Merge 5.10.84 into android12-5.10-lts
Changes in 5.10.84
NFSv42: Fix pagecache invalidation after COPY/CLONE
can: j1939: j1939_tp_cmd_recv(): check the dst address of TP.CM_BAM
ovl: simplify file splice
ovl: fix deadlock in splice write
gfs2: release iopen glock early in evict
gfs2: Fix length of holes reported at end-of-file
powerpc/pseries/ddw: Revert "Extend upper limit for huge DMA window for persistent memory"
drm/sun4i: fix unmet dependency on RESET_CONTROLLER for PHY_SUN6I_MIPI_DPHY
mac80211: do not access the IV when it was stripped
net/smc: Transfer remaining wait queue entries during fallback
atlantic: Fix OOB read and write in hw_atl_utils_fw_rpc_wait
net: return correct error code
platform/x86: thinkpad_acpi: Add support for dual fan control
platform/x86: thinkpad_acpi: Fix WWAN device disabled issue after S3 deep
s390/setup: avoid using memblock_enforce_memory_limit
btrfs: check-integrity: fix a warning on write caching disabled disk
thermal: core: Reset previous low and high trip during thermal zone init
scsi: iscsi: Unblock session then wake up error handler
drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again
drm/amd/amdgpu: fix potential memleak
ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile
ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()
ipv6: check return value of ipv6_skip_exthdr
net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound
net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock()
perf inject: Fix ARM SPE handling
perf hist: Fix memory leak of a perf_hpp_fmt
perf report: Fix memory leaks around perf_tip()
net/smc: Avoid warning of possible recursive locking
ACPI: Add stubs for wakeup handler functions
vrf: Reset IPCB/IP6CB when processing outbound pkts in vrf dev xmit
kprobes: Limit max data_size of the kretprobe instances
rt2x00: do not mark device gone on EPROTO errors during start
ipmi: Move remove_work to dedicated workqueue
cpufreq: Fix get_cpu_device() failure in add_cpu_dev_symlink()
s390/pci: move pseudo-MMIO to prevent MIO overlap
fget: check that the fd still exists after getting a ref to it
sata_fsl: fix UAF in sata_fsl_port_stop when rmmod sata_fsl
sata_fsl: fix warning in remove_proc_entry when rmmod sata_fsl
ipv6: fix memory leak in fib6_rule_suppress
drm/amd/display: Allow DSC on supported MST branch devices
KVM: Disallow user memslot with size that exceeds "unsigned long"
KVM: nVMX: Flush current VPID (L1 vs. L2) for KVM_REQ_TLB_FLUSH_GUEST
KVM: x86: Use a stable condition around all VT-d PI paths
KVM: arm64: Avoid setting the upper 32 bits of TCR_EL2 and CPTR_EL2 to 1
KVM: X86: Use vcpu->arch.walk_mmu for kvm_mmu_invlpg()
tracing/histograms: String compares should not care about signed values
wireguard: selftests: increase default dmesg log size
wireguard: allowedips: add missing __rcu annotation to satisfy sparse
wireguard: selftests: actually test for routing loops
wireguard: selftests: rename DEBUG_PI_LIST to DEBUG_PLIST
wireguard: device: reset peer src endpoint when netns exits
wireguard: receive: use ring buffer for incoming handshakes
wireguard: receive: drop handshakes if queue lock is contended
wireguard: ratelimiter: use kvcalloc() instead of kvzalloc()
i2c: stm32f7: flush TX FIFO upon transfer errors
i2c: stm32f7: recover the bus on access timeout
i2c: stm32f7: stop dma transfer in case of NACK
i2c: cbus-gpio: set atomic transfer callback
natsemi: xtensa: fix section mismatch warnings
tcp: fix page frag corruption on page fault
net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
net: mpls: Fix notifications when deleting a device
siphash: use _unaligned version by default
arm64: ftrace: add missing BTIs
net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()
selftests: net: Correct case name
mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode
ASoC: tegra: Fix wrong value type in ADMAIF
ASoC: tegra: Fix wrong value type in I2S
ASoC: tegra: Fix wrong value type in DMIC
ASoC: tegra: Fix wrong value type in DSPK
ASoC: tegra: Fix kcontrol put callback in ADMAIF
ASoC: tegra: Fix kcontrol put callback in I2S
ASoC: tegra: Fix kcontrol put callback in DMIC
ASoC: tegra: Fix kcontrol put callback in DSPK
ASoC: tegra: Fix kcontrol put callback in AHUB
rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()
rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()
ALSA: intel-dsp-config: add quirk for CML devices based on ES8336 codec
net: usb: lan78xx: lan78xx_phy_init(): use PHY_POLL instead of "0" if no IRQ is available
net: marvell: mvpp2: Fix the computation of shared CPUs
dpaa2-eth: destroy workqueue at the end of remove function
net: annotate data-races on txq->xmit_lock_owner
ipv4: convert fib_num_tclassid_users to atomic_t
net/smc: fix wrong list_del in smc_lgr_cleanup_early
net/rds: correct socket tunable error in rds_tcp_tune()
net/smc: Keep smc_close_final rc during active close
drm/msm/a6xx: Allocate enough space for GMU registers
drm/msm: Do hw_init() before capturing GPU state
atlantic: Increase delay for fw transactions
atlatnic: enable Nbase-t speeds with base-t
atlantic: Fix to display FW bundle version instead of FW mac version.
atlantic: Add missing DIDs and fix 115c.
Remove Half duplex mode speed capabilities.
atlantic: Fix statistics logic for production hardware
atlantic: Remove warn trace message.
KVM: x86/pmu: Fix reserved bits for AMD PerfEvtSeln register
KVM: VMX: Set failure code in prepare_vmcs02()
x86/sev: Fix SEV-ES INS/OUTS instructions for word, dword, and qword
x86/entry: Use the correct fence macro after swapgs in kernel CR3
x86/xen: Add xenpv_restore_regs_and_return_to_usermode()
sched/uclamp: Fix rq->uclamp_max not set on first enqueue
x86/pv: Switch SWAPGS to ALTERNATIVE
x86/entry: Add a fence for kernel entry SWAPGS in paranoid_entry()
parisc: Fix KBUILD_IMAGE for self-extracting kernel
parisc: Fix "make install" on newer debian releases
vgacon: Propagate console boot parameters before calling `vc_resize'
xhci: Fix commad ring abort, write all 64 bits to CRCR register.
USB: NO_LPM quirk Lenovo Powered USB-C Travel Hub
usb: typec: tcpm: Wait in SNK_DEBOUNCED until disconnect
x86/tsc: Add a timer to make sure TSC_adjust is always checked
x86/tsc: Disable clocksource watchdog for TSC on qualified platorms
x86/64/mm: Map all kernel memory into trampoline_pgd
tty: serial: msm_serial: Deactivate RX DMA for polling support
serial: pl011: Add ACPI SBSA UART match id
serial: tegra: Change lower tolerance baud rate limit for tegra20 and tegra30
serial: core: fix transmit-buffer reset and memleak
serial: 8250_pci: Fix ACCES entries in pci_serial_quirks array
serial: 8250_pci: rewrite pericom_do_set_divisor()
serial: 8250: Fix RTS modem control while in rs485 mode
iwlwifi: mvm: retry init flow if failed
parisc: Mark cr16 CPU clocksource unstable on all SMP machines
net/tls: Fix authentication failure in CCM mode
ipmi: msghandler: Make symbol 'remove_work_wq' static
Linux 5.10.84
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Iad592da28c6425dea7dca35b229d14c44edb412d
diff --git a/.gitignore b/.gitignore
index 67d2f35..372e57a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,7 @@
*.so.dbg
*.su
*.symtypes
+*.symversions
*.tab.[ch]
*.tar
*.xz
diff --git a/Documentation/ABI/stable/sysfs-module b/Documentation/ABI/stable/sysfs-module
index 6272ae5..46bcd2d 100644
--- a/Documentation/ABI/stable/sysfs-module
+++ b/Documentation/ABI/stable/sysfs-module
@@ -32,3 +32,21 @@
Note: If the module is built into the kernel, or if the
CONFIG_MODULE_UNLOAD kernel configuration value is not enabled,
this file will not be present.
+
+What: /sys/module/MODULENAME/scmversion
+Date: November 2020
+KernelVersion: Android Common Kernel -- android12-5.10+
+Contact: Will McVicker <willmcvicker@google.com>
+Description: This read-only file will appear if modpost was supplied with an
+ SCM version for the module. It can be enabled with the config
+ MODULE_SCMVERSION. The SCM version is retrieved by
+ scripts/setlocalversion, which means that the presence of this
+ file depends on CONFIG_LOCALVERSION_AUTO=y. When read, the SCM
+ version that the module was compiled with is returned. The SCM
+ version is returned in the following format::
+
+ ===
+ Git: g[a-f0-9]\+(-dirty)\?
+ Mercurial: hg[a-f0-9]\+(-dirty)\?
+ Subversion: svn[0-9]\+
+ ===
diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uac2 b/Documentation/ABI/testing/configfs-usb-gadget-uac2
index d4356c8..26fb8e9 100644
--- a/Documentation/ABI/testing/configfs-usb-gadget-uac2
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uac2
@@ -8,6 +8,8 @@
c_chmask capture channel mask
c_srate capture sampling rate
c_ssize capture sample size (bytes)
+ c_sync capture synchronization type (async/adaptive)
+ fb_max maximum extra bandwidth in async mode
p_chmask playback channel mask
p_srate playback sampling rate
p_ssize playback sample size (bytes)
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x
index 881f0cd..8e53a32 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x
@@ -371,6 +371,14 @@
Description: (Read) Print the content of the Device ID Register
(0xFC8). The value is taken directly from the HW.
+What: /sys/bus/coresight/devices/etm<N>/mgmt/trcdevarch
+Date: January 2021
+KernelVersion: 5.12
+Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
+Description: (Read) Print the content of the Device Architecture Register
+ (offset 0xFBC). The value is taken directly read
+ from the HW.
+
What: /sys/bus/coresight/devices/etm<N>/mgmt/trcdevtype
Date: April 2015
KernelVersion: 4.01
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe b/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe
new file mode 100644
index 0000000..ad3bbc6
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe
@@ -0,0 +1,14 @@
+What: /sys/bus/coresight/devices/trbe<cpu>/align
+Date: March 2021
+KernelVersion: 5.13
+Contact: Anshuman Khandual <anshuman.khandual@arm.com>
+Description: (Read) Shows the TRBE write pointer alignment. This value
+ is fetched from the TRBIDR register.
+
+What: /sys/bus/coresight/devices/trbe<cpu>/flag
+Date: March 2021
+KernelVersion: 5.13
+Contact: Anshuman Khandual <anshuman.khandual@arm.com>
+Description: (Read) Shows if TRBE updates in the memory are with access
+ and dirty flag updates as well. This value is fetched from
+ the TRBIDR register.
diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec
index b7794e0..40122d9 100644
--- a/Documentation/ABI/testing/sysfs-class-typec
+++ b/Documentation/ABI/testing/sysfs-class-typec
@@ -105,7 +105,25 @@
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
Revision number of the supported USB Power Delivery
- specification, or 0 when USB Power Delivery is not supported.
+ specification, or 0.0 when USB Power Delivery is not supported.
+
+ Example values:
+ - "2.0": USB Power Delivery Release 2.0
+ - "3.0": USB Power Delivery Release 3.0
+ - "3.1": USB Power Delivery Release 3.1
+
+What: /sys/class/typec/<port>-{partner|cable}/usb_power_delivery_revision
+Date: January 2021
+Contact: Benson Leung <bleung@chromium.org>
+Description:
+ Revision number of the supported USB Power Delivery
+ specification of the port partner or cable, or 0.0 when USB
+ Power Delivery is not supported.
+
+ Example values:
+ - "2.0": USB Power Delivery Release 2.0
+ - "3.0": USB Power Delivery Release 3.0
+ - "3.1": USB Power Delivery Release 3.1
What: /sys/class/typec/<port>/usb_typec_revision
Date: April 2017
@@ -139,6 +157,49 @@
Shows if the partner supports USB Power Delivery communication:
Valid values: yes, no
+What: /sys/class/typec/<port>-partner/number_of_alternate_modes
+Date: November 2020
+Contact: Prashant Malani <pmalani@chromium.org>
+Description:
+ Shows the number of alternate modes which are advertised by the partner
+ during Power Delivery discovery. This file remains hidden until a value
+ greater than or equal to 0 is set by Type C port driver.
+
+What: /sys/class/typec/<port>-partner/type
+Date: December 2020
+Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+Description: USB Power Delivery Specification defines a set of product types
+ for the partner devices. This file will show the product type of
+ the partner if it is known. Dual-role capable partners will have
+ both UFP and DFP product types defined, but only one that
+ matches the current role will be active at the time. If the
+ product type of the partner is not visible to the device driver,
+ this file will not exist.
+
+ When the partner product type is detected, or changed with role
+ swap, uvevent is also raised that contains PRODUCT_TYPE=<product
+ type> (for example PRODUCT_TYPE=hub).
+
+ Valid values:
+
+ UFP / device role
+ ====================== ==========================
+ undefined -
+ hub PDUSB Hub
+ peripheral PDUSB Peripheral
+ psd Power Bank
+ ama Alternate Mode Adapter
+ ====================== ==========================
+
+ DFP / host role
+ ====================== ==========================
+ undefined -
+ hub PDUSB Hub
+ host PDUSB Host
+ power_brick Power Brick
+ amc Alternate Mode Controller
+ ====================== ==========================
+
What: /sys/class/typec/<port>-partner>/identity/
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
@@ -151,31 +212,6 @@
directory exists, it will have an attribute file for every VDO
in Discover Identity command result.
-What: /sys/class/typec/<port>-partner/identity/id_header
-Date: April 2017
-Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
- ID Header VDO part of Discover Identity command result. The
- value will show 0 until Discover Identity command result becomes
- available. The value can be polled.
-
-What: /sys/class/typec/<port>-partner/identity/cert_stat
-Date: April 2017
-Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
- Cert Stat VDO part of Discover Identity command result. The
- value will show 0 until Discover Identity command result becomes
- available. The value can be polled.
-
-What: /sys/class/typec/<port>-partner/identity/product
-Date: April 2017
-Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
- Product VDO part of Discover Identity command result. The value
- will show 0 until Discover Identity command result becomes
- available. The value can be polled.
-
-
USB Type-C cable devices (eg. /sys/class/typec/port0-cable/)
Note: Electronically Marked Cables will have a device also for one cable plug
@@ -187,9 +223,21 @@
What: /sys/class/typec/<port>-cable/type
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
-Description:
- Shows if the cable is active.
- Valid values: active, passive
+Description: USB Power Delivery Specification defines a set of product types
+ for the cables. This file will show the product type of the
+ cable if it is known. If the product type of the cable is not
+ visible to the device driver, this file will not exist.
+
+ When the cable product type is detected, uvevent is also raised
+ with PRODUCT_TYPE showing the product type of the cable.
+
+ Valid values:
+
+ ====================== ==========================
+ undefined -
+ active Active Cable
+ passive Passive Cable
+ ====================== ==========================
What: /sys/class/typec/<port>-cable/plug_type
Date: April 2017
@@ -202,17 +250,37 @@
- type-c
- captive
-What: /sys/class/typec/<port>-cable/identity/
+What: /sys/class/typec/<port>-<plug>/number_of_alternate_modes
+Date: November 2020
+Contact: Prashant Malani <pmalani@chromium.org>
+Description:
+ Shows the number of alternate modes which are advertised by the plug
+ associated with a particular cable during Power Delivery discovery.
+ This file remains hidden until a value greater than or equal to 0
+ is set by Type C port driver.
+
+
+USB Type-C partner/cable Power Delivery Identity objects
+
+NOTE: The following attributes will be applicable to both
+partner (e.g /sys/class/typec/port0-partner/) and
+cable (e.g /sys/class/typec/port0-cable/) devices. Consequently, the example file
+paths below are prefixed with "/sys/class/typec/<port>-{partner|cable}/" to
+reflect this.
+
+What: /sys/class/typec/<port>-{partner|cable}/identity/
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
This directory appears only if the port device driver is capable
of showing the result of Discover Identity USB power delivery
command. That will not always be possible even when USB power
- delivery is supported. If the directory exists, it will have an
- attribute for every VDO returned by Discover Identity command.
+ delivery is supported, for example when USB power delivery
+ communication for the port is mostly handled in firmware. If the
+ directory exists, it will have an attribute file for every VDO
+ in Discover Identity command result.
-What: /sys/class/typec/<port>-cable/identity/id_header
+What: /sys/class/typec/<port>-{partner|cable}/identity/id_header
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
@@ -220,7 +288,7 @@
value will show 0 until Discover Identity command result becomes
available. The value can be polled.
-What: /sys/class/typec/<port>-cable/identity/cert_stat
+What: /sys/class/typec/<port>-{partner|cable}/identity/cert_stat
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
@@ -228,7 +296,7 @@
value will show 0 until Discover Identity command result becomes
available. The value can be polled.
-What: /sys/class/typec/<port>-cable/identity/product
+What: /sys/class/typec/<port>-{partner|cable}/identity/product
Date: April 2017
Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Description:
@@ -236,6 +304,30 @@
will show 0 until Discover Identity command result becomes
available. The value can be polled.
+What: /sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo1
+Date: October 2020
+Contact: Prashant Malani <pmalani@chromium.org>
+Description:
+ 1st Product Type VDO of Discover Identity command result.
+ The value will show 0 until Discover Identity command result becomes
+ available and a valid Product Type VDO is returned.
+
+What: /sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo2
+Date: October 2020
+Contact: Prashant Malani <pmalani@chromium.org>
+Description:
+ 2nd Product Type VDO of Discover Identity command result.
+ The value will show 0 until Discover Identity command result becomes
+ available and a valid Product Type VDO is returned.
+
+What: /sys/class/typec/<port>-{partner|cable}/identity/product_type_vdo3
+Date: October 2020
+Contact: Prashant Malani <pmalani@chromium.org>
+Description:
+ 3rd Product Type VDO of Discover Identity command result.
+ The value will show 0 until Discover Identity command result becomes
+ available and a valid Product Type VDO is returned.
+
USB Type-C port alternate mode devices.
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 1a04ca8..1a9b6ac 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -493,6 +493,15 @@
'identification' directory exposes the CPU ID registers for
identifying model and revision of the CPU.
+What: /sys/devices/system/cpu/aarch32_el0
+Date: November 2020
+Contact: Linux ARM Kernel Mailing list <linux-arm-kernel@lists.infradead.org>
+Description: Identifies the subset of CPUs in the system that can execute
+ AArch32 (32-bit ARM) applications. If present, the same format as
+ /sys/devices/system/cpu/{offline,online,possible,present} is used.
+ If absent, then all or none of the CPUs can execute AArch32
+ applications and execve() will behave accordingly.
+
What: /sys/devices/system/cpu/cpu#/cpu_capacity
Date: December 2016
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
@@ -639,3 +648,21 @@
This sysfs interface exposes the number of SPURR ticks
for cpuX when it was idle.
+
+What: /sys/devices/system/cpu/cpuX/mte_tcf_preferred
+Date: July 2021
+Contact: Linux ARM Kernel Mailing list <linux-arm-kernel@lists.infradead.org>
+Description: Preferred MTE tag checking mode
+
+ When a user program specifies more than one MTE tag checking
+ mode, this sysfs node is used to specify which mode should
+ be preferred when running on that CPU. Possible values:
+
+ ================ ==============================================
+ "sync" Prefer synchronous mode
+ "async" Prefer asynchronous mode
+ ================ ==============================================
+
+ Changes to this sysfs node may not take effect immediately.
+
+ See also: Documentation/arm64/memory-tagging-extension.rst
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index adc0d0e..f276b38 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -987,6 +987,132 @@
The file is read only.
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/monitor_enable
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the status of performance monitor enablement
+ and it can be used to start/stop the monitor. When the monitor
+ is stopped, the performance data collected is also cleared.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/monitor_chunk_size
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file tells the monitor to focus on requests transferring
+ data of specific chunk size (in Bytes). 0 means any chunk size.
+ It can only be changed when monitor is disabled.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_total_sectors
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows how many sectors (in 512 Bytes) have been
+ sent from device to host after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_total_busy
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows how long (in micro seconds) has been spent
+ sending data from device to host after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_nr_requests
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows how many read requests have been sent after
+ monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_max
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the maximum latency (in micro seconds) of
+ read requests after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_min
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the minimum latency (in micro seconds) of
+ read requests after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_avg
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the average latency (in micro seconds) of
+ read requests after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/read_req_latency_sum
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the total latency (in micro seconds) of
+ read requests sent after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_total_sectors
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows how many sectors (in 512 Bytes) have been sent
+ from host to device after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_total_busy
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows how long (in micro seconds) has been spent
+ sending data from host to device after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_nr_requests
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows how many write requests have been sent after
+ monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_max
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the maximum latency (in micro seconds) of write
+ requests after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_min
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the minimum latency (in micro seconds) of write
+ requests after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_avg
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the average latency (in micro seconds) of write
+ requests after monitor gets started.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/monitor/write_req_latency_sum
+Date: January 2021
+Contact: Can Guo <cang@codeaurora.org>
+Description: This file shows the total latency (in micro seconds) of write
+ requests after monitor gets started.
+
+ The file is read only.
+
What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/wb_presv_us_en
Date: June 2020
Contact: Asutosh Das <asutoshd@codeaurora.org>
@@ -1153,3 +1279,239 @@
0400h corresponds to 4GB.
The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/hpb_version
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the HPB specification version.
+ The full information about the descriptor could be found at UFS
+ HPB (Host Performance Booster) Extension specifications.
+ Example: version 1.2.3 = 0123h
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/device_descriptor/hpb_control
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows an indication of the HPB control mode.
+ 00h: Host control mode
+ 01h: Device control mode
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_region_size
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the bHPBRegionSize which can be calculated
+ as in the following (in bytes):
+ HPB Region size = 512B * 2^bHPBRegionSize
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_number_lu
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the maximum number of HPB LU supported by
+ the device.
+ 00h: HPB is not supported by the device.
+ 01h ~ 20h: Maximum number of HPB LU supported by the device
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_subregion_size
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the bHPBSubRegionSize, which can be
+ calculated as in the following (in bytes) and shall be a multiple of
+ logical block size:
+ HPB Sub-Region size = 512B x 2^bHPBSubRegionSize
+ bHPBSubRegionSize shall not exceed bHPBRegionSize.
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/geometry_descriptor/hpb_max_active_regions
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the maximum number of active HPB regions that
+ is supported by the device.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/unit_descriptor/hpb_lu_max_active_regions
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the maximum number of HPB regions assigned to
+ the HPB logical unit.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/unit_descriptor/hpb_pinned_region_start_offset
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the start offset of HPB pinned region.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/unit_descriptor/hpb_number_pinned_regions
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the number of HPB pinned regions assigned to
+ the HPB logical unit.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_stats/hit_cnt
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the number of reads that changed to HPB read.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_stats/miss_cnt
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the number of reads that cannot be changed to
+ HPB read.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_stats/rb_noti_cnt
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the number of response UPIUs that has
+ recommendations for activating sub-regions and/or inactivating region.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_stats/rb_active_cnt
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the number of active sub-regions recommended by
+ response UPIUs.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_stats/rb_inactive_cnt
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the number of inactive regions recommended by
+ response UPIUs.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_stats/map_req_cnt
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the number of read buffer commands for
+ activating sub-regions recommended by response UPIUs.
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_params/requeue_timeout_ms
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the requeue timeout threshold for write buffer
+ command in ms. This value can be changed by writing proper integer to
+ this entry.
+
+What: /sys/bus/platform/drivers/ufshcd/*/attributes/max_data_size_hpb_single_cmd
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the maximum HPB data size for using single HPB
+ command.
+
+ === ========
+ 00h 4KB
+ 01h 8KB
+ 02h 12KB
+ ...
+ FFh 1024KB
+ === ========
+
+ The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/flags/hpb_enable
+Date: June 2021
+Contact: Daejun Park <daejun7.park@samsung.com>
+Description: This entry shows the status of HPB.
+
+ == ============================
+ 0 HPB is not enabled.
+ 1 HPB is enabled
+ == ============================
+
+ The file is read only.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/activation_thld
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: In host control mode, reads are the major source of activation
+ trials. once this threshold hs met, the region is added to the
+ "to-be-activated" list. Since we reset the read counter upon
+ write, this include sending a rb command updating the region
+ ppn as well.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/normalization_factor
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: In host control mode, We think of the regions as "buckets".
+ Those buckets are being filled with reads, and emptied on write.
+ We use entries_per_srgn - the amount of blocks in a subregion as
+ our bucket size. This applies because HPB1.0 only concern a
+ single-block reads. Once the bucket size is crossed, we trigger
+ a normalization work - not only to avoid overflow, but mainly
+ because we want to keep those counters normalized, as we are
+ using those reads as a comparative score, to make various decisions.
+ The normalization is dividing (shift right) the read counter by
+ the normalization_factor. If during consecutive normalizations
+ an active region has exhaust its reads - inactivate it.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/eviction_thld_enter
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: Region deactivation is often due to the fact that eviction took
+ place: a region become active on the expense of another. This is
+ happening when the max-active-regions limit has crossed.
+ In host mode, eviction is considered an extreme measure. We
+ want to verify that the entering region has enough reads, and
+ the exiting region has much less reads. eviction_thld_enter is
+ the min reads that a region must have in order to be considered
+ as a candidate to evict other region.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/eviction_thld_exit
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: same as above for the exiting region. A region is consider to
+ be a candidate to be evicted, only if it has less reads than
+ eviction_thld_exit.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/read_timeout_ms
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: In order not to hang on to “cold” regions, we shall inactivate
+ a region that has no READ access for a predefined amount of
+ time - read_timeout_ms. If read_timeout_ms has expired, and the
+ region is dirty - it is less likely that we can make any use of
+ HPB-READing it. So we inactivate it. Still, deactivation has
+ its overhead, and we may still benefit from HPB-READing this
+ region if it is clean - see read_timeout_expiries.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/read_timeout_expiries
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: if the region read timeout has expired, but the region is clean,
+ just re-wind its timer for another spin. Do that as long as it
+ is clean and did not exhaust its read_timeout_expiries threshold.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/timeout_polling_interval_ms
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: the frequency in which the delayed worker that checks the
+ read_timeouts is awaken.
+
+What: /sys/class/scsi_device/*/device/hpb_param_sysfs/inflight_map_req
+Date: February 2021
+Contact: Avri Altman <avri.altman@wdc.com>
+Description: in host control mode the host is the originator of map requests.
+ To not flood the device with map requests, use a simple throttling
+ mechanism that limits the number of inflight map requests.
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 67b3ed8..3d1f853 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -203,7 +203,34 @@
What: /sys/fs/f2fs/<disk>/features
Date: July 2017
Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
-Description: Shows all enabled features in current device.
+Description: <deprecated: should use /sys/fs/f2fs/<disk>/feature_list/
+ Shows all enabled features in current device.
+ Supported features:
+ encryption, blkzoned, extra_attr, projquota, inode_checksum,
+ flexible_inline_xattr, quota_ino, inode_crtime, lost_found,
+ verity, sb_checksum, casefold, readonly, compression, pin_file.
+
+What: /sys/fs/f2fs/<disk>/feature_list/
+Date: June 2021
+Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description: Expand /sys/fs/f2fs/<disk>/features to meet sysfs rule.
+ Supported on-disk features:
+ encryption, block_zoned (aka blkzoned), extra_attr,
+ project_quota (aka projquota), inode_checksum,
+ flexible_inline_xattr, quota_ino, inode_crtime, lost_found,
+ verity, sb_checksum, casefold, readonly, compression.
+ Note that, pin_file is moved into /sys/fs/f2fs/features/.
+
+What: /sys/fs/f2fs/features/
+Date: July 2017
+Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description: Shows all enabled kernel features.
+ Supported features:
+ encryption, block_zoned, extra_attr, project_quota,
+ inode_checksum, flexible_inline_xattr, quota_ino,
+ inode_crtime, lost_found, verity, sb_checksum,
+ casefold, readonly, compression, test_dummy_encryption_v2,
+ atomic_write, pin_file, encrypted_casefold.
What: /sys/fs/f2fs/<disk>/inject_rate
Date: May 2016
@@ -276,7 +303,7 @@
Contact: "Daniel Rosenberg" <drosen@google.com>
Description: If checkpoint=disable, it displays the number of blocks that
are unusable.
- If checkpoint=enable it displays the enumber of blocks that
+ If checkpoint=enable it displays the number of blocks that
would be unusable if checkpoint=disable were to be set.
What: /sys/fs/f2fs/<disk>/encoding
@@ -370,3 +397,113 @@
Contact: "Daeho Jeong" <daehojeong@google.com>
Description: Give a way to change iostat_period time. 3secs by default.
The new iostat trace gives stats gap given the period.
+What: /sys/fs/f2fs/<disk>/max_io_bytes
+Date: December 2020
+Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description: This gives a control to limit the bio size in f2fs.
+ Default is zero, which will follow underlying block layer limit,
+ whereas, if it has a certain bytes value, f2fs won't submit a
+ bio larger than that size.
+
+What: /sys/fs/f2fs/<disk>/stat/sb_status
+Date: December 2020
+Contact: "Chao Yu" <yuchao0@huawei.com>
+Description: Show status of f2fs superblock in real time.
+
+ ====== ===================== =================================
+ value sb status macro description
+ 0x1 SBI_IS_DIRTY dirty flag for checkpoint
+ 0x2 SBI_IS_CLOSE specify unmounting
+ 0x4 SBI_NEED_FSCK need fsck.f2fs to fix
+ 0x8 SBI_POR_DOING recovery is doing or not
+ 0x10 SBI_NEED_SB_WRITE need to recover superblock
+ 0x20 SBI_NEED_CP need to checkpoint
+ 0x40 SBI_IS_SHUTDOWN shutdown by ioctl
+ 0x80 SBI_IS_RECOVERED recovered orphan/data
+ 0x100 SBI_CP_DISABLED CP was disabled last mount
+ 0x200 SBI_CP_DISABLED_QUICK CP was disabled quickly
+ 0x400 SBI_QUOTA_NEED_FLUSH need to flush quota info in CP
+ 0x800 SBI_QUOTA_SKIP_FLUSH skip flushing quota in current CP
+ 0x1000 SBI_QUOTA_NEED_REPAIR quota file may be corrupted
+ 0x2000 SBI_IS_RESIZEFS resizefs is in process
+ ====== ===================== =================================
+
+What: /sys/fs/f2fs/<disk>/ckpt_thread_ioprio
+Date: January 2021
+Contact: "Daeho Jeong" <daehojeong@google.com>
+Description: Give a way to change checkpoint merge daemon's io priority.
+ Its default value is "be,3", which means "BE" I/O class and
+ I/O priority "3". We can select the class between "rt" and "be",
+ and set the I/O priority within valid range of it. "," delimiter
+ is necessary in between I/O class and priority number.
+
+What: /sys/fs/f2fs/<disk>/ovp_segments
+Date: March 2021
+Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description: Shows the number of overprovision segments.
+
+What: /sys/fs/f2fs/<disk>/compr_written_block
+Date: March 2021
+Contact: "Daeho Jeong" <daehojeong@google.com>
+Description: Show the block count written after compression since mount. Note
+ that when the compressed blocks are deleted, this count doesn't
+ decrease. If you write "0" here, you can initialize
+ compr_written_block and compr_saved_block to "0".
+
+What: /sys/fs/f2fs/<disk>/compr_saved_block
+Date: March 2021
+Contact: "Daeho Jeong" <daehojeong@google.com>
+Description: Show the saved block count with compression since mount. Note
+ that when the compressed blocks are deleted, this count doesn't
+ decrease. If you write "0" here, you can initialize
+ compr_written_block and compr_saved_block to "0".
+
+What: /sys/fs/f2fs/<disk>/compr_new_inode
+Date: March 2021
+Contact: "Daeho Jeong" <daehojeong@google.com>
+Description: Show the count of inode newly enabled for compression since mount.
+ Note that when the compression is disabled for the files, this count
+ doesn't decrease. If you write "0" here, you can initialize
+ compr_new_inode to "0".
+
+What: /sys/fs/f2fs/<disk>/atgc_candidate_ratio
+Date: May 2021
+Contact: "Chao Yu" <yuchao0@huawei.com>
+Description: When ATGC is on, it controls candidate ratio in order to limit total
+ number of potential victim in all candidates, the value should be in
+ range of [0, 100], by default it was initialized as 20(%).
+
+What: /sys/fs/f2fs/<disk>/atgc_candidate_count
+Date: May 2021
+Contact: "Chao Yu" <yuchao0@huawei.com>
+Description: When ATGC is on, it controls candidate count in order to limit total
+ number of potential victim in all candidates, by default it was
+ initialized as 10 (sections).
+
+What: /sys/fs/f2fs/<disk>/atgc_age_weight
+Date: May 2021
+Contact: "Chao Yu" <yuchao0@huawei.com>
+Description: When ATGC is on, it controls age weight to balance weight proportion
+ in between aging and valid blocks, the value should be in range of
+ [0, 100], by default it was initialized as 60(%).
+
+What: /sys/fs/f2fs/<disk>/atgc_age_threshold
+Date: May 2021
+Contact: "Chao Yu" <yuchao0@huawei.com>
+Description: When ATGC is on, it controls age threshold to bypass GCing young
+ candidates whose age is not beyond the threshold, by default it was
+ initialized as 604800 seconds (equals to 7 days).
+
+What: /sys/fs/f2fs/<disk>/gc_reclaimed_segments
+Date: July 2021
+Contact: "Daeho Jeong" <daehojeong@google.com>
+Description: Show how many segments have been reclaimed by GC during a specific
+ GC mode (0: GC normal, 1: GC idle CB, 2: GC idle greedy,
+ 3: GC idle AT, 4: GC urgent high, 5: GC urgent low)
+ You can re-initialize this value to "0".
+
+What: /sys/fs/f2fs/<disk>/gc_segment_mode
+Date: July 2021
+Contact: "Daeho Jeong" <daehojeong@google.com>
+Description: You can control for which gc mode the "gc_reclaimed_segments" node shows.
+ Refer to the description of the modes in "gc_reclaimed_segments".
diff --git a/Documentation/ABI/testing/sysfs-fs-incfs b/Documentation/ABI/testing/sysfs-fs-incfs
new file mode 100644
index 0000000..690c687
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-fs-incfs
@@ -0,0 +1,64 @@
+What: /sys/fs/incremental-fs/features/corefs
+Date: 2019
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Reads 'supported'. Always present.
+
+What: /sys/fs/incremental-fs/features/v2
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Reads 'supported'. Present if all v2 features of incfs are
+ supported.
+
+What: /sys/fs/incremental-fs/features/zstd
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Reads 'supported'. Present if zstd compression is supported
+ for data blocks.
+
+What: /sys/fs/incremental-fs/instances/[name]
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Folder created when incfs is mounted with the sysfs_name=[name]
+ option. If this option is used, the following values are created
+ in this folder.
+
+What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_min
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Returns a count of the number of reads that were delayed as a
+ result of the per UID read timeouts min time setting.
+
+What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_min_us
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Returns total delay time for all files since first mount as a
+ result of the per UID read timeouts min time setting.
+
+What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_pending
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Returns a count of the number of reads that were delayed as a
+ result of waiting for a pending read.
+
+What: /sys/fs/incremental-fs/instances/[name]/reads_delayed_pending_us
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Returns total delay time for all files since first mount as a
+ result of waiting for a pending read.
+
+What: /sys/fs/incremental-fs/instances/[name]/reads_failed_hash_verification
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Returns number of reads that failed because of hash verification
+ failures.
+
+What: /sys/fs/incremental-fs/instances/[name]/reads_failed_other
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Returns number of reads that failed for reasons other than
+ timing out or hash failures.
+
+What: /sys/fs/incremental-fs/instances/[name]/reads_failed_timed_out
+Date: April 2021
+Contact: Paul Lawrence <paullawrence@google.com>
+Description: Returns number of reads that timed out.
diff --git a/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers b/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers
new file mode 100644
index 0000000..122185c
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-dmabuf-buffers
@@ -0,0 +1,24 @@
+What: /sys/kernel/dmabuf/buffers
+Date: January 2021
+KernelVersion: v5.12
+Contact: Hridya Valsaraju <hridya@google.com>
+Description: The /sys/kernel/dmabuf/buffers directory contains a
+ snapshot of the internal state of every DMA-BUF.
+ /sys/kernel/dmabuf/buffers/<inode_number> will contain the
+ statistics for the DMA-BUF with the unique inode number
+ <inode_number>
+Users: kernel memory tuning/debugging tools
+
+What: /sys/kernel/dmabuf/buffers/<inode_number>/exporter_name
+Date: January 2021
+KernelVersion: v5.12
+Contact: Hridya Valsaraju <hridya@google.com>
+Description: This file is read-only and contains the name of the exporter of
+ the DMA-BUF.
+
+What: /sys/kernel/dmabuf/buffers/<inode_number>/size
+Date: January 2021
+KernelVersion: v5.12
+Contact: Hridya Valsaraju <hridya@google.com>
+Description: This file is read-only and specifies the size of the DMA-BUF in
+ bytes.
diff --git a/Documentation/ABI/testing/sysfs-kernel-dmaheap b/Documentation/ABI/testing/sysfs-kernel-dmaheap
new file mode 100644
index 0000000..f496181
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-dmaheap
@@ -0,0 +1,7 @@
+What: /sys/kernel/dma_heap/total_pools_kb
+Date: Feb 2021
+KernelVersion: 5.10
+Contact: Hridya Valsaraju <hridya@google.com>,
+Description:
+ The total_pools_kb file is read-only and specifies how much
+ memory in Kb is allocated to DMA-BUF heap pools.
diff --git a/Documentation/ABI/testing/sysfs-kernel-ion b/Documentation/ABI/testing/sysfs-kernel-ion
new file mode 100644
index 0000000..f57f970
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-ion
@@ -0,0 +1,27 @@
+What: /sys/kernel/ion
+Date: Dec 2019
+KernelVersion: 4.14.158
+Contact: Suren Baghdasaryan <surenb@google.com>,
+ Sandeep Patil <sspatil@google.com>
+Description:
+ The /sys/kernel/ion directory contains a snapshot of the
+ internal state of ION memory heaps and pools.
+Users: kernel memory tuning tools
+
+What: /sys/kernel/ion/total_heaps_kb
+Date: Dec 2019
+KernelVersion: 4.14.158
+Contact: Suren Baghdasaryan <surenb@google.com>,
+ Sandeep Patil <sspatil@google.com>
+Description:
+ The total_heaps_kb file is read-only and specifies how much
+ memory in Kb is allocated to ION heaps.
+
+What: /sys/kernel/ion/total_pools_kb
+Date: Dec 2019
+KernelVersion: 4.14.158
+Contact: Suren Baghdasaryan <surenb@google.com>,
+ Sandeep Patil <sspatil@google.com>
+Description:
+ The total_pools_kb file is read-only and specifies how much
+ memory in Kb is allocated to ION pools.
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-cma b/Documentation/ABI/testing/sysfs-kernel-mm-cma
new file mode 100644
index 0000000..02b2bb6
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-cma
@@ -0,0 +1,25 @@
+What: /sys/kernel/mm/cma/
+Date: Feb 2021
+Contact: Minchan Kim <minchan@kernel.org>
+Description:
+ /sys/kernel/mm/cma/ contains a subdirectory for each CMA
+ heap name (also sometimes called CMA areas).
+
+ Each CMA heap subdirectory (that is, each
+ /sys/kernel/mm/cma/<cma-heap-name> directory) contains the
+ following items:
+
+ alloc_pages_success
+ alloc_pages_fail
+
+What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_success
+Date: Feb 2021
+Contact: Minchan Kim <minchan@kernel.org>
+Description:
+ the number of pages CMA API succeeded to allocate
+
+What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_fail
+Date: Feb 2021
+Contact: Minchan Kim <minchan@kernel.org>
+Description:
+ the number of pages CMA API failed to allocate
diff --git a/Documentation/ABI/testing/sysfs-kernel-wakeup_reasons b/Documentation/ABI/testing/sysfs-kernel-wakeup_reasons
new file mode 100644
index 0000000..acb19b9
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-wakeup_reasons
@@ -0,0 +1,16 @@
+What: /sys/kernel/wakeup_reasons/last_resume_reason
+Date: February 2014
+Contact: Ruchi Kandoi <kandoiruchi@google.com>
+Description:
+ The /sys/kernel/wakeup_reasons/last_resume_reason is
+ used to report wakeup reasons after system exited suspend.
+
+What: /sys/kernel/wakeup_reasons/last_suspend_time
+Date: March 2015
+Contact: jinqian <jinqian@google.com>
+Description:
+ The /sys/kernel/wakeup_reasons/last_suspend_time is
+ used to report time spent in last suspend cycle. It contains
+ two numbers (in seconds) separated by space. First number is
+ the time spent in suspend and resume processes. Second number
+ is the time spent in sleep state.
\ No newline at end of file
diff --git a/Documentation/admin-guide/blockdev/zram.rst b/Documentation/admin-guide/blockdev/zram.rst
index a6fd1f9..8f3cfa4 100644
--- a/Documentation/admin-guide/blockdev/zram.rst
+++ b/Documentation/admin-guide/blockdev/zram.rst
@@ -334,6 +334,11 @@
With the command, zram writeback idle pages from memory to the storage.
+If admin want to write a specific page in zram device to backing device,
+they could write a page index into the interface.
+
+ echo "page_index=1251" > /sys/block/zramX/writeback
+
If there are lots of write IO with flash device, potentially, it has
flash wearout problem so that admin needs to design write limitation
to guarantee storage health for entire product life.
diff --git a/Documentation/admin-guide/bootconfig.rst b/Documentation/admin-guide/bootconfig.rst
index 9b90efc..2400b1e 100644
--- a/Documentation/admin-guide/bootconfig.rst
+++ b/Documentation/admin-guide/bootconfig.rst
@@ -89,13 +89,35 @@
In this case, the key ``foo`` has ``bar``, ``baz`` and ``qux``.
-However, a sub-key and a value can not co-exist under a parent key.
-For example, following config is NOT allowed.::
+Moreover, sub-keys and a value can coexist under a parent key.
+For example, following config is allowed.::
foo = value1
- foo.bar = value2 # !ERROR! subkey "bar" and value "value1" can NOT co-exist
- foo.bar := value2 # !ERROR! even with the override operator, this is NOT allowed.
+ foo.bar = value2
+ foo := value3 # This will update foo's value.
+Note, since there is no syntax to put a raw value directly under a
+structured key, you have to define it outside of the brace. For example::
+
+ foo {
+ bar = value1
+ bar {
+ baz = value2
+ qux = value3
+ }
+ }
+
+Also, the order of the value node under a key is fixed. If there
+are a value and subkeys, the value is always the first child node
+of the key. Thus if user specifies subkeys first, e.g.::
+
+ foo.bar = value1
+ foo = value2
+
+In the program (and /proc/bootconfig), it will be shown as below::
+
+ foo = value2
+ foo.bar = value1
Comments
--------
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 608d7c2..540ee6d 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -54,6 +54,7 @@
5-3-3. IO Latency
5-3-3-1. How IO Latency Throttling Works
5-3-3-2. IO Latency Interface Files
+ 5-3-4. IO Priority
5-4. PID
5-4-1. PID Interface Files
5-5. Cpuset
@@ -1848,6 +1849,60 @@
duration of time between evaluation events. Windows only elapse
with IO activity. Idle periods extend the most recent window.
+IO Priority
+~~~~~~~~~~~
+
+A single attribute controls the behavior of the I/O priority cgroup policy,
+namely the blkio.prio.class attribute. The following values are accepted for
+that attribute:
+
+ no-change
+ Do not modify the I/O priority class.
+
+ none-to-rt
+ For requests that do not have an I/O priority class (NONE),
+ change the I/O priority class into RT. Do not modify
+ the I/O priority class of other requests.
+
+ restrict-to-be
+ For requests that do not have an I/O priority class or that have I/O
+ priority class RT, change it into BE. Do not modify the I/O priority
+ class of requests that have priority class IDLE.
+
+ idle
+ Change the I/O priority class of all requests into IDLE, the lowest
+ I/O priority class.
+
+The following numerical values are associated with the I/O priority policies:
+
++-------------+---+
+| no-change | 0 |
++-------------+---+
+| none-to-rt | 1 |
++-------------+---+
+| rt-to-be | 2 |
++-------------+---+
+| all-to-idle | 3 |
++-------------+---+
+
+The numerical value that corresponds to each I/O priority class is as follows:
+
++-------------------------------+---+
+| IOPRIO_CLASS_NONE | 0 |
++-------------------------------+---+
+| IOPRIO_CLASS_RT (real-time) | 1 |
++-------------------------------+---+
+| IOPRIO_CLASS_BE (best effort) | 2 |
++-------------------------------+---+
+| IOPRIO_CLASS_IDLE | 3 |
++-------------------------------+---+
+
+The algorithm to set the I/O priority class for a request is as follows:
+
+- Translate the I/O priority class policy into a number.
+- Change the request I/O priority class into the maximum of the I/O priority
+ class policy number and the numerical I/O priority class.
+
PID
---
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 516499f..fadb6b3 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -289,6 +289,20 @@
do not want to use tracing_snapshot_alloc() as it needs
to be done where GFP_KERNEL allocations are allowed.
+ allow_file_spec_access
+ Allow speculative faults on file backed pages.
+ Speculative faults are enabled only for those vm_ops
+ that implement and return true for allow_speculation
+ callback.
+
+ allow_mismatched_32bit_el0 [ARM64]
+ Allow execve() of 32-bit applications and setting of the
+ PER_LINUX32 personality on systems where only a strict
+ subset of the CPUs support 32-bit EL0. When this
+ parameter is present, the set of CPUs supporting 32-bit
+ EL0 is indicated by /sys/devices/system/cpu/aarch32_el0
+ and hot-unplug operations may be restricted.
+
amd_iommu= [HW,X86-64]
Pass parameters to the AMD IOMMU driver in the system.
Possible values are:
@@ -373,6 +387,15 @@
arcrimi= [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards
Format: <io>,<irq>,<nodeID>
+ arm64.nobti [ARM64] Unconditionally disable Branch Target
+ Identification support
+
+ arm64.nopauth [ARM64] Unconditionally disable Pointer Authentication
+ support
+
+ arm64.nomte [ARM64] Unconditionally disable Memory Tagging Extension
+ support
+
ataflop= [HW,M68k]
atarimouse= [HW,MOUSE] Atari Mouse
@@ -493,16 +516,21 @@
ccw_timeout_log [S390]
See Documentation/s390/common_io.rst for details.
- cgroup_disable= [KNL] Disable a particular controller
- Format: {name of the controller(s) to disable}
+ cgroup_disable= [KNL] Disable a particular controller or optional feature
+ Format: {name of the controller(s) or feature(s) to disable}
The effects of cgroup_disable=foo are:
- foo isn't auto-mounted if you mount all cgroups in
a single hierarchy
- foo isn't visible as an individually mountable
subsystem
+ - if foo is an optional feature then the feature is
+ disabled and corresponding cgroup files are not
+ created
{Currently only "memory" controller deal with this and
cut the overhead, others just disable the usage. So
only cgroup_disable=memory is actually worthy}
+ Specifying "pressure" disables per-cgroup pressure
+ stall information accounting feature
cgroup_no_v1= [KNL] Disable cgroup controllers and named hierarchies in v1
Format: { { controller | "all" | "named" }
@@ -1439,6 +1467,11 @@
to enforce probe and suspend/resume ordering.
rpm -- Like "on", but also use to order runtime PM.
+ fw_devlink.strict=<bool>
+ [KNL] Treat all inferred dependencies as mandatory
+ dependencies. This only applies for fw_devlink=on|rpm.
+ Format: <bool>
+
gamecon.map[2|3]=
[HW,JOY] Multisystem joystick and NES/SNES/PSX pad
support via parallel port (up to 5 devices per port)
@@ -1573,6 +1606,10 @@
If specified, z/VM IUCV HVC accepts connections
from listed z/VM user IDs only.
+ hvc_dcc.enable= [ARM,ARM64] Enable DCC driver at runtime. For GKI,
+ disabled at runtime by default to prevent
+ crashes in devices which do not support DCC.
+
hv_nopvspin [X86,HYPER_V] Disables the paravirt spinlock optimizations
which allow the hypervisor to 'idle' the
guest on lock contention.
@@ -2265,6 +2302,19 @@
for all guests.
Default is 1 (enabled) if in 64-bit or 32-bit PAE mode.
+ kvm-arm.mode=
+ [KVM,ARM] Select one of KVM/arm64's modes of operation.
+
+ nvhe: Standard nVHE-based mode, without support for
+ protected guests.
+
+ protected: nVHE-based mode with support for guests whose
+ state is kept private from the host.
+ Not valid if the kernel is running in EL2.
+
+ Defaults to VHE/nVHE based on hardware support and
+ the value of CONFIG_ARM64_VHE.
+
kvm-arm.vgic_v3_group0_trap=
[KVM,ARM] Trap guest accesses to GICv3 group-0
system registers
@@ -2946,6 +2996,26 @@
firmware feature for updating multiple TCE entries
at a time.
+ kswapd_per_node=
+ kswapd_per_node allows you to control the number of kswapd threads
+ running on the system. This provides the ability to devote additional
+ CPU resources toward proactive page replacement with the goal of
+ reducing direct reclaims. When direct reclaims are prevented, the CPU
+ consumed by them is prevented as well. Depending on the workload, the
+ result can cause aggregate CPU usage on the system to go up, down or
+ stay the same.
+
+ More aggressive page replacement can reduce direct reclaims which
+ cause latency for tasks and decrease throughput when doing filesystem
+ IO through the pagecache. Direct reclaims are recorded using the
+ allocstall counter in /proc/vmstat.
+
+ The range of acceptible values are 1-16. Always start with lower
+ values in the 2-6 range. Higher values should be justified with
+ testing. If direct reclaims occur in spite of high values, the cost
+ of direct reclaims (in latency) that occur can be higher due to
+ increased lock contention.
+
onenand.bdry= [HW,MTD] Flex-OneNAND Boundary Configuration
Format: [die0_boundary][,die0_lock][,die1_boundary][,die1_lock]
@@ -3282,6 +3352,21 @@
in certain environments such as networked servers or
real-time systems.
+ no_hash_pointers
+ Force pointers printed to the console or buffers to be
+ unhashed. By default, when a pointer is printed via %p
+ format string, that pointer is "hashed", i.e. obscured
+ by hashing the pointer value. This is a security feature
+ that hides actual kernel addresses from unprivileged
+ users, but it also makes debugging the kernel more
+ difficult since unequal pointers can no longer be
+ compared. However, if this command-line option is
+ specified, then all normal pointers will have their true
+ value printed. Pointers printed via %pK may still be
+ hashed. This option should only be specified when
+ debugging the kernel. Please do not use on production
+ kernels.
+
nohibernate [HIBERNATION] Disable hibernation and resume.
nohz= [KNL] Boottime enable/disable dynamic ticks
@@ -3530,6 +3615,12 @@
panic_on_warn panic() instead of WARN(). Useful to cause kdump
on a WARN().
+ pelt= [KNL] Boot-time parameter changing the PELT half life in ms
+ Format: <int>
+ 32: Set the half life to 32ms
+ 8: Set the half life to 8ms
+ default: 32
+
crash_kexec_post_notifiers
Run kdump after running panic-notifiers and dumping
kmsg. This only for the users who doubt kdump always
@@ -5139,6 +5230,12 @@
growing up) the main stack are reserved for no other
mapping. Default value is 256 pages.
+ stack_depot_disable= [KNL]
+ Setting this to true through kernel command line will
+ disable the stack depot thereby saving the static memory
+ consumed by the stack hash table. By default this is set
+ to false.
+
stacktrace [FTRACE]
Enabled the stack tracer on boot up.
diff --git a/Documentation/admin-guide/mm/userfaultfd.rst b/Documentation/admin-guide/mm/userfaultfd.rst
index 1dc2d5f..65280360 100644
--- a/Documentation/admin-guide/mm/userfaultfd.rst
+++ b/Documentation/admin-guide/mm/userfaultfd.rst
@@ -63,36 +63,37 @@
The ``uffdio_api.features`` bitmask returned by the ``UFFDIO_API`` ioctl
defines what memory types are supported by the ``userfaultfd`` and what
-events, except page fault notifications, may be generated.
+events, except page fault notifications, may be generated:
-If the kernel supports registering ``userfaultfd`` ranges on hugetlbfs
-virtual memory areas, ``UFFD_FEATURE_MISSING_HUGETLBFS`` will be set in
-``uffdio_api.features``. Similarly, ``UFFD_FEATURE_MISSING_SHMEM`` will be
-set if the kernel supports registering ``userfaultfd`` ranges on shared
-memory (covering all shmem APIs, i.e. tmpfs, ``IPCSHM``, ``/dev/zero``,
-``MAP_SHARED``, ``memfd_create``, etc).
+- The ``UFFD_FEATURE_EVENT_*`` flags indicate that various other events
+ other than page faults are supported. These events are described in more
+ detail below in the `Non-cooperative userfaultfd`_ section.
-The userland application that wants to use ``userfaultfd`` with hugetlbfs
-or shared memory need to set the corresponding flag in
-``uffdio_api.features`` to enable those features.
+- ``UFFD_FEATURE_MISSING_HUGETLBFS`` and ``UFFD_FEATURE_MISSING_SHMEM``
+ indicate that the kernel supports ``UFFDIO_REGISTER_MODE_MISSING``
+ registrations for hugetlbfs and shared memory (covering all shmem APIs,
+ i.e. tmpfs, ``IPCSHM``, ``/dev/zero``, ``MAP_SHARED``, ``memfd_create``,
+ etc) virtual memory areas, respectively.
-If the userland desires to receive notifications for events other than
-page faults, it has to verify that ``uffdio_api.features`` has appropriate
-``UFFD_FEATURE_EVENT_*`` bits set. These events are described in more
-detail below in `Non-cooperative userfaultfd`_ section.
+- ``UFFD_FEATURE_MINOR_HUGETLBFS`` indicates that the kernel supports
+ ``UFFDIO_REGISTER_MODE_MINOR`` registration for hugetlbfs virtual memory
+ areas. ``UFFD_FEATURE_MINOR_SHMEM`` is the analogous feature indicating
+ support for shmem virtual memory areas.
-Once the ``userfaultfd`` has been enabled the ``UFFDIO_REGISTER`` ioctl should
-be invoked (if present in the returned ``uffdio_api.ioctls`` bitmask) to
-register a memory range in the ``userfaultfd`` by setting the
+The userland application should set the feature flags it intends to use
+when invoking the ``UFFDIO_API`` ioctl, to request that those features be
+enabled if supported.
+
+Once the ``userfaultfd`` API has been enabled the ``UFFDIO_REGISTER``
+ioctl should be invoked (if present in the returned ``uffdio_api.ioctls``
+bitmask) to register a memory range in the ``userfaultfd`` by setting the
uffdio_register structure accordingly. The ``uffdio_register.mode``
bitmask will specify to the kernel which kind of faults to track for
-the range (``UFFDIO_REGISTER_MODE_MISSING`` would track missing
-pages). The ``UFFDIO_REGISTER`` ioctl will return the
+the range. The ``UFFDIO_REGISTER`` ioctl will return the
``uffdio_register.ioctls`` bitmask of ioctls that are suitable to resolve
userfaults on the range registered. Not all ioctls will necessarily be
-supported for all memory types depending on the underlying virtual
-memory backend (anonymous memory vs tmpfs vs real filebacked
-mappings).
+supported for all memory types (e.g. anonymous memory vs. shmem vs.
+hugetlbfs), or all types of intercepted faults.
Userland can use the ``uffdio_register.ioctls`` to manage the virtual
address space in the background (to add or potentially also remove
@@ -100,21 +101,46 @@
could be triggering just before userland maps in the background the
user-faulted page.
-The primary ioctl to resolve userfaults is ``UFFDIO_COPY``. That
-atomically copies a page into the userfault registered range and wakes
-up the blocked userfaults
-(unless ``uffdio_copy.mode & UFFDIO_COPY_MODE_DONTWAKE`` is set).
-Other ioctl works similarly to ``UFFDIO_COPY``. They're atomic as in
-guaranteeing that nothing can see an half copied page since it'll
-keep userfaulting until the copy has finished.
+Resolving Userfaults
+--------------------
+
+There are three basic ways to resolve userfaults:
+
+- ``UFFDIO_COPY`` atomically copies some existing page contents from
+ userspace.
+
+- ``UFFDIO_ZEROPAGE`` atomically zeros the new page.
+
+- ``UFFDIO_CONTINUE`` maps an existing, previously-populated page.
+
+These operations are atomic in the sense that they guarantee nothing can
+see a half-populated page, since readers will keep userfaulting until the
+operation has finished.
+
+By default, these wake up userfaults blocked on the range in question.
+They support a ``UFFDIO_*_MODE_DONTWAKE`` ``mode`` flag, which indicates
+that waking will be done separately at some later time.
+
+Which ioctl to choose depends on the kind of page fault, and what we'd
+like to do to resolve it:
+
+- For ``UFFDIO_REGISTER_MODE_MISSING`` faults, the fault needs to be
+ resolved by either providing a new page (``UFFDIO_COPY``), or mapping
+ the zero page (``UFFDIO_ZEROPAGE``). By default, the kernel would map
+ the zero page for a missing fault. With userfaultfd, userspace can
+ decide what content to provide before the faulting thread continues.
+
+- For ``UFFDIO_REGISTER_MODE_MINOR`` faults, there is an existing page (in
+ the page cache). Userspace has the option of modifying the page's
+ contents before resolving the fault. Once the contents are correct
+ (modified or not), userspace asks the kernel to map the page and let the
+ faulting thread continue with ``UFFDIO_CONTINUE``.
Notes:
-- If you requested ``UFFDIO_REGISTER_MODE_MISSING`` when registering then
- you must provide some kind of page in your thread after reading from
- the uffd. You must provide either ``UFFDIO_COPY`` or ``UFFDIO_ZEROPAGE``.
- The normal behavior of the OS automatically providing a zero page on
- an annonymous mmaping is not in place.
+- You can tell which kind of fault occurred by examining
+ ``pagefault.flags`` within the ``uffd_msg``, checking for the
+ ``UFFD_PAGEFAULT_FLAG_*`` flags.
- None of the page-delivering ioctls default to the range that you
registered with. You must fill in all fields for the appropriate
@@ -122,9 +148,9 @@
- You get the address of the access that triggered the missing page
event out of a struct uffd_msg that you read in the thread from the
- uffd. You can supply as many pages as you want with ``UFFDIO_COPY`` or
- ``UFFDIO_ZEROPAGE``. Keep in mind that unless you used DONTWAKE then
- the first of any of those IOCTLs wakes up the faulting thread.
+ uffd. You can supply as many pages as you want with these IOCTLs.
+ Keep in mind that unless you used DONTWAKE then the first of any of
+ those IOCTLs wakes up the faulting thread.
- Be sure to test for all errors including
(``pollfd[0].revents & POLLERR``). This can happen, e.g. when ranges
diff --git a/Documentation/admin-guide/ramoops.rst b/Documentation/admin-guide/ramoops.rst
index a60a962..f1801f48 100644
--- a/Documentation/admin-guide/ramoops.rst
+++ b/Documentation/admin-guide/ramoops.rst
@@ -3,7 +3,7 @@
Sergiu Iordache <sergiu@chromium.org>
-Updated: 17 November 2011
+Updated: 10 Feb 2021
Introduction
------------
@@ -30,6 +30,8 @@
depends on atomic operations. At least on ARM, pgprot_noncached causes the
memory to be mapped strongly ordered, and atomic operations on strongly ordered
memory are implementation defined, and won't work on many ARMs such as omaps.
+Setting ``mem_type=2`` attempts to treat the memory region as normal memory,
+which enables full cache on it. This can improve the performance.
The memory area is divided into ``record_size`` chunks (also rounded down to
power of two) and each kmesg dump writes a ``record_size`` chunk of
diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst
index 06027c6..9c321c7 100644
--- a/Documentation/admin-guide/sysctl/vm.rst
+++ b/Documentation/admin-guide/sysctl/vm.rst
@@ -38,6 +38,7 @@
- dirty_writeback_centisecs
- drop_caches
- extfrag_threshold
+- extra_free_kbytes
- highmem_is_dirtyable
- hugetlb_shm_group
- laptop_mode
@@ -126,7 +127,8 @@
This tunable takes a value in the range [0, 100] with a default value of
20. This tunable determines how aggressively compaction is done in the
-background. Setting it to 0 disables proactive compaction.
+background. On write of non zero value to this tunable will immediately
+trigger the proactive compaction. Setting it to 0 disables proactive compaction.
Note that compaction has a non-trivial system-wide impact as pages
belonging to different processes are moved around, which could also lead
@@ -307,6 +309,21 @@
any throttling.
+extra_free_kbytes
+
+This parameter tells the VM to keep extra free memory between the threshold
+where background reclaim (kswapd) kicks in, and the threshold where direct
+reclaim (by allocating processes) kicks in.
+
+This is useful for workloads that require low latency memory allocations
+and have a bounded burstiness in memory allocations, for example a
+realtime application that receives and transmits network traffic
+(causing in-kernel memory allocations) with a maximum total message burst
+size of 200MB may need 200MB of extra free memory to avoid direct reclaim
+related latencies.
+
+==============================================================
+
hugetlb_shm_group
=================
@@ -873,12 +890,17 @@
unprivileged_userfaultfd
========================
-This flag controls whether unprivileged users can use the userfaultfd
-system calls. Set this to 1 to allow unprivileged users to use the
-userfaultfd system calls, or set this to 0 to restrict userfaultfd to only
-privileged users (with SYS_CAP_PTRACE capability).
+This flag controls the mode in which unprivileged users can use the
+userfaultfd system calls. Set this to 0 to restrict unprivileged users
+to handle page faults in user mode only. In this case, users without
+SYS_CAP_PTRACE must pass UFFD_USER_MODE_ONLY in order for userfaultfd to
+succeed. Prohibiting use of userfaultfd for handling faults from kernel
+mode may make certain vulnerabilities more difficult to exploit.
-The default value is 1.
+Set this to 1 to allow unprivileged users to use the userfaultfd system
+calls without any restrictions.
+
+The default value is 0.
user_reserve_kbytes
diff --git a/Documentation/arm64/memory-tagging-extension.rst b/Documentation/arm64/memory-tagging-extension.rst
index b540178..7b99c8f 100644
--- a/Documentation/arm64/memory-tagging-extension.rst
+++ b/Documentation/arm64/memory-tagging-extension.rst
@@ -77,14 +77,20 @@
address is unknown).
The user can select the above modes, per thread, using the
-``prctl(PR_SET_TAGGED_ADDR_CTRL, flags, 0, 0, 0)`` system call where
-``flags`` contain one of the following values in the ``PR_MTE_TCF_MASK``
+``prctl(PR_SET_TAGGED_ADDR_CTRL, flags, 0, 0, 0)`` system call where ``flags``
+contains any number of the following values in the ``PR_MTE_TCF_MASK``
bit-field:
-- ``PR_MTE_TCF_NONE`` - *Ignore* tag check faults
+- ``PR_MTE_TCF_NONE`` - *Ignore* tag check faults
+ (ignored if combined with other options)
- ``PR_MTE_TCF_SYNC`` - *Synchronous* tag check fault mode
- ``PR_MTE_TCF_ASYNC`` - *Asynchronous* tag check fault mode
+If no modes are specified, tag check faults are ignored. If a single
+mode is specified, the program will run in that mode. If multiple
+modes are specified, the mode is selected as described in the "Per-CPU
+preferred tag checking modes" section below.
+
The current tag check fault mode can be read using the
``prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0)`` system call.
@@ -120,13 +126,39 @@
interface provides an include mask. An include mask of ``0`` (exclusion
mask ``0xffff``) results in the CPU always generating tag ``0``.
+Per-CPU preferred tag checking mode
+-----------------------------------
+
+On some CPUs the performance of MTE in stricter tag checking modes
+is similar to that of less strict tag checking modes. This makes it
+worthwhile to enable stricter checks on those CPUs when a less strict
+checking mode is requested, in order to gain the error detection
+benefits of the stricter checks without the performance downsides. To
+support this scenario, a privileged user may configure a stricter
+tag checking mode as the CPU's preferred tag checking mode.
+
+The preferred tag checking mode for each CPU is controlled by
+``/sys/devices/system/cpu/cpu<N>/mte_tcf_preferred``, to which a
+privileged user may write the value ``async`` or ``sync``. The default
+preferred mode for each CPU is ``async``.
+
+To allow a program to potentially run in the CPU's preferred tag
+checking mode, the user program may set multiple tag check fault mode
+bits in the ``flags`` argument to the ``prctl(PR_SET_TAGGED_ADDR_CTRL,
+flags, 0, 0, 0)`` system call. If the CPU's preferred tag checking
+mode is in the task's set of provided tag checking modes (this will
+always be the case at present because the kernel only supports two
+tag checking modes, but future kernels may support more modes), that
+mode will be selected. Otherwise, one of the modes in the task's mode
+set will be selected in a currently unspecified manner.
+
Initial process state
---------------------
On ``execve()``, the new process has the following configuration:
- ``PR_TAGGED_ADDR_ENABLE`` set to 0 (disabled)
-- Tag checking mode set to ``PR_MTE_TCF_NONE``
+- No tag checking modes are selected (tag check faults ignored)
- ``PR_MTE_TAG_MASK`` set to 0 (all tags excluded)
- ``PSTATE.TCO`` set to 0
- ``PROT_MTE`` not set on any of the initial memory maps
@@ -251,11 +283,13 @@
return EXIT_FAILURE;
/*
- * Enable the tagged address ABI, synchronous MTE tag check faults and
- * allow all non-zero tags in the randomly generated set.
+ * Enable the tagged address ABI, synchronous or asynchronous MTE
+ * tag check faults (based on per-CPU preference) and allow all
+ * non-zero tags in the randomly generated set.
*/
if (prctl(PR_SET_TAGGED_ADDR_CTRL,
- PR_TAGGED_ADDR_ENABLE | PR_MTE_TCF_SYNC | (0xfffe << PR_MTE_TAG_SHIFT),
+ PR_TAGGED_ADDR_ENABLE | PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC |
+ (0xfffe << PR_MTE_TAG_SHIFT),
0, 0, 0)) {
perror("prctl() failed");
return EXIT_FAILURE;
diff --git a/Documentation/arm64/memory.rst b/Documentation/arm64/memory.rst
index cf03b32..75df7fb 100644
--- a/Documentation/arm64/memory.rst
+++ b/Documentation/arm64/memory.rst
@@ -100,7 +100,7 @@
random) offset from the linear mapping. See the kern_hyp_va macro and
kvm_update_va_mask function for more details. MMIO devices such as
GICv2 gets mapped next to the HYP idmap page, as do vectors when
-ARM64_HARDEN_EL2_VECTORS is selected for particular CPUs.
+ARM64_SPECTRE_V3A is enabled for particular CPUs.
When using KVM with the Virtualization Host Extensions, no additional
mappings are created, since the host kernel runs directly in EL2.
diff --git a/Documentation/arm64/pointer-authentication.rst b/Documentation/arm64/pointer-authentication.rst
index 30b2ab0..f127666 100644
--- a/Documentation/arm64/pointer-authentication.rst
+++ b/Documentation/arm64/pointer-authentication.rst
@@ -107,3 +107,37 @@
KVM_GET/SET_REG_* ioctls and mask those features from cpufeature ID
register. Any attempt to use the Pointer Authentication instructions will
result in an UNDEFINED exception being injected into the guest.
+
+
+Enabling and disabling keys
+---------------------------
+
+The prctl PR_PAC_SET_ENABLED_KEYS allows the user program to control which
+PAC keys are enabled in a particular task. It takes two arguments, the
+first being a bitmask of PR_PAC_APIAKEY, PR_PAC_APIBKEY, PR_PAC_APDAKEY
+and PR_PAC_APDBKEY specifying which keys shall be affected by this prctl,
+and the second being a bitmask of the same bits specifying whether the key
+should be enabled or disabled. For example::
+
+ prctl(PR_PAC_SET_ENABLED_KEYS,
+ PR_PAC_APIAKEY | PR_PAC_APIBKEY | PR_PAC_APDAKEY | PR_PAC_APDBKEY,
+ PR_PAC_APIBKEY, 0, 0);
+
+disables all keys except the IB key.
+
+The main reason why this is useful is to enable a userspace ABI that uses PAC
+instructions to sign and authenticate function pointers and other pointers
+exposed outside of the function, while still allowing binaries conforming to
+the ABI to interoperate with legacy binaries that do not sign or authenticate
+pointers.
+
+The idea is that a dynamic loader or early startup code would issue this
+prctl very early after establishing that a process may load legacy binaries,
+but before executing any PAC instructions.
+
+For compatibility with previous kernel versions, processes start up with IA,
+IB, DA and DB enabled, and are reset to this state on exec(). Processes created
+via fork() and clone() inherit the key enabled state from the calling process.
+
+It is recommended to avoid disabling the IA key, as this has higher performance
+overhead than disabling any of the other keys.
diff --git a/Documentation/arm64/tagged-pointers.rst b/Documentation/arm64/tagged-pointers.rst
index eab4323..19d284b 100644
--- a/Documentation/arm64/tagged-pointers.rst
+++ b/Documentation/arm64/tagged-pointers.rst
@@ -53,12 +53,25 @@
Preserving tags
---------------
-Non-zero tags are not preserved when delivering signals. This means that
-signal handlers in applications making use of tags cannot rely on the
-tag information for user virtual addresses being maintained for fields
-inside siginfo_t. One exception to this rule is for signals raised in
-response to watchpoint debug exceptions, where the tag information will
-be preserved.
+When delivering signals, non-zero tags are not preserved in
+siginfo.si_addr unless the flag SA_EXPOSE_TAGBITS was set in
+sigaction.sa_flags when the signal handler was installed. This means
+that signal handlers in applications making use of tags cannot rely
+on the tag information for user virtual addresses being maintained
+in these fields unless the flag was set.
+
+Due to architecture limitations, bits 63:60 of the fault address
+are not preserved in response to synchronous tag check faults
+(SEGV_MTESERR) even if SA_EXPOSE_TAGBITS was set. Applications should
+treat the values of these bits as undefined in order to accommodate
+future architecture revisions which may preserve the bits.
+
+For signals raised in response to watchpoint debug exceptions, the
+tag information will be preserved regardless of the SA_EXPOSE_TAGBITS
+flag setting.
+
+Non-zero tags are never preserved in sigcontext.fault_address
+regardless of the SA_EXPOSE_TAGBITS flag setting.
The architecture prevents the use of a tagged PC, so the upper byte will
be set to a sign-extension of bit 55 on exception return.
diff --git a/Documentation/block/inline-encryption.rst b/Documentation/block/inline-encryption.rst
index e75151e..7f9b40d 100644
--- a/Documentation/block/inline-encryption.rst
+++ b/Documentation/block/inline-encryption.rst
@@ -182,8 +182,9 @@
A :c:type:``struct blk_keyslot_manager`` should be set up by device drivers in
the ``request_queue`` of the device. The device driver needs to call
-``blk_ksm_init`` on the ``blk_keyslot_manager``, which specifying the number of
-keyslots supported by the hardware.
+``blk_ksm_init`` (or its resource-managed variant ``devm_blk_ksm_init``) on the
+``blk_keyslot_manager``, while specifying the number of keyslots supported by
+the hardware.
The device driver also needs to tell the KSM how to actually manipulate the
IE hardware in the device to do things like programming the crypto key into
@@ -202,10 +203,9 @@
"should have" at the point in time when the function is called. This is useful
e.g. if a device loses all its keys on runtime power down/up.
-``blk_ksm_destroy`` should be called to free up all resources used by a keyslot
-manager upon ``blk_ksm_init``, once the ``blk_keyslot_manager`` is no longer
-needed.
-
+If the driver used ``blk_ksm_init`` instead of ``devm_blk_ksm_init``, then
+``blk_ksm_destroy`` should be called to free up all resources used by a
+``blk_keyslot_manager`` once it is no longer needed.
Layered Devices
===============
diff --git a/Documentation/crypto/api-skcipher.rst b/Documentation/crypto/api-skcipher.rst
index 1aaf898..04d6cc5 100644
--- a/Documentation/crypto/api-skcipher.rst
+++ b/Documentation/crypto/api-skcipher.rst
@@ -28,8 +28,8 @@
Single Block Cipher API
-----------------------
-.. kernel-doc:: include/linux/crypto.h
+.. kernel-doc:: include/crypto/internal/cipher.h
:doc: Single Block Cipher API
-.. kernel-doc:: include/linux/crypto.h
+.. kernel-doc:: include/crypto/internal/cipher.h
:functions: crypto_alloc_cipher crypto_free_cipher crypto_has_cipher crypto_cipher_blocksize crypto_cipher_setkey crypto_cipher_encrypt_one crypto_cipher_decrypt_one
diff --git a/Documentation/dev-tools/index.rst b/Documentation/dev-tools/index.rst
index f7809c7..1b1cf4f 100644
--- a/Documentation/dev-tools/index.rst
+++ b/Documentation/dev-tools/index.rst
@@ -22,6 +22,7 @@
ubsan
kmemleak
kcsan
+ kfence
gdb-kernel-debugging
kgdb
kselftest
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index 2b68add..075ef8e 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -4,13 +4,16 @@
Overview
--------
-KernelAddressSANitizer (KASAN) is a dynamic memory error detector designed to
-find out-of-bound and use-after-free bugs. KASAN has two modes: generic KASAN
-(similar to userspace ASan) and software tag-based KASAN (similar to userspace
-HWASan).
+KernelAddressSANitizer (KASAN) is a dynamic memory safety error detector
+designed to find out-of-bound and use-after-free bugs. KASAN has three modes:
-KASAN uses compile-time instrumentation to insert validity checks before every
-memory access, and therefore requires a compiler version that supports that.
+1. generic KASAN (similar to userspace ASan),
+2. software tag-based KASAN (similar to userspace HWASan),
+3. hardware tag-based KASAN (based on hardware memory tagging).
+
+Software KASAN modes (1 and 2) use compile-time instrumentation to insert
+validity checks before every memory access, and therefore require a compiler
+version that supports that.
Generic KASAN is supported in both GCC and Clang. With GCC it requires version
8.3.0 or later. Any supported Clang version is compatible, but detection of
@@ -19,7 +22,7 @@
Tag-based KASAN is only supported in Clang.
Currently generic KASAN is supported for the x86_64, arm64, xtensa, s390 and
-riscv architectures, and tag-based KASAN is supported only for arm64.
+and riscv architectures, and tag-based KASAN modes are supported only for arm64.
Usage
-----
@@ -28,30 +31,22 @@
CONFIG_KASAN = y
-and choose between CONFIG_KASAN_GENERIC (to enable generic KASAN) and
-CONFIG_KASAN_SW_TAGS (to enable software tag-based KASAN).
+and choose between CONFIG_KASAN_GENERIC (to enable generic KASAN),
+CONFIG_KASAN_SW_TAGS (to enable software tag-based KASAN), and
+CONFIG_KASAN_HW_TAGS (to enable hardware tag-based KASAN).
-You also need to choose between CONFIG_KASAN_OUTLINE and CONFIG_KASAN_INLINE.
-Outline and inline are compiler instrumentation types. The former produces
-smaller binary while the latter is 1.1 - 2 times faster.
+For software modes, you also need to choose between CONFIG_KASAN_OUTLINE and
+CONFIG_KASAN_INLINE. Outline and inline are compiler instrumentation types.
+The former produces smaller binary while the latter is 1.1 - 2 times faster.
-Both KASAN modes work with both SLUB and SLAB memory allocators.
-For better bug detection and nicer reporting, enable CONFIG_STACKTRACE.
+Both software KASAN modes work with both SLUB and SLAB memory allocators,
+while the hardware tag-based KASAN currently only support SLUB.
+
+For better error reports that include stack traces, enable CONFIG_STACKTRACE.
To augment reports with last allocation and freeing stack of the physical page,
it is recommended to enable also CONFIG_PAGE_OWNER and boot with page_owner=on.
-To disable instrumentation for specific files or directories, add a line
-similar to the following to the respective kernel Makefile:
-
-- For a single file (e.g. main.o)::
-
- KASAN_SANITIZE_main.o := n
-
-- For all files in one directory::
-
- KASAN_SANITIZE := n
-
Error reports
~~~~~~~~~~~~~
@@ -136,22 +131,68 @@
the accessed slab object and information about the accessed memory page.
In the last section the report shows memory state around the accessed address.
-Reading this part requires some understanding of how KASAN works.
+Internally KASAN tracks memory state separately for each memory granule, which
+is either 8 or 16 aligned bytes depending on KASAN mode. Each number in the
+memory state section of the report shows the state of one of the memory
+granules that surround the accessed address.
-The state of each 8 aligned bytes of memory is encoded in one shadow byte.
-Those 8 bytes can be accessible, partially accessible, freed or be a redzone.
-We use the following encoding for each shadow byte: 0 means that all 8 bytes
-of the corresponding memory region are accessible; number N (1 <= N <= 7) means
-that the first N bytes are accessible, and other (8 - N) bytes are not;
-any negative value indicates that the entire 8-byte word is inaccessible.
-We use different negative values to distinguish between different kinds of
-inaccessible memory like redzones or freed memory (see mm/kasan/kasan.h).
+For generic KASAN the size of each memory granule is 8. The state of each
+granule is encoded in one shadow byte. Those 8 bytes can be accessible,
+partially accessible, freed or be a part of a redzone. KASAN uses the following
+encoding for each shadow byte: 0 means that all 8 bytes of the corresponding
+memory region are accessible; number N (1 <= N <= 7) means that the first N
+bytes are accessible, and other (8 - N) bytes are not; any negative value
+indicates that the entire 8-byte word is inaccessible. KASAN uses different
+negative values to distinguish between different kinds of inaccessible memory
+like redzones or freed memory (see mm/kasan/kasan.h).
In the report above the arrows point to the shadow byte 03, which means that
-the accessed address is partially accessible.
+the accessed address is partially accessible. For tag-based KASAN modes this
+last report section shows the memory tags around the accessed address
+(see the `Implementation details`_ section).
-For tag-based KASAN this last report section shows the memory tags around the
-accessed address (see Implementation details section).
+Boot parameters
+~~~~~~~~~~~~~~~
+
+Hardware tag-based KASAN mode (see the section about various modes below) is
+intended for use in production as a security mitigation. Therefore, it supports
+boot parameters that allow to disable KASAN competely or otherwise control
+particular KASAN features.
+
+- ``kasan=off`` or ``=on`` controls whether KASAN is enabled (default: ``on``).
+
+- ``kasan.mode=sync`` or ``=async`` controls whether KASAN is configured in
+ synchronous or asynchronous mode of execution (default: ``sync``).
+ Synchronous mode: a bad access is detected immediately when a tag
+ check fault occurs.
+ Asynchronous mode: a bad access detection is delayed. When a tag check
+ fault occurs, the information is stored in hardware (in the TFSR_EL1
+ register for arm64). The kernel periodically checks the hardware and
+ only reports tag faults during these checks.
+
+- ``kasan.stacktrace=off`` or ``=on`` disables or enables alloc and free stack
+ traces collection (default: ``on``).
+
+- ``kasan.fault=report`` or ``=panic`` controls whether to only print a KASAN
+ report or also panic the kernel (default: ``report``). Note, that tag
+ checking gets disabled after the first reported bug.
+
+For developers
+~~~~~~~~~~~~~~
+
+Software KASAN modes use compiler instrumentation to insert validity checks.
+Such instrumentation might be incompatible with some part of the kernel, and
+therefore needs to be disabled. To disable instrumentation for specific files
+or directories, add a line similar to the following to the respective kernel
+Makefile:
+
+- For a single file (e.g. main.o)::
+
+ KASAN_SANITIZE_main.o := n
+
+- For all files in one directory::
+
+ KASAN_SANITIZE := n
Implementation details
@@ -160,10 +201,10 @@
Generic KASAN
~~~~~~~~~~~~~
-From a high level, our approach to memory error detection is similar to that
-of kmemcheck: use shadow memory to record whether each byte of memory is safe
-to access, and use compile-time instrumentation to insert checks of shadow
-memory on each memory access.
+From a high level perspective, KASAN's approach to memory error detection is
+similar to that of kmemcheck: use shadow memory to record whether each byte of
+memory is safe to access, and use compile-time instrumentation to insert checks
+of shadow memory on each memory access.
Generic KASAN dedicates 1/8th of kernel memory to its shadow memory (e.g. 16TB
to cover 128TB on x86_64) and uses direct mapping with a scale and offset to
@@ -190,23 +231,34 @@
This option significantly enlarges kernel but it gives x1.1-x2 performance
boost over outline instrumented kernel.
-Generic KASAN prints up to 2 call_rcu() call stacks in reports, the last one
-and the second to last.
+Generic KASAN also reports the last 2 call stacks to creation of work that
+potentially has access to an object. Call stacks for the following are shown:
+call_rcu() and workqueue queuing.
+
+Generic KASAN is the only mode that delays the reuse of freed object via
+quarantine (see mm/kasan/quarantine.c for implementation).
Software tag-based KASAN
~~~~~~~~~~~~~~~~~~~~~~~~
-Tag-based KASAN uses the Top Byte Ignore (TBI) feature of modern arm64 CPUs to
-store a pointer tag in the top byte of kernel pointers. Like generic KASAN it
-uses shadow memory to store memory tags associated with each 16-byte memory
+Software tag-based KASAN requires software memory tagging support in the form
+of HWASan-like compiler instrumentation (see HWASan documentation for details).
+
+Software tag-based KASAN is currently only implemented for arm64 architecture.
+
+Software tag-based KASAN uses the Top Byte Ignore (TBI) feature of arm64 CPUs
+to store a pointer tag in the top byte of kernel pointers. Like generic KASAN
+it uses shadow memory to store memory tags associated with each 16-byte memory
cell (therefore it dedicates 1/16th of the kernel memory for shadow memory).
-On each memory allocation tag-based KASAN generates a random tag, tags the
-allocated memory with this tag, and embeds this tag into the returned pointer.
+On each memory allocation software tag-based KASAN generates a random tag, tags
+the allocated memory with this tag, and embeds this tag into the returned
+pointer.
+
Software tag-based KASAN uses compile-time instrumentation to insert checks
before each memory access. These checks make sure that tag of the memory that
is being accessed is equal to tag of the pointer that is used to access this
-memory. In case of a tag mismatch tag-based KASAN prints a bug report.
+memory. In case of a tag mismatch software tag-based KASAN prints a bug report.
Software tag-based KASAN also has two instrumentation modes (outline, that
emits callbacks to check memory accesses; and inline, that performs the shadow
@@ -215,9 +267,46 @@
instrumentation a brk instruction is emitted by the compiler, and a dedicated
brk handler is used to print bug reports.
-A potential expansion of this mode is a hardware tag-based mode, which would
-use hardware memory tagging support instead of compiler instrumentation and
-manual shadow memory manipulation.
+Software tag-based KASAN uses 0xFF as a match-all pointer tag (accesses through
+pointers with 0xFF pointer tag aren't checked). The value 0xFE is currently
+reserved to tag freed memory regions.
+
+Software tag-based KASAN currently only supports tagging of
+kmem_cache_alloc/kmalloc and page_alloc memory.
+
+Hardware tag-based KASAN
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+Hardware tag-based KASAN is similar to the software mode in concept, but uses
+hardware memory tagging support instead of compiler instrumentation and
+shadow memory.
+
+Hardware tag-based KASAN is currently only implemented for arm64 architecture
+and based on both arm64 Memory Tagging Extension (MTE) introduced in ARMv8.5
+Instruction Set Architecture, and Top Byte Ignore (TBI).
+
+Special arm64 instructions are used to assign memory tags for each allocation.
+Same tags are assigned to pointers to those allocations. On every memory
+access, hardware makes sure that tag of the memory that is being accessed is
+equal to tag of the pointer that is used to access this memory. In case of a
+tag mismatch a fault is generated and a report is printed.
+
+Hardware tag-based KASAN uses 0xFF as a match-all pointer tag (accesses through
+pointers with 0xFF pointer tag aren't checked). The value 0xFE is currently
+reserved to tag freed memory regions.
+
+Hardware tag-based KASAN currently only supports tagging of
+kmem_cache_alloc/kmalloc and page_alloc memory.
+
+If the hardware doesn't support MTE (pre ARMv8.5), hardware tag-based KASAN
+won't be enabled. In this case all boot parameters are ignored.
+
+Note, that enabling CONFIG_KASAN_HW_TAGS always results in in-kernel TBI being
+enabled. Even when kasan.mode=off is provided, or when the hardware doesn't
+support MTE (but supports TBI).
+
+Hardware tag-based KASAN only reports the first found bug. After that MTE tag
+checking gets disabled.
What memory accesses are sanitised by KASAN?
--------------------------------------------
@@ -264,17 +353,17 @@
page of shadow space. Allocating a full shadow page per mapping would
therefore be wasteful. Furthermore, to ensure that different mappings
use different shadow pages, mappings would have to be aligned to
-``KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE``.
+``KASAN_GRANULE_SIZE * PAGE_SIZE``.
-Instead, we share backing space across multiple mappings. We allocate
+Instead, KASAN shares backing space across multiple mappings. It allocates
a backing page when a mapping in vmalloc space uses a particular page
of the shadow region. This page can be shared by other vmalloc
mappings later on.
-We hook in to the vmap infrastructure to lazily clean up unused shadow
+KASAN hooks into the vmap infrastructure to lazily clean up unused shadow
memory.
-To avoid the difficulties around swapping mappings around, we expect
+To avoid the difficulties around swapping mappings around, KASAN expects
that the part of the shadow region that covers the vmalloc space will
not be covered by the early shadow page, but will be left
unmapped. This will require changes in arch-specific code.
@@ -282,27 +371,34 @@
This allows ``VMAP_STACK`` support on x86, and can simplify support of
architectures that do not have a fixed module region.
-CONFIG_KASAN_KUNIT_TEST & CONFIG_TEST_KASAN_MODULE
---------------------------------------------------
+CONFIG_KASAN_KUNIT_TEST and CONFIG_KASAN_MODULE_TEST
+----------------------------------------------------
-``CONFIG_KASAN_KUNIT_TEST`` utilizes the KUnit Test Framework for testing.
-This means each test focuses on a small unit of functionality and
-there are a few ways these tests can be run.
+KASAN tests consist of two parts:
-Each test will print the KASAN report if an error is detected and then
-print the number of the test and the status of the test:
+1. Tests that are integrated with the KUnit Test Framework. Enabled with
+``CONFIG_KASAN_KUNIT_TEST``. These tests can be run and partially verified
+automatically in a few different ways, see the instructions below.
-pass::
+2. Tests that are currently incompatible with KUnit. Enabled with
+``CONFIG_KASAN_MODULE_TEST`` and can only be run as a module. These tests can
+only be verified manually, by loading the kernel module and inspecting the
+kernel log for KASAN reports.
+
+Each KUnit-compatible KASAN test prints a KASAN report if an error is detected.
+Then the test prints its number and status.
+
+When a test passes::
ok 28 - kmalloc_double_kzfree
-or, if kmalloc failed::
+When a test fails due to a failed ``kmalloc``::
# kmalloc_large_oob_right: ASSERTION FAILED at lib/test_kasan.c:163
Expected ptr is not null, but is
not ok 4 - kmalloc_large_oob_right
-or, if a KASAN report was expected, but not found::
+When a test fails due to a missing KASAN report::
# kmalloc_double_kzfree: EXPECTATION FAILED at lib/test_kasan.c:629
Expected kasan_data->report_expected == kasan_data->report_found, but
@@ -310,46 +406,38 @@
kasan_data->report_found == 0
not ok 28 - kmalloc_double_kzfree
-All test statuses are tracked as they run and an overall status will
-be printed at the end::
+At the end the cumulative status of all KASAN tests is printed. On success::
ok 1 - kasan
-or::
+Or, if one of the tests failed::
not ok 1 - kasan
-(1) Loadable Module
-~~~~~~~~~~~~~~~~~~~~
+
+There are a few ways to run KUnit-compatible KASAN tests.
+
+1. Loadable module
+~~~~~~~~~~~~~~~~~~
With ``CONFIG_KUNIT`` enabled, ``CONFIG_KASAN_KUNIT_TEST`` can be built as
-a loadable module and run on any architecture that supports KASAN
-using something like insmod or modprobe. The module is called ``test_kasan``.
+a loadable module and run on any architecture that supports KASAN by loading
+the module with insmod or modprobe. The module is called ``test_kasan``.
-(2) Built-In
-~~~~~~~~~~~~~
+2. Built-In
+~~~~~~~~~~~
With ``CONFIG_KUNIT`` built-in, ``CONFIG_KASAN_KUNIT_TEST`` can be built-in
-on any architecure that supports KASAN. These and any other KUnit
-tests enabled will run and print the results at boot as a late-init
-call.
+on any architecure that supports KASAN. These and any other KUnit tests enabled
+will run and print the results at boot as a late-init call.
-(3) Using kunit_tool
-~~~~~~~~~~~~~~~~~~~~~
+3. Using kunit_tool
+~~~~~~~~~~~~~~~~~~~
-With ``CONFIG_KUNIT`` and ``CONFIG_KASAN_KUNIT_TEST`` built-in, we can also
-use kunit_tool to see the results of these along with other KUnit
-tests in a more readable way. This will not print the KASAN reports
-of tests that passed. Use `KUnit documentation <https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html>`_ for more up-to-date
-information on kunit_tool.
+With ``CONFIG_KUNIT`` and ``CONFIG_KASAN_KUNIT_TEST`` built-in, it's also
+possible use ``kunit_tool`` to see the results of these and other KUnit tests
+in a more readable way. This will not print the KASAN reports of the tests that
+passed. Use `KUnit documentation <https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html>`_
+for more up-to-date information on ``kunit_tool``.
.. _KUnit: https://www.kernel.org/doc/html/latest/dev-tools/kunit/index.html
-
-``CONFIG_TEST_KASAN_MODULE`` is a set of KASAN tests that could not be
-converted to KUnit. These tests can be run only as a module with
-``CONFIG_TEST_KASAN_MODULE`` built as a loadable module and
-``CONFIG_KASAN`` built-in. The type of error expected and the
-function being run is printed before the expression expected to give
-an error. Then the error is printed, if found, and that test
-should be interpretted to pass only if the error was the one expected
-by the test.
diff --git a/Documentation/dev-tools/kfence.rst b/Documentation/dev-tools/kfence.rst
new file mode 100644
index 0000000..fdf04e7
--- /dev/null
+++ b/Documentation/dev-tools/kfence.rst
@@ -0,0 +1,298 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. Copyright (C) 2020, Google LLC.
+
+Kernel Electric-Fence (KFENCE)
+==============================
+
+Kernel Electric-Fence (KFENCE) is a low-overhead sampling-based memory safety
+error detector. KFENCE detects heap out-of-bounds access, use-after-free, and
+invalid-free errors.
+
+KFENCE is designed to be enabled in production kernels, and has near zero
+performance overhead. Compared to KASAN, KFENCE trades performance for
+precision. The main motivation behind KFENCE's design, is that with enough
+total uptime KFENCE will detect bugs in code paths not typically exercised by
+non-production test workloads. One way to quickly achieve a large enough total
+uptime is when the tool is deployed across a large fleet of machines.
+
+Usage
+-----
+
+To enable KFENCE, configure the kernel with::
+
+ CONFIG_KFENCE=y
+
+To build a kernel with KFENCE support, but disabled by default (to enable, set
+``kfence.sample_interval`` to non-zero value), configure the kernel with::
+
+ CONFIG_KFENCE=y
+ CONFIG_KFENCE_SAMPLE_INTERVAL=0
+
+KFENCE provides several other configuration options to customize behaviour (see
+the respective help text in ``lib/Kconfig.kfence`` for more info).
+
+Tuning performance
+~~~~~~~~~~~~~~~~~~
+
+The most important parameter is KFENCE's sample interval, which can be set via
+the kernel boot parameter ``kfence.sample_interval`` in milliseconds. The
+sample interval determines the frequency with which heap allocations will be
+guarded by KFENCE. The default is configurable via the Kconfig option
+``CONFIG_KFENCE_SAMPLE_INTERVAL``. Setting ``kfence.sample_interval=0``
+disables KFENCE.
+
+The KFENCE memory pool is of fixed size, and if the pool is exhausted, no
+further KFENCE allocations occur. With ``CONFIG_KFENCE_NUM_OBJECTS`` (default
+255), the number of available guarded objects can be controlled. Each object
+requires 2 pages, one for the object itself and the other one used as a guard
+page; object pages are interleaved with guard pages, and every object page is
+therefore surrounded by two guard pages.
+
+The total memory dedicated to the KFENCE memory pool can be computed as::
+
+ ( #objects + 1 ) * 2 * PAGE_SIZE
+
+Using the default config, and assuming a page size of 4 KiB, results in
+dedicating 2 MiB to the KFENCE memory pool.
+
+Note: On architectures that support huge pages, KFENCE will ensure that the
+pool is using pages of size ``PAGE_SIZE``. This will result in additional page
+tables being allocated.
+
+Error reports
+~~~~~~~~~~~~~
+
+A typical out-of-bounds access looks like this::
+
+ ==================================================================
+ BUG: KFENCE: out-of-bounds read in test_out_of_bounds_read+0xa3/0x22b
+
+ Out-of-bounds read at 0xffffffffb672efff (1B left of kfence-#17):
+ test_out_of_bounds_read+0xa3/0x22b
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ kfence-#17 [0xffffffffb672f000-0xffffffffb672f01f, size=32, cache=kmalloc-32] allocated by task 507:
+ test_alloc+0xf3/0x25b
+ test_out_of_bounds_read+0x98/0x22b
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ CPU: 4 PID: 107 Comm: kunit_try_catch Not tainted 5.8.0-rc6+ #7
+ Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+ ==================================================================
+
+The header of the report provides a short summary of the function involved in
+the access. It is followed by more detailed information about the access and
+its origin. Note that, real kernel addresses are only shown when using the
+kernel command line option ``no_hash_pointers``.
+
+Use-after-free accesses are reported as::
+
+ ==================================================================
+ BUG: KFENCE: use-after-free read in test_use_after_free_read+0xb3/0x143
+
+ Use-after-free read at 0xffffffffb673dfe0 (in kfence-#24):
+ test_use_after_free_read+0xb3/0x143
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ kfence-#24 [0xffffffffb673dfe0-0xffffffffb673dfff, size=32, cache=kmalloc-32] allocated by task 507:
+ test_alloc+0xf3/0x25b
+ test_use_after_free_read+0x76/0x143
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ freed by task 507:
+ test_use_after_free_read+0xa8/0x143
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ CPU: 4 PID: 109 Comm: kunit_try_catch Tainted: G W 5.8.0-rc6+ #7
+ Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+ ==================================================================
+
+KFENCE also reports on invalid frees, such as double-frees::
+
+ ==================================================================
+ BUG: KFENCE: invalid free in test_double_free+0xdc/0x171
+
+ Invalid free of 0xffffffffb6741000:
+ test_double_free+0xdc/0x171
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ kfence-#26 [0xffffffffb6741000-0xffffffffb674101f, size=32, cache=kmalloc-32] allocated by task 507:
+ test_alloc+0xf3/0x25b
+ test_double_free+0x76/0x171
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ freed by task 507:
+ test_double_free+0xa8/0x171
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ CPU: 4 PID: 111 Comm: kunit_try_catch Tainted: G W 5.8.0-rc6+ #7
+ Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+ ==================================================================
+
+KFENCE also uses pattern-based redzones on the other side of an object's guard
+page, to detect out-of-bounds writes on the unprotected side of the object.
+These are reported on frees::
+
+ ==================================================================
+ BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0xef/0x184
+
+ Corrupted memory at 0xffffffffb6797ff9 [ 0xac . . . . . . ] (in kfence-#69):
+ test_kmalloc_aligned_oob_write+0xef/0x184
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ kfence-#69 [0xffffffffb6797fb0-0xffffffffb6797ff8, size=73, cache=kmalloc-96] allocated by task 507:
+ test_alloc+0xf3/0x25b
+ test_kmalloc_aligned_oob_write+0x57/0x184
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ CPU: 4 PID: 120 Comm: kunit_try_catch Tainted: G W 5.8.0-rc6+ #7
+ Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+ ==================================================================
+
+For such errors, the address where the corruption occurred as well as the
+invalidly written bytes (offset from the address) are shown; in this
+representation, '.' denote untouched bytes. In the example above ``0xac`` is
+the value written to the invalid address at offset 0, and the remaining '.'
+denote that no following bytes have been touched. Note that, real values are
+only shown if the kernel was booted with ``no_hash_pointers``; to avoid
+information disclosure otherwise, '!' is used instead to denote invalidly
+written bytes.
+
+And finally, KFENCE may also report on invalid accesses to any protected page
+where it was not possible to determine an associated object, e.g. if adjacent
+object pages had not yet been allocated::
+
+ ==================================================================
+ BUG: KFENCE: invalid read in test_invalid_access+0x26/0xe0
+
+ Invalid read at 0xffffffffb670b00a:
+ test_invalid_access+0x26/0xe0
+ kunit_try_run_case+0x51/0x85
+ kunit_generic_run_threadfn_adapter+0x16/0x30
+ kthread+0x137/0x160
+ ret_from_fork+0x22/0x30
+
+ CPU: 4 PID: 124 Comm: kunit_try_catch Tainted: G W 5.8.0-rc6+ #7
+ Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1 04/01/2014
+ ==================================================================
+
+DebugFS interface
+~~~~~~~~~~~~~~~~~
+
+Some debugging information is exposed via debugfs:
+
+* The file ``/sys/kernel/debug/kfence/stats`` provides runtime statistics.
+
+* The file ``/sys/kernel/debug/kfence/objects`` provides a list of objects
+ allocated via KFENCE, including those already freed but protected.
+
+Implementation Details
+----------------------
+
+Guarded allocations are set up based on the sample interval. After expiration
+of the sample interval, the next allocation through the main allocator (SLAB or
+SLUB) returns a guarded allocation from the KFENCE object pool (allocation
+sizes up to PAGE_SIZE are supported). At this point, the timer is reset, and
+the next allocation is set up after the expiration of the interval. To "gate" a
+KFENCE allocation through the main allocator's fast-path without overhead,
+KFENCE relies on static branches via the static keys infrastructure. The static
+branch is toggled to redirect the allocation to KFENCE.
+
+KFENCE objects each reside on a dedicated page, at either the left or right
+page boundaries selected at random. The pages to the left and right of the
+object page are "guard pages", whose attributes are changed to a protected
+state, and cause page faults on any attempted access. Such page faults are then
+intercepted by KFENCE, which handles the fault gracefully by reporting an
+out-of-bounds access, and marking the page as accessible so that the faulting
+code can (wrongly) continue executing (set ``panic_on_warn`` to panic instead).
+
+To detect out-of-bounds writes to memory within the object's page itself,
+KFENCE also uses pattern-based redzones. For each object page, a redzone is set
+up for all non-object memory. For typical alignments, the redzone is only
+required on the unguarded side of an object. Because KFENCE must honor the
+cache's requested alignment, special alignments may result in unprotected gaps
+on either side of an object, all of which are redzoned.
+
+The following figure illustrates the page layout::
+
+ ---+-----------+-----------+-----------+-----------+-----------+---
+ | xxxxxxxxx | O : | xxxxxxxxx | : O | xxxxxxxxx |
+ | xxxxxxxxx | B : | xxxxxxxxx | : B | xxxxxxxxx |
+ | x GUARD x | J : RED- | x GUARD x | RED- : J | x GUARD x |
+ | xxxxxxxxx | E : ZONE | xxxxxxxxx | ZONE : E | xxxxxxxxx |
+ | xxxxxxxxx | C : | xxxxxxxxx | : C | xxxxxxxxx |
+ | xxxxxxxxx | T : | xxxxxxxxx | : T | xxxxxxxxx |
+ ---+-----------+-----------+-----------+-----------+-----------+---
+
+Upon deallocation of a KFENCE object, the object's page is again protected and
+the object is marked as freed. Any further access to the object causes a fault
+and KFENCE reports a use-after-free access. Freed objects are inserted at the
+tail of KFENCE's freelist, so that the least recently freed objects are reused
+first, and the chances of detecting use-after-frees of recently freed objects
+is increased.
+
+Interface
+---------
+
+The following describes the functions which are used by allocators as well as
+page handling code to set up and deal with KFENCE allocations.
+
+.. kernel-doc:: include/linux/kfence.h
+ :functions: is_kfence_address
+ kfence_shutdown_cache
+ kfence_alloc kfence_free __kfence_free
+ kfence_ksize kfence_object_start
+ kfence_handle_page_fault
+
+Related Tools
+-------------
+
+In userspace, a similar approach is taken by `GWP-ASan
+<http://llvm.org/docs/GwpAsan.html>`_. GWP-ASan also relies on guard pages and
+a sampling strategy to detect memory unsafety bugs at scale. KFENCE's design is
+directly influenced by GWP-ASan, and can be seen as its kernel sibling. Another
+similar but non-sampling approach, that also inspired the name "KFENCE", can be
+found in the userspace `Electric Fence Malloc Debugger
+<https://linux.die.net/man/3/efence>`_.
+
+In the kernel, several tools exist to debug memory access errors, and in
+particular KASAN can detect all bug classes that KFENCE can detect. While KASAN
+is more precise, relying on compiler instrumentation, this comes at a
+performance cost.
+
+It is worth highlighting that KASAN and KFENCE are complementary, with
+different target environments. For instance, KASAN is the better debugging-aid,
+where test cases or reproducers exists: due to the lower chance to detect the
+error, it would require more effort using KFENCE to debug. Deployments at scale
+that cannot afford to enable KASAN, however, would benefit from using KFENCE to
+discover bugs due to code paths not exercised by test cases or fuzzers.
diff --git a/Documentation/dev-tools/ubsan.rst b/Documentation/dev-tools/ubsan.rst
index 655e6b6..1be6618 100644
--- a/Documentation/dev-tools/ubsan.rst
+++ b/Documentation/dev-tools/ubsan.rst
@@ -86,3 +86,4 @@
.. _1: https://gcc.gnu.org/onlinedocs/gcc-4.9.0/gcc/Debugging-Options.html
.. _2: https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html
+.. _3: https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html
diff --git a/Documentation/device-mapper/dm-bow.txt b/Documentation/device-mapper/dm-bow.txt
new file mode 100644
index 0000000..e3fc4d2
--- /dev/null
+++ b/Documentation/device-mapper/dm-bow.txt
@@ -0,0 +1,99 @@
+dm_bow (backup on write)
+========================
+
+dm_bow is a device mapper driver that uses the free space on a device to back up
+data that is overwritten. The changes can then be committed by a simple state
+change, or rolled back by removing the dm_bow device and running a command line
+utility over the underlying device.
+
+dm_bow has three states, set by writing ‘1’ or ‘2’ to /sys/block/dm-?/bow/state.
+It is only possible to go from state 0 (initial state) to state 1, and then from
+state 1 to state 2.
+
+State 0: dm_bow collects all trims to the device and assumes that these mark
+free space on the overlying file system that can be safely used. Typically the
+mount code would create the dm_bow device, mount the file system, call the
+FITRIM ioctl on the file system then switch to state 1. These trims are not
+propagated to the underlying device.
+
+State 1: All writes to the device cause the underlying data to be backed up to
+the free (trimmed) area as needed in such a way as they can be restored.
+However, the writes, with one exception, then happen exactly as they would
+without dm_bow, so the device is always in a good final state. The exception is
+that sector 0 is used to keep a log of the latest changes, both to indicate that
+we are in this state and to allow rollback. See below for all details. If there
+isn't enough free space, writes are failed with -ENOSPC.
+
+State 2: The transition to state 2 triggers replacing the special sector 0 with
+the normal sector 0, and the freeing of all state information. dm_bow then
+becomes a pass-through driver, allowing the device to continue to be used with
+minimal performance impact.
+
+Usage
+=====
+dm-bow takes one command line parameter, the name of the underlying device.
+
+dm-bow will typically be used in the following way. dm-bow will be loaded with a
+suitable underlying device and the resultant device will be mounted. A file
+system trim will be issued via the FITRIM ioctl, then the device will be
+switched to state 1. The file system will now be used as normal. At some point,
+the changes can either be committed by switching to state 2, or rolled back by
+unmounting the file system, removing the dm-bow device and running the command
+line utility. Note that rebooting the device will be equivalent to unmounting
+and removing, but the command line utility must still be run
+
+Details of operation in state 1
+===============================
+
+dm_bow maintains a type for all sectors. A sector can be any of:
+
+SECTOR0
+SECTOR0_CURRENT
+UNCHANGED
+FREE
+CHANGED
+BACKUP
+
+SECTOR0 is the first sector on the device, and is used to hold the log of
+changes. This is the one exception.
+
+SECTOR0_CURRENT is a sector picked from the FREE sectors, and is where reads and
+writes from the true sector zero are redirected to. Note that like any backup
+sector, if the sector is written to directly, it must be moved again.
+
+UNCHANGED means that the sector has not been changed since we entered state 1.
+Thus if it is written to or trimmed, the contents must first be backed up.
+
+FREE means that the sector was trimmed in state 0 and has not yet been written
+to or used for backup. On being written to, a FREE sector is changed to CHANGED.
+
+CHANGED means that the sector has been modified, and can be further modified
+without further backup.
+
+BACKUP means that this is a free sector being used as a backup. On being written
+to, the contents must first be backed up again.
+
+All backup operations are logged to the first sector. The log sector has the
+format:
+--------------------------------------------------------
+| Magic | Count | Sequence | Log entry | Log entry | …
+--------------------------------------------------------
+
+Magic is a magic number. Count is the number of log entries. Sequence is 0
+initially. A log entry is
+
+-----------------------------------
+| Source | Dest | Size | Checksum |
+-----------------------------------
+
+When SECTOR0 is full, the log sector is backed up and another empty log sector
+created with sequence number one higher. The first entry in any log entry with
+sequence > 0 therefore must be the log of the backing up of the previous log
+sector. Note that sequence is not strictly needed, but is a useful sanity check
+and potentially limits the time spent trying to restore a corrupted snapshot.
+
+On entering state 1, dm_bow has a list of free sectors. All other sectors are
+unchanged. Sector0_current is selected from the free sectors and the contents of
+sector 0 are copied there. The sector 0 is backed up, which triggers the first
+log entry to be written.
+
diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt
index 55deb68..667d58e 100644
--- a/Documentation/devicetree/bindings/arm/arm,scmi.txt
+++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt
@@ -31,6 +31,14 @@
- mbox-names: shall be "tx" or "rx" depending on mboxes entries.
+- interrupts : when using smc or hvc transports, this optional
+ property indicates that msg completion by the platform is indicated
+ by an interrupt rather than by the return of the smc call. This
+ should not be used except when the platform requires such behavior.
+
+- interrupt-names : if "interrupts" is present, interrupt-names must also
+ be present and have the value "a2p".
+
See Documentation/devicetree/bindings/mailbox/mailbox.txt for more details
about the generic mailbox controller and client driver bindings.
@@ -62,6 +70,20 @@
- #power-domain-cells : Should be 1. Contains the device or the power
domain ID value used by SCMI commands.
+Regulator bindings for the SCMI Regulator based on SCMI Message Protocol
+------------------------------------------------------------
+An SCMI Regulator is permanently bound to a well defined SCMI Voltage Domain,
+and should be always positioned as a root regulator.
+It does not support any current operation.
+
+SCMI Regulators are grouped under a 'regulators' node which in turn is a child
+of the SCMI Voltage protocol node inside the desired SCMI instance node.
+
+This binding uses the common regulator binding[6].
+
+Required properties:
+ - reg : shall identify an existent SCMI Voltage Domain.
+
Sensor bindings for the sensors based on SCMI Message Protocol
--------------------------------------------------------------
SCMI provides an API to access the various sensors on the SoC.
@@ -105,6 +127,7 @@
[3] Documentation/devicetree/bindings/thermal/thermal*.yaml
[4] Documentation/devicetree/bindings/sram/sram.yaml
[5] Documentation/devicetree/bindings/reset/reset.txt
+[6] Documentation/devicetree/bindings/regulator/regulator.yaml
Example:
@@ -169,6 +192,25 @@
reg = <0x16>;
#reset-cells = <1>;
};
+
+ scmi_voltage: protocol@17 {
+ reg = <0x17>;
+
+ regulators {
+ regulator_devX: regulator@0 {
+ reg = <0x0>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ regulator_devY: regulator@9 {
+ reg = <0x9>;
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <4200000>;
+ };
+
+ ...
+ };
+ };
};
};
diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676..7f9c1ca 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -34,9 +34,12 @@
Program Flow Trace Macrocell:
"arm,coresight-etm3x", "arm,primecell";
- - Embedded Trace Macrocell (version 4.x):
+ - Embedded Trace Macrocell (version 4.x), with memory mapped access.
"arm,coresight-etm4x", "arm,primecell";
+ - Embedded Trace Macrocell (version 4.x), with system register access only.
+ "arm,coresight-etm4x-sysreg";
+
- Coresight programmable Replicator :
"arm,coresight-dynamic-replicator", "arm,primecell";
diff --git a/Documentation/devicetree/bindings/arm/ete.yaml b/Documentation/devicetree/bindings/arm/ete.yaml
new file mode 100644
index 0000000..572564a
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/ete.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+# Copyright 2021, Arm Ltd
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/ete.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: ARM Embedded Trace Extensions
+
+maintainers:
+ - Suzuki K Poulose <suzuki.poulose@arm.com>
+ - Mathieu Poirier <mathieu.poirier@linaro.org>
+
+description: |
+ Arm Embedded Trace Extension(ETE) is a per CPU trace component that
+ allows tracing the CPU execution. It overlaps with the CoreSight ETMv4
+ architecture and has extended support for future architecture changes.
+ The trace generated by the ETE could be stored via legacy CoreSight
+ components (e.g, TMC-ETR) or other means (e.g, using a per CPU buffer
+ Arm Trace Buffer Extension (TRBE)). Since the ETE can be connected to
+ legacy CoreSight components, a node must be listed per instance, along
+ with any optional connection graph as per the coresight bindings.
+ See bindings/arm/coresight.txt.
+
+properties:
+ $nodename:
+ pattern: "^ete([0-9a-f]+)$"
+ compatible:
+ items:
+ - const: arm,embedded-trace-extension
+
+ cpu:
+ description: |
+ Handle to the cpu this ETE is bound to.
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ out-ports:
+ description: |
+ Output connections from the ETE to legacy CoreSight trace bus.
+ $ref: /schemas/graph.yaml#/properties/ports
+ properties:
+ port:
+ description: Output connection from the ETE to legacy CoreSight Trace bus.
+ $ref: /schemas/graph.yaml#/properties/port required:
+
+required:
+ - compatible
+ - cpu
+
+additionalProperties: false
+
+examples:
+
+# An ETE node without legacy CoreSight connections
+ - |
+ ete0 {
+ compatible = "arm,embedded-trace-extension";
+ cpu = <&cpu_0>;
+ };
+# An ETE node with legacy CoreSight connections
+ - |
+ ete1 {
+ compatible = "arm,embedded-trace-extension";
+ cpu = <&cpu_1>;
+
+ out-ports { /* legacy coresight connection */
+ port {
+ ete1_out_port: endpoint {
+ remote-endpoint = <&funnel_in_port0>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/arm/trbe.yaml b/Documentation/devicetree/bindings/arm/trbe.yaml
new file mode 100644
index 0000000..4402d7b
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/trbe.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+# Copyright 2021, Arm Ltd
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/trbe.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: ARM Trace Buffer Extensions
+
+maintainers:
+ - Anshuman Khandual <anshuman.khandual@arm.com>
+
+description: |
+ Arm Trace Buffer Extension (TRBE) is a per CPU component
+ for storing trace generated on the CPU to memory. It is
+ accessed via CPU system registers. The software can verify
+ if it is permitted to use the component by checking the
+ TRBIDR register.
+
+properties:
+ $nodename:
+ const: "trbe"
+ compatible:
+ items:
+ - const: arm,trace-buffer-extension
+
+ interrupts:
+ description: |
+ Exactly 1 PPI must be listed. For heterogeneous systems where
+ TRBE is only supported on a subset of the CPUs, please consult
+ the arm,gic-v3 binding for details on describing a PPI partition.
+ maxItems: 1
+
+required:
+ - compatible
+ - interrupts
+
+additionalProperties: false
+
+examples:
+
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ trbe {
+ compatible = "arm,trace-buffer-extension";
+ interrupts = <GIC_PPI 15 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
index 728f82d..e4cf07a 100644
--- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
+++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
@@ -119,6 +119,29 @@
maxItems: 7
$ref: /schemas/types.yaml#/definitions/uint32-array
+ sink-vdos:
+ description: An array of u32 with each entry, a Vendor Defined Message Object (VDO),
+ providing additional information corresponding to the product, the detailed bit
+ definitions and the order of each VDO can be found in
+ "USB Power Delivery Specification Revision 3.0, Version 2.0 + ECNs 2020-12-10"
+ chapter 6.4.4.3.1 Discover Identity. User can specify the VDO array via
+ VDO_IDH/_CERT/_PRODUCT/_UFP/_DFP/_PCABLE/_ACABLE(1/2)/_VPD() defined in
+ dt-bindings/usb/pd.h.
+ minItems: 3
+ maxItems: 6
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+
+ sink-vdos-v1:
+ description: An array of u32 with each entry, a Vendor Defined Message Object (VDO),
+ providing additional information corresponding to the product, the detailed bit
+ definitions and the order of each VDO can be found in
+ "USB Power Delivery Specification Revision 2.0, Version 1.3" chapter 6.4.4.3.1 Discover
+ Identity. User can specify the VDO array via VDO_IDH/_CERT/_PRODUCT/_CABLE/_AMA defined in
+ dt-bindings/usb/pd.h.
+ minItems: 3
+ maxItems: 6
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+
op-sink-microwatt:
description: Sink required operating power in microwatt, if source can't
offer the power, Capability Mismatch is set. Required for power sink and
@@ -147,6 +170,39 @@
required:
- port@0
+ new-source-frs-typec-current:
+ description: Initial current capability of the new source when vSafe5V
+ is applied during PD3.0 Fast Role Swap. "Table 6-14 Fixed Supply PDO - Sink"
+ of "USB Power Delivery Specification Revision 3.0, Version 1.2" provides the
+ different power levels and "6.4.1.3.1.6 Fast Role Swap USB Type-C Current"
+ provides a detailed description of the field. The sink PDO from current source
+ reflects the current source's(i.e. transmitter of the FRS signal) power
+ requirement during fr swap. The current sink (i.e. receiver of the FRS signal),
+ a.k.a new source, should check if it will be able to satisfy the current source's,
+ new sink's, requirement during frswap before enabling the frs signal reception.
+ This property refers to maximum current capability that the current sink can
+ satisfy. During FRS, VBUS voltage is at 5V, as the partners are in implicit
+ contract, hence, the power level is only a function of the current capability.
+ "1" refers to default USB power level as described by "Table 6-14 Fixed Supply PDO - Sink".
+ "2" refers to 1.5A@5V.
+ "3" refers to 3.0A@5V.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [1, 2, 3]
+
+ slow-charger-loop:
+ description: Allows PMIC charger loops which are slow(i.e. cannot meet the 15ms deadline) to
+ still comply to pSnkStby i.e Maximum power that can be consumed by sink while in Sink Standby
+ state as defined in 7.4.2 Sink Electrical Parameters of USB Power Delivery Specification
+ Revision 3.0, Version 1.2. When the property is set, the port requests pSnkStby(2.5W -
+ 5V@500mA) upon entering SNK_DISCOVERY(instead of 3A or the 1.5A, Rp current advertised, during
+ SNK_DISCOVERY) and the actual currrent limit after reception of PS_Ready for PD link or during
+ SNK_READY for non-pd link.
+ type: boolean
+
+dependencies:
+ sink-vdos-v1: [ 'sink-vdos' ]
+ sink-vdos: [ 'sink-vdos-v1' ]
+
required:
- compatible
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
index 1212207..62a5e13 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
@@ -63,7 +63,7 @@
- larb: Should contain a phandle pointing to the local arbiter device as defined
in Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
- iommus: Should point to the respective IOMMU block with master port as
- argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+ argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
for details.
Examples:
diff --git a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt
index 1df2939..004584e 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.txt
@@ -25,6 +25,9 @@
Usage: required
Value type: <prop-encoded-array>
Definition: Specifies the base physical address for PDC hardware.
+ Optionally, specify the PDC's GIC interface registers that
+ need to be configured for wakeup capable GPIOs routed to
+ the PDC.
- interrupt-cells:
Usage: required
@@ -51,15 +54,23 @@
The second element is the GIC hwirq number for the PDC port.
The third element is the number of interrupts in sequence.
+- qcom,scm-spi-cfg:
+ Usage: optional
+ Value type: <bool>
+ Definition: Specifies if the SPI configuration registers have to be
+ written from the firmware. Sometimes the PDC interface
+ register to the GIC can only be written from the firmware.
+
Example:
pdc: interrupt-controller@b220000 {
compatible = "qcom,sdm845-pdc";
- reg = <0xb220000 0x30000>;
+ reg = <0 0x0b220000 0 0x30000>, <0 0x179900f0 0 0x60>;
qcom,pdc-ranges = <0 512 94>, <94 641 15>, <115 662 7>;
#interrupt-cells = <2>;
interrupt-parent = <&intc>;
interrupt-controller;
+ qcom,scm-spi-cfg;
};
DT binding of a device that wants to use the GIC SPI 514 as a wakeup
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 503160a..3b63f2a 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -28,8 +28,6 @@
- enum:
- qcom,msm8996-smmu-v2
- qcom,msm8998-smmu-v2
- - qcom,sc7180-smmu-v2
- - qcom,sdm845-smmu-v2
- const: qcom,smmu-v2
- description: Qcom SoCs implementing "arm,mmu-500"
@@ -40,6 +38,13 @@
- qcom,sm8150-smmu-500
- qcom,sm8250-smmu-500
- const: arm,mmu-500
+ - description: Qcom Adreno GPUs implementing "arm,smmu-v2"
+ items:
+ - enum:
+ - qcom,sc7180-smmu-v2
+ - qcom,sdm845-smmu-v2
+ - const: qcom,adreno-smmu
+ - const: qcom,smmu-v2
- description: Marvell SoCs implementing "arm,mmu-500"
items:
- const: marvell,ap806-smmu-500
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
deleted file mode 100644
index ac949f7..0000000
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+++ /dev/null
@@ -1,105 +0,0 @@
-* Mediatek IOMMU Architecture Implementation
-
- Some Mediatek SOCs contain a Multimedia Memory Management Unit (M4U), and
-this M4U have two generations of HW architecture. Generation one uses flat
-pagetable, and only supports 4K size page mapping. Generation two uses the
-ARM Short-Descriptor translation table format for address translation.
-
- About the M4U Hardware Block Diagram, please check below:
-
- EMI (External Memory Interface)
- |
- m4u (Multimedia Memory Management Unit)
- |
- +--------+
- | |
- gals0-rx gals1-rx (Global Async Local Sync rx)
- | |
- | |
- gals0-tx gals1-tx (Global Async Local Sync tx)
- | | Some SoCs may have GALS.
- +--------+
- |
- SMI Common(Smart Multimedia Interface Common)
- |
- +----------------+-------
- | |
- | gals-rx There may be GALS in some larbs.
- | |
- | |
- | gals-tx
- | |
- SMI larb0 SMI larb1 ... SoCs have several SMI local arbiter(larb).
- (display) (vdec)
- | |
- | |
- +-----+-----+ +----+----+
- | | | | | |
- | | |... | | | ... There are different ports in each larb.
- | | | | | |
-OVL0 RDMA0 WDMA0 MC PP VLD
-
- As above, The Multimedia HW will go through SMI and M4U while it
-access EMI. SMI is a bridge between m4u and the Multimedia HW. It contain
-smi local arbiter and smi common. It will control whether the Multimedia
-HW should go though the m4u for translation or bypass it and talk
-directly with EMI. And also SMI help control the power domain and clocks for
-each local arbiter.
- Normally we specify a local arbiter(larb) for each multimedia HW
-like display, video decode, and camera. And there are different ports
-in each larb. Take a example, There are many ports like MC, PP, VLD in the
-video decode local arbiter, all these ports are according to the video HW.
- In some SoCs, there may be a GALS(Global Async Local Sync) module between
-smi-common and m4u, and additional GALS module between smi-larb and
-smi-common. GALS can been seen as a "asynchronous fifo" which could help
-synchronize for the modules in different clock frequency.
-
-Required properties:
-- compatible : must be one of the following string:
- "mediatek,mt2701-m4u" for mt2701 which uses generation one m4u HW.
- "mediatek,mt2712-m4u" for mt2712 which uses generation two m4u HW.
- "mediatek,mt6779-m4u" for mt6779 which uses generation two m4u HW.
- "mediatek,mt7623-m4u", "mediatek,mt2701-m4u" for mt7623 which uses
- generation one m4u HW.
- "mediatek,mt8167-m4u" for mt8167 which uses generation two m4u HW.
- "mediatek,mt8173-m4u" for mt8173 which uses generation two m4u HW.
- "mediatek,mt8183-m4u" for mt8183 which uses generation two m4u HW.
-- reg : m4u register base and size.
-- interrupts : the interrupt of m4u.
-- clocks : must contain one entry for each clock-names.
-- clock-names : Only 1 optional clock:
- - "bclk": the block clock of m4u.
- Here is the list which require this "bclk":
- - mt2701, mt2712, mt7623 and mt8173.
- Note that m4u use the EMI clock which always has been enabled before kernel
- if there is no this "bclk".
-- mediatek,larbs : List of phandle to the local arbiters in the current Socs.
- Refer to bindings/memory-controllers/mediatek,smi-larb.txt. It must sort
- according to the local arbiter index, like larb0, larb1, larb2...
-- iommu-cells : must be 1. This is the mtk_m4u_id according to the HW.
- Specifies the mtk_m4u_id as defined in
- dt-binding/memory/mt2701-larb-port.h for mt2701, mt7623
- dt-binding/memory/mt2712-larb-port.h for mt2712,
- dt-binding/memory/mt6779-larb-port.h for mt6779,
- dt-binding/memory/mt8167-larb-port.h for mt8167,
- dt-binding/memory/mt8173-larb-port.h for mt8173, and
- dt-binding/memory/mt8183-larb-port.h for mt8183.
-
-Example:
- iommu: iommu@10205000 {
- compatible = "mediatek,mt8173-m4u";
- reg = <0 0x10205000 0 0x1000>;
- interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_LOW>;
- clocks = <&infracfg CLK_INFRA_M4U>;
- clock-names = "bclk";
- mediatek,larbs = <&larb0 &larb1 &larb2 &larb3 &larb4 &larb5>;
- #iommu-cells = <1>;
- };
-
-Example for a client device:
- display {
- compatible = "mediatek,mt8173-disp";
- iommus = <&iommu M4U_PORT_DISP_OVL0>,
- <&iommu M4U_PORT_DISP_RDMA0>;
- ...
- };
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
new file mode 100644
index 0000000..0f26fe1
--- /dev/null
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
@@ -0,0 +1,183 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iommu/mediatek,iommu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek IOMMU Architecture Implementation
+
+maintainers:
+ - Yong Wu <yong.wu@mediatek.com>
+
+description: |+
+ Some MediaTek SOCs contain a Multimedia Memory Management Unit (M4U), and
+ this M4U have two generations of HW architecture. Generation one uses flat
+ pagetable, and only supports 4K size page mapping. Generation two uses the
+ ARM Short-Descriptor translation table format for address translation.
+
+ About the M4U Hardware Block Diagram, please check below:
+
+ EMI (External Memory Interface)
+ |
+ m4u (Multimedia Memory Management Unit)
+ |
+ +--------+
+ | |
+ gals0-rx gals1-rx (Global Async Local Sync rx)
+ | |
+ | |
+ gals0-tx gals1-tx (Global Async Local Sync tx)
+ | | Some SoCs may have GALS.
+ +--------+
+ |
+ SMI Common(Smart Multimedia Interface Common)
+ |
+ +----------------+-------
+ | |
+ | gals-rx There may be GALS in some larbs.
+ | |
+ | |
+ | gals-tx
+ | |
+ SMI larb0 SMI larb1 ... SoCs have several SMI local arbiter(larb).
+ (display) (vdec)
+ | |
+ | |
+ +-----+-----+ +----+----+
+ | | | | | |
+ | | |... | | | ... There are different ports in each larb.
+ | | | | | |
+ OVL0 RDMA0 WDMA0 MC PP VLD
+
+ As above, The Multimedia HW will go through SMI and M4U while it
+ access EMI. SMI is a bridge between m4u and the Multimedia HW. It contain
+ smi local arbiter and smi common. It will control whether the Multimedia
+ HW should go though the m4u for translation or bypass it and talk
+ directly with EMI. And also SMI help control the power domain and clocks for
+ each local arbiter.
+
+ Normally we specify a local arbiter(larb) for each multimedia HW
+ like display, video decode, and camera. And there are different ports
+ in each larb. Take a example, There are many ports like MC, PP, VLD in the
+ video decode local arbiter, all these ports are according to the video HW.
+
+ In some SoCs, there may be a GALS(Global Async Local Sync) module between
+ smi-common and m4u, and additional GALS module between smi-larb and
+ smi-common. GALS can been seen as a "asynchronous fifo" which could help
+ synchronize for the modules in different clock frequency.
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - mediatek,mt2701-m4u # generation one
+ - mediatek,mt2712-m4u # generation two
+ - mediatek,mt6779-m4u # generation two
+ - mediatek,mt8167-m4u # generation two
+ - mediatek,mt8173-m4u # generation two
+ - mediatek,mt8183-m4u # generation two
+ - mediatek,mt8192-m4u # generation two
+
+ - description: mt7623 generation one
+ items:
+ - const: mediatek,mt7623-m4u
+ - const: mediatek,mt2701-m4u
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: bclk is the block clock.
+
+ clock-names:
+ items:
+ - const: bclk
+
+ mediatek,larbs:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ minItems: 1
+ maxItems: 32
+ description: |
+ List of phandle to the local arbiters in the current Socs.
+ Refer to bindings/memory-controllers/mediatek,smi-larb.yaml. It must sort
+ according to the local arbiter index, like larb0, larb1, larb2...
+
+ '#iommu-cells':
+ const: 1
+ description: |
+ This is the mtk_m4u_id according to the HW. Specifies the mtk_m4u_id as
+ defined in
+ dt-binding/memory/mt2701-larb-port.h for mt2701 and mt7623,
+ dt-binding/memory/mt2712-larb-port.h for mt2712,
+ dt-binding/memory/mt6779-larb-port.h for mt6779,
+ dt-binding/memory/mt8167-larb-port.h for mt8167,
+ dt-binding/memory/mt8173-larb-port.h for mt8173,
+ dt-binding/memory/mt8183-larb-port.h for mt8183,
+ dt-binding/memory/mt8192-larb-port.h for mt8192.
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - mediatek,larbs
+ - '#iommu-cells'
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt2701-m4u
+ - mediatek,mt2712-m4u
+ - mediatek,mt8173-m4u
+ - mediatek,mt8192-m4u
+
+ then:
+ required:
+ - clocks
+
+ - if:
+ properties:
+ compatible:
+ enum:
+ - mediatek,mt8192-m4u
+
+ then:
+ required:
+ - power-domains
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt8173-clk.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ iommu: iommu@10205000 {
+ compatible = "mediatek,mt8173-m4u";
+ reg = <0x10205000 0x1000>;
+ interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&infracfg CLK_INFRA_M4U>;
+ clock-names = "bclk";
+ mediatek,larbs = <&larb0 &larb1 &larb2
+ &larb3 &larb4 &larb5>;
+ #iommu-cells = <1>;
+ };
+
+ - |
+ #include <dt-bindings/memory/mt8173-larb-port.h>
+
+ /* Example for a client device */
+ display {
+ compatible = "mediatek,mt8173-disp";
+ iommus = <&iommu M4U_PORT_DISP_OVL0>,
+ <&iommu M4U_PORT_DISP_RDMA0>;
+ };
diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
index 044b119..169cf3b 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt
@@ -19,7 +19,7 @@
Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
for details.
- iommus: should point to the respective IOMMU block with master port as
- argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+ argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
for details.
Example:
diff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
index 736be7c..5e11681 100644
--- a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt
@@ -17,7 +17,7 @@
Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
for details.
- iommus: should point to the respective IOMMU block with master port as
- argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+ argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
for details.
Example:
diff --git a/Documentation/devicetree/bindings/media/mediatek-mdp.txt b/Documentation/devicetree/bindings/media/mediatek-mdp.txt
index 0d03e3a..5579783 100644
--- a/Documentation/devicetree/bindings/media/mediatek-mdp.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-mdp.txt
@@ -25,7 +25,7 @@
"mediatek,mt8173-mdp-wdma"
"mediatek,mt8173-mdp-wrot"
- iommus: should point to the respective IOMMU block with master port as
- argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+ argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
for details.
- mediatek,larb: must contain the local arbiters in the current Socs, see
Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
diff --git a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
index 8217424..a83ebc1 100644
--- a/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
+++ b/Documentation/devicetree/bindings/media/mediatek-vcodec.txt
@@ -18,7 +18,7 @@
"univpll_d2", "clk_cci400_sel", "vdec_sel", "vdecpll", "vencpll",
"venc_lt_sel", "vdec_bus_clk_src".
- iommus : should point to the respective IOMMU block with master port as
- argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+ argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
for details.
One of the two following nodes:
- mediatek,vpu : the node of the video processor unit, if using VPU.
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
deleted file mode 100644
index dbafffe..0000000
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-SMI (Smart Multimedia Interface) Common
-
-The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
-
-Mediatek SMI have two generations of HW architecture, here is the list
-which generation the SoCs use:
-generation 1: mt2701 and mt7623.
-generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183.
-
-There's slight differences between the two SMI, for generation 2, the
-register which control the iommu port is at each larb's register base. But
-for generation 1, the register is at smi ao base(smi always on register
-base). Besides that, the smi async clock should be prepared and enabled for
-SMI generation 1 to transform the smi clock into emi clock domain, but that is
-not needed for SMI generation 2.
-
-Required properties:
-- compatible : must be one of :
- "mediatek,mt2701-smi-common"
- "mediatek,mt2712-smi-common"
- "mediatek,mt6779-smi-common"
- "mediatek,mt7623-smi-common", "mediatek,mt2701-smi-common"
- "mediatek,mt8167-smi-common"
- "mediatek,mt8173-smi-common"
- "mediatek,mt8183-smi-common"
-- reg : the register and size of the SMI block.
-- power-domains : a phandle to the power domain of this local arbiter.
-- clocks : Must contain an entry for each entry in clock-names.
-- clock-names : must contain 3 entries for generation 1 smi HW and 2 entries
- for generation 2 smi HW as follows:
- - "apb" : Advanced Peripheral Bus clock, It's the clock for setting
- the register.
- - "smi" : It's the clock for transfer data and command.
- They may be the same if both source clocks are the same.
- - "async" : asynchronous clock, it help transform the smi clock into the emi
- clock domain, this clock is only needed by generation 1 smi HW.
- and these 2 option clocks for generation 2 smi HW:
- - "gals0": the path0 clock of GALS(Global Async Local Sync).
- - "gals1": the path1 clock of GALS(Global Async Local Sync).
- Here is the list which has this GALS: mt6779 and mt8183.
-
-Example:
- smi_common: smi@14022000 {
- compatible = "mediatek,mt8173-smi-common";
- reg = <0 0x14022000 0 0x1000>;
- power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
- clocks = <&mmsys CLK_MM_SMI_COMMON>,
- <&mmsys CLK_MM_SMI_COMMON>;
- clock-names = "apb", "smi";
- };
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
new file mode 100644
index 0000000..56c7831
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
@@ -0,0 +1,140 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/mediatek,smi-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SMI (Smart Multimedia Interface) Common
+
+maintainers:
+ - Yong Wu <yong.wu@mediatek.com>
+
+description: |
+ The hardware block diagram please check bindings/iommu/mediatek,iommu.yaml
+
+ MediaTek SMI have two generations of HW architecture, here is the list
+ which generation the SoCs use:
+ generation 1: mt2701 and mt7623.
+ generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183.
+
+ There's slight differences between the two SMI, for generation 2, the
+ register which control the iommu port is at each larb's register base. But
+ for generation 1, the register is at smi ao base(smi always on register
+ base). Besides that, the smi async clock should be prepared and enabled for
+ SMI generation 1 to transform the smi clock into emi clock domain, but that is
+ not needed for SMI generation 2.
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - mediatek,mt2701-smi-common
+ - mediatek,mt2712-smi-common
+ - mediatek,mt6779-smi-common
+ - mediatek,mt8167-smi-common
+ - mediatek,mt8173-smi-common
+ - mediatek,mt8183-smi-common
+
+ - description: for mt7623
+ items:
+ - const: mediatek,mt7623-smi-common
+ - const: mediatek,mt2701-smi-common
+
+ reg:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ description: |
+ apb and smi are mandatory. the async is only for generation 1 smi HW.
+ gals(global async local sync) also is optional, see below.
+ minItems: 2
+ maxItems: 4
+ items:
+ - description: apb is Advanced Peripheral Bus clock, It's the clock for
+ setting the register.
+ - description: smi is the clock for transfer data and command.
+ - description: async is asynchronous clock, it help transform the smi
+ clock into the emi clock domain.
+ - description: gals0 is the path0 clock of gals.
+ - description: gals1 is the path1 clock of gals.
+
+ clock-names:
+ minItems: 2
+ maxItems: 4
+
+required:
+ - compatible
+ - reg
+ - power-domains
+ - clocks
+ - clock-names
+
+allOf:
+ - if: # only for gen1 HW
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt2701-smi-common
+ then:
+ properties:
+ clock:
+ items:
+ minItems: 3
+ maxItems: 3
+ clock-names:
+ items:
+ - const: apb
+ - const: smi
+ - const: async
+
+ - if: # for gen2 HW that have gals
+ properties:
+ compatible:
+ enum:
+ - mediatek,mt6779-smi-common
+ - mediatek,mt8183-smi-common
+
+ then:
+ properties:
+ clock:
+ items:
+ minItems: 4
+ maxItems: 4
+ clock-names:
+ items:
+ - const: apb
+ - const: smi
+ - const: gals0
+ - const: gals1
+
+ else: # for gen2 HW that don't have gals
+ properties:
+ clock:
+ items:
+ minItems: 2
+ maxItems: 2
+ clock-names:
+ items:
+ - const: apb
+ - const: smi
+
+additionalProperties: false
+
+examples:
+ - |+
+ #include <dt-bindings/clock/mt8173-clk.h>
+ #include <dt-bindings/power/mt8173-power.h>
+
+ smi_common: smi@14022000 {
+ compatible = "mediatek,mt8173-smi-common";
+ reg = <0x14022000 0x1000>;
+ power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
+ clocks = <&mmsys CLK_MM_SMI_COMMON>,
+ <&mmsys CLK_MM_SMI_COMMON>;
+ clock-names = "apb", "smi";
+ };
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
deleted file mode 100644
index 0c5de12..0000000
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-SMI (Smart Multimedia Interface) Local Arbiter
-
-The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
-
-Required properties:
-- compatible : must be one of :
- "mediatek,mt2701-smi-larb"
- "mediatek,mt2712-smi-larb"
- "mediatek,mt6779-smi-larb"
- "mediatek,mt7623-smi-larb", "mediatek,mt2701-smi-larb"
- "mediatek,mt8167-smi-larb"
- "mediatek,mt8173-smi-larb"
- "mediatek,mt8183-smi-larb"
-- reg : the register and size of this local arbiter.
-- mediatek,smi : a phandle to the smi_common node.
-- power-domains : a phandle to the power domain of this local arbiter.
-- clocks : Must contain an entry for each entry in clock-names.
-- clock-names: must contain 2 entries, as follows:
- - "apb" : Advanced Peripheral Bus clock, It's the clock for setting
- the register.
- - "smi" : It's the clock for transfer data and command.
- and this optional clock name:
- - "gals": the clock for GALS(Global Async Local Sync).
- Here is the list which has this GALS: mt8183.
-
-Required property for mt2701, mt2712, mt6779, mt7623 and mt8167:
-- mediatek,larb-id :the hardware id of this larb.
-
-Example:
- larb1: larb@16010000 {
- compatible = "mediatek,mt8173-smi-larb";
- reg = <0 0x16010000 0 0x1000>;
- mediatek,smi = <&smi_common>;
- power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>;
- clocks = <&vdecsys CLK_VDEC_CKEN>,
- <&vdecsys CLK_VDEC_LARB_CKEN>;
- clock-names = "apb", "smi";
- };
-
-Example for mt2701:
- larb0: larb@14010000 {
- compatible = "mediatek,mt2701-smi-larb";
- reg = <0 0x14010000 0 0x1000>;
- mediatek,smi = <&smi_common>;
- mediatek,larb-id = <0>;
- clocks = <&mmsys CLK_MM_SMI_LARB0>,
- <&mmsys CLK_MM_SMI_LARB0>;
- clock-names = "apb", "smi";
- power-domains = <&scpsys MT2701_POWER_DOMAIN_DISP>;
- };
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
new file mode 100644
index 0000000..06b623b
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
@@ -0,0 +1,130 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/mediatek,smi-larb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SMI (Smart Multimedia Interface) Local Arbiter
+
+maintainers:
+ - Yong Wu <yong.wu@mediatek.com>
+
+description: |
+ The hardware block diagram please check bindings/iommu/mediatek,iommu.yaml
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - mediatek,mt2701-smi-larb
+ - mediatek,mt2712-smi-larb
+ - mediatek,mt6779-smi-larb
+ - mediatek,mt8167-smi-larb
+ - mediatek,mt8173-smi-larb
+ - mediatek,mt8183-smi-larb
+
+ - description: for mt7623
+ items:
+ - const: mediatek,mt7623-smi-larb
+ - const: mediatek,mt2701-smi-larb
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ description: |
+ apb and smi are mandatory. gals(global async local sync) is optional.
+ minItems: 2
+ maxItems: 3
+ items:
+ - description: apb is Advanced Peripheral Bus clock, It's the clock for
+ setting the register.
+ - description: smi is the clock for transfer data and command.
+ - description: the clock for gals.
+
+ clock-names:
+ minItems: 2
+ maxItems: 3
+
+ power-domains:
+ maxItems: 1
+
+ mediatek,smi:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description: a phandle to the smi_common node.
+
+ mediatek,larb-id:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 31
+ description: the hardware id of this larb. It's only required when this
+ hardward id is not consecutive from its M4U point of view.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - power-domains
+
+allOf:
+ - if: # HW has gals
+ properties:
+ compatible:
+ enum:
+ - mediatek,mt8183-smi-larb
+
+ then:
+ properties:
+ clock:
+ items:
+ minItems: 3
+ maxItems: 3
+ clock-names:
+ items:
+ - const: apb
+ - const: smi
+ - const: gals
+
+ else:
+ properties:
+ clock:
+ items:
+ minItems: 2
+ maxItems: 2
+ clock-names:
+ items:
+ - const: apb
+ - const: smi
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt2701-smi-larb
+ - mediatek,mt2712-smi-larb
+ - mediatek,mt6779-smi-larb
+ - mediatek,mt8167-smi-larb
+
+ then:
+ required:
+ - mediatek,larb-id
+
+additionalProperties: false
+
+examples:
+ - |+
+ #include <dt-bindings/clock/mt8173-clk.h>
+ #include <dt-bindings/power/mt8173-power.h>
+
+ larb1: larb@16010000 {
+ compatible = "mediatek,mt8173-smi-larb";
+ reg = <0x16010000 0x1000>;
+ mediatek,smi = <&smi_common>;
+ power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>;
+ clocks = <&vdecsys CLK_VDEC_CKEN>,
+ <&vdecsys CLK_VDEC_LARB_CKEN>;
+ clock-names = "apb", "smi";
+ };
diff --git a/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml
new file mode 100644
index 0000000..1fc3b19
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2019 Linaro Ltd.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/misc/hisilicon-hikey-usb.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: HiKey960 onboard USB GPIO Hub
+
+maintainers:
+ - John Stultz <john.stultz@linaro.org>
+
+description: |
+ Supports the onboard HiKey960 USB GPIO hub, which acts as a
+ role-switch intermediary to detect the state of the USB-C
+ port, to switch the hub into dual-role USB-C or host mode,
+ which enables the onboard USB-A host ports.
+
+ Schematics about the hub can be found here:
+ https://github.com/96boards/documentation/raw/master/consumer/hikey/hikey960/hardware-docs/HiKey960_Schematics.pdf
+
+properties:
+ compatible:
+ items:
+ - const: hisilicon,gpio_hubv1
+
+ typec-vbus-gpios:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle to the typec-vbus gpio
+
+ otg-switch-gpios:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle to the otg-switch gpio
+
+ hub-vdd33-en-gpios:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: phandle to the hub 3.3v power enablement gpio
+
+ usb-role-switch:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: Support role switch.
+
+ port:
+ description: |
+ any connector to the data bus of this controller should be modelled
+ using the OF graph bindings specified, if the "usb-role-switch"
+ property is used. Note for this driver, two ports are supported,
+ the first being the endpoint that will be notified by this driver,
+ and the second being the endpoint that notifies this driver of a
+ role switch.
+
+
+required:
+ - compatible
+ - typec-vbus-gpios
+ - otg-switch-gpios
+ - hub-vdd33-en-gpios
+ - usb-role-switch
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ hisi_hikey_usb: hisi_hikey_usb {
+ compatible = "hisilicon,gpio_hubv1";
+ typec-vbus-gpios = <&gpio25 2 GPIO_ACTIVE_HIGH>;
+ otg-switch-gpios = <&gpio25 6 GPIO_ACTIVE_HIGH>;
+ hub-vdd33-en-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
+ usb-role-switch;
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hikey_usb_ep0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&dwc3_role_switch>;
+ };
+ hikey_usb_ep1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&rt1711h_ep>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index 3b602fd..4f2e138 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -30,10 +30,12 @@
- SD Core register map (required for controllers earlier than msm-v5)
- CQE register map (Optional, CQE support is present on SDHC instance meant
for eMMC and version v4.2 and above)
+ - Inline Crypto Engine register map (optional)
- reg-names: When CQE register map is supplied, below reg-names are required
- "hc" for Host controller register map
- "core" for SD core register map
- "cqhci" for CQE register map
+ - "ice" for Inline Crypto Engine register map (optional)
- interrupts: Should contain an interrupt-specifiers for the interrupts:
- Host controller interrupt (required)
- pinctrl-names: Should contain only one value - "default".
@@ -46,6 +48,7 @@
"xo" - TCXO clock (optional)
"cal" - reference clock for RCLK delay calibration (optional)
"sleep" - sleep clock for RCLK delay calibration (optional)
+ "ice" - clock for Inline Crypto Engine (optional)
- qcom,ddr-config: Certain chipsets and platforms require particular settings
for the DDR_CONFIG register. Use this field to specify the register
diff --git a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
index b7886fe..6f1cb20 100644
--- a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
+++ b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
@@ -42,8 +42,14 @@
- pmsg-size: size in bytes of log buffer reserved for userspace messages
(defaults to 0: disabled)
-- unbuffered: if present, use unbuffered mappings to map the reserved region
- (defaults to buffered mappings)
+- mem-type: if present, sets the type of mapping is to be used to map the
+ reserved region. mem-type: 0 = write-combined (default), 1 = unbuffered,
+ 2 = cached.
+
+- unbuffered: deprecated, use mem_type instead. if present, and mem_type is
+ not specified, it is equivalent to mem_type = 1 and uses unbuffered mappings
+ to map the reserved region (defaults to buffered mappings mem_type = 0). If
+ both are specified -- "mem_type" overrides "unbuffered".
- max-reason: if present, sets maximum type of kmsg dump reasons to store
(defaults to 2: log Oopses and Panics). This can be set to INT_MAX to
diff --git a/Documentation/devicetree/bindings/sound/hisilicon,hi3660-i2s.txt b/Documentation/devicetree/bindings/sound/hisilicon,hi3660-i2s.txt
new file mode 100644
index 0000000..654c234
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/hisilicon,hi3660-i2s.txt
@@ -0,0 +1,49 @@
+* Hisilicon 6210 i2s controller
+
+Required properties:
+
+- compatible: should be one of the following:
+ - "hisilicon,hi3660-i2s-1.0"
+- reg: physical base address of the i2s controller unit and length of
+ memory mapped region.
+- interrupts: should contain the i2s interrupt.
+- clocks: a list of phandle + clock-specifier pairs, one for each entry
+ in clock-names.
+- clock-names: should contain following:
+ - "dacodec"
+ - "i2s-base"
+- dmas: DMA specifiers for tx dma. See the DMA client binding,
+ Documentation/devicetree/bindings/dma/dma.txt
+- dma-names: should be "tx" and "rx"
+- hisilicon,sysctrl-syscon: phandle to sysctrl syscon
+- #sound-dai-cells: Should be set to 1 (for multi-dai)
+
+Example for the hi3660 i2s controller:
+
+ i2s2: hisi_i2s {
+ compatible = "hisilicon,hi3660-i2s-1.0";
+ reg = <0x0 0xe804f800 0x0 0x400>,
+ <0x0 0xe804e000 0x0 0x400>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2s2_pmx_func &i2s2_cfg_func>;
+ dmas = <&asp_dmac 18 &asp_dmac 19>;
+ dma-names = "rx", "tx";
+ #sound-dai-cells = <0>;
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "hikey-hdmi";
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,bitclock-master = <&sound_master>;
+ simple-audio-card,frame-master = <&sound_master>;
+
+ sound_master: simple-audio-card,cpu {
+ sound-dai = <&i2s2>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&adv7533>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
deleted file mode 100644
index 1aae2b6..0000000
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ /dev/null
@@ -1,128 +0,0 @@
-synopsys DWC3 CORE
-
-DWC3- USB3 CONTROLLER. Complies to the generic USB binding properties
- as described in 'usb/generic.txt'
-
-Required properties:
- - compatible: must be "snps,dwc3"
- - reg : Address and length of the register set for the device
- - interrupts: Interrupts used by the dwc3 controller.
- - clock-names: list of clock names. Ideally should be "ref",
- "bus_early", "suspend" but may be less or more.
- - clocks: list of phandle and clock specifier pairs corresponding to
- entries in the clock-names property.
-
-Exception for clocks:
- clocks are optional if the parent node (i.e. glue-layer) is compatible to
- one of the following:
- "cavium,octeon-7130-usb-uctl"
- "qcom,dwc3"
- "samsung,exynos5250-dwusb3"
- "samsung,exynos5433-dwusb3"
- "samsung,exynos7-dwusb3"
- "sprd,sc9860-dwc3"
- "st,stih407-dwc3"
- "ti,am437x-dwc3"
- "ti,dwc3"
- "ti,keystone-dwc3"
- "rockchip,rk3399-dwc3"
- "xlnx,zynqmp-dwc3"
-
-Optional properties:
- - usb-phy : array of phandle for the PHY device. The first element
- in the array is expected to be a handle to the USB2/HS PHY and
- the second element is expected to be a handle to the USB3/SS PHY
- - phys: from the *Generic PHY* bindings
- - phy-names: from the *Generic PHY* bindings; supported names are "usb2-phy"
- or "usb3-phy".
- - resets: set of phandle and reset specifier pairs
- - snps,usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM
- - snps,usb3_lpm_capable: determines if platform is USB3 LPM capable
- - snps,dis-start-transfer-quirk: when set, disable isoc START TRANSFER command
- failure SW work-around for DWC_usb31 version 1.70a-ea06
- and prior.
- - snps,disable_scramble_quirk: true when SW should disable data scrambling.
- Only really useful for FPGA builds.
- - snps,has-lpm-erratum: true when DWC3 was configured with LPM Erratum enabled
- - snps,lpm-nyet-threshold: LPM NYET threshold
- - snps,u2exit_lfps_quirk: set if we want to enable u2exit lfps quirk
- - snps,u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk
- - snps,req_p1p2p3_quirk: when set, the core will always request for
- P1/P2/P3 transition sequence.
- - snps,del_p1p2p3_quirk: when set core will delay P1/P2/P3 until a certain
- amount of 8B10B errors occur.
- - snps,del_phy_power_chg_quirk: when set core will delay PHY power change
- from P0 to P1/P2/P3.
- - snps,lfps_filter_quirk: when set core will filter LFPS reception.
- - snps,rx_detect_poll_quirk: when set core will disable a 400us delay to start
- Polling LFPS after RX.Detect.
- - snps,tx_de_emphasis_quirk: when set core will set Tx de-emphasis value.
- - snps,tx_de_emphasis: the value driven to the PHY is controlled by the
- LTSSM during USB3 Compliance mode.
- - snps,dis_u3_susphy_quirk: when set core will disable USB3 suspend phy.
- - snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy.
- - snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG,
- disabling the suspend signal to the PHY.
- - snps,dis-u1-entry-quirk: set if link entering into U1 needs to be disabled.
- - snps,dis-u2-entry-quirk: set if link entering into U2 needs to be disabled.
- - snps,dis_rxdet_inp3_quirk: when set core will disable receiver detection
- in PHY P3 power state.
- - snps,dis-u2-freeclk-exists-quirk: when set, clear the u2_freeclk_exists
- in GUSB2PHYCFG, specify that USB2 PHY doesn't provide
- a free-running PHY clock.
- - snps,dis-del-phy-power-chg-quirk: when set core will change PHY power
- from P0 to P1/P2/P3 without delay.
- - snps,dis-tx-ipgap-linecheck-quirk: when set, disable u2mac linestate check
- during HS transmit.
- - snps,parkmode-disable-ss-quirk: when set, all SuperSpeed bus instances in
- park mode are disabled.
- - snps,dis_metastability_quirk: when set, disable metastability workaround.
- CAUTION: use only if you are absolutely sure of it.
- - snps,dis-split-quirk: when set, change the way URBs are handled by the
- driver. Needed to avoid -EPROTO errors with usbhid
- on some devices (Hikey 970).
- - snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
- utmi_l1_suspend_n, false when asserts utmi_sleep_n
- - snps,hird-threshold: HIRD threshold
- - snps,hsphy_interface: High-Speed PHY interface selection between "utmi" for
- UTMI+ and "ulpi" for ULPI when the DWC_USB3_HSPHY_INTERFACE has value 3.
- - snps,quirk-frame-length-adjustment: Value for GFLADJ_30MHZ field of GFLADJ
- register for post-silicon frame length adjustment when the
- fladj_30mhz_sdbnd signal is invalid or incorrect.
- - snps,rx-thr-num-pkt-prd: periodic ESS RX packet threshold count - host mode
- only. Set this and rx-max-burst-prd to a valid,
- non-zero value 1-16 (DWC_usb31 programming guide
- section 1.2.4) to enable periodic ESS RX threshold.
- - snps,rx-max-burst-prd: max periodic ESS RX burst size - host mode only. Set
- this and rx-thr-num-pkt-prd to a valid, non-zero value
- 1-16 (DWC_usb31 programming guide section 1.2.4) to
- enable periodic ESS RX threshold.
- - snps,tx-thr-num-pkt-prd: periodic ESS TX packet threshold count - host mode
- only. Set this and tx-max-burst-prd to a valid,
- non-zero value 1-16 (DWC_usb31 programming guide
- section 1.2.3) to enable periodic ESS TX threshold.
- - snps,tx-max-burst-prd: max periodic ESS TX burst size - host mode only. Set
- this and tx-thr-num-pkt-prd to a valid, non-zero value
- 1-16 (DWC_usb31 programming guide section 1.2.3) to
- enable periodic ESS TX threshold.
-
- - <DEPRECATED> tx-fifo-resize: determines if the FIFO *has* to be reallocated.
- - snps,incr-burst-type-adjustment: Value for INCR burst type of GSBUSCFG0
- register, undefined length INCR burst type enable and INCRx type.
- When just one value, which means INCRX burst mode enabled. When
- more than one value, which means undefined length INCR burst type
- enabled. The values can be 1, 4, 8, 16, 32, 64, 128 and 256.
-
- - in addition all properties from usb-xhci.txt from the current directory are
- supported as well
-
-
-This is usually a subnode to DWC3 glue to which it is connected.
-
-dwc3@4a030000 {
- compatible = "snps,dwc3";
- reg = <0x4a030000 0xcfff>;
- interrupts = <0 92 4>
- usb-phy = <&usb2_phy>, <&usb3,phy>;
- snps,incr-burst-type-adjustment = <1>, <4>, <8>, <16>;
-};
diff --git a/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
new file mode 100644
index 0000000..cb4c6f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/fsl,imx8mp-dwc3.yaml
@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 NXP
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/fsl,imx8mp-dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP iMX8MP Soc USB Controller
+
+maintainers:
+ - Li Jun <jun.li@nxp.com>
+
+properties:
+ compatible:
+ const: fsl,imx8mp-dwc3
+
+ reg:
+ maxItems: 1
+ description: Address and length of the register set for the wrapper of
+ dwc3 core on the SOC.
+
+ "#address-cells":
+ enum: [ 1, 2 ]
+
+ "#size-cells":
+ enum: [ 1, 2 ]
+
+ dma-ranges:
+ description:
+ See section 2.3.9 of the DeviceTree Specification.
+
+ ranges: true
+
+ interrupts:
+ maxItems: 1
+ description: The interrupt that is asserted when a wakeup event is
+ received.
+
+ clocks:
+ description:
+ A list of phandle and clock-specifier pairs for the clocks
+ listed in clock-names.
+ items:
+ - description: system hsio root clock.
+ - description: suspend clock, used for usb wakeup logic.
+
+ clock-names:
+ items:
+ - const: hsio
+ - const: suspend
+
+# Required child node:
+
+patternProperties:
+ "^dwc3@[0-9a-f]+$":
+ type: object
+ description:
+ A child node must exist to represent the core DWC3 IP block
+ The content of the node is defined in dwc3.txt.
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - dma-ranges
+ - ranges
+ - clocks
+ - clock-names
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mp-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ usb3_0: usb@32f10100 {
+ compatible = "fsl,imx8mp-dwc3";
+ reg = <0x32f10100 0x8>;
+ clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
+ <&clk IMX8MP_CLK_USB_ROOT>;
+ clock-names = "hsio", "suspend";
+ interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ dma-ranges = <0x40000000 0x40000000 0xc0000000>;
+ ranges;
+
+ dwc3@38100000 {
+ compatible = "snps,dwc3";
+ reg = <0x38100000 0x10000>;
+ clocks = <&clk IMX8MP_CLK_HSIO_AXI>,
+ <&clk IMX8MP_CLK_USB_CORE_REF>,
+ <&clk IMX8MP_CLK_USB_ROOT>;
+ clock-names = "bus_early", "ref", "suspend";
+ assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>;
+ assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>;
+ assigned-clock-rates = <500000000>;
+ interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb3_phy0>, <&usb3_phy0>;
+ phy-names = "usb2-phy", "usb3-phy";
+ snps,dis-u2-freeclk-exists-quirk;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/usb/generic.txt b/Documentation/devicetree/bindings/usb/generic.txt
deleted file mode 100644
index ba472e7..0000000
--- a/Documentation/devicetree/bindings/usb/generic.txt
+++ /dev/null
@@ -1,57 +0,0 @@
-Generic USB Properties
-
-Optional properties:
- - maximum-speed: tells USB controllers we want to work up to a certain
- speed. Valid arguments are "super-speed-plus",
- "super-speed", "high-speed", "full-speed" and
- "low-speed". In case this isn't passed via DT, USB
- controllers should default to their maximum HW
- capability.
- - dr_mode: tells Dual-Role USB controllers that we want to work on a
- particular mode. Valid arguments are "host",
- "peripheral" and "otg". In case this attribute isn't
- passed via DT, USB DRD controllers should default to
- OTG.
- - phy_type: tells USB controllers that we want to configure the core to support
- a UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is
- selected. Valid arguments are "utmi" and "utmi_wide".
- In case this isn't passed via DT, USB controllers should
- default to HW capability.
- - otg-rev: tells usb driver the release number of the OTG and EH supplement
- with which the device and its descriptors are compliant,
- in binary-coded decimal (i.e. 2.0 is 0200H). This
- property is used if any real OTG features(HNP/SRP/ADP)
- is enabled, if ADP is required, otg-rev should be
- 0x0200 or above.
- - companion: phandle of a companion
- - hnp-disable: tells OTG controllers we want to disable OTG HNP, normally HNP
- is the basic function of real OTG except you want it
- to be a srp-capable only B device.
- - srp-disable: tells OTG controllers we want to disable OTG SRP, SRP is
- optional for OTG device.
- - adp-disable: tells OTG controllers we want to disable OTG ADP, ADP is
- optional for OTG device.
- - usb-role-switch: boolean, indicates that the device is capable of assigning
- the USB data role (USB host or USB device) for a given
- USB connector, such as Type-C, Type-B(micro).
- see connector/usb-connector.yaml.
- - role-switch-default-mode: indicating if usb-role-switch is enabled, the
- device default operation mode of controller while usb
- role is USB_ROLE_NONE. Valid arguments are "host" and
- "peripheral". Defaults to "peripheral" if not
- specified.
-
-
-This is an attribute to a USB controller such as:
-
-dwc3@4a030000 {
- compatible = "synopsys,dwc3";
- reg = <0x4a030000 0xcfff>;
- interrupts = <0 92 4>
- usb-phy = <&usb2_phy>, <&usb3,phy>;
- maximum-speed = "super-speed";
- dr_mode = "otg";
- phy_type = "utmi_wide";
- otg-rev = <0x0200>;
- adp-disable;
-};
diff --git a/Documentation/devicetree/bindings/usb/maxim,max33359.yaml b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
new file mode 100644
index 0000000..93a19ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/maxim,max33359.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Maxim TCPCI Type-C PD controller DT bindings
+
+maintainers:
+ - Badhri Jagan Sridharan <badhri@google.com>
+
+description: Maxim TCPCI Type-C PD controller
+
+properties:
+ compatible:
+ enum:
+ - maxim,max33359
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ connector:
+ type: object
+ $ref: ../connector/usb-connector.yaml#
+ description:
+ Properties for usb c connector.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - connector
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/usb/pd.h>
+ i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ maxtcpc@25 {
+ compatible = "maxim,max33359";
+ reg = <0x25>;
+ interrupt-parent = <&gpa8>;
+ interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+
+ connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ data-role = "dual";
+ power-role = "dual";
+ try-power-role = "sink";
+ self-powered;
+ op-sink-microwatt = <2600000>;
+ new-source-frs-typec-current = <FRS_5V_1P5A>;
+ source-pdos = <PDO_FIXED(5000, 900,
+ PDO_FIXED_SUSPEND |
+ PDO_FIXED_USB_COMM |
+ PDO_FIXED_DATA_SWAP |
+ PDO_FIXED_DUAL_ROLE)>;
+ sink-pdos = <PDO_FIXED(5000, 3000,
+ PDO_FIXED_USB_COMM |
+ PDO_FIXED_DATA_SWAP |
+ PDO_FIXED_DUAL_ROLE)
+ PDO_FIXED(9000, 2000, 0)>;
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
index 2cf525d..08e2abd 100644
--- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
@@ -17,6 +17,10 @@
- qcom,msm8998-dwc3
- qcom,sc7180-dwc3
- qcom,sdm845-dwc3
+ - qcom,sdx55-dwc3
+ - qcom,sm8150-dwc3
+ - qcom,sm8250-dwc3
+ - qcom,sm8350-dwc3
- const: qcom,dwc3
reg:
diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
new file mode 100644
index 0000000..3091a43
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -0,0 +1,323 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/snps,dwc3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare USB3 Controller
+
+maintainers:
+ - Felipe Balbi <balbi@kernel.org>
+
+description:
+ This is usually a subnode to DWC3 glue to which it is connected, but can also
+ be presented as a standalone DT node with an optional vendor-specific
+ compatible string.
+
+allOf:
+ - $ref: usb-drd.yaml#
+ - if:
+ properties:
+ dr_mode:
+ const: peripheral
+
+ required:
+ - dr_mode
+ then:
+ $ref: usb.yaml#
+ else:
+ $ref: usb-xhci.yaml#
+
+properties:
+ compatible:
+ contains:
+ const: snps,dwc3
+
+ interrupts:
+ minItems: 1
+ maxItems: 3
+
+ clocks:
+ description:
+ In general the core supports three types of clocks. bus_early is a
+ SoC Bus Clock (AHB/AXI/Native). ref generates ITP when the UTMI/ULPI
+ PHY is suspended. suspend clocks a small part of the USB3 core when
+ SS PHY in P3. But particular cases may differ from that having less
+ or more clock sources with another names.
+
+ clock-names:
+ contains:
+ anyOf:
+ - enum: [bus_early, ref, suspend]
+ - true
+
+ usb-phy:
+ minItems: 1
+ items:
+ - description: USB2/HS PHY
+ - description: USB3/SS PHY
+
+ phys:
+ minItems: 1
+ items:
+ - description: USB2/HS PHY
+ - description: USB3/SS PHY
+
+ phy-names:
+ minItems: 1
+ items:
+ - const: usb2-phy
+ - const: usb3-phy
+
+ resets:
+ minItems: 1
+
+ snps,usb2-lpm-disable:
+ description: Indicate if we don't want to enable USB2 HW LPM
+ type: boolean
+
+ snps,usb3_lpm_capable:
+ description: Determines if platform is USB3 LPM capable
+ type: boolean
+
+ snps,dis-start-transfer-quirk:
+ description:
+ When set, disable isoc START TRANSFER command failure SW work-around
+ for DWC_usb31 version 1.70a-ea06 and prior.
+ type: boolean
+
+ snps,disable_scramble_quirk:
+ description:
+ True when SW should disable data scrambling. Only really useful for FPGA
+ builds.
+ type: boolean
+
+ snps,has-lpm-erratum:
+ description: True when DWC3 was configured with LPM Erratum enabled
+ type: boolean
+
+ snps,lpm-nyet-threshold:
+ description: LPM NYET threshold
+ $ref: /schemas/types.yaml#/definitions/uint8
+
+ snps,u2exit_lfps_quirk:
+ description: Set if we want to enable u2exit lfps quirk
+ type: boolean
+
+ snps,u2ss_inp3_quirk:
+ description: Set if we enable P3 OK for U2/SS Inactive quirk
+ type: boolean
+
+ snps,req_p1p2p3_quirk:
+ description:
+ When set, the core will always request for P1/P2/P3 transition sequence.
+ type: boolean
+
+ snps,del_p1p2p3_quirk:
+ description:
+ When set core will delay P1/P2/P3 until a certain amount of 8B10B errors
+ occur.
+ type: boolean
+
+ snps,del_phy_power_chg_quirk:
+ description: When set core will delay PHY power change from P0 to P1/P2/P3.
+ type: boolean
+
+ snps,lfps_filter_quirk:
+ description: When set core will filter LFPS reception.
+ type: boolean
+
+ snps,rx_detect_poll_quirk:
+ description:
+ when set core will disable a 400us delay to start Polling LFPS after
+ RX.Detect.
+ type: boolean
+
+ snps,tx_de_emphasis_quirk:
+ description: When set core will set Tx de-emphasis value
+ type: boolean
+
+ snps,tx_de_emphasis:
+ description:
+ The value driven to the PHY is controlled by the LTSSM during USB3
+ Compliance mode.
+ $ref: /schemas/types.yaml#/definitions/uint8
+
+ snps,dis_u3_susphy_quirk:
+ description: When set core will disable USB3 suspend phy
+ type: boolean
+
+ snps,dis_u2_susphy_quirk:
+ description: When set core will disable USB2 suspend phy
+ type: boolean
+
+ snps,dis_enblslpm_quirk:
+ description:
+ When set clears the enblslpm in GUSB2PHYCFG, disabling the suspend signal
+ to the PHY.
+ type: boolean
+
+ snps,dis-u1-entry-quirk:
+ description: Set if link entering into U1 needs to be disabled
+ type: boolean
+
+ snps,dis-u2-entry-quirk:
+ description: Set if link entering into U2 needs to be disabled
+ type: boolean
+
+ snps,dis_rxdet_inp3_quirk:
+ description:
+ When set core will disable receiver detection in PHY P3 power state.
+ type: boolean
+
+ snps,dis-u2-freeclk-exists-quirk:
+ description:
+ When set, clear the u2_freeclk_exists in GUSB2PHYCFG, specify that USB2
+ PHY doesn't provide a free-running PHY clock.
+ type: boolean
+
+ snps,dis-del-phy-power-chg-quirk:
+ description:
+ When set core will change PHY power from P0 to P1/P2/P3 without delay.
+ type: boolean
+
+ snps,dis-tx-ipgap-linecheck-quirk:
+ description: When set, disable u2mac linestate check during HS transmit
+ type: boolean
+
+ snps,parkmode-disable-ss-quirk:
+ description:
+ When set, all SuperSpeed bus instances in park mode are disabled.
+ type: boolean
+
+ snps,dis_metastability_quirk:
+ description:
+ When set, disable metastability workaround. CAUTION! Use only if you are
+ absolutely sure of it.
+ type: boolean
+
+ snps,dis-split-quirk:
+ description:
+ When set, change the way URBs are handled by the driver. Needed to
+ avoid -EPROTO errors with usbhid on some devices (Hikey 970).
+ type: boolean
+
+ snps,is-utmi-l1-suspend:
+ description:
+ True when DWC3 asserts output signal utmi_l1_suspend_n, false when
+ asserts utmi_sleep_n.
+ type: boolean
+
+ snps,hird-threshold:
+ description: HIRD threshold
+ $ref: /schemas/types.yaml#/definitions/uint8
+
+ snps,hsphy_interface:
+ description:
+ High-Speed PHY interface selection between UTMI+ and ULPI when the
+ DWC_USB3_HSPHY_INTERFACE has value 3.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ enum: [utmi, ulpi]
+
+ snps,quirk-frame-length-adjustment:
+ description:
+ Value for GFLADJ_30MHZ field of GFLADJ register for post-silicon frame
+ length adjustment when the fladj_30mhz_sdbnd signal is invalid or
+ incorrect.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+ snps,rx-thr-num-pkt-prd:
+ description:
+ Periodic ESS RX packet threshold count (host mode only). Set this and
+ snps,rx-max-burst-prd to a valid, non-zero value 1-16 (DWC_usb31
+ programming guide section 1.2.4) to enable periodic ESS RX threshold.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ minimum: 1
+ maximum: 16
+
+ snps,rx-max-burst-prd:
+ description:
+ Max periodic ESS RX burst size (host mode only). Set this and
+ snps,rx-thr-num-pkt-prd to a valid, non-zero value 1-16 (DWC_usb31
+ programming guide section 1.2.4) to enable periodic ESS RX threshold.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ minimum: 1
+ maximum: 16
+
+ snps,tx-thr-num-pkt-prd:
+ description:
+ Periodic ESS TX packet threshold count (host mode only). Set this and
+ snps,tx-max-burst-prd to a valid, non-zero value 1-16 (DWC_usb31
+ programming guide section 1.2.3) to enable periodic ESS TX threshold.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ minimum: 1
+ maximum: 16
+
+ snps,tx-max-burst-prd:
+ description:
+ Max periodic ESS TX burst size (host mode only). Set this and
+ snps,tx-thr-num-pkt-prd to a valid, non-zero value 1-16 (DWC_usb31
+ programming guide section 1.2.3) to enable periodic ESS TX threshold.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ minimum: 1
+ maximum: 16
+
+ tx-fifo-resize:
+ description: Determines if the TX fifos can be dynamically resized depending
+ on the number of IN endpoints used and if bursting is supported. This
+ may help improve bandwidth on platforms with higher system latencies, as
+ increased fifo space allows for the controller to prefetch data into its
+ internal memory.
+ type: boolean
+
+ tx-fifo-max-num:
+ description: Specifies the max number of packets the txfifo resizing logic
+ can account for when higher endpoint bursting is used. (bMaxBurst > 6) The
+ higher the number, the more fifo space the txfifo resizing logic will
+ allocate for that endpoint.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ minimum: 3
+
+ snps,incr-burst-type-adjustment:
+ description:
+ Value for INCR burst type of GSBUSCFG0 register, undefined length INCR
+ burst type enable and INCRx type. A single value means INCRX burst mode
+ enabled. If more than one value specified, undefined length INCR burst
+ type will be enabled with burst lengths utilized up to the maximum
+ of the values passed in this property.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ maxItems: 8
+ uniqueItems: true
+ items:
+ enum: [1, 4, 8, 16, 32, 64, 128, 256]
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+examples:
+ - |
+ usb@4a030000 {
+ compatible = "snps,dwc3";
+ reg = <0x4a030000 0xcfff>;
+ interrupts = <0 92 4>;
+ usb-phy = <&usb2_phy>, <&usb3_phy>;
+ snps,incr-burst-type-adjustment = <1>, <4>, <8>, <16>;
+ };
+ - |
+ usb@4a000000 {
+ compatible = "snps,dwc3";
+ reg = <0x4a000000 0xcfff>;
+ interrupts = <0 92 4>;
+ clocks = <&clk 1>, <&clk 2>, <&clk 3>;
+ clock-names = "bus_early", "ref", "suspend";
+ phys = <&usb2_phy>, <&usb3_phy>;
+ phy-names = "usb2-phy", "usb3-phy";
+ snps,dis_u2_susphy_quirk;
+ snps,dis_enblslpm_quirk;
+ };
+...
diff --git a/Documentation/devicetree/bindings/usb/usb-drd.yaml b/Documentation/devicetree/bindings/usb/usb-drd.yaml
new file mode 100644
index 0000000..f3a64c4
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb-drd.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/usb-drd.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic USB OTG Controller Device Tree Bindings
+
+maintainers:
+ - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+properties:
+ otg-rev:
+ description:
+ Tells usb driver the release number of the OTG and EH supplement with
+ which the device and its descriptors are compliant, in binary-coded
+ decimal (i.e. 2.0 is 0200H). This property is used if any real OTG
+ features (HNP/SRP/ADP) is enabled. If ADP is required, otg-rev should be
+ 0x0200 or above.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+ dr_mode:
+ description:
+ Tells Dual-Role USB controllers that we want to work on a particular
+ mode. In case this attribute isn't passed via DT, USB DRD controllers
+ should default to OTG.
+ $ref: /schemas/types.yaml#/definitions/string
+ enum: [host, peripheral, otg]
+
+ hnp-disable:
+ description:
+ Tells OTG controllers we want to disable OTG HNP. Normally HNP is the
+ basic function of real OTG except you want it to be a srp-capable only B
+ device.
+ type: boolean
+
+ srp-disable:
+ description:
+ Tells OTG controllers we want to disable OTG SRP. SRP is optional for OTG
+ device.
+ type: boolean
+
+ adp-disable:
+ description:
+ Tells OTG controllers we want to disable OTG ADP. ADP is optional for OTG
+ device.
+ type: boolean
+
+ usb-role-switch:
+ description:
+ Indicates that the device is capable of assigning the USB data role
+ (USB host or USB device) for a given USB connector, such as Type-C,
+ Type-B(micro). See connector/usb-connector.yaml.
+
+ role-switch-default-mode:
+ description:
+ Indicates if usb-role-switch is enabled, the device default operation
+ mode of controller while usb role is USB_ROLE_NONE.
+ $ref: /schemas/types.yaml#/definitions/string
+ enum: [host, peripheral]
+ default: peripheral
+
+additionalProperties: true
+
+examples:
+ - |
+ usb@4a030000 {
+ compatible = "snps,dwc3";
+ reg = <0x4a030000 0xcfff>;
+ interrupts = <0 92 4>;
+ usb-phy = <&usb2_phy>, <&usb3_phy>;
+ maximum-speed = "super-speed";
+ dr_mode = "otg";
+ phy_type = "utmi_wide";
+ otg-rev = <0x0200>;
+ adp-disable;
+ };
diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index b545b08..52cc84c 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -9,18 +9,13 @@
maintainers:
- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+allOf:
+ - $ref: usb.yaml#
+
properties:
- $nodename:
- pattern: "^usb(@.*)?"
-
- phys:
- $ref: /schemas/types.yaml#/definitions/phandle-array
- description:
- List of all the USB PHYs on this HCD
-
- phy-names:
- description:
- Name specifier for the USB PHY
+ companion:
+ description: Phandle of a companion device
+ $ref: /schemas/types.yaml#/definitions/phandle
additionalProperties: true
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 0c5cff8..43f499f 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -28,6 +28,7 @@
- quirk-broken-port-ped: set if the controller has broken port disable mechanism
- imod-interval-ns: default interrupt moderation interval is 5000ns
- phys : see usb-hcd.yaml in the current directory
+ - offload: supporting USB offload feature, 0: disabled, 1: audio
additionally the properties from usb-hcd.yaml (in the current directory) are
supported.
diff --git a/Documentation/devicetree/bindings/usb/usb.yaml b/Documentation/devicetree/bindings/usb/usb.yaml
new file mode 100644
index 0000000..78491e6
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/usb.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/usb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic USB Controller Device Tree Bindings
+
+maintainers:
+ - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+select: false
+
+properties:
+ $nodename:
+ pattern: "^usb(@.*)?"
+
+ phys:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description:
+ List of all the USB PHYs on this HCD
+
+ phy-names:
+ description:
+ Name specifier for the USB PHY
+
+ usb-phy:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description:
+ List of all the USB PHYs on this HCD to be accepted by the legacy USB
+ Physical Layer subsystem.
+ deprecated: true
+
+ phy_type:
+ description:
+ Tells USB controllers that we want to configure the core to support a
+ UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
+ pin interface if ULPI is specified, Serial core/PHY interconnect if
+ serial is specified and High-Speed Inter-Chip feature if HSIC is
+ selected. In case this isn't passed via DT, USB controllers should
+ default to HW capability.
+ $ref: /schemas/types.yaml#/definitions/string
+ enum: [utmi, utmi_wide, ulpi, serial, hsic]
+
+ maximum-speed:
+ description:
+ Tells USB controllers we want to work up to a certain speed. In case this
+ isn't passed via DT, USB controllers should default to their maximum HW
+ capability.
+ $ref: /schemas/types.yaml#/definitions/string
+ enum:
+ - low-speed
+ - full-speed
+ - high-speed
+ - super-speed
+ - super-speed-plus
+ - super-speed-plus-gen2x1
+ - super-speed-plus-gen1x2
+ - super-speed-plus-gen2x2
+
+additionalProperties: true
+
+...
diff --git a/Documentation/filesystems/ext4/directory.rst b/Documentation/filesystems/ext4/directory.rst
index 073940c..55f618b 100644
--- a/Documentation/filesystems/ext4/directory.rst
+++ b/Documentation/filesystems/ext4/directory.rst
@@ -121,6 +121,31 @@
* - 0x7
- Symbolic link.
+To support directories that are both encrypted and casefolded directories, we
+must also include hash information in the directory entry. We append
+``ext4_extended_dir_entry_2`` to ``ext4_dir_entry_2`` except for the entries
+for dot and dotdot, which are kept the same. The structure follows immediately
+after ``name`` and is included in the size listed by ``rec_len`` If a directory
+entry uses this extension, it may be up to 271 bytes.
+
+.. list-table::
+ :widths: 8 8 24 40
+ :header-rows: 1
+
+ * - Offset
+ - Size
+ - Name
+ - Description
+ * - 0x0
+ - \_\_le32
+ - hash
+ - The hash of the directory name
+ * - 0x4
+ - \_\_le32
+ - minor\_hash
+ - The minor hash of the directory name
+
+
In order to add checksums to these classic directory blocks, a phony
``struct ext4_dir_entry`` is placed at the end of each leaf block to
hold the checksum. The directory entry is 12 bytes long. The inode
@@ -322,6 +347,8 @@
- Half MD4, unsigned.
* - 0x5
- Tea, unsigned.
+ * - 0x6
+ - Siphash.
Interior nodes of an htree are recorded as ``struct dx_node``, which is
also the full length of a data block:
diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 8c0fbdd..b91e5a8 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -110,6 +110,12 @@
on synchronous garbage collection running in background.
Default value for this option is on. So garbage
collection is on by default.
+gc_merge When background_gc is on, this option can be enabled to
+ let background GC thread to handle foreground GC requests,
+ it can eliminate the sluggish issue caused by slow foreground
+ GC operation when GC is triggered from a process with limited
+ I/O and CPU resources.
+nogc_merge Disable GC merge feature.
disable_roll_forward Disable the roll-forward recovery routine
norecovery Disable the roll-forward recovery routine, mounted read-
only (i.e., -o ro,disable_roll_forward)
@@ -179,7 +185,6 @@
FAULT_KVMALLOC 0x000000002
FAULT_PAGE_ALLOC 0x000000004
FAULT_PAGE_GET 0x000000008
- FAULT_ALLOC_BIO 0x000000010
FAULT_ALLOC_NID 0x000000020
FAULT_ORPHAN 0x000000040
FAULT_BLOCK 0x000000080
@@ -247,8 +252,24 @@
hide up to all remaining free space. The actual space that
would be unusable can be viewed at /sys/fs/f2fs/<disk>/unusable
This space is reclaimed once checkpoint=enable.
+checkpoint_merge When checkpoint is enabled, this can be used to create a kernel
+ daemon and make it to merge concurrent checkpoint requests as
+ much as possible to eliminate redundant checkpoint issues. Plus,
+ we can eliminate the sluggish issue caused by slow checkpoint
+ operation when the checkpoint is done in a process context in
+ a cgroup having low i/o budget and cpu shares. To make this
+ do better, we set the default i/o priority of the kernel daemon
+ to "3", to give one higher priority than other kernel threads.
+ This is the same way to give a I/O priority to the jbd2
+ journaling thread of ext4 filesystem.
+nocheckpoint_merge Disable checkpoint merge feature.
compress_algorithm=%s Control compress algorithm, currently f2fs supports "lzo",
"lz4", "zstd" and "lzo-rle" algorithm.
+compress_algorithm=%s:%d Control compress algorithm and its compress level, now, only
+ "lz4" and "zstd" support compress level config.
+ algorithm level range
+ lz4 3 - 16
+ zstd 1 - 22
compress_log_size=%u Support configuring compress cluster size, the size will
be 4KB * (1 << %u), 16KB is minimum size, also it's
default size.
@@ -260,6 +281,17 @@
For other files, we can still enable compression via ioctl.
Note that, there is one reserved special extension '*', it
can be set to enable compression for all files.
+compress_chksum Support verifying chksum of raw data in compressed cluster.
+compress_mode=%s Control file compression mode. This supports "fs" and "user"
+ modes. In "fs" mode (default), f2fs does automatic compression
+ on the compression enabled files. In "user" mode, f2fs disables
+ the automaic compression and gives the user discretion of
+ choosing the target file and the timing. The user can do manual
+ compression/decompression on the compression enabled files using
+ ioctls.
+compress_cache Support to use address space of a filesystem managed inode to
+ cache compressed block, in order to improve cache hit ratio of
+ random read.
inlinecrypt When possible, encrypt/decrypt the contents of encrypted
files using the blk-crypto framework rather than
filesystem-layer encryption. This allows the use of
@@ -790,6 +822,14 @@
* chattr +c file
* chattr +c dir; touch dir/file
* mount w/ -o compress_extension=ext; touch file.ext
+ * mount w/ -o compress_extension=*; touch any_file
+
+- At this point, compression feature doesn't expose compressed space to user
+ directly in order to guarantee potential data updates later to the space.
+ Instead, the main goal is to reduce data writes to flash disk as much as
+ possible, resulting in extending disk life time as well as relaxing IO
+ congestion. Alternatively, we've added ioctl interface to reclaim compressed
+ space and show it to user after putting the immutable bit.
Compress metadata layout::
@@ -810,6 +850,34 @@
| data length | data chksum | reserved | compressed data |
+-------------+-------------+----------+----------------------------+
+Compression mode
+--------------------------
+
+f2fs supports "fs" and "user" compression modes with "compression_mode" mount option.
+With this option, f2fs provides a choice to select the way how to compress the
+compression enabled files (refer to "Compression implementation" section for how to
+enable compression on a regular inode).
+
+1) compress_mode=fs
+This is the default option. f2fs does automatic compression in the writeback of the
+compression enabled files.
+
+2) compress_mode=user
+This disables the automatic compression and gives the user discretion of choosing the
+target file and the timing. The user can do manual compression/decompression on the
+compression enabled files using F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
+ioctls like the below.
+
+To decompress a file,
+
+fd = open(filename, O_WRONLY, 0);
+ret = ioctl(fd, F2FS_IOC_DECOMPRESS_FILE);
+
+To compress a file,
+
+fd = open(filename, O_WRONLY, 0);
+ret = ioctl(fd, F2FS_IOC_COMPRESS_FILE);
+
NVMe Zoned Namespace devices
----------------------------
diff --git a/Documentation/filesystems/fsverity.rst b/Documentation/filesystems/fsverity.rst
index 895e971..1d831e3 100644
--- a/Documentation/filesystems/fsverity.rst
+++ b/Documentation/filesystems/fsverity.rst
@@ -27,9 +27,9 @@
corrupted data, including mmap reads, will fail.
Userspace can use another ioctl to retrieve the root hash (actually
-the "file measurement", which is a hash that includes the root hash)
-that fs-verity is enforcing for the file. This ioctl executes in
-constant time, regardless of the file size.
+the "fs-verity file digest", which is a hash that includes the Merkle
+tree root hash) that fs-verity is enforcing for the file. This ioctl
+executes in constant time, regardless of the file size.
fs-verity is essentially a way to hash a file in constant time,
subject to the caveat that reads which would violate the hash will
@@ -177,9 +177,10 @@
FS_IOC_MEASURE_VERITY
---------------------
-The FS_IOC_MEASURE_VERITY ioctl retrieves the measurement of a verity
-file. The file measurement is a digest that cryptographically
-identifies the file contents that are being enforced on reads.
+The FS_IOC_MEASURE_VERITY ioctl retrieves the digest of a verity file.
+The fs-verity file digest is a cryptographic digest that identifies
+the file contents that are being enforced on reads; it is computed via
+a Merkle tree and is different from a traditional full-file digest.
This ioctl takes in a pointer to a variable-length structure::
@@ -197,7 +198,7 @@
follows:
- ``digest_algorithm`` will be the hash algorithm used for the file
- measurement. It will match ``fsverity_enable_arg::hash_algorithm``.
+ digest. It will match ``fsverity_enable_arg::hash_algorithm``.
- ``digest_size`` will be the size of the digest in bytes, e.g. 32
for SHA-256. (This can be redundant with ``digest_algorithm``.)
- ``digest`` will be the actual bytes of the digest.
@@ -216,6 +217,82 @@
- ``EOVERFLOW``: the digest is longer than the specified
``digest_size`` bytes. Try providing a larger buffer.
+FS_IOC_READ_VERITY_METADATA
+---------------------------
+
+The FS_IOC_READ_VERITY_METADATA ioctl reads verity metadata from a
+verity file. This ioctl is available since Linux v5.12.
+
+This ioctl allows writing a server program that takes a verity file
+and serves it to a client program, such that the client can do its own
+fs-verity compatible verification of the file. This only makes sense
+if the client doesn't trust the server and if the server needs to
+provide the storage for the client.
+
+This is a fairly specialized use case, and most fs-verity users won't
+need this ioctl.
+
+This ioctl takes in a pointer to the following structure::
+
+ #define FS_VERITY_METADATA_TYPE_MERKLE_TREE 1
+ #define FS_VERITY_METADATA_TYPE_DESCRIPTOR 2
+ #define FS_VERITY_METADATA_TYPE_SIGNATURE 3
+
+ struct fsverity_read_metadata_arg {
+ __u64 metadata_type;
+ __u64 offset;
+ __u64 length;
+ __u64 buf_ptr;
+ __u64 __reserved;
+ };
+
+``metadata_type`` specifies the type of metadata to read:
+
+- ``FS_VERITY_METADATA_TYPE_MERKLE_TREE`` reads the blocks of the
+ Merkle tree. The blocks are returned in order from the root level
+ to the leaf level. Within each level, the blocks are returned in
+ the same order that their hashes are themselves hashed.
+ See `Merkle tree`_ for more information.
+
+- ``FS_VERITY_METADATA_TYPE_DESCRIPTOR`` reads the fs-verity
+ descriptor. See `fs-verity descriptor`_.
+
+- ``FS_VERITY_METADATA_TYPE_SIGNATURE`` reads the signature which was
+ passed to FS_IOC_ENABLE_VERITY, if any. See `Built-in signature
+ verification`_.
+
+The semantics are similar to those of ``pread()``. ``offset``
+specifies the offset in bytes into the metadata item to read from, and
+``length`` specifies the maximum number of bytes to read from the
+metadata item. ``buf_ptr`` is the pointer to the buffer to read into,
+cast to a 64-bit integer. ``__reserved`` must be 0. On success, the
+number of bytes read is returned. 0 is returned at the end of the
+metadata item. The returned length may be less than ``length``, for
+example if the ioctl is interrupted.
+
+The metadata returned by FS_IOC_READ_VERITY_METADATA isn't guaranteed
+to be authenticated against the file digest that would be returned by
+`FS_IOC_MEASURE_VERITY`_, as the metadata is expected to be used to
+implement fs-verity compatible verification anyway (though absent a
+malicious disk, the metadata will indeed match). E.g. to implement
+this ioctl, the filesystem is allowed to just read the Merkle tree
+blocks from disk without actually verifying the path to the root node.
+
+FS_IOC_READ_VERITY_METADATA can fail with the following errors:
+
+- ``EFAULT``: the caller provided inaccessible memory
+- ``EINTR``: the ioctl was interrupted before any data was read
+- ``EINVAL``: reserved fields were set, or ``offset + length``
+ overflowed
+- ``ENODATA``: the file is not a verity file, or
+ FS_VERITY_METADATA_TYPE_SIGNATURE was requested but the file doesn't
+ have a built-in signature
+- ``ENOTTY``: this type of filesystem does not implement fs-verity, or
+ this ioctl is not yet implemented on it
+- ``EOPNOTSUPP``: the kernel was not configured with fs-verity
+ support, or the filesystem superblock has not had the 'verity'
+ feature enabled on it. (See `Filesystem support`_.)
+
FS_IOC_GETFLAGS
---------------
@@ -257,25 +334,24 @@
with EIO (for read()) or SIGBUS (for mmap() reads).
- If the sysctl "fs.verity.require_signatures" is set to 1 and the
- file's verity measurement is not signed by a key in the fs-verity
- keyring, then opening the file will fail. See `Built-in signature
- verification`_.
+ file is not signed by a key in the fs-verity keyring, then opening
+ the file will fail. See `Built-in signature verification`_.
Direct access to the Merkle tree is not supported. Therefore, if a
verity file is copied, or is backed up and restored, then it will lose
its "verity"-ness. fs-verity is primarily meant for files like
executables that are managed by a package manager.
-File measurement computation
-============================
+File digest computation
+=======================
This section describes how fs-verity hashes the file contents using a
-Merkle tree to produce the "file measurement" which cryptographically
-identifies the file contents. This algorithm is the same for all
-filesystems that support fs-verity.
+Merkle tree to produce the digest which cryptographically identifies
+the file contents. This algorithm is the same for all filesystems
+that support fs-verity.
Userspace only needs to be aware of this algorithm if it needs to
-compute the file measurement itself, e.g. in order to sign the file.
+compute fs-verity file digests itself, e.g. in order to sign files.
.. _fsverity_merkle_tree:
@@ -325,26 +401,22 @@
is exactly the top-level hash block of the first file. Ambiguities
also arise from the convention of padding to the next block boundary.
-To solve this problem, the verity file measurement is actually
-computed as a hash of the following structure, which contains the
-Merkle tree root hash as well as other fields such as the file size::
+To solve this problem, the fs-verity file digest is actually computed
+as a hash of the following structure, which contains the Merkle tree
+root hash as well as other fields such as the file size::
struct fsverity_descriptor {
__u8 version; /* must be 1 */
__u8 hash_algorithm; /* Merkle tree hash algorithm */
__u8 log_blocksize; /* log2 of size of data and tree blocks */
__u8 salt_size; /* size of salt in bytes; 0 if none */
- __le32 sig_size; /* must be 0 */
+ __le32 __reserved_0x04; /* must be 0 */
__le64 data_size; /* size of file the Merkle tree is built over */
__u8 root_hash[64]; /* Merkle tree root hash */
__u8 salt[32]; /* salt prepended to each hashed block */
__u8 __reserved[144]; /* must be 0's */
};
-Note that the ``sig_size`` field must be set to 0 for the purpose of
-computing the file measurement, even if a signature was provided (or
-will be provided) to `FS_IOC_ENABLE_VERITY`_.
-
Built-in signature verification
===============================
@@ -359,20 +431,20 @@
certificates from being added.
2. `FS_IOC_ENABLE_VERITY`_ accepts a pointer to a PKCS#7 formatted
- detached signature in DER format of the file measurement. On
- success, this signature is persisted alongside the Merkle tree.
+ detached signature in DER format of the file's fs-verity digest.
+ On success, this signature is persisted alongside the Merkle tree.
Then, any time the file is opened, the kernel will verify the
- file's actual measurement against this signature, using the
- certificates in the ".fs-verity" keyring.
+ file's actual digest against this signature, using the certificates
+ in the ".fs-verity" keyring.
3. A new sysctl "fs.verity.require_signatures" is made available.
When set to 1, the kernel requires that all verity files have a
- correctly signed file measurement as described in (2).
+ correctly signed digest as described in (2).
-File measurements must be signed in the following format, which is
-similar to the structure used by `FS_IOC_MEASURE_VERITY`_::
+fs-verity file digests must be signed in the following format, which
+is similar to the structure used by `FS_IOC_MEASURE_VERITY`_::
- struct fsverity_signed_digest {
+ struct fsverity_formatted_digest {
char magic[8]; /* must be "FSVerity" */
__le16 digest_algorithm;
__le16 digest_size;
@@ -421,8 +493,8 @@
ext4 also supports encryption, which can be used simultaneously with
fs-verity. In this case, the plaintext data is verified rather than
-the ciphertext. This is necessary in order to make the file
-measurement meaningful, since every file is encrypted differently.
+the ciphertext. This is necessary in order to make the fs-verity file
+digest meaningful, since every file is encrypted differently.
ext4 stores the verity metadata (Merkle tree and fsverity_descriptor)
past the end of the file, starting at the first 64K boundary beyond
@@ -592,8 +664,8 @@
:Q: Isn't fs-verity useless because the attacker can just modify the
hashes in the Merkle tree, which is stored on-disk?
:A: To verify the authenticity of an fs-verity file you must verify
- the authenticity of the "file measurement", which is basically the
- root hash of the Merkle tree. See `Use cases`_.
+ the authenticity of the "fs-verity file digest", which
+ incorporates the root hash of the Merkle tree. See `Use cases`_.
:Q: Isn't fs-verity useless because the attacker can just replace a
verity file with a non-verity one?
diff --git a/Documentation/filesystems/incfs.rst b/Documentation/filesystems/incfs.rst
new file mode 100644
index 0000000..03ae39e
--- /dev/null
+++ b/Documentation/filesystems/incfs.rst
@@ -0,0 +1,82 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=================================================
+incfs: A stacked incremental filesystem for Linux
+=================================================
+
+/sys/fs interface
+=================
+
+Please update Documentation/ABI/testing/sys-fs-incfs if you update this
+section.
+
+incfs creates the following files in /sys/fs.
+
+Features
+--------
+
+/sys/fs/incremental-fs/features/corefs
+ Reads 'supported'. Always present.
+
+/sys/fs/incremental-fs/features/v2
+ Reads 'supported'. Present if all v2 features of incfs are supported. These
+ are:
+ fs-verity support
+ inotify support
+ ioclts:
+ INCFS_IOC_SET_READ_TIMEOUTS
+ INCFS_IOC_GET_READ_TIMEOUTS
+ INCFS_IOC_GET_BLOCK_COUNT
+ INCFS_IOC_CREATE_MAPPED_FILE
+ .incomplete folder
+ .blocks_written pseudo file
+ report_uid mount option
+
+/sys/fs/incremental-fs/features/zstd
+ Reads 'supported'. Present if zstd compression is supported for data blocks.
+
+Optional per mount
+------------------
+
+For each incfs mount, the mount option sysfs_name=[name] creates a /sys/fs
+node called:
+
+/sys/fs/incremental-fs/instances/[name]
+
+This will contain the following files:
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_min
+ Returns a count of the number of reads that were delayed as a result of the
+ per UID read timeouts min time setting.
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_min_us
+ Returns total delay time for all files since first mount as a result of the
+ per UID read timeouts min time setting.
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_pending
+ Returns a count of the number of reads that were delayed as a result of
+ waiting for a pending read.
+
+/sys/fs/incremental-fs/instances/[name]/reads_delayed_pending_us
+ Returns total delay time for all files since first mount as a result of
+ waiting for a pending read.
+
+/sys/fs/incremental-fs/instances/[name]/reads_failed_hash_verification
+ Returns number of reads that failed because of hash verification failures.
+
+/sys/fs/incremental-fs/instances/[name]/reads_failed_other
+ Returns number of reads that failed for reasons other than timing out or
+ hash failures.
+
+/sys/fs/incremental-fs/instances/[name]/reads_failed_timed_out
+ Returns number of reads that timed out.
+
+For reads_delayed_*** settings, note that a file can count for both
+reads_delayed_min and reads_delayed_pending if incfs first waits for a pending
+read then has to wait further for the min time. In that case, the time spent
+waiting is split between reads_delayed_pending_us, which is increased by the
+time spent waiting for the pending read, and reads_delayed_min_us, which is
+increased by the remainder of the time spent waiting.
+
+Reads that timed out are not added to the reads_delayed_pending or the
+reads_delayed_pending_us counters.
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst
index c0f2c75..bcb092e 100644
--- a/Documentation/filesystems/locking.rst
+++ b/Documentation/filesystems/locking.rst
@@ -125,7 +125,7 @@
bool (*list)(struct dentry *dentry);
int (*get)(const struct xattr_handler *handler, struct dentry *dentry,
struct inode *inode, const char *name, void *buffer,
- size_t size);
+ size_t size, int flags);
int (*set)(const struct xattr_handler *handler, struct dentry *dentry,
struct inode *inode, const char *name, const void *buffer,
size_t size, int flags);
diff --git a/Documentation/filesystems/overlayfs.rst b/Documentation/filesystems/overlayfs.rst
index 137afeb..423b3c8 100644
--- a/Documentation/filesystems/overlayfs.rst
+++ b/Documentation/filesystems/overlayfs.rst
@@ -137,6 +137,29 @@
such as metadata and extended attributes are reported for the upper
directory only. These attributes of the lower directory are hidden.
+credentials
+-----------
+
+By default, all access to the upper, lower and work directories is the
+recorded mounter's MAC and DAC credentials. The incoming accesses are
+checked against the caller's credentials.
+
+In the case where caller MAC or DAC credentials do not overlap, a
+use case available in older versions of the driver, the
+override_creds mount flag can be turned off and help when the use
+pattern has caller with legitimate credentials where the mounter
+does not. Several unintended side effects will occur though. The
+caller without certain key capabilities or lower privilege will not
+always be able to delete files or directories, create nodes, or
+search some restricted directories. The ability to search and read
+a directory entry is spotty as a result of the cache mechanism not
+retesting the credentials because of the assumption, a privileged
+caller can fill cache, then a lower privilege can read the directory
+cache. The uneven security model where cache, upperdir and workdir
+are opened at privilege, but accessed without creating a form of
+privilege escalation, should only be used with strict understanding
+of the side effects and of the security policies.
+
whiteouts and opaque directories
--------------------------------
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 533c79e..1b506a5 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -429,6 +429,8 @@
[stack] the stack of the main process
[vdso] the "virtual dynamic shared object",
the kernel system call handler
+ [anon:<name>] an anonymous mapping that has been
+ named by userspace
======= ====================================
or if empty, the mapping is anonymous.
@@ -462,6 +464,7 @@
Locked: 0 kB
THPeligible: 0
VmFlags: rd ex mr mw me dw
+ Name: name from userspace
The first of these lines shows the same information as is displayed for the
mapping in /proc/PID/maps. Following lines show the size of the mapping
@@ -546,6 +549,7 @@
nh no huge page advise flag
mg mergable advise flag
bt arm64 BTI guarded page
+ mt arm64 MTE allocation tags are enabled
== =======================================
Note that there is no guarantee that every flag and associated mnemonic will
@@ -554,6 +558,9 @@
might change in future as well. So each consumer of these flags has to
follow each specific kernel version for the exact semantic.
+The "Name" field will only be present on a mapping that has been named by
+userspace, and will show the name passed in by userspace.
+
This file is only present if the CONFIG_MMU kernel configuration option is
enabled.
@@ -1899,18 +1906,20 @@
3.8 /proc/<pid>/fdinfo/<fd> - Information about opened file
---------------------------------------------------------------
This file provides information associated with an opened file. The regular
-files have at least three fields -- 'pos', 'flags' and 'mnt_id'. The 'pos'
-represents the current offset of the opened file in decimal form [see lseek(2)
-for details], 'flags' denotes the octal O_xxx mask the file has been
-created with [see open(2) for details] and 'mnt_id' represents mount ID of
-the file system containing the opened file [see 3.5 /proc/<pid>/mountinfo
-for details].
+files have at least four fields -- 'pos', 'flags', 'mnt_id' and 'ino'.
+The 'pos' represents the current offset of the opened file in decimal
+form [see lseek(2) for details], 'flags' denotes the octal O_xxx mask the
+file has been created with [see open(2) for details] and 'mnt_id' represents
+mount ID of the file system containing the opened file [see 3.5
+/proc/<pid>/mountinfo for details]. 'ino' represents the inode number of
+the file.
A typical output is::
pos: 0
flags: 0100002
mnt_id: 19
+ ino: 63107
All locks associated with a file descriptor are shown in its fdinfo too::
@@ -1927,6 +1936,7 @@
pos: 0
flags: 04002
mnt_id: 9
+ ino: 63107
eventfd-count: 5a
where 'eventfd-count' is hex value of a counter.
@@ -1939,6 +1949,7 @@
pos: 0
flags: 04002
mnt_id: 9
+ ino: 63107
sigmask: 0000000000000200
where 'sigmask' is hex value of the signal mask associated
@@ -1952,6 +1963,7 @@
pos: 0
flags: 02
mnt_id: 9
+ ino: 63107
tfd: 5 events: 1d data: ffffffffffffffff pos:0 ino:61af sdev:7
where 'tfd' is a target file descriptor number in decimal form,
@@ -1968,6 +1980,8 @@
pos: 0
flags: 02000000
+ mnt_id: 9
+ ino: 63107
inotify wd:3 ino:9e7e sdev:800013 mask:800afce ignored_mask:0 fhandle-bytes:8 fhandle-type:1 f_handle:7e9e0000640d1b6d
where 'wd' is a watch descriptor in decimal form, i.e. a target file
@@ -1990,6 +2004,7 @@
pos: 0
flags: 02
mnt_id: 9
+ ino: 63107
fanotify flags:10 event-flags:0
fanotify mnt_id:12 mflags:40 mask:38 ignored_mask:40000003
fanotify ino:4f969 sdev:800013 mflags:0 mask:3b ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:69f90400c275b5b4
@@ -2014,6 +2029,7 @@
pos: 0
flags: 02
mnt_id: 9
+ ino: 63107
clockid: 0
ticks: 0
settime flags: 01
@@ -2028,6 +2044,22 @@
with TIMER_ABSTIME option which will be shown in 'settime flags', but 'it_value'
still exhibits timer's remaining time.
+DMA Buffer files
+~~~~~~~~~~~~~~~~
+
+::
+
+ pos: 0
+ flags: 04002
+ mnt_id: 9
+ ino: 63107
+ size: 32768
+ count: 2
+ exp_name: system-heap
+
+where 'size' is the size of the DMA buffer in bytes. 'count' is the file count of
+the DMA buffer file. 'exp_name' is the name of the DMA buffer exporter.
+
3.9 /proc/<pid>/map_files - Information about memory mapped files
---------------------------------------------------------------------
This directory contains symbolic links which represent memory mapped files
diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst
index 85ccc87..d4b3e0c 100644
--- a/Documentation/kbuild/modules.rst
+++ b/Documentation/kbuild/modules.rst
@@ -21,6 +21,7 @@
--- 4.1 Kernel Includes
--- 4.2 Single Subdirectory
--- 4.3 Several Subdirectories
+ --- 4.4 UAPI Headers Installation
=== 5. Module Installation
--- 5.1 INSTALL_MOD_PATH
--- 5.2 INSTALL_MOD_DIR
@@ -131,6 +132,10 @@
/lib/modules/<kernel_release>/extra/, but a prefix may
be added with INSTALL_MOD_PATH (discussed in section 5).
+ headers_install
+ Export headers in a format suitable for userspace. The default
+ location is $PWD/usr. INSTALL_HDR_PATH can change this path.
+
clean
Remove all generated files in the module directory only.
@@ -406,6 +411,17 @@
pointing to the directory where the currently executing kbuild
file is located.
+4.4 UAPI Headers Installation
+-----------------------------
+
+ External modules may export headers to userspace in a similar
+ fashion to the in-tree counterpart drivers. kbuild supports
+ running headers_install target in an out-of-tree. The location
+ where kbuild searches for headers is $(M)/include/uapi and
+ $(M)/arch/$(SRCARCH)/include/uapi.
+
+ See also Documentation/kbuild/headers_install.rst.
+
5. Module Installation
======================
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 4822a05..40278344 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -1056,6 +1056,19 @@
Default: Empty
+ip_local_unbindable_ports - list of comma separated ranges
+ Specify the ports which are not directly bind()able.
+
+ Usually you would use this to block the use of ports which
+ are invalid due to something outside of the control of the
+ kernel. For example a port stolen by the nic for serial
+ console, remote power management or debugging.
+
+ There's a relatively high chance you will also want to list
+ these ports in 'ip_local_reserved_ports' to prevent autobinding.
+
+ Default: Empty
+
ip_unprivileged_port_start - INTEGER
This is a per-namespace sysctl. It defines the first
unprivileged port in the network namespace. Privileged ports
diff --git a/Documentation/power/index.rst b/Documentation/power/index.rst
index ced8a80..a0f5244 100644
--- a/Documentation/power/index.rst
+++ b/Documentation/power/index.rst
@@ -30,6 +30,7 @@
userland-swsusp
powercap/powercap
+ powercap/dtpm
regulator/consumer
regulator/design
diff --git a/Documentation/power/powercap/dtpm.rst b/Documentation/power/powercap/dtpm.rst
new file mode 100644
index 0000000..a38dee3
--- /dev/null
+++ b/Documentation/power/powercap/dtpm.rst
@@ -0,0 +1,212 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================================
+Dynamic Thermal Power Management framework
+==========================================
+
+On the embedded world, the complexity of the SoC leads to an
+increasing number of hotspots which need to be monitored and mitigated
+as a whole in order to prevent the temperature to go above the
+normative and legally stated 'skin temperature'.
+
+Another aspect is to sustain the performance for a given power budget,
+for example virtual reality where the user can feel dizziness if the
+performance is capped while a big CPU is processing something else. Or
+reduce the battery charging because the dissipated power is too high
+compared with the power consumed by other devices.
+
+The user space is the most adequate place to dynamically act on the
+different devices by limiting their power given an application
+profile: it has the knowledge of the platform.
+
+The Dynamic Thermal Power Management (DTPM) is a technique acting on
+the device power by limiting and/or balancing a power budget among
+different devices.
+
+The DTPM framework provides an unified interface to act on the
+device power.
+
+Overview
+========
+
+The DTPM framework relies on the powercap framework to create the
+powercap entries in the sysfs directory and implement the backend
+driver to do the connection with the power manageable device.
+
+The DTPM is a tree representation describing the power constraints
+shared between devices, not their physical positions.
+
+The nodes of the tree are a virtual description aggregating the power
+characteristics of the children nodes and their power limitations.
+
+The leaves of the tree are the real power manageable devices.
+
+For instance::
+
+ SoC
+ |
+ `-- pkg
+ |
+ |-- pd0 (cpu0-3)
+ |
+ `-- pd1 (cpu4-5)
+
+The pkg power will be the sum of pd0 and pd1 power numbers::
+
+ SoC (400mW - 3100mW)
+ |
+ `-- pkg (400mW - 3100mW)
+ |
+ |-- pd0 (100mW - 700mW)
+ |
+ `-- pd1 (300mW - 2400mW)
+
+When the nodes are inserted in the tree, their power characteristics are propagated to the parents::
+
+ SoC (600mW - 5900mW)
+ |
+ |-- pkg (400mW - 3100mW)
+ | |
+ | |-- pd0 (100mW - 700mW)
+ | |
+ | `-- pd1 (300mW - 2400mW)
+ |
+ `-- pd2 (200mW - 2800mW)
+
+Each node have a weight on a 2^10 basis reflecting the percentage of power consumption along the siblings::
+
+ SoC (w=1024)
+ |
+ |-- pkg (w=538)
+ | |
+ | |-- pd0 (w=231)
+ | |
+ | `-- pd1 (w=794)
+ |
+ `-- pd2 (w=486)
+
+ Note the sum of weights at the same level are equal to 1024.
+
+When a power limitation is applied to a node, then it is distributed along the children given their weights. For example, if we set a power limitation of 3200mW at the 'SoC' root node, the resulting tree will be::
+
+ SoC (w=1024) <--- power_limit = 3200mW
+ |
+ |-- pkg (w=538) --> power_limit = 1681mW
+ | |
+ | |-- pd0 (w=231) --> power_limit = 378mW
+ | |
+ | `-- pd1 (w=794) --> power_limit = 1303mW
+ |
+ `-- pd2 (w=486) --> power_limit = 1519mW
+
+
+Flat description
+----------------
+
+A root node is created and it is the parent of all the nodes. This
+description is the simplest one and it is supposed to give to user
+space a flat representation of all the devices supporting the power
+limitation without any power limitation distribution.
+
+Hierarchical description
+------------------------
+
+The different devices supporting the power limitation are represented
+hierarchically. There is one root node, all intermediate nodes are
+grouping the child nodes which can be intermediate nodes also or real
+devices.
+
+The intermediate nodes aggregate the power information and allows to
+set the power limit given the weight of the nodes.
+
+User space API
+==============
+
+As stated in the overview, the DTPM framework is built on top of the
+powercap framework. Thus the sysfs interface is the same, please refer
+to the powercap documentation for further details.
+
+ * power_uw: Instantaneous power consumption. If the node is an
+ intermediate node, then the power consumption will be the sum of all
+ children power consumption.
+
+ * max_power_range_uw: The power range resulting of the maximum power
+ minus the minimum power.
+
+ * name: The name of the node. This is implementation dependent. Even
+ if it is not recommended for the user space, several nodes can have
+ the same name.
+
+ * constraint_X_name: The name of the constraint.
+
+ * constraint_X_max_power_uw: The maximum power limit to be applicable
+ to the node.
+
+ * constraint_X_power_limit_uw: The power limit to be applied to the
+ node. If the value contained in constraint_X_max_power_uw is set,
+ the constraint will be removed.
+
+ * constraint_X_time_window_us: The meaning of this file will depend
+ on the constraint number.
+
+Constraints
+-----------
+
+ * Constraint 0: The power limitation is immediately applied, without
+ limitation in time.
+
+Kernel API
+==========
+
+Overview
+--------
+
+The DTPM framework has no power limiting backend support. It is
+generic and provides a set of API to let the different drivers to
+implement the backend part for the power limitation and create the
+power constraints tree.
+
+It is up to the platform to provide the initialization function to
+allocate and link the different nodes of the tree.
+
+A special macro has the role of declaring a node and the corresponding
+initialization function via a description structure. This one contains
+an optional parent field allowing to hook different devices to an
+already existing tree at boot time.
+
+For instance::
+
+ struct dtpm_descr my_descr = {
+ .name = "my_name",
+ .init = my_init_func,
+ };
+
+ DTPM_DECLARE(my_descr);
+
+The nodes of the DTPM tree are described with dtpm structure. The
+steps to add a new power limitable device is done in three steps:
+
+ * Allocate the dtpm node
+ * Set the power number of the dtpm node
+ * Register the dtpm node
+
+The registration of the dtpm node is done with the powercap
+ops. Basically, it must implements the callbacks to get and set the
+power and the limit.
+
+Alternatively, if the node to be inserted is an intermediate one, then
+a simple function to insert it as a future parent is available.
+
+If a device has its power characteristics changing, then the tree must
+be updated with the new power numbers and weights.
+
+Nomenclature
+------------
+
+ * dtpm_alloc() : Allocate and initialize a dtpm structure
+
+ * dtpm_register() : Add the dtpm node to the tree
+
+ * dtpm_unregister() : Remove the dtpm node from the tree
+
+ * dtpm_update_power() : Update the power characteristics of the dtpm node
diff --git a/Documentation/scheduler/sched-energy.rst b/Documentation/scheduler/sched-energy.rst
index 001e09c..1f5792c 100644
--- a/Documentation/scheduler/sched-energy.rst
+++ b/Documentation/scheduler/sched-energy.rst
@@ -397,7 +397,7 @@
because it is the only one providing some degree of consistency between
frequency requests and energy predictions.
-Using EAS with any other governor than schedutil is not supported.
+Using EAS with any other governor than schedutil is not recommended.
6.5 Scale-invariant utilization signals
diff --git a/Documentation/trace/coresight/coresight-trbe.rst b/Documentation/trace/coresight/coresight-trbe.rst
new file mode 100644
index 0000000..b9928ef
--- /dev/null
+++ b/Documentation/trace/coresight/coresight-trbe.rst
@@ -0,0 +1,38 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+Trace Buffer Extension (TRBE).
+==============================
+
+ :Author: Anshuman Khandual <anshuman.khandual@arm.com>
+ :Date: November 2020
+
+Hardware Description
+--------------------
+
+Trace Buffer Extension (TRBE) is a percpu hardware which captures in system
+memory, CPU traces generated from a corresponding percpu tracing unit. This
+gets plugged in as a coresight sink device because the corresponding trace
+generators (ETE), are plugged in as source device.
+
+The TRBE is not compliant to CoreSight architecture specifications, but is
+driven via the CoreSight driver framework to support the ETE (which is
+CoreSight compliant) integration.
+
+Sysfs files and directories
+---------------------------
+
+The TRBE devices appear on the existing coresight bus alongside the other
+coresight devices::
+
+ >$ ls /sys/bus/coresight/devices
+ trbe0 trbe1 trbe2 trbe3
+
+The ``trbe<N>`` named TRBEs are associated with a CPU.::
+
+ >$ ls /sys/bus/coresight/devices/trbe0/
+ align flag
+
+*Key file items are:-*
+ * ``align``: TRBE write pointer alignment
+ * ``flag``: TRBE updates memory with access and dirty flags
diff --git a/Documentation/trace/coresight/coresight.rst b/Documentation/trace/coresight/coresight.rst
index 0b73acb..169749e 100644
--- a/Documentation/trace/coresight/coresight.rst
+++ b/Documentation/trace/coresight/coresight.rst
@@ -512,6 +512,38 @@
Note that only 64-bit programs are currently supported - further work is
required to support instruction decode of 32-bit Arm programs.
+2.2) Tracing PID
+
+The kernel can be built to write the PID value into the PE ContextID registers.
+For a kernel running at EL1, the PID is stored in CONTEXTIDR_EL1. A PE may
+implement Arm Virtualization Host Extensions (VHE), which the kernel can
+run at EL2 as a virtualisation host; in this case, the PID value is stored in
+CONTEXTIDR_EL2.
+
+perf provides PMU formats that program the ETM to insert these values into the
+trace data; the PMU formats are defined as below:
+
+ "contextid1": Available on both EL1 kernel and EL2 kernel. When the
+ kernel is running at EL1, "contextid1" enables the PID
+ tracing; when the kernel is running at EL2, this enables
+ tracing the PID of guest applications.
+
+ "contextid2": Only usable when the kernel is running at EL2. When
+ selected, enables PID tracing on EL2 kernel.
+
+ "contextid": Will be an alias for the option that enables PID
+ tracing. I.e,
+ contextid == contextid1, on EL1 kernel.
+ contextid == contextid2, on EL2 kernel.
+
+perf will always enable PID tracing at the relevant EL, this is accomplished by
+automatically enable the "contextid" config - but for EL2 it is possible to make
+specific adjustments using configs "contextid1" and "contextid2", E.g. if a user
+wants to trace PIDs for both host and guest, the two configs "contextid1" and
+"contextid2" can be set at the same time:
+
+ perf record -e cs_etm/contextid1,contextid2/u -- vm
+
Generating coverage files for Feedback Directed Optimization: AutoFDO
---------------------------------------------------------------------
diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst
index 87cf5c0..34a3b84 100644
--- a/Documentation/trace/ftrace.rst
+++ b/Documentation/trace/ftrace.rst
@@ -76,6 +76,9 @@
All files located in the tracefs file system will be located in that
debugfs file system directory as well.
+ In order to not automount tracefs in the debugfs filesystem, enable the
+ defconfig option CONFIG_TRACEFS_DISABLE_AUTOMOUNT.
+
.. attention::
Any selected ftrace option will also create the tracefs file system.
diff --git a/Documentation/usb/gadget-testing.rst b/Documentation/usb/gadget-testing.rst
index 2eeb3e9..9d6276f 100644
--- a/Documentation/usb/gadget-testing.rst
+++ b/Documentation/usb/gadget-testing.rst
@@ -91,9 +91,9 @@
and after creating the functions/ecm.<instance name> they contain default
values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
Testing the ECM function
------------------------
@@ -131,9 +131,9 @@
and after creating the functions/ecm.<instance name> they contain default
values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
Testing the ECM subset function
-------------------------------
@@ -171,9 +171,9 @@
and after creating the functions/eem.<instance name> they contain default
values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
Testing the EEM function
------------------------
@@ -453,9 +453,9 @@
and after creating the functions/ncm.<instance name> they contain default
values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
Testing the NCM function
------------------------
@@ -591,9 +591,9 @@
and after creating the functions/rndis.<instance name> they contain default
values: qmult is 5, dev_addr and host_addr are randomly selected.
-Except for ifname they can be written to until the function is linked to a
-configuration. The ifname is read-only and contains the name of the interface
-which was assigned by the net core, e. g. usb0.
+The ifname can be written to if the function is not bound. A write must be an
+interface pattern such as "usb%d", which will cause the net core to choose the
+next free usbX interface. By default, it is set to "usb%d".
Testing the RNDIS function
--------------------------
@@ -728,6 +728,8 @@
c_chmask capture channel mask
c_srate capture sampling rate
c_ssize capture sample size (bytes)
+ c_sync capture synchronization type (async/adaptive)
+ fb_max maximum extra bandwidth in async mode
p_chmask playback channel mask
p_srate playback sampling rate
p_ssize playback sample size (bytes)
diff --git a/Documentation/userspace-api/media/v4l/common.rst b/Documentation/userspace-api/media/v4l/common.rst
index d84aeb7..d9f805e 100644
--- a/Documentation/userspace-api/media/v4l/common.rst
+++ b/Documentation/userspace-api/media/v4l/common.rst
@@ -50,6 +50,7 @@
ext-ctrls-fm-tx
ext-ctrls-fm-rx
ext-ctrls-detect
+ ext-ctrls-colorimetry
fourcc
format
planar-apis
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index b864869b..4ec87b5 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -674,11 +674,64 @@
is currently displayed (decoded). This value is reset to 0 whenever
the decoder is started.
+``V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR (integer64)``
+ This control sets the conceal color in YUV color space. It describes
+ the client preference of the error conceal color in case of an error
+ where the reference frame is missing. The decoder should fill the
+ reference buffer with the preferred color and use it for future
+ decoding. The control is using 16 bits per channel.
+ Applicable to decoders.
+
+.. flat-table::
+ :header-rows: 0
+ :stub-columns: 0
+
+ * -
+ - 8bit format
+ - 10bit format
+ - 12bit format
+ * - Y luminance
+ - Bit 0:7
+ - Bit 0:9
+ - Bit 0:11
+ * - Cb chrominance
+ - Bit 16:23
+ - Bit 16:25
+ - Bit 16:27
+ * - Cr chrominance
+ - Bit 32:39
+ - Bit 32:41
+ - Bit 32:43
+ * - Must be zero
+ - Bit 48:63
+ - Bit 48:63
+ - Bit 48:63
+
``V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE (boolean)``
If enabled the decoder expects to receive a single slice per buffer,
otherwise the decoder expects a single frame in per buffer.
Applicable to the decoder, all codecs.
+``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE (boolean)``
+ If the display delay is enabled then the decoder is forced to return
+ a CAPTURE buffer (decoded frame) after processing a certain number
+ of OUTPUT buffers. The delay can be set through
+ ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY``. This
+ feature can be used for example for generating thumbnails of videos.
+ Applicable to the decoder.
+
+``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY (integer)``
+ Display delay value for decoder. The decoder is forced to
+ return a decoded frame after the set 'display delay' number of
+ frames. If this number is low it may result in frames returned out
+ of display order, in addition the hardware may still be using the
+ returned buffer as a reference picture for subsequent frames.
+
+``V4L2_CID_MPEG_VIDEO_AU_DELIMITER (boolean)``
+ If enabled then, AUD (Access Unit Delimiter) NALUs will be generated.
+ That could be useful to find the start of a frame without having to
+ fully parse each NALU. Applicable to the H264 and HEVC encoders.
+
``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE (boolean)``
Enable writing sample aspect ratio in the Video Usability
Information. Applicable to the H264 encoder.
@@ -1182,6 +1235,18 @@
V4L2_CID_MPEG_VIDEO_H264_MAX_QP is also set, the quantization parameter
should be chosen to meet both requirements.
+``V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP (integer)``
+ Minimum quantization parameter for the H264 B frame to limit B frame
+ quality to a range. Valid range: from 0 to 51. If
+ V4L2_CID_MPEG_VIDEO_H264_MIN_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP (integer)``
+ Maximum quantization parameter for the H264 B frame to limit B frame
+ quality to a range. Valid range: from 0 to 51. If
+ V4L2_CID_MPEG_VIDEO_H264_MAX_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
``V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (integer)``
Quantization parameter for an I frame for MPEG4. Valid range: from 1
to 31.
@@ -1501,6 +1566,26 @@
* - Bit 16:32
- Layer number
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR (integer)``
+ Indicates bit rate (bps) for hierarchical coding layer 0 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR (integer)``
+ Indicates bit rate (bps) for hierarchical coding layer 1 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR (integer)``
+ Indicates bit rate (bps) for hierarchical coding layer 2 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR (integer)``
+ Indicates bit rate (bps) for hierarchical coding layer 3 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR (integer)``
+ Indicates bit rate (bps) for hierarchical coding layer 4 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR (integer)``
+ Indicates bit rate (bps) for hierarchical coding layer 5 for H264 encoder.
+
+``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (integer)``
+ Indicates bit rate (bps) for hierarchical coding layer 6 for H264 encoder.
.. _v4l2-mpeg-h264:
@@ -2756,6 +2841,11 @@
feature can be used for example for generating thumbnails of videos.
Applicable to the H264 decoder.
+ .. note::
+
+ This control is deprecated. Use the standard
+ ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE`` control instead.
+
``V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY (integer)``
Display delay value for H264 decoder. The decoder is forced to
return a decoded frame after the set 'display delay' number of
@@ -2763,6 +2853,11 @@
of display order, in addition the hardware may still be using the
returned buffer as a reference picture for subsequent frames.
+ .. note::
+
+ This control is deprecated. Use the standard
+ ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY`` control instead.
+
``V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P (integer)``
The number of reference pictures used for encoding a P picture.
Applicable to the H264 encoder.
@@ -3441,11 +3536,11 @@
``V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP (integer)``
Minimum quantization parameter for HEVC.
- Valid range: from 0 to 51.
+ Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
``V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP (integer)``
Maximum quantization parameter for HEVC.
- Valid range: from 0 to 51.
+ Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP (integer)``
Quantization parameter for an I frame for HEVC.
@@ -3462,6 +3557,42 @@
Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
+``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP (integer)``
+ Minimum quantization parameter for the HEVC I frame to limit I frame
+ quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+ If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP (integer)``
+ Maximum quantization parameter for the HEVC I frame to limit I frame
+ quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+ If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP (integer)``
+ Minimum quantization parameter for the HEVC P frame to limit P frame
+ quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+ If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP (integer)``
+ Maximum quantization parameter for the HEVC P frame to limit P frame
+ quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+ If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP (integer)``
+ Minimum quantization parameter for the HEVC B frame to limit B frame
+ quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+ If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
+``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP (integer)``
+ Maximum quantization parameter for the HEVC B frame to limit B frame
+ quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
+ If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
+ should be chosen to meet both requirements.
+
``V4L2_CID_MPEG_VIDEO_HEVC_HIER_QP (boolean)``
HIERARCHICAL_QP allows the host to specify the quantization parameter
values for each temporal layer through HIERARCHICAL_QP_LAYER. This is
@@ -4385,3 +4516,30 @@
- Selecting this value specifies that HEVC slices are expected
to be prefixed by Annex B start codes. According to :ref:`hevc`
valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001.
+
+``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (integer)``
+ Specifies a priority identifier for the NAL unit, which will be applied to
+ the base layer. By default this value is set to 0 for the base layer,
+ and the next layer will have the priority ID assigned as 1, 2, 3 and so on.
+ The video encoder can't decide the priority id to be applied to a layer,
+ so this has to come from client.
+ This is applicable to H264 and valid Range is from 0 to 63.
+ Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1.
+
+``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)``
+ Specifies the maximum number of Long Term Reference (LTR) frames at any
+ given time that the encoder can keep.
+ This is applicable to the H264 and HEVC encoders.
+
+``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)``
+ After setting this control the frame that will be queued next
+ will be marked as a Long Term Reference (LTR) frame
+ and given this LTR index which ranges from 0 to LTR_COUNT-1.
+ This is applicable to the H264 and HEVC encoders.
+ Source Rec. ITU-T H.264 (06/2019); Table 7.9
+
+``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)``
+ Specifies the Long Term Reference (LTR) frame(s) to be used for
+ encoding the next frame queued after setting this control.
+ This provides a bitmask which consists of bits [0, LTR_COUNT-1].
+ This is applicable to the H264 and HEVC encoders.
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst
new file mode 100644
index 0000000..1e72651
--- /dev/null
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-colorimetry.rst
@@ -0,0 +1,93 @@
+.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
+
+.. _colorimetry-controls:
+
+*****************************
+Colorimetry Control Reference
+*****************************
+
+The Colorimetry class includes controls for High Dynamic Range
+imaging for representing colors in digital images and video. The
+controls should be used for video and image encoding and decoding
+as well as in HDMI receivers and transmitters.
+
+Colorimetry Control IDs
+-----------------------
+
+.. _colorimetry-control-id:
+
+``V4L2_CID_COLORIMETRY_CLASS (class)``
+ The Colorimetry class descriptor. Calling
+ :ref:`VIDIOC_QUERYCTRL` for this control will
+ return a description of this control class.
+
+``V4L2_CID_COLORIMETRY_HDR10_CLL_INFO (struct)``
+ The Content Light Level defines upper bounds for the nominal target
+ brightness light level of the pictures.
+
+.. c:type:: v4l2_ctrl_hdr10_cll_info
+
+.. cssclass:: longtable
+
+.. flat-table:: struct v4l2_ctrl_hdr10_cll_info
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u16
+ - ``max_content_light_level``
+ - The upper bound for the maximum light level among all individual
+ samples for the pictures of a video sequence, cd/m\ :sup:`2`.
+ When equal to 0 no such upper bound is present.
+ * - __u16
+ - ``max_pic_average_light_level``
+ - The upper bound for the maximum average light level among the
+ samples for any individual picture of a video sequence,
+ cd/m\ :sup:`2`. When equal to 0 no such upper bound is present.
+
+``V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY (struct)``
+ The mastering display defines the color volume (the color primaries,
+ white point and luminance range) of a display considered to be the
+ mastering display for the current video content.
+
+.. c:type:: v4l2_ctrl_hdr10_mastering_display
+
+.. cssclass:: longtable
+
+.. flat-table:: struct v4l2_ctrl_hdr10_mastering_display
+ :header-rows: 0
+ :stub-columns: 0
+ :widths: 1 1 2
+
+ * - __u16
+ - ``display_primaries_x[3]``
+ - Specifies the normalized x chromaticity coordinate of the color
+ primary component c of the mastering display in increments of 0.00002.
+ For describing the mastering display that uses Red, Green and Blue
+ color primaries, index value c equal to 0 corresponds to the Green
+ primary, c equal to 1 corresponds to Blue primary and c equal to 2
+ corresponds to the Red color primary.
+ * - __u16
+ - ``display_primaries_y[3]``
+ - Specifies the normalized y chromaticity coordinate of the color
+ primary component c of the mastering display in increments of 0.00002.
+ For describing the mastering display that uses Red, Green and Blue
+ color primaries, index value c equal to 0 corresponds to the Green
+ primary, c equal to 1 corresponds to Blue primary and c equal to 2
+ corresponds to Red color primary.
+ * - __u16
+ - ``white_point_x``
+ - Specifies the normalized x chromaticity coordinate of the white
+ point of the mastering display in increments of 0.00002.
+ * - __u16
+ - ``white_point_y``
+ - Specifies the normalized y chromaticity coordinate of the white
+ point of the mastering display in increments of 0.00002.
+ * - __u32
+ - ``max_luminance``
+ - Specifies the nominal maximum display luminance of the mastering
+ display in units of 0.0001 cd/m\ :sup:`2`.
+ * - __u32
+ - ``min_luminance``
+ - specifies the nominal minimum display luminance of the mastering
+ display in units of 0.0001 cd/m\ :sup:`2`.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
index f2173e31..b185110 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-g-ext-ctrls.rst
@@ -184,6 +184,14 @@
- ``p_area``
- A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
of type ``V4L2_CTRL_TYPE_AREA``.
+ * - struct :c:type:`v4l2_ctrl_hdr10_cll_info` *
+ - ``p_hdr10_cll``
+ - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_cll_info`. Valid if this control is
+ of type ``V4L2_CTRL_TYPE_HDR10_CLL_INFO``.
+ * - struct :c:type:`v4l2_ctrl_hdr10_mastering_display` *
+ - ``p_hdr10_mastering``
+ - A pointer to a struct :c:type:`v4l2_ctrl_hdr10_mastering_display`. Valid if this control is
+ of type ``V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY``.
* - void *
- ``ptr``
- A pointer to a compound type which can be an N-dimensional array
@@ -358,6 +366,10 @@
- 0xa20000
- The class containing RF tuner controls. These controls are
described in :ref:`rf-tuner-controls`.
+ * - ``V4L2_CTRL_CLASS_COLORIMETRY``
+ - 0xa50000
+ - The class containing colorimetry controls. These controls are
+ described in :ref:`colorimetry-controls`.
Return Value
============
diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
index 121e396..5888032 100644
--- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions
+++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions
@@ -145,6 +145,8 @@
replace symbol V4L2_CTRL_TYPE_HEVC_PPS :c:type:`v4l2_ctrl_type`
replace symbol V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS :c:type:`v4l2_ctrl_type`
replace symbol V4L2_CTRL_TYPE_AREA :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_HDR10_CLL_INFO :c:type:`v4l2_ctrl_type`
+replace symbol V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY :c:type:`v4l2_ctrl_type`
# V4L2 capability defines
replace define V4L2_CAP_VIDEO_CAPTURE device-capabilities
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index cd8a585..88a1441 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -383,9 +383,14 @@
Errors:
- ===== =============================
+ ======= ==============================================================
EINTR an unmasked signal is pending
- ===== =============================
+ ENOEXEC the vcpu hasn't been initialized or the guest tried to execute
+ instructions from device memory (arm64)
+ ENOSYS data abort outside memslots with no syndrome info and
+ KVM_CAP_ARM_NISV_TO_USER not enabled (arm64)
+ EPERM SVE feature set but not finalized (arm64)
+ ======= ==============================================================
This ioctl is used to run a guest virtual cpu. While there are no
explicit parameters, there is an implicit parameter block that can be
diff --git a/Documentation/virt/kvm/arm/hyp-abi.rst b/Documentation/virt/kvm/arm/hyp-abi.rst
index 83cadd8..4d43fbc 100644
--- a/Documentation/virt/kvm/arm/hyp-abi.rst
+++ b/Documentation/virt/kvm/arm/hyp-abi.rst
@@ -58,6 +58,15 @@
into place (arm64 only), and jump to the restart address while at HYP/EL2.
This hypercall is not expected to return to its caller.
+* ::
+
+ x0 = HVC_VHE_RESTART (arm64 only)
+
+ Attempt to upgrade the kernel's exception level from EL1 to EL2 by enabling
+ the VHE mode. This is conditioned by the CPU supporting VHE, the EL2 MMU
+ being off, and VHE not being disabled by any other means (command line
+ option, for example).
+
Any other value of r0/x0 triggers a hypervisor-specific handling,
which is not documented here.
diff --git a/Documentation/virt/kvm/arm/pvtime.rst b/Documentation/virt/kvm/arm/pvtime.rst
index 687b60d..392521a 100644
--- a/Documentation/virt/kvm/arm/pvtime.rst
+++ b/Documentation/virt/kvm/arm/pvtime.rst
@@ -19,8 +19,8 @@
These are only available in the SMC64/HVC64 calling convention as
paravirtualized time is not available to 32 bit Arm guests. The existence of
-the PV_FEATURES hypercall should be probed using the SMCCC 1.1 ARCH_FEATURES
-mechanism before calling it.
+the PV_TIME_FEATURES hypercall should be probed using the SMCCC 1.1
+ARCH_FEATURES mechanism before calling it.
PV_TIME_FEATURES
============= ======== ==========
diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst
index 02deac7..2175465 100644
--- a/Documentation/vm/page_owner.rst
+++ b/Documentation/vm/page_owner.rst
@@ -41,17 +41,17 @@
- Without page owner::
text data bss dec hex filename
- 40662 1493 644 42799 a72f mm/page_alloc.o
+ 48392 2333 644 51369 c8a9 mm/page_alloc.o
- With page owner::
text data bss dec hex filename
- 40892 1493 644 43029 a815 mm/page_alloc.o
- 1427 24 8 1459 5b3 mm/page_ext.o
- 2722 50 0 2772 ad4 mm/page_owner.o
+ 48800 2445 644 51889 cab1 mm/page_alloc.o
+ 6662 108 29 6799 1a8f mm/page_owner.o
+ 1025 8 8 1041 411 mm/page_ext.o
-Although, roughly, 4 KB code is added in total, page_alloc.o increase by
-230 bytes and only half of it is in hotpath. Building the kernel with
+Although, roughly, 8 KB code is added in total, page_alloc.o increase by
+520 bytes and less than half of it is in hotpath. Building the kernel with
page owner and turning it on if needed would be great option to debug
kernel memory problem.
diff --git a/MAINTAINERS b/MAINTAINERS
index 4fef10d..3548319 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7865,6 +7865,12 @@
F: include/linux/hid*
F: include/uapi/linux/hid*
+HID PLAYSTATION DRIVER
+M: Roderick Colenbrander <roderick.colenbrander@sony.com>
+L: linux-input@vger.kernel.org
+S: Supported
+F: drivers/hid/hid-playstation.c
+
HID SENSOR HUB DRIVERS
M: Jiri Kosina <jikos@kernel.org>
M: Jonathan Cameron <jic23@kernel.org>
@@ -8648,6 +8654,13 @@
F: drivers/hwmon/ina2xx.c
F: include/linux/platform_data/ina2xx.h
+INCREMENTAL FILE SYSTEM
+M: Paul Lawrence <paullawrence@google.com>
+L: linux-unionfs@vger.kernel.org
+S: Supported
+F: fs/incfs/
+F: tools/testing/selftests/filesystems/incfs/
+
INDUSTRY PACK SUBSYSTEM (IPACK)
M: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
M: Jens Taprogge <jens.taprogge@taprogge.org>
@@ -9744,6 +9757,18 @@
F: include/uapi/linux/keyctl.h
F: security/keys/
+KFENCE
+M: Alexander Potapenko <glider@google.com>
+M: Marco Elver <elver@google.com>
+R: Dmitry Vyukov <dvyukov@google.com>
+L: kasan-dev@googlegroups.com
+S: Maintained
+F: Documentation/dev-tools/kfence.rst
+F: arch/*/include/asm/kfence.h
+F: include/linux/kfence.h
+F: lib/Kconfig.kfence
+F: mm/kfence/
+
KFIFO
M: Stefani Seibold <stefani@seibold.net>
S: Maintained
@@ -12381,6 +12406,12 @@
F: Documentation/scsi/NinjaSCSI.rst
F: drivers/scsi/nsp32*
+NINTENDO HID DRIVER
+M: Daniel J. Ogorchock <djogorchock@gmail.com>
+L: linux-input@vger.kernel.org
+S: Maintained
+F: drivers/hid/hid-nintendo*
+
NIOS2 ARCHITECTURE
M: Ley Foon Tan <ley.foon.tan@intel.com>
S: Maintained
@@ -16950,6 +16981,7 @@
SYSTEM CONTROL & POWER/MANAGEMENT INTERFACE (SCPI/SCMI) Message Protocol drivers
M: Sudeep Holla <sudeep.holla@arm.com>
+R: Cristian Marussi <cristian.marussi@arm.com>
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: Documentation/devicetree/bindings/arm/arm,sc[mp]i.txt
@@ -16957,6 +16989,7 @@
F: drivers/cpufreq/sc[mp]i-cpufreq.c
F: drivers/firmware/arm_scmi/
F: drivers/firmware/arm_scpi.c
+F: drivers/regulator/scmi-regulator.c
F: drivers/reset/reset-scmi.c
F: include/linux/sc[mp]i_protocol.h
F: include/trace/events/scmi.h
diff --git a/Makefile b/Makefile
index cce1e5d..bcb42a1 100644
--- a/Makefile
+++ b/Makefile
@@ -225,6 +225,20 @@
extmod-prefix = $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)
+# ANDROID: set up mixed-build support. mixed-build allows device kernel modules
+# to be compiled against a GKI kernel. This approach still uses the headers and
+# Kbuild from device kernel, so care must be taken to ensure that those headers match.
+ifdef KBUILD_MIXED_TREE
+# Need vmlinux.symvers for modpost and System.map for depmod, check whether they exist in KBUILD_MIXED_TREE
+required_mixed_files=vmlinux.symvers System.map
+$(if $(filter-out $(words $(required_mixed_files)), \
+ $(words $(wildcard $(add-prefix $(KBUILD_MIXED_TREE)/,$(required_mixed_files))))),,\
+ $(error KBUILD_MIXED_TREE=$(KBUILD_MIXED_TREE) doesn't contain $(required_mixed_files)))
+endif
+
+mixed-build-prefix = $(if $(KBUILD_MIXED_TREE),$(KBUILD_MIXED_TREE)/)
+export KBUILD_MIXED_TREE
+
ifeq ($(abs_srctree),$(abs_objtree))
# building in the source tree
srctree := .
@@ -461,7 +475,7 @@
KBZIP2 = bzip2
KLZOP = lzop
LZMA = lzma
-LZ4 = lz4c
+LZ4 = lz4
XZ = xz
ZSTD = zstd
@@ -654,11 +668,13 @@
libs-y := lib/
endif # KBUILD_EXTMOD
+ifndef KBUILD_MIXED_TREE
# The all: target is the default when no target is given on the
# command line.
# This allow a user to issue only 'make' to build a kernel including modules
# Defaults to vmlinux, but the arch makefile usually adds further targets
all: vmlinux
+endif
CFLAGS_GCOV := -fprofile-arcs -ftest-coverage \
$(call cc-option,-fno-tree-loop-im) \
@@ -855,12 +871,8 @@
export DEBUG_CFLAGS
ifdef CONFIG_FUNCTION_TRACER
-ifdef CONFIG_FTRACE_MCOUNT_RECORD
- # gcc 5 supports generating the mcount tables directly
- ifeq ($(call cc-option-yn,-mrecord-mcount),y)
- CC_FLAGS_FTRACE += -mrecord-mcount
- export CC_USING_RECORD_MCOUNT := 1
- endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_CC
+ CC_FLAGS_FTRACE += -mrecord-mcount
ifdef CONFIG_HAVE_NOP_MCOUNT
ifeq ($(call cc-option-yn, -mnop-mcount),y)
CC_FLAGS_FTRACE += -mnop-mcount
@@ -868,6 +880,15 @@
endif
endif
endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
+ CC_FLAGS_USING += -DCC_USING_NOP_MCOUNT
+endif
+ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
+ ifdef CONFIG_HAVE_C_RECORDMCOUNT
+ BUILD_C_RECORDMCOUNT := y
+ export BUILD_C_RECORDMCOUNT
+ endif
+endif
ifdef CONFIG_HAVE_FENTRY
ifeq ($(call cc-option-yn, -mfentry),y)
CC_FLAGS_FTRACE += -mfentry
@@ -877,12 +898,6 @@
export CC_FLAGS_FTRACE
KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_FLAGS_USING)
KBUILD_AFLAGS += $(CC_FLAGS_USING)
-ifdef CONFIG_DYNAMIC_FTRACE
- ifdef CONFIG_HAVE_C_RECORDMCOUNT
- BUILD_C_RECORDMCOUNT := y
- export BUILD_C_RECORDMCOUNT
- endif
-endif
endif
# We trigger additional mismatches with less inlining
@@ -901,6 +916,51 @@
export CC_FLAGS_SCS
endif
+ifdef CONFIG_LTO_CLANG
+ifdef CONFIG_LTO_CLANG_THIN
+CC_FLAGS_LTO := -flto=thin -fsplit-lto-unit
+KBUILD_LDFLAGS += --thinlto-cache-dir=$(extmod-prefix).thinlto-cache
+else
+CC_FLAGS_LTO := -flto
+endif
+
+ifeq ($(SRCARCH),x86)
+# TODO(b/182572011): Revert workaround for compiler / linker bug.
+CC_FLAGS_LTO += -fvisibility=hidden
+else
+CC_FLAGS_LTO += -fvisibility=default
+endif
+
+# Limit inlining across translation units to reduce binary size
+KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
+endif
+
+ifdef CONFIG_LTO
+KBUILD_CFLAGS += $(CC_FLAGS_LTO)
+export CC_FLAGS_LTO
+endif
+
+ifdef CONFIG_CFI_CLANG
+CC_FLAGS_CFI := -fsanitize=cfi \
+ -fsanitize-cfi-cross-dso \
+ -fno-sanitize-cfi-canonical-jump-tables \
+ -fno-sanitize-blacklist
+
+ifdef CONFIG_CFI_PERMISSIVE
+CC_FLAGS_CFI += -fsanitize-recover=cfi \
+ -fno-sanitize-trap=cfi
+else
+ifndef CONFIG_UBSAN_TRAP
+CC_FLAGS_CFI += -ftrap-function=__ubsan_handle_cfi_check_fail_abort
+endif
+endif
+
+# If LTO flags are filtered out, we must also filter out CFI.
+CC_FLAGS_LTO += $(CC_FLAGS_CFI)
+KBUILD_CFLAGS += $(CC_FLAGS_CFI)
+export CC_FLAGS_CFI
+endif
+
ifdef CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_32B
KBUILD_CFLAGS += -falign-functions=32
endif
@@ -1072,8 +1132,9 @@
HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf)
-has_libelf = $(call try-run,\
- echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0)
+has_libelf := $(call try-run,\
+ echo "int main() {}" | \
+ $(HOSTCC) $(KBUILD_HOSTCFLAGS) -xc -o /dev/null $(KBUILD_HOSTLDFLAGS) $(HOST_LIBELF_LIBS) -,1,0)
ifdef CONFIG_STACK_VALIDATION
ifeq ($(has_libelf),1)
@@ -1110,6 +1171,41 @@
export MODORDER := $(extmod-prefix)modules.order
export MODULES_NSDEPS := $(extmod-prefix)modules.nsdeps
+# ---------------------------------------------------------------------------
+# Kernel headers
+
+PHONY += headers
+
+#Default location for installed headers
+ifeq ($(KBUILD_EXTMOD),)
+PHONY += archheaders archscripts
+hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
+headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
+else
+hdr-prefix = $(KBUILD_EXTMOD)/
+hdr-inst := -f $(srctree)/scripts/Makefile.headersinst dst=$(KBUILD_EXTMOD)/usr/include objtree=$(objtree)/$(KBUILD_EXTMOD) obj
+endif
+
+export INSTALL_HDR_PATH = $(objtree)/$(hdr-prefix)usr
+
+quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include
+ cmd_headers_install = \
+ mkdir -p $(INSTALL_HDR_PATH); \
+ rsync -mrl --include='*/' --include='*\.h' --exclude='*' \
+ $(hdr-prefix)usr/include $(INSTALL_HDR_PATH);
+
+PHONY += headers_install
+headers_install: headers
+ $(call cmd,headers_install)
+
+headers:
+ifeq ($(KBUILD_EXTMOD),)
+ $(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \
+ $(error Headers not exportable for the $(SRCARCH) architecture))
+endif
+ $(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)include/uapi
+ $(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)arch/$(SRCARCH)/include/uapi
+
ifeq ($(KBUILD_EXTMOD),)
core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/
@@ -1175,8 +1271,10 @@
$(CONFIG_SHELL) $< "$(LD)" "$(KBUILD_LDFLAGS)" "$(LDFLAGS_vmlinux)"; \
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
+ifndef KBUILD_MIXED_TREE
vmlinux: scripts/link-vmlinux.sh autoksyms_recursive $(vmlinux-deps) FORCE
+$(call if_changed,link-vmlinux)
+endif
targets := vmlinux
@@ -1185,7 +1283,8 @@
$(sort $(vmlinux-deps) $(subdir-modorder)): descend ;
filechk_kernel.release = \
- echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+ echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
+ $(srctree) $(BRANCH) $(KMI_GENERATION))"
# Store (new) KERNELRELEASE string in include/config/kernel.release
include/config/kernel.release: FORCE
@@ -1231,6 +1330,10 @@
PHONY += prepare-objtool prepare-resolve_btfids
prepare-objtool: $(objtool_target)
ifeq ($(SKIP_STACK_VALIDATION),1)
+ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
+ @echo "error: Cannot generate __mcount_loc for CONFIG_DYNAMIC_FTRACE=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
+ @false
+endif
ifdef CONFIG_UNWINDER_ORC
@echo "error: Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2
@false
@@ -1251,12 +1354,17 @@
# needs to be updated, so this check is forced on all builds
uts_len := 64
+ifneq (,$(BUILD_NUMBER))
+ UTS_RELEASE=$(KERNELRELEASE)-ab$(BUILD_NUMBER)
+else
+ UTS_RELEASE=$(KERNELRELEASE)
+endif
define filechk_utsrelease.h
- if [ `echo -n "$(KERNELRELEASE)" | wc -c ` -gt $(uts_len) ]; then \
- echo '"$(KERNELRELEASE)" exceeds $(uts_len) characters' >&2; \
- exit 1; \
- fi; \
- echo \#define UTS_RELEASE \"$(KERNELRELEASE)\"
+ if [ `echo -n "$(UTS_RELEASE)" | wc -c ` -gt $(uts_len) ]; then \
+ echo '"$(UTS_RELEASE)" exceeds $(uts_len) characters' >&2; \
+ exit 1; \
+ fi; \
+ echo \#define UTS_RELEASE \"$(UTS_RELEASE)\"
endef
define filechk_version.h
@@ -1285,33 +1393,6 @@
$(Q)find $(srctree)/include/ -name '*.h' | xargs --max-args 1 \
$(srctree)/scripts/headerdep.pl -I$(srctree)/include
-# ---------------------------------------------------------------------------
-# Kernel headers
-
-#Default location for installed headers
-export INSTALL_HDR_PATH = $(objtree)/usr
-
-quiet_cmd_headers_install = INSTALL $(INSTALL_HDR_PATH)/include
- cmd_headers_install = \
- mkdir -p $(INSTALL_HDR_PATH); \
- rsync -mrl --include='*/' --include='*\.h' --exclude='*' \
- usr/include $(INSTALL_HDR_PATH)
-
-PHONY += headers_install
-headers_install: headers
- $(call cmd,headers_install)
-
-PHONY += archheaders archscripts
-
-hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
-
-PHONY += headers
-headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
- $(if $(wildcard $(srctree)/arch/$(SRCARCH)/include/uapi/asm/Kbuild),, \
- $(error Headers not exportable for the $(SRCARCH) architecture))
- $(Q)$(MAKE) $(hdr-inst)=include/uapi
- $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi
-
# Deprecated. It is no-op now.
PHONY += headers_check
headers_check:
@@ -1409,7 +1490,9 @@
# using awk while concatenating to the final file.
PHONY += modules
-modules: $(if $(KBUILD_BUILTIN),vmlinux) modules_check modules_prepare
+# if KBUILD_BUILTIN && !KBUILD_MIXED_TREE, depend on vmlinux
+modules: $(if $(KBUILD_BUILTIN), $(if $(KBUILD_MIXED_TREE),,vmlinux))
+modules: modules_check modules_prepare
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
PHONY += modules_check
@@ -1443,8 +1526,8 @@
ln -s $(CURDIR) $(MODLIB)/build ; \
fi
@sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order
- @cp -f modules.builtin $(MODLIB)/
- @cp -f $(objtree)/modules.builtin.modinfo $(MODLIB)/
+ @cp -f $(mixed-build-prefix)modules.builtin $(MODLIB)/
+ @cp -f $(or $(mixed-build-prefix),$(objtree)/)modules.builtin.modinfo $(MODLIB)/
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
# This depmod is only for convenience to give the initial
@@ -1486,7 +1569,7 @@
# Directories & files removed with 'make clean'
CLEAN_FILES += include/ksym vmlinux.symvers modules-only.symvers \
modules.builtin modules.builtin.modinfo modules.nsdeps \
- compile_commands.json
+ compile_commands.json .thinlto-cache
# Directories & files removed with 'make mrproper'
MRPROPER_FILES += include/config include/generated \
@@ -1746,7 +1829,7 @@
clean-dirs := $(KBUILD_EXTMOD)
clean: rm-files := $(KBUILD_EXTMOD)/Module.symvers $(KBUILD_EXTMOD)/modules.nsdeps \
- $(KBUILD_EXTMOD)/compile_commands.json
+ $(KBUILD_EXTMOD)/compile_commands.json $(KBUILD_EXTMOD)/.thinlto-cache
PHONY += help
help:
@@ -1755,6 +1838,8 @@
@echo ''
@echo ' modules - default target, build the module(s)'
@echo ' modules_install - install the module'
+ @echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'
+ @echo ' (default: $(abspath $(INSTALL_HDR_PATH)))'
@echo ' clean - remove generated files in module directory only'
@echo ''
@@ -1821,7 +1906,7 @@
$(build-dirs): prepare
$(Q)$(MAKE) $(build)=$@ \
single-build=$(if $(filter-out $@/, $(filter $@/%, $(KBUILD_SINGLE_TARGETS))),1) \
- need-builtin=1 need-modorder=1
+ $(if $(KBUILD_MIXED_TREE),,need-builtin=1) need-modorder=1
clean-dirs := $(addprefix _clean_, $(clean-dirs))
PHONY += $(clean-dirs) clean
@@ -1843,7 +1928,8 @@
-o -name '.tmp_*.o.*' \
-o -name '*.c.[012]*.*' \
-o -name '*.ll' \
- -o -name '*.gcno' \) -type f -print | xargs rm -f
+ -o -name '*.gcno' \
+ -o -name '*.*.symversions' \) -type f -print | xargs rm -f
# Generate tags for editors
# ---------------------------------------------------------------------------
@@ -1925,7 +2011,8 @@
$(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
kernelrelease:
- @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+ @echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
+ $(srctree) $(BRANCH) $(KMI_GENERATION))"
kernelversion:
@echo $(KERNELVERSION)
@@ -1953,7 +2040,7 @@
# Run depmod only if we have System.map and depmod is executable
quiet_cmd_depmod = DEPMOD $(KERNELRELEASE)
cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \
- $(KERNELRELEASE)
+ $(KERNELRELEASE) $(mixed-build-prefix)
# read saved command lines for existing targets
existing-targets := $(wildcard $(sort $(targets)))
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..414594e
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,12 @@
+set noparent
+
+# GKI Dr. No Enforcement is active on this branch. Approval of one of the Dr.
+# No reviewers is required following a regular CodeReview+2 vote of a code
+# reviewer.
+#
+# See the GKI release documentation (go/gki-dr-no) for further details.
+#
+# The expanded list of reviewers can be found at:
+# https://android.googlesource.com/kernel/common/+/android-mainline/OWNERS_DrNo
+
+include kernel/common:android-mainline:/OWNERS_DrNo
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..468ac20
--- /dev/null
+++ b/README.md
@@ -0,0 +1,150 @@
+# How do I submit patches to Android Common Kernels
+
+1. BEST: Make all of your changes to upstream Linux. If appropriate, backport to the stable releases.
+ These patches will be merged automatically in the corresponding common kernels. If the patch is already
+ in upstream Linux, post a backport of the patch that conforms to the patch requirements below.
+ - Do not send patches upstream that contain only symbol exports. To be considered for upstream Linux,
+additions of `EXPORT_SYMBOL_GPL()` require an in-tree modular driver that uses the symbol -- so include
+the new driver or changes to an existing driver in the same patchset as the export.
+ - When sending patches upstream, the commit message must contain a clear case for why the patch
+is needed and beneficial to the community. Enabling out-of-tree drivers or functionality is not
+not a persuasive case.
+
+2. LESS GOOD: Develop your patches out-of-tree (from an upstream Linux point-of-view). Unless these are
+ fixing an Android-specific bug, these are very unlikely to be accepted unless they have been
+ coordinated with kernel-team@android.com. If you want to proceed, post a patch that conforms to the
+ patch requirements below.
+
+# Common Kernel patch requirements
+
+- All patches must conform to the Linux kernel coding standards and pass `script/checkpatch.pl`
+- Patches shall not break gki_defconfig or allmodconfig builds for arm, arm64, x86, x86_64 architectures
+(see https://source.android.com/setup/build/building-kernels)
+- If the patch is not merged from an upstream branch, the subject must be tagged with the type of patch:
+`UPSTREAM:`, `BACKPORT:`, `FROMGIT:`, `FROMLIST:`, or `ANDROID:`.
+- All patches must have a `Change-Id:` tag (see https://gerrit-review.googlesource.com/Documentation/user-changeid.html)
+- If an Android bug has been assigned, there must be a `Bug:` tag.
+- All patches must have a `Signed-off-by:` tag by the author and the submitter
+
+Additional requirements are listed below based on patch type
+
+## Requirements for backports from mainline Linux: `UPSTREAM:`, `BACKPORT:`
+
+- If the patch is a cherry-pick from Linux mainline with no changes at all
+ - tag the patch subject with `UPSTREAM:`.
+ - add upstream commit information with a `(cherry picked from commit ...)` line
+ - Example:
+ - if the upstream commit message is
+```
+ important patch from upstream
+
+ This is the detailed description of the important patch
+
+ Signed-off-by: Fred Jones <fred.jones@foo.org>
+```
+>- then Joe Smith would upload the patch for the common kernel as
+```
+ UPSTREAM: important patch from upstream
+
+ This is the detailed description of the important patch
+
+ Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+ Bug: 135791357
+ Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+ (cherry picked from commit c31e73121f4c1ec41143423ac6ce3ce6dafdcec1)
+ Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+- If the patch requires any changes from the upstream version, tag the patch with `BACKPORT:`
+instead of `UPSTREAM:`.
+ - use the same tags as `UPSTREAM:`
+ - add comments about the changes under the `(cherry picked from commit ...)` line
+ - Example:
+```
+ BACKPORT: important patch from upstream
+
+ This is the detailed description of the important patch
+
+ Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+ Bug: 135791357
+ Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+ (cherry picked from commit c31e73121f4c1ec41143423ac6ce3ce6dafdcec1)
+ [joe: Resolved minor conflict in drivers/foo/bar.c ]
+ Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+## Requirements for other backports: `FROMGIT:`, `FROMLIST:`,
+
+- If the patch has been merged into an upstream maintainer tree, but has not yet
+been merged into Linux mainline
+ - tag the patch subject with `FROMGIT:`
+ - add info on where the patch came from as `(cherry picked from commit <sha1> <repo> <branch>)`. This
+must be a stable maintainer branch (not rebased, so don't use `linux-next` for example).
+ - if changes were required, use `BACKPORT: FROMGIT:`
+ - Example:
+ - if the commit message in the maintainer tree is
+```
+ important patch from upstream
+
+ This is the detailed description of the important patch
+
+ Signed-off-by: Fred Jones <fred.jones@foo.org>
+```
+>- then Joe Smith would upload the patch for the common kernel as
+```
+ FROMGIT: important patch from upstream
+
+ This is the detailed description of the important patch
+
+ Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+ Bug: 135791357
+ (cherry picked from commit 878a2fd9de10b03d11d2f622250285c7e63deace
+ https://git.kernel.org/pub/scm/linux/kernel/git/foo/bar.git test-branch)
+ Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+ Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+
+- If the patch has been submitted to LKML, but not accepted into any maintainer tree
+ - tag the patch subject with `FROMLIST:`
+ - add a `Link:` tag with a link to the submittal on lore.kernel.org
+ - add a `Bug:` tag with the Android bug (required for patches not accepted into
+a maintainer tree)
+ - if changes were required, use `BACKPORT: FROMLIST:`
+ - Example:
+```
+ FROMLIST: important patch from upstream
+
+ This is the detailed description of the important patch
+
+ Signed-off-by: Fred Jones <fred.jones@foo.org>
+
+ Bug: 135791357
+ Link: https://lore.kernel.org/lkml/20190619171517.GA17557@someone.com/
+ Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+ Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+## Requirements for Android-specific patches: `ANDROID:`
+
+- If the patch is fixing a bug to Android-specific code
+ - tag the patch subject with `ANDROID:`
+ - add a `Fixes:` tag that cites the patch with the bug
+ - Example:
+```
+ ANDROID: fix android-specific bug in foobar.c
+
+ This is the detailed description of the important fix
+
+ Fixes: 1234abcd2468 ("foobar: add cool feature")
+ Change-Id: I4caaaa566ea080fa148c5e768bb1a0b6f7201c01
+ Signed-off-by: Joe Smith <joe.smith@foo.org>
+```
+
+- If the patch is a new feature
+ - tag the patch subject with `ANDROID:`
+ - add a `Bug:` tag with the Android bug (required for android-specific features)
+
diff --git a/android/abi_gki_aarch64 b/android/abi_gki_aarch64
new file mode 100644
index 0000000..57914f2
--- /dev/null
+++ b/android/abi_gki_aarch64
@@ -0,0 +1,4 @@
+[abi_symbol_list]
+# commonly used symbols
+ module_layout
+ __put_task_struct
diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml
new file mode 100755
index 0000000..70cce62
--- /dev/null
+++ b/android/abi_gki_aarch64.xml
@@ -0,0 +1,143457 @@
+<abi-corpus-group version='2.0' architecture='elf-arm-aarch64'>
+ <abi-corpus version='2.0' path='vmlinux' architecture='elf-arm-aarch64'>
+ <elf-function-symbols>
+ <elf-symbol name='PDE_DATA' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb24a559'/>
+ <elf-symbol name='__ClearPageMovable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12641630'/>
+ <elf-symbol name='__SetPageMovable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba0d0a4a'/>
+ <elf-symbol name='___pskb_trim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f0b3b26'/>
+ <elf-symbol name='___ratelimit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d24c881'/>
+ <elf-symbol name='__alloc_disk_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1736077'/>
+ <elf-symbol name='__alloc_pages_nodemask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfd14bde'/>
+ <elf-symbol name='__alloc_percpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x949f7342'/>
+ <elf-symbol name='__alloc_percpu_gfp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf793668'/>
+ <elf-symbol name='__alloc_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcf85bc0'/>
+ <elf-symbol name='__arch_clear_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55686530'/>
+ <elf-symbol name='__arch_copy_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf507de1'/>
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+ <elf-symbol name='__module_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96c21ce0'/>
+ <elf-symbol name='__msecs_to_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f02188f'/>
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+ <elf-symbol name='__napi_alloc_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2b85dd7'/>
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+ <elf-symbol name='__ndelay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf8c695a'/>
+ <elf-symbol name='__neigh_event_send' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78218cd9'/>
+ <elf-symbol name='__netdev_alloc_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x250f3ecf'/>
+ <elf-symbol name='__netif_napi_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x339d9ecc'/>
+ <elf-symbol name='__netif_set_xps_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x376690a8'/>
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+ <elf-symbol name='__of_reset_control_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a578e62'/>
+ <elf-symbol name='__page_pinner_migration_failed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x336a06'/>
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+ <elf-symbol name='__percpu_down_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec40655f'/>
+ <elf-symbol name='__percpu_init_rwsem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21a1cfeb'/>
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+ <elf-symbol name='__platform_register_drivers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf92ad4a6'/>
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+ <elf-symbol name='__pm_runtime_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7c8e259'/>
+ <elf-symbol name='__pm_runtime_idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x871df5fa'/>
+ <elf-symbol name='__pm_runtime_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8637ac5d'/>
+ <elf-symbol name='__pm_runtime_set_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ec1d781'/>
+ <elf-symbol name='__pm_runtime_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8ed0ca2'/>
+ <elf-symbol name='__pm_runtime_use_autosuspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac3099d'/>
+ <elf-symbol name='__pm_stay_awake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a3901ee'/>
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+ <elf-symbol name='__pskb_copy_fclone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74ea512'/>
+ <elf-symbol name='__pskb_pull_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x852c3cd1'/>
+ <elf-symbol name='__put_net' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92e9bac'/>
+ <elf-symbol name='__put_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1022e36e'/>
+ <elf-symbol name='__put_task_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a80f9a6'/>
+ <elf-symbol name='__rb_erase_color' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x551bd071'/>
+ <elf-symbol name='__rb_insert_augmented' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x120b336a'/>
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+ <elf-symbol name='__rcu_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2469810f'/>
+ <elf-symbol name='__refrigerator' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4482cdb'/>
+ <elf-symbol name='__register_chrdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb0a7735'/>
+ <elf-symbol name='__register_rpmsg_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80e710a1'/>
+ <elf-symbol name='__regmap_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50ab5bd6'/>
+ <elf-symbol name='__regmap_init_mmio_clk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4626114a'/>
+ <elf-symbol name='__release_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1848221d'/>
+ <elf-symbol name='__request_module' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa24f23d8'/>
+ <elf-symbol name='__request_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d9ee2a0'/>
+ <elf-symbol name='__request_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca39ba0'/>
+ <elf-symbol name='__rht_bucket_nested' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0d156e9'/>
+ <elf-symbol name='__rt_mutex_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40bbb501'/>
+ <elf-symbol name='__rtc_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd8cab20'/>
+ <elf-symbol name='__sbitmap_queue_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd116ad0'/>
+ <elf-symbol name='__scsi_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd55434'/>
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+ <elf-symbol name='__scsi_iterate_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74c832ea'/>
+ <elf-symbol name='__scsi_print_sense' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c752fc2'/>
+ <elf-symbol name='__sdhci_add_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff6c3d55'/>
+ <elf-symbol name='__sdhci_set_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32f96204'/>
+ <elf-symbol name='__seq_open_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa52dad32'/>
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+ <elf-symbol name='__sg_page_iter_dma_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc445ceb'/>
+ <elf-symbol name='__sg_page_iter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c9ca58f'/>
+ <elf-symbol name='__sg_page_iter_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccd4c999'/>
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+ <elf-symbol name='__skb_flow_dissect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x677510ed'/>
+ <elf-symbol name='__skb_get_hash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc21ad650'/>
+ <elf-symbol name='__skb_gso_segment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74a47aef'/>
+ <elf-symbol name='__skb_pad' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ab4c8ac'/>
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+ <elf-symbol name='__splice_from_pipe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf25c1d11'/>
+ <elf-symbol name='__spmi_driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d6222e3'/>
+ <elf-symbol name='__srcu_read_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a216b85'/>
+ <elf-symbol name='__srcu_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70272ece'/>
+ <elf-symbol name='__stack_chk_fail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98a9d10c'/>
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+ <elf-symbol name='__sw_hweight8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc3fcbc9'/>
+ <elf-symbol name='__sync_dirty_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f12928f'/>
+ <elf-symbol name='__sysfs_match_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x169938c1'/>
+ <elf-symbol name='__task_pid_nr_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38e2b43d'/>
+ <elf-symbol name='__task_rq_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b80e304'/>
+ <elf-symbol name='__tasklet_hi_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e3bad0a'/>
+ <elf-symbol name='__tasklet_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d2ab8ac'/>
+ <elf-symbol name='__trace_bprintk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa20d01ba'/>
+ <elf-symbol name='__trace_bputs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1e25684'/>
+ <elf-symbol name='__trace_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x133969d7'/>
+ <elf-symbol name='__trace_puts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d41e6f5'/>
+ <elf-symbol name='__traceiter_android_rvh_account_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad40ce9c'/>
+ <elf-symbol name='__traceiter_android_rvh_after_dequeue_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e7816dd'/>
+ <elf-symbol name='__traceiter_android_rvh_after_enqueue_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3381861'/>
+ <elf-symbol name='__traceiter_android_rvh_binder_transaction' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf57c4087'/>
+ <elf-symbol name='__traceiter_android_rvh_build_perf_domains' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b4a53af'/>
+ <elf-symbol name='__traceiter_android_rvh_can_migrate_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44f6f339'/>
+ <elf-symbol name='__traceiter_android_rvh_cgroup_force_kthread_migration' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x453305e0'/>
+ <elf-symbol name='__traceiter_android_rvh_check_preempt_tick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9e69b99'/>
+ <elf-symbol name='__traceiter_android_rvh_check_preempt_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc10e1cb9'/>
+ <elf-symbol name='__traceiter_android_rvh_cpu_cgroup_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c6027e9'/>
+ <elf-symbol name='__traceiter_android_rvh_cpu_cgroup_can_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85e7ee1b'/>
+ <elf-symbol name='__traceiter_android_rvh_cpu_cgroup_online' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe05649a'/>
+ <elf-symbol name='__traceiter_android_rvh_cpu_overutilized' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f085466'/>
+ <elf-symbol name='__traceiter_android_rvh_cpufreq_transition' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32884ab8'/>
+ <elf-symbol name='__traceiter_android_rvh_cpuset_fork' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea35ae1f'/>
+ <elf-symbol name='__traceiter_android_rvh_dequeue_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1cb584b'/>
+ <elf-symbol name='__traceiter_android_rvh_dequeue_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8881d31b'/>
+ <elf-symbol name='__traceiter_android_rvh_dequeue_task_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37a9a528'/>
+ <elf-symbol name='__traceiter_android_rvh_die_kernel_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91f68209'/>
+ <elf-symbol name='__traceiter_android_rvh_do_mem_abort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x669812d6'/>
+ <elf-symbol name='__traceiter_android_rvh_do_sched_yield' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0fb88e'/>
+ <elf-symbol name='__traceiter_android_rvh_do_sp_pc_abort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47243dfd'/>
+ <elf-symbol name='__traceiter_android_rvh_enqueue_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0c4e55d'/>
+ <elf-symbol name='__traceiter_android_rvh_enqueue_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58dae35a'/>
+ <elf-symbol name='__traceiter_android_rvh_enqueue_task_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43c0283e'/>
+ <elf-symbol name='__traceiter_android_rvh_find_busiest_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96069d09'/>
+ <elf-symbol name='__traceiter_android_rvh_find_busiest_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf9f213e'/>
+ <elf-symbol name='__traceiter_android_rvh_find_energy_efficient_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf429a0a9'/>
+ <elf-symbol name='__traceiter_android_rvh_find_lowest_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eb575b3'/>
+ <elf-symbol name='__traceiter_android_rvh_find_new_ilb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa44cff02'/>
+ <elf-symbol name='__traceiter_android_rvh_finish_prio_fork' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57d02684'/>
+ <elf-symbol name='__traceiter_android_rvh_flush_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x958b1c4a'/>
+ <elf-symbol name='__traceiter_android_rvh_force_compatible_post' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf102d826'/>
+ <elf-symbol name='__traceiter_android_rvh_force_compatible_pre' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0f0a435'/>
+ <elf-symbol name='__traceiter_android_rvh_gic_v3_set_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25a6dad6'/>
+ <elf-symbol name='__traceiter_android_rvh_irqs_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x707d1f10'/>
+ <elf-symbol name='__traceiter_android_rvh_irqs_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a345722'/>
+ <elf-symbol name='__traceiter_android_rvh_media_device_setup_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fd6e7b6'/>
+ <elf-symbol name='__traceiter_android_rvh_migrate_queued_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3956afaa'/>
+ <elf-symbol name='__traceiter_android_rvh_new_task_stats' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcae8fc2'/>
+ <elf-symbol name='__traceiter_android_rvh_pci_d3_sleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x966ffc84'/>
+ <elf-symbol name='__traceiter_android_rvh_pick_next_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c4b8ada'/>
+ <elf-symbol name='__traceiter_android_rvh_place_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9f0725'/>
+ <elf-symbol name='__traceiter_android_rvh_post_init_entity_util_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcfea98e'/>
+ <elf-symbol name='__traceiter_android_rvh_preempt_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1585c762'/>
+ <elf-symbol name='__traceiter_android_rvh_preempt_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3235e37a'/>
+ <elf-symbol name='__traceiter_android_rvh_prepare_prio_fork' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3633d247'/>
+ <elf-symbol name='__traceiter_android_rvh_replace_next_task_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58959f85'/>
+ <elf-symbol name='__traceiter_android_rvh_report_bug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41d4f1c5'/>
+ <elf-symbol name='__traceiter_android_rvh_resume_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb534bb05'/>
+ <elf-symbol name='__traceiter_android_rvh_rtmutex_prepare_setprio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b3dee42'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_balance_rt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe6f3e3c'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_cpu_dying' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc40c01e0'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_cpu_starting' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x335e5307'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_exec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd854f169'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_fork' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd782d4d9'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_fork_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d7b4c'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_newidle_balance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37a7beb5'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_nohz_balancer_kick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x871e1429'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_rebalance_domains' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48cac8f4'/>
+ <elf-symbol name='__traceiter_android_rvh_sched_setaffinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f4ed839'/>
+ <elf-symbol name='__traceiter_android_rvh_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dfa3759'/>
+ <elf-symbol name='__traceiter_android_rvh_schedule_bug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2420f479'/>
+ <elf-symbol name='__traceiter_android_rvh_select_fallback_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8be8d1b9'/>
+ <elf-symbol name='__traceiter_android_rvh_select_task_rq_fair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5e63c41'/>
+ <elf-symbol name='__traceiter_android_rvh_select_task_rq_rt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ae5df0'/>
+ <elf-symbol name='__traceiter_android_rvh_set_balance_anon_file_reclaim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6260c8f6'/>
+ <elf-symbol name='__traceiter_android_rvh_set_cpus_allowed_comm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7190ad78'/>
+ <elf-symbol name='__traceiter_android_rvh_set_gfp_zone_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91cdc04e'/>
+ <elf-symbol name='__traceiter_android_rvh_set_iowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7cb3a52'/>
+ <elf-symbol name='__traceiter_android_rvh_set_readahead_gfp_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2ef550d'/>
+ <elf-symbol name='__traceiter_android_rvh_set_skip_swapcache_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28f23c0'/>
+ <elf-symbol name='__traceiter_android_rvh_set_task_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b9ba1f5'/>
+ <elf-symbol name='__traceiter_android_rvh_set_user_nice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9846879c'/>
+ <elf-symbol name='__traceiter_android_rvh_setscheduler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f5f9ee2'/>
+ <elf-symbol name='__traceiter_android_rvh_show_max_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92dadd45'/>
+ <elf-symbol name='__traceiter_android_rvh_tick_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed5a5fe0'/>
+ <elf-symbol name='__traceiter_android_rvh_try_to_wake_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e25f11d'/>
+ <elf-symbol name='__traceiter_android_rvh_try_to_wake_up_success' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42380ebc'/>
+ <elf-symbol name='__traceiter_android_rvh_ttwu_cond' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbc05d93'/>
+ <elf-symbol name='__traceiter_android_rvh_typec_tcpci_chk_contaminant' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x760027e1'/>
+ <elf-symbol name='__traceiter_android_rvh_typec_tcpci_get_vbus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37614c90'/>
+ <elf-symbol name='__traceiter_android_rvh_uclamp_eff_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd727fd8d'/>
+ <elf-symbol name='__traceiter_android_rvh_ufs_complete_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x347db806'/>
+ <elf-symbol name='__traceiter_android_rvh_ufs_reprogram_all_keys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac38cf23'/>
+ <elf-symbol name='__traceiter_android_rvh_update_cpu_capacity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7020ac9'/>
+ <elf-symbol name='__traceiter_android_rvh_update_cpus_allowed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f74f0f1'/>
+ <elf-symbol name='__traceiter_android_rvh_update_misfit_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d914af6'/>
+ <elf-symbol name='__traceiter_android_rvh_util_est_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cafcf14'/>
+ <elf-symbol name='__traceiter_android_rvh_v4l2subdev_set_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ac226ce'/>
+ <elf-symbol name='__traceiter_android_rvh_v4l2subdev_set_frame_interval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd8a2711'/>
+ <elf-symbol name='__traceiter_android_rvh_v4l2subdev_set_selection' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a092cf8'/>
+ <elf-symbol name='__traceiter_android_rvh_wake_up_new_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x198d7179'/>
+ <elf-symbol name='__traceiter_android_vh_account_task_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f7a1ebe'/>
+ <elf-symbol name='__traceiter_android_vh_aes_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0d1574b'/>
+ <elf-symbol name='__traceiter_android_vh_aes_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6160ff0c'/>
+ <elf-symbol name='__traceiter_android_vh_aes_expandkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc004b58'/>
+ <elf-symbol name='__traceiter_android_vh_allow_domain_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c813b59'/>
+ <elf-symbol name='__traceiter_android_vh_alter_futex_plist_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16e632ce'/>
+ <elf-symbol name='__traceiter_android_vh_alter_mutex_list_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87f8492d'/>
+ <elf-symbol name='__traceiter_android_vh_alter_rwsem_list_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2817e3af'/>
+ <elf-symbol name='__traceiter_android_vh_arch_set_freq_scale' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb98e0e01'/>
+ <elf-symbol name='__traceiter_android_vh_binder_alloc_new_buf_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4774778'/>
+ <elf-symbol name='__traceiter_android_vh_binder_del_ref' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd48448e'/>
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+ <elf-symbol name='__traceiter_android_vh_binder_print_transaction_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e53aa57'/>
+ <elf-symbol name='__traceiter_android_vh_binder_priority_skip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3007995'/>
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+ <elf-symbol name='__traceiter_android_vh_binder_restore_priority' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89fed35e'/>
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+ <elf-symbol name='__traceiter_android_vh_blk_alloc_rqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ed158df'/>
+ <elf-symbol name='__traceiter_android_vh_blk_rq_ctx_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x644af33f'/>
+ <elf-symbol name='__traceiter_android_vh_build_sched_domains' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1522f52'/>
+ <elf-symbol name='__traceiter_android_vh_cgroup_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ce3c902'/>
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+ <elf-symbol name='__traceiter_android_vh_check_bpf_syscall' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b8a66b'/>
+ <elf-symbol name='__traceiter_android_vh_check_file_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6264fdb2'/>
+ <elf-symbol name='__traceiter_android_vh_check_mmap_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ede6b04'/>
+ <elf-symbol name='__traceiter_android_vh_check_uninterruptible_tasks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdefaa9d5'/>
+ <elf-symbol name='__traceiter_android_vh_check_uninterruptible_tasks_dn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x886d1e23'/>
+ <elf-symbol name='__traceiter_android_vh_clear_mask_adjust' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcbeb1478'/>
+ <elf-symbol name='__traceiter_android_vh_clear_reserved_fmt_fields' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3409706a'/>
+ <elf-symbol name='__traceiter_android_vh_cma_alloc_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f7a01cf'/>
+ <elf-symbol name='__traceiter_android_vh_cma_alloc_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44fcd06e'/>
+ <elf-symbol name='__traceiter_android_vh_commit_creds' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9177823e'/>
+ <elf-symbol name='__traceiter_android_vh_cpu_idle_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdc34d2e'/>
+ <elf-symbol name='__traceiter_android_vh_cpu_idle_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd966796c'/>
+ <elf-symbol name='__traceiter_android_vh_cpu_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6d87b6a'/>
+ <elf-symbol name='__traceiter_android_vh_cpufreq_acct_update_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x216ac65a'/>
+ <elf-symbol name='__traceiter_android_vh_cpufreq_fast_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9be8a43e'/>
+ <elf-symbol name='__traceiter_android_vh_cpufreq_resolve_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44c4b580'/>
+ <elf-symbol name='__traceiter_android_vh_cpufreq_target' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84b3623a'/>
+ <elf-symbol name='__traceiter_android_vh_cpuidle_psci_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cbffc19'/>
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+ <elf-symbol name='__traceiter_android_vh_do_send_sig_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d17560f'/>
+ <elf-symbol name='__traceiter_android_vh_do_wake_up_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7565179c'/>
+ <elf-symbol name='__traceiter_android_vh_dump_throttled_rt_tasks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a34d1a3'/>
+ <elf-symbol name='__traceiter_android_vh_em_cpu_energy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd60a0819'/>
+ <elf-symbol name='__traceiter_android_vh_enable_thermal_genl_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc39a1e16'/>
+ <elf-symbol name='__traceiter_android_vh_ep_create_wakeup_source' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e8ed582'/>
+ <elf-symbol name='__traceiter_android_vh_exclude_reserved_zone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x697a6684'/>
+ <elf-symbol name='__traceiter_android_vh_exit_creds' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1002fcf3'/>
+ <elf-symbol name='__traceiter_android_vh_exit_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89978f8d'/>
+ <elf-symbol name='__traceiter_android_vh_filemap_fault_cache_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2c329c2'/>
+ <elf-symbol name='__traceiter_android_vh_filemap_fault_get_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bfc2d63'/>
+ <elf-symbol name='__traceiter_android_vh_fill_ext_fmtdesc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fbdd9c8'/>
+ <elf-symbol name='__traceiter_android_vh_finish_update_load_avg_se' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf8573d8'/>
+ <elf-symbol name='__traceiter_android_vh_free_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e6d4c7'/>
+ <elf-symbol name='__traceiter_android_vh_freq_qos_add_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2337c613'/>
+ <elf-symbol name='__traceiter_android_vh_freq_qos_remove_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x332e571d'/>
+ <elf-symbol name='__traceiter_android_vh_freq_qos_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe802443d'/>
+ <elf-symbol name='__traceiter_android_vh_freq_table_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0dee6a6'/>
+ <elf-symbol name='__traceiter_android_vh_ftrace_dump_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47509209'/>
+ <elf-symbol name='__traceiter_android_vh_ftrace_format_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f89ea93'/>
+ <elf-symbol name='__traceiter_android_vh_ftrace_oops_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f2a1cc1'/>
+ <elf-symbol name='__traceiter_android_vh_ftrace_oops_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x351f4988'/>
+ <elf-symbol name='__traceiter_android_vh_ftrace_size_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd210b7ec'/>
+ <elf-symbol name='__traceiter_android_vh_get_from_fragment_pool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59ab5c34'/>
+ <elf-symbol name='__traceiter_android_vh_gic_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd99a1ac6'/>
+ <elf-symbol name='__traceiter_android_vh_gpio_block_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbb0ca4d'/>
+ <elf-symbol name='__traceiter_android_vh_include_reserved_zone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1272155'/>
+ <elf-symbol name='__traceiter_android_vh_iommu_alloc_iova' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc2a81cc'/>
+ <elf-symbol name='__traceiter_android_vh_iommu_free_iova' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x364f5d4'/>
+ <elf-symbol name='__traceiter_android_vh_iommu_iovad_alloc_iova' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55a0de3'/>
+ <elf-symbol name='__traceiter_android_vh_iommu_iovad_free_iova' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bd5ae37'/>
+ <elf-symbol name='__traceiter_android_vh_iommu_setup_dma_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4272ebae'/>
+ <elf-symbol name='__traceiter_android_vh_ipi_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x250fcbba'/>
+ <elf-symbol name='__traceiter_android_vh_ipv6_gen_linklocal_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed05983e'/>
+ <elf-symbol name='__traceiter_android_vh_is_fpsimd_save' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e9c369e'/>
+ <elf-symbol name='__traceiter_android_vh_jiffies_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67d76d04'/>
+ <elf-symbol name='__traceiter_android_vh_kfree_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd93a42f0'/>
+ <elf-symbol name='__traceiter_android_vh_kmalloc_slab' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cb30b6'/>
+ <elf-symbol name='__traceiter_android_vh_logbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e160169'/>
+ <elf-symbol name='__traceiter_android_vh_logbuf_pr_cont' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f999f8c'/>
+ <elf-symbol name='__traceiter_android_vh_map_util_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3e2145e'/>
+ <elf-symbol name='__traceiter_android_vh_media_device_setup_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe465b969'/>
+ <elf-symbol name='__traceiter_android_vh_mem_cgroup_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x695869bc'/>
+ <elf-symbol name='__traceiter_android_vh_mem_cgroup_css_offline' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1640e740'/>
+ <elf-symbol name='__traceiter_android_vh_mem_cgroup_css_online' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b422374'/>
+ <elf-symbol name='__traceiter_android_vh_mem_cgroup_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73d2ab43'/>
+ <elf-symbol name='__traceiter_android_vh_mem_cgroup_id_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3800bd9c'/>
+ <elf-symbol name='__traceiter_android_vh_meminfo_proc_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf564ff2b'/>
+ <elf-symbol name='__traceiter_android_vh_mm_dirty_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d8c1557'/>
+ <elf-symbol name='__traceiter_android_vh_mmap_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb88783b6'/>
+ <elf-symbol name='__traceiter_android_vh_mmc_attach_sd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11fa3fc3'/>
+ <elf-symbol name='__traceiter_android_vh_mmc_blk_mq_rw_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a666675'/>
+ <elf-symbol name='__traceiter_android_vh_mmc_blk_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae47a396'/>
+ <elf-symbol name='__traceiter_android_vh_mmc_gpio_cd_irqt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20027843'/>
+ <elf-symbol name='__traceiter_android_vh_mutex_unlock_slowpath' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f35aa75'/>
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+ <elf-symbol name='__traceiter_android_vh_override_creds' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a373561'/>
+ <elf-symbol name='__traceiter_android_vh_pagecache_get_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57236bba'/>
+ <elf-symbol name='__traceiter_android_vh_prepare_update_load_avg_se' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9429c7b'/>
+ <elf-symbol name='__traceiter_android_vh_printk_hotplug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5728d98f'/>
+ <elf-symbol name='__traceiter_android_vh_process_killed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf2abc9b'/>
+ <elf-symbol name='__traceiter_android_vh_ptype_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eb05f'/>
+ <elf-symbol name='__traceiter_android_vh_revert_creds' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5c61c41'/>
+ <elf-symbol name='__traceiter_android_vh_rmqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48f52d6c'/>
+ <elf-symbol name='__traceiter_android_vh_rproc_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91abb8e'/>
+ <elf-symbol name='__traceiter_android_vh_rproc_recovery_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb63695c9'/>
+ <elf-symbol name='__traceiter_android_vh_rwsem_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce4ae038'/>
+ <elf-symbol name='__traceiter_android_vh_rwsem_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a813da7'/>
+ <elf-symbol name='__traceiter_android_vh_rwsem_wake_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd987012'/>
+ <elf-symbol name='__traceiter_android_vh_rwsem_write_finished' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd61e47bf'/>
+ <elf-symbol name='__traceiter_android_vh_save_track_hash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bc3dfb7'/>
+ <elf-symbol name='__traceiter_android_vh_save_vmalloc_stack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf510618'/>
+ <elf-symbol name='__traceiter_android_vh_sched_setaffinity_early' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a5239a6'/>
+ <elf-symbol name='__traceiter_android_vh_sched_stat_runtime_rt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18567cdf'/>
+ <elf-symbol name='__traceiter_android_vh_scheduler_tick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c91de8f'/>
+ <elf-symbol name='__traceiter_android_vh_scmi_timeout_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa40e7e09'/>
+ <elf-symbol name='__traceiter_android_vh_sd_update_bus_speed_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd12257ab'/>
+ <elf-symbol name='__traceiter_android_vh_sdhci_get_cd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26c919fe'/>
+ <elf-symbol name='__traceiter_android_vh_selinux_avc_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63355515'/>
+ <elf-symbol name='__traceiter_android_vh_selinux_avc_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3d7823f'/>
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+ <elf-symbol name='__traceiter_android_vh_selinux_avc_node_replace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4afe4d1'/>
+ <elf-symbol name='__traceiter_android_vh_selinux_is_initialized' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf16d692'/>
+ <elf-symbol name='__traceiter_android_vh_set_memory_nx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6f7d324'/>
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+ <elf-symbol name='__traceiter_android_vh_set_memory_rw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb64a947f'/>
+ <elf-symbol name='__traceiter_android_vh_set_memory_x' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25499d64'/>
+ <elf-symbol name='__traceiter_android_vh_set_module_permit_after_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf891366f'/>
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+ <elf-symbol name='__traceiter_android_vh_set_wake_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb592ac11'/>
+ <elf-symbol name='__traceiter_android_vh_setscheduler_uclamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc34cea02'/>
+ <elf-symbol name='__traceiter_android_vh_sha256' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88fe3e25'/>
+ <elf-symbol name='__traceiter_android_vh_show_max_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5681f17'/>
+ <elf-symbol name='__traceiter_android_vh_show_mem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d424b7d'/>
+ <elf-symbol name='__traceiter_android_vh_show_resume_epoch_val' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80932910'/>
+ <elf-symbol name='__traceiter_android_vh_show_stack_hash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83200c43'/>
+ <elf-symbol name='__traceiter_android_vh_show_suspend_epoch_val' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c84167'/>
+ <elf-symbol name='__traceiter_android_vh_shrink_slab_bypass' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0334e59'/>
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+ <elf-symbol name='__traceiter_android_vh_snd_soc_card_get_comp_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x469905b0'/>
+ <elf-symbol name='__traceiter_android_vh_sound_usb_support_cpu_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e022349'/>
+ <elf-symbol name='__traceiter_android_vh_sync_txn_recvd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x584627e2'/>
+ <elf-symbol name='__traceiter_android_vh_syscall_prctl_finished' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15e37672'/>
+ <elf-symbol name='__traceiter_android_vh_thermal_pm_notify_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d0ef19f'/>
+ <elf-symbol name='__traceiter_android_vh_timer_calc_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x110d6b1e'/>
+ <elf-symbol name='__traceiter_android_vh_timerfd_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c68d59c'/>
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+ <elf-symbol name='__traceiter_android_vh_tune_inactive_ratio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3c873e2'/>
+ <elf-symbol name='__traceiter_android_vh_tune_scan_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x842cf72c'/>
+ <elf-symbol name='__traceiter_android_vh_tune_swappiness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2ac8d57'/>
+ <elf-symbol name='__traceiter_android_vh_typec_store_partner_src_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3707443'/>
+ <elf-symbol name='__traceiter_android_vh_typec_tcpci_override_toggling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd3fc09b'/>
+ <elf-symbol name='__traceiter_android_vh_typec_tcpm_adj_current_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb8c6a3c'/>
+ <elf-symbol name='__traceiter_android_vh_typec_tcpm_get_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa264e589'/>
+ <elf-symbol name='__traceiter_android_vh_typec_tcpm_log' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8a5e0bf'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_check_int_errors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfea98e28'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_clock_scaling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce9715cc'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_compl_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x704d014'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_fill_prdt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ebec6eb'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_prepare_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56b84cc'/>
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+ <elf-symbol name='__traceiter_android_vh_ufs_send_tm_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ad14fe0'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_send_uic_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa724649'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_update_sdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5afd339e'/>
+ <elf-symbol name='__traceiter_android_vh_ufs_update_sysfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68f34378'/>
+ <elf-symbol name='__traceiter_android_vh_update_topology_flags_workfn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9046f81'/>
+ <elf-symbol name='__traceiter_android_vh_usb_dev_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc81c1592'/>
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+ <elf-symbol name='__traceiter_android_vh_v4l2subdev_set_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x966f8717'/>
+ <elf-symbol name='__traceiter_android_vh_v4l2subdev_set_frame_interval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56062d28'/>
+ <elf-symbol name='__traceiter_android_vh_v4l2subdev_set_selection' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x841c50e9'/>
+ <elf-symbol name='__traceiter_binder_transaction_received' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x692569ee'/>
+ <elf-symbol name='__traceiter_block_bio_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3283a8b'/>
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+ <elf-symbol name='__traceiter_block_getrq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bb9a19d'/>
+ <elf-symbol name='__traceiter_block_rq_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2f157d1'/>
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+ <elf-symbol name='__traceiter_block_rq_issue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x310f3f2e'/>
+ <elf-symbol name='__traceiter_block_rq_merge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x331c2b62'/>
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+ <elf-symbol name='__traceiter_block_split' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc39270fa'/>
+ <elf-symbol name='__traceiter_clock_set_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa45eb358'/>
+ <elf-symbol name='__traceiter_cpu_frequency' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xead3e41b'/>
+ <elf-symbol name='__traceiter_cpu_frequency_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0de99b1'/>
+ <elf-symbol name='__traceiter_cpu_idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53d7c01e'/>
+ <elf-symbol name='__traceiter_device_pm_callback_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb5870ff'/>
+ <elf-symbol name='__traceiter_device_pm_callback_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeba618da'/>
+ <elf-symbol name='__traceiter_dma_fence_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59e1482'/>
+ <elf-symbol name='__traceiter_dwc3_complete_trb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc851e613'/>
+ <elf-symbol name='__traceiter_dwc3_ctrl_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b8ed47e'/>
+ <elf-symbol name='__traceiter_dwc3_ep_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3809bc54'/>
+ <elf-symbol name='__traceiter_dwc3_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0e91428'/>
+ <elf-symbol name='__traceiter_dwc3_readl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26871a2b'/>
+ <elf-symbol name='__traceiter_dwc3_writel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcff87172'/>
+ <elf-symbol name='__traceiter_gpu_mem_total' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x448af6f4'/>
+ <elf-symbol name='__traceiter_hrtimer_expire_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fbe9aad'/>
+ <elf-symbol name='__traceiter_hrtimer_expire_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x444a8c3c'/>
+ <elf-symbol name='__traceiter_ipi_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3411569'/>
+ <elf-symbol name='__traceiter_ipi_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb7a853b'/>
+ <elf-symbol name='__traceiter_ipi_raise' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb82d26c2'/>
+ <elf-symbol name='__traceiter_irq_handler_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39d41d8f'/>
+ <elf-symbol name='__traceiter_irq_handler_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb7a8058'/>
+ <elf-symbol name='__traceiter_mm_vmscan_direct_reclaim_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x803bf202'/>
+ <elf-symbol name='__traceiter_mm_vmscan_direct_reclaim_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2520b8a'/>
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+ <elf-symbol name='__traceiter_pelt_dl_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x762ec4c8'/>
+ <elf-symbol name='__traceiter_pelt_irq_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d7a9f3f'/>
+ <elf-symbol name='__traceiter_pelt_rt_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5f62501'/>
+ <elf-symbol name='__traceiter_pelt_se_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c068525'/>
+ <elf-symbol name='__traceiter_rwmmio_post_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7257c10'/>
+ <elf-symbol name='__traceiter_rwmmio_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42dea6f7'/>
+ <elf-symbol name='__traceiter_rwmmio_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x729023fd'/>
+ <elf-symbol name='__traceiter_sched_cpu_capacity_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99a3a238'/>
+ <elf-symbol name='__traceiter_sched_overutilized_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f8c3cab'/>
+ <elf-symbol name='__traceiter_sched_stat_blocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2cd96a8'/>
+ <elf-symbol name='__traceiter_sched_stat_iowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6461e7d1'/>
+ <elf-symbol name='__traceiter_sched_stat_runtime' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd68bd7f0'/>
+ <elf-symbol name='__traceiter_sched_stat_sleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff54028f'/>
+ <elf-symbol name='__traceiter_sched_stat_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc79e7a63'/>
+ <elf-symbol name='__traceiter_sched_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6611adb'/>
+ <elf-symbol name='__traceiter_sched_update_nr_running_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7c2d8e'/>
+ <elf-symbol name='__traceiter_sched_util_est_cfs_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78c05973'/>
+ <elf-symbol name='__traceiter_sched_util_est_se_tp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1253e5b'/>
+ <elf-symbol name='__traceiter_sched_waking' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19560a8b'/>
+ <elf-symbol name='__traceiter_suspend_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5883efb'/>
+ <elf-symbol name='__traceiter_task_newtask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48c55435'/>
+ <elf-symbol name='__traceiter_task_rename' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x985e9799'/>
+ <elf-symbol name='__traceiter_usb_gadget_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b576f56'/>
+ <elf-symbol name='__traceiter_usb_gadget_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa39d4339'/>
+ <elf-symbol name='__traceiter_workqueue_execute_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd7ca165'/>
+ <elf-symbol name='__traceiter_workqueue_execute_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b629b42'/>
+ <elf-symbol name='__traceiter_xdp_exception' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b161b9d'/>
+ <elf-symbol name='__traceiter_xhci_urb_giveback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44185be7'/>
+ <elf-symbol name='__tty_alloc_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6d6f001'/>
+ <elf-symbol name='__tty_insert_flip_char' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa93df441'/>
+ <elf-symbol name='__typec_altmode_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d72e52a'/>
+ <elf-symbol name='__udelay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e7d6bd0'/>
+ <elf-symbol name='__uio_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27c24536'/>
+ <elf-symbol name='__unregister_chrdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bc3fbc0'/>
+ <elf-symbol name='__update_load_avg_blocked_se' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbdf5c3e'/>
+ <elf-symbol name='__usb_create_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93e3fb4f'/>
+ <elf-symbol name='__usb_get_extra_descriptor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd36760ef'/>
+ <elf-symbol name='__usecs_to_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1969a8e'/>
+ <elf-symbol name='__v4l2_ctrl_modify_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9578a8e7'/>
+ <elf-symbol name='__v4l2_ctrl_s_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x838d88db'/>
+ <elf-symbol name='__v4l2_ctrl_s_ctrl_compound' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6153421'/>
+ <elf-symbol name='__v4l2_ctrl_s_ctrl_int64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79b8cb1d'/>
+ <elf-symbol name='__v4l2_device_register_subdev_nodes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8408d5e'/>
+ <elf-symbol name='__v4l2_find_nearest_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2822320'/>
+ <elf-symbol name='__video_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x52a1f6ef'/>
+ <elf-symbol name='__vmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae04012c'/>
+ <elf-symbol name='__wait_on_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85b483a3'/>
+ <elf-symbol name='__wait_rcu_gp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfed2cd9'/>
+ <elf-symbol name='__wake_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eeb2322'/>
+ <elf-symbol name='__wake_up_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2773c485'/>
+ <elf-symbol name='__wake_up_locked_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9337cd0'/>
+ <elf-symbol name='__wake_up_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8273d0b'/>
+ <elf-symbol name='__wake_up_sync_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba220db7'/>
+ <elf-symbol name='__warn_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56470118'/>
+ <elf-symbol name='__xa_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf40e7a73'/>
+ <elf-symbol name='__xa_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x296cb509'/>
+ <elf-symbol name='__xfrm_decode_session' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41b76380'/>
+ <elf-symbol name='__xfrm_state_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c30e2e1'/>
+ <elf-symbol name='_atomic_dec_and_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf4fdd4d'/>
+ <elf-symbol name='_bcd2bin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6936ffe'/>
+ <elf-symbol name='_bin2bcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80ca5026'/>
+ <elf-symbol name='_copy_from_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39448fe2'/>
+ <elf-symbol name='_copy_from_iter_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96ccf3d6'/>
+ <elf-symbol name='_copy_to_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0fb5dfb'/>
+ <elf-symbol name='_dev_alert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd55fda3c'/>
+ <elf-symbol name='_dev_crit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4be27a18'/>
+ <elf-symbol name='_dev_emerg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3199a1ef'/>
+ <elf-symbol name='_dev_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ed4c6ae'/>
+ <elf-symbol name='_dev_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eff6041'/>
+ <elf-symbol name='_dev_notice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefae1c39'/>
+ <elf-symbol name='_dev_warn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc7a4422'/>
+ <elf-symbol name='_kstrtoul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54a9db5f'/>
+ <elf-symbol name='_raw_read_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe8c61f0'/>
+ <elf-symbol name='_raw_read_lock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8dee722d'/>
+ <elf-symbol name='_raw_read_lock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48112d76'/>
+ <elf-symbol name='_raw_read_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1342cdb'/>
+ <elf-symbol name='_raw_read_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x889b1370'/>
+ <elf-symbol name='_raw_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd4d55b6'/>
+ <elf-symbol name='_raw_read_unlock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaeb082ad'/>
+ <elf-symbol name='_raw_read_unlock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa58af0a6'/>
+ <elf-symbol name='_raw_read_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf2ebb87'/>
+ <elf-symbol name='_raw_spin_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba8fbd64'/>
+ <elf-symbol name='_raw_spin_lock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3690fc'/>
+ <elf-symbol name='_raw_spin_lock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8427cc7b'/>
+ <elf-symbol name='_raw_spin_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34db050b'/>
+ <elf-symbol name='_raw_spin_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfef216eb'/>
+ <elf-symbol name='_raw_spin_trylock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8518a4a6'/>
+ <elf-symbol name='_raw_spin_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5b54b34'/>
+ <elf-symbol name='_raw_spin_unlock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe46021ca'/>
+ <elf-symbol name='_raw_spin_unlock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b750f53'/>
+ <elf-symbol name='_raw_spin_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd35cce70'/>
+ <elf-symbol name='_raw_write_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe68efe41'/>
+ <elf-symbol name='_raw_write_lock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51a511eb'/>
+ <elf-symbol name='_raw_write_lock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aca0190'/>
+ <elf-symbol name='_raw_write_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5021bd81'/>
+ <elf-symbol name='_raw_write_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x258a2c02'/>
+ <elf-symbol name='_raw_write_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40235c98'/>
+ <elf-symbol name='_raw_write_unlock_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7ab1ecc'/>
+ <elf-symbol name='_raw_write_unlock_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f76baf4'/>
+ <elf-symbol name='_raw_write_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb078aee'/>
+ <elf-symbol name='_snd_ctl_add_follower' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe01a67e4'/>
+ <elf-symbol name='_snd_pcm_stream_lock_irqsave' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10817908'/>
+ <elf-symbol name='_vb2_fop_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3130e516'/>
+ <elf-symbol name='access_process_vm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c1d25ab'/>
+ <elf-symbol name='ack_all_badblocks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eccc739'/>
+ <elf-symbol name='activate_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefe614bb'/>
+ <elf-symbol name='add_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7eb808d0'/>
+ <elf-symbol name='add_device_randomness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2fb6de5d'/>
+ <elf-symbol name='add_memory' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd7aaaee'/>
+ <elf-symbol name='add_memory_subsection' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x690b988e'/>
+ <elf-symbol name='add_random_ready_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67e239bd'/>
+ <elf-symbol name='add_taint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76d451c4'/>
+ <elf-symbol name='add_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65744673'/>
+ <elf-symbol name='add_timer_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa83a512'/>
+ <elf-symbol name='add_uevent_var' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c6febfc'/>
+ <elf-symbol name='add_wait_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4afb2238'/>
+ <elf-symbol name='adjust_managed_page_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa795dc09'/>
+ <elf-symbol name='aead_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe87161bb'/>
+ <elf-symbol name='aes_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78a16f48'/>
+ <elf-symbol name='aes_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77e9eb37'/>
+ <elf-symbol name='aes_expandkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x558b281d'/>
+ <elf-symbol name='ahash_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x226addb8'/>
+ <elf-symbol name='alarm_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x536e1fa7'/>
+ <elf-symbol name='alarm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fbe3658'/>
+ <elf-symbol name='alarm_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x111d2777'/>
+ <elf-symbol name='alarm_start_relative' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeb6361a'/>
+ <elf-symbol name='alarm_try_to_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3295ffe'/>
+ <elf-symbol name='alarmtimer_get_rtcdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9a9c2b1'/>
+ <elf-symbol name='all_vm_events' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7278d328'/>
+ <elf-symbol name='alloc_anon_inode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32b04e72'/>
+ <elf-symbol name='alloc_can_err_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8397a3d'/>
+ <elf-symbol name='alloc_can_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9cb7349'/>
+ <elf-symbol name='alloc_candev_mqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad23eb6'/>
+ <elf-symbol name='alloc_chrdev_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3ec2f2b'/>
+ <elf-symbol name='alloc_etherdev_mqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef1766f7'/>
+ <elf-symbol name='alloc_io_pgtable_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b0dbb7e'/>
+ <elf-symbol name='alloc_netdev_mqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x281e7f55'/>
+ <elf-symbol name='alloc_page_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34fc14dd'/>
+ <elf-symbol name='alloc_pages_exact' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fc72f0e'/>
+ <elf-symbol name='alloc_skb_with_frags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7dc17b9'/>
+ <elf-symbol name='alloc_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf9208c0'/>
+ <elf-symbol name='amba_driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf085eb5c'/>
+ <elf-symbol name='amba_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79525c69'/>
+ <elf-symbol name='amba_release_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x282efeff'/>
+ <elf-symbol name='amba_request_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8623af6f'/>
+ <elf-symbol name='android_debug_for_each_module' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1840ff6f'/>
+ <elf-symbol name='android_debug_per_cpu_symbol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ee3d8d9'/>
+ <elf-symbol name='android_debug_symbol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fd75310'/>
+ <elf-symbol name='android_rvh_probe_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fbbd0bb'/>
+ <elf-symbol name='anon_inode_getfd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66e0c8e3'/>
+ <elf-symbol name='anon_inode_getfile' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb96a2914'/>
+ <elf-symbol name='arc4_crypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd47fcc4'/>
+ <elf-symbol name='arc4_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bb32ad1'/>
+ <elf-symbol name='arch_mmap_rnd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70ff6cfa'/>
+ <elf-symbol name='argv_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0b13336'/>
+ <elf-symbol name='argv_split' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7380dffa'/>
+ <elf-symbol name='async_schedule_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5f370e0'/>
+ <elf-symbol name='async_schedule_node_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd21b61bd'/>
+ <elf-symbol name='async_synchronize_full_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ca4bf88'/>
+ <elf-symbol name='atomic_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3752c27'/>
+ <elf-symbol name='atomic_notifier_chain_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b9997fb'/>
+ <elf-symbol name='atomic_notifier_chain_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7181db30'/>
+ <elf-symbol name='autoremove_wake_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad73041f'/>
+ <elf-symbol name='available_idle_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2088e082'/>
+ <elf-symbol name='backlight_device_get_by_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf95c87a'/>
+ <elf-symbol name='backlight_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22444f95'/>
+ <elf-symbol name='backlight_device_set_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21d447db'/>
+ <elf-symbol name='backlight_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf09046cf'/>
+ <elf-symbol name='badblocks_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x989100e1'/>
+ <elf-symbol name='badblocks_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23d42c79'/>
+ <elf-symbol name='badblocks_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70140a01'/>
+ <elf-symbol name='badblocks_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafd22538'/>
+ <elf-symbol name='badblocks_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d633046'/>
+ <elf-symbol name='badblocks_store' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab431e29'/>
+ <elf-symbol name='balance_dirty_pages_ratelimited' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69c2b6d2'/>
+ <elf-symbol name='balloon_page_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4c7bbbd'/>
+ <elf-symbol name='balloon_page_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26f0ff20'/>
+ <elf-symbol name='balloon_page_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86263224'/>
+ <elf-symbol name='bcmp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x263c3152'/>
+ <elf-symbol name='bd_link_disk_holder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74f18915'/>
+ <elf-symbol name='bd_set_nr_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb92a3c7'/>
+ <elf-symbol name='bd_unlink_disk_holder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86eaa3f4'/>
+ <elf-symbol name='bdev_check_media_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51ab2a6b'/>
+ <elf-symbol name='bdev_read_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99c544f2'/>
+ <elf-symbol name='bdevname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd4da5de'/>
+ <elf-symbol name='bdget_disk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90992d2c'/>
+ <elf-symbol name='bdi_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe636f64'/>
+ <elf-symbol name='bdi_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39089dbd'/>
+ <elf-symbol name='bdi_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1291635'/>
+ <elf-symbol name='bdput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71c1c88e'/>
+ <elf-symbol name='bgpio_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf6f86a6'/>
+ <elf-symbol name='bin2hex' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd45cc6ca'/>
+ <elf-symbol name='bio_add_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe51834bf'/>
+ <elf-symbol name='bio_add_pc_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68e945b3'/>
+ <elf-symbol name='bio_alloc_bioset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8adb2d0'/>
+ <elf-symbol name='bio_associate_blkg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfadd82c6'/>
+ <elf-symbol name='bio_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3650836f'/>
+ <elf-symbol name='bio_clone_blkg_association' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3031fd19'/>
+ <elf-symbol name='bio_endio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56256b2f'/>
+ <elf-symbol name='bio_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98add6c6'/>
+ <elf-symbol name='bio_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e359aa9'/>
+ <elf-symbol name='bio_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92c823b1'/>
+ <elf-symbol name='bioset_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x679e9dab'/>
+ <elf-symbol name='bioset_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed64a00'/>
+ <elf-symbol name='bit_wait_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44bae227'/>
+ <elf-symbol name='bitmap_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20dbf27'/>
+ <elf-symbol name='bitmap_allocate_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdac4913a'/>
+ <elf-symbol name='bitmap_find_free_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63a7c28c'/>
+ <elf-symbol name='bitmap_find_next_zero_area_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64127b67'/>
+ <elf-symbol name='bitmap_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca21ebd3'/>
+ <elf-symbol name='bitmap_from_arr32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8d07858'/>
+ <elf-symbol name='bitmap_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb97220ff'/>
+ <elf-symbol name='bitmap_parselist' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b015d25'/>
+ <elf-symbol name='bitmap_parselist_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x634100a'/>
+ <elf-symbol name='bitmap_print_to_pagebuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf474c21c'/>
+ <elf-symbol name='bitmap_release_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x574c2e74'/>
+ <elf-symbol name='bitmap_to_arr32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ec54e78'/>
+ <elf-symbol name='bitmap_zalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2688ec10'/>
+ <elf-symbol name='blk_alloc_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf01c658'/>
+ <elf-symbol name='blk_bio_list_merge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff2ab51d'/>
+ <elf-symbol name='blk_cleanup_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf99f1f1'/>
+ <elf-symbol name='blk_execute_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd20f64a2'/>
+ <elf-symbol name='blk_execute_rq_nowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd76d50d3'/>
+ <elf-symbol name='blk_finish_plug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1d3a15c'/>
+ <elf-symbol name='blk_freeze_queue_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ca26aed'/>
+ <elf-symbol name='blk_get_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb072eded'/>
+ <elf-symbol name='blk_get_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8149df51'/>
+ <elf-symbol name='blk_insert_cloned_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1d965d2'/>
+ <elf-symbol name='blk_ksm_get_slot_idx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1c63523'/>
+ <elf-symbol name='blk_ksm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e8fff5a'/>
+ <elf-symbol name='blk_ksm_init_passthrough' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf93f5adf'/>
+ <elf-symbol name='blk_ksm_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x502cc412'/>
+ <elf-symbol name='blk_ksm_reprogram_all_keys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe785079c'/>
+ <elf-symbol name='blk_mq_alloc_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc747ad5c'/>
+ <elf-symbol name='blk_mq_alloc_request_hctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a948256'/>
+ <elf-symbol name='blk_mq_alloc_tag_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3ae7f79'/>
+ <elf-symbol name='blk_mq_complete_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x332875c8'/>
+ <elf-symbol name='blk_mq_complete_request_remote' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3e35e18'/>
+ <elf-symbol name='blk_mq_debugfs_rq_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e51dbae'/>
+ <elf-symbol name='blk_mq_delay_kick_requeue_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25ec3af8'/>
+ <elf-symbol name='blk_mq_end_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93bd7bdd'/>
+ <elf-symbol name='blk_mq_free_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d191424'/>
+ <elf-symbol name='blk_mq_free_tag_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb73f04ac'/>
+ <elf-symbol name='blk_mq_freeze_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f96fb0c'/>
+ <elf-symbol name='blk_mq_freeze_queue_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43ebc019'/>
+ <elf-symbol name='blk_mq_freeze_queue_wait_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa36c2cb3'/>
+ <elf-symbol name='blk_mq_init_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe757d590'/>
+ <elf-symbol name='blk_mq_init_sq_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96d60e2e'/>
+ <elf-symbol name='blk_mq_map_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d4d7b79'/>
+ <elf-symbol name='blk_mq_pci_map_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e581a9d'/>
+ <elf-symbol name='blk_mq_quiesce_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1510749e'/>
+ <elf-symbol name='blk_mq_requeue_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe731c97b'/>
+ <elf-symbol name='blk_mq_rq_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1580091a'/>
+ <elf-symbol name='blk_mq_run_hw_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5be45e4'/>
+ <elf-symbol name='blk_mq_run_hw_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde5398c3'/>
+ <elf-symbol name='blk_mq_sched_mark_restart_hctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3711f485'/>
+ <elf-symbol name='blk_mq_sched_request_inserted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19af450'/>
+ <elf-symbol name='blk_mq_sched_try_insert_merge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17afa218'/>
+ <elf-symbol name='blk_mq_sched_try_merge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54a4d172'/>
+ <elf-symbol name='blk_mq_start_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9166b782'/>
+ <elf-symbol name='blk_mq_start_stopped_hw_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20e1e5c6'/>
+ <elf-symbol name='blk_mq_stop_hw_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x149b0f7c'/>
+ <elf-symbol name='blk_mq_tag_to_rq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2171c403'/>
+ <elf-symbol name='blk_mq_tagset_busy_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f8974d8'/>
+ <elf-symbol name='blk_mq_tagset_wait_completed_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc209584f'/>
+ <elf-symbol name='blk_mq_unfreeze_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d98534c'/>
+ <elf-symbol name='blk_mq_unique_tag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0e42c60'/>
+ <elf-symbol name='blk_mq_unquiesce_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x631e3ba6'/>
+ <elf-symbol name='blk_mq_update_nr_hw_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x240ec15'/>
+ <elf-symbol name='blk_mq_virtio_map_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5e2d60'/>
+ <elf-symbol name='blk_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc82b8800'/>
+ <elf-symbol name='blk_put_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa97a085'/>
+ <elf-symbol name='blk_put_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57147c41'/>
+ <elf-symbol name='blk_queue_alignment_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdac91f7'/>
+ <elf-symbol name='blk_queue_bounce_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12dabea0'/>
+ <elf-symbol name='blk_queue_can_use_dma_map_merging' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x749bad84'/>
+ <elf-symbol name='blk_queue_chunk_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6486de1'/>
+ <elf-symbol name='blk_queue_dma_alignment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dc70628'/>
+ <elf-symbol name='blk_queue_flag_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbde48987'/>
+ <elf-symbol name='blk_queue_flag_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe98ba6c'/>
+ <elf-symbol name='blk_queue_flag_test_and_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54bf9b7a'/>
+ <elf-symbol name='blk_queue_io_min' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb3aeb71'/>
+ <elf-symbol name='blk_queue_io_opt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e2da57b'/>
+ <elf-symbol name='blk_queue_logical_block_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf082423e'/>
+ <elf-symbol name='blk_queue_max_discard_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d08d30f'/>
+ <elf-symbol name='blk_queue_max_discard_segments' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e08a7c8'/>
+ <elf-symbol name='blk_queue_max_hw_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x771e77be'/>
+ <elf-symbol name='blk_queue_max_segment_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xade6e7b2'/>
+ <elf-symbol name='blk_queue_max_segments' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c2c0563'/>
+ <elf-symbol name='blk_queue_max_write_zeroes_sectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x570de6a7'/>
+ <elf-symbol name='blk_queue_physical_block_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x352b39d1'/>
+ <elf-symbol name='blk_queue_rq_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb936a524'/>
+ <elf-symbol name='blk_queue_split' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5d684c4'/>
+ <elf-symbol name='blk_queue_update_dma_alignment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5777ae00'/>
+ <elf-symbol name='blk_queue_update_dma_pad' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8030d6fa'/>
+ <elf-symbol name='blk_queue_virt_boundary' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76c7ba19'/>
+ <elf-symbol name='blk_queue_write_cache' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x143da591'/>
+ <elf-symbol name='blk_register_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb4185be'/>
+ <elf-symbol name='blk_rq_append_bio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18609fa2'/>
+ <elf-symbol name='blk_rq_map_kern' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcae859c2'/>
+ <elf-symbol name='blk_rq_map_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaae3eac8'/>
+ <elf-symbol name='blk_rq_map_user_iov' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17aab0ad'/>
+ <elf-symbol name='blk_rq_unmap_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a962079'/>
+ <elf-symbol name='blk_set_queue_dying' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d5e2473'/>
+ <elf-symbol name='blk_set_stacking_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec335c8b'/>
+ <elf-symbol name='blk_start_plug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79ec8f93'/>
+ <elf-symbol name='blk_stat_enable_accounting' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2bb4ced'/>
+ <elf-symbol name='blk_status_to_errno' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84502a47'/>
+ <elf-symbol name='blk_sync_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70d185e0'/>
+ <elf-symbol name='blk_unregister_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c4265f6'/>
+ <elf-symbol name='blk_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfbc3e16'/>
+ <elf-symbol name='blk_verify_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27639220'/>
+ <elf-symbol name='blkcg_activate_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffb4345b'/>
+ <elf-symbol name='blkcg_deactivate_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95e0f7e4'/>
+ <elf-symbol name='blkcg_policy_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2679bfca'/>
+ <elf-symbol name='blkcg_policy_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3d8b077'/>
+ <elf-symbol name='blkdev_fsync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x653dfdd4'/>
+ <elf-symbol name='blkdev_get_by_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1aa5f837'/>
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+ <elf-symbol name='clk_register_mux_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x556d2606'/>
+ <elf-symbol name='clk_round_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43f81957'/>
+ <elf-symbol name='clk_set_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2396c7f0'/>
+ <elf-symbol name='clk_set_phase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7329c06'/>
+ <elf-symbol name='clk_set_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76d9b876'/>
+ <elf-symbol name='clk_sync_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x266dca8b'/>
+ <elf-symbol name='clk_unprepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb077e70a'/>
+ <elf-symbol name='clk_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7757b51a'/>
+ <elf-symbol name='clockevents_config_and_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x449dcecb'/>
+ <elf-symbol name='clocks_calc_mult_shift' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62bb09bf'/>
+ <elf-symbol name='close_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x164ae8be'/>
+ <elf-symbol name='cma_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e17861c'/>
+ <elf-symbol name='cma_for_each_area' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86d07c22'/>
+ <elf-symbol name='cma_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x507151bb'/>
+ <elf-symbol name='cma_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa00ed463'/>
+ <elf-symbol name='compat_alloc_user_space' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbffde8ec'/>
+ <elf-symbol name='compat_only_sysfs_link_entry_to_kobj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67a51fe5'/>
+ <elf-symbol name='compat_ptr_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbbd99d5'/>
+ <elf-symbol name='complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6257a2f'/>
+ <elf-symbol name='complete_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93d6dd8c'/>
+ <elf-symbol name='complete_and_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26cc73c3'/>
+ <elf-symbol name='completion_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xddf6ad7a'/>
+ <elf-symbol name='component_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa76d9111'/>
+ <elf-symbol name='component_add_typed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bd9a214'/>
+ <elf-symbol name='component_bind_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecf2f2c3'/>
+ <elf-symbol name='component_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a44ba45'/>
+ <elf-symbol name='component_master_add_with_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde57ffe2'/>
+ <elf-symbol name='component_master_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b2a7703'/>
+ <elf-symbol name='component_match_add_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc8a5b30'/>
+ <elf-symbol name='component_match_add_typed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88e23131'/>
+ <elf-symbol name='component_unbind_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9178093b'/>
+ <elf-symbol name='cond_synchronize_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49e96999'/>
+ <elf-symbol name='config_ep_by_speed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb09248f'/>
+ <elf-symbol name='config_group_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e2876a2'/>
+ <elf-symbol name='config_group_init_type_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabedbe94'/>
+ <elf-symbol name='config_item_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc126a3fe'/>
+ <elf-symbol name='config_item_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74396437'/>
+ <elf-symbol name='configfs_register_subsystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4eb3fbe'/>
+ <elf-symbol name='configfs_unregister_subsystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1a706cc'/>
+ <elf-symbol name='console_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbaaf01e'/>
+ <elf-symbol name='console_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x581b212b'/>
+ <elf-symbol name='console_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40d04664'/>
+ <elf-symbol name='console_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc631580a'/>
+ <elf-symbol name='consume_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc88620f'/>
+ <elf-symbol name='copy_from_kernel_nofault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4531ab62'/>
+ <elf-symbol name='copy_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d0d163d'/>
+ <elf-symbol name='cpu_have_feature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41237f71'/>
+ <elf-symbol name='cpu_hotplug_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d0015e2'/>
+ <elf-symbol name='cpu_hotplug_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6c8dc62'/>
+ <elf-symbol name='cpu_is_hotpluggable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ebe3135'/>
+ <elf-symbol name='cpu_latency_qos_add_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x589e1a22'/>
+ <elf-symbol name='cpu_latency_qos_remove_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aaa15b2'/>
+ <elf-symbol name='cpu_latency_qos_request_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7537226a'/>
+ <elf-symbol name='cpu_latency_qos_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc528096'/>
+ <elf-symbol name='cpu_maps_update_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3465caa3'/>
+ <elf-symbol name='cpu_maps_update_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f62a045'/>
+ <elf-symbol name='cpu_pm_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x444f1735'/>
+ <elf-symbol name='cpu_pm_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f98d766'/>
+ <elf-symbol name='cpufreq_add_update_util_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1403ad09'/>
+ <elf-symbol name='cpufreq_cooling_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a36e80e'/>
+ <elf-symbol name='cpufreq_cpu_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefeb0f57'/>
+ <elf-symbol name='cpufreq_cpu_get_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd2aed80'/>
+ <elf-symbol name='cpufreq_cpu_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7557e528'/>
+ <elf-symbol name='cpufreq_dbs_governor_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f006ac0'/>
+ <elf-symbol name='cpufreq_dbs_governor_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc7d6823'/>
+ <elf-symbol name='cpufreq_dbs_governor_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a4c16b9'/>
+ <elf-symbol name='cpufreq_dbs_governor_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4393f881'/>
+ <elf-symbol name='cpufreq_dbs_governor_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba566982'/>
+ <elf-symbol name='cpufreq_disable_fast_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcd38056'/>
+ <elf-symbol name='cpufreq_driver_fast_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb9bd4cb'/>
+ <elf-symbol name='cpufreq_driver_resolve_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ddef6c8'/>
+ <elf-symbol name='cpufreq_driver_target' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab859e26'/>
+ <elf-symbol name='cpufreq_enable_boost_support' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf30a5502'/>
+ <elf-symbol name='cpufreq_enable_fast_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd59e714'/>
+ <elf-symbol name='cpufreq_freq_transition_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39941e6f'/>
+ <elf-symbol name='cpufreq_freq_transition_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeefbdf15'/>
+ <elf-symbol name='cpufreq_frequency_table_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x795d10f3'/>
+ <elf-symbol name='cpufreq_frequency_table_verify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec774acb'/>
+ <elf-symbol name='cpufreq_generic_frequency_table_verify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc289e46d'/>
+ <elf-symbol name='cpufreq_generic_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba2b7f64'/>
+ <elf-symbol name='cpufreq_generic_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17023bbf'/>
+ <elf-symbol name='cpufreq_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9305f8e6'/>
+ <elf-symbol name='cpufreq_get_driver_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x553b49a4'/>
+ <elf-symbol name='cpufreq_get_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60f6c24a'/>
+ <elf-symbol name='cpufreq_policy_transition_delay_us' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe239a5e7'/>
+ <elf-symbol name='cpufreq_quick_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c46233a'/>
+ <elf-symbol name='cpufreq_quick_get_max' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33f0768c'/>
+ <elf-symbol name='cpufreq_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfad536a0'/>
+ <elf-symbol name='cpufreq_register_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54f8f775'/>
+ <elf-symbol name='cpufreq_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65d9e877'/>
+ <elf-symbol name='cpufreq_remove_update_util_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3192d768'/>
+ <elf-symbol name='cpufreq_table_index_unsorted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2150547'/>
+ <elf-symbol name='cpufreq_this_cpu_can_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8cb09cb'/>
+ <elf-symbol name='cpufreq_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e4dfc1c'/>
+ <elf-symbol name='cpufreq_unregister_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0d77202'/>
+ <elf-symbol name='cpufreq_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6214aef2'/>
+ <elf-symbol name='cpufreq_update_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x816a41ca'/>
+ <elf-symbol name='cpufreq_update_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc37f9c6e'/>
+ <elf-symbol name='cpuidle_driver_state_disabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a5d0307'/>
+ <elf-symbol name='cpuidle_get_cpu_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x798d3949'/>
+ <elf-symbol name='cpuidle_get_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6de5ca17'/>
+ <elf-symbol name='cpuidle_governor_latency_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc319717f'/>
+ <elf-symbol name='cpuidle_pause_and_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf553318d'/>
+ <elf-symbol name='cpuidle_register_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29be034b'/>
+ <elf-symbol name='cpuidle_resume_and_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcabe04de'/>
+ <elf-symbol name='cpumask_any_but' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83928ce0'/>
+ <elf-symbol name='cpumask_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92ad1db9'/>
+ <elf-symbol name='cpumask_next_and' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4445ab21'/>
+ <elf-symbol name='cpumask_next_wrap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x233eb8eb'/>
+ <elf-symbol name='cpupri_find_fitness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffd2879f'/>
+ <elf-symbol name='cpus_read_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa04f945a'/>
+ <elf-symbol name='cpus_read_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18fb2caf'/>
+ <elf-symbol name='cpuset_cpus_allowed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76bc82e1'/>
+ <elf-symbol name='crc16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd6841d4'/>
+ <elf-symbol name='crc32_be' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4df02057'/>
+ <elf-symbol name='crc32_le' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69dd3b5b'/>
+ <elf-symbol name='crc8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2aae5cc'/>
+ <elf-symbol name='crc8_populate_msb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa8106bc'/>
+ <elf-symbol name='create_function_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x779a7b20'/>
+ <elf-symbol name='crypto_aead_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c9a3b33'/>
+ <elf-symbol name='crypto_aead_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1306f7ab'/>
+ <elf-symbol name='crypto_aead_setauthsize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25fdb1f7'/>
+ <elf-symbol name='crypto_aead_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4513d353'/>
+ <elf-symbol name='crypto_aes_set_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcec2d7b'/>
+ <elf-symbol name='crypto_ahash_digest' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c8eec5'/>
+ <elf-symbol name='crypto_ahash_finup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb90c326'/>
+ <elf-symbol name='crypto_ahash_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29472881'/>
+ <elf-symbol name='crypto_alg_mod_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc86f5f9'/>
+ <elf-symbol name='crypto_alloc_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf8e5211'/>
+ <elf-symbol name='crypto_alloc_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f890773'/>
+ <elf-symbol name='crypto_alloc_base' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb720070'/>
+ <elf-symbol name='crypto_alloc_rng' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95788214'/>
+ <elf-symbol name='crypto_alloc_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x714c001e'/>
+ <elf-symbol name='crypto_alloc_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b78c94c'/>
+ <elf-symbol name='crypto_alloc_sync_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a76457'/>
+ <elf-symbol name='crypto_attr_alg_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a11a0fc'/>
+ <elf-symbol name='crypto_check_attr_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4934bdd0'/>
+ <elf-symbol name='crypto_cipher_decrypt_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x305d0cc'/>
+ <elf-symbol name='crypto_cipher_encrypt_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10778e6b'/>
+ <elf-symbol name='crypto_cipher_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf592b9f'/>
+ <elf-symbol name='crypto_comp_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5028ec1'/>
+ <elf-symbol name='crypto_comp_decompress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23431639'/>
+ <elf-symbol name='crypto_dequeue_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ba5f6fb'/>
+ <elf-symbol name='crypto_destroy_tfm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77b204ab'/>
+ <elf-symbol name='crypto_drop_spawn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94017554'/>
+ <elf-symbol name='crypto_enqueue_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1d5ac86'/>
+ <elf-symbol name='crypto_get_default_null_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9444e8e'/>
+ <elf-symbol name='crypto_grab_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafc432ef'/>
+ <elf-symbol name='crypto_grab_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24d7f2f7'/>
+ <elf-symbol name='crypto_grab_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4cef975'/>
+ <elf-symbol name='crypto_grab_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1b96a7d'/>
+ <elf-symbol name='crypto_grab_spawn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64f5aa1f'/>
+ <elf-symbol name='crypto_has_alg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x951a2773'/>
+ <elf-symbol name='crypto_inc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ef051c8'/>
+ <elf-symbol name='crypto_init_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x499043d3'/>
+ <elf-symbol name='crypto_inst_setname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85ac2aa9'/>
+ <elf-symbol name='crypto_put_default_null_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21cd536a'/>
+ <elf-symbol name='crypto_register_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c6f36e'/>
+ <elf-symbol name='crypto_register_aeads' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x992ab5ac'/>
+ <elf-symbol name='crypto_register_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89a16782'/>
+ <elf-symbol name='crypto_register_ahashes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda699b4a'/>
+ <elf-symbol name='crypto_register_alg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe35cab54'/>
+ <elf-symbol name='crypto_register_algs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc7e4244'/>
+ <elf-symbol name='crypto_register_rng' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x447c21c0'/>
+ <elf-symbol name='crypto_register_rngs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x681f4d3c'/>
+ <elf-symbol name='crypto_register_scomp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36977ae6'/>
+ <elf-symbol name='crypto_register_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb71fe8c'/>
+ <elf-symbol name='crypto_register_shashes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbff6d5'/>
+ <elf-symbol name='crypto_register_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c9e9486'/>
+ <elf-symbol name='crypto_register_skciphers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3d5700f'/>
+ <elf-symbol name='crypto_register_template' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1221b5b9'/>
+ <elf-symbol name='crypto_register_templates' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37b1fb13'/>
+ <elf-symbol name='crypto_remove_final' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3de9cae1'/>
+ <elf-symbol name='crypto_remove_spawns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd67da8e5'/>
+ <elf-symbol name='crypto_req_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a1d8d5c'/>
+ <elf-symbol name='crypto_rng_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa93f078f'/>
+ <elf-symbol name='crypto_sha1_finup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbde1dcc8'/>
+ <elf-symbol name='crypto_sha1_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe516ffe1'/>
+ <elf-symbol name='crypto_shash_alg_has_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe24766ba'/>
+ <elf-symbol name='crypto_shash_digest' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb92ee9b'/>
+ <elf-symbol name='crypto_shash_final' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18115c4c'/>
+ <elf-symbol name='crypto_shash_finup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13300b3'/>
+ <elf-symbol name='crypto_shash_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e7e1d3c'/>
+ <elf-symbol name='crypto_shash_tfm_digest' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9edc4dd'/>
+ <elf-symbol name='crypto_shash_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d2d32e1'/>
+ <elf-symbol name='crypto_skcipher_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5f7efde'/>
+ <elf-symbol name='crypto_skcipher_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3446b42a'/>
+ <elf-symbol name='crypto_skcipher_setkey' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44461210'/>
+ <elf-symbol name='crypto_spawn_tfm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4270ebbc'/>
+ <elf-symbol name='crypto_spawn_tfm2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce0b26d7'/>
+ <elf-symbol name='crypto_unregister_aead' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2ab2207'/>
+ <elf-symbol name='crypto_unregister_ahash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87f0be17'/>
+ <elf-symbol name='crypto_unregister_alg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15e337f'/>
+ <elf-symbol name='crypto_unregister_algs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe64761df'/>
+ <elf-symbol name='crypto_unregister_rng' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe09f55eb'/>
+ <elf-symbol name='crypto_unregister_rngs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x986b5cd0'/>
+ <elf-symbol name='crypto_unregister_scomp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e4c29fc'/>
+ <elf-symbol name='crypto_unregister_shash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d9a3798'/>
+ <elf-symbol name='crypto_unregister_shashes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d2f922b'/>
+ <elf-symbol name='crypto_unregister_skcipher' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc7205df'/>
+ <elf-symbol name='crypto_unregister_skciphers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33ed2a56'/>
+ <elf-symbol name='crypto_unregister_template' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd037b854'/>
+ <elf-symbol name='crypto_unregister_templates' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdabc6bb5'/>
+ <elf-symbol name='css_next_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc84ca822'/>
+ <elf-symbol name='css_next_descendant_pre' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa073b9e2'/>
+ <elf-symbol name='csum_ipv6_magic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d65cbd5'/>
+ <elf-symbol name='csum_partial' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe113bbbc'/>
+ <elf-symbol name='csum_tcpudp_nofold' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd25bc5d4'/>
+ <elf-symbol name='current_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2fccd3e'/>
+ <elf-symbol name='current_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd75ee543'/>
+ <elf-symbol name='d_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef8c6668'/>
+ <elf-symbol name='d_alloc_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x342dee4e'/>
+ <elf-symbol name='d_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a7bc56f'/>
+ <elf-symbol name='d_make_root' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a1505cf'/>
+ <elf-symbol name='d_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e72ceb5'/>
+ <elf-symbol name='dapm_clock_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x509722cc'/>
+ <elf-symbol name='dapm_kcontrol_get_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x789c642f'/>
+ <elf-symbol name='dapm_pinctrl_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5bbfa59'/>
+ <elf-symbol name='dapm_regulator_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e67cb12'/>
+ <elf-symbol name='datagram_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23ece91d'/>
+ <elf-symbol name='dbs_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9aee372'/>
+ <elf-symbol name='deactivate_locked_super' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74c7c4'/>
+ <elf-symbol name='deactivate_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d03b2a4'/>
+ <elf-symbol name='debug_locks_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc575c737'/>
+ <elf-symbol name='debugfs_attr_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5d4b2b1'/>
+ <elf-symbol name='debugfs_attr_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb54a67d'/>
+ <elf-symbol name='debugfs_create_atomic_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8136f3f9'/>
+ <elf-symbol name='debugfs_create_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bcf014b'/>
+ <elf-symbol name='debugfs_create_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c62daf'/>
+ <elf-symbol name='debugfs_create_devm_seqfile' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1908a6f'/>
+ <elf-symbol name='debugfs_create_dir' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82b308e8'/>
+ <elf-symbol name='debugfs_create_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63ef7ca7'/>
+ <elf-symbol name='debugfs_create_file_unsafe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83d81adc'/>
+ <elf-symbol name='debugfs_create_regset32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf23eda3'/>
+ <elf-symbol name='debugfs_create_size_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x310bfc86'/>
+ <elf-symbol name='debugfs_create_symlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa47da9dd'/>
+ <elf-symbol name='debugfs_create_u16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa048334f'/>
+ <elf-symbol name='debugfs_create_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bef7eba'/>
+ <elf-symbol name='debugfs_create_u64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7f2224d'/>
+ <elf-symbol name='debugfs_create_u8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa08f8b1c'/>
+ <elf-symbol name='debugfs_create_ulong' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5509009c'/>
+ <elf-symbol name='debugfs_create_x32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x267ac629'/>
+ <elf-symbol name='debugfs_create_x64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba679ade'/>
+ <elf-symbol name='debugfs_create_x8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ec1d5bb'/>
+ <elf-symbol name='debugfs_file_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab670461'/>
+ <elf-symbol name='debugfs_file_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x163fc54c'/>
+ <elf-symbol name='debugfs_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x299f72da'/>
+ <elf-symbol name='debugfs_print_regs32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7aaceb27'/>
+ <elf-symbol name='debugfs_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5243bc7e'/>
+ <elf-symbol name='debugfs_rename' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d83714e'/>
+ <elf-symbol name='dec_zone_page_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae15f73e'/>
+ <elf-symbol name='default_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfeea81cb'/>
+ <elf-symbol name='default_wake_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaad8c7d6'/>
+ <elf-symbol name='deferred_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe730994c'/>
+ <elf-symbol name='del_gendisk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3e8ddf2'/>
+ <elf-symbol name='del_random_ready_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7578b4c8'/>
+ <elf-symbol name='del_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa4008af'/>
+ <elf-symbol name='del_timer_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf15e728e'/>
+ <elf-symbol name='delayed_work_timer_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x253af43d'/>
+ <elf-symbol name='desc_to_gpio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3a4b762'/>
+ <elf-symbol name='destroy_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c03d20c'/>
+ <elf-symbol name='dev_alloc_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dfd7d3c'/>
+ <elf-symbol name='dev_change_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf57e2aa'/>
+ <elf-symbol name='dev_change_net_namespace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e67ce0f'/>
+ <elf-symbol name='dev_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0ace41f'/>
+ <elf-symbol name='dev_coredumpm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7ac4e77'/>
+ <elf-symbol name='dev_coredumpv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6080deff'/>
+ <elf-symbol name='dev_driver_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fdece8c'/>
+ <elf-symbol name='dev_err_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8949766d'/>
+ <elf-symbol name='dev_fetch_sw_netstats' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21ce3ed1'/>
+ <elf-symbol name='dev_fwnode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56a118a1'/>
+ <elf-symbol name='dev_get_by_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0549a82'/>
+ <elf-symbol name='dev_get_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe81e4e9b'/>
+ <elf-symbol name='dev_get_by_name_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa912bae3'/>
+ <elf-symbol name='dev_get_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc850f9a'/>
+ <elf-symbol name='dev_get_stats' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5070cbcf'/>
+ <elf-symbol name='dev_mc_sync_multiple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1dcbb2c'/>
+ <elf-symbol name='dev_mc_unsync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62acf4df'/>
+ <elf-symbol name='dev_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd73ba32'/>
+ <elf-symbol name='dev_pm_clear_wake_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f4e7ef'/>
+ <elf-symbol name='dev_pm_domain_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x305fe032'/>
+ <elf-symbol name='dev_pm_domain_attach_by_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c622969'/>
+ <elf-symbol name='dev_pm_domain_attach_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd729ba52'/>
+ <elf-symbol name='dev_pm_domain_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x247f853b'/>
+ <elf-symbol name='dev_pm_genpd_add_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68d5114b'/>
+ <elf-symbol name='dev_pm_genpd_remove_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99bef70b'/>
+ <elf-symbol name='dev_pm_genpd_set_next_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b30e590'/>
+ <elf-symbol name='dev_pm_genpd_set_performance_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x580b25f3'/>
+ <elf-symbol name='dev_pm_opp_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca9125a9'/>
+ <elf-symbol name='dev_pm_opp_adjust_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdbc2c81'/>
+ <elf-symbol name='dev_pm_opp_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff4b0bb4'/>
+ <elf-symbol name='dev_pm_opp_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21e3c004'/>
+ <elf-symbol name='dev_pm_opp_find_freq_ceil' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59b90419'/>
+ <elf-symbol name='dev_pm_opp_find_freq_ceil_by_volt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf31b0f59'/>
+ <elf-symbol name='dev_pm_opp_find_freq_exact' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x939664ee'/>
+ <elf-symbol name='dev_pm_opp_find_freq_floor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7604f3ff'/>
+ <elf-symbol name='dev_pm_opp_free_cpufreq_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a2ec237'/>
+ <elf-symbol name='dev_pm_opp_get_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3424a7c'/>
+ <elf-symbol name='dev_pm_opp_get_level' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfac9e0c'/>
+ <elf-symbol name='dev_pm_opp_get_max_transition_latency' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38081b9b'/>
+ <elf-symbol name='dev_pm_opp_get_opp_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb35711e'/>
+ <elf-symbol name='dev_pm_opp_get_opp_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x680cd545'/>
+ <elf-symbol name='dev_pm_opp_get_sharing_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa382bd59'/>
+ <elf-symbol name='dev_pm_opp_get_suspend_opp_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda5572b1'/>
+ <elf-symbol name='dev_pm_opp_get_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d9ba879'/>
+ <elf-symbol name='dev_pm_opp_init_cpufreq_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f05a746'/>
+ <elf-symbol name='dev_pm_opp_of_add_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78e27b3f'/>
+ <elf-symbol name='dev_pm_opp_of_add_table_indexed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47d458c0'/>
+ <elf-symbol name='dev_pm_opp_of_cpumask_add_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cf281e7'/>
+ <elf-symbol name='dev_pm_opp_of_cpumask_remove_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ded56d3'/>
+ <elf-symbol name='dev_pm_opp_of_find_icc_paths' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x752d5443'/>
+ <elf-symbol name='dev_pm_opp_of_get_sharing_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x933261cc'/>
+ <elf-symbol name='dev_pm_opp_of_register_em' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb4b74d4'/>
+ <elf-symbol name='dev_pm_opp_of_remove_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d69d0b2'/>
+ <elf-symbol name='dev_pm_opp_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe695dd5e'/>
+ <elf-symbol name='dev_pm_opp_put_clkname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57ff9b8d'/>
+ <elf-symbol name='dev_pm_opp_put_opp_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74c12cec'/>
+ <elf-symbol name='dev_pm_opp_put_prop_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cbc7257'/>
+ <elf-symbol name='dev_pm_opp_put_regulators' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x130c2d49'/>
+ <elf-symbol name='dev_pm_opp_put_supported_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bdda8fc'/>
+ <elf-symbol name='dev_pm_opp_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa570cc96'/>
+ <elf-symbol name='dev_pm_opp_register_set_opp_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x160848ed'/>
+ <elf-symbol name='dev_pm_opp_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce2ad915'/>
+ <elf-symbol name='dev_pm_opp_remove_all_dynamic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58d2164f'/>
+ <elf-symbol name='dev_pm_opp_set_bw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee324f7f'/>
+ <elf-symbol name='dev_pm_opp_set_clkname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x808c3e51'/>
+ <elf-symbol name='dev_pm_opp_set_prop_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeaad849d'/>
+ <elf-symbol name='dev_pm_opp_set_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49f9212d'/>
+ <elf-symbol name='dev_pm_opp_set_regulators' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7f3109f'/>
+ <elf-symbol name='dev_pm_opp_set_sharing_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ef005c1'/>
+ <elf-symbol name='dev_pm_opp_set_supported_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8bb55a18'/>
+ <elf-symbol name='dev_pm_opp_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x155165e7'/>
+ <elf-symbol name='dev_pm_qos_add_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4bf9547'/>
+ <elf-symbol name='dev_pm_qos_add_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66e2a4b9'/>
+ <elf-symbol name='dev_pm_qos_expose_latency_tolerance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b807645'/>
+ <elf-symbol name='dev_pm_qos_hide_latency_tolerance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3fc7342'/>
+ <elf-symbol name='dev_pm_qos_read_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d34f6c4'/>
+ <elf-symbol name='dev_pm_qos_remove_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8bebc9d'/>
+ <elf-symbol name='dev_pm_qos_remove_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc866d6b8'/>
+ <elf-symbol name='dev_pm_qos_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe313071'/>
+ <elf-symbol name='dev_pm_qos_update_user_latency_tolerance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9b16216'/>
+ <elf-symbol name='dev_pm_set_dedicated_wake_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4958a1e0'/>
+ <elf-symbol name='dev_pm_set_wake_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76808f6d'/>
+ <elf-symbol name='dev_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2ef36e7'/>
+ <elf-symbol name='dev_printk_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf765f21a'/>
+ <elf-symbol name='dev_queue_xmit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd08e9b6'/>
+ <elf-symbol name='dev_set_mac_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb4c2efa'/>
+ <elf-symbol name='dev_set_mtu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f5163d'/>
+ <elf-symbol name='dev_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb02b15cb'/>
+ <elf-symbol name='dev_to_i3cdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x599895d2'/>
+ <elf-symbol name='dev_uc_sync_multiple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc751942'/>
+ <elf-symbol name='dev_uc_unsync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd09cd07'/>
+ <elf-symbol name='dev_vprintk_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x773c76ec'/>
+ <elf-symbol name='devfreq_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf38bac94'/>
+ <elf-symbol name='devfreq_add_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x273f2dc0'/>
+ <elf-symbol name='devfreq_cooling_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2a916bd'/>
+ <elf-symbol name='devfreq_event_disable_edev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe73518fe'/>
+ <elf-symbol name='devfreq_event_enable_edev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb723f5e0'/>
+ <elf-symbol name='devfreq_event_get_edev_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x324c4492'/>
+ <elf-symbol name='devfreq_event_get_edev_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7382d02'/>
+ <elf-symbol name='devfreq_event_get_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8386da6'/>
+ <elf-symbol name='devfreq_get_devfreq_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf603074'/>
+ <elf-symbol name='devfreq_get_devfreq_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4d3b5fc'/>
+ <elf-symbol name='devfreq_monitor_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51d51cf8'/>
+ <elf-symbol name='devfreq_monitor_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3045fff7'/>
+ <elf-symbol name='devfreq_monitor_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x686cae55'/>
+ <elf-symbol name='devfreq_monitor_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d3a3229'/>
+ <elf-symbol name='devfreq_recommended_opp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd833d7d8'/>
+ <elf-symbol name='devfreq_register_opp_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe47859c'/>
+ <elf-symbol name='devfreq_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb254b19'/>
+ <elf-symbol name='devfreq_remove_governor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfacf0a52'/>
+ <elf-symbol name='devfreq_resume_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc613de72'/>
+ <elf-symbol name='devfreq_suspend_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f1b4959'/>
+ <elf-symbol name='devfreq_unregister_opp_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc42c8547'/>
+ <elf-symbol name='devfreq_update_interval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50367c59'/>
+ <elf-symbol name='device_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cd6b72e'/>
+ <elf-symbol name='device_add_disk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe15f3633'/>
+ <elf-symbol name='device_add_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7861be68'/>
+ <elf-symbol name='device_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2545799c'/>
+ <elf-symbol name='device_bind_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaafc48b2'/>
+ <elf-symbol name='device_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20f92f09'/>
+ <elf-symbol name='device_create_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe42c7c42'/>
+ <elf-symbol name='device_create_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3aa3619'/>
+ <elf-symbol name='device_create_with_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53616f'/>
+ <elf-symbol name='device_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68b544a3'/>
+ <elf-symbol name='device_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa15d438d'/>
+ <elf-symbol name='device_find_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbffabe6e'/>
+ <elf-symbol name='device_for_each_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc179d8b'/>
+ <elf-symbol name='device_get_child_node_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6a0b021'/>
+ <elf-symbol name='device_get_dma_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x906fc9c7'/>
+ <elf-symbol name='device_get_mac_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x427f37af'/>
+ <elf-symbol name='device_get_match_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x911620d9'/>
+ <elf-symbol name='device_get_named_child_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcda628e'/>
+ <elf-symbol name='device_get_next_child_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78214f53'/>
+ <elf-symbol name='device_get_phy_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26ac026'/>
+ <elf-symbol name='device_init_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6994009e'/>
+ <elf-symbol name='device_initialize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcf513bb'/>
+ <elf-symbol name='device_link_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92babff'/>
+ <elf-symbol name='device_link_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68426428'/>
+ <elf-symbol name='device_link_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b61e2af'/>
+ <elf-symbol name='device_match_fwnode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79da462d'/>
+ <elf-symbol name='device_match_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e31c083'/>
+ <elf-symbol name='device_match_of_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf94d4be4'/>
+ <elf-symbol name='device_node_to_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce216acb'/>
+ <elf-symbol name='device_property_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70bcd326'/>
+ <elf-symbol name='device_property_read_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73fee19d'/>
+ <elf-symbol name='device_property_read_string_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57ec862f'/>
+ <elf-symbol name='device_property_read_u16_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4387b220'/>
+ <elf-symbol name='device_property_read_u32_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e7bc22f'/>
+ <elf-symbol name='device_property_read_u8_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e35c583'/>
+ <elf-symbol name='device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd9d04d2'/>
+ <elf-symbol name='device_release_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0eceb3a'/>
+ <elf-symbol name='device_remove_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a7df179'/>
+ <elf-symbol name='device_remove_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x164eb7f6'/>
+ <elf-symbol name='device_remove_file_self' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd2d32d4'/>
+ <elf-symbol name='device_remove_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa38896e'/>
+ <elf-symbol name='device_rename' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bcd693c'/>
+ <elf-symbol name='device_set_of_node_from_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ca6b646'/>
+ <elf-symbol name='device_set_wakeup_capable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc21e7942'/>
+ <elf-symbol name='device_set_wakeup_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e335cc'/>
+ <elf-symbol name='device_show_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9058aa74'/>
+ <elf-symbol name='device_show_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0805cf5'/>
+ <elf-symbol name='device_store_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe713fbf0'/>
+ <elf-symbol name='device_store_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d8fff49'/>
+ <elf-symbol name='device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c863dd4'/>
+ <elf-symbol name='device_wakeup_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3182d70d'/>
+ <elf-symbol name='device_wakeup_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc190da6c'/>
+ <elf-symbol name='devm_add_action' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4c9b678'/>
+ <elf-symbol name='devm_backlight_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe894a6e4'/>
+ <elf-symbol name='devm_backlight_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc2887c6'/>
+ <elf-symbol name='devm_blk_ksm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85c9e5c2'/>
+ <elf-symbol name='devm_clk_bulk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98b6363b'/>
+ <elf-symbol name='devm_clk_bulk_get_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba3f0ae2'/>
+ <elf-symbol name='devm_clk_bulk_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d75dacf'/>
+ <elf-symbol name='devm_clk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36d574de'/>
+ <elf-symbol name='devm_clk_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18c817ed'/>
+ <elf-symbol name='devm_clk_hw_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b70a8f9'/>
+ <elf-symbol name='devm_clk_hw_register_clkdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45b60d5'/>
+ <elf-symbol name='devm_clk_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62aa2ae0'/>
+ <elf-symbol name='devm_clk_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfba8befb'/>
+ <elf-symbol name='devm_devfreq_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa11123ba'/>
+ <elf-symbol name='devm_devfreq_event_add_edev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3054cdd5'/>
+ <elf-symbol name='devm_devfreq_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1054639'/>
+ <elf-symbol name='devm_devfreq_register_opp_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bc08c7f'/>
+ <elf-symbol name='devm_devfreq_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d73b869'/>
+ <elf-symbol name='devm_devfreq_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde51fdbf'/>
+ <elf-symbol name='devm_device_add_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71021beb'/>
+ <elf-symbol name='devm_device_add_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1170bcca'/>
+ <elf-symbol name='devm_device_remove_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2e7791e'/>
+ <elf-symbol name='devm_drm_panel_bridge_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe010eaad'/>
+ <elf-symbol name='devm_drm_panel_bridge_add_typed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcd77b13'/>
+ <elf-symbol name='devm_extcon_dev_allocate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ad3bb1e'/>
+ <elf-symbol name='devm_extcon_dev_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73940530'/>
+ <elf-symbol name='devm_extcon_dev_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ddce08c'/>
+ <elf-symbol name='devm_extcon_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7ab16c4'/>
+ <elf-symbol name='devm_free_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2269b80c'/>
+ <elf-symbol name='devm_free_percpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x618dcb6d'/>
+ <elf-symbol name='devm_fwnode_gpiod_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x489f8ea4'/>
+ <elf-symbol name='devm_fwnode_pwm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8908fa5'/>
+ <elf-symbol name='devm_gen_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcbbade4'/>
+ <elf-symbol name='devm_get_clk_from_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31a0ef95'/>
+ <elf-symbol name='devm_get_free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe47d7ebc'/>
+ <elf-symbol name='devm_gpio_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5abd3951'/>
+ <elf-symbol name='devm_gpio_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42f1b276'/>
+ <elf-symbol name='devm_gpio_request_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x613844ff'/>
+ <elf-symbol name='devm_gpiochip_add_data_with_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30062a8'/>
+ <elf-symbol name='devm_gpiod_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b64bf51'/>
+ <elf-symbol name='devm_gpiod_get_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ad78a61'/>
+ <elf-symbol name='devm_gpiod_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e37641e'/>
+ <elf-symbol name='devm_gpiod_get_index_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x401251e3'/>
+ <elf-symbol name='devm_gpiod_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd96311'/>
+ <elf-symbol name='devm_gpiod_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd825ff99'/>
+ <elf-symbol name='devm_gpiod_put_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa177b3d3'/>
+ <elf-symbol name='devm_hwrng_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9f177af'/>
+ <elf-symbol name='devm_hwspin_lock_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fee0220'/>
+ <elf-symbol name='devm_hwspin_lock_request_specific' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ed2bdbe'/>
+ <elf-symbol name='devm_i2c_new_dummy_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94acda2b'/>
+ <elf-symbol name='devm_iio_channel_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c58767b'/>
+ <elf-symbol name='devm_iio_channel_get_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x355bb534'/>
+ <elf-symbol name='devm_iio_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf93e481'/>
+ <elf-symbol name='devm_input_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3871fd85'/>
+ <elf-symbol name='devm_ioremap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1dc7fa5f'/>
+ <elf-symbol name='devm_ioremap_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33d29b07'/>
+ <elf-symbol name='devm_ioremap_wc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ac06062'/>
+ <elf-symbol name='devm_iounmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde2e4fad'/>
+ <elf-symbol name='devm_irq_alloc_generic_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3abb2eb4'/>
+ <elf-symbol name='devm_irq_setup_generic_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc49f1802'/>
+ <elf-symbol name='devm_kasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ae120c'/>
+ <elf-symbol name='devm_kfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd604c3f'/>
+ <elf-symbol name='devm_kmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e2fd0c'/>
+ <elf-symbol name='devm_kmemdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68c058f2'/>
+ <elf-symbol name='devm_krealloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c6e27f3'/>
+ <elf-symbol name='devm_kstrdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcf94680'/>
+ <elf-symbol name='devm_kstrdup_const' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74cd3234'/>
+ <elf-symbol name='devm_kvasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34e8cde5'/>
+ <elf-symbol name='devm_led_classdev_register_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78e191fd'/>
+ <elf-symbol name='devm_led_classdev_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d4083fd'/>
+ <elf-symbol name='devm_mbox_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x285a2912'/>
+ <elf-symbol name='devm_memremap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e4b5845'/>
+ <elf-symbol name='devm_mfd_add_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40e625b5'/>
+ <elf-symbol name='devm_nvmem_cell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a1bbc61'/>
+ <elf-symbol name='devm_nvmem_device_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcde59441'/>
+ <elf-symbol name='devm_nvmem_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa35079c'/>
+ <elf-symbol name='devm_of_clk_add_hw_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28f53e62'/>
+ <elf-symbol name='devm_of_icc_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dbfdcc'/>
+ <elf-symbol name='devm_of_iomap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4e03892'/>
+ <elf-symbol name='devm_of_phy_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa16c7917'/>
+ <elf-symbol name='devm_of_phy_get_by_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42b7abe0'/>
+ <elf-symbol name='devm_of_platform_populate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf1001c0'/>
+ <elf-symbol name='devm_of_pwm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d795e56'/>
+ <elf-symbol name='devm_pci_alloc_host_bridge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ede5728'/>
+ <elf-symbol name='devm_pci_remap_cfg_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73e37e20'/>
+ <elf-symbol name='devm_phy_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6797d82d'/>
+ <elf-symbol name='devm_phy_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8016a6c4'/>
+ <elf-symbol name='devm_phy_optional_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1d7e13'/>
+ <elf-symbol name='devm_phy_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb62bf4b'/>
+ <elf-symbol name='devm_pinctrl_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa48f219'/>
+ <elf-symbol name='devm_pinctrl_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86f16c20'/>
+ <elf-symbol name='devm_pinctrl_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0cb77dc'/>
+ <elf-symbol name='devm_pinctrl_register_and_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aaaebf4'/>
+ <elf-symbol name='devm_platform_get_and_ioremap_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58c8c88b'/>
+ <elf-symbol name='devm_platform_ioremap_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbd62b47'/>
+ <elf-symbol name='devm_platform_ioremap_resource_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2723dd3b'/>
+ <elf-symbol name='devm_power_supply_get_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd760ae88'/>
+ <elf-symbol name='devm_power_supply_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f34f37a'/>
+ <elf-symbol name='devm_pwm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2ab4faa'/>
+ <elf-symbol name='devm_pwm_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4a96fe9'/>
+ <elf-symbol name='devm_rc_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b0f7589'/>
+ <elf-symbol name='devm_rc_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebf37fd4'/>
+ <elf-symbol name='devm_regmap_add_irq_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb323279'/>
+ <elf-symbol name='devm_regmap_del_irq_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1cb2c300'/>
+ <elf-symbol name='devm_regmap_field_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd12fd56'/>
+ <elf-symbol name='devm_regulator_bulk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f5dcc30'/>
+ <elf-symbol name='devm_regulator_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7debf78'/>
+ <elf-symbol name='devm_regulator_get_exclusive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfae4f5ac'/>
+ <elf-symbol name='devm_regulator_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x743dff5c'/>
+ <elf-symbol name='devm_regulator_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x337f7986'/>
+ <elf-symbol name='devm_regulator_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9212e3ba'/>
+ <elf-symbol name='devm_regulator_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc662d6aa'/>
+ <elf-symbol name='devm_regulator_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x442fd9d5'/>
+ <elf-symbol name='devm_remove_action' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78be9ab9'/>
+ <elf-symbol name='devm_request_any_context_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad16f82'/>
+ <elf-symbol name='devm_request_threaded_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa8a5bb0'/>
+ <elf-symbol name='devm_reset_control_array_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfa1035e'/>
+ <elf-symbol name='devm_reset_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x952c99e9'/>
+ <elf-symbol name='devm_rproc_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c0d5bab'/>
+ <elf-symbol name='devm_rproc_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x575a8d23'/>
+ <elf-symbol name='devm_rtc_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bedc5ef'/>
+ <elf-symbol name='devm_rtc_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3614a710'/>
+ <elf-symbol name='devm_snd_dmaengine_pcm_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eb8014d'/>
+ <elf-symbol name='devm_snd_soc_register_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9558ca00'/>
+ <elf-symbol name='devm_snd_soc_register_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f902e84'/>
+ <elf-symbol name='devm_spi_mem_dirmap_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74165ec1'/>
+ <elf-symbol name='devm_spi_register_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f02af8'/>
+ <elf-symbol name='devm_thermal_of_cooling_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70d8857d'/>
+ <elf-symbol name='devm_thermal_zone_of_sensor_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffee951c'/>
+ <elf-symbol name='devm_thermal_zone_of_sensor_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9055e62b'/>
+ <elf-symbol name='devm_usb_get_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd648bc74'/>
+ <elf-symbol name='devm_usb_get_phy_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5519bee0'/>
+ <elf-symbol name='devm_usb_get_phy_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a0be389'/>
+ <elf-symbol name='devm_watchdog_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56a6e251'/>
+ <elf-symbol name='devres_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x215b8cfc'/>
+ <elf-symbol name='devres_alloc_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54915ecc'/>
+ <elf-symbol name='devres_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc6a0503'/>
+ <elf-symbol name='devres_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe93e49c3'/>
+ <elf-symbol name='devres_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf06d8a99'/>
+ <elf-symbol name='disable_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ce4ca6f'/>
+ <elf-symbol name='disable_irq_nosync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27bbf221'/>
+ <elf-symbol name='disable_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf21e1f9b'/>
+ <elf-symbol name='disk_end_io_acct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd878db6e'/>
+ <elf-symbol name='disk_start_io_acct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad8f9fc2'/>
+ <elf-symbol name='display_timings_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b4c240a'/>
+ <elf-symbol name='divider_get_val' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e798ffb'/>
+ <elf-symbol name='divider_recalc_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8486edbe'/>
+ <elf-symbol name='divider_ro_round_rate_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb1fb02e'/>
+ <elf-symbol name='divider_round_rate_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe755f4a'/>
+ <elf-symbol name='dma_alloc_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff8e54c1'/>
+ <elf-symbol name='dma_async_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a9dd4b1'/>
+ <elf-symbol name='dma_async_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3dbec7e0'/>
+ <elf-symbol name='dma_async_tx_descriptor_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23e1a5b7'/>
+ <elf-symbol name='dma_buf_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23ce83ac'/>
+ <elf-symbol name='dma_buf_begin_cpu_access' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71f605a9'/>
+ <elf-symbol name='dma_buf_begin_cpu_access_partial' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96ab14ac'/>
+ <elf-symbol name='dma_buf_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78ec79c1'/>
+ <elf-symbol name='dma_buf_dynamic_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc04f8cc2'/>
+ <elf-symbol name='dma_buf_end_cpu_access' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1764430'/>
+ <elf-symbol name='dma_buf_end_cpu_access_partial' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d3aa059'/>
+ <elf-symbol name='dma_buf_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb1bfabb'/>
+ <elf-symbol name='dma_buf_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde32d214'/>
+ <elf-symbol name='dma_buf_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a6d5fb3'/>
+ <elf-symbol name='dma_buf_get_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2af4960'/>
+ <elf-symbol name='dma_buf_map_attachment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20d2f8c3'/>
+ <elf-symbol name='dma_buf_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35cdb5a6'/>
+ <elf-symbol name='dma_buf_move_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d86a400'/>
+ <elf-symbol name='dma_buf_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf2a0fae'/>
+ <elf-symbol name='dma_buf_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98c2b0fc'/>
+ <elf-symbol name='dma_buf_unmap_attachment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1506dd'/>
+ <elf-symbol name='dma_buf_unpin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bdf67af'/>
+ <elf-symbol name='dma_buf_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6a444cd'/>
+ <elf-symbol name='dma_buf_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90a8a2dc'/>
+ <elf-symbol name='dma_fence_add_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e21c9a1'/>
+ <elf-symbol name='dma_fence_array_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e713a5'/>
+ <elf-symbol name='dma_fence_context_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14605535'/>
+ <elf-symbol name='dma_fence_default_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x350ea558'/>
+ <elf-symbol name='dma_fence_enable_sw_signaling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d9ca0e6'/>
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+ <elf-symbol name='dma_get_sgtable_attrs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e0d911f'/>
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+ <elf-symbol name='dma_heap_bufferfd_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ba677bf'/>
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+ <elf-symbol name='dma_heap_get_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b7a1346'/>
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+ <elf-symbol name='dma_resv_add_excl_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16ca1fb4'/>
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+ <elf-symbol name='dma_resv_reserve_shared' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x130c991f'/>
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+ <elf-symbol name='dma_sync_sg_for_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5aafd87'/>
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+ <elf-symbol name='dmaengine_get_unmap_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58989ed0'/>
+ <elf-symbol name='dmaengine_unmap_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaad910ab'/>
+ <elf-symbol name='dmaenginem_async_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x975b39a5'/>
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+ <elf-symbol name='do_trace_rcu_torture_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92db8f68'/>
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+ <elf-symbol name='downgrade_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd486fb9c'/>
+ <elf-symbol name='dput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96850bba'/>
+ <elf-symbol name='dql_completed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa00aca2a'/>
+ <elf-symbol name='dql_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ea25709'/>
+ <elf-symbol name='drain_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa38602cd'/>
+ <elf-symbol name='driver_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x660b5c9e'/>
+ <elf-symbol name='driver_create_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44456275'/>
+ <elf-symbol name='driver_find_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9be3e81'/>
+ <elf-symbol name='driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83dd6564'/>
+ <elf-symbol name='driver_remove_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc33b996'/>
+ <elf-symbol name='driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6a256d1'/>
+ <elf-symbol name='drm_add_edid_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d0fa88f'/>
+ <elf-symbol name='drm_add_modes_noedid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7b722ee'/>
+ <elf-symbol name='drm_atomic_add_affected_connectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x192fa797'/>
+ <elf-symbol name='drm_atomic_add_affected_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfa5f620'/>
+ <elf-symbol name='drm_atomic_bridge_chain_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b9a0d44'/>
+ <elf-symbol name='drm_atomic_bridge_chain_pre_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe82ccd9'/>
+ <elf-symbol name='drm_atomic_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e952b86'/>
+ <elf-symbol name='drm_atomic_get_connector_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87d1c3c0'/>
+ <elf-symbol name='drm_atomic_get_crtc_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa76de001'/>
+ <elf-symbol name='drm_atomic_get_new_bridge_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8dc9fc6c'/>
+ <elf-symbol name='drm_atomic_get_new_connector_for_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb3ede66'/>
+ <elf-symbol name='drm_atomic_get_old_connector_for_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc16393a'/>
+ <elf-symbol name='drm_atomic_get_plane_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dc5fa6'/>
+ <elf-symbol name='drm_atomic_get_private_obj_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82f1037'/>
+ <elf-symbol name='drm_atomic_helper_bridge_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54a4c021'/>
+ <elf-symbol name='drm_atomic_helper_bridge_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73c5d696'/>
+ <elf-symbol name='drm_atomic_helper_bridge_propagate_bus_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6d6e992'/>
+ <elf-symbol name='drm_atomic_helper_bridge_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c2fe043'/>
+ <elf-symbol name='drm_atomic_helper_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8035deeb'/>
+ <elf-symbol name='drm_atomic_helper_check_modeset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c73e89f'/>
+ <elf-symbol name='drm_atomic_helper_check_plane_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3783ed4'/>
+ <elf-symbol name='drm_atomic_helper_check_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0df16ec'/>
+ <elf-symbol name='drm_atomic_helper_cleanup_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc09dd84'/>
+ <elf-symbol name='drm_atomic_helper_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc41b65d4'/>
+ <elf-symbol name='drm_atomic_helper_commit_cleanup_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd188cc25'/>
+ <elf-symbol name='drm_atomic_helper_commit_duplicated_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf473e5d'/>
+ <elf-symbol name='drm_atomic_helper_commit_hw_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x974a1c5b'/>
+ <elf-symbol name='drm_atomic_helper_commit_modeset_disables' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe969e23b'/>
+ <elf-symbol name='drm_atomic_helper_commit_modeset_enables' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b4c9445'/>
+ <elf-symbol name='drm_atomic_helper_commit_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38239f8c'/>
+ <elf-symbol name='drm_atomic_helper_commit_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6df0253e'/>
+ <elf-symbol name='drm_atomic_helper_commit_tail_rpm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2900bf'/>
+ <elf-symbol name='drm_atomic_helper_connector_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6d59451'/>
+ <elf-symbol name='drm_atomic_helper_connector_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeea9f2a1'/>
+ <elf-symbol name='drm_atomic_helper_connector_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e272558'/>
+ <elf-symbol name='drm_atomic_helper_crtc_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6952df45'/>
+ <elf-symbol name='drm_atomic_helper_crtc_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a92a0c6'/>
+ <elf-symbol name='drm_atomic_helper_crtc_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc710ea4f'/>
+ <elf-symbol name='drm_atomic_helper_damage_merged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x402424a1'/>
+ <elf-symbol name='drm_atomic_helper_dirtyfb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d4ff73b'/>
+ <elf-symbol name='drm_atomic_helper_disable_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb3a6e18'/>
+ <elf-symbol name='drm_atomic_helper_disable_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeece5313'/>
+ <elf-symbol name='drm_atomic_helper_disable_planes_on_crtc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10176ca5'/>
+ <elf-symbol name='drm_atomic_helper_duplicate_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f923694'/>
+ <elf-symbol name='drm_atomic_helper_fake_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0b344da'/>
+ <elf-symbol name='drm_atomic_helper_legacy_gamma_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3192d76b'/>
+ <elf-symbol name='drm_atomic_helper_page_flip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61b66004'/>
+ <elf-symbol name='drm_atomic_helper_plane_destroy_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51ec7bd3'/>
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+ <elf-symbol name='drm_atomic_helper_plane_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf412cb2'/>
+ <elf-symbol name='drm_atomic_helper_prepare_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf56309ca'/>
+ <elf-symbol name='drm_atomic_helper_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc747d3d'/>
+ <elf-symbol name='drm_atomic_helper_set_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x145f15dd'/>
+ <elf-symbol name='drm_atomic_helper_setup_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24deb01e'/>
+ <elf-symbol name='drm_atomic_helper_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7aa68d7a'/>
+ <elf-symbol name='drm_atomic_helper_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65b87eba'/>
+ <elf-symbol name='drm_atomic_helper_swap_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66f32272'/>
+ <elf-symbol name='drm_atomic_helper_update_legacy_modeset_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3b46a4a'/>
+ <elf-symbol name='drm_atomic_helper_update_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa62bf016'/>
+ <elf-symbol name='drm_atomic_helper_wait_for_dependencies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68f647a4'/>
+ <elf-symbol name='drm_atomic_helper_wait_for_fences' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cf7332a'/>
+ <elf-symbol name='drm_atomic_helper_wait_for_flip_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x473bec6d'/>
+ <elf-symbol name='drm_atomic_helper_wait_for_vblanks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9fc92ac'/>
+ <elf-symbol name='drm_atomic_nonblocking_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25c077a0'/>
+ <elf-symbol name='drm_atomic_normalize_zpos' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x300e2395'/>
+ <elf-symbol name='drm_atomic_private_obj_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xead73204'/>
+ <elf-symbol name='drm_atomic_private_obj_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3441c1d'/>
+ <elf-symbol name='drm_atomic_set_crtc_for_connector' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa6b88bd'/>
+ <elf-symbol name='drm_atomic_set_crtc_for_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99194417'/>
+ <elf-symbol name='drm_atomic_set_fb_for_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe51f4c31'/>
+ <elf-symbol name='drm_atomic_set_fence_for_plane' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb92c8aa1'/>
+ <elf-symbol name='drm_atomic_set_mode_for_crtc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x244a2884'/>
+ <elf-symbol name='drm_atomic_set_mode_prop_for_crtc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26bd2aee'/>
+ <elf-symbol name='drm_atomic_state_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8085194'/>
+ <elf-symbol name='drm_atomic_state_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd00898f6'/>
+ <elf-symbol name='drm_atomic_state_default_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f758847'/>
+ <elf-symbol name='drm_atomic_state_default_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a575bf1'/>
+ <elf-symbol name='drm_atomic_state_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4a0b81e'/>
+ <elf-symbol name='drm_bridge_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2412377'/>
+ <elf-symbol name='drm_bridge_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8a297ce'/>
+ <elf-symbol name='drm_bridge_chain_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb933d652'/>
+ <elf-symbol name='drm_bridge_chain_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f551e2d'/>
+ <elf-symbol name='drm_bridge_chain_mode_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26997170'/>
+ <elf-symbol name='drm_bridge_chain_post_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e76ba3d'/>
+ <elf-symbol name='drm_bridge_chain_pre_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e29808f'/>
+ <elf-symbol name='drm_bridge_connector_disable_hpd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd45b758d'/>
+ <elf-symbol name='drm_bridge_connector_enable_hpd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x210d07ae'/>
+ <elf-symbol name='drm_bridge_connector_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8923f169'/>
+ <elf-symbol name='drm_bridge_hpd_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc7f8fbe'/>
+ <elf-symbol name='drm_bridge_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5714b3a'/>
+ <elf-symbol name='drm_bus_flags_from_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad885165'/>
+ <elf-symbol name='drm_calc_timestamping_constants' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee888bc0'/>
+ <elf-symbol name='drm_client_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeba422f8'/>
+ <elf-symbol name='drm_client_modeset_commit_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73e984a3'/>
+ <elf-symbol name='drm_client_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0188569'/>
+ <elf-symbol name='drm_compat_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f97225f'/>
+ <elf-symbol name='drm_connector_attach_content_protection_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7059ec16'/>
+ <elf-symbol name='drm_connector_attach_dp_subconnector_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x153540bc'/>
+ <elf-symbol name='drm_connector_attach_edid_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe29af28e'/>
+ <elf-symbol name='drm_connector_attach_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12c63a8'/>
+ <elf-symbol name='drm_connector_attach_max_bpc_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadcfebdf'/>
+ <elf-symbol name='drm_connector_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3e3f411'/>
+ <elf-symbol name='drm_connector_has_possible_encoder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5dcb228d'/>
+ <elf-symbol name='drm_connector_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11e8efe7'/>
+ <elf-symbol name='drm_connector_init_with_ddc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27def229'/>
+ <elf-symbol name='drm_connector_list_iter_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd8caed1'/>
+ <elf-symbol name='drm_connector_list_iter_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13cee112'/>
+ <elf-symbol name='drm_connector_list_iter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd83bd809'/>
+ <elf-symbol name='drm_connector_list_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfab3e71'/>
+ <elf-symbol name='drm_connector_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66672bd4'/>
+ <elf-symbol name='drm_connector_set_panel_orientation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4f3a391'/>
+ <elf-symbol name='drm_connector_set_path_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe6ac69c'/>
+ <elf-symbol name='drm_connector_set_tile_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea71c692'/>
+ <elf-symbol name='drm_connector_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7735678'/>
+ <elf-symbol name='drm_connector_update_edid_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf4223aa'/>
+ <elf-symbol name='drm_crtc_arm_vblank_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c216889'/>
+ <elf-symbol name='drm_crtc_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25025f17'/>
+ <elf-symbol name='drm_crtc_enable_color_mgmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91ad82cf'/>
+ <elf-symbol name='drm_crtc_from_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b4b0602'/>
+ <elf-symbol name='drm_crtc_handle_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdc29af8'/>
+ <elf-symbol name='drm_crtc_helper_set_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4df9112c'/>
+ <elf-symbol name='drm_crtc_helper_set_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36032cea'/>
+ <elf-symbol name='drm_crtc_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b20f44a'/>
+ <elf-symbol name='drm_crtc_init_with_planes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd29180a'/>
+ <elf-symbol name='drm_crtc_send_vblank_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50d3ef86'/>
+ <elf-symbol name='drm_crtc_set_max_vblank_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f10482d'/>
+ <elf-symbol name='drm_crtc_vblank_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x595efa2a'/>
+ <elf-symbol name='drm_crtc_vblank_count_and_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b3dbc8d'/>
+ <elf-symbol name='drm_crtc_vblank_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x802f7a1e'/>
+ <elf-symbol name='drm_crtc_vblank_helper_get_vblank_timestamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c2adb98'/>
+ <elf-symbol name='drm_crtc_vblank_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16ff6b0'/>
+ <elf-symbol name='drm_crtc_vblank_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96d944c5'/>
+ <elf-symbol name='drm_crtc_vblank_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc2c561'/>
+ <elf-symbol name='drm_crtc_vblank_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf54c3c45'/>
+ <elf-symbol name='drm_crtc_vblank_waitqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fa84774'/>
+ <elf-symbol name='drm_crtc_wait_one_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf38ad121'/>
+ <elf-symbol name='drm_cvt_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacd3f8a2'/>
+ <elf-symbol name='drm_debugfs_create_files' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a4333a3'/>
+ <elf-symbol name='drm_default_rgb_quant_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65702bd6'/>
+ <elf-symbol name='drm_detect_hdmi_monitor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8ad5d01'/>
+ <elf-symbol name='drm_detect_monitor_audio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66551bc7'/>
+ <elf-symbol name='drm_dev_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7f7f9cb'/>
+ <elf-symbol name='drm_dev_dbg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96114069'/>
+ <elf-symbol name='drm_dev_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9a2a65f'/>
+ <elf-symbol name='drm_dev_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8a034df'/>
+ <elf-symbol name='drm_dev_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e509ccb'/>
+ <elf-symbol name='drm_dev_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9200ff7'/>
+ <elf-symbol name='drm_dev_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f056a6'/>
+ <elf-symbol name='drm_dev_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe262632f'/>
+ <elf-symbol name='drm_dev_set_unique' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38e5053a'/>
+ <elf-symbol name='drm_dev_unplug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84e80aad'/>
+ <elf-symbol name='drm_dev_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf96ba9c2'/>
+ <elf-symbol name='drm_display_info_set_bus_formats' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c500e16'/>
+ <elf-symbol name='drm_display_mode_from_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66cf2f64'/>
+ <elf-symbol name='drm_display_mode_to_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe9f72f3'/>
+ <elf-symbol name='drm_do_get_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc93654d8'/>
+ <elf-symbol name='drm_dp_atomic_find_vcpi_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf7e1f00'/>
+ <elf-symbol name='drm_dp_atomic_release_vcpi_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc19ef11e'/>
+ <elf-symbol name='drm_dp_aux_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33ac8734'/>
+ <elf-symbol name='drm_dp_aux_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf07c00c0'/>
+ <elf-symbol name='drm_dp_aux_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18738f2'/>
+ <elf-symbol name='drm_dp_bw_code_to_link_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73011db0'/>
+ <elf-symbol name='drm_dp_calc_pbn_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ca2d9e4'/>
+ <elf-symbol name='drm_dp_channel_eq_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedcf81ce'/>
+ <elf-symbol name='drm_dp_check_act_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccda434f'/>
+ <elf-symbol name='drm_dp_clock_recovery_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d701329'/>
+ <elf-symbol name='drm_dp_downstream_debug' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72b6e73f'/>
+ <elf-symbol name='drm_dp_dpcd_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5286b02'/>
+ <elf-symbol name='drm_dp_dpcd_read_link_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x404c0ac9'/>
+ <elf-symbol name='drm_dp_dpcd_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5c8abd4'/>
+ <elf-symbol name='drm_dp_dsc_sink_line_buf_depth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c49551'/>
+ <elf-symbol name='drm_dp_dsc_sink_max_slice_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6615069e'/>
+ <elf-symbol name='drm_dp_find_vcpi_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa39152ad'/>
+ <elf-symbol name='drm_dp_get_adjust_request_pre_emphasis' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x582f248e'/>
+ <elf-symbol name='drm_dp_get_adjust_request_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5c99a79'/>
+ <elf-symbol name='drm_dp_get_edid_quirks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2f5c65b'/>
+ <elf-symbol name='drm_dp_link_rate_to_bw_code' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26815dbc'/>
+ <elf-symbol name='drm_dp_link_train_channel_eq_delay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48b62a57'/>
+ <elf-symbol name='drm_dp_link_train_clock_recovery_delay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6ff9496'/>
+ <elf-symbol name='drm_dp_mst_allocate_vcpi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7355ab0'/>
+ <elf-symbol name='drm_dp_mst_deallocate_vcpi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x246dccbf'/>
+ <elf-symbol name='drm_dp_mst_detect_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ac560a7'/>
+ <elf-symbol name='drm_dp_mst_dump_topology' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62762ca7'/>
+ <elf-symbol name='drm_dp_mst_get_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cc4f592'/>
+ <elf-symbol name='drm_dp_mst_get_port_malloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa048cd5'/>
+ <elf-symbol name='drm_dp_mst_hpd_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a8d0133'/>
+ <elf-symbol name='drm_dp_mst_put_port_malloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc94f45a'/>
+ <elf-symbol name='drm_dp_mst_reset_vcpi_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4897cd88'/>
+ <elf-symbol name='drm_dp_mst_topology_mgr_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x458dd067'/>
+ <elf-symbol name='drm_dp_mst_topology_mgr_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd953636b'/>
+ <elf-symbol name='drm_dp_mst_topology_mgr_set_mst' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7900cdaf'/>
+ <elf-symbol name='drm_dp_send_power_updown_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d653bba'/>
+ <elf-symbol name='drm_dp_set_subconnector_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45ec2b24'/>
+ <elf-symbol name='drm_dp_start_crc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e6af968'/>
+ <elf-symbol name='drm_dp_stop_crc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe83f0f17'/>
+ <elf-symbol name='drm_dp_update_payload_part1' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9aaf8f65'/>
+ <elf-symbol name='drm_dp_update_payload_part2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47472d09'/>
+ <elf-symbol name='drm_dsc_compute_rc_parameters' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe12bcb9'/>
+ <elf-symbol name='drm_dsc_pps_payload_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58d8fcaa'/>
+ <elf-symbol name='drm_edid_block_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd13f9985'/>
+ <elf-symbol name='drm_edid_duplicate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47f985aa'/>
+ <elf-symbol name='drm_edid_get_monitor_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x712e21d'/>
+ <elf-symbol name='drm_edid_header_is_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81992424'/>
+ <elf-symbol name='drm_edid_is_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f88521'/>
+ <elf-symbol name='drm_edid_to_sad' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc324efb9'/>
+ <elf-symbol name='drm_edid_to_speaker_allocation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9213f5c3'/>
+ <elf-symbol name='drm_encoder_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98ab4f21'/>
+ <elf-symbol name='drm_encoder_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca553146'/>
+ <elf-symbol name='drm_event_cancel_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67cee843'/>
+ <elf-symbol name='drm_event_reserve_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91b06d4e'/>
+ <elf-symbol name='drm_event_reserve_init_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf139136'/>
+ <elf-symbol name='drm_fb_cma_get_gem_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b9aab81'/>
+ <elf-symbol name='drm_flip_work_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd60ff1c2'/>
+ <elf-symbol name='drm_flip_work_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24a2ed2c'/>
+ <elf-symbol name='drm_flip_work_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x737100b1'/>
+ <elf-symbol name='drm_flip_work_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcb59b84'/>
+ <elf-symbol name='drm_format_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf826786c'/>
+ <elf-symbol name='drm_framebuffer_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4767609'/>
+ <elf-symbol name='drm_framebuffer_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16f8b1a4'/>
+ <elf-symbol name='drm_framebuffer_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x952fea4d'/>
+ <elf-symbol name='drm_framebuffer_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd9b2538'/>
+ <elf-symbol name='drm_framebuffer_unregister_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51d590bf'/>
+ <elf-symbol name='drm_gem_cma_create_object_default_funcs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7fe6ea3'/>
+ <elf-symbol name='drm_gem_cma_dumb_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2d36a86'/>
+ <elf-symbol name='drm_gem_cma_dumb_create_internal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc44f038'/>
+ <elf-symbol name='drm_gem_cma_free_object' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdc6165b'/>
+ <elf-symbol name='drm_gem_cma_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97155a1a'/>
+ <elf-symbol name='drm_gem_cma_prime_get_sg_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d247097'/>
+ <elf-symbol name='drm_gem_cma_prime_import_sg_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae7d09be'/>
+ <elf-symbol name='drm_gem_cma_prime_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5dddec46'/>
+ <elf-symbol name='drm_gem_cma_prime_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd42093d'/>
+ <elf-symbol name='drm_gem_cma_prime_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x919fb23d'/>
+ <elf-symbol name='drm_gem_create_mmap_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc72ba40'/>
+ <elf-symbol name='drm_gem_dmabuf_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58743d9d'/>
+ <elf-symbol name='drm_gem_dmabuf_get_uuid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2422bcd8'/>
+ <elf-symbol name='drm_gem_dmabuf_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a93f40d'/>
+ <elf-symbol name='drm_gem_dmabuf_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceea26f1'/>
+ <elf-symbol name='drm_gem_dmabuf_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefd9435'/>
+ <elf-symbol name='drm_gem_dmabuf_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb90616f5'/>
+ <elf-symbol name='drm_gem_dumb_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0ceca01'/>
+ <elf-symbol name='drm_gem_dumb_map_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32f24e03'/>
+ <elf-symbol name='drm_gem_fb_afbc_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9d18edd'/>
+ <elf-symbol name='drm_gem_fb_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1b82b43'/>
+ <elf-symbol name='drm_gem_fb_create_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x298a991e'/>
+ <elf-symbol name='drm_gem_fb_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bf46d4e'/>
+ <elf-symbol name='drm_gem_fb_get_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd89c89c6'/>
+ <elf-symbol name='drm_gem_fb_init_with_funcs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd00ad1ac'/>
+ <elf-symbol name='drm_gem_fb_prepare_fb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44df1a9c'/>
+ <elf-symbol name='drm_gem_free_mmap_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca14f36c'/>
+ <elf-symbol name='drm_gem_get_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73b1db7d'/>
+ <elf-symbol name='drm_gem_handle_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e99166e'/>
+ <elf-symbol name='drm_gem_handle_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c41545a'/>
+ <elf-symbol name='drm_gem_lock_reservations' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b8c06d8'/>
+ <elf-symbol name='drm_gem_map_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cde20c1'/>
+ <elf-symbol name='drm_gem_map_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x459697c7'/>
+ <elf-symbol name='drm_gem_map_dma_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c7734c0'/>
+ <elf-symbol name='drm_gem_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9971e27'/>
+ <elf-symbol name='drm_gem_mmap_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67f71ba6'/>
+ <elf-symbol name='drm_gem_object_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd680a377'/>
+ <elf-symbol name='drm_gem_object_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbd8430c'/>
+ <elf-symbol name='drm_gem_object_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c50c70b'/>
+ <elf-symbol name='drm_gem_object_put_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70ee2fb'/>
+ <elf-symbol name='drm_gem_object_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47bafdc8'/>
+ <elf-symbol name='drm_gem_prime_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b0723bf'/>
+ <elf-symbol name='drm_gem_prime_fd_to_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa898adb5'/>
+ <elf-symbol name='drm_gem_prime_handle_to_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe509f9ec'/>
+ <elf-symbol name='drm_gem_prime_import' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc9448e4'/>
+ <elf-symbol name='drm_gem_prime_import_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa22c07f2'/>
+ <elf-symbol name='drm_gem_prime_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd74ac8ae'/>
+ <elf-symbol name='drm_gem_private_object_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ab89937'/>
+ <elf-symbol name='drm_gem_put_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e59ba2a'/>
+ <elf-symbol name='drm_gem_shmem_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7132624'/>
+ <elf-symbol name='drm_gem_shmem_free_object' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcff57c17'/>
+ <elf-symbol name='drm_gem_shmem_get_sg_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bc177ca'/>
+ <elf-symbol name='drm_gem_shmem_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd34b67f'/>
+ <elf-symbol name='drm_gem_shmem_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa27dd9ef'/>
+ <elf-symbol name='drm_gem_shmem_print_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4d49eb0'/>
+ <elf-symbol name='drm_gem_shmem_unpin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87931466'/>
+ <elf-symbol name='drm_gem_shmem_vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8137a7c2'/>
+ <elf-symbol name='drm_gem_shmem_vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24678707'/>
+ <elf-symbol name='drm_gem_unlock_reservations' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51f3ebb9'/>
+ <elf-symbol name='drm_gem_unmap_dma_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6468bc3'/>
+ <elf-symbol name='drm_gem_vm_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b40d560'/>
+ <elf-symbol name='drm_gem_vm_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed6a6f3c'/>
+ <elf-symbol name='drm_get_connector_status_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd60df2'/>
+ <elf-symbol name='drm_get_connector_type_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf406e46a'/>
+ <elf-symbol name='drm_get_edid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef2571f9'/>
+ <elf-symbol name='drm_get_format_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x400fbf4b'/>
+ <elf-symbol name='drm_get_format_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e095f11'/>
+ <elf-symbol name='drm_handle_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x291fccd0'/>
+ <elf-symbol name='drm_hdcp_check_ksvs_revoked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x111c75dc'/>
+ <elf-symbol name='drm_hdmi_avi_infoframe_colorspace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb460cce'/>
+ <elf-symbol name='drm_hdmi_avi_infoframe_from_display_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dd70d27'/>
+ <elf-symbol name='drm_hdmi_avi_infoframe_quant_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x184b6261'/>
+ <elf-symbol name='drm_hdmi_infoframe_set_hdr_metadata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64e6a070'/>
+ <elf-symbol name='drm_hdmi_vendor_infoframe_from_display_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb51a9198'/>
+ <elf-symbol name='drm_helper_connector_dpms' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f514c73'/>
+ <elf-symbol name='drm_helper_disable_unused_functions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbde04239'/>
+ <elf-symbol name='drm_helper_force_disable_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b897c78'/>
+ <elf-symbol name='drm_helper_hpd_irq_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11617bf8'/>
+ <elf-symbol name='drm_helper_mode_fill_fb_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe96a4426'/>
+ <elf-symbol name='drm_helper_probe_detect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5cb5ebf'/>
+ <elf-symbol name='drm_helper_probe_single_connector_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19f9f577'/>
+ <elf-symbol name='drm_helper_resume_force_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80162712'/>
+ <elf-symbol name='drm_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ec8fb1e'/>
+ <elf-symbol name='drm_irq_install' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa09e6fcb'/>
+ <elf-symbol name='drm_irq_uninstall' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f7dd33e'/>
+ <elf-symbol name='drm_is_current_master' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb066c4a'/>
+ <elf-symbol name='drm_kms_helper_hotplug_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x560eaaab'/>
+ <elf-symbol name='drm_kms_helper_is_poll_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a4734d1'/>
+ <elf-symbol name='drm_kms_helper_poll_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe04d7b9'/>
+ <elf-symbol name='drm_kms_helper_poll_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5513e9c2'/>
+ <elf-symbol name='drm_kms_helper_poll_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29084663'/>
+ <elf-symbol name='drm_kms_helper_poll_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa25bb33'/>
+ <elf-symbol name='drm_match_cea_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b285573'/>
+ <elf-symbol name='drm_mm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0517d7a'/>
+ <elf-symbol name='drm_mm_insert_node_in_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4032484'/>
+ <elf-symbol name='drm_mm_print' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7acb66'/>
+ <elf-symbol name='drm_mm_remove_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b7ebf95'/>
+ <elf-symbol name='drm_mm_takedown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57698a50'/>
+ <elf-symbol name='drm_mode_config_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b2a8376'/>
+ <elf-symbol name='drm_mode_config_helper_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8665a6b4'/>
+ <elf-symbol name='drm_mode_config_helper_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb84f5323'/>
+ <elf-symbol name='drm_mode_config_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7b26e13'/>
+ <elf-symbol name='drm_mode_convert_to_umode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4694508f'/>
+ <elf-symbol name='drm_mode_convert_umode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8befb073'/>
+ <elf-symbol name='drm_mode_copy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ce050be'/>
+ <elf-symbol name='drm_mode_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81d1f74f'/>
+ <elf-symbol name='drm_mode_create_dp_colorspace_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ab4fe90'/>
+ <elf-symbol name='drm_mode_create_hdmi_colorspace_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26b42282'/>
+ <elf-symbol name='drm_mode_create_scaling_mode_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc21fc00d'/>
+ <elf-symbol name='drm_mode_create_tile_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x973137a8'/>
+ <elf-symbol name='drm_mode_create_tv_properties' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfc3dd18'/>
+ <elf-symbol name='drm_mode_crtc_set_gamma_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15ced808'/>
+ <elf-symbol name='drm_mode_debug_printmodeline' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ed3c600'/>
+ <elf-symbol name='drm_mode_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1b6f0c8'/>
+ <elf-symbol name='drm_mode_duplicate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf457c7f9'/>
+ <elf-symbol name='drm_mode_equal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9b4753'/>
+ <elf-symbol name='drm_mode_equal_no_clocks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ab87110'/>
+ <elf-symbol name='drm_mode_find_dmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8448d44a'/>
+ <elf-symbol name='drm_mode_get_tile_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e2ca73c'/>
+ <elf-symbol name='drm_mode_is_420' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5dae06b'/>
+ <elf-symbol name='drm_mode_is_420_also' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5efc6fd0'/>
+ <elf-symbol name='drm_mode_is_420_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x403bd3ea'/>
+ <elf-symbol name='drm_mode_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b95c885'/>
+ <elf-symbol name='drm_mode_object_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a07411a'/>
+ <elf-symbol name='drm_mode_object_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x113ef8f6'/>
+ <elf-symbol name='drm_mode_object_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37c0a8bd'/>
+ <elf-symbol name='drm_mode_probed_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7e54fb'/>
+ <elf-symbol name='drm_mode_prune_invalid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46fd601d'/>
+ <elf-symbol name='drm_mode_set_crtcinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4575a0ca'/>
+ <elf-symbol name='drm_mode_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a35d30d'/>
+ <elf-symbol name='drm_mode_sort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1421d13'/>
+ <elf-symbol name='drm_mode_validate_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5edc62b1'/>
+ <elf-symbol name='drm_mode_validate_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7a9cf42'/>
+ <elf-symbol name='drm_mode_validate_ycbcr420' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f7b5871'/>
+ <elf-symbol name='drm_mode_vrefresh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1b5340a'/>
+ <elf-symbol name='drm_modeset_acquire_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e5c271d'/>
+ <elf-symbol name='drm_modeset_acquire_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18f40ec8'/>
+ <elf-symbol name='drm_modeset_backoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8a2e63f'/>
+ <elf-symbol name='drm_modeset_drop_locks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25198153'/>
+ <elf-symbol name='drm_modeset_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe375a3e9'/>
+ <elf-symbol name='drm_modeset_lock_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc4ac528'/>
+ <elf-symbol name='drm_modeset_lock_all_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x406e7324'/>
+ <elf-symbol name='drm_modeset_lock_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1fdce1d'/>
+ <elf-symbol name='drm_modeset_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8ece65b'/>
+ <elf-symbol name='drm_modeset_unlock_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d65139a'/>
+ <elf-symbol name='drm_need_swiotlb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6127243'/>
+ <elf-symbol name='drm_object_attach_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0bf9ddc'/>
+ <elf-symbol name='drm_object_property_set_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16ee4233'/>
+ <elf-symbol name='drm_of_component_match_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d1bbe5f'/>
+ <elf-symbol name='drm_of_crtc_port_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4799d583'/>
+ <elf-symbol name='drm_of_encoder_active_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63cb209f'/>
+ <elf-symbol name='drm_of_find_panel_or_bridge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd90325f'/>
+ <elf-symbol name='drm_of_find_possible_crtcs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbab7e95'/>
+ <elf-symbol name='drm_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ceab6a7'/>
+ <elf-symbol name='drm_panel_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeacb5bb2'/>
+ <elf-symbol name='drm_panel_bridge_add_typed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d183663'/>
+ <elf-symbol name='drm_panel_bridge_connector' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa331bd6a'/>
+ <elf-symbol name='drm_panel_bridge_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x442a0d17'/>
+ <elf-symbol name='drm_panel_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffd760a2'/>
+ <elf-symbol name='drm_panel_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9863de77'/>
+ <elf-symbol name='drm_panel_get_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45e5cb8'/>
+ <elf-symbol name='drm_panel_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfd57ea6'/>
+ <elf-symbol name='drm_panel_of_backlight' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fa8352'/>
+ <elf-symbol name='drm_panel_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd01c0c9a'/>
+ <elf-symbol name='drm_panel_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a1c4969'/>
+ <elf-symbol name='drm_panel_unprepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a7e7bca'/>
+ <elf-symbol name='drm_plane_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadc65b16'/>
+ <elf-symbol name='drm_plane_create_alpha_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1542a1e7'/>
+ <elf-symbol name='drm_plane_create_blend_mode_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e54696d'/>
+ <elf-symbol name='drm_plane_create_color_properties' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca1494e3'/>
+ <elf-symbol name='drm_plane_create_rotation_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcccf4e8'/>
+ <elf-symbol name='drm_plane_create_zpos_immutable_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x882590b'/>
+ <elf-symbol name='drm_plane_create_zpos_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ed4fb2'/>
+ <elf-symbol name='drm_plane_enable_fb_damage_clips' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e7a9b18'/>
+ <elf-symbol name='drm_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b227ad9'/>
+ <elf-symbol name='drm_prime_gem_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cac31ca'/>
+ <elf-symbol name='drm_prime_get_contiguous_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd05fda43'/>
+ <elf-symbol name='drm_prime_pages_to_sg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79319a20'/>
+ <elf-symbol name='drm_prime_sg_to_page_addr_arrays' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee1e60b3'/>
+ <elf-symbol name='drm_printf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28779e52'/>
+ <elf-symbol name='drm_property_blob_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa9127be'/>
+ <elf-symbol name='drm_property_blob_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11152d5f'/>
+ <elf-symbol name='drm_property_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38d1c351'/>
+ <elf-symbol name='drm_property_create_bitmask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44dc4203'/>
+ <elf-symbol name='drm_property_create_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca6b1aea'/>
+ <elf-symbol name='drm_property_create_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca67675c'/>
+ <elf-symbol name='drm_property_create_enum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3378688'/>
+ <elf-symbol name='drm_property_create_object' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5eb1d4a8'/>
+ <elf-symbol name='drm_property_create_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x574cd639'/>
+ <elf-symbol name='drm_property_create_signed_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c4524d4'/>
+ <elf-symbol name='drm_property_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf933d35f'/>
+ <elf-symbol name='drm_property_lookup_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16e56081'/>
+ <elf-symbol name='drm_property_replace_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd4f954e'/>
+ <elf-symbol name='drm_property_replace_global_blob' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3bd421c9'/>
+ <elf-symbol name='drm_puts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x521ad6d0'/>
+ <elf-symbol name='drm_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0db97f8'/>
+ <elf-symbol name='drm_rect_calc_hscale' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d50570f'/>
+ <elf-symbol name='drm_rect_calc_vscale' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91fec1cc'/>
+ <elf-symbol name='drm_rect_clip_scaled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99fd20aa'/>
+ <elf-symbol name='drm_rect_intersect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x871ab41a'/>
+ <elf-symbol name='drm_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x331ce3aa'/>
+ <elf-symbol name='drm_rotation_simplify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf666902'/>
+ <elf-symbol name='drm_scdc_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2372074'/>
+ <elf-symbol name='drm_scdc_set_high_tmds_clock_ratio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9aa28ff'/>
+ <elf-symbol name='drm_scdc_set_scrambling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb33bf9b'/>
+ <elf-symbol name='drm_scdc_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14d97a66'/>
+ <elf-symbol name='drm_self_refresh_helper_alter_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b4d0a00'/>
+ <elf-symbol name='drm_send_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x685d0d2b'/>
+ <elf-symbol name='drm_send_event_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6ff96a5'/>
+ <elf-symbol name='drm_set_preferred_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e057e52'/>
+ <elf-symbol name='drm_simple_encoder_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x751f8a66'/>
+ <elf-symbol name='drm_state_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a25bf05'/>
+ <elf-symbol name='drm_syncobj_add_point' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x803ba4b3'/>
+ <elf-symbol name='drm_syncobj_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac420866'/>
+ <elf-symbol name='drm_syncobj_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f70d2c5'/>
+ <elf-symbol name='drm_syncobj_find_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95ed58ce'/>
+ <elf-symbol name='drm_syncobj_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a411479'/>
+ <elf-symbol name='drm_syncobj_get_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8463c74e'/>
+ <elf-symbol name='drm_syncobj_get_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf046e48c'/>
+ <elf-symbol name='drm_syncobj_replace_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aecc622'/>
+ <elf-symbol name='drm_sysfs_hotplug_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43818116'/>
+ <elf-symbol name='drm_universal_plane_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa44e20c1'/>
+ <elf-symbol name='drm_vblank_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac2edca8'/>
+ <elf-symbol name='drm_vma_node_allow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3aec1bec'/>
+ <elf-symbol name='drm_vma_node_is_allowed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11b9567a'/>
+ <elf-symbol name='drm_vma_node_revoke' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe116d3a4'/>
+ <elf-symbol name='drm_wait_one_vblank' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc02b8bb8'/>
+ <elf-symbol name='drm_writeback_connector_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68b29b25'/>
+ <elf-symbol name='drm_writeback_queue_job' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea164e56'/>
+ <elf-symbol name='drm_writeback_signal_completion' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x908a1865'/>
+ <elf-symbol name='drmm_kmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c7f55db'/>
+ <elf-symbol name='drmm_mode_config_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93227e53'/>
+ <elf-symbol name='dst_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66a269cc'/>
+ <elf-symbol name='dump_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb99cbedb'/>
+ <elf-symbol name='dump_backtrace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe5887b6'/>
+ <elf-symbol name='dump_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5737e39'/>
+ <elf-symbol name='dump_stack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b2dc060'/>
+ <elf-symbol name='dup_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49b54fda'/>
+ <elf-symbol name='dw_handle_msi_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93cbd452'/>
+ <elf-symbol name='dw_pcie_ep_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x479e4dcb'/>
+ <elf-symbol name='dw_pcie_ep_raise_legacy_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79753805'/>
+ <elf-symbol name='dw_pcie_ep_raise_msi_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe321bc24'/>
+ <elf-symbol name='dw_pcie_ep_raise_msix_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75abc962'/>
+ <elf-symbol name='dw_pcie_ep_reset_bar' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82c17e6e'/>
+ <elf-symbol name='dw_pcie_find_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ea32997'/>
+ <elf-symbol name='dw_pcie_find_ext_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc88dee1b'/>
+ <elf-symbol name='dw_pcie_host_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a15677a'/>
+ <elf-symbol name='dw_pcie_link_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b3cba20'/>
+ <elf-symbol name='dw_pcie_msi_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bd75896'/>
+ <elf-symbol name='dw_pcie_own_conf_map_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ae5f1ac'/>
+ <elf-symbol name='dw_pcie_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7791e066'/>
+ <elf-symbol name='dw_pcie_read_dbi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb71700ce'/>
+ <elf-symbol name='dw_pcie_setup_rc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73723e0d'/>
+ <elf-symbol name='dw_pcie_wait_for_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe280048c'/>
+ <elf-symbol name='dw_pcie_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe9a83d5'/>
+ <elf-symbol name='dw_pcie_write_dbi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7147dbc4'/>
+ <elf-symbol name='dwc3_send_gadget_ep_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0131516'/>
+ <elf-symbol name='dwc3_stop_active_transfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7e7f268'/>
+ <elf-symbol name='edac_device_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x572b218a'/>
+ <elf-symbol name='edac_device_alloc_ctl_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73b0083'/>
+ <elf-symbol name='edac_device_alloc_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e3ff83a'/>
+ <elf-symbol name='edac_device_del_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd29353ed'/>
+ <elf-symbol name='edac_device_free_ctl_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d0e6d69'/>
+ <elf-symbol name='edac_device_handle_ce_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32f4fbff'/>
+ <elf-symbol name='edac_device_handle_ue_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x374c95d4'/>
+ <elf-symbol name='ehci_handshake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc232993'/>
+ <elf-symbol name='ehci_hub_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca54d1cf'/>
+ <elf-symbol name='ehci_init_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c5354b5'/>
+ <elf-symbol name='ehci_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0f0c5d'/>
+ <elf-symbol name='elevator_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d68e325'/>
+ <elf-symbol name='elv_bio_merge_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cb51b56'/>
+ <elf-symbol name='elv_rb_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9f7891e'/>
+ <elf-symbol name='elv_rb_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58cd1230'/>
+ <elf-symbol name='elv_rb_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4e100f6'/>
+ <elf-symbol name='elv_rb_former_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa79f8e06'/>
+ <elf-symbol name='elv_rb_latter_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d3db8c7'/>
+ <elf-symbol name='elv_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ad87c4d'/>
+ <elf-symbol name='elv_rqhash_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13202795'/>
+ <elf-symbol name='elv_rqhash_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7313ca0'/>
+ <elf-symbol name='elv_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x706340da'/>
+ <elf-symbol name='em_cpu_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42c9a04'/>
+ <elf-symbol name='em_dev_register_perf_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b761c25'/>
+ <elf-symbol name='emergency_restart' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0c05159'/>
+ <elf-symbol name='enable_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcec0987'/>
+ <elf-symbol name='enable_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x335c570f'/>
+ <elf-symbol name='end_buffer_read_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8fa6beb'/>
+ <elf-symbol name='eth_commit_mac_addr_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42bf83cd'/>
+ <elf-symbol name='eth_header' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ec241ac'/>
+ <elf-symbol name='eth_header_cache' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11c15ac5'/>
+ <elf-symbol name='eth_header_cache_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18b3647f'/>
+ <elf-symbol name='eth_header_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dfa8185'/>
+ <elf-symbol name='eth_mac_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe708de11'/>
+ <elf-symbol name='eth_platform_get_mac_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8209eb00'/>
+ <elf-symbol name='eth_prepare_mac_addr_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5c360e0'/>
+ <elf-symbol name='eth_type_trans' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1197a552'/>
+ <elf-symbol name='eth_validate_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc395cc79'/>
+ <elf-symbol name='ether_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdab095a6'/>
+ <elf-symbol name='ethnl_cable_test_fault_length' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b3c8b05'/>
+ <elf-symbol name='ethnl_cable_test_result' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5b1319d'/>
+ <elf-symbol name='ethtool_op_get_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa030bbd1'/>
+ <elf-symbol name='ethtool_op_get_ts_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86548aab'/>
+ <elf-symbol name='ethtool_virtdev_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb75442e0'/>
+ <elf-symbol name='event_triggers_call' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c087dd1'/>
+ <elf-symbol name='eventfd_ctx_fdget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd67364f7'/>
+ <elf-symbol name='eventfd_ctx_fileget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fa1b0a1'/>
+ <elf-symbol name='eventfd_ctx_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x941f2aaa'/>
+ <elf-symbol name='eventfd_ctx_remove_wait_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41ed3cec'/>
+ <elf-symbol name='eventfd_signal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf0f75c6'/>
+ <elf-symbol name='extcon_find_edev_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ccc830b'/>
+ <elf-symbol name='extcon_get_edev_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81b79cd8'/>
+ <elf-symbol name='extcon_get_edev_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ba9dd33'/>
+ <elf-symbol name='extcon_get_extcon_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3a43c71'/>
+ <elf-symbol name='extcon_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5646823a'/>
+ <elf-symbol name='extcon_get_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x652bbe55'/>
+ <elf-symbol name='extcon_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38e5e394'/>
+ <elf-symbol name='extcon_set_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ec996af'/>
+ <elf-symbol name='extcon_set_property_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb795f74'/>
+ <elf-symbol name='extcon_set_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42e7846b'/>
+ <elf-symbol name='extcon_set_state_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafb7a5e0'/>
+ <elf-symbol name='extcon_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6850da2f'/>
+ <elf-symbol name='extcon_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c6a9657'/>
+ <elf-symbol name='fasync_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x868ee60d'/>
+ <elf-symbol name='fd_install' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dbab506'/>
+ <elf-symbol name='fget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd218c924'/>
+ <elf-symbol name='file_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4ad516f'/>
+ <elf-symbol name='file_ra_state_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8561116'/>
+ <elf-symbol name='filp_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe92b8d30'/>
+ <elf-symbol name='filp_open_block' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74a419b1'/>
+ <elf-symbol name='find_extend_vma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41dcc035'/>
+ <elf-symbol name='find_get_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdca62649'/>
+ <elf-symbol name='find_last_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6a68816'/>
+ <elf-symbol name='find_next_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0a3d105'/>
+ <elf-symbol name='find_next_zero_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x479c3c86'/>
+ <elf-symbol name='find_pid_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72576fdc'/>
+ <elf-symbol name='find_snd_usb_substream' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x948eede7'/>
+ <elf-symbol name='find_task_by_vpid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f92131'/>
+ <elf-symbol name='find_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed9ce4bd'/>
+ <elf-symbol name='find_vma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x806ab898'/>
+ <elf-symbol name='find_vpid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12aec6f2'/>
+ <elf-symbol name='finish_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92540fbf'/>
+ <elf-symbol name='firmware_request_nowarn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bff2d19'/>
+ <elf-symbol name='fixed_size_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f7f02bb'/>
+ <elf-symbol name='flush_dcache_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb0082ac'/>
+ <elf-symbol name='flush_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1148c0ea'/>
+ <elf-symbol name='flush_signals' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb4212b1'/>
+ <elf-symbol name='flush_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4735ac17'/>
+ <elf-symbol name='flush_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42160169'/>
+ <elf-symbol name='follow_pfn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2956bcef'/>
+ <elf-symbol name='for_each_kernel_tracepoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58c6377'/>
+ <elf-symbol name='fput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0598939'/>
+ <elf-symbol name='frame_vector_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65246b8'/>
+ <elf-symbol name='frame_vector_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d5f9555'/>
+ <elf-symbol name='frame_vector_to_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5e5573a'/>
+ <elf-symbol name='frame_vector_to_pfns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdffb744b'/>
+ <elf-symbol name='free_buffer_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd64922f'/>
+ <elf-symbol name='free_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a19aeb7'/>
+ <elf-symbol name='free_io_pgtable_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e5c5bed'/>
+ <elf-symbol name='free_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1514a3b'/>
+ <elf-symbol name='free_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f21dc78'/>
+ <elf-symbol name='free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4302d0eb'/>
+ <elf-symbol name='free_pages_exact' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb44339a'/>
+ <elf-symbol name='free_percpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9ec4e21'/>
+ <elf-symbol name='free_percpu_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc6bec66'/>
+ <elf-symbol name='free_uid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcca80fe'/>
+ <elf-symbol name='freezing_slow_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b4ab3e7'/>
+ <elf-symbol name='freq_qos_add_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8959e3df'/>
+ <elf-symbol name='freq_qos_add_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28498a88'/>
+ <elf-symbol name='freq_qos_remove_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x894967be'/>
+ <elf-symbol name='freq_qos_update_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2eec24ef'/>
+ <elf-symbol name='fsg_common_create_luns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1a3e8e0'/>
+ <elf-symbol name='fsg_common_set_cdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b585045'/>
+ <elf-symbol name='fsg_common_set_inquiry_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6acb4179'/>
+ <elf-symbol name='fsg_common_set_sysfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e26d4a5'/>
+ <elf-symbol name='fsg_config_from_params' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab6c68ac'/>
+ <elf-symbol name='fsync_bdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb089cf22'/>
+ <elf-symbol name='ftrace_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaaa918c9'/>
+ <elf-symbol name='full_name_hash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6eaaea1'/>
+ <elf-symbol name='fwnode_create_software_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1cedf5f8'/>
+ <elf-symbol name='fwnode_device_is_available' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd83aab98'/>
+ <elf-symbol name='fwnode_find_reference' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15609a5e'/>
+ <elf-symbol name='fwnode_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60e50a97'/>
+ <elf-symbol name='fwnode_get_named_child_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf8ff028'/>
+ <elf-symbol name='fwnode_get_next_child_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8711b8f5'/>
+ <elf-symbol name='fwnode_gpiod_get_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc918be37'/>
+ <elf-symbol name='fwnode_graph_get_next_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8bd8d3df'/>
+ <elf-symbol name='fwnode_graph_get_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3c72aac'/>
+ <elf-symbol name='fwnode_graph_get_remote_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58a9eb1c'/>
+ <elf-symbol name='fwnode_graph_get_remote_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc70a6c9d'/>
+ <elf-symbol name='fwnode_graph_parse_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0517dc4'/>
+ <elf-symbol name='fwnode_handle_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8b6d96e'/>
+ <elf-symbol name='fwnode_handle_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a4af073'/>
+ <elf-symbol name='fwnode_property_get_reference_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1400dcd3'/>
+ <elf-symbol name='fwnode_property_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25f6bb4f'/>
+ <elf-symbol name='fwnode_property_read_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98d630d4'/>
+ <elf-symbol name='fwnode_property_read_u32_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4b43a7c'/>
+ <elf-symbol name='fwnode_property_read_u64_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26b300ca'/>
+ <elf-symbol name='fwnode_usb_role_switch_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf4f84f8'/>
+ <elf-symbol name='gcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea124bd1'/>
+ <elf-symbol name='gen_pool_add_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbefa51a3'/>
+ <elf-symbol name='gen_pool_alloc_algo_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b593aa8'/>
+ <elf-symbol name='gen_pool_avail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0d3f0a4'/>
+ <elf-symbol name='gen_pool_best_fit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb737b185'/>
+ <elf-symbol name='gen_pool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xced0f4d4'/>
+ <elf-symbol name='gen_pool_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c224cda'/>
+ <elf-symbol name='gen_pool_dma_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x486075c8'/>
+ <elf-symbol name='gen_pool_dma_alloc_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xada31e57'/>
+ <elf-symbol name='gen_pool_dma_zalloc_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d210724'/>
+ <elf-symbol name='gen_pool_first_fit_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e855e56'/>
+ <elf-symbol name='gen_pool_first_fit_order_align' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f4bd846'/>
+ <elf-symbol name='gen_pool_free_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60ba97c'/>
+ <elf-symbol name='gen_pool_has_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f557414'/>
+ <elf-symbol name='gen_pool_set_algo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96e5d30f'/>
+ <elf-symbol name='gen_pool_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2464da17'/>
+ <elf-symbol name='gen_pool_virt_to_phys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d0ba682'/>
+ <elf-symbol name='generic_delete_inode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x977db545'/>
+ <elf-symbol name='generic_device_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca0e26f1'/>
+ <elf-symbol name='generic_file_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2aa8e76'/>
+ <elf-symbol name='generic_file_read_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35bd5cb7'/>
+ <elf-symbol name='generic_handle_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ceaf0d5'/>
+ <elf-symbol name='generic_iommu_put_resv_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5603b84d'/>
+ <elf-symbol name='generic_mii_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8050b7b0'/>
+ <elf-symbol name='generic_perform_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb315cdab'/>
+ <elf-symbol name='generic_shutdown_super' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c5f03ad'/>
+ <elf-symbol name='generic_write_checks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45487dc5'/>
+ <elf-symbol name='genl_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2ba12'/>
+ <elf-symbol name='genl_register_family' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f9bb237'/>
+ <elf-symbol name='genl_unregister_family' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78e4183e'/>
+ <elf-symbol name='genlmsg_multicast_allns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8dc60d3'/>
+ <elf-symbol name='genlmsg_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7674c6a1'/>
+ <elf-symbol name='genphy_aneg_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19482543'/>
+ <elf-symbol name='genphy_read_abilities' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbac82bf'/>
+ <elf-symbol name='genphy_read_lpa' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68511c2c'/>
+ <elf-symbol name='genphy_read_mmd_unsupported' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf58b5a2'/>
+ <elf-symbol name='genphy_read_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35bee5ef'/>
+ <elf-symbol name='genphy_restart_aneg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ff1de14'/>
+ <elf-symbol name='genphy_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4698285f'/>
+ <elf-symbol name='genphy_soft_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2842f249'/>
+ <elf-symbol name='genphy_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1be4da9d'/>
+ <elf-symbol name='genphy_update_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94998ddb'/>
+ <elf-symbol name='genphy_write_mmd_unsupported' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3417f29'/>
+ <elf-symbol name='get_cpu_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9e0f27d'/>
+ <elf-symbol name='get_cpu_idle_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fe899b7'/>
+ <elf-symbol name='get_cpu_idle_time_us' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b9793a2'/>
+ <elf-symbol name='get_cpu_iowait_time_us' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1234e483'/>
+ <elf-symbol name='get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54f79951'/>
+ <elf-symbol name='get_device_system_crosststamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51f2ba0f'/>
+ <elf-symbol name='get_each_dmabuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4a0a2a0'/>
+ <elf-symbol name='get_each_object_track' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x882f614f'/>
+ <elf-symbol name='get_freelist_nr_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x618b006f'/>
+ <elf-symbol name='get_governor_parent_kobj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8da8552'/>
+ <elf-symbol name='get_kernel_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b413908'/>
+ <elf-symbol name='get_net_ns_by_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8581ad8e'/>
+ <elf-symbol name='get_net_ns_by_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a89f3fd'/>
+ <elf-symbol name='get_next_ino' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe953b21f'/>
+ <elf-symbol name='get_option' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0e10781'/>
+ <elf-symbol name='get_options' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x868acba5'/>
+ <elf-symbol name='get_page_owner_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdd70345'/>
+ <elf-symbol name='get_pfnblock_flags_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde8367aa'/>
+ <elf-symbol name='get_pid_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd15a2984'/>
+ <elf-symbol name='get_random_bytes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79aa04a2'/>
+ <elf-symbol name='get_random_bytes_arch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d830297'/>
+ <elf-symbol name='get_random_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd36dc10c'/>
+ <elf-symbol name='get_random_u64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3ff2c41'/>
+ <elf-symbol name='get_sg_io_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1de4ccb2'/>
+ <elf-symbol name='get_slabinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f6ac589'/>
+ <elf-symbol name='get_state_synchronize_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3808cb1'/>
+ <elf-symbol name='get_task_exe_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa54a0d7'/>
+ <elf-symbol name='get_task_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa378a2f4'/>
+ <elf-symbol name='get_task_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7ae66c5'/>
+ <elf-symbol name='get_thermal_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fd7929b'/>
+ <elf-symbol name='get_tree_single' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fbc0597'/>
+ <elf-symbol name='get_unmapped_area' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b388f17'/>
+ <elf-symbol name='get_unused_fd_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa843805a'/>
+ <elf-symbol name='get_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3efe018'/>
+ <elf-symbol name='get_user_pages_fast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85d15b78'/>
+ <elf-symbol name='get_user_pages_remote' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8151d0b3'/>
+ <elf-symbol name='get_vaddr_frames' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58adb05c'/>
+ <elf-symbol name='get_wchan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a4afbf0'/>
+ <elf-symbol name='get_zeroed_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf09b5d9a'/>
+ <elf-symbol name='getboottime64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef464c28'/>
+ <elf-symbol name='gf128mul_lle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e13f6f6'/>
+ <elf-symbol name='gfp_zone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d359b5c'/>
+ <elf-symbol name='gic_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14da596c'/>
+ <elf-symbol name='glob_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5009c71d'/>
+ <elf-symbol name='gnss_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x691b73ee'/>
+ <elf-symbol name='gnss_deregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe506bb35'/>
+ <elf-symbol name='gnss_insert_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc7f72b8'/>
+ <elf-symbol name='gnss_put_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9094f720'/>
+ <elf-symbol name='gnss_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a90bdac'/>
+ <elf-symbol name='gov_attr_set_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1effeca'/>
+ <elf-symbol name='gov_attr_set_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac10b46f'/>
+ <elf-symbol name='gov_attr_set_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6de6d04'/>
+ <elf-symbol name='gov_update_cpu_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb182536'/>
+ <elf-symbol name='gpio_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe990052'/>
+ <elf-symbol name='gpio_free_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0d1656c'/>
+ <elf-symbol name='gpio_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47229b5c'/>
+ <elf-symbol name='gpio_request_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ba2bb2b'/>
+ <elf-symbol name='gpio_request_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x403f9529'/>
+ <elf-symbol name='gpio_to_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c531865'/>
+ <elf-symbol name='gpiochip_add_data_with_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64370fe3'/>
+ <elf-symbol name='gpiochip_add_pin_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42c032e6'/>
+ <elf-symbol name='gpiochip_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8c77bec'/>
+ <elf-symbol name='gpiochip_generic_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c7f8b8a'/>
+ <elf-symbol name='gpiochip_generic_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55a9ebb2'/>
+ <elf-symbol name='gpiochip_generic_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb87c0c9f'/>
+ <elf-symbol name='gpiochip_get_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60fe6854'/>
+ <elf-symbol name='gpiochip_line_is_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe71c5570'/>
+ <elf-symbol name='gpiochip_lock_as_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1af638e6'/>
+ <elf-symbol name='gpiochip_populate_parent_fwspec_fourcell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d9e1c12'/>
+ <elf-symbol name='gpiochip_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4cd666f'/>
+ <elf-symbol name='gpiochip_unlock_as_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x918a23c0'/>
+ <elf-symbol name='gpiod_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc72c995d'/>
+ <elf-symbol name='gpiod_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5f7243'/>
+ <elf-symbol name='gpiod_direction_input' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a93828e'/>
+ <elf-symbol name='gpiod_direction_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3efd4fdd'/>
+ <elf-symbol name='gpiod_direction_output_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63baf885'/>
+ <elf-symbol name='gpiod_get_direction' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedc3122f'/>
+ <elf-symbol name='gpiod_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x396e8690'/>
+ <elf-symbol name='gpiod_get_raw_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a7402a8'/>
+ <elf-symbol name='gpiod_get_raw_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ee96f3'/>
+ <elf-symbol name='gpiod_get_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6606192c'/>
+ <elf-symbol name='gpiod_get_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x421f2ad'/>
+ <elf-symbol name='gpiod_is_active_low' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5606728'/>
+ <elf-symbol name='gpiod_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19e6a6a1'/>
+ <elf-symbol name='gpiod_set_array_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe92664b6'/>
+ <elf-symbol name='gpiod_set_consumer_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1aa88cb'/>
+ <elf-symbol name='gpiod_set_debounce' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7221e927'/>
+ <elf-symbol name='gpiod_set_raw_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbc84afe'/>
+ <elf-symbol name='gpiod_set_raw_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd98115d2'/>
+ <elf-symbol name='gpiod_set_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11b0ee03'/>
+ <elf-symbol name='gpiod_set_value_cansleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8677ec1'/>
+ <elf-symbol name='gpiod_to_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x796914a4'/>
+ <elf-symbol name='gpiod_to_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa471896'/>
+ <elf-symbol name='gro_cells_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f54ead7'/>
+ <elf-symbol name='gro_cells_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6bba9d6'/>
+ <elf-symbol name='gro_cells_receive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbaa53a7'/>
+ <elf-symbol name='gserial_alloc_line' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33bfdca2'/>
+ <elf-symbol name='gserial_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3cbf4f3'/>
+ <elf-symbol name='gserial_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15087bcb'/>
+ <elf-symbol name='guid_gen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c3f70e0'/>
+ <elf-symbol name='handle_bad_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee034014'/>
+ <elf-symbol name='handle_edge_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x474af077'/>
+ <elf-symbol name='handle_fasteoi_ack_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe917a603'/>
+ <elf-symbol name='handle_fasteoi_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5950598e'/>
+ <elf-symbol name='handle_level_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee0968d4'/>
+ <elf-symbol name='handle_nested_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x549525ef'/>
+ <elf-symbol name='handle_simple_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x965d5fce'/>
+ <elf-symbol name='handle_sysrq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7647726c'/>
+ <elf-symbol name='hashlen_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x162893fd'/>
+ <elf-symbol name='have_governor_per_policy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x47aad3b9'/>
+ <elf-symbol name='hci_alloc_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3337e12'/>
+ <elf-symbol name='hci_cmd_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97bcc765'/>
+ <elf-symbol name='hci_free_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x846b90ca'/>
+ <elf-symbol name='hci_recv_diag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94e3b54f'/>
+ <elf-symbol name='hci_recv_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e71db56'/>
+ <elf-symbol name='hci_register_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7018963b'/>
+ <elf-symbol name='hci_unregister_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26300e3d'/>
+ <elf-symbol name='hdmi_audio_infoframe_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb14ab1ef'/>
+ <elf-symbol name='hdmi_audio_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29e1e204'/>
+ <elf-symbol name='hdmi_avi_infoframe_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21be37e1'/>
+ <elf-symbol name='hdmi_avi_infoframe_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25e58a09'/>
+ <elf-symbol name='hdmi_avi_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x809712ff'/>
+ <elf-symbol name='hdmi_drm_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e286604'/>
+ <elf-symbol name='hdmi_drm_infoframe_pack_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0bd487b'/>
+ <elf-symbol name='hdmi_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x609b2853'/>
+ <elf-symbol name='hdmi_vendor_infoframe_pack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x526eef2c'/>
+ <elf-symbol name='hex2bin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2edbeaf7'/>
+ <elf-symbol name='hex_dump_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe916dc6'/>
+ <elf-symbol name='hex_to_bin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11f7ed4c'/>
+ <elf-symbol name='hid_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4770d7dd'/>
+ <elf-symbol name='hid_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77526c8a'/>
+ <elf-symbol name='hid_destroy_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67deb5af'/>
+ <elf-symbol name='hid_hw_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28a8a7db'/>
+ <elf-symbol name='hid_hw_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x943ae811'/>
+ <elf-symbol name='hid_hw_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f71a7a9'/>
+ <elf-symbol name='hid_hw_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdae460c7'/>
+ <elf-symbol name='hid_input_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5b38773'/>
+ <elf-symbol name='hid_open_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc0f3a8c'/>
+ <elf-symbol name='hid_parse_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ec262a0'/>
+ <elf-symbol name='hid_report_raw_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdd650a6'/>
+ <elf-symbol name='hid_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5954b3b9'/>
+ <elf-symbol name='hid_validate_values' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4aad7e86'/>
+ <elf-symbol name='hmm_range_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc611b02'/>
+ <elf-symbol name='housekeeping_cpumask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee49ad1d'/>
+ <elf-symbol name='hrtimer_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecd991f'/>
+ <elf-symbol name='hrtimer_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc69bd8c'/>
+ <elf-symbol name='hrtimer_forward' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76c41756'/>
+ <elf-symbol name='hrtimer_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ebd5214'/>
+ <elf-symbol name='hrtimer_init_sleeper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbf64fe6'/>
+ <elf-symbol name='hrtimer_sleeper_start_expires' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x530dbc0e'/>
+ <elf-symbol name='hrtimer_start_range_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x939fc2ef'/>
+ <elf-symbol name='hrtimer_try_to_cancel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef93df4b'/>
+ <elf-symbol name='hvc_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa7d3354'/>
+ <elf-symbol name='hvc_instantiate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77b4af04'/>
+ <elf-symbol name='hvc_kick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9833bc0c'/>
+ <elf-symbol name='hvc_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7bee9ebf'/>
+ <elf-symbol name='hvc_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcecc57b'/>
+ <elf-symbol name='hwrng_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x617b026c'/>
+ <elf-symbol name='hwrng_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd57fbd31'/>
+ <elf-symbol name='hwspin_lock_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac847ea8'/>
+ <elf-symbol name='hwspin_lock_request_specific' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfad9c346'/>
+ <elf-symbol name='i2c_add_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f7a2d31'/>
+ <elf-symbol name='i2c_add_numbered_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e805421'/>
+ <elf-symbol name='i2c_bit_add_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d024543'/>
+ <elf-symbol name='i2c_bit_add_numbered_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ce646c4'/>
+ <elf-symbol name='i2c_clients_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x155de0c7'/>
+ <elf-symbol name='i2c_del_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77f802e3'/>
+ <elf-symbol name='i2c_del_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f471ada'/>
+ <elf-symbol name='i2c_for_each_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32580653'/>
+ <elf-symbol name='i2c_generic_scl_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7973cc7'/>
+ <elf-symbol name='i2c_get_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80c7ed81'/>
+ <elf-symbol name='i2c_get_device_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21deccf8'/>
+ <elf-symbol name='i2c_get_dma_safe_msg_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42041512'/>
+ <elf-symbol name='i2c_match_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c6d34bf'/>
+ <elf-symbol name='i2c_new_ancillary_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b423c56'/>
+ <elf-symbol name='i2c_new_client_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0b44bf4'/>
+ <elf-symbol name='i2c_new_dummy_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef95a78b'/>
+ <elf-symbol name='i2c_new_scanned_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf65f899c'/>
+ <elf-symbol name='i2c_parse_fw_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24c9bef'/>
+ <elf-symbol name='i2c_put_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49bdf906'/>
+ <elf-symbol name='i2c_put_dma_safe_msg_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dae16e4'/>
+ <elf-symbol name='i2c_recover_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe15fcfc8'/>
+ <elf-symbol name='i2c_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f72f07e'/>
+ <elf-symbol name='i2c_smbus_read_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x328bd008'/>
+ <elf-symbol name='i2c_smbus_read_byte_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae87eb36'/>
+ <elf-symbol name='i2c_smbus_read_i2c_block_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b8aa93e'/>
+ <elf-symbol name='i2c_smbus_read_word_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b912c5c'/>
+ <elf-symbol name='i2c_smbus_write_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x809aa71'/>
+ <elf-symbol name='i2c_smbus_write_byte_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x610b7c49'/>
+ <elf-symbol name='i2c_smbus_write_i2c_block_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32b7680d'/>
+ <elf-symbol name='i2c_smbus_write_word_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20aa1e26'/>
+ <elf-symbol name='i2c_smbus_xfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2dfd5f7'/>
+ <elf-symbol name='i2c_transfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf184be6'/>
+ <elf-symbol name='i2c_transfer_buffer_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb86fd3a1'/>
+ <elf-symbol name='i2c_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x631a9eb2'/>
+ <elf-symbol name='i2c_verify_adapter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa935a491'/>
+ <elf-symbol name='i2c_verify_client' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x642751ed'/>
+ <elf-symbol name='i3c_device_disable_ibi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3db08043'/>
+ <elf-symbol name='i3c_device_do_priv_xfers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31bd8b49'/>
+ <elf-symbol name='i3c_device_enable_ibi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bd94ec1'/>
+ <elf-symbol name='i3c_device_free_ibi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f921b1f'/>
+ <elf-symbol name='i3c_device_get_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5f9a031'/>
+ <elf-symbol name='i3c_device_match_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd3620e1'/>
+ <elf-symbol name='i3c_device_request_ibi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43c65ba'/>
+ <elf-symbol name='i3c_driver_register_with_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeef478af'/>
+ <elf-symbol name='i3c_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a3dca7f'/>
+ <elf-symbol name='i3c_generic_ibi_alloc_pool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9256784e'/>
+ <elf-symbol name='i3c_generic_ibi_free_pool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76fe3e05'/>
+ <elf-symbol name='i3c_generic_ibi_get_free_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb133f9ea'/>
+ <elf-symbol name='i3c_generic_ibi_recycle_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a7ee19f'/>
+ <elf-symbol name='i3c_master_add_i3c_dev_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19e78db7'/>
+ <elf-symbol name='i3c_master_defslvs_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37d1f1b2'/>
+ <elf-symbol name='i3c_master_disec_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29131c93'/>
+ <elf-symbol name='i3c_master_do_daa' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf936af1'/>
+ <elf-symbol name='i3c_master_enec_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c443f42'/>
+ <elf-symbol name='i3c_master_entdaa_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7263d68'/>
+ <elf-symbol name='i3c_master_get_free_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63513af3'/>
+ <elf-symbol name='i3c_master_queue_ibi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f6f6b80'/>
+ <elf-symbol name='i3c_master_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x785009dd'/>
+ <elf-symbol name='i3c_master_set_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cd7229f'/>
+ <elf-symbol name='i3c_master_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x682c06ff'/>
+ <elf-symbol name='i3cdev_to_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x526b0572'/>
+ <elf-symbol name='icc_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60defb88'/>
+ <elf-symbol name='icc_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7b72aad'/>
+ <elf-symbol name='icc_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f3ed226'/>
+ <elf-symbol name='icc_link_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe52348cf'/>
+ <elf-symbol name='icc_node_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d2921b'/>
+ <elf-symbol name='icc_node_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x615b7a5c'/>
+ <elf-symbol name='icc_node_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9da87229'/>
+ <elf-symbol name='icc_node_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc58a3ee6'/>
+ <elf-symbol name='icc_nodes_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e347231'/>
+ <elf-symbol name='icc_provider_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8dab94a6'/>
+ <elf-symbol name='icc_provider_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c41c63b'/>
+ <elf-symbol name='icc_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x276152a6'/>
+ <elf-symbol name='icc_set_bw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cdad6c5'/>
+ <elf-symbol name='icc_set_tag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2098fc77'/>
+ <elf-symbol name='icc_std_aggregate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70e66e25'/>
+ <elf-symbol name='icc_sync_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x194ac533'/>
+ <elf-symbol name='ida_alloc_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7a02573'/>
+ <elf-symbol name='ida_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7d5f92e'/>
+ <elf-symbol name='ida_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffb7c514'/>
+ <elf-symbol name='idr_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8f11603'/>
+ <elf-symbol name='idr_alloc_cyclic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91f44510'/>
+ <elf-symbol name='idr_alloc_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12ab31f1'/>
+ <elf-symbol name='idr_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e17b3ae'/>
+ <elf-symbol name='idr_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20978fb9'/>
+ <elf-symbol name='idr_for_each' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d40b6f3'/>
+ <elf-symbol name='idr_get_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc57c48a3'/>
+ <elf-symbol name='idr_preload' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x954f099c'/>
+ <elf-symbol name='idr_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7665a95b'/>
+ <elf-symbol name='idr_replace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b82b9a1'/>
+ <elf-symbol name='ieee802154_alloc_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fef59e0'/>
+ <elf-symbol name='ieee802154_free_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc9f60e4'/>
+ <elf-symbol name='ieee802154_register_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x780ae57c'/>
+ <elf-symbol name='ieee802154_rx_irqsafe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8e11e21'/>
+ <elf-symbol name='ieee802154_unregister_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa16b80a4'/>
+ <elf-symbol name='ieee802154_wake_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60720f63'/>
+ <elf-symbol name='ieee802154_xmit_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4070682b'/>
+ <elf-symbol name='iio_alloc_pollfunc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a6afe15'/>
+ <elf-symbol name='iio_buffer_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2134bb3a'/>
+ <elf-symbol name='iio_buffer_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72a50826'/>
+ <elf-symbol name='iio_channel_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35b59c88'/>
+ <elf-symbol name='iio_channel_get_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6898a3a'/>
+ <elf-symbol name='iio_channel_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7c406eb'/>
+ <elf-symbol name='iio_channel_release_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea7eb67c'/>
+ <elf-symbol name='iio_convert_raw_to_processed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabec8d67'/>
+ <elf-symbol name='iio_dealloc_pollfunc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c27d423'/>
+ <elf-symbol name='iio_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x739b1eb3'/>
+ <elf-symbol name='iio_device_attach_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x427eae61'/>
+ <elf-symbol name='iio_device_claim_direct_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29261fc'/>
+ <elf-symbol name='iio_device_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x671358a6'/>
+ <elf-symbol name='iio_device_release_direct_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb7ce92e'/>
+ <elf-symbol name='iio_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaec1e446'/>
+ <elf-symbol name='iio_get_channel_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f529dc8'/>
+ <elf-symbol name='iio_get_time_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb47c899'/>
+ <elf-symbol name='iio_push_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb24f388f'/>
+ <elf-symbol name='iio_push_to_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f3d694b'/>
+ <elf-symbol name='iio_read_channel_attribute' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec9926ee'/>
+ <elf-symbol name='iio_read_channel_processed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e863092'/>
+ <elf-symbol name='iio_read_channel_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fdcbbc0'/>
+ <elf-symbol name='iio_read_mount_matrix' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4657b098'/>
+ <elf-symbol name='iio_show_mount_matrix' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fd71ac4'/>
+ <elf-symbol name='iio_trigger_notify_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32c17b35'/>
+ <elf-symbol name='iio_update_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6304f8c5'/>
+ <elf-symbol name='import_iovec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29ae814e'/>
+ <elf-symbol name='in4_pton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac5fcec0'/>
+ <elf-symbol name='in6_dev_finish_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76a2324c'/>
+ <elf-symbol name='in6_pton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x609bcd98'/>
+ <elf-symbol name='in_aton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b6314fd'/>
+ <elf-symbol name='in_egroup_p' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39461d6a'/>
+ <elf-symbol name='inc_node_page_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcafc89e'/>
+ <elf-symbol name='inc_zone_page_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x620ed178'/>
+ <elf-symbol name='inet_csk_get_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31082ef5'/>
+ <elf-symbol name='inet_proto_csum_replace4' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70313fd7'/>
+ <elf-symbol name='init_dummy_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x886681bc'/>
+ <elf-symbol name='init_iova_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2246c08'/>
+ <elf-symbol name='init_pseudo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0730485'/>
+ <elf-symbol name='init_srcu_struct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x910e6db5'/>
+ <elf-symbol name='init_timer_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79cf5987'/>
+ <elf-symbol name='init_wait_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe487975'/>
+ <elf-symbol name='inode_owner_or_capable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x789544a'/>
+ <elf-symbol name='inode_permission' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x557a6f17'/>
+ <elf-symbol name='input_alloc_absinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51488668'/>
+ <elf-symbol name='input_allocate_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3db3c44'/>
+ <elf-symbol name='input_close_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1edc8012'/>
+ <elf-symbol name='input_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b938c8d'/>
+ <elf-symbol name='input_ff_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafd0f173'/>
+ <elf-symbol name='input_ff_create_memless' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x231c132e'/>
+ <elf-symbol name='input_ff_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28b46b32'/>
+ <elf-symbol name='input_free_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd329e1c6'/>
+ <elf-symbol name='input_mt_assign_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a3d248c'/>
+ <elf-symbol name='input_mt_destroy_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd512290c'/>
+ <elf-symbol name='input_mt_drop_unused' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8e46f19'/>
+ <elf-symbol name='input_mt_init_slots' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8bdf6c84'/>
+ <elf-symbol name='input_mt_report_finger_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29a13f00'/>
+ <elf-symbol name='input_mt_report_pointer_emulation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2c69385'/>
+ <elf-symbol name='input_mt_report_slot_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fcaa46c'/>
+ <elf-symbol name='input_mt_sync_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2ef0fff'/>
+ <elf-symbol name='input_open_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e513500'/>
+ <elf-symbol name='input_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff775d7a'/>
+ <elf-symbol name='input_register_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc984ee62'/>
+ <elf-symbol name='input_register_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac72b90e'/>
+ <elf-symbol name='input_set_abs_params' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x837ac1f4'/>
+ <elf-symbol name='input_set_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bfaa8d0'/>
+ <elf-symbol name='input_set_poll_interval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd65e77bb'/>
+ <elf-symbol name='input_set_timestamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e3bed04'/>
+ <elf-symbol name='input_setup_polling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x921c33d7'/>
+ <elf-symbol name='input_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf5b2f63'/>
+ <elf-symbol name='input_unregister_handle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5a2012a'/>
+ <elf-symbol name='input_unregister_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa467bfcc'/>
+ <elf-symbol name='int_pow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1af267f8'/>
+ <elf-symbol name='int_sqrt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb678366f'/>
+ <elf-symbol name='interval_tree_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdab5a1eb'/>
+ <elf-symbol name='interval_tree_iter_first' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa44a1307'/>
+ <elf-symbol name='interval_tree_iter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd96babb4'/>
+ <elf-symbol name='interval_tree_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b53e14'/>
+ <elf-symbol name='invalidate_bdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa457fea'/>
+ <elf-symbol name='invalidate_mapping_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2abc5f13'/>
+ <elf-symbol name='io_schedule_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbc4f89e'/>
+ <elf-symbol name='iommu_alloc_resv_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf40724'/>
+ <elf-symbol name='iommu_attach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b7e559e'/>
+ <elf-symbol name='iommu_attach_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb2cdfed'/>
+ <elf-symbol name='iommu_aux_attach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e3382c'/>
+ <elf-symbol name='iommu_aux_detach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53aa4a1a'/>
+ <elf-symbol name='iommu_aux_get_pasid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2e4f990'/>
+ <elf-symbol name='iommu_detach_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e9c6201'/>
+ <elf-symbol name='iommu_detach_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75d5f97b'/>
+ <elf-symbol name='iommu_dev_enable_feature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b1f746a'/>
+ <elf-symbol name='iommu_dev_feature_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8c4e422'/>
+ <elf-symbol name='iommu_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc8b1822'/>
+ <elf-symbol name='iommu_device_sysfs_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0e147e0'/>
+ <elf-symbol name='iommu_device_sysfs_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x664bcf31'/>
+ <elf-symbol name='iommu_device_unlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8971746e'/>
+ <elf-symbol name='iommu_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x793e0685'/>
+ <elf-symbol name='iommu_dma_enable_best_fit_algo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24a54500'/>
+ <elf-symbol name='iommu_dma_get_resv_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1cd661d'/>
+ <elf-symbol name='iommu_dma_reserve_iova' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87d4bf5a'/>
+ <elf-symbol name='iommu_domain_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3231f8f9'/>
+ <elf-symbol name='iommu_domain_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd045dae'/>
+ <elf-symbol name='iommu_domain_get_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3876566'/>
+ <elf-symbol name='iommu_domain_set_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0f64f43'/>
+ <elf-symbol name='iommu_fwspec_add_ids' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98bb9c36'/>
+ <elf-symbol name='iommu_fwspec_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d615d17'/>
+ <elf-symbol name='iommu_get_dma_cookie' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf55e2664'/>
+ <elf-symbol name='iommu_get_domain_for_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf078061e'/>
+ <elf-symbol name='iommu_get_msi_cookie' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2c2e703'/>
+ <elf-symbol name='iommu_group_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d22bb58'/>
+ <elf-symbol name='iommu_group_for_each_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdd6770e'/>
+ <elf-symbol name='iommu_group_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce5d44ea'/>
+ <elf-symbol name='iommu_group_get_iommudata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd55ad93b'/>
+ <elf-symbol name='iommu_group_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89485687'/>
+ <elf-symbol name='iommu_group_ref_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d6d0bbc'/>
+ <elf-symbol name='iommu_group_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d25a11d'/>
+ <elf-symbol name='iommu_group_set_iommudata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc66b77b1'/>
+ <elf-symbol name='iommu_group_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcdd5b99'/>
+ <elf-symbol name='iommu_iova_to_phys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ed2f8f1'/>
+ <elf-symbol name='iommu_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb05c9257'/>
+ <elf-symbol name='iommu_map_sg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8769d8b'/>
+ <elf-symbol name='iommu_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34fa718f'/>
+ <elf-symbol name='iommu_put_dma_cookie' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xddf3ef3c'/>
+ <elf-symbol name='iommu_register_device_fault_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3e79ed8'/>
+ <elf-symbol name='iommu_report_device_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x480c3073'/>
+ <elf-symbol name='iommu_set_fault_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6032dd43'/>
+ <elf-symbol name='iommu_unmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27747427'/>
+ <elf-symbol name='iommu_unregister_device_fault_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf847428f'/>
+ <elf-symbol name='ioremap_cache' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7698027'/>
+ <elf-symbol name='iounmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedc03953'/>
+ <elf-symbol name='iov_iter_bvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3be97d66'/>
+ <elf-symbol name='iov_iter_kvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90b83c6f'/>
+ <elf-symbol name='ip6_local_out' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69f82b7b'/>
+ <elf-symbol name='ip6_route_me_harder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3582321b'/>
+ <elf-symbol name='ip_compute_csum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20eadeb6'/>
+ <elf-symbol name='ip_local_out' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd515a79'/>
+ <elf-symbol name='ip_route_me_harder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ef510bf'/>
+ <elf-symbol name='ip_route_output_flow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee46abeb'/>
+ <elf-symbol name='ip_send_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2124474'/>
+ <elf-symbol name='ipi_desc_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc67ff16'/>
+ <elf-symbol name='iput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3e64fe1'/>
+ <elf-symbol name='ipv6_ext_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x452ba683'/>
+ <elf-symbol name='ipv6_find_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac68c79f'/>
+ <elf-symbol name='ipv6_skip_exthdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a95273e'/>
+ <elf-symbol name='ir_raw_event_store_edge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5f44176'/>
+ <elf-symbol name='irq_chip_ack_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13e8189f'/>
+ <elf-symbol name='irq_chip_disable_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b670641'/>
+ <elf-symbol name='irq_chip_enable_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d101352'/>
+ <elf-symbol name='irq_chip_eoi_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81d977c3'/>
+ <elf-symbol name='irq_chip_get_parent_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x843326a5'/>
+ <elf-symbol name='irq_chip_mask_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeec940e0'/>
+ <elf-symbol name='irq_chip_retrigger_hierarchy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb063c9fa'/>
+ <elf-symbol name='irq_chip_set_affinity_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfab540d5'/>
+ <elf-symbol name='irq_chip_set_parent_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d330455'/>
+ <elf-symbol name='irq_chip_set_type_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x563a442e'/>
+ <elf-symbol name='irq_chip_set_vcpu_affinity_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x770ea7ef'/>
+ <elf-symbol name='irq_chip_set_wake_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f3e2587'/>
+ <elf-symbol name='irq_chip_unmask_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11a3baf1'/>
+ <elf-symbol name='irq_create_fwspec_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba3b84c8'/>
+ <elf-symbol name='irq_create_mapping_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7983b27'/>
+ <elf-symbol name='irq_create_of_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8968adc'/>
+ <elf-symbol name='irq_dispose_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c7db649'/>
+ <elf-symbol name='irq_do_set_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa15668d1'/>
+ <elf-symbol name='irq_domain_add_legacy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2b6e9fa'/>
+ <elf-symbol name='irq_domain_alloc_irqs_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd60273b9'/>
+ <elf-symbol name='irq_domain_create_hierarchy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36c19913'/>
+ <elf-symbol name='irq_domain_disconnect_hierarchy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81982ed9'/>
+ <elf-symbol name='irq_domain_free_irqs_common' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfff211b'/>
+ <elf-symbol name='irq_domain_free_irqs_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69126572'/>
+ <elf-symbol name='irq_domain_get_irq_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeacc482'/>
+ <elf-symbol name='irq_domain_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53833461'/>
+ <elf-symbol name='irq_domain_set_hwirq_and_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b31f2ce'/>
+ <elf-symbol name='irq_domain_set_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8181df3'/>
+ <elf-symbol name='irq_domain_update_bus_token' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a876fc2'/>
+ <elf-symbol name='irq_domain_xlate_onecell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x901f1d93'/>
+ <elf-symbol name='irq_domain_xlate_onetwocell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed997340'/>
+ <elf-symbol name='irq_domain_xlate_twocell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7783f5b'/>
+ <elf-symbol name='irq_find_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30897ed2'/>
+ <elf-symbol name='irq_find_matching_fwspec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe961b1f7'/>
+ <elf-symbol name='irq_gc_ack_set_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8ee2fca'/>
+ <elf-symbol name='irq_gc_mask_clr_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7b775be'/>
+ <elf-symbol name='irq_gc_mask_set_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3c1a7a7'/>
+ <elf-symbol name='irq_gc_set_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23972238'/>
+ <elf-symbol name='irq_get_domain_generic_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe423bd07'/>
+ <elf-symbol name='irq_get_irq_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd67517d1'/>
+ <elf-symbol name='irq_get_irqchip_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d222ced'/>
+ <elf-symbol name='irq_modify_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7522f3ba'/>
+ <elf-symbol name='irq_of_parse_and_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc23d1e5'/>
+ <elf-symbol name='irq_set_affinity_hint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a7b4b03'/>
+ <elf-symbol name='irq_set_affinity_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7082834f'/>
+ <elf-symbol name='irq_set_chained_handler_and_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89122253'/>
+ <elf-symbol name='irq_set_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72a8f399'/>
+ <elf-symbol name='irq_set_chip_and_handler_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf5d553'/>
+ <elf-symbol name='irq_set_chip_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20a789ac'/>
+ <elf-symbol name='irq_set_handler_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3dcb88a0'/>
+ <elf-symbol name='irq_set_irq_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc477a2'/>
+ <elf-symbol name='irq_set_irq_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce2840e7'/>
+ <elf-symbol name='irq_set_irqchip_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb88dbfce'/>
+ <elf-symbol name='irq_set_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc6596fa'/>
+ <elf-symbol name='irq_to_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45355328'/>
+ <elf-symbol name='irq_work_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd36ebd12'/>
+ <elf-symbol name='irq_work_queue_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf64a80c9'/>
+ <elf-symbol name='irq_work_run' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x541bd60a'/>
+ <elf-symbol name='irq_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf361a95b'/>
+ <elf-symbol name='is_console_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x944a564d'/>
+ <elf-symbol name='is_dma_buf_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabcf70c3'/>
+ <elf-symbol name='is_vmalloc_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc31db0ce'/>
+ <elf-symbol name='isolate_and_split_free_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20b4b49b'/>
+ <elf-symbol name='isolate_anon_lru_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b395e30'/>
+ <elf-symbol name='iterate_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7371390e'/>
+ <elf-symbol name='iw_handler_get_spy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x762c33d7'/>
+ <elf-symbol name='iw_handler_get_thrspy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbaccc24'/>
+ <elf-symbol name='iw_handler_set_spy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78eaa861'/>
+ <elf-symbol name='iw_handler_set_thrspy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2acd7adc'/>
+ <elf-symbol name='iwe_stream_add_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4cba441d'/>
+ <elf-symbol name='iwe_stream_add_point' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8249512'/>
+ <elf-symbol name='iwe_stream_add_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc41bc980'/>
+ <elf-symbol name='jiffies64_to_msecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92ec510d'/>
+ <elf-symbol name='jiffies_64_to_clock_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1ddf995'/>
+ <elf-symbol name='jiffies_to_msecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37befc70'/>
+ <elf-symbol name='jiffies_to_usecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f24de73'/>
+ <elf-symbol name='kasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb384d37'/>
+ <elf-symbol name='kern_mount' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc679d809'/>
+ <elf-symbol name='kern_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2503b8b4'/>
+ <elf-symbol name='kern_unmount' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ec05ca1'/>
+ <elf-symbol name='kernel_bind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31c2b3ea'/>
+ <elf-symbol name='kernel_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17feba05'/>
+ <elf-symbol name='kernel_getsockname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3710a485'/>
+ <elf-symbol name='kernel_neon_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fd180e7'/>
+ <elf-symbol name='kernel_neon_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8a8110c'/>
+ <elf-symbol name='kernel_param_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43b3dc0d'/>
+ <elf-symbol name='kernel_param_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7df70e51'/>
+ <elf-symbol name='kernel_power_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf184d189'/>
+ <elf-symbol name='kernel_recvmsg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fffca22'/>
+ <elf-symbol name='kernel_restart' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e7bbcb3'/>
+ <elf-symbol name='kernel_sendmsg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61b7752a'/>
+ <elf-symbol name='kernel_sigaction' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6df1aaf1'/>
+ <elf-symbol name='kernel_sock_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdcd528e'/>
+ <elf-symbol name='kernfs_find_and_get_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9fd43f3'/>
+ <elf-symbol name='kernfs_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb205d117'/>
+ <elf-symbol name='kernfs_path_from_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd152ded2'/>
+ <elf-symbol name='kernfs_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc26db68c'/>
+ <elf-symbol name='key_create_or_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe1d2e94'/>
+ <elf-symbol name='key_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa855c37d'/>
+ <elf-symbol name='keyring_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a6752f7'/>
+ <elf-symbol name='kfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37a0cba'/>
+ <elf-symbol name='kfree_const' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf474fdcb'/>
+ <elf-symbol name='kfree_sensitive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0760fc0'/>
+ <elf-symbol name='kfree_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f594009'/>
+ <elf-symbol name='kfree_skb_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fd428fe'/>
+ <elf-symbol name='kick_all_cpus_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6e1a69d'/>
+ <elf-symbol name='kill_anon_super' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab16b734'/>
+ <elf-symbol name='kill_fasync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfca9d5'/>
+ <elf-symbol name='kill_litter_super' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66ee9f57'/>
+ <elf-symbol name='kill_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a4f441d'/>
+ <elf-symbol name='kiocb_set_cancel_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98a3170d'/>
+ <elf-symbol name='kmalloc_order' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbe80fdb'/>
+ <elf-symbol name='kmalloc_order_trace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8b9f817'/>
+ <elf-symbol name='kmem_cache_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ba1ee76'/>
+ <elf-symbol name='kmem_cache_alloc_trace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb38391e9'/>
+ <elf-symbol name='kmem_cache_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x612f3d20'/>
+ <elf-symbol name='kmem_cache_create_usercopy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c60ff'/>
+ <elf-symbol name='kmem_cache_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae4b2889'/>
+ <elf-symbol name='kmem_cache_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd419eeb6'/>
+ <elf-symbol name='kmemdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66b4cc41'/>
+ <elf-symbol name='kmemdup_nul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3f548ad'/>
+ <elf-symbol name='kmsg_dump_get_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb0bbf9'/>
+ <elf-symbol name='kmsg_dump_get_line' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71316503'/>
+ <elf-symbol name='kmsg_dump_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10c2e75a'/>
+ <elf-symbol name='kmsg_dump_rewind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x616b30c7'/>
+ <elf-symbol name='kmsg_dump_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdea9919b'/>
+ <elf-symbol name='kobject_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5f7b498'/>
+ <elf-symbol name='kobject_create_and_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x177f5d51'/>
+ <elf-symbol name='kobject_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf524bddc'/>
+ <elf-symbol name='kobject_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b34c307'/>
+ <elf-symbol name='kobject_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6b0c7cb'/>
+ <elf-symbol name='kobject_init_and_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef1d7977'/>
+ <elf-symbol name='kobject_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91b9ec8d'/>
+ <elf-symbol name='kobject_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35bc9e8c'/>
+ <elf-symbol name='kobject_uevent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8948c619'/>
+ <elf-symbol name='kobject_uevent_env' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x229a20fd'/>
+ <elf-symbol name='krealloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1e12d81'/>
+ <elf-symbol name='kset_create_and_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd4eadcf'/>
+ <elf-symbol name='kset_find_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c0f4d66'/>
+ <elf-symbol name='kset_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7479cb96'/>
+ <elf-symbol name='ksize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ea5d10'/>
+ <elf-symbol name='kstat_irqs_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6bffb99'/>
+ <elf-symbol name='kstat_irqs_usr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9bb05a3a'/>
+ <elf-symbol name='kstrdup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d39b0a7'/>
+ <elf-symbol name='kstrdup_const' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x365e7911'/>
+ <elf-symbol name='kstrdup_quotable_cmdline' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1652925f'/>
+ <elf-symbol name='kstrndup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eacf8a5'/>
+ <elf-symbol name='kstrtobool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0875eb1'/>
+ <elf-symbol name='kstrtobool_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda9fc7ae'/>
+ <elf-symbol name='kstrtoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2276db98'/>
+ <elf-symbol name='kstrtoint_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23c9891c'/>
+ <elf-symbol name='kstrtol_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x461ac773'/>
+ <elf-symbol name='kstrtoll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x779a18af'/>
+ <elf-symbol name='kstrtos16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69493b1a'/>
+ <elf-symbol name='kstrtos8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcbdf60f'/>
+ <elf-symbol name='kstrtos8_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb417f082'/>
+ <elf-symbol name='kstrtou16' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b0192da'/>
+ <elf-symbol name='kstrtou16_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe13d5d07'/>
+ <elf-symbol name='kstrtou8' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46045dd7'/>
+ <elf-symbol name='kstrtou8_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1179daa'/>
+ <elf-symbol name='kstrtouint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69ad2f20'/>
+ <elf-symbol name='kstrtouint_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcb926cd'/>
+ <elf-symbol name='kstrtoul_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a6af65c'/>
+ <elf-symbol name='kstrtoull' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c80c06c'/>
+ <elf-symbol name='kstrtoull_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54245b39'/>
+ <elf-symbol name='ksys_sync_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55c76a23'/>
+ <elf-symbol name='kthread_bind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18af30df'/>
+ <elf-symbol name='kthread_bind_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4408b30'/>
+ <elf-symbol name='kthread_blkcg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac14d997'/>
+ <elf-symbol name='kthread_cancel_delayed_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6c560c8'/>
+ <elf-symbol name='kthread_cancel_work_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2190f89'/>
+ <elf-symbol name='kthread_create_on_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9aa98a4'/>
+ <elf-symbol name='kthread_create_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3e465cd'/>
+ <elf-symbol name='kthread_delayed_work_timer_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1b48cc6'/>
+ <elf-symbol name='kthread_destroy_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa37f00'/>
+ <elf-symbol name='kthread_flush_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf98fd8ef'/>
+ <elf-symbol name='kthread_flush_worker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae6080fa'/>
+ <elf-symbol name='kthread_freezable_should_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca7d8764'/>
+ <elf-symbol name='kthread_mod_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d7ae2d5'/>
+ <elf-symbol name='kthread_park' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c009f61'/>
+ <elf-symbol name='kthread_parkme' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf95322f4'/>
+ <elf-symbol name='kthread_queue_delayed_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8242a45a'/>
+ <elf-symbol name='kthread_queue_work' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc643be43'/>
+ <elf-symbol name='kthread_should_park' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79defbe1'/>
+ <elf-symbol name='kthread_should_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3f7646e'/>
+ <elf-symbol name='kthread_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b7ddd11'/>
+ <elf-symbol name='kthread_unpark' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x397bae86'/>
+ <elf-symbol name='kthread_unuse_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6678842'/>
+ <elf-symbol name='kthread_use_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cb5f906'/>
+ <elf-symbol name='kthread_worker_fn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x955b0e2e'/>
+ <elf-symbol name='ktime_add_safe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3952887'/>
+ <elf-symbol name='ktime_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb43f9365'/>
+ <elf-symbol name='ktime_get_coarse_real_ts64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x484f6edf'/>
+ <elf-symbol name='ktime_get_coarse_with_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcc15e75'/>
+ <elf-symbol name='ktime_get_mono_fast_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ebe366f'/>
+ <elf-symbol name='ktime_get_raw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9714e0bb'/>
+ <elf-symbol name='ktime_get_raw_ts64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1edb69d6'/>
+ <elf-symbol name='ktime_get_real_seconds' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x953e1b9e'/>
+ <elf-symbol name='ktime_get_real_ts64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ec6ca96'/>
+ <elf-symbol name='ktime_get_seconds' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9320d27'/>
+ <elf-symbol name='ktime_get_snapshot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdafcdc3a'/>
+ <elf-symbol name='ktime_get_ts64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e515be6'/>
+ <elf-symbol name='ktime_get_with_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4f0da12'/>
+ <elf-symbol name='kvasprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x587b0954'/>
+ <elf-symbol name='kvfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7aa1756e'/>
+ <elf-symbol name='kvfree_call_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbaf22757'/>
+ <elf-symbol name='kvmalloc_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x599fb41c'/>
+ <elf-symbol name='led_classdev_flash_register_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bb07d2'/>
+ <elf-symbol name='led_classdev_flash_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb656839b'/>
+ <elf-symbol name='led_classdev_register_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6296d3'/>
+ <elf-symbol name='led_classdev_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb7db351'/>
+ <elf-symbol name='led_get_flash_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8192026c'/>
+ <elf-symbol name='led_set_brightness_nosleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca66a3d3'/>
+ <elf-symbol name='led_set_brightness_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc41fa040'/>
+ <elf-symbol name='led_set_flash_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1865ddc8'/>
+ <elf-symbol name='led_set_flash_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95150c35'/>
+ <elf-symbol name='led_sysfs_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cb6603c'/>
+ <elf-symbol name='led_sysfs_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2df5b619'/>
+ <elf-symbol name='led_trigger_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6006e194'/>
+ <elf-symbol name='led_trigger_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x984456c2'/>
+ <elf-symbol name='led_trigger_register_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa259f598'/>
+ <elf-symbol name='led_trigger_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61d69c7e'/>
+ <elf-symbol name='led_trigger_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ed32895'/>
+ <elf-symbol name='led_trigger_unregister_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb45ef8ba'/>
+ <elf-symbol name='led_update_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd97a221a'/>
+ <elf-symbol name='led_update_flash_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c5af1ce'/>
+ <elf-symbol name='list_sort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcba4abe3'/>
+ <elf-symbol name='llist_add_batch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7a1840e'/>
+ <elf-symbol name='llist_reverse_order' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xddb1cd7'/>
+ <elf-symbol name='lock_sock_nested' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b977b75'/>
+ <elf-symbol name='lockref_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9b85ef6'/>
+ <elf-symbol name='log_abnormal_wakeup_reason' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d20fc95'/>
+ <elf-symbol name='log_buf_addr_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81b939ec'/>
+ <elf-symbol name='log_buf_len_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc98fa91b'/>
+ <elf-symbol name='log_threaded_irq_wakeup_reason' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34e5628d'/>
+ <elf-symbol name='logfc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67fdd2b2'/>
+ <elf-symbol name='lookup_bdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba7159'/>
+ <elf-symbol name='lookup_page_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa75f66f1'/>
+ <elf-symbol name='lru_cache_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x308165ec'/>
+ <elf-symbol name='lru_cache_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x702663ed'/>
+ <elf-symbol name='lzo1x_1_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x787c882b'/>
+ <elf-symbol name='lzo1x_decompress_safe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4df8fbc'/>
+ <elf-symbol name='lzorle1x_1_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79f697e4'/>
+ <elf-symbol name='mac_pton' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x652032cb'/>
+ <elf-symbol name='map_kernel_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1aab1c07'/>
+ <elf-symbol name='match_hex' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad0413d4'/>
+ <elf-symbol name='match_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e3567f7'/>
+ <elf-symbol name='match_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81188c30'/>
+ <elf-symbol name='match_token' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44e9a829'/>
+ <elf-symbol name='mbox_chan_received_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c5b346e'/>
+ <elf-symbol name='mbox_chan_txdone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40a79c74'/>
+ <elf-symbol name='mbox_client_txdone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa90e12d3'/>
+ <elf-symbol name='mbox_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e14d2c'/>
+ <elf-symbol name='mbox_controller_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91ba3f34'/>
+ <elf-symbol name='mbox_free_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4abd0c35'/>
+ <elf-symbol name='mbox_request_channel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7cdbd5a'/>
+ <elf-symbol name='mbox_request_channel_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc08e23d3'/>
+ <elf-symbol name='mbox_send_message' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe941859b'/>
+ <elf-symbol name='mctrl_gpio_disable_ms' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f449588'/>
+ <elf-symbol name='mctrl_gpio_enable_ms' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebd4cc11'/>
+ <elf-symbol name='mctrl_gpio_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48a3d20b'/>
+ <elf-symbol name='mctrl_gpio_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb657418'/>
+ <elf-symbol name='mctrl_gpio_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfcb6c90'/>
+ <elf-symbol name='mdio_device_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f6a44ef'/>
+ <elf-symbol name='mdiobus_alloc_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe53bf6f7'/>
+ <elf-symbol name='mdiobus_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b7da5e7'/>
+ <elf-symbol name='mdiobus_get_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e8eb90'/>
+ <elf-symbol name='mdiobus_is_registered_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa87e4cd1'/>
+ <elf-symbol name='mdiobus_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36faf03a'/>
+ <elf-symbol name='mdiobus_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ee5d23a'/>
+ <elf-symbol name='mdiobus_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e0a0419'/>
+ <elf-symbol name='media_create_intf_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfcc2f07'/>
+ <elf-symbol name='media_create_pad_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2fd4f5be'/>
+ <elf-symbol name='media_device_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa98f49c8'/>
+ <elf-symbol name='media_device_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35fd62b8'/>
+ <elf-symbol name='media_device_register_entity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x365a6997'/>
+ <elf-symbol name='media_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f4b25cb'/>
+ <elf-symbol name='media_devnode_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4354f41'/>
+ <elf-symbol name='media_devnode_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x809e584b'/>
+ <elf-symbol name='media_entity_pads_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x744b735'/>
+ <elf-symbol name='media_entity_remote_pad' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6f06077'/>
+ <elf-symbol name='media_entity_remove_links' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc05c23c9'/>
+ <elf-symbol name='media_entity_setup_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38a478f'/>
+ <elf-symbol name='media_graph_walk_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbaa670a1'/>
+ <elf-symbol name='media_graph_walk_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17ac12d2'/>
+ <elf-symbol name='media_graph_walk_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c3cb6d9'/>
+ <elf-symbol name='media_graph_walk_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86629dc5'/>
+ <elf-symbol name='media_pipeline_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf11687d'/>
+ <elf-symbol name='media_pipeline_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9543a06'/>
+ <elf-symbol name='media_request_get_by_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x715e1e31'/>
+ <elf-symbol name='media_request_object_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8c9eb59'/>
+ <elf-symbol name='media_request_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95df91f1'/>
+ <elf-symbol name='mem_cgroup_from_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2450c381'/>
+ <elf-symbol name='memblock_end_of_DRAM' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c894766'/>
+ <elf-symbol name='memblock_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f0ec720'/>
+ <elf-symbol name='memchr' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xa07a37f0'/>
+ <elf-symbol name='memchr_inv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8df92f66'/>
+ <elf-symbol name='memcmp' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x449ad0a7'/>
+ <elf-symbol name='memcpy' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x4829a47e'/>
+ <elf-symbol name='memdup_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9291cd3b'/>
+ <elf-symbol name='memdup_user_nul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d07e365'/>
+ <elf-symbol name='memmove' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x5a9f1d63'/>
+ <elf-symbol name='memory_block_size_bytes' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xfcc1edd3'/>
+ <elf-symbol name='memory_read_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65e0d6d7'/>
+ <elf-symbol name='memparse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27864d57'/>
+ <elf-symbol name='mempool_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3762aec'/>
+ <elf-symbol name='mempool_alloc_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x766a0927'/>
+ <elf-symbol name='mempool_alloc_slab' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc972449f'/>
+ <elf-symbol name='mempool_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1953c958'/>
+ <elf-symbol name='mempool_create_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c122bcf'/>
+ <elf-symbol name='mempool_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9034a696'/>
+ <elf-symbol name='mempool_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38e46431'/>
+ <elf-symbol name='mempool_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa897e3e7'/>
+ <elf-symbol name='mempool_free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd985dc99'/>
+ <elf-symbol name='mempool_free_slab' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a99a016'/>
+ <elf-symbol name='mempool_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15c85de3'/>
+ <elf-symbol name='mempool_kfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a037cf1'/>
+ <elf-symbol name='mempool_kmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd35a6d31'/>
+ <elf-symbol name='mempool_resize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2aa0843e'/>
+ <elf-symbol name='memremap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d924f20'/>
+ <elf-symbol name='memset' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xdcb764ad'/>
+ <elf-symbol name='memset64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed8a2d95'/>
+ <elf-symbol name='memunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e9fdd9d'/>
+ <elf-symbol name='mfd_add_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd09b936a'/>
+ <elf-symbol name='mfd_remove_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ffe901e'/>
+ <elf-symbol name='migrate_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2cc1dd3'/>
+ <elf-symbol name='migrate_swap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4cb41e8'/>
+ <elf-symbol name='mii_check_media' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81b02588'/>
+ <elf-symbol name='mii_ethtool_get_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51423689'/>
+ <elf-symbol name='mii_ethtool_gset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0e29d9c'/>
+ <elf-symbol name='mii_ethtool_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dd2466b'/>
+ <elf-symbol name='mii_link_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x820f4b6c'/>
+ <elf-symbol name='mii_nway_restart' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa782262b'/>
+ <elf-symbol name='mipi_dsi_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbd4e41c'/>
+ <elf-symbol name='mipi_dsi_compression_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x973741eb'/>
+ <elf-symbol name='mipi_dsi_create_packet' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81ce66fa'/>
+ <elf-symbol name='mipi_dsi_dcs_enter_sleep_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x228dd57d'/>
+ <elf-symbol name='mipi_dsi_dcs_exit_sleep_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd056eaf8'/>
+ <elf-symbol name='mipi_dsi_dcs_get_display_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9b8f070'/>
+ <elf-symbol name='mipi_dsi_dcs_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x486c3798'/>
+ <elf-symbol name='mipi_dsi_dcs_set_column_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87007fbb'/>
+ <elf-symbol name='mipi_dsi_dcs_set_display_brightness' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9b80cf7'/>
+ <elf-symbol name='mipi_dsi_dcs_set_display_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbee11ee8'/>
+ <elf-symbol name='mipi_dsi_dcs_set_display_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46072d79'/>
+ <elf-symbol name='mipi_dsi_dcs_set_page_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd098cb71'/>
+ <elf-symbol name='mipi_dsi_dcs_set_pixel_format' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bb4b65e'/>
+ <elf-symbol name='mipi_dsi_dcs_set_tear_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22dd72f1'/>
+ <elf-symbol name='mipi_dsi_dcs_set_tear_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5552aff3'/>
+ <elf-symbol name='mipi_dsi_dcs_set_tear_scanline' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31904174'/>
+ <elf-symbol name='mipi_dsi_dcs_soft_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35afd384'/>
+ <elf-symbol name='mipi_dsi_dcs_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb48dc28f'/>
+ <elf-symbol name='mipi_dsi_dcs_write_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5232e23a'/>
+ <elf-symbol name='mipi_dsi_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6d5096e'/>
+ <elf-symbol name='mipi_dsi_device_register_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec55db3b'/>
+ <elf-symbol name='mipi_dsi_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c966eb9'/>
+ <elf-symbol name='mipi_dsi_driver_register_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2abbef6'/>
+ <elf-symbol name='mipi_dsi_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x350a2bcf'/>
+ <elf-symbol name='mipi_dsi_generic_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x677f31af'/>
+ <elf-symbol name='mipi_dsi_generic_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf15a6f66'/>
+ <elf-symbol name='mipi_dsi_host_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12f2e6f'/>
+ <elf-symbol name='mipi_dsi_host_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedda5ce7'/>
+ <elf-symbol name='mipi_dsi_packet_format_is_long' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xadbeed61'/>
+ <elf-symbol name='mipi_dsi_picture_parameter_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65668ae'/>
+ <elf-symbol name='misc_deregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcef2da4'/>
+ <elf-symbol name='misc_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6331d19e'/>
+ <elf-symbol name='mktime64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb2f8a4'/>
+ <elf-symbol name='mm_trace_rss_stat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3b2ab28'/>
+ <elf-symbol name='mmc_add_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa880e138'/>
+ <elf-symbol name='mmc_alloc_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ade7b26'/>
+ <elf-symbol name='mmc_app_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1c12a23'/>
+ <elf-symbol name='mmc_calc_max_discard' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe02e7faa'/>
+ <elf-symbol name='mmc_can_erase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f5169ef'/>
+ <elf-symbol name='mmc_can_gpio_cd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd09be6b4'/>
+ <elf-symbol name='mmc_can_secure_erase_trim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40ee3e29'/>
+ <elf-symbol name='mmc_can_trim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1072cab'/>
+ <elf-symbol name='mmc_cmdq_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67d30b1b'/>
+ <elf-symbol name='mmc_cmdq_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d47233d'/>
+ <elf-symbol name='mmc_cqe_post_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x328f9e38'/>
+ <elf-symbol name='mmc_cqe_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1dc82d5'/>
+ <elf-symbol name='mmc_cqe_request_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeae6cbe8'/>
+ <elf-symbol name='mmc_cqe_start_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b6452b2'/>
+ <elf-symbol name='mmc_crypto_prepare_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdccb8da8'/>
+ <elf-symbol name='mmc_crypto_setup_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a711ab2'/>
+ <elf-symbol name='mmc_detect_card_removed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf30bfa77'/>
+ <elf-symbol name='mmc_detect_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9148399'/>
+ <elf-symbol name='mmc_erase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea6d50b4'/>
+ <elf-symbol name='mmc_erase_group_aligned' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6815cdeb'/>
+ <elf-symbol name='mmc_flush_cache' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6278705'/>
+ <elf-symbol name='mmc_free_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcee80cec'/>
+ <elf-symbol name='mmc_get_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc99d67b1'/>
+ <elf-symbol name='mmc_get_ext_csd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d22df52'/>
+ <elf-symbol name='mmc_gpio_get_cd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x302d9b76'/>
+ <elf-symbol name='mmc_gpio_get_ro' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdca5507'/>
+ <elf-symbol name='mmc_gpio_set_cd_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6306cae'/>
+ <elf-symbol name='mmc_gpiod_request_cd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd318b008'/>
+ <elf-symbol name='mmc_gpiod_request_cd_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x998206b1'/>
+ <elf-symbol name='mmc_gpiod_request_ro' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79e6a140'/>
+ <elf-symbol name='mmc_hs200_tuning' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x764819d9'/>
+ <elf-symbol name='mmc_hw_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2721c24b'/>
+ <elf-symbol name='mmc_issue_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1612a2c'/>
+ <elf-symbol name='mmc_of_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6107d599'/>
+ <elf-symbol name='mmc_of_parse_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x663109b9'/>
+ <elf-symbol name='mmc_put_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9798951'/>
+ <elf-symbol name='mmc_pwrseq_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc855f699'/>
+ <elf-symbol name='mmc_pwrseq_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31bbc68e'/>
+ <elf-symbol name='mmc_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6178365'/>
+ <elf-symbol name='mmc_regulator_get_supply' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x131f404'/>
+ <elf-symbol name='mmc_regulator_set_ocr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x698a75a0'/>
+ <elf-symbol name='mmc_regulator_set_vqmmc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48022310'/>
+ <elf-symbol name='mmc_release_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe59d2398'/>
+ <elf-symbol name='mmc_remove_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc36939c3'/>
+ <elf-symbol name='mmc_request_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92acfde7'/>
+ <elf-symbol name='mmc_retune_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93603fc'/>
+ <elf-symbol name='mmc_retune_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe47e2c3'/>
+ <elf-symbol name='mmc_retune_timer_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40b1a270'/>
+ <elf-symbol name='mmc_retune_unpause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9f98ec1'/>
+ <elf-symbol name='mmc_run_bkops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceb0e709'/>
+ <elf-symbol name='mmc_sanitize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6c76f52'/>
+ <elf-symbol name='mmc_select_bus_width' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85fb0357'/>
+ <elf-symbol name='mmc_select_hs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e67b836'/>
+ <elf-symbol name='mmc_select_hs400' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x713bfcc0'/>
+ <elf-symbol name='mmc_select_hs_ddr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab5669fa'/>
+ <elf-symbol name='mmc_select_timing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf721daa'/>
+ <elf-symbol name='mmc_send_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ec60b84'/>
+ <elf-symbol name='mmc_send_tuning' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b9e0402'/>
+ <elf-symbol name='mmc_set_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa99f2303'/>
+ <elf-symbol name='mmc_set_data_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d4e8591'/>
+ <elf-symbol name='mmc_set_initial_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d8084f3'/>
+ <elf-symbol name='mmc_set_timing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7c582cc'/>
+ <elf-symbol name='mmc_start_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefe41a4b'/>
+ <elf-symbol name='mmc_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4eba2317'/>
+ <elf-symbol name='mmc_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x913fd9b4'/>
+ <elf-symbol name='mmc_wait_for_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77232a63'/>
+ <elf-symbol name='mmc_wait_for_req' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6225276'/>
+ <elf-symbol name='mmput' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x825a3481'/>
+ <elf-symbol name='mmu_interval_notifier_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae26b98a'/>
+ <elf-symbol name='mmu_interval_notifier_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf1c6b37'/>
+ <elf-symbol name='mmu_interval_read_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f11e082'/>
+ <elf-symbol name='mmu_notifier_synchronize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a4f623b'/>
+ <elf-symbol name='mod_delayed_work_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4f47221'/>
+ <elf-symbol name='mod_node_page_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77aa9eac'/>
+ <elf-symbol name='mod_timer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72cd0f7f'/>
+ <elf-symbol name='mod_timer_pending' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8148b88e'/>
+ <elf-symbol name='module_layout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c24b32d'/>
+ <elf-symbol name='module_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f166344'/>
+ <elf-symbol name='msleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9a482f9'/>
+ <elf-symbol name='msleep_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc5005fe'/>
+ <elf-symbol name='mutex_is_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d6dd0aa'/>
+ <elf-symbol name='mutex_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb9065d9'/>
+ <elf-symbol name='mutex_lock_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4124677'/>
+ <elf-symbol name='mutex_lock_killable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0e95d9a'/>
+ <elf-symbol name='mutex_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78c7940d'/>
+ <elf-symbol name='mutex_trylock_recursive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40ce057b'/>
+ <elf-symbol name='mutex_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8b268ae'/>
+ <elf-symbol name='n_tty_ioctl_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6387f2f'/>
+ <elf-symbol name='name_to_dev_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc10fddb8'/>
+ <elf-symbol name='napi_complete_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd90bf8f'/>
+ <elf-symbol name='napi_consume_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd574ae1'/>
+ <elf-symbol name='napi_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x313ce8ad'/>
+ <elf-symbol name='napi_gro_flush' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc41e24d'/>
+ <elf-symbol name='napi_gro_receive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78410393'/>
+ <elf-symbol name='napi_schedule_prep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2891832'/>
+ <elf-symbol name='neigh_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd987c7c'/>
+ <elf-symbol name='neigh_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x129807f3'/>
+ <elf-symbol name='neigh_resolve_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4355980e'/>
+ <elf-symbol name='neigh_xmit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x239fef6e'/>
+ <elf-symbol name='net_ratelimit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6ebc03b'/>
+ <elf-symbol name='netdev_alert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e0c1889'/>
+ <elf-symbol name='netdev_alloc_frag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fe912f1'/>
+ <elf-symbol name='netdev_change_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a5116fd'/>
+ <elf-symbol name='netdev_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46299167'/>
+ <elf-symbol name='netdev_increment_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69668826'/>
+ <elf-symbol name='netdev_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x756da890'/>
+ <elf-symbol name='netdev_lower_state_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x726ef0e1'/>
+ <elf-symbol name='netdev_master_upper_dev_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67573634'/>
+ <elf-symbol name='netdev_notify_peers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19130aec'/>
+ <elf-symbol name='netdev_pick_tx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b8a0de7'/>
+ <elf-symbol name='netdev_rx_handler_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd12fbc58'/>
+ <elf-symbol name='netdev_rx_handler_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a84a915'/>
+ <elf-symbol name='netdev_set_default_ethtool_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6354abdb'/>
+ <elf-symbol name='netdev_state_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x970872f1'/>
+ <elf-symbol name='netdev_update_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d51bb24'/>
+ <elf-symbol name='netdev_upper_dev_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x739906b2'/>
+ <elf-symbol name='netdev_upper_dev_unlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73d8b70f'/>
+ <elf-symbol name='netdev_warn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61b39b82'/>
+ <elf-symbol name='netif_carrier_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bda3b15'/>
+ <elf-symbol name='netif_carrier_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f2a14f'/>
+ <elf-symbol name='netif_device_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a67d656'/>
+ <elf-symbol name='netif_device_detach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b1158b9'/>
+ <elf-symbol name='netif_napi_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x943208f4'/>
+ <elf-symbol name='netif_receive_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdccd0e9b'/>
+ <elf-symbol name='netif_receive_skb_core' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdaeb4544'/>
+ <elf-symbol name='netif_receive_skb_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b8bf149'/>
+ <elf-symbol name='netif_rx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73f87d29'/>
+ <elf-symbol name='netif_rx_ni' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ac5c37e'/>
+ <elf-symbol name='netif_schedule_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe397f50d'/>
+ <elf-symbol name='netif_set_real_num_rx_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe09af44'/>
+ <elf-symbol name='netif_set_real_num_tx_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3a7c447'/>
+ <elf-symbol name='netif_stacked_transfer_operstate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf522f10c'/>
+ <elf-symbol name='netif_tx_stop_all_queues' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13b7be4'/>
+ <elf-symbol name='netif_tx_wake_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x868b628d'/>
+ <elf-symbol name='netlink_ack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc268a61d'/>
+ <elf-symbol name='netlink_broadcast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb34324ff'/>
+ <elf-symbol name='netlink_capable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x894e4fcb'/>
+ <elf-symbol name='netlink_has_listeners' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81596a83'/>
+ <elf-symbol name='netlink_kernel_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0b08751'/>
+ <elf-symbol name='netlink_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa599bb2'/>
+ <elf-symbol name='netlink_unicast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd402e883'/>
+ <elf-symbol name='netlink_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf54a8f7'/>
+ <elf-symbol name='new_inode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f7bcd36'/>
+ <elf-symbol name='nf_conntrack_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a18c74'/>
+ <elf-symbol name='nf_ct_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4d558e6'/>
+ <elf-symbol name='nf_ct_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x781d4346'/>
+ <elf-symbol name='nf_register_net_hooks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6e9ba4a'/>
+ <elf-symbol name='nf_unregister_net_hooks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd379ff8f'/>
+ <elf-symbol name='nla_append' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb1703fe'/>
+ <elf-symbol name='nla_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd279169'/>
+ <elf-symbol name='nla_memcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1db1704'/>
+ <elf-symbol name='nla_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf65aa3a'/>
+ <elf-symbol name='nla_put_64bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x269a7faf'/>
+ <elf-symbol name='nla_put_nohdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f78276'/>
+ <elf-symbol name='nla_reserve' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96c6101e'/>
+ <elf-symbol name='nla_reserve_64bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x350be1a7'/>
+ <elf-symbol name='nla_strlcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b640864'/>
+ <elf-symbol name='no_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8888b15'/>
+ <elf-symbol name='no_seek_end_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53e2f80c'/>
+ <elf-symbol name='nonseekable_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82885f25'/>
+ <elf-symbol name='noop_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f5afe9b'/>
+ <elf-symbol name='nr_ipi_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x215054f8'/>
+ <elf-symbol name='ns_capable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3adccc5'/>
+ <elf-symbol name='ns_to_kernel_old_timeval' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b853d06'/>
+ <elf-symbol name='ns_to_timespec64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e1e140e'/>
+ <elf-symbol name='nsec_to_clock_t' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0d036a6'/>
+ <elf-symbol name='nsecs_to_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffae8e8b'/>
+ <elf-symbol name='nvdimm_bus_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1065e21'/>
+ <elf-symbol name='nvdimm_bus_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdeed5aa'/>
+ <elf-symbol name='nvdimm_pmem_region_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfecd11b2'/>
+ <elf-symbol name='nvmem_cell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75dea444'/>
+ <elf-symbol name='nvmem_cell_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85540ebc'/>
+ <elf-symbol name='nvmem_cell_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99f018c4'/>
+ <elf-symbol name='nvmem_cell_read_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x475f10e8'/>
+ <elf-symbol name='nvmem_cell_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x202d4ed6'/>
+ <elf-symbol name='nvmem_device_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4fc4551'/>
+ <elf-symbol name='nvmem_device_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8349a895'/>
+ <elf-symbol name='nvmem_device_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc697b0f7'/>
+ <elf-symbol name='nvmem_device_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3866e217'/>
+ <elf-symbol name='nvmem_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3969424e'/>
+ <elf-symbol name='nvmem_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc39c03e'/>
+ <elf-symbol name='of_address_to_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6ceff9a'/>
+ <elf-symbol name='of_alias_get_highest_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x321cdbf'/>
+ <elf-symbol name='of_alias_get_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5110cd07'/>
+ <elf-symbol name='of_clk_add_hw_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaee90bd'/>
+ <elf-symbol name='of_clk_add_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ceb7ac0'/>
+ <elf-symbol name='of_clk_del_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x879a6f7'/>
+ <elf-symbol name='of_clk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78a4c178'/>
+ <elf-symbol name='of_clk_get_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7b5b50e'/>
+ <elf-symbol name='of_clk_get_from_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaaa2cff'/>
+ <elf-symbol name='of_clk_get_parent_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5843e83f'/>
+ <elf-symbol name='of_clk_get_parent_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd03f2be3'/>
+ <elf-symbol name='of_clk_hw_onecell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70951935'/>
+ <elf-symbol name='of_clk_hw_simple_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c247ec4'/>
+ <elf-symbol name='of_clk_set_defaults' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd052824e'/>
+ <elf-symbol name='of_clk_src_onecell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50eb7fa5'/>
+ <elf-symbol name='of_clk_src_simple_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4c76b57'/>
+ <elf-symbol name='of_count_phandle_with_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39846f3f'/>
+ <elf-symbol name='of_cpu_node_to_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32d03c7'/>
+ <elf-symbol name='of_cpufreq_cooling_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13699fd2'/>
+ <elf-symbol name='of_css' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2a4ad58'/>
+ <elf-symbol name='of_devfreq_cooling_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef19ce8b'/>
+ <elf-symbol name='of_devfreq_cooling_register_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94156ced'/>
+ <elf-symbol name='of_device_get_match_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x882c7dd6'/>
+ <elf-symbol name='of_device_is_available' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cf87584'/>
+ <elf-symbol name='of_device_is_big_endian' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63a8db92'/>
+ <elf-symbol name='of_device_is_compatible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef4b763b'/>
+ <elf-symbol name='of_device_modalias' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa826bf37'/>
+ <elf-symbol name='of_device_request_module' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe315543'/>
+ <elf-symbol name='of_device_uevent_modalias' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x249f8b64'/>
+ <elf-symbol name='of_dma_configure_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8fb341'/>
+ <elf-symbol name='of_dma_controller_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d4ef795'/>
+ <elf-symbol name='of_dma_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec01ee07'/>
+ <elf-symbol name='of_dma_is_coherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x320639c8'/>
+ <elf-symbol name='of_dma_simple_xlate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdea17c7b'/>
+ <elf-symbol name='of_dma_xlate_by_chan_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff281b73'/>
+ <elf-symbol name='of_drm_find_bridge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe901f6c5'/>
+ <elf-symbol name='of_drm_find_panel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c3784a8'/>
+ <elf-symbol name='of_drm_get_panel_orientation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa23cce35'/>
+ <elf-symbol name='of_find_all_nodes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdddbf80f'/>
+ <elf-symbol name='of_find_backlight_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30fcff58'/>
+ <elf-symbol name='of_find_compatible_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65f9af5a'/>
+ <elf-symbol name='of_find_device_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68bc512b'/>
+ <elf-symbol name='of_find_i2c_adapter_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebc6b04e'/>
+ <elf-symbol name='of_find_i2c_device_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a31f223'/>
+ <elf-symbol name='of_find_matching_node_and_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54cf30ec'/>
+ <elf-symbol name='of_find_mipi_dsi_host_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8d97401'/>
+ <elf-symbol name='of_find_node_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87f6e3eb'/>
+ <elf-symbol name='of_find_node_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88582d55'/>
+ <elf-symbol name='of_find_node_by_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x499e212'/>
+ <elf-symbol name='of_find_node_opts_by_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x986f7ca8'/>
+ <elf-symbol name='of_find_node_with_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea08eb76'/>
+ <elf-symbol name='of_find_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ca7c29e'/>
+ <elf-symbol name='of_gen_pool_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36f1a6fa'/>
+ <elf-symbol name='of_genpd_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32dc7e12'/>
+ <elf-symbol name='of_genpd_add_provider_onecell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8788137b'/>
+ <elf-symbol name='of_genpd_add_provider_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ce84976'/>
+ <elf-symbol name='of_genpd_add_subdomain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x623ee5c'/>
+ <elf-symbol name='of_genpd_del_provider' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd232b4d'/>
+ <elf-symbol name='of_get_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1e98370'/>
+ <elf-symbol name='of_get_child_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0ee738d'/>
+ <elf-symbol name='of_get_compatible_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1dfec630'/>
+ <elf-symbol name='of_get_cpu_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x989b9369'/>
+ <elf-symbol name='of_get_display_timing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61773766'/>
+ <elf-symbol name='of_get_display_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x880c06c0'/>
+ <elf-symbol name='of_get_dma_window' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55639ff8'/>
+ <elf-symbol name='of_get_drm_display_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b20035e'/>
+ <elf-symbol name='of_get_i2c_adapter_by_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb353145'/>
+ <elf-symbol name='of_get_mac_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x723b1daa'/>
+ <elf-symbol name='of_get_named_gpio_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x982b7d12'/>
+ <elf-symbol name='of_get_next_available_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x659b3c35'/>
+ <elf-symbol name='of_get_next_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69601c70'/>
+ <elf-symbol name='of_get_next_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6172fe2a'/>
+ <elf-symbol name='of_get_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7c453f0'/>
+ <elf-symbol name='of_get_phy_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4529e86'/>
+ <elf-symbol name='of_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad0a8a5a'/>
+ <elf-symbol name='of_get_regulator_init_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9c56740'/>
+ <elf-symbol name='of_get_videomode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x886ce7cd'/>
+ <elf-symbol name='of_graph_get_endpoint_by_regs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3532156'/>
+ <elf-symbol name='of_graph_get_endpoint_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ffa7c82'/>
+ <elf-symbol name='of_graph_get_next_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5fb2027'/>
+ <elf-symbol name='of_graph_get_port_by_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71025b46'/>
+ <elf-symbol name='of_graph_get_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdaf7c1a'/>
+ <elf-symbol name='of_graph_get_remote_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6a990cd'/>
+ <elf-symbol name='of_graph_get_remote_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf87243b6'/>
+ <elf-symbol name='of_graph_get_remote_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb94a4c1d'/>
+ <elf-symbol name='of_graph_get_remote_port_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb66e8bc3'/>
+ <elf-symbol name='of_graph_is_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e65b7ac'/>
+ <elf-symbol name='of_graph_parse_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46c3b5de'/>
+ <elf-symbol name='of_hwspin_lock_get_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32d9b70e'/>
+ <elf-symbol name='of_i2c_get_board_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4264bc4'/>
+ <elf-symbol name='of_icc_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdb16f62'/>
+ <elf-symbol name='of_icc_xlate_onecell' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x201327c0'/>
+ <elf-symbol name='of_iomap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc33c5a9'/>
+ <elf-symbol name='of_irq_find_parent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3ed0c5e'/>
+ <elf-symbol name='of_irq_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49a88480'/>
+ <elf-symbol name='of_irq_get_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f25b6cc'/>
+ <elf-symbol name='of_irq_parse_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x938664fb'/>
+ <elf-symbol name='of_irq_to_resource_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x341f1804'/>
+ <elf-symbol name='of_machine_is_compatible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd31ccb06'/>
+ <elf-symbol name='of_match_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7576a4d9'/>
+ <elf-symbol name='of_match_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x488eb4e2'/>
+ <elf-symbol name='of_mdiobus_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c7b5792'/>
+ <elf-symbol name='of_modalias_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc07c15a1'/>
+ <elf-symbol name='of_n_addr_cells' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc298fad8'/>
+ <elf-symbol name='of_n_size_cells' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29ba86d8'/>
+ <elf-symbol name='of_node_name_eq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x841c2a67'/>
+ <elf-symbol name='of_nvmem_cell_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa54f6163'/>
+ <elf-symbol name='of_nvmem_device_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc548865'/>
+ <elf-symbol name='of_parse_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79746f10'/>
+ <elf-symbol name='of_parse_phandle_with_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cbbcd88'/>
+ <elf-symbol name='of_parse_phandle_with_fixed_args' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd01477fb'/>
+ <elf-symbol name='of_pci_get_max_link_speed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9dc1ad8f'/>
+ <elf-symbol name='of_phandle_iterator_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d3d2daf'/>
+ <elf-symbol name='of_phandle_iterator_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a7d162c'/>
+ <elf-symbol name='of_phy_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74c7e2ef'/>
+ <elf-symbol name='of_phy_deregister_fixed_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b57fc9d'/>
+ <elf-symbol name='of_phy_find_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ca4d105'/>
+ <elf-symbol name='of_phy_is_fixed_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5a2ca53'/>
+ <elf-symbol name='of_phy_register_fixed_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe48431b7'/>
+ <elf-symbol name='of_phy_simple_xlate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2094183'/>
+ <elf-symbol name='of_pinctrl_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdca7c17d'/>
+ <elf-symbol name='of_platform_depopulate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fb0100'/>
+ <elf-symbol name='of_platform_device_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74cd6e1c'/>
+ <elf-symbol name='of_platform_device_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c9f49e7'/>
+ <elf-symbol name='of_platform_populate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe59e7d7b'/>
+ <elf-symbol name='of_prop_next_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c9248ef'/>
+ <elf-symbol name='of_prop_next_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7043d2c8'/>
+ <elf-symbol name='of_property_count_elems_of_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f9e9913'/>
+ <elf-symbol name='of_property_match_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ccde25c'/>
+ <elf-symbol name='of_property_read_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cf0dacc'/>
+ <elf-symbol name='of_property_read_string_helper' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c02aadb'/>
+ <elf-symbol name='of_property_read_u32_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8a4448c'/>
+ <elf-symbol name='of_property_read_u64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac8a155e'/>
+ <elf-symbol name='of_property_read_u64_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53b92773'/>
+ <elf-symbol name='of_property_read_variable_u16_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8b2ce3e'/>
+ <elf-symbol name='of_property_read_variable_u32_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfec2174f'/>
+ <elf-symbol name='of_property_read_variable_u64_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19e37896'/>
+ <elf-symbol name='of_property_read_variable_u8_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64cd05cd'/>
+ <elf-symbol name='of_pwm_xlate_with_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb009a81'/>
+ <elf-symbol name='of_regulator_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4112332'/>
+ <elf-symbol name='of_remove_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3795504'/>
+ <elf-symbol name='of_reserved_mem_device_init_by_idx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43c31ab3'/>
+ <elf-symbol name='of_reserved_mem_device_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d408f9c'/>
+ <elf-symbol name='of_reserved_mem_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea5339e4'/>
+ <elf-symbol name='of_reset_control_array_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97e32dd4'/>
+ <elf-symbol name='of_thermal_get_ntrips' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53e6fe5a'/>
+ <elf-symbol name='of_thermal_get_trip_points' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaeda21a1'/>
+ <elf-symbol name='of_thermal_is_trip_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4755a2c2'/>
+ <elf-symbol name='of_translate_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36f6c2b3'/>
+ <elf-symbol name='of_usb_get_dr_mode_by_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7533b285'/>
+ <elf-symbol name='of_usb_get_phy_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x930245b'/>
+ <elf-symbol name='of_usb_host_tpl_support' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a0a609e'/>
+ <elf-symbol name='of_usb_update_otg_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f7ac68'/>
+ <elf-symbol name='on_each_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x294b9ea1'/>
+ <elf-symbol name='on_each_cpu_cond' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1a5ab8c'/>
+ <elf-symbol name='open_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc49d1d3c'/>
+ <elf-symbol name='orderly_poweroff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56256e8a'/>
+ <elf-symbol name='out_of_line_wait_on_bit_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4071b517'/>
+ <elf-symbol name='page_endio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd65281f0'/>
+ <elf-symbol name='page_mapping' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5000845d'/>
+ <elf-symbol name='page_reporting_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a216f9'/>
+ <elf-symbol name='page_reporting_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x16d35611'/>
+ <elf-symbol name='panic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1e046cc'/>
+ <elf-symbol name='param_get_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55969cf2'/>
+ <elf-symbol name='param_get_charp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20552bee'/>
+ <elf-symbol name='param_get_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32a1a2ea'/>
+ <elf-symbol name='param_get_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70a9293c'/>
+ <elf-symbol name='param_get_uint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1610bd2a'/>
+ <elf-symbol name='param_get_ullong' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40f5c011'/>
+ <elf-symbol name='param_get_ulong' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e481f32'/>
+ <elf-symbol name='param_set_bool' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d22e87b'/>
+ <elf-symbol name='param_set_charp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7bf9691c'/>
+ <elf-symbol name='param_set_copystring' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb03153c'/>
+ <elf-symbol name='param_set_int' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf57c7707'/>
+ <elf-symbol name='param_set_uint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa500aaf3'/>
+ <elf-symbol name='param_set_ulong' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ef527f6'/>
+ <elf-symbol name='part_end_io_acct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x914f78aa'/>
+ <elf-symbol name='part_start_io_acct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0f6a67a'/>
+ <elf-symbol name='passthru_features_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30ee9d7b'/>
+ <elf-symbol name='path_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd814d970'/>
+ <elf-symbol name='pause_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1f3509f'/>
+ <elf-symbol name='pci_aer_clear_nonfatal_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x821e0032'/>
+ <elf-symbol name='pci_alloc_irq_vectors_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf938cef'/>
+ <elf-symbol name='pci_assign_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42acf12'/>
+ <elf-symbol name='pci_assign_unassigned_bus_resources' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6657ccc9'/>
+ <elf-symbol name='pci_bus_resource_n' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99ffd1b9'/>
+ <elf-symbol name='pci_choose_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8168ab03'/>
+ <elf-symbol name='pci_clear_master' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf04038f9'/>
+ <elf-symbol name='pci_d3cold_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c5b556a'/>
+ <elf-symbol name='pci_dev_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3145216f'/>
+ <elf-symbol name='pci_dev_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39e91d75'/>
+ <elf-symbol name='pci_device_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2998069f'/>
+ <elf-symbol name='pci_device_is_present' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbba71ba0'/>
+ <elf-symbol name='pci_disable_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6469305c'/>
+ <elf-symbol name='pci_disable_msi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28d3798b'/>
+ <elf-symbol name='pci_disable_msix' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0d0262c'/>
+ <elf-symbol name='pci_disable_pcie_error_reporting' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x238f464a'/>
+ <elf-symbol name='pci_disable_sriov' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa052a97c'/>
+ <elf-symbol name='pci_enable_atomic_ops_to_root' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8be3e91'/>
+ <elf-symbol name='pci_enable_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1a30925'/>
+ <elf-symbol name='pci_enable_device_mem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6d3b968'/>
+ <elf-symbol name='pci_enable_msi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabe0d4af'/>
+ <elf-symbol name='pci_enable_msix_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3f00f0a'/>
+ <elf-symbol name='pci_enable_pcie_error_reporting' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbdddf5f'/>
+ <elf-symbol name='pci_enable_sriov' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbddd8c69'/>
+ <elf-symbol name='pci_enable_wake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57c20124'/>
+ <elf-symbol name='pci_epc_clear_bar' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8f57fc7'/>
+ <elf-symbol name='pci_epc_map_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32851b92'/>
+ <elf-symbol name='pci_epc_mem_alloc_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10429f90'/>
+ <elf-symbol name='pci_epc_mem_free_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3a2b56'/>
+ <elf-symbol name='pci_epc_set_bar' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30865bfd'/>
+ <elf-symbol name='pci_epc_unmap_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3d86042'/>
+ <elf-symbol name='pci_find_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23b8de72'/>
+ <elf-symbol name='pci_find_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2246ce53'/>
+ <elf-symbol name='pci_find_ext_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb4ab315'/>
+ <elf-symbol name='pci_find_next_capability' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb888db5f'/>
+ <elf-symbol name='pci_free_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43137fea'/>
+ <elf-symbol name='pci_free_irq_vectors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7631967b'/>
+ <elf-symbol name='pci_generic_config_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb556c195'/>
+ <elf-symbol name='pci_generic_config_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x611bb548'/>
+ <elf-symbol name='pci_get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2bd87e4'/>
+ <elf-symbol name='pci_get_domain_bus_and_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6af64d0'/>
+ <elf-symbol name='pci_get_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3133aa0c'/>
+ <elf-symbol name='pci_host_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84d504d8'/>
+ <elf-symbol name='pci_intx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb99ba85a'/>
+ <elf-symbol name='pci_iomap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca9282f8'/>
+ <elf-symbol name='pci_iomap_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12702bb0'/>
+ <elf-symbol name='pci_ioremap_bar' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa884900'/>
+ <elf-symbol name='pci_irq_get_affinity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e0a9aea'/>
+ <elf-symbol name='pci_irq_vector' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa75dc53e'/>
+ <elf-symbol name='pci_load_and_free_saved_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1322500d'/>
+ <elf-symbol name='pci_load_saved_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1ffe003'/>
+ <elf-symbol name='pci_map_rom' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eb152a6'/>
+ <elf-symbol name='pci_match_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1648ead'/>
+ <elf-symbol name='pci_msi_create_irq_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7c664da'/>
+ <elf-symbol name='pci_msi_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x453c8403'/>
+ <elf-symbol name='pci_msi_mask_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x724a9927'/>
+ <elf-symbol name='pci_msi_unmask_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43eb9092'/>
+ <elf-symbol name='pci_msix_vec_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c547591'/>
+ <elf-symbol name='pci_num_vf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eb483fe'/>
+ <elf-symbol name='pci_read_config_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd49eba8d'/>
+ <elf-symbol name='pci_read_config_dword' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4412c58e'/>
+ <elf-symbol name='pci_read_config_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5e7ab97'/>
+ <elf-symbol name='pci_release_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa601473c'/>
+ <elf-symbol name='pci_release_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a05faa'/>
+ <elf-symbol name='pci_release_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0b788cd'/>
+ <elf-symbol name='pci_release_selected_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0b1c8dd'/>
+ <elf-symbol name='pci_remove_root_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb402a5da'/>
+ <elf-symbol name='pci_request_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74da130c'/>
+ <elf-symbol name='pci_request_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb6d818c'/>
+ <elf-symbol name='pci_request_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd26ee740'/>
+ <elf-symbol name='pci_request_selected_regions' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x615682ae'/>
+ <elf-symbol name='pci_rescan_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe560945'/>
+ <elf-symbol name='pci_reset_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2e665d8'/>
+ <elf-symbol name='pci_resize_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63e34cc3'/>
+ <elf-symbol name='pci_restore_msi_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb239648b'/>
+ <elf-symbol name='pci_restore_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb598e3ff'/>
+ <elf-symbol name='pci_save_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2af8eaa1'/>
+ <elf-symbol name='pci_select_bars' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x422e935c'/>
+ <elf-symbol name='pci_set_master' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfba39625'/>
+ <elf-symbol name='pci_set_mwi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c9fdae2'/>
+ <elf-symbol name='pci_set_power_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48cb85bc'/>
+ <elf-symbol name='pci_sriov_configure_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x356b977a'/>
+ <elf-symbol name='pci_stop_root_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfce1d90e'/>
+ <elf-symbol name='pci_store_saved_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7180a796'/>
+ <elf-symbol name='pci_try_set_mwi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc072d8f'/>
+ <elf-symbol name='pci_unmap_rom' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93d7a4c2'/>
+ <elf-symbol name='pci_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1e4290c'/>
+ <elf-symbol name='pci_vfs_assigned' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e96d32a'/>
+ <elf-symbol name='pci_wake_from_d3' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa848813c'/>
+ <elf-symbol name='pci_walk_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67b5b133'/>
+ <elf-symbol name='pci_write_config_byte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc94eb7c'/>
+ <elf-symbol name='pci_write_config_dword' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8674517b'/>
+ <elf-symbol name='pci_write_config_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78a30ae3'/>
+ <elf-symbol name='pcibios_resource_to_bus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x605e4f'/>
+ <elf-symbol name='pcie_aspm_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcebc01e6'/>
+ <elf-symbol name='pcie_bandwidth_available' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa47b1de5'/>
+ <elf-symbol name='pcie_capability_clear_and_set_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5085be7d'/>
+ <elf-symbol name='pcie_capability_read_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eb65cf5'/>
+ <elf-symbol name='pcie_capability_write_word' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc566a616'/>
+ <elf-symbol name='pcie_get_mps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63d08990'/>
+ <elf-symbol name='pcie_get_speed_cap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0559b3a'/>
+ <elf-symbol name='pcie_set_mps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcaa8aa61'/>
+ <elf-symbol name='pcim_enable_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d968a60'/>
+ <elf-symbol name='pcpu_nr_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7b9a65d'/>
+ <elf-symbol name='per_cpu_ptr_to_phys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55ffab3b'/>
+ <elf-symbol name='percpu_down_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87487d40'/>
+ <elf-symbol name='percpu_ref_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37bf7be3'/>
+ <elf-symbol name='percpu_ref_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb570ec39'/>
+ <elf-symbol name='percpu_ref_is_zero' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc91fdf58'/>
+ <elf-symbol name='percpu_ref_kill_and_confirm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ed4d2eb'/>
+ <elf-symbol name='percpu_ref_switch_to_atomic_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf782fb07'/>
+ <elf-symbol name='percpu_ref_switch_to_percpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7283161b'/>
+ <elf-symbol name='percpu_up_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ee3430e'/>
+ <elf-symbol name='perf_aux_output_begin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e969fd8'/>
+ <elf-symbol name='perf_aux_output_end' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72164fc7'/>
+ <elf-symbol name='perf_aux_output_flag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb98c74f8'/>
+ <elf-symbol name='perf_event_addr_filters_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36146bfc'/>
+ <elf-symbol name='perf_event_create_kernel_counter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcfefbf3'/>
+ <elf-symbol name='perf_event_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d609757'/>
+ <elf-symbol name='perf_event_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85a0bc8'/>
+ <elf-symbol name='perf_event_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x604cfc3f'/>
+ <elf-symbol name='perf_event_read_local' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bc0d13f'/>
+ <elf-symbol name='perf_event_read_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb51778a4'/>
+ <elf-symbol name='perf_event_release_kernel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ec8ccb5'/>
+ <elf-symbol name='perf_event_update_userpage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94d747c6'/>
+ <elf-symbol name='perf_get_aux' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35a5c4c0'/>
+ <elf-symbol name='perf_num_counters' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc385cb58'/>
+ <elf-symbol name='perf_pmu_migrate_context' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b568fd6'/>
+ <elf-symbol name='perf_pmu_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf12439e8'/>
+ <elf-symbol name='perf_pmu_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89615988'/>
+ <elf-symbol name='perf_trace_buf_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb8a6e1b'/>
+ <elf-symbol name='perf_trace_run_bpf_submit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x707d45e8'/>
+ <elf-symbol name='pfn_valid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51e77c97'/>
+ <elf-symbol name='phy_attached_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfdcedb33'/>
+ <elf-symbol name='phy_calibrate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefe6c0'/>
+ <elf-symbol name='phy_configure' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5988c8ba'/>
+ <elf-symbol name='phy_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2da3166'/>
+ <elf-symbol name='phy_connect_direct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff9d0908'/>
+ <elf-symbol name='phy_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f3a06f6'/>
+ <elf-symbol name='phy_do_ioctl_running' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87f68851'/>
+ <elf-symbol name='phy_drivers_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dd6e85a'/>
+ <elf-symbol name='phy_drivers_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10e46d5d'/>
+ <elf-symbol name='phy_ethtool_get_eee' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca8a507c'/>
+ <elf-symbol name='phy_ethtool_get_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe11de541'/>
+ <elf-symbol name='phy_ethtool_ksettings_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e0fe577'/>
+ <elf-symbol name='phy_ethtool_ksettings_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d679adb'/>
+ <elf-symbol name='phy_ethtool_nway_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cfa9588'/>
+ <elf-symbol name='phy_ethtool_set_eee' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9623fb1f'/>
+ <elf-symbol name='phy_ethtool_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21b2cfa6'/>
+ <elf-symbol name='phy_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2c11ca4'/>
+ <elf-symbol name='phy_find_first' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x407f65d9'/>
+ <elf-symbol name='phy_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5bcda36'/>
+ <elf-symbol name='phy_get_eee_err' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f0bd293'/>
+ <elf-symbol name='phy_get_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0211602'/>
+ <elf-symbol name='phy_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8ad088f'/>
+ <elf-symbol name='phy_init_eee' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x996f5f36'/>
+ <elf-symbol name='phy_init_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29163f18'/>
+ <elf-symbol name='phy_mac_interrupt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cdf747a'/>
+ <elf-symbol name='phy_mii_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a0f5c2d'/>
+ <elf-symbol name='phy_mipi_dphy_config_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x881bad5e'/>
+ <elf-symbol name='phy_mipi_dphy_get_default_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4848cfb1'/>
+ <elf-symbol name='phy_modify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd82d5460'/>
+ <elf-symbol name='phy_modify_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67d7a10b'/>
+ <elf-symbol name='phy_modify_mmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda72a21c'/>
+ <elf-symbol name='phy_modify_paged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9764077'/>
+ <elf-symbol name='phy_modify_paged_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80d476ac'/>
+ <elf-symbol name='phy_pm_runtime_get_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe607becf'/>
+ <elf-symbol name='phy_pm_runtime_put_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf93fed12'/>
+ <elf-symbol name='phy_power_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe622430'/>
+ <elf-symbol name='phy_power_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0d3fa35'/>
+ <elf-symbol name='phy_print_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x605b2f5'/>
+ <elf-symbol name='phy_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9b84e64'/>
+ <elf-symbol name='phy_read_mmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x523be52e'/>
+ <elf-symbol name='phy_read_paged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2c2c04b'/>
+ <elf-symbol name='phy_remove_link_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeffa4c5b'/>
+ <elf-symbol name='phy_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf24037b'/>
+ <elf-symbol name='phy_reset_after_clk_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ee19f68'/>
+ <elf-symbol name='phy_resolve_aneg_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f3fd8b3'/>
+ <elf-symbol name='phy_restore_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36df308b'/>
+ <elf-symbol name='phy_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d83b46e'/>
+ <elf-symbol name='phy_select_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x394db1ba'/>
+ <elf-symbol name='phy_set_max_speed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x861ff702'/>
+ <elf-symbol name='phy_set_mode_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a433760'/>
+ <elf-symbol name='phy_set_sym_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc537b522'/>
+ <elf-symbol name='phy_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa751b989'/>
+ <elf-symbol name='phy_start_aneg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72889a7e'/>
+ <elf-symbol name='phy_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceef0b7f'/>
+ <elf-symbol name='phy_support_sym_pause' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34ce063c'/>
+ <elf-symbol name='phy_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a51c13b'/>
+ <elf-symbol name='phy_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2da25126'/>
+ <elf-symbol name='phy_write_mmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb226915d'/>
+ <elf-symbol name='phy_write_paged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe16fbb16'/>
+ <elf-symbol name='phylink_connect_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ef533c5'/>
+ <elf-symbol name='phylink_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x944fe48'/>
+ <elf-symbol name='phylink_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3083a1d'/>
+ <elf-symbol name='phylink_of_phy_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x892258f2'/>
+ <elf-symbol name='phylink_set_port_modes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1d15a4c'/>
+ <elf-symbol name='phylink_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x911fcd6c'/>
+ <elf-symbol name='pick_highest_pushable_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd779a66'/>
+ <elf-symbol name='pid_nr_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x118bd6a2'/>
+ <elf-symbol name='pid_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x918779bc'/>
+ <elf-symbol name='pin_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92ea19f'/>
+ <elf-symbol name='pin_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83986d0c'/>
+ <elf-symbol name='pin_user_pages_fast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11470fc9'/>
+ <elf-symbol name='pin_user_pages_remote' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb820deb2'/>
+ <elf-symbol name='pinconf_generic_dt_free_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x921ecb25'/>
+ <elf-symbol name='pinconf_generic_dt_node_to_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x277ab108'/>
+ <elf-symbol name='pinconf_generic_parse_dt_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2de44628'/>
+ <elf-symbol name='pinctrl_add_gpio_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7670ccd'/>
+ <elf-symbol name='pinctrl_dev_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71d59aa9'/>
+ <elf-symbol name='pinctrl_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x125ce930'/>
+ <elf-symbol name='pinctrl_find_gpio_range_from_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93d7a73d'/>
+ <elf-symbol name='pinctrl_force_default' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeceab376'/>
+ <elf-symbol name='pinctrl_force_sleep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b91176c'/>
+ <elf-symbol name='pinctrl_generic_get_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4805735'/>
+ <elf-symbol name='pinctrl_generic_get_group_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c9c6a9e'/>
+ <elf-symbol name='pinctrl_generic_get_group_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf30a448'/>
+ <elf-symbol name='pinctrl_generic_get_group_pins' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd62ddf6e'/>
+ <elf-symbol name='pinctrl_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8326fbf'/>
+ <elf-symbol name='pinctrl_gpio_direction_input' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bc5eebe'/>
+ <elf-symbol name='pinctrl_gpio_direction_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b8822d8'/>
+ <elf-symbol name='pinctrl_lookup_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79a35362'/>
+ <elf-symbol name='pinctrl_pm_select_default_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6efcbc6'/>
+ <elf-symbol name='pinctrl_pm_select_idle_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e485010'/>
+ <elf-symbol name='pinctrl_pm_select_sleep_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4f76d59'/>
+ <elf-symbol name='pinctrl_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd7d1702'/>
+ <elf-symbol name='pinctrl_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebfe727f'/>
+ <elf-symbol name='pinctrl_remove_gpio_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82e30947'/>
+ <elf-symbol name='pinctrl_select_default_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8ef112c'/>
+ <elf-symbol name='pinctrl_select_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c39520d'/>
+ <elf-symbol name='pinctrl_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf982a1e4'/>
+ <elf-symbol name='pinctrl_utils_add_map_configs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcc2c29f'/>
+ <elf-symbol name='pinctrl_utils_add_map_mux' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe373b412'/>
+ <elf-symbol name='pinctrl_utils_free_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xace211b6'/>
+ <elf-symbol name='pinctrl_utils_reserve_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x219c2a85'/>
+ <elf-symbol name='pinmux_generic_get_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d5c8e0e'/>
+ <elf-symbol name='pinmux_generic_get_function_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35add691'/>
+ <elf-symbol name='pinmux_generic_get_function_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fa814f2'/>
+ <elf-symbol name='pinmux_generic_get_function_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7f0c6e0'/>
+ <elf-symbol name='pipe_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19938522'/>
+ <elf-symbol name='pipe_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57e9847b'/>
+ <elf-symbol name='pktgen_xfrm_outer_mode_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d371dde'/>
+ <elf-symbol name='platform_add_devices' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b7b6b6e'/>
+ <elf-symbol name='platform_device_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e90e03'/>
+ <elf-symbol name='platform_device_add_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f971f77'/>
+ <elf-symbol name='platform_device_add_properties' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x324aa8b7'/>
+ <elf-symbol name='platform_device_add_resources' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd757224f'/>
+ <elf-symbol name='platform_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf477c34f'/>
+ <elf-symbol name='platform_device_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb81968dd'/>
+ <elf-symbol name='platform_device_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2e7afd8'/>
+ <elf-symbol name='platform_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcbfe80e4'/>
+ <elf-symbol name='platform_device_register_full' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9862a92d'/>
+ <elf-symbol name='platform_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8a28de'/>
+ <elf-symbol name='platform_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x329d9ae3'/>
+ <elf-symbol name='platform_find_device_by_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7025f7ce'/>
+ <elf-symbol name='platform_get_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf189c2c'/>
+ <elf-symbol name='platform_get_irq_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2003709b'/>
+ <elf-symbol name='platform_get_irq_byname_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dabcb1e'/>
+ <elf-symbol name='platform_get_irq_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcea9f3af'/>
+ <elf-symbol name='platform_get_resource' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e29445c'/>
+ <elf-symbol name='platform_get_resource_byname' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc06cf568'/>
+ <elf-symbol name='platform_irq_count' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7fda62f'/>
+ <elf-symbol name='platform_msi_domain_alloc_irqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d11ee67'/>
+ <elf-symbol name='platform_msi_domain_free_irqs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebf6e58b'/>
+ <elf-symbol name='platform_unregister_drivers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb047000d'/>
+ <elf-symbol name='pm_clk_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbde959ec'/>
+ <elf-symbol name='pm_clk_add_clk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x807ac0bf'/>
+ <elf-symbol name='pm_clk_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe449fa38'/>
+ <elf-symbol name='pm_clk_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78eb2755'/>
+ <elf-symbol name='pm_clk_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a180e54'/>
+ <elf-symbol name='pm_clk_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcbe18d0'/>
+ <elf-symbol name='pm_generic_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87c2e299'/>
+ <elf-symbol name='pm_generic_runtime_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefeada50'/>
+ <elf-symbol name='pm_generic_runtime_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86c526b0'/>
+ <elf-symbol name='pm_generic_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6415749c'/>
+ <elf-symbol name='pm_genpd_add_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24d29ef8'/>
+ <elf-symbol name='pm_genpd_add_subdomain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5119a0e4'/>
+ <elf-symbol name='pm_genpd_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x610c4e73'/>
+ <elf-symbol name='pm_genpd_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2ad41e5'/>
+ <elf-symbol name='pm_genpd_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x907876a9'/>
+ <elf-symbol name='pm_genpd_remove_subdomain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb28de2'/>
+ <elf-symbol name='pm_get_active_wakeup_sources' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a8edb31'/>
+ <elf-symbol name='pm_relax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffe8b403'/>
+ <elf-symbol name='pm_runtime_allow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x687add72'/>
+ <elf-symbol name='pm_runtime_autosuspend_expiration' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf861955'/>
+ <elf-symbol name='pm_runtime_barrier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x405636ce'/>
+ <elf-symbol name='pm_runtime_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8081ce78'/>
+ <elf-symbol name='pm_runtime_forbid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacaaadd3'/>
+ <elf-symbol name='pm_runtime_force_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed52c306'/>
+ <elf-symbol name='pm_runtime_force_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd69360d3'/>
+ <elf-symbol name='pm_runtime_get_if_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65df4ea'/>
+ <elf-symbol name='pm_runtime_irq_safe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4eeda700'/>
+ <elf-symbol name='pm_runtime_no_callbacks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88e96c0d'/>
+ <elf-symbol name='pm_runtime_set_autosuspend_delay' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b0864e7'/>
+ <elf-symbol name='pm_stay_awake' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x687d2163'/>
+ <elf-symbol name='pm_suspend_default_s2idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b555c8c'/>
+ <elf-symbol name='pm_system_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c0215f2'/>
+ <elf-symbol name='pm_wakeup_dev_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe92462a2'/>
+ <elf-symbol name='pm_wakeup_ws_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a25ae5d'/>
+ <elf-symbol name='policy_has_boost_freq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60569ce1'/>
+ <elf-symbol name='posix_clock_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83d63a52'/>
+ <elf-symbol name='posix_clock_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78a471cf'/>
+ <elf-symbol name='power_supply_am_i_supplied' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf42f18b7'/>
+ <elf-symbol name='power_supply_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x886d3ed1'/>
+ <elf-symbol name='power_supply_find_ocv2cap_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0a9a621'/>
+ <elf-symbol name='power_supply_get_battery_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf96edaab'/>
+ <elf-symbol name='power_supply_get_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x175ced1'/>
+ <elf-symbol name='power_supply_get_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32c33bf2'/>
+ <elf-symbol name='power_supply_get_by_phandle_array' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cc6665a'/>
+ <elf-symbol name='power_supply_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbbfcc83e'/>
+ <elf-symbol name='power_supply_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb72d6b4'/>
+ <elf-symbol name='power_supply_is_system_supplied' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c208607'/>
+ <elf-symbol name='power_supply_ocv2cap_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5cad8fc3'/>
+ <elf-symbol name='power_supply_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5939272'/>
+ <elf-symbol name='power_supply_put_battery_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fc6ccdc'/>
+ <elf-symbol name='power_supply_reg_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x136209db'/>
+ <elf-symbol name='power_supply_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62e6d81c'/>
+ <elf-symbol name='power_supply_set_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f689a84'/>
+ <elf-symbol name='power_supply_temp2resist_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b6150fb'/>
+ <elf-symbol name='power_supply_unreg_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b81c38b'/>
+ <elf-symbol name='power_supply_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf08621c8'/>
+ <elf-symbol name='prandom_bytes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa99b39c2'/>
+ <elf-symbol name='prandom_u32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfda9581f'/>
+ <elf-symbol name='preempt_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43b0c9c3'/>
+ <elf-symbol name='preempt_schedule_notrace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf70e4a4d'/>
+ <elf-symbol name='prepare_to_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5fd90f1'/>
+ <elf-symbol name='prepare_to_wait_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c26d495'/>
+ <elf-symbol name='print_hex_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x167c5967'/>
+ <elf-symbol name='printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5850110'/>
+ <elf-symbol name='printk_deferred' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd98307f5'/>
+ <elf-symbol name='printk_timed_ratelimit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cc4a5d'/>
+ <elf-symbol name='proc_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20fd21c6'/>
+ <elf-symbol name='proc_create_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa79bc746'/>
+ <elf-symbol name='proc_create_seq_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b711986'/>
+ <elf-symbol name='proc_create_single_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2df477d3'/>
+ <elf-symbol name='proc_dointvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8181adf'/>
+ <elf-symbol name='proc_dointvec_minmax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cdf87a1'/>
+ <elf-symbol name='proc_dostring' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x319d493d'/>
+ <elf-symbol name='proc_douintvec_minmax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x638aff11'/>
+ <elf-symbol name='proc_mkdir' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18c67997'/>
+ <elf-symbol name='proc_mkdir_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d85f80d'/>
+ <elf-symbol name='proc_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3650068f'/>
+ <elf-symbol name='proc_set_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe2adf78'/>
+ <elf-symbol name='proc_set_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcccf4a5e'/>
+ <elf-symbol name='proc_symlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a5b7ca3'/>
+ <elf-symbol name='profile_event_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa389a49a'/>
+ <elf-symbol name='profile_event_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd391eff'/>
+ <elf-symbol name='proto_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1968dee6'/>
+ <elf-symbol name='proto_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa90509ae'/>
+ <elf-symbol name='ps2_begin_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6e396e1'/>
+ <elf-symbol name='ps2_cmd_aborted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3860ff90'/>
+ <elf-symbol name='ps2_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e2a4723'/>
+ <elf-symbol name='ps2_drain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab42c999'/>
+ <elf-symbol name='ps2_end_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64401f8'/>
+ <elf-symbol name='ps2_handle_ack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b2657a1'/>
+ <elf-symbol name='ps2_handle_response' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf44c8ba8'/>
+ <elf-symbol name='ps2_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d2e860f'/>
+ <elf-symbol name='ps2_sendbyte' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d77669b'/>
+ <elf-symbol name='ps2_sliced_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd808eea'/>
+ <elf-symbol name='pskb_expand_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe83d4f5b'/>
+ <elf-symbol name='pstore_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fa0529d'/>
+ <elf-symbol name='pstore_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8e98846'/>
+ <elf-symbol name='public_key_verify_signature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa5aab4e'/>
+ <elf-symbol name='put_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc44cef7'/>
+ <elf-symbol name='put_disk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f52bf01'/>
+ <elf-symbol name='put_iova_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb75aa2d6'/>
+ <elf-symbol name='put_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3c5d4d0'/>
+ <elf-symbol name='put_sg_io_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ec4aee6'/>
+ <elf-symbol name='put_task_stack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8cd8f63'/>
+ <elf-symbol name='put_tty_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8bcb948'/>
+ <elf-symbol name='put_unused_fd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f4547a7'/>
+ <elf-symbol name='put_vaddr_frames' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b700d37'/>
+ <elf-symbol name='putback_movable_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd6f03f7'/>
+ <elf-symbol name='pwm_adjust_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ef86434'/>
+ <elf-symbol name='pwm_apply_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x340b36c6'/>
+ <elf-symbol name='pwm_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f17c666'/>
+ <elf-symbol name='pwm_get_chip_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a04f5f2'/>
+ <elf-symbol name='pwm_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cae27e4'/>
+ <elf-symbol name='pwm_set_chip_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecfdfdb5'/>
+ <elf-symbol name='pwmchip_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa8d80c7'/>
+ <elf-symbol name='pwmchip_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f033cef'/>
+ <elf-symbol name='qcom_smem_state_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc55d87ed'/>
+ <elf-symbol name='qcom_smem_state_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb68f5ba8'/>
+ <elf-symbol name='qcom_smem_state_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4561f990'/>
+ <elf-symbol name='qcom_smem_state_update_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf730fb4a'/>
+ <elf-symbol name='qdisc_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8cd29835'/>
+ <elf-symbol name='queue_delayed_work_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf57e89e'/>
+ <elf-symbol name='queue_work_on' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x732ac580'/>
+ <elf-symbol name='radix_tree_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e6e4b41'/>
+ <elf-symbol name='radix_tree_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fbc6a00'/>
+ <elf-symbol name='radix_tree_iter_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dc35b25'/>
+ <elf-symbol name='radix_tree_iter_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb55c076'/>
+ <elf-symbol name='radix_tree_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70ad75fb'/>
+ <elf-symbol name='radix_tree_maybe_preload' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb22e16d5'/>
+ <elf-symbol name='radix_tree_next_chunk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c541e7b'/>
+ <elf-symbol name='radix_tree_tagged' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d5f5b91'/>
+ <elf-symbol name='rational_best_approximation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0a0da0c'/>
+ <elf-symbol name='raw_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa851973a'/>
+ <elf-symbol name='raw_notifier_chain_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc9fa232'/>
+ <elf-symbol name='raw_notifier_chain_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd06524ba'/>
+ <elf-symbol name='rb_erase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d9b652b'/>
+ <elf-symbol name='rb_first' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xece784c2'/>
+ <elf-symbol name='rb_first_postorder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee91879b'/>
+ <elf-symbol name='rb_insert_color' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5526619'/>
+ <elf-symbol name='rb_last' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf2c2742'/>
+ <elf-symbol name='rb_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca9360b5'/>
+ <elf-symbol name='rb_next_postorder' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e68e9be'/>
+ <elf-symbol name='rb_prev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf82ec573'/>
+ <elf-symbol name='rb_replace_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fe32873'/>
+ <elf-symbol name='rcu_barrier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60a13e90'/>
+ <elf-symbol name='rcu_barrier_tasks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6f16c56'/>
+ <elf-symbol name='rcu_barrier_tasks_trace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfc7b4e4'/>
+ <elf-symbol name='rcu_bind_current_to_nocb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f83f8d3'/>
+ <elf-symbol name='rcu_expedite_gp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f0748af'/>
+ <elf-symbol name='rcu_force_quiescent_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8924eb1e'/>
+ <elf-symbol name='rcu_fwd_progress_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c1c3725'/>
+ <elf-symbol name='rcu_get_gp_kthreads_prio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x216de4e1'/>
+ <elf-symbol name='rcu_get_gp_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6e40502'/>
+ <elf-symbol name='rcu_gp_is_expedited' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0a96e14'/>
+ <elf-symbol name='rcu_gp_is_normal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4af35c2'/>
+ <elf-symbol name='rcu_gp_set_torture_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2c1732e'/>
+ <elf-symbol name='rcu_idle_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a944007'/>
+ <elf-symbol name='rcu_idle_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfa3a19'/>
+ <elf-symbol name='rcu_inkernel_boot_has_ended' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24da0093'/>
+ <elf-symbol name='rcu_is_watching' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce6db656'/>
+ <elf-symbol name='rcu_jiffies_till_stall_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d510a7b'/>
+ <elf-symbol name='rcu_read_unlock_trace_special' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xacd4e458'/>
+ <elf-symbol name='rcu_unexpedite_gp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bdbac4e'/>
+ <elf-symbol name='rcutorture_get_gp_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e028ae6'/>
+ <elf-symbol name='rcuwait_wake_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4c967b9'/>
+ <elf-symbol name='rdev_get_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0923b25'/>
+ <elf-symbol name='rdev_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2040a8b'/>
+ <elf-symbol name='rdev_get_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3be49688'/>
+ <elf-symbol name='rdev_get_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3504f834'/>
+ <elf-symbol name='read_cache_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81047a03'/>
+ <elf-symbol name='reciprocal_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa965ca81'/>
+ <elf-symbol name='reclaim_shmem_address_space' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89ab4763'/>
+ <elf-symbol name='refcount_dec_and_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9e8aee7'/>
+ <elf-symbol name='refcount_dec_and_mutex_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55eb4a7f'/>
+ <elf-symbol name='refcount_dec_not_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe441e95a'/>
+ <elf-symbol name='refcount_warn_saturate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x296695f'/>
+ <elf-symbol name='refresh_frequency_limits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xded3a73a'/>
+ <elf-symbol name='regcache_cache_bypass' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e28f09'/>
+ <elf-symbol name='regcache_cache_only' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x409477c8'/>
+ <elf-symbol name='regcache_drop_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea1dc82c'/>
+ <elf-symbol name='regcache_mark_dirty' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd0a796f'/>
+ <elf-symbol name='regcache_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x817df507'/>
+ <elf-symbol name='regcache_sync_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae1a517f'/>
+ <elf-symbol name='register_blkdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71a50dbc'/>
+ <elf-symbol name='register_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x645a506c'/>
+ <elf-symbol name='register_chrdev_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fd78f3b'/>
+ <elf-symbol name='register_console' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x644961e8'/>
+ <elf-symbol name='register_die_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6261484'/>
+ <elf-symbol name='register_filesystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b67137e'/>
+ <elf-symbol name='register_ftrace_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9593ef31'/>
+ <elf-symbol name='register_inet6addr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60352082'/>
+ <elf-symbol name='register_inetaddr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf68285c0'/>
+ <elf-symbol name='register_kernel_break_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf42b9584'/>
+ <elf-symbol name='register_kprobe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc502eb6d'/>
+ <elf-symbol name='register_kretprobe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x881262d4'/>
+ <elf-symbol name='register_memory_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa770832'/>
+ <elf-symbol name='register_module_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf353a698'/>
+ <elf-symbol name='register_net_sysctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3fe54ad'/>
+ <elf-symbol name='register_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0420543'/>
+ <elf-symbol name='register_netdevice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc39e19e1'/>
+ <elf-symbol name='register_netdevice_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd2da1048'/>
+ <elf-symbol name='register_netevent_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4761f17c'/>
+ <elf-symbol name='register_oom_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x622c7922'/>
+ <elf-symbol name='register_pernet_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c95853b'/>
+ <elf-symbol name='register_pernet_subsys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc89f14b4'/>
+ <elf-symbol name='register_pm_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cc4f70a'/>
+ <elf-symbol name='register_qdisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe918f6f3'/>
+ <elf-symbol name='register_reboot_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3517383e'/>
+ <elf-symbol name='register_restart_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9d8fd16'/>
+ <elf-symbol name='register_shrinker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11269594'/>
+ <elf-symbol name='register_syscore_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9c425de'/>
+ <elf-symbol name='register_sysctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cd91791'/>
+ <elf-symbol name='register_sysctl_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a449c4f'/>
+ <elf-symbol name='register_virtio_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7331947d'/>
+ <elf-symbol name='register_virtio_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f7c6c96'/>
+ <elf-symbol name='register_vmap_purge_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26ed2186'/>
+ <elf-symbol name='regmap_add_irq_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x872b438'/>
+ <elf-symbol name='regmap_async_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x758b0364'/>
+ <elf-symbol name='regmap_attach_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e08c927'/>
+ <elf-symbol name='regmap_bulk_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56b78be4'/>
+ <elf-symbol name='regmap_bulk_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbaad388d'/>
+ <elf-symbol name='regmap_check_range_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe313ff78'/>
+ <elf-symbol name='regmap_del_irq_chip' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x131a5ed7'/>
+ <elf-symbol name='regmap_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8c753c'/>
+ <elf-symbol name='regmap_field_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8f9964e'/>
+ <elf-symbol name='regmap_field_update_bits_base' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39c8506a'/>
+ <elf-symbol name='regmap_get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cbae6a2'/>
+ <elf-symbol name='regmap_irq_get_domain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac74e4f1'/>
+ <elf-symbol name='regmap_irq_get_virq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55784228'/>
+ <elf-symbol name='regmap_mmio_detach_clk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefe210f0'/>
+ <elf-symbol name='regmap_multi_reg_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf98baa9f'/>
+ <elf-symbol name='regmap_multi_reg_write_bypassed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2458ef42'/>
+ <elf-symbol name='regmap_raw_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bfd66c5'/>
+ <elf-symbol name='regmap_raw_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69bf626d'/>
+ <elf-symbol name='regmap_raw_write_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c33e75f'/>
+ <elf-symbol name='regmap_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d2aa62'/>
+ <elf-symbol name='regmap_register_patch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf12c90'/>
+ <elf-symbol name='regmap_update_bits_base' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3dfeaa4'/>
+ <elf-symbol name='regmap_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea78f66e'/>
+ <elf-symbol name='regulator_allow_bypass' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe36c948d'/>
+ <elf-symbol name='regulator_bulk_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe69deff'/>
+ <elf-symbol name='regulator_bulk_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d7debc1'/>
+ <elf-symbol name='regulator_bulk_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d0b763b'/>
+ <elf-symbol name='regulator_count_voltages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0b87cc9'/>
+ <elf-symbol name='regulator_desc_list_voltage_linear_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc50dd64b'/>
+ <elf-symbol name='regulator_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c8362b4'/>
+ <elf-symbol name='regulator_disable_deferred' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ce703dd'/>
+ <elf-symbol name='regulator_disable_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e9e82cf'/>
+ <elf-symbol name='regulator_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3bd923d'/>
+ <elf-symbol name='regulator_enable_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca54496'/>
+ <elf-symbol name='regulator_force_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69f59f0b'/>
+ <elf-symbol name='regulator_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbddc967'/>
+ <elf-symbol name='regulator_get_current_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c55a9b8'/>
+ <elf-symbol name='regulator_get_current_limit_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e7b742c'/>
+ <elf-symbol name='regulator_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9874bae'/>
+ <elf-symbol name='regulator_get_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x320f1119'/>
+ <elf-symbol name='regulator_get_optional' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23a53f57'/>
+ <elf-symbol name='regulator_get_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89a8e255'/>
+ <elf-symbol name='regulator_get_voltage_rdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7c86df'/>
+ <elf-symbol name='regulator_get_voltage_sel_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6d2a195'/>
+ <elf-symbol name='regulator_is_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f1fa27c'/>
+ <elf-symbol name='regulator_is_enabled_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd798e4ed'/>
+ <elf-symbol name='regulator_is_supported_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbe213d9'/>
+ <elf-symbol name='regulator_list_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd298e83'/>
+ <elf-symbol name='regulator_list_voltage_linear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e6cb2a8'/>
+ <elf-symbol name='regulator_list_voltage_linear_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2775665'/>
+ <elf-symbol name='regulator_list_voltage_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ed4ee81'/>
+ <elf-symbol name='regulator_map_voltage_ascend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dc39788'/>
+ <elf-symbol name='regulator_map_voltage_iterate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x504a9f60'/>
+ <elf-symbol name='regulator_map_voltage_linear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xed6c051a'/>
+ <elf-symbol name='regulator_map_voltage_linear_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76e5d597'/>
+ <elf-symbol name='regulator_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1718cd23'/>
+ <elf-symbol name='regulator_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcd3f0fc'/>
+ <elf-symbol name='regulator_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd625d7ae'/>
+ <elf-symbol name='regulator_register_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74d65fb6'/>
+ <elf-symbol name='regulator_set_active_discharge_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2311fff'/>
+ <elf-symbol name='regulator_set_current_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf024d2b7'/>
+ <elf-symbol name='regulator_set_current_limit_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13adf665'/>
+ <elf-symbol name='regulator_set_load' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdb1494f'/>
+ <elf-symbol name='regulator_set_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac092213'/>
+ <elf-symbol name='regulator_set_pull_down_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x891c7fe2'/>
+ <elf-symbol name='regulator_set_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f258f19'/>
+ <elf-symbol name='regulator_set_voltage_sel_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50ba0d14'/>
+ <elf-symbol name='regulator_set_voltage_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd508d68a'/>
+ <elf-symbol name='regulator_set_voltage_time_sel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55f01453'/>
+ <elf-symbol name='regulator_sync_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a300b2e'/>
+ <elf-symbol name='regulator_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccc2b873'/>
+ <elf-symbol name='regulator_unregister_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c4fb059'/>
+ <elf-symbol name='release_firmware' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6d09aa9'/>
+ <elf-symbol name='release_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eefcb0d'/>
+ <elf-symbol name='release_sock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29fe9eb7'/>
+ <elf-symbol name='remap_pfn_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x723d2d0b'/>
+ <elf-symbol name='remap_vmalloc_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf31d6189'/>
+ <elf-symbol name='remove_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad4e6259'/>
+ <elf-symbol name='remove_memory_subsection' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x742b8f16'/>
+ <elf-symbol name='remove_proc_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c651057'/>
+ <elf-symbol name='remove_proc_subtree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x52386c11'/>
+ <elf-symbol name='remove_wait_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37110088'/>
+ <elf-symbol name='report_iommu_fault' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68fd9b67'/>
+ <elf-symbol name='request_any_context_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3043ff9'/>
+ <elf-symbol name='request_firmware' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92d08abd'/>
+ <elf-symbol name='request_firmware_direct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4febe59f'/>
+ <elf-symbol name='request_firmware_into_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68f6cf3'/>
+ <elf-symbol name='request_firmware_nowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d3e320e'/>
+ <elf-symbol name='request_threaded_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2072ee9b'/>
+ <elf-symbol name='resched_curr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5b2abe2'/>
+ <elf-symbol name='reset_control_assert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c4b6684'/>
+ <elf-symbol name='reset_control_deassert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2210d64'/>
+ <elf-symbol name='reset_control_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40f0683e'/>
+ <elf-symbol name='reset_control_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24f39c39'/>
+ <elf-symbol name='reset_controller_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d64db83'/>
+ <elf-symbol name='reset_controller_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe72e1680'/>
+ <elf-symbol name='resume_cpus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b491092'/>
+ <elf-symbol name='return_address' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb917b6d7'/>
+ <elf-symbol name='revalidate_disk_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d63e7da'/>
+ <elf-symbol name='rfkill_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fcf12af'/>
+ <elf-symbol name='rfkill_blocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0763484'/>
+ <elf-symbol name='rfkill_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb68bbad'/>
+ <elf-symbol name='rfkill_find_type' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50b73ce2'/>
+ <elf-symbol name='rfkill_init_sw_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaad6d92f'/>
+ <elf-symbol name='rfkill_pause_polling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3939f8f0'/>
+ <elf-symbol name='rfkill_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25277497'/>
+ <elf-symbol name='rfkill_resume_polling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc781bd9f'/>
+ <elf-symbol name='rfkill_set_hw_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97999817'/>
+ <elf-symbol name='rfkill_set_sw_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a490c90'/>
+ <elf-symbol name='rfkill_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83eb21c'/>
+ <elf-symbol name='rhashtable_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa5363bc'/>
+ <elf-symbol name='rhashtable_free_and_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f09093'/>
+ <elf-symbol name='rhashtable_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e449fb4'/>
+ <elf-symbol name='rhashtable_insert_slow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe086059f'/>
+ <elf-symbol name='rhltable_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc73580c5'/>
+ <elf-symbol name='rht_bucket_nested' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7f990e9'/>
+ <elf-symbol name='rht_bucket_nested_insert' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9920ae2a'/>
+ <elf-symbol name='rndis_deregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfd2cc6a'/>
+ <elf-symbol name='rndis_free_response' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c587ad'/>
+ <elf-symbol name='rndis_get_next_response' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96d79dfc'/>
+ <elf-symbol name='rndis_msg_parser' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c224c8e'/>
+ <elf-symbol name='rndis_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3776cc2f'/>
+ <elf-symbol name='rndis_set_host_mac' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc358924'/>
+ <elf-symbol name='rndis_set_param_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e3e25ae'/>
+ <elf-symbol name='rndis_set_param_medium' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbeda84e'/>
+ <elf-symbol name='rndis_set_param_vendor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd16c7930'/>
+ <elf-symbol name='rndis_signal_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1cfdd1d'/>
+ <elf-symbol name='rndis_uninit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e982ffe'/>
+ <elf-symbol name='round_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91eb9b4'/>
+ <elf-symbol name='round_jiffies_relative' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1eb9516e'/>
+ <elf-symbol name='round_jiffies_up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50fad434'/>
+ <elf-symbol name='rpmsg_create_ept' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7136ae17'/>
+ <elf-symbol name='rpmsg_destroy_ept' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a99e2f3'/>
+ <elf-symbol name='rpmsg_find_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b3696fb'/>
+ <elf-symbol name='rpmsg_get_signals' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe380b6c5'/>
+ <elf-symbol name='rpmsg_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c9d8e4'/>
+ <elf-symbol name='rpmsg_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3705e77b'/>
+ <elf-symbol name='rpmsg_send' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf38ca6cf'/>
+ <elf-symbol name='rpmsg_sendto' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40b44740'/>
+ <elf-symbol name='rpmsg_set_signals' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c5444f2'/>
+ <elf-symbol name='rpmsg_trysend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd45e13fe'/>
+ <elf-symbol name='rpmsg_trysendto' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57893a94'/>
+ <elf-symbol name='rpmsg_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c50fadd'/>
+ <elf-symbol name='rproc_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f5bc6c5'/>
+ <elf-symbol name='rproc_add_carveout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc93e7f24'/>
+ <elf-symbol name='rproc_add_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x916b44f8'/>
+ <elf-symbol name='rproc_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24efbe5'/>
+ <elf-symbol name='rproc_boot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa67a6a6c'/>
+ <elf-symbol name='rproc_coredump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x351fbbbf'/>
+ <elf-symbol name='rproc_coredump_add_custom_segment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb066316f'/>
+ <elf-symbol name='rproc_coredump_add_segment' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5073684'/>
+ <elf-symbol name='rproc_coredump_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x264475a2'/>
+ <elf-symbol name='rproc_coredump_set_elf_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x13c2c987'/>
+ <elf-symbol name='rproc_coredump_using_sections' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f2ae25f'/>
+ <elf-symbol name='rproc_da_to_va' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x408853ba'/>
+ <elf-symbol name='rproc_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa14eae8a'/>
+ <elf-symbol name='rproc_elf_find_loaded_rsc_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e0bc9d6'/>
+ <elf-symbol name='rproc_elf_get_boot_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12921c37'/>
+ <elf-symbol name='rproc_elf_load_rsc_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2862dcf9'/>
+ <elf-symbol name='rproc_elf_load_segments' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x765aaea6'/>
+ <elf-symbol name='rproc_elf_sanity_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf48cefe4'/>
+ <elf-symbol name='rproc_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2be53a34'/>
+ <elf-symbol name='rproc_get_by_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85b52abb'/>
+ <elf-symbol name='rproc_get_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5982f15'/>
+ <elf-symbol name='rproc_mem_entry_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x275cf519'/>
+ <elf-symbol name='rproc_of_parse_firmware' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85c14bb5'/>
+ <elf-symbol name='rproc_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2252a67a'/>
+ <elf-symbol name='rproc_remove_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b7b79e2'/>
+ <elf-symbol name='rproc_report_crash' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c1dd63e'/>
+ <elf-symbol name='rproc_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb731f6c5'/>
+ <elf-symbol name='rproc_vq_interrupt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28751d19'/>
+ <elf-symbol name='rq_flush_dcache_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f373197'/>
+ <elf-symbol name='rt_mutex_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44e32dab'/>
+ <elf-symbol name='rt_mutex_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7dbcc25a'/>
+ <elf-symbol name='rt_mutex_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x925133f'/>
+ <elf-symbol name='rtc_class_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf33974ce'/>
+ <elf-symbol name='rtc_class_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb620c4e8'/>
+ <elf-symbol name='rtc_ktime_to_tm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4c2c66c'/>
+ <elf-symbol name='rtc_nvmem_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6052639'/>
+ <elf-symbol name='rtc_read_alarm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x612d5db2'/>
+ <elf-symbol name='rtc_read_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x174b1e4f'/>
+ <elf-symbol name='rtc_set_alarm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f783149'/>
+ <elf-symbol name='rtc_set_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4559b499'/>
+ <elf-symbol name='rtc_time64_to_tm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x356461c8'/>
+ <elf-symbol name='rtc_tm_to_ktime' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23412816'/>
+ <elf-symbol name='rtc_tm_to_time64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f2250ba'/>
+ <elf-symbol name='rtc_update_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbd12ee6'/>
+ <elf-symbol name='rtc_valid_tm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5838f6c9'/>
+ <elf-symbol name='rtc_year_days' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4859b8bb'/>
+ <elf-symbol name='rtnl_is_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85670f1d'/>
+ <elf-symbol name='rtnl_link_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6467c438'/>
+ <elf-symbol name='rtnl_link_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2aeadb4f'/>
+ <elf-symbol name='rtnl_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7a4fbed'/>
+ <elf-symbol name='rtnl_register_module' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa887f03b'/>
+ <elf-symbol name='rtnl_trylock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4f14de6'/>
+ <elf-symbol name='rtnl_unicast' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb6d6481a'/>
+ <elf-symbol name='rtnl_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e720ff2'/>
+ <elf-symbol name='rtnl_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b52e38'/>
+ <elf-symbol name='sb800_prefetch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35393e45'/>
+ <elf-symbol name='sbitmap_add_wait_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40b43bd0'/>
+ <elf-symbol name='sbitmap_any_bit_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42230915'/>
+ <elf-symbol name='sbitmap_del_wait_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c212744'/>
+ <elf-symbol name='sbitmap_init_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2fb72e9b'/>
+ <elf-symbol name='sbitmap_queue_clear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeaad96f9'/>
+ <elf-symbol name='sbitmap_queue_init_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ae4191f'/>
+ <elf-symbol name='sbitmap_queue_min_shallow_depth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b4c9ba9'/>
+ <elf-symbol name='sbitmap_queue_resize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9d5d879'/>
+ <elf-symbol name='sbitmap_queue_show' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42f75cea'/>
+ <elf-symbol name='scatterwalk_ffwd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5bbdfa26'/>
+ <elf-symbol name='scatterwalk_map_and_copy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x845dbf3b'/>
+ <elf-symbol name='sched_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd653b126'/>
+ <elf-symbol name='sched_set_fifo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x964b323d'/>
+ <elf-symbol name='sched_set_fifo_low' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fc66195'/>
+ <elf-symbol name='sched_set_normal' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc52b19c6'/>
+ <elf-symbol name='sched_setattr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5791aa7'/>
+ <elf-symbol name='sched_setattr_nocheck' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b367a60'/>
+ <elf-symbol name='sched_setscheduler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53a8a11d'/>
+ <elf-symbol name='sched_setscheduler_nocheck' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7462141'/>
+ <elf-symbol name='sched_show_task' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2278058'/>
+ <elf-symbol name='sched_trace_cfs_rq_avg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaee0c097'/>
+ <elf-symbol name='sched_trace_cfs_rq_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97287011'/>
+ <elf-symbol name='sched_trace_cfs_rq_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe83599a8'/>
+ <elf-symbol name='sched_trace_rd_span' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63069a86'/>
+ <elf-symbol name='sched_trace_rq_avg_dl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4acd2ce'/>
+ <elf-symbol name='sched_trace_rq_avg_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88d83db4'/>
+ <elf-symbol name='sched_trace_rq_avg_rt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa760ed8d'/>
+ <elf-symbol name='sched_trace_rq_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c10134e'/>
+ <elf-symbol name='schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1000e51'/>
+ <elf-symbol name='schedule_hrtimeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a460dc5'/>
+ <elf-symbol name='schedule_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ddd8aad'/>
+ <elf-symbol name='schedule_timeout_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54496b4'/>
+ <elf-symbol name='schedule_timeout_uninterruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x151f4898'/>
+ <elf-symbol name='schedutil_cpu_util' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7866b0f'/>
+ <elf-symbol name='scmi_driver_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd735b621'/>
+ <elf-symbol name='scmi_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8424e604'/>
+ <elf-symbol name='scmi_protocol_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc022bb8'/>
+ <elf-symbol name='scmi_protocol_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f2855a5'/>
+ <elf-symbol name='scnprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96848186'/>
+ <elf-symbol name='scsi_add_host_with_dma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x958fcdf2'/>
+ <elf-symbol name='scsi_autopm_get_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b57bf92'/>
+ <elf-symbol name='scsi_autopm_put_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b1cf194'/>
+ <elf-symbol name='scsi_block_requests' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x999377d'/>
+ <elf-symbol name='scsi_block_when_processing_errors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f193fbc'/>
+ <elf-symbol name='scsi_change_queue_depth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x969be5f3'/>
+ <elf-symbol name='scsi_compat_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ad9174c'/>
+ <elf-symbol name='scsi_device_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62a819e9'/>
+ <elf-symbol name='scsi_device_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5ae3dd8'/>
+ <elf-symbol name='scsi_device_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20269de5'/>
+ <elf-symbol name='scsi_device_quiesce' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x834de754'/>
+ <elf-symbol name='scsi_dma_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1762f1f6'/>
+ <elf-symbol name='scsi_dma_unmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x228b3043'/>
+ <elf-symbol name='scsi_eh_ready_devs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcab8a08a'/>
+ <elf-symbol name='scsi_host_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x763b5f61'/>
+ <elf-symbol name='scsi_host_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda60261'/>
+ <elf-symbol name='scsi_host_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54c5e58c'/>
+ <elf-symbol name='scsi_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa895816a'/>
+ <elf-symbol name='scsi_ioctl_block_when_processing_errors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a416284'/>
+ <elf-symbol name='scsi_is_host_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2de8e4cb'/>
+ <elf-symbol name='scsi_normalize_sense' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbad3cf0'/>
+ <elf-symbol name='scsi_print_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa204f4fe'/>
+ <elf-symbol name='scsi_print_sense_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9160a1ae'/>
+ <elf-symbol name='scsi_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5165226b'/>
+ <elf-symbol name='scsi_register_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92bf75c7'/>
+ <elf-symbol name='scsi_remove_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad318138'/>
+ <elf-symbol name='scsi_remove_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x251ddf69'/>
+ <elf-symbol name='scsi_report_bus_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x160e40af'/>
+ <elf-symbol name='scsi_scan_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x779a1f94'/>
+ <elf-symbol name='scsi_unblock_requests' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c66d363'/>
+ <elf-symbol name='sdev_prefix_printk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3100a76'/>
+ <elf-symbol name='sdhci_add_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2e903f8'/>
+ <elf-symbol name='sdhci_adma_write_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55e8da2f'/>
+ <elf-symbol name='sdhci_cleanup_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37490426'/>
+ <elf-symbol name='sdhci_cqe_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad1e8eb8'/>
+ <elf-symbol name='sdhci_cqe_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x52047ddb'/>
+ <elf-symbol name='sdhci_cqe_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b252238'/>
+ <elf-symbol name='sdhci_dumpregs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x706d7e18'/>
+ <elf-symbol name='sdhci_enable_clk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66feb3e3'/>
+ <elf-symbol name='sdhci_enable_v4_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51c10e74'/>
+ <elf-symbol name='sdhci_execute_tuning' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdb79a663'/>
+ <elf-symbol name='sdhci_get_property' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe615e6fb'/>
+ <elf-symbol name='sdhci_pltfm_clk_get_max_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf48ac8b0'/>
+ <elf-symbol name='sdhci_pltfm_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef15dce2'/>
+ <elf-symbol name='sdhci_pltfm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x388347e8'/>
+ <elf-symbol name='sdhci_pltfm_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ece9464'/>
+ <elf-symbol name='sdhci_remove_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x546c283b'/>
+ <elf-symbol name='sdhci_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95267c66'/>
+ <elf-symbol name='sdhci_request_atomic' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b38beca'/>
+ <elf-symbol name='sdhci_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfb9ba97'/>
+ <elf-symbol name='sdhci_resume_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc91f5389'/>
+ <elf-symbol name='sdhci_runtime_resume_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x458eb912'/>
+ <elf-symbol name='sdhci_runtime_suspend_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x164a5bca'/>
+ <elf-symbol name='sdhci_set_bus_width' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab28f19d'/>
+ <elf-symbol name='sdhci_set_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3be945b'/>
+ <elf-symbol name='sdhci_set_power_and_bus_voltage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40e4a79f'/>
+ <elf-symbol name='sdhci_set_power_noreg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12344b39'/>
+ <elf-symbol name='sdhci_set_uhs_signaling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x185dcb11'/>
+ <elf-symbol name='sdhci_setup_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c562f4c'/>
+ <elf-symbol name='sdhci_suspend_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x247c8b7b'/>
+ <elf-symbol name='sdio_claim_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b3810bc'/>
+ <elf-symbol name='sdio_claim_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaccb9bd4'/>
+ <elf-symbol name='sdio_disable_func' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b3d6f74'/>
+ <elf-symbol name='sdio_enable_func' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b3c936d'/>
+ <elf-symbol name='sdio_f0_readb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9ee2347'/>
+ <elf-symbol name='sdio_f0_writeb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d124c14'/>
+ <elf-symbol name='sdio_get_host_pm_caps' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x874fe2a0'/>
+ <elf-symbol name='sdio_memcpy_fromio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x789791ca'/>
+ <elf-symbol name='sdio_memcpy_toio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6012e3d3'/>
+ <elf-symbol name='sdio_readb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9a0305b'/>
+ <elf-symbol name='sdio_readl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb87e3a23'/>
+ <elf-symbol name='sdio_readsb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf5d9150'/>
+ <elf-symbol name='sdio_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5855430'/>
+ <elf-symbol name='sdio_release_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd822fe69'/>
+ <elf-symbol name='sdio_release_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35535c64'/>
+ <elf-symbol name='sdio_set_block_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8ce5a3e'/>
+ <elf-symbol name='sdio_set_host_pm_flags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb31f951c'/>
+ <elf-symbol name='sdio_signal_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc43bf18'/>
+ <elf-symbol name='sdio_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x114763de'/>
+ <elf-symbol name='sdio_writeb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41c02df5'/>
+ <elf-symbol name='sdio_writeb_readb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31450a32'/>
+ <elf-symbol name='sdio_writel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ccb0e9d'/>
+ <elf-symbol name='sdio_writesb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9a43a63'/>
+ <elf-symbol name='securityfs_create_dir' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c6b0200'/>
+ <elf-symbol name='securityfs_create_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2a400c64'/>
+ <elf-symbol name='securityfs_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3883ba7c'/>
+ <elf-symbol name='send_sig' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cd9acd3'/>
+ <elf-symbol name='send_sig_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1be60ebd'/>
+ <elf-symbol name='seq_buf_printf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe397caf5'/>
+ <elf-symbol name='seq_file_path' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x648270be'/>
+ <elf-symbol name='seq_hex_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe24ebce2'/>
+ <elf-symbol name='seq_list_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7d4daac'/>
+ <elf-symbol name='seq_list_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff1e9dd8'/>
+ <elf-symbol name='seq_lseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xad9f2705'/>
+ <elf-symbol name='seq_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14ac9890'/>
+ <elf-symbol name='seq_open_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97abab4a'/>
+ <elf-symbol name='seq_printf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd740362b'/>
+ <elf-symbol name='seq_putc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc20708f'/>
+ <elf-symbol name='seq_puts' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2aa781e'/>
+ <elf-symbol name='seq_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9997d36'/>
+ <elf-symbol name='seq_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf99893f'/>
+ <elf-symbol name='seq_release_private' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6aba69de'/>
+ <elf-symbol name='seq_vprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc724561'/>
+ <elf-symbol name='seq_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d51bcc0'/>
+ <elf-symbol name='serdev_device_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea5b479e'/>
+ <elf-symbol name='serdev_device_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3d61c9c'/>
+ <elf-symbol name='serdev_device_set_baudrate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2960c4d8'/>
+ <elf-symbol name='serdev_device_set_flow_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4597f322'/>
+ <elf-symbol name='serdev_device_wait_until_sent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1dc8427'/>
+ <elf-symbol name='serdev_device_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6e88025f'/>
+ <elf-symbol name='serdev_device_write_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce338a35'/>
+ <elf-symbol name='serial8250_clear_and_reinit_fifos' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfb65600'/>
+ <elf-symbol name='serial8250_do_pm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc03f8e'/>
+ <elf-symbol name='serial8250_do_set_divisor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b951206'/>
+ <elf-symbol name='serial8250_do_set_ldisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90d384b4'/>
+ <elf-symbol name='serial8250_do_set_termios' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87a6cb20'/>
+ <elf-symbol name='serial8250_do_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcca83862'/>
+ <elf-symbol name='serial8250_do_startup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x264a50bd'/>
+ <elf-symbol name='serial8250_get_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8e14e2f'/>
+ <elf-symbol name='serial8250_handle_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdcf52568'/>
+ <elf-symbol name='serial8250_register_8250_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xebcd3ec8'/>
+ <elf-symbol name='serial8250_resume_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7208c3a'/>
+ <elf-symbol name='serial8250_rpm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5759155a'/>
+ <elf-symbol name='serial8250_rpm_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2f35b93'/>
+ <elf-symbol name='serial8250_suspend_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc248d26'/>
+ <elf-symbol name='serial8250_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcefcd99a'/>
+ <elf-symbol name='serial8250_update_uartclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b262c64'/>
+ <elf-symbol name='serio_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb90fd3a'/>
+ <elf-symbol name='serio_interrupt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5487ff78'/>
+ <elf-symbol name='serio_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89aaf775'/>
+ <elf-symbol name='serio_reconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf965193b'/>
+ <elf-symbol name='serio_rescan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x921451ed'/>
+ <elf-symbol name='serio_unregister_child_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6d97132'/>
+ <elf-symbol name='serio_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f05dd0'/>
+ <elf-symbol name='serio_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9bca063'/>
+ <elf-symbol name='set_blocksize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46391f0b'/>
+ <elf-symbol name='set_capacity_revalidate_and_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfcaae18'/>
+ <elf-symbol name='set_cpus_allowed_ptr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42f1936'/>
+ <elf-symbol name='set_disk_ro' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b429549'/>
+ <elf-symbol name='set_freezable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e61bb05'/>
+ <elf-symbol name='set_normalized_timespec64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x365acda7'/>
+ <elf-symbol name='set_page_dirty' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeddd9c27'/>
+ <elf-symbol name='set_page_dirty_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37435e08'/>
+ <elf-symbol name='set_task_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4404faa'/>
+ <elf-symbol name='set_user_nice' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x413273bd'/>
+ <elf-symbol name='sg_alloc_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a2f6702'/>
+ <elf-symbol name='sg_alloc_table_from_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x753d5353'/>
+ <elf-symbol name='sg_copy_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x905695ab'/>
+ <elf-symbol name='sg_copy_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b8ab42'/>
+ <elf-symbol name='sg_free_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f5b4fe4'/>
+ <elf-symbol name='sg_init_one' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb320cc0e'/>
+ <elf-symbol name='sg_init_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf888ca21'/>
+ <elf-symbol name='sg_last' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5f7e801'/>
+ <elf-symbol name='sg_miter_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x290f2ad7'/>
+ <elf-symbol name='sg_miter_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea1aa32a'/>
+ <elf-symbol name='sg_miter_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa77c6467'/>
+ <elf-symbol name='sg_nents_for_len' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4230a8d7'/>
+ <elf-symbol name='sg_next' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87b8798d'/>
+ <elf-symbol name='sg_pcopy_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0fe8d51'/>
+ <elf-symbol name='sg_pcopy_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea778fab'/>
+ <elf-symbol name='sg_scsi_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93de4b8c'/>
+ <elf-symbol name='sg_zero_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d192c70'/>
+ <elf-symbol name='sget_fc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d8c2e8'/>
+ <elf-symbol name='sgl_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a13f54a'/>
+ <elf-symbol name='sgl_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x840342c6'/>
+ <elf-symbol name='sha1_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50624917'/>
+ <elf-symbol name='sha1_transform' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e0ccb9f'/>
+ <elf-symbol name='sha224_final' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa3fea172'/>
+ <elf-symbol name='sha256' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe39b2ea5'/>
+ <elf-symbol name='sha256_block_data_order' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb455924d'/>
+ <elf-symbol name='sha256_final' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61e272c9'/>
+ <elf-symbol name='sha256_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b5b8f31'/>
+ <elf-symbol name='shash_free_singlespawn_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c610c3'/>
+ <elf-symbol name='shash_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x937a32bd'/>
+ <elf-symbol name='shmem_file_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d6a8c3d'/>
+ <elf-symbol name='shmem_mark_page_lazyfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf81c42a3'/>
+ <elf-symbol name='shmem_read_mapping_page_gfp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6b9c53c'/>
+ <elf-symbol name='shmem_truncate_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1adea5fe'/>
+ <elf-symbol name='show_rcu_gp_kthreads' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f6a07fe'/>
+ <elf-symbol name='show_regs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17df5a72'/>
+ <elf-symbol name='si_mem_available' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x785a93b4'/>
+ <elf-symbol name='si_meminfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40c7247c'/>
+ <elf-symbol name='si_swapinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec13c83c'/>
+ <elf-symbol name='sigprocmask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a5fa363'/>
+ <elf-symbol name='simple_attr_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbf27df8c'/>
+ <elf-symbol name='simple_attr_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a788936'/>
+ <elf-symbol name='simple_attr_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb895e94'/>
+ <elf-symbol name='simple_attr_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9bf06e9'/>
+ <elf-symbol name='simple_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x896f768'/>
+ <elf-symbol name='simple_read_from_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x619cb7dd'/>
+ <elf-symbol name='simple_statfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4213c805'/>
+ <elf-symbol name='simple_strtol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb742fd7'/>
+ <elf-symbol name='simple_strtoll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7e56a4e'/>
+ <elf-symbol name='simple_strtoul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20000329'/>
+ <elf-symbol name='simple_strtoull' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61b7b126'/>
+ <elf-symbol name='simple_write_to_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb4f4766'/>
+ <elf-symbol name='single_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f731e2b'/>
+ <elf-symbol name='single_open_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6503cb62'/>
+ <elf-symbol name='single_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef42eddb'/>
+ <elf-symbol name='sk_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20d4e2ac'/>
+ <elf-symbol name='sk_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d3da57f'/>
+ <elf-symbol name='skb_add_rx_frag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda4b17f'/>
+ <elf-symbol name='skb_append_pagefrags' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62ca591f'/>
+ <elf-symbol name='skb_checksum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfc5bcb4'/>
+ <elf-symbol name='skb_checksum_help' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fd1ad31'/>
+ <elf-symbol name='skb_clone' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3801bb9b'/>
+ <elf-symbol name='skb_clone_sk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5cb2398'/>
+ <elf-symbol name='skb_coalesce_rx_frag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3f7e618'/>
+ <elf-symbol name='skb_complete_wifi_ack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x622aca78'/>
+ <elf-symbol name='skb_copy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1696ca29'/>
+ <elf-symbol name='skb_copy_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14a7727f'/>
+ <elf-symbol name='skb_copy_datagram_iter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfffc13e'/>
+ <elf-symbol name='skb_copy_expand' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeef1b69f'/>
+ <elf-symbol name='skb_copy_ubufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87b7c32d'/>
+ <elf-symbol name='skb_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6632d00d'/>
+ <elf-symbol name='skb_dequeue_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc9fe5fe'/>
+ <elf-symbol name='skb_dump' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8748fad'/>
+ <elf-symbol name='skb_ensure_writable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3ec7c9ca'/>
+ <elf-symbol name='skb_free_datagram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8245616'/>
+ <elf-symbol name='skb_page_frag_refill' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19578bb6'/>
+ <elf-symbol name='skb_partial_csum_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4b47260'/>
+ <elf-symbol name='skb_pull' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5ab3a92'/>
+ <elf-symbol name='skb_pull_rcsum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79770ebf'/>
+ <elf-symbol name='skb_push' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e381158'/>
+ <elf-symbol name='skb_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x890c62fc'/>
+ <elf-symbol name='skb_queue_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x590942c6'/>
+ <elf-symbol name='skb_queue_purge' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe27ed167'/>
+ <elf-symbol name='skb_queue_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca920659'/>
+ <elf-symbol name='skb_realloc_headroom' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8b90bc7'/>
+ <elf-symbol name='skb_recv_datagram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfcdb78a2'/>
+ <elf-symbol name='skb_set_owner_w' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8c67c3d'/>
+ <elf-symbol name='skb_store_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaeecf86a'/>
+ <elf-symbol name='skb_to_sgvec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb95ecdb'/>
+ <elf-symbol name='skb_trim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30d4bf39'/>
+ <elf-symbol name='skb_tstamp_tx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c8d6df5'/>
+ <elf-symbol name='skb_unlink' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5acf6dd'/>
+ <elf-symbol name='skcipher_alloc_instance_simple' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40502658'/>
+ <elf-symbol name='skcipher_register_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x38a5bc44'/>
+ <elf-symbol name='skcipher_walk_aead_decrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6d883b6'/>
+ <elf-symbol name='skcipher_walk_aead_encrypt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x290be80'/>
+ <elf-symbol name='skcipher_walk_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac438b11'/>
+ <elf-symbol name='skcipher_walk_virt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd35c3d4d'/>
+ <elf-symbol name='skip_spaces' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0a91bab'/>
+ <elf-symbol name='smp_call_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0eae826'/>
+ <elf-symbol name='smp_call_function_any' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8efd59ac'/>
+ <elf-symbol name='smp_call_function_many' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2df8e9a'/>
+ <elf-symbol name='smp_call_function_single' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6228c21f'/>
+ <elf-symbol name='smp_call_function_single_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a1cd340'/>
+ <elf-symbol name='smp_call_on_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x267df662'/>
+ <elf-symbol name='smpboot_register_percpu_thread' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8dd3469d'/>
+ <elf-symbol name='smpboot_unregister_percpu_thread' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc56db'/>
+ <elf-symbol name='snd_card_add_dev_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x388ab6e8'/>
+ <elf-symbol name='snd_card_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe26c968c'/>
+ <elf-symbol name='snd_card_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9348463f'/>
+ <elf-symbol name='snd_card_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d885b0f'/>
+ <elf-symbol name='snd_card_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f80a2eb'/>
+ <elf-symbol name='snd_card_rw_proc_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8805aaf7'/>
+ <elf-symbol name='snd_component_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14e43f0d'/>
+ <elf-symbol name='snd_compr_stop_error' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x760c450e'/>
+ <elf-symbol name='snd_ctl_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd3872b5'/>
+ <elf-symbol name='snd_ctl_add_vmaster_hook' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x539343ed'/>
+ <elf-symbol name='snd_ctl_apply_vmaster_followers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd43f74fb'/>
+ <elf-symbol name='snd_ctl_boolean_mono_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20bb3709'/>
+ <elf-symbol name='snd_ctl_boolean_stereo_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe71881a7'/>
+ <elf-symbol name='snd_ctl_enum_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc6a729f'/>
+ <elf-symbol name='snd_ctl_find_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf8f8c370'/>
+ <elf-symbol name='snd_ctl_make_virtual_master' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecb306d0'/>
+ <elf-symbol name='snd_ctl_new1' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xada0313a'/>
+ <elf-symbol name='snd_ctl_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe78ee956'/>
+ <elf-symbol name='snd_ctl_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22f5d355'/>
+ <elf-symbol name='snd_ctl_remove_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5218e0a0'/>
+ <elf-symbol name='snd_ctl_sync_vmaster' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96ddc316'/>
+ <elf-symbol name='snd_device_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a2d1fed'/>
+ <elf-symbol name='snd_device_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdef7d1f0'/>
+ <elf-symbol name='snd_device_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7819ac1e'/>
+ <elf-symbol name='snd_dma_alloc_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f43109c'/>
+ <elf-symbol name='snd_dma_free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6590e4e8'/>
+ <elf-symbol name='snd_dmaengine_pcm_close_release_chan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32fb5188'/>
+ <elf-symbol name='snd_dmaengine_pcm_get_chan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbdda603b'/>
+ <elf-symbol name='snd_dmaengine_pcm_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67c6df6d'/>
+ <elf-symbol name='snd_dmaengine_pcm_open_request_chan' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xab522b07'/>
+ <elf-symbol name='snd_dmaengine_pcm_pointer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2921a288'/>
+ <elf-symbol name='snd_dmaengine_pcm_prepare_slave_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86d3f850'/>
+ <elf-symbol name='snd_dmaengine_pcm_refine_runtime_hwparams' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c1c1bea'/>
+ <elf-symbol name='snd_dmaengine_pcm_set_config_from_dai_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92efe2b6'/>
+ <elf-symbol name='snd_dmaengine_pcm_trigger' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbed84684'/>
+ <elf-symbol name='snd_hwdep_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x287f7f50'/>
+ <elf-symbol name='snd_hwparams_to_dma_slave_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55507bd8'/>
+ <elf-symbol name='snd_info_create_card_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc36e44f2'/>
+ <elf-symbol name='snd_info_create_module_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27934fd7'/>
+ <elf-symbol name='snd_info_free_entry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3971a63b'/>
+ <elf-symbol name='snd_info_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ee4fac6'/>
+ <elf-symbol name='snd_interval_ranges' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x503bd137'/>
+ <elf-symbol name='snd_interval_refine' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4cda566'/>
+ <elf-symbol name='snd_jack_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27b473d6'/>
+ <elf-symbol name='snd_jack_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86e64ca7'/>
+ <elf-symbol name='snd_jack_set_key' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14f4c7ac'/>
+ <elf-symbol name='snd_pci_quirk_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1babb63a'/>
+ <elf-symbol name='snd_pcm_add_chmap_ctls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69fcdafa'/>
+ <elf-symbol name='snd_pcm_create_iec958_consumer_hw_params' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11eba48e'/>
+ <elf-symbol name='snd_pcm_format_big_endian' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f816e9b'/>
+ <elf-symbol name='snd_pcm_format_linear' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ef8fcd8'/>
+ <elf-symbol name='snd_pcm_format_physical_width' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68a24153'/>
+ <elf-symbol name='snd_pcm_format_unsigned' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa61aa028'/>
+ <elf-symbol name='snd_pcm_format_width' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe56a9336'/>
+ <elf-symbol name='snd_pcm_hw_constraint_eld' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1375206e'/>
+ <elf-symbol name='snd_pcm_hw_constraint_integer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4ff36b7'/>
+ <elf-symbol name='snd_pcm_hw_constraint_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeec87728'/>
+ <elf-symbol name='snd_pcm_hw_constraint_mask64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c514236'/>
+ <elf-symbol name='snd_pcm_hw_constraint_minmax' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd79671c4'/>
+ <elf-symbol name='snd_pcm_hw_constraint_msbits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21f14945'/>
+ <elf-symbol name='snd_pcm_hw_constraint_ratnums' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3735b65'/>
+ <elf-symbol name='snd_pcm_hw_constraint_step' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x88c6303f'/>
+ <elf-symbol name='snd_pcm_hw_limit_rates' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69255f54'/>
+ <elf-symbol name='snd_pcm_hw_rule_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa06e136b'/>
+ <elf-symbol name='snd_pcm_lib_default_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf76f2916'/>
+ <elf-symbol name='snd_pcm_lib_free_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9db4fdd'/>
+ <elf-symbol name='snd_pcm_lib_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcac151eb'/>
+ <elf-symbol name='snd_pcm_lib_malloc_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15c26a7a'/>
+ <elf-symbol name='snd_pcm_lib_preallocate_free_for_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4719ce13'/>
+ <elf-symbol name='snd_pcm_lib_preallocate_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c2e91ad'/>
+ <elf-symbol name='snd_pcm_lib_preallocate_pages_for_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x22e3b4fb'/>
+ <elf-symbol name='snd_pcm_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x46055370'/>
+ <elf-symbol name='snd_pcm_period_elapsed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f4372b9'/>
+ <elf-symbol name='snd_pcm_rate_range_to_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8d864069'/>
+ <elf-symbol name='snd_pcm_release_substream' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7253a4'/>
+ <elf-symbol name='snd_pcm_set_managed_buffer_all' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5dcd2fe'/>
+ <elf-symbol name='snd_pcm_set_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6ef6c04'/>
+ <elf-symbol name='snd_pcm_set_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb2b1cbe'/>
+ <elf-symbol name='snd_pcm_stream_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa50d8400'/>
+ <elf-symbol name='snd_pcm_stream_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32d7a400'/>
+ <elf-symbol name='snd_pcm_stream_unlock_irqrestore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac7ff2'/>
+ <elf-symbol name='snd_soc_add_card_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a916a85'/>
+ <elf-symbol name='snd_soc_add_component_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0b33873'/>
+ <elf-symbol name='snd_soc_add_dai_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b3c83b1'/>
+ <elf-symbol name='snd_soc_bytes_info_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4ebf69d5'/>
+ <elf-symbol name='snd_soc_bytes_tlv_callback' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6640e6ee'/>
+ <elf-symbol name='snd_soc_card_get_kcontrol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4652660'/>
+ <elf-symbol name='snd_soc_card_jack_new' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb169b45'/>
+ <elf-symbol name='snd_soc_component_async_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea7342d0'/>
+ <elf-symbol name='snd_soc_component_disable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1eecf2'/>
+ <elf-symbol name='snd_soc_component_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77a5c743'/>
+ <elf-symbol name='snd_soc_component_exit_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2aae0c8'/>
+ <elf-symbol name='snd_soc_component_force_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4dbf34d'/>
+ <elf-symbol name='snd_soc_component_get_pin_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x653b682c'/>
+ <elf-symbol name='snd_soc_component_init_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xddaab433'/>
+ <elf-symbol name='snd_soc_component_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f5ffcdb'/>
+ <elf-symbol name='snd_soc_component_set_jack' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x233dfced'/>
+ <elf-symbol name='snd_soc_component_set_pll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7c218cc1'/>
+ <elf-symbol name='snd_soc_component_set_sysclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c24cbdd'/>
+ <elf-symbol name='snd_soc_component_test_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8453a413'/>
+ <elf-symbol name='snd_soc_component_update_bits' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x841d6dda'/>
+ <elf-symbol name='snd_soc_component_update_bits_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23193487'/>
+ <elf-symbol name='snd_soc_component_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x800af8ff'/>
+ <elf-symbol name='snd_soc_dai_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12af7bb7'/>
+ <elf-symbol name='snd_soc_dai_get_channel_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6adba2f4'/>
+ <elf-symbol name='snd_soc_dai_link_set_capabilities' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b85f0d9'/>
+ <elf-symbol name='snd_soc_dai_set_bclk_ratio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5e7684c'/>
+ <elf-symbol name='snd_soc_dai_set_channel_map' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa3a8dc8'/>
+ <elf-symbol name='snd_soc_dai_set_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fdb850f'/>
+ <elf-symbol name='snd_soc_dai_set_pll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8f9a492'/>
+ <elf-symbol name='snd_soc_dai_set_sysclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83e805f9'/>
+ <elf-symbol name='snd_soc_dai_set_tdm_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5f0490a'/>
+ <elf-symbol name='snd_soc_dai_set_tristate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc5d5667'/>
+ <elf-symbol name='snd_soc_dapm_add_routes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6fe199e0'/>
+ <elf-symbol name='snd_soc_dapm_del_routes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc7bf7e2a'/>
+ <elf-symbol name='snd_soc_dapm_disable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4dc0197'/>
+ <elf-symbol name='snd_soc_dapm_disable_pin_unlocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f1b5cb7'/>
+ <elf-symbol name='snd_soc_dapm_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbb62918'/>
+ <elf-symbol name='snd_soc_dapm_force_enable_pin' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1c9248da'/>
+ <elf-symbol name='snd_soc_dapm_force_enable_pin_unlocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x976ffc86'/>
+ <elf-symbol name='snd_soc_dapm_get_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c4e91f4'/>
+ <elf-symbol name='snd_soc_dapm_get_pin_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79405214'/>
+ <elf-symbol name='snd_soc_dapm_get_pin_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x326a1f87'/>
+ <elf-symbol name='snd_soc_dapm_get_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x415a76f8'/>
+ <elf-symbol name='snd_soc_dapm_ignore_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc67460a3'/>
+ <elf-symbol name='snd_soc_dapm_info_pin_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86a6366c'/>
+ <elf-symbol name='snd_soc_dapm_kcontrol_dapm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29576b48'/>
+ <elf-symbol name='snd_soc_dapm_kcontrol_widget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a70d7f'/>
+ <elf-symbol name='snd_soc_dapm_mixer_update_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x461ba83b'/>
+ <elf-symbol name='snd_soc_dapm_mux_update_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d7746b2'/>
+ <elf-symbol name='snd_soc_dapm_new_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c7d1376'/>
+ <elf-symbol name='snd_soc_dapm_new_controls' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8448df58'/>
+ <elf-symbol name='snd_soc_dapm_new_widgets' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d4d2bad'/>
+ <elf-symbol name='snd_soc_dapm_put_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28cc9c07'/>
+ <elf-symbol name='snd_soc_dapm_put_pin_switch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb44a9feb'/>
+ <elf-symbol name='snd_soc_dapm_put_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1893a9f1'/>
+ <elf-symbol name='snd_soc_dapm_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3322eaad'/>
+ <elf-symbol name='snd_soc_dapm_sync_unlocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0e5eca4'/>
+ <elf-symbol name='snd_soc_dapm_weak_routes' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe7e6e2b'/>
+ <elf-symbol name='snd_soc_dpcm_get_substream' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa85ff24d'/>
+ <elf-symbol name='snd_soc_find_dai' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80fb28f5'/>
+ <elf-symbol name='snd_soc_get_dai_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x859c3053'/>
+ <elf-symbol name='snd_soc_get_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a015ed1'/>
+ <elf-symbol name='snd_soc_get_pcm_runtime' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa99a212'/>
+ <elf-symbol name='snd_soc_get_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x901f7173'/>
+ <elf-symbol name='snd_soc_get_volsw_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bb01b4c'/>
+ <elf-symbol name='snd_soc_get_volsw_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d5505fa'/>
+ <elf-symbol name='snd_soc_get_xr_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44f36e70'/>
+ <elf-symbol name='snd_soc_info_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffaea249'/>
+ <elf-symbol name='snd_soc_info_multi_ext' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaca2c525'/>
+ <elf-symbol name='snd_soc_info_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf643f1fa'/>
+ <elf-symbol name='snd_soc_info_volsw_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a915fe2'/>
+ <elf-symbol name='snd_soc_info_volsw_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xece5dbb9'/>
+ <elf-symbol name='snd_soc_info_xr_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa16c1099'/>
+ <elf-symbol name='snd_soc_jack_add_gpios' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf99c1d26'/>
+ <elf-symbol name='snd_soc_jack_notifier_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6c59cae'/>
+ <elf-symbol name='snd_soc_jack_report' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x298bf8c8'/>
+ <elf-symbol name='snd_soc_limit_volume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59806031'/>
+ <elf-symbol name='snd_soc_lookup_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ea4e3d4'/>
+ <elf-symbol name='snd_soc_lookup_component_nolocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x58151ca9'/>
+ <elf-symbol name='snd_soc_new_compress' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89bfad02'/>
+ <elf-symbol name='snd_soc_of_get_dai_link_codecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb00f526'/>
+ <elf-symbol name='snd_soc_of_get_dai_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fe387fd'/>
+ <elf-symbol name='snd_soc_of_parse_audio_routing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7166c2cf'/>
+ <elf-symbol name='snd_soc_of_parse_audio_simple_widgets' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x979d89fe'/>
+ <elf-symbol name='snd_soc_of_parse_aux_devs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6de47c36'/>
+ <elf-symbol name='snd_soc_of_parse_card_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2483e5a7'/>
+ <elf-symbol name='snd_soc_of_parse_daifmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5c6ec01'/>
+ <elf-symbol name='snd_soc_of_parse_node_prefix' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98b26bd7'/>
+ <elf-symbol name='snd_soc_of_parse_tdm_slot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a8a1176'/>
+ <elf-symbol name='snd_soc_of_put_dai_link_codecs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b60b8a3'/>
+ <elf-symbol name='snd_soc_params_to_bclk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb711ae7'/>
+ <elf-symbol name='snd_soc_params_to_frame_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8269f94'/>
+ <elf-symbol name='snd_soc_poweroff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb857b6dc'/>
+ <elf-symbol name='snd_soc_put_enum_double' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8af7b905'/>
+ <elf-symbol name='snd_soc_put_volsw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3424c843'/>
+ <elf-symbol name='snd_soc_put_volsw_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb46fc98'/>
+ <elf-symbol name='snd_soc_put_volsw_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfd321c1b'/>
+ <elf-symbol name='snd_soc_put_xr_sx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe0c8d740'/>
+ <elf-symbol name='snd_soc_register_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x59bf04c1'/>
+ <elf-symbol name='snd_soc_register_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34511c76'/>
+ <elf-symbol name='snd_soc_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b452039'/>
+ <elf-symbol name='snd_soc_rtdcom_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9492d448'/>
+ <elf-symbol name='snd_soc_runtime_calc_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5aa06655'/>
+ <elf-symbol name='snd_soc_runtime_set_dai_fmt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8c37e3d'/>
+ <elf-symbol name='snd_soc_set_runtime_hwparams' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4056c6e4'/>
+ <elf-symbol name='snd_soc_tplg_component_load' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6dc6b296'/>
+ <elf-symbol name='snd_soc_tplg_component_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f8c940d'/>
+ <elf-symbol name='snd_soc_tplg_widget_bind_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe41aadc7'/>
+ <elf-symbol name='snd_soc_unregister_card' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84a6cb13'/>
+ <elf-symbol name='snd_soc_unregister_component' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2956764'/>
+ <elf-symbol name='snd_usb_enable_audio_stream' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b134ba0'/>
+ <elf-symbol name='snd_vendor_set_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x752bed10'/>
+ <elf-symbol name='snprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x656e4a6e'/>
+ <elf-symbol name='soc_device_match' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb223607'/>
+ <elf-symbol name='soc_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x735c68ca'/>
+ <elf-symbol name='soc_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19c20269'/>
+ <elf-symbol name='sock_alloc_send_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50e27dab'/>
+ <elf-symbol name='sock_create_kern' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce69ea13'/>
+ <elf-symbol name='sock_efree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42ceeb9d'/>
+ <elf-symbol name='sock_gettstamp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10d2e8ac'/>
+ <elf-symbol name='sock_i_uid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfaed24a1'/>
+ <elf-symbol name='sock_init_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77c18ddf'/>
+ <elf-symbol name='sock_no_accept' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8f9ef18'/>
+ <elf-symbol name='sock_no_listen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xafb0e852'/>
+ <elf-symbol name='sock_no_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe3534247'/>
+ <elf-symbol name='sock_no_sendpage' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3a39e62'/>
+ <elf-symbol name='sock_no_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1debcbc8'/>
+ <elf-symbol name='sock_no_socketpair' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4255274'/>
+ <elf-symbol name='sock_queue_rcv_skb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85202c57'/>
+ <elf-symbol name='sock_recvmsg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x865cfd81'/>
+ <elf-symbol name='sock_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7618d84'/>
+ <elf-symbol name='sock_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc24aa96d'/>
+ <elf-symbol name='sock_setsockopt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6aa5d31b'/>
+ <elf-symbol name='sock_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62737e1d'/>
+ <elf-symbol name='sock_wfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c09c5aa'/>
+ <elf-symbol name='sockfd_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e843d7'/>
+ <elf-symbol name='sort' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7c0f443'/>
+ <elf-symbol name='spi_bus_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7e5ac0f'/>
+ <elf-symbol name='spi_bus_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca8b03e4'/>
+ <elf-symbol name='spi_controller_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x366c81f3'/>
+ <elf-symbol name='spi_controller_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a471d0e'/>
+ <elf-symbol name='spi_delay_exec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76306859'/>
+ <elf-symbol name='spi_finalize_current_message' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x704c2a56'/>
+ <elf-symbol name='spi_finalize_current_transfer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x928c3401'/>
+ <elf-symbol name='spi_get_device_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99fbbd18'/>
+ <elf-symbol name='spi_get_next_queued_message' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd057ae3e'/>
+ <elf-symbol name='spi_mem_adjust_op_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76d0ab09'/>
+ <elf-symbol name='spi_mem_default_supports_op' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27e83798'/>
+ <elf-symbol name='spi_mem_dirmap_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f44843f'/>
+ <elf-symbol name='spi_mem_dirmap_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89cab1d'/>
+ <elf-symbol name='spi_mem_driver_register_with_owner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29c5fb03'/>
+ <elf-symbol name='spi_mem_driver_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7371975c'/>
+ <elf-symbol name='spi_mem_dtr_supports_op' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bf6780c'/>
+ <elf-symbol name='spi_mem_exec_op' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d21db3'/>
+ <elf-symbol name='spi_mem_get_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xba46268d'/>
+ <elf-symbol name='spi_mem_supports_op' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e8bd610'/>
+ <elf-symbol name='spi_register_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a9bb3d9'/>
+ <elf-symbol name='spi_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92680418'/>
+ <elf-symbol name='spi_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa554c78'/>
+ <elf-symbol name='spi_sync_locked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe262a5b5'/>
+ <elf-symbol name='spi_unregister_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d874e1e'/>
+ <elf-symbol name='spi_write_then_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d61b46d'/>
+ <elf-symbol name='split_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x282a7b02'/>
+ <elf-symbol name='spmi_controller_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95103f0b'/>
+ <elf-symbol name='spmi_controller_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27794a5f'/>
+ <elf-symbol name='spmi_controller_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x130e6632'/>
+ <elf-symbol name='spmi_ext_register_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19f514a6'/>
+ <elf-symbol name='spmi_ext_register_readl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeee512f1'/>
+ <elf-symbol name='spmi_ext_register_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a8d05e'/>
+ <elf-symbol name='spmi_ext_register_writel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedf66e23'/>
+ <elf-symbol name='spmi_register_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x68ae390c'/>
+ <elf-symbol name='spmi_register_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b1a4fd0'/>
+ <elf-symbol name='spmi_register_zero_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34c01336'/>
+ <elf-symbol name='sprint_symbol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x661601de'/>
+ <elf-symbol name='sprint_symbol_no_offset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe769232e'/>
+ <elf-symbol name='sprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c3ff9fd'/>
+ <elf-symbol name='srcu_barrier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcadb4938'/>
+ <elf-symbol name='srcu_batches_completed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfee6b2a6'/>
+ <elf-symbol name='srcu_init_notifier_head' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36d70b72'/>
+ <elf-symbol name='srcu_notifier_call_chain' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa9d85fd'/>
+ <elf-symbol name='srcu_notifier_chain_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5dec381'/>
+ <elf-symbol name='srcu_notifier_chain_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc579925f'/>
+ <elf-symbol name='srcu_torture_stats_print' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x82971436'/>
+ <elf-symbol name='srcutorture_get_gp_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6dff6ba'/>
+ <elf-symbol name='sscanf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbcab6ee6'/>
+ <elf-symbol name='stack_depot_fetch' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51a0bc1'/>
+ <elf-symbol name='stack_trace_print' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa45c7b90'/>
+ <elf-symbol name='stack_trace_save' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bd1aa56'/>
+ <elf-symbol name='stack_trace_save_regs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc487eb56'/>
+ <elf-symbol name='stack_trace_save_tsk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8d7e643'/>
+ <elf-symbol name='static_key_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb912560d'/>
+ <elf-symbol name='static_key_disable_cpuslocked' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe6b79af'/>
+ <elf-symbol name='static_key_slow_dec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f4880df'/>
+ <elf-symbol name='static_key_slow_inc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e92f7c4'/>
+ <elf-symbol name='stop_machine' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdfc04014'/>
+ <elf-symbol name='stop_one_cpu_nowait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb4465d4'/>
+ <elf-symbol name='store_sampling_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa91801be'/>
+ <elf-symbol name='stpcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4db35bc'/>
+ <elf-symbol name='strcasecmp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaafdc258'/>
+ <elf-symbol name='strcat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x61651be'/>
+ <elf-symbol name='strchr' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x349cba85'/>
+ <elf-symbol name='strchrnul' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceab0311'/>
+ <elf-symbol name='strcmp' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xe2d5255a'/>
+ <elf-symbol name='strcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe914e41e'/>
+ <elf-symbol name='strcspn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ac5d3cb'/>
+ <elf-symbol name='stream_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81196244'/>
+ <elf-symbol name='strim' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77bc13a0'/>
+ <elf-symbol name='string_get_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48a91171'/>
+ <elf-symbol name='strlcat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9c0b663'/>
+ <elf-symbol name='strlcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5792f848'/>
+ <elf-symbol name='strlen' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x98cf60b3'/>
+ <elf-symbol name='strncasecmp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96b29254'/>
+ <elf-symbol name='strncat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e2b40d2'/>
+ <elf-symbol name='strnchr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4841bdee'/>
+ <elf-symbol name='strncmp' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x5a921311'/>
+ <elf-symbol name='strncpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9166fada'/>
+ <elf-symbol name='strncpy_from_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24428be5'/>
+ <elf-symbol name='strndup_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x41482d8b'/>
+ <elf-symbol name='strnlen' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0xa916b694'/>
+ <elf-symbol name='strnstr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc310b981'/>
+ <elf-symbol name='strpbrk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a1dfd65'/>
+ <elf-symbol name='strrchr' type='func-type' binding='weak-binding' visibility='default-visibility' is-defined='yes' crc='0x9f984513'/>
+ <elf-symbol name='strreplace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7410aba2'/>
+ <elf-symbol name='strscpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd64e639'/>
+ <elf-symbol name='strsep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85df9b6c'/>
+ <elf-symbol name='strspn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc29bf967'/>
+ <elf-symbol name='strstr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e6d26a8'/>
+ <elf-symbol name='submit_bh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9f6bf9f'/>
+ <elf-symbol name='submit_bio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff368e5f'/>
+ <elf-symbol name='submit_bio_wait' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32a9deed'/>
+ <elf-symbol name='subsys_system_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecd1be91'/>
+ <elf-symbol name='suspend_set_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ab0c7e0'/>
+ <elf-symbol name='swiotlb_nr_tbl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e51cd74'/>
+ <elf-symbol name='sync_blockdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x219fe0be'/>
+ <elf-symbol name='sync_file_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x308037c0'/>
+ <elf-symbol name='sync_file_get_fence' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4dca08ee'/>
+ <elf-symbol name='synchronize_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe523ad75'/>
+ <elf-symbol name='synchronize_net' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x609f1c7e'/>
+ <elf-symbol name='synchronize_rcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6091797f'/>
+ <elf-symbol name='synchronize_rcu_expedited' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86f6b99d'/>
+ <elf-symbol name='synchronize_rcu_tasks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1bb9f9'/>
+ <elf-symbol name='synchronize_rcu_tasks_trace' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6246a629'/>
+ <elf-symbol name='synchronize_srcu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98b0243a'/>
+ <elf-symbol name='synchronize_srcu_expedited' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bab6976'/>
+ <elf-symbol name='synth_event_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa961a77'/>
+ <elf-symbol name='synth_event_delete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64e27c4f'/>
+ <elf-symbol name='syscon_node_to_regmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4428e2a'/>
+ <elf-symbol name='syscon_regmap_lookup_by_compatible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee6b71c4'/>
+ <elf-symbol name='syscon_regmap_lookup_by_phandle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x482954a5'/>
+ <elf-symbol name='syscore_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4309905'/>
+ <elf-symbol name='syscore_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc97af2e'/>
+ <elf-symbol name='sysfs_add_file_to_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10b62114'/>
+ <elf-symbol name='sysfs_add_link_to_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd114efeb'/>
+ <elf-symbol name='sysfs_create_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10d5b5f2'/>
+ <elf-symbol name='sysfs_create_file_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fc8c1b0'/>
+ <elf-symbol name='sysfs_create_files' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x315a6c1'/>
+ <elf-symbol name='sysfs_create_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa3caa56'/>
+ <elf-symbol name='sysfs_create_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd026d214'/>
+ <elf-symbol name='sysfs_create_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc01c8b87'/>
+ <elf-symbol name='sysfs_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe783e261'/>
+ <elf-symbol name='sysfs_emit_at' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99f2d00a'/>
+ <elf-symbol name='sysfs_merge_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a925a3e'/>
+ <elf-symbol name='sysfs_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7fe759b'/>
+ <elf-symbol name='sysfs_remove_bin_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2a9fbdd'/>
+ <elf-symbol name='sysfs_remove_file_from_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x491b1732'/>
+ <elf-symbol name='sysfs_remove_file_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xefd0ee57'/>
+ <elf-symbol name='sysfs_remove_files' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa836e7d6'/>
+ <elf-symbol name='sysfs_remove_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8415b1d'/>
+ <elf-symbol name='sysfs_remove_groups' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ffa6d0a'/>
+ <elf-symbol name='sysfs_remove_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b2b597c'/>
+ <elf-symbol name='sysfs_remove_link_from_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d2edd8e'/>
+ <elf-symbol name='sysfs_streq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x222e7ce2'/>
+ <elf-symbol name='sysfs_update_group' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x616b20b7'/>
+ <elf-symbol name='sysrq_mask' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a17ed66'/>
+ <elf-symbol name='task_active_pid_ns' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa505b698'/>
+ <elf-symbol name='task_may_not_preempt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x828a69f4'/>
+ <elf-symbol name='task_rq_lock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5ed98fa'/>
+ <elf-symbol name='task_sched_runtime' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x51ffac37'/>
+ <elf-symbol name='tasklet_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2364c85a'/>
+ <elf-symbol name='tasklet_kill' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea3c74e'/>
+ <elf-symbol name='tasklet_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa07d1b3c'/>
+ <elf-symbol name='tcp_parse_options' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7572a3eb'/>
+ <elf-symbol name='tcp_register_congestion_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x830d1ca5'/>
+ <elf-symbol name='tcp_reno_cong_avoid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe052e0c3'/>
+ <elf-symbol name='tcp_reno_ssthresh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe76d32b'/>
+ <elf-symbol name='tcp_reno_undo_cwnd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34dbb105'/>
+ <elf-symbol name='tcp_slow_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa45b71e6'/>
+ <elf-symbol name='tcp_unregister_congestion_control' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x227ff6bd'/>
+ <elf-symbol name='tcpci_get_tcpm_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe111953'/>
+ <elf-symbol name='tcpci_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f497a3c'/>
+ <elf-symbol name='tcpci_register_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb801d79a'/>
+ <elf-symbol name='tcpci_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc529e32e'/>
+ <elf-symbol name='tcpm_cc_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc37b9769'/>
+ <elf-symbol name='tcpm_is_toggling' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd974a755'/>
+ <elf-symbol name='tcpm_pd_hard_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e0bd753'/>
+ <elf-symbol name='tcpm_pd_receive' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb655342c'/>
+ <elf-symbol name='tcpm_pd_transmit_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b84657b'/>
+ <elf-symbol name='tcpm_register_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35432f0e'/>
+ <elf-symbol name='tcpm_sink_frs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10ec6d2d'/>
+ <elf-symbol name='tcpm_sourcing_vbus' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb779665'/>
+ <elf-symbol name='tcpm_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76eeda4b'/>
+ <elf-symbol name='tcpm_update_sink_capabilities' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x622a422a'/>
+ <elf-symbol name='tcpm_vbus_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xceb50012'/>
+ <elf-symbol name='thermal_cdev_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb039311e'/>
+ <elf-symbol name='thermal_cooling_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe8abcd67'/>
+ <elf-symbol name='thermal_cooling_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9df1a3d9'/>
+ <elf-symbol name='thermal_of_cooling_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeada5ab8'/>
+ <elf-symbol name='thermal_zone_bind_cooling_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1fc40da'/>
+ <elf-symbol name='thermal_zone_device_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x27b46df9'/>
+ <elf-symbol name='thermal_zone_device_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12f26e76'/>
+ <elf-symbol name='thermal_zone_device_is_enabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe08b2704'/>
+ <elf-symbol name='thermal_zone_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c0c4622'/>
+ <elf-symbol name='thermal_zone_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea638ea4'/>
+ <elf-symbol name='thermal_zone_device_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6ea69b25'/>
+ <elf-symbol name='thermal_zone_get_slope' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb187e086'/>
+ <elf-symbol name='thermal_zone_get_temp' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb2aa579'/>
+ <elf-symbol name='thermal_zone_get_zone_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7d5c137f'/>
+ <elf-symbol name='thermal_zone_of_sensor_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91f12448'/>
+ <elf-symbol name='thermal_zone_of_sensor_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7af676ea'/>
+ <elf-symbol name='thread_group_cputime_adjusted' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37af4882'/>
+ <elf-symbol name='tick_nohz_get_idle_calls_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2943498b'/>
+ <elf-symbol name='tick_nohz_get_sleep_length' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1939cb0f'/>
+ <elf-symbol name='time64_to_tm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfff5afc'/>
+ <elf-symbol name='timecounter_cyc2time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8212341'/>
+ <elf-symbol name='timecounter_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x862258db'/>
+ <elf-symbol name='timecounter_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6f9e763b'/>
+ <elf-symbol name='timer_of_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9174535e'/>
+ <elf-symbol name='timer_reduce' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75c21753'/>
+ <elf-symbol name='timespec64_to_jiffies' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf93b9d8'/>
+ <elf-symbol name='topology_set_thermal_pressure' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xea0dce63'/>
+ <elf-symbol name='total_swapcache_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94f82081'/>
+ <elf-symbol name='touchscreen_parse_properties' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4efa5b79'/>
+ <elf-symbol name='touchscreen_report_pos' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc74b1ca0'/>
+ <elf-symbol name='trace_array_get_by_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x74cf2326'/>
+ <elf-symbol name='trace_array_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x177a6906'/>
+ <elf-symbol name='trace_array_set_clr_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa77d1599'/>
+ <elf-symbol name='trace_clock_local' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33efc8c8'/>
+ <elf-symbol name='trace_event_buffer_commit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6acaad61'/>
+ <elf-symbol name='trace_event_buffer_reserve' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90b21669'/>
+ <elf-symbol name='trace_event_ignore_this_pid' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72b15a7c'/>
+ <elf-symbol name='trace_event_raw_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe79bbd92'/>
+ <elf-symbol name='trace_event_reg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9939f2b0'/>
+ <elf-symbol name='trace_get_event_file' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc778b7b4'/>
+ <elf-symbol name='trace_handle_return' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7381287f'/>
+ <elf-symbol name='trace_output_call' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe45009d'/>
+ <elf-symbol name='trace_print_array_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3bc72ad'/>
+ <elf-symbol name='trace_print_bitmask_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a58dd2d'/>
+ <elf-symbol name='trace_print_flags_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99078b39'/>
+ <elf-symbol name='trace_print_hex_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe02ba436'/>
+ <elf-symbol name='trace_print_symbols_seq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc5c2df4'/>
+ <elf-symbol name='trace_raw_output_prep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4304cd8'/>
+ <elf-symbol name='trace_seq_printf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x525d0aa3'/>
+ <elf-symbol name='trace_seq_putc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b5f4377'/>
+ <elf-symbol name='trace_set_clr_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd217e9e6'/>
+ <elf-symbol name='tracepoint_probe_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95e102ab'/>
+ <elf-symbol name='tracepoint_probe_register_prio' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b70c6ff'/>
+ <elf-symbol name='tracepoint_probe_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbeeece6'/>
+ <elf-symbol name='tracing_off' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7944e0fc'/>
+ <elf-symbol name='try_module_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36505ade'/>
+ <elf-symbol name='try_to_del_timer_sync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfaf9e645'/>
+ <elf-symbol name='try_to_free_mem_cgroup_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb15d792'/>
+ <elf-symbol name='try_wait_for_completion' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x21ef374c'/>
+ <elf-symbol name='tso_build_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf1a9d575'/>
+ <elf-symbol name='tso_build_hdr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8551457'/>
+ <elf-symbol name='tso_count_descs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbc565224'/>
+ <elf-symbol name='tso_start' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb88bf59e'/>
+ <elf-symbol name='ttm_bo_bulk_move_lru_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e7a3d6d'/>
+ <elf-symbol name='ttm_bo_device_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4ead793'/>
+ <elf-symbol name='ttm_bo_device_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe69177b'/>
+ <elf-symbol name='ttm_bo_dma_acc_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e5c9032'/>
+ <elf-symbol name='ttm_bo_evict_mm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0b9843a'/>
+ <elf-symbol name='ttm_bo_eviction_valuable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d201ded'/>
+ <elf-symbol name='ttm_bo_init_reserved' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x519a48a0'/>
+ <elf-symbol name='ttm_bo_kmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x99c36391'/>
+ <elf-symbol name='ttm_bo_kunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b06b4dd'/>
+ <elf-symbol name='ttm_bo_lock_delayed_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe708fe16'/>
+ <elf-symbol name='ttm_bo_mem_space' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe54e0ed'/>
+ <elf-symbol name='ttm_bo_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e1e597b'/>
+ <elf-symbol name='ttm_bo_mmap_obj' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x791977f9'/>
+ <elf-symbol name='ttm_bo_move_accel_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19281d92'/>
+ <elf-symbol name='ttm_bo_move_memcpy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc0f10db3'/>
+ <elf-symbol name='ttm_bo_move_to_lru_tail' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9008d009'/>
+ <elf-symbol name='ttm_bo_move_ttm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11a3f8ab'/>
+ <elf-symbol name='ttm_bo_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ae736e0'/>
+ <elf-symbol name='ttm_bo_unlock_delayed_workqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe42af0f4'/>
+ <elf-symbol name='ttm_bo_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93ee0456'/>
+ <elf-symbol name='ttm_dma_page_alloc_debugfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9808f57'/>
+ <elf-symbol name='ttm_dma_populate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71b70ac6'/>
+ <elf-symbol name='ttm_dma_tt_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcda16493'/>
+ <elf-symbol name='ttm_dma_unpopulate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x752f7a6a'/>
+ <elf-symbol name='ttm_eu_backoff_reservation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4061ee9a'/>
+ <elf-symbol name='ttm_eu_fence_buffer_objects' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x932ffee4'/>
+ <elf-symbol name='ttm_eu_reserve_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3d2a201b'/>
+ <elf-symbol name='ttm_page_alloc_debugfs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1f0ed66f'/>
+ <elf-symbol name='ttm_populate_and_map_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbfb4ca4b'/>
+ <elf-symbol name='ttm_range_man_fini' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ad5bf75'/>
+ <elf-symbol name='ttm_range_man_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8390cbf'/>
+ <elf-symbol name='ttm_resource_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa098e480'/>
+ <elf-symbol name='ttm_resource_manager_force_list_clean' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23b88b1'/>
+ <elf-symbol name='ttm_resource_manager_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa33b3620'/>
+ <elf-symbol name='ttm_sg_tt_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23e11537'/>
+ <elf-symbol name='ttm_tt_destroy_common' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeba2f3ab'/>
+ <elf-symbol name='ttm_tt_populate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69b40311'/>
+ <elf-symbol name='ttm_tt_set_placement_caching' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa48e052c'/>
+ <elf-symbol name='ttm_unmap_and_unpopulate_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d35252c'/>
+ <elf-symbol name='tty_driver_flush_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f2814e2'/>
+ <elf-symbol name='tty_flip_buffer_push' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c7685af'/>
+ <elf-symbol name='tty_hangup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4bf61645'/>
+ <elf-symbol name='tty_insert_flip_string_fixed_flag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80545e76'/>
+ <elf-symbol name='tty_kref_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac939c40'/>
+ <elf-symbol name='tty_ldisc_deref' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x469fae87'/>
+ <elf-symbol name='tty_ldisc_ref' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7609590a'/>
+ <elf-symbol name='tty_mode_ioctl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x417bf1a7'/>
+ <elf-symbol name='tty_port_close' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76406461'/>
+ <elf-symbol name='tty_port_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14669c25'/>
+ <elf-symbol name='tty_port_hangup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedb2e9f7'/>
+ <elf-symbol name='tty_port_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a5113a2'/>
+ <elf-symbol name='tty_port_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb4d16f48'/>
+ <elf-symbol name='tty_port_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x919f9526'/>
+ <elf-symbol name='tty_port_tty_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2a86e1d'/>
+ <elf-symbol name='tty_port_tty_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x530a7aa'/>
+ <elf-symbol name='tty_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63ae7903'/>
+ <elf-symbol name='tty_register_ldisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3db52eb3'/>
+ <elf-symbol name='tty_set_operations' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x527ea077'/>
+ <elf-symbol name='tty_standard_install' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85d8b904'/>
+ <elf-symbol name='tty_termios_baud_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x409873e3'/>
+ <elf-symbol name='tty_termios_copy_hw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30e74134'/>
+ <elf-symbol name='tty_termios_encode_baud_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5641485b'/>
+ <elf-symbol name='tty_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc65f0be5'/>
+ <elf-symbol name='tty_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4a49dea'/>
+ <elf-symbol name='tty_unregister_ldisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa120d33c'/>
+ <elf-symbol name='tty_vhangup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9250e1ba'/>
+ <elf-symbol name='typec_altmode2port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x711395b7'/>
+ <elf-symbol name='typec_altmode_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x345cb99e'/>
+ <elf-symbol name='typec_altmode_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6035fa5a'/>
+ <elf-symbol name='typec_altmode_get_partner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b944414'/>
+ <elf-symbol name='typec_altmode_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5ee99e6'/>
+ <elf-symbol name='typec_altmode_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a6d1cc'/>
+ <elf-symbol name='typec_altmode_update_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xead01e7c'/>
+ <elf-symbol name='typec_altmode_vdm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce01a2fc'/>
+ <elf-symbol name='typec_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x734a9c4d'/>
+ <elf-symbol name='typec_get_negotiated_svdm_version' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a1eb1d6'/>
+ <elf-symbol name='typec_mux_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef5f0e3b'/>
+ <elf-symbol name='typec_mux_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6bccde42'/>
+ <elf-symbol name='typec_mux_set' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7d45e3d'/>
+ <elf-symbol name='typec_mux_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd2c13cf'/>
+ <elf-symbol name='typec_partner_register_altmode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90c7bc7d'/>
+ <elf-symbol name='typec_partner_set_identity' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x493159cc'/>
+ <elf-symbol name='typec_port_register_altmode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x579563fa'/>
+ <elf-symbol name='typec_register_partner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1e2a5b4'/>
+ <elf-symbol name='typec_register_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac96441a'/>
+ <elf-symbol name='typec_set_data_role' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f2c6469'/>
+ <elf-symbol name='typec_set_orientation' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36852716'/>
+ <elf-symbol name='typec_set_pwr_opmode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33fd62de'/>
+ <elf-symbol name='typec_set_pwr_role' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e2998e7'/>
+ <elf-symbol name='typec_set_vconn_role' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ac3a632'/>
+ <elf-symbol name='typec_switch_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5671d96e'/>
+ <elf-symbol name='typec_switch_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x44035ce8'/>
+ <elf-symbol name='typec_switch_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5128131'/>
+ <elf-symbol name='typec_unregister_altmode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48056c6b'/>
+ <elf-symbol name='typec_unregister_partner' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9cad8da6'/>
+ <elf-symbol name='typec_unregister_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda0a9c4c'/>
+ <elf-symbol name='uart_add_one_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54db86b9'/>
+ <elf-symbol name='uart_console_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4adf7e70'/>
+ <elf-symbol name='uart_console_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x87ff7df9'/>
+ <elf-symbol name='uart_get_baud_rate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b45fcdf'/>
+ <elf-symbol name='uart_get_divisor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b602dd2'/>
+ <elf-symbol name='uart_get_rs485_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23c85b7b'/>
+ <elf-symbol name='uart_handle_cts_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9c256df'/>
+ <elf-symbol name='uart_handle_dcd_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e57c1f9'/>
+ <elf-symbol name='uart_insert_char' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x54a8baed'/>
+ <elf-symbol name='uart_parse_options' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f72a987'/>
+ <elf-symbol name='uart_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20fdd28c'/>
+ <elf-symbol name='uart_remove_one_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc60d521f'/>
+ <elf-symbol name='uart_resume_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a358b9f'/>
+ <elf-symbol name='uart_set_options' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc002464f'/>
+ <elf-symbol name='uart_suspend_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x409bbb8e'/>
+ <elf-symbol name='uart_try_toggle_sysrq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa41eebb5'/>
+ <elf-symbol name='uart_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf44a4b9c'/>
+ <elf-symbol name='uart_update_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97051f87'/>
+ <elf-symbol name='uart_write_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf13303e4'/>
+ <elf-symbol name='uclamp_eff_value' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x960c9cd4'/>
+ <elf-symbol name='ucsi_connector_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bc68062'/>
+ <elf-symbol name='ucsi_create' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63787739'/>
+ <elf-symbol name='ucsi_destroy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7a43bc71'/>
+ <elf-symbol name='ucsi_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4603ca2'/>
+ <elf-symbol name='ucsi_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x14fc3d73'/>
+ <elf-symbol name='ucsi_send_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xec0c620d'/>
+ <elf-symbol name='ucsi_set_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef5d6ceb'/>
+ <elf-symbol name='ucsi_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x494fa142'/>
+ <elf-symbol name='udp4_hwcsum' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a1b023f'/>
+ <elf-symbol name='ufshcd_alloc_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57f9b97'/>
+ <elf-symbol name='ufshcd_auto_hibern8_update' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc16cbeff'/>
+ <elf-symbol name='ufshcd_bkops_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9da76035'/>
+ <elf-symbol name='ufshcd_config_pwr_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb40401db'/>
+ <elf-symbol name='ufshcd_dealloc_host' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26267833'/>
+ <elf-symbol name='ufshcd_delay_us' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x723b1abf'/>
+ <elf-symbol name='ufshcd_dme_get_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1108b959'/>
+ <elf-symbol name='ufshcd_dme_set_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc1ba1599'/>
+ <elf-symbol name='ufshcd_dump_regs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6605adad'/>
+ <elf-symbol name='ufshcd_fixup_dev_quirks' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4e74b30'/>
+ <elf-symbol name='ufshcd_get_local_unipro_ver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa59b3f84'/>
+ <elf-symbol name='ufshcd_get_pwr_dev_param' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff85cd6b'/>
+ <elf-symbol name='ufshcd_hba_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42da96d6'/>
+ <elf-symbol name='ufshcd_hba_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x17f07fb8'/>
+ <elf-symbol name='ufshcd_hold' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x236a22d5'/>
+ <elf-symbol name='ufshcd_link_recovery' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79a8dd0'/>
+ <elf-symbol name='ufshcd_make_hba_operational' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe990155'/>
+ <elf-symbol name='ufshcd_map_desc_id_to_length' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2aeb238f'/>
+ <elf-symbol name='ufshcd_pltfrm_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c1c87c2'/>
+ <elf-symbol name='ufshcd_pltfrm_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ae780b3'/>
+ <elf-symbol name='ufshcd_pltfrm_runtime_idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b37a1b0'/>
+ <elf-symbol name='ufshcd_pltfrm_runtime_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x95ce2226'/>
+ <elf-symbol name='ufshcd_pltfrm_runtime_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x766e5ba'/>
+ <elf-symbol name='ufshcd_pltfrm_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa5a73cb'/>
+ <elf-symbol name='ufshcd_pltfrm_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x870cabd3'/>
+ <elf-symbol name='ufshcd_query_attr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd503bff'/>
+ <elf-symbol name='ufshcd_query_attr_retry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12306de4'/>
+ <elf-symbol name='ufshcd_query_descriptor_retry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x55860cf'/>
+ <elf-symbol name='ufshcd_query_flag' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c154886'/>
+ <elf-symbol name='ufshcd_query_flag_retry' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa4aa7bd6'/>
+ <elf-symbol name='ufshcd_read_desc_param' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67c2a4b2'/>
+ <elf-symbol name='ufshcd_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa98ca5c'/>
+ <elf-symbol name='ufshcd_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53c91879'/>
+ <elf-symbol name='ufshcd_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a4540a1'/>
+ <elf-symbol name='ufshcd_system_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb14e9c8'/>
+ <elf-symbol name='ufshcd_system_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76066dbe'/>
+ <elf-symbol name='ufshcd_uic_hibern8_enter' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf646218b'/>
+ <elf-symbol name='ufshcd_uic_hibern8_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d8646cd'/>
+ <elf-symbol name='ufshcd_update_evt_hist' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4af472c'/>
+ <elf-symbol name='uio_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8c45317e'/>
+ <elf-symbol name='unlock_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5aaf2e4'/>
+ <elf-symbol name='unmap_mapping_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x153538fc'/>
+ <elf-symbol name='unpin_user_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b5e52d1'/>
+ <elf-symbol name='unpin_user_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x43db2bb5'/>
+ <elf-symbol name='unregister_blkdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb5a459dc'/>
+ <elf-symbol name='unregister_candev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x67879605'/>
+ <elf-symbol name='unregister_chrdev_region' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6091b333'/>
+ <elf-symbol name='unregister_console' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d1996a9'/>
+ <elf-symbol name='unregister_die_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x121d958a'/>
+ <elf-symbol name='unregister_filesystem' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a7d2c56'/>
+ <elf-symbol name='unregister_ftrace_export' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81f372a2'/>
+ <elf-symbol name='unregister_inet6addr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2fe252cc'/>
+ <elf-symbol name='unregister_inetaddr_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe029963'/>
+ <elf-symbol name='unregister_kprobe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18b23dc5'/>
+ <elf-symbol name='unregister_kretprobe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ea54251'/>
+ <elf-symbol name='unregister_memory_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26e298e0'/>
+ <elf-symbol name='unregister_module_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a5ecb18'/>
+ <elf-symbol name='unregister_net_sysctl_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd53c67b3'/>
+ <elf-symbol name='unregister_netdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f1cc889'/>
+ <elf-symbol name='unregister_netdevice_many' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9fdecc31'/>
+ <elf-symbol name='unregister_netdevice_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9d0d6206'/>
+ <elf-symbol name='unregister_netdevice_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7aa3665'/>
+ <elf-symbol name='unregister_netevent_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4fe1eddf'/>
+ <elf-symbol name='unregister_oom_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc617f82c'/>
+ <elf-symbol name='unregister_pernet_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x327ee4c5'/>
+ <elf-symbol name='unregister_pernet_subsys' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc674754a'/>
+ <elf-symbol name='unregister_pm_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7681946c'/>
+ <elf-symbol name='unregister_qdisc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4e2798c0'/>
+ <elf-symbol name='unregister_reboot_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac1a55be'/>
+ <elf-symbol name='unregister_restart_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40d59096'/>
+ <elf-symbol name='unregister_rpmsg_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31c8e272'/>
+ <elf-symbol name='unregister_shrinker' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e9bf49a'/>
+ <elf-symbol name='unregister_syscore_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa1eb910'/>
+ <elf-symbol name='unregister_sysctl_table' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd691c6a9'/>
+ <elf-symbol name='unregister_virtio_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84148cca'/>
+ <elf-symbol name='unregister_virtio_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb3110fa'/>
+ <elf-symbol name='unregister_vmap_purge_notifier' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb7c69a63'/>
+ <elf-symbol name='up' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf2a6966'/>
+ <elf-symbol name='up_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b50e951'/>
+ <elf-symbol name='up_write' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x20d81059'/>
+ <elf-symbol name='update_devfreq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81c78e3f'/>
+ <elf-symbol name='update_rq_clock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x446a8390'/>
+ <elf-symbol name='usb_add_config' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f78d1aa'/>
+ <elf-symbol name='usb_add_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb102838'/>
+ <elf-symbol name='usb_add_gadget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ed67fe3'/>
+ <elf-symbol name='usb_add_gadget_udc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde6d5c6f'/>
+ <elf-symbol name='usb_add_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7b94b3f'/>
+ <elf-symbol name='usb_add_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86f48f44'/>
+ <elf-symbol name='usb_add_phy_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcfba1162'/>
+ <elf-symbol name='usb_alloc_coherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2ceddab'/>
+ <elf-symbol name='usb_alloc_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd97c0fff'/>
+ <elf-symbol name='usb_alloc_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e498793'/>
+ <elf-symbol name='usb_amd_dev_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9b9df41'/>
+ <elf-symbol name='usb_amd_prefetch_quirk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd87fc0a0'/>
+ <elf-symbol name='usb_amd_pt_check_port' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4abd1d1f'/>
+ <elf-symbol name='usb_amd_quirk_pll_check' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf4014ff'/>
+ <elf-symbol name='usb_amd_quirk_pll_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc825d6c'/>
+ <elf-symbol name='usb_amd_quirk_pll_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10ecc52c'/>
+ <elf-symbol name='usb_anchor_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9677e82'/>
+ <elf-symbol name='usb_asmedia_modifyflowcontrol' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3825c83'/>
+ <elf-symbol name='usb_assign_descriptors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x371c0e4c'/>
+ <elf-symbol name='usb_autopm_get_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd937b3ed'/>
+ <elf-symbol name='usb_autopm_get_interface_no_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa53054ba'/>
+ <elf-symbol name='usb_autopm_put_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c6b29fd'/>
+ <elf-symbol name='usb_bulk_msg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa37125'/>
+ <elf-symbol name='usb_calc_bus_time' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e64181d'/>
+ <elf-symbol name='usb_choose_configuration' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e4d63f8'/>
+ <elf-symbol name='usb_composite_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6680a26c'/>
+ <elf-symbol name='usb_composite_setup_continue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6550fdd4'/>
+ <elf-symbol name='usb_composite_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7790f60c'/>
+ <elf-symbol name='usb_control_msg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1b06bb7'/>
+ <elf-symbol name='usb_copy_descriptors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e09263f'/>
+ <elf-symbol name='usb_create_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d64604c'/>
+ <elf-symbol name='usb_create_shared_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6d64574c'/>
+ <elf-symbol name='usb_decode_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4531624f'/>
+ <elf-symbol name='usb_del_gadget_udc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x570ef22e'/>
+ <elf-symbol name='usb_deregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3713f090'/>
+ <elf-symbol name='usb_deregister_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe822527'/>
+ <elf-symbol name='usb_disable_xhci_ports' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x545c40a'/>
+ <elf-symbol name='usb_disabled' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19a304ba'/>
+ <elf-symbol name='usb_driver_claim_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe26688dd'/>
+ <elf-symbol name='usb_driver_release_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x361c5d2f'/>
+ <elf-symbol name='usb_enable_autosuspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6c961cb'/>
+ <elf-symbol name='usb_enable_intel_xhci_ports' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x39bab8b7'/>
+ <elf-symbol name='usb_ep_alloc_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x880d48e4'/>
+ <elf-symbol name='usb_ep_autoconfig' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70832c42'/>
+ <elf-symbol name='usb_ep_clear_halt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9370b708'/>
+ <elf-symbol name='usb_ep_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbadfaba7'/>
+ <elf-symbol name='usb_ep_disable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1aec8cdd'/>
+ <elf-symbol name='usb_ep_enable' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2dbea237'/>
+ <elf-symbol name='usb_ep_fifo_flush' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa50158bd'/>
+ <elf-symbol name='usb_ep_fifo_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4408f42c'/>
+ <elf-symbol name='usb_ep_free_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d6766db'/>
+ <elf-symbol name='usb_ep_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4616fc7'/>
+ <elf-symbol name='usb_ep_set_halt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8310b89e'/>
+ <elf-symbol name='usb_ep_set_maxpacket_limit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77ec757b'/>
+ <elf-symbol name='usb_find_common_endpoints' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8eae8dfd'/>
+ <elf-symbol name='usb_find_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe34cd4c7'/>
+ <elf-symbol name='usb_free_all_descriptors' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd94a5c25'/>
+ <elf-symbol name='usb_free_coherent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79b7eb86'/>
+ <elf-symbol name='usb_free_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca0bf864'/>
+ <elf-symbol name='usb_function_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3a28dd'/>
+ <elf-symbol name='usb_function_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12df4f3'/>
+ <elf-symbol name='usb_gadget_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e6d7696'/>
+ <elf-symbol name='usb_gadget_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6226724f'/>
+ <elf-symbol name='usb_gadget_giveback_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cfd9348'/>
+ <elf-symbol name='usb_gadget_map_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae29cbdd'/>
+ <elf-symbol name='usb_gadget_map_request_by_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57e9758f'/>
+ <elf-symbol name='usb_gadget_probe_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c97baf'/>
+ <elf-symbol name='usb_gadget_set_selfpowered' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1b1ced9c'/>
+ <elf-symbol name='usb_gadget_set_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f5130'/>
+ <elf-symbol name='usb_gadget_udc_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12883d92'/>
+ <elf-symbol name='usb_gadget_unmap_request' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x811caac5'/>
+ <elf-symbol name='usb_gadget_unmap_request_by_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bc41256'/>
+ <elf-symbol name='usb_gadget_unregister_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3db88ba'/>
+ <elf-symbol name='usb_gadget_vbus_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd1aa771'/>
+ <elf-symbol name='usb_gadget_vbus_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x98c9a408'/>
+ <elf-symbol name='usb_gadget_vbus_draw' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ad0e3fe'/>
+ <elf-symbol name='usb_gadget_wakeup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcedd2b6e'/>
+ <elf-symbol name='usb_get_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb999b45f'/>
+ <elf-symbol name='usb_get_dr_mode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e336678'/>
+ <elf-symbol name='usb_get_from_anchor' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x626f77cb'/>
+ <elf-symbol name='usb_get_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd463183c'/>
+ <elf-symbol name='usb_get_function_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4092778a'/>
+ <elf-symbol name='usb_get_gadget_udc_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50b88f41'/>
+ <elf-symbol name='usb_get_intf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9df4cc0'/>
+ <elf-symbol name='usb_get_maximum_speed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecda20ec'/>
+ <elf-symbol name='usb_get_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x332583b'/>
+ <elf-symbol name='usb_gstrings_attach' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x10c531af'/>
+ <elf-symbol name='usb_hc_died' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xca1b4672'/>
+ <elf-symbol name='usb_hcd_check_unlink_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa644ea97'/>
+ <elf-symbol name='usb_hcd_end_port_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97109aa3'/>
+ <elf-symbol name='usb_hcd_giveback_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fc5072e'/>
+ <elf-symbol name='usb_hcd_irq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x70cf032f'/>
+ <elf-symbol name='usb_hcd_is_primary_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6875328a'/>
+ <elf-symbol name='usb_hcd_link_urb_to_ep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd526bd5'/>
+ <elf-symbol name='usb_hcd_map_urb_for_dma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4aa01787'/>
+ <elf-symbol name='usb_hcd_pci_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x80945d0e'/>
+ <elf-symbol name='usb_hcd_pci_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa911a4af'/>
+ <elf-symbol name='usb_hcd_pci_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbd6c2a8b'/>
+ <elf-symbol name='usb_hcd_platform_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60dfc47c'/>
+ <elf-symbol name='usb_hcd_poll_rh_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe99d39b2'/>
+ <elf-symbol name='usb_hcd_resume_root_hub' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5094011a'/>
+ <elf-symbol name='usb_hcd_start_port_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x917842be'/>
+ <elf-symbol name='usb_hcd_unlink_urb_from_ep' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2da87985'/>
+ <elf-symbol name='usb_hcd_unmap_urb_for_dma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe11e3bed'/>
+ <elf-symbol name='usb_hub_clear_tt_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb839ed8d'/>
+ <elf-symbol name='usb_hub_find_child' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3301cee6'/>
+ <elf-symbol name='usb_ifnum_to_if' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79b60370'/>
+ <elf-symbol name='usb_initialize_gadget' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbca10e8f'/>
+ <elf-symbol name='usb_interface_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe7b7798d'/>
+ <elf-symbol name='usb_kill_anchored_urbs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x962c8ae1'/>
+ <elf-symbol name='usb_kill_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa50a37e8'/>
+ <elf-symbol name='usb_match_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8015af83'/>
+ <elf-symbol name='usb_match_one_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40c63064'/>
+ <elf-symbol name='usb_os_desc_prepare_interf_dir' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64479d25'/>
+ <elf-symbol name='usb_otg_state_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2f0d9053'/>
+ <elf-symbol name='usb_phy_get_charger_current' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a0032e1'/>
+ <elf-symbol name='usb_phy_set_charger_current' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c1af30f'/>
+ <elf-symbol name='usb_phy_set_charger_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5183d962'/>
+ <elf-symbol name='usb_phy_set_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf271221'/>
+ <elf-symbol name='usb_poison_anchored_urbs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x842f046d'/>
+ <elf-symbol name='usb_poison_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb2484436'/>
+ <elf-symbol name='usb_put_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6f3714c'/>
+ <elf-symbol name='usb_put_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa09504a8'/>
+ <elf-symbol name='usb_put_function_instance' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x15993252'/>
+ <elf-symbol name='usb_put_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5279e353'/>
+ <elf-symbol name='usb_put_intf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xef5d3e52'/>
+ <elf-symbol name='usb_queue_reset_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3543bdc'/>
+ <elf-symbol name='usb_register_dev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc426e57'/>
+ <elf-symbol name='usb_register_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ef88460'/>
+ <elf-symbol name='usb_register_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89bbafc6'/>
+ <elf-symbol name='usb_remove_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x62ecc28b'/>
+ <elf-symbol name='usb_remove_hcd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a048fef'/>
+ <elf-symbol name='usb_remove_phy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6d7a707'/>
+ <elf-symbol name='usb_role_switch_find_by_fwnode' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7652f247'/>
+ <elf-symbol name='usb_role_switch_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc67dad16'/>
+ <elf-symbol name='usb_role_switch_get_drvdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1690b503'/>
+ <elf-symbol name='usb_role_switch_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9fd634a'/>
+ <elf-symbol name='usb_role_switch_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd918957c'/>
+ <elf-symbol name='usb_role_switch_set_role' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd5474690'/>
+ <elf-symbol name='usb_role_switch_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2882d40e'/>
+ <elf-symbol name='usb_root_hub_lost_power' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ca66e75'/>
+ <elf-symbol name='usb_scuttle_anchored_urbs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x807766ea'/>
+ <elf-symbol name='usb_set_device_state' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc405a128'/>
+ <elf-symbol name='usb_set_interface' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc5eb1739'/>
+ <elf-symbol name='usb_show_dynids' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc17e9946'/>
+ <elf-symbol name='usb_speed_string' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77ae495d'/>
+ <elf-symbol name='usb_store_new_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f1f0846'/>
+ <elf-symbol name='usb_string_id' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac9e3175'/>
+ <elf-symbol name='usb_submit_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e007410'/>
+ <elf-symbol name='usb_udc_vbus_handler' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ca7ee45'/>
+ <elf-symbol name='usb_unanchor_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x399a458c'/>
+ <elf-symbol name='usb_unpoison_urb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc518a377'/>
+ <elf-symbol name='usb_unregister_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x811dc334'/>
+ <elf-symbol name='usb_wakeup_enabled_descendants' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa8576ad'/>
+ <elf-symbol name='usb_wakeup_notification' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x84edb62f'/>
+ <elf-symbol name='usbnet_change_mtu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29b080fc'/>
+ <elf-symbol name='usbnet_defer_kevent' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x983cd249'/>
+ <elf-symbol name='usbnet_disconnect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff76f05'/>
+ <elf-symbol name='usbnet_get_drvinfo' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc9eac17c'/>
+ <elf-symbol name='usbnet_get_endpoints' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4f15b5b'/>
+ <elf-symbol name='usbnet_get_link' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7a67954'/>
+ <elf-symbol name='usbnet_get_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x380a7431'/>
+ <elf-symbol name='usbnet_get_msglevel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3d72f22'/>
+ <elf-symbol name='usbnet_get_stats64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x215193d5'/>
+ <elf-symbol name='usbnet_link_change' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1cd063c'/>
+ <elf-symbol name='usbnet_nway_reset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6c1511e8'/>
+ <elf-symbol name='usbnet_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc3a67b97'/>
+ <elf-symbol name='usbnet_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde28ecc9'/>
+ <elf-symbol name='usbnet_read_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2964220d'/>
+ <elf-symbol name='usbnet_read_cmd_nopm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8e53eb27'/>
+ <elf-symbol name='usbnet_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb8a6dd7e'/>
+ <elf-symbol name='usbnet_set_link_ksettings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7259d95e'/>
+ <elf-symbol name='usbnet_set_msglevel' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7f387937'/>
+ <elf-symbol name='usbnet_skb_return' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdd5b8b2'/>
+ <elf-symbol name='usbnet_start_xmit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf39235cd'/>
+ <elf-symbol name='usbnet_stop' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf92f93f3'/>
+ <elf-symbol name='usbnet_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x75b826b'/>
+ <elf-symbol name='usbnet_tx_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c5d3733'/>
+ <elf-symbol name='usbnet_unlink_rx_urbs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29e590f9'/>
+ <elf-symbol name='usbnet_update_max_qlen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa88a6b99'/>
+ <elf-symbol name='usbnet_write_cmd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6df8715a'/>
+ <elf-symbol name='usbnet_write_cmd_async' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e2f2f49'/>
+ <elf-symbol name='usbnet_write_cmd_nopm' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ccb9d2d'/>
+ <elf-symbol name='usleep_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x12a38747'/>
+ <elf-symbol name='utf16s_to_utf8s' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xabf32f29'/>
+ <elf-symbol name='uuid_gen' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69e683de'/>
+ <elf-symbol name='uuid_parse' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb67fec0e'/>
+ <elf-symbol name='v4l2_async_notifier_add_devname_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x30ba57be'/>
+ <elf-symbol name='v4l2_async_notifier_add_fwnode_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91b7897e'/>
+ <elf-symbol name='v4l2_async_notifier_add_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc00effd0'/>
+ <elf-symbol name='v4l2_async_notifier_cleanup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x96197152'/>
+ <elf-symbol name='v4l2_async_notifier_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x753d70e7'/>
+ <elf-symbol name='v4l2_async_notifier_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb38b93d3'/>
+ <elf-symbol name='v4l2_async_notifier_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfb46fd33'/>
+ <elf-symbol name='v4l2_async_register_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa357b7b4'/>
+ <elf-symbol name='v4l2_async_subdev_notifier_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50c78f4d'/>
+ <elf-symbol name='v4l2_async_unregister_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b4f304a'/>
+ <elf-symbol name='v4l2_compat_ioctl32' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1161c5e'/>
+ <elf-symbol name='v4l2_ctrl_auto_cluster' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe01df9e'/>
+ <elf-symbol name='v4l2_ctrl_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe52b7238'/>
+ <elf-symbol name='v4l2_ctrl_g_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2bcc77c6'/>
+ <elf-symbol name='v4l2_ctrl_g_ctrl_int64' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5757c9e'/>
+ <elf-symbol name='v4l2_ctrl_handler_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb955ffde'/>
+ <elf-symbol name='v4l2_ctrl_handler_init_class' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x48598beb'/>
+ <elf-symbol name='v4l2_ctrl_handler_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfe70f9dd'/>
+ <elf-symbol name='v4l2_ctrl_log_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8aa2828c'/>
+ <elf-symbol name='v4l2_ctrl_new_custom' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbef09d5c'/>
+ <elf-symbol name='v4l2_ctrl_new_int_menu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa6beb5d9'/>
+ <elf-symbol name='v4l2_ctrl_new_std' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3da5d575'/>
+ <elf-symbol name='v4l2_ctrl_new_std_menu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x663d2402'/>
+ <elf-symbol name='v4l2_ctrl_new_std_menu_items' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdbdd5c77'/>
+ <elf-symbol name='v4l2_ctrl_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffb03d55'/>
+ <elf-symbol name='v4l2_ctrl_request_complete' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb168bbac'/>
+ <elf-symbol name='v4l2_ctrl_request_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69331bbd'/>
+ <elf-symbol name='v4l2_ctrl_subdev_log_status' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc8f0e7e2'/>
+ <elf-symbol name='v4l2_ctrl_subdev_subscribe_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f197468'/>
+ <elf-symbol name='v4l2_ctrl_subscribe_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x497b3676'/>
+ <elf-symbol name='v4l2_device_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cd98629'/>
+ <elf-symbol name='v4l2_device_register_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x385661da'/>
+ <elf-symbol name='v4l2_device_set_name' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0e5bdf9'/>
+ <elf-symbol name='v4l2_device_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe690bb6b'/>
+ <elf-symbol name='v4l2_device_unregister_subdev' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1ddcdfef'/>
+ <elf-symbol name='v4l2_event_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcb01d998'/>
+ <elf-symbol name='v4l2_event_pending' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a54f024'/>
+ <elf-symbol name='v4l2_event_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a178788'/>
+ <elf-symbol name='v4l2_event_queue_fh' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x972d372d'/>
+ <elf-symbol name='v4l2_event_subdev_unsubscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2b461572'/>
+ <elf-symbol name='v4l2_event_subscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1d367307'/>
+ <elf-symbol name='v4l2_event_unsubscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9f4125f7'/>
+ <elf-symbol name='v4l2_fh_add' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9db2e55'/>
+ <elf-symbol name='v4l2_fh_del' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8a86946c'/>
+ <elf-symbol name='v4l2_fh_exit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb007f7ca'/>
+ <elf-symbol name='v4l2_fh_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35d6e3e8'/>
+ <elf-symbol name='v4l2_fh_is_singular' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xedab880'/>
+ <elf-symbol name='v4l2_fh_open' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45171035'/>
+ <elf-symbol name='v4l2_fh_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x69a9a3ab'/>
+ <elf-symbol name='v4l2_format_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x28b12cc9'/>
+ <elf-symbol name='v4l2_g_parm_cap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd999b29'/>
+ <elf-symbol name='v4l2_i2c_subdev_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b8959c2'/>
+ <elf-symbol name='v4l2_m2m_buf_copy_metadata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x449fac4e'/>
+ <elf-symbol name='v4l2_m2m_buf_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b075cad'/>
+ <elf-symbol name='v4l2_m2m_buf_remove' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0d42e4c'/>
+ <elf-symbol name='v4l2_m2m_buf_remove_by_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x93c69952'/>
+ <elf-symbol name='v4l2_m2m_ctx_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x49354d39'/>
+ <elf-symbol name='v4l2_m2m_ctx_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4b7ae0c'/>
+ <elf-symbol name='v4l2_m2m_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x35202f21'/>
+ <elf-symbol name='v4l2_m2m_fop_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2ab37d60'/>
+ <elf-symbol name='v4l2_m2m_fop_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa61b18c9'/>
+ <elf-symbol name='v4l2_m2m_get_curr_priv' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x459e133f'/>
+ <elf-symbol name='v4l2_m2m_get_vq' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd82fa258'/>
+ <elf-symbol name='v4l2_m2m_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x730f2eae'/>
+ <elf-symbol name='v4l2_m2m_ioctl_create_bufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f8e6639'/>
+ <elf-symbol name='v4l2_m2m_ioctl_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1650b837'/>
+ <elf-symbol name='v4l2_m2m_ioctl_expbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x967bfebc'/>
+ <elf-symbol name='v4l2_m2m_ioctl_prepare_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7d59980'/>
+ <elf-symbol name='v4l2_m2m_ioctl_qbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x97d5e62'/>
+ <elf-symbol name='v4l2_m2m_ioctl_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7214ae03'/>
+ <elf-symbol name='v4l2_m2m_ioctl_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfa07348f'/>
+ <elf-symbol name='v4l2_m2m_ioctl_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb0151eb7'/>
+ <elf-symbol name='v4l2_m2m_ioctl_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x194194bf'/>
+ <elf-symbol name='v4l2_m2m_job_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x589c9e9f'/>
+ <elf-symbol name='v4l2_m2m_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7067b652'/>
+ <elf-symbol name='v4l2_m2m_next_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdc783b70'/>
+ <elf-symbol name='v4l2_m2m_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbe15335'/>
+ <elf-symbol name='v4l2_m2m_qbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffdfd145'/>
+ <elf-symbol name='v4l2_m2m_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa210f387'/>
+ <elf-symbol name='v4l2_m2m_register_media_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd9cdc0de'/>
+ <elf-symbol name='v4l2_m2m_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6fca5ad'/>
+ <elf-symbol name='v4l2_m2m_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4345c6e'/>
+ <elf-symbol name='v4l2_m2m_request_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee849da4'/>
+ <elf-symbol name='v4l2_m2m_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5352d022'/>
+ <elf-symbol name='v4l2_m2m_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfc5be2fd'/>
+ <elf-symbol name='v4l2_m2m_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33162a83'/>
+ <elf-symbol name='v4l2_m2m_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf626dd03'/>
+ <elf-symbol name='v4l2_m2m_try_schedule' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8ff063ec'/>
+ <elf-symbol name='v4l2_m2m_unregister_media_controller' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf13ff84d'/>
+ <elf-symbol name='v4l2_match_dv_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd034392d'/>
+ <elf-symbol name='v4l2_pipeline_link_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8b4f4749'/>
+ <elf-symbol name='v4l2_pipeline_pm_get' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4d475fda'/>
+ <elf-symbol name='v4l2_pipeline_pm_put' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x213d9e9d'/>
+ <elf-symbol name='v4l2_querymenu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae9f2785'/>
+ <elf-symbol name='v4l2_s_ctrl' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x81f0747c'/>
+ <elf-symbol name='v4l2_s_parm_cap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1e6233e'/>
+ <elf-symbol name='v4l2_spi_subdev_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7f32d29'/>
+ <elf-symbol name='v4l2_src_change_event_subscribe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8178ccbb'/>
+ <elf-symbol name='v4l2_subdev_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a0a6a61'/>
+ <elf-symbol name='v4l2_subdev_link_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5fb34aa9'/>
+ <elf-symbol name='v4l2_subdev_link_validate_default' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x65e7a9be'/>
+ <elf-symbol name='v4l_bound_align_image' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf5ef842e'/>
+ <elf-symbol name='vb2_buffer_done' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x171bbe32'/>
+ <elf-symbol name='vb2_create_bufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe35b3a98'/>
+ <elf-symbol name='vb2_create_framevec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa21fa765'/>
+ <elf-symbol name='vb2_destroy_framevec' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccd197c7'/>
+ <elf-symbol name='vb2_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x189bbdb6'/>
+ <elf-symbol name='vb2_expbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x585d110e'/>
+ <elf-symbol name='vb2_fop_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa111b4f4'/>
+ <elf-symbol name='vb2_fop_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6b8fb2d8'/>
+ <elf-symbol name='vb2_fop_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb7c3df9'/>
+ <elf-symbol name='vb2_fop_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbddb9e0f'/>
+ <elf-symbol name='vb2_ioctl_create_bufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5656f800'/>
+ <elf-symbol name='vb2_ioctl_dqbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32961040'/>
+ <elf-symbol name='vb2_ioctl_expbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa13d86f'/>
+ <elf-symbol name='vb2_ioctl_prepare_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcdc72f48'/>
+ <elf-symbol name='vb2_ioctl_qbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7b768f91'/>
+ <elf-symbol name='vb2_ioctl_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x37738196'/>
+ <elf-symbol name='vb2_ioctl_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x91c536ab'/>
+ <elf-symbol name='vb2_ioctl_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x63cbc7e'/>
+ <elf-symbol name='vb2_ioctl_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x56ce6080'/>
+ <elf-symbol name='vb2_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb47c6cb2'/>
+ <elf-symbol name='vb2_ops_wait_finish' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb43f5074'/>
+ <elf-symbol name='vb2_ops_wait_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4517b427'/>
+ <elf-symbol name='vb2_plane_cookie' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4150a3aa'/>
+ <elf-symbol name='vb2_plane_vaddr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcef56e09'/>
+ <elf-symbol name='vb2_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x42ce4fd3'/>
+ <elf-symbol name='vb2_prepare_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3b0e6d5'/>
+ <elf-symbol name='vb2_qbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb579f1b3'/>
+ <elf-symbol name='vb2_querybuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e4617f8'/>
+ <elf-symbol name='vb2_queue_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe690b40a'/>
+ <elf-symbol name='vb2_queue_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x444004dd'/>
+ <elf-symbol name='vb2_read' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6a118e35'/>
+ <elf-symbol name='vb2_reqbufs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7328de08'/>
+ <elf-symbol name='vb2_request_object_is_buffer' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf449a054'/>
+ <elf-symbol name='vb2_request_queue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb96ee5aa'/>
+ <elf-symbol name='vb2_request_validate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9b40fb41'/>
+ <elf-symbol name='vb2_streamoff' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x19d4eba6'/>
+ <elf-symbol name='vb2_streamon' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1bd32790'/>
+ <elf-symbol name='vb2_wait_for_all_buffers' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaab5c4bc'/>
+ <elf-symbol name='vchan_dma_desc_free_list' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1fbc8ac9'/>
+ <elf-symbol name='vchan_find_desc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x45ab010a'/>
+ <elf-symbol name='vchan_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2256ac56'/>
+ <elf-symbol name='vchan_tx_desc_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1117b53f'/>
+ <elf-symbol name='vchan_tx_submit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4062113e'/>
+ <elf-symbol name='verify_pkcs7_signature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c33200'/>
+ <elf-symbol name='vfree' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x999e8297'/>
+ <elf-symbol name='vfs_fallocate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x401f6c37'/>
+ <elf-symbol name='vfs_fsync' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd1b966b'/>
+ <elf-symbol name='vfs_fsync_range' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe83b1f5d'/>
+ <elf-symbol name='vfs_getattr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a03350f'/>
+ <elf-symbol name='vfs_llseek' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x314bd930'/>
+ <elf-symbol name='video_devdata' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4207749'/>
+ <elf-symbol name='video_device_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0b2d8ce'/>
+ <elf-symbol name='video_device_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x284b3c6c'/>
+ <elf-symbol name='video_device_release_empty' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf068dddb'/>
+ <elf-symbol name='video_ioctl2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7207d3a9'/>
+ <elf-symbol name='video_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa16f80e7'/>
+ <elf-symbol name='videomode_from_timing' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa1d8004a'/>
+ <elf-symbol name='videomode_from_timings' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x414d119a'/>
+ <elf-symbol name='virtio_break_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9b985d5'/>
+ <elf-symbol name='virtio_check_driver_offered_feature' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7cd12bd8'/>
+ <elf-symbol name='virtio_config_changed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7629ccea'/>
+ <elf-symbol name='virtio_device_freeze' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xce15e2e4'/>
+ <elf-symbol name='virtio_device_restore' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76bb6b58'/>
+ <elf-symbol name='virtio_max_dma_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x71a780c8'/>
+ <elf-symbol name='virtio_transport_connect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7fac4357'/>
+ <elf-symbol name='virtio_transport_deliver_tap_pkt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc2291e47'/>
+ <elf-symbol name='virtio_transport_destruct' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7ad997f'/>
+ <elf-symbol name='virtio_transport_dgram_allow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbabd30f5'/>
+ <elf-symbol name='virtio_transport_dgram_bind' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac9ee667'/>
+ <elf-symbol name='virtio_transport_dgram_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x18764ab2'/>
+ <elf-symbol name='virtio_transport_dgram_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf021fa7d'/>
+ <elf-symbol name='virtio_transport_do_socket_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x910764d'/>
+ <elf-symbol name='virtio_transport_free_pkt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd99488b'/>
+ <elf-symbol name='virtio_transport_notify_buffer_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9eed1d1b'/>
+ <elf-symbol name='virtio_transport_notify_poll_in' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcd4b86c1'/>
+ <elf-symbol name='virtio_transport_notify_poll_out' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8428b746'/>
+ <elf-symbol name='virtio_transport_notify_recv_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8bacf634'/>
+ <elf-symbol name='virtio_transport_notify_recv_post_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x79f5a8d0'/>
+ <elf-symbol name='virtio_transport_notify_recv_pre_block' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9c4a207'/>
+ <elf-symbol name='virtio_transport_notify_recv_pre_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5ecea389'/>
+ <elf-symbol name='virtio_transport_notify_send_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb1400264'/>
+ <elf-symbol name='virtio_transport_notify_send_post_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x66a9f79d'/>
+ <elf-symbol name='virtio_transport_notify_send_pre_block' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xecbfc8c'/>
+ <elf-symbol name='virtio_transport_notify_send_pre_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e73840d'/>
+ <elf-symbol name='virtio_transport_recv_pkt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a540f07'/>
+ <elf-symbol name='virtio_transport_release' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3da09463'/>
+ <elf-symbol name='virtio_transport_shutdown' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cafc001'/>
+ <elf-symbol name='virtio_transport_stream_allow' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3a81e69'/>
+ <elf-symbol name='virtio_transport_stream_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde99f150'/>
+ <elf-symbol name='virtio_transport_stream_enqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e6e4c89'/>
+ <elf-symbol name='virtio_transport_stream_has_data' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf736cb15'/>
+ <elf-symbol name='virtio_transport_stream_has_space' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdd8ed9aa'/>
+ <elf-symbol name='virtio_transport_stream_is_active' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee8e9817'/>
+ <elf-symbol name='virtio_transport_stream_rcvhiwat' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe977dadb'/>
+ <elf-symbol name='virtqueue_add_inbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cfcd792'/>
+ <elf-symbol name='virtqueue_add_inbuf_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x300b25b7'/>
+ <elf-symbol name='virtqueue_add_outbuf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd3533cee'/>
+ <elf-symbol name='virtqueue_add_sgs' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2edb0d1b'/>
+ <elf-symbol name='virtqueue_detach_unused_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9eef8d0'/>
+ <elf-symbol name='virtqueue_disable_cb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73ca1648'/>
+ <elf-symbol name='virtqueue_enable_cb' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaf2acdab'/>
+ <elf-symbol name='virtqueue_enable_cb_delayed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60409654'/>
+ <elf-symbol name='virtqueue_enable_cb_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x32021fae'/>
+ <elf-symbol name='virtqueue_get_avail_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd7a61721'/>
+ <elf-symbol name='virtqueue_get_buf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x77228f83'/>
+ <elf-symbol name='virtqueue_get_buf_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa33d3fa7'/>
+ <elf-symbol name='virtqueue_get_desc_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5d5569cc'/>
+ <elf-symbol name='virtqueue_get_used_addr' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x24af4c98'/>
+ <elf-symbol name='virtqueue_get_vring_size' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff332973'/>
+ <elf-symbol name='virtqueue_is_broken' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3cc710ce'/>
+ <elf-symbol name='virtqueue_kick' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xffcf2c5d'/>
+ <elf-symbol name='virtqueue_kick_prepare' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb33e781c'/>
+ <elf-symbol name='virtqueue_notify' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf965a57b'/>
+ <elf-symbol name='virtqueue_poll' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe1285f7'/>
+ <elf-symbol name='vm_get_page_prot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2c91e17c'/>
+ <elf-symbol name='vm_insert_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2d4cbadb'/>
+ <elf-symbol name='vm_iomap_memory' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9855e94b'/>
+ <elf-symbol name='vm_map_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc143e7be'/>
+ <elf-symbol name='vm_map_ram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92e8f035'/>
+ <elf-symbol name='vm_memory_committed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x26520970'/>
+ <elf-symbol name='vm_mmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9acde6c'/>
+ <elf-symbol name='vm_munmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b56860c'/>
+ <elf-symbol name='vm_unmap_ram' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fd2571'/>
+ <elf-symbol name='vm_unmapped_area' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x64b9739'/>
+ <elf-symbol name='vmalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd6ee688f'/>
+ <elf-symbol name='vmalloc_nr_pages' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ccb0ada'/>
+ <elf-symbol name='vmalloc_to_page' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e0556c0'/>
+ <elf-symbol name='vmalloc_to_pfn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3744cf36'/>
+ <elf-symbol name='vmalloc_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5635a60a'/>
+ <elf-symbol name='vmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1270d593'/>
+ <elf-symbol name='vmemdup_user' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x90576ec4'/>
+ <elf-symbol name='vmf_insert_mixed' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x335212b6'/>
+ <elf-symbol name='vmf_insert_pfn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c9de235'/>
+ <elf-symbol name='vmf_insert_pfn_prot' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4c67350d'/>
+ <elf-symbol name='vprintk' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x715a5ed0'/>
+ <elf-symbol name='vprintk_emit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xee8c02e9'/>
+ <elf-symbol name='vring_create_virtqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd4e0ca24'/>
+ <elf-symbol name='vring_del_virtqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a67569d'/>
+ <elf-symbol name='vring_interrupt' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xff05fa13'/>
+ <elf-symbol name='vring_new_virtqueue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b80b3a6'/>
+ <elf-symbol name='vring_transport_features' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb0324f4'/>
+ <elf-symbol name='vscnprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xaa0c318b'/>
+ <elf-symbol name='vsnprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x148653'/>
+ <elf-symbol name='vsock_addr_init' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x73879664'/>
+ <elf-symbol name='vsock_core_register' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd92f239a'/>
+ <elf-symbol name='vsock_core_unregister' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x92f526b7'/>
+ <elf-symbol name='vsock_for_each_connected_socket' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x72136f78'/>
+ <elf-symbol name='vsock_remove_sock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa644921c'/>
+ <elf-symbol name='vsprintf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x78b887ed'/>
+ <elf-symbol name='vsscanf' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x50d035c2'/>
+ <elf-symbol name='vunmap' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x94961283'/>
+ <elf-symbol name='vzalloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x40a9b349'/>
+ <elf-symbol name='vzalloc_node' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9e0c711d'/>
+ <elf-symbol name='wait_for_completion' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x25974000'/>
+ <elf-symbol name='wait_for_completion_interruptible' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2e3bcce2'/>
+ <elf-symbol name='wait_for_completion_interruptible_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf02aa937'/>
+ <elf-symbol name='wait_for_completion_io_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5c26a53b'/>
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+ <elf-symbol name='wait_for_completion_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4a3ad70e'/>
+ <elf-symbol name='wait_for_device_probe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4484a5a4'/>
+ <elf-symbol name='wait_woken' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb308c97d'/>
+ <elf-symbol name='wake_up_bit' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0fbac79'/>
+ <elf-symbol name='wake_up_if_idle' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf6abaae1'/>
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+ <elf-symbol name='watchdog_init_timeout' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7235039'/>
+ <elf-symbol name='watchdog_register_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xae0d6e28'/>
+ <elf-symbol name='watchdog_set_restart_priority' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf9962c66'/>
+ <elf-symbol name='watchdog_unregister_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3fd1e596'/>
+ <elf-symbol name='wireless_nlevent_flush' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1e8fac8e'/>
+ <elf-symbol name='wireless_send_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5535f68b'/>
+ <elf-symbol name='woken_wake_function' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd0654aba'/>
+ <elf-symbol name='work_busy' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x86ab091d'/>
+ <elf-symbol name='work_on_cpu' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf82f3657'/>
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+ <elf-symbol name='ww_mutex_unlock' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb55e131a'/>
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+ <elf-symbol name='xa_erase' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x745a981'/>
+ <elf-symbol name='xa_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8fa25c24'/>
+ <elf-symbol name='xa_find_after' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xdf36914b'/>
+ <elf-symbol name='xa_load' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa85a3e6d'/>
+ <elf-symbol name='xa_store' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5b3e282f'/>
+ <elf-symbol name='xdp_convert_zc_to_xdp_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b09ece1'/>
+ <elf-symbol name='xdp_do_flush' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb9681621'/>
+ <elf-symbol name='xdp_do_redirect' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd29f2c33'/>
+ <elf-symbol name='xdp_return_frame' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xccf9c950'/>
+ <elf-symbol name='xdp_return_frame_rx_napi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31fc743a'/>
+ <elf-symbol name='xdp_rxq_info_reg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc6e94764'/>
+ <elf-symbol name='xdp_rxq_info_reg_mem_model' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf4393639'/>
+ <elf-symbol name='xdp_rxq_info_unreg' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb919fa4d'/>
+ <elf-symbol name='xdp_warn' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xbb7195a5'/>
+ <elf-symbol name='xfrm_lookup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x2cb3e5ce'/>
+ <elf-symbol name='xfrm_output' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3b454d69'/>
+ <elf-symbol name='xfrm_state_lookup_byspi' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1a15ef6c'/>
+ <elf-symbol name='xfrm_stateonly_find' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc4c0e5a9'/>
+ <elf-symbol name='xhci_add_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x653e0cb8'/>
+ <elf-symbol name='xhci_address_device' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6cea113c'/>
+ <elf-symbol name='xhci_alloc_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd96f9a48'/>
+ <elf-symbol name='xhci_alloc_erst' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x60ee5dbe'/>
+ <elf-symbol name='xhci_bus_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3c627f22'/>
+ <elf-symbol name='xhci_bus_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7664b3d3'/>
+ <elf-symbol name='xhci_check_bandwidth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf3033055'/>
+ <elf-symbol name='xhci_check_trb_in_td_math' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf7a476b4'/>
+ <elf-symbol name='xhci_drop_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb049a9fa'/>
+ <elf-symbol name='xhci_free_command' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x871c5f42'/>
+ <elf-symbol name='xhci_free_erst' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xfbe5c52f'/>
+ <elf-symbol name='xhci_gen_setup' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x76f28618'/>
+ <elf-symbol name='xhci_get_endpoint_index' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x57d4050a'/>
+ <elf-symbol name='xhci_get_ep_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2747216'/>
+ <elf-symbol name='xhci_get_slot_ctx' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa7033702'/>
+ <elf-symbol name='xhci_handle_event' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4391ec5d'/>
+ <elf-symbol name='xhci_init_driver' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4a9e82d'/>
+ <elf-symbol name='xhci_initialize_ring_info' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf412b9dd'/>
+ <elf-symbol name='xhci_link_segments' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9a727e20'/>
+ <elf-symbol name='xhci_queue_stop_endpoint' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcf932950'/>
+ <elf-symbol name='xhci_reset_bandwidth' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7396e606'/>
+ <elf-symbol name='xhci_resume' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeeb3273d'/>
+ <elf-symbol name='xhci_ring_alloc' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa2a6bae1'/>
+ <elf-symbol name='xhci_ring_cmd_db' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xcc80957b'/>
+ <elf-symbol name='xhci_ring_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x1dfa58d5'/>
+ <elf-symbol name='xhci_run' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3e27a21f'/>
+ <elf-symbol name='xhci_segment_free' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xeb22ab4e'/>
+ <elf-symbol name='xhci_suspend' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe2c4697'/>
+ <elf-symbol name='xhci_trb_virt_to_dma' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x83e71096'/>
+ <elf-symbol name='xhci_update_erst_dequeue' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x31c3e5d5'/>
+ <elf-symbol name='xhci_vendor_get_ops' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5e9f7a97'/>
+ <elf-symbol name='zlib_deflate' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf2c43f3f'/>
+ <elf-symbol name='zlib_deflateEnd' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc890c008'/>
+ <elf-symbol name='zlib_deflateInit2' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5a0b73d0'/>
+ <elf-symbol name='zlib_deflateReset' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x6aeefac4'/>
+ <elf-symbol name='zlib_deflate_workspacesize' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe9f7149c'/>
+ <elf-symbol name='zone_watermark_ok' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x53b5d86a'/>
+ <elf-symbol name='zone_watermark_ok_safe' type='func-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x548933fb'/>
+ </elf-function-symbols>
+ <elf-variable-symbols>
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+ <elf-symbol name='__cpu_online_mask' size='8' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xac594e02'/>
+ <elf-symbol name='__cpu_possible_mask' size='8' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xde7ece30'/>
+ <elf-symbol name='__cpu_present_mask' size='8' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xb3055449'/>
+ <elf-symbol name='__drm_debug' size='4' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f18a150'/>
+ <elf-symbol name='__num_online_cpus' size='4' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc60d0620'/>
+ <elf-symbol name='__per_cpu_offset' size='256' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x280f9f14'/>
+ <elf-symbol name='__stack_chk_guard' size='8' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x8f678b07'/>
+ <elf-symbol name='__tracepoint_android_rvh_account_irq' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf0f46523'/>
+ <elf-symbol name='__tracepoint_android_rvh_after_dequeue_task' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x9ad4f5ba'/>
+ <elf-symbol name='__tracepoint_android_rvh_after_enqueue_task' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x36d08831'/>
+ <elf-symbol name='__tracepoint_android_rvh_arm64_serror_panic' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3eeb0795'/>
+ <elf-symbol name='__tracepoint_android_rvh_bad_mode' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x11c4733a'/>
+ <elf-symbol name='__tracepoint_android_rvh_binder_transaction' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x4f8ddeb5'/>
+ <elf-symbol name='__tracepoint_android_rvh_build_perf_domains' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7ff307b5'/>
+ <elf-symbol name='__tracepoint_android_rvh_can_migrate_task' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x89ef9455'/>
+ <elf-symbol name='__tracepoint_android_rvh_cgroup_force_kthread_migration' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xc180285'/>
+ <elf-symbol name='__tracepoint_android_rvh_check_preempt_tick' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd8871c3f'/>
+ <elf-symbol name='__tracepoint_android_rvh_check_preempt_wakeup' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7e34ad6c'/>
+ <elf-symbol name='__tracepoint_android_rvh_cpu_cgroup_attach' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe5107ad0'/>
+ <elf-symbol name='__tracepoint_android_rvh_cpu_cgroup_can_attach' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x85cf6bd2'/>
+ <elf-symbol name='__tracepoint_android_rvh_cpu_cgroup_online' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x3f3039c2'/>
+ <elf-symbol name='__tracepoint_android_rvh_cpu_overutilized' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x29b33046'/>
+ <elf-symbol name='__tracepoint_android_rvh_cpufreq_transition' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xda623954'/>
+ <elf-symbol name='__tracepoint_android_rvh_cpuset_fork' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa0966112'/>
+ <elf-symbol name='__tracepoint_android_rvh_dequeue_entity' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x5f0191c3'/>
+ <elf-symbol name='__tracepoint_android_rvh_dequeue_task' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xf992211e'/>
+ <elf-symbol name='__tracepoint_android_rvh_dequeue_task_fair' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x34684643'/>
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+ <elf-symbol name='__tracepoint_android_rvh_die_kernel_fault' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x33c9af1e'/>
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+ <elf-symbol name='__tracepoint_android_rvh_do_sched_yield' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xe4ee9cad'/>
+ <elf-symbol name='__tracepoint_android_rvh_do_sea' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x23501356'/>
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+ <elf-symbol name='__tracepoint_android_rvh_enqueue_entity' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xa9c271c6'/>
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+ <elf-symbol name='__tracepoint_android_rvh_find_busiest_queue' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0x7681ac90'/>
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+ <elf-symbol name='__tracepoint_android_rvh_find_lowest_rq' size='72' type='object-type' binding='global-binding' visibility='default-visibility' is-defined='yes' crc='0xd1276946'/>
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+ <function-decl name='__bitmap_and' mangled-name='__bitmap_and' filepath='lib/bitmap.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_and'>
+ <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='238' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='238' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='239' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='239' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__bitmap_andnot' mangled-name='__bitmap_andnot' filepath='lib/bitmap.c' line='276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_andnot'>
+ <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='276' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='276' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='277' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='277' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__bitmap_clear' mangled-name='__bitmap_clear' filepath='lib/bitmap.c' line='370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_clear'>
+ <parameter type-id='1d2c2b85' name='map' filepath='lib/bitmap.c' line='370' column='1'/>
+ <parameter type-id='f0981eeb' name='start' filepath='lib/bitmap.c' line='370' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='lib/bitmap.c' line='370' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__bitmap_complement' mangled-name='__bitmap_complement' filepath='lib/bitmap.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_complement'>
+ <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='82' column='1'/>
+ <parameter type-id='f9b37274' name='src' filepath='lib/bitmap.c' line='82' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='82' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__bitmap_equal' mangled-name='__bitmap_equal' filepath='lib/bitmap.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_equal'>
+ <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='46' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='47' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='47' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__bitmap_or' mangled-name='__bitmap_or' filepath='lib/bitmap.c' line='254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_or'>
+ <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='254' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='254' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='255' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='255' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__bitmap_replace' mangled-name='__bitmap_replace' filepath='lib/bitmap.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_replace'>
+ <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='292' column='1'/>
+ <parameter type-id='f9b37274' name='old' filepath='lib/bitmap.c' line='293' column='1'/>
+ <parameter type-id='f9b37274' name='new' filepath='lib/bitmap.c' line='293' column='1'/>
+ <parameter type-id='f9b37274' name='mask' filepath='lib/bitmap.c' line='294' column='1'/>
+ <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='294' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__bitmap_set' mangled-name='__bitmap_set' filepath='lib/bitmap.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_set'>
+ <parameter type-id='1d2c2b85' name='map' filepath='lib/bitmap.c' line='349' column='1'/>
+ <parameter type-id='f0981eeb' name='start' filepath='lib/bitmap.c' line='349' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='lib/bitmap.c' line='349' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__bitmap_weight' mangled-name='__bitmap_weight' filepath='lib/bitmap.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_weight'>
+ <parameter type-id='f9b37274' name='bitmap' filepath='lib/bitmap.c' line='334' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='334' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__bitmap_xor' mangled-name='__bitmap_xor' filepath='lib/bitmap.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__bitmap_xor'>
+ <parameter type-id='1d2c2b85' name='dst' filepath='lib/bitmap.c' line='265' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap1' filepath='lib/bitmap.c' line='265' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap2' filepath='lib/bitmap.c' line='266' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='266' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__blk_mq_debugfs_rq_show' mangled-name='__blk_mq_debugfs_rq_show' filepath='block/blk-mq-debugfs.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blk_mq_debugfs_rq_show'>
+ <parameter type-id='f8dc9def' name='m' filepath='block/blk-mq-debugfs.c' line='331' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-debugfs.c' line='331' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__blk_mq_end_request' mangled-name='__blk_mq_end_request' filepath='block/blk-mq.c' line='539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blk_mq_end_request'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='539' column='1'/>
+ <parameter type-id='f4e2facd' name='error' filepath='block/blk-mq.c' line='539' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__blk_rq_map_sg' mangled-name='__blk_rq_map_sg' filepath='block/blk-merge.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blk_rq_map_sg'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-merge.c' line='522' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-merge.c' line='522' column='1'/>
+ <parameter type-id='bf3ef905' name='sglist' filepath='block/blk-merge.c' line='523' column='1'/>
+ <parameter type-id='3f2244fd' name='last_sg' filepath='block/blk-merge.c' line='523' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__blkdev_issue_discard' mangled-name='__blkdev_issue_discard' filepath='block/blk-lib.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blkdev_issue_discard'>
+ <parameter type-id='b88dd945' name='bdev' filepath='block/blk-lib.c' line='25' column='1'/>
+ <parameter type-id='a42536cd' name='sector' filepath='block/blk-lib.c' line='25' column='1'/>
+ <parameter type-id='a42536cd' name='nr_sects' filepath='block/blk-lib.c' line='26' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-lib.c' line='26' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='block/blk-lib.c' line='26' column='1'/>
+ <parameter type-id='334817d1' name='biop' filepath='block/blk-lib.c' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__blkdev_issue_zeroout' mangled-name='__blkdev_issue_zeroout' filepath='block/blk-lib.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__blkdev_issue_zeroout'>
+ <parameter type-id='b88dd945' name='bdev' filepath='block/blk-lib.c' line='358' column='1'/>
+ <parameter type-id='a42536cd' name='sector' filepath='block/blk-lib.c' line='358' column='1'/>
+ <parameter type-id='a42536cd' name='nr_sects' filepath='block/blk-lib.c' line='359' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-lib.c' line='359' column='1'/>
+ <parameter type-id='334817d1' name='biop' filepath='block/blk-lib.c' line='359' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='block/blk-lib.c' line='360' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__cfi_slowpath' mangled-name='__cfi_slowpath' filepath='kernel/cfi.c' line='319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cfi_slowpath'>
+ <parameter type-id='9c313c2d' name='id' filepath='kernel/cfi.c' line='319' column='1'/>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='kernel/cfi.c' line='319' column='1'/>
+ <parameter type-id='eaa32e2f' name='diag' filepath='kernel/cfi.c' line='319' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__check_object_size' mangled-name='__check_object_size' filepath='mm/usercopy.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__check_object_size'>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='mm/usercopy.c' line='256' column='1'/>
+ <parameter type-id='7359adad' name='n' filepath='mm/usercopy.c' line='256' column='1'/>
+ <parameter type-id='b50a4934' name='to_user' filepath='mm/usercopy.c' line='256' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__class_create' mangled-name='__class_create' filepath='drivers/base/class.c' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__class_create'>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/base/class.c' line='226' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/class.c' line='226' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='drivers/base/class.c' line='227' column='1'/>
+ <return type-id='67aca04f'/>
+ </function-decl>
+ <function-decl name='__class_register' mangled-name='__class_register' filepath='drivers/base/class.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__class_register'>
+ <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='153' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='drivers/base/class.c' line='153' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__clk_determine_rate' mangled-name='__clk_determine_rate' filepath='drivers/clk/clk.c' line='1428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_determine_rate'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='1428' column='1'/>
+ <parameter type-id='23a0ad0a' name='req' filepath='drivers/clk/clk.c' line='1428' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__clk_get_hw' mangled-name='__clk_get_hw' filepath='drivers/clk/clk.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_get_hw'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='278' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='__clk_get_name' mangled-name='__clk_get_name' filepath='drivers/clk/clk.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_get_name'>
+ <parameter type-id='10f66866' name='clk' filepath='drivers/clk/clk.c' line='266' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='__clk_hw_register_divider' mangled-name='__clk_hw_register_divider' filepath='drivers/clk/clk-divider.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_hw_register_divider'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-divider.c' line='466' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-divider.c' line='467' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-divider.c' line='467' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-divider.c' line='468' column='1'/>
+ <parameter type-id='9e6d4b4e' name='parent_hw' filepath='drivers/clk/clk-divider.c' line='468' column='1'/>
+ <parameter type-id='4cdbecf4' name='parent_data' filepath='drivers/clk/clk-divider.c' line='469' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='469' column='1'/>
+ <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+ <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+ <parameter type-id='f9b06939' name='clk_divider_flags' filepath='drivers/clk/clk-divider.c' line='470' column='1'/>
+ <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='471' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-divider.c' line='471' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='__clk_hw_register_fixed_rate' mangled-name='__clk_hw_register_fixed_rate' filepath='drivers/clk/clk-fixed-rate.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_hw_register_fixed_rate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-fixed-rate.c' line='52' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-fixed-rate.c' line='53' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-fixed-rate.c' line='53' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-fixed-rate.c' line='54' column='1'/>
+ <parameter type-id='9e6d4b4e' name='parent_hw' filepath='drivers/clk/clk-fixed-rate.c' line='54' column='1'/>
+ <parameter type-id='4cdbecf4' name='parent_data' filepath='drivers/clk/clk-fixed-rate.c' line='55' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-fixed-rate.c' line='55' column='1'/>
+ <parameter type-id='7359adad' name='fixed_rate' filepath='drivers/clk/clk-fixed-rate.c' line='56' column='1'/>
+ <parameter type-id='7359adad' name='fixed_accuracy' filepath='drivers/clk/clk-fixed-rate.c' line='56' column='1'/>
+ <parameter type-id='7359adad' name='clk_fixed_flags' filepath='drivers/clk/clk-fixed-rate.c' line='57' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='__clk_hw_register_gate' mangled-name='__clk_hw_register_gate' filepath='drivers/clk/clk-gate.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_hw_register_gate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-gate.c' line='126' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-gate.c' line='127' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-gate.c' line='127' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-gate.c' line='128' column='1'/>
+ <parameter type-id='9e6d4b4e' name='parent_hw' filepath='drivers/clk/clk-gate.c' line='128' column='1'/>
+ <parameter type-id='4cdbecf4' name='parent_data' filepath='drivers/clk/clk-gate.c' line='129' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-gate.c' line='130' column='1'/>
+ <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-gate.c' line='131' column='1'/>
+ <parameter type-id='f9b06939' name='bit_idx' filepath='drivers/clk/clk-gate.c' line='131' column='1'/>
+ <parameter type-id='f9b06939' name='clk_gate_flags' filepath='drivers/clk/clk-gate.c' line='132' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-gate.c' line='132' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='__clk_hw_register_mux' mangled-name='__clk_hw_register_mux' filepath='drivers/clk/clk-mux.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_hw_register_mux'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-mux.c' line='148' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-mux.c' line='148' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-mux.c' line='149' column='1'/>
+ <parameter type-id='f9b06939' name='num_parents' filepath='drivers/clk/clk-mux.c' line='149' column='1'/>
+ <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-mux.c' line='150' column='1'/>
+ <parameter type-id='ca0dae6c' name='parent_hws' filepath='drivers/clk/clk-mux.c' line='151' column='1'/>
+ <parameter type-id='4cdbecf4' name='parent_data' filepath='drivers/clk/clk-mux.c' line='152' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+ <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+ <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='drivers/clk/clk-mux.c' line='153' column='1'/>
+ <parameter type-id='f9b06939' name='clk_mux_flags' filepath='drivers/clk/clk-mux.c' line='154' column='1'/>
+ <parameter type-id='f9409001' name='table' filepath='drivers/clk/clk-mux.c' line='154' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-mux.c' line='154' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='__clk_is_enabled' mangled-name='__clk_is_enabled' filepath='drivers/clk/clk.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_is_enabled'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='529' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__clk_mux_determine_rate' mangled-name='__clk_mux_determine_rate' filepath='drivers/clk/clk.c' line='655' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_mux_determine_rate'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='655' column='1'/>
+ <parameter type-id='23a0ad0a' name='req' filepath='drivers/clk/clk.c' line='656' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__clk_mux_determine_rate_closest' mangled-name='__clk_mux_determine_rate_closest' filepath='drivers/clk/clk.c' line='662' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clk_mux_determine_rate_closest'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='662' column='1'/>
+ <parameter type-id='23a0ad0a' name='req' filepath='drivers/clk/clk.c' line='663' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__clocksource_register_scale' mangled-name='__clocksource_register_scale' filepath='kernel/time/clocksource.c' line='1026' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__clocksource_register_scale'>
+ <parameter type-id='4dfe71de' name='cs' filepath='kernel/time/clocksource.c' line='1026' column='1'/>
+ <parameter type-id='19c2251e' name='scale' filepath='kernel/time/clocksource.c' line='1026' column='1'/>
+ <parameter type-id='19c2251e' name='freq' filepath='kernel/time/clocksource.c' line='1026' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__close_fd' mangled-name='__close_fd' filepath='fs/file.c' line='663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__close_fd'>
+ <parameter type-id='16c53416' name='files' filepath='fs/file.c' line='663' column='1'/>
+ <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='663' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__const_udelay' mangled-name='__const_udelay' filepath='arch/arm64/lib/delay.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__const_udelay'>
+ <parameter type-id='7359adad' name='xloops' filepath='arch/arm64/lib/delay.c' line='43' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='__cpu_active_mask' type-id='1354385d' mangled-name='__cpu_active_mask' visibility='default' filepath='kernel/cpu.c' line='2805' column='1' elf-symbol-id='__cpu_active_mask'/>
+ <var-decl name='__cpu_online_mask' type-id='1354385d' mangled-name='__cpu_online_mask' visibility='default' filepath='kernel/cpu.c' line='2799' column='1' elf-symbol-id='__cpu_online_mask'/>
+ <var-decl name='__cpu_possible_mask' type-id='1354385d' mangled-name='__cpu_possible_mask' visibility='default' filepath='kernel/cpu.c' line='2795' column='1' elf-symbol-id='__cpu_possible_mask'/>
+ <var-decl name='__cpu_present_mask' type-id='1354385d' mangled-name='__cpu_present_mask' visibility='default' filepath='kernel/cpu.c' line='2802' column='1' elf-symbol-id='__cpu_present_mask'/>
+ <function-decl name='__cpufreq_driver_target' mangled-name='__cpufreq_driver_target' filepath='drivers/cpufreq/cpufreq.c' line='2209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpufreq_driver_target'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2209' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='2210' column='1'/>
+ <parameter type-id='f0981eeb' name='relation' filepath='drivers/cpufreq/cpufreq.c' line='2211' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__cpuhp_remove_state' mangled-name='__cpuhp_remove_state' filepath='kernel/cpu.c' line='2403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_remove_state'>
+ <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2403' column='1'/>
+ <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2403' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__cpuhp_setup_state' mangled-name='__cpuhp_setup_state' filepath='kernel/cpu.c' line='2301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_setup_state'>
+ <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2301' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/cpu.c' line='2302' column='1'/>
+ <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2302' column='1'/>
+ <parameter type-id='f02a5e83' name='startup' filepath='kernel/cpu.c' line='2303' column='1'/>
+ <parameter type-id='f02a5e83' name='teardown' filepath='kernel/cpu.c' line='2304' column='1'/>
+ <parameter type-id='b50a4934' name='multi_instance' filepath='kernel/cpu.c' line='2305' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__cpuhp_setup_state_cpuslocked' mangled-name='__cpuhp_setup_state_cpuslocked' filepath='kernel/cpu.c' line='2242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_setup_state_cpuslocked'>
+ <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2242' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/cpu.c' line='2243' column='1'/>
+ <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2243' column='1'/>
+ <parameter type-id='f02a5e83' name='startup' filepath='kernel/cpu.c' line='2244' column='1'/>
+ <parameter type-id='f02a5e83' name='teardown' filepath='kernel/cpu.c' line='2245' column='1'/>
+ <parameter type-id='b50a4934' name='multi_instance' filepath='kernel/cpu.c' line='2246' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__cpuhp_state_add_instance' mangled-name='__cpuhp_state_add_instance' filepath='kernel/cpu.c' line='2213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_state_add_instance'>
+ <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2213' column='1'/>
+ <parameter type-id='08cbad52' name='node' filepath='kernel/cpu.c' line='2213' column='1'/>
+ <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__cpuhp_state_remove_instance' mangled-name='__cpuhp_state_remove_instance' filepath='kernel/cpu.c' line='2317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__cpuhp_state_remove_instance'>
+ <parameter type-id='245a0e38' name='state' filepath='kernel/cpu.c' line='2317' column='1'/>
+ <parameter type-id='08cbad52' name='node' filepath='kernel/cpu.c' line='2318' column='1'/>
+ <parameter type-id='b50a4934' name='invoke' filepath='kernel/cpu.c' line='2318' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__crypto_memneq' mangled-name='__crypto_memneq' filepath='crypto/memneq.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__crypto_memneq'>
+ <parameter type-id='eaa32e2f' name='a' filepath='crypto/memneq.c' line='156' column='1'/>
+ <parameter type-id='eaa32e2f' name='b' filepath='crypto/memneq.c' line='156' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='crypto/memneq.c' line='157' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='__crypto_xor' mangled-name='__crypto_xor' filepath='crypto/algapi.c' line='994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__crypto_xor'>
+ <parameter type-id='8bff8096' name='dst' filepath='crypto/algapi.c' line='994' column='1'/>
+ <parameter type-id='bbaf3419' name='src1' filepath='crypto/algapi.c' line='994' column='1'/>
+ <parameter type-id='bbaf3419' name='src2' filepath='crypto/algapi.c' line='994' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/algapi.c' line='994' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__dev_direct_xmit' mangled-name='__dev_direct_xmit' filepath='net/core/dev.c' line='4211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dev_direct_xmit'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4211' column='1'/>
+ <parameter type-id='1dc6a898' name='queue_id' filepath='net/core/dev.c' line='4211' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__dev_get_by_index' mangled-name='__dev_get_by_index' filepath='net/core/dev.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dev_get_by_index'>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/dev.c' line='935' column='1'/>
+ <parameter type-id='95e97e5e' name='ifindex' filepath='net/core/dev.c' line='935' column='1'/>
+ <return type-id='68a2d05b'/>
+ </function-decl>
+ <function-decl name='__dev_kfree_skb_any' mangled-name='__dev_kfree_skb_any' filepath='net/core/dev.c' line='3123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dev_kfree_skb_any'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3123' column='1'/>
+ <parameter type-id='1f17c6b4' name='reason' filepath='net/core/dev.c' line='3123' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__device_reset' mangled-name='__device_reset' filepath='drivers/reset/core.c' line='817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__device_reset'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='817' column='1'/>
+ <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='817' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__devm_alloc_percpu' mangled-name='__devm_alloc_percpu' filepath='drivers/base/devres.c' line='1197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_alloc_percpu'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1197' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/base/devres.c' line='1197' column='1'/>
+ <parameter type-id='b59d7dce' name='align' filepath='drivers/base/devres.c' line='1198' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__devm_drm_dev_alloc' mangled-name='__devm_drm_dev_alloc' filepath='drivers/gpu/drm/drm_drv.c' line='681' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_drm_dev_alloc'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/gpu/drm/drm_drv.c' line='681' column='1'/>
+ <parameter type-id='1d52bc4d' name='driver' filepath='drivers/gpu/drm/drm_drv.c' line='681' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_drv.c' line='682' column='1'/>
+ <parameter type-id='b59d7dce' name='offset' filepath='drivers/gpu/drm/drm_drv.c' line='682' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__devm_iio_device_register' mangled-name='__devm_iio_device_register' filepath='drivers/iio/industrialio-core.c' line='1823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_iio_device_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/industrialio-core.c' line='1823' column='1'/>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1823' column='1'/>
+ <parameter type-id='2730d015' name='this_mod' filepath='drivers/iio/industrialio-core.c' line='1824' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__devm_irq_alloc_descs' mangled-name='__devm_irq_alloc_descs' filepath='kernel/irq/devres.c' line='178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_irq_alloc_descs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='178' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='kernel/irq/devres.c' line='178' column='1'/>
+ <parameter type-id='f0981eeb' name='from' filepath='kernel/irq/devres.c' line='178' column='1'/>
+ <parameter type-id='f0981eeb' name='cnt' filepath='kernel/irq/devres.c' line='179' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='kernel/irq/devres.c' line='179' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='kernel/irq/devres.c' line='179' column='1'/>
+ <parameter type-id='07779cd9' name='affinity' filepath='kernel/irq/devres.c' line='180' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__devm_of_phy_provider_register' mangled-name='__devm_of_phy_provider_register' filepath='drivers/phy/phy-core.c' line='1075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_of_phy_provider_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='1075' column='1'/>
+ <parameter type-id='9a537bbe' name='children' filepath='drivers/phy/phy-core.c' line='1076' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/phy/phy-core.c' line='1076' column='1'/>
+ <parameter type-id='df697557' name='of_xlate' filepath='drivers/phy/phy-core.c' line='1077' column='1'/>
+ <return type-id='3608d096'/>
+ </function-decl>
+ <function-decl name='__devm_regmap_init' mangled-name='__devm_regmap_init' filepath='drivers/base/regmap/regmap.c' line='1210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='1210' column='1'/>
+ <parameter type-id='00e96299' name='bus' filepath='drivers/base/regmap/regmap.c' line='1211' column='1'/>
+ <parameter type-id='eaa32e2f' name='bus_context' filepath='drivers/base/regmap/regmap.c' line='1212' column='1'/>
+ <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap.c' line='1213' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap.c' line='1214' column='1'/>
+ <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap.c' line='1215' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='__devm_regmap_init_i2c' mangled-name='__devm_regmap_init_i2c' filepath='drivers/base/regmap/regmap-i2c.c' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init_i2c'>
+ <parameter type-id='3e31633b' name='i2c' filepath='drivers/base/regmap/regmap-i2c.c' line='353' column='1'/>
+ <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap-i2c.c' line='354' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap-i2c.c' line='355' column='1'/>
+ <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap-i2c.c' line='356' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='__devm_regmap_init_mmio_clk' mangled-name='__devm_regmap_init_mmio_clk' filepath='drivers/base/regmap/regmap-mmio.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init_mmio_clk'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap-mmio.c' line='339' column='1'/>
+ <parameter type-id='80f4b756' name='clk_id' filepath='drivers/base/regmap/regmap-mmio.c' line='340' column='1'/>
+ <parameter type-id='eaa32e2f' name='regs' filepath='drivers/base/regmap/regmap-mmio.c' line='341' column='1'/>
+ <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap-mmio.c' line='342' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap-mmio.c' line='343' column='1'/>
+ <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap-mmio.c' line='344' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='__devm_regmap_init_spi' mangled-name='__devm_regmap_init_spi' filepath='drivers/base/regmap/regmap-spi.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_regmap_init_spi'>
+ <parameter type-id='e90f4666' name='spi' filepath='drivers/base/regmap/regmap-spi.c' line='122' column='1'/>
+ <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap-spi.c' line='123' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap-spi.c' line='124' column='1'/>
+ <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap-spi.c' line='125' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='__devm_release_region' mangled-name='__devm_release_region' filepath='kernel/resource.c' line='1545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_release_region'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/resource.c' line='1545' column='1'/>
+ <parameter type-id='c9d64c0d' name='parent' filepath='kernel/resource.c' line='1545' column='1'/>
+ <parameter type-id='acc63fdf' name='start' filepath='kernel/resource.c' line='1546' column='1'/>
+ <parameter type-id='acc63fdf' name='n' filepath='kernel/resource.c' line='1546' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__devm_request_region' mangled-name='__devm_request_region' filepath='kernel/resource.c' line='1520' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_request_region'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/resource.c' line='1520' column='1'/>
+ <parameter type-id='c9d64c0d' name='parent' filepath='kernel/resource.c' line='1520' column='1'/>
+ <parameter type-id='acc63fdf' name='start' filepath='kernel/resource.c' line='1521' column='1'/>
+ <parameter type-id='acc63fdf' name='n' filepath='kernel/resource.c' line='1521' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/resource.c' line='1521' column='1'/>
+ <return type-id='c9d64c0d'/>
+ </function-decl>
+ <function-decl name='__devm_reset_control_get' mangled-name='__devm_reset_control_get' filepath='drivers/reset/core.c' line='783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_reset_control_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='783' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/reset/core.c' line='784' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/reset/core.c' line='784' column='1'/>
+ <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='784' column='1'/>
+ <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='785' column='1'/>
+ <parameter type-id='b50a4934' name='acquired' filepath='drivers/reset/core.c' line='785' column='1'/>
+ <return type-id='9f9b8114'/>
+ </function-decl>
+ <function-decl name='__devm_spi_alloc_controller' mangled-name='__devm_spi_alloc_controller' filepath='drivers/spi/spi.c' line='2490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__devm_spi_alloc_controller'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/spi/spi.c' line='2490' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='drivers/spi/spi.c' line='2491' column='1'/>
+ <parameter type-id='b50a4934' name='slave' filepath='drivers/spi/spi.c' line='2492' column='1'/>
+ <return type-id='f22e4524'/>
+ </function-decl>
+ <function-decl name='__dma_request_channel' mangled-name='__dma_request_channel' filepath='drivers/dma/dmaengine.c' line='755' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dma_request_channel'>
+ <parameter type-id='d2b9f7d5' name='mask' filepath='drivers/dma/dmaengine.c' line='755' column='1'/>
+ <parameter type-id='55f53546' name='fn' filepath='drivers/dma/dmaengine.c' line='756' column='1'/>
+ <parameter type-id='eaa32e2f' name='fn_param' filepath='drivers/dma/dmaengine.c' line='756' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/dma/dmaengine.c' line='757' column='1'/>
+ <return type-id='27f3f5d8'/>
+ </function-decl>
+ <function-decl name='__do_once_done' mangled-name='__do_once_done' filepath='lib/once.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__do_once_done'>
+ <parameter type-id='d8e6b335' name='done' filepath='lib/once.c' line='55' column='1'/>
+ <parameter type-id='ac6963b2' name='once_key' filepath='lib/once.c' line='55' column='1'/>
+ <parameter type-id='1d2c2b85' name='flags' filepath='lib/once.c' line='56' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__do_once_start' mangled-name='__do_once_start' filepath='lib/once.c' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__do_once_start'>
+ <parameter type-id='d8e6b335' name='done' filepath='lib/once.c' line='37' column='1'/>
+ <parameter type-id='1d2c2b85' name='flags' filepath='lib/once.c' line='37' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_connector_destroy_state' mangled-name='__drm_atomic_helper_connector_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_connector_destroy_state'>
+ <parameter type-id='249ef586' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='514' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_connector_duplicate_state' mangled-name='__drm_atomic_helper_connector_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_connector_duplicate_state'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='466' column='1'/>
+ <parameter type-id='249ef586' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='467' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_connector_reset' mangled-name='__drm_atomic_helper_connector_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_connector_reset'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='408' column='1'/>
+ <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='409' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_crtc_destroy_state' mangled-name='__drm_atomic_helper_crtc_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_crtc_destroy_state'>
+ <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='191' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_crtc_duplicate_state' mangled-name='__drm_atomic_helper_crtc_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_crtc_duplicate_state'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='131' column='1'/>
+ <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='132' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_crtc_reset' mangled-name='__drm_atomic_helper_crtc_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_crtc_reset'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='91' column='1'/>
+ <parameter type-id='35078cb9' name='crtc_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='92' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_disable_plane' mangled-name='__drm_atomic_helper_disable_plane' filepath='drivers/gpu/drm/drm_atomic.c' line='1379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_disable_plane'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic.c' line='1379' column='1'/>
+ <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic.c' line='1380' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_plane_destroy_state' mangled-name='__drm_atomic_helper_plane_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_plane_destroy_state'>
+ <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='348' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_plane_duplicate_state' mangled-name='__drm_atomic_helper_plane_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_plane_duplicate_state'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='303' column='1'/>
+ <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='304' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_plane_reset' mangled-name='__drm_atomic_helper_plane_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_plane_reset'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='266' column='1'/>
+ <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='267' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_helper_private_obj_duplicate_state' mangled-name='__drm_atomic_helper_private_obj_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_helper_private_obj_duplicate_state'>
+ <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='553' column='1'/>
+ <parameter type-id='4ea020ae' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='554' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_atomic_state_free' mangled-name='__drm_atomic_state_free' filepath='drivers/gpu/drm/drm_atomic.c' line='257' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_atomic_state_free'>
+ <parameter type-id='aa29ecab' name='ref' filepath='drivers/gpu/drm/drm_atomic.c' line='257' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_crtc_commit_free' mangled-name='__drm_crtc_commit_free' filepath='drivers/gpu/drm/drm_atomic.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_crtc_commit_free'>
+ <parameter type-id='aa29ecab' name='kref' filepath='drivers/gpu/drm/drm_atomic.c' line='46' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_dbg' mangled-name='__drm_dbg' filepath='drivers/gpu/drm/drm_print.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_dbg'>
+ <parameter type-id='189697ba' name='category' filepath='drivers/gpu/drm/drm_print.c' line='283' column='1'/>
+ <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='283' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='__drm_debug' type-id='f0981eeb' mangled-name='__drm_debug' visibility='default' filepath='drivers/gpu/drm/drm_print.c' line='43' column='1' elf-symbol-id='__drm_debug'/>
+ <function-decl name='__drm_err' mangled-name='__drm_err' filepath='drivers/gpu/drm/drm_print.c' line='302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_err'>
+ <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='302' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_printfn_coredump' mangled-name='__drm_printfn_coredump' filepath='drivers/gpu/drm/drm_print.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_printfn_coredump'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='99' column='1'/>
+ <parameter type-id='3b5c2208' name='vaf' filepath='drivers/gpu/drm/drm_print.c' line='99' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_printfn_info' mangled-name='__drm_printfn_info' filepath='drivers/gpu/drm/drm_print.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_printfn_info'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='157' column='1'/>
+ <parameter type-id='3b5c2208' name='vaf' filepath='drivers/gpu/drm/drm_print.c' line='157' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_printfn_seq_file' mangled-name='__drm_printfn_seq_file' filepath='drivers/gpu/drm/drm_print.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_printfn_seq_file'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='151' column='1'/>
+ <parameter type-id='3b5c2208' name='vaf' filepath='drivers/gpu/drm/drm_print.c' line='151' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_puts_coredump' mangled-name='__drm_puts_coredump' filepath='drivers/gpu/drm/drm_print.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_puts_coredump'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='57' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='drivers/gpu/drm/drm_print.c' line='57' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__drm_puts_seq_file' mangled-name='__drm_puts_seq_file' filepath='drivers/gpu/drm/drm_print.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__drm_puts_seq_file'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='145' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='drivers/gpu/drm/drm_print.c' line='145' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__dynamic_dev_dbg' mangled-name='__dynamic_dev_dbg' filepath='lib/dynamic_debug.c' line='641' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dynamic_dev_dbg'>
+ <parameter type-id='7c67ab39' name='descriptor' filepath='lib/dynamic_debug.c' line='641' column='1'/>
+ <parameter type-id='8df61054' name='dev' filepath='lib/dynamic_debug.c' line='642' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/dynamic_debug.c' line='642' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__dynamic_pr_debug' mangled-name='__dynamic_pr_debug' filepath='lib/dynamic_debug.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__dynamic_pr_debug'>
+ <parameter type-id='7c67ab39' name='descriptor' filepath='lib/dynamic_debug.c' line='621' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/dynamic_debug.c' line='621' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__ethtool_get_link_ksettings' mangled-name='__ethtool_get_link_ksettings' filepath='net/ethtool/ioctl.c' line='427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ethtool_get_link_ksettings'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='427' column='1'/>
+ <parameter type-id='70de91e2' name='link_ksettings' filepath='net/ethtool/ioctl.c' line='428' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__fdget' mangled-name='__fdget' filepath='fs/file.c' line='911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__fdget'>
+ <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='911' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='__free_pages' mangled-name='__free_pages' filepath='mm/page_alloc.c' line='5170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__free_pages'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='5170' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='5170' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__genphy_config_aneg' mangled-name='__genphy_config_aneg' filepath='drivers/net/phy/phy_device.c' line='2091' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__genphy_config_aneg'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2091' column='1'/>
+ <parameter type-id='b50a4934' name='changed' filepath='drivers/net/phy/phy_device.c' line='2091' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__get_free_pages' mangled-name='__get_free_pages' filepath='mm/page_alloc.c' line='5145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__get_free_pages'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/page_alloc.c' line='5145' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='5145' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='__get_task_comm' mangled-name='__get_task_comm' filepath='fs/exec.c' line='1212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__get_task_comm'>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/exec.c' line='1212' column='1'/>
+ <parameter type-id='b59d7dce' name='buf_size' filepath='fs/exec.c' line='1212' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='fs/exec.c' line='1212' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='__get_vm_area_caller' mangled-name='__get_vm_area_caller' filepath='mm/vmalloc.c' line='2097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__get_vm_area_caller'>
+ <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2097' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='mm/vmalloc.c' line='2097' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='mm/vmalloc.c' line='2098' column='1'/>
+ <parameter type-id='7359adad' name='end' filepath='mm/vmalloc.c' line='2098' column='1'/>
+ <parameter type-id='eaa32e2f' name='caller' filepath='mm/vmalloc.c' line='2099' column='1'/>
+ <return type-id='d295dab2'/>
+ </function-decl>
+ <function-decl name='__getblk_gfp' mangled-name='__getblk_gfp' filepath='fs/buffer.c' line='1356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__getblk_gfp'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/buffer.c' line='1356' column='1'/>
+ <parameter type-id='a42536cd' name='block' filepath='fs/buffer.c' line='1356' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='fs/buffer.c' line='1357' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='fs/buffer.c' line='1357' column='1'/>
+ <return type-id='c485c22c'/>
+ </function-decl>
+ <function-decl name='__hci_cmd_sync' mangled-name='__hci_cmd_sync' filepath='net/bluetooth/hci_request.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hci_cmd_sync'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_request.c' line='184' column='1'/>
+ <parameter type-id='1dc6a898' name='opcode' filepath='net/bluetooth/hci_request.c' line='184' column='1'/>
+ <parameter type-id='19c2251e' name='plen' filepath='net/bluetooth/hci_request.c' line='184' column='1'/>
+ <parameter type-id='eaa32e2f' name='param' filepath='net/bluetooth/hci_request.c' line='185' column='1'/>
+ <parameter type-id='19c2251e' name='timeout' filepath='net/bluetooth/hci_request.c' line='185' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='__hci_cmd_sync_ev' mangled-name='__hci_cmd_sync_ev' filepath='net/bluetooth/hci_request.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hci_cmd_sync_ev'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_request.c' line='127' column='1'/>
+ <parameter type-id='1dc6a898' name='opcode' filepath='net/bluetooth/hci_request.c' line='127' column='1'/>
+ <parameter type-id='19c2251e' name='plen' filepath='net/bluetooth/hci_request.c' line='127' column='1'/>
+ <parameter type-id='eaa32e2f' name='param' filepath='net/bluetooth/hci_request.c' line='128' column='1'/>
+ <parameter type-id='f9b06939' name='event' filepath='net/bluetooth/hci_request.c' line='128' column='1'/>
+ <parameter type-id='19c2251e' name='timeout' filepath='net/bluetooth/hci_request.c' line='128' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='__hid_register_driver' mangled-name='__hid_register_driver' filepath='drivers/hid/hid-core.c' line='2542' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hid_register_driver'>
+ <parameter type-id='cbd2074d' name='hdrv' filepath='drivers/hid/hid-core.c' line='2542' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/hid/hid-core.c' line='2542' column='1'/>
+ <parameter type-id='80f4b756' name='mod_name' filepath='drivers/hid/hid-core.c' line='2543' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__hid_request' mangled-name='__hid_request' filepath='drivers/hid/hid-core.c' line='1709' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hid_request'>
+ <parameter type-id='37175e4d' name='hid' filepath='drivers/hid/hid-core.c' line='1709' column='1'/>
+ <parameter type-id='5b4284d1' name='report' filepath='drivers/hid/hid-core.c' line='1709' column='1'/>
+ <parameter type-id='95e97e5e' name='reqtype' filepath='drivers/hid/hid-core.c' line='1710' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__hrtimer_get_remaining' mangled-name='__hrtimer_get_remaining' filepath='kernel/time/hrtimer.c' line='1355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hrtimer_get_remaining'>
+ <parameter type-id='1ce53783' name='timer' filepath='kernel/time/hrtimer.c' line='1355' column='1'/>
+ <parameter type-id='b50a4934' name='adjust' filepath='kernel/time/hrtimer.c' line='1355' column='1'/>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='__hvc_resize' mangled-name='__hvc_resize' filepath='drivers/tty/hvc/hvc_console.c' line='778' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hvc_resize'>
+ <parameter type-id='352b95f6' name='hp' filepath='drivers/tty/hvc/hvc_console.c' line='778' column='1'/>
+ <parameter type-id='a818b7a0' name='ws' filepath='drivers/tty/hvc/hvc_console.c' line='778' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__hw_addr_init' mangled-name='__hw_addr_init' filepath='net/core/dev_addr_lists.c' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hw_addr_init'>
+ <parameter type-id='9ed060a0' name='list' filepath='net/core/dev_addr_lists.c' line='417' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__hw_addr_sync' mangled-name='__hw_addr_sync' filepath='net/core/dev_addr_lists.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hw_addr_sync'>
+ <parameter type-id='9ed060a0' name='to_list' filepath='net/core/dev_addr_lists.c' line='192' column='1'/>
+ <parameter type-id='9ed060a0' name='from_list' filepath='net/core/dev_addr_lists.c' line='193' column='1'/>
+ <parameter type-id='95e97e5e' name='addr_len' filepath='net/core/dev_addr_lists.c' line='194' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__hw_addr_unsync' mangled-name='__hw_addr_unsync' filepath='net/core/dev_addr_lists.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hw_addr_unsync'>
+ <parameter type-id='9ed060a0' name='to_list' filepath='net/core/dev_addr_lists.c' line='211' column='1'/>
+ <parameter type-id='9ed060a0' name='from_list' filepath='net/core/dev_addr_lists.c' line='212' column='1'/>
+ <parameter type-id='95e97e5e' name='addr_len' filepath='net/core/dev_addr_lists.c' line='213' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__hwspin_lock_timeout' mangled-name='__hwspin_lock_timeout' filepath='drivers/hwspinlock/hwspinlock_core.c' line='206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hwspin_lock_timeout'>
+ <parameter type-id='0cb0b26f' name='hwlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='206' column='1'/>
+ <parameter type-id='f0981eeb' name='to' filepath='drivers/hwspinlock/hwspinlock_core.c' line='206' column='1'/>
+ <parameter type-id='95e97e5e' name='mode' filepath='drivers/hwspinlock/hwspinlock_core.c' line='207' column='1'/>
+ <parameter type-id='1d2c2b85' name='flags' filepath='drivers/hwspinlock/hwspinlock_core.c' line='207' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__hwspin_unlock' mangled-name='__hwspin_unlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__hwspin_unlock'>
+ <parameter type-id='0cb0b26f' name='hwlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1'/>
+ <parameter type-id='95e97e5e' name='mode' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1'/>
+ <parameter type-id='1d2c2b85' name='flags' filepath='drivers/hwspinlock/hwspinlock_core.c' line='265' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__i2c_smbus_xfer' mangled-name='__i2c_smbus_xfer' filepath='drivers/i2c/i2c-core-smbus.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__i2c_smbus_xfer'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-smbus.c' line='550' column='1'/>
+ <parameter type-id='1dc6a898' name='addr' filepath='drivers/i2c/i2c-core-smbus.c' line='550' column='1'/>
+ <parameter type-id='8efea9e5' name='flags' filepath='drivers/i2c/i2c-core-smbus.c' line='551' column='1'/>
+ <parameter type-id='a84c031d' name='read_write' filepath='drivers/i2c/i2c-core-smbus.c' line='551' column='1'/>
+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='552' column='1'/>
+ <parameter type-id='95e97e5e' name='protocol' filepath='drivers/i2c/i2c-core-smbus.c' line='552' column='1'/>
+ <parameter type-id='a556dccb' name='data' filepath='drivers/i2c/i2c-core-smbus.c' line='552' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='__i2c_transfer' mangled-name='__i2c_transfer' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__i2c_transfer'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1'/>
+ <parameter type-id='cd44bc95' name='msgs' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='drivers/i2c/i2c-core-base.c' line='2018' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__iio_device_register' mangled-name='__iio_device_register' filepath='drivers/iio/industrialio-core.c' line='1721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__iio_device_register'>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1721' column='1'/>
+ <parameter type-id='2730d015' name='this_mod' filepath='drivers/iio/industrialio-core.c' line='1721' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__init_rwsem' mangled-name='__init_rwsem' filepath='kernel/locking/rwsem.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__init_rwsem'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='325' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/locking/rwsem.c' line='325' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='kernel/locking/rwsem.c' line='326' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__init_swait_queue_head' mangled-name='__init_swait_queue_head' filepath='kernel/sched/swait.c' line='7' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__init_swait_queue_head'>
+ <parameter type-id='571ea5c0' name='q' filepath='kernel/sched/swait.c' line='7' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/sched/swait.c' line='7' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='kernel/sched/swait.c' line='8' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__init_waitqueue_head' mangled-name='__init_waitqueue_head' filepath='kernel/sched/wait.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__init_waitqueue_head'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='10' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/sched/wait.c' line='10' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='kernel/sched/wait.c' line='10' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__ioread32_copy' mangled-name='__ioread32_copy' filepath='lib/iomap_copy.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ioread32_copy'>
+ <parameter type-id='eaa32e2f' name='to' filepath='lib/iomap_copy.c' line='42' column='1'/>
+ <parameter type-id='eaa32e2f' name='from' filepath='lib/iomap_copy.c' line='42' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/iomap_copy.c' line='42' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__ioremap' mangled-name='__ioremap' filepath='arch/arm64/mm/ioremap.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ioremap'>
+ <parameter type-id='2522883d' name='phys_addr' filepath='arch/arm64/mm/ioremap.c' line='64' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='arch/arm64/mm/ioremap.c' line='64' column='1'/>
+ <parameter type-id='2e2dcbd3' name='prot' filepath='arch/arm64/mm/ioremap.c' line='64' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__iowrite32_copy' mangled-name='__iowrite32_copy' filepath='lib/iomap_copy.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__iowrite32_copy'>
+ <parameter type-id='eaa32e2f' name='to' filepath='lib/iomap_copy.c' line='19' column='1'/>
+ <parameter type-id='eaa32e2f' name='from' filepath='lib/iomap_copy.c' line='20' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/iomap_copy.c' line='21' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__ipv6_addr_type' mangled-name='__ipv6_addr_type' filepath='net/ipv6/addrconf_core.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ipv6_addr_type'>
+ <parameter type-id='fea9c20b' name='addr' filepath='net/ipv6/addrconf_core.c' line='38' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__irq_alloc_descs' mangled-name='__irq_alloc_descs' filepath='kernel/irq/irqdesc.c' line='779' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__irq_alloc_descs'>
+ <parameter type-id='95e97e5e' name='irq' filepath='kernel/irq/irqdesc.c' line='779' column='1'/>
+ <parameter type-id='f0981eeb' name='from' filepath='kernel/irq/irqdesc.c' line='779' column='1'/>
+ <parameter type-id='f0981eeb' name='cnt' filepath='kernel/irq/irqdesc.c' line='779' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='kernel/irq/irqdesc.c' line='779' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='kernel/irq/irqdesc.c' line='780' column='1'/>
+ <parameter type-id='07779cd9' name='affinity' filepath='kernel/irq/irqdesc.c' line='780' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__irq_alloc_domain_generic_chips' mangled-name='__irq_alloc_domain_generic_chips' filepath='kernel/irq/generic-chip.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__irq_alloc_domain_generic_chips'>
+ <parameter type-id='7544e824' name='d' filepath='kernel/irq/generic-chip.c' line='283' column='1'/>
+ <parameter type-id='95e97e5e' name='irqs_per_chip' filepath='kernel/irq/generic-chip.c' line='283' column='1'/>
+ <parameter type-id='95e97e5e' name='num_ct' filepath='kernel/irq/generic-chip.c' line='284' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/irq/generic-chip.c' line='284' column='1'/>
+ <parameter type-id='cdb741d3' name='handler' filepath='kernel/irq/generic-chip.c' line='285' column='1'/>
+ <parameter type-id='f0981eeb' name='clr' filepath='kernel/irq/generic-chip.c' line='286' column='1'/>
+ <parameter type-id='f0981eeb' name='set' filepath='kernel/irq/generic-chip.c' line='286' column='1'/>
+ <parameter type-id='7a1ec3b1' name='gcflags' filepath='kernel/irq/generic-chip.c' line='287' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__irq_domain_add' mangled-name='__irq_domain_add' filepath='kernel/irq/irqdomain.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__irq_domain_add'>
+ <parameter type-id='4a935625' name='fwnode' filepath='kernel/irq/irqdomain.c' line='130' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='kernel/irq/irqdomain.c' line='130' column='1'/>
+ <parameter type-id='88370ce9' name='hwirq_max' filepath='kernel/irq/irqdomain.c' line='131' column='1'/>
+ <parameter type-id='95e97e5e' name='direct_max' filepath='kernel/irq/irqdomain.c' line='131' column='1'/>
+ <parameter type-id='2c202856' name='ops' filepath='kernel/irq/irqdomain.c' line='132' column='1'/>
+ <parameter type-id='eaa32e2f' name='host_data' filepath='kernel/irq/irqdomain.c' line='133' column='1'/>
+ <return type-id='7544e824'/>
+ </function-decl>
+ <function-decl name='__irq_set_handler' mangled-name='__irq_set_handler' filepath='kernel/irq/chip.c' line='1088' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__irq_set_handler'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='1088' column='1'/>
+ <parameter type-id='cdb741d3' name='handle' filepath='kernel/irq/chip.c' line='1088' column='1'/>
+ <parameter type-id='95e97e5e' name='is_chained' filepath='kernel/irq/chip.c' line='1088' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/irq/chip.c' line='1089' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__kfifo_alloc' mangled-name='__kfifo_alloc' filepath='lib/kfifo.c' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_alloc'>
+ <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='24' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='lib/kfifo.c' line='24' column='1'/>
+ <parameter type-id='b59d7dce' name='esize' filepath='lib/kfifo.c' line='25' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/kfifo.c' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__kfifo_free' mangled-name='__kfifo_free' filepath='lib/kfifo.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_free'>
+ <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='55' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__kfifo_in' mangled-name='__kfifo_in' filepath='lib/kfifo.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_in'>
+ <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='113' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/kfifo.c' line='114' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='lib/kfifo.c' line='114' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='__kfifo_init' mangled-name='__kfifo_init' filepath='lib/kfifo.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_init'>
+ <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='66' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='lib/kfifo.c' line='66' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='lib/kfifo.c' line='67' column='1'/>
+ <parameter type-id='b59d7dce' name='esize' filepath='lib/kfifo.c' line='67' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__kfifo_out' mangled-name='__kfifo_out' filepath='lib/kfifo.c' line='166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_out'>
+ <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='166' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/kfifo.c' line='167' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='lib/kfifo.c' line='167' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='__kfifo_out_peek' mangled-name='__kfifo_out_peek' filepath='lib/kfifo.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_out_peek'>
+ <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='152' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/kfifo.c' line='153' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='lib/kfifo.c' line='153' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='__kfifo_to_user' mangled-name='__kfifo_to_user' filepath='lib/kfifo.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfifo_to_user'>
+ <parameter type-id='f3207f74' name='fifo' filepath='lib/kfifo.c' line='270' column='1'/>
+ <parameter type-id='eaa32e2f' name='to' filepath='lib/kfifo.c' line='270' column='1'/>
+ <parameter type-id='7359adad' name='len' filepath='lib/kfifo.c' line='271' column='1'/>
+ <parameter type-id='807869d3' name='copied' filepath='lib/kfifo.c' line='271' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__kfree_skb' mangled-name='__kfree_skb' filepath='net/core/skbuff.c' line='692' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kfree_skb'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='692' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__kmalloc' mangled-name='__kmalloc' filepath='mm/slub.c' line='4017' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kmalloc'>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/slub.c' line='4017' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='mm/slub.c' line='4017' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__kthread_init_worker' mangled-name='__kthread_init_worker' filepath='kernel/kthread.c' line='690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__kthread_init_worker'>
+ <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='690' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/kthread.c' line='691' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='kernel/kthread.c' line='692' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__list_add_valid' mangled-name='__list_add_valid' filepath='lib/list_debug.c' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__list_add_valid'>
+ <parameter type-id='e84b031a' name='new' filepath='lib/list_debug.c' line='20' column='1'/>
+ <parameter type-id='e84b031a' name='prev' filepath='lib/list_debug.c' line='20' column='1'/>
+ <parameter type-id='e84b031a' name='next' filepath='lib/list_debug.c' line='21' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__list_del_entry_valid' mangled-name='__list_del_entry_valid' filepath='lib/list_debug.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__list_del_entry_valid'>
+ <parameter type-id='e84b031a' name='entry' filepath='lib/list_debug.c' line='38' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__local_bh_enable_ip' mangled-name='__local_bh_enable_ip' filepath='kernel/softirq.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__local_bh_enable_ip'>
+ <parameter type-id='7359adad' name='ip' filepath='kernel/softirq.c' line='167' column='1'/>
+ <parameter type-id='f0981eeb' name='cnt' filepath='kernel/softirq.c' line='167' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__lock_buffer' mangled-name='__lock_buffer' filepath='fs/buffer.c' line='67' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__lock_buffer'>
+ <parameter type-id='c485c22c' name='bh' filepath='fs/buffer.c' line='67' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__lock_page' mangled-name='__lock_page' filepath='mm/filemap.c' line='1544' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__lock_page'>
+ <parameter type-id='02f11ed4' name='__page' filepath='mm/filemap.c' line='1544' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__log_post_read_mmio' mangled-name='__log_post_read_mmio' filepath='kernel/trace/trace_readwrite.c' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__log_post_read_mmio'>
+ <parameter type-id='91ce1af9' name='val' filepath='kernel/trace/trace_readwrite.c' line='32' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='kernel/trace/trace_readwrite.c' line='32' column='1'/>
+ <parameter type-id='60f8eab0' name='addr' filepath='kernel/trace/trace_readwrite.c' line='32' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__log_read_mmio' mangled-name='__log_read_mmio' filepath='kernel/trace/trace_readwrite.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__log_read_mmio'>
+ <parameter type-id='f9b06939' name='width' filepath='kernel/trace/trace_readwrite.c' line='25' column='1'/>
+ <parameter type-id='60f8eab0' name='addr' filepath='kernel/trace/trace_readwrite.c' line='25' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__log_write_mmio' mangled-name='__log_write_mmio' filepath='kernel/trace/trace_readwrite.c' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__log_write_mmio'>
+ <parameter type-id='91ce1af9' name='val' filepath='kernel/trace/trace_readwrite.c' line='18' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='kernel/trace/trace_readwrite.c' line='18' column='1'/>
+ <parameter type-id='fe09dd29' name='addr' filepath='kernel/trace/trace_readwrite.c' line='18' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__mdiobus_read' mangled-name='__mdiobus_read' filepath='drivers/net/phy/mdio_bus.c' line='746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mdiobus_read'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='746' column='1'/>
+ <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='746' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='746' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__mdiobus_register' mangled-name='__mdiobus_register' filepath='drivers/net/phy/mdio_bus.c' line='518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mdiobus_register'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='518' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/net/phy/mdio_bus.c' line='518' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__mdiobus_write' mangled-name='__mdiobus_write' filepath='drivers/net/phy/mdio_bus.c' line='772' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mdiobus_write'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='772' column='1'/>
+ <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='772' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='772' column='1'/>
+ <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/mdio_bus.c' line='772' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__media_device_register' mangled-name='__media_device_register' filepath='drivers/media/mc/mc-device.c' line='738' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__media_device_register'>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='738' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/media/mc/mc-device.c' line='739' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__media_entity_setup_link' mangled-name='__media_entity_setup_link' filepath='drivers/media/mc/mc-entity.c' line='830' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__media_entity_setup_link'>
+ <parameter type-id='b4de78ea' name='link' filepath='drivers/media/mc/mc-entity.c' line='830' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='830' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__memcat_p' mangled-name='__memcat_p' filepath='lib/memcat_p.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__memcat_p'>
+ <parameter type-id='63e171df' name='a' filepath='lib/memcat_p.c' line='10' column='1'/>
+ <parameter type-id='63e171df' name='b' filepath='lib/memcat_p.c' line='10' column='1'/>
+ <return type-id='63e171df'/>
+ </function-decl>
+ <function-decl name='__memcpy_fromio' mangled-name='__memcpy_fromio' filepath='arch/arm64/kernel/io.c' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__memcpy_fromio'>
+ <parameter type-id='eaa32e2f' name='to' filepath='arch/arm64/kernel/io.c' line='15' column='1'/>
+ <parameter type-id='60f8eab0' name='from' filepath='arch/arm64/kernel/io.c' line='15' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='arch/arm64/kernel/io.c' line='15' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__memcpy_toio' mangled-name='__memcpy_toio' filepath='arch/arm64/kernel/io.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__memcpy_toio'>
+ <parameter type-id='fe09dd29' name='to' filepath='arch/arm64/kernel/io.c' line='43' column='1'/>
+ <parameter type-id='eaa32e2f' name='from' filepath='arch/arm64/kernel/io.c' line='43' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='arch/arm64/kernel/io.c' line='43' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__memset_io' mangled-name='__memset_io' filepath='arch/arm64/kernel/io.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__memset_io'>
+ <parameter type-id='fe09dd29' name='dst' filepath='arch/arm64/kernel/io.c' line='71' column='1'/>
+ <parameter type-id='95e97e5e' name='c' filepath='arch/arm64/kernel/io.c' line='71' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='arch/arm64/kernel/io.c' line='71' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__mmc_claim_host' mangled-name='__mmc_claim_host' filepath='drivers/mmc/core/core.c' line='780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mmc_claim_host'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='780' column='1'/>
+ <parameter type-id='f1e196e0' name='ctx' filepath='drivers/mmc/core/core.c' line='780' column='1'/>
+ <parameter type-id='8a47abc3' name='abort' filepath='drivers/mmc/core/core.c' line='781' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__mmc_send_status' mangled-name='__mmc_send_status' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mmc_send_status'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1'/>
+ <parameter type-id='f9409001' name='status' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1'/>
+ <parameter type-id='f0981eeb' name='retries' filepath='drivers/mmc/core/mmc_ops.c' line='56' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__mmdrop' mangled-name='__mmdrop' filepath='kernel/fork.c' line='712' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mmdrop'>
+ <parameter type-id='df4b7819' name='mm' filepath='kernel/fork.c' line='712' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__mod_node_page_state' mangled-name='__mod_node_page_state' filepath='mm/vmstat.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mod_node_page_state'>
+ <parameter type-id='c876a7a5' name='pgdat' filepath='mm/vmstat.c' line='336' column='1'/>
+ <parameter type-id='93f9c3d3' name='item' filepath='mm/vmstat.c' line='336' column='1'/>
+ <parameter type-id='bd54fe1a' name='delta' filepath='mm/vmstat.c' line='337' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__mod_zone_page_state' mangled-name='__mod_zone_page_state' filepath='mm/vmstat.c' line='316' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mod_zone_page_state'>
+ <parameter type-id='0a0aff97' name='zone' filepath='mm/vmstat.c' line='316' column='1'/>
+ <parameter type-id='a1f2d9a1' name='item' filepath='mm/vmstat.c' line='316' column='1'/>
+ <parameter type-id='bd54fe1a' name='delta' filepath='mm/vmstat.c' line='317' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__module_get' mangled-name='__module_get' filepath='kernel/module.c' line='1128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__module_get'>
+ <parameter type-id='2730d015' name='module' filepath='kernel/module.c' line='1128' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__msecs_to_jiffies' mangled-name='__msecs_to_jiffies' filepath='kernel/time/time.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__msecs_to_jiffies'>
+ <parameter type-id='20f5f452' name='m' filepath='kernel/time/time.c' line='552' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='__mutex_init' mangled-name='__mutex_init' filepath='kernel/locking/mutex.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__mutex_init'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='42' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/locking/mutex.c' line='42' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='kernel/locking/mutex.c' line='42' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__napi_alloc_skb' mangled-name='__napi_alloc_skb' filepath='net/core/skbuff.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__napi_alloc_skb'>
+ <parameter type-id='c50361c5' name='napi' filepath='net/core/skbuff.c' line='506' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='506' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='507' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='__napi_schedule' mangled-name='__napi_schedule' filepath='net/core/dev.c' line='6417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__napi_schedule'>
+ <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6417' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__napi_schedule_irqoff' mangled-name='__napi_schedule_irqoff' filepath='net/core/dev.c' line='6470' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__napi_schedule_irqoff'>
+ <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6470' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__ndelay' mangled-name='__ndelay' filepath='arch/arm64/lib/delay.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__ndelay'>
+ <parameter type-id='7359adad' name='nsecs' filepath='arch/arm64/lib/delay.c' line='55' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__neigh_event_send' mangled-name='__neigh_event_send' filepath='net/core/neighbour.c' line='1112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__neigh_event_send'>
+ <parameter type-id='3c330066' name='neigh' filepath='net/core/neighbour.c' line='1112' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/neighbour.c' line='1112' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__netdev_alloc_skb' mangled-name='__netdev_alloc_skb' filepath='net/core/skbuff.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netdev_alloc_skb'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/skbuff.c' line='431' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='431' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='432' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='__netif_napi_del' mangled-name='__netif_napi_del' filepath='net/core/dev.c' line='6796' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netif_napi_del'>
+ <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='6796' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__netif_set_xps_queue' mangled-name='__netif_set_xps_queue' filepath='net/core/dev.c' line='2627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netif_set_xps_queue'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='2627' column='1'/>
+ <parameter type-id='f9b37274' name='mask' filepath='net/core/dev.c' line='2627' column='1'/>
+ <parameter type-id='1dc6a898' name='index' filepath='net/core/dev.c' line='2628' column='1'/>
+ <parameter type-id='b50a4934' name='is_rxqs_map' filepath='net/core/dev.c' line='2628' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__netlink_kernel_create' mangled-name='__netlink_kernel_create' filepath='net/netlink/af_netlink.c' line='2035' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__netlink_kernel_create'>
+ <parameter type-id='a2bff676' name='net' filepath='net/netlink/af_netlink.c' line='2035' column='1'/>
+ <parameter type-id='95e97e5e' name='unit' filepath='net/netlink/af_netlink.c' line='2035' column='1'/>
+ <parameter type-id='2730d015' name='module' filepath='net/netlink/af_netlink.c' line='2035' column='1'/>
+ <parameter type-id='8438f281' name='cfg' filepath='net/netlink/af_netlink.c' line='2036' column='1'/>
+ <return type-id='f772df6d'/>
+ </function-decl>
+ <function-decl name='__next_zones_zonelist' mangled-name='__next_zones_zonelist' filepath='mm/mmzone.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__next_zones_zonelist'>
+ <parameter type-id='71278586' name='z' filepath='mm/mmzone.c' line='57' column='1'/>
+ <parameter type-id='d278ff03' name='highest_zoneidx' filepath='mm/mmzone.c' line='58' column='1'/>
+ <parameter type-id='f461c050' name='nodes' filepath='mm/mmzone.c' line='59' column='1'/>
+ <return type-id='71278586'/>
+ </function-decl>
+ <function-decl name='__nla_parse' mangled-name='__nla_parse' filepath='lib/nlattr.c' line='680' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__nla_parse'>
+ <parameter type-id='30864cdc' name='tb' filepath='lib/nlattr.c' line='680' column='1'/>
+ <parameter type-id='95e97e5e' name='maxtype' filepath='lib/nlattr.c' line='680' column='1'/>
+ <parameter type-id='0f2a7ce5' name='head' filepath='lib/nlattr.c' line='681' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='lib/nlattr.c' line='681' column='1'/>
+ <parameter type-id='109cdb66' name='policy' filepath='lib/nlattr.c' line='682' column='1'/>
+ <parameter type-id='f0981eeb' name='validate' filepath='lib/nlattr.c' line='682' column='1'/>
+ <parameter type-id='5799dc94' name='extack' filepath='lib/nlattr.c' line='683' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__nla_validate' mangled-name='__nla_validate' filepath='lib/nlattr.c' line='626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__nla_validate'>
+ <parameter type-id='0f2a7ce5' name='head' filepath='lib/nlattr.c' line='626' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='lib/nlattr.c' line='626' column='1'/>
+ <parameter type-id='95e97e5e' name='maxtype' filepath='lib/nlattr.c' line='626' column='1'/>
+ <parameter type-id='109cdb66' name='policy' filepath='lib/nlattr.c' line='627' column='1'/>
+ <parameter type-id='f0981eeb' name='validate' filepath='lib/nlattr.c' line='627' column='1'/>
+ <parameter type-id='5799dc94' name='extack' filepath='lib/nlattr.c' line='628' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__nlmsg_put' mangled-name='__nlmsg_put' filepath='net/netlink/af_netlink.c' line='2175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__nlmsg_put'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/af_netlink.c' line='2175' column='1'/>
+ <parameter type-id='19c2251e' name='portid' filepath='net/netlink/af_netlink.c' line='2175' column='1'/>
+ <parameter type-id='19c2251e' name='seq' filepath='net/netlink/af_netlink.c' line='2175' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='net/netlink/af_netlink.c' line='2175' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='net/netlink/af_netlink.c' line='2175' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/netlink/af_netlink.c' line='2175' column='1'/>
+ <return type-id='c2074578'/>
+ </function-decl>
+ <var-decl name='__num_online_cpus' type-id='49178f86' mangled-name='__num_online_cpus' visibility='default' filepath='kernel/cpu.c' line='2808' column='1' elf-symbol-id='__num_online_cpus'/>
+ <function-decl name='__of_reset_control_get' mangled-name='__of_reset_control_get' filepath='drivers/reset/core.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__of_reset_control_get'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/reset/core.c' line='605' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/reset/core.c' line='606' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/reset/core.c' line='606' column='1'/>
+ <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='606' column='1'/>
+ <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='607' column='1'/>
+ <parameter type-id='b50a4934' name='acquired' filepath='drivers/reset/core.c' line='607' column='1'/>
+ <return type-id='9f9b8114'/>
+ </function-decl>
+ <function-decl name='__page_pinner_migration_failed' mangled-name='__page_pinner_migration_failed' filepath='mm/page_pinner.c' line='328' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__page_pinner_migration_failed'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page_pinner.c' line='328' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__pci_register_driver' mangled-name='__pci_register_driver' filepath='drivers/pci/pci-driver.c' line='1378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pci_register_driver'>
+ <parameter type-id='85b59624' name='drv' filepath='drivers/pci/pci-driver.c' line='1378' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/pci/pci-driver.c' line='1378' column='1'/>
+ <parameter type-id='80f4b756' name='mod_name' filepath='drivers/pci/pci-driver.c' line='1379' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='__per_cpu_offset' type-id='bc3af5fa' mangled-name='__per_cpu_offset' visibility='default' filepath='mm/percpu.c' line='3083' column='1' elf-symbol-id='__per_cpu_offset'/>
+ <function-decl name='__percpu_down_read' mangled-name='__percpu_down_read' filepath='kernel/locking/percpu-rwsem.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__percpu_down_read'>
+ <parameter type-id='652d9ef9' name='sem' filepath='kernel/locking/percpu-rwsem.c' line='165' column='1'/>
+ <parameter type-id='b50a4934' name='try' filepath='kernel/locking/percpu-rwsem.c' line='165' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__percpu_init_rwsem' mangled-name='__percpu_init_rwsem' filepath='kernel/locking/percpu-rwsem.c' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__percpu_init_rwsem'>
+ <parameter type-id='652d9ef9' name='sem' filepath='kernel/locking/percpu-rwsem.c' line='12' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/locking/percpu-rwsem.c' line='13' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='kernel/locking/percpu-rwsem.c' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__phy_modify' mangled-name='__phy_modify' filepath='drivers/net/phy/phy-core.c' line='609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__phy_modify'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+ <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+ <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='609' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__platform_driver_probe' mangled-name='__platform_driver_probe' filepath='drivers/base/platform.c' line='850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__platform_driver_probe'>
+ <parameter type-id='d53c2eb5' name='drv' filepath='drivers/base/platform.c' line='850' column='1'/>
+ <parameter type-id='e05ae2cd' name='probe' filepath='drivers/base/platform.c' line='851' column='1'/>
+ <parameter type-id='2730d015' name='module' filepath='drivers/base/platform.c' line='851' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__platform_driver_register' mangled-name='__platform_driver_register' filepath='drivers/base/platform.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__platform_driver_register'>
+ <parameter type-id='d53c2eb5' name='drv' filepath='drivers/base/platform.c' line='807' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/base/platform.c' line='808' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__platform_register_drivers' mangled-name='__platform_register_drivers' filepath='drivers/base/platform.c' line='972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__platform_register_drivers'>
+ <parameter type-id='77e06080' name='drivers' filepath='drivers/base/platform.c' line='972' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='drivers/base/platform.c' line='973' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/base/platform.c' line='973' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__pm_relax' mangled-name='__pm_relax' filepath='drivers/base/power/wakeup.c' line='756' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_relax'>
+ <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='756' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__pm_runtime_disable' mangled-name='__pm_runtime_disable' filepath='drivers/base/power/runtime.c' line='1383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_disable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1383' column='1'/>
+ <parameter type-id='b50a4934' name='check_resume' filepath='drivers/base/power/runtime.c' line='1383' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__pm_runtime_idle' mangled-name='__pm_runtime_idle' filepath='drivers/base/power/runtime.c' line='1031' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_idle'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1031' column='1'/>
+ <parameter type-id='95e97e5e' name='rpmflags' filepath='drivers/base/power/runtime.c' line='1031' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__pm_runtime_resume' mangled-name='__pm_runtime_resume' filepath='drivers/base/power/runtime.c' line='1098' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1098' column='1'/>
+ <parameter type-id='95e97e5e' name='rpmflags' filepath='drivers/base/power/runtime.c' line='1098' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__pm_runtime_set_status' mangled-name='__pm_runtime_set_status' filepath='drivers/base/power/runtime.c' line='1186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_set_status'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1186' column='1'/>
+ <parameter type-id='f0981eeb' name='status' filepath='drivers/base/power/runtime.c' line='1186' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__pm_runtime_suspend' mangled-name='__pm_runtime_suspend' filepath='drivers/base/power/runtime.c' line='1065' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_suspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1065' column='1'/>
+ <parameter type-id='95e97e5e' name='rpmflags' filepath='drivers/base/power/runtime.c' line='1065' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__pm_runtime_use_autosuspend' mangled-name='__pm_runtime_use_autosuspend' filepath='drivers/base/power/runtime.c' line='1606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_runtime_use_autosuspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1606' column='1'/>
+ <parameter type-id='b50a4934' name='use' filepath='drivers/base/power/runtime.c' line='1606' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__pm_stay_awake' mangled-name='__pm_stay_awake' filepath='drivers/base/power/wakeup.c' line='639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pm_stay_awake'>
+ <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='639' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__printk_ratelimit' mangled-name='__printk_ratelimit' filepath='kernel/printk/printk.c' line='3134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__printk_ratelimit'>
+ <parameter type-id='80f4b756' name='func' filepath='kernel/printk/printk.c' line='3134' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__pskb_copy_fclone' mangled-name='__pskb_copy_fclone' filepath='net/core/skbuff.c' line='1559' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pskb_copy_fclone'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1559' column='1'/>
+ <parameter type-id='95e97e5e' name='headroom' filepath='net/core/skbuff.c' line='1559' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1560' column='1'/>
+ <parameter type-id='b50a4934' name='fclone' filepath='net/core/skbuff.c' line='1560' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='__pskb_pull_tail' mangled-name='__pskb_pull_tail' filepath='net/core/skbuff.c' line='2067' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__pskb_pull_tail'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='2067' column='1'/>
+ <parameter type-id='95e97e5e' name='delta' filepath='net/core/skbuff.c' line='2067' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__put_net' mangled-name='__put_net' filepath='net/core/net_namespace.c' line='649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__put_net'>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/net_namespace.c' line='649' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__put_page' mangled-name='__put_page' filepath='mm/swap.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__put_page'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/swap.c' line='118' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__put_task_struct' mangled-name='__put_task_struct' filepath='kernel/fork.c' line='761' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__put_task_struct'>
+ <parameter type-id='f23e2572' name='tsk' filepath='kernel/fork.c' line='761' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__rb_erase_color' mangled-name='__rb_erase_color' filepath='lib/rbtree.c' line='410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rb_erase_color'>
+ <parameter type-id='e6532500' name='parent' filepath='lib/rbtree.c' line='410' column='1'/>
+ <parameter type-id='c5bcc2c0' name='root' filepath='lib/rbtree.c' line='410' column='1'/>
+ <parameter type-id='237e46c0' name='augment_rotate' filepath='lib/rbtree.c' line='411' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__rb_insert_augmented' mangled-name='__rb_insert_augmented' filepath='lib/rbtree.c' line='456' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rb_insert_augmented'>
+ <parameter type-id='e6532500' name='node' filepath='lib/rbtree.c' line='456' column='1'/>
+ <parameter type-id='c5bcc2c0' name='root' filepath='lib/rbtree.c' line='456' column='1'/>
+ <parameter type-id='237e46c0' name='augment_rotate' filepath='lib/rbtree.c' line='457' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__rcu_read_lock' mangled-name='__rcu_read_lock' filepath='kernel/rcu/tree_plugin.h' line='374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rcu_read_lock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__rcu_read_unlock' mangled-name='__rcu_read_unlock' filepath='kernel/rcu/tree_plugin.h' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rcu_read_unlock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__refrigerator' mangled-name='__refrigerator' filepath='kernel/freezer.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__refrigerator'>
+ <parameter type-id='b50a4934' name='check_kthr_stop' filepath='kernel/freezer.c' line='60' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__register_chrdev' mangled-name='__register_chrdev' filepath='fs/char_dev.c' line='268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__register_chrdev'>
+ <parameter type-id='f0981eeb' name='major' filepath='fs/char_dev.c' line='268' column='1'/>
+ <parameter type-id='f0981eeb' name='baseminor' filepath='fs/char_dev.c' line='268' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='269' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='269' column='1'/>
+ <parameter type-id='61758ee5' name='fops' filepath='fs/char_dev.c' line='270' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__register_rpmsg_driver' mangled-name='__register_rpmsg_driver' filepath='drivers/rpmsg/rpmsg_core.c' line='604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__register_rpmsg_driver'>
+ <parameter type-id='7331a99f' name='rpdrv' filepath='drivers/rpmsg/rpmsg_core.c' line='604' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/rpmsg/rpmsg_core.c' line='604' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__regmap_init' mangled-name='__regmap_init' filepath='drivers/base/regmap/regmap.c' line='701' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__regmap_init'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='701' column='1'/>
+ <parameter type-id='00e96299' name='bus' filepath='drivers/base/regmap/regmap.c' line='702' column='1'/>
+ <parameter type-id='eaa32e2f' name='bus_context' filepath='drivers/base/regmap/regmap.c' line='703' column='1'/>
+ <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap.c' line='704' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap.c' line='705' column='1'/>
+ <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap.c' line='706' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='__regmap_init_mmio_clk' mangled-name='__regmap_init_mmio_clk' filepath='drivers/base/regmap/regmap-mmio.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__regmap_init_mmio_clk'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap-mmio.c' line='322' column='1'/>
+ <parameter type-id='80f4b756' name='clk_id' filepath='drivers/base/regmap/regmap-mmio.c' line='322' column='1'/>
+ <parameter type-id='eaa32e2f' name='regs' filepath='drivers/base/regmap/regmap-mmio.c' line='323' column='1'/>
+ <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap-mmio.c' line='324' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/base/regmap/regmap-mmio.c' line='325' column='1'/>
+ <parameter type-id='80f4b756' name='lock_name' filepath='drivers/base/regmap/regmap-mmio.c' line='326' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='__release_region' mangled-name='__release_region' filepath='kernel/resource.c' line='1199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__release_region'>
+ <parameter type-id='c9d64c0d' name='parent' filepath='kernel/resource.c' line='1199' column='1'/>
+ <parameter type-id='acc63fdf' name='start' filepath='kernel/resource.c' line='1199' column='1'/>
+ <parameter type-id='acc63fdf' name='n' filepath='kernel/resource.c' line='1200' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__request_module' mangled-name='__request_module' filepath='kernel/kmod.c' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__request_module'>
+ <parameter type-id='b50a4934' name='wait' filepath='kernel/kmod.c' line='124' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/kmod.c' line='124' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__request_percpu_irq' mangled-name='__request_percpu_irq' filepath='kernel/irq/manage.c' line='2455' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__request_percpu_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2455' column='1'/>
+ <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/manage.c' line='2455' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/irq/manage.c' line='2456' column='1'/>
+ <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/manage.c' line='2456' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='2457' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__request_region' mangled-name='__request_region' filepath='kernel/resource.c' line='1126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__request_region'>
+ <parameter type-id='c9d64c0d' name='parent' filepath='kernel/resource.c' line='1126' column='1'/>
+ <parameter type-id='acc63fdf' name='start' filepath='kernel/resource.c' line='1127' column='1'/>
+ <parameter type-id='acc63fdf' name='n' filepath='kernel/resource.c' line='1127' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/resource.c' line='1128' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='kernel/resource.c' line='1128' column='1'/>
+ <return type-id='c9d64c0d'/>
+ </function-decl>
+ <function-decl name='__rht_bucket_nested' mangled-name='__rht_bucket_nested' filepath='lib/rhashtable.c' line='1174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rht_bucket_nested'>
+ <parameter type-id='6a4a6779' name='tbl' filepath='lib/rhashtable.c' line='1175' column='1'/>
+ <parameter type-id='f0981eeb' name='hash' filepath='lib/rhashtable.c' line='1175' column='1'/>
+ <return type-id='33f7eff4'/>
+ </function-decl>
+ <function-decl name='__rt_mutex_init' mangled-name='__rt_mutex_init' filepath='kernel/locking/rtmutex.c' line='1676' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rt_mutex_init'>
+ <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1676' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/locking/rtmutex.c' line='1676' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='kernel/locking/rtmutex.c' line='1677' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__rtc_register_device' mangled-name='__rtc_register_device' filepath='drivers/rtc/class.c' line='388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__rtc_register_device'>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/rtc/class.c' line='388' column='1'/>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/class.c' line='388' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__sbitmap_queue_get' mangled-name='__sbitmap_queue_get' filepath='lib/sbitmap.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sbitmap_queue_get'>
+ <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='424' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__scsi_add_device' mangled-name='__scsi_add_device' filepath='drivers/scsi/scsi_scan.c' line='1460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_add_device'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_scan.c' line='1460' column='1'/>
+ <parameter type-id='6e160b14' name='channel' filepath='drivers/scsi/scsi_scan.c' line='1460' column='1'/>
+ <parameter type-id='6e160b14' name='id' filepath='drivers/scsi/scsi_scan.c' line='1461' column='1'/>
+ <parameter type-id='91ce1af9' name='lun' filepath='drivers/scsi/scsi_scan.c' line='1461' column='1'/>
+ <parameter type-id='eaa32e2f' name='hostdata' filepath='drivers/scsi/scsi_scan.c' line='1461' column='1'/>
+ <return type-id='eb572b74'/>
+ </function-decl>
+ <function-decl name='__scsi_execute' mangled-name='__scsi_execute' filepath='drivers/scsi/scsi_lib.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_execute'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_lib.c' line='240' column='1'/>
+ <parameter type-id='354f7eb9' name='cmd' filepath='drivers/scsi/scsi_lib.c' line='240' column='1'/>
+ <parameter type-id='95e97e5e' name='data_direction' filepath='drivers/scsi/scsi_lib.c' line='241' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/scsi/scsi_lib.c' line='241' column='1'/>
+ <parameter type-id='f0981eeb' name='bufflen' filepath='drivers/scsi/scsi_lib.c' line='241' column='1'/>
+ <parameter type-id='cf536864' name='sense' filepath='drivers/scsi/scsi_lib.c' line='242' column='1'/>
+ <parameter type-id='991b8213' name='sshdr' filepath='drivers/scsi/scsi_lib.c' line='242' column='1'/>
+ <parameter type-id='95e97e5e' name='timeout' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+ <parameter type-id='95e97e5e' name='retries' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+ <parameter type-id='91ce1af9' name='flags' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+ <parameter type-id='3b445e53' name='rq_flags' filepath='drivers/scsi/scsi_lib.c' line='243' column='1'/>
+ <parameter type-id='7292109c' name='resid' filepath='drivers/scsi/scsi_lib.c' line='244' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__scsi_iterate_devices' mangled-name='__scsi_iterate_devices' filepath='drivers/scsi/scsi.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_iterate_devices'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi.c' line='556' column='1'/>
+ <parameter type-id='eb572b74' name='prev' filepath='drivers/scsi/scsi.c' line='557' column='1'/>
+ <return type-id='eb572b74'/>
+ </function-decl>
+ <function-decl name='__scsi_print_sense' mangled-name='__scsi_print_sense' filepath='drivers/scsi/scsi_logging.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__scsi_print_sense'>
+ <parameter type-id='0f176ec1' name='sdev' filepath='drivers/scsi/scsi_logging.c' line='366' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/scsi/scsi_logging.c' line='366' column='1'/>
+ <parameter type-id='354f7eb9' name='sense_buffer' filepath='drivers/scsi/scsi_logging.c' line='367' column='1'/>
+ <parameter type-id='95e97e5e' name='sense_len' filepath='drivers/scsi/scsi_logging.c' line='367' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__sdhci_add_host' mangled-name='__sdhci_add_host' filepath='drivers/mmc/host/sdhci.c' line='4693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sdhci_add_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4693' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__sdhci_set_timeout' mangled-name='__sdhci_set_timeout' filepath='drivers/mmc/host/sdhci.c' line='1020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sdhci_set_timeout'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='1020' column='1'/>
+ <parameter type-id='6df3750c' name='cmd' filepath='drivers/mmc/host/sdhci.c' line='1020' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__seq_open_private' mangled-name='__seq_open_private' filepath='fs/seq_file.c' line='619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__seq_open_private'>
+ <parameter type-id='77e79a4b' name='f' filepath='fs/seq_file.c' line='619' column='1'/>
+ <parameter type-id='943a1b48' name='ops' filepath='fs/seq_file.c' line='619' column='1'/>
+ <parameter type-id='95e97e5e' name='psize' filepath='fs/seq_file.c' line='620' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__serio_register_driver' mangled-name='__serio_register_driver' filepath='drivers/input/serio/serio.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__serio_register_driver'>
+ <parameter type-id='1065554a' name='drv' filepath='drivers/input/serio/serio.c' line='814' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/input/serio/serio.c' line='814' column='1'/>
+ <parameter type-id='80f4b756' name='mod_name' filepath='drivers/input/serio/serio.c' line='814' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__serio_register_port' mangled-name='__serio_register_port' filepath='drivers/input/serio/serio.c' line='695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__serio_register_port'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='695' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/input/serio/serio.c' line='695' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__sg_page_iter_dma_next' mangled-name='__sg_page_iter_dma_next' filepath='lib/scatterlist.c' line='722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sg_page_iter_dma_next'>
+ <parameter type-id='f1397bef' name='dma_iter' filepath='lib/scatterlist.c' line='722' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__sg_page_iter_next' mangled-name='__sg_page_iter_next' filepath='lib/scatterlist.c' line='698' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sg_page_iter_next'>
+ <parameter type-id='06f723f0' name='piter' filepath='lib/scatterlist.c' line='698' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__sg_page_iter_start' mangled-name='__sg_page_iter_start' filepath='lib/scatterlist.c' line='681' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sg_page_iter_start'>
+ <parameter type-id='06f723f0' name='piter' filepath='lib/scatterlist.c' line='681' column='1'/>
+ <parameter type-id='bf3ef905' name='sglist' filepath='lib/scatterlist.c' line='682' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='682' column='1'/>
+ <parameter type-id='7359adad' name='pgoffset' filepath='lib/scatterlist.c' line='683' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__skb_checksum_complete' mangled-name='__skb_checksum_complete' filepath='net/core/skbuff.c' line='2854' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_checksum_complete'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='2854' column='1'/>
+ <return type-id='7dac1e36'/>
+ </function-decl>
+ <function-decl name='__skb_ext_put' mangled-name='__skb_ext_put' filepath='net/core/skbuff.c' line='6366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_ext_put'>
+ <parameter type-id='374692c7' name='ext' filepath='net/core/skbuff.c' line='6366' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__skb_flow_dissect' mangled-name='__skb_flow_dissect' filepath='net/core/flow_dissector.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_flow_dissect'>
+ <parameter type-id='f91cf277' name='net' filepath='net/core/flow_dissector.c' line='904' column='1'/>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/flow_dissector.c' line='905' column='1'/>
+ <parameter type-id='0b8ca8fa' name='flow_dissector' filepath='net/core/flow_dissector.c' line='906' column='1'/>
+ <parameter type-id='eaa32e2f' name='target_container' filepath='net/core/flow_dissector.c' line='907' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+ <parameter type-id='84a5c3d4' name='proto' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+ <parameter type-id='95e97e5e' name='nhoff' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+ <parameter type-id='95e97e5e' name='hlen' filepath='net/core/flow_dissector.c' line='908' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='net/core/flow_dissector.c' line='909' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='__skb_get_hash' mangled-name='__skb_get_hash' filepath='net/core/flow_dissector.c' line='1608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_get_hash'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/flow_dissector.c' line='1608' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__skb_gso_segment' mangled-name='__skb_gso_segment' filepath='net/core/dev.c' line='3383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_gso_segment'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3383' column='1'/>
+ <parameter type-id='f9f4b16f' name='features' filepath='net/core/dev.c' line='3384' column='1'/>
+ <parameter type-id='b50a4934' name='tx_path' filepath='net/core/dev.c' line='3384' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='__skb_pad' mangled-name='__skb_pad' filepath='net/core/skbuff.c' line='1803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__skb_pad'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1803' column='1'/>
+ <parameter type-id='95e97e5e' name='pad' filepath='net/core/skbuff.c' line='1803' column='1'/>
+ <parameter type-id='b50a4934' name='free_on_error' filepath='net/core/skbuff.c' line='1803' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__sock_create' mangled-name='__sock_create' filepath='net/socket.c' line='1346' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sock_create'>
+ <parameter type-id='a2bff676' name='net' filepath='net/socket.c' line='1346' column='1'/>
+ <parameter type-id='95e97e5e' name='family' filepath='net/socket.c' line='1346' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='net/socket.c' line='1346' column='1'/>
+ <parameter type-id='95e97e5e' name='protocol' filepath='net/socket.c' line='1346' column='1'/>
+ <parameter type-id='1a7bb5c8' name='res' filepath='net/socket.c' line='1347' column='1'/>
+ <parameter type-id='95e97e5e' name='kern' filepath='net/socket.c' line='1347' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__spi_alloc_controller' mangled-name='__spi_alloc_controller' filepath='drivers/spi/spi.c' line='2441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__spi_alloc_controller'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/spi/spi.c' line='2441' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='drivers/spi/spi.c' line='2442' column='1'/>
+ <parameter type-id='b50a4934' name='slave' filepath='drivers/spi/spi.c' line='2442' column='1'/>
+ <return type-id='f22e4524'/>
+ </function-decl>
+ <function-decl name='__spi_register_driver' mangled-name='__spi_register_driver' filepath='drivers/spi/spi.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__spi_register_driver'>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/spi/spi.c' line='440' column='1'/>
+ <parameter type-id='d9c194a6' name='sdrv' filepath='drivers/spi/spi.c' line='440' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__splice_from_pipe' mangled-name='__splice_from_pipe' filepath='fs/splice.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__splice_from_pipe'>
+ <parameter type-id='15d29710' name='pipe' filepath='fs/splice.c' line='552' column='1'/>
+ <parameter type-id='f5bc338f' name='sd' filepath='fs/splice.c' line='552' column='1'/>
+ <parameter type-id='05903717' name='actor' filepath='fs/splice.c' line='553' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='__spmi_driver_register' mangled-name='__spmi_driver_register' filepath='drivers/spmi/spmi.c' line='566' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__spmi_driver_register'>
+ <parameter type-id='34066f8f' name='sdrv' filepath='drivers/spmi/spmi.c' line='566' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/spmi/spmi.c' line='566' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__srcu_read_lock' mangled-name='__srcu_read_lock' filepath='kernel/rcu/srcutree.c' line='406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__srcu_read_lock'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='406' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__srcu_read_unlock' mangled-name='__srcu_read_unlock' filepath='kernel/rcu/srcutree.c' line='422' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__srcu_read_unlock'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='422' column='1'/>
+ <parameter type-id='95e97e5e' name='idx' filepath='kernel/rcu/srcutree.c' line='422' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__stack_chk_fail' mangled-name='__stack_chk_fail' filepath='kernel/panic.c' line='684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__stack_chk_fail'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='__stack_chk_guard' type-id='7359adad' mangled-name='__stack_chk_guard' visibility='default' filepath='arch/arm64/kernel/process.c' line='64' column='1' elf-symbol-id='__stack_chk_guard'/>
+ <function-decl name='__sw_hweight16' mangled-name='__sw_hweight16' filepath='lib/hweight.c' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight16'>
+ <parameter type-id='f0981eeb' name='w' filepath='lib/hweight.c' line='30' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='__sw_hweight32' mangled-name='__sw_hweight32' filepath='lib/hweight.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight32'>
+ <parameter type-id='f0981eeb' name='w' filepath='lib/hweight.c' line='13' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='__sw_hweight64' mangled-name='__sw_hweight64' filepath='lib/hweight.c' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight64'>
+ <parameter type-id='d3130597' name='w' filepath='lib/hweight.c' line='47' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='__sw_hweight8' mangled-name='__sw_hweight8' filepath='lib/hweight.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sw_hweight8'>
+ <parameter type-id='f0981eeb' name='w' filepath='lib/hweight.c' line='39' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='__sync_dirty_buffer' mangled-name='__sync_dirty_buffer' filepath='fs/buffer.c' line='3165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sync_dirty_buffer'>
+ <parameter type-id='c485c22c' name='bh' filepath='fs/buffer.c' line='3165' column='1'/>
+ <parameter type-id='95e97e5e' name='op_flags' filepath='fs/buffer.c' line='3165' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__sysfs_match_string' mangled-name='__sysfs_match_string' filepath='lib/string.c' line='771' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__sysfs_match_string'>
+ <parameter type-id='13956559' name='array' filepath='lib/string.c' line='771' column='1'/>
+ <parameter type-id='b59d7dce' name='n' filepath='lib/string.c' line='771' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='lib/string.c' line='771' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__task_pid_nr_ns' mangled-name='__task_pid_nr_ns' filepath='kernel/pid.c' line='493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__task_pid_nr_ns'>
+ <parameter type-id='f23e2572' name='task' filepath='kernel/pid.c' line='493' column='1'/>
+ <parameter type-id='ce78cf46' name='type' filepath='kernel/pid.c' line='493' column='1'/>
+ <parameter type-id='b816e1d0' name='ns' filepath='kernel/pid.c' line='494' column='1'/>
+ <return type-id='587f89d2'/>
+ </function-decl>
+ <function-decl name='__task_rq_lock' mangled-name='__task_rq_lock' filepath='kernel/sched/core.c' line='193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__task_rq_lock'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='193' column='1'/>
+ <parameter type-id='d0163a5e' name='rf' filepath='kernel/sched/core.c' line='193' column='1'/>
+ <return type-id='6ed6b432'/>
+ </function-decl>
+ <function-decl name='__tasklet_hi_schedule' mangled-name='__tasklet_hi_schedule' filepath='kernel/softirq.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tasklet_hi_schedule'>
+ <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='537' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__tasklet_schedule' mangled-name='__tasklet_schedule' filepath='kernel/softirq.c' line='530' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tasklet_schedule'>
+ <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='530' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__trace_bprintk' mangled-name='__trace_bprintk' filepath='kernel/trace/trace_printk.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__trace_bprintk'>
+ <parameter type-id='7359adad' name='ip' filepath='kernel/trace/trace_printk.c' line='200' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/trace/trace_printk.c' line='200' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__trace_bputs' mangled-name='__trace_bputs' filepath='kernel/trace/trace.c' line='1060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__trace_bputs'>
+ <parameter type-id='7359adad' name='ip' filepath='kernel/trace/trace.c' line='1060' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='kernel/trace/trace.c' line='1060' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__trace_printk' mangled-name='__trace_printk' filepath='kernel/trace/trace_printk.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__trace_printk'>
+ <parameter type-id='7359adad' name='ip' filepath='kernel/trace/trace_printk.c' line='230' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/trace/trace_printk.c' line='230' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__trace_puts' mangled-name='__trace_puts' filepath='kernel/trace/trace.c' line='1006' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__trace_puts'>
+ <parameter type-id='7359adad' name='ip' filepath='kernel/trace/trace.c' line='1006' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='kernel/trace/trace.c' line='1006' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='kernel/trace/trace.c' line='1006' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_account_irq' mangled-name='__traceiter_android_rvh_account_irq' filepath='include/trace/hooks/sched.h' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_account_irq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='177' column='1'/>
+ <parameter type-id='f23e2572' name='curr' filepath='include/trace/hooks/sched.h' line='177' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='177' column='1'/>
+ <parameter type-id='9b7c55ef' name='delta' filepath='include/trace/hooks/sched.h' line='177' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_after_dequeue_task' mangled-name='__traceiter_android_rvh_after_dequeue_task' filepath='include/trace/hooks/sched.h' line='330' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_after_dequeue_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='330' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='330' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='330' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_after_enqueue_task' mangled-name='__traceiter_android_rvh_after_enqueue_task' filepath='include/trace/hooks/sched.h' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_after_enqueue_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='326' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='326' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='326' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_binder_transaction' mangled-name='__traceiter_android_rvh_binder_transaction' filepath='include/trace/hooks/binder.h' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_binder_transaction'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='55' column='1'/>
+ <parameter type-id='d1cf113c' name='target_proc' filepath='include/trace/hooks/binder.h' line='55' column='1'/>
+ <parameter type-id='d1cf113c' name='proc' filepath='include/trace/hooks/binder.h' line='55' column='1'/>
+ <parameter type-id='dd695fa4' name='thread' filepath='include/trace/hooks/binder.h' line='55' column='1'/>
+ <parameter type-id='55866c73' name='tr' filepath='include/trace/hooks/binder.h' line='55' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_build_perf_domains' mangled-name='__traceiter_android_rvh_build_perf_domains' filepath='include/trace/hooks/sched.h' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_build_perf_domains'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='186' column='1'/>
+ <parameter type-id='d8e6b335' name='eas_check' filepath='include/trace/hooks/sched.h' line='186' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_can_migrate_task' mangled-name='__traceiter_android_rvh_can_migrate_task' filepath='include/trace/hooks/sched.h' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_can_migrate_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='39' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='39' column='1'/>
+ <parameter type-id='95e97e5e' name='dst_cpu' filepath='include/trace/hooks/sched.h' line='39' column='1'/>
+ <parameter type-id='7292109c' name='can_migrate' filepath='include/trace/hooks/sched.h' line='39' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_cgroup_force_kthread_migration' mangled-name='__traceiter_android_rvh_cgroup_force_kthread_migration' filepath='include/trace/hooks/cgroup.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cgroup_force_kthread_migration'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cgroup.h' line='18' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/cgroup.h' line='18' column='1'/>
+ <parameter type-id='46ff135d' name='dst_cgrp' filepath='include/trace/hooks/cgroup.h' line='18' column='1'/>
+ <parameter type-id='d8e6b335' name='force_migration' filepath='include/trace/hooks/cgroup.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_check_preempt_tick' mangled-name='__traceiter_android_rvh_check_preempt_tick' filepath='include/trace/hooks/sched.h' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_check_preempt_tick'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <parameter type-id='1d2c2b85' name='ideal_runtime' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <parameter type-id='d8e6b335' name='skip_preempt' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <parameter type-id='7359adad' name='delta_exec' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <parameter type-id='ff2b3d10' name='curr' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <parameter type-id='f0981eeb' name='granularity' filepath='include/trace/hooks/sched.h' line='281' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_check_preempt_wakeup' mangled-name='__traceiter_android_rvh_check_preempt_wakeup' filepath='include/trace/hooks/sched.h' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_check_preempt_wakeup'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='d8e6b335' name='preempt' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='d8e6b335' name='nopreempt' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='95e97e5e' name='wake_flags' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='ff2b3d10' name='pse' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='95e97e5e' name='next_buddy_marked' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <parameter type-id='f0981eeb' name='granularity' filepath='include/trace/hooks/sched.h' line='256' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_cpu_cgroup_attach' mangled-name='__traceiter_android_rvh_cpu_cgroup_attach' filepath='include/trace/hooks/sched.h' line='199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpu_cgroup_attach'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='199' column='1'/>
+ <parameter type-id='8cffa561' name='tset' filepath='include/trace/hooks/sched.h' line='199' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_cpu_cgroup_can_attach' mangled-name='__traceiter_android_rvh_cpu_cgroup_can_attach' filepath='include/trace/hooks/sched.h' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpu_cgroup_can_attach'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='203' column='1'/>
+ <parameter type-id='8cffa561' name='tset' filepath='include/trace/hooks/sched.h' line='203' column='1'/>
+ <parameter type-id='7292109c' name='retval' filepath='include/trace/hooks/sched.h' line='203' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_cpu_cgroup_online' mangled-name='__traceiter_android_rvh_cpu_cgroup_online' filepath='include/trace/hooks/sched.h' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpu_cgroup_online'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='208' column='1'/>
+ <parameter type-id='cfff5953' name='css' filepath='include/trace/hooks/sched.h' line='208' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_cpu_overutilized' mangled-name='__traceiter_android_rvh_cpu_overutilized' filepath='include/trace/hooks/sched.h' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpu_overutilized'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='120' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='120' column='1'/>
+ <parameter type-id='7292109c' name='overutilized' filepath='include/trace/hooks/sched.h' line='120' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_cpufreq_transition' mangled-name='__traceiter_android_rvh_cpufreq_transition' filepath='include/trace/hooks/cpufreq.h' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpufreq_transition'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='31' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='31' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_cpuset_fork' mangled-name='__traceiter_android_rvh_cpuset_fork' filepath='include/trace/hooks/cgroup.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_cpuset_fork'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cgroup.h' line='15' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/cgroup.h' line='15' column='1'/>
+ <parameter type-id='7292109c' name='inherit_cpus' filepath='include/trace/hooks/cgroup.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_dequeue_entity' mangled-name='__traceiter_android_rvh_dequeue_entity' filepath='include/trace/hooks/sched.h' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_dequeue_entity'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='341' column='1'/>
+ <parameter type-id='a6892387' name='cfs' filepath='include/trace/hooks/sched.h' line='341' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='341' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_dequeue_task' mangled-name='__traceiter_android_rvh_dequeue_task' filepath='include/trace/hooks/sched.h' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_dequeue_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='35' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='35' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='35' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_dequeue_task_fair' mangled-name='__traceiter_android_rvh_dequeue_task_fair' filepath='include/trace/hooks/sched.h' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_dequeue_task_fair'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='353' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='353' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='353' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='353' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_die_kernel_fault' mangled-name='__traceiter_android_rvh_die_kernel_fault' filepath='include/trace/hooks/fault.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_die_kernel_fault'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+ <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+ <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+ <parameter type-id='80f4b756' name='msg' filepath='include/trace/hooks/fault.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_do_mem_abort' mangled-name='__traceiter_android_rvh_do_mem_abort' filepath='include/trace/hooks/fault.h' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_mem_abort'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+ <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+ <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+ <parameter type-id='80f4b756' name='msg' filepath='include/trace/hooks/fault.h' line='23' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_do_sched_yield' mangled-name='__traceiter_android_rvh_do_sched_yield' filepath='include/trace/hooks/sched.h' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_sched_yield'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='294' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='294' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_do_sp_pc_abort' mangled-name='__traceiter_android_rvh_do_sp_pc_abort' filepath='include/trace/hooks/fault.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_do_sp_pc_abort'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+ <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+ <parameter type-id='f0981eeb' name='esr' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+ <parameter type-id='b50a4934' name='user' filepath='include/trace/hooks/fault.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_enqueue_entity' mangled-name='__traceiter_android_rvh_enqueue_entity' filepath='include/trace/hooks/sched.h' line='337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_enqueue_entity'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='337' column='1'/>
+ <parameter type-id='a6892387' name='cfs' filepath='include/trace/hooks/sched.h' line='337' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='337' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_enqueue_task' mangled-name='__traceiter_android_rvh_enqueue_task' filepath='include/trace/hooks/sched.h' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_enqueue_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='31' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='31' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='31' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='31' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_enqueue_task_fair' mangled-name='__traceiter_android_rvh_enqueue_task_fair' filepath='include/trace/hooks/sched.h' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_enqueue_task_fair'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='349' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='349' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='349' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='349' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_find_busiest_group' mangled-name='__traceiter_android_rvh_find_busiest_group' filepath='include/trace/hooks/sched.h' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_busiest_group'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='69' column='1'/>
+ <parameter type-id='f3dcd492' name='busiest' filepath='include/trace/hooks/sched.h' line='69' column='1'/>
+ <parameter type-id='6ed6b432' name='dst_rq' filepath='include/trace/hooks/sched.h' line='69' column='1'/>
+ <parameter type-id='7292109c' name='out_balance' filepath='include/trace/hooks/sched.h' line='69' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_find_busiest_queue' mangled-name='__traceiter_android_rvh_find_busiest_queue' filepath='include/trace/hooks/sched.h' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_busiest_queue'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='96' column='1'/>
+ <parameter type-id='95e97e5e' name='dst_cpu' filepath='include/trace/hooks/sched.h' line='96' column='1'/>
+ <parameter type-id='f3dcd492' name='group' filepath='include/trace/hooks/sched.h' line='96' column='1'/>
+ <parameter type-id='74bccedd' name='env_cpus' filepath='include/trace/hooks/sched.h' line='96' column='1'/>
+ <parameter type-id='93fd81c8' name='busiest' filepath='include/trace/hooks/sched.h' line='96' column='1'/>
+ <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='96' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_find_energy_efficient_cpu' mangled-name='__traceiter_android_rvh_find_energy_efficient_cpu' filepath='include/trace/hooks/sched.h' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_energy_efficient_cpu'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='112' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='112' column='1'/>
+ <parameter type-id='95e97e5e' name='prev_cpu' filepath='include/trace/hooks/sched.h' line='112' column='1'/>
+ <parameter type-id='95e97e5e' name='sync' filepath='include/trace/hooks/sched.h' line='112' column='1'/>
+ <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='112' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_find_lowest_rq' mangled-name='__traceiter_android_rvh_find_lowest_rq' filepath='include/trace/hooks/sched.h' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_lowest_rq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='43' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='43' column='1'/>
+ <parameter type-id='74bccedd' name='local_cpu_mask' filepath='include/trace/hooks/sched.h' line='43' column='1'/>
+ <parameter type-id='95e97e5e' name='ret' filepath='include/trace/hooks/sched.h' line='43' column='1'/>
+ <parameter type-id='7292109c' name='lowest_cpu' filepath='include/trace/hooks/sched.h' line='43' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_find_new_ilb' mangled-name='__traceiter_android_rvh_find_new_ilb' filepath='include/trace/hooks/sched.h' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_find_new_ilb'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='377' column='1'/>
+ <parameter type-id='74bccedd' name='nohz_idle_cpus_mask' filepath='include/trace/hooks/sched.h' line='377' column='1'/>
+ <parameter type-id='7292109c' name='ilb' filepath='include/trace/hooks/sched.h' line='377' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_finish_prio_fork' mangled-name='__traceiter_android_rvh_finish_prio_fork' filepath='include/trace/hooks/sched.h' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_finish_prio_fork'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='52' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='52' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_flush_task' mangled-name='__traceiter_android_rvh_flush_task' filepath='include/trace/hooks/sched.h' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_flush_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='157' column='1'/>
+ <parameter type-id='f23e2572' name='prev' filepath='include/trace/hooks/sched.h' line='157' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_force_compatible_post' mangled-name='__traceiter_android_rvh_force_compatible_post' filepath='include/trace/hooks/sched.h' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_force_compatible_post'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='385' column='1'/>
+ <parameter type-id='eaa32e2f' name='unused' filepath='include/trace/hooks/sched.h' line='385' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_force_compatible_pre' mangled-name='__traceiter_android_rvh_force_compatible_pre' filepath='include/trace/hooks/sched.h' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_force_compatible_pre'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='381' column='1'/>
+ <parameter type-id='eaa32e2f' name='unused' filepath='include/trace/hooks/sched.h' line='381' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_gic_v3_set_affinity' mangled-name='__traceiter_android_rvh_gic_v3_set_affinity' filepath='include/trace/hooks/gic_v3.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_gic_v3_set_affinity'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gic_v3.h' line='18' column='1'/>
+ <parameter type-id='1c475548' name='d' filepath='include/trace/hooks/gic_v3.h' line='18' column='1'/>
+ <parameter type-id='5f8a1ac4' name='mask_val' filepath='include/trace/hooks/gic_v3.h' line='18' column='1'/>
+ <parameter type-id='3df9fd28' name='affinity' filepath='include/trace/hooks/gic_v3.h' line='18' column='1'/>
+ <parameter type-id='b50a4934' name='force' filepath='include/trace/hooks/gic_v3.h' line='18' column='1'/>
+ <parameter type-id='eaa32e2f' name='base' filepath='include/trace/hooks/gic_v3.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_irqs_disable' mangled-name='__traceiter_android_rvh_irqs_disable' filepath='include/trace/hooks/preemptirq.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_irqs_disable'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='22' column='1'/>
+ <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='22' column='1'/>
+ <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_irqs_enable' mangled-name='__traceiter_android_rvh_irqs_enable' filepath='include/trace/hooks/preemptirq.h' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_irqs_enable'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='26' column='1'/>
+ <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='26' column='1'/>
+ <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='26' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_media_device_setup_link' mangled-name='__traceiter_android_rvh_media_device_setup_link' filepath='include/trace/hooks/v4l2mc.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_media_device_setup_link'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2mc.h' line='19' column='1'/>
+ <parameter type-id='b4de78ea' name='link' filepath='include/trace/hooks/v4l2mc.h' line='19' column='1'/>
+ <parameter type-id='5e862192' name='linkd' filepath='include/trace/hooks/v4l2mc.h' line='19' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2mc.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_migrate_queued_task' mangled-name='__traceiter_android_rvh_migrate_queued_task' filepath='include/trace/hooks/sched.h' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_migrate_queued_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='102' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='102' column='1'/>
+ <parameter type-id='d0163a5e' name='rf' filepath='include/trace/hooks/sched.h' line='102' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='102' column='1'/>
+ <parameter type-id='95e97e5e' name='new_cpu' filepath='include/trace/hooks/sched.h' line='102' column='1'/>
+ <parameter type-id='7292109c' name='detached' filepath='include/trace/hooks/sched.h' line='102' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_new_task_stats' mangled-name='__traceiter_android_rvh_new_task_stats' filepath='include/trace/hooks/sched.h' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_new_task_stats'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='153' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='153' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_pci_d3_sleep' mangled-name='__traceiter_android_rvh_pci_d3_sleep' filepath='include/trace/hooks/pci.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_pci_d3_sleep'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/pci.h' line='15' column='1'/>
+ <parameter type-id='85196e3f' name='dev' filepath='include/trace/hooks/pci.h' line='15' column='1'/>
+ <parameter type-id='f0981eeb' name='delay' filepath='include/trace/hooks/pci.h' line='15' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/pci.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_pick_next_entity' mangled-name='__traceiter_android_rvh_pick_next_entity' filepath='include/trace/hooks/sched.h' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_pick_next_entity'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='251' column='1'/>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='251' column='1'/>
+ <parameter type-id='ff2b3d10' name='curr' filepath='include/trace/hooks/sched.h' line='251' column='1'/>
+ <parameter type-id='eb11624e' name='se' filepath='include/trace/hooks/sched.h' line='251' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_place_entity' mangled-name='__traceiter_android_rvh_place_entity' filepath='include/trace/hooks/sched.h' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_place_entity'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='182' column='1'/>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='182' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='182' column='1'/>
+ <parameter type-id='95e97e5e' name='initial' filepath='include/trace/hooks/sched.h' line='182' column='1'/>
+ <parameter type-id='91ce1af9' name='vruntime' filepath='include/trace/hooks/sched.h' line='182' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_post_init_entity_util_avg' mangled-name='__traceiter_android_rvh_post_init_entity_util_avg' filepath='include/trace/hooks/sched.h' line='310' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_post_init_entity_util_avg'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='310' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='310' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_preempt_disable' mangled-name='__traceiter_android_rvh_preempt_disable' filepath='include/trace/hooks/preemptirq.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_preempt_disable'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='14' column='1'/>
+ <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='14' column='1'/>
+ <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_preempt_enable' mangled-name='__traceiter_android_rvh_preempt_enable' filepath='include/trace/hooks/preemptirq.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_preempt_enable'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/preemptirq.h' line='18' column='1'/>
+ <parameter type-id='7359adad' name='ip' filepath='include/trace/hooks/preemptirq.h' line='18' column='1'/>
+ <parameter type-id='7359adad' name='parent_ip' filepath='include/trace/hooks/preemptirq.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_prepare_prio_fork' mangled-name='__traceiter_android_rvh_prepare_prio_fork' filepath='include/trace/hooks/sched.h' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_prepare_prio_fork'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='48' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='48' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_replace_next_task_fair' mangled-name='__traceiter_android_rvh_replace_next_task_fair' filepath='include/trace/hooks/sched.h' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_replace_next_task_fair'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+ <parameter type-id='afd4c988' name='p' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+ <parameter type-id='eb11624e' name='se' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+ <parameter type-id='d8e6b335' name='repick' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+ <parameter type-id='b50a4934' name='simple' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+ <parameter type-id='f23e2572' name='prev' filepath='include/trace/hooks/sched.h' line='289' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_report_bug' mangled-name='__traceiter_android_rvh_report_bug' filepath='include/trace/hooks/bug.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_report_bug'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/bug.h' line='14' column='1'/>
+ <parameter type-id='80f4b756' name='file' filepath='include/trace/hooks/bug.h' line='14' column='1'/>
+ <parameter type-id='f0981eeb' name='line' filepath='include/trace/hooks/bug.h' line='14' column='1'/>
+ <parameter type-id='7359adad' name='bugaddr' filepath='include/trace/hooks/bug.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_resume_cpus' mangled-name='__traceiter_android_rvh_resume_cpus' filepath='include/trace/hooks/sched.h' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_resume_cpus'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='108' column='1'/>
+ <parameter type-id='74bccedd' name='cpus' filepath='include/trace/hooks/sched.h' line='108' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/sched.h' line='108' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_rtmutex_prepare_setprio' mangled-name='__traceiter_android_rvh_rtmutex_prepare_setprio' filepath='include/trace/hooks/sched.h' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_rtmutex_prepare_setprio'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='56' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='56' column='1'/>
+ <parameter type-id='f23e2572' name='pi_task' filepath='include/trace/hooks/sched.h' line='56' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_balance_rt' mangled-name='__traceiter_android_rvh_sched_balance_rt' filepath='include/trace/hooks/sched.h' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_balance_rt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='242' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='242' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='242' column='1'/>
+ <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='242' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_cpu_dying' mangled-name='__traceiter_android_rvh_sched_cpu_dying' filepath='include/trace/hooks/sched.h' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_cpu_dying'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='173' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_cpu_starting' mangled-name='__traceiter_android_rvh_sched_cpu_starting' filepath='include/trace/hooks/sched.h' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_cpu_starting'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='169' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='169' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_exec' mangled-name='__traceiter_android_rvh_sched_exec' filepath='include/trace/hooks/sched.h' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_exec'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='224' column='1'/>
+ <parameter type-id='d8e6b335' name='cond' filepath='include/trace/hooks/sched.h' line='224' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_fork' mangled-name='__traceiter_android_rvh_sched_fork' filepath='include/trace/hooks/sched.h' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_fork'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='145' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='145' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_fork_init' mangled-name='__traceiter_android_rvh_sched_fork_init' filepath='include/trace/hooks/sched.h' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_fork_init'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='212' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='212' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_newidle_balance' mangled-name='__traceiter_android_rvh_sched_newidle_balance' filepath='include/trace/hooks/sched.h' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_newidle_balance'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='83' column='1'/>
+ <parameter type-id='6ed6b432' name='this_rq' filepath='include/trace/hooks/sched.h' line='83' column='1'/>
+ <parameter type-id='d0163a5e' name='rf' filepath='include/trace/hooks/sched.h' line='83' column='1'/>
+ <parameter type-id='7292109c' name='pulled_task' filepath='include/trace/hooks/sched.h' line='83' column='1'/>
+ <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='83' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_nohz_balancer_kick' mangled-name='__traceiter_android_rvh_sched_nohz_balancer_kick' filepath='include/trace/hooks/sched.h' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_nohz_balancer_kick'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='88' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='88' column='1'/>
+ <parameter type-id='807869d3' name='flags' filepath='include/trace/hooks/sched.h' line='88' column='1'/>
+ <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='88' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_rebalance_domains' mangled-name='__traceiter_android_rvh_sched_rebalance_domains' filepath='include/trace/hooks/sched.h' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_rebalance_domains'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='92' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='92' column='1'/>
+ <parameter type-id='7292109c' name='continue_balancing' filepath='include/trace/hooks/sched.h' line='92' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_sched_setaffinity' mangled-name='__traceiter_android_rvh_sched_setaffinity' filepath='include/trace/hooks/sched.h' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_sched_setaffinity'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='124' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='124' column='1'/>
+ <parameter type-id='5f8a1ac4' name='in_mask' filepath='include/trace/hooks/sched.h' line='124' column='1'/>
+ <parameter type-id='7292109c' name='retval' filepath='include/trace/hooks/sched.h' line='124' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_schedule' mangled-name='__traceiter_android_rvh_schedule' filepath='include/trace/hooks/sched.h' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_schedule'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='165' column='1'/>
+ <parameter type-id='f23e2572' name='prev' filepath='include/trace/hooks/sched.h' line='165' column='1'/>
+ <parameter type-id='f23e2572' name='next' filepath='include/trace/hooks/sched.h' line='165' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='165' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_schedule_bug' mangled-name='__traceiter_android_rvh_schedule_bug' filepath='include/trace/hooks/sched.h' line='220' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_schedule_bug'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='220' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='220' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_select_fallback_rq' mangled-name='__traceiter_android_rvh_select_fallback_rq' filepath='include/trace/hooks/sched.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_select_fallback_rq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='22' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='22' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='22' column='1'/>
+ <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_select_task_rq_fair' mangled-name='__traceiter_android_rvh_select_task_rq_fair' filepath='include/trace/hooks/sched.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_select_task_rq_fair'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='14' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='14' column='1'/>
+ <parameter type-id='95e97e5e' name='prev_cpu' filepath='include/trace/hooks/sched.h' line='14' column='1'/>
+ <parameter type-id='95e97e5e' name='sd_flag' filepath='include/trace/hooks/sched.h' line='14' column='1'/>
+ <parameter type-id='95e97e5e' name='wake_flags' filepath='include/trace/hooks/sched.h' line='14' column='1'/>
+ <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_select_task_rq_rt' mangled-name='__traceiter_android_rvh_select_task_rq_rt' filepath='include/trace/hooks/sched.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_select_task_rq_rt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='18' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='18' column='1'/>
+ <parameter type-id='95e97e5e' name='prev_cpu' filepath='include/trace/hooks/sched.h' line='18' column='1'/>
+ <parameter type-id='95e97e5e' name='sd_flag' filepath='include/trace/hooks/sched.h' line='18' column='1'/>
+ <parameter type-id='95e97e5e' name='wake_flags' filepath='include/trace/hooks/sched.h' line='18' column='1'/>
+ <parameter type-id='7292109c' name='new_cpu' filepath='include/trace/hooks/sched.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_balance_anon_file_reclaim' mangled-name='__traceiter_android_rvh_set_balance_anon_file_reclaim' filepath='include/trace/hooks/vmscan.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_balance_anon_file_reclaim'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/vmscan.h' line='28' column='1'/>
+ <parameter type-id='d8e6b335' name='balance_anon_file_reclaim' filepath='include/trace/hooks/vmscan.h' line='28' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_cpus_allowed_comm' mangled-name='__traceiter_android_rvh_set_cpus_allowed_comm' filepath='include/trace/hooks/sched.h' line='314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_cpus_allowed_comm'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='314' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='314' column='1'/>
+ <parameter type-id='5f8a1ac4' name='new_mask' filepath='include/trace/hooks/sched.h' line='314' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_gfp_zone_flags' mangled-name='__traceiter_android_rvh_set_gfp_zone_flags' filepath='include/trace/hooks/mm.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_gfp_zone_flags'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='22' column='1'/>
+ <parameter type-id='831e6e93' name='flags' filepath='include/trace/hooks/mm.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_iowait' mangled-name='__traceiter_android_rvh_set_iowait' filepath='include/trace/hooks/sched.h' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_iowait'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='116' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='116' column='1'/>
+ <parameter type-id='7292109c' name='should_iowait_boost' filepath='include/trace/hooks/sched.h' line='116' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_readahead_gfp_mask' mangled-name='__traceiter_android_rvh_set_readahead_gfp_mask' filepath='include/trace/hooks/mm.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_readahead_gfp_mask'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='25' column='1'/>
+ <parameter type-id='831e6e93' name='flags' filepath='include/trace/hooks/mm.h' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_skip_swapcache_flags' mangled-name='__traceiter_android_rvh_set_skip_swapcache_flags' filepath='include/trace/hooks/mm.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_skip_swapcache_flags'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='19' column='1'/>
+ <parameter type-id='831e6e93' name='flags' filepath='include/trace/hooks/mm.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_task_cpu' mangled-name='__traceiter_android_rvh_set_task_cpu' filepath='include/trace/hooks/sched.h' line='133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_task_cpu'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='133' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='133' column='1'/>
+ <parameter type-id='f0981eeb' name='new_cpu' filepath='include/trace/hooks/sched.h' line='133' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_set_user_nice' mangled-name='__traceiter_android_rvh_set_user_nice' filepath='include/trace/hooks/sched.h' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_set_user_nice'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='60' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='60' column='1'/>
+ <parameter type-id='3ccc2590' name='nice' filepath='include/trace/hooks/sched.h' line='60' column='1'/>
+ <parameter type-id='d8e6b335' name='allowed' filepath='include/trace/hooks/sched.h' line='60' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_setscheduler' mangled-name='__traceiter_android_rvh_setscheduler' filepath='include/trace/hooks/sched.h' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_setscheduler'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='64' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='64' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_show_max_freq' mangled-name='__traceiter_android_rvh_show_max_freq' filepath='include/trace/hooks/cpufreq.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_show_max_freq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='14' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='14' column='1'/>
+ <parameter type-id='807869d3' name='max_freq' filepath='include/trace/hooks/cpufreq.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_tick_entry' mangled-name='__traceiter_android_rvh_tick_entry' filepath='include/trace/hooks/sched.h' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_tick_entry'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='161' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='161' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_try_to_wake_up' mangled-name='__traceiter_android_rvh_try_to_wake_up' filepath='include/trace/hooks/sched.h' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_try_to_wake_up'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='137' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='137' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_try_to_wake_up_success' mangled-name='__traceiter_android_rvh_try_to_wake_up_success' filepath='include/trace/hooks/sched.h' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_try_to_wake_up_success'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='141' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='141' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_ttwu_cond' mangled-name='__traceiter_android_rvh_ttwu_cond' filepath='include/trace/hooks/sched.h' line='216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_ttwu_cond'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='216' column='1'/>
+ <parameter type-id='d8e6b335' name='cond' filepath='include/trace/hooks/sched.h' line='216' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_typec_tcpci_chk_contaminant' mangled-name='__traceiter_android_rvh_typec_tcpci_chk_contaminant' filepath='include/trace/hooks/typec.h' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_typec_tcpci_chk_contaminant'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+ <parameter type-id='eefe253e' name='tcpci' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+ <parameter type-id='b6733265' name='data' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/typec.h' line='32' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_typec_tcpci_get_vbus' mangled-name='__traceiter_android_rvh_typec_tcpci_get_vbus' filepath='include/trace/hooks/typec.h' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_typec_tcpci_get_vbus'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+ <parameter type-id='eefe253e' name='tcpci' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+ <parameter type-id='b6733265' name='data' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+ <parameter type-id='7292109c' name='vbus' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+ <parameter type-id='7292109c' name='bypass' filepath='include/trace/hooks/typec.h' line='43' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_uclamp_eff_get' mangled-name='__traceiter_android_rvh_uclamp_eff_get' filepath='include/trace/hooks/sched.h' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_uclamp_eff_get'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='273' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='273' column='1'/>
+ <parameter type-id='db819146' name='clamp_id' filepath='include/trace/hooks/sched.h' line='273' column='1'/>
+ <parameter type-id='a1ac03ea' name='uclamp_max' filepath='include/trace/hooks/sched.h' line='273' column='1'/>
+ <parameter type-id='a1ac03ea' name='uclamp_eff' filepath='include/trace/hooks/sched.h' line='273' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/sched.h' line='273' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_ufs_complete_init' mangled-name='__traceiter_android_rvh_ufs_complete_init' filepath='include/trace/hooks/ufshcd.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_ufs_complete_init'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='22' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_ufs_reprogram_all_keys' mangled-name='__traceiter_android_rvh_ufs_reprogram_all_keys' filepath='include/trace/hooks/ufshcd.h' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_ufs_reprogram_all_keys'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='26' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='26' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/ufshcd.h' line='26' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_update_cpu_capacity' mangled-name='__traceiter_android_rvh_update_cpu_capacity' filepath='include/trace/hooks/sched.h' line='190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_cpu_capacity'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='190' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='190' column='1'/>
+ <parameter type-id='1d2c2b85' name='capacity' filepath='include/trace/hooks/sched.h' line='190' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_update_cpus_allowed' mangled-name='__traceiter_android_rvh_update_cpus_allowed' filepath='include/trace/hooks/sched.h' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_cpus_allowed'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='128' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='128' column='1'/>
+ <parameter type-id='74bccedd' name='cpus_requested' filepath='include/trace/hooks/sched.h' line='128' column='1'/>
+ <parameter type-id='5f8a1ac4' name='new_mask' filepath='include/trace/hooks/sched.h' line='128' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/sched.h' line='128' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_update_misfit_status' mangled-name='__traceiter_android_rvh_update_misfit_status' filepath='include/trace/hooks/sched.h' line='194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_update_misfit_status'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='194' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='194' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='194' column='1'/>
+ <parameter type-id='d8e6b335' name='need_update' filepath='include/trace/hooks/sched.h' line='194' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_util_est_update' mangled-name='__traceiter_android_rvh_util_est_update' filepath='include/trace/hooks/sched.h' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_util_est_update'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='298' column='1'/>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/hooks/sched.h' line='298' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='298' column='1'/>
+ <parameter type-id='b50a4934' name='task_sleep' filepath='include/trace/hooks/sched.h' line='298' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/sched.h' line='298' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_v4l2subdev_set_fmt' mangled-name='__traceiter_android_rvh_v4l2subdev_set_fmt' filepath='include/trace/hooks/v4l2core.h' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_v4l2subdev_set_fmt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='52' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='include/trace/hooks/v4l2core.h' line='52' column='1'/>
+ <parameter type-id='288e890e' name='pad' filepath='include/trace/hooks/v4l2core.h' line='52' column='1'/>
+ <parameter type-id='cdea97c3' name='format' filepath='include/trace/hooks/v4l2core.h' line='52' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2core.h' line='52' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_v4l2subdev_set_frame_interval' mangled-name='__traceiter_android_rvh_v4l2subdev_set_frame_interval' filepath='include/trace/hooks/v4l2core.h' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_v4l2subdev_set_frame_interval'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='57' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='include/trace/hooks/v4l2core.h' line='57' column='1'/>
+ <parameter type-id='75099793' name='fi' filepath='include/trace/hooks/v4l2core.h' line='57' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2core.h' line='57' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_v4l2subdev_set_selection' mangled-name='__traceiter_android_rvh_v4l2subdev_set_selection' filepath='include/trace/hooks/v4l2core.h' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_v4l2subdev_set_selection'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='47' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='include/trace/hooks/v4l2core.h' line='47' column='1'/>
+ <parameter type-id='288e890e' name='pad' filepath='include/trace/hooks/v4l2core.h' line='47' column='1'/>
+ <parameter type-id='498944b4' name='sel' filepath='include/trace/hooks/v4l2core.h' line='47' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2core.h' line='47' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_rvh_wake_up_new_task' mangled-name='__traceiter_android_rvh_wake_up_new_task' filepath='include/trace/hooks/sched.h' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_rvh_wake_up_new_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='149' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='149' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_account_task_time' mangled-name='__traceiter_android_vh_account_task_time' filepath='include/trace/hooks/sched.h' line='302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_account_task_time'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='302' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='302' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='302' column='1'/>
+ <parameter type-id='95e97e5e' name='user_tick' filepath='include/trace/hooks/sched.h' line='302' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_aes_decrypt' mangled-name='__traceiter_android_vh_aes_decrypt' filepath='include/trace/hooks/fips140.h' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_aes_decrypt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='41' column='1'/>
+ <parameter type-id='825271e7' name='ctx' filepath='include/trace/hooks/fips140.h' line='41' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='include/trace/hooks/fips140.h' line='41' column='1'/>
+ <parameter type-id='bbaf3419' name='in' filepath='include/trace/hooks/fips140.h' line='41' column='1'/>
+ <parameter type-id='7292109c' name='hook_inuse' filepath='include/trace/hooks/fips140.h' line='41' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_aes_encrypt' mangled-name='__traceiter_android_vh_aes_encrypt' filepath='include/trace/hooks/fips140.h' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_aes_encrypt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='34' column='1'/>
+ <parameter type-id='825271e7' name='ctx' filepath='include/trace/hooks/fips140.h' line='34' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='include/trace/hooks/fips140.h' line='34' column='1'/>
+ <parameter type-id='bbaf3419' name='in' filepath='include/trace/hooks/fips140.h' line='34' column='1'/>
+ <parameter type-id='7292109c' name='hook_inuse' filepath='include/trace/hooks/fips140.h' line='34' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_aes_expandkey' mangled-name='__traceiter_android_vh_aes_expandkey' filepath='include/trace/hooks/fips140.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_aes_expandkey'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='27' column='1'/>
+ <parameter type-id='21370cb4' name='ctx' filepath='include/trace/hooks/fips140.h' line='27' column='1'/>
+ <parameter type-id='bbaf3419' name='in_key' filepath='include/trace/hooks/fips140.h' line='27' column='1'/>
+ <parameter type-id='f0981eeb' name='key_len' filepath='include/trace/hooks/fips140.h' line='27' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/fips140.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_allow_domain_state' mangled-name='__traceiter_android_vh_allow_domain_state' filepath='include/trace/hooks/pm_domain.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_allow_domain_state'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/pm_domain.h' line='15' column='1'/>
+ <parameter type-id='855e3679' name='genpd' filepath='include/trace/hooks/pm_domain.h' line='15' column='1'/>
+ <parameter type-id='8f92235e' name='idx' filepath='include/trace/hooks/pm_domain.h' line='15' column='1'/>
+ <parameter type-id='d8e6b335' name='allow' filepath='include/trace/hooks/pm_domain.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_alter_futex_plist_add' mangled-name='__traceiter_android_vh_alter_futex_plist_add' filepath='include/trace/hooks/futex.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_alter_futex_plist_add'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/futex.h' line='15' column='1'/>
+ <parameter type-id='afd8be4a' name='node' filepath='include/trace/hooks/futex.h' line='15' column='1'/>
+ <parameter type-id='63de1ba0' name='head' filepath='include/trace/hooks/futex.h' line='15' column='1'/>
+ <parameter type-id='d8e6b335' name='already_on_hb' filepath='include/trace/hooks/futex.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_alter_mutex_list_add' mangled-name='__traceiter_android_vh_alter_mutex_list_add' filepath='include/trace/hooks/dtask.h' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_alter_mutex_list_add'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='48' column='1'/>
+ <parameter type-id='e0ea832a' name='lock' filepath='include/trace/hooks/dtask.h' line='48' column='1'/>
+ <parameter type-id='3ca21ae3' name='waiter' filepath='include/trace/hooks/dtask.h' line='48' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='include/trace/hooks/dtask.h' line='48' column='1'/>
+ <parameter type-id='d8e6b335' name='already_on_list' filepath='include/trace/hooks/dtask.h' line='48' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_alter_rwsem_list_add' mangled-name='__traceiter_android_vh_alter_rwsem_list_add' filepath='include/trace/hooks/rwsem.h' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_alter_rwsem_list_add'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/rwsem.h' line='24' column='1'/>
+ <parameter type-id='a48f20d2' name='waiter' filepath='include/trace/hooks/rwsem.h' line='24' column='1'/>
+ <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/rwsem.h' line='24' column='1'/>
+ <parameter type-id='d8e6b335' name='already_on_list' filepath='include/trace/hooks/rwsem.h' line='24' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_arch_set_freq_scale' mangled-name='__traceiter_android_vh_arch_set_freq_scale' filepath='include/trace/hooks/topology.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_arch_set_freq_scale'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/topology.h' line='14' column='1'/>
+ <parameter type-id='5f8a1ac4' name='cpus' filepath='include/trace/hooks/topology.h' line='14' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='include/trace/hooks/topology.h' line='14' column='1'/>
+ <parameter type-id='7359adad' name='max' filepath='include/trace/hooks/topology.h' line='14' column='1'/>
+ <parameter type-id='1d2c2b85' name='scale' filepath='include/trace/hooks/topology.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_alloc_new_buf_locked' mangled-name='__traceiter_android_vh_binder_alloc_new_buf_locked' filepath='include/trace/hooks/binder.h' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_alloc_new_buf_locked'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='44' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='include/trace/hooks/binder.h' line='44' column='1'/>
+ <parameter type-id='8680af2b' name='alloc' filepath='include/trace/hooks/binder.h' line='44' column='1'/>
+ <parameter type-id='95e97e5e' name='is_async' filepath='include/trace/hooks/binder.h' line='44' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_del_ref' mangled-name='__traceiter_android_vh_binder_del_ref' filepath='include/trace/hooks/binder.h' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_del_ref'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='70' column='1'/>
+ <parameter type-id='f23e2572' name='proc' filepath='include/trace/hooks/binder.h' line='70' column='1'/>
+ <parameter type-id='8f92235e' name='ref_desc' filepath='include/trace/hooks/binder.h' line='70' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_new_ref' mangled-name='__traceiter_android_vh_binder_new_ref' filepath='include/trace/hooks/binder.h' line='67' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_new_ref'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='67' column='1'/>
+ <parameter type-id='f23e2572' name='proc' filepath='include/trace/hooks/binder.h' line='67' column='1'/>
+ <parameter type-id='8f92235e' name='ref_desc' filepath='include/trace/hooks/binder.h' line='67' column='1'/>
+ <parameter type-id='95e97e5e' name='node_debug_id' filepath='include/trace/hooks/binder.h' line='67' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_preset' mangled-name='__traceiter_android_vh_binder_preset' filepath='include/trace/hooks/binder.h' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_preset'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='59' column='1'/>
+ <parameter type-id='030d0b18' name='hhead' filepath='include/trace/hooks/binder.h' line='59' column='1'/>
+ <parameter type-id='e0ea832a' name='lock' filepath='include/trace/hooks/binder.h' line='59' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_print_transaction_info' mangled-name='__traceiter_android_vh_binder_print_transaction_info' filepath='include/trace/hooks/binder.h' line='73' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_print_transaction_info'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='73' column='1'/>
+ <parameter type-id='f8dc9def' name='m' filepath='include/trace/hooks/binder.h' line='73' column='1'/>
+ <parameter type-id='d1cf113c' name='proc' filepath='include/trace/hooks/binder.h' line='73' column='1'/>
+ <parameter type-id='80f4b756' name='prefix' filepath='include/trace/hooks/binder.h' line='73' column='1'/>
+ <parameter type-id='f4c3bb4c' name='t' filepath='include/trace/hooks/binder.h' line='73' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_priority_skip' mangled-name='__traceiter_android_vh_binder_priority_skip' filepath='include/trace/hooks/binder.h' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_priority_skip'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='24' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/binder.h' line='24' column='1'/>
+ <parameter type-id='d8e6b335' name='skip' filepath='include/trace/hooks/binder.h' line='24' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_proc_transaction' mangled-name='__traceiter_android_vh_binder_proc_transaction' filepath='include/trace/hooks/binder.h' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_proc_transaction'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='62' column='1'/>
+ <parameter type-id='f23e2572' name='caller_task' filepath='include/trace/hooks/binder.h' line='62' column='1'/>
+ <parameter type-id='f23e2572' name='binder_proc_task' filepath='include/trace/hooks/binder.h' line='62' column='1'/>
+ <parameter type-id='f23e2572' name='binder_th_task' filepath='include/trace/hooks/binder.h' line='62' column='1'/>
+ <parameter type-id='95e97e5e' name='node_debug_id' filepath='include/trace/hooks/binder.h' line='62' column='1'/>
+ <parameter type-id='f0981eeb' name='code' filepath='include/trace/hooks/binder.h' line='62' column='1'/>
+ <parameter type-id='b50a4934' name='pending_async' filepath='include/trace/hooks/binder.h' line='62' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_reply' mangled-name='__traceiter_android_vh_binder_reply' filepath='include/trace/hooks/binder.h' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_reply'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='47' column='1'/>
+ <parameter type-id='d1cf113c' name='target_proc' filepath='include/trace/hooks/binder.h' line='47' column='1'/>
+ <parameter type-id='d1cf113c' name='proc' filepath='include/trace/hooks/binder.h' line='47' column='1'/>
+ <parameter type-id='dd695fa4' name='thread' filepath='include/trace/hooks/binder.h' line='47' column='1'/>
+ <parameter type-id='55866c73' name='tr' filepath='include/trace/hooks/binder.h' line='47' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_restore_priority' mangled-name='__traceiter_android_vh_binder_restore_priority' filepath='include/trace/hooks/binder.h' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_restore_priority'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='30' column='1'/>
+ <parameter type-id='f4c3bb4c' name='t' filepath='include/trace/hooks/binder.h' line='30' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/binder.h' line='30' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_set_priority' mangled-name='__traceiter_android_vh_binder_set_priority' filepath='include/trace/hooks/binder.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_set_priority'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='27' column='1'/>
+ <parameter type-id='f4c3bb4c' name='t' filepath='include/trace/hooks/binder.h' line='27' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/binder.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_trans' mangled-name='__traceiter_android_vh_binder_trans' filepath='include/trace/hooks/binder.h' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_trans'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='51' column='1'/>
+ <parameter type-id='d1cf113c' name='target_proc' filepath='include/trace/hooks/binder.h' line='51' column='1'/>
+ <parameter type-id='d1cf113c' name='proc' filepath='include/trace/hooks/binder.h' line='51' column='1'/>
+ <parameter type-id='dd695fa4' name='thread' filepath='include/trace/hooks/binder.h' line='51' column='1'/>
+ <parameter type-id='55866c73' name='tr' filepath='include/trace/hooks/binder.h' line='51' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_transaction_init' mangled-name='__traceiter_android_vh_binder_transaction_init' filepath='include/trace/hooks/binder.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_transaction_init'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='21' column='1'/>
+ <parameter type-id='f4c3bb4c' name='t' filepath='include/trace/hooks/binder.h' line='21' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_wait_for_work' mangled-name='__traceiter_android_vh_binder_wait_for_work' filepath='include/trace/hooks/binder.h' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_wait_for_work'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='38' column='1'/>
+ <parameter type-id='b50a4934' name='do_proc_work' filepath='include/trace/hooks/binder.h' line='38' column='1'/>
+ <parameter type-id='dd695fa4' name='tsk' filepath='include/trace/hooks/binder.h' line='38' column='1'/>
+ <parameter type-id='d1cf113c' name='proc' filepath='include/trace/hooks/binder.h' line='38' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_binder_wakeup_ilocked' mangled-name='__traceiter_android_vh_binder_wakeup_ilocked' filepath='include/trace/hooks/binder.h' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_binder_wakeup_ilocked'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='35' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/binder.h' line='35' column='1'/>
+ <parameter type-id='b50a4934' name='sync' filepath='include/trace/hooks/binder.h' line='35' column='1'/>
+ <parameter type-id='d1cf113c' name='proc' filepath='include/trace/hooks/binder.h' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_blk_alloc_rqs' mangled-name='__traceiter_android_vh_blk_alloc_rqs' filepath='include/trace/hooks/block.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_blk_alloc_rqs'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/block.h' line='17' column='1'/>
+ <parameter type-id='78c01427' name='rq_size' filepath='include/trace/hooks/block.h' line='17' column='1'/>
+ <parameter type-id='cc26d15f' name='set' filepath='include/trace/hooks/block.h' line='17' column='1'/>
+ <parameter type-id='0461ecf5' name='tags' filepath='include/trace/hooks/block.h' line='17' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_blk_rq_ctx_init' mangled-name='__traceiter_android_vh_blk_rq_ctx_init' filepath='include/trace/hooks/block.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_blk_rq_ctx_init'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/block.h' line='22' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='include/trace/hooks/block.h' line='22' column='1'/>
+ <parameter type-id='0461ecf5' name='tags' filepath='include/trace/hooks/block.h' line='22' column='1'/>
+ <parameter type-id='3620a178' name='data' filepath='include/trace/hooks/block.h' line='22' column='1'/>
+ <parameter type-id='91ce1af9' name='alloc_time_ns' filepath='include/trace/hooks/block.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_build_sched_domains' mangled-name='__traceiter_android_vh_build_sched_domains' filepath='include/trace/hooks/sched.h' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_build_sched_domains'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='278' column='1'/>
+ <parameter type-id='b50a4934' name='has_asym' filepath='include/trace/hooks/sched.h' line='278' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cgroup_attach' mangled-name='__traceiter_android_vh_cgroup_attach' filepath='include/trace/hooks/cgroup.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cgroup_attach'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cgroup.h' line='27' column='1'/>
+ <parameter type-id='dc91d125' name='ss' filepath='include/trace/hooks/cgroup.h' line='27' column='1'/>
+ <parameter type-id='8cffa561' name='tset' filepath='include/trace/hooks/cgroup.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cgroup_set_task' mangled-name='__traceiter_android_vh_cgroup_set_task' filepath='include/trace/hooks/cgroup.h' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cgroup_set_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cgroup.h' line='12' column='1'/>
+ <parameter type-id='95e97e5e' name='ret' filepath='include/trace/hooks/cgroup.h' line='12' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/cgroup.h' line='12' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_check_bpf_syscall' mangled-name='__traceiter_android_vh_check_bpf_syscall' filepath='include/trace/hooks/syscall_check.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_check_bpf_syscall'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/syscall_check.h' line='25' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='include/trace/hooks/syscall_check.h' line='25' column='1'/>
+ <parameter type-id='2d14cfd8' name='attr' filepath='include/trace/hooks/syscall_check.h' line='25' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='include/trace/hooks/syscall_check.h' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_check_file_open' mangled-name='__traceiter_android_vh_check_file_open' filepath='include/trace/hooks/syscall_check.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_check_file_open'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/syscall_check.h' line='21' column='1'/>
+ <parameter type-id='5d92c9e0' name='file' filepath='include/trace/hooks/syscall_check.h' line='21' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_check_mmap_file' mangled-name='__traceiter_android_vh_check_mmap_file' filepath='include/trace/hooks/syscall_check.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_check_mmap_file'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/syscall_check.h' line='16' column='1'/>
+ <parameter type-id='5d92c9e0' name='file' filepath='include/trace/hooks/syscall_check.h' line='16' column='1'/>
+ <parameter type-id='7359adad' name='prot' filepath='include/trace/hooks/syscall_check.h' line='16' column='1'/>
+ <parameter type-id='7359adad' name='flag' filepath='include/trace/hooks/syscall_check.h' line='16' column='1'/>
+ <parameter type-id='7359adad' name='ret' filepath='include/trace/hooks/syscall_check.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_check_uninterruptible_tasks' mangled-name='__traceiter_android_vh_check_uninterruptible_tasks' filepath='include/trace/hooks/hung_task.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_check_uninterruptible_tasks'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/hung_task.h' line='13' column='1'/>
+ <parameter type-id='f23e2572' name='t' filepath='include/trace/hooks/hung_task.h' line='13' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='include/trace/hooks/hung_task.h' line='13' column='1'/>
+ <parameter type-id='d8e6b335' name='need_check' filepath='include/trace/hooks/hung_task.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_check_uninterruptible_tasks_dn' mangled-name='__traceiter_android_vh_check_uninterruptible_tasks_dn' filepath='include/trace/hooks/hung_task.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_check_uninterruptible_tasks_dn'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/hung_task.h' line='18' column='1'/>
+ <parameter type-id='eaa32e2f' name='unused' filepath='include/trace/hooks/hung_task.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_clear_mask_adjust' mangled-name='__traceiter_android_vh_clear_mask_adjust' filepath='include/trace/hooks/v4l2core.h' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_clear_mask_adjust'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='23' column='1'/>
+ <parameter type-id='f0981eeb' name='ctrl' filepath='include/trace/hooks/v4l2core.h' line='23' column='1'/>
+ <parameter type-id='7292109c' name='n' filepath='include/trace/hooks/v4l2core.h' line='23' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_clear_reserved_fmt_fields' mangled-name='__traceiter_android_vh_clear_reserved_fmt_fields' filepath='include/trace/hooks/v4l2core.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_clear_reserved_fmt_fields'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='14' column='1'/>
+ <parameter type-id='a4ca87c1' name='fmt' filepath='include/trace/hooks/v4l2core.h' line='14' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2core.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cma_alloc_finish' mangled-name='__traceiter_android_vh_cma_alloc_finish' filepath='include/trace/hooks/mm.h' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cma_alloc_finish'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='31' column='1'/>
+ <parameter type-id='6f67b38a' name='cma' filepath='include/trace/hooks/mm.h' line='31' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='31' column='1'/>
+ <parameter type-id='7359adad' name='count' filepath='include/trace/hooks/mm.h' line='31' column='1'/>
+ <parameter type-id='f0981eeb' name='align' filepath='include/trace/hooks/mm.h' line='31' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='include/trace/hooks/mm.h' line='31' column='1'/>
+ <parameter type-id='9b7c55ef' name='ts' filepath='include/trace/hooks/mm.h' line='31' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cma_alloc_start' mangled-name='__traceiter_android_vh_cma_alloc_start' filepath='include/trace/hooks/mm.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cma_alloc_start'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='28' column='1'/>
+ <parameter type-id='842ac8d6' name='ts' filepath='include/trace/hooks/mm.h' line='28' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_commit_creds' mangled-name='__traceiter_android_vh_commit_creds' filepath='include/trace/hooks/creds.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_commit_creds'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/creds.h' line='16' column='1'/>
+ <parameter type-id='b42ffb57' name='task' filepath='include/trace/hooks/creds.h' line='16' column='1'/>
+ <parameter type-id='bc33861a' name='new' filepath='include/trace/hooks/creds.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpu_idle_enter' mangled-name='__traceiter_android_vh_cpu_idle_enter' filepath='include/trace/hooks/cpuidle.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpu_idle_enter'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpuidle.h' line='15' column='1'/>
+ <parameter type-id='7292109c' name='state' filepath='include/trace/hooks/cpuidle.h' line='15' column='1'/>
+ <parameter type-id='1b0e1d00' name='dev' filepath='include/trace/hooks/cpuidle.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpu_idle_exit' mangled-name='__traceiter_android_vh_cpu_idle_exit' filepath='include/trace/hooks/cpuidle.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpu_idle_exit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpuidle.h' line='18' column='1'/>
+ <parameter type-id='95e97e5e' name='state' filepath='include/trace/hooks/cpuidle.h' line='18' column='1'/>
+ <parameter type-id='1b0e1d00' name='dev' filepath='include/trace/hooks/cpuidle.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpu_up' mangled-name='__traceiter_android_vh_cpu_up' filepath='include/trace/hooks/cpu.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpu_up'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpu.h' line='13' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu' filepath='include/trace/hooks/cpu.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpufreq_acct_update_power' mangled-name='__traceiter_android_vh_cpufreq_acct_update_power' filepath='include/trace/hooks/cpufreq.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpufreq_acct_update_power'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='27' column='1'/>
+ <parameter type-id='91ce1af9' name='cputime' filepath='include/trace/hooks/cpufreq.h' line='27' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/cpufreq.h' line='27' column='1'/>
+ <parameter type-id='f0981eeb' name='state' filepath='include/trace/hooks/cpufreq.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpufreq_fast_switch' mangled-name='__traceiter_android_vh_cpufreq_fast_switch' filepath='include/trace/hooks/cpufreq.h' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpufreq_fast_switch'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='40' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='40' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='include/trace/hooks/cpufreq.h' line='40' column='1'/>
+ <parameter type-id='f0981eeb' name='old_target_freq' filepath='include/trace/hooks/cpufreq.h' line='40' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpufreq_resolve_freq' mangled-name='__traceiter_android_vh_cpufreq_resolve_freq' filepath='include/trace/hooks/cpufreq.h' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpufreq_resolve_freq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='35' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='35' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='include/trace/hooks/cpufreq.h' line='35' column='1'/>
+ <parameter type-id='f0981eeb' name='old_target_freq' filepath='include/trace/hooks/cpufreq.h' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpufreq_target' mangled-name='__traceiter_android_vh_cpufreq_target' filepath='include/trace/hooks/cpufreq.h' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpufreq_target'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='45' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='45' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='include/trace/hooks/cpufreq.h' line='45' column='1'/>
+ <parameter type-id='f0981eeb' name='old_target_freq' filepath='include/trace/hooks/cpufreq.h' line='45' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpuidle_psci_enter' mangled-name='__traceiter_android_vh_cpuidle_psci_enter' filepath='include/trace/hooks/cpuidle_psci.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpuidle_psci_enter'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpuidle_psci.h' line='15' column='1'/>
+ <parameter type-id='1b0e1d00' name='dev' filepath='include/trace/hooks/cpuidle_psci.h' line='15' column='1'/>
+ <parameter type-id='b50a4934' name='s2idle' filepath='include/trace/hooks/cpuidle_psci.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_cpuidle_psci_exit' mangled-name='__traceiter_android_vh_cpuidle_psci_exit' filepath='include/trace/hooks/cpuidle_psci.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_cpuidle_psci_exit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpuidle_psci.h' line='19' column='1'/>
+ <parameter type-id='1b0e1d00' name='dev' filepath='include/trace/hooks/cpuidle_psci.h' line='19' column='1'/>
+ <parameter type-id='b50a4934' name='s2idle' filepath='include/trace/hooks/cpuidle_psci.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_do_send_sig_info' mangled-name='__traceiter_android_vh_do_send_sig_info' filepath='include/trace/hooks/signal.h' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_do_send_sig_info'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/signal.h' line='12' column='1'/>
+ <parameter type-id='95e97e5e' name='sig' filepath='include/trace/hooks/signal.h' line='12' column='1'/>
+ <parameter type-id='f23e2572' name='killer' filepath='include/trace/hooks/signal.h' line='12' column='1'/>
+ <parameter type-id='f23e2572' name='dst' filepath='include/trace/hooks/signal.h' line='12' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_do_wake_up_sync' mangled-name='__traceiter_android_vh_do_wake_up_sync' filepath='include/trace/hooks/sched.h' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_do_wake_up_sync'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='263' column='1'/>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='include/trace/hooks/sched.h' line='263' column='1'/>
+ <parameter type-id='7292109c' name='done' filepath='include/trace/hooks/sched.h' line='263' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_dump_throttled_rt_tasks' mangled-name='__traceiter_android_vh_dump_throttled_rt_tasks' filepath='include/trace/hooks/sched.h' line='73' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_dump_throttled_rt_tasks'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='73' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='include/trace/hooks/sched.h' line='73' column='1'/>
+ <parameter type-id='91ce1af9' name='clock' filepath='include/trace/hooks/sched.h' line='73' column='1'/>
+ <parameter type-id='fbc017ef' name='rt_period' filepath='include/trace/hooks/sched.h' line='73' column='1'/>
+ <parameter type-id='91ce1af9' name='rt_runtime' filepath='include/trace/hooks/sched.h' line='73' column='1'/>
+ <parameter type-id='9b7c55ef' name='rt_period_timer_expires' filepath='include/trace/hooks/sched.h' line='73' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_em_cpu_energy' mangled-name='__traceiter_android_vh_em_cpu_energy' filepath='include/trace/hooks/sched.h' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_em_cpu_energy'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='236' column='1'/>
+ <parameter type-id='ce714046' name='pd' filepath='include/trace/hooks/sched.h' line='236' column='1'/>
+ <parameter type-id='7359adad' name='max_util' filepath='include/trace/hooks/sched.h' line='236' column='1'/>
+ <parameter type-id='7359adad' name='sum_util' filepath='include/trace/hooks/sched.h' line='236' column='1'/>
+ <parameter type-id='1d2c2b85' name='energy' filepath='include/trace/hooks/sched.h' line='236' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_enable_thermal_genl_check' mangled-name='__traceiter_android_vh_enable_thermal_genl_check' filepath='include/trace/hooks/thermal.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_enable_thermal_genl_check'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/thermal.h' line='13' column='1'/>
+ <parameter type-id='95e97e5e' name='event' filepath='include/trace/hooks/thermal.h' line='13' column='1'/>
+ <parameter type-id='95e97e5e' name='tz_id' filepath='include/trace/hooks/thermal.h' line='13' column='1'/>
+ <parameter type-id='7292109c' name='enable_thermal_genl' filepath='include/trace/hooks/thermal.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ep_create_wakeup_source' mangled-name='__traceiter_android_vh_ep_create_wakeup_source' filepath='include/trace/hooks/fs.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ep_create_wakeup_source'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fs.h' line='13' column='1'/>
+ <parameter type-id='26a90f95' name='name' filepath='include/trace/hooks/fs.h' line='13' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='include/trace/hooks/fs.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_exclude_reserved_zone' mangled-name='__traceiter_android_vh_exclude_reserved_zone' filepath='include/trace/hooks/mm.h' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_exclude_reserved_zone'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='61' column='1'/>
+ <parameter type-id='df4b7819' name='mm' filepath='include/trace/hooks/mm.h' line='61' column='1'/>
+ <parameter type-id='452b82fa' name='info' filepath='include/trace/hooks/mm.h' line='61' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_exit_creds' mangled-name='__traceiter_android_vh_exit_creds' filepath='include/trace/hooks/creds.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_exit_creds'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/creds.h' line='20' column='1'/>
+ <parameter type-id='b42ffb57' name='task' filepath='include/trace/hooks/creds.h' line='20' column='1'/>
+ <parameter type-id='bc33861a' name='cred' filepath='include/trace/hooks/creds.h' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_exit_mm' mangled-name='__traceiter_android_vh_exit_mm' filepath='include/trace/hooks/mm.h' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_exit_mm'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='54' column='1'/>
+ <parameter type-id='df4b7819' name='mm' filepath='include/trace/hooks/mm.h' line='54' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_filemap_fault_cache_page' mangled-name='__traceiter_android_vh_filemap_fault_cache_page' filepath='include/trace/hooks/mm.h' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_filemap_fault_cache_page'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='48' column='1'/>
+ <parameter type-id='d02f4143' name='vmf' filepath='include/trace/hooks/mm.h' line='48' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='48' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_filemap_fault_get_page' mangled-name='__traceiter_android_vh_filemap_fault_get_page' filepath='include/trace/hooks/mm.h' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_filemap_fault_get_page'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='45' column='1'/>
+ <parameter type-id='d02f4143' name='vmf' filepath='include/trace/hooks/mm.h' line='45' column='1'/>
+ <parameter type-id='9f93c9da' name='page' filepath='include/trace/hooks/mm.h' line='45' column='1'/>
+ <parameter type-id='d8e6b335' name='retry' filepath='include/trace/hooks/mm.h' line='45' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_fill_ext_fmtdesc' mangled-name='__traceiter_android_vh_fill_ext_fmtdesc' filepath='include/trace/hooks/v4l2core.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_fill_ext_fmtdesc'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='19' column='1'/>
+ <parameter type-id='3c28582e' name='fmtd' filepath='include/trace/hooks/v4l2core.h' line='19' column='1'/>
+ <parameter type-id='7d3cd834' name='descr' filepath='include/trace/hooks/v4l2core.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_finish_update_load_avg_se' mangled-name='__traceiter_android_vh_finish_update_load_avg_se' filepath='include/trace/hooks/sched.h' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_finish_update_load_avg_se'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='365' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='365' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='365' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_free_task' mangled-name='__traceiter_android_vh_free_task' filepath='include/trace/hooks/sched.h' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_free_task'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='322' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='322' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_freq_qos_add_request' mangled-name='__traceiter_android_vh_freq_qos_add_request' filepath='include/trace/hooks/power.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_freq_qos_add_request'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/power.h' line='27' column='1'/>
+ <parameter type-id='1351457a' name='qos' filepath='include/trace/hooks/power.h' line='27' column='1'/>
+ <parameter type-id='3fdf7ca3' name='req' filepath='include/trace/hooks/power.h' line='27' column='1'/>
+ <parameter type-id='1df5cca8' name='type' filepath='include/trace/hooks/power.h' line='27' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='include/trace/hooks/power.h' line='27' column='1'/>
+ <parameter type-id='95e97e5e' name='ret' filepath='include/trace/hooks/power.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_freq_qos_remove_request' mangled-name='__traceiter_android_vh_freq_qos_remove_request' filepath='include/trace/hooks/power.h' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_freq_qos_remove_request'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/power.h' line='36' column='1'/>
+ <parameter type-id='3fdf7ca3' name='req' filepath='include/trace/hooks/power.h' line='36' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_freq_qos_update_request' mangled-name='__traceiter_android_vh_freq_qos_update_request' filepath='include/trace/hooks/power.h' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_freq_qos_update_request'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/power.h' line='32' column='1'/>
+ <parameter type-id='3fdf7ca3' name='req' filepath='include/trace/hooks/power.h' line='32' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='include/trace/hooks/power.h' line='32' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_freq_table_limits' mangled-name='__traceiter_android_vh_freq_table_limits' filepath='include/trace/hooks/cpufreq.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_freq_table_limits'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='22' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='22' column='1'/>
+ <parameter type-id='f0981eeb' name='min_freq' filepath='include/trace/hooks/cpufreq.h' line='22' column='1'/>
+ <parameter type-id='f0981eeb' name='max_freq' filepath='include/trace/hooks/cpufreq.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ftrace_dump_buffer' mangled-name='__traceiter_android_vh_ftrace_dump_buffer' filepath='include/trace/hooks/ftrace_dump.h' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ftrace_dump_buffer'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ftrace_dump.h' line='32' column='1'/>
+ <parameter type-id='fc932690' name='trace_buf' filepath='include/trace/hooks/ftrace_dump.h' line='32' column='1'/>
+ <parameter type-id='d8e6b335' name='dump_printk' filepath='include/trace/hooks/ftrace_dump.h' line='32' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ftrace_format_check' mangled-name='__traceiter_android_vh_ftrace_format_check' filepath='include/trace/hooks/ftrace_dump.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ftrace_format_check'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ftrace_dump.h' line='28' column='1'/>
+ <parameter type-id='d8e6b335' name='ftrace_check' filepath='include/trace/hooks/ftrace_dump.h' line='28' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ftrace_oops_enter' mangled-name='__traceiter_android_vh_ftrace_oops_enter' filepath='include/trace/hooks/ftrace_dump.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ftrace_oops_enter'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ftrace_dump.h' line='16' column='1'/>
+ <parameter type-id='d8e6b335' name='ftrace_check' filepath='include/trace/hooks/ftrace_dump.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ftrace_oops_exit' mangled-name='__traceiter_android_vh_ftrace_oops_exit' filepath='include/trace/hooks/ftrace_dump.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ftrace_oops_exit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ftrace_dump.h' line='20' column='1'/>
+ <parameter type-id='d8e6b335' name='ftrace_check' filepath='include/trace/hooks/ftrace_dump.h' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ftrace_size_check' mangled-name='__traceiter_android_vh_ftrace_size_check' filepath='include/trace/hooks/ftrace_dump.h' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ftrace_size_check'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ftrace_dump.h' line='24' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='include/trace/hooks/ftrace_dump.h' line='24' column='1'/>
+ <parameter type-id='d8e6b335' name='ftrace_check' filepath='include/trace/hooks/ftrace_dump.h' line='24' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_get_from_fragment_pool' mangled-name='__traceiter_android_vh_get_from_fragment_pool' filepath='include/trace/hooks/mm.h' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_get_from_fragment_pool'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='57' column='1'/>
+ <parameter type-id='df4b7819' name='mm' filepath='include/trace/hooks/mm.h' line='57' column='1'/>
+ <parameter type-id='452b82fa' name='info' filepath='include/trace/hooks/mm.h' line='57' column='1'/>
+ <parameter type-id='1d2c2b85' name='addr' filepath='include/trace/hooks/mm.h' line='57' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_gic_resume' mangled-name='__traceiter_android_vh_gic_resume' filepath='include/trace/hooks/gic.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_gic_resume'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gic.h' line='15' column='1'/>
+ <parameter type-id='174bf37c' name='gd' filepath='include/trace/hooks/gic.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_gpio_block_read' mangled-name='__traceiter_android_vh_gpio_block_read' filepath='include/trace/hooks/gpiolib.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_gpio_block_read'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/gpiolib.h' line='15' column='1'/>
+ <parameter type-id='fb7dc22d' name='gdev' filepath='include/trace/hooks/gpiolib.h' line='15' column='1'/>
+ <parameter type-id='d8e6b335' name='block_gpio_read' filepath='include/trace/hooks/gpiolib.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_include_reserved_zone' mangled-name='__traceiter_android_vh_include_reserved_zone' filepath='include/trace/hooks/mm.h' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_include_reserved_zone'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='64' column='1'/>
+ <parameter type-id='df4b7819' name='mm' filepath='include/trace/hooks/mm.h' line='64' column='1'/>
+ <parameter type-id='452b82fa' name='info' filepath='include/trace/hooks/mm.h' line='64' column='1'/>
+ <parameter type-id='1d2c2b85' name='addr' filepath='include/trace/hooks/mm.h' line='64' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_iommu_alloc_iova' mangled-name='__traceiter_android_vh_iommu_alloc_iova' filepath='include/trace/hooks/iommu.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_iommu_alloc_iova'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/iommu.h' line='19' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='include/trace/hooks/iommu.h' line='19' column='1'/>
+ <parameter type-id='cf29c9b3' name='iova' filepath='include/trace/hooks/iommu.h' line='19' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='include/trace/hooks/iommu.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_iommu_free_iova' mangled-name='__traceiter_android_vh_iommu_free_iova' filepath='include/trace/hooks/iommu.h' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_iommu_free_iova'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/iommu.h' line='29' column='1'/>
+ <parameter type-id='cf29c9b3' name='iova' filepath='include/trace/hooks/iommu.h' line='29' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='include/trace/hooks/iommu.h' line='29' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_iommu_iovad_alloc_iova' mangled-name='__traceiter_android_vh_iommu_iovad_alloc_iova' filepath='include/trace/hooks/iommu.h' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_iommu_iovad_alloc_iova'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/iommu.h' line='25' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='include/trace/hooks/iommu.h' line='25' column='1'/>
+ <parameter type-id='0c2c419d' name='iovad' filepath='include/trace/hooks/iommu.h' line='25' column='1'/>
+ <parameter type-id='cf29c9b3' name='iova' filepath='include/trace/hooks/iommu.h' line='25' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='include/trace/hooks/iommu.h' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_iommu_iovad_free_iova' mangled-name='__traceiter_android_vh_iommu_iovad_free_iova' filepath='include/trace/hooks/iommu.h' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_iommu_iovad_free_iova'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/iommu.h' line='33' column='1'/>
+ <parameter type-id='0c2c419d' name='iovad' filepath='include/trace/hooks/iommu.h' line='33' column='1'/>
+ <parameter type-id='cf29c9b3' name='iova' filepath='include/trace/hooks/iommu.h' line='33' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='include/trace/hooks/iommu.h' line='33' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_iommu_setup_dma_ops' mangled-name='__traceiter_android_vh_iommu_setup_dma_ops' filepath='include/trace/hooks/iommu.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_iommu_setup_dma_ops'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/iommu.h' line='15' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='include/trace/hooks/iommu.h' line='15' column='1'/>
+ <parameter type-id='91ce1af9' name='dma_base' filepath='include/trace/hooks/iommu.h' line='15' column='1'/>
+ <parameter type-id='91ce1af9' name='size' filepath='include/trace/hooks/iommu.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ipi_stop' mangled-name='__traceiter_android_vh_ipi_stop' filepath='include/trace/hooks/debug.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ipi_stop'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/debug.h' line='16' column='1'/>
+ <parameter type-id='4616a179' name='regs' filepath='include/trace/hooks/debug.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ipv6_gen_linklocal_addr' mangled-name='__traceiter_android_vh_ipv6_gen_linklocal_addr' filepath='include/trace/hooks/ipv6.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ipv6_gen_linklocal_addr'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ipv6.h' line='14' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='include/trace/hooks/ipv6.h' line='14' column='1'/>
+ <parameter type-id='d8e6b335' name='ret' filepath='include/trace/hooks/ipv6.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_is_fpsimd_save' mangled-name='__traceiter_android_vh_is_fpsimd_save' filepath='include/trace/hooks/fpsimd.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_is_fpsimd_save'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fpsimd.h' line='15' column='1'/>
+ <parameter type-id='f23e2572' name='prev' filepath='include/trace/hooks/fpsimd.h' line='15' column='1'/>
+ <parameter type-id='f23e2572' name='next' filepath='include/trace/hooks/fpsimd.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_jiffies_update' mangled-name='__traceiter_android_vh_jiffies_update' filepath='include/trace/hooks/sched.h' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_jiffies_update'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='78' column='1'/>
+ <parameter type-id='eaa32e2f' name='unused' filepath='include/trace/hooks/sched.h' line='78' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_kfree_skb' mangled-name='__traceiter_android_vh_kfree_skb' filepath='include/trace/hooks/net.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_kfree_skb'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/net.h' line='18' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='include/trace/hooks/net.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_kmalloc_slab' mangled-name='__traceiter_android_vh_kmalloc_slab' filepath='include/trace/hooks/mm.h' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_kmalloc_slab'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='120' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='include/trace/hooks/mm.h' line='120' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='include/trace/hooks/mm.h' line='120' column='1'/>
+ <parameter type-id='276b90a6' name='s' filepath='include/trace/hooks/mm.h' line='120' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_logbuf' mangled-name='__traceiter_android_vh_logbuf' filepath='include/trace/hooks/logbuf.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_logbuf'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/logbuf.h' line='16' column='1'/>
+ <parameter type-id='eb711f18' name='rb' filepath='include/trace/hooks/logbuf.h' line='16' column='1'/>
+ <parameter type-id='81955d27' name='r' filepath='include/trace/hooks/logbuf.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_logbuf_pr_cont' mangled-name='__traceiter_android_vh_logbuf_pr_cont' filepath='include/trace/hooks/logbuf.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_logbuf_pr_cont'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/logbuf.h' line='20' column='1'/>
+ <parameter type-id='81955d27' name='r' filepath='include/trace/hooks/logbuf.h' line='20' column='1'/>
+ <parameter type-id='b59d7dce' name='text_len' filepath='include/trace/hooks/logbuf.h' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_map_util_freq' mangled-name='__traceiter_android_vh_map_util_freq' filepath='include/trace/hooks/sched.h' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_map_util_freq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='229' column='1'/>
+ <parameter type-id='7359adad' name='util' filepath='include/trace/hooks/sched.h' line='229' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='include/trace/hooks/sched.h' line='229' column='1'/>
+ <parameter type-id='7359adad' name='cap' filepath='include/trace/hooks/sched.h' line='229' column='1'/>
+ <parameter type-id='1d2c2b85' name='next_freq' filepath='include/trace/hooks/sched.h' line='229' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/sched.h' line='229' column='1'/>
+ <parameter type-id='d8e6b335' name='need_freq_update' filepath='include/trace/hooks/sched.h' line='229' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_media_device_setup_link' mangled-name='__traceiter_android_vh_media_device_setup_link' filepath='include/trace/hooks/v4l2mc.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_media_device_setup_link'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2mc.h' line='15' column='1'/>
+ <parameter type-id='b4de78ea' name='link' filepath='include/trace/hooks/v4l2mc.h' line='15' column='1'/>
+ <parameter type-id='5e862192' name='linkd' filepath='include/trace/hooks/v4l2mc.h' line='15' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2mc.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mem_cgroup_alloc' mangled-name='__traceiter_android_vh_mem_cgroup_alloc' filepath='include/trace/hooks/mm.h' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mem_cgroup_alloc'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='104' column='1'/>
+ <parameter type-id='223696fb' name='memcg' filepath='include/trace/hooks/mm.h' line='104' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mem_cgroup_css_offline' mangled-name='__traceiter_android_vh_mem_cgroup_css_offline' filepath='include/trace/hooks/mm.h' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mem_cgroup_css_offline'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='117' column='1'/>
+ <parameter type-id='cfff5953' name='css' filepath='include/trace/hooks/mm.h' line='117' column='1'/>
+ <parameter type-id='223696fb' name='memcg' filepath='include/trace/hooks/mm.h' line='117' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mem_cgroup_css_online' mangled-name='__traceiter_android_vh_mem_cgroup_css_online' filepath='include/trace/hooks/mm.h' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mem_cgroup_css_online'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='114' column='1'/>
+ <parameter type-id='cfff5953' name='css' filepath='include/trace/hooks/mm.h' line='114' column='1'/>
+ <parameter type-id='223696fb' name='memcg' filepath='include/trace/hooks/mm.h' line='114' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mem_cgroup_free' mangled-name='__traceiter_android_vh_mem_cgroup_free' filepath='include/trace/hooks/mm.h' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mem_cgroup_free'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='107' column='1'/>
+ <parameter type-id='223696fb' name='memcg' filepath='include/trace/hooks/mm.h' line='107' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mem_cgroup_id_remove' mangled-name='__traceiter_android_vh_mem_cgroup_id_remove' filepath='include/trace/hooks/mm.h' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mem_cgroup_id_remove'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='110' column='1'/>
+ <parameter type-id='223696fb' name='memcg' filepath='include/trace/hooks/mm.h' line='110' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_meminfo_proc_show' mangled-name='__traceiter_android_vh_meminfo_proc_show' filepath='include/trace/hooks/mm.h' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_meminfo_proc_show'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='51' column='1'/>
+ <parameter type-id='f8dc9def' name='m' filepath='include/trace/hooks/mm.h' line='51' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mm_dirty_limits' mangled-name='__traceiter_android_vh_mm_dirty_limits' filepath='include/trace/hooks/mm.h' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mm_dirty_limits'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='82' column='1'/>
+ <parameter type-id='0efe5dbf' name='gdtc' filepath='include/trace/hooks/mm.h' line='82' column='1'/>
+ <parameter type-id='b50a4934' name='strictlimit' filepath='include/trace/hooks/mm.h' line='82' column='1'/>
+ <parameter type-id='7359adad' name='dirty' filepath='include/trace/hooks/mm.h' line='82' column='1'/>
+ <parameter type-id='7359adad' name='bg_thresh' filepath='include/trace/hooks/mm.h' line='82' column='1'/>
+ <parameter type-id='7359adad' name='nr_reclaimable' filepath='include/trace/hooks/mm.h' line='82' column='1'/>
+ <parameter type-id='7359adad' name='pages_dirtied' filepath='include/trace/hooks/mm.h' line='82' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mmap_region' mangled-name='__traceiter_android_vh_mmap_region' filepath='include/trace/hooks/mm.h' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mmap_region'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='123' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='include/trace/hooks/mm.h' line='123' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/mm.h' line='123' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mmc_attach_sd' mangled-name='__traceiter_android_vh_mmc_attach_sd' filepath='include/trace/hooks/mmc_core.h' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mmc_attach_sd'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='26' column='1'/>
+ <parameter type-id='dd575c43' name='host' filepath='include/trace/hooks/mmc_core.h' line='26' column='1'/>
+ <parameter type-id='19c2251e' name='ocr' filepath='include/trace/hooks/mmc_core.h' line='26' column='1'/>
+ <parameter type-id='95e97e5e' name='err' filepath='include/trace/hooks/mmc_core.h' line='26' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mmc_blk_mq_rw_recovery' mangled-name='__traceiter_android_vh_mmc_blk_mq_rw_recovery' filepath='include/trace/hooks/mmc_core.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mmc_blk_mq_rw_recovery'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='20' column='1'/>
+ <parameter type-id='13d38dcb' name='card' filepath='include/trace/hooks/mmc_core.h' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mmc_blk_reset' mangled-name='__traceiter_android_vh_mmc_blk_reset' filepath='include/trace/hooks/mmc_core.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mmc_blk_reset'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='17' column='1'/>
+ <parameter type-id='dd575c43' name='host' filepath='include/trace/hooks/mmc_core.h' line='17' column='1'/>
+ <parameter type-id='95e97e5e' name='err' filepath='include/trace/hooks/mmc_core.h' line='17' column='1'/>
+ <parameter type-id='d8e6b335' name='allow' filepath='include/trace/hooks/mmc_core.h' line='17' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mmc_gpio_cd_irqt' mangled-name='__traceiter_android_vh_mmc_gpio_cd_irqt' filepath='include/trace/hooks/mmc_core.h' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mmc_gpio_cd_irqt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='32' column='1'/>
+ <parameter type-id='dd575c43' name='host' filepath='include/trace/hooks/mmc_core.h' line='32' column='1'/>
+ <parameter type-id='d8e6b335' name='allow' filepath='include/trace/hooks/mmc_core.h' line='32' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mutex_unlock_slowpath' mangled-name='__traceiter_android_vh_mutex_unlock_slowpath' filepath='include/trace/hooks/dtask.h' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mutex_unlock_slowpath'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='54' column='1'/>
+ <parameter type-id='e0ea832a' name='lock' filepath='include/trace/hooks/dtask.h' line='54' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mutex_wait_finish' mangled-name='__traceiter_android_vh_mutex_wait_finish' filepath='include/trace/hooks/dtask.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mutex_wait_finish'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='18' column='1'/>
+ <parameter type-id='e0ea832a' name='lock' filepath='include/trace/hooks/dtask.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_mutex_wait_start' mangled-name='__traceiter_android_vh_mutex_wait_start' filepath='include/trace/hooks/dtask.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_mutex_wait_start'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/dtask.h' line='15' column='1'/>
+ <parameter type-id='e0ea832a' name='lock' filepath='include/trace/hooks/dtask.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_of_i2c_get_board_info' mangled-name='__traceiter_android_vh_of_i2c_get_board_info' filepath='include/trace/hooks/i2c.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_of_i2c_get_board_info'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/i2c.h' line='13' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='include/trace/hooks/i2c.h' line='13' column='1'/>
+ <parameter type-id='7d3cd834' name='dev_name' filepath='include/trace/hooks/i2c.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_override_creds' mangled-name='__traceiter_android_vh_override_creds' filepath='include/trace/hooks/creds.h' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_override_creds'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/creds.h' line='24' column='1'/>
+ <parameter type-id='b42ffb57' name='task' filepath='include/trace/hooks/creds.h' line='24' column='1'/>
+ <parameter type-id='bc33861a' name='new' filepath='include/trace/hooks/creds.h' line='24' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_pagecache_get_page' mangled-name='__traceiter_android_vh_pagecache_get_page' filepath='include/trace/hooks/mm.h' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_pagecache_get_page'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+ <parameter type-id='f57039f0' name='mapping' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+ <parameter type-id='95e97e5e' name='fgp_flags' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='41' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_prepare_update_load_avg_se' mangled-name='__traceiter_android_vh_prepare_update_load_avg_se' filepath='include/trace/hooks/sched.h' line='357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_prepare_update_load_avg_se'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='357' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/hooks/sched.h' line='357' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='include/trace/hooks/sched.h' line='357' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_printk_hotplug' mangled-name='__traceiter_android_vh_printk_hotplug' filepath='include/trace/hooks/printk.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_printk_hotplug'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/printk.h' line='13' column='1'/>
+ <parameter type-id='7292109c' name='flag' filepath='include/trace/hooks/printk.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_process_killed' mangled-name='__traceiter_android_vh_process_killed' filepath='include/trace/hooks/signal.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_process_killed'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/signal.h' line='15' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/signal.h' line='15' column='1'/>
+ <parameter type-id='d8e6b335' name='reap' filepath='include/trace/hooks/signal.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ptype_head' mangled-name='__traceiter_android_vh_ptype_head' filepath='include/trace/hooks/net.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ptype_head'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/net.h' line='15' column='1'/>
+ <parameter type-id='90532519' name='pt' filepath='include/trace/hooks/net.h' line='15' column='1'/>
+ <parameter type-id='e84b031a' name='vendor_pt' filepath='include/trace/hooks/net.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_revert_creds' mangled-name='__traceiter_android_vh_revert_creds' filepath='include/trace/hooks/creds.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_revert_creds'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/creds.h' line='28' column='1'/>
+ <parameter type-id='b42ffb57' name='task' filepath='include/trace/hooks/creds.h' line='28' column='1'/>
+ <parameter type-id='bc33861a' name='old' filepath='include/trace/hooks/creds.h' line='28' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_rmqueue' mangled-name='__traceiter_android_vh_rmqueue' filepath='include/trace/hooks/mm.h' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rmqueue'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='35' column='1'/>
+ <parameter type-id='0a0aff97' name='preferred_zone' filepath='include/trace/hooks/mm.h' line='35' column='1'/>
+ <parameter type-id='0a0aff97' name='zone' filepath='include/trace/hooks/mm.h' line='35' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='include/trace/hooks/mm.h' line='35' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_flags' filepath='include/trace/hooks/mm.h' line='35' column='1'/>
+ <parameter type-id='f0981eeb' name='alloc_flags' filepath='include/trace/hooks/mm.h' line='35' column='1'/>
+ <parameter type-id='95e97e5e' name='migratetype' filepath='include/trace/hooks/mm.h' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_rproc_recovery' mangled-name='__traceiter_android_vh_rproc_recovery' filepath='include/trace/hooks/remoteproc.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rproc_recovery'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/remoteproc.h' line='16' column='1'/>
+ <parameter type-id='5771c601' name='rproc' filepath='include/trace/hooks/remoteproc.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_rproc_recovery_set' mangled-name='__traceiter_android_vh_rproc_recovery_set' filepath='include/trace/hooks/remoteproc.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rproc_recovery_set'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/remoteproc.h' line='21' column='1'/>
+ <parameter type-id='5771c601' name='rproc' filepath='include/trace/hooks/remoteproc.h' line='21' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_rwsem_init' mangled-name='__traceiter_android_vh_rwsem_init' filepath='include/trace/hooks/rwsem.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_init'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/rwsem.h' line='15' column='1'/>
+ <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/rwsem.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_rwsem_wake' mangled-name='__traceiter_android_vh_rwsem_wake' filepath='include/trace/hooks/rwsem.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_wake'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/rwsem.h' line='18' column='1'/>
+ <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/rwsem.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_rwsem_wake_finish' mangled-name='__traceiter_android_vh_rwsem_wake_finish' filepath='include/trace/hooks/rwsem.h' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_wake_finish'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/rwsem.h' line='29' column='1'/>
+ <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/rwsem.h' line='29' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_rwsem_write_finished' mangled-name='__traceiter_android_vh_rwsem_write_finished' filepath='include/trace/hooks/rwsem.h' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_rwsem_write_finished'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/rwsem.h' line='21' column='1'/>
+ <parameter type-id='9b58df93' name='sem' filepath='include/trace/hooks/rwsem.h' line='21' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_save_track_hash' mangled-name='__traceiter_android_vh_save_track_hash' filepath='include/trace/hooks/mm.h' line='97' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_save_track_hash'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='97' column='1'/>
+ <parameter type-id='b50a4934' name='alloc' filepath='include/trace/hooks/mm.h' line='97' column='1'/>
+ <parameter type-id='7359adad' name='p' filepath='include/trace/hooks/mm.h' line='97' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_save_vmalloc_stack' mangled-name='__traceiter_android_vh_save_vmalloc_stack' filepath='include/trace/hooks/mm.h' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_save_vmalloc_stack'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='91' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='include/trace/hooks/mm.h' line='91' column='1'/>
+ <parameter type-id='d295dab2' name='vm' filepath='include/trace/hooks/mm.h' line='91' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_sched_setaffinity_early' mangled-name='__traceiter_android_vh_sched_setaffinity_early' filepath='include/trace/hooks/sched.h' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sched_setaffinity_early'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='318' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/hooks/sched.h' line='318' column='1'/>
+ <parameter type-id='5f8a1ac4' name='new_mask' filepath='include/trace/hooks/sched.h' line='318' column='1'/>
+ <parameter type-id='7292109c' name='retval' filepath='include/trace/hooks/sched.h' line='318' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_sched_stat_runtime_rt' mangled-name='__traceiter_android_vh_sched_stat_runtime_rt' filepath='include/trace/hooks/sched.h' line='361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sched_stat_runtime_rt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='361' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/sched.h' line='361' column='1'/>
+ <parameter type-id='91ce1af9' name='delta' filepath='include/trace/hooks/sched.h' line='361' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_scheduler_tick' mangled-name='__traceiter_android_vh_scheduler_tick' filepath='include/trace/hooks/sched.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_scheduler_tick'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='27' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/hooks/sched.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_scmi_timeout_sync' mangled-name='__traceiter_android_vh_scmi_timeout_sync' filepath='include/trace/hooks/scmi.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_scmi_timeout_sync'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/scmi.h' line='13' column='1'/>
+ <parameter type-id='7292109c' name='timeout' filepath='include/trace/hooks/scmi.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_sd_update_bus_speed_mode' mangled-name='__traceiter_android_vh_sd_update_bus_speed_mode' filepath='include/trace/hooks/mmc_core.h' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sd_update_bus_speed_mode'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='23' column='1'/>
+ <parameter type-id='13d38dcb' name='card' filepath='include/trace/hooks/mmc_core.h' line='23' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_sdhci_get_cd' mangled-name='__traceiter_android_vh_sdhci_get_cd' filepath='include/trace/hooks/mmc_core.h' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sdhci_get_cd'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mmc_core.h' line='29' column='1'/>
+ <parameter type-id='2661e0d9' name='host' filepath='include/trace/hooks/mmc_core.h' line='29' column='1'/>
+ <parameter type-id='d8e6b335' name='allow' filepath='include/trace/hooks/mmc_core.h' line='29' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_selinux_avc_insert' mangled-name='__traceiter_android_vh_selinux_avc_insert' filepath='include/trace/hooks/avc.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_selinux_avc_insert'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/avc.h' line='15' column='1'/>
+ <parameter type-id='6222d42d' name='node' filepath='include/trace/hooks/avc.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_selinux_avc_lookup' mangled-name='__traceiter_android_vh_selinux_avc_lookup' filepath='include/trace/hooks/avc.h' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_selinux_avc_lookup'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/avc.h' line='27' column='1'/>
+ <parameter type-id='6222d42d' name='node' filepath='include/trace/hooks/avc.h' line='27' column='1'/>
+ <parameter type-id='19c2251e' name='ssid' filepath='include/trace/hooks/avc.h' line='27' column='1'/>
+ <parameter type-id='19c2251e' name='tsid' filepath='include/trace/hooks/avc.h' line='27' column='1'/>
+ <parameter type-id='1dc6a898' name='tclass' filepath='include/trace/hooks/avc.h' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_selinux_avc_node_delete' mangled-name='__traceiter_android_vh_selinux_avc_node_delete' filepath='include/trace/hooks/avc.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_selinux_avc_node_delete'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/avc.h' line='19' column='1'/>
+ <parameter type-id='6222d42d' name='node' filepath='include/trace/hooks/avc.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_selinux_avc_node_replace' mangled-name='__traceiter_android_vh_selinux_avc_node_replace' filepath='include/trace/hooks/avc.h' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_selinux_avc_node_replace'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/avc.h' line='23' column='1'/>
+ <parameter type-id='6222d42d' name='old' filepath='include/trace/hooks/avc.h' line='23' column='1'/>
+ <parameter type-id='6222d42d' name='new' filepath='include/trace/hooks/avc.h' line='23' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_selinux_is_initialized' mangled-name='__traceiter_android_vh_selinux_is_initialized' filepath='include/trace/hooks/selinux.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_selinux_is_initialized'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/selinux.h' line='15' column='1'/>
+ <parameter type-id='3f97013a' name='state' filepath='include/trace/hooks/selinux.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_set_memory_nx' mangled-name='__traceiter_android_vh_set_memory_nx' filepath='include/trace/hooks/memory.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_set_memory_nx'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/memory.h' line='18' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/memory.h' line='18' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_pages' filepath='include/trace/hooks/memory.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_set_memory_ro' mangled-name='__traceiter_android_vh_set_memory_ro' filepath='include/trace/hooks/memory.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_set_memory_ro'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/memory.h' line='22' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/memory.h' line='22' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_pages' filepath='include/trace/hooks/memory.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_set_memory_rw' mangled-name='__traceiter_android_vh_set_memory_rw' filepath='include/trace/hooks/memory.h' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_set_memory_rw'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/memory.h' line='26' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/memory.h' line='26' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_pages' filepath='include/trace/hooks/memory.h' line='26' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_set_memory_x' mangled-name='__traceiter_android_vh_set_memory_x' filepath='include/trace/hooks/memory.h' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_set_memory_x'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/memory.h' line='14' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/memory.h' line='14' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_pages' filepath='include/trace/hooks/memory.h' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_set_module_permit_after_init' mangled-name='__traceiter_android_vh_set_module_permit_after_init' filepath='include/trace/hooks/module.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_set_module_permit_after_init'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/module.h' line='19' column='1'/>
+ <parameter type-id='efc8cc9a' name='mod' filepath='include/trace/hooks/module.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_set_module_permit_before_init' mangled-name='__traceiter_android_vh_set_module_permit_before_init' filepath='include/trace/hooks/module.h' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_set_module_permit_before_init'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/module.h' line='15' column='1'/>
+ <parameter type-id='efc8cc9a' name='mod' filepath='include/trace/hooks/module.h' line='15' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_set_wake_flags' mangled-name='__traceiter_android_vh_set_wake_flags' filepath='include/trace/hooks/sched.h' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_set_wake_flags'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='267' column='1'/>
+ <parameter type-id='7292109c' name='wake_flags' filepath='include/trace/hooks/sched.h' line='267' column='1'/>
+ <parameter type-id='807869d3' name='mode' filepath='include/trace/hooks/sched.h' line='267' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_setscheduler_uclamp' mangled-name='__traceiter_android_vh_setscheduler_uclamp' filepath='include/trace/hooks/sched.h' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_setscheduler_uclamp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+ <parameter type-id='95e97e5e' name='clamp_id' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+ <parameter type-id='f0981eeb' name='value' filepath='include/trace/hooks/sched.h' line='389' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_sha256' mangled-name='__traceiter_android_vh_sha256' filepath='include/trace/hooks/fips140.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sha256'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fips140.h' line='20' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='include/trace/hooks/fips140.h' line='20' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='include/trace/hooks/fips140.h' line='20' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='include/trace/hooks/fips140.h' line='20' column='1'/>
+ <parameter type-id='7292109c' name='hook_inuse' filepath='include/trace/hooks/fips140.h' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_show_max_freq' mangled-name='__traceiter_android_vh_show_max_freq' filepath='include/trace/hooks/cpufreq.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_show_max_freq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/cpufreq.h' line='18' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/hooks/cpufreq.h' line='18' column='1'/>
+ <parameter type-id='807869d3' name='max_freq' filepath='include/trace/hooks/cpufreq.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_show_mem' mangled-name='__traceiter_android_vh_show_mem' filepath='include/trace/hooks/mm.h' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_show_mem'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='68' column='1'/>
+ <parameter type-id='f0981eeb' name='filter' filepath='include/trace/hooks/mm.h' line='68' column='1'/>
+ <parameter type-id='f461c050' name='nodemask' filepath='include/trace/hooks/mm.h' line='68' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_show_resume_epoch_val' mangled-name='__traceiter_android_vh_show_resume_epoch_val' filepath='include/trace/hooks/epoch.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_show_resume_epoch_val'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/epoch.h' line='17' column='1'/>
+ <parameter type-id='91ce1af9' name='resume_cycles' filepath='include/trace/hooks/epoch.h' line='17' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_show_stack_hash' mangled-name='__traceiter_android_vh_show_stack_hash' filepath='include/trace/hooks/mm.h' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_show_stack_hash'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='94' column='1'/>
+ <parameter type-id='f8dc9def' name='m' filepath='include/trace/hooks/mm.h' line='94' column='1'/>
+ <parameter type-id='d295dab2' name='v' filepath='include/trace/hooks/mm.h' line='94' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_show_suspend_epoch_val' mangled-name='__traceiter_android_vh_show_suspend_epoch_val' filepath='include/trace/hooks/epoch.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_show_suspend_epoch_val'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/epoch.h' line='13' column='1'/>
+ <parameter type-id='91ce1af9' name='suspend_ns' filepath='include/trace/hooks/epoch.h' line='13' column='1'/>
+ <parameter type-id='91ce1af9' name='suspend_cycles' filepath='include/trace/hooks/epoch.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_shrink_slab_bypass' mangled-name='__traceiter_android_vh_shrink_slab_bypass' filepath='include/trace/hooks/vmscan.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_shrink_slab_bypass'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/vmscan.h' line='19' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='include/trace/hooks/vmscan.h' line='19' column='1'/>
+ <parameter type-id='95e97e5e' name='nid' filepath='include/trace/hooks/vmscan.h' line='19' column='1'/>
+ <parameter type-id='223696fb' name='memcg' filepath='include/trace/hooks/vmscan.h' line='19' column='1'/>
+ <parameter type-id='95e97e5e' name='priority' filepath='include/trace/hooks/vmscan.h' line='19' column='1'/>
+ <parameter type-id='d8e6b335' name='bypass' filepath='include/trace/hooks/vmscan.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_snd_compr_use_pause_in_drain' mangled-name='__traceiter_android_vh_snd_compr_use_pause_in_drain' filepath='include/trace/hooks/snd_compr.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_snd_compr_use_pause_in_drain'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/snd_compr.h' line='18' column='1'/>
+ <parameter type-id='d8e6b335' name='use_pause_in_drain' filepath='include/trace/hooks/snd_compr.h' line='18' column='1'/>
+ <parameter type-id='d8e6b335' name='leave_draining' filepath='include/trace/hooks/snd_compr.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_snd_soc_card_get_comp_chain' mangled-name='__traceiter_android_vh_snd_soc_card_get_comp_chain' filepath='include/trace/hooks/sound.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_snd_soc_card_get_comp_chain'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sound.h' line='18' column='1'/>
+ <parameter type-id='d8e6b335' name='component_chaining' filepath='include/trace/hooks/sound.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_sound_usb_support_cpu_suspend' mangled-name='__traceiter_android_vh_sound_usb_support_cpu_suspend' filepath='include/trace/hooks/sound.h' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sound_usb_support_cpu_suspend'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sound.h' line='12' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='include/trace/hooks/sound.h' line='12' column='1'/>
+ <parameter type-id='95e97e5e' name='direction' filepath='include/trace/hooks/sound.h' line='12' column='1'/>
+ <parameter type-id='d8e6b335' name='is_support' filepath='include/trace/hooks/sound.h' line='12' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_sync_txn_recvd' mangled-name='__traceiter_android_vh_sync_txn_recvd' filepath='include/trace/hooks/binder.h' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_sync_txn_recvd'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/binder.h' line='41' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/hooks/binder.h' line='41' column='1'/>
+ <parameter type-id='f23e2572' name='from' filepath='include/trace/hooks/binder.h' line='41' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_syscall_prctl_finished' mangled-name='__traceiter_android_vh_syscall_prctl_finished' filepath='include/trace/hooks/sys.h' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_syscall_prctl_finished'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/sys.h' line='12' column='1'/>
+ <parameter type-id='95e97e5e' name='option' filepath='include/trace/hooks/sys.h' line='12' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/hooks/sys.h' line='12' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_thermal_pm_notify_suspend' mangled-name='__traceiter_android_vh_thermal_pm_notify_suspend' filepath='include/trace/hooks/thermal.h' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_thermal_pm_notify_suspend'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/thermal.h' line='18' column='1'/>
+ <parameter type-id='404b1300' name='tz' filepath='include/trace/hooks/thermal.h' line='18' column='1'/>
+ <parameter type-id='7292109c' name='irq_wakeable' filepath='include/trace/hooks/thermal.h' line='18' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_timer_calc_index' mangled-name='__traceiter_android_vh_timer_calc_index' filepath='include/trace/hooks/timer.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_timer_calc_index'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/timer.h' line='13' column='1'/>
+ <parameter type-id='f0981eeb' name='lvl' filepath='include/trace/hooks/timer.h' line='13' column='1'/>
+ <parameter type-id='1d2c2b85' name='expires' filepath='include/trace/hooks/timer.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_timerfd_create' mangled-name='__traceiter_android_vh_timerfd_create' filepath='include/trace/hooks/fs.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_timerfd_create'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/fs.h' line='17' column='1'/>
+ <parameter type-id='26a90f95' name='name' filepath='include/trace/hooks/fs.h' line='17' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='include/trace/hooks/fs.h' line='17' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_try_to_unmap_one' mangled-name='__traceiter_android_vh_try_to_unmap_one' filepath='include/trace/hooks/mm.h' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_try_to_unmap_one'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/mm.h' line='126' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='include/trace/hooks/mm.h' line='126' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='include/trace/hooks/mm.h' line='126' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='include/trace/hooks/mm.h' line='126' column='1'/>
+ <parameter type-id='b50a4934' name='ret' filepath='include/trace/hooks/mm.h' line='126' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_tune_inactive_ratio' mangled-name='__traceiter_android_vh_tune_inactive_ratio' filepath='include/trace/hooks/vmscan.h' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_tune_inactive_ratio'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/vmscan.h' line='22' column='1'/>
+ <parameter type-id='1d2c2b85' name='inactive_ratio' filepath='include/trace/hooks/vmscan.h' line='22' column='1'/>
+ <parameter type-id='95e97e5e' name='file' filepath='include/trace/hooks/vmscan.h' line='22' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_tune_scan_type' mangled-name='__traceiter_android_vh_tune_scan_type' filepath='include/trace/hooks/vmscan.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_tune_scan_type'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/vmscan.h' line='13' column='1'/>
+ <parameter type-id='26a90f95' name='scan_type' filepath='include/trace/hooks/vmscan.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_tune_swappiness' mangled-name='__traceiter_android_vh_tune_swappiness' filepath='include/trace/hooks/vmscan.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_tune_swappiness'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/vmscan.h' line='16' column='1'/>
+ <parameter type-id='7292109c' name='swappiness' filepath='include/trace/hooks/vmscan.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_typec_store_partner_src_caps' mangled-name='__traceiter_android_vh_typec_store_partner_src_caps' filepath='include/trace/hooks/typec.h' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_store_partner_src_caps'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+ <parameter type-id='426e425b' name='port' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+ <parameter type-id='807869d3' name='nr_source_caps' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+ <parameter type-id='428e8d18' name='source_caps' filepath='include/trace/hooks/typec.h' line='51' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_typec_tcpci_override_toggling' mangled-name='__traceiter_android_vh_typec_tcpci_override_toggling' filepath='include/trace/hooks/typec.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpci_override_toggling'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+ <parameter type-id='eefe253e' name='tcpci' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+ <parameter type-id='b6733265' name='data' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+ <parameter type-id='7292109c' name='override_toggling' filepath='include/trace/hooks/typec.h' line='28' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_typec_tcpm_adj_current_limit' mangled-name='__traceiter_android_vh_typec_tcpm_adj_current_limit' filepath='include/trace/hooks/typec.h' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpm_adj_current_limit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='56' column='1'/>
+ <parameter type-id='80f4b756' name='state' filepath='include/trace/hooks/typec.h' line='56' column='1'/>
+ <parameter type-id='19c2251e' name='port_current_limit' filepath='include/trace/hooks/typec.h' line='56' column='1'/>
+ <parameter type-id='19c2251e' name='port_voltage' filepath='include/trace/hooks/typec.h' line='56' column='1'/>
+ <parameter type-id='b50a4934' name='pd_capable' filepath='include/trace/hooks/typec.h' line='56' column='1'/>
+ <parameter type-id='f9409001' name='current_limit' filepath='include/trace/hooks/typec.h' line='56' column='1'/>
+ <parameter type-id='d8e6b335' name='adjust' filepath='include/trace/hooks/typec.h' line='56' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_typec_tcpm_get_timer' mangled-name='__traceiter_android_vh_typec_tcpm_get_timer' filepath='include/trace/hooks/typec.h' line='47' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpm_get_timer'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+ <parameter type-id='80f4b756' name='state' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+ <parameter type-id='014ea5fb' name='timer' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+ <parameter type-id='807869d3' name='msecs' filepath='include/trace/hooks/typec.h' line='47' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_typec_tcpm_log' mangled-name='__traceiter_android_vh_typec_tcpm_log' filepath='include/trace/hooks/typec.h' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_typec_tcpm_log'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/typec.h' line='61' column='1'/>
+ <parameter type-id='80f4b756' name='log' filepath='include/trace/hooks/typec.h' line='61' column='1'/>
+ <parameter type-id='d8e6b335' name='bypass' filepath='include/trace/hooks/typec.h' line='61' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_check_int_errors' mangled-name='__traceiter_android_vh_ufs_check_int_errors' filepath='include/trace/hooks/ufshcd.h' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_check_int_errors'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='57' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='57' column='1'/>
+ <parameter type-id='b50a4934' name='queue_eh_work' filepath='include/trace/hooks/ufshcd.h' line='57' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_clock_scaling' mangled-name='__traceiter_android_vh_ufs_clock_scaling' filepath='include/trace/hooks/ufshcd.h' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_clock_scaling'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='66' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='66' column='1'/>
+ <parameter type-id='d8e6b335' name='force_out' filepath='include/trace/hooks/ufshcd.h' line='66' column='1'/>
+ <parameter type-id='d8e6b335' name='force_scaling' filepath='include/trace/hooks/ufshcd.h' line='66' column='1'/>
+ <parameter type-id='d8e6b335' name='scale_up' filepath='include/trace/hooks/ufshcd.h' line='66' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_compl_command' mangled-name='__traceiter_android_vh_ufs_compl_command' filepath='include/trace/hooks/ufshcd.h' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_compl_command'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='43' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='43' column='1'/>
+ <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='43' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_fill_prdt' mangled-name='__traceiter_android_vh_ufs_fill_prdt' filepath='include/trace/hooks/ufshcd.h' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_fill_prdt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='17' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='17' column='1'/>
+ <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='17' column='1'/>
+ <parameter type-id='f0981eeb' name='segments' filepath='include/trace/hooks/ufshcd.h' line='17' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/ufshcd.h' line='17' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_prepare_command' mangled-name='__traceiter_android_vh_ufs_prepare_command' filepath='include/trace/hooks/ufshcd.h' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_prepare_command'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='30' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='30' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='include/trace/hooks/ufshcd.h' line='30' column='1'/>
+ <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='30' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='include/trace/hooks/ufshcd.h' line='30' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_send_command' mangled-name='__traceiter_android_vh_ufs_send_command' filepath='include/trace/hooks/ufshcd.h' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_send_command'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='39' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='39' column='1'/>
+ <parameter type-id='6ca6fa6d' name='lrbp' filepath='include/trace/hooks/ufshcd.h' line='39' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_send_tm_command' mangled-name='__traceiter_android_vh_ufs_send_tm_command' filepath='include/trace/hooks/ufshcd.h' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_send_tm_command'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+ <parameter type-id='95e97e5e' name='tag' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='include/trace/hooks/ufshcd.h' line='53' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_send_uic_command' mangled-name='__traceiter_android_vh_ufs_send_uic_command' filepath='include/trace/hooks/ufshcd.h' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_send_uic_command'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+ <parameter type-id='cdf785b8' name='ucmd' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='include/trace/hooks/ufshcd.h' line='48' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_update_sdev' mangled-name='__traceiter_android_vh_ufs_update_sdev' filepath='include/trace/hooks/ufshcd.h' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_update_sdev'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='62' column='1'/>
+ <parameter type-id='eb572b74' name='sdev' filepath='include/trace/hooks/ufshcd.h' line='62' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_ufs_update_sysfs' mangled-name='__traceiter_android_vh_ufs_update_sysfs' filepath='include/trace/hooks/ufshcd.h' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_ufs_update_sysfs'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/ufshcd.h' line='35' column='1'/>
+ <parameter type-id='442b8d89' name='hba' filepath='include/trace/hooks/ufshcd.h' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_update_topology_flags_workfn' mangled-name='__traceiter_android_vh_update_topology_flags_workfn' filepath='include/trace/hooks/topology.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_update_topology_flags_workfn'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/topology.h' line='19' column='1'/>
+ <parameter type-id='eaa32e2f' name='unused' filepath='include/trace/hooks/topology.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_usb_dev_resume' mangled-name='__traceiter_android_vh_usb_dev_resume' filepath='include/trace/hooks/usb.h' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_usb_dev_resume'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/usb.h' line='20' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='include/trace/hooks/usb.h' line='20' column='1'/>
+ <parameter type-id='08496218' name='msg' filepath='include/trace/hooks/usb.h' line='20' column='1'/>
+ <parameter type-id='7292109c' name='bypass' filepath='include/trace/hooks/usb.h' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_usb_dev_suspend' mangled-name='__traceiter_android_vh_usb_dev_suspend' filepath='include/trace/hooks/usb.h' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_usb_dev_suspend'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/usb.h' line='16' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='include/trace/hooks/usb.h' line='16' column='1'/>
+ <parameter type-id='08496218' name='msg' filepath='include/trace/hooks/usb.h' line='16' column='1'/>
+ <parameter type-id='7292109c' name='bypass' filepath='include/trace/hooks/usb.h' line='16' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_v4l2subdev_set_fmt' mangled-name='__traceiter_android_vh_v4l2subdev_set_fmt' filepath='include/trace/hooks/v4l2core.h' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_v4l2subdev_set_fmt'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='36' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='include/trace/hooks/v4l2core.h' line='36' column='1'/>
+ <parameter type-id='288e890e' name='pad' filepath='include/trace/hooks/v4l2core.h' line='36' column='1'/>
+ <parameter type-id='cdea97c3' name='format' filepath='include/trace/hooks/v4l2core.h' line='36' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2core.h' line='36' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_v4l2subdev_set_frame_interval' mangled-name='__traceiter_android_vh_v4l2subdev_set_frame_interval' filepath='include/trace/hooks/v4l2core.h' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_v4l2subdev_set_frame_interval'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='42' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='include/trace/hooks/v4l2core.h' line='42' column='1'/>
+ <parameter type-id='75099793' name='fi' filepath='include/trace/hooks/v4l2core.h' line='42' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2core.h' line='42' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_android_vh_v4l2subdev_set_selection' mangled-name='__traceiter_android_vh_v4l2subdev_set_selection' filepath='include/trace/hooks/v4l2core.h' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_android_vh_v4l2subdev_set_selection'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/hooks/v4l2core.h' line='30' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='include/trace/hooks/v4l2core.h' line='30' column='1'/>
+ <parameter type-id='288e890e' name='pad' filepath='include/trace/hooks/v4l2core.h' line='30' column='1'/>
+ <parameter type-id='498944b4' name='sel' filepath='include/trace/hooks/v4l2core.h' line='30' column='1'/>
+ <parameter type-id='7292109c' name='ret' filepath='include/trace/hooks/v4l2core.h' line='30' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_binder_transaction_received' mangled-name='__traceiter_binder_transaction_received' filepath='drivers/android/./binder_trace.h' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_binder_transaction_received'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/android/./binder_trace.h' line='150' column='1'/>
+ <parameter type-id='f4c3bb4c' name='t' filepath='drivers/android/./binder_trace.h' line='150' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_bio_complete' mangled-name='__traceiter_block_bio_complete' filepath='include/trace/events/block.h' line='276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_bio_complete'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='276' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='276' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='include/trace/events/block.h' line='276' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_bio_queue' mangled-name='__traceiter_block_bio_queue' filepath='include/trace/events/block.h' line='371' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_bio_queue'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='371' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='371' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='include/trace/events/block.h' line='371' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_getrq' mangled-name='__traceiter_block_getrq' filepath='include/trace/events/block.h' line='437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_getrq'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='437' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='437' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='include/trace/events/block.h' line='437' column='1'/>
+ <parameter type-id='95e97e5e' name='rw' filepath='include/trace/events/block.h' line='437' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_rq_complete' mangled-name='__traceiter_block_rq_complete' filepath='include/trace/events/block.h' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_rq_complete'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='116' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='include/trace/events/block.h' line='116' column='1'/>
+ <parameter type-id='95e97e5e' name='error' filepath='include/trace/events/block.h' line='116' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_bytes' filepath='include/trace/events/block.h' line='116' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_rq_insert' mangled-name='__traceiter_block_rq_insert' filepath='include/trace/events/block.h' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_rq_insert'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='192' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='192' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='include/trace/events/block.h' line='192' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_rq_issue' mangled-name='__traceiter_block_rq_issue' filepath='include/trace/events/block.h' line='207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_rq_issue'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='207' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='207' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='include/trace/events/block.h' line='207' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_rq_merge' mangled-name='__traceiter_block_rq_merge' filepath='include/trace/events/block.h' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_rq_merge'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='222' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='222' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='include/trace/events/block.h' line='222' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_rq_requeue' mangled-name='__traceiter_block_rq_requeue' filepath='include/trace/events/block.h' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_rq_requeue'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='74' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='74' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='include/trace/events/block.h' line='74' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_block_split' mangled-name='__traceiter_block_split' filepath='include/trace/events/block.h' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_block_split'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/block.h' line='533' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='include/trace/events/block.h' line='533' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='include/trace/events/block.h' line='533' column='1'/>
+ <parameter type-id='f0981eeb' name='new_sector' filepath='include/trace/events/block.h' line='533' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_clock_set_rate' mangled-name='__traceiter_clock_set_rate' filepath='include/trace/events/power.h' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_clock_set_rate'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='322' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='include/trace/events/power.h' line='322' column='1'/>
+ <parameter type-id='f0981eeb' name='state' filepath='include/trace/events/power.h' line='322' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu_id' filepath='include/trace/events/power.h' line='322' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_cpu_frequency' mangled-name='__traceiter_cpu_frequency' filepath='include/trace/events/power.h' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_cpu_frequency'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='145' column='1'/>
+ <parameter type-id='f0981eeb' name='frequency' filepath='include/trace/events/power.h' line='145' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu_id' filepath='include/trace/events/power.h' line='145' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_cpu_frequency_limits' mangled-name='__traceiter_cpu_frequency_limits' filepath='include/trace/events/power.h' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_cpu_frequency_limits'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='152' column='1'/>
+ <parameter type-id='343c3ae4' name='policy' filepath='include/trace/events/power.h' line='152' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_cpu_idle' mangled-name='__traceiter_cpu_idle' filepath='include/trace/events/power.h' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_cpu_idle'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='36' column='1'/>
+ <parameter type-id='f0981eeb' name='state' filepath='include/trace/events/power.h' line='36' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu_id' filepath='include/trace/events/power.h' line='36' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_device_pm_callback_end' mangled-name='__traceiter_device_pm_callback_end' filepath='include/trace/events/power.h' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_device_pm_callback_end'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='204' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='include/trace/events/power.h' line='204' column='1'/>
+ <parameter type-id='95e97e5e' name='error' filepath='include/trace/events/power.h' line='204' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_device_pm_callback_start' mangled-name='__traceiter_device_pm_callback_start' filepath='include/trace/events/power.h' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_device_pm_callback_start'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='176' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='include/trace/events/power.h' line='176' column='1'/>
+ <parameter type-id='80f4b756' name='pm_ops' filepath='include/trace/events/power.h' line='176' column='1'/>
+ <parameter type-id='95e97e5e' name='event' filepath='include/trace/events/power.h' line='176' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_dma_fence_emit' mangled-name='__traceiter_dma_fence_emit' filepath='include/trace/events/dma_fence.h' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dma_fence_emit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/dma_fence.h' line='37' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='include/trace/events/dma_fence.h' line='37' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_dwc3_complete_trb' mangled-name='__traceiter_dwc3_complete_trb' filepath='drivers/usb/dwc3/./trace.h' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_complete_trb'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='285' column='1'/>
+ <parameter type-id='b31af340' name='dep' filepath='drivers/usb/dwc3/./trace.h' line='285' column='1'/>
+ <parameter type-id='0d6a59e1' name='trb' filepath='drivers/usb/dwc3/./trace.h' line='285' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_dwc3_ctrl_req' mangled-name='__traceiter_dwc3_ctrl_req' filepath='drivers/usb/dwc3/./trace.h' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_ctrl_req'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='96' column='1'/>
+ <parameter type-id='016d41e2' name='ctrl' filepath='drivers/usb/dwc3/./trace.h' line='96' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_dwc3_ep_queue' mangled-name='__traceiter_dwc3_ep_queue' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_ep_queue'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1'/>
+ <parameter type-id='952cef4e' name='req' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_dwc3_event' mangled-name='__traceiter_dwc3_event' filepath='drivers/usb/dwc3/./trace.h' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_event'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='66' column='1'/>
+ <parameter type-id='19c2251e' name='event' filepath='drivers/usb/dwc3/./trace.h' line='66' column='1'/>
+ <parameter type-id='5ac4ba20' name='dwc' filepath='drivers/usb/dwc3/./trace.h' line='66' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_dwc3_readl' mangled-name='__traceiter_dwc3_readl' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_readl'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+ <parameter type-id='eaa32e2f' name='base' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+ <parameter type-id='19c2251e' name='offset' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+ <parameter type-id='19c2251e' name='value' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_dwc3_writel' mangled-name='__traceiter_dwc3_writel' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_dwc3_writel'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+ <parameter type-id='eaa32e2f' name='base' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+ <parameter type-id='19c2251e' name='offset' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+ <parameter type-id='19c2251e' name='value' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_gpu_mem_total' mangled-name='__traceiter_gpu_mem_total' filepath='include/trace/events/gpu_mem.h' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_gpu_mem_total'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+ <parameter type-id='8f92235e' name='gpu_id' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+ <parameter type-id='8f92235e' name='pid' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+ <parameter type-id='9c313c2d' name='size' filepath='include/trace/events/gpu_mem.h' line='30' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_hrtimer_expire_entry' mangled-name='__traceiter_hrtimer_expire_entry' filepath='include/trace/events/timer.h' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_hrtimer_expire_entry'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/timer.h' line='232' column='1'/>
+ <parameter type-id='08c8d0fa' name='hrtimer' filepath='include/trace/events/timer.h' line='232' column='1'/>
+ <parameter type-id='44372936' name='now' filepath='include/trace/events/timer.h' line='232' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_hrtimer_expire_exit' mangled-name='__traceiter_hrtimer_expire_exit' filepath='include/trace/events/timer.h' line='279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_hrtimer_expire_exit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/timer.h' line='279' column='1'/>
+ <parameter type-id='08c8d0fa' name='hrtimer' filepath='include/trace/events/timer.h' line='279' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_ipi_entry' mangled-name='__traceiter_ipi_entry' filepath='include/trace/events/ipi.h' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_ipi_entry'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/ipi.h' line='64' column='1'/>
+ <parameter type-id='80f4b756' name='reason' filepath='include/trace/events/ipi.h' line='64' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_ipi_exit' mangled-name='__traceiter_ipi_exit' filepath='include/trace/events/ipi.h' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_ipi_exit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/ipi.h' line='80' column='1'/>
+ <parameter type-id='80f4b756' name='reason' filepath='include/trace/events/ipi.h' line='80' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_ipi_raise' mangled-name='__traceiter_ipi_raise' filepath='include/trace/events/ipi.h' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_ipi_raise'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/ipi.h' line='19' column='1'/>
+ <parameter type-id='5f8a1ac4' name='mask' filepath='include/trace/events/ipi.h' line='19' column='1'/>
+ <parameter type-id='80f4b756' name='reason' filepath='include/trace/events/ipi.h' line='19' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_irq_handler_entry' mangled-name='__traceiter_irq_handler_entry' filepath='include/trace/events/irq.h' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_irq_handler_entry'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/irq.h' line='53' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='include/trace/events/irq.h' line='53' column='1'/>
+ <parameter type-id='ba361e53' name='action' filepath='include/trace/events/irq.h' line='53' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_irq_handler_exit' mangled-name='__traceiter_irq_handler_exit' filepath='include/trace/events/irq.h' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_irq_handler_exit'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/irq.h' line='83' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='include/trace/events/irq.h' line='83' column='1'/>
+ <parameter type-id='ba361e53' name='action' filepath='include/trace/events/irq.h' line='83' column='1'/>
+ <parameter type-id='95e97e5e' name='ret' filepath='include/trace/events/irq.h' line='83' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_mm_vmscan_direct_reclaim_begin' mangled-name='__traceiter_mm_vmscan_direct_reclaim_begin' filepath='include/trace/events/vmscan.h' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_mm_vmscan_direct_reclaim_begin'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/vmscan.h' line='122' column='1'/>
+ <parameter type-id='95e97e5e' name='order' filepath='include/trace/events/vmscan.h' line='122' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_flags' filepath='include/trace/events/vmscan.h' line='122' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_mm_vmscan_direct_reclaim_end' mangled-name='__traceiter_mm_vmscan_direct_reclaim_end' filepath='include/trace/events/vmscan.h' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_mm_vmscan_direct_reclaim_end'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/vmscan.h' line='162' column='1'/>
+ <parameter type-id='7359adad' name='nr_reclaimed' filepath='include/trace/events/vmscan.h' line='162' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_pelt_cfs_tp' mangled-name='__traceiter_pelt_cfs_tp' filepath='include/trace/events/sched.h' line='636' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_cfs_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='636' column='1'/>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/events/sched.h' line='636' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_pelt_dl_tp' mangled-name='__traceiter_pelt_dl_tp' filepath='include/trace/events/sched.h' line='644' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_dl_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='644' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='644' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_pelt_irq_tp' mangled-name='__traceiter_pelt_irq_tp' filepath='include/trace/events/sched.h' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_irq_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='652' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='652' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_pelt_rt_tp' mangled-name='__traceiter_pelt_rt_tp' filepath='include/trace/events/sched.h' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_rt_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='640' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='640' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_pelt_se_tp' mangled-name='__traceiter_pelt_se_tp' filepath='include/trace/events/sched.h' line='656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_pelt_se_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='656' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/events/sched.h' line='656' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_rwmmio_post_read' mangled-name='__traceiter_rwmmio_post_read' filepath='include/trace/events/rwmmio.h' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_rwmmio_post_read'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+ <parameter type-id='7359adad' name='fn' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+ <parameter type-id='91ce1af9' name='val' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+ <parameter type-id='60f8eab0' name='addr' filepath='include/trace/events/rwmmio.h' line='59' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_rwmmio_read' mangled-name='__traceiter_rwmmio_read' filepath='include/trace/events/rwmmio.h' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_rwmmio_read'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+ <parameter type-id='7359adad' name='fn' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+ <parameter type-id='60f8eab0' name='addr' filepath='include/trace/events/rwmmio.h' line='37' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_rwmmio_write' mangled-name='__traceiter_rwmmio_write' filepath='include/trace/events/rwmmio.h' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_rwmmio_write'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+ <parameter type-id='7359adad' name='fn' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+ <parameter type-id='91ce1af9' name='val' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+ <parameter type-id='fe09dd29' name='addr' filepath='include/trace/events/rwmmio.h' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_cpu_capacity_tp' mangled-name='__traceiter_sched_cpu_capacity_tp' filepath='include/trace/events/sched.h' line='660' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_cpu_capacity_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='660' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='660' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_overutilized_tp' mangled-name='__traceiter_sched_overutilized_tp' filepath='include/trace/events/sched.h' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_overutilized_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='664' column='1'/>
+ <parameter type-id='c13bca88' name='rd' filepath='include/trace/events/sched.h' line='664' column='1'/>
+ <parameter type-id='b50a4934' name='overutilized' filepath='include/trace/events/sched.h' line='664' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_stat_blocked' mangled-name='__traceiter_sched_stat_blocked' filepath='include/trace/events/sched.h' line='404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_stat_blocked'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='404' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/events/sched.h' line='404' column='1'/>
+ <parameter type-id='91ce1af9' name='delay' filepath='include/trace/events/sched.h' line='404' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_stat_iowait' mangled-name='__traceiter_sched_stat_iowait' filepath='include/trace/events/sched.h' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_stat_iowait'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='397' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/events/sched.h' line='397' column='1'/>
+ <parameter type-id='91ce1af9' name='delay' filepath='include/trace/events/sched.h' line='397' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_stat_runtime' mangled-name='__traceiter_sched_stat_runtime' filepath='include/trace/events/sched.h' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_stat_runtime'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='462' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/events/sched.h' line='462' column='1'/>
+ <parameter type-id='91ce1af9' name='runtime' filepath='include/trace/events/sched.h' line='462' column='1'/>
+ <parameter type-id='91ce1af9' name='vruntime' filepath='include/trace/events/sched.h' line='462' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_stat_sleep' mangled-name='__traceiter_sched_stat_sleep' filepath='include/trace/events/sched.h' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_stat_sleep'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='389' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/events/sched.h' line='389' column='1'/>
+ <parameter type-id='91ce1af9' name='delay' filepath='include/trace/events/sched.h' line='389' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_stat_wait' mangled-name='__traceiter_sched_stat_wait' filepath='include/trace/events/sched.h' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_stat_wait'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='381' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='include/trace/events/sched.h' line='381' column='1'/>
+ <parameter type-id='91ce1af9' name='delay' filepath='include/trace/events/sched.h' line='381' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_switch' mangled-name='__traceiter_sched_switch' filepath='include/trace/events/sched.h' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_switch'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='138' column='1'/>
+ <parameter type-id='b50a4934' name='preempt' filepath='include/trace/events/sched.h' line='138' column='1'/>
+ <parameter type-id='f23e2572' name='prev' filepath='include/trace/events/sched.h' line='138' column='1'/>
+ <parameter type-id='f23e2572' name='next' filepath='include/trace/events/sched.h' line='138' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_update_nr_running_tp' mangled-name='__traceiter_sched_update_nr_running_tp' filepath='include/trace/events/sched.h' line='676' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_update_nr_running_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='676' column='1'/>
+ <parameter type-id='6ed6b432' name='rq' filepath='include/trace/events/sched.h' line='676' column='1'/>
+ <parameter type-id='95e97e5e' name='change' filepath='include/trace/events/sched.h' line='676' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_util_est_cfs_tp' mangled-name='__traceiter_sched_util_est_cfs_tp' filepath='include/trace/events/sched.h' line='668' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_util_est_cfs_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='668' column='1'/>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='include/trace/events/sched.h' line='668' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_util_est_se_tp' mangled-name='__traceiter_sched_util_est_se_tp' filepath='include/trace/events/sched.h' line='672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_util_est_se_tp'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='672' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='include/trace/events/sched.h' line='672' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_sched_waking' mangled-name='__traceiter_sched_waking' filepath='include/trace/events/sched.h' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_sched_waking'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/sched.h' line='88' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='include/trace/events/sched.h' line='88' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_suspend_resume' mangled-name='__traceiter_suspend_resume' filepath='include/trace/events/power.h' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_suspend_resume'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/power.h' line='226' column='1'/>
+ <parameter type-id='80f4b756' name='action' filepath='include/trace/events/power.h' line='226' column='1'/>
+ <parameter type-id='95e97e5e' name='val' filepath='include/trace/events/power.h' line='226' column='1'/>
+ <parameter type-id='b50a4934' name='start' filepath='include/trace/events/power.h' line='226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_task_newtask' mangled-name='__traceiter_task_newtask' filepath='include/trace/events/task.h' line='9' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_task_newtask'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/task.h' line='9' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/events/task.h' line='9' column='1'/>
+ <parameter type-id='7359adad' name='clone_flags' filepath='include/trace/events/task.h' line='9' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_task_rename' mangled-name='__traceiter_task_rename' filepath='include/trace/events/task.h' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_task_rename'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/task.h' line='34' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='include/trace/events/task.h' line='34' column='1'/>
+ <parameter type-id='80f4b756' name='comm' filepath='include/trace/events/task.h' line='34' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_usb_gadget_connect' mangled-name='__traceiter_usb_gadget_connect' filepath='drivers/usb/gadget/udc/./trace.h' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_usb_gadget_connect'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/gadget/udc/./trace.h' line='119' column='1'/>
+ <parameter type-id='49a58c0c' name='g' filepath='drivers/usb/gadget/udc/./trace.h' line='119' column='1'/>
+ <parameter type-id='95e97e5e' name='ret' filepath='drivers/usb/gadget/udc/./trace.h' line='119' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_usb_gadget_disconnect' mangled-name='__traceiter_usb_gadget_disconnect' filepath='drivers/usb/gadget/udc/./trace.h' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_usb_gadget_disconnect'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/gadget/udc/./trace.h' line='124' column='1'/>
+ <parameter type-id='49a58c0c' name='g' filepath='drivers/usb/gadget/udc/./trace.h' line='124' column='1'/>
+ <parameter type-id='95e97e5e' name='ret' filepath='drivers/usb/gadget/udc/./trace.h' line='124' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_workqueue_execute_end' mangled-name='__traceiter_workqueue_execute_end' filepath='include/trace/events/workqueue.h' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_workqueue_execute_end'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/workqueue.h' line='108' column='1'/>
+ <parameter type-id='83c1bde6' name='work' filepath='include/trace/events/workqueue.h' line='108' column='1'/>
+ <parameter type-id='72666d3f' name='function' filepath='include/trace/events/workqueue.h' line='108' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_workqueue_execute_start' mangled-name='__traceiter_workqueue_execute_start' filepath='include/trace/events/workqueue.h' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_workqueue_execute_start'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/workqueue.h' line='82' column='1'/>
+ <parameter type-id='83c1bde6' name='work' filepath='include/trace/events/workqueue.h' line='82' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_xdp_exception' mangled-name='__traceiter_xdp_exception' filepath='include/trace/events/xdp.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_xdp_exception'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+ <parameter type-id='2ce52478' name='dev' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+ <parameter type-id='18145275' name='xdp' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+ <parameter type-id='19c2251e' name='act' filepath='include/trace/events/xdp.h' line='28' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__traceiter_xhci_urb_giveback' mangled-name='__traceiter_xhci_urb_giveback' filepath='drivers/usb/host/./xhci-trace.h' line='307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__traceiter_xhci_urb_giveback'>
+ <parameter type-id='eaa32e2f' name='__data' filepath='drivers/usb/host/./xhci-trace.h' line='307' column='1'/>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/host/./xhci-trace.h' line='307' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='__tracepoint_android_rvh_account_irq' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_account_irq' visibility='default' filepath='include/trace/hooks/sched.h' line='177' column='1' elf-symbol-id='__tracepoint_android_rvh_account_irq'/>
+ <var-decl name='__tracepoint_android_rvh_after_dequeue_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_after_dequeue_task' visibility='default' filepath='include/trace/hooks/sched.h' line='330' column='1' elf-symbol-id='__tracepoint_android_rvh_after_dequeue_task'/>
+ <var-decl name='__tracepoint_android_rvh_after_enqueue_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_after_enqueue_task' visibility='default' filepath='include/trace/hooks/sched.h' line='326' column='1' elf-symbol-id='__tracepoint_android_rvh_after_enqueue_task'/>
+ <var-decl name='__tracepoint_android_rvh_arm64_serror_panic' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_arm64_serror_panic' visibility='default' filepath='include/trace/hooks/traps.h' line='34' column='1' elf-symbol-id='__tracepoint_android_rvh_arm64_serror_panic'/>
+ <var-decl name='__tracepoint_android_rvh_bad_mode' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_bad_mode' visibility='default' filepath='include/trace/hooks/traps.h' line='30' column='1' elf-symbol-id='__tracepoint_android_rvh_bad_mode'/>
+ <var-decl name='__tracepoint_android_rvh_binder_transaction' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_binder_transaction' visibility='default' filepath='include/trace/hooks/binder.h' line='55' column='1' elf-symbol-id='__tracepoint_android_rvh_binder_transaction'/>
+ <var-decl name='__tracepoint_android_rvh_build_perf_domains' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_build_perf_domains' visibility='default' filepath='include/trace/hooks/sched.h' line='186' column='1' elf-symbol-id='__tracepoint_android_rvh_build_perf_domains'/>
+ <var-decl name='__tracepoint_android_rvh_can_migrate_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_can_migrate_task' visibility='default' filepath='include/trace/hooks/sched.h' line='39' column='1' elf-symbol-id='__tracepoint_android_rvh_can_migrate_task'/>
+ <var-decl name='__tracepoint_android_rvh_cgroup_force_kthread_migration' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cgroup_force_kthread_migration' visibility='default' filepath='include/trace/hooks/cgroup.h' line='18' column='1' elf-symbol-id='__tracepoint_android_rvh_cgroup_force_kthread_migration'/>
+ <var-decl name='__tracepoint_android_rvh_check_preempt_tick' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_check_preempt_tick' visibility='default' filepath='include/trace/hooks/sched.h' line='281' column='1' elf-symbol-id='__tracepoint_android_rvh_check_preempt_tick'/>
+ <var-decl name='__tracepoint_android_rvh_check_preempt_wakeup' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_check_preempt_wakeup' visibility='default' filepath='include/trace/hooks/sched.h' line='256' column='1' elf-symbol-id='__tracepoint_android_rvh_check_preempt_wakeup'/>
+ <var-decl name='__tracepoint_android_rvh_cpu_cgroup_attach' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpu_cgroup_attach' visibility='default' filepath='include/trace/hooks/sched.h' line='199' column='1' elf-symbol-id='__tracepoint_android_rvh_cpu_cgroup_attach'/>
+ <var-decl name='__tracepoint_android_rvh_cpu_cgroup_can_attach' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpu_cgroup_can_attach' visibility='default' filepath='include/trace/hooks/sched.h' line='203' column='1' elf-symbol-id='__tracepoint_android_rvh_cpu_cgroup_can_attach'/>
+ <var-decl name='__tracepoint_android_rvh_cpu_cgroup_online' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpu_cgroup_online' visibility='default' filepath='include/trace/hooks/sched.h' line='208' column='1' elf-symbol-id='__tracepoint_android_rvh_cpu_cgroup_online'/>
+ <var-decl name='__tracepoint_android_rvh_cpu_overutilized' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpu_overutilized' visibility='default' filepath='include/trace/hooks/sched.h' line='120' column='1' elf-symbol-id='__tracepoint_android_rvh_cpu_overutilized'/>
+ <var-decl name='__tracepoint_android_rvh_cpufreq_transition' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpufreq_transition' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='31' column='1' elf-symbol-id='__tracepoint_android_rvh_cpufreq_transition'/>
+ <var-decl name='__tracepoint_android_rvh_cpuset_fork' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_cpuset_fork' visibility='default' filepath='include/trace/hooks/cgroup.h' line='15' column='1' elf-symbol-id='__tracepoint_android_rvh_cpuset_fork'/>
+ <var-decl name='__tracepoint_android_rvh_dequeue_entity' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_dequeue_entity' visibility='default' filepath='include/trace/hooks/sched.h' line='341' column='1' elf-symbol-id='__tracepoint_android_rvh_dequeue_entity'/>
+ <var-decl name='__tracepoint_android_rvh_dequeue_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_dequeue_task' visibility='default' filepath='include/trace/hooks/sched.h' line='35' column='1' elf-symbol-id='__tracepoint_android_rvh_dequeue_task'/>
+ <var-decl name='__tracepoint_android_rvh_dequeue_task_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_dequeue_task_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='353' column='1' elf-symbol-id='__tracepoint_android_rvh_dequeue_task_fair'/>
+ <var-decl name='__tracepoint_android_rvh_dequeue_task_idle' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_dequeue_task_idle' visibility='default' filepath='include/trace/hooks/sched.h' line='246' column='1' elf-symbol-id='__tracepoint_android_rvh_dequeue_task_idle'/>
+ <var-decl name='__tracepoint_android_rvh_die_kernel_fault' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_die_kernel_fault' visibility='default' filepath='include/trace/hooks/fault.h' line='15' column='1' elf-symbol-id='__tracepoint_android_rvh_die_kernel_fault'/>
+ <var-decl name='__tracepoint_android_rvh_do_mem_abort' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_mem_abort' visibility='default' filepath='include/trace/hooks/fault.h' line='23' column='1' elf-symbol-id='__tracepoint_android_rvh_do_mem_abort'/>
+ <var-decl name='__tracepoint_android_rvh_do_sched_yield' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_sched_yield' visibility='default' filepath='include/trace/hooks/sched.h' line='294' column='1' elf-symbol-id='__tracepoint_android_rvh_do_sched_yield'/>
+ <var-decl name='__tracepoint_android_rvh_do_sea' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_sea' visibility='default' filepath='include/trace/hooks/fault.h' line='19' column='1' elf-symbol-id='__tracepoint_android_rvh_do_sea'/>
+ <var-decl name='__tracepoint_android_rvh_do_sp_pc_abort' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_sp_pc_abort' visibility='default' filepath='include/trace/hooks/fault.h' line='27' column='1' elf-symbol-id='__tracepoint_android_rvh_do_sp_pc_abort'/>
+ <var-decl name='__tracepoint_android_rvh_do_undefinstr' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_do_undefinstr' visibility='default' filepath='include/trace/hooks/traps.h' line='15' column='1' elf-symbol-id='__tracepoint_android_rvh_do_undefinstr'/>
+ <var-decl name='__tracepoint_android_rvh_enqueue_entity' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_enqueue_entity' visibility='default' filepath='include/trace/hooks/sched.h' line='337' column='1' elf-symbol-id='__tracepoint_android_rvh_enqueue_entity'/>
+ <var-decl name='__tracepoint_android_rvh_enqueue_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_enqueue_task' visibility='default' filepath='include/trace/hooks/sched.h' line='31' column='1' elf-symbol-id='__tracepoint_android_rvh_enqueue_task'/>
+ <var-decl name='__tracepoint_android_rvh_enqueue_task_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_enqueue_task_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='349' column='1' elf-symbol-id='__tracepoint_android_rvh_enqueue_task_fair'/>
+ <var-decl name='__tracepoint_android_rvh_find_busiest_group' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_busiest_group' visibility='default' filepath='include/trace/hooks/sched.h' line='69' column='1' elf-symbol-id='__tracepoint_android_rvh_find_busiest_group'/>
+ <var-decl name='__tracepoint_android_rvh_find_busiest_queue' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_busiest_queue' visibility='default' filepath='include/trace/hooks/sched.h' line='96' column='1' elf-symbol-id='__tracepoint_android_rvh_find_busiest_queue'/>
+ <var-decl name='__tracepoint_android_rvh_find_energy_efficient_cpu' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_energy_efficient_cpu' visibility='default' filepath='include/trace/hooks/sched.h' line='112' column='1' elf-symbol-id='__tracepoint_android_rvh_find_energy_efficient_cpu'/>
+ <var-decl name='__tracepoint_android_rvh_find_lowest_rq' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_lowest_rq' visibility='default' filepath='include/trace/hooks/sched.h' line='43' column='1' elf-symbol-id='__tracepoint_android_rvh_find_lowest_rq'/>
+ <var-decl name='__tracepoint_android_rvh_find_new_ilb' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_find_new_ilb' visibility='default' filepath='include/trace/hooks/sched.h' line='377' column='1' elf-symbol-id='__tracepoint_android_rvh_find_new_ilb'/>
+ <var-decl name='__tracepoint_android_rvh_finish_prio_fork' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_finish_prio_fork' visibility='default' filepath='include/trace/hooks/sched.h' line='52' column='1' elf-symbol-id='__tracepoint_android_rvh_finish_prio_fork'/>
+ <var-decl name='__tracepoint_android_rvh_flush_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_flush_task' visibility='default' filepath='include/trace/hooks/sched.h' line='157' column='1' elf-symbol-id='__tracepoint_android_rvh_flush_task'/>
+ <var-decl name='__tracepoint_android_rvh_force_compatible_post' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_force_compatible_post' visibility='default' filepath='include/trace/hooks/sched.h' line='385' column='1' elf-symbol-id='__tracepoint_android_rvh_force_compatible_post'/>
+ <var-decl name='__tracepoint_android_rvh_force_compatible_pre' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_force_compatible_pre' visibility='default' filepath='include/trace/hooks/sched.h' line='381' column='1' elf-symbol-id='__tracepoint_android_rvh_force_compatible_pre'/>
+ <var-decl name='__tracepoint_android_rvh_gic_v3_set_affinity' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_gic_v3_set_affinity' visibility='default' filepath='include/trace/hooks/gic_v3.h' line='18' column='1' elf-symbol-id='__tracepoint_android_rvh_gic_v3_set_affinity'/>
+ <var-decl name='__tracepoint_android_rvh_irqs_disable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_irqs_disable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='22' column='1' elf-symbol-id='__tracepoint_android_rvh_irqs_disable'/>
+ <var-decl name='__tracepoint_android_rvh_irqs_enable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_irqs_enable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='26' column='1' elf-symbol-id='__tracepoint_android_rvh_irqs_enable'/>
+ <var-decl name='__tracepoint_android_rvh_media_device_setup_link' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_media_device_setup_link' visibility='default' filepath='include/trace/hooks/v4l2mc.h' line='19' column='1' elf-symbol-id='__tracepoint_android_rvh_media_device_setup_link'/>
+ <var-decl name='__tracepoint_android_rvh_migrate_queued_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_migrate_queued_task' visibility='default' filepath='include/trace/hooks/sched.h' line='102' column='1' elf-symbol-id='__tracepoint_android_rvh_migrate_queued_task'/>
+ <var-decl name='__tracepoint_android_rvh_new_task_stats' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_new_task_stats' visibility='default' filepath='include/trace/hooks/sched.h' line='153' column='1' elf-symbol-id='__tracepoint_android_rvh_new_task_stats'/>
+ <var-decl name='__tracepoint_android_rvh_pci_d3_sleep' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_pci_d3_sleep' visibility='default' filepath='include/trace/hooks/pci.h' line='15' column='1' elf-symbol-id='__tracepoint_android_rvh_pci_d3_sleep'/>
+ <var-decl name='__tracepoint_android_rvh_pick_next_entity' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_pick_next_entity' visibility='default' filepath='include/trace/hooks/sched.h' line='251' column='1' elf-symbol-id='__tracepoint_android_rvh_pick_next_entity'/>
+ <var-decl name='__tracepoint_android_rvh_place_entity' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_place_entity' visibility='default' filepath='include/trace/hooks/sched.h' line='182' column='1' elf-symbol-id='__tracepoint_android_rvh_place_entity'/>
+ <var-decl name='__tracepoint_android_rvh_post_init_entity_util_avg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_post_init_entity_util_avg' visibility='default' filepath='include/trace/hooks/sched.h' line='310' column='1' elf-symbol-id='__tracepoint_android_rvh_post_init_entity_util_avg'/>
+ <var-decl name='__tracepoint_android_rvh_preempt_disable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_preempt_disable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='14' column='1' elf-symbol-id='__tracepoint_android_rvh_preempt_disable'/>
+ <var-decl name='__tracepoint_android_rvh_preempt_enable' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_preempt_enable' visibility='default' filepath='include/trace/hooks/preemptirq.h' line='18' column='1' elf-symbol-id='__tracepoint_android_rvh_preempt_enable'/>
+ <var-decl name='__tracepoint_android_rvh_prepare_prio_fork' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_prepare_prio_fork' visibility='default' filepath='include/trace/hooks/sched.h' line='48' column='1' elf-symbol-id='__tracepoint_android_rvh_prepare_prio_fork'/>
+ <var-decl name='__tracepoint_android_rvh_refrigerator' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_refrigerator' visibility='default' filepath='include/trace/hooks/cgroup.h' line='21' column='1' elf-symbol-id='__tracepoint_android_rvh_refrigerator'/>
+ <var-decl name='__tracepoint_android_rvh_replace_next_task_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_replace_next_task_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='289' column='1' elf-symbol-id='__tracepoint_android_rvh_replace_next_task_fair'/>
+ <var-decl name='__tracepoint_android_rvh_report_bug' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_report_bug' visibility='default' filepath='include/trace/hooks/bug.h' line='14' column='1' elf-symbol-id='__tracepoint_android_rvh_report_bug'/>
+ <var-decl name='__tracepoint_android_rvh_resume_cpus' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_resume_cpus' visibility='default' filepath='include/trace/hooks/sched.h' line='108' column='1' elf-symbol-id='__tracepoint_android_rvh_resume_cpus'/>
+ <var-decl name='__tracepoint_android_rvh_rtmutex_prepare_setprio' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_rtmutex_prepare_setprio' visibility='default' filepath='include/trace/hooks/sched.h' line='56' column='1' elf-symbol-id='__tracepoint_android_rvh_rtmutex_prepare_setprio'/>
+ <var-decl name='__tracepoint_android_rvh_sched_balance_rt' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_balance_rt' visibility='default' filepath='include/trace/hooks/sched.h' line='242' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_balance_rt'/>
+ <var-decl name='__tracepoint_android_rvh_sched_cpu_dying' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_cpu_dying' visibility='default' filepath='include/trace/hooks/sched.h' line='173' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_cpu_dying'/>
+ <var-decl name='__tracepoint_android_rvh_sched_cpu_starting' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_cpu_starting' visibility='default' filepath='include/trace/hooks/sched.h' line='169' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_cpu_starting'/>
+ <var-decl name='__tracepoint_android_rvh_sched_exec' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_exec' visibility='default' filepath='include/trace/hooks/sched.h' line='224' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_exec'/>
+ <var-decl name='__tracepoint_android_rvh_sched_fork' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_fork' visibility='default' filepath='include/trace/hooks/sched.h' line='145' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_fork'/>
+ <var-decl name='__tracepoint_android_rvh_sched_fork_init' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_fork_init' visibility='default' filepath='include/trace/hooks/sched.h' line='212' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_fork_init'/>
+ <var-decl name='__tracepoint_android_rvh_sched_newidle_balance' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_newidle_balance' visibility='default' filepath='include/trace/hooks/sched.h' line='83' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_newidle_balance'/>
+ <var-decl name='__tracepoint_android_rvh_sched_nohz_balancer_kick' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_nohz_balancer_kick' visibility='default' filepath='include/trace/hooks/sched.h' line='88' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_nohz_balancer_kick'/>
+ <var-decl name='__tracepoint_android_rvh_sched_rebalance_domains' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_rebalance_domains' visibility='default' filepath='include/trace/hooks/sched.h' line='92' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_rebalance_domains'/>
+ <var-decl name='__tracepoint_android_rvh_sched_setaffinity' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_sched_setaffinity' visibility='default' filepath='include/trace/hooks/sched.h' line='124' column='1' elf-symbol-id='__tracepoint_android_rvh_sched_setaffinity'/>
+ <var-decl name='__tracepoint_android_rvh_schedule' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_schedule' visibility='default' filepath='include/trace/hooks/sched.h' line='165' column='1' elf-symbol-id='__tracepoint_android_rvh_schedule'/>
+ <var-decl name='__tracepoint_android_rvh_schedule_bug' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_schedule_bug' visibility='default' filepath='include/trace/hooks/sched.h' line='220' column='1' elf-symbol-id='__tracepoint_android_rvh_schedule_bug'/>
+ <var-decl name='__tracepoint_android_rvh_select_fallback_rq' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_select_fallback_rq' visibility='default' filepath='include/trace/hooks/sched.h' line='22' column='1' elf-symbol-id='__tracepoint_android_rvh_select_fallback_rq'/>
+ <var-decl name='__tracepoint_android_rvh_select_task_rq_fair' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_select_task_rq_fair' visibility='default' filepath='include/trace/hooks/sched.h' line='14' column='1' elf-symbol-id='__tracepoint_android_rvh_select_task_rq_fair'/>
+ <var-decl name='__tracepoint_android_rvh_select_task_rq_rt' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_select_task_rq_rt' visibility='default' filepath='include/trace/hooks/sched.h' line='18' column='1' elf-symbol-id='__tracepoint_android_rvh_select_task_rq_rt'/>
+ <var-decl name='__tracepoint_android_rvh_set_balance_anon_file_reclaim' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_balance_anon_file_reclaim' visibility='default' filepath='include/trace/hooks/vmscan.h' line='28' column='1' elf-symbol-id='__tracepoint_android_rvh_set_balance_anon_file_reclaim'/>
+ <var-decl name='__tracepoint_android_rvh_set_cpus_allowed_comm' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_cpus_allowed_comm' visibility='default' filepath='include/trace/hooks/sched.h' line='314' column='1' elf-symbol-id='__tracepoint_android_rvh_set_cpus_allowed_comm'/>
+ <var-decl name='__tracepoint_android_rvh_set_gfp_zone_flags' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_gfp_zone_flags' visibility='default' filepath='include/trace/hooks/mm.h' line='22' column='1' elf-symbol-id='__tracepoint_android_rvh_set_gfp_zone_flags'/>
+ <var-decl name='__tracepoint_android_rvh_set_iowait' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_iowait' visibility='default' filepath='include/trace/hooks/sched.h' line='116' column='1' elf-symbol-id='__tracepoint_android_rvh_set_iowait'/>
+ <var-decl name='__tracepoint_android_rvh_set_readahead_gfp_mask' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_readahead_gfp_mask' visibility='default' filepath='include/trace/hooks/mm.h' line='25' column='1' elf-symbol-id='__tracepoint_android_rvh_set_readahead_gfp_mask'/>
+ <var-decl name='__tracepoint_android_rvh_set_skip_swapcache_flags' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_skip_swapcache_flags' visibility='default' filepath='include/trace/hooks/mm.h' line='19' column='1' elf-symbol-id='__tracepoint_android_rvh_set_skip_swapcache_flags'/>
+ <var-decl name='__tracepoint_android_rvh_set_task_cpu' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_task_cpu' visibility='default' filepath='include/trace/hooks/sched.h' line='133' column='1' elf-symbol-id='__tracepoint_android_rvh_set_task_cpu'/>
+ <var-decl name='__tracepoint_android_rvh_set_user_nice' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_set_user_nice' visibility='default' filepath='include/trace/hooks/sched.h' line='60' column='1' elf-symbol-id='__tracepoint_android_rvh_set_user_nice'/>
+ <var-decl name='__tracepoint_android_rvh_setscheduler' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_setscheduler' visibility='default' filepath='include/trace/hooks/sched.h' line='64' column='1' elf-symbol-id='__tracepoint_android_rvh_setscheduler'/>
+ <var-decl name='__tracepoint_android_rvh_show_max_freq' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_show_max_freq' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='14' column='1' elf-symbol-id='__tracepoint_android_rvh_show_max_freq'/>
+ <var-decl name='__tracepoint_android_rvh_tcp_recvmsg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_tcp_recvmsg' visibility='default' filepath='include/trace/hooks/ipv4.h' line='16' column='1' elf-symbol-id='__tracepoint_android_rvh_tcp_recvmsg'/>
+ <var-decl name='__tracepoint_android_rvh_tcp_recvmsg_stat' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_tcp_recvmsg_stat' visibility='default' filepath='include/trace/hooks/ipv4.h' line='28' column='1' elf-symbol-id='__tracepoint_android_rvh_tcp_recvmsg_stat'/>
+ <var-decl name='__tracepoint_android_rvh_tcp_sendmsg_locked' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_tcp_sendmsg_locked' visibility='default' filepath='include/trace/hooks/ipv4.h' line='12' column='1' elf-symbol-id='__tracepoint_android_rvh_tcp_sendmsg_locked'/>
+ <var-decl name='__tracepoint_android_rvh_tick_entry' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_tick_entry' visibility='default' filepath='include/trace/hooks/sched.h' line='161' column='1' elf-symbol-id='__tracepoint_android_rvh_tick_entry'/>
+ <var-decl name='__tracepoint_android_rvh_try_to_wake_up' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_try_to_wake_up' visibility='default' filepath='include/trace/hooks/sched.h' line='137' column='1' elf-symbol-id='__tracepoint_android_rvh_try_to_wake_up'/>
+ <var-decl name='__tracepoint_android_rvh_try_to_wake_up_success' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_try_to_wake_up_success' visibility='default' filepath='include/trace/hooks/sched.h' line='141' column='1' elf-symbol-id='__tracepoint_android_rvh_try_to_wake_up_success'/>
+ <var-decl name='__tracepoint_android_rvh_ttwu_cond' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_ttwu_cond' visibility='default' filepath='include/trace/hooks/sched.h' line='216' column='1' elf-symbol-id='__tracepoint_android_rvh_ttwu_cond'/>
+ <var-decl name='__tracepoint_android_rvh_typec_tcpci_chk_contaminant' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_typec_tcpci_chk_contaminant' visibility='default' filepath='include/trace/hooks/typec.h' line='32' column='1' elf-symbol-id='__tracepoint_android_rvh_typec_tcpci_chk_contaminant'/>
+ <var-decl name='__tracepoint_android_rvh_typec_tcpci_get_vbus' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_typec_tcpci_get_vbus' visibility='default' filepath='include/trace/hooks/typec.h' line='43' column='1' elf-symbol-id='__tracepoint_android_rvh_typec_tcpci_get_vbus'/>
+ <var-decl name='__tracepoint_android_rvh_uclamp_eff_get' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_uclamp_eff_get' visibility='default' filepath='include/trace/hooks/sched.h' line='273' column='1' elf-symbol-id='__tracepoint_android_rvh_uclamp_eff_get'/>
+ <var-decl name='__tracepoint_android_rvh_udp_recvmsg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_udp_recvmsg' visibility='default' filepath='include/trace/hooks/ipv4.h' line='24' column='1' elf-symbol-id='__tracepoint_android_rvh_udp_recvmsg'/>
+ <var-decl name='__tracepoint_android_rvh_udp_sendmsg' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_udp_sendmsg' visibility='default' filepath='include/trace/hooks/ipv4.h' line='20' column='1' elf-symbol-id='__tracepoint_android_rvh_udp_sendmsg'/>
+ <var-decl name='__tracepoint_android_rvh_ufs_complete_init' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_ufs_complete_init' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='22' column='1' elf-symbol-id='__tracepoint_android_rvh_ufs_complete_init'/>
+ <var-decl name='__tracepoint_android_rvh_ufs_reprogram_all_keys' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_ufs_reprogram_all_keys' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='26' column='1' elf-symbol-id='__tracepoint_android_rvh_ufs_reprogram_all_keys'/>
+ <var-decl name='__tracepoint_android_rvh_update_cpu_capacity' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_cpu_capacity' visibility='default' filepath='include/trace/hooks/sched.h' line='190' column='1' elf-symbol-id='__tracepoint_android_rvh_update_cpu_capacity'/>
+ <var-decl name='__tracepoint_android_rvh_update_cpus_allowed' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_cpus_allowed' visibility='default' filepath='include/trace/hooks/sched.h' line='128' column='1' elf-symbol-id='__tracepoint_android_rvh_update_cpus_allowed'/>
+ <var-decl name='__tracepoint_android_rvh_update_misfit_status' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_update_misfit_status' visibility='default' filepath='include/trace/hooks/sched.h' line='194' column='1' elf-symbol-id='__tracepoint_android_rvh_update_misfit_status'/>
+ <var-decl name='__tracepoint_android_rvh_util_est_update' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_util_est_update' visibility='default' filepath='include/trace/hooks/sched.h' line='298' column='1' elf-symbol-id='__tracepoint_android_rvh_util_est_update'/>
+ <var-decl name='__tracepoint_android_rvh_v4l2subdev_set_fmt' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_v4l2subdev_set_fmt' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='52' column='1' elf-symbol-id='__tracepoint_android_rvh_v4l2subdev_set_fmt'/>
+ <var-decl name='__tracepoint_android_rvh_v4l2subdev_set_frame_interval' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_v4l2subdev_set_frame_interval' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='57' column='1' elf-symbol-id='__tracepoint_android_rvh_v4l2subdev_set_frame_interval'/>
+ <var-decl name='__tracepoint_android_rvh_v4l2subdev_set_selection' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_v4l2subdev_set_selection' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='47' column='1' elf-symbol-id='__tracepoint_android_rvh_v4l2subdev_set_selection'/>
+ <var-decl name='__tracepoint_android_rvh_wake_up_new_task' type-id='4ca0c298' mangled-name='__tracepoint_android_rvh_wake_up_new_task' visibility='default' filepath='include/trace/hooks/sched.h' line='149' column='1' elf-symbol-id='__tracepoint_android_rvh_wake_up_new_task'/>
+ <var-decl name='__tracepoint_android_vh_account_task_time' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_account_task_time' visibility='default' filepath='include/trace/hooks/sched.h' line='302' column='1' elf-symbol-id='__tracepoint_android_vh_account_task_time'/>
+ <var-decl name='__tracepoint_android_vh_aes_decrypt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_aes_decrypt' visibility='default' filepath='include/trace/hooks/fips140.h' line='41' column='1' elf-symbol-id='__tracepoint_android_vh_aes_decrypt'/>
+ <var-decl name='__tracepoint_android_vh_aes_encrypt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_aes_encrypt' visibility='default' filepath='include/trace/hooks/fips140.h' line='34' column='1' elf-symbol-id='__tracepoint_android_vh_aes_encrypt'/>
+ <var-decl name='__tracepoint_android_vh_aes_expandkey' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_aes_expandkey' visibility='default' filepath='include/trace/hooks/fips140.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_aes_expandkey'/>
+ <var-decl name='__tracepoint_android_vh_allow_domain_state' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_allow_domain_state' visibility='default' filepath='include/trace/hooks/pm_domain.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_allow_domain_state'/>
+ <var-decl name='__tracepoint_android_vh_alter_futex_plist_add' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_alter_futex_plist_add' visibility='default' filepath='include/trace/hooks/futex.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_alter_futex_plist_add'/>
+ <var-decl name='__tracepoint_android_vh_alter_mutex_list_add' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_alter_mutex_list_add' visibility='default' filepath='include/trace/hooks/dtask.h' line='48' column='1' elf-symbol-id='__tracepoint_android_vh_alter_mutex_list_add'/>
+ <var-decl name='__tracepoint_android_vh_alter_rwsem_list_add' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_alter_rwsem_list_add' visibility='default' filepath='include/trace/hooks/rwsem.h' line='24' column='1' elf-symbol-id='__tracepoint_android_vh_alter_rwsem_list_add'/>
+ <var-decl name='__tracepoint_android_vh_arch_set_freq_scale' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_arch_set_freq_scale' visibility='default' filepath='include/trace/hooks/topology.h' line='14' column='1' elf-symbol-id='__tracepoint_android_vh_arch_set_freq_scale'/>
+ <var-decl name='__tracepoint_android_vh_binder_alloc_new_buf_locked' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_alloc_new_buf_locked' visibility='default' filepath='include/trace/hooks/binder.h' line='44' column='1' elf-symbol-id='__tracepoint_android_vh_binder_alloc_new_buf_locked'/>
+ <var-decl name='__tracepoint_android_vh_binder_del_ref' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_del_ref' visibility='default' filepath='include/trace/hooks/binder.h' line='70' column='1' elf-symbol-id='__tracepoint_android_vh_binder_del_ref'/>
+ <var-decl name='__tracepoint_android_vh_binder_new_ref' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_new_ref' visibility='default' filepath='include/trace/hooks/binder.h' line='67' column='1' elf-symbol-id='__tracepoint_android_vh_binder_new_ref'/>
+ <var-decl name='__tracepoint_android_vh_binder_preset' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_preset' visibility='default' filepath='include/trace/hooks/binder.h' line='59' column='1' elf-symbol-id='__tracepoint_android_vh_binder_preset'/>
+ <var-decl name='__tracepoint_android_vh_binder_print_transaction_info' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_print_transaction_info' visibility='default' filepath='include/trace/hooks/binder.h' line='73' column='1' elf-symbol-id='__tracepoint_android_vh_binder_print_transaction_info'/>
+ <var-decl name='__tracepoint_android_vh_binder_priority_skip' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_priority_skip' visibility='default' filepath='include/trace/hooks/binder.h' line='24' column='1' elf-symbol-id='__tracepoint_android_vh_binder_priority_skip'/>
+ <var-decl name='__tracepoint_android_vh_binder_proc_transaction' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_proc_transaction' visibility='default' filepath='include/trace/hooks/binder.h' line='62' column='1' elf-symbol-id='__tracepoint_android_vh_binder_proc_transaction'/>
+ <var-decl name='__tracepoint_android_vh_binder_reply' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_reply' visibility='default' filepath='include/trace/hooks/binder.h' line='47' column='1' elf-symbol-id='__tracepoint_android_vh_binder_reply'/>
+ <var-decl name='__tracepoint_android_vh_binder_restore_priority' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_restore_priority' visibility='default' filepath='include/trace/hooks/binder.h' line='30' column='1' elf-symbol-id='__tracepoint_android_vh_binder_restore_priority'/>
+ <var-decl name='__tracepoint_android_vh_binder_set_priority' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_set_priority' visibility='default' filepath='include/trace/hooks/binder.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_binder_set_priority'/>
+ <var-decl name='__tracepoint_android_vh_binder_trans' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_trans' visibility='default' filepath='include/trace/hooks/binder.h' line='51' column='1' elf-symbol-id='__tracepoint_android_vh_binder_trans'/>
+ <var-decl name='__tracepoint_android_vh_binder_transaction_init' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_transaction_init' visibility='default' filepath='include/trace/hooks/binder.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_binder_transaction_init'/>
+ <var-decl name='__tracepoint_android_vh_binder_wait_for_work' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_wait_for_work' visibility='default' filepath='include/trace/hooks/binder.h' line='38' column='1' elf-symbol-id='__tracepoint_android_vh_binder_wait_for_work'/>
+ <var-decl name='__tracepoint_android_vh_binder_wakeup_ilocked' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_binder_wakeup_ilocked' visibility='default' filepath='include/trace/hooks/binder.h' line='35' column='1' elf-symbol-id='__tracepoint_android_vh_binder_wakeup_ilocked'/>
+ <var-decl name='__tracepoint_android_vh_blk_alloc_rqs' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_blk_alloc_rqs' visibility='default' filepath='include/trace/hooks/block.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_blk_alloc_rqs'/>
+ <var-decl name='__tracepoint_android_vh_blk_rq_ctx_init' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_blk_rq_ctx_init' visibility='default' filepath='include/trace/hooks/block.h' line='22' column='1' elf-symbol-id='__tracepoint_android_vh_blk_rq_ctx_init'/>
+ <var-decl name='__tracepoint_android_vh_build_sched_domains' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_build_sched_domains' visibility='default' filepath='include/trace/hooks/sched.h' line='278' column='1' elf-symbol-id='__tracepoint_android_vh_build_sched_domains'/>
+ <var-decl name='__tracepoint_android_vh_cgroup_attach' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cgroup_attach' visibility='default' filepath='include/trace/hooks/cgroup.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_cgroup_attach'/>
+ <var-decl name='__tracepoint_android_vh_cgroup_set_task' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cgroup_set_task' visibility='default' filepath='include/trace/hooks/cgroup.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_cgroup_set_task'/>
+ <var-decl name='__tracepoint_android_vh_check_bpf_syscall' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_check_bpf_syscall' visibility='default' filepath='include/trace/hooks/syscall_check.h' line='25' column='1' elf-symbol-id='__tracepoint_android_vh_check_bpf_syscall'/>
+ <var-decl name='__tracepoint_android_vh_check_file_open' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_check_file_open' visibility='default' filepath='include/trace/hooks/syscall_check.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_check_file_open'/>
+ <var-decl name='__tracepoint_android_vh_check_mmap_file' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_check_mmap_file' visibility='default' filepath='include/trace/hooks/syscall_check.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_check_mmap_file'/>
+ <var-decl name='__tracepoint_android_vh_check_uninterruptible_tasks' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_check_uninterruptible_tasks' visibility='default' filepath='include/trace/hooks/hung_task.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_check_uninterruptible_tasks'/>
+ <var-decl name='__tracepoint_android_vh_check_uninterruptible_tasks_dn' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_check_uninterruptible_tasks_dn' visibility='default' filepath='include/trace/hooks/hung_task.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_check_uninterruptible_tasks_dn'/>
+ <var-decl name='__tracepoint_android_vh_clear_mask_adjust' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_clear_mask_adjust' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='23' column='1' elf-symbol-id='__tracepoint_android_vh_clear_mask_adjust'/>
+ <var-decl name='__tracepoint_android_vh_clear_reserved_fmt_fields' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_clear_reserved_fmt_fields' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='14' column='1' elf-symbol-id='__tracepoint_android_vh_clear_reserved_fmt_fields'/>
+ <var-decl name='__tracepoint_android_vh_cma_alloc_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cma_alloc_finish' visibility='default' filepath='include/trace/hooks/mm.h' line='31' column='1' elf-symbol-id='__tracepoint_android_vh_cma_alloc_finish'/>
+ <var-decl name='__tracepoint_android_vh_cma_alloc_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cma_alloc_start' visibility='default' filepath='include/trace/hooks/mm.h' line='28' column='1' elf-symbol-id='__tracepoint_android_vh_cma_alloc_start'/>
+ <var-decl name='__tracepoint_android_vh_commit_creds' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_commit_creds' visibility='default' filepath='include/trace/hooks/creds.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_commit_creds'/>
+ <var-decl name='__tracepoint_android_vh_cpu_idle_enter' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpu_idle_enter' visibility='default' filepath='include/trace/hooks/cpuidle.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_cpu_idle_enter'/>
+ <var-decl name='__tracepoint_android_vh_cpu_idle_exit' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpu_idle_exit' visibility='default' filepath='include/trace/hooks/cpuidle.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_cpu_idle_exit'/>
+ <var-decl name='__tracepoint_android_vh_cpu_up' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpu_up' visibility='default' filepath='include/trace/hooks/cpu.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_cpu_up'/>
+ <var-decl name='__tracepoint_android_vh_cpufreq_acct_update_power' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpufreq_acct_update_power' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_cpufreq_acct_update_power'/>
+ <var-decl name='__tracepoint_android_vh_cpufreq_fast_switch' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpufreq_fast_switch' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='40' column='1' elf-symbol-id='__tracepoint_android_vh_cpufreq_fast_switch'/>
+ <var-decl name='__tracepoint_android_vh_cpufreq_resolve_freq' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpufreq_resolve_freq' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='35' column='1' elf-symbol-id='__tracepoint_android_vh_cpufreq_resolve_freq'/>
+ <var-decl name='__tracepoint_android_vh_cpufreq_target' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpufreq_target' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='45' column='1' elf-symbol-id='__tracepoint_android_vh_cpufreq_target'/>
+ <var-decl name='__tracepoint_android_vh_cpuidle_psci_enter' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpuidle_psci_enter' visibility='default' filepath='include/trace/hooks/cpuidle_psci.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_cpuidle_psci_enter'/>
+ <var-decl name='__tracepoint_android_vh_cpuidle_psci_exit' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_cpuidle_psci_exit' visibility='default' filepath='include/trace/hooks/cpuidle_psci.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_cpuidle_psci_exit'/>
+ <var-decl name='__tracepoint_android_vh_do_send_sig_info' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_do_send_sig_info' visibility='default' filepath='include/trace/hooks/signal.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_do_send_sig_info'/>
+ <var-decl name='__tracepoint_android_vh_do_wake_up_sync' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_do_wake_up_sync' visibility='default' filepath='include/trace/hooks/sched.h' line='263' column='1' elf-symbol-id='__tracepoint_android_vh_do_wake_up_sync'/>
+ <var-decl name='__tracepoint_android_vh_dump_throttled_rt_tasks' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_dump_throttled_rt_tasks' visibility='default' filepath='include/trace/hooks/sched.h' line='73' column='1' elf-symbol-id='__tracepoint_android_vh_dump_throttled_rt_tasks'/>
+ <var-decl name='__tracepoint_android_vh_dup_task_struct' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_dup_task_struct' visibility='default' filepath='include/trace/hooks/sched.h' line='369' column='1' elf-symbol-id='__tracepoint_android_vh_dup_task_struct'/>
+ <var-decl name='__tracepoint_android_vh_em_cpu_energy' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_em_cpu_energy' visibility='default' filepath='include/trace/hooks/sched.h' line='236' column='1' elf-symbol-id='__tracepoint_android_vh_em_cpu_energy'/>
+ <var-decl name='__tracepoint_android_vh_enable_thermal_genl_check' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_enable_thermal_genl_check' visibility='default' filepath='include/trace/hooks/thermal.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_enable_thermal_genl_check'/>
+ <var-decl name='__tracepoint_android_vh_ep_create_wakeup_source' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ep_create_wakeup_source' visibility='default' filepath='include/trace/hooks/fs.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_ep_create_wakeup_source'/>
+ <var-decl name='__tracepoint_android_vh_exclude_reserved_zone' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_exclude_reserved_zone' visibility='default' filepath='include/trace/hooks/mm.h' line='61' column='1' elf-symbol-id='__tracepoint_android_vh_exclude_reserved_zone'/>
+ <var-decl name='__tracepoint_android_vh_exit_creds' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_exit_creds' visibility='default' filepath='include/trace/hooks/creds.h' line='20' column='1' elf-symbol-id='__tracepoint_android_vh_exit_creds'/>
+ <var-decl name='__tracepoint_android_vh_exit_mm' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_exit_mm' visibility='default' filepath='include/trace/hooks/mm.h' line='54' column='1' elf-symbol-id='__tracepoint_android_vh_exit_mm'/>
+ <var-decl name='__tracepoint_android_vh_filemap_fault_cache_page' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_filemap_fault_cache_page' visibility='default' filepath='include/trace/hooks/mm.h' line='48' column='1' elf-symbol-id='__tracepoint_android_vh_filemap_fault_cache_page'/>
+ <var-decl name='__tracepoint_android_vh_filemap_fault_get_page' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_filemap_fault_get_page' visibility='default' filepath='include/trace/hooks/mm.h' line='45' column='1' elf-symbol-id='__tracepoint_android_vh_filemap_fault_get_page'/>
+ <var-decl name='__tracepoint_android_vh_fill_ext_fmtdesc' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_fill_ext_fmtdesc' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_fill_ext_fmtdesc'/>
+ <var-decl name='__tracepoint_android_vh_finish_update_load_avg_se' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_finish_update_load_avg_se' visibility='default' filepath='include/trace/hooks/sched.h' line='365' column='1' elf-symbol-id='__tracepoint_android_vh_finish_update_load_avg_se'/>
+ <var-decl name='__tracepoint_android_vh_free_task' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_free_task' visibility='default' filepath='include/trace/hooks/sched.h' line='322' column='1' elf-symbol-id='__tracepoint_android_vh_free_task'/>
+ <var-decl name='__tracepoint_android_vh_freq_qos_add_request' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_freq_qos_add_request' visibility='default' filepath='include/trace/hooks/power.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_freq_qos_add_request'/>
+ <var-decl name='__tracepoint_android_vh_freq_qos_remove_request' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_freq_qos_remove_request' visibility='default' filepath='include/trace/hooks/power.h' line='36' column='1' elf-symbol-id='__tracepoint_android_vh_freq_qos_remove_request'/>
+ <var-decl name='__tracepoint_android_vh_freq_qos_update_request' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_freq_qos_update_request' visibility='default' filepath='include/trace/hooks/power.h' line='32' column='1' elf-symbol-id='__tracepoint_android_vh_freq_qos_update_request'/>
+ <var-decl name='__tracepoint_android_vh_freq_table_limits' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_freq_table_limits' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='22' column='1' elf-symbol-id='__tracepoint_android_vh_freq_table_limits'/>
+ <var-decl name='__tracepoint_android_vh_ftrace_dump_buffer' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ftrace_dump_buffer' visibility='default' filepath='include/trace/hooks/ftrace_dump.h' line='32' column='1' elf-symbol-id='__tracepoint_android_vh_ftrace_dump_buffer'/>
+ <var-decl name='__tracepoint_android_vh_ftrace_format_check' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ftrace_format_check' visibility='default' filepath='include/trace/hooks/ftrace_dump.h' line='28' column='1' elf-symbol-id='__tracepoint_android_vh_ftrace_format_check'/>
+ <var-decl name='__tracepoint_android_vh_ftrace_oops_enter' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ftrace_oops_enter' visibility='default' filepath='include/trace/hooks/ftrace_dump.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_ftrace_oops_enter'/>
+ <var-decl name='__tracepoint_android_vh_ftrace_oops_exit' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ftrace_oops_exit' visibility='default' filepath='include/trace/hooks/ftrace_dump.h' line='20' column='1' elf-symbol-id='__tracepoint_android_vh_ftrace_oops_exit'/>
+ <var-decl name='__tracepoint_android_vh_ftrace_size_check' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ftrace_size_check' visibility='default' filepath='include/trace/hooks/ftrace_dump.h' line='24' column='1' elf-symbol-id='__tracepoint_android_vh_ftrace_size_check'/>
+ <var-decl name='__tracepoint_android_vh_get_from_fragment_pool' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_get_from_fragment_pool' visibility='default' filepath='include/trace/hooks/mm.h' line='57' column='1' elf-symbol-id='__tracepoint_android_vh_get_from_fragment_pool'/>
+ <var-decl name='__tracepoint_android_vh_gic_resume' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_gic_resume' visibility='default' filepath='include/trace/hooks/gic.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_gic_resume'/>
+ <var-decl name='__tracepoint_android_vh_gpio_block_read' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_gpio_block_read' visibility='default' filepath='include/trace/hooks/gpiolib.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_gpio_block_read'/>
+ <var-decl name='__tracepoint_android_vh_include_reserved_zone' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_include_reserved_zone' visibility='default' filepath='include/trace/hooks/mm.h' line='64' column='1' elf-symbol-id='__tracepoint_android_vh_include_reserved_zone'/>
+ <var-decl name='__tracepoint_android_vh_iommu_alloc_iova' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_iommu_alloc_iova' visibility='default' filepath='include/trace/hooks/iommu.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_iommu_alloc_iova'/>
+ <var-decl name='__tracepoint_android_vh_iommu_free_iova' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_iommu_free_iova' visibility='default' filepath='include/trace/hooks/iommu.h' line='29' column='1' elf-symbol-id='__tracepoint_android_vh_iommu_free_iova'/>
+ <var-decl name='__tracepoint_android_vh_iommu_iovad_alloc_iova' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_iommu_iovad_alloc_iova' visibility='default' filepath='include/trace/hooks/iommu.h' line='25' column='1' elf-symbol-id='__tracepoint_android_vh_iommu_iovad_alloc_iova'/>
+ <var-decl name='__tracepoint_android_vh_iommu_iovad_free_iova' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_iommu_iovad_free_iova' visibility='default' filepath='include/trace/hooks/iommu.h' line='33' column='1' elf-symbol-id='__tracepoint_android_vh_iommu_iovad_free_iova'/>
+ <var-decl name='__tracepoint_android_vh_iommu_setup_dma_ops' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_iommu_setup_dma_ops' visibility='default' filepath='include/trace/hooks/iommu.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_iommu_setup_dma_ops'/>
+ <var-decl name='__tracepoint_android_vh_ipi_stop' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ipi_stop' visibility='default' filepath='include/trace/hooks/debug.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_ipi_stop'/>
+ <var-decl name='__tracepoint_android_vh_ipv6_gen_linklocal_addr' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ipv6_gen_linklocal_addr' visibility='default' filepath='include/trace/hooks/ipv6.h' line='14' column='1' elf-symbol-id='__tracepoint_android_vh_ipv6_gen_linklocal_addr'/>
+ <var-decl name='__tracepoint_android_vh_irqtime_account_process_tick' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_irqtime_account_process_tick' visibility='default' filepath='include/trace/hooks/sched.h' line='306' column='1' elf-symbol-id='__tracepoint_android_vh_irqtime_account_process_tick'/>
+ <var-decl name='__tracepoint_android_vh_is_fpsimd_save' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_is_fpsimd_save' visibility='default' filepath='include/trace/hooks/fpsimd.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_is_fpsimd_save'/>
+ <var-decl name='__tracepoint_android_vh_jiffies_update' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_jiffies_update' visibility='default' filepath='include/trace/hooks/sched.h' line='78' column='1' elf-symbol-id='__tracepoint_android_vh_jiffies_update'/>
+ <var-decl name='__tracepoint_android_vh_kfree_skb' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_kfree_skb' visibility='default' filepath='include/trace/hooks/net.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_kfree_skb'/>
+ <var-decl name='__tracepoint_android_vh_kmalloc_slab' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_kmalloc_slab' visibility='default' filepath='include/trace/hooks/mm.h' line='120' column='1' elf-symbol-id='__tracepoint_android_vh_kmalloc_slab'/>
+ <var-decl name='__tracepoint_android_vh_logbuf' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_logbuf' visibility='default' filepath='include/trace/hooks/logbuf.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_logbuf'/>
+ <var-decl name='__tracepoint_android_vh_logbuf_pr_cont' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_logbuf_pr_cont' visibility='default' filepath='include/trace/hooks/logbuf.h' line='20' column='1' elf-symbol-id='__tracepoint_android_vh_logbuf_pr_cont'/>
+ <var-decl name='__tracepoint_android_vh_map_util_freq' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_map_util_freq' visibility='default' filepath='include/trace/hooks/sched.h' line='229' column='1' elf-symbol-id='__tracepoint_android_vh_map_util_freq'/>
+ <var-decl name='__tracepoint_android_vh_media_device_setup_link' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_media_device_setup_link' visibility='default' filepath='include/trace/hooks/v4l2mc.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_media_device_setup_link'/>
+ <var-decl name='__tracepoint_android_vh_mem_cgroup_alloc' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mem_cgroup_alloc' visibility='default' filepath='include/trace/hooks/mm.h' line='104' column='1' elf-symbol-id='__tracepoint_android_vh_mem_cgroup_alloc'/>
+ <var-decl name='__tracepoint_android_vh_mem_cgroup_css_offline' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mem_cgroup_css_offline' visibility='default' filepath='include/trace/hooks/mm.h' line='117' column='1' elf-symbol-id='__tracepoint_android_vh_mem_cgroup_css_offline'/>
+ <var-decl name='__tracepoint_android_vh_mem_cgroup_css_online' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mem_cgroup_css_online' visibility='default' filepath='include/trace/hooks/mm.h' line='114' column='1' elf-symbol-id='__tracepoint_android_vh_mem_cgroup_css_online'/>
+ <var-decl name='__tracepoint_android_vh_mem_cgroup_free' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mem_cgroup_free' visibility='default' filepath='include/trace/hooks/mm.h' line='107' column='1' elf-symbol-id='__tracepoint_android_vh_mem_cgroup_free'/>
+ <var-decl name='__tracepoint_android_vh_mem_cgroup_id_remove' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mem_cgroup_id_remove' visibility='default' filepath='include/trace/hooks/mm.h' line='110' column='1' elf-symbol-id='__tracepoint_android_vh_mem_cgroup_id_remove'/>
+ <var-decl name='__tracepoint_android_vh_meminfo_proc_show' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_meminfo_proc_show' visibility='default' filepath='include/trace/hooks/mm.h' line='51' column='1' elf-symbol-id='__tracepoint_android_vh_meminfo_proc_show'/>
+ <var-decl name='__tracepoint_android_vh_mm_dirty_limits' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mm_dirty_limits' visibility='default' filepath='include/trace/hooks/mm.h' line='82' column='1' elf-symbol-id='__tracepoint_android_vh_mm_dirty_limits'/>
+ <var-decl name='__tracepoint_android_vh_mmap_region' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mmap_region' visibility='default' filepath='include/trace/hooks/mm.h' line='123' column='1' elf-symbol-id='__tracepoint_android_vh_mmap_region'/>
+ <var-decl name='__tracepoint_android_vh_mmc_attach_sd' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mmc_attach_sd' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='26' column='1' elf-symbol-id='__tracepoint_android_vh_mmc_attach_sd'/>
+ <var-decl name='__tracepoint_android_vh_mmc_blk_mq_rw_recovery' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mmc_blk_mq_rw_recovery' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='20' column='1' elf-symbol-id='__tracepoint_android_vh_mmc_blk_mq_rw_recovery'/>
+ <var-decl name='__tracepoint_android_vh_mmc_blk_reset' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mmc_blk_reset' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_mmc_blk_reset'/>
+ <var-decl name='__tracepoint_android_vh_mmc_gpio_cd_irqt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mmc_gpio_cd_irqt' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='32' column='1' elf-symbol-id='__tracepoint_android_vh_mmc_gpio_cd_irqt'/>
+ <var-decl name='__tracepoint_android_vh_mutex_unlock_slowpath' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mutex_unlock_slowpath' visibility='default' filepath='include/trace/hooks/dtask.h' line='54' column='1' elf-symbol-id='__tracepoint_android_vh_mutex_unlock_slowpath'/>
+ <var-decl name='__tracepoint_android_vh_mutex_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mutex_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_mutex_wait_finish'/>
+ <var-decl name='__tracepoint_android_vh_mutex_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_mutex_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_mutex_wait_start'/>
+ <var-decl name='__tracepoint_android_vh_of_i2c_get_board_info' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_of_i2c_get_board_info' visibility='default' filepath='include/trace/hooks/i2c.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_of_i2c_get_board_info'/>
+ <var-decl name='__tracepoint_android_vh_oom_check_panic' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_oom_check_panic' visibility='default' filepath='include/trace/hooks/mm.h' line='88' column='1' elf-symbol-id='__tracepoint_android_vh_oom_check_panic'/>
+ <var-decl name='__tracepoint_android_vh_override_creds' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_override_creds' visibility='default' filepath='include/trace/hooks/creds.h' line='24' column='1' elf-symbol-id='__tracepoint_android_vh_override_creds'/>
+ <var-decl name='__tracepoint_android_vh_pagecache_get_page' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_pagecache_get_page' visibility='default' filepath='include/trace/hooks/mm.h' line='41' column='1' elf-symbol-id='__tracepoint_android_vh_pagecache_get_page'/>
+ <var-decl name='__tracepoint_android_vh_prepare_update_load_avg_se' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_prepare_update_load_avg_se' visibility='default' filepath='include/trace/hooks/sched.h' line='357' column='1' elf-symbol-id='__tracepoint_android_vh_prepare_update_load_avg_se'/>
+ <var-decl name='__tracepoint_android_vh_printk_hotplug' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_printk_hotplug' visibility='default' filepath='include/trace/hooks/printk.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_printk_hotplug'/>
+ <var-decl name='__tracepoint_android_vh_process_killed' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_process_killed' visibility='default' filepath='include/trace/hooks/signal.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_process_killed'/>
+ <var-decl name='__tracepoint_android_vh_psi_event' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_psi_event' visibility='default' filepath='include/trace/hooks/psi.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_psi_event'/>
+ <var-decl name='__tracepoint_android_vh_psi_group' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_psi_group' visibility='default' filepath='include/trace/hooks/psi.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_psi_group'/>
+ <var-decl name='__tracepoint_android_vh_ptype_head' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ptype_head' visibility='default' filepath='include/trace/hooks/net.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_ptype_head'/>
+ <var-decl name='__tracepoint_android_vh_revert_creds' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_revert_creds' visibility='default' filepath='include/trace/hooks/creds.h' line='28' column='1' elf-symbol-id='__tracepoint_android_vh_revert_creds'/>
+ <var-decl name='__tracepoint_android_vh_rmqueue' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rmqueue' visibility='default' filepath='include/trace/hooks/mm.h' line='35' column='1' elf-symbol-id='__tracepoint_android_vh_rmqueue'/>
+ <var-decl name='__tracepoint_android_vh_rproc_recovery' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rproc_recovery' visibility='default' filepath='include/trace/hooks/remoteproc.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_rproc_recovery'/>
+ <var-decl name='__tracepoint_android_vh_rproc_recovery_set' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rproc_recovery_set' visibility='default' filepath='include/trace/hooks/remoteproc.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_rproc_recovery_set'/>
+ <var-decl name='__tracepoint_android_vh_rtmutex_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rtmutex_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='26' column='1' elf-symbol-id='__tracepoint_android_vh_rtmutex_wait_finish'/>
+ <var-decl name='__tracepoint_android_vh_rtmutex_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rtmutex_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='23' column='1' elf-symbol-id='__tracepoint_android_vh_rtmutex_wait_start'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_init' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_init' visibility='default' filepath='include/trace/hooks/rwsem.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_init'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_read_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_read_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='34' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_read_wait_finish'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_read_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_read_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='31' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_read_wait_start'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_wake' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_wake' visibility='default' filepath='include/trace/hooks/rwsem.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_wake'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_wake_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_wake_finish' visibility='default' filepath='include/trace/hooks/rwsem.h' line='29' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_wake_finish'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_write_finished' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_write_finished' visibility='default' filepath='include/trace/hooks/rwsem.h' line='21' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_write_finished'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_write_wait_finish' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_write_wait_finish' visibility='default' filepath='include/trace/hooks/dtask.h' line='40' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_write_wait_finish'/>
+ <var-decl name='__tracepoint_android_vh_rwsem_write_wait_start' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_rwsem_write_wait_start' visibility='default' filepath='include/trace/hooks/dtask.h' line='37' column='1' elf-symbol-id='__tracepoint_android_vh_rwsem_write_wait_start'/>
+ <var-decl name='__tracepoint_android_vh_save_track_hash' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_save_track_hash' visibility='default' filepath='include/trace/hooks/mm.h' line='97' column='1' elf-symbol-id='__tracepoint_android_vh_save_track_hash'/>
+ <var-decl name='__tracepoint_android_vh_save_vmalloc_stack' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_save_vmalloc_stack' visibility='default' filepath='include/trace/hooks/mm.h' line='91' column='1' elf-symbol-id='__tracepoint_android_vh_save_vmalloc_stack'/>
+ <var-decl name='__tracepoint_android_vh_sched_setaffinity_early' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sched_setaffinity_early' visibility='default' filepath='include/trace/hooks/sched.h' line='318' column='1' elf-symbol-id='__tracepoint_android_vh_sched_setaffinity_early'/>
+ <var-decl name='__tracepoint_android_vh_sched_show_task' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sched_show_task' visibility='default' filepath='include/trace/hooks/dtask.h' line='45' column='1' elf-symbol-id='__tracepoint_android_vh_sched_show_task'/>
+ <var-decl name='__tracepoint_android_vh_sched_stat_runtime_rt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sched_stat_runtime_rt' visibility='default' filepath='include/trace/hooks/sched.h' line='361' column='1' elf-symbol-id='__tracepoint_android_vh_sched_stat_runtime_rt'/>
+ <var-decl name='__tracepoint_android_vh_scheduler_tick' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_scheduler_tick' visibility='default' filepath='include/trace/hooks/sched.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_scheduler_tick'/>
+ <var-decl name='__tracepoint_android_vh_scmi_timeout_sync' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_scmi_timeout_sync' visibility='default' filepath='include/trace/hooks/scmi.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_scmi_timeout_sync'/>
+ <var-decl name='__tracepoint_android_vh_sd_update_bus_speed_mode' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sd_update_bus_speed_mode' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='23' column='1' elf-symbol-id='__tracepoint_android_vh_sd_update_bus_speed_mode'/>
+ <var-decl name='__tracepoint_android_vh_sdhci_get_cd' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sdhci_get_cd' visibility='default' filepath='include/trace/hooks/mmc_core.h' line='29' column='1' elf-symbol-id='__tracepoint_android_vh_sdhci_get_cd'/>
+ <var-decl name='__tracepoint_android_vh_selinux_avc_insert' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_selinux_avc_insert' visibility='default' filepath='include/trace/hooks/avc.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_selinux_avc_insert'/>
+ <var-decl name='__tracepoint_android_vh_selinux_avc_lookup' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_selinux_avc_lookup' visibility='default' filepath='include/trace/hooks/avc.h' line='27' column='1' elf-symbol-id='__tracepoint_android_vh_selinux_avc_lookup'/>
+ <var-decl name='__tracepoint_android_vh_selinux_avc_node_delete' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_selinux_avc_node_delete' visibility='default' filepath='include/trace/hooks/avc.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_selinux_avc_node_delete'/>
+ <var-decl name='__tracepoint_android_vh_selinux_avc_node_replace' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_selinux_avc_node_replace' visibility='default' filepath='include/trace/hooks/avc.h' line='23' column='1' elf-symbol-id='__tracepoint_android_vh_selinux_avc_node_replace'/>
+ <var-decl name='__tracepoint_android_vh_selinux_is_initialized' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_selinux_is_initialized' visibility='default' filepath='include/trace/hooks/selinux.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_selinux_is_initialized'/>
+ <var-decl name='__tracepoint_android_vh_set_memory_nx' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_set_memory_nx' visibility='default' filepath='include/trace/hooks/memory.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_set_memory_nx'/>
+ <var-decl name='__tracepoint_android_vh_set_memory_ro' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_set_memory_ro' visibility='default' filepath='include/trace/hooks/memory.h' line='22' column='1' elf-symbol-id='__tracepoint_android_vh_set_memory_ro'/>
+ <var-decl name='__tracepoint_android_vh_set_memory_rw' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_set_memory_rw' visibility='default' filepath='include/trace/hooks/memory.h' line='26' column='1' elf-symbol-id='__tracepoint_android_vh_set_memory_rw'/>
+ <var-decl name='__tracepoint_android_vh_set_memory_x' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_set_memory_x' visibility='default' filepath='include/trace/hooks/memory.h' line='14' column='1' elf-symbol-id='__tracepoint_android_vh_set_memory_x'/>
+ <var-decl name='__tracepoint_android_vh_set_module_permit_after_init' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_set_module_permit_after_init' visibility='default' filepath='include/trace/hooks/module.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_set_module_permit_after_init'/>
+ <var-decl name='__tracepoint_android_vh_set_module_permit_before_init' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_set_module_permit_before_init' visibility='default' filepath='include/trace/hooks/module.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_set_module_permit_before_init'/>
+ <var-decl name='__tracepoint_android_vh_set_wake_flags' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_set_wake_flags' visibility='default' filepath='include/trace/hooks/sched.h' line='267' column='1' elf-symbol-id='__tracepoint_android_vh_set_wake_flags'/>
+ <var-decl name='__tracepoint_android_vh_setscheduler_uclamp' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_setscheduler_uclamp' visibility='default' filepath='include/trace/hooks/sched.h' line='389' column='1' elf-symbol-id='__tracepoint_android_vh_setscheduler_uclamp'/>
+ <var-decl name='__tracepoint_android_vh_sha256' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sha256' visibility='default' filepath='include/trace/hooks/fips140.h' line='20' column='1' elf-symbol-id='__tracepoint_android_vh_sha256'/>
+ <var-decl name='__tracepoint_android_vh_shmem_alloc_page' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_shmem_alloc_page' visibility='default' filepath='include/trace/hooks/shmem_fs.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_shmem_alloc_page'/>
+ <var-decl name='__tracepoint_android_vh_show_max_freq' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_show_max_freq' visibility='default' filepath='include/trace/hooks/cpufreq.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_show_max_freq'/>
+ <var-decl name='__tracepoint_android_vh_show_mem' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_show_mem' visibility='default' filepath='include/trace/hooks/mm.h' line='68' column='1' elf-symbol-id='__tracepoint_android_vh_show_mem'/>
+ <var-decl name='__tracepoint_android_vh_show_resume_epoch_val' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_show_resume_epoch_val' visibility='default' filepath='include/trace/hooks/epoch.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_show_resume_epoch_val'/>
+ <var-decl name='__tracepoint_android_vh_show_stack_hash' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_show_stack_hash' visibility='default' filepath='include/trace/hooks/mm.h' line='94' column='1' elf-symbol-id='__tracepoint_android_vh_show_stack_hash'/>
+ <var-decl name='__tracepoint_android_vh_show_suspend_epoch_val' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_show_suspend_epoch_val' visibility='default' filepath='include/trace/hooks/epoch.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_show_suspend_epoch_val'/>
+ <var-decl name='__tracepoint_android_vh_shrink_slab_bypass' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_shrink_slab_bypass' visibility='default' filepath='include/trace/hooks/vmscan.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_shrink_slab_bypass'/>
+ <var-decl name='__tracepoint_android_vh_snd_compr_use_pause_in_drain' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_snd_compr_use_pause_in_drain' visibility='default' filepath='include/trace/hooks/snd_compr.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_snd_compr_use_pause_in_drain'/>
+ <var-decl name='__tracepoint_android_vh_snd_soc_card_get_comp_chain' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_snd_soc_card_get_comp_chain' visibility='default' filepath='include/trace/hooks/sound.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_snd_soc_card_get_comp_chain'/>
+ <var-decl name='__tracepoint_android_vh_sound_usb_support_cpu_suspend' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sound_usb_support_cpu_suspend' visibility='default' filepath='include/trace/hooks/sound.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_sound_usb_support_cpu_suspend'/>
+ <var-decl name='__tracepoint_android_vh_sync_txn_recvd' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_sync_txn_recvd' visibility='default' filepath='include/trace/hooks/binder.h' line='41' column='1' elf-symbol-id='__tracepoint_android_vh_sync_txn_recvd'/>
+ <var-decl name='__tracepoint_android_vh_syscall_prctl_finished' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_syscall_prctl_finished' visibility='default' filepath='include/trace/hooks/sys.h' line='12' column='1' elf-symbol-id='__tracepoint_android_vh_syscall_prctl_finished'/>
+ <var-decl name='__tracepoint_android_vh_thermal_pm_notify_suspend' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_thermal_pm_notify_suspend' visibility='default' filepath='include/trace/hooks/thermal.h' line='18' column='1' elf-symbol-id='__tracepoint_android_vh_thermal_pm_notify_suspend'/>
+ <var-decl name='__tracepoint_android_vh_timer_calc_index' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_timer_calc_index' visibility='default' filepath='include/trace/hooks/timer.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_timer_calc_index'/>
+ <var-decl name='__tracepoint_android_vh_timerfd_create' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_timerfd_create' visibility='default' filepath='include/trace/hooks/fs.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_timerfd_create'/>
+ <var-decl name='__tracepoint_android_vh_try_to_freeze_todo' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_try_to_freeze_todo' visibility='default' filepath='include/trace/hooks/power.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_try_to_freeze_todo'/>
+ <var-decl name='__tracepoint_android_vh_try_to_freeze_todo_unfrozen' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_try_to_freeze_todo_unfrozen' visibility='default' filepath='include/trace/hooks/power.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_try_to_freeze_todo_unfrozen'/>
+ <var-decl name='__tracepoint_android_vh_try_to_unmap_one' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_try_to_unmap_one' visibility='default' filepath='include/trace/hooks/mm.h' line='126' column='1' elf-symbol-id='__tracepoint_android_vh_try_to_unmap_one'/>
+ <var-decl name='__tracepoint_android_vh_tune_inactive_ratio' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_tune_inactive_ratio' visibility='default' filepath='include/trace/hooks/vmscan.h' line='22' column='1' elf-symbol-id='__tracepoint_android_vh_tune_inactive_ratio'/>
+ <var-decl name='__tracepoint_android_vh_tune_scan_type' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_tune_scan_type' visibility='default' filepath='include/trace/hooks/vmscan.h' line='13' column='1' elf-symbol-id='__tracepoint_android_vh_tune_scan_type'/>
+ <var-decl name='__tracepoint_android_vh_tune_swappiness' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_tune_swappiness' visibility='default' filepath='include/trace/hooks/vmscan.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_tune_swappiness'/>
+ <var-decl name='__tracepoint_android_vh_typec_store_partner_src_caps' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_store_partner_src_caps' visibility='default' filepath='include/trace/hooks/typec.h' line='51' column='1' elf-symbol-id='__tracepoint_android_vh_typec_store_partner_src_caps'/>
+ <var-decl name='__tracepoint_android_vh_typec_tcpci_override_toggling' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpci_override_toggling' visibility='default' filepath='include/trace/hooks/typec.h' line='28' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpci_override_toggling'/>
+ <var-decl name='__tracepoint_android_vh_typec_tcpm_adj_current_limit' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpm_adj_current_limit' visibility='default' filepath='include/trace/hooks/typec.h' line='56' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpm_adj_current_limit'/>
+ <var-decl name='__tracepoint_android_vh_typec_tcpm_get_timer' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpm_get_timer' visibility='default' filepath='include/trace/hooks/typec.h' line='47' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpm_get_timer'/>
+ <var-decl name='__tracepoint_android_vh_typec_tcpm_log' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_typec_tcpm_log' visibility='default' filepath='include/trace/hooks/typec.h' line='61' column='1' elf-symbol-id='__tracepoint_android_vh_typec_tcpm_log'/>
+ <var-decl name='__tracepoint_android_vh_ufs_check_int_errors' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_check_int_errors' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='57' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_check_int_errors'/>
+ <var-decl name='__tracepoint_android_vh_ufs_clock_scaling' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_clock_scaling' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='66' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_clock_scaling'/>
+ <var-decl name='__tracepoint_android_vh_ufs_compl_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_compl_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='43' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_compl_command'/>
+ <var-decl name='__tracepoint_android_vh_ufs_fill_prdt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_fill_prdt' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='17' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_fill_prdt'/>
+ <var-decl name='__tracepoint_android_vh_ufs_prepare_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_prepare_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='30' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_prepare_command'/>
+ <var-decl name='__tracepoint_android_vh_ufs_send_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_send_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='39' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_send_command'/>
+ <var-decl name='__tracepoint_android_vh_ufs_send_tm_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_send_tm_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='53' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_send_tm_command'/>
+ <var-decl name='__tracepoint_android_vh_ufs_send_uic_command' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_send_uic_command' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='48' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_send_uic_command'/>
+ <var-decl name='__tracepoint_android_vh_ufs_update_sdev' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_update_sdev' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='62' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_update_sdev'/>
+ <var-decl name='__tracepoint_android_vh_ufs_update_sysfs' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_ufs_update_sysfs' visibility='default' filepath='include/trace/hooks/ufshcd.h' line='35' column='1' elf-symbol-id='__tracepoint_android_vh_ufs_update_sysfs'/>
+ <var-decl name='__tracepoint_android_vh_update_topology_flags_workfn' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_update_topology_flags_workfn' visibility='default' filepath='include/trace/hooks/topology.h' line='19' column='1' elf-symbol-id='__tracepoint_android_vh_update_topology_flags_workfn'/>
+ <var-decl name='__tracepoint_android_vh_usb_dev_resume' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_usb_dev_resume' visibility='default' filepath='include/trace/hooks/usb.h' line='20' column='1' elf-symbol-id='__tracepoint_android_vh_usb_dev_resume'/>
+ <var-decl name='__tracepoint_android_vh_usb_dev_suspend' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_usb_dev_suspend' visibility='default' filepath='include/trace/hooks/usb.h' line='16' column='1' elf-symbol-id='__tracepoint_android_vh_usb_dev_suspend'/>
+ <var-decl name='__tracepoint_android_vh_v4l2subdev_set_fmt' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_v4l2subdev_set_fmt' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='36' column='1' elf-symbol-id='__tracepoint_android_vh_v4l2subdev_set_fmt'/>
+ <var-decl name='__tracepoint_android_vh_v4l2subdev_set_frame_interval' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_v4l2subdev_set_frame_interval' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='42' column='1' elf-symbol-id='__tracepoint_android_vh_v4l2subdev_set_frame_interval'/>
+ <var-decl name='__tracepoint_android_vh_v4l2subdev_set_selection' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_v4l2subdev_set_selection' visibility='default' filepath='include/trace/hooks/v4l2core.h' line='30' column='1' elf-symbol-id='__tracepoint_android_vh_v4l2subdev_set_selection'/>
+ <var-decl name='__tracepoint_android_vh_vmpressure' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_vmpressure' visibility='default' filepath='include/trace/hooks/mm.h' line='101' column='1' elf-symbol-id='__tracepoint_android_vh_vmpressure'/>
+ <var-decl name='__tracepoint_android_vh_watchdog_timer_softlockup' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_watchdog_timer_softlockup' visibility='default' filepath='include/trace/hooks/softlockup.h' line='15' column='1' elf-symbol-id='__tracepoint_android_vh_watchdog_timer_softlockup'/>
+ <var-decl name='__tracepoint_android_vh_wq_lockup_pool' type-id='4ca0c298' mangled-name='__tracepoint_android_vh_wq_lockup_pool' visibility='default' filepath='include/trace/hooks/wqlockup.h' line='14' column='1' elf-symbol-id='__tracepoint_android_vh_wq_lockup_pool'/>
+ <var-decl name='__tracepoint_binder_transaction_received' type-id='4ca0c298' mangled-name='__tracepoint_binder_transaction_received' visibility='default' filepath='drivers/android/./binder_trace.h' line='150' column='1' elf-symbol-id='__tracepoint_binder_transaction_received'/>
+ <var-decl name='__tracepoint_block_bio_complete' type-id='4ca0c298' mangled-name='__tracepoint_block_bio_complete' visibility='default' filepath='include/trace/events/block.h' line='276' column='1' elf-symbol-id='__tracepoint_block_bio_complete'/>
+ <var-decl name='__tracepoint_block_bio_queue' type-id='4ca0c298' mangled-name='__tracepoint_block_bio_queue' visibility='default' filepath='include/trace/events/block.h' line='371' column='1' elf-symbol-id='__tracepoint_block_bio_queue'/>
+ <var-decl name='__tracepoint_block_getrq' type-id='4ca0c298' mangled-name='__tracepoint_block_getrq' visibility='default' filepath='include/trace/events/block.h' line='437' column='1' elf-symbol-id='__tracepoint_block_getrq'/>
+ <var-decl name='__tracepoint_block_rq_complete' type-id='4ca0c298' mangled-name='__tracepoint_block_rq_complete' visibility='default' filepath='include/trace/events/block.h' line='116' column='1' elf-symbol-id='__tracepoint_block_rq_complete'/>
+ <var-decl name='__tracepoint_block_rq_insert' type-id='4ca0c298' mangled-name='__tracepoint_block_rq_insert' visibility='default' filepath='include/trace/events/block.h' line='192' column='1' elf-symbol-id='__tracepoint_block_rq_insert'/>
+ <var-decl name='__tracepoint_block_rq_issue' type-id='4ca0c298' mangled-name='__tracepoint_block_rq_issue' visibility='default' filepath='include/trace/events/block.h' line='207' column='1' elf-symbol-id='__tracepoint_block_rq_issue'/>
+ <var-decl name='__tracepoint_block_rq_merge' type-id='4ca0c298' mangled-name='__tracepoint_block_rq_merge' visibility='default' filepath='include/trace/events/block.h' line='222' column='1' elf-symbol-id='__tracepoint_block_rq_merge'/>
+ <var-decl name='__tracepoint_block_rq_requeue' type-id='4ca0c298' mangled-name='__tracepoint_block_rq_requeue' visibility='default' filepath='include/trace/events/block.h' line='74' column='1' elf-symbol-id='__tracepoint_block_rq_requeue'/>
+ <var-decl name='__tracepoint_block_split' type-id='4ca0c298' mangled-name='__tracepoint_block_split' visibility='default' filepath='include/trace/events/block.h' line='533' column='1' elf-symbol-id='__tracepoint_block_split'/>
+ <var-decl name='__tracepoint_clock_set_rate' type-id='4ca0c298' mangled-name='__tracepoint_clock_set_rate' visibility='default' filepath='include/trace/events/power.h' line='322' column='1' elf-symbol-id='__tracepoint_clock_set_rate'/>
+ <var-decl name='__tracepoint_cpu_frequency' type-id='4ca0c298' mangled-name='__tracepoint_cpu_frequency' visibility='default' filepath='include/trace/events/power.h' line='145' column='1' elf-symbol-id='__tracepoint_cpu_frequency'/>
+ <var-decl name='__tracepoint_cpu_frequency_limits' type-id='4ca0c298' mangled-name='__tracepoint_cpu_frequency_limits' visibility='default' filepath='include/trace/events/power.h' line='152' column='1' elf-symbol-id='__tracepoint_cpu_frequency_limits'/>
+ <var-decl name='__tracepoint_cpu_idle' type-id='4ca0c298' mangled-name='__tracepoint_cpu_idle' visibility='default' filepath='include/trace/events/power.h' line='36' column='1' elf-symbol-id='__tracepoint_cpu_idle'/>
+ <var-decl name='__tracepoint_device_pm_callback_end' type-id='4ca0c298' mangled-name='__tracepoint_device_pm_callback_end' visibility='default' filepath='include/trace/events/power.h' line='204' column='1' elf-symbol-id='__tracepoint_device_pm_callback_end'/>
+ <var-decl name='__tracepoint_device_pm_callback_start' type-id='4ca0c298' mangled-name='__tracepoint_device_pm_callback_start' visibility='default' filepath='include/trace/events/power.h' line='176' column='1' elf-symbol-id='__tracepoint_device_pm_callback_start'/>
+ <var-decl name='__tracepoint_dma_fence_emit' type-id='4ca0c298' mangled-name='__tracepoint_dma_fence_emit' visibility='default' filepath='include/trace/events/dma_fence.h' line='37' column='1' elf-symbol-id='__tracepoint_dma_fence_emit'/>
+ <var-decl name='__tracepoint_dwc3_complete_trb' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_complete_trb' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='285' column='1' elf-symbol-id='__tracepoint_dwc3_complete_trb'/>
+ <var-decl name='__tracepoint_dwc3_ctrl_req' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_ctrl_req' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='96' column='1' elf-symbol-id='__tracepoint_dwc3_ctrl_req'/>
+ <var-decl name='__tracepoint_dwc3_ep_queue' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_ep_queue' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='143' column='1' elf-symbol-id='__tracepoint_dwc3_ep_queue'/>
+ <var-decl name='__tracepoint_dwc3_event' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_event' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='66' column='1' elf-symbol-id='__tracepoint_dwc3_event'/>
+ <var-decl name='__tracepoint_dwc3_readl' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_readl' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='39' column='1' elf-symbol-id='__tracepoint_dwc3_readl'/>
+ <var-decl name='__tracepoint_dwc3_writel' type-id='4ca0c298' mangled-name='__tracepoint_dwc3_writel' visibility='default' filepath='drivers/usb/dwc3/./trace.h' line='44' column='1' elf-symbol-id='__tracepoint_dwc3_writel'/>
+ <var-decl name='__tracepoint_gpu_mem_total' type-id='4ca0c298' mangled-name='__tracepoint_gpu_mem_total' visibility='default' filepath='include/trace/events/gpu_mem.h' line='30' column='1' elf-symbol-id='__tracepoint_gpu_mem_total'/>
+ <var-decl name='__tracepoint_hrtimer_expire_entry' type-id='4ca0c298' mangled-name='__tracepoint_hrtimer_expire_entry' visibility='default' filepath='include/trace/events/timer.h' line='232' column='1' elf-symbol-id='__tracepoint_hrtimer_expire_entry'/>
+ <var-decl name='__tracepoint_hrtimer_expire_exit' type-id='4ca0c298' mangled-name='__tracepoint_hrtimer_expire_exit' visibility='default' filepath='include/trace/events/timer.h' line='279' column='1' elf-symbol-id='__tracepoint_hrtimer_expire_exit'/>
+ <var-decl name='__tracepoint_ipi_entry' type-id='4ca0c298' mangled-name='__tracepoint_ipi_entry' visibility='default' filepath='include/trace/events/ipi.h' line='64' column='1' elf-symbol-id='__tracepoint_ipi_entry'/>
+ <var-decl name='__tracepoint_ipi_exit' type-id='4ca0c298' mangled-name='__tracepoint_ipi_exit' visibility='default' filepath='include/trace/events/ipi.h' line='80' column='1' elf-symbol-id='__tracepoint_ipi_exit'/>
+ <var-decl name='__tracepoint_ipi_raise' type-id='4ca0c298' mangled-name='__tracepoint_ipi_raise' visibility='default' filepath='include/trace/events/ipi.h' line='19' column='1' elf-symbol-id='__tracepoint_ipi_raise'/>
+ <var-decl name='__tracepoint_irq_handler_entry' type-id='4ca0c298' mangled-name='__tracepoint_irq_handler_entry' visibility='default' filepath='include/trace/events/irq.h' line='53' column='1' elf-symbol-id='__tracepoint_irq_handler_entry'/>
+ <var-decl name='__tracepoint_irq_handler_exit' type-id='4ca0c298' mangled-name='__tracepoint_irq_handler_exit' visibility='default' filepath='include/trace/events/irq.h' line='83' column='1' elf-symbol-id='__tracepoint_irq_handler_exit'/>
+ <var-decl name='__tracepoint_mm_vmscan_direct_reclaim_begin' type-id='4ca0c298' mangled-name='__tracepoint_mm_vmscan_direct_reclaim_begin' visibility='default' filepath='include/trace/events/vmscan.h' line='122' column='1' elf-symbol-id='__tracepoint_mm_vmscan_direct_reclaim_begin'/>
+ <var-decl name='__tracepoint_mm_vmscan_direct_reclaim_end' type-id='4ca0c298' mangled-name='__tracepoint_mm_vmscan_direct_reclaim_end' visibility='default' filepath='include/trace/events/vmscan.h' line='162' column='1' elf-symbol-id='__tracepoint_mm_vmscan_direct_reclaim_end'/>
+ <var-decl name='__tracepoint_pelt_cfs_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_cfs_tp' visibility='default' filepath='include/trace/events/sched.h' line='636' column='1' elf-symbol-id='__tracepoint_pelt_cfs_tp'/>
+ <var-decl name='__tracepoint_pelt_dl_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_dl_tp' visibility='default' filepath='include/trace/events/sched.h' line='644' column='1' elf-symbol-id='__tracepoint_pelt_dl_tp'/>
+ <var-decl name='__tracepoint_pelt_irq_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_irq_tp' visibility='default' filepath='include/trace/events/sched.h' line='652' column='1' elf-symbol-id='__tracepoint_pelt_irq_tp'/>
+ <var-decl name='__tracepoint_pelt_rt_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_rt_tp' visibility='default' filepath='include/trace/events/sched.h' line='640' column='1' elf-symbol-id='__tracepoint_pelt_rt_tp'/>
+ <var-decl name='__tracepoint_pelt_se_tp' type-id='4ca0c298' mangled-name='__tracepoint_pelt_se_tp' visibility='default' filepath='include/trace/events/sched.h' line='656' column='1' elf-symbol-id='__tracepoint_pelt_se_tp'/>
+ <var-decl name='__tracepoint_rwmmio_post_read' type-id='4ca0c298' mangled-name='__tracepoint_rwmmio_post_read' visibility='default' filepath='include/trace/events/rwmmio.h' line='59' column='1' elf-symbol-id='__tracepoint_rwmmio_post_read'/>
+ <var-decl name='__tracepoint_rwmmio_read' type-id='4ca0c298' mangled-name='__tracepoint_rwmmio_read' visibility='default' filepath='include/trace/events/rwmmio.h' line='37' column='1' elf-symbol-id='__tracepoint_rwmmio_read'/>
+ <var-decl name='__tracepoint_rwmmio_write' type-id='4ca0c298' mangled-name='__tracepoint_rwmmio_write' visibility='default' filepath='include/trace/events/rwmmio.h' line='13' column='1' elf-symbol-id='__tracepoint_rwmmio_write'/>
+ <var-decl name='__tracepoint_sched_cpu_capacity_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_cpu_capacity_tp' visibility='default' filepath='include/trace/events/sched.h' line='660' column='1' elf-symbol-id='__tracepoint_sched_cpu_capacity_tp'/>
+ <var-decl name='__tracepoint_sched_overutilized_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_overutilized_tp' visibility='default' filepath='include/trace/events/sched.h' line='664' column='1' elf-symbol-id='__tracepoint_sched_overutilized_tp'/>
+ <var-decl name='__tracepoint_sched_stat_blocked' type-id='4ca0c298' mangled-name='__tracepoint_sched_stat_blocked' visibility='default' filepath='include/trace/events/sched.h' line='404' column='1' elf-symbol-id='__tracepoint_sched_stat_blocked'/>
+ <var-decl name='__tracepoint_sched_stat_iowait' type-id='4ca0c298' mangled-name='__tracepoint_sched_stat_iowait' visibility='default' filepath='include/trace/events/sched.h' line='397' column='1' elf-symbol-id='__tracepoint_sched_stat_iowait'/>
+ <var-decl name='__tracepoint_sched_stat_runtime' type-id='4ca0c298' mangled-name='__tracepoint_sched_stat_runtime' visibility='default' filepath='include/trace/events/sched.h' line='462' column='1' elf-symbol-id='__tracepoint_sched_stat_runtime'/>
+ <var-decl name='__tracepoint_sched_stat_sleep' type-id='4ca0c298' mangled-name='__tracepoint_sched_stat_sleep' visibility='default' filepath='include/trace/events/sched.h' line='389' column='1' elf-symbol-id='__tracepoint_sched_stat_sleep'/>
+ <var-decl name='__tracepoint_sched_stat_wait' type-id='4ca0c298' mangled-name='__tracepoint_sched_stat_wait' visibility='default' filepath='include/trace/events/sched.h' line='381' column='1' elf-symbol-id='__tracepoint_sched_stat_wait'/>
+ <var-decl name='__tracepoint_sched_switch' type-id='4ca0c298' mangled-name='__tracepoint_sched_switch' visibility='default' filepath='include/trace/events/sched.h' line='138' column='1' elf-symbol-id='__tracepoint_sched_switch'/>
+ <var-decl name='__tracepoint_sched_update_nr_running_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_update_nr_running_tp' visibility='default' filepath='include/trace/events/sched.h' line='676' column='1' elf-symbol-id='__tracepoint_sched_update_nr_running_tp'/>
+ <var-decl name='__tracepoint_sched_util_est_cfs_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_util_est_cfs_tp' visibility='default' filepath='include/trace/events/sched.h' line='668' column='1' elf-symbol-id='__tracepoint_sched_util_est_cfs_tp'/>
+ <var-decl name='__tracepoint_sched_util_est_se_tp' type-id='4ca0c298' mangled-name='__tracepoint_sched_util_est_se_tp' visibility='default' filepath='include/trace/events/sched.h' line='672' column='1' elf-symbol-id='__tracepoint_sched_util_est_se_tp'/>
+ <var-decl name='__tracepoint_sched_waking' type-id='4ca0c298' mangled-name='__tracepoint_sched_waking' visibility='default' filepath='include/trace/events/sched.h' line='88' column='1' elf-symbol-id='__tracepoint_sched_waking'/>
+ <var-decl name='__tracepoint_suspend_resume' type-id='4ca0c298' mangled-name='__tracepoint_suspend_resume' visibility='default' filepath='include/trace/events/power.h' line='226' column='1' elf-symbol-id='__tracepoint_suspend_resume'/>
+ <var-decl name='__tracepoint_task_newtask' type-id='4ca0c298' mangled-name='__tracepoint_task_newtask' visibility='default' filepath='include/trace/events/task.h' line='9' column='1' elf-symbol-id='__tracepoint_task_newtask'/>
+ <var-decl name='__tracepoint_task_rename' type-id='4ca0c298' mangled-name='__tracepoint_task_rename' visibility='default' filepath='include/trace/events/task.h' line='34' column='1' elf-symbol-id='__tracepoint_task_rename'/>
+ <var-decl name='__tracepoint_usb_gadget_connect' type-id='4ca0c298' mangled-name='__tracepoint_usb_gadget_connect' visibility='default' filepath='drivers/usb/gadget/udc/./trace.h' line='119' column='1' elf-symbol-id='__tracepoint_usb_gadget_connect'/>
+ <var-decl name='__tracepoint_usb_gadget_disconnect' type-id='4ca0c298' mangled-name='__tracepoint_usb_gadget_disconnect' visibility='default' filepath='drivers/usb/gadget/udc/./trace.h' line='124' column='1' elf-symbol-id='__tracepoint_usb_gadget_disconnect'/>
+ <var-decl name='__tracepoint_workqueue_execute_end' type-id='4ca0c298' mangled-name='__tracepoint_workqueue_execute_end' visibility='default' filepath='include/trace/events/workqueue.h' line='108' column='1' elf-symbol-id='__tracepoint_workqueue_execute_end'/>
+ <var-decl name='__tracepoint_workqueue_execute_start' type-id='4ca0c298' mangled-name='__tracepoint_workqueue_execute_start' visibility='default' filepath='include/trace/events/workqueue.h' line='82' column='1' elf-symbol-id='__tracepoint_workqueue_execute_start'/>
+ <var-decl name='__tracepoint_xdp_exception' type-id='4ca0c298' mangled-name='__tracepoint_xdp_exception' visibility='default' filepath='include/trace/events/xdp.h' line='28' column='1' elf-symbol-id='__tracepoint_xdp_exception'/>
+ <var-decl name='__tracepoint_xhci_urb_giveback' type-id='4ca0c298' mangled-name='__tracepoint_xhci_urb_giveback' visibility='default' filepath='drivers/usb/host/./xhci-trace.h' line='307' column='1' elf-symbol-id='__tracepoint_xhci_urb_giveback'/>
+ <function-decl name='__tty_alloc_driver' mangled-name='__tty_alloc_driver' filepath='drivers/tty/tty_io.c' line='3299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tty_alloc_driver'>
+ <parameter type-id='f0981eeb' name='lines' filepath='drivers/tty/tty_io.c' line='3299' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/tty/tty_io.c' line='3299' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/tty/tty_io.c' line='3300' column='1'/>
+ <return type-id='c2b4b27b'/>
+ </function-decl>
+ <function-decl name='__tty_insert_flip_char' mangled-name='__tty_insert_flip_char' filepath='drivers/tty/tty_buffer.c' line='379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__tty_insert_flip_char'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_buffer.c' line='379' column='1'/>
+ <parameter type-id='002ac4a6' name='ch' filepath='drivers/tty/tty_buffer.c' line='379' column='1'/>
+ <parameter type-id='a84c031d' name='flag' filepath='drivers/tty/tty_buffer.c' line='379' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__typec_altmode_register_driver' mangled-name='__typec_altmode_register_driver' filepath='drivers/usb/typec/bus.c' line='244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__typec_altmode_register_driver'>
+ <parameter type-id='e1932af2' name='drv' filepath='drivers/usb/typec/bus.c' line='244' column='1'/>
+ <parameter type-id='2730d015' name='module' filepath='drivers/usb/typec/bus.c' line='245' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__udelay' mangled-name='__udelay' filepath='arch/arm64/lib/delay.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__udelay'>
+ <parameter type-id='7359adad' name='usecs' filepath='arch/arm64/lib/delay.c' line='49' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__uio_register_device' mangled-name='__uio_register_device' filepath='drivers/uio/uio.c' line='916' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__uio_register_device'>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/uio/uio.c' line='916' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/uio/uio.c' line='917' column='1'/>
+ <parameter type-id='fb1092f1' name='info' filepath='drivers/uio/uio.c' line='918' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__unregister_chrdev' mangled-name='__unregister_chrdev' filepath='fs/char_dev.c' line='335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__unregister_chrdev'>
+ <parameter type-id='f0981eeb' name='major' filepath='fs/char_dev.c' line='335' column='1'/>
+ <parameter type-id='f0981eeb' name='baseminor' filepath='fs/char_dev.c' line='335' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='336' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='336' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__update_load_avg_blocked_se' mangled-name='__update_load_avg_blocked_se' filepath='kernel/sched/pelt.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__update_load_avg_blocked_se'>
+ <parameter type-id='91ce1af9' name='now' filepath='kernel/sched/pelt.c' line='358' column='1'/>
+ <parameter type-id='ff2b3d10' name='se' filepath='kernel/sched/pelt.c' line='358' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__usb_create_hcd' mangled-name='__usb_create_hcd' filepath='drivers/usb/core/hcd.c' line='2416' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__usb_create_hcd'>
+ <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd.c' line='2416' column='1'/>
+ <parameter type-id='fa0b179b' name='sysdev' filepath='drivers/usb/core/hcd.c' line='2417' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/core/hcd.c' line='2417' column='1'/>
+ <parameter type-id='80f4b756' name='bus_name' filepath='drivers/usb/core/hcd.c' line='2417' column='1'/>
+ <parameter type-id='fc4f83c1' name='primary_hcd' filepath='drivers/usb/core/hcd.c' line='2418' column='1'/>
+ <return type-id='fc4f83c1'/>
+ </function-decl>
+ <function-decl name='__usb_get_extra_descriptor' mangled-name='__usb_get_extra_descriptor' filepath='drivers/usb/core/usb.c' line='872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__usb_get_extra_descriptor'>
+ <parameter type-id='26a90f95' name='buffer' filepath='drivers/usb/core/usb.c' line='872' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='drivers/usb/core/usb.c' line='872' column='1'/>
+ <parameter type-id='002ac4a6' name='type' filepath='drivers/usb/core/usb.c' line='873' column='1'/>
+ <parameter type-id='63e171df' name='ptr' filepath='drivers/usb/core/usb.c' line='873' column='1'/>
+ <parameter type-id='b59d7dce' name='minsize' filepath='drivers/usb/core/usb.c' line='873' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__usecs_to_jiffies' mangled-name='__usecs_to_jiffies' filepath='kernel/time/time.c' line='563' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__usecs_to_jiffies'>
+ <parameter type-id='20f5f452' name='u' filepath='kernel/time/time.c' line='563' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='__v4l2_ctrl_modify_range' mangled-name='__v4l2_ctrl_modify_range' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_modify_range'>
+ <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4656' column='1'/>
+ <parameter type-id='9b7c55ef' name='min' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+ <parameter type-id='9b7c55ef' name='max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+ <parameter type-id='91ce1af9' name='step' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+ <parameter type-id='9b7c55ef' name='def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4657' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__v4l2_ctrl_s_ctrl' mangled-name='__v4l2_ctrl_s_ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_s_ctrl'>
+ <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4433' column='1'/>
+ <parameter type-id='a7832498' name='val' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4433' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__v4l2_ctrl_s_ctrl_compound' mangled-name='__v4l2_ctrl_s_ctrl_compound' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4469' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_s_ctrl_compound'>
+ <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4469' column='1'/>
+ <parameter type-id='cf13dc99' name='type' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4470' column='1'/>
+ <parameter type-id='eaa32e2f' name='p' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4470' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__v4l2_ctrl_s_ctrl_int64' mangled-name='__v4l2_ctrl_s_ctrl_int64' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4445' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_ctrl_s_ctrl_int64'>
+ <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4445' column='1'/>
+ <parameter type-id='9b7c55ef' name='val' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4445' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__v4l2_device_register_subdev_nodes' mangled-name='__v4l2_device_register_subdev_nodes' filepath='drivers/media/v4l2-core/v4l2-device.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_device_register_subdev_nodes'>
+ <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='189' column='1'/>
+ <parameter type-id='b50a4934' name='read_only' filepath='drivers/media/v4l2-core/v4l2-device.c' line='190' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__v4l2_find_nearest_size' mangled-name='__v4l2_find_nearest_size' filepath='drivers/media/v4l2-core/v4l2-common.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__v4l2_find_nearest_size'>
+ <parameter type-id='eaa32e2f' name='array' filepath='drivers/media/v4l2-core/v4l2-common.c' line='157' column='1'/>
+ <parameter type-id='b59d7dce' name='array_size' filepath='drivers/media/v4l2-core/v4l2-common.c' line='157' column='1'/>
+ <parameter type-id='b59d7dce' name='entry_size' filepath='drivers/media/v4l2-core/v4l2-common.c' line='158' column='1'/>
+ <parameter type-id='b59d7dce' name='width_offset' filepath='drivers/media/v4l2-core/v4l2-common.c' line='158' column='1'/>
+ <parameter type-id='b59d7dce' name='height_offset' filepath='drivers/media/v4l2-core/v4l2-common.c' line='159' column='1'/>
+ <parameter type-id='a7832498' name='width' filepath='drivers/media/v4l2-core/v4l2-common.c' line='159' column='1'/>
+ <parameter type-id='a7832498' name='height' filepath='drivers/media/v4l2-core/v4l2-common.c' line='159' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__video_register_device' mangled-name='__video_register_device' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__video_register_device'>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='876' column='1'/>
+ <parameter type-id='24df61b5' name='type' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='877' column='1'/>
+ <parameter type-id='95e97e5e' name='nr' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='878' column='1'/>
+ <parameter type-id='95e97e5e' name='warn_if_nr_in_use' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='878' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='879' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__vmalloc' mangled-name='__vmalloc' filepath='mm/vmalloc.c' line='2620' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__vmalloc'>
+ <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2620' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/vmalloc.c' line='2620' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='__wait_on_buffer' mangled-name='__wait_on_buffer' filepath='fs/buffer.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wait_on_buffer'>
+ <parameter type-id='c485c22c' name='bh' filepath='fs/buffer.c' line='120' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='95e97e5e' name='n' filepath='kernel/rcu/update.c' line='369' column='1'/>
+ <parameter type-id='c7432356' name='crcu_array' filepath='kernel/rcu/update.c' line='369' column='1'/>
+ <parameter type-id='cbba2082' name='rs_array' filepath='kernel/rcu/update.c' line='370' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='141' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='95e97e5e' name='nr' filepath='kernel/sched/wait.c' line='150' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__wake_up_locked_key' mangled-name='__wake_up_locked_key' filepath='kernel/sched/wait.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wake_up_locked_key'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='156' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='156' column='1'/>
+ <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='156' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__wake_up_sync' mangled-name='__wake_up_sync' filepath='kernel/sched/wait.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wake_up_sync'>
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+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='224' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__wake_up_sync_key' mangled-name='__wake_up_sync_key' filepath='kernel/sched/wait.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__wake_up_sync_key'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='185' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='185' column='1'/>
+ <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='186' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='__warn_printk' mangled-name='__warn_printk' filepath='kernel/panic.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__warn_printk'>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/panic.c' line='640' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='f9409001' name='id' filepath='lib/xarray.c' line='1804' column='1'/>
+ <parameter type-id='eaa32e2f' name='entry' filepath='lib/xarray.c' line='1804' column='1'/>
+ <parameter type-id='5066733a' name='limit' filepath='lib/xarray.c' line='1805' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/xarray.c' line='1805' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1635' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1635' column='1'/>
+ <parameter type-id='eaa32e2f' name='entry' filepath='lib/xarray.c' line='1635' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/xarray.c' line='1635' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__xfrm_decode_session' mangled-name='__xfrm_decode_session' filepath='net/xfrm/xfrm_policy.c' line='3486' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__xfrm_decode_session'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/xfrm/xfrm_policy.c' line='3486' column='1'/>
+ <parameter type-id='b1fd62ba' name='fl' filepath='net/xfrm/xfrm_policy.c' line='3486' column='1'/>
+ <parameter type-id='f0981eeb' name='family' filepath='net/xfrm/xfrm_policy.c' line='3487' column='1'/>
+ <parameter type-id='95e97e5e' name='reverse' filepath='net/xfrm/xfrm_policy.c' line='3487' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='__xfrm_state_destroy' mangled-name='__xfrm_state_destroy' filepath='net/xfrm/xfrm_state.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='__xfrm_state_destroy'>
+ <parameter type-id='328dda6e' name='x' filepath='net/xfrm/xfrm_state.c' line='640' column='1'/>
+ <parameter type-id='b50a4934' name='sync' filepath='net/xfrm/xfrm_state.c' line='640' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_atomic_dec_and_lock' mangled-name='_atomic_dec_and_lock' filepath='lib/dec_and_lock.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_atomic_dec_and_lock'>
+ <parameter type-id='8a47abc3' name='atomic' filepath='lib/dec_and_lock.c' line='21' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='lib/dec_and_lock.c' line='21' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='_bcd2bin' mangled-name='_bcd2bin' filepath='lib/bcd.c' line='5' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_bcd2bin'>
+ <parameter type-id='002ac4a6' name='val' filepath='lib/bcd.c' line='5' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='_bin2bcd' mangled-name='_bin2bcd' filepath='lib/bcd.c' line='11' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_bin2bcd'>
+ <parameter type-id='f0981eeb' name='val' filepath='lib/bcd.c' line='11' column='1'/>
+ <return type-id='002ac4a6'/>
+ </function-decl>
+ <function-decl name='_copy_from_iter' mangled-name='_copy_from_iter' filepath='lib/iov_iter.c' line='765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_copy_from_iter'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='lib/iov_iter.c' line='765' column='1'/>
+ <parameter type-id='b59d7dce' name='bytes' filepath='lib/iov_iter.c' line='765' column='1'/>
+ <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='765' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='_copy_from_iter_full' mangled-name='_copy_from_iter_full' filepath='lib/iov_iter.c' line='785' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_copy_from_iter_full'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='lib/iov_iter.c' line='785' column='1'/>
+ <parameter type-id='b59d7dce' name='bytes' filepath='lib/iov_iter.c' line='785' column='1'/>
+ <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='785' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='_copy_to_iter' mangled-name='_copy_to_iter' filepath='lib/iov_iter.c' line='630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_copy_to_iter'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='lib/iov_iter.c' line='630' column='1'/>
+ <parameter type-id='b59d7dce' name='bytes' filepath='lib/iov_iter.c' line='630' column='1'/>
+ <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='630' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='_dev_alert' mangled-name='_dev_alert' filepath='drivers/base/core.c' line='4497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_alert'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4497' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4497' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_dev_crit' mangled-name='_dev_crit' filepath='drivers/base/core.c' line='4498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_crit'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4498' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4498' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_dev_emerg' mangled-name='_dev_emerg' filepath='drivers/base/core.c' line='4496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_emerg'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4496' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4496' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_dev_err' mangled-name='_dev_err' filepath='drivers/base/core.c' line='4499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_err'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4499' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4499' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_dev_info' mangled-name='_dev_info' filepath='drivers/base/core.c' line='4502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_info'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4502' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4502' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_dev_notice' mangled-name='_dev_notice' filepath='drivers/base/core.c' line='4501' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_notice'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4501' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4501' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_dev_warn' mangled-name='_dev_warn' filepath='drivers/base/core.c' line='4500' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_dev_warn'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4500' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4500' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_kstrtoul' mangled-name='_kstrtoul' filepath='lib/kstrtox.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_kstrtoul'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='175' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='175' column='1'/>
+ <parameter type-id='1d2c2b85' name='res' filepath='lib/kstrtox.c' line='175' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='_raw_read_lock' mangled-name='_raw_read_lock' filepath='kernel/locking/spinlock.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='221' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_read_lock_bh' mangled-name='_raw_read_lock_bh' filepath='kernel/locking/spinlock.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock_bh'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='245' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_read_lock_irq' mangled-name='_raw_read_lock_irq' filepath='kernel/locking/spinlock.c' line='237' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock_irq'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='237' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_read_lock_irqsave' mangled-name='_raw_read_lock_irqsave' filepath='kernel/locking/spinlock.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_lock_irqsave'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='229' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='_raw_read_trylock' mangled-name='_raw_read_trylock' filepath='kernel/locking/spinlock.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_trylock'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='213' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='_raw_read_unlock' mangled-name='_raw_read_unlock' filepath='kernel/locking/spinlock.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='253' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_read_unlock_bh' mangled-name='_raw_read_unlock_bh' filepath='kernel/locking/spinlock.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock_bh'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='277' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_read_unlock_irq' mangled-name='_raw_read_unlock_irq' filepath='kernel/locking/spinlock.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock_irq'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='269' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_read_unlock_irqrestore' mangled-name='_raw_read_unlock_irqrestore' filepath='kernel/locking/spinlock.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_read_unlock_irqrestore'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='261' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/locking/spinlock.c' line='261' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_spin_lock' mangled-name='_raw_spin_lock' filepath='kernel/locking/spinlock.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='149' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_spin_lock_bh' mangled-name='_raw_spin_lock_bh' filepath='kernel/locking/spinlock.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock_bh'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='173' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_spin_lock_irq' mangled-name='_raw_spin_lock_irq' filepath='kernel/locking/spinlock.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock_irq'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='165' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_spin_lock_irqsave' mangled-name='_raw_spin_lock_irqsave' filepath='kernel/locking/spinlock.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_lock_irqsave'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='157' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='_raw_spin_trylock' mangled-name='_raw_spin_trylock' filepath='kernel/locking/spinlock.c' line='133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_trylock'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='133' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='_raw_spin_trylock_bh' mangled-name='_raw_spin_trylock_bh' filepath='kernel/locking/spinlock.c' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_trylock_bh'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='141' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='_raw_spin_unlock' mangled-name='_raw_spin_unlock' filepath='kernel/locking/spinlock.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='181' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_spin_unlock_bh' mangled-name='_raw_spin_unlock_bh' filepath='kernel/locking/spinlock.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock_bh'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='205' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_spin_unlock_irq' mangled-name='_raw_spin_unlock_irq' filepath='kernel/locking/spinlock.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock_irq'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='197' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_spin_unlock_irqrestore' mangled-name='_raw_spin_unlock_irqrestore' filepath='kernel/locking/spinlock.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_spin_unlock_irqrestore'>
+ <parameter type-id='704982b4' name='lock' filepath='kernel/locking/spinlock.c' line='189' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/locking/spinlock.c' line='189' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_write_lock' mangled-name='_raw_write_lock' filepath='kernel/locking/spinlock.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='293' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_write_lock_bh' mangled-name='_raw_write_lock_bh' filepath='kernel/locking/spinlock.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock_bh'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='317' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_write_lock_irq' mangled-name='_raw_write_lock_irq' filepath='kernel/locking/spinlock.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock_irq'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='309' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_write_lock_irqsave' mangled-name='_raw_write_lock_irqsave' filepath='kernel/locking/spinlock.c' line='301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_lock_irqsave'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='301' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='_raw_write_trylock' mangled-name='_raw_write_trylock' filepath='kernel/locking/spinlock.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_trylock'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='285' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='_raw_write_unlock' mangled-name='_raw_write_unlock' filepath='kernel/locking/spinlock.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='325' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_write_unlock_bh' mangled-name='_raw_write_unlock_bh' filepath='kernel/locking/spinlock.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock_bh'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='349' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_write_unlock_irq' mangled-name='_raw_write_unlock_irq' filepath='kernel/locking/spinlock.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock_irq'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='341' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_raw_write_unlock_irqrestore' mangled-name='_raw_write_unlock_irqrestore' filepath='kernel/locking/spinlock.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_raw_write_unlock_irqrestore'>
+ <parameter type-id='6a6de1b0' name='lock' filepath='kernel/locking/spinlock.c' line='333' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/locking/spinlock.c' line='333' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='_snd_ctl_add_follower' mangled-name='_snd_ctl_add_follower' filepath='sound/core/vmaster.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_snd_ctl_add_follower'>
+ <parameter type-id='7a5054b7' name='master' filepath='sound/core/vmaster.c' line='252' column='1'/>
+ <parameter type-id='7a5054b7' name='follower' filepath='sound/core/vmaster.c' line='253' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='sound/core/vmaster.c' line='254' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='_snd_pcm_stream_lock_irqsave' mangled-name='_snd_pcm_stream_lock_irqsave' filepath='sound/core/pcm_native.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_snd_pcm_stream_lock_irqsave'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='164' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <var-decl name='_totalram_pages' type-id='f22a8abb' mangled-name='_totalram_pages' visibility='default' filepath='mm/page_alloc.c' line='174' column='1' elf-symbol-id='_totalram_pages'/>
+ <function-decl name='_vb2_fop_release' mangled-name='_vb2_fop_release' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='_vb2_fop_release'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1109' column='1'/>
+ <parameter type-id='e0ea832a' name='lock' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1109' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='access_process_vm' mangled-name='access_process_vm' filepath='mm/memory.c' line='5562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='access_process_vm'>
+ <parameter type-id='f23e2572' name='tsk' filepath='mm/memory.c' line='5562' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='5562' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='mm/memory.c' line='5563' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='mm/memory.c' line='5563' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/memory.c' line='5563' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ack_all_badblocks' mangled-name='ack_all_badblocks' filepath='block/badblocks.c' line='433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ack_all_badblocks'>
+ <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='433' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='activate_task' mangled-name='activate_task' filepath='kernel/sched/core.c' line='1683' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='activate_task'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='1683' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1683' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='kernel/sched/core.c' line='1683' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='add_cpu' mangled-name='add_cpu' filepath='kernel/cpu.c' line='1652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_cpu'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='kernel/cpu.c' line='1652' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='add_device_randomness' mangled-name='add_device_randomness' filepath='drivers/char/random.c' line='1124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_device_randomness'>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/char/random.c' line='1124' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='drivers/char/random.c' line='1124' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='add_memory' mangled-name='add_memory' filepath='mm/memory_hotplug.c' line='1121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_memory'>
+ <parameter type-id='95e97e5e' name='nid' filepath='mm/memory_hotplug.c' line='1121' column='1'/>
+ <parameter type-id='91ce1af9' name='start' filepath='mm/memory_hotplug.c' line='1121' column='1'/>
+ <parameter type-id='91ce1af9' name='size' filepath='mm/memory_hotplug.c' line='1121' column='1'/>
+ <parameter type-id='78ce2680' name='mhp_flags' filepath='mm/memory_hotplug.c' line='1121' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='add_memory_subsection' mangled-name='add_memory_subsection' filepath='mm/memory_hotplug.c' line='1133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_memory_subsection'>
+ <parameter type-id='95e97e5e' name='nid' filepath='mm/memory_hotplug.c' line='1133' column='1'/>
+ <parameter type-id='91ce1af9' name='start' filepath='mm/memory_hotplug.c' line='1133' column='1'/>
+ <parameter type-id='91ce1af9' name='size' filepath='mm/memory_hotplug.c' line='1133' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='add_random_ready_callback' mangled-name='add_random_ready_callback' filepath='drivers/char/random.c' line='1680' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_random_ready_callback'>
+ <parameter type-id='b47c553a' name='rdy' filepath='drivers/char/random.c' line='1680' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='add_taint' mangled-name='add_taint' filepath='kernel/panic.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_taint'>
+ <parameter type-id='f0981eeb' name='flag' filepath='kernel/panic.c' line='441' column='1'/>
+ <parameter type-id='5da9c47b' name='lockdep_ok' filepath='kernel/panic.c' line='441' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='add_timer' mangled-name='add_timer' filepath='kernel/time/timer.c' line='1147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_timer'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1147' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='add_timer_on' mangled-name='add_timer_on' filepath='kernel/time/timer.c' line='1161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_timer_on'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1161' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/timer.c' line='1161' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='add_uevent_var' mangled-name='add_uevent_var' filepath='lib/kobject_uevent.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_uevent_var'>
+ <parameter type-id='d9d65b21' name='env' filepath='lib/kobject_uevent.c' line='654' column='1'/>
+ <parameter type-id='80f4b756' name='format' filepath='lib/kobject_uevent.c' line='654' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='add_wait_queue' mangled-name='add_wait_queue' filepath='kernel/sched/wait.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='add_wait_queue'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='19' column='1'/>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='19' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='adjust_managed_page_count' mangled-name='adjust_managed_page_count' filepath='mm/page_alloc.c' line='7751' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='adjust_managed_page_count'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='7751' column='1'/>
+ <parameter type-id='bd54fe1a' name='count' filepath='mm/page_alloc.c' line='7751' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='aead_register_instance' mangled-name='aead_register_instance' filepath='crypto/aead.c' line='286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='aead_register_instance'>
+ <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/aead.c' line='286' column='1'/>
+ <parameter type-id='69bd57be' name='inst' filepath='crypto/aead.c' line='287' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='aes_decrypt' mangled-name='aes_decrypt' filepath='lib/crypto/aes.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='aes_decrypt'>
+ <parameter type-id='825271e7' name='ctx' filepath='lib/crypto/aes.c' line='324' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='lib/crypto/aes.c' line='324' column='1'/>
+ <parameter type-id='bbaf3419' name='in' filepath='lib/crypto/aes.c' line='324' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='aes_encrypt' mangled-name='aes_encrypt' filepath='lib/crypto/aes.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='aes_encrypt'>
+ <parameter type-id='825271e7' name='ctx' filepath='lib/crypto/aes.c' line='266' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='lib/crypto/aes.c' line='266' column='1'/>
+ <parameter type-id='bbaf3419' name='in' filepath='lib/crypto/aes.c' line='266' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='aes_expandkey' mangled-name='aes_expandkey' filepath='lib/crypto/aes.c' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='aes_expandkey'>
+ <parameter type-id='21370cb4' name='ctx' filepath='lib/crypto/aes.c' line='186' column='1'/>
+ <parameter type-id='bbaf3419' name='in_key' filepath='lib/crypto/aes.c' line='186' column='1'/>
+ <parameter type-id='f0981eeb' name='key_len' filepath='lib/crypto/aes.c' line='187' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ahash_register_instance' mangled-name='ahash_register_instance' filepath='crypto/ahash.c' line='632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ahash_register_instance'>
+ <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/ahash.c' line='632' column='1'/>
+ <parameter type-id='4e602d14' name='inst' filepath='crypto/ahash.c' line='633' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='alarm_cancel' mangled-name='alarm_cancel' filepath='kernel/time/alarmtimer.c' line='429' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_cancel'>
+ <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='429' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='alarm_init' mangled-name='alarm_init' filepath='kernel/time/alarmtimer.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_init'>
+ <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='342' column='1'/>
+ <parameter type-id='6b8d4b77' name='type' filepath='kernel/time/alarmtimer.c' line='342' column='1'/>
+ <parameter type-id='7432d5be' name='function' filepath='kernel/time/alarmtimer.c' line='343' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='alarm_start' mangled-name='alarm_start' filepath='kernel/time/alarmtimer.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_start'>
+ <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='356' column='1'/>
+ <parameter type-id='fbc017ef' name='start' filepath='kernel/time/alarmtimer.c' line='356' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='alarm_start_relative' mangled-name='alarm_start_relative' filepath='kernel/time/alarmtimer.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_start_relative'>
+ <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='376' column='1'/>
+ <parameter type-id='fbc017ef' name='start' filepath='kernel/time/alarmtimer.c' line='376' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='alarm_try_to_cancel' mangled-name='alarm_try_to_cancel' filepath='kernel/time/alarmtimer.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarm_try_to_cancel'>
+ <parameter type-id='be65fdd0' name='alarm' filepath='kernel/time/alarmtimer.c' line='405' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='alarmtimer_get_rtcdev' mangled-name='alarmtimer_get_rtcdev' filepath='kernel/time/alarmtimer.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alarmtimer_get_rtcdev'>
+ <return type-id='5992ae83'/>
+ </function-decl>
+ <function-decl name='all_vm_events' mangled-name='all_vm_events' filepath='mm/vmstat.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='all_vm_events'>
+ <parameter type-id='1d2c2b85' name='ret' filepath='mm/vmstat.c' line='131' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='alloc_anon_inode' mangled-name='alloc_anon_inode' filepath='fs/libfs.c' line='1217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_anon_inode'>
+ <parameter type-id='42c8f564' name='s' filepath='fs/libfs.c' line='1217' column='1'/>
+ <return type-id='7e666abe'/>
+ </function-decl>
+ <function-decl name='alloc_can_err_skb' mangled-name='alloc_can_err_skb' filepath='drivers/net/can/dev/dev.c' line='731' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_can_err_skb'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='731' column='1'/>
+ <parameter type-id='fb0c6b9f' name='cf' filepath='drivers/net/can/dev/dev.c' line='731' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='alloc_can_skb' mangled-name='alloc_can_skb' filepath='drivers/net/can/dev/dev.c' line='676' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_can_skb'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='676' column='1'/>
+ <parameter type-id='fb0c6b9f' name='cf' filepath='drivers/net/can/dev/dev.c' line='676' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='alloc_candev_mqs' mangled-name='alloc_candev_mqs' filepath='drivers/net/can/dev/dev.c' line='747' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_candev_mqs'>
+ <parameter type-id='95e97e5e' name='sizeof_priv' filepath='drivers/net/can/dev/dev.c' line='747' column='1'/>
+ <parameter type-id='f0981eeb' name='echo_skb_max' filepath='drivers/net/can/dev/dev.c' line='747' column='1'/>
+ <parameter type-id='f0981eeb' name='txqs' filepath='drivers/net/can/dev/dev.c' line='748' column='1'/>
+ <parameter type-id='f0981eeb' name='rxqs' filepath='drivers/net/can/dev/dev.c' line='748' column='1'/>
+ <return type-id='68a2d05b'/>
+ </function-decl>
+ <function-decl name='alloc_chrdev_region' mangled-name='alloc_chrdev_region' filepath='fs/char_dev.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_chrdev_region'>
+ <parameter type-id='33f86a47' name='dev' filepath='fs/char_dev.c' line='236' column='1'/>
+ <parameter type-id='f0981eeb' name='baseminor' filepath='fs/char_dev.c' line='236' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='236' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='237' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='alloc_etherdev_mqs' mangled-name='alloc_etherdev_mqs' filepath='net/ethernet/eth.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_etherdev_mqs'>
+ <parameter type-id='95e97e5e' name='sizeof_priv' filepath='net/ethernet/eth.c' line='395' column='1'/>
+ <parameter type-id='f0981eeb' name='txqs' filepath='net/ethernet/eth.c' line='395' column='1'/>
+ <parameter type-id='f0981eeb' name='rxqs' filepath='net/ethernet/eth.c' line='396' column='1'/>
+ <return type-id='68a2d05b'/>
+ </function-decl>
+ <function-decl name='alloc_io_pgtable_ops' mangled-name='alloc_io_pgtable_ops' filepath='drivers/iommu/io-pgtable.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_io_pgtable_ops'>
+ <parameter type-id='28637b68' name='fmt' filepath='drivers/iommu/io-pgtable.c' line='29' column='1'/>
+ <parameter type-id='a6481aea' name='cfg' filepath='drivers/iommu/io-pgtable.c' line='30' column='1'/>
+ <parameter type-id='eaa32e2f' name='cookie' filepath='drivers/iommu/io-pgtable.c' line='31' column='1'/>
+ <return type-id='bf4bdb64'/>
+ </function-decl>
+ <function-decl name='alloc_netdev_mqs' mangled-name='alloc_netdev_mqs' filepath='net/core/dev.c' line='10554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_netdev_mqs'>
+ <parameter type-id='95e97e5e' name='sizeof_priv' filepath='net/core/dev.c' line='10554' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='10554' column='1'/>
+ <parameter type-id='002ac4a6' name='name_assign_type' filepath='net/core/dev.c' line='10555' column='1'/>
+ <parameter type-id='548eee3a' name='setup' filepath='net/core/dev.c' line='10556' column='1'/>
+ <parameter type-id='f0981eeb' name='txqs' filepath='net/core/dev.c' line='10557' column='1'/>
+ <parameter type-id='f0981eeb' name='rxqs' filepath='net/core/dev.c' line='10557' column='1'/>
+ <return type-id='68a2d05b'/>
+ </function-decl>
+ <function-decl name='alloc_page_buffers' mangled-name='alloc_page_buffers' filepath='fs/buffer.c' line='839' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_page_buffers'>
+ <parameter type-id='02f11ed4' name='page' filepath='fs/buffer.c' line='839' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='fs/buffer.c' line='839' column='1'/>
+ <parameter type-id='b50a4934' name='retry' filepath='fs/buffer.c' line='840' column='1'/>
+ <return type-id='c485c22c'/>
+ </function-decl>
+ <function-decl name='alloc_pages_exact' mangled-name='alloc_pages_exact' filepath='mm/page_alloc.c' line='5333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_pages_exact'>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/page_alloc.c' line='5333' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/page_alloc.c' line='5333' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='alloc_skb_with_frags' mangled-name='alloc_skb_with_frags' filepath='net/core/skbuff.c' line='5877' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_skb_with_frags'>
+ <parameter type-id='7359adad' name='header_len' filepath='net/core/skbuff.c' line='5877' column='1'/>
+ <parameter type-id='7359adad' name='data_len' filepath='net/core/skbuff.c' line='5878' column='1'/>
+ <parameter type-id='95e97e5e' name='max_page_order' filepath='net/core/skbuff.c' line='5879' column='1'/>
+ <parameter type-id='7292109c' name='errcode' filepath='net/core/skbuff.c' line='5880' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='5881' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='alloc_workqueue' mangled-name='alloc_workqueue' filepath='kernel/workqueue.c' line='4271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='alloc_workqueue'>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/workqueue.c' line='4271' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='kernel/workqueue.c' line='4272' column='1'/>
+ <parameter type-id='95e97e5e' name='max_active' filepath='kernel/workqueue.c' line='4273' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='242e3d19'/>
+ </function-decl>
+ <var-decl name='amba_bustype' type-id='b31bfc8a' mangled-name='amba_bustype' visibility='default' filepath='drivers/amba/bus.c' line='215' column='1' elf-symbol-id='amba_bustype'/>
+ <function-decl name='amba_driver_register' mangled-name='amba_driver_register' filepath='drivers/amba/bus.c' line='335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_driver_register'>
+ <parameter type-id='6e829429' name='drv' filepath='drivers/amba/bus.c' line='335' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='amba_driver_unregister' mangled-name='amba_driver_unregister' filepath='drivers/amba/bus.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_driver_unregister'>
+ <parameter type-id='6e829429' name='drv' filepath='drivers/amba/bus.c' line='356' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='amba_release_regions' mangled-name='amba_release_regions' filepath='drivers/amba/bus.c' line='816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_release_regions'>
+ <parameter type-id='ddd322c1' name='dev' filepath='drivers/amba/bus.c' line='816' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='amba_request_regions' mangled-name='amba_request_regions' filepath='drivers/amba/bus.c' line='794' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='amba_request_regions'>
+ <parameter type-id='ddd322c1' name='dev' filepath='drivers/amba/bus.c' line='794' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/amba/bus.c' line='794' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='android_debug_for_each_module' mangled-name='android_debug_for_each_module' filepath='kernel/module.c' line='4796' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='android_debug_for_each_module'>
+ <parameter type-id='841286fc' name='fn' filepath='kernel/module.c' line='4796' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/module.c' line='4797' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='android_debug_per_cpu_symbol' mangled-name='android_debug_per_cpu_symbol' filepath='drivers/android/debug_symbols.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='android_debug_per_cpu_symbol'>
+ <parameter type-id='06dde89f' name='symbol' filepath='drivers/android/debug_symbols.c' line='110' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='android_debug_symbol' mangled-name='android_debug_symbol' filepath='drivers/android/debug_symbols.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='android_debug_symbol'>
+ <parameter type-id='9a7fd0a4' name='symbol' filepath='drivers/android/debug_symbols.c' line='93' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='android_rvh_probe_register' mangled-name='android_rvh_probe_register' filepath='kernel/tracepoint.c' line='862' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='android_rvh_probe_register'>
+ <parameter type-id='08e531de' name='tp' filepath='kernel/tracepoint.c' line='862' column='1'/>
+ <parameter type-id='eaa32e2f' name='probe' filepath='kernel/tracepoint.c' line='862' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/tracepoint.c' line='862' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='anon_inode_getfd' mangled-name='anon_inode_getfd' filepath='fs/anon_inodes.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='anon_inode_getfd'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/anon_inodes.c' line='197' column='1'/>
+ <parameter type-id='61758ee5' name='fops' filepath='fs/anon_inodes.c' line='197' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='fs/anon_inodes.c' line='198' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='fs/anon_inodes.c' line='198' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='anon_inode_getfile' mangled-name='anon_inode_getfile' filepath='fs/anon_inodes.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='anon_inode_getfile'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/anon_inodes.c' line='143' column='1'/>
+ <parameter type-id='61758ee5' name='fops' filepath='fs/anon_inodes.c' line='144' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='fs/anon_inodes.c' line='145' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='fs/anon_inodes.c' line='145' column='1'/>
+ <return type-id='77e79a4b'/>
+ </function-decl>
+ <function-decl name='arc4_crypt' mangled-name='arc4_crypt' filepath='lib/crypto/arc4.c' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='arc4_crypt'>
+ <parameter type-id='980c37b3' name='ctx' filepath='lib/crypto/arc4.c' line='37' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='lib/crypto/arc4.c' line='37' column='1'/>
+ <parameter type-id='bbaf3419' name='in' filepath='lib/crypto/arc4.c' line='37' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='lib/crypto/arc4.c' line='37' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='arc4_setkey' mangled-name='arc4_setkey' filepath='lib/crypto/arc4.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='arc4_setkey'>
+ <parameter type-id='980c37b3' name='ctx' filepath='lib/crypto/arc4.c' line='13' column='1'/>
+ <parameter type-id='bbaf3419' name='in_key' filepath='lib/crypto/arc4.c' line='13' column='1'/>
+ <parameter type-id='f0981eeb' name='key_len' filepath='lib/crypto/arc4.c' line='13' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='arch_mmap_rnd' mangled-name='arch_mmap_rnd' filepath='mm/util.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='arch_mmap_rnd'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <var-decl name='arch_timer_read_counter' type-id='0e70db3e' mangled-name='arch_timer_read_counter' visibility='default' filepath='drivers/clocksource/arm_arch_timer.c' line='179' column='1' elf-symbol-id='arch_timer_read_counter'/>
+ <function-decl name='argv_free' mangled-name='argv_free' filepath='lib/argv_split.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='argv_free'>
+ <parameter type-id='9b23c9ad' name='argv' filepath='lib/argv_split.c' line='35' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='argv_split' mangled-name='argv_split' filepath='lib/argv_split.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='argv_split'>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/argv_split.c' line='60' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='lib/argv_split.c' line='60' column='1'/>
+ <parameter type-id='7292109c' name='argcp' filepath='lib/argv_split.c' line='60' column='1'/>
+ <return type-id='9b23c9ad'/>
+ </function-decl>
+ <var-decl name='arm64_const_caps_ready' type-id='237c0d27' mangled-name='arm64_const_caps_ready' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='137' column='1' elf-symbol-id='arm64_const_caps_ready'/>
+ <var-decl name='arm64_use_ng_mappings' type-id='b50a4934' mangled-name='arm64_use_ng_mappings' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='107' column='1' elf-symbol-id='arm64_use_ng_mappings'/>
+ <var-decl name='arp_tbl' type-id='aebe1cff' mangled-name='arp_tbl' visibility='default' filepath='net/ipv4/arp.c' line='152' column='1' elf-symbol-id='arp_tbl'/>
+ <function-decl name='async_schedule_node' mangled-name='async_schedule_node' filepath='kernel/async.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='async_schedule_node'>
+ <parameter type-id='5c19cb0c' name='func' filepath='kernel/async.c' line='231' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/async.c' line='231' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='kernel/async.c' line='231' column='1'/>
+ <return type-id='a7465fe4'/>
+ </function-decl>
+ <function-decl name='async_schedule_node_domain' mangled-name='async_schedule_node_domain' filepath='kernel/async.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='async_schedule_node_domain'>
+ <parameter type-id='5c19cb0c' name='func' filepath='kernel/async.c' line='165' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/async.c' line='165' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='kernel/async.c' line='166' column='1'/>
+ <parameter type-id='fc616182' name='domain' filepath='kernel/async.c' line='166' column='1'/>
+ <return type-id='a7465fe4'/>
+ </function-decl>
+ <function-decl name='async_synchronize_full_domain' mangled-name='async_synchronize_full_domain' filepath='kernel/async.c' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='async_synchronize_full_domain'>
+ <parameter type-id='fc616182' name='domain' filepath='kernel/async.c' line='273' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='atomic_notifier_call_chain' mangled-name='atomic_notifier_call_chain' filepath='kernel/notifier.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='atomic_notifier_call_chain'>
+ <parameter type-id='02162584' name='nh' filepath='kernel/notifier.c' line='211' column='1'/>
+ <parameter type-id='7359adad' name='val' filepath='kernel/notifier.c' line='212' column='1'/>
+ <parameter type-id='eaa32e2f' name='v' filepath='kernel/notifier.c' line='212' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='atomic_notifier_chain_register' mangled-name='atomic_notifier_chain_register' filepath='kernel/notifier.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='atomic_notifier_chain_register'>
+ <parameter type-id='02162584' name='nh' filepath='kernel/notifier.c' line='139' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='atomic_notifier_chain_unregister' mangled-name='atomic_notifier_chain_unregister' filepath='kernel/notifier.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='atomic_notifier_chain_unregister'>
+ <parameter type-id='02162584' name='nh' filepath='kernel/notifier.c' line='161' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='162' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='autoremove_wake_function' mangled-name='autoremove_wake_function' filepath='kernel/sched/wait.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='autoremove_wake_function'>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='396' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='396' column='1'/>
+ <parameter type-id='95e97e5e' name='sync' filepath='kernel/sched/wait.c' line='397' column='1'/>
+ <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='397' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='available_idle_cpu' mangled-name='available_idle_cpu' filepath='kernel/sched/core.c' line='5367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='available_idle_cpu'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/core.c' line='5367' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='avenrun' type-id='3461381a' mangled-name='avenrun' visibility='default' filepath='kernel/sched/loadavg.c' line='61' column='1' elf-symbol-id='avenrun'/>
+ <function-decl name='backlight_device_get_by_type' mangled-name='backlight_device_get_by_type' filepath='drivers/video/backlight/backlight.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='backlight_device_get_by_type'>
+ <parameter type-id='e7dc2d8e' name='type' filepath='drivers/video/backlight/backlight.c' line='468' column='1'/>
+ <return type-id='7a76d041'/>
+ </function-decl>
+ <function-decl name='backlight_device_register' mangled-name='backlight_device_register' filepath='drivers/video/backlight/backlight.c' line='393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='backlight_device_register'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/video/backlight/backlight.c' line='393' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/video/backlight/backlight.c' line='394' column='1'/>
+ <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/video/backlight/backlight.c' line='394' column='1'/>
+ <parameter type-id='a3d6b1c0' name='ops' filepath='drivers/video/backlight/backlight.c' line='394' column='1'/>
+ <parameter type-id='f46152e7' name='props' filepath='drivers/video/backlight/backlight.c' line='395' column='1'/>
+ <return type-id='7a76d041'/>
+ </function-decl>
+ <function-decl name='backlight_device_set_brightness' mangled-name='backlight_device_set_brightness' filepath='drivers/video/backlight/backlight.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='backlight_device_set_brightness'>
+ <parameter type-id='7a76d041' name='bd' filepath='drivers/video/backlight/backlight.c' line='230' column='1'/>
+ <parameter type-id='7359adad' name='brightness' filepath='drivers/video/backlight/backlight.c' line='231' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='backlight_device_unregister' mangled-name='backlight_device_unregister' filepath='drivers/video/backlight/backlight.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='backlight_device_unregister'>
+ <parameter type-id='7a76d041' name='bd' filepath='drivers/video/backlight/backlight.c' line='508' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='badblocks_clear' mangled-name='badblocks_clear' filepath='block/badblocks.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_clear'>
+ <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='331' column='1'/>
+ <parameter type-id='a42536cd' name='s' filepath='block/badblocks.c' line='331' column='1'/>
+ <parameter type-id='95e97e5e' name='sectors' filepath='block/badblocks.c' line='331' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='badblocks_exit' mangled-name='badblocks_exit' filepath='block/badblocks.c' line='593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_exit'>
+ <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='593' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='badblocks_init' mangled-name='badblocks_init' filepath='block/badblocks.c' line='575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_init'>
+ <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='575' column='1'/>
+ <parameter type-id='95e97e5e' name='enable' filepath='block/badblocks.c' line='575' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='badblocks_set' mangled-name='badblocks_set' filepath='block/badblocks.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_set'>
+ <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='163' column='1'/>
+ <parameter type-id='a42536cd' name='s' filepath='block/badblocks.c' line='163' column='1'/>
+ <parameter type-id='95e97e5e' name='sectors' filepath='block/badblocks.c' line='163' column='1'/>
+ <parameter type-id='95e97e5e' name='acknowledged' filepath='block/badblocks.c' line='164' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='badblocks_show' mangled-name='badblocks_show' filepath='block/badblocks.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_show'>
+ <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='467' column='1'/>
+ <parameter type-id='26a90f95' name='page' filepath='block/badblocks.c' line='467' column='1'/>
+ <parameter type-id='95e97e5e' name='unack' filepath='block/badblocks.c' line='467' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='badblocks_store' mangled-name='badblocks_store' filepath='block/badblocks.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='badblocks_store'>
+ <parameter type-id='5760652c' name='bb' filepath='block/badblocks.c' line='517' column='1'/>
+ <parameter type-id='80f4b756' name='page' filepath='block/badblocks.c' line='517' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='block/badblocks.c' line='517' column='1'/>
+ <parameter type-id='95e97e5e' name='unack' filepath='block/badblocks.c' line='518' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='balance_dirty_pages_ratelimited' mangled-name='balance_dirty_pages_ratelimited' filepath='mm/page-writeback.c' line='1883' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='balance_dirty_pages_ratelimited'>
+ <parameter type-id='f57039f0' name='mapping' filepath='mm/page-writeback.c' line='1883' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='balloon_aops' type-id='38ce7f2c' mangled-name='balloon_aops' visibility='default' filepath='mm/balloon_compaction.c' line='253' column='1' elf-symbol-id='balloon_aops'/>
+ <function-decl name='balloon_page_alloc' mangled-name='balloon_page_alloc' filepath='mm/balloon_compaction.c' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='balloon_page_alloc'>
+ <return type-id='02f11ed4'/>
+ </function-decl>
+ <function-decl name='balloon_page_dequeue' mangled-name='balloon_page_dequeue' filepath='mm/balloon_compaction.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='balloon_page_dequeue'>
+ <parameter type-id='c0f00785' name='b_dev_info' filepath='mm/balloon_compaction.c' line='177' column='1'/>
+ <return type-id='02f11ed4'/>
+ </function-decl>
+ <function-decl name='balloon_page_enqueue' mangled-name='balloon_page_enqueue' filepath='mm/balloon_compaction.c' line='146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='balloon_page_enqueue'>
+ <parameter type-id='c0f00785' name='b_dev_info' filepath='mm/balloon_compaction.c' line='146' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/balloon_compaction.c' line='147' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bcmp' mangled-name='bcmp' filepath='lib/string.c' line='962' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bcmp'>
+ <parameter type-id='eaa32e2f' name='a' filepath='lib/string.c' line='962' column='1'/>
+ <parameter type-id='eaa32e2f' name='b' filepath='lib/string.c' line='962' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='lib/string.c' line='962' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bd_link_disk_holder' mangled-name='bd_link_disk_holder' filepath='fs/block_dev.c' line='1237' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bd_link_disk_holder'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='1237' column='1'/>
+ <parameter type-id='33c599da' name='disk' filepath='fs/block_dev.c' line='1237' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bd_set_nr_sectors' mangled-name='bd_set_nr_sectors' filepath='fs/block_dev.c' line='1387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bd_set_nr_sectors'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='1387' column='1'/>
+ <parameter type-id='a42536cd' name='sectors' filepath='fs/block_dev.c' line='1387' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bd_unlink_disk_holder' mangled-name='bd_unlink_disk_holder' filepath='fs/block_dev.c' line='1302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bd_unlink_disk_holder'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='1302' column='1'/>
+ <parameter type-id='33c599da' name='disk' filepath='fs/block_dev.c' line='1302' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bdev_check_media_change' mangled-name='bdev_check_media_change' filepath='block/genhd.c' line='2102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdev_check_media_change'>
+ <parameter type-id='b88dd945' name='bdev' filepath='block/genhd.c' line='2102' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='bdev_read_only' mangled-name='bdev_read_only' filepath='block/genhd.c' line='1875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdev_read_only'>
+ <parameter type-id='b88dd945' name='bdev' filepath='block/genhd.c' line='1875' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bdevname' mangled-name='bdevname' filepath='block/genhd.c' line='89' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdevname'>
+ <parameter type-id='b88dd945' name='bdev' filepath='block/genhd.c' line='89' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='block/genhd.c' line='89' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='bdget_disk' mangled-name='bdget_disk' filepath='block/genhd.c' line='1048' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdget_disk'>
+ <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='1048' column='1'/>
+ <parameter type-id='95e97e5e' name='partno' filepath='block/genhd.c' line='1048' column='1'/>
+ <return type-id='b88dd945'/>
+ </function-decl>
+ <function-decl name='bdi_alloc' mangled-name='bdi_alloc' filepath='mm/backing-dev.c' line='734' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdi_alloc'>
+ <parameter type-id='95e97e5e' name='node_id' filepath='mm/backing-dev.c' line='734' column='1'/>
+ <return type-id='ef4fae1b'/>
+ </function-decl>
+ <function-decl name='bdi_put' mangled-name='bdi_put' filepath='mm/backing-dev.c' line='899' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdi_put'>
+ <parameter type-id='ef4fae1b' name='bdi' filepath='mm/backing-dev.c' line='899' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bdi_register' mangled-name='bdi_register' filepath='mm/backing-dev.c' line='836' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdi_register'>
+ <parameter type-id='ef4fae1b' name='bdi' filepath='mm/backing-dev.c' line='836' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='mm/backing-dev.c' line='836' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bdput' mangled-name='bdput' filepath='fs/block_dev.c' line='966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bdput'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='966' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bgpio_init' mangled-name='bgpio_init' filepath='drivers/gpio/gpio-mmio.c' line='599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bgpio_init'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpio-mmio.c' line='599' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpio-mmio.c' line='599' column='1'/>
+ <parameter type-id='7359adad' name='sz' filepath='drivers/gpio/gpio-mmio.c' line='600' column='1'/>
+ <parameter type-id='eaa32e2f' name='dat' filepath='drivers/gpio/gpio-mmio.c' line='600' column='1'/>
+ <parameter type-id='eaa32e2f' name='set' filepath='drivers/gpio/gpio-mmio.c' line='600' column='1'/>
+ <parameter type-id='eaa32e2f' name='clr' filepath='drivers/gpio/gpio-mmio.c' line='601' column='1'/>
+ <parameter type-id='eaa32e2f' name='dirout' filepath='drivers/gpio/gpio-mmio.c' line='601' column='1'/>
+ <parameter type-id='eaa32e2f' name='dirin' filepath='drivers/gpio/gpio-mmio.c' line='601' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/gpio/gpio-mmio.c' line='602' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bin2hex' mangled-name='bin2hex' filepath='lib/hexdump.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bin2hex'>
+ <parameter type-id='26a90f95' name='dst' filepath='lib/hexdump.c' line='66' column='1'/>
+ <parameter type-id='eaa32e2f' name='src' filepath='lib/hexdump.c' line='66' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/hexdump.c' line='66' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='bio_add_page' mangled-name='bio_add_page' filepath='block/bio.c' line='933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_add_page'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='933' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='block/bio.c' line='933' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='block/bio.c' line='934' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='block/bio.c' line='934' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bio_add_pc_page' mangled-name='bio_add_pc_page' filepath='block/bio.c' line='845' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_add_pc_page'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/bio.c' line='845' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='845' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='block/bio.c' line='846' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='block/bio.c' line='846' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='block/bio.c' line='846' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bio_alloc_bioset' mangled-name='bio_alloc_bioset' filepath='block/bio.c' line='437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_alloc_bioset'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/bio.c' line='437' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_iovecs' filepath='block/bio.c' line='437' column='1'/>
+ <parameter type-id='38b1e3a0' name='bs' filepath='block/bio.c' line='438' column='1'/>
+ <return type-id='fb55efa1'/>
+ </function-decl>
+ <function-decl name='bio_associate_blkg' mangled-name='bio_associate_blkg' filepath='block/blk-cgroup.c' line='1875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_associate_blkg'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/blk-cgroup.c' line='1875' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bio_chain' mangled-name='bio_chain' filepath='block/bio.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_chain'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='338' column='1'/>
+ <parameter type-id='fb55efa1' name='parent' filepath='block/bio.c' line='338' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bio_clone_blkg_association' mangled-name='bio_clone_blkg_association' filepath='block/blk-cgroup.c' line='1897' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_clone_blkg_association'>
+ <parameter type-id='fb55efa1' name='dst' filepath='block/blk-cgroup.c' line='1897' column='1'/>
+ <parameter type-id='fb55efa1' name='src' filepath='block/blk-cgroup.c' line='1897' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bio_endio' mangled-name='bio_endio' filepath='block/bio.c' line='1428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_endio'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='1428' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bio_init' mangled-name='bio_init' filepath='block/bio.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_init'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='278' column='1'/>
+ <parameter type-id='cddcb53e' name='table' filepath='block/bio.c' line='278' column='1'/>
+ <parameter type-id='8efea9e5' name='max_vecs' filepath='block/bio.c' line='279' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bio_put' mangled-name='bio_put' filepath='block/bio.c' line='647' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_put'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='647' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bio_reset' mangled-name='bio_reset' filepath='block/bio.c' line='300' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bio_reset'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='300' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bioset_exit' mangled-name='bioset_exit' filepath='block/bio.c' line='1551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bioset_exit'>
+ <parameter type-id='38b1e3a0' name='bs' filepath='block/bio.c' line='1551' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bioset_init' mangled-name='bioset_init' filepath='block/bio.c' line='1588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bioset_init'>
+ <parameter type-id='38b1e3a0' name='bs' filepath='block/bio.c' line='1588' column='1'/>
+ <parameter type-id='f0981eeb' name='pool_size' filepath='block/bio.c' line='1589' column='1'/>
+ <parameter type-id='f0981eeb' name='front_pad' filepath='block/bio.c' line='1590' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='block/bio.c' line='1591' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bit_wait_timeout' mangled-name='bit_wait_timeout' filepath='kernel/sched/wait_bit.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bit_wait_timeout'>
+ <parameter type-id='307d4a12' name='word' filepath='kernel/sched/wait_bit.c' line='217' column='1'/>
+ <parameter type-id='95e97e5e' name='mode' filepath='kernel/sched/wait_bit.c' line='217' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bitmap_alloc' mangled-name='bitmap_alloc' filepath='lib/bitmap.c' line='1246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_alloc'>
+ <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1246' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='lib/bitmap.c' line='1246' column='1'/>
+ <return type-id='1d2c2b85'/>
+ </function-decl>
+ <function-decl name='bitmap_allocate_region' mangled-name='bitmap_allocate_region' filepath='lib/bitmap.c' line='1215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_allocate_region'>
+ <parameter type-id='1d2c2b85' name='bitmap' filepath='lib/bitmap.c' line='1215' column='1'/>
+ <parameter type-id='f0981eeb' name='pos' filepath='lib/bitmap.c' line='1215' column='1'/>
+ <parameter type-id='95e97e5e' name='order' filepath='lib/bitmap.c' line='1215' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bitmap_find_free_region' mangled-name='bitmap_find_free_region' filepath='lib/bitmap.c' line='1173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_find_free_region'>
+ <parameter type-id='1d2c2b85' name='bitmap' filepath='lib/bitmap.c' line='1173' column='1'/>
+ <parameter type-id='f0981eeb' name='bits' filepath='lib/bitmap.c' line='1173' column='1'/>
+ <parameter type-id='95e97e5e' name='order' filepath='lib/bitmap.c' line='1173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bitmap_find_next_zero_area_off' mangled-name='bitmap_find_next_zero_area_off' filepath='lib/bitmap.c' line='404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_find_next_zero_area_off'>
+ <parameter type-id='1d2c2b85' name='map' filepath='lib/bitmap.c' line='404' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/bitmap.c' line='405' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='lib/bitmap.c' line='406' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='lib/bitmap.c' line='407' column='1'/>
+ <parameter type-id='7359adad' name='align_mask' filepath='lib/bitmap.c' line='408' column='1'/>
+ <parameter type-id='7359adad' name='align_offset' filepath='lib/bitmap.c' line='409' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='bitmap_free' mangled-name='bitmap_free' filepath='lib/bitmap.c' line='1259' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_free'>
+ <parameter type-id='f9b37274' name='bitmap' filepath='lib/bitmap.c' line='1259' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bitmap_from_arr32' mangled-name='bitmap_from_arr32' filepath='lib/bitmap.c' line='1272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_from_arr32'>
+ <parameter type-id='1d2c2b85' name='bitmap' filepath='lib/bitmap.c' line='1272' column='1'/>
+ <parameter type-id='aded214c' name='buf' filepath='lib/bitmap.c' line='1272' column='1'/>
+ <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1272' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bitmap_parse' mangled-name='bitmap_parse' filepath='lib/bitmap.c' line='737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_parse'>
+ <parameter type-id='80f4b756' name='start' filepath='lib/bitmap.c' line='737' column='1'/>
+ <parameter type-id='f0981eeb' name='buflen' filepath='lib/bitmap.c' line='737' column='1'/>
+ <parameter type-id='1d2c2b85' name='maskp' filepath='lib/bitmap.c' line='738' column='1'/>
+ <parameter type-id='95e97e5e' name='nmaskbits' filepath='lib/bitmap.c' line='738' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bitmap_parselist' mangled-name='bitmap_parselist' filepath='lib/bitmap.c' line='638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_parselist'>
+ <parameter type-id='80f4b756' name='buf' filepath='lib/bitmap.c' line='638' column='1'/>
+ <parameter type-id='1d2c2b85' name='maskp' filepath='lib/bitmap.c' line='638' column='1'/>
+ <parameter type-id='95e97e5e' name='nmaskbits' filepath='lib/bitmap.c' line='638' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bitmap_parselist_user' mangled-name='bitmap_parselist_user' filepath='lib/bitmap.c' line='679' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_parselist_user'>
+ <parameter type-id='80f4b756' name='ubuf' filepath='lib/bitmap.c' line='679' column='1'/>
+ <parameter type-id='f0981eeb' name='ulen' filepath='lib/bitmap.c' line='680' column='1'/>
+ <parameter type-id='1d2c2b85' name='maskp' filepath='lib/bitmap.c' line='680' column='1'/>
+ <parameter type-id='95e97e5e' name='nmaskbits' filepath='lib/bitmap.c' line='681' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bitmap_print_to_pagebuf' mangled-name='bitmap_print_to_pagebuf' filepath='lib/bitmap.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_print_to_pagebuf'>
+ <parameter type-id='b50a4934' name='list' filepath='lib/bitmap.c' line='478' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='lib/bitmap.c' line='478' column='1'/>
+ <parameter type-id='f9b37274' name='maskp' filepath='lib/bitmap.c' line='478' column='1'/>
+ <parameter type-id='95e97e5e' name='nmaskbits' filepath='lib/bitmap.c' line='479' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bitmap_release_region' mangled-name='bitmap_release_region' filepath='lib/bitmap.c' line='1198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_release_region'>
+ <parameter type-id='1d2c2b85' name='bitmap' filepath='lib/bitmap.c' line='1198' column='1'/>
+ <parameter type-id='f0981eeb' name='pos' filepath='lib/bitmap.c' line='1198' column='1'/>
+ <parameter type-id='95e97e5e' name='order' filepath='lib/bitmap.c' line='1198' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bitmap_to_arr32' mangled-name='bitmap_to_arr32' filepath='lib/bitmap.c' line='1295' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_to_arr32'>
+ <parameter type-id='f9409001' name='buf' filepath='lib/bitmap.c' line='1295' column='1'/>
+ <parameter type-id='f9b37274' name='bitmap' filepath='lib/bitmap.c' line='1295' column='1'/>
+ <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1295' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bitmap_zalloc' mangled-name='bitmap_zalloc' filepath='lib/bitmap.c' line='1253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bitmap_zalloc'>
+ <parameter type-id='f0981eeb' name='nbits' filepath='lib/bitmap.c' line='1253' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='lib/bitmap.c' line='1253' column='1'/>
+ <return type-id='1d2c2b85'/>
+ </function-decl>
+ <function-decl name='blk_alloc_queue' mangled-name='blk_alloc_queue' filepath='block/blk-core.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_alloc_queue'>
+ <parameter type-id='95e97e5e' name='node_id' filepath='block/blk-core.c' line='523' column='1'/>
+ <return type-id='e7d2a5fc'/>
+ </function-decl>
+ <function-decl name='blk_bio_list_merge' mangled-name='blk_bio_list_merge' filepath='block/blk-merge.c' line='1079' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_bio_list_merge'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-merge.c' line='1079' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='block/blk-merge.c' line='1079' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/blk-merge.c' line='1080' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_segs' filepath='block/blk-merge.c' line='1080' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_cleanup_queue' mangled-name='blk_cleanup_queue' filepath='block/blk-core.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_cleanup_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='376' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_execute_rq' mangled-name='blk_execute_rq' filepath='block/blk-exec.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_execute_rq'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-exec.c' line='79' column='1'/>
+ <parameter type-id='33c599da' name='bd_disk' filepath='block/blk-exec.c' line='79' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-exec.c' line='80' column='1'/>
+ <parameter type-id='95e97e5e' name='at_head' filepath='block/blk-exec.c' line='80' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_execute_rq_nowait' mangled-name='blk_execute_rq_nowait' filepath='block/blk-exec.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_execute_rq_nowait'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-exec.c' line='48' column='1'/>
+ <parameter type-id='33c599da' name='bd_disk' filepath='block/blk-exec.c' line='48' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-exec.c' line='49' column='1'/>
+ <parameter type-id='95e97e5e' name='at_head' filepath='block/blk-exec.c' line='49' column='1'/>
+ <parameter type-id='5afdaa66' name='done' filepath='block/blk-exec.c' line='50' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_finish_plug' mangled-name='blk_finish_plug' filepath='block/blk-core.c' line='1777' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_finish_plug'>
+ <parameter type-id='39944481' name='plug' filepath='block/blk-core.c' line='1777' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_freeze_queue_start' mangled-name='blk_freeze_queue_start' filepath='block/blk-mq.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_freeze_queue_start'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='136' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_get_queue' mangled-name='blk_get_queue' filepath='block/blk-core.c' line='616' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_get_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='616' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_get_request' mangled-name='blk_get_request' filepath='block/blk-core.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_get_request'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='633' column='1'/>
+ <parameter type-id='f0981eeb' name='op' filepath='block/blk-core.c' line='633' column='1'/>
+ <parameter type-id='346d62be' name='flags' filepath='block/blk-core.c' line='634' column='1'/>
+ <return type-id='3dad1a48'/>
+ </function-decl>
+ <function-decl name='blk_insert_cloned_request' mangled-name='blk_insert_cloned_request' filepath='block/blk-core.c' line='1199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_insert_cloned_request'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='1199' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-core.c' line='1199' column='1'/>
+ <return type-id='f4e2facd'/>
+ </function-decl>
+ <function-decl name='blk_ksm_get_slot_idx' mangled-name='blk_ksm_get_slot_idx' filepath='block/keyslot-manager.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_ksm_get_slot_idx'>
+ <parameter type-id='5b559658' name='slot' filepath='block/keyslot-manager.c' line='211' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='blk_ksm_init' mangled-name='blk_ksm_init' filepath='block/keyslot-manager.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_ksm_init'>
+ <parameter type-id='bf8a20d2' name='ksm' filepath='block/keyslot-manager.c' line='81' column='1'/>
+ <parameter type-id='f0981eeb' name='num_slots' filepath='block/keyslot-manager.c' line='81' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_ksm_init_passthrough' mangled-name='blk_ksm_init_passthrough' filepath='block/keyslot-manager.c' line='625' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_ksm_init_passthrough'>
+ <parameter type-id='bf8a20d2' name='ksm' filepath='block/keyslot-manager.c' line='625' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_ksm_register' mangled-name='blk_ksm_register' filepath='block/keyslot-manager.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_ksm_register'>
+ <parameter type-id='bf8a20d2' name='ksm' filepath='block/keyslot-manager.c' line='447' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/keyslot-manager.c' line='447' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_ksm_reprogram_all_keys' mangled-name='blk_ksm_reprogram_all_keys' filepath='block/keyslot-manager.c' line='414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_ksm_reprogram_all_keys'>
+ <parameter type-id='bf8a20d2' name='ksm' filepath='block/keyslot-manager.c' line='414' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_alloc_request' mangled-name='blk_mq_alloc_request' filepath='block/blk-mq.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_alloc_request'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='403' column='1'/>
+ <parameter type-id='f0981eeb' name='op' filepath='block/blk-mq.c' line='403' column='1'/>
+ <parameter type-id='346d62be' name='flags' filepath='block/blk-mq.c' line='404' column='1'/>
+ <return type-id='3dad1a48'/>
+ </function-decl>
+ <function-decl name='blk_mq_alloc_request_hctx' mangled-name='blk_mq_alloc_request_hctx' filepath='block/blk-mq.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_alloc_request_hctx'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='431' column='1'/>
+ <parameter type-id='f0981eeb' name='op' filepath='block/blk-mq.c' line='432' column='1'/>
+ <parameter type-id='346d62be' name='flags' filepath='block/blk-mq.c' line='432' column='1'/>
+ <parameter type-id='f0981eeb' name='hctx_idx' filepath='block/blk-mq.c' line='432' column='1'/>
+ <return type-id='3dad1a48'/>
+ </function-decl>
+ <function-decl name='blk_mq_alloc_tag_set' mangled-name='blk_mq_alloc_tag_set' filepath='block/blk-mq.c' line='3511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_alloc_tag_set'>
+ <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3511' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_mq_complete_request' mangled-name='blk_mq_complete_request' filepath='block/blk-mq.c' line='699' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_complete_request'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='699' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_complete_request_remote' mangled-name='blk_mq_complete_request_remote' filepath='block/blk-mq.c' line='666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_complete_request_remote'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='666' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_mq_debugfs_rq_show' mangled-name='blk_mq_debugfs_rq_show' filepath='block/blk-mq-debugfs.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_debugfs_rq_show'>
+ <parameter type-id='f8dc9def' name='m' filepath='block/blk-mq-debugfs.c' line='358' column='1'/>
+ <parameter type-id='eaa32e2f' name='v' filepath='block/blk-mq-debugfs.c' line='358' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_mq_delay_kick_requeue_list' mangled-name='blk_mq_delay_kick_requeue_list' filepath='block/blk-mq.c' line='853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_delay_kick_requeue_list'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='853' column='1'/>
+ <parameter type-id='7359adad' name='msecs' filepath='block/blk-mq.c' line='854' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_end_request' mangled-name='blk_mq_end_request' filepath='block/blk-mq.c' line='564' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_end_request'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='564' column='1'/>
+ <parameter type-id='f4e2facd' name='error' filepath='block/blk-mq.c' line='564' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_free_request' mangled-name='blk_mq_free_request' filepath='block/blk-mq.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_free_request'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='508' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_free_tag_set' mangled-name='blk_mq_free_tag_set' filepath='block/blk-mq.c' line='3607' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_free_tag_set'>
+ <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3607' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_freeze_queue' mangled-name='blk_mq_freeze_queue' filepath='block/blk-mq.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_freeze_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='182' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_freeze_queue_wait' mangled-name='blk_mq_freeze_queue_wait' filepath='block/blk-mq.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_freeze_queue_wait'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='150' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_freeze_queue_wait_timeout' mangled-name='blk_mq_freeze_queue_wait_timeout' filepath='block/blk-mq.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_freeze_queue_wait_timeout'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='156' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='block/blk-mq.c' line='157' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_mq_init_queue' mangled-name='blk_mq_init_queue' filepath='block/blk-mq.c' line='3158' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_init_queue'>
+ <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3158' column='1'/>
+ <return type-id='e7d2a5fc'/>
+ </function-decl>
+ <function-decl name='blk_mq_init_sq_queue' mangled-name='blk_mq_init_sq_queue' filepath='block/blk-mq.c' line='3168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_init_sq_queue'>
+ <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3168' column='1'/>
+ <parameter type-id='e1962c5d' name='ops' filepath='block/blk-mq.c' line='3169' column='1'/>
+ <parameter type-id='f0981eeb' name='queue_depth' filepath='block/blk-mq.c' line='3170' column='1'/>
+ <parameter type-id='f0981eeb' name='set_flags' filepath='block/blk-mq.c' line='3171' column='1'/>
+ <return type-id='e7d2a5fc'/>
+ </function-decl>
+ <function-decl name='blk_mq_map_queues' mangled-name='blk_mq_map_queues' filepath='block/blk-mq-cpumap.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_map_queues'>
+ <parameter type-id='187ae308' name='qmap' filepath='block/blk-mq-cpumap.c' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_mq_pci_map_queues' mangled-name='blk_mq_pci_map_queues' filepath='block/blk-mq-pci.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_pci_map_queues'>
+ <parameter type-id='187ae308' name='qmap' filepath='block/blk-mq-pci.c' line='26' column='1'/>
+ <parameter type-id='85196e3f' name='pdev' filepath='block/blk-mq-pci.c' line='26' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='block/blk-mq-pci.c' line='27' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_mq_quiesce_queue' mangled-name='blk_mq_quiesce_queue' filepath='block/blk-mq.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_quiesce_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='224' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_requeue_request' mangled-name='blk_mq_requeue_request' filepath='block/blk-mq.c' line='774' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_requeue_request'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='774' column='1'/>
+ <parameter type-id='b50a4934' name='kick_requeue_list' filepath='block/blk-mq.c' line='774' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_rq_cpu' mangled-name='blk_mq_rq_cpu' filepath='block/blk-mq.c' line='4028' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_rq_cpu'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='4028' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='blk_mq_run_hw_queue' mangled-name='blk_mq_run_hw_queue' filepath='block/blk-mq.c' line='1632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_run_hw_queue'>
+ <parameter type-id='a47d3467' name='hctx' filepath='block/blk-mq.c' line='1632' column='1'/>
+ <parameter type-id='b50a4934' name='async' filepath='block/blk-mq.c' line='1632' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_run_hw_queues' mangled-name='blk_mq_run_hw_queues' filepath='block/blk-mq.c' line='1696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_run_hw_queues'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='1696' column='1'/>
+ <parameter type-id='b50a4934' name='async' filepath='block/blk-mq.c' line='1696' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_sched_mark_restart_hctx' mangled-name='blk_mq_sched_mark_restart_hctx' filepath='block/blk-mq-sched.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_sched_mark_restart_hctx'>
+ <parameter type-id='a47d3467' name='hctx' filepath='block/blk-mq-sched.c' line='51' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_sched_request_inserted' mangled-name='blk_mq_sched_request_inserted' filepath='block/blk-mq-sched.c' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_sched_request_inserted'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-sched.c' line='389' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_sched_try_insert_merge' mangled-name='blk_mq_sched_try_insert_merge' filepath='block/blk-mq-sched.c' line='383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_sched_try_insert_merge'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq-sched.c' line='383' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-sched.c' line='383' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_mq_sched_try_merge' mangled-name='blk_mq_sched_try_merge' filepath='block/blk-merge.c' line='1104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_sched_try_merge'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-merge.c' line='1104' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/blk-merge.c' line='1104' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_segs' filepath='block/blk-merge.c' line='1105' column='1'/>
+ <parameter type-id='79808846' name='merged_request' filepath='block/blk-merge.c' line='1105' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_mq_start_request' mangled-name='blk_mq_start_request' filepath='block/blk-mq.c' line='734' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_start_request'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq.c' line='734' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_start_stopped_hw_queues' mangled-name='blk_mq_start_stopped_hw_queues' filepath='block/blk-mq.c' line='1831' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_start_stopped_hw_queues'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='1831' column='1'/>
+ <parameter type-id='b50a4934' name='async' filepath='block/blk-mq.c' line='1831' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_stop_hw_queue' mangled-name='blk_mq_stop_hw_queue' filepath='block/blk-mq.c' line='1776' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_stop_hw_queue'>
+ <parameter type-id='a47d3467' name='hctx' filepath='block/blk-mq.c' line='1776' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_tag_to_rq' mangled-name='blk_mq_tag_to_rq' filepath='block/blk-mq.c' line='861' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_tag_to_rq'>
+ <parameter type-id='0461ecf5' name='tags' filepath='block/blk-mq.c' line='861' column='1'/>
+ <parameter type-id='f0981eeb' name='tag' filepath='block/blk-mq.c' line='861' column='1'/>
+ <return type-id='3dad1a48'/>
+ </function-decl>
+ <function-decl name='blk_mq_tagset_busy_iter' mangled-name='blk_mq_tagset_busy_iter' filepath='block/blk-mq-tag.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_tagset_busy_iter'>
+ <parameter type-id='cc26d15f' name='tagset' filepath='block/blk-mq-tag.c' line='378' column='1'/>
+ <parameter type-id='65a8a3df' name='fn' filepath='block/blk-mq-tag.c' line='379' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='block/blk-mq-tag.c' line='379' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_tagset_wait_completed_request' mangled-name='blk_mq_tagset_wait_completed_request' filepath='block/blk-mq-tag.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_tagset_wait_completed_request'>
+ <parameter type-id='cc26d15f' name='tagset' filepath='block/blk-mq-tag.c' line='408' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_unfreeze_queue' mangled-name='blk_mq_unfreeze_queue' filepath='block/blk-mq.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_unfreeze_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='192' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_unique_tag' mangled-name='blk_mq_unique_tag' filepath='block/blk-mq-tag.c' line='638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_unique_tag'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-mq-tag.c' line='638' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='blk_mq_unquiesce_queue' mangled-name='blk_mq_unquiesce_queue' filepath='block/blk-mq.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_unquiesce_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='250' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_update_nr_hw_queues' mangled-name='blk_mq_update_nr_hw_queues' filepath='block/blk-mq.c' line='3810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_update_nr_hw_queues'>
+ <parameter type-id='cc26d15f' name='set' filepath='block/blk-mq.c' line='3810' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_hw_queues' filepath='block/blk-mq.c' line='3810' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_mq_virtio_map_queues' mangled-name='blk_mq_virtio_map_queues' filepath='block/blk-mq-virtio.c' line='24' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_mq_virtio_map_queues'>
+ <parameter type-id='187ae308' name='qmap' filepath='block/blk-mq-virtio.c' line='24' column='1'/>
+ <parameter type-id='5dbfcbb1' name='vdev' filepath='block/blk-mq-virtio.c' line='25' column='1'/>
+ <parameter type-id='95e97e5e' name='first_vec' filepath='block/blk-mq-virtio.c' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_poll' mangled-name='blk_poll' filepath='block/blk-mq.c' line='3974' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_poll'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-mq.c' line='3974' column='1'/>
+ <parameter type-id='041bc907' name='cookie' filepath='block/blk-mq.c' line='3974' column='1'/>
+ <parameter type-id='b50a4934' name='spin' filepath='block/blk-mq.c' line='3974' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_put_queue' mangled-name='blk_put_queue' filepath='block/blk-core.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_put_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='342' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_put_request' mangled-name='blk_put_request' filepath='block/blk-core.c' line='649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_put_request'>
+ <parameter type-id='3dad1a48' name='req' filepath='block/blk-core.c' line='649' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_alignment_offset' mangled-name='blk_queue_alignment_offset' filepath='block/blk-settings.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_alignment_offset'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='367' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='block/blk-settings.c' line='367' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_bounce_limit' mangled-name='blk_queue_bounce_limit' filepath='block/blk-settings.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_bounce_limit'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='102' column='1'/>
+ <parameter type-id='91ce1af9' name='max_addr' filepath='block/blk-settings.c' line='102' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_can_use_dma_map_merging' mangled-name='blk_queue_can_use_dma_map_merging' filepath='block/blk-settings.c' line='820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_can_use_dma_map_merging'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='820' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='block/blk-settings.c' line='821' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_queue_chunk_sectors' mangled-name='blk_queue_chunk_sectors' filepath='block/blk-settings.c' line='180' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_chunk_sectors'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='180' column='1'/>
+ <parameter type-id='f0981eeb' name='chunk_sectors' filepath='block/blk-settings.c' line='180' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_dma_alignment' mangled-name='blk_queue_dma_alignment' filepath='block/blk-settings.c' line='732' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_dma_alignment'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='732' column='1'/>
+ <parameter type-id='95e97e5e' name='mask' filepath='block/blk-settings.c' line='732' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_flag_clear' mangled-name='blk_queue_flag_clear' filepath='block/blk-core.c' line='97' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_flag_clear'>
+ <parameter type-id='f0981eeb' name='flag' filepath='block/blk-core.c' line='97' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='97' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_flag_set' mangled-name='blk_queue_flag_set' filepath='block/blk-core.c' line='86' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_flag_set'>
+ <parameter type-id='f0981eeb' name='flag' filepath='block/blk-core.c' line='86' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='86' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_flag_test_and_set' mangled-name='blk_queue_flag_test_and_set' filepath='block/blk-core.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_flag_test_and_set'>
+ <parameter type-id='f0981eeb' name='flag' filepath='block/blk-core.c' line='111' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='111' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_queue_io_min' mangled-name='blk_queue_io_min' filepath='block/blk-settings.c' line='425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_io_min'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='425' column='1'/>
+ <parameter type-id='f0981eeb' name='min' filepath='block/blk-settings.c' line='425' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_io_opt' mangled-name='blk_queue_io_opt' filepath='block/blk-settings.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_io_opt'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='463' column='1'/>
+ <parameter type-id='f0981eeb' name='opt' filepath='block/blk-settings.c' line='463' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_logical_block_size' mangled-name='blk_queue_logical_block_size' filepath='block/blk-settings.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_logical_block_size'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='322' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='block/blk-settings.c' line='322' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_max_discard_sectors' mangled-name='blk_queue_max_discard_sectors' filepath='block/blk-settings.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_discard_sectors'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='191' column='1'/>
+ <parameter type-id='f0981eeb' name='max_discard_sectors' filepath='block/blk-settings.c' line='192' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_max_discard_segments' mangled-name='blk_queue_max_discard_segments' filepath='block/blk-settings.c' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_discard_segments'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='281' column='1'/>
+ <parameter type-id='8efea9e5' name='max_segments' filepath='block/blk-settings.c' line='282' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_max_hw_sectors' mangled-name='blk_queue_max_hw_sectors' filepath='block/blk-settings.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_hw_sectors'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='149' column='1'/>
+ <parameter type-id='f0981eeb' name='max_hw_sectors' filepath='block/blk-settings.c' line='149' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_max_segment_size' mangled-name='blk_queue_max_segment_size' filepath='block/blk-settings.c' line='297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_segment_size'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='297' column='1'/>
+ <parameter type-id='f0981eeb' name='max_size' filepath='block/blk-settings.c' line='297' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_max_segments' mangled-name='blk_queue_max_segments' filepath='block/blk-settings.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_segments'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='260' column='1'/>
+ <parameter type-id='8efea9e5' name='max_segments' filepath='block/blk-settings.c' line='260' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_max_write_zeroes_sectors' mangled-name='blk_queue_max_write_zeroes_sectors' filepath='block/blk-settings.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_max_write_zeroes_sectors'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='217' column='1'/>
+ <parameter type-id='f0981eeb' name='max_write_zeroes_sectors' filepath='block/blk-settings.c' line='218' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_physical_block_size' mangled-name='blk_queue_physical_block_size' filepath='block/blk-settings.c' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_physical_block_size'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='344' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='block/blk-settings.c' line='344' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_rq_timeout' mangled-name='blk_queue_rq_timeout' filepath='block/blk-settings.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_rq_timeout'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='25' column='1'/>
+ <parameter type-id='f0981eeb' name='timeout' filepath='block/blk-settings.c' line='25' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_split' mangled-name='blk_queue_split' filepath='block/blk-merge.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_split'>
+ <parameter type-id='334817d1' name='bio' filepath='block/blk-merge.c' line='359' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_update_dma_alignment' mangled-name='blk_queue_update_dma_alignment' filepath='block/blk-settings.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_update_dma_alignment'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='752' column='1'/>
+ <parameter type-id='95e97e5e' name='mask' filepath='block/blk-settings.c' line='752' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_update_dma_pad' mangled-name='blk_queue_update_dma_pad' filepath='block/blk-settings.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_update_dma_pad'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='678' column='1'/>
+ <parameter type-id='f0981eeb' name='mask' filepath='block/blk-settings.c' line='678' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_virt_boundary' mangled-name='blk_queue_virt_boundary' filepath='block/blk-settings.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_virt_boundary'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='707' column='1'/>
+ <parameter type-id='7359adad' name='mask' filepath='block/blk-settings.c' line='707' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_queue_write_cache' mangled-name='blk_queue_write_cache' filepath='block/blk-settings.c' line='782' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_queue_write_cache'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-settings.c' line='782' column='1'/>
+ <parameter type-id='b50a4934' name='wc' filepath='block/blk-settings.c' line='782' column='1'/>
+ <parameter type-id='b50a4934' name='fua' filepath='block/blk-settings.c' line='782' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_register_region' mangled-name='blk_register_region' filepath='block/genhd.c' line='650' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_register_region'>
+ <parameter type-id='8504f260' name='devt' filepath='block/genhd.c' line='650' column='1'/>
+ <parameter type-id='7359adad' name='range' filepath='block/genhd.c' line='650' column='1'/>
+ <parameter type-id='2730d015' name='module' filepath='block/genhd.c' line='650' column='1'/>
+ <parameter type-id='aaaf3990' name='probe' filepath='block/genhd.c' line='651' column='1'/>
+ <parameter type-id='a8735e7c' name='lock' filepath='block/genhd.c' line='652' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='block/genhd.c' line='652' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_rq_append_bio' mangled-name='blk_rq_append_bio' filepath='block/blk-map.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_append_bio'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-map.c' line='524' column='1'/>
+ <parameter type-id='334817d1' name='bio' filepath='block/blk-map.c' line='524' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_rq_map_kern' mangled-name='blk_rq_map_kern' filepath='block/blk-map.c' line='684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_map_kern'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-map.c' line='684' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-map.c' line='684' column='1'/>
+ <parameter type-id='eaa32e2f' name='kbuf' filepath='block/blk-map.c' line='684' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='block/blk-map.c' line='685' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-map.c' line='685' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_rq_map_user' mangled-name='blk_rq_map_user' filepath='block/blk-map.c' line='620' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_map_user'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-map.c' line='620' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-map.c' line='620' column='1'/>
+ <parameter type-id='9c9d090c' name='map_data' filepath='block/blk-map.c' line='621' column='1'/>
+ <parameter type-id='eaa32e2f' name='ubuf' filepath='block/blk-map.c' line='621' column='1'/>
+ <parameter type-id='7359adad' name='len' filepath='block/blk-map.c' line='622' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-map.c' line='622' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_rq_map_user_iov' mangled-name='blk_rq_map_user_iov' filepath='block/blk-map.c' line='578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_map_user_iov'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-map.c' line='578' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-map.c' line='578' column='1'/>
+ <parameter type-id='9c9d090c' name='map_data' filepath='block/blk-map.c' line='579' column='1'/>
+ <parameter type-id='ab3e2665' name='iter' filepath='block/blk-map.c' line='580' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-map.c' line='580' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_rq_unmap_user' mangled-name='blk_rq_unmap_user' filepath='block/blk-map.c' line='644' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_rq_unmap_user'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/blk-map.c' line='644' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_set_queue_dying' mangled-name='blk_set_queue_dying' filepath='block/blk-core.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_set_queue_dying'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='348' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_set_stacking_limits' mangled-name='blk_set_stacking_limits' filepath='block/blk-settings.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_set_stacking_limits'>
+ <parameter type-id='7604ff1d' name='lim' filepath='block/blk-settings.c' line='74' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_start_plug' mangled-name='blk_start_plug' filepath='block/blk-core.c' line='1693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_start_plug'>
+ <parameter type-id='39944481' name='plug' filepath='block/blk-core.c' line='1693' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_stat_enable_accounting' mangled-name='blk_stat_enable_accounting' filepath='block/blk-stat.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_stat_enable_accounting'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-stat.c' line='187' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_status_to_errno' mangled-name='blk_status_to_errno' filepath='block/blk-core.c' line='216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_status_to_errno'>
+ <parameter type-id='f4e2facd' name='status' filepath='block/blk-core.c' line='216' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blk_sync_queue' mangled-name='blk_sync_queue' filepath='block/blk-core.c' line='304' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_sync_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-core.c' line='304' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_unregister_region' mangled-name='blk_unregister_region' filepath='block/genhd.c' line='659' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_unregister_region'>
+ <parameter type-id='8504f260' name='devt' filepath='block/genhd.c' line='659' column='1'/>
+ <parameter type-id='7359adad' name='range' filepath='block/genhd.c' line='659' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blk_update_request' mangled-name='blk_update_request' filepath='block/blk-core.c' line='1439' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_update_request'>
+ <parameter type-id='3dad1a48' name='req' filepath='block/blk-core.c' line='1439' column='1'/>
+ <parameter type-id='f4e2facd' name='error' filepath='block/blk-core.c' line='1439' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_bytes' filepath='block/blk-core.c' line='1440' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='blk_verify_command' mangled-name='blk_verify_command' filepath='block/scsi_ioctl.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blk_verify_command'>
+ <parameter type-id='cf536864' name='cmd' filepath='block/scsi_ioctl.c' line='200' column='1'/>
+ <parameter type-id='2665334e' name='mode' filepath='block/scsi_ioctl.c' line='200' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blkcg_activate_policy' mangled-name='blkcg_activate_policy' filepath='block/blk-cgroup.c' line='1314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkcg_activate_policy'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-cgroup.c' line='1314' column='1'/>
+ <parameter type-id='0d87d4f6' name='pol' filepath='block/blk-cgroup.c' line='1315' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blkcg_deactivate_policy' mangled-name='blkcg_deactivate_policy' filepath='block/blk-cgroup.c' line='1417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkcg_deactivate_policy'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-cgroup.c' line='1417' column='1'/>
+ <parameter type-id='0d87d4f6' name='pol' filepath='block/blk-cgroup.c' line='1418' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blkcg_policy_register' mangled-name='blkcg_policy_register' filepath='block/blk-cgroup.c' line='1459' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkcg_policy_register'>
+ <parameter type-id='b31a5ea1' name='pol' filepath='block/blk-cgroup.c' line='1459' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blkcg_policy_unregister' mangled-name='blkcg_policy_unregister' filepath='block/blk-cgroup.c' line='1538' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkcg_policy_unregister'>
+ <parameter type-id='b31a5ea1' name='pol' filepath='block/blk-cgroup.c' line='1538' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='blkcg_root' type-id='19b26952' mangled-name='blkcg_root' visibility='default' filepath='block/blk-cgroup.c' line='48' column='1' elf-symbol-id='blkcg_root'/>
+ <function-decl name='blkdev_fsync' mangled-name='blkdev_fsync' filepath='fs/block_dev.c' line='691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_fsync'>
+ <parameter type-id='77e79a4b' name='filp' filepath='fs/block_dev.c' line='691' column='1'/>
+ <parameter type-id='69bf7bee' name='start' filepath='fs/block_dev.c' line='691' column='1'/>
+ <parameter type-id='69bf7bee' name='end' filepath='fs/block_dev.c' line='691' column='1'/>
+ <parameter type-id='95e97e5e' name='datasync' filepath='fs/block_dev.c' line='691' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blkdev_get_by_dev' mangled-name='blkdev_get_by_dev' filepath='fs/block_dev.c' line='1723' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_get_by_dev'>
+ <parameter type-id='8504f260' name='dev' filepath='fs/block_dev.c' line='1723' column='1'/>
+ <parameter type-id='2665334e' name='mode' filepath='fs/block_dev.c' line='1723' column='1'/>
+ <parameter type-id='eaa32e2f' name='holder' filepath='fs/block_dev.c' line='1723' column='1'/>
+ <return type-id='b88dd945'/>
+ </function-decl>
+ <function-decl name='blkdev_get_by_path' mangled-name='blkdev_get_by_path' filepath='fs/block_dev.c' line='1678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_get_by_path'>
+ <parameter type-id='80f4b756' name='path' filepath='fs/block_dev.c' line='1678' column='1'/>
+ <parameter type-id='2665334e' name='mode' filepath='fs/block_dev.c' line='1678' column='1'/>
+ <parameter type-id='eaa32e2f' name='holder' filepath='fs/block_dev.c' line='1679' column='1'/>
+ <return type-id='b88dd945'/>
+ </function-decl>
+ <function-decl name='blkdev_issue_flush' mangled-name='blkdev_issue_flush' filepath='block/blk-flush.c' line='453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_issue_flush'>
+ <parameter type-id='b88dd945' name='bdev' filepath='block/blk-flush.c' line='453' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='block/blk-flush.c' line='453' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blkdev_put' mangled-name='blkdev_put' filepath='fs/block_dev.c' line='1817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkdev_put'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='1817' column='1'/>
+ <parameter type-id='2665334e' name='mode' filepath='fs/block_dev.c' line='1817' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='blkg_lookup_slowpath' mangled-name='blkg_lookup_slowpath' filepath='block/blk-cgroup.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blkg_lookup_slowpath'>
+ <parameter type-id='11bff950' name='blkcg' filepath='block/blk-cgroup.c' line='204' column='1'/>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/blk-cgroup.c' line='205' column='1'/>
+ <parameter type-id='b50a4934' name='update_hint' filepath='block/blk-cgroup.c' line='205' column='1'/>
+ <return type-id='1146dea3'/>
+ </function-decl>
+ <function-decl name='blocking_notifier_call_chain' mangled-name='blocking_notifier_call_chain' filepath='kernel/notifier.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blocking_notifier_call_chain'>
+ <parameter type-id='282b7312' name='nh' filepath='kernel/notifier.c' line='325' column='1'/>
+ <parameter type-id='7359adad' name='val' filepath='kernel/notifier.c' line='326' column='1'/>
+ <parameter type-id='eaa32e2f' name='v' filepath='kernel/notifier.c' line='326' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blocking_notifier_chain_register' mangled-name='blocking_notifier_chain_register' filepath='kernel/notifier.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blocking_notifier_chain_register'>
+ <parameter type-id='282b7312' name='nh' filepath='kernel/notifier.c' line='240' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='241' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='blocking_notifier_chain_unregister' mangled-name='blocking_notifier_chain_unregister' filepath='kernel/notifier.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='blocking_notifier_chain_unregister'>
+ <parameter type-id='282b7312' name='nh' filepath='kernel/notifier.c' line='270' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='271' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bmap' mangled-name='bmap' filepath='fs/inode.c' line='1702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bmap'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/inode.c' line='1702' column='1'/>
+ <parameter type-id='5c39fc92' name='block' filepath='fs/inode.c' line='1702' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bpf_dispatcher_xdp_func' mangled-name='bpf_dispatcher_xdp_func' filepath='net/core/filter.c' line='10286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_dispatcher_xdp_func'>
+ <parameter type-id='eaa32e2f' name='ctx' filepath='net/core/filter.c' line='10286' column='1'/>
+ <parameter type-id='acada613' name='insnsi' filepath='net/core/filter.c' line='10286' column='1'/>
+ <parameter type-id='531a7450' name='bpf_func' filepath='net/core/filter.c' line='10286' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='bpf_prog_add' mangled-name='bpf_prog_add' filepath='kernel/bpf/syscall.c' line='1874' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_prog_add'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/bpf/syscall.c' line='1874' column='1'/>
+ <parameter type-id='95e97e5e' name='i' filepath='kernel/bpf/syscall.c' line='1874' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_prog_put' mangled-name='bpf_prog_put' filepath='kernel/bpf/syscall.c' line='1776' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_prog_put'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/bpf/syscall.c' line='1776' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_prog_sub' mangled-name='bpf_prog_sub' filepath='kernel/bpf/syscall.c' line='1880' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_prog_sub'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/bpf/syscall.c' line='1880' column='1'/>
+ <parameter type-id='95e97e5e' name='i' filepath='kernel/bpf/syscall.c' line='1880' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='bpf_stats_enabled_key' type-id='237c0d27' mangled-name='bpf_stats_enabled_key' visibility='default' filepath='kernel/bpf/core.c' line='2347' column='1' elf-symbol-id='bpf_stats_enabled_key'/>
+ <function-decl name='bpf_trace_run1' mangled-name='bpf_trace_run1' filepath='kernel/trace/bpf_trace.c' line='2083' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run1'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2083' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2083' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run10' mangled-name='bpf_trace_run10' filepath='kernel/trace/bpf_trace.c' line='2092' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run10'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <parameter type-id='91ce1af9' name='arg9' filepath='kernel/trace/bpf_trace.c' line='2092' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run11' mangled-name='bpf_trace_run11' filepath='kernel/trace/bpf_trace.c' line='2093' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run11'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg9' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <parameter type-id='91ce1af9' name='arg10' filepath='kernel/trace/bpf_trace.c' line='2093' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run12' mangled-name='bpf_trace_run12' filepath='kernel/trace/bpf_trace.c' line='2094' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run12'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg9' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg10' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <parameter type-id='91ce1af9' name='arg11' filepath='kernel/trace/bpf_trace.c' line='2094' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run2' mangled-name='bpf_trace_run2' filepath='kernel/trace/bpf_trace.c' line='2084' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run2'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2084' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2084' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2084' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run3' mangled-name='bpf_trace_run3' filepath='kernel/trace/bpf_trace.c' line='2085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run3'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2085' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2085' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2085' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2085' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run4' mangled-name='bpf_trace_run4' filepath='kernel/trace/bpf_trace.c' line='2086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run4'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2086' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2086' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2086' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2086' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2086' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run5' mangled-name='bpf_trace_run5' filepath='kernel/trace/bpf_trace.c' line='2087' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run5'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2087' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2087' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2087' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2087' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2087' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2087' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run6' mangled-name='bpf_trace_run6' filepath='kernel/trace/bpf_trace.c' line='2088' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run6'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2088' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2088' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2088' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2088' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2088' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2088' column='1'/>
+ <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2088' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run7' mangled-name='bpf_trace_run7' filepath='kernel/trace/bpf_trace.c' line='2089' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run7'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2089' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run8' mangled-name='bpf_trace_run8' filepath='kernel/trace/bpf_trace.c' line='2090' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run8'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2090' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_trace_run9' mangled-name='bpf_trace_run9' filepath='kernel/trace/bpf_trace.c' line='2091' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_trace_run9'>
+ <parameter type-id='bdcee7ae' name='prog' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg0' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg1' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg2' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg3' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg4' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg5' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg6' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg7' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <parameter type-id='91ce1af9' name='arg8' filepath='kernel/trace/bpf_trace.c' line='2091' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bpf_warn_invalid_xdp_action' mangled-name='bpf_warn_invalid_xdp_action' filepath='net/core/filter.c' line='7900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bpf_warn_invalid_xdp_action'>
+ <parameter type-id='19c2251e' name='act' filepath='net/core/filter.c' line='7900' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bsearch' mangled-name='bsearch' filepath='lib/bsearch.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bsearch'>
+ <parameter type-id='eaa32e2f' name='key' filepath='lib/bsearch.c' line='31' column='1'/>
+ <parameter type-id='eaa32e2f' name='base' filepath='lib/bsearch.c' line='31' column='1'/>
+ <parameter type-id='b59d7dce' name='num' filepath='lib/bsearch.c' line='31' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/bsearch.c' line='31' column='1'/>
+ <parameter type-id='a08bda3c' name='cmp' filepath='lib/bsearch.c' line='31' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='bsg_job_done' mangled-name='bsg_job_done' filepath='block/bsg-lib.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bsg_job_done'>
+ <parameter type-id='397dd6bb' name='job' filepath='block/bsg-lib.c' line='181' column='1'/>
+ <parameter type-id='95e97e5e' name='result' filepath='block/bsg-lib.c' line='181' column='1'/>
+ <parameter type-id='f0981eeb' name='reply_payload_rcv_len' filepath='block/bsg-lib.c' line='182' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bsg_remove_queue' mangled-name='bsg_remove_queue' filepath='block/bsg-lib.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bsg_remove_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/bsg-lib.c' line='324' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bsg_setup_queue' mangled-name='bsg_setup_queue' filepath='block/bsg-lib.c' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bsg_setup_queue'>
+ <parameter type-id='fa0b179b' name='dev' filepath='block/bsg-lib.c' line='365' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='block/bsg-lib.c' line='365' column='1'/>
+ <parameter type-id='826d9136' name='job_fn' filepath='block/bsg-lib.c' line='366' column='1'/>
+ <parameter type-id='5646df36' name='timeout' filepath='block/bsg-lib.c' line='366' column='1'/>
+ <parameter type-id='95e97e5e' name='dd_job_size' filepath='block/bsg-lib.c' line='366' column='1'/>
+ <return type-id='e7d2a5fc'/>
+ </function-decl>
+ <function-decl name='bt_err' mangled-name='bt_err' filepath='net/bluetooth/lib.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_err'>
+ <parameter type-id='80f4b756' name='format' filepath='net/bluetooth/lib.c' line='170' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bt_info' mangled-name='bt_info' filepath='net/bluetooth/lib.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_info'>
+ <parameter type-id='80f4b756' name='format' filepath='net/bluetooth/lib.c' line='138' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bt_to_errno' mangled-name='bt_to_errno' filepath='net/bluetooth/lib.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_to_errno'>
+ <parameter type-id='d315442e' name='code' filepath='net/bluetooth/lib.c' line='45' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bt_warn' mangled-name='bt_warn' filepath='net/bluetooth/lib.c' line='154' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bt_warn'>
+ <parameter type-id='80f4b756' name='format' filepath='net/bluetooth/lib.c' line='154' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='btbcm_set_bdaddr' mangled-name='btbcm_set_bdaddr' filepath='drivers/bluetooth/btbcm.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='btbcm_set_bdaddr'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='drivers/bluetooth/btbcm.c' line='99' column='1'/>
+ <parameter type-id='c3e18af8' name='bdaddr' filepath='drivers/bluetooth/btbcm.c' line='99' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='btbcm_setup_apple' mangled-name='btbcm_setup_apple' filepath='drivers/bluetooth/btbcm.c' line='569' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='btbcm_setup_apple'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='drivers/bluetooth/btbcm.c' line='569' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='btbcm_setup_patchram' mangled-name='btbcm_setup_patchram' filepath='drivers/bluetooth/btbcm.c' line='554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='btbcm_setup_patchram'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='drivers/bluetooth/btbcm.c' line='554' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='build_skb' mangled-name='build_skb' filepath='net/core/skbuff.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='build_skb'>
+ <parameter type-id='eaa32e2f' name='data' filepath='net/core/skbuff.c' line='331' column='1'/>
+ <parameter type-id='f0981eeb' name='frag_size' filepath='net/core/skbuff.c' line='331' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='bus_find_device' mangled-name='bus_find_device' filepath='drivers/base/bus.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_find_device'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='326' column='1'/>
+ <parameter type-id='fa0b179b' name='start' filepath='drivers/base/bus.c' line='327' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/bus.c' line='327' column='1'/>
+ <parameter type-id='92d15ae9' name='match' filepath='drivers/base/bus.c' line='328' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='bus_for_each_dev' mangled-name='bus_for_each_dev' filepath='drivers/base/bus.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_for_each_dev'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='292' column='1'/>
+ <parameter type-id='fa0b179b' name='start' filepath='drivers/base/bus.c' line='292' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/bus.c' line='293' column='1'/>
+ <parameter type-id='92d15ae9' name='fn' filepath='drivers/base/bus.c' line='293' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bus_for_each_drv' mangled-name='bus_for_each_drv' filepath='drivers/base/bus.c' line='418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_for_each_drv'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='418' column='1'/>
+ <parameter type-id='00c7b870' name='start' filepath='drivers/base/bus.c' line='418' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/bus.c' line='419' column='1'/>
+ <parameter type-id='24a62f42' name='fn' filepath='drivers/base/bus.c' line='419' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bus_register' mangled-name='bus_register' filepath='drivers/base/bus.c' line='802' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_register'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='802' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bus_register_notifier' mangled-name='bus_register_notifier' filepath='drivers/base/bus.c' line='901' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_register_notifier'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='901' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/base/bus.c' line='901' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bus_set_iommu' mangled-name='bus_set_iommu' filepath='drivers/iommu/iommu.c' line='1835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_set_iommu'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/iommu/iommu.c' line='1835' column='1'/>
+ <parameter type-id='f1ac64d0' name='ops' filepath='drivers/iommu/iommu.c' line='1835' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='bus_unregister' mangled-name='bus_unregister' filepath='drivers/base/bus.c' line='887' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_unregister'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='887' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='bus_unregister_notifier' mangled-name='bus_unregister_notifier' filepath='drivers/base/bus.c' line='907' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='bus_unregister_notifier'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/base/bus.c' line='907' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/base/bus.c' line='907' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cache_line_size' mangled-name='cache_line_size' filepath='arch/arm64/kernel/cacheinfo.c' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cache_line_size'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='call_netdevice_notifiers' mangled-name='call_netdevice_notifiers' filepath='net/core/dev.c' line='2078' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='call_netdevice_notifiers'>
+ <parameter type-id='7359adad' name='val' filepath='net/core/dev.c' line='2078' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='2078' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='call_rcu' mangled-name='call_rcu' filepath='kernel/rcu/tree.c' line='3034' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='call_rcu'>
+ <parameter type-id='69c138b1' name='head' filepath='kernel/rcu/tree.c' line='3034' column='1'/>
+ <parameter type-id='4edd56e3' name='func' filepath='kernel/rcu/tree.c' line='3034' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='call_rcu_tasks' mangled-name='call_rcu_tasks' filepath='kernel/rcu/tasks.h' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='call_rcu_tasks'>
+ <parameter type-id='69c138b1' name='rhp' filepath='kernel/rcu/tasks.h' line='516' column='1'/>
+ <parameter type-id='4edd56e3' name='func' filepath='kernel/rcu/tasks.h' line='516' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='call_rcu_tasks_trace' mangled-name='call_rcu_tasks_trace' filepath='kernel/rcu/tasks.h' line='1139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='call_rcu_tasks_trace'>
+ <parameter type-id='69c138b1' name='rhp' filepath='kernel/rcu/tasks.h' line='1139' column='1'/>
+ <parameter type-id='4edd56e3' name='func' filepath='kernel/rcu/tasks.h' line='1139' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='call_srcu' mangled-name='call_srcu' filepath='kernel/rcu/srcutree.c' line='909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='call_srcu'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='909' column='1'/>
+ <parameter type-id='69c138b1' name='rhp' filepath='kernel/rcu/srcutree.c' line='909' column='1'/>
+ <parameter type-id='4edd56e3' name='func' filepath='kernel/rcu/srcutree.c' line='910' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='can_change_mtu' mangled-name='can_change_mtu' filepath='drivers/net/can/dev/dev.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_change_mtu'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='807' column='1'/>
+ <parameter type-id='95e97e5e' name='new_mtu' filepath='drivers/net/can/dev/dev.c' line='807' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='can_free_echo_skb' mangled-name='can_free_echo_skb' filepath='drivers/net/can/dev/dev.c' line='559' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_free_echo_skb'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='559' column='1'/>
+ <parameter type-id='f0981eeb' name='idx' filepath='drivers/net/can/dev/dev.c' line='559' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='can_get_echo_skb' mangled-name='can_get_echo_skb' filepath='drivers/net/can/dev/dev.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_get_echo_skb'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='536' column='1'/>
+ <parameter type-id='f0981eeb' name='idx' filepath='drivers/net/can/dev/dev.c' line='536' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='can_put_echo_skb' mangled-name='can_put_echo_skb' filepath='drivers/net/can/dev/dev.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='can_put_echo_skb'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/can/dev/dev.c' line='460' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='460' column='1'/>
+ <parameter type-id='f0981eeb' name='idx' filepath='drivers/net/can/dev/dev.c' line='461' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cancel_delayed_work' mangled-name='cancel_delayed_work' filepath='kernel/workqueue.c' line='3268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cancel_delayed_work'>
+ <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='3268' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='cancel_delayed_work_sync' mangled-name='cancel_delayed_work_sync' filepath='kernel/workqueue.c' line='3283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cancel_delayed_work_sync'>
+ <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='3283' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='cancel_work_sync' mangled-name='cancel_work_sync' filepath='kernel/workqueue.c' line='3187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cancel_work_sync'>
+ <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='3187' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='capable' mangled-name='capable' filepath='kernel/capability.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='capable'>
+ <parameter type-id='95e97e5e' name='cap' filepath='kernel/capability.c' line='447' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='cdc_ncm_bind_common' mangled-name='cdc_ncm_bind_common' filepath='drivers/net/usb/cdc_ncm.c' line='802' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_bind_common'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/cdc_ncm.c' line='802' column='1'/>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/cdc_ncm.c' line='802' column='1'/>
+ <parameter type-id='f9b06939' name='data_altsetting' filepath='drivers/net/usb/cdc_ncm.c' line='802' column='1'/>
+ <parameter type-id='95e97e5e' name='drvflags' filepath='drivers/net/usb/cdc_ncm.c' line='802' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cdc_ncm_change_mtu' mangled-name='cdc_ncm_change_mtu' filepath='drivers/net/usb/cdc_ncm.c' line='779' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_change_mtu'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/cdc_ncm.c' line='779' column='1'/>
+ <parameter type-id='95e97e5e' name='new_mtu' filepath='drivers/net/usb/cdc_ncm.c' line='779' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cdc_ncm_fill_tx_frame' mangled-name='cdc_ncm_fill_tx_frame' filepath='drivers/net/usb/cdc_ncm.c' line='1181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_fill_tx_frame'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/cdc_ncm.c' line='1181' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/usb/cdc_ncm.c' line='1181' column='1'/>
+ <parameter type-id='2f162548' name='sign' filepath='drivers/net/usb/cdc_ncm.c' line='1181' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='cdc_ncm_rx_verify_ndp16' mangled-name='cdc_ncm_rx_verify_ndp16' filepath='drivers/net/usb/cdc_ncm.c' line='1628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_rx_verify_ndp16'>
+ <parameter type-id='0fbf3cfd' name='skb_in' filepath='drivers/net/usb/cdc_ncm.c' line='1628' column='1'/>
+ <parameter type-id='95e97e5e' name='ndpoffset' filepath='drivers/net/usb/cdc_ncm.c' line='1628' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cdc_ncm_rx_verify_nth16' mangled-name='cdc_ncm_rx_verify_nth16' filepath='drivers/net/usb/cdc_ncm.c' line='1531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_rx_verify_nth16'>
+ <parameter type-id='c786c422' name='ctx' filepath='drivers/net/usb/cdc_ncm.c' line='1531' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb_in' filepath='drivers/net/usb/cdc_ncm.c' line='1531' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cdc_ncm_select_altsetting' mangled-name='cdc_ncm_select_altsetting' filepath='drivers/net/usb/cdc_ncm.c' line='1013' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_select_altsetting'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/cdc_ncm.c' line='1013' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='cdc_ncm_unbind' mangled-name='cdc_ncm_unbind' filepath='drivers/net/usb/cdc_ncm.c' line='975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_ncm_unbind'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/cdc_ncm.c' line='975' column='1'/>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/cdc_ncm.c' line='975' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cdc_parse_cdc_header' mangled-name='cdc_parse_cdc_header' filepath='drivers/usb/core/message.c' line='2279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdc_parse_cdc_header'>
+ <parameter type-id='16f45b2c' name='hdr' filepath='drivers/usb/core/message.c' line='2279' column='1'/>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/message.c' line='2280' column='1'/>
+ <parameter type-id='8bff8096' name='buffer' filepath='drivers/usb/core/message.c' line='2281' column='1'/>
+ <parameter type-id='95e97e5e' name='buflen' filepath='drivers/usb/core/message.c' line='2282' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cdev_add' mangled-name='cdev_add' filepath='fs/char_dev.c' line='479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_add'>
+ <parameter type-id='3e6eb939' name='p' filepath='fs/char_dev.c' line='479' column='1'/>
+ <parameter type-id='8504f260' name='dev' filepath='fs/char_dev.c' line='479' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='479' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cdev_alloc' mangled-name='cdev_alloc' filepath='fs/char_dev.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_alloc'>
+ <return type-id='3e6eb939'/>
+ </function-decl>
+ <function-decl name='cdev_del' mangled-name='cdev_del' filepath='fs/char_dev.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_del'>
+ <parameter type-id='3e6eb939' name='p' filepath='fs/char_dev.c' line='594' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cdev_device_add' mangled-name='cdev_device_add' filepath='fs/char_dev.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_device_add'>
+ <parameter type-id='3e6eb939' name='cdev' filepath='fs/char_dev.c' line='537' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='fs/char_dev.c' line='537' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cdev_device_del' mangled-name='cdev_device_del' filepath='fs/char_dev.c' line='571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_device_del'>
+ <parameter type-id='3e6eb939' name='cdev' filepath='fs/char_dev.c' line='571' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='fs/char_dev.c' line='571' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cdev_init' mangled-name='cdev_init' filepath='fs/char_dev.c' line='651' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cdev_init'>
+ <parameter type-id='3e6eb939' name='cdev' filepath='fs/char_dev.c' line='651' column='1'/>
+ <parameter type-id='61758ee5' name='fops' filepath='fs/char_dev.c' line='651' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ce_aes_expandkey' mangled-name='ce_aes_expandkey' filepath='arch/arm64/crypto/aes-ce-glue.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ce_aes_expandkey'>
+ <parameter type-id='21370cb4' name='ctx' filepath='arch/arm64/crypto/aes-ce-glue.c' line='74' column='1'/>
+ <parameter type-id='bbaf3419' name='in_key' filepath='arch/arm64/crypto/aes-ce-glue.c' line='74' column='1'/>
+ <parameter type-id='f0981eeb' name='key_len' filepath='arch/arm64/crypto/aes-ce-glue.c' line='75' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cec_allocate_adapter' mangled-name='cec_allocate_adapter' filepath='drivers/media/cec/core/cec-core.c' line='235' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_allocate_adapter'>
+ <parameter type-id='4bc4fd45' name='ops' filepath='drivers/media/cec/core/cec-core.c' line='235' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/cec/core/cec-core.c' line='236' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/media/cec/core/cec-core.c' line='236' column='1'/>
+ <parameter type-id='19c2251e' name='caps' filepath='drivers/media/cec/core/cec-core.c' line='236' column='1'/>
+ <parameter type-id='f9b06939' name='available_las' filepath='drivers/media/cec/core/cec-core.c' line='237' column='1'/>
+ <return type-id='b94a2f7c'/>
+ </function-decl>
+ <function-decl name='cec_delete_adapter' mangled-name='cec_delete_adapter' filepath='drivers/media/cec/core/cec-core.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_delete_adapter'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-core.c' line='395' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_fill_conn_info_from_drm' mangled-name='cec_fill_conn_info_from_drm' filepath='drivers/media/cec/core/cec-adap.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_fill_conn_info_from_drm'>
+ <parameter type-id='aa4339b3' name='conn_info' filepath='drivers/media/cec/core/cec-adap.c' line='81' column='1'/>
+ <parameter type-id='0e1f87e5' name='connector' filepath='drivers/media/cec/core/cec-adap.c' line='82' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_notifier_cec_adap_register' mangled-name='cec_notifier_cec_adap_register' filepath='drivers/media/cec/core/cec-notifier.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_cec_adap_register'>
+ <parameter type-id='fa0b179b' name='hdmi_dev' filepath='drivers/media/cec/core/cec-notifier.c' line='147' column='1'/>
+ <parameter type-id='80f4b756' name='port_name' filepath='drivers/media/cec/core/cec-notifier.c' line='147' column='1'/>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-notifier.c' line='148' column='1'/>
+ <return type-id='33ceb73d'/>
+ </function-decl>
+ <function-decl name='cec_notifier_cec_adap_unregister' mangled-name='cec_notifier_cec_adap_unregister' filepath='drivers/media/cec/core/cec-notifier.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_cec_adap_unregister'>
+ <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='170' column='1'/>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-notifier.c' line='171' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_notifier_conn_register' mangled-name='cec_notifier_conn_register' filepath='drivers/media/cec/core/cec-notifier.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_conn_register'>
+ <parameter type-id='fa0b179b' name='hdmi_dev' filepath='drivers/media/cec/core/cec-notifier.c' line='104' column='1'/>
+ <parameter type-id='80f4b756' name='port_name' filepath='drivers/media/cec/core/cec-notifier.c' line='104' column='1'/>
+ <parameter type-id='412c012c' name='conn_info' filepath='drivers/media/cec/core/cec-notifier.c' line='105' column='1'/>
+ <return type-id='33ceb73d'/>
+ </function-decl>
+ <function-decl name='cec_notifier_conn_unregister' mangled-name='cec_notifier_conn_unregister' filepath='drivers/media/cec/core/cec-notifier.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_conn_unregister'>
+ <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='128' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_notifier_set_phys_addr' mangled-name='cec_notifier_set_phys_addr' filepath='drivers/media/cec/core/cec-notifier.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_set_phys_addr'>
+ <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='184' column='1'/>
+ <parameter type-id='1dc6a898' name='pa' filepath='drivers/media/cec/core/cec-notifier.c' line='184' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_notifier_set_phys_addr_from_edid' mangled-name='cec_notifier_set_phys_addr_from_edid' filepath='drivers/media/cec/core/cec-notifier.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_notifier_set_phys_addr_from_edid'>
+ <parameter type-id='33ceb73d' name='n' filepath='drivers/media/cec/core/cec-notifier.c' line='197' column='1'/>
+ <parameter type-id='776adf76' name='edid' filepath='drivers/media/cec/core/cec-notifier.c' line='198' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_queue_pin_hpd_event' mangled-name='cec_queue_pin_hpd_event' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_queue_pin_hpd_event'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1'/>
+ <parameter type-id='b50a4934' name='is_high' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1'/>
+ <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='190' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_received_msg_ts' mangled-name='cec_received_msg_ts' filepath='drivers/media/cec/core/cec-adap.c' line='1041' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_received_msg_ts'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1041' column='1'/>
+ <parameter type-id='ffb3cc6e' name='msg' filepath='drivers/media/cec/core/cec-adap.c' line='1042' column='1'/>
+ <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='1042' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_register_adapter' mangled-name='cec_register_adapter' filepath='drivers/media/cec/core/cec-core.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_register_adapter'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-core.c' line='318' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/media/cec/core/cec-core.c' line='319' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cec_s_log_addrs' mangled-name='cec_s_log_addrs' filepath='drivers/media/cec/core/cec-adap.c' line='1816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_s_log_addrs'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1816' column='1'/>
+ <parameter type-id='ebc04a66' name='log_addrs' filepath='drivers/media/cec/core/cec-adap.c' line='1817' column='1'/>
+ <parameter type-id='b50a4934' name='block' filepath='drivers/media/cec/core/cec-adap.c' line='1817' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cec_s_phys_addr' mangled-name='cec_s_phys_addr' filepath='drivers/media/cec/core/cec-adap.c' line='1612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_s_phys_addr'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1612' column='1'/>
+ <parameter type-id='1dc6a898' name='phys_addr' filepath='drivers/media/cec/core/cec-adap.c' line='1612' column='1'/>
+ <parameter type-id='b50a4934' name='block' filepath='drivers/media/cec/core/cec-adap.c' line='1612' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_s_phys_addr_from_edid' mangled-name='cec_s_phys_addr_from_edid' filepath='drivers/media/cec/core/cec-adap.c' line='1623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_s_phys_addr_from_edid'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='1623' column='1'/>
+ <parameter type-id='776adf76' name='edid' filepath='drivers/media/cec/core/cec-adap.c' line='1624' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_transmit_attempt_done_ts' mangled-name='cec_transmit_attempt_done_ts' filepath='drivers/media/cec/core/cec-adap.c' line='690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_transmit_attempt_done_ts'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='690' column='1'/>
+ <parameter type-id='f9b06939' name='status' filepath='drivers/media/cec/core/cec-adap.c' line='691' column='1'/>
+ <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='691' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_transmit_done_ts' mangled-name='cec_transmit_done_ts' filepath='drivers/media/cec/core/cec-adap.c' line='593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_transmit_done_ts'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-adap.c' line='593' column='1'/>
+ <parameter type-id='f9b06939' name='status' filepath='drivers/media/cec/core/cec-adap.c' line='593' column='1'/>
+ <parameter type-id='f9b06939' name='arb_lost_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='594' column='1'/>
+ <parameter type-id='f9b06939' name='nack_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='594' column='1'/>
+ <parameter type-id='f9b06939' name='low_drive_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='594' column='1'/>
+ <parameter type-id='f9b06939' name='error_cnt' filepath='drivers/media/cec/core/cec-adap.c' line='595' column='1'/>
+ <parameter type-id='fbc017ef' name='ts' filepath='drivers/media/cec/core/cec-adap.c' line='595' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cec_unregister_adapter' mangled-name='cec_unregister_adapter' filepath='drivers/media/cec/core/cec-core.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cec_unregister_adapter'>
+ <parameter type-id='b94a2f7c' name='adap' filepath='drivers/media/cec/core/cec-core.c' line='377' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cgroup_add_legacy_cftypes' mangled-name='cgroup_add_legacy_cftypes' filepath='kernel/cgroup/cgroup.c' line='4143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cgroup_add_legacy_cftypes'>
+ <parameter type-id='dc91d125' name='ss' filepath='kernel/cgroup/cgroup.c' line='4143' column='1'/>
+ <parameter type-id='03054cfa' name='cfts' filepath='kernel/cgroup/cgroup.c' line='4143' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cgroup_path_ns' mangled-name='cgroup_path_ns' filepath='kernel/cgroup/cgroup.c' line='2268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cgroup_path_ns'>
+ <parameter type-id='46ff135d' name='cgrp' filepath='kernel/cgroup/cgroup.c' line='2268' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='kernel/cgroup/cgroup.c' line='2268' column='1'/>
+ <parameter type-id='b59d7dce' name='buflen' filepath='kernel/cgroup/cgroup.c' line='2268' column='1'/>
+ <parameter type-id='f774a955' name='ns' filepath='kernel/cgroup/cgroup.c' line='2269' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cgroup_taskset_first' mangled-name='cgroup_taskset_first' filepath='kernel/cgroup/cgroup.c' line='2370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cgroup_taskset_first'>
+ <parameter type-id='8cffa561' name='tset' filepath='kernel/cgroup/cgroup.c' line='2370' column='1'/>
+ <parameter type-id='e7f9d97b' name='dst_cssp' filepath='kernel/cgroup/cgroup.c' line='2371' column='1'/>
+ <return type-id='f23e2572'/>
+ </function-decl>
+ <function-decl name='cgroup_taskset_next' mangled-name='cgroup_taskset_next' filepath='kernel/cgroup/cgroup.c' line='2388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cgroup_taskset_next'>
+ <parameter type-id='8cffa561' name='tset' filepath='kernel/cgroup/cgroup.c' line='2388' column='1'/>
+ <parameter type-id='e7f9d97b' name='dst_cssp' filepath='kernel/cgroup/cgroup.c' line='2389' column='1'/>
+ <return type-id='f23e2572'/>
+ </function-decl>
+ <function-decl name='check_preempt_curr' mangled-name='check_preempt_curr' filepath='kernel/sched/core.c' line='1776' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='check_preempt_curr'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='1776' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1776' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='kernel/sched/core.c' line='1776' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='check_zeroed_user' mangled-name='check_zeroed_user' filepath='lib/usercopy.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='check_zeroed_user'>
+ <parameter type-id='eaa32e2f' name='from' filepath='lib/usercopy.c' line='54' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/usercopy.c' line='54' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='class_create_file_ns' mangled-name='class_create_file_ns' filepath='drivers/base/class.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_create_file_ns'>
+ <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='88' column='1'/>
+ <parameter type-id='9a53a8a3' name='attr' filepath='drivers/base/class.c' line='88' column='1'/>
+ <parameter type-id='eaa32e2f' name='ns' filepath='drivers/base/class.c' line='89' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='class_destroy' mangled-name='class_destroy' filepath='drivers/base/class.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_destroy'>
+ <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='261' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='class_find_device' mangled-name='class_find_device' filepath='drivers/base/class.c' line='399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_find_device'>
+ <parameter type-id='67aca04f' name='class' filepath='drivers/base/class.c' line='399' column='1'/>
+ <parameter type-id='fa0b179b' name='start' filepath='drivers/base/class.c' line='399' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/class.c' line='400' column='1'/>
+ <parameter type-id='92d15ae9' name='match' filepath='drivers/base/class.c' line='401' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='class_for_each_device' mangled-name='class_for_each_device' filepath='drivers/base/class.c' line='352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_for_each_device'>
+ <parameter type-id='67aca04f' name='class' filepath='drivers/base/class.c' line='352' column='1'/>
+ <parameter type-id='fa0b179b' name='start' filepath='drivers/base/class.c' line='352' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/class.c' line='353' column='1'/>
+ <parameter type-id='92d15ae9' name='fn' filepath='drivers/base/class.c' line='353' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='class_interface_unregister' mangled-name='class_interface_unregister' filepath='drivers/base/class.c' line='453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_interface_unregister'>
+ <parameter type-id='ec167ceb' name='class_intf' filepath='drivers/base/class.c' line='453' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='class_remove_file_ns' mangled-name='class_remove_file_ns' filepath='drivers/base/class.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_remove_file_ns'>
+ <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='101' column='1'/>
+ <parameter type-id='9a53a8a3' name='attr' filepath='drivers/base/class.c' line='101' column='1'/>
+ <parameter type-id='eaa32e2f' name='ns' filepath='drivers/base/class.c' line='102' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='class_unregister' mangled-name='class_unregister' filepath='drivers/base/class.c' line='199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='class_unregister'>
+ <parameter type-id='67aca04f' name='cls' filepath='drivers/base/class.c' line='199' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cleancache_register_ops' mangled-name='cleancache_register_ops' filepath='mm/cleancache.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cleancache_register_ops'>
+ <parameter type-id='fccfeeec' name='ops' filepath='mm/cleancache.c' line='51' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cleanup_srcu_struct' mangled-name='cleanup_srcu_struct' filepath='kernel/rcu/srcutree.c' line='373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cleanup_srcu_struct'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='373' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_bulk_disable' mangled-name='clk_bulk_disable' filepath='drivers/clk/clk-bulk.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_disable'>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='211' column='1'/>
+ <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='211' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_bulk_enable' mangled-name='clk_bulk_enable' filepath='drivers/clk/clk-bulk.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_enable'>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='227' column='1'/>
+ <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='227' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_bulk_get' mangled-name='clk_bulk_get' filepath='drivers/clk/clk-bulk.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-bulk.c' line='114' column='1'/>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='114' column='1'/>
+ <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-bulk.c' line='115' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_bulk_get_all' mangled-name='clk_bulk_get_all' filepath='drivers/clk/clk-bulk.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_get_all'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-bulk.c' line='139' column='1'/>
+ <parameter type-id='734c20ed' name='clks' filepath='drivers/clk/clk-bulk.c' line='140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_bulk_prepare' mangled-name='clk_bulk_prepare' filepath='drivers/clk/clk-bulk.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_prepare'>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='176' column='1'/>
+ <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='177' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_bulk_put' mangled-name='clk_bulk_put' filepath='drivers/clk/clk-bulk.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_put'>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='72' column='1'/>
+ <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-bulk.c' line='72' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_bulk_put_all' mangled-name='clk_bulk_put_all' filepath='drivers/clk/clk-bulk.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_put_all'>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='128' column='1'/>
+ <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-bulk.c' line='128' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_bulk_unprepare' mangled-name='clk_bulk_unprepare' filepath='drivers/clk/clk-bulk.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_bulk_unprepare'>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-bulk.c' line='161' column='1'/>
+ <parameter type-id='f034b024' name='clks' filepath='drivers/clk/clk-bulk.c' line='161' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_disable' mangled-name='clk_disable' filepath='drivers/clk/clk.c' line='995' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_disable'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='995' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='clk_divider_ops' type-id='92072f8b' mangled-name='clk_divider_ops' visibility='default' filepath='drivers/clk/clk-divider.c' line='453' column='1' elf-symbol-id='clk_divider_ops'/>
+ <var-decl name='clk_divider_ro_ops' type-id='92072f8b' mangled-name='clk_divider_ro_ops' visibility='default' filepath='drivers/clk/clk-divider.c' line='460' column='1' elf-symbol-id='clk_divider_ro_ops'/>
+ <function-decl name='clk_enable' mangled-name='clk_enable' filepath='drivers/clk/clk.c' line='1160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_enable'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='1160' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='clk_fixed_factor_ops' type-id='92072f8b' mangled-name='clk_fixed_factor_ops' visibility='default' filepath='drivers/clk/clk-fixed-factor.c' line='60' column='1' elf-symbol-id='clk_fixed_factor_ops'/>
+ <var-decl name='clk_fixed_rate_ops' type-id='92072f8b' mangled-name='clk_fixed_rate_ops' visibility='default' filepath='drivers/clk/clk-fixed-rate.c' line='46' column='1' elf-symbol-id='clk_fixed_rate_ops'/>
+ <var-decl name='clk_fractional_divider_ops' type-id='92072f8b' mangled-name='clk_fractional_divider_ops' visibility='default' filepath='drivers/clk/clk-fractional-divider.c' line='148' column='1' elf-symbol-id='clk_fractional_divider_ops'/>
+ <var-decl name='clk_gate_ops' type-id='92072f8b' mangled-name='clk_gate_ops' visibility='default' filepath='drivers/clk/clk-gate.c' line='119' column='1' elf-symbol-id='clk_gate_ops'/>
+ <function-decl name='clk_get' mangled-name='clk_get' filepath='drivers/clk/clkdev.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clkdev.c' line='100' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clkdev.c' line='100' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_get_parent' mangled-name='clk_get_parent' filepath='drivers/clk/clk.c' line='2489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get_parent'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2489' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_get_phase' mangled-name='clk_get_phase' filepath='drivers/clk/clk.c' line='2773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get_phase'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2773' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_get_rate' mangled-name='clk_get_rate' filepath='drivers/clk/clk.c' line='1673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_get_rate'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='1673' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='clk_hw_get_flags' mangled-name='clk_hw_get_flags' filepath='drivers/clk/clk.c' line='505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_flags'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='505' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='clk_hw_get_name' mangled-name='clk_hw_get_name' filepath='drivers/clk/clk.c' line='272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_name'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='272' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='clk_hw_get_num_parents' mangled-name='clk_hw_get_num_parents' filepath='drivers/clk/clk.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_num_parents'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='284' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='clk_hw_get_parent' mangled-name='clk_hw_get_parent' filepath='drivers/clk/clk.c' line='290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_parent'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='290' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='clk_hw_get_parent_by_index' mangled-name='clk_hw_get_parent_by_index' filepath='drivers/clk/clk.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_parent_by_index'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='460' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/clk/clk.c' line='460' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='clk_hw_get_rate' mangled-name='clk_hw_get_rate' filepath='drivers/clk/clk.c' line='491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_get_rate'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='491' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='clk_hw_is_enabled' mangled-name='clk_hw_is_enabled' filepath='drivers/clk/clk.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_is_enabled'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='523' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='clk_hw_is_prepared' mangled-name='clk_hw_is_prepared' filepath='drivers/clk/clk.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_is_prepared'>
+ <parameter type-id='9e6d4b4e' name='hw' filepath='drivers/clk/clk.c' line='511' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='clk_hw_register' mangled-name='clk_hw_register' filepath='drivers/clk/clk.c' line='4001' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4001' column='1'/>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4001' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_hw_register_composite' mangled-name='clk_hw_register_composite' filepath='drivers/clk/clk-composite.c' line='319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_register_composite'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-composite.c' line='319' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-composite.c' line='319' column='1'/>
+ <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-composite.c' line='320' column='1'/>
+ <parameter type-id='95e97e5e' name='num_parents' filepath='drivers/clk/clk-composite.c' line='320' column='1'/>
+ <parameter type-id='3aaeef89' name='mux_hw' filepath='drivers/clk/clk-composite.c' line='321' column='1'/>
+ <parameter type-id='824ffa73' name='mux_ops' filepath='drivers/clk/clk-composite.c' line='321' column='1'/>
+ <parameter type-id='3aaeef89' name='rate_hw' filepath='drivers/clk/clk-composite.c' line='322' column='1'/>
+ <parameter type-id='824ffa73' name='rate_ops' filepath='drivers/clk/clk-composite.c' line='322' column='1'/>
+ <parameter type-id='3aaeef89' name='gate_hw' filepath='drivers/clk/clk-composite.c' line='323' column='1'/>
+ <parameter type-id='824ffa73' name='gate_ops' filepath='drivers/clk/clk-composite.c' line='323' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-composite.c' line='324' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='clk_hw_register_fixed_factor' mangled-name='clk_hw_register_fixed_factor' filepath='drivers/clk/clk-fixed-factor.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_register_fixed_factor'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-fixed-factor.c' line='109' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-fixed-factor.c' line='110' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-fixed-factor.c' line='110' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-fixed-factor.c' line='110' column='1'/>
+ <parameter type-id='f0981eeb' name='mult' filepath='drivers/clk/clk-fixed-factor.c' line='111' column='1'/>
+ <parameter type-id='f0981eeb' name='div' filepath='drivers/clk/clk-fixed-factor.c' line='111' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='clk_hw_round_rate' mangled-name='clk_hw_round_rate' filepath='drivers/clk/clk.c' line='1454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_round_rate'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='1454' column='1'/>
+ <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk.c' line='1454' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='clk_hw_set_rate_range' mangled-name='clk_hw_set_rate_range' filepath='drivers/clk/clk.c' line='636' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_set_rate_range'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='636' column='1'/>
+ <parameter type-id='7359adad' name='min_rate' filepath='drivers/clk/clk.c' line='636' column='1'/>
+ <parameter type-id='7359adad' name='max_rate' filepath='drivers/clk/clk.c' line='637' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_hw_unregister' mangled-name='clk_hw_unregister' filepath='drivers/clk/clk.c' line='4166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4166' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_hw_unregister_divider' mangled-name='clk_hw_unregister_divider' filepath='drivers/clk/clk-divider.c' line='576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_divider'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='576' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_hw_unregister_fixed_factor' mangled-name='clk_hw_unregister_fixed_factor' filepath='drivers/clk/clk-fixed-factor.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_fixed_factor'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-fixed-factor.c' line='145' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_hw_unregister_gate' mangled-name='clk_hw_unregister_gate' filepath='drivers/clk/clk-gate.c' line='215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_gate'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-gate.c' line='215' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_hw_unregister_mux' mangled-name='clk_hw_unregister_mux' filepath='drivers/clk/clk-mux.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_hw_unregister_mux'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-mux.c' line='241' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_is_match' mangled-name='clk_is_match' filepath='drivers/clk/clk.c' line='2965' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_is_match'>
+ <parameter type-id='10f66866' name='p' filepath='drivers/clk/clk.c' line='2965' column='1'/>
+ <parameter type-id='10f66866' name='q' filepath='drivers/clk/clk.c' line='2965' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='clk_mux_index_to_val' mangled-name='clk_mux_index_to_val' filepath='drivers/clk/clk-mux.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_mux_index_to_val'>
+ <parameter type-id='f9409001' name='table' filepath='drivers/clk/clk-mux.c' line='69' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='drivers/clk/clk-mux.c' line='69' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/clk/clk-mux.c' line='69' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <var-decl name='clk_mux_ops' type-id='92072f8b' mangled-name='clk_mux_ops' visibility='default' filepath='drivers/clk/clk-mux.c' line='136' column='1' elf-symbol-id='clk_mux_ops'/>
+ <var-decl name='clk_mux_ro_ops' type-id='92072f8b' mangled-name='clk_mux_ro_ops' visibility='default' filepath='drivers/clk/clk-mux.c' line='143' column='1' elf-symbol-id='clk_mux_ro_ops'/>
+ <function-decl name='clk_notifier_register' mangled-name='clk_notifier_register' filepath='drivers/clk/clk.c' line='4396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_notifier_register'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='4396' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/clk/clk.c' line='4396' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_notifier_unregister' mangled-name='clk_notifier_unregister' filepath='drivers/clk/clk.c' line='4444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_notifier_unregister'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='4444' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/clk/clk.c' line='4444' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_prepare' mangled-name='clk_prepare' filepath='drivers/clk/clk.c' line='938' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_prepare'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='938' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_put' mangled-name='clk_put' filepath='drivers/clk/clkdev.c' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_put'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clkdev.c' line='115' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_register' mangled-name='clk_register' filepath='drivers/clk/clk.c' line='3985' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='3985' column='1'/>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='3985' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_register_clkdev' mangled-name='clk_register_clkdev' filepath='drivers/clk/clkdev.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_clkdev'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clkdev.c' line='341' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clkdev.c' line='341' column='1'/>
+ <parameter type-id='80f4b756' name='dev_id' filepath='drivers/clk/clkdev.c' line='342' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_register_composite' mangled-name='clk_register_composite' filepath='drivers/clk/clk-composite.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_composite'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-composite.c' line='348' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-composite.c' line='348' column='1'/>
+ <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-composite.c' line='349' column='1'/>
+ <parameter type-id='95e97e5e' name='num_parents' filepath='drivers/clk/clk-composite.c' line='349' column='1'/>
+ <parameter type-id='3aaeef89' name='mux_hw' filepath='drivers/clk/clk-composite.c' line='350' column='1'/>
+ <parameter type-id='824ffa73' name='mux_ops' filepath='drivers/clk/clk-composite.c' line='350' column='1'/>
+ <parameter type-id='3aaeef89' name='rate_hw' filepath='drivers/clk/clk-composite.c' line='351' column='1'/>
+ <parameter type-id='824ffa73' name='rate_ops' filepath='drivers/clk/clk-composite.c' line='351' column='1'/>
+ <parameter type-id='3aaeef89' name='gate_hw' filepath='drivers/clk/clk-composite.c' line='352' column='1'/>
+ <parameter type-id='824ffa73' name='gate_ops' filepath='drivers/clk/clk-composite.c' line='352' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-composite.c' line='353' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_register_divider_table' mangled-name='clk_register_divider_table' filepath='drivers/clk/clk-divider.c' line='539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_divider_table'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-divider.c' line='539' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-divider.c' line='539' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-divider.c' line='540' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='540' column='1'/>
+ <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-divider.c' line='541' column='1'/>
+ <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-divider.c' line='541' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='541' column='1'/>
+ <parameter type-id='f9b06939' name='clk_divider_flags' filepath='drivers/clk/clk-divider.c' line='542' column='1'/>
+ <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='542' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-divider.c' line='543' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_register_fixed_factor' mangled-name='clk_register_fixed_factor' filepath='drivers/clk/clk-fixed-factor.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_fixed_factor'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-fixed-factor.c' line='118' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-fixed-factor.c' line='118' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-fixed-factor.c' line='119' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-fixed-factor.c' line='119' column='1'/>
+ <parameter type-id='f0981eeb' name='mult' filepath='drivers/clk/clk-fixed-factor.c' line='120' column='1'/>
+ <parameter type-id='f0981eeb' name='div' filepath='drivers/clk/clk-fixed-factor.c' line='120' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_register_fixed_rate' mangled-name='clk_register_fixed_rate' filepath='drivers/clk/clk-fixed-rate.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_fixed_rate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-fixed-rate.c' line='101' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-fixed-rate.c' line='101' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-fixed-rate.c' line='102' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-fixed-rate.c' line='102' column='1'/>
+ <parameter type-id='7359adad' name='fixed_rate' filepath='drivers/clk/clk-fixed-rate.c' line='103' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_register_gate' mangled-name='clk_register_gate' filepath='drivers/clk/clk-gate.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_gate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-gate.c' line='184' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-gate.c' line='184' column='1'/>
+ <parameter type-id='80f4b756' name='parent_name' filepath='drivers/clk/clk-gate.c' line='185' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-gate.c' line='185' column='1'/>
+ <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-gate.c' line='186' column='1'/>
+ <parameter type-id='f9b06939' name='bit_idx' filepath='drivers/clk/clk-gate.c' line='186' column='1'/>
+ <parameter type-id='f9b06939' name='clk_gate_flags' filepath='drivers/clk/clk-gate.c' line='187' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-gate.c' line='187' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_register_mux_table' mangled-name='clk_register_mux_table' filepath='drivers/clk/clk-mux.c' line='209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_register_mux_table'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-mux.c' line='209' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk-mux.c' line='209' column='1'/>
+ <parameter type-id='13956559' name='parent_names' filepath='drivers/clk/clk-mux.c' line='210' column='1'/>
+ <parameter type-id='f9b06939' name='num_parents' filepath='drivers/clk/clk-mux.c' line='210' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+ <parameter type-id='eaa32e2f' name='reg' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+ <parameter type-id='f9b06939' name='shift' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='drivers/clk/clk-mux.c' line='211' column='1'/>
+ <parameter type-id='f9b06939' name='clk_mux_flags' filepath='drivers/clk/clk-mux.c' line='212' column='1'/>
+ <parameter type-id='f9409001' name='table' filepath='drivers/clk/clk-mux.c' line='212' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='drivers/clk/clk-mux.c' line='212' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='clk_round_rate' mangled-name='clk_round_rate' filepath='drivers/clk/clk.c' line='1479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_round_rate'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='1479' column='1'/>
+ <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk.c' line='1479' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='clk_set_parent' mangled-name='clk_set_parent' filepath='drivers/clk/clk.c' line='2653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_set_parent'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2653' column='1'/>
+ <parameter type-id='7d0bc0eb' name='parent' filepath='drivers/clk/clk.c' line='2653' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_set_phase' mangled-name='clk_set_phase' filepath='drivers/clk/clk.c' line='2722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_set_phase'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2722' column='1'/>
+ <parameter type-id='95e97e5e' name='degrees' filepath='drivers/clk/clk.c' line='2722' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_set_rate' mangled-name='clk_set_rate' filepath='drivers/clk/clk.c' line='2309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_set_rate'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='2309' column='1'/>
+ <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk.c' line='2309' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='clk_sync_state' mangled-name='clk_sync_state' filepath='drivers/clk/clk.c' line='1327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_sync_state'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='1327' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_unprepare' mangled-name='clk_unprepare' filepath='drivers/clk/clk.c' line='857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_unprepare'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='857' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clk_unregister' mangled-name='clk_unregister' filepath='drivers/clk/clk.c' line='4104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clk_unregister'>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk.c' line='4104' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clockevents_config_and_register' mangled-name='clockevents_config_and_register' filepath='kernel/time/clockevents.c' line='505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clockevents_config_and_register'>
+ <parameter type-id='aff725d5' name='dev' filepath='kernel/time/clockevents.c' line='505' column='1'/>
+ <parameter type-id='19c2251e' name='freq' filepath='kernel/time/clockevents.c' line='506' column='1'/>
+ <parameter type-id='7359adad' name='min_delta' filepath='kernel/time/clockevents.c' line='506' column='1'/>
+ <parameter type-id='7359adad' name='max_delta' filepath='kernel/time/clockevents.c' line='507' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='clocks_calc_mult_shift' mangled-name='clocks_calc_mult_shift' filepath='kernel/time/clocksource.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='clocks_calc_mult_shift'>
+ <parameter type-id='f9409001' name='mult' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+ <parameter type-id='f9409001' name='shift' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+ <parameter type-id='19c2251e' name='from' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+ <parameter type-id='19c2251e' name='to' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+ <parameter type-id='19c2251e' name='maxsec' filepath='kernel/time/clocksource.c' line='45' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='close_candev' mangled-name='close_candev' filepath='drivers/net/can/dev/dev.c' line='902' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='close_candev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='902' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cma_alloc' mangled-name='cma_alloc' filepath='mm/cma.c' line='436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_alloc'>
+ <parameter type-id='6f67b38a' name='cma' filepath='mm/cma.c' line='436' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='mm/cma.c' line='436' column='1'/>
+ <parameter type-id='f0981eeb' name='align' filepath='mm/cma.c' line='436' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/cma.c' line='437' column='1'/>
+ <return type-id='02f11ed4'/>
+ </function-decl>
+ <function-decl name='cma_for_each_area' mangled-name='cma_for_each_area' filepath='mm/cma.c' line='622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_for_each_area'>
+ <parameter type-id='0b3f2e4c' name='it' filepath='mm/cma.c' line='622' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='mm/cma.c' line='622' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cma_get_name' mangled-name='cma_get_name' filepath='mm/cma.c' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_get_name'>
+ <parameter type-id='4605de5b' name='cma' filepath='mm/cma.c' line='61' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='cma_release' mangled-name='cma_release' filepath='mm/cma.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cma_release'>
+ <parameter type-id='6f67b38a' name='cma' filepath='mm/cma.c' line='598' column='1'/>
+ <parameter type-id='b72f2447' name='pages' filepath='mm/cma.c' line='598' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='mm/cma.c' line='598' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='compat_alloc_user_space' mangled-name='compat_alloc_user_space' filepath='kernel/compat.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='compat_alloc_user_space'>
+ <parameter type-id='7359adad' name='len' filepath='kernel/compat.c' line='277' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='compat_only_sysfs_link_entry_to_kobj' mangled-name='compat_only_sysfs_link_entry_to_kobj' filepath='fs/sysfs/group.c' line='427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='compat_only_sysfs_link_entry_to_kobj'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='427' column='1'/>
+ <parameter type-id='d30bdc51' name='target_kobj' filepath='fs/sysfs/group.c' line='428' column='1'/>
+ <parameter type-id='80f4b756' name='target_name' filepath='fs/sysfs/group.c' line='429' column='1'/>
+ <parameter type-id='80f4b756' name='symlink_name' filepath='fs/sysfs/group.c' line='430' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='compat_ptr_ioctl' mangled-name='compat_ptr_ioctl' filepath='fs/ioctl.c' line='784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='compat_ptr_ioctl'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/ioctl.c' line='784' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='fs/ioctl.c' line='784' column='1'/>
+ <parameter type-id='7359adad' name='arg' filepath='fs/ioctl.c' line='784' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='complete' mangled-name='complete' filepath='kernel/sched/completion.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='complete'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='28' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='complete_all' mangled-name='complete_all' filepath='kernel/sched/completion.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='complete_all'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='57' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='complete_and_exit' mangled-name='complete_and_exit' filepath='kernel/exit.c' line='868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='complete_and_exit'>
+ <parameter type-id='389faaf7' name='comp' filepath='kernel/exit.c' line='868' column='1'/>
+ <parameter type-id='bd54fe1a' name='code' filepath='kernel/exit.c' line='868' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='completion_done' mangled-name='completion_done' filepath='kernel/sched/completion.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='completion_done'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='315' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='component_add' mangled-name='component_add' filepath='drivers/base/component.c' line='742' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_add'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='742' column='1'/>
+ <parameter type-id='14f24806' name='ops' filepath='drivers/base/component.c' line='742' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='component_add_typed' mangled-name='component_add_typed' filepath='drivers/base/component.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_add_typed'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='717' column='1'/>
+ <parameter type-id='14f24806' name='ops' filepath='drivers/base/component.c' line='717' column='1'/>
+ <parameter type-id='95e97e5e' name='subcomponent' filepath='drivers/base/component.c' line='718' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='component_bind_all' mangled-name='component_bind_all' filepath='drivers/base/component.c' line='632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_bind_all'>
+ <parameter type-id='fa0b179b' name='master_dev' filepath='drivers/base/component.c' line='632' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/component.c' line='632' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='component_del' mangled-name='component_del' filepath='drivers/base/component.c' line='757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_del'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='757' column='1'/>
+ <parameter type-id='14f24806' name='ops' filepath='drivers/base/component.c' line='757' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='component_master_add_with_match' mangled-name='component_master_add_with_match' filepath='drivers/base/component.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_master_add_with_match'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='467' column='1'/>
+ <parameter type-id='27729729' name='ops' filepath='drivers/base/component.c' line='468' column='1'/>
+ <parameter type-id='7d9421ac' name='match' filepath='drivers/base/component.c' line='469' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='component_master_del' mangled-name='component_master_del' filepath='drivers/base/component.c' line='512' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_master_del'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/component.c' line='512' column='1'/>
+ <parameter type-id='27729729' name='ops' filepath='drivers/base/component.c' line='513' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='component_match_add_release' mangled-name='component_match_add_release' filepath='drivers/base/component.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_match_add_release'>
+ <parameter type-id='fa0b179b' name='master' filepath='drivers/base/component.c' line='400' column='1'/>
+ <parameter type-id='3630c5f2' name='matchptr' filepath='drivers/base/component.c' line='401' column='1'/>
+ <parameter type-id='680bf43c' name='release' filepath='drivers/base/component.c' line='402' column='1'/>
+ <parameter type-id='92d15ae9' name='compare' filepath='drivers/base/component.c' line='403' column='1'/>
+ <parameter type-id='eaa32e2f' name='compare_data' filepath='drivers/base/component.c' line='403' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='component_match_add_typed' mangled-name='component_match_add_typed' filepath='drivers/base/component.c' line='427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_match_add_typed'>
+ <parameter type-id='fa0b179b' name='master' filepath='drivers/base/component.c' line='427' column='1'/>
+ <parameter type-id='3630c5f2' name='matchptr' filepath='drivers/base/component.c' line='428' column='1'/>
+ <parameter type-id='78e7ce8e' name='compare_typed' filepath='drivers/base/component.c' line='429' column='1'/>
+ <parameter type-id='eaa32e2f' name='compare_data' filepath='drivers/base/component.c' line='429' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='component_unbind_all' mangled-name='component_unbind_all' filepath='drivers/base/component.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='component_unbind_all'>
+ <parameter type-id='fa0b179b' name='master_dev' filepath='drivers/base/component.c' line='549' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/component.c' line='549' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cond_synchronize_rcu' mangled-name='cond_synchronize_rcu' filepath='kernel/rcu/tree.c' line='3713' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cond_synchronize_rcu'>
+ <parameter type-id='7359adad' name='oldstate' filepath='kernel/rcu/tree.c' line='3713' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='config_ep_by_speed' mangled-name='config_ep_by_speed' filepath='drivers/usb/gadget/composite.c' line='279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_ep_by_speed'>
+ <parameter type-id='49a58c0c' name='g' filepath='drivers/usb/gadget/composite.c' line='279' column='1'/>
+ <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/composite.c' line='280' column='1'/>
+ <parameter type-id='63a08bf7' name='_ep' filepath='drivers/usb/gadget/composite.c' line='281' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='config_group_init' mangled-name='config_group_init' filepath='fs/configfs/item.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_group_init'>
+ <parameter type-id='97aff453' name='group' filepath='fs/configfs/item.c' line='159' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='config_group_init_type_name' mangled-name='config_group_init_type_name' filepath='fs/configfs/item.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_group_init_type_name'>
+ <parameter type-id='97aff453' name='group' filepath='fs/configfs/item.c' line='94' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/configfs/item.c' line='94' column='1'/>
+ <parameter type-id='596e8e55' name='type' filepath='fs/configfs/item.c' line='95' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='config_item_get' mangled-name='config_item_get' filepath='fs/configfs/item.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_item_get'>
+ <parameter type-id='7a29ff27' name='item' filepath='fs/configfs/item.c' line='103' column='1'/>
+ <return type-id='7a29ff27'/>
+ </function-decl>
+ <function-decl name='config_item_put' mangled-name='config_item_put' filepath='fs/configfs/item.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='config_item_put'>
+ <parameter type-id='7a29ff27' name='item' filepath='fs/configfs/item.c' line='148' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='configfs_register_subsystem' mangled-name='configfs_register_subsystem' filepath='fs/configfs/dir.c' line='1879' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='configfs_register_subsystem'>
+ <parameter type-id='598755ca' name='subsys' filepath='fs/configfs/dir.c' line='1879' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='configfs_unregister_subsystem' mangled-name='configfs_unregister_subsystem' filepath='fs/configfs/dir.c' line='1935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='configfs_unregister_subsystem'>
+ <parameter type-id='598755ca' name='subsys' filepath='fs/configfs/dir.c' line='1935' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='console_drivers' type-id='b9aa0100' mangled-name='console_drivers' visibility='default' filepath='kernel/printk/printk.c' line='90' column='1' elf-symbol-id='console_drivers'/>
+ <function-decl name='console_lock' mangled-name='console_lock' filepath='kernel/printk/printk.c' line='2358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_lock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='console_printk' type-id='2020bac4' mangled-name='console_printk' visibility='default' filepath='kernel/printk/printk.c' line='66' column='1' elf-symbol-id='console_printk'/>
+ <function-decl name='console_stop' mangled-name='console_stop' filepath='kernel/printk/printk.c' line='2672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_stop'>
+ <parameter type-id='b9aa0100' name='console' filepath='kernel/printk/printk.c' line='2672' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='console_suspend_enabled' type-id='b50a4934' mangled-name='console_suspend_enabled' visibility='default' filepath='kernel/printk/printk.c' line='2287' column='1' elf-symbol-id='console_suspend_enabled'/>
+ <function-decl name='console_trylock' mangled-name='console_trylock' filepath='kernel/printk/printk.c' line='2378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_trylock'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='console_unlock' mangled-name='console_unlock' filepath='kernel/printk/printk.c' line='2440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='console_unlock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='consume_skb' mangled-name='consume_skb' filepath='net/core/skbuff.c' line='845' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='consume_skb'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='845' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='contig_page_data' type-id='54406315' mangled-name='contig_page_data' visibility='default' filepath='mm/memblock.c' line='96' column='1' elf-symbol-id='contig_page_data'/>
+ <function-decl name='copy_from_kernel_nofault' mangled-name='copy_from_kernel_nofault' filepath='mm/maccess.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='copy_from_kernel_nofault'>
+ <parameter type-id='eaa32e2f' name='dst' filepath='mm/maccess.c' line='25' column='1'/>
+ <parameter type-id='eaa32e2f' name='src' filepath='mm/maccess.c' line='25' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/maccess.c' line='25' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <var-decl name='cpu_all_bits' type-id='afe549fd' mangled-name='cpu_all_bits' visibility='default' filepath='kernel/cpu.c' line='2788' column='1' elf-symbol-id='cpu_all_bits'/>
+ <var-decl name='cpu_bit_bitmap' type-id='f959706c' mangled-name='cpu_bit_bitmap' visibility='default' filepath='kernel/cpu.c' line='2777' column='1' elf-symbol-id='cpu_bit_bitmap'/>
+ <function-decl name='cpu_have_feature' mangled-name='cpu_have_feature' filepath='arch/arm64/kernel/cpufeature.c' line='2847' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_have_feature'>
+ <parameter type-id='f0981eeb' name='num' filepath='arch/arm64/kernel/cpufeature.c' line='2847' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='cpu_hotplug_disable' mangled-name='cpu_hotplug_disable' filepath='kernel/cpu.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_hotplug_disable'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpu_hotplug_enable' mangled-name='cpu_hotplug_enable' filepath='kernel/cpu.c' line='374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_hotplug_enable'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='cpu_hwcap_keys' type-id='cee5a038' mangled-name='cpu_hwcap_keys' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='150' column='1' elf-symbol-id='cpu_hwcap_keys'/>
+ <var-decl name='cpu_hwcaps' type-id='f05e8e77' mangled-name='cpu_hwcaps' visibility='default' filepath='arch/arm64/kernel/cpufeature.c' line='100' column='1' elf-symbol-id='cpu_hwcaps'/>
+ <var-decl name='cpu_irqtime' type-id='3f278a28' mangled-name='cpu_irqtime' visibility='default' filepath='kernel/sched/cputime.c' line='22' column='1' elf-symbol-id='cpu_irqtime'/>
+ <function-decl name='cpu_is_hotpluggable' mangled-name='cpu_is_hotpluggable' filepath='drivers/base/cpu.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_is_hotpluggable'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/base/cpu.c' line='489' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='cpu_latency_qos_add_request' mangled-name='cpu_latency_qos_add_request' filepath='kernel/power/qos.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_latency_qos_add_request'>
+ <parameter type-id='221c3010' name='req' filepath='kernel/power/qos.c' line='267' column='1'/>
+ <parameter type-id='a7832498' name='value' filepath='kernel/power/qos.c' line='267' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='221c3010' name='req' filepath='kernel/power/qos.c' line='319' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpu_latency_qos_request_active' mangled-name='cpu_latency_qos_request_active' filepath='kernel/power/qos.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_latency_qos_request_active'>
+ <parameter type-id='221c3010' name='req' filepath='kernel/power/qos.c' line='241' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='cpu_latency_qos_update_request' mangled-name='cpu_latency_qos_update_request' filepath='kernel/power/qos.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_latency_qos_update_request'>
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+ <parameter type-id='a7832498' name='new_value' filepath='kernel/power/qos.c' line='293' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpu_maps_update_begin' mangled-name='cpu_maps_update_begin' filepath='kernel/cpu.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_maps_update_begin'>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='cpu_number' type-id='95e97e5e' mangled-name='cpu_number' visibility='default' filepath='arch/arm64/kernel/smp.c' line='59' column='1' elf-symbol-id='cpu_number'/>
+ <function-decl name='cpu_pm_register_notifier' mangled-name='cpu_pm_register_notifier' filepath='kernel/cpu_pm.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_pm_register_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/cpu_pm.c' line='70' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpu_pm_unregister_notifier' mangled-name='cpu_pm_unregister_notifier' filepath='kernel/cpu_pm.c' line='90' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpu_pm_unregister_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/cpu_pm.c' line='90' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='cpu_scale' type-id='7359adad' mangled-name='cpu_scale' visibility='default' filepath='drivers/base/arch_topology.c' line='63' column='1' elf-symbol-id='cpu_scale'/>
+ <var-decl name='cpu_subsys' type-id='b31bfc8a' mangled-name='cpu_subsys' visibility='default' filepath='drivers/base/cpu.c' line='128' column='1' elf-symbol-id='cpu_subsys'/>
+ <var-decl name='cpu_topology' type-id='366d2368' mangled-name='cpu_topology' visibility='default' filepath='drivers/base/arch_topology.c' line='500' column='1' elf-symbol-id='cpu_topology'/>
+ <function-decl name='cpufreq_add_update_util_hook' mangled-name='cpufreq_add_update_util_hook' filepath='kernel/sched/cpufreq.c' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_add_update_util_hook'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/cpufreq.c' line='33' column='1'/>
+ <parameter type-id='f681f934' name='data' filepath='kernel/sched/cpufreq.c' line='33' column='1'/>
+ <parameter type-id='2cd87b91' name='func' filepath='kernel/sched/cpufreq.c' line='34' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_cooling_unregister' mangled-name='cpufreq_cooling_unregister' filepath='drivers/thermal/cpufreq_cooling.c' line='659' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_cooling_unregister'>
+ <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/cpufreq_cooling.c' line='659' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_cpu_get' mangled-name='cpufreq_cpu_get' filepath='drivers/cpufreq/cpufreq.c' line='220' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_cpu_get'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='220' column='1'/>
+ <return type-id='343c3ae4'/>
+ </function-decl>
+ <function-decl name='cpufreq_cpu_get_raw' mangled-name='cpufreq_cpu_get_raw' filepath='drivers/cpufreq/cpufreq.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_cpu_get_raw'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='187' column='1'/>
+ <return type-id='343c3ae4'/>
+ </function-decl>
+ <function-decl name='cpufreq_cpu_put' mangled-name='cpufreq_cpu_put' filepath='drivers/cpufreq/cpufreq.c' line='248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_cpu_put'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='248' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_dbs_governor_exit' mangled-name='cpufreq_dbs_governor_exit' filepath='drivers/cpufreq/cpufreq_governor.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_exit'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='477' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_dbs_governor_init' mangled-name='cpufreq_dbs_governor_init' filepath='drivers/cpufreq/cpufreq_governor.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_init'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='391' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_dbs_governor_limits' mangled-name='cpufreq_dbs_governor_limits' filepath='drivers/cpufreq/cpufreq_governor.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_limits'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='555' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_dbs_governor_start' mangled-name='cpufreq_dbs_governor_start' filepath='drivers/cpufreq/cpufreq_governor.c' line='505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_start'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='505' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_dbs_governor_stop' mangled-name='cpufreq_dbs_governor_stop' filepath='drivers/cpufreq/cpufreq_governor.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_dbs_governor_stop'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='543' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_disable_fast_switch' mangled-name='cpufreq_disable_fast_switch' filepath='drivers/cpufreq/cpufreq.c' line='520' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_disable_fast_switch'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='520' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_driver_fast_switch' mangled-name='cpufreq_driver_fast_switch' filepath='drivers/cpufreq/cpufreq.c' line='2096' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_driver_fast_switch'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2096' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='2097' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpufreq_driver_resolve_freq' mangled-name='cpufreq_driver_resolve_freq' filepath='drivers/cpufreq/cpufreq.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_driver_resolve_freq'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='543' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='544' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpufreq_driver_target' mangled-name='cpufreq_driver_target' filepath='drivers/cpufreq/cpufreq.c' line='2251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_driver_target'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2251' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/cpufreq.c' line='2252' column='1'/>
+ <parameter type-id='f0981eeb' name='relation' filepath='drivers/cpufreq/cpufreq.c' line='2253' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_enable_boost_support' mangled-name='cpufreq_enable_boost_support' filepath='drivers/cpufreq/cpufreq.c' line='2690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_enable_boost_support'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_enable_fast_switch' mangled-name='cpufreq_enable_fast_switch' filepath='drivers/cpufreq/cpufreq.c' line='496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_enable_fast_switch'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='496' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='cpufreq_freq_attr_scaling_available_freqs' type-id='9f2d4ea3' mangled-name='cpufreq_freq_attr_scaling_available_freqs' visibility='default' filepath='drivers/cpufreq/freq_table.c' line='280' column='1' elf-symbol-id='cpufreq_freq_attr_scaling_available_freqs'/>
+ <var-decl name='cpufreq_freq_attr_scaling_boost_freqs' type-id='9f2d4ea3' mangled-name='cpufreq_freq_attr_scaling_boost_freqs' visibility='default' filepath='drivers/cpufreq/freq_table.c' line='292' column='1' elf-symbol-id='cpufreq_freq_attr_scaling_boost_freqs'/>
+ <function-decl name='cpufreq_freq_transition_begin' mangled-name='cpufreq_freq_transition_begin' filepath='drivers/cpufreq/cpufreq.c' line='411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_freq_transition_begin'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='411' column='1'/>
+ <parameter type-id='857d6f7f' name='freqs' filepath='drivers/cpufreq/cpufreq.c' line='412' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_freq_transition_end' mangled-name='cpufreq_freq_transition_end' filepath='drivers/cpufreq/cpufreq.c' line='445' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_freq_transition_end'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='445' column='1'/>
+ <parameter type-id='857d6f7f' name='freqs' filepath='drivers/cpufreq/cpufreq.c' line='446' column='1'/>
+ <parameter type-id='95e97e5e' name='transition_failed' filepath='drivers/cpufreq/cpufreq.c' line='446' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_frequency_table_get_index' mangled-name='cpufreq_frequency_table_get_index' filepath='drivers/cpufreq/freq_table.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_frequency_table_get_index'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/freq_table.c' line='213' column='1'/>
+ <parameter type-id='f0981eeb' name='freq' filepath='drivers/cpufreq/freq_table.c' line='214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_frequency_table_verify' mangled-name='cpufreq_frequency_table_verify' filepath='drivers/cpufreq/freq_table.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_frequency_table_verify'>
+ <parameter type-id='5aa4f86b' name='policy' filepath='drivers/cpufreq/freq_table.c' line='71' column='1'/>
+ <parameter type-id='3b8b42e1' name='table' filepath='drivers/cpufreq/freq_table.c' line='72' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='cpufreq_generic_attr' type-id='82486e89' mangled-name='cpufreq_generic_attr' visibility='default' filepath='drivers/cpufreq/freq_table.c' line='295' column='1' elf-symbol-id='cpufreq_generic_attr'/>
+ <function-decl name='cpufreq_generic_frequency_table_verify' mangled-name='cpufreq_generic_frequency_table_verify' filepath='drivers/cpufreq/freq_table.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_generic_frequency_table_verify'>
+ <parameter type-id='5aa4f86b' name='policy' filepath='drivers/cpufreq/freq_table.c' line='111' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_generic_get' mangled-name='cpufreq_generic_get' filepath='drivers/cpufreq/cpufreq.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_generic_get'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='195' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpufreq_generic_suspend' mangled-name='cpufreq_generic_suspend' filepath='drivers/cpufreq/cpufreq.c' line='1837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_generic_suspend'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='1837' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_get' mangled-name='cpufreq_get' filepath='drivers/cpufreq/cpufreq.c' line='1808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_get'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='1808' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpufreq_get_driver_data' mangled-name='cpufreq_get_driver_data' filepath='drivers/cpufreq/cpufreq.c' line='1968' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_get_driver_data'>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='cpufreq_get_policy' mangled-name='cpufreq_get_policy' filepath='drivers/cpufreq/cpufreq.c' line='2443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_get_policy'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='2443' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='2443' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_policy_transition_delay_us' mangled-name='cpufreq_policy_transition_delay_us' filepath='drivers/cpufreq/cpufreq.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_policy_transition_delay_us'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='568' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpufreq_quick_get' mangled-name='cpufreq_quick_get' filepath='drivers/cpufreq/cpufreq.c' line='1728' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_quick_get'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='1728' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpufreq_quick_get_max' mangled-name='cpufreq_quick_get_max' filepath='drivers/cpufreq/cpufreq.c' line='1760' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_quick_get_max'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='1760' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpufreq_register_driver' mangled-name='cpufreq_register_driver' filepath='drivers/cpufreq/cpufreq.c' line='2740' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_register_driver'>
+ <parameter type-id='eb90c228' name='driver_data' filepath='drivers/cpufreq/cpufreq.c' line='2740' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_register_governor' mangled-name='cpufreq_register_governor' filepath='drivers/cpufreq/cpufreq.c' line='2380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_register_governor'>
+ <parameter type-id='6925355c' name='governor' filepath='drivers/cpufreq/cpufreq.c' line='2380' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_register_notifier' mangled-name='cpufreq_register_notifier' filepath='drivers/cpufreq/cpufreq.c' line='1994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_register_notifier'>
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+ <parameter type-id='f0981eeb' name='list' filepath='drivers/cpufreq/cpufreq.c' line='1994' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/cpufreq.c' line='58' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/freq_table.c' line='120' column='1'/>
+ <parameter type-id='f0981eeb' name='target_freq' filepath='drivers/cpufreq/freq_table.c' line='121' column='1'/>
+ <parameter type-id='f0981eeb' name='relation' filepath='drivers/cpufreq/freq_table.c' line='122' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_this_cpu_can_update' mangled-name='cpufreq_this_cpu_can_update' filepath='kernel/sched/cpufreq.c' line='73' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_this_cpu_can_update'>
+ <parameter type-id='343c3ae4' name='policy' filepath='kernel/sched/cpufreq.c' line='73' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='cpufreq_unregister_driver' mangled-name='cpufreq_unregister_driver' filepath='drivers/cpufreq/cpufreq.c' line='2843' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_unregister_driver'>
+ <parameter type-id='eb90c228' name='driver' filepath='drivers/cpufreq/cpufreq.c' line='2843' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_unregister_governor' mangled-name='cpufreq_unregister_governor' filepath='drivers/cpufreq/cpufreq.c' line='2403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_unregister_governor'>
+ <parameter type-id='6925355c' name='governor' filepath='drivers/cpufreq/cpufreq.c' line='2403' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_unregister_notifier' mangled-name='cpufreq_unregister_notifier' filepath='drivers/cpufreq/cpufreq.c' line='2038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_unregister_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/cpufreq/cpufreq.c' line='2038' column='1'/>
+ <parameter type-id='f0981eeb' name='list' filepath='drivers/cpufreq/cpufreq.c' line='2038' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpufreq_update_limits' mangled-name='cpufreq_update_limits' filepath='drivers/cpufreq/cpufreq.c' line='2599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_update_limits'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='2599' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpufreq_update_policy' mangled-name='cpufreq_update_policy' filepath='drivers/cpufreq/cpufreq.c' line='2570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpufreq_update_policy'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='2570' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='cpufreq_update_util_data' type-id='f681f934' mangled-name='cpufreq_update_util_data' visibility='default' filepath='kernel/sched/cpufreq.c' line='12' column='1' elf-symbol-id='cpufreq_update_util_data'/>
+ <var-decl name='cpuhp_tasks_frozen' type-id='b50a4934' mangled-name='cpuhp_tasks_frozen' visibility='default' filepath='kernel/cpu.c' line='271' column='1' elf-symbol-id='cpuhp_tasks_frozen'/>
+ <function-decl name='cpuidle_driver_state_disabled' mangled-name='cpuidle_driver_state_disabled' filepath='drivers/cpuidle/driver.c' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_driver_state_disabled'>
+ <parameter type-id='809cdefc' name='drv' filepath='drivers/cpuidle/driver.c' line='353' column='1'/>
+ <parameter type-id='95e97e5e' name='idx' filepath='drivers/cpuidle/driver.c' line='353' column='1'/>
+ <parameter type-id='b50a4934' name='disable' filepath='drivers/cpuidle/driver.c' line='354' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpuidle_get_cpu_driver' mangled-name='cpuidle_get_cpu_driver' filepath='drivers/cpuidle/driver.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_get_cpu_driver'>
+ <parameter type-id='1b0e1d00' name='dev' filepath='drivers/cpuidle/driver.c' line='338' column='1'/>
+ <return type-id='809cdefc'/>
+ </function-decl>
+ <function-decl name='cpuidle_get_driver' mangled-name='cpuidle_get_driver' filepath='drivers/cpuidle/driver.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_get_driver'>
+ <return type-id='809cdefc'/>
+ </function-decl>
+ <function-decl name='cpuidle_governor_latency_req' mangled-name='cpuidle_governor_latency_req' filepath='drivers/cpuidle/governor.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_governor_latency_req'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpuidle/governor.c' line='111' column='1'/>
+ <return type-id='9b7c55ef'/>
+ </function-decl>
+ <function-decl name='cpuidle_pause_and_lock' mangled-name='cpuidle_pause_and_lock' filepath='drivers/cpuidle/cpuidle.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_pause_and_lock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpuidle_register_governor' mangled-name='cpuidle_register_governor' filepath='drivers/cpuidle/governor.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_register_governor'>
+ <parameter type-id='ef7f4688' name='gov' filepath='drivers/cpuidle/governor.c' line='80' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpuidle_resume_and_unlock' mangled-name='cpuidle_resume_and_unlock' filepath='drivers/cpuidle/cpuidle.c' line='458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuidle_resume_and_unlock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpumask_any_but' mangled-name='cpumask_any_but' filepath='lib/cpumask.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_any_but'>
+ <parameter type-id='5f8a1ac4' name='mask' filepath='lib/cpumask.c' line='53' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu' filepath='lib/cpumask.c' line='53' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpumask_next' mangled-name='cpumask_next' filepath='lib/cpumask.c' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_next'>
+ <parameter type-id='95e97e5e' name='n' filepath='lib/cpumask.c' line='17' column='1'/>
+ <parameter type-id='5f8a1ac4' name='srcp' filepath='lib/cpumask.c' line='17' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='cpumask_next_and' mangled-name='cpumask_next_and' filepath='lib/cpumask.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_next_and'>
+ <parameter type-id='95e97e5e' name='n' filepath='lib/cpumask.c' line='34' column='1'/>
+ <parameter type-id='5f8a1ac4' name='src1p' filepath='lib/cpumask.c' line='34' column='1'/>
+ <parameter type-id='5f8a1ac4' name='src2p' filepath='lib/cpumask.c' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpumask_next_wrap' mangled-name='cpumask_next_wrap' filepath='lib/cpumask.c' line='77' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpumask_next_wrap'>
+ <parameter type-id='95e97e5e' name='n' filepath='lib/cpumask.c' line='77' column='1'/>
+ <parameter type-id='5f8a1ac4' name='mask' filepath='lib/cpumask.c' line='77' column='1'/>
+ <parameter type-id='95e97e5e' name='start' filepath='lib/cpumask.c' line='77' column='1'/>
+ <parameter type-id='b50a4934' name='wrap' filepath='lib/cpumask.c' line='77' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpupri_find_fitness' mangled-name='cpupri_find_fitness' filepath='kernel/sched/cpupri.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpupri_find_fitness'>
+ <parameter type-id='15c7dfa4' name='cp' filepath='kernel/sched/cpupri.c' line='147' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/cpupri.c' line='147' column='1'/>
+ <parameter type-id='74bccedd' name='lowest_mask' filepath='kernel/sched/cpupri.c' line='148' column='1'/>
+ <parameter type-id='cf77d29f' name='fitness_fn' filepath='kernel/sched/cpupri.c' line='149' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='cpus_read_lock' mangled-name='cpus_read_lock' filepath='kernel/cpu.c' line='300' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpus_read_lock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpus_read_unlock' mangled-name='cpus_read_unlock' filepath='kernel/cpu.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpus_read_unlock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='cpuset_cpus_allowed' mangled-name='cpuset_cpus_allowed' filepath='kernel/cgroup/cpuset.c' line='3351' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='cpuset_cpus_allowed'>
+ <parameter type-id='f23e2572' name='tsk' filepath='kernel/cgroup/cpuset.c' line='3351' column='1'/>
+ <parameter type-id='74bccedd' name='pmask' filepath='kernel/cgroup/cpuset.c' line='3351' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crc16' mangled-name='crc16' filepath='lib/crc16.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc16'>
+ <parameter type-id='1dc6a898' name='crc' filepath='lib/crc16.c' line='55' column='1'/>
+ <parameter type-id='bbaf3419' name='buffer' filepath='lib/crc16.c' line='55' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='lib/crc16.c' line='55' column='1'/>
+ <return type-id='1dc6a898'/>
+ </function-decl>
+ <function-decl name='crc32_be' mangled-name='crc32_be' filepath='lib/crc32.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc32_be'>
+ <parameter type-id='19c2251e' name='crc' filepath='lib/crc32.c' line='340' column='1'/>
+ <parameter type-id='354f7eb9' name='p' filepath='lib/crc32.c' line='340' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='lib/crc32.c' line='340' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='crc8' mangled-name='crc8' filepath='lib/crc8.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc8'>
+ <parameter type-id='bbaf3419' name='table' filepath='lib/crc8.c' line='74' column='1'/>
+ <parameter type-id='8bff8096' name='pdata' filepath='lib/crc8.c' line='74' column='1'/>
+ <parameter type-id='b59d7dce' name='nbytes' filepath='lib/crc8.c' line='74' column='1'/>
+ <parameter type-id='f9b06939' name='crc' filepath='lib/crc8.c' line='74' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='crc8_populate_msb' mangled-name='crc8_populate_msb' filepath='lib/crc8.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crc8_populate_msb'>
+ <parameter type-id='8bff8096' name='table' filepath='lib/crc8.c' line='29' column='1'/>
+ <parameter type-id='f9b06939' name='polynomial' filepath='lib/crc8.c' line='29' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='create_function_device' mangled-name='create_function_device' filepath='drivers/usb/gadget/configfs.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='create_function_device'>
+ <parameter type-id='26a90f95' name='name' filepath='drivers/usb/gadget/configfs.c' line='28' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='crypto_aead_decrypt' mangled-name='crypto_aead_decrypt' filepath='crypto/aead.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_decrypt'>
+ <parameter type-id='146bc842' name='req' filepath='crypto/aead.c' line='100' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_aead_encrypt' mangled-name='crypto_aead_encrypt' filepath='crypto/aead.c' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_encrypt'>
+ <parameter type-id='146bc842' name='req' filepath='crypto/aead.c' line='83' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_aead_setauthsize' mangled-name='crypto_aead_setauthsize' filepath='crypto/aead.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_setauthsize'>
+ <parameter type-id='a585cbc4' name='tfm' filepath='crypto/aead.c' line='64' column='1'/>
+ <parameter type-id='f0981eeb' name='authsize' filepath='crypto/aead.c' line='64' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_aead_setkey' mangled-name='crypto_aead_setkey' filepath='crypto/aead.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aead_setkey'>
+ <parameter type-id='a585cbc4' name='tfm' filepath='crypto/aead.c' line='43' column='1'/>
+ <parameter type-id='bbaf3419' name='key' filepath='crypto/aead.c' line='44' column='1'/>
+ <parameter type-id='f0981eeb' name='keylen' filepath='crypto/aead.c' line='44' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_aes_set_key' mangled-name='crypto_aes_set_key' filepath='crypto/aes_generic.c' line='1136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_aes_set_key'>
+ <parameter type-id='dfeb7f6c' name='tfm' filepath='crypto/aes_generic.c' line='1136' column='1'/>
+ <parameter type-id='bbaf3419' name='in_key' filepath='crypto/aes_generic.c' line='1136' column='1'/>
+ <parameter type-id='f0981eeb' name='key_len' filepath='crypto/aes_generic.c' line='1137' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_ahash_digest' mangled-name='crypto_ahash_digest' filepath='crypto/ahash.c' line='368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_ahash_digest'>
+ <parameter type-id='6f3c82ac' name='req' filepath='crypto/ahash.c' line='368' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_ahash_finup' mangled-name='crypto_ahash_finup' filepath='crypto/ahash.c' line='354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_ahash_finup'>
+ <parameter type-id='6f3c82ac' name='req' filepath='crypto/ahash.c' line='354' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_ahash_setkey' mangled-name='crypto_ahash_setkey' filepath='crypto/ahash.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_ahash_setkey'>
+ <parameter type-id='1351523a' name='tfm' filepath='crypto/ahash.c' line='172' column='1'/>
+ <parameter type-id='bbaf3419' name='key' filepath='crypto/ahash.c' line='172' column='1'/>
+ <parameter type-id='f0981eeb' name='keylen' filepath='crypto/ahash.c' line='173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='crypto_alg_list' type-id='72f469ec' mangled-name='crypto_alg_list' visibility='default' filepath='crypto/api.c' line='25' column='1' elf-symbol-id='crypto_alg_list'/>
+ <function-decl name='crypto_alg_mod_lookup' mangled-name='crypto_alg_mod_lookup' filepath='crypto/api.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alg_mod_lookup'>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/api.c' line='261' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/api.c' line='261' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/api.c' line='261' column='1'/>
+ <return type-id='67f526b5'/>
+ </function-decl>
+ <var-decl name='crypto_alg_sem' type-id='f19fdb93' mangled-name='crypto_alg_sem' visibility='default' filepath='crypto/api.c' line='27' column='1' elf-symbol-id='crypto_alg_sem'/>
+ <function-decl name='crypto_alloc_aead' mangled-name='crypto_alloc_aead' filepath='crypto/aead.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_aead'>
+ <parameter type-id='80f4b756' name='alg_name' filepath='crypto/aead.c' line='214' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/aead.c' line='214' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/aead.c' line='214' column='1'/>
+ <return type-id='a585cbc4'/>
+ </function-decl>
+ <function-decl name='crypto_alloc_ahash' mangled-name='crypto_alloc_ahash' filepath='crypto/ahash.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_ahash'>
+ <parameter type-id='80f4b756' name='alg_name' filepath='crypto/ahash.c' line='555' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/ahash.c' line='555' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/ahash.c' line='556' column='1'/>
+ <return type-id='1351523a'/>
+ </function-decl>
+ <function-decl name='crypto_alloc_base' mangled-name='crypto_alloc_base' filepath='crypto/api.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_base'>
+ <parameter type-id='80f4b756' name='alg_name' filepath='crypto/api.c' line='402' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/api.c' line='402' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/api.c' line='402' column='1'/>
+ <return type-id='dfeb7f6c'/>
+ </function-decl>
+ <function-decl name='crypto_alloc_rng' mangled-name='crypto_alloc_rng' filepath='crypto/rng.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_rng'>
+ <parameter type-id='80f4b756' name='alg_name' filepath='crypto/rng.c' line='110' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/rng.c' line='110' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/rng.c' line='110' column='1'/>
+ <return type-id='5474f420'/>
+ </function-decl>
+ <function-decl name='crypto_alloc_shash' mangled-name='crypto_alloc_shash' filepath='crypto/shash.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_shash'>
+ <parameter type-id='80f4b756' name='alg_name' filepath='crypto/shash.c' line='517' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/shash.c' line='517' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/shash.c' line='518' column='1'/>
+ <return type-id='247dd85c'/>
+ </function-decl>
+ <function-decl name='crypto_alloc_skcipher' mangled-name='crypto_alloc_skcipher' filepath='crypto/skcipher.c' line='759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_skcipher'>
+ <parameter type-id='80f4b756' name='alg_name' filepath='crypto/skcipher.c' line='759' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/skcipher.c' line='760' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/skcipher.c' line='760' column='1'/>
+ <return type-id='72bb8c36'/>
+ </function-decl>
+ <function-decl name='crypto_alloc_sync_skcipher' mangled-name='crypto_alloc_sync_skcipher' filepath='crypto/skcipher.c' line='766' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_alloc_sync_skcipher'>
+ <parameter type-id='80f4b756' name='alg_name' filepath='crypto/skcipher.c' line='767' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/skcipher.c' line='767' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/skcipher.c' line='767' column='1'/>
+ <return type-id='2e6a2f40'/>
+ </function-decl>
+ <function-decl name='crypto_attr_alg_name' mangled-name='crypto_attr_alg_name' filepath='crypto/algapi.c' line='853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_attr_alg_name'>
+ <parameter type-id='f28646d2' name='rta' filepath='crypto/algapi.c' line='853' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='crypto_check_attr_type' mangled-name='crypto_check_attr_type' filepath='crypto/algapi.c' line='837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_check_attr_type'>
+ <parameter type-id='c161b868' name='tb' filepath='crypto/algapi.c' line='837' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/algapi.c' line='837' column='1'/>
+ <parameter type-id='f9409001' name='mask_ret' filepath='crypto/algapi.c' line='837' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_cipher_decrypt_one' mangled-name='crypto_cipher_decrypt_one' filepath='crypto/cipher.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_cipher_decrypt_one'>
+ <parameter type-id='75f72758' name='tfm' filepath='crypto/cipher.c' line='87' column='1'/>
+ <parameter type-id='8bff8096' name='dst' filepath='crypto/cipher.c' line='88' column='1'/>
+ <parameter type-id='bbaf3419' name='src' filepath='crypto/cipher.c' line='88' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_cipher_encrypt_one' mangled-name='crypto_cipher_encrypt_one' filepath='crypto/cipher.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_cipher_encrypt_one'>
+ <parameter type-id='75f72758' name='tfm' filepath='crypto/cipher.c' line='80' column='1'/>
+ <parameter type-id='8bff8096' name='dst' filepath='crypto/cipher.c' line='81' column='1'/>
+ <parameter type-id='bbaf3419' name='src' filepath='crypto/cipher.c' line='81' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_cipher_setkey' mangled-name='crypto_cipher_setkey' filepath='crypto/cipher.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_cipher_setkey'>
+ <parameter type-id='75f72758' name='tfm' filepath='crypto/cipher.c' line='43' column='1'/>
+ <parameter type-id='bbaf3419' name='key' filepath='crypto/cipher.c' line='44' column='1'/>
+ <parameter type-id='f0981eeb' name='keylen' filepath='crypto/cipher.c' line='44' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_comp_compress' mangled-name='crypto_comp_compress' filepath='crypto/compress.c' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_comp_compress'>
+ <parameter type-id='a064fed8' name='comp' filepath='crypto/compress.c' line='12' column='1'/>
+ <parameter type-id='bbaf3419' name='src' filepath='crypto/compress.c' line='13' column='1'/>
+ <parameter type-id='f0981eeb' name='slen' filepath='crypto/compress.c' line='13' column='1'/>
+ <parameter type-id='8bff8096' name='dst' filepath='crypto/compress.c' line='14' column='1'/>
+ <parameter type-id='807869d3' name='dlen' filepath='crypto/compress.c' line='14' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_comp_decompress' mangled-name='crypto_comp_decompress' filepath='crypto/compress.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_comp_decompress'>
+ <parameter type-id='a064fed8' name='comp' filepath='crypto/compress.c' line='23' column='1'/>
+ <parameter type-id='bbaf3419' name='src' filepath='crypto/compress.c' line='24' column='1'/>
+ <parameter type-id='f0981eeb' name='slen' filepath='crypto/compress.c' line='24' column='1'/>
+ <parameter type-id='8bff8096' name='dst' filepath='crypto/compress.c' line='25' column='1'/>
+ <parameter type-id='807869d3' name='dlen' filepath='crypto/compress.c' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_dequeue_request' mangled-name='crypto_dequeue_request' filepath='crypto/algapi.c' line='944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_dequeue_request'>
+ <parameter type-id='1a8fddbe' name='queue' filepath='crypto/algapi.c' line='944' column='1'/>
+ <return type-id='af5eeab9'/>
+ </function-decl>
+ <function-decl name='crypto_destroy_tfm' mangled-name='crypto_destroy_tfm' filepath='crypto/api.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_destroy_tfm'>
+ <parameter type-id='eaa32e2f' name='mem' filepath='crypto/api.c' line='561' column='1'/>
+ <parameter type-id='dfeb7f6c' name='tfm' filepath='crypto/api.c' line='561' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_drop_spawn' mangled-name='crypto_drop_spawn' filepath='crypto/algapi.c' line='704' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_drop_spawn'>
+ <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='704' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_enqueue_request' mangled-name='crypto_enqueue_request' filepath='crypto/algapi.c' line='913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_enqueue_request'>
+ <parameter type-id='1a8fddbe' name='queue' filepath='crypto/algapi.c' line='913' column='1'/>
+ <parameter type-id='af5eeab9' name='request' filepath='crypto/algapi.c' line='914' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='crypto_ft_tab' type-id='350bcc55' mangled-name='crypto_ft_tab' visibility='default' filepath='crypto/aes_generic.c' line='65' column='1' elf-symbol-id='crypto_ft_tab'/>
+ <function-decl name='crypto_get_default_null_skcipher' mangled-name='crypto_get_default_null_skcipher' filepath='crypto/crypto_null.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_get_default_null_skcipher'>
+ <return type-id='2e6a2f40'/>
+ </function-decl>
+ <function-decl name='crypto_grab_aead' mangled-name='crypto_grab_aead' filepath='crypto/aead.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_aead'>
+ <parameter type-id='2476e63c' name='spawn' filepath='crypto/aead.c' line='205' column='1'/>
+ <parameter type-id='708ae4d0' name='inst' filepath='crypto/aead.c' line='206' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/aead.c' line='207' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/aead.c' line='207' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/aead.c' line='207' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_grab_ahash' mangled-name='crypto_grab_ahash' filepath='crypto/ahash.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_ahash'>
+ <parameter type-id='d797bdf2' name='spawn' filepath='crypto/ahash.c' line='546' column='1'/>
+ <parameter type-id='708ae4d0' name='inst' filepath='crypto/ahash.c' line='547' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/ahash.c' line='548' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/ahash.c' line='548' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/ahash.c' line='548' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_grab_shash' mangled-name='crypto_grab_shash' filepath='crypto/shash.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_shash'>
+ <parameter type-id='64015654' name='spawn' filepath='crypto/shash.c' line='508' column='1'/>
+ <parameter type-id='708ae4d0' name='inst' filepath='crypto/shash.c' line='509' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/shash.c' line='510' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/shash.c' line='510' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/shash.c' line='510' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_grab_skcipher' mangled-name='crypto_grab_skcipher' filepath='crypto/skcipher.c' line='750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_skcipher'>
+ <parameter type-id='442ae2b6' name='spawn' filepath='crypto/skcipher.c' line='750' column='1'/>
+ <parameter type-id='708ae4d0' name='inst' filepath='crypto/skcipher.c' line='751' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/skcipher.c' line='752' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/skcipher.c' line='752' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/skcipher.c' line='752' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_grab_spawn' mangled-name='crypto_grab_spawn' filepath='crypto/algapi.c' line='669' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_grab_spawn'>
+ <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='669' column='1'/>
+ <parameter type-id='708ae4d0' name='inst' filepath='crypto/algapi.c' line='669' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/algapi.c' line='670' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/algapi.c' line='670' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/algapi.c' line='670' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_has_alg' mangled-name='crypto_has_alg' filepath='crypto/api.c' line='578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_has_alg'>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/api.c' line='578' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/api.c' line='578' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/api.c' line='578' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_inc' mangled-name='crypto_inc' filepath='crypto/algapi.c' line='976' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_inc'>
+ <parameter type-id='8bff8096' name='a' filepath='crypto/algapi.c' line='976' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='crypto/algapi.c' line='976' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_init_queue' mangled-name='crypto_init_queue' filepath='crypto/algapi.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_init_queue'>
+ <parameter type-id='1a8fddbe' name='queue' filepath='crypto/algapi.c' line='904' column='1'/>
+ <parameter type-id='f0981eeb' name='max_qlen' filepath='crypto/algapi.c' line='904' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_inst_setname' mangled-name='crypto_inst_setname' filepath='crypto/algapi.c' line='889' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_inst_setname'>
+ <parameter type-id='708ae4d0' name='inst' filepath='crypto/algapi.c' line='889' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='crypto/algapi.c' line='889' column='1'/>
+ <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='890' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='crypto_it_tab' type-id='350bcc55' mangled-name='crypto_it_tab' visibility='default' filepath='crypto/aes_generic.c' line='593' column='1' elf-symbol-id='crypto_it_tab'/>
+ <function-decl name='crypto_put_default_null_skcipher' mangled-name='crypto_put_default_null_skcipher' filepath='crypto/crypto_null.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_put_default_null_skcipher'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_register_aead' mangled-name='crypto_register_aead' filepath='crypto/aead.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_aead'>
+ <parameter type-id='e4163de3' name='alg' filepath='crypto/aead.c' line='238' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_aeads' mangled-name='crypto_register_aeads' filepath='crypto/aead.c' line='257' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_aeads'>
+ <parameter type-id='e4163de3' name='algs' filepath='crypto/aead.c' line='257' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/aead.c' line='257' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_ahash' mangled-name='crypto_register_ahash' filepath='crypto/ahash.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_ahash'>
+ <parameter type-id='16144ad1' name='alg' filepath='crypto/ahash.c' line='584' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_ahashes' mangled-name='crypto_register_ahashes' filepath='crypto/ahash.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_ahashes'>
+ <parameter type-id='16144ad1' name='algs' filepath='crypto/ahash.c' line='603' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/ahash.c' line='603' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_alg' mangled-name='crypto_register_alg' filepath='crypto/algapi.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_alg'>
+ <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='412' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_algs' mangled-name='crypto_register_algs' filepath='crypto/algapi.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_algs'>
+ <parameter type-id='67f526b5' name='algs' filepath='crypto/algapi.c' line='467' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='467' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_rng' mangled-name='crypto_register_rng' filepath='crypto/rng.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_rng'>
+ <parameter type-id='090a6ee7' name='alg' filepath='crypto/rng.c' line='177' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_rngs' mangled-name='crypto_register_rngs' filepath='crypto/rng.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_rngs'>
+ <parameter type-id='090a6ee7' name='algs' filepath='crypto/rng.c' line='198' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/rng.c' line='198' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_scomp' mangled-name='crypto_register_scomp' filepath='crypto/scompress.c' line='257' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_scomp'>
+ <parameter type-id='6e764b1e' name='alg' filepath='crypto/scompress.c' line='257' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_shash' mangled-name='crypto_register_shash' filepath='crypto/shash.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_shash'>
+ <parameter type-id='1be0f6ab' name='alg' filepath='crypto/shash.c' line='555' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_shashes' mangled-name='crypto_register_shashes' filepath='crypto/shash.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_shashes'>
+ <parameter type-id='1be0f6ab' name='algs' filepath='crypto/shash.c' line='574' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/shash.c' line='574' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_skcipher' mangled-name='crypto_register_skcipher' filepath='crypto/skcipher.c' line='816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_skcipher'>
+ <parameter type-id='613dff15' name='alg' filepath='crypto/skcipher.c' line='816' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_skciphers' mangled-name='crypto_register_skciphers' filepath='crypto/skcipher.c' line='835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_skciphers'>
+ <parameter type-id='613dff15' name='algs' filepath='crypto/skcipher.c' line='835' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/skcipher.c' line='835' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_template' mangled-name='crypto_register_template' filepath='crypto/algapi.c' line='496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_template'>
+ <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/algapi.c' line='496' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_register_templates' mangled-name='crypto_register_templates' filepath='crypto/algapi.c' line='518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_register_templates'>
+ <parameter type-id='f0f856cb' name='tmpls' filepath='crypto/algapi.c' line='518' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='518' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_remove_final' mangled-name='crypto_remove_final' filepath='crypto/algapi.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_remove_final'>
+ <parameter type-id='e84b031a' name='list' filepath='crypto/algapi.c' line='380' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_remove_spawns' mangled-name='crypto_remove_spawns' filepath='crypto/algapi.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_remove_spawns'>
+ <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='139' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='crypto/algapi.c' line='139' column='1'/>
+ <parameter type-id='67f526b5' name='nalg' filepath='crypto/algapi.c' line='140' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_req_done' mangled-name='crypto_req_done' filepath='crypto/api.c' line='592' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_req_done'>
+ <parameter type-id='af5eeab9' name='req' filepath='crypto/api.c' line='592' column='1'/>
+ <parameter type-id='95e97e5e' name='err' filepath='crypto/api.c' line='592' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_rng_reset' mangled-name='crypto_rng_reset' filepath='crypto/rng.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_rng_reset'>
+ <parameter type-id='5474f420' name='tfm' filepath='crypto/rng.c' line='31' column='1'/>
+ <parameter type-id='bbaf3419' name='seed' filepath='crypto/rng.c' line='31' column='1'/>
+ <parameter type-id='f0981eeb' name='slen' filepath='crypto/rng.c' line='31' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_sha1_finup' mangled-name='crypto_sha1_finup' filepath='crypto/sha1_generic.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_sha1_finup'>
+ <parameter type-id='32efad44' name='desc' filepath='crypto/sha1_generic.c' line='55' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='crypto/sha1_generic.c' line='55' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/sha1_generic.c' line='56' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='crypto/sha1_generic.c' line='56' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_sha1_update' mangled-name='crypto_sha1_update' filepath='crypto/sha1_generic.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_sha1_update'>
+ <parameter type-id='32efad44' name='desc' filepath='crypto/sha1_generic.c' line='42' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='crypto/sha1_generic.c' line='42' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/sha1_generic.c' line='43' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_shash_alg_has_setkey' mangled-name='crypto_shash_alg_has_setkey' filepath='crypto/shash.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_alg_has_setkey'>
+ <parameter type-id='1be0f6ab' name='alg' filepath='crypto/shash.c' line='36' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='crypto_shash_digest' mangled-name='crypto_shash_digest' filepath='crypto/shash.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_digest'>
+ <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='204' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='204' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='205' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='205' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_shash_final' mangled-name='crypto_shash_final' filepath='crypto/shash.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_final'>
+ <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='163' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='163' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_shash_finup' mangled-name='crypto_shash_finup' filepath='crypto/shash.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_finup'>
+ <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='183' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='183' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='184' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_shash_setkey' mangled-name='crypto_shash_setkey' filepath='crypto/shash.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_setkey'>
+ <parameter type-id='247dd85c' name='tfm' filepath='crypto/shash.c' line='69' column='1'/>
+ <parameter type-id='bbaf3419' name='key' filepath='crypto/shash.c' line='69' column='1'/>
+ <parameter type-id='f0981eeb' name='keylen' filepath='crypto/shash.c' line='70' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_shash_tfm_digest' mangled-name='crypto_shash_tfm_digest' filepath='crypto/shash.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_tfm_digest'>
+ <parameter type-id='247dd85c' name='tfm' filepath='crypto/shash.c' line='221' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='221' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='222' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='crypto/shash.c' line='222' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_shash_update' mangled-name='crypto_shash_update' filepath='crypto/shash.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_shash_update'>
+ <parameter type-id='32efad44' name='desc' filepath='crypto/shash.c' line='121' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='crypto/shash.c' line='121' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/shash.c' line='122' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_skcipher_decrypt' mangled-name='crypto_skcipher_decrypt' filepath='crypto/skcipher.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_skcipher_decrypt'>
+ <parameter type-id='c249b570' name='req' filepath='crypto/skcipher.c' line='642' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_skcipher_encrypt' mangled-name='crypto_skcipher_encrypt' filepath='crypto/skcipher.c' line='625' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_skcipher_encrypt'>
+ <parameter type-id='c249b570' name='req' filepath='crypto/skcipher.c' line='625' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_skcipher_setkey' mangled-name='crypto_skcipher_setkey' filepath='crypto/skcipher.c' line='600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_skcipher_setkey'>
+ <parameter type-id='72bb8c36' name='tfm' filepath='crypto/skcipher.c' line='600' column='1'/>
+ <parameter type-id='bbaf3419' name='key' filepath='crypto/skcipher.c' line='600' column='1'/>
+ <parameter type-id='f0981eeb' name='keylen' filepath='crypto/skcipher.c' line='601' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='crypto_spawn_tfm' mangled-name='crypto_spawn_tfm' filepath='crypto/algapi.c' line='744' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_spawn_tfm'>
+ <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='744' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='crypto/algapi.c' line='744' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='crypto/algapi.c' line='745' column='1'/>
+ <return type-id='dfeb7f6c'/>
+ </function-decl>
+ <function-decl name='crypto_spawn_tfm2' mangled-name='crypto_spawn_tfm2' filepath='crypto/algapi.c' line='770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_spawn_tfm2'>
+ <parameter type-id='5f880e0e' name='spawn' filepath='crypto/algapi.c' line='770' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_aead' mangled-name='crypto_unregister_aead' filepath='crypto/aead.c' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_aead'>
+ <parameter type-id='e4163de3' name='alg' filepath='crypto/aead.c' line='251' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_ahash' mangled-name='crypto_unregister_ahash' filepath='crypto/ahash.c' line='597' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_ahash'>
+ <parameter type-id='16144ad1' name='alg' filepath='crypto/ahash.c' line='597' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_alg' mangled-name='crypto_unregister_alg' filepath='crypto/algapi.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_alg'>
+ <parameter type-id='67f526b5' name='alg' filepath='crypto/algapi.c' line='447' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_algs' mangled-name='crypto_unregister_algs' filepath='crypto/algapi.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_algs'>
+ <parameter type-id='67f526b5' name='algs' filepath='crypto/algapi.c' line='487' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='487' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_rng' mangled-name='crypto_unregister_rng' filepath='crypto/rng.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_rng'>
+ <parameter type-id='090a6ee7' name='alg' filepath='crypto/rng.c' line='192' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_rngs' mangled-name='crypto_unregister_rngs' filepath='crypto/rng.c' line='218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_rngs'>
+ <parameter type-id='090a6ee7' name='algs' filepath='crypto/rng.c' line='218' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/rng.c' line='218' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_scomp' mangled-name='crypto_unregister_scomp' filepath='crypto/scompress.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_scomp'>
+ <parameter type-id='6e764b1e' name='alg' filepath='crypto/scompress.c' line='269' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_shash' mangled-name='crypto_unregister_shash' filepath='crypto/shash.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_shash'>
+ <parameter type-id='1be0f6ab' name='alg' filepath='crypto/shash.c' line='568' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_shashes' mangled-name='crypto_unregister_shashes' filepath='crypto/shash.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_shashes'>
+ <parameter type-id='1be0f6ab' name='algs' filepath='crypto/shash.c' line='594' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/shash.c' line='594' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_skcipher' mangled-name='crypto_unregister_skcipher' filepath='crypto/skcipher.c' line='829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_skcipher'>
+ <parameter type-id='613dff15' name='alg' filepath='crypto/skcipher.c' line='829' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_skciphers' mangled-name='crypto_unregister_skciphers' filepath='crypto/skcipher.c' line='855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_skciphers'>
+ <parameter type-id='613dff15' name='algs' filepath='crypto/skcipher.c' line='855' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/skcipher.c' line='855' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_template' mangled-name='crypto_unregister_template' filepath='crypto/algapi.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_template'>
+ <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/algapi.c' line='536' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='crypto_unregister_templates' mangled-name='crypto_unregister_templates' filepath='crypto/algapi.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='crypto_unregister_templates'>
+ <parameter type-id='f0f856cb' name='tmpls' filepath='crypto/algapi.c' line='565' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='crypto/algapi.c' line='565' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='css_next_child' mangled-name='css_next_child' filepath='kernel/cgroup/cgroup.c' line='4195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='css_next_child'>
+ <parameter type-id='cfff5953' name='pos' filepath='kernel/cgroup/cgroup.c' line='4195' column='1'/>
+ <parameter type-id='cfff5953' name='parent' filepath='kernel/cgroup/cgroup.c' line='4196' column='1'/>
+ <return type-id='cfff5953'/>
+ </function-decl>
+ <function-decl name='css_next_descendant_pre' mangled-name='css_next_descendant_pre' filepath='kernel/cgroup/cgroup.c' line='4265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='css_next_descendant_pre'>
+ <parameter type-id='cfff5953' name='pos' filepath='kernel/cgroup/cgroup.c' line='4265' column='1'/>
+ <parameter type-id='cfff5953' name='root' filepath='kernel/cgroup/cgroup.c' line='4266' column='1'/>
+ <return type-id='cfff5953'/>
+ </function-decl>
+ <function-decl name='csum_ipv6_magic' mangled-name='csum_ipv6_magic' filepath='arch/arm64/lib/csum.c' line='132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='csum_ipv6_magic'>
+ <parameter type-id='fea9c20b' name='saddr' filepath='arch/arm64/lib/csum.c' line='132' column='1'/>
+ <parameter type-id='fea9c20b' name='daddr' filepath='arch/arm64/lib/csum.c' line='133' column='1'/>
+ <parameter type-id='3f1a6b60' name='len' filepath='arch/arm64/lib/csum.c' line='134' column='1'/>
+ <parameter type-id='8f048e17' name='proto' filepath='arch/arm64/lib/csum.c' line='134' column='1'/>
+ <parameter type-id='fbd88bba' name='csum' filepath='arch/arm64/lib/csum.c' line='134' column='1'/>
+ <return type-id='7dac1e36'/>
+ </function-decl>
+ <function-decl name='csum_partial' mangled-name='csum_partial' filepath='lib/checksum.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='csum_partial'>
+ <parameter type-id='eaa32e2f' name='buff' filepath='lib/checksum.c' line='125' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='lib/checksum.c' line='125' column='1'/>
+ <parameter type-id='fbd88bba' name='wsum' filepath='lib/checksum.c' line='125' column='1'/>
+ <return type-id='fbd88bba'/>
+ </function-decl>
+ <function-decl name='csum_tcpudp_nofold' mangled-name='csum_tcpudp_nofold' filepath='lib/checksum.c' line='158' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='csum_tcpudp_nofold'>
+ <parameter type-id='78a133c2' name='saddr' filepath='lib/checksum.c' line='158' column='1'/>
+ <parameter type-id='78a133c2' name='daddr' filepath='lib/checksum.c' line='158' column='1'/>
+ <parameter type-id='3f1a6b60' name='len' filepath='lib/checksum.c' line='159' column='1'/>
+ <parameter type-id='8f048e17' name='proto' filepath='lib/checksum.c' line='159' column='1'/>
+ <parameter type-id='fbd88bba' name='sum' filepath='lib/checksum.c' line='159' column='1'/>
+ <return type-id='fbd88bba'/>
+ </function-decl>
+ <function-decl name='current_time' mangled-name='current_time' filepath='fs/inode.c' line='2286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='current_time'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/inode.c' line='2286' column='1'/>
+ <return type-id='40a816ad'/>
+ </function-decl>
+ <function-decl name='current_work' mangled-name='current_work' filepath='kernel/workqueue.c' line='4517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='current_work'>
+ <return type-id='83c1bde6'/>
+ </function-decl>
+ <function-decl name='d_add' mangled-name='d_add' filepath='fs/dcache.c' line='2695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_add'>
+ <parameter type-id='27675065' name='entry' filepath='fs/dcache.c' line='2695' column='1'/>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/dcache.c' line='2695' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='d_alloc_name' mangled-name='d_alloc_name' filepath='fs/dcache.c' line='1844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_alloc_name'>
+ <parameter type-id='27675065' name='parent' filepath='fs/dcache.c' line='1844' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/dcache.c' line='1844' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='d_delete' mangled-name='d_delete' filepath='fs/dcache.c' line='2459' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_delete'>
+ <parameter type-id='27675065' name='dentry' filepath='fs/dcache.c' line='2459' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='d_make_root' mangled-name='d_make_root' filepath='fs/dcache.c' line='2003' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_make_root'>
+ <parameter type-id='7e666abe' name='root_inode' filepath='fs/dcache.c' line='2003' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='d_path' mangled-name='d_path' filepath='fs/d_path.c' line='262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='d_path'>
+ <parameter type-id='a77efac3' name='path' filepath='fs/d_path.c' line='262' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/d_path.c' line='262' column='1'/>
+ <parameter type-id='95e97e5e' name='buflen' filepath='fs/d_path.c' line='262' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='dapm_clock_event' mangled-name='dapm_clock_event' filepath='sound/soc/soc-dapm.c' line='1402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dapm_clock_event'>
+ <parameter type-id='810606ec' name='w' filepath='sound/soc/soc-dapm.c' line='1402' column='1'/>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='1403' column='1'/>
+ <parameter type-id='95e97e5e' name='event' filepath='sound/soc/soc-dapm.c' line='1403' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dapm_kcontrol_get_value' mangled-name='dapm_kcontrol_get_value' filepath='sound/soc/soc-dapm.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dapm_kcontrol_get_value'>
+ <parameter type-id='7c459358' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='533' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='dapm_pinctrl_event' mangled-name='dapm_pinctrl_event' filepath='sound/soc/soc-dapm.c' line='1377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dapm_pinctrl_event'>
+ <parameter type-id='810606ec' name='w' filepath='sound/soc/soc-dapm.c' line='1377' column='1'/>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='1378' column='1'/>
+ <parameter type-id='95e97e5e' name='event' filepath='sound/soc/soc-dapm.c' line='1378' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dapm_regulator_event' mangled-name='dapm_regulator_event' filepath='sound/soc/soc-dapm.c' line='1343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dapm_regulator_event'>
+ <parameter type-id='810606ec' name='w' filepath='sound/soc/soc-dapm.c' line='1343' column='1'/>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='1344' column='1'/>
+ <parameter type-id='95e97e5e' name='event' filepath='sound/soc/soc-dapm.c' line='1344' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='datagram_poll' mangled-name='datagram_poll' filepath='net/core/datagram.c' line='797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='datagram_poll'>
+ <parameter type-id='77e79a4b' name='file' filepath='net/core/datagram.c' line='797' column='1'/>
+ <parameter type-id='13103032' name='sock' filepath='net/core/datagram.c' line='797' column='1'/>
+ <parameter type-id='a54c778f' name='wait' filepath='net/core/datagram.c' line='798' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
+ <function-decl name='dbs_update' mangled-name='dbs_update' filepath='drivers/cpufreq/cpufreq_governor.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dbs_update'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq_governor.c' line='114' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='deactivate_locked_super' mangled-name='deactivate_locked_super' filepath='fs/super.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='deactivate_locked_super'>
+ <parameter type-id='42c8f564' name='s' filepath='fs/super.c' line='329' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='deactivate_task' mangled-name='deactivate_task' filepath='kernel/sched/core.c' line='1691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='deactivate_task'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='1691' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1691' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='kernel/sched/core.c' line='1691' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debug_locks_off' mangled-name='debug_locks_off' filepath='lib/debug_locks.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debug_locks_off'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='debugfs_attr_read' mangled-name='debugfs_attr_read' filepath='fs/debugfs/file.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_attr_read'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/debugfs/file.c' line='366' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/debugfs/file.c' line='366' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='fs/debugfs/file.c' line='367' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/debugfs/file.c' line='367' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='debugfs_attr_write' mangled-name='debugfs_attr_write' filepath='fs/debugfs/file.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_attr_write'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/debugfs/file.c' line='381' column='1'/>
+ <parameter type-id='80f4b756' name='buf' filepath='fs/debugfs/file.c' line='381' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='fs/debugfs/file.c' line='382' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/debugfs/file.c' line='382' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_atomic_t' mangled-name='debugfs_create_atomic_t' filepath='fs/debugfs/file.c' line='769' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_atomic_t'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='769' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='769' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='770' column='1'/>
+ <parameter type-id='8a47abc3' name='value' filepath='fs/debugfs/file.c' line='770' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_blob' mangled-name='debugfs_create_blob' filepath='fs/debugfs/file.c' line='917' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_blob'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='917' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='917' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='918' column='1'/>
+ <parameter type-id='3a843513' name='blob' filepath='fs/debugfs/file.c' line='919' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_create_bool' mangled-name='debugfs_create_bool' filepath='fs/debugfs/file.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_bool'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='864' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='864' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='865' column='1'/>
+ <parameter type-id='d8e6b335' name='value' filepath='fs/debugfs/file.c' line='865' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_create_devm_seqfile' mangled-name='debugfs_create_devm_seqfile' filepath='fs/debugfs/file.c' line='1134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_devm_seqfile'>
+ <parameter type-id='fa0b179b' name='dev' filepath='fs/debugfs/file.c' line='1134' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='1134' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='1135' column='1'/>
+ <parameter type-id='0131eb61' name='read_fn' filepath='fs/debugfs/file.c' line='1136' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_dir' mangled-name='debugfs_create_dir' filepath='fs/debugfs/inode.c' line='551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_dir'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='551' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='551' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_create_file' mangled-name='debugfs_create_file' filepath='fs/debugfs/inode.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_file'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='450' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/inode.c' line='450' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='451' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/debugfs/inode.c' line='451' column='1'/>
+ <parameter type-id='61758ee5' name='fops' filepath='fs/debugfs/inode.c' line='452' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_create_file_unsafe' mangled-name='debugfs_create_file_unsafe' filepath='fs/debugfs/inode.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_file_unsafe'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='489' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/inode.c' line='489' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='490' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/debugfs/inode.c' line='490' column='1'/>
+ <parameter type-id='61758ee5' name='fops' filepath='fs/debugfs/inode.c' line='491' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_create_regset32' mangled-name='debugfs_create_regset32' filepath='fs/debugfs/file.c' line='1094' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_regset32'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='1094' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='1094' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='1095' column='1'/>
+ <parameter type-id='62fa2ea7' name='regset' filepath='fs/debugfs/file.c' line='1096' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_size_t' mangled-name='debugfs_create_size_t' filepath='fs/debugfs/file.c' line='733' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_size_t'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='733' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='733' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='734' column='1'/>
+ <parameter type-id='78c01427' name='value' filepath='fs/debugfs/file.c' line='734' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_symlink' mangled-name='debugfs_create_symlink' filepath='fs/debugfs/inode.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_symlink'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='654' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='654' column='1'/>
+ <parameter type-id='80f4b756' name='target' filepath='fs/debugfs/inode.c' line='655' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_create_u16' mangled-name='debugfs_create_u16' filepath='fs/debugfs/file.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u16'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='478' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='478' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='478' column='1'/>
+ <parameter type-id='26d4d46f' name='value' filepath='fs/debugfs/file.c' line='479' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_u32' mangled-name='debugfs_create_u32' filepath='fs/debugfs/file.c' line='514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u32'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='514' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='514' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='514' column='1'/>
+ <parameter type-id='f9409001' name='value' filepath='fs/debugfs/file.c' line='515' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_u64' mangled-name='debugfs_create_u64' filepath='fs/debugfs/file.c' line='551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u64'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='551' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='551' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='551' column='1'/>
+ <parameter type-id='3df9fd28' name='value' filepath='fs/debugfs/file.c' line='552' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_u8' mangled-name='debugfs_create_u8' filepath='fs/debugfs/file.c' line='442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_u8'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='442' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='442' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='442' column='1'/>
+ <parameter type-id='8bff8096' name='value' filepath='fs/debugfs/file.c' line='443' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_ulong' mangled-name='debugfs_create_ulong' filepath='fs/debugfs/file.c' line='599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_ulong'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='599' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='599' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='600' column='1'/>
+ <parameter type-id='1d2c2b85' name='value' filepath='fs/debugfs/file.c' line='600' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_create_x32' mangled-name='debugfs_create_x32' filepath='fs/debugfs/file.c' line='681' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_x32'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='681' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='681' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='681' column='1'/>
+ <parameter type-id='f9409001' name='value' filepath='fs/debugfs/file.c' line='682' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_x64' mangled-name='debugfs_create_x64' filepath='fs/debugfs/file.c' line='699' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_x64'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='699' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='699' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='699' column='1'/>
+ <parameter type-id='3df9fd28' name='value' filepath='fs/debugfs/file.c' line='700' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_create_x8' mangled-name='debugfs_create_x8' filepath='fs/debugfs/file.c' line='645' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_create_x8'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/file.c' line='645' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/debugfs/file.c' line='645' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/file.c' line='645' column='1'/>
+ <parameter type-id='8bff8096' name='value' filepath='fs/debugfs/file.c' line='646' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_file_get' mangled-name='debugfs_file_get' filepath='fs/debugfs/file.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_file_get'>
+ <parameter type-id='27675065' name='dentry' filepath='fs/debugfs/file.c' line='82' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='debugfs_file_put' mangled-name='debugfs_file_put' filepath='fs/debugfs/file.c' line='132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_file_put'>
+ <parameter type-id='27675065' name='dentry' filepath='fs/debugfs/file.c' line='132' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_lookup' mangled-name='debugfs_lookup' filepath='fs/debugfs/inode.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_lookup'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/debugfs/inode.c' line='296' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='fs/debugfs/inode.c' line='296' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='debugfs_print_regs32' mangled-name='debugfs_print_regs32' filepath='fs/debugfs/file.c' line='1036' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_print_regs32'>
+ <parameter type-id='f8dc9def' name='s' filepath='fs/debugfs/file.c' line='1036' column='1'/>
+ <parameter type-id='ec73f122' name='regs' filepath='fs/debugfs/file.c' line='1036' column='1'/>
+ <parameter type-id='95e97e5e' name='nregs' filepath='fs/debugfs/file.c' line='1037' column='1'/>
+ <parameter type-id='eaa32e2f' name='base' filepath='fs/debugfs/file.c' line='1037' column='1'/>
+ <parameter type-id='26a90f95' name='prefix' filepath='fs/debugfs/file.c' line='1037' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_remove' mangled-name='debugfs_remove' filepath='fs/debugfs/inode.c' line='722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_remove'>
+ <parameter type-id='27675065' name='dentry' filepath='fs/debugfs/inode.c' line='722' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='debugfs_rename' mangled-name='debugfs_rename' filepath='fs/debugfs/inode.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='debugfs_rename'>
+ <parameter type-id='27675065' name='old_dir' filepath='fs/debugfs/inode.c' line='752' column='1'/>
+ <parameter type-id='27675065' name='old_dentry' filepath='fs/debugfs/inode.c' line='752' column='1'/>
+ <parameter type-id='27675065' name='new_dir' filepath='fs/debugfs/inode.c' line='753' column='1'/>
+ <parameter type-id='80f4b756' name='new_name' filepath='fs/debugfs/inode.c' line='753' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='dec_zone_page_state' mangled-name='dec_zone_page_state' filepath='mm/vmstat.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dec_zone_page_state'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/vmstat.c' line='540' column='1'/>
+ <parameter type-id='a1f2d9a1' name='item' filepath='mm/vmstat.c' line='540' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='default_llseek' mangled-name='default_llseek' filepath='fs/read_write.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='default_llseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='236' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='236' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='236' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <function-decl name='default_wake_function' mangled-name='default_wake_function' filepath='kernel/sched/core.c' line='5049' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='default_wake_function'>
+ <parameter type-id='ba9aa326' name='curr' filepath='kernel/sched/core.c' line='5049' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/core.c' line='5049' column='1'/>
+ <parameter type-id='95e97e5e' name='wake_flags' filepath='kernel/sched/core.c' line='5049' column='1'/>
+ <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/core.c' line='5050' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='deferred_free' mangled-name='deferred_free' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='deferred_free'>
+ <parameter type-id='f812e4e9' name='item' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='25' column='1'/>
+ <parameter type-id='eddc89a2' name='free' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='26' column='1'/>
+ <parameter type-id='b59d7dce' name='nr_pages' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='28' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='del_gendisk' mangled-name='del_gendisk' filepath='block/genhd.c' line='892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_gendisk'>
+ <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='892' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='del_random_ready_callback' mangled-name='del_random_ready_callback' filepath='drivers/char/random.c' line='1714' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_random_ready_callback'>
+ <parameter type-id='b47c553a' name='rdy' filepath='drivers/char/random.c' line='1714' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='del_timer' mangled-name='del_timer' filepath='kernel/time/timer.c' line='1204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_timer'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1204' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='del_timer_sync' mangled-name='del_timer_sync' filepath='kernel/time/timer.c' line='1358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='del_timer_sync'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1358' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='delayed_work_timer_fn' mangled-name='delayed_work_timer_fn' filepath='kernel/workqueue.c' line='1626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='delayed_work_timer_fn'>
+ <parameter type-id='9248e67f' name='t' filepath='kernel/workqueue.c' line='1626' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='desc_to_gpio' mangled-name='desc_to_gpio' filepath='drivers/gpio/gpiolib.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='desc_to_gpio'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='164' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='destroy_workqueue' mangled-name='destroy_workqueue' filepath='kernel/workqueue.c' line='4390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='destroy_workqueue'>
+ <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='4390' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_alloc_name' mangled-name='dev_alloc_name' filepath='net/core/dev.c' line='1271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_alloc_name'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1271' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='1271' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='dev_base_lock' type-id='ac16795b' mangled-name='dev_base_lock' visibility='default' filepath='net/core/dev.c' line='191' column='1' elf-symbol-id='dev_base_lock'/>
+ <function-decl name='dev_change_flags' mangled-name='dev_change_flags' filepath='net/core/dev.c' line='8554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_change_flags'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='8554' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='net/core/dev.c' line='8554' column='1'/>
+ <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='8555' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_change_net_namespace' mangled-name='dev_change_net_namespace' filepath='net/core/dev.c' line='10804' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_change_net_namespace'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10804' column='1'/>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/dev.c' line='10804' column='1'/>
+ <parameter type-id='80f4b756' name='pat' filepath='net/core/dev.c' line='10804' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_close' mangled-name='dev_close' filepath='net/core/dev.c' line='1671' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_close'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1671' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_coredumpm' mangled-name='dev_coredumpm' filepath='drivers/base/devcoredump.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_coredumpm'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devcoredump.c' line='252' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/base/devcoredump.c' line='252' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devcoredump.c' line='253' column='1'/>
+ <parameter type-id='b59d7dce' name='datalen' filepath='drivers/base/devcoredump.c' line='253' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devcoredump.c' line='253' column='1'/>
+ <parameter type-id='e91f335d' name='read' filepath='drivers/base/devcoredump.c' line='254' column='1'/>
+ <parameter type-id='b7f9d8e6' name='free' filepath='drivers/base/devcoredump.c' line='256' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_coredumpv' mangled-name='dev_coredumpv' filepath='drivers/base/devcoredump.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_coredumpv'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devcoredump.c' line='185' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devcoredump.c' line='185' column='1'/>
+ <parameter type-id='b59d7dce' name='datalen' filepath='drivers/base/devcoredump.c' line='185' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devcoredump.c' line='186' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_driver_string' mangled-name='dev_driver_string' filepath='drivers/base/core.c' line='1954' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_driver_string'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='1954' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='dev_err_probe' mangled-name='dev_err_probe' filepath='drivers/base/core.c' line='4533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_err_probe'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4533' column='1'/>
+ <parameter type-id='95e97e5e' name='err' filepath='drivers/base/core.c' line='4533' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4533' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_fetch_sw_netstats' mangled-name='dev_fetch_sw_netstats' filepath='net/core/dev.c' line='10479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_fetch_sw_netstats'>
+ <parameter type-id='bd3860fe' name='s' filepath='net/core/dev.c' line='10479' column='1'/>
+ <parameter type-id='069eeb9e' name='netstats' filepath='net/core/dev.c' line='10480' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_fwnode' mangled-name='dev_fwnode' filepath='drivers/base/property.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_fwnode'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='21' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='dev_get_by_index' mangled-name='dev_get_by_index' filepath='net/core/dev.c' line='984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_by_index'>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/dev.c' line='984' column='1'/>
+ <parameter type-id='95e97e5e' name='ifindex' filepath='net/core/dev.c' line='984' column='1'/>
+ <return type-id='68a2d05b'/>
+ </function-decl>
+ <function-decl name='dev_get_by_name' mangled-name='dev_get_by_name' filepath='net/core/dev.c' line='910' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_by_name'>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/dev.c' line='910' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='910' column='1'/>
+ <return type-id='68a2d05b'/>
+ </function-decl>
+ <function-decl name='dev_get_by_name_rcu' mangled-name='dev_get_by_name_rcu' filepath='net/core/dev.c' line='889' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_by_name_rcu'>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/dev.c' line='889' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='net/core/dev.c' line='889' column='1'/>
+ <return type-id='68a2d05b'/>
+ </function-decl>
+ <function-decl name='dev_get_regmap' mangled-name='dev_get_regmap' filepath='drivers/base/regmap/regmap.c' line='1530' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_regmap'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='1530' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/regmap/regmap.c' line='1530' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='dev_get_stats' mangled-name='dev_get_stats' filepath='net/core/dev.c' line='10452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_get_stats'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10452' column='1'/>
+ <parameter type-id='bd3860fe' name='storage' filepath='net/core/dev.c' line='10453' column='1'/>
+ <return type-id='bd3860fe'/>
+ </function-decl>
+ <function-decl name='dev_mc_sync_multiple' mangled-name='dev_mc_sync_multiple' filepath='net/core/dev_addr_lists.c' line='893' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_mc_sync_multiple'>
+ <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='893' column='1'/>
+ <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='893' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_mc_unsync' mangled-name='dev_mc_unsync' filepath='net/core/dev_addr_lists.c' line='918' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_mc_unsync'>
+ <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='918' column='1'/>
+ <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='918' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_open' mangled-name='dev_open' filepath='net/core/dev.c' line='1571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_open'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1571' column='1'/>
+ <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='1571' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_clear_wake_irq' mangled-name='dev_pm_clear_wake_irq' filepath='drivers/base/power/wakeirq.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_clear_wake_irq'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeirq.c' line='87' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_domain_attach' mangled-name='dev_pm_domain_attach' filepath='drivers/base/power/common.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_domain_attach'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/common.c' line='102' column='1'/>
+ <parameter type-id='b50a4934' name='power_on' filepath='drivers/base/power/common.c' line='102' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_domain_attach_by_id' mangled-name='dev_pm_domain_attach_by_id' filepath='drivers/base/power/common.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_domain_attach_by_id'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/common.c' line='143' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/base/power/common.c' line='144' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='dev_pm_domain_attach_by_name' mangled-name='dev_pm_domain_attach_by_name' filepath='drivers/base/power/common.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_domain_attach_by_name'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/common.c' line='160' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/power/common.c' line='161' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='dev_pm_domain_detach' mangled-name='dev_pm_domain_detach' filepath='drivers/base/power/common.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_domain_detach'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/common.c' line='183' column='1'/>
+ <parameter type-id='b50a4934' name='power_off' filepath='drivers/base/power/common.c' line='183' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_genpd_add_notifier' mangled-name='dev_pm_genpd_add_notifier' filepath='drivers/base/power/domain.c' line='1716' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_genpd_add_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='1716' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/base/power/domain.c' line='1716' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_genpd_remove_notifier' mangled-name='dev_pm_genpd_remove_notifier' filepath='drivers/base/power/domain.c' line='1762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_genpd_remove_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='1762' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_genpd_set_next_wakeup' mangled-name='dev_pm_genpd_set_next_wakeup' filepath='drivers/base/power/domain.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_genpd_set_next_wakeup'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='441' column='1'/>
+ <parameter type-id='fbc017ef' name='next' filepath='drivers/base/power/domain.c' line='441' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_genpd_set_performance_state' mangled-name='dev_pm_genpd_set_performance_state' filepath='drivers/base/power/domain.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_genpd_set_performance_state'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='391' column='1'/>
+ <parameter type-id='f0981eeb' name='state' filepath='drivers/base/power/domain.c' line='391' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_add' mangled-name='dev_pm_opp_add' filepath='drivers/opp/core.c' line='2182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_add'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2182' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2182' column='1'/>
+ <parameter type-id='7359adad' name='u_volt' filepath='drivers/opp/core.c' line='2182' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_adjust_voltage' mangled-name='dev_pm_opp_adjust_voltage' filepath='drivers/opp/core.c' line='2284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_adjust_voltage'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2284' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2284' column='1'/>
+ <parameter type-id='7359adad' name='u_volt' filepath='drivers/opp/core.c' line='2285' column='1'/>
+ <parameter type-id='7359adad' name='u_volt_min' filepath='drivers/opp/core.c' line='2285' column='1'/>
+ <parameter type-id='7359adad' name='u_volt_max' filepath='drivers/opp/core.c' line='2286' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_disable' mangled-name='dev_pm_opp_disable' filepath='drivers/opp/core.c' line='2375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_disable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2375' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2375' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_enable' mangled-name='dev_pm_opp_enable' filepath='drivers/opp/core.c' line='2355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_enable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2355' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='2355' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_find_freq_ceil' mangled-name='dev_pm_opp_find_freq_ceil' filepath='drivers/opp/core.c' line='493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_find_freq_ceil'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='493' column='1'/>
+ <parameter type-id='1d2c2b85' name='freq' filepath='drivers/opp/core.c' line='494' column='1'/>
+ <return type-id='02e48bc6'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_find_freq_ceil_by_volt' mangled-name='dev_pm_opp_find_freq_ceil_by_volt' filepath='drivers/opp/core.c' line='591' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_find_freq_ceil_by_volt'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='591' column='1'/>
+ <parameter type-id='7359adad' name='u_volt' filepath='drivers/opp/core.c' line='592' column='1'/>
+ <return type-id='02e48bc6'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_find_freq_exact' mangled-name='dev_pm_opp_find_freq_exact' filepath='drivers/opp/core.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_find_freq_exact'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='369' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='370' column='1'/>
+ <parameter type-id='b50a4934' name='available' filepath='drivers/opp/core.c' line='371' column='1'/>
+ <return type-id='02e48bc6'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_find_freq_floor' mangled-name='dev_pm_opp_find_freq_floor' filepath='drivers/opp/core.c' line='534' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_find_freq_floor'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='534' column='1'/>
+ <parameter type-id='1d2c2b85' name='freq' filepath='drivers/opp/core.c' line='535' column='1'/>
+ <return type-id='02e48bc6'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_free_cpufreq_table' mangled-name='dev_pm_opp_free_cpufreq_table' filepath='drivers/opp/cpu.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_free_cpufreq_table'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/cpu.c' line='96' column='1'/>
+ <parameter type-id='873a2591' name='table' filepath='drivers/opp/cpu.c' line='97' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_freq' mangled-name='dev_pm_opp_get_freq' filepath='drivers/opp/core.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_freq'>
+ <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='119' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_level' mangled-name='dev_pm_opp_get_level' filepath='drivers/opp/core.c' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_level'>
+ <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='137' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_max_transition_latency' mangled-name='dev_pm_opp_get_max_transition_latency' filepath='drivers/opp/core.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_max_transition_latency'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='270' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_opp_count' mangled-name='dev_pm_opp_get_opp_count' filepath='drivers/opp/core.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_opp_count'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='326' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_opp_table' mangled-name='dev_pm_opp_get_opp_table' filepath='drivers/opp/core.c' line='1171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_opp_table'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1171' column='1'/>
+ <return type-id='e62a60bd'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_sharing_cpus' mangled-name='dev_pm_opp_get_sharing_cpus' filepath='drivers/opp/cpu.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_sharing_cpus'>
+ <parameter type-id='fa0b179b' name='cpu_dev' filepath='drivers/opp/cpu.c' line='205' column='1'/>
+ <parameter type-id='74bccedd' name='cpumask' filepath='drivers/opp/cpu.c' line='205' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_suspend_opp_freq' mangled-name='dev_pm_opp_get_suspend_opp_freq' filepath='drivers/opp/core.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_suspend_opp_freq'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='284' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_get_voltage' mangled-name='dev_pm_opp_get_voltage' filepath='drivers/opp/core.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_get_voltage'>
+ <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='101' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_init_cpufreq_table' mangled-name='dev_pm_opp_init_cpufreq_table' filepath='drivers/opp/cpu.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_init_cpufreq_table'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/cpu.c' line='43' column='1'/>
+ <parameter type-id='873a2591' name='table' filepath='drivers/opp/cpu.c' line='44' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_add_table' mangled-name='dev_pm_opp_of_add_table' filepath='drivers/opp/of.c' line='965' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_add_table'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='965' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_add_table_indexed' mangled-name='dev_pm_opp_of_add_table_indexed' filepath='drivers/opp/of.c' line='1009' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_add_table_indexed'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='1009' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/opp/of.c' line='1009' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_cpumask_add_table' mangled-name='dev_pm_opp_of_cpumask_add_table' filepath='drivers/opp/of.c' line='1058' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_cpumask_add_table'>
+ <parameter type-id='5f8a1ac4' name='cpumask' filepath='drivers/opp/of.c' line='1058' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_cpumask_remove_table' mangled-name='dev_pm_opp_of_cpumask_remove_table' filepath='drivers/opp/of.c' line='1046' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_cpumask_remove_table'>
+ <parameter type-id='5f8a1ac4' name='cpumask' filepath='drivers/opp/of.c' line='1046' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_find_icc_paths' mangled-name='dev_pm_opp_of_find_icc_paths' filepath='drivers/opp/of.c' line='364' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_find_icc_paths'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='364' column='1'/>
+ <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/of.c' line='365' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_get_sharing_cpus' mangled-name='dev_pm_opp_of_get_sharing_cpus' filepath='drivers/opp/of.c' line='1115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_get_sharing_cpus'>
+ <parameter type-id='fa0b179b' name='cpu_dev' filepath='drivers/opp/of.c' line='1115' column='1'/>
+ <parameter type-id='74bccedd' name='cpumask' filepath='drivers/opp/of.c' line='1116' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_register_em' mangled-name='dev_pm_opp_of_register_em' filepath='drivers/opp/of.c' line='1292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_register_em'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='1292' column='1'/>
+ <parameter type-id='74bccedd' name='cpus' filepath='drivers/opp/of.c' line='1292' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_of_remove_table' mangled-name='dev_pm_opp_of_remove_table' filepath='drivers/opp/of.c' line='628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_of_remove_table'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/of.c' line='628' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_put' mangled-name='dev_pm_opp_put' filepath='drivers/opp/core.c' line='1271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put'>
+ <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='1271' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_put_clkname' mangled-name='dev_pm_opp_put_clkname' filepath='drivers/opp/core.c' line='1908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_clkname'>
+ <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1908' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_put_opp_table' mangled-name='dev_pm_opp_put_opp_table' filepath='drivers/opp/core.c' line='1223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_opp_table'>
+ <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1223' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_put_prop_name' mangled-name='dev_pm_opp_put_prop_name' filepath='drivers/opp/core.c' line='1698' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_prop_name'>
+ <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1698' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_put_regulators' mangled-name='dev_pm_opp_put_regulators' filepath='drivers/opp/core.c' line='1824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_regulators'>
+ <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1824' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_put_supported_hw' mangled-name='dev_pm_opp_put_supported_hw' filepath='drivers/opp/core.c' line='1642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_put_supported_hw'>
+ <parameter type-id='e62a60bd' name='opp_table' filepath='drivers/opp/core.c' line='1642' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_register_notifier' mangled-name='dev_pm_opp_register_notifier' filepath='drivers/opp/core.c' line='2388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_register_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2388' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/opp/core.c' line='2388' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_register_set_opp_helper' mangled-name='dev_pm_opp_register_set_opp_helper' filepath='drivers/opp/core.c' line='1930' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_register_set_opp_helper'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1930' column='1'/>
+ <parameter type-id='c1433076' name='set_opp' filepath='drivers/opp/core.c' line='1931' column='1'/>
+ <return type-id='e62a60bd'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_remove' mangled-name='dev_pm_opp_remove' filepath='drivers/opp/core.c' line='1290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_remove'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1290' column='1'/>
+ <parameter type-id='7359adad' name='freq' filepath='drivers/opp/core.c' line='1290' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_remove_all_dynamic' mangled-name='dev_pm_opp_remove_all_dynamic' filepath='drivers/opp/core.c' line='1358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_remove_all_dynamic'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1358' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_set_bw' mangled-name='dev_pm_opp_set_bw' filepath='drivers/opp/core.c' line='854' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_bw'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='854' column='1'/>
+ <parameter type-id='02e48bc6' name='opp' filepath='drivers/opp/core.c' line='854' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_set_clkname' mangled-name='dev_pm_opp_set_clkname' filepath='drivers/opp/core.c' line='1865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_clkname'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1865' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/opp/core.c' line='1865' column='1'/>
+ <return type-id='e62a60bd'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_set_prop_name' mangled-name='dev_pm_opp_set_prop_name' filepath='drivers/opp/core.c' line='1665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_prop_name'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1665' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/opp/core.c' line='1665' column='1'/>
+ <return type-id='e62a60bd'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_set_rate' mangled-name='dev_pm_opp_set_rate' filepath='drivers/opp/core.c' line='914' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_rate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='914' column='1'/>
+ <parameter type-id='7359adad' name='target_freq' filepath='drivers/opp/core.c' line='914' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_set_regulators' mangled-name='dev_pm_opp_set_regulators' filepath='drivers/opp/core.c' line='1754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_regulators'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1754' column='1'/>
+ <parameter type-id='13956559' name='names' filepath='drivers/opp/core.c' line='1755' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='drivers/opp/core.c' line='1756' column='1'/>
+ <return type-id='e62a60bd'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_set_sharing_cpus' mangled-name='dev_pm_opp_set_sharing_cpus' filepath='drivers/opp/cpu.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_sharing_cpus'>
+ <parameter type-id='fa0b179b' name='cpu_dev' filepath='drivers/opp/cpu.c' line='155' column='1'/>
+ <parameter type-id='5f8a1ac4' name='cpumask' filepath='drivers/opp/cpu.c' line='156' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_set_supported_hw' mangled-name='dev_pm_opp_set_supported_hw' filepath='drivers/opp/core.c' line='1605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_set_supported_hw'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='1605' column='1'/>
+ <parameter type-id='aded214c' name='versions' filepath='drivers/opp/core.c' line='1606' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='drivers/opp/core.c' line='1606' column='1'/>
+ <return type-id='e62a60bd'/>
+ </function-decl>
+ <function-decl name='dev_pm_opp_unregister_notifier' mangled-name='dev_pm_opp_unregister_notifier' filepath='drivers/opp/core.c' line='2412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_opp_unregister_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/opp/core.c' line='2412' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/opp/core.c' line='2413' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_add_notifier' mangled-name='dev_pm_qos_add_notifier' filepath='drivers/base/power/qos.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_add_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='536' column='1'/>
+ <parameter type-id='d504f73d' name='notifier' filepath='drivers/base/power/qos.c' line='536' column='1'/>
+ <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='537' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_add_request' mangled-name='dev_pm_qos_add_request' filepath='drivers/base/power/qos.c' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_add_request'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='389' column='1'/>
+ <parameter type-id='a80fd1bc' name='req' filepath='drivers/base/power/qos.c' line='389' column='1'/>
+ <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='390' column='1'/>
+ <parameter type-id='a7832498' name='value' filepath='drivers/base/power/qos.c' line='390' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_expose_latency_tolerance' mangled-name='dev_pm_qos_expose_latency_tolerance' filepath='drivers/base/power/qos.c' line='952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_expose_latency_tolerance'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='952' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_hide_latency_tolerance' mangled-name='dev_pm_qos_hide_latency_tolerance' filepath='drivers/base/power/qos.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_hide_latency_tolerance'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='971' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_read_value' mangled-name='dev_pm_qos_read_value' filepath='drivers/base/power/qos.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_read_value'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='110' column='1'/>
+ <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='110' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_remove_notifier' mangled-name='dev_pm_qos_remove_notifier' filepath='drivers/base/power/qos.c' line='586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_remove_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='586' column='1'/>
+ <parameter type-id='d504f73d' name='notifier' filepath='drivers/base/power/qos.c' line='587' column='1'/>
+ <parameter type-id='c47ba023' name='type' filepath='drivers/base/power/qos.c' line='588' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_remove_request' mangled-name='dev_pm_qos_remove_request' filepath='drivers/base/power/qos.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_remove_request'>
+ <parameter type-id='a80fd1bc' name='req' filepath='drivers/base/power/qos.c' line='511' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_update_request' mangled-name='dev_pm_qos_update_request' filepath='drivers/base/power/qos.c' line='464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_update_request'>
+ <parameter type-id='a80fd1bc' name='req' filepath='drivers/base/power/qos.c' line='464' column='1'/>
+ <parameter type-id='a7832498' name='new_value' filepath='drivers/base/power/qos.c' line='464' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_qos_update_user_latency_tolerance' mangled-name='dev_pm_qos_update_user_latency_tolerance' filepath='drivers/base/power/qos.c' line='905' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_qos_update_user_latency_tolerance'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/qos.c' line='905' column='1'/>
+ <parameter type-id='a7832498' name='val' filepath='drivers/base/power/qos.c' line='905' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_set_dedicated_wake_irq' mangled-name='dev_pm_set_dedicated_wake_irq' filepath='drivers/base/power/wakeirq.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_set_dedicated_wake_irq'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeirq.c' line='165' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/power/wakeirq.c' line='165' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_pm_set_wake_irq' mangled-name='dev_pm_set_wake_irq' filepath='drivers/base/power/wakeirq.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_pm_set_wake_irq'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeirq.c' line='53' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/power/wakeirq.c' line='53' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_printk' mangled-name='dev_printk' filepath='drivers/base/core.c' line='4462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_printk'>
+ <parameter type-id='80f4b756' name='level' filepath='drivers/base/core.c' line='4462' column='1'/>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4462' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4463' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_printk_emit' mangled-name='dev_printk_emit' filepath='drivers/base/core.c' line='4437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_printk_emit'>
+ <parameter type-id='95e97e5e' name='level' filepath='drivers/base/core.c' line='4437' column='1'/>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4437' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4437' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_queue_xmit' mangled-name='dev_queue_xmit' filepath='net/core/dev.c' line='4199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_queue_xmit'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4199' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_set_mac_address' mangled-name='dev_set_mac_address' filepath='net/core/dev.c' line='8731' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_set_mac_address'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='8731' column='1'/>
+ <parameter type-id='5c0abad8' name='sa' filepath='net/core/dev.c' line='8731' column='1'/>
+ <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='8732' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_set_mtu' mangled-name='dev_set_mtu' filepath='net/core/dev.c' line='8646' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_set_mtu'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='8646' column='1'/>
+ <parameter type-id='95e97e5e' name='new_mtu' filepath='net/core/dev.c' line='8646' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_set_name' mangled-name='dev_set_name' filepath='drivers/base/core.c' line='3021' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_set_name'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3021' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='3021' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_to_i3cdev' mangled-name='dev_to_i3cdev' filepath='drivers/i3c/device.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_to_i3cdev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/i3c/device.c' line='197' column='1'/>
+ <return type-id='c062d7a5'/>
+ </function-decl>
+ <function-decl name='dev_uc_sync_multiple' mangled-name='dev_uc_sync_multiple' filepath='net/core/dev_addr_lists.c' line='663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_uc_sync_multiple'>
+ <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='663' column='1'/>
+ <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='663' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dev_uc_unsync' mangled-name='dev_uc_unsync' filepath='net/core/dev_addr_lists.c' line='688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_uc_unsync'>
+ <parameter type-id='68a2d05b' name='to' filepath='net/core/dev_addr_lists.c' line='688' column='1'/>
+ <parameter type-id='68a2d05b' name='from' filepath='net/core/dev_addr_lists.c' line='688' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dev_vprintk_emit' mangled-name='dev_vprintk_emit' filepath='drivers/base/core.c' line='4426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dev_vprintk_emit'>
+ <parameter type-id='95e97e5e' name='level' filepath='drivers/base/core.c' line='4426' column='1'/>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/base/core.c' line='4426' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='4427' column='1'/>
+ <parameter type-id='2aee9912' name='args' filepath='drivers/base/core.c' line='4427' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_add_device' mangled-name='devfreq_add_device' filepath='drivers/devfreq/devfreq.c' line='746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_add_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='746' column='1'/>
+ <parameter type-id='cba10b6e' name='profile' filepath='drivers/devfreq/devfreq.c' line='747' column='1'/>
+ <parameter type-id='80f4b756' name='governor_name' filepath='drivers/devfreq/devfreq.c' line='748' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/devfreq/devfreq.c' line='749' column='1'/>
+ <return type-id='f66fa7f4'/>
+ </function-decl>
+ <function-decl name='devfreq_add_governor' mangled-name='devfreq_add_governor' filepath='drivers/devfreq/devfreq.c' line='1193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_add_governor'>
+ <parameter type-id='247297cd' name='governor' filepath='drivers/devfreq/devfreq.c' line='1193' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_cooling_unregister' mangled-name='devfreq_cooling_unregister' filepath='drivers/thermal/devfreq_cooling.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_cooling_unregister'>
+ <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/devfreq_cooling.c' line='557' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devfreq_event_disable_edev' mangled-name='devfreq_event_disable_edev' filepath='drivers/devfreq/devfreq-event.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_disable_edev'>
+ <parameter type-id='88146159' name='edev' filepath='drivers/devfreq/devfreq-event.c' line='69' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_event_enable_edev' mangled-name='devfreq_event_enable_edev' filepath='drivers/devfreq/devfreq-event.c' line='37' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_enable_edev'>
+ <parameter type-id='88146159' name='edev' filepath='drivers/devfreq/devfreq-event.c' line='37' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_event_get_edev_by_phandle' mangled-name='devfreq_event_get_edev_by_phandle' filepath='drivers/devfreq/devfreq-event.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_get_edev_by_phandle'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq-event.c' line='221' column='1'/>
+ <parameter type-id='80f4b756' name='phandle_name' filepath='drivers/devfreq/devfreq-event.c' line='222' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/devfreq/devfreq-event.c' line='222' column='1'/>
+ <return type-id='88146159'/>
+ </function-decl>
+ <function-decl name='devfreq_event_get_edev_count' mangled-name='devfreq_event_get_edev_count' filepath='drivers/devfreq/devfreq-event.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_get_edev_count'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq-event.c' line='266' column='1'/>
+ <parameter type-id='80f4b756' name='phandle_name' filepath='drivers/devfreq/devfreq-event.c' line='266' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_event_get_event' mangled-name='devfreq_event_get_event' filepath='drivers/devfreq/devfreq-event.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_event_get_event'>
+ <parameter type-id='88146159' name='edev' filepath='drivers/devfreq/devfreq-event.c' line='160' column='1'/>
+ <parameter type-id='d6184118' name='edata' filepath='drivers/devfreq/devfreq-event.c' line='161' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_get_devfreq_by_node' mangled-name='devfreq_get_devfreq_by_node' filepath='drivers/devfreq/devfreq.c' line='994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_get_devfreq_by_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/devfreq/devfreq.c' line='994' column='1'/>
+ <return type-id='f66fa7f4'/>
+ </function-decl>
+ <function-decl name='devfreq_get_devfreq_by_phandle' mangled-name='devfreq_get_devfreq_by_phandle' filepath='drivers/devfreq/devfreq.c' line='1022' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_get_devfreq_by_phandle'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1022' column='1'/>
+ <parameter type-id='80f4b756' name='phandle_name' filepath='drivers/devfreq/devfreq.c' line='1023' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/devfreq/devfreq.c' line='1023' column='1'/>
+ <return type-id='f66fa7f4'/>
+ </function-decl>
+ <function-decl name='devfreq_monitor_resume' mangled-name='devfreq_monitor_resume' filepath='drivers/devfreq/devfreq.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_resume'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='535' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devfreq_monitor_start' mangled-name='devfreq_monitor_start' filepath='drivers/devfreq/devfreq.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_start'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='457' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devfreq_monitor_stop' mangled-name='devfreq_monitor_stop' filepath='drivers/devfreq/devfreq.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_stop'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='487' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devfreq_monitor_suspend' mangled-name='devfreq_monitor_suspend' filepath='drivers/devfreq/devfreq.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_monitor_suspend'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='508' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devfreq_recommended_opp' mangled-name='devfreq_recommended_opp' filepath='drivers/devfreq/devfreq.c' line='1899' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_recommended_opp'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1899' column='1'/>
+ <parameter type-id='1d2c2b85' name='freq' filepath='drivers/devfreq/devfreq.c' line='1900' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/devfreq/devfreq.c' line='1901' column='1'/>
+ <return type-id='02e48bc6'/>
+ </function-decl>
+ <function-decl name='devfreq_register_opp_notifier' mangled-name='devfreq_register_opp_notifier' filepath='drivers/devfreq/devfreq.c' line='1932' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_register_opp_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1932' column='1'/>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1932' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_remove_device' mangled-name='devfreq_remove_device' filepath='drivers/devfreq/devfreq.c' line='922' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_remove_device'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='922' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_remove_governor' mangled-name='devfreq_remove_governor' filepath='drivers/devfreq/devfreq.c' line='1258' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_remove_governor'>
+ <parameter type-id='247297cd' name='governor' filepath='drivers/devfreq/devfreq.c' line='1258' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_resume_device' mangled-name='devfreq_resume_device' filepath='drivers/devfreq/devfreq.c' line='1116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_resume_device'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1116' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_suspend_device' mangled-name='devfreq_suspend_device' filepath='drivers/devfreq/devfreq.c' line='1079' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_suspend_device'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1079' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_unregister_opp_notifier' mangled-name='devfreq_unregister_opp_notifier' filepath='drivers/devfreq/devfreq.c' line='1948' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_unregister_opp_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1948' column='1'/>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1948' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devfreq_update_interval' mangled-name='devfreq_update_interval' filepath='drivers/devfreq/devfreq.c' line='572' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devfreq_update_interval'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='572' column='1'/>
+ <parameter type-id='807869d3' name='delay' filepath='drivers/devfreq/devfreq.c' line='572' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_add' mangled-name='device_add' filepath='drivers/base/core.c' line='3120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_add'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3120' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_add_disk' mangled-name='device_add_disk' filepath='block/genhd.c' line='840' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_add_disk'>
+ <parameter type-id='fa0b179b' name='parent' filepath='block/genhd.c' line='840' column='1'/>
+ <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='840' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='block/genhd.c' line='841' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_add_groups' mangled-name='device_add_groups' filepath='drivers/base/core.c' line='2334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_add_groups'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2334' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='2334' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_attach' mangled-name='device_attach' filepath='drivers/base/dd.c' line='962' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_attach'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/dd.c' line='962' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_bind_driver' mangled-name='device_bind_driver' filepath='drivers/base/dd.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_bind_driver'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/dd.c' line='460' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_create' mangled-name='device_create' filepath='drivers/base/core.c' line='3926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create'>
+ <parameter type-id='67aca04f' name='class' filepath='drivers/base/core.c' line='3926' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3926' column='1'/>
+ <parameter type-id='8504f260' name='devt' filepath='drivers/base/core.c' line='3927' column='1'/>
+ <parameter type-id='eaa32e2f' name='drvdata' filepath='drivers/base/core.c' line='3927' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='3927' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='device_create_bin_file' mangled-name='device_create_bin_file' filepath='drivers/base/core.c' line='2658' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create_bin_file'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2658' column='1'/>
+ <parameter type-id='559ac6f0' name='attr' filepath='drivers/base/core.c' line='2659' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_create_file' mangled-name='device_create_file' filepath='drivers/base/core.c' line='2604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create_file'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2604' column='1'/>
+ <parameter type-id='de63df21' name='attr' filepath='drivers/base/core.c' line='2605' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_create_with_groups' mangled-name='device_create_with_groups' filepath='drivers/base/core.c' line='3967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_create_with_groups'>
+ <parameter type-id='67aca04f' name='class' filepath='drivers/base/core.c' line='3967' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3968' column='1'/>
+ <parameter type-id='8504f260' name='devt' filepath='drivers/base/core.c' line='3968' column='1'/>
+ <parameter type-id='eaa32e2f' name='drvdata' filepath='drivers/base/core.c' line='3969' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='3970' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/core.c' line='3971' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='device_del' mangled-name='device_del' filepath='drivers/base/core.c' line='3375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_del'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3375' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_destroy' mangled-name='device_destroy' filepath='drivers/base/core.c' line='3992' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_destroy'>
+ <parameter type-id='67aca04f' name='class' filepath='drivers/base/core.c' line='3992' column='1'/>
+ <parameter type-id='8504f260' name='devt' filepath='drivers/base/core.c' line='3992' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_find_child' mangled-name='device_find_child' filepath='drivers/base/core.c' line='3606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_find_child'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3606' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/core.c' line='3606' column='1'/>
+ <parameter type-id='92d15ae9' name='match' filepath='drivers/base/core.c' line='3607' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='device_for_each_child' mangled-name='device_for_each_child' filepath='drivers/base/core.c' line='3541' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_for_each_child'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/base/core.c' line='3541' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/core.c' line='3541' column='1'/>
+ <parameter type-id='92d15ae9' name='fn' filepath='drivers/base/core.c' line='3542' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_get_child_node_count' mangled-name='device_get_child_node_count' filepath='drivers/base/property.c' line='851' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_child_node_count'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='851' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='device_get_dma_attr' mangled-name='device_get_dma_attr' filepath='drivers/base/property.c' line='876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_dma_attr'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='876' column='1'/>
+ <return type-id='0f98306c'/>
+ </function-decl>
+ <function-decl name='device_get_mac_address' mangled-name='device_get_mac_address' filepath='drivers/base/property.c' line='990' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_mac_address'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='990' column='1'/>
+ <parameter type-id='26a90f95' name='addr' filepath='drivers/base/property.c' line='990' column='1'/>
+ <parameter type-id='95e97e5e' name='alen' filepath='drivers/base/property.c' line='990' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='device_get_match_data' mangled-name='device_get_match_data' filepath='drivers/base/property.c' line='1234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_match_data'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='1234' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='device_get_named_child_node' mangled-name='device_get_named_child_node' filepath='drivers/base/property.c' line='801' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_named_child_node'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='801' column='1'/>
+ <parameter type-id='80f4b756' name='childname' filepath='drivers/base/property.c' line='802' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='device_get_next_child_node' mangled-name='device_get_next_child_node' filepath='drivers/base/property.c' line='759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_next_child_node'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='759' column='1'/>
+ <parameter type-id='4a935625' name='child' filepath='drivers/base/property.c' line='760' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='device_get_phy_mode' mangled-name='device_get_phy_mode' filepath='drivers/base/property.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_get_phy_mode'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='928' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_init_wakeup' mangled-name='device_init_wakeup' filepath='drivers/base/power/wakeup.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_init_wakeup'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='516' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/base/power/wakeup.c' line='516' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_initialize' mangled-name='device_initialize' filepath='drivers/base/core.c' line='2717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_initialize'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2717' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_link_add' mangled-name='device_link_add' filepath='drivers/base/core.c' line='670' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_link_add'>
+ <parameter type-id='fa0b179b' name='consumer' filepath='drivers/base/core.c' line='670' column='1'/>
+ <parameter type-id='fa0b179b' name='supplier' filepath='drivers/base/core.c' line='671' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/base/core.c' line='671' column='1'/>
+ <return type-id='7acfb3fa'/>
+ </function-decl>
+ <function-decl name='device_link_del' mangled-name='device_link_del' filepath='drivers/base/core.c' line='898' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_link_del'>
+ <parameter type-id='7acfb3fa' name='link' filepath='drivers/base/core.c' line='898' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_link_remove' mangled-name='device_link_remove' filepath='drivers/base/core.c' line='914' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_link_remove'>
+ <parameter type-id='eaa32e2f' name='consumer' filepath='drivers/base/core.c' line='914' column='1'/>
+ <parameter type-id='fa0b179b' name='supplier' filepath='drivers/base/core.c' line='914' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_match_fwnode' mangled-name='device_match_fwnode' filepath='drivers/base/core.c' line='4643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_match_fwnode'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='4643' column='1'/>
+ <parameter type-id='eaa32e2f' name='fwnode' filepath='drivers/base/core.c' line='4643' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_match_name' mangled-name='device_match_name' filepath='drivers/base/core.c' line='4631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_match_name'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='4631' column='1'/>
+ <parameter type-id='eaa32e2f' name='name' filepath='drivers/base/core.c' line='4631' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_match_of_node' mangled-name='device_match_of_node' filepath='drivers/base/core.c' line='4637' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_match_of_node'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='4637' column='1'/>
+ <parameter type-id='eaa32e2f' name='np' filepath='drivers/base/core.c' line='4637' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_node_to_regmap' mangled-name='device_node_to_regmap' filepath='drivers/mfd/syscon.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_node_to_regmap'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/mfd/syscon.c' line='177' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='device_property_present' mangled-name='device_property_present' filepath='drivers/base/property.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_present'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='35' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='35' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='device_property_read_string' mangled-name='device_property_read_string' filepath='drivers/base/property.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_string'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='200' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='200' column='1'/>
+ <parameter type-id='7d3cd834' name='val' filepath='drivers/base/property.c' line='201' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_property_read_string_array' mangled-name='device_property_read_string_array' filepath='drivers/base/property.c' line='178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_string_array'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='178' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='178' column='1'/>
+ <parameter type-id='7d3cd834' name='val' filepath='drivers/base/property.c' line='179' column='1'/>
+ <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='179' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_property_read_u16_array' mangled-name='device_property_read_u16_array' filepath='drivers/base/property.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_u16_array'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='103' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='103' column='1'/>
+ <parameter type-id='26d4d46f' name='val' filepath='drivers/base/property.c' line='104' column='1'/>
+ <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='104' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_property_read_u32_array' mangled-name='device_property_read_u32_array' filepath='drivers/base/property.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_u32_array'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='128' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='128' column='1'/>
+ <parameter type-id='f9409001' name='val' filepath='drivers/base/property.c' line='129' column='1'/>
+ <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='129' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_property_read_u8_array' mangled-name='device_property_read_u8_array' filepath='drivers/base/property.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_property_read_u8_array'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/property.c' line='78' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='78' column='1'/>
+ <parameter type-id='8bff8096' name='val' filepath='drivers/base/property.c' line='79' column='1'/>
+ <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='79' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_register' mangled-name='device_register' filepath='drivers/base/core.c' line='3311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3311' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_release_driver' mangled-name='device_release_driver' filepath='drivers/base/dd.c' line='1212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_release_driver'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/dd.c' line='1212' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_remove_bin_file' mangled-name='device_remove_bin_file' filepath='drivers/base/core.c' line='2673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_bin_file'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2673' column='1'/>
+ <parameter type-id='559ac6f0' name='attr' filepath='drivers/base/core.c' line='2674' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_remove_file' mangled-name='device_remove_file' filepath='drivers/base/core.c' line='2628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_file'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2628' column='1'/>
+ <parameter type-id='de63df21' name='attr' filepath='drivers/base/core.c' line='2629' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_remove_file_self' mangled-name='device_remove_file_self' filepath='drivers/base/core.c' line='2643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_file_self'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2643' column='1'/>
+ <parameter type-id='de63df21' name='attr' filepath='drivers/base/core.c' line='2644' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='device_remove_groups' mangled-name='device_remove_groups' filepath='drivers/base/core.c' line='2340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_remove_groups'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2340' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='2341' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_rename' mangled-name='device_rename' filepath='drivers/base/core.c' line='4043' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_rename'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='4043' column='1'/>
+ <parameter type-id='80f4b756' name='new_name' filepath='drivers/base/core.c' line='4043' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_set_of_node_from_dev' mangled-name='device_set_of_node_from_dev' filepath='drivers/base/core.c' line='4623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_set_of_node_from_dev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='4623' column='1'/>
+ <parameter type-id='8df61054' name='dev2' filepath='drivers/base/core.c' line='4623' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_set_wakeup_capable' mangled-name='device_set_wakeup_capable' filepath='drivers/base/power/wakeup.c' line='486' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_set_wakeup_capable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='486' column='1'/>
+ <parameter type-id='b50a4934' name='capable' filepath='drivers/base/power/wakeup.c' line='486' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_set_wakeup_enable' mangled-name='device_set_wakeup_enable' filepath='drivers/base/power/wakeup.c' line='539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_set_wakeup_enable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='539' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/base/power/wakeup.c' line='539' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_show_bool' mangled-name='device_show_bool' filepath='drivers/base/core.c' line='2072' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_show_bool'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2072' column='1'/>
+ <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2072' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='drivers/base/core.c' line='2073' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='device_show_int' mangled-name='device_show_int' filepath='drivers/base/core.c' line='2050' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_show_int'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2050' column='1'/>
+ <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2051' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='drivers/base/core.c' line='2052' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='device_store_bool' mangled-name='device_store_bool' filepath='drivers/base/core.c' line='2060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_store_bool'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2060' column='1'/>
+ <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2060' column='1'/>
+ <parameter type-id='80f4b756' name='buf' filepath='drivers/base/core.c' line='2061' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/base/core.c' line='2061' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='device_store_int' mangled-name='device_store_int' filepath='drivers/base/core.c' line='2030' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_store_int'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2030' column='1'/>
+ <parameter type-id='89a2612a' name='attr' filepath='drivers/base/core.c' line='2031' column='1'/>
+ <parameter type-id='80f4b756' name='buf' filepath='drivers/base/core.c' line='2032' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/base/core.c' line='2032' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='device_unregister' mangled-name='device_unregister' filepath='drivers/base/core.c' line='3450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_unregister'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3450' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='device_wakeup_disable' mangled-name='device_wakeup_disable' filepath='drivers/base/power/wakeup.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_wakeup_disable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='461' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='device_wakeup_enable' mangled-name='device_wakeup_enable' filepath='drivers/base/power/wakeup.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='device_wakeup_enable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='339' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_add_action' mangled-name='devm_add_action' filepath='drivers/base/devres.c' line='739' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_add_action'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='739' column='1'/>
+ <parameter type-id='b7f9d8e6' name='action' filepath='drivers/base/devres.c' line='739' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devres.c' line='739' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_backlight_device_register' mangled-name='devm_backlight_device_register' filepath='drivers/video/backlight/backlight.c' line='602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_backlight_device_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/video/backlight/backlight.c' line='602' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/video/backlight/backlight.c' line='603' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/video/backlight/backlight.c' line='603' column='1'/>
+ <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/video/backlight/backlight.c' line='603' column='1'/>
+ <parameter type-id='a3d6b1c0' name='ops' filepath='drivers/video/backlight/backlight.c' line='604' column='1'/>
+ <parameter type-id='f46152e7' name='props' filepath='drivers/video/backlight/backlight.c' line='605' column='1'/>
+ <return type-id='7a76d041'/>
+ </function-decl>
+ <function-decl name='devm_backlight_device_unregister' mangled-name='devm_backlight_device_unregister' filepath='drivers/video/backlight/backlight.c' line='636' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_backlight_device_unregister'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/video/backlight/backlight.c' line='636' column='1'/>
+ <parameter type-id='7a76d041' name='bd' filepath='drivers/video/backlight/backlight.c' line='637' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_blk_ksm_init' mangled-name='devm_blk_ksm_init' filepath='block/keyslot-manager.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_blk_ksm_init'>
+ <parameter type-id='fa0b179b' name='dev' filepath='block/keyslot-manager.c' line='152' column='1'/>
+ <parameter type-id='bf8a20d2' name='ksm' filepath='block/keyslot-manager.c' line='152' column='1'/>
+ <parameter type-id='f0981eeb' name='num_slots' filepath='block/keyslot-manager.c' line='153' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_clk_bulk_get' mangled-name='devm_clk_bulk_get' filepath='drivers/clk/clk-devres.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_bulk_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='81' column='1'/>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-devres.c' line='81' column='1'/>
+ <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-devres.c' line='82' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_clk_bulk_get_all' mangled-name='devm_clk_bulk_get_all' filepath='drivers/clk/clk-devres.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_bulk_get_all'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='102' column='1'/>
+ <parameter type-id='734c20ed' name='clks' filepath='drivers/clk/clk-devres.c' line='103' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_clk_bulk_get_optional' mangled-name='devm_clk_bulk_get_optional' filepath='drivers/clk/clk-devres.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_bulk_get_optional'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='88' column='1'/>
+ <parameter type-id='95e97e5e' name='num_clks' filepath='drivers/clk/clk-devres.c' line='88' column='1'/>
+ <parameter type-id='2942e355' name='clks' filepath='drivers/clk/clk-devres.c' line='89' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_clk_get' mangled-name='devm_clk_get' filepath='drivers/clk/clk-devres.c' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='12' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/clk/clk-devres.c' line='12' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='devm_clk_get_optional' mangled-name='devm_clk_get_optional' filepath='drivers/clk/clk-devres.c' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_get_optional'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='32' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/clk/clk-devres.c' line='32' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='devm_clk_hw_register' mangled-name='devm_clk_hw_register' filepath='drivers/clk/clk.c' line='4222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_hw_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4222' column='1'/>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4222' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_clk_hw_register_clkdev' mangled-name='devm_clk_hw_register_clkdev' filepath='drivers/clk/clkdev.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_hw_register_clkdev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clkdev.c' line='431' column='1'/>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clkdev.c' line='431' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clkdev.c' line='432' column='1'/>
+ <parameter type-id='80f4b756' name='dev_id' filepath='drivers/clk/clkdev.c' line='432' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_clk_put' mangled-name='devm_clk_put' filepath='drivers/clk/clk-devres.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_put'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='136' column='1'/>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/clk/clk-devres.c' line='136' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_clk_register' mangled-name='devm_clk_register' filepath='drivers/clk/clk.c' line='4192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_clk_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4192' column='1'/>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk.c' line='4192' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='devm_devfreq_add_device' mangled-name='devm_devfreq_add_device' filepath='drivers/devfreq/devfreq.c' line='963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_add_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='963' column='1'/>
+ <parameter type-id='cba10b6e' name='profile' filepath='drivers/devfreq/devfreq.c' line='964' column='1'/>
+ <parameter type-id='80f4b756' name='governor_name' filepath='drivers/devfreq/devfreq.c' line='965' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/devfreq/devfreq.c' line='966' column='1'/>
+ <return type-id='f66fa7f4'/>
+ </function-decl>
+ <function-decl name='devm_devfreq_event_add_edev' mangled-name='devm_devfreq_event_add_edev' filepath='drivers/devfreq/devfreq-event.c' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_event_add_edev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq-event.c' line='397' column='1'/>
+ <parameter type-id='72742e5b' name='desc' filepath='drivers/devfreq/devfreq-event.c' line='398' column='1'/>
+ <return type-id='88146159'/>
+ </function-decl>
+ <function-decl name='devm_devfreq_register_notifier' mangled-name='devm_devfreq_register_notifier' filepath='drivers/devfreq/devfreq.c' line='2079' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_register_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='2079' column='1'/>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='2080' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/devfreq/devfreq.c' line='2081' column='1'/>
+ <parameter type-id='f0981eeb' name='list' filepath='drivers/devfreq/devfreq.c' line='2082' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_devfreq_register_opp_notifier' mangled-name='devm_devfreq_register_opp_notifier' filepath='drivers/devfreq/devfreq.c' line='1965' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_register_opp_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1965' column='1'/>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1966' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_devfreq_remove_device' mangled-name='devm_devfreq_remove_device' filepath='drivers/devfreq/devfreq.c' line='1064' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_remove_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='1064' column='1'/>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='1064' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_devfreq_unregister_notifier' mangled-name='devm_devfreq_unregister_notifier' filepath='drivers/devfreq/devfreq.c' line='2115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_devfreq_unregister_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/devfreq/devfreq.c' line='2115' column='1'/>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='2116' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/devfreq/devfreq.c' line='2117' column='1'/>
+ <parameter type-id='f0981eeb' name='list' filepath='drivers/devfreq/devfreq.c' line='2118' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_device_add_group' mangled-name='devm_device_add_group' filepath='drivers/base/core.c' line='2385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_device_add_group'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2385' column='1'/>
+ <parameter type-id='8ff9530e' name='grp' filepath='drivers/base/core.c' line='2385' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_device_add_groups' mangled-name='devm_device_add_groups' filepath='drivers/base/core.c' line='2437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_device_add_groups'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2437' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/core.c' line='2438' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_device_remove_group' mangled-name='devm_device_remove_group' filepath='drivers/base/core.c' line='2415' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_device_remove_group'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='2415' column='1'/>
+ <parameter type-id='8ff9530e' name='grp' filepath='drivers/base/core.c' line='2416' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_drm_panel_bridge_add' mangled-name='devm_drm_panel_bridge_add' filepath='drivers/gpu/drm/bridge/panel.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_drm_panel_bridge_add'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/bridge/panel.c' line='269' column='1'/>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/bridge/panel.c' line='270' column='1'/>
+ <return type-id='8582e5ec'/>
+ </function-decl>
+ <function-decl name='devm_drm_panel_bridge_add_typed' mangled-name='devm_drm_panel_bridge_add_typed' filepath='drivers/gpu/drm/bridge/panel.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_drm_panel_bridge_add_typed'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/bridge/panel.c' line='294' column='1'/>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/bridge/panel.c' line='295' column='1'/>
+ <parameter type-id='19c2251e' name='connector_type' filepath='drivers/gpu/drm/bridge/panel.c' line='296' column='1'/>
+ <return type-id='8582e5ec'/>
+ </function-decl>
+ <function-decl name='devm_extcon_dev_allocate' mangled-name='devm_extcon_dev_allocate' filepath='drivers/extcon/devres.c' line='65' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_extcon_dev_allocate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/devres.c' line='65' column='1'/>
+ <parameter type-id='5b2fd8e8' name='supported_cable' filepath='drivers/extcon/devres.c' line='66' column='1'/>
+ <return type-id='c0d6fada'/>
+ </function-decl>
+ <function-decl name='devm_extcon_dev_register' mangled-name='devm_extcon_dev_register' filepath='drivers/extcon/devres.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_extcon_dev_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/devres.c' line='118' column='1'/>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/devres.c' line='118' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_extcon_dev_unregister' mangled-name='devm_extcon_dev_unregister' filepath='drivers/extcon/devres.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_extcon_dev_unregister'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/devres.c' line='148' column='1'/>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/devres.c' line='148' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_extcon_register_notifier' mangled-name='devm_extcon_register_notifier' filepath='drivers/extcon/devres.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_extcon_register_notifier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/devres.c' line='172' column='1'/>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/devres.c' line='172' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/devres.c' line='173' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/extcon/devres.c' line='173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_free_irq' mangled-name='devm_free_irq' filepath='kernel/irq/devres.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_free_irq'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='139' column='1'/>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/devres.c' line='139' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/devres.c' line='139' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_free_percpu' mangled-name='devm_free_percpu' filepath='drivers/base/devres.c' line='1228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_free_percpu'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1228' column='1'/>
+ <parameter type-id='eaa32e2f' name='pdata' filepath='drivers/base/devres.c' line='1228' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_fwnode_gpiod_get_index' mangled-name='devm_fwnode_gpiod_get_index' filepath='drivers/gpio/gpiolib-devres.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_fwnode_gpiod_get_index'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='202' column='1'/>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/gpio/gpiolib-devres.c' line='203' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='204' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/gpio/gpiolib-devres.c' line='204' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='205' column='1'/>
+ <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-devres.c' line='206' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='devm_fwnode_pwm_get' mangled-name='devm_fwnode_pwm_get' filepath='drivers/pwm/core.c' line='1218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_fwnode_pwm_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pwm/core.c' line='1218' column='1'/>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/pwm/core.c' line='1219' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/pwm/core.c' line='1220' column='1'/>
+ <return type-id='f06adae0'/>
+ </function-decl>
+ <function-decl name='devm_gen_pool_create' mangled-name='devm_gen_pool_create' filepath='lib/genalloc.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gen_pool_create'>
+ <parameter type-id='fa0b179b' name='dev' filepath='lib/genalloc.c' line='823' column='1'/>
+ <parameter type-id='95e97e5e' name='min_alloc_order' filepath='lib/genalloc.c' line='823' column='1'/>
+ <parameter type-id='95e97e5e' name='nid' filepath='lib/genalloc.c' line='824' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='lib/genalloc.c' line='824' column='1'/>
+ <return type-id='75b9415a'/>
+ </function-decl>
+ <function-decl name='devm_get_clk_from_child' mangled-name='devm_get_clk_from_child' filepath='drivers/clk/clk-devres.c' line='146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_get_clk_from_child'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk-devres.c' line='146' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk-devres.c' line='147' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/clk/clk-devres.c' line='147' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='devm_get_free_pages' mangled-name='devm_get_free_pages' filepath='drivers/base/devres.c' line='1127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_get_free_pages'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1127' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='drivers/base/devres.c' line='1128' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='drivers/base/devres.c' line='1128' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='devm_gpio_free' mangled-name='devm_gpio_free' filepath='drivers/gpio/gpiolib-devres.c' line='474' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpio_free'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='474' column='1'/>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-devres.c' line='474' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_gpio_request' mangled-name='devm_gpio_request' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpio_request'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1'/>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1'/>
+ <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-devres.c' line='412' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_gpio_request_one' mangled-name='devm_gpio_request_one' filepath='drivers/gpio/gpiolib-devres.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpio_request_one'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='441' column='1'/>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-devres.c' line='441' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='442' column='1'/>
+ <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-devres.c' line='442' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_gpiochip_add_data_with_key' mangled-name='devm_gpiochip_add_data_with_key' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiochip_add_data_with_key'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1'/>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpio/gpiolib-devres.c' line='506' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/gpio/gpiolib-devres.c' line='507' column='1'/>
+ <parameter type-id='a57283f9' name='request_key' filepath='drivers/gpio/gpiolib-devres.c' line='508' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_gpiod_get' mangled-name='devm_gpiod_get' filepath='drivers/gpio/gpiolib-devres.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='56' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='57' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='58' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='devm_gpiod_get_array' mangled-name='devm_gpiod_get_array' filepath='drivers/gpio/gpiolib-devres.c' line='268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_array'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='268' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='269' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='270' column='1'/>
+ <return type-id='58a5c6a3'/>
+ </function-decl>
+ <function-decl name='devm_gpiod_get_index' mangled-name='devm_gpiod_get_index' filepath='drivers/gpio/gpiolib-devres.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_index'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='93' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='94' column='1'/>
+ <parameter type-id='f0981eeb' name='idx' filepath='drivers/gpio/gpiolib-devres.c' line='95' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='96' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='devm_gpiod_get_index_optional' mangled-name='devm_gpiod_get_index_optional' filepath='drivers/gpio/gpiolib-devres.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_index_optional'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='241' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='242' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/gpio/gpiolib-devres.c' line='243' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='244' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='devm_gpiod_get_optional' mangled-name='devm_gpiod_get_optional' filepath='drivers/gpio/gpiolib-devres.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_get_optional'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='74' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib-devres.c' line='75' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib-devres.c' line='76' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='devm_gpiod_put' mangled-name='devm_gpiod_put' filepath='drivers/gpio/gpiolib-devres.c' line='327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_put'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='327' column='1'/>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib-devres.c' line='327' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_gpiod_put_array' mangled-name='devm_gpiod_put_array' filepath='drivers/gpio/gpiolib-devres.c' line='373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_gpiod_put_array'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib-devres.c' line='373' column='1'/>
+ <parameter type-id='58a5c6a3' name='descs' filepath='drivers/gpio/gpiolib-devres.c' line='373' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_hwrng_register' mangled-name='devm_hwrng_register' filepath='drivers/char/hw_random/core.c' line='585' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_hwrng_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/char/hw_random/core.c' line='585' column='1'/>
+ <parameter type-id='c1547255' name='rng' filepath='drivers/char/hw_random/core.c' line='585' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_hwspin_lock_register' mangled-name='devm_hwspin_lock_register' filepath='drivers/hwspinlock/hwspinlock_core.c' line='612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_hwspin_lock_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/hwspinlock/hwspinlock_core.c' line='612' column='1'/>
+ <parameter type-id='b8cd8f00' name='bank' filepath='drivers/hwspinlock/hwspinlock_core.c' line='613' column='1'/>
+ <parameter type-id='9138a099' name='ops' filepath='drivers/hwspinlock/hwspinlock_core.c' line='614' column='1'/>
+ <parameter type-id='95e97e5e' name='base_id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='615' column='1'/>
+ <parameter type-id='95e97e5e' name='num_locks' filepath='drivers/hwspinlock/hwspinlock_core.c' line='615' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_hwspin_lock_request_specific' mangled-name='devm_hwspin_lock_request_specific' filepath='drivers/hwspinlock/hwspinlock_core.c' line='931' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_hwspin_lock_request_specific'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/hwspinlock/hwspinlock_core.c' line='931' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='932' column='1'/>
+ <return type-id='0cb0b26f'/>
+ </function-decl>
+ <function-decl name='devm_i2c_new_dummy_device' mangled-name='devm_i2c_new_dummy_device' filepath='drivers/i2c/i2c-core-base.c' line='1042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_i2c_new_dummy_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='1042' column='1'/>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-base.c' line='1043' column='1'/>
+ <parameter type-id='1dc6a898' name='address' filepath='drivers/i2c/i2c-core-base.c' line='1044' column='1'/>
+ <return type-id='3e31633b'/>
+ </function-decl>
+ <function-decl name='devm_iio_channel_get' mangled-name='devm_iio_channel_get' filepath='drivers/iio/inkern.c' line='363' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_iio_channel_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/inkern.c' line='363' column='1'/>
+ <parameter type-id='80f4b756' name='channel_name' filepath='drivers/iio/inkern.c' line='364' column='1'/>
+ <return type-id='2712709a'/>
+ </function-decl>
+ <function-decl name='devm_iio_channel_get_all' mangled-name='devm_iio_channel_get_all' filepath='drivers/iio/inkern.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_iio_channel_get_all'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/inkern.c' line='477' column='1'/>
+ <return type-id='2712709a'/>
+ </function-decl>
+ <function-decl name='devm_iio_device_alloc' mangled-name='devm_iio_device_alloc' filepath='drivers/iio/industrialio-core.c' line='1602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_iio_device_alloc'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/iio/industrialio-core.c' line='1602' column='1'/>
+ <parameter type-id='95e97e5e' name='sizeof_priv' filepath='drivers/iio/industrialio-core.c' line='1602' column='1'/>
+ <return type-id='226853d2'/>
+ </function-decl>
+ <function-decl name='devm_input_allocate_device' mangled-name='devm_input_allocate_device' filepath='drivers/input/input.c' line='1875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_input_allocate_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/input/input.c' line='1875' column='1'/>
+ <return type-id='74b427eb'/>
+ </function-decl>
+ <function-decl name='devm_ioremap' mangled-name='devm_ioremap' filepath='lib/devres.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_ioremap'>
+ <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='64' column='1'/>
+ <parameter type-id='acc63fdf' name='offset' filepath='lib/devres.c' line='64' column='1'/>
+ <parameter type-id='acc63fdf' name='size' filepath='lib/devres.c' line='65' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_ioremap_resource' mangled-name='devm_ioremap_resource' filepath='lib/devres.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_ioremap_resource'>
+ <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='175' column='1'/>
+ <parameter type-id='e153f6de' name='res' filepath='lib/devres.c' line='176' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_ioremap_wc' mangled-name='devm_ioremap_wc' filepath='lib/devres.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_ioremap_wc'>
+ <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='94' column='1'/>
+ <parameter type-id='acc63fdf' name='offset' filepath='lib/devres.c' line='94' column='1'/>
+ <parameter type-id='acc63fdf' name='size' filepath='lib/devres.c' line='95' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_iounmap' mangled-name='devm_iounmap' filepath='lib/devres.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_iounmap'>
+ <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='108' column='1'/>
+ <parameter type-id='eaa32e2f' name='addr' filepath='lib/devres.c' line='108' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_irq_alloc_generic_chip' mangled-name='devm_irq_alloc_generic_chip' filepath='kernel/irq/devres.c' line='218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_irq_alloc_generic_chip'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='218' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/irq/devres.c' line='218' column='1'/>
+ <parameter type-id='95e97e5e' name='num_ct' filepath='kernel/irq/devres.c' line='218' column='1'/>
+ <parameter type-id='f0981eeb' name='irq_base' filepath='kernel/irq/devres.c' line='219' column='1'/>
+ <parameter type-id='eaa32e2f' name='reg_base' filepath='kernel/irq/devres.c' line='219' column='1'/>
+ <parameter type-id='cdb741d3' name='handler' filepath='kernel/irq/devres.c' line='220' column='1'/>
+ <return type-id='e53d7a90'/>
+ </function-decl>
+ <function-decl name='devm_irq_setup_generic_chip' mangled-name='devm_irq_setup_generic_chip' filepath='kernel/irq/devres.c' line='262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_irq_setup_generic_chip'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='262' column='1'/>
+ <parameter type-id='e53d7a90' name='gc' filepath='kernel/irq/devres.c' line='262' column='1'/>
+ <parameter type-id='19c2251e' name='msk' filepath='kernel/irq/devres.c' line='263' column='1'/>
+ <parameter type-id='7a1ec3b1' name='flags' filepath='kernel/irq/devres.c' line='263' column='1'/>
+ <parameter type-id='f0981eeb' name='clr' filepath='kernel/irq/devres.c' line='264' column='1'/>
+ <parameter type-id='f0981eeb' name='set' filepath='kernel/irq/devres.c' line='264' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_kasprintf' mangled-name='devm_kasprintf' filepath='drivers/base/devres.c' line='1036' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kasprintf'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1036' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='1036' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/devres.c' line='1036' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='devm_kfree' mangled-name='devm_kfree' filepath='drivers/base/devres.c' line='1056' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kfree'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1056' column='1'/>
+ <parameter type-id='eaa32e2f' name='p' filepath='drivers/base/devres.c' line='1056' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_kmalloc' mangled-name='devm_kmalloc' filepath='drivers/base/devres.c' line='826' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kmalloc'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='826' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/base/devres.c' line='826' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='826' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_kmemdup' mangled-name='devm_kmemdup' filepath='drivers/base/devres.c' line='1082' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kmemdup'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1082' column='1'/>
+ <parameter type-id='eaa32e2f' name='src' filepath='drivers/base/devres.c' line='1082' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/base/devres.c' line='1082' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='1082' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_krealloc' mangled-name='devm_krealloc' filepath='drivers/base/devres.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_krealloc'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='864' column='1'/>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='drivers/base/devres.c' line='864' column='1'/>
+ <parameter type-id='b59d7dce' name='new_size' filepath='drivers/base/devres.c' line='864' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='864' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_kstrdup' mangled-name='devm_kstrdup' filepath='drivers/base/devres.c' line='955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kstrdup'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='955' column='1'/>
+ <parameter type-id='80f4b756' name='s' filepath='drivers/base/devres.c' line='955' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='955' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='devm_kstrdup_const' mangled-name='devm_kstrdup_const' filepath='drivers/base/devres.c' line='984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kstrdup_const'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='984' column='1'/>
+ <parameter type-id='80f4b756' name='s' filepath='drivers/base/devres.c' line='984' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='984' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='devm_kvasprintf' mangled-name='devm_kvasprintf' filepath='drivers/base/devres.c' line='1004' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_kvasprintf'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='1004' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='1004' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/base/devres.c' line='1004' column='1'/>
+ <parameter type-id='2aee9912' name='ap' filepath='drivers/base/devres.c' line='1005' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='devm_led_classdev_register_ext' mangled-name='devm_led_classdev_register_ext' filepath='drivers/leds/led-class.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_led_classdev_register_ext'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/leds/led-class.c' line='477' column='1'/>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-class.c' line='478' column='1'/>
+ <parameter type-id='eebb8ee8' name='init_data' filepath='drivers/leds/led-class.c' line='479' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_led_classdev_unregister' mangled-name='devm_led_classdev_unregister' filepath='drivers/leds/led-class.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_led_classdev_unregister'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/leds/led-class.c' line='516' column='1'/>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-class.c' line='517' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_mbox_controller_register' mangled-name='devm_mbox_controller_register' filepath='drivers/mailbox/mailbox.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_mbox_controller_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/mailbox/mailbox.c' line='579' column='1'/>
+ <parameter type-id='fb648468' name='mbox' filepath='drivers/mailbox/mailbox.c' line='580' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_memremap' mangled-name='devm_memremap' filepath='kernel/iomem.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_memremap'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/iomem.c' line='139' column='1'/>
+ <parameter type-id='acc63fdf' name='offset' filepath='kernel/iomem.c' line='139' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/iomem.c' line='140' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/iomem.c' line='140' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_mfd_add_devices' mangled-name='devm_mfd_add_devices' filepath='drivers/mfd/mfd-core.c' line='419' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_mfd_add_devices'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/mfd/mfd-core.c' line='419' column='1'/>
+ <parameter type-id='95e97e5e' name='id' filepath='drivers/mfd/mfd-core.c' line='419' column='1'/>
+ <parameter type-id='1447e860' name='cells' filepath='drivers/mfd/mfd-core.c' line='420' column='1'/>
+ <parameter type-id='95e97e5e' name='n_devs' filepath='drivers/mfd/mfd-core.c' line='420' column='1'/>
+ <parameter type-id='c9d64c0d' name='mem_base' filepath='drivers/mfd/mfd-core.c' line='421' column='1'/>
+ <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/mfd/mfd-core.c' line='422' column='1'/>
+ <parameter type-id='7544e824' name='domain' filepath='drivers/mfd/mfd-core.c' line='422' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_nvmem_cell_get' mangled-name='devm_nvmem_cell_get' filepath='drivers/nvmem/core.c' line='1142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_nvmem_cell_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='1142' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='1142' column='1'/>
+ <return type-id='4a4ce85f'/>
+ </function-decl>
+ <function-decl name='devm_nvmem_device_get' mangled-name='devm_nvmem_device_get' filepath='drivers/nvmem/core.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_nvmem_device_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='971' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='971' column='1'/>
+ <return type-id='8179bc49'/>
+ </function-decl>
+ <function-decl name='devm_nvmem_register' mangled-name='devm_nvmem_register' filepath='drivers/nvmem/core.c' line='766' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_nvmem_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='766' column='1'/>
+ <parameter type-id='7bb280fa' name='config' filepath='drivers/nvmem/core.c' line='767' column='1'/>
+ <return type-id='8179bc49'/>
+ </function-decl>
+ <function-decl name='devm_of_clk_add_hw_provider' mangled-name='devm_of_clk_add_hw_provider' filepath='drivers/clk/clk.c' line='4710' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_clk_add_hw_provider'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/clk/clk.c' line='4710' column='1'/>
+ <parameter type-id='a5186342' name='get' filepath='drivers/clk/clk.c' line='4711' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4713' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_of_icc_get' mangled-name='devm_of_icc_get' filepath='drivers/interconnect/core.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_icc_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/interconnect/core.c' line='402' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/interconnect/core.c' line='402' column='1'/>
+ <return type-id='b5fdec5e'/>
+ </function-decl>
+ <function-decl name='devm_of_iomap' mangled-name='devm_of_iomap' filepath='lib/devres.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_iomap'>
+ <parameter type-id='fa0b179b' name='dev' filepath='lib/devres.c' line='227' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='lib/devres.c' line='227' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='lib/devres.c' line='227' column='1'/>
+ <parameter type-id='9e6a6c02' name='size' filepath='lib/devres.c' line='228' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_of_phy_get' mangled-name='devm_of_phy_get' filepath='drivers/phy/phy-core.c' line='784' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_phy_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='784' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/phy/phy-core.c' line='784' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/phy/phy-core.c' line='785' column='1'/>
+ <return type-id='503ff1ba'/>
+ </function-decl>
+ <function-decl name='devm_of_phy_get_by_index' mangled-name='devm_of_phy_get_by_index' filepath='drivers/phy/phy-core.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_phy_get_by_index'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='824' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/phy/phy-core.c' line='824' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/phy/phy-core.c' line='825' column='1'/>
+ <return type-id='503ff1ba'/>
+ </function-decl>
+ <function-decl name='devm_of_platform_populate' mangled-name='devm_of_platform_populate' filepath='drivers/of/platform.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_platform_populate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/platform.c' line='611' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_of_pwm_get' mangled-name='devm_of_pwm_get' filepath='drivers/pwm/core.c' line='1185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_of_pwm_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pwm/core.c' line='1185' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/pwm/core.c' line='1185' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/pwm/core.c' line='1186' column='1'/>
+ <return type-id='f06adae0'/>
+ </function-decl>
+ <function-decl name='devm_pci_alloc_host_bridge' mangled-name='devm_pci_alloc_host_bridge' filepath='drivers/pci/probe.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pci_alloc_host_bridge'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pci/probe.c' line='621' column='1'/>
+ <parameter type-id='b59d7dce' name='priv' filepath='drivers/pci/probe.c' line='622' column='1'/>
+ <return type-id='cb0dbc3c'/>
+ </function-decl>
+ <function-decl name='devm_pci_remap_cfg_resource' mangled-name='devm_pci_remap_cfg_resource' filepath='drivers/pci/pci.c' line='4202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pci_remap_cfg_resource'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pci/pci.c' line='4202' column='1'/>
+ <parameter type-id='c9d64c0d' name='res' filepath='drivers/pci/pci.c' line='4203' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_phy_create' mangled-name='devm_phy_create' filepath='drivers/phy/phy-core.c' line='943' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_create'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='943' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/phy/phy-core.c' line='943' column='1'/>
+ <parameter type-id='5424a63a' name='ops' filepath='drivers/phy/phy-core.c' line='944' column='1'/>
+ <return type-id='503ff1ba'/>
+ </function-decl>
+ <function-decl name='devm_phy_get' mangled-name='devm_phy_get' filepath='drivers/phy/phy-core.c' line='730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='730' column='1'/>
+ <parameter type-id='80f4b756' name='string' filepath='drivers/phy/phy-core.c' line='730' column='1'/>
+ <return type-id='503ff1ba'/>
+ </function-decl>
+ <function-decl name='devm_phy_optional_get' mangled-name='devm_phy_optional_get' filepath='drivers/phy/phy-core.c' line='763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_optional_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='763' column='1'/>
+ <parameter type-id='80f4b756' name='string' filepath='drivers/phy/phy-core.c' line='763' column='1'/>
+ <return type-id='503ff1ba'/>
+ </function-decl>
+ <function-decl name='devm_phy_put' mangled-name='devm_phy_put' filepath='drivers/phy/phy-core.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_phy_put'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='611' column='1'/>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='611' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_pinctrl_get' mangled-name='devm_pinctrl_get' filepath='drivers/pinctrl/core.c' line='1339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1339' column='1'/>
+ <return type-id='73ea90c5'/>
+ </function-decl>
+ <function-decl name='devm_pinctrl_put' mangled-name='devm_pinctrl_put' filepath='drivers/pinctrl/core.c' line='1374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_put'>
+ <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1374' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_pinctrl_register' mangled-name='devm_pinctrl_register' filepath='drivers/pinctrl/core.c' line='2227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='2227' column='1'/>
+ <parameter type-id='d4682107' name='pctldesc' filepath='drivers/pinctrl/core.c' line='2228' column='1'/>
+ <parameter type-id='eaa32e2f' name='driver_data' filepath='drivers/pinctrl/core.c' line='2229' column='1'/>
+ <return type-id='10216dc5'/>
+ </function-decl>
+ <function-decl name='devm_pinctrl_register_and_init' mangled-name='devm_pinctrl_register_and_init' filepath='drivers/pinctrl/core.c' line='2261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pinctrl_register_and_init'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='2261' column='1'/>
+ <parameter type-id='d4682107' name='pctldesc' filepath='drivers/pinctrl/core.c' line='2262' column='1'/>
+ <parameter type-id='eaa32e2f' name='driver_data' filepath='drivers/pinctrl/core.c' line='2263' column='1'/>
+ <parameter type-id='53a00f3d' name='pctldev' filepath='drivers/pinctrl/core.c' line='2264' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_platform_get_and_ioremap_resource' mangled-name='devm_platform_get_and_ioremap_resource' filepath='drivers/base/platform.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_platform_get_and_ioremap_resource'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='80' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/base/platform.c' line='81' column='1'/>
+ <parameter type-id='e359e165' name='res' filepath='drivers/base/platform.c' line='81' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_platform_ioremap_resource' mangled-name='devm_platform_ioremap_resource' filepath='drivers/base/platform.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_platform_ioremap_resource'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='103' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/base/platform.c' line='104' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_platform_ioremap_resource_byname' mangled-name='devm_platform_ioremap_resource_byname' filepath='drivers/base/platform.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_platform_ioremap_resource_byname'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='143' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='144' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devm_power_supply_get_by_phandle' mangled-name='devm_power_supply_get_by_phandle' filepath='drivers/power/supply/power_supply_core.c' line='619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_power_supply_get_by_phandle'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/power/supply/power_supply_core.c' line='619' column='1'/>
+ <parameter type-id='80f4b756' name='property' filepath='drivers/power/supply/power_supply_core.c' line='620' column='1'/>
+ <return type-id='c0c93c9e'/>
+ </function-decl>
+ <function-decl name='devm_power_supply_register' mangled-name='devm_power_supply_register' filepath='drivers/power/supply/power_supply_core.c' line='1354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_power_supply_register'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/power/supply/power_supply_core.c' line='1354' column='1'/>
+ <parameter type-id='cb9cd99f' name='desc' filepath='drivers/power/supply/power_supply_core.c' line='1355' column='1'/>
+ <parameter type-id='048b3ad6' name='cfg' filepath='drivers/power/supply/power_supply_core.c' line='1356' column='1'/>
+ <return type-id='c0c93c9e'/>
+ </function-decl>
+ <function-decl name='devm_pwm_get' mangled-name='devm_pwm_get' filepath='drivers/pwm/core.c' line='1153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pwm_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pwm/core.c' line='1153' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/pwm/core.c' line='1153' column='1'/>
+ <return type-id='f06adae0'/>
+ </function-decl>
+ <function-decl name='devm_pwm_put' mangled-name='devm_pwm_put' filepath='drivers/pwm/core.c' line='1263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_pwm_put'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pwm/core.c' line='1263' column='1'/>
+ <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='1263' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_rc_allocate_device' mangled-name='devm_rc_allocate_device' filepath='drivers/media/rc/rc-main.c' line='1759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rc_allocate_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/media/rc/rc-main.c' line='1759' column='1'/>
+ <parameter type-id='d4dbe3db' name='type' filepath='drivers/media/rc/rc-main.c' line='1760' column='1'/>
+ <return type-id='75ae4804'/>
+ </function-decl>
+ <function-decl name='devm_rc_register_device' mangled-name='devm_rc_register_device' filepath='drivers/media/rc/rc-main.c' line='1993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rc_register_device'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/media/rc/rc-main.c' line='1993' column='1'/>
+ <parameter type-id='75ae4804' name='dev' filepath='drivers/media/rc/rc-main.c' line='1993' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_regmap_add_irq_chip' mangled-name='devm_regmap_add_irq_chip' filepath='drivers/base/regmap/regmap-irq.c' line='997' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regmap_add_irq_chip'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap-irq.c' line='997' column='1'/>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap-irq.c' line='997' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='997' column='1'/>
+ <parameter type-id='95e97e5e' name='irq_flags' filepath='drivers/base/regmap/regmap-irq.c' line='998' column='1'/>
+ <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/base/regmap/regmap-irq.c' line='998' column='1'/>
+ <parameter type-id='78965926' name='chip' filepath='drivers/base/regmap/regmap-irq.c' line='999' column='1'/>
+ <parameter type-id='a731d0ec' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='1000' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_regmap_del_irq_chip' mangled-name='devm_regmap_del_irq_chip' filepath='drivers/base/regmap/regmap-irq.c' line='1017' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regmap_del_irq_chip'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap-irq.c' line='1017' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='1017' column='1'/>
+ <parameter type-id='a2782ece' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='1018' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_regmap_field_alloc' mangled-name='devm_regmap_field_alloc' filepath='drivers/base/regmap/regmap.c' line='1258' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regmap_field_alloc'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='1258' column='1'/>
+ <parameter type-id='29af9a71' name='regmap' filepath='drivers/base/regmap/regmap.c' line='1259' column='1'/>
+ <parameter type-id='d7d5e052' name='reg_field' filepath='drivers/base/regmap/regmap.c' line='1259' column='1'/>
+ <return type-id='476eb32c'/>
+ </function-decl>
+ <function-decl name='devm_regulator_bulk_get' mangled-name='devm_regulator_bulk_get' filepath='drivers/regulator/devres.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_bulk_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='145' column='1'/>
+ <parameter type-id='95e97e5e' name='num_consumers' filepath='drivers/regulator/devres.c' line='145' column='1'/>
+ <parameter type-id='776946b4' name='consumers' filepath='drivers/regulator/devres.c' line='146' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_regulator_get' mangled-name='devm_regulator_get' filepath='drivers/regulator/devres.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='51' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/devres.c' line='51' column='1'/>
+ <return type-id='850c13f6'/>
+ </function-decl>
+ <function-decl name='devm_regulator_get_exclusive' mangled-name='devm_regulator_get_exclusive' filepath='drivers/regulator/devres.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_get_exclusive'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='66' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/devres.c' line='67' column='1'/>
+ <return type-id='850c13f6'/>
+ </function-decl>
+ <function-decl name='devm_regulator_get_optional' mangled-name='devm_regulator_get_optional' filepath='drivers/regulator/devres.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_get_optional'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='82' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/regulator/devres.c' line='83' column='1'/>
+ <return type-id='850c13f6'/>
+ </function-decl>
+ <function-decl name='devm_regulator_put' mangled-name='devm_regulator_put' filepath='drivers/regulator/devres.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_put'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/devres.c' line='107' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_regulator_register' mangled-name='devm_regulator_register' filepath='drivers/regulator/devres.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/devres.c' line='185' column='1'/>
+ <parameter type-id='5629bd41' name='regulator_desc' filepath='drivers/regulator/devres.c' line='186' column='1'/>
+ <parameter type-id='661ccd0c' name='config' filepath='drivers/regulator/devres.c' line='187' column='1'/>
+ <return type-id='43c38462'/>
+ </function-decl>
+ <function-decl name='devm_regulator_register_notifier' mangled-name='devm_regulator_register_notifier' filepath='drivers/regulator/devres.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_register_notifier'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/devres.c' line='431' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/regulator/devres.c' line='432' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_regulator_unregister_notifier' mangled-name='devm_regulator_unregister_notifier' filepath='drivers/regulator/devres.c' line='469' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_regulator_unregister_notifier'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/devres.c' line='469' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/regulator/devres.c' line='470' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_remove_action' mangled-name='devm_remove_action' filepath='drivers/base/devres.c' line='765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_remove_action'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='765' column='1'/>
+ <parameter type-id='b7f9d8e6' name='action' filepath='drivers/base/devres.c' line='765' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/devres.c' line='765' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_request_any_context_irq' mangled-name='devm_request_any_context_irq' filepath='kernel/irq/devres.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_request_any_context_irq'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='99' column='1'/>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/devres.c' line='99' column='1'/>
+ <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/devres.c' line='100' column='1'/>
+ <parameter type-id='7359adad' name='irqflags' filepath='kernel/irq/devres.c' line='100' column='1'/>
+ <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/devres.c' line='101' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/devres.c' line='101' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_request_threaded_irq' mangled-name='devm_request_threaded_irq' filepath='kernel/irq/devres.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_request_threaded_irq'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/irq/devres.c' line='51' column='1'/>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/devres.c' line='51' column='1'/>
+ <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/devres.c' line='52' column='1'/>
+ <parameter type-id='29591c9a' name='thread_fn' filepath='kernel/irq/devres.c' line='52' column='1'/>
+ <parameter type-id='7359adad' name='irqflags' filepath='kernel/irq/devres.c' line='53' column='1'/>
+ <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/devres.c' line='53' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/devres.c' line='54' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_reset_control_array_get' mangled-name='devm_reset_control_array_get' filepath='drivers/reset/core.c' line='926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_reset_control_array_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='926' column='1'/>
+ <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='926' column='1'/>
+ <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='926' column='1'/>
+ <return type-id='9f9b8114'/>
+ </function-decl>
+ <function-decl name='devm_reset_controller_register' mangled-name='devm_reset_controller_register' filepath='drivers/reset/core.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_reset_controller_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/reset/core.c' line='142' column='1'/>
+ <parameter type-id='775147d9' name='rcdev' filepath='drivers/reset/core.c' line='143' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_rproc_add' mangled-name='devm_rproc_add' filepath='drivers/remoteproc/remoteproc_core.c' line='2068' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rproc_add'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/remoteproc/remoteproc_core.c' line='2068' column='1'/>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2068' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_rproc_alloc' mangled-name='devm_rproc_alloc' filepath='drivers/remoteproc/remoteproc_core.c' line='2341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rproc_alloc'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/remoteproc/remoteproc_core.c' line='2341' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/remoteproc/remoteproc_core.c' line='2341' column='1'/>
+ <parameter type-id='48daa4cd' name='ops' filepath='drivers/remoteproc/remoteproc_core.c' line='2342' column='1'/>
+ <parameter type-id='80f4b756' name='firmware' filepath='drivers/remoteproc/remoteproc_core.c' line='2343' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='drivers/remoteproc/remoteproc_core.c' line='2343' column='1'/>
+ <return type-id='5771c601'/>
+ </function-decl>
+ <function-decl name='devm_rtc_allocate_device' mangled-name='devm_rtc_allocate_device' filepath='drivers/rtc/class.c' line='350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rtc_allocate_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/rtc/class.c' line='350' column='1'/>
+ <return type-id='5992ae83'/>
+ </function-decl>
+ <function-decl name='devm_rtc_device_register' mangled-name='devm_rtc_device_register' filepath='drivers/rtc/class.c' line='445' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_rtc_device_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/rtc/class.c' line='445' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/rtc/class.c' line='446' column='1'/>
+ <parameter type-id='b902d9c7' name='ops' filepath='drivers/rtc/class.c' line='447' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/rtc/class.c' line='448' column='1'/>
+ <return type-id='5992ae83'/>
+ </function-decl>
+ <function-decl name='devm_snd_dmaengine_pcm_register' mangled-name='devm_snd_dmaengine_pcm_register' filepath='sound/soc/soc-devres.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_snd_dmaengine_pcm_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-devres.c' line='139' column='1'/>
+ <parameter type-id='cf458aec' name='config' filepath='sound/soc/soc-devres.c' line='140' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='sound/soc/soc-devres.c' line='140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_snd_soc_register_card' mangled-name='devm_snd_soc_register_card' filepath='sound/soc/soc-devres.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_snd_soc_register_card'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-devres.c' line='102' column='1'/>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-devres.c' line='102' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_snd_soc_register_component' mangled-name='devm_snd_soc_register_component' filepath='sound/soc/soc-devres.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_snd_soc_register_component'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-devres.c' line='66' column='1'/>
+ <parameter type-id='f030c2b8' name='cmpnt_drv' filepath='sound/soc/soc-devres.c' line='67' column='1'/>
+ <parameter type-id='763d26a2' name='dai_drv' filepath='sound/soc/soc-devres.c' line='68' column='1'/>
+ <parameter type-id='95e97e5e' name='num_dai' filepath='sound/soc/soc-devres.c' line='68' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_spi_mem_dirmap_create' mangled-name='devm_spi_mem_dirmap_create' filepath='drivers/spi/spi-mem.c' line='599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_spi_mem_dirmap_create'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/spi/spi-mem.c' line='599' column='1'/>
+ <parameter type-id='33dc3b1b' name='mem' filepath='drivers/spi/spi-mem.c' line='599' column='1'/>
+ <parameter type-id='1de3f3e7' name='info' filepath='drivers/spi/spi-mem.c' line='600' column='1'/>
+ <return type-id='4f4f2d55'/>
+ </function-decl>
+ <function-decl name='devm_spi_register_controller' mangled-name='devm_spi_register_controller' filepath='drivers/spi/spi.c' line='2828' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_spi_register_controller'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/spi/spi.c' line='2828' column='1'/>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2829' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devm_thermal_of_cooling_device_register' mangled-name='devm_thermal_of_cooling_device_register' filepath='drivers/thermal/thermal_core.c' line='1222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_thermal_of_cooling_device_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_core.c' line='1222' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/thermal/thermal_core.c' line='1223' column='1'/>
+ <parameter type-id='26a90f95' name='type' filepath='drivers/thermal/thermal_core.c' line='1224' column='1'/>
+ <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1224' column='1'/>
+ <parameter type-id='6f4dc085' name='ops' filepath='drivers/thermal/thermal_core.c' line='1225' column='1'/>
+ <return type-id='2feec21f'/>
+ </function-decl>
+ <function-decl name='devm_thermal_zone_of_sensor_register' mangled-name='devm_thermal_zone_of_sensor_register' filepath='drivers/thermal/thermal_of.c' line='615' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_thermal_zone_of_sensor_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='616' column='1'/>
+ <parameter type-id='95e97e5e' name='sensor_id' filepath='drivers/thermal/thermal_of.c' line='616' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/thermal/thermal_of.c' line='617' column='1'/>
+ <parameter type-id='83036d6c' name='ops' filepath='drivers/thermal/thermal_of.c' line='617' column='1'/>
+ <return type-id='404b1300'/>
+ </function-decl>
+ <function-decl name='devm_thermal_zone_of_sensor_unregister' mangled-name='devm_thermal_zone_of_sensor_unregister' filepath='drivers/thermal/thermal_of.c' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_thermal_zone_of_sensor_unregister'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='652' column='1'/>
+ <parameter type-id='404b1300' name='tzd' filepath='drivers/thermal/thermal_of.c' line='653' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devm_usb_get_phy' mangled-name='devm_usb_get_phy' filepath='drivers/usb/phy/phy.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_usb_get_phy'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/phy/phy.c' line='426' column='1'/>
+ <parameter type-id='d95f4827' name='type' filepath='drivers/usb/phy/phy.c' line='426' column='1'/>
+ <return type-id='ca9354d1'/>
+ </function-decl>
+ <function-decl name='devm_usb_get_phy_by_node' mangled-name='devm_usb_get_phy_by_node' filepath='drivers/usb/phy/phy.c' line='497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_usb_get_phy_by_node'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/phy/phy.c' line='497' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/usb/phy/phy.c' line='498' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/usb/phy/phy.c' line='499' column='1'/>
+ <return type-id='ca9354d1'/>
+ </function-decl>
+ <function-decl name='devm_usb_get_phy_by_phandle' mangled-name='devm_usb_get_phy_by_phandle' filepath='drivers/usb/phy/phy.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_usb_get_phy_by_phandle'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/phy/phy.c' line='556' column='1'/>
+ <parameter type-id='80f4b756' name='phandle' filepath='drivers/usb/phy/phy.c' line='557' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/usb/phy/phy.c' line='557' column='1'/>
+ <return type-id='ca9354d1'/>
+ </function-decl>
+ <function-decl name='devm_watchdog_register_device' mangled-name='devm_watchdog_register_device' filepath='drivers/watchdog/watchdog_core.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devm_watchdog_register_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/watchdog/watchdog_core.c' line='381' column='1'/>
+ <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='382' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devres_add' mangled-name='devres_add' filepath='drivers/base/devres.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_add'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='245' column='1'/>
+ <parameter type-id='eaa32e2f' name='res' filepath='drivers/base/devres.c' line='245' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devres_alloc_node' mangled-name='devres_alloc_node' filepath='drivers/base/devres.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_alloc_node'>
+ <parameter type-id='b6609e5b' name='release' filepath='drivers/base/devres.c' line='165' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/base/devres.c' line='165' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/devres.c' line='165' column='1'/>
+ <parameter type-id='95e97e5e' name='nid' filepath='drivers/base/devres.c' line='165' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='devres_destroy' mangled-name='devres_destroy' filepath='drivers/base/devres.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_destroy'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='392' column='1'/>
+ <parameter type-id='b6609e5b' name='release' filepath='drivers/base/devres.c' line='392' column='1'/>
+ <parameter type-id='4a798fcf' name='match' filepath='drivers/base/devres.c' line='393' column='1'/>
+ <parameter type-id='eaa32e2f' name='match_data' filepath='drivers/base/devres.c' line='393' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='devres_free' mangled-name='devres_free' filepath='drivers/base/devres.c' line='225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_free'>
+ <parameter type-id='eaa32e2f' name='res' filepath='drivers/base/devres.c' line='225' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='devres_release' mangled-name='devres_release' filepath='drivers/base/devres.c' line='422' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='devres_release'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/devres.c' line='422' column='1'/>
+ <parameter type-id='b6609e5b' name='release' filepath='drivers/base/devres.c' line='422' column='1'/>
+ <parameter type-id='4a798fcf' name='match' filepath='drivers/base/devres.c' line='423' column='1'/>
+ <parameter type-id='eaa32e2f' name='match_data' filepath='drivers/base/devres.c' line='423' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='disable_irq' mangled-name='disable_irq' filepath='kernel/irq/manage.c' line='622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disable_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='622' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='disable_irq_nosync' mangled-name='disable_irq_nosync' filepath='kernel/irq/manage.c' line='604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disable_irq_nosync'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='604' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='disable_percpu_irq' mangled-name='disable_percpu_irq' filepath='kernel/irq/manage.c' line='2293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disable_percpu_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2293' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='disk_end_io_acct' mangled-name='disk_end_io_acct' filepath='block/blk-core.c' line='1385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disk_end_io_acct'>
+ <parameter type-id='33c599da' name='disk' filepath='block/blk-core.c' line='1385' column='1'/>
+ <parameter type-id='f0981eeb' name='op' filepath='block/blk-core.c' line='1385' column='1'/>
+ <parameter type-id='7359adad' name='start_time' filepath='block/blk-core.c' line='1386' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='disk_start_io_acct' mangled-name='disk_start_io_acct' filepath='block/blk-core.c' line='1356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='disk_start_io_acct'>
+ <parameter type-id='33c599da' name='disk' filepath='block/blk-core.c' line='1356' column='1'/>
+ <parameter type-id='f0981eeb' name='sectors' filepath='block/blk-core.c' line='1356' column='1'/>
+ <parameter type-id='f0981eeb' name='op' filepath='block/blk-core.c' line='1357' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='display_timings_release' mangled-name='display_timings_release' filepath='drivers/video/display_timing.c' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='display_timings_release'>
+ <parameter type-id='32e774d9' name='disp' filepath='drivers/video/display_timing.c' line='12' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='divider_get_val' mangled-name='divider_get_val' filepath='drivers/clk/clk-divider.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_get_val'>
+ <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk-divider.c' line='401' column='1'/>
+ <parameter type-id='7359adad' name='parent_rate' filepath='drivers/clk/clk-divider.c' line='401' column='1'/>
+ <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='402' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='402' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='403' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='divider_recalc_rate' mangled-name='divider_recalc_rate' filepath='drivers/clk/clk-divider.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_recalc_rate'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='129' column='1'/>
+ <parameter type-id='7359adad' name='parent_rate' filepath='drivers/clk/clk-divider.c' line='129' column='1'/>
+ <parameter type-id='f0981eeb' name='val' filepath='drivers/clk/clk-divider.c' line='130' column='1'/>
+ <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='131' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='132' column='1'/>
+ <parameter type-id='7359adad' name='width' filepath='drivers/clk/clk-divider.c' line='132' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='divider_ro_round_rate_parent' mangled-name='divider_ro_round_rate_parent' filepath='drivers/clk/clk-divider.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_ro_round_rate_parent'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='358' column='1'/>
+ <parameter type-id='3aaeef89' name='parent' filepath='drivers/clk/clk-divider.c' line='358' column='1'/>
+ <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk-divider.c' line='359' column='1'/>
+ <parameter type-id='1d2c2b85' name='prate' filepath='drivers/clk/clk-divider.c' line='359' column='1'/>
+ <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='360' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='360' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='361' column='1'/>
+ <parameter type-id='f0981eeb' name='val' filepath='drivers/clk/clk-divider.c' line='361' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='divider_round_rate_parent' mangled-name='divider_round_rate_parent' filepath='drivers/clk/clk-divider.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='divider_round_rate_parent'>
+ <parameter type-id='3aaeef89' name='hw' filepath='drivers/clk/clk-divider.c' line='345' column='1'/>
+ <parameter type-id='3aaeef89' name='parent' filepath='drivers/clk/clk-divider.c' line='345' column='1'/>
+ <parameter type-id='7359adad' name='rate' filepath='drivers/clk/clk-divider.c' line='346' column='1'/>
+ <parameter type-id='1d2c2b85' name='prate' filepath='drivers/clk/clk-divider.c' line='346' column='1'/>
+ <parameter type-id='caf2596f' name='table' filepath='drivers/clk/clk-divider.c' line='347' column='1'/>
+ <parameter type-id='f9b06939' name='width' filepath='drivers/clk/clk-divider.c' line='348' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/clk/clk-divider.c' line='348' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='dma_alloc_attrs' mangled-name='dma_alloc_attrs' filepath='kernel/dma/mapping.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_alloc_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='424' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='424' column='1'/>
+ <parameter type-id='e835b5d8' name='dma_handle' filepath='kernel/dma/mapping.c' line='424' column='1'/>
+ <parameter type-id='3eb7c31c' name='flag' filepath='kernel/dma/mapping.c' line='425' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='425' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='dma_async_device_register' mangled-name='dma_async_device_register' filepath='drivers/dma/dmaengine.c' line='1140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_async_device_register'>
+ <parameter type-id='c60ba652' name='device' filepath='drivers/dma/dmaengine.c' line='1140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_async_device_unregister' mangled-name='dma_async_device_unregister' filepath='drivers/dma/dmaengine.c' line='1311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_async_device_unregister'>
+ <parameter type-id='c60ba652' name='device' filepath='drivers/dma/dmaengine.c' line='1311' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_async_tx_descriptor_init' mangled-name='dma_async_tx_descriptor_init' filepath='drivers/dma/dmaengine.c' line='1497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_async_tx_descriptor_init'>
+ <parameter type-id='0e3f80d9' name='tx' filepath='drivers/dma/dmaengine.c' line='1497' column='1'/>
+ <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='1498' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_buf_attach' mangled-name='dma_buf_attach' filepath='drivers/dma-buf/dma-buf.c' line='842' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_attach'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='842' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/dma-buf/dma-buf.c' line='843' column='1'/>
+ <return type-id='e68e04c1'/>
+ </function-decl>
+ <function-decl name='dma_buf_begin_cpu_access' mangled-name='dma_buf_begin_cpu_access' filepath='drivers/dma-buf/dma-buf.c' line='1160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_begin_cpu_access'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1160' column='1'/>
+ <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1161' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_begin_cpu_access_partial' mangled-name='dma_buf_begin_cpu_access_partial' filepath='drivers/dma-buf/dma-buf.c' line='1182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_begin_cpu_access_partial'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1182' column='1'/>
+ <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1183' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/dma-buf/dma-buf.c' line='1184' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='drivers/dma-buf/dma-buf.c' line='1184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_detach' mangled-name='dma_buf_detach' filepath='drivers/dma-buf/dma-buf.c' line='857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_detach'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='857' column='1'/>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='857' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_buf_dynamic_attach' mangled-name='dma_buf_dynamic_attach' filepath='drivers/dma-buf/dma-buf.c' line='754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_dynamic_attach'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='754' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/dma-buf/dma-buf.c' line='754' column='1'/>
+ <parameter type-id='ce74919f' name='importer_ops' filepath='drivers/dma-buf/dma-buf.c' line='755' column='1'/>
+ <parameter type-id='eaa32e2f' name='importer_priv' filepath='drivers/dma-buf/dma-buf.c' line='756' column='1'/>
+ <return type-id='e68e04c1'/>
+ </function-decl>
+ <function-decl name='dma_buf_end_cpu_access' mangled-name='dma_buf_end_cpu_access' filepath='drivers/dma-buf/dma-buf.c' line='1218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_end_cpu_access'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1218' column='1'/>
+ <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1219' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_end_cpu_access_partial' mangled-name='dma_buf_end_cpu_access_partial' filepath='drivers/dma-buf/dma-buf.c' line='1232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_end_cpu_access_partial'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1232' column='1'/>
+ <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1233' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/dma-buf/dma-buf.c' line='1234' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='drivers/dma-buf/dma-buf.c' line='1234' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_export' mangled-name='dma_buf_export' filepath='drivers/dma-buf/dma-buf.c' line='572' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_export'>
+ <parameter type-id='aecb451e' name='exp_info' filepath='drivers/dma-buf/dma-buf.c' line='572' column='1'/>
+ <return type-id='5e4f599b'/>
+ </function-decl>
+ <function-decl name='dma_buf_fd' mangled-name='dma_buf_fd' filepath='drivers/dma-buf/dma-buf.c' line='671' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_fd'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='671' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='drivers/dma-buf/dma-buf.c' line='671' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_get' mangled-name='dma_buf_get' filepath='drivers/dma-buf/dma-buf.c' line='696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_get'>
+ <parameter type-id='95e97e5e' name='fd' filepath='drivers/dma-buf/dma-buf.c' line='696' column='1'/>
+ <return type-id='5e4f599b'/>
+ </function-decl>
+ <function-decl name='dma_buf_get_flags' mangled-name='dma_buf_get_flags' filepath='drivers/dma-buf/dma-buf.c' line='1375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_get_flags'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1375' column='1'/>
+ <parameter type-id='1d2c2b85' name='flags' filepath='drivers/dma-buf/dma-buf.c' line='1375' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_map_attachment' mangled-name='dma_buf_map_attachment' filepath='drivers/dma-buf/dma-buf.c' line='937' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_map_attachment'>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='937' column='1'/>
+ <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='938' column='1'/>
+ <return type-id='4adb0e6a'/>
+ </function-decl>
+ <function-decl name='dma_buf_mmap' mangled-name='dma_buf_mmap' filepath='drivers/dma-buf/dma-buf.c' line='1262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_mmap'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1262' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/dma-buf/dma-buf.c' line='1262' column='1'/>
+ <parameter type-id='7359adad' name='pgoff' filepath='drivers/dma-buf/dma-buf.c' line='1263' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_move_notify' mangled-name='dma_buf_move_notify' filepath='drivers/dma-buf/dma-buf.c' line='1033' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_move_notify'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1033' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_buf_pin' mangled-name='dma_buf_pin' filepath='drivers/dma-buf/dma-buf.c' line='892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_pin'>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='892' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_buf_put' mangled-name='dma_buf_put' filepath='drivers/dma-buf/dma-buf.c' line='724' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_put'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='724' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_buf_unmap_attachment' mangled-name='dma_buf_unmap_attachment' filepath='drivers/dma-buf/dma-buf.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_unmap_attachment'>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='999' column='1'/>
+ <parameter type-id='4adb0e6a' name='sg_table' filepath='drivers/dma-buf/dma-buf.c' line='1000' column='1'/>
+ <parameter type-id='eea6b025' name='direction' filepath='drivers/dma-buf/dma-buf.c' line='1001' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_buf_unpin' mangled-name='dma_buf_unpin' filepath='drivers/dma-buf/dma-buf.c' line='911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_unpin'>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/dma-buf/dma-buf.c' line='911' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_buf_vmap' mangled-name='dma_buf_vmap' filepath='drivers/dma-buf/dma-buf.c' line='1316' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_vmap'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1316' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='dma_buf_vunmap' mangled-name='dma_buf_vunmap' filepath='drivers/dma-buf/dma-buf.c' line='1356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_buf_vunmap'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='1356' column='1'/>
+ <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/dma-buf/dma-buf.c' line='1356' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='dma_contiguous_default_area' type-id='6f67b38a' mangled-name='dma_contiguous_default_area' visibility='default' filepath='kernel/dma/contiguous.c' line='60' column='1' elf-symbol-id='dma_contiguous_default_area'/>
+ <function-decl name='dma_fence_add_callback' mangled-name='dma_fence_add_callback' filepath='drivers/dma-buf/dma-fence.c' line='612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_add_callback'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='612' column='1'/>
+ <parameter type-id='a47516e5' name='cb' filepath='drivers/dma-buf/dma-fence.c' line='612' column='1'/>
+ <parameter type-id='9c175524' name='func' filepath='drivers/dma-buf/dma-fence.c' line='613' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_fence_array_create' mangled-name='dma_fence_array_create' filepath='drivers/dma-buf/dma-fence-array.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_array_create'>
+ <parameter type-id='95e97e5e' name='num_fences' filepath='drivers/dma-buf/dma-fence-array.c' line='150' column='1'/>
+ <parameter type-id='be937eab' name='fences' filepath='drivers/dma-buf/dma-fence-array.c' line='151' column='1'/>
+ <parameter type-id='91ce1af9' name='context' filepath='drivers/dma-buf/dma-fence-array.c' line='152' column='1'/>
+ <parameter type-id='f0981eeb' name='seqno' filepath='drivers/dma-buf/dma-fence-array.c' line='152' column='1'/>
+ <parameter type-id='b50a4934' name='signal_on_any' filepath='drivers/dma-buf/dma-fence-array.c' line='153' column='1'/>
+ <return type-id='34135071'/>
+ </function-decl>
+ <var-decl name='dma_fence_array_ops' type-id='ee0fc87b' mangled-name='dma_fence_array_ops' visibility='default' filepath='drivers/dma-buf/dma-fence-array.c' line='122' column='1' elf-symbol-id='dma_fence_array_ops'/>
+ <function-decl name='dma_fence_context_alloc' mangled-name='dma_fence_context_alloc' filepath='drivers/dma-buf/dma-fence.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_context_alloc'>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/dma-buf/dma-fence.c' line='152' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='dma_fence_default_wait' mangled-name='dma_fence_default_wait' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_default_wait'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1'/>
+ <parameter type-id='b50a4934' name='intr' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1'/>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='drivers/dma-buf/dma-fence.c' line='730' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='dma_fence_enable_sw_signaling' mangled-name='dma_fence_enable_sw_signaling' filepath='drivers/dma-buf/dma-fence.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_enable_sw_signaling'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='574' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_fence_free' mangled-name='dma_fence_free' filepath='drivers/dma-buf/dma-fence.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_free'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='536' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_fence_get_status' mangled-name='dma_fence_get_status' filepath='drivers/dma-buf/dma-fence.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_get_status'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='654' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_fence_get_stub' mangled-name='dma_fence_get_stub' filepath='drivers/dma-buf/dma-fence.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_get_stub'>
+ <return type-id='28271da3'/>
+ </function-decl>
+ <function-decl name='dma_fence_init' mangled-name='dma_fence_init' filepath='drivers/dma-buf/dma-fence.c' line='904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_init'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='904' column='1'/>
+ <parameter type-id='13d85783' name='ops' filepath='drivers/dma-buf/dma-fence.c' line='904' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='drivers/dma-buf/dma-fence.c' line='905' column='1'/>
+ <parameter type-id='91ce1af9' name='context' filepath='drivers/dma-buf/dma-fence.c' line='905' column='1'/>
+ <parameter type-id='91ce1af9' name='seqno' filepath='drivers/dma-buf/dma-fence.c' line='905' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_fence_match_context' mangled-name='dma_fence_match_context' filepath='drivers/dma-buf/dma-fence-array.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_match_context'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence-array.c' line='188' column='1'/>
+ <parameter type-id='91ce1af9' name='context' filepath='drivers/dma-buf/dma-fence-array.c' line='188' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='dma_fence_release' mangled-name='dma_fence_release' filepath='drivers/dma-buf/dma-fence.c' line='494' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_release'>
+ <parameter type-id='aa29ecab' name='kref' filepath='drivers/dma-buf/dma-fence.c' line='494' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_fence_remove_callback' mangled-name='dma_fence_remove_callback' filepath='drivers/dma-buf/dma-fence.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_remove_callback'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='686' column='1'/>
+ <parameter type-id='a47516e5' name='cb' filepath='drivers/dma-buf/dma-fence.c' line='686' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='dma_fence_signal' mangled-name='dma_fence_signal' filepath='drivers/dma-buf/dma-fence.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_signal'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='426' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_fence_signal_locked' mangled-name='dma_fence_signal_locked' filepath='drivers/dma-buf/dma-fence.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_signal_locked'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='407' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_fence_signal_timestamp_locked' mangled-name='dma_fence_signal_timestamp_locked' filepath='drivers/dma-buf/dma-fence.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_signal_timestamp_locked'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='332' column='1'/>
+ <parameter type-id='fbc017ef' name='timestamp' filepath='drivers/dma-buf/dma-fence.c' line='333' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_fence_wait_any_timeout' mangled-name='dma_fence_wait_any_timeout' filepath='drivers/dma-buf/dma-fence.c' line='820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_wait_any_timeout'>
+ <parameter type-id='be937eab' name='fences' filepath='drivers/dma-buf/dma-fence.c' line='820' column='1'/>
+ <parameter type-id='8f92235e' name='count' filepath='drivers/dma-buf/dma-fence.c' line='820' column='1'/>
+ <parameter type-id='b50a4934' name='intr' filepath='drivers/dma-buf/dma-fence.c' line='821' column='1'/>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='drivers/dma-buf/dma-fence.c' line='821' column='1'/>
+ <parameter type-id='90421557' name='idx' filepath='drivers/dma-buf/dma-fence.c' line='821' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='dma_fence_wait_timeout' mangled-name='dma_fence_wait_timeout' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_fence_wait_timeout'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1'/>
+ <parameter type-id='b50a4934' name='intr' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1'/>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='drivers/dma-buf/dma-fence.c' line='466' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='dma_free_attrs' mangled-name='dma_free_attrs' filepath='kernel/dma/mapping.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_free_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='450' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='450' column='1'/>
+ <parameter type-id='eaa32e2f' name='cpu_addr' filepath='kernel/dma/mapping.c' line='450' column='1'/>
+ <parameter type-id='cf29c9b3' name='dma_handle' filepath='kernel/dma/mapping.c' line='451' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='451' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_get_merge_boundary' mangled-name='dma_get_merge_boundary' filepath='kernel/dma/mapping.c' line='638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_merge_boundary'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='638' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='dma_get_required_mask' mangled-name='dma_get_required_mask' filepath='kernel/dma/mapping.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_required_mask'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='403' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='dma_get_sgtable_attrs' mangled-name='dma_get_sgtable_attrs' filepath='kernel/dma/mapping.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_sgtable_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='321' column='1'/>
+ <parameter type-id='4adb0e6a' name='sgt' filepath='kernel/dma/mapping.c' line='321' column='1'/>
+ <parameter type-id='eaa32e2f' name='cpu_addr' filepath='kernel/dma/mapping.c' line='322' column='1'/>
+ <parameter type-id='cf29c9b3' name='dma_addr' filepath='kernel/dma/mapping.c' line='322' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='322' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='323' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_get_slave_caps' mangled-name='dma_get_slave_caps' filepath='drivers/dma/dmaengine.c' line='570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_slave_caps'>
+ <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='570' column='1'/>
+ <parameter type-id='d9f19b23' name='caps' filepath='drivers/dma/dmaengine.c' line='570' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_get_slave_channel' mangled-name='dma_get_slave_channel' filepath='drivers/dma/dmaengine.c' line='696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_get_slave_channel'>
+ <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='696' column='1'/>
+ <return type-id='27f3f5d8'/>
+ </function-decl>
+ <function-decl name='dma_heap_add' mangled-name='dma_heap_add' filepath='drivers/dma-buf/dma-heap.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_add'>
+ <parameter type-id='dbe60995' name='exp_info' filepath='drivers/dma-buf/dma-heap.c' line='296' column='1'/>
+ <return type-id='ea1bdaf6'/>
+ </function-decl>
+ <function-decl name='dma_heap_buffer_alloc' mangled-name='dma_heap_buffer_alloc' filepath='drivers/dma-buf/dma-heap.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_buffer_alloc'>
+ <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='78' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/dma-buf/dma-heap.c' line='78' column='1'/>
+ <parameter type-id='f0981eeb' name='fd_flags' filepath='drivers/dma-buf/dma-heap.c' line='79' column='1'/>
+ <parameter type-id='f0981eeb' name='heap_flags' filepath='drivers/dma-buf/dma-heap.c' line='80' column='1'/>
+ <return type-id='5e4f599b'/>
+ </function-decl>
+ <function-decl name='dma_heap_buffer_free' mangled-name='dma_heap_buffer_free' filepath='drivers/dma-buf/dma-heap.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_buffer_free'>
+ <parameter type-id='5e4f599b' name='dmabuf' filepath='drivers/dma-buf/dma-heap.c' line='72' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_heap_bufferfd_alloc' mangled-name='dma_heap_bufferfd_alloc' filepath='drivers/dma-buf/dma-heap.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_bufferfd_alloc'>
+ <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='99' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/dma-buf/dma-heap.c' line='99' column='1'/>
+ <parameter type-id='f0981eeb' name='fd_flags' filepath='drivers/dma-buf/dma-heap.c' line='100' column='1'/>
+ <parameter type-id='f0981eeb' name='heap_flags' filepath='drivers/dma-buf/dma-heap.c' line='101' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_heap_find' mangled-name='dma_heap_find' filepath='drivers/dma-buf/dma-heap.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_find'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/dma-buf/dma-heap.c' line='54' column='1'/>
+ <return type-id='ea1bdaf6'/>
+ </function-decl>
+ <function-decl name='dma_heap_get_dev' mangled-name='dma_heap_get_dev' filepath='drivers/dma-buf/dma-heap.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_get_dev'>
+ <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='277' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='dma_heap_get_drvdata' mangled-name='dma_heap_get_drvdata' filepath='drivers/dma-buf/dma-heap.c' line='237' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_get_drvdata'>
+ <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='237' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='dma_heap_get_name' mangled-name='dma_heap_get_name' filepath='drivers/dma-buf/dma-heap.c' line='290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_get_name'>
+ <parameter type-id='ea1bdaf6' name='heap' filepath='drivers/dma-buf/dma-heap.c' line='290' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='dma_heap_put' mangled-name='dma_heap_put' filepath='drivers/dma-buf/dma-heap.c' line='258' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_heap_put'>
+ <parameter type-id='ea1bdaf6' name='h' filepath='drivers/dma-buf/dma-heap.c' line='258' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_map_page_attrs' mangled-name='dma_map_page_attrs' filepath='kernel/dma/mapping.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_map_page_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='140' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='kernel/dma/mapping.c' line='140' column='1'/>
+ <parameter type-id='b59d7dce' name='offset' filepath='kernel/dma/mapping.c' line='141' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='141' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='141' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='142' column='1'/>
+ <return type-id='cf29c9b3'/>
+ </function-decl>
+ <function-decl name='dma_map_resource' mangled-name='dma_map_resource' filepath='kernel/dma/mapping.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_map_resource'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='217' column='1'/>
+ <parameter type-id='2522883d' name='phys_addr' filepath='kernel/dma/mapping.c' line='217' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='218' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='218' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='218' column='1'/>
+ <return type-id='cf29c9b3'/>
+ </function-decl>
+ <function-decl name='dma_map_sg_attrs' mangled-name='dma_map_sg_attrs' filepath='kernel/dma/mapping.c' line='180' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_map_sg_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='180' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='180' column='1'/>
+ <parameter type-id='95e97e5e' name='nents' filepath='kernel/dma/mapping.c' line='180' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='181' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='181' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_max_mapping_size' mangled-name='dma_max_mapping_size' filepath='kernel/dma/mapping.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_max_mapping_size'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='614' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='dma_mmap_attrs' mangled-name='dma_mmap_attrs' filepath='kernel/dma/mapping.c' line='388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_mmap_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='388' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='kernel/dma/mapping.c' line='388' column='1'/>
+ <parameter type-id='eaa32e2f' name='cpu_addr' filepath='kernel/dma/mapping.c' line='389' column='1'/>
+ <parameter type-id='cf29c9b3' name='dma_addr' filepath='kernel/dma/mapping.c' line='389' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='389' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='390' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_pool_alloc' mangled-name='dma_pool_alloc' filepath='mm/dmapool.c' line='314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_alloc'>
+ <parameter type-id='ab33c616' name='pool' filepath='mm/dmapool.c' line='314' column='1'/>
+ <parameter type-id='3eb7c31c' name='mem_flags' filepath='mm/dmapool.c' line='314' column='1'/>
+ <parameter type-id='e835b5d8' name='handle' filepath='mm/dmapool.c' line='315' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='dma_pool_create' mangled-name='dma_pool_create' filepath='mm/dmapool.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_create'>
+ <parameter type-id='80f4b756' name='name' filepath='mm/dmapool.c' line='130' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='mm/dmapool.c' line='130' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/dmapool.c' line='131' column='1'/>
+ <parameter type-id='b59d7dce' name='align' filepath='mm/dmapool.c' line='131' column='1'/>
+ <parameter type-id='b59d7dce' name='boundary' filepath='mm/dmapool.c' line='131' column='1'/>
+ <return type-id='ab33c616'/>
+ </function-decl>
+ <function-decl name='dma_pool_destroy' mangled-name='dma_pool_destroy' filepath='mm/dmapool.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_destroy'>
+ <parameter type-id='ab33c616' name='pool' filepath='mm/dmapool.c' line='267' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_pool_free' mangled-name='dma_pool_free' filepath='mm/dmapool.c' line='404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_pool_free'>
+ <parameter type-id='ab33c616' name='pool' filepath='mm/dmapool.c' line='404' column='1'/>
+ <parameter type-id='eaa32e2f' name='vaddr' filepath='mm/dmapool.c' line='404' column='1'/>
+ <parameter type-id='cf29c9b3' name='dma' filepath='mm/dmapool.c' line='404' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_release_channel' mangled-name='dma_release_channel' filepath='drivers/dma/dmaengine.c' line='903' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_release_channel'>
+ <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='903' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_request_chan' mangled-name='dma_request_chan' filepath='drivers/dma/dmaengine.c' line='813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_request_chan'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/dma/dmaengine.c' line='813' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/dma/dmaengine.c' line='813' column='1'/>
+ <return type-id='27f3f5d8'/>
+ </function-decl>
+ <function-decl name='dma_resv_add_excl_fence' mangled-name='dma_resv_add_excl_fence' filepath='drivers/dma-buf/dma-resv.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_add_excl_fence'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='308' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-resv.c' line='308' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_resv_add_shared_fence' mangled-name='dma_resv_add_shared_fence' filepath='drivers/dma-buf/dma-resv.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_add_shared_fence'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='263' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/dma-resv.c' line='263' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_resv_fini' mangled-name='dma_resv_fini' filepath='drivers/dma-buf/dma-resv.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_fini'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='156' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_resv_get_fences_rcu' mangled-name='dma_resv_get_fences_rcu' filepath='drivers/dma-buf/dma-resv.c' line='432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_get_fences_rcu'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='432' column='1'/>
+ <parameter type-id='be937eab' name='pfence_excl' filepath='drivers/dma-buf/dma-resv.c' line='433' column='1'/>
+ <parameter type-id='807869d3' name='pshared_count' filepath='drivers/dma-buf/dma-resv.c' line='434' column='1'/>
+ <parameter type-id='83302513' name='pshared' filepath='drivers/dma-buf/dma-resv.c' line='435' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_resv_init' mangled-name='dma_resv_init' filepath='drivers/dma-buf/dma-resv.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_init'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='142' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_resv_reserve_shared' mangled-name='dma_resv_reserve_shared' filepath='drivers/dma-buf/dma-resv.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_reserve_shared'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='187' column='1'/>
+ <parameter type-id='f0981eeb' name='num_fences' filepath='drivers/dma-buf/dma-resv.c' line='187' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_resv_test_signaled_rcu' mangled-name='dma_resv_test_signaled_rcu' filepath='drivers/dma-buf/dma-resv.c' line='634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_test_signaled_rcu'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='634' column='1'/>
+ <parameter type-id='b50a4934' name='test_all' filepath='drivers/dma-buf/dma-resv.c' line='634' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='dma_resv_wait_timeout_rcu' mangled-name='dma_resv_wait_timeout_rcu' filepath='drivers/dma-buf/dma-resv.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_resv_wait_timeout_rcu'>
+ <parameter type-id='340cea9c' name='obj' filepath='drivers/dma-buf/dma-resv.c' line='532' column='1'/>
+ <parameter type-id='b50a4934' name='wait_all' filepath='drivers/dma-buf/dma-resv.c' line='533' column='1'/>
+ <parameter type-id='b50a4934' name='intr' filepath='drivers/dma-buf/dma-resv.c' line='533' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='drivers/dma-buf/dma-resv.c' line='534' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='dma_run_dependencies' mangled-name='dma_run_dependencies' filepath='drivers/dma/dmaengine.c' line='1612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_run_dependencies'>
+ <parameter type-id='0e3f80d9' name='tx' filepath='drivers/dma/dmaengine.c' line='1612' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_set_coherent_mask' mangled-name='dma_set_coherent_mask' filepath='kernel/dma/mapping.c' line='597' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_set_coherent_mask'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='597' column='1'/>
+ <parameter type-id='91ce1af9' name='mask' filepath='kernel/dma/mapping.c' line='597' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_set_mask' mangled-name='dma_set_mask' filepath='kernel/dma/mapping.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_set_mask'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='579' column='1'/>
+ <parameter type-id='91ce1af9' name='mask' filepath='kernel/dma/mapping.c' line='579' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dma_sync_sg_for_cpu' mangled-name='dma_sync_sg_for_cpu' filepath='kernel/dma/mapping.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_sg_for_cpu'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='282' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='282' column='1'/>
+ <parameter type-id='95e97e5e' name='nelems' filepath='kernel/dma/mapping.c' line='283' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='283' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_sync_sg_for_device' mangled-name='dma_sync_sg_for_device' filepath='kernel/dma/mapping.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_sg_for_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='296' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='296' column='1'/>
+ <parameter type-id='95e97e5e' name='nelems' filepath='kernel/dma/mapping.c' line='297' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='297' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_sync_single_for_cpu' mangled-name='dma_sync_single_for_cpu' filepath='kernel/dma/mapping.c' line='254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_single_for_cpu'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='254' column='1'/>
+ <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='254' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='254' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='255' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_sync_single_for_device' mangled-name='dma_sync_single_for_device' filepath='kernel/dma/mapping.c' line='268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_single_for_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='268' column='1'/>
+ <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='268' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='269' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='269' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_sync_wait' mangled-name='dma_sync_wait' filepath='drivers/dma/dmaengine.c' line='519' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_sync_wait'>
+ <parameter type-id='27f3f5d8' name='chan' filepath='drivers/dma/dmaengine.c' line='519' column='1'/>
+ <parameter type-id='6478ea0a' name='cookie' filepath='drivers/dma/dmaengine.c' line='519' column='1'/>
+ <return type-id='02ac9d9d'/>
+ </function-decl>
+ <function-decl name='dma_unmap_page_attrs' mangled-name='dma_unmap_page_attrs' filepath='kernel/dma/mapping.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_unmap_page_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='162' column='1'/>
+ <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='162' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='162' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='163' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='163' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_unmap_resource' mangled-name='dma_unmap_resource' filepath='kernel/dma/mapping.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_unmap_resource'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='242' column='1'/>
+ <parameter type-id='cf29c9b3' name='addr' filepath='kernel/dma/mapping.c' line='242' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='242' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='243' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='243' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dma_unmap_sg_attrs' mangled-name='dma_unmap_sg_attrs' filepath='kernel/dma/mapping.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dma_unmap_sg_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='202' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='kernel/dma/mapping.c' line='202' column='1'/>
+ <parameter type-id='95e97e5e' name='nents' filepath='kernel/dma/mapping.c' line='203' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='kernel/dma/mapping.c' line='203' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='204' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dmabuf_page_pool_alloc' mangled-name='dmabuf_page_pool_alloc' filepath='drivers/dma-buf/heaps/page_pool.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_alloc'>
+ <parameter type-id='586a9713' name='pool' filepath='drivers/dma-buf/heaps/page_pool.c' line='80' column='1'/>
+ <return type-id='02f11ed4'/>
+ </function-decl>
+ <function-decl name='dmabuf_page_pool_create' mangled-name='dmabuf_page_pool_create' filepath='drivers/dma-buf/heaps/page_pool.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_create'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='drivers/dma-buf/heaps/page_pool.c' line='114' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='drivers/dma-buf/heaps/page_pool.c' line='114' column='1'/>
+ <return type-id='586a9713'/>
+ </function-decl>
+ <function-decl name='dmabuf_page_pool_destroy' mangled-name='dmabuf_page_pool_destroy' filepath='drivers/dma-buf/heaps/page_pool.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_destroy'>
+ <parameter type-id='586a9713' name='pool' filepath='drivers/dma-buf/heaps/page_pool.c' line='138' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dmabuf_page_pool_free' mangled-name='dmabuf_page_pool_free' filepath='drivers/dma-buf/heaps/page_pool.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmabuf_page_pool_free'>
+ <parameter type-id='586a9713' name='pool' filepath='drivers/dma-buf/heaps/page_pool.c' line='95' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='drivers/dma-buf/heaps/page_pool.c' line='95' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dmaengine_get_unmap_data' mangled-name='dmaengine_get_unmap_data' filepath='drivers/dma/dmaengine.c' line='1480' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmaengine_get_unmap_data'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/dma/dmaengine.c' line='1480' column='1'/>
+ <parameter type-id='95e97e5e' name='nr' filepath='drivers/dma/dmaengine.c' line='1480' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='drivers/dma/dmaengine.c' line='1480' column='1'/>
+ <return type-id='e220a5e2'/>
+ </function-decl>
+ <function-decl name='dmaengine_unmap_put' mangled-name='dmaengine_unmap_put' filepath='drivers/dma/dmaengine.c' line='1431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmaengine_unmap_put'>
+ <parameter type-id='e220a5e2' name='unmap' filepath='drivers/dma/dmaengine.c' line='1431' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dmaenginem_async_device_register' mangled-name='dmaenginem_async_device_register' filepath='drivers/dma/dmaengine.c' line='1347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmaenginem_async_device_register'>
+ <parameter type-id='c60ba652' name='device' filepath='drivers/dma/dmaengine.c' line='1347' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dmam_alloc_attrs' mangled-name='dmam_alloc_attrs' filepath='kernel/dma/mapping.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmam_alloc_attrs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='82' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='82' column='1'/>
+ <parameter type-id='e835b5d8' name='dma_handle' filepath='kernel/dma/mapping.c' line='82' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='kernel/dma/mapping.c' line='83' column='1'/>
+ <parameter type-id='7359adad' name='attrs' filepath='kernel/dma/mapping.c' line='83' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='dmam_free_coherent' mangled-name='dmam_free_coherent' filepath='kernel/dma/mapping.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmam_free_coherent'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/dma/mapping.c' line='58' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/dma/mapping.c' line='58' column='1'/>
+ <parameter type-id='eaa32e2f' name='vaddr' filepath='kernel/dma/mapping.c' line='58' column='1'/>
+ <parameter type-id='cf29c9b3' name='dma_handle' filepath='kernel/dma/mapping.c' line='59' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dmam_pool_create' mangled-name='dmam_pool_create' filepath='mm/dmapool.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dmam_pool_create'>
+ <parameter type-id='80f4b756' name='name' filepath='mm/dmapool.c' line='498' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='mm/dmapool.c' line='498' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/dmapool.c' line='499' column='1'/>
+ <parameter type-id='b59d7dce' name='align' filepath='mm/dmapool.c' line='499' column='1'/>
+ <parameter type-id='b59d7dce' name='allocation' filepath='mm/dmapool.c' line='499' column='1'/>
+ <return type-id='ab33c616'/>
+ </function-decl>
+ <function-decl name='do_SAK' mangled-name='do_SAK' filepath='drivers/tty/tty_io.c' line='3042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_SAK'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='3042' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='do_exit' mangled-name='do_exit' filepath='kernel/exit.c' line='715' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_exit'>
+ <parameter type-id='bd54fe1a' name='code' filepath='kernel/exit.c' line='715' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='do_trace_rcu_torture_read' mangled-name='do_trace_rcu_torture_read' filepath='kernel/rcu/update.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_trace_rcu_torture_read'>
+ <parameter type-id='80f4b756' name='rcutorturename' filepath='kernel/rcu/update.c' line='467' column='1'/>
+ <parameter type-id='69c138b1' name='rhp' filepath='kernel/rcu/update.c' line='467' column='1'/>
+ <parameter type-id='7359adad' name='secs' filepath='kernel/rcu/update.c' line='468' column='1'/>
+ <parameter type-id='7359adad' name='c_old' filepath='kernel/rcu/update.c' line='469' column='1'/>
+ <parameter type-id='7359adad' name='c' filepath='kernel/rcu/update.c' line='469' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='do_wait_intr' mangled-name='do_wait_intr' filepath='kernel/sched/wait.c' line='327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_wait_intr'>
+ <parameter type-id='03d48e96' name='wq' filepath='kernel/sched/wait.c' line='327' column='1'/>
+ <parameter type-id='ba9aa326' name='wait' filepath='kernel/sched/wait.c' line='327' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='do_wait_intr_irq' mangled-name='do_wait_intr_irq' filepath='kernel/sched/wait.c' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='do_wait_intr_irq'>
+ <parameter type-id='03d48e96' name='wq' filepath='kernel/sched/wait.c' line='344' column='1'/>
+ <parameter type-id='ba9aa326' name='wait' filepath='kernel/sched/wait.c' line='344' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='down' mangled-name='down' filepath='kernel/locking/semaphore.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down'>
+ <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='53' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='down_interruptible' mangled-name='down_interruptible' filepath='kernel/locking/semaphore.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_interruptible'>
+ <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='75' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='down_killable' mangled-name='down_killable' filepath='kernel/locking/semaphore.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_killable'>
+ <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='101' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='down_read' mangled-name='down_read' filepath='kernel/locking/rwsem.c' line='1511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_read'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1511' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='down_read_killable' mangled-name='down_read_killable' filepath='kernel/locking/rwsem.c' line='1534' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_read_killable'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1534' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='down_read_trylock' mangled-name='down_read_trylock' filepath='kernel/locking/rwsem.c' line='1551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_read_trylock'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1551' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='down_timeout' mangled-name='down_timeout' filepath='kernel/locking/semaphore.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_timeout'>
+ <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='155' column='1'/>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/locking/semaphore.c' line='155' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='down_trylock' mangled-name='down_trylock' filepath='kernel/locking/semaphore.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_trylock'>
+ <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='130' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='down_write' mangled-name='down_write' filepath='kernel/locking/rwsem.c' line='1564' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_write'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1564' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='down_write_trylock' mangled-name='down_write_trylock' filepath='kernel/locking/rwsem.c' line='1593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='down_write_trylock'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1593' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='downgrade_write' mangled-name='downgrade_write' filepath='kernel/locking/rwsem.c' line='1628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='downgrade_write'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1628' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dput' mangled-name='dput' filepath='fs/dcache.c' line='859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dput'>
+ <parameter type-id='27675065' name='dentry' filepath='fs/dcache.c' line='859' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dql_completed' mangled-name='dql_completed' filepath='lib/dynamic_queue_limits.c' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dql_completed'>
+ <parameter type-id='6fe0e73c' name='dql' filepath='lib/dynamic_queue_limits.c' line='18' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='lib/dynamic_queue_limits.c' line='18' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dql_reset' mangled-name='dql_reset' filepath='lib/dynamic_queue_limits.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dql_reset'>
+ <parameter type-id='6fe0e73c' name='dql' filepath='lib/dynamic_queue_limits.c' line='116' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drain_workqueue' mangled-name='drain_workqueue' filepath='kernel/workqueue.c' line='2950' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drain_workqueue'>
+ <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='2950' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='driver_attach' mangled-name='driver_attach' filepath='drivers/base/dd.c' line='1115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_attach'>
+ <parameter type-id='00c7b870' name='drv' filepath='drivers/base/dd.c' line='1115' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='driver_create_file' mangled-name='driver_create_file' filepath='drivers/base/driver.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_create_file'>
+ <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='101' column='1'/>
+ <parameter type-id='1a5996d5' name='attr' filepath='drivers/base/driver.c' line='102' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='driver_find_device' mangled-name='driver_find_device' filepath='drivers/base/driver.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_find_device'>
+ <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='76' column='1'/>
+ <parameter type-id='fa0b179b' name='start' filepath='drivers/base/driver.c' line='77' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/driver.c' line='77' column='1'/>
+ <parameter type-id='92d15ae9' name='match' filepath='drivers/base/driver.c' line='78' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='driver_register' mangled-name='driver_register' filepath='drivers/base/driver.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_register'>
+ <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='147' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='driver_remove_file' mangled-name='driver_remove_file' filepath='drivers/base/driver.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_remove_file'>
+ <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='119' column='1'/>
+ <parameter type-id='1a5996d5' name='attr' filepath='drivers/base/driver.c' line='120' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='driver_unregister' mangled-name='driver_unregister' filepath='drivers/base/driver.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='driver_unregister'>
+ <parameter type-id='00c7b870' name='drv' filepath='drivers/base/driver.c' line='191' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_add_edid_modes' mangled-name='drm_add_edid_modes' filepath='drivers/gpu/drm/drm_edid.c' line='5327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_add_edid_modes'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5327' column='1'/>
+ <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='5327' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_add_modes_noedid' mangled-name='drm_add_modes_noedid' filepath='drivers/gpu/drm/drm_edid.c' line='5406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_add_modes_noedid'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5406' column='1'/>
+ <parameter type-id='95e97e5e' name='hdisplay' filepath='drivers/gpu/drm/drm_edid.c' line='5407' column='1'/>
+ <parameter type-id='95e97e5e' name='vdisplay' filepath='drivers/gpu/drm/drm_edid.c' line='5407' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_add_affected_connectors' mangled-name='drm_atomic_add_affected_connectors' filepath='drivers/gpu/drm/drm_atomic.c' line='1156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_add_affected_connectors'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1156' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic.c' line='1157' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_add_affected_planes' mangled-name='drm_atomic_add_affected_planes' filepath='drivers/gpu/drm/drm_atomic.c' line='1219' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_add_affected_planes'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1219' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic.c' line='1220' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_bridge_chain_enable' mangled-name='drm_atomic_bridge_chain_enable' filepath='drivers/gpu/drm/drm_bridge.c' line='697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_bridge_chain_enable'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='697' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_bridge.c' line='698' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_bridge_chain_pre_enable' mangled-name='drm_atomic_bridge_chain_pre_enable' filepath='drivers/gpu/drm/drm_bridge.c' line='654' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_bridge_chain_pre_enable'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='654' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_bridge.c' line='655' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_commit' mangled-name='drm_atomic_commit' filepath='drivers/gpu/drm/drm_atomic.c' line='1334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_commit'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1334' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_get_connector_state' mangled-name='drm_atomic_get_connector_state' filepath='drivers/gpu/drm/drm_atomic.c' line='944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_connector_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='944' column='1'/>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic.c' line='945' column='1'/>
+ <return type-id='249ef586'/>
+ </function-decl>
+ <function-decl name='drm_atomic_get_crtc_state' mangled-name='drm_atomic_get_crtc_state' filepath='drivers/gpu/drm/drm_atomic.c' line='291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_crtc_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='291' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic.c' line='292' column='1'/>
+ <return type-id='35078cb9'/>
+ </function-decl>
+ <function-decl name='drm_atomic_get_new_bridge_state' mangled-name='drm_atomic_get_new_bridge_state' filepath='drivers/gpu/drm/drm_atomic.c' line='1082' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_new_bridge_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1082' column='1'/>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic.c' line='1083' column='1'/>
+ <return type-id='67bbaeda'/>
+ </function-decl>
+ <function-decl name='drm_atomic_get_new_connector_for_encoder' mangled-name='drm_atomic_get_new_connector_for_encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_new_connector_for_encoder'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='912' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='913' column='1'/>
+ <return type-id='4db02c58'/>
+ </function-decl>
+ <function-decl name='drm_atomic_get_old_connector_for_encoder' mangled-name='drm_atomic_get_old_connector_for_encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_old_connector_for_encoder'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='878' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_atomic.c' line='879' column='1'/>
+ <return type-id='4db02c58'/>
+ </function-decl>
+ <function-decl name='drm_atomic_get_plane_state' mangled-name='drm_atomic_get_plane_state' filepath='drivers/gpu/drm/drm_atomic.c' line='464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_plane_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='464' column='1'/>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic.c' line='465' column='1'/>
+ <return type-id='d0835005'/>
+ </function-decl>
+ <function-decl name='drm_atomic_get_private_obj_state' mangled-name='drm_atomic_get_private_obj_state' filepath='drivers/gpu/drm/drm_atomic.c' line='770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_get_private_obj_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='770' column='1'/>
+ <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic.c' line='771' column='1'/>
+ <return type-id='4ea020ae'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_bridge_destroy_state' mangled-name='drm_atomic_helper_bridge_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_destroy_state'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='613' column='1'/>
+ <parameter type-id='67bbaeda' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='614' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_bridge_duplicate_state' mangled-name='drm_atomic_helper_bridge_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_duplicate_state'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='587' column='1'/>
+ <return type-id='67bbaeda'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_bridge_propagate_bus_fmt' mangled-name='drm_atomic_helper_bridge_propagate_bus_fmt' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_propagate_bus_fmt'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3578' column='1'/>
+ <parameter type-id='67bbaeda' name='bridge_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3579' column='1'/>
+ <parameter type-id='35078cb9' name='crtc_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3580' column='1'/>
+ <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3581' column='1'/>
+ <parameter type-id='19c2251e' name='output_fmt' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3582' column='1'/>
+ <parameter type-id='807869d3' name='num_input_fmts' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3583' column='1'/>
+ <return type-id='f9409001'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_bridge_reset' mangled-name='drm_atomic_helper_bridge_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='648' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_bridge_reset'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='648' column='1'/>
+ <return type-id='67bbaeda'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_check' mangled-name='drm_atomic_helper_check' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='959' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='960' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_check_modeset' mangled-name='drm_atomic_helper_check_modeset' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check_modeset'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='605' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='606' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_check_plane_state' mangled-name='drm_atomic_helper_check_plane_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='790' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check_plane_state'>
+ <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='790' column='1'/>
+ <parameter type-id='c9982f26' name='crtc_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='791' column='1'/>
+ <parameter type-id='95e97e5e' name='min_scale' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='792' column='1'/>
+ <parameter type-id='95e97e5e' name='max_scale' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='793' column='1'/>
+ <parameter type-id='b50a4934' name='can_position' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='794' column='1'/>
+ <parameter type-id='b50a4934' name='can_update_disabled' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='795' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_check_planes' mangled-name='drm_atomic_helper_check_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='882' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_check_planes'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='882' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='883' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_cleanup_planes' mangled-name='drm_atomic_helper_cleanup_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_cleanup_planes'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2693' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2694' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit' mangled-name='drm_atomic_helper_commit' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1812' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1812' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1813' column='1'/>
+ <parameter type-id='b50a4934' name='nonblock' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1814' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_cleanup_done' mangled-name='drm_atomic_helper_commit_cleanup_done' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_cleanup_done'>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2352' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_duplicated_state' mangled-name='drm_atomic_helper_commit_duplicated_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_duplicated_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3289' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3290' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_hw_done' mangled-name='drm_atomic_helper_commit_hw_done' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_hw_done'>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2307' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_modeset_disables' mangled-name='drm_atomic_helper_commit_modeset_disables' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_modeset_disables'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1288' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1289' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_modeset_enables' mangled-name='drm_atomic_helper_commit_modeset_enables' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_modeset_enables'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1335' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1336' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_planes' mangled-name='drm_atomic_helper_commit_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_planes'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2487' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2488' column='1'/>
+ <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2489' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_tail' mangled-name='drm_atomic_helper_commit_tail' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_tail'>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1574' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_commit_tail_rpm' mangled-name='drm_atomic_helper_commit_tail_rpm' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_commit_tail_rpm'>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1604' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_connector_destroy_state' mangled-name='drm_atomic_helper_connector_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_connector_destroy_state'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='537' column='1'/>
+ <parameter type-id='249ef586' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='538' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_connector_duplicate_state' mangled-name='drm_atomic_helper_connector_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_connector_duplicate_state'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='490' column='1'/>
+ <return type-id='249ef586'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_connector_reset' mangled-name='drm_atomic_helper_connector_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_connector_reset'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='426' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_crtc_destroy_state' mangled-name='drm_atomic_helper_crtc_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_crtc_destroy_state'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='227' column='1'/>
+ <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='228' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_crtc_duplicate_state' mangled-name='drm_atomic_helper_crtc_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_crtc_duplicate_state'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='168' column='1'/>
+ <return type-id='35078cb9'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_crtc_reset' mangled-name='drm_atomic_helper_crtc_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_crtc_reset'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='111' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_damage_merged' mangled-name='drm_atomic_helper_damage_merged' filepath='drivers/gpu/drm/drm_damage_helper.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_damage_merged'>
+ <parameter type-id='ed31fbf8' name='old_state' filepath='drivers/gpu/drm/drm_damage_helper.c' line='359' column='1'/>
+ <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_damage_helper.c' line='360' column='1'/>
+ <parameter type-id='c91d6c11' name='rect' filepath='drivers/gpu/drm/drm_damage_helper.c' line='361' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_dirtyfb' mangled-name='drm_atomic_helper_dirtyfb' filepath='drivers/gpu/drm/drm_damage_helper.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_dirtyfb'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_damage_helper.c' line='160' column='1'/>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_damage_helper.c' line='161' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='drivers/gpu/drm/drm_damage_helper.c' line='161' column='1'/>
+ <parameter type-id='f0981eeb' name='color' filepath='drivers/gpu/drm/drm_damage_helper.c' line='162' column='1'/>
+ <parameter type-id='254852de' name='clips' filepath='drivers/gpu/drm/drm_damage_helper.c' line='162' column='1'/>
+ <parameter type-id='f0981eeb' name='num_clips' filepath='drivers/gpu/drm/drm_damage_helper.c' line='163' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_disable_all' mangled-name='drm_atomic_helper_disable_all' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3043' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_disable_all'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3043' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3044' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_disable_plane' mangled-name='drm_atomic_helper_disable_plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_disable_plane'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2944' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2945' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_disable_planes_on_crtc' mangled-name='drm_atomic_helper_disable_planes_on_crtc' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_disable_planes_on_crtc'>
+ <parameter type-id='35078cb9' name='old_crtc_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2653' column='1'/>
+ <parameter type-id='b50a4934' name='atomic' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2654' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_duplicate_state' mangled-name='drm_atomic_helper_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_duplicate_state'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3155' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3156' column='1'/>
+ <return type-id='e3dd029e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_fake_vblank' mangled-name='drm_atomic_helper_fake_vblank' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_fake_vblank'>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2269' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_legacy_gamma_set' mangled-name='drm_atomic_helper_legacy_gamma_set' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_legacy_gamma_set'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3502' column='1'/>
+ <parameter type-id='26d4d46f' name='red' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3503' column='1'/>
+ <parameter type-id='26d4d46f' name='green' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3503' column='1'/>
+ <parameter type-id='26d4d46f' name='blue' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3503' column='1'/>
+ <parameter type-id='8f92235e' name='size' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3504' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3505' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_page_flip' mangled-name='drm_atomic_helper_page_flip' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_page_flip'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3409' column='1'/>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3410' column='1'/>
+ <parameter type-id='6301fad2' name='event' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3411' column='1'/>
+ <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3412' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3413' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_plane_destroy_state' mangled-name='drm_atomic_helper_plane_destroy_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='371' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_plane_destroy_state'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='371' column='1'/>
+ <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='372' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_plane_duplicate_state' mangled-name='drm_atomic_helper_plane_duplicate_state' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_plane_duplicate_state'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='325' column='1'/>
+ <return type-id='d0835005'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_plane_reset' mangled-name='drm_atomic_helper_plane_reset' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_plane_reset'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_state_helper.c' line='283' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_prepare_planes' mangled-name='drm_atomic_helper_prepare_planes' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_prepare_planes'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2392' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2393' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_resume' mangled-name='drm_atomic_helper_resume' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_resume'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3335' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3336' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_set_config' mangled-name='drm_atomic_helper_set_config' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2992' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_set_config'>
+ <parameter type-id='8106240b' name='set' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2992' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2993' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_setup_commit' mangled-name='drm_atomic_helper_setup_commit' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2070' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_setup_commit'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2070' column='1'/>
+ <parameter type-id='b50a4934' name='nonblock' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2071' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_shutdown' mangled-name='drm_atomic_helper_shutdown' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_shutdown'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3115' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_suspend' mangled-name='drm_atomic_helper_suspend' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_suspend'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='3243' column='1'/>
+ <return type-id='e3dd029e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_swap_state' mangled-name='drm_atomic_helper_swap_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2756' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_swap_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2756' column='1'/>
+ <parameter type-id='b50a4934' name='stall' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2757' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_update_legacy_modeset_state' mangled-name='drm_atomic_helper_update_legacy_modeset_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_update_legacy_modeset_state'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1130' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1131' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_update_plane' mangled-name='drm_atomic_helper_update_plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2887' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_update_plane'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2887' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2888' column='1'/>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2889' column='1'/>
+ <parameter type-id='95e97e5e' name='crtc_x' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2890' column='1'/>
+ <parameter type-id='95e97e5e' name='crtc_y' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2890' column='1'/>
+ <parameter type-id='f0981eeb' name='crtc_w' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2891' column='1'/>
+ <parameter type-id='f0981eeb' name='crtc_h' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2891' column='1'/>
+ <parameter type-id='8f92235e' name='src_x' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2892' column='1'/>
+ <parameter type-id='8f92235e' name='src_y' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2892' column='1'/>
+ <parameter type-id='8f92235e' name='src_w' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2893' column='1'/>
+ <parameter type-id='8f92235e' name='src_h' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2893' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2894' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_wait_for_dependencies' mangled-name='drm_atomic_helper_wait_for_dependencies' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_dependencies'>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='2174' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_wait_for_fences' mangled-name='drm_atomic_helper_wait_for_fences' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1429' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_fences'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1429' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1430' column='1'/>
+ <parameter type-id='b50a4934' name='pre_swap' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1431' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_wait_for_flip_done' mangled-name='drm_atomic_helper_wait_for_flip_done' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_flip_done'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1535' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1536' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_helper_wait_for_vblanks' mangled-name='drm_atomic_helper_wait_for_vblanks' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1476' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_helper_wait_for_vblanks'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1476' column='1'/>
+ <parameter type-id='e3dd029e' name='old_state' filepath='drivers/gpu/drm/drm_atomic_helper.c' line='1477' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_nonblocking_commit' mangled-name='drm_atomic_nonblocking_commit' filepath='drivers/gpu/drm/drm_atomic.c' line='1363' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_nonblocking_commit'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='1363' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_normalize_zpos' mangled-name='drm_atomic_normalize_zpos' filepath='drivers/gpu/drm/drm_blend.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_normalize_zpos'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_blend.c' line='504' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_blend.c' line='505' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_private_obj_fini' mangled-name='drm_atomic_private_obj_fini' filepath='drivers/gpu/drm/drm_atomic.c' line='748' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_private_obj_fini'>
+ <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic.c' line='748' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_private_obj_init' mangled-name='drm_atomic_private_obj_init' filepath='drivers/gpu/drm/drm_atomic.c' line='726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_private_obj_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic.c' line='726' column='1'/>
+ <parameter type-id='11c98e9a' name='obj' filepath='drivers/gpu/drm/drm_atomic.c' line='727' column='1'/>
+ <parameter type-id='4ea020ae' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='728' column='1'/>
+ <parameter type-id='515fa1af' name='funcs' filepath='drivers/gpu/drm/drm_atomic.c' line='729' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_set_crtc_for_connector' mangled-name='drm_atomic_set_crtc_for_connector' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_crtc_for_connector'>
+ <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='296' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='297' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_set_crtc_for_plane' mangled-name='drm_atomic_set_crtc_for_plane' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_crtc_for_plane'>
+ <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='177' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='178' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_set_fb_for_plane' mangled-name='drm_atomic_set_fb_for_plane' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_fb_for_plane'>
+ <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='227' column='1'/>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='228' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_set_fence_for_plane' mangled-name='drm_atomic_set_fence_for_plane' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_fence_for_plane'>
+ <parameter type-id='d0835005' name='plane_state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='269' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='270' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_set_mode_for_crtc' mangled-name='drm_atomic_set_mode_for_crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_mode_for_crtc'>
+ <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='64' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='65' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_set_mode_prop_for_crtc' mangled-name='drm_atomic_set_mode_prop_for_crtc' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_set_mode_prop_for_crtc'>
+ <parameter type-id='35078cb9' name='state' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='114' column='1'/>
+ <parameter type-id='c4126d52' name='blob' filepath='drivers/gpu/drm/drm_atomic_uapi.c' line='115' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_state_alloc' mangled-name='drm_atomic_state_alloc' filepath='drivers/gpu/drm/drm_atomic.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_state_alloc'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic.c' line='119' column='1'/>
+ <return type-id='e3dd029e'/>
+ </function-decl>
+ <function-decl name='drm_atomic_state_clear' mangled-name='drm_atomic_state_clear' filepath='drivers/gpu/drm/drm_atomic.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_state_clear'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='238' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_state_default_clear' mangled-name='drm_atomic_state_default_clear' filepath='drivers/gpu/drm/drm_atomic.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_state_default_clear'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='148' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_state_default_release' mangled-name='drm_atomic_state_default_release' filepath='drivers/gpu/drm/drm_atomic.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_state_default_release'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='64' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_atomic_state_init' mangled-name='drm_atomic_state_init' filepath='drivers/gpu/drm/drm_atomic.c' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_atomic_state_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic.c' line='83' column='1'/>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_atomic.c' line='83' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_bridge_add' mangled-name='drm_bridge_add' filepath='drivers/gpu/drm/drm_bridge.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_add'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='102' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_attach' mangled-name='drm_bridge_attach' filepath='drivers/gpu/drm/drm_bridge.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_attach'>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_bridge.c' line='175' column='1'/>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='175' column='1'/>
+ <parameter type-id='8582e5ec' name='previous' filepath='drivers/gpu/drm/drm_bridge.c' line='176' column='1'/>
+ <parameter type-id='6a662de1' name='flags' filepath='drivers/gpu/drm/drm_bridge.c' line='177' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_bridge_chain_disable' mangled-name='drm_bridge_chain_disable' filepath='drivers/gpu/drm/drm_bridge.c' line='428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_chain_disable'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='428' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_chain_enable' mangled-name='drm_bridge_chain_enable' filepath='drivers/gpu/drm/drm_bridge.c' line='542' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_chain_enable'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='542' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_chain_mode_set' mangled-name='drm_bridge_chain_mode_set' filepath='drivers/gpu/drm/drm_bridge.c' line='485' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_chain_mode_set'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='485' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_bridge.c' line='486' column='1'/>
+ <parameter type-id='745b39e8' name='adjusted_mode' filepath='drivers/gpu/drm/drm_bridge.c' line='487' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_chain_post_disable' mangled-name='drm_bridge_chain_post_disable' filepath='drivers/gpu/drm/drm_bridge.c' line='458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_chain_post_disable'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='458' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_chain_pre_enable' mangled-name='drm_bridge_chain_pre_enable' filepath='drivers/gpu/drm/drm_bridge.c' line='513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_chain_pre_enable'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='513' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_connector_disable_hpd' mangled-name='drm_bridge_connector_disable_hpd' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='158' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_connector_disable_hpd'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='158' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_connector_enable_hpd' mangled-name='drm_bridge_connector_enable_hpd' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_connector_enable_hpd'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='138' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_connector_init' mangled-name='drm_bridge_connector_init' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_connector_init'>
+ <parameter type-id='8898134d' name='drm' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='313' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_bridge_connector.c' line='314' column='1'/>
+ <return type-id='4db02c58'/>
+ </function-decl>
+ <function-decl name='drm_bridge_hpd_notify' mangled-name='drm_bridge_hpd_notify' filepath='drivers/gpu/drm/drm_bridge.c' line='1189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_hpd_notify'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='1189' column='1'/>
+ <parameter type-id='f7b0e1b4' name='status' filepath='drivers/gpu/drm/drm_bridge.c' line='1190' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bridge_remove' mangled-name='drm_bridge_remove' filepath='drivers/gpu/drm/drm_bridge.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bridge_remove'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='117' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_bus_flags_from_videomode' mangled-name='drm_bus_flags_from_videomode' filepath='drivers/gpu/drm/drm_modes.c' line='673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_bus_flags_from_videomode'>
+ <parameter type-id='8640fd9e' name='vm' filepath='drivers/gpu/drm/drm_modes.c' line='673' column='1'/>
+ <parameter type-id='f9409001' name='bus_flags' filepath='drivers/gpu/drm/drm_modes.c' line='673' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_calc_timestamping_constants' mangled-name='drm_calc_timestamping_constants' filepath='drivers/gpu/drm/drm_vblank.c' line='602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_calc_timestamping_constants'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='602' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_vblank.c' line='603' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_client_init' mangled-name='drm_client_init' filepath='drivers/gpu/drm/drm_client.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_client_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_client.c' line='78' column='1'/>
+ <parameter type-id='cc1804ea' name='client' filepath='drivers/gpu/drm/drm_client.c' line='78' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_client.c' line='79' column='1'/>
+ <parameter type-id='67ede465' name='funcs' filepath='drivers/gpu/drm/drm_client.c' line='79' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_client_modeset_commit_locked' mangled-name='drm_client_modeset_commit_locked' filepath='drivers/gpu/drm/drm_client_modeset.c' line='1138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_client_modeset_commit_locked'>
+ <parameter type-id='cc1804ea' name='client' filepath='drivers/gpu/drm/drm_client_modeset.c' line='1138' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_client_register' mangled-name='drm_client_register' filepath='drivers/gpu/drm/drm_client.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_client_register'>
+ <parameter type-id='cc1804ea' name='client' filepath='drivers/gpu/drm/drm_client.c' line='125' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_compat_ioctl' mangled-name='drm_compat_ioctl' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_compat_ioctl'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1'/>
+ <parameter type-id='7359adad' name='arg' filepath='drivers/gpu/drm/drm_ioc32.c' line='981' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='drm_connector_attach_content_protection_property' mangled-name='drm_connector_attach_content_protection_property' filepath='drivers/gpu/drm/drm_hdcp.c' line='357' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_content_protection_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_hdcp.c' line='358' column='1'/>
+ <parameter type-id='b50a4934' name='hdcp_content_type' filepath='drivers/gpu/drm/drm_hdcp.c' line='358' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_attach_dp_subconnector_property' mangled-name='drm_connector_attach_dp_subconnector_property' filepath='drivers/gpu/drm/drm_connector.c' line='1335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_dp_subconnector_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='1335' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_connector_attach_edid_property' mangled-name='drm_connector_attach_edid_property' filepath='drivers/gpu/drm/drm_connector.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_edid_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='367' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_connector_attach_encoder' mangled-name='drm_connector_attach_encoder' filepath='drivers/gpu/drm/drm_connector.c' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_encoder'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='389' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_connector.c' line='390' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_attach_max_bpc_property' mangled-name='drm_connector_attach_max_bpc_property' filepath='drivers/gpu/drm/drm_connector.c' line='2123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_attach_max_bpc_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='2123' column='1'/>
+ <parameter type-id='95e97e5e' name='min' filepath='drivers/gpu/drm/drm_connector.c' line='2124' column='1'/>
+ <parameter type-id='95e97e5e' name='max' filepath='drivers/gpu/drm/drm_connector.c' line='2124' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_cleanup' mangled-name='drm_connector_cleanup' filepath='drivers/gpu/drm/drm_connector.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_cleanup'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='441' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_connector_has_possible_encoder' mangled-name='drm_connector_has_possible_encoder' filepath='drivers/gpu/drm/drm_connector.c' line='421' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_has_possible_encoder'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='421' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_connector.c' line='422' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_connector_init' mangled-name='drm_connector_init' filepath='drivers/gpu/drm/drm_connector.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='217' column='1'/>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='218' column='1'/>
+ <parameter type-id='3fb29739' name='funcs' filepath='drivers/gpu/drm/drm_connector.c' line='219' column='1'/>
+ <parameter type-id='95e97e5e' name='connector_type' filepath='drivers/gpu/drm/drm_connector.c' line='220' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_init_with_ddc' mangled-name='drm_connector_init_with_ddc' filepath='drivers/gpu/drm/drm_connector.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_init_with_ddc'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='340' column='1'/>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='341' column='1'/>
+ <parameter type-id='3fb29739' name='funcs' filepath='drivers/gpu/drm/drm_connector.c' line='342' column='1'/>
+ <parameter type-id='95e97e5e' name='connector_type' filepath='drivers/gpu/drm/drm_connector.c' line='343' column='1'/>
+ <parameter type-id='b9af02c3' name='ddc' filepath='drivers/gpu/drm/drm_connector.c' line='344' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_list_iter_begin' mangled-name='drm_connector_list_iter_begin' filepath='drivers/gpu/drm/drm_connector.c' line='657' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_iter_begin'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='657' column='1'/>
+ <parameter type-id='40a902ec' name='iter' filepath='drivers/gpu/drm/drm_connector.c' line='658' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_connector_list_iter_end' mangled-name='drm_connector_list_iter_end' filepath='drivers/gpu/drm/drm_connector.c' line='732' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_iter_end'>
+ <parameter type-id='40a902ec' name='iter' filepath='drivers/gpu/drm/drm_connector.c' line='732' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_connector_list_iter_next' mangled-name='drm_connector_list_iter_next' filepath='drivers/gpu/drm/drm_connector.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_iter_next'>
+ <parameter type-id='40a902ec' name='iter' filepath='drivers/gpu/drm/drm_connector.c' line='693' column='1'/>
+ <return type-id='4db02c58'/>
+ </function-decl>
+ <function-decl name='drm_connector_list_update' mangled-name='drm_connector_list_update' filepath='drivers/gpu/drm/drm_modes.c' line='1338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_list_update'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_modes.c' line='1338' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_connector_register' mangled-name='drm_connector_register' filepath='drivers/gpu/drm/drm_connector.c' line='502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_register'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='502' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_set_panel_orientation' mangled-name='drm_connector_set_panel_orientation' filepath='drivers/gpu/drm/drm_connector.c' line='2182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_set_panel_orientation'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='2183' column='1'/>
+ <parameter type-id='59f3d325' name='panel_orientation' filepath='drivers/gpu/drm/drm_connector.c' line='2184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_set_path_property' mangled-name='drm_connector_set_path_property' filepath='drivers/gpu/drm/drm_connector.c' line='1947' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_set_path_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='1947' column='1'/>
+ <parameter type-id='80f4b756' name='path' filepath='drivers/gpu/drm/drm_connector.c' line='1948' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_set_tile_property' mangled-name='drm_connector_set_tile_property' filepath='drivers/gpu/drm/drm_connector.c' line='1976' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_set_tile_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='1976' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_connector_unregister' mangled-name='drm_connector_unregister' filepath='drivers/gpu/drm/drm_connector.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_unregister'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='552' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_connector_update_edid_property' mangled-name='drm_connector_update_edid_property' filepath='drivers/gpu/drm/drm_connector.c' line='2022' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_connector_update_edid_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='2022' column='1'/>
+ <parameter type-id='776adf76' name='edid' filepath='drivers/gpu/drm/drm_connector.c' line='2023' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_crtc_arm_vblank_event' mangled-name='drm_crtc_arm_vblank_event' filepath='drivers/gpu/drm/drm_vblank.c' line='1051' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_arm_vblank_event'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1051' column='1'/>
+ <parameter type-id='6301fad2' name='e' filepath='drivers/gpu/drm/drm_vblank.c' line='1052' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_cleanup' mangled-name='drm_crtc_cleanup' filepath='drivers/gpu/drm/drm_crtc.c' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_cleanup'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_crtc.c' line='343' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_enable_color_mgmt' mangled-name='drm_crtc_enable_color_mgmt' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_enable_color_mgmt'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='163' column='1'/>
+ <parameter type-id='6e160b14' name='degamma_lut_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='164' column='1'/>
+ <parameter type-id='b50a4934' name='has_ctm' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='165' column='1'/>
+ <parameter type-id='6e160b14' name='gamma_lut_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='166' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_from_index' mangled-name='drm_crtc_from_index' filepath='drivers/gpu/drm/drm_crtc.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_from_index'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_crtc.c' line='84' column='1'/>
+ <parameter type-id='95e97e5e' name='idx' filepath='drivers/gpu/drm/drm_crtc.c' line='84' column='1'/>
+ <return type-id='b64ad7cb'/>
+ </function-decl>
+ <function-decl name='drm_crtc_handle_vblank' mangled-name='drm_crtc_handle_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='1993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_handle_vblank'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1993' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_crtc_helper_set_config' mangled-name='drm_crtc_helper_set_config' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_helper_set_config'>
+ <parameter type-id='8106240b' name='set' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='516' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='517' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_crtc_helper_set_mode' mangled-name='drm_crtc_helper_set_mode' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_helper_set_mode'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='271' column='1'/>
+ <parameter type-id='11e02f83' name='mode' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='272' column='1'/>
+ <parameter type-id='95e97e5e' name='x' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='273' column='1'/>
+ <parameter type-id='95e97e5e' name='y' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='273' column='1'/>
+ <parameter type-id='7b332e1c' name='old_fb' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='274' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_crtc_init' mangled-name='drm_crtc_init' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='169' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='169' column='1'/>
+ <parameter type-id='7236c5c8' name='funcs' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='170' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_crtc_init_with_planes' mangled-name='drm_crtc_init_with_planes' filepath='drivers/gpu/drm/drm_crtc.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_init_with_planes'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_crtc.c' line='253' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_crtc.c' line='253' column='1'/>
+ <parameter type-id='a6711537' name='primary' filepath='drivers/gpu/drm/drm_crtc.c' line='254' column='1'/>
+ <parameter type-id='a6711537' name='cursor' filepath='drivers/gpu/drm/drm_crtc.c' line='255' column='1'/>
+ <parameter type-id='7236c5c8' name='funcs' filepath='drivers/gpu/drm/drm_crtc.c' line='256' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_crtc.c' line='257' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_crtc_send_vblank_event' mangled-name='drm_crtc_send_vblank_event' filepath='drivers/gpu/drm/drm_vblank.c' line='1076' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_send_vblank_event'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1076' column='1'/>
+ <parameter type-id='6301fad2' name='e' filepath='drivers/gpu/drm/drm_vblank.c' line='1077' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_set_max_vblank_count' mangled-name='drm_crtc_set_max_vblank_count' filepath='drivers/gpu/drm/drm_vblank.c' line='1409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_set_max_vblank_count'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1409' column='1'/>
+ <parameter type-id='19c2251e' name='max_vblank_count' filepath='drivers/gpu/drm/drm_vblank.c' line='1410' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_count' mangled-name='drm_crtc_vblank_count' filepath='drivers/gpu/drm/drm_vblank.c' line='909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_count'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='909' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_count_and_time' mangled-name='drm_crtc_vblank_count_and_time' filepath='drivers/gpu/drm/drm_vblank.c' line='969' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_count_and_time'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='969' column='1'/>
+ <parameter type-id='44372936' name='vblanktime' filepath='drivers/gpu/drm/drm_vblank.c' line='970' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_get' mangled-name='drm_crtc_vblank_get' filepath='drivers/gpu/drm/drm_vblank.c' line='1188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_get'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1188' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_helper_get_vblank_timestamp' mangled-name='drm_crtc_vblank_helper_get_vblank_timestamp' filepath='drivers/gpu/drm/drm_vblank.c' line='829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_helper_get_vblank_timestamp'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='829' column='1'/>
+ <parameter type-id='7292109c' name='max_error' filepath='drivers/gpu/drm/drm_vblank.c' line='830' column='1'/>
+ <parameter type-id='44372936' name='vblank_time' filepath='drivers/gpu/drm/drm_vblank.c' line='831' column='1'/>
+ <parameter type-id='b50a4934' name='in_vblank_irq' filepath='drivers/gpu/drm/drm_vblank.c' line='832' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_off' mangled-name='drm_crtc_vblank_off' filepath='drivers/gpu/drm/drm_vblank.c' line='1291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_off'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1291' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_on' mangled-name='drm_crtc_vblank_on' filepath='drivers/gpu/drm/drm_vblank.c' line='1433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_on'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1433' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_put' mangled-name='drm_crtc_vblank_put' filepath='drivers/gpu/drm/drm_vblank.c' line='1223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_put'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1223' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_reset' mangled-name='drm_crtc_vblank_reset' filepath='drivers/gpu/drm/drm_vblank.c' line='1370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_reset'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1370' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_crtc_vblank_waitqueue' mangled-name='drm_crtc_vblank_waitqueue' filepath='drivers/gpu/drm/drm_vblank.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_vblank_waitqueue'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='584' column='1'/>
+ <return type-id='03d48e96'/>
+ </function-decl>
+ <function-decl name='drm_crtc_wait_one_vblank' mangled-name='drm_crtc_wait_one_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='1274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_crtc_wait_one_vblank'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_vblank.c' line='1274' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_cvt_mode' mangled-name='drm_cvt_mode' filepath='drivers/gpu/drm/drm_modes.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_cvt_mode'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='140' column='1'/>
+ <parameter type-id='95e97e5e' name='hdisplay' filepath='drivers/gpu/drm/drm_modes.c' line='140' column='1'/>
+ <parameter type-id='95e97e5e' name='vdisplay' filepath='drivers/gpu/drm/drm_modes.c' line='141' column='1'/>
+ <parameter type-id='95e97e5e' name='vrefresh' filepath='drivers/gpu/drm/drm_modes.c' line='141' column='1'/>
+ <parameter type-id='b50a4934' name='reduced' filepath='drivers/gpu/drm/drm_modes.c' line='142' column='1'/>
+ <parameter type-id='b50a4934' name='interlaced' filepath='drivers/gpu/drm/drm_modes.c' line='142' column='1'/>
+ <parameter type-id='b50a4934' name='margins' filepath='drivers/gpu/drm/drm_modes.c' line='142' column='1'/>
+ <return type-id='11e02f83'/>
+ </function-decl>
+ <function-decl name='drm_debugfs_create_files' mangled-name='drm_debugfs_create_files' filepath='drivers/gpu/drm/drm_debugfs.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_debugfs_create_files'>
+ <parameter type-id='09894807' name='files' filepath='drivers/gpu/drm/drm_debugfs.c' line='176' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/gpu/drm/drm_debugfs.c' line='176' column='1'/>
+ <parameter type-id='27675065' name='root' filepath='drivers/gpu/drm/drm_debugfs.c' line='177' column='1'/>
+ <parameter type-id='6c3b3f8e' name='minor' filepath='drivers/gpu/drm/drm_debugfs.c' line='177' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_default_rgb_quant_range' mangled-name='drm_default_rgb_quant_range' filepath='drivers/gpu/drm/drm_edid.c' line='4844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_default_rgb_quant_range'>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='4844' column='1'/>
+ <return type-id='5c444b2c'/>
+ </function-decl>
+ <function-decl name='drm_detect_hdmi_monitor' mangled-name='drm_detect_hdmi_monitor' filepath='drivers/gpu/drm/drm_edid.c' line='4760' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_detect_hdmi_monitor'>
+ <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='4760' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_detect_monitor_audio' mangled-name='drm_detect_monitor_audio' filepath='drivers/gpu/drm/drm_edid.c' line='4798' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_detect_monitor_audio'>
+ <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='4798' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_dev_alloc' mangled-name='drm_dev_alloc' filepath='drivers/gpu/drm/drm_drv.c' line='716' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_alloc'>
+ <parameter type-id='1d52bc4d' name='driver' filepath='drivers/gpu/drm/drm_drv.c' line='716' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/gpu/drm/drm_drv.c' line='717' column='1'/>
+ <return type-id='8898134d'/>
+ </function-decl>
+ <function-decl name='drm_dev_dbg' mangled-name='drm_dev_dbg' filepath='drivers/gpu/drm/drm_print.c' line='259' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_dbg'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/gpu/drm/drm_print.c' line='259' column='1'/>
+ <parameter type-id='189697ba' name='category' filepath='drivers/gpu/drm/drm_print.c' line='259' column='1'/>
+ <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='260' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dev_enter' mangled-name='drm_dev_enter' filepath='drivers/gpu/drm/drm_drv.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_enter'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='424' column='1'/>
+ <parameter type-id='7292109c' name='idx' filepath='drivers/gpu/drm/drm_drv.c' line='424' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_dev_exit' mangled-name='drm_dev_exit' filepath='drivers/gpu/drm/drm_drv.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_exit'>
+ <parameter type-id='95e97e5e' name='idx' filepath='drivers/gpu/drm/drm_drv.c' line='444' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dev_get' mangled-name='drm_dev_get' filepath='drivers/gpu/drm/drm_drv.c' line='762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_get'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='762' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dev_printk' mangled-name='drm_dev_printk' filepath='drivers/gpu/drm/drm_print.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_printk'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/gpu/drm/drm_print.c' line='238' column='1'/>
+ <parameter type-id='80f4b756' name='level' filepath='drivers/gpu/drm/drm_print.c' line='238' column='1'/>
+ <parameter type-id='80f4b756' name='format' filepath='drivers/gpu/drm/drm_print.c' line='239' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dev_put' mangled-name='drm_dev_put' filepath='drivers/gpu/drm/drm_drv.c' line='776' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_put'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='776' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dev_register' mangled-name='drm_dev_register' filepath='drivers/gpu/drm/drm_drv.c' line='859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_register'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='859' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/gpu/drm/drm_drv.c' line='859' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dev_set_unique' mangled-name='drm_dev_set_unique' filepath='drivers/gpu/drm/drm_drv.c' line='967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_set_unique'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='967' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_drv.c' line='967' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dev_unplug' mangled-name='drm_dev_unplug' filepath='drivers/gpu/drm/drm_drv.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_unplug'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='460' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dev_unregister' mangled-name='drm_dev_unregister' filepath='drivers/gpu/drm/drm_drv.c' line='930' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dev_unregister'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_drv.c' line='930' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_display_info_set_bus_formats' mangled-name='drm_display_info_set_bus_formats' filepath='drivers/gpu/drm/drm_connector.c' line='792' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_display_info_set_bus_formats'>
+ <parameter type-id='939a8d9a' name='info' filepath='drivers/gpu/drm/drm_connector.c' line='792' column='1'/>
+ <parameter type-id='aded214c' name='formats' filepath='drivers/gpu/drm/drm_connector.c' line='793' column='1'/>
+ <parameter type-id='f0981eeb' name='num_formats' filepath='drivers/gpu/drm/drm_connector.c' line='794' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_display_mode_from_videomode' mangled-name='drm_display_mode_from_videomode' filepath='drivers/gpu/drm/drm_modes.c' line='588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_display_mode_from_videomode'>
+ <parameter type-id='8640fd9e' name='vm' filepath='drivers/gpu/drm/drm_modes.c' line='588' column='1'/>
+ <parameter type-id='11e02f83' name='dmode' filepath='drivers/gpu/drm/drm_modes.c' line='589' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_display_mode_to_videomode' mangled-name='drm_display_mode_to_videomode' filepath='drivers/gpu/drm/drm_modes.c' line='629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_display_mode_to_videomode'>
+ <parameter type-id='745b39e8' name='dmode' filepath='drivers/gpu/drm/drm_modes.c' line='629' column='1'/>
+ <parameter type-id='83e7c23f' name='vm' filepath='drivers/gpu/drm/drm_modes.c' line='630' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_do_get_edid' mangled-name='drm_do_get_edid' filepath='drivers/gpu/drm/drm_edid.c' line='1938' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_do_get_edid'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='1938' column='1'/>
+ <parameter type-id='e879a339' name='get_edid_block' filepath='drivers/gpu/drm/drm_edid.c' line='1939' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_edid.c' line='1941' column='1'/>
+ <return type-id='c91d1bf1'/>
+ </function-decl>
+ <function-decl name='drm_dp_atomic_find_vcpi_slots' mangled-name='drm_dp_atomic_find_vcpi_slots' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_atomic_find_vcpi_slots'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4374' column='1'/>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4375' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4376' column='1'/>
+ <parameter type-id='95e97e5e' name='pbn' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4376' column='1'/>
+ <parameter type-id='95e97e5e' name='pbn_div' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4377' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_atomic_release_vcpi_slots' mangled-name='drm_dp_atomic_release_vcpi_slots' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_atomic_release_vcpi_slots'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4468' column='1'/>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4469' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4470' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_aux_init' mangled-name='drm_dp_aux_init' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_aux_init'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1634' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_aux_register' mangled-name='drm_dp_aux_register' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_aux_register'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1664' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_aux_unregister' mangled-name='drm_dp_aux_unregister' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_aux_unregister'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1696' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_bw_code_to_link_rate' mangled-name='drm_dp_bw_code_to_link_rate' filepath='drivers/gpu/drm/drm_dp_helper.c' line='178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_bw_code_to_link_rate'>
+ <parameter type-id='f9b06939' name='link_bw' filepath='drivers/gpu/drm/drm_dp_helper.c' line='178' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_calc_pbn_mode' mangled-name='drm_dp_calc_pbn_mode' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4719' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_calc_pbn_mode'>
+ <parameter type-id='95e97e5e' name='clock' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4719' column='1'/>
+ <parameter type-id='95e97e5e' name='bpp' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4719' column='1'/>
+ <parameter type-id='b50a4934' name='dsc' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4719' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_channel_eq_ok' mangled-name='drm_dp_channel_eq_ok' filepath='drivers/gpu/drm/drm_dp_helper.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_channel_eq_ok'>
+ <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='64' column='1'/>
+ <parameter type-id='95e97e5e' name='lane_count' filepath='drivers/gpu/drm/drm_dp_helper.c' line='65' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_dp_check_act_status' mangled-name='drm_dp_check_act_status' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4679' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_check_act_status'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4679' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_clock_recovery_ok' mangled-name='drm_dp_clock_recovery_ok' filepath='drivers/gpu/drm/drm_dp_helper.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_clock_recovery_ok'>
+ <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='84' column='1'/>
+ <parameter type-id='95e97e5e' name='lane_count' filepath='drivers/gpu/drm/drm_dp_helper.c' line='85' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_dp_downstream_debug' mangled-name='drm_dp_downstream_debug' filepath='drivers/gpu/drm/drm_dp_helper.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_downstream_debug'>
+ <parameter type-id='f8dc9def' name='m' filepath='drivers/gpu/drm/drm_dp_helper.c' line='959' column='1'/>
+ <parameter type-id='bbaf3419' name='dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='960' column='1'/>
+ <parameter type-id='bbaf3419' name='port_cap' filepath='drivers/gpu/drm/drm_dp_helper.c' line='961' column='1'/>
+ <parameter type-id='776adf76' name='edid' filepath='drivers/gpu/drm/drm_dp_helper.c' line='962' column='1'/>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='963' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_dpcd_read' mangled-name='drm_dp_dpcd_read' filepath='drivers/gpu/drm/drm_dp_helper.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dpcd_read'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='284' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpu/drm/drm_dp_helper.c' line='284' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_dp_helper.c' line='285' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_dp_helper.c' line='285' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='drm_dp_dpcd_read_link_status' mangled-name='drm_dp_dpcd_read_link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dpcd_read_link_status'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='358' column='1'/>
+ <parameter type-id='8bff8096' name='status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='359' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_dpcd_write' mangled-name='drm_dp_dpcd_write' filepath='drivers/gpu/drm/drm_dp_helper.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dpcd_write'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='334' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpu/drm/drm_dp_helper.c' line='334' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_dp_helper.c' line='335' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_dp_helper.c' line='335' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='drm_dp_dsc_sink_line_buf_depth' mangled-name='drm_dp_dsc_sink_line_buf_depth' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2050' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dsc_sink_line_buf_depth'>
+ <parameter type-id='bbaf3419' name='dsc_dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='2050' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='drm_dp_dsc_sink_max_slice_count' mangled-name='drm_dp_dsc_sink_max_slice_count' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1992' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_dsc_sink_max_slice_count'>
+ <parameter type-id='bbaf3419' name='dsc_dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1992' column='1'/>
+ <parameter type-id='b50a4934' name='is_edp' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1993' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='drm_dp_find_vcpi_slots' mangled-name='drm_dp_find_vcpi_slots' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4310' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_find_vcpi_slots'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4310' column='1'/>
+ <parameter type-id='95e97e5e' name='pbn' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4311' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_get_adjust_request_pre_emphasis' mangled-name='drm_dp_get_adjust_request_pre_emphasis' filepath='drivers/gpu/drm/drm_dp_helper.c' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_get_adjust_request_pre_emphasis'>
+ <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='112' column='1'/>
+ <parameter type-id='95e97e5e' name='lane' filepath='drivers/gpu/drm/drm_dp_helper.c' line='113' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='drm_dp_get_adjust_request_voltage' mangled-name='drm_dp_get_adjust_request_voltage' filepath='drivers/gpu/drm/drm_dp_helper.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_get_adjust_request_voltage'>
+ <parameter type-id='bbaf3419' name='link_status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='99' column='1'/>
+ <parameter type-id='95e97e5e' name='lane' filepath='drivers/gpu/drm/drm_dp_helper.c' line='100' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='drm_dp_get_edid_quirks' mangled-name='drm_dp_get_edid_quirks' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_get_edid_quirks'>
+ <parameter type-id='776adf76' name='edid' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1912' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='drm_dp_link_rate_to_bw_code' mangled-name='drm_dp_link_rate_to_bw_code' filepath='drivers/gpu/drm/drm_dp_helper.c' line='171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_link_rate_to_bw_code'>
+ <parameter type-id='95e97e5e' name='link_rate' filepath='drivers/gpu/drm/drm_dp_helper.c' line='171' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='drm_dp_link_train_channel_eq_delay' mangled-name='drm_dp_link_train_channel_eq_delay' filepath='drivers/gpu/drm/drm_dp_helper.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_link_train_channel_eq_delay'>
+ <parameter type-id='bbaf3419' name='dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='153' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_link_train_clock_recovery_delay' mangled-name='drm_dp_link_train_clock_recovery_delay' filepath='drivers/gpu/drm/drm_dp_helper.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_link_train_clock_recovery_delay'>
+ <parameter type-id='bbaf3419' name='dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='135' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_allocate_vcpi' mangled-name='drm_dp_mst_allocate_vcpi' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4510' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_allocate_vcpi'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4510' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4511' column='1'/>
+ <parameter type-id='95e97e5e' name='pbn' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4511' column='1'/>
+ <parameter type-id='95e97e5e' name='slots' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4511' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_deallocate_vcpi' mangled-name='drm_dp_mst_deallocate_vcpi' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_deallocate_vcpi'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4590' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4591' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_detect_port' mangled-name='drm_dp_mst_detect_port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_detect_port'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4221' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4222' column='1'/>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4223' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4224' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_dump_topology' mangled-name='drm_dp_mst_dump_topology' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4804' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_dump_topology'>
+ <parameter type-id='f8dc9def' name='m' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4804' column='1'/>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4805' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_get_edid' mangled-name='drm_dp_mst_get_edid' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_get_edid'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4278' column='1'/>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4278' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4278' column='1'/>
+ <return type-id='c91d1bf1'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_get_port_malloc' mangled-name='drm_dp_mst_get_port_malloc' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='1539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_get_port_malloc'>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='1539' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_hpd_irq' mangled-name='drm_dp_mst_hpd_irq' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_hpd_irq'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4184' column='1'/>
+ <parameter type-id='8bff8096' name='esi' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4184' column='1'/>
+ <parameter type-id='d8e6b335' name='handled' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_put_port_malloc' mangled-name='drm_dp_mst_put_port_malloc' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='1557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_put_port_malloc'>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='1557' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_reset_vcpi_slots' mangled-name='drm_dp_mst_reset_vcpi_slots' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_reset_vcpi_slots'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4571' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='4571' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_topology_mgr_destroy' mangled-name='drm_dp_mst_topology_mgr_destroy' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5494' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_topology_mgr_destroy'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5494' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_topology_mgr_init' mangled-name='drm_dp_mst_topology_mgr_init' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_topology_mgr_init'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5425' column='1'/>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5426' column='1'/>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5426' column='1'/>
+ <parameter type-id='95e97e5e' name='max_dpcd_transaction_bytes' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5427' column='1'/>
+ <parameter type-id='95e97e5e' name='max_payloads' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5428' column='1'/>
+ <parameter type-id='95e97e5e' name='conn_base_id' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='5428' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_mst_topology_mgr_set_mst' mangled-name='drm_dp_mst_topology_mgr_set_mst' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3700' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_mst_topology_mgr_set_mst'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3700' column='1'/>
+ <parameter type-id='b50a4934' name='mst_state' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3700' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_send_power_updown_phy' mangled-name='drm_dp_send_power_updown_phy' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_send_power_updown_phy'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3213' column='1'/>
+ <parameter type-id='c45d1018' name='port' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3214' column='1'/>
+ <parameter type-id='b50a4934' name='power_up' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_set_subconnector_property' mangled-name='drm_dp_set_subconnector_property' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_set_subconnector_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1102' column='1'/>
+ <parameter type-id='f7b0e1b4' name='status' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1103' column='1'/>
+ <parameter type-id='bbaf3419' name='dpcd' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1104' column='1'/>
+ <parameter type-id='bbaf3419' name='port_cap' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1105' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_dp_start_crc' mangled-name='drm_dp_start_crc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1743' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_start_crc'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1743' column='1'/>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1743' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_stop_crc' mangled-name='drm_dp_stop_crc' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_stop_crc'>
+ <parameter type-id='7c5f8cd8' name='aux' filepath='drivers/gpu/drm/drm_dp_helper.c' line='1770' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_update_payload_part1' mangled-name='drm_dp_update_payload_part1' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3364' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_update_payload_part1'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3364' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dp_update_payload_part2' mangled-name='drm_dp_update_payload_part2' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dp_update_payload_part2'>
+ <parameter type-id='88a6d23d' name='mgr' filepath='drivers/gpu/drm/drm_dp_mst_topology.c' line='3490' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dsc_compute_rc_parameters' mangled-name='drm_dsc_compute_rc_parameters' filepath='drivers/gpu/drm/drm_dsc.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dsc_compute_rc_parameters'>
+ <parameter type-id='b21554fc' name='vdsc_cfg' filepath='drivers/gpu/drm/drm_dsc.c' line='256' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_dsc_pps_payload_pack' mangled-name='drm_dsc_pps_payload_pack' filepath='drivers/gpu/drm/drm_dsc.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_dsc_pps_payload_pack'>
+ <parameter type-id='fe3087c9' name='pps_payload' filepath='drivers/gpu/drm/drm_dsc.c' line='69' column='1'/>
+ <parameter type-id='fb7c1d0f' name='dsc_cfg' filepath='drivers/gpu/drm/drm_dsc.c' line='70' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_edid_block_valid' mangled-name='drm_edid_block_valid' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_block_valid'>
+ <parameter type-id='8bff8096' name='raw_edid' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1'/>
+ <parameter type-id='95e97e5e' name='block' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1'/>
+ <parameter type-id='b50a4934' name='print_bad_edid' filepath='drivers/gpu/drm/drm_edid.c' line='1661' column='1'/>
+ <parameter type-id='d8e6b335' name='edid_corrupt' filepath='drivers/gpu/drm/drm_edid.c' line='1662' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_edid_duplicate' mangled-name='drm_edid_duplicate' filepath='drivers/gpu/drm/drm_edid.c' line='2104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_duplicate'>
+ <parameter type-id='776adf76' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='2104' column='1'/>
+ <return type-id='c91d1bf1'/>
+ </function-decl>
+ <function-decl name='drm_edid_get_monitor_name' mangled-name='drm_edid_get_monitor_name' filepath='drivers/gpu/drm/drm_edid.c' line='4473' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_get_monitor_name'>
+ <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='4473' column='1'/>
+ <parameter type-id='26a90f95' name='name' filepath='drivers/gpu/drm/drm_edid.c' line='4473' column='1'/>
+ <parameter type-id='95e97e5e' name='bufsize' filepath='drivers/gpu/drm/drm_edid.c' line='4473' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_edid_header_is_valid' mangled-name='drm_edid_header_is_valid' filepath='drivers/gpu/drm/drm_edid.c' line='1570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_header_is_valid'>
+ <parameter type-id='bbaf3419' name='raw_edid' filepath='drivers/gpu/drm/drm_edid.c' line='1570' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_edid_is_valid' mangled-name='drm_edid_is_valid' filepath='drivers/gpu/drm/drm_edid.c' line='1754' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_is_valid'>
+ <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='1754' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_edid_to_sad' mangled-name='drm_edid_to_sad' filepath='drivers/gpu/drm/drm_edid.c' line='4603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_to_sad'>
+ <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='4603' column='1'/>
+ <parameter type-id='3ce232db' name='sads' filepath='drivers/gpu/drm/drm_edid.c' line='4603' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_edid_to_speaker_allocation' mangled-name='drm_edid_to_speaker_allocation' filepath='drivers/gpu/drm/drm_edid.c' line='4665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_edid_to_speaker_allocation'>
+ <parameter type-id='c91d1bf1' name='edid' filepath='drivers/gpu/drm/drm_edid.c' line='4665' column='1'/>
+ <parameter type-id='1f37a7f4' name='sadb' filepath='drivers/gpu/drm/drm_edid.c' line='4665' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_encoder_cleanup' mangled-name='drm_encoder_cleanup' filepath='drivers/gpu/drm/drm_encoder.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_encoder_cleanup'>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_encoder.c' line='161' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_encoder_init' mangled-name='drm_encoder_init' filepath='drivers/gpu/drm/drm_encoder.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_encoder_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_encoder.c' line='109' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_encoder.c' line='110' column='1'/>
+ <parameter type-id='1701f1ac' name='funcs' filepath='drivers/gpu/drm/drm_encoder.c' line='111' column='1'/>
+ <parameter type-id='95e97e5e' name='encoder_type' filepath='drivers/gpu/drm/drm_encoder.c' line='112' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_encoder.c' line='112' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_event_cancel_free' mangled-name='drm_event_cancel_free' filepath='drivers/gpu/drm/drm_file.c' line='758' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_event_cancel_free'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='758' column='1'/>
+ <parameter type-id='16ab0351' name='p' filepath='drivers/gpu/drm/drm_file.c' line='759' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_event_reserve_init' mangled-name='drm_event_reserve_init' filepath='drivers/gpu/drm/drm_file.c' line='733' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_event_reserve_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='733' column='1'/>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_file.c' line='734' column='1'/>
+ <parameter type-id='16ab0351' name='p' filepath='drivers/gpu/drm/drm_file.c' line='735' column='1'/>
+ <parameter type-id='5b35aab5' name='e' filepath='drivers/gpu/drm/drm_file.c' line='736' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_event_reserve_init_locked' mangled-name='drm_event_reserve_init_locked' filepath='drivers/gpu/drm/drm_file.c' line='691' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_event_reserve_init_locked'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='691' column='1'/>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_file.c' line='692' column='1'/>
+ <parameter type-id='16ab0351' name='p' filepath='drivers/gpu/drm/drm_file.c' line='693' column='1'/>
+ <parameter type-id='5b35aab5' name='e' filepath='drivers/gpu/drm/drm_file.c' line='694' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_fb_cma_get_gem_obj' mangled-name='drm_fb_cma_get_gem_obj' filepath='drivers/gpu/drm/drm_fb_cma_helper.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_fb_cma_get_gem_obj'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_fb_cma_helper.c' line='39' column='1'/>
+ <parameter type-id='f0981eeb' name='plane' filepath='drivers/gpu/drm/drm_fb_cma_helper.c' line='40' column='1'/>
+ <return type-id='faa9576a'/>
+ </function-decl>
+ <function-decl name='drm_flip_work_cleanup' mangled-name='drm_flip_work_cleanup' filepath='drivers/gpu/drm/drm_flip_work.c' line='166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_cleanup'>
+ <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='166' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_flip_work_commit' mangled-name='drm_flip_work_commit' filepath='drivers/gpu/drm/drm_flip_work.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_commit'>
+ <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='101' column='1'/>
+ <parameter type-id='242e3d19' name='wq' filepath='drivers/gpu/drm/drm_flip_work.c' line='102' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_flip_work_init' mangled-name='drm_flip_work_init' filepath='drivers/gpu/drm/drm_flip_work.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_init'>
+ <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='147' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_flip_work.c' line='148' column='1'/>
+ <parameter type-id='12758247' name='func' filepath='drivers/gpu/drm/drm_flip_work.c' line='148' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_flip_work_queue' mangled-name='drm_flip_work_queue' filepath='drivers/gpu/drm/drm_flip_work.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_flip_work_queue'>
+ <parameter type-id='705eaeca' name='work' filepath='drivers/gpu/drm/drm_flip_work.c' line='76' column='1'/>
+ <parameter type-id='eaa32e2f' name='val' filepath='drivers/gpu/drm/drm_flip_work.c' line='76' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_format_info' mangled-name='drm_format_info' filepath='drivers/gpu/drm/drm_fourcc.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_format_info'>
+ <parameter type-id='19c2251e' name='format' filepath='drivers/gpu/drm/drm_fourcc.c' line='312' column='1'/>
+ <return type-id='f10b2208'/>
+ </function-decl>
+ <function-decl name='drm_framebuffer_cleanup' mangled-name='drm_framebuffer_cleanup' filepath='drivers/gpu/drm/drm_framebuffer.c' line='942' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_framebuffer_cleanup'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_framebuffer.c' line='942' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_framebuffer_init' mangled-name='drm_framebuffer_init' filepath='drivers/gpu/drm/drm_framebuffer.c' line='844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_framebuffer_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_framebuffer.c' line='844' column='1'/>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_framebuffer.c' line='844' column='1'/>
+ <parameter type-id='8e992c3d' name='funcs' filepath='drivers/gpu/drm/drm_framebuffer.c' line='845' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_framebuffer_lookup' mangled-name='drm_framebuffer_lookup' filepath='drivers/gpu/drm/drm_framebuffer.c' line='883' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_framebuffer_lookup'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_framebuffer.c' line='883' column='1'/>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_framebuffer.c' line='884' column='1'/>
+ <parameter type-id='8f92235e' name='id' filepath='drivers/gpu/drm/drm_framebuffer.c' line='885' column='1'/>
+ <return type-id='7b332e1c'/>
+ </function-decl>
+ <function-decl name='drm_framebuffer_remove' mangled-name='drm_framebuffer_remove' filepath='drivers/gpu/drm/drm_framebuffer.c' line='1083' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_framebuffer_remove'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_framebuffer.c' line='1083' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_framebuffer_unregister_private' mangled-name='drm_framebuffer_unregister_private' filepath='drivers/gpu/drm/drm_framebuffer.c' line='911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_framebuffer_unregister_private'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_framebuffer.c' line='911' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_create_object_default_funcs' mangled-name='drm_gem_cma_create_object_default_funcs' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_create_object_default_funcs'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='579' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='579' column='1'/>
+ <return type-id='abd62a96'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_dumb_create' mangled-name='drm_gem_cma_dumb_create' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_dumb_create'>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='248' column='1'/>
+ <parameter type-id='8898134d' name='drm' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='249' column='1'/>
+ <parameter type-id='28cbbf40' name='args' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='250' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_dumb_create_internal' mangled-name='drm_gem_cma_dumb_create_internal' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_dumb_create_internal'>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='211' column='1'/>
+ <parameter type-id='8898134d' name='drm' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='212' column='1'/>
+ <parameter type-id='28cbbf40' name='args' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='213' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_free_object' mangled-name='drm_gem_cma_free_object' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_free_object'>
+ <parameter type-id='abd62a96' name='gem_obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='176' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_mmap' mangled-name='drm_gem_cma_mmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_mmap'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='308' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='308' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_prime_get_sg_table' mangled-name='drm_gem_cma_prime_get_sg_table' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_get_sg_table'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='427' column='1'/>
+ <return type-id='4adb0e6a'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_prime_import_sg_table' mangled-name='drm_gem_cma_prime_import_sg_table' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_import_sg_table'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='468' column='1'/>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='469' column='1'/>
+ <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='470' column='1'/>
+ <return type-id='abd62a96'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_prime_mmap' mangled-name='drm_gem_cma_prime_mmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_mmap'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='504' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='505' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_prime_vmap' mangled-name='drm_gem_cma_prime_vmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_vmap'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='533' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='drm_gem_cma_prime_vunmap' mangled-name='drm_gem_cma_prime_vunmap' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_cma_prime_vunmap'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='552' column='1'/>
+ <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='552' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='drm_gem_cma_vm_ops' type-id='92e9b57c' mangled-name='drm_gem_cma_vm_ops' visibility='default' filepath='drivers/gpu/drm/drm_gem_cma_helper.c' line='263' column='1' elf-symbol-id='drm_gem_cma_vm_ops'/>
+ <function-decl name='drm_gem_create_mmap_offset' mangled-name='drm_gem_create_mmap_offset' filepath='drivers/gpu/drm/drm_gem.c' line='514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_create_mmap_offset'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='514' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_dmabuf_export' mangled-name='drm_gem_dmabuf_export' filepath='drivers/gpu/drm/drm_prime.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_export'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='240' column='1'/>
+ <parameter type-id='3bc4f0bb' name='exp_info' filepath='drivers/gpu/drm/drm_prime.c' line='241' column='1'/>
+ <return type-id='5e4f599b'/>
+ </function-decl>
+ <function-decl name='drm_gem_dmabuf_get_uuid' mangled-name='drm_gem_dmabuf_get_uuid' filepath='drivers/gpu/drm/drm_prime.c' line='793' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_get_uuid'>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='793' column='1'/>
+ <parameter type-id='f1397309' name='uuid' filepath='drivers/gpu/drm/drm_prime.c' line='793' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_dmabuf_mmap' mangled-name='drm_gem_dmabuf_mmap' filepath='drivers/gpu/drm/drm_prime.c' line='771' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_mmap'>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='771' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_prime.c' line='771' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_dmabuf_release' mangled-name='drm_gem_dmabuf_release' filepath='drivers/gpu/drm/drm_prime.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_release'>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='267' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_dmabuf_vmap' mangled-name='drm_gem_dmabuf_vmap' filepath='drivers/gpu/drm/drm_prime.c' line='672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_vmap'>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='672' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='drm_gem_dmabuf_vunmap' mangled-name='drm_gem_dmabuf_vunmap' filepath='drivers/gpu/drm/drm_prime.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dmabuf_vunmap'>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='693' column='1'/>
+ <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/gpu/drm/drm_prime.c' line='693' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_dumb_destroy' mangled-name='drm_gem_dumb_destroy' filepath='drivers/gpu/drm/drm_gem.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dumb_destroy'>
+ <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem.c' line='349' column='1'/>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='350' column='1'/>
+ <parameter type-id='8f92235e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='351' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_dumb_map_offset' mangled-name='drm_gem_dumb_map_offset' filepath='drivers/gpu/drm/drm_gem.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_dumb_map_offset'>
+ <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem.c' line='312' column='1'/>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='312' column='1'/>
+ <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='313' column='1'/>
+ <parameter type-id='3df9fd28' name='offset' filepath='drivers/gpu/drm/drm_gem.c' line='313' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_fb_afbc_init' mangled-name='drm_gem_fb_afbc_init' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_afbc_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='412' column='1'/>
+ <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='413' column='1'/>
+ <parameter type-id='c599ec07' name='afbc_fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='414' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_fb_create' mangled-name='drm_gem_fb_create' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='264' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_create'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='264' column='1'/>
+ <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='264' column='1'/>
+ <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='265' column='1'/>
+ <return type-id='7b332e1c'/>
+ </function-decl>
+ <function-decl name='drm_gem_fb_create_handle' mangled-name='drm_gem_fb_create_handle' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_create_handle'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='118' column='1'/>
+ <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='118' column='1'/>
+ <parameter type-id='807869d3' name='handle' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='119' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_fb_destroy' mangled-name='drm_gem_fb_destroy' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_destroy'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='93' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_fb_get_obj' mangled-name='drm_gem_fb_get_obj' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_get_obj'>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='54' column='1'/>
+ <parameter type-id='f0981eeb' name='plane' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='55' column='1'/>
+ <return type-id='abd62a96'/>
+ </function-decl>
+ <function-decl name='drm_gem_fb_init_with_funcs' mangled-name='drm_gem_fb_init_with_funcs' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_init_with_funcs'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='147' column='1'/>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='148' column='1'/>
+ <parameter type-id='9e99ecc1' name='file' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='149' column='1'/>
+ <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='150' column='1'/>
+ <parameter type-id='8e992c3d' name='funcs' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='151' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_fb_prepare_fb' mangled-name='drm_gem_fb_prepare_fb' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_fb_prepare_fb'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='454' column='1'/>
+ <parameter type-id='d0835005' name='state' filepath='drivers/gpu/drm/drm_gem_framebuffer_helper.c' line='455' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_free_mmap_offset' mangled-name='drm_gem_free_mmap_offset' filepath='drivers/gpu/drm/drm_gem.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_free_mmap_offset'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='465' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_get_pages' mangled-name='drm_gem_get_pages' filepath='drivers/gpu/drm/drm_gem.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_get_pages'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='556' column='1'/>
+ <return type-id='9f93c9da'/>
+ </function-decl>
+ <function-decl name='drm_gem_handle_create' mangled-name='drm_gem_handle_create' filepath='drivers/gpu/drm/drm_gem.c' line='443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_handle_create'>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_gem.c' line='443' column='1'/>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='444' column='1'/>
+ <parameter type-id='f9409001' name='handlep' filepath='drivers/gpu/drm/drm_gem.c' line='445' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_handle_delete' mangled-name='drm_gem_handle_delete' filepath='drivers/gpu/drm/drm_gem.c' line='275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_handle_delete'>
+ <parameter type-id='9e99ecc1' name='filp' filepath='drivers/gpu/drm/drm_gem.c' line='275' column='1'/>
+ <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='275' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_lock_reservations' mangled-name='drm_gem_lock_reservations' filepath='drivers/gpu/drm/drm_gem.c' line='1265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_lock_reservations'>
+ <parameter type-id='3e2545f4' name='objs' filepath='drivers/gpu/drm/drm_gem.c' line='1265' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/gpu/drm/drm_gem.c' line='1265' column='1'/>
+ <parameter type-id='c1d02a64' name='acquire_ctx' filepath='drivers/gpu/drm/drm_gem.c' line='1266' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_map_attach' mangled-name='drm_gem_map_attach' filepath='drivers/gpu/drm/drm_prime.c' line='576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_map_attach'>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='576' column='1'/>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='577' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_map_detach' mangled-name='drm_gem_map_detach' filepath='drivers/gpu/drm/drm_prime.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_map_detach'>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='594' column='1'/>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='595' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_map_dma_buf' mangled-name='drm_gem_map_dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='615' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_map_dma_buf'>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='615' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='drivers/gpu/drm/drm_prime.c' line='616' column='1'/>
+ <return type-id='4adb0e6a'/>
+ </function-decl>
+ <function-decl name='drm_gem_mmap' mangled-name='drm_gem_mmap' filepath='drivers/gpu/drm/drm_gem.c' line='1131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_mmap'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_gem.c' line='1131' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1131' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_mmap_obj' mangled-name='drm_gem_mmap_obj' filepath='drivers/gpu/drm/drm_gem.c' line='1070' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_mmap_obj'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='1070' column='1'/>
+ <parameter type-id='7359adad' name='obj_size' filepath='drivers/gpu/drm/drm_gem.c' line='1070' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1071' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_object_free' mangled-name='drm_gem_object_free' filepath='drivers/gpu/drm/drm_gem.c' line='981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_free'>
+ <parameter type-id='aa29ecab' name='kref' filepath='drivers/gpu/drm/drm_gem.c' line='981' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_object_init' mangled-name='drm_gem_object_init' filepath='drivers/gpu/drm/drm_gem.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='123' column='1'/>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='124' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_gem.c' line='124' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_object_lookup' mangled-name='drm_gem_object_lookup' filepath='drivers/gpu/drm/drm_gem.c' line='755' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_lookup'>
+ <parameter type-id='9e99ecc1' name='filp' filepath='drivers/gpu/drm/drm_gem.c' line='755' column='1'/>
+ <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_gem.c' line='755' column='1'/>
+ <return type-id='abd62a96'/>
+ </function-decl>
+ <function-decl name='drm_gem_object_put_locked' mangled-name='drm_gem_object_put_locked' filepath='drivers/gpu/drm/drm_gem.c' line='1006' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_put_locked'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='1006' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_object_release' mangled-name='drm_gem_object_release' filepath='drivers/gpu/drm/drm_gem.c' line='960' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_object_release'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='960' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_prime_export' mangled-name='drm_gem_prime_export' filepath='drivers/gpu/drm/drm_prime.c' line='897' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_export'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_prime.c' line='897' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='drivers/gpu/drm/drm_prime.c' line='898' column='1'/>
+ <return type-id='5e4f599b'/>
+ </function-decl>
+ <function-decl name='drm_gem_prime_fd_to_handle' mangled-name='drm_gem_prime_fd_to_handle' filepath='drivers/gpu/drm/drm_prime.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_fd_to_handle'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='293' column='1'/>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_prime.c' line='294' column='1'/>
+ <parameter type-id='95e97e5e' name='prime_fd' filepath='drivers/gpu/drm/drm_prime.c' line='294' column='1'/>
+ <parameter type-id='90421557' name='handle' filepath='drivers/gpu/drm/drm_prime.c' line='295' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_prime_handle_to_fd' mangled-name='drm_gem_prime_handle_to_fd' filepath='drivers/gpu/drm/drm_prime.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_handle_to_fd'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='424' column='1'/>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_prime.c' line='425' column='1'/>
+ <parameter type-id='8f92235e' name='handle' filepath='drivers/gpu/drm/drm_prime.c' line='425' column='1'/>
+ <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_prime.c' line='426' column='1'/>
+ <parameter type-id='7292109c' name='prime_fd' filepath='drivers/gpu/drm/drm_prime.c' line='427' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_prime_import' mangled-name='drm_gem_prime_import' filepath='drivers/gpu/drm/drm_prime.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_import'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='999' column='1'/>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='1000' column='1'/>
+ <return type-id='abd62a96'/>
+ </function-decl>
+ <function-decl name='drm_gem_prime_import_dev' mangled-name='drm_gem_prime_import_dev' filepath='drivers/gpu/drm/drm_prime.c' line='929' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_import_dev'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='929' column='1'/>
+ <parameter type-id='5e4f599b' name='dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='930' column='1'/>
+ <parameter type-id='fa0b179b' name='attach_dev' filepath='drivers/gpu/drm/drm_prime.c' line='931' column='1'/>
+ <return type-id='abd62a96'/>
+ </function-decl>
+ <function-decl name='drm_gem_prime_mmap' mangled-name='drm_gem_prime_mmap' filepath='drivers/gpu/drm/drm_prime.c' line='713' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_prime_mmap'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_prime.c' line='713' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_prime.c' line='713' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_private_object_init' mangled-name='drm_gem_private_object_init' filepath='drivers/gpu/drm/drm_gem.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_private_object_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem.c' line='150' column='1'/>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='151' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_gem.c' line='151' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_put_pages' mangled-name='drm_gem_put_pages' filepath='drivers/gpu/drm/drm_gem.c' line='623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_put_pages'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem.c' line='623' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='drivers/gpu/drm/drm_gem.c' line='623' column='1'/>
+ <parameter type-id='b50a4934' name='dirty' filepath='drivers/gpu/drm/drm_gem.c' line='624' column='1'/>
+ <parameter type-id='b50a4934' name='accessed' filepath='drivers/gpu/drm/drm_gem.c' line='624' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_create' mangled-name='drm_gem_shmem_create' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_create'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='105' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='105' column='1'/>
+ <return type-id='970cb2d9'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_free_object' mangled-name='drm_gem_shmem_free_object' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_free_object'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='119' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_get_sg_table' mangled-name='drm_gem_shmem_get_sg_table' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='669' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_get_sg_table'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='669' column='1'/>
+ <return type-id='4adb0e6a'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_mmap' mangled-name='drm_gem_shmem_mmap' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_mmap'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='603' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='603' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_pin' mangled-name='drm_gem_shmem_pin' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_pin'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='234' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_print_info' mangled-name='drm_gem_shmem_print_info' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_print_info'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='642' column='1'/>
+ <parameter type-id='f0981eeb' name='indent' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='642' column='1'/>
+ <parameter type-id='e8a41089' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='643' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_unpin' mangled-name='drm_gem_shmem_unpin' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_unpin'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='251' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_vmap' mangled-name='drm_gem_shmem_vmap' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_vmap'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='317' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='drm_gem_shmem_vunmap' mangled-name='drm_gem_shmem_vunmap' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_shmem_vunmap'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='365' column='1'/>
+ <parameter type-id='eaa32e2f' name='vaddr' filepath='drivers/gpu/drm/drm_gem_shmem_helper.c' line='365' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_unlock_reservations' mangled-name='drm_gem_unlock_reservations' filepath='drivers/gpu/drm/drm_gem.c' line='1317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_unlock_reservations'>
+ <parameter type-id='3e2545f4' name='objs' filepath='drivers/gpu/drm/drm_gem.c' line='1317' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/gpu/drm/drm_gem.c' line='1317' column='1'/>
+ <parameter type-id='c1d02a64' name='acquire_ctx' filepath='drivers/gpu/drm/drm_gem.c' line='1318' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_unmap_dma_buf' mangled-name='drm_gem_unmap_dma_buf' filepath='drivers/gpu/drm/drm_prime.c' line='650' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_unmap_dma_buf'>
+ <parameter type-id='e68e04c1' name='attach' filepath='drivers/gpu/drm/drm_prime.c' line='650' column='1'/>
+ <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_prime.c' line='651' column='1'/>
+ <parameter type-id='eea6b025' name='dir' filepath='drivers/gpu/drm/drm_prime.c' line='652' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_vm_close' mangled-name='drm_gem_vm_close' filepath='drivers/gpu/drm/drm_gem.c' line='1038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_vm_close'>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1038' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_gem_vm_open' mangled-name='drm_gem_vm_open' filepath='drivers/gpu/drm/drm_gem.c' line='1023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_gem_vm_open'>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/drm_gem.c' line='1023' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_get_connector_status_name' mangled-name='drm_get_connector_status_name' filepath='drivers/gpu/drm/drm_connector.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_connector_status_name'>
+ <parameter type-id='f7b0e1b4' name='status' filepath='drivers/gpu/drm/drm_connector.c' line='608' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='drm_get_connector_type_name' mangled-name='drm_get_connector_type_name' filepath='drivers/gpu/drm/drm_connector.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_connector_type_name'>
+ <parameter type-id='f0981eeb' name='type' filepath='drivers/gpu/drm/drm_connector.c' line='121' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='drm_get_edid' mangled-name='drm_get_edid' filepath='drivers/gpu/drm/drm_edid.c' line='2056' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_edid'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='2056' column='1'/>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_edid.c' line='2057' column='1'/>
+ <return type-id='c91d1bf1'/>
+ </function-decl>
+ <function-decl name='drm_get_format_info' mangled-name='drm_get_format_info' filepath='drivers/gpu/drm/drm_fourcc.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_format_info'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_fourcc.c' line='332' column='1'/>
+ <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_fourcc.c' line='333' column='1'/>
+ <return type-id='f10b2208'/>
+ </function-decl>
+ <function-decl name='drm_get_format_name' mangled-name='drm_get_format_name' filepath='drivers/gpu/drm/drm_fourcc.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_get_format_name'>
+ <parameter type-id='8f92235e' name='format' filepath='drivers/gpu/drm/drm_fourcc.c' line='138' column='1'/>
+ <parameter type-id='d00fb93a' name='buf' filepath='drivers/gpu/drm/drm_fourcc.c' line='138' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='drm_handle_vblank' mangled-name='drm_handle_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='1919' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_handle_vblank'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_vblank.c' line='1919' column='1'/>
+ <parameter type-id='f0981eeb' name='pipe' filepath='drivers/gpu/drm/drm_vblank.c' line='1919' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_hdcp_check_ksvs_revoked' mangled-name='drm_hdcp_check_ksvs_revoked' filepath='drivers/gpu/drm/drm_hdcp.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdcp_check_ksvs_revoked'>
+ <parameter type-id='8898134d' name='drm_dev' filepath='drivers/gpu/drm/drm_hdcp.c' line='285' column='1'/>
+ <parameter type-id='8bff8096' name='ksvs' filepath='drivers/gpu/drm/drm_hdcp.c' line='285' column='1'/>
+ <parameter type-id='19c2251e' name='ksv_count' filepath='drivers/gpu/drm/drm_hdcp.c' line='286' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_hdmi_avi_infoframe_colorspace' mangled-name='drm_hdmi_avi_infoframe_colorspace' filepath='drivers/gpu/drm/drm_edid.c' line='5721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_avi_infoframe_colorspace'>
+ <parameter type-id='19ddc3a6' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5721' column='1'/>
+ <parameter type-id='c9ecdb13' name='conn_state' filepath='drivers/gpu/drm/drm_edid.c' line='5722' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_hdmi_avi_infoframe_from_display_mode' mangled-name='drm_hdmi_avi_infoframe_from_display_mode' filepath='drivers/gpu/drm/drm_edid.c' line='5604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_avi_infoframe_from_display_mode'>
+ <parameter type-id='19ddc3a6' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5604' column='1'/>
+ <parameter type-id='0e1f87e5' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5605' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='5606' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_hdmi_avi_infoframe_quant_range' mangled-name='drm_hdmi_avi_infoframe_quant_range' filepath='drivers/gpu/drm/drm_edid.c' line='5751' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_avi_infoframe_quant_range'>
+ <parameter type-id='19ddc3a6' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5751' column='1'/>
+ <parameter type-id='0e1f87e5' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5752' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='5753' column='1'/>
+ <parameter type-id='5c444b2c' name='rgb_quant_range' filepath='drivers/gpu/drm/drm_edid.c' line='5754' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_hdmi_infoframe_set_hdr_metadata' mangled-name='drm_hdmi_infoframe_set_hdr_metadata' filepath='drivers/gpu/drm/drm_edid.c' line='5493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_infoframe_set_hdr_metadata'>
+ <parameter type-id='6ddb149f' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5493' column='1'/>
+ <parameter type-id='c9ecdb13' name='conn_state' filepath='drivers/gpu/drm/drm_edid.c' line='5494' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_hdmi_vendor_infoframe_from_display_mode' mangled-name='drm_hdmi_vendor_infoframe_from_display_mode' filepath='drivers/gpu/drm/drm_edid.c' line='5855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_hdmi_vendor_infoframe_from_display_mode'>
+ <parameter type-id='8ba5499a' name='frame' filepath='drivers/gpu/drm/drm_edid.c' line='5855' column='1'/>
+ <parameter type-id='0e1f87e5' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5856' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_edid.c' line='5857' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_helper_connector_dpms' mangled-name='drm_helper_connector_dpms' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='867' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_connector_dpms'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='867' column='1'/>
+ <parameter type-id='95e97e5e' name='mode' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='867' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_helper_disable_unused_functions' mangled-name='drm_helper_disable_unused_functions' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='219' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_disable_unused_functions'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='219' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_helper_force_disable_all' mangled-name='drm_helper_force_disable_all' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='1002' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_force_disable_all'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='1002' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_helper_hpd_irq_event' mangled-name='drm_helper_hpd_irq_event' filepath='drivers/gpu/drm/drm_probe_helper.c' line='820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_hpd_irq_event'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='820' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_helper_mode_fill_fb_struct' mangled-name='drm_helper_mode_fill_fb_struct' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_mode_fill_fb_struct'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='79' column='1'/>
+ <parameter type-id='7b332e1c' name='fb' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='80' column='1'/>
+ <parameter type-id='92ed24a5' name='mode_cmd' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='81' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_helper_probe_detect' mangled-name='drm_helper_probe_detect' filepath='drivers/gpu/drm/drm_probe_helper.c' line='328' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_probe_detect'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_probe_helper.c' line='328' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_probe_helper.c' line='329' column='1'/>
+ <parameter type-id='b50a4934' name='force' filepath='drivers/gpu/drm/drm_probe_helper.c' line='330' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_helper_probe_single_connector_modes' mangled-name='drm_helper_probe_single_connector_modes' filepath='drivers/gpu/drm/drm_probe_helper.c' line='416' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_probe_single_connector_modes'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_probe_helper.c' line='416' column='1'/>
+ <parameter type-id='8f92235e' name='maxX' filepath='drivers/gpu/drm/drm_probe_helper.c' line='417' column='1'/>
+ <parameter type-id='8f92235e' name='maxY' filepath='drivers/gpu/drm/drm_probe_helper.c' line='417' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_helper_resume_force_mode' mangled-name='drm_helper_resume_force_mode' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='940' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_helper_resume_force_mode'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_crtc_helper.c' line='940' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_ioctl' mangled-name='drm_ioctl' filepath='drivers/gpu/drm/drm_ioctl.c' line='811' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_ioctl'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_ioctl.c' line='811' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/gpu/drm/drm_ioctl.c' line='812' column='1'/>
+ <parameter type-id='7359adad' name='arg' filepath='drivers/gpu/drm/drm_ioctl.c' line='812' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='drm_irq_install' mangled-name='drm_irq_install' filepath='drivers/gpu/drm/drm_irq.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_irq_install'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_irq.c' line='106' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/gpu/drm/drm_irq.c' line='106' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_irq_uninstall' mangled-name='drm_irq_uninstall' filepath='drivers/gpu/drm/drm_irq.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_irq_uninstall'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_irq.c' line='169' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_is_current_master' mangled-name='drm_is_current_master' filepath='drivers/gpu/drm/drm_auth.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_is_current_master'>
+ <parameter type-id='9e99ecc1' name='fpriv' filepath='drivers/gpu/drm/drm_auth.c' line='355' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_kms_helper_hotplug_event' mangled-name='drm_kms_helper_hotplug_event' filepath='drivers/gpu/drm/drm_probe_helper.c' line='607' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_hotplug_event'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='607' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_kms_helper_is_poll_worker' mangled-name='drm_kms_helper_is_poll_worker' filepath='drivers/gpu/drm/drm_probe_helper.c' line='725' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_is_poll_worker'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_kms_helper_poll_disable' mangled-name='drm_kms_helper_poll_disable' filepath='drivers/gpu/drm/drm_probe_helper.c' line='747' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_poll_disable'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='747' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_kms_helper_poll_enable' mangled-name='drm_kms_helper_poll_enable' filepath='drivers/gpu/drm/drm_probe_helper.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_poll_enable'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='242' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_kms_helper_poll_fini' mangled-name='drm_kms_helper_poll_fini' filepath='drivers/gpu/drm/drm_probe_helper.c' line='787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_poll_fini'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='787' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_kms_helper_poll_init' mangled-name='drm_kms_helper_poll_init' filepath='drivers/gpu/drm/drm_probe_helper.c' line='774' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_kms_helper_poll_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_probe_helper.c' line='774' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_match_cea_mode' mangled-name='drm_match_cea_mode' filepath='drivers/gpu/drm/drm_edid.c' line='3456' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_match_cea_mode'>
+ <parameter type-id='745b39e8' name='to_match' filepath='drivers/gpu/drm/drm_edid.c' line='3456' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='drm_mm_init' mangled-name='drm_mm_init' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_init'>
+ <parameter type-id='0ee978f1' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1'/>
+ <parameter type-id='91ce1af9' name='start' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1'/>
+ <parameter type-id='91ce1af9' name='size' filepath='drivers/gpu/drm/drm_mm.c' line='966' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mm_insert_node_in_range' mangled-name='drm_mm_insert_node_in_range' filepath='drivers/gpu/drm/drm_mm.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_insert_node_in_range'>
+ <parameter type-id='60f31a4e' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='517' column='1'/>
+ <parameter type-id='7c50e73f' name='node' filepath='drivers/gpu/drm/drm_mm.c' line='518' column='1'/>
+ <parameter type-id='91ce1af9' name='size' filepath='drivers/gpu/drm/drm_mm.c' line='519' column='1'/>
+ <parameter type-id='91ce1af9' name='alignment' filepath='drivers/gpu/drm/drm_mm.c' line='519' column='1'/>
+ <parameter type-id='7359adad' name='color' filepath='drivers/gpu/drm/drm_mm.c' line='520' column='1'/>
+ <parameter type-id='91ce1af9' name='range_start' filepath='drivers/gpu/drm/drm_mm.c' line='521' column='1'/>
+ <parameter type-id='91ce1af9' name='range_end' filepath='drivers/gpu/drm/drm_mm.c' line='521' column='1'/>
+ <parameter type-id='24e1ec7e' name='mode' filepath='drivers/gpu/drm/drm_mm.c' line='522' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mm_print' mangled-name='drm_mm_print' filepath='drivers/gpu/drm/drm_mm.c' line='1022' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_print'>
+ <parameter type-id='402c0a9e' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='1022' column='1'/>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_mm.c' line='1022' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mm_remove_node' mangled-name='drm_mm_remove_node' filepath='drivers/gpu/drm/drm_mm.c' line='630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_remove_node'>
+ <parameter type-id='6368b074' name='node' filepath='drivers/gpu/drm/drm_mm.c' line='630' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mm_takedown' mangled-name='drm_mm_takedown' filepath='drivers/gpu/drm/drm_mm.c' line='996' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mm_takedown'>
+ <parameter type-id='0ee978f1' name='mm' filepath='drivers/gpu/drm/drm_mm.c' line='996' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_config_cleanup' mangled-name='drm_mode_config_cleanup' filepath='drivers/gpu/drm/drm_mode_config.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_cleanup'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_config.c' line='477' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_config_helper_resume' mangled-name='drm_mode_config_helper_resume' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_helper_resume'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='231' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_config_helper_suspend' mangled-name='drm_mode_config_helper_suspend' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_helper_suspend'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_helper.c' line='195' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_config_reset' mangled-name='drm_mode_config_reset' filepath='drivers/gpu/drm/drm_mode_config.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_config_reset'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_config.c' line='181' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_convert_to_umode' mangled-name='drm_mode_convert_to_umode' filepath='drivers/gpu/drm/drm_modes.c' line='1899' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_convert_to_umode'>
+ <parameter type-id='1bd40de0' name='out' filepath='drivers/gpu/drm/drm_modes.c' line='1899' column='1'/>
+ <parameter type-id='745b39e8' name='in' filepath='drivers/gpu/drm/drm_modes.c' line='1900' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_convert_umode' mangled-name='drm_mode_convert_umode' filepath='drivers/gpu/drm/drm_modes.c' line='1956' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_convert_umode'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='1956' column='1'/>
+ <parameter type-id='11e02f83' name='out' filepath='drivers/gpu/drm/drm_modes.c' line='1957' column='1'/>
+ <parameter type-id='4b939911' name='in' filepath='drivers/gpu/drm/drm_modes.c' line='1958' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_copy' mangled-name='drm_mode_copy' filepath='drivers/gpu/drm/drm_modes.c' line='886' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_copy'>
+ <parameter type-id='11e02f83' name='dst' filepath='drivers/gpu/drm/drm_modes.c' line='886' column='1'/>
+ <parameter type-id='745b39e8' name='src' filepath='drivers/gpu/drm/drm_modes.c' line='886' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_create' mangled-name='drm_mode_create' filepath='drivers/gpu/drm/drm_modes.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='70' column='1'/>
+ <return type-id='11e02f83'/>
+ </function-decl>
+ <function-decl name='drm_mode_create_dp_colorspace_property' mangled-name='drm_mode_create_dp_colorspace_property' filepath='drivers/gpu/drm/drm_connector.c' line='1864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create_dp_colorspace_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='1864' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_create_hdmi_colorspace_property' mangled-name='drm_mode_create_hdmi_colorspace_property' filepath='drivers/gpu/drm/drm_connector.c' line='1835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create_hdmi_colorspace_property'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_connector.c' line='1835' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_create_scaling_mode_property' mangled-name='drm_mode_create_scaling_mode_property' filepath='drivers/gpu/drm/drm_connector.c' line='1599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create_scaling_mode_property'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='1599' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_create_tile_group' mangled-name='drm_mode_create_tile_group' filepath='drivers/gpu/drm/drm_connector.c' line='2538' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create_tile_group'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='2538' column='1'/>
+ <parameter type-id='80f4b756' name='topology' filepath='drivers/gpu/drm/drm_connector.c' line='2539' column='1'/>
+ <return type-id='c6c44b9f'/>
+ </function-decl>
+ <function-decl name='drm_mode_create_tv_properties' mangled-name='drm_mode_create_tv_properties' filepath='drivers/gpu/drm/drm_connector.c' line='1504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_create_tv_properties'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='1504' column='1'/>
+ <parameter type-id='f0981eeb' name='num_modes' filepath='drivers/gpu/drm/drm_connector.c' line='1505' column='1'/>
+ <parameter type-id='13956559' name='modes' filepath='drivers/gpu/drm/drm_connector.c' line='1506' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_crtc_set_gamma_size' mangled-name='drm_mode_crtc_set_gamma_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_crtc_set_gamma_size'>
+ <parameter type-id='b64ad7cb' name='crtc' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='205' column='1'/>
+ <parameter type-id='95e97e5e' name='gamma_size' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='206' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_mode_debug_printmodeline' mangled-name='drm_mode_debug_printmodeline' filepath='drivers/gpu/drm/drm_modes.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_debug_printmodeline'>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='54' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_destroy' mangled-name='drm_mode_destroy' filepath='drivers/gpu/drm/drm_modes.c' line='89' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_destroy'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='89' column='1'/>
+ <parameter type-id='11e02f83' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='89' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_duplicate' mangled-name='drm_mode_duplicate' filepath='drivers/gpu/drm/drm_modes.c' line='906' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_duplicate'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='906' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='907' column='1'/>
+ <return type-id='11e02f83'/>
+ </function-decl>
+ <function-decl name='drm_mode_equal' mangled-name='drm_mode_equal' filepath='drivers/gpu/drm/drm_modes.c' line='1024' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_equal'>
+ <parameter type-id='745b39e8' name='mode1' filepath='drivers/gpu/drm/drm_modes.c' line='1024' column='1'/>
+ <parameter type-id='745b39e8' name='mode2' filepath='drivers/gpu/drm/drm_modes.c' line='1025' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_mode_equal_no_clocks' mangled-name='drm_mode_equal_no_clocks' filepath='drivers/gpu/drm/drm_modes.c' line='1047' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_equal_no_clocks'>
+ <parameter type-id='745b39e8' name='mode1' filepath='drivers/gpu/drm/drm_modes.c' line='1047' column='1'/>
+ <parameter type-id='745b39e8' name='mode2' filepath='drivers/gpu/drm/drm_modes.c' line='1048' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_mode_find_dmt' mangled-name='drm_mode_find_dmt' filepath='drivers/gpu/drm/drm_edid.c' line='2226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_find_dmt'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_edid.c' line='2226' column='1'/>
+ <parameter type-id='95e97e5e' name='hsize' filepath='drivers/gpu/drm/drm_edid.c' line='2227' column='1'/>
+ <parameter type-id='95e97e5e' name='vsize' filepath='drivers/gpu/drm/drm_edid.c' line='2227' column='1'/>
+ <parameter type-id='95e97e5e' name='fresh' filepath='drivers/gpu/drm/drm_edid.c' line='2227' column='1'/>
+ <parameter type-id='b50a4934' name='rb' filepath='drivers/gpu/drm/drm_edid.c' line='2228' column='1'/>
+ <return type-id='11e02f83'/>
+ </function-decl>
+ <function-decl name='drm_mode_get_tile_group' mangled-name='drm_mode_get_tile_group' filepath='drivers/gpu/drm/drm_connector.c' line='2507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_get_tile_group'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_connector.c' line='2507' column='1'/>
+ <parameter type-id='80f4b756' name='topology' filepath='drivers/gpu/drm/drm_connector.c' line='2508' column='1'/>
+ <return type-id='c6c44b9f'/>
+ </function-decl>
+ <function-decl name='drm_mode_is_420' mangled-name='drm_mode_is_420' filepath='drivers/gpu/drm/drm_modes.c' line='2071' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_is_420'>
+ <parameter type-id='f3b1f9bd' name='display' filepath='drivers/gpu/drm/drm_modes.c' line='2071' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='2072' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_mode_is_420_also' mangled-name='drm_mode_is_420_also' filepath='drivers/gpu/drm/drm_modes.c' line='2052' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_is_420_also'>
+ <parameter type-id='f3b1f9bd' name='display' filepath='drivers/gpu/drm/drm_modes.c' line='2052' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='2053' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_mode_is_420_only' mangled-name='drm_mode_is_420_only' filepath='drivers/gpu/drm/drm_modes.c' line='2032' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_is_420_only'>
+ <parameter type-id='f3b1f9bd' name='display' filepath='drivers/gpu/drm/drm_modes.c' line='2032' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='2033' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_mode_match' mangled-name='drm_mode_match' filepath='drivers/gpu/drm/drm_modes.c' line='980' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_match'>
+ <parameter type-id='745b39e8' name='mode1' filepath='drivers/gpu/drm/drm_modes.c' line='980' column='1'/>
+ <parameter type-id='745b39e8' name='mode2' filepath='drivers/gpu/drm/drm_modes.c' line='981' column='1'/>
+ <parameter type-id='f0981eeb' name='match_flags' filepath='drivers/gpu/drm/drm_modes.c' line='982' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_mode_object_find' mangled-name='drm_mode_object_find' filepath='drivers/gpu/drm/drm_mode_object.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_object_find'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_object.c' line='173' column='1'/>
+ <parameter type-id='9e99ecc1' name='file_priv' filepath='drivers/gpu/drm/drm_mode_object.c' line='174' column='1'/>
+ <parameter type-id='8f92235e' name='id' filepath='drivers/gpu/drm/drm_mode_object.c' line='175' column='1'/>
+ <parameter type-id='8f92235e' name='type' filepath='drivers/gpu/drm/drm_mode_object.c' line='175' column='1'/>
+ <return type-id='c5417630'/>
+ </function-decl>
+ <function-decl name='drm_mode_object_get' mangled-name='drm_mode_object_get' filepath='drivers/gpu/drm/drm_mode_object.c' line='209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_object_get'>
+ <parameter type-id='c5417630' name='obj' filepath='drivers/gpu/drm/drm_mode_object.c' line='209' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_object_put' mangled-name='drm_mode_object_put' filepath='drivers/gpu/drm/drm_mode_object.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_object_put'>
+ <parameter type-id='c5417630' name='obj' filepath='drivers/gpu/drm/drm_mode_object.c' line='192' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_probed_add' mangled-name='drm_mode_probed_add' filepath='drivers/gpu/drm/drm_modes.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_probed_add'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_modes.c' line='107' column='1'/>
+ <parameter type-id='11e02f83' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='108' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_prune_invalid' mangled-name='drm_mode_prune_invalid' filepath='drivers/gpu/drm/drm_modes.c' line='1260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_prune_invalid'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='1260' column='1'/>
+ <parameter type-id='e84b031a' name='mode_list' filepath='drivers/gpu/drm/drm_modes.c' line='1261' column='1'/>
+ <parameter type-id='b50a4934' name='verbose' filepath='drivers/gpu/drm/drm_modes.c' line='1261' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_set_crtcinfo' mangled-name='drm_mode_set_crtcinfo' filepath='drivers/gpu/drm/drm_modes.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_set_crtcinfo'>
+ <parameter type-id='11e02f83' name='p' filepath='drivers/gpu/drm/drm_modes.c' line='814' column='1'/>
+ <parameter type-id='95e97e5e' name='adjust_flags' filepath='drivers/gpu/drm/drm_modes.c' line='814' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_set_name' mangled-name='drm_mode_set_name' filepath='drivers/gpu/drm/drm_modes.c' line='740' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_set_name'>
+ <parameter type-id='11e02f83' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='740' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_sort' mangled-name='drm_mode_sort' filepath='drivers/gpu/drm/drm_modes.c' line='1321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_sort'>
+ <parameter type-id='e84b031a' name='mode_list' filepath='drivers/gpu/drm/drm_modes.c' line='1321' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_mode_validate_driver' mangled-name='drm_mode_validate_driver' filepath='drivers/gpu/drm/drm_modes.c' line='1120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_validate_driver'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modes.c' line='1120' column='1'/>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='1121' column='1'/>
+ <return type-id='4fb62cb0'/>
+ </function-decl>
+ <function-decl name='drm_mode_validate_size' mangled-name='drm_mode_validate_size' filepath='drivers/gpu/drm/drm_modes.c' line='1151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_validate_size'>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='1151' column='1'/>
+ <parameter type-id='95e97e5e' name='maxX' filepath='drivers/gpu/drm/drm_modes.c' line='1152' column='1'/>
+ <parameter type-id='95e97e5e' name='maxY' filepath='drivers/gpu/drm/drm_modes.c' line='1152' column='1'/>
+ <return type-id='4fb62cb0'/>
+ </function-decl>
+ <function-decl name='drm_mode_validate_ycbcr420' mangled-name='drm_mode_validate_ycbcr420' filepath='drivers/gpu/drm/drm_modes.c' line='1176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_validate_ycbcr420'>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='1176' column='1'/>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_modes.c' line='1177' column='1'/>
+ <return type-id='4fb62cb0'/>
+ </function-decl>
+ <function-decl name='drm_mode_vrefresh' mangled-name='drm_mode_vrefresh' filepath='drivers/gpu/drm/drm_modes.c' line='758' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_mode_vrefresh'>
+ <parameter type-id='745b39e8' name='mode' filepath='drivers/gpu/drm/drm_modes.c' line='758' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_modeset_acquire_fini' mangled-name='drm_modeset_acquire_fini' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_acquire_fini'>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='214' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_modeset_acquire_init' mangled-name='drm_modeset_acquire_init' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_acquire_init'>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='198' column='1'/>
+ <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='199' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_modeset_backoff' mangled-name='drm_modeset_backoff' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_backoff'>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='294' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_modeset_drop_locks' mangled-name='drm_modeset_drop_locks' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_drop_locks'>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='226' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_modeset_lock' mangled-name='drm_modeset_lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock'>
+ <parameter type-id='b4b06bb8' name='lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='338' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='339' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_modeset_lock_all' mangled-name='drm_modeset_lock_all' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock_all'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='95' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_modeset_lock_all_ctx' mangled-name='drm_modeset_lock_all_ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock_all_ctx'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='395' column='1'/>
+ <parameter type-id='d1499e71' name='ctx' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='396' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_modeset_lock_init' mangled-name='drm_modeset_lock_init' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_lock_init'>
+ <parameter type-id='b4b06bb8' name='lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='313' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_modeset_unlock' mangled-name='drm_modeset_unlock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_unlock'>
+ <parameter type-id='b4b06bb8' name='lock' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='368' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_modeset_unlock_all' mangled-name='drm_modeset_unlock_all' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_modeset_unlock_all'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_modeset_lock.c' line='149' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_need_swiotlb' mangled-name='drm_need_swiotlb' filepath='drivers/gpu/drm/drm_memory.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_need_swiotlb'>
+ <parameter type-id='95e97e5e' name='dma_bits' filepath='drivers/gpu/drm/drm_memory.c' line='160' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_object_attach_property' mangled-name='drm_object_attach_property' filepath='drivers/gpu/drm/drm_mode_object.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_object_attach_property'>
+ <parameter type-id='c5417630' name='obj' filepath='drivers/gpu/drm/drm_mode_object.c' line='231' column='1'/>
+ <parameter type-id='26ea5d4c' name='property' filepath='drivers/gpu/drm/drm_mode_object.c' line='232' column='1'/>
+ <parameter type-id='9c313c2d' name='init_val' filepath='drivers/gpu/drm/drm_mode_object.c' line='233' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_object_property_set_value' mangled-name='drm_object_property_set_value' filepath='drivers/gpu/drm/drm_mode_object.c' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_object_property_set_value'>
+ <parameter type-id='c5417630' name='obj' filepath='drivers/gpu/drm/drm_mode_object.c' line='281' column='1'/>
+ <parameter type-id='26ea5d4c' name='property' filepath='drivers/gpu/drm/drm_mode_object.c' line='282' column='1'/>
+ <parameter type-id='9c313c2d' name='val' filepath='drivers/gpu/drm/drm_mode_object.c' line='282' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_of_component_match_add' mangled-name='drm_of_component_match_add' filepath='drivers/gpu/drm/drm_of.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_component_match_add'>
+ <parameter type-id='fa0b179b' name='master' filepath='drivers/gpu/drm/drm_of.c' line='91' column='1'/>
+ <parameter type-id='3630c5f2' name='matchptr' filepath='drivers/gpu/drm/drm_of.c' line='92' column='1'/>
+ <parameter type-id='92d15ae9' name='compare' filepath='drivers/gpu/drm/drm_of.c' line='93' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/gpu/drm/drm_of.c' line='94' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_of_crtc_port_mask' mangled-name='drm_of_crtc_port_mask' filepath='drivers/gpu/drm/drm_of.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_crtc_port_mask'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_of.c' line='34' column='1'/>
+ <parameter type-id='9a537bbe' name='port' filepath='drivers/gpu/drm/drm_of.c' line='35' column='1'/>
+ <return type-id='8f92235e'/>
+ </function-decl>
+ <function-decl name='drm_of_encoder_active_endpoint' mangled-name='drm_of_encoder_active_endpoint' filepath='drivers/gpu/drm/drm_of.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_encoder_active_endpoint'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/gpu/drm/drm_of.c' line='196' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_of.c' line='197' column='1'/>
+ <parameter type-id='a5eb3c12' name='endpoint' filepath='drivers/gpu/drm/drm_of.c' line='198' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_of_find_panel_or_bridge' mangled-name='drm_of_find_panel_or_bridge' filepath='drivers/gpu/drm/drm_of.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_find_panel_or_bridge'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/gpu/drm/drm_of.c' line='236' column='1'/>
+ <parameter type-id='95e97e5e' name='port' filepath='drivers/gpu/drm/drm_of.c' line='237' column='1'/>
+ <parameter type-id='95e97e5e' name='endpoint' filepath='drivers/gpu/drm/drm_of.c' line='237' column='1'/>
+ <parameter type-id='ef04c267' name='panel' filepath='drivers/gpu/drm/drm_of.c' line='238' column='1'/>
+ <parameter type-id='f30fb6b2' name='bridge' filepath='drivers/gpu/drm/drm_of.c' line='239' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_of_find_possible_crtcs' mangled-name='drm_of_find_possible_crtcs' filepath='drivers/gpu/drm/drm_of.c' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_of_find_possible_crtcs'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_of.c' line='62' column='1'/>
+ <parameter type-id='9a537bbe' name='port' filepath='drivers/gpu/drm/drm_of.c' line='63' column='1'/>
+ <return type-id='8f92235e'/>
+ </function-decl>
+ <function-decl name='drm_open' mangled-name='drm_open' filepath='drivers/gpu/drm/drm_file.c' line='409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_open'>
+ <parameter type-id='7e666abe' name='inode' filepath='drivers/gpu/drm/drm_file.c' line='409' column='1'/>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='409' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_panel_add' mangled-name='drm_panel_add' filepath='drivers/gpu/drm/drm_panel.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_add'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='74' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_panel_bridge_add_typed' mangled-name='drm_panel_bridge_add_typed' filepath='drivers/gpu/drm/bridge/panel.c' line='201' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_bridge_add_typed'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/bridge/panel.c' line='201' column='1'/>
+ <parameter type-id='19c2251e' name='connector_type' filepath='drivers/gpu/drm/bridge/panel.c' line='202' column='1'/>
+ <return type-id='8582e5ec'/>
+ </function-decl>
+ <function-decl name='drm_panel_bridge_connector' mangled-name='drm_panel_bridge_connector' filepath='drivers/gpu/drm/bridge/panel.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_bridge_connector'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/bridge/panel.c' line='326' column='1'/>
+ <return type-id='4db02c58'/>
+ </function-decl>
+ <function-decl name='drm_panel_bridge_remove' mangled-name='drm_panel_bridge_remove' filepath='drivers/gpu/drm/bridge/panel.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_bridge_remove'>
+ <parameter type-id='8582e5ec' name='bridge' filepath='drivers/gpu/drm/bridge/panel.c' line='236' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_panel_disable' mangled-name='drm_panel_disable' filepath='drivers/gpu/drm/drm_panel.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_disable'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='183' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_panel_enable' mangled-name='drm_panel_enable' filepath='drivers/gpu/drm/drm_panel.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_enable'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='151' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_panel_get_modes' mangled-name='drm_panel_get_modes' filepath='drivers/gpu/drm/drm_panel.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_get_modes'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='213' column='1'/>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_panel.c' line='214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_panel_init' mangled-name='drm_panel_init' filepath='drivers/gpu/drm/drm_panel.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_init'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='57' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/drm_panel.c' line='57' column='1'/>
+ <parameter type-id='cda6c21a' name='funcs' filepath='drivers/gpu/drm/drm_panel.c' line='58' column='1'/>
+ <parameter type-id='95e97e5e' name='connector_type' filepath='drivers/gpu/drm/drm_panel.c' line='58' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_panel_of_backlight' mangled-name='drm_panel_of_backlight' filepath='drivers/gpu/drm/drm_panel.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_of_backlight'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='329' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_panel_prepare' mangled-name='drm_panel_prepare' filepath='drivers/gpu/drm/drm_panel.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_prepare'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='106' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_panel_remove' mangled-name='drm_panel_remove' filepath='drivers/gpu/drm/drm_panel.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_remove'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='88' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_panel_unprepare' mangled-name='drm_panel_unprepare' filepath='drivers/gpu/drm/drm_panel.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_panel_unprepare'>
+ <parameter type-id='c5491077' name='panel' filepath='drivers/gpu/drm/drm_panel.c' line='129' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_plane_cleanup' mangled-name='drm_plane_cleanup' filepath='drivers/gpu/drm/drm_plane.c' line='365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_cleanup'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_plane.c' line='365' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_plane_create_alpha_property' mangled-name='drm_plane_create_alpha_property' filepath='drivers/gpu/drm/drm_blend.c' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_alpha_property'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='212' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_plane_create_blend_mode_property' mangled-name='drm_plane_create_blend_mode_property' filepath='drivers/gpu/drm/drm_blend.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_blend_mode_property'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='565' column='1'/>
+ <parameter type-id='f0981eeb' name='supported_modes' filepath='drivers/gpu/drm/drm_blend.c' line='566' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_plane_create_color_properties' mangled-name='drm_plane_create_color_properties' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='416' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_color_properties'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='416' column='1'/>
+ <parameter type-id='19c2251e' name='supported_encodings' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='417' column='1'/>
+ <parameter type-id='19c2251e' name='supported_ranges' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='418' column='1'/>
+ <parameter type-id='e57e5f2b' name='default_encoding' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='419' column='1'/>
+ <parameter type-id='322e1b47' name='default_range' filepath='drivers/gpu/drm/drm_color_mgmt.c' line='420' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_plane_create_rotation_property' mangled-name='drm_plane_create_rotation_property' filepath='drivers/gpu/drm/drm_blend.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_rotation_property'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='265' column='1'/>
+ <parameter type-id='f0981eeb' name='rotation' filepath='drivers/gpu/drm/drm_blend.c' line='266' column='1'/>
+ <parameter type-id='f0981eeb' name='supported_rotations' filepath='drivers/gpu/drm/drm_blend.c' line='267' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_plane_create_zpos_immutable_property' mangled-name='drm_plane_create_zpos_immutable_property' filepath='drivers/gpu/drm/drm_blend.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_zpos_immutable_property'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='401' column='1'/>
+ <parameter type-id='f0981eeb' name='zpos' filepath='drivers/gpu/drm/drm_blend.c' line='402' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_plane_create_zpos_property' mangled-name='drm_plane_create_zpos_property' filepath='drivers/gpu/drm/drm_blend.c' line='362' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_create_zpos_property'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_blend.c' line='362' column='1'/>
+ <parameter type-id='f0981eeb' name='zpos' filepath='drivers/gpu/drm/drm_blend.c' line='363' column='1'/>
+ <parameter type-id='f0981eeb' name='min' filepath='drivers/gpu/drm/drm_blend.c' line='364' column='1'/>
+ <parameter type-id='f0981eeb' name='max' filepath='drivers/gpu/drm/drm_blend.c' line='364' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_plane_enable_fb_damage_clips' mangled-name='drm_plane_enable_fb_damage_clips' filepath='drivers/gpu/drm/drm_damage_helper.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_plane_enable_fb_damage_clips'>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_damage_helper.c' line='96' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_poll' mangled-name='drm_poll' filepath='drivers/gpu/drm/drm_file.c' line='653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_poll'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='653' column='1'/>
+ <parameter type-id='f0acc909' name='wait' filepath='drivers/gpu/drm/drm_file.c' line='653' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
+ <function-decl name='drm_prime_gem_destroy' mangled-name='drm_prime_gem_destroy' filepath='drivers/gpu/drm/drm_prime.c' line='1054' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_gem_destroy'>
+ <parameter type-id='abd62a96' name='obj' filepath='drivers/gpu/drm/drm_prime.c' line='1054' column='1'/>
+ <parameter type-id='4adb0e6a' name='sg' filepath='drivers/gpu/drm/drm_prime.c' line='1054' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_prime_get_contiguous_size' mangled-name='drm_prime_get_contiguous_size' filepath='drivers/gpu/drm/drm_prime.c' line='867' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_get_contiguous_size'>
+ <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_prime.c' line='867' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='drm_prime_pages_to_sg' mangled-name='drm_prime_pages_to_sg' filepath='drivers/gpu/drm/drm_prime.c' line='830' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_pages_to_sg'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_prime.c' line='830' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='drivers/gpu/drm/drm_prime.c' line='831' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_pages' filepath='drivers/gpu/drm/drm_prime.c' line='831' column='1'/>
+ <return type-id='4adb0e6a'/>
+ </function-decl>
+ <function-decl name='drm_prime_sg_to_page_addr_arrays' mangled-name='drm_prime_sg_to_page_addr_arrays' filepath='drivers/gpu/drm/drm_prime.c' line='1019' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_prime_sg_to_page_addr_arrays'>
+ <parameter type-id='4adb0e6a' name='sgt' filepath='drivers/gpu/drm/drm_prime.c' line='1019' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='drivers/gpu/drm/drm_prime.c' line='1019' column='1'/>
+ <parameter type-id='e835b5d8' name='addrs' filepath='drivers/gpu/drm/drm_prime.c' line='1020' column='1'/>
+ <parameter type-id='95e97e5e' name='max_entries' filepath='drivers/gpu/drm/drm_prime.c' line='1020' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_printf' mangled-name='drm_printf' filepath='drivers/gpu/drm/drm_print.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_printf'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='197' column='1'/>
+ <parameter type-id='80f4b756' name='f' filepath='drivers/gpu/drm/drm_print.c' line='197' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_property_blob_get' mangled-name='drm_property_blob_get' filepath='drivers/gpu/drm/drm_property.c' line='634' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_blob_get'>
+ <parameter type-id='c4126d52' name='blob' filepath='drivers/gpu/drm/drm_property.c' line='634' column='1'/>
+ <return type-id='c4126d52'/>
+ </function-decl>
+ <function-decl name='drm_property_blob_put' mangled-name='drm_property_blob_put' filepath='drivers/gpu/drm/drm_property.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_blob_put'>
+ <parameter type-id='c4126d52' name='blob' filepath='drivers/gpu/drm/drm_property.c' line='603' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_property_create' mangled-name='drm_property_create' filepath='drivers/gpu/drm/drm_property.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='96' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='97' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='97' column='1'/>
+ <parameter type-id='95e97e5e' name='num_values' filepath='drivers/gpu/drm/drm_property.c' line='98' column='1'/>
+ <return type-id='26ea5d4c'/>
+ </function-decl>
+ <function-decl name='drm_property_create_bitmask' mangled-name='drm_property_create_bitmask' filepath='drivers/gpu/drm/drm_property.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_bitmask'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='210' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='211' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='211' column='1'/>
+ <parameter type-id='b807105c' name='props' filepath='drivers/gpu/drm/drm_property.c' line='212' column='1'/>
+ <parameter type-id='95e97e5e' name='num_props' filepath='drivers/gpu/drm/drm_property.c' line='213' column='1'/>
+ <parameter type-id='9c313c2d' name='supported_bits' filepath='drivers/gpu/drm/drm_property.c' line='214' column='1'/>
+ <return type-id='26ea5d4c'/>
+ </function-decl>
+ <function-decl name='drm_property_create_blob' mangled-name='drm_property_create_blob' filepath='drivers/gpu/drm/drm_property.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_blob'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='558' column='1'/>
+ <parameter type-id='b59d7dce' name='length' filepath='drivers/gpu/drm/drm_property.c' line='558' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_property.c' line='559' column='1'/>
+ <return type-id='c4126d52'/>
+ </function-decl>
+ <function-decl name='drm_property_create_bool' mangled-name='drm_property_create_bool' filepath='drivers/gpu/drm/drm_property.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_bool'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='369' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='370' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='370' column='1'/>
+ <return type-id='26ea5d4c'/>
+ </function-decl>
+ <function-decl name='drm_property_create_enum' mangled-name='drm_property_create_enum' filepath='drivers/gpu/drm/drm_property.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_enum'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='162' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='163' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='163' column='1'/>
+ <parameter type-id='b807105c' name='props' filepath='drivers/gpu/drm/drm_property.c' line='164' column='1'/>
+ <parameter type-id='95e97e5e' name='num_values' filepath='drivers/gpu/drm/drm_property.c' line='165' column='1'/>
+ <return type-id='26ea5d4c'/>
+ </function-decl>
+ <function-decl name='drm_property_create_object' mangled-name='drm_property_create_object' filepath='drivers/gpu/drm/drm_property.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_object'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='332' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='333' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='333' column='1'/>
+ <parameter type-id='8f92235e' name='type' filepath='drivers/gpu/drm/drm_property.c' line='334' column='1'/>
+ <return type-id='26ea5d4c'/>
+ </function-decl>
+ <function-decl name='drm_property_create_range' mangled-name='drm_property_create_range' filepath='drivers/gpu/drm/drm_property.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_range'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='277' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='278' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='278' column='1'/>
+ <parameter type-id='9c313c2d' name='min' filepath='drivers/gpu/drm/drm_property.c' line='279' column='1'/>
+ <parameter type-id='9c313c2d' name='max' filepath='drivers/gpu/drm/drm_property.c' line='279' column='1'/>
+ <return type-id='26ea5d4c'/>
+ </function-decl>
+ <function-decl name='drm_property_create_signed_range' mangled-name='drm_property_create_signed_range' filepath='drivers/gpu/drm/drm_property.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_create_signed_range'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='305' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/gpu/drm/drm_property.c' line='306' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_property.c' line='306' column='1'/>
+ <parameter type-id='9da381c4' name='min' filepath='drivers/gpu/drm/drm_property.c' line='307' column='1'/>
+ <parameter type-id='9da381c4' name='max' filepath='drivers/gpu/drm/drm_property.c' line='307' column='1'/>
+ <return type-id='26ea5d4c'/>
+ </function-decl>
+ <function-decl name='drm_property_destroy' mangled-name='drm_property_destroy' filepath='drivers/gpu/drm/drm_property.c' line='442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_destroy'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='442' column='1'/>
+ <parameter type-id='26ea5d4c' name='property' filepath='drivers/gpu/drm/drm_property.c' line='442' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_property_lookup_blob' mangled-name='drm_property_lookup_blob' filepath='drivers/gpu/drm/drm_property.c' line='653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_lookup_blob'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='653' column='1'/>
+ <parameter type-id='8f92235e' name='id' filepath='drivers/gpu/drm/drm_property.c' line='654' column='1'/>
+ <return type-id='c4126d52'/>
+ </function-decl>
+ <function-decl name='drm_property_replace_blob' mangled-name='drm_property_replace_blob' filepath='drivers/gpu/drm/drm_property.c' line='741' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_replace_blob'>
+ <parameter type-id='210253e8' name='blob' filepath='drivers/gpu/drm/drm_property.c' line='741' column='1'/>
+ <parameter type-id='c4126d52' name='new_blob' filepath='drivers/gpu/drm/drm_property.c' line='742' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_property_replace_global_blob' mangled-name='drm_property_replace_global_blob' filepath='drivers/gpu/drm/drm_property.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_property_replace_global_blob'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_property.c' line='693' column='1'/>
+ <parameter type-id='210253e8' name='replace' filepath='drivers/gpu/drm/drm_property.c' line='694' column='1'/>
+ <parameter type-id='b59d7dce' name='length' filepath='drivers/gpu/drm/drm_property.c' line='695' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_property.c' line='696' column='1'/>
+ <parameter type-id='c5417630' name='obj_holds_id' filepath='drivers/gpu/drm/drm_property.c' line='697' column='1'/>
+ <parameter type-id='26ea5d4c' name='prop_holds_id' filepath='drivers/gpu/drm/drm_property.c' line='698' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_puts' mangled-name='drm_puts' filepath='drivers/gpu/drm/drm_print.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_puts'>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_print.c' line='183' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='drivers/gpu/drm/drm_print.c' line='183' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_read' mangled-name='drm_read' filepath='drivers/gpu/drm/drm_file.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_read'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='568' column='1'/>
+ <parameter type-id='26a90f95' name='buffer' filepath='drivers/gpu/drm/drm_file.c' line='568' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='drivers/gpu/drm/drm_file.c' line='569' column='1'/>
+ <parameter type-id='b53e8dbb' name='offset' filepath='drivers/gpu/drm/drm_file.c' line='569' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='drm_rect_calc_hscale' mangled-name='drm_rect_calc_hscale' filepath='drivers/gpu/drm/drm_rect.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_calc_hscale'>
+ <parameter type-id='7d69a4de' name='src' filepath='drivers/gpu/drm/drm_rect.c' line='169' column='1'/>
+ <parameter type-id='7d69a4de' name='dst' filepath='drivers/gpu/drm/drm_rect.c' line='170' column='1'/>
+ <parameter type-id='95e97e5e' name='min_hscale' filepath='drivers/gpu/drm/drm_rect.c' line='171' column='1'/>
+ <parameter type-id='95e97e5e' name='max_hscale' filepath='drivers/gpu/drm/drm_rect.c' line='171' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_rect_calc_vscale' mangled-name='drm_rect_calc_vscale' filepath='drivers/gpu/drm/drm_rect.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_calc_vscale'>
+ <parameter type-id='7d69a4de' name='src' filepath='drivers/gpu/drm/drm_rect.c' line='204' column='1'/>
+ <parameter type-id='7d69a4de' name='dst' filepath='drivers/gpu/drm/drm_rect.c' line='205' column='1'/>
+ <parameter type-id='95e97e5e' name='min_vscale' filepath='drivers/gpu/drm/drm_rect.c' line='206' column='1'/>
+ <parameter type-id='95e97e5e' name='max_vscale' filepath='drivers/gpu/drm/drm_rect.c' line='206' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_rect_clip_scaled' mangled-name='drm_rect_clip_scaled' filepath='drivers/gpu/drm/drm_rect.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_clip_scaled'>
+ <parameter type-id='c91d6c11' name='src' filepath='drivers/gpu/drm/drm_rect.c' line='92' column='1'/>
+ <parameter type-id='c91d6c11' name='dst' filepath='drivers/gpu/drm/drm_rect.c' line='92' column='1'/>
+ <parameter type-id='7d69a4de' name='clip' filepath='drivers/gpu/drm/drm_rect.c' line='93' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_rect_intersect' mangled-name='drm_rect_intersect' filepath='drivers/gpu/drm/drm_rect.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rect_intersect'>
+ <parameter type-id='c91d6c11' name='r1' filepath='drivers/gpu/drm/drm_rect.c' line='44' column='1'/>
+ <parameter type-id='7d69a4de' name='r2' filepath='drivers/gpu/drm/drm_rect.c' line='44' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_release' mangled-name='drm_release' filepath='drivers/gpu/drm/drm_file.c' line='483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_release'>
+ <parameter type-id='7e666abe' name='inode' filepath='drivers/gpu/drm/drm_file.c' line='483' column='1'/>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/drm_file.c' line='483' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_rotation_simplify' mangled-name='drm_rotation_simplify' filepath='drivers/gpu/drm/drm_blend.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_rotation_simplify'>
+ <parameter type-id='f0981eeb' name='rotation' filepath='drivers/gpu/drm/drm_blend.c' line='318' column='1'/>
+ <parameter type-id='f0981eeb' name='supported_rotations' filepath='drivers/gpu/drm/drm_blend.c' line='319' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='drm_scdc_read' mangled-name='drm_scdc_read' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_read'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1'/>
+ <parameter type-id='f9b06939' name='offset' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='53' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='54' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='drm_scdc_set_high_tmds_clock_ratio' mangled-name='drm_scdc_set_high_tmds_clock_ratio' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='219' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_set_high_tmds_clock_ratio'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='219' column='1'/>
+ <parameter type-id='b50a4934' name='set' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='219' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_scdc_set_scrambling' mangled-name='drm_scdc_set_scrambling' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_set_scrambling'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='164' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='164' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_scdc_write' mangled-name='drm_scdc_write' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_scdc_write'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='93' column='1'/>
+ <parameter type-id='f9b06939' name='offset' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='93' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='94' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_scdc_helper.c' line='94' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='drm_self_refresh_helper_alter_state' mangled-name='drm_self_refresh_helper_alter_state' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_self_refresh_helper_alter_state'>
+ <parameter type-id='e3dd029e' name='state' filepath='drivers/gpu/drm/drm_self_refresh_helper.c' line='187' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_send_event' mangled-name='drm_send_event' filepath='drivers/gpu/drm/drm_file.c' line='878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_send_event'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='878' column='1'/>
+ <parameter type-id='16ab0351' name='e' filepath='drivers/gpu/drm/drm_file.c' line='878' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_send_event_locked' mangled-name='drm_send_event_locked' filepath='drivers/gpu/drm/drm_file.c' line='857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_send_event_locked'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_file.c' line='857' column='1'/>
+ <parameter type-id='16ab0351' name='e' filepath='drivers/gpu/drm/drm_file.c' line='857' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_set_preferred_mode' mangled-name='drm_set_preferred_mode' filepath='drivers/gpu/drm/drm_edid.c' line='5453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_set_preferred_mode'>
+ <parameter type-id='4db02c58' name='connector' filepath='drivers/gpu/drm/drm_edid.c' line='5453' column='1'/>
+ <parameter type-id='95e97e5e' name='hpref' filepath='drivers/gpu/drm/drm_edid.c' line='5454' column='1'/>
+ <parameter type-id='95e97e5e' name='vpref' filepath='drivers/gpu/drm/drm_edid.c' line='5454' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_simple_encoder_init' mangled-name='drm_simple_encoder_init' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_simple_encoder_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='64' column='1'/>
+ <parameter type-id='74d89ebd' name='encoder' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='65' column='1'/>
+ <parameter type-id='95e97e5e' name='encoder_type' filepath='drivers/gpu/drm/drm_simple_kms_helper.c' line='66' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_state_dump' mangled-name='drm_state_dump' filepath='drivers/gpu/drm/drm_atomic.c' line='1622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_state_dump'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_atomic.c' line='1622' column='1'/>
+ <parameter type-id='7ac48c21' name='p' filepath='drivers/gpu/drm/drm_atomic.c' line='1622' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_add_point' mangled-name='drm_syncobj_add_point' filepath='drivers/gpu/drm/drm_syncobj.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_add_point'>
+ <parameter type-id='919f23a5' name='syncobj' filepath='drivers/gpu/drm/drm_syncobj.c' line='285' column='1'/>
+ <parameter type-id='e7ca900d' name='chain' filepath='drivers/gpu/drm/drm_syncobj.c' line='286' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='287' column='1'/>
+ <parameter type-id='9c313c2d' name='point' filepath='drivers/gpu/drm/drm_syncobj.c' line='288' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_create' mangled-name='drm_syncobj_create' filepath='drivers/gpu/drm/drm_syncobj.c' line='469' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_create'>
+ <parameter type-id='cc84fa1d' name='out_syncobj' filepath='drivers/gpu/drm/drm_syncobj.c' line='469' column='1'/>
+ <parameter type-id='8f92235e' name='flags' filepath='drivers/gpu/drm/drm_syncobj.c' line='469' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='470' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_find' mangled-name='drm_syncobj_find' filepath='drivers/gpu/drm/drm_syncobj.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_find'>
+ <parameter type-id='9e99ecc1' name='file_private' filepath='drivers/gpu/drm/drm_syncobj.c' line='222' column='1'/>
+ <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_syncobj.c' line='223' column='1'/>
+ <return type-id='919f23a5'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_find_fence' mangled-name='drm_syncobj_find_fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_find_fence'>
+ <parameter type-id='9e99ecc1' name='file_private' filepath='drivers/gpu/drm/drm_syncobj.c' line='378' column='1'/>
+ <parameter type-id='19c2251e' name='handle' filepath='drivers/gpu/drm/drm_syncobj.c' line='379' column='1'/>
+ <parameter type-id='91ce1af9' name='point' filepath='drivers/gpu/drm/drm_syncobj.c' line='379' column='1'/>
+ <parameter type-id='91ce1af9' name='flags' filepath='drivers/gpu/drm/drm_syncobj.c' line='379' column='1'/>
+ <parameter type-id='be937eab' name='fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='380' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_free' mangled-name='drm_syncobj_free' filepath='drivers/gpu/drm/drm_syncobj.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_free'>
+ <parameter type-id='aa29ecab' name='kref' filepath='drivers/gpu/drm/drm_syncobj.c' line='447' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_get_fd' mangled-name='drm_syncobj_get_fd' filepath='drivers/gpu/drm/drm_syncobj.c' line='581' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_get_fd'>
+ <parameter type-id='919f23a5' name='syncobj' filepath='drivers/gpu/drm/drm_syncobj.c' line='581' column='1'/>
+ <parameter type-id='7292109c' name='p_fd' filepath='drivers/gpu/drm/drm_syncobj.c' line='581' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_get_handle' mangled-name='drm_syncobj_get_handle' filepath='drivers/gpu/drm/drm_syncobj.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_get_handle'>
+ <parameter type-id='9e99ecc1' name='file_private' filepath='drivers/gpu/drm/drm_syncobj.c' line='504' column='1'/>
+ <parameter type-id='919f23a5' name='syncobj' filepath='drivers/gpu/drm/drm_syncobj.c' line='505' column='1'/>
+ <parameter type-id='f9409001' name='handle' filepath='drivers/gpu/drm/drm_syncobj.c' line='505' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_syncobj_replace_fence' mangled-name='drm_syncobj_replace_fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_syncobj_replace_fence'>
+ <parameter type-id='919f23a5' name='syncobj' filepath='drivers/gpu/drm/drm_syncobj.c' line='321' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/drm_syncobj.c' line='322' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_sysfs_hotplug_event' mangled-name='drm_sysfs_hotplug_event' filepath='drivers/gpu/drm/drm_sysfs.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_sysfs_hotplug_event'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_sysfs.c' line='336' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_universal_plane_init' mangled-name='drm_universal_plane_init' filepath='drivers/gpu/drm/drm_plane.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_universal_plane_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_plane.c' line='173' column='1'/>
+ <parameter type-id='a6711537' name='plane' filepath='drivers/gpu/drm/drm_plane.c' line='173' column='1'/>
+ <parameter type-id='8f92235e' name='possible_crtcs' filepath='drivers/gpu/drm/drm_plane.c' line='174' column='1'/>
+ <parameter type-id='cfd5d066' name='funcs' filepath='drivers/gpu/drm/drm_plane.c' line='175' column='1'/>
+ <parameter type-id='a6798dcc' name='formats' filepath='drivers/gpu/drm/drm_plane.c' line='176' column='1'/>
+ <parameter type-id='f0981eeb' name='format_count' filepath='drivers/gpu/drm/drm_plane.c' line='176' column='1'/>
+ <parameter type-id='713a56f5' name='format_modifiers' filepath='drivers/gpu/drm/drm_plane.c' line='177' column='1'/>
+ <parameter type-id='5eed3c85' name='type' filepath='drivers/gpu/drm/drm_plane.c' line='178' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpu/drm/drm_plane.c' line='179' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_vblank_init' mangled-name='drm_vblank_init' filepath='drivers/gpu/drm/drm_vblank.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_vblank_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_vblank.c' line='517' column='1'/>
+ <parameter type-id='f0981eeb' name='num_crtcs' filepath='drivers/gpu/drm/drm_vblank.c' line='517' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_vma_node_allow' mangled-name='drm_vma_node_allow' filepath='drivers/gpu/drm/drm_vma_manager.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_vma_node_allow'>
+ <parameter type-id='e05b33b0' name='node' filepath='drivers/gpu/drm/drm_vma_manager.c' line='263' column='1'/>
+ <parameter type-id='9e99ecc1' name='tag' filepath='drivers/gpu/drm/drm_vma_manager.c' line='263' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_vma_node_is_allowed' mangled-name='drm_vma_node_is_allowed' filepath='drivers/gpu/drm/drm_vma_manager.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_vma_node_is_allowed'>
+ <parameter type-id='e05b33b0' name='node' filepath='drivers/gpu/drm/drm_vma_manager.c' line='366' column='1'/>
+ <parameter type-id='9e99ecc1' name='tag' filepath='drivers/gpu/drm/drm_vma_manager.c' line='367' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='drm_vma_node_revoke' mangled-name='drm_vma_node_revoke' filepath='drivers/gpu/drm/drm_vma_manager.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_vma_node_revoke'>
+ <parameter type-id='e05b33b0' name='node' filepath='drivers/gpu/drm/drm_vma_manager.c' line='325' column='1'/>
+ <parameter type-id='9e99ecc1' name='tag' filepath='drivers/gpu/drm/drm_vma_manager.c' line='326' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_wait_one_vblank' mangled-name='drm_wait_one_vblank' filepath='drivers/gpu/drm/drm_vblank.c' line='1240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_wait_one_vblank'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_vblank.c' line='1240' column='1'/>
+ <parameter type-id='f0981eeb' name='pipe' filepath='drivers/gpu/drm/drm_vblank.c' line='1240' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_writeback_connector_init' mangled-name='drm_writeback_connector_init' filepath='drivers/gpu/drm/drm_writeback.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_writeback_connector_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_writeback.c' line='173' column='1'/>
+ <parameter type-id='2944961d' name='wb_connector' filepath='drivers/gpu/drm/drm_writeback.c' line='174' column='1'/>
+ <parameter type-id='3fb29739' name='con_funcs' filepath='drivers/gpu/drm/drm_writeback.c' line='175' column='1'/>
+ <parameter type-id='32162fa7' name='enc_helper_funcs' filepath='drivers/gpu/drm/drm_writeback.c' line='176' column='1'/>
+ <parameter type-id='aded214c' name='formats' filepath='drivers/gpu/drm/drm_writeback.c' line='177' column='1'/>
+ <parameter type-id='95e97e5e' name='n_formats' filepath='drivers/gpu/drm/drm_writeback.c' line='177' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='drm_writeback_queue_job' mangled-name='drm_writeback_queue_job' filepath='drivers/gpu/drm/drm_writeback.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_writeback_queue_job'>
+ <parameter type-id='2944961d' name='wb_connector' filepath='drivers/gpu/drm/drm_writeback.c' line='299' column='1'/>
+ <parameter type-id='249ef586' name='conn_state' filepath='drivers/gpu/drm/drm_writeback.c' line='300' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drm_writeback_signal_completion' mangled-name='drm_writeback_signal_completion' filepath='drivers/gpu/drm/drm_writeback.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drm_writeback_signal_completion'>
+ <parameter type-id='2944961d' name='wb_connector' filepath='drivers/gpu/drm/drm_writeback.c' line='366' column='1'/>
+ <parameter type-id='95e97e5e' name='status' filepath='drivers/gpu/drm/drm_writeback.c' line='367' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='drmm_kmalloc' mangled-name='drmm_kmalloc' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drmm_kmalloc'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/gpu/drm/drm_managed.c' line='188' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='drmm_mode_config_init' mangled-name='drmm_mode_config_init' filepath='drivers/gpu/drm/drm_mode_config.c' line='399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='drmm_mode_config_init'>
+ <parameter type-id='8898134d' name='dev' filepath='drivers/gpu/drm/drm_mode_config.c' line='399' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dst_release' mangled-name='dst_release' filepath='net/core/dst.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dst_release'>
+ <parameter type-id='141b6427' name='dst' filepath='net/core/dst.c' line='169' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='dummy_irq_chip' type-id='0f5f7920' mangled-name='dummy_irq_chip' visibility='default' filepath='kernel/irq/dummychip.c' line='53' column='1' elf-symbol-id='dummy_irq_chip'/>
+ <function-decl name='dump_align' mangled-name='dump_align' filepath='fs/coredump.c' line='914' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_align'>
+ <parameter type-id='581abdef' name='cprm' filepath='fs/coredump.c' line='914' column='1'/>
+ <parameter type-id='95e97e5e' name='align' filepath='fs/coredump.c' line='914' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dump_backtrace' mangled-name='dump_backtrace' filepath='arch/arm64/kernel/stacktrace.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_backtrace'>
+ <parameter type-id='4616a179' name='regs' filepath='arch/arm64/kernel/stacktrace.c' line='140' column='1'/>
+ <parameter type-id='f23e2572' name='tsk' filepath='arch/arm64/kernel/stacktrace.c' line='140' column='1'/>
+ <parameter type-id='80f4b756' name='loglvl' filepath='arch/arm64/kernel/stacktrace.c' line='141' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dump_emit' mangled-name='dump_emit' filepath='fs/coredump.c' line='837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_emit'>
+ <parameter type-id='581abdef' name='cprm' filepath='fs/coredump.c' line='837' column='1'/>
+ <parameter type-id='eaa32e2f' name='addr' filepath='fs/coredump.c' line='837' column='1'/>
+ <parameter type-id='95e97e5e' name='nr' filepath='fs/coredump.c' line='837' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dump_stack' mangled-name='dump_stack' filepath='lib/dump_stack.c' line='133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dump_stack'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dup_iter' mangled-name='dup_iter' filepath='lib/iov_iter.c' line='1641' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dup_iter'>
+ <parameter type-id='4fa10f9e' name='new' filepath='lib/iov_iter.c' line='1641' column='1'/>
+ <parameter type-id='4fa10f9e' name='old' filepath='lib/iov_iter.c' line='1641' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='lib/iov_iter.c' line='1641' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='dw_handle_msi_irq' mangled-name='dw_handle_msi_irq' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_handle_msi_irq'>
+ <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='56' column='1'/>
+ <return type-id='4bdecfd7'/>
+ </function-decl>
+ <function-decl name='dw_pcie_ep_init' mangled-name='dw_pcie_ep_init' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_init'>
+ <parameter type-id='69a866d8' name='ep' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='678' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_ep_raise_legacy_irq' mangled-name='dw_pcie_ep_raise_legacy_irq' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='480' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_raise_legacy_irq'>
+ <parameter type-id='69a866d8' name='ep' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='480' column='1'/>
+ <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='480' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_ep_raise_msi_irq' mangled-name='dw_pcie_ep_raise_msi_irq' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_raise_msi_irq'>
+ <parameter type-id='69a866d8' name='ep' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='491' column='1'/>
+ <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='491' column='1'/>
+ <parameter type-id='f9b06939' name='interrupt_num' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='492' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_ep_raise_msix_irq' mangled-name='dw_pcie_ep_raise_msix_irq' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_raise_msix_irq'>
+ <parameter type-id='69a866d8' name='ep' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='562' column='1'/>
+ <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='562' column='1'/>
+ <parameter type-id='1dc6a898' name='interrupt_num' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='563' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_ep_reset_bar' mangled-name='dw_pcie_ep_reset_bar' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_ep_reset_bar'>
+ <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='76' column='1'/>
+ <parameter type-id='ba7a26c1' name='bar' filepath='drivers/pci/controller/dwc/pcie-designware-ep.c' line='76' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dw_pcie_find_capability' mangled-name='dw_pcie_find_capability' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_find_capability'>
+ <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='46' column='1'/>
+ <parameter type-id='f9b06939' name='cap' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='46' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='dw_pcie_find_ext_capability' mangled-name='dw_pcie_find_ext_capability' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_find_ext_capability'>
+ <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='93' column='1'/>
+ <parameter type-id='f9b06939' name='cap' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='93' column='1'/>
+ <return type-id='1dc6a898'/>
+ </function-decl>
+ <function-decl name='dw_pcie_host_init' mangled-name='dw_pcie_host_init' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_host_init'>
+ <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='293' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_link_up' mangled-name='dw_pcie_link_up' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_link_up'>
+ <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='478' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_msi_init' mangled-name='dw_pcie_msi_init' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_msi_init'>
+ <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='279' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dw_pcie_own_conf_map_bus' mangled-name='dw_pcie_own_conf_map_bus' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='515' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_own_conf_map_bus'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='515' column='1'/>
+ <parameter type-id='f0981eeb' name='devfn' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='515' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='515' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='dw_pcie_read' mangled-name='dw_pcie_read' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_read'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1'/>
+ <parameter type-id='f9409001' name='val' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='99' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_read_dbi' mangled-name='dw_pcie_read_dbi' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_read_dbi'>
+ <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1'/>
+ <parameter type-id='19c2251e' name='reg' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='139' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_setup_rc' mangled-name='dw_pcie_setup_rc' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_setup_rc'>
+ <parameter type-id='d91dfd7a' name='pp' filepath='drivers/pci/controller/dwc/pcie-designware-host.c' line='533' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dw_pcie_wait_for_link' mangled-name='dw_pcie_wait_for_link' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='459' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_wait_for_link'>
+ <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='459' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_write' mangled-name='dw_pcie_write' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_write'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1'/>
+ <parameter type-id='19c2251e' name='val' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='121' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dw_pcie_write_dbi' mangled-name='dw_pcie_write_dbi' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dw_pcie_write_dbi'>
+ <parameter type-id='8bf55d78' name='pci' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+ <parameter type-id='19c2251e' name='reg' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+ <parameter type-id='19c2251e' name='val' filepath='drivers/pci/controller/dwc/pcie-designware.c' line='155' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='dwc3_send_gadget_ep_cmd' mangled-name='dwc3_send_gadget_ep_cmd' filepath='drivers/usb/dwc3/gadget.c' line='272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dwc3_send_gadget_ep_cmd'>
+ <parameter type-id='b31af340' name='dep' filepath='drivers/usb/dwc3/gadget.c' line='272' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/usb/dwc3/gadget.c' line='272' column='1'/>
+ <parameter type-id='f9841541' name='params' filepath='drivers/usb/dwc3/gadget.c' line='273' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='dwc3_stop_active_transfer' mangled-name='dwc3_stop_active_transfer' filepath='drivers/usb/dwc3/gadget.c' line='3567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='dwc3_stop_active_transfer'>
+ <parameter type-id='b31af340' name='dep' filepath='drivers/usb/dwc3/gadget.c' line='3567' column='1'/>
+ <parameter type-id='b50a4934' name='force' filepath='drivers/usb/dwc3/gadget.c' line='3567' column='1'/>
+ <parameter type-id='b50a4934' name='interrupt' filepath='drivers/usb/dwc3/gadget.c' line='3568' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='edac_device_add_device' mangled-name='edac_device_add_device' filepath='drivers/edac/edac_device.c' line='448' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='edac_device_add_device'>
+ <parameter type-id='b7d8b860' name='edac_dev' filepath='drivers/edac/edac_device.c' line='448' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='edac_device_alloc_ctl_info' mangled-name='edac_device_alloc_ctl_info' filepath='drivers/edac/edac_device.c' line='50' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='edac_device_alloc_ctl_info'>
+ <parameter type-id='f0981eeb' name='sz_private' filepath='drivers/edac/edac_device.c' line='51' column='1'/>
+ <parameter type-id='26a90f95' name='edac_device_name' filepath='drivers/edac/edac_device.c' line='52' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_instances' filepath='drivers/edac/edac_device.c' line='52' column='1'/>
+ <parameter type-id='26a90f95' name='edac_block_name' filepath='drivers/edac/edac_device.c' line='53' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_blocks' filepath='drivers/edac/edac_device.c' line='53' column='1'/>
+ <parameter type-id='f0981eeb' name='offset_value' filepath='drivers/edac/edac_device.c' line='54' column='1'/>
+ <parameter type-id='b52eac2e' name='attrib_spec' filepath='drivers/edac/edac_device.c' line='55' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_attrib' filepath='drivers/edac/edac_device.c' line='55' column='1'/>
+ <parameter type-id='95e97e5e' name='device_index' filepath='drivers/edac/edac_device.c' line='56' column='1'/>
+ <return type-id='b7d8b860'/>
+ </function-decl>
+ <function-decl name='edac_device_alloc_index' mangled-name='edac_device_alloc_index' filepath='drivers/edac/edac_device.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='edac_device_alloc_index'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='edac_device_del_device' mangled-name='edac_device_del_device' filepath='drivers/edac/edac_device.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='edac_device_del_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/edac/edac_device.c' line='504' column='1'/>
+ <return type-id='b7d8b860'/>
+ </function-decl>
+ <function-decl name='edac_device_free_ctl_info' mangled-name='edac_device_free_ctl_info' filepath='drivers/edac/edac_device.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='edac_device_free_ctl_info'>
+ <parameter type-id='b7d8b860' name='ctl_info' filepath='drivers/edac/edac_device.c' line='229' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='edac_device_handle_ce_count' mangled-name='edac_device_handle_ce_count' filepath='drivers/edac/edac_device.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='edac_device_handle_ce_count'>
+ <parameter type-id='b7d8b860' name='edac_dev' filepath='drivers/edac/edac_device.c' line='558' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='drivers/edac/edac_device.c' line='559' column='1'/>
+ <parameter type-id='95e97e5e' name='inst_nr' filepath='drivers/edac/edac_device.c' line='559' column='1'/>
+ <parameter type-id='95e97e5e' name='block_nr' filepath='drivers/edac/edac_device.c' line='559' column='1'/>
+ <parameter type-id='80f4b756' name='msg' filepath='drivers/edac/edac_device.c' line='560' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='edac_device_handle_ue_count' mangled-name='edac_device_handle_ue_count' filepath='drivers/edac/edac_device.c' line='604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='edac_device_handle_ue_count'>
+ <parameter type-id='b7d8b860' name='edac_dev' filepath='drivers/edac/edac_device.c' line='604' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='drivers/edac/edac_device.c' line='605' column='1'/>
+ <parameter type-id='95e97e5e' name='inst_nr' filepath='drivers/edac/edac_device.c' line='605' column='1'/>
+ <parameter type-id='95e97e5e' name='block_nr' filepath='drivers/edac/edac_device.c' line='605' column='1'/>
+ <parameter type-id='80f4b756' name='msg' filepath='drivers/edac/edac_device.c' line='606' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='efi' type-id='f7bdefe9' mangled-name='efi' visibility='default' filepath='drivers/firmware/efi/efi.c' line='37' column='1' elf-symbol-id='efi'/>
+ <var-decl name='efi_tpm_final_log_size' type-id='95e97e5e' mangled-name='efi_tpm_final_log_size' visibility='default' filepath='drivers/firmware/efi/tpm.c' line='16' column='1' elf-symbol-id='efi_tpm_final_log_size'/>
+ <function-decl name='ehci_handshake' mangled-name='ehci_handshake' filepath='drivers/usb/host/ehci-hcd.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_handshake'>
+ <parameter type-id='21c375e6' name='ehci' filepath='drivers/usb/host/ehci-hcd.c' line='148' column='1'/>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='drivers/usb/host/ehci-hcd.c' line='148' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='drivers/usb/host/ehci-hcd.c' line='149' column='1'/>
+ <parameter type-id='19c2251e' name='done' filepath='drivers/usb/host/ehci-hcd.c' line='149' column='1'/>
+ <parameter type-id='95e97e5e' name='usec' filepath='drivers/usb/host/ehci-hcd.c' line='149' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ehci_hub_control' mangled-name='ehci_hub_control' filepath='drivers/usb/host/ehci-hub.c' line='870' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_hub_control'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/ehci-hub.c' line='871' column='1'/>
+ <parameter type-id='1dc6a898' name='typeReq' filepath='drivers/usb/host/ehci-hub.c' line='872' column='1'/>
+ <parameter type-id='1dc6a898' name='wValue' filepath='drivers/usb/host/ehci-hub.c' line='873' column='1'/>
+ <parameter type-id='1dc6a898' name='wIndex' filepath='drivers/usb/host/ehci-hub.c' line='874' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='drivers/usb/host/ehci-hub.c' line='875' column='1'/>
+ <parameter type-id='1dc6a898' name='wLength' filepath='drivers/usb/host/ehci-hub.c' line='876' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ehci_init_driver' mangled-name='ehci_init_driver' filepath='drivers/usb/host/ehci-hcd.c' line='1269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_init_driver'>
+ <parameter type-id='c07d5ba3' name='drv' filepath='drivers/usb/host/ehci-hcd.c' line='1269' column='1'/>
+ <parameter type-id='843888b8' name='over' filepath='drivers/usb/host/ehci-hcd.c' line='1270' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ehci_setup' mangled-name='ehci_setup' filepath='drivers/usb/host/ehci-hcd.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ehci_setup'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/ehci-hcd.c' line='678' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='elevator_alloc' mangled-name='elevator_alloc' filepath='block/elevator.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elevator_alloc'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='164' column='1'/>
+ <parameter type-id='4a89adae' name='e' filepath='block/elevator.c' line='165' column='1'/>
+ <return type-id='07d0a3e7'/>
+ </function-decl>
+ <function-decl name='elv_bio_merge_ok' mangled-name='elv_bio_merge_ok' filepath='block/elevator.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_bio_merge_ok'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='74' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/elevator.c' line='74' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='elv_rb_add' mangled-name='elv_rb_add' filepath='block/elevator.c' line='254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_add'>
+ <parameter type-id='c5bcc2c0' name='root' filepath='block/elevator.c' line='254' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='254' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='elv_rb_del' mangled-name='elv_rb_del' filepath='block/elevator.c' line='275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_del'>
+ <parameter type-id='c5bcc2c0' name='root' filepath='block/elevator.c' line='275' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='275' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='elv_rb_find' mangled-name='elv_rb_find' filepath='block/elevator.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_find'>
+ <parameter type-id='c5bcc2c0' name='root' filepath='block/elevator.c' line='283' column='1'/>
+ <parameter type-id='a42536cd' name='sector' filepath='block/elevator.c' line='283' column='1'/>
+ <return type-id='3dad1a48'/>
+ </function-decl>
+ <function-decl name='elv_rb_former_request' mangled-name='elv_rb_former_request' filepath='block/elevator.c' line='811' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_former_request'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='811' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='812' column='1'/>
+ <return type-id='3dad1a48'/>
+ </function-decl>
+ <function-decl name='elv_rb_latter_request' mangled-name='elv_rb_latter_request' filepath='block/elevator.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rb_latter_request'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='823' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='824' column='1'/>
+ <return type-id='3dad1a48'/>
+ </function-decl>
+ <function-decl name='elv_register' mangled-name='elv_register' filepath='block/elevator.c' line='526' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_register'>
+ <parameter type-id='4a89adae' name='e' filepath='block/elevator.c' line='526' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='elv_rqhash_add' mangled-name='elv_rqhash_add' filepath='block/elevator.c' line='213' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rqhash_add'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='213' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='213' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='elv_rqhash_del' mangled-name='elv_rqhash_del' filepath='block/elevator.c' line='206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_rqhash_del'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/elevator.c' line='206' column='1'/>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/elevator.c' line='206' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='elv_unregister' mangled-name='elv_unregister' filepath='block/elevator.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='elv_unregister'>
+ <parameter type-id='4a89adae' name='e' filepath='block/elevator.c' line='558' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='em_cpu_get' mangled-name='em_cpu_get' filepath='kernel/power/energy_model.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='em_cpu_get'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/power/energy_model.c' line='241' column='1'/>
+ <return type-id='ce714046'/>
+ </function-decl>
+ <function-decl name='em_dev_register_perf_domain' mangled-name='em_dev_register_perf_domain' filepath='kernel/power/energy_model.c' line='276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='em_dev_register_perf_domain'>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/power/energy_model.c' line='276' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_states' filepath='kernel/power/energy_model.c' line='276' column='1'/>
+ <parameter type-id='8ab4431c' name='cb' filepath='kernel/power/energy_model.c' line='277' column='1'/>
+ <parameter type-id='3ca207ec' name='cpus' filepath='kernel/power/energy_model.c' line='277' column='1'/>
+ <parameter type-id='b50a4934' name='milliwatts' filepath='kernel/power/energy_model.c' line='278' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='emergency_restart' mangled-name='emergency_restart' filepath='kernel/reboot.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='emergency_restart'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='enable_irq' mangled-name='enable_irq' filepath='kernel/irq/manage.c' line='709' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='enable_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='709' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='enable_percpu_irq' mangled-name='enable_percpu_irq' filepath='kernel/irq/manage.c' line='2229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='enable_percpu_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2229' column='1'/>
+ <parameter type-id='f0981eeb' name='type' filepath='kernel/irq/manage.c' line='2229' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='end_buffer_read_sync' mangled-name='end_buffer_read_sync' filepath='fs/buffer.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='end_buffer_read_sync'>
+ <parameter type-id='c485c22c' name='bh' filepath='fs/buffer.c' line='157' column='1'/>
+ <parameter type-id='95e97e5e' name='uptodate' filepath='fs/buffer.c' line='157' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='eth_commit_mac_addr_change' mangled-name='eth_commit_mac_addr_change' filepath='net/ethernet/eth.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_commit_mac_addr_change'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='308' column='1'/>
+ <parameter type-id='eaa32e2f' name='p' filepath='net/ethernet/eth.c' line='308' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='eth_header' mangled-name='eth_header' filepath='net/ethernet/eth.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_header'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/ethernet/eth.c' line='79' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='79' column='1'/>
+ <parameter type-id='8efea9e5' name='type' filepath='net/ethernet/eth.c' line='80' column='1'/>
+ <parameter type-id='eaa32e2f' name='daddr' filepath='net/ethernet/eth.c' line='81' column='1'/>
+ <parameter type-id='eaa32e2f' name='saddr' filepath='net/ethernet/eth.c' line='81' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/ethernet/eth.c' line='81' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='eth_header_cache' mangled-name='eth_header_cache' filepath='net/ethernet/eth.c' line='233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_header_cache'>
+ <parameter type-id='b5fb9c17' name='neigh' filepath='net/ethernet/eth.c' line='233' column='1'/>
+ <parameter type-id='236f06da' name='hh' filepath='net/ethernet/eth.c' line='233' column='1'/>
+ <parameter type-id='84a5c3d4' name='type' filepath='net/ethernet/eth.c' line='233' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='eth_header_cache_update' mangled-name='eth_header_cache_update' filepath='net/ethernet/eth.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_header_cache_update'>
+ <parameter type-id='236f06da' name='hh' filepath='net/ethernet/eth.c' line='265' column='1'/>
+ <parameter type-id='2ce52478' name='dev' filepath='net/ethernet/eth.c' line='266' column='1'/>
+ <parameter type-id='354f7eb9' name='haddr' filepath='net/ethernet/eth.c' line='267' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='eth_header_parse' mangled-name='eth_header_parse' filepath='net/ethernet/eth.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_header_parse'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/ethernet/eth.c' line='217' column='1'/>
+ <parameter type-id='cf536864' name='haddr' filepath='net/ethernet/eth.c' line='217' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='eth_mac_addr' mangled-name='eth_mac_addr' filepath='net/ethernet/eth.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_mac_addr'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='326' column='1'/>
+ <parameter type-id='eaa32e2f' name='p' filepath='net/ethernet/eth.c' line='326' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='eth_platform_get_mac_address' mangled-name='eth_platform_get_mac_address' filepath='net/ethernet/eth.c' line='507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_platform_get_mac_address'>
+ <parameter type-id='fa0b179b' name='dev' filepath='net/ethernet/eth.c' line='507' column='1'/>
+ <parameter type-id='8bff8096' name='mac_addr' filepath='net/ethernet/eth.c' line='507' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='eth_prepare_mac_addr_change' mangled-name='eth_prepare_mac_addr_change' filepath='net/ethernet/eth.c' line='291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_prepare_mac_addr_change'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='291' column='1'/>
+ <parameter type-id='eaa32e2f' name='p' filepath='net/ethernet/eth.c' line='291' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='eth_type_trans' mangled-name='eth_type_trans' filepath='net/ethernet/eth.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_type_trans'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/ethernet/eth.c' line='155' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='155' column='1'/>
+ <return type-id='84a5c3d4'/>
+ </function-decl>
+ <function-decl name='eth_validate_addr' mangled-name='eth_validate_addr' filepath='net/ethernet/eth.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eth_validate_addr'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='338' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ether_setup' mangled-name='ether_setup' filepath='net/ethernet/eth.c' line='361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ether_setup'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethernet/eth.c' line='361' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ethnl_cable_test_fault_length' mangled-name='ethnl_cable_test_fault_length' filepath='net/ethtool/cabletest.c' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethnl_cable_test_fault_length'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='net/ethtool/cabletest.c' line='186' column='1'/>
+ <parameter type-id='f9b06939' name='pair' filepath='net/ethtool/cabletest.c' line='186' column='1'/>
+ <parameter type-id='19c2251e' name='cm' filepath='net/ethtool/cabletest.c' line='186' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ethnl_cable_test_result' mangled-name='ethnl_cable_test_result' filepath='net/ethtool/cabletest.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethnl_cable_test_result'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='net/ethtool/cabletest.c' line='163' column='1'/>
+ <parameter type-id='f9b06939' name='pair' filepath='net/ethtool/cabletest.c' line='163' column='1'/>
+ <parameter type-id='f9b06939' name='result' filepath='net/ethtool/cabletest.c' line='163' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ethtool_op_get_link' mangled-name='ethtool_op_get_link' filepath='net/ethtool/ioctl.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_op_get_link'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='40' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='ethtool_op_get_ts_info' mangled-name='ethtool_op_get_ts_info' filepath='net/ethtool/ioctl.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_op_get_ts_info'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='46' column='1'/>
+ <parameter type-id='fa058983' name='info' filepath='net/ethtool/ioctl.c' line='46' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ethtool_virtdev_set_link_ksettings' mangled-name='ethtool_virtdev_set_link_ksettings' filepath='net/ethtool/ioctl.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ethtool_virtdev_set_link_ksettings'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/ethtool/ioctl.c' line='611' column='1'/>
+ <parameter type-id='b2c34f11' name='cmd' filepath='net/ethtool/ioctl.c' line='612' column='1'/>
+ <parameter type-id='f9409001' name='dev_speed' filepath='net/ethtool/ioctl.c' line='613' column='1'/>
+ <parameter type-id='8bff8096' name='dev_duplex' filepath='net/ethtool/ioctl.c' line='613' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='event_triggers_call' mangled-name='event_triggers_call' filepath='kernel/trace/trace_events_trigger.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='event_triggers_call'>
+ <parameter type-id='3d4ca6d2' name='file' filepath='kernel/trace/trace_events_trigger.c' line='56' column='1'/>
+ <parameter type-id='eaa32e2f' name='rec' filepath='kernel/trace/trace_events_trigger.c' line='56' column='1'/>
+ <parameter type-id='3275e929' name='event' filepath='kernel/trace/trace_events_trigger.c' line='57' column='1'/>
+ <return type-id='21b4096c'/>
+ </function-decl>
+ <function-decl name='eventfd_ctx_fdget' mangled-name='eventfd_ctx_fdget' filepath='fs/eventfd.c' line='370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_ctx_fdget'>
+ <parameter type-id='95e97e5e' name='fd' filepath='fs/eventfd.c' line='370' column='1'/>
+ <return type-id='71f2e203'/>
+ </function-decl>
+ <function-decl name='eventfd_ctx_fileget' mangled-name='eventfd_ctx_fileget' filepath='fs/eventfd.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_ctx_fileget'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/eventfd.c' line='391' column='1'/>
+ <return type-id='71f2e203'/>
+ </function-decl>
+ <function-decl name='eventfd_ctx_put' mangled-name='eventfd_ctx_put' filepath='fs/eventfd.c' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_ctx_put'>
+ <parameter type-id='71f2e203' name='ctx' filepath='fs/eventfd.c' line='112' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='eventfd_ctx_remove_wait_queue' mangled-name='eventfd_ctx_remove_wait_queue' filepath='fs/eventfd.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_ctx_remove_wait_queue'>
+ <parameter type-id='71f2e203' name='ctx' filepath='fs/eventfd.c' line='204' column='1'/>
+ <parameter type-id='ba9aa326' name='wait' filepath='fs/eventfd.c' line='204' column='1'/>
+ <parameter type-id='30dcd536' name='cnt' filepath='fs/eventfd.c' line='205' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='eventfd_signal' mangled-name='eventfd_signal' filepath='fs/eventfd.c' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='eventfd_signal'>
+ <parameter type-id='71f2e203' name='ctx' filepath='fs/eventfd.c' line='62' column='1'/>
+ <parameter type-id='d3130597' name='n' filepath='fs/eventfd.c' line='62' column='1'/>
+ <return type-id='d3130597'/>
+ </function-decl>
+ <function-decl name='extcon_find_edev_by_node' mangled-name='extcon_find_edev_by_node' filepath='drivers/extcon/extcon.c' line='1337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_find_edev_by_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/extcon/extcon.c' line='1337' column='1'/>
+ <return type-id='c0d6fada'/>
+ </function-decl>
+ <function-decl name='extcon_get_edev_by_phandle' mangled-name='extcon_get_edev_by_phandle' filepath='drivers/extcon/extcon.c' line='1359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_edev_by_phandle'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/extcon/extcon.c' line='1359' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/extcon/extcon.c' line='1359' column='1'/>
+ <return type-id='c0d6fada'/>
+ </function-decl>
+ <function-decl name='extcon_get_edev_name' mangled-name='extcon_get_edev_name' filepath='drivers/extcon/extcon.c' line='1406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_edev_name'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='1406' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='extcon_get_extcon_dev' mangled-name='extcon_get_extcon_dev' filepath='drivers/extcon/extcon.c' line='867' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_extcon_dev'>
+ <parameter type-id='80f4b756' name='extcon_name' filepath='drivers/extcon/extcon.c' line='867' column='1'/>
+ <return type-id='c0d6fada'/>
+ </function-decl>
+ <function-decl name='extcon_get_property' mangled-name='extcon_get_property' filepath='drivers/extcon/extcon.c' line='615' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_property'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='615' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='615' column='1'/>
+ <parameter type-id='f0981eeb' name='prop' filepath='drivers/extcon/extcon.c' line='616' column='1'/>
+ <parameter type-id='50842338' name='prop_val' filepath='drivers/extcon/extcon.c' line='617' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_get_state' mangled-name='extcon_get_state' filepath='drivers/extcon/extcon.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_get_state'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='489' column='1'/>
+ <parameter type-id='20f5f452' name='id' filepath='drivers/extcon/extcon.c' line='489' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_register_notifier' mangled-name='extcon_register_notifier' filepath='drivers/extcon/extcon.c' line='899' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_register_notifier'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='899' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='899' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/extcon/extcon.c' line='900' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_set_property' mangled-name='extcon_set_property' filepath='drivers/extcon/extcon.c' line='694' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_property'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='694' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='694' column='1'/>
+ <parameter type-id='f0981eeb' name='prop' filepath='drivers/extcon/extcon.c' line='695' column='1'/>
+ <parameter type-id='282b2805' name='prop_val' filepath='drivers/extcon/extcon.c' line='696' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_set_property_capability' mangled-name='extcon_set_property_capability' filepath='drivers/extcon/extcon.c' line='816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_property_capability'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='816' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='816' column='1'/>
+ <parameter type-id='f0981eeb' name='prop' filepath='drivers/extcon/extcon.c' line='817' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_set_state' mangled-name='extcon_set_state' filepath='drivers/extcon/extcon.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_state'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='522' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='522' column='1'/>
+ <parameter type-id='b50a4934' name='state' filepath='drivers/extcon/extcon.c' line='522' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_set_state_sync' mangled-name='extcon_set_state_sync' filepath='drivers/extcon/extcon.c' line='577' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_set_state_sync'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='577' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='577' column='1'/>
+ <parameter type-id='b50a4934' name='state' filepath='drivers/extcon/extcon.c' line='577' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_sync' mangled-name='extcon_sync' filepath='drivers/extcon/extcon.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_sync'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='408' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='408' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='extcon_unregister_notifier' mangled-name='extcon_unregister_notifier' filepath='drivers/extcon/extcon.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='extcon_unregister_notifier'>
+ <parameter type-id='c0d6fada' name='edev' filepath='drivers/extcon/extcon.c' line='928' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/extcon/extcon.c' line='928' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/extcon/extcon.c' line='929' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <function-decl name='fasync_helper' mangled-name='fasync_helper' filepath='fs/fcntl.c' line='982' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fasync_helper'>
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+ <parameter type-id='77e79a4b' name='filp' filepath='fs/fcntl.c' line='982' column='1'/>
+ <parameter type-id='95e97e5e' name='on' filepath='fs/fcntl.c' line='982' column='1'/>
+ <parameter type-id='dc750055' name='fapp' filepath='fs/fcntl.c' line='982' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fd_install' mangled-name='fd_install' filepath='fs/file.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fd_install'>
+ <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='633' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/file.c' line='633' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='fget' mangled-name='fget' filepath='fs/file.c' line='854' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fget'>
+ <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='854' column='1'/>
+ <return type-id='77e79a4b'/>
+ </function-decl>
+ <function-decl name='file_path' mangled-name='file_path' filepath='fs/open.c' line='927' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='file_path'>
+ <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='927' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/open.c' line='927' column='1'/>
+ <parameter type-id='95e97e5e' name='buflen' filepath='fs/open.c' line='927' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='file_ra_state_init' mangled-name='file_ra_state_init' filepath='mm/readahead.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='file_ra_state_init'>
+ <parameter type-id='66ec8db7' name='ra' filepath='mm/readahead.c' line='35' column='1'/>
+ <parameter type-id='f57039f0' name='mapping' filepath='mm/readahead.c' line='35' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='filp_close' mangled-name='filp_close' filepath='fs/open.c' line='1309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='filp_close'>
+ <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='1309' column='1'/>
+ <parameter type-id='bc5666d5' name='id' filepath='fs/open.c' line='1309' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='filp_open_block' mangled-name='filp_open_block' filepath='fs/open.c' line='1164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='filp_open_block'>
+ <parameter type-id='80f4b756' name='filename' filepath='fs/open.c' line='1164' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='fs/open.c' line='1164' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/open.c' line='1164' column='1'/>
+ <return type-id='77e79a4b'/>
+ </function-decl>
+ <function-decl name='find_extend_vma' mangled-name='find_extend_vma' filepath='mm/mmap.c' line='2717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_extend_vma'>
+ <parameter type-id='df4b7819' name='mm' filepath='mm/mmap.c' line='2717' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/mmap.c' line='2717' column='1'/>
+ <return type-id='2ae08426'/>
+ </function-decl>
+ <function-decl name='find_get_pid' mangled-name='find_get_pid' filepath='kernel/pid.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_get_pid'>
+ <parameter type-id='587f89d2' name='nr' filepath='kernel/pid.c' line='461' column='1'/>
+ <return type-id='b94e5398'/>
+ </function-decl>
+ <function-decl name='find_last_bit' mangled-name='find_last_bit' filepath='lib/find_bit.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_last_bit'>
+ <parameter type-id='f9b37274' name='addr' filepath='lib/find_bit.c' line='140' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/find_bit.c' line='140' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='find_next_bit' mangled-name='find_next_bit' filepath='lib/find_bit.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_next_bit'>
+ <parameter type-id='f9b37274' name='addr' filepath='lib/find_bit.c' line='76' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/find_bit.c' line='76' column='1'/>
+ <parameter type-id='7359adad' name='offset' filepath='lib/find_bit.c' line='77' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='find_next_zero_bit' mangled-name='find_next_zero_bit' filepath='lib/find_bit.c' line='85' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_next_zero_bit'>
+ <parameter type-id='f9b37274' name='addr' filepath='lib/find_bit.c' line='85' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/find_bit.c' line='85' column='1'/>
+ <parameter type-id='7359adad' name='offset' filepath='lib/find_bit.c' line='86' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='find_pid_ns' mangled-name='find_pid_ns' filepath='kernel/pid.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_pid_ns'>
+ <parameter type-id='95e97e5e' name='nr' filepath='kernel/pid.c' line='309' column='1'/>
+ <parameter type-id='b816e1d0' name='ns' filepath='kernel/pid.c' line='309' column='1'/>
+ <return type-id='b94e5398'/>
+ </function-decl>
+ <function-decl name='find_snd_usb_substream' mangled-name='find_snd_usb_substream' filepath='sound/usb/card.c' line='228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_snd_usb_substream'>
+ <parameter type-id='f0981eeb' name='card_num' filepath='sound/usb/card.c' line='228' column='1'/>
+ <parameter type-id='f0981eeb' name='pcm_idx' filepath='sound/usb/card.c' line='229' column='1'/>
+ <parameter type-id='f0981eeb' name='direction' filepath='sound/usb/card.c' line='229' column='1'/>
+ <parameter type-id='8f7ff038' name='uchip' filepath='sound/usb/card.c' line='230' column='1'/>
+ <parameter type-id='9272847f' name='disconnect_cb' filepath='sound/usb/card.c' line='230' column='1'/>
+ <return type-id='6b1642ae'/>
+ </function-decl>
+ <function-decl name='find_task_by_vpid' mangled-name='find_task_by_vpid' filepath='kernel/pid.c' line='420' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_task_by_vpid'>
+ <parameter type-id='587f89d2' name='vnr' filepath='kernel/pid.c' line='420' column='1'/>
+ <return type-id='f23e2572'/>
+ </function-decl>
+ <function-decl name='find_user' mangled-name='find_user' filepath='kernel/user.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_user'>
+ <parameter type-id='d80b72e6' name='uid' filepath='kernel/user.c' line='156' column='1'/>
+ <return type-id='273a7d34'/>
+ </function-decl>
+ <function-decl name='find_vma' mangled-name='find_vma' filepath='mm/mmap.c' line='2406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_vma'>
+ <parameter type-id='df4b7819' name='mm' filepath='mm/mmap.c' line='2406' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/mmap.c' line='2406' column='1'/>
+ <return type-id='2ae08426'/>
+ </function-decl>
+ <function-decl name='find_vpid' mangled-name='find_vpid' filepath='kernel/pid.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='find_vpid'>
+ <parameter type-id='95e97e5e' name='nr' filepath='kernel/pid.c' line='315' column='1'/>
+ <return type-id='b94e5398'/>
+ </function-decl>
+ <function-decl name='finish_wait' mangled-name='finish_wait' filepath='kernel/sched/wait.c' line='370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='finish_wait'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='370' column='1'/>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='370' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='firmware_request_nowarn' mangled-name='firmware_request_nowarn' filepath='drivers/base/firmware_loader/main.c' line='896' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='firmware_request_nowarn'>
+ <parameter type-id='6c2331f5' name='firmware' filepath='drivers/base/firmware_loader/main.c' line='896' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='896' column='1'/>
+ <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='897' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fixed_size_llseek' mangled-name='fixed_size_llseek' filepath='fs/read_write.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fixed_size_llseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='162' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='162' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='162' column='1'/>
+ <parameter type-id='69bf7bee' name='size' filepath='fs/read_write.c' line='162' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <var-decl name='flow_keys_basic_dissector' type-id='379be6ec' mangled-name='flow_keys_basic_dissector' visibility='default' filepath='net/core/flow_dissector.c' line='1796' column='1' elf-symbol-id='flow_keys_basic_dissector'/>
+ <function-decl name='flush_dcache_page' mangled-name='flush_dcache_page' filepath='arch/arm64/mm/flush.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_dcache_page'>
+ <parameter type-id='02f11ed4' name='page' filepath='arch/arm64/mm/flush.c' line='70' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='flush_delayed_work' mangled-name='flush_delayed_work' filepath='kernel/workqueue.c' line='3205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_delayed_work'>
+ <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='3205' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='flush_signals' mangled-name='flush_signals' filepath='kernel/signal.c' line='479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_signals'>
+ <parameter type-id='f23e2572' name='t' filepath='kernel/signal.c' line='479' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='flush_work' mangled-name='flush_work' filepath='kernel/workqueue.c' line='3085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_work'>
+ <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='3085' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='flush_workqueue' mangled-name='flush_workqueue' filepath='kernel/workqueue.c' line='2788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='flush_workqueue'>
+ <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='2788' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='follow_pfn' mangled-name='follow_pfn' filepath='mm/memory.c' line='5398' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='follow_pfn'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='5398' column='1'/>
+ <parameter type-id='7359adad' name='address' filepath='mm/memory.c' line='5398' column='1'/>
+ <parameter type-id='1d2c2b85' name='pfn' filepath='mm/memory.c' line='5399' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='font_vga_8x16' type-id='d2d06e23' mangled-name='font_vga_8x16' visibility='default' filepath='lib/fonts/font_8x16.c' line='4625' column='1' elf-symbol-id='font_vga_8x16'/>
+ <function-decl name='for_each_kernel_tracepoint' mangled-name='for_each_kernel_tracepoint' filepath='kernel/tracepoint.c' line='767' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='for_each_kernel_tracepoint'>
+ <parameter type-id='aba164d7' name='fct' filepath='kernel/tracepoint.c' line='767' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='kernel/tracepoint.c' line='768' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='fpsimd_context_busy' type-id='b50a4934' mangled-name='fpsimd_context_busy' visibility='default' filepath='arch/arm64/kernel/fpsimd.c' line='162' column='1' elf-symbol-id='fpsimd_context_busy'/>
+ <function-decl name='fput' mangled-name='fput' filepath='fs/file_table.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fput'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/file_table.c' line='356' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='frame_vector_create' mangled-name='frame_vector_create' filepath='mm/frame_vector.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='frame_vector_create'>
+ <parameter type-id='f0981eeb' name='nr_frames' filepath='mm/frame_vector.c' line='202' column='1'/>
+ <return type-id='d9fbdc06'/>
+ </function-decl>
+ <function-decl name='frame_vector_destroy' mangled-name='frame_vector_destroy' filepath='mm/frame_vector.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='frame_vector_destroy'>
+ <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='234' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='frame_vector_to_pages' mangled-name='frame_vector_to_pages' filepath='mm/frame_vector.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='frame_vector_to_pages'>
+ <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='153' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='frame_vector_to_pfns' mangled-name='frame_vector_to_pfns' filepath='mm/frame_vector.c' line='179' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='frame_vector_to_pfns'>
+ <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='179' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_buffer_head' mangled-name='free_buffer_head' filepath='fs/buffer.c' line='3377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_buffer_head'>
+ <parameter type-id='c485c22c' name='bh' filepath='fs/buffer.c' line='3377' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_candev' mangled-name='free_candev' filepath='drivers/net/can/dev/dev.c' line='800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_candev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='800' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_io_pgtable_ops' mangled-name='free_io_pgtable_ops' filepath='drivers/iommu/io-pgtable.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_io_pgtable_ops'>
+ <parameter type-id='bf4bdb64' name='ops' filepath='drivers/iommu/io-pgtable.c' line='59' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_irq' mangled-name='free_irq' filepath='kernel/irq/manage.c' line='1887' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='1887' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='1887' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='free_netdev' mangled-name='free_netdev' filepath='net/core/dev.c' line='10673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_netdev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10673' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_pages' mangled-name='free_pages' filepath='mm/page_alloc.c' line='5180' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_pages'>
+ <parameter type-id='7359adad' name='addr' filepath='mm/page_alloc.c' line='5180' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='5180' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_pages_exact' mangled-name='free_pages_exact' filepath='mm/page_alloc.c' line='5379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_pages_exact'>
+ <parameter type-id='eaa32e2f' name='virt' filepath='mm/page_alloc.c' line='5379' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/page_alloc.c' line='5379' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_percpu' mangled-name='free_percpu' filepath='mm/percpu.c' line='2080' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_percpu'>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='mm/percpu.c' line='2080' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_percpu_irq' mangled-name='free_percpu_irq' filepath='kernel/irq/manage.c' line='2385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_percpu_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2385' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='2385' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='free_uid' mangled-name='free_uid' filepath='kernel/user.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='free_uid'>
+ <parameter type-id='273a7d34' name='up' filepath='kernel/user.c' line='168' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='freezer_cgrp_subsys' type-id='1d115fd5' mangled-name='freezer_cgrp_subsys' visibility='default' filepath='kernel/cgroup/legacy_freezer.c' line='473' column='1' elf-symbol-id='freezer_cgrp_subsys'/>
+ <function-decl name='freezing_slow_path' mangled-name='freezing_slow_path' filepath='kernel/freezer.c' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freezing_slow_path'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/freezer.c' line='41' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='freq_qos_add_notifier' mangled-name='freq_qos_add_notifier' filepath='kernel/power/qos.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_qos_add_notifier'>
+ <parameter type-id='1351457a' name='qos' filepath='kernel/power/qos.c' line='621' column='1'/>
+ <parameter type-id='1df5cca8' name='type' filepath='kernel/power/qos.c' line='622' column='1'/>
+ <parameter type-id='d504f73d' name='notifier' filepath='kernel/power/qos.c' line='623' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='freq_qos_add_request' mangled-name='freq_qos_add_request' filepath='kernel/power/qos.c' line='531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_qos_add_request'>
+ <parameter type-id='1351457a' name='qos' filepath='kernel/power/qos.c' line='531' column='1'/>
+ <parameter type-id='3fdf7ca3' name='req' filepath='kernel/power/qos.c' line='532' column='1'/>
+ <parameter type-id='1df5cca8' name='type' filepath='kernel/power/qos.c' line='533' column='1'/>
+ <parameter type-id='a7832498' name='value' filepath='kernel/power/qos.c' line='533' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='freq_qos_remove_request' mangled-name='freq_qos_remove_request' filepath='kernel/power/qos.c' line='595' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_qos_remove_request'>
+ <parameter type-id='3fdf7ca3' name='req' filepath='kernel/power/qos.c' line='595' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='freq_qos_update_request' mangled-name='freq_qos_update_request' filepath='kernel/power/qos.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='freq_qos_update_request'>
+ <parameter type-id='3fdf7ca3' name='req' filepath='kernel/power/qos.c' line='568' column='1'/>
+ <parameter type-id='a7832498' name='new_value' filepath='kernel/power/qos.c' line='568' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='freq_scale' type-id='7359adad' mangled-name='freq_scale' visibility='default' filepath='drivers/base/arch_topology.c' line='35' column='1' elf-symbol-id='freq_scale'/>
+ <var-decl name='fs_bio_set' type-id='dfa886b2' mangled-name='fs_bio_set' visibility='default' filepath='block/bio.c' line='48' column='1' elf-symbol-id='fs_bio_set'/>
+ <function-decl name='fsg_common_create_luns' mangled-name='fsg_common_create_luns' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fsg_common_create_luns'>
+ <parameter type-id='8f32e025' name='common' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2835' column='1'/>
+ <parameter type-id='ddc27a70' name='cfg' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2835' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fsg_common_set_cdev' mangled-name='fsg_common_set_cdev' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2689' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fsg_common_set_cdev'>
+ <parameter type-id='8f32e025' name='common' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2689' column='1'/>
+ <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2690' column='1'/>
+ <parameter type-id='b50a4934' name='can_stall' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2690' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fsg_common_set_inquiry_string' mangled-name='fsg_common_set_inquiry_string' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fsg_common_set_inquiry_string'>
+ <parameter type-id='8f32e025' name='common' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2859' column='1'/>
+ <parameter type-id='80f4b756' name='vn' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2859' column='1'/>
+ <parameter type-id='80f4b756' name='pn' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2860' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='fsg_common_set_sysfs' mangled-name='fsg_common_set_sysfs' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fsg_common_set_sysfs'>
+ <parameter type-id='8f32e025' name='common' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2598' column='1'/>
+ <parameter type-id='b50a4934' name='sysfs' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='2598' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='fsg_config_from_params' mangled-name='fsg_config_from_params' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='3454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fsg_config_from_params'>
+ <parameter type-id='ddc27a70' name='cfg' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='3454' column='1'/>
+ <parameter type-id='dbce2b7c' name='params' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='3455' column='1'/>
+ <parameter type-id='f0981eeb' name='fsg_num_buffers' filepath='drivers/usb/gadget/function/f_mass_storage.c' line='3456' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='fsync_bdev' mangled-name='fsync_bdev' filepath='fs/block_dev.c' line='548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fsync_bdev'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='548' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ftrace_dump' mangled-name='ftrace_dump' filepath='kernel/trace/trace.c' line='9323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ftrace_dump'>
+ <parameter type-id='9be0e7e4' name='oops_dump_mode' filepath='kernel/trace/trace.c' line='9323' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='full_name_hash' mangled-name='full_name_hash' filepath='fs/namei.c' line='2055' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='full_name_hash'>
+ <parameter type-id='eaa32e2f' name='salt' filepath='fs/namei.c' line='2055' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/namei.c' line='2055' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='fs/namei.c' line='2055' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='fwnode_create_software_node' mangled-name='fwnode_create_software_node' filepath='drivers/base/swnode.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_create_software_node'>
+ <parameter type-id='9e1d140c' name='properties' filepath='drivers/base/swnode.c' line='824' column='1'/>
+ <parameter type-id='7837cd88' name='parent' filepath='drivers/base/swnode.c' line='825' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_device_is_available' mangled-name='fwnode_device_is_available' filepath='drivers/base/property.c' line='841' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_device_is_available'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='841' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='fwnode_find_reference' mangled-name='fwnode_find_reference' filepath='drivers/base/property.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_find_reference'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='498' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/property.c' line='499' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/base/property.c' line='500' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_get_name' mangled-name='fwnode_get_name' filepath='drivers/base/property.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_get_name'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='565' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='fwnode_get_named_child_node' mangled-name='fwnode_get_named_child_node' filepath='drivers/base/property.c' line='789' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_get_named_child_node'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='789' column='1'/>
+ <parameter type-id='80f4b756' name='childname' filepath='drivers/base/property.c' line='790' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_get_next_child_node' mangled-name='fwnode_get_next_child_node' filepath='drivers/base/property.c' line='721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_get_next_child_node'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='721' column='1'/>
+ <parameter type-id='4a935625' name='child' filepath='drivers/base/property.c' line='722' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_gpiod_get_index' mangled-name='fwnode_gpiod_get_index' filepath='drivers/gpio/gpiolib.c' line='3783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_gpiod_get_index'>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/gpio/gpiolib.c' line='3783' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib.c' line='3784' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/gpio/gpiolib.c' line='3784' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib.c' line='3785' column='1'/>
+ <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib.c' line='3786' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='fwnode_graph_get_next_endpoint' mangled-name='fwnode_graph_get_next_endpoint' filepath='drivers/base/property.c' line='1030' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_next_endpoint'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1030' column='1'/>
+ <parameter type-id='4a935625' name='prev' filepath='drivers/base/property.c' line='1031' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_graph_get_port_parent' mangled-name='fwnode_graph_get_port_parent' filepath='drivers/base/property.c' line='1044' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_port_parent'>
+ <parameter type-id='7837cd88' name='endpoint' filepath='drivers/base/property.c' line='1044' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_graph_get_remote_endpoint' mangled-name='fwnode_graph_get_remote_endpoint' filepath='drivers/base/property.c' line='1097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_remote_endpoint'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1097' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_graph_get_remote_port_parent' mangled-name='fwnode_graph_get_remote_port_parent' filepath='drivers/base/property.c' line='1064' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_get_remote_port_parent'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1064' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_graph_parse_endpoint' mangled-name='fwnode_graph_parse_endpoint' filepath='drivers/base/property.c' line='1225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_graph_parse_endpoint'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='1225' column='1'/>
+ <parameter type-id='41b1c13c' name='endpoint' filepath='drivers/base/property.c' line='1226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fwnode_handle_get' mangled-name='fwnode_handle_get' filepath='drivers/base/property.c' line='814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_handle_get'>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/base/property.c' line='814' column='1'/>
+ <return type-id='4a935625'/>
+ </function-decl>
+ <function-decl name='fwnode_handle_put' mangled-name='fwnode_handle_put' filepath='drivers/base/property.c' line='831' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_handle_put'>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/base/property.c' line='831' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='fwnode_property_get_reference_args' mangled-name='fwnode_property_get_reference_args' filepath='drivers/base/property.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_get_reference_args'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='477' column='1'/>
+ <parameter type-id='80f4b756' name='prop' filepath='drivers/base/property.c' line='478' column='1'/>
+ <parameter type-id='80f4b756' name='nargs_prop' filepath='drivers/base/property.c' line='478' column='1'/>
+ <parameter type-id='f0981eeb' name='nargs' filepath='drivers/base/property.c' line='479' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/base/property.c' line='479' column='1'/>
+ <parameter type-id='861f302a' name='args' filepath='drivers/base/property.c' line='480' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fwnode_property_present' mangled-name='fwnode_property_present' filepath='drivers/base/property.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_present'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='46' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='47' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='fwnode_property_read_string' mangled-name='fwnode_property_read_string' filepath='drivers/base/property.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_read_string'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='401' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='402' column='1'/>
+ <parameter type-id='7d3cd834' name='val' filepath='drivers/base/property.c' line='402' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fwnode_property_read_u32_array' mangled-name='fwnode_property_read_u32_array' filepath='drivers/base/property.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_read_u32_array'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='317' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='318' column='1'/>
+ <parameter type-id='f9409001' name='val' filepath='drivers/base/property.c' line='318' column='1'/>
+ <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='318' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fwnode_property_read_u64_array' mangled-name='fwnode_property_read_u64_array' filepath='drivers/base/property.c' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_property_read_u64_array'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/base/property.c' line='343' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/base/property.c' line='344' column='1'/>
+ <parameter type-id='3df9fd28' name='val' filepath='drivers/base/property.c' line='344' column='1'/>
+ <parameter type-id='b59d7dce' name='nval' filepath='drivers/base/property.c' line='344' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='fwnode_usb_role_switch_get' mangled-name='fwnode_usb_role_switch_get' filepath='drivers/usb/roles/class.c' line='146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='fwnode_usb_role_switch_get'>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/usb/roles/class.c' line='146' column='1'/>
+ <return type-id='3e3cd44f'/>
+ </function-decl>
+ <function-decl name='gcd' mangled-name='gcd' filepath='lib/math/gcd.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gcd'>
+ <parameter type-id='7359adad' name='a' filepath='lib/math/gcd.c' line='23' column='1'/>
+ <parameter type-id='7359adad' name='b' filepath='lib/math/gcd.c' line='23' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='gen_pool_add_owner' mangled-name='gen_pool_add_owner' filepath='lib/genalloc.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_add_owner'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='183' column='1'/>
+ <parameter type-id='7359adad' name='virt' filepath='lib/genalloc.c' line='183' column='1'/>
+ <parameter type-id='2522883d' name='phys' filepath='lib/genalloc.c' line='183' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='184' column='1'/>
+ <parameter type-id='95e97e5e' name='nid' filepath='lib/genalloc.c' line='184' column='1'/>
+ <parameter type-id='eaa32e2f' name='owner' filepath='lib/genalloc.c' line='184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gen_pool_alloc_algo_owner' mangled-name='gen_pool_alloc_algo_owner' filepath='lib/genalloc.c' line='276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_alloc_algo_owner'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='276' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='276' column='1'/>
+ <parameter type-id='00278b91' name='algo' filepath='lib/genalloc.c' line='277' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='277' column='1'/>
+ <parameter type-id='63e171df' name='owner' filepath='lib/genalloc.c' line='277' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='gen_pool_avail' mangled-name='gen_pool_avail' filepath='lib/genalloc.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_avail'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='579' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='gen_pool_best_fit' mangled-name='gen_pool_best_fit' filepath='lib/genalloc.c' line='748' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_best_fit'>
+ <parameter type-id='1d2c2b85' name='map' filepath='lib/genalloc.c' line='748' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/genalloc.c' line='748' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='lib/genalloc.c' line='749' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='lib/genalloc.c' line='749' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='749' column='1'/>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='750' column='1'/>
+ <parameter type-id='7359adad' name='start_addr' filepath='lib/genalloc.c' line='750' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='gen_pool_create' mangled-name='gen_pool_create' filepath='lib/genalloc.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_create'>
+ <parameter type-id='95e97e5e' name='min_alloc_order' filepath='lib/genalloc.c' line='152' column='1'/>
+ <parameter type-id='95e97e5e' name='nid' filepath='lib/genalloc.c' line='152' column='1'/>
+ <return type-id='75b9415a'/>
+ </function-decl>
+ <function-decl name='gen_pool_destroy' mangled-name='gen_pool_destroy' filepath='lib/genalloc.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_destroy'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='241' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gen_pool_dma_alloc' mangled-name='gen_pool_dma_alloc' filepath='lib/genalloc.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_dma_alloc'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='340' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='340' column='1'/>
+ <parameter type-id='e835b5d8' name='dma' filepath='lib/genalloc.c' line='340' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='gen_pool_dma_alloc_align' mangled-name='gen_pool_dma_alloc_align' filepath='lib/genalloc.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_dma_alloc_align'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='394' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='394' column='1'/>
+ <parameter type-id='e835b5d8' name='dma' filepath='lib/genalloc.c' line='395' column='1'/>
+ <parameter type-id='95e97e5e' name='align' filepath='lib/genalloc.c' line='395' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='gen_pool_dma_zalloc_align' mangled-name='gen_pool_dma_zalloc_align' filepath='lib/genalloc.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_dma_zalloc_align'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='465' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='465' column='1'/>
+ <parameter type-id='e835b5d8' name='dma' filepath='lib/genalloc.c' line='466' column='1'/>
+ <parameter type-id='95e97e5e' name='align' filepath='lib/genalloc.c' line='466' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='gen_pool_first_fit_align' mangled-name='gen_pool_first_fit_align' filepath='lib/genalloc.c' line='663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_first_fit_align'>
+ <parameter type-id='1d2c2b85' name='map' filepath='lib/genalloc.c' line='663' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/genalloc.c' line='663' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='lib/genalloc.c' line='664' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='lib/genalloc.c' line='664' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='664' column='1'/>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='665' column='1'/>
+ <parameter type-id='7359adad' name='start_addr' filepath='lib/genalloc.c' line='665' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='gen_pool_first_fit_order_align' mangled-name='gen_pool_first_fit_order_align' filepath='lib/genalloc.c' line='724' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_first_fit_order_align'>
+ <parameter type-id='1d2c2b85' name='map' filepath='lib/genalloc.c' line='724' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/genalloc.c' line='725' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='lib/genalloc.c' line='725' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='lib/genalloc.c' line='726' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='726' column='1'/>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='726' column='1'/>
+ <parameter type-id='7359adad' name='start_addr' filepath='lib/genalloc.c' line='727' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='gen_pool_free_owner' mangled-name='gen_pool_free_owner' filepath='lib/genalloc.c' line='486' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_free_owner'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='486' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='lib/genalloc.c' line='486' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='486' column='1'/>
+ <parameter type-id='63e171df' name='owner' filepath='lib/genalloc.c' line='487' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gen_pool_has_addr' mangled-name='gen_pool_has_addr' filepath='lib/genalloc.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_has_addr'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='552' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='lib/genalloc.c' line='552' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/genalloc.c' line='553' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='gen_pool_set_algo' mangled-name='gen_pool_set_algo' filepath='lib/genalloc.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_set_algo'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='621' column='1'/>
+ <parameter type-id='00278b91' name='algo' filepath='lib/genalloc.c' line='621' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/genalloc.c' line='621' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gen_pool_size' mangled-name='gen_pool_size' filepath='lib/genalloc.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_size'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='598' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='gen_pool_virt_to_phys' mangled-name='gen_pool_virt_to_phys' filepath='lib/genalloc.c' line='216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gen_pool_virt_to_phys'>
+ <parameter type-id='75b9415a' name='pool' filepath='lib/genalloc.c' line='216' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='lib/genalloc.c' line='216' column='1'/>
+ <return type-id='2522883d'/>
+ </function-decl>
+ <function-decl name='generic_delete_inode' mangled-name='generic_delete_inode' filepath='fs/inode.c' line='1600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_delete_inode'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/inode.c' line='1600' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='generic_device_group' mangled-name='generic_device_group' filepath='drivers/iommu/iommu.c' line='1379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_device_group'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1379' column='1'/>
+ <return type-id='0b19fc54'/>
+ </function-decl>
+ <function-decl name='generic_file_llseek' mangled-name='generic_file_llseek' filepath='fs/read_write.c' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_file_llseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='144' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='144' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='144' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <function-decl name='generic_file_read_iter' mangled-name='generic_file_read_iter' filepath='mm/filemap.c' line='2515' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_file_read_iter'>
+ <parameter type-id='80f25feb' name='iocb' filepath='mm/filemap.c' line='2515' column='1'/>
+ <parameter type-id='4fa10f9e' name='iter' filepath='mm/filemap.c' line='2515' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='generic_handle_irq' mangled-name='generic_handle_irq' filepath='kernel/irq/irqdesc.c' line='638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_handle_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/irqdesc.c' line='638' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='generic_iommu_put_resv_regions' mangled-name='generic_iommu_put_resv_regions' filepath='drivers/iommu/iommu.c' line='2811' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_iommu_put_resv_regions'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2811' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='drivers/iommu/iommu.c' line='2811' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='generic_mii_ioctl' mangled-name='generic_mii_ioctl' filepath='drivers/net/mii.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_mii_ioctl'>
+ <parameter type-id='f0150b1d' name='mii_if' filepath='drivers/net/mii.c' line='584' column='1'/>
+ <parameter type-id='eb5662e5' name='mii_data' filepath='drivers/net/mii.c' line='585' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='drivers/net/mii.c' line='585' column='1'/>
+ <parameter type-id='807869d3' name='duplex_chg_out' filepath='drivers/net/mii.c' line='586' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='generic_perform_write' mangled-name='generic_perform_write' filepath='mm/filemap.c' line='3427' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_perform_write'>
+ <parameter type-id='77e79a4b' name='file' filepath='mm/filemap.c' line='3427' column='1'/>
+ <parameter type-id='4fa10f9e' name='i' filepath='mm/filemap.c' line='3428' column='1'/>
+ <parameter type-id='69bf7bee' name='pos' filepath='mm/filemap.c' line='3428' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='generic_shutdown_super' mangled-name='generic_shutdown_super' filepath='fs/super.c' line='442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_shutdown_super'>
+ <parameter type-id='42c8f564' name='sb' filepath='fs/super.c' line='442' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='generic_write_checks' mangled-name='generic_write_checks' filepath='fs/read_write.c' line='1635' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='generic_write_checks'>
+ <parameter type-id='80f25feb' name='iocb' filepath='fs/read_write.c' line='1635' column='1'/>
+ <parameter type-id='4fa10f9e' name='from' filepath='fs/read_write.c' line='1635' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='genl_notify' mangled-name='genl_notify' filepath='net/netlink/genetlink.c' line='1461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genl_notify'>
+ <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='1461' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/genetlink.c' line='1461' column='1'/>
+ <parameter type-id='31b542ce' name='info' filepath='net/netlink/genetlink.c' line='1462' column='1'/>
+ <parameter type-id='19c2251e' name='group' filepath='net/netlink/genetlink.c' line='1462' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='net/netlink/genetlink.c' line='1462' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='genl_register_family' mangled-name='genl_register_family' filepath='net/netlink/genetlink.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genl_register_family'>
+ <parameter type-id='8f6b937a' name='family' filepath='net/netlink/genetlink.c' line='392' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genl_unregister_family' mangled-name='genl_unregister_family' filepath='net/netlink/genetlink.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genl_unregister_family'>
+ <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='461' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genlmsg_multicast_allns' mangled-name='genlmsg_multicast_allns' filepath='net/netlink/genetlink.c' line='1450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genlmsg_multicast_allns'>
+ <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='1450' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/genetlink.c' line='1451' column='1'/>
+ <parameter type-id='19c2251e' name='portid' filepath='net/netlink/genetlink.c' line='1451' column='1'/>
+ <parameter type-id='f0981eeb' name='group' filepath='net/netlink/genetlink.c' line='1452' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='net/netlink/genetlink.c' line='1452' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genlmsg_put' mangled-name='genlmsg_put' filepath='net/netlink/genetlink.c' line='496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genlmsg_put'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/genetlink.c' line='496' column='1'/>
+ <parameter type-id='19c2251e' name='portid' filepath='net/netlink/genetlink.c' line='496' column='1'/>
+ <parameter type-id='19c2251e' name='seq' filepath='net/netlink/genetlink.c' line='496' column='1'/>
+ <parameter type-id='63d7819b' name='family' filepath='net/netlink/genetlink.c' line='497' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/netlink/genetlink.c' line='497' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='net/netlink/genetlink.c' line='497' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='genphy_aneg_done' mangled-name='genphy_aneg_done' filepath='drivers/net/phy/phy_device.c' line='2173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_aneg_done'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_read_abilities' mangled-name='genphy_read_abilities' filepath='drivers/net/phy/phy_device.c' line='2463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_read_abilities'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2463' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_read_lpa' mangled-name='genphy_read_lpa' filepath='drivers/net/phy/phy_device.c' line='2234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_read_lpa'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2234' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_read_mmd_unsupported' mangled-name='genphy_read_mmd_unsupported' filepath='drivers/net/phy/phy_device.c' line='2508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_read_mmd_unsupported'>
+ <parameter type-id='7efbcaaf' name='phdev' filepath='drivers/net/phy/phy_device.c' line='2508' column='1'/>
+ <parameter type-id='95e97e5e' name='devad' filepath='drivers/net/phy/phy_device.c' line='2508' column='1'/>
+ <parameter type-id='1dc6a898' name='regnum' filepath='drivers/net/phy/phy_device.c' line='2508' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_read_status' mangled-name='genphy_read_status' filepath='drivers/net/phy/phy_device.c' line='2320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_read_status'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2320' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_restart_aneg' mangled-name='genphy_restart_aneg' filepath='drivers/net/phy/phy_device.c' line='2044' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_restart_aneg'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2044' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_resume' mangled-name='genphy_resume' filepath='drivers/net/phy/phy_device.c' line='2527' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_resume'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2527' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_soft_reset' mangled-name='genphy_soft_reset' filepath='drivers/net/phy/phy_device.c' line='2424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_soft_reset'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2424' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_suspend' mangled-name='genphy_suspend' filepath='drivers/net/phy/phy_device.c' line='2521' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_suspend'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2521' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_update_link' mangled-name='genphy_update_link' filepath='drivers/net/phy/phy_device.c' line='2189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_update_link'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2189' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='genphy_write_mmd_unsupported' mangled-name='genphy_write_mmd_unsupported' filepath='drivers/net/phy/phy_device.c' line='2514' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='genphy_write_mmd_unsupported'>
+ <parameter type-id='7efbcaaf' name='phdev' filepath='drivers/net/phy/phy_device.c' line='2514' column='1'/>
+ <parameter type-id='95e97e5e' name='devnum' filepath='drivers/net/phy/phy_device.c' line='2514' column='1'/>
+ <parameter type-id='1dc6a898' name='regnum' filepath='drivers/net/phy/phy_device.c' line='2515' column='1'/>
+ <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/phy_device.c' line='2515' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_cpu_device' mangled-name='get_cpu_device' filepath='drivers/base/cpu.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_device'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/base/cpu.c' line='391' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='get_cpu_idle_time' mangled-name='get_cpu_idle_time' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_idle_time'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1'/>
+ <parameter type-id='3df9fd28' name='wall' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1'/>
+ <parameter type-id='95e97e5e' name='io_busy' filepath='drivers/cpufreq/cpufreq.c' line='152' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='get_cpu_idle_time_us' mangled-name='get_cpu_idle_time_us' filepath='kernel/time/tick-sched.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_idle_time_us'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/tick-sched.c' line='594' column='1'/>
+ <parameter type-id='3df9fd28' name='last_update_time' filepath='kernel/time/tick-sched.c' line='594' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='get_cpu_iowait_time_us' mangled-name='get_cpu_iowait_time_us' filepath='kernel/time/tick-sched.c' line='635' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_cpu_iowait_time_us'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/tick-sched.c' line='635' column='1'/>
+ <parameter type-id='3df9fd28' name='last_update_time' filepath='kernel/time/tick-sched.c' line='635' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='get_device' mangled-name='get_device' filepath='drivers/base/core.c' line='3326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3326' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='get_device_system_crosststamp' mangled-name='get_device_system_crosststamp' filepath='kernel/time/timekeeping.c' line='1190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_device_system_crosststamp'>
+ <parameter type-id='d5d36d38' name='get_time_fn' filepath='kernel/time/timekeeping.c' line='1190' column='1'/>
+ <parameter type-id='eaa32e2f' name='ctx' filepath='kernel/time/timekeeping.c' line='1194' column='1'/>
+ <parameter type-id='9e33b18d' name='history_begin' filepath='kernel/time/timekeeping.c' line='1195' column='1'/>
+ <parameter type-id='587b4de3' name='xtstamp' filepath='kernel/time/timekeeping.c' line='1196' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_each_dmabuf' mangled-name='get_each_dmabuf' filepath='drivers/dma-buf/dma-buf.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_each_dmabuf'>
+ <parameter type-id='dcbbb1fc' name='callback' filepath='drivers/dma-buf/dma-buf.c' line='46' column='1'/>
+ <parameter type-id='eaa32e2f' name='private' filepath='drivers/dma-buf/dma-buf.c' line='47' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_each_object_track' mangled-name='get_each_object_track' filepath='mm/slub.c' line='580' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_each_object_track'>
+ <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='580' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/slub.c' line='581' column='1'/>
+ <parameter type-id='aaa40ef7' name='alloc' filepath='mm/slub.c' line='581' column='1'/>
+ <parameter type-id='aaaad27f' name='fn' filepath='mm/slub.c' line='582' column='1'/>
+ <parameter type-id='eaa32e2f' name='private' filepath='mm/slub.c' line='583' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='get_freelist_nr_pages' mangled-name='get_freelist_nr_pages' filepath='drivers/dma-buf/heaps/deferred-free-helper.c' line='65' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_freelist_nr_pages'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='get_governor_parent_kobj' mangled-name='get_governor_parent_kobj' filepath='drivers/cpufreq/cpufreq.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_governor_parent_kobj'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='118' column='1'/>
+ <return type-id='d30bdc51'/>
+ </function-decl>
+ <function-decl name='get_kernel_pages' mangled-name='get_kernel_pages' filepath='mm/swap.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_kernel_pages'>
+ <parameter type-id='5199c30d' name='kiov' filepath='mm/swap.c' line='169' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_segs' filepath='mm/swap.c' line='169' column='1'/>
+ <parameter type-id='95e97e5e' name='write' filepath='mm/swap.c' line='169' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/swap.c' line='170' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_net_ns_by_fd' mangled-name='get_net_ns_by_fd' filepath='net/core/net_namespace.c' line='669' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_net_ns_by_fd'>
+ <parameter type-id='95e97e5e' name='fd' filepath='net/core/net_namespace.c' line='669' column='1'/>
+ <return type-id='a2bff676'/>
+ </function-decl>
+ <function-decl name='get_net_ns_by_pid' mangled-name='get_net_ns_by_pid' filepath='net/core/net_namespace.c' line='697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_net_ns_by_pid'>
+ <parameter type-id='587f89d2' name='pid' filepath='net/core/net_namespace.c' line='697' column='1'/>
+ <return type-id='a2bff676'/>
+ </function-decl>
+ <function-decl name='get_next_ino' mangled-name='get_next_ino' filepath='fs/inode.c' line='894' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_next_ino'>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='get_option' mangled-name='get_option' filepath='lib/cmdline.c' line='50' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_option'>
+ <parameter type-id='9b23c9ad' name='str' filepath='lib/cmdline.c' line='50' column='1'/>
+ <parameter type-id='7292109c' name='pint' filepath='lib/cmdline.c' line='50' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_options' mangled-name='get_options' filepath='lib/cmdline.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_options'>
+ <parameter type-id='80f4b756' name='str' filepath='lib/cmdline.c' line='87' column='1'/>
+ <parameter type-id='95e97e5e' name='nints' filepath='lib/cmdline.c' line='87' column='1'/>
+ <parameter type-id='7292109c' name='ints' filepath='lib/cmdline.c' line='87' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='get_page_owner_handle' mangled-name='get_page_owner_handle' filepath='mm/page_owner.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_page_owner_handle'>
+ <parameter type-id='459ae684' name='page_ext' filepath='mm/page_owner.c' line='108' column='1'/>
+ <parameter type-id='7359adad' name='pfn' filepath='mm/page_owner.c' line='108' column='1'/>
+ <return type-id='613ae993'/>
+ </function-decl>
+ <function-decl name='get_pfnblock_flags_mask' mangled-name='get_pfnblock_flags_mask' filepath='mm/page_alloc.c' line='531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_pfnblock_flags_mask'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='531' column='1'/>
+ <parameter type-id='7359adad' name='pfn' filepath='mm/page_alloc.c' line='531' column='1'/>
+ <parameter type-id='7359adad' name='mask' filepath='mm/page_alloc.c' line='532' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='get_pid_task' mangled-name='get_pid_task' filepath='kernel/pid.c' line='449' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_pid_task'>
+ <parameter type-id='b94e5398' name='pid' filepath='kernel/pid.c' line='449' column='1'/>
+ <parameter type-id='ce78cf46' name='type' filepath='kernel/pid.c' line='449' column='1'/>
+ <return type-id='f23e2572'/>
+ </function-decl>
+ <function-decl name='get_random_bytes' mangled-name='get_random_bytes' filepath='drivers/char/random.c' line='1570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_random_bytes'>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/char/random.c' line='1570' column='1'/>
+ <parameter type-id='95e97e5e' name='nbytes' filepath='drivers/char/random.c' line='1570' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='get_random_bytes_arch' mangled-name='get_random_bytes_arch' filepath='drivers/char/random.c' line='1742' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_random_bytes_arch'>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/char/random.c' line='1742' column='1'/>
+ <parameter type-id='95e97e5e' name='nbytes' filepath='drivers/char/random.c' line='1742' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_random_u32' mangled-name='get_random_u32' filepath='drivers/char/random.c' line='2214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_random_u32'>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='get_random_u64' mangled-name='get_random_u64' filepath='drivers/char/random.c' line='2190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_random_u64'>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='get_sg_io_hdr' mangled-name='get_sg_io_hdr' filepath='block/scsi_ioctl.c' line='591' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_sg_io_hdr'>
+ <parameter type-id='75d4b09d' name='hdr' filepath='block/scsi_ioctl.c' line='591' column='1'/>
+ <parameter type-id='eaa32e2f' name='argp' filepath='block/scsi_ioctl.c' line='591' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_slabinfo' mangled-name='get_slabinfo' filepath='mm/slub.c' line='5881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_slabinfo'>
+ <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='5881' column='1'/>
+ <parameter type-id='d225de01' name='sinfo' filepath='mm/slub.c' line='5881' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='get_state_synchronize_rcu' mangled-name='get_state_synchronize_rcu' filepath='kernel/rcu/tree.c' line='3688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_state_synchronize_rcu'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='get_task_exe_file' mangled-name='get_task_exe_file' filepath='kernel/fork.c' line='1228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_task_exe_file'>
+ <parameter type-id='f23e2572' name='task' filepath='kernel/fork.c' line='1228' column='1'/>
+ <return type-id='77e79a4b'/>
+ </function-decl>
+ <function-decl name='get_task_mm' mangled-name='get_task_mm' filepath='kernel/fork.c' line='1253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_task_mm'>
+ <parameter type-id='f23e2572' name='task' filepath='kernel/fork.c' line='1253' column='1'/>
+ <return type-id='df4b7819'/>
+ </function-decl>
+ <function-decl name='get_task_pid' mangled-name='get_task_pid' filepath='kernel/pid.c' line='439' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_task_pid'>
+ <parameter type-id='f23e2572' name='task' filepath='kernel/pid.c' line='439' column='1'/>
+ <parameter type-id='ce78cf46' name='type' filepath='kernel/pid.c' line='439' column='1'/>
+ <return type-id='b94e5398'/>
+ </function-decl>
+ <function-decl name='get_thermal_instance' mangled-name='get_thermal_instance' filepath='drivers/thermal/thermal_helpers.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_thermal_instance'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_helpers.c' line='45' column='1'/>
+ <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/thermal_helpers.c' line='46' column='1'/>
+ <parameter type-id='95e97e5e' name='trip' filepath='drivers/thermal/thermal_helpers.c' line='46' column='1'/>
+ <return type-id='7bf821a0'/>
+ </function-decl>
+ <function-decl name='get_tree_single' mangled-name='get_tree_single' filepath='fs/super.c' line='1225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_tree_single'>
+ <parameter type-id='5760dcb0' name='fc' filepath='fs/super.c' line='1225' column='1'/>
+ <parameter type-id='30341fa1' name='fill_super' filepath='fs/super.c' line='1226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_unmapped_area' mangled-name='get_unmapped_area' filepath='mm/mmap.c' line='2337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_unmapped_area'>
+ <parameter type-id='77e79a4b' name='file' filepath='mm/mmap.c' line='2337' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/mmap.c' line='2337' column='1'/>
+ <parameter type-id='7359adad' name='len' filepath='mm/mmap.c' line='2337' column='1'/>
+ <parameter type-id='7359adad' name='pgoff' filepath='mm/mmap.c' line='2338' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='mm/mmap.c' line='2338' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='get_unused_fd_flags' mangled-name='get_unused_fd_flags' filepath='fs/file.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_unused_fd_flags'>
+ <parameter type-id='f0981eeb' name='flags' filepath='fs/file.c' line='561' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_user_pages' mangled-name='get_user_pages' filepath='mm/gup.c' line='1947' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_user_pages'>
+ <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='1947' column='1'/>
+ <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='1947' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='1948' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='1948' column='1'/>
+ <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='1949' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='get_user_pages_fast' mangled-name='get_user_pages_fast' filepath='mm/gup.c' line='2842' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_user_pages_fast'>
+ <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2842' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_pages' filepath='mm/gup.c' line='2842' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2843' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2843' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_user_pages_remote' mangled-name='get_user_pages_remote' filepath='mm/gup.c' line='1900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_user_pages_remote'>
+ <parameter type-id='df4b7819' name='mm' filepath='mm/gup.c' line='1900' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='1901' column='1'/>
+ <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='1901' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='1902' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='1902' column='1'/>
+ <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='1903' column='1'/>
+ <parameter type-id='7292109c' name='locked' filepath='mm/gup.c' line='1903' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='get_vaddr_frames' mangled-name='get_vaddr_frames' filepath='mm/frame_vector.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_vaddr_frames'>
+ <parameter type-id='7359adad' name='start' filepath='mm/frame_vector.c' line='34' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_frames' filepath='mm/frame_vector.c' line='34' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/frame_vector.c' line='35' column='1'/>
+ <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='get_wchan' mangled-name='get_wchan' filepath='arch/arm64/kernel/process.c' line='601' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_wchan'>
+ <parameter type-id='f23e2572' name='p' filepath='arch/arm64/kernel/process.c' line='601' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='get_zeroed_page' mangled-name='get_zeroed_page' filepath='mm/page_alloc.c' line='5156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='get_zeroed_page'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/page_alloc.c' line='5156' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='getboottime64' mangled-name='getboottime64' filepath='kernel/time/timekeeping.c' line='2224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='getboottime64'>
+ <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='2224' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gf128mul_lle' mangled-name='gf128mul_lle' filepath='crypto/gf128mul.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gf128mul_lle'>
+ <parameter type-id='342f43d1' name='r' filepath='crypto/gf128mul.c' line='170' column='1'/>
+ <parameter type-id='2a82ed9c' name='b' filepath='crypto/gf128mul.c' line='170' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gfp_zone' mangled-name='gfp_zone' filepath='mm/mmzone.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gfp_zone'>
+ <parameter type-id='3eb7c31c' name='flags' filepath='mm/mmzone.c' line='119' column='1'/>
+ <return type-id='d278ff03'/>
+ </function-decl>
+ <var-decl name='gic_nonsecure_priorities' type-id='237c0d27' mangled-name='gic_nonsecure_priorities' visibility='default' filepath='drivers/irqchip/irq-gic-v3.c' line='92' column='1' elf-symbol-id='gic_nonsecure_priorities'/>
+ <function-decl name='gic_resume' mangled-name='gic_resume' filepath='drivers/irqchip/irq-gic-v3.c' line='1311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gic_resume'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='glob_match' mangled-name='glob_match' filepath='lib/glob.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='glob_match'>
+ <parameter type-id='80f4b756' name='pat' filepath='lib/glob.c' line='40' column='1'/>
+ <parameter type-id='80f4b756' name='str' filepath='lib/glob.c' line='40' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='gnss_allocate_device' mangled-name='gnss_allocate_device' filepath='drivers/gnss/core.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gnss_allocate_device'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/gnss/core.c' line='224' column='1'/>
+ <return type-id='94411a61'/>
+ </function-decl>
+ <function-decl name='gnss_deregister_device' mangled-name='gnss_deregister_device' filepath='drivers/gnss/core.c' line='301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gnss_deregister_device'>
+ <parameter type-id='94411a61' name='gdev' filepath='drivers/gnss/core.c' line='301' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gnss_insert_raw' mangled-name='gnss_insert_raw' filepath='drivers/gnss/core.c' line='320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gnss_insert_raw'>
+ <parameter type-id='94411a61' name='gdev' filepath='drivers/gnss/core.c' line='320' column='1'/>
+ <parameter type-id='354f7eb9' name='buf' filepath='drivers/gnss/core.c' line='320' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='drivers/gnss/core.c' line='321' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gnss_put_device' mangled-name='gnss_put_device' filepath='drivers/gnss/core.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gnss_put_device'>
+ <parameter type-id='94411a61' name='gdev' filepath='drivers/gnss/core.c' line='277' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gnss_register_device' mangled-name='gnss_register_device' filepath='drivers/gnss/core.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gnss_register_device'>
+ <parameter type-id='94411a61' name='gdev' filepath='drivers/gnss/core.c' line='283' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gov_attr_set_get' mangled-name='gov_attr_set_get' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_attr_set_get'>
+ <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='57' column='1'/>
+ <parameter type-id='e84b031a' name='list_node' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='57' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gov_attr_set_init' mangled-name='gov_attr_set_init' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_attr_set_init'>
+ <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='48' column='1'/>
+ <parameter type-id='e84b031a' name='list_node' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='48' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gov_attr_set_put' mangled-name='gov_attr_set_put' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_attr_set_put'>
+ <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='66' column='1'/>
+ <parameter type-id='e84b031a' name='list_node' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='66' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='gov_update_cpu_data' mangled-name='gov_update_cpu_data' filepath='drivers/cpufreq/cpufreq_governor.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gov_update_cpu_data'>
+ <parameter type-id='280461d5' name='dbs_data' filepath='drivers/cpufreq/cpufreq_governor.c' line='95' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='governor_sysfs_ops' type-id='0f840455' mangled-name='governor_sysfs_ops' visibility='default' filepath='drivers/cpufreq/cpufreq_governor_attr_set.c' line='42' column='1' elf-symbol-id='governor_sysfs_ops'/>
+ <function-decl name='gpio_free' mangled-name='gpio_free' filepath='drivers/gpio/gpiolib-legacy.c' line='9' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_free'>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-legacy.c' line='9' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpio_free_array' mangled-name='gpio_free_array' filepath='drivers/gpio/gpiolib-legacy.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_free_array'>
+ <parameter type-id='33fb8cab' name='array' filepath='drivers/gpio/gpiolib-legacy.c' line='108' column='1'/>
+ <parameter type-id='b59d7dce' name='num' filepath='drivers/gpio/gpiolib-legacy.c' line='108' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpio_request' mangled-name='gpio_request' filepath='drivers/gpio/gpiolib-legacy.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_request'>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-legacy.c' line='68' column='1'/>
+ <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-legacy.c' line='68' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpio_request_array' mangled-name='gpio_request_array' filepath='drivers/gpio/gpiolib-legacy.c' line='85' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_request_array'>
+ <parameter type-id='33fb8cab' name='array' filepath='drivers/gpio/gpiolib-legacy.c' line='85' column='1'/>
+ <parameter type-id='b59d7dce' name='num' filepath='drivers/gpio/gpiolib-legacy.c' line='85' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpio_request_one' mangled-name='gpio_request_one' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_request_one'>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1'/>
+ <parameter type-id='80f4b756' name='label' filepath='drivers/gpio/gpiolib-legacy.c' line='21' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpio_to_desc' mangled-name='gpio_to_desc' filepath='drivers/gpio/gpiolib.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpio_to_desc'>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/gpio/gpiolib.c' line='108' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='gpiochip_add_data_with_key' mangled-name='gpiochip_add_data_with_key' filepath='drivers/gpio/gpiolib.c' line='571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_add_data_with_key'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='571' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpio/gpiolib.c' line='571' column='1'/>
+ <parameter type-id='a57283f9' name='lock_key' filepath='drivers/gpio/gpiolib.c' line='572' column='1'/>
+ <parameter type-id='a57283f9' name='request_key' filepath='drivers/gpio/gpiolib.c' line='573' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiochip_add_pin_range' mangled-name='gpiochip_add_pin_range' filepath='drivers/gpio/gpiolib.c' line='1918' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_add_pin_range'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1918' column='1'/>
+ <parameter type-id='80f4b756' name='pinctl_name' filepath='drivers/gpio/gpiolib.c' line='1918' column='1'/>
+ <parameter type-id='f0981eeb' name='gpio_offset' filepath='drivers/gpio/gpiolib.c' line='1919' column='1'/>
+ <parameter type-id='f0981eeb' name='pin_offset' filepath='drivers/gpio/gpiolib.c' line='1919' column='1'/>
+ <parameter type-id='f0981eeb' name='npins' filepath='drivers/gpio/gpiolib.c' line='1920' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiochip_find' mangled-name='gpiochip_find' filepath='drivers/gpio/gpiolib.c' line='870' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_find'>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpio/gpiolib.c' line='870' column='1'/>
+ <parameter type-id='7a52b9cd' name='match' filepath='drivers/gpio/gpiolib.c' line='871' column='1'/>
+ <return type-id='e324928d'/>
+ </function-decl>
+ <function-decl name='gpiochip_generic_config' mangled-name='gpiochip_generic_config' filepath='drivers/gpio/gpiolib.c' line='1839' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_generic_config'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1839' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='1839' column='1'/>
+ <parameter type-id='7359adad' name='config' filepath='drivers/gpio/gpiolib.c' line='1840' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiochip_generic_free' mangled-name='gpiochip_generic_free' filepath='drivers/gpio/gpiolib.c' line='1822' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_generic_free'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1822' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='1822' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiochip_generic_request' mangled-name='gpiochip_generic_request' filepath='drivers/gpio/gpiolib.c' line='1806' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_generic_request'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1806' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='1806' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiochip_get_data' mangled-name='gpiochip_get_data' filepath='drivers/gpio/gpiolib.c' line='803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_get_data'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='803' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='gpiochip_line_is_valid' mangled-name='gpiochip_line_is_valid' filepath='drivers/gpio/gpiolib.c' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_line_is_valid'>
+ <parameter type-id='a171e66c' name='gc' filepath='drivers/gpio/gpiolib.c' line='462' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='463' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='gpiochip_lock_as_irq' mangled-name='gpiochip_lock_as_irq' filepath='drivers/gpio/gpiolib.c' line='3231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_lock_as_irq'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='3231' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='3231' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiochip_populate_parent_fwspec_fourcell' mangled-name='gpiochip_populate_parent_fwspec_fourcell' filepath='drivers/gpio/gpiolib.c' line='1266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_populate_parent_fwspec_fourcell'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='1266' column='1'/>
+ <parameter type-id='f0981eeb' name='parent_hwirq' filepath='drivers/gpio/gpiolib.c' line='1267' column='1'/>
+ <parameter type-id='f0981eeb' name='parent_type' filepath='drivers/gpio/gpiolib.c' line='1268' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='gpiochip_remove' mangled-name='gpiochip_remove' filepath='drivers/gpio/gpiolib.c' line='815' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_remove'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='815' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiochip_unlock_as_irq' mangled-name='gpiochip_unlock_as_irq' filepath='drivers/gpio/gpiolib.c' line='3285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiochip_unlock_as_irq'>
+ <parameter type-id='e324928d' name='gc' filepath='drivers/gpio/gpiolib.c' line='3285' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/gpio/gpiolib.c' line='3285' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiod_cansleep' mangled-name='gpiod_cansleep' filepath='drivers/gpio/gpiolib.c' line='3160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_cansleep'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3160' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_count' mangled-name='gpiod_count' filepath='drivers/gpio/gpiolib.c' line='3816' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_count'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib.c' line='3816' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib.c' line='3816' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_direction_input' mangled-name='gpiod_direction_input' filepath='drivers/gpio/gpiolib.c' line='2318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_direction_input'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2318' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_direction_output' mangled-name='gpiod_direction_output' filepath='drivers/gpio/gpiolib.c' line='2437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_direction_output'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2437' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='2437' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_direction_output_raw' mangled-name='gpiod_direction_output_raw' filepath='drivers/gpio/gpiolib.c' line='2418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_direction_output_raw'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2418' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='2418' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_get_direction' mangled-name='gpiod_get_direction' filepath='drivers/gpio/gpiolib.c' line='215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_direction'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='215' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_get_optional' mangled-name='gpiod_get_optional' filepath='drivers/gpio/gpiolib.c' line='3859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_optional'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpio/gpiolib.c' line='3859' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/gpio/gpiolib.c' line='3860' column='1'/>
+ <parameter type-id='38d4936d' name='flags' filepath='drivers/gpio/gpiolib.c' line='3861' column='1'/>
+ <return type-id='26760480'/>
+ </function-decl>
+ <function-decl name='gpiod_get_raw_value' mangled-name='gpiod_get_raw_value' filepath='drivers/gpio/gpiolib.c' line='2769' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_raw_value'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='2769' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_get_raw_value_cansleep' mangled-name='gpiod_get_raw_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3398' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_raw_value_cansleep'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3398' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_get_value' mangled-name='gpiod_get_value' filepath='drivers/gpio/gpiolib.c' line='2788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_value'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='2788' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_get_value_cansleep' mangled-name='gpiod_get_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3415' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_get_value_cansleep'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3415' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_is_active_low' mangled-name='gpiod_is_active_low' filepath='drivers/gpio/gpiolib.c' line='2584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_is_active_low'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='2584' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_put' mangled-name='gpiod_put' filepath='drivers/gpio/gpiolib.c' line='4331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_put'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='4331' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiod_set_array_value_cansleep' mangled-name='gpiod_set_array_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_array_value_cansleep'>
+ <parameter type-id='f0981eeb' name='array_size' filepath='drivers/gpio/gpiolib.c' line='3575' column='1'/>
+ <parameter type-id='35c9579e' name='desc_array' filepath='drivers/gpio/gpiolib.c' line='3576' column='1'/>
+ <parameter type-id='ae0aa6a2' name='array_info' filepath='drivers/gpio/gpiolib.c' line='3577' column='1'/>
+ <parameter type-id='1d2c2b85' name='value_bitmap' filepath='drivers/gpio/gpiolib.c' line='3578' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_set_consumer_name' mangled-name='gpiod_set_consumer_name' filepath='drivers/gpio/gpiolib.c' line='3172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_consumer_name'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3172' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/gpio/gpiolib.c' line='3172' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_set_debounce' mangled-name='gpiod_set_debounce' filepath='drivers/gpio/gpiolib.c' line='2528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_debounce'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='2528' column='1'/>
+ <parameter type-id='f0981eeb' name='debounce' filepath='drivers/gpio/gpiolib.c' line='2528' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gpiod_set_raw_value' mangled-name='gpiod_set_raw_value' filepath='drivers/gpio/gpiolib.c' line='3054' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_raw_value'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3054' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3054' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiod_set_raw_value_cansleep' mangled-name='gpiod_set_raw_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3495' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_raw_value_cansleep'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3495' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3495' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiod_set_value' mangled-name='gpiod_set_value' filepath='drivers/gpio/gpiolib.c' line='3095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_value'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3095' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3095' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiod_set_value_cansleep' mangled-name='gpiod_set_value_cansleep' filepath='drivers/gpio/gpiolib.c' line='3513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_set_value_cansleep'>
+ <parameter type-id='26760480' name='desc' filepath='drivers/gpio/gpiolib.c' line='3513' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='drivers/gpio/gpiolib.c' line='3513' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gpiod_to_chip' mangled-name='gpiod_to_chip' filepath='drivers/gpio/gpiolib.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_to_chip'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='175' column='1'/>
+ <return type-id='e324928d'/>
+ </function-decl>
+ <function-decl name='gpiod_to_irq' mangled-name='gpiod_to_irq' filepath='drivers/gpio/gpiolib.c' line='3195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gpiod_to_irq'>
+ <parameter type-id='5bed570d' name='desc' filepath='drivers/gpio/gpiolib.c' line='3195' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gro_cells_destroy' mangled-name='gro_cells_destroy' filepath='net/core/gro_cells.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gro_cells_destroy'>
+ <parameter type-id='2c36d3bb' name='gcells' filepath='net/core/gro_cells.c' line='92' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='gro_cells_init' mangled-name='gro_cells_init' filepath='net/core/gro_cells.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gro_cells_init'>
+ <parameter type-id='2c36d3bb' name='gcells' filepath='net/core/gro_cells.c' line='69' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/gro_cells.c' line='69' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gro_cells_receive' mangled-name='gro_cells_receive' filepath='net/core/gro_cells.c' line='12' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gro_cells_receive'>
+ <parameter type-id='2c36d3bb' name='gcells' filepath='net/core/gro_cells.c' line='12' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/gro_cells.c' line='12' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gserial_alloc_line' mangled-name='gserial_alloc_line' filepath='drivers/usb/gadget/function/u_serial.c' line='1261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gserial_alloc_line'>
+ <parameter type-id='cf536864' name='line_num' filepath='drivers/usb/gadget/function/u_serial.c' line='1261' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gserial_connect' mangled-name='gserial_connect' filepath='drivers/usb/gadget/function/u_serial.c' line='1293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gserial_connect'>
+ <parameter type-id='3921c1a0' name='gser' filepath='drivers/usb/gadget/function/u_serial.c' line='1293' column='1'/>
+ <parameter type-id='f9b06939' name='port_num' filepath='drivers/usb/gadget/function/u_serial.c' line='1293' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='gserial_disconnect' mangled-name='gserial_disconnect' filepath='drivers/usb/gadget/function/u_serial.c' line='1369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='gserial_disconnect'>
+ <parameter type-id='3921c1a0' name='gser' filepath='drivers/usb/gadget/function/u_serial.c' line='1369' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='guid_gen' mangled-name='guid_gen' filepath='lib/uuid.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='guid_gen'>
+ <parameter type-id='e8a80ab7' name='lu' filepath='lib/uuid.c' line='60' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_bad_irq' mangled-name='handle_bad_irq' filepath='kernel/irq/handle.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_bad_irq'>
+ <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/handle.c' line='31' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_edge_irq' mangled-name='handle_edge_irq' filepath='kernel/irq/chip.c' line='793' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_edge_irq'>
+ <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='793' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_fasteoi_ack_irq' mangled-name='handle_fasteoi_ack_irq' filepath='kernel/irq/chip.c' line='1248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_fasteoi_ack_irq'>
+ <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='1248' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_fasteoi_irq' mangled-name='handle_fasteoi_irq' filepath='kernel/irq/chip.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_fasteoi_irq'>
+ <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='707' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_level_irq' mangled-name='handle_level_irq' filepath='kernel/irq/chip.c' line='648' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_level_irq'>
+ <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='648' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_nested_irq' mangled-name='handle_nested_irq' filepath='kernel/irq/chip.c' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_nested_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='462' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_simple_irq' mangled-name='handle_simple_irq' filepath='kernel/irq/chip.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_simple_irq'>
+ <parameter type-id='76c7d88b' name='desc' filepath='kernel/irq/chip.c' line='556' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='handle_sysrq' mangled-name='handle_sysrq' filepath='drivers/tty/sysrq.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='handle_sysrq'>
+ <parameter type-id='95e97e5e' name='key' filepath='drivers/tty/sysrq.c' line='631' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='hash_digest_size' type-id='9208c5df' mangled-name='hash_digest_size' visibility='default' filepath='crypto/hash_info.c' line='35' column='1' elf-symbol-id='hash_digest_size'/>
+ <function-decl name='hashlen_string' mangled-name='hashlen_string' filepath='fs/namei.c' line='2076' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hashlen_string'>
+ <parameter type-id='eaa32e2f' name='salt' filepath='fs/namei.c' line='2076' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/namei.c' line='2076' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='have_governor_per_policy' mangled-name='have_governor_per_policy' filepath='drivers/cpufreq/cpufreq.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='have_governor_per_policy'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='hci_alloc_dev' mangled-name='hci_alloc_dev' filepath='net/bluetooth/hci_core.c' line='3589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_alloc_dev'>
+ <return type-id='9ad862e7'/>
+ </function-decl>
+ <function-decl name='hci_cmd_sync' mangled-name='hci_cmd_sync' filepath='net/bluetooth/hci_core.c' line='4134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_cmd_sync'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='4134' column='1'/>
+ <parameter type-id='1dc6a898' name='opcode' filepath='net/bluetooth/hci_core.c' line='4134' column='1'/>
+ <parameter type-id='19c2251e' name='plen' filepath='net/bluetooth/hci_core.c' line='4134' column='1'/>
+ <parameter type-id='eaa32e2f' name='param' filepath='net/bluetooth/hci_core.c' line='4135' column='1'/>
+ <parameter type-id='19c2251e' name='timeout' filepath='net/bluetooth/hci_core.c' line='4135' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='hci_free_dev' mangled-name='hci_free_dev' filepath='net/bluetooth/hci_core.c' line='3701' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_free_dev'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3701' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='hci_recv_diag' mangled-name='hci_recv_diag' filepath='net/bluetooth/hci_core.c' line='3963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_recv_diag'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3963' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/bluetooth/hci_core.c' line='3963' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hci_recv_frame' mangled-name='hci_recv_frame' filepath='net/bluetooth/hci_core.c' line='3933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_recv_frame'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3933' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/bluetooth/hci_core.c' line='3933' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hci_register_dev' mangled-name='hci_register_dev' filepath='net/bluetooth/hci_core.c' line='3709' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_register_dev'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3709' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hci_unregister_dev' mangled-name='hci_unregister_dev' filepath='net/bluetooth/hci_core.c' line='3823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hci_unregister_dev'>
+ <parameter type-id='9ad862e7' name='hdev' filepath='net/bluetooth/hci_core.c' line='3823' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='hdmi_audio_infoframe_init' mangled-name='hdmi_audio_infoframe_init' filepath='drivers/video/hdmi.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_audio_infoframe_init'>
+ <parameter type-id='309bd9ee' name='frame' filepath='drivers/video/hdmi.c' line='349' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hdmi_audio_infoframe_pack' mangled-name='hdmi_audio_infoframe_pack' filepath='drivers/video/hdmi.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_audio_infoframe_pack'>
+ <parameter type-id='309bd9ee' name='frame' filepath='drivers/video/hdmi.c' line='465' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='466' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='466' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='hdmi_avi_infoframe_check' mangled-name='hdmi_avi_infoframe_check' filepath='drivers/video/hdmi.c' line='89' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_avi_infoframe_check'>
+ <parameter type-id='19ddc3a6' name='frame' filepath='drivers/video/hdmi.c' line='89' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hdmi_avi_infoframe_init' mangled-name='hdmi_avi_infoframe_init' filepath='drivers/video/hdmi.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_avi_infoframe_init'>
+ <parameter type-id='19ddc3a6' name='frame' filepath='drivers/video/hdmi.c' line='57' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='hdmi_avi_infoframe_pack' mangled-name='hdmi_avi_infoframe_pack' filepath='drivers/video/hdmi.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_avi_infoframe_pack'>
+ <parameter type-id='19ddc3a6' name='frame' filepath='drivers/video/hdmi.c' line='200' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='201' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='201' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='hdmi_drm_infoframe_pack' mangled-name='hdmi_drm_infoframe_pack' filepath='drivers/video/hdmi.c' line='780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_drm_infoframe_pack'>
+ <parameter type-id='6ddb149f' name='frame' filepath='drivers/video/hdmi.c' line='780' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='781' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='781' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='hdmi_drm_infoframe_pack_only' mangled-name='hdmi_drm_infoframe_pack_only' filepath='drivers/video/hdmi.c' line='707' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_drm_infoframe_pack_only'>
+ <parameter type-id='12886dd0' name='frame' filepath='drivers/video/hdmi.c' line='707' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='708' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='708' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='hdmi_infoframe_pack' mangled-name='hdmi_infoframe_pack' filepath='drivers/video/hdmi.c' line='944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_infoframe_pack'>
+ <parameter type-id='885b5549' name='frame' filepath='drivers/video/hdmi.c' line='944' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='945' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='945' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='hdmi_vendor_infoframe_pack' mangled-name='hdmi_vendor_infoframe_pack' filepath='drivers/video/hdmi.c' line='626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hdmi_vendor_infoframe_pack'>
+ <parameter type-id='8ba5499a' name='frame' filepath='drivers/video/hdmi.c' line='626' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='drivers/video/hdmi.c' line='627' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/video/hdmi.c' line='627' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='hex2bin' mangled-name='hex2bin' filepath='lib/hexdump.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hex2bin'>
+ <parameter type-id='8bff8096' name='dst' filepath='lib/hexdump.c' line='45' column='1'/>
+ <parameter type-id='80f4b756' name='src' filepath='lib/hexdump.c' line='45' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/hexdump.c' line='45' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='hex_asc' type-id='8945ea40' mangled-name='hex_asc' visibility='default' filepath='lib/hexdump.c' line='14' column='1' elf-symbol-id='hex_asc'/>
+ <var-decl name='hex_asc_upper' type-id='8945ea40' mangled-name='hex_asc_upper' visibility='default' filepath='lib/hexdump.c' line='16' column='1' elf-symbol-id='hex_asc_upper'/>
+ <function-decl name='hex_dump_to_buffer' mangled-name='hex_dump_to_buffer' filepath='lib/hexdump.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hex_dump_to_buffer'>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/hexdump.c' line='106' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='lib/hexdump.c' line='106' column='1'/>
+ <parameter type-id='95e97e5e' name='rowsize' filepath='lib/hexdump.c' line='106' column='1'/>
+ <parameter type-id='95e97e5e' name='groupsize' filepath='lib/hexdump.c' line='106' column='1'/>
+ <parameter type-id='26a90f95' name='linebuf' filepath='lib/hexdump.c' line='107' column='1'/>
+ <parameter type-id='b59d7dce' name='linebuflen' filepath='lib/hexdump.c' line='107' column='1'/>
+ <parameter type-id='b50a4934' name='ascii' filepath='lib/hexdump.c' line='107' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hex_to_bin' mangled-name='hex_to_bin' filepath='lib/hexdump.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hex_to_bin'>
+ <parameter type-id='a84c031d' name='ch' filepath='lib/hexdump.c' line='26' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hid_add_device' mangled-name='hid_add_device' filepath='drivers/hid/hid-core.c' line='2388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_add_device'>
+ <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2388' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hid_allocate_device' mangled-name='hid_allocate_device' filepath='drivers/hid/hid-core.c' line='2458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_allocate_device'>
+ <return type-id='37175e4d'/>
+ </function-decl>
+ <var-decl name='hid_debug' type-id='95e97e5e' mangled-name='hid_debug' visibility='default' filepath='drivers/hid/hid-core.c' line='44' column='1' elf-symbol-id='hid_debug'/>
+ <function-decl name='hid_destroy_device' mangled-name='hid_destroy_device' filepath='drivers/hid/hid-core.c' line='2504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_destroy_device'>
+ <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2504' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='hid_hw_close' mangled-name='hid_hw_close' filepath='drivers/hid/hid-core.c' line='2120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_hw_close'>
+ <parameter type-id='37175e4d' name='hdev' filepath='drivers/hid/hid-core.c' line='2120' column='1'/>
+ <return type-id='48b5725f'/>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='f0981eeb' name='connect_mask' filepath='drivers/hid/hid-core.c' line='2050' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hid_hw_stop' mangled-name='hid_hw_stop' filepath='drivers/hid/hid-core.c' line='2077' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hid_hw_stop'>
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+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='f0981eeb' name='size' filepath='drivers/hid/hid-core.c' line='937' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='48b5725f'/>
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+ <parameter type-id='f0981eeb' name='report_counts' filepath='drivers/hid/hid-core.c' line='967' column='1'/>
+ <return type-id='5b4284d1'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='5f8a1ac4'/>
+ </function-decl>
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+ <return type-id='b50a4934'/>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='fbc017ef' name='interval' filepath='kernel/time/hrtimer.c' line='935' column='1'/>
+ <return type-id='91ce1af9'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='48b5725f'/>
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+ <function-decl name='hrtimer_sleeper_start_expires' mangled-name='hrtimer_sleeper_start_expires' filepath='kernel/time/hrtimer.c' line='1850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hrtimer_sleeper_start_expires'>
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+ <return type-id='48b5725f'/>
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+ <parameter type-id='9bedc94f' name='mode' filepath='kernel/time/hrtimer.c' line='1179' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <function-decl name='hvc_alloc' mangled-name='hvc_alloc' filepath='drivers/tty/hvc/hvc_console.c' line='911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_alloc'>
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+ <parameter type-id='95e97e5e' name='data' filepath='drivers/tty/hvc/hvc_console.c' line='911' column='1'/>
+ <parameter type-id='f319e2c5' name='ops' filepath='drivers/tty/hvc/hvc_console.c' line='912' column='1'/>
+ <parameter type-id='95e97e5e' name='outbuf_size' filepath='drivers/tty/hvc/hvc_console.c' line='913' column='1'/>
+ <return type-id='352b95f6'/>
+ </function-decl>
+ <function-decl name='hvc_instantiate' mangled-name='hvc_instantiate' filepath='drivers/tty/hvc/hvc_console.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_instantiate'>
+ <parameter type-id='8f92235e' name='vtermno' filepath='drivers/tty/hvc/hvc_console.c' line='285' column='1'/>
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+ <parameter type-id='f319e2c5' name='ops' filepath='drivers/tty/hvc/hvc_console.c' line='285' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hvc_kick' mangled-name='hvc_kick' filepath='drivers/tty/hvc/hvc_console.c' line='313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_kick'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='hvc_poll' mangled-name='hvc_poll' filepath='drivers/tty/hvc/hvc_console.c' line='762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_poll'>
+ <parameter type-id='352b95f6' name='hp' filepath='drivers/tty/hvc/hvc_console.c' line='762' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hvc_remove' mangled-name='hvc_remove' filepath='drivers/tty/hvc/hvc_console.c' line='979' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hvc_remove'>
+ <parameter type-id='352b95f6' name='hp' filepath='drivers/tty/hvc/hvc_console.c' line='979' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hwrng_register' mangled-name='hwrng_register' filepath='drivers/char/hw_random/core.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwrng_register'>
+ <parameter type-id='c1547255' name='rng' filepath='drivers/char/hw_random/core.c' line='468' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hwrng_unregister' mangled-name='hwrng_unregister' filepath='drivers/char/hw_random/core.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwrng_unregister'>
+ <parameter type-id='c1547255' name='rng' filepath='drivers/char/hw_random/core.c' line='535' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='hwspin_lock_free' mangled-name='hwspin_lock_free' filepath='drivers/hwspinlock/hwspinlock_core.c' line='800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwspin_lock_free'>
+ <parameter type-id='0cb0b26f' name='hwlock' filepath='drivers/hwspinlock/hwspinlock_core.c' line='800' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='hwspin_lock_request_specific' mangled-name='hwspin_lock_request_specific' filepath='drivers/hwspinlock/hwspinlock_core.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='hwspin_lock_request_specific'>
+ <parameter type-id='f0981eeb' name='id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='752' column='1'/>
+ <return type-id='0cb0b26f'/>
+ </function-decl>
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+ <var-decl name='i2c_adapter_type' type-id='bdae35f4' mangled-name='i2c_adapter_type' visibility='default' filepath='drivers/i2c/i2c-core-base.c' line='1263' column='1' elf-symbol-id='i2c_adapter_type'/>
+ <function-decl name='i2c_add_adapter' mangled-name='i2c_add_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_add_adapter'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-base.c' line='1529' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_add_numbered_adapter' mangled-name='i2c_add_numbered_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_add_numbered_adapter'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='1578' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/algos/i2c-algo-bit.c' line='683' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_bit_add_numbered_bus' mangled-name='i2c_bit_add_numbered_bus' filepath='drivers/i2c/algos/i2c-algo-bit.c' line='689' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_bit_add_numbered_bus'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/algos/i2c-algo-bit.c' line='689' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='i2c_bus_type' type-id='b31bfc8a' mangled-name='i2c_bus_type' visibility='default' filepath='drivers/i2c/i2c-core-base.c' line='632' column='1' elf-symbol-id='i2c_bus_type'/>
+ <var-decl name='i2c_client_type' type-id='bdae35f4' mangled-name='i2c_client_type' visibility='default' filepath='drivers/i2c/i2c-core-base.c' line='641' column='1' elf-symbol-id='i2c_client_type'/>
+ <function-decl name='i2c_clients_command' mangled-name='i2c_clients_command' filepath='drivers/i2c/i2c-core-base.c' line='1861' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_clients_command'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='1861' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/i2c/i2c-core-base.c' line='1861' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='drivers/i2c/i2c-core-base.c' line='1861' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i2c_del_adapter' mangled-name='i2c_del_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_del_adapter'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='1633' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i2c_del_driver' mangled-name='i2c_del_driver' filepath='drivers/i2c/i2c-core-base.c' line='1830' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_del_driver'>
+ <parameter type-id='29ffcb70' name='driver' filepath='drivers/i2c/i2c-core-base.c' line='1830' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i2c_for_each_dev' mangled-name='i2c_for_each_dev' filepath='drivers/i2c/i2c-core-base.c' line='1765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_for_each_dev'>
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+ <parameter type-id='92d15ae9' name='fn' filepath='drivers/i2c/i2c-core-base.c' line='1765' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_generic_scl_recovery' mangled-name='i2c_generic_scl_recovery' filepath='drivers/i2c/i2c-core-base.c' line='179' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_generic_scl_recovery'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='179' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_get_adapter' mangled-name='i2c_get_adapter' filepath='drivers/i2c/i2c-core-base.c' line='2383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_get_adapter'>
+ <parameter type-id='95e97e5e' name='nr' filepath='drivers/i2c/i2c-core-base.c' line='2383' column='1'/>
+ <return type-id='b9af02c3'/>
+ </function-decl>
+ <function-decl name='i2c_get_device_id' mangled-name='i2c_get_device_id' filepath='drivers/i2c/i2c-core-base.c' line='2159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_get_device_id'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-base.c' line='2159' column='1'/>
+ <parameter type-id='390f38a5' name='id' filepath='drivers/i2c/i2c-core-base.c' line='2160' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_get_dma_safe_msg_buf' mangled-name='i2c_get_dma_safe_msg_buf' filepath='drivers/i2c/i2c-core-base.c' line='2425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_get_dma_safe_msg_buf'>
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+ <parameter type-id='f0981eeb' name='threshold' filepath='drivers/i2c/i2c-core-base.c' line='2425' column='1'/>
+ <return type-id='8bff8096'/>
+ </function-decl>
+ <function-decl name='i2c_match_id' mangled-name='i2c_match_id' filepath='drivers/i2c/i2c-core-base.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_match_id'>
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+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-base.c' line='81' column='1'/>
+ <return type-id='49e46a4d'/>
+ </function-decl>
+ <function-decl name='i2c_new_ancillary_device' mangled-name='i2c_new_ancillary_device' filepath='drivers/i2c/i2c-core-base.c' line='1087' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_ancillary_device'>
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+ <parameter type-id='80f4b756' name='name' filepath='drivers/i2c/i2c-core-base.c' line='1088' column='1'/>
+ <parameter type-id='1dc6a898' name='default_addr' filepath='drivers/i2c/i2c-core-base.c' line='1089' column='1'/>
+ <return type-id='3e31633b'/>
+ </function-decl>
+ <function-decl name='i2c_new_client_device' mangled-name='i2c_new_client_device' filepath='drivers/i2c/i2c-core-base.c' line='872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_client_device'>
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+ <parameter type-id='88139c0a' name='info' filepath='drivers/i2c/i2c-core-base.c' line='872' column='1'/>
+ <return type-id='3e31633b'/>
+ </function-decl>
+ <function-decl name='i2c_new_dummy_device' mangled-name='i2c_new_dummy_device' filepath='drivers/i2c/i2c-core-base.c' line='1011' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_dummy_device'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-base.c' line='1011' column='1'/>
+ <parameter type-id='1dc6a898' name='address' filepath='drivers/i2c/i2c-core-base.c' line='1011' column='1'/>
+ <return type-id='3e31633b'/>
+ </function-decl>
+ <function-decl name='i2c_new_scanned_device' mangled-name='i2c_new_scanned_device' filepath='drivers/i2c/i2c-core-base.c' line='2342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_new_scanned_device'>
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+ <parameter type-id='31347b7a' name='addr_list' filepath='drivers/i2c/i2c-core-base.c' line='2344' column='1'/>
+ <parameter type-id='9194e9f3' name='probe' filepath='drivers/i2c/i2c-core-base.c' line='2345' column='1'/>
+ <return type-id='3e31633b'/>
+ </function-decl>
+ <function-decl name='i2c_parse_fw_timings' mangled-name='i2c_parse_fw_timings' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_parse_fw_timings'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1'/>
+ <parameter type-id='d19fb227' name='t' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1'/>
+ <parameter type-id='b50a4934' name='use_defaults' filepath='drivers/i2c/i2c-core-base.c' line='1736' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i2c_put_adapter' mangled-name='i2c_put_adapter' filepath='drivers/i2c/i2c-core-base.c' line='2403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_put_adapter'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='2403' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i2c_put_dma_safe_msg_buf' mangled-name='i2c_put_dma_safe_msg_buf' filepath='drivers/i2c/i2c-core-base.c' line='2453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_put_dma_safe_msg_buf'>
+ <parameter type-id='8bff8096' name='buf' filepath='drivers/i2c/i2c-core-base.c' line='2453' column='1'/>
+ <parameter type-id='cd44bc95' name='msg' filepath='drivers/i2c/i2c-core-base.c' line='2453' column='1'/>
+ <parameter type-id='b50a4934' name='xferred' filepath='drivers/i2c/i2c-core-base.c' line='2453' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i2c_recover_bus' mangled-name='i2c_recover_bus' filepath='drivers/i2c/i2c-core-base.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_recover_bus'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='250' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_register_driver' mangled-name='i2c_register_driver' filepath='drivers/i2c/i2c-core-base.c' line='1789' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_register_driver'>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/i2c/i2c-core-base.c' line='1789' column='1'/>
+ <parameter type-id='29ffcb70' name='driver' filepath='drivers/i2c/i2c-core-base.c' line='1789' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_read_byte' mangled-name='i2c_smbus_read_byte' filepath='drivers/i2c/i2c-core-smbus.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_read_byte'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='93' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_read_byte_data' mangled-name='i2c_smbus_read_byte_data' filepath='drivers/i2c/i2c-core-smbus.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_read_byte_data'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='128' column='1'/>
+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='128' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_read_i2c_block_data' mangled-name='i2c_smbus_read_i2c_block_data' filepath='drivers/i2c/i2c-core-smbus.c' line='258' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_read_i2c_block_data'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='258' column='1'/>
+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='258' column='1'/>
+ <parameter type-id='f9b06939' name='length' filepath='drivers/i2c/i2c-core-smbus.c' line='259' column='1'/>
+ <parameter type-id='8bff8096' name='values' filepath='drivers/i2c/i2c-core-smbus.c' line='259' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_read_word_data' mangled-name='i2c_smbus_read_word_data' filepath='drivers/i2c/i2c-core-smbus.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_read_word_data'>
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+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='168' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_write_byte' mangled-name='i2c_smbus_write_byte' filepath='drivers/i2c/i2c-core-smbus.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_byte'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='113' column='1'/>
+ <parameter type-id='f9b06939' name='value' filepath='drivers/i2c/i2c-core-smbus.c' line='113' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_write_byte_data' mangled-name='i2c_smbus_write_byte_data' filepath='drivers/i2c/i2c-core-smbus.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_byte_data'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='149' column='1'/>
+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='149' column='1'/>
+ <parameter type-id='f9b06939' name='value' filepath='drivers/i2c/i2c-core-smbus.c' line='150' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_write_i2c_block_data' mangled-name='i2c_smbus_write_i2c_block_data' filepath='drivers/i2c/i2c-core-smbus.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_i2c_block_data'>
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+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='278' column='1'/>
+ <parameter type-id='f9b06939' name='length' filepath='drivers/i2c/i2c-core-smbus.c' line='279' column='1'/>
+ <parameter type-id='bbaf3419' name='values' filepath='drivers/i2c/i2c-core-smbus.c' line='279' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_write_word_data' mangled-name='i2c_smbus_write_word_data' filepath='drivers/i2c/i2c-core-smbus.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_write_word_data'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-smbus.c' line='189' column='1'/>
+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='189' column='1'/>
+ <parameter type-id='1dc6a898' name='value' filepath='drivers/i2c/i2c-core-smbus.c' line='190' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_smbus_xfer' mangled-name='i2c_smbus_xfer' filepath='drivers/i2c/i2c-core-smbus.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_smbus_xfer'>
+ <parameter type-id='b9af02c3' name='adapter' filepath='drivers/i2c/i2c-core-smbus.c' line='532' column='1'/>
+ <parameter type-id='1dc6a898' name='addr' filepath='drivers/i2c/i2c-core-smbus.c' line='532' column='1'/>
+ <parameter type-id='8efea9e5' name='flags' filepath='drivers/i2c/i2c-core-smbus.c' line='533' column='1'/>
+ <parameter type-id='a84c031d' name='read_write' filepath='drivers/i2c/i2c-core-smbus.c' line='533' column='1'/>
+ <parameter type-id='f9b06939' name='command' filepath='drivers/i2c/i2c-core-smbus.c' line='534' column='1'/>
+ <parameter type-id='95e97e5e' name='protocol' filepath='drivers/i2c/i2c-core-smbus.c' line='534' column='1'/>
+ <parameter type-id='a556dccb' name='data' filepath='drivers/i2c/i2c-core-smbus.c' line='534' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='i2c_transfer' mangled-name='i2c_transfer' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_transfer'>
+ <parameter type-id='b9af02c3' name='adap' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1'/>
+ <parameter type-id='cd44bc95' name='msgs' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='drivers/i2c/i2c-core-base.c' line='2085' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_transfer_buffer_flags' mangled-name='i2c_transfer_buffer_flags' filepath='drivers/i2c/i2c-core-base.c' line='2131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_transfer_buffer_flags'>
+ <parameter type-id='7ea54338' name='client' filepath='drivers/i2c/i2c-core-base.c' line='2131' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='drivers/i2c/i2c-core-base.c' line='2131' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/i2c/i2c-core-base.c' line='2132' column='1'/>
+ <parameter type-id='1dc6a898' name='flags' filepath='drivers/i2c/i2c-core-base.c' line='2132' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i2c_unregister_device' mangled-name='i2c_unregister_device' filepath='drivers/i2c/i2c-core-base.c' line='953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_unregister_device'>
+ <parameter type-id='3e31633b' name='client' filepath='drivers/i2c/i2c-core-base.c' line='953' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i2c_verify_adapter' mangled-name='i2c_verify_adapter' filepath='drivers/i2c/i2c-core-base.c' line='1278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_verify_adapter'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='1278' column='1'/>
+ <return type-id='b9af02c3'/>
+ </function-decl>
+ <function-decl name='i2c_verify_client' mangled-name='i2c_verify_client' filepath='drivers/i2c/i2c-core-base.c' line='658' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i2c_verify_client'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-base.c' line='658' column='1'/>
+ <return type-id='3e31633b'/>
+ </function-decl>
+ <function-decl name='i3c_device_disable_ibi' mangled-name='i3c_device_disable_ibi' filepath='drivers/i3c/device.c' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_device_disable_ibi'>
+ <parameter type-id='c062d7a5' name='dev' filepath='drivers/i3c/device.c' line='83' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_device_do_priv_xfers' mangled-name='i3c_device_do_priv_xfers' filepath='drivers/i3c/device.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_device_do_priv_xfers'>
+ <parameter type-id='c062d7a5' name='dev' filepath='drivers/i3c/device.c' line='31' column='1'/>
+ <parameter type-id='ffef58ec' name='xfers' filepath='drivers/i3c/device.c' line='32' column='1'/>
+ <parameter type-id='95e97e5e' name='nxfers' filepath='drivers/i3c/device.c' line='33' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_device_enable_ibi' mangled-name='i3c_device_enable_ibi' filepath='drivers/i3c/device.c' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_device_enable_ibi'>
+ <parameter type-id='c062d7a5' name='dev' filepath='drivers/i3c/device.c' line='112' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_device_free_ibi' mangled-name='i3c_device_free_ibi' filepath='drivers/i3c/device.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_device_free_ibi'>
+ <parameter type-id='c062d7a5' name='dev' filepath='drivers/i3c/device.c' line='167' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i3c_device_get_info' mangled-name='i3c_device_get_info' filepath='drivers/i3c/device.c' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_device_get_info'>
+ <parameter type-id='c062d7a5' name='dev' filepath='drivers/i3c/device.c' line='61' column='1'/>
+ <parameter type-id='28714cc4' name='info' filepath='drivers/i3c/device.c' line='62' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i3c_device_match_id' mangled-name='i3c_device_match_id' filepath='drivers/i3c/device.c' line='211' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_device_match_id'>
+ <parameter type-id='c062d7a5' name='i3cdev' filepath='drivers/i3c/device.c' line='211' column='1'/>
+ <parameter type-id='af6bced6' name='id_table' filepath='drivers/i3c/device.c' line='212' column='1'/>
+ <return type-id='af6bced6'/>
+ </function-decl>
+ <function-decl name='i3c_device_request_ibi' mangled-name='i3c_device_request_ibi' filepath='drivers/i3c/device.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_device_request_ibi'>
+ <parameter type-id='c062d7a5' name='dev' filepath='drivers/i3c/device.c' line='139' column='1'/>
+ <parameter type-id='d0ddd4b8' name='req' filepath='drivers/i3c/device.c' line='140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_driver_register_with_owner' mangled-name='i3c_driver_register_with_owner' filepath='drivers/i3c/device.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_driver_register_with_owner'>
+ <parameter type-id='554d9945' name='drv' filepath='drivers/i3c/device.c' line='260' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/i3c/device.c' line='260' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_driver_unregister' mangled-name='i3c_driver_unregister' filepath='drivers/i3c/device.c' line='276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_driver_unregister'>
+ <parameter type-id='554d9945' name='drv' filepath='drivers/i3c/device.c' line='276' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i3c_generic_ibi_alloc_pool' mangled-name='i3c_generic_ibi_alloc_pool' filepath='drivers/i3c/master.c' line='2328' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_generic_ibi_alloc_pool'>
+ <parameter type-id='e9b5d134' name='dev' filepath='drivers/i3c/master.c' line='2328' column='1'/>
+ <parameter type-id='d0ddd4b8' name='req' filepath='drivers/i3c/master.c' line='2329' column='1'/>
+ <return type-id='d9481436'/>
+ </function-decl>
+ <function-decl name='i3c_generic_ibi_free_pool' mangled-name='i3c_generic_ibi_free_pool' filepath='drivers/i3c/master.c' line='2294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_generic_ibi_free_pool'>
+ <parameter type-id='d9481436' name='pool' filepath='drivers/i3c/master.c' line='2294' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i3c_generic_ibi_get_free_slot' mangled-name='i3c_generic_ibi_get_free_slot' filepath='drivers/i3c/master.c' line='2390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_generic_ibi_get_free_slot'>
+ <parameter type-id='d9481436' name='pool' filepath='drivers/i3c/master.c' line='2390' column='1'/>
+ <return type-id='80cda266'/>
+ </function-decl>
+ <function-decl name='i3c_generic_ibi_recycle_slot' mangled-name='i3c_generic_ibi_recycle_slot' filepath='drivers/i3c/master.c' line='2414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_generic_ibi_recycle_slot'>
+ <parameter type-id='d9481436' name='pool' filepath='drivers/i3c/master.c' line='2414' column='1'/>
+ <parameter type-id='80cda266' name='s' filepath='drivers/i3c/master.c' line='2415' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i3c_master_add_i3c_dev_locked' mangled-name='i3c_master_add_i3c_dev_locked' filepath='drivers/i3c/master.c' line='1853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_add_i3c_dev_locked'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='1853' column='1'/>
+ <parameter type-id='f9b06939' name='addr' filepath='drivers/i3c/master.c' line='1854' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_defslvs_locked' mangled-name='i3c_master_defslvs_locked' filepath='drivers/i3c/master.c' line='897' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_defslvs_locked'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='897' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_disec_locked' mangled-name='i3c_master_disec_locked' filepath='drivers/i3c/master.c' line='850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_disec_locked'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='850' column='1'/>
+ <parameter type-id='f9b06939' name='addr' filepath='drivers/i3c/master.c' line='850' column='1'/>
+ <parameter type-id='f9b06939' name='evts' filepath='drivers/i3c/master.c' line='851' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_do_daa' mangled-name='i3c_master_do_daa' filepath='drivers/i3c/master.c' line='1533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_do_daa'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='1533' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_enec_locked' mangled-name='i3c_master_enec_locked' filepath='drivers/i3c/master.c' line='871' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_enec_locked'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='871' column='1'/>
+ <parameter type-id='f9b06939' name='addr' filepath='drivers/i3c/master.c' line='871' column='1'/>
+ <parameter type-id='f9b06939' name='evts' filepath='drivers/i3c/master.c' line='872' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_entdaa_locked' mangled-name='i3c_master_entdaa_locked' filepath='drivers/i3c/master.c' line='797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_entdaa_locked'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='797' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_get_free_addr' mangled-name='i3c_master_get_free_addr' filepath='drivers/i3c/master.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_get_free_addr'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='717' column='1'/>
+ <parameter type-id='f9b06939' name='start_addr' filepath='drivers/i3c/master.c' line='718' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_queue_ibi' mangled-name='i3c_master_queue_ibi' filepath='drivers/i3c/master.c' line='2241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_queue_ibi'>
+ <parameter type-id='e9b5d134' name='dev' filepath='drivers/i3c/master.c' line='2241' column='1'/>
+ <parameter type-id='80cda266' name='slot' filepath='drivers/i3c/master.c' line='2241' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='i3c_master_register' mangled-name='i3c_master_register' filepath='drivers/i3c/master.c' line='2465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_register'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='2465' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/i3c/master.c' line='2466' column='1'/>
+ <parameter type-id='b37211ac' name='ops' filepath='drivers/i3c/master.c' line='2467' column='1'/>
+ <parameter type-id='b50a4934' name='secondary' filepath='drivers/i3c/master.c' line='2468' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_set_info' mangled-name='i3c_master_set_info' filepath='drivers/i3c/master.c' line='1576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_set_info'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='1576' column='1'/>
+ <parameter type-id='e7a3c515' name='info' filepath='drivers/i3c/master.c' line='1577' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3c_master_unregister' mangled-name='i3c_master_unregister' filepath='drivers/i3c/master.c' line='2586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3c_master_unregister'>
+ <parameter type-id='0ac68794' name='master' filepath='drivers/i3c/master.c' line='2586' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='i3cdev_to_dev' mangled-name='i3cdev_to_dev' filepath='drivers/i3c/device.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='i3cdev_to_dev'>
+ <parameter type-id='c062d7a5' name='i3cdev' filepath='drivers/i3c/device.c' line='185' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='icc_disable' mangled-name='icc_disable' filepath='drivers/interconnect/core.c' line='702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_disable'>
+ <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='702' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_enable' mangled-name='icc_enable' filepath='drivers/interconnect/core.c' line='696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_enable'>
+ <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='696' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_get' mangled-name='icc_get' filepath='drivers/interconnect/core.c' line='724' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/interconnect/core.c' line='724' column='1'/>
+ <parameter type-id='2448a865' name='src_id' filepath='drivers/interconnect/core.c' line='724' column='1'/>
+ <parameter type-id='2448a865' name='dst_id' filepath='drivers/interconnect/core.c' line='724' column='1'/>
+ <return type-id='b5fdec5e'/>
+ </function-decl>
+ <function-decl name='icc_link_create' mangled-name='icc_link_create' filepath='drivers/interconnect/core.c' line='870' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_link_create'>
+ <parameter type-id='18d76f87' name='node' filepath='drivers/interconnect/core.c' line='870' column='1'/>
+ <parameter type-id='2448a865' name='dst_id' filepath='drivers/interconnect/core.c' line='870' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_node_add' mangled-name='icc_node_add' filepath='drivers/interconnect/core.c' line='960' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_node_add'>
+ <parameter type-id='18d76f87' name='node' filepath='drivers/interconnect/core.c' line='960' column='1'/>
+ <parameter type-id='e68dc824' name='provider' filepath='drivers/interconnect/core.c' line='960' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='icc_node_create' mangled-name='icc_node_create' filepath='drivers/interconnect/core.c' line='821' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_node_create'>
+ <parameter type-id='95e97e5e' name='id' filepath='drivers/interconnect/core.c' line='821' column='1'/>
+ <return type-id='18d76f87'/>
+ </function-decl>
+ <function-decl name='icc_node_del' mangled-name='icc_node_del' filepath='drivers/interconnect/core.c' line='996' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_node_del'>
+ <parameter type-id='18d76f87' name='node' filepath='drivers/interconnect/core.c' line='996' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='icc_node_destroy' mangled-name='icc_node_destroy' filepath='drivers/interconnect/core.c' line='839' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_node_destroy'>
+ <parameter type-id='95e97e5e' name='id' filepath='drivers/interconnect/core.c' line='839' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='icc_nodes_remove' mangled-name='icc_nodes_remove' filepath='drivers/interconnect/core.c' line='1012' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_nodes_remove'>
+ <parameter type-id='e68dc824' name='provider' filepath='drivers/interconnect/core.c' line='1012' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_provider_add' mangled-name='icc_provider_add' filepath='drivers/interconnect/core.c' line='1034' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_provider_add'>
+ <parameter type-id='e68dc824' name='provider' filepath='drivers/interconnect/core.c' line='1034' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_provider_del' mangled-name='icc_provider_del' filepath='drivers/interconnect/core.c' line='1060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_provider_del'>
+ <parameter type-id='e68dc824' name='provider' filepath='drivers/interconnect/core.c' line='1060' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_put' mangled-name='icc_put' filepath='drivers/interconnect/core.c' line='763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_put'>
+ <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='763' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='icc_set_bw' mangled-name='icc_set_bw' filepath='drivers/interconnect/core.c' line='622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_set_bw'>
+ <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='622' column='1'/>
+ <parameter type-id='19c2251e' name='avg_bw' filepath='drivers/interconnect/core.c' line='622' column='1'/>
+ <parameter type-id='19c2251e' name='peak_bw' filepath='drivers/interconnect/core.c' line='622' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_set_tag' mangled-name='icc_set_tag' filepath='drivers/interconnect/core.c' line='573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_set_tag'>
+ <parameter type-id='b5fdec5e' name='path' filepath='drivers/interconnect/core.c' line='573' column='1'/>
+ <parameter type-id='19c2251e' name='tag' filepath='drivers/interconnect/core.c' line='573' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='icc_std_aggregate' mangled-name='icc_std_aggregate' filepath='drivers/interconnect/core.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_std_aggregate'>
+ <parameter type-id='18d76f87' name='node' filepath='drivers/interconnect/core.c' line='311' column='1'/>
+ <parameter type-id='19c2251e' name='tag' filepath='drivers/interconnect/core.c' line='311' column='1'/>
+ <parameter type-id='19c2251e' name='avg_bw' filepath='drivers/interconnect/core.c' line='311' column='1'/>
+ <parameter type-id='19c2251e' name='peak_bw' filepath='drivers/interconnect/core.c' line='312' column='1'/>
+ <parameter type-id='f9409001' name='agg_avg' filepath='drivers/interconnect/core.c' line='312' column='1'/>
+ <parameter type-id='f9409001' name='agg_peak' filepath='drivers/interconnect/core.c' line='312' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='icc_sync_state' mangled-name='icc_sync_state' filepath='drivers/interconnect/core.c' line='1097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='icc_sync_state'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/interconnect/core.c' line='1097' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ida_alloc_range' mangled-name='ida_alloc_range' filepath='lib/idr.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ida_alloc_range'>
+ <parameter type-id='a9e764bb' name='ida' filepath='lib/idr.c' line='380' column='1'/>
+ <parameter type-id='f0981eeb' name='min' filepath='lib/idr.c' line='380' column='1'/>
+ <parameter type-id='f0981eeb' name='max' filepath='lib/idr.c' line='380' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='381' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ida_destroy' mangled-name='ida_destroy' filepath='lib/idr.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ida_destroy'>
+ <parameter type-id='a9e764bb' name='ida' filepath='lib/idr.c' line='540' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ida_free' mangled-name='ida_free' filepath='lib/idr.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ida_free'>
+ <parameter type-id='a9e764bb' name='ida' filepath='lib/idr.c' line='487' column='1'/>
+ <parameter type-id='f0981eeb' name='id' filepath='lib/idr.c' line='487' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='idr_alloc' mangled-name='idr_alloc' filepath='lib/idr.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_alloc'>
+ <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='79' column='1'/>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='lib/idr.c' line='79' column='1'/>
+ <parameter type-id='95e97e5e' name='start' filepath='lib/idr.c' line='79' column='1'/>
+ <parameter type-id='95e97e5e' name='end' filepath='lib/idr.c' line='79' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='79' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='idr_alloc_cyclic' mangled-name='idr_alloc_cyclic' filepath='lib/idr.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_alloc_cyclic'>
+ <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='117' column='1'/>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='lib/idr.c' line='117' column='1'/>
+ <parameter type-id='95e97e5e' name='start' filepath='lib/idr.c' line='117' column='1'/>
+ <parameter type-id='95e97e5e' name='end' filepath='lib/idr.c' line='117' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='117' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='idr_alloc_u32' mangled-name='idr_alloc_u32' filepath='lib/idr.c' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_alloc_u32'>
+ <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='33' column='1'/>
+ <parameter type-id='eaa32e2f' name='ptr' filepath='lib/idr.c' line='33' column='1'/>
+ <parameter type-id='f9409001' name='nextid' filepath='lib/idr.c' line='33' column='1'/>
+ <parameter type-id='7359adad' name='max' filepath='lib/idr.c' line='34' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/idr.c' line='34' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='idr_destroy' mangled-name='idr_destroy' filepath='lib/radix-tree.c' line='1557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_destroy'>
+ <parameter type-id='301185b4' name='idr' filepath='lib/radix-tree.c' line='1557' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='idr_find' mangled-name='idr_find' filepath='lib/idr.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_find'>
+ <parameter type-id='c79c8089' name='idr' filepath='lib/idr.c' line='172' column='1'/>
+ <parameter type-id='7359adad' name='id' filepath='lib/idr.c' line='172' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='idr_for_each' mangled-name='idr_for_each' filepath='lib/idr.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_for_each'>
+ <parameter type-id='c79c8089' name='idr' filepath='lib/idr.c' line='195' column='1'/>
+ <parameter type-id='f4f5b664' name='fn' filepath='lib/idr.c' line='196' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/idr.c' line='196' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='idr_get_next' mangled-name='idr_get_next' filepath='lib/idr.c' line='264' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_get_next'>
+ <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='264' column='1'/>
+ <parameter type-id='7292109c' name='nextid' filepath='lib/idr.c' line='264' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='idr_preload' mangled-name='idr_preload' filepath='lib/radix-tree.c' line='1467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_preload'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/radix-tree.c' line='1467' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='idr_remove' mangled-name='idr_remove' filepath='lib/idr.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='idr_remove'>
+ <parameter type-id='301185b4' name='idr' filepath='lib/idr.c' line='152' column='1'/>
+ <parameter type-id='7359adad' name='id' filepath='lib/idr.c' line='152' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
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+ <return type-id='eaa32e2f'/>
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+ <parameter type-id='3f26598b' name='ops' filepath='net/mac802154/main.c' line='47' column='1'/>
+ <return type-id='c67366c7'/>
+ </function-decl>
+ <function-decl name='ieee802154_free_hw' mangled-name='ieee802154_free_hw' filepath='net/mac802154/main.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_free_hw'>
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+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ieee802154_register_hw' mangled-name='ieee802154_register_hw' filepath='net/mac802154/main.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_register_hw'>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ieee802154_rx_irqsafe' mangled-name='ieee802154_rx_irqsafe' filepath='net/mac802154/rx.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_rx_irqsafe'>
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+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac802154/rx.c' line='294' column='1'/>
+ <parameter type-id='f9b06939' name='lqi' filepath='net/mac802154/rx.c' line='294' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ieee802154_unregister_hw' mangled-name='ieee802154_unregister_hw' filepath='net/mac802154/main.c' line='207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_unregister_hw'>
+ <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/main.c' line='207' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ieee802154_wake_queue' mangled-name='ieee802154_wake_queue' filepath='net/mac802154/util.c' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_wake_queue'>
+ <parameter type-id='c67366c7' name='hw' filepath='net/mac802154/util.c' line='16' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ieee802154_xmit_complete' mangled-name='ieee802154_xmit_complete' filepath='net/mac802154/util.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ieee802154_xmit_complete'>
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+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/mac802154/util.c' line='58' column='1'/>
+ <parameter type-id='b50a4934' name='ifs_handling' filepath='net/mac802154/util.c' line='59' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <function-decl name='iio_alloc_pollfunc' mangled-name='iio_alloc_pollfunc' filepath='drivers/iio/industrialio-trigger.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_alloc_pollfunc'>
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+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/iio/industrialio-trigger.c' line='328' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='9add1da7'/>
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+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iio_buffer_put' mangled-name='iio_buffer_put' filepath='drivers/iio/industrialio-buffer.c' line='1500' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_buffer_put'>
+ <parameter type-id='aa9ea333' name='buffer' filepath='drivers/iio/industrialio-buffer.c' line='1500' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='80f4b756' name='channel_name' filepath='drivers/iio/inkern.c' line='331' column='1'/>
+ <return type-id='2712709a'/>
+ </function-decl>
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+ <return type-id='2712709a'/>
+ </function-decl>
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+ <parameter type-id='2712709a' name='channel' filepath='drivers/iio/inkern.c' line='347' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='2712709a' name='channels' filepath='drivers/iio/inkern.c' line='458' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='f0981eeb' name='scale' filepath='drivers/iio/inkern.c' line='618' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_dealloc_pollfunc' mangled-name='iio_dealloc_pollfunc' filepath='drivers/iio/industrialio-trigger.c' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_dealloc_pollfunc'>
+ <parameter type-id='9add1da7' name='pf' filepath='drivers/iio/industrialio-trigger.c' line='353' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/iio/industrialio-core.c' line='1531' column='1'/>
+ <parameter type-id='95e97e5e' name='sizeof_priv' filepath='drivers/iio/industrialio-core.c' line='1531' column='1'/>
+ <return type-id='226853d2'/>
+ </function-decl>
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+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-buffer.c' line='1516' column='1'/>
+ <parameter type-id='aa9ea333' name='buffer' filepath='drivers/iio/industrialio-buffer.c' line='1517' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iio_device_claim_direct_mode' mangled-name='iio_device_claim_direct_mode' filepath='drivers/iio/industrialio-core.c' line='1855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_device_claim_direct_mode'>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1855' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='226853d2' name='dev' filepath='drivers/iio/industrialio-core.c' line='1579' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iio_device_release_direct_mode' mangled-name='iio_device_release_direct_mode' filepath='drivers/iio/industrialio-core.c' line='1876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_device_release_direct_mode'>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1876' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iio_device_unregister' mangled-name='iio_device_unregister' filepath='drivers/iio/industrialio-core.c' line='1797' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_device_unregister'>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='1797' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iio_get_channel_type' mangled-name='iio_get_channel_type' filepath='drivers/iio/inkern.c' line='809' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_get_channel_type'>
+ <parameter type-id='2712709a' name='chan' filepath='drivers/iio/inkern.c' line='809' column='1'/>
+ <parameter type-id='4a2371f8' name='type' filepath='drivers/iio/inkern.c' line='809' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_get_time_ns' mangled-name='iio_get_time_ns' filepath='drivers/iio/industrialio-core.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_get_time_ns'>
+ <parameter type-id='78041e8f' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='240' column='1'/>
+ <return type-id='9b7c55ef'/>
+ </function-decl>
+ <function-decl name='iio_push_event' mangled-name='iio_push_event' filepath='drivers/iio/industrialio-event.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_push_event'>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-event.c' line='64' column='1'/>
+ <parameter type-id='91ce1af9' name='ev_code' filepath='drivers/iio/industrialio-event.c' line='64' column='1'/>
+ <parameter type-id='9b7c55ef' name='timestamp' filepath='drivers/iio/industrialio-event.c' line='64' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_push_to_buffers' mangled-name='iio_push_to_buffers' filepath='drivers/iio/industrialio-buffer.c' line='1449' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_push_to_buffers'>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-buffer.c' line='1449' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/iio/industrialio-buffer.c' line='1449' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_read_channel_attribute' mangled-name='iio_read_channel_attribute' filepath='drivers/iio/inkern.c' line='637' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_read_channel_attribute'>
+ <parameter type-id='2712709a' name='chan' filepath='drivers/iio/inkern.c' line='637' column='1'/>
+ <parameter type-id='7292109c' name='val' filepath='drivers/iio/inkern.c' line='637' column='1'/>
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+ <parameter type-id='cda049ab' name='attribute' filepath='drivers/iio/inkern.c' line='638' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_read_channel_processed' mangled-name='iio_read_channel_processed' filepath='drivers/iio/inkern.c' line='662' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_read_channel_processed'>
+ <parameter type-id='2712709a' name='chan' filepath='drivers/iio/inkern.c' line='662' column='1'/>
+ <parameter type-id='7292109c' name='val' filepath='drivers/iio/inkern.c' line='662' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_read_channel_raw' mangled-name='iio_read_channel_raw' filepath='drivers/iio/inkern.c' line='525' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_read_channel_raw'>
+ <parameter type-id='2712709a' name='chan' filepath='drivers/iio/inkern.c' line='525' column='1'/>
+ <parameter type-id='7292109c' name='val' filepath='drivers/iio/inkern.c' line='525' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_read_mount_matrix' mangled-name='iio_read_mount_matrix' filepath='drivers/iio/industrialio-core.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_read_mount_matrix'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iio/industrialio-core.c' line='568' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/iio/industrialio-core.c' line='568' column='1'/>
+ <parameter type-id='e02525e8' name='matrix' filepath='drivers/iio/industrialio-core.c' line='569' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iio_show_mount_matrix' mangled-name='iio_show_mount_matrix' filepath='drivers/iio/industrialio-core.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_show_mount_matrix'>
+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-core.c' line='537' column='1'/>
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+ <parameter type-id='26a90f95' name='buf' filepath='drivers/iio/industrialio-core.c' line='538' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='iio_trigger_notify_done' mangled-name='iio_trigger_notify_done' filepath='drivers/iio/industrialio-trigger.c' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iio_trigger_notify_done'>
+ <parameter type-id='54e54fbb' name='trig' filepath='drivers/iio/industrialio-trigger.c' line='203' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='226853d2' name='indio_dev' filepath='drivers/iio/industrialio-buffer.c' line='1113' column='1'/>
+ <parameter type-id='aa9ea333' name='insert_buffer' filepath='drivers/iio/industrialio-buffer.c' line='1114' column='1'/>
+ <parameter type-id='aa9ea333' name='remove_buffer' filepath='drivers/iio/industrialio-buffer.c' line='1115' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='78a133c2'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='b50a4934'/>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='486' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='74b427eb'/>
+ </function-decl>
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+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='95e97e5e' name='value' filepath='drivers/input/input.c' line='434' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='f0981eeb' name='max_effects' filepath='drivers/input/ff-core.c' line='305' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='input_ff_create_memless' mangled-name='input_ff_create_memless' filepath='drivers/input/ff-memless.c' line='510' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_ff_create_memless'>
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+ <parameter type-id='2d974d69' name='play_effect' filepath='drivers/input/ff-memless.c' line='511' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/ff-core.c' line='365' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='input_free_device' mangled-name='input_free_device' filepath='drivers/input/input.c' line='1915' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_free_device'>
+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='1915' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='95e97e5e' name='dmax' filepath='drivers/input/input-mt.c' line='442' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='input_mt_destroy_slots' mangled-name='input_mt_destroy_slots' filepath='drivers/input/input-mt.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_destroy_slots'>
+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='110' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='276' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='input_mt_init_slots' mangled-name='input_mt_init_slots' filepath='drivers/input/input-mt.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_init_slots'>
+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='38' column='1'/>
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+ <parameter type-id='f0981eeb' name='flags' filepath='drivers/input/input-mt.c' line='39' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='input_mt_report_finger_count' mangled-name='input_mt_report_finger_count' filepath='drivers/input/input-mt.c' line='174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='input_mt_report_finger_count'>
+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='174' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/input/input-mt.c' line='174' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='b50a4934' name='use_count' filepath='drivers/input/input-mt.c' line='195' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input-mt.c' line='134' column='1'/>
+ <parameter type-id='f0981eeb' name='tool_type' filepath='drivers/input/input-mt.c' line='135' column='1'/>
+ <parameter type-id='b50a4934' name='active' filepath='drivers/input/input-mt.c' line='135' column='1'/>
+ <return type-id='b50a4934'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='74b427eb' name='dev' filepath='drivers/input/input.c' line='2153' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='48b5725f'/>
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+ <parameter type-id='f0981eeb' name='interval' filepath='drivers/input/input-poller.c' line='105' column='1'/>
+ <return type-id='48b5725f'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='95e97e5e'/>
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+ </function-decl>
+ <function-decl name='interval_tree_insert' mangled-name='interval_tree_insert' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_insert'>
+ <parameter type-id='c7ea70e0' name='node' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <parameter type-id='9e8dca7d' name='root' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='interval_tree_iter_first' mangled-name='interval_tree_iter_first' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_iter_first'>
+ <parameter type-id='9e8dca7d' name='root' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <parameter type-id='7359adad' name='last' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <return type-id='c7ea70e0'/>
+ </function-decl>
+ <function-decl name='interval_tree_iter_next' mangled-name='interval_tree_iter_next' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_iter_next'>
+ <parameter type-id='c7ea70e0' name='node' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <parameter type-id='7359adad' name='last' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <return type-id='c7ea70e0'/>
+ </function-decl>
+ <function-decl name='interval_tree_remove' mangled-name='interval_tree_remove' filepath='lib/interval_tree.c' line='10' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='interval_tree_remove'>
+ <parameter type-id='c7ea70e0' name='node' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <parameter type-id='9e8dca7d' name='root' filepath='lib/interval_tree.c' line='10' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='invalidate_bdev' mangled-name='invalidate_bdev' filepath='fs/block_dev.c' line='90' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='invalidate_bdev'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='90' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='invalidate_mapping_pages' mangled-name='invalidate_mapping_pages' filepath='mm/truncate.c' line='629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='invalidate_mapping_pages'>
+ <parameter type-id='f57039f0' name='mapping' filepath='mm/truncate.c' line='629' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='mm/truncate.c' line='630' column='1'/>
+ <parameter type-id='7359adad' name='end' filepath='mm/truncate.c' line='630' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='io_schedule_timeout' mangled-name='io_schedule_timeout' filepath='kernel/sched/core.c' line='6528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='io_schedule_timeout'>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/sched/core.c' line='6528' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <var-decl name='iomem_resource' type-id='5218160d' mangled-name='iomem_resource' visibility='default' filepath='kernel/resource.c' line='38' column='1' elf-symbol-id='iomem_resource'/>
+ <function-decl name='iommu_alloc_resv_region' mangled-name='iommu_alloc_resv_region' filepath='drivers/iommu/iommu.c' line='2820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_alloc_resv_region'>
+ <parameter type-id='2522883d' name='start' filepath='drivers/iommu/iommu.c' line='2820' column='1'/>
+ <parameter type-id='b59d7dce' name='length' filepath='drivers/iommu/iommu.c' line='2821' column='1'/>
+ <parameter type-id='95e97e5e' name='prot' filepath='drivers/iommu/iommu.c' line='2821' column='1'/>
+ <parameter type-id='256c2037' name='type' filepath='drivers/iommu/iommu.c' line='2822' column='1'/>
+ <return type-id='24b0cc5e'/>
+ </function-decl>
+ <function-decl name='iommu_attach_device' mangled-name='iommu_attach_device' filepath='drivers/iommu/iommu.c' line='1942' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_attach_device'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='1942' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1942' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_attach_group' mangled-name='iommu_attach_group' filepath='drivers/iommu/iommu.c' line='2274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_attach_group'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2274' column='1'/>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='2274' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_aux_attach_device' mangled-name='iommu_aux_attach_device' filepath='drivers/iommu/iommu.c' line='3006' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_aux_attach_device'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='3006' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='3006' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_aux_detach_device' mangled-name='iommu_aux_detach_device' filepath='drivers/iommu/iommu.c' line='3020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_aux_detach_device'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='3020' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='3020' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_aux_get_pasid' mangled-name='iommu_aux_get_pasid' filepath='drivers/iommu/iommu.c' line='3029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_aux_get_pasid'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='3029' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='3029' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_detach_device' mangled-name='iommu_detach_device' filepath='drivers/iommu/iommu.c' line='2193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_detach_device'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2193' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2193' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_detach_group' mangled-name='iommu_detach_group' filepath='drivers/iommu/iommu.c' line='2319' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_detach_group'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2319' column='1'/>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='2319' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_dev_enable_feature' mangled-name='iommu_dev_enable_feature' filepath='drivers/iommu/iommu.c' line='2952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dev_enable_feature'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2952' column='1'/>
+ <parameter type-id='29d28711' name='feat' filepath='drivers/iommu/iommu.c' line='2952' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_dev_feature_enabled' mangled-name='iommu_dev_feature_enabled' filepath='drivers/iommu/iommu.c' line='2983' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dev_feature_enabled'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2983' column='1'/>
+ <parameter type-id='29d28711' name='feat' filepath='drivers/iommu/iommu.c' line='2983' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='iommu_device_register' mangled-name='iommu_device_register' filepath='drivers/iommu/iommu.c' line='154' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_register'>
+ <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu.c' line='154' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_device_sysfs_add' mangled-name='iommu_device_sysfs_add' filepath='drivers/iommu/iommu-sysfs.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_sysfs_add'>
+ <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu-sysfs.c' line='54' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/iommu/iommu-sysfs.c' line='55' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='drivers/iommu/iommu-sysfs.c' line='56' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/iommu/iommu-sysfs.c' line='57' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_device_sysfs_remove' mangled-name='iommu_device_sysfs_remove' filepath='drivers/iommu/iommu-sysfs.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_sysfs_remove'>
+ <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu-sysfs.c' line='92' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_device_unlink' mangled-name='iommu_device_unlink' filepath='drivers/iommu/iommu-sysfs.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_unlink'>
+ <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu-sysfs.c' line='127' column='1'/>
+ <parameter type-id='fa0b179b' name='link' filepath='drivers/iommu/iommu-sysfs.c' line='127' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_device_unregister' mangled-name='iommu_device_unregister' filepath='drivers/iommu/iommu.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_device_unregister'>
+ <parameter type-id='2f00283d' name='iommu' filepath='drivers/iommu/iommu.c' line='163' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_dma_enable_best_fit_algo' mangled-name='iommu_dma_enable_best_fit_algo' filepath='drivers/iommu/dma-iommu.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dma_enable_best_fit_algo'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/dma-iommu.c' line='407' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_dma_get_resv_regions' mangled-name='iommu_dma_get_resv_regions' filepath='drivers/iommu/dma-iommu.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dma_get_resv_regions'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/dma-iommu.c' line='161' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='drivers/iommu/dma-iommu.c' line='161' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_dma_reserve_iova' mangled-name='iommu_dma_reserve_iova' filepath='drivers/iommu/dma-iommu.c' line='379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_dma_reserve_iova'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/dma-iommu.c' line='379' column='1'/>
+ <parameter type-id='cf29c9b3' name='base' filepath='drivers/iommu/dma-iommu.c' line='379' column='1'/>
+ <parameter type-id='91ce1af9' name='size' filepath='drivers/iommu/dma-iommu.c' line='380' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_domain_alloc' mangled-name='iommu_domain_alloc' filepath='drivers/iommu/iommu.c' line='1916' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_domain_alloc'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/iommu/iommu.c' line='1916' column='1'/>
+ <return type-id='bff05edb'/>
+ </function-decl>
+ <function-decl name='iommu_domain_free' mangled-name='iommu_domain_free' filepath='drivers/iommu/iommu.c' line='1922' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_domain_free'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='1922' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_domain_get_attr' mangled-name='iommu_domain_get_attr' filepath='drivers/iommu/iommu.c' line='2740' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_domain_get_attr'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2740' column='1'/>
+ <parameter type-id='e176cc45' name='attr' filepath='drivers/iommu/iommu.c' line='2741' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/iommu/iommu.c' line='2741' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_domain_set_attr' mangled-name='iommu_domain_set_attr' filepath='drivers/iommu/iommu.c' line='2768' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_domain_set_attr'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2768' column='1'/>
+ <parameter type-id='e176cc45' name='attr' filepath='drivers/iommu/iommu.c' line='2769' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/iommu/iommu.c' line='2769' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_fwspec_add_ids' mangled-name='iommu_fwspec_add_ids' filepath='drivers/iommu/iommu.c' line='2912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_fwspec_add_ids'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2912' column='1'/>
+ <parameter type-id='f9409001' name='ids' filepath='drivers/iommu/iommu.c' line='2912' column='1'/>
+ <parameter type-id='95e97e5e' name='num_ids' filepath='drivers/iommu/iommu.c' line='2912' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_fwspec_free' mangled-name='iommu_fwspec_free' filepath='drivers/iommu/iommu.c' line='2900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_fwspec_free'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2900' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_get_dma_cookie' mangled-name='iommu_get_dma_cookie' filepath='drivers/iommu/dma-iommu.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_get_dma_cookie'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/dma-iommu.c' line='79' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_get_domain_for_dev' mangled-name='iommu_get_domain_for_dev' filepath='drivers/iommu/iommu.c' line='2215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_get_domain_for_dev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2215' column='1'/>
+ <return type-id='bff05edb'/>
+ </function-decl>
+ <function-decl name='iommu_get_msi_cookie' mangled-name='iommu_get_msi_cookie' filepath='drivers/iommu/dma-iommu.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_get_msi_cookie'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/dma-iommu.c' line='104' column='1'/>
+ <parameter type-id='cf29c9b3' name='base' filepath='drivers/iommu/dma-iommu.c' line='104' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_group_alloc' mangled-name='iommu_group_alloc' filepath='drivers/iommu/iommu.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_alloc'>
+ <return type-id='0b19fc54'/>
+ </function-decl>
+ <function-decl name='iommu_group_for_each_dev' mangled-name='iommu_group_for_each_dev' filepath='drivers/iommu/iommu.c' line='954' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_for_each_dev'>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='954' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/iommu/iommu.c' line='954' column='1'/>
+ <parameter type-id='92d15ae9' name='fn' filepath='drivers/iommu/iommu.c' line='955' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_group_get' mangled-name='iommu_group_get' filepath='drivers/iommu/iommu.c' line='975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='975' column='1'/>
+ <return type-id='0b19fc54'/>
+ </function-decl>
+ <function-decl name='iommu_group_get_iommudata' mangled-name='iommu_group_get_iommudata' filepath='drivers/iommu/iommu.c' line='662' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_get_iommudata'>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='662' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='iommu_group_put' mangled-name='iommu_group_put' filepath='drivers/iommu/iommu.c' line='1007' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_put'>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='1007' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_group_ref_get' mangled-name='iommu_group_ref_get' filepath='drivers/iommu/iommu.c' line='993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_ref_get'>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='993' column='1'/>
+ <return type-id='0b19fc54'/>
+ </function-decl>
+ <function-decl name='iommu_group_remove_device' mangled-name='iommu_group_remove_device' filepath='drivers/iommu/iommu.c' line='878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_remove_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='878' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_group_set_iommudata' mangled-name='iommu_group_set_iommudata' filepath='drivers/iommu/iommu.c' line='678' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_set_iommudata'>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='678' column='1'/>
+ <parameter type-id='eaa32e2f' name='iommu_data' filepath='drivers/iommu/iommu.c' line='678' column='1'/>
+ <parameter type-id='b7f9d8e6' name='release' filepath='drivers/iommu/iommu.c' line='679' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_group_set_name' mangled-name='iommu_group_set_name' filepath='drivers/iommu/iommu.c' line='694' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_group_set_name'>
+ <parameter type-id='0b19fc54' name='group' filepath='drivers/iommu/iommu.c' line='694' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/iommu/iommu.c' line='694' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_iova_to_phys' mangled-name='iommu_iova_to_phys' filepath='drivers/iommu/iommu.c' line='2327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_iova_to_phys'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2327' column='1'/>
+ <parameter type-id='cf29c9b3' name='iova' filepath='drivers/iommu/iommu.c' line='2327' column='1'/>
+ <return type-id='2522883d'/>
+ </function-decl>
+ <function-decl name='iommu_map' mangled-name='iommu_map' filepath='drivers/iommu/iommu.c' line='2488' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_map'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2488' column='1'/>
+ <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2488' column='1'/>
+ <parameter type-id='2522883d' name='paddr' filepath='drivers/iommu/iommu.c' line='2489' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/iommu/iommu.c' line='2489' column='1'/>
+ <parameter type-id='95e97e5e' name='prot' filepath='drivers/iommu/iommu.c' line='2489' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_map_sg' mangled-name='iommu_map_sg' filepath='drivers/iommu/iommu.c' line='2651' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_map_sg'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2651' column='1'/>
+ <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2651' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='drivers/iommu/iommu.c' line='2652' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='drivers/iommu/iommu.c' line='2652' column='1'/>
+ <parameter type-id='95e97e5e' name='prot' filepath='drivers/iommu/iommu.c' line='2652' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='iommu_present' mangled-name='iommu_present' filepath='drivers/iommu/iommu.c' line='1858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_present'>
+ <parameter type-id='5e2671f8' name='bus' filepath='drivers/iommu/iommu.c' line='1858' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='iommu_put_dma_cookie' mangled-name='iommu_put_dma_cookie' filepath='drivers/iommu/dma-iommu.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_put_dma_cookie'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/dma-iommu.c' line='131' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_register_device_fault_handler' mangled-name='iommu_register_device_fault_handler' filepath='drivers/iommu/iommu.c' line='1062' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_register_device_fault_handler'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1062' column='1'/>
+ <parameter type-id='a84f5b46' name='handler' filepath='drivers/iommu/iommu.c' line='1063' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/iommu/iommu.c' line='1064' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_report_device_fault' mangled-name='iommu_report_device_fault' filepath='drivers/iommu/iommu.c' line='1147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_report_device_fault'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1147' column='1'/>
+ <parameter type-id='af233abc' name='evt' filepath='drivers/iommu/iommu.c' line='1147' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iommu_set_fault_handler' mangled-name='iommu_set_fault_handler' filepath='drivers/iommu/iommu.c' line='1885' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_set_fault_handler'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='1885' column='1'/>
+ <parameter type-id='a01c3626' name='handler' filepath='drivers/iommu/iommu.c' line='1886' column='1'/>
+ <parameter type-id='eaa32e2f' name='token' filepath='drivers/iommu/iommu.c' line='1887' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iommu_unmap' mangled-name='iommu_unmap' filepath='drivers/iommu/iommu.c' line='2570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_unmap'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2570' column='1'/>
+ <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2571' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/iommu/iommu.c' line='2571' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='iommu_unregister_device_fault_handler' mangled-name='iommu_unregister_device_fault_handler' filepath='drivers/iommu/iommu.c' line='1107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iommu_unregister_device_fault_handler'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1107' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ioremap_cache' mangled-name='ioremap_cache' filepath='arch/arm64/mm/ioremap.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ioremap_cache'>
+ <parameter type-id='2522883d' name='phys_addr' filepath='arch/arm64/mm/ioremap.c' line='84' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='arch/arm64/mm/ioremap.c' line='84' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='iounmap' mangled-name='iounmap' filepath='arch/arm64/mm/ioremap.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iounmap'>
+ <parameter type-id='fe09dd29' name='io_addr' filepath='arch/arm64/mm/ioremap.c' line='71' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iov_iter_bvec' mangled-name='iov_iter_bvec' filepath='lib/iov_iter.c' line='1188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iov_iter_bvec'>
+ <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='1188' column='1'/>
+ <parameter type-id='f0981eeb' name='direction' filepath='lib/iov_iter.c' line='1188' column='1'/>
+ <parameter type-id='15c9a01b' name='bvec' filepath='lib/iov_iter.c' line='1189' column='1'/>
+ <parameter type-id='7359adad' name='nr_segs' filepath='lib/iov_iter.c' line='1189' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/iov_iter.c' line='1190' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='iov_iter_kvec' mangled-name='iov_iter_kvec' filepath='lib/iov_iter.c' line='1175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iov_iter_kvec'>
+ <parameter type-id='4fa10f9e' name='i' filepath='lib/iov_iter.c' line='1175' column='1'/>
+ <parameter type-id='f0981eeb' name='direction' filepath='lib/iov_iter.c' line='1175' column='1'/>
+ <parameter type-id='5199c30d' name='kvec' filepath='lib/iov_iter.c' line='1176' column='1'/>
+ <parameter type-id='7359adad' name='nr_segs' filepath='lib/iov_iter.c' line='1176' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/iov_iter.c' line='1177' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ip6_local_out' mangled-name='ip6_local_out' filepath='net/ipv6/output_core.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip6_local_out'>
+ <parameter type-id='a2bff676' name='net' filepath='net/ipv6/output_core.c' line='155' column='1'/>
+ <parameter type-id='f772df6d' name='sk' filepath='net/ipv6/output_core.c' line='155' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/ipv6/output_core.c' line='155' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ip6_route_me_harder' mangled-name='ip6_route_me_harder' filepath='net/ipv6/netfilter.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip6_route_me_harder'>
+ <parameter type-id='a2bff676' name='net' filepath='net/ipv6/netfilter.c' line='23' column='1'/>
+ <parameter type-id='f772df6d' name='sk_partial' filepath='net/ipv6/netfilter.c' line='23' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/ipv6/netfilter.c' line='23' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ip_compute_csum' mangled-name='ip_compute_csum' filepath='lib/checksum.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip_compute_csum'>
+ <parameter type-id='eaa32e2f' name='buff' filepath='lib/checksum.c' line='142' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='lib/checksum.c' line='142' column='1'/>
+ <return type-id='7dac1e36'/>
+ </function-decl>
+ <function-decl name='ip_local_out' mangled-name='ip_local_out' filepath='net/ipv4/ip_output.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip_local_out'>
+ <parameter type-id='a2bff676' name='net' filepath='net/ipv4/ip_output.c' line='120' column='1'/>
+ <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/ip_output.c' line='120' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/ipv4/ip_output.c' line='120' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ip_route_me_harder' mangled-name='ip_route_me_harder' filepath='net/ipv4/netfilter.c' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip_route_me_harder'>
+ <parameter type-id='a2bff676' name='net' filepath='net/ipv4/netfilter.c' line='20' column='1'/>
+ <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/netfilter.c' line='20' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/ipv4/netfilter.c' line='20' column='1'/>
+ <parameter type-id='f0981eeb' name='addr_type' filepath='net/ipv4/netfilter.c' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ip_route_output_flow' mangled-name='ip_route_output_flow' filepath='net/ipv4/route.c' line='2771' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip_route_output_flow'>
+ <parameter type-id='a2bff676' name='net' filepath='net/ipv4/route.c' line='2771' column='1'/>
+ <parameter type-id='a198549e' name='flp4' filepath='net/ipv4/route.c' line='2771' column='1'/>
+ <parameter type-id='78e7cf52' name='sk' filepath='net/ipv4/route.c' line='2772' column='1'/>
+ <return type-id='c8f5869f'/>
+ </function-decl>
+ <function-decl name='ip_send_check' mangled-name='ip_send_check' filepath='net/ipv4/ip_output.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ip_send_check'>
+ <parameter type-id='53be694c' name='iph' filepath='net/ipv4/ip_output.c' line='92' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ipi_desc_get' mangled-name='ipi_desc_get' filepath='arch/arm64/kernel/smp.c' line='1153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ipi_desc_get'>
+ <return type-id='9d9a0573'/>
+ </function-decl>
+ <function-decl name='iput' mangled-name='iput' filepath='fs/inode.c' line='1668' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iput'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/inode.c' line='1668' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ipv6_ext_hdr' mangled-name='ipv6_ext_hdr' filepath='net/ipv6/exthdrs_core.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ipv6_ext_hdr'>
+ <parameter type-id='f9b06939' name='nexthdr' filepath='net/ipv6/exthdrs_core.c' line='13' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='ipv6_find_hdr' mangled-name='ipv6_find_hdr' filepath='net/ipv6/exthdrs_core.c' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ipv6_find_hdr'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/ipv6/exthdrs_core.c' line='186' column='1'/>
+ <parameter type-id='807869d3' name='offset' filepath='net/ipv6/exthdrs_core.c' line='186' column='1'/>
+ <parameter type-id='95e97e5e' name='target' filepath='net/ipv6/exthdrs_core.c' line='187' column='1'/>
+ <parameter type-id='e9e550dd' name='fragoff' filepath='net/ipv6/exthdrs_core.c' line='187' column='1'/>
+ <parameter type-id='7292109c' name='flags' filepath='net/ipv6/exthdrs_core.c' line='187' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ipv6_skip_exthdr' mangled-name='ipv6_skip_exthdr' filepath='net/ipv6/exthdrs_core.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ipv6_skip_exthdr'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/ipv6/exthdrs_core.c' line='72' column='1'/>
+ <parameter type-id='95e97e5e' name='start' filepath='net/ipv6/exthdrs_core.c' line='72' column='1'/>
+ <parameter type-id='8bff8096' name='nexthdrp' filepath='net/ipv6/exthdrs_core.c' line='72' column='1'/>
+ <parameter type-id='769cf345' name='frag_offp' filepath='net/ipv6/exthdrs_core.c' line='73' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='ipv6_stub' type-id='ab989fa8' mangled-name='ipv6_stub' visibility='default' filepath='net/ipv6/addrconf_core.c' line='201' column='1' elf-symbol-id='ipv6_stub'/>
+ <function-decl name='ir_raw_event_store_edge' mangled-name='ir_raw_event_store_edge' filepath='drivers/media/rc/rc-ir-raw.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ir_raw_event_store_edge'>
+ <parameter type-id='75ae4804' name='dev' filepath='drivers/media/rc/rc-ir-raw.c' line='102' column='1'/>
+ <parameter type-id='b50a4934' name='pulse' filepath='drivers/media/rc/rc-ir-raw.c' line='102' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_ack_parent' mangled-name='irq_chip_ack_parent' filepath='kernel/irq/chip.c' line='1418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_ack_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1418' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_chip_disable_parent' mangled-name='irq_chip_disable_parent' filepath='kernel/irq/chip.c' line='1404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_disable_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1404' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_chip_enable_parent' mangled-name='irq_chip_enable_parent' filepath='kernel/irq/chip.c' line='1389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_enable_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1389' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_chip_eoi_parent' mangled-name='irq_chip_eoi_parent' filepath='kernel/irq/chip.c' line='1462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_eoi_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1462' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_chip_get_parent_state' mangled-name='irq_chip_get_parent_state' filepath='kernel/irq/chip.c' line='1371' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_get_parent_state'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1371' column='1'/>
+ <parameter type-id='0187da1b' name='which' filepath='kernel/irq/chip.c' line='1372' column='1'/>
+ <parameter type-id='d8e6b335' name='state' filepath='kernel/irq/chip.c' line='1373' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_mask_parent' mangled-name='irq_chip_mask_parent' filepath='kernel/irq/chip.c' line='1429' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_mask_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1429' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_chip_retrigger_hierarchy' mangled-name='irq_chip_retrigger_hierarchy' filepath='kernel/irq/chip.c' line='1513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_retrigger_hierarchy'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1513' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_set_affinity_parent' mangled-name='irq_chip_set_affinity_parent' filepath='kernel/irq/chip.c' line='1477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_affinity_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1477' column='1'/>
+ <parameter type-id='5f8a1ac4' name='dest' filepath='kernel/irq/chip.c' line='1478' column='1'/>
+ <parameter type-id='b50a4934' name='force' filepath='kernel/irq/chip.c' line='1478' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_set_parent_state' mangled-name='irq_chip_set_parent_state' filepath='kernel/irq/chip.c' line='1349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_parent_state'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1349' column='1'/>
+ <parameter type-id='0187da1b' name='which' filepath='kernel/irq/chip.c' line='1350' column='1'/>
+ <parameter type-id='b50a4934' name='val' filepath='kernel/irq/chip.c' line='1351' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_set_type_parent' mangled-name='irq_chip_set_type_parent' filepath='kernel/irq/chip.c' line='1495' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_type_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1495' column='1'/>
+ <parameter type-id='f0981eeb' name='type' filepath='kernel/irq/chip.c' line='1495' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_set_vcpu_affinity_parent' mangled-name='irq_chip_set_vcpu_affinity_parent' filepath='kernel/irq/chip.c' line='1528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_vcpu_affinity_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1528' column='1'/>
+ <parameter type-id='eaa32e2f' name='vcpu_info' filepath='kernel/irq/chip.c' line='1528' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_set_wake_parent' mangled-name='irq_chip_set_wake_parent' filepath='kernel/irq/chip.c' line='1544' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_set_wake_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1544' column='1'/>
+ <parameter type-id='f0981eeb' name='on' filepath='kernel/irq/chip.c' line='1544' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_chip_unmask_parent' mangled-name='irq_chip_unmask_parent' filepath='kernel/irq/chip.c' line='1451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_chip_unmask_parent'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/chip.c' line='1451' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_create_fwspec_mapping' mangled-name='irq_create_fwspec_mapping' filepath='kernel/irq/irqdomain.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_create_fwspec_mapping'>
+ <parameter type-id='2869bb38' name='fwspec' filepath='kernel/irq/irqdomain.c' line='752' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='irq_create_mapping_affinity' mangled-name='irq_create_mapping_affinity' filepath='kernel/irq/irqdomain.c' line='639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_create_mapping_affinity'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='639' column='1'/>
+ <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='640' column='1'/>
+ <parameter type-id='07779cd9' name='affinity' filepath='kernel/irq/irqdomain.c' line='641' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='irq_create_of_mapping' mangled-name='irq_create_of_mapping' filepath='kernel/irq/irqdomain.c' line='843' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_create_of_mapping'>
+ <parameter type-id='51a94113' name='irq_data' filepath='kernel/irq/irqdomain.c' line='843' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='irq_dispose_mapping' mangled-name='irq_dispose_mapping' filepath='kernel/irq/irqdomain.c' line='858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_dispose_mapping'>
+ <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='858' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_do_set_affinity' mangled-name='irq_do_set_affinity' filepath='kernel/irq/manage.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_do_set_affinity'>
+ <parameter type-id='1c475548' name='data' filepath='kernel/irq/manage.c' line='221' column='1'/>
+ <parameter type-id='5f8a1ac4' name='mask' filepath='kernel/irq/manage.c' line='221' column='1'/>
+ <parameter type-id='b50a4934' name='force' filepath='kernel/irq/manage.c' line='222' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_domain_add_legacy' mangled-name='irq_domain_add_legacy' filepath='kernel/irq/irqdomain.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_add_legacy'>
+ <parameter type-id='9a537bbe' name='of_node' filepath='kernel/irq/irqdomain.c' line='349' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='kernel/irq/irqdomain.c' line='350' column='1'/>
+ <parameter type-id='f0981eeb' name='first_irq' filepath='kernel/irq/irqdomain.c' line='351' column='1'/>
+ <parameter type-id='88370ce9' name='first_hwirq' filepath='kernel/irq/irqdomain.c' line='352' column='1'/>
+ <parameter type-id='2c202856' name='ops' filepath='kernel/irq/irqdomain.c' line='353' column='1'/>
+ <parameter type-id='eaa32e2f' name='host_data' filepath='kernel/irq/irqdomain.c' line='354' column='1'/>
+ <return type-id='7544e824'/>
+ </function-decl>
+ <function-decl name='irq_domain_alloc_irqs_parent' mangled-name='irq_domain_alloc_irqs_parent' filepath='kernel/irq/irqdomain.c' line='1685' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_alloc_irqs_parent'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1685' column='1'/>
+ <parameter type-id='f0981eeb' name='irq_base' filepath='kernel/irq/irqdomain.c' line='1686' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_irqs' filepath='kernel/irq/irqdomain.c' line='1686' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='kernel/irq/irqdomain.c' line='1687' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_domain_create_hierarchy' mangled-name='irq_domain_create_hierarchy' filepath='kernel/irq/irqdomain.c' line='1069' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_create_hierarchy'>
+ <parameter type-id='7544e824' name='parent' filepath='kernel/irq/irqdomain.c' line='1069' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='kernel/irq/irqdomain.c' line='1070' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='kernel/irq/irqdomain.c' line='1071' column='1'/>
+ <parameter type-id='4a935625' name='fwnode' filepath='kernel/irq/irqdomain.c' line='1072' column='1'/>
+ <parameter type-id='2c202856' name='ops' filepath='kernel/irq/irqdomain.c' line='1073' column='1'/>
+ <parameter type-id='eaa32e2f' name='host_data' filepath='kernel/irq/irqdomain.c' line='1074' column='1'/>
+ <return type-id='7544e824'/>
+ </function-decl>
+ <function-decl name='irq_domain_disconnect_hierarchy' mangled-name='irq_domain_disconnect_hierarchy' filepath='kernel/irq/irqdomain.c' line='1183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_disconnect_hierarchy'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1183' column='1'/>
+ <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_domain_free_irqs_common' mangled-name='irq_domain_free_irqs_common' filepath='kernel/irq/irqdomain.c' line='1342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_free_irqs_common'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1342' column='1'/>
+ <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1342' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_irqs' filepath='kernel/irq/irqdomain.c' line='1343' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_domain_free_irqs_parent' mangled-name='irq_domain_free_irqs_parent' filepath='kernel/irq/irqdomain.c' line='1705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_free_irqs_parent'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1705' column='1'/>
+ <parameter type-id='f0981eeb' name='irq_base' filepath='kernel/irq/irqdomain.c' line='1706' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_irqs' filepath='kernel/irq/irqdomain.c' line='1706' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_domain_get_irq_data' mangled-name='irq_domain_get_irq_data' filepath='kernel/irq/irqdomain.c' line='1275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_get_irq_data'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1275' column='1'/>
+ <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1276' column='1'/>
+ <return type-id='1c475548'/>
+ </function-decl>
+ <function-decl name='irq_domain_remove' mangled-name='irq_domain_remove' filepath='kernel/irq/irqdomain.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_remove'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='229' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_domain_set_hwirq_and_chip' mangled-name='irq_domain_set_hwirq_and_chip' filepath='kernel/irq/irqdomain.c' line='1297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_set_hwirq_and_chip'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1297' column='1'/>
+ <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1297' column='1'/>
+ <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='1298' column='1'/>
+ <parameter type-id='8846a616' name='chip' filepath='kernel/irq/irqdomain.c' line='1298' column='1'/>
+ <parameter type-id='eaa32e2f' name='chip_data' filepath='kernel/irq/irqdomain.c' line='1299' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_domain_set_info' mangled-name='irq_domain_set_info' filepath='kernel/irq/irqdomain.c' line='1325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_set_info'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='1325' column='1'/>
+ <parameter type-id='f0981eeb' name='virq' filepath='kernel/irq/irqdomain.c' line='1325' column='1'/>
+ <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='1326' column='1'/>
+ <parameter type-id='8846a616' name='chip' filepath='kernel/irq/irqdomain.c' line='1326' column='1'/>
+ <parameter type-id='eaa32e2f' name='chip_data' filepath='kernel/irq/irqdomain.c' line='1327' column='1'/>
+ <parameter type-id='cdb741d3' name='handler' filepath='kernel/irq/irqdomain.c' line='1327' column='1'/>
+ <parameter type-id='eaa32e2f' name='handler_data' filepath='kernel/irq/irqdomain.c' line='1328' column='1'/>
+ <parameter type-id='80f4b756' name='handler_name' filepath='kernel/irq/irqdomain.c' line='1328' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='irq_domain_simple_ops' type-id='a4974438' mangled-name='irq_domain_simple_ops' visibility='default' filepath='kernel/irq/irqdomain.c' line='975' column='1' elf-symbol-id='irq_domain_simple_ops'/>
+ <function-decl name='irq_domain_update_bus_token' mangled-name='irq_domain_update_bus_token' filepath='kernel/irq/irqdomain.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_update_bus_token'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='256' column='1'/>
+ <parameter type-id='385b8018' name='bus_token' filepath='kernel/irq/irqdomain.c' line='257' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_domain_xlate_onecell' mangled-name='irq_domain_xlate_onecell' filepath='kernel/irq/irqdomain.c' line='918' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_xlate_onecell'>
+ <parameter type-id='7544e824' name='d' filepath='kernel/irq/irqdomain.c' line='918' column='1'/>
+ <parameter type-id='9a537bbe' name='ctrlr' filepath='kernel/irq/irqdomain.c' line='918' column='1'/>
+ <parameter type-id='aded214c' name='intspec' filepath='kernel/irq/irqdomain.c' line='919' column='1'/>
+ <parameter type-id='f0981eeb' name='intsize' filepath='kernel/irq/irqdomain.c' line='919' column='1'/>
+ <parameter type-id='1d2c2b85' name='out_hwirq' filepath='kernel/irq/irqdomain.c' line='920' column='1'/>
+ <parameter type-id='807869d3' name='out_type' filepath='kernel/irq/irqdomain.c' line='920' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_domain_xlate_onetwocell' mangled-name='irq_domain_xlate_onetwocell' filepath='kernel/irq/irqdomain.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_xlate_onetwocell'>
+ <parameter type-id='7544e824' name='d' filepath='kernel/irq/irqdomain.c' line='959' column='1'/>
+ <parameter type-id='9a537bbe' name='ctrlr' filepath='kernel/irq/irqdomain.c' line='960' column='1'/>
+ <parameter type-id='aded214c' name='intspec' filepath='kernel/irq/irqdomain.c' line='961' column='1'/>
+ <parameter type-id='f0981eeb' name='intsize' filepath='kernel/irq/irqdomain.c' line='961' column='1'/>
+ <parameter type-id='1d2c2b85' name='out_hwirq' filepath='kernel/irq/irqdomain.c' line='962' column='1'/>
+ <parameter type-id='807869d3' name='out_type' filepath='kernel/irq/irqdomain.c' line='962' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_domain_xlate_twocell' mangled-name='irq_domain_xlate_twocell' filepath='kernel/irq/irqdomain.c' line='937' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_domain_xlate_twocell'>
+ <parameter type-id='7544e824' name='d' filepath='kernel/irq/irqdomain.c' line='937' column='1'/>
+ <parameter type-id='9a537bbe' name='ctrlr' filepath='kernel/irq/irqdomain.c' line='937' column='1'/>
+ <parameter type-id='aded214c' name='intspec' filepath='kernel/irq/irqdomain.c' line='938' column='1'/>
+ <parameter type-id='f0981eeb' name='intsize' filepath='kernel/irq/irqdomain.c' line='938' column='1'/>
+ <parameter type-id='ebc26324' name='out_hwirq' filepath='kernel/irq/irqdomain.c' line='939' column='1'/>
+ <parameter type-id='807869d3' name='out_type' filepath='kernel/irq/irqdomain.c' line='939' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_find_mapping' mangled-name='irq_find_mapping' filepath='kernel/irq/irqdomain.c' line='884' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_find_mapping'>
+ <parameter type-id='7544e824' name='domain' filepath='kernel/irq/irqdomain.c' line='884' column='1'/>
+ <parameter type-id='88370ce9' name='hwirq' filepath='kernel/irq/irqdomain.c' line='885' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='irq_find_matching_fwspec' mangled-name='irq_find_matching_fwspec' filepath='kernel/irq/irqdomain.c' line='372' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_find_matching_fwspec'>
+ <parameter type-id='2869bb38' name='fwspec' filepath='kernel/irq/irqdomain.c' line='372' column='1'/>
+ <parameter type-id='385b8018' name='bus_token' filepath='kernel/irq/irqdomain.c' line='373' column='1'/>
+ <return type-id='7544e824'/>
+ </function-decl>
+ <function-decl name='irq_gc_ack_set_bit' mangled-name='irq_gc_ack_set_bit' filepath='kernel/irq/generic-chip.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_ack_set_bit'>
+ <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='111' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_gc_mask_clr_bit' mangled-name='irq_gc_mask_clr_bit' filepath='kernel/irq/generic-chip.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_mask_clr_bit'>
+ <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='75' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_gc_mask_set_bit' mangled-name='irq_gc_mask_set_bit' filepath='kernel/irq/generic-chip.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_mask_set_bit'>
+ <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='55' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_gc_set_wake' mangled-name='irq_gc_set_wake' filepath='kernel/irq/generic-chip.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_gc_set_wake'>
+ <parameter type-id='1c475548' name='d' filepath='kernel/irq/generic-chip.c' line='187' column='1'/>
+ <parameter type-id='f0981eeb' name='on' filepath='kernel/irq/generic-chip.c' line='187' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='irq_generic_chip_ops' type-id='0926e4bd' mangled-name='irq_generic_chip_ops' visibility='default' filepath='kernel/irq/generic-chip.c' line='448' column='1' elf-symbol-id='irq_generic_chip_ops'/>
+ <function-decl name='irq_get_domain_generic_chip' mangled-name='irq_get_domain_generic_chip' filepath='kernel/irq/generic-chip.c' line='360' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_get_domain_generic_chip'>
+ <parameter type-id='7544e824' name='d' filepath='kernel/irq/generic-chip.c' line='360' column='1'/>
+ <parameter type-id='f0981eeb' name='hw_irq' filepath='kernel/irq/generic-chip.c' line='360' column='1'/>
+ <return type-id='e53d7a90'/>
+ </function-decl>
+ <function-decl name='irq_get_irq_data' mangled-name='irq_get_irq_data' filepath='kernel/irq/chip.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_get_irq_data'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='159' column='1'/>
+ <return type-id='1c475548'/>
+ </function-decl>
+ <function-decl name='irq_get_irqchip_state' mangled-name='irq_get_irqchip_state' filepath='kernel/irq/manage.c' line='2689' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_get_irqchip_state'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2689' column='1'/>
+ <parameter type-id='0187da1b' name='which' filepath='kernel/irq/manage.c' line='2689' column='1'/>
+ <parameter type-id='d8e6b335' name='state' filepath='kernel/irq/manage.c' line='2690' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_modify_status' mangled-name='irq_modify_status' filepath='kernel/irq/chip.c' line='1169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_modify_status'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='1169' column='1'/>
+ <parameter type-id='7359adad' name='clr' filepath='kernel/irq/chip.c' line='1169' column='1'/>
+ <parameter type-id='7359adad' name='set' filepath='kernel/irq/chip.c' line='1169' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_of_parse_and_map' mangled-name='irq_of_parse_and_map' filepath='drivers/of/irq.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_of_parse_and_map'>
+ <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/irq.c' line='36' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/irq.c' line='36' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='irq_set_affinity_hint' mangled-name='irq_set_affinity_hint' filepath='kernel/irq/manage.c' line='390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_affinity_hint'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='390' column='1'/>
+ <parameter type-id='5f8a1ac4' name='m' filepath='kernel/irq/manage.c' line='390' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_affinity_notifier' mangled-name='irq_set_affinity_notifier' filepath='kernel/irq/manage.c' line='443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_affinity_notifier'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='443' column='1'/>
+ <parameter type-id='7ca8e198' name='notify' filepath='kernel/irq/manage.c' line='443' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_chained_handler_and_data' mangled-name='irq_set_chained_handler_and_data' filepath='kernel/irq/chip.c' line='1103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chained_handler_and_data'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='1103' column='1'/>
+ <parameter type-id='cdb741d3' name='handle' filepath='kernel/irq/chip.c' line='1103' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/irq/chip.c' line='1104' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_set_chip' mangled-name='irq_set_chip' filepath='kernel/irq/chip.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chip'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='42' column='1'/>
+ <parameter type-id='8846a616' name='chip' filepath='kernel/irq/chip.c' line='42' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_chip_and_handler_name' mangled-name='irq_set_chip_and_handler_name' filepath='kernel/irq/chip.c' line='1120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chip_and_handler_name'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='1120' column='1'/>
+ <parameter type-id='8846a616' name='chip' filepath='kernel/irq/chip.c' line='1120' column='1'/>
+ <parameter type-id='cdb741d3' name='handle' filepath='kernel/irq/chip.c' line='1121' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/irq/chip.c' line='1121' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_set_chip_data' mangled-name='irq_set_chip_data' filepath='kernel/irq/chip.c' line='146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_chip_data'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='146' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/irq/chip.c' line='146' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_handler_data' mangled-name='irq_set_handler_data' filepath='kernel/irq/chip.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_handler_data'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='91' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/irq/chip.c' line='91' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_irq_type' mangled-name='irq_set_irq_type' filepath='kernel/irq/chip.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_irq_type'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/chip.c' line='69' column='1'/>
+ <parameter type-id='f0981eeb' name='type' filepath='kernel/irq/chip.c' line='69' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_irq_wake' mangled-name='irq_set_irq_wake' filepath='kernel/irq/manage.c' line='773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_irq_wake'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='773' column='1'/>
+ <parameter type-id='f0981eeb' name='on' filepath='kernel/irq/manage.c' line='773' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_irqchip_state' mangled-name='irq_set_irqchip_state' filepath='kernel/irq/manage.c' line='2722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_irqchip_state'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2722' column='1'/>
+ <parameter type-id='0187da1b' name='which' filepath='kernel/irq/manage.c' line='2722' column='1'/>
+ <parameter type-id='b50a4934' name='val' filepath='kernel/irq/manage.c' line='2723' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='irq_set_parent' mangled-name='irq_set_parent' filepath='kernel/irq/manage.c' line='896' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_set_parent'>
+ <parameter type-id='95e97e5e' name='irq' filepath='kernel/irq/manage.c' line='896' column='1'/>
+ <parameter type-id='95e97e5e' name='parent_irq' filepath='kernel/irq/manage.c' line='896' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='irq_stat' type-id='715fcff2' mangled-name='irq_stat' visibility='default' filepath='kernel/softirq.c' line='54' column='1' elf-symbol-id='irq_stat'/>
+ <function-decl name='irq_to_desc' mangled-name='irq_to_desc' filepath='kernel/irq/irqdesc.c' line='351' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_to_desc'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/irqdesc.c' line='351' column='1'/>
+ <return type-id='76c7d88b'/>
+ </function-decl>
+ <function-decl name='irq_work_queue' mangled-name='irq_work_queue' filepath='kernel/irq_work.c' line='67' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_work_queue'>
+ <parameter type-id='44bef697' name='work' filepath='kernel/irq_work.c' line='67' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='irq_work_queue_on' mangled-name='irq_work_queue_on' filepath='kernel/irq_work.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_work_queue_on'>
+ <parameter type-id='44bef697' name='work' filepath='kernel/irq_work.c' line='88' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/irq_work.c' line='88' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='irq_work_run' mangled-name='irq_work_run' filepath='kernel/irq_work.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_work_run'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='irq_work_sync' mangled-name='irq_work_sync' filepath='kernel/irq_work.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='irq_work_sync'>
+ <parameter type-id='44bef697' name='work' filepath='kernel/irq_work.c' line='197' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='is_console_locked' mangled-name='is_console_locked' filepath='kernel/printk/printk.c' line='2392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='is_console_locked'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='is_dma_buf_file' mangled-name='is_dma_buf_file' filepath='drivers/dma-buf/dma-buf.c' line='492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='is_dma_buf_file'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/dma-buf/dma-buf.c' line='492' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='is_vmalloc_addr' mangled-name='is_vmalloc_addr' filepath='mm/vmalloc.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='is_vmalloc_addr'>
+ <parameter type-id='eaa32e2f' name='x' filepath='mm/vmalloc.c' line='46' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='isolate_and_split_free_page' mangled-name='isolate_and_split_free_page' filepath='mm/compaction.c' line='767' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='isolate_and_split_free_page'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/compaction.c' line='767' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='mm/compaction.c' line='768' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='isolate_anon_lru_page' mangled-name='isolate_anon_lru_page' filepath='mm/page_alloc.c' line='538' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='isolate_anon_lru_page'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='538' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iterate_fd' mangled-name='iterate_fd' filepath='fs/file.c' line='1176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iterate_fd'>
+ <parameter type-id='16c53416' name='files' filepath='fs/file.c' line='1176' column='1'/>
+ <parameter type-id='f0981eeb' name='n' filepath='fs/file.c' line='1176' column='1'/>
+ <parameter type-id='d092647b' name='f' filepath='fs/file.c' line='1177' column='1'/>
+ <parameter type-id='eaa32e2f' name='p' filepath='fs/file.c' line='1178' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iw_handler_get_spy' mangled-name='iw_handler_get_spy' filepath='net/wireless/wext-spy.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_get_spy'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='74' column='1'/>
+ <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='75' column='1'/>
+ <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='76' column='1'/>
+ <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='77' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iw_handler_get_thrspy' mangled-name='iw_handler_get_thrspy' filepath='net/wireless/wext-spy.c' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_get_thrspy'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='137' column='1'/>
+ <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='138' column='1'/>
+ <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='139' column='1'/>
+ <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iw_handler_set_spy' mangled-name='iw_handler_set_spy' filepath='net/wireless/wext-spy.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_set_spy'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='26' column='1'/>
+ <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='27' column='1'/>
+ <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='28' column='1'/>
+ <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='29' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iw_handler_set_thrspy' mangled-name='iw_handler_set_thrspy' filepath='net/wireless/wext-spy.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iw_handler_set_thrspy'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-spy.c' line='110' column='1'/>
+ <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-spy.c' line='111' column='1'/>
+ <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-spy.c' line='112' column='1'/>
+ <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-spy.c' line='113' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='iwe_stream_add_event' mangled-name='iwe_stream_add_event' filepath='net/wireless/wext-core.c' line='1124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iwe_stream_add_event'>
+ <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-core.c' line='1124' column='1'/>
+ <parameter type-id='26a90f95' name='stream' filepath='net/wireless/wext-core.c' line='1124' column='1'/>
+ <parameter type-id='26a90f95' name='ends' filepath='net/wireless/wext-core.c' line='1125' column='1'/>
+ <parameter type-id='4f46bd9c' name='iwe' filepath='net/wireless/wext-core.c' line='1125' column='1'/>
+ <parameter type-id='95e97e5e' name='event_len' filepath='net/wireless/wext-core.c' line='1125' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='iwe_stream_add_point' mangled-name='iwe_stream_add_point' filepath='net/wireless/wext-core.c' line='1145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iwe_stream_add_point'>
+ <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-core.c' line='1145' column='1'/>
+ <parameter type-id='26a90f95' name='stream' filepath='net/wireless/wext-core.c' line='1145' column='1'/>
+ <parameter type-id='26a90f95' name='ends' filepath='net/wireless/wext-core.c' line='1146' column='1'/>
+ <parameter type-id='4f46bd9c' name='iwe' filepath='net/wireless/wext-core.c' line='1146' column='1'/>
+ <parameter type-id='26a90f95' name='extra' filepath='net/wireless/wext-core.c' line='1146' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='iwe_stream_add_value' mangled-name='iwe_stream_add_value' filepath='net/wireless/wext-core.c' line='1168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='iwe_stream_add_value'>
+ <parameter type-id='4780e252' name='info' filepath='net/wireless/wext-core.c' line='1168' column='1'/>
+ <parameter type-id='26a90f95' name='event' filepath='net/wireless/wext-core.c' line='1168' column='1'/>
+ <parameter type-id='26a90f95' name='value' filepath='net/wireless/wext-core.c' line='1169' column='1'/>
+ <parameter type-id='26a90f95' name='ends' filepath='net/wireless/wext-core.c' line='1169' column='1'/>
+ <parameter type-id='4f46bd9c' name='iwe' filepath='net/wireless/wext-core.c' line='1169' column='1'/>
+ <parameter type-id='95e97e5e' name='event_len' filepath='net/wireless/wext-core.c' line='1170' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='jiffies64_to_msecs' mangled-name='jiffies64_to_msecs' filepath='kernel/time/time.c' line='701' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='jiffies64_to_msecs'>
+ <parameter type-id='49c81889' name='j' filepath='kernel/time/time.c' line='701' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <var-decl name='jiffies_64' type-id='91ce1af9' mangled-name='jiffies_64' visibility='default' filepath='kernel/time/timer.c' line='64' column='1' elf-symbol-id='jiffies_64'/>
+ <function-decl name='jiffies_64_to_clock_t' mangled-name='jiffies_64_to_clock_t' filepath='kernel/time/time.c' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='jiffies_64_to_clock_t'>
+ <parameter type-id='91ce1af9' name='x' filepath='kernel/time/time.c' line='652' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='jiffies_to_msecs' mangled-name='jiffies_to_msecs' filepath='kernel/time/time.c' line='374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='jiffies_to_msecs'>
+ <parameter type-id='9cbd1c16' name='j' filepath='kernel/time/time.c' line='374' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='jiffies_to_usecs' mangled-name='jiffies_to_usecs' filepath='kernel/time/time.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='jiffies_to_usecs'>
+ <parameter type-id='9cbd1c16' name='j' filepath='kernel/time/time.c' line='391' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <var-decl name='kasan_flag_enabled' type-id='237c0d27' mangled-name='kasan_flag_enabled' visibility='default' filepath='mm/kasan/hw_tags.c' line='52' column='1' elf-symbol-id='kasan_flag_enabled'/>
+ <function-decl name='kasprintf' mangled-name='kasprintf' filepath='lib/kasprintf.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kasprintf'>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/kasprintf.c' line='53' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/kasprintf.c' line='53' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='kern_mount' mangled-name='kern_mount' filepath='fs/namespace.c' line='3881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kern_mount'>
+ <parameter type-id='21e53d44' name='type' filepath='fs/namespace.c' line='3881' column='1'/>
+ <return type-id='549da823'/>
+ </function-decl>
+ <function-decl name='kern_path' mangled-name='kern_path' filepath='fs/namei.c' line='2531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kern_path'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/namei.c' line='2531' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='fs/namei.c' line='2531' column='1'/>
+ <parameter type-id='bcfe6314' name='path' filepath='fs/namei.c' line='2531' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kern_unmount' mangled-name='kern_unmount' filepath='fs/namespace.c' line='3896' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kern_unmount'>
+ <parameter type-id='549da823' name='mnt' filepath='fs/namespace.c' line='3896' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_bind' mangled-name='kernel_bind' filepath='net/socket.c' line='3392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_bind'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3392' column='1'/>
+ <parameter type-id='5c0abad8' name='addr' filepath='net/socket.c' line='3392' column='1'/>
+ <parameter type-id='95e97e5e' name='addrlen' filepath='net/socket.c' line='3392' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kernel_connect' mangled-name='kernel_connect' filepath='net/socket.c' line='3461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_connect'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3461' column='1'/>
+ <parameter type-id='5c0abad8' name='addr' filepath='net/socket.c' line='3461' column='1'/>
+ <parameter type-id='95e97e5e' name='addrlen' filepath='net/socket.c' line='3461' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/socket.c' line='3462' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='kernel_cpustat' type-id='7b5f27b3' mangled-name='kernel_cpustat' visibility='default' filepath='kernel/sched/core.c' line='4159' column='1' elf-symbol-id='kernel_cpustat'/>
+ <function-decl name='kernel_getsockname' mangled-name='kernel_getsockname' filepath='net/socket.c' line='3477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_getsockname'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3477' column='1'/>
+ <parameter type-id='5c0abad8' name='addr' filepath='net/socket.c' line='3477' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='kernel_kobj' type-id='d30bdc51' mangled-name='kernel_kobj' visibility='default' filepath='kernel/ksysfs.c' line='208' column='1' elf-symbol-id='kernel_kobj'/>
+ <function-decl name='kernel_neon_begin' mangled-name='kernel_neon_begin' filepath='arch/arm64/kernel/fpsimd.c' line='1268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_neon_begin'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_neon_end' mangled-name='kernel_neon_end' filepath='arch/arm64/kernel/fpsimd.c' line='1294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_neon_end'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_param_lock' mangled-name='kernel_param_lock' filepath='kernel/params.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_param_lock'>
+ <parameter type-id='2730d015' name='mod' filepath='kernel/params.c' line='584' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_param_unlock' mangled-name='kernel_param_unlock' filepath='kernel/params.c' line='589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_param_unlock'>
+ <parameter type-id='2730d015' name='mod' filepath='kernel/params.c' line='589' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_power_off' mangled-name='kernel_power_off' filepath='kernel/reboot.c' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_power_off'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_recvmsg' mangled-name='kernel_recvmsg' filepath='net/socket.c' line='924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_recvmsg'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='924' column='1'/>
+ <parameter type-id='6b9b777a' name='msg' filepath='net/socket.c' line='924' column='1'/>
+ <parameter type-id='9c68341e' name='vec' filepath='net/socket.c' line='925' column='1'/>
+ <parameter type-id='b59d7dce' name='num' filepath='net/socket.c' line='925' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='net/socket.c' line='925' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/socket.c' line='925' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kernel_restart' mangled-name='kernel_restart' filepath='kernel/reboot.c' line='246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_restart'>
+ <parameter type-id='26a90f95' name='cmd' filepath='kernel/reboot.c' line='246' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_sendmsg' mangled-name='kernel_sendmsg' filepath='net/socket.c' line='688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_sendmsg'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='688' column='1'/>
+ <parameter type-id='6b9b777a' name='msg' filepath='net/socket.c' line='688' column='1'/>
+ <parameter type-id='9c68341e' name='vec' filepath='net/socket.c' line='689' column='1'/>
+ <parameter type-id='b59d7dce' name='num' filepath='net/socket.c' line='689' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='net/socket.c' line='689' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kernel_sigaction' mangled-name='kernel_sigaction' filepath='kernel/signal.c' line='3976' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_sigaction'>
+ <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='3976' column='1'/>
+ <parameter type-id='8cdd9566' name='action' filepath='kernel/signal.c' line='3976' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernel_sock_shutdown' mangled-name='kernel_sock_shutdown' filepath='net/socket.c' line='3554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernel_sock_shutdown'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='3554' column='1'/>
+ <parameter type-id='45c08bac' name='how' filepath='net/socket.c' line='3554' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kernfs_find_and_get_ns' mangled-name='kernfs_find_and_get_ns' filepath='fs/kernfs/dir.c' line='900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernfs_find_and_get_ns'>
+ <parameter type-id='150efd3f' name='parent' filepath='fs/kernfs/dir.c' line='900' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/kernfs/dir.c' line='901' column='1'/>
+ <parameter type-id='eaa32e2f' name='ns' filepath='fs/kernfs/dir.c' line='901' column='1'/>
+ <return type-id='150efd3f'/>
+ </function-decl>
+ <function-decl name='kernfs_notify' mangled-name='kernfs_notify' filepath='fs/kernfs/file.c' line='913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernfs_notify'>
+ <parameter type-id='150efd3f' name='kn' filepath='fs/kernfs/file.c' line='913' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kernfs_path_from_node' mangled-name='kernfs_path_from_node' filepath='fs/kernfs/dir.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernfs_path_from_node'>
+ <parameter type-id='150efd3f' name='to' filepath='fs/kernfs/dir.c' line='210' column='1'/>
+ <parameter type-id='150efd3f' name='from' filepath='fs/kernfs/dir.c' line='210' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/kernfs/dir.c' line='211' column='1'/>
+ <parameter type-id='b59d7dce' name='buflen' filepath='fs/kernfs/dir.c' line='211' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kernfs_put' mangled-name='kernfs_put' filepath='fs/kernfs/dir.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kernfs_put'>
+ <parameter type-id='150efd3f' name='kn' filepath='fs/kernfs/dir.c' line='506' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='key_create_or_update' mangled-name='key_create_or_update' filepath='security/keys/key.c' line='815' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='key_create_or_update'>
+ <parameter type-id='28804ffa' name='keyring_ref' filepath='security/keys/key.c' line='815' column='1'/>
+ <parameter type-id='80f4b756' name='type' filepath='security/keys/key.c' line='816' column='1'/>
+ <parameter type-id='80f4b756' name='description' filepath='security/keys/key.c' line='817' column='1'/>
+ <parameter type-id='eaa32e2f' name='payload' filepath='security/keys/key.c' line='818' column='1'/>
+ <parameter type-id='b59d7dce' name='plen' filepath='security/keys/key.c' line='819' column='1'/>
+ <parameter type-id='296adac1' name='perm' filepath='security/keys/key.c' line='820' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='security/keys/key.c' line='821' column='1'/>
+ <return type-id='28804ffa'/>
+ </function-decl>
+ <function-decl name='key_put' mangled-name='key_put' filepath='security/keys/key.c' line='646' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='key_put'>
+ <parameter type-id='204a4632' name='key' filepath='security/keys/key.c' line='646' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='keyring_alloc' mangled-name='keyring_alloc' filepath='security/keys/keyring.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='keyring_alloc'>
+ <parameter type-id='80f4b756' name='description' filepath='security/keys/keyring.c' line='517' column='1'/>
+ <parameter type-id='d80b72e6' name='uid' filepath='security/keys/keyring.c' line='517' column='1'/>
+ <parameter type-id='094d8048' name='gid' filepath='security/keys/keyring.c' line='517' column='1'/>
+ <parameter type-id='bc33861a' name='cred' filepath='security/keys/keyring.c' line='518' column='1'/>
+ <parameter type-id='296adac1' name='perm' filepath='security/keys/keyring.c' line='518' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='security/keys/keyring.c' line='519' column='1'/>
+ <parameter type-id='92daca01' name='restrict_link' filepath='security/keys/keyring.c' line='520' column='1'/>
+ <parameter type-id='204a4632' name='dest' filepath='security/keys/keyring.c' line='521' column='1'/>
+ <return type-id='204a4632'/>
+ </function-decl>
+ <function-decl name='kfree' mangled-name='kfree' filepath='mm/slub.c' line='4171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree'>
+ <parameter type-id='eaa32e2f' name='x' filepath='mm/slub.c' line='4171' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kfree_const' mangled-name='kfree_const' filepath='mm/util.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_const'>
+ <parameter type-id='eaa32e2f' name='x' filepath='mm/util.c' line='40' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kfree_sensitive' mangled-name='kfree_sensitive' filepath='mm/slab_common.c' line='1163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_sensitive'>
+ <parameter type-id='eaa32e2f' name='p' filepath='mm/slab_common.c' line='1163' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kfree_skb' mangled-name='kfree_skb' filepath='net/core/skbuff.c' line='706' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_skb'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='706' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kfree_skb_list' mangled-name='kfree_skb_list' filepath='net/core/skbuff.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kfree_skb_list'>
+ <parameter type-id='0fbf3cfd' name='segs' filepath='net/core/skbuff.c' line='717' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kick_all_cpus_sync' mangled-name='kick_all_cpus_sync' filepath='kernel/smp.c' line='938' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kick_all_cpus_sync'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kill_anon_super' mangled-name='kill_anon_super' filepath='fs/super.c' line='1105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_anon_super'>
+ <parameter type-id='42c8f564' name='sb' filepath='fs/super.c' line='1105' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kill_fasync' mangled-name='kill_fasync' filepath='fs/fcntl.c' line='1019' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_fasync'>
+ <parameter type-id='dc750055' name='fp' filepath='fs/fcntl.c' line='1019' column='1'/>
+ <parameter type-id='95e97e5e' name='sig' filepath='fs/fcntl.c' line='1019' column='1'/>
+ <parameter type-id='95e97e5e' name='band' filepath='fs/fcntl.c' line='1019' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kill_litter_super' mangled-name='kill_litter_super' filepath='fs/super.c' line='1113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_litter_super'>
+ <parameter type-id='42c8f564' name='sb' filepath='fs/super.c' line='1113' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kill_pid' mangled-name='kill_pid' filepath='kernel/signal.c' line='1805' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kill_pid'>
+ <parameter type-id='b94e5398' name='pid' filepath='kernel/signal.c' line='1805' column='1'/>
+ <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='1805' column='1'/>
+ <parameter type-id='95e97e5e' name='priv' filepath='kernel/signal.c' line='1805' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='kimage_voffset' type-id='91ce1af9' mangled-name='kimage_voffset' visibility='default' filepath='arch/arm64/mm/mmu.c' line='49' column='1' elf-symbol-id='kimage_voffset'/>
+ <function-decl name='kiocb_set_cancel_fn' mangled-name='kiocb_set_cancel_fn' filepath='fs/aio.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kiocb_set_cancel_fn'>
+ <parameter type-id='80f25feb' name='iocb' filepath='fs/aio.c' line='561' column='1'/>
+ <parameter type-id='09896a23' name='cancel' filepath='fs/aio.c' line='561' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='kmalloc_caches' type-id='5a527497' mangled-name='kmalloc_caches' visibility='default' filepath='mm/slab_common.c' line='604' column='1' elf-symbol-id='kmalloc_caches'/>
+ <function-decl name='kmalloc_order' mangled-name='kmalloc_order' filepath='mm/slab_common.c' line='849' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmalloc_order'>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/slab_common.c' line='849' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='mm/slab_common.c' line='849' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/slab_common.c' line='849' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='kmalloc_order_trace' mangled-name='kmalloc_order_trace' filepath='mm/slab_common.c' line='872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmalloc_order_trace'>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/slab_common.c' line='872' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='mm/slab_common.c' line='872' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/slab_common.c' line='872' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='kmem_cache_alloc' mangled-name='kmem_cache_alloc' filepath='mm/slub.c' line='2959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_alloc'>
+ <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='2959' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfpflags' filepath='mm/slub.c' line='2959' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='kmem_cache_alloc_trace' mangled-name='kmem_cache_alloc_trace' filepath='mm/slub.c' line='2971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_alloc_trace'>
+ <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='2971' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfpflags' filepath='mm/slub.c' line='2971' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/slub.c' line='2971' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='kmem_cache_create' mangled-name='kmem_cache_create' filepath='mm/slab_common.c' line='418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_create'>
+ <parameter type-id='80f4b756' name='name' filepath='mm/slab_common.c' line='418' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='mm/slab_common.c' line='418' column='1'/>
+ <parameter type-id='f0981eeb' name='align' filepath='mm/slab_common.c' line='418' column='1'/>
+ <parameter type-id='f7fe96cb' name='flags' filepath='mm/slab_common.c' line='419' column='1'/>
+ <parameter type-id='b7f9d8e6' name='ctor' filepath='mm/slab_common.c' line='419' column='1'/>
+ <return type-id='f3b4aca8'/>
+ </function-decl>
+ <function-decl name='kmem_cache_create_usercopy' mangled-name='kmem_cache_create_usercopy' filepath='mm/slab_common.c' line='303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_create_usercopy'>
+ <parameter type-id='80f4b756' name='name' filepath='mm/slab_common.c' line='303' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='mm/slab_common.c' line='304' column='1'/>
+ <parameter type-id='f0981eeb' name='align' filepath='mm/slab_common.c' line='304' column='1'/>
+ <parameter type-id='f7fe96cb' name='flags' filepath='mm/slab_common.c' line='305' column='1'/>
+ <parameter type-id='f0981eeb' name='useroffset' filepath='mm/slab_common.c' line='306' column='1'/>
+ <parameter type-id='f0981eeb' name='usersize' filepath='mm/slab_common.c' line='306' column='1'/>
+ <parameter type-id='b7f9d8e6' name='ctor' filepath='mm/slab_common.c' line='307' column='1'/>
+ <return type-id='f3b4aca8'/>
+ </function-decl>
+ <function-decl name='kmem_cache_destroy' mangled-name='kmem_cache_destroy' filepath='mm/slab_common.c' line='497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_destroy'>
+ <parameter type-id='f3b4aca8' name='s' filepath='mm/slab_common.c' line='497' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kmem_cache_free' mangled-name='kmem_cache_free' filepath='mm/slub.c' line='3215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmem_cache_free'>
+ <parameter type-id='f3b4aca8' name='s' filepath='mm/slub.c' line='3215' column='1'/>
+ <parameter type-id='eaa32e2f' name='x' filepath='mm/slub.c' line='3215' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kmemdup' mangled-name='kmemdup' filepath='mm/util.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmemdup'>
+ <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='127' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='127' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='127' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='kmemdup_nul' mangled-name='kmemdup_nul' filepath='mm/util.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmemdup_nul'>
+ <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='147' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='147' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='147' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='kmsg_dump_get_buffer' mangled-name='kmsg_dump_get_buffer' filepath='kernel/printk/printk.c' line='3391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmsg_dump_get_buffer'>
+ <parameter type-id='a83d0951' name='dumper' filepath='kernel/printk/printk.c' line='3391' column='1'/>
+ <parameter type-id='b50a4934' name='syslog' filepath='kernel/printk/printk.c' line='3391' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='kernel/printk/printk.c' line='3392' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/printk/printk.c' line='3392' column='1'/>
+ <parameter type-id='78c01427' name='len' filepath='kernel/printk/printk.c' line='3392' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kmsg_dump_get_line' mangled-name='kmsg_dump_get_line' filepath='kernel/printk/printk.c' line='3358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmsg_dump_get_line'>
+ <parameter type-id='a83d0951' name='dumper' filepath='kernel/printk/printk.c' line='3358' column='1'/>
+ <parameter type-id='b50a4934' name='syslog' filepath='kernel/printk/printk.c' line='3358' column='1'/>
+ <parameter type-id='26a90f95' name='line' filepath='kernel/printk/printk.c' line='3359' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/printk/printk.c' line='3359' column='1'/>
+ <parameter type-id='78c01427' name='len' filepath='kernel/printk/printk.c' line='3359' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kmsg_dump_register' mangled-name='kmsg_dump_register' filepath='kernel/printk/printk.c' line='3173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmsg_dump_register'>
+ <parameter type-id='a83d0951' name='dumper' filepath='kernel/printk/printk.c' line='3173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kmsg_dump_rewind' mangled-name='kmsg_dump_rewind' filepath='kernel/printk/printk.c' line='3493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmsg_dump_rewind'>
+ <parameter type-id='a83d0951' name='dumper' filepath='kernel/printk/printk.c' line='3493' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kmsg_dump_unregister' mangled-name='kmsg_dump_unregister' filepath='kernel/printk/printk.c' line='3202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kmsg_dump_unregister'>
+ <parameter type-id='a83d0951' name='dumper' filepath='kernel/printk/printk.c' line='3202' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='kobj_sysfs_ops' type-id='0f840455' mangled-name='kobj_sysfs_ops' visibility='default' filepath='lib/kobject.c' line='860' column='1' elf-symbol-id='kobj_sysfs_ops'/>
+ <function-decl name='kobject_add' mangled-name='kobject_add' filepath='lib/kobject.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_add'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='426' column='1'/>
+ <parameter type-id='d30bdc51' name='parent' filepath='lib/kobject.c' line='426' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/kobject.c' line='427' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kobject_create_and_add' mangled-name='kobject_create_and_add' filepath='lib/kobject.c' line='805' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_create_and_add'>
+ <parameter type-id='80f4b756' name='name' filepath='lib/kobject.c' line='805' column='1'/>
+ <parameter type-id='d30bdc51' name='parent' filepath='lib/kobject.c' line='805' column='1'/>
+ <return type-id='d30bdc51'/>
+ </function-decl>
+ <function-decl name='kobject_del' mangled-name='kobject_del' filepath='lib/kobject.c' line='635' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_del'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='635' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kobject_get' mangled-name='kobject_get' filepath='lib/kobject.c' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_get'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='652' column='1'/>
+ <return type-id='d30bdc51'/>
+ </function-decl>
+ <function-decl name='kobject_init' mangled-name='kobject_init' filepath='lib/kobject.c' line='349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_init'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='349' column='1'/>
+ <parameter type-id='c48b394e' name='ktype' filepath='lib/kobject.c' line='349' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kobject_init_and_add' mangled-name='kobject_init_and_add' filepath='lib/kobject.c' line='464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_init_and_add'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='464' column='1'/>
+ <parameter type-id='c48b394e' name='ktype' filepath='lib/kobject.c' line='464' column='1'/>
+ <parameter type-id='d30bdc51' name='parent' filepath='lib/kobject.c' line='465' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/kobject.c' line='465' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kobject_put' mangled-name='kobject_put' filepath='lib/kobject.c' line='746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_put'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='746' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kobject_set_name' mangled-name='kobject_set_name' filepath='lib/kobject.c' line='324' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_set_name'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject.c' line='324' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/kobject.c' line='324' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kobject_uevent' mangled-name='kobject_uevent' filepath='lib/kobject_uevent.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_uevent'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject_uevent.c' line='640' column='1'/>
+ <parameter type-id='7d635811' name='action' filepath='lib/kobject_uevent.c' line='640' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kobject_uevent_env' mangled-name='kobject_uevent_env' filepath='lib/kobject_uevent.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kobject_uevent_env'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='lib/kobject_uevent.c' line='457' column='1'/>
+ <parameter type-id='7d635811' name='action' filepath='lib/kobject_uevent.c' line='457' column='1'/>
+ <parameter type-id='9b23c9ad' name='envp_ext' filepath='lib/kobject_uevent.c' line='458' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='krealloc' mangled-name='krealloc' filepath='mm/slab_common.c' line='1135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='krealloc'>
+ <parameter type-id='eaa32e2f' name='p' filepath='mm/slab_common.c' line='1135' column='1'/>
+ <parameter type-id='b59d7dce' name='new_size' filepath='mm/slab_common.c' line='1135' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='mm/slab_common.c' line='1135' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='kset_create_and_add' mangled-name='kset_create_and_add' filepath='lib/kobject.c' line='1005' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kset_create_and_add'>
+ <parameter type-id='80f4b756' name='name' filepath='lib/kobject.c' line='1005' column='1'/>
+ <parameter type-id='86462700' name='uevent_ops' filepath='lib/kobject.c' line='1006' column='1'/>
+ <parameter type-id='d30bdc51' name='parent_kobj' filepath='lib/kobject.c' line='1007' column='1'/>
+ <return type-id='89b70200'/>
+ </function-decl>
+ <function-decl name='kset_find_obj' mangled-name='kset_find_obj' filepath='lib/kobject.c' line='908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kset_find_obj'>
+ <parameter type-id='89b70200' name='kset' filepath='lib/kobject.c' line='908' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='lib/kobject.c' line='908' column='1'/>
+ <return type-id='d30bdc51'/>
+ </function-decl>
+ <function-decl name='kset_unregister' mangled-name='kset_unregister' filepath='lib/kobject.c' line='890' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kset_unregister'>
+ <parameter type-id='89b70200' name='k' filepath='lib/kobject.c' line='890' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ksize' mangled-name='ksize' filepath='mm/slab_common.c' line='1189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ksize'>
+ <parameter type-id='eaa32e2f' name='objp' filepath='mm/slab_common.c' line='1189' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <var-decl name='ksoftirqd' type-id='f23e2572' mangled-name='ksoftirqd' visibility='default' filepath='kernel/softirq.c' line='60' column='1' elf-symbol-id='ksoftirqd'/>
+ <var-decl name='kstat' type-id='153750ef' mangled-name='kstat' visibility='default' filepath='kernel/sched/core.c' line='4158' column='1' elf-symbol-id='kstat'/>
+ <function-decl name='kstat_irqs_cpu' mangled-name='kstat_irqs_cpu' filepath='kernel/irq/irqdesc.c' line='972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstat_irqs_cpu'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/irqdesc.c' line='972' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/irq/irqdesc.c' line='972' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='kstat_irqs_usr' mangled-name='kstat_irqs_usr' filepath='kernel/irq/irqdesc.c' line='1021' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstat_irqs_usr'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/irqdesc.c' line='1021' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='kstrdup' mangled-name='kstrdup' filepath='mm/util.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrdup'>
+ <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='54' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='54' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='kstrdup_const' mangled-name='kstrdup_const' filepath='mm/util.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrdup_const'>
+ <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='81' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='81' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='kstrdup_quotable_cmdline' mangled-name='kstrdup_quotable_cmdline' filepath='lib/string_helpers.c' line='597' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrdup_quotable_cmdline'>
+ <parameter type-id='f23e2572' name='task' filepath='lib/string_helpers.c' line='597' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/string_helpers.c' line='597' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='kstrndup' mangled-name='kstrndup' filepath='mm/util.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrndup'>
+ <parameter type-id='80f4b756' name='s' filepath='mm/util.c' line='100' column='1'/>
+ <parameter type-id='b59d7dce' name='max' filepath='mm/util.c' line='100' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='mm/util.c' line='100' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='kstrtobool' mangled-name='kstrtobool' filepath='lib/kstrtox.c' line='335' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtobool'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='335' column='1'/>
+ <parameter type-id='d8e6b335' name='res' filepath='lib/kstrtox.c' line='335' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtobool_from_user' mangled-name='kstrtobool_from_user' filepath='lib/kstrtox.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtobool_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='377' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='377' column='1'/>
+ <parameter type-id='d8e6b335' name='res' filepath='lib/kstrtox.c' line='377' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtoint' mangled-name='kstrtoint' filepath='lib/kstrtox.c' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoint'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='251' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='251' column='1'/>
+ <parameter type-id='7292109c' name='res' filepath='lib/kstrtox.c' line='251' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtoint_from_user' mangled-name='kstrtoint_from_user' filepath='lib/kstrtox.c' line='409' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoint_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='409' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='409' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='409' column='1'/>
+ <parameter type-id='7292109c' name='res' filepath='lib/kstrtox.c' line='409' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtol_from_user' mangled-name='kstrtol_from_user' filepath='lib/kstrtox.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtol_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='407' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='407' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='407' column='1'/>
+ <parameter type-id='3ccc2590' name='res' filepath='lib/kstrtox.c' line='407' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtoll' mangled-name='kstrtoll' filepath='lib/kstrtox.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoll'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='150' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='150' column='1'/>
+ <parameter type-id='8b97c2dc' name='res' filepath='lib/kstrtox.c' line='150' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtos16' mangled-name='kstrtos16' filepath='lib/kstrtox.c' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtos16'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='281' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='281' column='1'/>
+ <parameter type-id='81ac2ac5' name='res' filepath='lib/kstrtox.c' line='281' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtos8' mangled-name='kstrtos8' filepath='lib/kstrtox.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtos8'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='311' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='311' column='1'/>
+ <parameter type-id='01b75fec' name='res' filepath='lib/kstrtox.c' line='311' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtos8_from_user' mangled-name='kstrtos8_from_user' filepath='lib/kstrtox.c' line='413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtos8_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='413' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='413' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='413' column='1'/>
+ <parameter type-id='01b75fec' name='res' filepath='lib/kstrtox.c' line='413' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtou16' mangled-name='kstrtou16' filepath='lib/kstrtox.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtou16'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='266' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='266' column='1'/>
+ <parameter type-id='26d4d46f' name='res' filepath='lib/kstrtox.c' line='266' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtou16_from_user' mangled-name='kstrtou16_from_user' filepath='lib/kstrtox.c' line='410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtou16_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='410' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='410' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='410' column='1'/>
+ <parameter type-id='26d4d46f' name='res' filepath='lib/kstrtox.c' line='410' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtou8' mangled-name='kstrtou8' filepath='lib/kstrtox.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtou8'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='296' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='296' column='1'/>
+ <parameter type-id='8bff8096' name='res' filepath='lib/kstrtox.c' line='296' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtou8_from_user' mangled-name='kstrtou8_from_user' filepath='lib/kstrtox.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtou8_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='412' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='412' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='412' column='1'/>
+ <parameter type-id='8bff8096' name='res' filepath='lib/kstrtox.c' line='412' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtouint' mangled-name='kstrtouint' filepath='lib/kstrtox.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtouint'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='221' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='221' column='1'/>
+ <parameter type-id='807869d3' name='res' filepath='lib/kstrtox.c' line='221' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtouint_from_user' mangled-name='kstrtouint_from_user' filepath='lib/kstrtox.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtouint_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='408' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='408' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='408' column='1'/>
+ <parameter type-id='807869d3' name='res' filepath='lib/kstrtox.c' line='408' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtoul_from_user' mangled-name='kstrtoul_from_user' filepath='lib/kstrtox.c' line='406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoul_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='406' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='406' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='406' column='1'/>
+ <parameter type-id='1d2c2b85' name='res' filepath='lib/kstrtox.c' line='406' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtoull' mangled-name='kstrtoull' filepath='lib/kstrtox.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoull'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='127' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/kstrtox.c' line='127' column='1'/>
+ <parameter type-id='c0190993' name='res' filepath='lib/kstrtox.c' line='127' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kstrtoull_from_user' mangled-name='kstrtoull_from_user' filepath='lib/kstrtox.c' line='404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kstrtoull_from_user'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/kstrtox.c' line='404' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/kstrtox.c' line='404' column='1'/>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='f23e2572' name='p' filepath='kernel/kthread.c' line='490' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu' filepath='kernel/kthread.c' line='490' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='f23e2572' name='p' filepath='kernel/kthread.c' line='475' column='1'/>
+ <parameter type-id='5f8a1ac4' name='mask' filepath='kernel/kthread.c' line='475' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='cfff5953'/>
+ </function-decl>
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+ <parameter type-id='d56697f1' name='dwork' filepath='kernel/kthread.c' line='1278' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kthread_cancel_work_sync' mangled-name='kthread_cancel_work_sync' filepath='kernel/kthread.c' line='1263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_cancel_work_sync'>
+ <parameter type-id='401eb95c' name='work' filepath='kernel/kthread.c' line='1263' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kthread_create_on_node' mangled-name='kthread_create_on_node' filepath='kernel/kthread.c' line='438' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_create_on_node'>
+ <parameter type-id='b9b212f5' name='threadfn' filepath='kernel/kthread.c' line='438' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/kthread.c' line='439' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='kernel/kthread.c' line='439' column='1'/>
+ <parameter type-id='80f4b756' name='namefmt' filepath='kernel/kthread.c' line='440' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='f23e2572'/>
+ </function-decl>
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+ <parameter type-id='f0981eeb' name='flags' filepath='kernel/kthread.c' line='810' column='1'/>
+ <parameter type-id='80f4b756' name='namefmt' filepath='kernel/kthread.c' line='810' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='c41f4539'/>
+ </function-decl>
+ <function-decl name='kthread_delayed_work_timer_fn' mangled-name='kthread_delayed_work_timer_fn' filepath='kernel/kthread.c' line='926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_delayed_work_timer_fn'>
+ <parameter type-id='9248e67f' name='t' filepath='kernel/kthread.c' line='926' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kthread_destroy_worker' mangled-name='kthread_destroy_worker' filepath='kernel/kthread.c' line='1311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_destroy_worker'>
+ <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1311' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='401eb95c' name='work' filepath='kernel/kthread.c' line='1042' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1291' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kthread_freezable_should_stop' mangled-name='kthread_freezable_should_stop' filepath='kernel/kthread.c' line='166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_freezable_should_stop'>
+ <parameter type-id='d8e6b335' name='was_frozen' filepath='kernel/kthread.c' line='166' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kthread_mod_delayed_work' mangled-name='kthread_mod_delayed_work' filepath='kernel/kthread.c' line='1151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_mod_delayed_work'>
+ <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1151' column='1'/>
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+ <parameter type-id='7359adad' name='delay' filepath='kernel/kthread.c' line='1153' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
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+ <parameter type-id='f23e2572' name='k' filepath='kernel/kthread.c' line='587' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kthread_queue_delayed_work' mangled-name='kthread_queue_delayed_work' filepath='kernel/kthread.c' line='1004' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_queue_delayed_work'>
+ <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='1004' column='1'/>
+ <parameter type-id='d56697f1' name='dwork' filepath='kernel/kthread.c' line='1005' column='1'/>
+ <parameter type-id='7359adad' name='delay' filepath='kernel/kthread.c' line='1006' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kthread_queue_work' mangled-name='kthread_queue_work' filepath='kernel/kthread.c' line='902' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_queue_work'>
+ <parameter type-id='c41f4539' name='worker' filepath='kernel/kthread.c' line='902' column='1'/>
+ <parameter type-id='401eb95c' name='work' filepath='kernel/kthread.c' line='903' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kthread_should_park' mangled-name='kthread_should_park' filepath='kernel/kthread.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_should_park'>
+ <return type-id='b50a4934'/>
+ </function-decl>
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+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='kthread_stop' mangled-name='kthread_stop' filepath='kernel/kthread.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_stop'>
+ <parameter type-id='f23e2572' name='k' filepath='kernel/kthread.c' line='631' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='kthread_unpark' mangled-name='kthread_unpark' filepath='kernel/kthread.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_unpark'>
+ <parameter type-id='f23e2572' name='k' filepath='kernel/kthread.c' line='556' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='df4b7819' name='mm' filepath='kernel/kthread.c' line='1365' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kthread_use_mm' mangled-name='kthread_use_mm' filepath='kernel/kthread.c' line='1330' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_use_mm'>
+ <parameter type-id='df4b7819' name='mm' filepath='kernel/kthread.c' line='1330' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kthread_worker_fn' mangled-name='kthread_worker_fn' filepath='kernel/kthread.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kthread_worker_fn'>
+ <parameter type-id='eaa32e2f' name='worker_ptr' filepath='kernel/kthread.c' line='717' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ktime_add_safe' mangled-name='ktime_add_safe' filepath='kernel/time/hrtimer.c' line='327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_add_safe'>
+ <parameter type-id='ddb8523f' name='lhs' filepath='kernel/time/hrtimer.c' line='327' column='1'/>
+ <parameter type-id='ddb8523f' name='rhs' filepath='kernel/time/hrtimer.c' line='327' column='1'/>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='ktime_get' mangled-name='ktime_get' filepath='kernel/time/timekeeping.c' line='821' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get'>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='ktime_get_coarse_real_ts64' mangled-name='ktime_get_coarse_real_ts64' filepath='kernel/time/timekeeping.c' line='2233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_coarse_real_ts64'>
+ <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='2233' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ktime_get_coarse_with_offset' mangled-name='ktime_get_coarse_with_offset' filepath='kernel/time/timekeeping.c' line='885' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_coarse_with_offset'>
+ <parameter type-id='73bb584e' name='offs' filepath='kernel/time/timekeeping.c' line='885' column='1'/>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='ktime_get_mono_fast_ns' mangled-name='ktime_get_mono_fast_ns' filepath='kernel/time/timekeeping.c' line='492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_mono_fast_ns'>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='ktime_get_raw' mangled-name='ktime_get_raw' filepath='kernel/time/timekeeping.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_raw'>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='ktime_get_raw_ts64' mangled-name='ktime_get_raw_ts64' filepath='kernel/time/timekeeping.c' line='1492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_raw_ts64'>
+ <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='1492' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ktime_get_real_seconds' mangled-name='ktime_get_real_seconds' filepath='kernel/time/timekeeping.c' line='1006' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_real_seconds'>
+ <return type-id='1afd27ac'/>
+ </function-decl>
+ <function-decl name='ktime_get_real_ts64' mangled-name='ktime_get_real_ts64' filepath='kernel/time/timekeeping.c' line='800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_real_ts64'>
+ <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='800' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ktime_get_seconds' mangled-name='ktime_get_seconds' filepath='kernel/time/timekeeping.c' line='986' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_seconds'>
+ <return type-id='1afd27ac'/>
+ </function-decl>
+ <function-decl name='ktime_get_snapshot' mangled-name='ktime_get_snapshot' filepath='kernel/time/timekeeping.c' line='1041' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_snapshot'>
+ <parameter type-id='9e33b18d' name='systime_snapshot' filepath='kernel/time/timekeeping.c' line='1041' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ktime_get_ts64' mangled-name='ktime_get_ts64' filepath='kernel/time/timekeeping.c' line='954' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_ts64'>
+ <parameter type-id='4151733d' name='ts' filepath='kernel/time/timekeeping.c' line='954' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ktime_get_with_offset' mangled-name='ktime_get_with_offset' filepath='kernel/time/timekeeping.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ktime_get_with_offset'>
+ <parameter type-id='73bb584e' name='offs' filepath='kernel/time/timekeeping.c' line='864' column='1'/>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='kvasprintf' mangled-name='kvasprintf' filepath='lib/kasprintf.c' line='15' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvasprintf'>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/kasprintf.c' line='15' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/kasprintf.c' line='15' column='1'/>
+ <parameter type-id='2aee9912' name='ap' filepath='lib/kasprintf.c' line='15' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='kvfree' mangled-name='kvfree' filepath='mm/util.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvfree'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='mm/util.c' line='608' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kvfree_call_rcu' mangled-name='kvfree_call_rcu' filepath='kernel/rcu/tree.c' line='3465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvfree_call_rcu'>
+ <parameter type-id='69c138b1' name='head' filepath='kernel/rcu/tree.c' line='3465' column='1'/>
+ <parameter type-id='4edd56e3' name='func' filepath='kernel/rcu/tree.c' line='3465' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='kvmalloc_node' mangled-name='kvmalloc_node' filepath='mm/util.c' line='554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='kvmalloc_node'>
+ <parameter type-id='b59d7dce' name='size' filepath='mm/util.c' line='554' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='mm/util.c' line='554' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='mm/util.c' line='554' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='led_classdev_flash_register_ext' mangled-name='led_classdev_flash_register_ext' filepath='drivers/leds/led-class-flash.c' line='285' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_flash_register_ext'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/leds/led-class-flash.c' line='285' column='1'/>
+ <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='286' column='1'/>
+ <parameter type-id='eebb8ee8' name='init_data' filepath='drivers/leds/led-class-flash.c' line='287' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_classdev_flash_unregister' mangled-name='led_classdev_flash_unregister' filepath='drivers/leds/led-class-flash.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_flash_unregister'>
+ <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='321' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_classdev_register_ext' mangled-name='led_classdev_register_ext' filepath='drivers/leds/led-class.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_register_ext'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/leds/led-class.c' line='336' column='1'/>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-class.c' line='337' column='1'/>
+ <parameter type-id='eebb8ee8' name='init_data' filepath='drivers/leds/led-class.c' line='338' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_classdev_unregister' mangled-name='led_classdev_unregister' filepath='drivers/leds/led-class.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_classdev_unregister'>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-class.c' line='431' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_get_flash_fault' mangled-name='led_get_flash_fault' filepath='drivers/leds/led-class-flash.c' line='406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_get_flash_fault'>
+ <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='406' column='1'/>
+ <parameter type-id='f9409001' name='fault' filepath='drivers/leds/led-class-flash.c' line='406' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_set_brightness_nosleep' mangled-name='led_set_brightness_nosleep' filepath='drivers/leds/led-core.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_set_brightness_nosleep'>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-core.c' line='284' column='1'/>
+ <parameter type-id='fa598f35' name='value' filepath='drivers/leds/led-core.c' line='285' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_set_brightness_sync' mangled-name='led_set_brightness_sync' filepath='drivers/leds/led-core.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_set_brightness_sync'>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-core.c' line='296' column='1'/>
+ <parameter type-id='fa598f35' name='value' filepath='drivers/leds/led-core.c' line='297' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_set_flash_brightness' mangled-name='led_set_flash_brightness' filepath='drivers/leds/led-class-flash.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_set_flash_brightness'>
+ <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='412' column='1'/>
+ <parameter type-id='19c2251e' name='brightness' filepath='drivers/leds/led-class-flash.c' line='413' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_set_flash_timeout' mangled-name='led_set_flash_timeout' filepath='drivers/leds/led-class-flash.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_set_flash_timeout'>
+ <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='391' column='1'/>
+ <parameter type-id='19c2251e' name='timeout' filepath='drivers/leds/led-class-flash.c' line='391' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_sysfs_disable' mangled-name='led_sysfs_disable' filepath='drivers/leds/led-core.c' line='353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_sysfs_disable'>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-core.c' line='353' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_sysfs_enable' mangled-name='led_sysfs_enable' filepath='drivers/leds/led-core.c' line='362' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_sysfs_enable'>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-core.c' line='362' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_trigger_event' mangled-name='led_trigger_event' filepath='drivers/leds/led-triggers.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_event'>
+ <parameter type-id='db6d90a1' name='trig' filepath='drivers/leds/led-triggers.c' line='377' column='1'/>
+ <parameter type-id='fa598f35' name='brightness' filepath='drivers/leds/led-triggers.c' line='378' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_trigger_register' mangled-name='led_trigger_register' filepath='drivers/leds/led-triggers.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_register'>
+ <parameter type-id='db6d90a1' name='trig' filepath='drivers/leds/led-triggers.c' line='283' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_trigger_register_simple' mangled-name='led_trigger_register_simple' filepath='drivers/leds/led-triggers.c' line='433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_register_simple'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/leds/led-triggers.c' line='433' column='1'/>
+ <parameter type-id='f87a8ad1' name='tp' filepath='drivers/leds/led-triggers.c' line='433' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_trigger_remove' mangled-name='led_trigger_remove' filepath='drivers/leds/led-triggers.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_remove'>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-triggers.c' line='238' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_trigger_unregister' mangled-name='led_trigger_unregister' filepath='drivers/leds/led-triggers.c' line='323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_unregister'>
+ <parameter type-id='db6d90a1' name='trig' filepath='drivers/leds/led-triggers.c' line='323' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_trigger_unregister_simple' mangled-name='led_trigger_unregister_simple' filepath='drivers/leds/led-triggers.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_trigger_unregister_simple'>
+ <parameter type-id='db6d90a1' name='trig' filepath='drivers/leds/led-triggers.c' line='457' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='led_update_brightness' mangled-name='led_update_brightness' filepath='drivers/leds/led-core.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_update_brightness'>
+ <parameter type-id='bd1c8eb6' name='led_cdev' filepath='drivers/leds/led-core.c' line='311' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='led_update_flash_brightness' mangled-name='led_update_flash_brightness' filepath='drivers/leds/led-class-flash.c' line='428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='led_update_flash_brightness'>
+ <parameter type-id='26deddb9' name='fled_cdev' filepath='drivers/leds/led-class-flash.c' line='428' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='list_sort' mangled-name='list_sort' filepath='lib/list_sort.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='list_sort'>
+ <parameter type-id='eaa32e2f' name='priv' filepath='lib/list_sort.c' line='188' column='1'/>
+ <parameter type-id='e84b031a' name='head' filepath='lib/list_sort.c' line='188' column='1'/>
+ <parameter type-id='120d5729' name='cmp' filepath='lib/list_sort.c' line='189' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='llist_add_batch' mangled-name='llist_add_batch' filepath='lib/llist.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='llist_add_batch'>
+ <parameter type-id='023b769e' name='new_first' filepath='lib/llist.c' line='26' column='1'/>
+ <parameter type-id='023b769e' name='new_last' filepath='lib/llist.c' line='26' column='1'/>
+ <parameter type-id='b0222d74' name='head' filepath='lib/llist.c' line='27' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='llist_reverse_order' mangled-name='llist_reverse_order' filepath='lib/llist.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='llist_reverse_order'>
+ <parameter type-id='023b769e' name='head' filepath='lib/llist.c' line='79' column='1'/>
+ <return type-id='023b769e'/>
+ </function-decl>
+ <function-decl name='lock_sock_nested' mangled-name='lock_sock_nested' filepath='net/core/sock.c' line='3068' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lock_sock_nested'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='3068' column='1'/>
+ <parameter type-id='95e97e5e' name='subclass' filepath='net/core/sock.c' line='3068' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='lockref_get' mangled-name='lockref_get' filepath='lib/lockref.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lockref_get'>
+ <parameter type-id='5bfdb453' name='lockref' filepath='lib/lockref.c' line='44' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='log_abnormal_wakeup_reason' mangled-name='log_abnormal_wakeup_reason' filepath='kernel/power/wakeup_reason.c' line='249' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='log_abnormal_wakeup_reason'>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/power/wakeup_reason.c' line='249' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='log_buf_addr_get' mangled-name='log_buf_addr_get' filepath='kernel/printk/printk.c' line='459' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='log_buf_addr_get'>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='log_buf_len_get' mangled-name='log_buf_len_get' filepath='kernel/printk/printk.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='log_buf_len_get'>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='log_threaded_irq_wakeup_reason' mangled-name='log_threaded_irq_wakeup_reason' filepath='kernel/power/wakeup_reason.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='log_threaded_irq_wakeup_reason'>
+ <parameter type-id='95e97e5e' name='irq' filepath='kernel/power/wakeup_reason.c' line='173' column='1'/>
+ <parameter type-id='95e97e5e' name='parent_irq' filepath='kernel/power/wakeup_reason.c' line='173' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='logfc' mangled-name='logfc' filepath='fs/fs_context.c' line='362' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='logfc'>
+ <parameter type-id='d1a78aeb' name='log' filepath='fs/fs_context.c' line='362' column='1'/>
+ <parameter type-id='80f4b756' name='prefix' filepath='fs/fs_context.c' line='362' column='1'/>
+ <parameter type-id='a84c031d' name='level' filepath='fs/fs_context.c' line='362' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='fs/fs_context.c' line='362' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='lookup_bdev' mangled-name='lookup_bdev' filepath='fs/block_dev.c' line='2088' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lookup_bdev'>
+ <parameter type-id='80f4b756' name='pathname' filepath='fs/block_dev.c' line='2088' column='1'/>
+ <return type-id='b88dd945'/>
+ </function-decl>
+ <function-decl name='lookup_page_ext' mangled-name='lookup_page_ext' filepath='mm/page_ext.c' line='194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lookup_page_ext'>
+ <parameter type-id='b72f2447' name='page' filepath='mm/page_ext.c' line='194' column='1'/>
+ <return type-id='459ae684'/>
+ </function-decl>
+ <var-decl name='loops_per_jiffy' type-id='7359adad' mangled-name='loops_per_jiffy' visibility='default' filepath='init/main.c' line='231' column='1' elf-symbol-id='loops_per_jiffy'/>
+ <function-decl name='lru_cache_disable' mangled-name='lru_cache_disable' filepath='mm/swap.c' line='966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lru_cache_disable'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='lru_cache_enable' mangled-name='lru_cache_enable' filepath='mm/swap.c' line='952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lru_cache_enable'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='lzo1x_1_compress' mangled-name='lzo1x_1_compress' filepath='lib/lzo/lzo1x_compress.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzo1x_1_compress'>
+ <parameter type-id='354f7eb9' name='in' filepath='lib/lzo/lzo1x_compress.c' line='381' column='1'/>
+ <parameter type-id='b59d7dce' name='in_len' filepath='lib/lzo/lzo1x_compress.c' line='381' column='1'/>
+ <parameter type-id='cf536864' name='out' filepath='lib/lzo/lzo1x_compress.c' line='382' column='1'/>
+ <parameter type-id='78c01427' name='out_len' filepath='lib/lzo/lzo1x_compress.c' line='382' column='1'/>
+ <parameter type-id='eaa32e2f' name='wrkmem' filepath='lib/lzo/lzo1x_compress.c' line='383' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='lzo1x_decompress_safe' mangled-name='lzo1x_decompress_safe' filepath='lib/lzo/lzo1x_decompress_safe.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzo1x_decompress_safe'>
+ <parameter type-id='354f7eb9' name='in' filepath='lib/lzo/lzo1x_decompress_safe.c' line='39' column='1'/>
+ <parameter type-id='b59d7dce' name='in_len' filepath='lib/lzo/lzo1x_decompress_safe.c' line='39' column='1'/>
+ <parameter type-id='cf536864' name='out' filepath='lib/lzo/lzo1x_decompress_safe.c' line='40' column='1'/>
+ <parameter type-id='78c01427' name='out_len' filepath='lib/lzo/lzo1x_decompress_safe.c' line='40' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='lzorle1x_1_compress' mangled-name='lzorle1x_1_compress' filepath='lib/lzo/lzo1x_compress.c' line='388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='lzorle1x_1_compress'>
+ <parameter type-id='354f7eb9' name='in' filepath='lib/lzo/lzo1x_compress.c' line='388' column='1'/>
+ <parameter type-id='b59d7dce' name='in_len' filepath='lib/lzo/lzo1x_compress.c' line='388' column='1'/>
+ <parameter type-id='cf536864' name='out' filepath='lib/lzo/lzo1x_compress.c' line='389' column='1'/>
+ <parameter type-id='78c01427' name='out_len' filepath='lib/lzo/lzo1x_compress.c' line='389' column='1'/>
+ <parameter type-id='eaa32e2f' name='wrkmem' filepath='lib/lzo/lzo1x_compress.c' line='390' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mac_pton' mangled-name='mac_pton' filepath='lib/net_utils.c' line='7' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mac_pton'>
+ <parameter type-id='80f4b756' name='s' filepath='lib/net_utils.c' line='7' column='1'/>
+ <parameter type-id='8bff8096' name='mac' filepath='lib/net_utils.c' line='7' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='map_kernel_range' mangled-name='map_kernel_range' filepath='mm/vmalloc.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='map_kernel_range'>
+ <parameter type-id='7359adad' name='start' filepath='mm/vmalloc.c' line='321' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='321' column='1'/>
+ <parameter type-id='2e2dcbd3' name='prot' filepath='mm/vmalloc.c' line='321' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/vmalloc.c' line='322' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='match_hex' mangled-name='match_hex' filepath='lib/parser.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='match_hex'>
+ <parameter type-id='4d03589b' name='s' filepath='lib/parser.c' line='232' column='1'/>
+ <parameter type-id='7292109c' name='result' filepath='lib/parser.c' line='232' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='match_int' mangled-name='match_int' filepath='lib/parser.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='match_int'>
+ <parameter type-id='4d03589b' name='s' filepath='lib/parser.c' line='185' column='1'/>
+ <parameter type-id='7292109c' name='result' filepath='lib/parser.c' line='185' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='match_string' mangled-name='match_string' filepath='lib/string.c' line='737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='match_string'>
+ <parameter type-id='13956559' name='array' filepath='lib/string.c' line='737' column='1'/>
+ <parameter type-id='b59d7dce' name='n' filepath='lib/string.c' line='737' column='1'/>
+ <parameter type-id='80f4b756' name='string' filepath='lib/string.c' line='737' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='match_token' mangled-name='match_token' filepath='lib/parser.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='match_token'>
+ <parameter type-id='26a90f95' name='s' filepath='lib/parser.c' line='105' column='1'/>
+ <parameter type-id='a58c17e3' name='table' filepath='lib/parser.c' line='105' column='1'/>
+ <parameter type-id='4d03589b' name='args' filepath='lib/parser.c' line='105' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mbox_chan_received_data' mangled-name='mbox_chan_received_data' filepath='drivers/mailbox/mailbox.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_chan_received_data'>
+ <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='152' column='1'/>
+ <parameter type-id='eaa32e2f' name='mssg' filepath='drivers/mailbox/mailbox.c' line='152' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mbox_chan_txdone' mangled-name='mbox_chan_txdone' filepath='drivers/mailbox/mailbox.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_chan_txdone'>
+ <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='170' column='1'/>
+ <parameter type-id='95e97e5e' name='r' filepath='drivers/mailbox/mailbox.c' line='170' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mbox_client_txdone' mangled-name='mbox_client_txdone' filepath='drivers/mailbox/mailbox.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_client_txdone'>
+ <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='191' column='1'/>
+ <parameter type-id='95e97e5e' name='r' filepath='drivers/mailbox/mailbox.c' line='191' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mbox_controller_register' mangled-name='mbox_controller_register' filepath='drivers/mailbox/mailbox.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_controller_register'>
+ <parameter type-id='fb648468' name='mbox' filepath='drivers/mailbox/mailbox.c' line='478' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mbox_controller_unregister' mangled-name='mbox_controller_unregister' filepath='drivers/mailbox/mailbox.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_controller_unregister'>
+ <parameter type-id='fb648468' name='mbox' filepath='drivers/mailbox/mailbox.c' line='529' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mbox_free_channel' mangled-name='mbox_free_channel' filepath='drivers/mailbox/mailbox.c' line='438' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_free_channel'>
+ <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='438' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mbox_request_channel' mangled-name='mbox_request_channel' filepath='drivers/mailbox/mailbox.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_request_channel'>
+ <parameter type-id='aeae13b9' name='cl' filepath='drivers/mailbox/mailbox.c' line='331' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/mailbox/mailbox.c' line='331' column='1'/>
+ <return type-id='339c87e8'/>
+ </function-decl>
+ <function-decl name='mbox_request_channel_byname' mangled-name='mbox_request_channel_byname' filepath='drivers/mailbox/mailbox.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_request_channel_byname'>
+ <parameter type-id='aeae13b9' name='cl' filepath='drivers/mailbox/mailbox.c' line='402' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/mailbox/mailbox.c' line='403' column='1'/>
+ <return type-id='339c87e8'/>
+ </function-decl>
+ <function-decl name='mbox_send_message' mangled-name='mbox_send_message' filepath='drivers/mailbox/mailbox.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mbox_send_message'>
+ <parameter type-id='339c87e8' name='chan' filepath='drivers/mailbox/mailbox.c' line='250' column='1'/>
+ <parameter type-id='eaa32e2f' name='mssg' filepath='drivers/mailbox/mailbox.c' line='250' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mctrl_gpio_disable_ms' mangled-name='mctrl_gpio_disable_ms' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mctrl_gpio_disable_ms'>
+ <parameter type-id='967c9384' name='gpios' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='281' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mctrl_gpio_enable_ms' mangled-name='mctrl_gpio_enable_ms' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mctrl_gpio_enable_ms'>
+ <parameter type-id='967c9384' name='gpios' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='256' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mctrl_gpio_get' mangled-name='mctrl_gpio_get' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='76' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mctrl_gpio_get'>
+ <parameter type-id='967c9384' name='gpios' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='76' column='1'/>
+ <parameter type-id='807869d3' name='mctrl' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='76' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='mctrl_gpio_init' mangled-name='mctrl_gpio_init' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mctrl_gpio_init'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='192' column='1'/>
+ <parameter type-id='f0981eeb' name='idx' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='192' column='1'/>
+ <return type-id='967c9384'/>
+ </function-decl>
+ <function-decl name='mctrl_gpio_set' mangled-name='mctrl_gpio_set' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mctrl_gpio_set'>
+ <parameter type-id='967c9384' name='gpios' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='45' column='1'/>
+ <parameter type-id='f0981eeb' name='mctrl' filepath='drivers/tty/serial/serial_mctrl_gpio.c' line='45' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mdio_device_reset' mangled-name='mdio_device_reset' filepath='drivers/net/phy/mdio_device.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdio_device_reset'>
+ <parameter type-id='efa21d3b' name='mdiodev' filepath='drivers/net/phy/mdio_device.c' line='116' column='1'/>
+ <parameter type-id='95e97e5e' name='value' filepath='drivers/net/phy/mdio_device.c' line='116' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mdiobus_alloc_size' mangled-name='mdiobus_alloc_size' filepath='drivers/net/phy/mdio_bus.c' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_alloc_size'>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/net/phy/mdio_bus.c' line='137' column='1'/>
+ <return type-id='ff47b24b'/>
+ </function-decl>
+ <function-decl name='mdiobus_free' mangled-name='mdiobus_free' filepath='drivers/net/phy/mdio_bus.c' line='650' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_free'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='650' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mdiobus_get_phy' mangled-name='mdiobus_get_phy' filepath='drivers/net/phy/mdio_bus.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_get_phy'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='109' column='1'/>
+ <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='109' column='1'/>
+ <return type-id='7efbcaaf'/>
+ </function-decl>
+ <function-decl name='mdiobus_is_registered_device' mangled-name='mdiobus_is_registered_device' filepath='drivers/net/phy/mdio_bus.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_is_registered_device'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='123' column='1'/>
+ <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='123' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='mdiobus_read' mangled-name='mdiobus_read' filepath='drivers/net/phy/mdio_bus.c' line='854' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_read'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='854' column='1'/>
+ <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='854' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='854' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mdiobus_unregister' mangled-name='mdiobus_unregister' filepath='drivers/net/phy/mdio_bus.c' line='613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_unregister'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='613' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mdiobus_write' mangled-name='mdiobus_write' filepath='drivers/net/phy/mdio_bus.c' line='903' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mdiobus_write'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/mdio_bus.c' line='903' column='1'/>
+ <parameter type-id='95e97e5e' name='addr' filepath='drivers/net/phy/mdio_bus.c' line='903' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/mdio_bus.c' line='903' column='1'/>
+ <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/mdio_bus.c' line='903' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='media_create_intf_link' mangled-name='media_create_intf_link' filepath='drivers/media/mc/mc-entity.c' line='967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_create_intf_link'>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='967' column='1'/>
+ <parameter type-id='afe1ccd7' name='intf' filepath='drivers/media/mc/mc-entity.c' line='968' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='969' column='1'/>
+ <return type-id='b4de78ea'/>
+ </function-decl>
+ <function-decl name='media_create_pad_link' mangled-name='media_create_pad_link' filepath='drivers/media/mc/mc-entity.c' line='659' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_create_pad_link'>
+ <parameter type-id='19e05b5f' name='source' filepath='drivers/media/mc/mc-entity.c' line='659' column='1'/>
+ <parameter type-id='1dc6a898' name='source_pad' filepath='drivers/media/mc/mc-entity.c' line='659' column='1'/>
+ <parameter type-id='19e05b5f' name='sink' filepath='drivers/media/mc/mc-entity.c' line='660' column='1'/>
+ <parameter type-id='1dc6a898' name='sink_pad' filepath='drivers/media/mc/mc-entity.c' line='660' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='660' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='media_device_cleanup' mangled-name='media_device_cleanup' filepath='drivers/media/mc/mc-device.c' line='728' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_cleanup'>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='728' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_device_init' mangled-name='media_device_init' filepath='drivers/media/mc/mc-device.c' line='710' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_init'>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='710' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_device_register_entity' mangled-name='media_device_register_entity' filepath='drivers/media/mc/mc-device.c' line='622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_register_entity'>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='622' column='1'/>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-device.c' line='623' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='media_device_unregister' mangled-name='media_device_unregister' filepath='drivers/media/mc/mc-device.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_device_unregister'>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-device.c' line='807' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_devnode_create' mangled-name='media_devnode_create' filepath='drivers/media/mc/mc-entity.c' line='939' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_devnode_create'>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-entity.c' line='939' column='1'/>
+ <parameter type-id='19c2251e' name='type' filepath='drivers/media/mc/mc-entity.c' line='940' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='940' column='1'/>
+ <parameter type-id='19c2251e' name='major' filepath='drivers/media/mc/mc-entity.c' line='941' column='1'/>
+ <parameter type-id='19c2251e' name='minor' filepath='drivers/media/mc/mc-entity.c' line='941' column='1'/>
+ <return type-id='8114c6c9'/>
+ </function-decl>
+ <function-decl name='media_devnode_remove' mangled-name='media_devnode_remove' filepath='drivers/media/mc/mc-entity.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_devnode_remove'>
+ <parameter type-id='8114c6c9' name='devnode' filepath='drivers/media/mc/mc-entity.c' line='959' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_entity_pads_init' mangled-name='media_entity_pads_init' filepath='drivers/media/mc/mc-entity.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_entity_pads_init'>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='197' column='1'/>
+ <parameter type-id='1dc6a898' name='num_pads' filepath='drivers/media/mc/mc-entity.c' line='197' column='1'/>
+ <parameter type-id='50a51839' name='pads' filepath='drivers/media/mc/mc-entity.c' line='198' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='media_entity_remote_pad' mangled-name='media_entity_remote_pad' filepath='drivers/media/mc/mc-entity.c' line='905' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_entity_remote_pad'>
+ <parameter type-id='42a2b4e8' name='pad' filepath='drivers/media/mc/mc-entity.c' line='905' column='1'/>
+ <return type-id='50a51839'/>
+ </function-decl>
+ <function-decl name='media_entity_remove_links' mangled-name='media_entity_remove_links' filepath='drivers/media/mc/mc-entity.c' line='792' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_entity_remove_links'>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='792' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_entity_setup_link' mangled-name='media_entity_setup_link' filepath='drivers/media/mc/mc-entity.c' line='876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_entity_setup_link'>
+ <parameter type-id='b4de78ea' name='link' filepath='drivers/media/mc/mc-entity.c' line='876' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/media/mc/mc-entity.c' line='876' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='media_graph_walk_cleanup' mangled-name='media_graph_walk_cleanup' filepath='drivers/media/mc/mc-entity.c' line='288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_cleanup'>
+ <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='288' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_graph_walk_init' mangled-name='media_graph_walk_init' filepath='drivers/media/mc/mc-entity.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_init'>
+ <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='278' column='1'/>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-entity.c' line='278' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='media_graph_walk_next' mangled-name='media_graph_walk_next' filepath='drivers/media/mc/mc-entity.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_next'>
+ <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='345' column='1'/>
+ <return type-id='19e05b5f'/>
+ </function-decl>
+ <function-decl name='media_graph_walk_start' mangled-name='media_graph_walk_start' filepath='drivers/media/mc/mc-entity.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_graph_walk_start'>
+ <parameter type-id='375e0126' name='graph' filepath='drivers/media/mc/mc-entity.c' line='294' column='1'/>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='295' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_pipeline_start' mangled-name='media_pipeline_start' filepath='drivers/media/mc/mc-entity.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_pipeline_start'>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='532' column='1'/>
+ <parameter type-id='4ffae8c8' name='pipe' filepath='drivers/media/mc/mc-entity.c' line='533' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='media_pipeline_stop' mangled-name='media_pipeline_stop' filepath='drivers/media/mc/mc-entity.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_pipeline_stop'>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/mc/mc-entity.c' line='574' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_request_get_by_fd' mangled-name='media_request_get_by_fd' filepath='drivers/media/mc/mc-request.c' line='247' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_request_get_by_fd'>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/mc/mc-request.c' line='247' column='1'/>
+ <parameter type-id='95e97e5e' name='request_fd' filepath='drivers/media/mc/mc-request.c' line='247' column='1'/>
+ <return type-id='ac429605'/>
+ </function-decl>
+ <function-decl name='media_request_object_complete' mangled-name='media_request_object_complete' filepath='drivers/media/mc/mc-request.c' line='482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_request_object_complete'>
+ <parameter type-id='347d8ccd' name='obj' filepath='drivers/media/mc/mc-request.c' line='482' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='media_request_put' mangled-name='media_request_put' filepath='drivers/media/mc/mc-request.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='media_request_put'>
+ <parameter type-id='ac429605' name='req' filepath='drivers/media/mc/mc-request.c' line='79' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mem_cgroup_from_id' mangled-name='mem_cgroup_from_id' filepath='mm/memcontrol.c' line='5182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mem_cgroup_from_id'>
+ <parameter type-id='8efea9e5' name='id' filepath='mm/memcontrol.c' line='5182' column='1'/>
+ <return type-id='223696fb'/>
+ </function-decl>
+ <function-decl name='memblock_end_of_DRAM' mangled-name='memblock_end_of_DRAM' filepath='mm/memblock.c' line='1623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memblock_end_of_DRAM'>
+ <return type-id='2522883d'/>
+ </function-decl>
+ <function-decl name='memblock_free' mangled-name='memblock_free' filepath='mm/memblock.c' line='799' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memblock_free'>
+ <parameter type-id='2522883d' name='base' filepath='mm/memblock.c' line='799' column='1'/>
+ <parameter type-id='2522883d' name='size' filepath='mm/memblock.c' line='799' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='memcg_kmem_enabled_key' type-id='237c0d27' mangled-name='memcg_kmem_enabled_key' visibility='default' filepath='mm/memcontrol.c' line='394' column='1' elf-symbol-id='memcg_kmem_enabled_key'/>
+ <function-decl name='memchr_inv' mangled-name='memchr_inv' filepath='lib/string.c' line='1087' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memchr_inv'>
+ <parameter type-id='eaa32e2f' name='start' filepath='lib/string.c' line='1087' column='1'/>
+ <parameter type-id='95e97e5e' name='c' filepath='lib/string.c' line='1087' column='1'/>
+ <parameter type-id='b59d7dce' name='bytes' filepath='lib/string.c' line='1087' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='memdup_user' mangled-name='memdup_user' filepath='mm/util.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memdup_user'>
+ <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='172' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='172' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='memdup_user_nul' mangled-name='memdup_user_nul' filepath='mm/util.c' line='254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memdup_user_nul'>
+ <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='254' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='254' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='memory_block_size_bytes' mangled-name='memory_block_size_bytes' filepath='drivers/base/memory.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memory_block_size_bytes'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <var-decl name='memory_cgrp_subsys' type-id='1d115fd5' mangled-name='memory_cgrp_subsys' visibility='default' filepath='mm/memcontrol.c' line='6570' column='1' elf-symbol-id='memory_cgrp_subsys'/>
+ <var-decl name='memory_cgrp_subsys_enabled_key' type-id='49a0ad34' mangled-name='memory_cgrp_subsys_enabled_key' visibility='default' filepath='include/linux/cgroup_subsys.h' line='29' column='1' elf-symbol-id='memory_cgrp_subsys_enabled_key'/>
+ <function-decl name='memory_read_from_buffer' mangled-name='memory_read_from_buffer' filepath='fs/libfs.c' line='787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memory_read_from_buffer'>
+ <parameter type-id='eaa32e2f' name='to' filepath='fs/libfs.c' line='787' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='fs/libfs.c' line='787' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='787' column='1'/>
+ <parameter type-id='eaa32e2f' name='from' filepath='fs/libfs.c' line='788' column='1'/>
+ <parameter type-id='b59d7dce' name='available' filepath='fs/libfs.c' line='788' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='memparse' mangled-name='memparse' filepath='lib/cmdline.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memparse'>
+ <parameter type-id='80f4b756' name='ptr' filepath='lib/cmdline.c' line='125' column='1'/>
+ <parameter type-id='9b23c9ad' name='retptr' filepath='lib/cmdline.c' line='125' column='1'/>
+ <return type-id='3a47d82b'/>
+ </function-decl>
+ <function-decl name='mempool_alloc' mangled-name='mempool_alloc' filepath='mm/mempool.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_alloc'>
+ <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='375' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='375' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='mempool_alloc_pages' mangled-name='mempool_alloc_pages' filepath='mm/mempool.c' line='545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_alloc_pages'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='545' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='545' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='mempool_alloc_slab' mangled-name='mempool_alloc_slab' filepath='mm/mempool.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_alloc_slab'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='509' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='509' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='mempool_create' mangled-name='mempool_create' filepath='mm/mempool.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_create'>
+ <parameter type-id='95e97e5e' name='min_nr' filepath='mm/mempool.c' line='253' column='1'/>
+ <parameter type-id='8bf6d789' name='alloc_fn' filepath='mm/mempool.c' line='253' column='1'/>
+ <parameter type-id='a4c19f22' name='free_fn' filepath='mm/mempool.c' line='254' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='254' column='1'/>
+ <return type-id='78713e8f'/>
+ </function-decl>
+ <function-decl name='mempool_create_node' mangled-name='mempool_create_node' filepath='mm/mempool.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_create_node'>
+ <parameter type-id='95e97e5e' name='min_nr' filepath='mm/mempool.c' line='261' column='1'/>
+ <parameter type-id='8bf6d789' name='alloc_fn' filepath='mm/mempool.c' line='261' column='1'/>
+ <parameter type-id='a4c19f22' name='free_fn' filepath='mm/mempool.c' line='262' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='262' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='263' column='1'/>
+ <parameter type-id='95e97e5e' name='node_id' filepath='mm/mempool.c' line='263' column='1'/>
+ <return type-id='78713e8f'/>
+ </function-decl>
+ <function-decl name='mempool_destroy' mangled-name='mempool_destroy' filepath='mm/mempool.c' line='170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_destroy'>
+ <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='170' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mempool_exit' mangled-name='mempool_exit' filepath='mm/mempool.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_exit'>
+ <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='151' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mempool_free' mangled-name='mempool_free' filepath='mm/mempool.c' line='452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_free'>
+ <parameter type-id='eaa32e2f' name='element' filepath='mm/mempool.c' line='452' column='1'/>
+ <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='452' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mempool_free_pages' mangled-name='mempool_free_pages' filepath='mm/mempool.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_free_pages'>
+ <parameter type-id='eaa32e2f' name='element' filepath='mm/mempool.c' line='552' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='552' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mempool_free_slab' mangled-name='mempool_free_slab' filepath='mm/mempool.c' line='517' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_free_slab'>
+ <parameter type-id='eaa32e2f' name='element' filepath='mm/mempool.c' line='517' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='517' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mempool_init' mangled-name='mempool_init' filepath='mm/mempool.c' line='228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_init'>
+ <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='228' column='1'/>
+ <parameter type-id='95e97e5e' name='min_nr' filepath='mm/mempool.c' line='228' column='1'/>
+ <parameter type-id='8bf6d789' name='alloc_fn' filepath='mm/mempool.c' line='228' column='1'/>
+ <parameter type-id='a4c19f22' name='free_fn' filepath='mm/mempool.c' line='229' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='229' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mempool_kfree' mangled-name='mempool_kfree' filepath='mm/mempool.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_kfree'>
+ <parameter type-id='eaa32e2f' name='element' filepath='mm/mempool.c' line='535' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='535' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mempool_kmalloc' mangled-name='mempool_kmalloc' filepath='mm/mempool.c' line='528' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_kmalloc'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/mempool.c' line='528' column='1'/>
+ <parameter type-id='eaa32e2f' name='pool_data' filepath='mm/mempool.c' line='528' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='mempool_resize' mangled-name='mempool_resize' filepath='mm/mempool.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mempool_resize'>
+ <parameter type-id='78713e8f' name='pool' filepath='mm/mempool.c' line='299' column='1'/>
+ <parameter type-id='95e97e5e' name='new_min_nr' filepath='mm/mempool.c' line='299' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='memremap' mangled-name='memremap' filepath='kernel/iomem.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memremap'>
+ <parameter type-id='acc63fdf' name='offset' filepath='kernel/iomem.c' line='71' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='kernel/iomem.c' line='71' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/iomem.c' line='71' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='memset64' mangled-name='memset64' filepath='lib/string.c' line='863' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memset64'>
+ <parameter type-id='5d6479ae' name='s' filepath='lib/string.c' line='863' column='1'/>
+ <parameter type-id='9c313c2d' name='v' filepath='lib/string.c' line='863' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='lib/string.c' line='863' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <var-decl name='memstart_addr' type-id='9b7c55ef' mangled-name='memstart_addr' visibility='default' filepath='arch/arm64/mm/init.c' line='53' column='1' elf-symbol-id='memstart_addr'/>
+ <function-decl name='memunmap' mangled-name='memunmap' filepath='kernel/iomem.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='memunmap'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='kernel/iomem.c' line='122' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mfd_add_devices' mangled-name='mfd_add_devices' filepath='drivers/mfd/mfd-core.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mfd_add_devices'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/mfd/mfd-core.c' line='334' column='1'/>
+ <parameter type-id='95e97e5e' name='id' filepath='drivers/mfd/mfd-core.c' line='334' column='1'/>
+ <parameter type-id='1447e860' name='cells' filepath='drivers/mfd/mfd-core.c' line='335' column='1'/>
+ <parameter type-id='95e97e5e' name='n_devs' filepath='drivers/mfd/mfd-core.c' line='335' column='1'/>
+ <parameter type-id='c9d64c0d' name='mem_base' filepath='drivers/mfd/mfd-core.c' line='336' column='1'/>
+ <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/mfd/mfd-core.c' line='337' column='1'/>
+ <parameter type-id='7544e824' name='domain' filepath='drivers/mfd/mfd-core.c' line='337' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mfd_remove_devices' mangled-name='mfd_remove_devices' filepath='drivers/mfd/mfd-core.c' line='389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mfd_remove_devices'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/mfd/mfd-core.c' line='389' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='migrate_pages' mangled-name='migrate_pages' filepath='mm/migrate.c' line='1391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='migrate_pages'>
+ <parameter type-id='e84b031a' name='from' filepath='mm/migrate.c' line='1391' column='1'/>
+ <parameter type-id='355404d0' name='get_new_page' filepath='mm/migrate.c' line='1391' column='1'/>
+ <parameter type-id='7d2f2ada' name='put_new_page' filepath='mm/migrate.c' line='1392' column='1'/>
+ <parameter type-id='7359adad' name='private' filepath='mm/migrate.c' line='1392' column='1'/>
+ <parameter type-id='157252dd' name='mode' filepath='mm/migrate.c' line='1393' column='1'/>
+ <parameter type-id='95e97e5e' name='reason' filepath='mm/migrate.c' line='1393' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='migrate_swap' mangled-name='migrate_swap' filepath='kernel/sched/core.c' line='2283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='migrate_swap'>
+ <parameter type-id='f23e2572' name='cur' filepath='kernel/sched/core.c' line='2283' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='2283' column='1'/>
+ <parameter type-id='95e97e5e' name='target_cpu' filepath='kernel/sched/core.c' line='2284' column='1'/>
+ <parameter type-id='95e97e5e' name='curr_cpu' filepath='kernel/sched/core.c' line='2284' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mii_check_media' mangled-name='mii_check_media' filepath='drivers/net/mii.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_check_media'>
+ <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='504' column='1'/>
+ <parameter type-id='f0981eeb' name='ok_to_print' filepath='drivers/net/mii.c' line='505' column='1'/>
+ <parameter type-id='f0981eeb' name='init_media' filepath='drivers/net/mii.c' line='506' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='mii_ethtool_get_link_ksettings' mangled-name='mii_ethtool_get_link_ksettings' filepath='drivers/net/mii.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_ethtool_get_link_ksettings'>
+ <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='145' column='1'/>
+ <parameter type-id='70de91e2' name='cmd' filepath='drivers/net/mii.c' line='146' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mii_ethtool_gset' mangled-name='mii_ethtool_gset' filepath='drivers/net/mii.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_ethtool_gset'>
+ <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='55' column='1'/>
+ <parameter type-id='d064f511' name='ecmd' filepath='drivers/net/mii.c' line='55' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mii_ethtool_set_link_ksettings' mangled-name='mii_ethtool_set_link_ksettings' filepath='drivers/net/mii.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_ethtool_set_link_ksettings'>
+ <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='329' column='1'/>
+ <parameter type-id='b2c34f11' name='cmd' filepath='drivers/net/mii.c' line='330' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mii_link_ok' mangled-name='mii_link_ok' filepath='drivers/net/mii.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_link_ok'>
+ <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='444' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mii_nway_restart' mangled-name='mii_nway_restart' filepath='drivers/net/mii.c' line='459' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mii_nway_restart'>
+ <parameter type-id='f0150b1d' name='mii' filepath='drivers/net/mii.c' line='459' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_attach' mangled-name='mipi_dsi_attach' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_attach'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='322' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_compression_mode' mangled-name='mipi_dsi_compression_mode' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_compression_mode'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='562' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='562' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_create_packet' mangled-name='mipi_dsi_create_packet' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_create_packet'>
+ <parameter type-id='368a0122' name='packet' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='442' column='1'/>
+ <parameter type-id='001b67aa' name='msg' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='443' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_enter_sleep_mode' mangled-name='mipi_dsi_dcs_enter_sleep_mode' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='895' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_enter_sleep_mode'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='895' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_exit_sleep_mode' mangled-name='mipi_dsi_dcs_exit_sleep_mode' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='914' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_exit_sleep_mode'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='914' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_get_display_brightness' mangled-name='mipi_dsi_dcs_get_display_brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_get_display_brightness'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1128' column='1'/>
+ <parameter type-id='26d4d46f' name='brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1129' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_read' mangled-name='mipi_dsi_dcs_read' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='786' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_read'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='786' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='786' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='786' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='787' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_column_address' mangled-name='mipi_dsi_dcs_set_column_address' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='973' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_column_address'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='973' column='1'/>
+ <parameter type-id='1dc6a898' name='start' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='973' column='1'/>
+ <parameter type-id='1dc6a898' name='end' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='974' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_display_brightness' mangled-name='mipi_dsi_dcs_set_display_brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_display_brightness'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1105' column='1'/>
+ <parameter type-id='1dc6a898' name='brightness' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1106' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_display_off' mangled-name='mipi_dsi_dcs_set_display_off' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_display_off'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='933' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_display_on' mangled-name='mipi_dsi_dcs_set_display_on' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_display_on'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='952' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_page_address' mangled-name='mipi_dsi_dcs_set_page_address' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='997' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_page_address'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='997' column='1'/>
+ <parameter type-id='1dc6a898' name='start' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='997' column='1'/>
+ <parameter type-id='1dc6a898' name='end' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='998' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_pixel_format' mangled-name='mipi_dsi_dcs_set_pixel_format' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1062' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_pixel_format'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1062' column='1'/>
+ <parameter type-id='f9b06939' name='format' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1062' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_tear_off' mangled-name='mipi_dsi_dcs_set_tear_off' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1019' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_tear_off'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1019' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_tear_on' mangled-name='mipi_dsi_dcs_set_tear_on' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1039' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_tear_on'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1039' column='1'/>
+ <parameter type-id='fab62dae' name='mode' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1040' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_set_tear_scanline' mangled-name='mipi_dsi_dcs_set_tear_scanline' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1083' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_set_tear_scanline'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1083' column='1'/>
+ <parameter type-id='1dc6a898' name='scanline' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1083' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_soft_reset' mangled-name='mipi_dsi_dcs_soft_reset' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='826' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_soft_reset'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='826' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_write' mangled-name='mipi_dsi_dcs_write' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_write'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='746' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='746' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='747' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='747' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_dcs_write_buffer' mangled-name='mipi_dsi_dcs_write_buffer' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_dcs_write_buffer'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='703' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='704' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='704' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_detach' mangled-name='mipi_dsi_detach' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_detach'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='337' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_device_register_full' mangled-name='mipi_dsi_device_register_full' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='201' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_device_register_full'>
+ <parameter type-id='c149fe34' name='host' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='201' column='1'/>
+ <parameter type-id='4b2c3420' name='info' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='202' column='1'/>
+ <return type-id='182be7cc'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_device_unregister' mangled-name='mipi_dsi_device_unregister' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_device_unregister'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='243' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_driver_register_full' mangled-name='mipi_dsi_driver_register_full' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_driver_register_full'>
+ <parameter type-id='0588e2f0' name='drv' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1177' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1178' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_driver_unregister' mangled-name='mipi_dsi_driver_unregister' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_driver_unregister'>
+ <parameter type-id='0588e2f0' name='drv' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='1200' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_generic_read' mangled-name='mipi_dsi_generic_read' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='659' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_generic_read'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='659' column='1'/>
+ <parameter type-id='eaa32e2f' name='params' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='659' column='1'/>
+ <parameter type-id='b59d7dce' name='num_params' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='660' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='660' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='660' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_generic_write' mangled-name='mipi_dsi_generic_write' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_generic_write'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='614' column='1'/>
+ <parameter type-id='eaa32e2f' name='payload' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='614' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='615' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_host_register' mangled-name='mipi_dsi_host_register' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_host_register'>
+ <parameter type-id='c149fe34' name='host' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='280' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_host_unregister' mangled-name='mipi_dsi_host_unregister' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_host_unregister'>
+ <parameter type-id='c149fe34' name='host' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='308' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_packet_format_is_long' mangled-name='mipi_dsi_packet_format_is_long' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_packet_format_is_long'>
+ <parameter type-id='f9b06939' name='type' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='408' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='mipi_dsi_picture_parameter_set' mangled-name='mipi_dsi_picture_parameter_set' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mipi_dsi_picture_parameter_set'>
+ <parameter type-id='182be7cc' name='dsi' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='587' column='1'/>
+ <parameter type-id='2b4a193c' name='pps' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='588' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='misc_deregister' mangled-name='misc_deregister' filepath='drivers/char/misc.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='misc_deregister'>
+ <parameter type-id='c63257f7' name='misc' filepath='drivers/char/misc.c' line='239' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='misc_register' mangled-name='misc_register' filepath='drivers/char/misc.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='misc_register'>
+ <parameter type-id='c63257f7' name='misc' filepath='drivers/char/misc.c' line='173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mktime64' mangled-name='mktime64' filepath='kernel/time/time.c' line='431' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mktime64'>
+ <parameter type-id='20f5f452' name='year0' filepath='kernel/time/time.c' line='431' column='1'/>
+ <parameter type-id='20f5f452' name='mon0' filepath='kernel/time/time.c' line='431' column='1'/>
+ <parameter type-id='20f5f452' name='day' filepath='kernel/time/time.c' line='432' column='1'/>
+ <parameter type-id='20f5f452' name='hour' filepath='kernel/time/time.c' line='432' column='1'/>
+ <parameter type-id='20f5f452' name='min' filepath='kernel/time/time.c' line='433' column='1'/>
+ <parameter type-id='20f5f452' name='sec' filepath='kernel/time/time.c' line='433' column='1'/>
+ <return type-id='1afd27ac'/>
+ </function-decl>
+ <function-decl name='mm_trace_rss_stat' mangled-name='mm_trace_rss_stat' filepath='mm/memory.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mm_trace_rss_stat'>
+ <parameter type-id='df4b7819' name='mm' filepath='mm/memory.c' line='182' column='1'/>
+ <parameter type-id='95e97e5e' name='member' filepath='mm/memory.c' line='182' column='1'/>
+ <parameter type-id='bd54fe1a' name='count' filepath='mm/memory.c' line='182' column='1'/>
+ <parameter type-id='bd54fe1a' name='value' filepath='mm/memory.c' line='183' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_add_host' mangled-name='mmc_add_host' filepath='drivers/mmc/core/host.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_add_host'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='516' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_alloc_host' mangled-name='mmc_alloc_host' filepath='drivers/mmc/core/host.c' line='439' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_alloc_host'>
+ <parameter type-id='95e97e5e' name='extra' filepath='drivers/mmc/core/host.c' line='439' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/mmc/core/host.c' line='439' column='1'/>
+ <return type-id='dd575c43'/>
+ </function-decl>
+ <function-decl name='mmc_app_cmd' mangled-name='mmc_app_cmd' filepath='drivers/mmc/core/sd_ops.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_app_cmd'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/sd_ops.c' line='21' column='1'/>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/sd_ops.c' line='21' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_calc_max_discard' mangled-name='mmc_calc_max_discard' filepath='drivers/mmc/core/core.c' line='2017' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_calc_max_discard'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='2017' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='mmc_can_erase' mangled-name='mmc_can_erase' filepath='drivers/mmc/core/core.c' line='1881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_erase'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1881' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_can_gpio_cd' mangled-name='mmc_can_gpio_cd' filepath='drivers/mmc/core/slot-gpio.c' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_gpio_cd'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='208' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='mmc_can_secure_erase_trim' mangled-name='mmc_can_secure_erase_trim' filepath='drivers/mmc/core/core.c' line='1919' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_secure_erase_trim'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1919' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_can_trim' mangled-name='mmc_can_trim' filepath='drivers/mmc/core/core.c' line='1889' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_can_trim'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1889' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_cmdq_disable' mangled-name='mmc_cmdq_disable' filepath='drivers/mmc/core/mmc_ops.c' line='1026' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cmdq_disable'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='1026' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_cmdq_enable' mangled-name='mmc_cmdq_enable' filepath='drivers/mmc/core/mmc_ops.c' line='1020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cmdq_enable'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='1020' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_cqe_post_req' mangled-name='mmc_cqe_post_req' filepath='drivers/mmc/core/core.c' line='516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_post_req'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='516' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='516' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_cqe_recovery' mangled-name='mmc_cqe_recovery' filepath='drivers/mmc/core/core.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_recovery'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='535' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_cqe_request_done' mangled-name='mmc_cqe_request_done' filepath='drivers/mmc/core/core.c' line='482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_request_done'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='482' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='482' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_cqe_start_req' mangled-name='mmc_cqe_start_req' filepath='drivers/mmc/core/core.c' line='432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_cqe_start_req'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='432' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='432' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_crypto_prepare_req' mangled-name='mmc_crypto_prepare_req' filepath='drivers/mmc/core/crypto.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_crypto_prepare_req'>
+ <parameter type-id='8a025557' name='mqrq' filepath='drivers/mmc/core/crypto.c' line='29' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_crypto_setup_queue' mangled-name='mmc_crypto_setup_queue' filepath='drivers/mmc/core/crypto.c' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_crypto_setup_queue'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='drivers/mmc/core/crypto.c' line='22' column='1'/>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/crypto.c' line='22' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_detect_card_removed' mangled-name='mmc_detect_card_removed' filepath='drivers/mmc/core/core.c' line='2208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_detect_card_removed'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='2208' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_detect_change' mangled-name='mmc_detect_change' filepath='drivers/mmc/core/core.c' line='1488' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_detect_change'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='1488' column='1'/>
+ <parameter type-id='7359adad' name='delay' filepath='drivers/mmc/core/core.c' line='1488' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_erase' mangled-name='mmc_erase' filepath='drivers/mmc/core/core.c' line='1821' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_erase'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1821' column='1'/>
+ <parameter type-id='f0981eeb' name='from' filepath='drivers/mmc/core/core.c' line='1821' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='drivers/mmc/core/core.c' line='1821' column='1'/>
+ <parameter type-id='f0981eeb' name='arg' filepath='drivers/mmc/core/core.c' line='1822' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_erase_group_aligned' mangled-name='mmc_erase_group_aligned' filepath='drivers/mmc/core/core.c' line='1928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_erase_group_aligned'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='1928' column='1'/>
+ <parameter type-id='f0981eeb' name='from' filepath='drivers/mmc/core/core.c' line='1928' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='drivers/mmc/core/core.c' line='1929' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_flush_cache' mangled-name='mmc_flush_cache' filepath='drivers/mmc/core/mmc_ops.c' line='987' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_flush_cache'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='987' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_free_host' mangled-name='mmc_free_host' filepath='drivers/mmc/core/host.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_free_host'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='568' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_get_card' mangled-name='mmc_get_card' filepath='drivers/mmc/core/core.c' line='857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_get_card'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='857' column='1'/>
+ <parameter type-id='f1e196e0' name='ctx' filepath='drivers/mmc/core/core.c' line='857' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_get_ext_csd' mangled-name='mmc_get_ext_csd' filepath='drivers/mmc/core/mmc_ops.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_get_ext_csd'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='358' column='1'/>
+ <parameter type-id='1f37a7f4' name='new_ext_csd' filepath='drivers/mmc/core/mmc_ops.c' line='358' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_gpio_get_cd' mangled-name='mmc_gpio_get_cd' filepath='drivers/mmc/core/slot-gpio.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpio_get_cd'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='80' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_gpio_get_ro' mangled-name='mmc_gpio_get_ro' filepath='drivers/mmc/core/slot-gpio.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpio_get_ro'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='69' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_gpio_set_cd_wake' mangled-name='mmc_gpio_set_cd_wake' filepath='drivers/mmc/core/slot-gpio.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpio_set_cd_wake'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='129' column='1'/>
+ <parameter type-id='b50a4934' name='on' filepath='drivers/mmc/core/slot-gpio.c' line='129' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_gpiod_request_cd' mangled-name='mmc_gpiod_request_cd' filepath='drivers/mmc/core/slot-gpio.c' line='176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpiod_request_cd'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='176' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/mmc/core/slot-gpio.c' line='176' column='1'/>
+ <parameter type-id='f0981eeb' name='idx' filepath='drivers/mmc/core/slot-gpio.c' line='177' column='1'/>
+ <parameter type-id='b50a4934' name='override_active_level' filepath='drivers/mmc/core/slot-gpio.c' line='177' column='1'/>
+ <parameter type-id='f0981eeb' name='debounce' filepath='drivers/mmc/core/slot-gpio.c' line='178' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_gpiod_request_cd_irq' mangled-name='mmc_gpiod_request_cd_irq' filepath='drivers/mmc/core/slot-gpio.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpiod_request_cd_irq'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='95' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_gpiod_request_ro' mangled-name='mmc_gpiod_request_ro' filepath='drivers/mmc/core/slot-gpio.c' line='225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_gpiod_request_ro'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/slot-gpio.c' line='225' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/mmc/core/slot-gpio.c' line='225' column='1'/>
+ <parameter type-id='f0981eeb' name='idx' filepath='drivers/mmc/core/slot-gpio.c' line='226' column='1'/>
+ <parameter type-id='f0981eeb' name='debounce' filepath='drivers/mmc/core/slot-gpio.c' line='226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_hs200_tuning' mangled-name='mmc_hs200_tuning' filepath='drivers/mmc/core/mmc.c' line='1543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_hs200_tuning'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc.c' line='1543' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_hw_reset' mangled-name='mmc_hw_reset' filepath='drivers/mmc/core/core.c' line='2085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_hw_reset'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='2085' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_issue_type' mangled-name='mmc_issue_type' filepath='drivers/mmc/core/queue.c' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_issue_type'>
+ <parameter type-id='49b40d32' name='mq' filepath='drivers/mmc/core/queue.c' line='62' column='1'/>
+ <parameter type-id='3dad1a48' name='req' filepath='drivers/mmc/core/queue.c' line='62' column='1'/>
+ <return type-id='013ef24c'/>
+ </function-decl>
+ <function-decl name='mmc_of_parse' mangled-name='mmc_of_parse' filepath='drivers/mmc/core/host.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_of_parse'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_of_parse_voltage' mangled-name='mmc_of_parse_voltage' filepath='drivers/mmc/core/host.c' line='383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_of_parse_voltage'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/mmc/core/host.c' line='383' column='1'/>
+ <parameter type-id='f9409001' name='mask' filepath='drivers/mmc/core/host.c' line='383' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_put_card' mangled-name='mmc_put_card' filepath='drivers/mmc/core/core.c' line='868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_put_card'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/core.c' line='868' column='1'/>
+ <parameter type-id='f1e196e0' name='ctx' filepath='drivers/mmc/core/core.c' line='868' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_pwrseq_register' mangled-name='mmc_pwrseq_register' filepath='drivers/mmc/core/pwrseq.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_pwrseq_register'>
+ <parameter type-id='0d786921' name='pwrseq' filepath='drivers/mmc/core/pwrseq.c' line='96' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_pwrseq_unregister' mangled-name='mmc_pwrseq_unregister' filepath='drivers/mmc/core/pwrseq.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_pwrseq_unregister'>
+ <parameter type-id='0d786921' name='pwrseq' filepath='drivers/mmc/core/pwrseq.c' line='109' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_register_driver' mangled-name='mmc_register_driver' filepath='drivers/mmc/core/bus.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_register_driver'>
+ <parameter type-id='a46f3b5b' name='drv' filepath='drivers/mmc/core/bus.c' line='253' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_regulator_get_supply' mangled-name='mmc_regulator_get_supply' filepath='drivers/mmc/core/regulator.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_regulator_get_supply'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/core/regulator.c' line='245' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_regulator_set_ocr' mangled-name='mmc_regulator_set_ocr' filepath='drivers/mmc/core/regulator.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_regulator_set_ocr'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/core/regulator.c' line='106' column='1'/>
+ <parameter type-id='850c13f6' name='supply' filepath='drivers/mmc/core/regulator.c' line='107' column='1'/>
+ <parameter type-id='8efea9e5' name='vdd_bit' filepath='drivers/mmc/core/regulator.c' line='108' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_regulator_set_vqmmc' mangled-name='mmc_regulator_set_vqmmc' filepath='drivers/mmc/core/regulator.c' line='179' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_regulator_set_vqmmc'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/core/regulator.c' line='179' column='1'/>
+ <parameter type-id='3b590e48' name='ios' filepath='drivers/mmc/core/regulator.c' line='179' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_release_host' mangled-name='mmc_release_host' filepath='drivers/mmc/core/core.c' line='828' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_release_host'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='828' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_remove_host' mangled-name='mmc_remove_host' filepath='drivers/mmc/core/host.c' line='547' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_remove_host'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='547' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_request_done' mangled-name='mmc_request_done' filepath='drivers/mmc/core/core.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_request_done'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='139' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='139' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_retune_pause' mangled-name='mmc_retune_pause' filepath='drivers/mmc/core/host.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_retune_pause'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='111' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_retune_release' mangled-name='mmc_retune_release' filepath='drivers/mmc/core/host.c' line='152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_retune_release'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='152' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_retune_timer_stop' mangled-name='mmc_retune_timer_stop' filepath='drivers/mmc/core/host.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_retune_timer_stop'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='139' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_retune_unpause' mangled-name='mmc_retune_unpause' filepath='drivers/mmc/core/host.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_retune_unpause'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/host.c' line='121' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_run_bkops' mangled-name='mmc_run_bkops' filepath='drivers/mmc/core/mmc_ops.c' line='949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_run_bkops'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='949' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_sanitize' mangled-name='mmc_sanitize' filepath='drivers/mmc/core/mmc_ops.c' line='1032' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_sanitize'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='1032' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_select_bus_width' mangled-name='mmc_select_bus_width' filepath='drivers/mmc/core/mmc.c' line='995' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_select_bus_width'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc.c' line='995' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_select_hs' mangled-name='mmc_select_hs' filepath='drivers/mmc/core/mmc.c' line='1065' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_select_hs'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc.c' line='1065' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_select_hs400' mangled-name='mmc_select_hs400' filepath='drivers/mmc/core/mmc.c' line='1155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_select_hs400'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc.c' line='1155' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_select_hs_ddr' mangled-name='mmc_select_hs_ddr' filepath='drivers/mmc/core/mmc.c' line='1084' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_select_hs_ddr'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc.c' line='1084' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_select_timing' mangled-name='mmc_select_timing' filepath='drivers/mmc/core/mmc.c' line='1512' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_select_timing'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc.c' line='1512' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_send_status' mangled-name='mmc_send_status' filepath='drivers/mmc/core/mmc_ops.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_send_status'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='80' column='1'/>
+ <parameter type-id='f9409001' name='status' filepath='drivers/mmc/core/mmc_ops.c' line='80' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_send_tuning' mangled-name='mmc_send_tuning' filepath='drivers/mmc/core/mmc_ops.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_send_tuning'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/mmc_ops.c' line='640' column='1'/>
+ <parameter type-id='19c2251e' name='opcode' filepath='drivers/mmc/core/mmc_ops.c' line='640' column='1'/>
+ <parameter type-id='7292109c' name='cmd_error' filepath='drivers/mmc/core/mmc_ops.c' line='640' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_set_clock' mangled-name='mmc_set_clock' filepath='drivers/mmc/core/core.c' line='910' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_set_clock'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='910' column='1'/>
+ <parameter type-id='f0981eeb' name='hz' filepath='drivers/mmc/core/core.c' line='910' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_set_data_timeout' mangled-name='mmc_set_data_timeout' filepath='drivers/mmc/core/core.c' line='649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_set_data_timeout'>
+ <parameter type-id='6de64ec1' name='data' filepath='drivers/mmc/core/core.c' line='649' column='1'/>
+ <parameter type-id='652034a8' name='card' filepath='drivers/mmc/core/core.c' line='649' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_set_initial_state' mangled-name='mmc_set_initial_state' filepath='drivers/mmc/core/core.c' line='974' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_set_initial_state'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='974' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_set_timing' mangled-name='mmc_set_timing' filepath='drivers/mmc/core/core.c' line='1262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_set_timing'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='1262' column='1'/>
+ <parameter type-id='f0981eeb' name='timing' filepath='drivers/mmc/core/core.c' line='1262' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_start_request' mangled-name='mmc_start_request' filepath='drivers/mmc/core/core.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_start_request'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='336' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='336' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_switch' mangled-name='mmc_switch' filepath='drivers/mmc/core/mmc_ops.c' line='632' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_switch'>
+ <parameter type-id='13d38dcb' name='card' filepath='drivers/mmc/core/mmc_ops.c' line='632' column='1'/>
+ <parameter type-id='f9b06939' name='set' filepath='drivers/mmc/core/mmc_ops.c' line='632' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/mmc/core/mmc_ops.c' line='632' column='1'/>
+ <parameter type-id='f9b06939' name='value' filepath='drivers/mmc/core/mmc_ops.c' line='632' column='1'/>
+ <parameter type-id='f0981eeb' name='timeout_ms' filepath='drivers/mmc/core/mmc_ops.c' line='633' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_unregister_driver' mangled-name='mmc_unregister_driver' filepath='drivers/mmc/core/bus.c' line='265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_unregister_driver'>
+ <parameter type-id='a46f3b5b' name='drv' filepath='drivers/mmc/core/bus.c' line='265' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmc_wait_for_cmd' mangled-name='mmc_wait_for_cmd' filepath='drivers/mmc/core/core.c' line='622' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_wait_for_cmd'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='622' column='1'/>
+ <parameter type-id='6df3750c' name='cmd' filepath='drivers/mmc/core/core.c' line='622' column='1'/>
+ <parameter type-id='95e97e5e' name='retries' filepath='drivers/mmc/core/core.c' line='622' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmc_wait_for_req' mangled-name='mmc_wait_for_req' filepath='drivers/mmc/core/core.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmc_wait_for_req'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/core.c' line='603' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/core/core.c' line='603' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmput' mangled-name='mmput' filepath='kernel/fork.c' line='1146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmput'>
+ <parameter type-id='df4b7819' name='mm' filepath='kernel/fork.c' line='1146' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmu_interval_notifier_insert' mangled-name='mmu_interval_notifier_insert' filepath='mm/mmu_notifier.c' line='1002' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmu_interval_notifier_insert'>
+ <parameter type-id='4bf7c965' name='interval_sub' filepath='mm/mmu_notifier.c' line='1002' column='1'/>
+ <parameter type-id='df4b7819' name='mm' filepath='mm/mmu_notifier.c' line='1003' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='mm/mmu_notifier.c' line='1003' column='1'/>
+ <parameter type-id='7359adad' name='length' filepath='mm/mmu_notifier.c' line='1004' column='1'/>
+ <parameter type-id='b8ae29f5' name='ops' filepath='mm/mmu_notifier.c' line='1005' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mmu_interval_notifier_remove' mangled-name='mmu_interval_notifier_remove' filepath='mm/mmu_notifier.c' line='1056' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmu_interval_notifier_remove'>
+ <parameter type-id='4bf7c965' name='interval_sub' filepath='mm/mmu_notifier.c' line='1056' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mmu_interval_read_begin' mangled-name='mmu_interval_read_begin' filepath='mm/mmu_notifier.c' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmu_interval_read_begin'>
+ <parameter type-id='4bf7c965' name='interval_sub' filepath='mm/mmu_notifier.c' line='186' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='mmu_notifier_synchronize' mangled-name='mmu_notifier_synchronize' filepath='mm/mmu_notifier.c' line='1113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mmu_notifier_synchronize'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mod_delayed_work_on' mangled-name='mod_delayed_work_on' filepath='kernel/workqueue.c' line='1723' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mod_delayed_work_on'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/workqueue.c' line='1723' column='1'/>
+ <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='1723' column='1'/>
+ <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='1724' column='1'/>
+ <parameter type-id='7359adad' name='delay' filepath='kernel/workqueue.c' line='1724' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='mod_node_page_state' mangled-name='mod_node_page_state' filepath='mm/vmstat.c' line='589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mod_node_page_state'>
+ <parameter type-id='c876a7a5' name='pgdat' filepath='mm/vmstat.c' line='589' column='1'/>
+ <parameter type-id='93f9c3d3' name='item' filepath='mm/vmstat.c' line='589' column='1'/>
+ <parameter type-id='bd54fe1a' name='delta' filepath='mm/vmstat.c' line='590' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mod_timer' mangled-name='mod_timer' filepath='kernel/time/timer.c' line='1112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mod_timer'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1112' column='1'/>
+ <parameter type-id='7359adad' name='expires' filepath='kernel/time/timer.c' line='1112' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mod_timer_pending' mangled-name='mod_timer_pending' filepath='kernel/time/timer.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mod_timer_pending'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1086' column='1'/>
+ <parameter type-id='7359adad' name='expires' filepath='kernel/time/timer.c' line='1086' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='module_layout' mangled-name='module_layout' filepath='kernel/module.c' line='4815' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='module_layout'>
+ <parameter type-id='2730d015' name='mod' filepath='kernel/module.c' line='4815' column='1'/>
+ <parameter type-id='3a498c74' name='ver' filepath='kernel/module.c' line='4816' column='1'/>
+ <parameter type-id='a7c6e908' name='kp' filepath='kernel/module.c' line='4817' column='1'/>
+ <parameter type-id='eefd7061' name='ks' filepath='kernel/module.c' line='4818' column='1'/>
+ <parameter type-id='e525e121' name='tp' filepath='kernel/module.c' line='4819' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='module_put' mangled-name='module_put' filepath='kernel/module.c' line='1158' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='module_put'>
+ <parameter type-id='2730d015' name='module' filepath='kernel/module.c' line='1158' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='msleep' mangled-name='msleep' filepath='kernel/time/timer.c' line='2030' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='msleep'>
+ <parameter type-id='f0981eeb' name='msecs' filepath='kernel/time/timer.c' line='2030' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='msleep_interruptible' mangled-name='msleep_interruptible' filepath='kernel/time/timer.c' line='2044' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='msleep_interruptible'>
+ <parameter type-id='f0981eeb' name='msecs' filepath='kernel/time/timer.c' line='2044' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='mutex_is_locked' mangled-name='mutex_is_locked' filepath='kernel/locking/mutex.c' line='85' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_is_locked'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='85' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='mutex_lock' mangled-name='mutex_lock' filepath='kernel/locking/mutex.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_lock'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='294' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='mutex_lock_interruptible' mangled-name='mutex_lock_interruptible' filepath='kernel/locking/mutex.c' line='1321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_lock_interruptible'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='1321' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mutex_lock_killable' mangled-name='mutex_lock_killable' filepath='kernel/locking/mutex.c' line='1345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_lock_killable'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='1345' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mutex_trylock' mangled-name='mutex_trylock' filepath='kernel/locking/mutex.c' line='1425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_trylock'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='1425' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='mutex_trylock_recursive' mangled-name='mutex_trylock_recursive' filepath='kernel/locking/mutex.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_trylock_recursive'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='92' column='1'/>
+ <return type-id='9a6ea243'/>
+ </function-decl>
+ <function-decl name='mutex_unlock' mangled-name='mutex_unlock' filepath='kernel/locking/mutex.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='mutex_unlock'>
+ <parameter type-id='e0ea832a' name='lock' filepath='kernel/locking/mutex.c' line='749' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='n_tty_ioctl_helper' mangled-name='n_tty_ioctl_helper' filepath='drivers/tty/tty_ioctl.c' line='837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='n_tty_ioctl_helper'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_ioctl.c' line='837' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/tty/tty_ioctl.c' line='837' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/tty/tty_ioctl.c' line='838' column='1'/>
+ <parameter type-id='7359adad' name='arg' filepath='drivers/tty/tty_ioctl.c' line='838' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='name_to_dev_t' mangled-name='name_to_dev_t' filepath='init/do_mounts.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='name_to_dev_t'>
+ <parameter type-id='80f4b756' name='name' filepath='init/do_mounts.c' line='222' column='1'/>
+ <return type-id='8504f260'/>
+ </function-decl>
+ <var-decl name='names_cachep' type-id='f3b4aca8' mangled-name='names_cachep' visibility='default' filepath='fs/dcache.c' line='3211' column='1' elf-symbol-id='names_cachep'/>
+ <function-decl name='napi_complete_done' mangled-name='napi_complete_done' filepath='net/core/dev.c' line='6479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_complete_done'>
+ <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6479' column='1'/>
+ <parameter type-id='95e97e5e' name='work_done' filepath='net/core/dev.c' line='6479' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='napi_consume_skb' mangled-name='napi_consume_skb' filepath='net/core/skbuff.c' line='909' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_consume_skb'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='909' column='1'/>
+ <parameter type-id='95e97e5e' name='budget' filepath='net/core/skbuff.c' line='909' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='napi_disable' mangled-name='napi_disable' filepath='net/core/dev.c' line='6766' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_disable'>
+ <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6766' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='napi_gro_flush' mangled-name='napi_gro_flush' filepath='net/core/dev.c' line='5842' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_gro_flush'>
+ <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='5842' column='1'/>
+ <parameter type-id='b50a4934' name='flush_old' filepath='net/core/dev.c' line='5842' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='napi_gro_receive' mangled-name='napi_gro_receive' filepath='net/core/dev.c' line='6143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_gro_receive'>
+ <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='6143' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='6143' column='1'/>
+ <return type-id='dc1b1685'/>
+ </function-decl>
+ <function-decl name='napi_schedule_prep' mangled-name='napi_schedule_prep' filepath='net/core/dev.c' line='6436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='napi_schedule_prep'>
+ <parameter type-id='c50361c5' name='n' filepath='net/core/dev.c' line='6436' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <var-decl name='nd_tbl' type-id='aebe1cff' mangled-name='nd_tbl' visibility='default' filepath='net/ipv6/ndisc.c' line='109' column='1' elf-symbol-id='nd_tbl'/>
+ <function-decl name='neigh_destroy' mangled-name='neigh_destroy' filepath='net/core/neighbour.c' line='835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='neigh_destroy'>
+ <parameter type-id='3c330066' name='neigh' filepath='net/core/neighbour.c' line='835' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='neigh_lookup' mangled-name='neigh_lookup' filepath='net/core/neighbour.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='neigh_lookup'>
+ <parameter type-id='6bbe39a7' name='tbl' filepath='net/core/neighbour.c' line='529' column='1'/>
+ <parameter type-id='eaa32e2f' name='pkey' filepath='net/core/neighbour.c' line='529' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/neighbour.c' line='530' column='1'/>
+ <return type-id='3c330066'/>
+ </function-decl>
+ <function-decl name='neigh_resolve_output' mangled-name='neigh_resolve_output' filepath='net/core/neighbour.c' line='1483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='neigh_resolve_output'>
+ <parameter type-id='3c330066' name='neigh' filepath='net/core/neighbour.c' line='1483' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/neighbour.c' line='1483' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='neigh_xmit' mangled-name='neigh_xmit' filepath='net/core/neighbour.c' line='3000' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='neigh_xmit'>
+ <parameter type-id='95e97e5e' name='index' filepath='net/core/neighbour.c' line='3000' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/neighbour.c' line='3000' column='1'/>
+ <parameter type-id='eaa32e2f' name='addr' filepath='net/core/neighbour.c' line='3001' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/neighbour.c' line='3001' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='net_namespace_list' type-id='72f469ec' mangled-name='net_namespace_list' visibility='default' filepath='net/core/net_namespace.c' line='36' column='1' elf-symbol-id='net_namespace_list'/>
+ <var-decl name='net_ns_type_operations' type-id='a4a37730' mangled-name='net_ns_type_operations' visibility='default' filepath='net/core/net-sysfs.c' line='1839' column='1' elf-symbol-id='net_ns_type_operations'/>
+ <function-decl name='net_ratelimit' mangled-name='net_ratelimit' filepath='net/core/utils.c' line='38' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='net_ratelimit'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netdev_alert' mangled-name='netdev_alert' filepath='net/core/dev.c' line='11133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_alert'>
+ <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11133' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11133' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_alloc_frag' mangled-name='netdev_alloc_frag' filepath='net/core/skbuff.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_alloc_frag'>
+ <parameter type-id='f0981eeb' name='fragsz' filepath='net/core/skbuff.c' line='400' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='netdev_change_features' mangled-name='netdev_change_features' filepath='net/core/dev.c' line='9848' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_change_features'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9848' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_err' mangled-name='netdev_err' filepath='net/core/dev.c' line='11135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_err'>
+ <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11135' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11135' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_increment_features' mangled-name='netdev_increment_features' filepath='net/core/dev.c' line='10999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_increment_features'>
+ <parameter type-id='f9f4b16f' name='all' filepath='net/core/dev.c' line='10999' column='1'/>
+ <parameter type-id='f9f4b16f' name='one' filepath='net/core/dev.c' line='11000' column='1'/>
+ <parameter type-id='f9f4b16f' name='mask' filepath='net/core/dev.c' line='11000' column='1'/>
+ <return type-id='f9f4b16f'/>
+ </function-decl>
+ <function-decl name='netdev_info' mangled-name='netdev_info' filepath='net/core/dev.c' line='11138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_info'>
+ <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11138' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11138' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_lower_state_changed' mangled-name='netdev_lower_state_changed' filepath='net/core/dev.c' line='8233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_lower_state_changed'>
+ <parameter type-id='68a2d05b' name='lower_dev' filepath='net/core/dev.c' line='8233' column='1'/>
+ <parameter type-id='eaa32e2f' name='lower_state_info' filepath='net/core/dev.c' line='8234' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_master_upper_dev_link' mangled-name='netdev_master_upper_dev_link' filepath='net/core/dev.c' line='7928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_master_upper_dev_link'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='7928' column='1'/>
+ <parameter type-id='68a2d05b' name='upper_dev' filepath='net/core/dev.c' line='7929' column='1'/>
+ <parameter type-id='eaa32e2f' name='upper_priv' filepath='net/core/dev.c' line='7930' column='1'/>
+ <parameter type-id='eaa32e2f' name='upper_info' filepath='net/core/dev.c' line='7930' column='1'/>
+ <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='7931' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netdev_notify_peers' mangled-name='netdev_notify_peers' filepath='net/core/dev.c' line='1501' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_notify_peers'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1501' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_pick_tx' mangled-name='netdev_pick_tx' filepath='net/core/dev.c' line='4011' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_pick_tx'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='4011' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4011' column='1'/>
+ <parameter type-id='68a2d05b' name='sb_dev' filepath='net/core/dev.c' line='4012' column='1'/>
+ <return type-id='1dc6a898'/>
+ </function-decl>
+ <function-decl name='netdev_rx_handler_register' mangled-name='netdev_rx_handler_register' filepath='net/core/dev.c' line='5069' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_rx_handler_register'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='5069' column='1'/>
+ <parameter type-id='da1cb816' name='rx_handler' filepath='net/core/dev.c' line='5070' column='1'/>
+ <parameter type-id='eaa32e2f' name='rx_handler_data' filepath='net/core/dev.c' line='5071' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netdev_rx_handler_unregister' mangled-name='netdev_rx_handler_unregister' filepath='net/core/dev.c' line='5095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_rx_handler_unregister'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='5095' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_set_default_ethtool_ops' mangled-name='netdev_set_default_ethtool_ops' filepath='net/core/dev.c' line='10526' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_set_default_ethtool_ops'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10526' column='1'/>
+ <parameter type-id='bdf901f8' name='ops' filepath='net/core/dev.c' line='10527' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_state_change' mangled-name='netdev_state_change' filepath='net/core/dev.c' line='1477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_state_change'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='1477' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_update_features' mangled-name='netdev_update_features' filepath='net/core/dev.c' line='9831' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_update_features'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9831' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_upper_dev_link' mangled-name='netdev_upper_dev_link' filepath='net/core/dev.c' line='7900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_upper_dev_link'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='7900' column='1'/>
+ <parameter type-id='68a2d05b' name='upper_dev' filepath='net/core/dev.c' line='7901' column='1'/>
+ <parameter type-id='5799dc94' name='extack' filepath='net/core/dev.c' line='7902' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netdev_upper_dev_unlink' mangled-name='netdev_upper_dev_unlink' filepath='net/core/dev.c' line='7983' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_upper_dev_unlink'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='7983' column='1'/>
+ <parameter type-id='68a2d05b' name='upper_dev' filepath='net/core/dev.c' line='7984' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netdev_warn' mangled-name='netdev_warn' filepath='net/core/dev.c' line='11136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netdev_warn'>
+ <parameter type-id='2ce52478' name='dev' filepath='net/core/dev.c' line='11136' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='net/core/dev.c' line='11136' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_carrier_off' mangled-name='netif_carrier_off' filepath='net/sched/sch_generic.c' line='532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_carrier_off'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/sched/sch_generic.c' line='532' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_carrier_on' mangled-name='netif_carrier_on' filepath='net/sched/sch_generic.c' line='513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_carrier_on'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/sched/sch_generic.c' line='513' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_device_attach' mangled-name='netif_device_attach' filepath='net/core/dev.c' line='3154' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_device_attach'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3154' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_device_detach' mangled-name='netif_device_detach' filepath='net/core/dev.c' line='3139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_device_detach'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3139' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_napi_add' mangled-name='netif_napi_add' filepath='net/core/dev.c' line='6736' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_napi_add'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='6736' column='1'/>
+ <parameter type-id='c50361c5' name='napi' filepath='net/core/dev.c' line='6736' column='1'/>
+ <parameter type-id='f07d90b4' name='poll' filepath='net/core/dev.c' line='6737' column='1'/>
+ <parameter type-id='95e97e5e' name='weight' filepath='net/core/dev.c' line='6737' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_receive_skb' mangled-name='netif_receive_skb' filepath='net/core/dev.c' line='5630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_receive_skb'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='5630' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netif_receive_skb_core' mangled-name='netif_receive_skb_core' filepath='net/core/dev.c' line='5378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_receive_skb_core'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='5378' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netif_receive_skb_list' mangled-name='netif_receive_skb_list' filepath='net/core/dev.c' line='5653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_receive_skb_list'>
+ <parameter type-id='e84b031a' name='head' filepath='net/core/dev.c' line='5653' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_rx' mangled-name='netif_rx' filepath='net/core/dev.c' line='4842' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_rx'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4842' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netif_rx_ni' mangled-name='netif_rx_ni' filepath='net/core/dev.c' line='4855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_rx_ni'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='4855' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netif_schedule_queue' mangled-name='netif_schedule_queue' filepath='net/core/dev.c' line='3076' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_schedule_queue'>
+ <parameter type-id='35b28c4f' name='txq' filepath='net/core/dev.c' line='3076' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_set_real_num_rx_queues' mangled-name='netif_set_real_num_rx_queues' filepath='net/core/dev.c' line='3011' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_set_real_num_rx_queues'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3011' column='1'/>
+ <parameter type-id='f0981eeb' name='rxq' filepath='net/core/dev.c' line='3011' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netif_set_real_num_tx_queues' mangled-name='netif_set_real_num_tx_queues' filepath='net/core/dev.c' line='2961' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_set_real_num_tx_queues'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='2961' column='1'/>
+ <parameter type-id='f0981eeb' name='txq' filepath='net/core/dev.c' line='2961' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netif_stacked_transfer_operstate' mangled-name='netif_stacked_transfer_operstate' filepath='net/core/dev.c' line='9864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_stacked_transfer_operstate'>
+ <parameter type-id='2ce52478' name='rootdev' filepath='net/core/dev.c' line='9864' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9865' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_tx_stop_all_queues' mangled-name='netif_tx_stop_all_queues' filepath='net/core/dev.c' line='9972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_tx_stop_all_queues'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='9972' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netif_tx_wake_queue' mangled-name='netif_tx_wake_queue' filepath='net/core/dev.c' line='3088' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netif_tx_wake_queue'>
+ <parameter type-id='35b28c4f' name='dev_queue' filepath='net/core/dev.c' line='3088' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netlink_ack' mangled-name='netlink_ack' filepath='net/netlink/af_netlink.c' line='2404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_ack'>
+ <parameter type-id='0fbf3cfd' name='in_skb' filepath='net/netlink/af_netlink.c' line='2404' column='1'/>
+ <parameter type-id='c2074578' name='nlh' filepath='net/netlink/af_netlink.c' line='2404' column='1'/>
+ <parameter type-id='95e97e5e' name='err' filepath='net/netlink/af_netlink.c' line='2404' column='1'/>
+ <parameter type-id='f1dc7839' name='extack' filepath='net/netlink/af_netlink.c' line='2405' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netlink_broadcast' mangled-name='netlink_broadcast' filepath='net/netlink/af_netlink.c' line='1540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_broadcast'>
+ <parameter type-id='f772df6d' name='ssk' filepath='net/netlink/af_netlink.c' line='1540' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/af_netlink.c' line='1540' column='1'/>
+ <parameter type-id='19c2251e' name='portid' filepath='net/netlink/af_netlink.c' line='1540' column='1'/>
+ <parameter type-id='19c2251e' name='group' filepath='net/netlink/af_netlink.c' line='1541' column='1'/>
+ <parameter type-id='3eb7c31c' name='allocation' filepath='net/netlink/af_netlink.c' line='1541' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netlink_capable' mangled-name='netlink_capable' filepath='net/netlink/af_netlink.c' line='893' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_capable'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/netlink/af_netlink.c' line='893' column='1'/>
+ <parameter type-id='95e97e5e' name='cap' filepath='net/netlink/af_netlink.c' line='893' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='netlink_has_listeners' mangled-name='netlink_has_listeners' filepath='net/netlink/af_netlink.c' line='1356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_has_listeners'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/netlink/af_netlink.c' line='1356' column='1'/>
+ <parameter type-id='f0981eeb' name='group' filepath='net/netlink/af_netlink.c' line='1356' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netlink_kernel_release' mangled-name='netlink_kernel_release' filepath='net/netlink/af_netlink.c' line='2110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_kernel_release'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/netlink/af_netlink.c' line='2110' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='netlink_register_notifier' mangled-name='netlink_register_notifier' filepath='net/netlink/af_netlink.c' line='2742' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_register_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/netlink/af_netlink.c' line='2742' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netlink_unicast' mangled-name='netlink_unicast' filepath='net/netlink/af_netlink.c' line='1320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_unicast'>
+ <parameter type-id='f772df6d' name='ssk' filepath='net/netlink/af_netlink.c' line='1320' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/netlink/af_netlink.c' line='1320' column='1'/>
+ <parameter type-id='19c2251e' name='portid' filepath='net/netlink/af_netlink.c' line='1321' column='1'/>
+ <parameter type-id='95e97e5e' name='nonblock' filepath='net/netlink/af_netlink.c' line='1321' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='netlink_unregister_notifier' mangled-name='netlink_unregister_notifier' filepath='net/netlink/af_netlink.c' line='2748' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='netlink_unregister_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/netlink/af_netlink.c' line='2748' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='new_inode' mangled-name='new_inode' filepath='fs/inode.c' line='953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='new_inode'>
+ <parameter type-id='42c8f564' name='sb' filepath='fs/inode.c' line='953' column='1'/>
+ <return type-id='7e666abe'/>
+ </function-decl>
+ <function-decl name='nf_conntrack_destroy' mangled-name='nf_conntrack_destroy' filepath='net/netfilter/core.c' line='670' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_conntrack_destroy'>
+ <parameter type-id='96b07343' name='nfct' filepath='net/netfilter/core.c' line='670' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='nf_ct_attach' mangled-name='nf_ct_attach' filepath='net/netfilter/core.c' line='656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_ct_attach'>
+ <parameter type-id='0fbf3cfd' name='new' filepath='net/netfilter/core.c' line='656' column='1'/>
+ <parameter type-id='11f4a000' name='skb' filepath='net/netfilter/core.c' line='656' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='nf_ct_delete' mangled-name='nf_ct_delete' filepath='net/netfilter/nf_conntrack_core.c' line='655' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_ct_delete'>
+ <parameter type-id='8c493d8a' name='ct' filepath='net/netfilter/nf_conntrack_core.c' line='655' column='1'/>
+ <parameter type-id='19c2251e' name='portid' filepath='net/netfilter/nf_conntrack_core.c' line='655' column='1'/>
+ <parameter type-id='95e97e5e' name='report' filepath='net/netfilter/nf_conntrack_core.c' line='655' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='nf_register_net_hooks' mangled-name='nf_register_net_hooks' filepath='net/netfilter/core.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_register_net_hooks'>
+ <parameter type-id='a2bff676' name='net' filepath='net/netfilter/core.c' line='550' column='1'/>
+ <parameter type-id='27db53a1' name='reg' filepath='net/netfilter/core.c' line='550' column='1'/>
+ <parameter type-id='f0981eeb' name='n' filepath='net/netfilter/core.c' line='551' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nf_unregister_net_hooks' mangled-name='nf_unregister_net_hooks' filepath='net/netfilter/core.c' line='570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nf_unregister_net_hooks'>
+ <parameter type-id='a2bff676' name='net' filepath='net/netfilter/core.c' line='570' column='1'/>
+ <parameter type-id='27db53a1' name='reg' filepath='net/netfilter/core.c' line='570' column='1'/>
+ <parameter type-id='f0981eeb' name='hookcount' filepath='net/netfilter/core.c' line='571' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='nla_append' mangled-name='nla_append' filepath='lib/nlattr.c' line='1101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_append'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1101' column='1'/>
+ <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1101' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1101' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nla_find' mangled-name='nla_find' filepath='lib/nlattr.c' line='698' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_find'>
+ <parameter type-id='0f2a7ce5' name='head' filepath='lib/nlattr.c' line='698' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='lib/nlattr.c' line='698' column='1'/>
+ <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='698' column='1'/>
+ <return type-id='6fcaf91e'/>
+ </function-decl>
+ <function-decl name='nla_memcpy' mangled-name='nla_memcpy' filepath='lib/nlattr.c' line='777' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_memcpy'>
+ <parameter type-id='eaa32e2f' name='dest' filepath='lib/nlattr.c' line='777' column='1'/>
+ <parameter type-id='0f2a7ce5' name='src' filepath='lib/nlattr.c' line='777' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='lib/nlattr.c' line='777' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nla_put' mangled-name='nla_put' filepath='lib/nlattr.c' line='1035' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_put'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1035' column='1'/>
+ <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='1035' column='1'/>
+ <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1035' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1035' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nla_put_64bit' mangled-name='nla_put_64bit' filepath='lib/nlattr.c' line='1056' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_put_64bit'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1056' column='1'/>
+ <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='1056' column='1'/>
+ <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1056' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1057' column='1'/>
+ <parameter type-id='95e97e5e' name='padattr' filepath='lib/nlattr.c' line='1057' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nla_put_nohdr' mangled-name='nla_put_nohdr' filepath='lib/nlattr.c' line='1082' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_put_nohdr'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='1082' column='1'/>
+ <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='1082' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='lib/nlattr.c' line='1082' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nla_reserve' mangled-name='nla_reserve' filepath='lib/nlattr.c' line='908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_reserve'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='908' column='1'/>
+ <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='908' column='1'/>
+ <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='908' column='1'/>
+ <return type-id='6fcaf91e'/>
+ </function-decl>
+ <function-decl name='nla_reserve_64bit' mangled-name='nla_reserve_64bit' filepath='lib/nlattr.c' line='931' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_reserve_64bit'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='lib/nlattr.c' line='931' column='1'/>
+ <parameter type-id='95e97e5e' name='attrtype' filepath='lib/nlattr.c' line='931' column='1'/>
+ <parameter type-id='95e97e5e' name='attrlen' filepath='lib/nlattr.c' line='931' column='1'/>
+ <parameter type-id='95e97e5e' name='padattr' filepath='lib/nlattr.c' line='932' column='1'/>
+ <return type-id='6fcaf91e'/>
+ </function-decl>
+ <function-decl name='nla_strlcpy' mangled-name='nla_strlcpy' filepath='lib/nlattr.c' line='723' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nla_strlcpy'>
+ <parameter type-id='26a90f95' name='dst' filepath='lib/nlattr.c' line='723' column='1'/>
+ <parameter type-id='0f2a7ce5' name='nla' filepath='lib/nlattr.c' line='723' column='1'/>
+ <parameter type-id='b59d7dce' name='dstsize' filepath='lib/nlattr.c' line='723' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='no_llseek' mangled-name='no_llseek' filepath='fs/read_write.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='no_llseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='230' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='230' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='230' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <function-decl name='no_seek_end_llseek' mangled-name='no_seek_end_llseek' filepath='fs/read_write.c' line='181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='no_seek_end_llseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='181' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='181' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='181' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <function-decl name='nonseekable_open' mangled-name='nonseekable_open' filepath='fs/open.c' line='1401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nonseekable_open'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/open.c' line='1401' column='1'/>
+ <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='1401' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='noop_llseek' mangled-name='noop_llseek' filepath='fs/read_write.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='noop_llseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='224' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='224' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='224' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <var-decl name='nr_cpu_ids' type-id='f0981eeb' mangled-name='nr_cpu_ids' visibility='default' filepath='kernel/smp.c' line='796' column='1' elf-symbol-id='nr_cpu_ids'/>
+ <function-decl name='nr_ipi_get' mangled-name='nr_ipi_get' filepath='arch/arm64/kernel/smp.c' line='1147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nr_ipi_get'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='nr_irqs' type-id='95e97e5e' mangled-name='nr_irqs' visibility='default' filepath='kernel/irq/irqdesc.c' line='130' column='1' elf-symbol-id='nr_irqs'/>
+ <function-decl name='ns_capable' mangled-name='ns_capable' filepath='kernel/capability.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ns_capable'>
+ <parameter type-id='c0ced320' name='ns' filepath='kernel/capability.c' line='394' column='1'/>
+ <parameter type-id='95e97e5e' name='cap' filepath='kernel/capability.c' line='394' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='ns_to_kernel_old_timeval' mangled-name='ns_to_kernel_old_timeval' filepath='kernel/time/time.c' line='452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ns_to_kernel_old_timeval'>
+ <parameter type-id='d238557f' name='nsec' filepath='kernel/time/time.c' line='452' column='1'/>
+ <return type-id='4595b96b'/>
+ </function-decl>
+ <function-decl name='ns_to_timespec64' mangled-name='ns_to_timespec64' filepath='kernel/time/time.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ns_to_timespec64'>
+ <parameter type-id='d238557f' name='nsec' filepath='kernel/time/time.c' line='506' column='1'/>
+ <return type-id='40a816ad'/>
+ </function-decl>
+ <function-decl name='nsec_to_clock_t' mangled-name='nsec_to_clock_t' filepath='kernel/time/time.c' line='674' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nsec_to_clock_t'>
+ <parameter type-id='91ce1af9' name='x' filepath='kernel/time/time.c' line='674' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='nsecs_to_jiffies' mangled-name='nsecs_to_jiffies' filepath='kernel/time/time.c' line='755' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nsecs_to_jiffies'>
+ <parameter type-id='91ce1af9' name='n' filepath='kernel/time/time.c' line='755' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='nvdimm_bus_register' mangled-name='nvdimm_bus_register' filepath='drivers/nvdimm/bus.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvdimm_bus_register'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/nvdimm/bus.c' line='342' column='1'/>
+ <parameter type-id='0e23c133' name='nd_desc' filepath='drivers/nvdimm/bus.c' line='343' column='1'/>
+ <return type-id='c7ee6915'/>
+ </function-decl>
+ <function-decl name='nvdimm_bus_unregister' mangled-name='nvdimm_bus_unregister' filepath='drivers/nvdimm/bus.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvdimm_bus_unregister'>
+ <parameter type-id='c7ee6915' name='nvdimm_bus' filepath='drivers/nvdimm/bus.c' line='381' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='nvdimm_pmem_region_create' mangled-name='nvdimm_pmem_region_create' filepath='drivers/nvdimm/region_devs.c' line='1150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvdimm_pmem_region_create'>
+ <parameter type-id='c7ee6915' name='nvdimm_bus' filepath='drivers/nvdimm/region_devs.c' line='1150' column='1'/>
+ <parameter type-id='22ab35e2' name='ndr_desc' filepath='drivers/nvdimm/region_devs.c' line='1151' column='1'/>
+ <return type-id='14dc741a'/>
+ </function-decl>
+ <function-decl name='nvmem_cell_get' mangled-name='nvmem_cell_get' filepath='drivers/nvmem/core.c' line='1109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='1109' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='1109' column='1'/>
+ <return type-id='4a4ce85f'/>
+ </function-decl>
+ <function-decl name='nvmem_cell_put' mangled-name='nvmem_cell_put' filepath='drivers/nvmem/core.c' line='1195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_put'>
+ <parameter type-id='4a4ce85f' name='cell' filepath='drivers/nvmem/core.c' line='1195' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='nvmem_cell_read' mangled-name='nvmem_cell_read' filepath='drivers/nvmem/core.c' line='1267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_read'>
+ <parameter type-id='4a4ce85f' name='cell' filepath='drivers/nvmem/core.c' line='1267' column='1'/>
+ <parameter type-id='78c01427' name='len' filepath='drivers/nvmem/core.c' line='1267' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='nvmem_cell_read_u32' mangled-name='nvmem_cell_read_u32' filepath='drivers/nvmem/core.c' line='1447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_read_u32'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='1447' column='1'/>
+ <parameter type-id='80f4b756' name='cell_id' filepath='drivers/nvmem/core.c' line='1447' column='1'/>
+ <parameter type-id='f9409001' name='val' filepath='drivers/nvmem/core.c' line='1447' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nvmem_cell_write' mangled-name='nvmem_cell_write' filepath='drivers/nvmem/core.c' line='1352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_cell_write'>
+ <parameter type-id='4a4ce85f' name='cell' filepath='drivers/nvmem/core.c' line='1352' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/nvmem/core.c' line='1352' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/nvmem/core.c' line='1352' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nvmem_device_get' mangled-name='nvmem_device_get' filepath='drivers/nvmem/core.c' line='885' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_device_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/nvmem/core.c' line='885' column='1'/>
+ <parameter type-id='80f4b756' name='dev_name' filepath='drivers/nvmem/core.c' line='885' column='1'/>
+ <return type-id='8179bc49'/>
+ </function-decl>
+ <function-decl name='nvmem_device_put' mangled-name='nvmem_device_put' filepath='drivers/nvmem/core.c' line='955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_device_put'>
+ <parameter type-id='8179bc49' name='nvmem' filepath='drivers/nvmem/core.c' line='955' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='nvmem_device_read' mangled-name='nvmem_device_read' filepath='drivers/nvmem/core.c' line='1537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_device_read'>
+ <parameter type-id='8179bc49' name='nvmem' filepath='drivers/nvmem/core.c' line='1537' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/nvmem/core.c' line='1538' column='1'/>
+ <parameter type-id='b59d7dce' name='bytes' filepath='drivers/nvmem/core.c' line='1539' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/nvmem/core.c' line='1539' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nvmem_device_write' mangled-name='nvmem_device_write' filepath='drivers/nvmem/core.c' line='1565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_device_write'>
+ <parameter type-id='8179bc49' name='nvmem' filepath='drivers/nvmem/core.c' line='1565' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='drivers/nvmem/core.c' line='1566' column='1'/>
+ <parameter type-id='b59d7dce' name='bytes' filepath='drivers/nvmem/core.c' line='1567' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/nvmem/core.c' line='1567' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='nvmem_register' mangled-name='nvmem_register' filepath='drivers/nvmem/core.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_register'>
+ <parameter type-id='7bb280fa' name='config' filepath='drivers/nvmem/core.c' line='605' column='1'/>
+ <return type-id='8179bc49'/>
+ </function-decl>
+ <function-decl name='nvmem_unregister' mangled-name='nvmem_unregister' filepath='drivers/nvmem/core.c' line='744' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='nvmem_unregister'>
+ <parameter type-id='8179bc49' name='nvmem' filepath='drivers/nvmem/core.c' line='744' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='of_address_to_resource' mangled-name='of_address_to_resource' filepath='drivers/of/address.c' line='866' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_address_to_resource'>
+ <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/address.c' line='866' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/address.c' line='866' column='1'/>
+ <parameter type-id='c9d64c0d' name='r' filepath='drivers/of/address.c' line='867' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_alias_get_highest_id' mangled-name='of_alias_get_highest_id' filepath='drivers/of/base.c' line='2108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_alias_get_highest_id'>
+ <parameter type-id='80f4b756' name='stem' filepath='drivers/of/base.c' line='2108' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_alias_get_id' mangled-name='of_alias_get_id' filepath='drivers/of/base.c' line='2027' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_alias_get_id'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='2027' column='1'/>
+ <parameter type-id='80f4b756' name='stem' filepath='drivers/of/base.c' line='2027' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_clk_add_hw_provider' mangled-name='of_clk_add_hw_provider' filepath='drivers/clk/clk.c' line='4638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_add_hw_provider'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4638' column='1'/>
+ <parameter type-id='a5186342' name='get' filepath='drivers/clk/clk.c' line='4639' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4641' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_clk_add_provider' mangled-name='of_clk_add_provider' filepath='drivers/clk/clk.c' line='4596' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_add_provider'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4596' column='1'/>
+ <parameter type-id='f1c652ac' name='clk_src_get' filepath='drivers/clk/clk.c' line='4597' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4599' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_clk_del_provider' mangled-name='of_clk_del_provider' filepath='drivers/clk/clk.c' line='4740' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_del_provider'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4740' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='of_clk_get' mangled-name='of_clk_get' filepath='drivers/clk/clk.c' line='4940' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4940' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/clk/clk.c' line='4940' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='of_clk_get_by_name' mangled-name='of_clk_get_by_name' filepath='drivers/clk/clk.c' line='4955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get_by_name'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clk/clk.c' line='4955' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/clk/clk.c' line='4955' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='of_clk_get_from_provider' mangled-name='of_clk_get_from_provider' filepath='drivers/clk/clk.c' line='4906' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get_from_provider'>
+ <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4906' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='of_clk_get_parent_count' mangled-name='of_clk_get_parent_count' filepath='drivers/clk/clk.c' line='4970' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get_parent_count'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/clk/clk.c' line='4970' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='of_clk_get_parent_name' mangled-name='of_clk_get_parent_name' filepath='drivers/clk/clk.c' line='4982' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_get_parent_name'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/clk/clk.c' line='4982' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/clk/clk.c' line='4982' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='of_clk_hw_onecell_get' mangled-name='of_clk_hw_onecell_get' filepath='drivers/clk/clk.c' line='4574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_hw_onecell_get'>
+ <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4574' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4574' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='of_clk_hw_simple_get' mangled-name='of_clk_hw_simple_get' filepath='drivers/clk/clk.c' line='4553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_hw_simple_get'>
+ <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4553' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4553' column='1'/>
+ <return type-id='3aaeef89'/>
+ </function-decl>
+ <function-decl name='of_clk_set_defaults' mangled-name='of_clk_set_defaults' filepath='drivers/clk/clk-conf.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_set_defaults'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/clk/clk-conf.c' line='131' column='1'/>
+ <parameter type-id='b50a4934' name='clk_supplier' filepath='drivers/clk/clk-conf.c' line='131' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_clk_src_onecell_get' mangled-name='of_clk_src_onecell_get' filepath='drivers/clk/clk.c' line='4559' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_src_onecell_get'>
+ <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4559' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4559' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='of_clk_src_simple_get' mangled-name='of_clk_src_simple_get' filepath='drivers/clk/clk.c' line='4546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_clk_src_simple_get'>
+ <parameter type-id='51a94113' name='clkspec' filepath='drivers/clk/clk.c' line='4546' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/clk/clk.c' line='4547' column='1'/>
+ <return type-id='7d0bc0eb'/>
+ </function-decl>
+ <function-decl name='of_count_phandle_with_args' mangled-name='of_count_phandle_with_args' filepath='drivers/of/base.c' line='1738' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_count_phandle_with_args'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1738' column='1'/>
+ <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1738' column='1'/>
+ <parameter type-id='80f4b756' name='cells_name' filepath='drivers/of/base.c' line='1739' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_cpu_node_to_id' mangled-name='of_cpu_node_to_id' filepath='drivers/of/base.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_cpu_node_to_id'>
+ <parameter type-id='9a537bbe' name='cpu_node' filepath='drivers/of/base.c' line='400' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_cpufreq_cooling_register' mangled-name='of_cpufreq_cooling_register' filepath='drivers/thermal/cpufreq_cooling.c' line='626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_cpufreq_cooling_register'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/thermal/cpufreq_cooling.c' line='626' column='1'/>
+ <return type-id='2feec21f'/>
+ </function-decl>
+ <function-decl name='of_css' mangled-name='of_css' filepath='kernel/cgroup/cgroup.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_css'>
+ <parameter type-id='8212a608' name='of' filepath='kernel/cgroup/cgroup.c' line='642' column='1'/>
+ <return type-id='cfff5953'/>
+ </function-decl>
+ <function-decl name='of_devfreq_cooling_register' mangled-name='of_devfreq_cooling_register' filepath='drivers/thermal/devfreq_cooling.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_devfreq_cooling_register'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/thermal/devfreq_cooling.c' line='537' column='1'/>
+ <parameter type-id='f66fa7f4' name='df' filepath='drivers/thermal/devfreq_cooling.c' line='537' column='1'/>
+ <return type-id='2feec21f'/>
+ </function-decl>
+ <function-decl name='of_devfreq_cooling_register_power' mangled-name='of_devfreq_cooling_register_power' filepath='drivers/thermal/devfreq_cooling.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_devfreq_cooling_register_power'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/thermal/devfreq_cooling.c' line='460' column='1'/>
+ <parameter type-id='f66fa7f4' name='df' filepath='drivers/thermal/devfreq_cooling.c' line='460' column='1'/>
+ <parameter type-id='0b660ebe' name='dfc_power' filepath='drivers/thermal/devfreq_cooling.c' line='461' column='1'/>
+ <return type-id='2feec21f'/>
+ </function-decl>
+ <function-decl name='of_device_get_match_data' mangled-name='of_device_get_match_data' filepath='drivers/of/device.c' line='206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_get_match_data'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/of/device.c' line='206' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='of_device_is_available' mangled-name='of_device_is_available' filepath='drivers/of/base.c' line='617' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_is_available'>
+ <parameter type-id='0afa6ea3' name='device' filepath='drivers/of/base.c' line='617' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_device_is_big_endian' mangled-name='of_device_is_big_endian' filepath='drivers/of/base.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_is_big_endian'>
+ <parameter type-id='0afa6ea3' name='device' filepath='drivers/of/base.c' line='642' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_device_is_compatible' mangled-name='of_device_is_compatible' filepath='drivers/of/base.c' line='525' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_is_compatible'>
+ <parameter type-id='0afa6ea3' name='device' filepath='drivers/of/base.c' line='525' column='1'/>
+ <parameter type-id='80f4b756' name='compat' filepath='drivers/of/base.c' line='526' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_device_modalias' mangled-name='of_device_modalias' filepath='drivers/of/device.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_modalias'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='283' column='1'/>
+ <parameter type-id='26a90f95' name='str' filepath='drivers/of/device.c' line='283' column='1'/>
+ <parameter type-id='79a0948f' name='len' filepath='drivers/of/device.c' line='283' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='of_device_request_module' mangled-name='of_device_request_module' filepath='drivers/of/device.c' line='257' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_request_module'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='257' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_device_uevent_modalias' mangled-name='of_device_uevent_modalias' filepath='drivers/of/device.c' line='337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_device_uevent_modalias'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='337' column='1'/>
+ <parameter type-id='d9d65b21' name='env' filepath='drivers/of/device.c' line='337' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_dma_configure_id' mangled-name='of_dma_configure_id' filepath='drivers/of/device.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_configure_id'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/device.c' line='91' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/device.c' line='91' column='1'/>
+ <parameter type-id='b50a4934' name='force_dma' filepath='drivers/of/device.c' line='92' column='1'/>
+ <parameter type-id='aded214c' name='id' filepath='drivers/of/device.c' line='92' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_dma_controller_free' mangled-name='of_dma_controller_free' filepath='drivers/dma/of-dma.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_controller_free'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/dma/of-dma.c' line='143' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='of_dma_controller_register' mangled-name='of_dma_controller_register' filepath='drivers/dma/of-dma.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_controller_register'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/dma/of-dma.c' line='108' column='1'/>
+ <parameter type-id='04d80927' name='of_dma_xlate' filepath='drivers/dma/of-dma.c' line='109' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/dma/of-dma.c' line='111' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_dma_is_coherent' mangled-name='of_dma_is_coherent' filepath='drivers/of/address.c' line='1077' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_is_coherent'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/address.c' line='1077' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_dma_simple_xlate' mangled-name='of_dma_simple_xlate' filepath='drivers/dma/of-dma.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_simple_xlate'>
+ <parameter type-id='51a94113' name='dma_spec' filepath='drivers/dma/of-dma.c' line='311' column='1'/>
+ <parameter type-id='2f9b8041' name='ofdma' filepath='drivers/dma/of-dma.c' line='312' column='1'/>
+ <return type-id='27f3f5d8'/>
+ </function-decl>
+ <function-decl name='of_dma_xlate_by_chan_id' mangled-name='of_dma_xlate_by_chan_id' filepath='drivers/dma/of-dma.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_dma_xlate_by_chan_id'>
+ <parameter type-id='51a94113' name='dma_spec' filepath='drivers/dma/of-dma.c' line='341' column='1'/>
+ <parameter type-id='2f9b8041' name='ofdma' filepath='drivers/dma/of-dma.c' line='342' column='1'/>
+ <return type-id='27f3f5d8'/>
+ </function-decl>
+ <function-decl name='of_drm_find_bridge' mangled-name='of_drm_find_bridge' filepath='drivers/gpu/drm/drm_bridge.c' line='1209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_drm_find_bridge'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/gpu/drm/drm_bridge.c' line='1209' column='1'/>
+ <return type-id='8582e5ec'/>
+ </function-decl>
+ <function-decl name='of_drm_find_panel' mangled-name='of_drm_find_panel' filepath='drivers/gpu/drm/drm_panel.c' line='243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_drm_find_panel'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/gpu/drm/drm_panel.c' line='243' column='1'/>
+ <return type-id='c5491077'/>
+ </function-decl>
+ <function-decl name='of_drm_get_panel_orientation' mangled-name='of_drm_get_panel_orientation' filepath='drivers/gpu/drm/drm_panel.c' line='277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_drm_get_panel_orientation'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/gpu/drm/drm_panel.c' line='277' column='1'/>
+ <parameter type-id='83de9118' name='orientation' filepath='drivers/gpu/drm/drm_panel.c' line='278' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_find_all_nodes' mangled-name='of_find_all_nodes' filepath='drivers/of/base.c' line='250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_all_nodes'>
+ <parameter type-id='9a537bbe' name='prev' filepath='drivers/of/base.c' line='250' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_backlight_by_node' mangled-name='of_find_backlight_by_node' filepath='drivers/video/backlight/backlight.c' line='665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_backlight_by_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/video/backlight/backlight.c' line='665' column='1'/>
+ <return type-id='7a76d041'/>
+ </function-decl>
+ <function-decl name='of_find_compatible_node' mangled-name='of_find_compatible_node' filepath='drivers/of/base.c' line='1029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_compatible_node'>
+ <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='1029' column='1'/>
+ <parameter type-id='80f4b756' name='type' filepath='drivers/of/base.c' line='1030' column='1'/>
+ <parameter type-id='80f4b756' name='compatible' filepath='drivers/of/base.c' line='1030' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_device_by_node' mangled-name='of_find_device_by_node' filepath='drivers/of/platform.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_device_by_node'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/platform.c' line='49' column='1'/>
+ <return type-id='db362995'/>
+ </function-decl>
+ <function-decl name='of_find_i2c_adapter_by_node' mangled-name='of_find_i2c_adapter_by_node' filepath='drivers/i2c/i2c-core-of.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_i2c_adapter_by_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/i2c/i2c-core-of.c' line='149' column='1'/>
+ <return type-id='b9af02c3'/>
+ </function-decl>
+ <function-decl name='of_find_i2c_device_by_node' mangled-name='of_find_i2c_device_by_node' filepath='drivers/i2c/i2c-core-of.c' line='131' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_i2c_device_by_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/i2c/i2c-core-of.c' line='131' column='1'/>
+ <return type-id='3e31633b'/>
+ </function-decl>
+ <function-decl name='of_find_matching_node_and_match' mangled-name='of_find_matching_node_and_match' filepath='drivers/of/base.c' line='1136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_matching_node_and_match'>
+ <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='1136' column='1'/>
+ <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/base.c' line='1137' column='1'/>
+ <parameter type-id='77e5615c' name='match' filepath='drivers/of/base.c' line='1138' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_mipi_dsi_host_by_node' mangled-name='of_find_mipi_dsi_host_by_node' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_mipi_dsi_host_by_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/gpu/drm/drm_mipi_dsi.c' line='261' column='1'/>
+ <return type-id='c149fe34'/>
+ </function-decl>
+ <function-decl name='of_find_node_by_name' mangled-name='of_find_node_by_name' filepath='drivers/of/base.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_by_name'>
+ <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='971' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='972' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_node_by_phandle' mangled-name='of_find_node_by_phandle' filepath='drivers/of/base.c' line='1196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_by_phandle'>
+ <parameter type-id='6e394fba' name='handle' filepath='drivers/of/base.c' line='1196' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_node_by_type' mangled-name='of_find_node_by_type' filepath='drivers/of/base.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_by_type'>
+ <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='999' column='1'/>
+ <parameter type-id='80f4b756' name='type' filepath='drivers/of/base.c' line='1000' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_node_opts_by_path' mangled-name='of_find_node_opts_by_path' filepath='drivers/of/base.c' line='913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_opts_by_path'>
+ <parameter type-id='80f4b756' name='path' filepath='drivers/of/base.c' line='913' column='1'/>
+ <parameter type-id='7d3cd834' name='opts' filepath='drivers/of/base.c' line='913' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_node_with_property' mangled-name='of_find_node_with_property' filepath='drivers/of/base.c' line='1058' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_node_with_property'>
+ <parameter type-id='9a537bbe' name='from' filepath='drivers/of/base.c' line='1058' column='1'/>
+ <parameter type-id='80f4b756' name='prop_name' filepath='drivers/of/base.c' line='1059' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_find_property' mangled-name='of_find_property' filepath='drivers/of/base.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_find_property'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='210' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='211' column='1'/>
+ <parameter type-id='7292109c' name='lenp' filepath='drivers/of/base.c' line='212' column='1'/>
+ <return type-id='ddcd89c6'/>
+ </function-decl>
+ <var-decl name='of_fwnode_ops' type-id='2eb8da02' mangled-name='of_fwnode_ops' visibility='default' filepath='drivers/of/property.c' line='1414' column='1' elf-symbol-id='of_fwnode_ops'/>
+ <function-decl name='of_gen_pool_get' mangled-name='of_gen_pool_get' filepath='lib/genalloc.c' line='873' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_gen_pool_get'>
+ <parameter type-id='9a537bbe' name='np' filepath='lib/genalloc.c' line='873' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='lib/genalloc.c' line='874' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='lib/genalloc.c' line='874' column='1'/>
+ <return type-id='75b9415a'/>
+ </function-decl>
+ <function-decl name='of_genpd_add_device' mangled-name='of_genpd_add_device' filepath='drivers/base/power/domain.c' line='2442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_add_device'>
+ <parameter type-id='51a94113' name='genpdspec' filepath='drivers/base/power/domain.c' line='2442' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='2442' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_genpd_add_provider_onecell' mangled-name='of_genpd_add_provider_onecell' filepath='drivers/base/power/domain.c' line='2280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_add_provider_onecell'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/base/power/domain.c' line='2280' column='1'/>
+ <parameter type-id='29f0ac2f' name='data' filepath='drivers/base/power/domain.c' line='2281' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_genpd_add_provider_simple' mangled-name='of_genpd_add_provider_simple' filepath='drivers/base/power/domain.c' line='2222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_add_provider_simple'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/base/power/domain.c' line='2222' column='1'/>
+ <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='2223' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_genpd_add_subdomain' mangled-name='of_genpd_add_subdomain' filepath='drivers/base/power/domain.c' line='2473' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_add_subdomain'>
+ <parameter type-id='51a94113' name='parent_spec' filepath='drivers/base/power/domain.c' line='2473' column='1'/>
+ <parameter type-id='51a94113' name='subdomain_spec' filepath='drivers/base/power/domain.c' line='2474' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_genpd_del_provider' mangled-name='of_genpd_del_provider' filepath='drivers/base/power/domain.c' line='2361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_genpd_del_provider'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/base/power/domain.c' line='2361' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='of_get_address' mangled-name='of_get_address' filepath='drivers/of/address.c' line='674' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_address'>
+ <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/address.c' line='674' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/address.c' line='674' column='1'/>
+ <parameter type-id='3df9fd28' name='size' filepath='drivers/of/address.c' line='674' column='1'/>
+ <parameter type-id='807869d3' name='flags' filepath='drivers/of/address.c' line='675' column='1'/>
+ <return type-id='90144368'/>
+ </function-decl>
+ <function-decl name='of_get_child_by_name' mangled-name='of_get_child_by_name' filepath='drivers/of/base.c' line='847' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_child_by_name'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='847' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='848' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_get_compatible_child' mangled-name='of_get_compatible_child' filepath='drivers/of/base.c' line='822' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_compatible_child'>
+ <parameter type-id='0afa6ea3' name='parent' filepath='drivers/of/base.c' line='822' column='1'/>
+ <parameter type-id='80f4b756' name='compatible' filepath='drivers/of/base.c' line='823' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_get_cpu_node' mangled-name='of_get_cpu_node' filepath='drivers/of/base.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_cpu_node'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='drivers/of/base.c' line='380' column='1'/>
+ <parameter type-id='807869d3' name='thread' filepath='drivers/of/base.c' line='380' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_get_display_timing' mangled-name='of_get_display_timing' filepath='drivers/video/of_display_timing.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_display_timing'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/video/of_display_timing.c' line='118' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/video/of_display_timing.c' line='118' column='1'/>
+ <parameter type-id='a569b9de' name='dt' filepath='drivers/video/of_display_timing.c' line='119' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_get_display_timings' mangled-name='of_get_display_timings' filepath='drivers/video/of_display_timing.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_display_timings'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/video/of_display_timing.c' line='143' column='1'/>
+ <return type-id='32e774d9'/>
+ </function-decl>
+ <function-decl name='of_get_dma_window' mangled-name='of_get_dma_window' filepath='drivers/iommu/of_iommu.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_dma_window'>
+ <parameter type-id='9a537bbe' name='dn' filepath='drivers/iommu/of_iommu.c' line='36' column='1'/>
+ <parameter type-id='80f4b756' name='prefix' filepath='drivers/iommu/of_iommu.c' line='36' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/iommu/of_iommu.c' line='36' column='1'/>
+ <parameter type-id='1d2c2b85' name='busno' filepath='drivers/iommu/of_iommu.c' line='37' column='1'/>
+ <parameter type-id='e835b5d8' name='addr' filepath='drivers/iommu/of_iommu.c' line='37' column='1'/>
+ <parameter type-id='78c01427' name='size' filepath='drivers/iommu/of_iommu.c' line='37' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_get_drm_display_mode' mangled-name='of_get_drm_display_mode' filepath='drivers/gpu/drm/drm_modes.c' line='708' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_drm_display_mode'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/gpu/drm/drm_modes.c' line='708' column='1'/>
+ <parameter type-id='11e02f83' name='dmode' filepath='drivers/gpu/drm/drm_modes.c' line='709' column='1'/>
+ <parameter type-id='f9409001' name='bus_flags' filepath='drivers/gpu/drm/drm_modes.c' line='709' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/gpu/drm/drm_modes.c' line='710' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_get_i2c_adapter_by_node' mangled-name='of_get_i2c_adapter_by_node' filepath='drivers/i2c/i2c-core-of.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_i2c_adapter_by_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/i2c/i2c-core-of.c' line='168' column='1'/>
+ <return type-id='b9af02c3'/>
+ </function-decl>
+ <function-decl name='of_get_mac_address' mangled-name='of_get_mac_address' filepath='drivers/of/of_net.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_mac_address'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_net.c' line='103' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='of_get_named_gpio_flags' mangled-name='of_get_named_gpio_flags' filepath='drivers/gpio/gpiolib-of.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_named_gpio_flags'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/gpio/gpiolib-of.c' line='278' column='1'/>
+ <parameter type-id='80f4b756' name='list_name' filepath='drivers/gpio/gpiolib-of.c' line='278' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/gpio/gpiolib-of.c' line='279' column='1'/>
+ <parameter type-id='38fe9344' name='flags' filepath='drivers/gpio/gpiolib-of.c' line='279' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_get_next_available_child' mangled-name='of_get_next_available_child' filepath='drivers/of/base.c' line='751' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_next_available_child'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='751' column='1'/>
+ <parameter type-id='9a537bbe' name='prev' filepath='drivers/of/base.c' line='752' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_get_next_child' mangled-name='of_get_next_child' filepath='drivers/of/base.c' line='730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_next_child'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='730' column='1'/>
+ <parameter type-id='9a537bbe' name='prev' filepath='drivers/of/base.c' line='731' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_get_next_parent' mangled-name='of_get_next_parent' filepath='drivers/of/base.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_next_parent'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/of/base.c' line='686' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_get_parent' mangled-name='of_get_parent' filepath='drivers/of/base.c' line='660' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_parent'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='660' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_get_phy_mode' mangled-name='of_get_phy_mode' filepath='drivers/of/of_net.c' line='25' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_phy_mode'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_net.c' line='25' column='1'/>
+ <parameter type-id='14061e47' name='interface' filepath='drivers/of/of_net.c' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_get_property' mangled-name='of_get_property' filepath='drivers/of/base.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_property'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='280' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='280' column='1'/>
+ <parameter type-id='7292109c' name='lenp' filepath='drivers/of/base.c' line='281' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='of_get_regulator_init_data' mangled-name='of_get_regulator_init_data' filepath='drivers/regulator/of_regulator.c' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_regulator_init_data'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/of_regulator.c' line='273' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/regulator/of_regulator.c' line='274' column='1'/>
+ <parameter type-id='5629bd41' name='desc' filepath='drivers/regulator/of_regulator.c' line='275' column='1'/>
+ <return type-id='d287fe92'/>
+ </function-decl>
+ <function-decl name='of_get_videomode' mangled-name='of_get_videomode' filepath='drivers/video/of_videomode.c' line='30' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_get_videomode'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/video/of_videomode.c' line='30' column='1'/>
+ <parameter type-id='83e7c23f' name='vm' filepath='drivers/video/of_videomode.c' line='30' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/video/of_videomode.c' line='31' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_graph_get_endpoint_by_regs' mangled-name='of_graph_get_endpoint_by_regs' filepath='drivers/of/property.c' line='689' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_endpoint_by_regs'>
+ <parameter type-id='0afa6ea3' name='parent' filepath='drivers/of/property.c' line='690' column='1'/>
+ <parameter type-id='95e97e5e' name='port_reg' filepath='drivers/of/property.c' line='690' column='1'/>
+ <parameter type-id='95e97e5e' name='reg' filepath='drivers/of/property.c' line='690' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_get_endpoint_count' mangled-name='of_graph_get_endpoint_count' filepath='drivers/of/property.c' line='792' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_endpoint_count'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='792' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_graph_get_next_endpoint' mangled-name='of_graph_get_next_endpoint' filepath='drivers/of/property.c' line='620' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_next_endpoint'>
+ <parameter type-id='0afa6ea3' name='parent' filepath='drivers/of/property.c' line='620' column='1'/>
+ <parameter type-id='9a537bbe' name='prev' filepath='drivers/of/property.c' line='621' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_get_port_by_id' mangled-name='of_graph_get_port_by_id' filepath='drivers/of/property.c' line='588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_port_by_id'>
+ <parameter type-id='9a537bbe' name='parent' filepath='drivers/of/property.c' line='588' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='drivers/of/property.c' line='588' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_get_port_parent' mangled-name='of_graph_get_port_parent' filepath='drivers/of/property.c' line='727' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_port_parent'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/of/property.c' line='727' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_get_remote_endpoint' mangled-name='of_graph_get_remote_endpoint' filepath='drivers/of/property.c' line='713' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_endpoint'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='713' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_get_remote_node' mangled-name='of_graph_get_remote_node' filepath='drivers/of/property.c' line='813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_node'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='813' column='1'/>
+ <parameter type-id='19c2251e' name='port' filepath='drivers/of/property.c' line='814' column='1'/>
+ <parameter type-id='19c2251e' name='endpoint' filepath='drivers/of/property.c' line='814' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_get_remote_port' mangled-name='of_graph_get_remote_port' filepath='drivers/of/property.c' line='780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_port'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='780' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_get_remote_port_parent' mangled-name='of_graph_get_remote_port_parent' filepath='drivers/of/property.c' line='757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_get_remote_port_parent'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='758' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_graph_is_present' mangled-name='of_graph_is_present' filepath='drivers/of/property.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_is_present'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='40' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_graph_parse_endpoint' mangled-name='of_graph_parse_endpoint' filepath='drivers/of/property.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_graph_parse_endpoint'>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/property.c' line='556' column='1'/>
+ <parameter type-id='a5eb3c12' name='endpoint' filepath='drivers/of/property.c' line='557' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_hwspin_lock_get_id' mangled-name='of_hwspin_lock_get_id' filepath='drivers/hwspinlock/hwspinlock_core.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_hwspin_lock_get_id'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/hwspinlock/hwspinlock_core.c' line='339' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/hwspinlock/hwspinlock_core.c' line='339' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_i2c_get_board_info' mangled-name='of_i2c_get_board_info' filepath='drivers/i2c/i2c-core-of.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_i2c_get_board_info'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/i2c/i2c-core-of.c' line='23' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/i2c/i2c-core-of.c' line='23' column='1'/>
+ <parameter type-id='fae597a1' name='info' filepath='drivers/i2c/i2c-core-of.c' line='24' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_icc_get' mangled-name='of_icc_get' filepath='drivers/interconnect/core.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_icc_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/interconnect/core.c' line='533' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/interconnect/core.c' line='533' column='1'/>
+ <return type-id='b5fdec5e'/>
+ </function-decl>
+ <function-decl name='of_icc_xlate_onecell' mangled-name='of_icc_xlate_onecell' filepath='drivers/interconnect/core.c' line='331' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_icc_xlate_onecell'>
+ <parameter type-id='51a94113' name='spec' filepath='drivers/interconnect/core.c' line='331' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/interconnect/core.c' line='332' column='1'/>
+ <return type-id='18d76f87'/>
+ </function-decl>
+ <function-decl name='of_iomap' mangled-name='of_iomap' filepath='drivers/of/address.c' line='892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_iomap'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/address.c' line='892' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/address.c' line='892' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='of_irq_find_parent' mangled-name='of_irq_find_parent' filepath='drivers/of/irq.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_find_parent'>
+ <parameter type-id='9a537bbe' name='child' filepath='drivers/of/irq.c' line='54' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_irq_get' mangled-name='of_irq_get' filepath='drivers/of/irq.c' line='387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_get'>
+ <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/irq.c' line='387' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/irq.c' line='387' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_irq_get_byname' mangled-name='of_irq_get_byname' filepath='drivers/of/irq.c' line='414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_get_byname'>
+ <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/irq.c' line='414' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/of/irq.c' line='414' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_irq_parse_one' mangled-name='of_irq_parse_one' filepath='drivers/of/irq.c' line='286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_parse_one'>
+ <parameter type-id='9a537bbe' name='device' filepath='drivers/of/irq.c' line='286' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/irq.c' line='286' column='1'/>
+ <parameter type-id='51a94113' name='out_irq' filepath='drivers/of/irq.c' line='286' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_irq_to_resource_table' mangled-name='of_irq_to_resource_table' filepath='drivers/of/irq.c' line='452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_irq_to_resource_table'>
+ <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/irq.c' line='452' column='1'/>
+ <parameter type-id='c9d64c0d' name='res' filepath='drivers/of/irq.c' line='452' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_irqs' filepath='drivers/of/irq.c' line='453' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_machine_is_compatible' mangled-name='of_machine_is_compatible' filepath='drivers/of/base.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_machine_is_compatible'>
+ <parameter type-id='80f4b756' name='compat' filepath='drivers/of/base.c' line='567' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_match_device' mangled-name='of_match_device' filepath='drivers/of/device.c' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_match_device'>
+ <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/device.c' line='27' column='1'/>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/of/device.c' line='28' column='1'/>
+ <return type-id='e5ce629e'/>
+ </function-decl>
+ <function-decl name='of_match_node' mangled-name='of_match_node' filepath='drivers/of/base.c' line='1110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_match_node'>
+ <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/base.c' line='1110' column='1'/>
+ <parameter type-id='0afa6ea3' name='node' filepath='drivers/of/base.c' line='1111' column='1'/>
+ <return type-id='e5ce629e'/>
+ </function-decl>
+ <function-decl name='of_mdiobus_register' mangled-name='of_mdiobus_register' filepath='drivers/net/mdio/of_mdio.c' line='248' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_mdiobus_register'>
+ <parameter type-id='ff47b24b' name='mdio' filepath='drivers/net/mdio/of_mdio.c' line='248' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/net/mdio/of_mdio.c' line='248' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_modalias_node' mangled-name='of_modalias_node' filepath='drivers/of/base.c' line='1175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_modalias_node'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/of/base.c' line='1175' column='1'/>
+ <parameter type-id='26a90f95' name='modalias' filepath='drivers/of/base.c' line='1175' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='drivers/of/base.c' line='1175' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_n_addr_cells' mangled-name='of_n_addr_cells' filepath='drivers/of/base.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_n_addr_cells'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='101' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_n_size_cells' mangled-name='of_n_size_cells' filepath='drivers/of/base.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_n_size_cells'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='122' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_node_name_eq' mangled-name='of_node_name_eq' filepath='drivers/of/base.c' line='58' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_node_name_eq'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='58' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/of/base.c' line='58' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_nvmem_cell_get' mangled-name='of_nvmem_cell_get' filepath='drivers/nvmem/core.c' line='1062' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_nvmem_cell_get'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/nvmem/core.c' line='1062' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='1062' column='1'/>
+ <return type-id='4a4ce85f'/>
+ </function-decl>
+ <function-decl name='of_nvmem_device_get' mangled-name='of_nvmem_device_get' filepath='drivers/nvmem/core.c' line='855' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_nvmem_device_get'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/nvmem/core.c' line='855' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='drivers/nvmem/core.c' line='855' column='1'/>
+ <return type-id='8179bc49'/>
+ </function-decl>
+ <function-decl name='of_parse_phandle' mangled-name='of_parse_phandle' filepath='drivers/of/base.c' line='1432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_parse_phandle'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1432' column='1'/>
+ <parameter type-id='80f4b756' name='phandle_name' filepath='drivers/of/base.c' line='1433' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/base.c' line='1433' column='1'/>
+ <return type-id='9a537bbe'/>
+ </function-decl>
+ <function-decl name='of_parse_phandle_with_args' mangled-name='of_parse_phandle_with_args' filepath='drivers/of/base.c' line='1480' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_parse_phandle_with_args'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1480' column='1'/>
+ <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1480' column='1'/>
+ <parameter type-id='80f4b756' name='cells_name' filepath='drivers/of/base.c' line='1481' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/base.c' line='1481' column='1'/>
+ <parameter type-id='51a94113' name='out_args' filepath='drivers/of/base.c' line='1482' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_parse_phandle_with_fixed_args' mangled-name='of_parse_phandle_with_fixed_args' filepath='drivers/of/base.c' line='1712' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_parse_phandle_with_fixed_args'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1712' column='1'/>
+ <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1713' column='1'/>
+ <parameter type-id='95e97e5e' name='cell_count' filepath='drivers/of/base.c' line='1713' column='1'/>
+ <parameter type-id='95e97e5e' name='index' filepath='drivers/of/base.c' line='1714' column='1'/>
+ <parameter type-id='51a94113' name='out_args' filepath='drivers/of/base.c' line='1714' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_pci_get_max_link_speed' mangled-name='of_pci_get_max_link_speed' filepath='drivers/pci/of.c' line='591' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_pci_get_max_link_speed'>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/pci/of.c' line='591' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_phandle_iterator_init' mangled-name='of_phandle_iterator_init' filepath='drivers/of/base.c' line='1240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phandle_iterator_init'>
+ <parameter type-id='58cfaa0e' name='it' filepath='drivers/of/base.c' line='1240' column='1'/>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/base.c' line='1241' column='1'/>
+ <parameter type-id='80f4b756' name='list_name' filepath='drivers/of/base.c' line='1242' column='1'/>
+ <parameter type-id='80f4b756' name='cells_name' filepath='drivers/of/base.c' line='1243' column='1'/>
+ <parameter type-id='95e97e5e' name='cell_count' filepath='drivers/of/base.c' line='1244' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_phandle_iterator_next' mangled-name='of_phandle_iterator_next' filepath='drivers/of/base.c' line='1273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phandle_iterator_next'>
+ <parameter type-id='58cfaa0e' name='it' filepath='drivers/of/base.c' line='1273' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_phy_connect' mangled-name='of_phy_connect' filepath='drivers/net/mdio/of_mdio.c' line='399' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_connect'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/mdio/of_mdio.c' line='399' column='1'/>
+ <parameter type-id='9a537bbe' name='phy_np' filepath='drivers/net/mdio/of_mdio.c' line='400' column='1'/>
+ <parameter type-id='548eee3a' name='hndlr' filepath='drivers/net/mdio/of_mdio.c' line='401' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/net/mdio/of_mdio.c' line='401' column='1'/>
+ <parameter type-id='d61bf978' name='iface' filepath='drivers/net/mdio/of_mdio.c' line='402' column='1'/>
+ <return type-id='7efbcaaf'/>
+ </function-decl>
+ <function-decl name='of_phy_deregister_fixed_link' mangled-name='of_phy_deregister_fixed_link' filepath='drivers/net/mdio/of_mdio.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_deregister_fixed_link'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/net/mdio/of_mdio.c' line='579' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='of_phy_find_device' mangled-name='of_phy_find_device' filepath='drivers/net/mdio/of_mdio.c' line='370' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_find_device'>
+ <parameter type-id='9a537bbe' name='phy_np' filepath='drivers/net/mdio/of_mdio.c' line='370' column='1'/>
+ <return type-id='7efbcaaf'/>
+ </function-decl>
+ <function-decl name='of_phy_is_fixed_link' mangled-name='of_phy_is_fixed_link' filepath='drivers/net/mdio/of_mdio.c' line='503' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_is_fixed_link'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/net/mdio/of_mdio.c' line='503' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_phy_register_fixed_link' mangled-name='of_phy_register_fixed_link' filepath='drivers/net/mdio/of_mdio.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_register_fixed_link'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/net/mdio/of_mdio.c' line='529' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_phy_simple_xlate' mangled-name='of_phy_simple_xlate' filepath='drivers/phy/phy-core.c' line='633' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_phy_simple_xlate'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='633' column='1'/>
+ <parameter type-id='51a94113' name='args' filepath='drivers/phy/phy-core.c' line='634' column='1'/>
+ <return type-id='503ff1ba'/>
+ </function-decl>
+ <function-decl name='of_pinctrl_get' mangled-name='of_pinctrl_get' filepath='drivers/pinctrl/devicetree.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_pinctrl_get'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/pinctrl/devicetree.c' line='103' column='1'/>
+ <return type-id='10216dc5'/>
+ </function-decl>
+ <function-decl name='of_platform_depopulate' mangled-name='of_platform_depopulate' filepath='drivers/of/platform.c' line='588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_depopulate'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/of/platform.c' line='588' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='of_platform_device_create' mangled-name='of_platform_device_create' filepath='drivers/of/platform.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_device_create'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/platform.c' line='210' column='1'/>
+ <parameter type-id='80f4b756' name='bus_id' filepath='drivers/of/platform.c' line='211' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/of/platform.c' line='212' column='1'/>
+ <return type-id='db362995'/>
+ </function-decl>
+ <function-decl name='of_platform_device_destroy' mangled-name='of_platform_device_destroy' filepath='drivers/of/platform.c' line='555' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_device_destroy'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/platform.c' line='555' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/of/platform.c' line='555' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_platform_populate' mangled-name='of_platform_populate' filepath='drivers/of/platform.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_platform_populate'>
+ <parameter type-id='9a537bbe' name='root' filepath='drivers/of/platform.c' line='468' column='1'/>
+ <parameter type-id='e5ce629e' name='matches' filepath='drivers/of/platform.c' line='469' column='1'/>
+ <parameter type-id='fcc1e09e' name='lookup' filepath='drivers/of/platform.c' line='470' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/of/platform.c' line='471' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_prop_next_string' mangled-name='of_prop_next_string' filepath='drivers/of/property.c' line='531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_prop_next_string'>
+ <parameter type-id='ddcd89c6' name='prop' filepath='drivers/of/property.c' line='531' column='1'/>
+ <parameter type-id='80f4b756' name='cur' filepath='drivers/of/property.c' line='531' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='of_prop_next_u32' mangled-name='of_prop_next_u32' filepath='drivers/of/property.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_prop_next_u32'>
+ <parameter type-id='ddcd89c6' name='prop' filepath='drivers/of/property.c' line='508' column='1'/>
+ <parameter type-id='90144368' name='cur' filepath='drivers/of/property.c' line='508' column='1'/>
+ <parameter type-id='f9409001' name='pu' filepath='drivers/of/property.c' line='509' column='1'/>
+ <return type-id='90144368'/>
+ </function-decl>
+ <function-decl name='of_property_count_elems_of_size' mangled-name='of_property_count_elems_of_size' filepath='drivers/of/property.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_count_elems_of_size'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='68' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='69' column='1'/>
+ <parameter type-id='95e97e5e' name='elem_size' filepath='drivers/of/property.c' line='69' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_match_string' mangled-name='of_property_match_string' filepath='drivers/of/property.c' line='442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_match_string'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='442' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='442' column='1'/>
+ <parameter type-id='80f4b756' name='string' filepath='drivers/of/property.c' line='443' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_string' mangled-name='of_property_read_string' filepath='drivers/of/property.c' line='418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_string'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='418' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='418' column='1'/>
+ <parameter type-id='7d3cd834' name='out_string' filepath='drivers/of/property.c' line='419' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_string_helper' mangled-name='of_property_read_string_helper' filepath='drivers/of/property.c' line='481' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_string_helper'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='481' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='482' column='1'/>
+ <parameter type-id='7d3cd834' name='out_strs' filepath='drivers/of/property.c' line='482' column='1'/>
+ <parameter type-id='b59d7dce' name='sz' filepath='drivers/of/property.c' line='483' column='1'/>
+ <parameter type-id='95e97e5e' name='skip' filepath='drivers/of/property.c' line='483' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_u32_index' mangled-name='of_property_read_u32_index' filepath='drivers/of/property.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_u32_index'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='138' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='139' column='1'/>
+ <parameter type-id='19c2251e' name='index' filepath='drivers/of/property.c' line='140' column='1'/>
+ <parameter type-id='f9409001' name='out_value' filepath='drivers/of/property.c' line='140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_u64' mangled-name='of_property_read_u64' filepath='drivers/of/property.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_u64'>
+ <parameter type-id='0afa6ea3' name='np' filepath='drivers/of/property.c' line='340' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='340' column='1'/>
+ <parameter type-id='3df9fd28' name='out_value' filepath='drivers/of/property.c' line='341' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='171' column='1'/>
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+ <parameter type-id='3df9fd28' name='out_value' filepath='drivers/of/property.c' line='172' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_variable_u16_array' mangled-name='of_property_read_variable_u16_array' filepath='drivers/of/property.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u16_array'>
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+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='257' column='1'/>
+ <parameter type-id='26d4d46f' name='out_values' filepath='drivers/of/property.c' line='257' column='1'/>
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+ <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='258' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_variable_u32_array' mangled-name='of_property_read_variable_u32_array' filepath='drivers/of/property.c' line='301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u32_array'>
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+ <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='303' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_variable_u64_array' mangled-name='of_property_read_variable_u64_array' filepath='drivers/of/property.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u64_array'>
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+ <parameter type-id='3df9fd28' name='out_values' filepath='drivers/of/property.c' line='376' column='1'/>
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+ <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='377' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_property_read_variable_u8_array' mangled-name='of_property_read_variable_u8_array' filepath='drivers/of/property.c' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_property_read_variable_u8_array'>
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+ <parameter type-id='80f4b756' name='propname' filepath='drivers/of/property.c' line='209' column='1'/>
+ <parameter type-id='8bff8096' name='out_values' filepath='drivers/of/property.c' line='209' column='1'/>
+ <parameter type-id='b59d7dce' name='sz_min' filepath='drivers/of/property.c' line='210' column='1'/>
+ <parameter type-id='b59d7dce' name='sz_max' filepath='drivers/of/property.c' line='210' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_pwm_xlate_with_flags' mangled-name='of_pwm_xlate_with_flags' filepath='drivers/pwm/core.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_pwm_xlate_with_flags'>
+ <parameter type-id='00cf0c80' name='pc' filepath='drivers/pwm/core.c' line='135' column='1'/>
+ <parameter type-id='af02a266' name='args' filepath='drivers/pwm/core.c' line='135' column='1'/>
+ <return type-id='f06adae0'/>
+ </function-decl>
+ <function-decl name='of_regulator_match' mangled-name='of_regulator_match' filepath='drivers/regulator/of_regulator.c' line='325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_regulator_match'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/regulator/of_regulator.c' line='325' column='1'/>
+ <parameter type-id='9a537bbe' name='node' filepath='drivers/regulator/of_regulator.c' line='325' column='1'/>
+ <parameter type-id='7353ff84' name='matches' filepath='drivers/regulator/of_regulator.c' line='326' column='1'/>
+ <parameter type-id='f0981eeb' name='num_matches' filepath='drivers/regulator/of_regulator.c' line='327' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_remove_property' mangled-name='of_remove_property' filepath='drivers/of/base.c' line='1849' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_remove_property'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/base.c' line='1849' column='1'/>
+ <parameter type-id='ddcd89c6' name='prop' filepath='drivers/of/base.c' line='1849' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_reserved_mem_device_init_by_idx' mangled-name='of_reserved_mem_device_init_by_idx' filepath='drivers/of/of_reserved_mem.c' line='321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_reserved_mem_device_init_by_idx'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/of_reserved_mem.c' line='321' column='1'/>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_reserved_mem.c' line='322' column='1'/>
+ <parameter type-id='95e97e5e' name='idx' filepath='drivers/of/of_reserved_mem.c' line='322' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_reserved_mem_device_release' mangled-name='of_reserved_mem_device_release' filepath='drivers/of/of_reserved_mem.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_reserved_mem_device_release'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/of/of_reserved_mem.c' line='395' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='of_reserved_mem_lookup' mangled-name='of_reserved_mem_lookup' filepath='drivers/of/of_reserved_mem.c' line='425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_reserved_mem_lookup'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/of/of_reserved_mem.c' line='425' column='1'/>
+ <return type-id='f7f718cb'/>
+ </function-decl>
+ <function-decl name='of_reset_control_array_get' mangled-name='of_reset_control_array_get' filepath='drivers/reset/core.c' line='873' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_reset_control_array_get'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/reset/core.c' line='873' column='1'/>
+ <parameter type-id='b50a4934' name='shared' filepath='drivers/reset/core.c' line='873' column='1'/>
+ <parameter type-id='b50a4934' name='optional' filepath='drivers/reset/core.c' line='873' column='1'/>
+ <parameter type-id='b50a4934' name='acquired' filepath='drivers/reset/core.c' line='874' column='1'/>
+ <return type-id='9f9b8114'/>
+ </function-decl>
+ <var-decl name='of_root' type-id='9a537bbe' mangled-name='of_root' visibility='default' filepath='drivers/of/base.c' line='36' column='1' elf-symbol-id='of_root'/>
+ <function-decl name='of_thermal_get_ntrips' mangled-name='of_thermal_get_ntrips' filepath='drivers/thermal/thermal_of.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_thermal_get_ntrips'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_of.c' line='119' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='of_thermal_get_trip_points' mangled-name='of_thermal_get_trip_points' filepath='drivers/thermal/thermal_of.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_thermal_get_trip_points'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_of.c' line='162' column='1'/>
+ <return type-id='3837a2c7'/>
+ </function-decl>
+ <function-decl name='of_thermal_is_trip_valid' mangled-name='of_thermal_is_trip_valid' filepath='drivers/thermal/thermal_of.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_thermal_is_trip_valid'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_of.c' line='140' column='1'/>
+ <parameter type-id='95e97e5e' name='trip' filepath='drivers/thermal/thermal_of.c' line='140' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_translate_address' mangled-name='of_translate_address' filepath='drivers/of/address.c' line='613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_translate_address'>
+ <parameter type-id='9a537bbe' name='dev' filepath='drivers/of/address.c' line='613' column='1'/>
+ <parameter type-id='90144368' name='in_addr' filepath='drivers/of/address.c' line='613' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='of_usb_get_dr_mode_by_phy' mangled-name='of_usb_get_dr_mode_by_phy' filepath='drivers/usb/common/common.c' line='256' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_usb_get_dr_mode_by_phy'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/usb/common/common.c' line='256' column='1'/>
+ <parameter type-id='95e97e5e' name='arg0' filepath='drivers/usb/common/common.c' line='256' column='1'/>
+ <return type-id='d291aaf1'/>
+ </function-decl>
+ <function-decl name='of_usb_get_phy_mode' mangled-name='of_usb_get_phy_mode' filepath='drivers/usb/phy/of.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_usb_get_phy_mode'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/usb/phy/of.c' line='28' column='1'/>
+ <return type-id='46b5771e'/>
+ </function-decl>
+ <function-decl name='of_usb_host_tpl_support' mangled-name='of_usb_host_tpl_support' filepath='drivers/usb/common/common.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_usb_host_tpl_support'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/usb/common/common.c' line='308' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='of_usb_update_otg_caps' mangled-name='of_usb_update_otg_caps' filepath='drivers/usb/common/common.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='of_usb_update_otg_caps'>
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+ <parameter type-id='451a0588' name='otg_caps' filepath='drivers/usb/common/common.c' line='323' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='832' column='1'/>
+ <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='832' column='1'/>
+ <parameter type-id='95e97e5e' name='wait' filepath='kernel/smp.c' line='832' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='on_each_cpu_cond' mangled-name='on_each_cpu_cond' filepath='kernel/smp.c' line='916' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='on_each_cpu_cond'>
+ <parameter type-id='82fddac3' name='cond_func' filepath='kernel/smp.c' line='916' column='1'/>
+ <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='916' column='1'/>
+ <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='917' column='1'/>
+ <parameter type-id='b50a4934' name='wait' filepath='kernel/smp.c' line='917' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <function-decl name='open_candev' mangled-name='open_candev' filepath='drivers/net/can/dev/dev.c' line='848' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='open_candev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='848' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='orderly_poweroff' mangled-name='orderly_poweroff' filepath='kernel/reboot.c' line='496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='orderly_poweroff'>
+ <parameter type-id='b50a4934' name='force' filepath='kernel/reboot.c' line='496' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='out_of_line_wait_on_bit_timeout' mangled-name='out_of_line_wait_on_bit_timeout' filepath='kernel/sched/wait_bit.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='out_of_line_wait_on_bit_timeout'>
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+ <parameter type-id='95e97e5e' name='bit' filepath='kernel/sched/wait_bit.c' line='69' column='1'/>
+ <parameter type-id='50c74428' name='action' filepath='kernel/sched/wait_bit.c' line='69' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait_bit.c' line='70' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/wait_bit.c' line='70' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <function-decl name='page_endio' mangled-name='page_endio' filepath='mm/filemap.c' line='1516' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='page_endio'>
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+ <return type-id='48b5725f'/>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='b99d5f36' name='prdev' filepath='mm/page_reporting.c' line='349' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ </function-decl>
+ <var-decl name='param_ops_bint' type-id='95d0d4e8' mangled-name='param_ops_bint' visibility='default' filepath='kernel/params.c' line='387' column='1' elf-symbol-id='param_ops_bint'/>
+ <var-decl name='param_ops_bool' type-id='95d0d4e8' mangled-name='param_ops_bool' visibility='default' filepath='kernel/params.c' line='306' column='1' elf-symbol-id='param_ops_bool'/>
+ <var-decl name='param_ops_byte' type-id='95d0d4e8' mangled-name='param_ops_byte' visibility='default' filepath='kernel/params.c' line='236' column='1' elf-symbol-id='param_ops_byte'/>
+ <var-decl name='param_ops_charp' type-id='95d0d4e8' mangled-name='param_ops_charp' visibility='default' filepath='kernel/params.c' line='281' column='1' elf-symbol-id='param_ops_charp'/>
+ <var-decl name='param_ops_hexint' type-id='95d0d4e8' mangled-name='param_ops_hexint' visibility='default' filepath='kernel/params.c' line='244' column='1' elf-symbol-id='param_ops_hexint'/>
+ <var-decl name='param_ops_int' type-id='95d0d4e8' mangled-name='param_ops_int' visibility='default' filepath='kernel/params.c' line='239' column='1' elf-symbol-id='param_ops_int'/>
+ <var-decl name='param_ops_long' type-id='95d0d4e8' mangled-name='param_ops_long' visibility='default' filepath='kernel/params.c' line='241' column='1' elf-symbol-id='param_ops_long'/>
+ <var-decl name='param_ops_short' type-id='95d0d4e8' mangled-name='param_ops_short' visibility='default' filepath='kernel/params.c' line='237' column='1' elf-symbol-id='param_ops_short'/>
+ <var-decl name='param_ops_string' type-id='95d0d4e8' mangled-name='param_ops_string' visibility='default' filepath='kernel/params.c' line='513' column='1' elf-symbol-id='param_ops_string'/>
+ <var-decl name='param_ops_uint' type-id='95d0d4e8' mangled-name='param_ops_uint' visibility='default' filepath='kernel/params.c' line='240' column='1' elf-symbol-id='param_ops_uint'/>
+ <var-decl name='param_ops_ullong' type-id='95d0d4e8' mangled-name='param_ops_ullong' visibility='default' filepath='kernel/params.c' line='243' column='1' elf-symbol-id='param_ops_ullong'/>
+ <var-decl name='param_ops_ulong' type-id='95d0d4e8' mangled-name='param_ops_ulong' visibility='default' filepath='kernel/params.c' line='242' column='1' elf-symbol-id='param_ops_ulong'/>
+ <var-decl name='param_ops_ushort' type-id='95d0d4e8' mangled-name='param_ops_ushort' visibility='default' filepath='kernel/params.c' line='238' column='1' elf-symbol-id='param_ops_ushort'/>
+ <function-decl name='param_set_bool' mangled-name='param_set_bool' filepath='kernel/params.c' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_bool'>
+ <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='289' column='1'/>
+ <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='289' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='param_set_charp' mangled-name='param_set_charp' filepath='kernel/params.c' line='246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_charp'>
+ <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='246' column='1'/>
+ <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='246' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='param_set_copystring' mangled-name='param_set_copystring' filepath='kernel/params.c' line='492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_copystring'>
+ <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='492' column='1'/>
+ <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='492' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='param_set_int' mangled-name='param_set_int' filepath='kernel/params.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_int'>
+ <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='239' column='1'/>
+ <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='239' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='param_set_uint' mangled-name='param_set_uint' filepath='kernel/params.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_uint'>
+ <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='240' column='1'/>
+ <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='240' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='param_set_ulong' mangled-name='param_set_ulong' filepath='kernel/params.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='param_set_ulong'>
+ <parameter type-id='80f4b756' name='val' filepath='kernel/params.c' line='242' column='1'/>
+ <parameter type-id='edcbd723' name='kp' filepath='kernel/params.c' line='242' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='part_end_io_acct' mangled-name='part_end_io_acct' filepath='block/blk-core.c' line='1377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='part_end_io_acct'>
+ <parameter type-id='84dc82b7' name='part' filepath='block/blk-core.c' line='1377' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/blk-core.c' line='1377' column='1'/>
+ <parameter type-id='7359adad' name='start_time' filepath='block/blk-core.c' line='1378' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='part_start_io_acct' mangled-name='part_start_io_acct' filepath='block/blk-core.c' line='1347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='part_start_io_acct'>
+ <parameter type-id='33c599da' name='disk' filepath='block/blk-core.c' line='1347' column='1'/>
+ <parameter type-id='c4219d27' name='part' filepath='block/blk-core.c' line='1347' column='1'/>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/blk-core.c' line='1348' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='passthru_features_check' mangled-name='passthru_features_check' filepath='net/core/dev.c' line='3499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='passthru_features_check'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3499' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='3500' column='1'/>
+ <parameter type-id='f9f4b16f' name='features' filepath='net/core/dev.c' line='3501' column='1'/>
+ <return type-id='f9f4b16f'/>
+ </function-decl>
+ <function-decl name='path_put' mangled-name='path_put' filepath='fs/namei.c' line='497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='path_put'>
+ <parameter type-id='a77efac3' name='path' filepath='fs/namei.c' line='497' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pause_cpus' mangled-name='pause_cpus' filepath='kernel/cpu.c' line='1218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pause_cpus'>
+ <parameter type-id='74bccedd' name='cpus' filepath='kernel/cpu.c' line='1218' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_aer_clear_nonfatal_status' mangled-name='pci_aer_clear_nonfatal_status' filepath='drivers/pci/pcie/aer.c' line='249' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_aer_clear_nonfatal_status'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pcie/aer.c' line='249' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_alloc_irq_vectors_affinity' mangled-name='pci_alloc_irq_vectors_affinity' filepath='drivers/pci/msi.c' line='1224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_alloc_irq_vectors_affinity'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1224' column='1'/>
+ <parameter type-id='f0981eeb' name='min_vecs' filepath='drivers/pci/msi.c' line='1224' column='1'/>
+ <parameter type-id='f0981eeb' name='max_vecs' filepath='drivers/pci/msi.c' line='1225' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='drivers/pci/msi.c' line='1225' column='1'/>
+ <parameter type-id='8a876638' name='affd' filepath='drivers/pci/msi.c' line='1226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_assign_resource' mangled-name='pci_assign_resource' filepath='drivers/pci/setup-res.c' line='310' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_assign_resource'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/setup-res.c' line='310' column='1'/>
+ <parameter type-id='95e97e5e' name='resno' filepath='drivers/pci/setup-res.c' line='310' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_assign_unassigned_bus_resources' mangled-name='pci_assign_unassigned_bus_resources' filepath='drivers/pci/setup-bus.c' line='2228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_assign_unassigned_bus_resources'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/setup-bus.c' line='2228' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_bus_resource_n' mangled-name='pci_bus_resource_n' filepath='drivers/pci/bus.c' line='63' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_bus_resource_n'>
+ <parameter type-id='b425394d' name='bus' filepath='drivers/pci/bus.c' line='63' column='1'/>
+ <parameter type-id='95e97e5e' name='n' filepath='drivers/pci/bus.c' line='63' column='1'/>
+ <return type-id='c9d64c0d'/>
+ </function-decl>
+ <var-decl name='pci_bus_type' type-id='b31bfc8a' mangled-name='pci_bus_type' visibility='default' filepath='drivers/pci/pci-driver.c' line='1598' column='1' elf-symbol-id='pci_bus_type'/>
+ <function-decl name='pci_choose_state' mangled-name='pci_choose_state' filepath='drivers/pci/pci.c' line='1373' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_choose_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1373' column='1'/>
+ <parameter type-id='08496218' name='state' filepath='drivers/pci/pci.c' line='1373' column='1'/>
+ <return type-id='49c32219'/>
+ </function-decl>
+ <function-decl name='pci_clear_master' mangled-name='pci_clear_master' filepath='drivers/pci/pci.c' line='4309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_clear_master'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4309' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_d3cold_disable' mangled-name='pci_d3cold_disable' filepath='drivers/pci/pci.c' line='3001' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_d3cold_disable'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='3001' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_dev_present' mangled-name='pci_dev_present' filepath='drivers/pci/search.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_dev_present'>
+ <parameter type-id='92fc8aa5' name='ids' filepath='drivers/pci/search.c' line='380' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_dev_put' mangled-name='pci_dev_put' filepath='drivers/pci/pci-driver.c' line='1491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_dev_put'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci-driver.c' line='1491' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_device_group' mangled-name='pci_device_group' filepath='drivers/iommu/iommu.c' line='1389' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_device_group'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='1389' column='1'/>
+ <return type-id='0b19fc54'/>
+ </function-decl>
+ <function-decl name='pci_device_is_present' mangled-name='pci_device_is_present' filepath='drivers/pci/pci.c' line='6146' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_device_is_present'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='6146' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='pci_disable_device' mangled-name='pci_disable_device' filepath='drivers/pci/pci.c' line='2145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_device'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='2145' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_disable_msi' mangled-name='pci_disable_msi' filepath='drivers/pci/msi.c' line='977' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_msi'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='977' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_disable_msix' mangled-name='pci_disable_msix' filepath='drivers/pci/msi.c' line='1064' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_msix'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1064' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_disable_pcie_error_reporting' mangled-name='pci_disable_pcie_error_reporting' filepath='drivers/pci/pcie/aer.c' line='237' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_pcie_error_reporting'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pcie/aer.c' line='237' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_disable_sriov' mangled-name='pci_disable_sriov' filepath='drivers/pci/iov.c' line='943' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_disable_sriov'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='943' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_enable_atomic_ops_to_root' mangled-name='pci_enable_atomic_ops_to_root' filepath='drivers/pci/pci.c' line='3663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_atomic_ops_to_root'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='3663' column='1'/>
+ <parameter type-id='19c2251e' name='cap_mask' filepath='drivers/pci/pci.c' line='3663' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_enable_device' mangled-name='pci_enable_device' filepath='drivers/pci/pci.c' line='1952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_device'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1952' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_enable_device_mem' mangled-name='pci_enable_device_mem' filepath='drivers/pci/pci.c' line='1935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_device_mem'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1935' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_enable_msi' mangled-name='pci_enable_msi' filepath='drivers/pci/msi.c' line='1142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_msi'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1142' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_enable_msix_range' mangled-name='pci_enable_msix_range' filepath='drivers/pci/msi.c' line='1199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_msix_range'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1199' column='1'/>
+ <parameter type-id='682fb763' name='entries' filepath='drivers/pci/msi.c' line='1199' column='1'/>
+ <parameter type-id='95e97e5e' name='minvec' filepath='drivers/pci/msi.c' line='1200' column='1'/>
+ <parameter type-id='95e97e5e' name='maxvec' filepath='drivers/pci/msi.c' line='1200' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_enable_pcie_error_reporting' mangled-name='pci_enable_pcie_error_reporting' filepath='drivers/pci/pcie/aer.c' line='225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_pcie_error_reporting'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pcie/aer.c' line='225' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_enable_sriov' mangled-name='pci_enable_sriov' filepath='drivers/pci/iov.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_sriov'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='928' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_virtfn' filepath='drivers/pci/iov.c' line='928' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_enable_wake' mangled-name='pci_enable_wake' filepath='drivers/pci/pci.c' line='2509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_enable_wake'>
+ <parameter type-id='85196e3f' name='pci_dev' filepath='drivers/pci/pci.c' line='2509' column='1'/>
+ <parameter type-id='49c32219' name='state' filepath='drivers/pci/pci.c' line='2509' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/pci/pci.c' line='2509' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_epc_clear_bar' mangled-name='pci_epc_clear_bar' filepath='drivers/pci/endpoint/pci-epc-core.c' line='411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_epc_clear_bar'>
+ <parameter type-id='108dbc98' name='epc' filepath='drivers/pci/endpoint/pci-epc-core.c' line='411' column='1'/>
+ <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/endpoint/pci-epc-core.c' line='411' column='1'/>
+ <parameter type-id='0f1b379b' name='epf_bar' filepath='drivers/pci/endpoint/pci-epc-core.c' line='412' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_epc_map_addr' mangled-name='pci_epc_map_addr' filepath='drivers/pci/endpoint/pci-epc-core.c' line='384' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_epc_map_addr'>
+ <parameter type-id='108dbc98' name='epc' filepath='drivers/pci/endpoint/pci-epc-core.c' line='384' column='1'/>
+ <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/endpoint/pci-epc-core.c' line='384' column='1'/>
+ <parameter type-id='2522883d' name='phys_addr' filepath='drivers/pci/endpoint/pci-epc-core.c' line='385' column='1'/>
+ <parameter type-id='91ce1af9' name='pci_addr' filepath='drivers/pci/endpoint/pci-epc-core.c' line='385' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/pci/endpoint/pci-epc-core.c' line='385' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_epc_mem_alloc_addr' mangled-name='pci_epc_mem_alloc_addr' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_epc_mem_alloc_addr'>
+ <parameter type-id='108dbc98' name='epc' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='168' column='1'/>
+ <parameter type-id='ff752d64' name='phys_addr' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='169' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='169' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='pci_epc_mem_free_addr' mangled-name='pci_epc_mem_free_addr' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_epc_mem_free_addr'>
+ <parameter type-id='108dbc98' name='epc' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='234' column='1'/>
+ <parameter type-id='2522883d' name='phys_addr' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='234' column='1'/>
+ <parameter type-id='eaa32e2f' name='virt_addr' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='235' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/pci/endpoint/pci-epc-mem.c' line='235' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_epc_set_bar' mangled-name='pci_epc_set_bar' filepath='drivers/pci/endpoint/pci-epc-core.c' line='436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_epc_set_bar'>
+ <parameter type-id='108dbc98' name='epc' filepath='drivers/pci/endpoint/pci-epc-core.c' line='436' column='1'/>
+ <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/endpoint/pci-epc-core.c' line='436' column='1'/>
+ <parameter type-id='0f1b379b' name='epf_bar' filepath='drivers/pci/endpoint/pci-epc-core.c' line='437' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_epc_unmap_addr' mangled-name='pci_epc_unmap_addr' filepath='drivers/pci/endpoint/pci-epc-core.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_epc_unmap_addr'>
+ <parameter type-id='108dbc98' name='epc' filepath='drivers/pci/endpoint/pci-epc-core.c' line='359' column='1'/>
+ <parameter type-id='f9b06939' name='func_no' filepath='drivers/pci/endpoint/pci-epc-core.c' line='359' column='1'/>
+ <parameter type-id='2522883d' name='phys_addr' filepath='drivers/pci/endpoint/pci-epc-core.c' line='360' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_find_bus' mangled-name='pci_find_bus' filepath='drivers/pci/search.c' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_bus'>
+ <parameter type-id='95e97e5e' name='domain' filepath='drivers/pci/search.c' line='141' column='1'/>
+ <parameter type-id='95e97e5e' name='busnr' filepath='drivers/pci/search.c' line='141' column='1'/>
+ <return type-id='d1feb554'/>
+ </function-decl>
+ <function-decl name='pci_find_capability' mangled-name='pci_find_capability' filepath='drivers/pci/pci.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_capability'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='487' column='1'/>
+ <parameter type-id='95e97e5e' name='cap' filepath='drivers/pci/pci.c' line='487' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_find_ext_capability' mangled-name='pci_find_ext_capability' filepath='drivers/pci/pci.c' line='593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_ext_capability'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='593' column='1'/>
+ <parameter type-id='95e97e5e' name='cap' filepath='drivers/pci/pci.c' line='593' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_find_next_capability' mangled-name='pci_find_next_capability' filepath='drivers/pci/pci.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_find_next_capability'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='441' column='1'/>
+ <parameter type-id='f9b06939' name='pos' filepath='drivers/pci/pci.c' line='441' column='1'/>
+ <parameter type-id='95e97e5e' name='cap' filepath='drivers/pci/pci.c' line='441' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_free_irq' mangled-name='pci_free_irq' filepath='drivers/pci/irq.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_free_irq'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/irq.c' line='70' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='drivers/pci/irq.c' line='70' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='drivers/pci/irq.c' line='70' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_free_irq_vectors' mangled-name='pci_free_irq_vectors' filepath='drivers/pci/msi.c' line='1277' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_free_irq_vectors'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1277' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_generic_config_read' mangled-name='pci_generic_config_read' filepath='drivers/pci/access.c' line='77' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_generic_config_read'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/access.c' line='77' column='1'/>
+ <parameter type-id='f0981eeb' name='devfn' filepath='drivers/pci/access.c' line='77' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='78' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='drivers/pci/access.c' line='78' column='1'/>
+ <parameter type-id='f9409001' name='val' filepath='drivers/pci/access.c' line='78' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_generic_config_write' mangled-name='pci_generic_config_write' filepath='drivers/pci/access.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_generic_config_write'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/access.c' line='99' column='1'/>
+ <parameter type-id='f0981eeb' name='devfn' filepath='drivers/pci/access.c' line='99' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='100' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='drivers/pci/access.c' line='100' column='1'/>
+ <parameter type-id='19c2251e' name='val' filepath='drivers/pci/access.c' line='100' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_get_device' mangled-name='pci_get_device' filepath='drivers/pci/search.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_get_device'>
+ <parameter type-id='f0981eeb' name='vendor' filepath='drivers/pci/search.c' line='333' column='1'/>
+ <parameter type-id='f0981eeb' name='device' filepath='drivers/pci/search.c' line='333' column='1'/>
+ <parameter type-id='85196e3f' name='from' filepath='drivers/pci/search.c' line='334' column='1'/>
+ <return type-id='85196e3f'/>
+ </function-decl>
+ <function-decl name='pci_get_domain_bus_and_slot' mangled-name='pci_get_domain_bus_and_slot' filepath='drivers/pci/search.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_get_domain_bus_and_slot'>
+ <parameter type-id='95e97e5e' name='domain' filepath='drivers/pci/search.c' line='230' column='1'/>
+ <parameter type-id='f0981eeb' name='bus' filepath='drivers/pci/search.c' line='230' column='1'/>
+ <parameter type-id='f0981eeb' name='devfn' filepath='drivers/pci/search.c' line='231' column='1'/>
+ <return type-id='85196e3f'/>
+ </function-decl>
+ <function-decl name='pci_get_slot' mangled-name='pci_get_slot' filepath='drivers/pci/search.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_get_slot'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/search.c' line='195' column='1'/>
+ <parameter type-id='f0981eeb' name='devfn' filepath='drivers/pci/search.c' line='195' column='1'/>
+ <return type-id='85196e3f'/>
+ </function-decl>
+ <function-decl name='pci_host_probe' mangled-name='pci_host_probe' filepath='drivers/pci/probe.c' line='3005' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_host_probe'>
+ <parameter type-id='cb0dbc3c' name='bridge' filepath='drivers/pci/probe.c' line='3005' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_intx' mangled-name='pci_intx' filepath='drivers/pci/pci.c' line='4451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_intx'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='4451' column='1'/>
+ <parameter type-id='95e97e5e' name='enable' filepath='drivers/pci/pci.c' line='4451' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_iomap' mangled-name='pci_iomap' filepath='lib/pci_iomap.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_iomap'>
+ <parameter type-id='85196e3f' name='dev' filepath='lib/pci_iomap.c' line='111' column='1'/>
+ <parameter type-id='95e97e5e' name='bar' filepath='lib/pci_iomap.c' line='111' column='1'/>
+ <parameter type-id='7359adad' name='maxlen' filepath='lib/pci_iomap.c' line='111' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='pci_iomap_range' mangled-name='pci_iomap_range' filepath='lib/pci_iomap.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_iomap_range'>
+ <parameter type-id='85196e3f' name='dev' filepath='lib/pci_iomap.c' line='28' column='1'/>
+ <parameter type-id='95e97e5e' name='bar' filepath='lib/pci_iomap.c' line='29' column='1'/>
+ <parameter type-id='7359adad' name='offset' filepath='lib/pci_iomap.c' line='30' column='1'/>
+ <parameter type-id='7359adad' name='maxlen' filepath='lib/pci_iomap.c' line='31' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='pci_ioremap_bar' mangled-name='pci_ioremap_bar' filepath='drivers/pci/pci.c' line='216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_ioremap_bar'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='216' column='1'/>
+ <parameter type-id='95e97e5e' name='bar' filepath='drivers/pci/pci.c' line='216' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='pci_irq_get_affinity' mangled-name='pci_irq_get_affinity' filepath='drivers/pci/msi.c' line='1323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_irq_get_affinity'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1323' column='1'/>
+ <parameter type-id='95e97e5e' name='nr' filepath='drivers/pci/msi.c' line='1323' column='1'/>
+ <return type-id='5f8a1ac4'/>
+ </function-decl>
+ <function-decl name='pci_irq_vector' mangled-name='pci_irq_vector' filepath='drivers/pci/msi.c' line='1289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_irq_vector'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='1289' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='drivers/pci/msi.c' line='1289' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_load_and_free_saved_state' mangled-name='pci_load_and_free_saved_state' filepath='drivers/pci/pci.c' line='1792' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_load_and_free_saved_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1792' column='1'/>
+ <parameter type-id='6efc6709' name='state' filepath='drivers/pci/pci.c' line='1793' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_load_saved_state' mangled-name='pci_load_saved_state' filepath='drivers/pci/pci.c' line='1755' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_load_saved_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1755' column='1'/>
+ <parameter type-id='e4acc659' name='state' filepath='drivers/pci/pci.c' line='1756' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_map_rom' mangled-name='pci_map_rom' filepath='drivers/pci/rom.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_map_rom'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/rom.c' line='136' column='1'/>
+ <parameter type-id='78c01427' name='size' filepath='drivers/pci/rom.c' line='136' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='pci_match_id' mangled-name='pci_match_id' filepath='drivers/pci/pci-driver.c' line='223' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_match_id'>
+ <parameter type-id='92fc8aa5' name='ids' filepath='drivers/pci/pci-driver.c' line='223' column='1'/>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci-driver.c' line='224' column='1'/>
+ <return type-id='92fc8aa5'/>
+ </function-decl>
+ <function-decl name='pci_msi_create_irq_domain' mangled-name='pci_msi_create_irq_domain' filepath='drivers/pci/msi.c' line='1492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_msi_create_irq_domain'>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/pci/msi.c' line='1492' column='1'/>
+ <parameter type-id='a9bcccf8' name='info' filepath='drivers/pci/msi.c' line='1493' column='1'/>
+ <parameter type-id='7544e824' name='parent' filepath='drivers/pci/msi.c' line='1494' column='1'/>
+ <return type-id='7544e824'/>
+ </function-decl>
+ <function-decl name='pci_msi_enabled' mangled-name='pci_msi_enabled' filepath='drivers/pci/msi.c' line='1085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_msi_enabled'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_msi_mask_irq' mangled-name='pci_msi_mask_irq' filepath='drivers/pci/msi.c' line='253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_msi_mask_irq'>
+ <parameter type-id='1c475548' name='data' filepath='drivers/pci/msi.c' line='253' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_msi_unmask_irq' mangled-name='pci_msi_unmask_irq' filepath='drivers/pci/msi.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_msi_unmask_irq'>
+ <parameter type-id='1c475548' name='data' filepath='drivers/pci/msi.c' line='263' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_msix_vec_count' mangled-name='pci_msix_vec_count' filepath='drivers/pci/msi.c' line='995' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_msix_vec_count'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='995' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_num_vf' mangled-name='pci_num_vf' filepath='drivers/pci/iov.c' line='960' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_num_vf'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='960' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_read_config_byte' mangled-name='pci_read_config_byte' filepath='drivers/pci/access.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_read_config_byte'>
+ <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='523' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='523' column='1'/>
+ <parameter type-id='8bff8096' name='val' filepath='drivers/pci/access.c' line='523' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_read_config_dword' mangled-name='pci_read_config_dword' filepath='drivers/pci/access.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_read_config_dword'>
+ <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='543' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='543' column='1'/>
+ <parameter type-id='f9409001' name='val' filepath='drivers/pci/access.c' line='544' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_read_config_word' mangled-name='pci_read_config_word' filepath='drivers/pci/access.c' line='533' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_read_config_word'>
+ <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='533' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='533' column='1'/>
+ <parameter type-id='26d4d46f' name='val' filepath='drivers/pci/access.c' line='533' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_release_region' mangled-name='pci_release_region' filepath='drivers/pci/pci.c' line='3795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_release_region'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3795' column='1'/>
+ <parameter type-id='95e97e5e' name='bar' filepath='drivers/pci/pci.c' line='3795' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_release_regions' mangled-name='pci_release_regions' filepath='drivers/pci/pci.c' line='3953' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_release_regions'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3953' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_release_resource' mangled-name='pci_release_resource' filepath='drivers/pci/setup-res.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_release_resource'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/setup-res.c' line='394' column='1'/>
+ <parameter type-id='95e97e5e' name='resno' filepath='drivers/pci/setup-res.c' line='394' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_release_selected_regions' mangled-name='pci_release_selected_regions' filepath='drivers/pci/pci.c' line='3892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_release_selected_regions'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3892' column='1'/>
+ <parameter type-id='95e97e5e' name='bars' filepath='drivers/pci/pci.c' line='3892' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_remove_root_bus' mangled-name='pci_remove_root_bus' filepath='drivers/pci/remove.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_remove_root_bus'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/remove.c' line='147' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_request_irq' mangled-name='pci_request_irq' filepath='drivers/pci/irq.c' line='33' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_irq'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/irq.c' line='33' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='drivers/pci/irq.c' line='33' column='1'/>
+ <parameter type-id='29591c9a' name='handler' filepath='drivers/pci/irq.c' line='33' column='1'/>
+ <parameter type-id='29591c9a' name='thread_fn' filepath='drivers/pci/irq.c' line='34' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='drivers/pci/irq.c' line='34' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/pci/irq.c' line='34' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_request_region' mangled-name='pci_request_region' filepath='drivers/pci/pci.c' line='3878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_region'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3878' column='1'/>
+ <parameter type-id='95e97e5e' name='bar' filepath='drivers/pci/pci.c' line='3878' column='1'/>
+ <parameter type-id='80f4b756' name='res_name' filepath='drivers/pci/pci.c' line='3878' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_request_regions' mangled-name='pci_request_regions' filepath='drivers/pci/pci.c' line='3972' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_regions'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3972' column='1'/>
+ <parameter type-id='80f4b756' name='res_name' filepath='drivers/pci/pci.c' line='3972' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_request_selected_regions' mangled-name='pci_request_selected_regions' filepath='drivers/pci/pci.c' line='3928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_request_selected_regions'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='3928' column='1'/>
+ <parameter type-id='95e97e5e' name='bars' filepath='drivers/pci/pci.c' line='3928' column='1'/>
+ <parameter type-id='80f4b756' name='res_name' filepath='drivers/pci/pci.c' line='3929' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_rescan_bus' mangled-name='pci_rescan_bus' filepath='drivers/pci/probe.c' line='3226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_rescan_bus'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/probe.c' line='3226' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='pci_reset_function' mangled-name='pci_reset_function' filepath='drivers/pci/pci.c' line='5151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_reset_function'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5151' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_resize_resource' mangled-name='pci_resize_resource' filepath='drivers/pci/setup-res.c' line='410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_resize_resource'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/setup-res.c' line='410' column='1'/>
+ <parameter type-id='95e97e5e' name='resno' filepath='drivers/pci/setup-res.c' line='410' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='drivers/pci/setup-res.c' line='410' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_restore_msi_state' mangled-name='pci_restore_msi_state' filepath='drivers/pci/msi.c' line='475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_restore_msi_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/msi.c' line='475' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_restore_state' mangled-name='pci_restore_state' filepath='drivers/pci/pci.c' line='1669' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_restore_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1669' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_save_state' mangled-name='pci_save_state' filepath='drivers/pci/pci.c' line='1554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_save_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1554' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_select_bars' mangled-name='pci_select_bars' filepath='drivers/pci/pci.c' line='5993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_select_bars'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5993' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='drivers/pci/pci.c' line='5993' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_set_master' mangled-name='pci_set_master' filepath='drivers/pci/pci.c' line='4298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_set_master'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4298' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_set_mwi' mangled-name='pci_set_mwi' filepath='drivers/pci/pci.c' line='4361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_set_mwi'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4361' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_set_power_state' mangled-name='pci_set_power_state' filepath='drivers/pci/pci.c' line='1313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_set_power_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1313' column='1'/>
+ <parameter type-id='49c32219' name='state' filepath='drivers/pci/pci.c' line='1313' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_sriov_configure_simple' mangled-name='pci_sriov_configure_simple' filepath='drivers/pci/iov.c' line='1066' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_sriov_configure_simple'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='1066' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_virtfn' filepath='drivers/pci/iov.c' line='1066' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_stop_root_bus' mangled-name='pci_stop_root_bus' filepath='drivers/pci/remove.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_stop_root_bus'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/remove.c' line='129' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_store_saved_state' mangled-name='pci_store_saved_state' filepath='drivers/pci/pci.c' line='1716' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_store_saved_state'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='1716' column='1'/>
+ <return type-id='e4acc659'/>
+ </function-decl>
+ <function-decl name='pci_try_set_mwi' mangled-name='pci_try_set_mwi' filepath='drivers/pci/pci.c' line='4414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_try_set_mwi'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='4414' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_unmap_rom' mangled-name='pci_unmap_rom' filepath='drivers/pci/rom.c' line='187' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_unmap_rom'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/rom.c' line='187' column='1'/>
+ <parameter type-id='eaa32e2f' name='rom' filepath='drivers/pci/rom.c' line='187' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_unregister_driver' mangled-name='pci_unregister_driver' filepath='drivers/pci/pci-driver.c' line='1406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_unregister_driver'>
+ <parameter type-id='85b59624' name='drv' filepath='drivers/pci/pci-driver.c' line='1406' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_vfs_assigned' mangled-name='pci_vfs_assigned' filepath='drivers/pci/iov.c' line='976' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_vfs_assigned'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/iov.c' line='976' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_wake_from_d3' mangled-name='pci_wake_from_d3' filepath='drivers/pci/pci.c' line='2532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_wake_from_d3'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='2532' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/pci/pci.c' line='2532' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_walk_bus' mangled-name='pci_walk_bus' filepath='drivers/pci/bus.c' line='374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_walk_bus'>
+ <parameter type-id='d1feb554' name='top' filepath='drivers/pci/bus.c' line='374' column='1'/>
+ <parameter type-id='82fb5c77' name='cb' filepath='drivers/pci/bus.c' line='374' column='1'/>
+ <parameter type-id='eaa32e2f' name='userdata' filepath='drivers/pci/bus.c' line='375' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pci_write_config_byte' mangled-name='pci_write_config_byte' filepath='drivers/pci/access.c' line='554' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_write_config_byte'>
+ <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='554' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='554' column='1'/>
+ <parameter type-id='f9b06939' name='val' filepath='drivers/pci/access.c' line='554' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_write_config_dword' mangled-name='pci_write_config_dword' filepath='drivers/pci/access.c' line='570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_write_config_dword'>
+ <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='570' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='570' column='1'/>
+ <parameter type-id='19c2251e' name='val' filepath='drivers/pci/access.c' line='571' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pci_write_config_word' mangled-name='pci_write_config_word' filepath='drivers/pci/access.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pci_write_config_word'>
+ <parameter type-id='947f31e6' name='dev' filepath='drivers/pci/access.c' line='562' column='1'/>
+ <parameter type-id='95e97e5e' name='where' filepath='drivers/pci/access.c' line='562' column='1'/>
+ <parameter type-id='1dc6a898' name='val' filepath='drivers/pci/access.c' line='562' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pcibios_resource_to_bus' mangled-name='pcibios_resource_to_bus' filepath='drivers/pci/host-bridge.c' line='50' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcibios_resource_to_bus'>
+ <parameter type-id='d1feb554' name='bus' filepath='drivers/pci/host-bridge.c' line='50' column='1'/>
+ <parameter type-id='e045254b' name='region' filepath='drivers/pci/host-bridge.c' line='50' column='1'/>
+ <parameter type-id='c9d64c0d' name='res' filepath='drivers/pci/host-bridge.c' line='51' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pcie_aspm_enabled' mangled-name='pcie_aspm_enabled' filepath='drivers/pci/pcie/aspm.c' line='1193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_aspm_enabled'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pcie/aspm.c' line='1193' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='pcie_bandwidth_available' mangled-name='pcie_bandwidth_available' filepath='drivers/pci/pci.c' line='5820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_bandwidth_available'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5820' column='1'/>
+ <parameter type-id='9c084b0f' name='limiting_dev' filepath='drivers/pci/pci.c' line='5820' column='1'/>
+ <parameter type-id='982c1b74' name='speed' filepath='drivers/pci/pci.c' line='5821' column='1'/>
+ <parameter type-id='d3ffb002' name='width' filepath='drivers/pci/pci.c' line='5822' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='pcie_capability_clear_and_set_word' mangled-name='pcie_capability_clear_and_set_word' filepath='drivers/pci/access.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_capability_clear_and_set_word'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/access.c' line='489' column='1'/>
+ <parameter type-id='95e97e5e' name='pos' filepath='drivers/pci/access.c' line='489' column='1'/>
+ <parameter type-id='1dc6a898' name='clear' filepath='drivers/pci/access.c' line='490' column='1'/>
+ <parameter type-id='1dc6a898' name='set' filepath='drivers/pci/access.c' line='490' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pcie_capability_read_word' mangled-name='pcie_capability_read_word' filepath='drivers/pci/access.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_capability_read_word'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/access.c' line='402' column='1'/>
+ <parameter type-id='95e97e5e' name='pos' filepath='drivers/pci/access.c' line='402' column='1'/>
+ <parameter type-id='26d4d46f' name='val' filepath='drivers/pci/access.c' line='402' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pcie_capability_write_word' mangled-name='pcie_capability_write_word' filepath='drivers/pci/access.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_capability_write_word'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/access.c' line='465' column='1'/>
+ <parameter type-id='95e97e5e' name='pos' filepath='drivers/pci/access.c' line='465' column='1'/>
+ <parameter type-id='1dc6a898' name='val' filepath='drivers/pci/access.c' line='465' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pcie_get_mps' mangled-name='pcie_get_mps' filepath='drivers/pci/pci.c' line='5768' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_get_mps'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5768' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pcie_get_speed_cap' mangled-name='pcie_get_speed_cap' filepath='drivers/pci/pci.c' line='5871' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_get_speed_cap'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5871' column='1'/>
+ <return type-id='f290f4ed'/>
+ </function-decl>
+ <function-decl name='pcie_set_mps' mangled-name='pcie_set_mps' filepath='drivers/pci/pci.c' line='5786' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcie_set_mps'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/pci/pci.c' line='5786' column='1'/>
+ <parameter type-id='95e97e5e' name='mps' filepath='drivers/pci/pci.c' line='5786' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pcim_enable_device' mangled-name='pcim_enable_device' filepath='drivers/pci/pci.c' line='2025' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcim_enable_device'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/pci/pci.c' line='2025' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pcpu_nr_pages' mangled-name='pcpu_nr_pages' filepath='mm/percpu.c' line='3167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pcpu_nr_pages'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='per_cpu_ptr_to_phys' mangled-name='per_cpu_ptr_to_phys' filepath='mm/percpu.c' line='2191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='per_cpu_ptr_to_phys'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='mm/percpu.c' line='2191' column='1'/>
+ <return type-id='2522883d'/>
+ </function-decl>
+ <function-decl name='percpu_down_write' mangled-name='percpu_down_write' filepath='kernel/locking/percpu-rwsem.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_down_write'>
+ <parameter type-id='652d9ef9' name='sem' filepath='kernel/locking/percpu-rwsem.c' line='214' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='percpu_ref_exit' mangled-name='percpu_ref_exit' filepath='lib/percpu-refcount.c' line='128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_ref_exit'>
+ <parameter type-id='60219102' name='ref' filepath='lib/percpu-refcount.c' line='128' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='percpu_ref_init' mangled-name='percpu_ref_init' filepath='lib/percpu-refcount.c' line='62' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_ref_init'>
+ <parameter type-id='60219102' name='ref' filepath='lib/percpu-refcount.c' line='62' column='1'/>
+ <parameter type-id='903b12fe' name='release' filepath='lib/percpu-refcount.c' line='62' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='lib/percpu-refcount.c' line='63' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/percpu-refcount.c' line='63' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='percpu_ref_is_zero' mangled-name='percpu_ref_is_zero' filepath='lib/percpu-refcount.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_ref_is_zero'>
+ <parameter type-id='60219102' name='ref' filepath='lib/percpu-refcount.c' line='402' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='percpu_ref_kill_and_confirm' mangled-name='percpu_ref_kill_and_confirm' filepath='lib/percpu-refcount.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_ref_kill_and_confirm'>
+ <parameter type-id='60219102' name='ref' filepath='lib/percpu-refcount.c' line='375' column='1'/>
+ <parameter type-id='903b12fe' name='confirm_kill' filepath='lib/percpu-refcount.c' line='376' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='percpu_ref_switch_to_atomic_sync' mangled-name='percpu_ref_switch_to_atomic_sync' filepath='lib/percpu-refcount.c' line='320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_ref_switch_to_atomic_sync'>
+ <parameter type-id='60219102' name='ref' filepath='lib/percpu-refcount.c' line='320' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='percpu_ref_switch_to_percpu' mangled-name='percpu_ref_switch_to_percpu' filepath='lib/percpu-refcount.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_ref_switch_to_percpu'>
+ <parameter type-id='60219102' name='ref' filepath='lib/percpu-refcount.c' line='345' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='percpu_up_write' mangled-name='percpu_up_write' filepath='kernel/locking/percpu-rwsem.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='percpu_up_write'>
+ <parameter type-id='652d9ef9' name='sem' filepath='kernel/locking/percpu-rwsem.c' line='242' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_aux_output_begin' mangled-name='perf_aux_output_begin' filepath='kernel/events/ring_buffer.c' line='361' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_aux_output_begin'>
+ <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='361' column='1'/>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/ring_buffer.c' line='362' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='perf_aux_output_end' mangled-name='perf_aux_output_end' filepath='kernel/events/ring_buffer.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_aux_output_end'>
+ <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='477' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='kernel/events/ring_buffer.c' line='477' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_aux_output_flag' mangled-name='perf_aux_output_flag' filepath='kernel/events/ring_buffer.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_aux_output_flag'>
+ <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='334' column='1'/>
+ <parameter type-id='91ce1af9' name='flags' filepath='kernel/events/ring_buffer.c' line='334' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_event_addr_filters_sync' mangled-name='perf_event_addr_filters_sync' filepath='kernel/events/core.c' line='3124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_addr_filters_sync'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='3124' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_event_create_kernel_counter' mangled-name='perf_event_create_kernel_counter' filepath='kernel/events/core.c' line='12137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_create_kernel_counter'>
+ <parameter type-id='20862e61' name='attr' filepath='kernel/events/core.c' line='12137' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/events/core.c' line='12137' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='kernel/events/core.c' line='12138' column='1'/>
+ <parameter type-id='20a2e4e6' name='overflow_handler' filepath='kernel/events/core.c' line='12139' column='1'/>
+ <parameter type-id='eaa32e2f' name='context' filepath='kernel/events/core.c' line='12140' column='1'/>
+ <return type-id='2bf16f59'/>
+ </function-decl>
+ <function-decl name='perf_event_disable' mangled-name='perf_event_disable' filepath='kernel/events/core.c' line='2453' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_disable'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='2453' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_event_enable' mangled-name='perf_event_enable' filepath='kernel/events/core.c' line='3024' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_enable'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='3024' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_event_pause' mangled-name='perf_event_pause' filepath='kernel/events/core.c' line='5363' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_pause'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='5363' column='1'/>
+ <parameter type-id='b50a4934' name='reset' filepath='kernel/events/core.c' line='5363' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='perf_event_read_local' mangled-name='perf_event_read_local' filepath='kernel/events/core.c' line='4336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_read_local'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='4336' column='1'/>
+ <parameter type-id='3df9fd28' name='value' filepath='kernel/events/core.c' line='4336' column='1'/>
+ <parameter type-id='3df9fd28' name='enabled' filepath='kernel/events/core.c' line='4337' column='1'/>
+ <parameter type-id='3df9fd28' name='running' filepath='kernel/events/core.c' line='4337' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='perf_event_read_value' mangled-name='perf_event_read_value' filepath='kernel/events/core.c' line='5145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_read_value'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='5145' column='1'/>
+ <parameter type-id='3df9fd28' name='enabled' filepath='kernel/events/core.c' line='5145' column='1'/>
+ <parameter type-id='3df9fd28' name='running' filepath='kernel/events/core.c' line='5145' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='perf_event_release_kernel' mangled-name='perf_event_release_kernel' filepath='kernel/events/core.c' line='4995' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_release_kernel'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='4995' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='perf_event_update_userpage' mangled-name='perf_event_update_userpage' filepath='kernel/events/core.c' line='5742' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_event_update_userpage'>
+ <parameter type-id='2bf16f59' name='event' filepath='kernel/events/core.c' line='5742' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_get_aux' mangled-name='perf_get_aux' filepath='kernel/events/ring_buffer.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_get_aux'>
+ <parameter type-id='d3b23a45' name='handle' filepath='kernel/events/ring_buffer.c' line='557' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='perf_num_counters' mangled-name='perf_num_counters' filepath='drivers/perf/arm_pmu.c' line='600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_num_counters'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='perf_pmu_migrate_context' mangled-name='perf_pmu_migrate_context' filepath='kernel/events/core.c' line='12216' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_pmu_migrate_context'>
+ <parameter type-id='0906f5b9' name='pmu' filepath='kernel/events/core.c' line='12216' column='1'/>
+ <parameter type-id='95e97e5e' name='src_cpu' filepath='kernel/events/core.c' line='12216' column='1'/>
+ <parameter type-id='95e97e5e' name='dst_cpu' filepath='kernel/events/core.c' line='12216' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_pmu_register' mangled-name='perf_pmu_register' filepath='kernel/events/core.c' line='10788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_pmu_register'>
+ <parameter type-id='0906f5b9' name='pmu' filepath='kernel/events/core.c' line='10788' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/events/core.c' line='10788' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='kernel/events/core.c' line='10788' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='perf_pmu_unregister' mangled-name='perf_pmu_unregister' filepath='kernel/events/core.c' line='10924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_pmu_unregister'>
+ <parameter type-id='0906f5b9' name='pmu' filepath='kernel/events/core.c' line='10924' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='perf_trace_buf_alloc' mangled-name='perf_trace_buf_alloc' filepath='kernel/trace/trace_event_perf.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_trace_buf_alloc'>
+ <parameter type-id='95e97e5e' name='size' filepath='kernel/trace/trace_event_perf.c' line='395' column='1'/>
+ <parameter type-id='a89ff5a9' name='regs' filepath='kernel/trace/trace_event_perf.c' line='395' column='1'/>
+ <parameter type-id='7292109c' name='rctxp' filepath='kernel/trace/trace_event_perf.c' line='395' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='perf_trace_run_bpf_submit' mangled-name='perf_trace_run_bpf_submit' filepath='kernel/events/core.c' line='9423' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='perf_trace_run_bpf_submit'>
+ <parameter type-id='eaa32e2f' name='raw_data' filepath='kernel/events/core.c' line='9423' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='kernel/events/core.c' line='9423' column='1'/>
+ <parameter type-id='95e97e5e' name='rctx' filepath='kernel/events/core.c' line='9423' column='1'/>
+ <parameter type-id='23d6768c' name='call' filepath='kernel/events/core.c' line='9424' column='1'/>
+ <parameter type-id='91ce1af9' name='count' filepath='kernel/events/core.c' line='9424' column='1'/>
+ <parameter type-id='4616a179' name='regs' filepath='kernel/events/core.c' line='9425' column='1'/>
+ <parameter type-id='030d0b18' name='head' filepath='kernel/events/core.c' line='9425' column='1'/>
+ <parameter type-id='f23e2572' name='task' filepath='kernel/events/core.c' line='9426' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pfn_valid' mangled-name='pfn_valid' filepath='arch/arm64/mm/init.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pfn_valid'>
+ <parameter type-id='7359adad' name='pfn' filepath='arch/arm64/mm/init.c' line='239' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_attached_info' mangled-name='phy_attached_info' filepath='drivers/net/phy/phy_device.c' line='1133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_attached_info'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1133' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_calibrate' mangled-name='phy_calibrate' filepath='drivers/phy/phy-core.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_calibrate'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='407' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_configure' mangled-name='phy_configure' filepath='drivers/phy/phy-core.c' line='433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_configure'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='433' column='1'/>
+ <parameter type-id='9d3cfa5c' name='opts' filepath='drivers/phy/phy-core.c' line='433' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_connect' mangled-name='phy_connect' filepath='drivers/net/phy/phy_device.c' line='1013' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_connect'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/phy/phy_device.c' line='1013' column='1'/>
+ <parameter type-id='80f4b756' name='bus_id' filepath='drivers/net/phy/phy_device.c' line='1013' column='1'/>
+ <parameter type-id='548eee3a' name='handler' filepath='drivers/net/phy/phy_device.c' line='1014' column='1'/>
+ <parameter type-id='d61bf978' name='interface' filepath='drivers/net/phy/phy_device.c' line='1015' column='1'/>
+ <return type-id='7efbcaaf'/>
+ </function-decl>
+ <function-decl name='phy_connect_direct' mangled-name='phy_connect_direct' filepath='drivers/net/phy/phy_device.c' line='977' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_connect_direct'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/phy/phy_device.c' line='977' column='1'/>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='977' column='1'/>
+ <parameter type-id='548eee3a' name='handler' filepath='drivers/net/phy/phy_device.c' line='978' column='1'/>
+ <parameter type-id='d61bf978' name='interface' filepath='drivers/net/phy/phy_device.c' line='979' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_disconnect' mangled-name='phy_disconnect' filepath='drivers/net/phy/phy_device.c' line='1045' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_disconnect'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1045' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_do_ioctl_running' mangled-name='phy_do_ioctl_running' filepath='drivers/net/phy/phy.c' line='420' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_do_ioctl_running'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/phy/phy.c' line='420' column='1'/>
+ <parameter type-id='d494b97c' name='ifr' filepath='drivers/net/phy/phy.c' line='420' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='drivers/net/phy/phy.c' line='420' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_drivers_register' mangled-name='phy_drivers_register' filepath='drivers/net/phy/phy_device.c' line='2978' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_drivers_register'>
+ <parameter type-id='e812884b' name='new_driver' filepath='drivers/net/phy/phy_device.c' line='2978' column='1'/>
+ <parameter type-id='95e97e5e' name='n' filepath='drivers/net/phy/phy_device.c' line='2978' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/net/phy/phy_device.c' line='2979' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_drivers_unregister' mangled-name='phy_drivers_unregister' filepath='drivers/net/phy/phy_device.c' line='3001' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_drivers_unregister'>
+ <parameter type-id='e812884b' name='drv' filepath='drivers/net/phy/phy_device.c' line='3001' column='1'/>
+ <parameter type-id='95e97e5e' name='n' filepath='drivers/net/phy/phy_device.c' line='3001' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_ethtool_get_eee' mangled-name='phy_ethtool_get_eee' filepath='drivers/net/phy/phy.c' line='1365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_get_eee'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1365' column='1'/>
+ <parameter type-id='eced47f6' name='data' filepath='drivers/net/phy/phy.c' line='1365' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_ethtool_get_link_ksettings' mangled-name='phy_ethtool_get_link_ksettings' filepath='drivers/net/phy/phy.c' line='1474' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_get_link_ksettings'>
+ <parameter type-id='68a2d05b' name='ndev' filepath='drivers/net/phy/phy.c' line='1474' column='1'/>
+ <parameter type-id='70de91e2' name='cmd' filepath='drivers/net/phy/phy.c' line='1475' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_ethtool_ksettings_get' mangled-name='phy_ethtool_ksettings_get' filepath='drivers/net/phy/phy.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_ksettings_get'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='263' column='1'/>
+ <parameter type-id='70de91e2' name='cmd' filepath='drivers/net/phy/phy.c' line='264' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_ethtool_ksettings_set' mangled-name='phy_ethtool_ksettings_set' filepath='drivers/net/phy/phy.c' line='786' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_ksettings_set'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='786' column='1'/>
+ <parameter type-id='b2c34f11' name='cmd' filepath='drivers/net/phy/phy.c' line='787' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_ethtool_nway_reset' mangled-name='phy_ethtool_nway_reset' filepath='drivers/net/phy/phy.c' line='1504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_nway_reset'>
+ <parameter type-id='68a2d05b' name='ndev' filepath='drivers/net/phy/phy.c' line='1504' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_ethtool_set_eee' mangled-name='phy_ethtool_set_eee' filepath='drivers/net/phy/phy.c' line='1404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_set_eee'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1404' column='1'/>
+ <parameter type-id='eced47f6' name='data' filepath='drivers/net/phy/phy.c' line='1404' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_ethtool_set_link_ksettings' mangled-name='phy_ethtool_set_link_ksettings' filepath='drivers/net/phy/phy.c' line='1488' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_ethtool_set_link_ksettings'>
+ <parameter type-id='68a2d05b' name='ndev' filepath='drivers/net/phy/phy.c' line='1488' column='1'/>
+ <parameter type-id='b2c34f11' name='cmd' filepath='drivers/net/phy/phy.c' line='1489' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_exit' mangled-name='phy_exit' filepath='drivers/phy/phy-core.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_exit'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='261' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_find_first' mangled-name='phy_find_first' filepath='drivers/net/phy/phy_device.c' line='925' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_find_first'>
+ <parameter type-id='ff47b24b' name='bus' filepath='drivers/net/phy/phy_device.c' line='925' column='1'/>
+ <return type-id='7efbcaaf'/>
+ </function-decl>
+ <function-decl name='phy_get' mangled-name='phy_get' filepath='drivers/phy/phy-core.c' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='664' column='1'/>
+ <parameter type-id='80f4b756' name='string' filepath='drivers/phy/phy-core.c' line='664' column='1'/>
+ <return type-id='503ff1ba'/>
+ </function-decl>
+ <function-decl name='phy_get_eee_err' mangled-name='phy_get_eee_err' filepath='drivers/net/phy/phy.c' line='1348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_get_eee_err'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1348' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_get_pause' mangled-name='phy_get_pause' filepath='drivers/net/phy/phy_device.c' line='2692' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_get_pause'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2692' column='1'/>
+ <parameter type-id='d8e6b335' name='tx_pause' filepath='drivers/net/phy/phy_device.c' line='2692' column='1'/>
+ <parameter type-id='d8e6b335' name='rx_pause' filepath='drivers/net/phy/phy_device.c' line='2692' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_init' mangled-name='phy_init' filepath='drivers/phy/phy-core.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_init'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='232' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_init_eee' mangled-name='phy_init_eee' filepath='drivers/net/phy/phy.c' line='1280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_init_eee'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1280' column='1'/>
+ <parameter type-id='b50a4934' name='clk_stop_enable' filepath='drivers/net/phy/phy.c' line='1280' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_init_hw' mangled-name='phy_init_hw' filepath='drivers/net/phy/phy_device.c' line='1093' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_init_hw'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1093' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_mac_interrupt' mangled-name='phy_mac_interrupt' filepath='drivers/net/phy/phy.c' line='1239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_mac_interrupt'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1239' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_mii_ioctl' mangled-name='phy_mii_ioctl' filepath='drivers/net/phy/phy.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_mii_ioctl'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='299' column='1'/>
+ <parameter type-id='d494b97c' name='ifr' filepath='drivers/net/phy/phy.c' line='299' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='drivers/net/phy/phy.c' line='299' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_mipi_dphy_config_validate' mangled-name='phy_mipi_dphy_config_validate' filepath='drivers/phy/phy-core-mipi-dphy.c' line='86' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_mipi_dphy_config_validate'>
+ <parameter type-id='37cfc122' name='cfg' filepath='drivers/phy/phy-core-mipi-dphy.c' line='86' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_mipi_dphy_get_default_config' mangled-name='phy_mipi_dphy_get_default_config' filepath='drivers/phy/phy-core-mipi-dphy.c' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_mipi_dphy_get_default_config'>
+ <parameter type-id='7359adad' name='pixel_clock' filepath='drivers/phy/phy-core-mipi-dphy.c' line='22' column='1'/>
+ <parameter type-id='f0981eeb' name='bpp' filepath='drivers/phy/phy-core-mipi-dphy.c' line='23' column='1'/>
+ <parameter type-id='f0981eeb' name='lanes' filepath='drivers/phy/phy-core-mipi-dphy.c' line='24' column='1'/>
+ <parameter type-id='37cfc122' name='cfg' filepath='drivers/phy/phy-core-mipi-dphy.c' line='25' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_modify' mangled-name='phy_modify' filepath='drivers/net/phy/phy-core.c' line='630' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_modify'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+ <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+ <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='630' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_modify_changed' mangled-name='phy_modify_changed' filepath='drivers/net/phy/phy-core.c' line='586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_modify_changed'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='586' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='586' column='1'/>
+ <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='586' column='1'/>
+ <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='586' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_modify_mmd' mangled-name='phy_modify_mmd' filepath='drivers/net/phy/phy-core.c' line='736' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_modify_mmd'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='736' column='1'/>
+ <parameter type-id='95e97e5e' name='devad' filepath='drivers/net/phy/phy-core.c' line='736' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='736' column='1'/>
+ <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='737' column='1'/>
+ <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='737' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_modify_paged' mangled-name='phy_modify_paged' filepath='drivers/net/phy/phy-core.c' line='922' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_modify_paged'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='922' column='1'/>
+ <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='922' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='922' column='1'/>
+ <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='923' column='1'/>
+ <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='923' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_modify_paged_changed' mangled-name='phy_modify_paged_changed' filepath='drivers/net/phy/phy-core.c' line='899' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_modify_paged_changed'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='899' column='1'/>
+ <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='899' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='899' column='1'/>
+ <parameter type-id='1dc6a898' name='mask' filepath='drivers/net/phy/phy-core.c' line='900' column='1'/>
+ <parameter type-id='1dc6a898' name='set' filepath='drivers/net/phy/phy-core.c' line='900' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_pm_runtime_get_sync' mangled-name='phy_pm_runtime_get_sync' filepath='drivers/phy/phy-core.c' line='166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_pm_runtime_get_sync'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='166' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_pm_runtime_put_sync' mangled-name='phy_pm_runtime_put_sync' filepath='drivers/phy/phy-core.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_pm_runtime_put_sync'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='196' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_power_off' mangled-name='phy_power_off' filepath='drivers/phy/phy-core.c' line='332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_power_off'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='332' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_power_on' mangled-name='phy_power_on' filepath='drivers/phy/phy-core.c' line='290' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_power_on'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='290' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_print_status' mangled-name='phy_print_status' filepath='drivers/net/phy/phy.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_print_status'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='101' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_put' mangled-name='phy_put' filepath='drivers/phy/phy-core.c' line='596' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_put'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/phy/phy-core.c' line='596' column='1'/>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='596' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_read_mmd' mangled-name='phy_read_mmd' filepath='drivers/net/phy/phy-core.c' line='502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_read_mmd'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='502' column='1'/>
+ <parameter type-id='95e97e5e' name='devad' filepath='drivers/net/phy/phy-core.c' line='502' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='502' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_read_paged' mangled-name='phy_read_paged' filepath='drivers/net/phy/phy-core.c' line='856' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_read_paged'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='856' column='1'/>
+ <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='856' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='856' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_remove_link_mode' mangled-name='phy_remove_link_mode' filepath='drivers/net/phy/phy_device.c' line='2549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_remove_link_mode'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2549' column='1'/>
+ <parameter type-id='19c2251e' name='link_mode' filepath='drivers/net/phy/phy_device.c' line='2549' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_reset' mangled-name='phy_reset' filepath='drivers/phy/phy-core.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_reset'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='376' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_reset_after_clk_enable' mangled-name='phy_reset_after_clk_enable' filepath='drivers/net/phy/phy_device.c' line='1800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_reset_after_clk_enable'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1800' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_resolve_aneg_pause' mangled-name='phy_resolve_aneg_pause' filepath='drivers/net/phy/phy-core.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_resolve_aneg_pause'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='341' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_restore_page' mangled-name='phy_restore_page' filepath='drivers/net/phy/phy-core.c' line='825' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_restore_page'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='825' column='1'/>
+ <parameter type-id='95e97e5e' name='oldpage' filepath='drivers/net/phy/phy-core.c' line='825' column='1'/>
+ <parameter type-id='95e97e5e' name='ret' filepath='drivers/net/phy/phy-core.c' line='825' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_resume' mangled-name='phy_resume' filepath='drivers/net/phy/phy_device.c' line='1746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_resume'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1746' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_select_page' mangled-name='phy_select_page' filepath='drivers/net/phy/phy-core.c' line='791' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_select_page'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='791' column='1'/>
+ <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='791' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_set_max_speed' mangled-name='phy_set_max_speed' filepath='drivers/net/phy/phy-core.c' line='275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_set_max_speed'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='275' column='1'/>
+ <parameter type-id='19c2251e' name='max_speed' filepath='drivers/net/phy/phy-core.c' line='275' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_set_mode_ext' mangled-name='phy_set_mode_ext' filepath='drivers/phy/phy-core.c' line='359' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_set_mode_ext'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='359' column='1'/>
+ <parameter type-id='79ba09b7' name='mode' filepath='drivers/phy/phy-core.c' line='359' column='1'/>
+ <parameter type-id='95e97e5e' name='submode' filepath='drivers/phy/phy-core.c' line='359' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_set_sym_pause' mangled-name='phy_set_sym_pause' filepath='drivers/net/phy/phy_device.c' line='2618' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_set_sym_pause'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2618' column='1'/>
+ <parameter type-id='b50a4934' name='rx' filepath='drivers/net/phy/phy_device.c' line='2618' column='1'/>
+ <parameter type-id='b50a4934' name='tx' filepath='drivers/net/phy/phy_device.c' line='2618' column='1'/>
+ <parameter type-id='b50a4934' name='autoneg' filepath='drivers/net/phy/phy_device.c' line='2619' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_start' mangled-name='phy_start' filepath='drivers/net/phy/phy.c' line='1119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_start'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1119' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_start_aneg' mangled-name='phy_start_aneg' filepath='drivers/net/phy/phy.c' line='758' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_start_aneg'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='758' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_stop' mangled-name='phy_stop' filepath='drivers/net/phy/phy.c' line='1075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_stop'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy.c' line='1075' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_support_sym_pause' mangled-name='phy_support_sym_pause' filepath='drivers/net/phy/phy_device.c' line='2588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_support_sym_pause'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='2588' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phy_suspend' mangled-name='phy_suspend' filepath='drivers/net/phy/phy_device.c' line='1702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_suspend'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy_device.c' line='1702' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_validate' mangled-name='phy_validate' filepath='drivers/phy/phy-core.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_validate'>
+ <parameter type-id='503ff1ba' name='phy' filepath='drivers/phy/phy-core.c' line='467' column='1'/>
+ <parameter type-id='79ba09b7' name='mode' filepath='drivers/phy/phy-core.c' line='467' column='1'/>
+ <parameter type-id='95e97e5e' name='submode' filepath='drivers/phy/phy-core.c' line='467' column='1'/>
+ <parameter type-id='9d3cfa5c' name='opts' filepath='drivers/phy/phy-core.c' line='468' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_write_mmd' mangled-name='phy_write_mmd' filepath='drivers/net/phy/phy-core.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_write_mmd'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='561' column='1'/>
+ <parameter type-id='95e97e5e' name='devad' filepath='drivers/net/phy/phy-core.c' line='561' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='561' column='1'/>
+ <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/phy-core.c' line='561' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phy_write_paged' mangled-name='phy_write_paged' filepath='drivers/net/phy/phy-core.c' line='877' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phy_write_paged'>
+ <parameter type-id='7efbcaaf' name='phydev' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+ <parameter type-id='95e97e5e' name='page' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+ <parameter type-id='19c2251e' name='regnum' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+ <parameter type-id='1dc6a898' name='val' filepath='drivers/net/phy/phy-core.c' line='877' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phylink_connect_phy' mangled-name='phylink_connect_phy' filepath='drivers/net/phy/phylink.c' line='1069' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_connect_phy'>
+ <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1069' column='1'/>
+ <parameter type-id='7efbcaaf' name='phy' filepath='drivers/net/phy/phylink.c' line='1069' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phylink_create' mangled-name='phylink_create' filepath='drivers/net/phy/phylink.c' line='823' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_create'>
+ <parameter type-id='0dc3586b' name='config' filepath='drivers/net/phy/phylink.c' line='823' column='1'/>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/net/phy/phylink.c' line='824' column='1'/>
+ <parameter type-id='d61bf978' name='iface' filepath='drivers/net/phy/phylink.c' line='825' column='1'/>
+ <parameter type-id='f6203fc2' name='mac_ops' filepath='drivers/net/phy/phylink.c' line='826' column='1'/>
+ <return type-id='56f3c6ca'/>
+ </function-decl>
+ <function-decl name='phylink_destroy' mangled-name='phylink_destroy' filepath='drivers/net/phy/phylink.c' line='923' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_destroy'>
+ <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='923' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phylink_of_phy_connect' mangled-name='phylink_of_phy_connect' filepath='drivers/net/phy/phylink.c' line='1103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_of_phy_connect'>
+ <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1103' column='1'/>
+ <parameter type-id='9a537bbe' name='dn' filepath='drivers/net/phy/phylink.c' line='1103' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/net/phy/phylink.c' line='1104' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='phylink_set_port_modes' mangled-name='phylink_set_port_modes' filepath='drivers/net/phy/phylink.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_set_port_modes'>
+ <parameter type-id='1d2c2b85' name='mask' filepath='drivers/net/phy/phylink.c' line='122' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='phylink_start' mangled-name='phylink_start' filepath='drivers/net/phy/phylink.c' line='1208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='phylink_start'>
+ <parameter type-id='56f3c6ca' name='pl' filepath='drivers/net/phy/phylink.c' line='1208' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pick_highest_pushable_task' mangled-name='pick_highest_pushable_task' filepath='kernel/sched/rt.c' line='1760' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pick_highest_pushable_task'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/rt.c' line='1760' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/rt.c' line='1760' column='1'/>
+ <return type-id='f23e2572'/>
+ </function-decl>
+ <function-decl name='pid_nr_ns' mangled-name='pid_nr_ns' filepath='kernel/pid.c' line='473' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pid_nr_ns'>
+ <parameter type-id='b94e5398' name='pid' filepath='kernel/pid.c' line='473' column='1'/>
+ <parameter type-id='b816e1d0' name='ns' filepath='kernel/pid.c' line='473' column='1'/>
+ <return type-id='587f89d2'/>
+ </function-decl>
+ <function-decl name='pid_task' mangled-name='pid_task' filepath='kernel/pid.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pid_task'>
+ <parameter type-id='b94e5398' name='pid' filepath='kernel/pid.c' line='396' column='1'/>
+ <parameter type-id='ce78cf46' name='type' filepath='kernel/pid.c' line='396' column='1'/>
+ <return type-id='f23e2572'/>
+ </function-decl>
+ <function-decl name='pin_get_name' mangled-name='pin_get_name' filepath='drivers/pinctrl/core.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_get_name'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='167' column='1'/>
+ <parameter type-id='20f5f452' name='pin' filepath='drivers/pinctrl/core.c' line='167' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='pin_user_pages' mangled-name='pin_user_pages' filepath='mm/gup.c' line='2979' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_user_pages'>
+ <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2979' column='1'/>
+ <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='2979' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2980' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2980' column='1'/>
+ <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='2981' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='pin_user_pages_fast' mangled-name='pin_user_pages_fast' filepath='mm/gup.c' line='2875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_user_pages_fast'>
+ <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2875' column='1'/>
+ <parameter type-id='95e97e5e' name='nr_pages' filepath='mm/gup.c' line='2875' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2876' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2876' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pin_user_pages_remote' mangled-name='pin_user_pages_remote' filepath='mm/gup.c' line='2946' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pin_user_pages_remote'>
+ <parameter type-id='df4b7819' name='mm' filepath='mm/gup.c' line='2946' column='1'/>
+ <parameter type-id='7359adad' name='start' filepath='mm/gup.c' line='2947' column='1'/>
+ <parameter type-id='7359adad' name='nr_pages' filepath='mm/gup.c' line='2947' column='1'/>
+ <parameter type-id='f0981eeb' name='gup_flags' filepath='mm/gup.c' line='2948' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='2948' column='1'/>
+ <parameter type-id='8b6fdee4' name='vmas' filepath='mm/gup.c' line='2949' column='1'/>
+ <parameter type-id='7292109c' name='locked' filepath='mm/gup.c' line='2949' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='pinconf_generic_dt_free_map' mangled-name='pinconf_generic_dt_free_map' filepath='drivers/pinctrl/pinconf-generic.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinconf_generic_dt_free_map'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinconf-generic.c' line='407' column='1'/>
+ <parameter type-id='9638d26e' name='map' filepath='drivers/pinctrl/pinconf-generic.c' line='408' column='1'/>
+ <parameter type-id='f0981eeb' name='num_maps' filepath='drivers/pinctrl/pinconf-generic.c' line='409' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pinconf_generic_dt_node_to_map' mangled-name='pinconf_generic_dt_node_to_map' filepath='drivers/pinctrl/pinconf-generic.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinconf_generic_dt_node_to_map'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinconf-generic.c' line='376' column='1'/>
+ <parameter type-id='9a537bbe' name='np_config' filepath='drivers/pinctrl/pinconf-generic.c' line='377' column='1'/>
+ <parameter type-id='bf73010c' name='map' filepath='drivers/pinctrl/pinconf-generic.c' line='377' column='1'/>
+ <parameter type-id='807869d3' name='num_maps' filepath='drivers/pinctrl/pinconf-generic.c' line='378' column='1'/>
+ <parameter type-id='95da6d1c' name='type' filepath='drivers/pinctrl/pinconf-generic.c' line='378' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinconf_generic_parse_dt_config' mangled-name='pinconf_generic_parse_dt_config' filepath='drivers/pinctrl/pinconf-generic.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinconf_generic_parse_dt_config'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/pinctrl/pinconf-generic.c' line='239' column='1'/>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinconf-generic.c' line='240' column='1'/>
+ <parameter type-id='9b88c47d' name='configs' filepath='drivers/pinctrl/pinconf-generic.c' line='241' column='1'/>
+ <parameter type-id='807869d3' name='nconfigs' filepath='drivers/pinctrl/pinconf-generic.c' line='242' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_add_gpio_range' mangled-name='pinctrl_add_gpio_range' filepath='drivers/pinctrl/core.c' line='403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_add_gpio_range'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='403' column='1'/>
+ <parameter type-id='e7faa6fb' name='range' filepath='drivers/pinctrl/core.c' line='404' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pinctrl_dev_get_drvdata' mangled-name='pinctrl_dev_get_drvdata' filepath='drivers/pinctrl/core.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_dev_get_drvdata'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='87' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='pinctrl_enable' mangled-name='pinctrl_enable' filepath='drivers/pinctrl/core.c' line='2072' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_enable'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='2072' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_find_gpio_range_from_pin' mangled-name='pinctrl_find_gpio_range_from_pin' filepath='drivers/pinctrl/core.c' line='491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_find_gpio_range_from_pin'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='491' column='1'/>
+ <parameter type-id='f0981eeb' name='pin' filepath='drivers/pinctrl/core.c' line='492' column='1'/>
+ <return type-id='e7faa6fb'/>
+ </function-decl>
+ <function-decl name='pinctrl_force_default' mangled-name='pinctrl_force_default' filepath='drivers/pinctrl/core.c' line='1491' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_force_default'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='1491' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_force_sleep' mangled-name='pinctrl_force_sleep' filepath='drivers/pinctrl/core.c' line='1479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_force_sleep'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='1479' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_generic_get_group' mangled-name='pinctrl_generic_get_group' filepath='drivers/pinctrl/core.c' line='583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='583' column='1'/>
+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/core.c' line='584' column='1'/>
+ <return type-id='ec488e1a'/>
+ </function-decl>
+ <function-decl name='pinctrl_generic_get_group_count' mangled-name='pinctrl_generic_get_group_count' filepath='drivers/pinctrl/core.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group_count'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='524' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_generic_get_group_name' mangled-name='pinctrl_generic_get_group_name' filepath='drivers/pinctrl/core.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group_name'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='535' column='1'/>
+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/core.c' line='536' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='pinctrl_generic_get_group_pins' mangled-name='pinctrl_generic_get_group_pins' filepath='drivers/pinctrl/core.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_generic_get_group_pins'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='556' column='1'/>
+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/core.c' line='557' column='1'/>
+ <parameter type-id='4e523966' name='pins' filepath='drivers/pinctrl/core.c' line='558' column='1'/>
+ <parameter type-id='807869d3' name='num_pins' filepath='drivers/pinctrl/core.c' line='559' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_get' mangled-name='pinctrl_get' filepath='drivers/pinctrl/core.c' line='1114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1114' column='1'/>
+ <return type-id='73ea90c5'/>
+ </function-decl>
+ <function-decl name='pinctrl_gpio_direction_input' mangled-name='pinctrl_gpio_direction_input' filepath='drivers/pinctrl/core.c' line='865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_gpio_direction_input'>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/pinctrl/core.c' line='865' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_gpio_direction_output' mangled-name='pinctrl_gpio_direction_output' filepath='drivers/pinctrl/core.c' line='879' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_gpio_direction_output'>
+ <parameter type-id='f0981eeb' name='gpio' filepath='drivers/pinctrl/core.c' line='879' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_lookup_state' mangled-name='pinctrl_lookup_state' filepath='drivers/pinctrl/core.c' line='1205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_lookup_state'>
+ <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1205' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/pinctrl/core.c' line='1206' column='1'/>
+ <return type-id='f418ceb3'/>
+ </function-decl>
+ <function-decl name='pinctrl_pm_select_default_state' mangled-name='pinctrl_pm_select_default_state' filepath='drivers/pinctrl/core.c' line='1565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_pm_select_default_state'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1565' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_pm_select_idle_state' mangled-name='pinctrl_pm_select_idle_state' filepath='drivers/pinctrl/core.c' line='1588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_pm_select_idle_state'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1588' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_pm_select_sleep_state' mangled-name='pinctrl_pm_select_sleep_state' filepath='drivers/pinctrl/core.c' line='1575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_pm_select_sleep_state'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1575' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_put' mangled-name='pinctrl_put' filepath='drivers/pinctrl/core.c' line='1194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_put'>
+ <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1194' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pinctrl_register' mangled-name='pinctrl_register' filepath='drivers/pinctrl/core.c' line='2109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_register'>
+ <parameter type-id='d4682107' name='pctldesc' filepath='drivers/pinctrl/core.c' line='2109' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='2110' column='1'/>
+ <parameter type-id='eaa32e2f' name='driver_data' filepath='drivers/pinctrl/core.c' line='2110' column='1'/>
+ <return type-id='10216dc5'/>
+ </function-decl>
+ <function-decl name='pinctrl_remove_gpio_range' mangled-name='pinctrl_remove_gpio_range' filepath='drivers/pinctrl/core.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_remove_gpio_range'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='509' column='1'/>
+ <parameter type-id='e7faa6fb' name='range' filepath='drivers/pinctrl/core.c' line='510' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pinctrl_select_default_state' mangled-name='pinctrl_select_default_state' filepath='drivers/pinctrl/core.c' line='1550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_select_default_state'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/pinctrl/core.c' line='1550' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_select_state' mangled-name='pinctrl_select_state' filepath='drivers/pinctrl/core.c' line='1318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_select_state'>
+ <parameter type-id='73ea90c5' name='p' filepath='drivers/pinctrl/core.c' line='1318' column='1'/>
+ <parameter type-id='f418ceb3' name='state' filepath='drivers/pinctrl/core.c' line='1318' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_unregister' mangled-name='pinctrl_unregister' filepath='drivers/pinctrl/core.c' line='2165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_unregister'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/core.c' line='2165' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pinctrl_utils_add_map_configs' mangled-name='pinctrl_utils_add_map_configs' filepath='drivers/pinctrl/pinctrl-utils.c' line='73' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_utils_add_map_configs'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinctrl-utils.c' line='73' column='1'/>
+ <parameter type-id='bf73010c' name='map' filepath='drivers/pinctrl/pinctrl-utils.c' line='74' column='1'/>
+ <parameter type-id='807869d3' name='reserved_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='74' column='1'/>
+ <parameter type-id='807869d3' name='num_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='75' column='1'/>
+ <parameter type-id='80f4b756' name='group' filepath='drivers/pinctrl/pinctrl-utils.c' line='75' column='1'/>
+ <parameter type-id='1d2c2b85' name='configs' filepath='drivers/pinctrl/pinctrl-utils.c' line='76' column='1'/>
+ <parameter type-id='f0981eeb' name='num_configs' filepath='drivers/pinctrl/pinctrl-utils.c' line='76' column='1'/>
+ <parameter type-id='95da6d1c' name='type' filepath='drivers/pinctrl/pinctrl-utils.c' line='77' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_utils_add_map_mux' mangled-name='pinctrl_utils_add_map_mux' filepath='drivers/pinctrl/pinctrl-utils.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_utils_add_map_mux'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinctrl-utils.c' line='56' column='1'/>
+ <parameter type-id='bf73010c' name='map' filepath='drivers/pinctrl/pinctrl-utils.c' line='57' column='1'/>
+ <parameter type-id='807869d3' name='reserved_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='57' column='1'/>
+ <parameter type-id='807869d3' name='num_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='58' column='1'/>
+ <parameter type-id='80f4b756' name='group' filepath='drivers/pinctrl/pinctrl-utils.c' line='58' column='1'/>
+ <parameter type-id='80f4b756' name='function' filepath='drivers/pinctrl/pinctrl-utils.c' line='59' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinctrl_utils_free_map' mangled-name='pinctrl_utils_free_map' filepath='drivers/pinctrl/pinctrl-utils.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_utils_free_map'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinctrl-utils.c' line='123' column='1'/>
+ <parameter type-id='9638d26e' name='map' filepath='drivers/pinctrl/pinctrl-utils.c' line='124' column='1'/>
+ <parameter type-id='f0981eeb' name='num_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='124' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pinctrl_utils_reserve_map' mangled-name='pinctrl_utils_reserve_map' filepath='drivers/pinctrl/pinctrl-utils.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinctrl_utils_reserve_map'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinctrl-utils.c' line='31' column='1'/>
+ <parameter type-id='bf73010c' name='map' filepath='drivers/pinctrl/pinctrl-utils.c' line='32' column='1'/>
+ <parameter type-id='807869d3' name='reserved_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='32' column='1'/>
+ <parameter type-id='807869d3' name='num_maps' filepath='drivers/pinctrl/pinctrl-utils.c' line='33' column='1'/>
+ <parameter type-id='f0981eeb' name='reserve' filepath='drivers/pinctrl/pinctrl-utils.c' line='33' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinmux_generic_get_function' mangled-name='pinmux_generic_get_function' filepath='drivers/pinctrl/pinmux.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='752' column='1'/>
+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/pinmux.c' line='753' column='1'/>
+ <return type-id='d06ad2cb'/>
+ </function-decl>
+ <function-decl name='pinmux_generic_get_function_count' mangled-name='pinmux_generic_get_function_count' filepath='drivers/pinctrl/pinmux.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function_count'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='693' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinmux_generic_get_function_groups' mangled-name='pinmux_generic_get_function_groups' filepath='drivers/pinctrl/pinmux.c' line='726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function_groups'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='726' column='1'/>
+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/pinmux.c' line='727' column='1'/>
+ <parameter type-id='472eb409' name='groups' filepath='drivers/pinctrl/pinmux.c' line='728' column='1'/>
+ <parameter type-id='de9ce8e8' name='num_groups' filepath='drivers/pinctrl/pinmux.c' line='729' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pinmux_generic_get_function_name' mangled-name='pinmux_generic_get_function_name' filepath='drivers/pinctrl/pinmux.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pinmux_generic_get_function_name'>
+ <parameter type-id='10216dc5' name='pctldev' filepath='drivers/pinctrl/pinmux.c' line='705' column='1'/>
+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/pinctrl/pinmux.c' line='706' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='pipe_lock' mangled-name='pipe_lock' filepath='fs/pipe.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pipe_lock'>
+ <parameter type-id='15d29710' name='pipe' filepath='fs/pipe.c' line='84' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pipe_unlock' mangled-name='pipe_unlock' filepath='fs/pipe.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pipe_unlock'>
+ <parameter type-id='15d29710' name='pipe' filepath='fs/pipe.c' line='93' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pktgen_xfrm_outer_mode_output' mangled-name='pktgen_xfrm_outer_mode_output' filepath='net/xfrm/xfrm_output.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pktgen_xfrm_outer_mode_output'>
+ <parameter type-id='328dda6e' name='x' filepath='net/xfrm/xfrm_output.c' line='405' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/xfrm/xfrm_output.c' line='405' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_add_devices' mangled-name='platform_add_devices' filepath='drivers/base/platform.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_add_devices'>
+ <parameter type-id='d543b7ad' name='devs' filepath='drivers/base/platform.c' line='381' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='drivers/base/platform.c' line='381' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='platform_bus' type-id='66e487eb' mangled-name='platform_bus' visibility='default' filepath='drivers/base/platform.c' line='38' column='1' elf-symbol-id='platform_bus'/>
+ <var-decl name='platform_bus_type' type-id='b31bfc8a' mangled-name='platform_bus_type' visibility='default' filepath='drivers/base/platform.c' line='1360' column='1' elf-symbol-id='platform_bus_type'/>
+ <function-decl name='platform_device_add' mangled-name='platform_device_add' filepath='drivers/base/platform.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='550' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_device_add_data' mangled-name='platform_device_add_data' filepath='drivers/base/platform.c' line='510' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add_data'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='510' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/base/platform.c' line='510' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/base/platform.c' line='511' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_device_add_properties' mangled-name='platform_device_add_properties' filepath='drivers/base/platform.c' line='536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add_properties'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='536' column='1'/>
+ <parameter type-id='9e1d140c' name='properties' filepath='drivers/base/platform.c' line='537' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_device_add_resources' mangled-name='platform_device_add_resources' filepath='drivers/base/platform.c' line='482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_add_resources'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='482' column='1'/>
+ <parameter type-id='e153f6de' name='res' filepath='drivers/base/platform.c' line='483' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='483' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_device_alloc' mangled-name='platform_device_alloc' filepath='drivers/base/platform.c' line='454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_alloc'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='454' column='1'/>
+ <parameter type-id='95e97e5e' name='id' filepath='drivers/base/platform.c' line='454' column='1'/>
+ <return type-id='db362995'/>
+ </function-decl>
+ <function-decl name='platform_device_del' mangled-name='platform_device_del' filepath='drivers/base/platform.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_del'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='640' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='platform_device_put' mangled-name='platform_device_put' filepath='drivers/base/platform.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_put'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='426' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='platform_device_register' mangled-name='platform_device_register' filepath='drivers/base/platform.c' line='665' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_register'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='665' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_device_register_full' mangled-name='platform_device_register_full' filepath='drivers/base/platform.c' line='696' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_register_full'>
+ <parameter type-id='91d6c443' name='pdevinfo' filepath='drivers/base/platform.c' line='697' column='1'/>
+ <return type-id='db362995'/>
+ </function-decl>
+ <function-decl name='platform_device_unregister' mangled-name='platform_device_unregister' filepath='drivers/base/platform.c' line='681' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_device_unregister'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/base/platform.c' line='681' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='platform_driver_unregister' mangled-name='platform_driver_unregister' filepath='drivers/base/platform.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_driver_unregister'>
+ <parameter type-id='d53c2eb5' name='drv' filepath='drivers/base/platform.c' line='824' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='platform_find_device_by_driver' mangled-name='platform_find_device_by_driver' filepath='drivers/base/platform.c' line='1381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_find_device_by_driver'>
+ <parameter type-id='fa0b179b' name='start' filepath='drivers/base/platform.c' line='1381' column='1'/>
+ <parameter type-id='d5ddffb9' name='drv' filepath='drivers/base/platform.c' line='1382' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='platform_get_irq' mangled-name='platform_get_irq' filepath='drivers/base/platform.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='260' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='260' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_get_irq_byname' mangled-name='platform_get_irq_byname' filepath='drivers/base/platform.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq_byname'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='347' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='347' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_get_irq_byname_optional' mangled-name='platform_get_irq_byname_optional' filepath='drivers/base/platform.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq_byname_optional'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='369' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='370' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_get_irq_optional' mangled-name='platform_get_irq_optional' filepath='drivers/base/platform.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_irq_optional'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='172' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='172' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_get_resource' mangled-name='platform_get_resource' filepath='drivers/base/platform.c' line='51' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_resource'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='51' column='1'/>
+ <parameter type-id='f0981eeb' name='type' filepath='drivers/base/platform.c' line='52' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/base/platform.c' line='52' column='1'/>
+ <return type-id='c9d64c0d'/>
+ </function-decl>
+ <function-decl name='platform_get_resource_byname' mangled-name='platform_get_resource_byname' filepath='drivers/base/platform.c' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_get_resource_byname'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='298' column='1'/>
+ <parameter type-id='f0981eeb' name='type' filepath='drivers/base/platform.c' line='299' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/platform.c' line='300' column='1'/>
+ <return type-id='c9d64c0d'/>
+ </function-decl>
+ <function-decl name='platform_irq_count' mangled-name='platform_irq_count' filepath='drivers/base/platform.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_irq_count'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/base/platform.c' line='278' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_msi_domain_alloc_irqs' mangled-name='platform_msi_domain_alloc_irqs' filepath='drivers/base/platform-msi.c' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_msi_domain_alloc_irqs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/platform-msi.c' line='251' column='1'/>
+ <parameter type-id='f0981eeb' name='nvec' filepath='drivers/base/platform-msi.c' line='251' column='1'/>
+ <parameter type-id='c335ba2b' name='write_msi_msg' filepath='drivers/base/platform-msi.c' line='252' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='platform_msi_domain_free_irqs' mangled-name='platform_msi_domain_free_irqs' filepath='drivers/base/platform-msi.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_msi_domain_free_irqs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/platform-msi.c' line='284' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='platform_unregister_drivers' mangled-name='platform_unregister_drivers' filepath='drivers/base/platform.c' line='1010' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='platform_unregister_drivers'>
+ <parameter type-id='77e06080' name='drivers' filepath='drivers/base/platform.c' line='1010' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='drivers/base/platform.c' line='1011' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_clk_add' mangled-name='pm_clk_add' filepath='drivers/base/power/clock_ops.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_add'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='123' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/base/power/clock_ops.c' line='123' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_clk_add_clk' mangled-name='pm_clk_add_clk' filepath='drivers/base/power/clock_ops.c' line='139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_add_clk'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='139' column='1'/>
+ <parameter type-id='7d0bc0eb' name='clk' filepath='drivers/base/power/clock_ops.c' line='139' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_clk_create' mangled-name='pm_clk_create' filepath='drivers/base/power/clock_ops.c' line='350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_create'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='350' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_clk_destroy' mangled-name='pm_clk_destroy' filepath='drivers/base/power/clock_ops.c' line='364' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_destroy'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='364' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_clk_resume' mangled-name='pm_clk_resume' filepath='drivers/base/power/clock_ops.c' line='426' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='426' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_clk_suspend' mangled-name='pm_clk_suspend' filepath='drivers/base/power/clock_ops.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_clk_suspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/clock_ops.c' line='395' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_generic_resume' mangled-name='pm_generic_resume' filepath='drivers/base/power/generic_ops.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_generic_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/generic_ops.c' line='241' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_generic_runtime_resume' mangled-name='pm_generic_runtime_resume' filepath='drivers/base/power/generic_ops.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_generic_runtime_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/generic_ops.c' line='39' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_generic_runtime_suspend' mangled-name='pm_generic_runtime_suspend' filepath='drivers/base/power/generic_ops.c' line='20' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_generic_runtime_suspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/generic_ops.c' line='20' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_generic_suspend' mangled-name='pm_generic_suspend' filepath='drivers/base/power/generic_ops.c' line='97' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_generic_suspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/generic_ops.c' line='97' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_genpd_add_device' mangled-name='pm_genpd_add_device' filepath='drivers/base/power/domain.c' line='1629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_add_device'>
+ <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='1629' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='1629' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_genpd_add_subdomain' mangled-name='pm_genpd_add_subdomain' filepath='drivers/base/power/domain.c' line='1856' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_add_subdomain'>
+ <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='1856' column='1'/>
+ <parameter type-id='855e3679' name='subdomain' filepath='drivers/base/power/domain.c' line='1857' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_genpd_init' mangled-name='pm_genpd_init' filepath='drivers/base/power/domain.c' line='1955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_init'>
+ <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='1955' column='1'/>
+ <parameter type-id='5db9bd89' name='gov' filepath='drivers/base/power/domain.c' line='1956' column='1'/>
+ <parameter type-id='b50a4934' name='is_off' filepath='drivers/base/power/domain.c' line='1956' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_genpd_remove' mangled-name='pm_genpd_remove' filepath='drivers/base/power/domain.c' line='2082' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_remove'>
+ <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='2082' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_genpd_remove_device' mangled-name='pm_genpd_remove_device' filepath='drivers/base/power/domain.c' line='1690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_remove_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/domain.c' line='1690' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_genpd_remove_subdomain' mangled-name='pm_genpd_remove_subdomain' filepath='drivers/base/power/domain.c' line='1874' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_genpd_remove_subdomain'>
+ <parameter type-id='855e3679' name='genpd' filepath='drivers/base/power/domain.c' line='1874' column='1'/>
+ <parameter type-id='855e3679' name='subdomain' filepath='drivers/base/power/domain.c' line='1875' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_get_active_wakeup_sources' mangled-name='pm_get_active_wakeup_sources' filepath='drivers/base/power/wakeup.c' line='878' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_get_active_wakeup_sources'>
+ <parameter type-id='26a90f95' name='pending_wakeup_source' filepath='drivers/base/power/wakeup.c' line='878' column='1'/>
+ <parameter type-id='b59d7dce' name='max' filepath='drivers/base/power/wakeup.c' line='878' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='pm_power_off' type-id='953b12f8' mangled-name='pm_power_off' visibility='default' filepath='arch/arm64/kernel/process.c' line='71' column='1' elf-symbol-id='pm_power_off'/>
+ <var-decl name='pm_power_off_prepare' type-id='953b12f8' mangled-name='pm_power_off_prepare' visibility='default' filepath='kernel/reboot.c' line='55' column='1' elf-symbol-id='pm_power_off_prepare'/>
+ <function-decl name='pm_relax' mangled-name='pm_relax' filepath='drivers/base/power/wakeup.c' line='776' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_relax'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='776' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_runtime_allow' mangled-name='pm_runtime_allow' filepath='drivers/base/power/runtime.c' line='1481' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_allow'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1481' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_runtime_autosuspend_expiration' mangled-name='pm_runtime_autosuspend_expiration' filepath='drivers/base/power/runtime.c' line='163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_autosuspend_expiration'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='163' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='pm_runtime_barrier' mangled-name='pm_runtime_barrier' filepath='drivers/base/power/runtime.c' line='1347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_barrier'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1347' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_runtime_enable' mangled-name='pm_runtime_enable' filepath='drivers/base/power/runtime.c' line='1425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_enable'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1425' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_runtime_forbid' mangled-name='pm_runtime_forbid' filepath='drivers/base/power/runtime.c' line='1460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_forbid'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1460' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_runtime_force_resume' mangled-name='pm_runtime_force_resume' filepath='drivers/base/power/runtime.c' line='1835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_force_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1835' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_runtime_force_suspend' mangled-name='pm_runtime_force_suspend' filepath='drivers/base/power/runtime.c' line='1787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_force_suspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1787' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_runtime_get_if_active' mangled-name='pm_runtime_get_if_active' filepath='drivers/base/power/runtime.c' line='1139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_get_if_active'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1139' column='1'/>
+ <parameter type-id='b50a4934' name='ign_usage_count' filepath='drivers/base/power/runtime.c' line='1139' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pm_runtime_irq_safe' mangled-name='pm_runtime_irq_safe' filepath='drivers/base/power/runtime.c' line='1527' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_irq_safe'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1527' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_runtime_no_callbacks' mangled-name='pm_runtime_no_callbacks' filepath='drivers/base/power/runtime.c' line='1506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_no_callbacks'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1506' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_runtime_set_autosuspend_delay' mangled-name='pm_runtime_set_autosuspend_delay' filepath='drivers/base/power/runtime.c' line='1585' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_runtime_set_autosuspend_delay'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/runtime.c' line='1585' column='1'/>
+ <parameter type-id='95e97e5e' name='delay' filepath='drivers/base/power/runtime.c' line='1585' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_stay_awake' mangled-name='pm_stay_awake' filepath='drivers/base/power/wakeup.c' line='667' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_stay_awake'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='667' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_suspend_default_s2idle' mangled-name='pm_suspend_default_s2idle' filepath='kernel/power/suspend.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_suspend_default_s2idle'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <var-decl name='pm_suspend_global_flags' type-id='f0981eeb' mangled-name='pm_suspend_global_flags' visibility='default' filepath='kernel/power/suspend.c' line='55' column='1' elf-symbol-id='pm_suspend_global_flags'/>
+ <function-decl name='pm_system_wakeup' mangled-name='pm_system_wakeup' filepath='drivers/base/power/wakeup.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_system_wakeup'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_wakeup_dev_event' mangled-name='pm_wakeup_dev_event' filepath='drivers/base/power/wakeup.c' line='865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_wakeup_dev_event'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='865' column='1'/>
+ <parameter type-id='f0981eeb' name='msec' filepath='drivers/base/power/wakeup.c' line='865' column='1'/>
+ <parameter type-id='b50a4934' name='hard' filepath='drivers/base/power/wakeup.c' line='865' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pm_wakeup_ws_event' mangled-name='pm_wakeup_ws_event' filepath='drivers/base/power/wakeup.c' line='826' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pm_wakeup_ws_event'>
+ <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='826' column='1'/>
+ <parameter type-id='f0981eeb' name='msec' filepath='drivers/base/power/wakeup.c' line='826' column='1'/>
+ <parameter type-id='b50a4934' name='hard' filepath='drivers/base/power/wakeup.c' line='826' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='pm_wq' type-id='242e3d19' mangled-name='pm_wq' visibility='default' filepath='kernel/power/main.c' line='931' column='1' elf-symbol-id='pm_wq'/>
+ <function-decl name='policy_has_boost_freq' mangled-name='policy_has_boost_freq' filepath='drivers/cpufreq/freq_table.c' line='18' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='policy_has_boost_freq'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/freq_table.c' line='18' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='posix_clock_register' mangled-name='posix_clock_register' filepath='kernel/time/posix-clock.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='posix_clock_register'>
+ <parameter type-id='11777d05' name='clk' filepath='kernel/time/posix-clock.c' line='162' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='kernel/time/posix-clock.c' line='162' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='posix_clock_unregister' mangled-name='posix_clock_unregister' filepath='kernel/time/posix-clock.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='posix_clock_unregister'>
+ <parameter type-id='11777d05' name='clk' filepath='kernel/time/posix-clock.c' line='182' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='power_supply_am_i_supplied' mangled-name='power_supply_am_i_supplied' filepath='drivers/power/supply/power_supply_core.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_am_i_supplied'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='334' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_changed' mangled-name='power_supply_changed' filepath='drivers/power/supply/power_supply_core.c' line='121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_changed'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='121' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='power_supply_class' type-id='67aca04f' mangled-name='power_supply_class' visibility='default' filepath='drivers/power/supply/power_supply_core.c' line='27' column='1' elf-symbol-id='power_supply_class'/>
+ <function-decl name='power_supply_find_ocv2cap_table' mangled-name='power_supply_find_ocv2cap_table' filepath='drivers/power/supply/power_supply_core.c' line='905' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_find_ocv2cap_table'>
+ <parameter type-id='78ba63ff' name='info' filepath='drivers/power/supply/power_supply_core.c' line='905' column='1'/>
+ <parameter type-id='95e97e5e' name='temp' filepath='drivers/power/supply/power_supply_core.c' line='906' column='1'/>
+ <parameter type-id='7292109c' name='table_len' filepath='drivers/power/supply/power_supply_core.c' line='906' column='1'/>
+ <return type-id='be6833bc'/>
+ </function-decl>
+ <function-decl name='power_supply_get_battery_info' mangled-name='power_supply_get_battery_info' filepath='drivers/power/supply/power_supply_core.c' line='643' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_battery_info'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='643' column='1'/>
+ <parameter type-id='78ba63ff' name='info' filepath='drivers/power/supply/power_supply_core.c' line='644' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_get_by_name' mangled-name='power_supply_get_by_name' filepath='drivers/power/supply/power_supply_core.c' line='458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_by_name'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/power/supply/power_supply_core.c' line='458' column='1'/>
+ <return type-id='c0c93c9e'/>
+ </function-decl>
+ <function-decl name='power_supply_get_by_phandle' mangled-name='power_supply_get_by_phandle' filepath='drivers/power/supply/power_supply_core.c' line='507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_by_phandle'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/power/supply/power_supply_core.c' line='507' column='1'/>
+ <parameter type-id='80f4b756' name='property' filepath='drivers/power/supply/power_supply_core.c' line='508' column='1'/>
+ <return type-id='c0c93c9e'/>
+ </function-decl>
+ <function-decl name='power_supply_get_by_phandle_array' mangled-name='power_supply_get_by_phandle_array' filepath='drivers/power/supply/power_supply_core.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_by_phandle_array'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/power/supply/power_supply_core.c' line='574' column='1'/>
+ <parameter type-id='80f4b756' name='property' filepath='drivers/power/supply/power_supply_core.c' line='575' column='1'/>
+ <parameter type-id='30ca8f5c' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='576' column='1'/>
+ <parameter type-id='79a0948f' name='size' filepath='drivers/power/supply/power_supply_core.c' line='577' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_get_drvdata' mangled-name='power_supply_get_drvdata' filepath='drivers/power/supply/power_supply_core.c' line='1434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_drvdata'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='1434' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='power_supply_get_property' mangled-name='power_supply_get_property' filepath='drivers/power/supply/power_supply_core.c' line='942' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_get_property'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='942' column='1'/>
+ <parameter type-id='5f78aa17' name='psp' filepath='drivers/power/supply/power_supply_core.c' line='943' column='1'/>
+ <parameter type-id='2e53d20f' name='val' filepath='drivers/power/supply/power_supply_core.c' line='944' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_is_system_supplied' mangled-name='power_supply_is_system_supplied' filepath='drivers/power/supply/power_supply_core.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_is_system_supplied'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_ocv2cap_simple' mangled-name='power_supply_ocv2cap_simple' filepath='drivers/power/supply/power_supply_core.c' line='880' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_ocv2cap_simple'>
+ <parameter type-id='be6833bc' name='table' filepath='drivers/power/supply/power_supply_core.c' line='880' column='1'/>
+ <parameter type-id='95e97e5e' name='table_len' filepath='drivers/power/supply/power_supply_core.c' line='881' column='1'/>
+ <parameter type-id='95e97e5e' name='ocv' filepath='drivers/power/supply/power_supply_core.c' line='881' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_put' mangled-name='power_supply_put' filepath='drivers/power/supply/power_supply_core.c' line='480' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_put'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='480' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='power_supply_put_battery_info' mangled-name='power_supply_put_battery_info' filepath='drivers/power/supply/power_supply_core.c' line='813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_put_battery_info'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='813' column='1'/>
+ <parameter type-id='78ba63ff' name='info' filepath='drivers/power/supply/power_supply_core.c' line='814' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='power_supply_reg_notifier' mangled-name='power_supply_reg_notifier' filepath='drivers/power/supply/power_supply_core.c' line='1001' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_reg_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/power/supply/power_supply_core.c' line='1001' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_register' mangled-name='power_supply_register' filepath='drivers/power/supply/power_supply_core.c' line='1301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_register'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/power/supply/power_supply_core.c' line='1301' column='1'/>
+ <parameter type-id='cb9cd99f' name='desc' filepath='drivers/power/supply/power_supply_core.c' line='1302' column='1'/>
+ <parameter type-id='048b3ad6' name='cfg' filepath='drivers/power/supply/power_supply_core.c' line='1303' column='1'/>
+ <return type-id='c0c93c9e'/>
+ </function-decl>
+ <function-decl name='power_supply_set_property' mangled-name='power_supply_set_property' filepath='drivers/power/supply/power_supply_core.c' line='956' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_set_property'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='956' column='1'/>
+ <parameter type-id='5f78aa17' name='psp' filepath='drivers/power/supply/power_supply_core.c' line='957' column='1'/>
+ <parameter type-id='f3abafd4' name='val' filepath='drivers/power/supply/power_supply_core.c' line='958' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_temp2resist_simple' mangled-name='power_supply_temp2resist_simple' filepath='drivers/power/supply/power_supply_core.c' line='842' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_temp2resist_simple'>
+ <parameter type-id='1fba25e2' name='table' filepath='drivers/power/supply/power_supply_core.c' line='842' column='1'/>
+ <parameter type-id='95e97e5e' name='table_len' filepath='drivers/power/supply/power_supply_core.c' line='843' column='1'/>
+ <parameter type-id='95e97e5e' name='temp' filepath='drivers/power/supply/power_supply_core.c' line='843' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='power_supply_unreg_notifier' mangled-name='power_supply_unreg_notifier' filepath='drivers/power/supply/power_supply_core.c' line='1007' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_unreg_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/power/supply/power_supply_core.c' line='1007' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='power_supply_unregister' mangled-name='power_supply_unregister' filepath='drivers/power/supply/power_supply_core.c' line='1418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='power_supply_unregister'>
+ <parameter type-id='c0c93c9e' name='psy' filepath='drivers/power/supply/power_supply_core.c' line='1418' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='prandom_bytes' mangled-name='prandom_bytes' filepath='lib/random32.c' line='400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prandom_bytes'>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/random32.c' line='400' column='1'/>
+ <parameter type-id='b59d7dce' name='bytes' filepath='lib/random32.c' line='400' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='prandom_u32' mangled-name='prandom_u32' filepath='lib/random32.c' line='384' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prandom_u32'>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='preempt_schedule' mangled-name='preempt_schedule' filepath='kernel/sched/core.c' line='4955' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='preempt_schedule'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='preempt_schedule_notrace' mangled-name='preempt_schedule_notrace' filepath='kernel/sched/core.c' line='4983' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='preempt_schedule_notrace'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='prepare_to_wait' mangled-name='prepare_to_wait' filepath='kernel/sched/wait.c' line='243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prepare_to_wait'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='243' column='1'/>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='243' column='1'/>
+ <parameter type-id='95e97e5e' name='state' filepath='kernel/sched/wait.c' line='243' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='prepare_to_wait_event' mangled-name='prepare_to_wait_event' filepath='kernel/sched/wait.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='prepare_to_wait_event'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='284' column='1'/>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='284' column='1'/>
+ <parameter type-id='95e97e5e' name='state' filepath='kernel/sched/wait.c' line='284' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='print_hex_dump' mangled-name='print_hex_dump' filepath='lib/hexdump.c' line='240' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='print_hex_dump'>
+ <parameter type-id='80f4b756' name='level' filepath='lib/hexdump.c' line='240' column='1'/>
+ <parameter type-id='80f4b756' name='prefix_str' filepath='lib/hexdump.c' line='240' column='1'/>
+ <parameter type-id='95e97e5e' name='prefix_type' filepath='lib/hexdump.c' line='240' column='1'/>
+ <parameter type-id='95e97e5e' name='rowsize' filepath='lib/hexdump.c' line='241' column='1'/>
+ <parameter type-id='95e97e5e' name='groupsize' filepath='lib/hexdump.c' line='241' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/hexdump.c' line='242' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='lib/hexdump.c' line='242' column='1'/>
+ <parameter type-id='b50a4934' name='ascii' filepath='lib/hexdump.c' line='242' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='printk' mangled-name='printk' filepath='kernel/printk/printk.c' line='2103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='printk'>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='2103' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='printk_deferred' mangled-name='printk_deferred' filepath='kernel/printk/printk.c' line='3113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='printk_deferred'>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='3113' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='printk_timed_ratelimit' mangled-name='printk_timed_ratelimit' filepath='kernel/printk/printk.c' line='3149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='printk_timed_ratelimit'>
+ <parameter type-id='1d2c2b85' name='caller_jiffies' filepath='kernel/printk/printk.c' line='3149' column='1'/>
+ <parameter type-id='f0981eeb' name='interval_msecs' filepath='kernel/printk/printk.c' line='3150' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='proc_create' mangled-name='proc_create' filepath='fs/proc/generic.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='584' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='584' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='585' column='1'/>
+ <parameter type-id='33d70f0f' name='proc_ops' filepath='fs/proc/generic.c' line='586' column='1'/>
+ <return type-id='d077e928'/>
+ </function-decl>
+ <function-decl name='proc_create_data' mangled-name='proc_create_data' filepath='fs/proc/generic.c' line='569' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create_data'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='569' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='569' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='570' column='1'/>
+ <parameter type-id='33d70f0f' name='proc_ops' filepath='fs/proc/generic.c' line='571' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='571' column='1'/>
+ <return type-id='d077e928'/>
+ </function-decl>
+ <function-decl name='proc_create_seq_private' mangled-name='proc_create_seq_private' filepath='fs/proc/generic.c' line='618' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create_seq_private'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='618' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='618' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='619' column='1'/>
+ <parameter type-id='943a1b48' name='ops' filepath='fs/proc/generic.c' line='619' column='1'/>
+ <parameter type-id='f0981eeb' name='state_size' filepath='fs/proc/generic.c' line='620' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='620' column='1'/>
+ <return type-id='d077e928'/>
+ </function-decl>
+ <function-decl name='proc_create_single_data' mangled-name='proc_create_single_data' filepath='fs/proc/generic.c' line='649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_create_single_data'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='649' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='649' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='650' column='1'/>
+ <parameter type-id='0131eb61' name='show' filepath='fs/proc/generic.c' line='651' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='651' column='1'/>
+ <return type-id='d077e928'/>
+ </function-decl>
+ <function-decl name='proc_dointvec' mangled-name='proc_dointvec' filepath='kernel/sysctl.c' line='803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_dointvec'>
+ <parameter type-id='631dc3c1' name='table' filepath='kernel/sysctl.c' line='803' column='1'/>
+ <parameter type-id='95e97e5e' name='write' filepath='kernel/sysctl.c' line='803' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='kernel/sysctl.c' line='803' column='1'/>
+ <parameter type-id='78c01427' name='lenp' filepath='kernel/sysctl.c' line='804' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='kernel/sysctl.c' line='804' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='proc_dointvec_minmax' mangled-name='proc_dointvec_minmax' filepath='kernel/sysctl.c' line='960' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_dointvec_minmax'>
+ <parameter type-id='631dc3c1' name='table' filepath='kernel/sysctl.c' line='960' column='1'/>
+ <parameter type-id='95e97e5e' name='write' filepath='kernel/sysctl.c' line='960' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='kernel/sysctl.c' line='961' column='1'/>
+ <parameter type-id='78c01427' name='lenp' filepath='kernel/sysctl.c' line='961' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='kernel/sysctl.c' line='961' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='proc_dostring' mangled-name='proc_dostring' filepath='kernel/sysctl.c' line='360' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_dostring'>
+ <parameter type-id='631dc3c1' name='table' filepath='kernel/sysctl.c' line='360' column='1'/>
+ <parameter type-id='95e97e5e' name='write' filepath='kernel/sysctl.c' line='360' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='kernel/sysctl.c' line='361' column='1'/>
+ <parameter type-id='78c01427' name='lenp' filepath='kernel/sysctl.c' line='361' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='kernel/sysctl.c' line='361' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='proc_douintvec_minmax' mangled-name='proc_douintvec_minmax' filepath='kernel/sysctl.c' line='1029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_douintvec_minmax'>
+ <parameter type-id='631dc3c1' name='table' filepath='kernel/sysctl.c' line='1029' column='1'/>
+ <parameter type-id='95e97e5e' name='write' filepath='kernel/sysctl.c' line='1029' column='1'/>
+ <parameter type-id='eaa32e2f' name='buffer' filepath='kernel/sysctl.c' line='1030' column='1'/>
+ <parameter type-id='78c01427' name='lenp' filepath='kernel/sysctl.c' line='1030' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='kernel/sysctl.c' line='1030' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='proc_mkdir' mangled-name='proc_mkdir' filepath='fs/proc/generic.c' line='520' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_mkdir'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='520' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='521' column='1'/>
+ <return type-id='d077e928'/>
+ </function-decl>
+ <function-decl name='proc_mkdir_data' mangled-name='proc_mkdir_data' filepath='fs/proc/generic.c' line='506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_mkdir_data'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='506' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='fs/proc/generic.c' line='506' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='507' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/proc/generic.c' line='507' column='1'/>
+ <return type-id='d077e928'/>
+ </function-decl>
+ <function-decl name='proc_remove' mangled-name='proc_remove' filepath='fs/proc/generic.c' line='792' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_remove'>
+ <parameter type-id='d077e928' name='de' filepath='fs/proc/generic.c' line='792' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='proc_set_size' mangled-name='proc_set_size' filepath='fs/proc/generic.c' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_set_size'>
+ <parameter type-id='d077e928' name='de' filepath='fs/proc/generic.c' line='664' column='1'/>
+ <parameter type-id='69bf7bee' name='size' filepath='fs/proc/generic.c' line='664' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='proc_set_user' mangled-name='proc_set_user' filepath='fs/proc/generic.c' line='670' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_set_user'>
+ <parameter type-id='d077e928' name='de' filepath='fs/proc/generic.c' line='670' column='1'/>
+ <parameter type-id='d80b72e6' name='uid' filepath='fs/proc/generic.c' line='670' column='1'/>
+ <parameter type-id='094d8048' name='gid' filepath='fs/proc/generic.c' line='670' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='proc_symlink' mangled-name='proc_symlink' filepath='fs/proc/generic.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proc_symlink'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='461' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='462' column='1'/>
+ <parameter type-id='80f4b756' name='dest' filepath='fs/proc/generic.c' line='462' column='1'/>
+ <return type-id='d077e928'/>
+ </function-decl>
+ <function-decl name='profile_event_register' mangled-name='profile_event_register' filepath='kernel/profile.c' line='171' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='profile_event_register'>
+ <parameter type-id='ca54968e' name='type' filepath='kernel/profile.c' line='171' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/profile.c' line='171' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='profile_event_unregister' mangled-name='profile_event_unregister' filepath='kernel/profile.c' line='190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='profile_event_unregister'>
+ <parameter type-id='ca54968e' name='type' filepath='kernel/profile.c' line='190' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/profile.c' line='190' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='proto_register' mangled-name='proto_register' filepath='net/core/sock.c' line='3485' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proto_register'>
+ <parameter type-id='d2524501' name='prot' filepath='net/core/sock.c' line='3485' column='1'/>
+ <parameter type-id='95e97e5e' name='alloc_slab' filepath='net/core/sock.c' line='3485' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='proto_unregister' mangled-name='proto_unregister' filepath='net/core/sock.c' line='3549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='proto_unregister'>
+ <parameter type-id='d2524501' name='prot' filepath='net/core/sock.c' line='3549' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ps2_begin_command' mangled-name='ps2_begin_command' filepath='drivers/input/serio/libps2.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_begin_command'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='101' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ps2_cmd_aborted' mangled-name='ps2_cmd_aborted' filepath='drivers/input/serio/libps2.c' line='480' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_cmd_aborted'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='480' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ps2_command' mangled-name='ps2_command' filepath='drivers/input/serio/libps2.c' line='327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_command'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='327' column='1'/>
+ <parameter type-id='8bff8096' name='param' filepath='drivers/input/serio/libps2.c' line='327' column='1'/>
+ <parameter type-id='f0981eeb' name='command' filepath='drivers/input/serio/libps2.c' line='327' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ps2_drain' mangled-name='ps2_drain' filepath='drivers/input/serio/libps2.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_drain'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='122' column='1'/>
+ <parameter type-id='b59d7dce' name='maxbytes' filepath='drivers/input/serio/libps2.c' line='122' column='1'/>
+ <parameter type-id='f0981eeb' name='timeout' filepath='drivers/input/serio/libps2.c' line='122' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ps2_end_command' mangled-name='ps2_end_command' filepath='drivers/input/serio/libps2.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_end_command'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='109' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ps2_handle_ack' mangled-name='ps2_handle_ack' filepath='drivers/input/serio/libps2.c' line='390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_handle_ack'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='390' column='1'/>
+ <parameter type-id='f9b06939' name='data' filepath='drivers/input/serio/libps2.c' line='390' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='ps2_handle_response' mangled-name='ps2_handle_response' filepath='drivers/input/serio/libps2.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_handle_response'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='460' column='1'/>
+ <parameter type-id='f9b06939' name='data' filepath='drivers/input/serio/libps2.c' line='460' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='ps2_init' mangled-name='ps2_init' filepath='drivers/input/serio/libps2.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_init'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='376' column='1'/>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/libps2.c' line='376' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ps2_sendbyte' mangled-name='ps2_sendbyte' filepath='drivers/input/serio/libps2.c' line='86' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_sendbyte'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='86' column='1'/>
+ <parameter type-id='f9b06939' name='byte' filepath='drivers/input/serio/libps2.c' line='86' column='1'/>
+ <parameter type-id='f0981eeb' name='timeout' filepath='drivers/input/serio/libps2.c' line='86' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ps2_sliced_command' mangled-name='ps2_sliced_command' filepath='drivers/input/serio/libps2.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ps2_sliced_command'>
+ <parameter type-id='e357ec39' name='ps2dev' filepath='drivers/input/serio/libps2.c' line='347' column='1'/>
+ <parameter type-id='f9b06939' name='command' filepath='drivers/input/serio/libps2.c' line='347' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pskb_expand_head' mangled-name='pskb_expand_head' filepath='net/core/skbuff.c' line='1623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pskb_expand_head'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1623' column='1'/>
+ <parameter type-id='95e97e5e' name='nhead' filepath='net/core/skbuff.c' line='1623' column='1'/>
+ <parameter type-id='95e97e5e' name='ntail' filepath='net/core/skbuff.c' line='1623' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1624' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pstore_register' mangled-name='pstore_register' filepath='fs/pstore/platform.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pstore_register'>
+ <parameter type-id='54ec2a4d' name='psi' filepath='fs/pstore/platform.c' line='561' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pstore_unregister' mangled-name='pstore_unregister' filepath='fs/pstore/platform.c' line='628' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pstore_unregister'>
+ <parameter type-id='54ec2a4d' name='psi' filepath='fs/pstore/platform.c' line='628' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='public_key_verify_signature' mangled-name='public_key_verify_signature' filepath='crypto/asymmetric_keys/public_key.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='public_key_verify_signature'>
+ <parameter type-id='217d2215' name='pkey' filepath='crypto/asymmetric_keys/public_key.c' line='309' column='1'/>
+ <parameter type-id='2a733fb2' name='sig' filepath='crypto/asymmetric_keys/public_key.c' line='310' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='put_device' mangled-name='put_device' filepath='drivers/base/core.c' line='3336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_device'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/core.c' line='3336' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='put_disk' mangled-name='put_disk' filepath='block/genhd.c' line='1812' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_disk'>
+ <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='1812' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='put_iova_domain' mangled-name='put_iova_domain' filepath='drivers/iommu/iova.c' line='693' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_iova_domain'>
+ <parameter type-id='0c2c419d' name='iovad' filepath='drivers/iommu/iova.c' line='693' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='put_pid' mangled-name='put_pid' filepath='kernel/pid.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_pid'>
+ <parameter type-id='b94e5398' name='pid' filepath='kernel/pid.c' line='105' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='put_sg_io_hdr' mangled-name='put_sg_io_hdr' filepath='block/scsi_ioctl.c' line='548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_sg_io_hdr'>
+ <parameter type-id='8a390024' name='hdr' filepath='block/scsi_ioctl.c' line='548' column='1'/>
+ <parameter type-id='eaa32e2f' name='argp' filepath='block/scsi_ioctl.c' line='548' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='put_task_stack' mangled-name='put_task_stack' filepath='kernel/fork.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_task_stack'>
+ <parameter type-id='f23e2572' name='tsk' filepath='kernel/fork.c' line='441' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='put_tty_driver' mangled-name='put_tty_driver' filepath='drivers/tty/tty_io.c' line='3397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_tty_driver'>
+ <parameter type-id='c2b4b27b' name='d' filepath='drivers/tty/tty_io.c' line='3397' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='put_unused_fd' mangled-name='put_unused_fd' filepath='fs/file.c' line='575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_unused_fd'>
+ <parameter type-id='f0981eeb' name='fd' filepath='fs/file.c' line='575' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='put_vaddr_frames' mangled-name='put_vaddr_frames' filepath='mm/frame_vector.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='put_vaddr_frames'>
+ <parameter type-id='d9fbdc06' name='vec' filepath='mm/frame_vector.c' line='123' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='putback_movable_pages' mangled-name='putback_movable_pages' filepath='mm/migrate.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='putback_movable_pages'>
+ <parameter type-id='e84b031a' name='l' filepath='mm/migrate.c' line='143' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pwm_adjust_config' mangled-name='pwm_adjust_config' filepath='drivers/pwm/core.c' line='695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_adjust_config'>
+ <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='695' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pwm_apply_state' mangled-name='pwm_apply_state' filepath='drivers/pwm/core.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_apply_state'>
+ <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='574' column='1'/>
+ <parameter type-id='73a11e20' name='state' filepath='drivers/pwm/core.c' line='574' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pwm_free' mangled-name='pwm_free' filepath='drivers/pwm/core.c' line='462' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_free'>
+ <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='462' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='pwm_get_chip_data' mangled-name='pwm_get_chip_data' filepath='drivers/pwm/core.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_get_chip_data'>
+ <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='232' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='pwm_request' mangled-name='pwm_request' filepath='drivers/pwm/core.c' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_request'>
+ <parameter type-id='95e97e5e' name='pwm' filepath='drivers/pwm/core.c' line='397' column='1'/>
+ <parameter type-id='80f4b756' name='label' filepath='drivers/pwm/core.c' line='397' column='1'/>
+ <return type-id='f06adae0'/>
+ </function-decl>
+ <function-decl name='pwm_set_chip_data' mangled-name='pwm_set_chip_data' filepath='drivers/pwm/core.c' line='215' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwm_set_chip_data'>
+ <parameter type-id='f06adae0' name='pwm' filepath='drivers/pwm/core.c' line='215' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/pwm/core.c' line='215' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pwmchip_add' mangled-name='pwmchip_add' filepath='drivers/pwm/core.c' line='341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwmchip_add'>
+ <parameter type-id='00cf0c80' name='chip' filepath='drivers/pwm/core.c' line='341' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='pwmchip_remove' mangled-name='pwmchip_remove' filepath='drivers/pwm/core.c' line='356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='pwmchip_remove'>
+ <parameter type-id='00cf0c80' name='chip' filepath='drivers/pwm/core.c' line='356' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='qcom_smem_state_get' mangled-name='qcom_smem_state_get' filepath='drivers/soc/qcom/smem_state.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/soc/qcom/smem_state.c' line='88' column='1'/>
+ <parameter type-id='80f4b756' name='con_id' filepath='drivers/soc/qcom/smem_state.c' line='89' column='1'/>
+ <parameter type-id='807869d3' name='bit' filepath='drivers/soc/qcom/smem_state.c' line='90' column='1'/>
+ <return type-id='01df4674'/>
+ </function-decl>
+ <function-decl name='qcom_smem_state_register' mangled-name='qcom_smem_state_register' filepath='drivers/soc/qcom/smem_state.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_register'>
+ <parameter type-id='9a537bbe' name='of_node' filepath='drivers/soc/qcom/smem_state.c' line='160' column='1'/>
+ <parameter type-id='b86c9da0' name='ops' filepath='drivers/soc/qcom/smem_state.c' line='161' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/soc/qcom/smem_state.c' line='162' column='1'/>
+ <return type-id='01df4674'/>
+ </function-decl>
+ <function-decl name='qcom_smem_state_unregister' mangled-name='qcom_smem_state_unregister' filepath='drivers/soc/qcom/smem_state.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_unregister'>
+ <parameter type-id='01df4674' name='state' filepath='drivers/soc/qcom/smem_state.c' line='188' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='qcom_smem_state_update_bits' mangled-name='qcom_smem_state_update_bits' filepath='drivers/soc/qcom/smem_state.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qcom_smem_state_update_bits'>
+ <parameter type-id='01df4674' name='state' filepath='drivers/soc/qcom/smem_state.c' line='45' column='1'/>
+ <parameter type-id='19c2251e' name='mask' filepath='drivers/soc/qcom/smem_state.c' line='46' column='1'/>
+ <parameter type-id='19c2251e' name='value' filepath='drivers/soc/qcom/smem_state.c' line='47' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='qdisc_reset' mangled-name='qdisc_reset' filepath='net/sched/sch_generic.c' line='943' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='qdisc_reset'>
+ <parameter type-id='ee406209' name='qdisc' filepath='net/sched/sch_generic.c' line='943' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='queue_delayed_work_on' mangled-name='queue_delayed_work_on' filepath='kernel/workqueue.c' line='1685' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='queue_delayed_work_on'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/workqueue.c' line='1685' column='1'/>
+ <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='1685' column='1'/>
+ <parameter type-id='1a7ee447' name='dwork' filepath='kernel/workqueue.c' line='1686' column='1'/>
+ <parameter type-id='7359adad' name='delay' filepath='kernel/workqueue.c' line='1686' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='queue_work_on' mangled-name='queue_work_on' filepath='kernel/workqueue.c' line='1524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='queue_work_on'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/workqueue.c' line='1524' column='1'/>
+ <parameter type-id='242e3d19' name='wq' filepath='kernel/workqueue.c' line='1524' column='1'/>
+ <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='1525' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='radix_tree_delete' mangled-name='radix_tree_delete' filepath='lib/radix-tree.c' line='1443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_delete'>
+ <parameter type-id='60075f2a' name='root' filepath='lib/radix-tree.c' line='1443' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='lib/radix-tree.c' line='1443' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='radix_tree_insert' mangled-name='radix_tree_insert' filepath='lib/radix-tree.c' line='701' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_insert'>
+ <parameter type-id='60075f2a' name='root' filepath='lib/radix-tree.c' line='701' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='lib/radix-tree.c' line='701' column='1'/>
+ <parameter type-id='eaa32e2f' name='item' filepath='lib/radix-tree.c' line='702' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='radix_tree_iter_delete' mangled-name='radix_tree_iter_delete' filepath='lib/radix-tree.c' line='1392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_iter_delete'>
+ <parameter type-id='60075f2a' name='root' filepath='lib/radix-tree.c' line='1392' column='1'/>
+ <parameter type-id='0cbbabe1' name='iter' filepath='lib/radix-tree.c' line='1393' column='1'/>
+ <parameter type-id='63e171df' name='slot' filepath='lib/radix-tree.c' line='1393' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='radix_tree_iter_resume' mangled-name='radix_tree_iter_resume' filepath='lib/radix-tree.c' line='1133' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_iter_resume'>
+ <parameter type-id='63e171df' name='slot' filepath='lib/radix-tree.c' line='1133' column='1'/>
+ <parameter type-id='0cbbabe1' name='iter' filepath='lib/radix-tree.c' line='1134' column='1'/>
+ <return type-id='63e171df'/>
+ </function-decl>
+ <function-decl name='radix_tree_lookup' mangled-name='radix_tree_lookup' filepath='lib/radix-tree.c' line='815' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_lookup'>
+ <parameter type-id='bb0f13d1' name='root' filepath='lib/radix-tree.c' line='815' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='lib/radix-tree.c' line='815' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='radix_tree_maybe_preload' mangled-name='radix_tree_maybe_preload' filepath='lib/radix-tree.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_maybe_preload'>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/radix-tree.c' line='376' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='radix_tree_next_chunk' mangled-name='radix_tree_next_chunk' filepath='lib/radix-tree.c' line='1152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_next_chunk'>
+ <parameter type-id='bb0f13d1' name='root' filepath='lib/radix-tree.c' line='1152' column='1'/>
+ <parameter type-id='0cbbabe1' name='iter' filepath='lib/radix-tree.c' line='1153' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='lib/radix-tree.c' line='1153' column='1'/>
+ <return type-id='63e171df'/>
+ </function-decl>
+ <function-decl name='radix_tree_tagged' mangled-name='radix_tree_tagged' filepath='lib/radix-tree.c' line='1454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='radix_tree_tagged'>
+ <parameter type-id='bb0f13d1' name='root' filepath='lib/radix-tree.c' line='1454' column='1'/>
+ <parameter type-id='f0981eeb' name='tag' filepath='lib/radix-tree.c' line='1454' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rational_best_approximation' mangled-name='rational_best_approximation' filepath='lib/math/rational.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rational_best_approximation'>
+ <parameter type-id='7359adad' name='given_numerator' filepath='lib/math/rational.c' line='35' column='1'/>
+ <parameter type-id='7359adad' name='given_denominator' filepath='lib/math/rational.c' line='35' column='1'/>
+ <parameter type-id='7359adad' name='max_numerator' filepath='lib/math/rational.c' line='36' column='1'/>
+ <parameter type-id='7359adad' name='max_denominator' filepath='lib/math/rational.c' line='36' column='1'/>
+ <parameter type-id='1d2c2b85' name='best_numerator' filepath='lib/math/rational.c' line='37' column='1'/>
+ <parameter type-id='1d2c2b85' name='best_denominator' filepath='lib/math/rational.c' line='37' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='360' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='377' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='e6532500'/>
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+ <return type-id='48b5725f'/>
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+ <return type-id='e6532500'/>
+ </function-decl>
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+ <return type-id='e6532500'/>
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+ <return type-id='e6532500'/>
+ </function-decl>
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+ <parameter type-id='e6532500' name='new' filepath='lib/rbtree.c' line='553' column='1'/>
+ <parameter type-id='c5bcc2c0' name='root' filepath='lib/rbtree.c' line='554' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_barrier_tasks_trace' mangled-name='rcu_barrier_tasks_trace' filepath='kernel/rcu/tasks.h' line='1175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_barrier_tasks_trace'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_bind_current_to_nocb' mangled-name='rcu_bind_current_to_nocb' filepath='kernel/rcu/tree_plugin.h' line='2383' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_bind_current_to_nocb'>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <var-decl name='rcu_cpu_stall_suppress_at_boot' type-id='95e97e5e' mangled-name='rcu_cpu_stall_suppress_at_boot' visibility='default' filepath='kernel/rcu/update.c' line='504' column='1' elf-symbol-id='rcu_cpu_stall_suppress_at_boot'/>
+ <function-decl name='rcu_expedite_gp' mangled-name='rcu_expedite_gp' filepath='kernel/rcu/update.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_expedite_gp'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_force_quiescent_state' mangled-name='rcu_force_quiescent_state' filepath='kernel/rcu/tree.c' line='2640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_force_quiescent_state'>
+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='7359adad' name='j' filepath='kernel/rcu/tree_stall.h' line='806' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_get_gp_kthreads_prio' mangled-name='rcu_get_gp_kthreads_prio' filepath='kernel/rcu/tree.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_get_gp_kthreads_prio'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='7359adad'/>
+ </function-decl>
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+ <return type-id='b50a4934'/>
+ </function-decl>
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+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='rcu_gp_set_torture_wait' mangled-name='rcu_gp_set_torture_wait' filepath='kernel/rcu/tree.c' line='1690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_gp_set_torture_wait'>
+ <parameter type-id='95e97e5e' name='duration' filepath='kernel/rcu/tree.c' line='1690' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_idle_enter' mangled-name='rcu_idle_enter' filepath='kernel/rcu/tree.c' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_idle_enter'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_idle_exit' mangled-name='rcu_idle_exit' filepath='kernel/rcu/tree.c' line='882' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_idle_exit'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_inkernel_boot_has_ended' mangled-name='rcu_inkernel_boot_has_ended' filepath='kernel/rcu/update.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_inkernel_boot_has_ended'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='rcu_is_watching' mangled-name='rcu_is_watching' filepath='kernel/rcu/tree.c' line='1105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_is_watching'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='rcu_jiffies_till_stall_check' mangled-name='rcu_jiffies_till_stall_check' filepath='kernel/rcu/tree_stall.h' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_jiffies_till_stall_check'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rcu_read_unlock_trace_special' mangled-name='rcu_read_unlock_trace_special' filepath='kernel/rcu/tasks.h' line='773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_read_unlock_trace_special'>
+ <parameter type-id='f23e2572' name='t' filepath='kernel/rcu/tasks.h' line='773' column='1'/>
+ <parameter type-id='95e97e5e' name='nesting' filepath='kernel/rcu/tasks.h' line='773' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcu_unexpedite_gp' mangled-name='rcu_unexpedite_gp' filepath='kernel/rcu/update.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcu_unexpedite_gp'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcutorture_get_gp_data' mangled-name='rcutorture_get_gp_data' filepath='kernel/rcu/tree.c' line='598' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcutorture_get_gp_data'>
+ <parameter type-id='f63583e2' name='test_type' filepath='kernel/rcu/tree.c' line='598' column='1'/>
+ <parameter type-id='7292109c' name='flags' filepath='kernel/rcu/tree.c' line='598' column='1'/>
+ <parameter type-id='1d2c2b85' name='gp_seq' filepath='kernel/rcu/tree.c' line='599' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rcuwait_wake_up' mangled-name='rcuwait_wake_up' filepath='kernel/exit.c' line='233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rcuwait_wake_up'>
+ <parameter type-id='9b25216e' name='w' filepath='kernel/exit.c' line='233' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5577' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='rdev_get_drvdata' mangled-name='rdev_get_drvdata' filepath='drivers/regulator/core.c' line='5537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rdev_get_drvdata'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5537' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='rdev_get_id' mangled-name='rdev_get_id' filepath='drivers/regulator/core.c' line='5571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rdev_get_id'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5571' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rdev_get_regmap' mangled-name='rdev_get_regmap' filepath='drivers/regulator/core.c' line='5583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rdev_get_regmap'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5583' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='read_cache_page' mangled-name='read_cache_page' filepath='mm/filemap.c' line='3250' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='read_cache_page'>
+ <parameter type-id='f57039f0' name='mapping' filepath='mm/filemap.c' line='3250' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='mm/filemap.c' line='3251' column='1'/>
+ <parameter type-id='83ac4446' name='filler' filepath='mm/filemap.c' line='3252' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='mm/filemap.c' line='3253' column='1'/>
+ <return type-id='02f11ed4'/>
+ </function-decl>
+ <var-decl name='reboot_mode' type-id='fdb20761' mangled-name='reboot_mode' visibility='default' filepath='kernel/reboot.c' line='34' column='1' elf-symbol-id='reboot_mode'/>
+ <function-decl name='reciprocal_value' mangled-name='reciprocal_value' filepath='lib/math/reciprocal_div.c' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reciprocal_value'>
+ <parameter type-id='19c2251e' name='d' filepath='lib/math/reciprocal_div.c' line='14' column='1'/>
+ <return type-id='80ebe7f7'/>
+ </function-decl>
+ <function-decl name='reclaim_shmem_address_space' mangled-name='reclaim_shmem_address_space' filepath='mm/shmem.c' line='4303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reclaim_shmem_address_space'>
+ <parameter type-id='f57039f0' name='mapping' filepath='mm/shmem.c' line='4303' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='refcount_dec_and_lock' mangled-name='refcount_dec_and_lock' filepath='lib/refcount.c' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refcount_dec_and_lock'>
+ <parameter type-id='35a0b4f8' name='r' filepath='lib/refcount.c' line='144' column='1'/>
+ <parameter type-id='cff2d845' name='lock' filepath='lib/refcount.c' line='144' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='refcount_dec_and_mutex_lock' mangled-name='refcount_dec_and_mutex_lock' filepath='lib/refcount.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refcount_dec_and_mutex_lock'>
+ <parameter type-id='35a0b4f8' name='r' filepath='lib/refcount.c' line='113' column='1'/>
+ <parameter type-id='e0ea832a' name='lock' filepath='lib/refcount.c' line='113' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='refcount_dec_not_one' mangled-name='refcount_dec_not_one' filepath='lib/refcount.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refcount_dec_not_one'>
+ <parameter type-id='35a0b4f8' name='r' filepath='lib/refcount.c' line='74' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='refcount_warn_saturate' mangled-name='refcount_warn_saturate' filepath='lib/refcount.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refcount_warn_saturate'>
+ <parameter type-id='35a0b4f8' name='r' filepath='lib/refcount.c' line='13' column='1'/>
+ <parameter type-id='ff0618be' name='t' filepath='lib/refcount.c' line='13' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='refresh_frequency_limits' mangled-name='refresh_frequency_limits' filepath='drivers/cpufreq/cpufreq.c' line='1147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='refresh_frequency_limits'>
+ <parameter type-id='343c3ae4' name='policy' filepath='drivers/cpufreq/cpufreq.c' line='1147' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regcache_cache_bypass' mangled-name='regcache_cache_bypass' filepath='drivers/base/regmap/regcache.c' line='538' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_cache_bypass'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='538' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/base/regmap/regcache.c' line='538' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regcache_cache_only' mangled-name='regcache_cache_only' filepath='drivers/base/regmap/regcache.c' line='495' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_cache_only'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='495' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/base/regmap/regcache.c' line='495' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regcache_drop_region' mangled-name='regcache_drop_region' filepath='drivers/base/regmap/regcache.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_drop_region'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='463' column='1'/>
+ <parameter type-id='f0981eeb' name='min' filepath='drivers/base/regmap/regcache.c' line='463' column='1'/>
+ <parameter type-id='f0981eeb' name='max' filepath='drivers/base/regmap/regcache.c' line='464' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regcache_mark_dirty' mangled-name='regcache_mark_dirty' filepath='drivers/base/regmap/regcache.c' line='518' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_mark_dirty'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='518' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regcache_sync' mangled-name='regcache_sync' filepath='drivers/base/regmap/regcache.c' line='339' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_sync'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='339' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regcache_sync_region' mangled-name='regcache_sync_region' filepath='drivers/base/regmap/regcache.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regcache_sync_region'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regcache.c' line='408' column='1'/>
+ <parameter type-id='f0981eeb' name='min' filepath='drivers/base/regmap/regcache.c' line='408' column='1'/>
+ <parameter type-id='f0981eeb' name='max' filepath='drivers/base/regmap/regcache.c' line='409' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <parameter type-id='f0981eeb' name='major' filepath='block/genhd.c' line='440' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='block/genhd.c' line='440' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_candev' mangled-name='register_candev' filepath='drivers/net/can/dev/dev.c' line='1275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_candev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='1275' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_chrdev_region' mangled-name='register_chrdev_region' filepath='fs/char_dev.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_chrdev_region'>
+ <parameter type-id='8504f260' name='from' filepath='fs/char_dev.c' line='200' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='200' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/char_dev.c' line='200' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_console' mangled-name='register_console' filepath='kernel/printk/printk.c' line='2776' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_console'>
+ <parameter type-id='b9aa0100' name='newcon' filepath='kernel/printk/printk.c' line='2776' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='register_die_notifier' mangled-name='register_die_notifier' filepath='kernel/notifier.c' line='552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_die_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/notifier.c' line='552' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_filesystem' mangled-name='register_filesystem' filepath='fs/filesystems.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_filesystem'>
+ <parameter type-id='21e53d44' name='fs' filepath='fs/filesystems.c' line='72' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_ftrace_export' mangled-name='register_ftrace_export' filepath='kernel/trace/trace.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_ftrace_export'>
+ <parameter type-id='15dccca9' name='export' filepath='kernel/trace/trace.c' line='377' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_inet6addr_notifier' mangled-name='register_inet6addr_notifier' filepath='net/ipv6/addrconf_core.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_inet6addr_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/ipv6/addrconf_core.c' line='95' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_inetaddr_notifier' mangled-name='register_inetaddr_notifier' filepath='net/ipv4/devinet.c' line='1451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_inetaddr_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/ipv4/devinet.c' line='1451' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_kernel_break_hook' mangled-name='register_kernel_break_hook' filepath='arch/arm64/kernel/debug-monitors.c' line='294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_kernel_break_hook'>
+ <parameter type-id='26d099e0' name='hook' filepath='arch/arm64/kernel/debug-monitors.c' line='294' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='register_kprobe' mangled-name='register_kprobe' filepath='kernel/kprobes.c' line='1682' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_kprobe'>
+ <parameter type-id='0d97a11a' name='p' filepath='kernel/kprobes.c' line='1682' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_kretprobe' mangled-name='register_kretprobe' filepath='kernel/kprobes.c' line='2114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_kretprobe'>
+ <parameter type-id='d15edd25' name='rp' filepath='kernel/kprobes.c' line='2114' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_memory_notifier' mangled-name='register_memory_notifier' filepath='drivers/base/memory.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_memory_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/base/memory.c' line='87' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_module_notifier' mangled-name='register_module_notifier' filepath='kernel/module.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_module_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/module.c' line='309' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_net_sysctl' mangled-name='register_net_sysctl' filepath='net/sysctl_net.c' line='118' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_net_sysctl'>
+ <parameter type-id='a2bff676' name='net' filepath='net/sysctl_net.c' line='118' column='1'/>
+ <parameter type-id='80f4b756' name='path' filepath='net/sysctl_net.c' line='119' column='1'/>
+ <parameter type-id='631dc3c1' name='table' filepath='net/sysctl_net.c' line='119' column='1'/>
+ <return type-id='11b101bb'/>
+ </function-decl>
+ <function-decl name='register_netdev' mangled-name='register_netdev' filepath='net/core/dev.c' line='10230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netdev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10230' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_netdevice' mangled-name='register_netdevice' filepath='net/core/dev.c' line='10001' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netdevice'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10001' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_netdevice_notifier' mangled-name='register_netdevice_notifier' filepath='net/core/dev.c' line='1829' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netdevice_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/core/dev.c' line='1829' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_netevent_notifier' mangled-name='register_netevent_notifier' filepath='net/core/netevent.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_netevent_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/core/netevent.c' line='28' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_oom_notifier' mangled-name='register_oom_notifier' filepath='mm/oom_kill.c' line='1074' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_oom_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='mm/oom_kill.c' line='1074' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_pernet_device' mangled-name='register_pernet_device' filepath='net/core/net_namespace.c' line='1320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_pernet_device'>
+ <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1320' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_pernet_subsys' mangled-name='register_pernet_subsys' filepath='net/core/net_namespace.c' line='1274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_pernet_subsys'>
+ <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1274' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_pm_notifier' mangled-name='register_pm_notifier' filepath='kernel/power/main.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_pm_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/power/main.c' line='71' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_qdisc' mangled-name='register_qdisc' filepath='net/sched/sch_api.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_qdisc'>
+ <parameter type-id='d6369c88' name='qops' filepath='net/sched/sch_api.c' line='130' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_reboot_notifier' mangled-name='register_reboot_notifier' filepath='kernel/reboot.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_reboot_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='91' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_restart_handler' mangled-name='register_restart_handler' filepath='kernel/reboot.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_restart_handler'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='183' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_shrinker' mangled-name='register_shrinker' filepath='mm/vmscan.c' line='410' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_shrinker'>
+ <parameter type-id='4be14597' name='shrinker' filepath='mm/vmscan.c' line='410' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_syscore_ops' mangled-name='register_syscore_ops' filepath='drivers/base/syscore.c' line='22' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_syscore_ops'>
+ <parameter type-id='cbd24a98' name='ops' filepath='drivers/base/syscore.c' line='22' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='register_sysctl' mangled-name='register_sysctl' filepath='fs/proc/proc_sysctl.c' line='1376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_sysctl'>
+ <parameter type-id='80f4b756' name='path' filepath='fs/proc/proc_sysctl.c' line='1376' column='1'/>
+ <parameter type-id='631dc3c1' name='table' filepath='fs/proc/proc_sysctl.c' line='1376' column='1'/>
+ <return type-id='11b101bb'/>
+ </function-decl>
+ <function-decl name='register_sysctl_table' mangled-name='register_sysctl_table' filepath='fs/proc/proc_sysctl.c' line='1588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_sysctl_table'>
+ <parameter type-id='631dc3c1' name='table' filepath='fs/proc/proc_sysctl.c' line='1588' column='1'/>
+ <return type-id='11b101bb'/>
+ </function-decl>
+ <function-decl name='register_virtio_device' mangled-name='register_virtio_device' filepath='drivers/virtio/virtio.c' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_virtio_device'>
+ <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='344' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_virtio_driver' mangled-name='register_virtio_driver' filepath='drivers/virtio/virtio.c' line='320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_virtio_driver'>
+ <parameter type-id='f350dc99' name='driver' filepath='drivers/virtio/virtio.c' line='320' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='register_vmap_purge_notifier' mangled-name='register_vmap_purge_notifier' filepath='mm/vmalloc.c' line='1268' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='register_vmap_purge_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='mm/vmalloc.c' line='1268' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_add_irq_chip' mangled-name='regmap_add_irq_chip' filepath='drivers/base/regmap/regmap-irq.c' line='862' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_add_irq_chip'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap-irq.c' line='862' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='862' column='1'/>
+ <parameter type-id='95e97e5e' name='irq_flags' filepath='drivers/base/regmap/regmap-irq.c' line='862' column='1'/>
+ <parameter type-id='95e97e5e' name='irq_base' filepath='drivers/base/regmap/regmap-irq.c' line='863' column='1'/>
+ <parameter type-id='78965926' name='chip' filepath='drivers/base/regmap/regmap-irq.c' line='863' column='1'/>
+ <parameter type-id='a731d0ec' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='864' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_async_complete' mangled-name='regmap_async_complete' filepath='drivers/base/regmap/regmap.c' line='3152' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_async_complete'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='3152' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_attach_dev' mangled-name='regmap_attach_dev' filepath='drivers/base/regmap/regmap.c' line='611' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_attach_dev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/regmap/regmap.c' line='611' column='1'/>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='611' column='1'/>
+ <parameter type-id='9d19d4a7' name='config' filepath='drivers/base/regmap/regmap.c' line='612' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_bulk_read' mangled-name='regmap_bulk_read' filepath='drivers/base/regmap/regmap.c' line='2948' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_bulk_read'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2948' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2948' column='1'/>
+ <parameter type-id='eaa32e2f' name='val' filepath='drivers/base/regmap/regmap.c' line='2948' column='1'/>
+ <parameter type-id='b59d7dce' name='val_count' filepath='drivers/base/regmap/regmap.c' line='2949' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_bulk_write' mangled-name='regmap_bulk_write' filepath='drivers/base/regmap/regmap.c' line='2204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_bulk_write'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='2204' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='2204' column='1'/>
+ <parameter type-id='eaa32e2f' name='val' filepath='drivers/base/regmap/regmap.c' line='2204' column='1'/>
+ <parameter type-id='b59d7dce' name='val_count' filepath='drivers/base/regmap/regmap.c' line='2205' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_check_range_table' mangled-name='regmap_check_range_table' filepath='drivers/base/regmap/regmap.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_check_range_table'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='74' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='drivers/base/regmap/regmap.c' line='74' column='1'/>
+ <parameter type-id='76a7b3fe' name='table' filepath='drivers/base/regmap/regmap.c' line='75' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='regmap_del_irq_chip' mangled-name='regmap_del_irq_chip' filepath='drivers/base/regmap/regmap-irq.c' line='879' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_del_irq_chip'>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='879' column='1'/>
+ <parameter type-id='a2782ece' name='d' filepath='drivers/base/regmap/regmap-irq.c' line='879' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regmap_exit' mangled-name='regmap_exit' filepath='drivers/base/regmap/regmap.c' line='1475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_exit'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='1475' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regmap_field_read' mangled-name='regmap_field_read' filepath='drivers/base/regmap/regmap.c' line='2888' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_field_read'>
+ <parameter type-id='476eb32c' name='field' filepath='drivers/base/regmap/regmap.c' line='2888' column='1'/>
+ <parameter type-id='807869d3' name='val' filepath='drivers/base/regmap/regmap.c' line='2888' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_field_update_bits_base' mangled-name='regmap_field_update_bits_base' filepath='drivers/base/regmap/regmap.c' line='2147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_field_update_bits_base'>
+ <parameter type-id='476eb32c' name='field' filepath='drivers/base/regmap/regmap.c' line='2147' column='1'/>
+ <parameter type-id='f0981eeb' name='mask' filepath='drivers/base/regmap/regmap.c' line='2148' column='1'/>
+ <parameter type-id='f0981eeb' name='val' filepath='drivers/base/regmap/regmap.c' line='2148' column='1'/>
+ <parameter type-id='d8e6b335' name='change' filepath='drivers/base/regmap/regmap.c' line='2149' column='1'/>
+ <parameter type-id='b50a4934' name='async' filepath='drivers/base/regmap/regmap.c' line='2149' column='1'/>
+ <parameter type-id='b50a4934' name='force' filepath='drivers/base/regmap/regmap.c' line='2149' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_get_device' mangled-name='regmap_get_device' filepath='drivers/base/regmap/regmap.c' line='1548' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_get_device'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap.c' line='1548' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='regmap_irq_get_domain' mangled-name='regmap_irq_get_domain' filepath='drivers/base/regmap/regmap-irq.c' line='1073' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_irq_get_domain'>
+ <parameter type-id='a2782ece' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='1073' column='1'/>
+ <return type-id='7544e824'/>
+ </function-decl>
+ <function-decl name='regmap_irq_get_virq' mangled-name='regmap_irq_get_virq' filepath='drivers/base/regmap/regmap-irq.c' line='1053' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_irq_get_virq'>
+ <parameter type-id='a2782ece' name='data' filepath='drivers/base/regmap/regmap-irq.c' line='1053' column='1'/>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/base/regmap/regmap-irq.c' line='1053' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regmap_mmio_detach_clk' mangled-name='regmap_mmio_detach_clk' filepath='drivers/base/regmap/regmap-mmio.c' line='368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_mmio_detach_clk'>
+ <parameter type-id='29af9a71' name='map' filepath='drivers/base/regmap/regmap-mmio.c' line='368' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regmap_multi_reg_write' mangled-name='regmap_multi_reg_write' filepath='drivers/base/regmap/regmap.c' line='2511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regmap_multi_reg_write'>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/regulator/helpers.c' line='598' column='1'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='850c13f6'/>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='eaa32e2f'/>
+ </function-decl>
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+ <return type-id='f0981eeb'/>
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+ <return type-id='850c13f6'/>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='f0981eeb' name='selector' filepath='drivers/regulator/core.c' line='3070' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <return type-id='95e97e5e'/>
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+ <function-decl name='regulator_map_voltage_linear_range' mangled-name='regulator_map_voltage_linear_range' filepath='drivers/regulator/helpers.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_map_voltage_linear_range'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='407' column='1'/>
+ <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/helpers.c' line='408' column='1'/>
+ <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/helpers.c' line='408' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_notifier_call_chain' mangled-name='regulator_notifier_call_chain' filepath='drivers/regulator/core.c' line='4779' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_notifier_call_chain'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='4779' column='1'/>
+ <parameter type-id='7359adad' name='event' filepath='drivers/regulator/core.c' line='4780' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/regulator/core.c' line='4780' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_put' mangled-name='regulator_put' filepath='drivers/regulator/core.c' line='2169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_put'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='2169' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regulator_register' mangled-name='regulator_register' filepath='drivers/regulator/core.c' line='5172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_register'>
+ <parameter type-id='5629bd41' name='regulator_desc' filepath='drivers/regulator/core.c' line='5172' column='1'/>
+ <parameter type-id='661ccd0c' name='cfg' filepath='drivers/regulator/core.c' line='5173' column='1'/>
+ <return type-id='43c38462'/>
+ </function-decl>
+ <function-decl name='regulator_register_notifier' mangled-name='regulator_register_notifier' filepath='drivers/regulator/core.c' line='4538' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_register_notifier'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4538' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/regulator/core.c' line='4539' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_active_discharge_regmap' mangled-name='regulator_set_active_discharge_regmap' filepath='drivers/regulator/helpers.c' line='748' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_active_discharge_regmap'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='748' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/regulator/helpers.c' line='749' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_current_limit' mangled-name='regulator_set_current_limit' filepath='drivers/regulator/core.c' line='4244' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_current_limit'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4244' column='1'/>
+ <parameter type-id='95e97e5e' name='min_uA' filepath='drivers/regulator/core.c' line='4245' column='1'/>
+ <parameter type-id='95e97e5e' name='max_uA' filepath='drivers/regulator/core.c' line='4245' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_current_limit_regmap' mangled-name='regulator_set_current_limit_regmap' filepath='drivers/regulator/helpers.c' line='775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_current_limit_regmap'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='775' column='1'/>
+ <parameter type-id='95e97e5e' name='min_uA' filepath='drivers/regulator/helpers.c' line='776' column='1'/>
+ <parameter type-id='95e97e5e' name='max_uA' filepath='drivers/regulator/helpers.c' line='776' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_load' mangled-name='regulator_set_load' filepath='drivers/regulator/core.c' line='4450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_load'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4450' column='1'/>
+ <parameter type-id='95e97e5e' name='uA_load' filepath='drivers/regulator/core.c' line='4450' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_mode' mangled-name='regulator_set_mode' filepath='drivers/regulator/core.c' line='4316' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_mode'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4316' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='drivers/regulator/core.c' line='4316' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_pull_down_regmap' mangled-name='regulator_set_pull_down_regmap' filepath='drivers/regulator/helpers.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_pull_down_regmap'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='703' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_voltage' mangled-name='regulator_set_voltage' filepath='drivers/regulator/core.c' line='3930' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_voltage'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='3930' column='1'/>
+ <parameter type-id='95e97e5e' name='min_uV' filepath='drivers/regulator/core.c' line='3930' column='1'/>
+ <parameter type-id='95e97e5e' name='max_uV' filepath='drivers/regulator/core.c' line='3930' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_voltage_sel_regmap' mangled-name='regulator_set_voltage_sel_regmap' filepath='drivers/regulator/helpers.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_voltage_sel_regmap'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/helpers.c' line='261' column='1'/>
+ <parameter type-id='f0981eeb' name='sel' filepath='drivers/regulator/helpers.c' line='261' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_voltage_time' mangled-name='regulator_set_voltage_time' filepath='drivers/regulator/core.c' line='4040' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_voltage_time'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4040' column='1'/>
+ <parameter type-id='95e97e5e' name='old_uV' filepath='drivers/regulator/core.c' line='4041' column='1'/>
+ <parameter type-id='95e97e5e' name='new_uV' filepath='drivers/regulator/core.c' line='4041' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_set_voltage_time_sel' mangled-name='regulator_set_voltage_time_sel' filepath='drivers/regulator/core.c' line='4091' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_set_voltage_time_sel'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='4091' column='1'/>
+ <parameter type-id='f0981eeb' name='old_selector' filepath='drivers/regulator/core.c' line='4092' column='1'/>
+ <parameter type-id='f0981eeb' name='new_selector' filepath='drivers/regulator/core.c' line='4093' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_sync_voltage' mangled-name='regulator_sync_voltage' filepath='drivers/regulator/core.c' line='4120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_sync_voltage'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4120' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='regulator_unregister' mangled-name='regulator_unregister' filepath='drivers/regulator/core.c' line='5414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_unregister'>
+ <parameter type-id='43c38462' name='rdev' filepath='drivers/regulator/core.c' line='5414' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='regulator_unregister_notifier' mangled-name='regulator_unregister_notifier' filepath='drivers/regulator/core.c' line='4553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='regulator_unregister_notifier'>
+ <parameter type-id='850c13f6' name='regulator' filepath='drivers/regulator/core.c' line='4553' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/regulator/core.c' line='4554' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='release_firmware' mangled-name='release_firmware' filepath='drivers/base/firmware_loader/main.c' line='1050' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='release_firmware'>
+ <parameter type-id='fce0537d' name='fw' filepath='drivers/base/firmware_loader/main.c' line='1050' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='release_pages' mangled-name='release_pages' filepath='mm/swap.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='release_pages'>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/swap.c' line='999' column='1'/>
+ <parameter type-id='95e97e5e' name='nr' filepath='mm/swap.c' line='999' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='release_sock' mangled-name='release_sock' filepath='net/core/sock.c' line='3084' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='release_sock'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='3084' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='remap_pfn_range' mangled-name='remap_pfn_range' filepath='mm/memory.c' line='2323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remap_pfn_range'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2323' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2323' column='1'/>
+ <parameter type-id='7359adad' name='pfn' filepath='mm/memory.c' line='2324' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='mm/memory.c' line='2324' column='1'/>
+ <parameter type-id='2e2dcbd3' name='prot' filepath='mm/memory.c' line='2324' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='remap_vmalloc_range' mangled-name='remap_vmalloc_range' filepath='mm/vmalloc.c' line='3080' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remap_vmalloc_range'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/vmalloc.c' line='3080' column='1'/>
+ <parameter type-id='eaa32e2f' name='addr' filepath='mm/vmalloc.c' line='3080' column='1'/>
+ <parameter type-id='7359adad' name='pgoff' filepath='mm/vmalloc.c' line='3081' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='remove_cpu' mangled-name='remove_cpu' filepath='kernel/cpu.c' line='1151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_cpu'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='kernel/cpu.c' line='1151' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='remove_memory_subsection' mangled-name='remove_memory_subsection' filepath='mm/memory_hotplug.c' line='1838' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_memory_subsection'>
+ <parameter type-id='95e97e5e' name='nid' filepath='mm/memory_hotplug.c' line='1838' column='1'/>
+ <parameter type-id='91ce1af9' name='start' filepath='mm/memory_hotplug.c' line='1838' column='1'/>
+ <parameter type-id='91ce1af9' name='size' filepath='mm/memory_hotplug.c' line='1838' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='remove_proc_entry' mangled-name='remove_proc_entry' filepath='fs/proc/generic.c' line='688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_proc_entry'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='688' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='688' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='remove_proc_subtree' mangled-name='remove_proc_subtree' filepath='fs/proc/generic.c' line='727' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_proc_subtree'>
+ <parameter type-id='80f4b756' name='name' filepath='fs/proc/generic.c' line='727' column='1'/>
+ <parameter type-id='d077e928' name='parent' filepath='fs/proc/generic.c' line='727' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='remove_wait_queue' mangled-name='remove_wait_queue' filepath='kernel/sched/wait.c' line='41' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='remove_wait_queue'>
+ <parameter type-id='3f8b2ed3' name='wq_head' filepath='kernel/sched/wait.c' line='41' column='1'/>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='41' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='report_iommu_fault' mangled-name='report_iommu_fault' filepath='drivers/iommu/iommu.c' line='2710' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='report_iommu_fault'>
+ <parameter type-id='bff05edb' name='domain' filepath='drivers/iommu/iommu.c' line='2710' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/iommu/iommu.c' line='2710' column='1'/>
+ <parameter type-id='7359adad' name='iova' filepath='drivers/iommu/iommu.c' line='2711' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='drivers/iommu/iommu.c' line='2711' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='request_any_context_irq' mangled-name='request_any_context_irq' filepath='kernel/irq/manage.c' line='2110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_any_context_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2110' column='1'/>
+ <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/manage.c' line='2110' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/irq/manage.c' line='2111' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/irq/manage.c' line='2111' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='2111' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='request_firmware' mangled-name='request_firmware' filepath='drivers/base/firmware_loader/main.c' line='869' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware'>
+ <parameter type-id='6c2331f5' name='firmware_p' filepath='drivers/base/firmware_loader/main.c' line='869' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='869' column='1'/>
+ <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='870' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='request_firmware_direct' mangled-name='request_firmware_direct' filepath='drivers/base/firmware_loader/main.c' line='921' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware_direct'>
+ <parameter type-id='6c2331f5' name='firmware_p' filepath='drivers/base/firmware_loader/main.c' line='921' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='922' column='1'/>
+ <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='922' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='request_firmware_into_buf' mangled-name='request_firmware_into_buf' filepath='drivers/base/firmware_loader/main.c' line='999' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware_into_buf'>
+ <parameter type-id='6c2331f5' name='firmware_p' filepath='drivers/base/firmware_loader/main.c' line='999' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='999' column='1'/>
+ <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='1000' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/base/firmware_loader/main.c' line='1000' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/base/firmware_loader/main.c' line='1000' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='request_firmware_nowait' mangled-name='request_firmware_nowait' filepath='drivers/base/firmware_loader/main.c' line='1112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_firmware_nowait'>
+ <parameter type-id='2730d015' name='module' filepath='drivers/base/firmware_loader/main.c' line='1113' column='1'/>
+ <parameter type-id='b50a4934' name='uevent' filepath='drivers/base/firmware_loader/main.c' line='1113' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/firmware_loader/main.c' line='1114' column='1'/>
+ <parameter type-id='fa0b179b' name='device' filepath='drivers/base/firmware_loader/main.c' line='1114' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/base/firmware_loader/main.c' line='1114' column='1'/>
+ <parameter type-id='eaa32e2f' name='context' filepath='drivers/base/firmware_loader/main.c' line='1114' column='1'/>
+ <parameter type-id='c8e4e392' name='cont' filepath='drivers/base/firmware_loader/main.c' line='1115' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='request_threaded_irq' mangled-name='request_threaded_irq' filepath='kernel/irq/manage.c' line='2007' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='request_threaded_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='2007' column='1'/>
+ <parameter type-id='29591c9a' name='handler' filepath='kernel/irq/manage.c' line='2007' column='1'/>
+ <parameter type-id='29591c9a' name='thread_fn' filepath='kernel/irq/manage.c' line='2008' column='1'/>
+ <parameter type-id='7359adad' name='irqflags' filepath='kernel/irq/manage.c' line='2008' column='1'/>
+ <parameter type-id='80f4b756' name='devname' filepath='kernel/irq/manage.c' line='2009' column='1'/>
+ <parameter type-id='eaa32e2f' name='dev_id' filepath='kernel/irq/manage.c' line='2009' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='resched_curr' mangled-name='resched_curr' filepath='kernel/sched/core.c' line='626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='resched_curr'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='626' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='reservation_ww_class' type-id='f0dc3c34' mangled-name='reservation_ww_class' visibility='default' filepath='drivers/dma-buf/dma-resv.c' line='52' column='1' elf-symbol-id='reservation_ww_class'/>
+ <function-decl name='reset_control_assert' mangled-name='reset_control_assert' filepath='drivers/reset/core.c' line='344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_assert'>
+ <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='344' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='reset_control_deassert' mangled-name='reset_control_deassert' filepath='drivers/reset/core.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_deassert'>
+ <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='402' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='reset_control_put' mangled-name='reset_control_put' filepath='drivers/reset/core.c' line='762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_put'>
+ <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='762' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='reset_control_reset' mangled-name='reset_control_reset' filepath='drivers/reset/core.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_control_reset'>
+ <parameter type-id='9f9b8114' name='rstc' filepath='drivers/reset/core.c' line='293' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='reset_controller_register' mangled-name='reset_controller_register' filepath='drivers/reset/core.c' line='99' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_controller_register'>
+ <parameter type-id='775147d9' name='rcdev' filepath='drivers/reset/core.c' line='99' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='reset_controller_unregister' mangled-name='reset_controller_unregister' filepath='drivers/reset/core.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='reset_controller_unregister'>
+ <parameter type-id='775147d9' name='rcdev' filepath='drivers/reset/core.c' line='120' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='resume_cpus' mangled-name='resume_cpus' filepath='kernel/cpu.c' line='1333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='resume_cpus'>
+ <parameter type-id='74bccedd' name='cpus' filepath='kernel/cpu.c' line='1333' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='return_address' mangled-name='return_address' filepath='arch/arm64/kernel/return_address.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='return_address'>
+ <parameter type-id='f0981eeb' name='level' filepath='arch/arm64/kernel/return_address.c' line='35' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='revalidate_disk_size' mangled-name='revalidate_disk_size' filepath='fs/block_dev.c' line='1368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='revalidate_disk_size'>
+ <parameter type-id='33c599da' name='disk' filepath='fs/block_dev.c' line='1368' column='1'/>
+ <parameter type-id='b50a4934' name='verbose' filepath='fs/block_dev.c' line='1368' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rfkill_alloc' mangled-name='rfkill_alloc' filepath='net/rfkill/core.c' line='922' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_alloc'>
+ <parameter type-id='80f4b756' name='name' filepath='net/rfkill/core.c' line='922' column='1'/>
+ <parameter type-id='fa0b179b' name='parent' filepath='net/rfkill/core.c' line='923' column='1'/>
+ <parameter type-id='c3f0f7d9' name='type' filepath='net/rfkill/core.c' line='924' column='1'/>
+ <parameter type-id='6a6a70e7' name='ops' filepath='net/rfkill/core.c' line='925' column='1'/>
+ <parameter type-id='eaa32e2f' name='ops_data' filepath='net/rfkill/core.c' line='926' column='1'/>
+ <return type-id='c5b94c75'/>
+ </function-decl>
+ <function-decl name='rfkill_blocked' mangled-name='rfkill_blocked' filepath='net/rfkill/core.c' line='908' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_blocked'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='908' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='rfkill_destroy' mangled-name='rfkill_destroy' filepath='net/rfkill/core.c' line='1099' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_destroy'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='1099' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rfkill_find_type' mangled-name='rfkill_find_type' filepath='net/rfkill/core.c' line='653' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_find_type'>
+ <parameter type-id='80f4b756' name='name' filepath='net/rfkill/core.c' line='653' column='1'/>
+ <return type-id='6bac1cb5'/>
+ </function-decl>
+ <function-decl name='rfkill_init_sw_state' mangled-name='rfkill_init_sw_state' filepath='net/rfkill/core.c' line='592' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_init_sw_state'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='592' column='1'/>
+ <parameter type-id='b50a4934' name='blocked' filepath='net/rfkill/core.c' line='592' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rfkill_pause_polling' mangled-name='rfkill_pause_polling' filepath='net/rfkill/core.c' line='832' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_pause_polling'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='832' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rfkill_register' mangled-name='rfkill_register' filepath='net/rfkill/core.c' line='1005' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_register'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='1005' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rfkill_resume_polling' mangled-name='rfkill_resume_polling' filepath='net/rfkill/core.c' line='844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_resume_polling'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='844' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rfkill_set_hw_state' mangled-name='rfkill_set_hw_state' filepath='net/rfkill/core.c' line='525' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_set_hw_state'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='525' column='1'/>
+ <parameter type-id='b50a4934' name='blocked' filepath='net/rfkill/core.c' line='525' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='rfkill_set_sw_state' mangled-name='rfkill_set_sw_state' filepath='net/rfkill/core.c' line='565' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_set_sw_state'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='565' column='1'/>
+ <parameter type-id='b50a4934' name='blocked' filepath='net/rfkill/core.c' line='565' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='rfkill_unregister' mangled-name='rfkill_unregister' filepath='net/rfkill/core.c' line='1075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rfkill_unregister'>
+ <parameter type-id='c5b94c75' name='rfkill' filepath='net/rfkill/core.c' line='1075' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rhashtable_destroy' mangled-name='rhashtable_destroy' filepath='lib/rhashtable.c' line='1168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhashtable_destroy'>
+ <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='1168' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rhashtable_free_and_destroy' mangled-name='rhashtable_free_and_destroy' filepath='lib/rhashtable.c' line='1130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhashtable_free_and_destroy'>
+ <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='1130' column='1'/>
+ <parameter type-id='debb4ee8' name='free_fn' filepath='lib/rhashtable.c' line='1131' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='lib/rhashtable.c' line='1132' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rhashtable_init' mangled-name='rhashtable_init' filepath='lib/rhashtable.c' line='1015' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhashtable_init'>
+ <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='1015' column='1'/>
+ <parameter type-id='44dbf2cd' name='params' filepath='lib/rhashtable.c' line='1016' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rhashtable_insert_slow' mangled-name='rhashtable_insert_slow' filepath='lib/rhashtable.c' line='629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhashtable_insert_slow'>
+ <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='629' column='1'/>
+ <parameter type-id='eaa32e2f' name='key' filepath='lib/rhashtable.c' line='629' column='1'/>
+ <parameter type-id='3cc8739a' name='obj' filepath='lib/rhashtable.c' line='630' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='rhltable_init' mangled-name='rhltable_init' filepath='lib/rhashtable.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rhltable_init'>
+ <parameter type-id='3c304633' name='hlt' filepath='lib/rhashtable.c' line='1086' column='1'/>
+ <parameter type-id='44dbf2cd' name='params' filepath='lib/rhashtable.c' line='1086' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rht_bucket_nested' mangled-name='rht_bucket_nested' filepath='lib/rhashtable.c' line='1203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rht_bucket_nested'>
+ <parameter type-id='6a4a6779' name='tbl' filepath='lib/rhashtable.c' line='1204' column='1'/>
+ <parameter type-id='f0981eeb' name='hash' filepath='lib/rhashtable.c' line='1204' column='1'/>
+ <return type-id='33f7eff4'/>
+ </function-decl>
+ <function-decl name='rht_bucket_nested_insert' mangled-name='rht_bucket_nested_insert' filepath='lib/rhashtable.c' line='1214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rht_bucket_nested_insert'>
+ <parameter type-id='e6726ce3' name='ht' filepath='lib/rhashtable.c' line='1215' column='1'/>
+ <parameter type-id='35e7a722' name='tbl' filepath='lib/rhashtable.c' line='1215' column='1'/>
+ <parameter type-id='f0981eeb' name='hash' filepath='lib/rhashtable.c' line='1215' column='1'/>
+ <return type-id='33f7eff4'/>
+ </function-decl>
+ <function-decl name='rndis_deregister' mangled-name='rndis_deregister' filepath='drivers/usb/gadget/function/rndis.c' line='928' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_deregister'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='928' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rndis_free_response' mangled-name='rndis_free_response' filepath='drivers/usb/gadget/function/rndis.c' line='1011' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_free_response'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='1011' column='1'/>
+ <parameter type-id='8bff8096' name='buf' filepath='drivers/usb/gadget/function/rndis.c' line='1011' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rndis_get_next_response' mangled-name='rndis_get_next_response' filepath='drivers/usb/gadget/function/rndis.c' line='1024' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_get_next_response'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='1024' column='1'/>
+ <parameter type-id='f9409001' name='length' filepath='drivers/usb/gadget/function/rndis.c' line='1024' column='1'/>
+ <return type-id='8bff8096'/>
+ </function-decl>
+ <function-decl name='rndis_msg_parser' mangled-name='rndis_msg_parser' filepath='drivers/usb/gadget/function/rndis.c' line='787' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_msg_parser'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='787' column='1'/>
+ <parameter type-id='8bff8096' name='buf' filepath='drivers/usb/gadget/function/rndis.c' line='787' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rndis_register' mangled-name='rndis_register' filepath='drivers/usb/gadget/function/rndis.c' line='876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_register'>
+ <parameter type-id='b7f9d8e6' name='resp_avail' filepath='drivers/usb/gadget/function/rndis.c' line='876' column='1'/>
+ <parameter type-id='eaa32e2f' name='v' filepath='drivers/usb/gadget/function/rndis.c' line='876' column='1'/>
+ <return type-id='7c184d88'/>
+ </function-decl>
+ <function-decl name='rndis_set_host_mac' mangled-name='rndis_set_host_mac' filepath='drivers/usb/gadget/function/rndis.c' line='778' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_set_host_mac'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='778' column='1'/>
+ <parameter type-id='bbaf3419' name='addr' filepath='drivers/usb/gadget/function/rndis.c' line='778' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rndis_set_param_dev' mangled-name='rndis_set_param_dev' filepath='drivers/usb/gadget/function/rndis.c' line='952' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_set_param_dev'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='952' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/usb/gadget/function/rndis.c' line='952' column='1'/>
+ <parameter type-id='26d4d46f' name='cdc_filter' filepath='drivers/usb/gadget/function/rndis.c' line='953' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rndis_set_param_medium' mangled-name='rndis_set_param_medium' filepath='drivers/usb/gadget/function/rndis.c' line='983' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_set_param_medium'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='983' column='1'/>
+ <parameter type-id='19c2251e' name='medium' filepath='drivers/usb/gadget/function/rndis.c' line='983' column='1'/>
+ <parameter type-id='19c2251e' name='speed' filepath='drivers/usb/gadget/function/rndis.c' line='983' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rndis_set_param_vendor' mangled-name='rndis_set_param_vendor' filepath='drivers/usb/gadget/function/rndis.c' line='968' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_set_param_vendor'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='968' column='1'/>
+ <parameter type-id='19c2251e' name='vendorID' filepath='drivers/usb/gadget/function/rndis.c' line='968' column='1'/>
+ <parameter type-id='80f4b756' name='vendorDescr' filepath='drivers/usb/gadget/function/rndis.c' line='969' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rndis_signal_connect' mangled-name='rndis_signal_connect' filepath='drivers/usb/gadget/function/rndis.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_signal_connect'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='749' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rndis_uninit' mangled-name='rndis_uninit' filepath='drivers/usb/gadget/function/rndis.c' line='763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rndis_uninit'>
+ <parameter type-id='7c184d88' name='params' filepath='drivers/usb/gadget/function/rndis.c' line='763' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='root_task_group' type-id='2d863538' mangled-name='root_task_group' visibility='default' filepath='kernel/sched/core.c' line='7419' column='1' elf-symbol-id='root_task_group'/>
+ <function-decl name='round_jiffies' mangled-name='round_jiffies' filepath='kernel/time/timer.c' line='390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='round_jiffies'>
+ <parameter type-id='7359adad' name='j' filepath='kernel/time/timer.c' line='390' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='round_jiffies_relative' mangled-name='round_jiffies_relative' filepath='kernel/time/timer.c' line='411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='round_jiffies_relative'>
+ <parameter type-id='7359adad' name='j' filepath='kernel/time/timer.c' line='411' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='round_jiffies_up' mangled-name='round_jiffies_up' filepath='kernel/time/timer.c' line='461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='round_jiffies_up'>
+ <parameter type-id='7359adad' name='j' filepath='kernel/time/timer.c' line='461' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='rpmsg_create_ept' mangled-name='rpmsg_create_ept' filepath='drivers/rpmsg/rpmsg_core.c' line='63' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_create_ept'>
+ <parameter type-id='41ebc58b' name='rpdev' filepath='drivers/rpmsg/rpmsg_core.c' line='63' column='1'/>
+ <parameter type-id='f0966175' name='cb' filepath='drivers/rpmsg/rpmsg_core.c' line='64' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/rpmsg/rpmsg_core.c' line='64' column='1'/>
+ <parameter type-id='e2b27ed1' name='chinfo' filepath='drivers/rpmsg/rpmsg_core.c' line='65' column='1'/>
+ <return type-id='feb59272'/>
+ </function-decl>
+ <function-decl name='rpmsg_destroy_ept' mangled-name='rpmsg_destroy_ept' filepath='drivers/rpmsg/rpmsg_core.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_destroy_ept'>
+ <parameter type-id='feb59272' name='ept' filepath='drivers/rpmsg/rpmsg_core.c' line='82' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rpmsg_find_device' mangled-name='rpmsg_find_device' filepath='drivers/rpmsg/rpmsg_core.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_find_device'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/rpmsg/rpmsg_core.c' line='345' column='1'/>
+ <parameter type-id='cc769659' name='chinfo' filepath='drivers/rpmsg/rpmsg_core.c' line='346' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='rpmsg_get_signals' mangled-name='rpmsg_get_signals' filepath='drivers/rpmsg/rpmsg_core.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_get_signals'>
+ <parameter type-id='feb59272' name='ept' filepath='drivers/rpmsg/rpmsg_core.c' line='292' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rpmsg_poll' mangled-name='rpmsg_poll' filepath='drivers/rpmsg/rpmsg_core.c' line='243' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_poll'>
+ <parameter type-id='feb59272' name='ept' filepath='drivers/rpmsg/rpmsg_core.c' line='243' column='1'/>
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+ <parameter type-id='a54c778f' name='wait' filepath='drivers/rpmsg/rpmsg_core.c' line='244' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='19c2251e' name='dst' filepath='drivers/rpmsg/rpmsg_core.c' line='136' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <function-decl name='rpmsg_set_signals' mangled-name='rpmsg_set_signals' filepath='drivers/rpmsg/rpmsg_core.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_set_signals'>
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+ <parameter type-id='19c2251e' name='clear' filepath='drivers/rpmsg/rpmsg_core.c' line='311' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='19c2251e' name='dst' filepath='drivers/rpmsg/rpmsg_core.c' line='224' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rpmsg_unregister_device' mangled-name='rpmsg_unregister_device' filepath='drivers/rpmsg/rpmsg_core.c' line='580' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rpmsg_unregister_device'>
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+ <parameter type-id='cc769659' name='chinfo' filepath='drivers/rpmsg/rpmsg_core.c' line='581' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
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+ <return type-id='95e97e5e'/>
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+ <parameter type-id='abf87da2' name='mem' filepath='drivers/remoteproc/remoteproc_core.c' line='992' column='1'/>
+ <return type-id='48b5725f'/>
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+ <parameter type-id='3591079f' name='subdev' filepath='drivers/remoteproc/remoteproc_core.c' line='2370' column='1'/>
+ <return type-id='48b5725f'/>
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+ <return type-id='5771c601'/>
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+ <return type-id='95e97e5e'/>
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+ <return type-id='48b5725f'/>
+ </function-decl>
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+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/remoteproc/remoteproc_coredump.c' line='85' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rproc_coredump_add_segment' mangled-name='rproc_coredump_add_segment' filepath='drivers/remoteproc/remoteproc_coredump.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_coredump_add_segment'>
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+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rproc_coredump_cleanup' mangled-name='rproc_coredump_cleanup' filepath='drivers/remoteproc/remoteproc_coredump.c' line='26' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_coredump_cleanup'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_coredump.c' line='26' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rproc_coredump_set_elf_info' mangled-name='rproc_coredump_set_elf_info' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_coredump_set_elf_info'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1'/>
+ <parameter type-id='f9b06939' name='class' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1'/>
+ <parameter type-id='1dc6a898' name='machine' filepath='drivers/remoteproc/remoteproc_coredump.c' line='114' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rproc_coredump_using_sections' mangled-name='rproc_coredump_using_sections' filepath='drivers/remoteproc/remoteproc_coredump.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_coredump_using_sections'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_coredump.c' line='345' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rproc_da_to_va' mangled-name='rproc_da_to_va' filepath='drivers/remoteproc/remoteproc_core.c' line='193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_da_to_va'>
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+ <parameter type-id='91ce1af9' name='da' filepath='drivers/remoteproc/remoteproc_core.c' line='193' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/remoteproc/remoteproc_core.c' line='193' column='1'/>
+ <parameter type-id='d8e6b335' name='is_iomem' filepath='drivers/remoteproc/remoteproc_core.c' line='193' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='rproc_del' mangled-name='rproc_del' filepath='drivers/remoteproc/remoteproc_core.c' line='2292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_del'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2292' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rproc_elf_find_loaded_rsc_table' mangled-name='rproc_elf_find_loaded_rsc_table' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='368' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_elf_find_loaded_rsc_table'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='368' column='1'/>
+ <parameter type-id='fce0537d' name='fw' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='369' column='1'/>
+ <return type-id='954953c8'/>
+ </function-decl>
+ <function-decl name='rproc_elf_get_boot_addr' mangled-name='rproc_elf_get_boot_addr' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_elf_get_boot_addr'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='126' column='1'/>
+ <parameter type-id='fce0537d' name='fw' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='126' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='rproc_elf_load_rsc_table' mangled-name='rproc_elf_load_rsc_table' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_elf_load_rsc_table'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='322' column='1'/>
+ <parameter type-id='fce0537d' name='fw' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='322' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rproc_elf_load_segments' mangled-name='rproc_elf_load_segments' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_elf_load_segments'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='156' column='1'/>
+ <parameter type-id='fce0537d' name='fw' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='156' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rproc_elf_sanity_check' mangled-name='rproc_elf_sanity_check' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_elf_sanity_check'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='35' column='1'/>
+ <parameter type-id='fce0537d' name='fw' filepath='drivers/remoteproc/remoteproc_elf_loader.c' line='35' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rproc_free' mangled-name='rproc_free' filepath='drivers/remoteproc/remoteproc_core.c' line='2255' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_free'>
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+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rproc_get_by_child' mangled-name='rproc_get_by_child' filepath='drivers/remoteproc/remoteproc_core.c' line='2393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_get_by_child'>
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+ <return type-id='5771c601'/>
+ </function-decl>
+ <function-decl name='rproc_get_by_phandle' mangled-name='rproc_get_by_phandle' filepath='drivers/remoteproc/remoteproc_core.c' line='1910' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_get_by_phandle'>
+ <parameter type-id='6e394fba' name='phandle' filepath='drivers/remoteproc/remoteproc_core.c' line='1910' column='1'/>
+ <return type-id='5771c601'/>
+ </function-decl>
+ <function-decl name='rproc_mem_entry_init' mangled-name='rproc_mem_entry_init' filepath='drivers/remoteproc/remoteproc_core.c' line='1014' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_mem_entry_init'>
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+ <parameter type-id='eaa32e2f' name='va' filepath='drivers/remoteproc/remoteproc_core.c' line='1015' column='1'/>
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+ <parameter type-id='06412f4e' name='alloc' filepath='drivers/remoteproc/remoteproc_core.c' line='1016' column='1'/>
+ <parameter type-id='06412f4e' name='release' filepath='drivers/remoteproc/remoteproc_core.c' line='1017' column='1'/>
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+ <parameter is-variadic='yes'/>
+ <return type-id='abf87da2'/>
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+ <function-decl name='rproc_of_parse_firmware' mangled-name='rproc_of_parse_firmware' filepath='drivers/remoteproc/remoteproc_core.c' line='1094' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_of_parse_firmware'>
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+ <parameter type-id='7d3cd834' name='fw_name' filepath='drivers/remoteproc/remoteproc_core.c' line='1094' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <function-decl name='rproc_put' mangled-name='rproc_put' filepath='drivers/remoteproc/remoteproc_core.c' line='2270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rproc_put'>
+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='2270' column='1'/>
+ <return type-id='48b5725f'/>
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+ <return type-id='48b5725f'/>
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+ <parameter type-id='25751b8f' name='type' filepath='drivers/remoteproc/remoteproc_core.c' line='2415' column='1'/>
+ <return type-id='48b5725f'/>
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+ <parameter type-id='5771c601' name='rproc' filepath='drivers/remoteproc/remoteproc_core.c' line='1859' column='1'/>
+ <return type-id='48b5725f'/>
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+ <parameter type-id='95e97e5e' name='notifyid' filepath='drivers/remoteproc/remoteproc_virtio.c' line='51' column='1'/>
+ <return type-id='4bdecfd7'/>
+ </function-decl>
+ <var-decl name='rps_needed' type-id='237c0d27' mangled-name='rps_needed' visibility='default' filepath='net/core/dev.c' line='4284' column='1' elf-symbol-id='rps_needed'/>
+ <function-decl name='rq_flush_dcache_pages' mangled-name='rq_flush_dcache_pages' filepath='block/blk-core.c' line='1531' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rq_flush_dcache_pages'>
+ <parameter type-id='3dad1a48' name='rq' filepath='block/blk-core.c' line='1531' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rt_mutex_lock' mangled-name='rt_mutex_lock' filepath='kernel/locking/rtmutex.c' line='1496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rt_mutex_lock'>
+ <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1496' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rt_mutex_trylock' mangled-name='rt_mutex_trylock' filepath='kernel/locking/rtmutex.c' line='1582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rt_mutex_trylock'>
+ <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1582' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rt_mutex_unlock' mangled-name='rt_mutex_unlock' filepath='kernel/locking/rtmutex.c' line='1602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rt_mutex_unlock'>
+ <parameter type-id='3992a90f' name='lock' filepath='kernel/locking/rtmutex.c' line='1602' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rtc_class_close' mangled-name='rtc_class_close' filepath='drivers/rtc/interface.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_class_close'>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='717' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rtc_class_open' mangled-name='rtc_class_open' filepath='drivers/rtc/interface.c' line='697' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_class_open'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/rtc/interface.c' line='697' column='1'/>
+ <return type-id='5992ae83'/>
+ </function-decl>
+ <function-decl name='rtc_ktime_to_tm' mangled-name='rtc_ktime_to_tm' filepath='drivers/rtc/lib.c' line='134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_ktime_to_tm'>
+ <parameter type-id='fbc017ef' name='kt' filepath='drivers/rtc/lib.c' line='134' column='1'/>
+ <return type-id='fa8285d4'/>
+ </function-decl>
+ <function-decl name='rtc_nvmem_register' mangled-name='rtc_nvmem_register' filepath='drivers/rtc/nvmem.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_nvmem_register'>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/nvmem.c' line='80' column='1'/>
+ <parameter type-id='d06e7441' name='nvmem_config' filepath='drivers/rtc/nvmem.c' line='81' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtc_read_alarm' mangled-name='rtc_read_alarm' filepath='drivers/rtc/interface.c' line='386' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_read_alarm'>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='386' column='1'/>
+ <parameter type-id='6d120807' name='alarm' filepath='drivers/rtc/interface.c' line='386' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtc_read_time' mangled-name='rtc_read_time' filepath='drivers/rtc/interface.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_read_time'>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='110' column='1'/>
+ <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/interface.c' line='110' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtc_set_alarm' mangled-name='rtc_set_alarm' filepath='drivers/rtc/interface.c' line='448' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_set_alarm'>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='448' column='1'/>
+ <parameter type-id='6d120807' name='alarm' filepath='drivers/rtc/interface.c' line='448' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtc_set_time' mangled-name='rtc_set_time' filepath='drivers/rtc/interface.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_set_time'>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='126' column='1'/>
+ <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/interface.c' line='126' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtc_time64_to_tm' mangled-name='rtc_time64_to_tm' filepath='drivers/rtc/lib.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_time64_to_tm'>
+ <parameter type-id='1afd27ac' name='time' filepath='drivers/rtc/lib.c' line='49' column='1'/>
+ <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/lib.c' line='49' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rtc_tm_to_ktime' mangled-name='rtc_tm_to_ktime' filepath='drivers/rtc/lib.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_tm_to_ktime'>
+ <parameter type-id='fa8285d4' name='tm' filepath='drivers/rtc/lib.c' line='125' column='1'/>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='rtc_tm_to_time64' mangled-name='rtc_tm_to_time64' filepath='drivers/rtc/lib.c' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_tm_to_time64'>
+ <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/lib.c' line='115' column='1'/>
+ <return type-id='1afd27ac'/>
+ </function-decl>
+ <function-decl name='rtc_update_irq' mangled-name='rtc_update_irq' filepath='drivers/rtc/interface.c' line='686' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_update_irq'>
+ <parameter type-id='5992ae83' name='rtc' filepath='drivers/rtc/interface.c' line='686' column='1'/>
+ <parameter type-id='7359adad' name='num' filepath='drivers/rtc/interface.c' line='687' column='1'/>
+ <parameter type-id='7359adad' name='events' filepath='drivers/rtc/interface.c' line='687' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rtc_valid_tm' mangled-name='rtc_valid_tm' filepath='drivers/rtc/lib.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_valid_tm'>
+ <parameter type-id='2b8e7a42' name='tm' filepath='drivers/rtc/lib.c' line='94' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtc_year_days' mangled-name='rtc_year_days' filepath='drivers/rtc/lib.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtc_year_days'>
+ <parameter type-id='f0981eeb' name='day' filepath='drivers/rtc/lib.c' line='39' column='1'/>
+ <parameter type-id='f0981eeb' name='month' filepath='drivers/rtc/lib.c' line='39' column='1'/>
+ <parameter type-id='f0981eeb' name='year' filepath='drivers/rtc/lib.c' line='39' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtnl_is_locked' mangled-name='rtnl_is_locked' filepath='net/core/rtnetlink.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_is_locked'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtnl_link_register' mangled-name='rtnl_link_register' filepath='net/core/rtnetlink.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_link_register'>
+ <parameter type-id='959ab461' name='ops' filepath='net/core/rtnetlink.c' line='396' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtnl_link_unregister' mangled-name='rtnl_link_unregister' filepath='net/core/rtnetlink.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_link_unregister'>
+ <parameter type-id='959ab461' name='ops' filepath='net/core/rtnetlink.c' line='478' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rtnl_lock' mangled-name='rtnl_lock' filepath='net/core/rtnetlink.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_lock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rtnl_register_module' mangled-name='rtnl_register_module' filepath='net/core/rtnetlink.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_register_module'>
+ <parameter type-id='2730d015' name='owner' filepath='net/core/rtnetlink.c' line='241' column='1'/>
+ <parameter type-id='95e97e5e' name='protocol' filepath='net/core/rtnetlink.c' line='242' column='1'/>
+ <parameter type-id='95e97e5e' name='msgtype' filepath='net/core/rtnetlink.c' line='242' column='1'/>
+ <parameter type-id='ad8f197c' name='doit' filepath='net/core/rtnetlink.c' line='243' column='1'/>
+ <parameter type-id='5b4c0375' name='dumpit' filepath='net/core/rtnetlink.c' line='243' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='net/core/rtnetlink.c' line='244' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtnl_trylock' mangled-name='rtnl_trylock' filepath='net/core/rtnetlink.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_trylock'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtnl_unicast' mangled-name='rtnl_unicast' filepath='net/core/rtnetlink.c' line='720' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_unicast'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/rtnetlink.c' line='720' column='1'/>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/rtnetlink.c' line='720' column='1'/>
+ <parameter type-id='19c2251e' name='pid' filepath='net/core/rtnetlink.c' line='720' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='rtnl_unlock' mangled-name='rtnl_unlock' filepath='net/core/rtnetlink.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_unlock'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='rtnl_unregister' mangled-name='rtnl_unregister' filepath='net/core/rtnetlink.c' line='287' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='rtnl_unregister'>
+ <parameter type-id='95e97e5e' name='protocol' filepath='net/core/rtnetlink.c' line='287' column='1'/>
+ <parameter type-id='95e97e5e' name='msgtype' filepath='net/core/rtnetlink.c' line='287' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='runqueues' type-id='d5ee6a94' mangled-name='runqueues' visibility='default' filepath='kernel/sched/core.c' line='56' column='1' elf-symbol-id='runqueues'/>
+ <function-decl name='sb800_prefetch' mangled-name='sb800_prefetch' filepath='drivers/usb/host/pci-quirks.c' line='194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sb800_prefetch'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/host/pci-quirks.c' line='194' column='1'/>
+ <parameter type-id='95e97e5e' name='on' filepath='drivers/usb/host/pci-quirks.c' line='194' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sbitmap_add_wait_queue' mangled-name='sbitmap_add_wait_queue' filepath='lib/sbitmap.c' line='649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_add_wait_queue'>
+ <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='649' column='1'/>
+ <parameter type-id='cdff193b' name='ws' filepath='lib/sbitmap.c' line='650' column='1'/>
+ <parameter type-id='2c01b31d' name='sbq_wait' filepath='lib/sbitmap.c' line='651' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sbitmap_any_bit_set' mangled-name='sbitmap_any_bit_set' filepath='lib/sbitmap.c' line='227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_any_bit_set'>
+ <parameter type-id='24e47bfc' name='sb' filepath='lib/sbitmap.c' line='227' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='sbitmap_del_wait_queue' mangled-name='sbitmap_del_wait_queue' filepath='lib/sbitmap.c' line='661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_del_wait_queue'>
+ <parameter type-id='2c01b31d' name='sbq_wait' filepath='lib/sbitmap.c' line='661' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sbitmap_init_node' mangled-name='sbitmap_init_node' filepath='lib/sbitmap.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_init_node'>
+ <parameter type-id='56033689' name='sb' filepath='lib/sbitmap.c' line='44' column='1'/>
+ <parameter type-id='f0981eeb' name='depth' filepath='lib/sbitmap.c' line='44' column='1'/>
+ <parameter type-id='95e97e5e' name='shift' filepath='lib/sbitmap.c' line='44' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='lib/sbitmap.c' line='45' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='lib/sbitmap.c' line='45' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sbitmap_queue_clear' mangled-name='sbitmap_queue_clear' filepath='lib/sbitmap.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_queue_clear'>
+ <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='562' column='1'/>
+ <parameter type-id='f0981eeb' name='nr' filepath='lib/sbitmap.c' line='562' column='1'/>
+ <parameter type-id='f0981eeb' name='cpu' filepath='lib/sbitmap.c' line='563' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sbitmap_queue_init_node' mangled-name='sbitmap_queue_init_node' filepath='lib/sbitmap.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_queue_init_node'>
+ <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='355' column='1'/>
+ <parameter type-id='f0981eeb' name='depth' filepath='lib/sbitmap.c' line='355' column='1'/>
+ <parameter type-id='95e97e5e' name='shift' filepath='lib/sbitmap.c' line='356' column='1'/>
+ <parameter type-id='b50a4934' name='round_robin' filepath='lib/sbitmap.c' line='356' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='lib/sbitmap.c' line='356' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='lib/sbitmap.c' line='356' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sbitmap_queue_min_shallow_depth' mangled-name='sbitmap_queue_min_shallow_depth' filepath='lib/sbitmap.c' line='483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_queue_min_shallow_depth'>
+ <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='483' column='1'/>
+ <parameter type-id='f0981eeb' name='min_shallow_depth' filepath='lib/sbitmap.c' line='484' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sbitmap_queue_resize' mangled-name='sbitmap_queue_resize' filepath='lib/sbitmap.c' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_queue_resize'>
+ <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='417' column='1'/>
+ <parameter type-id='f0981eeb' name='depth' filepath='lib/sbitmap.c' line='417' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sbitmap_queue_show' mangled-name='sbitmap_queue_show' filepath='lib/sbitmap.c' line='613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sbitmap_queue_show'>
+ <parameter type-id='75396bad' name='sbq' filepath='lib/sbitmap.c' line='613' column='1'/>
+ <parameter type-id='f8dc9def' name='m' filepath='lib/sbitmap.c' line='613' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scatterwalk_ffwd' mangled-name='scatterwalk_ffwd' filepath='crypto/scatterwalk.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scatterwalk_ffwd'>
+ <parameter type-id='bf3ef905' name='dst' filepath='crypto/scatterwalk.c' line='72' column='1'/>
+ <parameter type-id='bf3ef905' name='src' filepath='crypto/scatterwalk.c' line='73' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='crypto/scatterwalk.c' line='74' column='1'/>
+ <return type-id='bf3ef905'/>
+ </function-decl>
+ <function-decl name='scatterwalk_map_and_copy' mangled-name='scatterwalk_map_and_copy' filepath='crypto/scatterwalk.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scatterwalk_map_and_copy'>
+ <parameter type-id='eaa32e2f' name='buf' filepath='crypto/scatterwalk.c' line='55' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='crypto/scatterwalk.c' line='55' column='1'/>
+ <parameter type-id='f0981eeb' name='start' filepath='crypto/scatterwalk.c' line='56' column='1'/>
+ <parameter type-id='f0981eeb' name='nbytes' filepath='crypto/scatterwalk.c' line='56' column='1'/>
+ <parameter type-id='95e97e5e' name='out' filepath='crypto/scatterwalk.c' line='56' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sched_clock' mangled-name='sched_clock' filepath='kernel/time/sched_clock.c' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_clock'>
+ <return type-id='3a47d82b'/>
+ </function-decl>
+ <var-decl name='sched_feat_keys' type-id='9cc39ce1' mangled-name='sched_feat_keys' visibility='default' filepath='kernel/sched/debug.c' line='80' column='1' elf-symbol-id='sched_feat_keys'/>
+ <var-decl name='sched_feat_names' type-id='3604aecf' mangled-name='sched_feat_names' visibility='default' filepath='kernel/sched/debug.c' line='51' column='1' elf-symbol-id='sched_feat_names'/>
+ <function-decl name='sched_set_fifo' mangled-name='sched_set_fifo' filepath='kernel/sched/core.c' line='5800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_set_fifo'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5800' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sched_set_fifo_low' mangled-name='sched_set_fifo_low' filepath='kernel/sched/core.c' line='5810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_set_fifo_low'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5810' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sched_set_normal' mangled-name='sched_set_normal' filepath='kernel/sched/core.c' line='5817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_set_normal'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5817' column='1'/>
+ <parameter type-id='95e97e5e' name='nice' filepath='kernel/sched/core.c' line='5817' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sched_setattr' mangled-name='sched_setattr' filepath='kernel/sched/core.c' line='5750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_setattr'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5750' column='1'/>
+ <parameter type-id='8abbb6c3' name='attr' filepath='kernel/sched/core.c' line='5750' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sched_setattr_nocheck' mangled-name='sched_setattr_nocheck' filepath='kernel/sched/core.c' line='5756' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_setattr_nocheck'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5756' column='1'/>
+ <parameter type-id='8abbb6c3' name='attr' filepath='kernel/sched/core.c' line='5756' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sched_setscheduler' mangled-name='sched_setscheduler' filepath='kernel/sched/core.c' line='5743' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_setscheduler'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5743' column='1'/>
+ <parameter type-id='95e97e5e' name='policy' filepath='kernel/sched/core.c' line='5743' column='1'/>
+ <parameter type-id='36fca399' name='param' filepath='kernel/sched/core.c' line='5744' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sched_setscheduler_nocheck' mangled-name='sched_setscheduler_nocheck' filepath='kernel/sched/core.c' line='5775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_setscheduler_nocheck'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5775' column='1'/>
+ <parameter type-id='95e97e5e' name='policy' filepath='kernel/sched/core.c' line='5775' column='1'/>
+ <parameter type-id='36fca399' name='param' filepath='kernel/sched/core.c' line='5776' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sched_show_task' mangled-name='sched_show_task' filepath='kernel/sched/core.c' line='6676' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_show_task'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='6676' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sched_trace_cfs_rq_avg' mangled-name='sched_trace_cfs_rq_avg' filepath='kernel/sched/fair.c' line='11512' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_cfs_rq_avg'>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='kernel/sched/fair.c' line='11512' column='1'/>
+ <return type-id='847e6fee'/>
+ </function-decl>
+ <function-decl name='sched_trace_cfs_rq_cpu' mangled-name='sched_trace_cfs_rq_cpu' filepath='kernel/sched/fair.c' line='11536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_cfs_rq_cpu'>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='kernel/sched/fair.c' line='11536' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sched_trace_cfs_rq_path' mangled-name='sched_trace_cfs_rq_path' filepath='kernel/sched/fair.c' line='11522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_cfs_rq_path'>
+ <parameter type-id='a6892387' name='cfs_rq' filepath='kernel/sched/fair.c' line='11522' column='1'/>
+ <parameter type-id='26a90f95' name='str' filepath='kernel/sched/fair.c' line='11522' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='kernel/sched/fair.c' line='11522' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='sched_trace_rd_span' mangled-name='sched_trace_rd_span' filepath='kernel/sched/fair.c' line='11590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rd_span'>
+ <parameter type-id='c13bca88' name='rd' filepath='kernel/sched/fair.c' line='11590' column='1'/>
+ <return type-id='5f8a1ac4'/>
+ </function-decl>
+ <function-decl name='sched_trace_rq_avg_dl' mangled-name='sched_trace_rq_avg_dl' filepath='kernel/sched/fair.c' line='11552' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_avg_dl'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11552' column='1'/>
+ <return type-id='847e6fee'/>
+ </function-decl>
+ <function-decl name='sched_trace_rq_avg_irq' mangled-name='sched_trace_rq_avg_irq' filepath='kernel/sched/fair.c' line='11562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_avg_irq'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11562' column='1'/>
+ <return type-id='847e6fee'/>
+ </function-decl>
+ <function-decl name='sched_trace_rq_avg_rt' mangled-name='sched_trace_rq_avg_rt' filepath='kernel/sched/fair.c' line='11542' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_avg_rt'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11542' column='1'/>
+ <return type-id='847e6fee'/>
+ </function-decl>
+ <function-decl name='sched_trace_rq_cpu' mangled-name='sched_trace_rq_cpu' filepath='kernel/sched/fair.c' line='11572' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sched_trace_rq_cpu'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/fair.c' line='11572' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='sched_uclamp_used' type-id='237c0d27' mangled-name='sched_uclamp_used' visibility='default' filepath='kernel/sched/core.c' line='966' column='1' elf-symbol-id='sched_uclamp_used'/>
+ <function-decl name='schedule' mangled-name='schedule' filepath='kernel/sched/core.c' line='4851' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='schedule_hrtimeout' mangled-name='schedule_hrtimeout' filepath='kernel/time/hrtimer.c' line='2279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_hrtimeout'>
+ <parameter type-id='44372936' name='expires' filepath='kernel/time/hrtimer.c' line='2279' column='1'/>
+ <parameter type-id='9bedc94f' name='mode' filepath='kernel/time/hrtimer.c' line='2280' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='schedule_timeout' mangled-name='schedule_timeout' filepath='kernel/time/timer.c' line='1841' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_timeout'>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/time/timer.c' line='1841' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='schedule_timeout_interruptible' mangled-name='schedule_timeout_interruptible' filepath='kernel/time/timer.c' line='1897' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_timeout_interruptible'>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/time/timer.c' line='1897' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='schedule_timeout_uninterruptible' mangled-name='schedule_timeout_uninterruptible' filepath='kernel/time/timer.c' line='1911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedule_timeout_uninterruptible'>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/time/timer.c' line='1911' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='schedutil_cpu_util' mangled-name='schedutil_cpu_util' filepath='kernel/sched/cpufreq_schedutil.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='schedutil_cpu_util'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/cpufreq_schedutil.c' line='202' column='1'/>
+ <parameter type-id='7359adad' name='util_cfs' filepath='kernel/sched/cpufreq_schedutil.c' line='202' column='1'/>
+ <parameter type-id='7359adad' name='max' filepath='kernel/sched/cpufreq_schedutil.c' line='203' column='1'/>
+ <parameter type-id='8769acd0' name='type' filepath='kernel/sched/cpufreq_schedutil.c' line='203' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/cpufreq_schedutil.c' line='204' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='scmi_driver_register' mangled-name='scmi_driver_register' filepath='drivers/firmware/arm_scmi/bus.c' line='137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scmi_driver_register'>
+ <parameter type-id='7f2f8862' name='driver' filepath='drivers/firmware/arm_scmi/bus.c' line='137' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/firmware/arm_scmi/bus.c' line='137' column='1'/>
+ <parameter type-id='80f4b756' name='mod_name' filepath='drivers/firmware/arm_scmi/bus.c' line='138' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scmi_driver_unregister' mangled-name='scmi_driver_unregister' filepath='drivers/firmware/arm_scmi/bus.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scmi_driver_unregister'>
+ <parameter type-id='7f2f8862' name='driver' filepath='drivers/firmware/arm_scmi/bus.c' line='162' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scmi_protocol_register' mangled-name='scmi_protocol_register' filepath='drivers/firmware/arm_scmi/bus.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scmi_protocol_register'>
+ <parameter type-id='fb7f0749' name='proto' filepath='drivers/firmware/arm_scmi/bus.c' line='231' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scmi_protocol_unregister' mangled-name='scmi_protocol_unregister' filepath='drivers/firmware/arm_scmi/bus.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scmi_protocol_unregister'>
+ <parameter type-id='fb7f0749' name='proto' filepath='drivers/firmware/arm_scmi/bus.c' line='261' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scnprintf' mangled-name='scnprintf' filepath='lib/vsprintf.c' line='2827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scnprintf'>
+ <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2827' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/vsprintf.c' line='2827' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2827' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_add_host_with_dma' mangled-name='scsi_add_host_with_dma' filepath='drivers/scsi/hosts.c' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_add_host_with_dma'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/hosts.c' line='208' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/hosts.c' line='208' column='1'/>
+ <parameter type-id='fa0b179b' name='dma_dev' filepath='drivers/scsi/hosts.c' line='209' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_autopm_get_device' mangled-name='scsi_autopm_get_device' filepath='drivers/scsi/scsi_pm.c' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_autopm_get_device'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_pm.c' line='298' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_autopm_put_device' mangled-name='scsi_autopm_put_device' filepath='drivers/scsi/scsi_pm.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_autopm_put_device'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_pm.c' line='311' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_block_requests' mangled-name='scsi_block_requests' filepath='drivers/scsi/scsi_lib.c' line='1959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_block_requests'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_lib.c' line='1959' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_block_when_processing_errors' mangled-name='scsi_block_when_processing_errors' filepath='drivers/scsi/scsi_error.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_block_when_processing_errors'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_error.c' line='342' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_change_queue_depth' mangled-name='scsi_change_queue_depth' filepath='drivers/scsi/scsi.c' line='224' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_change_queue_depth'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi.c' line='224' column='1'/>
+ <parameter type-id='95e97e5e' name='depth' filepath='drivers/scsi/scsi.c' line='224' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='scsi_command_size_tbl' type-id='561570b5' mangled-name='scsi_command_size_tbl' visibility='default' filepath='block/scsi_ioctl.c' line='33' column='1' elf-symbol-id='scsi_command_size_tbl'/>
+ <function-decl name='scsi_compat_ioctl' mangled-name='scsi_compat_ioctl' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_compat_ioctl'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='drivers/scsi/scsi_ioctl.c' line='288' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_device_get' mangled-name='scsi_device_get' filepath='drivers/scsi/scsi.c' line='521' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_device_get'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi.c' line='521' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_device_lookup' mangled-name='scsi_device_lookup' filepath='drivers/scsi/scsi.c' line='733' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_device_lookup'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi.c' line='733' column='1'/>
+ <parameter type-id='6e160b14' name='channel' filepath='drivers/scsi/scsi.c' line='734' column='1'/>
+ <parameter type-id='6e160b14' name='id' filepath='drivers/scsi/scsi.c' line='734' column='1'/>
+ <parameter type-id='91ce1af9' name='lun' filepath='drivers/scsi/scsi.c' line='734' column='1'/>
+ <return type-id='eb572b74'/>
+ </function-decl>
+ <function-decl name='scsi_device_put' mangled-name='scsi_device_put' filepath='drivers/scsi/scsi.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_device_put'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi.c' line='546' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_device_quiesce' mangled-name='scsi_device_quiesce' filepath='drivers/scsi/scsi_lib.c' line='2532' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_device_quiesce'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_lib.c' line='2532' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_dma_map' mangled-name='scsi_dma_map' filepath='drivers/scsi/scsi_lib_dma.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_dma_map'>
+ <parameter type-id='0b8718c0' name='cmd' filepath='drivers/scsi/scsi_lib_dma.c' line='23' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_dma_unmap' mangled-name='scsi_dma_unmap' filepath='drivers/scsi/scsi_lib_dma.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_dma_unmap'>
+ <parameter type-id='0b8718c0' name='cmd' filepath='drivers/scsi/scsi_lib_dma.c' line='43' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_eh_ready_devs' mangled-name='scsi_eh_ready_devs' filepath='drivers/scsi/scsi_error.c' line='2083' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_eh_ready_devs'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_error.c' line='2083' column='1'/>
+ <parameter type-id='e84b031a' name='work_q' filepath='drivers/scsi/scsi_error.c' line='2084' column='1'/>
+ <parameter type-id='e84b031a' name='done_q' filepath='drivers/scsi/scsi_error.c' line='2085' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_host_alloc' mangled-name='scsi_host_alloc' filepath='drivers/scsi/hosts.c' line='379' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_host_alloc'>
+ <parameter type-id='36265581' name='sht' filepath='drivers/scsi/hosts.c' line='379' column='1'/>
+ <parameter type-id='95e97e5e' name='privsize' filepath='drivers/scsi/hosts.c' line='379' column='1'/>
+ <return type-id='a970a64c'/>
+ </function-decl>
+ <function-decl name='scsi_host_lookup' mangled-name='scsi_host_lookup' filepath='drivers/scsi/hosts.c' line='545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_host_lookup'>
+ <parameter type-id='8efea9e5' name='hostnum' filepath='drivers/scsi/hosts.c' line='545' column='1'/>
+ <return type-id='a970a64c'/>
+ </function-decl>
+ <function-decl name='scsi_host_put' mangled-name='scsi_host_put' filepath='drivers/scsi/hosts.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_host_put'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/hosts.c' line='603' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_ioctl' mangled-name='scsi_ioctl' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_ioctl'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='drivers/scsi/scsi_ioctl.c' line='273' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_ioctl_block_when_processing_errors' mangled-name='scsi_ioctl_block_when_processing_errors' filepath='drivers/scsi/scsi_ioctl.c' line='306' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_ioctl_block_when_processing_errors'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_ioctl.c' line='306' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='drivers/scsi/scsi_ioctl.c' line='306' column='1'/>
+ <parameter type-id='b50a4934' name='ndelay' filepath='drivers/scsi/scsi_ioctl.c' line='307' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_is_host_device' mangled-name='scsi_is_host_device' filepath='drivers/scsi/hosts.c' line='620' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_is_host_device'>
+ <parameter type-id='8df61054' name='dev' filepath='drivers/scsi/hosts.c' line='620' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_normalize_sense' mangled-name='scsi_normalize_sense' filepath='drivers/scsi/scsi_common.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_normalize_sense'>
+ <parameter type-id='bbaf3419' name='sense_buffer' filepath='drivers/scsi/scsi_common.c' line='138' column='1'/>
+ <parameter type-id='95e97e5e' name='sb_len' filepath='drivers/scsi/scsi_common.c' line='138' column='1'/>
+ <parameter type-id='991b8213' name='sshdr' filepath='drivers/scsi/scsi_common.c' line='139' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='scsi_print_command' mangled-name='scsi_print_command' filepath='drivers/scsi/scsi_logging.c' line='177' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_print_command'>
+ <parameter type-id='0b8718c0' name='cmd' filepath='drivers/scsi/scsi_logging.c' line='177' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_print_sense_hdr' mangled-name='scsi_print_sense_hdr' filepath='drivers/scsi/scsi_logging.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_print_sense_hdr'>
+ <parameter type-id='0f176ec1' name='sdev' filepath='drivers/scsi/scsi_logging.c' line='358' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/scsi/scsi_logging.c' line='358' column='1'/>
+ <parameter type-id='d6a0d460' name='sshdr' filepath='drivers/scsi/scsi_logging.c' line='359' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_register_driver' mangled-name='scsi_register_driver' filepath='drivers/scsi/scsi_sysfs.c' line='1574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_register_driver'>
+ <parameter type-id='00c7b870' name='drv' filepath='drivers/scsi/scsi_sysfs.c' line='1574' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_register_interface' mangled-name='scsi_register_interface' filepath='drivers/scsi/scsi_sysfs.c' line='1582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_register_interface'>
+ <parameter type-id='ec167ceb' name='intf' filepath='drivers/scsi/scsi_sysfs.c' line='1582' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='scsi_remove_device' mangled-name='scsi_remove_device' filepath='drivers/scsi/scsi_sysfs.c' line='1496' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_remove_device'>
+ <parameter type-id='eb572b74' name='sdev' filepath='drivers/scsi/scsi_sysfs.c' line='1496' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_remove_host' mangled-name='scsi_remove_host' filepath='drivers/scsi/hosts.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_remove_host'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/hosts.c' line='164' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_report_bus_reset' mangled-name='scsi_report_bus_reset' filepath='drivers/scsi/scsi_error.c' line='2287' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_report_bus_reset'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_error.c' line='2287' column='1'/>
+ <parameter type-id='95e97e5e' name='channel' filepath='drivers/scsi/scsi_error.c' line='2287' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_scan_host' mangled-name='scsi_scan_host' filepath='drivers/scsi/scsi_scan.c' line='1836' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_scan_host'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_scan.c' line='1836' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='scsi_unblock_requests' mangled-name='scsi_unblock_requests' filepath='drivers/scsi/scsi_lib.c' line='1975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='scsi_unblock_requests'>
+ <parameter type-id='a970a64c' name='shost' filepath='drivers/scsi/scsi_lib.c' line='1975' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdev_prefix_printk' mangled-name='sdev_prefix_printk' filepath='drivers/scsi/scsi_logging.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdev_prefix_printk'>
+ <parameter type-id='80f4b756' name='level' filepath='drivers/scsi/scsi_logging.c' line='53' column='1'/>
+ <parameter type-id='0f176ec1' name='sdev' filepath='drivers/scsi/scsi_logging.c' line='53' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/scsi/scsi_logging.c' line='54' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='drivers/scsi/scsi_logging.c' line='54' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_add_host' mangled-name='sdhci_add_host' filepath='drivers/mmc/host/sdhci.c' line='4762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_add_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4762' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_adma_write_desc' mangled-name='sdhci_adma_write_desc' filepath='drivers/mmc/host/sdhci.c' line='688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_adma_write_desc'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='688' column='1'/>
+ <parameter type-id='63e171df' name='desc' filepath='drivers/mmc/host/sdhci.c' line='688' column='1'/>
+ <parameter type-id='cf29c9b3' name='addr' filepath='drivers/mmc/host/sdhci.c' line='689' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='drivers/mmc/host/sdhci.c' line='689' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/mmc/host/sdhci.c' line='689' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_cleanup_host' mangled-name='sdhci_cleanup_host' filepath='drivers/mmc/host/sdhci.c' line='4673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cleanup_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4673' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_cqe_disable' mangled-name='sdhci_cqe_disable' filepath='drivers/mmc/host/sdhci.c' line='3851' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cqe_disable'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='3851' column='1'/>
+ <parameter type-id='b50a4934' name='recovery' filepath='drivers/mmc/host/sdhci.c' line='3851' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_cqe_enable' mangled-name='sdhci_cqe_enable' filepath='drivers/mmc/host/sdhci.c' line='3807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cqe_enable'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='3807' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_cqe_irq' mangled-name='sdhci_cqe_irq' filepath='drivers/mmc/host/sdhci.c' line='3875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_cqe_irq'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3875' column='1'/>
+ <parameter type-id='19c2251e' name='intmask' filepath='drivers/mmc/host/sdhci.c' line='3875' column='1'/>
+ <parameter type-id='7292109c' name='cmd_error' filepath='drivers/mmc/host/sdhci.c' line='3875' column='1'/>
+ <parameter type-id='7292109c' name='data_error' filepath='drivers/mmc/host/sdhci.c' line='3876' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='sdhci_dumpregs' mangled-name='sdhci_dumpregs' filepath='drivers/mmc/host/sdhci.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_dumpregs'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='57' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_enable_clk' mangled-name='sdhci_enable_clk' filepath='drivers/mmc/host/sdhci.c' line='1944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_enable_clk'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='1944' column='1'/>
+ <parameter type-id='1dc6a898' name='clk' filepath='drivers/mmc/host/sdhci.c' line='1944' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_enable_v4_mode' mangled-name='sdhci_enable_v4_mode' filepath='drivers/mmc/host/sdhci.c' line='145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_enable_v4_mode'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='145' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_execute_tuning' mangled-name='sdhci_execute_tuning' filepath='drivers/mmc/host/sdhci.c' line='2807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_execute_tuning'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='2807' column='1'/>
+ <parameter type-id='19c2251e' name='opcode' filepath='drivers/mmc/host/sdhci.c' line='2807' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_get_property' mangled-name='sdhci_get_property' filepath='drivers/mmc/host/sdhci-pltfm.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_get_property'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='79' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_pltfm_clk_get_max_clock' mangled-name='sdhci_pltfm_clk_get_max_clock' filepath='drivers/mmc/host/sdhci-pltfm.c' line='28' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_clk_get_max_clock'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci-pltfm.c' line='28' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='sdhci_pltfm_free' mangled-name='sdhci_pltfm_free' filepath='drivers/mmc/host/sdhci-pltfm.c' line='165' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_free'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='165' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_pltfm_init' mangled-name='sdhci_pltfm_init' filepath='drivers/mmc/host/sdhci-pltfm.c' line='116' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_init'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='116' column='1'/>
+ <parameter type-id='168dc242' name='pdata' filepath='drivers/mmc/host/sdhci-pltfm.c' line='117' column='1'/>
+ <parameter type-id='b59d7dce' name='priv_size' filepath='drivers/mmc/host/sdhci-pltfm.c' line='118' column='1'/>
+ <return type-id='2661e0d9'/>
+ </function-decl>
+ <function-decl name='sdhci_pltfm_unregister' mangled-name='sdhci_pltfm_unregister' filepath='drivers/mmc/host/sdhci-pltfm.c' line='194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_pltfm_unregister'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/mmc/host/sdhci-pltfm.c' line='194' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_remove_host' mangled-name='sdhci_remove_host' filepath='drivers/mmc/host/sdhci.c' line='4783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_remove_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4783' column='1'/>
+ <parameter type-id='95e97e5e' name='dead' filepath='drivers/mmc/host/sdhci.c' line='4783' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_request' mangled-name='sdhci_request' filepath='drivers/mmc/host/sdhci.c' line='2140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_request'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='2140' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/host/sdhci.c' line='2140' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_request_atomic' mangled-name='sdhci_request_atomic' filepath='drivers/mmc/host/sdhci.c' line='2172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_request_atomic'>
+ <parameter type-id='dd575c43' name='mmc' filepath='drivers/mmc/host/sdhci.c' line='2172' column='1'/>
+ <parameter type-id='47f117d4' name='mrq' filepath='drivers/mmc/host/sdhci.c' line='2172' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_reset' mangled-name='sdhci_reset' filepath='drivers/mmc/host/sdhci.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_reset'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='205' column='1'/>
+ <parameter type-id='f9b06939' name='mask' filepath='drivers/mmc/host/sdhci.c' line='205' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_resume_host' mangled-name='sdhci_resume_host' filepath='drivers/mmc/host/sdhci.c' line='3689' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_resume_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3689' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_runtime_resume_host' mangled-name='sdhci_runtime_resume_host' filepath='drivers/mmc/host/sdhci.c' line='3749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_runtime_resume_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3749' column='1'/>
+ <parameter type-id='95e97e5e' name='soft_reset' filepath='drivers/mmc/host/sdhci.c' line='3749' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_runtime_suspend_host' mangled-name='sdhci_runtime_suspend_host' filepath='drivers/mmc/host/sdhci.c' line='3727' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_runtime_suspend_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3727' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_set_bus_width' mangled-name='sdhci_set_bus_width' filepath='drivers/mmc/host/sdhci.c' line='2206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_bus_width'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2206' column='1'/>
+ <parameter type-id='95e97e5e' name='width' filepath='drivers/mmc/host/sdhci.c' line='2206' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_set_clock' mangled-name='sdhci_set_clock' filepath='drivers/mmc/host/sdhci.c' line='1996' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_clock'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='1996' column='1'/>
+ <parameter type-id='f0981eeb' name='clock' filepath='drivers/mmc/host/sdhci.c' line='1996' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_set_power_and_bus_voltage' mangled-name='sdhci_set_power_and_bus_voltage' filepath='drivers/mmc/host/sdhci.c' line='2121' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_power_and_bus_voltage'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2121' column='1'/>
+ <parameter type-id='002ac4a6' name='mode' filepath='drivers/mmc/host/sdhci.c' line='2122' column='1'/>
+ <parameter type-id='8efea9e5' name='vdd' filepath='drivers/mmc/host/sdhci.c' line='2123' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_set_power_noreg' mangled-name='sdhci_set_power_noreg' filepath='drivers/mmc/host/sdhci.c' line='2025' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_power_noreg'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2025' column='1'/>
+ <parameter type-id='002ac4a6' name='mode' filepath='drivers/mmc/host/sdhci.c' line='2025' column='1'/>
+ <parameter type-id='8efea9e5' name='vdd' filepath='drivers/mmc/host/sdhci.c' line='2026' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_set_uhs_signaling' mangled-name='sdhci_set_uhs_signaling' filepath='drivers/mmc/host/sdhci.c' line='2226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_set_uhs_signaling'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='2226' column='1'/>
+ <parameter type-id='f0981eeb' name='timing' filepath='drivers/mmc/host/sdhci.c' line='2226' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdhci_setup_host' mangled-name='sdhci_setup_host' filepath='drivers/mmc/host/sdhci.c' line='4122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_setup_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='4122' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdhci_suspend_host' mangled-name='sdhci_suspend_host' filepath='drivers/mmc/host/sdhci.c' line='3670' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdhci_suspend_host'>
+ <parameter type-id='2661e0d9' name='host' filepath='drivers/mmc/host/sdhci.c' line='3670' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_claim_host' mangled-name='sdio_claim_host' filepath='drivers/mmc/core/sdio_io.c' line='27' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_claim_host'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='27' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdio_claim_irq' mangled-name='sdio_claim_irq' filepath='drivers/mmc/core/sdio_irq.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_claim_irq'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_irq.c' line='299' column='1'/>
+ <parameter type-id='1d186b8b' name='handler' filepath='drivers/mmc/core/sdio_irq.c' line='299' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_disable_func' mangled-name='sdio_disable_func' filepath='drivers/mmc/core/sdio_io.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_disable_func'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='110' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_enable_func' mangled-name='sdio_enable_func' filepath='drivers/mmc/core/sdio_io.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_enable_func'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='59' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_f0_readb' mangled-name='sdio_f0_readb' filepath='drivers/mmc/core/sdio_io.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_f0_readb'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='631' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='631' column='1'/>
+ <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='632' column='1'/>
+ <return type-id='002ac4a6'/>
+ </function-decl>
+ <function-decl name='sdio_f0_writeb' mangled-name='sdio_f0_writeb' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_f0_writeb'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1'/>
+ <parameter type-id='002ac4a6' name='b' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='667' column='1'/>
+ <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='668' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdio_get_host_pm_caps' mangled-name='sdio_get_host_pm_caps' filepath='drivers/mmc/core/sdio_io.c' line='700' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_get_host_pm_caps'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='700' column='1'/>
+ <return type-id='208a5a8d'/>
+ </function-decl>
+ <function-decl name='sdio_memcpy_fromio' mangled-name='sdio_memcpy_fromio' filepath='drivers/mmc/core/sdio_io.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_memcpy_fromio'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='468' column='1'/>
+ <parameter type-id='eaa32e2f' name='dst' filepath='drivers/mmc/core/sdio_io.c' line='468' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='469' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='469' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_memcpy_toio' mangled-name='sdio_memcpy_toio' filepath='drivers/mmc/core/sdio_io.c' line='485' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_memcpy_toio'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='485' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='485' column='1'/>
+ <parameter type-id='eaa32e2f' name='src' filepath='drivers/mmc/core/sdio_io.c' line='486' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='486' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_readb' mangled-name='sdio_readb' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_readb'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1'/>
+ <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='380' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='sdio_readl' mangled-name='sdio_readl' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_readl'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1'/>
+ <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='584' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='sdio_readsb' mangled-name='sdio_readsb' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_readsb'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1'/>
+ <parameter type-id='eaa32e2f' name='dst' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='502' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='503' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_register_driver' mangled-name='sdio_register_driver' filepath='drivers/mmc/core/sdio_bus.c' line='272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_register_driver'>
+ <parameter type-id='710bea3d' name='drv' filepath='drivers/mmc/core/sdio_bus.c' line='272' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_release_host' mangled-name='sdio_release_host' filepath='drivers/mmc/core/sdio_io.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_release_host'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='43' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdio_release_irq' mangled-name='sdio_release_irq' filepath='drivers/mmc/core/sdio_irq.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_release_irq'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_irq.c' line='342' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_set_block_size' mangled-name='sdio_set_block_size' filepath='drivers/mmc/core/sdio_io.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_set_block_size'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='159' column='1'/>
+ <parameter type-id='f0981eeb' name='blksz' filepath='drivers/mmc/core/sdio_io.c' line='159' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_set_host_pm_flags' mangled-name='sdio_set_host_pm_flags' filepath='drivers/mmc/core/sdio_io.c' line='722' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_set_host_pm_flags'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='722' column='1'/>
+ <parameter type-id='208a5a8d' name='flags' filepath='drivers/mmc/core/sdio_io.c' line='722' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sdio_signal_irq' mangled-name='sdio_signal_irq' filepath='drivers/mmc/core/sdio_irq.c' line='132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_signal_irq'>
+ <parameter type-id='dd575c43' name='host' filepath='drivers/mmc/core/sdio_irq.c' line='132' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdio_unregister_driver' mangled-name='sdio_unregister_driver' filepath='drivers/mmc/core/sdio_bus.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_unregister_driver'>
+ <parameter type-id='710bea3d' name='drv' filepath='drivers/mmc/core/sdio_bus.c' line='284' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdio_writeb' mangled-name='sdio_writeb' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writeb'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+ <parameter type-id='f9b06939' name='b' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+ <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='412' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdio_writeb_readb' mangled-name='sdio_writeb_readb' filepath='drivers/mmc/core/sdio_io.c' line='441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writeb_readb'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='441' column='1'/>
+ <parameter type-id='f9b06939' name='write_byte' filepath='drivers/mmc/core/sdio_io.c' line='441' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='442' column='1'/>
+ <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='442' column='1'/>
+ <return type-id='f9b06939'/>
+ </function-decl>
+ <function-decl name='sdio_writel' mangled-name='sdio_writel' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writel'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+ <parameter type-id='19c2251e' name='b' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+ <parameter type-id='7292109c' name='err_ret' filepath='drivers/mmc/core/sdio_io.c' line='609' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sdio_writesb' mangled-name='sdio_writesb' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sdio_writesb'>
+ <parameter type-id='c1880945' name='func' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1'/>
+ <parameter type-id='f0981eeb' name='addr' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1'/>
+ <parameter type-id='eaa32e2f' name='src' filepath='drivers/mmc/core/sdio_io.c' line='519' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/mmc/core/sdio_io.c' line='520' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='securityfs_create_dir' mangled-name='securityfs_create_dir' filepath='security/inode.c' line='228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='securityfs_create_dir'>
+ <parameter type-id='80f4b756' name='name' filepath='security/inode.c' line='228' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='security/inode.c' line='228' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='securityfs_create_file' mangled-name='securityfs_create_file' filepath='security/inode.c' line='200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='securityfs_create_file'>
+ <parameter type-id='80f4b756' name='name' filepath='security/inode.c' line='200' column='1'/>
+ <parameter type-id='2594b00f' name='mode' filepath='security/inode.c' line='200' column='1'/>
+ <parameter type-id='27675065' name='parent' filepath='security/inode.c' line='201' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='security/inode.c' line='201' column='1'/>
+ <parameter type-id='61758ee5' name='fops' filepath='security/inode.c' line='202' column='1'/>
+ <return type-id='27675065'/>
+ </function-decl>
+ <function-decl name='securityfs_remove' mangled-name='securityfs_remove' filepath='security/inode.c' line='295' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='securityfs_remove'>
+ <parameter type-id='27675065' name='dentry' filepath='security/inode.c' line='295' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='send_sig' mangled-name='send_sig' filepath='kernel/signal.c' line='1626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='send_sig'>
+ <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='1626' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/signal.c' line='1626' column='1'/>
+ <parameter type-id='95e97e5e' name='priv' filepath='kernel/signal.c' line='1626' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='send_sig_info' mangled-name='send_sig_info' filepath='kernel/signal.c' line='1609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='send_sig_info'>
+ <parameter type-id='95e97e5e' name='sig' filepath='kernel/signal.c' line='1609' column='1'/>
+ <parameter type-id='0effb5d0' name='info' filepath='kernel/signal.c' line='1609' column='1'/>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/signal.c' line='1609' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='seq_buf_printf' mangled-name='seq_buf_printf' filepath='lib/seq_buf.c' line='83' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_buf_printf'>
+ <parameter type-id='d898930c' name='s' filepath='lib/seq_buf.c' line='83' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/seq_buf.c' line='83' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='seq_file_path' mangled-name='seq_file_path' filepath='fs/seq_file.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_file_path'>
+ <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='487' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='487' column='1'/>
+ <parameter type-id='80f4b756' name='esc' filepath='fs/seq_file.c' line='487' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='seq_hex_dump' mangled-name='seq_hex_dump' filepath='fs/seq_file.c' line='852' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_hex_dump'>
+ <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='852' column='1'/>
+ <parameter type-id='80f4b756' name='prefix_str' filepath='fs/seq_file.c' line='852' column='1'/>
+ <parameter type-id='95e97e5e' name='prefix_type' filepath='fs/seq_file.c' line='852' column='1'/>
+ <parameter type-id='95e97e5e' name='rowsize' filepath='fs/seq_file.c' line='853' column='1'/>
+ <parameter type-id='95e97e5e' name='groupsize' filepath='fs/seq_file.c' line='853' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='fs/seq_file.c' line='853' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='fs/seq_file.c' line='853' column='1'/>
+ <parameter type-id='b50a4934' name='ascii' filepath='fs/seq_file.c' line='854' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='seq_list_next' mangled-name='seq_list_next' filepath='fs/seq_file.c' line='912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_list_next'>
+ <parameter type-id='eaa32e2f' name='v' filepath='fs/seq_file.c' line='912' column='1'/>
+ <parameter type-id='e84b031a' name='head' filepath='fs/seq_file.c' line='912' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/seq_file.c' line='912' column='1'/>
+ <return type-id='e84b031a'/>
+ </function-decl>
+ <function-decl name='seq_list_start' mangled-name='seq_list_start' filepath='fs/seq_file.c' line='891' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_list_start'>
+ <parameter type-id='e84b031a' name='head' filepath='fs/seq_file.c' line='891' column='1'/>
+ <parameter type-id='69bf7bee' name='pos' filepath='fs/seq_file.c' line='891' column='1'/>
+ <return type-id='e84b031a'/>
+ </function-decl>
+ <function-decl name='seq_lseek' mangled-name='seq_lseek' filepath='fs/seq_file.c' line='308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_lseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='308' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/seq_file.c' line='308' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/seq_file.c' line='308' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <function-decl name='seq_open' mangled-name='seq_open' filepath='fs/seq_file.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_open'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='57' column='1'/>
+ <parameter type-id='943a1b48' name='op' filepath='fs/seq_file.c' line='57' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='seq_open_private' mangled-name='seq_open_private' filepath='fs/seq_file.c' line='645' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_open_private'>
+ <parameter type-id='77e79a4b' name='filp' filepath='fs/seq_file.c' line='645' column='1'/>
+ <parameter type-id='943a1b48' name='ops' filepath='fs/seq_file.c' line='645' column='1'/>
+ <parameter type-id='95e97e5e' name='psize' filepath='fs/seq_file.c' line='646' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='seq_printf' mangled-name='seq_printf' filepath='fs/seq_file.c' line='408' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_printf'>
+ <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='408' column='1'/>
+ <parameter type-id='80f4b756' name='f' filepath='fs/seq_file.c' line='408' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='seq_putc' mangled-name='seq_putc' filepath='fs/seq_file.c' line='652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_putc'>
+ <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='652' column='1'/>
+ <parameter type-id='a84c031d' name='c' filepath='fs/seq_file.c' line='652' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='seq_puts' mangled-name='seq_puts' filepath='fs/seq_file.c' line='661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_puts'>
+ <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='661' column='1'/>
+ <parameter type-id='80f4b756' name='s' filepath='fs/seq_file.c' line='661' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='seq_read' mangled-name='seq_read' filepath='fs/seq_file.c' line='151' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_read'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='151' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/seq_file.c' line='151' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='fs/seq_file.c' line='151' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/seq_file.c' line='151' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='seq_release' mangled-name='seq_release' filepath='fs/seq_file.c' line='352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_release'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/seq_file.c' line='352' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='352' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='seq_release_private' mangled-name='seq_release_private' filepath='fs/seq_file.c' line='609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_release_private'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/seq_file.c' line='609' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='609' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='seq_vprintf' mangled-name='seq_vprintf' filepath='fs/seq_file.c' line='393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_vprintf'>
+ <parameter type-id='f8dc9def' name='m' filepath='fs/seq_file.c' line='393' column='1'/>
+ <parameter type-id='80f4b756' name='f' filepath='fs/seq_file.c' line='393' column='1'/>
+ <parameter type-id='2aee9912' name='args' filepath='fs/seq_file.c' line='393' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='seq_write' mangled-name='seq_write' filepath='fs/seq_file.c' line='818' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='seq_write'>
+ <parameter type-id='f8dc9def' name='seq' filepath='fs/seq_file.c' line='818' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/seq_file.c' line='818' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='fs/seq_file.c' line='818' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='serdev_device_close' mangled-name='serdev_device_close' filepath='drivers/tty/serdev/core.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serdev_device_close'>
+ <parameter type-id='97fbef77' name='serdev' filepath='drivers/tty/serdev/core.c' line='197' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serdev_device_open' mangled-name='serdev_device_open' filepath='drivers/tty/serdev/core.c' line='169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serdev_device_open'>
+ <parameter type-id='97fbef77' name='serdev' filepath='drivers/tty/serdev/core.c' line='169' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='serdev_device_set_baudrate' mangled-name='serdev_device_set_baudrate' filepath='drivers/tty/serdev/core.c' line='362' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serdev_device_set_baudrate'>
+ <parameter type-id='97fbef77' name='serdev' filepath='drivers/tty/serdev/core.c' line='362' column='1'/>
+ <parameter type-id='f0981eeb' name='speed' filepath='drivers/tty/serdev/core.c' line='362' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='serdev_device_set_flow_control' mangled-name='serdev_device_set_flow_control' filepath='drivers/tty/serdev/core.c' line='374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serdev_device_set_flow_control'>
+ <parameter type-id='97fbef77' name='serdev' filepath='drivers/tty/serdev/core.c' line='374' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='drivers/tty/serdev/core.c' line='374' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serdev_device_wait_until_sent' mangled-name='serdev_device_wait_until_sent' filepath='drivers/tty/serdev/core.c' line='397' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serdev_device_wait_until_sent'>
+ <parameter type-id='97fbef77' name='serdev' filepath='drivers/tty/serdev/core.c' line='397' column='1'/>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='drivers/tty/serdev/core.c' line='397' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serdev_device_write' mangled-name='serdev_device_write' filepath='drivers/tty/serdev/core.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serdev_device_write'>
+ <parameter type-id='97fbef77' name='serdev' filepath='drivers/tty/serdev/core.c' line='292' column='1'/>
+ <parameter type-id='354f7eb9' name='buf' filepath='drivers/tty/serdev/core.c' line='293' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='drivers/tty/serdev/core.c' line='293' column='1'/>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='drivers/tty/serdev/core.c' line='294' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='serdev_device_write_wakeup' mangled-name='serdev_device_write_wakeup' filepath='drivers/tty/serdev/core.c' line='237' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serdev_device_write_wakeup'>
+ <parameter type-id='97fbef77' name='serdev' filepath='drivers/tty/serdev/core.c' line='237' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_clear_and_reinit_fifos' mangled-name='serial8250_clear_and_reinit_fifos' filepath='drivers/tty/serial/8250/8250_port.c' line='569' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_clear_and_reinit_fifos'>
+ <parameter type-id='b26c7631' name='p' filepath='drivers/tty/serial/8250/8250_port.c' line='569' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_do_pm' mangled-name='serial8250_do_pm' filepath='drivers/tty/serial/8250/8250_port.c' line='2901' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_pm'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2901' column='1'/>
+ <parameter type-id='f0981eeb' name='state' filepath='drivers/tty/serial/8250/8250_port.c' line='2901' column='1'/>
+ <parameter type-id='f0981eeb' name='oldstate' filepath='drivers/tty/serial/8250/8250_port.c' line='2902' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_do_set_divisor' mangled-name='serial8250_do_set_divisor' filepath='drivers/tty/serial/8250/8250_port.c' line='2604' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_set_divisor'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2604' column='1'/>
+ <parameter type-id='f0981eeb' name='baud' filepath='drivers/tty/serial/8250/8250_port.c' line='2604' column='1'/>
+ <parameter type-id='f0981eeb' name='quot' filepath='drivers/tty/serial/8250/8250_port.c' line='2605' column='1'/>
+ <parameter type-id='f0981eeb' name='quot_frac' filepath='drivers/tty/serial/8250/8250_port.c' line='2605' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_do_set_ldisc' mangled-name='serial8250_do_set_ldisc' filepath='drivers/tty/serial/8250/8250_port.c' line='2874' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_set_ldisc'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2874' column='1'/>
+ <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/serial/8250/8250_port.c' line='2874' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_do_set_termios' mangled-name='serial8250_do_set_termios' filepath='drivers/tty/serial/8250/8250_port.c' line='2727' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_set_termios'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2727' column='1'/>
+ <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/serial/8250/8250_port.c' line='2727' column='1'/>
+ <parameter type-id='e55856e5' name='old' filepath='drivers/tty/serial/8250/8250_port.c' line='2728' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_do_shutdown' mangled-name='serial8250_do_shutdown' filepath='drivers/tty/serial/8250/8250_port.c' line='2452' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_shutdown'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2452' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_do_startup' mangled-name='serial8250_do_startup' filepath='drivers/tty/serial/8250/8250_port.c' line='2166' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_do_startup'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2166' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='serial8250_get_port' mangled-name='serial8250_get_port' filepath='drivers/tty/serial/8250/8250_core.c' line='411' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_get_port'>
+ <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='411' column='1'/>
+ <return type-id='b26c7631'/>
+ </function-decl>
+ <function-decl name='serial8250_handle_irq' mangled-name='serial8250_handle_irq' filepath='drivers/tty/serial/8250/8250_port.c' line='1904' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_handle_irq'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='1904' column='1'/>
+ <parameter type-id='f0981eeb' name='iir' filepath='drivers/tty/serial/8250/8250_port.c' line='1904' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='serial8250_register_8250_port' mangled-name='serial8250_register_8250_port' filepath='drivers/tty/serial/8250/8250_core.c' line='983' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_register_8250_port'>
+ <parameter type-id='b26c7631' name='up' filepath='drivers/tty/serial/8250/8250_core.c' line='983' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='serial8250_resume_port' mangled-name='serial8250_resume_port' filepath='drivers/tty/serial/8250/8250_core.c' line='780' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_resume_port'>
+ <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='780' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_rpm_get' mangled-name='serial8250_rpm_get' filepath='drivers/tty/serial/8250/8250_port.c' line='576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_rpm_get'>
+ <parameter type-id='b26c7631' name='p' filepath='drivers/tty/serial/8250/8250_port.c' line='576' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_rpm_put' mangled-name='serial8250_rpm_put' filepath='drivers/tty/serial/8250/8250_port.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_rpm_put'>
+ <parameter type-id='b26c7631' name='p' filepath='drivers/tty/serial/8250/8250_port.c' line='584' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_suspend_port' mangled-name='serial8250_suspend_port' filepath='drivers/tty/serial/8250/8250_core.c' line='757' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_suspend_port'>
+ <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='757' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_unregister_port' mangled-name='serial8250_unregister_port' filepath='drivers/tty/serial/8250/8250_core.c' line='1137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_unregister_port'>
+ <parameter type-id='95e97e5e' name='line' filepath='drivers/tty/serial/8250/8250_core.c' line='1137' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serial8250_update_uartclk' mangled-name='serial8250_update_uartclk' filepath='drivers/tty/serial/8250/8250_port.c' line='2675' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serial8250_update_uartclk'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/8250/8250_port.c' line='2675' column='1'/>
+ <parameter type-id='f0981eeb' name='uartclk' filepath='drivers/tty/serial/8250/8250_port.c' line='2675' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serio_close' mangled-name='serio_close' filepath='drivers/input/serio/serio.c' line='984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_close'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='984' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serio_interrupt' mangled-name='serio_interrupt' filepath='drivers/input/serio/serio.c' line='993' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_interrupt'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='993' column='1'/>
+ <parameter type-id='002ac4a6' name='data' filepath='drivers/input/serio/serio.c' line='994' column='1'/>
+ <parameter type-id='f0981eeb' name='dfl' filepath='drivers/input/serio/serio.c' line='994' column='1'/>
+ <return type-id='4bdecfd7'/>
+ </function-decl>
+ <function-decl name='serio_open' mangled-name='serio_open' filepath='drivers/input/serio/serio.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_open'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='971' column='1'/>
+ <parameter type-id='1065554a' name='drv' filepath='drivers/input/serio/serio.c' line='971' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='serio_reconnect' mangled-name='serio_reconnect' filepath='drivers/input/serio/serio.c' line='685' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_reconnect'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='685' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serio_rescan' mangled-name='serio_rescan' filepath='drivers/input/serio/serio.c' line='679' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_rescan'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='679' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serio_unregister_child_port' mangled-name='serio_unregister_child_port' filepath='drivers/input/serio/serio.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_unregister_child_port'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='717' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serio_unregister_driver' mangled-name='serio_unregister_driver' filepath='drivers/input/serio/serio.c' line='853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_unregister_driver'>
+ <parameter type-id='1065554a' name='drv' filepath='drivers/input/serio/serio.c' line='853' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='serio_unregister_port' mangled-name='serio_unregister_port' filepath='drivers/input/serio/serio.c' line='705' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='serio_unregister_port'>
+ <parameter type-id='95dc69d1' name='serio' filepath='drivers/input/serio/serio.c' line='705' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='set_blocksize' mangled-name='set_blocksize' filepath='fs/block_dev.c' line='157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_blocksize'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='157' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='fs/block_dev.c' line='157' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='set_capacity_revalidate_and_notify' mangled-name='set_capacity_revalidate_and_notify' filepath='block/genhd.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_capacity_revalidate_and_notify'>
+ <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='52' column='1'/>
+ <parameter type-id='a42536cd' name='size' filepath='block/genhd.c' line='52' column='1'/>
+ <parameter type-id='b50a4934' name='update_bdev' filepath='block/genhd.c' line='53' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='set_cpus_allowed_ptr' mangled-name='set_cpus_allowed_ptr' filepath='kernel/sched/core.c' line='2076' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_cpus_allowed_ptr'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='2076' column='1'/>
+ <parameter type-id='5f8a1ac4' name='new_mask' filepath='kernel/sched/core.c' line='2076' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='set_disk_ro' mangled-name='set_disk_ro' filepath='block/genhd.c' line='1857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_disk_ro'>
+ <parameter type-id='33c599da' name='disk' filepath='block/genhd.c' line='1857' column='1'/>
+ <parameter type-id='95e97e5e' name='flag' filepath='block/genhd.c' line='1857' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='set_freezable' mangled-name='set_freezable' filepath='kernel/freezer.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_freezable'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='set_normalized_timespec64' mangled-name='set_normalized_timespec64' filepath='kernel/time/time.c' line='478' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_normalized_timespec64'>
+ <parameter type-id='4151733d' name='ts' filepath='kernel/time/time.c' line='478' column='1'/>
+ <parameter type-id='1afd27ac' name='sec' filepath='kernel/time/time.c' line='478' column='1'/>
+ <parameter type-id='9b7c55ef' name='nsec' filepath='kernel/time/time.c' line='478' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='set_page_dirty' mangled-name='set_page_dirty' filepath='mm/page-writeback.c' line='2563' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_page_dirty'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page-writeback.c' line='2563' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='set_page_dirty_lock' mangled-name='set_page_dirty_lock' filepath='mm/page-writeback.c' line='2606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_page_dirty_lock'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page-writeback.c' line='2606' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='set_task_cpu' mangled-name='set_task_cpu' filepath='kernel/sched/core.c' line='2150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_task_cpu'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='2150' column='1'/>
+ <parameter type-id='f0981eeb' name='new_cpu' filepath='kernel/sched/core.c' line='2150' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='set_user_nice' mangled-name='set_user_nice' filepath='kernel/sched/core.c' line='5220' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='set_user_nice'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='5220' column='1'/>
+ <parameter type-id='bd54fe1a' name='nice' filepath='kernel/sched/core.c' line='5220' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sg_alloc_table' mangled-name='sg_alloc_table' filepath='lib/scatterlist.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_alloc_table'>
+ <parameter type-id='4adb0e6a' name='table' filepath='lib/scatterlist.c' line='355' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='355' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/scatterlist.c' line='355' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sg_alloc_table_from_pages' mangled-name='sg_alloc_table_from_pages' filepath='lib/scatterlist.c' line='545' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_alloc_table_from_pages'>
+ <parameter type-id='4adb0e6a' name='sgt' filepath='lib/scatterlist.c' line='545' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='lib/scatterlist.c' line='545' column='1'/>
+ <parameter type-id='f0981eeb' name='n_pages' filepath='lib/scatterlist.c' line='546' column='1'/>
+ <parameter type-id='f0981eeb' name='offset' filepath='lib/scatterlist.c' line='546' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='lib/scatterlist.c' line='547' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='lib/scatterlist.c' line='547' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sg_copy_from_buffer' mangled-name='sg_copy_from_buffer' filepath='lib/scatterlist.c' line='967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_copy_from_buffer'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='967' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='967' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='968' column='1'/>
+ <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='968' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='sg_copy_to_buffer' mangled-name='sg_copy_to_buffer' filepath='lib/scatterlist.c' line='984' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_copy_to_buffer'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='984' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='984' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='985' column='1'/>
+ <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='985' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='sg_free_table' mangled-name='sg_free_table' filepath='lib/scatterlist.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_free_table'>
+ <parameter type-id='4adb0e6a' name='table' filepath='lib/scatterlist.c' line='239' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sg_init_one' mangled-name='sg_init_one' filepath='lib/scatterlist.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_init_one'>
+ <parameter type-id='bf3ef905' name='sg' filepath='lib/scatterlist.c' line='138' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='138' column='1'/>
+ <parameter type-id='f0981eeb' name='buflen' filepath='lib/scatterlist.c' line='138' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sg_init_table' mangled-name='sg_init_table' filepath='lib/scatterlist.c' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_init_table'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='124' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='124' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sg_last' mangled-name='sg_last' filepath='lib/scatterlist.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_last'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='101' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='101' column='1'/>
+ <return type-id='bf3ef905'/>
+ </function-decl>
+ <function-decl name='sg_miter_next' mangled-name='sg_miter_next' filepath='lib/scatterlist.c' line='844' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_miter_next'>
+ <parameter type-id='a462f2f9' name='miter' filepath='lib/scatterlist.c' line='844' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='sg_miter_start' mangled-name='sg_miter_start' filepath='lib/scatterlist.c' line='755' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_miter_start'>
+ <parameter type-id='a462f2f9' name='miter' filepath='lib/scatterlist.c' line='755' column='1'/>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='755' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='756' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='lib/scatterlist.c' line='756' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sg_miter_stop' mangled-name='sg_miter_stop' filepath='lib/scatterlist.c' line='881' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_miter_stop'>
+ <parameter type-id='a462f2f9' name='miter' filepath='lib/scatterlist.c' line='881' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sg_nents_for_len' mangled-name='sg_nents_for_len' filepath='lib/scatterlist.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_nents_for_len'>
+ <parameter type-id='bf3ef905' name='sg' filepath='lib/scatterlist.c' line='68' column='1'/>
+ <parameter type-id='91ce1af9' name='len' filepath='lib/scatterlist.c' line='68' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sg_next' mangled-name='sg_next' filepath='lib/scatterlist.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_next'>
+ <parameter type-id='bf3ef905' name='sg' filepath='lib/scatterlist.c' line='23' column='1'/>
+ <return type-id='bf3ef905'/>
+ </function-decl>
+ <function-decl name='sg_pcopy_from_buffer' mangled-name='sg_pcopy_from_buffer' filepath='lib/scatterlist.c' line='1002' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_pcopy_from_buffer'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='1002' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='1002' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='1003' column='1'/>
+ <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='1003' column='1'/>
+ <parameter type-id='ad707ada' name='skip' filepath='lib/scatterlist.c' line='1003' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='sg_pcopy_to_buffer' mangled-name='sg_pcopy_to_buffer' filepath='lib/scatterlist.c' line='1020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_pcopy_to_buffer'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='1020' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='1020' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='lib/scatterlist.c' line='1021' column='1'/>
+ <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='1021' column='1'/>
+ <parameter type-id='ad707ada' name='skip' filepath='lib/scatterlist.c' line='1021' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='sg_scsi_ioctl' mangled-name='sg_scsi_ioctl' filepath='block/scsi_ioctl.c' line='407' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_scsi_ioctl'>
+ <parameter type-id='e7d2a5fc' name='q' filepath='block/scsi_ioctl.c' line='407' column='1'/>
+ <parameter type-id='33c599da' name='disk' filepath='block/scsi_ioctl.c' line='407' column='1'/>
+ <parameter type-id='2665334e' name='mode' filepath='block/scsi_ioctl.c' line='407' column='1'/>
+ <parameter type-id='2926d4f3' name='sic' filepath='block/scsi_ioctl.c' line='408' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sg_zero_buffer' mangled-name='sg_zero_buffer' filepath='lib/scatterlist.c' line='1036' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sg_zero_buffer'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='1036' column='1'/>
+ <parameter type-id='f0981eeb' name='nents' filepath='lib/scatterlist.c' line='1036' column='1'/>
+ <parameter type-id='b59d7dce' name='buflen' filepath='lib/scatterlist.c' line='1037' column='1'/>
+ <parameter type-id='ad707ada' name='skip' filepath='lib/scatterlist.c' line='1037' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='sget_fc' mangled-name='sget_fc' filepath='fs/super.c' line='511' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sget_fc'>
+ <parameter type-id='5760dcb0' name='fc' filepath='fs/super.c' line='511' column='1'/>
+ <parameter type-id='30341fa1' name='test' filepath='fs/super.c' line='512' column='1'/>
+ <parameter type-id='30341fa1' name='set' filepath='fs/super.c' line='513' column='1'/>
+ <return type-id='42c8f564'/>
+ </function-decl>
+ <function-decl name='sgl_alloc' mangled-name='sgl_alloc' filepath='lib/scatterlist.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sgl_alloc'>
+ <parameter type-id='3a47d82b' name='length' filepath='lib/scatterlist.c' line='621' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/scatterlist.c' line='621' column='1'/>
+ <parameter type-id='807869d3' name='nent_p' filepath='lib/scatterlist.c' line='622' column='1'/>
+ <return type-id='bf3ef905'/>
+ </function-decl>
+ <function-decl name='sgl_free' mangled-name='sgl_free' filepath='lib/scatterlist.c' line='673' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sgl_free'>
+ <parameter type-id='bf3ef905' name='sgl' filepath='lib/scatterlist.c' line='673' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sha1_init' mangled-name='sha1_init' filepath='lib/sha1.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha1_init'>
+ <parameter type-id='cd1b45ab' name='buf' filepath='lib/sha1.c' line='196' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sha1_transform' mangled-name='sha1_transform' filepath='lib/sha1.c' line='84' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha1_transform'>
+ <parameter type-id='cd1b45ab' name='digest' filepath='lib/sha1.c' line='84' column='1'/>
+ <parameter type-id='80f4b756' name='data' filepath='lib/sha1.c' line='84' column='1'/>
+ <parameter type-id='cd1b45ab' name='array' filepath='lib/sha1.c' line='84' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sha224_final' mangled-name='sha224_final' filepath='lib/crypto/sha256.c' line='278' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha224_final'>
+ <parameter type-id='49e4c88e' name='sctx' filepath='lib/crypto/sha256.c' line='278' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='lib/crypto/sha256.c' line='278' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sha256' mangled-name='sha256' filepath='lib/crypto/sha256.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha256'>
+ <parameter type-id='bbaf3419' name='data' filepath='lib/crypto/sha256.c' line='284' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='lib/crypto/sha256.c' line='284' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='lib/crypto/sha256.c' line='284' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sha256_final' mangled-name='sha256_final' filepath='lib/crypto/sha256.c' line='272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha256_final'>
+ <parameter type-id='49e4c88e' name='sctx' filepath='lib/crypto/sha256.c' line='272' column='1'/>
+ <parameter type-id='8bff8096' name='out' filepath='lib/crypto/sha256.c' line='272' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sha256_update' mangled-name='sha256_update' filepath='lib/crypto/sha256.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sha256_update'>
+ <parameter type-id='49e4c88e' name='sctx' filepath='lib/crypto/sha256.c' line='210' column='1'/>
+ <parameter type-id='bbaf3419' name='data' filepath='lib/crypto/sha256.c' line='210' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='lib/crypto/sha256.c' line='210' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='shash_free_singlespawn_instance' mangled-name='shash_free_singlespawn_instance' filepath='crypto/shash.c' line='619' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shash_free_singlespawn_instance'>
+ <parameter type-id='9414c4b6' name='inst' filepath='crypto/shash.c' line='619' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='shash_register_instance' mangled-name='shash_register_instance' filepath='crypto/shash.c' line='603' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shash_register_instance'>
+ <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/shash.c' line='603' column='1'/>
+ <parameter type-id='9414c4b6' name='inst' filepath='crypto/shash.c' line='604' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='shmem_file_setup' mangled-name='shmem_file_setup' filepath='mm/shmem.c' line='4204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shmem_file_setup'>
+ <parameter type-id='80f4b756' name='name' filepath='mm/shmem.c' line='4204' column='1'/>
+ <parameter type-id='69bf7bee' name='size' filepath='mm/shmem.c' line='4204' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='mm/shmem.c' line='4204' column='1'/>
+ <return type-id='77e79a4b'/>
+ </function-decl>
+ <function-decl name='shmem_mark_page_lazyfree' mangled-name='shmem_mark_page_lazyfree' filepath='mm/shmem.c' line='4297' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shmem_mark_page_lazyfree'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/shmem.c' line='4297' column='1'/>
+ <parameter type-id='b50a4934' name='tail' filepath='mm/shmem.c' line='4297' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='shmem_read_mapping_page_gfp' mangled-name='shmem_read_mapping_page_gfp' filepath='mm/shmem.c' line='4272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shmem_read_mapping_page_gfp'>
+ <parameter type-id='f57039f0' name='mapping' filepath='mm/shmem.c' line='4272' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='mm/shmem.c' line='4273' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='mm/shmem.c' line='4273' column='1'/>
+ <return type-id='02f11ed4'/>
+ </function-decl>
+ <function-decl name='shmem_truncate_range' mangled-name='shmem_truncate_range' filepath='mm/shmem.c' line='1062' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='shmem_truncate_range'>
+ <parameter type-id='7e666abe' name='inode' filepath='mm/shmem.c' line='1062' column='1'/>
+ <parameter type-id='69bf7bee' name='lstart' filepath='mm/shmem.c' line='1062' column='1'/>
+ <parameter type-id='69bf7bee' name='lend' filepath='mm/shmem.c' line='1062' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='show_rcu_gp_kthreads' mangled-name='show_rcu_gp_kthreads' filepath='kernel/rcu/tree_stall.h' line='690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='show_rcu_gp_kthreads'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='show_regs' mangled-name='show_regs' filepath='arch/arm64/kernel/process.c' line='303' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='show_regs'>
+ <parameter type-id='4616a179' name='regs' filepath='arch/arm64/kernel/process.c' line='303' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='si_mem_available' mangled-name='si_mem_available' filepath='mm/page_alloc.c' line='5444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='si_mem_available'>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='si_meminfo' mangled-name='si_meminfo' filepath='mm/page_alloc.c' line='5490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='si_meminfo'>
+ <parameter type-id='0f561784' name='val' filepath='mm/page_alloc.c' line='5490' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='si_swapinfo' mangled-name='si_swapinfo' filepath='mm/swapfile.c' line='3428' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='si_swapinfo'>
+ <parameter type-id='0f561784' name='val' filepath='mm/swapfile.c' line='3428' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sigprocmask' mangled-name='sigprocmask' filepath='kernel/signal.c' line='2977' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sigprocmask'>
+ <parameter type-id='95e97e5e' name='how' filepath='kernel/signal.c' line='2977' column='1'/>
+ <parameter type-id='9e80f729' name='set' filepath='kernel/signal.c' line='2977' column='1'/>
+ <parameter type-id='9e80f729' name='oldset' filepath='kernel/signal.c' line='2977' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='simple_attr_open' mangled-name='simple_attr_open' filepath='fs/libfs.c' line='890' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_open'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/libfs.c' line='890' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='890' column='1'/>
+ <parameter type-id='dffc7428' name='get' filepath='fs/libfs.c' line='891' column='1'/>
+ <parameter type-id='0fb09eeb' name='set' filepath='fs/libfs.c' line='891' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='fs/libfs.c' line='892' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='simple_attr_read' mangled-name='simple_attr_read' filepath='fs/libfs.c' line='920' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_read'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='920' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/libfs.c' line='920' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='fs/libfs.c' line='921' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='921' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='simple_attr_release' mangled-name='simple_attr_release' filepath='fs/libfs.c' line='912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_release'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/libfs.c' line='912' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='912' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='simple_attr_write' mangled-name='simple_attr_write' filepath='fs/libfs.c' line='958' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_attr_write'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='958' column='1'/>
+ <parameter type-id='80f4b756' name='buf' filepath='fs/libfs.c' line='958' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='fs/libfs.c' line='959' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='959' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <var-decl name='simple_dir_inode_operations' type-id='c8e0fb8e' mangled-name='simple_dir_inode_operations' visibility='default' filepath='fs/libfs.c' line='240' column='1' elf-symbol-id='simple_dir_inode_operations'/>
+ <var-decl name='simple_dir_operations' type-id='b8ae588d' mangled-name='simple_dir_operations' visibility='default' filepath='fs/libfs.c' line='230' column='1' elf-symbol-id='simple_dir_operations'/>
+ <function-decl name='simple_open' mangled-name='simple_open' filepath='fs/libfs.c' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_open'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/libfs.c' line='385' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/libfs.c' line='385' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='simple_read_from_buffer' mangled-name='simple_read_from_buffer' filepath='fs/libfs.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_read_from_buffer'>
+ <parameter type-id='eaa32e2f' name='to' filepath='fs/libfs.c' line='717' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='fs/libfs.c' line='717' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='717' column='1'/>
+ <parameter type-id='eaa32e2f' name='from' filepath='fs/libfs.c' line='718' column='1'/>
+ <parameter type-id='b59d7dce' name='available' filepath='fs/libfs.c' line='718' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='simple_statfs' mangled-name='simple_statfs' filepath='fs/libfs.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_statfs'>
+ <parameter type-id='27675065' name='dentry' filepath='fs/libfs.c' line='40' column='1'/>
+ <parameter type-id='087d687b' name='buf' filepath='fs/libfs.c' line='40' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='simple_strtol' mangled-name='simple_strtol' filepath='include/linux/kernel.h' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtol'>
+ <parameter type-id='80f4b756'/>
+ <parameter type-id='9b23c9ad'/>
+ <parameter type-id='f0981eeb'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='simple_strtoll' mangled-name='simple_strtoll' filepath='lib/vsprintf.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtoll'>
+ <parameter type-id='80f4b756' name='cp' filepath='lib/vsprintf.c' line='149' column='1'/>
+ <parameter type-id='9b23c9ad' name='endp' filepath='lib/vsprintf.c' line='149' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/vsprintf.c' line='149' column='1'/>
+ <return type-id='1eb56b1e'/>
+ </function-decl>
+ <function-decl name='simple_strtoul' mangled-name='simple_strtoul' filepath='lib/vsprintf.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtoul'>
+ <parameter type-id='80f4b756' name='cp' filepath='lib/vsprintf.c' line='103' column='1'/>
+ <parameter type-id='9b23c9ad' name='endp' filepath='lib/vsprintf.c' line='103' column='1'/>
+ <parameter type-id='f0981eeb' name='base' filepath='lib/vsprintf.c' line='103' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='simple_strtoull' mangled-name='simple_strtoull' filepath='include/linux/kernel.h' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_strtoull'>
+ <parameter type-id='80f4b756'/>
+ <parameter type-id='9b23c9ad'/>
+ <parameter type-id='f0981eeb'/>
+ <return type-id='3a47d82b'/>
+ </function-decl>
+ <function-decl name='simple_write_to_buffer' mangled-name='simple_write_to_buffer' filepath='fs/libfs.c' line='752' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='simple_write_to_buffer'>
+ <parameter type-id='eaa32e2f' name='to' filepath='fs/libfs.c' line='752' column='1'/>
+ <parameter type-id='b59d7dce' name='available' filepath='fs/libfs.c' line='752' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='fs/libfs.c' line='752' column='1'/>
+ <parameter type-id='eaa32e2f' name='from' filepath='fs/libfs.c' line='753' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='fs/libfs.c' line='753' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='single_open' mangled-name='single_open' filepath='fs/seq_file.c' line='561' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='single_open'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='561' column='1'/>
+ <parameter type-id='0131eb61' name='show' filepath='fs/seq_file.c' line='561' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/seq_file.c' line='562' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='single_open_size' mangled-name='single_open_size' filepath='fs/seq_file.c' line='582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='single_open_size'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='582' column='1'/>
+ <parameter type-id='0131eb61' name='show' filepath='fs/seq_file.c' line='582' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='fs/seq_file.c' line='583' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='fs/seq_file.c' line='583' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='single_release' mangled-name='single_release' filepath='fs/seq_file.c' line='600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='single_release'>
+ <parameter type-id='7e666abe' name='inode' filepath='fs/seq_file.c' line='600' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/seq_file.c' line='600' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sk_alloc' mangled-name='sk_alloc' filepath='net/core/sock.c' line='1746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sk_alloc'>
+ <parameter type-id='a2bff676' name='net' filepath='net/core/sock.c' line='1746' column='1'/>
+ <parameter type-id='95e97e5e' name='family' filepath='net/core/sock.c' line='1746' column='1'/>
+ <parameter type-id='3eb7c31c' name='priority' filepath='net/core/sock.c' line='1746' column='1'/>
+ <parameter type-id='d2524501' name='prot' filepath='net/core/sock.c' line='1747' column='1'/>
+ <parameter type-id='95e97e5e' name='kern' filepath='net/core/sock.c' line='1747' column='1'/>
+ <return type-id='f772df6d'/>
+ </function-decl>
+ <function-decl name='sk_free' mangled-name='sk_free' filepath='net/core/sock.c' line='1849' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sk_free'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='1849' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_add_rx_frag' mangled-name='skb_add_rx_frag' filepath='net/core/skbuff.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_add_rx_frag'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='557' column='1'/>
+ <parameter type-id='95e97e5e' name='i' filepath='net/core/skbuff.c' line='557' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='net/core/skbuff.c' line='557' column='1'/>
+ <parameter type-id='95e97e5e' name='off' filepath='net/core/skbuff.c' line='557' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='net/core/skbuff.c' line='558' column='1'/>
+ <parameter type-id='f0981eeb' name='truesize' filepath='net/core/skbuff.c' line='558' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_append_pagefrags' mangled-name='skb_append_pagefrags' filepath='net/core/skbuff.c' line='3621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_append_pagefrags'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='3621' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='net/core/skbuff.c' line='3621' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='3622' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='net/core/skbuff.c' line='3622' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_checksum' mangled-name='skb_checksum' filepath='net/core/skbuff.c' line='2729' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_checksum'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='2729' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='2729' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='2730' column='1'/>
+ <parameter type-id='fbd88bba' name='csum' filepath='net/core/skbuff.c' line='2730' column='1'/>
+ <return type-id='fbd88bba'/>
+ </function-decl>
+ <function-decl name='skb_checksum_help' mangled-name='skb_checksum_help' filepath='net/core/dev.c' line='3226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_checksum_help'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/dev.c' line='3226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_clone' mangled-name='skb_clone' filepath='net/core/skbuff.c' line='1441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_clone'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1441' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1441' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_clone_sk' mangled-name='skb_clone_sk' filepath='net/core/skbuff.c' line='4641' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_clone_sk'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='4641' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_coalesce_rx_frag' mangled-name='skb_coalesce_rx_frag' filepath='net/core/skbuff.c' line='567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_coalesce_rx_frag'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='567' column='1'/>
+ <parameter type-id='95e97e5e' name='i' filepath='net/core/skbuff.c' line='567' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='net/core/skbuff.c' line='567' column='1'/>
+ <parameter type-id='f0981eeb' name='truesize' filepath='net/core/skbuff.c' line='568' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_complete_wifi_ack' mangled-name='skb_complete_wifi_ack' filepath='net/core/skbuff.c' line='4786' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_complete_wifi_ack'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='4786' column='1'/>
+ <parameter type-id='b50a4934' name='acked' filepath='net/core/skbuff.c' line='4786' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_copy' mangled-name='skb_copy' filepath='net/core/skbuff.c' line='1520' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='1520' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1520' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_copy_bits' mangled-name='skb_copy_bits' filepath='net/core/skbuff.c' line='2205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_bits'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='2205' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='2205' column='1'/>
+ <parameter type-id='eaa32e2f' name='to' filepath='net/core/skbuff.c' line='2205' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='2205' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_copy_datagram_iter' mangled-name='skb_copy_datagram_iter' filepath='net/core/datagram.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_datagram_iter'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/datagram.c' line='529' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='net/core/datagram.c' line='529' column='1'/>
+ <parameter type-id='4fa10f9e' name='to' filepath='net/core/datagram.c' line='530' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='net/core/datagram.c' line='530' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_copy_expand' mangled-name='skb_copy_expand' filepath='net/core/skbuff.c' line='1749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_expand'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='1749' column='1'/>
+ <parameter type-id='95e97e5e' name='newheadroom' filepath='net/core/skbuff.c' line='1750' column='1'/>
+ <parameter type-id='95e97e5e' name='newtailroom' filepath='net/core/skbuff.c' line='1750' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1751' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_copy_ubufs' mangled-name='skb_copy_ubufs' filepath='net/core/skbuff.c' line='1353' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_copy_ubufs'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1353' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='net/core/skbuff.c' line='1353' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_dequeue' mangled-name='skb_dequeue' filepath='net/core/skbuff.c' line='3055' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_dequeue'>
+ <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3055' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_dequeue_tail' mangled-name='skb_dequeue_tail' filepath='net/core/skbuff.c' line='3075' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_dequeue_tail'>
+ <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3075' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_dump' mangled-name='skb_dump' filepath='net/core/skbuff.c' line='734' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_dump'>
+ <parameter type-id='80f4b756' name='level' filepath='net/core/skbuff.c' line='734' column='1'/>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/skbuff.c' line='734' column='1'/>
+ <parameter type-id='b50a4934' name='full_pkt' filepath='net/core/skbuff.c' line='734' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_ensure_writable' mangled-name='skb_ensure_writable' filepath='net/core/skbuff.c' line='5506' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_ensure_writable'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='5506' column='1'/>
+ <parameter type-id='95e97e5e' name='write_len' filepath='net/core/skbuff.c' line='5506' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_free_datagram' mangled-name='skb_free_datagram' filepath='net/core/datagram.c' line='323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_free_datagram'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/datagram.c' line='323' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/datagram.c' line='323' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_page_frag_refill' mangled-name='skb_page_frag_refill' filepath='net/core/sock.c' line='2467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_page_frag_refill'>
+ <parameter type-id='f0981eeb' name='sz' filepath='net/core/sock.c' line='2467' column='1'/>
+ <parameter type-id='a8d434b7' name='pfrag' filepath='net/core/sock.c' line='2467' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='net/core/sock.c' line='2467' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='skb_partial_csum_set' mangled-name='skb_partial_csum_set' filepath='net/core/skbuff.c' line='4824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_partial_csum_set'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='4824' column='1'/>
+ <parameter type-id='1dc6a898' name='start' filepath='net/core/skbuff.c' line='4824' column='1'/>
+ <parameter type-id='1dc6a898' name='off' filepath='net/core/skbuff.c' line='4824' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='skb_pull' mangled-name='skb_pull' filepath='net/core/skbuff.c' line='1911' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_pull'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1911' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1911' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='skb_pull_rcsum' mangled-name='skb_pull_rcsum' filepath='net/core/skbuff.c' line='3650' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_pull_rcsum'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='3650' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='3650' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='skb_push' mangled-name='skb_push' filepath='net/core/skbuff.c' line='1891' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_push'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1891' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1891' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='skb_put' mangled-name='skb_put' filepath='net/core/skbuff.c' line='1870' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_put'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1870' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1870' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='skb_queue_head' mangled-name='skb_queue_head' filepath='net/core/skbuff.c' line='3140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_queue_head'>
+ <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3140' column='1'/>
+ <parameter type-id='0fbf3cfd' name='newsk' filepath='net/core/skbuff.c' line='3140' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_queue_purge' mangled-name='skb_queue_purge' filepath='net/core/skbuff.c' line='3095' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_queue_purge'>
+ <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3095' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_queue_tail' mangled-name='skb_queue_tail' filepath='net/core/skbuff.c' line='3161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_queue_tail'>
+ <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3161' column='1'/>
+ <parameter type-id='0fbf3cfd' name='newsk' filepath='net/core/skbuff.c' line='3161' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_realloc_headroom' mangled-name='skb_realloc_headroom' filepath='net/core/skbuff.c' line='1712' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_realloc_headroom'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1712' column='1'/>
+ <parameter type-id='f0981eeb' name='headroom' filepath='net/core/skbuff.c' line='1712' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_recv_datagram' mangled-name='skb_recv_datagram' filepath='net/core/datagram.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_recv_datagram'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/datagram.c' line='312' column='1'/>
+ <parameter type-id='f0981eeb' name='flags' filepath='net/core/datagram.c' line='312' column='1'/>
+ <parameter type-id='95e97e5e' name='noblock' filepath='net/core/datagram.c' line='313' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='net/core/datagram.c' line='313' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='skb_set_owner_w' mangled-name='skb_set_owner_w' filepath='net/core/sock.c' line='2085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_set_owner_w'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='2085' column='1'/>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='2085' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_store_bits' mangled-name='skb_store_bits' filepath='net/core/skbuff.c' line='2567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_store_bits'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='2567' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='2567' column='1'/>
+ <parameter type-id='eaa32e2f' name='from' filepath='net/core/skbuff.c' line='2567' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='2567' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_to_sgvec' mangled-name='skb_to_sgvec' filepath='net/core/skbuff.c' line='4404' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_to_sgvec'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='4404' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='net/core/skbuff.c' line='4404' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='net/core/skbuff.c' line='4404' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='net/core/skbuff.c' line='4404' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skb_trim' mangled-name='skb_trim' filepath='net/core/skbuff.c' line='1926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_trim'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='1926' column='1'/>
+ <parameter type-id='f0981eeb' name='len' filepath='net/core/skbuff.c' line='1926' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_tstamp_tx' mangled-name='skb_tstamp_tx' filepath='net/core/skbuff.c' line='4778' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_tstamp_tx'>
+ <parameter type-id='0fbf3cfd' name='orig_skb' filepath='net/core/skbuff.c' line='4778' column='1'/>
+ <parameter type-id='68197365' name='hwtstamps' filepath='net/core/skbuff.c' line='4779' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skb_unlink' mangled-name='skb_unlink' filepath='net/core/skbuff.c' line='3181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skb_unlink'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/skbuff.c' line='3181' column='1'/>
+ <parameter type-id='03c386c6' name='list' filepath='net/core/skbuff.c' line='3181' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='skcipher_alloc_instance_simple' mangled-name='skcipher_alloc_instance_simple' filepath='crypto/skcipher.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_alloc_instance_simple'>
+ <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/skcipher.c' line='936' column='1'/>
+ <parameter type-id='c161b868' name='tb' filepath='crypto/skcipher.c' line='936' column='1'/>
+ <return type-id='8e5a8430'/>
+ </function-decl>
+ <function-decl name='skcipher_register_instance' mangled-name='skcipher_register_instance' filepath='crypto/skcipher.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_register_instance'>
+ <parameter type-id='f0f856cb' name='tmpl' filepath='crypto/skcipher.c' line='864' column='1'/>
+ <parameter type-id='8e5a8430' name='inst' filepath='crypto/skcipher.c' line='865' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skcipher_walk_aead_decrypt' mangled-name='skcipher_walk_aead_decrypt' filepath='crypto/skcipher.c' line='562' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_aead_decrypt'>
+ <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='562' column='1'/>
+ <parameter type-id='146bc842' name='req' filepath='crypto/skcipher.c' line='563' column='1'/>
+ <parameter type-id='b50a4934' name='atomic' filepath='crypto/skcipher.c' line='563' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skcipher_walk_aead_encrypt' mangled-name='skcipher_walk_aead_encrypt' filepath='crypto/skcipher.c' line='553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_aead_encrypt'>
+ <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='553' column='1'/>
+ <parameter type-id='146bc842' name='req' filepath='crypto/skcipher.c' line='554' column='1'/>
+ <parameter type-id='b50a4934' name='atomic' filepath='crypto/skcipher.c' line='554' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skcipher_walk_done' mangled-name='skcipher_walk_done' filepath='crypto/skcipher.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_done'>
+ <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='105' column='1'/>
+ <parameter type-id='95e97e5e' name='err' filepath='crypto/skcipher.c' line='105' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skcipher_walk_virt' mangled-name='skcipher_walk_virt' filepath='crypto/skcipher.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skcipher_walk_virt'>
+ <parameter type-id='74439606' name='walk' filepath='crypto/skcipher.c' line='477' column='1'/>
+ <parameter type-id='c249b570' name='req' filepath='crypto/skcipher.c' line='478' column='1'/>
+ <parameter type-id='b50a4934' name='atomic' filepath='crypto/skcipher.c' line='478' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='skip_spaces' mangled-name='skip_spaces' filepath='include/linux/string.h' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='skip_spaces'>
+ <parameter type-id='80f4b756'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='smp_call_function' mangled-name='smp_call_function' filepath='kernel/smp.c' line='735' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function'>
+ <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='735' column='1'/>
+ <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='735' column='1'/>
+ <parameter type-id='95e97e5e' name='wait' filepath='kernel/smp.c' line='735' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='smp_call_function_any' mangled-name='smp_call_function_any' filepath='kernel/smp.c' line='583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function_any'>
+ <parameter type-id='5f8a1ac4' name='mask' filepath='kernel/smp.c' line='583' column='1'/>
+ <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='584' column='1'/>
+ <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='584' column='1'/>
+ <parameter type-id='95e97e5e' name='wait' filepath='kernel/smp.c' line='584' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='smp_call_function_many' mangled-name='smp_call_function_many' filepath='kernel/smp.c' line='713' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function_many'>
+ <parameter type-id='5f8a1ac4' name='mask' filepath='kernel/smp.c' line='713' column='1'/>
+ <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='714' column='1'/>
+ <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='714' column='1'/>
+ <parameter type-id='b50a4934' name='wait' filepath='kernel/smp.c' line='714' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='smp_call_function_single' mangled-name='smp_call_function_single' filepath='kernel/smp.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function_single'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/smp.c' line='468' column='1'/>
+ <parameter type-id='89714567' name='func' filepath='kernel/smp.c' line='468' column='1'/>
+ <parameter type-id='eaa32e2f' name='info' filepath='kernel/smp.c' line='468' column='1'/>
+ <parameter type-id='95e97e5e' name='wait' filepath='kernel/smp.c' line='469' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='smp_call_function_single_async' mangled-name='smp_call_function_single_async' filepath='kernel/smp.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_function_single_async'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/smp.c' line='546' column='1'/>
+ <parameter type-id='d5df7665' name='csd' filepath='kernel/smp.c' line='546' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='smp_call_on_cpu' mangled-name='smp_call_on_cpu' filepath='kernel/smp.c' line='1021' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smp_call_on_cpu'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='kernel/smp.c' line='1021' column='1'/>
+ <parameter type-id='b9b212f5' name='func' filepath='kernel/smp.c' line='1021' column='1'/>
+ <parameter type-id='eaa32e2f' name='par' filepath='kernel/smp.c' line='1021' column='1'/>
+ <parameter type-id='b50a4934' name='phys' filepath='kernel/smp.c' line='1021' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='smpboot_register_percpu_thread' mangled-name='smpboot_register_percpu_thread' filepath='kernel/smpboot.c' line='289' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smpboot_register_percpu_thread'>
+ <parameter type-id='150fd0b2' name='plug_thread' filepath='kernel/smpboot.c' line='289' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='smpboot_unregister_percpu_thread' mangled-name='smpboot_unregister_percpu_thread' filepath='kernel/smpboot.c' line='318' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='smpboot_unregister_percpu_thread'>
+ <parameter type-id='150fd0b2' name='plug_thread' filepath='kernel/smpboot.c' line='318' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_card_add_dev_attr' mangled-name='snd_card_add_dev_attr' filepath='sound/core/init.c' line='717' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_add_dev_attr'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='717' column='1'/>
+ <parameter type-id='8ff9530e' name='group' filepath='sound/core/init.c' line='718' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_card_disconnect' mangled-name='snd_card_disconnect' filepath='sound/core/init.c' line='380' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_disconnect'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='380' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_card_free' mangled-name='snd_card_free' filepath='sound/core/init.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_free'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='522' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_card_new' mangled-name='snd_card_new' filepath='sound/core/init.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_new'>
+ <parameter type-id='fa0b179b' name='parent' filepath='sound/core/init.c' line='161' column='1'/>
+ <parameter type-id='95e97e5e' name='idx' filepath='sound/core/init.c' line='161' column='1'/>
+ <parameter type-id='80f4b756' name='xid' filepath='sound/core/init.c' line='161' column='1'/>
+ <parameter type-id='2730d015' name='module' filepath='sound/core/init.c' line='162' column='1'/>
+ <parameter type-id='95e97e5e' name='extra_size' filepath='sound/core/init.c' line='162' column='1'/>
+ <parameter type-id='63cbc127' name='card_ret' filepath='sound/core/init.c' line='163' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_card_register' mangled-name='snd_card_register' filepath='sound/core/init.c' line='746' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_register'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='746' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_card_rw_proc_new' mangled-name='snd_card_rw_proc_new' filepath='sound/core/info.c' line='873' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_card_rw_proc_new'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/info.c' line='873' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='sound/core/info.c' line='873' column='1'/>
+ <parameter type-id='eaa32e2f' name='private_data' filepath='sound/core/info.c' line='874' column='1'/>
+ <parameter type-id='f695e0b6' name='read' filepath='sound/core/info.c' line='875' column='1'/>
+ <parameter type-id='f695e0b6' name='write' filepath='sound/core/info.c' line='877' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_component_add' mangled-name='snd_component_add' filepath='sound/core/init.c' line='892' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_component_add'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/init.c' line='892' column='1'/>
+ <parameter type-id='80f4b756' name='component' filepath='sound/core/init.c' line='892' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_compr_stop_error' mangled-name='snd_compr_stop_error' filepath='sound/core/compress_offload.c' line='827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_compr_stop_error'>
+ <parameter type-id='b7c1d7d5' name='stream' filepath='sound/core/compress_offload.c' line='827' column='1'/>
+ <parameter type-id='33158de9' name='state' filepath='sound/core/compress_offload.c' line='828' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_add' mangled-name='snd_ctl_add' filepath='sound/core/control.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_add'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='424' column='1'/>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='424' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_add_vmaster_hook' mangled-name='snd_ctl_add_vmaster_hook' filepath='sound/core/vmaster.c' line='447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_add_vmaster_hook'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/vmaster.c' line='447' column='1'/>
+ <parameter type-id='1ed1e4cd' name='hook' filepath='sound/core/vmaster.c' line='448' column='1'/>
+ <parameter type-id='eaa32e2f' name='private_data' filepath='sound/core/vmaster.c' line='449' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_apply_vmaster_followers' mangled-name='snd_ctl_apply_vmaster_followers' filepath='sound/core/vmaster.c' line='499' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_apply_vmaster_followers'>
+ <parameter type-id='7a5054b7' name='kctl' filepath='sound/core/vmaster.c' line='499' column='1'/>
+ <parameter type-id='be4e3fad' name='func' filepath='sound/core/vmaster.c' line='500' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='sound/core/vmaster.c' line='503' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_boolean_mono_info' mangled-name='snd_ctl_boolean_mono_info' filepath='sound/core/control.c' line='2083' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_boolean_mono_info'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='2083' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/core/control.c' line='2084' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_boolean_stereo_info' mangled-name='snd_ctl_boolean_stereo_info' filepath='sound/core/control.c' line='2103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_boolean_stereo_info'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='2103' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/core/control.c' line='2104' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_enum_info' mangled-name='snd_ctl_enum_info' filepath='sound/core/control.c' line='2127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_enum_info'>
+ <parameter type-id='0e291009' name='info' filepath='sound/core/control.c' line='2127' column='1'/>
+ <parameter type-id='f0981eeb' name='channels' filepath='sound/core/control.c' line='2127' column='1'/>
+ <parameter type-id='f0981eeb' name='items' filepath='sound/core/control.c' line='2128' column='1'/>
+ <parameter type-id='13956559' name='names' filepath='sound/core/control.c' line='2128' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_find_id' mangled-name='snd_ctl_find_id' filepath='sound/core/control.c' line='666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_find_id'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='666' column='1'/>
+ <parameter type-id='eaeee79a' name='id' filepath='sound/core/control.c' line='667' column='1'/>
+ <return type-id='7a5054b7'/>
+ </function-decl>
+ <function-decl name='snd_ctl_make_virtual_master' mangled-name='snd_ctl_make_virtual_master' filepath='sound/core/vmaster.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_make_virtual_master'>
+ <parameter type-id='26a90f95' name='name' filepath='sound/core/vmaster.c' line='392' column='1'/>
+ <parameter type-id='5b2fd8e8' name='tlv' filepath='sound/core/vmaster.c' line='393' column='1'/>
+ <return type-id='7a5054b7'/>
+ </function-decl>
+ <function-decl name='snd_ctl_new1' mangled-name='snd_ctl_new1' filepath='sound/core/control.c' line='229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_new1'>
+ <parameter type-id='31e035f7' name='ncontrol' filepath='sound/core/control.c' line='229' column='1'/>
+ <parameter type-id='eaa32e2f' name='private_data' filepath='sound/core/control.c' line='230' column='1'/>
+ <return type-id='7a5054b7'/>
+ </function-decl>
+ <function-decl name='snd_ctl_notify' mangled-name='snd_ctl_notify' filepath='sound/core/control.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_notify'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='142' column='1'/>
+ <parameter type-id='f0981eeb' name='mask' filepath='sound/core/control.c' line='142' column='1'/>
+ <parameter type-id='eaeee79a' name='id' filepath='sound/core/control.c' line='143' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_ctl_remove' mangled-name='snd_ctl_remove' filepath='sound/core/control.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_remove'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='463' column='1'/>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/control.c' line='463' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_remove_id' mangled-name='snd_ctl_remove_id' filepath='sound/core/control.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_remove_id'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/control.c' line='490' column='1'/>
+ <parameter type-id='eaeee79a' name='id' filepath='sound/core/control.c' line='490' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_ctl_sync_vmaster' mangled-name='snd_ctl_sync_vmaster' filepath='sound/core/vmaster.c' line='467' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_ctl_sync_vmaster'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/core/vmaster.c' line='467' column='1'/>
+ <parameter type-id='b50a4934' name='hook_only' filepath='sound/core/vmaster.c' line='467' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_device_disconnect' mangled-name='snd_device_disconnect' filepath='sound/core/device.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_device_disconnect'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/device.c' line='106' column='1'/>
+ <parameter type-id='eaa32e2f' name='device_data' filepath='sound/core/device.c' line='106' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_device_free' mangled-name='snd_device_free' filepath='sound/core/device.c' line='130' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_device_free'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/device.c' line='130' column='1'/>
+ <parameter type-id='eaa32e2f' name='device_data' filepath='sound/core/device.c' line='130' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_device_new' mangled-name='snd_device_new' filepath='sound/core/device.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_device_new'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/device.c' line='29' column='1'/>
+ <parameter type-id='43cb465b' name='type' filepath='sound/core/device.c' line='29' column='1'/>
+ <parameter type-id='eaa32e2f' name='device_data' filepath='sound/core/device.c' line='30' column='1'/>
+ <parameter type-id='c00b0b11' name='ops' filepath='sound/core/device.c' line='30' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_dma_alloc_pages' mangled-name='snd_dma_alloc_pages' filepath='sound/core/memalloc.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dma_alloc_pages'>
+ <parameter type-id='95e97e5e' name='type' filepath='sound/core/memalloc.c' line='126' column='1'/>
+ <parameter type-id='fa0b179b' name='device' filepath='sound/core/memalloc.c' line='126' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='sound/core/memalloc.c' line='126' column='1'/>
+ <parameter type-id='a02b8cd2' name='dmab' filepath='sound/core/memalloc.c' line='127' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_dma_free_pages' mangled-name='snd_dma_free_pages' filepath='sound/core/memalloc.c' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dma_free_pages'>
+ <parameter type-id='a02b8cd2' name='dmab' filepath='sound/core/memalloc.c' line='226' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_close_release_chan' mangled-name='snd_dmaengine_pcm_close_release_chan' filepath='sound/core/pcm_dmaengine.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_close_release_chan'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_dmaengine.c' line='367' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_get_chan' mangled-name='snd_dmaengine_pcm_get_chan' filepath='sound/core/pcm_dmaengine.c' line='35' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_get_chan'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_dmaengine.c' line='35' column='1'/>
+ <return type-id='27f3f5d8'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_open' mangled-name='snd_dmaengine_pcm_open' filepath='sound/core/pcm_dmaengine.c' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_open'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_dmaengine.c' line='298' column='1'/>
+ <parameter type-id='27f3f5d8' name='chan' filepath='sound/core/pcm_dmaengine.c' line='299' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_open_request_chan' mangled-name='snd_dmaengine_pcm_open_request_chan' filepath='sound/core/pcm_dmaengine.c' line='337' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_open_request_chan'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_dmaengine.c' line='337' column='1'/>
+ <parameter type-id='55f53546' name='filter_fn' filepath='sound/core/pcm_dmaengine.c' line='338' column='1'/>
+ <parameter type-id='eaa32e2f' name='filter_data' filepath='sound/core/pcm_dmaengine.c' line='338' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_pointer' mangled-name='snd_dmaengine_pcm_pointer' filepath='sound/core/pcm_dmaengine.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_pointer'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_dmaengine.c' line='242' column='1'/>
+ <return type-id='df412e35'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_prepare_slave_config' mangled-name='snd_dmaengine_pcm_prepare_slave_config' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_prepare_slave_config'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='46' column='1'/>
+ <parameter type-id='363a995e' name='params' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='47' column='1'/>
+ <parameter type-id='4f22192a' name='slave_config' filepath='sound/soc/soc-generic-dmaengine-pcm.c' line='47' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_refine_runtime_hwparams' mangled-name='snd_dmaengine_pcm_refine_runtime_hwparams' filepath='sound/core/pcm_dmaengine.c' line='391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_refine_runtime_hwparams'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_dmaengine.c' line='392' column='1'/>
+ <parameter type-id='878ad4de' name='dma_data' filepath='sound/core/pcm_dmaengine.c' line='393' column='1'/>
+ <parameter type-id='17e4a02a' name='hw' filepath='sound/core/pcm_dmaengine.c' line='394' column='1'/>
+ <parameter type-id='27f3f5d8' name='chan' filepath='sound/core/pcm_dmaengine.c' line='395' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_set_config_from_dai_data' mangled-name='snd_dmaengine_pcm_set_config_from_dai_data' filepath='sound/core/pcm_dmaengine.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_set_config_from_dai_data'>
+ <parameter type-id='17aa52a9' name='substream' filepath='sound/core/pcm_dmaengine.c' line='105' column='1'/>
+ <parameter type-id='e3459429' name='dma_data' filepath='sound/core/pcm_dmaengine.c' line='106' column='1'/>
+ <parameter type-id='4f22192a' name='slave_config' filepath='sound/core/pcm_dmaengine.c' line='107' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_dmaengine_pcm_trigger' mangled-name='snd_dmaengine_pcm_trigger' filepath='sound/core/pcm_dmaengine.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_dmaengine_pcm_trigger'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_dmaengine.c' line='184' column='1'/>
+ <parameter type-id='95e97e5e' name='cmd' filepath='sound/core/pcm_dmaengine.c' line='184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_hwdep_new' mangled-name='snd_hwdep_new' filepath='sound/core/hwdep.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_hwdep_new'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/hwdep.c' line='358' column='1'/>
+ <parameter type-id='26a90f95' name='id' filepath='sound/core/hwdep.c' line='358' column='1'/>
+ <parameter type-id='95e97e5e' name='device' filepath='sound/core/hwdep.c' line='358' column='1'/>
+ <parameter type-id='358adba9' name='rhwdep' filepath='sound/core/hwdep.c' line='359' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_hwparams_to_dma_slave_config' mangled-name='snd_hwparams_to_dma_slave_config' filepath='sound/core/pcm_dmaengine.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_hwparams_to_dma_slave_config'>
+ <parameter type-id='17aa52a9' name='substream' filepath='sound/core/pcm_dmaengine.c' line='52' column='1'/>
+ <parameter type-id='9b87bc37' name='params' filepath='sound/core/pcm_dmaengine.c' line='53' column='1'/>
+ <parameter type-id='4f22192a' name='slave_config' filepath='sound/core/pcm_dmaengine.c' line='54' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_info_create_card_entry' mangled-name='snd_info_create_card_entry' filepath='sound/core/info.c' line='739' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_info_create_card_entry'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/info.c' line='739' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='sound/core/info.c' line='740' column='1'/>
+ <parameter type-id='b9608bfc' name='parent' filepath='sound/core/info.c' line='741' column='1'/>
+ <return type-id='b9608bfc'/>
+ </function-decl>
+ <function-decl name='snd_info_create_module_entry' mangled-name='snd_info_create_module_entry' filepath='sound/core/info.c' line='719' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_info_create_module_entry'>
+ <parameter type-id='2730d015' name='module' filepath='sound/core/info.c' line='719' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='sound/core/info.c' line='720' column='1'/>
+ <parameter type-id='b9608bfc' name='parent' filepath='sound/core/info.c' line='721' column='1'/>
+ <return type-id='b9608bfc'/>
+ </function-decl>
+ <function-decl name='snd_info_free_entry' mangled-name='snd_info_free_entry' filepath='sound/core/info.c' line='767' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_info_free_entry'>
+ <parameter type-id='b9608bfc' name='entry' filepath='sound/core/info.c' line='767' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_info_register' mangled-name='snd_info_register' filepath='sound/core/info.c' line='841' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_info_register'>
+ <parameter type-id='b9608bfc' name='entry' filepath='sound/core/info.c' line='841' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_interval_ranges' mangled-name='snd_interval_ranges' filepath='sound/core/pcm_lib.c' line='1043' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_interval_ranges'>
+ <parameter type-id='732e15ce' name='i' filepath='sound/core/pcm_lib.c' line='1043' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='sound/core/pcm_lib.c' line='1043' column='1'/>
+ <parameter type-id='1d0ab711' name='ranges' filepath='sound/core/pcm_lib.c' line='1044' column='1'/>
+ <parameter type-id='f0981eeb' name='mask' filepath='sound/core/pcm_lib.c' line='1044' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_interval_refine' mangled-name='snd_interval_refine' filepath='sound/core/pcm_lib.c' line='580' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_interval_refine'>
+ <parameter type-id='732e15ce' name='i' filepath='sound/core/pcm_lib.c' line='580' column='1'/>
+ <parameter type-id='1d0ab711' name='v' filepath='sound/core/pcm_lib.c' line='580' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_jack_new' mangled-name='snd_jack_new' filepath='sound/core/jack.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_jack_new'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/jack.c' line='198' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='sound/core/jack.c' line='198' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='sound/core/jack.c' line='198' column='1'/>
+ <parameter type-id='bd753fd6' name='jjack' filepath='sound/core/jack.c' line='199' column='1'/>
+ <parameter type-id='b50a4934' name='initial_kctl' filepath='sound/core/jack.c' line='199' column='1'/>
+ <parameter type-id='b50a4934' name='phantom_jack' filepath='sound/core/jack.c' line='199' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_jack_report' mangled-name='snd_jack_report' filepath='sound/core/jack.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_jack_report'>
+ <parameter type-id='0f5a7eb8' name='jack' filepath='sound/core/jack.c' line='340' column='1'/>
+ <parameter type-id='95e97e5e' name='status' filepath='sound/core/jack.c' line='340' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_jack_set_key' mangled-name='snd_jack_set_key' filepath='sound/core/jack.c' line='317' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_jack_set_key'>
+ <parameter type-id='0f5a7eb8' name='jack' filepath='sound/core/jack.c' line='317' column='1'/>
+ <parameter type-id='7851d449' name='type' filepath='sound/core/jack.c' line='317' column='1'/>
+ <parameter type-id='95e97e5e' name='keytype' filepath='sound/core/jack.c' line='318' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pci_quirk_lookup' mangled-name='snd_pci_quirk_lookup' filepath='sound/core/misc.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pci_quirk_lookup'>
+ <parameter type-id='85196e3f' name='pci' filepath='sound/core/misc.c' line='138' column='1'/>
+ <parameter type-id='c55bcf2d' name='list' filepath='sound/core/misc.c' line='138' column='1'/>
+ <return type-id='c55bcf2d'/>
+ </function-decl>
+ <function-decl name='snd_pcm_add_chmap_ctls' mangled-name='snd_pcm_add_chmap_ctls' filepath='sound/core/pcm_lib.c' line='2425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_add_chmap_ctls'>
+ <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_lib.c' line='2425' column='1'/>
+ <parameter type-id='95e97e5e' name='stream' filepath='sound/core/pcm_lib.c' line='2425' column='1'/>
+ <parameter type-id='ddec2084' name='chmap' filepath='sound/core/pcm_lib.c' line='2426' column='1'/>
+ <parameter type-id='95e97e5e' name='max_channels' filepath='sound/core/pcm_lib.c' line='2427' column='1'/>
+ <parameter type-id='7359adad' name='private_value' filepath='sound/core/pcm_lib.c' line='2428' column='1'/>
+ <parameter type-id='ce765417' name='info_ret' filepath='sound/core/pcm_lib.c' line='2429' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='snd_pcm_alt_chmaps' type-id='93f82aba' mangled-name='snd_pcm_alt_chmaps' visibility='default' filepath='sound/core/pcm_lib.c' line='2288' column='1' elf-symbol-id='snd_pcm_alt_chmaps'/>
+ <function-decl name='snd_pcm_create_iec958_consumer_hw_params' mangled-name='snd_pcm_create_iec958_consumer_hw_params' filepath='sound/core/pcm_iec958.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_create_iec958_consumer_hw_params'>
+ <parameter type-id='363a995e' name='params' filepath='sound/core/pcm_iec958.c' line='117' column='1'/>
+ <parameter type-id='8bff8096' name='cs' filepath='sound/core/pcm_iec958.c' line='118' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='sound/core/pcm_iec958.c' line='118' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_format_big_endian' mangled-name='snd_pcm_format_big_endian' filepath='sound/core/pcm_misc.c' line='330' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_big_endian'>
+ <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='330' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_format_linear' mangled-name='snd_pcm_format_linear' filepath='sound/core/pcm_misc.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_linear'>
+ <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='299' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_format_physical_width' mangled-name='snd_pcm_format_physical_width' filepath='sound/core/pcm_misc.c' line='366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_physical_width'>
+ <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='366' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_format_unsigned' mangled-name='snd_pcm_format_unsigned' filepath='sound/core/pcm_misc.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_unsigned'>
+ <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='282' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_format_width' mangled-name='snd_pcm_format_width' filepath='sound/core/pcm_misc.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_format_width'>
+ <parameter type-id='67fa9bd5' name='format' filepath='sound/core/pcm_misc.c' line='348' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_eld' mangled-name='snd_pcm_hw_constraint_eld' filepath='sound/core/pcm_drm_eld.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_eld'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_drm_eld.c' line='80' column='1'/>
+ <parameter type-id='eaa32e2f' name='eld' filepath='sound/core/pcm_drm_eld.c' line='80' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_integer' mangled-name='snd_pcm_hw_constraint_integer' filepath='sound/core/pcm_lib.c' line='1219' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_integer'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1219' column='1'/>
+ <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1219' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_list' mangled-name='snd_pcm_hw_constraint_list' filepath='sound/core/pcm_lib.c' line='1270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_list'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1270' column='1'/>
+ <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1271' column='1'/>
+ <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1272' column='1'/>
+ <parameter type-id='a5cedbd3' name='l' filepath='sound/core/pcm_lib.c' line='1273' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_mask64' mangled-name='snd_pcm_hw_constraint_mask64' filepath='sound/core/pcm_lib.c' line='1195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_mask64'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1195' column='1'/>
+ <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1195' column='1'/>
+ <parameter type-id='f1f7b9a4' name='mask' filepath='sound/core/pcm_lib.c' line='1196' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_minmax' mangled-name='snd_pcm_hw_constraint_minmax' filepath='sound/core/pcm_lib.c' line='1238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_minmax'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1238' column='1'/>
+ <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1238' column='1'/>
+ <parameter type-id='f0981eeb' name='min' filepath='sound/core/pcm_lib.c' line='1239' column='1'/>
+ <parameter type-id='f0981eeb' name='max' filepath='sound/core/pcm_lib.c' line='1239' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_msbits' mangled-name='snd_pcm_hw_constraint_msbits' filepath='sound/core/pcm_lib.c' line='1414' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_msbits'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1414' column='1'/>
+ <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1415' column='1'/>
+ <parameter type-id='f0981eeb' name='width' filepath='sound/core/pcm_lib.c' line='1416' column='1'/>
+ <parameter type-id='f0981eeb' name='msbits' filepath='sound/core/pcm_lib.c' line='1417' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_ratnums' mangled-name='snd_pcm_hw_constraint_ratnums' filepath='sound/core/pcm_lib.c' line='1336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_ratnums'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1336' column='1'/>
+ <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1337' column='1'/>
+ <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1338' column='1'/>
+ <parameter type-id='4edb5fc7' name='r' filepath='sound/core/pcm_lib.c' line='1339' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_constraint_step' mangled-name='snd_pcm_hw_constraint_step' filepath='sound/core/pcm_lib.c' line='1443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_constraint_step'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1443' column='1'/>
+ <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1444' column='1'/>
+ <parameter type-id='6b55ba25' name='var' filepath='sound/core/pcm_lib.c' line='1445' column='1'/>
+ <parameter type-id='7359adad' name='step' filepath='sound/core/pcm_lib.c' line='1446' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_limit_rates' mangled-name='snd_pcm_hw_limit_rates' filepath='sound/core/pcm_misc.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_limit_rates'>
+ <parameter type-id='17e4a02a' name='hw' filepath='sound/core/pcm_misc.c' line='490' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_hw_rule_add' mangled-name='snd_pcm_hw_rule_add' filepath='sound/core/pcm_lib.c' line='1119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_hw_rule_add'>
+ <parameter type-id='17a05af6' name='runtime' filepath='sound/core/pcm_lib.c' line='1119' column='1'/>
+ <parameter type-id='f0981eeb' name='cond' filepath='sound/core/pcm_lib.c' line='1119' column='1'/>
+ <parameter type-id='95e97e5e' name='var' filepath='sound/core/pcm_lib.c' line='1120' column='1'/>
+ <parameter type-id='58d3b2a5' name='func' filepath='sound/core/pcm_lib.c' line='1121' column='1'/>
+ <parameter type-id='eaa32e2f' name='private' filepath='sound/core/pcm_lib.c' line='1121' column='1'/>
+ <parameter type-id='95e97e5e' name='dep' filepath='sound/core/pcm_lib.c' line='1122' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_lib_default_mmap' mangled-name='snd_pcm_lib_default_mmap' filepath='sound/core/pcm_native.c' line='3730' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_default_mmap'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='3730' column='1'/>
+ <parameter type-id='2ae08426' name='area' filepath='sound/core/pcm_native.c' line='3731' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_lib_free_pages' mangled-name='snd_pcm_lib_free_pages' filepath='sound/core/pcm_memory.c' line='432' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_free_pages'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_memory.c' line='432' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_lib_ioctl' mangled-name='snd_pcm_lib_ioctl' filepath='sound/core/pcm_lib.c' line='1765' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_ioctl'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_lib.c' line='1765' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='sound/core/pcm_lib.c' line='1766' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='sound/core/pcm_lib.c' line='1766' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_lib_malloc_pages' mangled-name='snd_pcm_lib_malloc_pages' filepath='sound/core/pcm_memory.c' line='378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_malloc_pages'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_memory.c' line='378' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='378' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_lib_preallocate_free_for_all' mangled-name='snd_pcm_lib_preallocate_free_for_all' filepath='sound/core/pcm_memory.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_preallocate_free_for_all'>
+ <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_memory.c' line='117' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_lib_preallocate_pages' mangled-name='snd_pcm_lib_preallocate_pages' filepath='sound/core/pcm_memory.c' line='274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_preallocate_pages'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_memory.c' line='274' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='sound/core/pcm_memory.c' line='275' column='1'/>
+ <parameter type-id='fa0b179b' name='data' filepath='sound/core/pcm_memory.c' line='275' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='276' column='1'/>
+ <parameter type-id='b59d7dce' name='max' filepath='sound/core/pcm_memory.c' line='276' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_lib_preallocate_pages_for_all' mangled-name='snd_pcm_lib_preallocate_pages_for_all' filepath='sound/core/pcm_memory.c' line='293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_lib_preallocate_pages_for_all'>
+ <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_memory.c' line='293' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='sound/core/pcm_memory.c' line='294' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='sound/core/pcm_memory.c' line='294' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='295' column='1'/>
+ <parameter type-id='b59d7dce' name='max' filepath='sound/core/pcm_memory.c' line='295' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_new' mangled-name='snd_pcm_new' filepath='sound/core/pcm.c' line='773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_new'>
+ <parameter type-id='52704eb7' name='card' filepath='sound/core/pcm.c' line='773' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='sound/core/pcm.c' line='773' column='1'/>
+ <parameter type-id='95e97e5e' name='device' filepath='sound/core/pcm.c' line='773' column='1'/>
+ <parameter type-id='95e97e5e' name='playback_count' filepath='sound/core/pcm.c' line='774' column='1'/>
+ <parameter type-id='95e97e5e' name='capture_count' filepath='sound/core/pcm.c' line='774' column='1'/>
+ <parameter type-id='0f9dfae3' name='rpcm' filepath='sound/core/pcm.c' line='774' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_pcm_period_elapsed' mangled-name='snd_pcm_period_elapsed' filepath='sound/core/pcm_lib.c' line='1791' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_period_elapsed'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_lib.c' line='1791' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_rate_range_to_bits' mangled-name='snd_pcm_rate_range_to_bits' filepath='sound/core/pcm_misc.c' line='595' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_rate_range_to_bits'>
+ <parameter type-id='f0981eeb' name='rate_min' filepath='sound/core/pcm_misc.c' line='595' column='1'/>
+ <parameter type-id='f0981eeb' name='rate_max' filepath='sound/core/pcm_misc.c' line='596' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='snd_pcm_release_substream' mangled-name='snd_pcm_release_substream' filepath='sound/core/pcm_native.c' line='2631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_release_substream'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='2631' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_set_managed_buffer_all' mangled-name='snd_pcm_set_managed_buffer_all' filepath='sound/core/pcm_memory.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_set_managed_buffer_all'>
+ <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_memory.c' line='338' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='sound/core/pcm_memory.c' line='338' column='1'/>
+ <parameter type-id='fa0b179b' name='data' filepath='sound/core/pcm_memory.c' line='339' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='sound/core/pcm_memory.c' line='340' column='1'/>
+ <parameter type-id='b59d7dce' name='max' filepath='sound/core/pcm_memory.c' line='340' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_set_ops' mangled-name='snd_pcm_set_ops' filepath='sound/core/pcm_lib.c' line='481' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_set_ops'>
+ <parameter type-id='4c9f335b' name='pcm' filepath='sound/core/pcm_lib.c' line='481' column='1'/>
+ <parameter type-id='95e97e5e' name='direction' filepath='sound/core/pcm_lib.c' line='481' column='1'/>
+ <parameter type-id='f63b1a17' name='ops' filepath='sound/core/pcm_lib.c' line='482' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_set_sync' mangled-name='snd_pcm_set_sync' filepath='sound/core/pcm_lib.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_set_sync'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_lib.c' line='498' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='snd_pcm_std_chmaps' type-id='93f82aba' mangled-name='snd_pcm_std_chmaps' visibility='default' filepath='sound/core/pcm_lib.c' line='2266' column='1' elf-symbol-id='snd_pcm_std_chmaps'/>
+ <function-decl name='snd_pcm_stream_lock' mangled-name='snd_pcm_stream_lock' filepath='sound/core/pcm_native.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stream_lock'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='108' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_stream_unlock' mangled-name='snd_pcm_stream_unlock' filepath='sound/core/pcm_native.c' line='120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stream_unlock'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='120' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_pcm_stream_unlock_irqrestore' mangled-name='snd_pcm_stream_unlock_irqrestore' filepath='sound/core/pcm_native.c' line='182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_pcm_stream_unlock_irqrestore'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/core/pcm_native.c' line='182' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='sound/core/pcm_native.c' line='183' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_add_card_controls' mangled-name='snd_soc_add_card_controls' filepath='sound/soc/soc-core.c' line='2140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_add_card_controls'>
+ <parameter type-id='3059cd0b' name='soc_card' filepath='sound/soc/soc-core.c' line='2140' column='1'/>
+ <parameter type-id='31e035f7' name='controls' filepath='sound/soc/soc-core.c' line='2141' column='1'/>
+ <parameter type-id='95e97e5e' name='num_controls' filepath='sound/soc/soc-core.c' line='2141' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_add_component_controls' mangled-name='snd_soc_add_component_controls' filepath='sound/soc/soc-core.c' line='2120' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_add_component_controls'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-core.c' line='2120' column='1'/>
+ <parameter type-id='31e035f7' name='controls' filepath='sound/soc/soc-core.c' line='2121' column='1'/>
+ <parameter type-id='f0981eeb' name='num_controls' filepath='sound/soc/soc-core.c' line='2121' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_add_dai_controls' mangled-name='snd_soc_add_dai_controls' filepath='sound/soc/soc-core.c' line='2160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_add_dai_controls'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-core.c' line='2160' column='1'/>
+ <parameter type-id='31e035f7' name='controls' filepath='sound/soc/soc-core.c' line='2161' column='1'/>
+ <parameter type-id='95e97e5e' name='num_controls' filepath='sound/soc/soc-core.c' line='2161' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_bytes_info_ext' mangled-name='snd_soc_bytes_info_ext' filepath='sound/soc/soc-ops.c' line='728' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_bytes_info_ext'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='728' column='1'/>
+ <parameter type-id='0e291009' name='ucontrol' filepath='sound/soc/soc-ops.c' line='729' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_bytes_tlv_callback' mangled-name='snd_soc_bytes_tlv_callback' filepath='sound/soc/soc-ops.c' line='740' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_bytes_tlv_callback'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='740' column='1'/>
+ <parameter type-id='95e97e5e' name='op_flag' filepath='sound/soc/soc-ops.c' line='740' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='sound/soc/soc-ops.c' line='741' column='1'/>
+ <parameter type-id='807869d3' name='tlv' filepath='sound/soc/soc-ops.c' line='741' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_card_get_kcontrol' mangled-name='snd_soc_card_get_kcontrol' filepath='sound/soc/soc-card.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_card_get_kcontrol'>
+ <parameter type-id='3059cd0b' name='soc_card' filepath='sound/soc/soc-card.c' line='29' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='sound/soc/soc-card.c' line='30' column='1'/>
+ <return type-id='7a5054b7'/>
+ </function-decl>
+ <function-decl name='snd_soc_card_jack_new' mangled-name='snd_soc_card_jack_new' filepath='sound/soc/soc-card.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_card_jack_new'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-card.c' line='60' column='1'/>
+ <parameter type-id='80f4b756' name='id' filepath='sound/soc/soc-card.c' line='60' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='sound/soc/soc-card.c' line='60' column='1'/>
+ <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-card.c' line='61' column='1'/>
+ <parameter type-id='fcd78288' name='pins' filepath='sound/soc/soc-card.c' line='62' column='1'/>
+ <parameter type-id='f0981eeb' name='num_pins' filepath='sound/soc/soc-card.c' line='62' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_async_complete' mangled-name='snd_soc_component_async_complete' filepath='sound/soc/soc-component.c' line='586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_async_complete'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='586' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_disable_pin' mangled-name='snd_soc_component_disable_pin' filepath='sound/soc/soc-component.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_disable_pin'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='156' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='157' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_enable_pin' mangled-name='snd_soc_component_enable_pin' filepath='sound/soc/soc-component.c' line='138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_enable_pin'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='138' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='139' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_exit_regmap' mangled-name='snd_soc_component_exit_regmap' filepath='sound/soc/soc-component.c' line='406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_exit_regmap'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='406' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_force_enable_pin' mangled-name='snd_soc_component_force_enable_pin' filepath='sound/soc/soc-component.c' line='201' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_force_enable_pin'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='201' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='202' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_get_pin_status' mangled-name='snd_soc_component_get_pin_status' filepath='sound/soc/soc-component.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_get_pin_status'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='192' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-component.c' line='193' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_init_regmap' mangled-name='snd_soc_component_init_regmap' filepath='sound/soc/soc-component.c' line='387' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_init_regmap'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='387' column='1'/>
+ <parameter type-id='29af9a71' name='regmap' filepath='sound/soc/soc-component.c' line='388' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_read' mangled-name='snd_soc_component_read' filepath='sound/soc/soc-component.c' line='444' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_read'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='444' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='445' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_set_jack' mangled-name='snd_soc_component_set_jack' filepath='sound/soc/soc-component.c' line='228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_set_jack'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='228' column='1'/>
+ <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-component.c' line='229' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='sound/soc/soc-component.c' line='229' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_set_pll' mangled-name='snd_soc_component_set_pll' filepath='sound/soc/soc-component.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_set_pll'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='95' column='1'/>
+ <parameter type-id='95e97e5e' name='pll_id' filepath='sound/soc/soc-component.c' line='95' column='1'/>
+ <parameter type-id='95e97e5e' name='source' filepath='sound/soc/soc-component.c' line='96' column='1'/>
+ <parameter type-id='f0981eeb' name='freq_in' filepath='sound/soc/soc-component.c' line='96' column='1'/>
+ <parameter type-id='f0981eeb' name='freq_out' filepath='sound/soc/soc-component.c' line='97' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_set_sysclk' mangled-name='snd_soc_component_set_sysclk' filepath='sound/soc/soc-component.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_set_sysclk'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='71' column='1'/>
+ <parameter type-id='95e97e5e' name='clk_id' filepath='sound/soc/soc-component.c' line='72' column='1'/>
+ <parameter type-id='95e97e5e' name='source' filepath='sound/soc/soc-component.c' line='72' column='1'/>
+ <parameter type-id='f0981eeb' name='freq' filepath='sound/soc/soc-component.c' line='72' column='1'/>
+ <parameter type-id='95e97e5e' name='dir' filepath='sound/soc/soc-component.c' line='73' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_test_bits' mangled-name='snd_soc_component_test_bits' filepath='sound/soc/soc-component.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_test_bits'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='605' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='606' column='1'/>
+ <parameter type-id='f0981eeb' name='mask' filepath='sound/soc/soc-component.c' line='606' column='1'/>
+ <parameter type-id='f0981eeb' name='value' filepath='sound/soc/soc-component.c' line='606' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_update_bits' mangled-name='snd_soc_component_update_bits' filepath='sound/soc/soc-component.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_update_bits'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='524' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='525' column='1'/>
+ <parameter type-id='f0981eeb' name='mask' filepath='sound/soc/soc-component.c' line='525' column='1'/>
+ <parameter type-id='f0981eeb' name='val' filepath='sound/soc/soc-component.c' line='525' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_update_bits_async' mangled-name='snd_soc_component_update_bits_async' filepath='sound/soc/soc-component.c' line='560' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_update_bits_async'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='560' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='561' column='1'/>
+ <parameter type-id='f0981eeb' name='mask' filepath='sound/soc/soc-component.c' line='561' column='1'/>
+ <parameter type-id='f0981eeb' name='val' filepath='sound/soc/soc-component.c' line='561' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_component_write' mangled-name='snd_soc_component_write' filepath='sound/soc/soc-component.c' line='479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_component_write'>
+ <parameter type-id='807b7702' name='component' filepath='sound/soc/soc-component.c' line='479' column='1'/>
+ <parameter type-id='f0981eeb' name='reg' filepath='sound/soc/soc-component.c' line='480' column='1'/>
+ <parameter type-id='f0981eeb' name='val' filepath='sound/soc/soc-component.c' line='480' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_active' mangled-name='snd_soc_dai_active' filepath='sound/soc/soc-dai.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_active'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='466' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_get_channel_map' mangled-name='snd_soc_dai_get_channel_map' filepath='sound/soc/soc-dai.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_get_channel_map'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='263' column='1'/>
+ <parameter type-id='807869d3' name='tx_num' filepath='sound/soc/soc-dai.c' line='264' column='1'/>
+ <parameter type-id='807869d3' name='tx_slot' filepath='sound/soc/soc-dai.c' line='264' column='1'/>
+ <parameter type-id='807869d3' name='rx_num' filepath='sound/soc/soc-dai.c' line='265' column='1'/>
+ <parameter type-id='807869d3' name='rx_slot' filepath='sound/soc/soc-dai.c' line='265' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_link_set_capabilities' mangled-name='snd_soc_dai_link_set_capabilities' filepath='sound/soc/soc-dai.c' line='418' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_link_set_capabilities'>
+ <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-dai.c' line='418' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_set_bclk_ratio' mangled-name='snd_soc_dai_set_bclk_ratio' filepath='sound/soc/soc-dai.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_bclk_ratio'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='125' column='1'/>
+ <parameter type-id='f0981eeb' name='ratio' filepath='sound/soc/soc-dai.c' line='125' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_set_channel_map' mangled-name='snd_soc_dai_set_channel_map' filepath='sound/soc/soc-dai.c' line='239' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_channel_map'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='239' column='1'/>
+ <parameter type-id='f0981eeb' name='tx_num' filepath='sound/soc/soc-dai.c' line='240' column='1'/>
+ <parameter type-id='807869d3' name='tx_slot' filepath='sound/soc/soc-dai.c' line='240' column='1'/>
+ <parameter type-id='f0981eeb' name='rx_num' filepath='sound/soc/soc-dai.c' line='241' column='1'/>
+ <parameter type-id='807869d3' name='rx_slot' filepath='sound/soc/soc-dai.c' line='241' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_set_fmt' mangled-name='snd_soc_dai_set_fmt' filepath='sound/soc/soc-dai.c' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_fmt'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='144' column='1'/>
+ <parameter type-id='f0981eeb' name='fmt' filepath='sound/soc/soc-dai.c' line='144' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_set_pll' mangled-name='snd_soc_dai_set_pll' filepath='sound/soc/soc-dai.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_pll'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='101' column='1'/>
+ <parameter type-id='95e97e5e' name='pll_id' filepath='sound/soc/soc-dai.c' line='101' column='1'/>
+ <parameter type-id='95e97e5e' name='source' filepath='sound/soc/soc-dai.c' line='101' column='1'/>
+ <parameter type-id='f0981eeb' name='freq_in' filepath='sound/soc/soc-dai.c' line='102' column='1'/>
+ <parameter type-id='f0981eeb' name='freq_out' filepath='sound/soc/soc-dai.c' line='102' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_set_sysclk' mangled-name='snd_soc_dai_set_sysclk' filepath='sound/soc/soc-dai.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_sysclk'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='52' column='1'/>
+ <parameter type-id='95e97e5e' name='clk_id' filepath='sound/soc/soc-dai.c' line='52' column='1'/>
+ <parameter type-id='f0981eeb' name='freq' filepath='sound/soc/soc-dai.c' line='53' column='1'/>
+ <parameter type-id='95e97e5e' name='dir' filepath='sound/soc/soc-dai.c' line='53' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_set_tdm_slot' mangled-name='snd_soc_dai_set_tdm_slot' filepath='sound/soc/soc-dai.c' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_tdm_slot'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='203' column='1'/>
+ <parameter type-id='f0981eeb' name='tx_mask' filepath='sound/soc/soc-dai.c' line='204' column='1'/>
+ <parameter type-id='f0981eeb' name='rx_mask' filepath='sound/soc/soc-dai.c' line='204' column='1'/>
+ <parameter type-id='95e97e5e' name='slots' filepath='sound/soc/soc-dai.c' line='205' column='1'/>
+ <parameter type-id='95e97e5e' name='slot_width' filepath='sound/soc/soc-dai.c' line='205' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dai_set_tristate' mangled-name='snd_soc_dai_set_tristate' filepath='sound/soc/soc-dai.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dai_set_tristate'>
+ <parameter type-id='1c936db9' name='dai' filepath='sound/soc/soc-dai.c' line='284' column='1'/>
+ <parameter type-id='95e97e5e' name='tristate' filepath='sound/soc/soc-dai.c' line='284' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_add_routes' mangled-name='snd_soc_dapm_add_routes' filepath='sound/soc/soc-dapm.c' line='3098' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_add_routes'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3098' column='1'/>
+ <parameter type-id='8f3d28b8' name='route' filepath='sound/soc/soc-dapm.c' line='3099' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3099' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_del_routes' mangled-name='snd_soc_dapm_del_routes' filepath='sound/soc/soc-dapm.c' line='3129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_del_routes'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3129' column='1'/>
+ <parameter type-id='8f3d28b8' name='route' filepath='sound/soc/soc-dapm.c' line='3130' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3130' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_disable_pin' mangled-name='snd_soc_dapm_disable_pin' filepath='sound/soc/soc-dapm.c' line='4661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_disable_pin'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4661' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4662' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_disable_pin_unlocked' mangled-name='snd_soc_dapm_disable_pin_unlocked' filepath='sound/soc/soc-dapm.c' line='4644' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_disable_pin_unlocked'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4644' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4645' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_enable_pin' mangled-name='snd_soc_dapm_enable_pin' filepath='sound/soc/soc-dapm.c' line='4550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_enable_pin'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4550' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4550' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_force_enable_pin' mangled-name='snd_soc_dapm_force_enable_pin' filepath='sound/soc/soc-dapm.c' line='4617' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_force_enable_pin'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4617' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4618' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_force_enable_pin_unlocked' mangled-name='snd_soc_dapm_force_enable_pin_unlocked' filepath='sound/soc/soc-dapm.c' line='4578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_force_enable_pin_unlocked'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4578' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4579' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_get_enum_double' mangled-name='snd_soc_dapm_get_enum_double' filepath='sound/soc/soc-dapm.c' line='3458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_enum_double'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3458' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3459' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_get_pin_status' mangled-name='snd_soc_dapm_get_pin_status' filepath='sound/soc/soc-dapm.c' line='4736' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_pin_status'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4736' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4737' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_get_pin_switch' mangled-name='snd_soc_dapm_get_pin_switch' filepath='sound/soc/soc-dapm.c' line='3576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_pin_switch'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3576' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3577' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_get_volsw' mangled-name='snd_soc_dapm_get_volsw' filepath='sound/soc/soc-dapm.c' line='3307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_get_volsw'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3307' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3308' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_ignore_suspend' mangled-name='snd_soc_dapm_ignore_suspend' filepath='sound/soc/soc-dapm.c' line='4759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_ignore_suspend'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='4759' column='1'/>
+ <parameter type-id='80f4b756' name='pin' filepath='sound/soc/soc-dapm.c' line='4760' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_info_pin_switch' mangled-name='snd_soc_dapm_info_pin_switch' filepath='sound/soc/soc-dapm.c' line='3558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_info_pin_switch'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3558' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-dapm.c' line='3559' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_kcontrol_dapm' mangled-name='snd_soc_dapm_kcontrol_dapm' filepath='sound/soc/soc-dapm.c' line='591' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_kcontrol_dapm'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='592' column='1'/>
+ <return type-id='70d004a5'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_kcontrol_widget' mangled-name='snd_soc_dapm_kcontrol_widget' filepath='sound/soc/soc-dapm.c' line='576' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_kcontrol_widget'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='577' column='1'/>
+ <return type-id='810606ec'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_mixer_update_power' mangled-name='snd_soc_dapm_mixer_update_power' filepath='sound/soc/soc-dapm.c' line='2363' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_mixer_update_power'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2363' column='1'/>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='2364' column='1'/>
+ <parameter type-id='95e97e5e' name='connect' filepath='sound/soc/soc-dapm.c' line='2364' column='1'/>
+ <parameter type-id='33146de3' name='update' filepath='sound/soc/soc-dapm.c' line='2365' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_mux_update_power' mangled-name='snd_soc_dapm_mux_update_power' filepath='sound/soc/soc-dapm.c' line='2298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_mux_update_power'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2298' column='1'/>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='2299' column='1'/>
+ <parameter type-id='95e97e5e' name='mux' filepath='sound/soc/soc-dapm.c' line='2299' column='1'/>
+ <parameter type-id='acf1578a' name='e' filepath='sound/soc/soc-dapm.c' line='2299' column='1'/>
+ <parameter type-id='33146de3' name='update' filepath='sound/soc/soc-dapm.c' line='2300' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_new_control' mangled-name='snd_soc_dapm_new_control' filepath='sound/soc/soc-dapm.c' line='3779' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_new_control'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3779' column='1'/>
+ <parameter type-id='dae78f89' name='widget' filepath='sound/soc/soc-dapm.c' line='3780' column='1'/>
+ <return type-id='810606ec'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_new_controls' mangled-name='snd_soc_dapm_new_controls' filepath='sound/soc/soc-dapm.c' line='3802' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_new_controls'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3802' column='1'/>
+ <parameter type-id='dae78f89' name='widget' filepath='sound/soc/soc-dapm.c' line='3803' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3804' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_new_widgets' mangled-name='snd_soc_dapm_new_widgets' filepath='sound/soc/soc-dapm.c' line='3233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_new_widgets'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-dapm.c' line='3233' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_put_enum_double' mangled-name='snd_soc_dapm_put_enum_double' filepath='sound/soc/soc-dapm.c' line='3495' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_put_enum_double'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3495' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3496' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_put_pin_switch' mangled-name='snd_soc_dapm_put_pin_switch' filepath='sound/soc/soc-dapm.c' line='3599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_put_pin_switch'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3599' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3600' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_put_volsw' mangled-name='snd_soc_dapm_put_volsw' filepath='sound/soc/soc-dapm.c' line='3366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_put_volsw'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-dapm.c' line='3366' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-dapm.c' line='3367' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_sync' mangled-name='snd_soc_dapm_sync' filepath='sound/soc/soc-dapm.c' line='2635' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_sync'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2635' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_sync_unlocked' mangled-name='snd_soc_dapm_sync_unlocked' filepath='sound/soc/soc-dapm.c' line='2613' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_sync_unlocked'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='2613' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dapm_weak_routes' mangled-name='snd_soc_dapm_weak_routes' filepath='sound/soc/soc-dapm.c' line='3206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dapm_weak_routes'>
+ <parameter type-id='70d004a5' name='dapm' filepath='sound/soc/soc-dapm.c' line='3206' column='1'/>
+ <parameter type-id='8f3d28b8' name='route' filepath='sound/soc/soc-dapm.c' line='3207' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-dapm.c' line='3207' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_dpcm_get_substream' mangled-name='snd_soc_dpcm_get_substream' filepath='sound/soc/soc-pcm.c' line='2912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_dpcm_get_substream'>
+ <parameter type-id='95316552' name='be' filepath='sound/soc/soc-pcm.c' line='2912' column='1'/>
+ <parameter type-id='95e97e5e' name='stream' filepath='sound/soc/soc-pcm.c' line='2912' column='1'/>
+ <return type-id='06b2cd14'/>
+ </function-decl>
+ <function-decl name='snd_soc_find_dai' mangled-name='snd_soc_find_dai' filepath='sound/soc/soc-core.c' line='810' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_find_dai'>
+ <parameter type-id='18cfbc8f' name='dlc' filepath='sound/soc/soc-core.c' line='811' column='1'/>
+ <return type-id='1c936db9'/>
+ </function-decl>
+ <function-decl name='snd_soc_get_dai_name' mangled-name='snd_soc_get_dai_name' filepath='sound/soc/soc-core.c' line='3045' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_dai_name'>
+ <parameter type-id='51a94113' name='args' filepath='sound/soc/soc-core.c' line='3045' column='1'/>
+ <parameter type-id='7d3cd834' name='dai_name' filepath='sound/soc/soc-core.c' line='3046' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_get_enum_double' mangled-name='snd_soc_get_enum_double' filepath='sound/soc/soc-ops.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_enum_double'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='59' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='60' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_get_pcm_runtime' mangled-name='snd_soc_get_pcm_runtime' filepath='sound/soc/soc-core.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_pcm_runtime'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='347' column='1'/>
+ <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-core.c' line='348' column='1'/>
+ <return type-id='95316552'/>
+ </function-decl>
+ <function-decl name='snd_soc_get_volsw' mangled-name='snd_soc_get_volsw' filepath='sound/soc/soc-ops.c' line='236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_volsw'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='236' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='237' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_get_volsw_range' mangled-name='snd_soc_get_volsw_range' filepath='sound/soc/soc-ops.c' line='524' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_volsw_range'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='524' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='525' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_get_volsw_sx' mangled-name='snd_soc_get_volsw_sx' filepath='sound/soc/soc-ops.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_volsw_sx'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='358' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='359' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_get_xr_sx' mangled-name='snd_soc_get_xr_sx' filepath='sound/soc/soc-ops.c' line='799' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_get_xr_sx'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='799' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='800' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_info_enum_double' mangled-name='snd_soc_info_enum_double' filepath='sound/soc/soc-ops.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_enum_double'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='40' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='41' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_info_multi_ext' mangled-name='snd_soc_info_multi_ext' filepath='sound/soc/soc-core.c' line='3022' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_multi_ext'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-core.c' line='3022' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-core.c' line='3023' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_info_volsw' mangled-name='snd_soc_info_volsw' filepath='sound/soc/soc-ops.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_volsw'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='175' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='176' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_info_volsw_range' mangled-name='snd_soc_info_volsw_range' filepath='sound/soc/soc-ops.c' line='442' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_volsw_range'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='442' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='443' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_info_volsw_sx' mangled-name='snd_soc_info_volsw_sx' filepath='sound/soc/soc-ops.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_volsw_sx'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='210' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='211' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_info_xr_sx' mangled-name='snd_soc_info_xr_sx' filepath='sound/soc/soc-ops.c' line='772' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_info_xr_sx'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='772' column='1'/>
+ <parameter type-id='0e291009' name='uinfo' filepath='sound/soc/soc-ops.c' line='773' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_jack_add_gpios' mangled-name='snd_soc_jack_add_gpios' filepath='sound/soc/soc-jack.c' line='312' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_jack_add_gpios'>
+ <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-jack.c' line='312' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='sound/soc/soc-jack.c' line='312' column='1'/>
+ <parameter type-id='3c269e0e' name='gpios' filepath='sound/soc/soc-jack.c' line='313' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_jack_notifier_register' mangled-name='snd_soc_jack_notifier_register' filepath='sound/soc/soc-jack.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_jack_notifier_register'>
+ <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-jack.c' line='188' column='1'/>
+ <parameter type-id='d504f73d' name='nb' filepath='sound/soc/soc-jack.c' line='189' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_jack_report' mangled-name='snd_soc_jack_report' filepath='sound/soc/soc-jack.c' line='40' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_jack_report'>
+ <parameter type-id='12a060a4' name='jack' filepath='sound/soc/soc-jack.c' line='40' column='1'/>
+ <parameter type-id='95e97e5e' name='status' filepath='sound/soc/soc-jack.c' line='40' column='1'/>
+ <parameter type-id='95e97e5e' name='mask' filepath='sound/soc/soc-jack.c' line='40' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_limit_volume' mangled-name='snd_soc_limit_volume' filepath='sound/soc/soc-ops.c' line='572' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_limit_volume'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-ops.c' line='572' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='sound/soc/soc-ops.c' line='573' column='1'/>
+ <parameter type-id='95e97e5e' name='max' filepath='sound/soc/soc-ops.c' line='573' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_lookup_component' mangled-name='snd_soc_lookup_component' filepath='sound/soc/soc-core.c' line='333' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_lookup_component'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='333' column='1'/>
+ <parameter type-id='80f4b756' name='driver_name' filepath='sound/soc/soc-core.c' line='334' column='1'/>
+ <return type-id='807b7702'/>
+ </function-decl>
+ <function-decl name='snd_soc_lookup_component_nolocked' mangled-name='snd_soc_lookup_component_nolocked' filepath='sound/soc/soc-core.c' line='313' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_lookup_component_nolocked'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='313' column='1'/>
+ <parameter type-id='80f4b756' name='driver_name' filepath='sound/soc/soc-core.c' line='313' column='1'/>
+ <return type-id='807b7702'/>
+ </function-decl>
+ <function-decl name='snd_soc_new_compress' mangled-name='snd_soc_new_compress' filepath='sound/soc/soc-compress.c' line='750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_new_compress'>
+ <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-compress.c' line='750' column='1'/>
+ <parameter type-id='95e97e5e' name='num' filepath='sound/soc/soc-compress.c' line='750' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_get_dai_link_codecs' mangled-name='snd_soc_of_get_dai_link_codecs' filepath='sound/soc/soc-core.c' line='3163' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_get_dai_link_codecs'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='3163' column='1'/>
+ <parameter type-id='9a537bbe' name='of_node' filepath='sound/soc/soc-core.c' line='3164' column='1'/>
+ <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-core.c' line='3165' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_get_dai_name' mangled-name='snd_soc_of_get_dai_name' filepath='sound/soc/soc-core.c' line='3110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_get_dai_name'>
+ <parameter type-id='9a537bbe' name='of_node' filepath='sound/soc/soc-core.c' line='3110' column='1'/>
+ <parameter type-id='7d3cd834' name='dai_name' filepath='sound/soc/soc-core.c' line='3111' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_parse_audio_routing' mangled-name='snd_soc_of_parse_audio_routing' filepath='sound/soc/soc-core.c' line='2781' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_audio_routing'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2781' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2782' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_parse_audio_simple_widgets' mangled-name='snd_soc_of_parse_audio_simple_widgets' filepath='sound/soc/soc-core.c' line='2627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_audio_simple_widgets'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2627' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2628' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_parse_aux_devs' mangled-name='snd_soc_of_parse_aux_devs' filepath='sound/soc/soc-core.c' line='2837' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_aux_devs'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2837' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2837' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_parse_card_name' mangled-name='snd_soc_of_parse_card_name' filepath='sound/soc/soc-core.c' line='2590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_card_name'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2590' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2591' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_parse_daifmt' mangled-name='snd_soc_of_parse_daifmt' filepath='sound/soc/soc-core.c' line='2868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_daifmt'>
+ <parameter type-id='9a537bbe' name='np' filepath='sound/soc/soc-core.c' line='2868' column='1'/>
+ <parameter type-id='80f4b756' name='prefix' filepath='sound/soc/soc-core.c' line='2869' column='1'/>
+ <parameter type-id='856b89fc' name='bitclkmaster' filepath='sound/soc/soc-core.c' line='2870' column='1'/>
+ <parameter type-id='856b89fc' name='framemaster' filepath='sound/soc/soc-core.c' line='2871' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_parse_node_prefix' mangled-name='snd_soc_of_parse_node_prefix' filepath='sound/soc/soc-core.c' line='2762' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_node_prefix'>
+ <parameter type-id='9a537bbe' name='np' filepath='sound/soc/soc-core.c' line='2762' column='1'/>
+ <parameter type-id='f10279fe' name='codec_conf' filepath='sound/soc/soc-core.c' line='2763' column='1'/>
+ <parameter type-id='9a537bbe' name='of_node' filepath='sound/soc/soc-core.c' line='2764' column='1'/>
+ <parameter type-id='80f4b756' name='propname' filepath='sound/soc/soc-core.c' line='2765' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_parse_tdm_slot' mangled-name='snd_soc_of_parse_tdm_slot' filepath='sound/soc/soc-core.c' line='2726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_parse_tdm_slot'>
+ <parameter type-id='9a537bbe' name='np' filepath='sound/soc/soc-core.c' line='2726' column='1'/>
+ <parameter type-id='807869d3' name='tx_mask' filepath='sound/soc/soc-core.c' line='2727' column='1'/>
+ <parameter type-id='807869d3' name='rx_mask' filepath='sound/soc/soc-core.c' line='2728' column='1'/>
+ <parameter type-id='807869d3' name='slots' filepath='sound/soc/soc-core.c' line='2729' column='1'/>
+ <parameter type-id='807869d3' name='slot_width' filepath='sound/soc/soc-core.c' line='2730' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_of_put_dai_link_codecs' mangled-name='snd_soc_of_put_dai_link_codecs' filepath='sound/soc/soc-core.c' line='3135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_of_put_dai_link_codecs'>
+ <parameter type-id='af5a73b0' name='dai_link' filepath='sound/soc/soc-core.c' line='3135' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_soc_params_to_bclk' mangled-name='snd_soc_params_to_bclk' filepath='sound/soc/soc-utils.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_params_to_bclk'>
+ <parameter type-id='363a995e' name='params' filepath='sound/soc/soc-utils.c' line='42' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_params_to_frame_size' mangled-name='snd_soc_params_to_frame_size' filepath='sound/soc/soc-utils.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_params_to_frame_size'>
+ <parameter type-id='363a995e' name='params' filepath='sound/soc/soc-utils.c' line='23' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='snd_soc_pm_ops' type-id='86af1d10' mangled-name='snd_soc_pm_ops' visibility='default' filepath='sound/soc/soc-core.c' line='2028' column='1' elf-symbol-id='snd_soc_pm_ops'/>
+ <function-decl name='snd_soc_poweroff' mangled-name='snd_soc_poweroff' filepath='sound/soc/soc-core.c' line='2004' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_poweroff'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='2004' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_put_enum_double' mangled-name='snd_soc_put_enum_double' filepath='sound/soc/soc-ops.c' line='90' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_enum_double'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='90' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='91' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_put_volsw' mangled-name='snd_soc_put_volsw' filepath='sound/soc/soc-ops.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_volsw'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='296' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='297' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_put_volsw_range' mangled-name='snd_soc_put_volsw_range' filepath='sound/soc/soc-ops.c' line='472' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_volsw_range'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='472' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='473' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_put_volsw_sx' mangled-name='snd_soc_put_volsw_sx' filepath='sound/soc/soc-ops.c' line='395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_volsw_sx'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='395' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='396' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_put_xr_sx' mangled-name='snd_soc_put_xr_sx' filepath='sound/soc/soc-ops.c' line='845' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_put_xr_sx'>
+ <parameter type-id='7a5054b7' name='kcontrol' filepath='sound/soc/soc-ops.c' line='845' column='1'/>
+ <parameter type-id='144a5d4c' name='ucontrol' filepath='sound/soc/soc-ops.c' line='846' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_register_card' mangled-name='snd_soc_register_card' filepath='sound/soc/soc-core.c' line='2176' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_register_card'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2176' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_register_component' mangled-name='snd_soc_register_component' filepath='sound/soc/soc-core.c' line='2520' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_register_component'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='2520' column='1'/>
+ <parameter type-id='f030c2b8' name='component_driver' filepath='sound/soc/soc-core.c' line='2521' column='1'/>
+ <parameter type-id='763d26a2' name='dai_drv' filepath='sound/soc/soc-core.c' line='2522' column='1'/>
+ <parameter type-id='95e97e5e' name='num_dai' filepath='sound/soc/soc-core.c' line='2523' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_resume' mangled-name='snd_soc_resume' filepath='sound/soc/soc-core.c' line='711' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='711' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_rtdcom_lookup' mangled-name='snd_soc_rtdcom_lookup' filepath='sound/soc/soc-core.c' line='280' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_rtdcom_lookup'>
+ <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-core.c' line='280' column='1'/>
+ <parameter type-id='80f4b756' name='driver_name' filepath='sound/soc/soc-core.c' line='281' column='1'/>
+ <return type-id='807b7702'/>
+ </function-decl>
+ <function-decl name='snd_soc_runtime_calc_hw' mangled-name='snd_soc_runtime_calc_hw' filepath='sound/soc/soc-pcm.c' line='502' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_runtime_calc_hw'>
+ <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-pcm.c' line='502' column='1'/>
+ <parameter type-id='17e4a02a' name='hw' filepath='sound/soc/soc-pcm.c' line='503' column='1'/>
+ <parameter type-id='95e97e5e' name='stream' filepath='sound/soc/soc-pcm.c' line='503' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_runtime_set_dai_fmt' mangled-name='snd_soc_runtime_set_dai_fmt' filepath='sound/soc/soc-core.c' line='1422' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_runtime_set_dai_fmt'>
+ <parameter type-id='95316552' name='rtd' filepath='sound/soc/soc-core.c' line='1422' column='1'/>
+ <parameter type-id='f0981eeb' name='dai_fmt' filepath='sound/soc/soc-core.c' line='1423' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_set_runtime_hwparams' mangled-name='snd_soc_set_runtime_hwparams' filepath='sound/soc/soc-pcm.c' line='264' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_set_runtime_hwparams'>
+ <parameter type-id='06b2cd14' name='substream' filepath='sound/soc/soc-pcm.c' line='264' column='1'/>
+ <parameter type-id='d661a615' name='hw' filepath='sound/soc/soc-pcm.c' line='265' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_tplg_component_load' mangled-name='snd_soc_tplg_component_load' filepath='sound/soc/soc-topology.c' line='2807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_tplg_component_load'>
+ <parameter type-id='807b7702' name='comp' filepath='sound/soc/soc-topology.c' line='2807' column='1'/>
+ <parameter type-id='76e6e22f' name='ops' filepath='sound/soc/soc-topology.c' line='2808' column='1'/>
+ <parameter type-id='fce0537d' name='fw' filepath='sound/soc/soc-topology.c' line='2808' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='sound/soc/soc-topology.c' line='2808' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_tplg_component_remove' mangled-name='snd_soc_tplg_component_remove' filepath='sound/soc/soc-topology.c' line='2874' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_tplg_component_remove'>
+ <parameter type-id='807b7702' name='comp' filepath='sound/soc/soc-topology.c' line='2874' column='1'/>
+ <parameter type-id='19c2251e' name='index' filepath='sound/soc/soc-topology.c' line='2874' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_tplg_widget_bind_event' mangled-name='snd_soc_tplg_widget_bind_event' filepath='sound/soc/soc-topology.c' line='663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_tplg_widget_bind_event'>
+ <parameter type-id='810606ec' name='w' filepath='sound/soc/soc-topology.c' line='663' column='1'/>
+ <parameter type-id='46c30e4c' name='events' filepath='sound/soc/soc-topology.c' line='664' column='1'/>
+ <parameter type-id='95e97e5e' name='num_events' filepath='sound/soc/soc-topology.c' line='665' column='1'/>
+ <parameter type-id='1dc6a898' name='event_type' filepath='sound/soc/soc-topology.c' line='665' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_unregister_card' mangled-name='snd_soc_unregister_card' filepath='sound/soc/soc-core.c' line='2209' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_unregister_card'>
+ <parameter type-id='3059cd0b' name='card' filepath='sound/soc/soc-core.c' line='2209' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_soc_unregister_component' mangled-name='snd_soc_unregister_component' filepath='sound/soc/soc-core.c' line='2573' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_soc_unregister_component'>
+ <parameter type-id='fa0b179b' name='dev' filepath='sound/soc/soc-core.c' line='2573' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='snd_usb_enable_audio_stream' mangled-name='snd_usb_enable_audio_stream' filepath='sound/usb/pcm.c' line='688' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_usb_enable_audio_stream'>
+ <parameter type-id='6b1642ae' name='subs' filepath='sound/usb/pcm.c' line='688' column='1'/>
+ <parameter type-id='95e97e5e' name='datainterval' filepath='sound/usb/pcm.c' line='689' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='sound/usb/pcm.c' line='689' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snd_vendor_set_ops' mangled-name='snd_vendor_set_ops' filepath='sound/usb/card.c' line='117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snd_vendor_set_ops'>
+ <parameter type-id='39c41052' name='ops' filepath='sound/usb/card.c' line='117' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='snprintf' mangled-name='snprintf' filepath='include/linux/kernel.h' line='479' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='snprintf'>
+ <parameter type-id='26a90f95'/>
+ <parameter type-id='7359adad'/>
+ <parameter type-id='80f4b756'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='soc_device_match' mangled-name='soc_device_match' filepath='drivers/base/soc.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='soc_device_match'>
+ <parameter type-id='76f001ad' name='matches' filepath='drivers/base/soc.c' line='242' column='1'/>
+ <return type-id='76f001ad'/>
+ </function-decl>
+ <function-decl name='soc_device_register' mangled-name='soc_device_register' filepath='drivers/base/soc.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='soc_device_register'>
+ <parameter type-id='2dbbe856' name='soc_dev_attr' filepath='drivers/base/soc.c' line='114' column='1'/>
+ <return type-id='97eb1967'/>
+ </function-decl>
+ <function-decl name='soc_device_unregister' mangled-name='soc_device_unregister' filepath='drivers/base/soc.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='soc_device_unregister'>
+ <parameter type-id='97eb1967' name='soc_dev' filepath='drivers/base/soc.c' line='172' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sock_alloc_send_skb' mangled-name='sock_alloc_send_skb' filepath='net/core/sock.c' line='2366' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_alloc_send_skb'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='2366' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='net/core/sock.c' line='2366' column='1'/>
+ <parameter type-id='95e97e5e' name='noblock' filepath='net/core/sock.c' line='2367' column='1'/>
+ <parameter type-id='7292109c' name='errcode' filepath='net/core/sock.c' line='2367' column='1'/>
+ <return type-id='0fbf3cfd'/>
+ </function-decl>
+ <function-decl name='sock_create_kern' mangled-name='sock_create_kern' filepath='net/socket.c' line='1484' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_create_kern'>
+ <parameter type-id='a2bff676' name='net' filepath='net/socket.c' line='1484' column='1'/>
+ <parameter type-id='95e97e5e' name='family' filepath='net/socket.c' line='1484' column='1'/>
+ <parameter type-id='95e97e5e' name='type' filepath='net/socket.c' line='1484' column='1'/>
+ <parameter type-id='95e97e5e' name='protocol' filepath='net/socket.c' line='1484' column='1'/>
+ <parameter type-id='1a7bb5c8' name='res' filepath='net/socket.c' line='1484' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_efree' mangled-name='sock_efree' filepath='net/core/sock.c' line='2155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_efree'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='2155' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sock_gettstamp' mangled-name='sock_gettstamp' filepath='net/core/sock.c' line='3139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_gettstamp'>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='3139' column='1'/>
+ <parameter type-id='eaa32e2f' name='userstamp' filepath='net/core/sock.c' line='3139' column='1'/>
+ <parameter type-id='b50a4934' name='timeval' filepath='net/core/sock.c' line='3140' column='1'/>
+ <parameter type-id='b50a4934' name='time32' filepath='net/core/sock.c' line='3140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_i_uid' mangled-name='sock_i_uid' filepath='net/core/sock.c' line='2173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_i_uid'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='2173' column='1'/>
+ <return type-id='d80b72e6'/>
+ </function-decl>
+ <function-decl name='sock_init_data' mangled-name='sock_init_data' filepath='net/core/sock.c' line='2985' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_init_data'>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2985' column='1'/>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='2985' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sock_no_accept' mangled-name='sock_no_accept' filepath='net/core/sock.c' line='2769' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_accept'>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2769' column='1'/>
+ <parameter type-id='13103032' name='newsock' filepath='net/core/sock.c' line='2769' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/core/sock.c' line='2769' column='1'/>
+ <parameter type-id='b50a4934' name='kern' filepath='net/core/sock.c' line='2770' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_no_listen' mangled-name='sock_no_listen' filepath='net/core/sock.c' line='2789' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_listen'>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2789' column='1'/>
+ <parameter type-id='95e97e5e' name='backlog' filepath='net/core/sock.c' line='2789' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_no_mmap' mangled-name='sock_no_mmap' filepath='net/core/sock.c' line='2820' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_mmap'>
+ <parameter type-id='77e79a4b' name='file' filepath='net/core/sock.c' line='2820' column='1'/>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2820' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='net/core/sock.c' line='2820' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_no_sendpage' mangled-name='sock_no_sendpage' filepath='net/core/sock.c' line='2848' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_sendpage'>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2848' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='net/core/sock.c' line='2848' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='net/core/sock.c' line='2848' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='net/core/sock.c' line='2848' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/core/sock.c' line='2848' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='sock_no_shutdown' mangled-name='sock_no_shutdown' filepath='net/core/sock.c' line='2795' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_shutdown'>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='2795' column='1'/>
+ <parameter type-id='95e97e5e' name='how' filepath='net/core/sock.c' line='2795' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_no_socketpair' mangled-name='sock_no_socketpair' filepath='net/core/sock.c' line='2763' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_no_socketpair'>
+ <parameter type-id='13103032' name='sock1' filepath='net/core/sock.c' line='2763' column='1'/>
+ <parameter type-id='13103032' name='sock2' filepath='net/core/sock.c' line='2763' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_queue_rcv_skb' mangled-name='sock_queue_rcv_skb' filepath='net/core/sock.c' line='475' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_queue_rcv_skb'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/core/sock.c' line='475' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='475' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_recvmsg' mangled-name='sock_recvmsg' filepath='net/socket.c' line='900' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_recvmsg'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='900' column='1'/>
+ <parameter type-id='6b9b777a' name='msg' filepath='net/socket.c' line='900' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/socket.c' line='900' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_register' mangled-name='sock_register' filepath='net/socket.c' line='2975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_register'>
+ <parameter type-id='81a51edb' name='ops' filepath='net/socket.c' line='2975' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_release' mangled-name='sock_release' filepath='net/socket.c' line='623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_release'>
+ <parameter type-id='13103032' name='sock' filepath='net/socket.c' line='623' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sock_setsockopt' mangled-name='sock_setsockopt' filepath='net/core/sock.c' line='833' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_setsockopt'>
+ <parameter type-id='13103032' name='sock' filepath='net/core/sock.c' line='833' column='1'/>
+ <parameter type-id='95e97e5e' name='level' filepath='net/core/sock.c' line='833' column='1'/>
+ <parameter type-id='95e97e5e' name='optname' filepath='net/core/sock.c' line='833' column='1'/>
+ <parameter type-id='298d29fd' name='optval' filepath='net/core/sock.c' line='834' column='1'/>
+ <parameter type-id='f0981eeb' name='optlen' filepath='net/core/sock.c' line='834' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sock_unregister' mangled-name='sock_unregister' filepath='net/socket.c' line='3012' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_unregister'>
+ <parameter type-id='95e97e5e' name='family' filepath='net/socket.c' line='3012' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sock_wfree' mangled-name='sock_wfree' filepath='net/core/sock.c' line='2051' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sock_wfree'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/sock.c' line='2051' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sockfd_lookup' mangled-name='sockfd_lookup' filepath='net/socket.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sockfd_lookup'>
+ <parameter type-id='95e97e5e' name='fd' filepath='net/socket.c' line='477' column='1'/>
+ <parameter type-id='7292109c' name='err' filepath='net/socket.c' line='477' column='1'/>
+ <return type-id='13103032'/>
+ </function-decl>
+ <var-decl name='softnet_data' type-id='035aa62d' mangled-name='softnet_data' visibility='default' filepath='net/core/dev.c' line='403' column='1' elf-symbol-id='softnet_data'/>
+ <function-decl name='sort' mangled-name='sort' filepath='lib/sort.c' line='266' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sort'>
+ <parameter type-id='eaa32e2f' name='base' filepath='lib/sort.c' line='266' column='1'/>
+ <parameter type-id='b59d7dce' name='num' filepath='lib/sort.c' line='266' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/sort.c' line='266' column='1'/>
+ <parameter type-id='a08bda3c' name='cmp_func' filepath='lib/sort.c' line='267' column='1'/>
+ <parameter type-id='a271c445' name='swap_func' filepath='lib/sort.c' line='268' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='spi_bus_lock' mangled-name='spi_bus_lock' filepath='drivers/spi/spi.c' line='3934' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_bus_lock'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='3934' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='spi_bus_type' type-id='b31bfc8a' mangled-name='spi_bus_type' visibility='default' filepath='drivers/spi/spi.c' line='373' column='1' elf-symbol-id='spi_bus_type'/>
+ <function-decl name='spi_bus_unlock' mangled-name='spi_bus_unlock' filepath='drivers/spi/spi.c' line='3963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_bus_unlock'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='3963' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_controller_resume' mangled-name='spi_controller_resume' filepath='drivers/spi/spi.c' line='2932' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_controller_resume'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2932' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_controller_suspend' mangled-name='spi_controller_suspend' filepath='drivers/spi/spi.c' line='2916' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_controller_suspend'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2916' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_delay_exec' mangled-name='spi_delay_exec' filepath='drivers/spi/spi.c' line='1207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_delay_exec'>
+ <parameter type-id='652fafc9' name='_delay' filepath='drivers/spi/spi.c' line='1207' column='1'/>
+ <parameter type-id='7c11f655' name='xfer' filepath='drivers/spi/spi.c' line='1207' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_finalize_current_message' mangled-name='spi_finalize_current_message' filepath='drivers/spi/spi.c' line='1724' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_finalize_current_message'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='1724' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='spi_finalize_current_transfer' mangled-name='spi_finalize_current_transfer' filepath='drivers/spi/spi.c' line='1365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_finalize_current_transfer'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='1365' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='spi_get_device_id' mangled-name='spi_get_device_id' filepath='drivers/spi/spi.c' line='330' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_get_device_id'>
+ <parameter type-id='06f4c6ad' name='sdev' filepath='drivers/spi/spi.c' line='330' column='1'/>
+ <return type-id='07695d8b'/>
+ </function-decl>
+ <function-decl name='spi_get_next_queued_message' mangled-name='spi_get_next_queued_message' filepath='drivers/spi/spi.c' line='1702' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_get_next_queued_message'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='1702' column='1'/>
+ <return type-id='bb7889ed'/>
+ </function-decl>
+ <function-decl name='spi_mem_adjust_op_size' mangled-name='spi_mem_adjust_op_size' filepath='drivers/spi/spi-mem.c' line='440' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_adjust_op_size'>
+ <parameter type-id='33dc3b1b' name='mem' filepath='drivers/spi/spi-mem.c' line='440' column='1'/>
+ <parameter type-id='1cf47bfb' name='op' filepath='drivers/spi/spi-mem.c' line='440' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_mem_default_supports_op' mangled-name='spi_mem_default_supports_op' filepath='drivers/spi/spi-mem.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_default_supports_op'>
+ <parameter type-id='33dc3b1b' name='mem' filepath='drivers/spi/spi-mem.c' line='172' column='1'/>
+ <parameter type-id='10593a44' name='op' filepath='drivers/spi/spi-mem.c' line='173' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='spi_mem_dirmap_read' mangled-name='spi_mem_dirmap_read' filepath='drivers/spi/spi-mem.c' line='664' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_dirmap_read'>
+ <parameter type-id='4f4f2d55' name='desc' filepath='drivers/spi/spi-mem.c' line='664' column='1'/>
+ <parameter type-id='91ce1af9' name='offs' filepath='drivers/spi/spi-mem.c' line='665' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/spi/spi-mem.c' line='665' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/spi/spi-mem.c' line='665' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='spi_mem_dirmap_write' mangled-name='spi_mem_dirmap_write' filepath='drivers/spi/spi-mem.c' line='710' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_dirmap_write'>
+ <parameter type-id='4f4f2d55' name='desc' filepath='drivers/spi/spi-mem.c' line='710' column='1'/>
+ <parameter type-id='91ce1af9' name='offs' filepath='drivers/spi/spi-mem.c' line='711' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/spi/spi-mem.c' line='711' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='drivers/spi/spi-mem.c' line='711' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='spi_mem_driver_register_with_owner' mangled-name='spi_mem_driver_register_with_owner' filepath='drivers/spi/spi-mem.c' line='800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_driver_register_with_owner'>
+ <parameter type-id='a31786f0' name='memdrv' filepath='drivers/spi/spi-mem.c' line='800' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/spi/spi-mem.c' line='801' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_mem_driver_unregister' mangled-name='spi_mem_driver_unregister' filepath='drivers/spi/spi-mem.c' line='817' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_driver_unregister'>
+ <parameter type-id='a31786f0' name='memdrv' filepath='drivers/spi/spi-mem.c' line='817' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='spi_mem_dtr_supports_op' mangled-name='spi_mem_dtr_supports_op' filepath='drivers/spi/spi-mem.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_dtr_supports_op'>
+ <parameter type-id='33dc3b1b' name='mem' filepath='drivers/spi/spi-mem.c' line='162' column='1'/>
+ <parameter type-id='10593a44' name='op' filepath='drivers/spi/spi-mem.c' line='163' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='spi_mem_exec_op' mangled-name='spi_mem_exec_op' filepath='drivers/spi/spi-mem.c' line='298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_exec_op'>
+ <parameter type-id='33dc3b1b' name='mem' filepath='drivers/spi/spi-mem.c' line='298' column='1'/>
+ <parameter type-id='10593a44' name='op' filepath='drivers/spi/spi-mem.c' line='298' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_mem_get_name' mangled-name='spi_mem_get_name' filepath='drivers/spi/spi-mem.c' line='419' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_get_name'>
+ <parameter type-id='33dc3b1b' name='mem' filepath='drivers/spi/spi-mem.c' line='419' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='spi_mem_supports_op' mangled-name='spi_mem_supports_op' filepath='drivers/spi/spi-mem.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_mem_supports_op'>
+ <parameter type-id='33dc3b1b' name='mem' filepath='drivers/spi/spi-mem.c' line='238' column='1'/>
+ <parameter type-id='10593a44' name='op' filepath='drivers/spi/spi-mem.c' line='238' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='spi_register_controller' mangled-name='spi_register_controller' filepath='drivers/spi/spi.c' line='2670' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_register_controller'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2670' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_setup' mangled-name='spi_setup' filepath='drivers/spi/spi.c' line='3344' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_setup'>
+ <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3344' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_sync' mangled-name='spi_sync' filepath='drivers/spi/spi.c' line='3885' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_sync'>
+ <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3885' column='1'/>
+ <parameter type-id='bb7889ed' name='message' filepath='drivers/spi/spi.c' line='3885' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_sync_locked' mangled-name='spi_sync_locked' filepath='drivers/spi/spi.c' line='3913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_sync_locked'>
+ <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3913' column='1'/>
+ <parameter type-id='bb7889ed' name='message' filepath='drivers/spi/spi.c' line='3913' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spi_unregister_controller' mangled-name='spi_unregister_controller' filepath='drivers/spi/spi.c' line='2873' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_unregister_controller'>
+ <parameter type-id='f22e4524' name='ctlr' filepath='drivers/spi/spi.c' line='2873' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='spi_write_then_read' mangled-name='spi_write_then_read' filepath='drivers/spi/spi.c' line='3998' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spi_write_then_read'>
+ <parameter type-id='e90f4666' name='spi' filepath='drivers/spi/spi.c' line='3998' column='1'/>
+ <parameter type-id='eaa32e2f' name='txbuf' filepath='drivers/spi/spi.c' line='3999' column='1'/>
+ <parameter type-id='f0981eeb' name='n_tx' filepath='drivers/spi/spi.c' line='3999' column='1'/>
+ <parameter type-id='eaa32e2f' name='rxbuf' filepath='drivers/spi/spi.c' line='4000' column='1'/>
+ <parameter type-id='f0981eeb' name='n_rx' filepath='drivers/spi/spi.c' line='4000' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='split_page' mangled-name='split_page' filepath='mm/page_alloc.c' line='3395' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='split_page'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/page_alloc.c' line='3395' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='3395' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='spmi_controller_add' mangled-name='spmi_controller_add' filepath='drivers/spmi/spmi.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_controller_add'>
+ <parameter type-id='d5cbf711' name='ctrl' filepath='drivers/spmi/spmi.c' line='508' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spmi_controller_alloc' mangled-name='spmi_controller_alloc' filepath='drivers/spmi/spmi.c' line='413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_controller_alloc'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/spmi/spmi.c' line='413' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/spmi/spmi.c' line='414' column='1'/>
+ <return type-id='d5cbf711'/>
+ </function-decl>
+ <function-decl name='spmi_controller_remove' mangled-name='spmi_controller_remove' filepath='drivers/spmi/spmi.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_controller_remove'>
+ <parameter type-id='d5cbf711' name='ctrl' filepath='drivers/spmi/spmi.c' line='546' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='spmi_ext_register_read' mangled-name='spmi_ext_register_read' filepath='drivers/spmi/spmi.c' line='161' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_read'>
+ <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='161' column='1'/>
+ <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='161' column='1'/>
+ <parameter type-id='8bff8096' name='buf' filepath='drivers/spmi/spmi.c' line='161' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='162' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spmi_ext_register_readl' mangled-name='spmi_ext_register_readl' filepath='drivers/spmi/spmi.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_readl'>
+ <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='183' column='1'/>
+ <parameter type-id='1dc6a898' name='addr' filepath='drivers/spmi/spmi.c' line='183' column='1'/>
+ <parameter type-id='8bff8096' name='buf' filepath='drivers/spmi/spmi.c' line='183' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spmi_ext_register_write' mangled-name='spmi_ext_register_write' filepath='drivers/spmi/spmi.c' line='238' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_write'>
+ <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='238' column='1'/>
+ <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='238' column='1'/>
+ <parameter type-id='bbaf3419' name='buf' filepath='drivers/spmi/spmi.c' line='238' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='239' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spmi_ext_register_writel' mangled-name='spmi_ext_register_writel' filepath='drivers/spmi/spmi.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_ext_register_writel'>
+ <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='260' column='1'/>
+ <parameter type-id='1dc6a898' name='addr' filepath='drivers/spmi/spmi.c' line='260' column='1'/>
+ <parameter type-id='bbaf3419' name='buf' filepath='drivers/spmi/spmi.c' line='260' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/spmi/spmi.c' line='261' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spmi_register_read' mangled-name='spmi_register_read' filepath='drivers/spmi/spmi.c' line='140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_register_read'>
+ <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='140' column='1'/>
+ <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='140' column='1'/>
+ <parameter type-id='8bff8096' name='buf' filepath='drivers/spmi/spmi.c' line='140' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spmi_register_write' mangled-name='spmi_register_write' filepath='drivers/spmi/spmi.c' line='203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_register_write'>
+ <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='203' column='1'/>
+ <parameter type-id='f9b06939' name='addr' filepath='drivers/spmi/spmi.c' line='203' column='1'/>
+ <parameter type-id='f9b06939' name='data' filepath='drivers/spmi/spmi.c' line='203' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='spmi_register_zero_write' mangled-name='spmi_register_zero_write' filepath='drivers/spmi/spmi.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='spmi_register_zero_write'>
+ <parameter type-id='893447fb' name='sdev' filepath='drivers/spmi/spmi.c' line='221' column='1'/>
+ <parameter type-id='f9b06939' name='data' filepath='drivers/spmi/spmi.c' line='221' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sprint_symbol' mangled-name='sprint_symbol' filepath='kernel/kallsyms.c' line='437' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sprint_symbol'>
+ <parameter type-id='26a90f95' name='buffer' filepath='kernel/kallsyms.c' line='437' column='1'/>
+ <parameter type-id='7359adad' name='address' filepath='kernel/kallsyms.c' line='437' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sprint_symbol_no_offset' mangled-name='sprint_symbol_no_offset' filepath='kernel/kallsyms.c' line='454' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sprint_symbol_no_offset'>
+ <parameter type-id='26a90f95' name='buffer' filepath='kernel/kallsyms.c' line='454' column='1'/>
+ <parameter type-id='7359adad' name='address' filepath='kernel/kallsyms.c' line='454' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sprintf' mangled-name='sprintf' filepath='lib/vsprintf.c' line='2872' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sprintf'>
+ <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2872' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2872' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='srcu_barrier' mangled-name='srcu_barrier' filepath='kernel/rcu/srcutree.c' line='1092' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_barrier'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='1092' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='srcu_batches_completed' mangled-name='srcu_batches_completed' filepath='kernel/rcu/srcutree.c' line='1150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_batches_completed'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='1150' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='srcu_init_notifier_head' mangled-name='srcu_init_notifier_head' filepath='kernel/notifier.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_init_notifier_head'>
+ <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='522' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='srcu_notifier_call_chain' mangled-name='srcu_notifier_call_chain' filepath='kernel/notifier.c' line='497' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_notifier_call_chain'>
+ <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='497' column='1'/>
+ <parameter type-id='7359adad' name='val' filepath='kernel/notifier.c' line='498' column='1'/>
+ <parameter type-id='eaa32e2f' name='v' filepath='kernel/notifier.c' line='498' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='srcu_notifier_chain_register' mangled-name='srcu_notifier_chain_register' filepath='kernel/notifier.c' line='430' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_notifier_chain_register'>
+ <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='430' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='431' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='srcu_notifier_chain_unregister' mangled-name='srcu_notifier_chain_unregister' filepath='kernel/notifier.c' line='460' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_notifier_chain_unregister'>
+ <parameter type-id='b2cb1838' name='nh' filepath='kernel/notifier.c' line='460' column='1'/>
+ <parameter type-id='d504f73d' name='n' filepath='kernel/notifier.c' line='461' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='srcu_torture_stats_print' mangled-name='srcu_torture_stats_print' filepath='kernel/rcu/srcutree.c' line='1325' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcu_torture_stats_print'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='1325' column='1'/>
+ <parameter type-id='26a90f95' name='tt' filepath='kernel/rcu/srcutree.c' line='1325' column='1'/>
+ <parameter type-id='26a90f95' name='tf' filepath='kernel/rcu/srcutree.c' line='1325' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='srcutorture_get_gp_data' mangled-name='srcutorture_get_gp_data' filepath='kernel/rcu/srcutree.c' line='1314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='srcutorture_get_gp_data'>
+ <parameter type-id='f63583e2' name='test_type' filepath='kernel/rcu/srcutree.c' line='1314' column='1'/>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='1315' column='1'/>
+ <parameter type-id='7292109c' name='flags' filepath='kernel/rcu/srcutree.c' line='1315' column='1'/>
+ <parameter type-id='1d2c2b85' name='gp_seq' filepath='kernel/rcu/srcutree.c' line='1316' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sscanf' mangled-name='sscanf' filepath='lib/vsprintf.c' line='3563' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sscanf'>
+ <parameter type-id='80f4b756' name='buf' filepath='lib/vsprintf.c' line='3563' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='3563' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='stack_depot_fetch' mangled-name='stack_depot_fetch' filepath='lib/stackdepot.c' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_depot_fetch'>
+ <parameter type-id='613ae993' name='handle' filepath='lib/stackdepot.c' line='226' column='1'/>
+ <parameter type-id='9b88c47d' name='entries' filepath='lib/stackdepot.c' line='227' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='stack_trace_print' mangled-name='stack_trace_print' filepath='kernel/stacktrace.c' line='23' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_print'>
+ <parameter type-id='f9b37274' name='entries' filepath='kernel/stacktrace.c' line='23' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_entries' filepath='kernel/stacktrace.c' line='23' column='1'/>
+ <parameter type-id='95e97e5e' name='spaces' filepath='kernel/stacktrace.c' line='24' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='stack_trace_save' mangled-name='stack_trace_save' filepath='kernel/stacktrace.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_save'>
+ <parameter type-id='1d2c2b85' name='store' filepath='kernel/stacktrace.c' line='111' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='kernel/stacktrace.c' line='111' column='1'/>
+ <parameter type-id='f0981eeb' name='skipnr' filepath='kernel/stacktrace.c' line='112' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='stack_trace_save_regs' mangled-name='stack_trace_save_regs' filepath='kernel/stacktrace.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_save_regs'>
+ <parameter type-id='4616a179' name='regs' filepath='kernel/stacktrace.c' line='164' column='1'/>
+ <parameter type-id='1d2c2b85' name='store' filepath='kernel/stacktrace.c' line='164' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='kernel/stacktrace.c' line='165' column='1'/>
+ <parameter type-id='f0981eeb' name='skipnr' filepath='kernel/stacktrace.c' line='165' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='stack_trace_save_tsk' mangled-name='stack_trace_save_tsk' filepath='kernel/stacktrace.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stack_trace_save_tsk'>
+ <parameter type-id='f23e2572' name='tsk' filepath='kernel/stacktrace.c' line='135' column='1'/>
+ <parameter type-id='1d2c2b85' name='store' filepath='kernel/stacktrace.c' line='135' column='1'/>
+ <parameter type-id='f0981eeb' name='size' filepath='kernel/stacktrace.c' line='136' column='1'/>
+ <parameter type-id='f0981eeb' name='skipnr' filepath='kernel/stacktrace.c' line='136' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='static_key_disable' mangled-name='static_key_disable' filepath='kernel/jump_label.c' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_disable'>
+ <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='212' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='static_key_disable_cpuslocked' mangled-name='static_key_disable_cpuslocked' filepath='kernel/jump_label.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_disable_cpuslocked'>
+ <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='195' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='static_key_slow_dec' mangled-name='static_key_slow_dec' filepath='kernel/jump_label.c' line='267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_slow_dec'>
+ <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='267' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='static_key_slow_inc' mangled-name='static_key_slow_inc' filepath='kernel/jump_label.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='static_key_slow_inc'>
+ <parameter type-id='f8840c23' name='key' filepath='kernel/jump_label.c' line='156' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='stop_machine' mangled-name='stop_machine' filepath='kernel/stop_machine.c' line='642' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stop_machine'>
+ <parameter type-id='87dfefa3' name='fn' filepath='kernel/stop_machine.c' line='642' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/stop_machine.c' line='642' column='1'/>
+ <parameter type-id='5f8a1ac4' name='cpus' filepath='kernel/stop_machine.c' line='642' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='stop_one_cpu_nowait' mangled-name='stop_one_cpu_nowait' filepath='kernel/stop_machine.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='stop_one_cpu_nowait'>
+ <parameter type-id='f0981eeb' name='cpu' filepath='kernel/stop_machine.c' line='358' column='1'/>
+ <parameter type-id='87dfefa3' name='fn' filepath='kernel/stop_machine.c' line='358' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='kernel/stop_machine.c' line='358' column='1'/>
+ <parameter type-id='cc8decc0' name='work_buf' filepath='kernel/stop_machine.c' line='359' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='store_sampling_rate' mangled-name='store_sampling_rate' filepath='drivers/cpufreq/cpufreq_governor.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='store_sampling_rate'>
+ <parameter type-id='902fed1a' name='attr_set' filepath='drivers/cpufreq/cpufreq_governor.c' line='44' column='1'/>
+ <parameter type-id='80f4b756' name='buf' filepath='drivers/cpufreq/cpufreq_governor.c' line='44' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='drivers/cpufreq/cpufreq_governor.c' line='45' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
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+ <return type-id='26a90f95'/>
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+ <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='306' column='1'/>
+ <return type-id='26a90f95'/>
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+ <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='89' column='1'/>
+ <parameter type-id='80f4b756' name='src' filepath='lib/string.c' line='89' column='1'/>
+ <return type-id='26a90f95'/>
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+ <return type-id='9e19ad6e'/>
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+ <parameter type-id='77e79a4b' name='filp' filepath='fs/open.c' line='1419' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <return type-id='26a90f95'/>
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+ <parameter type-id='5a685f5f' name='units' filepath='lib/string_helpers.c' line='34' column='1'/>
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+ <return type-id='48b5725f'/>
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+ <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='355' column='1'/>
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+ <return type-id='b59d7dce'/>
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+ <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='141' column='1'/>
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+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='strncasecmp' mangled-name='strncasecmp' filepath='lib/string.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strncasecmp'>
+ <parameter type-id='80f4b756' name='s1' filepath='lib/string.c' line='43' column='1'/>
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+ <parameter type-id='b59d7dce' name='len' filepath='lib/string.c' line='43' column='1'/>
+ <return type-id='95e97e5e'/>
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+ <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='329' column='1'/>
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+ <return type-id='26a90f95'/>
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+ <return type-id='26a90f95'/>
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+ <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='114' column='1'/>
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+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='strncpy_from_user' mangled-name='strncpy_from_user' filepath='lib/strncpy_from_user.c' line='113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='strncpy_from_user'>
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+ <parameter type-id='bd54fe1a' name='count' filepath='lib/strncpy_from_user.c' line='113' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
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+ <parameter type-id='bd54fe1a' name='n' filepath='mm/util.c' line='222' column='1'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
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+ <return type-id='26a90f95'/>
+ </function-decl>
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+ <return type-id='26a90f95'/>
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+ <parameter type-id='a84c031d' name='new' filepath='lib/string.c' line='1141' column='1'/>
+ <return type-id='26a90f95'/>
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+ <parameter type-id='26a90f95' name='dest' filepath='lib/string.c' line='180' column='1'/>
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+ <return type-id='79a0948f'/>
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+ <parameter type-id='80f4b756' name='ct' filepath='lib/string.c' line='676' column='1'/>
+ <return type-id='26a90f95'/>
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+ <parameter type-id='80f4b756' name='s' filepath='lib/string.c' line='598' column='1'/>
+ <parameter type-id='80f4b756' name='accept' filepath='lib/string.c' line='598' column='1'/>
+ <return type-id='9e19ad6e'/>
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+ <parameter type-id='80f4b756'/>
+ <parameter type-id='80f4b756'/>
+ <return type-id='26a90f95'/>
+ </function-decl>
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+ <parameter type-id='95e97e5e' name='op_flags' filepath='fs/buffer.c' line='3086' column='1'/>
+ <parameter type-id='c485c22c' name='bh' filepath='fs/buffer.c' line='3086' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='submit_bio' mangled-name='submit_bio' filepath='block/blk-core.c' line='1081' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='submit_bio'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/blk-core.c' line='1081' column='1'/>
+ <return type-id='041bc907'/>
+ </function-decl>
+ <function-decl name='submit_bio_wait' mangled-name='submit_bio_wait' filepath='block/bio.c' line='1157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='submit_bio_wait'>
+ <parameter type-id='fb55efa1' name='bio' filepath='block/bio.c' line='1157' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='subsys_system_register' mangled-name='subsys_system_register' filepath='drivers/base/bus.c' line='1157' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='subsys_system_register'>
+ <parameter type-id='5e2671f8' name='subsys' filepath='drivers/base/bus.c' line='1157' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='drivers/base/bus.c' line='1158' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='suspend_set_ops' mangled-name='suspend_set_ops' filepath='kernel/power/suspend.c' line='205' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='suspend_set_ops'>
+ <parameter type-id='9d109fcf' name='ops' filepath='kernel/power/suspend.c' line='205' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='swiotlb_nr_tbl' mangled-name='swiotlb_nr_tbl' filepath='kernel/dma/swiotlb.c' line='132' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='swiotlb_nr_tbl'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='sync_blockdev' mangled-name='sync_blockdev' filepath='fs/block_dev.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sync_blockdev'>
+ <parameter type-id='b88dd945' name='bdev' filepath='fs/block_dev.c' line='537' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sync_file_create' mangled-name='sync_file_create' filepath='drivers/dma-buf/sync_file.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sync_file_create'>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/dma-buf/sync_file.c' line='64' column='1'/>
+ <return type-id='6a6b0b01'/>
+ </function-decl>
+ <function-decl name='sync_file_get_fence' mangled-name='sync_file_get_fence' filepath='drivers/dma-buf/sync_file.c' line='102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sync_file_get_fence'>
+ <parameter type-id='95e97e5e' name='fd' filepath='drivers/dma-buf/sync_file.c' line='102' column='1'/>
+ <return type-id='28271da3'/>
+ </function-decl>
+ <function-decl name='synchronize_irq' mangled-name='synchronize_irq' filepath='kernel/irq/manage.c' line='127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_irq'>
+ <parameter type-id='f0981eeb' name='irq' filepath='kernel/irq/manage.c' line='127' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synchronize_net' mangled-name='synchronize_net' filepath='net/core/dev.c' line='10714' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_net'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synchronize_rcu' mangled-name='synchronize_rcu' filepath='kernel/rcu/tree.c' line='3666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_rcu'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synchronize_rcu_expedited' mangled-name='synchronize_rcu_expedited' filepath='kernel/rcu/tree_exp.h' line='813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_rcu_expedited'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synchronize_rcu_tasks' mangled-name='synchronize_rcu_tasks' filepath='kernel/rcu/tasks.h' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_rcu_tasks'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synchronize_rcu_tasks_trace' mangled-name='synchronize_rcu_tasks_trace' filepath='kernel/rcu/tasks.h' line='1162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_rcu_tasks_trace'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synchronize_srcu' mangled-name='synchronize_srcu' filepath='kernel/rcu/srcutree.c' line='1009' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_srcu'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='1009' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synchronize_srcu_expedited' mangled-name='synchronize_srcu_expedited' filepath='kernel/rcu/srcutree.c' line='959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synchronize_srcu_expedited'>
+ <parameter type-id='f7d7131a' name='ssp' filepath='kernel/rcu/srcutree.c' line='959' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='synth_event_create' mangled-name='synth_event_create' filepath='kernel/trace/trace_events_synth.c' line='1301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synth_event_create'>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/trace/trace_events_synth.c' line='1301' column='1'/>
+ <parameter type-id='b2647a04' name='fields' filepath='kernel/trace/trace_events_synth.c' line='1301' column='1'/>
+ <parameter type-id='f0981eeb' name='n_fields' filepath='kernel/trace/trace_events_synth.c' line='1302' column='1'/>
+ <parameter type-id='2730d015' name='mod' filepath='kernel/trace/trace_events_synth.c' line='1302' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='synth_event_delete' mangled-name='synth_event_delete' filepath='kernel/trace/trace_events_synth.c' line='1352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='synth_event_delete'>
+ <parameter type-id='80f4b756' name='event_name' filepath='kernel/trace/trace_events_synth.c' line='1352' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='sys_tz' type-id='6751193a' mangled-name='sys_tz' visibility='default' filepath='kernel/time/time.c' line='50' column='1' elf-symbol-id='sys_tz'/>
+ <function-decl name='syscon_node_to_regmap' mangled-name='syscon_node_to_regmap' filepath='drivers/mfd/syscon.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscon_node_to_regmap'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/mfd/syscon.c' line='183' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='syscon_regmap_lookup_by_compatible' mangled-name='syscon_regmap_lookup_by_compatible' filepath='drivers/mfd/syscon.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscon_regmap_lookup_by_compatible'>
+ <parameter type-id='80f4b756' name='s' filepath='drivers/mfd/syscon.c' line='192' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='syscon_regmap_lookup_by_phandle' mangled-name='syscon_regmap_lookup_by_phandle' filepath='drivers/mfd/syscon.c' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscon_regmap_lookup_by_phandle'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/mfd/syscon.c' line='208' column='1'/>
+ <parameter type-id='80f4b756' name='property' filepath='drivers/mfd/syscon.c' line='209' column='1'/>
+ <return type-id='29af9a71'/>
+ </function-decl>
+ <function-decl name='syscore_resume' mangled-name='syscore_resume' filepath='drivers/base/syscore.c' line='94' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscore_resume'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='syscore_suspend' mangled-name='syscore_suspend' filepath='drivers/base/syscore.c' line='48' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='syscore_suspend'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='sysctl_sched_features' type-id='f0981eeb' mangled-name='sysctl_sched_features' visibility='default' filepath='kernel/sched/core.c' line='69' column='1' elf-symbol-id='sysctl_sched_features'/>
+ <var-decl name='sysctl_sched_latency' type-id='f0981eeb' mangled-name='sysctl_sched_latency' visibility='default' filepath='kernel/sched/fair.c' line='42' column='1' elf-symbol-id='sysctl_sched_latency'/>
+ <var-decl name='sysctl_vals' type-id='1fc64662' mangled-name='sysctl_vals' visibility='default' filepath='fs/proc/proc_sysctl.c' line='28' column='1' elf-symbol-id='sysctl_vals'/>
+ <function-decl name='sysfs_add_file_to_group' mangled-name='sysfs_add_file_to_group' filepath='fs/sysfs/file.c' line='358' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_add_file_to_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='358' column='1'/>
+ <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='359' column='1'/>
+ <parameter type-id='80f4b756' name='group' filepath='fs/sysfs/file.c' line='359' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_add_link_to_group' mangled-name='sysfs_add_link_to_group' filepath='fs/sysfs/group.c' line='382' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_add_link_to_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='382' column='1'/>
+ <parameter type-id='80f4b756' name='group_name' filepath='fs/sysfs/group.c' line='382' column='1'/>
+ <parameter type-id='d30bdc51' name='target' filepath='fs/sysfs/group.c' line='383' column='1'/>
+ <parameter type-id='80f4b756' name='link_name' filepath='fs/sysfs/group.c' line='383' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_create_bin_file' mangled-name='sysfs_create_bin_file' filepath='fs/sysfs/file.c' line='537' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_bin_file'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='537' column='1'/>
+ <parameter type-id='559ac6f0' name='attr' filepath='fs/sysfs/file.c' line='538' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_create_file_ns' mangled-name='sysfs_create_file_ns' filepath='fs/sysfs/file.c' line='322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_file_ns'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='322' column='1'/>
+ <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='322' column='1'/>
+ <parameter type-id='eaa32e2f' name='ns' filepath='fs/sysfs/file.c' line='323' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_create_files' mangled-name='sysfs_create_files' filepath='fs/sysfs/file.c' line='338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_files'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='338' column='1'/>
+ <parameter type-id='cb460785' name='ptr' filepath='fs/sysfs/file.c' line='338' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_create_group' mangled-name='sysfs_create_group' filepath='fs/sysfs/group.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='172' column='1'/>
+ <parameter type-id='8ff9530e' name='grp' filepath='fs/sysfs/group.c' line='173' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_create_groups' mangled-name='sysfs_create_groups' filepath='fs/sysfs/group.c' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_groups'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='212' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='fs/sysfs/group.c' line='213' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_create_link' mangled-name='sysfs_create_link' filepath='fs/sysfs/symlink.c' line='89' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_create_link'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/symlink.c' line='89' column='1'/>
+ <parameter type-id='d30bdc51' name='target' filepath='fs/sysfs/symlink.c' line='89' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/sysfs/symlink.c' line='90' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_emit' mangled-name='sysfs_emit' filepath='fs/sysfs/file.c' line='721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_emit'>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/sysfs/file.c' line='721' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='fs/sysfs/file.c' line='721' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_emit_at' mangled-name='sysfs_emit_at' filepath='fs/sysfs/file.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_emit_at'>
+ <parameter type-id='26a90f95' name='buf' filepath='fs/sysfs/file.c' line='749' column='1'/>
+ <parameter type-id='95e97e5e' name='at' filepath='fs/sysfs/file.c' line='749' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='fs/sysfs/file.c' line='749' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_merge_group' mangled-name='sysfs_merge_group' filepath='fs/sysfs/group.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_merge_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='326' column='1'/>
+ <parameter type-id='8ff9530e' name='grp' filepath='fs/sysfs/group.c' line='327' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysfs_notify' mangled-name='sysfs_notify' filepath='fs/sysfs/file.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_notify'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='173' column='1'/>
+ <parameter type-id='80f4b756' name='dir' filepath='fs/sysfs/file.c' line='173' column='1'/>
+ <parameter type-id='80f4b756' name='attr' filepath='fs/sysfs/file.c' line='173' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_bin_file' mangled-name='sysfs_remove_bin_file' filepath='fs/sysfs/file.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_bin_file'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='557' column='1'/>
+ <parameter type-id='559ac6f0' name='attr' filepath='fs/sysfs/file.c' line='558' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_file_from_group' mangled-name='sysfs_remove_file_from_group' filepath='fs/sysfs/file.c' line='513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_file_from_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='513' column='1'/>
+ <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='514' column='1'/>
+ <parameter type-id='80f4b756' name='group' filepath='fs/sysfs/file.c' line='514' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_file_ns' mangled-name='sysfs_remove_file_ns' filepath='fs/sysfs/file.c' line='465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_file_ns'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='465' column='1'/>
+ <parameter type-id='cfe4f8a2' name='attr' filepath='fs/sysfs/file.c' line='465' column='1'/>
+ <parameter type-id='eaa32e2f' name='ns' filepath='fs/sysfs/file.c' line='466' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_files' mangled-name='sysfs_remove_files' filepath='fs/sysfs/file.c' line='498' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_files'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/file.c' line='498' column='1'/>
+ <parameter type-id='cb460785' name='ptr' filepath='fs/sysfs/file.c' line='498' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_group' mangled-name='sysfs_remove_group' filepath='fs/sysfs/group.c' line='270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='270' column='1'/>
+ <parameter type-id='8ff9530e' name='grp' filepath='fs/sysfs/group.c' line='271' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_groups' mangled-name='sysfs_remove_groups' filepath='fs/sysfs/group.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_groups'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='305' column='1'/>
+ <parameter type-id='c97de1ac' name='groups' filepath='fs/sysfs/group.c' line='306' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_link' mangled-name='sysfs_remove_link' filepath='fs/sysfs/symlink.c' line='143' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_link'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/symlink.c' line='143' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='fs/sysfs/symlink.c' line='143' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_remove_link_from_group' mangled-name='sysfs_remove_link_from_group' filepath='fs/sysfs/group.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_remove_link_from_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='405' column='1'/>
+ <parameter type-id='80f4b756' name='group_name' filepath='fs/sysfs/group.c' line='405' column='1'/>
+ <parameter type-id='80f4b756' name='link_name' filepath='fs/sysfs/group.c' line='406' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='sysfs_streq' mangled-name='sysfs_streq' filepath='lib/string.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_streq'>
+ <parameter type-id='80f4b756' name='s1' filepath='lib/string.c' line='703' column='1'/>
+ <parameter type-id='80f4b756' name='s2' filepath='lib/string.c' line='703' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='sysfs_update_group' mangled-name='sysfs_update_group' filepath='fs/sysfs/group.c' line='255' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysfs_update_group'>
+ <parameter type-id='d30bdc51' name='kobj' filepath='fs/sysfs/group.c' line='255' column='1'/>
+ <parameter type-id='8ff9530e' name='grp' filepath='fs/sysfs/group.c' line='256' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='sysrq_mask' mangled-name='sysrq_mask' filepath='drivers/tty/sysrq.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='sysrq_mask'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='system_freezable_power_efficient_wq' type-id='242e3d19' mangled-name='system_freezable_power_efficient_wq' visibility='default' filepath='kernel/workqueue.c' line='360' column='1' elf-symbol-id='system_freezable_power_efficient_wq'/>
+ <var-decl name='system_freezable_wq' type-id='242e3d19' mangled-name='system_freezable_wq' visibility='default' filepath='kernel/workqueue.c' line='356' column='1' elf-symbol-id='system_freezable_wq'/>
+ <var-decl name='system_freezing_cnt' type-id='49178f86' mangled-name='system_freezing_cnt' visibility='default' filepath='kernel/freezer.c' line='20' column='1' elf-symbol-id='system_freezing_cnt'/>
+ <var-decl name='system_highpri_wq' type-id='242e3d19' mangled-name='system_highpri_wq' visibility='default' filepath='kernel/workqueue.c' line='350' column='1' elf-symbol-id='system_highpri_wq'/>
+ <var-decl name='system_long_wq' type-id='242e3d19' mangled-name='system_long_wq' visibility='default' filepath='kernel/workqueue.c' line='352' column='1' elf-symbol-id='system_long_wq'/>
+ <var-decl name='system_power_efficient_wq' type-id='242e3d19' mangled-name='system_power_efficient_wq' visibility='default' filepath='kernel/workqueue.c' line='358' column='1' elf-symbol-id='system_power_efficient_wq'/>
+ <var-decl name='system_state' type-id='2ead22b4' mangled-name='system_state' visibility='default' filepath='init/main.c' line='129' column='1' elf-symbol-id='system_state'/>
+ <var-decl name='system_unbound_wq' type-id='242e3d19' mangled-name='system_unbound_wq' visibility='default' filepath='kernel/workqueue.c' line='354' column='1' elf-symbol-id='system_unbound_wq'/>
+ <var-decl name='system_wq' type-id='242e3d19' mangled-name='system_wq' visibility='default' filepath='kernel/workqueue.c' line='348' column='1' elf-symbol-id='system_wq'/>
+ <function-decl name='task_active_pid_ns' mangled-name='task_active_pid_ns' filepath='kernel/pid.c' line='508' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='task_active_pid_ns'>
+ <parameter type-id='f23e2572' name='tsk' filepath='kernel/pid.c' line='508' column='1'/>
+ <return type-id='b816e1d0'/>
+ </function-decl>
+ <var-decl name='task_groups' type-id='72f469ec' mangled-name='task_groups' visibility='default' filepath='kernel/sched/core.c' line='7421' column='1' elf-symbol-id='task_groups'/>
+ <function-decl name='task_may_not_preempt' mangled-name='task_may_not_preempt' filepath='kernel/sched/rt.c' line='1472' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='task_may_not_preempt'>
+ <parameter type-id='f23e2572' name='task' filepath='kernel/sched/rt.c' line='1472' column='1'/>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/rt.c' line='1472' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='task_rq_lock' mangled-name='task_rq_lock' filepath='kernel/sched/core.c' line='218' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='task_rq_lock'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='218' column='1'/>
+ <parameter type-id='d0163a5e' name='rf' filepath='kernel/sched/core.c' line='218' column='1'/>
+ <return type-id='6ed6b432'/>
+ </function-decl>
+ <function-decl name='task_sched_runtime' mangled-name='task_sched_runtime' filepath='kernel/sched/core.c' line='4186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='task_sched_runtime'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='4186' column='1'/>
+ <return type-id='3a47d82b'/>
+ </function-decl>
+ <function-decl name='tasklet_init' mangled-name='tasklet_init' filepath='kernel/softirq.c' line='612' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tasklet_init'>
+ <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='612' column='1'/>
+ <parameter type-id='08b16374' name='func' filepath='kernel/softirq.c' line='613' column='1'/>
+ <parameter type-id='7359adad' name='data' filepath='kernel/softirq.c' line='613' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tasklet_kill' mangled-name='tasklet_kill' filepath='kernel/softirq.c' line='624' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tasklet_kill'>
+ <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='624' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tasklet_setup' mangled-name='tasklet_setup' filepath='kernel/softirq.c' line='600' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tasklet_setup'>
+ <parameter type-id='59f1923f' name='t' filepath='kernel/softirq.c' line='600' column='1'/>
+ <parameter type-id='02da239e' name='callback' filepath='kernel/softirq.c' line='601' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='tasklist_lock' type-id='ac16795b' mangled-name='tasklist_lock' visibility='default' filepath='kernel/fork.c' line='145' column='1' elf-symbol-id='tasklist_lock'/>
+ <function-decl name='tcp_parse_options' mangled-name='tcp_parse_options' filepath='net/ipv4/tcp_input.c' line='3956' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_parse_options'>
+ <parameter type-id='f91cf277' name='net' filepath='net/ipv4/tcp_input.c' line='3956' column='1'/>
+ <parameter type-id='11f4a000' name='skb' filepath='net/ipv4/tcp_input.c' line='3957' column='1'/>
+ <parameter type-id='61b9151d' name='opt_rx' filepath='net/ipv4/tcp_input.c' line='3958' column='1'/>
+ <parameter type-id='95e97e5e' name='estab' filepath='net/ipv4/tcp_input.c' line='3958' column='1'/>
+ <parameter type-id='f3a16a60' name='foc' filepath='net/ipv4/tcp_input.c' line='3959' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcp_register_congestion_control' mangled-name='tcp_register_congestion_control' filepath='net/ipv4/tcp_cong.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_register_congestion_control'>
+ <parameter type-id='58c93391' name='ca' filepath='net/ipv4/tcp_cong.c' line='70' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tcp_reno_cong_avoid' mangled-name='tcp_reno_cong_avoid' filepath='net/ipv4/tcp_cong.c' line='436' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_reno_cong_avoid'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/tcp_cong.c' line='436' column='1'/>
+ <parameter type-id='19c2251e' name='ack' filepath='net/ipv4/tcp_cong.c' line='436' column='1'/>
+ <parameter type-id='19c2251e' name='acked' filepath='net/ipv4/tcp_cong.c' line='436' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcp_reno_ssthresh' mangled-name='tcp_reno_ssthresh' filepath='net/ipv4/tcp_cong.c' line='455' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_reno_ssthresh'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/tcp_cong.c' line='455' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='tcp_reno_undo_cwnd' mangled-name='tcp_reno_undo_cwnd' filepath='net/ipv4/tcp_cong.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_reno_undo_cwnd'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/ipv4/tcp_cong.c' line='463' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='tcp_slow_start' mangled-name='tcp_slow_start' filepath='net/ipv4/tcp_cong.c' line='396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_slow_start'>
+ <parameter type-id='de885ea5' name='tp' filepath='net/ipv4/tcp_cong.c' line='396' column='1'/>
+ <parameter type-id='19c2251e' name='acked' filepath='net/ipv4/tcp_cong.c' line='396' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='tcp_unregister_congestion_control' mangled-name='tcp_unregister_congestion_control' filepath='net/ipv4/tcp_cong.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcp_unregister_congestion_control'>
+ <parameter type-id='58c93391' name='ca' filepath='net/ipv4/tcp_cong.c' line='104' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpci_get_tcpm_port' mangled-name='tcpci_get_tcpm_port' filepath='drivers/usb/typec/tcpm/tcpci.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_get_tcpm_port'>
+ <parameter type-id='eefe253e' name='tcpci' filepath='drivers/usb/typec/tcpm/tcpci.c' line='64' column='1'/>
+ <return type-id='426e425b'/>
+ </function-decl>
+ <function-decl name='tcpci_irq' mangled-name='tcpci_irq' filepath='drivers/usb/typec/tcpm/tcpci.c' line='661' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_irq'>
+ <parameter type-id='eefe253e' name='tcpci' filepath='drivers/usb/typec/tcpm/tcpci.c' line='661' column='1'/>
+ <return type-id='4bdecfd7'/>
+ </function-decl>
+ <function-decl name='tcpci_register_port' mangled-name='tcpci_register_port' filepath='drivers/usb/typec/tcpm/tcpci.c' line='773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_register_port'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/typec/tcpm/tcpci.c' line='773' column='1'/>
+ <parameter type-id='b6733265' name='data' filepath='drivers/usb/typec/tcpm/tcpci.c' line='773' column='1'/>
+ <return type-id='eefe253e'/>
+ </function-decl>
+ <function-decl name='tcpci_unregister_port' mangled-name='tcpci_unregister_port' filepath='drivers/usb/typec/tcpm/tcpci.c' line='828' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpci_unregister_port'>
+ <parameter type-id='eefe253e' name='tcpci' filepath='drivers/usb/typec/tcpm/tcpci.c' line='828' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_cc_change' mangled-name='tcpm_cc_change' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5456' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_cc_change'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5456' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_is_toggling' mangled-name='tcpm_is_toggling' filepath='drivers/usb/typec/tcpm/tcpm.c' line='3815' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_is_toggling'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='3815' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='tcpm_pd_hard_reset' mangled-name='tcpm_pd_hard_reset' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5474' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_pd_hard_reset'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5474' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_pd_receive' mangled-name='tcpm_pd_receive' filepath='drivers/usb/typec/tcpm/tcpm.c' line='2937' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_pd_receive'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='2937' column='1'/>
+ <parameter type-id='d7f1fb72' name='msg' filepath='drivers/usb/typec/tcpm/tcpm.c' line='2937' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_pd_transmit_complete' mangled-name='tcpm_pd_transmit_complete' filepath='drivers/usb/typec/tcpm/tcpm.c' line='919' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_pd_transmit_complete'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='919' column='1'/>
+ <parameter type-id='a2f9e316' name='status' filepath='drivers/usb/typec/tcpm/tcpm.c' line='920' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_register_port' mangled-name='tcpm_register_port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6441' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_register_port'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6441' column='1'/>
+ <parameter type-id='15b1f129' name='tcpc' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6441' column='1'/>
+ <return type-id='426e425b'/>
+ </function-decl>
+ <function-decl name='tcpm_sink_frs' mangled-name='tcpm_sink_frs' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_sink_frs'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5483' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_sourcing_vbus' mangled-name='tcpm_sourcing_vbus' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5492' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_sourcing_vbus'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5492' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_unregister_port' mangled-name='tcpm_unregister_port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6538' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_unregister_port'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6538' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tcpm_update_sink_capabilities' mangled-name='tcpm_update_sink_capabilities' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_update_sink_capabilities'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6144' column='1'/>
+ <parameter type-id='aded214c' name='pdo' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6144' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_pdo' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6144' column='1'/>
+ <parameter type-id='f0981eeb' name='operating_snk_mw' filepath='drivers/usb/typec/tcpm/tcpm.c' line='6145' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tcpm_vbus_change' mangled-name='tcpm_vbus_change' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5465' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tcpm_vbus_change'>
+ <parameter type-id='426e425b' name='port' filepath='drivers/usb/typec/tcpm/tcpm.c' line='5465' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='thermal_cdev_update' mangled-name='thermal_cdev_update' filepath='drivers/thermal/thermal_helpers.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_cdev_update'>
+ <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/thermal_helpers.c' line='188' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='thermal_cooling_device_register' mangled-name='thermal_cooling_device_register' filepath='drivers/thermal/thermal_core.c' line='1167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_cooling_device_register'>
+ <parameter type-id='80f4b756' name='type' filepath='drivers/thermal/thermal_core.c' line='1167' column='1'/>
+ <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1167' column='1'/>
+ <parameter type-id='6f4dc085' name='ops' filepath='drivers/thermal/thermal_core.c' line='1168' column='1'/>
+ <return type-id='2feec21f'/>
+ </function-decl>
+ <function-decl name='thermal_cooling_device_unregister' mangled-name='thermal_cooling_device_unregister' filepath='drivers/thermal/thermal_core.c' line='1264' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_cooling_device_unregister'>
+ <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/thermal_core.c' line='1264' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='thermal_of_cooling_device_register' mangled-name='thermal_of_cooling_device_register' filepath='drivers/thermal/thermal_core.c' line='1190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_of_cooling_device_register'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/thermal/thermal_core.c' line='1190' column='1'/>
+ <parameter type-id='80f4b756' name='type' filepath='drivers/thermal/thermal_core.c' line='1191' column='1'/>
+ <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1191' column='1'/>
+ <parameter type-id='6f4dc085' name='ops' filepath='drivers/thermal/thermal_core.c' line='1192' column='1'/>
+ <return type-id='2feec21f'/>
+ </function-decl>
+ <var-decl name='thermal_pressure' type-id='7359adad' mangled-name='thermal_pressure' visibility='default' filepath='drivers/base/arch_topology.c' line='71' column='1' elf-symbol-id='thermal_pressure'/>
+ <function-decl name='thermal_zone_bind_cooling_device' mangled-name='thermal_zone_bind_cooling_device' filepath='drivers/thermal/thermal_core.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_bind_cooling_device'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='824' column='1'/>
+ <parameter type-id='95e97e5e' name='trip' filepath='drivers/thermal/thermal_core.c' line='825' column='1'/>
+ <parameter type-id='2feec21f' name='cdev' filepath='drivers/thermal/thermal_core.c' line='826' column='1'/>
+ <parameter type-id='7359adad' name='upper' filepath='drivers/thermal/thermal_core.c' line='827' column='1'/>
+ <parameter type-id='7359adad' name='lower' filepath='drivers/thermal/thermal_core.c' line='827' column='1'/>
+ <parameter type-id='f0981eeb' name='weight' filepath='drivers/thermal/thermal_core.c' line='828' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='thermal_zone_device_disable' mangled-name='thermal_zone_device_disable' filepath='drivers/thermal/thermal_core.c' line='529' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_disable'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='529' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='thermal_zone_device_enable' mangled-name='thermal_zone_device_enable' filepath='drivers/thermal/thermal_core.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_enable'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='523' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='thermal_zone_device_is_enabled' mangled-name='thermal_zone_device_is_enabled' filepath='drivers/thermal/thermal_core.c' line='535' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_is_enabled'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='535' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='thermal_zone_device_register' mangled-name='thermal_zone_device_register' filepath='drivers/thermal/thermal_core.c' line='1378' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_register'>
+ <parameter type-id='80f4b756' name='type' filepath='drivers/thermal/thermal_core.c' line='1378' column='1'/>
+ <parameter type-id='95e97e5e' name='trips' filepath='drivers/thermal/thermal_core.c' line='1378' column='1'/>
+ <parameter type-id='95e97e5e' name='mask' filepath='drivers/thermal/thermal_core.c' line='1378' column='1'/>
+ <parameter type-id='eaa32e2f' name='devdata' filepath='drivers/thermal/thermal_core.c' line='1379' column='1'/>
+ <parameter type-id='1e6fe389' name='ops' filepath='drivers/thermal/thermal_core.c' line='1379' column='1'/>
+ <parameter type-id='e2cbf964' name='tzp' filepath='drivers/thermal/thermal_core.c' line='1380' column='1'/>
+ <parameter type-id='95e97e5e' name='passive_delay' filepath='drivers/thermal/thermal_core.c' line='1380' column='1'/>
+ <parameter type-id='95e97e5e' name='polling_delay' filepath='drivers/thermal/thermal_core.c' line='1381' column='1'/>
+ <return type-id='404b1300'/>
+ </function-decl>
+ <function-decl name='thermal_zone_device_unregister' mangled-name='thermal_zone_device_unregister' filepath='drivers/thermal/thermal_core.c' line='1519' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_unregister'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='1519' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='thermal_zone_device_update' mangled-name='thermal_zone_device_update' filepath='drivers/thermal/thermal_core.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_device_update'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_core.c' line='549' column='1'/>
+ <parameter type-id='b5808f5e' name='event' filepath='drivers/thermal/thermal_core.c' line='550' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='thermal_zone_get_slope' mangled-name='thermal_zone_get_slope' filepath='drivers/thermal/thermal_helpers.c' line='226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_get_slope'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_helpers.c' line='226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='thermal_zone_get_temp' mangled-name='thermal_zone_get_temp' filepath='drivers/thermal/thermal_helpers.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_get_temp'>
+ <parameter type-id='404b1300' name='tz' filepath='drivers/thermal/thermal_helpers.c' line='78' column='1'/>
+ <parameter type-id='7292109c' name='temp' filepath='drivers/thermal/thermal_helpers.c' line='78' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='thermal_zone_get_zone_by_name' mangled-name='thermal_zone_get_zone_by_name' filepath='drivers/thermal/thermal_core.c' line='1587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_get_zone_by_name'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/thermal/thermal_core.c' line='1587' column='1'/>
+ <return type-id='404b1300'/>
+ </function-decl>
+ <function-decl name='thermal_zone_of_sensor_register' mangled-name='thermal_zone_of_sensor_register' filepath='drivers/thermal/thermal_of.c' line='493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_of_sensor_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='493' column='1'/>
+ <parameter type-id='95e97e5e' name='sensor_id' filepath='drivers/thermal/thermal_of.c' line='493' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/thermal/thermal_of.c' line='493' column='1'/>
+ <parameter type-id='83036d6c' name='ops' filepath='drivers/thermal/thermal_of.c' line='494' column='1'/>
+ <return type-id='404b1300'/>
+ </function-decl>
+ <function-decl name='thermal_zone_of_sensor_unregister' mangled-name='thermal_zone_of_sensor_unregister' filepath='drivers/thermal/thermal_of.c' line='551' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thermal_zone_of_sensor_unregister'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/thermal/thermal_of.c' line='551' column='1'/>
+ <parameter type-id='404b1300' name='tzd' filepath='drivers/thermal/thermal_of.c' line='552' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='thread_group_cputime_adjusted' mangled-name='thread_group_cputime_adjusted' filepath='kernel/sched/cputime.c' line='639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='thread_group_cputime_adjusted'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/cputime.c' line='639' column='1'/>
+ <parameter type-id='3df9fd28' name='ut' filepath='kernel/sched/cputime.c' line='639' column='1'/>
+ <parameter type-id='3df9fd28' name='st' filepath='kernel/sched/cputime.c' line='639' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tick_nohz_get_idle_calls_cpu' mangled-name='tick_nohz_get_idle_calls_cpu' filepath='kernel/time/tick-sched.c' line='1124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tick_nohz_get_idle_calls_cpu'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/time/tick-sched.c' line='1124' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='tick_nohz_get_sleep_length' mangled-name='tick_nohz_get_sleep_length' filepath='kernel/time/tick-sched.c' line='1084' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tick_nohz_get_sleep_length'>
+ <parameter type-id='44372936' name='delta_next' filepath='kernel/time/tick-sched.c' line='1084' column='1'/>
+ <return type-id='fbc017ef'/>
+ </function-decl>
+ <function-decl name='time64_to_tm' mangled-name='time64_to_tm' filepath='kernel/time/timeconv.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='time64_to_tm'>
+ <parameter type-id='1afd27ac' name='totalsecs' filepath='kernel/time/timeconv.c' line='78' column='1'/>
+ <parameter type-id='95e97e5e' name='offset' filepath='kernel/time/timeconv.c' line='78' column='1'/>
+ <parameter type-id='d915a820' name='result' filepath='kernel/time/timeconv.c' line='78' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='timecounter_cyc2time' mangled-name='timecounter_cyc2time' filepath='kernel/time/timecounter.c' line='79' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timecounter_cyc2time'>
+ <parameter type-id='b548a676' name='tc' filepath='kernel/time/timecounter.c' line='79' column='1'/>
+ <parameter type-id='91ce1af9' name='cycle_tstamp' filepath='kernel/time/timecounter.c' line='80' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='timecounter_init' mangled-name='timecounter_init' filepath='kernel/time/timecounter.c' line='8' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timecounter_init'>
+ <parameter type-id='b548a676' name='tc' filepath='kernel/time/timecounter.c' line='8' column='1'/>
+ <parameter type-id='51a502f8' name='cc' filepath='kernel/time/timecounter.c' line='9' column='1'/>
+ <parameter type-id='91ce1af9' name='start_tstamp' filepath='kernel/time/timecounter.c' line='10' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='timecounter_read' mangled-name='timecounter_read' filepath='kernel/time/timecounter.c' line='52' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timecounter_read'>
+ <parameter type-id='b548a676' name='tc' filepath='kernel/time/timecounter.c' line='52' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='timer_of_init' mangled-name='timer_of_init' filepath='drivers/clocksource/timer-of.c' line='168' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timer_of_init'>
+ <parameter type-id='9a537bbe' name='np' filepath='drivers/clocksource/timer-of.c' line='168' column='1'/>
+ <parameter type-id='b2168730' name='to' filepath='drivers/clocksource/timer-of.c' line='168' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='timer_reduce' mangled-name='timer_reduce' filepath='kernel/time/timer.c' line='1127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timer_reduce'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1127' column='1'/>
+ <parameter type-id='7359adad' name='expires' filepath='kernel/time/timer.c' line='1127' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='timer_unstable_counter_workaround' type-id='aa357a64' mangled-name='timer_unstable_counter_workaround' visibility='default' filepath='drivers/clocksource/arm_arch_timer.c' line='383' column='1' elf-symbol-id='timer_unstable_counter_workaround'/>
+ <function-decl name='timespec64_to_jiffies' mangled-name='timespec64_to_jiffies' filepath='kernel/time/time.c' line='588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='timespec64_to_jiffies'>
+ <parameter type-id='0817f042' name='value' filepath='kernel/time/time.c' line='588' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='topology_set_thermal_pressure' mangled-name='topology_set_thermal_pressure' filepath='drivers/base/arch_topology.c' line='74' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='topology_set_thermal_pressure'>
+ <parameter type-id='5f8a1ac4' name='cpus' filepath='drivers/base/arch_topology.c' line='74' column='1'/>
+ <parameter type-id='7359adad' name='th_pressure' filepath='drivers/base/arch_topology.c' line='75' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='total_swapcache_pages' mangled-name='total_swapcache_pages' filepath='mm/swap_state.c' line='71' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='total_swapcache_pages'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='touchscreen_parse_properties' mangled-name='touchscreen_parse_properties' filepath='drivers/input/touchscreen/of_touchscreen.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='touchscreen_parse_properties'>
+ <parameter type-id='74b427eb' name='input' filepath='drivers/input/touchscreen/of_touchscreen.c' line='64' column='1'/>
+ <parameter type-id='b50a4934' name='multitouch' filepath='drivers/input/touchscreen/of_touchscreen.c' line='64' column='1'/>
+ <parameter type-id='dddca5ae' name='prop' filepath='drivers/input/touchscreen/of_touchscreen.c' line='65' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='touchscreen_report_pos' mangled-name='touchscreen_report_pos' filepath='drivers/input/touchscreen/of_touchscreen.c' line='194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='touchscreen_report_pos'>
+ <parameter type-id='74b427eb' name='input' filepath='drivers/input/touchscreen/of_touchscreen.c' line='194' column='1'/>
+ <parameter type-id='587448dd' name='prop' filepath='drivers/input/touchscreen/of_touchscreen.c' line='195' column='1'/>
+ <parameter type-id='f0981eeb' name='x' filepath='drivers/input/touchscreen/of_touchscreen.c' line='196' column='1'/>
+ <parameter type-id='f0981eeb' name='y' filepath='drivers/input/touchscreen/of_touchscreen.c' line='196' column='1'/>
+ <parameter type-id='b50a4934' name='multitouch' filepath='drivers/input/touchscreen/of_touchscreen.c' line='197' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='trace_array_get_by_name' mangled-name='trace_array_get_by_name' filepath='kernel/trace/trace.c' line='8801' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_array_get_by_name'>
+ <parameter type-id='80f4b756' name='name' filepath='kernel/trace/trace.c' line='8801' column='1'/>
+ <return type-id='898c1076'/>
+ </function-decl>
+ <function-decl name='trace_array_put' mangled-name='trace_array_put' filepath='kernel/trace/trace.c' line='464' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_array_put'>
+ <parameter type-id='898c1076' name='this_tr' filepath='kernel/trace/trace.c' line='464' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='trace_array_set_clr_event' mangled-name='trace_array_set_clr_event' filepath='kernel/trace/trace_events.c' line='915' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_array_set_clr_event'>
+ <parameter type-id='898c1076' name='tr' filepath='kernel/trace/trace_events.c' line='915' column='1'/>
+ <parameter type-id='80f4b756' name='system' filepath='kernel/trace/trace_events.c' line='915' column='1'/>
+ <parameter type-id='80f4b756' name='event' filepath='kernel/trace/trace_events.c' line='916' column='1'/>
+ <parameter type-id='b50a4934' name='enable' filepath='kernel/trace/trace_events.c' line='916' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='trace_clock_local' mangled-name='trace_clock_local' filepath='kernel/trace/trace_clock.c' line='32' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_clock_local'>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='trace_event_buffer_commit' mangled-name='trace_event_buffer_commit' filepath='kernel/trace/trace.c' line='2853' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_buffer_commit'>
+ <parameter type-id='9f548f9a' name='fbuffer' filepath='kernel/trace/trace.c' line='2853' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='trace_event_buffer_reserve' mangled-name='trace_event_buffer_reserve' filepath='kernel/trace/trace_events.c' line='251' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_buffer_reserve'>
+ <parameter type-id='9f548f9a' name='fbuffer' filepath='kernel/trace/trace_events.c' line='251' column='1'/>
+ <parameter type-id='3d4ca6d2' name='trace_file' filepath='kernel/trace/trace_events.c' line='252' column='1'/>
+ <parameter type-id='7359adad' name='len' filepath='kernel/trace/trace_events.c' line='253' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='trace_event_ignore_this_pid' mangled-name='trace_event_ignore_this_pid' filepath='kernel/trace/trace_events.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_ignore_this_pid'>
+ <parameter type-id='3d4ca6d2' name='trace_file' filepath='kernel/trace/trace_events.c' line='232' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='trace_event_raw_init' mangled-name='trace_event_raw_init' filepath='kernel/trace/trace_events.c' line='220' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_raw_init'>
+ <parameter type-id='23d6768c' name='call' filepath='kernel/trace/trace_events.c' line='220' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='trace_event_reg' mangled-name='trace_event_reg' filepath='kernel/trace/trace_events.c' line='286' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_event_reg'>
+ <parameter type-id='23d6768c' name='call' filepath='kernel/trace/trace_events.c' line='286' column='1'/>
+ <parameter type-id='7fa6eeb8' name='type' filepath='kernel/trace/trace_events.c' line='287' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/trace/trace_events.c' line='287' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='trace_get_event_file' mangled-name='trace_get_event_file' filepath='kernel/trace/trace_events.c' line='2756' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_get_event_file'>
+ <parameter type-id='80f4b756' name='instance' filepath='kernel/trace/trace_events.c' line='2756' column='1'/>
+ <parameter type-id='80f4b756' name='system' filepath='kernel/trace/trace_events.c' line='2757' column='1'/>
+ <parameter type-id='80f4b756' name='event' filepath='kernel/trace/trace_events.c' line='2758' column='1'/>
+ <return type-id='3d4ca6d2'/>
+ </function-decl>
+ <function-decl name='trace_handle_return' mangled-name='trace_handle_return' filepath='kernel/trace/trace.c' line='2589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_handle_return'>
+ <parameter type-id='fc932690' name='s' filepath='kernel/trace/trace.c' line='2589' column='1'/>
+ <return type-id='b1a0a119'/>
+ </function-decl>
+ <function-decl name='trace_output_call' mangled-name='trace_output_call' filepath='kernel/trace/trace_output.c' line='326' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_output_call'>
+ <parameter type-id='18881289' name='iter' filepath='kernel/trace/trace_output.c' line='326' column='1'/>
+ <parameter type-id='26a90f95' name='name' filepath='kernel/trace/trace_output.c' line='326' column='1'/>
+ <parameter type-id='26a90f95' name='fmt' filepath='kernel/trace/trace_output.c' line='326' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='trace_print_array_seq' mangled-name='trace_print_array_seq' filepath='kernel/trace/trace_output.c' line='233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_array_seq'>
+ <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='233' column='1'/>
+ <parameter type-id='eaa32e2f' name='buf' filepath='kernel/trace/trace_output.c' line='233' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='kernel/trace/trace_output.c' line='233' column='1'/>
+ <parameter type-id='b59d7dce' name='el_size' filepath='kernel/trace/trace_output.c' line='234' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='trace_print_bitmask_seq' mangled-name='trace_print_bitmask_seq' filepath='kernel/trace/trace_output.c' line='193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_bitmask_seq'>
+ <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='193' column='1'/>
+ <parameter type-id='eaa32e2f' name='bitmask_ptr' filepath='kernel/trace/trace_output.c' line='193' column='1'/>
+ <parameter type-id='f0981eeb' name='bitmask_size' filepath='kernel/trace/trace_output.c' line='194' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='trace_print_flags_seq' mangled-name='trace_print_flags_seq' filepath='kernel/trace/trace_output.c' line='65' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_flags_seq'>
+ <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='65' column='1'/>
+ <parameter type-id='80f4b756' name='delim' filepath='kernel/trace/trace_output.c' line='65' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='kernel/trace/trace_output.c' line='66' column='1'/>
+ <parameter type-id='49526a0d' name='flag_array' filepath='kernel/trace/trace_output.c' line='67' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='trace_print_hex_seq' mangled-name='trace_print_hex_seq' filepath='kernel/trace/trace_output.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_hex_seq'>
+ <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='217' column='1'/>
+ <parameter type-id='354f7eb9' name='buf' filepath='kernel/trace/trace_output.c' line='217' column='1'/>
+ <parameter type-id='95e97e5e' name='buf_len' filepath='kernel/trace/trace_output.c' line='217' column='1'/>
+ <parameter type-id='b50a4934' name='concatenate' filepath='kernel/trace/trace_output.c' line='218' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='trace_print_symbols_seq' mangled-name='trace_print_symbols_seq' filepath='kernel/trace/trace_output.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_print_symbols_seq'>
+ <parameter type-id='fc932690' name='p' filepath='kernel/trace/trace_output.c' line='103' column='1'/>
+ <parameter type-id='7359adad' name='val' filepath='kernel/trace/trace_output.c' line='103' column='1'/>
+ <parameter type-id='49526a0d' name='symbol_array' filepath='kernel/trace/trace_output.c' line='104' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='trace_raw_output_prep' mangled-name='trace_raw_output_prep' filepath='kernel/trace/trace_output.c' line='292' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_raw_output_prep'>
+ <parameter type-id='18881289' name='iter' filepath='kernel/trace/trace_output.c' line='292' column='1'/>
+ <parameter type-id='fb7d87a1' name='trace_event' filepath='kernel/trace/trace_output.c' line='293' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='trace_seq_printf' mangled-name='trace_seq_printf' filepath='kernel/trace/trace_seq.c' line='81' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_seq_printf'>
+ <parameter type-id='fc932690' name='s' filepath='kernel/trace/trace_seq.c' line='81' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/trace/trace_seq.c' line='81' column='1'/>
+ <parameter is-variadic='yes'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='trace_seq_putc' mangled-name='trace_seq_putc' filepath='kernel/trace/trace_seq.c' line='233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_seq_putc'>
+ <parameter type-id='fc932690' name='s' filepath='kernel/trace/trace_seq.c' line='233' column='1'/>
+ <parameter type-id='002ac4a6' name='c' filepath='kernel/trace/trace_seq.c' line='233' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='trace_set_clr_event' mangled-name='trace_set_clr_event' filepath='kernel/trace/trace_events.c' line='891' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='trace_set_clr_event'>
+ <parameter type-id='80f4b756' name='system' filepath='kernel/trace/trace_events.c' line='891' column='1'/>
+ <parameter type-id='80f4b756' name='event' filepath='kernel/trace/trace_events.c' line='891' column='1'/>
+ <parameter type-id='95e97e5e' name='set' filepath='kernel/trace/trace_events.c' line='891' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tracepoint_probe_register' mangled-name='tracepoint_probe_register' filepath='kernel/tracepoint.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tracepoint_probe_register'>
+ <parameter type-id='08e531de' name='tp' filepath='kernel/tracepoint.c' line='550' column='1'/>
+ <parameter type-id='eaa32e2f' name='probe' filepath='kernel/tracepoint.c' line='550' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/tracepoint.c' line='550' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tracepoint_probe_register_prio' mangled-name='tracepoint_probe_register_prio' filepath='kernel/tracepoint.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tracepoint_probe_register_prio'>
+ <parameter type-id='08e531de' name='tp' filepath='kernel/tracepoint.c' line='522' column='1'/>
+ <parameter type-id='eaa32e2f' name='probe' filepath='kernel/tracepoint.c' line='522' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/tracepoint.c' line='523' column='1'/>
+ <parameter type-id='95e97e5e' name='prio' filepath='kernel/tracepoint.c' line='523' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tracepoint_probe_unregister' mangled-name='tracepoint_probe_unregister' filepath='kernel/tracepoint.c' line='564' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tracepoint_probe_unregister'>
+ <parameter type-id='08e531de' name='tp' filepath='kernel/tracepoint.c' line='564' column='1'/>
+ <parameter type-id='eaa32e2f' name='probe' filepath='kernel/tracepoint.c' line='564' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='kernel/tracepoint.c' line='564' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='tracepoint_srcu' type-id='e4a7867c' mangled-name='tracepoint_srcu' visibility='default' filepath='kernel/tracepoint.c' line='28' column='1' elf-symbol-id='tracepoint_srcu'/>
+ <function-decl name='tracing_off' mangled-name='tracing_off' filepath='kernel/trace/trace.c' line='1446' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tracing_off'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='try_module_get' mangled-name='try_module_get' filepath='kernel/module.c' line='1139' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='try_module_get'>
+ <parameter type-id='2730d015' name='module' filepath='kernel/module.c' line='1139' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='try_to_del_timer_sync' mangled-name='try_to_del_timer_sync' filepath='kernel/time/timer.c' line='1229' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='try_to_del_timer_sync'>
+ <parameter type-id='9248e67f' name='timer' filepath='kernel/time/timer.c' line='1229' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='try_to_free_mem_cgroup_pages' mangled-name='try_to_free_mem_cgroup_pages' filepath='mm/vmscan.c' line='3396' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='try_to_free_mem_cgroup_pages'>
+ <parameter type-id='223696fb' name='memcg' filepath='mm/vmscan.c' line='3396' column='1'/>
+ <parameter type-id='7359adad' name='nr_pages' filepath='mm/vmscan.c' line='3397' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_mask' filepath='mm/vmscan.c' line='3398' column='1'/>
+ <parameter type-id='b50a4934' name='may_swap' filepath='mm/vmscan.c' line='3399' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='try_wait_for_completion' mangled-name='try_wait_for_completion' filepath='kernel/sched/completion.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='try_wait_for_completion'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='282' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='tso_build_data' mangled-name='tso_build_data' filepath='net/core/tso.c' line='54' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tso_build_data'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/tso.c' line='54' column='1'/>
+ <parameter type-id='c47bdd44' name='tso' filepath='net/core/tso.c' line='54' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='net/core/tso.c' line='54' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tso_build_hdr' mangled-name='tso_build_hdr' filepath='net/core/tso.c' line='16' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tso_build_hdr'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/tso.c' line='16' column='1'/>
+ <parameter type-id='26a90f95' name='hdr' filepath='net/core/tso.c' line='16' column='1'/>
+ <parameter type-id='c47bdd44' name='tso' filepath='net/core/tso.c' line='16' column='1'/>
+ <parameter type-id='95e97e5e' name='size' filepath='net/core/tso.c' line='17' column='1'/>
+ <parameter type-id='b50a4934' name='is_last' filepath='net/core/tso.c' line='17' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tso_count_descs' mangled-name='tso_count_descs' filepath='net/core/tso.c' line='9' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tso_count_descs'>
+ <parameter type-id='11f4a000' name='skb' filepath='net/core/tso.c' line='9' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tso_start' mangled-name='tso_start' filepath='net/core/tso.c' line='72' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tso_start'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/core/tso.c' line='72' column='1'/>
+ <parameter type-id='c47bdd44' name='tso' filepath='net/core/tso.c' line='72' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_bulk_move_lru_tail' mangled-name='ttm_bo_bulk_move_lru_tail' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='185' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_bulk_move_lru_tail'>
+ <parameter type-id='92bac3a5' name='bulk' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='185' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_bo_device_init' mangled-name='ttm_bo_device_init' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1434' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_device_init'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1434' column='1'/>
+ <parameter type-id='0975b661' name='driver' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1435' column='1'/>
+ <parameter type-id='f57039f0' name='mapping' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1436' column='1'/>
+ <parameter type-id='0c6d12d5' name='vma_manager' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1437' column='1'/>
+ <parameter type-id='b50a4934' name='need_dma32' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1438' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_device_release' mangled-name='ttm_bo_device_release' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1386' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_device_release'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1386' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_dma_acc_size' mangled-name='ttm_bo_dma_acc_size' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1267' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_dma_acc_size'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1267' column='1'/>
+ <parameter type-id='7359adad' name='bo_size' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1268' column='1'/>
+ <parameter type-id='f0981eeb' name='struct_size' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1269' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='ttm_bo_evict_mm' mangled-name='ttm_bo_evict_mm' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_evict_mm'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1308' column='1'/>
+ <parameter type-id='f0981eeb' name='mem_type' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1308' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_eviction_valuable' mangled-name='ttm_bo_eviction_valuable' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='644' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_eviction_valuable'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='644' column='1'/>
+ <parameter type-id='2e6aa127' name='place' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='645' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <var-decl name='ttm_bo_glob' type-id='92115120' mangled-name='ttm_bo_glob' visibility='default' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='53' column='1' elf-symbol-id='ttm_bo_glob'/>
+ <function-decl name='ttm_bo_init_reserved' mangled-name='ttm_bo_init_reserved' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_init_reserved'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1119' column='1'/>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1120' column='1'/>
+ <parameter type-id='7359adad' name='size' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1121' column='1'/>
+ <parameter type-id='db1f3944' name='type' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1122' column='1'/>
+ <parameter type-id='1d36520e' name='placement' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1123' column='1'/>
+ <parameter type-id='8f92235e' name='page_alignment' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1124' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1125' column='1'/>
+ <parameter type-id='b59d7dce' name='acc_size' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1126' column='1'/>
+ <parameter type-id='4adb0e6a' name='sg' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1127' column='1'/>
+ <parameter type-id='340cea9c' name='resv' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1128' column='1'/>
+ <parameter type-id='7c7fffd6' name='destroy' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1129' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_kmap' mangled-name='ttm_bo_kmap' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='477' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_kmap'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='477' column='1'/>
+ <parameter type-id='7359adad' name='start_page' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='478' column='1'/>
+ <parameter type-id='7359adad' name='num_pages' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='478' column='1'/>
+ <parameter type-id='cc6dfde6' name='map' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='479' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_kunmap' mangled-name='ttm_bo_kunmap' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_kunmap'>
+ <parameter type-id='cc6dfde6' name='map' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='504' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_bo_lock_delayed_workqueue' mangled-name='ttm_bo_lock_delayed_workqueue' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='584' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_lock_delayed_workqueue'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='584' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_mem_space' mangled-name='ttm_bo_mem_space' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='933' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_mem_space'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='933' column='1'/>
+ <parameter type-id='1d36520e' name='placement' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='934' column='1'/>
+ <parameter type-id='c0a9211d' name='mem' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='935' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='936' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_mmap' mangled-name='ttm_bo_mmap' filepath='drivers/gpu/drm/ttm/ttm_bo_vm.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_mmap'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/gpu/drm/ttm/ttm_bo_vm.c' line='574' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/ttm/ttm_bo_vm.c' line='574' column='1'/>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo_vm.c' line='575' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_mmap_obj' mangled-name='ttm_bo_mmap_obj' filepath='drivers/gpu/drm/ttm/ttm_bo_vm.c' line='605' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_mmap_obj'>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/gpu/drm/ttm/ttm_bo_vm.c' line='605' column='1'/>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo_vm.c' line='605' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_move_accel_cleanup' mangled-name='ttm_bo_move_accel_cleanup' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_move_accel_cleanup'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='606' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='607' column='1'/>
+ <parameter type-id='b50a4934' name='evict' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='608' column='1'/>
+ <parameter type-id='b50a4934' name='pipeline' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='609' column='1'/>
+ <parameter type-id='c0a9211d' name='new_mem' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='610' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_move_memcpy' mangled-name='ttm_bo_move_memcpy' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='217' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_move_memcpy'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='217' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='218' column='1'/>
+ <parameter type-id='c0a9211d' name='new_mem' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='219' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_move_to_lru_tail' mangled-name='ttm_bo_move_to_lru_tail' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_move_to_lru_tail'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='160' column='1'/>
+ <parameter type-id='92bac3a5' name='bulk' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='161' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_bo_move_ttm' mangled-name='ttm_bo_move_ttm' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='53' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_move_ttm'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='53' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='54' column='1'/>
+ <parameter type-id='c0a9211d' name='new_mem' filepath='drivers/gpu/drm/ttm/ttm_bo_util.c' line='55' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_bo_put' mangled-name='ttm_bo_put' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='578' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_put'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='578' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_bo_unlock_delayed_workqueue' mangled-name='ttm_bo_unlock_delayed_workqueue' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_unlock_delayed_workqueue'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='590' column='1'/>
+ <parameter type-id='95e97e5e' name='resched' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='590' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_bo_validate' mangled-name='ttm_bo_validate' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1076' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_bo_validate'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1076' column='1'/>
+ <parameter type-id='1d36520e' name='placement' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1077' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_bo.c' line='1078' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_dma_page_alloc_debugfs' mangled-name='ttm_dma_page_alloc_debugfs' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='1214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_dma_page_alloc_debugfs'>
+ <parameter type-id='f8dc9def' name='m' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='1214' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='1214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_dma_populate' mangled-name='ttm_dma_populate' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='885' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_dma_populate'>
+ <parameter type-id='6621f500' name='ttm_dma' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='885' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='885' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='886' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_dma_tt_fini' mangled-name='ttm_dma_tt_fini' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='296' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_dma_tt_fini'>
+ <parameter type-id='6621f500' name='ttm_dma' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='296' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_dma_unpopulate' mangled-name='ttm_dma_unpopulate' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='991' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_dma_unpopulate'>
+ <parameter type-id='6621f500' name='ttm_dma' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='991' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/ttm/ttm_page_alloc_dma.c' line='991' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_eu_backoff_reservation' mangled-name='ttm_eu_backoff_reservation' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='46' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_eu_backoff_reservation'>
+ <parameter type-id='c1d02a64' name='ticket' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='46' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='47' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_eu_fence_buffer_objects' mangled-name='ttm_eu_fence_buffer_objects' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='148' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_eu_fence_buffer_objects'>
+ <parameter type-id='c1d02a64' name='ticket' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='148' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='149' column='1'/>
+ <parameter type-id='28271da3' name='fence' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='150' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_eu_reserve_buffers' mangled-name='ttm_eu_reserve_buffers' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_eu_reserve_buffers'>
+ <parameter type-id='c1d02a64' name='ticket' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='80' column='1'/>
+ <parameter type-id='e84b031a' name='list' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='81' column='1'/>
+ <parameter type-id='b50a4934' name='intr' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='81' column='1'/>
+ <parameter type-id='e84b031a' name='dups' filepath='drivers/gpu/drm/ttm/ttm_execbuf_util.c' line='82' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_page_alloc_debugfs' mangled-name='ttm_page_alloc_debugfs' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_page_alloc_debugfs'>
+ <parameter type-id='f8dc9def' name='m' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1169' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1169' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_populate_and_map_pages' mangled-name='ttm_populate_and_map_pages' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_populate_and_map_pages'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1097' column='1'/>
+ <parameter type-id='6621f500' name='tt' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1097' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1098' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_range_man_fini' mangled-name='ttm_range_man_fini' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_range_man_fini'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='142' column='1'/>
+ <parameter type-id='f0981eeb' name='type' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='143' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_range_man_init' mangled-name='ttm_range_man_init' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_range_man_init'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='115' column='1'/>
+ <parameter type-id='f0981eeb' name='type' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='116' column='1'/>
+ <parameter type-id='b50a4934' name='use_tt' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='116' column='1'/>
+ <parameter type-id='7359adad' name='p_size' filepath='drivers/gpu/drm/ttm/ttm_range_manager.c' line='117' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_resource_free' mangled-name='ttm_resource_free' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_resource_free'>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='42' column='1'/>
+ <parameter type-id='c0a9211d' name='res' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='42' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_resource_manager_force_list_clean' mangled-name='ttm_resource_manager_force_list_clean' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='86' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_resource_manager_force_list_clean'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='86' column='1'/>
+ <parameter type-id='40735a95' name='man' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='87' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_resource_manager_init' mangled-name='ttm_resource_manager_init' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='63' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_resource_manager_init'>
+ <parameter type-id='40735a95' name='man' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='63' column='1'/>
+ <parameter type-id='7359adad' name='p_size' filepath='drivers/gpu/drm/ttm/ttm_resource.c' line='64' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_sg_tt_init' mangled-name='ttm_sg_tt_init' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_sg_tt_init'>
+ <parameter type-id='6621f500' name='ttm_dma' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='275' column='1'/>
+ <parameter type-id='9d57e433' name='bo' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='275' column='1'/>
+ <parameter type-id='8f92235e' name='page_flags' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='276' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_tt_destroy_common' mangled-name='ttm_tt_destroy_common' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='210' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_tt_destroy_common'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='210' column='1'/>
+ <parameter type-id='c21baddd' name='ttm' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='210' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ttm_tt_populate' mangled-name='ttm_tt_populate' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='422' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_tt_populate'>
+ <parameter type-id='723d4d79' name='bdev' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='422' column='1'/>
+ <parameter type-id='c21baddd' name='ttm' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='423' column='1'/>
+ <parameter type-id='7c3e509a' name='ctx' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='423' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_tt_set_placement_caching' mangled-name='ttm_tt_set_placement_caching' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_tt_set_placement_caching'>
+ <parameter type-id='c21baddd' name='ttm' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='195' column='1'/>
+ <parameter type-id='8f92235e' name='placement' filepath='drivers/gpu/drm/ttm/ttm_tt.c' line='195' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ttm_unmap_and_unpopulate_pages' mangled-name='ttm_unmap_and_unpopulate_pages' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ttm_unmap_and_unpopulate_pages'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1140' column='1'/>
+ <parameter type-id='6621f500' name='tt' filepath='drivers/gpu/drm/ttm/ttm_page_alloc.c' line='1140' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_driver_flush_buffer' mangled-name='tty_driver_flush_buffer' filepath='drivers/tty/tty_ioctl.c' line='92' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_driver_flush_buffer'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_ioctl.c' line='92' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_flip_buffer_push' mangled-name='tty_flip_buffer_push' filepath='drivers/tty/tty_buffer.c' line='557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_flip_buffer_push'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_buffer.c' line='557' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_hangup' mangled-name='tty_hangup' filepath='drivers/tty/tty_io.c' line='677' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_hangup'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='677' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_insert_flip_string_fixed_flag' mangled-name='tty_insert_flip_string_fixed_flag' filepath='drivers/tty/tty_buffer.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_insert_flip_string_fixed_flag'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_buffer.c' line='311' column='1'/>
+ <parameter type-id='354f7eb9' name='chars' filepath='drivers/tty/tty_buffer.c' line='312' column='1'/>
+ <parameter type-id='a84c031d' name='flag' filepath='drivers/tty/tty_buffer.c' line='312' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/tty/tty_buffer.c' line='312' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tty_kref_put' mangled-name='tty_kref_put' filepath='drivers/tty/tty_io.c' line='1570' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_kref_put'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='1570' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_ldisc_deref' mangled-name='tty_ldisc_deref' filepath='drivers/tty/tty_ldisc.c' line='304' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_ldisc_deref'>
+ <parameter type-id='e0bbd59c' name='ld' filepath='drivers/tty/tty_ldisc.c' line='304' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_ldisc_ref' mangled-name='tty_ldisc_ref' filepath='drivers/tty/tty_ldisc.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_ldisc_ref'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_ldisc.c' line='283' column='1'/>
+ <return type-id='e0bbd59c'/>
+ </function-decl>
+ <function-decl name='tty_mode_ioctl' mangled-name='tty_mode_ioctl' filepath='drivers/tty/tty_ioctl.c' line='663' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_mode_ioctl'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_ioctl.c' line='663' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/tty/tty_ioctl.c' line='663' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/tty/tty_ioctl.c' line='664' column='1'/>
+ <parameter type-id='7359adad' name='arg' filepath='drivers/tty/tty_ioctl.c' line='664' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tty_port_close' mangled-name='tty_port_close' filepath='drivers/tty/tty_port.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_close'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='631' column='1'/>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_port.c' line='631' column='1'/>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/tty/tty_port.c' line='632' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_port_destroy' mangled-name='tty_port_destroy' filepath='drivers/tty/tty_port.c' line='246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_destroy'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='246' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_port_hangup' mangled-name='tty_port_hangup' filepath='drivers/tty/tty_port.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_hangup'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='345' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_port_init' mangled-name='tty_port_init' filepath='drivers/tty/tty_port.c' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_init'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='61' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_port_open' mangled-name='tty_port_open' filepath='drivers/tty/tty_port.c' line='670' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_open'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='670' column='1'/>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_port.c' line='670' column='1'/>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/tty/tty_port.c' line='671' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tty_port_register_device' mangled-name='tty_port_register_device' filepath='drivers/tty/tty_port.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_register_device'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='108' column='1'/>
+ <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_port.c' line='109' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/tty/tty_port.c' line='109' column='1'/>
+ <parameter type-id='fa0b179b' name='device' filepath='drivers/tty/tty_port.c' line='110' column='1'/>
+ <return type-id='fa0b179b'/>
+ </function-decl>
+ <function-decl name='tty_port_tty_get' mangled-name='tty_port_tty_get' filepath='drivers/tty/tty_port.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_tty_get'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='283' column='1'/>
+ <return type-id='572fbdca'/>
+ </function-decl>
+ <function-decl name='tty_port_tty_wakeup' mangled-name='tty_port_tty_wakeup' filepath='drivers/tty/tty_port.c' line='386' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_port_tty_wakeup'>
+ <parameter type-id='ec77b5b8' name='port' filepath='drivers/tty/tty_port.c' line='386' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_register_driver' mangled-name='tty_register_driver' filepath='drivers/tty/tty_io.c' line='3406' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_register_driver'>
+ <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3406' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tty_register_ldisc' mangled-name='tty_register_ldisc' filepath='drivers/tty/tty_ldisc.c' line='61' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_register_ldisc'>
+ <parameter type-id='95e97e5e' name='disc' filepath='drivers/tty/tty_ldisc.c' line='61' column='1'/>
+ <parameter type-id='9d632ac5' name='new_ldisc' filepath='drivers/tty/tty_ldisc.c' line='61' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tty_set_operations' mangled-name='tty_set_operations' filepath='drivers/tty/tty_io.c' line='3390' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_set_operations'>
+ <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3390' column='1'/>
+ <parameter type-id='f2c18b44' name='op' filepath='drivers/tty/tty_io.c' line='3391' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_standard_install' mangled-name='tty_standard_install' filepath='drivers/tty/tty_io.c' line='1283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_standard_install'>
+ <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='1283' column='1'/>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='1283' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='tty_std_termios' type-id='2f8662b5' mangled-name='tty_std_termios' visibility='default' filepath='drivers/tty/tty_io.c' line='122' column='1' elf-symbol-id='tty_std_termios'/>
+ <function-decl name='tty_termios_baud_rate' mangled-name='tty_termios_baud_rate' filepath='drivers/tty/tty_baudrate.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_termios_baud_rate'>
+ <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/tty_baudrate.c' line='57' column='1'/>
+ <return type-id='6a8e8a14'/>
+ </function-decl>
+ <function-decl name='tty_termios_copy_hw' mangled-name='tty_termios_copy_hw' filepath='drivers/tty/tty_ioctl.c' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_termios_copy_hw'>
+ <parameter type-id='e55856e5' name='new' filepath='drivers/tty/tty_ioctl.c' line='273' column='1'/>
+ <parameter type-id='e55856e5' name='old' filepath='drivers/tty/tty_ioctl.c' line='273' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_termios_encode_baud_rate' mangled-name='tty_termios_encode_baud_rate' filepath='drivers/tty/tty_baudrate.c' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_termios_encode_baud_rate'>
+ <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/tty_baudrate.c' line='141' column='1'/>
+ <parameter type-id='6a8e8a14' name='ibaud' filepath='drivers/tty/tty_baudrate.c' line='142' column='1'/>
+ <parameter type-id='6a8e8a14' name='obaud' filepath='drivers/tty/tty_baudrate.c' line='142' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_unregister_device' mangled-name='tty_unregister_device' filepath='drivers/tty/tty_io.c' line='3279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_unregister_device'>
+ <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3279' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/tty/tty_io.c' line='3279' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='tty_unregister_driver' mangled-name='tty_unregister_driver' filepath='drivers/tty/tty_io.c' line='3468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_unregister_driver'>
+ <parameter type-id='c2b4b27b' name='driver' filepath='drivers/tty/tty_io.c' line='3468' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tty_unregister_ldisc' mangled-name='tty_unregister_ldisc' filepath='drivers/tty/tty_ldisc.c' line='90' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_unregister_ldisc'>
+ <parameter type-id='95e97e5e' name='disc' filepath='drivers/tty/tty_ldisc.c' line='90' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='tty_vhangup' mangled-name='tty_vhangup' filepath='drivers/tty/tty_io.c' line='694' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='tty_vhangup'>
+ <parameter type-id='572fbdca' name='tty' filepath='drivers/tty/tty_io.c' line='694' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_altmode2port' mangled-name='typec_altmode2port' filepath='drivers/usb/typec/class.c' line='377' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode2port'>
+ <parameter type-id='02913b69' name='alt' filepath='drivers/usb/typec/class.c' line='377' column='1'/>
+ <return type-id='b977ca56'/>
+ </function-decl>
+ <function-decl name='typec_altmode_enter' mangled-name='typec_altmode_enter' filepath='drivers/usb/typec/bus.c' line='95' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_enter'>
+ <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='95' column='1'/>
+ <parameter type-id='f9409001' name='vdo' filepath='drivers/usb/typec/bus.c' line='95' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_altmode_exit' mangled-name='typec_altmode_exit' filepath='drivers/usb/typec/bus.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_exit'>
+ <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='126' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_altmode_get_partner' mangled-name='typec_altmode_get_partner' filepath='drivers/usb/typec/bus.c' line='199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_get_partner'>
+ <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='199' column='1'/>
+ <return type-id='9aa82888'/>
+ </function-decl>
+ <function-decl name='typec_altmode_notify' mangled-name='typec_altmode_notify' filepath='drivers/usb/typec/bus.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_notify'>
+ <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='55' column='1'/>
+ <parameter type-id='7359adad' name='conf' filepath='drivers/usb/typec/bus.c' line='56' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/typec/bus.c' line='56' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_altmode_unregister_driver' mangled-name='typec_altmode_unregister_driver' filepath='drivers/usb/typec/bus.c' line='257' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_unregister_driver'>
+ <parameter type-id='e1932af2' name='drv' filepath='drivers/usb/typec/bus.c' line='257' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_altmode_update_active' mangled-name='typec_altmode_update_active' filepath='drivers/usb/typec/class.c' line='348' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_update_active'>
+ <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/class.c' line='348' column='1'/>
+ <parameter type-id='b50a4934' name='active' filepath='drivers/usb/typec/class.c' line='348' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_altmode_vdm' mangled-name='typec_altmode_vdm' filepath='drivers/usb/typec/bus.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_altmode_vdm'>
+ <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/bus.c' line='175' column='1'/>
+ <parameter type-id='51bb592e' name='header' filepath='drivers/usb/typec/bus.c' line='176' column='1'/>
+ <parameter type-id='aded214c' name='vdo' filepath='drivers/usb/typec/bus.c' line='176' column='1'/>
+ <parameter type-id='95e97e5e' name='count' filepath='drivers/usb/typec/bus.c' line='176' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_get_drvdata' mangled-name='typec_get_drvdata' filepath='drivers/usb/typec/class.c' line='1949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_get_drvdata'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1949' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='typec_get_negotiated_svdm_version' mangled-name='typec_get_negotiated_svdm_version' filepath='drivers/usb/typec/class.c' line='1929' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_get_negotiated_svdm_version'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1929' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_mux_get_drvdata' mangled-name='typec_mux_get_drvdata' filepath='drivers/usb/typec/mux.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_mux_get_drvdata'>
+ <parameter type-id='374b228b' name='mux' filepath='drivers/usb/typec/mux.c' line='367' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='typec_mux_register' mangled-name='typec_mux_register' filepath='drivers/usb/typec/mux.c' line='314' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_mux_register'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/typec/mux.c' line='314' column='1'/>
+ <parameter type-id='233fa2f2' name='desc' filepath='drivers/usb/typec/mux.c' line='314' column='1'/>
+ <return type-id='374b228b'/>
+ </function-decl>
+ <function-decl name='typec_mux_set' mangled-name='typec_mux_set' filepath='drivers/usb/typec/mux.c' line='284' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_mux_set'>
+ <parameter type-id='374b228b' name='mux' filepath='drivers/usb/typec/mux.c' line='284' column='1'/>
+ <parameter type-id='d03b0979' name='state' filepath='drivers/usb/typec/mux.c' line='284' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_mux_unregister' mangled-name='typec_mux_unregister' filepath='drivers/usb/typec/mux.c' line='354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_mux_unregister'>
+ <parameter type-id='374b228b' name='mux' filepath='drivers/usb/typec/mux.c' line='354' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_partner_register_altmode' mangled-name='typec_partner_register_altmode' filepath='drivers/usb/typec/class.c' line='827' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_partner_register_altmode'>
+ <parameter type-id='33ca4bbb' name='partner' filepath='drivers/usb/typec/class.c' line='827' column='1'/>
+ <parameter type-id='064c3738' name='desc' filepath='drivers/usb/typec/class.c' line='828' column='1'/>
+ <return type-id='02913b69'/>
+ </function-decl>
+ <function-decl name='typec_partner_set_identity' mangled-name='typec_partner_set_identity' filepath='drivers/usb/typec/class.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_partner_set_identity'>
+ <parameter type-id='33ca4bbb' name='partner' filepath='drivers/usb/typec/class.c' line='749' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_port_register_altmode' mangled-name='typec_port_register_altmode' filepath='drivers/usb/typec/class.c' line='1966' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_port_register_altmode'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1966' column='1'/>
+ <parameter type-id='064c3738' name='desc' filepath='drivers/usb/typec/class.c' line='1967' column='1'/>
+ <return type-id='02913b69'/>
+ </function-decl>
+ <function-decl name='typec_register_partner' mangled-name='typec_register_partner' filepath='drivers/usb/typec/class.c' line='857' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_register_partner'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='857' column='1'/>
+ <parameter type-id='a5263fbd' name='desc' filepath='drivers/usb/typec/class.c' line='858' column='1'/>
+ <return type-id='33ca4bbb'/>
+ </function-decl>
+ <function-decl name='typec_register_port' mangled-name='typec_register_port' filepath='drivers/usb/typec/class.c' line='1995' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_register_port'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/typec/class.c' line='1995' column='1'/>
+ <parameter type-id='287e28ea' name='cap' filepath='drivers/usb/typec/class.c' line='1996' column='1'/>
+ <return type-id='b977ca56'/>
+ </function-decl>
+ <function-decl name='typec_set_data_role' mangled-name='typec_set_data_role' filepath='drivers/usb/typec/class.c' line='1690' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_data_role'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1690' column='1'/>
+ <parameter type-id='e453a0cb' name='role' filepath='drivers/usb/typec/class.c' line='1690' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_set_orientation' mangled-name='typec_set_orientation' filepath='drivers/usb/typec/class.c' line='1869' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_orientation'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1869' column='1'/>
+ <parameter type-id='131b0a9c' name='orientation' filepath='drivers/usb/typec/class.c' line='1870' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='typec_set_pwr_opmode' mangled-name='typec_set_pwr_opmode' filepath='drivers/usb/typec/class.c' line='1759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_pwr_opmode'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1759' column='1'/>
+ <parameter type-id='44ea1984' name='opmode' filepath='drivers/usb/typec/class.c' line='1760' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_set_pwr_role' mangled-name='typec_set_pwr_role' filepath='drivers/usb/typec/class.c' line='1719' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_pwr_role'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1719' column='1'/>
+ <parameter type-id='ad61830a' name='role' filepath='drivers/usb/typec/class.c' line='1719' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_set_vconn_role' mangled-name='typec_set_vconn_role' filepath='drivers/usb/typec/class.c' line='1738' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_set_vconn_role'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='1738' column='1'/>
+ <parameter type-id='ad61830a' name='role' filepath='drivers/usb/typec/class.c' line='1738' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_switch_get_drvdata' mangled-name='typec_switch_get_drvdata' filepath='drivers/usb/typec/mux.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_switch_get_drvdata'>
+ <parameter type-id='5d33005f' name='sw' filepath='drivers/usb/typec/mux.c' line='173' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='typec_switch_register' mangled-name='typec_switch_register' filepath='drivers/usb/typec/mux.c' line='109' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_switch_register'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/typec/mux.c' line='109' column='1'/>
+ <parameter type-id='e6db9214' name='desc' filepath='drivers/usb/typec/mux.c' line='110' column='1'/>
+ <return type-id='5d33005f'/>
+ </function-decl>
+ <function-decl name='typec_switch_unregister' mangled-name='typec_switch_unregister' filepath='drivers/usb/typec/mux.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_switch_unregister'>
+ <parameter type-id='5d33005f' name='sw' filepath='drivers/usb/typec/mux.c' line='160' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_unregister_altmode' mangled-name='typec_unregister_altmode' filepath='drivers/usb/typec/class.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_unregister_altmode'>
+ <parameter type-id='02913b69' name='adev' filepath='drivers/usb/typec/class.c' line='640' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_unregister_partner' mangled-name='typec_unregister_partner' filepath='drivers/usb/typec/class.c' line='905' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_unregister_partner'>
+ <parameter type-id='33ca4bbb' name='partner' filepath='drivers/usb/typec/class.c' line='905' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='typec_unregister_port' mangled-name='typec_unregister_port' filepath='drivers/usb/typec/class.c' line='2097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='typec_unregister_port'>
+ <parameter type-id='b977ca56' name='port' filepath='drivers/usb/typec/class.c' line='2097' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_add_one_port' mangled-name='uart_add_one_port' filepath='drivers/tty/serial/serial_core.c' line='2861' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_add_one_port'>
+ <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2861' column='1'/>
+ <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='2861' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uart_console_device' mangled-name='uart_console_device' filepath='drivers/tty/serial/serial_core.c' line='2620' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_console_device'>
+ <parameter type-id='b9aa0100' name='co' filepath='drivers/tty/serial/serial_core.c' line='2620' column='1'/>
+ <parameter type-id='7292109c' name='index' filepath='drivers/tty/serial/serial_core.c' line='2620' column='1'/>
+ <return type-id='c2b4b27b'/>
+ </function-decl>
+ <function-decl name='uart_console_write' mangled-name='uart_console_write' filepath='drivers/tty/serial/serial_core.c' line='1939' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_console_write'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='1939' column='1'/>
+ <parameter type-id='80f4b756' name='s' filepath='drivers/tty/serial/serial_core.c' line='1939' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='drivers/tty/serial/serial_core.c' line='1940' column='1'/>
+ <parameter type-id='c6b7d75f' name='putchar' filepath='drivers/tty/serial/serial_core.c' line='1941' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_get_baud_rate' mangled-name='uart_get_baud_rate' filepath='drivers/tty/serial/serial_core.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_get_baud_rate'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='394' column='1'/>
+ <parameter type-id='e55856e5' name='termios' filepath='drivers/tty/serial/serial_core.c' line='394' column='1'/>
+ <parameter type-id='e55856e5' name='old' filepath='drivers/tty/serial/serial_core.c' line='395' column='1'/>
+ <parameter type-id='f0981eeb' name='min' filepath='drivers/tty/serial/serial_core.c' line='395' column='1'/>
+ <parameter type-id='f0981eeb' name='max' filepath='drivers/tty/serial/serial_core.c' line='395' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='uart_get_divisor' mangled-name='uart_get_divisor' filepath='drivers/tty/serial/serial_core.c' line='484' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_get_divisor'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='484' column='1'/>
+ <parameter type-id='f0981eeb' name='baud' filepath='drivers/tty/serial/serial_core.c' line='484' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='uart_get_rs485_mode' mangled-name='uart_get_rs485_mode' filepath='drivers/tty/serial/serial_core.c' line='3222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_get_rs485_mode'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='3222' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uart_handle_cts_change' mangled-name='uart_handle_cts_change' filepath='drivers/tty/serial/serial_core.c' line='3102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_handle_cts_change'>
+ <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='3102' column='1'/>
+ <parameter type-id='f0981eeb' name='status' filepath='drivers/tty/serial/serial_core.c' line='3102' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_handle_dcd_change' mangled-name='uart_handle_dcd_change' filepath='drivers/tty/serial/serial_core.c' line='3067' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_handle_dcd_change'>
+ <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='3067' column='1'/>
+ <parameter type-id='f0981eeb' name='status' filepath='drivers/tty/serial/serial_core.c' line='3067' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_insert_char' mangled-name='uart_insert_char' filepath='drivers/tty/serial/serial_core.c' line='3138' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_insert_char'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='3138' column='1'/>
+ <parameter type-id='f0981eeb' name='status' filepath='drivers/tty/serial/serial_core.c' line='3138' column='1'/>
+ <parameter type-id='f0981eeb' name='overrun' filepath='drivers/tty/serial/serial_core.c' line='3139' column='1'/>
+ <parameter type-id='f0981eeb' name='ch' filepath='drivers/tty/serial/serial_core.c' line='3139' column='1'/>
+ <parameter type-id='f0981eeb' name='flag' filepath='drivers/tty/serial/serial_core.c' line='3139' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_parse_options' mangled-name='uart_parse_options' filepath='drivers/tty/serial/serial_core.c' line='2050' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_parse_options'>
+ <parameter type-id='80f4b756' name='options' filepath='drivers/tty/serial/serial_core.c' line='2050' column='1'/>
+ <parameter type-id='7292109c' name='baud' filepath='drivers/tty/serial/serial_core.c' line='2050' column='1'/>
+ <parameter type-id='7292109c' name='parity' filepath='drivers/tty/serial/serial_core.c' line='2050' column='1'/>
+ <parameter type-id='7292109c' name='bits' filepath='drivers/tty/serial/serial_core.c' line='2051' column='1'/>
+ <parameter type-id='7292109c' name='flow' filepath='drivers/tty/serial/serial_core.c' line='2051' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_register_driver' mangled-name='uart_register_driver' filepath='drivers/tty/serial/serial_core.c' line='2539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_register_driver'>
+ <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2539' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uart_remove_one_port' mangled-name='uart_remove_one_port' filepath='drivers/tty/serial/serial_core.c' line='2963' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_remove_one_port'>
+ <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2963' column='1'/>
+ <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='2963' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uart_resume_port' mangled-name='uart_resume_port' filepath='drivers/tty/serial/serial_core.c' line='2231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_resume_port'>
+ <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2231' column='1'/>
+ <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='2231' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uart_set_options' mangled-name='uart_set_options' filepath='drivers/tty/serial/serial_core.c' line='2077' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_set_options'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='2077' column='1'/>
+ <parameter type-id='b9aa0100' name='co' filepath='drivers/tty/serial/serial_core.c' line='2077' column='1'/>
+ <parameter type-id='95e97e5e' name='baud' filepath='drivers/tty/serial/serial_core.c' line='2078' column='1'/>
+ <parameter type-id='95e97e5e' name='parity' filepath='drivers/tty/serial/serial_core.c' line='2078' column='1'/>
+ <parameter type-id='95e97e5e' name='bits' filepath='drivers/tty/serial/serial_core.c' line='2078' column='1'/>
+ <parameter type-id='95e97e5e' name='flow' filepath='drivers/tty/serial/serial_core.c' line='2078' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uart_suspend_port' mangled-name='uart_suspend_port' filepath='drivers/tty/serial/serial_core.c' line='2169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_suspend_port'>
+ <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2169' column='1'/>
+ <parameter type-id='af051c69' name='uport' filepath='drivers/tty/serial/serial_core.c' line='2169' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uart_try_toggle_sysrq' mangled-name='uart_try_toggle_sysrq' filepath='drivers/tty/serial/serial_core.c' line='3181' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_try_toggle_sysrq'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='3181' column='1'/>
+ <parameter type-id='f0981eeb' name='ch' filepath='drivers/tty/serial/serial_core.c' line='3181' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='uart_unregister_driver' mangled-name='uart_unregister_driver' filepath='drivers/tty/serial/serial_core.c' line='2606' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_unregister_driver'>
+ <parameter type-id='04a219de' name='drv' filepath='drivers/tty/serial/serial_core.c' line='2606' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_update_timeout' mangled-name='uart_update_timeout' filepath='drivers/tty/serial/serial_core.c' line='334' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_update_timeout'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='334' column='1'/>
+ <parameter type-id='f0981eeb' name='cflag' filepath='drivers/tty/serial/serial_core.c' line='334' column='1'/>
+ <parameter type-id='f0981eeb' name='baud' filepath='drivers/tty/serial/serial_core.c' line='335' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uart_write_wakeup' mangled-name='uart_write_wakeup' filepath='drivers/tty/serial/serial_core.c' line='98' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uart_write_wakeup'>
+ <parameter type-id='af051c69' name='port' filepath='drivers/tty/serial/serial_core.c' line='98' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uclamp_eff_value' mangled-name='uclamp_eff_value' filepath='kernel/sched/core.c' line='1155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uclamp_eff_value'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='1155' column='1'/>
+ <parameter type-id='db819146' name='clamp_id' filepath='kernel/sched/core.c' line='1155' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='ucsi_connector_change' mangled-name='ucsi_connector_change' filepath='drivers/usb/typec/ucsi/ucsi.c' line='846' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_connector_change'>
+ <parameter type-id='2c25e09d' name='ucsi' filepath='drivers/usb/typec/ucsi/ucsi.c' line='846' column='1'/>
+ <parameter type-id='f9b06939' name='num' filepath='drivers/usb/typec/ucsi/ucsi.c' line='846' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ucsi_create' mangled-name='ucsi_create' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_create'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1298' column='1'/>
+ <parameter type-id='0749da8f' name='ops' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1298' column='1'/>
+ <return type-id='2c25e09d'/>
+ </function-decl>
+ <function-decl name='ucsi_destroy' mangled-name='ucsi_destroy' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_destroy'>
+ <parameter type-id='2c25e09d' name='ucsi' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1322' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ucsi_get_drvdata' mangled-name='ucsi_get_drvdata' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_get_drvdata'>
+ <parameter type-id='2c25e09d' name='ucsi' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1276' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='ucsi_register' mangled-name='ucsi_register' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1332' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_register'>
+ <parameter type-id='2c25e09d' name='ucsi' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1332' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ucsi_send_command' mangled-name='ucsi_send_command' filepath='drivers/usb/typec/ucsi/ucsi.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_send_command'>
+ <parameter type-id='2c25e09d' name='ucsi' filepath='drivers/usb/typec/ucsi/ucsi.c' line='149' column='1'/>
+ <parameter type-id='91ce1af9' name='command' filepath='drivers/usb/typec/ucsi/ucsi.c' line='149' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/typec/ucsi/ucsi.c' line='150' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/usb/typec/ucsi/ucsi.c' line='150' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ucsi_set_drvdata' mangled-name='ucsi_set_drvdata' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1287' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_set_drvdata'>
+ <parameter type-id='2c25e09d' name='ucsi' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1287' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1287' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ucsi_unregister' mangled-name='ucsi_unregister' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ucsi_unregister'>
+ <parameter type-id='2c25e09d' name='ucsi' filepath='drivers/usb/typec/ucsi/ucsi.c' line='1356' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='udp4_hwcsum' mangled-name='udp4_hwcsum' filepath='net/ipv4/udp.c' line='808' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='udp4_hwcsum'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/ipv4/udp.c' line='808' column='1'/>
+ <parameter type-id='78a133c2' name='src' filepath='net/ipv4/udp.c' line='808' column='1'/>
+ <parameter type-id='78a133c2' name='dst' filepath='net/ipv4/udp.c' line='808' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_alloc_host' mangled-name='ufshcd_alloc_host' filepath='drivers/scsi/ufs/ufshcd.c' line='9198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_alloc_host'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd.c' line='9198' column='1'/>
+ <parameter type-id='f38ff799' name='hba_handle' filepath='drivers/scsi/ufs/ufshcd.c' line='9198' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_auto_hibern8_update' mangled-name='ufshcd_auto_hibern8_update' filepath='drivers/scsi/ufs/ufshcd.c' line='4140' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_auto_hibern8_update'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4140' column='1'/>
+ <parameter type-id='19c2251e' name='ahit' filepath='drivers/scsi/ufs/ufshcd.c' line='4140' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_bkops_ctrl' mangled-name='ufshcd_bkops_ctrl' filepath='drivers/scsi/ufs/ufshcd.c' line='5470' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_bkops_ctrl'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='5470' column='1'/>
+ <parameter type-id='462d2624' name='status' filepath='drivers/scsi/ufs/ufshcd.c' line='5471' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_config_pwr_mode' mangled-name='ufshcd_config_pwr_mode' filepath='drivers/scsi/ufs/ufshcd.c' line='4349' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_config_pwr_mode'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4349' column='1'/>
+ <parameter type-id='35f4156d' name='desired_pwr_mode' filepath='drivers/scsi/ufs/ufshcd.c' line='4350' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_dealloc_host' mangled-name='ufshcd_dealloc_host' filepath='drivers/scsi/ufs/ufshcd.c' line='9170' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dealloc_host'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='9170' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_delay_us' mangled-name='ufshcd_delay_us' filepath='drivers/scsi/ufs/ufshcd.c' line='587' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_delay_us'>
+ <parameter type-id='7359adad' name='us' filepath='drivers/scsi/ufs/ufshcd.c' line='587' column='1'/>
+ <parameter type-id='7359adad' name='tolerance' filepath='drivers/scsi/ufs/ufshcd.c' line='587' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_dme_get_attr' mangled-name='ufshcd_dme_get_attr' filepath='drivers/scsi/ufs/ufshcd.c' line='3859' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dme_get_attr'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3859' column='1'/>
+ <parameter type-id='19c2251e' name='attr_sel' filepath='drivers/scsi/ufs/ufshcd.c' line='3859' column='1'/>
+ <parameter type-id='f9409001' name='mib_val' filepath='drivers/scsi/ufs/ufshcd.c' line='3860' column='1'/>
+ <parameter type-id='f9b06939' name='peer' filepath='drivers/scsi/ufs/ufshcd.c' line='3860' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_dme_set_attr' mangled-name='ufshcd_dme_set_attr' filepath='drivers/scsi/ufs/ufshcd.c' line='3815' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dme_set_attr'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3815' column='1'/>
+ <parameter type-id='19c2251e' name='attr_sel' filepath='drivers/scsi/ufs/ufshcd.c' line='3815' column='1'/>
+ <parameter type-id='f9b06939' name='attr_set' filepath='drivers/scsi/ufs/ufshcd.c' line='3816' column='1'/>
+ <parameter type-id='19c2251e' name='mib_val' filepath='drivers/scsi/ufs/ufshcd.c' line='3816' column='1'/>
+ <parameter type-id='f9b06939' name='peer' filepath='drivers/scsi/ufs/ufshcd.c' line='3816' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_dump_regs' mangled-name='ufshcd_dump_regs' filepath='drivers/scsi/ufs/ufshcd.c' line='103' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_dump_regs'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='103' column='1'/>
+ <parameter type-id='b59d7dce' name='offset' filepath='drivers/scsi/ufs/ufshcd.c' line='103' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='drivers/scsi/ufs/ufshcd.c' line='103' column='1'/>
+ <parameter type-id='80f4b756' name='prefix' filepath='drivers/scsi/ufs/ufshcd.c' line='104' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_fixup_dev_quirks' mangled-name='ufshcd_fixup_dev_quirks' filepath='drivers/scsi/ufs/ufshcd.c' line='7412' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_fixup_dev_quirks'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='7412' column='1'/>
+ <parameter type-id='c5251c27' name='fixups' filepath='drivers/scsi/ufs/ufshcd.c' line='7412' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_get_local_unipro_ver' mangled-name='ufshcd_get_local_unipro_ver' filepath='drivers/scsi/ufs/ufshcd.c' line='901' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_get_local_unipro_ver'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='901' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='ufshcd_get_pwr_dev_param' mangled-name='ufshcd_get_pwr_dev_param' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_get_pwr_dev_param'>
+ <parameter type-id='9c02cf50' name='pltfrm_param' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='252' column='1'/>
+ <parameter type-id='35f4156d' name='dev_max' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='253' column='1'/>
+ <parameter type-id='35f4156d' name='agreed_pwr' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='254' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_hba_enable' mangled-name='ufshcd_hba_enable' filepath='drivers/scsi/ufs/ufshcd.c' line='4560' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_hba_enable'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4560' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_hba_stop' mangled-name='ufshcd_hba_stop' filepath='drivers/scsi/ufs/ufshcd.c' line='4474' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_hba_stop'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4474' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_hold' mangled-name='ufshcd_hold' filepath='drivers/scsi/ufs/ufshcd.c' line='1652' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_hold'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='1652' column='1'/>
+ <parameter type-id='b50a4934' name='async' filepath='drivers/scsi/ufs/ufshcd.c' line='1652' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_link_recovery' mangled-name='ufshcd_link_recovery' filepath='drivers/scsi/ufs/ufshcd.c' line='4060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_link_recovery'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4060' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_make_hba_operational' mangled-name='ufshcd_make_hba_operational' filepath='drivers/scsi/ufs/ufshcd.c' line='4424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_make_hba_operational'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4424' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_map_desc_id_to_length' mangled-name='ufshcd_map_desc_id_to_length' filepath='drivers/scsi/ufs/ufshcd.c' line='3291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_map_desc_id_to_length'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3291' column='1'/>
+ <parameter type-id='32c9d5cb' name='desc_id' filepath='drivers/scsi/ufs/ufshcd.c' line='3291' column='1'/>
+ <parameter type-id='7292109c' name='desc_len' filepath='drivers/scsi/ufs/ufshcd.c' line='3292' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_pltfrm_init' mangled-name='ufshcd_pltfrm_init' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_init'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='347' column='1'/>
+ <parameter type-id='52ab0d0f' name='vops' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='348' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_pltfrm_resume' mangled-name='ufshcd_pltfrm_resume' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='196' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='196' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_pltfrm_runtime_idle' mangled-name='ufshcd_pltfrm_runtime_idle' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_runtime_idle'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_pltfrm_runtime_resume' mangled-name='ufshcd_pltfrm_runtime_resume' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='208' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_runtime_resume'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='208' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_pltfrm_runtime_suspend' mangled-name='ufshcd_pltfrm_runtime_suspend' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_runtime_suspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='202' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_pltfrm_shutdown' mangled-name='ufshcd_pltfrm_shutdown' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='222' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_shutdown'>
+ <parameter type-id='db362995' name='pdev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='222' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_pltfrm_suspend' mangled-name='ufshcd_pltfrm_suspend' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_pltfrm_suspend'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/scsi/ufs/ufshcd-pltfrm.c' line='183' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_query_attr' mangled-name='ufshcd_query_attr' filepath='drivers/scsi/ufs/ufshcd.c' line='3098' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_query_attr'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3098' column='1'/>
+ <parameter type-id='5f757f13' name='opcode' filepath='drivers/scsi/ufs/ufshcd.c' line='3098' column='1'/>
+ <parameter type-id='75eb1735' name='idn' filepath='drivers/scsi/ufs/ufshcd.c' line='3099' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/scsi/ufs/ufshcd.c' line='3099' column='1'/>
+ <parameter type-id='f9b06939' name='selector' filepath='drivers/scsi/ufs/ufshcd.c' line='3099' column='1'/>
+ <parameter type-id='f9409001' name='attr_val' filepath='drivers/scsi/ufs/ufshcd.c' line='3099' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_query_attr_retry' mangled-name='ufshcd_query_attr_retry' filepath='drivers/scsi/ufs/ufshcd.c' line='3164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_query_attr_retry'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3164' column='1'/>
+ <parameter type-id='5f757f13' name='opcode' filepath='drivers/scsi/ufs/ufshcd.c' line='3165' column='1'/>
+ <parameter type-id='75eb1735' name='idn' filepath='drivers/scsi/ufs/ufshcd.c' line='3165' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/scsi/ufs/ufshcd.c' line='3165' column='1'/>
+ <parameter type-id='f9b06939' name='selector' filepath='drivers/scsi/ufs/ufshcd.c' line='3165' column='1'/>
+ <parameter type-id='f9409001' name='attr_val' filepath='drivers/scsi/ufs/ufshcd.c' line='3166' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_query_descriptor_retry' mangled-name='ufshcd_query_descriptor_retry' filepath='drivers/scsi/ufs/ufshcd.c' line='3265' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_query_descriptor_retry'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3265' column='1'/>
+ <parameter type-id='5f757f13' name='opcode' filepath='drivers/scsi/ufs/ufshcd.c' line='3266' column='1'/>
+ <parameter type-id='32c9d5cb' name='idn' filepath='drivers/scsi/ufs/ufshcd.c' line='3267' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/scsi/ufs/ufshcd.c' line='3267' column='1'/>
+ <parameter type-id='f9b06939' name='selector' filepath='drivers/scsi/ufs/ufshcd.c' line='3268' column='1'/>
+ <parameter type-id='8bff8096' name='desc_buf' filepath='drivers/scsi/ufs/ufshcd.c' line='3269' column='1'/>
+ <parameter type-id='7292109c' name='buf_len' filepath='drivers/scsi/ufs/ufshcd.c' line='3269' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_query_flag' mangled-name='ufshcd_query_flag' filepath='drivers/scsi/ufs/ufshcd.c' line='3028' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_query_flag'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3028' column='1'/>
+ <parameter type-id='5f757f13' name='opcode' filepath='drivers/scsi/ufs/ufshcd.c' line='3028' column='1'/>
+ <parameter type-id='92ace17c' name='idn' filepath='drivers/scsi/ufs/ufshcd.c' line='3029' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/scsi/ufs/ufshcd.c' line='3029' column='1'/>
+ <parameter type-id='d8e6b335' name='flag_res' filepath='drivers/scsi/ufs/ufshcd.c' line='3029' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_query_flag_retry' mangled-name='ufshcd_query_flag_retry' filepath='drivers/scsi/ufs/ufshcd.c' line='2994' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_query_flag_retry'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='2994' column='1'/>
+ <parameter type-id='5f757f13' name='opcode' filepath='drivers/scsi/ufs/ufshcd.c' line='2995' column='1'/>
+ <parameter type-id='92ace17c' name='idn' filepath='drivers/scsi/ufs/ufshcd.c' line='2995' column='1'/>
+ <parameter type-id='f9b06939' name='index' filepath='drivers/scsi/ufs/ufshcd.c' line='2995' column='1'/>
+ <parameter type-id='d8e6b335' name='flag_res' filepath='drivers/scsi/ufs/ufshcd.c' line='2995' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_read_desc_param' mangled-name='ufshcd_read_desc_param' filepath='drivers/scsi/ufs/ufshcd.c' line='3327' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_read_desc_param'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='3327' column='1'/>
+ <parameter type-id='32c9d5cb' name='desc_id' filepath='drivers/scsi/ufs/ufshcd.c' line='3328' column='1'/>
+ <parameter type-id='95e97e5e' name='desc_index' filepath='drivers/scsi/ufs/ufshcd.c' line='3329' column='1'/>
+ <parameter type-id='f9b06939' name='param_offset' filepath='drivers/scsi/ufs/ufshcd.c' line='3330' column='1'/>
+ <parameter type-id='8bff8096' name='param_read_buf' filepath='drivers/scsi/ufs/ufshcd.c' line='3331' column='1'/>
+ <parameter type-id='f9b06939' name='param_size' filepath='drivers/scsi/ufs/ufshcd.c' line='3332' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_release' mangled-name='ufshcd_release' filepath='drivers/scsi/ufs/ufshcd.c' line='1830' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_release'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='1830' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_remove' mangled-name='ufshcd_remove' filepath='drivers/scsi/ufs/ufshcd.c' line='9150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_remove'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='9150' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='ufshcd_shutdown' mangled-name='ufshcd_shutdown' filepath='drivers/scsi/ufs/ufshcd.c' line='9119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_shutdown'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='9119' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_system_resume' mangled-name='ufshcd_system_resume' filepath='drivers/scsi/ufs/ufshcd.c' line='9018' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_system_resume'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='9018' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_system_suspend' mangled-name='ufshcd_system_suspend' filepath='drivers/scsi/ufs/ufshcd.c' line='8964' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_system_suspend'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='8964' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_uic_hibern8_enter' mangled-name='ufshcd_uic_hibern8_enter' filepath='drivers/scsi/ufs/ufshcd.c' line='4089' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_uic_hibern8_enter'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4089' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_uic_hibern8_exit' mangled-name='ufshcd_uic_hibern8_exit' filepath='drivers/scsi/ufs/ufshcd.c' line='4113' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_uic_hibern8_exit'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4113' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ufshcd_update_evt_hist' mangled-name='ufshcd_update_evt_hist' filepath='drivers/scsi/ufs/ufshcd.c' line='4623' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ufshcd_update_evt_hist'>
+ <parameter type-id='442b8d89' name='hba' filepath='drivers/scsi/ufs/ufshcd.c' line='4623' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='drivers/scsi/ufs/ufshcd.c' line='4623' column='1'/>
+ <parameter type-id='19c2251e' name='val' filepath='drivers/scsi/ufs/ufshcd.c' line='4623' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='uio_unregister_device' mangled-name='uio_unregister_device' filepath='drivers/uio/uio.c' line='1042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uio_unregister_device'>
+ <parameter type-id='fb1092f1' name='info' filepath='drivers/uio/uio.c' line='1042' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unlock_page' mangled-name='unlock_page' filepath='mm/filemap.c' line='1468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unlock_page'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/filemap.c' line='1468' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unmap_mapping_range' mangled-name='unmap_mapping_range' filepath='mm/memory.c' line='3550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unmap_mapping_range'>
+ <parameter type-id='f57039f0' name='mapping' filepath='mm/memory.c' line='3550' column='1'/>
+ <parameter type-id='bf352dfe' name='holebegin' filepath='mm/memory.c' line='3551' column='1'/>
+ <parameter type-id='bf352dfe' name='holelen' filepath='mm/memory.c' line='3551' column='1'/>
+ <parameter type-id='95e97e5e' name='even_cows' filepath='mm/memory.c' line='3551' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unpin_user_page' mangled-name='unpin_user_page' filepath='mm/gup.c' line='252' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unpin_user_page'>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/gup.c' line='252' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unpin_user_pages' mangled-name='unpin_user_pages' filepath='mm/gup.c' line='352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unpin_user_pages'>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/gup.c' line='352' column='1'/>
+ <parameter type-id='7359adad' name='npages' filepath='mm/gup.c' line='352' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_blkdev' mangled-name='unregister_blkdev' filepath='block/genhd.c' line='504' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_blkdev'>
+ <parameter type-id='f0981eeb' name='major' filepath='block/genhd.c' line='504' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='block/genhd.c' line='504' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_candev' mangled-name='unregister_candev' filepath='drivers/net/can/dev/dev.c' line='1301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_candev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='drivers/net/can/dev/dev.c' line='1301' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_chrdev_region' mangled-name='unregister_chrdev_region' filepath='fs/char_dev.c' line='311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_chrdev_region'>
+ <parameter type-id='8504f260' name='from' filepath='fs/char_dev.c' line='311' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='fs/char_dev.c' line='311' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_console' mangled-name='unregister_console' filepath='kernel/printk/printk.c' line='2912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_console'>
+ <parameter type-id='b9aa0100' name='console' filepath='kernel/printk/printk.c' line='2912' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_die_notifier' mangled-name='unregister_die_notifier' filepath='kernel/notifier.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_die_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/notifier.c' line='558' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_filesystem' mangled-name='unregister_filesystem' filepath='fs/filesystems.c' line='108' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_filesystem'>
+ <parameter type-id='21e53d44' name='fs' filepath='fs/filesystems.c' line='108' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_ftrace_export' mangled-name='unregister_ftrace_export' filepath='kernel/trace/trace.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_ftrace_export'>
+ <parameter type-id='15dccca9' name='export' filepath='kernel/trace/trace.c' line='392' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_inet6addr_notifier' mangled-name='unregister_inet6addr_notifier' filepath='net/ipv6/addrconf_core.c' line='101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_inet6addr_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/ipv6/addrconf_core.c' line='101' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_inetaddr_notifier' mangled-name='unregister_inetaddr_notifier' filepath='net/ipv4/devinet.c' line='1457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_inetaddr_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/ipv4/devinet.c' line='1457' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_kprobe' mangled-name='unregister_kprobe' filepath='kernel/kprobes.c' line='1897' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_kprobe'>
+ <parameter type-id='0d97a11a' name='p' filepath='kernel/kprobes.c' line='1897' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_kretprobe' mangled-name='unregister_kretprobe' filepath='kernel/kprobes.c' line='2192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_kretprobe'>
+ <parameter type-id='d15edd25' name='rp' filepath='kernel/kprobes.c' line='2192' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_memory_notifier' mangled-name='unregister_memory_notifier' filepath='drivers/base/memory.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_memory_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/base/memory.c' line='93' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_module_notifier' mangled-name='unregister_module_notifier' filepath='kernel/module.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_module_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/module.c' line='315' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_net_sysctl_table' mangled-name='unregister_net_sysctl_table' filepath='net/sysctl_net.c' line='125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_net_sysctl_table'>
+ <parameter type-id='11b101bb' name='header' filepath='net/sysctl_net.c' line='125' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_netdev' mangled-name='unregister_netdev' filepath='net/core/dev.c' line='10782' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdev'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10782' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_netdevice_many' mangled-name='unregister_netdevice_many' filepath='net/core/dev.c' line='10758' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdevice_many'>
+ <parameter type-id='e84b031a' name='head' filepath='net/core/dev.c' line='10758' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_netdevice_notifier' mangled-name='unregister_netdevice_notifier' filepath='net/core/dev.c' line='1876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdevice_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/core/dev.c' line='1876' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_netdevice_queue' mangled-name='unregister_netdevice_queue' filepath='net/core/dev.c' line='10737' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netdevice_queue'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/dev.c' line='10737' column='1'/>
+ <parameter type-id='e84b031a' name='head' filepath='net/core/dev.c' line='10737' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_netevent_notifier' mangled-name='unregister_netevent_notifier' filepath='net/core/netevent.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_netevent_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='net/core/netevent.c' line='44' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_oom_notifier' mangled-name='unregister_oom_notifier' filepath='mm/oom_kill.c' line='1080' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_oom_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='mm/oom_kill.c' line='1080' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_pernet_device' mangled-name='unregister_pernet_device' filepath='net/core/net_namespace.c' line='1341' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_pernet_device'>
+ <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1341' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_pernet_subsys' mangled-name='unregister_pernet_subsys' filepath='net/core/net_namespace.c' line='1293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_pernet_subsys'>
+ <parameter type-id='d6907f4c' name='ops' filepath='net/core/net_namespace.c' line='1293' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_pm_notifier' mangled-name='unregister_pm_notifier' filepath='kernel/power/main.c' line='77' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_pm_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/power/main.c' line='77' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_qdisc' mangled-name='unregister_qdisc' filepath='net/sched/sch_api.c' line='174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_qdisc'>
+ <parameter type-id='d6369c88' name='qops' filepath='net/sched/sch_api.c' line='174' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_reboot_notifier' mangled-name='unregister_reboot_notifier' filepath='kernel/reboot.c' line='106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_reboot_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='106' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_restart_handler' mangled-name='unregister_restart_handler' filepath='kernel/reboot.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_restart_handler'>
+ <parameter type-id='d504f73d' name='nb' filepath='kernel/reboot.c' line='198' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='unregister_rpmsg_driver' mangled-name='unregister_rpmsg_driver' filepath='drivers/rpmsg/rpmsg_core.c' line='618' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_rpmsg_driver'>
+ <parameter type-id='7331a99f' name='rpdrv' filepath='drivers/rpmsg/rpmsg_core.c' line='618' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_shrinker' mangled-name='unregister_shrinker' filepath='mm/vmscan.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_shrinker'>
+ <parameter type-id='4be14597' name='shrinker' filepath='mm/vmscan.c' line='424' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_syscore_ops' mangled-name='unregister_syscore_ops' filepath='drivers/base/syscore.c' line='34' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_syscore_ops'>
+ <parameter type-id='cbd24a98' name='ops' filepath='drivers/base/syscore.c' line='34' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_sysctl_table' mangled-name='unregister_sysctl_table' filepath='fs/proc/proc_sysctl.c' line='1656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_sysctl_table'>
+ <parameter type-id='11b101bb' name='header' filepath='fs/proc/proc_sysctl.c' line='1656' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_virtio_device' mangled-name='unregister_virtio_device' filepath='drivers/virtio/virtio.c' line='392' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_virtio_device'>
+ <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='392' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_virtio_driver' mangled-name='unregister_virtio_driver' filepath='drivers/virtio/virtio.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_virtio_driver'>
+ <parameter type-id='f350dc99' name='driver' filepath='drivers/virtio/virtio.c' line='329' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='unregister_vmap_purge_notifier' mangled-name='unregister_vmap_purge_notifier' filepath='mm/vmalloc.c' line='1274' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='unregister_vmap_purge_notifier'>
+ <parameter type-id='d504f73d' name='nb' filepath='mm/vmalloc.c' line='1274' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='up' mangled-name='up' filepath='kernel/locking/semaphore.c' line='178' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='up'>
+ <parameter type-id='a965a5b5' name='sem' filepath='kernel/locking/semaphore.c' line='178' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='up_read' mangled-name='up_read' filepath='kernel/locking/rwsem.c' line='1607' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='up_read'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1607' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='up_write' mangled-name='up_write' filepath='kernel/locking/rwsem.c' line='1617' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='up_write'>
+ <parameter type-id='9b58df93' name='sem' filepath='kernel/locking/rwsem.c' line='1617' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='update_devfreq' mangled-name='update_devfreq' filepath='drivers/devfreq/devfreq.c' line='394' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='update_devfreq'>
+ <parameter type-id='f66fa7f4' name='devfreq' filepath='drivers/devfreq/devfreq.c' line='394' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='update_rq_clock' mangled-name='update_rq_clock' filepath='kernel/sched/core.c' line='316' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='update_rq_clock'>
+ <parameter type-id='6ed6b432' name='rq' filepath='kernel/sched/core.c' line='316' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_add_config' mangled-name='usb_add_config' filepath='drivers/usb/gadget/composite.c' line='1000' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_config'>
+ <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='1000' column='1'/>
+ <parameter type-id='ee27b7c6' name='config' filepath='drivers/usb/gadget/composite.c' line='1001' column='1'/>
+ <parameter type-id='82b599aa' name='bind' filepath='drivers/usb/gadget/composite.c' line='1002' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_add_function' mangled-name='usb_add_function' filepath='drivers/usb/gadget/composite.c' line='301' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_function'>
+ <parameter type-id='ee27b7c6' name='config' filepath='drivers/usb/gadget/composite.c' line='301' column='1'/>
+ <parameter type-id='e5411c2c' name='function' filepath='drivers/usb/gadget/composite.c' line='302' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_add_gadget' mangled-name='usb_add_gadget' filepath='drivers/usb/gadget/udc/core.c' line='1293' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_gadget'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1293' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_add_gadget_udc' mangled-name='usb_add_gadget_udc' filepath='drivers/usb/gadget/udc/core.c' line='1419' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_gadget_udc'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/gadget/udc/core.c' line='1419' column='1'/>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1419' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_add_hcd' mangled-name='usb_add_hcd' filepath='drivers/usb/core/hcd.c' line='2638' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_hcd'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2638' column='1'/>
+ <parameter type-id='f0981eeb' name='irqnum' filepath='drivers/usb/core/hcd.c' line='2639' column='1'/>
+ <parameter type-id='7359adad' name='irqflags' filepath='drivers/usb/core/hcd.c' line='2639' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_add_phy' mangled-name='usb_add_phy' filepath='drivers/usb/phy/phy.c' line='626' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_phy'>
+ <parameter type-id='ca9354d1' name='x' filepath='drivers/usb/phy/phy.c' line='626' column='1'/>
+ <parameter type-id='d95f4827' name='type' filepath='drivers/usb/phy/phy.c' line='626' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_add_phy_dev' mangled-name='usb_add_phy_dev' filepath='drivers/usb/phy/phy.c' line='672' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_add_phy_dev'>
+ <parameter type-id='ca9354d1' name='x' filepath='drivers/usb/phy/phy.c' line='672' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_alloc_coherent' mangled-name='usb_alloc_coherent' filepath='drivers/usb/core/usb.c' line='924' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_alloc_coherent'>
+ <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='924' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/usb/core/usb.c' line='924' column='1'/>
+ <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/usb.c' line='924' column='1'/>
+ <parameter type-id='e835b5d8' name='dma' filepath='drivers/usb/core/usb.c' line='925' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='usb_alloc_dev' mangled-name='usb_alloc_dev' filepath='drivers/usb/core/usb.c' line='574' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_alloc_dev'>
+ <parameter type-id='25e60cb2' name='parent' filepath='drivers/usb/core/usb.c' line='574' column='1'/>
+ <parameter type-id='3ab7d422' name='bus' filepath='drivers/usb/core/usb.c' line='575' column='1'/>
+ <parameter type-id='f0981eeb' name='port1' filepath='drivers/usb/core/usb.c' line='575' column='1'/>
+ <return type-id='25e60cb2'/>
+ </function-decl>
+ <function-decl name='usb_alloc_urb' mangled-name='usb_alloc_urb' filepath='drivers/usb/core/urb.c' line='70' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_alloc_urb'>
+ <parameter type-id='95e97e5e' name='iso_packets' filepath='drivers/usb/core/urb.c' line='70' column='1'/>
+ <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/urb.c' line='70' column='1'/>
+ <return type-id='ab85b8f2'/>
+ </function-decl>
+ <function-decl name='usb_amd_dev_put' mangled-name='usb_amd_dev_put' filepath='drivers/usb/host/pci-quirks.c' line='513' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_dev_put'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_amd_prefetch_quirk' mangled-name='usb_amd_prefetch_quirk' filepath='drivers/usb/host/pci-quirks.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_prefetch_quirk'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='usb_amd_pt_check_port' mangled-name='usb_amd_pt_check_port' filepath='drivers/usb/host/pci-quirks.c' line='550' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_pt_check_port'>
+ <parameter type-id='fa0b179b' name='device' filepath='drivers/usb/host/pci-quirks.c' line='550' column='1'/>
+ <parameter type-id='95e97e5e' name='port' filepath='drivers/usb/host/pci-quirks.c' line='550' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='usb_amd_quirk_pll_check' mangled-name='usb_amd_quirk_pll_check' filepath='drivers/usb/host/pci-quirks.c' line='323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_quirk_pll_check'>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='usb_amd_quirk_pll_disable' mangled-name='usb_amd_quirk_pll_disable' filepath='drivers/usb/host/pci-quirks.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_quirk_pll_disable'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_amd_quirk_pll_enable' mangled-name='usb_amd_quirk_pll_enable' filepath='drivers/usb/host/pci-quirks.c' line='507' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_amd_quirk_pll_enable'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_anchor_urb' mangled-name='usb_anchor_urb' filepath='drivers/usb/core/urb.c' line='126' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_anchor_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='126' column='1'/>
+ <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='126' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_asmedia_modifyflowcontrol' mangled-name='usb_asmedia_modifyflowcontrol' filepath='drivers/usb/host/pci-quirks.c' line='487' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_asmedia_modifyflowcontrol'>
+ <parameter type-id='85196e3f' name='pdev' filepath='drivers/usb/host/pci-quirks.c' line='487' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_assign_descriptors' mangled-name='usb_assign_descriptors' filepath='drivers/usb/gadget/config.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_assign_descriptors'>
+ <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/config.c' line='159' column='1'/>
+ <parameter type-id='f363a725' name='fs' filepath='drivers/usb/gadget/config.c' line='160' column='1'/>
+ <parameter type-id='f363a725' name='hs' filepath='drivers/usb/gadget/config.c' line='161' column='1'/>
+ <parameter type-id='f363a725' name='ss' filepath='drivers/usb/gadget/config.c' line='162' column='1'/>
+ <parameter type-id='f363a725' name='ssp' filepath='drivers/usb/gadget/config.c' line='163' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_autopm_get_interface' mangled-name='usb_autopm_get_interface' filepath='drivers/usb/core/driver.c' line='1825' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_autopm_get_interface'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/driver.c' line='1825' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_autopm_get_interface_no_resume' mangled-name='usb_autopm_get_interface_no_resume' filepath='drivers/usb/core/driver.c' line='1883' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_autopm_get_interface_no_resume'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/driver.c' line='1883' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_autopm_put_interface' mangled-name='usb_autopm_put_interface' filepath='drivers/usb/core/driver.c' line='1747' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_autopm_put_interface'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/driver.c' line='1747' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_bulk_msg' mangled-name='usb_bulk_msg' filepath='drivers/usb/core/message.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_bulk_msg'>
+ <parameter type-id='25e60cb2' name='usb_dev' filepath='drivers/usb/core/message.c' line='367' column='1'/>
+ <parameter type-id='f0981eeb' name='pipe' filepath='drivers/usb/core/message.c' line='367' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+ <parameter type-id='95e97e5e' name='len' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+ <parameter type-id='7292109c' name='actual_length' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+ <parameter type-id='95e97e5e' name='timeout' filepath='drivers/usb/core/message.c' line='368' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_calc_bus_time' mangled-name='usb_calc_bus_time' filepath='drivers/usb/core/hcd.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_calc_bus_time'>
+ <parameter type-id='95e97e5e' name='speed' filepath='drivers/usb/core/hcd.c' line='1086' column='1'/>
+ <parameter type-id='95e97e5e' name='is_input' filepath='drivers/usb/core/hcd.c' line='1086' column='1'/>
+ <parameter type-id='95e97e5e' name='isoc' filepath='drivers/usb/core/hcd.c' line='1086' column='1'/>
+ <parameter type-id='95e97e5e' name='bytecount' filepath='drivers/usb/core/hcd.c' line='1086' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='usb_choose_configuration' mangled-name='usb_choose_configuration' filepath='drivers/usb/core/generic.c' line='56' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_choose_configuration'>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/generic.c' line='56' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_composite_probe' mangled-name='usb_composite_probe' filepath='drivers/usb/gadget/composite.c' line='2461' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_composite_probe'>
+ <parameter type-id='c64e62ba' name='driver' filepath='drivers/usb/gadget/composite.c' line='2461' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_composite_setup_continue' mangled-name='usb_composite_setup_continue' filepath='drivers/usb/gadget/composite.c' line='2505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_composite_setup_continue'>
+ <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='2505' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_composite_unregister' mangled-name='usb_composite_unregister' filepath='drivers/usb/gadget/composite.c' line='2489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_composite_unregister'>
+ <parameter type-id='c64e62ba' name='driver' filepath='drivers/usb/gadget/composite.c' line='2489' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_control_msg' mangled-name='usb_control_msg' filepath='drivers/usb/core/message.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_control_msg'>
+ <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/message.c' line='136' column='1'/>
+ <parameter type-id='f0981eeb' name='pipe' filepath='drivers/usb/core/message.c' line='136' column='1'/>
+ <parameter type-id='8f048e17' name='request' filepath='drivers/usb/core/message.c' line='136' column='1'/>
+ <parameter type-id='8f048e17' name='requesttype' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+ <parameter type-id='d315442e' name='value' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+ <parameter type-id='d315442e' name='index' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/usb/core/message.c' line='137' column='1'/>
+ <parameter type-id='d315442e' name='size' filepath='drivers/usb/core/message.c' line='138' column='1'/>
+ <parameter type-id='95e97e5e' name='timeout' filepath='drivers/usb/core/message.c' line='138' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_copy_descriptors' mangled-name='usb_copy_descriptors' filepath='drivers/usb/gadget/config.c' line='122' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_copy_descriptors'>
+ <parameter type-id='f363a725' name='src' filepath='drivers/usb/gadget/config.c' line='122' column='1'/>
+ <return type-id='f363a725'/>
+ </function-decl>
+ <function-decl name='usb_create_hcd' mangled-name='usb_create_hcd' filepath='drivers/usb/core/hcd.c' line='2515' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_create_hcd'>
+ <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd.c' line='2515' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/core/hcd.c' line='2516' column='1'/>
+ <parameter type-id='80f4b756' name='bus_name' filepath='drivers/usb/core/hcd.c' line='2516' column='1'/>
+ <return type-id='fc4f83c1'/>
+ </function-decl>
+ <function-decl name='usb_create_shared_hcd' mangled-name='usb_create_shared_hcd' filepath='drivers/usb/core/hcd.c' line='2493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_create_shared_hcd'>
+ <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd.c' line='2493' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/core/hcd.c' line='2494' column='1'/>
+ <parameter type-id='80f4b756' name='bus_name' filepath='drivers/usb/core/hcd.c' line='2494' column='1'/>
+ <parameter type-id='fc4f83c1' name='primary_hcd' filepath='drivers/usb/core/hcd.c' line='2495' column='1'/>
+ <return type-id='fc4f83c1'/>
+ </function-decl>
+ <function-decl name='usb_decode_ctrl' mangled-name='usb_decode_ctrl' filepath='drivers/usb/common/debug.c' line='231' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_decode_ctrl'>
+ <parameter type-id='26a90f95' name='str' filepath='drivers/usb/common/debug.c' line='231' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/usb/common/debug.c' line='231' column='1'/>
+ <parameter type-id='8f048e17' name='bRequestType' filepath='drivers/usb/common/debug.c' line='231' column='1'/>
+ <parameter type-id='8f048e17' name='bRequest' filepath='drivers/usb/common/debug.c' line='232' column='1'/>
+ <parameter type-id='d315442e' name='wValue' filepath='drivers/usb/common/debug.c' line='232' column='1'/>
+ <parameter type-id='d315442e' name='wIndex' filepath='drivers/usb/common/debug.c' line='232' column='1'/>
+ <parameter type-id='d315442e' name='wLength' filepath='drivers/usb/common/debug.c' line='233' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='usb_del_gadget_udc' mangled-name='usb_del_gadget_udc' filepath='drivers/usb/gadget/udc/core.c' line='1485' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_del_gadget_udc'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1485' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_deregister' mangled-name='usb_deregister' filepath='drivers/usb/core/driver.c' line='1100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_deregister'>
+ <parameter type-id='46ae908a' name='driver' filepath='drivers/usb/core/driver.c' line='1100' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_deregister_dev' mangled-name='usb_deregister_dev' filepath='drivers/usb/core/file.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_deregister_dev'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/file.c' line='230' column='1'/>
+ <parameter type-id='63cfef1d' name='class_driver' filepath='drivers/usb/core/file.c' line='231' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_disable_xhci_ports' mangled-name='usb_disable_xhci_ports' filepath='drivers/usb/host/pci-quirks.c' line='1124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_disable_xhci_ports'>
+ <parameter type-id='85196e3f' name='xhci_pdev' filepath='drivers/usb/host/pci-quirks.c' line='1124' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_disabled' mangled-name='usb_disabled' filepath='drivers/usb/core/usb.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_disabled'>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_driver_claim_interface' mangled-name='usb_driver_claim_interface' filepath='drivers/usb/core/driver.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_driver_claim_interface'>
+ <parameter type-id='46ae908a' name='driver' filepath='drivers/usb/core/driver.c' line='540' column='1'/>
+ <parameter type-id='8bf48c31' name='iface' filepath='drivers/usb/core/driver.c' line='541' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/usb/core/driver.c' line='541' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_driver_release_interface' mangled-name='usb_driver_release_interface' filepath='drivers/usb/core/driver.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_driver_release_interface'>
+ <parameter type-id='46ae908a' name='driver' filepath='drivers/usb/core/driver.c' line='614' column='1'/>
+ <parameter type-id='8bf48c31' name='iface' filepath='drivers/usb/core/driver.c' line='615' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_enable_autosuspend' mangled-name='usb_enable_autosuspend' filepath='drivers/usb/core/driver.c' line='1649' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_enable_autosuspend'>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/driver.c' line='1649' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_enable_intel_xhci_ports' mangled-name='usb_enable_intel_xhci_ports' filepath='drivers/usb/host/pci-quirks.c' line='1039' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_enable_intel_xhci_ports'>
+ <parameter type-id='85196e3f' name='xhci_pdev' filepath='drivers/usb/host/pci-quirks.c' line='1039' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_ep_alloc_request' mangled-name='usb_ep_alloc_request' filepath='drivers/usb/gadget/udc/core.c' line='175' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_alloc_request'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='175' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_flags' filepath='drivers/usb/gadget/udc/core.c' line='176' column='1'/>
+ <return type-id='1a494567'/>
+ </function-decl>
+ <function-decl name='usb_ep_autoconfig' mangled-name='usb_ep_autoconfig' filepath='drivers/usb/gadget/epautoconf.c' line='149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_autoconfig'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/epautoconf.c' line='150' column='1'/>
+ <parameter type-id='a07d0491' name='desc' filepath='drivers/usb/gadget/epautoconf.c' line='151' column='1'/>
+ <return type-id='63a08bf7'/>
+ </function-decl>
+ <function-decl name='usb_ep_clear_halt' mangled-name='usb_ep_clear_halt' filepath='drivers/usb/gadget/udc/core.c' line='369' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_clear_halt'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='369' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_ep_dequeue' mangled-name='usb_ep_dequeue' filepath='drivers/usb/gadget/udc/core.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_dequeue'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='309' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='309' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_ep_disable' mangled-name='usb_ep_disable' filepath='drivers/usb/gadget/udc/core.c' line='141' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_disable'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='141' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_ep_enable' mangled-name='usb_ep_enable' filepath='drivers/usb/gadget/udc/core.c' line='96' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_enable'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='96' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_ep_fifo_flush' mangled-name='usb_ep_fifo_flush' filepath='drivers/usb/gadget/udc/core.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_fifo_flush'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='450' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_ep_fifo_status' mangled-name='usb_ep_fifo_status' filepath='drivers/usb/gadget/udc/core.c' line='424' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_fifo_status'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='424' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_ep_free_request' mangled-name='usb_ep_free_request' filepath='drivers/usb/gadget/udc/core.c' line='197' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_free_request'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='197' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='198' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_ep_queue' mangled-name='usb_ep_queue' filepath='drivers/usb/gadget/udc/core.c' line='273' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_queue'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='273' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='274' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp_flags' filepath='drivers/usb/gadget/udc/core.c' line='274' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_ep_set_halt' mangled-name='usb_ep_set_halt' filepath='drivers/usb/gadget/udc/core.c' line='343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_set_halt'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='343' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_ep_set_maxpacket_limit' mangled-name='usb_ep_set_maxpacket_limit' filepath='drivers/usb/gadget/udc/core.c' line='64' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ep_set_maxpacket_limit'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='64' column='1'/>
+ <parameter type-id='f0981eeb' name='maxpacket_limit' filepath='drivers/usb/gadget/udc/core.c' line='65' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_find_common_endpoints' mangled-name='usb_find_common_endpoints' filepath='drivers/usb/core/usb.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_find_common_endpoints'>
+ <parameter type-id='2ac920d2' name='alt' filepath='drivers/usb/core/usb.c' line='135' column='1'/>
+ <parameter type-id='5fce7261' name='bulk_in' filepath='drivers/usb/core/usb.c' line='136' column='1'/>
+ <parameter type-id='5fce7261' name='bulk_out' filepath='drivers/usb/core/usb.c' line='137' column='1'/>
+ <parameter type-id='5fce7261' name='int_in' filepath='drivers/usb/core/usb.c' line='138' column='1'/>
+ <parameter type-id='5fce7261' name='int_out' filepath='drivers/usb/core/usb.c' line='139' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_find_interface' mangled-name='usb_find_interface' filepath='drivers/usb/core/usb.c' line='352' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_find_interface'>
+ <parameter type-id='46ae908a' name='drv' filepath='drivers/usb/core/usb.c' line='352' column='1'/>
+ <parameter type-id='95e97e5e' name='minor' filepath='drivers/usb/core/usb.c' line='352' column='1'/>
+ <return type-id='8bf48c31'/>
+ </function-decl>
+ <function-decl name='usb_free_all_descriptors' mangled-name='usb_free_all_descriptors' filepath='drivers/usb/gadget/config.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_free_all_descriptors'>
+ <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/config.c' line='202' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_free_coherent' mangled-name='usb_free_coherent' filepath='drivers/usb/core/usb.c' line='944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_free_coherent'>
+ <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='944' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='drivers/usb/core/usb.c' line='944' column='1'/>
+ <parameter type-id='eaa32e2f' name='addr' filepath='drivers/usb/core/usb.c' line='944' column='1'/>
+ <parameter type-id='cf29c9b3' name='dma' filepath='drivers/usb/core/usb.c' line='945' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_free_urb' mangled-name='usb_free_urb' filepath='drivers/usb/core/urb.c' line='93' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_free_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='93' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_function_register' mangled-name='usb_function_register' filepath='drivers/usb/gadget/functions.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_function_register'>
+ <parameter type-id='f666bcc1' name='newf' filepath='drivers/usb/gadget/functions.c' line='91' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_function_unregister' mangled-name='usb_function_unregister' filepath='drivers/usb/gadget/functions.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_function_unregister'>
+ <parameter type-id='f666bcc1' name='fd' filepath='drivers/usb/gadget/functions.c' line='111' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_gadget_connect' mangled-name='usb_gadget_connect' filepath='drivers/usb/gadget/udc/core.c' line='669' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_connect'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='669' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_disconnect' mangled-name='usb_gadget_disconnect' filepath='drivers/usb/gadget/udc/core.c' line='711' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_disconnect'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='711' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_giveback_request' mangled-name='usb_gadget_giveback_request' filepath='drivers/usb/gadget/udc/core.c' line='907' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_giveback_request'>
+ <parameter type-id='63a08bf7' name='ep' filepath='drivers/usb/gadget/udc/core.c' line='907' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='908' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_gadget_map_request' mangled-name='usb_gadget_map_request' filepath='drivers/usb/gadget/udc/core.c' line='860' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_map_request'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='860' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='861' column='1'/>
+ <parameter type-id='95e97e5e' name='is_in' filepath='drivers/usb/gadget/udc/core.c' line='861' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_map_request_by_dev' mangled-name='usb_gadget_map_request_by_dev' filepath='drivers/usb/gadget/udc/core.c' line='819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_map_request_by_dev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/gadget/udc/core.c' line='819' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='820' column='1'/>
+ <parameter type-id='95e97e5e' name='is_in' filepath='drivers/usb/gadget/udc/core.c' line='820' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_probe_driver' mangled-name='usb_gadget_probe_driver' filepath='drivers/usb/gadget/udc/core.c' line='1530' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_probe_driver'>
+ <parameter type-id='9762ede1' name='driver' filepath='drivers/usb/gadget/udc/core.c' line='1530' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_set_selfpowered' mangled-name='usb_gadget_set_selfpowered' filepath='drivers/usb/gadget/udc/core.c' line='520' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_set_selfpowered'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='520' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_set_state' mangled-name='usb_gadget_set_state' filepath='drivers/usb/gadget/udc/core.c' line='1039' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_set_state'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1039' column='1'/>
+ <parameter type-id='901a91cb' name='state' filepath='drivers/usb/gadget/udc/core.c' line='1040' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_gadget_udc_reset' mangled-name='usb_gadget_udc_reset' filepath='drivers/usb/gadget/udc/core.c' line='1086' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_udc_reset'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1086' column='1'/>
+ <parameter type-id='9762ede1' name='driver' filepath='drivers/usb/gadget/udc/core.c' line='1087' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_gadget_unmap_request' mangled-name='usb_gadget_unmap_request' filepath='drivers/usb/gadget/udc/core.c' line='886' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_unmap_request'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='886' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='887' column='1'/>
+ <parameter type-id='95e97e5e' name='is_in' filepath='drivers/usb/gadget/udc/core.c' line='887' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_gadget_unmap_request_by_dev' mangled-name='usb_gadget_unmap_request_by_dev' filepath='drivers/usb/gadget/udc/core.c' line='867' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_unmap_request_by_dev'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/gadget/udc/core.c' line='867' column='1'/>
+ <parameter type-id='1a494567' name='req' filepath='drivers/usb/gadget/udc/core.c' line='868' column='1'/>
+ <parameter type-id='95e97e5e' name='is_in' filepath='drivers/usb/gadget/udc/core.c' line='868' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_gadget_unregister_driver' mangled-name='usb_gadget_unregister_driver' filepath='drivers/usb/gadget/udc/core.c' line='1577' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_unregister_driver'>
+ <parameter type-id='9762ede1' name='driver' filepath='drivers/usb/gadget/udc/core.c' line='1577' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_vbus_connect' mangled-name='usb_gadget_vbus_connect' filepath='drivers/usb/gadget/udc/core.c' line='579' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_vbus_connect'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='579' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_vbus_disconnect' mangled-name='usb_gadget_vbus_disconnect' filepath='drivers/usb/gadget/udc/core.c' line='640' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_vbus_disconnect'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='640' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_vbus_draw' mangled-name='usb_gadget_vbus_draw' filepath='drivers/usb/gadget/udc/core.c' line='609' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_vbus_draw'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='609' column='1'/>
+ <parameter type-id='f0981eeb' name='mA' filepath='drivers/usb/gadget/udc/core.c' line='609' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_gadget_wakeup' mangled-name='usb_gadget_wakeup' filepath='drivers/usb/gadget/udc/core.c' line='493' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gadget_wakeup'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='493' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_get_dev' mangled-name='usb_get_dev' filepath='drivers/usb/core/usb.c' line='694' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_dev'>
+ <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='694' column='1'/>
+ <return type-id='25e60cb2'/>
+ </function-decl>
+ <function-decl name='usb_get_dr_mode' mangled-name='usb_get_dr_mode' filepath='drivers/usb/common/common.c' line='190' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_dr_mode'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/common/common.c' line='190' column='1'/>
+ <return type-id='d291aaf1'/>
+ </function-decl>
+ <function-decl name='usb_get_from_anchor' mangled-name='usb_get_from_anchor' filepath='drivers/usb/core/urb.c' line='970' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_from_anchor'>
+ <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='970' column='1'/>
+ <return type-id='ab85b8f2'/>
+ </function-decl>
+ <function-decl name='usb_get_function' mangled-name='usb_get_function' filepath='drivers/usb/gadget/functions.c' line='57' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_function'>
+ <parameter type-id='6614aa5e' name='fi' filepath='drivers/usb/gadget/functions.c' line='57' column='1'/>
+ <return type-id='e5411c2c'/>
+ </function-decl>
+ <function-decl name='usb_get_function_instance' mangled-name='usb_get_function_instance' filepath='drivers/usb/gadget/functions.c' line='39' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_function_instance'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/usb/gadget/functions.c' line='39' column='1'/>
+ <return type-id='6614aa5e'/>
+ </function-decl>
+ <function-decl name='usb_get_gadget_udc_name' mangled-name='usb_get_gadget_udc_name' filepath='drivers/usb/gadget/udc/core.c' line='1393' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_gadget_udc_name'>
+ <return type-id='26a90f95'/>
+ </function-decl>
+ <function-decl name='usb_get_intf' mangled-name='usb_get_intf' filepath='drivers/usb/core/usb.c' line='728' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_intf'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/usb.c' line='728' column='1'/>
+ <return type-id='8bf48c31'/>
+ </function-decl>
+ <function-decl name='usb_get_maximum_speed' mangled-name='usb_get_maximum_speed' filepath='drivers/usb/common/common.c' line='107' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_maximum_speed'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/common/common.c' line='107' column='1'/>
+ <return type-id='4e532009'/>
+ </function-decl>
+ <function-decl name='usb_get_urb' mangled-name='usb_get_urb' filepath='drivers/usb/core/urb.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_get_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='110' column='1'/>
+ <return type-id='ab85b8f2'/>
+ </function-decl>
+ <function-decl name='usb_gstrings_attach' mangled-name='usb_gstrings_attach' filepath='drivers/usb/gadget/composite.c' line='1388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_gstrings_attach'>
+ <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='1388' column='1'/>
+ <parameter type-id='fa0eba8f' name='sp' filepath='drivers/usb/gadget/composite.c' line='1389' column='1'/>
+ <parameter type-id='f0981eeb' name='n_strings' filepath='drivers/usb/gadget/composite.c' line='1389' column='1'/>
+ <return type-id='3b7e997b'/>
+ </function-decl>
+ <function-decl name='usb_hc_died' mangled-name='usb_hc_died' filepath='drivers/usb/core/hcd.c' line='2364' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hc_died'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2364' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_check_unlink_urb' mangled-name='usb_hcd_check_unlink_urb' filepath='drivers/usb/core/hcd.c' line='1203' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_check_unlink_urb'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1203' column='1'/>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1203' column='1'/>
+ <parameter type-id='95e97e5e' name='status' filepath='drivers/usb/core/hcd.c' line='1204' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_hcd_end_port_resume' mangled-name='usb_hcd_end_port_resume' filepath='drivers/usb/core/hcd.c' line='1060' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_end_port_resume'>
+ <parameter type-id='3ab7d422' name='bus' filepath='drivers/usb/core/hcd.c' line='1060' column='1'/>
+ <parameter type-id='95e97e5e' name='portnum' filepath='drivers/usb/core/hcd.c' line='1060' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_giveback_urb' mangled-name='usb_hcd_giveback_urb' filepath='drivers/usb/core/hcd.c' line='1713' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_giveback_urb'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1713' column='1'/>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1713' column='1'/>
+ <parameter type-id='95e97e5e' name='status' filepath='drivers/usb/core/hcd.c' line='1713' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_irq' mangled-name='usb_hcd_irq' filepath='drivers/usb/core/hcd.c' line='2323' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_irq'>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/usb/core/hcd.c' line='2323' column='1'/>
+ <parameter type-id='eaa32e2f' name='__hcd' filepath='drivers/usb/core/hcd.c' line='2323' column='1'/>
+ <return type-id='4bdecfd7'/>
+ </function-decl>
+ <function-decl name='usb_hcd_is_primary_hcd' mangled-name='usb_hcd_is_primary_hcd' filepath='drivers/usb/core/hcd.c' line='2564' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_is_primary_hcd'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2564' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_hcd_link_urb_to_ep' mangled-name='usb_hcd_link_urb_to_ep' filepath='drivers/usb/core/hcd.c' line='1145' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_link_urb_to_ep'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1145' column='1'/>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1145' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_hcd_map_urb_for_dma' mangled-name='usb_hcd_map_urb_for_dma' filepath='drivers/usb/core/hcd.c' line='1398' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_map_urb_for_dma'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1398' column='1'/>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1398' column='1'/>
+ <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/hcd.c' line='1399' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='usb_hcd_pci_pm_ops' type-id='86af1d10' mangled-name='usb_hcd_pci_pm_ops' visibility='default' filepath='drivers/usb/core/hcd-pci.c' line='612' column='1' elf-symbol-id='usb_hcd_pci_pm_ops'/>
+ <function-decl name='usb_hcd_pci_probe' mangled-name='usb_hcd_pci_probe' filepath='drivers/usb/core/hcd-pci.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_pci_probe'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/usb/core/hcd-pci.c' line='173' column='1'/>
+ <parameter type-id='92fc8aa5' name='id' filepath='drivers/usb/core/hcd-pci.c' line='173' column='1'/>
+ <parameter type-id='5aa12c86' name='driver' filepath='drivers/usb/core/hcd-pci.c' line='174' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_hcd_pci_remove' mangled-name='usb_hcd_pci_remove' filepath='drivers/usb/core/hcd-pci.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_pci_remove'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/usb/core/hcd-pci.c' line='315' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_pci_shutdown' mangled-name='usb_hcd_pci_shutdown' filepath='drivers/usb/core/hcd-pci.c' line='363' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_pci_shutdown'>
+ <parameter type-id='85196e3f' name='dev' filepath='drivers/usb/core/hcd-pci.c' line='363' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_platform_shutdown' mangled-name='usb_hcd_platform_shutdown' filepath='drivers/usb/core/hcd.c' line='2913' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_platform_shutdown'>
+ <parameter type-id='db362995' name='dev' filepath='drivers/usb/core/hcd.c' line='2913' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_poll_rh_status' mangled-name='usb_hcd_poll_rh_status' filepath='drivers/usb/core/hcd.c' line='753' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_poll_rh_status'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='753' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_resume_root_hub' mangled-name='usb_hcd_resume_root_hub' filepath='drivers/usb/core/hcd.c' line='2254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_resume_root_hub'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2254' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_start_port_resume' mangled-name='usb_hcd_start_port_resume' filepath='drivers/usb/core/hcd.c' line='1038' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_start_port_resume'>
+ <parameter type-id='3ab7d422' name='bus' filepath='drivers/usb/core/hcd.c' line='1038' column='1'/>
+ <parameter type-id='95e97e5e' name='portnum' filepath='drivers/usb/core/hcd.c' line='1038' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_unlink_urb_from_ep' mangled-name='usb_hcd_unlink_urb_from_ep' filepath='drivers/usb/core/hcd.c' line='1236' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_unlink_urb_from_ep'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1236' column='1'/>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1236' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_hcd_unmap_urb_for_dma' mangled-name='usb_hcd_unmap_urb_for_dma' filepath='drivers/usb/core/hcd.c' line='1351' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hcd_unmap_urb_for_dma'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='1351' column='1'/>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hcd.c' line='1351' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='usb_hcds_loaded' type-id='7359adad' mangled-name='usb_hcds_loaded' visibility='default' filepath='drivers/usb/core/hcd.c' line='81' column='1' elf-symbol-id='usb_hcds_loaded'/>
+ <function-decl name='usb_hub_clear_tt_buffer' mangled-name='usb_hub_clear_tt_buffer' filepath='drivers/usb/core/hub.c' line='864' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hub_clear_tt_buffer'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/hub.c' line='864' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_hub_find_child' mangled-name='usb_hub_find_child' filepath='drivers/usb/core/hub.c' line='6117' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_hub_find_child'>
+ <parameter type-id='25e60cb2' name='hdev' filepath='drivers/usb/core/hub.c' line='6117' column='1'/>
+ <parameter type-id='95e97e5e' name='port1' filepath='drivers/usb/core/hub.c' line='6118' column='1'/>
+ <return type-id='25e60cb2'/>
+ </function-decl>
+ <function-decl name='usb_ifnum_to_if' mangled-name='usb_ifnum_to_if' filepath='drivers/usb/core/usb.c' line='272' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_ifnum_to_if'>
+ <parameter type-id='ca2b80c9' name='dev' filepath='drivers/usb/core/usb.c' line='272' column='1'/>
+ <parameter type-id='f0981eeb' name='ifnum' filepath='drivers/usb/core/usb.c' line='273' column='1'/>
+ <return type-id='8bf48c31'/>
+ </function-decl>
+ <function-decl name='usb_initialize_gadget' mangled-name='usb_initialize_gadget' filepath='drivers/usb/gadget/udc/core.c' line='1270' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_initialize_gadget'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/gadget/udc/core.c' line='1270' column='1'/>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1270' column='1'/>
+ <parameter type-id='dd787f72' name='release' filepath='drivers/usb/gadget/udc/core.c' line='1271' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_interface_id' mangled-name='usb_interface_id' filepath='drivers/usb/gadget/composite.c' line='466' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_interface_id'>
+ <parameter type-id='ee27b7c6' name='config' filepath='drivers/usb/gadget/composite.c' line='466' column='1'/>
+ <parameter type-id='e5411c2c' name='function' filepath='drivers/usb/gadget/composite.c' line='467' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_kill_anchored_urbs' mangled-name='usb_kill_anchored_urbs' filepath='drivers/usb/core/urb.c' line='800' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_kill_anchored_urbs'>
+ <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='800' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_kill_urb' mangled-name='usb_kill_urb' filepath='drivers/usb/core/urb.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_kill_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='703' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_match_id' mangled-name='usb_match_id' filepath='drivers/usb/core/driver.c' line='807' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_match_id'>
+ <parameter type-id='8bf48c31' name='interface' filepath='drivers/usb/core/driver.c' line='807' column='1'/>
+ <parameter type-id='bc57058f' name='id' filepath='drivers/usb/core/driver.c' line='808' column='1'/>
+ <return type-id='bc57058f'/>
+ </function-decl>
+ <function-decl name='usb_match_one_id' mangled-name='usb_match_one_id' filepath='drivers/usb/core/driver.c' line='714' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_match_one_id'>
+ <parameter type-id='8bf48c31' name='interface' filepath='drivers/usb/core/driver.c' line='714' column='1'/>
+ <parameter type-id='bc57058f' name='id' filepath='drivers/usb/core/driver.c' line='715' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_os_desc_prepare_interf_dir' mangled-name='usb_os_desc_prepare_interf_dir' filepath='drivers/usb/gadget/configfs.c' line='1228' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_os_desc_prepare_interf_dir'>
+ <parameter type-id='97aff453' name='parent' filepath='drivers/usb/gadget/configfs.c' line='1229' column='1'/>
+ <parameter type-id='95e97e5e' name='n_interf' filepath='drivers/usb/gadget/configfs.c' line='1230' column='1'/>
+ <parameter type-id='b6338998' name='desc' filepath='drivers/usb/gadget/configfs.c' line='1231' column='1'/>
+ <parameter type-id='9b23c9ad' name='names' filepath='drivers/usb/gadget/configfs.c' line='1232' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/usb/gadget/configfs.c' line='1233' column='1'/>
+ <return type-id='97aff453'/>
+ </function-decl>
+ <function-decl name='usb_otg_state_string' mangled-name='usb_otg_state_string' filepath='drivers/usb/common/common.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_otg_state_string'>
+ <parameter type-id='4c0c8157' name='state' filepath='drivers/usb/common/common.c' line='43' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='usb_phy_get_charger_current' mangled-name='usb_phy_get_charger_current' filepath='drivers/usb/phy/phy.c' line='242' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_phy_get_charger_current'>
+ <parameter type-id='ca9354d1' name='usb_phy' filepath='drivers/usb/phy/phy.c' line='242' column='1'/>
+ <parameter type-id='807869d3' name='min' filepath='drivers/usb/phy/phy.c' line='243' column='1'/>
+ <parameter type-id='807869d3' name='max' filepath='drivers/usb/phy/phy.c' line='243' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_phy_set_charger_current' mangled-name='usb_phy_set_charger_current' filepath='drivers/usb/phy/phy.c' line='193' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_phy_set_charger_current'>
+ <parameter type-id='ca9354d1' name='usb_phy' filepath='drivers/usb/phy/phy.c' line='193' column='1'/>
+ <parameter type-id='f0981eeb' name='mA' filepath='drivers/usb/phy/phy.c' line='193' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_phy_set_charger_state' mangled-name='usb_phy_set_charger_state' filepath='drivers/usb/phy/phy.c' line='279' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_phy_set_charger_state'>
+ <parameter type-id='ca9354d1' name='usb_phy' filepath='drivers/usb/phy/phy.c' line='279' column='1'/>
+ <parameter type-id='6d659af5' name='state' filepath='drivers/usb/phy/phy.c' line='280' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_phy_set_event' mangled-name='usb_phy_set_event' filepath='drivers/usb/phy/phy.c' line='721' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_phy_set_event'>
+ <parameter type-id='ca9354d1' name='x' filepath='drivers/usb/phy/phy.c' line='721' column='1'/>
+ <parameter type-id='7359adad' name='event' filepath='drivers/usb/phy/phy.c' line='721' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_poison_anchored_urbs' mangled-name='usb_poison_anchored_urbs' filepath='drivers/usb/core/urb.c' line='838' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_poison_anchored_urbs'>
+ <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='838' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_poison_urb' mangled-name='usb_poison_urb' filepath='drivers/usb/core/urb.c' line='744' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_poison_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='744' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_put_dev' mangled-name='usb_put_dev' filepath='drivers/usb/core/usb.c' line='709' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_dev'>
+ <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/usb.c' line='709' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_put_function' mangled-name='usb_put_function' filepath='drivers/usb/gadget/functions.c' line='82' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_function'>
+ <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/functions.c' line='82' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_put_function_instance' mangled-name='usb_put_function_instance' filepath='drivers/usb/gadget/functions.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_function_instance'>
+ <parameter type-id='6614aa5e' name='fi' filepath='drivers/usb/gadget/functions.c' line='69' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_put_hcd' mangled-name='usb_put_hcd' filepath='drivers/usb/core/hcd.c' line='2557' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_hcd'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2557' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_put_intf' mangled-name='usb_put_intf' filepath='drivers/usb/core/usb.c' line='744' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_put_intf'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/usb.c' line='744' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_queue_reset_device' mangled-name='usb_queue_reset_device' filepath='drivers/usb/core/hub.c' line='6097' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_queue_reset_device'>
+ <parameter type-id='8bf48c31' name='iface' filepath='drivers/usb/core/hub.c' line='6097' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_register_dev' mangled-name='usb_register_dev' filepath='drivers/usb/core/file.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_register_dev'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/usb/core/file.c' line='156' column='1'/>
+ <parameter type-id='63cfef1d' name='class_driver' filepath='drivers/usb/core/file.c' line='157' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_register_driver' mangled-name='usb_register_driver' filepath='drivers/usb/core/driver.c' line='1047' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_register_driver'>
+ <parameter type-id='46ae908a' name='new_driver' filepath='drivers/usb/core/driver.c' line='1047' column='1'/>
+ <parameter type-id='2730d015' name='owner' filepath='drivers/usb/core/driver.c' line='1047' column='1'/>
+ <parameter type-id='80f4b756' name='mod_name' filepath='drivers/usb/core/driver.c' line='1048' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_register_notify' mangled-name='usb_register_notify' filepath='drivers/usb/core/notify.c' line='29' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_register_notify'>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/usb/core/notify.c' line='29' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_remove_function' mangled-name='usb_remove_function' filepath='drivers/usb/gadget/composite.c' line='354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_remove_function'>
+ <parameter type-id='ee27b7c6' name='c' filepath='drivers/usb/gadget/composite.c' line='354' column='1'/>
+ <parameter type-id='e5411c2c' name='f' filepath='drivers/usb/gadget/composite.c' line='354' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_remove_hcd' mangled-name='usb_remove_hcd' filepath='drivers/usb/core/hcd.c' line='2845' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_remove_hcd'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/core/hcd.c' line='2845' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_remove_phy' mangled-name='usb_remove_phy' filepath='drivers/usb/phy/phy.c' line='703' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_remove_phy'>
+ <parameter type-id='ca9354d1' name='x' filepath='drivers/usb/phy/phy.c' line='703' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_role_switch_find_by_fwnode' mangled-name='usb_role_switch_find_by_fwnode' filepath='drivers/usb/roles/class.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_find_by_fwnode'>
+ <parameter type-id='7837cd88' name='fwnode' filepath='drivers/usb/roles/class.c' line='184' column='1'/>
+ <return type-id='3e3cd44f'/>
+ </function-decl>
+ <function-decl name='usb_role_switch_get' mangled-name='usb_role_switch_get' filepath='drivers/usb/roles/class.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_get'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/usb/roles/class.c' line='123' column='1'/>
+ <return type-id='3e3cd44f'/>
+ </function-decl>
+ <function-decl name='usb_role_switch_get_drvdata' mangled-name='usb_role_switch_get_drvdata' filepath='drivers/usb/roles/class.c' line='376' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_get_drvdata'>
+ <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='376' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='usb_role_switch_put' mangled-name='usb_role_switch_put' filepath='drivers/usb/roles/class.c' line='167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_put'>
+ <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='167' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_role_switch_register' mangled-name='usb_role_switch_register' filepath='drivers/usb/roles/class.c' line='306' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_register'>
+ <parameter type-id='fa0b179b' name='parent' filepath='drivers/usb/roles/class.c' line='306' column='1'/>
+ <parameter type-id='143d32b2' name='desc' filepath='drivers/usb/roles/class.c' line='307' column='1'/>
+ <return type-id='3e3cd44f'/>
+ </function-decl>
+ <function-decl name='usb_role_switch_set_role' mangled-name='usb_role_switch_set_role' filepath='drivers/usb/roles/class.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_set_role'>
+ <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='42' column='1'/>
+ <parameter type-id='c675b073' name='role' filepath='drivers/usb/roles/class.c' line='42' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_role_switch_unregister' mangled-name='usb_role_switch_unregister' filepath='drivers/usb/roles/class.c' line='354' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_role_switch_unregister'>
+ <parameter type-id='3e3cd44f' name='sw' filepath='drivers/usb/roles/class.c' line='354' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_root_hub_lost_power' mangled-name='usb_root_hub_lost_power' filepath='drivers/usb/core/hub.c' line='3845' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_root_hub_lost_power'>
+ <parameter type-id='25e60cb2' name='rhdev' filepath='drivers/usb/core/hub.c' line='3845' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_scuttle_anchored_urbs' mangled-name='usb_scuttle_anchored_urbs' filepath='drivers/usb/core/urb.c' line='997' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_scuttle_anchored_urbs'>
+ <parameter type-id='bd300bf3' name='anchor' filepath='drivers/usb/core/urb.c' line='997' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_set_device_state' mangled-name='usb_set_device_state' filepath='drivers/usb/core/hub.c' line='2042' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_set_device_state'>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/hub.c' line='2042' column='1'/>
+ <parameter type-id='901a91cb' name='new_state' filepath='drivers/usb/core/hub.c' line='2043' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_set_interface' mangled-name='usb_set_interface' filepath='drivers/usb/core/message.c' line='1523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_set_interface'>
+ <parameter type-id='25e60cb2' name='dev' filepath='drivers/usb/core/message.c' line='1523' column='1'/>
+ <parameter type-id='95e97e5e' name='interface' filepath='drivers/usb/core/message.c' line='1523' column='1'/>
+ <parameter type-id='95e97e5e' name='alternate' filepath='drivers/usb/core/message.c' line='1523' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_show_dynids' mangled-name='usb_show_dynids' filepath='drivers/usb/core/driver.c' line='115' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_show_dynids'>
+ <parameter type-id='32c73a29' name='dynids' filepath='drivers/usb/core/driver.c' line='115' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='drivers/usb/core/driver.c' line='115' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='usb_speed_string' mangled-name='usb_speed_string' filepath='drivers/usb/common/common.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_speed_string'>
+ <parameter type-id='4e532009' name='speed' filepath='drivers/usb/common/common.c' line='91' column='1'/>
+ <return type-id='80f4b756'/>
+ </function-decl>
+ <function-decl name='usb_store_new_id' mangled-name='usb_store_new_id' filepath='drivers/usb/core/driver.c' line='43' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_store_new_id'>
+ <parameter type-id='32c73a29' name='dynids' filepath='drivers/usb/core/driver.c' line='43' column='1'/>
+ <parameter type-id='bc57058f' name='id_table' filepath='drivers/usb/core/driver.c' line='44' column='1'/>
+ <parameter type-id='00c7b870' name='driver' filepath='drivers/usb/core/driver.c' line='45' column='1'/>
+ <parameter type-id='80f4b756' name='buf' filepath='drivers/usb/core/driver.c' line='46' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='drivers/usb/core/driver.c' line='46' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='usb_string_id' mangled-name='usb_string_id' filepath='drivers/usb/gadget/composite.c' line='1275' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_string_id'>
+ <parameter type-id='2a895c01' name='cdev' filepath='drivers/usb/gadget/composite.c' line='1275' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_submit_urb' mangled-name='usb_submit_urb' filepath='drivers/usb/core/urb.c' line='367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_submit_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='367' column='1'/>
+ <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/core/urb.c' line='367' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usb_udc_vbus_handler' mangled-name='usb_udc_vbus_handler' filepath='drivers/usb/gadget/udc/core.c' line='1066' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_udc_vbus_handler'>
+ <parameter type-id='49a58c0c' name='gadget' filepath='drivers/usb/gadget/udc/core.c' line='1066' column='1'/>
+ <parameter type-id='b50a4934' name='status' filepath='drivers/usb/gadget/udc/core.c' line='1066' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_unanchor_urb' mangled-name='usb_unanchor_urb' filepath='drivers/usb/core/urb.c' line='164' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_unanchor_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='164' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_unpoison_urb' mangled-name='usb_unpoison_urb' filepath='drivers/usb/core/urb.c' line='759' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_unpoison_urb'>
+ <parameter type-id='ab85b8f2' name='urb' filepath='drivers/usb/core/urb.c' line='759' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_unregister_notify' mangled-name='usb_unregister_notify' filepath='drivers/usb/core/notify.c' line='42' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_unregister_notify'>
+ <parameter type-id='d504f73d' name='nb' filepath='drivers/usb/core/notify.c' line='42' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usb_wakeup_enabled_descendants' mangled-name='usb_wakeup_enabled_descendants' filepath='drivers/usb/core/hub.c' line='3227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_wakeup_enabled_descendants'>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/core/hub.c' line='3227' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='usb_wakeup_notification' mangled-name='usb_wakeup_notification' filepath='drivers/usb/core/hub.c' line='695' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usb_wakeup_notification'>
+ <parameter type-id='25e60cb2' name='hdev' filepath='drivers/usb/core/hub.c' line='695' column='1'/>
+ <parameter type-id='f0981eeb' name='portnum' filepath='drivers/usb/core/hub.c' line='696' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_change_mtu' mangled-name='usbnet_change_mtu' filepath='drivers/net/usb/usbnet.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_change_mtu'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='375' column='1'/>
+ <parameter type-id='95e97e5e' name='new_mtu' filepath='drivers/net/usb/usbnet.c' line='375' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_defer_kevent' mangled-name='usbnet_defer_kevent' filepath='drivers/net/usb/usbnet.c' line='451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_defer_kevent'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='451' column='1'/>
+ <parameter type-id='95e97e5e' name='work' filepath='drivers/net/usb/usbnet.c' line='451' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_disconnect' mangled-name='usbnet_disconnect' filepath='drivers/net/usb/usbnet.c' line='1567' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_disconnect'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='1567' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_get_drvinfo' mangled-name='usbnet_get_drvinfo' filepath='drivers/net/usb/usbnet.c' line='1020' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_drvinfo'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1020' column='1'/>
+ <parameter type-id='8c4c4029' name='info' filepath='drivers/net/usb/usbnet.c' line='1020' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_get_endpoints' mangled-name='usbnet_get_endpoints' filepath='drivers/net/usb/usbnet.c' line='78' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_endpoints'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='78' column='1'/>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='78' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_get_link' mangled-name='usbnet_get_link' filepath='drivers/net/usb/usbnet.c' line='992' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_link'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='992' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='usbnet_get_link_ksettings' mangled-name='usbnet_get_link_ksettings' filepath='drivers/net/usb/usbnet.c' line='947' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_link_ksettings'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='947' column='1'/>
+ <parameter type-id='70de91e2' name='cmd' filepath='drivers/net/usb/usbnet.c' line='948' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_get_msglevel' mangled-name='usbnet_get_msglevel' filepath='drivers/net/usb/usbnet.c' line='1031' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_msglevel'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1031' column='1'/>
+ <return type-id='19c2251e'/>
+ </function-decl>
+ <function-decl name='usbnet_get_stats64' mangled-name='usbnet_get_stats64' filepath='drivers/net/usb/usbnet.c' line='983' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_get_stats64'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='983' column='1'/>
+ <parameter type-id='bd3860fe' name='stats' filepath='drivers/net/usb/usbnet.c' line='983' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_link_change' mangled-name='usbnet_link_change' filepath='drivers/net/usb/usbnet.c' line='1945' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_link_change'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='1945' column='1'/>
+ <parameter type-id='b50a4934' name='link' filepath='drivers/net/usb/usbnet.c' line='1945' column='1'/>
+ <parameter type-id='b50a4934' name='need_reset' filepath='drivers/net/usb/usbnet.c' line='1945' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_nway_reset' mangled-name='usbnet_nway_reset' filepath='drivers/net/usb/usbnet.c' line='1009' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_nway_reset'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1009' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_open' mangled-name='usbnet_open' filepath='drivers/net/usb/usbnet.c' line='858' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_open'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='858' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_probe' mangled-name='usbnet_probe' filepath='drivers/net/usb/usbnet.c' line='1629' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_probe'>
+ <parameter type-id='8bf48c31' name='udev' filepath='drivers/net/usb/usbnet.c' line='1629' column='1'/>
+ <parameter type-id='bc57058f' name='prod' filepath='drivers/net/usb/usbnet.c' line='1629' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_read_cmd' mangled-name='usbnet_read_cmd' filepath='drivers/net/usb/usbnet.c' line='2028' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_read_cmd'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2028' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2028' column='1'/>
+ <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2028' column='1'/>
+ <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2029' column='1'/>
+ <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2029' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2029' column='1'/>
+ <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2029' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_read_cmd_nopm' mangled-name='usbnet_read_cmd_nopm' filepath='drivers/net/usb/usbnet.c' line='2064' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_read_cmd_nopm'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2064' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2064' column='1'/>
+ <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2064' column='1'/>
+ <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2065' column='1'/>
+ <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2065' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2065' column='1'/>
+ <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2065' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_resume' mangled-name='usbnet_resume' filepath='drivers/net/usb/usbnet.c' line='1868' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_resume'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='1868' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_set_link_ksettings' mangled-name='usbnet_set_link_ksettings' filepath='drivers/net/usb/usbnet.c' line='961' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_set_link_ksettings'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='961' column='1'/>
+ <parameter type-id='b2c34f11' name='cmd' filepath='drivers/net/usb/usbnet.c' line='962' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_set_msglevel' mangled-name='usbnet_set_msglevel' filepath='drivers/net/usb/usbnet.c' line='1039' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_set_msglevel'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1039' column='1'/>
+ <parameter type-id='19c2251e' name='level' filepath='drivers/net/usb/usbnet.c' line='1039' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_skb_return' mangled-name='usbnet_skb_return' filepath='drivers/net/usb/usbnet.c' line='305' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_skb_return'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='305' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/usb/usbnet.c' line='305' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_start_xmit' mangled-name='usbnet_start_xmit' filepath='drivers/net/usb/usbnet.c' line='1321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_start_xmit'>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='drivers/net/usb/usbnet.c' line='1321' column='1'/>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1322' column='1'/>
+ <return type-id='6849a88c'/>
+ </function-decl>
+ <function-decl name='usbnet_stop' mangled-name='usbnet_stop' filepath='drivers/net/usb/usbnet.c' line='796' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_stop'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='796' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_suspend' mangled-name='usbnet_suspend' filepath='drivers/net/usb/usbnet.c' line='1835' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_suspend'>
+ <parameter type-id='8bf48c31' name='intf' filepath='drivers/net/usb/usbnet.c' line='1835' column='1'/>
+ <parameter type-id='08496218' name='message' filepath='drivers/net/usb/usbnet.c' line='1835' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_tx_timeout' mangled-name='usbnet_tx_timeout' filepath='drivers/net/usb/usbnet.c' line='1271' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_tx_timeout'>
+ <parameter type-id='68a2d05b' name='net' filepath='drivers/net/usb/usbnet.c' line='1271' column='1'/>
+ <parameter type-id='f0981eeb' name='txqueue' filepath='drivers/net/usb/usbnet.c' line='1271' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_unlink_rx_urbs' mangled-name='usbnet_unlink_rx_urbs' filepath='drivers/net/usb/usbnet.c' line='749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_unlink_rx_urbs'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='749' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_update_max_qlen' mangled-name='usbnet_update_max_qlen' filepath='drivers/net/usb/usbnet.c' line='340' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_update_max_qlen'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='340' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='usbnet_write_cmd' mangled-name='usbnet_write_cmd' filepath='drivers/net/usb/usbnet.c' line='2046' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_write_cmd'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2046' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2046' column='1'/>
+ <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2046' column='1'/>
+ <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2047' column='1'/>
+ <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2047' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2047' column='1'/>
+ <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2047' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_write_cmd_async' mangled-name='usbnet_write_cmd_async' filepath='drivers/net/usb/usbnet.c' line='2102' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_write_cmd_async'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2102' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2102' column='1'/>
+ <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2102' column='1'/>
+ <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2103' column='1'/>
+ <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2103' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2103' column='1'/>
+ <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2103' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usbnet_write_cmd_nopm' mangled-name='usbnet_write_cmd_nopm' filepath='drivers/net/usb/usbnet.c' line='2076' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usbnet_write_cmd_nopm'>
+ <parameter type-id='12884b9a' name='dev' filepath='drivers/net/usb/usbnet.c' line='2076' column='1'/>
+ <parameter type-id='f9b06939' name='cmd' filepath='drivers/net/usb/usbnet.c' line='2076' column='1'/>
+ <parameter type-id='f9b06939' name='reqtype' filepath='drivers/net/usb/usbnet.c' line='2076' column='1'/>
+ <parameter type-id='1dc6a898' name='value' filepath='drivers/net/usb/usbnet.c' line='2077' column='1'/>
+ <parameter type-id='1dc6a898' name='index' filepath='drivers/net/usb/usbnet.c' line='2077' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/net/usb/usbnet.c' line='2077' column='1'/>
+ <parameter type-id='1dc6a898' name='size' filepath='drivers/net/usb/usbnet.c' line='2078' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='usleep_range' mangled-name='usleep_range' filepath='kernel/time/timer.c' line='2066' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='usleep_range'>
+ <parameter type-id='7359adad' name='min' filepath='kernel/time/timer.c' line='2066' column='1'/>
+ <parameter type-id='7359adad' name='max' filepath='kernel/time/timer.c' line='2066' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='utf16s_to_utf8s' mangled-name='utf16s_to_utf8s' filepath='fs/nls/nls_base.c' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='utf16s_to_utf8s'>
+ <parameter type-id='f077d3f8' name='pwcs' filepath='fs/nls/nls_base.c' line='186' column='1'/>
+ <parameter type-id='95e97e5e' name='inlen' filepath='fs/nls/nls_base.c' line='186' column='1'/>
+ <parameter type-id='11d12470' name='endian' filepath='fs/nls/nls_base.c' line='186' column='1'/>
+ <parameter type-id='8bff8096' name='s' filepath='fs/nls/nls_base.c' line='187' column='1'/>
+ <parameter type-id='95e97e5e' name='maxout' filepath='fs/nls/nls_base.c' line='187' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='uuid_gen' mangled-name='uuid_gen' filepath='lib/uuid.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uuid_gen'>
+ <parameter type-id='f1397309' name='bu' filepath='lib/uuid.c' line='68' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='uuid_null' type-id='21109a44' mangled-name='uuid_null' visibility='default' filepath='lib/uuid.c' line='18' column='1' elf-symbol-id='uuid_null'/>
+ <function-decl name='uuid_parse' mangled-name='uuid_parse' filepath='lib/uuid.c' line='129' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='uuid_parse'>
+ <parameter type-id='80f4b756' name='uuid' filepath='lib/uuid.c' line='129' column='1'/>
+ <parameter type-id='f1397309' name='u' filepath='lib/uuid.c' line='129' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_async_notifier_add_devname_subdev' mangled-name='v4l2_async_notifier_add_devname_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='726' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_add_devname_subdev'>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='726' column='1'/>
+ <parameter type-id='80f4b756' name='device_name' filepath='drivers/media/v4l2-core/v4l2-async.c' line='727' column='1'/>
+ <parameter type-id='f0981eeb' name='asd_struct_size' filepath='drivers/media/v4l2-core/v4l2-async.c' line='728' column='1'/>
+ <return type-id='707be29c'/>
+ </function-decl>
+ <function-decl name='v4l2_async_notifier_add_fwnode_subdev' mangled-name='v4l2_async_notifier_add_fwnode_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='651' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_add_fwnode_subdev'>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='651' column='1'/>
+ <parameter type-id='4a935625' name='fwnode' filepath='drivers/media/v4l2-core/v4l2-async.c' line='652' column='1'/>
+ <parameter type-id='f0981eeb' name='asd_struct_size' filepath='drivers/media/v4l2-core/v4l2-async.c' line='653' column='1'/>
+ <return type-id='707be29c'/>
+ </function-decl>
+ <function-decl name='v4l2_async_notifier_add_subdev' mangled-name='v4l2_async_notifier_add_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='631' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_add_subdev'>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='631' column='1'/>
+ <parameter type-id='707be29c' name='asd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='632' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_async_notifier_cleanup' mangled-name='v4l2_async_notifier_cleanup' filepath='drivers/media/v4l2-core/v4l2-async.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_cleanup'>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='621' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_async_notifier_init' mangled-name='v4l2_async_notifier_init' filepath='drivers/media/v4l2-core/v4l2-async.c' line='489' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_init'>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='489' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_async_notifier_register' mangled-name='v4l2_async_notifier_register' filepath='drivers/media/v4l2-core/v4l2-async.c' line='540' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_register'>
+ <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='540' column='1'/>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='541' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_async_notifier_unregister' mangled-name='v4l2_async_notifier_unregister' filepath='drivers/media/v4l2-core/v4l2-async.c' line='590' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_notifier_unregister'>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='590' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_async_register_subdev' mangled-name='v4l2_async_register_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='750' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_register_subdev'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='750' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_async_subdev_notifier_register' mangled-name='v4l2_async_subdev_notifier_register' filepath='drivers/media/v4l2-core/v4l2-async.c' line='558' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_subdev_notifier_register'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='558' column='1'/>
+ <parameter type-id='e1a56841' name='notifier' filepath='drivers/media/v4l2-core/v4l2-async.c' line='559' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_async_unregister_subdev' mangled-name='v4l2_async_unregister_subdev' filepath='drivers/media/v4l2-core/v4l2-async.c' line='818' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_async_unregister_subdev'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-async.c' line='818' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_compat_ioctl32' mangled-name='v4l2_compat_ioctl32' filepath='drivers/media/v4l2-core/v4l2-compat-ioctl32.c' line='1790' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_compat_ioctl32'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-compat-ioctl32.c' line='1790' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/media/v4l2-core/v4l2-compat-ioctl32.c' line='1790' column='1'/>
+ <parameter type-id='7359adad' name='arg' filepath='drivers/media/v4l2-core/v4l2-compat-ioctl32.c' line='1790' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_auto_cluster' mangled-name='v4l2_ctrl_auto_cluster' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3137' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_auto_cluster'>
+ <parameter type-id='f0981eeb' name='ncontrols' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3137' column='1'/>
+ <parameter type-id='c517999b' name='controls' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3137' column='1'/>
+ <parameter type-id='f9b06939' name='manual_val' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3138' column='1'/>
+ <parameter type-id='b50a4934' name='set_volatile' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3138' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_find' mangled-name='v4l2_ctrl_find' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2586' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_find'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2586' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2586' column='1'/>
+ <return type-id='4b8b2cf3'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_g_ctrl' mangled-name='v4l2_ctrl_g_ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4010' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_g_ctrl'>
+ <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4010' column='1'/>
+ <return type-id='a7832498'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_g_ctrl_int64' mangled-name='v4l2_ctrl_g_ctrl_int64' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4023' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_g_ctrl_int64'>
+ <parameter type-id='4b8b2cf3' name='ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4023' column='1'/>
+ <return type-id='9b7c55ef'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_handler_free' mangled-name='v4l2_ctrl_handler_free' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2470' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_handler_free'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2470' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_handler_init_class' mangled-name='v4l2_ctrl_handler_init_class' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2447' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_handler_init_class'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2447' column='1'/>
+ <parameter type-id='f0981eeb' name='nr_of_controls_hint' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2448' column='1'/>
+ <parameter type-id='a57283f9' name='key' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2449' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2449' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_handler_setup' mangled-name='v4l2_ctrl_handler_setup' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3300' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_handler_setup'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3300' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_log_status' mangled-name='v4l2_ctrl_log_status' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4773' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_log_status'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4773' column='1'/>
+ <parameter type-id='eaa32e2f' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4773' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_new_custom' mangled-name='v4l2_ctrl_new_custom' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2882' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_custom'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2882' column='1'/>
+ <parameter type-id='45c81897' name='cfg' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2883' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2883' column='1'/>
+ <return type-id='4b8b2cf3'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_new_int_menu' mangled-name='v4l2_ctrl_new_int_menu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3035' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_int_menu'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3035' column='1'/>
+ <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3036' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+ <parameter type-id='f9b06939' name='_max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+ <parameter type-id='f9b06939' name='_def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+ <parameter type-id='43ae54cf' name='qmenu_int' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3037' column='1'/>
+ <return type-id='4b8b2cf3'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_new_std' mangled-name='v4l2_ctrl_new_std' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_std'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2926' column='1'/>
+ <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2927' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+ <parameter type-id='9b7c55ef' name='min' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+ <parameter type-id='9b7c55ef' name='max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+ <parameter type-id='91ce1af9' name='step' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+ <parameter type-id='9b7c55ef' name='def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2928' column='1'/>
+ <return type-id='4b8b2cf3'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_new_std_menu' mangled-name='v4l2_ctrl_new_std_menu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2948' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_std_menu'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2948' column='1'/>
+ <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2949' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+ <parameter type-id='f9b06939' name='_max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+ <parameter type-id='91ce1af9' name='mask' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+ <parameter type-id='f9b06939' name='_def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2950' column='1'/>
+ <return type-id='4b8b2cf3'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_new_std_menu_items' mangled-name='v4l2_ctrl_new_std_menu_items' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2981' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_new_std_menu_items'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2981' column='1'/>
+ <parameter type-id='1086b623' name='ops' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2982' column='1'/>
+ <parameter type-id='19c2251e' name='id' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2982' column='1'/>
+ <parameter type-id='f9b06939' name='_max' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2982' column='1'/>
+ <parameter type-id='91ce1af9' name='mask' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2983' column='1'/>
+ <parameter type-id='f9b06939' name='_def' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2983' column='1'/>
+ <parameter type-id='13956559' name='qmenu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='2983' column='1'/>
+ <return type-id='4b8b2cf3'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_poll' mangled-name='v4l2_ctrl_poll' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_poll'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4803' column='1'/>
+ <parameter type-id='f0acc909' name='wait' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4803' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_request_complete' mangled-name='v4l2_ctrl_request_complete' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4482' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_request_complete'>
+ <parameter type-id='ac429605' name='req' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4482' column='1'/>
+ <parameter type-id='2b59fa5e' name='main_hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4483' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_request_setup' mangled-name='v4l2_ctrl_request_setup' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4536' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_request_setup'>
+ <parameter type-id='ac429605' name='req' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4536' column='1'/>
+ <parameter type-id='2b59fa5e' name='main_hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4537' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_subdev_log_status' mangled-name='v4l2_ctrl_subdev_log_status' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3253' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_subdev_log_status'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3253' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_subdev_subscribe_event' mangled-name='v4l2_ctrl_subdev_subscribe_event' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4794' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_subdev_subscribe_event'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4794' column='1'/>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4794' column='1'/>
+ <parameter type-id='8edac644' name='sub' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4795' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_ctrl_subscribe_event' mangled-name='v4l2_ctrl_subscribe_event' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4785' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_ctrl_subscribe_event'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4785' column='1'/>
+ <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4786' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_device_register' mangled-name='v4l2_device_register' filepath='drivers/media/v4l2-core/v4l2-device.c' line='17' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='17' column='1'/>
+ <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='17' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_device_register_subdev' mangled-name='v4l2_device_register_subdev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='111' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_register_subdev'>
+ <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='111' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-device.c' line='112' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_device_set_name' mangled-name='v4l2_device_set_name' filepath='drivers/media/v4l2-core/v4l2-device.c' line='60' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_set_name'>
+ <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='60' column='1'/>
+ <parameter type-id='80f4b756' name='basename' filepath='drivers/media/v4l2-core/v4l2-device.c' line='60' column='1'/>
+ <parameter type-id='8a47abc3' name='instance' filepath='drivers/media/v4l2-core/v4l2-device.c' line='61' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_device_unregister' mangled-name='v4l2_device_unregister' filepath='drivers/media/v4l2-core/v4l2-device.c' line='88' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_unregister'>
+ <parameter type-id='ddfb71fa' name='v4l2_dev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='88' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_device_unregister_subdev' mangled-name='v4l2_device_unregister_subdev' filepath='drivers/media/v4l2-core/v4l2-device.c' line='260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_device_unregister_subdev'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-device.c' line='260' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_event_dequeue' mangled-name='v4l2_event_dequeue' filepath='drivers/media/v4l2-core/v4l2-event.c' line='59' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_dequeue'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='59' column='1'/>
+ <parameter type-id='a5c94ccc' name='event' filepath='drivers/media/v4l2-core/v4l2-event.c' line='59' column='1'/>
+ <parameter type-id='95e97e5e' name='nonblocking' filepath='drivers/media/v4l2-core/v4l2-event.c' line='60' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_event_pending' mangled-name='v4l2_event_pending' filepath='drivers/media/v4l2-core/v4l2-event.c' line='184' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_pending'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='184' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_event_queue' mangled-name='v4l2_event_queue' filepath='drivers/media/v4l2-core/v4l2-event.c' line='153' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_queue'>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-event.c' line='153' column='1'/>
+ <parameter type-id='52009e4b' name='ev' filepath='drivers/media/v4l2-core/v4l2-event.c' line='153' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_event_queue_fh' mangled-name='v4l2_event_queue_fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='173' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_queue_fh'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='173' column='1'/>
+ <parameter type-id='52009e4b' name='ev' filepath='drivers/media/v4l2-core/v4l2-event.c' line='173' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_event_subdev_unsubscribe' mangled-name='v4l2_event_subdev_unsubscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='315' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_subdev_unsubscribe'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-event.c' line='315' column='1'/>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='315' column='1'/>
+ <parameter type-id='8edac644' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='316' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_event_subscribe' mangled-name='v4l2_event_subscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='206' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_subscribe'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='206' column='1'/>
+ <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='207' column='1'/>
+ <parameter type-id='f0981eeb' name='elems' filepath='drivers/media/v4l2-core/v4l2-event.c' line='207' column='1'/>
+ <parameter type-id='d66d2cad' name='ops' filepath='drivers/media/v4l2-core/v4l2-event.c' line='208' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_event_unsubscribe' mangled-name='v4l2_event_unsubscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='283' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_event_unsubscribe'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='283' column='1'/>
+ <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='284' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_fh_add' mangled-name='v4l2_fh_add' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='44' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_add'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='44' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_fh_del' mangled-name='v4l2_fh_del' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_del'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='69' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_fh_exit' mangled-name='v4l2_fh_exit' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='80' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_exit'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='80' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_fh_init' mangled-name='v4l2_fh_init' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='21' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_init'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='21' column='1'/>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='21' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_fh_is_singular' mangled-name='v4l2_fh_is_singular' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='105' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_is_singular'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='105' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_fh_open' mangled-name='v4l2_fh_open' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='55' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_open'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='55' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_fh_release' mangled-name='v4l2_fh_release' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='91' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_fh_release'>
+ <parameter type-id='77e79a4b' name='filp' filepath='drivers/media/v4l2-core/v4l2-fh.c' line='91' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_format_info' mangled-name='v4l2_format_info' filepath='drivers/media/v4l2-core/v4l2-common.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_format_info'>
+ <parameter type-id='19c2251e' name='format' filepath='drivers/media/v4l2-core/v4l2-common.c' line='234' column='1'/>
+ <return type-id='2af873af'/>
+ </function-decl>
+ <function-decl name='v4l2_g_parm_cap' mangled-name='v4l2_g_parm_cap' filepath='drivers/media/v4l2-core/v4l2-common.c' line='186' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_g_parm_cap'>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-common.c' line='186' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-common.c' line='187' column='1'/>
+ <parameter type-id='cd10cf8e' name='a' filepath='drivers/media/v4l2-core/v4l2-common.c' line='187' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_i2c_subdev_init' mangled-name='v4l2_i2c_subdev_init' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='45' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_i2c_subdev_init'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='45' column='1'/>
+ <parameter type-id='3e31633b' name='client' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='45' column='1'/>
+ <parameter type-id='040770fb' name='ops' filepath='drivers/media/v4l2-core/v4l2-i2c.c' line='46' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_buf_copy_metadata' mangled-name='v4l2_m2m_buf_copy_metadata' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1233' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_buf_copy_metadata'>
+ <parameter type-id='6d9d7f04' name='out_vb' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1233' column='1'/>
+ <parameter type-id='9a42d4cd' name='cap_vb' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1234' column='1'/>
+ <parameter type-id='b50a4934' name='copy_frame_flags' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1235' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_buf_queue' mangled-name='v4l2_m2m_buf_queue' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_buf_queue'>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1214' column='1'/>
+ <parameter type-id='9a42d4cd' name='vbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1215' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_buf_remove' mangled-name='v4l2_m2m_buf_remove' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='172' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_buf_remove'>
+ <parameter type-id='c8acc294' name='q_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='172' column='1'/>
+ <return type-id='9a42d4cd'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_buf_remove_by_buf' mangled-name='v4l2_m2m_buf_remove_by_buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='191' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_buf_remove_by_buf'>
+ <parameter type-id='c8acc294' name='q_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='191' column='1'/>
+ <parameter type-id='9a42d4cd' name='vbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='192' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ctx_init' mangled-name='v4l2_m2m_ctx_init' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ctx_init'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1155' column='1'/>
+ <parameter type-id='eaa32e2f' name='drv_priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1156' column='1'/>
+ <parameter type-id='2291cc15' name='queue_init' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1157' column='1'/>
+ <return type-id='2c7f1dc4'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ctx_release' mangled-name='v4l2_m2m_ctx_release' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ctx_release'>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1202' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_dqbuf' mangled-name='v4l2_m2m_dqbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='783' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_dqbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='783' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='783' column='1'/>
+ <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='784' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_fop_mmap' mangled-name='v4l2_m2m_fop_mmap' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1534' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_fop_mmap'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1534' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1534' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_fop_poll' mangled-name='v4l2_m2m_fop_poll' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1542' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_fop_poll'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1542' column='1'/>
+ <parameter type-id='a54c778f' name='wait' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1542' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_get_curr_priv' mangled-name='v4l2_m2m_get_curr_priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='232' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_get_curr_priv'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='232' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_get_vq' mangled-name='v4l2_m2m_get_vq' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_get_vq'>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='123' column='1'/>
+ <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='124' column='1'/>
+ <return type-id='a05f1ecd'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_init' mangled-name='v4l2_m2m_init' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1128' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_init'>
+ <parameter type-id='22f8026c' name='m2m_ops' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1128' column='1'/>
+ <return type-id='b50ade7a'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_create_bufs' mangled-name='v4l2_m2m_ioctl_create_bufs' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1311' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_create_bufs'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1311' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1311' column='1'/>
+ <parameter type-id='0bb617a4' name='create' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1312' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_dqbuf' mangled-name='v4l2_m2m_ioctl_dqbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1338' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_dqbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1338' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1338' column='1'/>
+ <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1339' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_expbuf' mangled-name='v4l2_m2m_ioctl_expbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1356' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_expbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1356' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1356' column='1'/>
+ <parameter type-id='5606e640' name='eb' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1357' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_prepare_buf' mangled-name='v4l2_m2m_ioctl_prepare_buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1347' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_prepare_buf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1347' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1347' column='1'/>
+ <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1348' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_qbuf' mangled-name='v4l2_m2m_ioctl_qbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_qbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1329' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1329' column='1'/>
+ <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1330' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_querybuf' mangled-name='v4l2_m2m_ioctl_querybuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1320' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_querybuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1320' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1320' column='1'/>
+ <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1321' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_reqbufs' mangled-name='v4l2_m2m_ioctl_reqbufs' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_reqbufs'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1302' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1302' column='1'/>
+ <parameter type-id='e4330308' name='rb' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1303' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_streamoff' mangled-name='v4l2_m2m_ioctl_streamoff' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1374' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_streamoff'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1374' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1374' column='1'/>
+ <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1375' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_ioctl_streamon' mangled-name='v4l2_m2m_ioctl_streamon' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1365' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_ioctl_streamon'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1365' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1365' column='1'/>
+ <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1366' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_job_finish' mangled-name='v4l2_m2m_job_finish' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='483' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_job_finish'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='483' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='484' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_mmap' mangled-name='v4l2_m2m_mmap' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='943' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_mmap'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='943' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='943' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='944' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_next_buf' mangled-name='v4l2_m2m_next_buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_next_buf'>
+ <parameter type-id='c8acc294' name='q_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='136' column='1'/>
+ <return type-id='9a42d4cd'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_poll' mangled-name='v4l2_m2m_poll' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='921' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_poll'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='921' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='921' column='1'/>
+ <parameter type-id='f0acc909' name='wait' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='922' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_qbuf' mangled-name='v4l2_m2m_qbuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='747' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_qbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='747' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='747' column='1'/>
+ <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='748' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_querybuf' mangled-name='v4l2_m2m_querybuf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='588' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_querybuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='588' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='588' column='1'/>
+ <parameter type-id='a90d9002' name='buf' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='589' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_register_media_controller' mangled-name='v4l2_m2m_register_media_controller' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1036' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_register_media_controller'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1036' column='1'/>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1037' column='1'/>
+ <parameter type-id='95e97e5e' name='function' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1037' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_release' mangled-name='v4l2_m2m_release' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_release'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1149' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_reqbufs' mangled-name='v4l2_m2m_reqbufs' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='571' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_reqbufs'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='571' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='571' column='1'/>
+ <parameter type-id='e4330308' name='reqbufs' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='572' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_request_queue' mangled-name='v4l2_m2m_request_queue' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1254' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_request_queue'>
+ <parameter type-id='ac429605' name='req' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='1254' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_resume' mangled-name='v4l2_m2m_resume' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='559' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_resume'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='559' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_streamoff' mangled-name='v4l2_m2m_streamoff' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='839' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_streamoff'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='839' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='839' column='1'/>
+ <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='840' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_streamon' mangled-name='v4l2_m2m_streamon' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='824' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_streamon'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='824' column='1'/>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='824' column='1'/>
+ <parameter type-id='1abf108f' name='type' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='825' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_suspend' mangled-name='v4l2_m2m_suspend' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_suspend'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='543' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_try_schedule' mangled-name='v4l2_m2m_try_schedule' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='385' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_try_schedule'>
+ <parameter type-id='2c7f1dc4' name='m2m_ctx' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='385' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_m2m_unregister_media_controller' mangled-name='v4l2_m2m_unregister_media_controller' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='961' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_m2m_unregister_media_controller'>
+ <parameter type-id='b50ade7a' name='m2m_dev' filepath='drivers/media/v4l2-core/v4l2-mem2mem.c' line='961' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_match_dv_timings' mangled-name='v4l2_match_dv_timings' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_match_dv_timings'>
+ <parameter type-id='4e30d787' name='t1' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='245' column='1'/>
+ <parameter type-id='4e30d787' name='t2' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='246' column='1'/>
+ <parameter type-id='f0981eeb' name='pclock_delta' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='247' column='1'/>
+ <parameter type-id='b50a4934' name='match_reduced_fps' filepath='drivers/media/v4l2-core/v4l2-dv-timings.c' line='247' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='v4l2_pipeline_link_notify' mangled-name='v4l2_pipeline_link_notify' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='556' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_pipeline_link_notify'>
+ <parameter type-id='b4de78ea' name='link' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='556' column='1'/>
+ <parameter type-id='19c2251e' name='flags' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='556' column='1'/>
+ <parameter type-id='f0981eeb' name='notification' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='557' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_pipeline_pm_get' mangled-name='v4l2_pipeline_pm_get' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='543' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_pipeline_pm_get'>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='543' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_pipeline_pm_put' mangled-name='v4l2_pipeline_pm_put' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='549' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_pipeline_pm_put'>
+ <parameter type-id='19e05b5f' name='entity' filepath='drivers/media/v4l2-core/v4l2-mc.c' line='549' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_querymenu' mangled-name='v4l2_querymenu' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3446' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_querymenu'>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3446' column='1'/>
+ <parameter type-id='4394e2c1' name='qm' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='3446' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_s_ctrl' mangled-name='v4l2_s_ctrl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4413' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_s_ctrl'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4413' column='1'/>
+ <parameter type-id='2b59fa5e' name='hdl' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4413' column='1'/>
+ <parameter type-id='bcd28457' name='control' filepath='drivers/media/v4l2-core/v4l2-ctrls.c' line='4414' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_s_parm_cap' mangled-name='v4l2_s_parm_cap' filepath='drivers/media/v4l2-core/v4l2-common.c' line='207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_s_parm_cap'>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-common.c' line='207' column='1'/>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-common.c' line='208' column='1'/>
+ <parameter type-id='cd10cf8e' name='a' filepath='drivers/media/v4l2-core/v4l2-common.c' line='208' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_spi_subdev_init' mangled-name='v4l2_spi_subdev_init' filepath='drivers/media/v4l2-core/v4l2-spi.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_spi_subdev_init'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-spi.c' line='19' column='1'/>
+ <parameter type-id='e90f4666' name='spi' filepath='drivers/media/v4l2-core/v4l2-spi.c' line='19' column='1'/>
+ <parameter type-id='040770fb' name='ops' filepath='drivers/media/v4l2-core/v4l2-spi.c' line='20' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_src_change_event_subscribe' mangled-name='v4l2_src_change_event_subscribe' filepath='drivers/media/v4l2-core/v4l2-event.c' line='342' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_src_change_event_subscribe'>
+ <parameter type-id='b7db9582' name='fh' filepath='drivers/media/v4l2-core/v4l2-event.c' line='342' column='1'/>
+ <parameter type-id='d8c85275' name='sub' filepath='drivers/media/v4l2-core/v4l2-event.c' line='343' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='v4l2_subdev_call_wrappers' type-id='3a7813d3' mangled-name='v4l2_subdev_call_wrappers' visibility='default' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='350' column='1' elf-symbol-id='v4l2_subdev_call_wrappers'/>
+ <function-decl name='v4l2_subdev_init' mangled-name='v4l2_subdev_init' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='893' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_subdev_init'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='893' column='1'/>
+ <parameter type-id='040770fb' name='ops' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='893' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='v4l2_subdev_link_validate' mangled-name='v4l2_subdev_link_validate' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='834' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_subdev_link_validate'>
+ <parameter type-id='b4de78ea' name='link' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='834' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='v4l2_subdev_link_validate_default' mangled-name='v4l2_subdev_link_validate_default' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='791' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l2_subdev_link_validate_default'>
+ <parameter type-id='f5438ac7' name='sd' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='791' column='1'/>
+ <parameter type-id='b4de78ea' name='link' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='792' column='1'/>
+ <parameter type-id='cdea97c3' name='source_fmt' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='793' column='1'/>
+ <parameter type-id='cdea97c3' name='sink_fmt' filepath='drivers/media/v4l2-core/v4l2-subdev.c' line='794' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='v4l2_type_names' type-id='35f5fc88' mangled-name='v4l2_type_names' visibility='default' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='189' column='1' elf-symbol-id='v4l2_type_names'/>
+ <function-decl name='v4l_bound_align_image' mangled-name='v4l_bound_align_image' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='v4l_bound_align_image'>
+ <parameter type-id='f9409001' name='w' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1'/>
+ <parameter type-id='f0981eeb' name='wmin' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1'/>
+ <parameter type-id='f0981eeb' name='wmax' filepath='drivers/media/v4l2-core/v4l2-common.c' line='119' column='1'/>
+ <parameter type-id='f0981eeb' name='walign' filepath='drivers/media/v4l2-core/v4l2-common.c' line='120' column='1'/>
+ <parameter type-id='f9409001' name='h' filepath='drivers/media/v4l2-core/v4l2-common.c' line='121' column='1'/>
+ <parameter type-id='f0981eeb' name='hmin' filepath='drivers/media/v4l2-core/v4l2-common.c' line='121' column='1'/>
+ <parameter type-id='f0981eeb' name='hmax' filepath='drivers/media/v4l2-core/v4l2-common.c' line='121' column='1'/>
+ <parameter type-id='f0981eeb' name='halign' filepath='drivers/media/v4l2-core/v4l2-common.c' line='122' column='1'/>
+ <parameter type-id='f0981eeb' name='salign' filepath='drivers/media/v4l2-core/v4l2-common.c' line='122' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='vabits_actual' type-id='91ce1af9' mangled-name='vabits_actual' visibility='default' filepath='arch/arm64/mm/mmu.c' line='46' column='1' elf-symbol-id='vabits_actual'/>
+ <function-decl name='vb2_buffer_done' mangled-name='vb2_buffer_done' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='992' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_buffer_done'>
+ <parameter type-id='85535682' name='vb' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='992' column='1'/>
+ <parameter type-id='550876cf' name='state' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='992' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='vb2_common_vm_ops' type-id='92e9b57c' mangled-name='vb2_common_vm_ops' visibility='default' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='122' column='1' elf-symbol-id='vb2_common_vm_ops'/>
+ <function-decl name='vb2_create_bufs' mangled-name='vb2_create_bufs' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='753' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_create_bufs'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='753' column='1'/>
+ <parameter type-id='0bb617a4' name='create' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='753' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_create_framevec' mangled-name='vb2_create_framevec' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='36' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_create_framevec'>
+ <parameter type-id='7359adad' name='start' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='36' column='1'/>
+ <parameter type-id='7359adad' name='length' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='37' column='1'/>
+ <return type-id='d9fbdc06'/>
+ </function-decl>
+ <function-decl name='vb2_destroy_framevec' mangled-name='vb2_destroy_framevec' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='75' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_destroy_framevec'>
+ <parameter type-id='d9fbdc06' name='vec' filepath='drivers/media/common/videobuf2/videobuf2-memops.c' line='75' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <var-decl name='vb2_dma_contig_memops' type-id='23cb2797' mangled-name='vb2_dma_contig_memops' visibility='default' filepath='drivers/media/common/videobuf2/videobuf2-dma-contig.c' line='692' column='1' elf-symbol-id='vb2_dma_contig_memops'/>
+ <function-decl name='vb2_dqbuf' mangled-name='vb2_dqbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_dqbuf'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1'/>
+ <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1'/>
+ <parameter type-id='b50a4934' name='nonblocking' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='832' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_expbuf' mangled-name='vb2_expbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='883' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_expbuf'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='883' column='1'/>
+ <parameter type-id='5606e640' name='eb' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='883' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_fop_mmap' mangled-name='vb2_fop_mmap' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1101' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_mmap'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1101' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1101' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_fop_poll' mangled-name='vb2_fop_poll' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1182' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_poll'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1182' column='1'/>
+ <parameter type-id='a54c778f' name='wait' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1182' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
+ <function-decl name='vb2_fop_read' mangled-name='vb2_fop_read' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1158' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_read'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1158' column='1'/>
+ <parameter type-id='26a90f95' name='buf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1158' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1159' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1159' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='vb2_fop_release' mangled-name='vb2_fop_release' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1125' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_fop_release'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1125' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_create_bufs' mangled-name='vb2_ioctl_create_bufs' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1002' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_create_bufs'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1002' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1002' column='1'/>
+ <parameter type-id='0bb617a4' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1003' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_dqbuf' mangled-name='vb2_ioctl_dqbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_dqbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1'/>
+ <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1059' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_expbuf' mangled-name='vb2_ioctl_expbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_expbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1'/>
+ <parameter type-id='5606e640' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1089' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_prepare_buf' mangled-name='vb2_ioctl_prepare_buf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_prepare_buf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1029' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1029' column='1'/>
+ <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1030' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_qbuf' mangled-name='vb2_ioctl_qbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_qbuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1'/>
+ <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1049' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_querybuf' mangled-name='vb2_ioctl_querybuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_querybuf'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1'/>
+ <parameter type-id='a90d9002' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1040' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_reqbufs' mangled-name='vb2_ioctl_reqbufs' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='982' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_reqbufs'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='982' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='982' column='1'/>
+ <parameter type-id='e4330308' name='p' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='983' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_streamoff' mangled-name='vb2_ioctl_streamoff' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_streamoff'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1'/>
+ <parameter type-id='1abf108f' name='i' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1079' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ioctl_streamon' mangled-name='vb2_ioctl_streamon' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ioctl_streamon'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1'/>
+ <parameter type-id='eaa32e2f' name='priv' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1'/>
+ <parameter type-id='1abf108f' name='i' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1069' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_mmap' mangled-name='vb2_mmap' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2214' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_mmap'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2214' column='1'/>
+ <parameter type-id='2ae08426' name='vma' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2214' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_ops_wait_finish' mangled-name='vb2_ops_wait_finish' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ops_wait_finish'>
+ <parameter type-id='a05f1ecd' name='vq' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1269' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vb2_ops_wait_prepare' mangled-name='vb2_ops_wait_prepare' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_ops_wait_prepare'>
+ <parameter type-id='a05f1ecd' name='vq' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1263' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vb2_plane_cookie' mangled-name='vb2_plane_cookie' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='983' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_plane_cookie'>
+ <parameter type-id='85535682' name='vb' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='983' column='1'/>
+ <parameter type-id='f0981eeb' name='plane_no' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='983' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vb2_plane_vaddr' mangled-name='vb2_plane_vaddr' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='973' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_plane_vaddr'>
+ <parameter type-id='85535682' name='vb' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='973' column='1'/>
+ <parameter type-id='f0981eeb' name='plane_no' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='973' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vb2_poll' mangled-name='vb2_poll' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_poll'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1'/>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1'/>
+ <parameter type-id='a54c778f' name='wait' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='947' column='1'/>
+ <return type-id='8f254b08'/>
+ </function-decl>
+ <function-decl name='vb2_prepare_buf' mangled-name='vb2_prepare_buf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='734' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_prepare_buf'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='734' column='1'/>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='734' column='1'/>
+ <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='735' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_qbuf' mangled-name='vb2_qbuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='811' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_qbuf'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='811' column='1'/>
+ <parameter type-id='e2929c1c' name='mdev' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='811' column='1'/>
+ <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='812' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_querybuf' mangled-name='vb2_querybuf' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='684' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_querybuf'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='684' column='1'/>
+ <parameter type-id='a90d9002' name='b' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='684' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_queue_init' mangled-name='vb2_queue_init' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='935' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_queue_init'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='935' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_queue_release' mangled-name='vb2_queue_release' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='941' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_queue_release'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='941' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vb2_read' mangled-name='vb2_read' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2826' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_read'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2826' column='1'/>
+ <parameter type-id='26a90f95' name='data' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2826' column='1'/>
+ <parameter type-id='b59d7dce' name='count' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2826' column='1'/>
+ <parameter type-id='b53e8dbb' name='ppos' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2827' column='1'/>
+ <parameter type-id='95e97e5e' name='nonblocking' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='2827' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='vb2_reqbufs' mangled-name='vb2_reqbufs' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='725' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_reqbufs'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='725' column='1'/>
+ <parameter type-id='e4330308' name='req' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='725' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_request_object_is_buffer' mangled-name='vb2_request_object_is_buffer' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_request_object_is_buffer'>
+ <parameter type-id='347d8ccd' name='obj' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1458' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='vb2_request_queue' mangled-name='vb2_request_queue' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1308' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_request_queue'>
+ <parameter type-id='ac429605' name='req' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1308' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vb2_request_validate' mangled-name='vb2_request_validate' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_request_validate'>
+ <parameter type-id='ac429605' name='req' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='1281' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_streamoff' mangled-name='vb2_streamoff' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='873' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_streamoff'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='873' column='1'/>
+ <parameter type-id='1abf108f' name='type' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='873' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vb2_streamon' mangled-name='vb2_streamon' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='863' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_streamon'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='863' column='1'/>
+ <parameter type-id='1abf108f' name='type' filepath='drivers/media/common/videobuf2/videobuf2-v4l2.c' line='863' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='vb2_vmalloc_memops' type-id='23cb2797' mangled-name='vb2_vmalloc_memops' visibility='default' filepath='drivers/media/common/videobuf2/videobuf2-vmalloc.c' line='417' column='1' elf-symbol-id='vb2_vmalloc_memops'/>
+ <function-decl name='vb2_wait_for_all_buffers' mangled-name='vb2_wait_for_all_buffers' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1846' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vb2_wait_for_all_buffers'>
+ <parameter type-id='a05f1ecd' name='q' filepath='drivers/media/common/videobuf2/videobuf2-core.c' line='1846' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vchan_dma_desc_free_list' mangled-name='vchan_dma_desc_free_list' filepath='drivers/dma/virt-dma.c' line='112' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_dma_desc_free_list'>
+ <parameter type-id='6c3dd54a' name='vc' filepath='drivers/dma/virt-dma.c' line='112' column='1'/>
+ <parameter type-id='e84b031a' name='head' filepath='drivers/dma/virt-dma.c' line='112' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vchan_find_desc' mangled-name='vchan_find_desc' filepath='drivers/dma/virt-dma.c' line='66' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_find_desc'>
+ <parameter type-id='6c3dd54a' name='vc' filepath='drivers/dma/virt-dma.c' line='66' column='1'/>
+ <parameter type-id='6478ea0a' name='cookie' filepath='drivers/dma/virt-dma.c' line='67' column='1'/>
+ <return type-id='5264cf1d'/>
+ </function-decl>
+ <function-decl name='vchan_init' mangled-name='vchan_init' filepath='drivers/dma/virt-dma.c' line='123' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_init'>
+ <parameter type-id='6c3dd54a' name='vc' filepath='drivers/dma/virt-dma.c' line='123' column='1'/>
+ <parameter type-id='c60ba652' name='dmadev' filepath='drivers/dma/virt-dma.c' line='123' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vchan_tx_desc_free' mangled-name='vchan_tx_desc_free' filepath='drivers/dma/virt-dma.c' line='49' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_tx_desc_free'>
+ <parameter type-id='0e3f80d9' name='tx' filepath='drivers/dma/virt-dma.c' line='49' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vchan_tx_submit' mangled-name='vchan_tx_submit' filepath='drivers/dma/virt-dma.c' line='19' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vchan_tx_submit'>
+ <parameter type-id='0e3f80d9' name='tx' filepath='drivers/dma/virt-dma.c' line='19' column='1'/>
+ <return type-id='6478ea0a'/>
+ </function-decl>
+ <function-decl name='verify_pkcs7_signature' mangled-name='verify_pkcs7_signature' filepath='certs/system_keyring.c' line='245' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='verify_pkcs7_signature'>
+ <parameter type-id='eaa32e2f' name='data' filepath='certs/system_keyring.c' line='245' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='certs/system_keyring.c' line='245' column='1'/>
+ <parameter type-id='eaa32e2f' name='raw_pkcs7' filepath='certs/system_keyring.c' line='246' column='1'/>
+ <parameter type-id='b59d7dce' name='pkcs7_len' filepath='certs/system_keyring.c' line='246' column='1'/>
+ <parameter type-id='204a4632' name='trusted_keys' filepath='certs/system_keyring.c' line='247' column='1'/>
+ <parameter type-id='ce22776d' name='usage' filepath='certs/system_keyring.c' line='248' column='1'/>
+ <parameter type-id='fd0db729' name='view_content' filepath='certs/system_keyring.c' line='249' column='1'/>
+ <parameter type-id='eaa32e2f' name='ctx' filepath='certs/system_keyring.c' line='252' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vfree' mangled-name='vfree' filepath='mm/vmalloc.c' line='2343' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfree'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='mm/vmalloc.c' line='2343' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vfs_fallocate' mangled-name='vfs_fallocate' filepath='fs/open.c' line='230' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfs_fallocate'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/open.c' line='230' column='1'/>
+ <parameter type-id='95e97e5e' name='mode' filepath='fs/open.c' line='230' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/open.c' line='230' column='1'/>
+ <parameter type-id='69bf7bee' name='len' filepath='fs/open.c' line='230' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vfs_fsync' mangled-name='vfs_fsync' filepath='fs/sync.c' line='212' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfs_fsync'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/sync.c' line='212' column='1'/>
+ <parameter type-id='95e97e5e' name='datasync' filepath='fs/sync.c' line='212' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vfs_fsync_range' mangled-name='vfs_fsync_range' filepath='fs/sync.c' line='192' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfs_fsync_range'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/sync.c' line='192' column='1'/>
+ <parameter type-id='69bf7bee' name='start' filepath='fs/sync.c' line='192' column='1'/>
+ <parameter type-id='69bf7bee' name='end' filepath='fs/sync.c' line='192' column='1'/>
+ <parameter type-id='95e97e5e' name='datasync' filepath='fs/sync.c' line='192' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vfs_getattr' mangled-name='vfs_getattr' filepath='fs/stat.c' line='124' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfs_getattr'>
+ <parameter type-id='a77efac3' name='path' filepath='fs/stat.c' line='124' column='1'/>
+ <parameter type-id='0e87f9be' name='stat' filepath='fs/stat.c' line='124' column='1'/>
+ <parameter type-id='19c2251e' name='request_mask' filepath='fs/stat.c' line='125' column='1'/>
+ <parameter type-id='f0981eeb' name='query_flags' filepath='fs/stat.c' line='125' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vfs_llseek' mangled-name='vfs_llseek' filepath='fs/read_write.c' line='291' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vfs_llseek'>
+ <parameter type-id='77e79a4b' name='file' filepath='fs/read_write.c' line='291' column='1'/>
+ <parameter type-id='69bf7bee' name='offset' filepath='fs/read_write.c' line='291' column='1'/>
+ <parameter type-id='95e97e5e' name='whence' filepath='fs/read_write.c' line='291' column='1'/>
+ <return type-id='69bf7bee'/>
+ </function-decl>
+ <function-decl name='video_devdata' mangled-name='video_devdata' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='234' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_devdata'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='234' column='1'/>
+ <return type-id='798c29b7'/>
+ </function-decl>
+ <function-decl name='video_device_alloc' mangled-name='video_device_alloc' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='144' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_device_alloc'>
+ <return type-id='798c29b7'/>
+ </function-decl>
+ <function-decl name='video_device_release' mangled-name='video_device_release' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='150' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_device_release'>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='150' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='video_device_release_empty' mangled-name='video_device_release_empty' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='156' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_device_release_empty'>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='156' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='video_ioctl2' mangled-name='video_ioctl2' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3371' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_ioctl2'>
+ <parameter type-id='77e79a4b' name='file' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3371' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3372' column='1'/>
+ <parameter type-id='7359adad' name='arg' filepath='drivers/media/v4l2-core/v4l2-ioctl.c' line='3372' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='video_unregister_device' mangled-name='video_unregister_device' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='1077' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='video_unregister_device'>
+ <parameter type-id='798c29b7' name='vdev' filepath='drivers/media/v4l2-core/v4l2-dev.c' line='1077' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='videomode_from_timing' mangled-name='videomode_from_timing' filepath='drivers/video/videomode.c' line='13' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='videomode_from_timing'>
+ <parameter type-id='911a5831' name='dt' filepath='drivers/video/videomode.c' line='13' column='1'/>
+ <parameter type-id='83e7c23f' name='vm' filepath='drivers/video/videomode.c' line='14' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='videomode_from_timings' mangled-name='videomode_from_timings' filepath='drivers/video/videomode.c' line='31' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='videomode_from_timings'>
+ <parameter type-id='0e289f54' name='disp' filepath='drivers/video/videomode.c' line='31' column='1'/>
+ <parameter type-id='83e7c23f' name='vm' filepath='drivers/video/videomode.c' line='32' column='1'/>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/video/videomode.c' line='32' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_break_device' mangled-name='virtio_break_device' filepath='drivers/virtio/virtio_ring.c' line='2281' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_break_device'>
+ <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio_ring.c' line='2281' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_check_driver_offered_feature' mangled-name='virtio_check_driver_offered_feature' filepath='drivers/virtio/virtio.c' line='104' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_check_driver_offered_feature'>
+ <parameter type-id='b8574f7c' name='vdev' filepath='drivers/virtio/virtio.c' line='104' column='1'/>
+ <parameter type-id='f0981eeb' name='fbit' filepath='drivers/virtio/virtio.c' line='105' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_config_changed' mangled-name='virtio_config_changed' filepath='drivers/virtio/virtio.c' line='134' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_config_changed'>
+ <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='134' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_device_freeze' mangled-name='virtio_device_freeze' filepath='drivers/virtio/virtio.c' line='402' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_device_freeze'>
+ <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='402' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_device_restore' mangled-name='virtio_device_restore' filepath='drivers/virtio/virtio.c' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_device_restore'>
+ <parameter type-id='5dbfcbb1' name='dev' filepath='drivers/virtio/virtio.c' line='417' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_max_dma_size' mangled-name='virtio_max_dma_size' filepath='drivers/virtio/virtio_ring.c' line='261' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_max_dma_size'>
+ <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='261' column='1'/>
+ <return type-id='b59d7dce'/>
+ </function-decl>
+ <function-decl name='virtio_transport_connect' mangled-name='virtio_transport_connect' filepath='net/vmw_vsock/virtio_transport_common.c' line='627' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_connect'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='627' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_deliver_tap_pkt' mangled-name='virtio_transport_deliver_tap_pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='162' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_deliver_tap_pkt'>
+ <parameter type-id='ac22ee2f' name='pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='162' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_destruct' mangled-name='virtio_transport_destruct' filepath='net/vmw_vsock/virtio_transport_common.c' line='682' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_destruct'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='682' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_dgram_allow' mangled-name='virtio_transport_dgram_allow' filepath='net/vmw_vsock/virtio_transport_common.c' line='621' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_allow'>
+ <parameter type-id='19c2251e' name='cid' filepath='net/vmw_vsock/virtio_transport_common.c' line='621' column='1'/>
+ <parameter type-id='19c2251e' name='port' filepath='net/vmw_vsock/virtio_transport_common.c' line='621' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtio_transport_dgram_bind' mangled-name='virtio_transport_dgram_bind' filepath='net/vmw_vsock/virtio_transport_common.c' line='614' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_bind'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='614' column='1'/>
+ <parameter type-id='b6a6ca60' name='addr' filepath='net/vmw_vsock/virtio_transport_common.c' line='615' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_dgram_dequeue' mangled-name='virtio_transport_dgram_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_dequeue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='417' column='1'/>
+ <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='418' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='net/vmw_vsock/virtio_transport_common.c' line='419' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/vmw_vsock/virtio_transport_common.c' line='419' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_dgram_enqueue' mangled-name='virtio_transport_dgram_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='656' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_dgram_enqueue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='656' column='1'/>
+ <parameter type-id='b6a6ca60' name='remote_addr' filepath='net/vmw_vsock/virtio_transport_common.c' line='657' column='1'/>
+ <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='658' column='1'/>
+ <parameter type-id='b59d7dce' name='dgram_len' filepath='net/vmw_vsock/virtio_transport_common.c' line='659' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_do_socket_init' mangled-name='virtio_transport_do_socket_init' filepath='net/vmw_vsock/virtio_transport_common.c' line='463' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_do_socket_init'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='463' column='1'/>
+ <parameter type-id='ecb0ce18' name='psk' filepath='net/vmw_vsock/virtio_transport_common.c' line='464' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_free_pkt' mangled-name='virtio_transport_free_pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1200' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_free_pkt'>
+ <parameter type-id='ac22ee2f' name='pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1200' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_buffer_size' mangled-name='virtio_transport_notify_buffer_size' filepath='net/vmw_vsock/virtio_transport_common.c' line='494' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_buffer_size'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='494' column='1'/>
+ <parameter type-id='3df9fd28' name='val' filepath='net/vmw_vsock/virtio_transport_common.c' line='494' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_poll_in' mangled-name='virtio_transport_notify_poll_in' filepath='net/vmw_vsock/virtio_transport_common.c' line='509' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_poll_in'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='509' column='1'/>
+ <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='510' column='1'/>
+ <parameter type-id='d8e6b335' name='data_ready_now' filepath='net/vmw_vsock/virtio_transport_common.c' line='511' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_poll_out' mangled-name='virtio_transport_notify_poll_out' filepath='net/vmw_vsock/virtio_transport_common.c' line='523' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_poll_out'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='523' column='1'/>
+ <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='524' column='1'/>
+ <parameter type-id='d8e6b335' name='space_avail_now' filepath='net/vmw_vsock/virtio_transport_common.c' line='525' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_recv_init' mangled-name='virtio_transport_notify_recv_init' filepath='net/vmw_vsock/virtio_transport_common.c' line='539' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_init'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='539' column='1'/>
+ <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='540' column='1'/>
+ <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='540' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_recv_post_dequeue' mangled-name='virtio_transport_notify_recv_post_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='560' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_post_dequeue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='560' column='1'/>
+ <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='561' column='1'/>
+ <parameter type-id='79a0948f' name='copied' filepath='net/vmw_vsock/virtio_transport_common.c' line='561' column='1'/>
+ <parameter type-id='b50a4934' name='data_read' filepath='net/vmw_vsock/virtio_transport_common.c' line='561' column='1'/>
+ <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='562' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_recv_pre_block' mangled-name='virtio_transport_notify_recv_pre_block' filepath='net/vmw_vsock/virtio_transport_common.c' line='546' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_pre_block'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='546' column='1'/>
+ <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='547' column='1'/>
+ <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='547' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_recv_pre_dequeue' mangled-name='virtio_transport_notify_recv_pre_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='553' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_recv_pre_dequeue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='553' column='1'/>
+ <parameter type-id='b59d7dce' name='target' filepath='net/vmw_vsock/virtio_transport_common.c' line='554' column='1'/>
+ <parameter type-id='c777e389' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='554' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_send_init' mangled-name='virtio_transport_notify_send_init' filepath='net/vmw_vsock/virtio_transport_common.c' line='568' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_init'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='568' column='1'/>
+ <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='569' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_send_post_enqueue' mangled-name='virtio_transport_notify_send_post_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='589' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_post_enqueue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='589' column='1'/>
+ <parameter type-id='79a0948f' name='written' filepath='net/vmw_vsock/virtio_transport_common.c' line='590' column='1'/>
+ <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='590' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_send_pre_block' mangled-name='virtio_transport_notify_send_pre_block' filepath='net/vmw_vsock/virtio_transport_common.c' line='575' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_pre_block'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='575' column='1'/>
+ <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='576' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_notify_send_pre_enqueue' mangled-name='virtio_transport_notify_send_pre_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='582' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_notify_send_pre_enqueue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='582' column='1'/>
+ <parameter type-id='6f074813' name='data' filepath='net/vmw_vsock/virtio_transport_common.c' line='583' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_recv_pkt' mangled-name='virtio_transport_recv_pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1106' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_recv_pkt'>
+ <parameter type-id='2bfa174e' name='t' filepath='net/vmw_vsock/virtio_transport_common.c' line='1106' column='1'/>
+ <parameter type-id='ac22ee2f' name='pkt' filepath='net/vmw_vsock/virtio_transport_common.c' line='1107' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_release' mangled-name='virtio_transport_release' filepath='net/vmw_vsock/virtio_transport_common.c' line='850' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_release'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='850' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_shutdown' mangled-name='virtio_transport_shutdown' filepath='net/vmw_vsock/virtio_transport_common.c' line='639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_shutdown'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='639' column='1'/>
+ <parameter type-id='95e97e5e' name='mode' filepath='net/vmw_vsock/virtio_transport_common.c' line='639' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtio_transport_stream_allow' mangled-name='virtio_transport_stream_allow' filepath='net/vmw_vsock/virtio_transport_common.c' line='608' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_allow'>
+ <parameter type-id='19c2251e' name='cid' filepath='net/vmw_vsock/virtio_transport_common.c' line='608' column='1'/>
+ <parameter type-id='19c2251e' name='port' filepath='net/vmw_vsock/virtio_transport_common.c' line='608' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtio_transport_stream_dequeue' mangled-name='virtio_transport_stream_dequeue' filepath='net/vmw_vsock/virtio_transport_common.c' line='405' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_dequeue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='405' column='1'/>
+ <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='406' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='net/vmw_vsock/virtio_transport_common.c' line='407' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/vmw_vsock/virtio_transport_common.c' line='407' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_stream_enqueue' mangled-name='virtio_transport_stream_enqueue' filepath='net/vmw_vsock/virtio_transport_common.c' line='666' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_enqueue'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='666' column='1'/>
+ <parameter type-id='6b9b777a' name='msg' filepath='net/vmw_vsock/virtio_transport_common.c' line='667' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='net/vmw_vsock/virtio_transport_common.c' line='668' column='1'/>
+ <return type-id='79a0948f'/>
+ </function-decl>
+ <function-decl name='virtio_transport_stream_has_data' mangled-name='virtio_transport_stream_has_data' filepath='net/vmw_vsock/virtio_transport_common.c' line='425' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_has_data'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='425' column='1'/>
+ <return type-id='9b7c55ef'/>
+ </function-decl>
+ <function-decl name='virtio_transport_stream_has_space' mangled-name='virtio_transport_stream_has_space' filepath='net/vmw_vsock/virtio_transport_common.c' line='450' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_has_space'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='450' column='1'/>
+ <return type-id='9b7c55ef'/>
+ </function-decl>
+ <function-decl name='virtio_transport_stream_is_active' mangled-name='virtio_transport_stream_is_active' filepath='net/vmw_vsock/virtio_transport_common.c' line='602' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_is_active'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='602' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtio_transport_stream_rcvhiwat' mangled-name='virtio_transport_stream_rcvhiwat' filepath='net/vmw_vsock/virtio_transport_common.c' line='596' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtio_transport_stream_rcvhiwat'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/virtio_transport_common.c' line='596' column='1'/>
+ <return type-id='91ce1af9'/>
+ </function-decl>
+ <function-decl name='virtqueue_add_inbuf' mangled-name='virtqueue_add_inbuf' filepath='drivers/virtio/virtio_ring.c' line='1788' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_inbuf'>
+ <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1788' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='drivers/virtio/virtio_ring.c' line='1789' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='1789' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1790' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1791' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtqueue_add_inbuf_ctx' mangled-name='virtqueue_add_inbuf_ctx' filepath='drivers/virtio/virtio_ring.c' line='1811' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_inbuf_ctx'>
+ <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1811' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='drivers/virtio/virtio_ring.c' line='1812' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='1812' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1813' column='1'/>
+ <parameter type-id='eaa32e2f' name='ctx' filepath='drivers/virtio/virtio_ring.c' line='1814' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1815' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtqueue_add_outbuf' mangled-name='virtqueue_add_outbuf' filepath='drivers/virtio/virtio_ring.c' line='1766' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_outbuf'>
+ <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1766' column='1'/>
+ <parameter type-id='bf3ef905' name='sg' filepath='drivers/virtio/virtio_ring.c' line='1767' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='1767' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1768' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1769' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtqueue_add_sgs' mangled-name='virtqueue_add_sgs' filepath='drivers/virtio/virtio_ring.c' line='1732' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_add_sgs'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1732' column='1'/>
+ <parameter type-id='3f2244fd' name='sgs' filepath='drivers/virtio/virtio_ring.c' line='1733' column='1'/>
+ <parameter type-id='f0981eeb' name='out_sgs' filepath='drivers/virtio/virtio_ring.c' line='1734' column='1'/>
+ <parameter type-id='f0981eeb' name='in_sgs' filepath='drivers/virtio/virtio_ring.c' line='1735' column='1'/>
+ <parameter type-id='eaa32e2f' name='data' filepath='drivers/virtio/virtio_ring.c' line='1736' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='drivers/virtio/virtio_ring.c' line='1737' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='virtqueue_detach_unused_buf' mangled-name='virtqueue_detach_unused_buf' filepath='drivers/virtio/virtio_ring.c' line='2029' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_detach_unused_buf'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2029' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='virtqueue_disable_cb' mangled-name='virtqueue_disable_cb' filepath='drivers/virtio/virtio_ring.c' line='1926' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_disable_cb'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1926' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='virtqueue_enable_cb' mangled-name='virtqueue_enable_cb' filepath='drivers/virtio/virtio_ring.c' line='1991' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_enable_cb'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1991' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtqueue_enable_cb_delayed' mangled-name='virtqueue_enable_cb_delayed' filepath='drivers/virtio/virtio_ring.c' line='2012' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_enable_cb_delayed'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2012' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtqueue_enable_cb_prepare' mangled-name='virtqueue_enable_cb_prepare' filepath='drivers/virtio/virtio_ring.c' line='1949' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_enable_cb_prepare'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1949' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='virtqueue_get_avail_addr' mangled-name='virtqueue_get_avail_addr' filepath='drivers/virtio/virtio_ring.c' line='2307' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_avail_addr'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2307' column='1'/>
+ <return type-id='cf29c9b3'/>
+ </function-decl>
+ <function-decl name='virtqueue_get_buf' mangled-name='virtqueue_get_buf' filepath='drivers/virtio/virtio_ring.c' line='1912' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_buf'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1912' column='1'/>
+ <parameter type-id='807869d3' name='len' filepath='drivers/virtio/virtio_ring.c' line='1912' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='virtqueue_get_buf_ctx' mangled-name='virtqueue_get_buf_ctx' filepath='drivers/virtio/virtio_ring.c' line='1902' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_buf_ctx'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1902' column='1'/>
+ <parameter type-id='807869d3' name='len' filepath='drivers/virtio/virtio_ring.c' line='1902' column='1'/>
+ <parameter type-id='63e171df' name='ctx' filepath='drivers/virtio/virtio_ring.c' line='1903' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='virtqueue_get_desc_addr' mangled-name='virtqueue_get_desc_addr' filepath='drivers/virtio/virtio_ring.c' line='2294' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_desc_addr'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2294' column='1'/>
+ <return type-id='cf29c9b3'/>
+ </function-decl>
+ <function-decl name='virtqueue_get_used_addr' mangled-name='virtqueue_get_used_addr' filepath='drivers/virtio/virtio_ring.c' line='2321' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_used_addr'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2321' column='1'/>
+ <return type-id='cf29c9b3'/>
+ </function-decl>
+ <function-decl name='virtqueue_get_vring_size' mangled-name='virtqueue_get_vring_size' filepath='drivers/virtio/virtio_ring.c' line='2260' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_get_vring_size'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2260' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='virtqueue_is_broken' mangled-name='virtqueue_is_broken' filepath='drivers/virtio/virtio_ring.c' line='2269' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_is_broken'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2269' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtqueue_kick' mangled-name='virtqueue_kick' filepath='drivers/virtio/virtio_ring.c' line='1877' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_kick'>
+ <parameter type-id='91d0de51' name='vq' filepath='drivers/virtio/virtio_ring.c' line='1877' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtqueue_kick_prepare' mangled-name='virtqueue_kick_prepare' filepath='drivers/virtio/virtio_ring.c' line='1832' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_kick_prepare'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1832' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtqueue_notify' mangled-name='virtqueue_notify' filepath='drivers/virtio/virtio_ring.c' line='1849' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_notify'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1849' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='virtqueue_poll' mangled-name='virtqueue_poll' filepath='drivers/virtio/virtio_ring.c' line='1967' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='virtqueue_poll'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='1967' column='1'/>
+ <parameter type-id='f0981eeb' name='last_used_idx' filepath='drivers/virtio/virtio_ring.c' line='1967' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <var-decl name='vm_event_states' type-id='8c8f5291' mangled-name='vm_event_states' visibility='default' filepath='mm/vmstat.c' line='108' column='1' elf-symbol-id='vm_event_states'/>
+ <function-decl name='vm_get_page_prot' mangled-name='vm_get_page_prot' filepath='mm/mmap.c' line='110' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_get_page_prot'>
+ <parameter type-id='7359adad' name='vm_flags' filepath='mm/mmap.c' line='110' column='1'/>
+ <return type-id='2e2dcbd3'/>
+ </function-decl>
+ <function-decl name='vm_insert_page' mangled-name='vm_insert_page' filepath='mm/memory.c' line='1874' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_insert_page'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='1874' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='1874' column='1'/>
+ <parameter type-id='02f11ed4' name='page' filepath='mm/memory.c' line='1875' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vm_iomap_memory' mangled-name='vm_iomap_memory' filepath='mm/memory.c' line='2400' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_iomap_memory'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2400' column='1'/>
+ <parameter type-id='2522883d' name='start' filepath='mm/memory.c' line='2400' column='1'/>
+ <parameter type-id='7359adad' name='len' filepath='mm/memory.c' line='2400' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vm_map_pages' mangled-name='vm_map_pages' filepath='mm/memory.c' line='1944' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_map_pages'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='1944' column='1'/>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/memory.c' line='1944' column='1'/>
+ <parameter type-id='7359adad' name='num' filepath='mm/memory.c' line='1945' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vm_map_ram' mangled-name='vm_map_ram' filepath='mm/vmalloc.c' line='1845' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_map_ram'>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/vmalloc.c' line='1845' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='mm/vmalloc.c' line='1845' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='mm/vmalloc.c' line='1845' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vm_memory_committed' mangled-name='vm_memory_committed' filepath='mm/util.c' line='847' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_memory_committed'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='vm_mmap' mangled-name='vm_mmap' filepath='mm/util.c' line='522' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_mmap'>
+ <parameter type-id='77e79a4b' name='file' filepath='mm/util.c' line='522' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/util.c' line='522' column='1'/>
+ <parameter type-id='7359adad' name='len' filepath='mm/util.c' line='523' column='1'/>
+ <parameter type-id='7359adad' name='prot' filepath='mm/util.c' line='523' column='1'/>
+ <parameter type-id='7359adad' name='flag' filepath='mm/util.c' line='524' column='1'/>
+ <parameter type-id='7359adad' name='offset' filepath='mm/util.c' line='524' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='vm_munmap' mangled-name='vm_munmap' filepath='mm/mmap.c' line='3051' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_munmap'>
+ <parameter type-id='7359adad' name='start' filepath='mm/mmap.c' line='3051' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='mm/mmap.c' line='3051' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <var-decl name='vm_node_stat' type-id='9dc2293d' mangled-name='vm_node_stat' visibility='default' filepath='mm/vmstat.c' line='165' column='1' elf-symbol-id='vm_node_stat'/>
+ <function-decl name='vm_unmap_ram' mangled-name='vm_unmap_ram' filepath='mm/vmalloc.c' line='1803' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_unmap_ram'>
+ <parameter type-id='eaa32e2f' name='mem' filepath='mm/vmalloc.c' line='1803' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='mm/vmalloc.c' line='1803' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vm_unmapped_area' mangled-name='vm_unmapped_area' filepath='mm/mmap.c' line='2207' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vm_unmapped_area'>
+ <parameter type-id='452b82fa' name='info' filepath='mm/mmap.c' line='2207' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <var-decl name='vm_zone_stat' type-id='84ab35b9' mangled-name='vm_zone_stat' visibility='default' filepath='mm/vmstat.c' line='163' column='1' elf-symbol-id='vm_zone_stat'/>
+ <function-decl name='vmalloc' mangled-name='vmalloc' filepath='mm/vmalloc.c' line='2639' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc'>
+ <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2639' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vmalloc_nr_pages' mangled-name='vmalloc_nr_pages' filepath='mm/vmalloc.c' line='490' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc_nr_pages'>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='vmalloc_to_page' mangled-name='vmalloc_to_page' filepath='mm/vmalloc.c' line='350' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc_to_page'>
+ <parameter type-id='eaa32e2f' name='vmalloc_addr' filepath='mm/vmalloc.c' line='350' column='1'/>
+ <return type-id='02f11ed4'/>
+ </function-decl>
+ <function-decl name='vmalloc_to_pfn' mangled-name='vmalloc_to_pfn' filepath='mm/vmalloc.c' line='401' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc_to_pfn'>
+ <parameter type-id='eaa32e2f' name='vmalloc_addr' filepath='mm/vmalloc.c' line='401' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='vmalloc_user' mangled-name='vmalloc_user' filepath='mm/vmalloc.c' line='2675' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmalloc_user'>
+ <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2675' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vmap' mangled-name='vmap' filepath='mm/vmalloc.c' line='2391' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmap'>
+ <parameter type-id='9f93c9da' name='pages' filepath='mm/vmalloc.c' line='2391' column='1'/>
+ <parameter type-id='f0981eeb' name='count' filepath='mm/vmalloc.c' line='2391' column='1'/>
+ <parameter type-id='7359adad' name='flags' filepath='mm/vmalloc.c' line='2392' column='1'/>
+ <parameter type-id='2e2dcbd3' name='prot' filepath='mm/vmalloc.c' line='2392' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vmemdup_user' mangled-name='vmemdup_user' filepath='mm/util.c' line='198' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmemdup_user'>
+ <parameter type-id='eaa32e2f' name='src' filepath='mm/util.c' line='198' column='1'/>
+ <parameter type-id='b59d7dce' name='len' filepath='mm/util.c' line='198' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vmf_insert_mixed' mangled-name='vmf_insert_mixed' filepath='mm/memory.c' line='2194' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmf_insert_mixed'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2194' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2194' column='1'/>
+ <parameter type-id='abe59ef3' name='pfn' filepath='mm/memory.c' line='2195' column='1'/>
+ <return type-id='e9265215'/>
+ </function-decl>
+ <function-decl name='vmf_insert_pfn' mangled-name='vmf_insert_pfn' filepath='mm/memory.c' line='2094' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmf_insert_pfn'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2094' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2094' column='1'/>
+ <parameter type-id='7359adad' name='pfn' filepath='mm/memory.c' line='2095' column='1'/>
+ <return type-id='e9265215'/>
+ </function-decl>
+ <function-decl name='vmf_insert_pfn_prot' mangled-name='vmf_insert_pfn_prot' filepath='mm/memory.c' line='2046' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vmf_insert_pfn_prot'>
+ <parameter type-id='2ae08426' name='vma' filepath='mm/memory.c' line='2046' column='1'/>
+ <parameter type-id='7359adad' name='addr' filepath='mm/memory.c' line='2046' column='1'/>
+ <parameter type-id='7359adad' name='pfn' filepath='mm/memory.c' line='2047' column='1'/>
+ <parameter type-id='2e2dcbd3' name='pgprot' filepath='mm/memory.c' line='2047' column='1'/>
+ <return type-id='e9265215'/>
+ </function-decl>
+ <function-decl name='vprintk' mangled-name='vprintk' filepath='kernel/printk/printk.c' line='2070' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vprintk'>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='2070' column='1'/>
+ <parameter type-id='2aee9912' name='args' filepath='kernel/printk/printk.c' line='2070' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vprintk_emit' mangled-name='vprintk_emit' filepath='kernel/printk/printk.c' line='2022' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vprintk_emit'>
+ <parameter type-id='95e97e5e' name='facility' filepath='kernel/printk/printk.c' line='2022' column='1'/>
+ <parameter type-id='95e97e5e' name='level' filepath='kernel/printk/printk.c' line='2022' column='1'/>
+ <parameter type-id='da8b7bcd' name='dev_info' filepath='kernel/printk/printk.c' line='2023' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='kernel/printk/printk.c' line='2024' column='1'/>
+ <parameter type-id='2aee9912' name='args' filepath='kernel/printk/printk.c' line='2024' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vring_create_virtqueue' mangled-name='vring_create_virtqueue' filepath='drivers/virtio/virtio_ring.c' line='2142' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_create_virtqueue'>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/virtio/virtio_ring.c' line='2143' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='2144' column='1'/>
+ <parameter type-id='f0981eeb' name='vring_align' filepath='drivers/virtio/virtio_ring.c' line='2145' column='1'/>
+ <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='2146' column='1'/>
+ <parameter type-id='b50a4934' name='weak_barriers' filepath='drivers/virtio/virtio_ring.c' line='2147' column='1'/>
+ <parameter type-id='b50a4934' name='may_reduce_num' filepath='drivers/virtio/virtio_ring.c' line='2148' column='1'/>
+ <parameter type-id='b50a4934' name='context' filepath='drivers/virtio/virtio_ring.c' line='2149' column='1'/>
+ <parameter type-id='3098d84b' name='notify' filepath='drivers/virtio/virtio_ring.c' line='2150' column='1'/>
+ <parameter type-id='c881e0a0' name='callback' filepath='drivers/virtio/virtio_ring.c' line='2151' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/virtio/virtio_ring.c' line='2152' column='1'/>
+ <return type-id='91d0de51'/>
+ </function-decl>
+ <function-decl name='vring_del_virtqueue' mangled-name='vring_del_virtqueue' filepath='drivers/virtio/virtio_ring.c' line='2189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_del_virtqueue'>
+ <parameter type-id='91d0de51' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2189' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vring_interrupt' mangled-name='vring_interrupt' filepath='drivers/virtio/virtio_ring.c' line='2043' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_interrupt'>
+ <parameter type-id='95e97e5e' name='irq' filepath='drivers/virtio/virtio_ring.c' line='2043' column='1'/>
+ <parameter type-id='eaa32e2f' name='_vq' filepath='drivers/virtio/virtio_ring.c' line='2043' column='1'/>
+ <return type-id='4bdecfd7'/>
+ </function-decl>
+ <function-decl name='vring_new_virtqueue' mangled-name='vring_new_virtqueue' filepath='drivers/virtio/virtio_ring.c' line='2167' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_new_virtqueue'>
+ <parameter type-id='f0981eeb' name='index' filepath='drivers/virtio/virtio_ring.c' line='2167' column='1'/>
+ <parameter type-id='f0981eeb' name='num' filepath='drivers/virtio/virtio_ring.c' line='2168' column='1'/>
+ <parameter type-id='f0981eeb' name='vring_align' filepath='drivers/virtio/virtio_ring.c' line='2169' column='1'/>
+ <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='2170' column='1'/>
+ <parameter type-id='b50a4934' name='weak_barriers' filepath='drivers/virtio/virtio_ring.c' line='2171' column='1'/>
+ <parameter type-id='b50a4934' name='context' filepath='drivers/virtio/virtio_ring.c' line='2172' column='1'/>
+ <parameter type-id='eaa32e2f' name='pages' filepath='drivers/virtio/virtio_ring.c' line='2173' column='1'/>
+ <parameter type-id='3098d84b' name='notify' filepath='drivers/virtio/virtio_ring.c' line='2174' column='1'/>
+ <parameter type-id='c881e0a0' name='callback' filepath='drivers/virtio/virtio_ring.c' line='2175' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/virtio/virtio_ring.c' line='2176' column='1'/>
+ <return type-id='91d0de51'/>
+ </function-decl>
+ <function-decl name='vring_transport_features' mangled-name='vring_transport_features' filepath='drivers/virtio/virtio_ring.c' line='2227' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vring_transport_features'>
+ <parameter type-id='5dbfcbb1' name='vdev' filepath='drivers/virtio/virtio_ring.c' line='2227' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vscnprintf' mangled-name='vscnprintf' filepath='lib/vsprintf.c' line='2775' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vscnprintf'>
+ <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2775' column='1'/>
+ <parameter type-id='b59d7dce' name='size' filepath='lib/vsprintf.c' line='2775' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2775' column='1'/>
+ <parameter type-id='2aee9912' name='args' filepath='lib/vsprintf.c' line='2775' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vsnprintf' mangled-name='vsnprintf' filepath='include/linux/kernel.h' line='481' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsnprintf'>
+ <parameter type-id='26a90f95'/>
+ <parameter type-id='7359adad'/>
+ <parameter type-id='80f4b756'/>
+ <parameter type-id='5f919c1f'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vsock_addr_init' mangled-name='vsock_addr_init' filepath='net/vmw_vsock/vsock_addr.c' line='14' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_addr_init'>
+ <parameter type-id='b6a6ca60' name='addr' filepath='net/vmw_vsock/vsock_addr.c' line='14' column='1'/>
+ <parameter type-id='19c2251e' name='cid' filepath='net/vmw_vsock/vsock_addr.c' line='14' column='1'/>
+ <parameter type-id='19c2251e' name='port' filepath='net/vmw_vsock/vsock_addr.c' line='14' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vsock_core_register' mangled-name='vsock_core_register' filepath='net/vmw_vsock/af_vsock.c' line='2169' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_core_register'>
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+ <parameter type-id='95e97e5e' name='features' filepath='net/vmw_vsock/af_vsock.c' line='2169' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vsock_core_unregister' mangled-name='vsock_core_unregister' filepath='net/vmw_vsock/af_vsock.c' line='2225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_core_unregister'>
+ <parameter type-id='c6c5bd96' name='t' filepath='net/vmw_vsock/af_vsock.c' line='2225' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vsock_for_each_connected_socket' mangled-name='vsock_for_each_connected_socket' filepath='net/vmw_vsock/af_vsock.c' line='336' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_for_each_connected_socket'>
+ <parameter type-id='841969d0' name='fn' filepath='net/vmw_vsock/af_vsock.c' line='336' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vsock_remove_sock' mangled-name='vsock_remove_sock' filepath='net/vmw_vsock/af_vsock.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsock_remove_sock'>
+ <parameter type-id='ecb0ce18' name='vsk' filepath='net/vmw_vsock/af_vsock.c' line='329' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vsprintf' mangled-name='vsprintf' filepath='lib/vsprintf.c' line='2854' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsprintf'>
+ <parameter type-id='26a90f95' name='buf' filepath='lib/vsprintf.c' line='2854' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='2854' column='1'/>
+ <parameter type-id='2aee9912' name='args' filepath='lib/vsprintf.c' line='2854' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vsscanf' mangled-name='vsscanf' filepath='lib/vsprintf.c' line='3288' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vsscanf'>
+ <parameter type-id='80f4b756' name='buf' filepath='lib/vsprintf.c' line='3288' column='1'/>
+ <parameter type-id='80f4b756' name='fmt' filepath='lib/vsprintf.c' line='3288' column='1'/>
+ <parameter type-id='2aee9912' name='args' filepath='lib/vsprintf.c' line='3288' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='vunmap' mangled-name='vunmap' filepath='mm/vmalloc.c' line='2367' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vunmap'>
+ <parameter type-id='eaa32e2f' name='addr' filepath='mm/vmalloc.c' line='2367' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='vzalloc' mangled-name='vzalloc' filepath='mm/vmalloc.c' line='2659' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vzalloc'>
+ <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2659' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='vzalloc_node' mangled-name='vzalloc_node' filepath='mm/vmalloc.c' line='2715' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='vzalloc_node'>
+ <parameter type-id='7359adad' name='size' filepath='mm/vmalloc.c' line='2715' column='1'/>
+ <parameter type-id='95e97e5e' name='node' filepath='mm/vmalloc.c' line='2715' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='wait_for_completion' mangled-name='wait_for_completion' filepath='kernel/sched/completion.c' line='136' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='136' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wait_for_completion_interruptible' mangled-name='wait_for_completion_interruptible' filepath='kernel/sched/completion.c' line='204' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_interruptible'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='204' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='wait_for_completion_interruptible_timeout' mangled-name='wait_for_completion_interruptible_timeout' filepath='kernel/sched/completion.c' line='225' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_interruptible_timeout'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='225' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='226' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='wait_for_completion_io_timeout' mangled-name='wait_for_completion_io_timeout' filepath='kernel/sched/completion.c' line='189' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_io_timeout'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='189' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='189' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='wait_for_completion_killable' mangled-name='wait_for_completion_killable' filepath='kernel/sched/completion.c' line='241' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_killable'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='241' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='wait_for_completion_killable_timeout' mangled-name='wait_for_completion_killable_timeout' filepath='kernel/sched/completion.c' line='263' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_killable_timeout'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='263' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='264' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='wait_for_completion_timeout' mangled-name='wait_for_completion_timeout' filepath='kernel/sched/completion.c' line='155' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_completion_timeout'>
+ <parameter type-id='389faaf7' name='x' filepath='kernel/sched/completion.c' line='155' column='1'/>
+ <parameter type-id='7359adad' name='timeout' filepath='kernel/sched/completion.c' line='155' column='1'/>
+ <return type-id='7359adad'/>
+ </function-decl>
+ <function-decl name='wait_for_device_probe' mangled-name='wait_for_device_probe' filepath='drivers/base/dd.c' line='704' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_for_device_probe'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wait_woken' mangled-name='wait_woken' filepath='kernel/sched/wait.c' line='433' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wait_woken'>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='433' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='433' column='1'/>
+ <parameter type-id='bd54fe1a' name='timeout' filepath='kernel/sched/wait.c' line='433' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='wake_up_bit' mangled-name='wake_up_bit' filepath='kernel/sched/wait_bit.c' line='147' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wake_up_bit'>
+ <parameter type-id='eaa32e2f' name='word' filepath='kernel/sched/wait_bit.c' line='147' column='1'/>
+ <parameter type-id='95e97e5e' name='bit' filepath='kernel/sched/wait_bit.c' line='147' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wake_up_if_idle' mangled-name='wake_up_if_idle' filepath='kernel/sched/core.c' line='2819' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wake_up_if_idle'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/sched/core.c' line='2819' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wake_up_process' mangled-name='wake_up_process' filepath='kernel/sched/core.c' line='3276' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wake_up_process'>
+ <parameter type-id='f23e2572' name='p' filepath='kernel/sched/core.c' line='3276' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='wakeup_source_add' mangled-name='wakeup_source_add' filepath='drivers/base/power/wakeup.c' line='174' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_add'>
+ <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='174' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wakeup_source_create' mangled-name='wakeup_source_create' filepath='drivers/base/power/wakeup.c' line='87' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_create'>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/power/wakeup.c' line='87' column='1'/>
+ <return type-id='1ea237a6'/>
+ </function-decl>
+ <function-decl name='wakeup_source_destroy' mangled-name='wakeup_source_destroy' filepath='drivers/base/power/wakeup.c' line='159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_destroy'>
+ <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='159' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wakeup_source_register' mangled-name='wakeup_source_register' filepath='drivers/base/power/wakeup.c' line='221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_register'>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/base/power/wakeup.c' line='221' column='1'/>
+ <parameter type-id='80f4b756' name='name' filepath='drivers/base/power/wakeup.c' line='222' column='1'/>
+ <return type-id='1ea237a6'/>
+ </function-decl>
+ <function-decl name='wakeup_source_remove' mangled-name='wakeup_source_remove' filepath='drivers/base/power/wakeup.c' line='195' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_remove'>
+ <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='195' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wakeup_source_unregister' mangled-name='wakeup_source_unregister' filepath='drivers/base/power/wakeup.c' line='246' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wakeup_source_unregister'>
+ <parameter type-id='1ea237a6' name='ws' filepath='drivers/base/power/wakeup.c' line='246' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='watchdog_init_timeout' mangled-name='watchdog_init_timeout' filepath='drivers/watchdog/watchdog_core.c' line='114' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_init_timeout'>
+ <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='114' column='1'/>
+ <parameter type-id='f0981eeb' name='timeout_parm' filepath='drivers/watchdog/watchdog_core.c' line='115' column='1'/>
+ <parameter type-id='fa0b179b' name='dev' filepath='drivers/watchdog/watchdog_core.c' line='115' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='watchdog_register_device' mangled-name='watchdog_register_device' filepath='drivers/watchdog/watchdog_core.c' line='309' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_register_device'>
+ <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='309' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='watchdog_set_restart_priority' mangled-name='watchdog_set_restart_priority' filepath='drivers/watchdog/watchdog_core.c' line='202' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_set_restart_priority'>
+ <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='202' column='1'/>
+ <parameter type-id='95e97e5e' name='priority' filepath='drivers/watchdog/watchdog_core.c' line='202' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='watchdog_unregister_device' mangled-name='watchdog_unregister_device' filepath='drivers/watchdog/watchdog_core.c' line='355' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='watchdog_unregister_device'>
+ <parameter type-id='7bf5a5e5' name='wdd' filepath='drivers/watchdog/watchdog_core.c' line='355' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wireless_nlevent_flush' mangled-name='wireless_nlevent_flush' filepath='net/wireless/wext-core.c' line='345' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wireless_nlevent_flush'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='wireless_send_event' mangled-name='wireless_send_event' filepath='net/wireless/wext-core.c' line='451' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='wireless_send_event'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/wireless/wext-core.c' line='451' column='1'/>
+ <parameter type-id='f0981eeb' name='cmd' filepath='net/wireless/wext-core.c' line='452' column='1'/>
+ <parameter type-id='00e2a7ce' name='wrqu' filepath='net/wireless/wext-core.c' line='453' column='1'/>
+ <parameter type-id='80f4b756' name='extra' filepath='net/wireless/wext-core.c' line='454' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='woken_wake_function' mangled-name='woken_wake_function' filepath='kernel/sched/wait.c' line='458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='woken_wake_function'>
+ <parameter type-id='db9d03e3' name='wq_entry' filepath='kernel/sched/wait.c' line='458' column='1'/>
+ <parameter type-id='f0981eeb' name='mode' filepath='kernel/sched/wait.c' line='458' column='1'/>
+ <parameter type-id='95e97e5e' name='sync' filepath='kernel/sched/wait.c' line='459' column='1'/>
+ <parameter type-id='eaa32e2f' name='key' filepath='kernel/sched/wait.c' line='459' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='work_busy' mangled-name='work_busy' filepath='kernel/workqueue.c' line='4593' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='work_busy'>
+ <parameter type-id='83c1bde6' name='work' filepath='kernel/workqueue.c' line='4593' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='work_on_cpu' mangled-name='work_on_cpu' filepath='kernel/workqueue.c' line='5149' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='work_on_cpu'>
+ <parameter type-id='95e97e5e' name='cpu' filepath='kernel/workqueue.c' line='5149' column='1'/>
+ <parameter type-id='68883d61' name='fn' filepath='kernel/workqueue.c' line='5149' column='1'/>
+ <parameter type-id='eaa32e2f' name='arg' filepath='kernel/workqueue.c' line='5149' column='1'/>
+ <return type-id='bd54fe1a'/>
+ </function-decl>
+ <function-decl name='ww_mutex_lock' mangled-name='ww_mutex_lock' filepath='kernel/locking/mutex.c' line='1443' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ww_mutex_lock'>
+ <parameter type-id='7533ba6f' name='lock' filepath='kernel/locking/mutex.c' line='1443' column='1'/>
+ <parameter type-id='c1d02a64' name='ctx' filepath='kernel/locking/mutex.c' line='1443' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ww_mutex_lock_interruptible' mangled-name='ww_mutex_lock_interruptible' filepath='kernel/locking/mutex.c' line='1458' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ww_mutex_lock_interruptible'>
+ <parameter type-id='7533ba6f' name='lock' filepath='kernel/locking/mutex.c' line='1458' column='1'/>
+ <parameter type-id='c1d02a64' name='ctx' filepath='kernel/locking/mutex.c' line='1458' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='ww_mutex_unlock' mangled-name='ww_mutex_unlock' filepath='kernel/locking/mutex.c' line='770' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='ww_mutex_unlock'>
+ <parameter type-id='7533ba6f' name='lock' filepath='kernel/locking/mutex.c' line='770' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xa_destroy' mangled-name='xa_destroy' filepath='lib/xarray.c' line='2199' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_destroy'>
+ <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='2199' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xa_erase' mangled-name='xa_erase' filepath='lib/xarray.c' line='1505' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_erase'>
+ <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1505' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1505' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='xa_find' mangled-name='xa_find' filepath='lib/xarray.c' line='2005' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_find'>
+ <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='2005' column='1'/>
+ <parameter type-id='1d2c2b85' name='indexp' filepath='lib/xarray.c' line='2005' column='1'/>
+ <parameter type-id='7359adad' name='max' filepath='lib/xarray.c' line='2006' column='1'/>
+ <parameter type-id='933bf462' name='filter' filepath='lib/xarray.c' line='2006' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='xa_find_after' mangled-name='xa_find_after' filepath='lib/xarray.c' line='2055' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_find_after'>
+ <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='2055' column='1'/>
+ <parameter type-id='1d2c2b85' name='indexp' filepath='lib/xarray.c' line='2055' column='1'/>
+ <parameter type-id='7359adad' name='max' filepath='lib/xarray.c' line='2056' column='1'/>
+ <parameter type-id='933bf462' name='filter' filepath='lib/xarray.c' line='2056' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='xa_load' mangled-name='xa_load' filepath='lib/xarray.c' line='1448' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_load'>
+ <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1448' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1448' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='xa_store' mangled-name='xa_store' filepath='lib/xarray.c' line='1569' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xa_store'>
+ <parameter type-id='60075f2a' name='xa' filepath='lib/xarray.c' line='1569' column='1'/>
+ <parameter type-id='7359adad' name='index' filepath='lib/xarray.c' line='1569' column='1'/>
+ <parameter type-id='eaa32e2f' name='entry' filepath='lib/xarray.c' line='1569' column='1'/>
+ <parameter type-id='3eb7c31c' name='gfp' filepath='lib/xarray.c' line='1569' column='1'/>
+ <return type-id='eaa32e2f'/>
+ </function-decl>
+ <function-decl name='xdp_convert_zc_to_xdp_frame' mangled-name='xdp_convert_zc_to_xdp_frame' filepath='net/core/xdp.c' line='417' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_convert_zc_to_xdp_frame'>
+ <parameter type-id='38ed603d' name='xdp' filepath='net/core/xdp.c' line='417' column='1'/>
+ <return type-id='cb1c5129'/>
+ </function-decl>
+ <function-decl name='xdp_do_flush' mangled-name='xdp_do_flush' filepath='net/core/filter.c' line='3918' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_do_flush'>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xdp_do_redirect' mangled-name='xdp_do_redirect' filepath='net/core/filter.c' line='3959' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_do_redirect'>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/filter.c' line='3959' column='1'/>
+ <parameter type-id='38ed603d' name='xdp' filepath='net/core/filter.c' line='3959' column='1'/>
+ <parameter type-id='bdcee7ae' name='xdp_prog' filepath='net/core/filter.c' line='3960' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xdp_return_frame' mangled-name='xdp_return_frame' filepath='net/core/xdp.c' line='375' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_return_frame'>
+ <parameter type-id='cb1c5129' name='xdpf' filepath='net/core/xdp.c' line='375' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xdp_return_frame_rx_napi' mangled-name='xdp_return_frame_rx_napi' filepath='net/core/xdp.c' line='381' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_return_frame_rx_napi'>
+ <parameter type-id='cb1c5129' name='xdpf' filepath='net/core/xdp.c' line='381' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xdp_rxq_info_reg' mangled-name='xdp_rxq_info_reg' filepath='net/core/xdp.c' line='160' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_rxq_info_reg'>
+ <parameter type-id='8e35a44c' name='xdp_rxq' filepath='net/core/xdp.c' line='160' column='1'/>
+ <parameter type-id='68a2d05b' name='dev' filepath='net/core/xdp.c' line='161' column='1'/>
+ <parameter type-id='19c2251e' name='queue_index' filepath='net/core/xdp.c' line='161' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xdp_rxq_info_reg_mem_model' mangled-name='xdp_rxq_info_reg_mem_model' filepath='net/core/xdp.c' line='262' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_rxq_info_reg_mem_model'>
+ <parameter type-id='8e35a44c' name='xdp_rxq' filepath='net/core/xdp.c' line='262' column='1'/>
+ <parameter type-id='8abc4a7f' name='type' filepath='net/core/xdp.c' line='263' column='1'/>
+ <parameter type-id='eaa32e2f' name='allocator' filepath='net/core/xdp.c' line='263' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xdp_rxq_info_unreg' mangled-name='xdp_rxq_info_unreg' filepath='net/core/xdp.c' line='135' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_rxq_info_unreg'>
+ <parameter type-id='8e35a44c' name='xdp_rxq' filepath='net/core/xdp.c' line='135' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xdp_warn' mangled-name='xdp_warn' filepath='net/core/xdp.c' line='457' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xdp_warn'>
+ <parameter type-id='80f4b756' name='msg' filepath='net/core/xdp.c' line='457' column='1'/>
+ <parameter type-id='80f4b756' name='func' filepath='net/core/xdp.c' line='457' column='1'/>
+ <parameter type-id='2448a865' name='line' filepath='net/core/xdp.c' line='457' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xfrm_lookup' mangled-name='xfrm_lookup' filepath='net/xfrm/xfrm_policy.c' line='3183' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xfrm_lookup'>
+ <parameter type-id='a2bff676' name='net' filepath='net/xfrm/xfrm_policy.c' line='3183' column='1'/>
+ <parameter type-id='141b6427' name='dst_orig' filepath='net/xfrm/xfrm_policy.c' line='3183' column='1'/>
+ <parameter type-id='c76694b7' name='fl' filepath='net/xfrm/xfrm_policy.c' line='3184' column='1'/>
+ <parameter type-id='78e7cf52' name='sk' filepath='net/xfrm/xfrm_policy.c' line='3184' column='1'/>
+ <parameter type-id='95e97e5e' name='flags' filepath='net/xfrm/xfrm_policy.c' line='3185' column='1'/>
+ <return type-id='141b6427'/>
+ </function-decl>
+ <function-decl name='xfrm_output' mangled-name='xfrm_output' filepath='net/xfrm/xfrm_output.c' line='566' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xfrm_output'>
+ <parameter type-id='f772df6d' name='sk' filepath='net/xfrm/xfrm_output.c' line='566' column='1'/>
+ <parameter type-id='0fbf3cfd' name='skb' filepath='net/xfrm/xfrm_output.c' line='566' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xfrm_state_lookup_byspi' mangled-name='xfrm_state_lookup_byspi' filepath='net/xfrm/xfrm_state.c' line='1221' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xfrm_state_lookup_byspi'>
+ <parameter type-id='a2bff676' name='net' filepath='net/xfrm/xfrm_state.c' line='1221' column='1'/>
+ <parameter type-id='78a133c2' name='spi' filepath='net/xfrm/xfrm_state.c' line='1221' column='1'/>
+ <parameter type-id='8efea9e5' name='family' filepath='net/xfrm/xfrm_state.c' line='1222' column='1'/>
+ <return type-id='328dda6e'/>
+ </function-decl>
+ <function-decl name='xfrm_stateonly_find' mangled-name='xfrm_stateonly_find' filepath='net/xfrm/xfrm_state.c' line='1188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xfrm_stateonly_find'>
+ <parameter type-id='a2bff676' name='net' filepath='net/xfrm/xfrm_state.c' line='1188' column='1'/>
+ <parameter type-id='19c2251e' name='mark' filepath='net/xfrm/xfrm_state.c' line='1188' column='1'/>
+ <parameter type-id='19c2251e' name='if_id' filepath='net/xfrm/xfrm_state.c' line='1188' column='1'/>
+ <parameter type-id='47a1c9f4' name='daddr' filepath='net/xfrm/xfrm_state.c' line='1189' column='1'/>
+ <parameter type-id='47a1c9f4' name='saddr' filepath='net/xfrm/xfrm_state.c' line='1189' column='1'/>
+ <parameter type-id='8efea9e5' name='family' filepath='net/xfrm/xfrm_state.c' line='1190' column='1'/>
+ <parameter type-id='f9b06939' name='mode' filepath='net/xfrm/xfrm_state.c' line='1190' column='1'/>
+ <parameter type-id='f9b06939' name='proto' filepath='net/xfrm/xfrm_state.c' line='1190' column='1'/>
+ <parameter type-id='19c2251e' name='reqid' filepath='net/xfrm/xfrm_state.c' line='1190' column='1'/>
+ <return type-id='328dda6e'/>
+ </function-decl>
+ <function-decl name='xhci_add_endpoint' mangled-name='xhci_add_endpoint' filepath='drivers/usb/host/xhci.c' line='1832' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_add_endpoint'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='1832' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/host/xhci.c' line='1832' column='1'/>
+ <parameter type-id='15adb516' name='ep' filepath='drivers/usb/host/xhci.c' line='1833' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_address_device' mangled-name='xhci_address_device' filepath='drivers/usb/host/xhci.c' line='4226' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_address_device'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='4226' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/host/xhci.c' line='4226' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_alloc_command' mangled-name='xhci_alloc_command' filepath='drivers/usb/host/xhci-mem.c' line='1814' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_alloc_command'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='1814' column='1'/>
+ <parameter type-id='b50a4934' name='allocate_completion' filepath='drivers/usb/host/xhci-mem.c' line='1815' column='1'/>
+ <parameter type-id='3eb7c31c' name='mem_flags' filepath='drivers/usb/host/xhci-mem.c' line='1815' column='1'/>
+ <return type-id='5a32bd4b'/>
+ </function-decl>
+ <function-decl name='xhci_alloc_erst' mangled-name='xhci_alloc_erst' filepath='drivers/usb/host/xhci-mem.c' line='1875' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_alloc_erst'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='1875' column='1'/>
+ <parameter type-id='52a50596' name='evt_ring' filepath='drivers/usb/host/xhci-mem.c' line='1876' column='1'/>
+ <parameter type-id='d7409d08' name='erst' filepath='drivers/usb/host/xhci-mem.c' line='1877' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='drivers/usb/host/xhci-mem.c' line='1878' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_bus_resume' mangled-name='xhci_bus_resume' filepath='drivers/usb/host/xhci-hub.c' line='1758' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_bus_resume'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci-hub.c' line='1758' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_bus_suspend' mangled-name='xhci_bus_suspend' filepath='drivers/usb/host/xhci-hub.c' line='1599' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_bus_suspend'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci-hub.c' line='1599' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_check_bandwidth' mangled-name='xhci_check_bandwidth' filepath='drivers/usb/host/xhci.c' line='2876' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_check_bandwidth'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='2876' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/host/xhci.c' line='2876' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_check_trb_in_td_math' mangled-name='xhci_check_trb_in_td_math' filepath='drivers/usb/host/xhci-mem.c' line='2079' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_check_trb_in_td_math'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='2079' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_drop_endpoint' mangled-name='xhci_drop_endpoint' filepath='drivers/usb/host/xhci.c' line='1749' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_drop_endpoint'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='1749' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/host/xhci.c' line='1749' column='1'/>
+ <parameter type-id='15adb516' name='ep' filepath='drivers/usb/host/xhci.c' line='1750' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_free_command' mangled-name='xhci_free_command' filepath='drivers/usb/host/xhci-mem.c' line='1865' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_free_command'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='1865' column='1'/>
+ <parameter type-id='5a32bd4b' name='command' filepath='drivers/usb/host/xhci-mem.c' line='1866' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_free_erst' mangled-name='xhci_free_erst' filepath='drivers/usb/host/xhci-mem.c' line='1906' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_free_erst'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='1906' column='1'/>
+ <parameter type-id='d7409d08' name='erst' filepath='drivers/usb/host/xhci-mem.c' line='1906' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_gen_setup' mangled-name='xhci_gen_setup' filepath='drivers/usb/host/xhci.c' line='5159' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_gen_setup'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='5159' column='1'/>
+ <parameter type-id='67f831c0' name='get_quirks' filepath='drivers/usb/host/xhci.c' line='5159' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_get_endpoint_index' mangled-name='xhci_get_endpoint_index' filepath='drivers/usb/host/xhci.c' line='1298' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_get_endpoint_index'>
+ <parameter type-id='a07d0491' name='desc' filepath='drivers/usb/host/xhci.c' line='1298' column='1'/>
+ <return type-id='f0981eeb'/>
+ </function-decl>
+ <function-decl name='xhci_get_ep_ctx' mangled-name='xhci_get_ep_ctx' filepath='drivers/usb/host/xhci-mem.c' line='594' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_get_ep_ctx'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='594' column='1'/>
+ <parameter type-id='971e404f' name='ctx' filepath='drivers/usb/host/xhci-mem.c' line='595' column='1'/>
+ <parameter type-id='f0981eeb' name='ep_index' filepath='drivers/usb/host/xhci-mem.c' line='596' column='1'/>
+ <return type-id='216753a5'/>
+ </function-decl>
+ <function-decl name='xhci_get_slot_ctx' mangled-name='xhci_get_slot_ctx' filepath='drivers/usb/host/xhci-mem.c' line='583' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_get_slot_ctx'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='583' column='1'/>
+ <parameter type-id='971e404f' name='ctx' filepath='drivers/usb/host/xhci-mem.c' line='584' column='1'/>
+ <return type-id='e42579ca'/>
+ </function-decl>
+ <function-decl name='xhci_handle_event' mangled-name='xhci_handle_event' filepath='drivers/usb/host/xhci-ring.c' line='2934' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_handle_event'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-ring.c' line='2934' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_init_driver' mangled-name='xhci_init_driver' filepath='drivers/usb/host/xhci.c' line='5403' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_init_driver'>
+ <parameter type-id='c07d5ba3' name='drv' filepath='drivers/usb/host/xhci.c' line='5403' column='1'/>
+ <parameter type-id='9a55ba3d' name='over' filepath='drivers/usb/host/xhci.c' line='5404' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_initialize_ring_info' mangled-name='xhci_initialize_ring_info' filepath='drivers/usb/host/xhci-mem.c' line='299' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_initialize_ring_info'>
+ <parameter type-id='52a50596' name='ring' filepath='drivers/usb/host/xhci-mem.c' line='299' column='1'/>
+ <parameter type-id='f0981eeb' name='cycle_state' filepath='drivers/usb/host/xhci-mem.c' line='300' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_link_segments' mangled-name='xhci_link_segments' filepath='drivers/usb/host/xhci-mem.c' line='100' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_link_segments'>
+ <parameter type-id='9689f21b' name='prev' filepath='drivers/usb/host/xhci-mem.c' line='100' column='1'/>
+ <parameter type-id='9689f21b' name='next' filepath='drivers/usb/host/xhci-mem.c' line='101' column='1'/>
+ <parameter type-id='b61681fc' name='type' filepath='drivers/usb/host/xhci-mem.c' line='102' column='1'/>
+ <parameter type-id='b50a4934' name='chain_links' filepath='drivers/usb/host/xhci-mem.c' line='102' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_queue_stop_endpoint' mangled-name='xhci_queue_stop_endpoint' filepath='drivers/usb/host/xhci-ring.c' line='4388' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_queue_stop_endpoint'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-ring.c' line='4388' column='1'/>
+ <parameter type-id='5a32bd4b' name='cmd' filepath='drivers/usb/host/xhci-ring.c' line='4388' column='1'/>
+ <parameter type-id='95e97e5e' name='slot_id' filepath='drivers/usb/host/xhci-ring.c' line='4389' column='1'/>
+ <parameter type-id='f0981eeb' name='ep_index' filepath='drivers/usb/host/xhci-ring.c' line='4389' column='1'/>
+ <parameter type-id='95e97e5e' name='suspend' filepath='drivers/usb/host/xhci-ring.c' line='4389' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_reset_bandwidth' mangled-name='xhci_reset_bandwidth' filepath='drivers/usb/host/xhci.c' line='2975' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_reset_bandwidth'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='2975' column='1'/>
+ <parameter type-id='25e60cb2' name='udev' filepath='drivers/usb/host/xhci.c' line='2975' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_resume' mangled-name='xhci_resume' filepath='drivers/usb/host/xhci.c' line='1085' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_resume'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci.c' line='1085' column='1'/>
+ <parameter type-id='b50a4934' name='hibernated' filepath='drivers/usb/host/xhci.c' line='1085' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_ring_alloc' mangled-name='xhci_ring_alloc' filepath='drivers/usb/host/xhci-mem.c' line='423' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_ring_alloc'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='423' column='1'/>
+ <parameter type-id='f0981eeb' name='num_segs' filepath='drivers/usb/host/xhci-mem.c' line='424' column='1'/>
+ <parameter type-id='f0981eeb' name='cycle_state' filepath='drivers/usb/host/xhci-mem.c' line='424' column='1'/>
+ <parameter type-id='b61681fc' name='type' filepath='drivers/usb/host/xhci-mem.c' line='425' column='1'/>
+ <parameter type-id='f0981eeb' name='max_packet' filepath='drivers/usb/host/xhci-mem.c' line='425' column='1'/>
+ <parameter type-id='3eb7c31c' name='flags' filepath='drivers/usb/host/xhci-mem.c' line='425' column='1'/>
+ <return type-id='52a50596'/>
+ </function-decl>
+ <function-decl name='xhci_ring_cmd_db' mangled-name='xhci_ring_cmd_db' filepath='drivers/usb/host/xhci-ring.c' line='302' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_ring_cmd_db'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-ring.c' line='302' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_ring_free' mangled-name='xhci_ring_free' filepath='drivers/usb/host/xhci-mem.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_ring_free'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='282' column='1'/>
+ <parameter type-id='52a50596' name='ring' filepath='drivers/usb/host/xhci-mem.c' line='282' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_run' mangled-name='xhci_run' filepath='drivers/usb/host/xhci.c' line='637' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_run'>
+ <parameter type-id='fc4f83c1' name='hcd' filepath='drivers/usb/host/xhci.c' line='637' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_segment_free' mangled-name='xhci_segment_free' filepath='drivers/usb/host/xhci-mem.c' line='68' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_segment_free'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-mem.c' line='68' column='1'/>
+ <parameter type-id='9689f21b' name='seg' filepath='drivers/usb/host/xhci-mem.c' line='68' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_suspend' mangled-name='xhci_suspend' filepath='drivers/usb/host/xhci.c' line='971' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_suspend'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci.c' line='971' column='1'/>
+ <parameter type-id='b50a4934' name='do_wakeup' filepath='drivers/usb/host/xhci.c' line='971' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='xhci_trb_virt_to_dma' mangled-name='xhci_trb_virt_to_dma' filepath='drivers/usb/host/xhci-ring.c' line='69' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_trb_virt_to_dma'>
+ <parameter type-id='9689f21b' name='seg' filepath='drivers/usb/host/xhci-ring.c' line='69' column='1'/>
+ <parameter type-id='2e0bb6d4' name='trb' filepath='drivers/usb/host/xhci-ring.c' line='70' column='1'/>
+ <return type-id='cf29c9b3'/>
+ </function-decl>
+ <function-decl name='xhci_update_erst_dequeue' mangled-name='xhci_update_erst_dequeue' filepath='drivers/usb/host/xhci-ring.c' line='3010' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_update_erst_dequeue'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci-ring.c' line='3010' column='1'/>
+ <parameter type-id='2e0bb6d4' name='event_ring_deq' filepath='drivers/usb/host/xhci-ring.c' line='3011' column='1'/>
+ <return type-id='48b5725f'/>
+ </function-decl>
+ <function-decl name='xhci_vendor_get_ops' mangled-name='xhci_vendor_get_ops' filepath='drivers/usb/host/xhci.c' line='4322' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='xhci_vendor_get_ops'>
+ <parameter type-id='0c65b409' name='xhci' filepath='drivers/usb/host/xhci.c' line='4322' column='1'/>
+ <return type-id='1e9ca7e3'/>
+ </function-decl>
+ <function-decl name='zlib_deflate' mangled-name='zlib_deflate' filepath='lib/zlib_deflate/deflate.c' line='329' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zlib_deflate'>
+ <parameter type-id='fb4f8c25' name='strm' filepath='lib/zlib_deflate/deflate.c' line='330' column='1'/>
+ <parameter type-id='95e97e5e' name='flush' filepath='lib/zlib_deflate/deflate.c' line='331' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='zlib_deflateEnd' mangled-name='zlib_deflateEnd' filepath='lib/zlib_deflate/deflate.c' line='468' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zlib_deflateEnd'>
+ <parameter type-id='fb4f8c25' name='strm' filepath='lib/zlib_deflate/deflate.c' line='469' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='zlib_deflateInit2' mangled-name='zlib_deflateInit2' filepath='lib/zlib_deflate/deflate.c' line='188' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zlib_deflateInit2'>
+ <parameter type-id='fb4f8c25' name='strm' filepath='lib/zlib_deflate/deflate.c' line='189' column='1'/>
+ <parameter type-id='95e97e5e' name='level' filepath='lib/zlib_deflate/deflate.c' line='190' column='1'/>
+ <parameter type-id='95e97e5e' name='method' filepath='lib/zlib_deflate/deflate.c' line='191' column='1'/>
+ <parameter type-id='95e97e5e' name='windowBits' filepath='lib/zlib_deflate/deflate.c' line='192' column='1'/>
+ <parameter type-id='95e97e5e' name='memLevel' filepath='lib/zlib_deflate/deflate.c' line='193' column='1'/>
+ <parameter type-id='95e97e5e' name='strategy' filepath='lib/zlib_deflate/deflate.c' line='194' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='zlib_deflateReset' mangled-name='zlib_deflateReset' filepath='lib/zlib_deflate/deflate.c' line='282' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zlib_deflateReset'>
+ <parameter type-id='fb4f8c25' name='strm' filepath='lib/zlib_deflate/deflate.c' line='283' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='zlib_deflate_workspacesize' mangled-name='zlib_deflate_workspacesize' filepath='lib/zlib_deflate/deflate.c' line='1127' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zlib_deflate_workspacesize'>
+ <parameter type-id='95e97e5e' name='windowBits' filepath='lib/zlib_deflate/deflate.c' line='1127' column='1'/>
+ <parameter type-id='95e97e5e' name='memLevel' filepath='lib/zlib_deflate/deflate.c' line='1127' column='1'/>
+ <return type-id='95e97e5e'/>
+ </function-decl>
+ <function-decl name='zone_watermark_ok' mangled-name='zone_watermark_ok' filepath='mm/page_alloc.c' line='3813' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zone_watermark_ok'>
+ <parameter type-id='0a0aff97' name='z' filepath='mm/page_alloc.c' line='3813' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='3813' column='1'/>
+ <parameter type-id='7359adad' name='mark' filepath='mm/page_alloc.c' line='3813' column='1'/>
+ <parameter type-id='95e97e5e' name='highest_zoneidx' filepath='mm/page_alloc.c' line='3814' column='1'/>
+ <parameter type-id='f0981eeb' name='alloc_flags' filepath='mm/page_alloc.c' line='3814' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ <function-decl name='zone_watermark_ok_safe' mangled-name='zone_watermark_ok_safe' filepath='mm/page_alloc.c' line='3861' column='1' visibility='default' binding='global' size-in-bits='64' elf-symbol-id='zone_watermark_ok_safe'>
+ <parameter type-id='0a0aff97' name='z' filepath='mm/page_alloc.c' line='3861' column='1'/>
+ <parameter type-id='f0981eeb' name='order' filepath='mm/page_alloc.c' line='3861' column='1'/>
+ <parameter type-id='7359adad' name='mark' filepath='mm/page_alloc.c' line='3862' column='1'/>
+ <parameter type-id='95e97e5e' name='highest_zoneidx' filepath='mm/page_alloc.c' line='3862' column='1'/>
+ <return type-id='b50a4934'/>
+ </function-decl>
+ </abi-instr>
+ </abi-corpus>
+</abi-corpus-group>
+
+<!--
+ libabigail: abidw: 2.0.0SOONG BUILD NUMBER PLACEHOLDER
+ built with: clang: Android (7284624, based on r416183b) clang version 12.0.5 (https://android.googlesource.com/toolchain/llvm-project c935d99d7cf2016289302412d708641d52d2f7ee)
+-->
diff --git a/android/abi_gki_aarch64_core b/android/abi_gki_aarch64_core
new file mode 100644
index 0000000..a244451
--- /dev/null
+++ b/android/abi_gki_aarch64_core
@@ -0,0 +1,9 @@
+[abi_symbol_list]
+# commonly used symbols
+ ieee802154_alloc_hw
+ ieee802154_free_hw
+ ieee802154_register_hw
+ ieee802154_rx_irqsafe
+ ieee802154_unregister_hw
+ ieee802154_wake_queue
+ ieee802154_xmit_complete
diff --git a/android/abi_gki_aarch64_db845c b/android/abi_gki_aarch64_db845c
new file mode 100644
index 0000000..85a14be
--- /dev/null
+++ b/android/abi_gki_aarch64_db845c
@@ -0,0 +1,1797 @@
+[abi_symbol_list]
+# commonly used symbols
+ add_uevent_var
+ alloc_io_pgtable_ops
+ __alloc_skb
+ alloc_workqueue
+ __arch_copy_from_user
+ __arch_copy_to_user
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ bcmp
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run1
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bus_register
+ bus_unregister
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ __check_object_size
+ __class_register
+ class_unregister
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_prepare
+ clk_bulk_unprepare
+ clk_disable
+ clk_enable
+ clk_fixed_rate_ops
+ clk_get
+ __clk_get_name
+ clk_get_rate
+ clk_hw_get_parent
+ clk_hw_get_rate
+ clk_hw_register
+ clk_hw_unregister
+ clk_prepare
+ clk_put
+ clk_round_rate
+ clk_set_rate
+ clk_sync_state
+ clk_unprepare
+ complete
+ complete_all
+ completion_done
+ __const_udelay
+ consume_skb
+ _copy_from_iter_full
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpumask_next
+ cpu_number
+ __cpu_online_mask
+ __cpu_possible_mask
+ crc32_le
+ _ctype
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_u32
+ debugfs_create_x32
+ debugfs_remove
+ default_llseek
+ delayed_work_timer_fn
+ del_timer
+ del_timer_sync
+ destroy_workqueue
+ dev_close
+ dev_coredumpv
+ dev_driver_string
+ _dev_err
+ dev_err_probe
+ dev_get_regmap
+ device_find_child
+ device_for_each_child
+ device_get_match_data
+ device_initialize
+ device_init_wakeup
+ device_property_present
+ device_property_read_u32_array
+ device_register
+ device_set_wakeup_capable
+ device_unregister
+ device_wakeup_enable
+ _dev_info
+ __dev_kfree_skb_any
+ devm_add_action
+ devm_clk_bulk_get
+ devm_clk_bulk_get_all
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_hw_register
+ devm_free_irq
+ devm_gpiod_get
+ devm_gpiod_get_optional
+ devm_ioremap
+ devm_ioremap_resource
+ devm_ioremap_wc
+ devm_iounmap
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_memremap
+ devm_of_clk_add_hw_provider
+ devm_of_icc_get
+ __devm_of_phy_provider_register
+ devm_of_platform_populate
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_register
+ devm_platform_ioremap_resource
+ devm_regmap_add_irq_chip
+ devm_regmap_field_alloc
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_register
+ devm_request_threaded_irq
+ __devm_reset_control_get
+ devm_reset_controller_register
+ devm_snd_soc_register_component
+ __devm_spi_alloc_controller
+ devm_spi_register_controller
+ devm_watchdog_register_device
+ _dev_notice
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_genpd_set_performance_state
+ dev_pm_opp_add
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_get_level
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_find_icc_paths
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_clkname
+ dev_pm_opp_set_bw
+ dev_pm_opp_set_clkname
+ dev_pm_opp_set_rate
+ dev_set_name
+ _dev_warn
+ disable_irq
+ divider_get_val
+ divider_recalc_rate
+ divider_round_rate_parent
+ dma_alloc_attrs
+ dma_buf_export
+ dma_free_attrs
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_sg_attrs
+ dma_mmap_attrs
+ dma_release_channel
+ dma_request_chan
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_sg_attrs
+ do_SAK
+ driver_register
+ driver_unregister
+ drm_add_edid_modes
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_update_edid_property
+ __drm_err
+ drm_hdmi_avi_infoframe_from_display_mode
+ drm_helper_probe_single_connector_modes
+ drm_mode_vrefresh
+ enable_irq
+ eth_mac_addr
+ eth_platform_get_mac_address
+ ethtool_op_get_link
+ eth_type_trans
+ eth_validate_addr
+ event_triggers_call
+ find_next_bit
+ find_next_zero_bit
+ finish_wait
+ flush_work
+ flush_workqueue
+ free_io_pgtable_ops
+ free_irq
+ gcd
+ generic_handle_irq
+ generic_mii_ioctl
+ get_device
+ get_random_bytes
+ gic_nonsecure_priorities
+ gpiochip_add_data_with_key
+ gpiochip_add_pin_range
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_remove
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_set_consumer_name
+ gpiod_set_raw_value
+ gpiod_set_value_cansleep
+ gpio_to_desc
+ handle_edge_irq
+ handle_level_irq
+ handle_nested_irq
+ handle_sysrq
+ hdmi_audio_infoframe_init
+ i2c_adapter_type
+ i2c_add_adapter
+ i2c_add_numbered_adapter
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_parse_fw_timings
+ i2c_register_driver
+ __i2c_smbus_xfer
+ i2c_smbus_xfer
+ i2c_transfer
+ icc_disable
+ icc_enable
+ icc_link_create
+ icc_node_add
+ icc_node_create
+ icc_nodes_remove
+ icc_provider_add
+ icc_provider_del
+ icc_set_bw
+ icc_sync_state
+ ida_alloc_range
+ ida_free
+ idr_alloc
+ idr_alloc_cyclic
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_remove
+ init_net
+ __init_swait_queue_head
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ __init_waitqueue_head
+ iomem_resource
+ iommu_attach_device
+ iommu_detach_device
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_present
+ iommu_unmap
+ __ioread32_copy
+ __ioremap
+ iounmap
+ __iowrite32_copy
+ irq_chip_disable_parent
+ irq_chip_enable_parent
+ irq_chip_eoi_parent
+ irq_chip_mask_parent
+ irq_chip_set_affinity_parent
+ irq_chip_set_parent_state
+ irq_chip_set_type_parent
+ irq_chip_set_vcpu_affinity_parent
+ irq_chip_set_wake_parent
+ irq_chip_unmask_parent
+ __irq_domain_add
+ irq_domain_free_irqs_common
+ irq_domain_remove
+ irq_domain_xlate_twocell
+ irq_find_mapping
+ irq_find_matching_fwspec
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_chained_handler_and_data
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irq_wake
+ irq_to_desc
+ is_vmalloc_addr
+ jiffies
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_connect
+ kernel_getsockname
+ kernel_recvmsg
+ kernel_sendmsg
+ kfree
+ kfree_const
+ kfree_sensitive
+ kfree_skb
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc_trace
+ kmemdup
+ kstrdup
+ kstrdup_const
+ kstrtoint
+ kstrtouint
+ ktime_get
+ ktime_get_mono_fast_ns
+ ktime_get_real_ts64
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ __list_add_valid
+ __list_del_entry_valid
+ __local_bh_enable_ip
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ mbox_client_txdone
+ mbox_free_channel
+ mbox_request_channel
+ mbox_send_message
+ memcpy
+ __memcpy_fromio
+ __memcpy_toio
+ memmove
+ memremap
+ memset
+ memstart_addr
+ memunmap
+ mii_ethtool_gset
+ mii_nway_restart
+ misc_deregister
+ misc_register
+ mod_delayed_work_on
+ mod_timer
+ module_layout
+ __msecs_to_jiffies
+ msleep
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_unlock
+ napi_complete_done
+ napi_disable
+ __napi_schedule
+ napi_schedule_prep
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_warn
+ netif_carrier_on
+ netif_napi_add
+ __netif_napi_del
+ __nla_parse
+ nla_put
+ no_llseek
+ nr_cpu_ids
+ nvmem_cell_get
+ nvmem_cell_put
+ nvmem_cell_read
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_hw_provider
+ of_clk_del_provider
+ of_clk_hw_simple_get
+ of_clk_set_defaults
+ of_device_get_match_data
+ of_device_is_compatible
+ of_device_uevent_modalias
+ of_dma_configure_id
+ of_find_device_by_node
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_provider_onecell
+ of_genpd_del_provider
+ of_get_child_by_name
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_remote_node
+ of_graph_parse_endpoint
+ of_icc_xlate_onecell
+ of_iomap
+ of_irq_find_parent
+ of_irq_get
+ of_irq_get_byname
+ of_match_device
+ of_match_node
+ of_node_name_eq
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phy_simple_xlate
+ of_platform_depopulate
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_variable_u32_array
+ of_property_read_variable_u8_array
+ of_prop_next_u32
+ of_reserved_mem_lookup
+ param_ops_bool
+ param_ops_charp
+ param_ops_int
+ param_ops_uint
+ __pci_register_driver
+ pci_unregister_driver
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ phy_exit
+ phy_init
+ phy_power_off
+ phy_power_on
+ pinconf_generic_dt_node_to_map
+ pinctrl_dev_get_drvdata
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_utils_free_map
+ platform_bus_type
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_irq_optional
+ platform_get_resource
+ platform_get_resource_byname
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ printk
+ pskb_expand_head
+ __pskb_pull_tail
+ put_device
+ __put_task_struct
+ qcom_smem_state_register
+ qcom_smem_state_unregister
+ queue_delayed_work_on
+ queue_work_on
+ radix_tree_delete
+ radix_tree_insert
+ radix_tree_lookup
+ radix_tree_next_chunk
+ ___ratelimit
+ rational_best_approximation
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_drvdata
+ refcount_warn_saturate
+ regcache_cache_only
+ regcache_mark_dirty
+ regcache_sync
+ register_netdevice_notifier
+ register_reboot_notifier
+ __register_rpmsg_driver
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_field_read
+ regmap_field_update_bits_base
+ __regmap_init
+ regmap_irq_get_virq
+ regmap_multi_reg_write
+ regmap_read
+ regmap_register_patch
+ regmap_update_bits_base
+ regmap_write
+ regulator_bulk_disable
+ regulator_bulk_enable
+ regulator_bulk_get
+ regulator_disable
+ regulator_enable
+ regulator_set_load
+ regulator_set_voltage
+ release_firmware
+ __release_region
+ remap_pfn_range
+ request_firmware
+ request_firmware_direct
+ request_firmware_into_buf
+ __request_region
+ request_threaded_irq
+ reset_control_assert
+ reset_control_deassert
+ reset_control_reset
+ round_jiffies_up
+ rpmsg_register_device
+ rpmsg_send
+ rpmsg_unregister_device
+ rproc_add
+ rproc_add_subdev
+ rproc_alloc
+ rproc_coredump_set_elf_info
+ rproc_del
+ rproc_free
+ rproc_remove_subdev
+ rtnl_is_locked
+ rtnl_lock
+ rtnl_unlock
+ schedule
+ schedule_timeout
+ scnprintf
+ seq_lseek
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ sg_alloc_table
+ sg_free_table
+ sg_init_table
+ sg_next
+ __sg_page_iter_start
+ simple_read_from_buffer
+ single_open
+ single_release
+ skb_clone
+ skb_copy
+ skb_copy_bits
+ skb_copy_expand
+ skb_dequeue
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_trim
+ snd_pcm_format_width
+ snd_soc_component_init_regmap
+ snd_soc_component_read
+ snd_soc_component_update_bits
+ snd_soc_component_write
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_kcontrol_dapm
+ snd_soc_dapm_kcontrol_widget
+ snd_soc_dapm_mixer_update_power
+ snd_soc_dapm_mux_update_power
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_volsw
+ snd_soc_get_enum_double
+ snd_soc_get_volsw
+ snd_soc_info_enum_double
+ snd_soc_info_volsw
+ snd_soc_jack_report
+ snd_soc_put_enum_double
+ snd_soc_put_volsw
+ snprintf
+ sock_create_kern
+ sock_release
+ sort
+ __spi_alloc_controller
+ spi_controller_resume
+ spi_controller_suspend
+ spi_finalize_current_transfer
+ spi_register_controller
+ spi_unregister_controller
+ sprintf
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ strcmp
+ strcpy
+ strlcpy
+ strlen
+ strncmp
+ strncpy
+ strpbrk
+ strsep
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_phandle
+ sysfs_create_link
+ sysfs_remove_link
+ sysrq_mask
+ system_power_efficient_wq
+ system_wq
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ thermal_cooling_device_unregister
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ trace_raw_output_prep
+ trace_seq_printf
+ tty_flip_buffer_push
+ __tty_insert_flip_char
+ uart_add_one_port
+ uart_get_baud_rate
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ __udelay
+ unregister_chrdev_region
+ unregister_netdevice_notifier
+ unregister_reboot_notifier
+ unregister_rpmsg_driver
+ usb_deregister
+ usb_disabled
+ usbnet_disconnect
+ usbnet_get_endpoints
+ usbnet_get_msglevel
+ usbnet_get_stats64
+ usbnet_link_change
+ usbnet_nway_reset
+ usbnet_open
+ usbnet_probe
+ usbnet_read_cmd
+ usbnet_read_cmd_nopm
+ usbnet_resume
+ usbnet_set_msglevel
+ usbnet_skb_return
+ usbnet_start_xmit
+ usbnet_stop
+ usbnet_suspend
+ usbnet_tx_timeout
+ usbnet_update_max_qlen
+ usbnet_write_cmd
+ usbnet_write_cmd_async
+ usbnet_write_cmd_nopm
+ usb_register_driver
+ __usecs_to_jiffies
+ usleep_range
+ vabits_actual
+ vfree
+ vmalloc
+ vmap
+ vunmap
+ wait_for_completion_timeout
+ __wake_up
+ __warn_printk
+ watchdog_init_timeout
+
+# required by apr.ko
+ rpmsg_trysend
+
+# required by arm_smmu.ko
+ amba_bustype
+ bus_set_iommu
+ device_link_add
+ device_match_fwnode
+ driver_find_device
+ generic_device_group
+ generic_iommu_put_resv_regions
+ iommu_alloc_resv_region
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unregister
+ iommu_dma_get_resv_regions
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_group_ref_get
+ iommu_put_dma_cookie
+ of_dma_is_coherent
+ pci_bus_type
+ pci_device_group
+
+# required by asix.ko
+ genphy_resume
+ mdiobus_alloc_size
+ mdiobus_free
+ __mdiobus_register
+ mdiobus_unregister
+ mii_check_media
+ mii_link_ok
+ phy_connect
+ phy_disconnect
+ phy_do_ioctl_running
+ phy_ethtool_get_link_ksettings
+ phy_ethtool_nway_reset
+ phy_ethtool_set_link_ksettings
+ phy_print_status
+ phy_start
+ phy_stop
+ usbnet_change_mtu
+ usbnet_get_drvinfo
+ usbnet_get_link
+ usbnet_get_link_ksettings
+ usbnet_set_link_ksettings
+ usbnet_unlink_rx_urbs
+
+# required by ath10k_core.ko
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ device_get_mac_address
+ device_set_wakeup_enable
+ firmware_request_nowarn
+ guid_gen
+ init_dummy_netdev
+ __kfifo_alloc
+ __kfifo_free
+ param_ops_ulong
+ skb_dequeue_tail
+ skb_realloc_headroom
+ strlcat
+ strscpy
+ thermal_cooling_device_register
+ vzalloc
+
+# required by ath10k_pci.ko
+ pci_clear_master
+ pci_disable_device
+ pci_disable_msi
+ pcie_capability_read_word
+ pcie_capability_write_word
+ pci_enable_device
+ pci_enable_msi
+ pci_iomap
+ pci_read_config_dword
+ pci_release_region
+ pci_request_region
+ pci_set_master
+ pci_write_config_dword
+
+# required by ath10k_snoc.ko
+ __bitmap_clear
+ devm_clk_bulk_get_optional
+ iommu_map
+
+# required by ax88179_178a.ko
+ ethtool_op_get_ts_info
+ mii_ethtool_get_link_ksettings
+ mii_ethtool_set_link_ksettings
+
+# required by bam_dma.ko
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_get_slave_channel
+ of_dma_controller_free
+ of_dma_controller_register
+ pm_runtime_irq_safe
+ tasklet_setup
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+
+# required by cfg80211.ko
+ bpf_trace_run10
+ bpf_trace_run7
+ debugfs_rename
+ dev_change_net_namespace
+ __dev_get_by_index
+ dev_get_by_index
+ device_add
+ device_del
+ device_rename
+ genlmsg_multicast_allns
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ inet_csk_get_port
+ key_create_or_update
+ key_put
+ keyring_alloc
+ ktime_get_coarse_with_offset
+ memcmp
+ netif_rx_ni
+ netlink_broadcast
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_ns_type_operations
+ nla_find
+ nla_memcpy
+ nla_put_64bit
+ nla_reserve
+ __nla_validate
+ __put_net
+ rb_erase
+ rb_insert_color
+ register_pernet_device
+ request_firmware_nowait
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ skb_add_rx_frag
+ __sock_create
+ trace_print_array_seq
+ unregister_pernet_device
+ verify_pkcs7_signature
+ wireless_nlevent_flush
+
+# required by clk-qcom.ko
+ __clk_determine_rate
+ clk_fixed_factor_ops
+ clk_hw_get_flags
+ clk_hw_get_name
+ clk_hw_get_num_parents
+ clk_hw_get_parent_by_index
+ clk_hw_is_enabled
+ clk_hw_round_rate
+ __clk_is_enabled
+ __clk_mux_determine_rate_closest
+ divider_ro_round_rate_parent
+ of_find_node_opts_by_path
+ pm_genpd_remove_subdomain
+
+# required by clk-rpmh.ko
+ clk_hw_is_prepared
+
+# required by clk-spmi-pmic-div.ko
+ __ndelay
+ of_clk_get_parent_name
+
+# required by cqhci.ko
+ devm_blk_ksm_init
+ dmam_free_coherent
+ mmc_cqe_request_done
+
+# required by extcon-usb-gpio.ko
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ extcon_set_state_sync
+ gpiod_get_value_cansleep
+ gpiod_set_debounce
+ gpiod_to_irq
+
+# required by fastrpc.ko
+ dma_buf_attach
+ dma_buf_detach
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_get_sgtable_attrs
+ find_vma
+ wait_for_completion_interruptible
+
+# required by gpio-regulator.ko
+ devm_gpiod_get_index
+ devm_kmemdup
+ devm_kstrdup
+ gpiod_count
+ gpiod_get_optional
+
+# required by gpio-wcd934x.ko
+ devm_gpiochip_add_data_with_key
+
+# required by i2c-designware-core.ko
+ i2c_generic_scl_recovery
+ i2c_recover_bus
+
+# required by i2c-designware-platform.ko
+ pm_suspend_global_flags
+
+# required by i2c-dev.ko
+ bus_register_notifier
+ bus_unregister_notifier
+ __class_create
+ class_destroy
+ i2c_bus_type
+ i2c_for_each_dev
+ i2c_get_adapter
+ i2c_put_adapter
+ i2c_transfer_buffer_flags
+ i2c_verify_client
+ memdup_user
+ register_chrdev_region
+
+# required by i2c-mux-pca954x.ko
+ device_create_file
+ device_remove_file
+ handle_simple_irq
+ i2c_get_device_id
+ i2c_smbus_read_byte
+ i2c_smbus_write_byte
+ irq_create_mapping_affinity
+ irq_dispose_mapping
+ irq_domain_simple_ops
+
+# required by i2c-mux.ko
+ __i2c_transfer
+ rt_mutex_lock
+ rt_mutex_trylock
+ rt_mutex_unlock
+
+# required by i2c-qcom-geni.ko
+ i2c_get_dma_safe_msg_buf
+ i2c_put_dma_safe_msg_buf
+ of_machine_is_compatible
+
+# required by i2c-rk3x.ko
+ clk_notifier_register
+ clk_notifier_unregister
+
+# required by icc-bcm-voter.ko
+ list_sort
+ of_property_match_string
+
+# required by icc-osm-l3.ko
+ icc_std_aggregate
+
+# required by llcc-qcom.ko
+ devm_platform_ioremap_resource_byname
+
+# required by lontium-lt9611.ko
+ drm_bridge_add
+ drm_bridge_remove
+ drm_do_get_edid
+ drm_kms_helper_hotplug_event
+ mipi_dsi_attach
+ mipi_dsi_detach
+ mipi_dsi_device_register_full
+ mipi_dsi_device_unregister
+ of_find_mipi_dsi_host_by_node
+
+# required by mac80211.ko
+ alloc_netdev_mqs
+ __alloc_percpu_gfp
+ arc4_crypt
+ arc4_setkey
+ call_rcu
+ crc32_be
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_alloc_aead
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ crypto_destroy_tfm
+ __crypto_memneq
+ crypto_shash_digest
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ __crypto_xor
+ dev_alloc_name
+ dev_fetch_sw_netstats
+ dev_printk
+ dev_queue_xmit
+ ether_setup
+ flush_delayed_work
+ free_netdev
+ free_percpu
+ get_random_u32
+ __hw_addr_init
+ __hw_addr_sync
+ __hw_addr_unsync
+ kernel_param_lock
+ kernel_param_unlock
+ kfree_skb_list
+ ktime_get_seconds
+ ktime_get_with_offset
+ napi_gro_receive
+ netdev_set_default_ethtool_ops
+ netif_carrier_off
+ netif_receive_skb
+ netif_receive_skb_list
+ netif_rx
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ net_ratelimit
+ __per_cpu_offset
+ prandom_bytes
+ prandom_u32
+ ___pskb_trim
+ rcu_barrier
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_netdevice
+ rhashtable_free_and_destroy
+ rhashtable_insert_slow
+ rhltable_init
+ __rht_bucket_nested
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ round_jiffies
+ round_jiffies_relative
+ sg_init_one
+ skb_checksum_help
+ skb_clone_sk
+ skb_complete_wifi_ack
+ skb_ensure_writable
+ __skb_get_hash
+ __skb_gso_segment
+ system_freezable_wq
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_netdevice_many
+ unregister_netdevice_queue
+
+# required by msm.ko
+ __bitmap_andnot
+ __bitmap_weight
+ bpf_trace_run8
+ clk_get_parent
+ __clk_hw_register_divider
+ clk_hw_register_fixed_factor
+ __clk_hw_register_mux
+ clk_hw_unregister_divider
+ clk_hw_unregister_fixed_factor
+ clk_hw_unregister_mux
+ clk_set_parent
+ clk_unregister
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_unbind_all
+ debugfs_create_bool
+ debugfs_create_u64
+ dev_coredumpm
+ devfreq_recommended_opp
+ devfreq_resume_device
+ devfreq_suspend_device
+ devm_clk_register
+ devm_devfreq_add_device
+ devm_regulator_get_exclusive
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_freq
+ dev_pm_opp_get_voltage
+ dev_pm_opp_set_supported_hw
+ dma_fence_context_alloc
+ dma_fence_init
+ dma_fence_match_context
+ dma_fence_release
+ dma_fence_signal
+ dma_fence_wait_timeout
+ dma_resv_add_excl_fence
+ dma_resv_add_shared_fence
+ dma_resv_reserve_shared
+ dma_resv_wait_timeout_rcu
+ drm_add_modes_noedid
+ drm_atomic_get_private_obj_state
+ drm_atomic_helper_check
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit
+ drm_atomic_helper_commit_hw_done
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ __drm_atomic_helper_crtc_destroy_state
+ drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_crtc_duplicate_state
+ __drm_atomic_helper_crtc_reset
+ drm_atomic_helper_crtc_reset
+ drm_atomic_helper_dirtyfb
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_destroy_state
+ drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_plane_reset
+ __drm_atomic_helper_private_obj_duplicate_state
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_update_plane
+ drm_atomic_private_obj_fini
+ drm_atomic_private_obj_init
+ drm_bridge_attach
+ drm_compat_ioctl
+ drm_connector_has_possible_encoder
+ drm_connector_init_with_ddc
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_crtc_cleanup
+ drm_crtc_enable_color_mgmt
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_set_max_vblank_count
+ drm_crtc_vblank_get
+ drm_crtc_vblank_helper_get_vblank_timestamp
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ __drm_dbg
+ __drm_debug
+ drm_debugfs_create_files
+ drm_detect_hdmi_monitor
+ drm_detect_monitor_audio
+ drm_dev_alloc
+ drm_dev_dbg
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_dp_aux_register
+ drm_dp_aux_unregister
+ drm_dp_bw_code_to_link_rate
+ drm_dp_channel_eq_ok
+ drm_dp_clock_recovery_ok
+ drm_dp_dpcd_read
+ drm_dp_dpcd_read_link_status
+ drm_dp_dpcd_write
+ drm_dp_get_adjust_request_pre_emphasis
+ drm_dp_get_adjust_request_voltage
+ drm_dp_get_edid_quirks
+ drm_dp_link_rate_to_bw_code
+ drm_dp_link_train_channel_eq_delay
+ drm_dp_link_train_clock_recovery_delay
+ drm_edid_block_valid
+ drm_encoder_cleanup
+ drm_encoder_init
+ drm_flip_work_cleanup
+ drm_flip_work_commit
+ drm_flip_work_init
+ drm_flip_work_queue
+ drm_format_info
+ drm_framebuffer_init
+ drm_gem_create_mmap_offset
+ drm_gem_fb_create_handle
+ drm_gem_fb_destroy
+ drm_gem_fb_get_obj
+ drm_gem_fb_prepare_fb
+ drm_gem_free_mmap_offset
+ drm_gem_get_pages
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_mmap_obj
+ drm_gem_object_free
+ drm_gem_object_init
+ drm_gem_object_lookup
+ drm_gem_object_put_locked
+ drm_gem_object_release
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_private_object_init
+ drm_gem_put_pages
+ drm_gem_vm_close
+ drm_gem_vm_open
+ drm_get_edid
+ drm_get_format_info
+ drm_get_format_name
+ drm_handle_vblank
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_ioctl
+ drm_irq_install
+ drm_irq_uninstall
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drm_mm_init
+ drm_mm_insert_node_in_range
+ drmm_mode_config_init
+ drm_mm_print
+ drm_mm_remove_node
+ drm_mm_takedown
+ drm_mode_config_cleanup
+ drm_mode_config_helper_resume
+ drm_mode_config_helper_suspend
+ drm_mode_config_reset
+ drm_mode_copy
+ drm_mode_debug_printmodeline
+ drm_mode_destroy
+ drm_mode_duplicate
+ drm_mode_object_find
+ drm_mode_object_put
+ drm_mode_probed_add
+ drm_modeset_lock
+ drm_modeset_lock_all
+ drm_modeset_lock_init
+ drm_modeset_unlock
+ drm_modeset_unlock_all
+ drm_object_attach_property
+ drm_of_component_match_add
+ drm_open
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_prepare
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_plane_create_rotation_property
+ drm_plane_create_zpos_property
+ drm_plane_enable_fb_damage_clips
+ drm_poll
+ drm_prime_gem_destroy
+ drm_prime_pages_to_sg
+ drm_prime_sg_to_page_addr_arrays
+ drm_printf
+ __drm_printfn_coredump
+ __drm_printfn_info
+ __drm_printfn_seq_file
+ drm_property_create_range
+ drm_puts
+ __drm_puts_coredump
+ __drm_puts_seq_file
+ drm_read
+ drm_rect_calc_hscale
+ drm_rect_calc_vscale
+ drm_rect_intersect
+ drm_release
+ drm_rotation_simplify
+ drm_set_preferred_mode
+ drm_state_dump
+ drm_syncobj_add_point
+ drm_syncobj_find
+ drm_syncobj_find_fence
+ drm_syncobj_free
+ drm_syncobj_replace_fence
+ drm_universal_plane_init
+ drm_vblank_init
+ fd_install
+ fput
+ generic_file_llseek
+ get_pid_task
+ get_unused_fd_flags
+ gpiod_direction_input
+ gpiod_get_value
+ gpiod_set_value
+ hdmi_audio_infoframe_pack
+ hdmi_infoframe_pack
+ hrtimer_init
+ hrtimer_start_range_ns
+ icc_put
+ invalidate_mapping_pages
+ iommu_map_sg
+ iommu_set_fault_handler
+ irq_domain_xlate_onecell
+ kstrdup_quotable_cmdline
+ kstrtouint_from_user
+ kthread_create_on_node
+ kthread_create_worker
+ kthread_destroy_worker
+ kthread_queue_work
+ llist_add_batch
+ memdup_user_nul
+ memparse
+ mipi_dsi_create_packet
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ mipi_dsi_packet_format_is_long
+ mutex_lock_interruptible
+ mutex_trylock_recursive
+ nsecs_to_jiffies
+ of_clk_hw_onecell_get
+ of_device_is_available
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_find_matching_node_and_match
+ of_get_compatible_child
+ of_graph_get_endpoint_by_regs
+ of_graph_get_next_endpoint
+ of_graph_get_remote_port_parent
+ of_icc_get
+ phy_calibrate
+ phy_configure
+ pid_task
+ pm_runtime_get_if_active
+ put_pid
+ put_unused_fd
+ _raw_read_lock
+ _raw_read_unlock
+ _raw_write_lock
+ _raw_write_unlock
+ register_shrinker
+ register_vmap_purge_notifier
+ regulator_get
+ regulator_put
+ reservation_ww_class
+ sched_set_fifo
+ schedule_timeout_interruptible
+ __sg_page_iter_dma_next
+ shmem_truncate_range
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_open
+ strstr
+ sync_file_create
+ sync_file_get_fence
+ unmap_mapping_range
+ unregister_shrinker
+ unregister_vmap_purge_notifier
+ vmf_insert_mixed
+ vm_get_page_prot
+ vscnprintf
+ vsnprintf
+ wake_up_process
+ ww_mutex_lock_interruptible
+ ww_mutex_unlock
+
+# required by msm_serial.ko
+ tty_termios_baud_rate
+ tty_termios_encode_baud_rate
+
+# required by ns.ko
+ kernel_bind
+ radix_tree_iter_resume
+
+# required by nvmem_qfprom.ko
+ devm_nvmem_register
+
+# required by ohci-hcd.ko
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ free_pages
+ gen_pool_dma_alloc_align
+ gen_pool_dma_zalloc_align
+ gen_pool_free_owner
+ get_zeroed_page
+ sb800_prefetch
+ schedule_timeout_uninterruptible
+ usb_amd_dev_put
+ usb_amd_quirk_pll_disable
+ usb_amd_quirk_pll_enable
+ usb_calc_bus_time
+ usb_debug_root
+ usb_hcd_check_unlink_urb
+ usb_hcd_giveback_urb
+ usb_hc_died
+ usb_hcd_link_urb_to_ep
+ usb_hcd_poll_rh_status
+ usb_hcd_resume_root_hub
+ usb_hcds_loaded
+ usb_hcd_unlink_urb_from_ep
+ usb_root_hub_lost_power
+
+# required by ohci-pci.ko
+ pci_dev_put
+ pci_get_slot
+ pci_match_id
+ usb_amd_prefetch_quirk
+ usb_amd_quirk_pll_check
+ usb_hcd_pci_pm_ops
+ usb_hcd_pci_probe
+ usb_hcd_pci_remove
+ usb_hcd_pci_shutdown
+
+# required by ohci-platform.ko
+ devm_reset_control_array_get
+ of_clk_get
+ usb_add_hcd
+ usb_create_hcd
+ usb_hcd_platform_shutdown
+ usb_put_hcd
+ usb_remove_hcd
+
+# required by pdr_interface.ko
+ strnlen
+
+# required by phy-qcom-qmp.ko
+ of_clk_get_by_name
+ __of_reset_control_get
+
+# required by phy-qcom-qusb2.ko
+ devm_nvmem_cell_get
+
+# required by phy-qcom-usb-hs.ko
+ extcon_get_edev_by_phandle
+ extcon_get_state
+ extcon_register_notifier
+ extcon_unregister_notifier
+
+# required by pinctrl-msm.ko
+ device_property_read_u16_array
+ gpiochip_line_is_valid
+ gpiochip_lock_as_irq
+ gpiochip_unlock_as_irq
+ handle_bad_irq
+ handle_fasteoi_ack_irq
+ handle_fasteoi_irq
+ irq_get_irq_data
+ module_put
+ pinctrl_force_default
+ pinctrl_force_sleep
+ pm_power_off
+ register_restart_handler
+ try_module_get
+ unregister_restart_handler
+
+# required by pinctrl-spmi-gpio.ko
+ gpiochip_populate_parent_fwspec_fourcell
+ irq_chip_ack_parent
+
+# required by pinctrl-spmi-mpp.ko
+ platform_irq_count
+
+# required by pm8941-pwrkey.ko
+ devm_input_allocate_device
+ input_event
+ input_register_device
+ input_set_capability
+
+# required by q6asm-dai.ko
+ snd_dma_alloc_pages
+ snd_dma_free_pages
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_constraint_list
+ snd_pcm_hw_constraint_minmax
+ snd_pcm_hw_constraint_step
+ snd_pcm_period_elapsed
+ snd_soc_new_compress
+ snd_soc_set_runtime_hwparams
+
+# required by qcom-apcs-ipc-mailbox.ko
+ devm_mbox_controller_register
+
+# required by qcom-cpufreq-hw.ko
+ cpufreq_cpu_get_raw
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_generic_frequency_table_verify
+ cpufreq_get_driver_data
+ cpufreq_register_driver
+ cpufreq_unregister_driver
+ dev_pm_opp_adjust_voltage
+ dev_pm_opp_disable
+ dev_pm_opp_enable
+ dev_pm_opp_of_cpumask_remove_table
+ dev_pm_opp_of_register_em
+ dev_pm_opp_remove_all_dynamic
+ dev_pm_opp_set_sharing_cpus
+ get_cpu_device
+ of_get_cpu_node
+
+# required by qcom-geni-se.ko
+ icc_set_tag
+
+# required by qcom-pdc.ko
+ irq_chip_get_parent_state
+ irq_chip_retrigger_hierarchy
+ irq_domain_alloc_irqs_parent
+ irq_domain_create_hierarchy
+ irq_domain_disconnect_hierarchy
+ irq_domain_set_hwirq_and_chip
+ irq_domain_update_bus_token
+
+# required by qcom-rpmh-regulator.ko
+ regulator_list_voltage_linear_range
+
+# required by qcom-scm.ko
+ __arm_smccc_smc
+ __cpu_present_mask
+ kimage_voffset
+
+# required by qcom-spmi-pmic.ko
+ __spmi_driver_register
+
+# required by qcom_aoss.ko
+ devm_thermal_of_cooling_device_register
+ pm_genpd_remove
+
+# required by qcom_common.ko
+ rproc_coredump_add_segment
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+
+# required by qcom_geni_serial.ko
+ dev_pm_clear_wake_irq
+ dev_pm_set_dedicated_wake_irq
+ oops_in_progress
+ tty_insert_flip_string_fixed_flag
+ uart_console_device
+ uart_console_write
+ uart_parse_options
+ uart_set_options
+
+# required by qcom_glink.ko
+ device_add_groups
+
+# required by qcom_hwspinlock.ko
+ devm_hwspin_lock_register
+
+# required by qcom_pil_info.ko
+ __memset_io
+ of_find_compatible_node
+
+# required by qcom_q6v5.ko
+ qcom_smem_state_get
+ qcom_smem_state_update_bits
+ rproc_report_crash
+
+# required by qcom_q6v5_mss.ko
+ rproc_coredump_add_custom_segment
+
+# required by qcom_q6v5_wcss.ko
+ rproc_elf_get_boot_addr
+
+# required by qcom_rpmh.ko
+ bitmap_find_next_zero_area_off
+ __bitmap_set
+ cpu_pm_register_notifier
+ __num_online_cpus
+
+# required by qcom_spmi-regulator.ko
+ regulator_disable_regmap
+ regulator_enable_regmap
+ regulator_is_enabled_regmap
+ smp_call_function_single
+
+# required by qcom_sysmon.ko
+ rproc_get_by_child
+ try_wait_for_completion
+
+# required by qcom_tsens.ko
+ debugfs_lookup
+ devm_thermal_zone_of_sensor_register
+ thermal_zone_device_update
+ thermal_zone_get_slope
+
+# required by qrtr-tun.ko
+ _copy_to_iter
+
+# required by qrtr.ko
+ autoremove_wake_function
+ datagram_poll
+ do_wait_intr_irq
+ idr_alloc_u32
+ lock_sock_nested
+ proto_register
+ proto_unregister
+ radix_tree_iter_delete
+ _raw_write_lock_bh
+ _raw_write_unlock_bh
+ refcount_dec_and_mutex_lock
+ release_sock
+ sk_alloc
+ skb_copy_datagram_iter
+ skb_free_datagram
+ __skb_pad
+ skb_recv_datagram
+ skb_set_owner_w
+ sk_free
+ sock_alloc_send_skb
+ sock_gettstamp
+ sock_init_data
+ sock_no_accept
+ sock_no_listen
+ sock_no_mmap
+ sock_no_sendpage
+ sock_no_shutdown
+ sock_no_socketpair
+ sock_queue_rcv_skb
+ sock_register
+ sock_unregister
+
+# required by reboot-mode.ko
+ devres_add
+ devres_alloc_node
+ devres_free
+ devres_release
+
+# required by regmap-spmi.ko
+ spmi_ext_register_read
+ spmi_ext_register_readl
+ spmi_ext_register_write
+ spmi_ext_register_writel
+ spmi_register_read
+ spmi_register_write
+ spmi_register_zero_write
+
+# required by rmtfs_mem.ko
+ alloc_chrdev_region
+
+# required by rtc-pm8xxx.ko
+ devm_request_any_context_irq
+ devm_rtc_allocate_device
+ __rtc_register_device
+ rtc_time64_to_tm
+ rtc_tm_to_time64
+ rtc_update_irq
+
+# required by sdhci-msm.ko
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_send_tuning
+ regulator_is_supported_voltage
+ __sdhci_add_host
+ sdhci_add_host
+ sdhci_cleanup_host
+ sdhci_cqe_disable
+ sdhci_cqe_enable
+ sdhci_cqe_irq
+ sdhci_enable_clk
+ sdhci_get_property
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_remove_host
+ sdhci_reset
+ sdhci_set_bus_width
+ sdhci_set_power_noreg
+ __sdhci_set_timeout
+ sdhci_setup_host
+
+# required by slim-qcom-ngd-ctrl.ko
+ platform_device_add
+ platform_device_alloc
+
+# required by smem.ko
+ hwspin_lock_free
+ hwspin_lock_request_specific
+ __hwspin_lock_timeout
+ __hwspin_unlock
+ of_hwspin_lock_get_id
+
+# required by snd-soc-hdmi-codec.ko
+ snd_ctl_add
+ snd_ctl_new1
+ snd_pcm_add_chmap_ctls
+ snd_pcm_create_iec958_consumer_hw_params
+ snd_pcm_hw_constraint_eld
+
+# required by snd-soc-qcom-common.ko
+ snd_soc_dai_link_set_capabilities
+ snd_soc_of_get_dai_link_codecs
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_parse_aux_devs
+ snd_soc_of_parse_card_name
+
+# required by snd-soc-rt5663.ko
+ regcache_cache_bypass
+ snd_soc_add_component_controls
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_force_enable_pin
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_sync
+
+# required by snd-soc-sdm845.ko
+ devm_snd_soc_register_card
+ snd_jack_set_key
+ snd_soc_card_jack_new
+ snd_soc_component_set_jack
+ snd_soc_dai_get_channel_map
+ snd_soc_dai_set_channel_map
+ snd_soc_dai_set_fmt
+ snd_soc_dai_set_sysclk
+ snd_soc_dai_set_tdm_slot
+
+# required by snd-soc-wcd9335.ko
+ kmemdup_nul
+ snd_soc_get_volsw_sx
+ snd_soc_info_volsw_sx
+ snd_soc_put_volsw_sx
+ strnstr
+
+# required by snd-soc-wcd934x.ko
+ kstrndup
+ of_clk_add_provider
+ of_clk_src_simple_get
+
+# required by socinfo.ko
+ add_device_randomness
+ soc_device_register
+ soc_device_unregister
+
+# required by soundwire-bus.ko
+ device_get_named_child_node
+ devm_device_add_group
+ devm_device_add_groups
+ dev_pm_domain_attach
+ fwnode_property_present
+ fwnode_property_read_u32_array
+ pm_generic_runtime_resume
+ pm_generic_runtime_suspend
+
+# required by spi-pl022.ko
+ amba_driver_register
+ amba_driver_unregister
+ amba_release_regions
+ amba_request_regions
+ devm_gpio_request
+ __dma_request_channel
+ loops_per_jiffy
+ pinctrl_pm_select_idle_state
+ spi_delay_exec
+ spi_finalize_current_message
+ spi_get_next_queued_message
+
+# required by spmi-pmic-arb.ko
+ irq_domain_set_info
+ spmi_controller_add
+ spmi_controller_alloc
+ spmi_controller_remove
+
+# required by system_heap.ko
+ deferred_free
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_heap_add
+ dma_heap_get_dev
+ dma_heap_get_name
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ __free_pages
+ __sg_page_iter_next
+
+# required by ufs_qcom.ko
+ phy_set_mode_ext
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_dump_regs
+ ufshcd_get_local_unipro_ver
+ ufshcd_get_pwr_dev_param
+ ufshcd_pltfrm_init
+ ufshcd_pltfrm_resume
+ ufshcd_pltfrm_runtime_idle
+ ufshcd_pltfrm_runtime_resume
+ ufshcd_pltfrm_runtime_suspend
+ ufshcd_pltfrm_shutdown
+ ufshcd_pltfrm_suspend
+ ufshcd_remove
+ ufshcd_uic_hibern8_enter
+ ufshcd_uic_hibern8_exit
+
+# required by ulpi.ko
+ of_device_modalias
+ of_device_request_module
+ __request_module
+
+# required by wcd934x.ko
+ mfd_add_devices
+ mfd_remove_devices
diff --git a/android/abi_gki_aarch64_exynos b/android/abi_gki_aarch64_exynos
new file mode 100644
index 0000000..777a643
--- /dev/null
+++ b/android/abi_gki_aarch64_exynos
@@ -0,0 +1,2334 @@
+[abi_symbol_list]
+ activate_task
+ add_cpu
+ add_timer
+ add_timer_on
+ add_uevent_var
+ add_wait_queue
+ adjust_managed_page_count
+ alarm_cancel
+ alarm_init
+ alarm_start
+ alarm_start_relative
+ alloc_anon_inode
+ alloc_chrdev_region
+ __alloc_disk_node
+ alloc_etherdev_mqs
+ alloc_netdev_mqs
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_skb
+ alloc_workqueue
+ amba_driver_register
+ amba_driver_unregister
+ android_debug_symbol
+ android_rvh_probe_register
+ anon_inode_getfd
+ anon_inode_getfile
+ __arch_clear_user
+ __arch_copy_from_user
+ __arch_copy_in_user
+ __arch_copy_to_user
+ argv_free
+ argv_split
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_hvc
+ __arm_smccc_smc
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ autoremove_wake_function
+ available_idle_cpu
+ backlight_device_register
+ backlight_device_unregister
+ bcmp
+ bdget_disk
+ bdput
+ bio_endio
+ __bitmap_andnot
+ __bitmap_clear
+ __bitmap_complement
+ __bitmap_or
+ bitmap_parse
+ bitmap_parselist
+ bitmap_print_to_pagebuf
+ __bitmap_set
+ bitmap_to_arr32
+ __bitmap_weight
+ __bitmap_xor
+ blk_alloc_queue
+ blk_cleanup_queue
+ blkdev_get_by_path
+ blkdev_put
+ blk_ksm_init
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run1
+ bpf_trace_run10
+ bpf_trace_run12
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bpf_trace_run7
+ bpf_trace_run8
+ bpf_trace_run9
+ build_skb
+ bus_find_device
+ bus_for_each_dev
+ bus_register
+ bus_register_notifier
+ bus_set_iommu
+ bus_unregister
+ bus_unregister_notifier
+ cache_line_size
+ call_rcu
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_add
+ cdev_alloc
+ cdev_del
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ cgroup_taskset_first
+ cgroup_taskset_next
+ __check_object_size
+ check_preempt_curr
+ __class_create
+ class_create_file_ns
+ class_destroy
+ class_find_device
+ __class_register
+ class_unregister
+ clear_page
+ __ClearPageMovable
+ clk_disable
+ clk_enable
+ clk_get
+ __clk_get_hw
+ __clk_get_name
+ clk_get_rate
+ clk_hw_get_name
+ clk_hw_get_parent
+ clk_hw_get_rate
+ __clk_hw_register_divider
+ __clk_hw_register_gate
+ __clk_hw_register_mux
+ clk_hw_unregister_divider
+ clk_hw_unregister_gate
+ clk_hw_unregister_mux
+ __clk_is_enabled
+ clk_prepare
+ clk_put
+ clk_register
+ clk_register_clkdev
+ clk_register_fixed_factor
+ clk_register_fixed_rate
+ clk_register_gate
+ clk_set_parent
+ clk_set_rate
+ clk_unprepare
+ clockevents_config_and_register
+ __clocksource_register_scale
+ __close_fd
+ cma_alloc
+ cma_release
+ compat_alloc_user_space
+ complete
+ complete_all
+ complete_and_exit
+ completion_done
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_unbind_all
+ config_ep_by_speed
+ config_group_init_type_name
+ console_lock
+ console_printk
+ console_stop
+ console_suspend_enabled
+ console_trylock
+ console_unlock
+ __const_udelay
+ consume_skb
+ contig_page_data
+ __cpu_active_mask
+ cpu_all_bits
+ cpu_bit_bitmap
+ cpufreq_add_update_util_hook
+ cpufreq_cpu_get
+ cpufreq_cpu_get_raw
+ cpufreq_cpu_put
+ cpufreq_disable_fast_switch
+ cpufreq_driver_fast_switch
+ cpufreq_driver_resolve_freq
+ __cpufreq_driver_target
+ cpufreq_enable_fast_switch
+ cpufreq_freq_transition_begin
+ cpufreq_freq_transition_end
+ cpufreq_frequency_table_get_index
+ cpufreq_frequency_table_verify
+ cpufreq_generic_attr
+ cpufreq_get_policy
+ cpufreq_quick_get
+ cpufreq_quick_get_max
+ cpufreq_register_driver
+ cpufreq_register_governor
+ cpufreq_register_notifier
+ cpufreq_remove_update_util_hook
+ cpufreq_table_index_unsorted
+ cpufreq_this_cpu_can_update
+ cpufreq_unregister_notifier
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_setup_state_cpuslocked
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpuhp_tasks_frozen
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpuidle_get_cpu_driver
+ cpuidle_pause_and_lock
+ cpuidle_resume_and_unlock
+ cpumask_next
+ cpumask_next_and
+ cpu_number
+ __cpu_online_mask
+ cpu_pm_register_notifier
+ __cpu_possible_mask
+ cpu_scale
+ cpus_read_lock
+ cpus_read_unlock
+ cpu_subsys
+ cpu_topology
+ crc32_le
+ crypto_alloc_base
+ crypto_alloc_shash
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_destroy_tfm
+ crypto_has_alg
+ __crypto_memneq
+ crypto_register_alg
+ crypto_register_scomp
+ crypto_shash_digest
+ crypto_shash_final
+ crypto_shash_update
+ crypto_unregister_alg
+ crypto_unregister_scomp
+ csum_partial
+ csum_tcpudp_nofold
+ _ctype
+ dapm_pinctrl_event
+ dapm_regulator_event
+ deactivate_task
+ debugfs_create_bool
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_symlink
+ debugfs_create_u32
+ debugfs_create_x32
+ debugfs_create_x64
+ debugfs_remove
+ debugfs_rename
+ dec_zone_page_state
+ default_llseek
+ default_wake_function
+ deferred_free
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ destroy_workqueue
+ dev_alloc_name
+ dev_change_net_namespace
+ dev_close
+ _dev_crit
+ dev_driver_string
+ _dev_emerg
+ _dev_err
+ dev_err_probe
+ devfreq_add_device
+ devfreq_add_governor
+ devfreq_get_devfreq_by_phandle
+ devfreq_monitor_resume
+ devfreq_monitor_start
+ devfreq_monitor_stop
+ devfreq_monitor_suspend
+ devfreq_recommended_opp
+ devfreq_register_opp_notifier
+ devfreq_remove_device
+ devfreq_remove_governor
+ devfreq_resume_device
+ devfreq_suspend_device
+ devfreq_unregister_opp_notifier
+ devfreq_update_interval
+ __dev_get_by_index
+ dev_get_by_index
+ dev_get_by_name
+ dev_get_regmap
+ device_add
+ device_add_disk
+ device_create
+ device_create_bin_file
+ device_create_file
+ device_del
+ device_destroy
+ device_for_each_child
+ device_get_dma_attr
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_link_del
+ device_property_present
+ device_property_read_string_array
+ device_property_read_u32_array
+ device_register
+ device_remove_file
+ device_rename
+ device_set_wakeup_capable
+ device_set_wakeup_enable
+ device_show_bool
+ device_show_int
+ device_store_bool
+ device_store_int
+ device_unregister
+ device_wakeup_enable
+ _dev_info
+ __dev_kfree_skb_any
+ devm_add_action
+ devm_backlight_device_register
+ devm_backlight_device_unregister
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_put
+ devm_devfreq_register_notifier
+ devm_devfreq_unregister_notifier
+ __devm_drm_dev_alloc
+ devm_drm_panel_bridge_add_typed
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_free_irq
+ devm_gen_pool_create
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_gpiod_get_optional
+ devm_gpio_request
+ devm_gpio_request_one
+ devm_hwrng_register
+ devm_i2c_new_dummy_device
+ devm_iio_channel_get
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_iounmap
+ __devm_irq_alloc_descs
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_krealloc
+ devm_kstrdup
+ devm_kstrdup_const
+ devm_led_classdev_register_ext
+ devm_mfd_add_devices
+ __devm_of_phy_provider_register
+ devm_phy_create
+ devm_phy_get
+ devm_phy_put
+ devm_pinctrl_get
+ devm_pinctrl_put
+ devm_pinctrl_register
+ devm_platform_get_and_ioremap_resource
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_optional
+ devm_regulator_register
+ __devm_release_region
+ __devm_request_region
+ devm_request_threaded_irq
+ __devm_reset_control_get
+ devm_rtc_allocate_device
+ devm_rtc_device_register
+ devm_snd_dmaengine_pcm_register
+ devm_snd_soc_register_card
+ devm_snd_soc_register_component
+ devm_thermal_zone_of_sensor_register
+ devm_usb_get_phy_by_phandle
+ _dev_notice
+ dev_pm_opp_add
+ dev_pm_opp_disable
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_freq
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_register_em
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_regulators
+ dev_pm_opp_set_regulators
+ dev_pm_qos_add_request
+ dev_pm_qos_read_value
+ dev_pm_qos_remove_request
+ dev_pm_qos_update_request
+ dev_printk
+ dev_queue_xmit
+ devres_add
+ devres_alloc_node
+ devres_free
+ devres_release
+ dev_set_name
+ dev_vprintk_emit
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ disable_percpu_irq
+ disk_end_io_acct
+ disk_start_io_acct
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_begin_cpu_access_partial
+ dma_buf_detach
+ dma_buf_dynamic_attach
+ dma_buf_end_cpu_access
+ dma_buf_end_cpu_access_partial
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dma_buf_mmap
+ dma_buf_move_notify
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_buf_pin
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_unpin
+ dma_buf_vmap
+ dma_buf_vunmap
+ dmaengine_unmap_put
+ dma_fence_add_callback
+ dma_fence_array_create
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_get_status
+ dma_fence_get_stub
+ dma_fence_init
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ dma_fence_wait_any_timeout
+ dma_fence_wait_timeout
+ dma_free_attrs
+ dma_get_required_mask
+ dma_get_slave_caps
+ dma_get_slave_channel
+ dma_heap_add
+ dma_heap_buffer_alloc
+ dma_heap_buffer_free
+ dma_heap_find
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dma_heap_put
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_resource
+ dma_map_sg_attrs
+ dmam_free_coherent
+ dma_mmap_attrs
+ dma_pool_alloc
+ dma_pool_free
+ dma_release_channel
+ dma_request_chan
+ dma_resv_add_excl_fence
+ dma_resv_add_shared_fence
+ dma_resv_get_fences_rcu
+ dma_resv_reserve_shared
+ dma_resv_test_signaled_rcu
+ dma_resv_wait_timeout_rcu
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_resource
+ dma_unmap_sg_attrs
+ do_SAK
+ do_wait_intr
+ down
+ downgrade_write
+ down_interruptible
+ down_read
+ down_read_killable
+ down_read_trylock
+ down_trylock
+ down_write
+ d_path
+ drain_workqueue
+ driver_register
+ driver_unregister
+ drm_add_edid_modes
+ drm_atomic_add_affected_connectors
+ drm_atomic_add_affected_planes
+ drm_atomic_commit
+ drm_atomic_get_crtc_state
+ drm_atomic_get_plane_state
+ drm_atomic_get_private_obj_state
+ drm_atomic_helper_check_modeset
+ drm_atomic_helper_check_planes
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit_cleanup_done
+ drm_atomic_helper_commit_duplicated_state
+ drm_atomic_helper_commit_hw_done
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ drm_atomic_helper_commit_tail
+ __drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_destroy_state
+ __drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ __drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_disable_planes_on_crtc
+ drm_atomic_helper_duplicate_state
+ drm_atomic_helper_fake_vblank
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_prepare_planes
+ __drm_atomic_helper_private_obj_duplicate_state
+ drm_atomic_helper_set_config
+ drm_atomic_helper_setup_commit
+ drm_atomic_helper_swap_state
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_dependencies
+ drm_atomic_helper_wait_for_fences
+ drm_atomic_normalize_zpos
+ drm_atomic_private_obj_fini
+ drm_atomic_private_obj_init
+ drm_atomic_set_crtc_for_plane
+ drm_atomic_set_fb_for_plane
+ drm_atomic_set_mode_for_crtc
+ drm_atomic_state_alloc
+ __drm_atomic_state_free
+ drm_bridge_add
+ drm_bridge_attach
+ drm_bridge_chain_mode_set
+ drm_bridge_remove
+ drm_compat_ioctl
+ drm_connector_attach_dp_subconnector_property
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_init_with_ddc
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_connector_register
+ drm_connector_unregister
+ drm_connector_update_edid_property
+ drm_crtc_arm_vblank_event
+ drm_crtc_cleanup
+ drm_crtc_enable_color_mgmt
+ drm_crtc_handle_vblank
+ drm_crtc_helper_set_config
+ drm_crtc_helper_set_mode
+ drm_crtc_init
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_count
+ drm_crtc_vblank_get
+ drm_crtc_vblank_helper_get_vblank_timestamp
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ drm_cvt_mode
+ __drm_dbg
+ __drm_debug
+ drm_debugfs_create_files
+ drm_detect_hdmi_monitor
+ drm_dev_alloc
+ drm_dev_dbg
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_display_mode_to_videomode
+ drm_dp_aux_init
+ drm_dp_aux_register
+ drm_dp_aux_unregister
+ drm_dp_bw_code_to_link_rate
+ drm_dp_channel_eq_ok
+ drm_dp_clock_recovery_ok
+ drm_dp_dpcd_read
+ drm_dp_dpcd_read_link_status
+ drm_dp_dpcd_write
+ drm_dp_get_adjust_request_pre_emphasis
+ drm_dp_get_adjust_request_voltage
+ drm_dp_link_rate_to_bw_code
+ drm_dp_link_train_channel_eq_delay
+ drm_dp_link_train_clock_recovery_delay
+ drm_dp_set_subconnector_property
+ drm_edid_header_is_valid
+ drm_edid_is_valid
+ drm_edid_to_sad
+ drm_edid_to_speaker_allocation
+ drm_encoder_cleanup
+ drm_encoder_init
+ __drm_err
+ drm_format_info
+ drm_framebuffer_cleanup
+ drm_framebuffer_init
+ drm_framebuffer_unregister_private
+ drm_gem_create_mmap_offset
+ drm_gem_dmabuf_mmap
+ drm_gem_dmabuf_release
+ drm_gem_dmabuf_vmap
+ drm_gem_dmabuf_vunmap
+ drm_gem_fb_create_handle
+ drm_gem_fb_destroy
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_object_free
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_prime_export
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_prime_import_dev
+ drm_gem_private_object_init
+ drm_gem_vm_close
+ drm_gem_vm_open
+ drm_get_edid
+ drm_get_format_info
+ drm_get_format_name
+ drm_handle_vblank
+ drm_hdmi_avi_infoframe_from_display_mode
+ drm_hdmi_infoframe_set_hdr_metadata
+ drm_helper_connector_dpms
+ drm_helper_disable_unused_functions
+ drm_helper_force_disable_all
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_single_connector_modes
+ drm_helper_resume_force_mode
+ drm_ioctl
+ drm_irq_install
+ drm_irq_uninstall
+ drm_is_current_master
+ drm_kms_helper_hotplug_event
+ drm_kms_helper_is_poll_worker
+ drm_kms_helper_poll_disable
+ drm_kms_helper_poll_enable
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drm_mm_init
+ drm_mm_insert_node_in_range
+ drmm_mode_config_init
+ drm_mm_print
+ drm_mm_remove_node
+ drm_mm_takedown
+ drm_mode_config_cleanup
+ drm_mode_config_reset
+ drm_mode_convert_to_umode
+ drm_mode_copy
+ drm_mode_create_scaling_mode_property
+ drm_mode_crtc_set_gamma_size
+ drm_mode_duplicate
+ drm_mode_equal
+ drm_mode_match
+ drm_mode_probed_add
+ drm_modeset_acquire_fini
+ drm_modeset_acquire_init
+ drm_modeset_backoff
+ drm_mode_set_crtcinfo
+ drm_modeset_drop_locks
+ drm_modeset_lock
+ drm_modeset_lock_all
+ drm_modeset_lock_all_ctx
+ drm_mode_set_name
+ drm_modeset_unlock
+ drm_modeset_unlock_all
+ drm_mode_vrefresh
+ drm_need_swiotlb
+ drm_object_attach_property
+ drm_open
+ drm_panel_add
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_init
+ drm_panel_prepare
+ drm_panel_remove
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_plane_create_alpha_property
+ drm_plane_create_blend_mode_property
+ drm_plane_create_rotation_property
+ drm_plane_create_zpos_property
+ drm_poll
+ drm_prime_gem_destroy
+ drm_prime_pages_to_sg
+ drm_prime_sg_to_page_addr_arrays
+ drm_printf
+ __drm_printfn_info
+ __drm_printfn_seq_file
+ drm_property_blob_get
+ drm_property_blob_put
+ drm_property_create
+ drm_property_create_bitmask
+ drm_property_create_blob
+ drm_property_create_bool
+ drm_property_create_enum
+ drm_property_create_range
+ drm_property_create_signed_range
+ drm_property_lookup_blob
+ drm_property_replace_blob
+ __drm_puts_seq_file
+ drm_read
+ drm_rect_clip_scaled
+ drm_rect_intersect
+ drm_release
+ drm_rotation_simplify
+ drm_syncobj_add_point
+ drm_syncobj_create
+ drm_syncobj_find
+ drm_syncobj_find_fence
+ drm_syncobj_free
+ drm_syncobj_get_fd
+ drm_syncobj_get_handle
+ drm_syncobj_replace_fence
+ drm_universal_plane_init
+ drm_vblank_init
+ drm_vma_node_allow
+ drm_vma_node_is_allowed
+ drm_vma_node_revoke
+ drm_writeback_connector_init
+ drm_writeback_queue_job
+ drm_writeback_signal_completion
+ dump_backtrace
+ dump_stack
+ dw_handle_msi_irq
+ dw_pcie_host_init
+ dw_pcie_msi_init
+ dw_pcie_own_conf_map_bus
+ dw_pcie_read
+ dw_pcie_setup_rc
+ dw_pcie_write
+ emergency_restart
+ enable_irq
+ enable_percpu_irq
+ end_buffer_read_sync
+ ether_setup
+ eth_platform_get_mac_address
+ ethtool_op_get_link
+ ethtool_op_get_ts_info
+ eth_type_trans
+ eth_validate_addr
+ event_triggers_call
+ extcon_get_state
+ extcon_set_state_sync
+ failure_tracking
+ fb_mode_option
+ __fdget
+ fd_install
+ find_get_pid
+ find_last_bit
+ find_next_bit
+ find_next_zero_bit
+ find_vma
+ find_vpid
+ finish_wait
+ firmware_request_nowarn
+ flush_dcache_page
+ flush_delayed_work
+ flush_work
+ flush_workqueue
+ fput
+ frame_vector_to_pages
+ free_irq
+ free_netdev
+ __free_pages
+ free_pages
+ free_percpu
+ free_percpu_irq
+ freezing_slow_path
+ freq_qos_add_request
+ freq_qos_remove_request
+ freq_qos_update_request
+ freq_scale
+ fsync_bdev
+ gcd
+ generic_file_llseek
+ generic_handle_irq
+ generic_mii_ioctl
+ genlmsg_multicast_allns
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_avail
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_first_fit_align
+ gen_pool_free_owner
+ gen_pool_has_addr
+ gen_pool_size
+ __getblk_gfp
+ get_cpu_device
+ get_cpu_idle_time
+ get_device
+ __get_free_pages
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ get_random_bytes
+ get_random_u32
+ __get_task_comm
+ get_task_exe_file
+ get_task_mm
+ get_thermal_instance
+ get_unused_fd_flags
+ get_user_pages
+ get_user_pages_fast
+ get_user_pages_remote
+ __get_vm_area_caller
+ get_zeroed_page
+ gic_nonsecure_priorities
+ gpiochip_add_data_with_key
+ gpiochip_add_pin_range
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_lock_as_irq
+ gpiochip_remove
+ gpiochip_unlock_as_irq
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_raw_value
+ gpiod_get_raw_value_cansleep
+ gpiod_set_raw_value
+ gpiod_set_raw_value_cansleep
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_free
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ gserial_alloc_line
+ gserial_connect
+ gserial_disconnect
+ handle_edge_irq
+ handle_level_irq
+ handle_nested_irq
+ handle_simple_irq
+ handle_sysrq
+ hdmi_avi_infoframe_pack
+ hdmi_drm_infoframe_pack_only
+ hex_dump_to_buffer
+ hmm_range_fault
+ housekeeping_cpumask
+ hrtimer_active
+ hrtimer_cancel
+ hrtimer_forward
+ hrtimer_init
+ hrtimer_start_range_ns
+ i2c_adapter_type
+ i2c_add_adapter
+ i2c_add_numbered_adapter
+ i2c_bit_add_bus
+ i2c_bus_type
+ i2c_clients_command
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_for_each_dev
+ i2c_get_adapter
+ i2c_new_client_device
+ i2c_new_dummy_device
+ i2c_put_adapter
+ i2c_register_driver
+ i2c_smbus_read_byte_data
+ i2c_smbus_read_i2c_block_data
+ i2c_smbus_read_word_data
+ i2c_smbus_write_byte_data
+ i2c_smbus_write_i2c_block_data
+ i2c_smbus_write_word_data
+ i2c_smbus_xfer
+ __i2c_transfer
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ i2c_unregister_device
+ i2c_verify_client
+ i3c_generic_ibi_alloc_pool
+ i3c_generic_ibi_free_pool
+ i3c_generic_ibi_get_free_slot
+ i3c_generic_ibi_recycle_slot
+ i3c_master_add_i3c_dev_locked
+ i3c_master_defslvs_locked
+ i3c_master_disec_locked
+ i3c_master_do_daa
+ i3c_master_enec_locked
+ i3c_master_entdaa_locked
+ i3c_master_get_free_addr
+ i3c_master_queue_ibi
+ i3c_master_register
+ i3c_master_set_info
+ i3c_master_unregister
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ idr_alloc
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_remove
+ idr_replace
+ ignore_console_lock_warning
+ iio_channel_get
+ iio_channel_release
+ iio_convert_raw_to_processed
+ iio_device_alloc
+ iio_device_free
+ __iio_device_register
+ iio_device_unregister
+ iio_get_channel_type
+ iio_read_channel_processed
+ iio_read_channel_raw
+ inc_zone_page_state
+ inet_csk_get_port
+ init_dummy_netdev
+ init_net
+ init_pseudo
+ __init_rwsem
+ __init_swait_queue_head
+ init_task
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ __init_waitqueue_head
+ input_allocate_device
+ input_close_device
+ input_event
+ input_free_device
+ input_mt_destroy_slots
+ input_mt_init_slots
+ input_mt_report_slot_state
+ input_open_device
+ input_register_device
+ input_register_handle
+ input_register_handler
+ input_set_abs_params
+ input_set_capability
+ input_unregister_device
+ input_unregister_handle
+ int_sqrt
+ iomem_resource
+ iommu_alloc_resv_region
+ iommu_attach_group
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unlink
+ iommu_device_unregister
+ iommu_dma_reserve_iova
+ iommu_domain_alloc
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_get_domain_for_dev
+ iommu_group_alloc
+ iommu_group_for_each_dev
+ iommu_group_get
+ iommu_group_get_iommudata
+ iommu_group_set_iommudata
+ iommu_group_set_name
+ iommu_iova_to_phys
+ iommu_map
+ iommu_map_sg
+ iommu_put_dma_cookie
+ iommu_register_device_fault_handler
+ iommu_report_device_fault
+ iommu_unmap
+ iommu_unregister_device_fault_handler
+ __ioread32_copy
+ __ioremap
+ iounmap
+ __iowrite32_copy
+ ip_send_check
+ iput
+ __irq_alloc_descs
+ irq_create_mapping_affinity
+ __irq_domain_add
+ irq_domain_get_irq_data
+ irq_domain_remove
+ irq_domain_set_info
+ irq_domain_xlate_onetwocell
+ irq_domain_xlate_twocell
+ irq_find_mapping
+ irq_get_irqchip_state
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_chained_handler_and_data
+ irq_set_chip
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ __irq_set_handler
+ irq_set_handler_data
+ irq_set_irqchip_state
+ irq_set_irq_wake
+ irq_to_desc
+ irq_work_queue
+ irq_work_sync
+ is_console_locked
+ is_dma_buf_file
+ is_vmalloc_addr
+ iterate_fd
+ jiffies
+ jiffies_64_to_clock_t
+ jiffies64_to_msecs
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_kobj
+ kern_mount
+ kern_unmount
+ key_create_or_update
+ key_put
+ keyring_alloc
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_init
+ __kfifo_out
+ __kfifo_to_user
+ kfree
+ kfree_const
+ kfree_sensitive
+ kfree_skb
+ kfree_skb_list
+ kill_anon_super
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kobject_add
+ kobject_create_and_add
+ kobject_get
+ kobject_init
+ kobject_init_and_add
+ kobject_put
+ kobject_uevent
+ kobject_uevent_env
+ krealloc
+ kstat
+ kstrdup
+ kstrndup
+ kstrtobool
+ kstrtobool_from_user
+ kstrtoint
+ kstrtoint_from_user
+ kstrtol_from_user
+ kstrtoll
+ kstrtou16
+ kstrtou8
+ kstrtouint
+ kstrtouint_from_user
+ kstrtoull
+ kstrtoull_from_user
+ ksys_sync_helper
+ kthread_bind
+ kthread_cancel_delayed_work_sync
+ kthread_cancel_work_sync
+ kthread_create_on_node
+ kthread_delayed_work_timer_fn
+ kthread_flush_work
+ kthread_flush_worker
+ __kthread_init_worker
+ kthread_mod_delayed_work
+ kthread_park
+ kthread_parkme
+ kthread_queue_work
+ kthread_should_park
+ kthread_should_stop
+ kthread_stop
+ kthread_unpark
+ kthread_worker_fn
+ ktime_get
+ ktime_get_coarse_with_offset
+ ktime_get_mono_fast_ns
+ ktime_get_raw
+ ktime_get_raw_ts64
+ ktime_get_real_seconds
+ ktime_get_real_ts64
+ ktime_get_ts64
+ ktime_get_with_offset
+ kvasprintf
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ __list_add_valid
+ __list_del_entry_valid
+ list_sort
+ llist_add_batch
+ __local_bh_enable_ip
+ __lock_buffer
+ __lock_page
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ loops_per_jiffy
+ lzo1x_1_compress
+ lzo1x_decompress_safe
+ lzorle1x_1_compress
+ map_kernel_range
+ media_device_register_entity
+ media_entity_pads_init
+ memchr
+ memcmp
+ memcpy
+ __memcpy_fromio
+ __memcpy_toio
+ memdup_user
+ memmove
+ memparse
+ memremap
+ memset
+ memset64
+ __memset_io
+ memstart_addr
+ memunmap
+ mfd_add_devices
+ mfd_remove_devices
+ mii_ethtool_get_link_ksettings
+ mii_ethtool_gset
+ mii_ethtool_set_link_ksettings
+ mii_nway_restart
+ mipi_dsi_attach
+ mipi_dsi_compression_mode
+ mipi_dsi_dcs_read
+ mipi_dsi_dcs_set_column_address
+ mipi_dsi_dcs_set_display_brightness
+ mipi_dsi_dcs_set_page_address
+ mipi_dsi_dcs_write_buffer
+ mipi_dsi_detach
+ mipi_dsi_device_register_full
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ mipi_dsi_picture_parameter_set
+ misc_deregister
+ misc_register
+ mmc_add_host
+ mmc_alloc_host
+ mmc_can_gpio_cd
+ mmc_detect_change
+ mmc_free_host
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_remove_host
+ mmc_request_done
+ mmc_wait_for_req
+ __mmdrop
+ mmput
+ mmu_interval_notifier_insert
+ mmu_interval_notifier_remove
+ mmu_interval_read_begin
+ mmu_notifier_synchronize
+ mod_delayed_work_on
+ mod_node_page_state
+ mod_timer
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ msleep_interruptible
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_trylock
+ mutex_unlock
+ names_cachep
+ __napi_alloc_skb
+ napi_complete_done
+ napi_disable
+ napi_gro_flush
+ napi_gro_receive
+ __napi_schedule
+ napi_schedule_prep
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_warn
+ netif_carrier_off
+ netif_carrier_on
+ netif_napi_add
+ __netif_napi_del
+ netif_receive_skb
+ netif_rx
+ netif_rx_ni
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_broadcast
+ __netlink_kernel_create
+ netlink_kernel_release
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_ns_type_operations
+ net_ratelimit
+ nla_append
+ nla_find
+ nla_memcpy
+ __nla_parse
+ nla_put
+ nla_put_64bit
+ nla_put_nohdr
+ nla_reserve
+ __nla_validate
+ __nlmsg_put
+ no_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ nr_irqs
+ nsecs_to_jiffies
+ ns_to_kernel_old_timeval
+ ns_to_timespec64
+ __num_online_cpus
+ of_address_to_resource
+ of_alias_get_highest_id
+ of_alias_get_id
+ of_clk_add_hw_provider
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_get
+ of_clk_get_by_name
+ of_clk_hw_onecell_get
+ of_clk_src_onecell_get
+ of_count_phandle_with_args
+ of_cpu_node_to_id
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_dma_controller_free
+ of_dma_controller_register
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_matching_node_and_match
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_by_type
+ of_find_node_opts_by_path
+ of_find_node_with_property
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_provider_simple
+ of_get_child_by_name
+ of_get_cpu_node
+ of_get_dma_window
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_property
+ of_get_regulator_init_data
+ of_get_videomode
+ of_i2c_get_board_info
+ of_iomap
+ of_irq_get_byname
+ of_irq_parse_one
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_n_addr_cells
+ of_node_name_eq
+ of_n_size_cells
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_u64
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u8_array
+ of_prop_next_string
+ of_prop_next_u32
+ of_pwm_xlate_with_flags
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_device_release
+ of_reserved_mem_lookup
+ of_root
+ of_thermal_get_ntrips
+ of_usb_host_tpl_support
+ oops_in_progress
+ orderly_poweroff
+ page_endio
+ page_mapping
+ __page_pinner_migration_failed
+ panic
+ panic_notifier_list
+ param_array_ops
+ param_ops_bool
+ param_ops_byte
+ param_ops_charp
+ param_ops_hexint
+ param_ops_int
+ param_ops_long
+ param_ops_string
+ param_ops_uint
+ param_ops_ullong
+ param_ops_ulong
+ param_set_uint
+ pci_alloc_irq_vectors_affinity
+ pci_assign_resource
+ pci_assign_unassigned_bus_resources
+ pci_bus_resource_n
+ pci_bus_type
+ pci_clear_master
+ pci_disable_device
+ pcie_bandwidth_available
+ pcie_get_mps
+ pcie_get_speed_cap
+ pci_enable_atomic_ops_to_root
+ pci_enable_device
+ pci_enable_pcie_error_reporting
+ pci_enable_wake
+ pci_find_bus
+ pci_find_capability
+ pci_find_ext_capability
+ pci_free_irq_vectors
+ pci_generic_config_read
+ pci_generic_config_write
+ pci_get_device
+ pci_get_domain_bus_and_slot
+ pci_iomap
+ pci_irq_vector
+ pci_load_and_free_saved_state
+ pci_load_saved_state
+ pci_map_rom
+ pci_msix_vec_count
+ pci_read_config_dword
+ pci_read_config_word
+ __pci_register_driver
+ pci_release_resource
+ pci_rescan_bus
+ pci_resize_resource
+ pci_restore_state
+ pci_save_state
+ pci_set_master
+ pci_set_power_state
+ pci_store_saved_state
+ pci_unmap_rom
+ pci_unregister_driver
+ pci_write_config_dword
+ pci_write_config_word
+ PDE_DATA
+ __per_cpu_offset
+ perf_event_update_userpage
+ perf_pmu_register
+ perf_pmu_unregister
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_configure
+ phy_init
+ phy_power_off
+ phy_power_on
+ phy_reset
+ pid_task
+ pinconf_generic_dt_node_to_map
+ pinctrl_add_gpio_range
+ pinctrl_dev_get_drvdata
+ pinctrl_force_sleep
+ pinctrl_get
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_put
+ pinctrl_remove_gpio_range
+ pinctrl_select_state
+ pinctrl_utils_free_map
+ pin_get_name
+ pin_user_pages
+ pin_user_pages_remote
+ platform_bus_type
+ platform_device_add
+ platform_device_add_properties
+ platform_device_add_resources
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_device_register
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_probe
+ __platform_driver_register
+ platform_driver_unregister
+ platform_find_device_by_driver
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_resource
+ platform_get_resource_byname
+ __platform_register_drivers
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_power_off
+ __pm_relax
+ pm_relax
+ pm_runtime_allow
+ pm_runtime_autosuspend_expiration
+ pm_runtime_barrier
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ pm_runtime_get_if_active
+ __pm_runtime_idle
+ pm_runtime_irq_safe
+ pm_runtime_no_callbacks
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ pm_stay_awake
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ power_supply_changed
+ power_supply_get_by_name
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_is_system_supplied
+ power_supply_put
+ power_supply_register
+ power_supply_set_property
+ power_supply_unregister
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ __printk_ratelimit
+ printk_timed_ratelimit
+ proc_create
+ proc_create_data
+ proc_create_seq_private
+ proc_mkdir
+ proc_mkdir_data
+ proc_remove
+ proc_set_size
+ proc_set_user
+ proc_symlink
+ __pskb_copy_fclone
+ pskb_expand_head
+ __pskb_pull_tail
+ put_device
+ put_disk
+ __put_net
+ __put_page
+ put_pid
+ __put_task_struct
+ put_unused_fd
+ pwmchip_add
+ pwmchip_remove
+ pwm_get_chip_data
+ pwm_set_chip_data
+ queue_delayed_work_on
+ queue_work_on
+ radix_tree_tagged
+ ___ratelimit
+ raw_notifier_call_chain
+ raw_notifier_chain_register
+ raw_notifier_chain_unregister
+ _raw_read_lock
+ _raw_read_lock_bh
+ _raw_read_lock_irqsave
+ _raw_read_unlock
+ _raw_read_unlock_bh
+ _raw_read_unlock_irqrestore
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ _raw_write_lock
+ _raw_write_lock_bh
+ _raw_write_lock_irqsave
+ _raw_write_trylock
+ _raw_write_unlock
+ _raw_write_unlock_bh
+ _raw_write_unlock_irqrestore
+ rb_erase
+ __rb_erase_color
+ rb_first
+ rb_first_postorder
+ __rb_insert_augmented
+ rb_insert_color
+ rb_next
+ rb_next_postorder
+ rb_prev
+ rb_replace_node
+ rcu_barrier
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_drvdata
+ rdev_get_id
+ reciprocal_value
+ refcount_warn_saturate
+ refresh_frequency_limits
+ __refrigerator
+ regcache_cache_bypass
+ regcache_cache_only
+ regcache_drop_region
+ regcache_mark_dirty
+ regcache_sync
+ register_blkdev
+ __register_chrdev
+ register_chrdev_region
+ register_console
+ register_die_notifier
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_oom_notifier
+ register_pernet_device
+ register_pm_notifier
+ register_reboot_notifier
+ register_restart_handler
+ register_shrinker
+ register_syscore_ops
+ regmap_async_complete
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_multi_reg_write
+ regmap_multi_reg_write_bypassed
+ regmap_raw_read
+ regmap_raw_write
+ regmap_raw_write_async
+ regmap_read
+ regmap_register_patch
+ regmap_update_bits_base
+ regmap_write
+ regulator_bulk_disable
+ regulator_bulk_enable
+ regulator_disable
+ regulator_enable
+ regulator_force_disable
+ regulator_get
+ regulator_get_optional
+ regulator_get_voltage
+ regulator_is_enabled
+ regulator_list_voltage_linear
+ regulator_map_voltage_linear
+ regulator_put
+ regulator_set_mode
+ regulator_set_voltage
+ release_firmware
+ release_pages
+ __release_region
+ remap_pfn_range
+ remap_vmalloc_range
+ remove_cpu
+ remove_proc_entry
+ remove_wait_queue
+ request_firmware
+ request_firmware_direct
+ request_firmware_into_buf
+ request_firmware_nowait
+ __request_module
+ __request_percpu_irq
+ __request_region
+ request_threaded_irq
+ reset_control_assert
+ reset_control_deassert
+ return_address
+ revalidate_disk_size
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ rps_needed
+ rtc_class_close
+ rtc_class_open
+ rtc_read_time
+ __rtc_register_device
+ rtc_set_time
+ rtc_time64_to_tm
+ rtc_tm_to_time64
+ rtc_update_irq
+ rtc_valid_tm
+ rtnl_is_locked
+ rtnl_lock
+ rtnl_unlock
+ runqueues
+ sched_clock
+ sched_set_fifo_low
+ sched_set_normal
+ sched_setscheduler
+ sched_setscheduler_nocheck
+ schedule
+ schedule_timeout
+ schedule_timeout_interruptible
+ scnprintf
+ scsi_block_when_processing_errors
+ scsi_eh_ready_devs
+ __scsi_execute
+ scsi_print_sense_hdr
+ sdev_prefix_printk
+ sdio_signal_irq
+ seq_lseek
+ seq_open
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ seq_write
+ set_cpus_allowed_ptr
+ set_normalized_timespec64
+ set_page_dirty_lock
+ __SetPageMovable
+ set_task_cpu
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_copy_to_buffer
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ sg_nents_for_len
+ sg_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ si_meminfo
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_open
+ simple_read_from_buffer
+ simple_strtol
+ simple_strtoul
+ simple_write_to_buffer
+ single_open
+ single_open_size
+ single_release
+ skb_add_rx_frag
+ skb_clone
+ skb_copy
+ skb_copy_bits
+ skb_copy_expand
+ skb_dequeue
+ skb_dequeue_tail
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_realloc_headroom
+ skb_trim
+ smp_call_function
+ smp_call_function_many
+ smp_call_function_single
+ smp_call_on_cpu
+ snd_compr_stop_error
+ snd_ctl_add
+ snd_ctl_boolean_mono_info
+ snd_ctl_new1
+ snd_ctl_notify
+ snd_device_free
+ snd_dma_alloc_pages
+ snd_dmaengine_pcm_prepare_slave_config
+ snd_dma_free_pages
+ snd_hwdep_new
+ snd_pcm_format_physical_width
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_constraint_list
+ snd_pcm_hw_constraint_mask64
+ snd_pcm_lib_free_pages
+ snd_pcm_lib_ioctl
+ snd_pcm_lib_malloc_pages
+ snd_pcm_lib_preallocate_free_for_all
+ snd_pcm_lib_preallocate_pages
+ snd_pcm_period_elapsed
+ snd_pcm_rate_range_to_bits
+ snd_soc_add_component_controls
+ snd_soc_bytes_info_ext
+ snd_soc_bytes_tlv_callback
+ snd_soc_card_get_kcontrol
+ snd_soc_component_async_complete
+ snd_soc_component_disable_pin
+ snd_soc_component_force_enable_pin
+ snd_soc_component_init_regmap
+ snd_soc_component_read
+ snd_soc_component_set_pll
+ snd_soc_component_set_sysclk
+ snd_soc_component_update_bits
+ snd_soc_component_update_bits_async
+ snd_soc_component_write
+ snd_soc_dai_set_bclk_ratio
+ snd_soc_dai_set_channel_map
+ snd_soc_dai_set_sysclk
+ snd_soc_dai_set_tdm_slot
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_enable_pin
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_pin_status
+ snd_soc_dapm_get_pin_switch
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_ignore_suspend
+ snd_soc_dapm_info_pin_switch
+ snd_soc_dapm_kcontrol_dapm
+ snd_soc_dapm_new_control
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_pin_switch
+ snd_soc_dapm_put_volsw
+ snd_soc_dapm_sync
+ snd_soc_dapm_weak_routes
+ snd_soc_find_dai
+ snd_soc_get_enum_double
+ snd_soc_get_pcm_runtime
+ snd_soc_get_volsw
+ snd_soc_get_volsw_range
+ snd_soc_get_xr_sx
+ snd_soc_info_enum_double
+ snd_soc_info_volsw
+ snd_soc_info_volsw_range
+ snd_soc_info_volsw_sx
+ snd_soc_info_xr_sx
+ snd_soc_new_compress
+ snd_soc_of_get_dai_link_codecs
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_parse_daifmt
+ snd_soc_of_put_dai_link_codecs
+ snd_soc_params_to_bclk
+ snd_soc_pm_ops
+ snd_soc_put_enum_double
+ snd_soc_put_volsw
+ snd_soc_put_volsw_range
+ snd_soc_put_xr_sx
+ snd_soc_register_card
+ snd_soc_register_component
+ snd_soc_set_runtime_hwparams
+ snd_soc_tplg_component_load
+ snd_soc_tplg_component_remove
+ snd_soc_tplg_widget_bind_event
+ snd_soc_unregister_card
+ snd_soc_unregister_component
+ snd_vendor_set_ops
+ snprintf
+ soc_device_register
+ __sock_create
+ sock_release
+ softnet_data
+ sort
+ __spi_alloc_controller
+ spi_bus_type
+ spi_controller_resume
+ spi_controller_suspend
+ spi_finalize_current_message
+ spi_register_controller
+ __spi_register_driver
+ spi_setup
+ spi_sync
+ spi_unregister_controller
+ split_page
+ sprintf
+ sprint_symbol
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ static_key_slow_dec
+ static_key_slow_inc
+ stop_one_cpu_nowait
+ stpcpy
+ strcasecmp
+ strcat
+ strchr
+ strcmp
+ strcpy
+ strcspn
+ stream_open
+ strim
+ strlcat
+ strlcpy
+ strlen
+ strncasecmp
+ strncat
+ strnchr
+ strncmp
+ strncpy
+ strnlen
+ strnstr
+ strpbrk
+ strrchr
+ strscpy
+ strsep
+ strspn
+ strstr
+ submit_bh
+ subsys_system_register
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ swiotlb_nr_tbl
+ __sync_dirty_buffer
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ syscon_regmap_lookup_by_phandle
+ sysfs_add_file_to_group
+ sysfs_create_bin_file
+ sysfs_create_file_ns
+ sysfs_create_files
+ sysfs_create_group
+ sysfs_create_groups
+ sysfs_create_link
+ sysfs_emit
+ __sysfs_match_string
+ sysfs_merge_group
+ sysfs_notify
+ sysfs_remove_bin_file
+ sysfs_remove_file_from_group
+ sysfs_remove_file_ns
+ sysfs_remove_files
+ sysfs_remove_group
+ sysfs_remove_link
+ sysfs_streq
+ sysrq_mask
+ system_freezable_wq
+ system_freezing_cnt
+ system_highpri_wq
+ system_power_efficient_wq
+ system_state
+ system_unbound_wq
+ system_wq
+ sys_tz
+ __tasklet_hi_schedule
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ task_rq_lock
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+ thermal_zone_device_disable
+ thermal_zone_device_enable
+ thermal_zone_device_is_enabled
+ thermal_zone_device_update
+ thermal_zone_get_temp
+ thermal_zone_get_zone_by_name
+ thermal_zone_of_sensor_register
+ thermal_zone_of_sensor_unregister
+ time64_to_tm
+ topology_set_thermal_pressure
+ _totalram_pages
+ __trace_bprintk
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_android_rvh_can_migrate_task
+ __traceiter_android_rvh_cpu_cgroup_can_attach
+ __traceiter_android_rvh_dequeue_task
+ __traceiter_android_rvh_enqueue_task
+ __traceiter_android_rvh_find_lowest_rq
+ __traceiter_android_rvh_find_new_ilb
+ __traceiter_android_rvh_gic_v3_set_affinity
+ __traceiter_android_rvh_post_init_entity_util_avg
+ __traceiter_android_rvh_replace_next_task_fair
+ __traceiter_android_rvh_sched_fork_init
+ __traceiter_android_rvh_sched_newidle_balance
+ __traceiter_android_rvh_sched_nohz_balancer_kick
+ __traceiter_android_rvh_sched_rebalance_domains
+ __traceiter_android_rvh_select_fallback_rq
+ __traceiter_android_rvh_select_task_rq_fair
+ __traceiter_android_rvh_select_task_rq_rt
+ __traceiter_android_vh_cpu_idle_enter
+ __traceiter_android_vh_cpu_idle_exit
+ __traceiter_android_vh_do_wake_up_sync
+ __traceiter_android_vh_ipi_stop
+ __traceiter_android_vh_scheduler_tick
+ __traceiter_android_vh_set_wake_flags
+ __traceiter_android_vh_show_mem
+ __traceiter_android_vh_ufs_compl_command
+ __traceiter_android_vh_ufs_prepare_command
+ __traceiter_cpu_idle
+ __traceiter_device_pm_callback_end
+ __traceiter_device_pm_callback_start
+ __traceiter_dwc3_ep_queue
+ __traceiter_gpu_mem_total
+ __traceiter_hrtimer_expire_entry
+ __traceiter_hrtimer_expire_exit
+ __traceiter_ipi_entry
+ __traceiter_ipi_exit
+ __traceiter_ipi_raise
+ __traceiter_irq_handler_entry
+ __traceiter_irq_handler_exit
+ __traceiter_pelt_cfs_tp
+ __traceiter_pelt_dl_tp
+ __traceiter_pelt_irq_tp
+ __traceiter_pelt_rt_tp
+ __traceiter_pelt_se_tp
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __traceiter_sched_overutilized_tp
+ __traceiter_sched_switch
+ __traceiter_suspend_resume
+ __traceiter_workqueue_execute_end
+ __traceiter_workqueue_execute_start
+ trace_output_call
+ __tracepoint_android_rvh_can_migrate_task
+ __tracepoint_android_rvh_cpu_cgroup_can_attach
+ __tracepoint_android_rvh_dequeue_task
+ __tracepoint_android_rvh_enqueue_task
+ __tracepoint_android_rvh_find_lowest_rq
+ __tracepoint_android_rvh_find_new_ilb
+ __tracepoint_android_rvh_gic_v3_set_affinity
+ __tracepoint_android_rvh_post_init_entity_util_avg
+ __tracepoint_android_rvh_replace_next_task_fair
+ __tracepoint_android_rvh_sched_fork_init
+ __tracepoint_android_rvh_sched_newidle_balance
+ __tracepoint_android_rvh_sched_nohz_balancer_kick
+ __tracepoint_android_rvh_sched_rebalance_domains
+ __tracepoint_android_rvh_select_fallback_rq
+ __tracepoint_android_rvh_select_task_rq_fair
+ __tracepoint_android_rvh_select_task_rq_rt
+ __tracepoint_android_vh_cpu_idle_enter
+ __tracepoint_android_vh_cpu_idle_exit
+ __tracepoint_android_vh_do_wake_up_sync
+ __tracepoint_android_vh_ipi_stop
+ __tracepoint_android_vh_scheduler_tick
+ __tracepoint_android_vh_set_wake_flags
+ __tracepoint_android_vh_show_mem
+ __tracepoint_android_vh_ufs_compl_command
+ __tracepoint_android_vh_ufs_prepare_command
+ __tracepoint_cpu_idle
+ __tracepoint_device_pm_callback_end
+ __tracepoint_device_pm_callback_start
+ __tracepoint_dwc3_ep_queue
+ __tracepoint_gpu_mem_total
+ __tracepoint_hrtimer_expire_entry
+ __tracepoint_hrtimer_expire_exit
+ __tracepoint_ipi_entry
+ __tracepoint_ipi_exit
+ __tracepoint_ipi_raise
+ __tracepoint_irq_handler_entry
+ __tracepoint_irq_handler_exit
+ __tracepoint_pelt_cfs_tp
+ __tracepoint_pelt_dl_tp
+ __tracepoint_pelt_irq_tp
+ __tracepoint_pelt_rt_tp
+ __tracepoint_pelt_se_tp
+ tracepoint_probe_register
+ tracepoint_probe_unregister
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __tracepoint_sched_overutilized_tp
+ __tracepoint_sched_switch
+ __tracepoint_suspend_resume
+ __tracepoint_workqueue_execute_end
+ __tracepoint_workqueue_execute_start
+ trace_print_array_seq
+ trace_print_flags_seq
+ trace_print_symbols_seq
+ trace_raw_output_prep
+ trace_seq_printf
+ try_module_get
+ ttm_bo_bulk_move_lru_tail
+ ttm_bo_device_init
+ ttm_bo_device_release
+ ttm_bo_dma_acc_size
+ ttm_bo_eviction_valuable
+ ttm_bo_evict_mm
+ ttm_bo_glob
+ ttm_bo_init_reserved
+ ttm_bo_kmap
+ ttm_bo_kunmap
+ ttm_bo_lock_delayed_workqueue
+ ttm_bo_mem_space
+ ttm_bo_mmap
+ ttm_bo_mmap_obj
+ ttm_bo_move_accel_cleanup
+ ttm_bo_move_memcpy
+ ttm_bo_move_to_lru_tail
+ ttm_bo_move_ttm
+ ttm_bo_put
+ ttm_bo_unlock_delayed_workqueue
+ ttm_bo_validate
+ ttm_dma_page_alloc_debugfs
+ ttm_dma_populate
+ ttm_dma_tt_fini
+ ttm_dma_unpopulate
+ ttm_eu_backoff_reservation
+ ttm_eu_fence_buffer_objects
+ ttm_eu_reserve_buffers
+ ttm_page_alloc_debugfs
+ ttm_populate_and_map_pages
+ ttm_range_man_fini
+ ttm_range_man_init
+ ttm_resource_free
+ ttm_resource_manager_force_list_clean
+ ttm_resource_manager_init
+ ttm_sg_tt_init
+ ttm_tt_destroy_common
+ ttm_tt_populate
+ ttm_tt_set_placement_caching
+ ttm_unmap_and_unpopulate_pages
+ tty_flip_buffer_push
+ tty_insert_flip_string_fixed_flag
+ tty_kref_put
+ tty_port_tty_get
+ typec_get_drvdata
+ typec_register_partner
+ typec_register_port
+ typec_set_data_role
+ typec_set_pwr_opmode
+ typec_set_pwr_role
+ typec_unregister_partner
+ typec_unregister_port
+ uart_add_one_port
+ uart_console_write
+ uart_get_baud_rate
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ uclamp_eff_value
+ __udelay
+ ufshcd_auto_hibern8_update
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_hold
+ ufshcd_pltfrm_init
+ ufshcd_query_flag_retry
+ ufshcd_release
+ ufshcd_remove
+ ufshcd_shutdown
+ ufshcd_system_resume
+ ufshcd_system_suspend
+ unlock_page
+ unmap_mapping_range
+ unpin_user_page
+ unregister_blkdev
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_netdev
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_oom_notifier
+ unregister_pernet_device
+ unregister_pm_notifier
+ unregister_reboot_notifier
+ unregister_shrinker
+ up
+ update_devfreq
+ up_read
+ up_write
+ usb_add_function
+ usb_add_hcd
+ usb_choose_configuration
+ usb_copy_descriptors
+ __usb_create_hcd
+ usb_deregister
+ usb_disabled
+ usb_enable_autosuspend
+ usb_ep_alloc_request
+ usb_ep_autoconfig
+ usb_ep_free_request
+ usb_ep_queue
+ usb_function_register
+ usb_function_unregister
+ usb_gadget_set_state
+ usb_hcd_is_primary_hcd
+ usb_hcd_platform_shutdown
+ usb_hub_find_child
+ usb_interface_id
+ usbnet_disconnect
+ usbnet_get_endpoints
+ usbnet_get_msglevel
+ usbnet_get_stats64
+ usbnet_link_change
+ usbnet_nway_reset
+ usbnet_open
+ usbnet_probe
+ usbnet_read_cmd
+ usbnet_read_cmd_nopm
+ usbnet_resume
+ usbnet_set_msglevel
+ usbnet_skb_return
+ usbnet_start_xmit
+ usbnet_stop
+ usbnet_suspend
+ usbnet_tx_timeout
+ usbnet_update_max_qlen
+ usbnet_write_cmd
+ usbnet_write_cmd_async
+ usbnet_write_cmd_nopm
+ usb_otg_state_string
+ usb_put_function_instance
+ usb_put_hcd
+ usb_register_driver
+ usb_register_notify
+ usb_remove_hcd
+ usb_speed_string
+ usb_string_id
+ usb_unregister_notify
+ __usecs_to_jiffies
+ usleep_range
+ v4l2_ctrl_auto_cluster
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_handler_setup
+ v4l2_ctrl_log_status
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu
+ v4l2_ctrl_poll
+ v4l2_ctrl_subscribe_event
+ v4l2_device_register
+ v4l2_device_register_subdev
+ v4l2_device_set_name
+ v4l2_device_unregister
+ v4l2_device_unregister_subdev
+ v4l2_event_unsubscribe
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_fh_is_singular
+ v4l2_fh_open
+ v4l2_fh_release
+ v4l2_i2c_subdev_init
+ v4l2_m2m_buf_queue
+ v4l2_m2m_buf_remove
+ v4l2_m2m_ctx_init
+ v4l2_m2m_ctx_release
+ v4l2_m2m_dqbuf
+ v4l2_m2m_fop_mmap
+ v4l2_m2m_fop_poll
+ v4l2_m2m_get_curr_priv
+ v4l2_m2m_get_vq
+ v4l2_m2m_init
+ v4l2_m2m_ioctl_dqbuf
+ v4l2_m2m_ioctl_querybuf
+ v4l2_m2m_ioctl_reqbufs
+ v4l2_m2m_ioctl_streamoff
+ v4l2_m2m_ioctl_streamon
+ v4l2_m2m_job_finish
+ v4l2_m2m_mmap
+ v4l2_m2m_next_buf
+ v4l2_m2m_poll
+ v4l2_m2m_qbuf
+ v4l2_m2m_querybuf
+ v4l2_m2m_release
+ v4l2_m2m_reqbufs
+ v4l2_m2m_streamoff
+ v4l2_m2m_streamon
+ v4l2_m2m_try_schedule
+ v4l2_match_dv_timings
+ v4l2_spi_subdev_init
+ v4l2_subdev_call_wrappers
+ v4l2_subdev_init
+ v4l_bound_align_image
+ vabits_actual
+ vb2_buffer_done
+ vb2_common_vm_ops
+ vb2_create_framevec
+ vb2_destroy_framevec
+ vb2_dqbuf
+ vb2_mmap
+ vb2_ops_wait_finish
+ vb2_ops_wait_prepare
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_poll
+ vb2_prepare_buf
+ vb2_qbuf
+ vb2_querybuf
+ vb2_queue_init
+ vb2_queue_release
+ vb2_reqbufs
+ vb2_streamoff
+ vb2_streamon
+ vb2_wait_for_all_buffers
+ verify_pkcs7_signature
+ vfree
+ vfs_fsync
+ vfs_getattr
+ vfs_llseek
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ vmalloc
+ vmalloc_to_page
+ vmalloc_to_pfn
+ vmalloc_user
+ vmap
+ vmf_insert_pfn_prot
+ vm_get_page_prot
+ vm_insert_page
+ vm_iomap_memory
+ vm_map_pages
+ vm_map_ram
+ vm_unmap_ram
+ vprintk_emit
+ vscnprintf
+ vsnprintf
+ vsprintf
+ vunmap
+ vzalloc
+ wait_for_completion
+ wait_for_completion_interruptible
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_killable
+ wait_for_completion_timeout
+ __wait_on_buffer
+ __wake_up
+ __wake_up_locked
+ __wake_up_locked_key
+ wake_up_process
+ wakeup_source_add
+ wakeup_source_destroy
+ wakeup_source_register
+ wakeup_source_unregister
+ __wake_up_sync
+ __wake_up_sync_key
+ __warn_printk
+ watchdog_init_timeout
+ watchdog_register_device
+ watchdog_set_restart_priority
+ watchdog_unregister_device
+ wireless_nlevent_flush
+ work_busy
+ ww_mutex_lock
+ ww_mutex_lock_interruptible
+ ww_mutex_unlock
+ xhci_add_endpoint
+ xhci_address_device
+ xhci_bus_resume
+ xhci_bus_suspend
+ xhci_check_trb_in_td_math
+ xhci_gen_setup
+ xhci_get_endpoint_index
+ xhci_get_ep_ctx
+ xhci_init_driver
+ xhci_initialize_ring_info
+ xhci_link_segments
+ xhci_resume
+ xhci_ring_alloc
+ xhci_run
+ xhci_segment_free
+ xhci_suspend
+ xhci_trb_virt_to_dma
+ xhci_vendor_get_ops
diff --git a/android/abi_gki_aarch64_exynosauto b/android/abi_gki_aarch64_exynosauto
new file mode 100644
index 0000000..dc913dc
--- /dev/null
+++ b/android/abi_gki_aarch64_exynosauto
@@ -0,0 +1,1499 @@
+[abi_symbol_list]
+# commonly used symbols
+ add_wait_queue
+ alloc_chrdev_region
+ __alloc_pages_nodemask
+ __alloc_percpu
+ alloc_workqueue
+ __arch_copy_from_user
+ __arch_copy_to_user
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_smc
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ __bitmap_and
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run2
+ bpf_trace_run4
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_add
+ cdev_del
+ cdev_init
+ __cfi_slowpath
+ __check_object_size
+ __class_create
+ class_destroy
+ clk_disable
+ clk_enable
+ clk_get
+ clk_get_rate
+ __clk_is_enabled
+ clk_prepare
+ clk_put
+ clk_register
+ clk_set_rate
+ clk_unprepare
+ clk_unregister
+ cma_alloc
+ cma_release
+ complete
+ complete_all
+ complete_and_exit
+ __const_udelay
+ cpu_bit_bitmap
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpumask_next
+ cpu_number
+ __cpu_online_mask
+ cpu_pm_register_notifier
+ __cpu_possible_mask
+ crc32_le
+ __crypto_memneq
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_u32
+ debugfs_remove
+ default_llseek
+ delayed_work_timer_fn
+ del_timer
+ del_timer_sync
+ destroy_workqueue
+ _dev_crit
+ dev_driver_string
+ _dev_emerg
+ _dev_err
+ device_create
+ device_create_file
+ device_destroy
+ device_initialize
+ device_init_wakeup
+ device_remove_file
+ _dev_info
+ devm_clk_get
+ devm_free_irq
+ devm_gpiod_get_optional
+ devm_gpio_request_one
+ devm_i2c_new_dummy_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ __devm_of_phy_provider_register
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_get
+ devm_platform_ioremap_resource
+ __devm_regmap_init_i2c
+ devm_regulator_bulk_get
+ __devm_request_region
+ devm_request_threaded_irq
+ devm_rtc_device_register
+ devm_snd_soc_register_card
+ devm_snd_soc_register_component
+ _dev_notice
+ devres_add
+ devres_alloc_node
+ dev_set_name
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ display_timings_release
+ dma_alloc_attrs
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_detach
+ dma_buf_end_cpu_access
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dma_buf_mmap
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dmaengine_unmap_put
+ dma_fence_add_callback
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_init
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ dma_free_attrs
+ dma_heap_buffer_alloc
+ dma_heap_find
+ dma_heap_get_drvdata
+ dma_heap_put
+ dma_map_page_attrs
+ dma_map_sg_attrs
+ dma_release_channel
+ dma_request_chan
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_sg_attrs
+ down_interruptible
+ down_read
+ drm_add_edid_modes
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ drm_bridge_add
+ drm_bridge_remove
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_register
+ drm_connector_update_edid_property
+ drm_display_mode_from_videomode
+ __drm_err
+ drm_helper_probe_single_connector_modes
+ drm_kms_helper_hotplug_event
+ drm_mode_copy
+ drm_mode_create
+ drm_mode_probed_add
+ drm_mode_vrefresh
+ dump_stack
+ enable_irq
+ event_triggers_call
+ fd_install
+ find_next_bit
+ find_vma
+ finish_wait
+ flush_delayed_work
+ flush_work
+ flush_workqueue
+ fput
+ frame_vector_to_pages
+ free_irq
+ __free_pages
+ free_pages
+ free_percpu
+ freezing_slow_path
+ generic_file_llseek
+ generic_handle_irq
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_free_owner
+ get_device
+ __get_free_pages
+ get_random_bytes
+ get_task_mm
+ get_unused_fd_flags
+ gic_nonsecure_priorities
+ gpiod_direction_input
+ gpiod_direction_output_raw
+ gpiod_get_raw_value
+ gpiod_set_raw_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_free
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ handle_edge_irq
+ handle_level_irq
+ handle_nested_irq
+ hrtimer_cancel
+ hrtimer_forward
+ hrtimer_init
+ hrtimer_start_range_ns
+ i2c_add_numbered_adapter
+ i2c_del_driver
+ i2c_register_driver
+ i2c_transfer
+ i2c_unregister_device
+ idr_remove
+ __init_rwsem
+ __init_swait_queue_head
+ init_timer_key
+ init_wait_entry
+ __init_waitqueue_head
+ iomem_resource
+ iommu_get_domain_for_dev
+ iommu_register_device_fault_handler
+ iommu_unregister_device_fault_handler
+ __ioremap
+ iounmap
+ __irq_alloc_descs
+ __irq_domain_add
+ irq_domain_remove
+ irq_find_mapping
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irq_wake
+ irq_to_desc
+ is_vmalloc_addr
+ jiffies
+ jiffies_to_msecs
+ kasan_flag_enabled
+ kasprintf
+ kfree
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kobject_create_and_add
+ kobject_get
+ kobject_init_and_add
+ kobject_put
+ krealloc
+ kset_unregister
+ kstrdup
+ kstrtobool
+ kstrtoint
+ kstrtou8
+ kstrtouint
+ kstrtoull
+ kthread_create_on_node
+ __kthread_init_worker
+ kthread_queue_work
+ kthread_stop
+ kthread_worker_fn
+ ktime_get
+ ktime_get_mono_fast_ns
+ ktime_get_raw_ts64
+ ktime_get_real_ts64
+ ktime_get_ts64
+ kvfree
+ kvmalloc_node
+ __list_add_valid
+ __list_del_entry_valid
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ loops_per_jiffy
+ memcpy
+ memdup_user
+ memset
+ memstart_addr
+ mfd_add_devices
+ mfd_remove_devices
+ mipi_dsi_attach
+ mipi_dsi_detach
+ mipi_dsi_device_register_full
+ mipi_dsi_device_unregister
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ misc_deregister
+ misc_register
+ mmput
+ mod_timer
+ module_layout
+ __msecs_to_jiffies
+ msleep
+ __mutex_init
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_unlock
+ no_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ ns_to_timespec64
+ __num_online_cpus
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_get
+ of_count_phandle_with_args
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_matching_node_and_match
+ of_find_mipi_dsi_host_by_node
+ of_find_node_by_name
+ of_find_node_opts_by_path
+ of_find_property
+ of_get_child_by_name
+ of_get_display_timings
+ of_get_named_gpio_flags
+ of_get_next_child
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_remote_node
+ of_iomap
+ of_match_device
+ of_match_node
+ of_parse_phandle
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u8_array
+ of_prop_next_string
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_lookup
+ of_root
+ panic
+ panic_notifier_list
+ param_ops_bool
+ param_ops_int
+ param_ops_string
+ param_ops_uint
+ PDE_DATA
+ __per_cpu_offset
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ phy_power_off
+ phy_power_on
+ pinctrl_lookup_state
+ pinctrl_select_state
+ platform_bus_type
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_probe
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_resource
+ platform_get_resource_byname
+ pm_power_off
+ __pm_runtime_disable
+ pm_runtime_enable
+ __pm_runtime_idle
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ proc_create_data
+ put_device
+ __put_task_struct
+ put_unused_fd
+ queue_delayed_work_on
+ queue_work_on
+ radix_tree_delete
+ radix_tree_insert
+ radix_tree_lookup
+ radix_tree_next_chunk
+ ___ratelimit
+ _raw_spin_lock
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_unlock
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_drvdata
+ rdev_get_id
+ refcount_dec_and_mutex_lock
+ refcount_warn_saturate
+ __refrigerator
+ regcache_mark_dirty
+ regcache_sync
+ __register_chrdev
+ register_pm_notifier
+ register_reboot_notifier
+ register_restart_handler
+ register_syscore_ops
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_bulk_disable
+ regulator_bulk_enable
+ regulator_disable
+ regulator_enable
+ regulator_get_optional
+ regulator_list_voltage_linear
+ regulator_map_voltage_linear
+ regulator_put
+ regulator_register
+ regulator_unregister
+ release_firmware
+ __release_region
+ remove_proc_entry
+ request_firmware
+ __request_region
+ request_threaded_irq
+ sched_clock
+ schedule
+ schedule_timeout
+ scnprintf
+ seq_lseek
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ set_cpus_allowed_ptr
+ set_page_dirty_lock
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_init_table
+ sg_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_open
+ simple_read_from_buffer
+ simple_strtoul
+ simple_write_to_buffer
+ single_open
+ single_release
+ smp_call_function
+ snd_pcm_format_width
+ snd_soc_component_update_bits
+ snd_soc_component_write
+ snd_soc_dai_set_fmt
+ snd_soc_dai_set_tdm_slot
+ snd_soc_dai_set_tristate
+ snd_soc_info_volsw
+ snd_soc_of_get_dai_link_codecs
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_put_dai_link_codecs
+ snd_soc_pm_ops
+ snprintf
+ sort
+ split_page
+ sprintf
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ strcasecmp
+ strcmp
+ strcpy
+ strcspn
+ strlcat
+ strlcpy
+ strlen
+ strncmp
+ strncpy
+ strnlen
+ strstr
+ __sw_hweight64
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ syscon_regmap_lookup_by_phandle
+ sysfs_create_file_ns
+ sysfs_create_group
+ sysfs_create_groups
+ sysfs_remove_file_ns
+ sysfs_remove_group
+ system_freezing_cnt
+ system_wq
+ tasklet_kill
+ __tasklet_schedule
+ _totalram_pages
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ tracepoint_probe_register
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ trace_raw_output_prep
+ trace_seq_printf
+ __udelay
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_pm_notifier
+ unregister_reboot_notifier
+ up
+ up_read
+ __usecs_to_jiffies
+ usleep_range
+ v4l2_device_register
+ v4l2_device_unregister
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_subdev_init
+ vabits_actual
+ vb2_buffer_done
+ vb2_dqbuf
+ vb2_mmap
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_poll
+ vb2_qbuf
+ vb2_querybuf
+ vb2_queue_init
+ vb2_queue_release
+ vb2_reqbufs
+ vb2_streamoff
+ vb2_streamon
+ vfree
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_ioctl2
+ videomode_from_timings
+ __video_register_device
+ video_unregister_device
+ vmalloc
+ vmalloc_to_page
+ vmap
+ vsnprintf
+ vunmap
+ vzalloc
+ wait_for_completion
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_timeout
+ __wake_up
+ wake_up_process
+ wakeup_source_register
+ wakeup_source_unregister
+ __warn_printk
+ work_busy
+
+# required by adv7511.ko
+ cec_s_phys_addr
+ cec_s_phys_addr_from_edid
+ cec_unregister_adapter
+ drm_bridge_hpd_notify
+ drm_detect_hdmi_monitor
+ drm_do_get_edid
+ hdmi_avi_infoframe_init
+ hdmi_avi_infoframe_pack
+ i2c_new_ancillary_device
+ regmap_bulk_write
+ regmap_register_patch
+
+# required by bts-exynos.ko
+ strpbrk
+
+# required by bufq.ko
+ kstrndup
+
+# required by clk_exynos.ko
+ __clk_get_hw
+ clk_hw_get_parent
+ clk_register_clkdev
+ clk_register_fixed_factor
+ clk_register_fixed_rate
+ of_clk_src_onecell_get
+
+# required by cmupmucal.ko
+ debugfs_create_x32
+ kernel_kobj
+
+# required by dmatest.ko
+ dmaengine_get_unmap_data
+ __dma_request_channel
+ dma_sync_wait
+ kthread_should_stop
+ param_get_bool
+ param_get_string
+ param_set_bool
+ param_set_copystring
+ prandom_bytes
+ set_freezable
+ set_user_nice
+ strim
+
+# required by dss.ko
+ android_debug_symbol
+ arch_timer_read_counter
+ dump_backtrace
+ init_task
+ input_close_device
+ input_open_device
+ input_register_handle
+ input_register_handler
+ input_unregister_handle
+ kmsg_dump_get_line
+ kmsg_dump_rewind
+ kstat
+ nr_irqs
+ proc_create
+ register_die_notifier
+ return_address
+ rtc_time64_to_tm
+ sys_tz
+ time64_to_tm
+ __traceiter_android_vh_ipi_stop
+ __traceiter_android_vh_logbuf
+ __traceiter_cpu_idle
+ __traceiter_device_pm_callback_end
+ __traceiter_device_pm_callback_start
+ __traceiter_hrtimer_expire_entry
+ __traceiter_hrtimer_expire_exit
+ __traceiter_irq_handler_entry
+ __traceiter_irq_handler_exit
+ __traceiter_sched_switch
+ __traceiter_suspend_resume
+ __traceiter_workqueue_execute_end
+ __traceiter_workqueue_execute_start
+ __tracepoint_android_vh_ipi_stop
+ __tracepoint_android_vh_logbuf
+ __tracepoint_cpu_idle
+ __tracepoint_device_pm_callback_end
+ __tracepoint_device_pm_callback_start
+ __tracepoint_hrtimer_expire_entry
+ __tracepoint_hrtimer_expire_exit
+ __tracepoint_irq_handler_entry
+ __tracepoint_irq_handler_exit
+ __tracepoint_sched_switch
+ __tracepoint_suspend_resume
+ __tracepoint_workqueue_execute_end
+ __tracepoint_workqueue_execute_start
+
+# required by dwc3-exynosauto-usb.ko
+ device_for_each_child
+ device_property_present
+ devm_regulator_get
+ phy_exit
+ phy_init
+ platform_device_add
+ platform_device_add_properties
+ platform_device_add_resources
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_get_irq_byname_optional
+ __pm_relax
+ pm_runtime_allow
+ pm_runtime_forbid
+ __pm_runtime_set_status
+ __pm_stay_awake
+ __traceiter_dwc3_readl
+ __traceiter_dwc3_writel
+ __tracepoint_dwc3_readl
+ __tracepoint_dwc3_writel
+ usb_gadget_set_state
+ usb_otg_state_string
+
+# required by exynos-chipid_v2.ko
+ soc_device_register
+ subsys_system_register
+
+# required by exynos-coresight.ko
+ __cpuhp_setup_state_cpuslocked
+ cpu_pm_unregister_notifier
+ of_prop_next_u32
+
+# required by exynos-debug-test.ko
+ _ctype
+ kstrtoll
+ remove_cpu
+ smp_call_function_single
+ strsep
+
+# required by exynos-ehld.ko
+ sprint_symbol
+
+# required by exynos-pd.ko
+ of_genpd_add_provider_simple
+ pm_genpd_add_subdomain
+ pm_genpd_init
+
+# required by exynos9drm.ko
+ bus_find_device
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_unbind_all
+ console_trylock
+ console_unlock
+ debugfs_lookup
+ device_rename
+ drm_atomic_bridge_chain_enable
+ drm_atomic_bridge_chain_pre_enable
+ drm_atomic_helper_check
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_planes
+ drm_atomic_helper_crtc_destroy_state
+ drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_crtc_reset
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_disable_planes_on_crtc
+ drm_atomic_helper_fake_vblank
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ __drm_atomic_helper_plane_reset
+ __drm_atomic_helper_private_obj_duplicate_state
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_vblanks
+ drm_atomic_normalize_zpos
+ drm_atomic_private_obj_init
+ drm_bridge_attach
+ drm_compat_ioctl
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_connector_set_path_property
+ drm_connector_set_tile_property
+ drm_connector_unregister
+ drm_crtc_arm_vblank_event
+ drm_crtc_cleanup
+ __drm_crtc_commit_free
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_count
+ drm_crtc_vblank_get
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ drm_crtc_vblank_waitqueue
+ __drm_dbg
+ drm_debugfs_create_files
+ drm_dev_alloc
+ drm_dev_dbg
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_display_mode_to_videomode
+ drm_dp_aux_register
+ drm_dp_aux_unregister
+ drm_dp_bw_code_to_link_rate
+ drm_dp_calc_pbn_mode
+ drm_dp_channel_eq_ok
+ drm_dp_check_act_status
+ drm_dp_clock_recovery_ok
+ drm_dp_downstream_debug
+ drm_dp_dpcd_read
+ drm_dp_dpcd_read_link_status
+ drm_dp_dpcd_write
+ drm_dp_dsc_sink_line_buf_depth
+ drm_dp_dsc_sink_max_slice_count
+ drm_dp_find_vcpi_slots
+ drm_dp_get_adjust_request_pre_emphasis
+ drm_dp_get_adjust_request_voltage
+ drm_dp_link_train_channel_eq_delay
+ drm_dp_link_train_clock_recovery_delay
+ drm_dp_mst_allocate_vcpi
+ drm_dp_mst_deallocate_vcpi
+ drm_dp_mst_detect_port
+ drm_dp_mst_dump_topology
+ drm_dp_mst_get_port_malloc
+ drm_dp_mst_hpd_irq
+ drm_dp_mst_put_port_malloc
+ drm_dp_mst_reset_vcpi_slots
+ drm_dp_mst_topology_mgr_init
+ drm_dp_mst_topology_mgr_set_mst
+ drm_dp_update_payload_part1
+ drm_dp_update_payload_part2
+ drm_dsc_compute_rc_parameters
+ drm_dsc_pps_payload_pack
+ drm_encoder_cleanup
+ drm_encoder_init
+ drm_flip_work_cleanup
+ drm_flip_work_commit
+ drm_flip_work_init
+ drm_flip_work_queue
+ drm_framebuffer_cleanup
+ drm_framebuffer_init
+ drm_gem_create_mmap_offset
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_object_free
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_private_object_init
+ drm_gem_vm_close
+ drm_gem_vm_open
+ drm_get_connector_status_name
+ drm_get_edid
+ drm_get_format_info
+ drm_helper_connector_dpms
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_detect
+ drm_ioctl
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drmm_mode_config_init
+ drm_mode_config_cleanup
+ drm_mode_config_helper_resume
+ drm_mode_config_helper_suspend
+ drm_mode_config_reset
+ drm_mode_object_get
+ drm_mode_object_put
+ drm_of_component_match_add
+ drm_of_crtc_port_mask
+ drm_of_find_possible_crtcs
+ drm_open
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_prepare
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_plane_create_alpha_property
+ drm_plane_create_blend_mode_property
+ drm_plane_create_zpos_immutable_property
+ drm_plane_create_zpos_property
+ drm_poll
+ drm_prime_gem_destroy
+ drm_read
+ drm_release
+ drm_universal_plane_init
+ drm_vblank_init
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ mutex_is_locked
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_graph_get_endpoint_by_regs
+ of_graph_get_endpoint_count
+ of_graph_get_next_endpoint
+ of_graph_get_port_by_id
+ of_graph_get_remote_port
+ of_graph_get_remote_port_parent
+ of_graph_parse_endpoint
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ seq_hex_dump
+
+# required by exynos_mfc.ko
+ iommu_dma_reserve_iova
+ iommu_map_sg
+ iommu_unmap
+
+# required by exynos_pm_qos.ko
+ kstrtoint_from_user
+ _raw_read_lock_irqsave
+ _raw_read_unlock_irqrestore
+ _raw_write_lock_irqsave
+ _raw_write_unlock_irqrestore
+
+# required by exynos_thermal.ko
+ of_thermal_get_ntrips
+ of_thermal_is_trip_valid
+ thermal_zone_device_update
+ thermal_zone_of_sensor_register
+ thermal_zone_of_sensor_unregister
+
+# required by exynos_tty.ko
+ dma_get_slave_caps
+ do_SAK
+ handle_sysrq
+ register_console
+ sysrq_mask
+ tty_flip_buffer_push
+ tty_insert_flip_string_fixed_flag
+ tty_kref_put
+ tty_port_tty_get
+ uart_add_one_port
+ uart_console_write
+ uart_get_baud_rate
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+
+# required by g2d.ko
+ add_timer
+ device_get_dma_attr
+ dma_fence_signal_locked
+ frame_vector_create
+ frame_vector_destroy
+ get_vaddr_frames
+ mod_delayed_work_on
+ put_vaddr_frames
+
+# required by hardlockup-watchdog.ko
+ __cpuhp_setup_state
+ cpus_read_lock
+ cpus_read_unlock
+ smp_call_on_cpu
+
+# required by i2c-exynosauto.ko
+ i2c_del_adapter
+
+# required by mali_kbase.ko
+ anon_inode_getfd
+ __arch_clear_user
+ __bitmap_weight
+ bpf_trace_run1
+ bpf_trace_run3
+ bpf_trace_run5
+ cache_line_size
+ clear_page
+ __close_fd
+ debugfs_create_bool
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put_regulators
+ dev_pm_opp_set_regulators
+ dma_fence_get_status
+ down
+ downgrade_write
+ down_trylock
+ down_write
+ failure_tracking
+ __get_task_comm
+ get_user_pages
+ get_user_pages_fast
+ get_user_pages_remote
+ hrtimer_active
+ kstrtobool_from_user
+ ktime_get_raw
+ kvfree_call_rcu
+ __mmdrop
+ module_put
+ of_machine_is_compatible
+ __page_pinner_migration_failed
+ param_array_ops
+ param_ops_byte
+ __put_page
+ rb_erase
+ rb_first
+ rb_insert_color
+ rb_next
+ rb_prev
+ rb_replace_node
+ register_shrinker
+ remap_pfn_range
+ remap_vmalloc_range
+ seq_open
+ seq_write
+ static_key_slow_dec
+ static_key_slow_inc
+ strncasecmp
+ __sw_hweight32
+ synchronize_rcu
+ sysfs_streq
+ __traceiter_gpu_mem_total
+ trace_output_call
+ __tracepoint_gpu_mem_total
+ trace_print_array_seq
+ trace_print_flags_seq
+ trace_print_symbols_seq
+ try_module_get
+ unmap_mapping_range
+ unregister_shrinker
+ up_write
+ vmalloc_user
+ vmf_insert_pfn_prot
+
+# required by mcDrvModule.ko
+ crypto_alloc_shash
+ crypto_destroy_tfm
+ crypto_shash_final
+ crypto_shash_update
+ d_path
+ get_task_exe_file
+ get_zeroed_page
+ kstrtol_from_user
+ kstrtouint_from_user
+ pin_user_pages
+ release_pages
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ unpin_user_page
+ wait_for_completion_interruptible
+ wait_for_completion_killable
+
+# required by panel-samsung-dummy.ko
+ drm_panel_add
+ drm_panel_init
+ drm_panel_remove
+
+# required by pcie-exynos-dw-ep.ko
+ dw_pcie_ep_init
+ dw_pcie_read_dbi
+ dw_pcie_write_dbi
+ pci_epc_clear_bar
+ pci_epc_map_addr
+ pci_epc_mem_alloc_addr
+ pci_epc_mem_free_addr
+ pci_epc_set_bar
+ pci_epc_unmap_addr
+
+# required by pcie-exynos-dw-rc.ko
+ bitmap_find_free_region
+ bitmap_release_region
+ dw_pcie_host_init
+ dw_pcie_msi_init
+ dw_pcie_own_conf_map_bus
+ dw_pcie_read
+ dw_pcie_setup_rc
+ dw_pcie_write
+ irq_chip_ack_parent
+ irq_chip_mask_parent
+ irq_chip_unmask_parent
+ irq_domain_get_irq_data
+ irq_domain_set_info
+ irq_domain_update_bus_token
+ pcie_get_mps
+ pcie_set_mps
+ pci_find_bus
+ pci_generic_config_read
+ pci_generic_config_write
+ pci_get_device
+ pci_load_saved_state
+ pci_msi_create_irq_domain
+ pci_msi_mask_irq
+ pci_msi_unmask_irq
+ pci_num_vf
+ pci_rescan_bus
+ pci_restore_state
+ pci_save_state
+ pci_store_saved_state
+
+# required by pcs-xpcs.ko
+ mdiobus_read
+ mdiobus_write
+
+# required by pinctrl-samsung-core.ko
+ devm_gpiochip_add_data_with_key
+ devm_pinctrl_register
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_lock_as_irq
+ gpiochip_unlock_as_irq
+ irq_create_mapping_affinity
+ irq_domain_xlate_twocell
+ irq_set_chained_handler_and_data
+ of_node_name_eq
+ pinctrl_add_gpio_range
+ pinctrl_dev_get_drvdata
+ pinctrl_remove_gpio_range
+
+# required by pl330.ko
+ amba_driver_register
+ amba_driver_unregister
+ dev_err_probe
+ __devm_reset_control_get
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_get_slave_channel
+ dma_map_resource
+ dma_unmap_resource
+ of_dma_controller_free
+ of_dma_controller_register
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ pm_runtime_irq_safe
+ reset_control_assert
+ reset_control_deassert
+ tasklet_setup
+
+# required by pps_core.ko
+ fasync_helper
+ idr_alloc
+ idr_get_next
+ kill_fasync
+
+# required by ptp.ko
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ kthread_cancel_delayed_work_sync
+ kthread_create_worker
+ kthread_delayed_work_timer_fn
+ kthread_destroy_worker
+ kthread_mod_delayed_work
+ kthread_queue_delayed_work
+ ktime_get_snapshot
+ posix_clock_register
+ posix_clock_unregister
+
+# required by reboot-mode.ko
+ devres_free
+ devres_release
+ kfree_const
+ kstrdup_const
+
+# required by rtc-s2vps01.ko
+ rtc_update_irq
+ rtc_valid_tm
+
+# required by s3c2410_wdt.ko
+ watchdog_init_timeout
+ watchdog_register_device
+ watchdog_set_restart_priority
+ watchdog_unregister_device
+
+# required by sam-is.ko
+ get_task_pid
+ i2c_get_adapter
+ i2c_new_client_device
+ kobject_del
+ kstrtou16
+ kthread_flush_work
+ kthread_flush_worker
+ ktime_get_with_offset
+ phy_configure
+ pm_relax
+ pm_stay_awake
+ regulator_get_voltage
+ regulator_is_enabled
+ regulator_set_voltage
+ sched_set_fifo
+ tasklet_init
+ v4l2_device_register_subdev
+ v4l2_device_unregister_subdev
+ v4l2_subdev_call_wrappers
+
+# required by samsung-iommu-group.ko
+ iommu_group_alloc
+ iommu_group_set_name
+
+# required by samsung-secure-iova.ko
+ gen_pool_avail
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_first_fit_align
+ gen_pool_size
+
+# required by samsung-seqos.ko
+ alloc_etherdev_mqs
+ __bitmap_andnot
+ consume_skb
+ dev_close
+ device_get_phy_mode
+ device_set_wakeup_capable
+ device_set_wakeup_enable
+ __dev_kfree_skb_any
+ dev_open
+ dql_completed
+ dql_reset
+ eth_mac_addr
+ ethtool_op_get_link
+ ethtool_op_get_ts_info
+ eth_type_trans
+ free_netdev
+ in4_pton
+ in6_pton
+ jiffies_to_usecs
+ mdiobus_alloc_size
+ mdiobus_free
+ mdiobus_get_phy
+ __mdiobus_register
+ mdiobus_unregister
+ napi_complete_done
+ napi_disable
+ napi_gro_receive
+ __napi_schedule
+ __napi_schedule_irqoff
+ napi_schedule_prep
+ netdev_alert
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_update_features
+ netdev_warn
+ netif_carrier_off
+ netif_device_attach
+ netif_device_detach
+ netif_napi_add
+ __netif_napi_del
+ netif_schedule_queue
+ netif_set_real_num_rx_queues
+ netif_set_real_num_tx_queues
+ netif_tx_wake_queue
+ net_ratelimit
+ of_get_mac_address
+ of_mdiobus_register
+ of_phy_deregister_fixed_link
+ of_phy_is_fixed_link
+ of_phy_register_fixed_link
+ phy_attached_info
+ phy_disconnect
+ phy_ethtool_get_eee
+ phy_ethtool_ksettings_get
+ phy_ethtool_ksettings_set
+ phy_ethtool_nway_reset
+ phy_ethtool_set_eee
+ phy_get_eee_err
+ phy_init_eee
+ phylink_connect_phy
+ phylink_create
+ phylink_destroy
+ phylink_of_phy_connect
+ phylink_set_port_modes
+ phylink_start
+ phy_mac_interrupt
+ phy_mii_ioctl
+ phy_resume
+ phy_start_aneg
+ phy_stop
+ phy_suspend
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ platform_get_irq_byname
+ _raw_spin_lock_bh
+ _raw_spin_unlock_bh
+ register_netdev
+ rtnl_lock
+ rtnl_unlock
+ skb_pull
+ skb_put
+ skb_tstamp_tx
+ synchronize_net
+ unregister_netdev
+
+# required by samsung_dma_heap.ko
+ anon_inode_getfile
+ deferred_free
+ devm_add_action
+ devm_gen_pool_create
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_heap_add
+ dma_heap_get_dev
+ dma_heap_get_name
+ is_dma_buf_file
+ iterate_fd
+ mutex_trylock
+ of_reserved_mem_device_release
+ __traceiter_android_vh_show_mem
+ __tracepoint_android_vh_show_mem
+ vm_insert_page
+
+# required by samsung_iommu.ko
+ bus_set_iommu
+ device_link_add
+ device_link_del
+ iommu_attach_group
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unlink
+ iommu_device_unregister
+ iommu_domain_alloc
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_group_for_each_dev
+ iommu_group_get
+ iommu_group_get_iommudata
+ iommu_group_remove_device
+ iommu_group_set_iommudata
+ iommu_put_dma_cookie
+ iommu_report_device_fault
+ of_get_dma_window
+ pfn_valid
+
+# required by scaler.ko
+ clk_set_parent
+ dma_heap_buffer_free
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_handler_setup
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_m2m_buf_queue
+ v4l2_m2m_buf_remove
+ v4l2_m2m_ctx_init
+ v4l2_m2m_ctx_release
+ v4l2_m2m_dqbuf
+ v4l2_m2m_get_curr_priv
+ v4l2_m2m_get_vq
+ v4l2_m2m_init
+ v4l2_m2m_job_finish
+ v4l2_m2m_mmap
+ v4l2_m2m_next_buf
+ v4l2_m2m_poll
+ v4l2_m2m_qbuf
+ v4l2_m2m_querybuf
+ v4l2_m2m_release
+ v4l2_m2m_reqbufs
+ v4l2_m2m_streamoff
+ v4l2_m2m_streamon
+ v4l2_m2m_try_schedule
+ v4l_bound_align_image
+
+# required by snd-soc-s3c-dma.ko
+ devm_snd_dmaengine_pcm_register
+ snd_dmaengine_pcm_prepare_slave_config
+
+# required by snd-soc-samsung-abox-core.ko
+ devm_iounmap
+ __devm_regmap_init
+ __devm_regmap_init_mmio_clk
+ dma_mmap_attrs
+ __platform_register_drivers
+ platform_unregister_drivers
+ pm_runtime_no_callbacks
+ snd_pcm_hw_constraint_integer
+ snd_pcm_lib_free_pages
+ snd_pcm_lib_ioctl
+ snd_pcm_lib_malloc_pages
+ snd_pcm_lib_preallocate_free_for_all
+ snd_pcm_lib_preallocate_pages
+ snd_pcm_period_elapsed
+ snd_pcm_release_substream
+ snd_soc_component_init_regmap
+ snd_soc_component_read
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_new_control
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_put_enum_double
+ snd_soc_info_enum_double
+ snd_soc_set_runtime_hwparams
+ snd_soc_unregister_component
+
+# required by snd-soc-tas6424.ko
+ regcache_cache_only
+ snd_soc_get_volsw
+ snd_soc_put_volsw
+
+# required by spi-exynosauto.ko
+ __spi_alloc_controller
+ spi_controller_resume
+ spi_controller_suspend
+ spi_delay_exec
+ spi_finalize_current_message
+ spi_register_controller
+ spi_unregister_controller
+
+# required by spidev.ko
+ driver_unregister
+ find_next_zero_bit
+ __spi_register_driver
+ spi_setup
+ spi_sync
+ stream_open
+
+# required by syscon-reboot-mode.ko
+ syscon_node_to_regmap
+
+# required by ufs-exynosauto-core.ko
+ blk_ksm_init_passthrough
+ device_get_match_data
+ __traceiter_android_vh_ufs_fill_prdt
+ __tracepoint_android_vh_ufs_fill_prdt
+ ufshcd_config_pwr_mode
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_link_recovery
+ ufshcd_pltfrm_init
+ ufshcd_remove
+ ufshcd_shutdown
+ ufshcd_system_resume
+ ufshcd_system_suspend
+
+# required by vbufq-be-module.ko
+ drain_workqueue
+
+# required by vdriver-lib-module.ko
+ kset_create_and_add
+
+# required by vevdev-fe-module.ko
+ input_alloc_absinfo
+ input_allocate_device
+ input_event
+ input_free_device
+ input_mt_init_slots
+ input_register_device
+ input_unregister_device
+
+# required by videobuf2-dma-sg.ko
+ vb2_common_vm_ops
+ vb2_create_framevec
+ vb2_destroy_framevec
+ vm_map_pages
+ vm_map_ram
+ vm_unmap_ram
+
+# required by vlx-clk-ctrl-common-module.ko
+ vscnprintf
+
+# required by vlx-hyp-module.ko
+ ioremap_cache
+ irq_create_of_mapping
+ irq_dispose_mapping
+ irq_find_matching_fwspec
+ of_irq_find_parent
+ proc_mkdir
+
+# required by vlx-last-kmsg-module.ko
+ proc_set_size
+
+# required by vlx-prop-module.ko
+ kobject_uevent
+ sysfs_create_bin_file
+ sysfs_remove_bin_file
+
+# required by vlx-vdmaheap-module.ko
+ devm_get_free_pages
+ idr_alloc_cyclic
+ idr_find
+ radix_tree_iter_delete
+ uuid_gen
+ __vmalloc
+
+# required by vlx-vipc-module.ko
+ sigprocmask
+
+# required by vlx-vmq-module.ko
+ default_wake_function
+ remove_wait_queue
+
+# required by vrpc-module.ko
+ current_work
+
+# required by vvideo2-fe-module.ko
+ __task_pid_nr_ns
+ vprintk
+
+# preserved by --additions-only
+ system_highpri_wq
diff --git a/android/abi_gki_aarch64_fips140 b/android/abi_gki_aarch64_fips140
new file mode 100644
index 0000000..faea593
--- /dev/null
+++ b/android/abi_gki_aarch64_fips140
@@ -0,0 +1,178 @@
+[abi_symbol_list]
+# commonly used symbols
+ module_layout
+ __put_task_struct
+
+# required by fips140.ko
+ add_random_ready_callback
+ aead_register_instance
+ ahash_register_instance
+ arch_timer_read_counter
+ bcmp
+ cancel_work_sync
+ __cfi_slowpath
+ complete_all
+ completion_done
+ cpu_have_feature
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_ahash_finup
+ crypto_ahash_setkey
+ crypto_alg_list
+ crypto_alg_sem
+ crypto_alloc_aead
+ crypto_alloc_base
+ crypto_alloc_rng
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ crypto_attr_alg_name
+ crypto_check_attr_type
+ crypto_cipher_encrypt_one
+ crypto_cipher_setkey
+ crypto_destroy_tfm
+ crypto_drop_spawn
+ crypto_get_default_null_skcipher
+ crypto_grab_aead
+ crypto_grab_ahash
+ crypto_grab_shash
+ crypto_grab_skcipher
+ crypto_grab_spawn
+ crypto_inst_setname
+ crypto_put_default_null_skcipher
+ crypto_register_aead
+ crypto_register_aeads
+ crypto_register_ahash
+ crypto_register_ahashes
+ crypto_register_alg
+ crypto_register_algs
+ crypto_register_rng
+ crypto_register_rngs
+ crypto_register_shash
+ crypto_register_shashes
+ crypto_register_skcipher
+ crypto_register_skciphers
+ crypto_register_template
+ crypto_register_templates
+ crypto_remove_spawns
+ crypto_req_done
+ crypto_rng_reset
+ crypto_shash_alg_has_setkey
+ crypto_shash_digest
+ crypto_shash_final
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_tfm_digest
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ crypto_spawn_tfm2
+ crypto_spawn_tfm
+ crypto_unregister_aead
+ crypto_unregister_alg
+ crypto_unregister_rng
+ crypto_unregister_rngs
+ crypto_unregister_shash
+ crypto_unregister_shashes
+ crypto_unregister_skciphers
+ crypto_unregister_template
+ crypto_unregister_templates
+ del_random_ready_callback
+ down_write
+ fpsimd_context_busy
+ get_random_bytes
+ __init_swait_queue_head
+ irq_stat
+ kasan_flag_enabled
+ kernel_neon_begin
+ kernel_neon_end
+ kfree
+ kfree_sensitive
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc_trace
+ kmemdup
+ ktime_get
+ __list_add_valid
+ __list_del_entry_valid
+ memcpy
+ memset
+ __mutex_init
+ mutex_lock
+ mutex_unlock
+ panic
+ preempt_schedule
+ preempt_schedule_notrace
+ printk
+ queue_work_on
+ ___ratelimit
+ _raw_spin_lock
+ _raw_spin_unlock
+ refcount_warn_saturate
+ scatterwalk_ffwd
+ scatterwalk_map_and_copy
+ sg_init_one
+ sg_init_table
+ sg_next
+ shash_free_singlespawn_instance
+ shash_register_instance
+ skcipher_alloc_instance_simple
+ skcipher_register_instance
+ skcipher_walk_aead_decrypt
+ skcipher_walk_aead_encrypt
+ skcipher_walk_done
+ skcipher_walk_virt
+ snprintf
+ __stack_chk_fail
+ __stack_chk_guard
+ strcmp
+ strlcat
+ strlcpy
+ strlen
+ strncmp
+ system_wq
+ __traceiter_android_vh_aes_decrypt
+ __traceiter_android_vh_aes_encrypt
+ __traceiter_android_vh_aes_expandkey
+ __traceiter_android_vh_sha256
+ __tracepoint_android_vh_aes_decrypt
+ __tracepoint_android_vh_aes_encrypt
+ __tracepoint_android_vh_aes_expandkey
+ __tracepoint_android_vh_sha256
+ tracepoint_probe_register
+ up_write
+ wait_for_completion
+ xa_load
+ xa_store
+
+# preserved by --additions-only
+ aes_decrypt
+ aes_encrypt
+ aes_expandkey
+ arm64_const_caps_ready
+ ce_aes_expandkey
+ cpu_hwcap_keys
+ crypto_aes_inv_sbox
+ crypto_aes_sbox
+ crypto_aes_set_key
+ crypto_alg_mod_lookup
+ crypto_cipher_decrypt_one
+ crypto_ft_tab
+ crypto_inc
+ crypto_it_tab
+ __crypto_memneq
+ crypto_remove_final
+ crypto_sha1_finup
+ crypto_sha1_update
+ __crypto_xor
+ gf128mul_lle
+ sha1_transform
+ sha224_final
+ sha256
+ sha256_block_data_order
+ sha256_final
+ sha256_update
+ synchronize_rcu_tasks
diff --git a/android/abi_gki_aarch64_galaxy b/android/abi_gki_aarch64_galaxy
new file mode 100644
index 0000000..343a405
--- /dev/null
+++ b/android/abi_gki_aarch64_galaxy
@@ -0,0 +1,4617 @@
+[abi_symbol_list]
+ PDE_DATA
+ __ClearPageMovable
+ __SetPageMovable
+ ___pskb_trim
+ ___ratelimit
+ __alloc_disk_node
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_percpu_gfp
+ __alloc_skb
+ __arch_clear_user
+ __arch_copy_from_user
+ __arch_copy_in_user
+ __arch_copy_to_user
+ __arm_smccc_hvc
+ __arm_smccc_smc
+ __bitmap_andnot
+ __bitmap_clear
+ __bitmap_complement
+ __bitmap_or
+ __bitmap_set
+ __bitmap_weight
+ __bitmap_xor
+ __blk_mq_debugfs_rq_show
+ __blk_mq_end_request
+ __blk_rq_map_sg
+ __blkdev_issue_discard
+ __blkdev_issue_zeroout
+ __cfi_slowpath
+ __check_object_size
+ __class_create
+ __class_register
+ __clk_determine_rate
+ __clk_get_hw
+ __clk_get_name
+ __clk_hw_register_divider
+ __clk_hw_register_gate
+ __clk_hw_register_mux
+ __clk_is_enabled
+ __clk_mux_determine_rate_closest
+ __clocksource_register_scale
+ __close_fd
+ __const_udelay
+ __cpu_active_mask
+ __cpu_online_mask
+ __cpu_possible_mask
+ __cpu_present_mask
+ __cpufreq_driver_target
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_setup_state_cpuslocked
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ __dev_get_by_index
+ __dev_kfree_skb_any
+ __devm_alloc_percpu
+ __devm_drm_dev_alloc
+ __devm_iio_device_register
+ __devm_irq_alloc_descs
+ __devm_of_phy_provider_register
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ __devm_regmap_init_spi
+ __devm_release_region
+ __devm_request_region
+ __devm_reset_control_get
+ __devm_spi_alloc_controller
+ __dma_request_channel
+ __do_once_done
+ __do_once_start
+ __drm_atomic_helper_connector_destroy_state
+ __drm_atomic_helper_connector_duplicate_state
+ __drm_atomic_helper_connector_reset
+ __drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ __drm_atomic_helper_crtc_reset
+ __drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ __drm_atomic_helper_private_obj_duplicate_state
+ __drm_atomic_state_free
+ __drm_dbg
+ __drm_debug
+ __drm_err
+ __drm_printfn_coredump
+ __drm_printfn_info
+ __drm_printfn_seq_file
+ __drm_puts_coredump
+ __drm_puts_seq_file
+ __dynamic_dev_dbg
+ __dynamic_pr_debug
+ __ethtool_get_link_ksettings
+ __fdget
+ __flush_icache_range
+ __free_pages
+ __genphy_config_aneg
+ __get_free_pages
+ __get_task_comm
+ __hid_register_driver
+ __hid_request
+ __hrtimer_get_remaining
+ __hvc_resize
+ __hwspin_lock_timeout
+ __hwspin_unlock
+ __i2c_smbus_xfer
+ __i2c_transfer
+ __iio_device_register
+ __init_rwsem
+ __init_swait_queue_head
+ __init_waitqueue_head
+ __ioread32_copy
+ __ioremap
+ __iowrite32_copy
+ __ipv6_addr_type
+ __irq_alloc_descs
+ __irq_domain_add
+ __irq_set_handler
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_init
+ __kfifo_out
+ __kfifo_out_peek
+ __kfifo_to_user
+ __kfree_skb
+ __kmalloc
+ __kthread_init_worker
+ __list_add_valid
+ __list_del_entry_valid
+ __local_bh_enable_ip
+ __lock_page
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ __mdiobus_register
+ __media_device_register
+ __memcat_p
+ __memcpy_fromio
+ __memcpy_toio
+ __memset_io
+ __mmc_claim_host
+ __mmc_send_status
+ __mmdrop
+ __module_get
+ __msecs_to_jiffies
+ __mutex_init
+ __napi_alloc_skb
+ __napi_schedule
+ __ndelay
+ __netdev_alloc_skb
+ __netif_napi_del
+ __netif_set_xps_queue
+ __netlink_kernel_create
+ __next_zones_zonelist
+ __nla_parse
+ __nla_validate
+ __nlmsg_put
+ __num_online_cpus
+ __of_reset_control_get
+ __pci_register_driver
+ __per_cpu_offset
+ __percpu_down_read
+ __percpu_init_rwsem
+ __platform_driver_probe
+ __platform_driver_register
+ __platform_register_drivers
+ __pm_relax
+ __pm_runtime_disable
+ __pm_runtime_idle
+ __pm_runtime_resume
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ __printk_ratelimit
+ __pskb_pull_tail
+ __put_page
+ __put_task_struct
+ __rb_erase_color
+ __rb_insert_augmented
+ __rcu_read_lock
+ __rcu_read_unlock
+ __refrigerator
+ __register_chrdev
+ __register_rpmsg_driver
+ __regmap_init
+ __release_region
+ __request_module
+ __request_percpu_irq
+ __request_region
+ __rht_bucket_nested
+ __rtc_register_device
+ __scsi_execute
+ __scsi_iterate_devices
+ __scsi_print_sense
+ __sdhci_add_host
+ __seq_open_private
+ __serio_register_driver
+ __serio_register_port
+ __sg_page_iter_dma_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ __skb_ext_put
+ __skb_flow_dissect
+ __skb_get_hash
+ __skb_gso_segment
+ __skb_pad
+ __spi_alloc_controller
+ __spi_register_driver
+ __splice_from_pipe
+ __spmi_driver_register
+ __srcu_read_lock
+ __srcu_read_unlock
+ __stack_chk_fail
+ __stack_chk_guard
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ __sysfs_match_string
+ __task_pid_nr_ns
+ __task_rq_lock
+ __tasklet_hi_schedule
+ __tasklet_schedule
+ __trace_bprintk
+ __trace_bputs
+ __trace_printk
+ __traceiter_android_rvh_account_irq
+ __traceiter_android_rvh_build_perf_domains
+ __traceiter_android_rvh_can_migrate_task
+ __traceiter_android_rvh_check_preempt_wakeup
+ __traceiter_android_rvh_cpu_cgroup_attach
+ __traceiter_android_rvh_cpu_cgroup_can_attach
+ __traceiter_android_rvh_cpu_cgroup_online
+ __traceiter_android_rvh_cpu_overutilized
+ __traceiter_android_rvh_cpufreq_transition
+ __traceiter_android_rvh_dequeue_task
+ __traceiter_android_rvh_die_kernel_fault
+ __traceiter_android_rvh_do_mem_abort
+ __traceiter_android_rvh_do_sp_pc_abort
+ __traceiter_android_rvh_enqueue_task
+ __traceiter_android_rvh_find_busiest_queue
+ __traceiter_android_rvh_find_energy_efficient_cpu
+ __traceiter_android_rvh_find_lowest_rq
+ __traceiter_android_rvh_flush_task
+ __traceiter_android_rvh_irqs_disable
+ __traceiter_android_rvh_irqs_enable
+ __traceiter_android_rvh_migrate_queued_task
+ __traceiter_android_rvh_new_task_stats
+ __traceiter_android_rvh_pick_next_entity
+ __traceiter_android_rvh_place_entity
+ __traceiter_android_rvh_preempt_disable
+ __traceiter_android_rvh_preempt_enable
+ __traceiter_android_rvh_replace_next_task_fair
+ __traceiter_android_rvh_report_bug
+ __traceiter_android_rvh_resume_cpus
+ __traceiter_android_rvh_sched_balance_rt
+ __traceiter_android_rvh_sched_cpu_dying
+ __traceiter_android_rvh_sched_cpu_starting
+ __traceiter_android_rvh_sched_exec
+ __traceiter_android_rvh_sched_fork
+ __traceiter_android_rvh_sched_fork_init
+ __traceiter_android_rvh_sched_newidle_balance
+ __traceiter_android_rvh_sched_nohz_balancer_kick
+ __traceiter_android_rvh_sched_rebalance_domains
+ __traceiter_android_rvh_schedule
+ __traceiter_android_rvh_schedule_bug
+ __traceiter_android_rvh_select_fallback_rq
+ __traceiter_android_rvh_select_task_rq_fair
+ __traceiter_android_rvh_select_task_rq_rt
+ __traceiter_android_rvh_set_gfp_zone_flags
+ __traceiter_android_rvh_set_iowait
+ __traceiter_android_rvh_set_readahead_gfp_mask
+ __traceiter_android_rvh_set_skip_swapcache_flags
+ __traceiter_android_rvh_set_task_cpu
+ __traceiter_android_rvh_tick_entry
+ __traceiter_android_rvh_try_to_wake_up
+ __traceiter_android_rvh_try_to_wake_up_success
+ __traceiter_android_rvh_ttwu_cond
+ __traceiter_android_rvh_typec_tcpci_chk_contaminant
+ __traceiter_android_rvh_typec_tcpci_get_vbus
+ __traceiter_android_rvh_uclamp_eff_get
+ __traceiter_android_rvh_update_cpu_capacity
+ __traceiter_android_rvh_update_cpus_allowed
+ __traceiter_android_rvh_update_misfit_status
+ __traceiter_android_rvh_util_est_update
+ __traceiter_android_rvh_wake_up_new_task
+ __traceiter_android_vh_allow_domain_state
+ __traceiter_android_vh_arch_set_freq_scale
+ __traceiter_android_vh_binder_restore_priority
+ __traceiter_android_vh_binder_set_priority
+ __traceiter_android_vh_binder_transaction_init
+ __traceiter_android_vh_binder_wakeup_ilocked
+ __traceiter_android_vh_cma_alloc_finish
+ __traceiter_android_vh_cma_alloc_start
+ __traceiter_android_vh_cpu_idle_enter
+ __traceiter_android_vh_cpu_idle_exit
+ __traceiter_android_vh_dump_throttled_rt_tasks
+ __traceiter_android_vh_enable_thermal_genl_check
+ __traceiter_android_vh_ep_create_wakeup_source
+ __traceiter_android_vh_freq_table_limits
+ __traceiter_android_vh_ftrace_dump_buffer
+ __traceiter_android_vh_ftrace_format_check
+ __traceiter_android_vh_ftrace_oops_enter
+ __traceiter_android_vh_ftrace_oops_exit
+ __traceiter_android_vh_ftrace_size_check
+ __traceiter_android_vh_iommu_setup_dma_ops
+ __traceiter_android_vh_ipi_stop
+ __traceiter_android_vh_is_fpsimd_save
+ __traceiter_android_vh_jiffies_update
+ __traceiter_android_vh_kfree_skb
+ __traceiter_android_vh_logbuf
+ __traceiter_android_vh_logbuf_pr_cont
+ __traceiter_android_vh_meminfo_proc_show
+ __traceiter_android_vh_pagecache_get_page
+ __traceiter_android_vh_printk_hotplug
+ __traceiter_android_vh_ptype_head
+ __traceiter_android_vh_rmqueue
+ __traceiter_android_vh_scheduler_tick
+ __traceiter_android_vh_show_max_freq
+ __traceiter_android_vh_show_mem
+ __traceiter_android_vh_show_resume_epoch_val
+ __traceiter_android_vh_show_suspend_epoch_val
+ __traceiter_android_vh_timer_calc_index
+ __traceiter_android_vh_timerfd_create
+ __traceiter_android_vh_typec_store_partner_src_caps
+ __traceiter_android_vh_typec_tcpci_override_toggling
+ __traceiter_android_vh_typec_tcpm_adj_current_limit
+ __traceiter_android_vh_typec_tcpm_get_timer
+ __traceiter_android_vh_ufs_check_int_errors
+ __traceiter_android_vh_ufs_compl_command
+ __traceiter_android_vh_ufs_fill_prdt
+ __traceiter_android_vh_ufs_prepare_command
+ __traceiter_android_vh_ufs_send_command
+ __traceiter_android_vh_ufs_send_tm_command
+ __traceiter_android_vh_ufs_send_uic_command
+ __traceiter_android_vh_ufs_update_sdev
+ __traceiter_android_vh_ufs_update_sysfs
+ __traceiter_clock_set_rate
+ __traceiter_cpu_frequency
+ __traceiter_dma_fence_emit
+ __traceiter_dwc3_readl
+ __traceiter_dwc3_writel
+ __traceiter_gpu_mem_total
+ __traceiter_sched_util_est_se_tp
+ __traceiter_xdp_exception
+ __tracepoint_android_rvh_account_irq
+ __tracepoint_android_rvh_arm64_serror_panic
+ __tracepoint_android_rvh_bad_mode
+ __tracepoint_android_rvh_build_perf_domains
+ __tracepoint_android_rvh_can_migrate_task
+ __tracepoint_android_rvh_check_preempt_wakeup
+ __tracepoint_android_rvh_cpu_cgroup_attach
+ __tracepoint_android_rvh_cpu_cgroup_can_attach
+ __tracepoint_android_rvh_cpu_cgroup_online
+ __tracepoint_android_rvh_cpu_overutilized
+ __tracepoint_android_rvh_cpufreq_transition
+ __tracepoint_android_rvh_dequeue_task
+ __tracepoint_android_rvh_dequeue_task_idle
+ __tracepoint_android_rvh_die_kernel_fault
+ __tracepoint_android_rvh_do_mem_abort
+ __tracepoint_android_rvh_do_sea
+ __tracepoint_android_rvh_do_sp_pc_abort
+ __tracepoint_android_rvh_do_undefinstr
+ __tracepoint_android_rvh_enqueue_task
+ __tracepoint_android_rvh_find_busiest_queue
+ __tracepoint_android_rvh_find_energy_efficient_cpu
+ __tracepoint_android_rvh_find_lowest_rq
+ __tracepoint_android_rvh_flush_task
+ __tracepoint_android_rvh_irqs_disable
+ __tracepoint_android_rvh_irqs_enable
+ __tracepoint_android_rvh_migrate_queued_task
+ __tracepoint_android_rvh_new_task_stats
+ __tracepoint_android_rvh_pick_next_entity
+ __tracepoint_android_rvh_place_entity
+ __tracepoint_android_rvh_preempt_disable
+ __tracepoint_android_rvh_preempt_enable
+ __tracepoint_android_rvh_replace_next_task_fair
+ __tracepoint_android_rvh_report_bug
+ __tracepoint_android_rvh_resume_cpus
+ __tracepoint_android_rvh_sched_balance_rt
+ __tracepoint_android_rvh_sched_cpu_dying
+ __tracepoint_android_rvh_sched_cpu_starting
+ __tracepoint_android_rvh_sched_exec
+ __tracepoint_android_rvh_sched_fork
+ __tracepoint_android_rvh_sched_fork_init
+ __tracepoint_android_rvh_sched_newidle_balance
+ __tracepoint_android_rvh_sched_nohz_balancer_kick
+ __tracepoint_android_rvh_sched_rebalance_domains
+ __tracepoint_android_rvh_schedule
+ __tracepoint_android_rvh_schedule_bug
+ __tracepoint_android_rvh_select_fallback_rq
+ __tracepoint_android_rvh_select_task_rq_fair
+ __tracepoint_android_rvh_select_task_rq_rt
+ __tracepoint_android_rvh_set_gfp_zone_flags
+ __tracepoint_android_rvh_set_iowait
+ __tracepoint_android_rvh_set_readahead_gfp_mask
+ __tracepoint_android_rvh_set_skip_swapcache_flags
+ __tracepoint_android_rvh_set_task_cpu
+ __tracepoint_android_rvh_tick_entry
+ __tracepoint_android_rvh_try_to_wake_up
+ __tracepoint_android_rvh_try_to_wake_up_success
+ __tracepoint_android_rvh_ttwu_cond
+ __tracepoint_android_rvh_typec_tcpci_chk_contaminant
+ __tracepoint_android_rvh_typec_tcpci_get_vbus
+ __tracepoint_android_rvh_uclamp_eff_get
+ __tracepoint_android_rvh_update_cpu_capacity
+ __tracepoint_android_rvh_update_cpus_allowed
+ __tracepoint_android_rvh_update_misfit_status
+ __tracepoint_android_rvh_util_est_update
+ __tracepoint_android_rvh_wake_up_new_task
+ __tracepoint_android_vh_allow_domain_state
+ __tracepoint_android_vh_arch_set_freq_scale
+ __tracepoint_android_vh_binder_restore_priority
+ __tracepoint_android_vh_binder_set_priority
+ __tracepoint_android_vh_binder_transaction_init
+ __tracepoint_android_vh_binder_wakeup_ilocked
+ __tracepoint_android_vh_cgroup_attach
+ __tracepoint_android_vh_cma_alloc_finish
+ __tracepoint_android_vh_cma_alloc_start
+ __tracepoint_android_vh_cpu_idle_enter
+ __tracepoint_android_vh_cpu_idle_exit
+ __tracepoint_android_vh_dump_throttled_rt_tasks
+ __tracepoint_android_vh_enable_thermal_genl_check
+ __tracepoint_android_vh_ep_create_wakeup_source
+ __tracepoint_android_vh_freq_table_limits
+ __tracepoint_android_vh_ftrace_dump_buffer
+ __tracepoint_android_vh_ftrace_format_check
+ __tracepoint_android_vh_ftrace_oops_enter
+ __tracepoint_android_vh_ftrace_oops_exit
+ __tracepoint_android_vh_ftrace_size_check
+ __tracepoint_android_vh_iommu_setup_dma_ops
+ __tracepoint_android_vh_ipi_stop
+ __tracepoint_android_vh_is_fpsimd_save
+ __tracepoint_android_vh_jiffies_update
+ __tracepoint_android_vh_kfree_skb
+ __tracepoint_android_vh_logbuf
+ __tracepoint_android_vh_logbuf_pr_cont
+ __tracepoint_android_vh_meminfo_proc_show
+ __tracepoint_android_vh_mutex_wait_finish
+ __tracepoint_android_vh_mutex_wait_start
+ __tracepoint_android_vh_pagecache_get_page
+ __tracepoint_android_vh_printk_hotplug
+ __tracepoint_android_vh_ptype_head
+ __tracepoint_android_vh_rmqueue
+ __tracepoint_android_vh_rtmutex_wait_finish
+ __tracepoint_android_vh_rtmutex_wait_start
+ __tracepoint_android_vh_rwsem_read_wait_finish
+ __tracepoint_android_vh_rwsem_read_wait_start
+ __tracepoint_android_vh_rwsem_write_wait_finish
+ __tracepoint_android_vh_rwsem_write_wait_start
+ __tracepoint_android_vh_sched_show_task
+ __tracepoint_android_vh_scheduler_tick
+ __tracepoint_android_vh_show_max_freq
+ __tracepoint_android_vh_show_mem
+ __tracepoint_android_vh_show_resume_epoch_val
+ __tracepoint_android_vh_show_suspend_epoch_val
+ __tracepoint_android_vh_timer_calc_index
+ __tracepoint_android_vh_timerfd_create
+ __tracepoint_android_vh_try_to_freeze_todo
+ __tracepoint_android_vh_try_to_freeze_todo_unfrozen
+ __tracepoint_android_vh_typec_store_partner_src_caps
+ __tracepoint_android_vh_typec_tcpci_override_toggling
+ __tracepoint_android_vh_typec_tcpm_adj_current_limit
+ __tracepoint_android_vh_typec_tcpm_get_timer
+ __tracepoint_android_vh_ufs_check_int_errors
+ __tracepoint_android_vh_ufs_compl_command
+ __tracepoint_android_vh_ufs_fill_prdt
+ __tracepoint_android_vh_ufs_prepare_command
+ __tracepoint_android_vh_ufs_send_command
+ __tracepoint_android_vh_ufs_send_tm_command
+ __tracepoint_android_vh_ufs_send_uic_command
+ __tracepoint_android_vh_ufs_update_sdev
+ __tracepoint_android_vh_ufs_update_sysfs
+ __tracepoint_android_vh_watchdog_timer_softlockup
+ __tracepoint_android_vh_wq_lockup_pool
+ __tracepoint_binder_transaction_received
+ __tracepoint_clock_set_rate
+ __tracepoint_cpu_frequency
+ __tracepoint_cpu_frequency_limits
+ __tracepoint_cpu_idle
+ __tracepoint_device_pm_callback_end
+ __tracepoint_device_pm_callback_start
+ __tracepoint_dma_fence_emit
+ __tracepoint_dwc3_ep_queue
+ __tracepoint_dwc3_readl
+ __tracepoint_dwc3_writel
+ __tracepoint_gpu_mem_total
+ __tracepoint_hrtimer_expire_entry
+ __tracepoint_hrtimer_expire_exit
+ __tracepoint_ipi_entry
+ __tracepoint_ipi_exit
+ __tracepoint_ipi_raise
+ __tracepoint_irq_handler_entry
+ __tracepoint_irq_handler_exit
+ __tracepoint_pelt_cfs_tp
+ __tracepoint_pelt_dl_tp
+ __tracepoint_pelt_irq_tp
+ __tracepoint_pelt_rt_tp
+ __tracepoint_pelt_se_tp
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __tracepoint_sched_cpu_capacity_tp
+ __tracepoint_sched_overutilized_tp
+ __tracepoint_sched_switch
+ __tracepoint_sched_util_est_cfs_tp
+ __tracepoint_sched_util_est_se_tp
+ __tracepoint_suspend_resume
+ __tracepoint_workqueue_execute_end
+ __tracepoint_workqueue_execute_start
+ __tracepoint_xdp_exception
+ __tty_alloc_driver
+ __tty_insert_flip_char
+ __udelay
+ __uio_register_device
+ __unregister_chrdev
+ __update_load_avg_blocked_se
+ __usb_create_hcd
+ __usb_get_extra_descriptor
+ __usecs_to_jiffies
+ __v4l2_device_register_subdev_nodes
+ __video_register_device
+ __wait_rcu_gp
+ __wake_up
+ __wake_up_locked
+ __wake_up_locked_key
+ __wake_up_sync
+ __warn_printk
+ __xa_alloc
+ __xa_insert
+ __xfrm_state_destroy
+ _atomic_dec_and_lock
+ _copy_from_iter
+ _copy_from_iter_full
+ _copy_to_iter
+ _ctype
+ _dev_alert
+ _dev_crit
+ _dev_emerg
+ _dev_err
+ _dev_info
+ _dev_notice
+ _dev_warn
+ _raw_read_lock
+ _raw_read_lock_bh
+ _raw_read_lock_irq
+ _raw_read_lock_irqsave
+ _raw_read_unlock
+ _raw_read_unlock_bh
+ _raw_read_unlock_irq
+ _raw_read_unlock_irqrestore
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_trylock_bh
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ _raw_write_lock
+ _raw_write_lock_bh
+ _raw_write_lock_irq
+ _raw_write_lock_irqsave
+ _raw_write_unlock
+ _raw_write_unlock_bh
+ _raw_write_unlock_irq
+ _raw_write_unlock_irqrestore
+ _snd_ctl_add_follower
+ _snd_pcm_stream_lock_irqsave
+ _totalram_pages
+ access_process_vm
+ ack_all_badblocks
+ activate_task
+ add_cpu
+ add_device_randomness
+ add_memory
+ add_memory_subsection
+ add_taint
+ add_timer
+ add_timer_on
+ add_uevent_var
+ add_wait_queue
+ adjust_managed_page_count
+ alarm_cancel
+ alarm_init
+ alarm_start
+ alarm_start_relative
+ alarm_try_to_cancel
+ alarmtimer_get_rtcdev
+ all_vm_events
+ alloc_anon_inode
+ alloc_chrdev_region
+ alloc_etherdev_mqs
+ alloc_io_pgtable_ops
+ alloc_netdev_mqs
+ alloc_page_buffers
+ alloc_pages_exact
+ alloc_skb_with_frags
+ alloc_workqueue
+ amba_bustype
+ amba_driver_register
+ amba_driver_unregister
+ amba_release_regions
+ amba_request_regions
+ android_debug_per_cpu_symbol
+ android_debug_symbol
+ android_rvh_probe_register
+ anon_inode_getfd
+ anon_inode_getfile
+ arch_timer_read_counter
+ argv_free
+ argv_split
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ async_schedule_node
+ async_schedule_node_domain
+ async_synchronize_full_domain
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ autoremove_wake_function
+ available_idle_cpu
+ backlight_device_get_by_type
+ backlight_device_register
+ backlight_device_set_brightness
+ backlight_device_unregister
+ badblocks_clear
+ badblocks_exit
+ badblocks_init
+ badblocks_set
+ badblocks_show
+ badblocks_store
+ balloon_aops
+ balloon_page_alloc
+ balloon_page_dequeue
+ balloon_page_enqueue
+ bcmp
+ bd_link_disk_holder
+ bd_set_nr_sectors
+ bd_unlink_disk_holder
+ bdev_check_media_change
+ bdev_read_only
+ bdevname
+ bdget_disk
+ bdput
+ bgpio_init
+ bin2hex
+ bio_add_page
+ bio_alloc_bioset
+ bio_associate_blkg
+ bio_chain
+ bio_clone_blkg_association
+ bio_endio
+ bio_init
+ bio_put
+ bioset_exit
+ bioset_init
+ bitmap_allocate_region
+ bitmap_find_next_zero_area_off
+ bitmap_from_arr32
+ bitmap_parse
+ bitmap_parselist
+ bitmap_parselist_user
+ bitmap_print_to_pagebuf
+ bitmap_release_region
+ bitmap_to_arr32
+ bitmap_zalloc
+ blk_alloc_queue
+ blk_cleanup_queue
+ blk_execute_rq
+ blk_execute_rq_nowait
+ blk_finish_plug
+ blk_freeze_queue_start
+ blk_get_queue
+ blk_get_request
+ blk_mq_alloc_request
+ blk_mq_alloc_request_hctx
+ blk_mq_alloc_tag_set
+ blk_mq_complete_request
+ blk_mq_complete_request_remote
+ blk_mq_debugfs_rq_show
+ blk_mq_delay_kick_requeue_list
+ blk_mq_end_request
+ blk_mq_free_request
+ blk_mq_free_tag_set
+ blk_mq_freeze_queue
+ blk_mq_freeze_queue_wait
+ blk_mq_freeze_queue_wait_timeout
+ blk_mq_init_queue
+ blk_mq_map_queues
+ blk_mq_pci_map_queues
+ blk_mq_quiesce_queue
+ blk_mq_requeue_request
+ blk_mq_rq_cpu
+ blk_mq_run_hw_queues
+ blk_mq_sched_request_inserted
+ blk_mq_sched_try_insert_merge
+ blk_mq_sched_try_merge
+ blk_mq_start_request
+ blk_mq_start_stopped_hw_queues
+ blk_mq_stop_hw_queue
+ blk_mq_tag_to_rq
+ blk_mq_tagset_busy_iter
+ blk_mq_tagset_wait_completed_request
+ blk_mq_unfreeze_queue
+ blk_mq_unique_tag
+ blk_mq_unquiesce_queue
+ blk_mq_update_nr_hw_queues
+ blk_mq_virtio_map_queues
+ blk_poll
+ blk_put_queue
+ blk_put_request
+ blk_queue_alignment_offset
+ blk_queue_bounce_limit
+ blk_queue_can_use_dma_map_merging
+ blk_queue_chunk_sectors
+ blk_queue_dma_alignment
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_flag_test_and_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_discard_segments
+ blk_queue_max_hw_sectors
+ blk_queue_max_segment_size
+ blk_queue_max_segments
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_queue_rq_timeout
+ blk_queue_split
+ blk_queue_virt_boundary
+ blk_queue_write_cache
+ blk_register_region
+ blk_rq_map_kern
+ blk_rq_map_user
+ blk_rq_map_user_iov
+ blk_rq_unmap_user
+ blk_set_queue_dying
+ blk_set_stacking_limits
+ blk_start_plug
+ blk_status_to_errno
+ blk_sync_queue
+ blk_unregister_region
+ blk_update_request
+ blk_verify_command
+ blkcg_activate_policy
+ blkcg_deactivate_policy
+ blkcg_policy_register
+ blkcg_policy_unregister
+ blkcg_root
+ blkdev_fsync
+ blkdev_get_by_dev
+ blkdev_get_by_path
+ blkdev_issue_flush
+ blkdev_put
+ blkg_lookup_slowpath
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bmap
+ bpf_dispatcher_xdp_func
+ bpf_prog_add
+ bpf_prog_put
+ bpf_prog_sub
+ bpf_stats_enabled_key
+ bpf_trace_run1
+ bpf_trace_run10
+ bpf_trace_run11
+ bpf_trace_run12
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bpf_trace_run7
+ bpf_trace_run8
+ bpf_trace_run9
+ bpf_warn_invalid_xdp_action
+ bsearch
+ bt_err
+ bt_info
+ build_skb
+ bus_find_device
+ bus_for_each_dev
+ bus_for_each_drv
+ bus_register
+ bus_register_notifier
+ bus_set_iommu
+ bus_unregister
+ bus_unregister_notifier
+ cache_line_size
+ call_netdevice_notifiers
+ call_rcu
+ call_rcu_tasks
+ call_rcu_tasks_trace
+ call_srcu
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdc_ncm_bind_common
+ cdc_ncm_change_mtu
+ cdc_ncm_fill_tx_frame
+ cdc_ncm_rx_verify_ndp16
+ cdc_ncm_rx_verify_nth16
+ cdc_ncm_select_altsetting
+ cdc_ncm_unbind
+ cdc_parse_cdc_header
+ cdev_add
+ cdev_alloc
+ cdev_del
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ cec_allocate_adapter
+ cec_delete_adapter
+ cec_received_msg_ts
+ cec_register_adapter
+ cec_s_log_addrs
+ cec_s_phys_addr
+ cec_s_phys_addr_from_edid
+ cec_transmit_attempt_done_ts
+ cec_transmit_done_ts
+ cec_unregister_adapter
+ cgroup_path_ns
+ cgroup_taskset_first
+ cgroup_taskset_next
+ check_preempt_curr
+ check_zeroed_user
+ class_create_file_ns
+ class_destroy
+ class_find_device
+ class_for_each_device
+ class_interface_unregister
+ class_remove_file_ns
+ class_unregister
+ cleancache_register_ops
+ cleanup_srcu_struct
+ clear_page
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_get_all
+ clk_bulk_prepare
+ clk_bulk_put_all
+ clk_bulk_unprepare
+ clk_disable
+ clk_enable
+ clk_fixed_factor_ops
+ clk_fixed_rate_ops
+ clk_get
+ clk_get_parent
+ clk_get_rate
+ clk_hw_get_flags
+ clk_hw_get_name
+ clk_hw_get_num_parents
+ clk_hw_get_parent
+ clk_hw_get_parent_by_index
+ clk_hw_get_rate
+ clk_hw_is_enabled
+ clk_hw_is_prepared
+ clk_hw_register
+ clk_hw_register_fixed_factor
+ clk_hw_round_rate
+ clk_hw_set_rate_range
+ clk_hw_unregister
+ clk_hw_unregister_divider
+ clk_hw_unregister_fixed_factor
+ clk_hw_unregister_gate
+ clk_hw_unregister_mux
+ clk_notifier_register
+ clk_notifier_unregister
+ clk_prepare
+ clk_put
+ clk_register
+ clk_register_clkdev
+ clk_register_fixed_factor
+ clk_register_fixed_rate
+ clk_register_gate
+ clk_round_rate
+ clk_set_parent
+ clk_set_rate
+ clk_sync_state
+ clk_unprepare
+ clk_unregister
+ clockevents_config_and_register
+ clocks_calc_mult_shift
+ cma_alloc
+ cma_for_each_area
+ cma_get_name
+ cma_release
+ compat_alloc_user_space
+ compat_only_sysfs_link_entry_to_kobj
+ compat_ptr_ioctl
+ complete
+ complete_all
+ complete_and_exit
+ completion_done
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_unbind_all
+ cond_synchronize_rcu
+ config_ep_by_speed
+ config_group_init
+ config_group_init_type_name
+ config_item_get
+ config_item_put
+ configfs_register_subsystem
+ configfs_unregister_subsystem
+ console_drivers
+ console_printk
+ console_stop
+ console_suspend_enabled
+ console_trylock
+ console_unlock
+ consume_skb
+ contig_page_data
+ copy_from_kernel_nofault
+ copy_page
+ cpu_all_bits
+ cpu_bit_bitmap
+ cpu_hotplug_disable
+ cpu_hotplug_enable
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpu_irqtime
+ cpu_is_hotpluggable
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ cpu_latency_qos_request_active
+ cpu_latency_qos_update_request
+ cpu_number
+ cpu_pm_register_notifier
+ cpu_pm_unregister_notifier
+ cpu_scale
+ cpu_subsys
+ cpu_topology
+ cpufreq_add_update_util_hook
+ cpufreq_cpu_get
+ cpufreq_cpu_get_raw
+ cpufreq_cpu_put
+ cpufreq_disable_fast_switch
+ cpufreq_driver_fast_switch
+ cpufreq_driver_resolve_freq
+ cpufreq_enable_boost_support
+ cpufreq_enable_fast_switch
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_freq_transition_begin
+ cpufreq_freq_transition_end
+ cpufreq_frequency_table_verify
+ cpufreq_generic_attr
+ cpufreq_generic_frequency_table_verify
+ cpufreq_generic_get
+ cpufreq_generic_suspend
+ cpufreq_get_driver_data
+ cpufreq_get_policy
+ cpufreq_policy_transition_delay_us
+ cpufreq_quick_get
+ cpufreq_quick_get_max
+ cpufreq_register_driver
+ cpufreq_register_governor
+ cpufreq_register_notifier
+ cpufreq_remove_update_util_hook
+ cpufreq_table_index_unsorted
+ cpufreq_this_cpu_can_update
+ cpufreq_unregister_driver
+ cpufreq_unregister_notifier
+ cpufreq_update_policy
+ cpuhp_tasks_frozen
+ cpuidle_governor_latency_req
+ cpuidle_register_governor
+ cpumask_any_but
+ cpumask_next
+ cpumask_next_and
+ cpumask_next_wrap
+ cpupri_find_fitness
+ cpus_read_lock
+ cpus_read_unlock
+ crc16
+ crc32_le
+ crc8
+ crc8_populate_msb
+ create_function_device
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_alloc_aead
+ crypto_alloc_base
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ crypto_cipher_encrypt_one
+ crypto_cipher_setkey
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_destroy_tfm
+ crypto_has_alg
+ crypto_register_alg
+ crypto_register_rngs
+ crypto_register_scomp
+ crypto_shash_digest
+ crypto_shash_final
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ crypto_unregister_alg
+ crypto_unregister_rngs
+ crypto_unregister_scomp
+ css_next_child
+ css_next_descendant_pre
+ csum_ipv6_magic
+ csum_partial
+ csum_tcpudp_nofold
+ current_time
+ current_work
+ d_add
+ d_alloc_name
+ d_delete
+ d_make_root
+ d_path
+ dapm_pinctrl_event
+ dapm_regulator_event
+ datagram_poll
+ deactivate_task
+ debugfs_attr_read
+ debugfs_attr_write
+ debugfs_create_atomic_t
+ debugfs_create_blob
+ debugfs_create_bool
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_file_unsafe
+ debugfs_create_regset32
+ debugfs_create_size_t
+ debugfs_create_symlink
+ debugfs_create_u16
+ debugfs_create_u32
+ debugfs_create_u64
+ debugfs_create_u8
+ debugfs_create_ulong
+ debugfs_create_x32
+ debugfs_create_x64
+ debugfs_create_x8
+ debugfs_file_get
+ debugfs_file_put
+ debugfs_lookup
+ debugfs_print_regs32
+ debugfs_remove
+ dec_zone_page_state
+ default_llseek
+ deferred_free
+ del_gendisk
+ del_timer
+ del_timer_sync
+ delayed_work_timer_fn
+ desc_to_gpio
+ destroy_workqueue
+ dev_alloc_name
+ dev_close
+ dev_coredumpm
+ dev_coredumpv
+ dev_driver_string
+ dev_err_probe
+ dev_fwnode
+ dev_get_by_index
+ dev_get_by_name
+ dev_get_regmap
+ dev_get_stats
+ dev_mc_sync_multiple
+ dev_mc_unsync
+ dev_open
+ dev_pm_clear_wake_irq
+ dev_pm_domain_attach
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_genpd_add_notifier
+ dev_pm_genpd_remove_notifier
+ dev_pm_genpd_set_next_wakeup
+ dev_pm_genpd_set_performance_state
+ dev_pm_opp_add
+ dev_pm_opp_adjust_voltage
+ dev_pm_opp_disable
+ dev_pm_opp_enable
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_ceil_by_volt
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_free_cpufreq_table
+ dev_pm_opp_get_freq
+ dev_pm_opp_get_level
+ dev_pm_opp_get_max_transition_latency
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_opp_table
+ dev_pm_opp_get_sharing_cpus
+ dev_pm_opp_get_suspend_opp_freq
+ dev_pm_opp_get_voltage
+ dev_pm_opp_init_cpufreq_table
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_cpumask_add_table
+ dev_pm_opp_of_cpumask_remove_table
+ dev_pm_opp_of_find_icc_paths
+ dev_pm_opp_of_get_sharing_cpus
+ dev_pm_opp_of_register_em
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_clkname
+ dev_pm_opp_put_opp_table
+ dev_pm_opp_put_regulators
+ dev_pm_opp_register_notifier
+ dev_pm_opp_remove_all_dynamic
+ dev_pm_opp_set_bw
+ dev_pm_opp_set_clkname
+ dev_pm_opp_set_rate
+ dev_pm_opp_set_regulators
+ dev_pm_opp_set_sharing_cpus
+ dev_pm_opp_set_supported_hw
+ dev_pm_opp_unregister_notifier
+ dev_pm_qos_add_notifier
+ dev_pm_qos_add_request
+ dev_pm_qos_expose_latency_tolerance
+ dev_pm_qos_hide_latency_tolerance
+ dev_pm_qos_read_value
+ dev_pm_qos_remove_notifier
+ dev_pm_qos_remove_request
+ dev_pm_qos_update_request
+ dev_pm_qos_update_user_latency_tolerance
+ dev_pm_set_dedicated_wake_irq
+ dev_printk
+ dev_printk_emit
+ dev_queue_xmit
+ dev_set_mtu
+ dev_set_name
+ dev_uc_sync_multiple
+ dev_uc_unsync
+ devfreq_add_device
+ devfreq_add_governor
+ devfreq_cooling_unregister
+ devfreq_get_devfreq_by_phandle
+ devfreq_monitor_resume
+ devfreq_monitor_start
+ devfreq_monitor_stop
+ devfreq_monitor_suspend
+ devfreq_recommended_opp
+ devfreq_register_opp_notifier
+ devfreq_remove_device
+ devfreq_remove_governor
+ devfreq_resume_device
+ devfreq_suspend_device
+ devfreq_unregister_opp_notifier
+ devfreq_update_interval
+ device_add
+ device_add_disk
+ device_add_groups
+ device_attach
+ device_bind_driver
+ device_create
+ device_create_bin_file
+ device_create_file
+ device_create_with_groups
+ device_del
+ device_destroy
+ device_find_child
+ device_for_each_child
+ device_get_child_node_count
+ device_get_dma_attr
+ device_get_mac_address
+ device_get_match_data
+ device_get_named_child_node
+ device_get_next_child_node
+ device_init_wakeup
+ device_initialize
+ device_link_add
+ device_link_del
+ device_match_fwnode
+ device_match_name
+ device_match_of_node
+ device_property_present
+ device_property_read_string
+ device_property_read_string_array
+ device_property_read_u16_array
+ device_property_read_u32_array
+ device_property_read_u8_array
+ device_register
+ device_release_driver
+ device_remove_bin_file
+ device_remove_file
+ device_remove_file_self
+ device_remove_groups
+ device_set_wakeup_capable
+ device_set_wakeup_enable
+ device_show_bool
+ device_show_int
+ device_store_bool
+ device_store_int
+ device_unregister
+ device_wakeup_disable
+ device_wakeup_enable
+ devm_add_action
+ devm_backlight_device_register
+ devm_backlight_device_unregister
+ devm_blk_ksm_init
+ devm_clk_bulk_get
+ devm_clk_bulk_get_all
+ devm_clk_bulk_get_optional
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_hw_register
+ devm_clk_hw_register_clkdev
+ devm_clk_put
+ devm_clk_register
+ devm_devfreq_add_device
+ devm_devfreq_register_notifier
+ devm_devfreq_unregister_notifier
+ devm_device_add_group
+ devm_device_add_groups
+ devm_device_remove_group
+ devm_drm_panel_bridge_add_typed
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_extcon_dev_unregister
+ devm_extcon_register_notifier
+ devm_free_irq
+ devm_free_percpu
+ devm_gen_pool_create
+ devm_get_clk_from_child
+ devm_gpio_free
+ devm_gpio_request
+ devm_gpio_request_one
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_gpiod_get_array
+ devm_gpiod_get_index
+ devm_gpiod_get_optional
+ devm_gpiod_put_array
+ devm_hwrng_register
+ devm_hwspin_lock_register
+ devm_i2c_new_dummy_device
+ devm_iio_channel_get
+ devm_iio_device_alloc
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_ioremap_wc
+ devm_iounmap
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_kstrdup
+ devm_kstrdup_const
+ devm_kvasprintf
+ devm_led_classdev_register_ext
+ devm_mbox_controller_register
+ devm_memremap
+ devm_mfd_add_devices
+ devm_nvmem_cell_get
+ devm_nvmem_device_get
+ devm_nvmem_register
+ devm_of_clk_add_hw_provider
+ devm_of_icc_get
+ devm_of_iomap
+ devm_of_platform_populate
+ devm_of_pwm_get
+ devm_pci_alloc_host_bridge
+ devm_phy_create
+ devm_phy_get
+ devm_phy_put
+ devm_pinctrl_get
+ devm_pinctrl_put
+ devm_pinctrl_register
+ devm_pinctrl_register_and_init
+ devm_platform_get_and_ioremap_resource
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ devm_power_supply_register
+ devm_pwm_put
+ devm_regmap_add_irq_chip
+ devm_regmap_del_irq_chip
+ devm_regmap_field_alloc
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_exclusive
+ devm_regulator_get_optional
+ devm_regulator_put
+ devm_regulator_register
+ devm_regulator_register_notifier
+ devm_request_any_context_irq
+ devm_request_threaded_irq
+ devm_reset_control_array_get
+ devm_reset_controller_register
+ devm_rtc_allocate_device
+ devm_rtc_device_register
+ devm_snd_dmaengine_pcm_register
+ devm_snd_soc_register_card
+ devm_snd_soc_register_component
+ devm_spi_register_controller
+ devm_thermal_of_cooling_device_register
+ devm_thermal_zone_of_sensor_register
+ devm_thermal_zone_of_sensor_unregister
+ devm_usb_get_phy
+ devm_usb_get_phy_by_node
+ devm_usb_get_phy_by_phandle
+ devm_watchdog_register_device
+ devres_add
+ devres_alloc_node
+ devres_free
+ devres_release
+ disable_irq
+ disable_irq_nosync
+ disable_percpu_irq
+ disk_end_io_acct
+ disk_start_io_acct
+ divider_get_val
+ divider_recalc_rate
+ divider_ro_round_rate_parent
+ divider_round_rate_parent
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_begin_cpu_access_partial
+ dma_buf_detach
+ dma_buf_dynamic_attach
+ dma_buf_end_cpu_access
+ dma_buf_end_cpu_access_partial
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_get_flags
+ dma_buf_map_attachment
+ dma_buf_mmap
+ dma_buf_move_notify
+ dma_buf_pin
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_unpin
+ dma_buf_vmap
+ dma_buf_vunmap
+ dma_contiguous_default_area
+ dma_fence_add_callback
+ dma_fence_array_create
+ dma_fence_array_ops
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_enable_sw_signaling
+ dma_fence_free
+ dma_fence_get_status
+ dma_fence_get_stub
+ dma_fence_init
+ dma_fence_match_context
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ dma_fence_signal_locked
+ dma_fence_wait_any_timeout
+ dma_fence_wait_timeout
+ dma_free_attrs
+ dma_get_merge_boundary
+ dma_get_required_mask
+ dma_get_sgtable_attrs
+ dma_get_slave_caps
+ dma_get_slave_channel
+ dma_heap_add
+ dma_heap_buffer_alloc
+ dma_heap_buffer_free
+ dma_heap_find
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dma_heap_put
+ dma_map_page_attrs
+ dma_map_resource
+ dma_map_sg_attrs
+ dma_max_mapping_size
+ dma_mmap_attrs
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ dma_release_channel
+ dma_request_chan
+ dma_resv_add_excl_fence
+ dma_resv_add_shared_fence
+ dma_resv_fini
+ dma_resv_get_fences_rcu
+ dma_resv_init
+ dma_resv_reserve_shared
+ dma_resv_test_signaled_rcu
+ dma_resv_wait_timeout_rcu
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_resource
+ dma_unmap_sg_attrs
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dmaengine_unmap_put
+ dmam_alloc_attrs
+ dmam_free_coherent
+ dmam_pool_create
+ do_SAK
+ do_exit
+ do_trace_rcu_torture_read
+ do_wait_intr
+ do_wait_intr_irq
+ down
+ down_interruptible
+ down_read
+ down_read_killable
+ down_read_trylock
+ down_timeout
+ down_trylock
+ down_write
+ downgrade_write
+ dput
+ drain_workqueue
+ driver_attach
+ driver_create_file
+ driver_find_device
+ driver_register
+ driver_remove_file
+ driver_unregister
+ drm_add_edid_modes
+ drm_add_modes_noedid
+ drm_atomic_add_affected_connectors
+ drm_atomic_add_affected_planes
+ drm_atomic_commit
+ drm_atomic_get_connector_state
+ drm_atomic_get_crtc_state
+ drm_atomic_get_new_connector_for_encoder
+ drm_atomic_get_plane_state
+ drm_atomic_get_private_obj_state
+ drm_atomic_helper_bridge_destroy_state
+ drm_atomic_helper_bridge_duplicate_state
+ drm_atomic_helper_bridge_reset
+ drm_atomic_helper_check
+ drm_atomic_helper_check_modeset
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_check_planes
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit
+ drm_atomic_helper_commit_cleanup_done
+ drm_atomic_helper_commit_duplicated_state
+ drm_atomic_helper_commit_hw_done
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ drm_atomic_helper_commit_tail
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ drm_atomic_helper_crtc_destroy_state
+ drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_crtc_reset
+ drm_atomic_helper_damage_merged
+ drm_atomic_helper_dirtyfb
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_disable_planes_on_crtc
+ drm_atomic_helper_duplicate_state
+ drm_atomic_helper_fake_vblank
+ drm_atomic_helper_page_flip
+ drm_atomic_helper_plane_destroy_state
+ drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_plane_reset
+ drm_atomic_helper_prepare_planes
+ drm_atomic_helper_set_config
+ drm_atomic_helper_setup_commit
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_swap_state
+ drm_atomic_helper_update_legacy_modeset_state
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_dependencies
+ drm_atomic_helper_wait_for_fences
+ drm_atomic_helper_wait_for_flip_done
+ drm_atomic_helper_wait_for_vblanks
+ drm_atomic_normalize_zpos
+ drm_atomic_private_obj_fini
+ drm_atomic_private_obj_init
+ drm_atomic_set_crtc_for_connector
+ drm_atomic_set_crtc_for_plane
+ drm_atomic_set_fb_for_plane
+ drm_atomic_set_fence_for_plane
+ drm_atomic_set_mode_for_crtc
+ drm_atomic_state_alloc
+ drm_atomic_state_clear
+ drm_atomic_state_default_clear
+ drm_atomic_state_default_release
+ drm_atomic_state_init
+ drm_bridge_add
+ drm_bridge_attach
+ drm_bridge_chain_disable
+ drm_bridge_chain_enable
+ drm_bridge_chain_mode_set
+ drm_bridge_chain_post_disable
+ drm_bridge_chain_pre_enable
+ drm_bridge_hpd_notify
+ drm_bridge_remove
+ drm_client_init
+ drm_client_modeset_commit_locked
+ drm_client_register
+ drm_compat_ioctl
+ drm_connector_attach_dp_subconnector_property
+ drm_connector_attach_edid_property
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_has_possible_encoder
+ drm_connector_init
+ drm_connector_init_with_ddc
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_connector_register
+ drm_connector_set_tile_property
+ drm_connector_unregister
+ drm_connector_update_edid_property
+ drm_crtc_arm_vblank_event
+ drm_crtc_cleanup
+ drm_crtc_enable_color_mgmt
+ drm_crtc_from_index
+ drm_crtc_handle_vblank
+ drm_crtc_helper_set_config
+ drm_crtc_helper_set_mode
+ drm_crtc_init
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_set_max_vblank_count
+ drm_crtc_vblank_count
+ drm_crtc_vblank_count_and_time
+ drm_crtc_vblank_get
+ drm_crtc_vblank_helper_get_vblank_timestamp
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ drm_crtc_vblank_reset
+ drm_crtc_wait_one_vblank
+ drm_cvt_mode
+ drm_debugfs_create_files
+ drm_detect_hdmi_monitor
+ drm_detect_monitor_audio
+ drm_dev_alloc
+ drm_dev_dbg
+ drm_dev_enter
+ drm_dev_exit
+ drm_dev_get
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_set_unique
+ drm_dev_unplug
+ drm_dev_unregister
+ drm_display_mode_to_videomode
+ drm_do_get_edid
+ drm_dp_atomic_find_vcpi_slots
+ drm_dp_atomic_release_vcpi_slots
+ drm_dp_aux_init
+ drm_dp_aux_register
+ drm_dp_aux_unregister
+ drm_dp_bw_code_to_link_rate
+ drm_dp_calc_pbn_mode
+ drm_dp_channel_eq_ok
+ drm_dp_check_act_status
+ drm_dp_clock_recovery_ok
+ drm_dp_dpcd_read
+ drm_dp_dpcd_read_link_status
+ drm_dp_dpcd_write
+ drm_dp_find_vcpi_slots
+ drm_dp_get_adjust_request_pre_emphasis
+ drm_dp_get_adjust_request_voltage
+ drm_dp_get_edid_quirks
+ drm_dp_link_rate_to_bw_code
+ drm_dp_link_train_channel_eq_delay
+ drm_dp_link_train_clock_recovery_delay
+ drm_dp_mst_allocate_vcpi
+ drm_dp_mst_deallocate_vcpi
+ drm_dp_mst_detect_port
+ drm_dp_mst_get_edid
+ drm_dp_mst_get_port_malloc
+ drm_dp_mst_hpd_irq
+ drm_dp_mst_put_port_malloc
+ drm_dp_mst_reset_vcpi_slots
+ drm_dp_mst_topology_mgr_destroy
+ drm_dp_mst_topology_mgr_init
+ drm_dp_mst_topology_mgr_set_mst
+ drm_dp_send_power_updown_phy
+ drm_dp_set_subconnector_property
+ drm_dp_update_payload_part1
+ drm_dp_update_payload_part2
+ drm_edid_block_valid
+ drm_edid_duplicate
+ drm_edid_get_monitor_name
+ drm_edid_header_is_valid
+ drm_edid_is_valid
+ drm_edid_to_sad
+ drm_edid_to_speaker_allocation
+ drm_encoder_cleanup
+ drm_encoder_init
+ drm_event_cancel_free
+ drm_event_reserve_init
+ drm_event_reserve_init_locked
+ drm_fb_cma_get_gem_obj
+ drm_flip_work_cleanup
+ drm_flip_work_commit
+ drm_flip_work_init
+ drm_flip_work_queue
+ drm_format_info
+ drm_framebuffer_cleanup
+ drm_framebuffer_init
+ drm_framebuffer_lookup
+ drm_framebuffer_remove
+ drm_framebuffer_unregister_private
+ drm_gem_cma_dumb_create_internal
+ drm_gem_cma_free_object
+ drm_gem_cma_mmap
+ drm_gem_cma_prime_get_sg_table
+ drm_gem_cma_prime_import_sg_table
+ drm_gem_cma_prime_mmap
+ drm_gem_cma_prime_vmap
+ drm_gem_cma_prime_vunmap
+ drm_gem_cma_vm_ops
+ drm_gem_create_mmap_offset
+ drm_gem_dmabuf_mmap
+ drm_gem_dmabuf_release
+ drm_gem_dmabuf_vmap
+ drm_gem_dmabuf_vunmap
+ drm_gem_fb_create
+ drm_gem_fb_create_handle
+ drm_gem_fb_destroy
+ drm_gem_fb_get_obj
+ drm_gem_fb_prepare_fb
+ drm_gem_free_mmap_offset
+ drm_gem_get_pages
+ drm_gem_handle_create
+ drm_gem_lock_reservations
+ drm_gem_map_attach
+ drm_gem_map_detach
+ drm_gem_map_dma_buf
+ drm_gem_mmap
+ drm_gem_mmap_obj
+ drm_gem_object_free
+ drm_gem_object_init
+ drm_gem_object_lookup
+ drm_gem_object_put_locked
+ drm_gem_object_release
+ drm_gem_prime_export
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_prime_import
+ drm_gem_prime_import_dev
+ drm_gem_prime_mmap
+ drm_gem_private_object_init
+ drm_gem_put_pages
+ drm_gem_shmem_create
+ drm_gem_shmem_free_object
+ drm_gem_shmem_get_sg_table
+ drm_gem_shmem_mmap
+ drm_gem_shmem_pin
+ drm_gem_shmem_print_info
+ drm_gem_shmem_unpin
+ drm_gem_shmem_vmap
+ drm_gem_shmem_vunmap
+ drm_gem_unlock_reservations
+ drm_gem_unmap_dma_buf
+ drm_gem_vm_close
+ drm_gem_vm_open
+ drm_get_connector_status_name
+ drm_get_edid
+ drm_get_format_info
+ drm_get_format_name
+ drm_handle_vblank
+ drm_hdmi_avi_infoframe_from_display_mode
+ drm_helper_connector_dpms
+ drm_helper_disable_unused_functions
+ drm_helper_force_disable_all
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_single_connector_modes
+ drm_helper_resume_force_mode
+ drm_ioctl
+ drm_irq_install
+ drm_irq_uninstall
+ drm_is_current_master
+ drm_kms_helper_hotplug_event
+ drm_kms_helper_is_poll_worker
+ drm_kms_helper_poll_disable
+ drm_kms_helper_poll_enable
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drm_match_cea_mode
+ drm_mm_init
+ drm_mm_insert_node_in_range
+ drm_mm_print
+ drm_mm_remove_node
+ drm_mm_takedown
+ drm_mode_config_cleanup
+ drm_mode_config_helper_resume
+ drm_mode_config_helper_suspend
+ drm_mode_config_reset
+ drm_mode_convert_to_umode
+ drm_mode_convert_umode
+ drm_mode_copy
+ drm_mode_create
+ drm_mode_create_dp_colorspace_property
+ drm_mode_create_scaling_mode_property
+ drm_mode_create_tile_group
+ drm_mode_crtc_set_gamma_size
+ drm_mode_debug_printmodeline
+ drm_mode_destroy
+ drm_mode_duplicate
+ drm_mode_equal
+ drm_mode_equal_no_clocks
+ drm_mode_get_tile_group
+ drm_mode_is_420_only
+ drm_mode_match
+ drm_mode_object_find
+ drm_mode_object_get
+ drm_mode_object_put
+ drm_mode_probed_add
+ drm_mode_set_crtcinfo
+ drm_mode_set_name
+ drm_mode_sort
+ drm_mode_vrefresh
+ drm_modeset_acquire_fini
+ drm_modeset_acquire_init
+ drm_modeset_backoff
+ drm_modeset_drop_locks
+ drm_modeset_lock
+ drm_modeset_lock_all
+ drm_modeset_lock_all_ctx
+ drm_modeset_lock_init
+ drm_modeset_unlock
+ drm_modeset_unlock_all
+ drm_need_swiotlb
+ drm_object_attach_property
+ drm_object_property_set_value
+ drm_of_component_match_add
+ drm_of_find_possible_crtcs
+ drm_open
+ drm_panel_add
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_init
+ drm_panel_prepare
+ drm_panel_remove
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_plane_create_alpha_property
+ drm_plane_create_blend_mode_property
+ drm_plane_create_rotation_property
+ drm_plane_create_zpos_property
+ drm_plane_enable_fb_damage_clips
+ drm_poll
+ drm_prime_gem_destroy
+ drm_prime_pages_to_sg
+ drm_prime_sg_to_page_addr_arrays
+ drm_printf
+ drm_property_blob_get
+ drm_property_blob_put
+ drm_property_create
+ drm_property_create_bitmask
+ drm_property_create_blob
+ drm_property_create_bool
+ drm_property_create_enum
+ drm_property_create_range
+ drm_property_create_signed_range
+ drm_property_lookup_blob
+ drm_property_replace_blob
+ drm_puts
+ drm_read
+ drm_rect_calc_hscale
+ drm_rect_calc_vscale
+ drm_rect_clip_scaled
+ drm_rect_intersect
+ drm_release
+ drm_rotation_simplify
+ drm_send_event
+ drm_send_event_locked
+ drm_set_preferred_mode
+ drm_simple_encoder_init
+ drm_state_dump
+ drm_syncobj_add_point
+ drm_syncobj_create
+ drm_syncobj_find
+ drm_syncobj_find_fence
+ drm_syncobj_free
+ drm_syncobj_get_fd
+ drm_syncobj_get_handle
+ drm_syncobj_replace_fence
+ drm_sysfs_hotplug_event
+ drm_universal_plane_init
+ drm_vblank_init
+ drm_vma_node_allow
+ drm_vma_node_is_allowed
+ drm_vma_node_revoke
+ drm_wait_one_vblank
+ drm_writeback_connector_init
+ drm_writeback_queue_job
+ drm_writeback_signal_completion
+ drmm_kmalloc
+ drmm_mode_config_init
+ dst_release
+ dump_align
+ dump_backtrace
+ dump_emit
+ dump_stack
+ dup_iter
+ dw_handle_msi_irq
+ dw_pcie_host_init
+ dw_pcie_msi_init
+ dw_pcie_own_conf_map_bus
+ dw_pcie_read
+ dw_pcie_setup_rc
+ dw_pcie_write
+ dwc3_send_gadget_ep_cmd
+ dwc3_stop_active_transfer
+ edac_device_add_device
+ edac_device_alloc_ctl_info
+ edac_device_alloc_index
+ edac_device_del_device
+ edac_device_free_ctl_info
+ edac_device_handle_ce_count
+ edac_device_handle_ue_count
+ efi
+ efi_tpm_final_log_size
+ elevator_alloc
+ elv_bio_merge_ok
+ elv_rb_add
+ elv_rb_del
+ elv_rb_find
+ elv_rb_former_request
+ elv_rb_latter_request
+ elv_register
+ elv_rqhash_add
+ elv_rqhash_del
+ elv_unregister
+ emergency_restart
+ enable_irq
+ enable_percpu_irq
+ eth_commit_mac_addr_change
+ eth_mac_addr
+ eth_platform_get_mac_address
+ eth_prepare_mac_addr_change
+ eth_type_trans
+ eth_validate_addr
+ ether_setup
+ ethtool_op_get_link
+ ethtool_op_get_ts_info
+ ethtool_virtdev_set_link_ksettings
+ event_triggers_call
+ eventfd_ctx_fdget
+ eventfd_ctx_fileget
+ eventfd_ctx_put
+ eventfd_ctx_remove_wait_queue
+ eventfd_signal
+ extcon_find_edev_by_node
+ extcon_get_edev_by_phandle
+ extcon_get_edev_name
+ extcon_get_extcon_dev
+ extcon_get_property
+ extcon_get_state
+ extcon_register_notifier
+ extcon_set_property
+ extcon_set_property_capability
+ extcon_set_state_sync
+ extcon_unregister_notifier
+ fasync_helper
+ fd_install
+ fget
+ file_path
+ file_ra_state_init
+ filp_close
+ filp_open_block
+ find_get_pid
+ find_last_bit
+ find_next_bit
+ find_next_zero_bit
+ find_snd_usb_substream
+ find_task_by_vpid
+ find_vma
+ find_vpid
+ finish_wait
+ firmware_request_nowarn
+ fixed_size_llseek
+ flow_keys_basic_dissector
+ flush_dcache_page
+ flush_delayed_work
+ flush_signals
+ flush_work
+ flush_workqueue
+ fput
+ frame_vector_create
+ frame_vector_destroy
+ frame_vector_to_pages
+ free_buffer_head
+ free_io_pgtable_ops
+ free_irq
+ free_netdev
+ free_pages
+ free_pages_exact
+ free_percpu
+ free_percpu_irq
+ freezing_slow_path
+ freq_qos_add_request
+ freq_qos_remove_request
+ freq_qos_update_request
+ freq_scale
+ fs_bio_set
+ fsync_bdev
+ ftrace_dump
+ full_name_hash
+ fwnode_find_reference
+ fwnode_get_name
+ fwnode_get_named_child_node
+ fwnode_get_next_child_node
+ fwnode_gpiod_get_index
+ fwnode_handle_get
+ fwnode_handle_put
+ fwnode_property_present
+ fwnode_property_read_string
+ fwnode_property_read_u32_array
+ fwnode_usb_role_switch_get
+ gcd
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_avail
+ gen_pool_best_fit
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_dma_alloc_align
+ gen_pool_dma_zalloc_align
+ gen_pool_first_fit_align
+ gen_pool_first_fit_order_align
+ gen_pool_free_owner
+ gen_pool_has_addr
+ gen_pool_set_algo
+ gen_pool_size
+ gen_pool_virt_to_phys
+ generic_delete_inode
+ generic_device_group
+ generic_file_llseek
+ generic_file_read_iter
+ generic_handle_irq
+ generic_iommu_put_resv_regions
+ generic_mii_ioctl
+ generic_perform_write
+ generic_write_checks
+ genl_notify
+ genl_register_family
+ genl_unregister_family
+ genlmsg_put
+ genphy_read_status
+ genphy_resume
+ genphy_soft_reset
+ genphy_suspend
+ get_cpu_device
+ get_cpu_idle_time
+ get_cpu_idle_time_us
+ get_cpu_iowait_time_us
+ get_device
+ get_device_system_crosststamp
+ get_governor_parent_kobj
+ get_next_ino
+ get_option
+ get_options
+ get_pid_task
+ get_random_bytes
+ get_random_bytes_arch
+ get_random_u32
+ get_random_u64
+ get_sg_io_hdr
+ get_state_synchronize_rcu
+ get_task_exe_file
+ get_task_mm
+ get_task_pid
+ get_thermal_instance
+ get_tree_single
+ get_unmapped_area
+ get_unused_fd_flags
+ get_user_pages
+ get_user_pages_fast
+ get_user_pages_remote
+ get_vaddr_frames
+ get_zeroed_page
+ getboottime64
+ gfp_zone
+ gic_nonsecure_priorities
+ glob_match
+ gnss_allocate_device
+ gnss_deregister_device
+ gnss_insert_raw
+ gnss_put_device
+ gnss_register_device
+ gov_attr_set_get
+ gov_attr_set_init
+ gov_attr_set_put
+ governor_sysfs_ops
+ gpio_free
+ gpio_free_array
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ gpiochip_add_data_with_key
+ gpiochip_add_pin_range
+ gpiochip_find
+ gpiochip_generic_config
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_line_is_valid
+ gpiochip_lock_as_irq
+ gpiochip_populate_parent_fwspec_fourcell
+ gpiochip_remove
+ gpiochip_unlock_as_irq
+ gpiod_cansleep
+ gpiod_count
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_optional
+ gpiod_get_raw_value
+ gpiod_get_raw_value_cansleep
+ gpiod_get_value
+ gpiod_get_value_cansleep
+ gpiod_set_consumer_name
+ gpiod_set_debounce
+ gpiod_set_raw_value
+ gpiod_set_raw_value_cansleep
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_chip
+ gpiod_to_irq
+ gro_cells_destroy
+ gro_cells_init
+ gro_cells_receive
+ gserial_alloc_line
+ gserial_connect
+ gserial_disconnect
+ guid_gen
+ handle_bad_irq
+ handle_edge_irq
+ handle_fasteoi_ack_irq
+ handle_fasteoi_irq
+ handle_level_irq
+ handle_nested_irq
+ handle_simple_irq
+ handle_sysrq
+ hash_digest_size
+ hashlen_string
+ have_governor_per_policy
+ hci_alloc_dev
+ hci_free_dev
+ hci_recv_frame
+ hci_register_dev
+ hci_unregister_dev
+ hdmi_audio_infoframe_init
+ hdmi_audio_infoframe_pack
+ hdmi_avi_infoframe_init
+ hdmi_avi_infoframe_pack
+ hdmi_infoframe_pack
+ hex2bin
+ hex_dump_to_buffer
+ hex_to_bin
+ hid_hw_close
+ hid_hw_open
+ hid_hw_start
+ hid_hw_stop
+ hid_open_report
+ hid_report_raw_event
+ hid_unregister_driver
+ hmm_range_fault
+ hrtimer_active
+ hrtimer_cancel
+ hrtimer_forward
+ hrtimer_init
+ hrtimer_init_sleeper
+ hrtimer_sleeper_start_expires
+ hrtimer_start_range_ns
+ hrtimer_try_to_cancel
+ hvc_alloc
+ hvc_instantiate
+ hvc_kick
+ hvc_poll
+ hvc_remove
+ hwrng_register
+ hwrng_unregister
+ hwspin_lock_free
+ hwspin_lock_request_specific
+ hypervisor_kobj
+ i2c_adapter_type
+ i2c_add_adapter
+ i2c_add_numbered_adapter
+ i2c_bit_add_bus
+ i2c_bit_add_numbered_bus
+ i2c_bus_type
+ i2c_client_type
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_for_each_dev
+ i2c_generic_scl_recovery
+ i2c_get_adapter
+ i2c_get_device_id
+ i2c_get_dma_safe_msg_buf
+ i2c_match_id
+ i2c_new_ancillary_device
+ i2c_new_client_device
+ i2c_new_dummy_device
+ i2c_new_scanned_device
+ i2c_parse_fw_timings
+ i2c_put_adapter
+ i2c_put_dma_safe_msg_buf
+ i2c_recover_bus
+ i2c_register_driver
+ i2c_smbus_read_byte
+ i2c_smbus_read_byte_data
+ i2c_smbus_read_i2c_block_data
+ i2c_smbus_read_word_data
+ i2c_smbus_write_byte
+ i2c_smbus_write_byte_data
+ i2c_smbus_write_i2c_block_data
+ i2c_smbus_write_word_data
+ i2c_smbus_xfer
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ i2c_unregister_device
+ i2c_verify_adapter
+ i2c_verify_client
+ icc_disable
+ icc_enable
+ icc_get
+ icc_link_create
+ icc_node_add
+ icc_node_create
+ icc_node_del
+ icc_node_destroy
+ icc_nodes_remove
+ icc_provider_add
+ icc_provider_del
+ icc_put
+ icc_set_bw
+ icc_set_tag
+ icc_std_aggregate
+ icc_sync_state
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ idr_alloc
+ idr_alloc_cyclic
+ idr_alloc_u32
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_preload
+ idr_remove
+ idr_replace
+ ieee802154_alloc_hw
+ ieee802154_free_hw
+ ieee802154_register_hw
+ ieee802154_rx_irqsafe
+ ieee802154_unregister_hw
+ ieee802154_wake_queue
+ ieee802154_xmit_complete
+ iio_buffer_init
+ iio_buffer_put
+ iio_channel_get
+ iio_channel_get_all
+ iio_channel_release
+ iio_device_alloc
+ iio_device_attach_buffer
+ iio_device_free
+ iio_device_unregister
+ iio_push_to_buffers
+ iio_read_channel_processed
+ iio_read_channel_raw
+ import_iovec
+ in4_pton
+ in6_dev_finish_destroy
+ in6_pton
+ in_aton
+ in_egroup_p
+ inc_zone_page_state
+ inet_proto_csum_replace4
+ init_dummy_netdev
+ init_iova_domain
+ init_net
+ init_on_free
+ init_pid_ns
+ init_pseudo
+ init_srcu_struct
+ init_task
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ input_alloc_absinfo
+ input_allocate_device
+ input_close_device
+ input_event
+ input_ff_create
+ input_ff_create_memless
+ input_ff_destroy
+ input_free_device
+ input_mt_assign_slots
+ input_mt_destroy_slots
+ input_mt_drop_unused
+ input_mt_init_slots
+ input_mt_report_finger_count
+ input_mt_report_pointer_emulation
+ input_mt_report_slot_state
+ input_mt_sync_frame
+ input_open_device
+ input_register_device
+ input_register_handle
+ input_register_handler
+ input_set_abs_params
+ input_set_capability
+ input_set_timestamp
+ input_unregister_device
+ input_unregister_handle
+ input_unregister_handler
+ int_pow
+ int_sqrt
+ interval_tree_insert
+ interval_tree_iter_first
+ interval_tree_iter_next
+ interval_tree_remove
+ invalidate_bdev
+ invalidate_mapping_pages
+ io_schedule_timeout
+ iomem_resource
+ iommu_alloc_resv_region
+ iommu_attach_device
+ iommu_attach_group
+ iommu_aux_attach_device
+ iommu_aux_detach_device
+ iommu_aux_get_pasid
+ iommu_detach_device
+ iommu_detach_group
+ iommu_dev_enable_feature
+ iommu_dev_feature_enabled
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unlink
+ iommu_device_unregister
+ iommu_dma_enable_best_fit_algo
+ iommu_dma_get_resv_regions
+ iommu_dma_reserve_iova
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_domain_get_attr
+ iommu_domain_set_attr
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_get_domain_for_dev
+ iommu_get_msi_cookie
+ iommu_group_alloc
+ iommu_group_for_each_dev
+ iommu_group_get
+ iommu_group_get_iommudata
+ iommu_group_put
+ iommu_group_ref_get
+ iommu_group_set_iommudata
+ iommu_group_set_name
+ iommu_iova_to_phys
+ iommu_map
+ iommu_map_sg
+ iommu_present
+ iommu_put_dma_cookie
+ iommu_register_device_fault_handler
+ iommu_report_device_fault
+ iommu_set_fault_handler
+ iommu_unmap
+ iommu_unregister_device_fault_handler
+ iounmap
+ iov_iter_bvec
+ iov_iter_kvec
+ ip_compute_csum
+ ip_send_check
+ ipi_desc_get
+ iput
+ ipv6_ext_hdr
+ ipv6_find_hdr
+ ipv6_skip_exthdr
+ irq_chip_ack_parent
+ irq_chip_disable_parent
+ irq_chip_enable_parent
+ irq_chip_eoi_parent
+ irq_chip_get_parent_state
+ irq_chip_mask_parent
+ irq_chip_retrigger_hierarchy
+ irq_chip_set_affinity_parent
+ irq_chip_set_parent_state
+ irq_chip_set_type_parent
+ irq_chip_set_vcpu_affinity_parent
+ irq_chip_set_wake_parent
+ irq_chip_unmask_parent
+ irq_create_fwspec_mapping
+ irq_create_mapping_affinity
+ irq_create_of_mapping
+ irq_dispose_mapping
+ irq_domain_alloc_irqs_parent
+ irq_domain_create_hierarchy
+ irq_domain_free_irqs_common
+ irq_domain_free_irqs_parent
+ irq_domain_get_irq_data
+ irq_domain_remove
+ irq_domain_set_hwirq_and_chip
+ irq_domain_set_info
+ irq_domain_simple_ops
+ irq_domain_update_bus_token
+ irq_domain_xlate_onecell
+ irq_domain_xlate_onetwocell
+ irq_domain_xlate_twocell
+ irq_find_mapping
+ irq_find_matching_fwspec
+ irq_get_irq_data
+ irq_get_irqchip_state
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_affinity_notifier
+ irq_set_chained_handler_and_data
+ irq_set_chip
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_handler_data
+ irq_set_irq_type
+ irq_set_irq_wake
+ irq_set_irqchip_state
+ irq_set_parent
+ irq_to_desc
+ irq_work_queue
+ irq_work_queue_on
+ irq_work_sync
+ is_dma_buf_file
+ is_vmalloc_addr
+ iwe_stream_add_event
+ iwe_stream_add_point
+ iwe_stream_add_value
+ jiffies
+ jiffies64_to_msecs
+ jiffies_64_to_clock_t
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kern_mount
+ kern_path
+ kern_unmount
+ kernel_bind
+ kernel_connect
+ kernel_cpustat
+ kernel_getsockname
+ kernel_kobj
+ kernel_power_off
+ kernel_recvmsg
+ kernel_restart
+ kernel_sendmsg
+ kernel_sigaction
+ kernfs_find_and_get_ns
+ kernfs_notify
+ kernfs_path_from_node
+ kernfs_put
+ kfree
+ kfree_const
+ kfree_sensitive
+ kfree_skb
+ kick_all_cpus_sync
+ kill_anon_super
+ kill_fasync
+ kill_litter_super
+ kimage_vaddr
+ kimage_voffset
+ kiocb_set_cancel_fn
+ kmalloc_caches
+ kmalloc_order
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_create_usercopy
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kmemdup_nul
+ kmsg_dump_get_line
+ kmsg_dump_rewind
+ kobj_sysfs_ops
+ kobject_add
+ kobject_create_and_add
+ kobject_del
+ kobject_get
+ kobject_init
+ kobject_init_and_add
+ kobject_put
+ kobject_set_name
+ kobject_uevent
+ kobject_uevent_env
+ krealloc
+ kset_create_and_add
+ kset_unregister
+ ksize
+ ksoftirqd
+ kstat
+ kstat_irqs_cpu
+ kstat_irqs_usr
+ kstrdup
+ kstrdup_const
+ kstrdup_quotable_cmdline
+ kstrndup
+ kstrtobool
+ kstrtobool_from_user
+ kstrtoint
+ kstrtoint_from_user
+ kstrtol_from_user
+ kstrtoll
+ kstrtos16
+ kstrtos8
+ kstrtos8_from_user
+ kstrtou16
+ kstrtou16_from_user
+ kstrtou8
+ kstrtou8_from_user
+ kstrtouint
+ kstrtouint_from_user
+ kstrtoul_from_user
+ kstrtoull
+ kstrtoull_from_user
+ ksys_sync_helper
+ kthread_bind
+ kthread_bind_mask
+ kthread_blkcg
+ kthread_cancel_delayed_work_sync
+ kthread_cancel_work_sync
+ kthread_create_on_node
+ kthread_create_worker
+ kthread_delayed_work_timer_fn
+ kthread_destroy_worker
+ kthread_flush_work
+ kthread_flush_worker
+ kthread_mod_delayed_work
+ kthread_park
+ kthread_parkme
+ kthread_queue_delayed_work
+ kthread_queue_work
+ kthread_should_park
+ kthread_should_stop
+ kthread_stop
+ kthread_unpark
+ kthread_unuse_mm
+ kthread_use_mm
+ kthread_worker_fn
+ ktime_add_safe
+ ktime_get
+ ktime_get_coarse_with_offset
+ ktime_get_mono_fast_ns
+ ktime_get_raw
+ ktime_get_raw_ts64
+ ktime_get_real_seconds
+ ktime_get_real_ts64
+ ktime_get_seconds
+ ktime_get_ts64
+ ktime_get_with_offset
+ kvasprintf
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ led_classdev_flash_register_ext
+ led_classdev_flash_unregister
+ led_classdev_register_ext
+ led_classdev_unregister
+ led_trigger_event
+ led_trigger_register_simple
+ led_trigger_unregister_simple
+ list_sort
+ llist_add_batch
+ llist_reverse_order
+ lock_sock_nested
+ log_abnormal_wakeup_reason
+ log_buf_addr_get
+ log_buf_len_get
+ log_threaded_irq_wakeup_reason
+ loops_per_jiffy
+ lzo1x_1_compress
+ lzo1x_decompress_safe
+ lzorle1x_1_compress
+ mac_pton
+ match_string
+ mbox_chan_received_data
+ mbox_chan_txdone
+ mbox_client_txdone
+ mbox_controller_register
+ mbox_controller_unregister
+ mbox_free_channel
+ mbox_request_channel
+ mbox_send_message
+ mdiobus_alloc_size
+ mdiobus_free
+ mdiobus_read
+ mdiobus_unregister
+ mdiobus_write
+ media_device_cleanup
+ media_device_init
+ media_device_unregister
+ media_entity_pads_init
+ memblock_end_of_DRAM
+ memblock_free
+ memchr
+ memchr_inv
+ memcmp
+ memcpy
+ memdup_user
+ memdup_user_nul
+ memmove
+ memory_block_size_bytes
+ memory_read_from_buffer
+ memparse
+ mempool_alloc
+ mempool_alloc_slab
+ mempool_create
+ mempool_create_node
+ mempool_destroy
+ mempool_exit
+ mempool_free
+ mempool_free_slab
+ mempool_init
+ mempool_kfree
+ mempool_kmalloc
+ memremap
+ memset
+ memset64
+ memstart_addr
+ memunmap
+ mfd_add_devices
+ mfd_remove_devices
+ migrate_swap
+ mii_check_media
+ mii_ethtool_get_link_ksettings
+ mii_ethtool_gset
+ mii_ethtool_set_link_ksettings
+ mii_link_ok
+ mii_nway_restart
+ mipi_dsi_attach
+ mipi_dsi_compression_mode
+ mipi_dsi_create_packet
+ mipi_dsi_dcs_read
+ mipi_dsi_dcs_set_column_address
+ mipi_dsi_dcs_set_display_brightness
+ mipi_dsi_dcs_set_page_address
+ mipi_dsi_dcs_set_tear_off
+ mipi_dsi_dcs_write_buffer
+ mipi_dsi_detach
+ mipi_dsi_device_register_full
+ mipi_dsi_device_unregister
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ mipi_dsi_packet_format_is_long
+ mipi_dsi_picture_parameter_set
+ misc_deregister
+ misc_register
+ mktime64
+ mm_trace_rss_stat
+ mmc_add_host
+ mmc_alloc_host
+ mmc_app_cmd
+ mmc_calc_max_discard
+ mmc_can_erase
+ mmc_can_gpio_cd
+ mmc_can_secure_erase_trim
+ mmc_can_trim
+ mmc_cmdq_disable
+ mmc_cmdq_enable
+ mmc_cqe_post_req
+ mmc_cqe_recovery
+ mmc_cqe_request_done
+ mmc_cqe_start_req
+ mmc_detect_card_removed
+ mmc_detect_change
+ mmc_erase
+ mmc_erase_group_aligned
+ mmc_flush_cache
+ mmc_free_host
+ mmc_get_card
+ mmc_get_ext_csd
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_gpiod_request_cd
+ mmc_gpiod_request_cd_irq
+ mmc_gpiod_request_ro
+ mmc_hw_reset
+ mmc_of_parse
+ mmc_of_parse_voltage
+ mmc_put_card
+ mmc_register_driver
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_release_host
+ mmc_remove_host
+ mmc_request_done
+ mmc_retune_pause
+ mmc_retune_release
+ mmc_retune_unpause
+ mmc_run_bkops
+ mmc_sanitize
+ mmc_send_status
+ mmc_send_tuning
+ mmc_set_data_timeout
+ mmc_start_request
+ mmc_switch
+ mmc_unregister_driver
+ mmc_wait_for_cmd
+ mmc_wait_for_req
+ mmput
+ mmu_interval_notifier_insert
+ mmu_interval_notifier_remove
+ mmu_interval_read_begin
+ mmu_notifier_synchronize
+ mod_delayed_work_on
+ mod_node_page_state
+ mod_timer
+ module_layout
+ module_put
+ msleep
+ msleep_interruptible
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_trylock
+ mutex_trylock_recursive
+ mutex_unlock
+ name_to_dev_t
+ names_cachep
+ napi_complete_done
+ napi_consume_skb
+ napi_disable
+ napi_gro_flush
+ napi_gro_receive
+ napi_schedule_prep
+ net_namespace_list
+ net_ratelimit
+ netdev_change_features
+ netdev_err
+ netdev_increment_features
+ netdev_info
+ netdev_lower_state_changed
+ netdev_master_upper_dev_link
+ netdev_notify_peers
+ netdev_pick_tx
+ netdev_rx_handler_register
+ netdev_rx_handler_unregister
+ netdev_state_change
+ netdev_update_features
+ netdev_upper_dev_link
+ netdev_upper_dev_unlink
+ netdev_warn
+ netif_carrier_off
+ netif_carrier_on
+ netif_device_attach
+ netif_device_detach
+ netif_napi_add
+ netif_receive_skb
+ netif_receive_skb_list
+ netif_rx
+ netif_rx_ni
+ netif_schedule_queue
+ netif_set_real_num_rx_queues
+ netif_set_real_num_tx_queues
+ netif_stacked_transfer_operstate
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_ack
+ netlink_broadcast
+ netlink_capable
+ netlink_has_listeners
+ netlink_kernel_release
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ new_inode
+ nf_conntrack_destroy
+ nla_append
+ nla_find
+ nla_memcpy
+ nla_put
+ nla_put_64bit
+ nla_put_nohdr
+ nla_reserve
+ nla_reserve_64bit
+ nla_strlcpy
+ no_llseek
+ no_seek_end_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ nr_ipi_get
+ nr_irqs
+ ns_capable
+ ns_to_timespec64
+ nsec_to_clock_t
+ nsecs_to_jiffies
+ nvdimm_bus_register
+ nvdimm_bus_unregister
+ nvdimm_pmem_region_create
+ nvmem_cell_get
+ nvmem_cell_put
+ nvmem_cell_read
+ nvmem_cell_read_u32
+ nvmem_cell_write
+ nvmem_device_put
+ nvmem_device_read
+ nvmem_device_write
+ of_address_to_resource
+ of_alias_get_highest_id
+ of_alias_get_id
+ of_clk_add_hw_provider
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_get
+ of_clk_get_by_name
+ of_clk_get_from_provider
+ of_clk_get_parent_count
+ of_clk_get_parent_name
+ of_clk_hw_onecell_get
+ of_clk_hw_simple_get
+ of_clk_set_defaults
+ of_clk_src_onecell_get
+ of_clk_src_simple_get
+ of_count_phandle_with_args
+ of_cpu_node_to_id
+ of_cpufreq_cooling_register
+ of_css
+ of_devfreq_cooling_register
+ of_devfreq_cooling_register_power
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_device_modalias
+ of_device_request_module
+ of_device_uevent_modalias
+ of_dma_configure_id
+ of_dma_controller_free
+ of_dma_controller_register
+ of_dma_is_coherent
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_find_all_nodes
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_i2c_adapter_by_node
+ of_find_i2c_device_by_node
+ of_find_matching_node_and_match
+ of_find_mipi_dsi_host_by_node
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_by_type
+ of_find_node_opts_by_path
+ of_find_node_with_property
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_provider_onecell
+ of_genpd_add_provider_simple
+ of_genpd_del_provider
+ of_get_address
+ of_get_child_by_name
+ of_get_compatible_child
+ of_get_cpu_node
+ of_get_dma_window
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_next_parent
+ of_get_parent
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_endpoint_by_regs
+ of_graph_get_next_endpoint
+ of_graph_get_port_parent
+ of_graph_get_remote_endpoint
+ of_graph_get_remote_node
+ of_graph_get_remote_port
+ of_graph_get_remote_port_parent
+ of_graph_is_present
+ of_graph_parse_endpoint
+ of_hwspin_lock_get_id
+ of_i2c_get_board_info
+ of_icc_get
+ of_icc_xlate_onecell
+ of_iomap
+ of_irq_find_parent
+ of_irq_get
+ of_irq_get_byname
+ of_irq_parse_one
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_modalias_node
+ of_n_addr_cells
+ of_n_size_cells
+ of_node_name_eq
+ of_nvmem_device_get
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_phy_simple_xlate
+ of_platform_depopulate
+ of_platform_device_create
+ of_platform_device_destroy
+ of_platform_populate
+ of_prop_next_string
+ of_prop_next_u32
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_u64
+ of_property_read_u64_index
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u64_array
+ of_property_read_variable_u8_array
+ of_pwm_xlate_with_flags
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_device_release
+ of_reserved_mem_lookup
+ of_reset_control_array_get
+ of_root
+ of_thermal_get_ntrips
+ of_thermal_get_trip_points
+ of_thermal_is_trip_valid
+ of_translate_address
+ of_usb_get_phy_mode
+ of_usb_host_tpl_support
+ on_each_cpu
+ oops_in_progress
+ orderly_poweroff
+ overflowuid
+ page_endio
+ page_mapping
+ page_reporting_register
+ page_reporting_unregister
+ panic
+ panic_notifier_list
+ panic_timeout
+ param_array_ops
+ param_get_int
+ param_get_string
+ param_get_uint
+ param_get_ullong
+ param_ops_bint
+ param_ops_bool
+ param_ops_byte
+ param_ops_charp
+ param_ops_hexint
+ param_ops_int
+ param_ops_long
+ param_ops_short
+ param_ops_string
+ param_ops_uint
+ param_ops_ullong
+ param_ops_ulong
+ param_ops_ushort
+ param_set_bool
+ param_set_copystring
+ param_set_int
+ param_set_uint
+ part_end_io_acct
+ part_start_io_acct
+ passthru_features_check
+ path_put
+ pause_cpus
+ pci_alloc_irq_vectors_affinity
+ pci_assign_resource
+ pci_assign_unassigned_bus_resources
+ pci_bus_resource_n
+ pci_bus_type
+ pci_clear_master
+ pci_d3cold_disable
+ pci_dev_present
+ pci_dev_put
+ pci_device_group
+ pci_device_is_present
+ pci_disable_device
+ pci_disable_msi
+ pci_enable_atomic_ops_to_root
+ pci_enable_device
+ pci_enable_device_mem
+ pci_enable_msi
+ pci_enable_wake
+ pci_find_bus
+ pci_find_capability
+ pci_find_ext_capability
+ pci_find_next_capability
+ pci_free_irq
+ pci_free_irq_vectors
+ pci_generic_config_read
+ pci_generic_config_write
+ pci_get_device
+ pci_get_domain_bus_and_slot
+ pci_get_slot
+ pci_host_probe
+ pci_intx
+ pci_iomap
+ pci_iomap_range
+ pci_ioremap_bar
+ pci_irq_get_affinity
+ pci_irq_vector
+ pci_load_and_free_saved_state
+ pci_load_saved_state
+ pci_map_rom
+ pci_match_id
+ pci_msi_create_irq_domain
+ pci_msi_mask_irq
+ pci_msi_unmask_irq
+ pci_msix_vec_count
+ pci_read_config_byte
+ pci_read_config_dword
+ pci_read_config_word
+ pci_release_region
+ pci_release_regions
+ pci_release_resource
+ pci_release_selected_regions
+ pci_request_irq
+ pci_request_region
+ pci_request_regions
+ pci_request_selected_regions
+ pci_rescan_bus
+ pci_resize_resource
+ pci_restore_msi_state
+ pci_restore_state
+ pci_save_state
+ pci_select_bars
+ pci_set_master
+ pci_set_mwi
+ pci_set_power_state
+ pci_store_saved_state
+ pci_unmap_rom
+ pci_unregister_driver
+ pci_wake_from_d3
+ pci_walk_bus
+ pci_write_config_byte
+ pci_write_config_dword
+ pci_write_config_word
+ pcibios_resource_to_bus
+ pcie_aspm_enabled
+ pcie_bandwidth_available
+ pcie_capability_read_word
+ pcie_capability_write_word
+ pcie_get_mps
+ pcie_get_speed_cap
+ pcim_enable_device
+ per_cpu_ptr_to_phys
+ percpu_down_write
+ percpu_ref_exit
+ percpu_ref_init
+ percpu_ref_is_zero
+ percpu_ref_kill_and_confirm
+ percpu_ref_switch_to_atomic_sync
+ percpu_ref_switch_to_percpu
+ percpu_up_write
+ perf_aux_output_begin
+ perf_aux_output_end
+ perf_aux_output_flag
+ perf_event_addr_filters_sync
+ perf_event_create_kernel_counter
+ perf_event_disable
+ perf_event_enable
+ perf_event_pause
+ perf_event_read_local
+ perf_event_read_value
+ perf_event_release_kernel
+ perf_event_update_userpage
+ perf_get_aux
+ perf_pmu_migrate_context
+ perf_pmu_register
+ perf_pmu_unregister
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_attached_info
+ phy_calibrate
+ phy_configure
+ phy_connect
+ phy_connect_direct
+ phy_disconnect
+ phy_do_ioctl_running
+ phy_drivers_register
+ phy_drivers_unregister
+ phy_ethtool_get_link_ksettings
+ phy_ethtool_nway_reset
+ phy_ethtool_set_link_ksettings
+ phy_exit
+ phy_find_first
+ phy_get_pause
+ phy_init
+ phy_init_hw
+ phy_mii_ioctl
+ phy_pm_runtime_get_sync
+ phy_pm_runtime_put_sync
+ phy_power_off
+ phy_power_on
+ phy_print_status
+ phy_set_mode_ext
+ phy_start
+ phy_stop
+ pick_highest_pushable_task
+ pid_nr_ns
+ pid_task
+ pin_get_name
+ pin_user_pages
+ pin_user_pages_fast
+ pin_user_pages_remote
+ pinconf_generic_dt_free_map
+ pinconf_generic_dt_node_to_map
+ pinctrl_add_gpio_range
+ pinctrl_dev_get_drvdata
+ pinctrl_enable
+ pinctrl_force_default
+ pinctrl_force_sleep
+ pinctrl_get
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_idle_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_put
+ pinctrl_remove_gpio_range
+ pinctrl_select_default_state
+ pinctrl_select_state
+ pinctrl_utils_free_map
+ pipe_lock
+ pipe_unlock
+ pktgen_xfrm_outer_mode_output
+ platform_add_devices
+ platform_bus_type
+ platform_device_add
+ platform_device_add_data
+ platform_device_add_properties
+ platform_device_add_resources
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_device_register
+ platform_device_register_full
+ platform_device_unregister
+ platform_driver_unregister
+ platform_find_device_by_driver
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_irq_byname_optional
+ platform_get_irq_optional
+ platform_get_resource
+ platform_get_resource_byname
+ platform_irq_count
+ pm_clk_add
+ pm_clk_create
+ pm_clk_destroy
+ pm_clk_resume
+ pm_clk_suspend
+ pm_generic_resume
+ pm_generic_runtime_resume
+ pm_generic_runtime_suspend
+ pm_generic_suspend
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_genpd_remove
+ pm_genpd_remove_subdomain
+ pm_power_off
+ pm_relax
+ pm_runtime_allow
+ pm_runtime_autosuspend_expiration
+ pm_runtime_barrier
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ pm_runtime_get_if_active
+ pm_runtime_irq_safe
+ pm_runtime_no_callbacks
+ pm_runtime_set_autosuspend_delay
+ pm_stay_awake
+ pm_suspend_global_flags
+ pm_system_wakeup
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ policy_has_boost_freq
+ power_supply_changed
+ power_supply_get_by_name
+ power_supply_get_by_phandle_array
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_is_system_supplied
+ power_supply_put
+ power_supply_reg_notifier
+ power_supply_register
+ power_supply_set_property
+ power_supply_unreg_notifier
+ power_supply_unregister
+ prandom_bytes
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ printk_deferred
+ printk_timed_ratelimit
+ proc_create
+ proc_create_data
+ proc_create_single_data
+ proc_dointvec
+ proc_dointvec_minmax
+ proc_dostring
+ proc_douintvec_minmax
+ proc_mkdir
+ proc_mkdir_data
+ proc_remove
+ proc_set_size
+ proc_set_user
+ proc_symlink
+ proto_register
+ proto_unregister
+ ps2_begin_command
+ ps2_cmd_aborted
+ ps2_command
+ ps2_drain
+ ps2_end_command
+ ps2_handle_ack
+ ps2_handle_response
+ ps2_init
+ ps2_sendbyte
+ ps2_sliced_command
+ pskb_expand_head
+ pstore_register
+ pstore_unregister
+ public_key_verify_signature
+ put_device
+ put_disk
+ put_iova_domain
+ put_pid
+ put_sg_io_hdr
+ put_tty_driver
+ put_unused_fd
+ put_vaddr_frames
+ pwm_apply_state
+ pwm_get_chip_data
+ pwm_set_chip_data
+ pwmchip_add
+ pwmchip_remove
+ qcom_smem_state_get
+ qcom_smem_state_register
+ qcom_smem_state_unregister
+ qcom_smem_state_update_bits
+ qdisc_reset
+ queue_delayed_work_on
+ queue_work_on
+ radix_tree_delete
+ radix_tree_insert
+ radix_tree_iter_delete
+ radix_tree_iter_resume
+ radix_tree_lookup
+ radix_tree_maybe_preload
+ radix_tree_next_chunk
+ radix_tree_tagged
+ rational_best_approximation
+ raw_notifier_call_chain
+ raw_notifier_chain_register
+ raw_notifier_chain_unregister
+ rb_erase
+ rb_first
+ rb_first_postorder
+ rb_insert_color
+ rb_last
+ rb_next
+ rb_next_postorder
+ rb_prev
+ rb_replace_node
+ rcu_barrier
+ rcu_barrier_tasks
+ rcu_barrier_tasks_trace
+ rcu_bind_current_to_nocb
+ rcu_cpu_stall_suppress
+ rcu_cpu_stall_suppress_at_boot
+ rcu_expedite_gp
+ rcu_force_quiescent_state
+ rcu_fwd_progress_check
+ rcu_get_gp_kthreads_prio
+ rcu_get_gp_seq
+ rcu_gp_is_expedited
+ rcu_gp_is_normal
+ rcu_gp_set_torture_wait
+ rcu_inkernel_boot_has_ended
+ rcu_is_watching
+ rcu_jiffies_till_stall_check
+ rcu_read_unlock_trace_special
+ rcu_unexpedite_gp
+ rcutorture_get_gp_data
+ rcuwait_wake_up
+ rdev_get_drvdata
+ rdev_get_id
+ reboot_mode
+ reciprocal_value
+ refcount_dec_and_lock
+ refcount_dec_and_mutex_lock
+ refcount_dec_not_one
+ refcount_warn_saturate
+ refresh_frequency_limits
+ regcache_cache_bypass
+ regcache_cache_only
+ regcache_drop_region
+ regcache_mark_dirty
+ regcache_sync
+ regcache_sync_region
+ register_blkdev
+ register_chrdev_region
+ register_console
+ register_die_notifier
+ register_filesystem
+ register_ftrace_export
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_kernel_break_hook
+ register_kprobe
+ register_kretprobe
+ register_memory_notifier
+ register_module_notifier
+ register_net_sysctl
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_netevent_notifier
+ register_oom_notifier
+ register_pernet_device
+ register_pernet_subsys
+ register_pm_notifier
+ register_reboot_notifier
+ register_restart_handler
+ register_shrinker
+ register_syscore_ops
+ register_sysctl
+ register_sysctl_table
+ register_virtio_device
+ register_virtio_driver
+ register_vmap_purge_notifier
+ regmap_add_irq_chip
+ regmap_async_complete
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_check_range_table
+ regmap_del_irq_chip
+ regmap_exit
+ regmap_field_read
+ regmap_field_update_bits_base
+ regmap_get_device
+ regmap_irq_get_domain
+ regmap_irq_get_virq
+ regmap_mmio_detach_clk
+ regmap_multi_reg_write
+ regmap_multi_reg_write_bypassed
+ regmap_raw_read
+ regmap_raw_write
+ regmap_raw_write_async
+ regmap_read
+ regmap_register_patch
+ regmap_update_bits_base
+ regmap_write
+ regulator_allow_bypass
+ regulator_bulk_disable
+ regulator_bulk_enable
+ regulator_bulk_get
+ regulator_count_voltages
+ regulator_disable
+ regulator_disable_deferred
+ regulator_disable_regmap
+ regulator_enable
+ regulator_enable_regmap
+ regulator_force_disable
+ regulator_get
+ regulator_get_current_limit
+ regulator_get_drvdata
+ regulator_get_mode
+ regulator_get_optional
+ regulator_get_voltage
+ regulator_get_voltage_rdev
+ regulator_get_voltage_sel_regmap
+ regulator_is_enabled
+ regulator_is_enabled_regmap
+ regulator_is_supported_voltage
+ regulator_list_voltage_linear
+ regulator_list_voltage_linear_range
+ regulator_list_voltage_table
+ regulator_map_voltage_ascend
+ regulator_map_voltage_linear
+ regulator_notifier_call_chain
+ regulator_put
+ regulator_register
+ regulator_register_notifier
+ regulator_set_current_limit
+ regulator_set_load
+ regulator_set_mode
+ regulator_set_voltage
+ regulator_set_voltage_sel_regmap
+ regulator_unregister
+ regulator_unregister_notifier
+ release_firmware
+ release_pages
+ release_sock
+ remap_pfn_range
+ remap_vmalloc_range
+ remove_cpu
+ remove_memory_subsection
+ remove_proc_entry
+ remove_wait_queue
+ report_iommu_fault
+ request_any_context_irq
+ request_firmware
+ request_firmware_direct
+ request_firmware_into_buf
+ request_firmware_nowait
+ request_threaded_irq
+ resched_curr
+ reservation_ww_class
+ reset_control_assert
+ reset_control_deassert
+ reset_control_put
+ reset_control_reset
+ resume_cpus
+ return_address
+ revalidate_disk_size
+ rfkill_alloc
+ rfkill_destroy
+ rfkill_find_type
+ rfkill_init_sw_state
+ rfkill_register
+ rfkill_set_sw_state
+ rfkill_unregister
+ rhashtable_destroy
+ rhashtable_init
+ rhashtable_insert_slow
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ rndis_deregister
+ rndis_free_response
+ rndis_get_next_response
+ rndis_msg_parser
+ rndis_register
+ rndis_set_host_mac
+ rndis_set_param_dev
+ rndis_set_param_medium
+ rndis_set_param_vendor
+ rndis_signal_connect
+ rndis_uninit
+ root_task_group
+ round_jiffies_relative
+ round_jiffies_up
+ rpmsg_get_signals
+ rpmsg_poll
+ rpmsg_register_device
+ rpmsg_send
+ rpmsg_set_signals
+ rpmsg_trysend
+ rpmsg_unregister_device
+ rproc_add
+ rproc_add_subdev
+ rproc_alloc
+ rproc_boot
+ rproc_coredump_add_custom_segment
+ rproc_coredump_add_segment
+ rproc_coredump_set_elf_info
+ rproc_coredump_using_sections
+ rproc_del
+ rproc_elf_get_boot_addr
+ rproc_free
+ rproc_get_by_child
+ rproc_get_by_phandle
+ rproc_put
+ rproc_remove_subdev
+ rproc_report_crash
+ rproc_shutdown
+ rps_needed
+ rt_mutex_lock
+ rt_mutex_trylock
+ rt_mutex_unlock
+ rtc_class_close
+ rtc_class_open
+ rtc_read_time
+ rtc_set_time
+ rtc_time64_to_tm
+ rtc_tm_to_time64
+ rtc_update_irq
+ rtc_valid_tm
+ rtc_year_days
+ rtnl_is_locked
+ rtnl_link_register
+ rtnl_link_unregister
+ rtnl_lock
+ rtnl_register_module
+ rtnl_trylock
+ rtnl_unicast
+ rtnl_unlock
+ rtnl_unregister
+ runqueues
+ sb800_prefetch
+ sbitmap_queue_min_shallow_depth
+ sched_clock
+ sched_feat_keys
+ sched_feat_names
+ sched_set_fifo
+ sched_set_fifo_low
+ sched_set_normal
+ sched_setattr
+ sched_setattr_nocheck
+ sched_setscheduler
+ sched_setscheduler_nocheck
+ sched_show_task
+ sched_trace_cfs_rq_avg
+ sched_trace_cfs_rq_cpu
+ sched_trace_cfs_rq_path
+ sched_trace_rd_span
+ sched_trace_rq_avg_dl
+ sched_trace_rq_avg_irq
+ sched_trace_rq_avg_rt
+ sched_trace_rq_cpu
+ sched_uclamp_used
+ schedule
+ schedule_hrtimeout
+ schedule_timeout
+ schedule_timeout_interruptible
+ schedule_timeout_uninterruptible
+ scnprintf
+ scsi_autopm_get_device
+ scsi_autopm_put_device
+ scsi_block_requests
+ scsi_block_when_processing_errors
+ scsi_command_size_tbl
+ scsi_compat_ioctl
+ scsi_device_get
+ scsi_device_put
+ scsi_device_quiesce
+ scsi_dma_unmap
+ scsi_eh_ready_devs
+ scsi_ioctl
+ scsi_ioctl_block_when_processing_errors
+ scsi_normalize_sense
+ scsi_print_sense_hdr
+ scsi_register_interface
+ scsi_remove_device
+ scsi_unblock_requests
+ sdev_prefix_printk
+ sdhci_add_host
+ sdhci_cleanup_host
+ sdhci_cqe_disable
+ sdhci_cqe_enable
+ sdhci_cqe_irq
+ sdhci_enable_clk
+ sdhci_get_property
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_remove_host
+ sdhci_reset
+ sdhci_set_bus_width
+ sdhci_set_power_noreg
+ sdhci_setup_host
+ sdio_claim_host
+ sdio_disable_func
+ sdio_enable_func
+ sdio_f0_readb
+ sdio_f0_writeb
+ sdio_get_host_pm_caps
+ sdio_memcpy_fromio
+ sdio_memcpy_toio
+ sdio_readsb
+ sdio_register_driver
+ sdio_release_host
+ sdio_set_block_size
+ sdio_set_host_pm_flags
+ sdio_signal_irq
+ sdio_unregister_driver
+ sdio_writesb
+ securityfs_create_dir
+ securityfs_create_file
+ securityfs_remove
+ send_sig_info
+ seq_buf_printf
+ seq_file_path
+ seq_hex_dump
+ seq_list_next
+ seq_list_start
+ seq_lseek
+ seq_open
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ seq_release_private
+ seq_vprintf
+ seq_write
+ serdev_device_close
+ serdev_device_open
+ serdev_device_set_baudrate
+ serdev_device_set_flow_control
+ serdev_device_wait_until_sent
+ serdev_device_write
+ serdev_device_write_wakeup
+ serio_close
+ serio_interrupt
+ serio_open
+ serio_reconnect
+ serio_rescan
+ serio_unregister_child_port
+ serio_unregister_driver
+ serio_unregister_port
+ set_blocksize
+ set_capacity_revalidate_and_notify
+ set_cpus_allowed_ptr
+ set_disk_ro
+ set_freezable
+ set_normalized_timespec64
+ set_page_dirty
+ set_page_dirty_lock
+ set_task_cpu
+ set_user_nice
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ sg_nents_for_len
+ sg_next
+ sg_pcopy_from_buffer
+ sg_pcopy_to_buffer
+ sg_scsi_ioctl
+ sg_zero_buffer
+ sgl_alloc
+ sgl_free
+ shmem_truncate_range
+ show_rcu_gp_kthreads
+ show_regs
+ si_mem_available
+ si_meminfo
+ si_swapinfo
+ sigprocmask
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_dir_inode_operations
+ simple_dir_operations
+ simple_open
+ simple_read_from_buffer
+ simple_statfs
+ simple_strtol
+ simple_strtoll
+ simple_strtoul
+ simple_strtoull
+ simple_write_to_buffer
+ single_open
+ single_open_size
+ single_release
+ sk_alloc
+ sk_free
+ skb_add_rx_frag
+ skb_append_pagefrags
+ skb_checksum
+ skb_clone
+ skb_coalesce_rx_frag
+ skb_copy
+ skb_copy_bits
+ skb_copy_datagram_iter
+ skb_copy_expand
+ skb_copy_ubufs
+ skb_dequeue
+ skb_dequeue_tail
+ skb_ensure_writable
+ skb_free_datagram
+ skb_page_frag_refill
+ skb_partial_csum_set
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_realloc_headroom
+ skb_recv_datagram
+ skb_set_owner_w
+ skb_store_bits
+ skb_to_sgvec
+ skb_trim
+ skb_tstamp_tx
+ skb_unlink
+ skip_spaces
+ smp_call_function
+ smp_call_function_any
+ smp_call_function_many
+ smp_call_function_single
+ smp_call_function_single_async
+ smp_call_on_cpu
+ smpboot_register_percpu_thread
+ smpboot_unregister_percpu_thread
+ snd_card_disconnect
+ snd_card_free
+ snd_card_new
+ snd_card_register
+ snd_card_rw_proc_new
+ snd_component_add
+ snd_compr_stop_error
+ snd_ctl_add
+ snd_ctl_add_vmaster_hook
+ snd_ctl_apply_vmaster_followers
+ snd_ctl_boolean_mono_info
+ snd_ctl_boolean_stereo_info
+ snd_ctl_enum_info
+ snd_ctl_find_id
+ snd_ctl_make_virtual_master
+ snd_ctl_new1
+ snd_ctl_notify
+ snd_ctl_remove
+ snd_ctl_remove_id
+ snd_ctl_sync_vmaster
+ snd_device_disconnect
+ snd_device_free
+ snd_device_new
+ snd_dma_alloc_pages
+ snd_dma_free_pages
+ snd_dmaengine_pcm_prepare_slave_config
+ snd_hwdep_new
+ snd_info_create_card_entry
+ snd_info_create_module_entry
+ snd_info_free_entry
+ snd_info_register
+ snd_interval_refine
+ snd_jack_new
+ snd_jack_report
+ snd_jack_set_key
+ snd_pci_quirk_lookup
+ snd_pcm_add_chmap_ctls
+ snd_pcm_alt_chmaps
+ snd_pcm_create_iec958_consumer_hw_params
+ snd_pcm_format_physical_width
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_eld
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_constraint_list
+ snd_pcm_hw_constraint_minmax
+ snd_pcm_hw_constraint_msbits
+ snd_pcm_hw_constraint_step
+ snd_pcm_hw_limit_rates
+ snd_pcm_hw_rule_add
+ snd_pcm_lib_default_mmap
+ snd_pcm_lib_free_pages
+ snd_pcm_lib_ioctl
+ snd_pcm_lib_malloc_pages
+ snd_pcm_lib_preallocate_free_for_all
+ snd_pcm_lib_preallocate_pages
+ snd_pcm_new
+ snd_pcm_period_elapsed
+ snd_pcm_rate_range_to_bits
+ snd_pcm_set_managed_buffer_all
+ snd_pcm_set_ops
+ snd_pcm_set_sync
+ snd_pcm_std_chmaps
+ snd_pcm_stream_lock
+ snd_pcm_stream_unlock
+ snd_pcm_stream_unlock_irqrestore
+ snd_soc_add_card_controls
+ snd_soc_add_component_controls
+ snd_soc_add_dai_controls
+ snd_soc_bytes_info_ext
+ snd_soc_bytes_tlv_callback
+ snd_soc_card_get_kcontrol
+ snd_soc_card_jack_new
+ snd_soc_component_async_complete
+ snd_soc_component_disable_pin
+ snd_soc_component_exit_regmap
+ snd_soc_component_force_enable_pin
+ snd_soc_component_init_regmap
+ snd_soc_component_read
+ snd_soc_component_set_jack
+ snd_soc_component_set_pll
+ snd_soc_component_set_sysclk
+ snd_soc_component_update_bits
+ snd_soc_component_update_bits_async
+ snd_soc_component_write
+ snd_soc_dai_get_channel_map
+ snd_soc_dai_link_set_capabilities
+ snd_soc_dai_set_bclk_ratio
+ snd_soc_dai_set_channel_map
+ snd_soc_dai_set_fmt
+ snd_soc_dai_set_pll
+ snd_soc_dai_set_sysclk
+ snd_soc_dai_set_tdm_slot
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_disable_pin_unlocked
+ snd_soc_dapm_enable_pin
+ snd_soc_dapm_force_enable_pin
+ snd_soc_dapm_force_enable_pin_unlocked
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_pin_status
+ snd_soc_dapm_get_pin_switch
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_ignore_suspend
+ snd_soc_dapm_info_pin_switch
+ snd_soc_dapm_kcontrol_dapm
+ snd_soc_dapm_kcontrol_widget
+ snd_soc_dapm_mixer_update_power
+ snd_soc_dapm_mux_update_power
+ snd_soc_dapm_new_control
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_new_widgets
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_pin_switch
+ snd_soc_dapm_put_volsw
+ snd_soc_dapm_sync
+ snd_soc_dapm_sync_unlocked
+ snd_soc_dapm_weak_routes
+ snd_soc_find_dai
+ snd_soc_get_enum_double
+ snd_soc_get_pcm_runtime
+ snd_soc_get_volsw
+ snd_soc_get_volsw_range
+ snd_soc_get_volsw_sx
+ snd_soc_get_xr_sx
+ snd_soc_info_enum_double
+ snd_soc_info_multi_ext
+ snd_soc_info_volsw
+ snd_soc_info_volsw_range
+ snd_soc_info_volsw_sx
+ snd_soc_info_xr_sx
+ snd_soc_jack_add_gpios
+ snd_soc_jack_report
+ snd_soc_lookup_component
+ snd_soc_new_compress
+ snd_soc_of_get_dai_link_codecs
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_parse_audio_simple_widgets
+ snd_soc_of_parse_aux_devs
+ snd_soc_of_parse_card_name
+ snd_soc_of_parse_daifmt
+ snd_soc_of_parse_node_prefix
+ snd_soc_of_parse_tdm_slot
+ snd_soc_of_put_dai_link_codecs
+ snd_soc_params_to_bclk
+ snd_soc_params_to_frame_size
+ snd_soc_pm_ops
+ snd_soc_put_enum_double
+ snd_soc_put_volsw
+ snd_soc_put_volsw_range
+ snd_soc_put_volsw_sx
+ snd_soc_put_xr_sx
+ snd_soc_register_card
+ snd_soc_register_component
+ snd_soc_rtdcom_lookup
+ snd_soc_runtime_calc_hw
+ snd_soc_runtime_set_dai_fmt
+ snd_soc_set_runtime_hwparams
+ snd_soc_tplg_component_load
+ snd_soc_tplg_component_remove
+ snd_soc_tplg_widget_bind_event
+ snd_soc_unregister_card
+ snd_soc_unregister_component
+ snd_usb_enable_audio_stream
+ snd_vendor_set_ops
+ snprintf
+ soc_device_register
+ soc_device_unregister
+ sock_alloc_send_skb
+ sock_create_kern
+ sock_gettstamp
+ sock_i_uid
+ sock_init_data
+ sock_no_accept
+ sock_no_listen
+ sock_no_mmap
+ sock_no_sendpage
+ sock_no_shutdown
+ sock_no_socketpair
+ sock_queue_rcv_skb
+ sock_register
+ sock_release
+ sock_setsockopt
+ sock_unregister
+ sock_wfree
+ softnet_data
+ sort
+ spi_bus_lock
+ spi_bus_type
+ spi_bus_unlock
+ spi_controller_resume
+ spi_controller_suspend
+ spi_delay_exec
+ spi_finalize_current_message
+ spi_finalize_current_transfer
+ spi_get_next_queued_message
+ spi_register_controller
+ spi_setup
+ spi_sync
+ spi_sync_locked
+ spi_unregister_controller
+ split_page
+ spmi_controller_add
+ spmi_controller_alloc
+ spmi_controller_remove
+ spmi_ext_register_read
+ spmi_ext_register_readl
+ spmi_ext_register_write
+ spmi_ext_register_writel
+ spmi_register_read
+ spmi_register_write
+ spmi_register_zero_write
+ sprint_symbol
+ sprint_symbol_no_offset
+ sprintf
+ srcu_barrier
+ srcu_batches_completed
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+ srcu_torture_stats_print
+ srcutorture_get_gp_data
+ sscanf
+ stack_trace_print
+ stack_trace_save
+ stack_trace_save_regs
+ stack_trace_save_tsk
+ static_key_disable
+ static_key_disable_cpuslocked
+ static_key_slow_dec
+ static_key_slow_inc
+ stop_machine
+ stop_one_cpu_nowait
+ stpcpy
+ strcasecmp
+ strcat
+ strchr
+ strchrnul
+ strcmp
+ strcpy
+ strcspn
+ stream_open
+ strim
+ string_get_size
+ strlcat
+ strlcpy
+ strlen
+ strncasecmp
+ strncat
+ strnchr
+ strncmp
+ strncpy
+ strncpy_from_user
+ strndup_user
+ strnlen
+ strnstr
+ strpbrk
+ strrchr
+ strreplace
+ strscpy
+ strsep
+ strspn
+ strstr
+ submit_bh
+ submit_bio
+ submit_bio_wait
+ subsys_system_register
+ swiotlb_nr_tbl
+ sync_blockdev
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ synchronize_rcu_expedited
+ synchronize_rcu_tasks
+ synchronize_rcu_tasks_trace
+ synchronize_srcu
+ synchronize_srcu_expedited
+ sys_tz
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_phandle
+ sysctl_sched_features
+ sysctl_sched_latency
+ sysctl_vals
+ sysfs_add_file_to_group
+ sysfs_add_link_to_group
+ sysfs_create_bin_file
+ sysfs_create_file_ns
+ sysfs_create_files
+ sysfs_create_group
+ sysfs_create_groups
+ sysfs_create_link
+ sysfs_emit
+ sysfs_emit_at
+ sysfs_notify
+ sysfs_remove_bin_file
+ sysfs_remove_file_from_group
+ sysfs_remove_file_ns
+ sysfs_remove_files
+ sysfs_remove_group
+ sysfs_remove_groups
+ sysfs_remove_link
+ sysfs_remove_link_from_group
+ sysfs_streq
+ sysfs_update_group
+ sysrq_mask
+ system_freezable_wq
+ system_freezing_cnt
+ system_highpri_wq
+ system_long_wq
+ system_power_efficient_wq
+ system_state
+ system_unbound_wq
+ system_wq
+ task_active_pid_ns
+ task_groups
+ task_may_not_preempt
+ task_rq_lock
+ tasklet_init
+ tasklet_kill
+ tasklet_setup
+ tasklist_lock
+ tcp_register_congestion_control
+ tcp_reno_cong_avoid
+ tcp_reno_ssthresh
+ tcp_reno_undo_cwnd
+ tcp_slow_start
+ tcp_unregister_congestion_control
+ tcpci_get_tcpm_port
+ tcpci_irq
+ tcpci_register_port
+ tcpci_unregister_port
+ tcpm_cc_change
+ tcpm_is_toggling
+ tcpm_pd_hard_reset
+ tcpm_pd_receive
+ tcpm_pd_transmit_complete
+ tcpm_sink_frs
+ tcpm_sourcing_vbus
+ tcpm_update_sink_capabilities
+ tcpm_vbus_change
+ thermal_cdev_update
+ thermal_cooling_device_register
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+ thermal_pressure
+ thermal_zone_device_disable
+ thermal_zone_device_enable
+ thermal_zone_device_is_enabled
+ thermal_zone_device_register
+ thermal_zone_device_unregister
+ thermal_zone_device_update
+ thermal_zone_get_slope
+ thermal_zone_get_temp
+ thermal_zone_get_zone_by_name
+ thermal_zone_of_sensor_register
+ thermal_zone_of_sensor_unregister
+ thread_group_cputime_adjusted
+ tick_nohz_get_idle_calls_cpu
+ tick_nohz_get_sleep_length
+ time64_to_tm
+ timecounter_init
+ timecounter_read
+ timer_unstable_counter_workaround
+ topology_set_thermal_pressure
+ total_swapcache_pages
+ trace_clock_local
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ trace_output_call
+ trace_print_array_seq
+ trace_print_flags_seq
+ trace_print_hex_seq
+ trace_print_symbols_seq
+ trace_raw_output_prep
+ trace_seq_printf
+ trace_seq_putc
+ tracepoint_probe_register
+ tracepoint_probe_register_prio
+ tracepoint_probe_unregister
+ tracing_off
+ try_module_get
+ try_to_del_timer_sync
+ try_wait_for_completion
+ ttm_bo_bulk_move_lru_tail
+ ttm_bo_device_init
+ ttm_bo_device_release
+ ttm_bo_dma_acc_size
+ ttm_bo_evict_mm
+ ttm_bo_eviction_valuable
+ ttm_bo_glob
+ ttm_bo_init_reserved
+ ttm_bo_kmap
+ ttm_bo_kunmap
+ ttm_bo_lock_delayed_workqueue
+ ttm_bo_mem_space
+ ttm_bo_mmap
+ ttm_bo_mmap_obj
+ ttm_bo_move_accel_cleanup
+ ttm_bo_move_memcpy
+ ttm_bo_move_to_lru_tail
+ ttm_bo_move_ttm
+ ttm_bo_put
+ ttm_bo_unlock_delayed_workqueue
+ ttm_bo_validate
+ ttm_dma_page_alloc_debugfs
+ ttm_dma_populate
+ ttm_dma_tt_fini
+ ttm_dma_unpopulate
+ ttm_eu_backoff_reservation
+ ttm_eu_fence_buffer_objects
+ ttm_eu_reserve_buffers
+ ttm_page_alloc_debugfs
+ ttm_populate_and_map_pages
+ ttm_range_man_fini
+ ttm_range_man_init
+ ttm_resource_free
+ ttm_resource_manager_force_list_clean
+ ttm_resource_manager_init
+ ttm_sg_tt_init
+ ttm_tt_destroy_common
+ ttm_tt_populate
+ ttm_tt_set_placement_caching
+ ttm_unmap_and_unpopulate_pages
+ tty_flip_buffer_push
+ tty_insert_flip_string_fixed_flag
+ tty_kref_put
+ tty_ldisc_deref
+ tty_ldisc_ref
+ tty_port_close
+ tty_port_destroy
+ tty_port_hangup
+ tty_port_init
+ tty_port_open
+ tty_port_register_device
+ tty_port_tty_get
+ tty_port_tty_wakeup
+ tty_register_driver
+ tty_set_operations
+ tty_standard_install
+ tty_std_termios
+ tty_termios_baud_rate
+ tty_termios_copy_hw
+ tty_termios_encode_baud_rate
+ tty_unregister_device
+ tty_unregister_driver
+ tty_vhangup
+ typec_altmode_get_partner
+ typec_altmode_update_active
+ typec_get_drvdata
+ typec_partner_register_altmode
+ typec_port_register_altmode
+ typec_register_partner
+ typec_register_port
+ typec_set_data_role
+ typec_set_pwr_opmode
+ typec_set_pwr_role
+ typec_switch_get_drvdata
+ typec_switch_register
+ typec_switch_unregister
+ typec_unregister_altmode
+ typec_unregister_partner
+ typec_unregister_port
+ uart_add_one_port
+ uart_console_device
+ uart_console_write
+ uart_get_baud_rate
+ uart_insert_char
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ uclamp_eff_value
+ ucsi_connector_change
+ ucsi_create
+ ucsi_destroy
+ ucsi_get_drvdata
+ ucsi_register
+ ucsi_set_drvdata
+ ucsi_unregister
+ udp4_hwcsum
+ ufshcd_auto_hibern8_update
+ ufshcd_bkops_ctrl
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_dump_regs
+ ufshcd_fixup_dev_quirks
+ ufshcd_get_local_unipro_ver
+ ufshcd_get_pwr_dev_param
+ ufshcd_hold
+ ufshcd_map_desc_id_to_length
+ ufshcd_pltfrm_init
+ ufshcd_pltfrm_resume
+ ufshcd_pltfrm_runtime_idle
+ ufshcd_pltfrm_runtime_resume
+ ufshcd_pltfrm_runtime_suspend
+ ufshcd_pltfrm_shutdown
+ ufshcd_pltfrm_suspend
+ ufshcd_query_attr
+ ufshcd_query_attr_retry
+ ufshcd_query_descriptor_retry
+ ufshcd_query_flag
+ ufshcd_query_flag_retry
+ ufshcd_read_desc_param
+ ufshcd_release
+ ufshcd_remove
+ ufshcd_shutdown
+ ufshcd_system_resume
+ ufshcd_system_suspend
+ ufshcd_uic_hibern8_enter
+ ufshcd_uic_hibern8_exit
+ uio_unregister_device
+ unlock_page
+ unmap_mapping_range
+ unpin_user_page
+ unregister_blkdev
+ unregister_chrdev_region
+ unregister_console
+ unregister_die_notifier
+ unregister_filesystem
+ unregister_ftrace_export
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_kprobe
+ unregister_kretprobe
+ unregister_module_notifier
+ unregister_netdev
+ unregister_netdevice_many
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_netevent_notifier
+ unregister_oom_notifier
+ unregister_pernet_device
+ unregister_pernet_subsys
+ unregister_pm_notifier
+ unregister_reboot_notifier
+ unregister_restart_handler
+ unregister_rpmsg_driver
+ unregister_shrinker
+ unregister_syscore_ops
+ unregister_sysctl_table
+ unregister_virtio_device
+ unregister_virtio_driver
+ unregister_vmap_purge_notifier
+ up
+ up_read
+ up_write
+ update_devfreq
+ update_rq_clock
+ usb_add_function
+ usb_add_gadget
+ usb_add_gadget_udc
+ usb_add_hcd
+ usb_add_phy_dev
+ usb_alloc_coherent
+ usb_alloc_dev
+ usb_alloc_urb
+ usb_amd_dev_put
+ usb_amd_prefetch_quirk
+ usb_amd_pt_check_port
+ usb_amd_quirk_pll_check
+ usb_amd_quirk_pll_disable
+ usb_amd_quirk_pll_enable
+ usb_asmedia_modifyflowcontrol
+ usb_assign_descriptors
+ usb_autopm_get_interface
+ usb_autopm_get_interface_no_resume
+ usb_autopm_put_interface
+ usb_bulk_msg
+ usb_calc_bus_time
+ usb_choose_configuration
+ usb_composite_setup_continue
+ usb_control_msg
+ usb_copy_descriptors
+ usb_create_hcd
+ usb_debug_root
+ usb_decode_ctrl
+ usb_del_gadget_udc
+ usb_deregister
+ usb_deregister_dev
+ usb_disable_xhci_ports
+ usb_disabled
+ usb_enable_autosuspend
+ usb_enable_intel_xhci_ports
+ usb_ep_alloc_request
+ usb_ep_autoconfig
+ usb_ep_clear_halt
+ usb_ep_dequeue
+ usb_ep_disable
+ usb_ep_enable
+ usb_ep_fifo_flush
+ usb_ep_fifo_status
+ usb_ep_free_request
+ usb_ep_queue
+ usb_ep_set_halt
+ usb_ep_set_maxpacket_limit
+ usb_find_common_endpoints
+ usb_find_interface
+ usb_free_all_descriptors
+ usb_free_coherent
+ usb_free_urb
+ usb_function_register
+ usb_function_unregister
+ usb_gadget_giveback_request
+ usb_gadget_map_request_by_dev
+ usb_gadget_probe_driver
+ usb_gadget_set_state
+ usb_gadget_udc_reset
+ usb_gadget_unmap_request_by_dev
+ usb_gadget_unregister_driver
+ usb_gadget_vbus_connect
+ usb_gadget_vbus_disconnect
+ usb_gadget_vbus_draw
+ usb_gadget_wakeup
+ usb_get_dev
+ usb_get_dr_mode
+ usb_get_gadget_udc_name
+ usb_get_intf
+ usb_get_maximum_speed
+ usb_get_urb
+ usb_gstrings_attach
+ usb_hc_died
+ usb_hcd_check_unlink_urb
+ usb_hcd_end_port_resume
+ usb_hcd_giveback_urb
+ usb_hcd_irq
+ usb_hcd_is_primary_hcd
+ usb_hcd_link_urb_to_ep
+ usb_hcd_map_urb_for_dma
+ usb_hcd_pci_pm_ops
+ usb_hcd_pci_probe
+ usb_hcd_pci_remove
+ usb_hcd_pci_shutdown
+ usb_hcd_platform_shutdown
+ usb_hcd_poll_rh_status
+ usb_hcd_resume_root_hub
+ usb_hcd_start_port_resume
+ usb_hcd_unlink_urb_from_ep
+ usb_hcds_loaded
+ usb_hub_clear_tt_buffer
+ usb_hub_find_child
+ usb_ifnum_to_if
+ usb_initialize_gadget
+ usb_interface_id
+ usb_kill_urb
+ usb_match_id
+ usb_match_one_id
+ usb_otg_state_string
+ usb_phy_set_charger_current
+ usb_poison_anchored_urbs
+ usb_poison_urb
+ usb_put_dev
+ usb_put_function_instance
+ usb_put_hcd
+ usb_put_intf
+ usb_register_dev
+ usb_register_driver
+ usb_register_notify
+ usb_remove_hcd
+ usb_remove_phy
+ usb_role_switch_find_by_fwnode
+ usb_role_switch_get
+ usb_role_switch_get_drvdata
+ usb_role_switch_put
+ usb_role_switch_register
+ usb_role_switch_set_role
+ usb_role_switch_unregister
+ usb_root_hub_lost_power
+ usb_set_device_state
+ usb_set_interface
+ usb_show_dynids
+ usb_speed_string
+ usb_store_new_id
+ usb_string_id
+ usb_submit_urb
+ usb_unpoison_urb
+ usb_unregister_notify
+ usb_wakeup_notification
+ usbnet_change_mtu
+ usbnet_defer_kevent
+ usbnet_disconnect
+ usbnet_get_drvinfo
+ usbnet_get_endpoints
+ usbnet_get_link
+ usbnet_get_link_ksettings
+ usbnet_get_msglevel
+ usbnet_get_stats64
+ usbnet_link_change
+ usbnet_nway_reset
+ usbnet_open
+ usbnet_probe
+ usbnet_read_cmd
+ usbnet_read_cmd_nopm
+ usbnet_resume
+ usbnet_set_link_ksettings
+ usbnet_set_msglevel
+ usbnet_skb_return
+ usbnet_start_xmit
+ usbnet_stop
+ usbnet_suspend
+ usbnet_tx_timeout
+ usbnet_unlink_rx_urbs
+ usbnet_update_max_qlen
+ usbnet_write_cmd
+ usbnet_write_cmd_async
+ usbnet_write_cmd_nopm
+ usleep_range
+ uuid_gen
+ uuid_null
+ uuid_parse
+ v4l2_compat_ioctl32
+ v4l2_ctrl_find
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_handler_setup
+ v4l2_ctrl_log_status
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu
+ v4l2_device_register
+ v4l2_device_register_subdev
+ v4l2_device_set_name
+ v4l2_device_unregister
+ v4l2_device_unregister_subdev
+ v4l2_event_dequeue
+ v4l2_event_pending
+ v4l2_event_queue
+ v4l2_event_queue_fh
+ v4l2_event_subscribe
+ v4l2_event_unsubscribe
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_fh_open
+ v4l2_fh_release
+ v4l2_i2c_subdev_init
+ v4l2_m2m_buf_queue
+ v4l2_m2m_buf_remove
+ v4l2_m2m_ctx_init
+ v4l2_m2m_ctx_release
+ v4l2_m2m_dqbuf
+ v4l2_m2m_fop_mmap
+ v4l2_m2m_fop_poll
+ v4l2_m2m_get_curr_priv
+ v4l2_m2m_get_vq
+ v4l2_m2m_init
+ v4l2_m2m_ioctl_dqbuf
+ v4l2_m2m_ioctl_querybuf
+ v4l2_m2m_ioctl_reqbufs
+ v4l2_m2m_ioctl_streamoff
+ v4l2_m2m_ioctl_streamon
+ v4l2_m2m_job_finish
+ v4l2_m2m_mmap
+ v4l2_m2m_next_buf
+ v4l2_m2m_poll
+ v4l2_m2m_qbuf
+ v4l2_m2m_querybuf
+ v4l2_m2m_release
+ v4l2_m2m_reqbufs
+ v4l2_m2m_streamoff
+ v4l2_m2m_streamon
+ v4l2_m2m_try_schedule
+ v4l2_s_ctrl
+ v4l2_subdev_call_wrappers
+ v4l2_subdev_init
+ v4l_bound_align_image
+ vabits_actual
+ vb2_buffer_done
+ vb2_common_vm_ops
+ vb2_create_framevec
+ vb2_destroy_framevec
+ vb2_dqbuf
+ vb2_fop_mmap
+ vb2_fop_poll
+ vb2_fop_read
+ vb2_fop_release
+ vb2_ioctl_create_bufs
+ vb2_ioctl_dqbuf
+ vb2_ioctl_expbuf
+ vb2_ioctl_qbuf
+ vb2_ioctl_querybuf
+ vb2_ioctl_reqbufs
+ vb2_ioctl_streamoff
+ vb2_ioctl_streamon
+ vb2_mmap
+ vb2_ops_wait_finish
+ vb2_ops_wait_prepare
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_poll
+ vb2_prepare_buf
+ vb2_qbuf
+ vb2_querybuf
+ vb2_queue_init
+ vb2_queue_release
+ vb2_reqbufs
+ vb2_streamoff
+ vb2_streamon
+ vb2_vmalloc_memops
+ vb2_wait_for_all_buffers
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+ vfree
+ vfs_fsync_range
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_device_release_empty
+ video_ioctl2
+ video_unregister_device
+ virtio_check_driver_offered_feature
+ virtio_config_changed
+ virtio_device_freeze
+ virtio_device_restore
+ virtio_max_dma_size
+ virtio_transport_connect
+ virtio_transport_deliver_tap_pkt
+ virtio_transport_destruct
+ virtio_transport_dgram_allow
+ virtio_transport_dgram_bind
+ virtio_transport_dgram_dequeue
+ virtio_transport_dgram_enqueue
+ virtio_transport_do_socket_init
+ virtio_transport_free_pkt
+ virtio_transport_notify_buffer_size
+ virtio_transport_notify_poll_in
+ virtio_transport_notify_poll_out
+ virtio_transport_notify_recv_init
+ virtio_transport_notify_recv_post_dequeue
+ virtio_transport_notify_recv_pre_block
+ virtio_transport_notify_recv_pre_dequeue
+ virtio_transport_notify_send_init
+ virtio_transport_notify_send_post_enqueue
+ virtio_transport_notify_send_pre_block
+ virtio_transport_notify_send_pre_enqueue
+ virtio_transport_recv_pkt
+ virtio_transport_release
+ virtio_transport_shutdown
+ virtio_transport_stream_allow
+ virtio_transport_stream_dequeue
+ virtio_transport_stream_enqueue
+ virtio_transport_stream_has_data
+ virtio_transport_stream_has_space
+ virtio_transport_stream_is_active
+ virtio_transport_stream_rcvhiwat
+ virtqueue_add_inbuf
+ virtqueue_add_inbuf_ctx
+ virtqueue_add_outbuf
+ virtqueue_add_sgs
+ virtqueue_detach_unused_buf
+ virtqueue_disable_cb
+ virtqueue_enable_cb
+ virtqueue_enable_cb_delayed
+ virtqueue_enable_cb_prepare
+ virtqueue_get_avail_addr
+ virtqueue_get_buf
+ virtqueue_get_buf_ctx
+ virtqueue_get_desc_addr
+ virtqueue_get_used_addr
+ virtqueue_get_vring_size
+ virtqueue_is_broken
+ virtqueue_kick
+ virtqueue_kick_prepare
+ virtqueue_notify
+ virtqueue_poll
+ vm_event_states
+ vm_get_page_prot
+ vm_insert_page
+ vm_iomap_memory
+ vm_map_pages
+ vm_map_ram
+ vm_mmap
+ vm_munmap
+ vm_node_stat
+ vm_unmap_ram
+ vm_zone_stat
+ vmalloc
+ vmalloc_nr_pages
+ vmalloc_to_page
+ vmalloc_to_pfn
+ vmalloc_user
+ vmap
+ vmemdup_user
+ vmf_insert_mixed
+ vmf_insert_pfn
+ vmf_insert_pfn_prot
+ vprintk
+ vring_create_virtqueue
+ vring_del_virtqueue
+ vring_interrupt
+ vring_new_virtqueue
+ vring_transport_features
+ vscnprintf
+ vsnprintf
+ vsock_core_register
+ vsock_core_unregister
+ vsock_for_each_connected_socket
+ vsprintf
+ vunmap
+ vzalloc
+ vzalloc_node
+ wait_for_completion
+ wait_for_completion_interruptible
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_io_timeout
+ wait_for_completion_killable
+ wait_for_completion_killable_timeout
+ wait_for_completion_timeout
+ wait_woken
+ wake_up_if_idle
+ wake_up_process
+ wakeup_source_add
+ wakeup_source_create
+ wakeup_source_destroy
+ wakeup_source_register
+ wakeup_source_remove
+ wakeup_source_unregister
+ watchdog_init_timeout
+ watchdog_register_device
+ watchdog_set_restart_priority
+ watchdog_unregister_device
+ wireless_send_event
+ woken_wake_function
+ work_busy
+ ww_mutex_lock
+ ww_mutex_lock_interruptible
+ ww_mutex_unlock
+ xa_destroy
+ xa_erase
+ xa_find
+ xa_find_after
+ xa_load
+ xa_store
+ xdp_convert_zc_to_xdp_frame
+ xdp_do_flush
+ xdp_do_redirect
+ xdp_return_frame
+ xdp_return_frame_rx_napi
+ xdp_rxq_info_reg
+ xdp_rxq_info_reg_mem_model
+ xdp_rxq_info_unreg
+ xdp_warn
+ xfrm_state_lookup_byspi
+ xfrm_stateonly_find
+ xhci_add_endpoint
+ xhci_address_device
+ xhci_alloc_command
+ xhci_alloc_erst
+ xhci_check_trb_in_td_math
+ xhci_free_command
+ xhci_free_erst
+ xhci_gen_setup
+ xhci_get_endpoint_index
+ xhci_get_ep_ctx
+ xhci_get_slot_ctx
+ xhci_handle_event
+ xhci_init_driver
+ xhci_initialize_ring_info
+ xhci_link_segments
+ xhci_queue_stop_endpoint
+ xhci_resume
+ xhci_ring_alloc
+ xhci_ring_cmd_db
+ xhci_ring_free
+ xhci_run
+ xhci_segment_free
+ xhci_suspend
+ xhci_trb_virt_to_dma
+ xhci_update_erst_dequeue
+ xhci_vendor_get_ops
+ zone_watermark_ok
+ zone_watermark_ok_safe
diff --git a/android/abi_gki_aarch64_generic b/android/abi_gki_aarch64_generic
new file mode 100644
index 0000000..f19b326
--- /dev/null
+++ b/android/abi_gki_aarch64_generic
@@ -0,0 +1,2311 @@
+[abi_symbol_list]
+ add_cpu
+ add_timer
+ add_timer_on
+ add_wait_queue
+ adjust_managed_page_count
+ alarm_cancel
+ alarm_init
+ alarm_start_relative
+ alarmtimer_get_rtcdev
+ alarm_try_to_cancel
+ alloc_anon_inode
+ alloc_chrdev_region
+ __alloc_disk_node
+ alloc_etherdev_mqs
+ alloc_netdev_mqs
+ alloc_pages_exact
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_percpu_gfp
+ __alloc_skb
+ alloc_workqueue
+ amba_driver_register
+ amba_driver_unregister
+ android_rvh_probe_register
+ anon_inode_getfd
+ arc4_crypt
+ arc4_setkey
+ __arch_clear_user
+ __arch_copy_from_user
+ __arch_copy_in_user
+ __arch_copy_to_user
+ arch_timer_read_counter
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_smc
+ async_schedule_node_domain
+ async_synchronize_full_domain
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ autoremove_wake_function
+ available_idle_cpu
+ bcmp
+ bdget_disk
+ bdput
+ bin2hex
+ bio_add_page
+ bio_alloc_bioset
+ bio_associate_blkg
+ bio_chain
+ bio_endio
+ bio_init
+ bio_put
+ __bitmap_andnot
+ __bitmap_clear
+ __bitmap_equal
+ bitmap_from_arr32
+ __bitmap_or
+ bitmap_parse
+ bitmap_parselist
+ bitmap_print_to_pagebuf
+ bitmap_to_arr32
+ __bitmap_weight
+ blk_alloc_queue
+ blk_cleanup_queue
+ blkdev_get_by_dev
+ blkdev_put
+ blk_execute_rq_nowait
+ blk_get_request
+ blk_ksm_init_passthrough
+ blk_put_request
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_rq_map_user
+ blk_rq_map_user_iov
+ blk_rq_unmap_user
+ blk_status_to_errno
+ blk_verify_command
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run1
+ bpf_trace_run10
+ bpf_trace_run11
+ bpf_trace_run12
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bpf_trace_run7
+ bpf_trace_run8
+ bpf_trace_run9
+ build_skb
+ bus_find_device
+ bus_for_each_dev
+ bus_for_each_drv
+ bus_register
+ bus_register_notifier
+ bus_set_iommu
+ bus_unregister
+ bus_unregister_notifier
+ cache_line_size
+ call_rcu
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_add
+ cdev_alloc
+ cdev_del
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ __check_object_size
+ __class_create
+ class_destroy
+ class_interface_unregister
+ __class_register
+ class_unregister
+ clear_page
+ __ClearPageMovable
+ clk_disable
+ clk_enable
+ clk_get
+ __clk_get_hw
+ __clk_get_name
+ clk_get_parent
+ clk_get_rate
+ clk_hw_get_name
+ clk_hw_get_parent
+ __clk_is_enabled
+ clk_notifier_register
+ clk_notifier_unregister
+ clk_prepare
+ clk_put
+ clk_register
+ clk_register_clkdev
+ clk_register_fixed_factor
+ clk_register_fixed_rate
+ clk_register_gate
+ clk_set_rate
+ clk_unprepare
+ clockevents_config_and_register
+ clocks_calc_mult_shift
+ __clocksource_register_scale
+ __close_fd
+ cma_alloc
+ cma_for_each_area
+ cma_get_name
+ cma_release
+ compat_alloc_user_space
+ complete
+ complete_all
+ complete_and_exit
+ completion_done
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_unbind_all
+ config_ep_by_speed
+ config_group_init_type_name
+ console_suspend_enabled
+ console_trylock
+ console_unlock
+ __const_udelay
+ consume_skb
+ contig_page_data
+ _copy_from_iter
+ _copy_to_iter
+ __cpu_active_mask
+ cpu_all_bits
+ cpu_bit_bitmap
+ cpufreq_add_update_util_hook
+ cpufreq_cpu_get
+ cpufreq_cpu_get_raw
+ cpufreq_cpu_put
+ cpufreq_disable_fast_switch
+ cpufreq_driver_fast_switch
+ cpufreq_driver_resolve_freq
+ __cpufreq_driver_target
+ cpufreq_driver_target
+ cpufreq_enable_fast_switch
+ cpufreq_freq_transition_begin
+ cpufreq_freq_transition_end
+ cpufreq_frequency_table_verify
+ cpufreq_generic_attr
+ cpufreq_get
+ cpufreq_policy_transition_delay_us
+ cpufreq_quick_get
+ cpufreq_register_driver
+ cpufreq_register_governor
+ cpufreq_register_notifier
+ cpufreq_remove_update_util_hook
+ cpufreq_table_index_unsorted
+ cpufreq_this_cpu_can_update
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_setup_state_cpuslocked
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpuhp_tasks_frozen
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ cpu_latency_qos_update_request
+ cpumask_any_but
+ cpumask_next
+ cpumask_next_and
+ cpumask_next_wrap
+ cpu_number
+ __cpu_online_mask
+ cpu_pm_register_notifier
+ __cpu_possible_mask
+ cpupri_find_fitness
+ cpu_scale
+ cpus_read_lock
+ cpus_read_unlock
+ cpu_subsys
+ crc32_be
+ crc32_le
+ crc8
+ crc8_populate_msb
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_alloc_aead
+ crypto_alloc_base
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ crypto_alloc_sync_skcipher
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_destroy_tfm
+ __crypto_memneq
+ crypto_register_alg
+ crypto_register_scomp
+ crypto_shash_digest
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ crypto_unregister_alg
+ crypto_unregister_scomp
+ __crypto_xor
+ csum_ipv6_magic
+ csum_tcpudp_nofold
+ _ctype
+ debugfs_attr_read
+ debugfs_attr_write
+ debugfs_create_atomic_t
+ debugfs_create_bool
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_size_t
+ debugfs_create_u16
+ debugfs_create_u32
+ debugfs_create_u64
+ debugfs_create_u8
+ debugfs_create_x32
+ debugfs_lookup
+ debugfs_remove
+ debugfs_rename
+ dec_zone_page_state
+ default_llseek
+ deferred_free
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ desc_to_gpio
+ destroy_workqueue
+ dev_alloc_name
+ dev_change_net_namespace
+ dev_close
+ _dev_crit
+ dev_driver_string
+ _dev_emerg
+ _dev_err
+ dev_fetch_sw_netstats
+ devfreq_add_device
+ devfreq_add_governor
+ devfreq_monitor_resume
+ devfreq_monitor_start
+ devfreq_monitor_stop
+ devfreq_monitor_suspend
+ devfreq_recommended_opp
+ devfreq_register_opp_notifier
+ devfreq_remove_device
+ devfreq_unregister_opp_notifier
+ devfreq_update_interval
+ dev_fwnode
+ __dev_get_by_index
+ dev_get_by_index
+ dev_get_by_name
+ device_add
+ device_add_disk
+ device_add_groups
+ device_create
+ device_create_file
+ device_create_with_groups
+ device_del
+ device_destroy
+ device_find_child
+ device_for_each_child
+ device_get_dma_attr
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_link_del
+ device_property_present
+ device_property_read_string
+ device_property_read_string_array
+ device_property_read_u32_array
+ device_register
+ device_remove_file
+ device_remove_groups
+ device_rename
+ device_set_wakeup_capable
+ device_set_wakeup_enable
+ device_unregister
+ device_wakeup_enable
+ _dev_info
+ __dev_kfree_skb_any
+ devm_add_action
+ __devm_alloc_percpu
+ devm_backlight_device_register
+ devm_backlight_device_unregister
+ devm_blk_ksm_init
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_hw_register
+ devm_clk_hw_register_clkdev
+ devm_clk_put
+ devm_device_add_groups
+ __devm_drm_dev_alloc
+ devm_drm_panel_bridge_add_typed
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_free_irq
+ devm_free_percpu
+ devm_gen_pool_create
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_gpiod_get_array
+ devm_gpiod_get_optional
+ devm_gpiod_put_array
+ devm_gpio_free
+ devm_gpio_request
+ devm_gpio_request_one
+ devm_i2c_new_dummy_device
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ devm_ioremap
+ devm_ioremap_resource
+ devm_ioremap_wc
+ devm_iounmap
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_kstrdup
+ devm_kstrdup_const
+ devm_mfd_add_devices
+ devm_nvmem_register
+ devm_of_clk_add_hw_provider
+ __devm_of_phy_provider_register
+ devm_of_platform_populate
+ devm_phy_create
+ devm_phy_get
+ devm_phy_put
+ devm_pinctrl_get
+ devm_pinctrl_put
+ devm_pinctrl_register
+ devm_pinctrl_register_and_init
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ devm_power_supply_register
+ devm_pwm_get
+ devm_regmap_add_irq_chip
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_spi
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_exclusive
+ devm_regulator_get_optional
+ devm_regulator_put
+ devm_regulator_register
+ __devm_request_region
+ devm_request_threaded_irq
+ devm_rtc_device_register
+ devm_snd_soc_register_component
+ devm_thermal_of_cooling_device_register
+ devm_thermal_zone_of_sensor_register
+ devm_thermal_zone_of_sensor_unregister
+ devm_usb_get_phy_by_phandle
+ _dev_notice
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_opp_add
+ dev_pm_opp_disable
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_freq
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_register_em
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_regulators
+ dev_pm_opp_set_regulators
+ dev_pm_qos_read_value
+ dev_pm_qos_update_request
+ dev_printk
+ dev_printk_emit
+ dev_queue_xmit
+ devres_add
+ devres_alloc_node
+ devres_free
+ dev_set_name
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ disable_percpu_irq
+ disk_end_io_acct
+ disk_start_io_acct
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_begin_cpu_access_partial
+ dma_buf_detach
+ dma_buf_end_cpu_access
+ dma_buf_end_cpu_access_partial
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dma_buf_mmap
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dmaengine_unmap_put
+ dma_fence_add_callback
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_get_status
+ dma_fence_init
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ dma_fence_signal_locked
+ dma_free_attrs
+ dma_get_slave_caps
+ dma_get_slave_channel
+ dma_heap_add
+ dma_heap_buffer_alloc
+ dma_heap_find
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dma_heap_put
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_resource
+ dma_map_sg_attrs
+ dma_mmap_attrs
+ dma_pool_alloc
+ dma_pool_free
+ dma_release_channel
+ dma_request_chan
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_resource
+ dma_unmap_sg_attrs
+ do_SAK
+ do_wait_intr_irq
+ down
+ downgrade_write
+ down_interruptible
+ down_read
+ down_read_trylock
+ down_timeout
+ down_trylock
+ down_write
+ drain_workqueue
+ driver_create_file
+ driver_register
+ driver_remove_file
+ driver_unregister
+ drm_add_modes_noedid
+ drm_atomic_add_affected_connectors
+ drm_atomic_add_affected_planes
+ drm_atomic_commit
+ drm_atomic_get_connector_state
+ drm_atomic_get_crtc_state
+ drm_atomic_get_new_connector_for_encoder
+ drm_atomic_get_old_connector_for_encoder
+ drm_atomic_get_plane_state
+ drm_atomic_get_private_obj_state
+ drm_atomic_helper_bridge_destroy_state
+ drm_atomic_helper_bridge_duplicate_state
+ drm_atomic_helper_bridge_reset
+ drm_atomic_helper_check_modeset
+ drm_atomic_helper_check_planes
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit_cleanup_done
+ drm_atomic_helper_commit_duplicated_state
+ drm_atomic_helper_commit_hw_done
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ drm_atomic_helper_commit_tail
+ __drm_atomic_helper_connector_destroy_state
+ __drm_atomic_helper_connector_duplicate_state
+ __drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ __drm_atomic_helper_crtc_reset
+ drm_atomic_helper_disable_all
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_duplicate_state
+ drm_atomic_helper_fake_vblank
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_prepare_planes
+ __drm_atomic_helper_private_obj_duplicate_state
+ drm_atomic_helper_set_config
+ drm_atomic_helper_setup_commit
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_swap_state
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_dependencies
+ drm_atomic_helper_wait_for_fences
+ drm_atomic_helper_wait_for_flip_done
+ drm_atomic_nonblocking_commit
+ drm_atomic_normalize_zpos
+ drm_atomic_private_obj_fini
+ drm_atomic_private_obj_init
+ drm_atomic_set_crtc_for_connector
+ drm_atomic_set_crtc_for_plane
+ drm_atomic_set_fb_for_plane
+ drm_atomic_set_mode_for_crtc
+ drm_atomic_set_mode_prop_for_crtc
+ drm_atomic_state_alloc
+ drm_atomic_state_clear
+ __drm_atomic_state_free
+ drm_bridge_add
+ drm_bridge_attach
+ drm_bridge_chain_mode_set
+ drm_bridge_remove
+ drm_compat_ioctl
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_connector_register
+ drm_connector_unregister
+ drm_crtc_arm_vblank_event
+ drm_crtc_cleanup
+ __drm_crtc_commit_free
+ drm_crtc_enable_color_mgmt
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_count_and_time
+ drm_crtc_vblank_get
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ drm_crtc_wait_one_vblank
+ __drm_dbg
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_display_mode_to_videomode
+ drm_encoder_cleanup
+ drm_encoder_init
+ __drm_err
+ drm_event_cancel_free
+ drm_event_reserve_init
+ drm_format_info
+ drm_framebuffer_init
+ drm_gem_create_mmap_offset
+ drm_gem_fb_create_handle
+ drm_gem_fb_destroy
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_object_free
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_prime_import_dev
+ drm_gem_private_object_init
+ drm_gem_vm_close
+ drm_gem_vm_open
+ drm_get_format_info
+ drm_get_format_name
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_single_connector_modes
+ drm_ioctl
+ drm_kms_helper_hotplug_event
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drmm_kmalloc
+ drmm_mode_config_init
+ drm_mode_config_reset
+ drm_mode_convert_to_umode
+ drm_mode_copy
+ drm_mode_duplicate
+ drm_mode_equal
+ drm_mode_equal_no_clocks
+ drm_mode_object_find
+ drm_mode_object_get
+ drm_mode_object_put
+ drm_mode_probed_add
+ drm_modeset_acquire_fini
+ drm_modeset_acquire_init
+ drm_modeset_backoff
+ drm_modeset_drop_locks
+ drm_modeset_lock
+ drm_modeset_lock_all_ctx
+ drm_modeset_unlock
+ drm_mode_vrefresh
+ drm_object_attach_property
+ drm_open
+ drm_panel_add
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_init
+ drm_panel_prepare
+ drm_panel_remove
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_plane_create_alpha_property
+ drm_plane_create_blend_mode_property
+ drm_plane_create_rotation_property
+ drm_plane_create_zpos_property
+ drm_poll
+ drm_prime_gem_destroy
+ drm_printf
+ __drm_printfn_info
+ __drm_printfn_seq_file
+ drm_property_blob_get
+ drm_property_blob_put
+ drm_property_create
+ drm_property_create_bitmask
+ drm_property_create_blob
+ drm_property_create_bool
+ drm_property_create_enum
+ drm_property_create_range
+ drm_property_lookup_blob
+ drm_property_replace_blob
+ __drm_puts_seq_file
+ drm_read
+ drm_rect_clip_scaled
+ drm_rect_intersect
+ drm_release
+ drm_rotation_simplify
+ drm_self_refresh_helper_alter_state
+ drm_send_event
+ drm_send_event_locked
+ drm_universal_plane_init
+ drm_vblank_init
+ drm_writeback_connector_init
+ drm_writeback_queue_job
+ drm_writeback_signal_completion
+ dump_backtrace
+ dump_stack
+ dwc3_send_gadget_ep_cmd
+ dwc3_stop_active_transfer
+ dw_handle_msi_irq
+ dw_pcie_host_init
+ dw_pcie_msi_init
+ dw_pcie_read
+ dw_pcie_setup_rc
+ dw_pcie_write
+ __dynamic_dev_dbg
+ __dynamic_pr_debug
+ emergency_restart
+ enable_irq
+ enable_percpu_irq
+ ether_setup
+ eth_mac_addr
+ ethtool_op_get_link
+ eth_type_trans
+ eventfd_ctx_fdget
+ eventfd_ctx_put
+ eventfd_signal
+ event_triggers_call
+ extcon_get_edev_by_phandle
+ extcon_get_property
+ extcon_get_state
+ extcon_register_notifier
+ extcon_set_property
+ extcon_set_property_capability
+ extcon_set_state_sync
+ extcon_unregister_notifier
+ failure_tracking
+ fasync_helper
+ __fdget
+ fd_install
+ fget
+ file_path
+ filp_close
+ filp_open_block
+ find_extend_vma
+ find_get_pid
+ find_next_bit
+ find_next_zero_bit
+ find_task_by_vpid
+ find_vma
+ finish_wait
+ flush_dcache_page
+ flush_delayed_work
+ flush_work
+ flush_workqueue
+ fput
+ frame_vector_create
+ frame_vector_destroy
+ frame_vector_to_pages
+ free_irq
+ free_netdev
+ __free_pages
+ free_pages
+ free_pages_exact
+ free_percpu
+ free_percpu_irq
+ freezing_slow_path
+ freq_qos_add_request
+ freq_qos_remove_request
+ freq_qos_update_request
+ fs_bio_set
+ fsync_bdev
+ full_name_hash
+ fwnode_get_name
+ fwnode_gpiod_get_index
+ gcd
+ generic_file_llseek
+ generic_handle_irq
+ generic_iommu_put_resv_regions
+ genlmsg_multicast_allns
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_avail
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_first_fit_align
+ gen_pool_free_owner
+ gen_pool_size
+ get_cpu_device
+ get_cpu_idle_time
+ get_cpu_idle_time_us
+ get_cpu_iowait_time_us
+ get_device
+ __get_free_pages
+ get_governor_parent_kobj
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ get_pid_task
+ get_random_bytes
+ get_random_bytes_arch
+ get_random_u32
+ get_sg_io_hdr
+ __get_task_comm
+ get_thermal_instance
+ get_unused_fd_flags
+ get_user_pages
+ get_user_pages_fast
+ get_user_pages_remote
+ get_vaddr_frames
+ gic_nonsecure_priorities
+ glob_match
+ gov_attr_set_get
+ gov_attr_set_init
+ gov_attr_set_put
+ governor_sysfs_ops
+ gpiochip_generic_config
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_lock_as_irq
+ gpiochip_unlock_as_irq
+ gpiod_count
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_raw_value
+ gpiod_get_raw_value_cansleep
+ gpiod_get_value
+ gpiod_get_value_cansleep
+ gpiod_set_raw_value
+ gpiod_set_raw_value_cansleep
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_free
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ gserial_alloc_line
+ gserial_connect
+ gserial_disconnect
+ handle_edge_irq
+ handle_level_irq
+ handle_nested_irq
+ handle_simple_irq
+ handle_sysrq
+ have_governor_per_policy
+ hex2bin
+ hex_dump_to_buffer
+ hex_to_bin
+ hid_add_device
+ hid_allocate_device
+ hid_debug
+ hid_destroy_device
+ hid_input_report
+ hid_parse_report
+ hrtimer_active
+ hrtimer_cancel
+ hrtimer_forward
+ hrtimer_init
+ hrtimer_init_sleeper
+ hrtimer_sleeper_start_expires
+ hrtimer_start_range_ns
+ hrtimer_try_to_cancel
+ __hw_addr_init
+ __hw_addr_sync
+ __hw_addr_unsync
+ hwrng_register
+ hwrng_unregister
+ i2c_adapter_type
+ i2c_add_numbered_adapter
+ i2c_bus_type
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_for_each_dev
+ i2c_get_adapter
+ i2c_match_id
+ i2c_new_ancillary_device
+ i2c_new_client_device
+ i2c_new_dummy_device
+ i2c_put_adapter
+ i2c_register_driver
+ i2c_smbus_read_byte_data
+ i2c_smbus_write_byte_data
+ i2c_smbus_xfer
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ i2c_unregister_device
+ i2c_verify_client
+ ida_alloc_range
+ ida_free
+ idr_alloc
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_preload
+ idr_remove
+ iio_device_unregister
+ import_iovec
+ in6_pton
+ in_aton
+ inc_zone_page_state
+ inet_csk_get_port
+ init_dummy_netdev
+ init_net
+ init_pseudo
+ __init_rwsem
+ __init_swait_queue_head
+ init_task
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ __init_waitqueue_head
+ input_allocate_device
+ input_close_device
+ input_event
+ input_free_device
+ input_mt_destroy_slots
+ input_mt_init_slots
+ input_mt_report_slot_state
+ input_open_device
+ input_register_device
+ input_register_handle
+ input_register_handler
+ input_set_abs_params
+ input_set_capability
+ input_set_timestamp
+ input_unregister_device
+ input_unregister_handle
+ input_unregister_handler
+ int_sqrt
+ iomem_resource
+ iommu_alloc_resv_region
+ iommu_attach_group
+ iommu_aux_attach_device
+ iommu_aux_detach_device
+ iommu_aux_get_pasid
+ iommu_dev_enable_feature
+ iommu_dev_feature_enabled
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unlink
+ iommu_device_unregister
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_get_domain_for_dev
+ iommu_group_alloc
+ iommu_group_for_each_dev
+ iommu_group_get
+ iommu_group_get_iommudata
+ iommu_group_put
+ iommu_group_set_iommudata
+ iommu_group_set_name
+ iommu_iova_to_phys
+ iommu_map
+ iommu_map_sg
+ iommu_put_dma_cookie
+ iommu_register_device_fault_handler
+ iommu_report_device_fault
+ iommu_set_fault_handler
+ iommu_unmap
+ iommu_unregister_device_fault_handler
+ __ioremap
+ io_schedule_timeout
+ iounmap
+ iov_iter_bvec
+ ip_send_check
+ iput
+ __irq_alloc_descs
+ irq_create_mapping_affinity
+ irq_create_of_mapping
+ __irq_domain_add
+ irq_domain_remove
+ irq_domain_xlate_twocell
+ irq_find_mapping
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_chained_handler_and_data
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irq_type
+ irq_set_irq_wake
+ irq_to_desc
+ irq_work_queue
+ irq_work_sync
+ is_vmalloc_addr
+ jiffies
+ jiffies64_to_msecs
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_cpustat
+ kernel_kobj
+ kernel_param_lock
+ kernel_param_unlock
+ kernel_restart
+ kern_mount
+ kern_unmount
+ key_create_or_update
+ key_put
+ keyring_alloc
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_init
+ __kfifo_out
+ kfree
+ kfree_sensitive
+ kfree_skb
+ kfree_skb_list
+ kill_anon_super
+ kill_fasync
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kobject_add
+ kobject_create_and_add
+ kobject_del
+ kobject_init
+ kobject_init_and_add
+ kobject_put
+ kobject_uevent
+ kobject_uevent_env
+ kobj_sysfs_ops
+ krealloc
+ kstat
+ kstrdup
+ kstrndup
+ kstrtobool
+ kstrtobool_from_user
+ kstrtoint
+ kstrtoint_from_user
+ kstrtol_from_user
+ kstrtoll
+ kstrtos8
+ kstrtou16
+ kstrtou8
+ kstrtouint
+ kstrtouint_from_user
+ kstrtoull
+ kstrtoull_from_user
+ kthread_bind
+ kthread_bind_mask
+ kthread_cancel_delayed_work_sync
+ kthread_cancel_work_sync
+ kthread_create_on_node
+ kthread_create_worker
+ kthread_delayed_work_timer_fn
+ kthread_destroy_worker
+ kthread_flush_work
+ kthread_flush_worker
+ __kthread_init_worker
+ kthread_mod_delayed_work
+ kthread_queue_work
+ kthread_should_stop
+ kthread_stop
+ kthread_worker_fn
+ ktime_get
+ ktime_get_coarse_with_offset
+ ktime_get_mono_fast_ns
+ ktime_get_raw
+ ktime_get_raw_ts64
+ ktime_get_real_seconds
+ ktime_get_real_ts64
+ ktime_get_seconds
+ ktime_get_ts64
+ ktime_get_with_offset
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ led_classdev_register_ext
+ led_classdev_unregister
+ __list_add_valid
+ __list_del_entry_valid
+ list_sort
+ __local_bh_enable_ip
+ __lock_page
+ log_abnormal_wakeup_reason
+ __log_post_read_mmio
+ __log_read_mmio
+ log_threaded_irq_wakeup_reason
+ __log_write_mmio
+ loops_per_jiffy
+ lru_cache_disable
+ lru_cache_enable
+ lzo1x_1_compress
+ lzo1x_decompress_safe
+ lzorle1x_1_compress
+ mac_pton
+ mbox_chan_received_data
+ mbox_controller_register
+ mbox_controller_unregister
+ mbox_free_channel
+ mbox_request_channel
+ mbox_send_message
+ memcmp
+ memcpy
+ __memcpy_fromio
+ __memcpy_toio
+ memdup_user
+ memdup_user_nul
+ memmove
+ memparse
+ memremap
+ memset
+ memset64
+ memstart_addr
+ memunmap
+ mfd_add_devices
+ mfd_remove_devices
+ mipi_dsi_attach
+ mipi_dsi_compression_mode
+ mipi_dsi_create_packet
+ mipi_dsi_dcs_read
+ mipi_dsi_dcs_set_column_address
+ mipi_dsi_dcs_set_display_brightness
+ mipi_dsi_dcs_set_page_address
+ mipi_dsi_dcs_write_buffer
+ mipi_dsi_detach
+ mipi_dsi_device_register_full
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ mipi_dsi_packet_format_is_long
+ mipi_dsi_picture_parameter_set
+ misc_deregister
+ misc_register
+ mktime64
+ __mmdrop
+ mod_delayed_work_on
+ mod_timer
+ __module_get
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ msleep_interruptible
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_trylock
+ mutex_unlock
+ __napi_alloc_skb
+ napi_complete_done
+ napi_disable
+ napi_gro_flush
+ napi_gro_receive
+ __napi_schedule
+ napi_schedule_prep
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_set_default_ethtool_ops
+ netdev_state_change
+ netdev_update_features
+ netif_carrier_off
+ netif_carrier_on
+ netif_napi_add
+ __netif_napi_del
+ netif_receive_skb
+ netif_receive_skb_list
+ netif_rx
+ netif_rx_ni
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_broadcast
+ __netlink_kernel_create
+ netlink_kernel_release
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_ns_type_operations
+ net_ratelimit
+ nla_append
+ nla_find
+ nla_memcpy
+ __nla_parse
+ nla_put
+ nla_put_64bit
+ nla_put_nohdr
+ nla_reserve
+ nla_strlcpy
+ __nla_validate
+ __nlmsg_put
+ no_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ nr_irqs
+ nsec_to_clock_t
+ ns_to_timespec64
+ __num_online_cpus
+ nvmem_device_put
+ nvmem_device_read
+ nvmem_device_write
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_provider
+ of_clk_get
+ of_clk_get_by_name
+ of_clk_hw_simple_get
+ of_clk_src_onecell_get
+ of_count_phandle_with_args
+ of_cpu_node_to_id
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_dma_controller_free
+ of_dma_controller_register
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_i2c_adapter_by_node
+ of_find_i2c_device_by_node
+ of_find_matching_node_and_match
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_by_type
+ of_find_node_opts_by_path
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_provider_simple
+ of_get_child_by_name
+ of_get_cpu_node
+ of_get_dma_window
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_property
+ of_get_regulator_init_data
+ of_iomap
+ of_irq_find_parent
+ of_irq_get
+ of_irq_get_byname
+ of_irq_parse_one
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_n_addr_cells
+ of_node_name_eq
+ of_n_size_cells
+ of_nvmem_device_get
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_u64
+ of_property_read_u64_index
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u64_array
+ of_property_read_variable_u8_array
+ of_prop_next_string
+ of_prop_next_u32
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_device_release
+ of_reserved_mem_lookup
+ of_root
+ of_thermal_get_ntrips
+ of_thermal_get_trip_points
+ of_thermal_is_trip_valid
+ of_translate_address
+ of_usb_host_tpl_support
+ page_endio
+ page_mapping
+ __page_pinner_migration_failed
+ panic
+ panic_notifier_list
+ param_array_ops
+ param_ops_bool
+ param_ops_byte
+ param_ops_charp
+ param_ops_int
+ param_ops_long
+ param_ops_short
+ param_ops_string
+ param_ops_uint
+ param_ops_ulong
+ pause_cpus
+ pci_alloc_irq_vectors_affinity
+ pci_assign_resource
+ pci_clear_master
+ pci_disable_device
+ pci_enable_device
+ pci_enable_wake
+ pci_find_bus
+ pci_find_capability
+ pci_find_ext_capability
+ pci_free_irq_vectors
+ pci_get_device
+ pci_load_and_free_saved_state
+ pci_load_saved_state
+ pci_read_config_dword
+ pci_read_config_word
+ __pci_register_driver
+ pci_release_regions
+ pci_rescan_bus
+ pci_restore_msi_state
+ pci_restore_state
+ pci_save_state
+ pci_set_master
+ pci_set_power_state
+ pci_store_saved_state
+ pci_unregister_driver
+ pci_wake_from_d3
+ pci_write_config_dword
+ pci_write_config_word
+ PDE_DATA
+ __per_cpu_offset
+ perf_event_create_kernel_counter
+ perf_event_enable
+ perf_event_pause
+ perf_event_read_local
+ perf_event_read_value
+ perf_event_release_kernel
+ perf_event_update_userpage
+ perf_pmu_migrate_context
+ perf_pmu_register
+ perf_pmu_unregister
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_init
+ phy_power_off
+ phy_power_on
+ pid_task
+ pinconf_generic_dt_free_map
+ pinconf_generic_dt_node_to_map
+ pinctrl_add_gpio_range
+ pinctrl_dev_get_drvdata
+ pinctrl_enable
+ pinctrl_force_sleep
+ pinctrl_lookup_state
+ pinctrl_remove_gpio_range
+ pinctrl_select_state
+ pin_get_name
+ pin_user_pages
+ pin_user_pages_fast
+ pin_user_pages_remote
+ pktgen_xfrm_outer_mode_output
+ platform_bus_type
+ platform_device_add
+ platform_device_add_data
+ platform_device_add_properties
+ platform_device_add_resources
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_device_register
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_probe
+ __platform_driver_register
+ platform_driver_unregister
+ platform_find_device_by_driver
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_resource
+ platform_get_resource_byname
+ platform_irq_count
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_power_off
+ __pm_relax
+ pm_relax
+ pm_runtime_allow
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ pm_runtime_irq_safe
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ pm_stay_awake
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ power_supply_changed
+ power_supply_get_by_name
+ power_supply_get_by_phandle_array
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_put
+ power_supply_register
+ power_supply_reg_notifier
+ power_supply_set_property
+ power_supply_unregister
+ power_supply_unreg_notifier
+ prandom_bytes
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ printk_deferred
+ proc_create
+ proc_create_data
+ proc_create_single_data
+ proc_dointvec
+ proc_dostring
+ proc_douintvec_minmax
+ proc_mkdir
+ proc_mkdir_data
+ proc_remove
+ pskb_expand_head
+ __pskb_pull_tail
+ ___pskb_trim
+ put_device
+ put_disk
+ __put_net
+ __put_page
+ put_pid
+ put_sg_io_hdr
+ __put_task_struct
+ put_unused_fd
+ put_vaddr_frames
+ queue_delayed_work_on
+ queue_work_on
+ ___ratelimit
+ raw_notifier_call_chain
+ raw_notifier_chain_register
+ _raw_read_lock
+ _raw_read_lock_bh
+ _raw_read_lock_irqsave
+ _raw_read_unlock
+ _raw_read_unlock_bh
+ _raw_read_unlock_irqrestore
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ _raw_write_lock
+ _raw_write_lock_irq
+ _raw_write_lock_irqsave
+ _raw_write_unlock
+ _raw_write_unlock_irq
+ _raw_write_unlock_irqrestore
+ rb_erase
+ rb_first
+ rb_insert_color
+ rb_next
+ rb_prev
+ rb_replace_node
+ rcu_barrier
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_drvdata
+ rdev_get_id
+ refcount_warn_saturate
+ __refrigerator
+ regcache_cache_only
+ regcache_drop_region
+ regcache_mark_dirty
+ regcache_sync
+ register_blkdev
+ __register_chrdev
+ register_chrdev_region
+ register_console
+ register_die_notifier
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_kernel_break_hook
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_oom_notifier
+ register_pernet_device
+ register_pernet_subsys
+ register_pm_notifier
+ register_reboot_notifier
+ register_restart_handler
+ register_shrinker
+ register_syscore_ops
+ register_sysctl
+ register_sysctl_table
+ register_virtio_device
+ register_virtio_driver
+ regmap_async_complete
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_get_device
+ regmap_irq_get_virq
+ regmap_multi_reg_write
+ regmap_multi_reg_write_bypassed
+ regmap_raw_read
+ regmap_raw_write
+ regmap_raw_write_async
+ regmap_read
+ regmap_register_patch
+ regmap_update_bits_base
+ regmap_write
+ regulator_bulk_disable
+ regulator_bulk_enable
+ regulator_disable
+ regulator_disable_regmap
+ regulator_enable
+ regulator_enable_regmap
+ regulator_get
+ regulator_get_optional
+ regulator_get_voltage_sel_regmap
+ regulator_is_enabled
+ regulator_is_enabled_regmap
+ regulator_list_voltage_linear
+ regulator_map_voltage_linear
+ regulator_notifier_call_chain
+ regulator_put
+ regulator_register
+ regulator_set_voltage
+ regulator_set_voltage_sel_regmap
+ regulator_unregister
+ release_firmware
+ __release_region
+ remap_pfn_range
+ remap_vmalloc_range
+ remove_cpu
+ remove_proc_entry
+ remove_wait_queue
+ request_firmware
+ request_firmware_nowait
+ __request_percpu_irq
+ __request_region
+ request_threaded_irq
+ resume_cpus
+ return_address
+ revalidate_disk_size
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_init_sw_state
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ rhashtable_free_and_destroy
+ rhashtable_insert_slow
+ rhltable_init
+ __rht_bucket_nested
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ root_task_group
+ round_jiffies
+ round_jiffies_relative
+ round_jiffies_up
+ rps_needed
+ rtc_class_close
+ rtc_class_open
+ rtc_read_time
+ rtc_time64_to_tm
+ rtc_tm_to_time64
+ rtc_update_irq
+ rtc_valid_tm
+ __rt_mutex_init
+ rt_mutex_lock
+ rt_mutex_unlock
+ rtnl_is_locked
+ rtnl_lock
+ rtnl_unlock
+ runqueues
+ sched_clock
+ sched_feat_keys
+ sched_setattr_nocheck
+ sched_set_fifo
+ sched_setscheduler
+ sched_setscheduler_nocheck
+ sched_show_task
+ sched_trace_cfs_rq_avg
+ sched_trace_cfs_rq_cpu
+ sched_trace_cfs_rq_path
+ sched_trace_rd_span
+ sched_trace_rq_avg_dl
+ sched_trace_rq_avg_irq
+ sched_trace_rq_avg_rt
+ sched_trace_rq_cpu
+ sched_uclamp_used
+ schedule
+ schedule_timeout
+ schedule_timeout_interruptible
+ scnprintf
+ scsi_autopm_get_device
+ scsi_autopm_put_device
+ scsi_block_requests
+ scsi_block_when_processing_errors
+ scsi_command_size_tbl
+ scsi_compat_ioctl
+ scsi_device_get
+ scsi_device_put
+ scsi_ioctl
+ scsi_ioctl_block_when_processing_errors
+ scsi_normalize_sense
+ __scsi_print_sense
+ scsi_register_interface
+ scsi_unblock_requests
+ sdev_prefix_printk
+ seq_hex_dump
+ seq_lseek
+ seq_open
+ __seq_open_private
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ seq_release_private
+ seq_write
+ set_blocksize
+ set_cpus_allowed_ptr
+ set_freezable
+ set_normalized_timespec64
+ set_page_dirty
+ set_page_dirty_lock
+ __SetPageMovable
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ sg_scsi_ioctl
+ shmem_file_setup
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_open
+ simple_read_from_buffer
+ simple_strtol
+ simple_strtoll
+ simple_strtoul
+ simple_strtoull
+ simple_write_to_buffer
+ single_open
+ single_open_size
+ single_release
+ skb_add_rx_frag
+ skb_checksum
+ skb_checksum_help
+ skb_clone
+ skb_clone_sk
+ skb_complete_wifi_ack
+ skb_copy
+ skb_copy_bits
+ skb_copy_expand
+ skb_dequeue
+ skb_dequeue_tail
+ skb_ensure_writable
+ __skb_get_hash
+ __skb_gso_segment
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_realloc_headroom
+ skb_trim
+ smp_call_function
+ smp_call_function_single
+ smp_call_on_cpu
+ snd_compr_stop_error
+ snd_ctl_add
+ snd_ctl_boolean_mono_info
+ snd_ctl_enum_info
+ snd_ctl_new1
+ snd_ctl_notify
+ snd_info_create_card_entry
+ snd_jack_set_key
+ snd_pcm_format_physical_width
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_list
+ snd_pcm_lib_free_pages
+ snd_pcm_lib_ioctl
+ snd_pcm_lib_malloc_pages
+ snd_pcm_lib_preallocate_pages
+ snd_pcm_period_elapsed
+ snd_soc_add_component_controls
+ snd_soc_add_dai_controls
+ snd_soc_bytes_tlv_callback
+ snd_soc_card_get_kcontrol
+ snd_soc_card_jack_new
+ snd_soc_component_disable_pin
+ snd_soc_component_enable_pin
+ snd_soc_component_force_enable_pin
+ snd_soc_component_get_pin_status
+ snd_soc_component_read
+ snd_soc_component_set_jack
+ snd_soc_component_set_pll
+ snd_soc_component_set_sysclk
+ snd_soc_component_update_bits
+ snd_soc_component_write
+ snd_soc_dai_set_pll
+ snd_soc_dai_set_sysclk
+ snd_soc_dai_set_tdm_slot
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_del_routes
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_disable_pin_unlocked
+ snd_soc_dapm_force_enable_pin_unlocked
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_pin_status
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_ignore_suspend
+ snd_soc_dapm_kcontrol_widget
+ snd_soc_dapm_mixer_update_power
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_volsw
+ snd_soc_dapm_sync
+ snd_soc_dapm_sync_unlocked
+ snd_soc_get_enum_double
+ snd_soc_get_volsw
+ snd_soc_get_volsw_range
+ snd_soc_get_volsw_sx
+ snd_soc_info_enum_double
+ snd_soc_info_volsw
+ snd_soc_info_volsw_range
+ snd_soc_info_volsw_sx
+ snd_soc_jack_report
+ snd_soc_lookup_component
+ snd_soc_new_compress
+ snd_soc_of_get_dai_link_codecs
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_card_name
+ snd_soc_of_parse_daifmt
+ snd_soc_params_to_bclk
+ snd_soc_params_to_frame_size
+ snd_soc_put_enum_double
+ snd_soc_put_volsw
+ snd_soc_put_volsw_range
+ snd_soc_put_volsw_sx
+ snd_soc_register_card
+ snd_soc_register_component
+ snd_soc_runtime_set_dai_fmt
+ snd_soc_unregister_card
+ snd_soc_unregister_component
+ snprintf
+ soc_device_register
+ __sock_create
+ sock_release
+ sock_wfree
+ softnet_data
+ sort
+ __spi_alloc_controller
+ spi_bus_lock
+ spi_bus_unlock
+ spi_controller_resume
+ spi_controller_suspend
+ spi_finalize_current_message
+ spi_register_controller
+ __spi_register_driver
+ spi_setup
+ spi_sync
+ spi_sync_locked
+ spi_unregister_controller
+ split_page
+ sprintf
+ sprint_symbol
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ static_key_disable
+ static_key_slow_dec
+ static_key_slow_inc
+ stop_machine
+ strcasecmp
+ strcat
+ strchr
+ strcmp
+ strcpy
+ strcspn
+ stream_open
+ strim
+ strlcat
+ strlcpy
+ strlen
+ strncasecmp
+ strncat
+ strnchr
+ strncmp
+ strncpy
+ strncpy_from_user
+ strndup_user
+ strnlen
+ strnstr
+ strpbrk
+ strrchr
+ strscpy
+ strsep
+ strspn
+ strstr
+ submit_bio
+ submit_bio_wait
+ subsys_system_register
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ syscon_regmap_lookup_by_phandle
+ sysctl_sched_features
+ sysctl_sched_latency
+ sysfs_add_file_to_group
+ sysfs_create_file_ns
+ sysfs_create_files
+ sysfs_create_group
+ sysfs_create_groups
+ sysfs_create_link
+ sysfs_emit
+ sysfs_emit_at
+ sysfs_notify
+ sysfs_remove_file_ns
+ sysfs_remove_group
+ sysfs_remove_groups
+ sysfs_remove_link
+ sysfs_streq
+ sysfs_update_group
+ sysrq_mask
+ system_freezable_wq
+ system_freezing_cnt
+ system_highpri_wq
+ system_long_wq
+ system_power_efficient_wq
+ system_state
+ system_unbound_wq
+ system_wq
+ sys_tz
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ task_may_not_preempt
+ __task_pid_nr_ns
+ task_rq_lock
+ tcpci_get_tcpm_port
+ tcpci_irq
+ tcpci_register_port
+ tcpci_unregister_port
+ tcpm_cc_change
+ tcpm_is_toggling
+ tcpm_pd_hard_reset
+ tcpm_pd_receive
+ tcpm_pd_transmit_complete
+ tcpm_sink_frs
+ tcpm_sourcing_vbus
+ tcpm_update_sink_capabilities
+ tcpm_vbus_change
+ thermal_cdev_update
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+ thermal_zone_device_disable
+ thermal_zone_device_enable
+ thermal_zone_device_is_enabled
+ thermal_zone_device_register
+ thermal_zone_device_unregister
+ thermal_zone_device_update
+ thermal_zone_of_sensor_register
+ thermal_zone_of_sensor_unregister
+ thread_group_cputime_adjusted
+ tick_nohz_get_idle_calls_cpu
+ time64_to_tm
+ topology_set_thermal_pressure
+ _totalram_pages
+ __trace_bputs
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_android_rvh_cgroup_force_kthread_migration
+ __traceiter_android_rvh_check_preempt_wakeup
+ __traceiter_android_rvh_cpu_cgroup_online
+ __traceiter_android_rvh_cpu_overutilized
+ __traceiter_android_rvh_dequeue_task
+ __traceiter_android_rvh_find_energy_efficient_cpu
+ __traceiter_android_rvh_irqs_disable
+ __traceiter_android_rvh_irqs_enable
+ __traceiter_android_rvh_pci_d3_sleep
+ __traceiter_android_rvh_post_init_entity_util_avg
+ __traceiter_android_rvh_preempt_disable
+ __traceiter_android_rvh_preempt_enable
+ __traceiter_android_rvh_sched_fork
+ __traceiter_android_rvh_select_task_rq_rt
+ __traceiter_android_rvh_set_iowait
+ __traceiter_android_rvh_typec_tcpci_chk_contaminant
+ __traceiter_android_rvh_typec_tcpci_get_vbus
+ __traceiter_android_rvh_uclamp_eff_get
+ __traceiter_android_rvh_ufs_complete_init
+ __traceiter_android_rvh_ufs_reprogram_all_keys
+ __traceiter_android_rvh_util_est_update
+ __traceiter_android_vh_arch_set_freq_scale
+ __traceiter_android_vh_cma_alloc_finish
+ __traceiter_android_vh_cma_alloc_start
+ __traceiter_android_vh_cpu_idle_enter
+ __traceiter_android_vh_cpu_idle_exit
+ __traceiter_android_vh_enable_thermal_genl_check
+ __traceiter_android_vh_ep_create_wakeup_source
+ __traceiter_android_vh_finish_update_load_avg_se
+ __traceiter_android_vh_ipi_stop
+ __traceiter_android_vh_meminfo_proc_show
+ __traceiter_android_vh_of_i2c_get_board_info
+ __traceiter_android_vh_pagecache_get_page
+ __traceiter_android_vh_rmqueue
+ __traceiter_android_vh_setscheduler_uclamp
+ __traceiter_android_vh_snd_compr_use_pause_in_drain
+ __traceiter_android_vh_sound_usb_support_cpu_suspend
+ __traceiter_android_vh_thermal_pm_notify_suspend
+ __traceiter_android_vh_timerfd_create
+ __traceiter_android_vh_typec_store_partner_src_caps
+ __traceiter_android_vh_typec_tcpci_override_toggling
+ __traceiter_android_vh_typec_tcpm_adj_current_limit
+ __traceiter_android_vh_typec_tcpm_get_timer
+ __traceiter_android_vh_typec_tcpm_log
+ __traceiter_android_vh_ufs_check_int_errors
+ __traceiter_android_vh_ufs_compl_command
+ __traceiter_android_vh_ufs_fill_prdt
+ __traceiter_android_vh_ufs_prepare_command
+ __traceiter_android_vh_ufs_send_command
+ __traceiter_android_vh_ufs_send_tm_command
+ __traceiter_android_vh_ufs_send_uic_command
+ __traceiter_android_vh_ufs_update_sysfs
+ __traceiter_android_vh_usb_dev_resume
+ __traceiter_android_vh_usb_dev_suspend
+ __traceiter_clock_set_rate
+ __traceiter_cpu_frequency
+ __traceiter_device_pm_callback_end
+ __traceiter_device_pm_callback_start
+ __traceiter_dwc3_readl
+ __traceiter_dwc3_writel
+ __traceiter_gpu_mem_total
+ __traceiter_mm_vmscan_direct_reclaim_begin
+ __traceiter_mm_vmscan_direct_reclaim_end
+ __traceiter_pelt_cfs_tp
+ __traceiter_pelt_dl_tp
+ __traceiter_pelt_irq_tp
+ __traceiter_pelt_rt_tp
+ __traceiter_pelt_se_tp
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __traceiter_sched_cpu_capacity_tp
+ __traceiter_sched_overutilized_tp
+ __traceiter_sched_switch
+ __traceiter_sched_util_est_cfs_tp
+ __traceiter_sched_util_est_se_tp
+ __traceiter_suspend_resume
+ trace_output_call
+ __tracepoint_android_rvh_cgroup_force_kthread_migration
+ __tracepoint_android_rvh_check_preempt_wakeup
+ __tracepoint_android_rvh_cpu_cgroup_online
+ __tracepoint_android_rvh_cpu_overutilized
+ __tracepoint_android_rvh_dequeue_task
+ __tracepoint_android_rvh_find_energy_efficient_cpu
+ __tracepoint_android_rvh_irqs_disable
+ __tracepoint_android_rvh_irqs_enable
+ __tracepoint_android_rvh_pci_d3_sleep
+ __tracepoint_android_rvh_post_init_entity_util_avg
+ __tracepoint_android_rvh_preempt_disable
+ __tracepoint_android_rvh_preempt_enable
+ __tracepoint_android_rvh_sched_fork
+ __tracepoint_android_rvh_select_task_rq_rt
+ __tracepoint_android_rvh_set_iowait
+ __tracepoint_android_rvh_typec_tcpci_chk_contaminant
+ __tracepoint_android_rvh_typec_tcpci_get_vbus
+ __tracepoint_android_rvh_uclamp_eff_get
+ __tracepoint_android_rvh_ufs_complete_init
+ __tracepoint_android_rvh_ufs_reprogram_all_keys
+ __tracepoint_android_rvh_util_est_update
+ __tracepoint_android_vh_arch_set_freq_scale
+ __tracepoint_android_vh_cma_alloc_finish
+ __tracepoint_android_vh_cma_alloc_start
+ __tracepoint_android_vh_cpu_idle_enter
+ __tracepoint_android_vh_cpu_idle_exit
+ __tracepoint_android_vh_enable_thermal_genl_check
+ __tracepoint_android_vh_ep_create_wakeup_source
+ __tracepoint_android_vh_finish_update_load_avg_se
+ __tracepoint_android_vh_ipi_stop
+ __tracepoint_android_vh_meminfo_proc_show
+ __tracepoint_android_vh_of_i2c_get_board_info
+ __tracepoint_android_vh_pagecache_get_page
+ __tracepoint_android_vh_rmqueue
+ __tracepoint_android_vh_setscheduler_uclamp
+ __tracepoint_android_vh_snd_compr_use_pause_in_drain
+ __tracepoint_android_vh_sound_usb_support_cpu_suspend
+ __tracepoint_android_vh_thermal_pm_notify_suspend
+ __tracepoint_android_vh_timerfd_create
+ __tracepoint_android_vh_typec_store_partner_src_caps
+ __tracepoint_android_vh_typec_tcpci_override_toggling
+ __tracepoint_android_vh_typec_tcpm_adj_current_limit
+ __tracepoint_android_vh_typec_tcpm_get_timer
+ __tracepoint_android_vh_typec_tcpm_log
+ __tracepoint_android_vh_ufs_check_int_errors
+ __tracepoint_android_vh_ufs_compl_command
+ __tracepoint_android_vh_ufs_fill_prdt
+ __tracepoint_android_vh_ufs_prepare_command
+ __tracepoint_android_vh_ufs_send_command
+ __tracepoint_android_vh_ufs_send_tm_command
+ __tracepoint_android_vh_ufs_send_uic_command
+ __tracepoint_android_vh_ufs_update_sysfs
+ __tracepoint_android_vh_usb_dev_resume
+ __tracepoint_android_vh_usb_dev_suspend
+ __tracepoint_clock_set_rate
+ __tracepoint_cpu_frequency
+ __tracepoint_device_pm_callback_end
+ __tracepoint_device_pm_callback_start
+ __tracepoint_dwc3_readl
+ __tracepoint_dwc3_writel
+ __tracepoint_gpu_mem_total
+ __tracepoint_mm_vmscan_direct_reclaim_begin
+ __tracepoint_mm_vmscan_direct_reclaim_end
+ __tracepoint_pelt_cfs_tp
+ __tracepoint_pelt_dl_tp
+ __tracepoint_pelt_irq_tp
+ __tracepoint_pelt_rt_tp
+ __tracepoint_pelt_se_tp
+ tracepoint_probe_register
+ tracepoint_probe_unregister
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __tracepoint_sched_cpu_capacity_tp
+ __tracepoint_sched_overutilized_tp
+ __tracepoint_sched_switch
+ __tracepoint_sched_util_est_cfs_tp
+ __tracepoint_sched_util_est_se_tp
+ __tracepoint_suspend_resume
+ trace_print_array_seq
+ trace_print_bitmask_seq
+ trace_print_flags_seq
+ trace_print_hex_seq
+ trace_print_symbols_seq
+ trace_raw_output_prep
+ trace_seq_printf
+ try_module_get
+ try_to_del_timer_sync
+ tty_flip_buffer_push
+ tty_insert_flip_string_fixed_flag
+ tty_kref_put
+ tty_port_tty_get
+ typec_switch_get_drvdata
+ typec_switch_register
+ typec_switch_unregister
+ uart_add_one_port
+ uart_console_device
+ uart_console_write
+ uart_get_baud_rate
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ uclamp_eff_value
+ __udelay
+ udp4_hwcsum
+ ufshcd_bkops_ctrl
+ ufshcd_hold
+ ufshcd_pltfrm_init
+ ufshcd_query_attr_retry
+ ufshcd_query_flag_retry
+ ufshcd_read_desc_param
+ ufshcd_release
+ ufshcd_remove
+ ufshcd_shutdown
+ ufshcd_system_resume
+ ufshcd_system_suspend
+ unlock_page
+ unmap_mapping_range
+ unpin_user_page
+ unregister_blkdev
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_netdev
+ unregister_netdevice_many
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_oom_notifier
+ unregister_pernet_device
+ unregister_pernet_subsys
+ unregister_pm_notifier
+ unregister_reboot_notifier
+ unregister_shrinker
+ unregister_syscore_ops
+ unregister_sysctl_table
+ unregister_virtio_device
+ unregister_virtio_driver
+ up
+ update_devfreq
+ __update_load_avg_blocked_se
+ update_rq_clock
+ up_read
+ up_write
+ usb_add_function
+ usb_add_hcd
+ usb_copy_descriptors
+ __usb_create_hcd
+ usb_disabled
+ usb_enable_autosuspend
+ usb_ep_autoconfig
+ usb_ep_disable
+ usb_ep_enable
+ usb_function_register
+ usb_function_unregister
+ usb_gadget_set_state
+ usb_hcd_is_primary_hcd
+ usb_hcd_platform_shutdown
+ usb_hub_find_child
+ usb_interface_id
+ usb_otg_state_string
+ usb_put_function_instance
+ usb_put_hcd
+ usb_register_notify
+ usb_remove_hcd
+ usb_role_switch_get_drvdata
+ usb_role_switch_register
+ usb_role_switch_unregister
+ usb_speed_string
+ usb_string_id
+ usb_unregister_notify
+ __usecs_to_jiffies
+ usleep_range
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_log_status
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu
+ v4l2_device_register
+ v4l2_device_unregister
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_fh_open
+ v4l2_m2m_buf_queue
+ v4l2_m2m_buf_remove
+ v4l2_m2m_ctx_init
+ v4l2_m2m_ctx_release
+ v4l2_m2m_fop_mmap
+ v4l2_m2m_fop_poll
+ v4l2_m2m_get_curr_priv
+ v4l2_m2m_get_vq
+ v4l2_m2m_init
+ v4l2_m2m_ioctl_dqbuf
+ v4l2_m2m_ioctl_querybuf
+ v4l2_m2m_ioctl_reqbufs
+ v4l2_m2m_ioctl_streamoff
+ v4l2_m2m_ioctl_streamon
+ v4l2_m2m_job_finish
+ v4l2_m2m_next_buf
+ v4l2_m2m_qbuf
+ v4l2_m2m_release
+ vabits_actual
+ vb2_buffer_done
+ vb2_common_vm_ops
+ vb2_create_framevec
+ vb2_destroy_framevec
+ vb2_dqbuf
+ vb2_fop_mmap
+ vb2_fop_poll
+ vb2_fop_read
+ vb2_fop_release
+ vb2_ioctl_create_bufs
+ vb2_ioctl_dqbuf
+ vb2_ioctl_expbuf
+ vb2_ioctl_qbuf
+ vb2_ioctl_querybuf
+ vb2_ioctl_reqbufs
+ vb2_ioctl_streamoff
+ vb2_ioctl_streamon
+ vb2_mmap
+ vb2_ops_wait_finish
+ vb2_ops_wait_prepare
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_poll
+ vb2_qbuf
+ vb2_querybuf
+ vb2_queue_init
+ vb2_queue_release
+ vb2_reqbufs
+ vb2_streamoff
+ vb2_streamon
+ vb2_vmalloc_memops
+ vb2_wait_for_all_buffers
+ verify_pkcs7_signature
+ vfree
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ virtqueue_add_inbuf
+ virtqueue_add_outbuf
+ virtqueue_detach_unused_buf
+ virtqueue_get_buf
+ virtqueue_get_vring_size
+ virtqueue_kick
+ virtqueue_kick_prepare
+ virtqueue_notify
+ vmalloc
+ vmalloc_user
+ vmap
+ vmf_insert_pfn_prot
+ vm_map_pages
+ vm_map_ram
+ vm_unmap_ram
+ vprintk
+ vring_del_virtqueue
+ vring_interrupt
+ vring_new_virtqueue
+ vsnprintf
+ vunmap
+ vzalloc
+ vzalloc_node
+ wait_for_completion
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_killable_timeout
+ wait_for_completion_timeout
+ wait_woken
+ __wake_up
+ __wake_up_locked
+ wake_up_process
+ wakeup_source_add
+ wakeup_source_create
+ wakeup_source_destroy
+ wakeup_source_register
+ wakeup_source_remove
+ wakeup_source_unregister
+ __wake_up_sync
+ __warn_printk
+ watchdog_init_timeout
+ watchdog_register_device
+ watchdog_set_restart_priority
+ watchdog_unregister_device
+ wireless_nlevent_flush
+ woken_wake_function
+ work_busy
+ __xfrm_state_destroy
+ xfrm_state_lookup_byspi
+ xfrm_stateonly_find
+ xhci_address_device
+ xhci_bus_resume
+ xhci_bus_suspend
+ xhci_gen_setup
+ xhci_get_ep_ctx
+ xhci_get_slot_ctx
+ xhci_handle_event
+ xhci_init_driver
+ xhci_resume
+ xhci_ring_alloc
+ xhci_ring_free
+ xhci_run
+ xhci_suspend
+ xhci_update_erst_dequeue
+ xhci_vendor_get_ops
diff --git a/android/abi_gki_aarch64_hikey960 b/android/abi_gki_aarch64_hikey960
new file mode 100644
index 0000000..93f48f3
--- /dev/null
+++ b/android/abi_gki_aarch64_hikey960
@@ -0,0 +1,1270 @@
+[abi_symbol_list]
+# commonly used symbols
+ alloc_chrdev_region
+ __alloc_disk_node
+ __alloc_pages_nodemask
+ alloc_workqueue
+ amba_driver_register
+ amba_driver_unregister
+ amba_release_regions
+ amba_request_regions
+ __arch_copy_from_user
+ __arch_copy_to_user
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ blk_cleanup_queue
+ blk_execute_rq
+ blk_execute_rq_nowait
+ blk_get_queue
+ blk_mq_alloc_tag_set
+ blk_mq_complete_request
+ blk_mq_end_request
+ blk_mq_free_request
+ blk_mq_free_tag_set
+ blk_mq_init_queue
+ blk_mq_quiesce_queue
+ blk_mq_requeue_request
+ blk_mq_start_request
+ blk_mq_tagset_busy_iter
+ blk_mq_tagset_wait_completed_request
+ blk_mq_unquiesce_queue
+ blk_put_queue
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_hw_sectors
+ blk_queue_max_segments
+ blk_queue_write_cache
+ __blk_rq_map_sg
+ bpf_trace_run1
+ bpf_trace_run2
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ __check_object_size
+ __class_create
+ class_destroy
+ clk_disable
+ clk_enable
+ clk_get
+ clk_get_rate
+ clk_prepare
+ clk_put
+ clk_set_rate
+ clk_unprepare
+ complete
+ __const_udelay
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpumask_next
+ cpu_number
+ __cpu_online_mask
+ __cpu_possible_mask
+ debugfs_attr_read
+ debugfs_attr_write
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_file_unsafe
+ debugfs_remove
+ default_llseek
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ destroy_workqueue
+ dev_driver_string
+ _dev_err
+ device_add_disk
+ device_create_file
+ device_get_match_data
+ device_initialize
+ device_init_wakeup
+ device_remove_file
+ _dev_info
+ devm_clk_get
+ devm_gpiod_get
+ devm_gpiod_get_optional
+ devm_ioremap
+ devm_ioremap_resource
+ devm_kfree
+ devm_kmalloc
+ devm_pinctrl_get
+ devm_platform_ioremap_resource
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_register
+ devm_request_threaded_irq
+ __devm_reset_control_get
+ dev_pm_opp_get_opp_count
+ dev_set_name
+ _dev_warn
+ disable_irq
+ dma_alloc_attrs
+ dma_buf_export
+ dma_free_attrs
+ dma_heap_add
+ dma_heap_get_name
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_sg_attrs
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ dma_release_channel
+ dma_request_chan
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_sg_attrs
+ down_read
+ down_write
+ driver_unregister
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ __drm_err
+ drm_helper_probe_single_connector_modes
+ drm_mode_copy
+ drm_mode_vrefresh
+ enable_irq
+ event_triggers_call
+ find_next_bit
+ find_next_zero_bit
+ finish_wait
+ flush_work
+ flush_workqueue
+ fput
+ free_irq
+ __free_pages
+ free_pages
+ generic_file_llseek
+ get_device
+ __get_free_pages
+ get_random_bytes
+ get_zeroed_page
+ gic_nonsecure_priorities
+ gpiod_set_value_cansleep
+ gpio_to_desc
+ i2c_del_driver
+ i2c_register_driver
+ i2c_transfer
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ __init_swait_queue_head
+ init_timer_key
+ init_wait_entry
+ __init_waitqueue_head
+ __ioremap
+ iounmap
+ irq_get_irq_data
+ irq_of_parse_and_map
+ irq_set_irq_wake
+ jiffies
+ kasan_flag_enabled
+ kfree
+ kfree_const
+ kfree_skb
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc_trace
+ kmemdup
+ kstrndup
+ kstrtoint
+ kstrtouint
+ kstrtoul_from_user
+ kstrtoull
+ ktime_get
+ ktime_get_mono_fast_ns
+ ktime_get_with_offset
+ __list_add_valid
+ __list_del_entry_valid
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ memchr_inv
+ memcpy
+ memdup_user
+ memmove
+ mempool_alloc
+ mempool_destroy
+ mempool_free
+ memset
+ memstart_addr
+ mmc_add_host
+ mmc_alloc_host
+ mmc_detect_change
+ mmc_free_host
+ mmc_gpiod_request_cd
+ mmc_gpiod_request_ro
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_hw_reset
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_remove_host
+ mmc_request_done
+ mmc_send_tuning
+ mod_timer
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ __mutex_init
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_unlock
+ nla_put
+ no_llseek
+ nonseekable_open
+ nr_cpu_ids
+ of_alias_get_id
+ of_clk_get
+ of_device_get_match_data
+ of_device_is_compatible
+ of_find_compatible_node
+ of_find_property
+ of_get_child_by_name
+ of_get_named_gpio_flags
+ of_get_property
+ of_graph_get_remote_node
+ of_graph_parse_endpoint
+ of_iomap
+ of_match_device
+ of_match_node
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_variable_u32_array
+ param_ops_bool
+ param_ops_charp
+ param_ops_int
+ param_ops_uint
+ pci_dev_put
+ __pci_register_driver
+ pci_unregister_driver
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pinctrl_lookup_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_select_state
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_resource
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ pm_suspend_global_flags
+ pm_wakeup_dev_event
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ printk
+ put_device
+ put_disk
+ __put_task_struct
+ queue_delayed_work_on
+ queue_work_on
+ ___ratelimit
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_drvdata
+ refcount_warn_saturate
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_disable
+ regulator_enable
+ regulator_enable_regmap
+ regulator_get_voltage_sel_regmap
+ regulator_list_voltage_table
+ regulator_set_voltage
+ regulator_set_voltage_sel_regmap
+ release_firmware
+ remap_pfn_range
+ request_firmware
+ request_threaded_irq
+ reset_control_assert
+ reset_control_deassert
+ schedule
+ schedule_timeout
+ scnprintf
+ seq_lseek
+ seq_printf
+ seq_puts
+ seq_read
+ set_disk_ro
+ sg_alloc_table
+ sg_free_table
+ sg_init_table
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ sg_next
+ simple_attr_open
+ simple_attr_release
+ simple_open
+ simple_read_from_buffer
+ single_open
+ single_release
+ skb_pull
+ skb_queue_tail
+ snprintf
+ __spi_register_driver
+ spi_setup
+ spi_sync
+ sprintf
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ strcmp
+ strlcpy
+ strncmp
+ strncpy
+ strnlen
+ __sw_hweight64
+ synchronize_irq
+ synchronize_rcu
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_phandle
+ sysfs_streq
+ system_wq
+ tasklet_init
+ __tasklet_schedule
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ trace_print_symbols_seq
+ trace_raw_output_prep
+ trace_seq_printf
+ trace_seq_putc
+ try_module_get
+ unregister_chrdev_region
+ up_read
+ up_write
+ usb_disabled
+ __usecs_to_jiffies
+ usleep_range
+ vabits_actual
+ vfree
+ vmalloc
+ vmap
+ vunmap
+ wait_for_completion
+ wait_for_completion_timeout
+ __wake_up
+ __warn_printk
+ xa_destroy
+ xa_erase
+ xa_find
+ xa_find_after
+ xa_load
+
+# required by adv7511.ko
+ cec_allocate_adapter
+ cec_delete_adapter
+ cec_received_msg_ts
+ cec_register_adapter
+ cec_s_phys_addr
+ cec_s_phys_addr_from_edid
+ cec_transmit_attempt_done_ts
+ cec_transmit_done_ts
+ cec_unregister_adapter
+ devm_regulator_bulk_get
+ drm_add_edid_modes
+ drm_bridge_add
+ drm_bridge_hpd_notify
+ drm_bridge_remove
+ drm_connector_update_edid_property
+ drm_detect_hdmi_monitor
+ drm_do_get_edid
+ drm_kms_helper_hotplug_event
+ hdmi_avi_infoframe_init
+ hdmi_avi_infoframe_pack
+ i2c_new_ancillary_device
+ i2c_unregister_device
+ mipi_dsi_attach
+ mipi_dsi_detach
+ mipi_dsi_device_register_full
+ mipi_dsi_device_unregister
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ of_find_mipi_dsi_host_by_node
+ platform_device_register_full
+ regcache_mark_dirty
+ regcache_sync
+ regmap_bulk_write
+ regmap_register_patch
+ regulator_bulk_disable
+ regulator_bulk_enable
+
+# required by ambakmi.ko
+ serio_interrupt
+ serio_reconnect
+ __serio_register_port
+ serio_unregister_port
+
+# required by armmmci.ko
+ clk_round_rate
+ devm_of_iomap
+ pinctrl_select_default_state
+
+# required by clk-hi655x.ko
+ devm_clk_hw_register
+ devm_of_clk_add_hw_provider
+ of_clk_hw_simple_get
+
+# required by cma_heap.ko
+ cma_alloc
+ cma_get_name
+ cma_release
+ dma_contiguous_default_area
+ dma_heap_get_drvdata
+ sg_alloc_table_from_pages
+
+# required by cn.ko
+ __alloc_skb
+ init_net
+ netlink_broadcast
+ netlink_has_listeners
+ __netlink_kernel_create
+ netlink_kernel_release
+ netlink_unicast
+ __nlmsg_put
+ proc_create_single_data
+ remove_proc_entry
+
+# required by cpufreq-dt.ko
+ cpufreq_enable_boost_support
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_generic_frequency_table_verify
+ cpufreq_generic_get
+ cpufreq_generic_suspend
+ cpufreq_register_driver
+ cpufreq_unregister_driver
+ dev_pm_opp_free_cpufreq_table
+ dev_pm_opp_get_max_transition_latency
+ dev_pm_opp_get_opp_table
+ dev_pm_opp_get_sharing_cpus
+ dev_pm_opp_get_suspend_opp_freq
+ dev_pm_opp_init_cpufreq_table
+ dev_pm_opp_of_cpumask_add_table
+ dev_pm_opp_of_cpumask_remove_table
+ dev_pm_opp_of_get_sharing_cpus
+ dev_pm_opp_of_register_em
+ dev_pm_opp_put_opp_table
+ dev_pm_opp_put_regulators
+ dev_pm_opp_set_rate
+ dev_pm_opp_set_regulators
+ dev_pm_opp_set_sharing_cpus
+ get_cpu_device
+ policy_has_boost_freq
+
+# required by dw_mmc.ko
+ debugfs_create_u32
+ debugfs_create_x64
+ dev_err_probe
+ device_property_present
+ device_property_read_string_array
+ device_property_read_u32_array
+ mmc_can_gpio_cd
+ sdio_signal_irq
+
+# required by gadgetfs.ko
+ _copy_from_iter_full
+ _copy_to_iter
+ current_time
+ d_add
+ d_alloc_name
+ d_delete
+ d_make_root
+ dput
+ dup_iter
+ fasync_helper
+ generic_delete_inode
+ get_next_ino
+ get_tree_single
+ kill_fasync
+ kill_litter_super
+ kiocb_set_cancel_fn
+ kthread_unuse_mm
+ kthread_use_mm
+ mutex_trylock
+ new_inode
+ register_filesystem
+ simple_dir_inode_operations
+ simple_dir_operations
+ simple_statfs
+ unregister_filesystem
+ usb_ep_alloc_request
+ usb_ep_clear_halt
+ usb_ep_dequeue
+ usb_ep_disable
+ usb_ep_enable
+ usb_ep_fifo_flush
+ usb_ep_fifo_status
+ usb_ep_free_request
+ usb_ep_queue
+ usb_ep_set_halt
+ usb_gadget_probe_driver
+ usb_gadget_set_state
+ usb_gadget_unregister_driver
+ usb_gadget_vbus_draw
+ usb_get_gadget_udc_name
+ wait_for_completion_interruptible
+
+# required by hi3660-i2s.ko
+ devm_snd_dmaengine_pcm_register
+ pinctrl_put
+ snd_dmaengine_pcm_prepare_slave_config
+ snd_soc_register_component
+ snd_soc_unregister_component
+
+# required by hi3660-mailbox.ko
+ devm_mbox_controller_register
+
+# required by hi6421-pmic-core.ko
+ devm_mfd_add_devices
+
+# required by hi6421v530-regulator.ko
+ regulator_disable_regmap
+ regulator_is_enabled_regmap
+ regulator_map_voltage_ascend
+
+# required by hi655x-pmic.ko
+ devm_gpio_request_one
+ gpiod_to_irq
+ mfd_add_devices
+ mfd_remove_devices
+ regmap_add_irq_chip
+ regmap_del_irq_chip
+ regmap_irq_get_domain
+
+# required by hi655x-regulator.ko
+ regulator_list_voltage_linear
+
+# required by hisi_hikey_usb.ko
+ dev_fwnode
+ devm_regulator_get
+ regulator_is_enabled
+ usb_role_switch_get
+ usb_role_switch_get_drvdata
+ usb_role_switch_put
+ usb_role_switch_register
+ usb_role_switch_set_role
+ usb_role_switch_unregister
+
+# required by hisi_powerkey.ko
+ devm_input_allocate_device
+ devm_request_any_context_irq
+ input_event
+ input_register_device
+ input_set_capability
+ platform_get_irq_byname
+
+# required by hisi_thermal.ko
+ _dev_crit
+ devm_thermal_zone_of_sensor_register
+ of_thermal_get_ntrips
+ of_thermal_get_trip_points
+ thermal_zone_device_disable
+ thermal_zone_device_enable
+ thermal_zone_device_update
+
+# required by i2c-designware-core.ko
+ i2c_add_numbered_adapter
+ i2c_generic_scl_recovery
+ i2c_recover_bus
+
+# required by i2c-designware-platform.ko
+ devm_clk_get_optional
+ i2c_del_adapter
+ i2c_parse_fw_timings
+
+# required by i2c-dev.ko
+ bus_register_notifier
+ bus_unregister_notifier
+ device_for_each_child
+ i2c_adapter_type
+ i2c_bus_type
+ i2c_for_each_dev
+ i2c_get_adapter
+ i2c_put_adapter
+ i2c_smbus_xfer
+ i2c_transfer_buffer_flags
+ i2c_verify_client
+ register_chrdev_region
+
+# required by k3dma.ko
+ devm_free_irq
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_get_slave_channel
+ dmam_pool_create
+ of_dma_controller_free
+ of_dma_controller_register
+ tasklet_kill
+ tasklet_setup
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+
+# required by kirin-drm.ko
+ component_bind_all
+ component_master_add_with_match
+ component_master_del
+ component_unbind_all
+ drm_atomic_get_crtc_state
+ drm_atomic_helper_check
+ drm_atomic_helper_commit
+ drm_atomic_helper_crtc_destroy_state
+ drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_crtc_reset
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_page_flip
+ drm_atomic_helper_plane_destroy_state
+ drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_plane_reset
+ drm_atomic_helper_set_config
+ drm_atomic_helper_update_plane
+ drm_compat_ioctl
+ drm_crtc_arm_vblank_event
+ drm_crtc_cleanup
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_get
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_dev_alloc
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_fb_cma_get_gem_obj
+ drm_gem_cma_dumb_create_internal
+ drm_gem_cma_free_object
+ drm_gem_cma_mmap
+ drm_gem_cma_prime_get_sg_table
+ drm_gem_cma_prime_import_sg_table
+ drm_gem_cma_prime_mmap
+ drm_gem_cma_prime_vmap
+ drm_gem_cma_prime_vunmap
+ drm_gem_cma_vm_ops
+ drm_gem_fb_create
+ drm_gem_prime_export
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_prime_import
+ drm_ioctl
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drmm_mode_config_init
+ drm_mode_config_cleanup
+ drm_mode_config_reset
+ drm_of_component_match_add
+ drm_open
+ drm_plane_cleanup
+ drm_poll
+ drm_read
+ drm_release
+ drm_universal_plane_init
+ drm_vblank_init
+ noop_llseek
+
+# required by kirin-dsi.ko
+ component_add
+ component_del
+ drm_bridge_attach
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_connector_unregister
+ __drm_dbg
+ drm_encoder_cleanup
+ drm_encoder_init
+ drm_of_find_possible_crtcs
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_prepare
+ drm_panel_unprepare
+ drm_sysfs_hotplug_event
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_graph_get_next_endpoint
+ of_graph_get_remote_port_parent
+
+# required by mali_kbase.ko
+ anon_inode_getfd
+ __bitmap_weight
+ cache_line_size
+ clear_page
+ __close_fd
+ debugfs_create_bool
+ debugfs_create_size_t
+ devfreq_add_device
+ devfreq_cooling_unregister
+ devfreq_recommended_opp
+ devfreq_register_opp_notifier
+ devfreq_remove_device
+ devfreq_resume_device
+ devfreq_suspend_device
+ devfreq_unregister_opp_notifier
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_detach
+ dma_buf_end_cpu_access
+ dma_buf_get
+ dma_buf_map_attachment
+ dma_buf_mmap
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dma_fence_add_callback
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_get_status
+ dma_fence_init
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ down
+ downgrade_write
+ down_trylock
+ dump_stack
+ fd_install
+ find_vma
+ get_unused_fd_flags
+ get_user_pages
+ get_user_pages_fast
+ get_user_pages_remote
+ hrtimer_cancel
+ hrtimer_init
+ hrtimer_start_range_ns
+ iomem_resource
+ kimage_voffset
+ kstrdup
+ kstrtobool_from_user
+ kthread_create_on_node
+ kthread_should_stop
+ kthread_stop
+ ktime_add_safe
+ ktime_get_raw_ts64
+ misc_deregister
+ misc_register
+ __mmdrop
+ mm_trace_rss_stat
+ msleep_interruptible
+ of_devfreq_cooling_register_power
+ of_find_device_by_node
+ of_get_next_available_child
+ of_parse_phandle
+ of_property_read_u64
+ __put_page
+ rb_erase
+ rb_first
+ rb_insert_color
+ rb_next
+ rb_prev
+ rb_replace_node
+ register_shrinker
+ regulator_get_optional
+ regulator_put
+ __release_region
+ remap_vmalloc_range
+ __request_region
+ seq_open
+ seq_putc
+ seq_release
+ seq_write
+ set_page_dirty_lock
+ simple_attr_read
+ simple_attr_write
+ __sw_hweight32
+ sync_file_create
+ sync_file_get_fence
+ sysfs_create_group
+ sysfs_remove_group
+ thermal_zone_get_temp
+ thermal_zone_get_zone_by_name
+ _totalram_pages
+ unmap_mapping_range
+ unregister_shrinker
+ up
+ vmalloc_user
+ vmf_insert_pfn
+ vm_mmap
+ vzalloc
+ wake_up_process
+
+# required by mmc_block.ko
+ blk_get_request
+ __blk_mq_end_request
+ blk_mq_run_hw_queues
+ blk_put_request
+ blk_queue_bounce_limit
+ blk_queue_can_use_dma_map_merging
+ blk_queue_max_segment_size
+ blk_queue_rq_timeout
+ blk_update_request
+ bus_register
+ bus_unregister
+ dma_get_merge_boundary
+ mmc_app_cmd
+ mmc_calc_max_discard
+ mmc_can_erase
+ mmc_can_secure_erase_trim
+ mmc_can_trim
+ __mmc_claim_host
+ mmc_cmdq_disable
+ mmc_cmdq_enable
+ mmc_cqe_post_req
+ mmc_cqe_recovery
+ mmc_cqe_start_req
+ mmc_crypto_prepare_req
+ mmc_crypto_setup_queue
+ mmc_detect_card_removed
+ mmc_erase
+ mmc_erase_group_aligned
+ mmc_flush_cache
+ mmc_get_card
+ mmc_get_ext_csd
+ mmc_put_card
+ mmc_register_driver
+ mmc_release_host
+ mmc_retune_pause
+ mmc_retune_release
+ mmc_retune_unpause
+ mmc_run_bkops
+ mmc_sanitize
+ __mmc_send_status
+ mmc_send_status
+ mmc_set_data_timeout
+ mmc_start_request
+ mmc_switch
+ mmc_unregister_driver
+ mmc_wait_for_cmd
+ mmc_wait_for_req
+ register_blkdev
+ sg_init_one
+ simple_strtoul
+ string_get_size
+ unregister_blkdev
+
+# required by mmc_spi.ko
+ is_vmalloc_addr
+ mmc_gpiod_request_cd_irq
+ spi_bus_lock
+ spi_bus_unlock
+ spi_sync_locked
+
+# required by nvme-core.ko
+ add_uevent_var
+ bdget_disk
+ bdput
+ bd_set_nr_sectors
+ blk_freeze_queue_start
+ blk_mq_alloc_request
+ blk_mq_alloc_request_hctx
+ blk_mq_delay_kick_requeue_list
+ blk_mq_freeze_queue
+ blk_mq_freeze_queue_wait
+ blk_mq_freeze_queue_wait_timeout
+ blk_mq_unfreeze_queue
+ blk_mq_unique_tag
+ blk_poll
+ blk_queue_chunk_sectors
+ blk_queue_dma_alignment
+ blk_queue_flag_test_and_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_max_discard_segments
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_queue_virt_boundary
+ blk_rq_map_kern
+ blk_rq_map_user
+ blk_rq_unmap_user
+ blk_set_queue_dying
+ blk_status_to_errno
+ blk_sync_queue
+ bpf_trace_run3
+ cleanup_srcu_struct
+ compat_ptr_ioctl
+ completion_done
+ device_add
+ device_del
+ device_remove_file_self
+ dev_pm_qos_expose_latency_tolerance
+ dev_pm_qos_hide_latency_tolerance
+ dev_pm_qos_update_user_latency_tolerance
+ __init_rwsem
+ init_srcu_struct
+ kasprintf
+ kobject_uevent_env
+ list_sort
+ param_ops_byte
+ param_ops_ulong
+ revalidate_disk_size
+ set_capacity_revalidate_and_notify
+ __srcu_read_unlock
+ synchronize_srcu
+ sysfs_create_link
+ sysfs_remove_link
+ uuid_null
+ xa_store
+
+# required by nvme.ko
+ async_schedule_node
+ blk_mq_complete_request_remote
+ blk_mq_map_queues
+ blk_mq_pci_map_queues
+ blk_mq_tag_to_rq
+ blk_mq_update_nr_hw_queues
+ device_release_driver
+ dma_max_mapping_size
+ __do_once_done
+ __do_once_start
+ mempool_create_node
+ mempool_kfree
+ mempool_kmalloc
+ param_get_uint
+ param_set_uint
+ pci_alloc_irq_vectors_affinity
+ pcibios_resource_to_bus
+ pci_device_is_present
+ pci_disable_device
+ pcie_aspm_enabled
+ pci_enable_device_mem
+ pci_free_irq
+ pci_free_irq_vectors
+ pci_irq_vector
+ pci_load_saved_state
+ pci_read_config_word
+ pci_release_selected_regions
+ pci_request_irq
+ pci_request_selected_regions
+ pci_restore_state
+ pci_save_state
+ pci_select_bars
+ pci_set_master
+ sysfs_remove_file_from_group
+ wait_for_completion_io_timeout
+
+# required by nvmet.ko
+ bin2hex
+ bio_add_page
+ bio_alloc_bioset
+ bio_associate_blkg
+ bio_chain
+ bio_endio
+ bio_init
+ bio_put
+ blkdev_get_by_path
+ __blkdev_issue_discard
+ blkdev_issue_flush
+ __blkdev_issue_zeroout
+ blkdev_put
+ blk_finish_plug
+ blk_start_plug
+ configfs_register_subsystem
+ configfs_unregister_subsystem
+ config_group_init
+ config_group_init_type_name
+ _ctype
+ fs_bio_set
+ hex_to_bin
+ iov_iter_bvec
+ kmem_cache_create
+ kmem_cache_destroy
+ kmemdup_nul
+ kstrtobool
+ kstrtou16
+ kvfree_call_rcu
+ mempool_alloc_slab
+ mempool_create
+ mempool_free_slab
+ mod_delayed_work_on
+ __per_cpu_offset
+ percpu_ref_exit
+ percpu_ref_init
+ percpu_ref_kill_and_confirm
+ radix_tree_delete
+ radix_tree_next_chunk
+ __request_module
+ sgl_alloc
+ sgl_free
+ sg_pcopy_from_buffer
+ sg_pcopy_to_buffer
+ sg_zero_buffer
+ strcspn
+ strlen
+ submit_bio
+ uuid_gen
+ uuid_parse
+ vfs_fallocate
+ vfs_fsync
+ vfs_getattr
+ __xa_insert
+
+# required by of_mmc_spi.ko
+ mmc_of_parse_voltage
+
+# required by ohci-hcd.ko
+ device_set_wakeup_capable
+ gen_pool_dma_alloc_align
+ gen_pool_dma_zalloc_align
+ gen_pool_free_owner
+ sb800_prefetch
+ schedule_timeout_uninterruptible
+ usb_amd_dev_put
+ usb_amd_quirk_pll_disable
+ usb_amd_quirk_pll_enable
+ usb_calc_bus_time
+ usb_debug_root
+ usb_hcd_check_unlink_urb
+ usb_hcd_giveback_urb
+ usb_hc_died
+ usb_hcd_link_urb_to_ep
+ usb_hcd_poll_rh_status
+ usb_hcd_resume_root_hub
+ usb_hcds_loaded
+ usb_hcd_unlink_urb_from_ep
+ usb_root_hub_lost_power
+
+# required by ohci-pci.ko
+ pci_get_slot
+ pci_match_id
+ usb_amd_prefetch_quirk
+ usb_amd_quirk_pll_check
+ usb_hcd_pci_pm_ops
+ usb_hcd_pci_probe
+ usb_hcd_pci_remove
+ usb_hcd_pci_shutdown
+
+# required by ohci-platform.ko
+ device_wakeup_enable
+ devm_reset_control_array_get
+ usb_add_hcd
+ usb_create_hcd
+ usb_hcd_platform_shutdown
+ usb_put_hcd
+ usb_remove_hcd
+
+# required by phy-hi3660-usb3.ko
+ __devm_of_phy_provider_register
+ devm_phy_create
+ of_phy_simple_xlate
+
+# required by reboot-mode.ko
+ devres_add
+ devres_alloc_node
+ devres_free
+ devres_release
+ kstrdup_const
+ register_reboot_notifier
+ unregister_reboot_notifier
+
+# required by rfkill-gpio.ko
+ device_property_read_string
+ rfkill_alloc
+ rfkill_destroy
+ rfkill_find_type
+ rfkill_register
+ rfkill_unregister
+
+# required by rtc-efi.ko
+ devm_rtc_device_register
+ efi
+ __platform_driver_probe
+ rtc_valid_tm
+ rtc_year_days
+
+# required by snd-soc-hdmi-codec.ko
+ devm_snd_soc_register_component
+ hdmi_audio_infoframe_init
+ snd_ctl_add
+ snd_ctl_new1
+ snd_pcm_add_chmap_ctls
+ snd_pcm_create_iec958_consumer_hw_params
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_eld
+ snd_soc_dapm_add_routes
+ snd_soc_jack_report
+
+# required by snd-soc-simple-card-utils.ko
+ devm_get_clk_from_child
+ devm_kasprintf
+ devm_kvasprintf
+ snd_soc_card_jack_new
+ snd_soc_dai_set_sysclk
+ snd_soc_dai_set_tdm_slot
+ snd_soc_dapm_get_pin_switch
+ snd_soc_dapm_info_pin_switch
+ snd_soc_dapm_put_pin_switch
+ snd_soc_jack_add_gpios
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_parse_audio_simple_widgets
+ snd_soc_of_parse_card_name
+ snd_soc_of_parse_daifmt
+ snd_soc_runtime_calc_hw
+
+# required by snd-soc-simple-card.ko
+ devm_snd_soc_register_card
+ of_device_is_available
+ of_get_next_child
+ of_get_parent
+ of_parse_phandle_with_args
+ snd_soc_dai_link_set_capabilities
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_aux_devs
+ snd_soc_of_parse_node_prefix
+ snd_soc_of_parse_tdm_slot
+ snd_soc_pm_ops
+
+# required by spi-pl022.ko
+ devm_gpio_request
+ devm_spi_register_controller
+ __dma_request_channel
+ gpiod_direction_output_raw
+ gpiod_set_raw_value
+ loops_per_jiffy
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_idle_state
+ __spi_alloc_controller
+ spi_controller_resume
+ spi_controller_suspend
+ spi_delay_exec
+ spi_finalize_current_message
+ spi_get_next_queued_message
+
+# required by spidev.ko
+ device_create
+ device_destroy
+ __register_chrdev
+ stream_open
+ __unregister_chrdev
+
+# required by system_heap.ko
+ deferred_free
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_heap_get_dev
+ __sg_page_iter_next
+ __sg_page_iter_start
+
+# required by tcpci_rt1711h.ko
+ i2c_smbus_read_word_data
+ regmap_raw_read
+ regmap_raw_write
+ tcpci_irq
+ tcpci_register_port
+ tcpci_unregister_port
+
+# required by wl18xx.ko
+ kstrtou8_from_user
+
+# required by wlcore.ko
+ bcmp
+ complete_all
+ consume_skb
+ device_create_bin_file
+ device_remove_bin_file
+ dev_pm_clear_wake_irq
+ dev_pm_set_dedicated_wake_irq
+ disable_irq_nosync
+ get_random_u32
+ jiffies_to_msecs
+ jiffies_to_usecs
+ __local_bh_enable_ip
+ __netdev_alloc_skb
+ __nla_parse
+ no_seek_end_llseek
+ _raw_spin_trylock
+ request_firmware_nowait
+ skb_dequeue
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_trim
+ vscnprintf
+
+# required by wlcore_sdio.ko
+ platform_device_add
+ platform_device_add_data
+ platform_device_add_resources
+ platform_device_alloc
+ platform_device_put
+ print_hex_dump
+ sdio_claim_host
+ sdio_disable_func
+ sdio_enable_func
+ sdio_f0_readb
+ sdio_f0_writeb
+ sdio_get_host_pm_caps
+ sdio_memcpy_fromio
+ sdio_memcpy_toio
+ sdio_readsb
+ sdio_register_driver
+ sdio_release_host
+ sdio_set_block_size
+ sdio_set_host_pm_flags
+ sdio_unregister_driver
+ sdio_writesb
diff --git a/android/abi_gki_aarch64_imx b/android/abi_gki_aarch64_imx
new file mode 100644
index 0000000..d9b45b8
--- /dev/null
+++ b/android/abi_gki_aarch64_imx
@@ -0,0 +1,2371 @@
+[abi_symbol_list]
+# commonly used symbols
+ add_wait_queue
+ alloc_chrdev_region
+ alloc_etherdev_mqs
+ alloc_netdev_mqs
+ alloc_pages_exact
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_skb
+ alloc_workqueue
+ __arch_copy_from_user
+ __arch_copy_to_user
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_smc
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ bcmp
+ bdput
+ __bitmap_and
+ bpf_trace_run1
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bsearch
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_add
+ cdev_del
+ cdev_init
+ cec_allocate_adapter
+ cec_delete_adapter
+ cec_received_msg_ts
+ cec_register_adapter
+ cec_transmit_attempt_done_ts
+ cec_unregister_adapter
+ __cfi_slowpath
+ __check_object_size
+ __class_create
+ class_destroy
+ __class_register
+ class_unregister
+ clk_bulk_enable
+ clk_bulk_prepare
+ clk_bulk_unprepare
+ clk_disable
+ clk_enable
+ clk_get
+ __clk_get_name
+ clk_get_parent
+ clk_get_rate
+ __clk_hw_register_divider
+ clk_hw_register_fixed_factor
+ __clk_hw_register_fixed_rate
+ __clk_hw_register_gate
+ __clk_hw_register_mux
+ clk_is_match
+ clk_prepare
+ clk_put
+ clk_round_rate
+ clk_set_parent
+ clk_set_rate
+ clk_unprepare
+ complete
+ complete_all
+ completion_done
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_unbind_all
+ __const_udelay
+ consume_skb
+ _copy_to_iter
+ cpu_bit_bitmap
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ cpumask_next
+ cpu_number
+ __cpu_online_mask
+ __cpu_possible_mask
+ crc32_le
+ crypto_destroy_tfm
+ crypto_register_alg
+ crypto_register_scomp
+ crypto_unregister_alg
+ crypto_unregister_scomp
+ _ctype
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_remove
+ deferred_free
+ delayed_work_timer_fn
+ del_timer
+ del_timer_sync
+ destroy_workqueue
+ dev_alloc_name
+ dev_close
+ dev_driver_string
+ _dev_err
+ dev_err_probe
+ dev_fwnode
+ device_add
+ device_create
+ device_create_file
+ device_del
+ device_destroy
+ device_for_each_child
+ device_get_match_data
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_link_del
+ device_property_present
+ device_property_read_u32_array
+ device_register
+ device_remove_file
+ __device_reset
+ device_set_wakeup_capable
+ device_set_wakeup_enable
+ device_unregister
+ _dev_info
+ __dev_kfree_skb_any
+ devm_add_action
+ devm_clk_bulk_get
+ devm_clk_get
+ devm_clk_get_optional
+ __devm_drm_dev_alloc
+ devm_drm_panel_bridge_add
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_free_irq
+ devm_get_clk_from_child
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_gpiod_get_index
+ devm_gpiod_get_optional
+ devm_gpio_request_one
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ __devm_of_phy_provider_register
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_get
+ devm_platform_ioremap_resource
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_optional
+ devm_regulator_register
+ devm_request_threaded_irq
+ __devm_reset_control_get
+ devm_reset_controller_register
+ devm_snd_dmaengine_pcm_register
+ devm_snd_soc_register_card
+ devm_snd_soc_register_component
+ devm_spi_register_controller
+ devm_thermal_zone_of_sensor_register
+ devm_usb_get_phy_by_phandle
+ devm_watchdog_register_device
+ dev_pm_domain_attach_by_id
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_set_wake_irq
+ devres_add
+ devres_alloc_node
+ devres_free
+ dev_set_name
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_detach
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_free_attrs
+ dma_heap_add
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_sg_attrs
+ dmam_free_coherent
+ dma_mmap_attrs
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ dma_release_channel
+ dma_request_chan
+ __dma_request_channel
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_sg_attrs
+ do_SAK
+ down_interruptible
+ down_read
+ down_trylock
+ down_write
+ driver_unregister
+ drm_add_edid_modes
+ drm_atomic_get_crtc_state
+ drm_atomic_helper_bridge_destroy_state
+ drm_atomic_helper_bridge_duplicate_state
+ drm_atomic_helper_bridge_reset
+ drm_atomic_helper_check
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit
+ drm_atomic_helper_commit_hw_done
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ drm_atomic_helper_commit_tail_rpm
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ __drm_atomic_helper_crtc_destroy_state
+ drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_crtc_reset
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_page_flip
+ drm_atomic_helper_plane_destroy_state
+ drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_plane_reset
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_vblanks
+ drm_bridge_add
+ drm_bridge_attach
+ drm_bridge_connector_init
+ drm_bridge_hpd_notify
+ drm_bridge_remove
+ drm_compat_ioctl
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_unregister
+ drm_connector_update_edid_property
+ drm_crtc_arm_vblank_event
+ drm_crtc_cleanup
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_get
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ __drm_dbg
+ drm_default_rgb_quant_range
+ drm_detect_hdmi_monitor
+ drm_detect_monitor_audio
+ drm_dev_alloc
+ drm_dev_dbg
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_display_info_set_bus_formats
+ drm_display_mode_from_videomode
+ drm_display_mode_to_videomode
+ drm_do_get_edid
+ drm_encoder_cleanup
+ drm_encoder_init
+ __drm_err
+ drm_fb_cma_get_gem_obj
+ drm_gem_cma_create_object_default_funcs
+ drm_gem_cma_dumb_create
+ drm_gem_cma_mmap
+ drm_gem_cma_prime_import_sg_table
+ drm_gem_cma_prime_mmap
+ drm_gem_fb_create
+ drm_gem_fb_prepare_fb
+ drm_gem_object_free
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_get_edid
+ drm_get_format_name
+ drm_hdmi_avi_infoframe_from_display_mode
+ drm_hdmi_avi_infoframe_quant_range
+ drm_hdmi_infoframe_set_hdr_metadata
+ drm_hdmi_vendor_infoframe_from_display_mode
+ drm_helper_hpd_irq_event
+ drm_helper_probe_single_connector_modes
+ drm_ioctl
+ drm_irq_install
+ drm_irq_uninstall
+ drm_kms_helper_hotplug_event
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drm_match_cea_mode
+ drmm_mode_config_init
+ drm_mode_config_cleanup
+ drm_mode_config_helper_resume
+ drm_mode_config_helper_suspend
+ drm_mode_config_reset
+ drm_mode_copy
+ drm_mode_destroy
+ drm_mode_duplicate
+ drm_mode_equal
+ drm_mode_find_dmt
+ drm_mode_is_420_also
+ drm_mode_is_420_only
+ drm_mode_probed_add
+ drm_mode_set_name
+ drm_mode_vrefresh
+ drm_object_attach_property
+ drm_of_component_match_add
+ drm_of_find_panel_or_bridge
+ drm_of_find_possible_crtcs
+ drm_open
+ drm_panel_add
+ drm_panel_disable
+ drm_panel_init
+ drm_panel_of_backlight
+ drm_panel_remove
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_plane_create_zpos_immutable_property
+ drm_poll
+ drm_read
+ drm_release
+ drm_simple_encoder_init
+ drm_universal_plane_init
+ drm_vblank_init
+ dump_stack
+ enable_irq
+ ether_setup
+ ethtool_op_get_link
+ eth_type_trans
+ eth_validate_addr
+ event_triggers_call
+ extcon_set_state_sync
+ failure_tracking
+ find_next_bit
+ finish_wait
+ flush_work
+ flush_workqueue
+ fput
+ free_irq
+ free_netdev
+ __free_pages
+ free_pages_exact
+ free_percpu
+ fwnode_graph_get_next_endpoint
+ fwnode_handle_put
+ fwnode_property_present
+ fwnode_property_read_string
+ fwnode_property_read_u32_array
+ fwnode_property_read_u64_array
+ gcd
+ generic_handle_irq
+ __genphy_config_aneg
+ genphy_read_abilities
+ genphy_read_mmd_unsupported
+ genphy_read_status
+ genphy_resume
+ genphy_soft_reset
+ genphy_suspend
+ genphy_write_mmd_unsupported
+ gen_pool_free_owner
+ get_cpu_device
+ get_device
+ get_random_bytes
+ gic_nonsecure_priorities
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_optional
+ gpiod_get_value
+ gpiod_get_value_cansleep
+ gpiod_set_consumer_name
+ gpiod_set_raw_value
+ gpiod_set_raw_value_cansleep
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_request
+ gpio_to_desc
+ handle_level_irq
+ handle_sysrq
+ hdmi_audio_infoframe_init
+ hdmi_audio_infoframe_pack
+ hdmi_avi_infoframe_pack
+ hdmi_drm_infoframe_pack
+ hdmi_vendor_infoframe_pack
+ i2c_add_adapter
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_generic_scl_recovery
+ i2c_new_dummy_device
+ i2c_put_adapter
+ i2c_recover_bus
+ i2c_register_driver
+ i2c_smbus_read_byte_data
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ i2c_unregister_device
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ idr_alloc
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_preload
+ idr_remove
+ init_net
+ __init_swait_queue_head
+ init_timer_key
+ init_wait_entry
+ __init_waitqueue_head
+ input_allocate_device
+ input_event
+ input_mt_init_slots
+ input_mt_report_slot_state
+ input_register_device
+ input_set_abs_params
+ input_set_capability
+ input_unregister_device
+ iomem_resource
+ __ioremap
+ iounmap
+ irq_domain_add_legacy
+ irq_domain_remove
+ irq_domain_simple_ops
+ irq_find_mapping
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_chained_handler_and_data
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irq_wake
+ is_vmalloc_addr
+ jiffies
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kfree
+ kfree_sensitive
+ kfree_skb
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kobject_create_and_add
+ kobject_put
+ kobject_uevent_env
+ kstrdup
+ kstrtoint
+ kstrtou16
+ kstrtouint
+ kstrtoull
+ kthread_create_on_node
+ kthread_should_stop
+ kthread_stop
+ ktime_get
+ ktime_get_mono_fast_ns
+ ktime_get_real_ts64
+ ktime_get_with_offset
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ __list_add_valid
+ __list_del_entry_valid
+ __local_bh_enable_ip
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ lzo1x_decompress_safe
+ mbox_free_channel
+ mbox_request_channel_byname
+ mbox_send_message
+ mdiobus_read
+ mdiobus_write
+ media_create_pad_link
+ media_device_cleanup
+ media_device_init
+ __media_device_register
+ media_device_unregister
+ media_entity_pads_init
+ media_entity_remote_pad
+ memcmp
+ memcpy
+ __memcpy_fromio
+ memdup_user
+ memmove
+ memset
+ __memset_io
+ memstart_addr
+ mipi_dsi_attach
+ mipi_dsi_create_packet
+ mipi_dsi_dcs_enter_sleep_mode
+ mipi_dsi_dcs_exit_sleep_mode
+ mipi_dsi_dcs_set_display_off
+ mipi_dsi_dcs_set_display_on
+ mipi_dsi_detach
+ mipi_dsi_device_register_full
+ mipi_dsi_device_unregister
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ misc_deregister
+ misc_register
+ mod_delayed_work_on
+ mod_timer
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_unlock
+ napi_complete_done
+ napi_disable
+ napi_gro_receive
+ __napi_schedule
+ napi_schedule_prep
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netif_carrier_off
+ netif_carrier_on
+ netif_device_attach
+ netif_device_detach
+ netif_napi_add
+ netif_receive_skb
+ netif_rx
+ netif_rx_ni
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_broadcast
+ net_ratelimit
+ __nla_parse
+ nla_put
+ no_llseek
+ noop_llseek
+ nr_cpu_ids
+ ns_to_timespec64
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_hw_provider
+ of_clk_get
+ of_clk_hw_onecell_get
+ of_count_phandle_with_args
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_dma_controller_register
+ of_drm_find_bridge
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_i2c_device_by_node
+ of_find_matching_node_and_match
+ of_find_mipi_dsi_host_by_node
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_opts_by_path
+ of_find_property
+ of_genpd_add_provider_simple
+ of_genpd_del_provider
+ of_get_child_by_name
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_parent
+ of_get_property
+ of_graph_get_next_endpoint
+ of_graph_get_port_by_id
+ of_graph_get_remote_node
+ of_graph_get_remote_port_parent
+ of_iomap
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_node_name_eq
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_phy_simple_xlate
+ of_platform_depopulate
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_variable_u32_array
+ of_pwm_xlate_with_flags
+ of_reserved_mem_lookup
+ of_reset_control_array_get
+ of_thermal_get_trip_points
+ of_usb_get_phy_mode
+ oops_in_progress
+ __page_pinner_migration_failed
+ param_array_ops
+ param_ops_bool
+ param_ops_charp
+ param_ops_int
+ param_ops_uint
+ param_ops_ulong
+ __pci_register_driver
+ pci_set_master
+ pci_unregister_driver
+ __per_cpu_offset
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_drivers_register
+ phy_drivers_unregister
+ phy_exit
+ phy_init
+ phy_init_hw
+ phy_modify
+ phy_power_off
+ phy_power_on
+ phy_read_mmd
+ phy_write_mmd
+ pinctrl_dev_get_drvdata
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_select_state
+ platform_device_add
+ platform_device_add_data
+ platform_device_alloc
+ platform_device_put
+ platform_device_register
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_irq_optional
+ platform_get_resource
+ platform_get_resource_byname
+ platform_irq_count
+ pm_genpd_init
+ pm_genpd_remove
+ __pm_relax
+ pm_runtime_allow
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ pm_runtime_no_callbacks
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ pm_system_wakeup
+ pm_wakeup_dev_event
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ printk
+ pskb_expand_head
+ __pskb_pull_tail
+ put_device
+ __put_page
+ __put_task_struct
+ pwmchip_add
+ pwmchip_remove
+ queue_delayed_work_on
+ queue_work_on
+ ___ratelimit
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ rb_erase
+ rb_insert_color
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_drvdata
+ rdev_get_id
+ refcount_warn_saturate
+ regcache_cache_only
+ regcache_mark_dirty
+ regcache_sync
+ __register_chrdev
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_reboot_notifier
+ __register_rpmsg_driver
+ register_virtio_driver
+ regmap_attach_dev
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_bulk_disable
+ regulator_bulk_enable
+ regulator_disable
+ regulator_disable_regmap
+ regulator_enable
+ regulator_enable_regmap
+ regulator_get_voltage_sel_regmap
+ regulator_is_enabled
+ regulator_is_enabled_regmap
+ regulator_list_voltage_table
+ regulator_set_voltage
+ regulator_set_voltage_sel_regmap
+ regulator_set_voltage_time_sel
+ release_firmware
+ __release_region
+ remap_pfn_range
+ remove_proc_entry
+ remove_wait_queue
+ request_firmware
+ request_firmware_nowait
+ __request_module
+ __request_region
+ request_threaded_irq
+ reset_control_assert
+ reset_control_deassert
+ round_jiffies_relative
+ rpmsg_send
+ rpmsg_sendto
+ rproc_add
+ rproc_add_carveout
+ rproc_alloc
+ rproc_coredump_add_segment
+ rproc_da_to_va
+ rproc_del
+ rproc_elf_get_boot_addr
+ rproc_elf_load_rsc_table
+ rproc_elf_sanity_check
+ rproc_free
+ rproc_mem_entry_init
+ rproc_vq_interrupt
+ rtc_time64_to_tm
+ rtc_tm_to_time64
+ rtc_update_irq
+ rtnl_is_locked
+ rtnl_lock
+ rtnl_unlock
+ schedule
+ schedule_timeout
+ scmi_driver_register
+ scmi_driver_unregister
+ scnprintf
+ seq_lseek
+ seq_printf
+ seq_puts
+ seq_read
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ simple_strtoul
+ single_open
+ single_release
+ skb_copy_bits
+ skb_dequeue
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_purge
+ skb_queue_tail
+ skb_trim
+ snd_ctl_boolean_mono_info
+ snd_dma_alloc_pages
+ snd_dmaengine_pcm_prepare_slave_config
+ snd_dmaengine_pcm_set_config_from_dai_data
+ snd_dma_free_pages
+ snd_hwparams_to_dma_slave_config
+ snd_pcm_format_physical_width
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_constraint_list
+ snd_pcm_hw_constraint_step
+ snd_pcm_hw_rule_add
+ snd_pcm_period_elapsed
+ snd_soc_add_component_controls
+ snd_soc_card_jack_new
+ snd_soc_component_read
+ snd_soc_component_update_bits
+ snd_soc_component_write
+ snd_soc_dai_active
+ snd_soc_dai_set_fmt
+ snd_soc_dai_set_sysclk
+ snd_soc_dai_set_tdm_slot
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_ignore_suspend
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_put_volsw
+ snd_soc_dpcm_get_substream
+ snd_soc_get_enum_double
+ snd_soc_get_pcm_runtime
+ snd_soc_get_volsw
+ snd_soc_info_enum_double
+ snd_soc_info_volsw
+ snd_soc_jack_report
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_parse_card_name
+ snd_soc_of_parse_daifmt
+ snd_soc_params_to_bclk
+ snd_soc_pm_ops
+ snd_soc_put_enum_double
+ snd_soc_put_volsw
+ snd_soc_set_runtime_hwparams
+ snprintf
+ soc_device_match
+ sort
+ __spi_alloc_controller
+ spi_mem_default_supports_op
+ __spi_register_driver
+ sprintf
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ strcasecmp
+ strcmp
+ strcpy
+ strlcpy
+ strlen
+ strncmp
+ strncpy
+ strrchr
+ strscpy
+ strstr
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_compatible
+ syscon_regmap_lookup_by_phandle
+ sysfs_create_file_ns
+ sysfs_create_files
+ sysfs_create_group
+ sysfs_remove_file_ns
+ sysfs_remove_group
+ sysrq_mask
+ system_freezable_wq
+ system_wq
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ trace_raw_output_prep
+ trace_seq_printf
+ try_module_get
+ tty_flip_buffer_push
+ __tty_insert_flip_char
+ tty_insert_flip_string_fixed_flag
+ uart_add_one_port
+ uart_console_device
+ uart_console_write
+ uart_get_baud_rate
+ uart_get_rs485_mode
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ __udelay
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_netdev
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_rpmsg_driver
+ unregister_virtio_driver
+ up
+ up_read
+ up_write
+ usb_add_phy_dev
+ usb_remove_phy
+ usleep_range
+ v4l2_async_notifier_add_fwnode_subdev
+ v4l2_async_notifier_add_subdev
+ v4l2_async_notifier_cleanup
+ v4l2_async_notifier_init
+ v4l2_async_notifier_register
+ v4l2_async_notifier_unregister
+ v4l2_async_register_subdev
+ v4l2_async_unregister_subdev
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_handler_setup
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu
+ v4l2_ctrl_subscribe_event
+ v4l2_device_register
+ __v4l2_device_register_subdev_nodes
+ v4l2_device_unregister
+ v4l2_device_unregister_subdev
+ v4l2_event_pending
+ v4l2_event_queue
+ v4l2_event_queue_fh
+ v4l2_event_subscribe
+ v4l2_event_unsubscribe
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_i2c_subdev_init
+ v4l2_m2m_buf_queue
+ v4l2_m2m_buf_remove
+ v4l2_m2m_ctx_init
+ v4l2_m2m_ctx_release
+ v4l2_m2m_fop_mmap
+ v4l2_m2m_fop_poll
+ v4l2_m2m_get_curr_priv
+ v4l2_m2m_get_vq
+ v4l2_m2m_init
+ v4l2_m2m_ioctl_create_bufs
+ v4l2_m2m_ioctl_expbuf
+ v4l2_m2m_ioctl_prepare_buf
+ v4l2_m2m_ioctl_querybuf
+ v4l2_m2m_ioctl_reqbufs
+ v4l2_m2m_ioctl_streamoff
+ v4l2_m2m_ioctl_streamon
+ v4l2_m2m_job_finish
+ v4l2_m2m_next_buf
+ v4l2_m2m_release
+ v4l2_src_change_event_subscribe
+ v4l2_subdev_call_wrappers
+ v4l2_subdev_init
+ v4l2_subdev_link_validate
+ v4l_bound_align_image
+ vabits_actual
+ vb2_buffer_done
+ vb2_dma_contig_memops
+ vb2_dqbuf
+ vb2_expbuf
+ vb2_fop_mmap
+ vb2_fop_poll
+ vb2_mmap
+ vb2_ops_wait_finish
+ vb2_ops_wait_prepare
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_poll
+ vb2_qbuf
+ vb2_querybuf
+ vb2_queue_init
+ vb2_queue_release
+ vb2_reqbufs
+ vb2_streamoff
+ vb2_streamon
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+ vfree
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ virtqueue_add_inbuf
+ virtqueue_add_outbuf
+ virtqueue_get_buf
+ virtqueue_get_vring_size
+ virtqueue_kick
+ virtqueue_kick_prepare
+ virtqueue_notify
+ vmalloc
+ vmalloc_to_page
+ vmap
+ vsnprintf
+ vunmap
+ wait_for_completion_interruptible
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_timeout
+ __wake_up
+ wake_up_process
+ __warn_printk
+ watchdog_init_timeout
+
+# required by adv7511.ko
+ cec_s_phys_addr
+ cec_s_phys_addr_from_edid
+ cec_transmit_done_ts
+ drm_get_connector_status_name
+ hdmi_avi_infoframe_init
+ i2c_new_ancillary_device
+ regmap_register_patch
+
+# required by at803x.ko
+ ethnl_cable_test_fault_length
+ ethnl_cable_test_result
+ genphy_aneg_done
+ genphy_read_lpa
+ genphy_update_link
+ mdio_device_reset
+ phy_modify_changed
+ phy_resolve_aneg_pause
+
+# required by busfreq-imx8mq.ko
+ register_pm_notifier
+
+# required by cdns_mhdp_drmcore.ko
+ drm_connector_attach_content_protection_property
+ drm_dp_aux_register
+ drm_dp_aux_unregister
+ drm_dp_bw_code_to_link_rate
+ drm_dp_dpcd_read
+ drm_dp_link_rate_to_bw_code
+ drm_hdcp_check_ksvs_revoked
+ drm_hdmi_avi_infoframe_colorspace
+ drm_mode_create_hdmi_colorspace_property
+ drm_modeset_lock
+ drm_modeset_unlock
+ hdmi_avi_infoframe_check
+ seq_write
+
+# required by cfg80211.ko
+ bpf_trace_run10
+ bpf_trace_run7
+ debugfs_rename
+ dev_change_net_namespace
+ __dev_get_by_index
+ dev_get_by_index
+ device_rename
+ genlmsg_multicast_allns
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ inet_csk_get_port
+ init_uts_ns
+ key_create_or_update
+ key_put
+ keyring_alloc
+ ktime_get_coarse_with_offset
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_ns_type_operations
+ nla_find
+ nla_memcpy
+ nla_put_64bit
+ nla_reserve
+ __nla_validate
+ of_prop_next_u32
+ __put_net
+ register_pernet_device
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ skb_add_rx_frag
+ __sock_create
+ sock_release
+ sysfs_create_link
+ sysfs_remove_link
+ system_power_efficient_wq
+ trace_print_array_seq
+ unregister_pernet_device
+ verify_pkcs7_signature
+ wireless_nlevent_flush
+
+# required by ci_hdrc.ko
+ devm_extcon_register_notifier
+ devm_usb_get_phy
+ ehci_handshake
+ ehci_hub_control
+ ehci_init_driver
+ ehci_setup
+ extcon_get_edev_by_phandle
+ extcon_get_state
+ of_usb_host_tpl_support
+ of_usb_update_otg_caps
+ phy_set_mode_ext
+ platform_device_add_resources
+ usb_add_gadget_udc
+ usb_add_hcd
+ __usb_create_hcd
+ usb_debug_root
+ usb_del_gadget_udc
+ usb_disabled
+ usb_ep_alloc_request
+ usb_ep_clear_halt
+ usb_ep_disable
+ usb_ep_enable
+ usb_ep_fifo_flush
+ usb_ep_free_request
+ usb_ep_set_halt
+ usb_ep_set_maxpacket_limit
+ usb_gadget_connect
+ usb_gadget_disconnect
+ usb_gadget_giveback_request
+ usb_gadget_map_request_by_dev
+ usb_gadget_set_state
+ usb_gadget_udc_reset
+ usb_gadget_unmap_request
+ usb_gadget_unmap_request_by_dev
+ usb_gadget_vbus_connect
+ usb_gadget_vbus_disconnect
+ usb_get_dr_mode
+ usb_get_maximum_speed
+ usb_hcd_irq
+ usb_phy_set_charger_current
+ usb_phy_set_charger_state
+ usb_phy_set_event
+ usb_put_hcd
+ usb_remove_hcd
+ usb_role_switch_get_drvdata
+ usb_role_switch_register
+ usb_role_switch_unregister
+ usb_udc_vbus_handler
+
+# required by ci_hdrc_pci.ko
+ pcim_enable_device
+ pci_try_set_mwi
+
+# required by clk-imx8ulp.ko
+ devm_of_clk_add_hw_provider
+
+# required by cma_heap.ko
+ cma_alloc
+ cma_get_name
+ cma_release
+ dma_contiguous_default_area
+
+# required by cpufreq-dt.ko
+ cpufreq_enable_boost_support
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_generic_frequency_table_verify
+ cpufreq_generic_get
+ cpufreq_generic_suspend
+ cpufreq_register_driver
+ cpufreq_unregister_driver
+ dev_pm_opp_free_cpufreq_table
+ dev_pm_opp_get_max_transition_latency
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_opp_table
+ dev_pm_opp_get_sharing_cpus
+ dev_pm_opp_get_suspend_opp_freq
+ dev_pm_opp_init_cpufreq_table
+ dev_pm_opp_of_cpumask_add_table
+ dev_pm_opp_of_cpumask_remove_table
+ dev_pm_opp_of_get_sharing_cpus
+ dev_pm_opp_of_register_em
+ dev_pm_opp_put_opp_table
+ dev_pm_opp_put_regulators
+ dev_pm_opp_set_rate
+ dev_pm_opp_set_regulators
+ dev_pm_opp_set_sharing_cpus
+ policy_has_boost_freq
+
+# required by cqhci.ko
+ devm_blk_ksm_init
+ mmc_cqe_request_done
+
+# required by device_cooling.ko
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+
+# required by dummy_battery.ko
+ power_supply_register
+ power_supply_unregister
+
+# required by dw-hdmi-cec.ko
+ cec_notifier_cec_adap_register
+ cec_notifier_cec_adap_unregister
+ devm_remove_action
+
+# required by dw-hdmi.ko
+ cec_fill_conn_info_from_drm
+ cec_notifier_conn_register
+ cec_notifier_conn_unregister
+ cec_notifier_set_phys_addr
+ cec_notifier_set_phys_addr_from_edid
+ drm_atomic_get_new_connector_for_encoder
+ drm_connector_attach_max_bpc_property
+ drm_connector_init_with_ddc
+ drm_scdc_read
+ drm_scdc_set_high_tmds_clock_ratio
+ drm_scdc_set_scrambling
+ drm_scdc_write
+ of_get_i2c_adapter_by_node
+
+# required by dw_hdmi-imx.ko
+ devm_phy_optional_get
+ drm_of_encoder_active_endpoint
+
+# required by fec.ko
+ ethtool_op_get_ts_info
+ mdiobus_alloc_size
+ mdiobus_free
+ mdiobus_is_registered_device
+ mdiobus_unregister
+ netdev_pick_tx
+ netif_schedule_queue
+ of_get_mac_address
+ of_get_phy_mode
+ of_mdiobus_register
+ of_phy_connect
+ of_phy_deregister_fixed_link
+ of_phy_find_device
+ of_phy_is_fixed_link
+ of_phy_register_fixed_link
+ param_ops_byte
+ phy_attached_info
+ phy_connect
+ phy_disconnect
+ phy_ethtool_get_eee
+ phy_ethtool_get_link_ksettings
+ phy_ethtool_nway_reset
+ phy_ethtool_set_eee
+ phy_ethtool_set_link_ksettings
+ phy_init_eee
+ phy_mii_ioctl
+ phy_print_status
+ phy_remove_link_mode
+ phy_reset_after_clk_enable
+ phy_set_max_speed
+ phy_set_sym_pause
+ phy_start
+ phy_start_aneg
+ phy_stop
+ phy_support_sym_pause
+ platform_get_irq_byname_optional
+ skb_tstamp_tx
+ timecounter_cyc2time
+ timecounter_init
+ timecounter_read
+ tso_build_data
+ tso_build_hdr
+ tso_count_descs
+ tso_start
+
+# required by fsl-edma-v3.ko
+ dma_get_slave_channel
+ of_dma_controller_free
+
+# required by fsl_imx8_ddr_perf.ko
+ bitmap_print_to_pagebuf
+ cpumask_any_but
+ irq_set_affinity_hint
+ of_irq_get
+ perf_pmu_migrate_context
+ perf_pmu_register
+ perf_pmu_unregister
+
+# required by fsl_lpuart.ko
+ add_timer
+ console_suspend_enabled
+ tty_kref_put
+ tty_port_tty_get
+ tty_termios_baud_rate
+
+# required by galcore.ko
+ anon_inode_getfd
+ cache_line_size
+ dev_pm_opp_add
+ dev_pm_opp_remove
+ dma_fence_array_ops
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_init
+ dma_fence_release
+ dma_fence_signal
+ dma_fence_signal_locked
+ dma_fence_wait_timeout
+ down
+ driver_create_file
+ driver_remove_file
+ drm_gem_handle_create
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_private_object_init
+ fd_install
+ find_vma
+ find_vpid
+ get_unused_fd_flags
+ get_user_pages
+ hrtimer_resolution
+ iommu_attach_device
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_map
+ iommu_set_fault_handler
+ iommu_unmap
+ kstrtoint_from_user
+ ktime_get_ts64
+ mutex_trylock
+ param_ops_ullong
+ pid_task
+ platform_bus_type
+ reset_control_reset
+ schedule_hrtimeout
+ sync_file_create
+ sync_file_get_fence
+ __task_pid_nr_ns
+ _totalram_pages
+ vm_mmap
+ vm_munmap
+ vm_zone_stat
+
+# required by gmsl-max9286.ko
+ i2c_smbus_write_byte_data
+
+# required by goodix.ko
+ gpiod_direction_input
+ input_alloc_absinfo
+ input_mt_sync_frame
+ touchscreen_parse_properties
+ touchscreen_report_pos
+ wait_for_completion
+
+# required by gpio-imx-rpmsg.ko
+ __irq_alloc_descs
+
+# required by gpio-ir-recv.ko
+ devm_rc_allocate_device
+ devm_rc_register_device
+ ir_raw_event_store_edge
+
+# required by gpio-mxc.ko
+ bgpio_init
+ __devm_irq_alloc_descs
+ devm_irq_alloc_generic_chip
+ devm_irq_setup_generic_chip
+ gpiochip_lock_as_irq
+ gpiochip_unlock_as_irq
+ irq_gc_ack_set_bit
+ irq_gc_mask_clr_bit
+ irq_gc_mask_set_bit
+ __irq_set_handler
+ register_syscore_ops
+
+# required by gpio-pca953x.ko
+ __bitmap_complement
+ __bitmap_or
+ __bitmap_replace
+ __bitmap_xor
+ handle_nested_irq
+ handle_simple_irq
+ regcache_sync_region
+
+# required by gpio-regulator.ko
+ devm_kstrdup
+ gpiod_count
+ of_get_regulator_init_data
+
+# required by gpio-reset.ko
+ reset_controller_register
+ reset_controller_unregister
+
+# required by gpio-switch.ko
+ typec_switch_get_drvdata
+ typec_switch_register
+ typec_switch_unregister
+
+# required by gpio-vf610.ko
+ handle_edge_irq
+ pinctrl_gpio_direction_input
+ pinctrl_gpio_direction_output
+
+# required by hwmon.ko
+ devres_release
+ kobject_uevent
+ kstrtoll
+ strpbrk
+ sysfs_notify
+ thermal_zone_device_update
+
+# required by i2c-imx-lpi2c.ko
+ i2c_get_dma_safe_msg_buf
+ i2c_put_dma_safe_msg_buf
+ pinctrl_pm_select_idle_state
+
+# required by i2c-imx.ko
+ clk_notifier_register
+ clk_notifier_unregister
+ i2c_add_numbered_adapter
+
+# required by imx-cpufreq-dt.ko
+ clk_bulk_get
+ clk_bulk_put
+ dev_pm_opp_put_supported_hw
+ dev_pm_opp_set_supported_hw
+ nvmem_cell_read_u32
+
+# required by imx-dcnano-drm.ko
+ drm_crtc_vblank_helper_get_vblank_timestamp
+ drm_crtc_vblank_put
+ of_graph_parse_endpoint
+
+# required by imx-dcss.ko
+ devm_clk_put
+ devm_iounmap
+ drm_atomic_get_connector_state
+ drm_atomic_helper_check_modeset
+ drm_atomic_helper_check_planes
+ drm_atomic_helper_disable_planes_on_crtc
+ drm_atomic_normalize_zpos
+ drm_bridge_connector_disable_hpd
+ drm_bridge_connector_enable_hpd
+ drm_gem_cma_free_object
+ drm_gem_cma_prime_get_sg_table
+ drm_gem_cma_prime_vmap
+ drm_gem_cma_prime_vunmap
+ drm_gem_cma_vm_ops
+ drm_gem_prime_export
+ drm_gem_prime_import
+ drm_plane_create_alpha_property
+ drm_plane_create_color_properties
+ drm_plane_create_rotation_property
+ drm_property_create_range
+
+# required by imx-lcdif-crtc.ko
+ drm_property_destroy
+
+# required by imx-mailbox.ko
+ devm_mbox_controller_register
+ mbox_chan_received_data
+ mbox_chan_txdone
+
+# required by imx-pcm-dma-v2.ko
+ dma_get_slave_caps
+ snd_dmaengine_pcm_close_release_chan
+ snd_dmaengine_pcm_get_chan
+ snd_dmaengine_pcm_open
+ snd_dmaengine_pcm_open_request_chan
+ snd_dmaengine_pcm_pointer
+ snd_dmaengine_pcm_trigger
+
+# required by imx-pcm-rpmsg.ko
+ __pm_stay_awake
+ snd_soc_lookup_component
+ wakeup_source_register
+ wakeup_source_unregister
+
+# required by imx-sdma.ko
+ gen_pool_dma_alloc
+ krealloc
+ of_gen_pool_get
+
+# required by imx.ko
+ hrtimer_init
+ hrtimer_start_range_ns
+ hrtimer_try_to_cancel
+ mctrl_gpio_disable_ms
+ mctrl_gpio_enable_ms
+ mctrl_gpio_get
+ mctrl_gpio_init
+ mctrl_gpio_set
+ rational_best_approximation
+ tty_termios_encode_baud_rate
+ uart_get_divisor
+ uart_handle_cts_change
+ uart_handle_dcd_change
+
+# required by imx2_wdt.ko
+ _dev_crit
+ __platform_driver_probe
+ watchdog_set_restart_priority
+
+# required by imx8-isi-cap.ko
+ media_graph_walk_cleanup
+ media_graph_walk_init
+ media_graph_walk_next
+ media_graph_walk_start
+ v4l2_fh_open
+ v4l2_g_parm_cap
+ v4l2_s_parm_cap
+ _vb2_fop_release
+ vb2_ioctl_create_bufs
+ vb2_ioctl_dqbuf
+ vb2_ioctl_expbuf
+ vb2_ioctl_prepare_buf
+ vb2_ioctl_qbuf
+ vb2_ioctl_querybuf
+ vb2_ioctl_reqbufs
+ vb2_ioctl_streamoff
+ vb2_ioctl_streamon
+
+# required by imx8-isi-m2m.ko
+ v4l2_m2m_ioctl_dqbuf
+ v4l2_m2m_ioctl_qbuf
+
+# required by imx8-media-dev.ko
+ v4l2_device_register_subdev
+
+# required by imx8m_pm_domains.ko
+ of_genpd_add_subdomain
+
+# required by imx8mm_thermal.ko
+ thermal_zone_bind_cooling_device
+
+# required by imx8mp-ldb.ko
+ devm_of_phy_get
+
+# required by imx_dsp_rproc.ko
+ rproc_of_parse_firmware
+
+# required by imx_rproc.ko
+ rproc_elf_find_loaded_rsc_table
+ rproc_elf_load_segments
+
+# required by imxdrm.ko
+ component_match_add_release
+
+# required by input-polldev.ko
+ devres_destroy
+
+# required by irq-imx-irqsteer.ko
+ __irq_domain_add
+ irq_domain_xlate_onecell
+
+# required by kfifo_buf.ko
+ iio_buffer_init
+ iio_buffer_put
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_to_user
+
+# required by leds-gpio.ko
+ device_get_child_node_count
+ device_get_next_child_node
+ devm_fwnode_gpiod_get_index
+ devm_led_classdev_register_ext
+ gpiod_cansleep
+ gpiod_set_value
+
+# required by lpa_ctrl.ko
+ sysfs_create_groups
+
+# required by lzo-rle.ko
+ lzorle1x_1_compress
+
+# required by lzo.ko
+ lzo1x_1_compress
+
+# required by mac80211.ko
+ __alloc_percpu_gfp
+ arc4_crypt
+ arc4_setkey
+ call_rcu
+ crc32_be
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_alloc_aead
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ __crypto_memneq
+ crypto_shash_digest
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ __crypto_xor
+ dev_fetch_sw_netstats
+ dev_printk
+ dev_queue_xmit
+ eth_mac_addr
+ flush_delayed_work
+ get_random_u32
+ __hw_addr_init
+ __hw_addr_sync
+ __hw_addr_unsync
+ kernel_param_lock
+ kernel_param_unlock
+ kfree_skb_list
+ ktime_get_seconds
+ netdev_set_default_ethtool_ops
+ netif_receive_skb_list
+ prandom_bytes
+ ___pskb_trim
+ rcu_barrier
+ rhashtable_free_and_destroy
+ rhashtable_insert_slow
+ rhltable_init
+ __rht_bucket_nested
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ round_jiffies
+ round_jiffies_up
+ skb_checksum_help
+ skb_clone
+ skb_clone_sk
+ skb_complete_wifi_ack
+ skb_copy
+ skb_copy_expand
+ skb_ensure_writable
+ __skb_get_hash
+ __skb_gso_segment
+ skb_queue_head
+ unregister_netdevice_many
+ __usecs_to_jiffies
+
+# required by micrel.ko
+ genphy_restart_aneg
+ phy_modify_mmd
+
+# required by moal.ko
+ default_wake_function
+ hex_dump_to_buffer
+ in4_pton
+ init_dummy_netdev
+ iwe_stream_add_event
+ iwe_stream_add_point
+ iwe_stream_add_value
+ iw_handler_get_spy
+ iw_handler_get_thrspy
+ iw_handler_set_spy
+ iw_handler_set_thrspy
+ ktime_get_raw_ts64
+ mmc_hw_reset
+ mmc_set_data_timeout
+ mmc_wait_for_req
+ __netif_napi_del
+ __netlink_kernel_create
+ netlink_kernel_release
+ panic
+ param_ops_ushort
+ pci_choose_state
+ pci_disable_device
+ pci_disable_msi
+ pci_disable_msix
+ pci_enable_device
+ pci_enable_msi
+ pci_enable_msix_range
+ pci_enable_wake
+ pci_iomap
+ pci_read_config_dword
+ pci_release_region
+ pci_request_region
+ pci_reset_function
+ pci_restore_state
+ pci_save_state
+ pci_set_power_state
+ PDE_DATA
+ pm_wakeup_ws_event
+ proc_create_data
+ proc_mkdir
+ request_firmware_direct
+ sdio_claim_host
+ sdio_claim_irq
+ sdio_disable_func
+ sdio_enable_func
+ sdio_f0_readb
+ sdio_f0_writeb
+ sdio_get_host_pm_caps
+ sdio_readb
+ sdio_readsb
+ sdio_register_driver
+ sdio_release_host
+ sdio_release_irq
+ sdio_set_block_size
+ sdio_set_host_pm_flags
+ sdio_unregister_driver
+ sdio_writeb
+ sdio_writesb
+ skb_realloc_headroom
+ strcat
+ strchr
+ strim
+ strncasecmp
+ strsep
+ vprintk
+ wakeup_source_add
+ wakeup_source_remove
+ wireless_send_event
+
+# required by mpl3115.ko
+ i2c_smbus_read_i2c_block_data
+ i2c_smbus_write_i2c_block_data
+
+# required by mtd.ko
+ bdi_alloc
+ bdi_put
+ bdi_register
+ deactivate_locked_super
+ fixed_size_llseek
+ generic_shutdown_super
+ lockref_get
+ logfc
+ lookup_bdev
+ __module_get
+ nvmem_register
+ nvmem_unregister
+ of_prop_next_string
+ proc_create_single_data
+ sget_fc
+ sysfs_remove_files
+ unregister_reboot_notifier
+
+# required by mux-core.ko
+ class_find_device
+ device_match_of_node
+ down_killable
+
+# required by mux-mmio.ko
+ dev_get_regmap
+ devm_regmap_field_alloc
+ regmap_field_update_bits_base
+
+# required by mx6s_capture.ko
+ vb2_read
+
+# required by mxc-clk.ko
+ __clk_determine_rate
+ clk_divider_ops
+ clk_fractional_divider_ops
+ clk_gate_ops
+ __clk_get_hw
+ clk_hw_get_name
+ clk_hw_get_parent_by_index
+ clk_hw_is_enabled
+ clk_hw_register
+ clk_hw_register_composite
+ clk_hw_unregister
+ clk_mux_index_to_val
+ clk_mux_ops
+ clk_unregister
+ divider_get_val
+ divider_recalc_rate
+ of_clk_get_by_name
+ of_clk_get_from_provider
+
+# required by mxc-jpeg-encdec.ko
+ v4l2_m2m_dqbuf
+ v4l2_m2m_qbuf
+
+# required by mxs-dma.ko
+ dmaenginem_async_device_register
+ tasklet_setup
+
+# required by mxsfb.ko
+ devm_drm_panel_bridge_add_typed
+ drm_atomic_add_affected_planes
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_get_format_info
+
+# required by nvmem-imx-ocotp.ko
+ devm_nvmem_register
+
+# required by nwl-dsi.ko
+ drm_bridge_chain_enable
+ drm_mode_debug_printmodeline
+ drm_panel_bridge_add_typed
+ drm_panel_bridge_remove
+ phy_configure
+ phy_mipi_dphy_get_default_config
+ phy_validate
+
+# required by ofpart.ko
+ of_n_addr_cells
+ of_n_size_cells
+
+# required by ov5640.ko
+ v4l2_ctrl_auto_cluster
+ v4l2_ctrl_new_std_menu_items
+ __v4l2_ctrl_s_ctrl_int64
+ v4l2_ctrl_subdev_log_status
+ v4l2_ctrl_subdev_subscribe_event
+ v4l2_event_subdev_unsubscribe
+ __v4l2_find_nearest_size
+
+# required by ov5640_camera_mipi_v2.ko
+ devm_pinctrl_put
+
+# required by panel-raydium-rm67191.ko
+ devm_backlight_device_register
+ mipi_dsi_dcs_get_display_brightness
+ mipi_dsi_dcs_set_display_brightness
+ mipi_dsi_dcs_set_pixel_format
+ mipi_dsi_dcs_set_tear_on
+ mipi_dsi_dcs_set_tear_scanline
+ mipi_dsi_dcs_soft_reset
+ mipi_dsi_generic_write
+
+# required by panel-raydium-rm68200.ko
+ mipi_dsi_dcs_write
+ mipi_dsi_dcs_write_buffer
+
+# required by panel-simple.ko
+ drm_bus_flags_from_videomode
+ drm_connector_set_panel_orientation
+ drm_mode_create
+ of_drm_get_panel_orientation
+ of_find_i2c_adapter_by_node
+ of_get_display_timing
+ videomode_from_timing
+
+# required by pca9450-regulator.ko
+ regulator_desc_list_voltage_linear_range
+ regulator_list_voltage_linear_range
+
+# required by pci-imx6.ko
+ dw_pcie_ep_init
+ dw_pcie_ep_raise_legacy_irq
+ dw_pcie_ep_raise_msi_irq
+ dw_pcie_ep_raise_msix_irq
+ dw_pcie_ep_reset_bar
+ dw_pcie_find_capability
+ dw_pcie_find_ext_capability
+ dw_pcie_host_init
+ dw_pcie_link_up
+ dw_pcie_msi_init
+ dw_pcie_read
+ dw_pcie_read_dbi
+ dw_pcie_setup_rc
+ dw_pcie_wait_for_link
+ dw_pcie_write_dbi
+ pci_msi_enabled
+ phy_calibrate
+ regulator_get_voltage
+
+# required by pfuze100-regulator.ko
+ of_regulator_match
+ pm_power_off_prepare
+ regulator_list_voltage_linear
+ regulator_map_voltage_ascend
+
+# required by phy-fsl-imx8mq-usb.ko
+ power_supply_get_by_phandle
+ power_supply_get_property
+ power_supply_put
+ power_supply_reg_notifier
+ power_supply_set_property
+ power_supply_unreg_notifier
+
+# required by phy-fsl-samsung-hdmi.ko
+ devm_clk_register
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_src_simple_get
+
+# required by phy-generic.ko
+ regulator_set_current_limit
+
+# required by pinctrl-imx.ko
+ devm_pinctrl_register_and_init
+ pinconf_generic_parse_dt_config
+ pinctrl_enable
+ pinctrl_force_default
+ pinctrl_force_sleep
+ pinctrl_generic_get_group
+ pinctrl_generic_get_group_count
+ pinctrl_generic_get_group_name
+ pinctrl_generic_get_group_pins
+ pin_get_name
+ pinmux_generic_get_function
+ pinmux_generic_get_function_count
+ pinmux_generic_get_function_groups
+ pinmux_generic_get_function_name
+ radix_tree_insert
+
+# required by pps_core.ko
+ fasync_helper
+ kill_fasync
+ kobject_get
+
+# required by ptp.ko
+ kthread_cancel_delayed_work_sync
+ kthread_create_worker
+ kthread_delayed_work_timer_fn
+ kthread_destroy_worker
+ kthread_mod_delayed_work
+ kthread_queue_delayed_work
+ ktime_get_snapshot
+ posix_clock_register
+ posix_clock_unregister
+
+# required by pwm_bl.ko
+ backlight_device_register
+ backlight_device_unregister
+ devm_pwm_get
+ pwm_apply_state
+ pwm_free
+ pwm_request
+
+# required by pwrseq_simple.ko
+ bitmap_alloc
+ devm_gpiod_get_array
+ gpiod_set_array_value_cansleep
+ mmc_pwrseq_register
+ mmc_pwrseq_unregister
+
+# required by pxp_device.ko
+ dma_get_sgtable_attrs
+
+# required by pxp_dma_v3.ko
+ freezing_slow_path
+ __refrigerator
+ set_freezable
+ system_freezing_cnt
+
+# required by qoriq_thermal.ko
+ of_thermal_get_ntrips
+ thermal_zone_of_sensor_unregister
+
+# required by realtek.ko
+ __mdiobus_read
+ __mdiobus_write
+ __phy_modify
+ phy_modify_paged
+ phy_modify_paged_changed
+ phy_read_paged
+ phy_restore_page
+ phy_select_page
+ phy_write_paged
+
+# required by regmap-i3c.ko
+ dev_to_i3cdev
+ i3c_device_do_priv_xfers
+
+# required by reset-dispmix.ko
+ __regmap_init_mmio_clk
+
+# required by rpmsg_life_cycle.ko
+ remove_cpu
+
+# required by rpmsg_raw.ko
+ compat_ptr_ioctl
+ _copy_from_iter_full
+ rpmsg_create_ept
+ rpmsg_destroy_ept
+ rpmsg_poll
+ rpmsg_trysendto
+
+# required by rtc-imx-rpmsg.ko
+ devm_rtc_device_register
+
+# required by rtc-snvs.ko
+ devm_rtc_allocate_device
+ __rtc_register_device
+
+# required by scmi_pm_domain.ko
+ of_genpd_add_provider_onecell
+
+# required by sdhci-esdhc-imx.ko
+ mmc_gpiod_request_cd
+ mmc_gpiod_request_ro
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_gpio_set_cd_wake
+ mmc_of_parse
+ mmc_of_parse_voltage
+ mmc_retune_timer_stop
+ mmc_send_tuning
+ pinctrl_select_default_state
+ sdhci_add_host
+ sdhci_cqe_disable
+ sdhci_cqe_enable
+ sdhci_cqe_irq
+ sdhci_dumpregs
+ sdhci_execute_tuning
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_remove_host
+ sdhci_reset
+ sdhci_resume_host
+ sdhci_runtime_resume_host
+ sdhci_runtime_suspend_host
+ sdhci_suspend_host
+
+# required by sec-dsim.ko
+ drm_atomic_helper_bridge_propagate_bus_fmt
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_prepare
+ of_drm_find_panel
+
+# required by sec_mipi_dsim-imx.ko
+ drm_atomic_get_new_bridge_state
+ reset_control_put
+
+# required by secure_heap.ko
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_create
+ gen_pool_destroy
+
+# required by snd-soc-fsl-asoc-card.ko
+ snd_soc_dai_set_pll
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_enable_pin
+ snd_soc_jack_notifier_register
+
+# required by snd-soc-fsl-asrc.ko
+ snd_dmaengine_pcm_refine_runtime_hwparams
+ snd_soc_lookup_component_nolocked
+
+# required by snd-soc-fsl-dsp-cpu.ko
+ snd_soc_new_compress
+ snd_soc_register_component
+ snd_soc_unregister_component
+
+# required by snd-soc-fsl-easrc.ko
+ snd_pcm_format_big_endian
+ snd_pcm_format_linear
+ snd_pcm_format_unsigned
+ snd_soc_info_xr_sx
+
+# required by snd-soc-fsl-micfil.ko
+ snd_soc_get_volsw_sx
+ snd_soc_info_volsw_sx
+ snd_soc_put_volsw_sx
+
+# required by snd-soc-fsl-spdif.ko
+ regcache_cache_bypass
+ snd_soc_add_dai_controls
+
+# required by snd-soc-hdmi-codec.ko
+ snd_ctl_add
+ snd_ctl_new1
+ snd_pcm_add_chmap_ctls
+ snd_pcm_create_iec958_consumer_hw_params
+ snd_pcm_hw_constraint_eld
+
+# required by snd-soc-imx-ak5558.ko
+ snd_interval_refine
+
+# required by snd-soc-imx-audmux.ko
+ default_llseek
+ simple_open
+ simple_read_from_buffer
+
+# required by snd-soc-imx-cdnhdmi.ko
+ snd_soc_component_set_jack
+
+# required by snd-soc-imx-pcm512x-rpmsg.ko
+ i2c_get_adapter
+ i2c_smbus_read_byte
+ snd_soc_dai_set_bclk_ratio
+ snd_soc_limit_volume
+
+# required by snd-soc-imx-rpmsg.ko
+ of_reserved_mem_device_init_by_idx
+ snd_soc_get_dai_name
+
+# required by snd-soc-rpmsg-ak4497.ko
+ gpio_free
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_put_enum_double
+
+# required by snd-soc-rpmsg-pcm512x.ko
+ devm_regulator_register_notifier
+ snd_ctl_boolean_stereo_info
+ snd_interval_ranges
+ snd_pcm_hw_constraint_ratnums
+ snd_soc_params_to_frame_size
+
+# required by snd-soc-simple-card-utils.ko
+ devm_kvasprintf
+ snd_soc_dapm_get_pin_switch
+ snd_soc_dapm_info_pin_switch
+ snd_soc_dapm_put_pin_switch
+ snd_soc_jack_add_gpios
+ snd_soc_of_parse_audio_simple_widgets
+ snd_soc_runtime_calc_hw
+
+# required by snd-soc-simple-card.ko
+ snd_soc_dai_link_set_capabilities
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_aux_devs
+ snd_soc_of_parse_node_prefix
+ snd_soc_of_parse_tdm_slot
+
+# required by snd-soc-tpa6130a2.ko
+ devm_gpio_request
+
+# required by snvs_pwrkey.ko
+ pm_relax
+
+# required by soc-imx8m.ko
+ of_root
+ soc_device_register
+
+# required by spi-bitbang.ko
+ spi_finalize_current_transfer
+ spi_register_controller
+ spi_unregister_controller
+
+# required by spi-imx.ko
+ sg_last
+
+# required by spi-nor.ko
+ devm_spi_mem_dirmap_create
+ spi_mem_adjust_op_size
+ spi_mem_dirmap_read
+ spi_mem_dirmap_write
+ spi_mem_driver_register_with_owner
+ spi_mem_driver_unregister
+ spi_mem_exec_op
+ spi_mem_get_name
+ spi_mem_supports_op
+
+# required by spi-nxp-fspi.ko
+ spi_mem_dtr_supports_op
+
+# required by spidev.ko
+ find_next_zero_bit
+ spi_setup
+ spi_sync
+ stream_open
+
+# required by st_lsm6dsx.ko
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ iio_device_attach_buffer
+ iio_device_claim_direct_mode
+ iio_device_release_direct_mode
+ iio_get_time_ns
+ iio_push_event
+ iio_push_to_buffers
+ iio_read_mount_matrix
+ iio_show_mount_matrix
+
+# required by st_lsm6dsx_i3c.ko
+ i3c_device_match_id
+ i3c_driver_register_with_owner
+ i3c_driver_unregister
+
+# required by st_lsm6dsx_spi.ko
+ __devm_regmap_init_spi
+ spi_get_device_id
+
+# required by synaptics_dsx_i2c.ko
+ input_free_device
+
+# required by system_heap.ko
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+
+# required by timer-imx-sysctr.ko
+ clockevents_config_and_register
+ timer_of_init
+
+# required by trusty-ipc.ko
+ _copy_from_iter
+ dma_buf_vmap
+ dma_buf_vunmap
+ fget
+ import_iovec
+ strncpy_from_user
+ virtqueue_detach_unused_buf
+ wait_woken
+ woken_wake_function
+
+# required by trusty-irq.ko
+ disable_percpu_irq
+ enable_percpu_irq
+ free_percpu_irq
+ irq_create_of_mapping
+ of_irq_find_parent
+ __request_percpu_irq
+
+# required by trusty-log.ko
+ panic_notifier_list
+
+# required by trusty-virtio.ko
+ register_virtio_device
+ unregister_virtio_device
+ vring_del_virtqueue
+ vring_interrupt
+ vring_new_virtqueue
+
+# required by ulpi.ko
+ add_uevent_var
+ bus_register
+ bus_unregister
+ driver_register
+ of_clk_set_defaults
+ of_device_modalias
+ of_device_request_module
+ of_device_uevent_modalias
+
+# required by v4l2-fwnode.ko
+ fwnode_device_is_available
+ fwnode_get_name
+ fwnode_graph_get_port_parent
+ fwnode_graph_get_remote_endpoint
+ fwnode_graph_get_remote_port_parent
+ fwnode_graph_parse_endpoint
+ fwnode_property_get_reference_args
+ kstrdup_const
+ v4l2_async_subdev_notifier_register
+
+# required by virtio_rpmsg_bus.ko
+ rpmsg_find_device
+ rpmsg_register_device
+ rpmsg_unregister_device
+ virtio_check_driver_offered_feature
+ virtqueue_disable_cb
+ virtqueue_enable_cb
+
+# required by vsiv4l2.ko
+ devm_device_add_group
+ v4l2_event_dequeue
+ vb2_create_bufs
+ vb2_prepare_buf
+
+# required by vvcam-video.ko
+ media_entity_remove_links
+ v4l2_async_notifier_add_devname_subdev
+ v4l2_ctrl_poll
+
+# required by zram.ko
+ __alloc_disk_node
+ bdget_disk
+ bio_endio
+ blk_alloc_queue
+ blk_cleanup_queue
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ crypto_alloc_base
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_has_alg
+ del_gendisk
+ device_add_disk
+ disk_end_io_acct
+ disk_start_io_acct
+ flush_dcache_page
+ free_pages
+ fsync_bdev
+ __get_free_pages
+ __init_rwsem
+ memparse
+ memset64
+ __num_online_cpus
+ page_endio
+ put_disk
+ register_blkdev
+ revalidate_disk_size
+ __sysfs_match_string
+ sysfs_streq
+ unregister_blkdev
+ vzalloc
+
+# required by zsmalloc.ko
+ alloc_anon_inode
+ __ClearPageMovable
+ contig_page_data
+ dec_zone_page_state
+ inc_zone_page_state
+ init_pseudo
+ iput
+ kern_mount
+ kern_unmount
+ kill_anon_super
+ __lock_page
+ page_mapping
+ _raw_read_lock
+ _raw_read_unlock
+ _raw_write_lock
+ _raw_write_unlock
+ register_shrinker
+ __SetPageMovable
+ unlock_page
+ unregister_shrinker
diff --git a/android/abi_gki_aarch64_mtk b/android/abi_gki_aarch64_mtk
new file mode 100644
index 0000000..f49b88b
--- /dev/null
+++ b/android/abi_gki_aarch64_mtk
@@ -0,0 +1,2551 @@
+[abi_symbol_list]
+ access_process_vm
+ activate_task
+ add_timer
+ add_uevent_var
+ add_wait_queue
+ adjust_managed_page_count
+ alarm_cancel
+ alarm_init
+ alarm_start
+ alarm_start_relative
+ alarm_try_to_cancel
+ alloc_anon_inode
+ alloc_chrdev_region
+ __alloc_disk_node
+ alloc_etherdev_mqs
+ alloc_io_pgtable_ops
+ alloc_netdev_mqs
+ alloc_pages_exact
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_percpu_gfp
+ __alloc_skb
+ alloc_workqueue
+ android_debug_symbol
+ android_rvh_probe_register
+ anon_inode_getfd
+ anon_inode_getfile
+ arc4_crypt
+ arc4_setkey
+ __arch_copy_from_user
+ __arch_copy_to_user
+ arch_timer_read_counter
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_hvc
+ __arm_smccc_smc
+ arp_tbl
+ async_schedule_node
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ autoremove_wake_function
+ bcmp
+ bdget_disk
+ bdput
+ bio_add_pc_page
+ bio_alloc_bioset
+ bio_endio
+ bio_put
+ bio_reset
+ __bitmap_andnot
+ __bitmap_clear
+ bitmap_find_free_region
+ bitmap_find_next_zero_area_off
+ bitmap_free
+ bitmap_from_arr32
+ bitmap_print_to_pagebuf
+ bitmap_release_region
+ __bitmap_set
+ bitmap_to_arr32
+ __bitmap_weight
+ bitmap_zalloc
+ blk_alloc_queue
+ blk_cleanup_queue
+ blk_execute_rq
+ blk_execute_rq_nowait
+ blk_get_request
+ blk_mq_free_request
+ blk_mq_sched_mark_restart_hctx
+ blk_mq_start_request
+ blk_put_request
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_rq_append_bio
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run10
+ bpf_trace_run12
+ bpf_trace_run1
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bpf_trace_run7
+ bpf_trace_run8
+ bpf_trace_run9
+ bus_register
+ bus_set_iommu
+ bus_unregister
+ call_rcu
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ cdev_add
+ cdev_alloc
+ cdev_del
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ __check_object_size
+ check_preempt_curr
+ __class_create
+ class_destroy
+ class_find_device
+ class_for_each_device
+ __class_register
+ class_unregister
+ __ClearPageMovable
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_prepare
+ clk_bulk_put_all
+ clk_bulk_unprepare
+ clk_disable
+ clk_divider_ops
+ clk_enable
+ clk_gate_ops
+ clk_get
+ __clk_get_hw
+ __clk_get_name
+ clk_get_parent
+ clk_get_rate
+ clk_hw_get_name
+ clk_hw_get_num_parents
+ clk_hw_get_parent
+ clk_hw_get_parent_by_index
+ clk_hw_get_rate
+ clk_hw_is_enabled
+ clk_hw_is_prepared
+ __clk_is_enabled
+ clk_mux_ops
+ clk_notifier_register
+ clk_prepare
+ clk_put
+ clk_register
+ clk_register_composite
+ clk_register_divider_table
+ clk_register_fixed_factor
+ clk_register_fixed_rate
+ clk_set_parent
+ clk_set_rate
+ clk_unprepare
+ clocks_calc_mult_shift
+ __close_fd
+ cma_alloc
+ cma_release
+ compat_alloc_user_space
+ compat_ptr_ioctl
+ complete
+ complete_all
+ completion_done
+ component_add
+ component_add_typed
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_match_add_typed
+ component_unbind_all
+ config_ep_by_speed
+ config_group_init_type_name
+ console_drivers
+ console_suspend_enabled
+ console_unlock
+ __const_udelay
+ consume_skb
+ contig_page_data
+ _copy_from_iter
+ copy_from_kernel_nofault
+ _copy_to_iter
+ __cpu_active_mask
+ cpu_all_bits
+ cpu_bit_bitmap
+ cpufreq_add_update_util_hook
+ cpufreq_cpu_get
+ cpufreq_cpu_put
+ cpufreq_disable_fast_switch
+ cpufreq_driver_fast_switch
+ cpufreq_driver_resolve_freq
+ __cpufreq_driver_target
+ cpufreq_enable_fast_switch
+ cpufreq_frequency_table_get_index
+ cpufreq_generic_attr
+ cpufreq_generic_frequency_table_verify
+ cpufreq_get_policy
+ cpufreq_policy_transition_delay_us
+ cpufreq_quick_get
+ cpufreq_register_driver
+ cpufreq_register_governor
+ cpufreq_remove_update_util_hook
+ cpufreq_table_index_unsorted
+ cpufreq_this_cpu_can_update
+ cpufreq_unregister_driver
+ cpufreq_unregister_governor
+ cpu_hotplug_disable
+ cpu_hotplug_enable
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpuidle_driver_state_disabled
+ cpuidle_get_driver
+ cpuidle_pause_and_lock
+ cpuidle_resume_and_unlock
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ cpu_latency_qos_update_request
+ cpumask_any_but
+ cpumask_next
+ cpumask_next_and
+ cpu_number
+ __cpu_online_mask
+ __cpu_possible_mask
+ __cpu_present_mask
+ cpu_scale
+ cpus_read_lock
+ cpus_read_unlock
+ cpu_subsys
+ cpu_topology
+ crc32_be
+ crc32_le
+ crc8
+ crc8_populate_msb
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_alloc_aead
+ crypto_alloc_base
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_destroy_tfm
+ crypto_has_alg
+ __crypto_memneq
+ crypto_register_alg
+ crypto_register_scomp
+ crypto_shash_digest
+ crypto_shash_final
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ crypto_unregister_alg
+ crypto_unregister_scomp
+ __crypto_xor
+ _ctype
+ dapm_clock_event
+ dapm_kcontrol_get_value
+ dapm_regulator_event
+ deactivate_task
+ debugfs_attr_read
+ debugfs_attr_write
+ debugfs_create_blob
+ debugfs_create_bool
+ debugfs_create_devm_seqfile
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_regset32
+ debugfs_create_symlink
+ debugfs_create_u16
+ debugfs_create_u32
+ debugfs_create_u64
+ debugfs_create_u8
+ debugfs_create_x32
+ debugfs_lookup
+ debugfs_remove
+ debugfs_rename
+ dec_zone_page_state
+ default_llseek
+ deferred_free
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ destroy_workqueue
+ dev_alloc_name
+ dev_base_lock
+ dev_change_flags
+ dev_change_net_namespace
+ dev_close
+ dev_driver_string
+ _dev_emerg
+ _dev_err
+ dev_err_probe
+ dev_fetch_sw_netstats
+ devfreq_add_governor
+ devfreq_get_devfreq_by_phandle
+ devfreq_monitor_resume
+ devfreq_monitor_start
+ devfreq_monitor_stop
+ devfreq_monitor_suspend
+ devfreq_recommended_opp
+ devfreq_remove_device
+ devfreq_remove_governor
+ devfreq_resume_device
+ devfreq_suspend_device
+ devfreq_update_interval
+ dev_fwnode
+ __dev_get_by_index
+ dev_get_by_index
+ dev_get_regmap
+ dev_get_stats
+ device_add
+ device_add_disk
+ device_create
+ device_create_bin_file
+ device_create_file
+ device_create_with_groups
+ device_del
+ device_destroy
+ device_for_each_child
+ device_get_child_node_count
+ device_get_match_data
+ device_get_next_child_node
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_link_remove
+ device_property_present
+ device_property_read_string
+ device_property_read_u32_array
+ device_register
+ device_remove_bin_file
+ device_remove_file
+ device_rename
+ device_set_of_node_from_dev
+ device_show_bool
+ device_store_bool
+ device_unregister
+ _dev_info
+ __dev_kfree_skb_any
+ __devm_alloc_percpu
+ devm_blk_ksm_init
+ devm_clk_bulk_get
+ devm_clk_bulk_get_optional
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_register
+ devm_devfreq_add_device
+ devm_devfreq_register_notifier
+ devm_devfreq_remove_device
+ devm_devfreq_unregister_notifier
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_extcon_register_notifier
+ devm_free_irq
+ devm_fwnode_pwm_get
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_gpiod_get_index
+ devm_gpiod_get_optional
+ devm_gpiod_put
+ devm_gpio_free
+ devm_gpio_request
+ devm_gpio_request_one
+ devm_hwrng_register
+ devm_i2c_new_dummy_device
+ devm_iio_channel_get
+ devm_iio_channel_get_all
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_ioremap_wc
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_led_classdev_register_ext
+ devm_led_classdev_unregister
+ devm_mbox_controller_register
+ devm_memremap
+ devm_mfd_add_devices
+ devm_nvmem_cell_get
+ devm_nvmem_device_get
+ devm_nvmem_register
+ devm_of_phy_get_by_index
+ __devm_of_phy_provider_register
+ devm_of_platform_populate
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_get
+ devm_pinctrl_put
+ devm_pinctrl_register_and_init
+ devm_platform_get_and_ioremap_resource
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ devm_power_supply_get_by_phandle
+ devm_power_supply_register
+ devm_regmap_add_irq_chip
+ devm_regmap_field_alloc
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_get
+ devm_regulator_get_exclusive
+ devm_regulator_get_optional
+ devm_regulator_put
+ devm_regulator_register
+ devm_regulator_register_notifier
+ devm_regulator_unregister_notifier
+ devm_request_threaded_irq
+ __devm_reset_control_get
+ devm_reset_controller_register
+ devm_rtc_allocate_device
+ devm_snd_soc_register_card
+ devm_snd_soc_register_component
+ devm_spi_register_controller
+ devm_thermal_zone_of_sensor_register
+ devm_watchdog_register_device
+ _dev_notice
+ dev_pm_domain_attach_by_id
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_genpd_add_notifier
+ dev_pm_genpd_set_performance_state
+ dev_pm_opp_add
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_ceil_by_volt
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_freq
+ dev_pm_opp_get_level
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_opp_table
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_add_table_indexed
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_opp_table
+ dev_pm_opp_remove_all_dynamic
+ dev_pm_qos_update_request
+ dev_printk
+ dev_queue_xmit
+ devres_add
+ devres_alloc_node
+ devres_free
+ devres_release
+ dev_set_mac_address
+ dev_set_name
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ disable_percpu_irq
+ disk_end_io_acct
+ disk_start_io_acct
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_detach
+ dma_buf_end_cpu_access
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dma_fence_add_callback
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_free
+ dma_fence_init
+ dma_fence_release
+ dma_fence_signal
+ dma_fence_signal_locked
+ dma_fence_signal_timestamp_locked
+ dma_fence_wait_timeout
+ dma_free_attrs
+ dma_get_sgtable_attrs
+ dma_heap_add
+ dma_heap_buffer_alloc
+ dma_heap_bufferfd_alloc
+ dma_heap_find
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dma_heap_put
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_resource
+ dma_map_sg_attrs
+ dmam_free_coherent
+ dma_mmap_attrs
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ dma_resv_wait_timeout_rcu
+ dma_run_dependencies
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_unmap_page_attrs
+ dma_unmap_resource
+ dma_unmap_sg_attrs
+ do_exit
+ do_wait_intr_irq
+ down
+ down_interruptible
+ down_read
+ down_timeout
+ down_trylock
+ down_write
+ d_path
+ dput
+ drain_workqueue
+ driver_create_file
+ driver_remove_file
+ driver_unregister
+ drm_add_edid_modes
+ drm_add_modes_noedid
+ drm_atomic_add_affected_connectors
+ drm_atomic_get_crtc_state
+ drm_atomic_helper_check
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ __drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_legacy_gamma_set
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_prepare_planes
+ drm_atomic_helper_resume
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_suspend
+ drm_atomic_helper_swap_state
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_vblanks
+ drm_atomic_state_clear
+ drm_atomic_state_default_release
+ __drm_atomic_state_free
+ drm_atomic_state_init
+ drm_bridge_attach
+ drm_calc_timestamping_constants
+ drm_compat_ioctl
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_update_edid_property
+ drm_crtc_cleanup
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_get
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ __drm_dbg
+ drm_dev_alloc
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_dp_aux_init
+ drm_dp_aux_register
+ drm_dp_channel_eq_ok
+ drm_dp_clock_recovery_ok
+ drm_dp_dpcd_read
+ drm_dp_dpcd_write
+ drm_dp_link_train_channel_eq_delay
+ drm_dp_link_train_clock_recovery_delay
+ drm_edid_duplicate
+ drm_edid_to_sad
+ drm_encoder_cleanup
+ drm_encoder_init
+ __drm_err
+ drm_format_info
+ drm_framebuffer_cleanup
+ drm_framebuffer_init
+ drm_framebuffer_lookup
+ drm_framebuffer_remove
+ drm_gem_cma_vm_ops
+ drm_gem_create_mmap_offset
+ drm_gem_dumb_destroy
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_mmap_obj
+ drm_gem_object_free
+ drm_gem_object_init
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_prime_export
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_prime_import
+ drm_gem_vm_close
+ drm_get_edid
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_single_connector_modes
+ drm_ioctl
+ drm_is_current_master
+ drm_kms_helper_poll_disable
+ drm_kms_helper_poll_enable
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drmm_mode_config_init
+ drm_mode_config_cleanup
+ drm_mode_config_reset
+ drm_mode_copy
+ drm_mode_crtc_set_gamma_size
+ drm_mode_duplicate
+ drm_mode_object_find
+ drm_mode_object_put
+ drm_mode_probed_add
+ drm_mode_set_crtcinfo
+ drm_mode_set_name
+ drm_mode_vrefresh
+ drm_object_attach_property
+ drm_open
+ drm_panel_add
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_init
+ drm_panel_prepare
+ drm_panel_remove
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_poll
+ drm_prime_gem_destroy
+ drm_property_blob_put
+ drm_property_create_blob
+ drm_property_create_range
+ drm_property_lookup_blob
+ drm_read
+ drm_release
+ drm_universal_plane_init
+ drm_vblank_init
+ drm_writeback_connector_init
+ drm_writeback_queue_job
+ drm_writeback_signal_completion
+ dump_stack
+ em_cpu_get
+ em_dev_register_perf_domain
+ enable_irq
+ enable_percpu_irq
+ ether_setup
+ eth_header
+ eth_header_cache
+ eth_header_cache_update
+ eth_header_parse
+ eth_mac_addr
+ eth_platform_get_mac_address
+ ethtool_op_get_link
+ ethtool_op_get_ts_info
+ eth_type_trans
+ eth_validate_addr
+ event_triggers_call
+ extcon_get_edev_by_phandle
+ extcon_get_state
+ extcon_set_state_sync
+ failure_tracking
+ fd_install
+ fget
+ find_get_pid
+ find_last_bit
+ find_next_bit
+ find_next_zero_bit
+ find_pid_ns
+ find_task_by_vpid
+ find_vma
+ find_vpid
+ finish_wait
+ flush_dcache_page
+ flush_delayed_work
+ flush_work
+ flush_workqueue
+ follow_pfn
+ font_vga_8x16
+ for_each_kernel_tracepoint
+ fput
+ frame_vector_create
+ frame_vector_destroy
+ frame_vector_to_pages
+ frame_vector_to_pfns
+ free_irq
+ free_netdev
+ __free_pages
+ free_pages
+ free_pages_exact
+ free_percpu
+ free_percpu_irq
+ freezing_slow_path
+ freq_qos_add_notifier
+ freq_qos_add_request
+ freq_qos_remove_request
+ freq_qos_update_request
+ fs_bio_set
+ fsg_common_create_luns
+ fsg_common_set_cdev
+ fsg_common_set_inquiry_string
+ fsg_common_set_sysfs
+ fsg_config_from_params
+ fsync_bdev
+ fwnode_device_is_available
+ fwnode_get_name
+ fwnode_graph_get_next_endpoint
+ fwnode_graph_get_port_parent
+ fwnode_graph_get_remote_endpoint
+ fwnode_graph_get_remote_port_parent
+ fwnode_graph_parse_endpoint
+ fwnode_handle_get
+ fwnode_handle_put
+ fwnode_property_get_reference_args
+ fwnode_property_present
+ fwnode_property_read_string
+ fwnode_property_read_u32_array
+ fwnode_property_read_u64_array
+ gcd
+ generic_file_llseek
+ generic_handle_irq
+ generic_iommu_put_resv_regions
+ generic_mii_ioctl
+ genlmsg_multicast_allns
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ genphy_resume
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_avail
+ gen_pool_best_fit
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_free_owner
+ gen_pool_has_addr
+ gen_pool_set_algo
+ gen_pool_size
+ gen_pool_virt_to_phys
+ getboottime64
+ get_cpu_device
+ get_cpu_idle_time
+ get_cpu_idle_time_us
+ get_cpu_iowait_time_us
+ get_device
+ get_each_dmabuf
+ get_freelist_nr_pages
+ __get_free_pages
+ get_governor_parent_kobj
+ get_kernel_pages
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ get_pid_task
+ get_random_bytes
+ get_random_u32
+ __get_task_comm
+ get_task_exe_file
+ get_task_mm
+ get_unused_fd_flags
+ get_user_pages_remote
+ get_vaddr_frames
+ get_zeroed_page
+ gic_nonsecure_priorities
+ gov_attr_set_get
+ gov_attr_set_init
+ gov_attr_set_put
+ governor_sysfs_ops
+ gpiochip_add_data_with_key
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_lock_as_irq
+ gpiochip_unlock_as_irq
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_raw_value
+ gpiod_get_value_cansleep
+ gpiod_set_debounce
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_free
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ handle_level_irq
+ handle_nested_irq
+ handle_simple_irq
+ hashlen_string
+ have_governor_per_policy
+ hex_asc
+ hrtimer_active
+ hrtimer_cancel
+ hrtimer_forward
+ hrtimer_init
+ hrtimer_start_range_ns
+ hrtimer_try_to_cancel
+ __hw_addr_init
+ __hw_addr_sync
+ __hw_addr_unsync
+ i2c_add_adapter
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_get_adapter
+ i2c_get_dma_safe_msg_buf
+ i2c_put_dma_safe_msg_buf
+ i2c_register_driver
+ i2c_smbus_read_byte_data
+ i2c_smbus_read_i2c_block_data
+ i2c_smbus_write_byte_data
+ i2c_smbus_write_i2c_block_data
+ i2c_smbus_write_word_data
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ i2c_unregister_device
+ icc_link_create
+ icc_node_add
+ icc_node_create
+ icc_node_del
+ icc_node_destroy
+ icc_provider_add
+ icc_provider_del
+ icc_put
+ icc_set_bw
+ icc_sync_state
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ idr_alloc
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_remove
+ iio_alloc_pollfunc
+ iio_buffer_init
+ iio_buffer_put
+ iio_channel_get
+ iio_channel_release
+ iio_dealloc_pollfunc
+ iio_device_attach_buffer
+ __iio_device_register
+ iio_device_unregister
+ iio_get_channel_type
+ iio_get_time_ns
+ iio_push_to_buffers
+ iio_read_channel_attribute
+ iio_read_channel_processed
+ iio_read_channel_raw
+ iio_trigger_notify_done
+ inc_zone_page_state
+ in_egroup_p
+ inet_csk_get_port
+ init_net
+ init_pseudo
+ __init_rwsem
+ __init_swait_queue_head
+ init_task
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ __init_waitqueue_head
+ input_allocate_device
+ input_event
+ input_free_device
+ input_mt_init_slots
+ input_mt_report_slot_state
+ input_register_device
+ input_set_abs_params
+ input_set_capability
+ input_unregister_device
+ iommu_alloc_resv_region
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unregister
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_get_domain_for_dev
+ iommu_group_alloc
+ iommu_group_ref_get
+ iommu_iova_to_phys
+ iommu_map
+ iommu_map_sg
+ iommu_present
+ iommu_put_dma_cookie
+ iommu_unmap
+ __ioremap
+ ioremap_cache
+ iounmap
+ iput
+ ipv6_skip_exthdr
+ irq_create_mapping_affinity
+ irq_create_of_mapping
+ irq_dispose_mapping
+ __irq_domain_add
+ irq_domain_remove
+ irq_domain_simple_ops
+ irq_domain_xlate_onetwocell
+ irq_domain_xlate_twocell
+ irq_find_mapping
+ irq_get_irqchip_state
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_chained_handler_and_data
+ irq_set_chip
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irq_type
+ irq_set_irq_wake
+ irq_set_parent
+ irq_to_desc
+ irq_work_queue
+ irq_work_sync
+ is_dma_buf_file
+ is_vmalloc_addr
+ iterate_fd
+ jiffies
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_cpustat
+ kernel_kobj
+ kernel_param_lock
+ kernel_param_unlock
+ kernel_power_off
+ kernel_restart
+ kernel_sigaction
+ kernfs_path_from_node
+ kern_mount
+ kern_unmount
+ key_create_or_update
+ key_put
+ keyring_alloc
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_out
+ __kfifo_to_user
+ kfree
+ kfree_const
+ kfree_sensitive
+ kfree_skb
+ kfree_skb_list
+ kill_anon_super
+ kill_pid
+ kimage_vaddr
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kobject_add
+ kobject_create_and_add
+ kobject_del
+ kobject_get
+ kobject_init
+ kobject_init_and_add
+ kobject_put
+ kobject_uevent
+ kobject_uevent_env
+ krealloc
+ kstrdup
+ kstrdup_const
+ kstrndup
+ kstrtobool
+ kstrtoint
+ kstrtoint_from_user
+ kstrtol_from_user
+ kstrtoll
+ kstrtou16
+ kstrtou8
+ kstrtouint
+ kstrtouint_from_user
+ kstrtoul_from_user
+ kstrtoull
+ kstrtoull_from_user
+ ksys_sync_helper
+ kthread_bind
+ kthread_bind_mask
+ kthread_cancel_delayed_work_sync
+ kthread_cancel_work_sync
+ kthread_create_on_node
+ kthread_create_worker
+ kthread_delayed_work_timer_fn
+ kthread_destroy_worker
+ kthread_flush_work
+ kthread_flush_worker
+ kthread_freezable_should_stop
+ __kthread_init_worker
+ kthread_queue_delayed_work
+ kthread_queue_work
+ kthread_should_stop
+ kthread_stop
+ kthread_worker_fn
+ ktime_get
+ ktime_get_coarse_with_offset
+ ktime_get_mono_fast_ns
+ ktime_get_raw_ts64
+ ktime_get_real_ts64
+ ktime_get_seconds
+ ktime_get_ts64
+ ktime_get_with_offset
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ led_classdev_flash_register_ext
+ led_classdev_flash_unregister
+ led_get_flash_fault
+ led_set_brightness_sync
+ led_set_flash_brightness
+ led_set_flash_timeout
+ led_sysfs_disable
+ led_sysfs_enable
+ led_trigger_remove
+ led_update_brightness
+ led_update_flash_brightness
+ __list_add_valid
+ __list_del_entry_valid
+ list_sort
+ __local_bh_enable_ip
+ __lock_page
+ log_buf_addr_get
+ log_buf_len_get
+ __log_post_read_mmio
+ __log_read_mmio
+ log_threaded_irq_wakeup_reason
+ __log_write_mmio
+ lzo1x_1_compress
+ lzo1x_decompress_safe
+ lzorle1x_1_compress
+ match_hex
+ match_int
+ match_token
+ mbox_chan_received_data
+ mbox_client_txdone
+ mbox_controller_register
+ mbox_controller_unregister
+ mbox_free_channel
+ mbox_request_channel
+ mbox_send_message
+ mdiobus_alloc_size
+ mdiobus_free
+ __mdiobus_register
+ mdiobus_unregister
+ media_create_intf_link
+ media_create_pad_link
+ media_device_cleanup
+ media_device_init
+ __media_device_register
+ media_device_unregister
+ media_devnode_create
+ media_devnode_remove
+ media_entity_pads_init
+ media_entity_remote_pad
+ media_entity_remove_links
+ __media_entity_setup_link
+ media_graph_walk_next
+ media_graph_walk_start
+ media_pipeline_start
+ media_pipeline_stop
+ media_request_get_by_fd
+ media_request_object_complete
+ media_request_put
+ memblock_end_of_DRAM
+ memchr
+ memcmp
+ memcpy
+ __memcpy_fromio
+ __memcpy_toio
+ memmove
+ memory_read_from_buffer
+ memparse
+ memremap
+ memset64
+ memset
+ __memset_io
+ memstart_addr
+ memunmap
+ migrate_swap
+ mii_check_media
+ mii_ethtool_get_link_ksettings
+ mii_ethtool_gset
+ mii_ethtool_set_link_ksettings
+ mii_link_ok
+ mii_nway_restart
+ mipi_dsi_attach
+ mipi_dsi_dcs_read
+ mipi_dsi_dcs_write
+ mipi_dsi_dcs_write_buffer
+ mipi_dsi_detach
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ mipi_dsi_generic_read
+ mipi_dsi_generic_write
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ misc_deregister
+ misc_register
+ mktime64
+ mmc_add_host
+ mmc_alloc_host
+ mmc_can_gpio_cd
+ mmc_cqe_request_done
+ mmc_detect_change
+ mmc_free_host
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_hw_reset
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_remove_host
+ mmc_request_done
+ mmc_send_tuning
+ mmput
+ mod_delayed_work_on
+ mod_timer
+ mod_timer_pending
+ module_layout
+ __msecs_to_jiffies
+ msleep
+ msleep_interruptible
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_lock_killable
+ mutex_trylock
+ mutex_unlock
+ napi_disable
+ napi_gro_flush
+ napi_gro_receive
+ __napi_schedule
+ napi_schedule_prep
+ nd_tbl
+ netdev_alloc_frag
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_set_default_ethtool_ops
+ netdev_warn
+ netif_carrier_off
+ netif_carrier_on
+ netif_napi_add
+ netif_receive_skb
+ netif_receive_skb_list
+ netif_rx
+ netif_rx_ni
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_broadcast
+ __netlink_kernel_create
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_namespace_list
+ net_ns_type_operations
+ net_ratelimit
+ nf_register_net_hooks
+ nf_unregister_net_hooks
+ nla_find
+ nla_memcpy
+ __nla_parse
+ nla_put_64bit
+ nla_put
+ nla_reserve
+ __nla_validate
+ __nlmsg_put
+ no_llseek
+ nonseekable_open
+ nr_cpu_ids
+ nsecs_to_jiffies
+ ns_to_timespec64
+ __num_online_cpus
+ nvmem_cell_get
+ nvmem_cell_put
+ nvmem_cell_read
+ nvmem_cell_read_u32
+ nvmem_cell_write
+ nvmem_device_get
+ nvmem_device_put
+ nvmem_device_read
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_get
+ of_clk_get_by_name
+ of_clk_get_from_provider
+ of_clk_src_onecell_get
+ of_clk_src_simple_get
+ of_count_phandle_with_args
+ of_cpu_node_to_id
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_dma_configure_id
+ of_dma_controller_free
+ of_dma_controller_register
+ of_dma_xlate_by_chan_id
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_find_backlight_by_node
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_matching_node_and_match
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_opts_by_path
+ of_find_node_with_property
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_device
+ of_genpd_add_provider_onecell
+ of_get_address
+ of_get_child_by_name
+ of_get_cpu_node
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_next_parent
+ of_get_parent
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_next_endpoint
+ of_graph_get_remote_node
+ of_graph_get_remote_port_parent
+ of_icc_get
+ of_icc_xlate_onecell
+ of_iomap
+ of_irq_find_parent
+ of_irq_get
+ of_irq_parse_one
+ of_irq_to_resource_table
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_phy_simple_xlate
+ of_platform_depopulate
+ of_platform_device_create
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_u64
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u64_array
+ of_property_read_variable_u8_array
+ of_prop_next_string
+ of_prop_next_u32
+ of_remove_property
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_lookup
+ of_thermal_get_trip_points
+ of_translate_address
+ on_each_cpu
+ oops_in_progress
+ page_endio
+ page_mapping
+ __page_pinner_migration_failed
+ panic
+ panic_notifier_list
+ param_array_ops
+ param_get_bool
+ param_get_charp
+ param_get_int
+ param_get_uint
+ param_get_ulong
+ param_ops_bool
+ param_ops_charp
+ param_ops_int
+ param_ops_uint
+ param_set_bool
+ param_set_charp
+ param_set_uint
+ param_set_ulong
+ pause_cpus
+ PDE_DATA
+ __per_cpu_offset
+ perf_event_create_kernel_counter
+ perf_event_disable
+ perf_event_enable
+ perf_event_release_kernel
+ perf_event_update_userpage
+ perf_pmu_migrate_context
+ perf_pmu_register
+ perf_pmu_unregister
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_connect
+ phy_disconnect
+ phy_do_ioctl_running
+ phy_ethtool_get_link_ksettings
+ phy_ethtool_nway_reset
+ phy_ethtool_set_link_ksettings
+ phy_exit
+ phy_get
+ phy_init
+ phy_power_off
+ phy_power_on
+ phy_print_status
+ phy_put
+ phy_set_mode_ext
+ phy_start
+ phy_stop
+ pid_task
+ pinconf_generic_parse_dt_config
+ pinctrl_dev_get_drvdata
+ pinctrl_enable
+ pinctrl_gpio_direction_input
+ pinctrl_gpio_direction_output
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_put
+ pinctrl_select_state
+ pinctrl_utils_add_map_configs
+ pinctrl_utils_free_map
+ pinctrl_utils_reserve_map
+ pin_user_pages
+ pin_user_pages_fast
+ platform_bus_type
+ platform_device_add
+ platform_device_add_data
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_device_register
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_find_device_by_driver
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_irq_byname_optional
+ platform_get_irq_optional
+ platform_get_resource
+ platform_get_resource_byname
+ __platform_register_drivers
+ platform_unregister_drivers
+ pm_genpd_add_device
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_genpd_remove_device
+ __pm_relax
+ pm_relax
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ pm_runtime_get_if_active
+ __pm_runtime_idle
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ pm_stay_awake
+ pm_suspend_default_s2idle
+ pm_system_wakeup
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ pm_wq
+ power_supply_changed
+ power_supply_get_by_name
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_put
+ power_supply_register
+ power_supply_reg_notifier
+ power_supply_set_property
+ prandom_bytes
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ printk_deferred
+ proc_create
+ proc_create_data
+ proc_create_single_data
+ proc_mkdir
+ proc_remove
+ proc_set_user
+ pskb_expand_head
+ __pskb_pull_tail
+ ___pskb_trim
+ put_device
+ put_disk
+ __put_net
+ __put_page
+ put_pid
+ put_task_stack
+ __put_task_struct
+ put_unused_fd
+ put_vaddr_frames
+ pwm_apply_state
+ pwmchip_add
+ pwmchip_remove
+ queue_delayed_work_on
+ queue_work_on
+ ___ratelimit
+ raw_notifier_call_chain
+ raw_notifier_chain_register
+ raw_notifier_chain_unregister
+ _raw_read_lock
+ _raw_read_lock_bh
+ _raw_read_lock_irqsave
+ _raw_read_trylock
+ _raw_read_unlock
+ _raw_read_unlock_bh
+ _raw_read_unlock_irqrestore
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ _raw_write_lock
+ _raw_write_lock_bh
+ _raw_write_lock_irqsave
+ _raw_write_unlock
+ _raw_write_unlock_bh
+ _raw_write_unlock_irqrestore
+ rb_erase
+ rb_first
+ rb_insert_color
+ rb_next
+ rcu_barrier
+ rcu_idle_enter
+ rcu_idle_exit
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_dev
+ rdev_get_drvdata
+ rdev_get_id
+ rdev_get_regmap
+ refcount_warn_saturate
+ __refrigerator
+ regcache_cache_only
+ regcache_mark_dirty
+ regcache_sync
+ register_blkdev
+ __register_chrdev
+ register_chrdev_region
+ register_die_notifier
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_kprobe
+ register_module_notifier
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_oom_notifier
+ register_pernet_device
+ register_pernet_subsys
+ register_pm_notifier
+ register_reboot_notifier
+ __register_rpmsg_driver
+ register_shrinker
+ register_syscore_ops
+ register_virtio_device
+ register_virtio_driver
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_field_read
+ regmap_field_update_bits_base
+ __regmap_init
+ regmap_irq_get_domain
+ regmap_raw_read
+ regmap_raw_write
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_count_voltages
+ regulator_disable
+ regulator_disable_regmap
+ regulator_enable
+ regulator_enable_regmap
+ regulator_get
+ regulator_get_current_limit_regmap
+ regulator_get_mode
+ regulator_get_optional
+ regulator_get_voltage
+ regulator_get_voltage_sel_regmap
+ regulator_is_enabled
+ regulator_is_enabled_regmap
+ regulator_list_voltage
+ regulator_list_voltage_linear
+ regulator_list_voltage_linear_range
+ regulator_list_voltage_table
+ regulator_map_voltage_iterate
+ regulator_map_voltage_linear
+ regulator_map_voltage_linear_range
+ regulator_notifier_call_chain
+ regulator_put
+ regulator_set_active_discharge_regmap
+ regulator_set_current_limit
+ regulator_set_current_limit_regmap
+ regulator_set_mode
+ regulator_set_voltage
+ regulator_set_voltage_sel_regmap
+ regulator_set_voltage_time
+ regulator_set_voltage_time_sel
+ regulator_sync_voltage
+ release_firmware
+ release_pages
+ remap_pfn_range
+ remap_vmalloc_range
+ remove_proc_entry
+ remove_proc_subtree
+ remove_wait_queue
+ request_firmware
+ request_firmware_nowait
+ __request_percpu_irq
+ request_threaded_irq
+ reset_control_assert
+ reset_control_deassert
+ reset_controller_register
+ reset_control_reset
+ resume_cpus
+ revalidate_disk_size
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ rhashtable_free_and_destroy
+ rhashtable_insert_slow
+ rhltable_init
+ __rht_bucket_nested
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ root_task_group
+ round_jiffies
+ round_jiffies_relative
+ round_jiffies_up
+ rpmsg_create_ept
+ rpmsg_destroy_ept
+ rpmsg_find_device
+ rpmsg_register_device
+ rpmsg_send
+ rpmsg_trysend
+ rpmsg_unregister_device
+ rproc_add
+ rproc_add_subdev
+ rproc_alloc
+ rproc_boot
+ rproc_del
+ rproc_free
+ rproc_get_by_phandle
+ rproc_put
+ rproc_remove_subdev
+ rproc_report_crash
+ rproc_shutdown
+ rps_needed
+ rtc_ktime_to_tm
+ rtc_nvmem_register
+ __rtc_register_device
+ rtc_time64_to_tm
+ rtc_tm_to_ktime
+ rtc_tm_to_time64
+ rtc_update_irq
+ rtc_valid_tm
+ rtnl_is_locked
+ rtnl_lock
+ rtnl_unlock
+ runqueues
+ __sbitmap_queue_get
+ sched_clock
+ sched_feat_keys
+ sched_setattr_nocheck
+ sched_set_normal
+ sched_setscheduler
+ sched_setscheduler_nocheck
+ sched_uclamp_used
+ schedule
+ schedule_timeout
+ scmi_driver_register
+ scmi_driver_unregister
+ scmi_protocol_register
+ scnprintf
+ scsi_autopm_get_device
+ scsi_autopm_put_device
+ scsi_block_requests
+ scsi_command_size_tbl
+ scsi_device_get
+ scsi_device_put
+ scsi_device_quiesce
+ __scsi_execute
+ __scsi_iterate_devices
+ scsi_normalize_sense
+ scsi_print_sense_hdr
+ scsi_unblock_requests
+ sdio_signal_irq
+ send_sig
+ seq_hex_dump
+ seq_lseek
+ seq_open
+ seq_open_private
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ seq_release_private
+ seq_write
+ serial8250_do_set_termios
+ serial8250_do_shutdown
+ serial8250_do_startup
+ serial8250_get_port
+ serial8250_register_8250_port
+ serial8250_resume_port
+ serial8250_rpm_get
+ serial8250_rpm_put
+ serial8250_suspend_port
+ serial8250_unregister_port
+ set_cpus_allowed_ptr
+ set_normalized_timespec64
+ set_page_dirty_lock
+ __SetPageMovable
+ set_task_cpu
+ set_user_nice
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ sg_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ si_mem_available
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_open
+ simple_read_from_buffer
+ simple_write_to_buffer
+ single_open
+ single_release
+ skb_add_rx_frag
+ skb_checksum_help
+ skb_clone
+ skb_clone_sk
+ skb_complete_wifi_ack
+ skb_copy
+ skb_copy_bits
+ skb_copy_expand
+ skb_dequeue
+ skb_ensure_writable
+ __skb_get_hash
+ __skb_gso_segment
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_trim
+ smp_call_function
+ snd_card_add_dev_attr
+ snd_ctl_boolean_mono_info
+ snd_jack_set_key
+ snd_pcm_format_physical_width
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_constraint_minmax
+ snd_pcm_hw_constraint_step
+ snd_pcm_lib_free_pages
+ snd_pcm_lib_malloc_pages
+ snd_pcm_lib_preallocate_free_for_all
+ snd_pcm_lib_preallocate_pages_for_all
+ snd_pcm_period_elapsed
+ snd_pcm_set_ops
+ snd_soc_add_component_controls
+ snd_soc_bytes_info_ext
+ snd_soc_bytes_tlv_callback
+ snd_soc_card_jack_new
+ snd_soc_component_exit_regmap
+ snd_soc_component_init_regmap
+ snd_soc_component_read
+ snd_soc_component_update_bits
+ snd_soc_component_write
+ snd_soc_dai_set_sysclk
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_enable_pin
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_pin_switch
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_info_pin_switch
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_new_widgets
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_pin_switch
+ snd_soc_dapm_put_volsw
+ snd_soc_dapm_sync
+ snd_soc_get_volsw
+ snd_soc_info_enum_double
+ snd_soc_info_volsw
+ snd_soc_jack_report
+ snd_soc_new_compress
+ snd_soc_of_get_dai_link_codecs
+ snd_soc_poweroff
+ snd_soc_put_volsw
+ snd_soc_register_component
+ snd_soc_resume
+ snd_soc_rtdcom_lookup
+ snd_soc_set_runtime_hwparams
+ snd_soc_unregister_component
+ snprintf
+ soc_device_register
+ soc_device_unregister
+ __sock_create
+ sock_release
+ sort
+ __spi_alloc_controller
+ spi_bus_type
+ spi_finalize_current_transfer
+ __spi_register_driver
+ spi_setup
+ spi_sync
+ spmi_controller_add
+ spmi_controller_alloc
+ spmi_controller_remove
+ __spmi_driver_register
+ spmi_ext_register_read
+ spmi_ext_register_readl
+ spmi_ext_register_write
+ spmi_ext_register_writel
+ spmi_register_read
+ spmi_register_write
+ spmi_register_zero_write
+ sprintf
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+ __srcu_read_unlock
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ stack_trace_save
+ static_key_slow_dec
+ static_key_slow_inc
+ stop_one_cpu_nowait
+ stpcpy
+ strcasecmp
+ strchr
+ strcmp
+ strcpy
+ strcspn
+ strim
+ strlcat
+ strlcpy
+ strlen
+ strncasecmp
+ strncat
+ strncmp
+ strncpy
+ strncpy_from_user
+ strnlen
+ strnstr
+ strrchr
+ strreplace
+ strscpy
+ strsep
+ strstr
+ suspend_set_ops
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ synchronize_srcu
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_compatible
+ syscon_regmap_lookup_by_phandle
+ sysfs_create_bin_file
+ sysfs_create_file_ns
+ sysfs_create_group
+ sysfs_create_link
+ __sysfs_match_string
+ sysfs_remove_bin_file
+ sysfs_remove_file_ns
+ sysfs_remove_group
+ sysfs_remove_link
+ sysfs_streq
+ system_freezable_power_efficient_wq
+ system_freezable_wq
+ system_freezing_cnt
+ system_highpri_wq
+ system_power_efficient_wq
+ system_state
+ system_unbound_wq
+ system_wq
+ sys_tz
+ task_active_pid_ns
+ __tasklet_hi_schedule
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ tasklet_setup
+ tasklist_lock
+ __task_pid_nr_ns
+ __task_rq_lock
+ task_sched_runtime
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+ thermal_zone_get_temp
+ thermal_zone_get_zone_by_name
+ tick_nohz_get_idle_calls_cpu
+ timecounter_init
+ timecounter_read
+ timer_unstable_counter_workaround
+ topology_set_thermal_pressure
+ _totalram_pages
+ __trace_bprintk
+ __trace_bputs
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_android_rvh_after_enqueue_task
+ __traceiter_android_rvh_cpu_overutilized
+ __traceiter_android_rvh_dequeue_task
+ __traceiter_android_rvh_dequeue_task_fair
+ __traceiter_android_rvh_enqueue_task
+ __traceiter_android_rvh_enqueue_task_fair
+ __traceiter_android_rvh_find_busiest_group
+ __traceiter_android_rvh_find_energy_efficient_cpu
+ __traceiter_android_rvh_finish_prio_fork
+ __traceiter_android_rvh_media_device_setup_link
+ __traceiter_android_rvh_new_task_stats
+ __traceiter_android_rvh_prepare_prio_fork
+ __traceiter_android_rvh_rtmutex_prepare_setprio
+ __traceiter_android_rvh_sched_newidle_balance
+ __traceiter_android_rvh_select_task_rq_fair
+ __traceiter_android_rvh_setscheduler
+ __traceiter_android_rvh_set_user_nice
+ __traceiter_android_rvh_tick_entry
+ __traceiter_android_rvh_uclamp_eff_get
+ __traceiter_android_rvh_v4l2subdev_set_fmt
+ __traceiter_android_rvh_v4l2subdev_set_frame_interval
+ __traceiter_android_rvh_v4l2subdev_set_selection
+ __traceiter_android_vh_alter_futex_plist_add
+ __traceiter_android_vh_alter_rwsem_list_add
+ __traceiter_android_vh_arch_set_freq_scale
+ __traceiter_android_vh_binder_restore_priority
+ __traceiter_android_vh_binder_set_priority
+ __traceiter_android_vh_binder_transaction_init
+ __traceiter_android_vh_cgroup_set_task
+ __traceiter_android_vh_check_bpf_syscall
+ __traceiter_android_vh_check_file_open
+ __traceiter_android_vh_check_mmap_file
+ __traceiter_android_vh_clear_mask_adjust
+ __traceiter_android_vh_clear_reserved_fmt_fields
+ __traceiter_android_vh_commit_creds
+ __traceiter_android_vh_em_cpu_energy
+ __traceiter_android_vh_exit_creds
+ __traceiter_android_vh_fill_ext_fmtdesc
+ __traceiter_android_vh_finish_update_load_avg_se
+ __traceiter_android_vh_freq_qos_add_request
+ __traceiter_android_vh_freq_qos_update_request
+ __traceiter_android_vh_freq_qos_remove_request
+ __traceiter_android_vh_iommu_alloc_iova
+ __traceiter_android_vh_iommu_iovad_alloc_iova
+ __traceiter_android_vh_iommu_free_iova
+ __traceiter_android_vh_iommu_iovad_free_iova
+ __traceiter_android_vh_ipv6_gen_linklocal_addr
+ __traceiter_android_vh_logbuf
+ __traceiter_android_vh_override_creds
+ __traceiter_android_vh_prepare_update_load_avg_se
+ __traceiter_android_vh_revert_creds
+ __traceiter_android_vh_rwsem_init
+ __traceiter_android_vh_rwsem_wake
+ __traceiter_android_vh_rwsem_write_finished
+ __traceiter_android_vh_scheduler_tick
+ __traceiter_android_vh_scmi_timeout_sync
+ __traceiter_android_vh_selinux_avc_insert
+ __traceiter_android_vh_selinux_avc_lookup
+ __traceiter_android_vh_selinux_avc_node_delete
+ __traceiter_android_vh_selinux_avc_node_replace
+ __traceiter_android_vh_selinux_is_initialized
+ __traceiter_android_vh_set_memory_nx
+ __traceiter_android_vh_set_memory_ro
+ __traceiter_android_vh_set_memory_rw
+ __traceiter_android_vh_set_memory_x
+ __traceiter_android_vh_set_module_permit_after_init
+ __traceiter_android_vh_set_module_permit_before_init
+ __traceiter_android_vh_set_wake_flags
+ __traceiter_android_vh_snd_soc_card_get_comp_chain
+ __traceiter_android_vh_syscall_prctl_finished
+ __traceiter_android_vh_ufs_send_command
+ __traceiter_android_vh_ufs_send_tm_command
+ __traceiter_cpu_frequency
+ __traceiter_pelt_se_tp
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __traceiter_sched_update_nr_running_tp
+ __traceiter_task_newtask
+ __traceiter_xhci_urb_giveback
+ __tracepoint_android_rvh_after_enqueue_task
+ __tracepoint_android_rvh_cpu_overutilized
+ __tracepoint_android_rvh_dequeue_task
+ __tracepoint_android_rvh_dequeue_task_fair
+ __tracepoint_android_rvh_enqueue_task
+ __tracepoint_android_rvh_enqueue_task_fair
+ __tracepoint_android_rvh_find_busiest_group
+ __tracepoint_android_rvh_find_energy_efficient_cpu
+ __tracepoint_android_rvh_finish_prio_fork
+ __tracepoint_android_rvh_media_device_setup_link
+ __tracepoint_android_rvh_new_task_stats
+ __tracepoint_android_rvh_prepare_prio_fork
+ __tracepoint_android_rvh_rtmutex_prepare_setprio
+ __tracepoint_android_rvh_sched_newidle_balance
+ __tracepoint_android_rvh_select_task_rq_fair
+ __tracepoint_android_rvh_setscheduler
+ __tracepoint_android_rvh_set_user_nice
+ __tracepoint_android_rvh_tick_entry
+ __tracepoint_android_rvh_uclamp_eff_get
+ __tracepoint_android_rvh_v4l2subdev_set_fmt
+ __tracepoint_android_rvh_v4l2subdev_set_frame_interval
+ __tracepoint_android_rvh_v4l2subdev_set_selection
+ __tracepoint_android_vh_alter_futex_plist_add
+ __tracepoint_android_vh_alter_rwsem_list_add
+ __tracepoint_android_vh_arch_set_freq_scale
+ __tracepoint_android_vh_binder_restore_priority
+ __tracepoint_android_vh_binder_set_priority
+ __tracepoint_android_vh_binder_transaction_init
+ __tracepoint_android_vh_cgroup_set_task
+ __tracepoint_android_vh_check_bpf_syscall
+ __tracepoint_android_vh_check_file_open
+ __tracepoint_android_vh_check_mmap_file
+ __tracepoint_android_vh_clear_mask_adjust
+ __tracepoint_android_vh_clear_reserved_fmt_fields
+ __tracepoint_android_vh_commit_creds
+ __tracepoint_android_vh_em_cpu_energy
+ __tracepoint_android_vh_exit_creds
+ __tracepoint_android_vh_fill_ext_fmtdesc
+ __tracepoint_android_vh_finish_update_load_avg_se
+ __tracepoint_android_vh_freq_qos_add_request
+ __tracepoint_android_vh_freq_qos_update_request
+ __tracepoint_android_vh_freq_qos_remove_request
+ __tracepoint_android_vh_iommu_alloc_iova
+ __tracepoint_android_vh_iommu_iovad_alloc_iova
+ __tracepoint_android_vh_iommu_free_iova
+ __tracepoint_android_vh_iommu_iovad_free_iova
+ __tracepoint_android_vh_ipv6_gen_linklocal_addr
+ __tracepoint_android_vh_logbuf
+ __tracepoint_android_vh_override_creds
+ __tracepoint_android_vh_prepare_update_load_avg_se
+ __tracepoint_android_vh_revert_creds
+ __tracepoint_android_vh_rwsem_init
+ __tracepoint_android_vh_rwsem_wake
+ __tracepoint_android_vh_rwsem_write_finished
+ __tracepoint_android_vh_scheduler_tick
+ __tracepoint_android_vh_scmi_timeout_sync
+ __tracepoint_android_vh_selinux_avc_insert
+ __tracepoint_android_vh_selinux_avc_lookup
+ __tracepoint_android_vh_selinux_avc_node_delete
+ __tracepoint_android_vh_selinux_avc_node_replace
+ __tracepoint_android_vh_selinux_is_initialized
+ __tracepoint_android_vh_set_memory_nx
+ __tracepoint_android_vh_set_memory_ro
+ __tracepoint_android_vh_set_memory_rw
+ __tracepoint_android_vh_set_memory_x
+ __tracepoint_android_vh_set_module_permit_after_init
+ __tracepoint_android_vh_set_module_permit_before_init
+ __tracepoint_android_vh_set_wake_flags
+ __tracepoint_android_vh_snd_soc_card_get_comp_chain
+ __tracepoint_android_vh_syscall_prctl_finished
+ __tracepoint_android_vh_ufs_send_command
+ __tracepoint_android_vh_ufs_send_tm_command
+ __tracepoint_cpu_frequency
+ __tracepoint_pelt_se_tp
+ tracepoint_probe_register
+ tracepoint_probe_unregister
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __tracepoint_sched_update_nr_running_tp
+ tracepoint_srcu
+ __tracepoint_task_newtask
+ __tracepoint_xhci_urb_giveback
+ trace_print_array_seq
+ trace_print_hex_seq
+ trace_print_symbols_seq
+ __trace_puts
+ trace_raw_output_prep
+ trace_seq_printf
+ trace_seq_putc
+ trace_set_clr_event
+ tracing_off
+ try_wait_for_completion
+ tty_flip_buffer_push
+ tty_insert_flip_string_fixed_flag
+ tty_termios_baud_rate
+ tty_termios_encode_baud_rate
+ typec_get_drvdata
+ typec_mux_get_drvdata
+ typec_mux_register
+ typec_mux_set
+ typec_mux_unregister
+ typec_partner_set_identity
+ typec_register_partner
+ typec_register_port
+ typec_set_data_role
+ typec_set_orientation
+ typec_set_pwr_opmode
+ typec_set_pwr_role
+ typec_set_vconn_role
+ typec_switch_get_drvdata
+ typec_switch_register
+ typec_switch_unregister
+ typec_unregister_partner
+ uart_get_baud_rate
+ uart_get_divisor
+ uart_update_timeout
+ uclamp_eff_value
+ __udelay
+ ufshcd_delay_us
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_dump_regs
+ ufshcd_fixup_dev_quirks
+ ufshcd_get_pwr_dev_param
+ ufshcd_hba_enable
+ ufshcd_hba_stop
+ ufshcd_hold
+ ufshcd_link_recovery
+ ufshcd_make_hba_operational
+ ufshcd_pltfrm_init
+ ufshcd_pltfrm_resume
+ ufshcd_pltfrm_runtime_idle
+ ufshcd_pltfrm_runtime_resume
+ ufshcd_pltfrm_runtime_suspend
+ ufshcd_pltfrm_shutdown
+ ufshcd_pltfrm_suspend
+ ufshcd_query_attr
+ ufshcd_query_attr_retry
+ ufshcd_query_descriptor_retry
+ ufshcd_query_flag
+ ufshcd_read_desc_param
+ ufshcd_release
+ ufshcd_remove
+ ufshcd_uic_hibern8_exit
+ unlock_page
+ unpin_user_page
+ unpin_user_pages
+ unregister_blkdev
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_die_notifier
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_kprobe
+ unregister_module_notifier
+ unregister_netdev
+ unregister_netdevice_many
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_oom_notifier
+ unregister_pernet_device
+ unregister_pernet_subsys
+ unregister_pm_notifier
+ unregister_reboot_notifier
+ unregister_rpmsg_driver
+ unregister_shrinker
+ unregister_virtio_device
+ unregister_virtio_driver
+ up
+ update_devfreq
+ update_rq_clock
+ up_read
+ up_write
+ usb_add_config
+ usb_add_function
+ usb_add_gadget_udc
+ usb_add_hcd
+ usb_composite_probe
+ usb_composite_unregister
+ usb_copy_descriptors
+ usb_create_hcd
+ usb_create_shared_hcd
+ usb_debug_root
+ usb_del_gadget_udc
+ usb_deregister
+ usb_disabled
+ usb_ep_alloc_request
+ usb_ep_autoconfig
+ usb_ep_dequeue
+ usb_ep_disable
+ usb_ep_enable
+ usb_ep_free_request
+ usb_ep_queue
+ usb_ep_set_halt
+ usb_ep_set_maxpacket_limit
+ usb_function_register
+ usb_function_unregister
+ usb_gadget_connect
+ usb_gadget_disconnect
+ usb_gadget_giveback_request
+ usb_gadget_map_request
+ usb_gadget_probe_driver
+ usb_gadget_set_selfpowered
+ usb_gadget_set_state
+ usb_gadget_unmap_request
+ usb_get_dr_mode
+ usb_get_function
+ usb_get_function_instance
+ usb_get_maximum_speed
+ usb_hcd_is_primary_hcd
+ usb_hcd_poll_rh_status
+ usb_interface_id
+ usbnet_change_mtu
+ usbnet_disconnect
+ usbnet_get_drvinfo
+ usbnet_get_endpoints
+ usbnet_get_link
+ usbnet_get_link_ksettings
+ usbnet_get_msglevel
+ usbnet_get_stats64
+ usbnet_link_change
+ usbnet_nway_reset
+ usbnet_open
+ usbnet_probe
+ usbnet_read_cmd
+ usbnet_read_cmd_nopm
+ usbnet_resume
+ usbnet_set_link_ksettings
+ usbnet_set_msglevel
+ usbnet_skb_return
+ usbnet_start_xmit
+ usbnet_stop
+ usbnet_suspend
+ usbnet_tx_timeout
+ usbnet_unlink_rx_urbs
+ usbnet_update_max_qlen
+ usbnet_write_cmd
+ usbnet_write_cmd_async
+ usbnet_write_cmd_nopm
+ usb_os_desc_prepare_interf_dir
+ usb_put_function
+ usb_put_function_instance
+ usb_put_hcd
+ usb_register_driver
+ usb_remove_function
+ usb_remove_hcd
+ usb_role_switch_get
+ usb_role_switch_get_drvdata
+ usb_role_switch_register
+ usb_role_switch_set_role
+ usb_role_switch_unregister
+ usb_speed_string
+ usb_string_id
+ __usecs_to_jiffies
+ usleep_range
+ uuid_null
+ v4l2_async_notifier_add_fwnode_subdev
+ v4l2_async_notifier_add_subdev
+ v4l2_async_notifier_cleanup
+ v4l2_async_notifier_init
+ v4l2_async_notifier_register
+ v4l2_async_notifier_unregister
+ v4l2_async_register_subdev
+ v4l2_async_subdev_notifier_register
+ v4l2_async_unregister_subdev
+ v4l2_compat_ioctl32
+ v4l2_ctrl_find
+ v4l2_ctrl_g_ctrl
+ v4l2_ctrl_g_ctrl_int64
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_handler_setup
+ __v4l2_ctrl_modify_range
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu
+ v4l2_ctrl_new_std_menu_items
+ v4l2_ctrl_request_complete
+ v4l2_ctrl_request_setup
+ __v4l2_ctrl_s_ctrl
+ __v4l2_ctrl_s_ctrl_compound
+ v4l2_ctrl_subdev_subscribe_event
+ v4l2_ctrl_subscribe_event
+ v4l2_device_register
+ v4l2_device_register_subdev
+ __v4l2_device_register_subdev_nodes
+ v4l2_device_unregister
+ v4l2_device_unregister_subdev
+ v4l2_event_queue
+ v4l2_event_queue_fh
+ v4l2_event_subdev_unsubscribe
+ v4l2_event_subscribe
+ v4l2_event_unsubscribe
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_fh_is_singular
+ v4l2_fh_open
+ __v4l2_find_nearest_size
+ v4l2_format_info
+ v4l2_i2c_subdev_init
+ v4l2_m2m_buf_copy_metadata
+ v4l2_m2m_buf_queue
+ v4l2_m2m_buf_remove
+ v4l2_m2m_ctx_init
+ v4l2_m2m_ctx_release
+ v4l2_m2m_dqbuf
+ v4l2_m2m_fop_mmap
+ v4l2_m2m_fop_poll
+ v4l2_m2m_get_curr_priv
+ v4l2_m2m_get_vq
+ v4l2_m2m_init
+ v4l2_m2m_ioctl_create_bufs
+ v4l2_m2m_ioctl_dqbuf
+ v4l2_m2m_ioctl_expbuf
+ v4l2_m2m_ioctl_prepare_buf
+ v4l2_m2m_ioctl_qbuf
+ v4l2_m2m_ioctl_querybuf
+ v4l2_m2m_ioctl_reqbufs
+ v4l2_m2m_ioctl_streamoff
+ v4l2_m2m_ioctl_streamon
+ v4l2_m2m_job_finish
+ v4l2_m2m_next_buf
+ v4l2_m2m_qbuf
+ v4l2_m2m_register_media_controller
+ v4l2_m2m_release
+ v4l2_m2m_request_queue
+ v4l2_m2m_resume
+ v4l2_m2m_streamoff
+ v4l2_m2m_suspend
+ v4l2_m2m_try_schedule
+ v4l2_m2m_unregister_media_controller
+ v4l2_pipeline_link_notify
+ v4l2_src_change_event_subscribe
+ v4l2_subdev_call_wrappers
+ v4l2_subdev_init
+ v4l2_subdev_link_validate
+ v4l2_subdev_link_validate_default
+ v4l_bound_align_image
+ vabits_actual
+ vb2_buffer_done
+ vb2_common_vm_ops
+ vb2_create_framevec
+ vb2_destroy_framevec
+ vb2_dma_contig_memops
+ vb2_fop_mmap
+ vb2_fop_poll
+ vb2_fop_release
+ vb2_ioctl_create_bufs
+ vb2_ioctl_dqbuf
+ vb2_ioctl_expbuf
+ vb2_ioctl_prepare_buf
+ vb2_ioctl_qbuf
+ vb2_ioctl_querybuf
+ vb2_ioctl_reqbufs
+ vb2_ioctl_streamoff
+ vb2_ioctl_streamon
+ vb2_ops_wait_finish
+ vb2_ops_wait_prepare
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_queue_init
+ vb2_queue_release
+ vb2_request_object_is_buffer
+ vb2_request_queue
+ vb2_request_validate
+ vchan_dma_desc_free_list
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+ verify_pkcs7_signature
+ vfree
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ virtqueue_add_inbuf
+ virtqueue_add_outbuf
+ virtqueue_detach_unused_buf
+ virtqueue_get_buf
+ virtqueue_get_vring_size
+ virtqueue_kick
+ virtqueue_kick_prepare
+ virtqueue_notify
+ vmalloc
+ vmalloc_to_page
+ vmalloc_to_pfn
+ vmalloc_user
+ vmap
+ vm_event_states
+ vm_map_ram
+ vm_node_stat
+ vm_unmap_ram
+ vm_zone_stat
+ vring_del_virtqueue
+ vring_interrupt
+ vring_new_virtqueue
+ vscnprintf
+ vsnprintf
+ vsprintf
+ vsscanf
+ vunmap
+ vzalloc
+ wait_for_completion
+ wait_for_completion_interruptible
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_io_timeout
+ wait_for_completion_killable
+ wait_for_completion_timeout
+ wait_woken
+ __wake_up
+ __wake_up_locked
+ wake_up_process
+ wakeup_source_add
+ wakeup_source_create
+ wakeup_source_destroy
+ wakeup_source_register
+ wakeup_source_remove
+ wakeup_source_unregister
+ __warn_printk
+ watchdog_init_timeout
+ watchdog_set_restart_priority
+ wireless_nlevent_flush
+ woken_wake_function
+ work_busy
+ work_on_cpu
+ ww_mutex_lock
+ ww_mutex_unlock
+ xhci_add_endpoint
+ xhci_check_bandwidth
+ xhci_drop_endpoint
+ xhci_gen_setup
+ xhci_get_endpoint_index
+ xhci_get_ep_ctx
+ xhci_init_driver
+ xhci_reset_bandwidth
+
+# preserved by --additions-only
+ all_vm_events
+ __arch_clear_user
+ __bitmap_equal
+ __bitmap_or
+ blk_insert_cloned_request
+ cache_line_size
+ cgroup_taskset_first
+ cgroup_taskset_next
+ class_create_file_ns
+ class_remove_file_ns
+ clear_page
+ cpufreq_update_util_data
+ cpu_pm_register_notifier
+ cpu_pm_unregister_notifier
+ debug_locks_off
+ devfreq_add_device
+ devfreq_cooling_unregister
+ devfreq_register_opp_notifier
+ devfreq_unregister_opp_notifier
+ dev_get_by_name
+ devm_of_pwm_get
+ devm_rc_allocate_device
+ devm_rc_register_device
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_put_regulators
+ dev_pm_opp_set_regulators
+ dma_buf_mmap
+ dma_fence_get_status
+ dma_fence_remove_callback
+ dma_heap_buffer_free
+ dma_sync_single_for_device
+ downgrade_write
+ down_read_trylock
+ drm_gem_private_object_init
+ get_user_pages
+ get_user_pages_fast
+ gpiod_set_raw_value
+ hci_alloc_dev
+ hci_free_dev
+ hci_recv_frame
+ hci_register_dev
+ hci_unregister_dev
+ hex_dump_to_buffer
+ iomem_resource
+ irq_work_run
+ jiffies_64_to_clock_t
+ __kfifo_init
+ kset_find_obj
+ kstrtobool_from_user
+ ktime_get_raw
+ led_classdev_unregister
+ memdup_user
+ __mmdrop
+ module_put
+ netlink_kernel_release
+ nla_put_nohdr
+ n_tty_ioctl_helper
+ of_devfreq_cooling_register_power
+ of_root
+ param_ops_byte
+ param_ops_string
+ perf_num_counters
+ pin_user_pages_remote
+ rb_prev
+ rb_replace_node
+ __release_region
+ __request_region
+ schedutil_cpu_util
+ sdio_claim_host
+ sdio_claim_irq
+ sdio_disable_func
+ sdio_enable_func
+ sdio_f0_readb
+ sdio_f0_writeb
+ sdio_get_host_pm_caps
+ sdio_readb
+ sdio_readl
+ sdio_readsb
+ sdio_register_driver
+ sdio_release_host
+ sdio_release_irq
+ sdio_set_block_size
+ sdio_set_host_pm_flags
+ sdio_unregister_driver
+ sdio_writeb
+ sdio_writel
+ sdio_writesb
+ send_sig_info
+ shmem_file_setup
+ si_meminfo
+ skb_pull_rcsum
+ skb_realloc_headroom
+ smp_call_function_single
+ snd_soc_component_test_bits
+ sprint_symbol_no_offset
+ strpbrk
+ strspn
+ syscore_resume
+ syscore_suspend
+ system_long_wq
+ thermal_zone_device_update
+ __traceiter_android_rvh_sched_rebalance_domains
+ __traceiter_android_vh_cgroup_attach
+ __traceiter_android_vh_is_fpsimd_save
+ __traceiter_android_vh_media_device_setup_link
+ __traceiter_android_vh_v4l2subdev_set_fmt
+ __traceiter_android_vh_v4l2subdev_set_frame_interval
+ __traceiter_android_vh_v4l2subdev_set_selection
+ __traceiter_gpu_mem_total
+ trace_output_call
+ __tracepoint_android_rvh_sched_rebalance_domains
+ __tracepoint_android_vh_cgroup_attach
+ __tracepoint_android_vh_is_fpsimd_save
+ __tracepoint_android_vh_media_device_setup_link
+ __tracepoint_android_vh_ufs_update_sdev
+ __tracepoint_android_vh_v4l2subdev_set_fmt
+ __tracepoint_android_vh_v4l2subdev_set_frame_interval
+ __tracepoint_android_vh_v4l2subdev_set_selection
+ __tracepoint_gpu_mem_total
+ trace_print_flags_seq
+ try_module_get
+ tty_driver_flush_buffer
+ tty_register_ldisc
+ tty_unregister_ldisc
+ ufshcd_auto_hibern8_update
+ ufshcd_shutdown
+ unmap_mapping_range
+ unregister_syscore_ops
+ v4l2_m2m_buf_remove_by_buf
+ vmf_insert_pfn_prot
+ wait_for_completion_killable_timeout
+ wireless_send_event
+ ww_mutex_lock_interruptible
+ zlib_deflate
+ zlib_deflateEnd
+ zlib_deflateInit2
+ zlib_deflateReset
+ zlib_deflate_workspacesize
diff --git a/android/abi_gki_aarch64_oplus b/android/abi_gki_aarch64_oplus
new file mode 100644
index 0000000..9afce39
--- /dev/null
+++ b/android/abi_gki_aarch64_oplus
@@ -0,0 +1,3352 @@
+[abi_symbol_list]
+ access_process_vm
+ activate_task
+ add_cpu
+ add_device_randomness
+ add_memory
+ add_memory_subsection
+ add_taint
+ add_timer
+ add_uevent_var
+ add_wait_queue
+ adjust_managed_page_count
+ alarm_cancel
+ alarm_init
+ alarm_start
+ alarm_start_relative
+ alarm_try_to_cancel
+ alloc_anon_inode
+ alloc_chrdev_region
+ __alloc_disk_node
+ alloc_etherdev_mqs
+ alloc_io_pgtable_ops
+ alloc_netdev_mqs
+ alloc_pages_exact
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_percpu_gfp
+ __alloc_skb
+ alloc_skb_with_frags
+ alloc_workqueue
+ amba_bustype
+ amba_driver_register
+ amba_driver_unregister
+ android_debug_per_cpu_symbol
+ android_debug_symbol
+ android_rvh_probe_register
+ anon_inode_getfd
+ anon_inode_getfile
+ arc4_crypt
+ arc4_setkey
+ __arch_copy_from_user
+ __arch_copy_in_user
+ __arch_copy_to_user
+ arch_mmap_rnd
+ arch_timer_read_counter
+ argv_free
+ argv_split
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_hvc
+ __arm_smccc_smc
+ arp_tbl
+ async_schedule_node
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ autoremove_wake_function
+ available_idle_cpu
+ bcmp
+ bdget_disk
+ bdput
+ bio_add_pc_page
+ bio_alloc_bioset
+ bio_endio
+ bio_put
+ bio_reset
+ bitmap_allocate_region
+ __bitmap_andnot
+ __bitmap_clear
+ bitmap_find_free_region
+ bitmap_find_next_zero_area_off
+ bitmap_free
+ bitmap_from_arr32
+ __bitmap_or
+ bitmap_parselist_user
+ bitmap_print_to_pagebuf
+ bitmap_release_region
+ __bitmap_set
+ bitmap_to_arr32
+ __bitmap_weight
+ bitmap_zalloc
+ blk_alloc_queue
+ blk_cleanup_queue
+ blk_execute_rq
+ blk_execute_rq_nowait
+ blk_get_request
+ blk_mq_free_request
+ blk_mq_rq_cpu
+ blk_mq_sched_mark_restart_hctx
+ blk_mq_start_request
+ blk_put_request
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_rq_append_bio
+ blk_rq_map_kern
+ blk_rq_map_user
+ blk_rq_map_user_iov
+ blk_rq_unmap_user
+ blk_verify_command
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run1
+ bpf_trace_run10
+ bpf_trace_run12
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bpf_trace_run7
+ bpf_trace_run8
+ bpf_trace_run9
+ bus_find_device
+ bus_for_each_dev
+ bus_register
+ bus_set_iommu
+ bus_unregister
+ call_rcu
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_add
+ cdev_alloc
+ cdev_del
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ cgroup_add_legacy_cftypes
+ cgroup_path_ns
+ cgroup_taskset_first
+ cgroup_taskset_next
+ __check_object_size
+ check_preempt_curr
+ check_zeroed_user
+ __class_create
+ class_destroy
+ class_find_device
+ class_for_each_device
+ class_interface_unregister
+ __class_register
+ class_unregister
+ cleanup_srcu_struct
+ clear_page
+ __ClearPageMovable
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_prepare
+ clk_bulk_put_all
+ clk_bulk_unprepare
+ __clk_determine_rate
+ clk_disable
+ clk_divider_ops
+ clk_enable
+ clk_fixed_factor_ops
+ clk_fixed_rate_ops
+ clk_gate_ops
+ clk_get
+ __clk_get_hw
+ __clk_get_name
+ clk_get_parent
+ clk_get_rate
+ clk_hw_get_flags
+ clk_hw_get_name
+ clk_hw_get_num_parents
+ clk_hw_get_parent
+ clk_hw_get_parent_by_index
+ clk_hw_get_rate
+ clk_hw_is_enabled
+ clk_hw_is_prepared
+ clk_hw_register
+ clk_hw_round_rate
+ clk_hw_unregister
+ __clk_is_enabled
+ __clk_mux_determine_rate_closest
+ clk_mux_ops
+ clk_notifier_register
+ clk_notifier_unregister
+ clk_prepare
+ clk_put
+ clk_register
+ clk_register_composite
+ clk_register_divider_table
+ clk_register_fixed_factor
+ clk_register_fixed_rate
+ clk_round_rate
+ clk_set_parent
+ clk_set_rate
+ clk_sync_state
+ clk_unprepare
+ clocks_calc_mult_shift
+ __close_fd
+ cma_alloc
+ cma_get_name
+ cma_release
+ compat_alloc_user_space
+ compat_ptr_ioctl
+ complete
+ complete_all
+ completion_done
+ component_add
+ component_add_typed
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_match_add_typed
+ component_unbind_all
+ config_ep_by_speed
+ configfs_register_subsystem
+ configfs_unregister_subsystem
+ config_group_init
+ config_group_init_type_name
+ config_item_get
+ config_item_put
+ console_drivers
+ console_printk
+ console_stop
+ console_suspend_enabled
+ console_unlock
+ __const_udelay
+ consume_skb
+ contig_page_data
+ _copy_from_iter
+ _copy_from_iter_full
+ copy_from_kernel_nofault
+ _copy_to_iter
+ __cpu_active_mask
+ cpu_all_bits
+ cpu_bit_bitmap
+ cpufreq_add_update_util_hook
+ cpufreq_cooling_unregister
+ cpufreq_cpu_get
+ cpufreq_cpu_get_raw
+ cpufreq_cpu_put
+ cpufreq_disable_fast_switch
+ cpufreq_driver_fast_switch
+ cpufreq_driver_resolve_freq
+ __cpufreq_driver_target
+ cpufreq_enable_fast_switch
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_frequency_table_get_index
+ cpufreq_generic_attr
+ cpufreq_generic_frequency_table_verify
+ cpufreq_get_policy
+ cpufreq_policy_transition_delay_us
+ cpufreq_quick_get
+ cpufreq_register_driver
+ cpufreq_register_governor
+ cpufreq_register_notifier
+ cpufreq_remove_update_util_hook
+ cpufreq_table_index_unsorted
+ cpufreq_this_cpu_can_update
+ cpufreq_unregister_driver
+ cpufreq_unregister_governor
+ cpufreq_unregister_notifier
+ cpufreq_update_limits
+ cpu_hotplug_disable
+ cpu_hotplug_enable
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_setup_state_cpuslocked
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpuidle_driver_state_disabled
+ cpuidle_get_driver
+ cpuidle_governor_latency_req
+ cpuidle_pause_and_lock
+ cpuidle_register_governor
+ cpuidle_resume_and_unlock
+ cpu_irqtime
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ cpu_latency_qos_request_active
+ cpu_latency_qos_update_request
+ cpu_maps_update_begin
+ cpu_maps_update_done
+ cpumask_any_but
+ cpumask_next
+ cpumask_next_and
+ cpu_number
+ __cpu_online_mask
+ cpu_pm_register_notifier
+ cpu_pm_unregister_notifier
+ __cpu_possible_mask
+ __cpu_present_mask
+ cpupri_find_fitness
+ cpu_scale
+ cpus_read_lock
+ cpus_read_unlock
+ cpu_subsys
+ cpu_topology
+ crc32_be
+ crc32_le
+ crc8
+ crc8_populate_msb
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_alloc_aead
+ crypto_alloc_base
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_destroy_tfm
+ crypto_has_alg
+ __crypto_memneq
+ crypto_register_alg
+ crypto_register_rngs
+ crypto_register_scomp
+ crypto_shash_digest
+ crypto_shash_final
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ crypto_unregister_alg
+ crypto_unregister_rngs
+ crypto_unregister_scomp
+ __crypto_xor
+ css_next_child
+ _ctype
+ dapm_clock_event
+ dapm_kcontrol_get_value
+ dapm_regulator_event
+ datagram_poll
+ deactivate_task
+ debugfs_attr_read
+ debugfs_attr_write
+ debugfs_create_blob
+ debugfs_create_bool
+ debugfs_create_devm_seqfile
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_file_unsafe
+ debugfs_create_regset32
+ debugfs_create_symlink
+ debugfs_create_u32
+ debugfs_create_u64
+ debugfs_create_u8
+ debugfs_create_x32
+ debugfs_create_x8
+ debugfs_file_get
+ debugfs_file_put
+ debugfs_lookup
+ debugfs_remove
+ debugfs_rename
+ dec_zone_page_state
+ default_llseek
+ deferred_free
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ desc_to_gpio
+ destroy_workqueue
+ dev_alloc_name
+ dev_base_lock
+ dev_change_net_namespace
+ dev_close
+ dev_coredumpv
+ _dev_crit
+ dev_driver_string
+ _dev_emerg
+ _dev_err
+ dev_err_probe
+ dev_fetch_sw_netstats
+ devfreq_add_device
+ devfreq_add_governor
+ devfreq_cooling_unregister
+ devfreq_get_devfreq_by_node
+ devfreq_get_devfreq_by_phandle
+ devfreq_monitor_resume
+ devfreq_monitor_start
+ devfreq_monitor_stop
+ devfreq_monitor_suspend
+ devfreq_recommended_opp
+ devfreq_remove_device
+ devfreq_remove_governor
+ devfreq_resume_device
+ devfreq_suspend_device
+ devfreq_update_interval
+ dev_fwnode
+ __dev_get_by_index
+ dev_get_by_index
+ dev_get_by_name
+ dev_get_regmap
+ dev_get_stats
+ device_add
+ device_add_disk
+ device_add_groups
+ device_create
+ device_create_bin_file
+ device_create_file
+ device_create_with_groups
+ device_del
+ device_destroy
+ device_find_child
+ device_for_each_child
+ device_get_child_node_count
+ device_get_match_data
+ device_get_next_child_node
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_link_remove
+ device_match_fwnode
+ device_match_name
+ device_property_present
+ device_property_read_string
+ device_property_read_u16_array
+ device_property_read_u32_array
+ device_register
+ device_remove_bin_file
+ device_remove_file
+ device_rename
+ device_set_of_node_from_dev
+ device_set_wakeup_capable
+ device_show_bool
+ device_show_int
+ device_store_bool
+ device_store_int
+ device_unregister
+ device_wakeup_disable
+ device_wakeup_enable
+ _dev_info
+ __dev_kfree_skb_any
+ devm_add_action
+ __devm_alloc_percpu
+ devm_blk_ksm_init
+ devm_clk_bulk_get
+ devm_clk_bulk_get_all
+ devm_clk_bulk_get_optional
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_hw_register
+ devm_clk_put
+ devm_clk_register
+ devm_devfreq_add_device
+ devm_devfreq_register_notifier
+ devm_devfreq_remove_device
+ devm_devfreq_unregister_notifier
+ devm_device_add_group
+ devm_device_remove_group
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_extcon_dev_unregister
+ devm_extcon_register_notifier
+ devm_free_irq
+ devm_fwnode_pwm_get
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_gpiod_get_index
+ devm_gpiod_get_optional
+ devm_gpiod_put
+ devm_gpio_free
+ devm_gpio_request
+ devm_gpio_request_one
+ devm_hwrng_register
+ devm_hwspin_lock_register
+ devm_i2c_new_dummy_device
+ devm_iio_channel_get
+ devm_iio_channel_get_all
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_ioremap_wc
+ devm_iounmap
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_kstrdup
+ devm_led_classdev_register_ext
+ devm_led_classdev_unregister
+ devm_mbox_controller_register
+ devm_memremap
+ devm_mfd_add_devices
+ devm_nvmem_cell_get
+ devm_nvmem_device_get
+ devm_nvmem_register
+ devm_of_clk_add_hw_provider
+ devm_of_icc_get
+ devm_of_phy_get_by_index
+ __devm_of_phy_provider_register
+ devm_of_platform_populate
+ devm_of_pwm_get
+ devm_pci_alloc_host_bridge
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_get
+ devm_pinctrl_put
+ devm_pinctrl_register
+ devm_pinctrl_register_and_init
+ devm_platform_get_and_ioremap_resource
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ devm_power_supply_get_by_phandle
+ devm_power_supply_register
+ devm_regmap_add_irq_chip
+ devm_regmap_field_alloc
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_exclusive
+ devm_regulator_get_optional
+ devm_regulator_put
+ devm_regulator_register
+ devm_regulator_register_notifier
+ devm_regulator_unregister_notifier
+ devm_request_any_context_irq
+ devm_request_threaded_irq
+ __devm_reset_control_get
+ devm_reset_controller_register
+ devm_rtc_allocate_device
+ devm_snd_soc_register_card
+ devm_snd_soc_register_component
+ devm_spi_register_controller
+ devm_thermal_of_cooling_device_register
+ devm_thermal_zone_of_sensor_register
+ devm_usb_get_phy_by_node
+ devm_watchdog_register_device
+ _dev_notice
+ dev_pm_domain_attach
+ dev_pm_domain_attach_by_id
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_genpd_add_notifier
+ dev_pm_genpd_remove_notifier
+ dev_pm_genpd_set_next_wakeup
+ dev_pm_genpd_set_performance_state
+ dev_pm_opp_add
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_ceil_by_volt
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_freq
+ dev_pm_opp_get_level
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_opp_table
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_add_table_indexed
+ dev_pm_opp_of_find_icc_paths
+ dev_pm_opp_of_register_em
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_clkname
+ dev_pm_opp_put_opp_table
+ dev_pm_opp_remove_all_dynamic
+ dev_pm_opp_set_clkname
+ dev_pm_opp_set_rate
+ dev_pm_opp_set_sharing_cpus
+ dev_pm_qos_add_notifier
+ dev_pm_qos_add_request
+ dev_pm_qos_read_value
+ dev_pm_qos_remove_notifier
+ dev_pm_qos_remove_request
+ dev_pm_qos_update_request
+ dev_printk
+ dev_queue_xmit
+ devres_add
+ devres_alloc_node
+ devres_destroy
+ devres_free
+ devres_release
+ dev_set_name
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ disable_percpu_irq
+ disk_end_io_acct
+ disk_start_io_acct
+ divider_get_val
+ divider_recalc_rate
+ divider_ro_round_rate_parent
+ divider_round_rate_parent
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_begin_cpu_access_partial
+ dma_buf_detach
+ dma_buf_end_cpu_access
+ dma_buf_end_cpu_access_partial
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dma_contiguous_default_area
+ dma_fence_add_callback
+ dma_fence_array_create
+ dma_fence_array_ops
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_enable_sw_signaling
+ dma_fence_free
+ dma_fence_get_status
+ dma_fence_init
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ dma_fence_signal_locked
+ dma_fence_signal_timestamp_locked
+ dma_fence_wait_timeout
+ dma_free_attrs
+ dma_get_sgtable_attrs
+ dma_get_slave_channel
+ dma_heap_add
+ dma_heap_buffer_alloc
+ dma_heap_bufferfd_alloc
+ dma_heap_find
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dma_heap_put
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_resource
+ dma_map_sg_attrs
+ dmam_free_coherent
+ dma_mmap_attrs
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ dma_release_channel
+ dma_request_chan
+ dma_resv_wait_timeout_rcu
+ dma_run_dependencies
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_resource
+ dma_unmap_sg_attrs
+ do_exit
+ do_wait_intr_irq
+ down
+ down_interruptible
+ down_read
+ down_timeout
+ down_trylock
+ down_write
+ d_path
+ dput
+ drain_workqueue
+ driver_create_file
+ driver_find_device
+ driver_register
+ driver_remove_file
+ driver_unregister
+ drm_add_edid_modes
+ drm_add_modes_noedid
+ drm_atomic_add_affected_connectors
+ drm_atomic_get_crtc_state
+ drm_atomic_helper_check
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ __drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_legacy_gamma_set
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_prepare_planes
+ drm_atomic_helper_resume
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_suspend
+ drm_atomic_helper_swap_state
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_vblanks
+ drm_atomic_state_clear
+ drm_atomic_state_default_release
+ __drm_atomic_state_free
+ drm_atomic_state_init
+ drm_bridge_attach
+ drm_calc_timestamping_constants
+ drm_compat_ioctl
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_update_edid_property
+ drm_crtc_cleanup
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_get
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ drm_crtc_vblank_waitqueue
+ __drm_dbg
+ drm_dev_alloc
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_display_mode_to_videomode
+ drm_dp_aux_init
+ drm_dp_aux_register
+ drm_dp_channel_eq_ok
+ drm_dp_clock_recovery_ok
+ drm_dp_dpcd_read
+ drm_dp_dpcd_write
+ drm_dp_link_train_channel_eq_delay
+ drm_dp_link_train_clock_recovery_delay
+ drm_edid_duplicate
+ drm_edid_to_sad
+ drm_encoder_cleanup
+ drm_encoder_init
+ __drm_err
+ drm_format_info
+ drm_framebuffer_cleanup
+ drm_framebuffer_init
+ drm_framebuffer_lookup
+ drm_framebuffer_remove
+ drm_gem_cma_vm_ops
+ drm_gem_create_mmap_offset
+ drm_gem_dumb_destroy
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_mmap_obj
+ drm_gem_object_free
+ drm_gem_object_init
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_prime_export
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_prime_import
+ drm_gem_vm_close
+ drm_get_edid
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_single_connector_modes
+ drm_ioctl
+ drm_is_current_master
+ drm_kms_helper_poll_disable
+ drm_kms_helper_poll_enable
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drmm_mode_config_init
+ drm_mode_config_cleanup
+ drm_mode_config_reset
+ drm_mode_copy
+ drm_mode_crtc_set_gamma_size
+ drm_mode_duplicate
+ drm_mode_object_find
+ drm_mode_object_put
+ drm_mode_probed_add
+ drm_mode_set_crtcinfo
+ drm_mode_set_name
+ drm_mode_vrefresh
+ drm_object_attach_property
+ drm_open
+ drm_panel_add
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_init
+ drm_panel_prepare
+ drm_panel_remove
+ drm_panel_unprepare
+ drm_plane_cleanup
+ drm_poll
+ drm_prime_gem_destroy
+ drm_property_blob_put
+ drm_property_create_blob
+ drm_property_create_range
+ drm_property_lookup_blob
+ drm_read
+ drm_release
+ drm_universal_plane_init
+ drm_vblank_init
+ drm_writeback_connector_init
+ drm_writeback_queue_job
+ drm_writeback_signal_completion
+ dump_stack
+ __dynamic_pr_debug
+ edac_device_add_device
+ edac_device_alloc_ctl_info
+ edac_device_alloc_index
+ edac_device_del_device
+ edac_device_free_ctl_info
+ edac_device_handle_ce_count
+ edac_device_handle_ue_count
+ em_cpu_get
+ em_dev_register_perf_domain
+ enable_irq
+ enable_percpu_irq
+ ether_setup
+ eth_header
+ eth_header_cache
+ eth_header_cache_update
+ eth_header_parse
+ eth_mac_addr
+ eth_platform_get_mac_address
+ ethtool_op_get_link
+ ethtool_op_get_ts_info
+ eth_type_trans
+ eth_validate_addr
+ eventfd_ctx_fdget
+ eventfd_ctx_fileget
+ eventfd_ctx_put
+ eventfd_ctx_remove_wait_queue
+ eventfd_signal
+ event_triggers_call
+ extcon_get_edev_by_phandle
+ extcon_get_edev_name
+ extcon_get_property
+ extcon_get_state
+ extcon_register_notifier
+ extcon_set_state_sync
+ failure_tracking
+ fasync_helper
+ __fdget
+ fd_install
+ fget
+ filp_close
+ filp_open_block
+ find_get_pid
+ find_last_bit
+ find_next_bit
+ find_next_zero_bit
+ find_pid_ns
+ find_snd_usb_substream
+ find_task_by_vpid
+ find_vma
+ find_vpid
+ finish_wait
+ firmware_request_nowarn
+ flush_dcache_page
+ flush_delayed_work
+ flush_work
+ flush_workqueue
+ follow_pfn
+ font_vga_8x16
+ for_each_kernel_tracepoint
+ fput
+ frame_vector_create
+ frame_vector_destroy
+ frame_vector_to_pages
+ frame_vector_to_pfns
+ free_io_pgtable_ops
+ free_irq
+ free_netdev
+ __free_pages
+ free_pages
+ free_pages_exact
+ free_percpu
+ free_percpu_irq
+ freezing_slow_path
+ freq_qos_add_notifier
+ freq_qos_add_request
+ freq_qos_remove_request
+ freq_qos_update_request
+ freq_scale
+ fs_bio_set
+ fsg_common_create_luns
+ fsg_common_set_cdev
+ fsg_common_set_inquiry_string
+ fsg_common_set_sysfs
+ fsg_config_from_params
+ fsync_bdev
+ fwnode_device_is_available
+ fwnode_find_reference
+ fwnode_get_name
+ fwnode_get_next_child_node
+ fwnode_graph_get_next_endpoint
+ fwnode_graph_get_port_parent
+ fwnode_graph_get_remote_endpoint
+ fwnode_graph_get_remote_port_parent
+ fwnode_graph_parse_endpoint
+ fwnode_handle_get
+ fwnode_handle_put
+ fwnode_property_get_reference_args
+ fwnode_property_present
+ fwnode_property_read_string
+ fwnode_property_read_u32_array
+ fwnode_property_read_u64_array
+ gcd
+ generic_device_group
+ generic_file_llseek
+ generic_handle_irq
+ generic_iommu_put_resv_regions
+ generic_mii_ioctl
+ genlmsg_multicast_allns
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ genphy_resume
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_avail
+ gen_pool_best_fit
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_first_fit_order_align
+ gen_pool_free_owner
+ gen_pool_has_addr
+ gen_pool_set_algo
+ gen_pool_size
+ gen_pool_virt_to_phys
+ getboottime64
+ get_cpu_device
+ get_cpu_idle_time
+ get_cpu_idle_time_us
+ get_cpu_iowait_time_us
+ get_device
+ get_each_dmabuf
+ get_each_object_track
+ get_freelist_nr_pages
+ __get_free_pages
+ get_governor_parent_kobj
+ get_kernel_pages
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ get_option
+ get_page_owner_handle
+ get_pfnblock_flags_mask
+ get_pid_task
+ get_random_bytes
+ get_random_u32
+ get_random_u64
+ get_sg_io_hdr
+ get_slabinfo
+ __get_task_comm
+ get_task_exe_file
+ get_task_mm
+ get_task_pid
+ get_unmapped_area
+ get_unused_fd_flags
+ get_user_pages
+ get_user_pages_remote
+ get_vaddr_frames
+ get_wchan
+ get_zeroed_page
+ gic_nonsecure_priorities
+ gov_attr_set_get
+ gov_attr_set_init
+ gov_attr_set_put
+ governor_sysfs_ops
+ gpiochip_add_data_with_key
+ gpiochip_add_pin_range
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_line_is_valid
+ gpiochip_lock_as_irq
+ gpiochip_remove
+ gpiochip_unlock_as_irq
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_optional
+ gpiod_get_raw_value
+ gpiod_get_value
+ gpiod_get_value_cansleep
+ gpiod_set_debounce
+ gpiod_set_raw_value
+ gpiod_set_raw_value_cansleep
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_free
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ handle_bad_irq
+ handle_edge_irq
+ handle_fasteoi_ack_irq
+ handle_fasteoi_irq
+ handle_level_irq
+ handle_nested_irq
+ handle_simple_irq
+ handle_sysrq
+ hashlen_string
+ have_governor_per_policy
+ hex_asc
+ hex_dump_to_buffer
+ hrtimer_active
+ hrtimer_cancel
+ hrtimer_forward
+ __hrtimer_get_remaining
+ hrtimer_init
+ hrtimer_start_range_ns
+ hrtimer_try_to_cancel
+ hvc_alloc
+ hvc_kick
+ hvc_poll
+ hvc_remove
+ __hw_addr_init
+ __hw_addr_sync
+ __hw_addr_unsync
+ hwrng_register
+ hwrng_unregister
+ hwspin_lock_free
+ hwspin_lock_request_specific
+ __hwspin_lock_timeout
+ __hwspin_unlock
+ hypervisor_kobj
+ i2c_add_adapter
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_get_adapter
+ i2c_get_dma_safe_msg_buf
+ i2c_put_dma_safe_msg_buf
+ i2c_register_driver
+ i2c_smbus_read_byte_data
+ i2c_smbus_read_i2c_block_data
+ i2c_smbus_read_word_data
+ i2c_smbus_write_byte_data
+ i2c_smbus_write_i2c_block_data
+ i2c_smbus_write_word_data
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ i2c_unregister_device
+ icc_get
+ icc_link_create
+ icc_node_add
+ icc_node_create
+ icc_node_del
+ icc_node_destroy
+ icc_provider_add
+ icc_provider_del
+ icc_put
+ icc_set_bw
+ icc_set_tag
+ icc_sync_state
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ idr_alloc
+ idr_alloc_cyclic
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_preload
+ idr_remove
+ idr_replace
+ iio_alloc_pollfunc
+ iio_buffer_init
+ iio_buffer_put
+ iio_channel_get
+ iio_channel_get_all
+ iio_channel_release
+ iio_dealloc_pollfunc
+ iio_device_attach_buffer
+ __iio_device_register
+ iio_device_unregister
+ iio_get_channel_type
+ iio_get_time_ns
+ iio_push_to_buffers
+ iio_read_channel_attribute
+ iio_read_channel_processed
+ iio_read_channel_raw
+ iio_trigger_notify_done
+ import_iovec
+ inc_node_page_state
+ inc_zone_page_state
+ in_egroup_p
+ inet_csk_get_port
+ init_iova_domain
+ init_net
+ init_pseudo
+ __init_rwsem
+ init_srcu_struct
+ __init_swait_queue_head
+ init_task
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ __init_waitqueue_head
+ inode_owner_or_capable
+ inode_permission
+ input_alloc_absinfo
+ input_allocate_device
+ input_close_device
+ input_event
+ input_ff_create
+ input_ff_destroy
+ input_free_device
+ input_mt_init_slots
+ input_mt_report_pointer_emulation
+ input_mt_report_slot_state
+ input_open_device
+ input_register_device
+ input_register_handle
+ input_register_handler
+ input_set_abs_params
+ input_set_capability
+ input_unregister_device
+ input_unregister_handle
+ input_unregister_handler
+ interval_tree_insert
+ interval_tree_iter_first
+ interval_tree_iter_next
+ interval_tree_remove
+ int_sqrt
+ iommu_alloc_resv_region
+ iommu_attach_device
+ iommu_detach_device
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unregister
+ iommu_dma_get_resv_regions
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_domain_get_attr
+ iommu_domain_set_attr
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_get_domain_for_dev
+ iommu_get_msi_cookie
+ iommu_group_alloc
+ iommu_group_for_each_dev
+ iommu_group_get
+ iommu_group_get_iommudata
+ iommu_group_put
+ iommu_group_ref_get
+ iommu_group_set_iommudata
+ iommu_iova_to_phys
+ iommu_map
+ iommu_map_sg
+ iommu_present
+ iommu_put_dma_cookie
+ iommu_set_fault_handler
+ iommu_unmap
+ __ioread32_copy
+ __ioremap
+ ioremap_cache
+ iounmap
+ __iowrite32_copy
+ ip6_local_out
+ ip6_route_me_harder
+ ipi_desc_get
+ ip_local_out
+ ip_route_me_harder
+ iput
+ ipv6_find_hdr
+ ipv6_skip_exthdr
+ irq_chip_ack_parent
+ irq_chip_disable_parent
+ irq_chip_enable_parent
+ irq_chip_eoi_parent
+ irq_chip_get_parent_state
+ irq_chip_mask_parent
+ irq_chip_retrigger_hierarchy
+ irq_chip_set_affinity_parent
+ irq_chip_set_parent_state
+ irq_chip_set_type_parent
+ irq_chip_set_vcpu_affinity_parent
+ irq_chip_set_wake_parent
+ irq_chip_unmask_parent
+ irq_create_fwspec_mapping
+ irq_create_mapping_affinity
+ irq_create_of_mapping
+ irq_dispose_mapping
+ __irq_domain_add
+ irq_domain_alloc_irqs_parent
+ irq_domain_create_hierarchy
+ irq_domain_free_irqs_common
+ irq_domain_free_irqs_parent
+ irq_domain_get_irq_data
+ irq_domain_remove
+ irq_domain_set_hwirq_and_chip
+ irq_domain_set_info
+ irq_domain_simple_ops
+ irq_domain_update_bus_token
+ irq_domain_xlate_onetwocell
+ irq_domain_xlate_twocell
+ irq_do_set_affinity
+ irq_find_mapping
+ irq_find_matching_fwspec
+ irq_get_irqchip_state
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_affinity_notifier
+ irq_set_chained_handler_and_data
+ irq_set_chip
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irqchip_state
+ irq_set_irq_type
+ irq_set_irq_wake
+ irq_set_parent
+ irq_to_desc
+ irq_work_queue
+ irq_work_queue_on
+ irq_work_sync
+ is_dma_buf_file
+ isolate_and_split_free_page
+ isolate_anon_lru_page
+ is_vmalloc_addr
+ iterate_fd
+ jiffies
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_bind
+ kernel_connect
+ kernel_cpustat
+ kernel_getsockname
+ kernel_kobj
+ kernel_param_lock
+ kernel_param_unlock
+ kernel_power_off
+ kernel_recvmsg
+ kernel_restart
+ kernel_sendmsg
+ kernel_sigaction
+ kernfs_path_from_node
+ kern_mount
+ kern_unmount
+ key_create_or_update
+ key_put
+ keyring_alloc
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_out
+ __kfifo_to_user
+ kfree
+ kfree_const
+ kfree_sensitive
+ kfree_skb
+ kfree_skb_list
+ kill_anon_super
+ kill_fasync
+ kimage_vaddr
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_create_usercopy
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kmemdup_nul
+ kmsg_dump_get_line
+ kobject_add
+ kobject_create_and_add
+ kobject_del
+ kobject_get
+ kobject_init
+ kobject_init_and_add
+ kobject_put
+ kobject_set_name
+ kobject_uevent
+ kobject_uevent_env
+ kobj_sysfs_ops
+ krealloc
+ kset_create_and_add
+ ksize
+ ksoftirqd
+ kstat
+ kstat_irqs_cpu
+ kstat_irqs_usr
+ kstrdup
+ kstrdup_const
+ kstrndup
+ kstrtobool
+ kstrtobool_from_user
+ kstrtoint
+ kstrtoint_from_user
+ kstrtol_from_user
+ kstrtoll
+ kstrtou16
+ kstrtou16_from_user
+ kstrtou8
+ kstrtou8_from_user
+ kstrtouint
+ kstrtouint_from_user
+ kstrtoul_from_user
+ kstrtoull
+ kstrtoull_from_user
+ ksys_sync_helper
+ kthread_bind
+ kthread_bind_mask
+ kthread_cancel_delayed_work_sync
+ kthread_cancel_work_sync
+ kthread_create_on_node
+ kthread_create_worker
+ kthread_delayed_work_timer_fn
+ kthread_destroy_worker
+ kthread_flush_work
+ kthread_flush_worker
+ __kthread_init_worker
+ kthread_queue_delayed_work
+ kthread_queue_work
+ kthread_should_stop
+ kthread_stop
+ kthread_worker_fn
+ ktime_get
+ ktime_get_coarse_real_ts64
+ ktime_get_coarse_with_offset
+ ktime_get_mono_fast_ns
+ ktime_get_raw
+ ktime_get_raw_ts64
+ ktime_get_real_seconds
+ ktime_get_real_ts64
+ ktime_get_seconds
+ ktime_get_ts64
+ ktime_get_with_offset
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ led_classdev_flash_register_ext
+ led_classdev_flash_unregister
+ led_classdev_unregister
+ led_get_flash_fault
+ led_set_brightness_sync
+ led_set_flash_brightness
+ led_set_flash_timeout
+ led_sysfs_disable
+ led_sysfs_enable
+ led_trigger_remove
+ led_update_brightness
+ led_update_flash_brightness
+ __list_add_valid
+ __list_del_entry_valid
+ list_sort
+ llist_add_batch
+ llist_reverse_order
+ __local_bh_enable_ip
+ __lock_page
+ lock_sock_nested
+ log_buf_addr_get
+ log_buf_len_get
+ __log_post_read_mmio
+ __log_read_mmio
+ log_threaded_irq_wakeup_reason
+ __log_write_mmio
+ lookup_page_ext
+ lzo1x_1_compress
+ lzo1x_decompress_safe
+ lzorle1x_1_compress
+ match_hex
+ match_int
+ match_string
+ match_token
+ mbox_chan_received_data
+ mbox_chan_txdone
+ mbox_client_txdone
+ mbox_controller_register
+ mbox_controller_unregister
+ mbox_free_channel
+ mbox_request_channel
+ mbox_send_message
+ mdiobus_alloc_size
+ mdiobus_free
+ __mdiobus_register
+ mdiobus_unregister
+ media_create_intf_link
+ media_create_pad_link
+ media_device_cleanup
+ media_device_init
+ __media_device_register
+ media_device_unregister
+ media_devnode_create
+ media_devnode_remove
+ media_entity_pads_init
+ media_entity_remote_pad
+ media_entity_remove_links
+ __media_entity_setup_link
+ media_graph_walk_next
+ media_graph_walk_start
+ media_pipeline_start
+ media_pipeline_stop
+ media_request_get_by_fd
+ media_request_object_complete
+ media_request_put
+ memblock_end_of_DRAM
+ __memcat_p
+ memcg_kmem_enabled_key
+ mem_cgroup_from_id
+ memchr
+ memchr_inv
+ memcmp
+ memcpy
+ __memcpy_fromio
+ __memcpy_toio
+ memdup_user
+ memmove
+ memory_block_size_bytes
+ memory_cgrp_subsys
+ memory_cgrp_subsys_enabled_key
+ memory_read_from_buffer
+ memparse
+ mempool_alloc
+ mempool_alloc_slab
+ mempool_create
+ mempool_destroy
+ mempool_free
+ mempool_free_slab
+ memremap
+ memset
+ memset64
+ __memset_io
+ memstart_addr
+ memunmap
+ migrate_pages
+ migrate_swap
+ mii_check_media
+ mii_ethtool_get_link_ksettings
+ mii_ethtool_gset
+ mii_ethtool_set_link_ksettings
+ mii_link_ok
+ mii_nway_restart
+ mipi_dsi_attach
+ mipi_dsi_dcs_read
+ mipi_dsi_dcs_write
+ mipi_dsi_dcs_write_buffer
+ mipi_dsi_detach
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ mipi_dsi_generic_write
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ misc_deregister
+ misc_register
+ mktime64
+ mmc_add_host
+ mmc_alloc_host
+ mmc_can_gpio_cd
+ mmc_cqe_request_done
+ mmc_detect_change
+ mmc_free_host
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_hw_reset
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_remove_host
+ mmc_request_done
+ mmc_send_tuning
+ mmput
+ mod_delayed_work_on
+ mod_node_page_state
+ mod_timer
+ mod_timer_pending
+ __module_get
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ msleep_interruptible
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_lock_killable
+ mutex_trylock
+ mutex_unlock
+ napi_disable
+ napi_gro_flush
+ napi_gro_receive
+ __napi_schedule
+ napi_schedule_prep
+ nd_tbl
+ netdev_alloc_frag
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_set_default_ethtool_ops
+ netdev_warn
+ netif_carrier_off
+ netif_carrier_on
+ netif_napi_add
+ netif_receive_skb
+ netif_receive_skb_list
+ netif_rx
+ netif_rx_ni
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_broadcast
+ __netlink_kernel_create
+ netlink_kernel_release
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_namespace_list
+ net_ns_type_operations
+ net_ratelimit
+ nf_ct_attach
+ nf_ct_delete
+ nf_register_net_hooks
+ nf_unregister_net_hooks
+ nla_find
+ nla_memcpy
+ __nla_parse
+ nla_put
+ nla_put_64bit
+ nla_reserve
+ nla_reserve_64bit
+ __nla_validate
+ __nlmsg_put
+ no_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ nr_ipi_get
+ nr_irqs
+ nsecs_to_jiffies
+ nsec_to_clock_t
+ ns_to_timespec64
+ __num_online_cpus
+ nvmem_cell_get
+ nvmem_cell_put
+ nvmem_cell_read
+ nvmem_cell_read_u32
+ nvmem_cell_write
+ nvmem_device_get
+ nvmem_device_put
+ nvmem_device_read
+ nvmem_device_write
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_hw_provider
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_get
+ of_clk_get_by_name
+ of_clk_get_from_provider
+ of_clk_hw_simple_get
+ of_clk_src_onecell_get
+ of_clk_src_simple_get
+ of_count_phandle_with_args
+ of_cpufreq_cooling_register
+ of_cpu_node_to_id
+ of_css
+ of_devfreq_cooling_register
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_dma_configure_id
+ of_dma_controller_free
+ of_dma_controller_register
+ of_dma_is_coherent
+ of_dma_xlate_by_chan_id
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_find_backlight_by_node
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_i2c_device_by_node
+ of_find_matching_node_and_match
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_opts_by_path
+ of_find_node_with_property
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_device
+ of_genpd_add_provider_onecell
+ of_genpd_del_provider
+ of_get_address
+ of_get_child_by_name
+ of_get_cpu_node
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_next_parent
+ of_get_parent
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_next_endpoint
+ of_graph_get_port_parent
+ of_graph_get_remote_endpoint
+ of_graph_get_remote_node
+ of_graph_get_remote_port_parent
+ of_graph_is_present
+ of_graph_parse_endpoint
+ of_hwspin_lock_get_id
+ of_icc_get
+ of_icc_xlate_onecell
+ of_iomap
+ of_irq_find_parent
+ of_irq_get
+ of_irq_get_byname
+ of_irq_parse_one
+ of_irq_to_resource_table
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_n_addr_cells
+ of_node_name_eq
+ of_n_size_cells
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_phy_simple_xlate
+ of_platform_depopulate
+ of_platform_device_create
+ of_platform_device_destroy
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_u64
+ of_property_read_u64_index
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u64_array
+ of_property_read_variable_u8_array
+ of_prop_next_string
+ of_prop_next_u32
+ of_remove_property
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_device_release
+ of_reserved_mem_lookup
+ of_root
+ of_thermal_get_ntrips
+ of_thermal_get_trip_points
+ of_thermal_is_trip_valid
+ of_translate_address
+ on_each_cpu
+ on_each_cpu_cond
+ oops_in_progress
+ overflowuid
+ page_endio
+ page_mapping
+ __page_pinner_migration_failed
+ panic
+ panic_notifier_list
+ panic_timeout
+ param_array_ops
+ param_get_bool
+ param_get_charp
+ param_get_int
+ param_get_uint
+ param_get_ulong
+ param_ops_bool
+ param_ops_charp
+ param_ops_int
+ param_ops_string
+ param_ops_uint
+ param_set_bool
+ param_set_charp
+ param_set_uint
+ param_set_ulong
+ pause_cpus
+ pci_alloc_irq_vectors_affinity
+ pci_assign_resource
+ pci_bus_type
+ pci_clear_master
+ pci_device_group
+ pci_dev_present
+ pci_disable_device
+ pcie_capability_read_word
+ pci_enable_device
+ pci_find_ext_capability
+ pci_free_irq_vectors
+ pci_get_device
+ pci_host_probe
+ pci_iomap
+ pci_irq_vector
+ pci_load_and_free_saved_state
+ pci_load_saved_state
+ pci_msi_create_irq_domain
+ pci_msi_mask_irq
+ pci_msi_unmask_irq
+ pci_read_config_dword
+ pci_read_config_word
+ __pci_register_driver
+ pci_release_region
+ pci_request_region
+ pci_restore_state
+ pci_save_state
+ pci_set_master
+ pci_set_power_state
+ pci_store_saved_state
+ pci_unregister_driver
+ pci_walk_bus
+ pci_write_config_dword
+ pcpu_nr_pages
+ PDE_DATA
+ __per_cpu_offset
+ per_cpu_ptr_to_phys
+ perf_aux_output_begin
+ perf_aux_output_end
+ perf_aux_output_flag
+ perf_event_create_kernel_counter
+ perf_event_disable
+ perf_event_enable
+ perf_event_read_local
+ perf_event_read_value
+ perf_event_release_kernel
+ perf_event_update_userpage
+ perf_get_aux
+ perf_pmu_migrate_context
+ perf_pmu_register
+ perf_pmu_unregister
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_calibrate
+ phy_connect
+ phy_disconnect
+ phy_do_ioctl_running
+ phy_ethtool_get_link_ksettings
+ phy_ethtool_nway_reset
+ phy_ethtool_set_link_ksettings
+ phy_exit
+ phy_get
+ phy_init
+ phy_power_off
+ phy_power_on
+ phy_print_status
+ phy_put
+ phy_set_mode_ext
+ phy_start
+ phy_stop
+ pick_highest_pushable_task
+ pid_nr_ns
+ pid_task
+ pinconf_generic_dt_node_to_map
+ pinconf_generic_parse_dt_config
+ pinctrl_dev_get_drvdata
+ pinctrl_enable
+ pinctrl_force_default
+ pinctrl_force_sleep
+ pinctrl_gpio_direction_input
+ pinctrl_gpio_direction_output
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_put
+ pinctrl_select_state
+ pinctrl_utils_add_map_configs
+ pinctrl_utils_free_map
+ pinctrl_utils_reserve_map
+ pin_user_pages
+ pin_user_pages_fast
+ platform_bus_type
+ platform_device_add
+ platform_device_add_data
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_device_register
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_find_device_by_driver
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_irq_byname_optional
+ platform_get_irq_optional
+ platform_get_resource
+ platform_get_resource_byname
+ platform_irq_count
+ __platform_register_drivers
+ platform_unregister_drivers
+ pm_clk_add
+ pm_clk_create
+ pm_clk_destroy
+ pm_clk_resume
+ pm_clk_suspend
+ pm_genpd_add_device
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_genpd_remove
+ pm_genpd_remove_device
+ pm_genpd_remove_subdomain
+ pm_get_active_wakeup_sources
+ pm_power_off
+ __pm_relax
+ pm_relax
+ pm_runtime_allow
+ pm_runtime_barrier
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ pm_runtime_get_if_active
+ __pm_runtime_idle
+ pm_runtime_irq_safe
+ pm_runtime_no_callbacks
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ pm_stay_awake
+ pm_suspend_default_s2idle
+ pm_system_wakeup
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ pm_wq
+ power_supply_changed
+ power_supply_get_by_name
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_put
+ power_supply_register
+ power_supply_reg_notifier
+ power_supply_set_property
+ power_supply_unregister
+ power_supply_unreg_notifier
+ prandom_bytes
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ printk_deferred
+ proc_create
+ proc_create_data
+ proc_create_single_data
+ proc_dointvec
+ proc_dointvec_minmax
+ proc_dostring
+ proc_douintvec_minmax
+ proc_mkdir
+ proc_remove
+ proc_set_user
+ proc_symlink
+ proto_register
+ proto_unregister
+ pskb_expand_head
+ __pskb_pull_tail
+ ___pskb_trim
+ public_key_verify_signature
+ putback_movable_pages
+ put_device
+ put_disk
+ put_iova_domain
+ __put_net
+ __put_page
+ put_pid
+ put_sg_io_hdr
+ put_task_stack
+ __put_task_struct
+ put_unused_fd
+ put_vaddr_frames
+ pwm_apply_state
+ pwmchip_add
+ pwmchip_remove
+ qcom_smem_state_get
+ qcom_smem_state_register
+ qcom_smem_state_unregister
+ qcom_smem_state_update_bits
+ queue_delayed_work_on
+ queue_work_on
+ radix_tree_insert
+ radix_tree_iter_delete
+ radix_tree_lookup
+ radix_tree_next_chunk
+ ___ratelimit
+ rational_best_approximation
+ raw_notifier_call_chain
+ raw_notifier_chain_register
+ raw_notifier_chain_unregister
+ _raw_read_lock
+ _raw_read_lock_bh
+ _raw_read_lock_irq
+ _raw_read_lock_irqsave
+ _raw_read_trylock
+ _raw_read_unlock
+ _raw_read_unlock_bh
+ _raw_read_unlock_irq
+ _raw_read_unlock_irqrestore
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_trylock_bh
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ _raw_write_lock
+ _raw_write_lock_bh
+ _raw_write_lock_irq
+ _raw_write_lock_irqsave
+ _raw_write_unlock
+ _raw_write_unlock_bh
+ _raw_write_unlock_irq
+ _raw_write_unlock_irqrestore
+ rb_erase
+ rb_first
+ rb_insert_color
+ rb_last
+ rb_next
+ rb_prev
+ rcu_barrier
+ rcu_idle_enter
+ rcu_idle_exit
+ rcu_is_watching
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_dev
+ rdev_get_drvdata
+ rdev_get_id
+ rdev_get_regmap
+ reboot_mode
+ refcount_dec_and_lock
+ refcount_dec_not_one
+ refcount_warn_saturate
+ __refrigerator
+ regcache_cache_only
+ regcache_mark_dirty
+ regcache_sync
+ register_blkdev
+ __register_chrdev
+ register_chrdev_region
+ register_console
+ register_die_notifier
+ register_ftrace_export
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_kprobe
+ register_kretprobe
+ register_memory_notifier
+ register_module_notifier
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_net_sysctl
+ register_oom_notifier
+ register_pernet_device
+ register_pernet_subsys
+ register_pm_notifier
+ register_reboot_notifier
+ register_restart_handler
+ __register_rpmsg_driver
+ register_shrinker
+ register_syscore_ops
+ register_sysctl_table
+ register_virtio_device
+ register_virtio_driver
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_check_range_table
+ regmap_field_read
+ regmap_field_update_bits_base
+ __regmap_init
+ regmap_irq_get_domain
+ regmap_mmio_detach_clk
+ regmap_raw_read
+ regmap_raw_write
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_allow_bypass
+ regulator_bulk_disable
+ regulator_count_voltages
+ regulator_disable
+ regulator_disable_regmap
+ regulator_enable
+ regulator_enable_regmap
+ regulator_force_disable
+ regulator_get
+ regulator_get_current_limit_regmap
+ regulator_get_drvdata
+ regulator_get_mode
+ regulator_get_optional
+ regulator_get_voltage
+ regulator_get_voltage_rdev
+ regulator_get_voltage_sel_regmap
+ regulator_is_enabled
+ regulator_is_enabled_regmap
+ regulator_is_supported_voltage
+ regulator_list_voltage
+ regulator_list_voltage_linear
+ regulator_list_voltage_linear_range
+ regulator_list_voltage_table
+ regulator_map_voltage_iterate
+ regulator_map_voltage_linear
+ regulator_map_voltage_linear_range
+ regulator_notifier_call_chain
+ regulator_put
+ regulator_register_notifier
+ regulator_set_active_discharge_regmap
+ regulator_set_current_limit
+ regulator_set_current_limit_regmap
+ regulator_set_load
+ regulator_set_mode
+ regulator_set_voltage
+ regulator_set_voltage_sel_regmap
+ regulator_set_voltage_time
+ regulator_set_voltage_time_sel
+ regulator_sync_voltage
+ regulator_unregister_notifier
+ release_firmware
+ release_pages
+ release_sock
+ remap_pfn_range
+ remap_vmalloc_range
+ remove_cpu
+ remove_memory_subsection
+ remove_proc_entry
+ remove_proc_subtree
+ remove_wait_queue
+ report_iommu_fault
+ request_any_context_irq
+ request_firmware
+ request_firmware_into_buf
+ request_firmware_nowait
+ __request_module
+ __request_percpu_irq
+ request_threaded_irq
+ resched_curr
+ reset_control_assert
+ reset_control_deassert
+ reset_controller_register
+ reset_control_reset
+ resume_cpus
+ revalidate_disk_size
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_init_sw_state
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ rhashtable_free_and_destroy
+ rhashtable_insert_slow
+ rhltable_init
+ __rht_bucket_nested
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ rndis_deregister
+ rndis_free_response
+ rndis_get_next_response
+ rndis_msg_parser
+ rndis_register
+ rndis_set_host_mac
+ rndis_set_param_dev
+ rndis_set_param_medium
+ rndis_set_param_vendor
+ rndis_signal_connect
+ rndis_uninit
+ root_task_group
+ round_jiffies
+ round_jiffies_relative
+ round_jiffies_up
+ rpmsg_create_ept
+ rpmsg_destroy_ept
+ rpmsg_find_device
+ rpmsg_get_signals
+ rpmsg_poll
+ rpmsg_register_device
+ rpmsg_send
+ rpmsg_set_signals
+ rpmsg_trysend
+ rpmsg_unregister_device
+ rproc_add
+ rproc_add_subdev
+ rproc_alloc
+ rproc_boot
+ rproc_coredump_add_custom_segment
+ rproc_coredump_add_segment
+ rproc_coredump_set_elf_info
+ rproc_coredump_using_sections
+ rproc_del
+ rproc_free
+ rproc_get_by_child
+ rproc_get_by_phandle
+ rproc_put
+ rproc_remove_subdev
+ rproc_report_crash
+ rproc_shutdown
+ rps_needed
+ rtc_class_close
+ rtc_class_open
+ rtc_ktime_to_tm
+ rtc_nvmem_register
+ rtc_read_alarm
+ rtc_read_time
+ __rtc_register_device
+ rtc_set_alarm
+ rtc_time64_to_tm
+ rtc_tm_to_ktime
+ rtc_tm_to_time64
+ rtc_update_irq
+ rtc_valid_tm
+ rtnl_is_locked
+ rtnl_lock
+ rtnl_unlock
+ runqueues
+ __sbitmap_queue_get
+ sched_clock
+ sched_feat_keys
+ sched_feat_names
+ sched_setattr_nocheck
+ sched_set_fifo
+ sched_set_normal
+ sched_setscheduler
+ sched_setscheduler_nocheck
+ sched_show_task
+ sched_trace_rd_span
+ sched_uclamp_used
+ schedule
+ schedule_timeout
+ schedule_timeout_interruptible
+ schedutil_cpu_util
+ scmi_driver_register
+ scmi_driver_unregister
+ scmi_protocol_register
+ scnprintf
+ scsi_autopm_get_device
+ scsi_autopm_put_device
+ scsi_block_requests
+ scsi_block_when_processing_errors
+ scsi_command_size_tbl
+ scsi_compat_ioctl
+ scsi_device_get
+ scsi_device_put
+ scsi_device_quiesce
+ __scsi_execute
+ scsi_ioctl
+ scsi_ioctl_block_when_processing_errors
+ __scsi_iterate_devices
+ scsi_normalize_sense
+ __scsi_print_sense
+ scsi_print_sense_hdr
+ scsi_register_interface
+ scsi_remove_device
+ scsi_unblock_requests
+ sdev_prefix_printk
+ __sdhci_add_host
+ sdhci_add_host
+ sdhci_cleanup_host
+ sdhci_cqe_disable
+ sdhci_cqe_enable
+ sdhci_cqe_irq
+ sdhci_enable_clk
+ sdhci_get_property
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_remove_host
+ sdhci_request
+ sdhci_reset
+ sdhci_set_bus_width
+ sdhci_set_power_noreg
+ sdhci_setup_host
+ sdio_signal_irq
+ sdio_writeb_readb
+ send_sig
+ send_sig_info
+ seq_buf_printf
+ seq_hex_dump
+ seq_lseek
+ seq_open
+ __seq_open_private
+ seq_open_private
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ seq_release_private
+ seq_write
+ serial8250_do_set_termios
+ serial8250_do_shutdown
+ serial8250_do_startup
+ serial8250_get_port
+ serial8250_register_8250_port
+ serial8250_resume_port
+ serial8250_rpm_get
+ serial8250_rpm_put
+ serial8250_suspend_port
+ serial8250_unregister_port
+ set_cpus_allowed_ptr
+ set_normalized_timespec64
+ set_page_dirty_lock
+ __SetPageMovable
+ set_task_cpu
+ set_user_nice
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ sg_next
+ __sg_page_iter_dma_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ sg_scsi_ioctl
+ show_regs
+ sigprocmask
+ si_mem_available
+ si_meminfo
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_open
+ simple_read_from_buffer
+ simple_strtol
+ simple_strtoul
+ simple_write_to_buffer
+ single_open
+ single_release
+ si_swapinfo
+ sk_alloc
+ skb_add_rx_frag
+ __skb_checksum_complete
+ skb_checksum_help
+ skb_clone
+ skb_clone_sk
+ skb_complete_wifi_ack
+ skb_copy
+ skb_copy_bits
+ skb_copy_datagram_iter
+ skb_copy_expand
+ skb_dequeue
+ skb_dump
+ skb_ensure_writable
+ skb_free_datagram
+ __skb_get_hash
+ __skb_gso_segment
+ __skb_pad
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_recv_datagram
+ skb_set_owner_w
+ skb_store_bits
+ skb_trim
+ sk_free
+ skip_spaces
+ smp_call_function
+ smp_call_function_single
+ smp_call_on_cpu
+ snd_card_add_dev_attr
+ snd_ctl_boolean_mono_info
+ snd_jack_set_key
+ snd_pcm_format_physical_width
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_constraint_list
+ snd_pcm_hw_constraint_mask64
+ snd_pcm_hw_constraint_minmax
+ snd_pcm_hw_constraint_step
+ snd_pcm_lib_free_pages
+ snd_pcm_lib_malloc_pages
+ snd_pcm_lib_preallocate_free_for_all
+ snd_pcm_lib_preallocate_pages_for_all
+ snd_pcm_period_elapsed
+ snd_pcm_set_ops
+ snd_soc_add_component_controls
+ snd_soc_bytes_info_ext
+ snd_soc_bytes_tlv_callback
+ snd_soc_card_jack_new
+ snd_soc_component_exit_regmap
+ snd_soc_component_init_regmap
+ snd_soc_dai_set_sysclk
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_pin_switch
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_info_pin_switch
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_new_widgets
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_pin_switch
+ snd_soc_dapm_put_volsw
+ snd_soc_find_dai
+ snd_soc_get_volsw
+ snd_soc_info_enum_double
+ snd_soc_info_volsw
+ snd_soc_jack_report
+ snd_soc_new_compress
+ snd_soc_of_get_dai_link_codecs
+ snd_soc_poweroff
+ snd_soc_put_volsw
+ snd_soc_register_component
+ snd_soc_resume
+ snd_soc_rtdcom_lookup
+ snd_soc_set_runtime_hwparams
+ snd_soc_unregister_component
+ snd_usb_enable_audio_stream
+ snprintf
+ soc_device_register
+ soc_device_unregister
+ sock_alloc_send_skb
+ __sock_create
+ sock_create_kern
+ sock_gettstamp
+ sock_init_data
+ sock_no_accept
+ sock_no_listen
+ sock_no_mmap
+ sock_no_sendpage
+ sock_no_shutdown
+ sock_no_socketpair
+ sock_queue_rcv_skb
+ sock_register
+ sock_release
+ sock_setsockopt
+ sock_unregister
+ sort
+ __spi_alloc_controller
+ spi_bus_type
+ spi_finalize_current_transfer
+ spi_register_controller
+ __spi_register_driver
+ spi_setup
+ spi_sync
+ spi_unregister_controller
+ spmi_controller_add
+ spmi_controller_alloc
+ spmi_controller_remove
+ __spmi_driver_register
+ spmi_ext_register_read
+ spmi_ext_register_readl
+ spmi_ext_register_write
+ spmi_ext_register_writel
+ spmi_register_read
+ spmi_register_write
+ spmi_register_zero_write
+ sprintf
+ sprint_symbol
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+ __srcu_read_lock
+ __srcu_read_unlock
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ stack_depot_fetch
+ stack_trace_save
+ static_key_disable
+ static_key_slow_dec
+ static_key_slow_inc
+ stop_machine
+ stop_one_cpu_nowait
+ stpcpy
+ strcasecmp
+ strcat
+ strchr
+ strcmp
+ strcpy
+ strcspn
+ strim
+ strlcat
+ strlcpy
+ strlen
+ strncasecmp
+ strncat
+ strnchr
+ strncmp
+ strncpy
+ strncpy_from_user
+ strnlen
+ strnstr
+ strpbrk
+ strrchr
+ strreplace
+ strscpy
+ strsep
+ strstr
+ suspend_set_ops
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ synchronize_srcu
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_compatible
+ syscon_regmap_lookup_by_phandle
+ sysctl_sched_features
+ sysctl_sched_latency
+ sysctl_vals
+ sysfs_add_file_to_group
+ sysfs_add_link_to_group
+ sysfs_create_bin_file
+ sysfs_create_file_ns
+ sysfs_create_files
+ sysfs_create_group
+ sysfs_create_link
+ sysfs_emit
+ __sysfs_match_string
+ sysfs_notify
+ sysfs_remove_bin_file
+ sysfs_remove_file_from_group
+ sysfs_remove_file_ns
+ sysfs_remove_files
+ sysfs_remove_group
+ sysfs_remove_link
+ sysfs_remove_link_from_group
+ sysfs_streq
+ sysrq_mask
+ system_freezable_power_efficient_wq
+ system_freezable_wq
+ system_freezing_cnt
+ system_highpri_wq
+ system_power_efficient_wq
+ system_state
+ system_unbound_wq
+ system_wq
+ sys_tz
+ task_active_pid_ns
+ __tasklet_hi_schedule
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ tasklet_setup
+ tasklist_lock
+ task_may_not_preempt
+ __task_pid_nr_ns
+ __task_rq_lock
+ task_rq_lock
+ tcp_parse_options
+ thermal_cooling_device_register
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+ thermal_pressure
+ thermal_zone_device_enable
+ thermal_zone_device_register
+ thermal_zone_device_unregister
+ thermal_zone_device_update
+ thermal_zone_get_slope
+ thermal_zone_get_temp
+ thermal_zone_get_zone_by_name
+ thermal_zone_of_sensor_register
+ thermal_zone_of_sensor_unregister
+ tick_nohz_get_idle_calls_cpu
+ tick_nohz_get_sleep_length
+ time64_to_tm
+ timecounter_init
+ timecounter_read
+ timer_unstable_counter_workaround
+ timespec64_to_jiffies
+ topology_set_thermal_pressure
+ topology_update_done
+ _totalram_pages
+ total_swapcache_pages
+ trace_array_get_by_name
+ trace_array_put
+ trace_array_set_clr_event
+ __trace_bprintk
+ __trace_bputs
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_android_rvh_account_irq
+ __traceiter_android_rvh_after_enqueue_task
+ __traceiter_android_rvh_build_perf_domains
+ __traceiter_android_rvh_can_migrate_task
+ __traceiter_android_rvh_check_preempt_wakeup
+ __traceiter_android_rvh_cpu_cgroup_attach
+ __traceiter_android_rvh_cpu_cgroup_online
+ __traceiter_android_rvh_cpu_overutilized
+ __traceiter_android_rvh_dequeue_task
+ __traceiter_android_rvh_dequeue_task_fair
+ __traceiter_android_rvh_enqueue_task
+ __traceiter_android_rvh_enqueue_task_fair
+ __traceiter_android_rvh_find_busiest_group
+ __traceiter_android_rvh_find_busiest_queue
+ __traceiter_android_rvh_find_energy_efficient_cpu
+ __traceiter_android_rvh_find_lowest_rq
+ __traceiter_android_rvh_finish_prio_fork
+ __traceiter_android_rvh_flush_task
+ __traceiter_android_rvh_force_compatible_post
+ __traceiter_android_rvh_force_compatible_pre
+ __traceiter_android_rvh_gic_v3_set_affinity
+ __traceiter_android_rvh_media_device_setup_link
+ __traceiter_android_rvh_migrate_queued_task
+ __traceiter_android_rvh_new_task_stats
+ __traceiter_android_rvh_pick_next_entity
+ __traceiter_android_rvh_place_entity
+ __traceiter_android_rvh_prepare_prio_fork
+ __traceiter_android_rvh_replace_next_task_fair
+ __traceiter_android_rvh_resume_cpus
+ __traceiter_android_rvh_rtmutex_prepare_setprio
+ __traceiter_android_rvh_sched_cpu_dying
+ __traceiter_android_rvh_sched_cpu_starting
+ __traceiter_android_rvh_sched_exec
+ __traceiter_android_rvh_sched_fork
+ __traceiter_android_rvh_sched_fork_init
+ __traceiter_android_rvh_sched_newidle_balance
+ __traceiter_android_rvh_sched_nohz_balancer_kick
+ __traceiter_android_rvh_sched_setaffinity
+ __traceiter_android_rvh_schedule
+ __traceiter_android_rvh_select_task_rq_fair
+ __traceiter_android_rvh_select_task_rq_rt
+ __traceiter_android_rvh_set_gfp_zone_flags
+ __traceiter_android_rvh_set_readahead_gfp_mask
+ __traceiter_android_rvh_setscheduler
+ __traceiter_android_rvh_set_skip_swapcache_flags
+ __traceiter_android_rvh_set_task_cpu
+ __traceiter_android_rvh_set_user_nice
+ __traceiter_android_rvh_show_max_freq
+ __traceiter_android_rvh_tick_entry
+ __traceiter_android_rvh_try_to_wake_up
+ __traceiter_android_rvh_try_to_wake_up_success
+ __traceiter_android_rvh_ttwu_cond
+ __traceiter_android_rvh_uclamp_eff_get
+ __traceiter_android_rvh_update_cpu_capacity
+ __traceiter_android_rvh_update_cpus_allowed
+ __traceiter_android_rvh_update_misfit_status
+ __traceiter_android_rvh_v4l2subdev_set_fmt
+ __traceiter_android_rvh_v4l2subdev_set_frame_interval
+ __traceiter_android_rvh_v4l2subdev_set_selection
+ __traceiter_android_rvh_wake_up_new_task
+ __traceiter_android_vh_account_task_time
+ __traceiter_android_vh_allow_domain_state
+ __traceiter_android_vh_alter_futex_plist_add
+ __traceiter_android_vh_alter_mutex_list_add
+ __traceiter_android_vh_alter_rwsem_list_add
+ __traceiter_android_vh_arch_set_freq_scale
+ __traceiter_android_vh_binder_alloc_new_buf_locked
+ __traceiter_android_vh_binder_new_ref
+ __traceiter_android_vh_binder_del_ref
+ __traceiter_android_vh_binder_proc_transaction
+ __traceiter_android_vh_binder_preset
+ __traceiter_android_vh_binder_priority_skip
+ __traceiter_android_vh_binder_reply
+ __traceiter_android_vh_binder_restore_priority
+ __traceiter_android_vh_binder_set_priority
+ __traceiter_android_vh_binder_trans
+ __traceiter_android_vh_binder_transaction_init
+ __traceiter_android_vh_binder_wait_for_work
+ __traceiter_android_vh_binder_wakeup_ilocked
+ __traceiter_android_vh_build_sched_domains
+ __traceiter_android_vh_cgroup_set_task
+ __traceiter_android_vh_check_bpf_syscall
+ __traceiter_android_vh_check_file_open
+ __traceiter_android_vh_check_mmap_file
+ __traceiter_android_vh_check_uninterruptible_tasks
+ __traceiter_android_vh_check_uninterruptible_tasks_dn
+ __traceiter_android_vh_clear_mask_adjust
+ __traceiter_android_vh_clear_reserved_fmt_fields
+ __traceiter_android_vh_commit_creds
+ __traceiter_android_vh_cpufreq_acct_update_power
+ __traceiter_android_vh_cpufreq_fast_switch
+ __traceiter_android_vh_cpufreq_resolve_freq
+ __traceiter_android_vh_cpufreq_target
+ __traceiter_android_vh_cpu_idle_enter
+ __traceiter_android_vh_cpu_idle_exit
+ __traceiter_android_vh_cpu_up
+ __traceiter_android_vh_do_send_sig_info
+ __traceiter_android_vh_em_cpu_energy
+ __traceiter_android_vh_exclude_reserved_zone
+ __traceiter_android_vh_exit_creds
+ __traceiter_android_vh_exit_mm
+ __traceiter_android_vh_fill_ext_fmtdesc
+ __traceiter_android_vh_finish_update_load_avg_se
+ __traceiter_android_vh_ftrace_dump_buffer
+ __traceiter_android_vh_ftrace_format_check
+ __traceiter_android_vh_ftrace_oops_enter
+ __traceiter_android_vh_ftrace_oops_exit
+ __traceiter_android_vh_ftrace_size_check
+ __traceiter_android_vh_get_from_fragment_pool
+ __traceiter_android_vh_gpio_block_read
+ __traceiter_android_vh_include_reserved_zone
+ __traceiter_android_vh_iommu_alloc_iova
+ __traceiter_android_vh_iommu_free_iova
+ __traceiter_android_vh_iommu_setup_dma_ops
+ __traceiter_android_vh_ipi_stop
+ __traceiter_android_vh_ipv6_gen_linklocal_addr
+ __traceiter_android_vh_jiffies_update
+ __traceiter_android_vh_kmalloc_slab
+ __traceiter_android_vh_logbuf
+ __traceiter_android_vh_mem_cgroup_alloc
+ __traceiter_android_vh_mem_cgroup_css_offline
+ __traceiter_android_vh_mem_cgroup_css_online
+ __traceiter_android_vh_mem_cgroup_free
+ __traceiter_android_vh_mem_cgroup_id_remove
+ __traceiter_android_vh_meminfo_proc_show
+ __traceiter_android_vh_mutex_unlock_slowpath
+ __traceiter_android_vh_mutex_wait_finish
+ __traceiter_android_vh_mutex_wait_start
+ __traceiter_android_vh_override_creds
+ __traceiter_android_vh_prepare_update_load_avg_se
+ __traceiter_android_vh_printk_hotplug
+ __traceiter_android_vh_process_killed
+ __traceiter_android_vh_revert_creds
+ __traceiter_android_vh_rmqueue
+ __traceiter_android_vh_rwsem_init
+ __traceiter_android_vh_rwsem_wake
+ __traceiter_android_vh_rwsem_wake_finish
+ __traceiter_android_vh_rwsem_write_finished
+ __traceiter_android_vh_save_track_hash
+ __traceiter_android_vh_save_vmalloc_stack
+ __traceiter_android_vh_sched_stat_runtime_rt
+ __traceiter_android_vh_scheduler_tick
+ __traceiter_android_vh_selinux_avc_insert
+ __traceiter_android_vh_selinux_avc_lookup
+ __traceiter_android_vh_selinux_avc_node_delete
+ __traceiter_android_vh_selinux_avc_node_replace
+ __traceiter_android_vh_selinux_is_initialized
+ __traceiter_android_vh_set_memory_nx
+ __traceiter_android_vh_set_memory_ro
+ __traceiter_android_vh_set_memory_rw
+ __traceiter_android_vh_set_memory_x
+ __traceiter_android_vh_set_module_permit_after_init
+ __traceiter_android_vh_set_module_permit_before_init
+ __traceiter_android_vh_setscheduler_uclamp
+ __traceiter_android_vh_set_wake_flags
+ __traceiter_android_vh_show_max_freq
+ __traceiter_android_vh_show_resume_epoch_val
+ __traceiter_android_vh_show_stack_hash
+ __traceiter_android_vh_show_suspend_epoch_val
+ __traceiter_android_vh_sync_txn_recvd
+ __traceiter_android_vh_syscall_prctl_finished
+ __traceiter_android_vh_timer_calc_index
+ __traceiter_android_vh_tune_inactive_ratio
+ __traceiter_android_vh_tune_scan_type
+ __traceiter_android_vh_tune_swappiness
+ __traceiter_android_vh_ufs_compl_command
+ __traceiter_android_vh_ufs_send_command
+ __traceiter_android_vh_ufs_send_tm_command
+ __traceiter_android_vh_update_topology_flags_workfn
+ __traceiter_binder_transaction_received
+ __traceiter_cpu_frequency
+ __traceiter_cpu_frequency_limits
+ __traceiter_dma_fence_emit
+ __traceiter_gpu_mem_total
+ __traceiter_ipi_entry
+ __traceiter_ipi_raise
+ __traceiter_irq_handler_entry
+ __traceiter_pelt_se_tp
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __traceiter_sched_overutilized_tp
+ __traceiter_sched_stat_blocked
+ __traceiter_sched_stat_iowait
+ __traceiter_sched_stat_runtime
+ __traceiter_sched_stat_sleep
+ __traceiter_sched_stat_wait
+ __traceiter_sched_switch
+ __traceiter_sched_update_nr_running_tp
+ __traceiter_sched_waking
+ __traceiter_suspend_resume
+ __traceiter_task_newtask
+ __traceiter_task_rename
+ __traceiter_xhci_urb_giveback
+ __tracepoint_android_rvh_account_irq
+ __tracepoint_android_rvh_after_enqueue_task
+ __tracepoint_android_rvh_build_perf_domains
+ __tracepoint_android_rvh_can_migrate_task
+ __tracepoint_android_rvh_check_preempt_wakeup
+ __tracepoint_android_rvh_cpu_cgroup_attach
+ __tracepoint_android_rvh_cpu_cgroup_online
+ __tracepoint_android_rvh_cpu_overutilized
+ __tracepoint_android_rvh_dequeue_task
+ __tracepoint_android_rvh_dequeue_task_fair
+ __tracepoint_android_rvh_enqueue_task
+ __tracepoint_android_rvh_enqueue_task_fair
+ __tracepoint_android_rvh_find_busiest_group
+ __tracepoint_android_rvh_find_busiest_queue
+ __tracepoint_android_rvh_find_energy_efficient_cpu
+ __tracepoint_android_rvh_find_lowest_rq
+ __tracepoint_android_rvh_finish_prio_fork
+ __tracepoint_android_rvh_flush_task
+ __tracepoint_android_rvh_force_compatible_post
+ __tracepoint_android_rvh_force_compatible_pre
+ __tracepoint_android_rvh_gic_v3_set_affinity
+ __tracepoint_android_rvh_media_device_setup_link
+ __tracepoint_android_rvh_migrate_queued_task
+ __tracepoint_android_rvh_new_task_stats
+ __tracepoint_android_rvh_pick_next_entity
+ __tracepoint_android_rvh_place_entity
+ __tracepoint_android_rvh_prepare_prio_fork
+ __tracepoint_android_rvh_replace_next_task_fair
+ __tracepoint_android_rvh_resume_cpus
+ __tracepoint_android_rvh_rtmutex_prepare_setprio
+ __tracepoint_android_rvh_sched_cpu_dying
+ __tracepoint_android_rvh_sched_cpu_starting
+ __tracepoint_android_rvh_sched_exec
+ __tracepoint_android_rvh_sched_fork
+ __tracepoint_android_rvh_sched_fork_init
+ __tracepoint_android_rvh_sched_newidle_balance
+ __tracepoint_android_rvh_sched_nohz_balancer_kick
+ __tracepoint_android_rvh_sched_setaffinity
+ __tracepoint_android_rvh_schedule
+ __tracepoint_android_rvh_select_task_rq_fair
+ __tracepoint_android_rvh_select_task_rq_rt
+ __tracepoint_android_rvh_set_gfp_zone_flags
+ __tracepoint_android_rvh_set_readahead_gfp_mask
+ __tracepoint_android_rvh_setscheduler
+ __tracepoint_android_rvh_set_skip_swapcache_flags
+ __tracepoint_android_rvh_set_task_cpu
+ __tracepoint_android_rvh_set_user_nice
+ __tracepoint_android_rvh_show_max_freq
+ __tracepoint_android_rvh_tick_entry
+ __tracepoint_android_rvh_try_to_wake_up
+ __tracepoint_android_rvh_try_to_wake_up_success
+ __tracepoint_android_rvh_ttwu_cond
+ __tracepoint_android_rvh_uclamp_eff_get
+ __tracepoint_android_rvh_update_cpu_capacity
+ __tracepoint_android_rvh_update_cpus_allowed
+ __tracepoint_android_rvh_update_misfit_status
+ __tracepoint_android_rvh_v4l2subdev_set_fmt
+ __tracepoint_android_rvh_v4l2subdev_set_frame_interval
+ __tracepoint_android_rvh_v4l2subdev_set_selection
+ __tracepoint_android_rvh_wake_up_new_task
+ __tracepoint_android_vh_account_task_time
+ __tracepoint_android_vh_allow_domain_state
+ __tracepoint_android_vh_alter_futex_plist_add
+ __tracepoint_android_vh_alter_mutex_list_add
+ __tracepoint_android_vh_alter_rwsem_list_add
+ __tracepoint_android_vh_arch_set_freq_scale
+ __tracepoint_android_vh_binder_alloc_new_buf_locked
+ __tracepoint_android_vh_binder_new_ref
+ __tracepoint_android_vh_binder_del_ref
+ __tracepoint_android_vh_binder_proc_transaction
+ __tracepoint_android_vh_binder_preset
+ __tracepoint_android_vh_binder_priority_skip
+ __tracepoint_android_vh_binder_reply
+ __tracepoint_android_vh_binder_restore_priority
+ __tracepoint_android_vh_binder_set_priority
+ __tracepoint_android_vh_binder_trans
+ __tracepoint_android_vh_binder_transaction_init
+ __tracepoint_android_vh_binder_wait_for_work
+ __tracepoint_android_vh_binder_wakeup_ilocked
+ __tracepoint_android_vh_build_sched_domains
+ __tracepoint_android_vh_cgroup_set_task
+ __tracepoint_android_vh_check_bpf_syscall
+ __tracepoint_android_vh_check_file_open
+ __tracepoint_android_vh_check_mmap_file
+ __tracepoint_android_vh_check_uninterruptible_tasks
+ __tracepoint_android_vh_check_uninterruptible_tasks_dn
+ __tracepoint_android_vh_clear_mask_adjust
+ __tracepoint_android_vh_clear_reserved_fmt_fields
+ __tracepoint_android_vh_commit_creds
+ __tracepoint_android_vh_cpufreq_acct_update_power
+ __tracepoint_android_vh_cpufreq_fast_switch
+ __tracepoint_android_vh_cpufreq_resolve_freq
+ __tracepoint_android_vh_cpufreq_target
+ __tracepoint_android_vh_cpu_idle_enter
+ __tracepoint_android_vh_cpu_idle_exit
+ __tracepoint_android_vh_cpu_up
+ __tracepoint_android_vh_do_send_sig_info
+ __tracepoint_android_vh_em_cpu_energy
+ __tracepoint_android_vh_exclude_reserved_zone
+ __tracepoint_android_vh_exit_creds
+ __tracepoint_android_vh_exit_mm
+ __tracepoint_android_vh_fill_ext_fmtdesc
+ __tracepoint_android_vh_finish_update_load_avg_se
+ __tracepoint_android_vh_ftrace_dump_buffer
+ __tracepoint_android_vh_ftrace_format_check
+ __tracepoint_android_vh_ftrace_oops_enter
+ __tracepoint_android_vh_ftrace_oops_exit
+ __tracepoint_android_vh_ftrace_size_check
+ __tracepoint_android_vh_get_from_fragment_pool
+ __tracepoint_android_vh_gpio_block_read
+ __tracepoint_android_vh_include_reserved_zone
+ __tracepoint_android_vh_iommu_alloc_iova
+ __tracepoint_android_vh_iommu_free_iova
+ __tracepoint_android_vh_iommu_setup_dma_ops
+ __tracepoint_android_vh_ipi_stop
+ __tracepoint_android_vh_ipv6_gen_linklocal_addr
+ __tracepoint_android_vh_jiffies_update
+ __tracepoint_android_vh_kmalloc_slab
+ __tracepoint_android_vh_logbuf
+ __tracepoint_android_vh_mem_cgroup_alloc
+ __tracepoint_android_vh_mem_cgroup_css_offline
+ __tracepoint_android_vh_mem_cgroup_css_online
+ __tracepoint_android_vh_mem_cgroup_free
+ __tracepoint_android_vh_mem_cgroup_id_remove
+ __tracepoint_android_vh_meminfo_proc_show
+ __tracepoint_android_vh_mutex_unlock_slowpath
+ __tracepoint_android_vh_mutex_wait_finish
+ __tracepoint_android_vh_mutex_wait_start
+ __tracepoint_android_vh_override_creds
+ __tracepoint_android_vh_prepare_update_load_avg_se
+ __tracepoint_android_vh_printk_hotplug
+ __tracepoint_android_vh_process_killed
+ __tracepoint_android_vh_revert_creds
+ __tracepoint_android_vh_rmqueue
+ __tracepoint_android_vh_rwsem_init
+ __tracepoint_android_vh_rwsem_wake
+ __tracepoint_android_vh_rwsem_wake_finish
+ __tracepoint_android_vh_rwsem_write_finished
+ __tracepoint_android_vh_save_track_hash
+ __tracepoint_android_vh_save_vmalloc_stack
+ __tracepoint_android_vh_sched_stat_runtime_rt
+ __tracepoint_android_vh_scheduler_tick
+ __tracepoint_android_vh_selinux_avc_insert
+ __tracepoint_android_vh_selinux_avc_lookup
+ __tracepoint_android_vh_selinux_avc_node_delete
+ __tracepoint_android_vh_selinux_avc_node_replace
+ __tracepoint_android_vh_selinux_is_initialized
+ __tracepoint_android_vh_set_memory_nx
+ __tracepoint_android_vh_set_memory_ro
+ __tracepoint_android_vh_set_memory_rw
+ __tracepoint_android_vh_set_memory_x
+ __tracepoint_android_vh_set_module_permit_after_init
+ __tracepoint_android_vh_set_module_permit_before_init
+ __tracepoint_android_vh_setscheduler_uclamp
+ __tracepoint_android_vh_set_wake_flags
+ __tracepoint_android_vh_show_max_freq
+ __tracepoint_android_vh_show_resume_epoch_val
+ __tracepoint_android_vh_show_stack_hash
+ __tracepoint_android_vh_show_suspend_epoch_val
+ __tracepoint_android_vh_sync_txn_recvd
+ __tracepoint_android_vh_syscall_prctl_finished
+ __tracepoint_android_vh_timer_calc_index
+ __tracepoint_android_vh_tune_inactive_ratio
+ __tracepoint_android_vh_tune_scan_type
+ __tracepoint_android_vh_tune_swappiness
+ __tracepoint_android_vh_ufs_compl_command
+ __tracepoint_android_vh_ufs_send_command
+ __tracepoint_android_vh_ufs_send_tm_command
+ __tracepoint_android_vh_update_topology_flags_workfn
+ __tracepoint_binder_transaction_received
+ __tracepoint_cpu_frequency
+ __tracepoint_cpu_frequency_limits
+ __tracepoint_dma_fence_emit
+ __tracepoint_gpu_mem_total
+ __tracepoint_ipi_entry
+ __tracepoint_ipi_raise
+ __tracepoint_irq_handler_entry
+ __tracepoint_pelt_se_tp
+ tracepoint_probe_register
+ tracepoint_probe_register_prio
+ tracepoint_probe_unregister
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __tracepoint_sched_overutilized_tp
+ __tracepoint_sched_stat_blocked
+ __tracepoint_sched_stat_iowait
+ __tracepoint_sched_stat_runtime
+ __tracepoint_sched_stat_sleep
+ __tracepoint_sched_stat_wait
+ __tracepoint_sched_switch
+ __tracepoint_sched_update_nr_running_tp
+ __tracepoint_sched_waking
+ tracepoint_srcu
+ __tracepoint_suspend_resume
+ __tracepoint_task_newtask
+ __tracepoint_task_rename
+ __tracepoint_xhci_urb_giveback
+ trace_print_array_seq
+ trace_print_flags_seq
+ trace_print_hex_seq
+ trace_print_symbols_seq
+ __trace_puts
+ trace_raw_output_prep
+ trace_seq_printf
+ trace_seq_putc
+ tracing_off
+ try_module_get
+ try_to_free_mem_cgroup_pages
+ try_wait_for_completion
+ tty_flip_buffer_push
+ __tty_insert_flip_char
+ tty_insert_flip_string_fixed_flag
+ tty_termios_baud_rate
+ tty_termios_encode_baud_rate
+ typec_get_drvdata
+ typec_mux_get_drvdata
+ typec_mux_register
+ typec_mux_set
+ typec_mux_unregister
+ typec_partner_set_identity
+ typec_register_partner
+ typec_register_port
+ typec_set_data_role
+ typec_set_orientation
+ typec_set_pwr_opmode
+ typec_set_pwr_role
+ typec_set_vconn_role
+ typec_switch_get_drvdata
+ typec_switch_register
+ typec_switch_unregister
+ typec_unregister_partner
+ uart_add_one_port
+ uart_console_device
+ uart_console_write
+ uart_get_baud_rate
+ uart_get_divisor
+ uart_insert_char
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ uclamp_eff_value
+ ucsi_connector_change
+ ucsi_create
+ ucsi_destroy
+ ucsi_get_drvdata
+ ucsi_register
+ ucsi_set_drvdata
+ ucsi_unregister
+ __udelay
+ ufshcd_auto_hibern8_update
+ ufshcd_delay_us
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_dump_regs
+ ufshcd_fixup_dev_quirks
+ ufshcd_get_local_unipro_ver
+ ufshcd_get_pwr_dev_param
+ ufshcd_hba_enable
+ ufshcd_hba_stop
+ ufshcd_hold
+ ufshcd_link_recovery
+ ufshcd_make_hba_operational
+ ufshcd_pltfrm_init
+ ufshcd_pltfrm_resume
+ ufshcd_pltfrm_runtime_idle
+ ufshcd_pltfrm_runtime_resume
+ ufshcd_pltfrm_runtime_suspend
+ ufshcd_pltfrm_shutdown
+ ufshcd_pltfrm_suspend
+ ufshcd_query_attr
+ ufshcd_query_attr_retry
+ ufshcd_query_descriptor_retry
+ ufshcd_query_flag
+ ufshcd_read_desc_param
+ ufshcd_release
+ ufshcd_remove
+ ufshcd_shutdown
+ ufshcd_uic_hibern8_enter
+ ufshcd_uic_hibern8_exit
+ __uio_register_device
+ uio_unregister_device
+ unlock_page
+ unpin_user_page
+ unpin_user_pages
+ unregister_blkdev
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_console
+ unregister_die_notifier
+ unregister_ftrace_export
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_kprobe
+ unregister_kretprobe
+ unregister_memory_notifier
+ unregister_module_notifier
+ unregister_netdev
+ unregister_netdevice_many
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_net_sysctl_table
+ unregister_oom_notifier
+ unregister_pernet_device
+ unregister_pernet_subsys
+ unregister_pm_notifier
+ unregister_reboot_notifier
+ unregister_restart_handler
+ unregister_rpmsg_driver
+ unregister_shrinker
+ unregister_syscore_ops
+ unregister_sysctl_table
+ unregister_virtio_device
+ unregister_virtio_driver
+ up
+ update_devfreq
+ update_rq_clock
+ up_read
+ up_write
+ usb_add_config
+ usb_add_function
+ usb_add_gadget_udc
+ usb_add_hcd
+ usb_add_phy_dev
+ usb_alloc_coherent
+ usb_alloc_dev
+ usb_alloc_urb
+ usb_assign_descriptors
+ usb_composite_probe
+ usb_composite_setup_continue
+ usb_composite_unregister
+ usb_control_msg
+ usb_copy_descriptors
+ usb_create_hcd
+ usb_create_shared_hcd
+ usb_debug_root
+ usb_del_gadget_udc
+ usb_deregister
+ usb_disabled
+ usb_ep_alloc_request
+ usb_ep_autoconfig
+ usb_ep_dequeue
+ usb_ep_disable
+ usb_ep_enable
+ usb_ep_free_request
+ usb_ep_queue
+ usb_ep_set_halt
+ usb_ep_set_maxpacket_limit
+ usb_find_common_endpoints
+ usb_free_all_descriptors
+ usb_free_coherent
+ usb_free_urb
+ usb_function_register
+ usb_function_unregister
+ usb_gadget_connect
+ usb_gadget_disconnect
+ usb_gadget_giveback_request
+ usb_gadget_map_request
+ usb_gadget_probe_driver
+ usb_gadget_set_selfpowered
+ usb_gadget_set_state
+ usb_gadget_unmap_request
+ usb_gadget_wakeup
+ usb_get_dr_mode
+ usb_get_function
+ usb_get_function_instance
+ usb_get_maximum_speed
+ usb_hcd_is_primary_hcd
+ usb_hcd_poll_rh_status
+ usb_ifnum_to_if
+ usb_interface_id
+ usbnet_change_mtu
+ usbnet_disconnect
+ usbnet_get_drvinfo
+ usbnet_get_endpoints
+ usbnet_get_link
+ usbnet_get_link_ksettings
+ usbnet_get_msglevel
+ usbnet_get_stats64
+ usbnet_link_change
+ usbnet_nway_reset
+ usbnet_open
+ usbnet_probe
+ usbnet_read_cmd
+ usbnet_read_cmd_nopm
+ usbnet_resume
+ usbnet_set_link_ksettings
+ usbnet_set_msglevel
+ usbnet_skb_return
+ usbnet_start_xmit
+ usbnet_stop
+ usbnet_suspend
+ usbnet_tx_timeout
+ usbnet_unlink_rx_urbs
+ usbnet_update_max_qlen
+ usbnet_write_cmd
+ usbnet_write_cmd_async
+ usbnet_write_cmd_nopm
+ usb_phy_set_charger_current
+ usb_poison_urb
+ usb_put_dev
+ usb_put_function
+ usb_put_function_instance
+ usb_put_hcd
+ usb_register_driver
+ usb_register_notify
+ usb_remove_function
+ usb_remove_hcd
+ usb_remove_phy
+ usb_role_switch_find_by_fwnode
+ usb_role_switch_get
+ usb_role_switch_get_drvdata
+ usb_role_switch_register
+ usb_role_switch_set_role
+ usb_role_switch_unregister
+ usb_set_device_state
+ usb_speed_string
+ usb_string_id
+ usb_submit_urb
+ usb_unregister_notify
+ __usecs_to_jiffies
+ usleep_range
+ uuid_null
+ v4l2_async_notifier_add_fwnode_subdev
+ v4l2_async_notifier_add_subdev
+ v4l2_async_notifier_cleanup
+ v4l2_async_notifier_init
+ v4l2_async_notifier_register
+ v4l2_async_notifier_unregister
+ v4l2_async_register_subdev
+ v4l2_async_subdev_notifier_register
+ v4l2_async_unregister_subdev
+ v4l2_compat_ioctl32
+ v4l2_ctrl_find
+ v4l2_ctrl_g_ctrl
+ v4l2_ctrl_g_ctrl_int64
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_handler_setup
+ __v4l2_ctrl_modify_range
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu
+ v4l2_ctrl_new_std_menu_items
+ v4l2_ctrl_request_complete
+ v4l2_ctrl_request_setup
+ __v4l2_ctrl_s_ctrl
+ v4l2_ctrl_subdev_subscribe_event
+ v4l2_ctrl_subscribe_event
+ v4l2_device_register
+ v4l2_device_register_subdev
+ __v4l2_device_register_subdev_nodes
+ v4l2_device_unregister
+ v4l2_device_unregister_subdev
+ v4l2_event_queue
+ v4l2_event_queue_fh
+ v4l2_event_subdev_unsubscribe
+ v4l2_event_subscribe
+ v4l2_event_unsubscribe
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_fh_is_singular
+ v4l2_fh_open
+ __v4l2_find_nearest_size
+ v4l2_format_info
+ v4l2_i2c_subdev_init
+ v4l2_m2m_buf_copy_metadata
+ v4l2_m2m_buf_queue
+ v4l2_m2m_buf_remove
+ v4l2_m2m_ctx_init
+ v4l2_m2m_ctx_release
+ v4l2_m2m_dqbuf
+ v4l2_m2m_fop_mmap
+ v4l2_m2m_fop_poll
+ v4l2_m2m_get_curr_priv
+ v4l2_m2m_get_vq
+ v4l2_m2m_init
+ v4l2_m2m_ioctl_create_bufs
+ v4l2_m2m_ioctl_dqbuf
+ v4l2_m2m_ioctl_expbuf
+ v4l2_m2m_ioctl_prepare_buf
+ v4l2_m2m_ioctl_qbuf
+ v4l2_m2m_ioctl_querybuf
+ v4l2_m2m_ioctl_reqbufs
+ v4l2_m2m_ioctl_streamoff
+ v4l2_m2m_ioctl_streamon
+ v4l2_m2m_job_finish
+ v4l2_m2m_next_buf
+ v4l2_m2m_qbuf
+ v4l2_m2m_register_media_controller
+ v4l2_m2m_release
+ v4l2_m2m_request_queue
+ v4l2_m2m_resume
+ v4l2_m2m_streamoff
+ v4l2_m2m_suspend
+ v4l2_m2m_try_schedule
+ v4l2_m2m_unregister_media_controller
+ v4l2_pipeline_link_notify
+ v4l2_src_change_event_subscribe
+ v4l2_subdev_call_wrappers
+ v4l2_subdev_init
+ v4l2_subdev_link_validate
+ v4l2_subdev_link_validate_default
+ v4l_bound_align_image
+ vabits_actual
+ vb2_buffer_done
+ vb2_common_vm_ops
+ vb2_create_framevec
+ vb2_destroy_framevec
+ vb2_dma_contig_memops
+ vb2_fop_mmap
+ vb2_fop_poll
+ vb2_fop_release
+ vb2_ioctl_create_bufs
+ vb2_ioctl_dqbuf
+ vb2_ioctl_expbuf
+ vb2_ioctl_prepare_buf
+ vb2_ioctl_qbuf
+ vb2_ioctl_querybuf
+ vb2_ioctl_reqbufs
+ vb2_ioctl_streamoff
+ vb2_ioctl_streamon
+ vb2_ops_wait_finish
+ vb2_ops_wait_prepare
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_queue_init
+ vb2_queue_release
+ vb2_request_object_is_buffer
+ vb2_request_queue
+ vb2_request_validate
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+ verify_pkcs7_signature
+ vfree
+ vfs_fsync
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ virtqueue_add_inbuf
+ virtqueue_add_outbuf
+ virtqueue_detach_unused_buf
+ virtqueue_get_buf
+ virtqueue_get_vring_size
+ virtqueue_kick
+ virtqueue_kick_prepare
+ virtqueue_notify
+ vmalloc
+ vmalloc_nr_pages
+ vmalloc_to_page
+ vmalloc_to_pfn
+ vmalloc_user
+ vmap
+ vm_event_states
+ vmf_insert_pfn
+ vm_get_page_prot
+ vm_insert_page
+ vm_iomap_memory
+ vm_map_pages
+ vm_map_ram
+ vm_node_stat
+ vm_unmapped_area
+ vm_unmap_ram
+ vm_zone_stat
+ vring_del_virtqueue
+ vring_interrupt
+ vring_new_virtqueue
+ vscnprintf
+ vsnprintf
+ vsprintf
+ vunmap
+ vzalloc
+ wait_for_completion
+ wait_for_completion_interruptible
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_io_timeout
+ wait_for_completion_killable
+ wait_for_completion_killable_timeout
+ wait_for_completion_timeout
+ wait_woken
+ __wake_up
+ wake_up_if_idle
+ __wake_up_locked
+ wake_up_process
+ wakeup_source_add
+ wakeup_source_create
+ wakeup_source_destroy
+ wakeup_source_register
+ wakeup_source_remove
+ wakeup_source_unregister
+ __warn_printk
+ watchdog_init_timeout
+ watchdog_set_restart_priority
+ wireless_nlevent_flush
+ woken_wake_function
+ work_busy
+ work_on_cpu
+ ww_mutex_lock
+ ww_mutex_unlock
+ __xa_alloc
+ xa_destroy
+ xa_erase
+ xa_find
+ xa_find_after
+ xa_load
+ xa_store
+ xhci_add_endpoint
+ xhci_alloc_command
+ xhci_alloc_erst
+ xhci_check_bandwidth
+ xhci_drop_endpoint
+ xhci_free_command
+ xhci_gen_setup
+ xhci_get_endpoint_index
+ xhci_get_ep_ctx
+ xhci_init_driver
+ xhci_queue_stop_endpoint
+ xhci_reset_bandwidth
+ xhci_ring_alloc
+ xhci_ring_cmd_db
+ xhci_ring_free
+ xhci_trb_virt_to_dma
diff --git a/android/abi_gki_aarch64_qcom b/android/abi_gki_aarch64_qcom
new file mode 100644
index 0000000..9680a305
--- /dev/null
+++ b/android/abi_gki_aarch64_qcom
@@ -0,0 +1,3043 @@
+[abi_symbol_list]
+ access_process_vm
+ activate_task
+ add_cpu
+ add_device_randomness
+ add_memory
+ add_memory_subsection
+ add_taint
+ add_timer
+ add_timer_on
+ add_uevent_var
+ add_wait_queue
+ adjust_managed_page_count
+ aes_encrypt
+ aes_expandkey
+ alarm_cancel
+ alarm_init
+ alarm_start_relative
+ alloc_anon_inode
+ alloc_chrdev_region
+ __alloc_disk_node
+ alloc_etherdev_mqs
+ alloc_io_pgtable_ops
+ alloc_netdev_mqs
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_percpu_gfp
+ __alloc_skb
+ alloc_skb_with_frags
+ alloc_workqueue
+ amba_bustype
+ amba_driver_register
+ amba_driver_unregister
+ android_debug_for_each_module
+ android_debug_per_cpu_symbol
+ android_debug_symbol
+ android_rvh_probe_register
+ anon_inode_getfile
+ arc4_crypt
+ arc4_setkey
+ __arch_clear_user
+ __arch_copy_from_user
+ __arch_copy_in_user
+ __arch_copy_to_user
+ arch_timer_read_counter
+ argv_free
+ argv_split
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_smc
+ arp_tbl
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ autoremove_wake_function
+ available_idle_cpu
+ backlight_device_get_by_type
+ backlight_device_register
+ backlight_device_set_brightness
+ backlight_device_unregister
+ bcmp
+ bdget_disk
+ bdput
+ bio_endio
+ bitmap_allocate_region
+ __bitmap_andnot
+ __bitmap_clear
+ bitmap_find_next_zero_area_off
+ __bitmap_or
+ bitmap_parselist
+ bitmap_parselist_user
+ bitmap_print_to_pagebuf
+ bitmap_release_region
+ __bitmap_set
+ blk_alloc_queue
+ blk_cleanup_queue
+ blk_execute_rq_nowait
+ blk_get_request
+ blk_mq_rq_cpu
+ blk_put_request
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_rq_map_user
+ blk_rq_map_user_iov
+ blk_rq_unmap_user
+ blk_verify_command
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run1
+ bpf_trace_run10
+ bpf_trace_run11
+ bpf_trace_run12
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bpf_trace_run7
+ bpf_trace_run8
+ bpf_trace_run9
+ build_skb
+ bus_find_device
+ bus_for_each_dev
+ bus_register
+ bus_set_iommu
+ bus_unregister
+ call_rcu
+ call_rcu_tasks
+ call_rcu_tasks_trace
+ call_srcu
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_add
+ cdev_alloc
+ cdev_del
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ cgroup_path_ns
+ cgroup_taskset_first
+ cgroup_taskset_next
+ __check_object_size
+ check_preempt_curr
+ check_zeroed_user
+ __class_create
+ class_destroy
+ class_find_device
+ class_for_each_device
+ class_interface_unregister
+ __class_register
+ class_unregister
+ cleanup_srcu_struct
+ clear_page
+ __ClearPageMovable
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_get_all
+ clk_bulk_prepare
+ clk_bulk_put_all
+ clk_bulk_unprepare
+ __clk_determine_rate
+ clk_disable
+ clk_enable
+ clk_fixed_factor_ops
+ clk_fixed_rate_ops
+ clk_get
+ __clk_get_hw
+ __clk_get_name
+ clk_get_parent
+ clk_get_rate
+ clk_hw_get_flags
+ clk_hw_get_name
+ clk_hw_get_num_parents
+ clk_hw_get_parent
+ clk_hw_get_parent_by_index
+ clk_hw_get_rate
+ clk_hw_is_enabled
+ clk_hw_is_prepared
+ clk_hw_register
+ clk_hw_round_rate
+ clk_hw_unregister
+ __clk_is_enabled
+ __clk_mux_determine_rate_closest
+ clk_notifier_register
+ clk_notifier_unregister
+ clk_prepare
+ clk_put
+ clk_register
+ clk_round_rate
+ clk_set_parent
+ clk_set_rate
+ clk_sync_state
+ clk_unprepare
+ cma_alloc
+ cma_get_name
+ cma_release
+ compat_alloc_user_space
+ compat_ptr_ioctl
+ complete
+ complete_all
+ complete_and_exit
+ completion_done
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_unbind_all
+ cond_synchronize_rcu
+ config_ep_by_speed
+ configfs_register_subsystem
+ configfs_unregister_subsystem
+ config_group_init
+ config_group_init_type_name
+ config_item_get
+ config_item_put
+ console_drivers
+ console_stop
+ console_suspend_enabled
+ __const_udelay
+ consume_skb
+ contig_page_data
+ _copy_from_iter_full
+ copy_from_kernel_nofault
+ __cpu_active_mask
+ cpu_bit_bitmap
+ cpufreq_cooling_unregister
+ cpufreq_cpu_get
+ cpufreq_cpu_get_raw
+ cpufreq_cpu_put
+ cpufreq_disable_fast_switch
+ cpufreq_driver_fast_switch
+ cpufreq_driver_resolve_freq
+ __cpufreq_driver_target
+ cpufreq_enable_fast_switch
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_generic_frequency_table_verify
+ cpufreq_get_policy
+ cpufreq_quick_get
+ cpufreq_quick_get_max
+ cpufreq_register_driver
+ cpufreq_register_governor
+ cpufreq_register_notifier
+ cpufreq_unregister_driver
+ cpufreq_unregister_notifier
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_setup_state_cpuslocked
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpuidle_governor_latency_req
+ cpuidle_register_governor
+ cpu_irqtime
+ cpu_is_hotpluggable
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ cpu_latency_qos_request_active
+ cpu_latency_qos_update_request
+ cpu_maps_update_begin
+ cpu_maps_update_done
+ cpumask_any_but
+ cpumask_next
+ cpumask_next_and
+ cpu_number
+ __cpu_online_mask
+ cpu_pm_register_notifier
+ cpu_pm_unregister_notifier
+ __cpu_possible_mask
+ __cpu_present_mask
+ cpupri_find_fitness
+ cpu_scale
+ cpus_read_lock
+ cpus_read_unlock
+ cpu_subsys
+ cpu_topology
+ crc32_be
+ crc32_le
+ crc8
+ crc8_populate_msb
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_ahash_digest
+ crypto_ahash_setkey
+ crypto_alloc_aead
+ crypto_alloc_ahash
+ crypto_alloc_base
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ crypto_alloc_sync_skcipher
+ crypto_cipher_encrypt_one
+ crypto_cipher_setkey
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_dequeue_request
+ crypto_destroy_tfm
+ crypto_enqueue_request
+ crypto_has_alg
+ crypto_init_queue
+ __crypto_memneq
+ crypto_register_aead
+ crypto_register_ahash
+ crypto_register_alg
+ crypto_register_algs
+ crypto_register_rngs
+ crypto_register_scomp
+ crypto_register_skcipher
+ crypto_shash_digest
+ crypto_shash_final
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ crypto_unregister_aead
+ crypto_unregister_ahash
+ crypto_unregister_alg
+ crypto_unregister_algs
+ crypto_unregister_rngs
+ crypto_unregister_scomp
+ crypto_unregister_skcipher
+ __crypto_xor
+ css_next_child
+ csum_ipv6_magic
+ csum_partial
+ csum_tcpudp_nofold
+ _ctype
+ datagram_poll
+ deactivate_task
+ debugfs_attr_read
+ debugfs_attr_write
+ debugfs_create_atomic_t
+ debugfs_create_blob
+ debugfs_create_bool
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_file_unsafe
+ debugfs_create_regset32
+ debugfs_create_symlink
+ debugfs_create_u16
+ debugfs_create_u32
+ debugfs_create_u64
+ debugfs_create_u8
+ debugfs_create_ulong
+ debugfs_create_x32
+ debugfs_create_x64
+ debugfs_create_x8
+ debugfs_file_get
+ debugfs_file_put
+ debugfs_lookup
+ debugfs_print_regs32
+ debugfs_remove
+ debugfs_rename
+ dec_zone_page_state
+ default_llseek
+ deferred_free
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ desc_to_gpio
+ destroy_workqueue
+ dev_alloc_name
+ dev_change_net_namespace
+ dev_close
+ dev_coredumpm
+ dev_coredumpv
+ _dev_crit
+ __dev_direct_xmit
+ dev_driver_string
+ _dev_emerg
+ _dev_err
+ dev_err_probe
+ dev_fetch_sw_netstats
+ devfreq_add_device
+ devfreq_add_governor
+ devfreq_cooling_unregister
+ devfreq_get_devfreq_by_node
+ devfreq_remove_device
+ devfreq_remove_governor
+ devfreq_resume_device
+ devfreq_suspend_device
+ dev_fwnode
+ __dev_get_by_index
+ dev_get_by_index
+ dev_get_by_name
+ dev_get_by_name_rcu
+ dev_get_regmap
+ device_add
+ device_add_disk
+ device_add_groups
+ device_create
+ device_create_file
+ device_create_with_groups
+ device_del
+ device_destroy
+ device_find_child
+ device_for_each_child
+ device_get_match_data
+ device_get_next_child_node
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_link_del
+ device_match_fwnode
+ device_match_name
+ device_property_present
+ device_property_read_string
+ device_property_read_u16_array
+ device_property_read_u32_array
+ device_property_read_u8_array
+ device_register
+ device_remove_file
+ device_rename
+ device_set_wakeup_capable
+ device_show_int
+ device_store_int
+ device_unregister
+ device_wakeup_disable
+ device_wakeup_enable
+ _dev_info
+ __dev_kfree_skb_any
+ devm_add_action
+ devm_backlight_device_register
+ devm_blk_ksm_init
+ devm_clk_bulk_get
+ devm_clk_bulk_get_all
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_hw_register
+ devm_clk_put
+ devm_clk_register
+ devm_device_add_group
+ devm_device_remove_group
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_extcon_dev_unregister
+ devm_extcon_register_notifier
+ devm_free_irq
+ devm_gpiod_get_optional
+ devm_gpio_request
+ devm_gpio_request_one
+ devm_hwspin_lock_register
+ devm_iio_channel_get
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_ioremap_wc
+ devm_iounmap
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_kstrdup
+ devm_led_classdev_register_ext
+ devm_mbox_controller_register
+ devm_nvmem_cell_get
+ devm_nvmem_device_get
+ devm_nvmem_register
+ devm_of_clk_add_hw_provider
+ devm_of_icc_get
+ __devm_of_phy_provider_register
+ devm_of_platform_populate
+ devm_of_pwm_get
+ devm_pci_alloc_host_bridge
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_get
+ devm_pinctrl_put
+ devm_pinctrl_register
+ devm_platform_get_and_ioremap_resource
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ devm_power_supply_register
+ devm_pwm_put
+ devm_regmap_add_irq_chip
+ devm_regmap_del_irq_chip
+ devm_regmap_field_alloc
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_optional
+ devm_regulator_put
+ devm_regulator_register
+ devm_regulator_register_notifier
+ devm_request_any_context_irq
+ __devm_request_region
+ devm_request_threaded_irq
+ devm_reset_control_array_get
+ __devm_reset_control_get
+ devm_reset_controller_register
+ devm_rproc_add
+ devm_rproc_alloc
+ devm_rtc_allocate_device
+ devm_snd_soc_register_card
+ devm_thermal_of_cooling_device_register
+ devm_thermal_zone_of_sensor_register
+ devm_usb_get_phy
+ devm_usb_get_phy_by_node
+ devm_usb_get_phy_by_phandle
+ _dev_notice
+ dev_pm_domain_attach
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_genpd_add_notifier
+ dev_pm_genpd_remove_notifier
+ dev_pm_genpd_set_next_wakeup
+ dev_pm_genpd_set_performance_state
+ dev_pm_opp_add
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_level
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_find_icc_paths
+ dev_pm_opp_of_register_em
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_clkname
+ dev_pm_opp_register_notifier
+ dev_pm_opp_remove_all_dynamic
+ dev_pm_opp_set_clkname
+ dev_pm_opp_set_rate
+ dev_pm_opp_set_sharing_cpus
+ dev_pm_opp_unregister_notifier
+ dev_pm_qos_add_notifier
+ dev_pm_qos_add_request
+ dev_pm_qos_read_value
+ dev_pm_qos_remove_notifier
+ dev_pm_qos_remove_request
+ dev_pm_qos_update_request
+ dev_printk
+ dev_queue_xmit
+ devres_add
+ devres_alloc_node
+ devres_free
+ devres_release
+ dev_set_name
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ disable_percpu_irq
+ disk_end_io_acct
+ disk_start_io_acct
+ divider_get_val
+ divider_recalc_rate
+ divider_ro_round_rate_parent
+ divider_round_rate_parent
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_begin_cpu_access_partial
+ dma_buf_detach
+ dma_buf_end_cpu_access
+ dma_buf_end_cpu_access_partial
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_get_flags
+ dma_buf_map_attachment
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dma_contiguous_default_area
+ dma_fence_add_callback
+ dma_fence_array_create
+ dma_fence_array_ops
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_enable_sw_signaling
+ dma_fence_free
+ dma_fence_get_status
+ dma_fence_init
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ dma_fence_signal_locked
+ dma_fence_signal_timestamp_locked
+ dma_fence_wait_timeout
+ dma_free_attrs
+ dma_get_sgtable_attrs
+ dma_get_slave_channel
+ dma_heap_add
+ dma_heap_buffer_alloc
+ dma_heap_buffer_free
+ dma_heap_find
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_resource
+ dma_map_sg_attrs
+ dmam_free_coherent
+ dma_mmap_attrs
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ dma_release_channel
+ dma_request_chan
+ dma_resv_fini
+ dma_resv_init
+ dma_resv_wait_timeout_rcu
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_resource
+ dma_unmap_sg_attrs
+ do_exit
+ do_trace_rcu_torture_read
+ do_wait_intr
+ down
+ down_read
+ down_write
+ d_path
+ dput
+ drain_workqueue
+ driver_find_device
+ driver_register
+ driver_unregister
+ drm_add_edid_modes
+ drm_add_modes_noedid
+ drm_atomic_commit
+ drm_atomic_get_connector_state
+ drm_atomic_get_crtc_state
+ drm_atomic_get_plane_state
+ drm_atomic_get_private_obj_state
+ drm_atomic_helper_check
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit_duplicated_state
+ drm_atomic_helper_commit_hw_done
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ __drm_atomic_helper_connector_destroy_state
+ __drm_atomic_helper_connector_duplicate_state
+ __drm_atomic_helper_connector_reset
+ __drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_dirtyfb
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_duplicate_state
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_prepare_planes
+ __drm_atomic_helper_private_obj_duplicate_state
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_swap_state
+ drm_atomic_helper_update_legacy_modeset_state
+ drm_atomic_helper_update_plane
+ drm_atomic_helper_wait_for_fences
+ drm_atomic_helper_wait_for_vblanks
+ drm_atomic_private_obj_init
+ drm_atomic_set_crtc_for_connector
+ drm_atomic_set_fence_for_plane
+ drm_atomic_set_mode_for_crtc
+ drm_atomic_state_alloc
+ drm_atomic_state_clear
+ drm_atomic_state_default_clear
+ drm_atomic_state_default_release
+ __drm_atomic_state_free
+ drm_atomic_state_init
+ drm_bridge_attach
+ drm_bridge_chain_disable
+ drm_bridge_chain_enable
+ drm_bridge_chain_mode_set
+ drm_bridge_chain_post_disable
+ drm_bridge_chain_pre_enable
+ drm_client_init
+ drm_client_modeset_commit_locked
+ drm_client_register
+ drm_compat_ioctl
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_connector_register
+ drm_connector_set_tile_property
+ drm_connector_unregister
+ drm_connector_update_edid_property
+ drm_crtc_cleanup
+ drm_crtc_from_index
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_set_max_vblank_count
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_reset
+ drm_crtc_wait_one_vblank
+ __drm_dbg
+ __drm_debug
+ drm_detect_hdmi_monitor
+ drm_detect_monitor_audio
+ drm_dev_alloc
+ drm_dev_dbg
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_dp_atomic_find_vcpi_slots
+ drm_dp_atomic_release_vcpi_slots
+ drm_dp_aux_register
+ drm_dp_aux_unregister
+ drm_dp_bw_code_to_link_rate
+ drm_dp_calc_pbn_mode
+ drm_dp_channel_eq_ok
+ drm_dp_check_act_status
+ drm_dp_clock_recovery_ok
+ drm_dp_dpcd_read
+ drm_dp_dpcd_read_link_status
+ drm_dp_dpcd_write
+ drm_dp_find_vcpi_slots
+ drm_dp_get_adjust_request_pre_emphasis
+ drm_dp_get_adjust_request_voltage
+ drm_dp_link_rate_to_bw_code
+ drm_dp_link_train_channel_eq_delay
+ drm_dp_link_train_clock_recovery_delay
+ drm_dp_mst_allocate_vcpi
+ drm_dp_mst_deallocate_vcpi
+ drm_dp_mst_detect_port
+ drm_dp_mst_get_edid
+ drm_dp_mst_get_port_malloc
+ drm_dp_mst_hpd_irq
+ drm_dp_mst_put_port_malloc
+ drm_dp_mst_reset_vcpi_slots
+ drm_dp_mst_topology_mgr_destroy
+ drm_dp_mst_topology_mgr_init
+ drm_dp_mst_topology_mgr_set_mst
+ drm_dp_send_power_updown_phy
+ drm_dp_update_payload_part1
+ drm_dp_update_payload_part2
+ drm_edid_duplicate
+ drm_edid_is_valid
+ drm_encoder_cleanup
+ drm_encoder_init
+ __drm_err
+ drm_event_reserve_init_locked
+ drm_format_info
+ drm_framebuffer_init
+ drm_framebuffer_lookup
+ drm_framebuffer_remove
+ drm_framebuffer_unregister_private
+ drm_gem_create_mmap_offset
+ drm_gem_fb_create_handle
+ drm_gem_fb_destroy
+ drm_gem_fb_get_obj
+ drm_gem_free_mmap_offset
+ drm_gem_get_pages
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_mmap_obj
+ drm_gem_object_free
+ drm_gem_object_init
+ drm_gem_object_lookup
+ drm_gem_object_put_locked
+ drm_gem_object_release
+ drm_gem_prime_export
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_private_object_init
+ drm_gem_put_pages
+ drm_gem_vm_close
+ drm_gem_vm_open
+ drm_get_connector_status_name
+ drm_get_edid
+ drm_get_format_info
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_single_connector_modes
+ drm_ioctl
+ drm_irq_install
+ drm_irq_uninstall
+ drm_kms_helper_hotplug_event
+ drm_kms_helper_poll_disable
+ drm_kms_helper_poll_enable
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drm_match_cea_mode
+ drm_mm_init
+ drm_mm_insert_node_in_range
+ drmm_mode_config_init
+ drm_mm_remove_node
+ drm_mm_takedown
+ drm_mode_config_cleanup
+ drm_mode_config_reset
+ drm_mode_convert_umode
+ drm_mode_copy
+ drm_mode_create
+ drm_mode_create_dp_colorspace_property
+ drm_mode_create_tile_group
+ drm_mode_debug_printmodeline
+ drm_mode_duplicate
+ drm_mode_equal
+ drm_mode_get_tile_group
+ drm_mode_is_420_only
+ drm_mode_object_find
+ drm_mode_object_get
+ drm_mode_object_put
+ drm_mode_probed_add
+ drm_modeset_acquire_fini
+ drm_modeset_acquire_init
+ drm_modeset_backoff
+ drm_mode_set_crtcinfo
+ drm_modeset_drop_locks
+ drm_modeset_lock
+ drm_modeset_lock_all
+ drm_modeset_lock_all_ctx
+ drm_mode_set_name
+ drm_modeset_unlock_all
+ drm_mode_vrefresh
+ drm_object_attach_property
+ drm_object_property_set_value
+ drm_of_component_match_add
+ drm_open
+ drm_panel_add
+ drm_panel_init
+ drm_panel_remove
+ drm_plane_cleanup
+ drm_plane_create_rotation_property
+ drm_poll
+ drm_prime_gem_destroy
+ drm_prime_pages_to_sg
+ drm_property_blob_get
+ drm_property_blob_put
+ drm_property_create
+ drm_property_create_bitmask
+ drm_property_create_blob
+ drm_property_create_enum
+ drm_property_create_range
+ drm_property_lookup_blob
+ drm_read
+ drm_release
+ drm_rotation_simplify
+ drm_send_event_locked
+ drm_set_preferred_mode
+ drm_universal_plane_init
+ drm_vblank_init
+ drm_wait_one_vblank
+ dst_release
+ dump_stack
+ __dynamic_dev_dbg
+ __dynamic_pr_debug
+ edac_device_add_device
+ edac_device_alloc_ctl_info
+ edac_device_alloc_index
+ edac_device_del_device
+ edac_device_free_ctl_info
+ edac_device_handle_ce_count
+ edac_device_handle_ue_count
+ enable_irq
+ enable_percpu_irq
+ ether_setup
+ eth_mac_addr
+ ethtool_op_get_link
+ eth_type_trans
+ eventfd_ctx_fdget
+ eventfd_ctx_fileget
+ eventfd_ctx_put
+ eventfd_ctx_remove_wait_queue
+ eventfd_signal
+ event_triggers_call
+ extcon_find_edev_by_node
+ extcon_get_edev_by_phandle
+ extcon_get_edev_name
+ extcon_get_extcon_dev
+ extcon_get_property
+ extcon_get_state
+ extcon_register_notifier
+ extcon_set_state_sync
+ extcon_unregister_notifier
+ failure_tracking
+ fasync_helper
+ __fdget
+ fd_install
+ fget
+ find_get_pid
+ find_last_bit
+ find_next_bit
+ find_next_zero_bit
+ find_snd_usb_substream
+ find_task_by_vpid
+ find_vma
+ find_vpid
+ finish_wait
+ firmware_request_nowarn
+ flush_dcache_page
+ flush_delayed_work
+ __flush_icache_range
+ flush_work
+ flush_workqueue
+ fput
+ free_io_pgtable_ops
+ free_irq
+ free_netdev
+ __free_pages
+ free_pages
+ free_pages_exact
+ free_percpu
+ free_percpu_irq
+ freezing_slow_path
+ freq_qos_add_request
+ freq_qos_remove_request
+ freq_qos_update_request
+ freq_scale
+ fsync_bdev
+ ftrace_dump
+ fwnode_find_reference
+ fwnode_get_name
+ fwnode_get_named_child_node
+ fwnode_get_next_child_node
+ fwnode_handle_get
+ fwnode_handle_put
+ fwnode_property_present
+ fwnode_property_read_string
+ fwnode_property_read_u32_array
+ fwnode_usb_role_switch_get
+ gcd
+ generic_device_group
+ generic_file_llseek
+ generic_handle_irq
+ generic_iommu_put_resv_regions
+ genlmsg_multicast_allns
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_avail
+ gen_pool_best_fit
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_first_fit_order_align
+ gen_pool_free_owner
+ gen_pool_has_addr
+ gen_pool_set_algo
+ gen_pool_size
+ gen_pool_virt_to_phys
+ getboottime64
+ get_cpu_device
+ get_device
+ get_each_dmabuf
+ get_each_object_track
+ __get_free_pages
+ get_governor_parent_kobj
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ get_option
+ get_page_owner_handle
+ get_pfnblock_flags_mask
+ get_pid_task
+ get_random_bytes
+ get_random_u32
+ get_sg_io_hdr
+ get_slabinfo
+ get_state_synchronize_rcu
+ __get_task_comm
+ get_task_mm
+ get_task_pid
+ get_unmapped_area
+ get_unused_fd_flags
+ get_user_pages
+ get_zeroed_page
+ gfp_zone
+ gic_nonsecure_priorities
+ gic_resume
+ gov_attr_set_init
+ gov_attr_set_put
+ governor_sysfs_ops
+ gpiochip_add_data_with_key
+ gpiochip_add_pin_range
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_line_is_valid
+ gpiochip_lock_as_irq
+ gpiochip_remove
+ gpiochip_unlock_as_irq
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_optional
+ gpiod_get_raw_value
+ gpiod_get_raw_value_cansleep
+ gpiod_get_value
+ gpiod_get_value_cansleep
+ gpiod_set_debounce
+ gpiod_set_raw_value
+ gpiod_set_raw_value_cansleep
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_free
+ gpio_free_array
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ gro_cells_destroy
+ gro_cells_init
+ gro_cells_receive
+ handle_bad_irq
+ handle_edge_irq
+ handle_fasteoi_ack_irq
+ handle_fasteoi_irq
+ handle_level_irq
+ handle_nested_irq
+ handle_simple_irq
+ handle_sysrq
+ hashlen_string
+ hex2bin
+ hex_dump_to_buffer
+ hex_to_bin
+ hrtimer_active
+ hrtimer_cancel
+ hrtimer_forward
+ __hrtimer_get_remaining
+ hrtimer_init
+ hrtimer_start_range_ns
+ hrtimer_try_to_cancel
+ hvc_alloc
+ hvc_kick
+ hvc_poll
+ hvc_remove
+ __hw_addr_init
+ __hw_addr_sync
+ __hw_addr_unsync
+ hwrng_register
+ hwrng_unregister
+ hwspin_lock_free
+ hwspin_lock_request_specific
+ __hwspin_lock_timeout
+ __hwspin_unlock
+ hypervisor_kobj
+ i2c_add_adapter
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_get_dma_safe_msg_buf
+ i2c_new_client_device
+ i2c_put_dma_safe_msg_buf
+ i2c_register_driver
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ i3c_device_disable_ibi
+ i3c_device_do_priv_xfers
+ i3c_device_enable_ibi
+ i3c_device_free_ibi
+ i3c_device_get_info
+ i3c_device_request_ibi
+ i3cdev_to_dev
+ i3c_driver_register_with_owner
+ i3c_driver_unregister
+ i3c_generic_ibi_alloc_pool
+ i3c_generic_ibi_free_pool
+ i3c_generic_ibi_get_free_slot
+ i3c_generic_ibi_recycle_slot
+ i3c_master_add_i3c_dev_locked
+ i3c_master_disec_locked
+ i3c_master_do_daa
+ i3c_master_enec_locked
+ i3c_master_entdaa_locked
+ i3c_master_get_free_addr
+ i3c_master_queue_ibi
+ i3c_master_register
+ i3c_master_set_info
+ i3c_master_unregister
+ icc_disable
+ icc_enable
+ icc_get
+ icc_link_create
+ icc_node_add
+ icc_node_create
+ icc_node_del
+ icc_node_destroy
+ icc_provider_add
+ icc_provider_del
+ icc_put
+ icc_set_bw
+ icc_set_tag
+ ida_alloc_range
+ ida_free
+ idr_alloc
+ idr_alloc_cyclic
+ idr_alloc_u32
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_preload
+ idr_remove
+ idr_replace
+ iio_channel_get_all
+ iio_read_channel_processed
+ import_iovec
+ in4_pton
+ in6_pton
+ inc_node_page_state
+ inc_zone_page_state
+ in_egroup_p
+ inet_csk_get_port
+ inet_proto_csum_replace4
+ init_dummy_netdev
+ init_iova_domain
+ init_net
+ init_pid_ns
+ init_pseudo
+ __init_rwsem
+ init_srcu_struct
+ __init_swait_queue_head
+ init_task
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ __init_waitqueue_head
+ input_alloc_absinfo
+ input_allocate_device
+ input_close_device
+ input_event
+ input_ff_create
+ input_ff_destroy
+ input_free_device
+ input_mt_init_slots
+ input_mt_report_pointer_emulation
+ input_mt_report_slot_state
+ input_open_device
+ input_register_device
+ input_register_handle
+ input_register_handler
+ input_set_abs_params
+ input_set_capability
+ input_unregister_device
+ input_unregister_handle
+ input_unregister_handler
+ interval_tree_insert
+ interval_tree_iter_first
+ interval_tree_iter_next
+ interval_tree_remove
+ int_sqrt
+ invalidate_mapping_pages
+ iomem_resource
+ iommu_alloc_resv_region
+ iommu_attach_device
+ iommu_attach_group
+ iommu_detach_device
+ iommu_detach_group
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unregister
+ iommu_dma_enable_best_fit_algo
+ iommu_dma_get_resv_regions
+ iommu_dma_reserve_iova
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_domain_get_attr
+ iommu_domain_set_attr
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_get_domain_for_dev
+ iommu_get_msi_cookie
+ iommu_group_for_each_dev
+ iommu_group_get
+ iommu_group_get_iommudata
+ iommu_group_put
+ iommu_group_ref_get
+ iommu_group_set_iommudata
+ iommu_iova_to_phys
+ iommu_map
+ iommu_map_sg
+ iommu_present
+ iommu_put_dma_cookie
+ iommu_set_fault_handler
+ iommu_unmap
+ __ioread32_copy
+ __ioremap
+ iounmap
+ __iowrite32_copy
+ ip_compute_csum
+ ipi_desc_get
+ ip_route_output_flow
+ iput
+ __ipv6_addr_type
+ ipv6_ext_hdr
+ ipv6_find_hdr
+ ipv6_skip_exthdr
+ ipv6_stub
+ irq_chip_ack_parent
+ irq_chip_disable_parent
+ irq_chip_enable_parent
+ irq_chip_eoi_parent
+ irq_chip_get_parent_state
+ irq_chip_mask_parent
+ irq_chip_retrigger_hierarchy
+ irq_chip_set_affinity_parent
+ irq_chip_set_parent_state
+ irq_chip_set_type_parent
+ irq_chip_set_vcpu_affinity_parent
+ irq_chip_set_wake_parent
+ irq_chip_unmask_parent
+ irq_create_fwspec_mapping
+ irq_create_mapping_affinity
+ irq_dispose_mapping
+ __irq_domain_add
+ irq_domain_alloc_irqs_parent
+ irq_domain_create_hierarchy
+ irq_domain_disconnect_hierarchy
+ irq_domain_free_irqs_common
+ irq_domain_free_irqs_parent
+ irq_domain_get_irq_data
+ irq_domain_remove
+ irq_domain_set_hwirq_and_chip
+ irq_domain_set_info
+ irq_domain_update_bus_token
+ irq_domain_xlate_onecell
+ irq_domain_xlate_twocell
+ irq_do_set_affinity
+ irq_find_mapping
+ irq_find_matching_fwspec
+ irq_get_irqchip_state
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_affinity_notifier
+ irq_set_chained_handler_and_data
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irqchip_state
+ irq_set_irq_type
+ irq_set_irq_wake
+ irq_set_parent
+ irq_to_desc
+ irq_work_queue
+ irq_work_queue_on
+ irq_work_sync
+ is_dma_buf_file
+ isolate_and_split_free_page
+ isolate_anon_lru_page
+ is_vmalloc_addr
+ iterate_fd
+ jiffies
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_bind
+ kernel_connect
+ kernel_getsockname
+ kernel_kobj
+ kernel_param_lock
+ kernel_param_unlock
+ kernel_power_off
+ kernel_recvmsg
+ kernel_restart
+ kernel_sendmsg
+ kernfs_find_and_get_ns
+ kernfs_notify
+ kernfs_put
+ kern_mount
+ kern_unmount
+ key_create_or_update
+ key_put
+ keyring_alloc
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_out
+ kfree
+ kfree_const
+ kfree_sensitive
+ kfree_skb
+ kfree_skb_list
+ kick_all_cpus_sync
+ kill_anon_super
+ kill_fasync
+ kimage_vaddr
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_create_usercopy
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kmemdup_nul
+ kobject_add
+ kobject_create_and_add
+ kobject_del
+ kobject_init
+ kobject_init_and_add
+ kobject_put
+ kobject_set_name
+ kobject_uevent
+ kobject_uevent_env
+ kobj_sysfs_ops
+ krealloc
+ kset_create_and_add
+ ksize
+ ksoftirqd
+ kstat
+ kstat_irqs_cpu
+ kstat_irqs_usr
+ kstrdup
+ kstrdup_const
+ kstrndup
+ kstrtobool
+ kstrtoint
+ kstrtoint_from_user
+ kstrtoll
+ kstrtos8
+ kstrtos8_from_user
+ kstrtou16
+ kstrtou16_from_user
+ kstrtou8
+ kstrtou8_from_user
+ kstrtouint
+ kstrtouint_from_user
+ kstrtoul_from_user
+ kstrtoull
+ kstrtoull_from_user
+ kthread_bind
+ kthread_bind_mask
+ kthread_cancel_delayed_work_sync
+ kthread_cancel_work_sync
+ kthread_create_on_node
+ kthread_create_worker
+ kthread_delayed_work_timer_fn
+ kthread_destroy_worker
+ kthread_flush_work
+ kthread_flush_worker
+ __kthread_init_worker
+ kthread_mod_delayed_work
+ kthread_park
+ kthread_parkme
+ kthread_queue_delayed_work
+ kthread_queue_work
+ kthread_should_park
+ kthread_should_stop
+ kthread_stop
+ kthread_unpark
+ kthread_worker_fn
+ ktime_get
+ ktime_get_coarse_with_offset
+ ktime_get_mono_fast_ns
+ ktime_get_real_seconds
+ ktime_get_real_ts64
+ ktime_get_seconds
+ ktime_get_with_offset
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ led_classdev_flash_register_ext
+ led_classdev_flash_unregister
+ led_classdev_unregister
+ led_trigger_event
+ led_trigger_register_simple
+ led_trigger_unregister_simple
+ __list_add_valid
+ __list_del_entry_valid
+ list_sort
+ llist_add_batch
+ llist_reverse_order
+ __local_bh_enable_ip
+ __lock_page
+ lock_sock_nested
+ log_buf_addr_get
+ log_buf_len_get
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ lookup_page_ext
+ lzo1x_1_compress
+ lzo1x_decompress_safe
+ lzorle1x_1_compress
+ mac_pton
+ match_string
+ mbox_chan_received_data
+ mbox_chan_txdone
+ mbox_client_txdone
+ mbox_controller_register
+ mbox_controller_unregister
+ mbox_free_channel
+ mbox_request_channel
+ mbox_send_message
+ media_device_cleanup
+ media_device_init
+ __media_device_register
+ media_device_unregister
+ media_entity_pads_init
+ memblock_end_of_DRAM
+ memblock_free
+ __memcat_p
+ memchr
+ memchr_inv
+ memcmp
+ memcpy
+ __memcpy_fromio
+ __memcpy_toio
+ memdup_user
+ memmove
+ memory_block_size_bytes
+ memory_read_from_buffer
+ memparse
+ mempool_alloc
+ mempool_alloc_slab
+ mempool_create
+ mempool_destroy
+ mempool_free
+ mempool_free_slab
+ memremap
+ memset
+ memset64
+ __memset_io
+ memstart_addr
+ memunmap
+ migrate_pages
+ migrate_swap
+ mipi_dsi_create_packet
+ mipi_dsi_dcs_set_display_brightness
+ mipi_dsi_dcs_set_tear_off
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ misc_deregister
+ misc_register
+ mmc_cqe_request_done
+ mmc_hs200_tuning
+ mmc_issue_type
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_select_bus_width
+ mmc_select_hs
+ mmc_select_hs400
+ mmc_select_hs_ddr
+ mmc_select_timing
+ mmc_send_tuning
+ mmc_set_clock
+ mmc_set_initial_state
+ mmc_set_timing
+ mmput
+ mod_delayed_work_on
+ __mod_node_page_state
+ mod_node_page_state
+ mod_timer
+ __module_get
+ module_layout
+ module_put
+ __mod_zone_page_state
+ __msecs_to_jiffies
+ msleep
+ msleep_interruptible
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_trylock
+ mutex_unlock
+ napi_complete_done
+ napi_disable
+ napi_gro_flush
+ napi_gro_receive
+ __napi_schedule
+ napi_schedule_prep
+ neigh_destroy
+ __neigh_event_send
+ neigh_lookup
+ neigh_resolve_output
+ neigh_xmit
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_rx_handler_register
+ netdev_rx_handler_unregister
+ netdev_set_default_ethtool_ops
+ netdev_update_features
+ netif_carrier_off
+ netif_carrier_on
+ netif_device_attach
+ netif_device_detach
+ netif_napi_add
+ __netif_napi_del
+ netif_receive_skb
+ netif_receive_skb_core
+ netif_receive_skb_list
+ netif_rx
+ netif_rx_ni
+ netif_schedule_queue
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_broadcast
+ netlink_capable
+ __netlink_kernel_create
+ netlink_kernel_release
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_ns_type_operations
+ net_ratelimit
+ __next_zones_zonelist
+ nla_find
+ nla_memcpy
+ __nla_parse
+ nla_put
+ nla_put_64bit
+ nla_reserve
+ nla_reserve_64bit
+ __nla_validate
+ __nlmsg_put
+ no_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ nr_ipi_get
+ nr_irqs
+ ns_capable
+ nsecs_to_jiffies
+ ns_to_timespec64
+ __num_online_cpus
+ nvmem_cell_get
+ nvmem_cell_put
+ nvmem_cell_read
+ nvmem_cell_read_u32
+ nvmem_cell_write
+ nvmem_device_read
+ nvmem_device_write
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_hw_provider
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_get
+ of_clk_get_from_provider
+ of_clk_get_parent_count
+ of_clk_hw_simple_get
+ of_clk_src_onecell_get
+ of_clk_src_simple_get
+ of_count_phandle_with_args
+ of_cpufreq_cooling_register
+ of_cpu_node_to_id
+ of_devfreq_cooling_register
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_device_uevent_modalias
+ of_dma_configure_id
+ of_dma_controller_free
+ of_dma_controller_register
+ of_dma_is_coherent
+ of_drm_find_bridge
+ of_drm_find_panel
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_i2c_device_by_node
+ of_find_matching_node_and_match
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_opts_by_path
+ of_find_node_with_property
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_provider_onecell
+ of_genpd_add_provider_simple
+ of_genpd_del_provider
+ of_get_address
+ of_get_child_by_name
+ of_get_compatible_child
+ of_get_cpu_node
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_next_parent
+ of_get_parent
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_endpoint_by_regs
+ of_graph_get_next_endpoint
+ of_graph_get_port_parent
+ of_graph_get_remote_endpoint
+ of_graph_get_remote_node
+ of_graph_get_remote_port
+ of_graph_get_remote_port_parent
+ of_graph_is_present
+ of_graph_parse_endpoint
+ of_hwspin_lock_get_id
+ of_i2c_get_board_info
+ of_icc_get
+ of_icc_xlate_onecell
+ of_iomap
+ of_irq_find_parent
+ of_irq_get
+ of_irq_get_byname
+ of_irq_parse_one
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_modalias_node
+ of_n_addr_cells
+ of_node_name_eq
+ of_n_size_cells
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_phy_simple_xlate
+ of_platform_depopulate
+ of_platform_device_create
+ of_platform_device_destroy
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_u64
+ of_property_read_u64_index
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u8_array
+ of_prop_next_string
+ of_prop_next_u32
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_device_release
+ of_reserved_mem_lookup
+ of_reset_control_array_get
+ of_root
+ of_thermal_get_ntrips
+ of_thermal_get_trip_points
+ of_thermal_is_trip_valid
+ of_translate_address
+ of_usb_get_phy_mode
+ of_usb_host_tpl_support
+ on_each_cpu
+ oops_in_progress
+ overflowuid
+ page_endio
+ page_mapping
+ __page_pinner_migration_failed
+ panic
+ panic_notifier_list
+ panic_timeout
+ param_array_ops
+ param_get_int
+ param_get_string
+ param_get_ullong
+ param_ops_bool
+ param_ops_byte
+ param_ops_charp
+ param_ops_int
+ param_ops_long
+ param_ops_string
+ param_ops_uint
+ param_ops_ullong
+ param_ops_ulong
+ param_set_bool
+ param_set_copystring
+ param_set_int
+ pause_cpus
+ pci_aer_clear_nonfatal_status
+ pci_alloc_irq_vectors_affinity
+ pci_assign_resource
+ pci_bus_type
+ pci_clear_master
+ pci_d3cold_disable
+ pci_device_group
+ pci_device_is_present
+ pci_dev_present
+ pci_disable_device
+ pci_disable_msi
+ pci_disable_pcie_error_reporting
+ pcie_capability_clear_and_set_word
+ pcie_capability_read_word
+ pci_enable_device
+ pci_enable_pcie_error_reporting
+ pci_find_ext_capability
+ pci_free_irq_vectors
+ pci_get_device
+ pci_get_domain_bus_and_slot
+ pci_host_probe
+ pci_iomap
+ pci_irq_vector
+ pci_load_and_free_saved_state
+ pci_load_saved_state
+ pci_match_id
+ pcim_enable_device
+ pci_msi_create_irq_domain
+ pci_msi_mask_irq
+ pci_msi_unmask_irq
+ pci_read_config_byte
+ pci_read_config_dword
+ pci_read_config_word
+ __pci_register_driver
+ pci_release_region
+ pci_request_region
+ pci_restore_state
+ pci_save_state
+ pci_set_master
+ pci_set_mwi
+ pci_set_power_state
+ pci_store_saved_state
+ pci_unregister_driver
+ pci_walk_bus
+ pci_write_config_dword
+ pci_write_config_word
+ pcpu_nr_pages
+ PDE_DATA
+ __percpu_down_read
+ percpu_down_write
+ __percpu_init_rwsem
+ __per_cpu_offset
+ per_cpu_ptr_to_phys
+ percpu_up_write
+ perf_aux_output_begin
+ perf_aux_output_end
+ perf_aux_output_flag
+ perf_event_addr_filters_sync
+ perf_event_create_kernel_counter
+ perf_event_disable
+ perf_event_enable
+ perf_event_read_local
+ perf_event_read_value
+ perf_event_release_kernel
+ perf_get_aux
+ perf_pmu_register
+ perf_pmu_unregister
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_calibrate
+ phy_exit
+ phy_init
+ phy_pm_runtime_get_sync
+ phy_pm_runtime_put_sync
+ phy_power_off
+ phy_power_on
+ phy_set_mode_ext
+ pick_highest_pushable_task
+ pid_nr_ns
+ pid_task
+ pinconf_generic_dt_node_to_map
+ pinctrl_dev_get_drvdata
+ pinctrl_force_default
+ pinctrl_force_sleep
+ pinctrl_get
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_put
+ pinctrl_select_state
+ pinctrl_utils_free_map
+ platform_bus_type
+ platform_device_add
+ platform_device_add_data
+ platform_device_add_properties
+ platform_device_add_resources
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_device_register
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_irq_byname_optional
+ platform_get_resource
+ platform_get_resource_byname
+ platform_irq_count
+ platform_msi_domain_alloc_irqs
+ platform_msi_domain_free_irqs
+ pm_clk_add
+ pm_clk_create
+ pm_clk_destroy
+ pm_clk_resume
+ pm_clk_suspend
+ pm_generic_resume
+ pm_generic_suspend
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_genpd_remove
+ pm_genpd_remove_subdomain
+ pm_power_off
+ __pm_relax
+ pm_relax
+ pm_runtime_allow
+ pm_runtime_barrier
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ pm_runtime_irq_safe
+ pm_runtime_no_callbacks
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ pm_stay_awake
+ pm_system_wakeup
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ power_supply_changed
+ power_supply_get_by_name
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_put
+ power_supply_register
+ power_supply_reg_notifier
+ power_supply_set_property
+ power_supply_unregister
+ power_supply_unreg_notifier
+ prandom_bytes
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ printk_deferred
+ proc_create
+ proc_create_data
+ proc_dointvec
+ proc_dointvec_minmax
+ proc_dostring
+ proc_douintvec_minmax
+ proc_mkdir
+ proc_remove
+ proc_set_user
+ proto_register
+ proto_unregister
+ pskb_expand_head
+ __pskb_pull_tail
+ ___pskb_trim
+ putback_movable_pages
+ put_device
+ put_disk
+ put_iova_domain
+ __put_net
+ __put_page
+ put_pid
+ put_sg_io_hdr
+ __put_task_struct
+ put_unused_fd
+ pwm_apply_state
+ pwmchip_add
+ pwmchip_remove
+ qcom_smem_state_get
+ qcom_smem_state_register
+ qcom_smem_state_unregister
+ qcom_smem_state_update_bits
+ qdisc_reset
+ queue_delayed_work_on
+ queue_work_on
+ radix_tree_delete
+ radix_tree_insert
+ radix_tree_iter_delete
+ radix_tree_lookup
+ radix_tree_maybe_preload
+ radix_tree_next_chunk
+ ___ratelimit
+ rational_best_approximation
+ raw_notifier_call_chain
+ raw_notifier_chain_register
+ raw_notifier_chain_unregister
+ _raw_read_lock
+ _raw_read_lock_bh
+ _raw_read_lock_irq
+ _raw_read_lock_irqsave
+ _raw_read_unlock
+ _raw_read_unlock_bh
+ _raw_read_unlock_irq
+ _raw_read_unlock_irqrestore
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_trylock_bh
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ _raw_write_lock
+ _raw_write_lock_bh
+ _raw_write_lock_irq
+ _raw_write_lock_irqsave
+ _raw_write_unlock
+ _raw_write_unlock_bh
+ _raw_write_unlock_irq
+ _raw_write_unlock_irqrestore
+ rb_erase
+ rb_first
+ rb_insert_color
+ rb_last
+ rb_next
+ rb_prev
+ rcu_barrier
+ rcu_barrier_tasks
+ rcu_barrier_tasks_trace
+ rcu_bind_current_to_nocb
+ rcu_cpu_stall_suppress
+ rcu_cpu_stall_suppress_at_boot
+ rcu_expedite_gp
+ rcu_force_quiescent_state
+ rcu_fwd_progress_check
+ rcu_get_gp_kthreads_prio
+ rcu_get_gp_seq
+ rcu_gp_is_expedited
+ rcu_gp_is_normal
+ rcu_gp_set_torture_wait
+ rcu_inkernel_boot_has_ended
+ rcu_is_watching
+ rcu_jiffies_till_stall_check
+ __rcu_read_lock
+ __rcu_read_unlock
+ rcu_read_unlock_trace_special
+ rcutorture_get_gp_data
+ rcu_unexpedite_gp
+ rcuwait_wake_up
+ rdev_get_drvdata
+ reboot_mode
+ reclaim_shmem_address_space
+ refcount_dec_and_lock
+ refcount_dec_not_one
+ refcount_warn_saturate
+ regcache_cache_only
+ regcache_mark_dirty
+ regcache_sync
+ regcache_sync_region
+ register_blkdev
+ __register_chrdev
+ register_chrdev_region
+ register_console
+ register_die_notifier
+ register_ftrace_export
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ register_kprobe
+ register_kretprobe
+ register_memory_notifier
+ register_module_notifier
+ register_qdisc
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_netevent_notifier
+ register_oom_notifier
+ register_pernet_device
+ register_pm_notifier
+ register_reboot_notifier
+ register_restart_handler
+ __register_rpmsg_driver
+ register_shrinker
+ register_syscore_ops
+ register_sysctl
+ register_sysctl_table
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_check_range_table
+ regmap_field_read
+ regmap_field_update_bits_base
+ __regmap_init
+ regmap_irq_get_virq
+ regmap_mmio_detach_clk
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_allow_bypass
+ regulator_bulk_disable
+ regulator_count_voltages
+ regulator_disable
+ regulator_disable_deferred
+ regulator_enable
+ regulator_force_disable
+ regulator_get
+ regulator_get_drvdata
+ regulator_get_mode
+ regulator_get_voltage
+ regulator_get_voltage_rdev
+ regulator_is_enabled
+ regulator_is_supported_voltage
+ regulator_list_voltage_linear
+ regulator_notifier_call_chain
+ regulator_put
+ regulator_register_notifier
+ regulator_set_current_limit
+ regulator_set_load
+ regulator_set_mode
+ regulator_set_voltage
+ regulator_unregister_notifier
+ release_firmware
+ __release_region
+ release_sock
+ remap_pfn_range
+ remove_cpu
+ remove_memory_subsection
+ remove_proc_entry
+ remove_wait_queue
+ report_iommu_fault
+ request_any_context_irq
+ request_firmware
+ request_firmware_into_buf
+ request_firmware_nowait
+ __request_module
+ __request_percpu_irq
+ __request_region
+ request_threaded_irq
+ resched_curr
+ reset_control_assert
+ reset_control_deassert
+ reset_control_put
+ reset_control_reset
+ resume_cpus
+ return_address
+ revalidate_disk_size
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_init_sw_state
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ rhashtable_free_and_destroy
+ rhashtable_insert_slow
+ rhltable_init
+ __rht_bucket_nested
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ rndis_deregister
+ rndis_free_response
+ rndis_get_next_response
+ rndis_msg_parser
+ rndis_register
+ rndis_set_host_mac
+ rndis_set_param_dev
+ rndis_set_param_medium
+ rndis_set_param_vendor
+ rndis_signal_connect
+ rndis_uninit
+ root_task_group
+ round_jiffies
+ round_jiffies_relative
+ round_jiffies_up
+ rpmsg_get_signals
+ rpmsg_poll
+ rpmsg_register_device
+ rpmsg_send
+ rpmsg_set_signals
+ rpmsg_trysend
+ rpmsg_unregister_device
+ rproc_add
+ rproc_add_subdev
+ rproc_alloc
+ rproc_boot
+ rproc_coredump
+ rproc_coredump_add_custom_segment
+ rproc_coredump_add_segment
+ rproc_coredump_cleanup
+ rproc_coredump_set_elf_info
+ rproc_coredump_using_sections
+ rproc_del
+ rproc_free
+ rproc_get_by_child
+ rproc_get_by_phandle
+ rproc_put
+ rproc_remove_subdev
+ rproc_report_crash
+ rproc_shutdown
+ rtc_ktime_to_tm
+ __rtc_register_device
+ rtc_time64_to_tm
+ rtc_tm_to_ktime
+ rtc_tm_to_time64
+ rtc_update_irq
+ rt_mutex_lock
+ rt_mutex_unlock
+ rtnl_is_locked
+ rtnl_link_register
+ rtnl_link_unregister
+ rtnl_lock
+ rtnl_register_module
+ rtnl_trylock
+ rtnl_unicast
+ rtnl_unlock
+ rtnl_unregister
+ runqueues
+ scatterwalk_ffwd
+ scatterwalk_map_and_copy
+ sched_clock
+ sched_feat_keys
+ sched_feat_names
+ sched_setattr
+ sched_set_fifo
+ sched_set_fifo_low
+ sched_set_normal
+ sched_setscheduler
+ sched_setscheduler_nocheck
+ sched_show_task
+ sched_trace_rd_span
+ sched_uclamp_used
+ schedule
+ schedule_hrtimeout
+ schedule_timeout
+ schedule_timeout_interruptible
+ schedule_timeout_uninterruptible
+ scmi_driver_register
+ scmi_driver_unregister
+ scmi_protocol_register
+ scmi_protocol_unregister
+ scnprintf
+ scsi_autopm_get_device
+ scsi_autopm_put_device
+ scsi_block_when_processing_errors
+ scsi_command_size_tbl
+ scsi_compat_ioctl
+ scsi_device_get
+ scsi_device_put
+ scsi_device_quiesce
+ scsi_ioctl
+ scsi_ioctl_block_when_processing_errors
+ __scsi_iterate_devices
+ scsi_normalize_sense
+ __scsi_print_sense
+ scsi_register_interface
+ scsi_remove_device
+ sdev_prefix_printk
+ __sdhci_add_host
+ sdhci_add_host
+ sdhci_cleanup_host
+ sdhci_cqe_disable
+ sdhci_cqe_enable
+ sdhci_cqe_irq
+ sdhci_enable_clk
+ sdhci_get_property
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_remove_host
+ sdhci_reset
+ sdhci_set_bus_width
+ sdhci_set_power_noreg
+ sdhci_setup_host
+ seq_buf_printf
+ seq_hex_dump
+ seq_lseek
+ seq_open
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ seq_vprintf
+ seq_write
+ set_cpus_allowed_ptr
+ set_normalized_timespec64
+ set_page_dirty_lock
+ __SetPageMovable
+ set_task_cpu
+ set_user_nice
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_copy_from_buffer
+ sg_copy_to_buffer
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ sg_next
+ __sg_page_iter_dma_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ sg_pcopy_from_buffer
+ sg_pcopy_to_buffer
+ sg_scsi_ioctl
+ shmem_file_setup
+ shmem_mark_page_lazyfree
+ shmem_read_mapping_page_gfp
+ shmem_truncate_range
+ show_rcu_gp_kthreads
+ show_regs
+ sigprocmask
+ si_mem_available
+ si_meminfo
+ simple_attr_open
+ simple_attr_read
+ simple_attr_release
+ simple_attr_write
+ simple_open
+ simple_read_from_buffer
+ simple_write_to_buffer
+ single_open
+ single_release
+ si_swapinfo
+ sk_alloc
+ skb_add_rx_frag
+ skb_append_pagefrags
+ skb_checksum
+ skb_checksum_help
+ skb_clone
+ skb_clone_sk
+ skb_coalesce_rx_frag
+ skb_complete_wifi_ack
+ skb_copy
+ skb_copy_bits
+ skb_copy_datagram_iter
+ skb_copy_expand
+ skb_dequeue
+ skb_dequeue_tail
+ skb_ensure_writable
+ skb_free_datagram
+ __skb_get_hash
+ __skb_gso_segment
+ __skb_pad
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_recv_datagram
+ skb_set_owner_w
+ skb_store_bits
+ skb_trim
+ sk_free
+ skip_spaces
+ smp_call_function
+ smp_call_function_any
+ smp_call_function_single
+ smp_call_function_single_async
+ snd_card_free
+ snd_card_new
+ snd_card_register
+ snd_info_create_card_entry
+ snd_info_create_module_entry
+ snd_info_free_entry
+ snd_info_register
+ snd_jack_set_key
+ snd_pcm_format_width
+ snd_pcm_hw_constraint_integer
+ snd_pcm_new
+ snd_pcm_period_elapsed
+ snd_pcm_set_managed_buffer_all
+ snd_pcm_set_ops
+ snd_pcm_stream_lock
+ _snd_pcm_stream_lock_irqsave
+ snd_pcm_stream_unlock
+ snd_pcm_stream_unlock_irqrestore
+ snd_soc_add_component_controls
+ snd_soc_card_get_kcontrol
+ snd_soc_card_jack_new
+ snd_soc_component_exit_regmap
+ snd_soc_component_init_regmap
+ snd_soc_component_read
+ snd_soc_component_update_bits
+ snd_soc_component_write
+ snd_soc_dai_get_channel_map
+ snd_soc_dai_set_channel_map
+ snd_soc_dapm_add_routes
+ snd_soc_dapm_disable_pin
+ snd_soc_dapm_force_enable_pin
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_ignore_suspend
+ snd_soc_dapm_kcontrol_widget
+ snd_soc_dapm_mixer_update_power
+ snd_soc_dapm_mux_update_power
+ snd_soc_dapm_new_controls
+ snd_soc_dapm_new_widgets
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_volsw
+ snd_soc_dapm_sync
+ snd_soc_get_enum_double
+ snd_soc_get_pcm_runtime
+ snd_soc_get_volsw
+ snd_soc_info_enum_double
+ snd_soc_info_multi_ext
+ snd_soc_info_volsw
+ snd_soc_jack_report
+ snd_soc_lookup_component
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_parse_card_name
+ snd_soc_pm_ops
+ snd_soc_put_enum_double
+ snd_soc_put_volsw
+ snd_soc_register_component
+ snd_soc_rtdcom_lookup
+ snd_soc_unregister_card
+ snd_soc_unregister_component
+ snd_usb_enable_audio_stream
+ snprintf
+ soc_device_register
+ soc_device_unregister
+ sock_alloc_send_skb
+ __sock_create
+ sock_create_kern
+ sock_gettstamp
+ sock_init_data
+ sock_no_accept
+ sock_no_listen
+ sock_no_mmap
+ sock_no_sendpage
+ sock_no_shutdown
+ sock_no_socketpair
+ sock_queue_rcv_skb
+ sock_register
+ sock_release
+ sock_setsockopt
+ sock_unregister
+ softnet_data
+ sort
+ __spi_alloc_controller
+ spi_register_controller
+ __spi_register_driver
+ spi_setup
+ spi_sync
+ spi_unregister_controller
+ split_page
+ spmi_controller_add
+ spmi_controller_alloc
+ spmi_controller_remove
+ __spmi_driver_register
+ spmi_ext_register_read
+ spmi_ext_register_readl
+ spmi_ext_register_write
+ spmi_ext_register_writel
+ spmi_register_read
+ spmi_register_write
+ spmi_register_zero_write
+ sprintf
+ sprint_symbol
+ srcu_barrier
+ srcu_batches_completed
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+ __srcu_read_lock
+ __srcu_read_unlock
+ srcutorture_get_gp_data
+ srcu_torture_stats_print
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ stack_depot_fetch
+ stack_trace_print
+ stack_trace_save
+ static_key_disable
+ static_key_disable_cpuslocked
+ stop_machine
+ stop_one_cpu_nowait
+ strcasecmp
+ strchr
+ strchrnul
+ strcmp
+ strcpy
+ strim
+ strlcat
+ strlcpy
+ strlen
+ strncasecmp
+ strnchr
+ strncmp
+ strncpy
+ strncpy_from_user
+ strnlen
+ strnstr
+ strpbrk
+ strrchr
+ strreplace
+ strscpy
+ strsep
+ strstr
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ synchronize_net
+ synchronize_rcu
+ synchronize_rcu_expedited
+ synchronize_rcu_tasks
+ synchronize_rcu_tasks_trace
+ synchronize_srcu
+ synchronize_srcu_expedited
+ synth_event_create
+ synth_event_delete
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_phandle
+ sysctl_sched_features
+ sysctl_sched_latency
+ sysctl_vals
+ sysfs_add_file_to_group
+ sysfs_add_link_to_group
+ sysfs_create_bin_file
+ sysfs_create_file_ns
+ sysfs_create_files
+ sysfs_create_group
+ sysfs_create_groups
+ sysfs_create_link
+ sysfs_emit
+ __sysfs_match_string
+ sysfs_notify
+ sysfs_remove_bin_file
+ sysfs_remove_file_from_group
+ sysfs_remove_file_ns
+ sysfs_remove_files
+ sysfs_remove_group
+ sysfs_remove_groups
+ sysfs_remove_link
+ sysfs_remove_link_from_group
+ sysfs_streq
+ sysrq_mask
+ system_freezable_wq
+ system_freezing_cnt
+ system_highpri_wq
+ system_long_wq
+ system_power_efficient_wq
+ system_state
+ system_unbound_wq
+ system_wq
+ sys_tz
+ task_active_pid_ns
+ task_groups
+ __tasklet_hi_schedule
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ tasklet_setup
+ tasklist_lock
+ task_may_not_preempt
+ __task_pid_nr_ns
+ __task_rq_lock
+ thermal_cooling_device_register
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+ thermal_pressure
+ thermal_zone_device_enable
+ thermal_zone_device_register
+ thermal_zone_device_unregister
+ thermal_zone_device_update
+ thermal_zone_get_slope
+ thermal_zone_get_temp
+ thermal_zone_get_zone_by_name
+ thermal_zone_of_sensor_register
+ thermal_zone_of_sensor_unregister
+ tick_nohz_get_sleep_length
+ time64_to_tm
+ timer_unstable_counter_workaround
+ topology_set_thermal_pressure
+ topology_update_done
+ _totalram_pages
+ total_swapcache_pages
+ trace_array_get_by_name
+ trace_array_put
+ trace_array_set_clr_event
+ __trace_bprintk
+ __trace_bputs
+ trace_clock_local
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_get_event_file
+ trace_handle_return
+ __traceiter_android_rvh_account_irq
+ __traceiter_android_rvh_after_dequeue_task
+ __traceiter_android_rvh_after_enqueue_task
+ __traceiter_android_rvh_build_perf_domains
+ __traceiter_android_rvh_can_migrate_task
+ __traceiter_android_rvh_cgroup_force_kthread_migration
+ __traceiter_android_rvh_check_preempt_wakeup
+ __traceiter_android_rvh_cpu_cgroup_attach
+ __traceiter_android_rvh_cpu_cgroup_online
+ __traceiter_android_rvh_cpufreq_transition
+ __traceiter_android_rvh_dequeue_task
+ __traceiter_android_rvh_do_sched_yield
+ __traceiter_android_rvh_enqueue_task
+ __traceiter_android_rvh_find_busiest_queue
+ __traceiter_android_rvh_find_lowest_rq
+ __traceiter_android_rvh_flush_task
+ __traceiter_android_rvh_force_compatible_post
+ __traceiter_android_rvh_force_compatible_pre
+ __traceiter_android_rvh_gic_v3_set_affinity
+ __traceiter_android_rvh_irqs_disable
+ __traceiter_android_rvh_irqs_enable
+ __traceiter_android_rvh_migrate_queued_task
+ __traceiter_android_rvh_new_task_stats
+ __traceiter_android_rvh_pick_next_entity
+ __traceiter_android_rvh_place_entity
+ __traceiter_android_rvh_preempt_disable
+ __traceiter_android_rvh_preempt_enable
+ __traceiter_android_rvh_replace_next_task_fair
+ __traceiter_android_rvh_resume_cpus
+ __traceiter_android_rvh_sched_balance_rt
+ __traceiter_android_rvh_sched_cpu_dying
+ __traceiter_android_rvh_sched_cpu_starting
+ __traceiter_android_rvh_sched_exec
+ __traceiter_android_rvh_sched_fork
+ __traceiter_android_rvh_sched_fork_init
+ __traceiter_android_rvh_sched_newidle_balance
+ __traceiter_android_rvh_sched_nohz_balancer_kick
+ __traceiter_android_rvh_sched_setaffinity
+ __traceiter_android_rvh_schedule
+ __traceiter_android_rvh_schedule_bug
+ __traceiter_android_rvh_select_task_rq_fair
+ __traceiter_android_rvh_select_task_rq_rt
+ __traceiter_android_rvh_set_balance_anon_file_reclaim
+ __traceiter_android_rvh_set_gfp_zone_flags
+ __traceiter_android_rvh_set_readahead_gfp_mask
+ __traceiter_android_rvh_set_skip_swapcache_flags
+ __traceiter_android_rvh_set_task_cpu
+ __traceiter_android_rvh_show_max_freq
+ __traceiter_android_rvh_tick_entry
+ __traceiter_android_rvh_try_to_wake_up
+ __traceiter_android_rvh_try_to_wake_up_success
+ __traceiter_android_rvh_ttwu_cond
+ __traceiter_android_rvh_update_cpu_capacity
+ __traceiter_android_rvh_update_cpus_allowed
+ __traceiter_android_rvh_update_misfit_status
+ __traceiter_android_rvh_wake_up_new_task
+ __traceiter_android_vh_allow_domain_state
+ __traceiter_android_vh_binder_restore_priority
+ __traceiter_android_vh_binder_set_priority
+ __traceiter_android_vh_binder_transaction_init
+ __traceiter_android_vh_binder_wakeup_ilocked
+ __traceiter_android_vh_cpu_idle_enter
+ __traceiter_android_vh_cpu_idle_exit
+ __traceiter_android_vh_cpuidle_psci_enter
+ __traceiter_android_vh_cpuidle_psci_exit
+ __traceiter_android_vh_dump_throttled_rt_tasks
+ __traceiter_android_vh_freq_table_limits
+ __traceiter_android_vh_ftrace_dump_buffer
+ __traceiter_android_vh_ftrace_format_check
+ __traceiter_android_vh_ftrace_oops_enter
+ __traceiter_android_vh_ftrace_oops_exit
+ __traceiter_android_vh_ftrace_size_check
+ __traceiter_android_vh_gic_resume
+ __traceiter_android_vh_gpio_block_read
+ __traceiter_android_vh_iommu_setup_dma_ops
+ __traceiter_android_vh_ipi_stop
+ __traceiter_android_vh_jiffies_update
+ __traceiter_android_vh_logbuf
+ __traceiter_android_vh_logbuf_pr_cont
+ __traceiter_android_vh_printk_hotplug
+ __traceiter_android_vh_rproc_recovery
+ __traceiter_android_vh_rproc_recovery_set
+ __traceiter_android_vh_scheduler_tick
+ __traceiter_android_vh_show_max_freq
+ __traceiter_android_vh_show_resume_epoch_val
+ __traceiter_android_vh_show_suspend_epoch_val
+ __traceiter_android_vh_timer_calc_index
+ __traceiter_android_vh_ufs_check_int_errors
+ __traceiter_android_vh_ufs_clock_scaling
+ __traceiter_android_vh_ufs_compl_command
+ __traceiter_android_vh_ufs_fill_prdt
+ __traceiter_android_vh_ufs_prepare_command
+ __traceiter_android_vh_ufs_send_command
+ __traceiter_android_vh_ufs_send_tm_command
+ __traceiter_android_vh_ufs_send_uic_command
+ __traceiter_android_vh_ufs_update_sdev
+ __traceiter_android_vh_ufs_update_sysfs
+ __traceiter_android_vh_update_topology_flags_workfn
+ __traceiter_binder_transaction_received
+ __traceiter_cpu_frequency
+ __traceiter_cpu_frequency_limits
+ __traceiter_cpu_idle
+ __traceiter_gpu_mem_total
+ __traceiter_ipi_entry
+ __traceiter_ipi_raise
+ __traceiter_irq_handler_entry
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __traceiter_sched_overutilized_tp
+ __traceiter_sched_switch
+ __traceiter_suspend_resume
+ __tracepoint_android_rvh_account_irq
+ __tracepoint_android_rvh_after_dequeue_task
+ __tracepoint_android_rvh_after_enqueue_task
+ __tracepoint_android_rvh_build_perf_domains
+ __tracepoint_android_rvh_can_migrate_task
+ __tracepoint_android_rvh_cgroup_force_kthread_migration
+ __tracepoint_android_rvh_check_preempt_wakeup
+ __tracepoint_android_rvh_cpu_cgroup_attach
+ __tracepoint_android_rvh_cpu_cgroup_online
+ __tracepoint_android_rvh_cpufreq_transition
+ __tracepoint_android_rvh_dequeue_task
+ __tracepoint_android_rvh_do_sched_yield
+ __tracepoint_android_rvh_enqueue_task
+ __tracepoint_android_rvh_find_busiest_queue
+ __tracepoint_android_rvh_find_lowest_rq
+ __tracepoint_android_rvh_flush_task
+ __tracepoint_android_rvh_force_compatible_post
+ __tracepoint_android_rvh_force_compatible_pre
+ __tracepoint_android_rvh_gic_v3_set_affinity
+ __tracepoint_android_rvh_irqs_disable
+ __tracepoint_android_rvh_irqs_enable
+ __tracepoint_android_rvh_migrate_queued_task
+ __tracepoint_android_rvh_new_task_stats
+ __tracepoint_android_rvh_pick_next_entity
+ __tracepoint_android_rvh_place_entity
+ __tracepoint_android_rvh_preempt_disable
+ __tracepoint_android_rvh_preempt_enable
+ __tracepoint_android_rvh_replace_next_task_fair
+ __tracepoint_android_rvh_resume_cpus
+ __tracepoint_android_rvh_sched_balance_rt
+ __tracepoint_android_rvh_sched_cpu_dying
+ __tracepoint_android_rvh_sched_cpu_starting
+ __tracepoint_android_rvh_sched_exec
+ __tracepoint_android_rvh_sched_fork
+ __tracepoint_android_rvh_sched_fork_init
+ __tracepoint_android_rvh_sched_newidle_balance
+ __tracepoint_android_rvh_sched_nohz_balancer_kick
+ __tracepoint_android_rvh_sched_setaffinity
+ __tracepoint_android_rvh_schedule
+ __tracepoint_android_rvh_schedule_bug
+ __tracepoint_android_rvh_select_task_rq_fair
+ __tracepoint_android_rvh_select_task_rq_rt
+ __tracepoint_android_rvh_set_balance_anon_file_reclaim
+ __tracepoint_android_rvh_set_gfp_zone_flags
+ __tracepoint_android_rvh_set_readahead_gfp_mask
+ __tracepoint_android_rvh_set_skip_swapcache_flags
+ __tracepoint_android_rvh_set_task_cpu
+ __tracepoint_android_rvh_show_max_freq
+ __tracepoint_android_rvh_tick_entry
+ __tracepoint_android_rvh_try_to_wake_up
+ __tracepoint_android_rvh_try_to_wake_up_success
+ __tracepoint_android_rvh_ttwu_cond
+ __tracepoint_android_rvh_update_cpu_capacity
+ __tracepoint_android_rvh_update_cpus_allowed
+ __tracepoint_android_rvh_update_misfit_status
+ __tracepoint_android_rvh_wake_up_new_task
+ __tracepoint_android_vh_allow_domain_state
+ __tracepoint_android_vh_alter_rwsem_list_add
+ __tracepoint_android_vh_binder_restore_priority
+ __tracepoint_android_vh_binder_set_priority
+ __tracepoint_android_vh_binder_transaction_init
+ __tracepoint_android_vh_binder_wakeup_ilocked
+ __tracepoint_android_vh_check_uninterruptible_tasks
+ __tracepoint_android_vh_check_uninterruptible_tasks_dn
+ __tracepoint_android_vh_cpu_idle_enter
+ __tracepoint_android_vh_cpu_idle_exit
+ __tracepoint_android_vh_cpuidle_psci_enter
+ __tracepoint_android_vh_cpuidle_psci_exit
+ __tracepoint_android_vh_dump_throttled_rt_tasks
+ __tracepoint_android_vh_freq_table_limits
+ __tracepoint_android_vh_ftrace_dump_buffer
+ __tracepoint_android_vh_ftrace_format_check
+ __tracepoint_android_vh_ftrace_oops_enter
+ __tracepoint_android_vh_ftrace_oops_exit
+ __tracepoint_android_vh_ftrace_size_check
+ __tracepoint_android_vh_gic_resume
+ __tracepoint_android_vh_gpio_block_read
+ __tracepoint_android_vh_iommu_setup_dma_ops
+ __tracepoint_android_vh_ipi_stop
+ __tracepoint_android_vh_jiffies_update
+ __tracepoint_android_vh_logbuf
+ __tracepoint_android_vh_logbuf_pr_cont
+ __tracepoint_android_vh_oom_check_panic
+ __tracepoint_android_vh_printk_hotplug
+ __tracepoint_android_vh_process_killed
+ __tracepoint_android_vh_psi_event
+ __tracepoint_android_vh_psi_group
+ __tracepoint_android_vh_rproc_recovery
+ __tracepoint_android_vh_rproc_recovery_set
+ __tracepoint_android_vh_scheduler_tick
+ __tracepoint_android_vh_shmem_alloc_page
+ __tracepoint_android_vh_show_max_freq
+ __tracepoint_android_vh_show_resume_epoch_val
+ __tracepoint_android_vh_show_suspend_epoch_val
+ __tracepoint_android_vh_timer_calc_index
+ __tracepoint_android_vh_ufs_check_int_errors
+ __tracepoint_android_vh_ufs_clock_scaling
+ __tracepoint_android_vh_ufs_compl_command
+ __tracepoint_android_vh_ufs_fill_prdt
+ __tracepoint_android_vh_ufs_prepare_command
+ __tracepoint_android_vh_ufs_send_command
+ __tracepoint_android_vh_ufs_send_tm_command
+ __tracepoint_android_vh_ufs_send_uic_command
+ __tracepoint_android_vh_ufs_update_sdev
+ __tracepoint_android_vh_ufs_update_sysfs
+ __tracepoint_android_vh_update_topology_flags_workfn
+ __tracepoint_binder_transaction_received
+ __tracepoint_cpu_frequency
+ __tracepoint_cpu_frequency_limits
+ __tracepoint_cpu_idle
+ __tracepoint_gpu_mem_total
+ __tracepoint_ipi_entry
+ __tracepoint_ipi_raise
+ __tracepoint_irq_handler_entry
+ tracepoint_probe_register
+ tracepoint_probe_register_prio
+ tracepoint_probe_unregister
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __tracepoint_sched_overutilized_tp
+ __tracepoint_sched_switch
+ __tracepoint_suspend_resume
+ trace_print_array_seq
+ trace_print_flags_seq
+ trace_print_hex_seq
+ __trace_printk
+ trace_print_symbols_seq
+ trace_raw_output_prep
+ trace_seq_printf
+ trace_seq_putc
+ tracing_off
+ try_module_get
+ try_wait_for_completion
+ tty_flip_buffer_push
+ __tty_insert_flip_char
+ tty_insert_flip_string_fixed_flag
+ typec_altmode_get_partner
+ typec_altmode_update_active
+ typec_get_drvdata
+ typec_partner_register_altmode
+ typec_port_register_altmode
+ typec_register_partner
+ typec_register_port
+ typec_set_data_role
+ typec_set_pwr_opmode
+ typec_set_pwr_role
+ typec_unregister_altmode
+ typec_unregister_partner
+ typec_unregister_port
+ uart_add_one_port
+ uart_console_device
+ uart_console_write
+ uart_get_baud_rate
+ uart_insert_char
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ uclamp_eff_value
+ ucsi_connector_change
+ ucsi_create
+ ucsi_destroy
+ ucsi_get_drvdata
+ ucsi_register
+ ucsi_set_drvdata
+ ucsi_unregister
+ __udelay
+ ufshcd_auto_hibern8_update
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_dump_regs
+ ufshcd_fixup_dev_quirks
+ ufshcd_get_local_unipro_ver
+ ufshcd_hold
+ ufshcd_pltfrm_init
+ ufshcd_pltfrm_resume
+ ufshcd_pltfrm_runtime_idle
+ ufshcd_pltfrm_runtime_resume
+ ufshcd_pltfrm_runtime_suspend
+ ufshcd_pltfrm_shutdown
+ ufshcd_pltfrm_suspend
+ ufshcd_query_attr
+ ufshcd_query_descriptor_retry
+ ufshcd_query_flag
+ ufshcd_release
+ ufshcd_remove
+ ufshcd_shutdown
+ ufshcd_uic_hibern8_enter
+ ufshcd_uic_hibern8_exit
+ __uio_register_device
+ uio_unregister_device
+ unlock_page
+ unmap_mapping_range
+ unregister_blkdev
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_console
+ unregister_die_notifier
+ unregister_ftrace_export
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+ unregister_kprobe
+ unregister_kretprobe
+ unregister_module_notifier
+ unregister_netdev
+ unregister_netdevice_many
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_netevent_notifier
+ unregister_oom_notifier
+ unregister_pernet_device
+ unregister_pm_notifier
+ unregister_qdisc
+ unregister_reboot_notifier
+ unregister_restart_handler
+ unregister_rpmsg_driver
+ unregister_shrinker
+ unregister_syscore_ops
+ unregister_sysctl_table
+ up
+ update_devfreq
+ update_rq_clock
+ up_read
+ up_write
+ usb_add_gadget
+ usb_add_gadget_udc
+ usb_add_phy_dev
+ usb_alloc_coherent
+ usb_alloc_dev
+ usb_alloc_urb
+ usb_amd_dev_put
+ usb_amd_pt_check_port
+ usb_amd_quirk_pll_check
+ usb_amd_quirk_pll_disable
+ usb_amd_quirk_pll_enable
+ usb_asmedia_modifyflowcontrol
+ usb_assign_descriptors
+ usb_autopm_get_interface
+ usb_autopm_put_interface
+ usb_bulk_msg
+ usb_composite_setup_continue
+ usb_control_msg
+ __usb_create_hcd
+ usb_debug_root
+ usb_decode_ctrl
+ usb_del_gadget_udc
+ usb_deregister
+ usb_disabled
+ usb_disable_xhci_ports
+ usb_enable_intel_xhci_ports
+ usb_ep_alloc_request
+ usb_ep_autoconfig
+ usb_ep_dequeue
+ usb_ep_disable
+ usb_ep_enable
+ usb_ep_free_request
+ usb_ep_queue
+ usb_ep_set_halt
+ usb_ep_set_maxpacket_limit
+ usb_find_common_endpoints
+ usb_free_all_descriptors
+ usb_free_coherent
+ usb_free_urb
+ usb_function_register
+ usb_function_unregister
+ usb_gadget_giveback_request
+ usb_gadget_map_request_by_dev
+ usb_gadget_set_state
+ usb_gadget_udc_reset
+ usb_gadget_unmap_request_by_dev
+ usb_gadget_vbus_connect
+ usb_gadget_vbus_disconnect
+ usb_gadget_vbus_draw
+ usb_gadget_wakeup
+ usb_get_dr_mode
+ usb_get_maximum_speed
+ usb_get_urb
+ usb_gstrings_attach
+ usb_hcd_end_port_resume
+ usb_hc_died
+ usb_hcd_irq
+ usb_hcd_map_urb_for_dma
+ usb_hcd_pci_pm_ops
+ usb_hcd_pci_probe
+ usb_hcd_pci_remove
+ usb_hcd_pci_shutdown
+ usb_hcd_platform_shutdown
+ usb_hcd_start_port_resume
+ usb_hub_clear_tt_buffer
+ usb_hub_find_child
+ usb_ifnum_to_if
+ usb_initialize_gadget
+ usb_interface_id
+ usb_kill_urb
+ usb_phy_set_charger_current
+ usb_poison_urb
+ usb_put_dev
+ usb_put_function_instance
+ usb_register_driver
+ usb_register_notify
+ usb_remove_phy
+ usb_role_switch_find_by_fwnode
+ usb_role_switch_get_drvdata
+ usb_role_switch_register
+ usb_role_switch_set_role
+ usb_role_switch_unregister
+ usb_root_hub_lost_power
+ usb_set_device_state
+ usb_speed_string
+ usb_string_id
+ usb_submit_urb
+ usb_unregister_notify
+ usb_wakeup_notification
+ __usecs_to_jiffies
+ usleep_range
+ v4l2_compat_ioctl32
+ v4l2_ctrl_find
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_new_custom
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu
+ v4l2_device_register
+ v4l2_device_register_subdev
+ __v4l2_device_register_subdev_nodes
+ v4l2_device_unregister
+ v4l2_device_unregister_subdev
+ v4l2_event_dequeue
+ v4l2_event_pending
+ v4l2_event_queue
+ v4l2_event_queue_fh
+ v4l2_event_subscribe
+ v4l2_event_unsubscribe
+ v4l2_fh_add
+ v4l2_fh_del
+ v4l2_fh_exit
+ v4l2_fh_init
+ v4l2_fh_open
+ v4l2_fh_release
+ v4l2_s_ctrl
+ v4l2_subdev_call_wrappers
+ v4l2_subdev_init
+ vabits_actual
+ vb2_buffer_done
+ vb2_dqbuf
+ vb2_qbuf
+ vb2_queue_init
+ vb2_queue_release
+ vb2_reqbufs
+ vb2_streamoff
+ vb2_streamon
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+ verify_pkcs7_signature
+ vfree
+ video_devdata
+ video_device_alloc
+ video_device_release
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ vmalloc
+ vmalloc_nr_pages
+ vmalloc_to_page
+ vmalloc_to_pfn
+ vmap
+ vmemdup_user
+ vm_event_states
+ vmf_insert_mixed
+ vmf_insert_pfn
+ vm_get_page_prot
+ vm_insert_page
+ vm_iomap_memory
+ vm_map_pages
+ vm_memory_committed
+ vm_mmap
+ vm_munmap
+ vm_node_stat
+ vm_zone_stat
+ vprintk
+ vscnprintf
+ vsnprintf
+ vsock_addr_init
+ vsock_remove_sock
+ vunmap
+ vzalloc
+ wait_for_completion
+ wait_for_completion_interruptible
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_killable
+ wait_for_completion_timeout
+ __wait_rcu_gp
+ wait_woken
+ __wake_up
+ wake_up_if_idle
+ __wake_up_locked
+ wake_up_process
+ wakeup_source_register
+ wakeup_source_unregister
+ __warn_printk
+ wireless_nlevent_flush
+ wireless_send_event
+ woken_wake_function
+ work_busy
+ ww_mutex_lock
+ ww_mutex_unlock
+ __xa_alloc
+ xa_destroy
+ xa_erase
+ xa_find
+ xa_find_after
+ xa_load
+ xa_store
+ __xfrm_decode_session
+ xfrm_lookup
+ xfrm_output
+ xhci_alloc_command
+ xhci_alloc_erst
+ xhci_free_command
+ xhci_free_erst
+ xhci_get_endpoint_index
+ xhci_queue_stop_endpoint
+ xhci_ring_alloc
+ xhci_ring_cmd_db
+ xhci_ring_free
+ xhci_trb_virt_to_dma
+ zone_watermark_ok
+ zone_watermark_ok_safe
diff --git a/android/abi_gki_aarch64_rockchip b/android/abi_gki_aarch64_rockchip
new file mode 100644
index 0000000..dd78baf
--- /dev/null
+++ b/android/abi_gki_aarch64_rockchip
@@ -0,0 +1,2081 @@
+[abi_symbol_list]
+# commonly used symbols
+ add_timer
+ add_uevent_var
+ aes_encrypt
+ alloc_chrdev_region
+ __alloc_disk_node
+ __alloc_pages_nodemask
+ alloc_workqueue
+ __arch_copy_from_user
+ __arch_copy_to_user
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_smc
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ bdget_disk
+ bdput
+ __bitmap_set
+ blk_cleanup_queue
+ blk_execute_rq_nowait
+ blk_mq_free_request
+ blk_mq_init_queue
+ blk_mq_quiesce_queue
+ blk_mq_tagset_busy_iter
+ blk_mq_tagset_wait_completed_request
+ blk_mq_unquiesce_queue
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_rq_map_user
+ blk_rq_unmap_user
+ cancel_delayed_work_sync
+ cancel_work_sync
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ __check_object_size
+ __class_create
+ class_destroy
+ class_for_each_device
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_prepare
+ clk_bulk_unprepare
+ clk_disable
+ clk_enable
+ clk_get
+ __clk_get_name
+ clk_get_parent
+ clk_get_rate
+ clk_hw_get_flags
+ clk_hw_get_name
+ clk_hw_get_parent
+ clk_hw_get_rate
+ __clk_mux_determine_rate
+ clk_notifier_register
+ clk_notifier_unregister
+ clk_prepare
+ clk_put
+ clk_register
+ clk_round_rate
+ clk_set_phase
+ clk_set_rate
+ clk_unprepare
+ clk_unregister
+ cma_alloc
+ cma_release
+ compat_ptr_ioctl
+ complete
+ completion_done
+ __const_udelay
+ __cpufreq_driver_target
+ cpufreq_generic_suspend
+ cpufreq_register_governor
+ cpufreq_register_notifier
+ cpufreq_unregister_governor
+ cpu_have_feature
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpumask_next
+ cpu_number
+ __cpu_online_mask
+ __cpu_possible_mask
+ cpus_read_lock
+ cpus_read_unlock
+ crypto_destroy_tfm
+ crypto_inc
+ __crypto_memneq
+ crypto_register_aead
+ crypto_register_alg
+ crypto_register_scomp
+ crypto_register_shash
+ crypto_unregister_aead
+ crypto_unregister_alg
+ crypto_unregister_scomp
+ crypto_unregister_shash
+ __crypto_xor
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_regset32
+ debugfs_remove
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ desc_to_gpio
+ destroy_workqueue
+ dev_driver_string
+ _dev_err
+ dev_err_probe
+ devfreq_recommended_opp
+ dev_fwnode
+ device_add_disk
+ device_create
+ device_destroy
+ device_get_child_node_count
+ device_get_next_child_node
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_link_del
+ device_property_present
+ device_property_read_string
+ device_property_read_u32_array
+ _dev_info
+ devm_add_action
+ devm_clk_bulk_get
+ devm_clk_bulk_get_all
+ devm_clk_get
+ devm_clk_get_optional
+ devm_clk_hw_register
+ devm_clk_register
+ devm_devfreq_add_device
+ devm_devfreq_event_add_edev
+ devm_devfreq_register_opp_notifier
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_free_irq
+ devm_fwnode_gpiod_get_index
+ devm_get_clk_from_child
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_gpiod_get_index
+ devm_gpiod_get_index_optional
+ devm_gpiod_get_optional
+ devm_gpio_request
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_kstrdup
+ devm_led_classdev_register_ext
+ devm_mfd_add_devices
+ devm_nvmem_register
+ devm_of_clk_add_hw_provider
+ __devm_of_phy_provider_register
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_get
+ devm_pinctrl_register
+ devm_platform_get_and_ioremap_resource
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ devm_power_supply_register
+ devm_pwm_get
+ devm_regmap_field_alloc
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_optional
+ devm_regulator_register
+ devm_request_threaded_irq
+ devm_reset_control_array_get
+ __devm_reset_control_get
+ devm_snd_dmaengine_pcm_register
+ devm_snd_soc_register_component
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_get_sharing_cpus
+ dev_pm_opp_put
+ dev_pm_opp_remove
+ devres_add
+ devres_alloc_node
+ devres_free
+ dev_set_name
+ _dev_warn
+ disable_irq
+ dma_alloc_attrs
+ dma_buf_attach
+ dma_buf_detach
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_map_attachment
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dma_free_attrs
+ dma_get_sgtable_attrs
+ dma_heap_add
+ dma_heap_get_name
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_sg_attrs
+ dmam_free_coherent
+ dma_mmap_attrs
+ dma_release_channel
+ dma_request_chan
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_sg_attrs
+ down_read
+ down_write
+ driver_unregister
+ drm_add_edid_modes
+ drm_atomic_get_crtc_state
+ drm_atomic_get_new_connector_for_encoder
+ drm_atomic_helper_bridge_destroy_state
+ drm_atomic_helper_bridge_duplicate_state
+ drm_atomic_helper_bridge_reset
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ drm_bridge_add
+ drm_bridge_attach
+ drm_bridge_remove
+ drm_compat_ioctl
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_init_with_ddc
+ drm_connector_update_edid_property
+ __drm_dbg
+ drm_detect_hdmi_monitor
+ drm_detect_monitor_audio
+ drm_dev_alloc
+ drm_dev_dbg
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_unregister
+ drm_display_info_set_bus_formats
+ drm_dp_bw_code_to_link_rate
+ __drm_err
+ drm_gem_dumb_map_offset
+ drm_gem_handle_create
+ drm_gem_mmap
+ drm_gem_mmap_obj
+ drm_gem_object_free
+ drm_gem_object_init
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_vm_close
+ drm_get_edid
+ drm_hdmi_avi_infoframe_from_display_mode
+ drm_hdmi_vendor_infoframe_from_display_mode
+ drm_helper_hpd_irq_event
+ drm_helper_probe_single_connector_modes
+ drm_ioctl
+ drm_match_cea_mode
+ drm_mode_copy
+ drm_mode_create
+ drm_mode_duplicate
+ drm_mode_probed_add
+ drm_mode_set_name
+ drm_mode_vrefresh
+ drm_object_attach_property
+ drm_of_find_panel_or_bridge
+ drm_open
+ drm_panel_disable
+ drm_panel_enable
+ drm_panel_get_modes
+ drm_panel_prepare
+ drm_panel_unprepare
+ drm_poll
+ drm_prime_gem_destroy
+ drm_prime_pages_to_sg
+ drm_prime_sg_to_page_addr_arrays
+ drm_read
+ drm_release
+ dummy_irq_chip
+ enable_irq
+ extcon_get_edev_by_phandle
+ extcon_get_state
+ extcon_register_notifier
+ extcon_set_state_sync
+ extcon_unregister_notifier
+ failure_tracking
+ find_next_bit
+ find_next_zero_bit
+ finish_wait
+ flush_delayed_work
+ flush_work
+ flush_workqueue
+ fpsimd_context_busy
+ frame_vector_to_pages
+ free_irq
+ __free_pages
+ free_pages
+ fwnode_handle_put
+ fwnode_property_present
+ fwnode_property_read_string
+ fwnode_property_read_u32_array
+ gcd
+ generic_handle_irq
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_free_owner
+ get_cpu_device
+ get_device
+ gic_nonsecure_priorities
+ gpiochip_add_pin_range
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiod_cansleep
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_get_optional
+ gpiod_get_raw_value
+ gpiod_get_value
+ gpiod_get_value_cansleep
+ gpiod_set_consumer_name
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_to_desc
+ handle_nested_irq
+ handle_simple_irq
+ hid_debug
+ hid_hw_close
+ hid_hw_open
+ hid_hw_start
+ hid_hw_stop
+ hid_open_report
+ __hid_register_driver
+ __hid_request
+ hid_unregister_driver
+ hid_validate_values
+ i2c_adapter_type
+ i2c_add_adapter
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_get_adapter
+ i2c_put_adapter
+ i2c_register_driver
+ i2c_smbus_read_byte_data
+ __i2c_smbus_xfer
+ i2c_smbus_xfer
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ idr_alloc
+ idr_destroy
+ idr_find
+ idr_preload
+ idr_remove
+ iio_buffer_init
+ iio_buffer_put
+ __init_rwsem
+ __init_swait_queue_head
+ init_timer_key
+ init_wait_entry
+ __init_waitqueue_head
+ input_event
+ input_ff_create_memless
+ input_register_device
+ input_set_abs_params
+ iommu_attach_device
+ iommu_detach_device
+ iommu_get_domain_for_dev
+ __ioremap
+ iounmap
+ irq_create_mapping_affinity
+ __irq_domain_add
+ irq_domain_remove
+ irq_find_mapping
+ irq_get_irq_data
+ irq_modify_status
+ irq_set_chained_handler_and_data
+ irq_set_chip
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irq_type
+ irq_set_irq_wake
+ is_vmalloc_addr
+ jiffies
+ jiffies_to_msecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_neon_begin
+ kernel_neon_end
+ __kfifo_alloc
+ __kfifo_free
+ __kfifo_in
+ __kfifo_out
+ kfree
+ kfree_const
+ __kmalloc
+ kmalloc_caches
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kstrdup_const
+ kstrtoint
+ kstrtouint
+ kstrtoull
+ ktime_get
+ ktime_get_mono_fast_ns
+ ktime_get_with_offset
+ kvfree
+ kvmalloc_node
+ led_classdev_register_ext
+ led_classdev_unregister
+ led_set_brightness_nosleep
+ led_trigger_register
+ led_trigger_unregister
+ __list_add_valid
+ __list_del_entry_valid
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ lzo1x_decompress_safe
+ media_create_pad_link
+ media_device_init
+ __media_device_register
+ media_device_unregister
+ media_entity_pads_init
+ media_entity_remote_pad
+ media_graph_walk_cleanup
+ media_graph_walk_init
+ media_graph_walk_next
+ media_graph_walk_start
+ media_pipeline_start
+ media_pipeline_stop
+ memcpy
+ memdup_user
+ memset
+ memstart_addr
+ mfd_remove_devices
+ mmc_of_parse
+ mod_delayed_work_on
+ mod_timer
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_unlock
+ no_llseek
+ noop_llseek
+ nr_cpu_ids
+ ns_to_timespec64
+ nvmem_cell_put
+ nvmem_cell_read
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_get
+ of_clk_get_by_name
+ of_clk_src_onecell_get
+ of_clk_src_simple_get
+ of_count_phandle_with_args
+ of_devfreq_cooling_register_power
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_find_device_by_node
+ of_find_node_by_name
+ of_find_property
+ of_get_child_by_name
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_parent
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_remote_node
+ of_graph_parse_endpoint
+ of_iomap
+ of_irq_get_byname
+ of_machine_is_compatible
+ of_match_device
+ of_match_node
+ of_node_name_eq
+ of_nvmem_cell_get
+ of_parse_phandle
+ of_phy_simple_xlate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_variable_u32_array
+ of_regulator_match
+ of_reserved_mem_device_init_by_idx
+ of_usb_get_dr_mode_by_phy
+ __page_pinner_migration_failed
+ panic_notifier_list
+ param_ops_bool
+ param_ops_int
+ param_ops_string
+ param_ops_uint
+ PDE_DATA
+ __per_cpu_offset
+ pfn_valid
+ phy_configure
+ phy_exit
+ phy_init
+ phy_power_off
+ phy_power_on
+ phy_set_mode_ext
+ pinconf_generic_dt_node_to_map
+ pinctrl_dev_get_drvdata
+ pinctrl_gpio_direction_input
+ pinctrl_gpio_direction_output
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_select_state
+ pinctrl_utils_free_map
+ platform_bus_type
+ platform_device_put
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_probe
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_resource
+ platform_get_resource_byname
+ pm_power_off
+ __pm_relax
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ pm_runtime_get_if_active
+ __pm_runtime_idle
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ pm_wakeup_ws_event
+ power_supply_changed
+ power_supply_class
+ power_supply_get_drvdata
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ proc_create_data
+ put_device
+ put_disk
+ __put_page
+ __put_task_struct
+ pwm_adjust_config
+ pwm_apply_state
+ queue_delayed_work_on
+ queue_work_on
+ ___ratelimit
+ rational_best_approximation
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ rdev_get_drvdata
+ rdev_get_id
+ refcount_warn_saturate
+ regcache_cache_only
+ regcache_mark_dirty
+ regcache_sync
+ __register_chrdev
+ register_chrdev_region
+ register_reboot_notifier
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_field_read
+ regmap_field_update_bits_base
+ regmap_irq_get_domain
+ regmap_irq_get_virq
+ regmap_raw_write
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_bulk_disable
+ regulator_bulk_enable
+ regulator_disable
+ regulator_disable_regmap
+ regulator_enable
+ regulator_enable_regmap
+ regulator_get_voltage
+ regulator_get_voltage_sel_regmap
+ regulator_is_enabled
+ regulator_is_enabled_regmap
+ regulator_list_voltage_linear
+ regulator_list_voltage_linear_range
+ regulator_map_voltage_linear
+ regulator_map_voltage_linear_range
+ regulator_set_voltage
+ regulator_set_voltage_sel_regmap
+ regulator_set_voltage_time_sel
+ remap_pfn_range
+ remove_proc_entry
+ request_threaded_irq
+ reset_control_assert
+ reset_control_deassert
+ revalidate_disk_size
+ rtc_class_open
+ rtc_read_time
+ rtc_tm_to_time64
+ rtc_valid_tm
+ scatterwalk_map_and_copy
+ sched_clock
+ schedule
+ schedule_timeout
+ scnprintf
+ scsi_compat_ioctl
+ scsi_device_get
+ scsi_device_put
+ scsi_ioctl
+ scsi_ioctl_block_when_processing_errors
+ sdev_prefix_printk
+ sdhci_add_host
+ sdhci_get_property
+ sdhci_pltfm_clk_get_max_clock
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_reset
+ sdhci_resume_host
+ sdhci_set_bus_width
+ sdhci_set_clock
+ sdhci_suspend_host
+ seq_lseek
+ seq_printf
+ seq_puts
+ seq_read
+ set_page_dirty_lock
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_next
+ simple_strtol
+ single_open
+ single_release
+ skcipher_walk_aead_decrypt
+ skcipher_walk_aead_encrypt
+ skcipher_walk_done
+ snd_pcm_format_width
+ snd_soc_component_read
+ snd_soc_component_update_bits
+ snd_soc_component_write
+ snd_soc_dapm_force_enable_pin_unlocked
+ snd_soc_dapm_get_enum_double
+ snd_soc_dapm_get_volsw
+ snd_soc_dapm_put_enum_double
+ snd_soc_dapm_put_volsw
+ snd_soc_get_enum_double
+ snd_soc_get_volsw
+ snd_soc_info_enum_double
+ snd_soc_info_volsw
+ snd_soc_jack_add_gpios
+ snd_soc_jack_report
+ snd_soc_put_enum_double
+ snd_soc_put_volsw
+ snprintf
+ __spi_register_driver
+ spi_sync
+ sprintf
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ strcmp
+ strlcpy
+ strlen
+ strncmp
+ strncpy
+ strnlen
+ strscpy
+ strstr
+ synchronize_irq
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_phandle
+ sysfs_create_file_ns
+ sysfs_create_group
+ sysfs_create_link
+ __sysfs_match_string
+ sysfs_remove_group
+ sysfs_remove_link
+ system_unbound_wq
+ system_wq
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ thermal_zone_get_zone_by_name
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_reboot_notifier
+ update_devfreq
+ up_read
+ up_write
+ usb_debug_root
+ usleep_range
+ uuid_null
+ v4l2_async_notifier_cleanup
+ v4l2_async_notifier_init
+ v4l2_async_notifier_register
+ v4l2_async_register_subdev
+ v4l2_async_subdev_notifier_register
+ v4l2_async_unregister_subdev
+ v4l2_ctrl_find
+ v4l2_ctrl_g_ctrl
+ v4l2_ctrl_handler_free
+ v4l2_ctrl_handler_init_class
+ v4l2_ctrl_handler_setup
+ v4l2_ctrl_new_std
+ v4l2_ctrl_new_std_menu_items
+ v4l2_device_register
+ v4l2_device_register_subdev
+ __v4l2_device_register_subdev_nodes
+ v4l2_device_unregister
+ v4l2_device_unregister_subdev
+ v4l2_event_queue
+ v4l2_event_subdev_unsubscribe
+ v4l2_event_subscribe
+ v4l2_fh_open
+ v4l2_i2c_subdev_init
+ v4l2_pipeline_pm_get
+ v4l2_pipeline_pm_put
+ v4l2_querymenu
+ v4l2_subdev_call_wrappers
+ v4l2_subdev_init
+ v4l2_subdev_link_validate
+ v4l2_type_names
+ vabits_actual
+ vb2_buffer_done
+ vb2_common_vm_ops
+ vb2_create_framevec
+ vb2_destroy_framevec
+ vb2_dma_contig_memops
+ vb2_fop_mmap
+ vb2_fop_poll
+ vb2_fop_release
+ vb2_ioctl_create_bufs
+ vb2_ioctl_dqbuf
+ vb2_ioctl_expbuf
+ vb2_ioctl_prepare_buf
+ vb2_ioctl_qbuf
+ vb2_ioctl_querybuf
+ vb2_ioctl_reqbufs
+ vb2_ioctl_streamoff
+ vb2_ioctl_streamon
+ vb2_ops_wait_finish
+ vb2_ops_wait_prepare
+ vb2_plane_cookie
+ vb2_plane_vaddr
+ vb2_queue_init
+ vb2_queue_release
+ vb2_vmalloc_memops
+ vfree
+ video_devdata
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ vmalloc
+ vmap
+ vm_get_page_prot
+ vm_map_pages
+ vm_map_ram
+ vm_unmap_ram
+ vunmap
+ wait_for_completion
+ wait_for_completion_timeout
+ __wake_up
+ wakeup_source_add
+ __warn_printk
+
+# required by 8250_dw.ko
+ of_device_is_big_endian
+ serial8250_clear_and_reinit_fifos
+ serial8250_do_pm
+ serial8250_do_set_divisor
+ serial8250_do_set_ldisc
+ serial8250_do_set_termios
+ serial8250_get_port
+ serial8250_handle_irq
+ serial8250_register_8250_port
+ serial8250_resume_port
+ serial8250_suspend_port
+ serial8250_unregister_port
+ serial8250_update_uartclk
+ tty_termios_baud_rate
+
+# required by act8865-regulator.ko
+ regulator_set_pull_down_regmap
+
+# required by adc-keys.ko
+ devm_iio_channel_get
+ iio_get_channel_type
+ iio_read_channel_processed
+ input_set_poll_interval
+ input_setup_polling
+
+# required by aes-ce-ccm.ko
+ ce_aes_expandkey
+
+# required by analogix_dp.ko
+ drm_dp_aux_register
+ drm_dp_aux_unregister
+ drm_dp_dpcd_read
+ drm_dp_dpcd_write
+ drm_dp_start_crc
+ drm_dp_stop_crc
+
+# required by ch.ko
+ param_array_ops
+ scsi_device_lookup
+ __scsi_execute
+ scsi_print_sense_hdr
+ scsi_register_driver
+
+# required by clk-pwm.ko
+ of_clk_add_hw_provider
+ of_clk_hw_simple_get
+
+# required by clk-rk628.ko
+ devm_reset_controller_register
+
+# required by clk-rockchip-regmap.ko
+ clk_hw_get_num_parents
+ clk_hw_get_parent_by_index
+ divider_recalc_rate
+ divider_round_rate_parent
+
+# required by clk-rockchip.ko
+ clk_divider_ops
+ clk_divider_ro_ops
+ clk_fixed_factor_ops
+ clk_fractional_divider_ops
+ clk_gate_ops
+ __clk_get_hw
+ clk_hw_register_composite
+ clk_hw_round_rate
+ clk_mux_ops
+ clk_mux_ro_ops
+ clk_register_composite
+ clk_register_divider_table
+ clk_register_fixed_factor
+ clk_register_gate
+ clk_register_mux_table
+ divider_get_val
+ match_string
+ register_restart_handler
+ reset_controller_register
+ __udelay
+
+# required by clk-scmi.ko
+ clk_hw_set_rate_range
+ of_clk_hw_onecell_get
+ scmi_driver_register
+ scmi_driver_unregister
+
+# required by cma_heap.ko
+ cma_get_name
+ dma_contiguous_default_area
+ dma_heap_get_drvdata
+
+# required by cpufreq-dt.ko
+ cpufreq_enable_boost_support
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_generic_frequency_table_verify
+ cpufreq_generic_get
+ cpufreq_register_driver
+ cpufreq_unregister_driver
+ dev_pm_opp_free_cpufreq_table
+ dev_pm_opp_get_max_transition_latency
+ dev_pm_opp_get_sharing_cpus
+ dev_pm_opp_get_suspend_opp_freq
+ dev_pm_opp_init_cpufreq_table
+ dev_pm_opp_of_cpumask_add_table
+ dev_pm_opp_of_cpumask_remove_table
+ dev_pm_opp_of_register_em
+ dev_pm_opp_put_regulators
+ dev_pm_opp_set_rate
+ dev_pm_opp_set_regulators
+ dev_pm_opp_set_sharing_cpus
+ policy_has_boost_freq
+
+# required by cpufreq_ondemand.ko
+ cpufreq_cpu_get_raw
+ cpufreq_dbs_governor_exit
+ cpufreq_dbs_governor_init
+ cpufreq_dbs_governor_limits
+ cpufreq_dbs_governor_start
+ cpufreq_dbs_governor_stop
+ cpufreq_table_index_unsorted
+ dbs_update
+ get_cpu_idle_time_us
+ gov_update_cpu_data
+ store_sampling_rate
+
+# required by cqhci.ko
+ devm_blk_ksm_init
+ mmc_cqe_request_done
+
+# required by cw2015_battery.ko
+ device_property_read_u8_array
+ power_supply_am_i_supplied
+ power_supply_get_battery_info
+ power_supply_put_battery_info
+ regmap_raw_read
+
+# required by dw-hdmi-cec.ko
+ cec_allocate_adapter
+ cec_delete_adapter
+ cec_notifier_cec_adap_register
+ cec_notifier_cec_adap_unregister
+ cec_received_msg_ts
+ cec_register_adapter
+ cec_transmit_attempt_done_ts
+ cec_unregister_adapter
+ devm_remove_action
+
+# required by dw-hdmi-hdcp.ko
+ device_create_file
+ device_remove_file
+ kstrtobool
+ misc_deregister
+ misc_register
+ sha1_init
+ sha1_transform
+
+# required by dw-hdmi.ko
+ bcmp
+ cancel_delayed_work
+ cec_fill_conn_info_from_drm
+ cec_notifier_conn_register
+ cec_notifier_conn_unregister
+ cec_notifier_set_phys_addr
+ cec_notifier_set_phys_addr_from_edid
+ cec_queue_pin_hpd_event
+ drm_bridge_hpd_notify
+ drm_connector_attach_max_bpc_property
+ drm_default_rgb_quant_range
+ drm_hdmi_avi_infoframe_quant_range
+ drm_hdmi_infoframe_set_hdr_metadata
+ drm_mode_is_420_also
+ drm_mode_is_420_only
+ drm_property_replace_global_blob
+ drm_scdc_read
+ drm_scdc_set_high_tmds_clock_ratio
+ drm_scdc_set_scrambling
+ drm_scdc_write
+ extcon_set_property_capability
+ hdmi_drm_infoframe_pack
+ hdmi_vendor_infoframe_pack
+ of_get_i2c_adapter_by_node
+
+# required by dw-mipi-dsi.ko
+ debugfs_attr_read
+ debugfs_attr_write
+ drm_panel_bridge_add_typed
+ drm_panel_bridge_connector
+ drm_panel_bridge_remove
+ mipi_dsi_create_packet
+ mipi_dsi_host_register
+ mipi_dsi_host_unregister
+ of_drm_find_bridge
+ simple_attr_open
+ simple_attr_release
+
+# required by dw_mmc-rockchip.ko
+ clk_get_phase
+ mmc_send_tuning
+
+# required by dw_mmc.ko
+ debugfs_create_u32
+ debugfs_create_x64
+ device_property_read_string_array
+ mmc_add_host
+ mmc_alloc_host
+ mmc_can_gpio_cd
+ mmc_detect_change
+ mmc_free_host
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_remove_host
+ mmc_request_done
+ sdio_signal_irq
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+
+# required by dw_wdt.ko
+ platform_get_irq_optional
+ watchdog_init_timeout
+ watchdog_register_device
+ watchdog_set_restart_priority
+ watchdog_unregister_device
+
+# required by dwc2.ko
+ __bitmap_clear
+ bitmap_find_next_zero_area_off
+ device_set_wakeup_capable
+ device_wakeup_enable
+ devm_usb_get_phy
+ hrtimer_cancel
+ hrtimer_init
+ hrtimer_start_range_ns
+ phy_reset
+ _raw_spin_trylock
+ usb_add_gadget_udc
+ usb_add_hcd
+ usb_calc_bus_time
+ usb_create_hcd
+ usb_del_gadget_udc
+ usb_disabled
+ usb_ep_set_maxpacket_limit
+ usb_gadget_giveback_request
+ usb_gadget_map_request
+ usb_gadget_set_state
+ usb_gadget_unmap_request
+ usb_get_dr_mode
+ usb_hcd_check_unlink_urb
+ usb_hcd_giveback_urb
+ usb_hcd_link_urb_to_ep
+ usb_hcd_map_urb_for_dma
+ usb_hcd_resume_root_hub
+ usb_hcd_unlink_urb_from_ep
+ usb_hcd_unmap_urb_for_dma
+ usb_hub_clear_tt_buffer
+ usb_phy_set_charger_current
+ usb_put_hcd
+ usb_remove_hcd
+ usb_role_switch_get_drvdata
+ usb_role_switch_register
+ usb_role_switch_unregister
+ usb_speed_string
+ usb_wakeup_enabled_descendants
+
+# required by fan53555.ko
+ gpiod_set_raw_value
+
+# required by fusb302.ko
+ device_get_named_child_node
+ disable_irq_nosync
+ extcon_get_extcon_dev
+ fwnode_create_software_node
+ i2c_smbus_read_i2c_block_data
+ i2c_smbus_write_byte_data
+ i2c_smbus_write_i2c_block_data
+ tcpm_cc_change
+ tcpm_pd_hard_reset
+ tcpm_pd_receive
+ tcpm_pd_transmit_complete
+ tcpm_register_port
+ tcpm_unregister_port
+ tcpm_vbus_change
+ vsnprintf
+
+# required by ghash-ce.ko
+ aes_expandkey
+ gf128mul_lle
+
+# required by gpio-regulator.ko
+ gpiod_count
+
+# required by gpio-rockchip.ko
+ gpiochip_add_data_with_key
+ gpiochip_remove
+ handle_edge_irq
+ handle_level_irq
+ __irq_alloc_domain_generic_chips
+ irq_gc_ack_set_bit
+ irq_gc_mask_clr_bit
+ irq_gc_mask_set_bit
+ irq_gc_set_wake
+ irq_generic_chip_ops
+ irq_get_domain_generic_chip
+ irq_of_parse_and_map
+ of_pinctrl_get
+
+# required by grf.ko
+ of_find_matching_node_and_match
+
+# required by hid-alps.ko
+ down
+ input_alloc_absinfo
+ input_allocate_device
+ input_free_device
+ input_mt_init_slots
+ input_mt_report_slot_state
+ input_mt_sync_frame
+ up
+
+# required by hid-holtek-kbd.ko
+ usb_ifnum_to_if
+
+# required by hid-ntrig.ko
+ usb_control_msg
+
+# required by hid-primax.ko
+ hid_report_raw_event
+
+# required by i2c-dev.ko
+ bus_register_notifier
+ bus_unregister_notifier
+ device_for_each_child
+ i2c_bus_type
+ i2c_for_each_dev
+ i2c_verify_client
+
+# required by i2c-gpio.ko
+ i2c_bit_add_numbered_bus
+
+# required by i2c-hid.ko
+ dev_printk
+ hid_add_device
+ hid_allocate_device
+ hid_destroy_device
+ hid_input_report
+ hid_parse_report
+ i2c_smbus_read_byte
+
+# required by i2c-mux.ko
+ i2c_add_numbered_adapter
+ __i2c_transfer
+ rt_mutex_lock
+ rt_mutex_trylock
+ rt_mutex_unlock
+
+# required by i2c-rk3x.ko
+ i2c_parse_fw_timings
+
+# required by industrialio-buffer-cb.ko
+ bitmap_free
+ bitmap_zalloc
+ iio_channel_get_all
+ iio_channel_release_all
+ iio_update_buffers
+
+# required by industrialio-triggered-buffer.ko
+ iio_alloc_pollfunc
+ iio_dealloc_pollfunc
+ iio_device_attach_buffer
+
+# required by io-domain.ko
+ _dev_crit
+ regulator_register_notifier
+ regulator_unregister_notifier
+
+# required by kfifo_buf.ko
+ __kfifo_to_user
+ mutex_lock_interruptible
+
+# required by leds-gpio.ko
+ devm_gpio_request_one
+
+# required by ledtrig-heartbeat.ko
+ avenrun
+
+# required by lzo-rle.ko
+ lzorle1x_1_compress
+
+# required by lzo.ko
+ lzo1x_1_compress
+
+# required by nvme-core.ko
+ bd_set_nr_sectors
+ blk_execute_rq
+ blk_freeze_queue_start
+ blk_mq_alloc_request
+ blk_mq_alloc_request_hctx
+ blk_mq_complete_request
+ blk_mq_delay_kick_requeue_list
+ blk_mq_end_request
+ blk_mq_freeze_queue
+ blk_mq_freeze_queue_wait
+ blk_mq_freeze_queue_wait_timeout
+ blk_mq_requeue_request
+ blk_mq_unfreeze_queue
+ blk_mq_unique_tag
+ blk_poll
+ blk_queue_chunk_sectors
+ blk_queue_dma_alignment
+ blk_queue_flag_test_and_set
+ blk_queue_max_discard_segments
+ blk_queue_max_hw_sectors
+ blk_queue_max_segments
+ blk_queue_virt_boundary
+ blk_queue_write_cache
+ blk_rq_map_kern
+ blk_set_queue_dying
+ blk_status_to_errno
+ blk_sync_queue
+ bpf_trace_run1
+ bpf_trace_run2
+ bpf_trace_run3
+ capable
+ cleanup_srcu_struct
+ device_add
+ device_del
+ device_remove_file_self
+ dev_pm_qos_expose_latency_tolerance
+ dev_pm_qos_hide_latency_tolerance
+ dev_pm_qos_update_user_latency_tolerance
+ event_triggers_call
+ ida_alloc_range
+ ida_destroy
+ ida_free
+ init_srcu_struct
+ kobject_uevent_env
+ list_sort
+ memchr_inv
+ param_ops_byte
+ param_ops_ulong
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ set_capacity_revalidate_and_notify
+ set_disk_ro
+ __srcu_read_unlock
+ synchronize_rcu
+ synchronize_srcu
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ trace_print_symbols_seq
+ trace_raw_output_prep
+ trace_seq_printf
+ trace_seq_putc
+ try_module_get
+ xa_destroy
+ xa_erase
+ xa_find
+ xa_find_after
+ xa_load
+ xa_store
+
+# required by nvme.ko
+ async_schedule_node
+ blk_get_queue
+ blk_mq_alloc_tag_set
+ blk_mq_complete_request_remote
+ blk_mq_free_tag_set
+ blk_mq_map_queues
+ blk_mq_pci_map_queues
+ blk_mq_start_request
+ blk_mq_tag_to_rq
+ blk_mq_update_nr_hw_queues
+ blk_put_queue
+ __blk_rq_map_sg
+ device_release_driver
+ dma_max_mapping_size
+ dma_pool_alloc
+ dma_pool_create
+ dma_pool_destroy
+ dma_pool_free
+ __do_once_done
+ __do_once_start
+ mempool_alloc
+ mempool_create_node
+ mempool_destroy
+ mempool_free
+ mempool_kfree
+ mempool_kmalloc
+ param_get_uint
+ param_set_uint
+ pci_alloc_irq_vectors_affinity
+ pcibios_resource_to_bus
+ pci_device_is_present
+ pci_disable_device
+ pci_disable_pcie_error_reporting
+ pcie_aspm_enabled
+ pci_enable_device_mem
+ pci_enable_pcie_error_reporting
+ pci_free_irq
+ pci_free_irq_vectors
+ pci_irq_vector
+ pci_load_saved_state
+ pci_read_config_word
+ __pci_register_driver
+ pci_release_selected_regions
+ pci_request_irq
+ pci_request_selected_regions
+ pci_restore_state
+ pci_save_state
+ pci_select_bars
+ pci_set_master
+ pci_sriov_configure_simple
+ pci_unregister_driver
+ pm_suspend_global_flags
+ sg_init_table
+ __sw_hweight64
+ sysfs_remove_file_from_group
+ wait_for_completion_io_timeout
+
+# required by optee-rng.ko
+ driver_register
+ hwrng_register
+ hwrng_unregister
+
+# required by optee.ko
+ alloc_pages_exact
+ __arm_smccc_hvc
+ device_register
+ find_vma
+ free_pages_exact
+ idr_get_next
+ kimage_voffset
+ ktime_get_real_ts64
+ memremap
+ memunmap
+ msleep_interruptible
+ wait_for_completion_interruptible
+
+# required by ov2680.ko
+ v4l2_ctrl_auto_cluster
+ v4l2_ctrl_new_std_menu
+ __v4l2_find_nearest_size
+
+# required by ov5695.ko
+ __v4l2_ctrl_modify_range
+ v4l2_ctrl_new_int_menu
+
+# required by panel-simple.ko
+ drm_bus_flags_from_videomode
+ drm_connector_set_panel_orientation
+ drm_display_mode_from_videomode
+ drm_panel_add
+ drm_panel_init
+ drm_panel_of_backlight
+ drm_panel_remove
+ mipi_dsi_attach
+ mipi_dsi_dcs_write_buffer
+ mipi_dsi_detach
+ mipi_dsi_driver_register_full
+ mipi_dsi_driver_unregister
+ mipi_dsi_generic_write
+ of_drm_get_panel_orientation
+ of_find_i2c_adapter_by_node
+ of_get_display_timing
+ of_get_drm_display_mode
+ videomode_from_timing
+
+# required by pcie-dw-rockchip.ko
+ dw_pcie_host_init
+ dw_pcie_link_up
+ dw_pcie_read
+ dw_pcie_read_dbi
+ dw_pcie_setup_rc
+ dw_pcie_write
+ dw_pcie_write_dbi
+ kthread_create_on_node
+ of_prop_next_string
+ wake_up_process
+
+# required by pcierockchiphost.ko
+ devm_of_phy_get
+ devm_pci_alloc_host_bridge
+ devm_pci_remap_cfg_resource
+ jiffies_to_usecs
+ of_pci_get_max_link_speed
+ pci_host_probe
+ pci_remove_root_bus
+ pci_stop_root_bus
+ regulator_get_current_limit
+
+# required by phy-rockchip-inno-dsidphy.ko
+ phy_mipi_dphy_config_validate
+
+# required by phy-rockchip-inno-hdmi-phy.ko
+ nvmem_cell_get
+
+# required by phy-rockchip-inno-usb2.ko
+ devm_extcon_register_notifier
+ extcon_set_state
+ extcon_sync
+ wakeup_source_remove
+
+# required by phy-rockchip-inno-usb3.ko
+ strcasecmp
+ usb_add_phy
+
+# required by phy-rockchip-typec.ko
+ extcon_get_property
+
+# required by phy-rockchip-usb.ko
+ __of_reset_control_get
+
+# required by pinctrl-rk628.ko
+ irq_domain_xlate_twocell
+ pinctrl_add_gpio_range
+ pinctrl_find_gpio_range_from_pin
+
+# required by pinctrl-rockchip.ko
+ of_find_node_by_phandle
+ of_platform_populate
+ pinconf_generic_parse_dt_config
+ pinctrl_force_default
+ pinctrl_force_sleep
+ pin_get_name
+
+# required by pl330.ko
+ amba_driver_register
+ amba_driver_unregister
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dmaengine_unmap_put
+ dma_get_slave_channel
+ dma_map_resource
+ dma_unmap_resource
+ loops_per_jiffy
+ of_dma_controller_free
+ of_dma_controller_register
+ pm_runtime_irq_safe
+ tasklet_setup
+
+# required by pm_domains.ko
+ clk_bulk_put
+ of_clk_get_parent_count
+ of_genpd_add_provider_onecell
+ panic
+ pm_clk_add_clk
+ pm_clk_create
+ pm_clk_destroy
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_genpd_remove
+ strrchr
+
+# required by pwm-regulator.ko
+ regulator_map_voltage_iterate
+
+# required by pwm-rockchip.ko
+ of_pwm_xlate_with_flags
+ pwmchip_add
+ pwmchip_remove
+
+# required by pwm_bl.ko
+ backlight_device_register
+ backlight_device_unregister
+ gpiod_get_direction
+ pwm_free
+ pwm_request
+
+# required by reboot-mode.ko
+ devres_release
+ kernel_kobj
+
+# required by rk628.ko
+ irq_dispose_mapping
+ irq_domain_xlate_onetwocell
+ irq_set_parent
+ mfd_add_devices
+
+# required by rk805-pwrkey.ko
+ devm_request_any_context_irq
+ input_set_capability
+
+# required by rk806-core.ko
+ devm_regmap_add_irq_chip
+
+# required by rk806-spi.ko
+ spi_write_then_read
+
+# required by rk808-regulator.ko
+ gpiod_is_active_low
+
+# required by rk808.ko
+ kobject_create_and_add
+ platform_device_add
+ platform_device_alloc
+ pm_power_off_prepare
+ register_syscore_ops
+ regmap_add_irq_chip
+ regmap_del_irq_chip
+ system_state
+ unregister_syscore_ops
+
+# required by rk818_battery.ko
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+
+# required by rknpu.ko
+ dma_buf_mmap
+ dma_fence_context_alloc
+ dma_fence_init
+ dma_fence_release
+ dma_fence_signal
+ drm_gem_create_mmap_offset
+ drm_gem_dumb_destroy
+ drm_gem_handle_delete
+ drm_gem_prime_export
+ drm_gem_prime_import_dev
+ drm_gem_vm_open
+ fd_install
+ get_unused_fd_flags
+ of_dma_configure_id
+ set_user_nice
+ sync_file_create
+ vmf_insert_mixed
+
+# required by rockchip-cpufreq.ko
+ dev_pm_opp_put_prop_name
+ dev_pm_opp_register_set_opp_helper
+
+# required by rockchip-iommu.ko
+ bus_set_iommu
+ get_zeroed_page
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_get_dma_cookie
+ iommu_group_alloc
+ iommu_group_put
+ iommu_group_ref_get
+ iommu_put_dma_cookie
+ platform_irq_count
+ report_iommu_fault
+
+# required by rockchip-rng.ko
+ devm_hwrng_register
+ devm_of_iomap
+
+# required by rockchip.ko
+ __genphy_config_aneg
+ genphy_resume
+ genphy_soft_reset
+ genphy_suspend
+ mdiobus_read
+ mdiobus_write
+ phy_drivers_register
+ phy_drivers_unregister
+
+# required by rockchip_bus.ko
+ cpu_topology
+
+# required by rockchip_dmc.ko
+ cpufreq_cpu_get
+ cpufreq_cpu_put
+ cpufreq_quick_get
+ cpu_latency_qos_add_request
+ cpu_latency_qos_update_request
+ devfreq_add_governor
+ devfreq_event_disable_edev
+ devfreq_event_enable_edev
+ devfreq_event_get_edev_by_phandle
+ devfreq_event_get_edev_count
+ devfreq_event_get_event
+ devfreq_monitor_resume
+ devfreq_monitor_start
+ devfreq_monitor_stop
+ devfreq_monitor_suspend
+ devfreq_resume_device
+ devfreq_suspend_device
+ devfreq_update_interval
+ _dev_notice
+ dev_pm_opp_add
+ input_close_device
+ input_open_device
+ input_register_handle
+ input_register_handler
+ input_unregister_handle
+ __memset_io
+
+# required by rockchip_dmc_common.ko
+ down_write_trylock
+
+# required by rockchip_opp_select.ko
+ dev_pm_opp_get_opp_table
+ dev_pm_opp_of_add_table
+ dev_pm_opp_put_opp_table
+ dev_pm_opp_set_prop_name
+ of_find_node_opts_by_path
+ regulator_get_optional
+ regulator_put
+
+# required by rockchip_saradc.ko
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ iio_get_time_ns
+ iio_push_to_buffers
+ iio_trigger_notify_done
+
+# required by rockchip_thermal.ko
+ devm_thermal_zone_of_sensor_register
+ thermal_zone_device_disable
+ thermal_zone_device_enable
+ thermal_zone_device_update
+
+# required by rockchipdrm.ko
+ adjust_managed_page_count
+ clk_is_match
+ clk_set_parent
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_unbind_all
+ devm_of_phy_get_by_index
+ devm_phy_optional_get
+ drm_add_modes_noedid
+ drm_atomic_commit
+ drm_atomic_get_connector_state
+ drm_atomic_get_plane_state
+ drm_atomic_helper_check
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_cleanup_planes
+ drm_atomic_helper_commit
+ drm_atomic_helper_commit_hw_done
+ drm_atomic_helper_commit_modeset_disables
+ drm_atomic_helper_commit_modeset_enables
+ drm_atomic_helper_commit_planes
+ __drm_atomic_helper_connector_destroy_state
+ __drm_atomic_helper_connector_duplicate_state
+ __drm_atomic_helper_connector_reset
+ __drm_atomic_helper_crtc_destroy_state
+ __drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_dirtyfb
+ __drm_atomic_helper_disable_plane
+ drm_atomic_helper_duplicate_state
+ drm_atomic_helper_fake_vblank
+ drm_atomic_helper_page_flip
+ __drm_atomic_helper_plane_destroy_state
+ __drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_swap_state
+ drm_atomic_helper_wait_for_vblanks
+ drm_atomic_set_crtc_for_connector
+ drm_atomic_set_crtc_for_plane
+ drm_atomic_set_fb_for_plane
+ drm_atomic_set_mode_for_crtc
+ drm_atomic_state_alloc
+ __drm_atomic_state_free
+ drm_connector_list_iter_begin
+ drm_connector_list_iter_end
+ drm_connector_list_iter_next
+ drm_connector_list_update
+ drm_connector_unregister
+ drm_crtc_cleanup
+ drm_crtc_enable_color_mgmt
+ drm_crtc_from_index
+ drm_crtc_handle_vblank
+ drm_crtc_init_with_planes
+ drm_crtc_send_vblank_event
+ drm_crtc_vblank_get
+ drm_crtc_vblank_off
+ drm_crtc_vblank_on
+ drm_crtc_vblank_put
+ drm_debugfs_create_files
+ drm_do_get_edid
+ drm_dp_channel_eq_ok
+ drm_encoder_cleanup
+ drm_encoder_init
+ drm_event_reserve_init_locked
+ drm_flip_work_cleanup
+ drm_flip_work_commit
+ drm_flip_work_init
+ drm_flip_work_queue
+ drm_format_info
+ drm_framebuffer_cleanup
+ drm_framebuffer_init
+ drm_gem_cma_vm_ops
+ drm_gem_dmabuf_export
+ drm_gem_dmabuf_get_uuid
+ drm_gem_dmabuf_mmap
+ drm_gem_dmabuf_release
+ drm_gem_dmabuf_vmap
+ drm_gem_dmabuf_vunmap
+ drm_gem_fb_afbc_init
+ drm_gem_fb_create_handle
+ drm_gem_fb_init_with_funcs
+ drm_gem_get_pages
+ drm_gem_map_attach
+ drm_gem_map_detach
+ drm_gem_map_dma_buf
+ drm_gem_object_put_locked
+ drm_gem_put_pages
+ drm_gem_unmap_dma_buf
+ drm_get_format_info
+ drm_get_format_name
+ drm_helper_mode_fill_fb_struct
+ drm_kms_helper_hotplug_event
+ drm_kms_helper_poll_enable
+ drm_kms_helper_poll_fini
+ drm_kms_helper_poll_init
+ drm_mm_init
+ drm_mm_insert_node_in_range
+ drmm_mode_config_init
+ drm_mm_print
+ drm_mm_remove_node
+ drm_mm_takedown
+ drm_mode_config_cleanup
+ drm_mode_config_helper_resume
+ drm_mode_config_helper_suspend
+ drm_mode_config_reset
+ drm_mode_create_tv_properties
+ drm_mode_crtc_set_gamma_size
+ drm_mode_debug_printmodeline
+ drm_mode_is_420
+ drm_mode_object_get
+ drm_mode_object_put
+ drm_mode_prune_invalid
+ drm_mode_set_crtcinfo
+ drm_modeset_lock_all
+ drm_modeset_unlock_all
+ drm_mode_sort
+ drm_mode_validate_driver
+ drm_mode_validate_size
+ drm_mode_validate_ycbcr420
+ drm_of_crtc_port_mask
+ drm_of_encoder_active_endpoint
+ drm_plane_cleanup
+ drm_plane_create_alpha_property
+ drm_plane_create_blend_mode_property
+ drm_plane_create_rotation_property
+ drm_plane_create_zpos_property
+ drm_prime_get_contiguous_size
+ __drm_printfn_seq_file
+ drm_property_create
+ drm_property_create_bitmask
+ drm_property_create_enum
+ drm_property_create_object
+ drm_property_create_range
+ drm_property_destroy
+ __drm_puts_seq_file
+ drm_rect_calc_hscale
+ drm_send_event_locked
+ drm_simple_encoder_init
+ drm_universal_plane_init
+ drm_vblank_init
+ drm_writeback_connector_init
+ drm_writeback_queue_job
+ drm_writeback_signal_completion
+ hdmi_infoframe_pack
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_map
+ iommu_map_sg
+ iommu_set_fault_handler
+ iommu_unmap
+ memblock_free
+ of_graph_get_next_endpoint
+ of_graph_get_port_by_id
+ of_graph_get_remote_port
+ of_graph_get_remote_port_parent
+ phy_mipi_dphy_get_default_config
+ platform_find_device_by_driver
+ __platform_register_drivers
+ platform_unregister_drivers
+ release_firmware
+ request_firmware
+ sort
+ __sw_hweight32
+ __sw_hweight8
+ __vmalloc
+
+# required by rtc-rk808.ko
+ _bcd2bin
+ _bin2bcd
+ devm_rtc_allocate_device
+ __rtc_register_device
+ rtc_time64_to_tm
+ rtc_update_irq
+
+# required by sdhci-of-arasan.ko
+ __sdhci_add_host
+ sdhci_cleanup_host
+ sdhci_cqe_disable
+ sdhci_cqe_enable
+ sdhci_cqe_irq
+ sdhci_dumpregs
+ sdhci_enable_clk
+ sdhci_execute_tuning
+ sdhci_pltfm_unregister
+ sdhci_set_power_and_bus_voltage
+ sdhci_set_uhs_signaling
+ sdhci_setup_host
+
+# required by sdhci-of-dwcmshc.ko
+ devm_clk_bulk_get_optional
+ dma_get_required_mask
+ sdhci_adma_write_desc
+ sdhci_remove_host
+ sdhci_request
+
+# required by sg.ko
+ blk_get_request
+ blk_put_request
+ blk_rq_map_user_iov
+ blk_verify_command
+ cdev_add
+ cdev_alloc
+ cdev_del
+ class_interface_unregister
+ fasync_helper
+ get_sg_io_hdr
+ import_iovec
+ kill_fasync
+ __module_get
+ nonseekable_open
+ put_sg_io_hdr
+ _raw_read_lock_irqsave
+ _raw_read_unlock_irqrestore
+ _raw_write_lock_irq
+ _raw_write_lock_irqsave
+ _raw_write_unlock_irq
+ _raw_write_unlock_irqrestore
+ scsi_autopm_get_device
+ scsi_autopm_put_device
+ scsi_block_when_processing_errors
+ scsi_command_size_tbl
+ scsi_normalize_sense
+ __scsi_print_sense
+ scsi_register_interface
+ sg_scsi_ioctl
+ __task_pid_nr_ns
+
+# required by sha1-ce.ko
+ crypto_sha1_finup
+ crypto_sha1_update
+ irq_stat
+
+# required by sii902x.ko
+ drm_display_mode_to_videomode
+ hdmi_audio_infoframe_pack
+ hdmi_avi_infoframe_pack
+ of_property_read_variable_u8_array
+
+# required by snd-soc-cx2072x.ko
+ regmap_multi_reg_write
+ snd_soc_params_to_frame_size
+
+# required by snd-soc-es8316.ko
+ snd_pcm_hw_constraint_list
+ snd_soc_dapm_disable_pin_unlocked
+ snd_soc_dapm_sync_unlocked
+
+# required by snd-soc-hdmi-codec.ko
+ hdmi_audio_infoframe_init
+ snd_ctl_add
+ snd_ctl_new1
+ snd_pcm_add_chmap_ctls
+ snd_pcm_create_iec958_consumer_hw_params
+ snd_pcm_hw_constraint_eld
+ snd_soc_dapm_add_routes
+
+# required by snd-soc-rk817.ko
+ snd_soc_add_component_controls
+ snd_soc_component_exit_regmap
+ snd_soc_component_init_regmap
+ snd_soc_unregister_component
+
+# required by snd-soc-simple-card-utils.ko
+ devm_kasprintf
+ devm_kvasprintf
+ snd_soc_card_jack_new
+ snd_soc_dai_set_sysclk
+ snd_soc_dai_set_tdm_slot
+ snd_soc_dapm_get_pin_switch
+ snd_soc_dapm_info_pin_switch
+ snd_soc_dapm_put_pin_switch
+ snd_soc_of_parse_audio_routing
+ snd_soc_of_parse_audio_simple_widgets
+ snd_soc_of_parse_card_name
+ snd_soc_of_parse_daifmt
+ snd_soc_runtime_calc_hw
+
+# required by snd-soc-simple-card.ko
+ devm_snd_soc_register_card
+ of_parse_phandle_with_args
+ snd_soc_dai_link_set_capabilities
+ snd_soc_of_get_dai_name
+ snd_soc_of_parse_aux_devs
+ snd_soc_of_parse_node_prefix
+ snd_soc_of_parse_tdm_slot
+ snd_soc_pm_ops
+
+# required by spi-rockchip.ko
+ devm_spi_register_controller
+ __spi_alloc_controller
+ spi_controller_resume
+ spi_controller_suspend
+ spi_finalize_current_transfer
+
+# required by spidev.ko
+ spi_setup
+ stream_open
+
+# required by system_heap.ko
+ deferred_free
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_heap_get_dev
+ __sg_page_iter_next
+ __sg_page_iter_start
+
+# required by tcpci_husb311.ko
+ i2c_smbus_read_word_data
+ tcpci_irq
+ tcpci_register_port
+ tcpci_unregister_port
+
+# required by tee.ko
+ bus_register
+ bus_unregister
+ class_find_device
+ crypto_alloc_shash
+ crypto_shash_final
+ crypto_shash_update
+ gen_pool_best_fit
+ gen_pool_set_algo
+ gen_pool_virt_to_phys
+ get_kernel_pages
+ in_egroup_p
+ pin_user_pages_fast
+ unpin_user_pages
+
+# required by test_power.ko
+ param_get_int
+ power_supply_register
+ power_supply_unregister
+ strncasecmp
+
+# required by tps65132-regulator.ko
+ regulator_set_active_discharge_regmap
+
+# required by typec_displayport.ko
+ fwnode_find_reference
+ sysfs_notify
+ typec_altmode2port
+ typec_altmode_enter
+ typec_altmode_exit
+ typec_altmode_get_partner
+ typec_altmode_notify
+ __typec_altmode_register_driver
+ typec_altmode_unregister_driver
+ typec_altmode_vdm
+ typec_get_negotiated_svdm_version
+
+# required by v4l2-fwnode.ko
+ fwnode_device_is_available
+ fwnode_get_name
+ fwnode_graph_get_next_endpoint
+ fwnode_graph_get_port_parent
+ fwnode_graph_get_remote_endpoint
+ fwnode_graph_get_remote_port_parent
+ fwnode_graph_parse_endpoint
+ fwnode_property_get_reference_args
+ fwnode_property_read_u64_array
+ v4l2_async_notifier_add_fwnode_subdev
+ v4l2_async_notifier_add_subdev
+ v4l2_async_notifier_unregister
+
+# required by video_rkcif.ko
+ media_entity_setup_link
+
+# required by video_rkisp.ko
+ kmalloc_order_trace
+ media_device_cleanup
+ __memcpy_fromio
+ __memcpy_toio
+ of_property_read_u64
+ param_ops_ullong
+ v4l2_ctrl_g_ctrl_int64
+ v4l2_event_unsubscribe
+ v4l2_pipeline_link_notify
+
+# required by videobuf2-dma-sg.ko
+ split_page
+
+# required by zram.ko
+ __alloc_percpu
+ bio_endio
+ blk_alloc_queue
+ __class_register
+ class_unregister
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ crypto_alloc_base
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_has_alg
+ disk_end_io_acct
+ disk_start_io_acct
+ flush_dcache_page
+ free_percpu
+ fsync_bdev
+ __get_free_pages
+ idr_for_each
+ kstrtou16
+ memparse
+ memset64
+ __num_online_cpus
+ page_endio
+ register_blkdev
+ strcpy
+ sysfs_streq
+ unregister_blkdev
+ vzalloc
+
+# required by zsmalloc.ko
+ alloc_anon_inode
+ __ClearPageMovable
+ contig_page_data
+ dec_zone_page_state
+ inc_zone_page_state
+ init_pseudo
+ iput
+ kern_mount
+ kern_unmount
+ kill_anon_super
+ kstrdup
+ __lock_page
+ page_mapping
+ _raw_read_lock
+ _raw_read_unlock
+ _raw_write_lock
+ _raw_write_unlock
+ register_shrinker
+ __SetPageMovable
+ unlock_page
+ unregister_shrinker
diff --git a/android/abi_gki_aarch64_unisoc b/android/abi_gki_aarch64_unisoc
new file mode 100644
index 0000000..d065398
--- /dev/null
+++ b/android/abi_gki_aarch64_unisoc
@@ -0,0 +1,272 @@
+[abi_symbol_list]
+# commonly used symbols
+ __arch_copy_from_user
+ arm64_const_caps_ready
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ __cfi_slowpath
+ __check_object_size
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_prepare
+ clk_bulk_unprepare
+ clk_disable
+ clk_enable
+ clk_fixed_factor_ops
+ clk_get_rate
+ clk_hw_get_num_parents
+ clk_hw_get_parent
+ clk_hw_is_enabled
+ __clk_mux_determine_rate
+ clk_prepare
+ clk_round_rate
+ clk_set_parent
+ clk_unprepare
+ complete
+ __const_udelay
+ cpu_hwcap_keys
+ cpu_hwcaps
+ _dev_emerg
+ _dev_err
+ dev_err_probe
+ dev_get_regmap
+ device_get_match_data
+ device_init_wakeup
+ device_node_to_regmap
+ device_property_read_u32_array
+ _dev_info
+ devm_add_action
+ devm_clk_bulk_get
+ devm_clk_get
+ devm_clk_hw_register
+ devm_free_irq
+ devm_gpiochip_add_data_with_key
+ devm_gpiod_get
+ devm_hwspin_lock_register
+ devm_hwspin_lock_request_specific
+ devm_iio_channel_get
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ devm_ioremap_resource
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_mbox_controller_register
+ devm_nvmem_register
+ devm_of_clk_add_hw_provider
+ devm_of_platform_populate
+ devm_pinctrl_get
+ devm_platform_ioremap_resource
+ devm_power_supply_register
+ devm_regmap_add_irq_chip
+ __devm_regmap_init
+ __devm_regmap_init_mmio_clk
+ devm_regulator_register
+ devm_request_threaded_irq
+ devm_snd_soc_register_component
+ devm_spi_register_controller
+ devm_thermal_zone_of_sensor_register
+ devm_thermal_zone_of_sensor_unregister
+ devm_usb_get_phy_by_phandle
+ devm_watchdog_register_device
+ _dev_warn
+ divider_get_val
+ divider_recalc_rate
+ divider_round_rate_parent
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dmam_alloc_attrs
+ dmam_free_coherent
+ dma_release_channel
+ dma_request_chan
+ dma_set_coherent_mask
+ dma_set_mask
+ driver_unregister
+ __dynamic_dev_dbg
+ find_next_bit
+ finish_wait
+ generic_handle_irq
+ gic_nonsecure_priorities
+ gpiochip_find
+ gpiochip_get_data
+ gpiod_get_value_cansleep
+ gpiod_to_irq
+ handle_bad_irq
+ handle_edge_irq
+ handle_level_irq
+ handle_nested_irq
+ __hwspin_lock_timeout
+ __hwspin_unlock
+ i2c_add_numbered_adapter
+ i2c_del_adapter
+ iio_read_channel_processed
+ __init_swait_queue_head
+ init_wait_entry
+ __init_waitqueue_head
+ irq_find_mapping
+ irq_get_irq_data
+ irq_set_irq_wake
+ jiffies
+ kfree
+ __kmalloc
+ kmalloc_caches
+ kmem_cache_alloc_trace
+ ktime_get
+ ktime_get_mono_fast_ns
+ __list_add_valid
+ __list_del_entry_valid
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ mbox_chan_received_data
+ mbox_chan_txdone
+ memcpy
+ memset
+ mmc_cqe_request_done
+ mmc_of_parse
+ mmc_regulator_set_vqmmc
+ mmc_request_done
+ __msecs_to_jiffies
+ __mutex_init
+ mutex_lock
+ mutex_unlock
+ nvmem_cell_get
+ nvmem_cell_put
+ nvmem_cell_read
+ of_alias_get_id
+ of_clk_hw_onecell_get
+ of_device_get_match_data
+ of_device_is_compatible
+ of_dma_controller_free
+ of_dma_controller_register
+ of_dma_simple_xlate
+ of_find_property
+ of_get_next_child
+ of_get_parent
+ of_get_property
+ of_hwspin_lock_get_id
+ of_match_node
+ of_nvmem_cell_get
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_variable_u32_array
+ of_prop_next_string
+ of_reserved_mem_device_init_by_idx
+ pinconf_generic_parse_dt_config
+ pinctrl_dev_get_drvdata
+ pinctrl_lookup_state
+ pinctrl_register
+ pinctrl_select_state
+ pinctrl_unregister
+ pinctrl_utils_add_map_configs
+ pinctrl_utils_add_map_mux
+ pinctrl_utils_free_map
+ pinctrl_utils_reserve_map
+ pin_get_name
+ __platform_driver_probe
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_resource
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ power_supply_changed
+ power_supply_find_ocv2cap_table
+ power_supply_get_battery_info
+ power_supply_get_by_name
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_ocv2cap_simple
+ power_supply_put
+ power_supply_put_battery_info
+ power_supply_temp2resist_simple
+ prepare_to_wait_event
+ printk
+ put_device
+ pwmchip_add
+ pwmchip_remove
+ queue_work_on
+ ___ratelimit
+ _raw_spin_lock
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_unlock
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ register_restart_handler
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_disable_regmap
+ regulator_enable_regmap
+ regulator_get_voltage_sel_regmap
+ regulator_is_enabled_regmap
+ regulator_list_voltage_linear
+ regulator_set_voltage_sel_regmap
+ remap_pfn_range
+ schedule
+ schedule_timeout
+ __sdhci_add_host
+ sdhci_cleanup_host
+ sdhci_enable_clk
+ sdhci_enable_v4_mode
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_remove_host
+ sdhci_request
+ sdhci_request_atomic
+ sdhci_reset
+ sdhci_runtime_resume_host
+ sdhci_runtime_suspend_host
+ sdhci_set_bus_width
+ sdhci_setup_host
+ seq_printf
+ seq_putc
+ sg_init_table
+ sg_next
+ snd_dma_alloc_pages
+ snd_dma_free_pages
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_constraint_step
+ snd_pcm_period_elapsed
+ snd_soc_set_runtime_hwparams
+ __spi_alloc_controller
+ spi_controller_suspend
+ spi_finalize_current_transfer
+ __spi_register_driver
+ spi_sync
+ __stack_chk_fail
+ __stack_chk_guard
+ strcmp
+ strncmp
+ syscon_regmap_lookup_by_phandle
+ system_wq
+ tasklet_kill
+ __tasklet_schedule
+ thermal_zone_device_disable
+ thermal_zone_device_enable
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __udelay
+ unregister_restart_handler
+ usb_phy_get_charger_current
+ usleep_range
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+ wait_for_completion
+ wait_for_completion_timeout
+ __wake_up
+ watchdog_init_timeout
diff --git a/android/abi_gki_aarch64_virtual_device b/android/abi_gki_aarch64_virtual_device
new file mode 100644
index 0000000..6929833
--- /dev/null
+++ b/android/abi_gki_aarch64_virtual_device
@@ -0,0 +1,1497 @@
+[abi_symbol_list]
+# commonly used symbols
+ alloc_anon_inode
+ __alloc_disk_node
+ alloc_etherdev_mqs
+ alloc_netdev_mqs
+ __alloc_pages_nodemask
+ __alloc_skb
+ alloc_workqueue
+ amba_driver_register
+ amba_driver_unregister
+ __arch_copy_from_user
+ __arch_copy_to_user
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ bcmp
+ bio_alloc_bioset
+ bio_endio
+ blk_alloc_queue
+ blk_cleanup_queue
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_queue_write_cache
+ blk_status_to_errno
+ bpf_trace_run1
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bt_err
+ bt_info
+ bt_warn
+ bus_register
+ bus_unregister
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ __cfi_slowpath
+ __check_object_size
+ __class_create
+ class_destroy
+ __class_register
+ class_unregister
+ __ClearPageMovable
+ clk_disable
+ clk_enable
+ clk_get_rate
+ clk_prepare
+ clk_unprepare
+ complete
+ __const_udelay
+ consume_skb
+ contig_page_data
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpumask_next
+ cpu_number
+ __cpu_online_mask
+ __cpu_possible_mask
+ crc32_le
+ crypto_destroy_tfm
+ crypto_register_alg
+ crypto_register_scomp
+ crypto_unregister_alg
+ crypto_unregister_scomp
+ _ctype
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_remove
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ destroy_workqueue
+ dev_alloc_name
+ dev_close
+ _dev_err
+ __dev_get_by_index
+ device_add
+ device_add_disk
+ device_create
+ device_del
+ device_initialize
+ device_init_wakeup
+ device_register
+ device_release_driver
+ device_unregister
+ _dev_info
+ __dev_kfree_skb_any
+ devm_ioremap
+ devm_ioremap_resource
+ devm_kfree
+ devm_kmalloc
+ devm_request_threaded_irq
+ _dev_notice
+ dev_printk
+ dev_queue_xmit
+ dev_set_name
+ _dev_warn
+ dma_alloc_attrs
+ dma_buf_export
+ dma_fence_context_alloc
+ dma_fence_init
+ dma_fence_release
+ dma_fence_signal_locked
+ dma_free_attrs
+ dma_map_sg_attrs
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_device
+ dma_unmap_sg_attrs
+ down_read
+ down_write
+ ether_setup
+ eth_mac_addr
+ ethtool_op_get_link
+ eth_type_trans
+ eth_validate_addr
+ event_triggers_call
+ failure_tracking
+ fd_install
+ finish_wait
+ flush_work
+ flush_workqueue
+ fput
+ free_irq
+ free_netdev
+ __free_pages
+ free_pages
+ free_percpu
+ fs_bio_set
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ get_device
+ __get_free_pages
+ get_random_bytes
+ get_unused_fd_flags
+ gic_nonsecure_priorities
+ hci_alloc_dev
+ __hci_cmd_sync
+ hci_free_dev
+ hci_recv_frame
+ hci_register_dev
+ hci_unregister_dev
+ hwrng_register
+ hwrng_unregister
+ ida_alloc_range
+ ida_free
+ idr_alloc
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_remove
+ init_net
+ init_pseudo
+ __init_rwsem
+ __init_swait_queue_head
+ init_timer_key
+ init_wait_entry
+ __init_waitqueue_head
+ input_alloc_absinfo
+ input_allocate_device
+ input_event
+ input_free_device
+ input_mt_init_slots
+ input_register_device
+ input_set_abs_params
+ input_unregister_device
+ __ioremap
+ iounmap
+ iput
+ jiffies
+ jiffies_to_msecs
+ kasan_flag_enabled
+ kern_mount
+ kern_unmount
+ kfree
+ kfree_sensitive
+ kfree_skb
+ kill_anon_super
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kobject_add
+ kobject_init
+ kobject_put
+ kobject_uevent
+ krealloc
+ kstrdup
+ kstrndup
+ kstrtobool
+ kstrtoint
+ kstrtouint
+ kstrtoull
+ ktime_get
+ ktime_get_mono_fast_ns
+ ktime_get_raw_ts64
+ ktime_get_real_seconds
+ ktime_get_real_ts64
+ ktime_get_ts64
+ ktime_get_with_offset
+ kvfree
+ kvfree_call_rcu
+ kvmalloc_node
+ __list_add_valid
+ __list_del_entry_valid
+ __local_bh_enable_ip
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ lzo1x_decompress_safe
+ memcpy
+ memmove
+ memparse
+ memremap
+ memset
+ memstart_addr
+ memunmap
+ misc_deregister
+ misc_register
+ mod_delayed_work_on
+ mod_timer
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ __mutex_init
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_trylock
+ mutex_unlock
+ napi_gro_receive
+ __netdev_alloc_skb
+ netdev_err
+ netdev_info
+ netdev_rx_handler_register
+ netdev_rx_handler_unregister
+ netdev_upper_dev_unlink
+ netdev_warn
+ netif_carrier_off
+ netif_carrier_on
+ netif_device_detach
+ netif_rx
+ netif_rx_ni
+ netif_tx_stop_all_queues
+ netif_tx_wake_queue
+ netlink_broadcast
+ netlink_register_notifier
+ netlink_unicast
+ netlink_unregister_notifier
+ net_ratelimit
+ nf_conntrack_destroy
+ nla_memcpy
+ __nla_parse
+ nla_put_64bit
+ nla_put
+ no_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ __num_online_cpus
+ of_find_property
+ of_get_property
+ of_property_read_variable_u32_array
+ __page_pinner_migration_failed
+ param_ops_bint
+ param_ops_bool
+ param_ops_charp
+ param_ops_int
+ param_ops_uint
+ passthru_features_check
+ pci_disable_device
+ pci_enable_device
+ pci_iomap
+ pci_read_config_byte
+ pci_read_config_dword
+ pci_read_config_word
+ __pci_register_driver
+ pci_release_region
+ pci_release_regions
+ pci_request_region
+ pci_request_regions
+ pci_set_master
+ pci_unregister_driver
+ pci_write_config_dword
+ __per_cpu_offset
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_resource
+ pm_runtime_allow
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ pm_wakeup_dev_event
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait
+ prepare_to_wait_event
+ printk
+ __pskb_pull_tail
+ put_device
+ put_disk
+ __put_page
+ __put_task_struct
+ put_unused_fd
+ queue_delayed_work_on
+ queue_work_on
+ ___ratelimit
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ __rcu_read_lock
+ __rcu_read_unlock
+ refcount_warn_saturate
+ register_blkdev
+ register_netdev
+ register_netdevice
+ register_netdevice_notifier
+ register_pernet_device
+ register_shrinker
+ register_virtio_device
+ register_virtio_driver
+ regmap_exit
+ __regmap_init
+ regmap_read
+ regmap_write
+ release_firmware
+ remap_pfn_range
+ request_firmware
+ __request_module
+ request_threaded_irq
+ revalidate_disk_size
+ rhashtable_insert_slow
+ __rht_bucket_nested
+ rht_bucket_nested
+ rht_bucket_nested_insert
+ rtnl_is_locked
+ rtnl_link_register
+ rtnl_link_unregister
+ rtnl_lock
+ rtnl_unlock
+ schedule
+ schedule_timeout
+ schedule_timeout_uninterruptible
+ scnprintf
+ seq_lseek
+ seq_open
+ seq_printf
+ seq_read
+ seq_release
+ serio_close
+ serio_interrupt
+ serio_open
+ serio_reconnect
+ __serio_register_driver
+ __serio_register_port
+ serio_unregister_driver
+ set_disk_ro
+ __SetPageMovable
+ sg_alloc_table
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_next
+ simple_strtoul
+ skb_add_rx_frag
+ skb_clone
+ skb_copy
+ skb_copy_bits
+ skb_copy_expand
+ skb_dequeue
+ skb_pull
+ skb_push
+ skb_put
+ skb_queue_head
+ skb_queue_purge
+ skb_queue_tail
+ skb_trim
+ snd_card_disconnect
+ snd_card_free
+ snd_card_new
+ snd_card_register
+ snd_card_rw_proc_new
+ snd_component_add
+ snd_ctl_add
+ _snd_ctl_add_follower
+ snd_ctl_boolean_mono_info
+ snd_ctl_enum_info
+ snd_ctl_find_id
+ snd_ctl_make_virtual_master
+ snd_ctl_new1
+ snd_ctl_sync_vmaster
+ snd_device_new
+ snd_dma_alloc_pages
+ snd_dma_free_pages
+ snd_jack_new
+ snd_jack_report
+ snd_pci_quirk_lookup
+ snd_pcm_add_chmap_ctls
+ snd_pcm_alt_chmaps
+ snd_pcm_hw_constraint_integer
+ snd_pcm_hw_limit_rates
+ snd_pcm_new
+ snd_pcm_period_elapsed
+ snd_pcm_set_managed_buffer_all
+ snd_pcm_set_ops
+ snd_pcm_std_chmaps
+ snprintf
+ sort
+ sprintf
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ strcmp
+ strcpy
+ strlcpy
+ strlen
+ strncmp
+ strncpy
+ strsep
+ submit_bio
+ __sw_hweight16
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ sync_file_create
+ synchronize_net
+ synchronize_rcu
+ sysfs_create_group
+ sysfs_create_link
+ __sysfs_match_string
+ sysfs_remove_group
+ sysfs_remove_link
+ system_freezable_wq
+ system_wq
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ trace_raw_output_prep
+ trace_seq_printf
+ try_module_get
+ __udelay
+ unlock_page
+ unregister_blkdev
+ unregister_netdev
+ unregister_netdevice_many
+ unregister_netdevice_notifier
+ unregister_netdevice_queue
+ unregister_pernet_device
+ unregister_shrinker
+ unregister_virtio_device
+ unregister_virtio_driver
+ up_read
+ up_write
+ usb_alloc_urb
+ usb_anchor_urb
+ usb_control_msg
+ usb_deregister
+ usb_free_urb
+ usb_kill_anchored_urbs
+ usb_register_driver
+ usb_submit_urb
+ usb_unanchor_urb
+ __usecs_to_jiffies
+ usleep_range
+ vabits_actual
+ vfree
+ virtio_check_driver_offered_feature
+ virtio_config_changed
+ virtqueue_add_inbuf
+ virtqueue_add_outbuf
+ virtqueue_add_sgs
+ virtqueue_detach_unused_buf
+ virtqueue_disable_cb
+ virtqueue_enable_cb
+ virtqueue_get_avail_addr
+ virtqueue_get_buf
+ virtqueue_get_desc_addr
+ virtqueue_get_used_addr
+ virtqueue_get_vring_size
+ virtqueue_is_broken
+ virtqueue_kick
+ virtqueue_kick_prepare
+ virtqueue_notify
+ vring_create_virtqueue
+ vring_del_virtqueue
+ vring_interrupt
+ vring_transport_features
+ wait_for_completion
+ __wake_up
+ __warn_printk
+
+# required by ambakmi.ko
+ amba_release_regions
+ amba_request_regions
+ clk_get
+ clk_put
+ serio_unregister_port
+
+# required by armmmci.ko
+ clk_round_rate
+ clk_set_rate
+ devm_clk_get
+ devm_of_iomap
+ devm_pinctrl_get
+ __devm_reset_control_get
+ dmam_alloc_attrs
+ dma_release_channel
+ dma_request_chan
+ mmc_add_host
+ mmc_alloc_host
+ mmc_free_host
+ mmc_gpiod_request_cd
+ mmc_gpiod_request_ro
+ mmc_gpio_get_cd
+ mmc_gpio_get_ro
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_remove_host
+ mmc_request_done
+ mmc_send_tuning
+ pinctrl_lookup_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_select_default_state
+ pinctrl_select_state
+ regulator_disable
+ regulator_enable
+ reset_control_assert
+ reset_control_deassert
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+
+# required by btintel.ko
+ bt_to_errno
+ hci_cmd_sync
+ request_firmware_direct
+
+# required by btusb.ko
+ bit_wait_timeout
+ btbcm_set_bdaddr
+ btbcm_setup_apple
+ btbcm_setup_patchram
+ device_wakeup_disable
+ disable_irq
+ disable_irq_nosync
+ enable_irq
+ gpiod_get_optional
+ gpiod_put
+ gpiod_set_value_cansleep
+ __hci_cmd_sync_ev
+ hci_recv_diag
+ irq_modify_status
+ irq_set_irq_wake
+ of_irq_get_byname
+ of_match_device
+ of_property_read_variable_u16_array
+ out_of_line_wait_on_bit_timeout
+ pm_system_wakeup
+ usb_autopm_get_interface
+ usb_autopm_put_interface
+ usb_bulk_msg
+ usb_driver_claim_interface
+ usb_driver_release_interface
+ usb_enable_autosuspend
+ usb_get_from_anchor
+ usb_ifnum_to_if
+ usb_match_id
+ usb_queue_reset_device
+ usb_scuttle_anchored_urbs
+ usb_set_interface
+ wake_up_bit
+
+# required by cfg80211.ko
+ bpf_trace_run10
+ bpf_trace_run7
+ debugfs_rename
+ dev_change_net_namespace
+ dev_get_by_index
+ device_rename
+ gcd
+ genlmsg_multicast_allns
+ get_net_ns_by_fd
+ get_net_ns_by_pid
+ inet_csk_get_port
+ init_uts_ns
+ key_create_or_update
+ key_put
+ keyring_alloc
+ ktime_get_coarse_with_offset
+ memcmp
+ net_ns_type_operations
+ nla_find
+ nla_reserve
+ __nla_validate
+ of_prop_next_u32
+ __put_net
+ rb_erase
+ rb_insert_color
+ request_firmware_nowait
+ rfkill_alloc
+ rfkill_blocked
+ rfkill_destroy
+ rfkill_pause_polling
+ rfkill_register
+ rfkill_resume_polling
+ rfkill_set_hw_state
+ rfkill_unregister
+ __sock_create
+ sock_release
+ system_power_efficient_wq
+ trace_print_array_seq
+ verify_pkcs7_signature
+ wireless_nlevent_flush
+
+# required by clk-vexpress-osc.ko
+ clk_hw_set_rate_range
+ devm_clk_hw_register
+ devm_of_clk_add_hw_provider
+ of_clk_hw_simple_get
+ of_property_read_string
+
+# required by dummy-cpufreq.ko
+ cpufreq_generic_attr
+ cpufreq_register_driver
+ cpufreq_unregister_driver
+
+# required by failover.ko
+ netdev_master_upper_dev_link
+
+# required by gnss-cmdline.ko
+ bus_find_device
+ device_find_child
+ device_match_name
+ platform_bus_type
+ strstr
+
+# required by gnss-serial.ko
+ gnss_allocate_device
+ gnss_deregister_device
+ gnss_insert_raw
+ gnss_put_device
+ gnss_register_device
+ serdev_device_close
+ serdev_device_open
+ serdev_device_set_baudrate
+ serdev_device_set_flow_control
+ serdev_device_wait_until_sent
+ serdev_device_write
+ serdev_device_write_wakeup
+
+# required by goldfish_battery.ko
+ power_supply_changed
+ power_supply_get_drvdata
+ power_supply_register
+ power_supply_unregister
+
+# required by goldfish_pipe.ko
+ get_user_pages_fast
+ set_page_dirty
+
+# required by goldfish_sync.ko
+ __close_fd
+ dma_fence_default_wait
+ dma_fence_free
+
+# required by gs_usb.ko
+ alloc_candev_mqs
+ alloc_can_err_skb
+ alloc_can_skb
+ can_change_mtu
+ can_free_echo_skb
+ can_get_echo_skb
+ can_put_echo_skb
+ close_candev
+ free_candev
+ open_candev
+ register_candev
+ unregister_candev
+ usb_alloc_coherent
+ usb_free_coherent
+
+# required by hci_vhci.ko
+ _copy_from_iter_full
+
+# required by ledtrig-audio.ko
+ led_set_brightness_nosleep
+ led_trigger_event
+ led_trigger_register
+ led_trigger_unregister
+
+# required by lzo-rle.ko
+ lzorle1x_1_compress
+
+# required by lzo.ko
+ lzo1x_1_compress
+
+# required by mac80211.ko
+ __alloc_percpu_gfp
+ arc4_crypt
+ arc4_setkey
+ call_rcu
+ crc32_be
+ crypto_aead_decrypt
+ crypto_aead_encrypt
+ crypto_aead_setauthsize
+ crypto_aead_setkey
+ crypto_alloc_aead
+ crypto_alloc_shash
+ crypto_alloc_skcipher
+ __crypto_memneq
+ crypto_shash_digest
+ crypto_shash_finup
+ crypto_shash_setkey
+ crypto_shash_update
+ crypto_skcipher_decrypt
+ crypto_skcipher_encrypt
+ crypto_skcipher_setkey
+ __crypto_xor
+ dev_fetch_sw_netstats
+ find_next_bit
+ flush_delayed_work
+ get_random_u32
+ __hw_addr_init
+ __hw_addr_sync
+ __hw_addr_unsync
+ kernel_param_lock
+ kernel_param_unlock
+ kfree_skb_list
+ ktime_get_seconds
+ netdev_set_default_ethtool_ops
+ netif_receive_skb
+ netif_receive_skb_list
+ prandom_bytes
+ prandom_u32
+ pskb_expand_head
+ ___pskb_trim
+ rcu_barrier
+ register_inet6addr_notifier
+ register_inetaddr_notifier
+ rhashtable_free_and_destroy
+ rhltable_init
+ round_jiffies
+ round_jiffies_relative
+ round_jiffies_up
+ skb_checksum_help
+ skb_clone_sk
+ skb_complete_wifi_ack
+ skb_ensure_writable
+ __skb_get_hash
+ __skb_gso_segment
+ unregister_inet6addr_notifier
+ unregister_inetaddr_notifier
+
+# required by mac80211_hwsim.ko
+ debugfs_attr_read
+ debugfs_attr_write
+ device_bind_driver
+ dst_release
+ genl_notify
+ hrtimer_cancel
+ hrtimer_forward
+ hrtimer_init
+ hrtimer_start_range_ns
+ net_namespace_list
+ param_ops_ushort
+ rhashtable_destroy
+ rhashtable_init
+ schedule_timeout_interruptible
+ simple_attr_open
+ simple_attr_release
+ __skb_ext_put
+ skb_unlink
+
+# required by md-mod.ko
+ ack_all_badblocks
+ alloc_page_buffers
+ _atomic_dec_and_lock
+ autoremove_wake_function
+ badblocks_clear
+ badblocks_exit
+ badblocks_init
+ badblocks_set
+ badblocks_show
+ badblocks_store
+ bdev_check_media_change
+ bdevname
+ bdev_read_only
+ bd_link_disk_holder
+ bd_unlink_disk_holder
+ bio_add_page
+ bio_associate_blkg
+ bio_put
+ bioset_exit
+ bioset_init
+ blkdev_get_by_dev
+ blkdev_put
+ blk_finish_plug
+ blk_queue_split
+ blk_register_region
+ blk_set_stacking_limits
+ blk_start_plug
+ blk_sync_queue
+ blk_unregister_region
+ bmap
+ fget
+ file_path
+ flush_signals
+ free_buffer_head
+ int_pow
+ invalidate_bdev
+ invalidate_mapping_pages
+ kernel_sigaction
+ kernfs_find_and_get_ns
+ kernfs_notify
+ kernfs_put
+ kobject_del
+ kobject_get
+ kstrtoll
+ kthread_create_on_node
+ kthread_parkme
+ kthread_should_park
+ kthread_should_stop
+ kthread_stop
+ mempool_alloc
+ mempool_create
+ mempool_destroy
+ mempool_exit
+ mempool_free
+ mempool_init
+ mempool_kfree
+ mempool_kmalloc
+ part_end_io_acct
+ part_start_io_acct
+ percpu_ref_exit
+ percpu_ref_init
+ percpu_ref_is_zero
+ percpu_ref_switch_to_atomic_sync
+ percpu_ref_switch_to_percpu
+ proc_create
+ proc_dointvec
+ register_reboot_notifier
+ register_sysctl_table
+ remove_proc_entry
+ seq_file_path
+ skip_spaces
+ strreplace
+ submit_bh
+ submit_bio_wait
+ sync_blockdev
+ unregister_reboot_notifier
+ unregister_sysctl_table
+ vfs_fsync
+ wake_up_process
+
+# required by nd_virtio.ko
+ bio_chain
+ bio_clone_blkg_association
+
+# required by net_failover.ko
+ call_netdevice_notifiers
+ dev_get_stats
+ dev_mc_sync_multiple
+ dev_mc_unsync
+ dev_open
+ dev_set_mtu
+ dev_uc_sync_multiple
+ dev_uc_unsync
+ __ethtool_get_link_ksettings
+ netdev_change_features
+ netdev_increment_features
+ netdev_lower_state_changed
+ netdev_pick_tx
+ pci_bus_type
+
+# required by psmouse.ko
+ bus_register_notifier
+ bus_unregister_notifier
+ device_add_groups
+ device_create_file
+ device_remove_file
+ device_remove_groups
+ i2c_adapter_type
+ i2c_bus_type
+ i2c_client_type
+ i2c_for_each_dev
+ i2c_new_scanned_device
+ i2c_unregister_device
+ i2c_verify_adapter
+ input_mt_assign_slots
+ input_mt_drop_unused
+ input_mt_report_finger_count
+ input_mt_report_pointer_emulation
+ input_mt_report_slot_state
+ input_mt_sync_frame
+ input_set_capability
+ kstrtou8
+ ps2_begin_command
+ ps2_cmd_aborted
+ ps2_command
+ ps2_drain
+ ps2_end_command
+ ps2_handle_ack
+ ps2_handle_response
+ ps2_init
+ ps2_sendbyte
+ ps2_sliced_command
+ serio_rescan
+ serio_unregister_child_port
+ strcasecmp
+
+# required by pulse8-cec.ko
+ cec_allocate_adapter
+ cec_delete_adapter
+ cec_received_msg_ts
+ cec_register_adapter
+ cec_s_log_addrs
+ cec_s_phys_addr
+ cec_transmit_attempt_done_ts
+ cec_unregister_adapter
+ strscpy
+ wait_for_completion_timeout
+
+# required by rtc-test.ko
+ add_timer
+ devm_rtc_allocate_device
+ platform_device_add
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ __rtc_register_device
+ rtc_time64_to_tm
+ rtc_tm_to_time64
+ rtc_update_irq
+
+# required by slcan.ko
+ hex_asc_upper
+ hex_to_bin
+ msleep_interruptible
+ tty_hangup
+ tty_mode_ioctl
+ tty_register_ldisc
+ tty_unregister_ldisc
+
+# required by snd-ac97-codec.ko
+ snd_ctl_remove_id
+ snd_info_create_card_entry
+ snd_info_free_entry
+ snd_interval_refine
+ snd_pcm_hw_rule_add
+ strcat
+
+# required by snd-hda-codec-generic.ko
+ devm_led_classdev_register_ext
+ snd_ctl_boolean_stereo_info
+ strchr
+ strlcat
+
+# required by snd-hda-codec.ko
+ current_work
+ device_attach
+ driver_register
+ driver_unregister
+ get_device_system_crosststamp
+ kvasprintf
+ ns_to_timespec64
+ pm_runtime_forbid
+ __printk_ratelimit
+ regcache_mark_dirty
+ snd_ctl_add_vmaster_hook
+ snd_ctl_apply_vmaster_followers
+ snd_ctl_remove
+ snd_device_disconnect
+ snd_device_free
+ snd_jack_set_key
+ snd_pcm_hw_constraint_minmax
+ snd_pcm_hw_constraint_step
+ snd_pcm_lib_default_mmap
+ snd_pcm_set_sync
+ strncat
+ timecounter_read
+
+# required by snd-hda-core.ko
+ add_uevent_var
+ kasprintf
+ kobject_create_and_add
+ pm_runtime_get_if_active
+ __pm_runtime_set_status
+ regcache_cache_only
+ regcache_sync
+ regmap_update_bits_base
+ snd_pcm_format_width
+ timecounter_init
+
+# required by snd-hda-intel.ko
+ complete_all
+ param_array_ops
+ param_get_int
+ param_set_int
+ pci_dev_put
+ pci_disable_msi
+ pci_enable_msi
+ pci_get_device
+ pci_intx
+ pci_ioremap_bar
+ pci_match_id
+ pci_set_power_state
+ pci_write_config_byte
+ pci_write_config_word
+
+# required by snd-intel8x0.ko
+ snd_pcm_hw_constraint_list
+ snd_pcm_hw_constraint_msbits
+
+# required by system_heap.ko
+ deferred_free
+ dmabuf_page_pool_alloc
+ dmabuf_page_pool_create
+ dmabuf_page_pool_destroy
+ dmabuf_page_pool_free
+ dma_heap_add
+ dma_heap_get_dev
+ dma_heap_get_name
+ dma_sync_sg_for_cpu
+ __sg_page_iter_next
+ __sg_page_iter_start
+ vmalloc
+ vmap
+ vunmap
+
+# required by tpm.ko
+ alloc_chrdev_region
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ compat_only_sysfs_link_entry_to_kobj
+ devm_add_action
+ efi
+ efi_tpm_final_log_size
+ hash_digest_size
+ idr_replace
+ jiffies_to_usecs
+ memchr_inv
+ of_property_match_string
+ pm_suspend_global_flags
+ securityfs_create_dir
+ securityfs_create_file
+ securityfs_remove
+ seq_putc
+ seq_write
+ unregister_chrdev_region
+
+# required by tpm_vtpm_proxy.ko
+ anon_inode_getfile
+ compat_ptr_ioctl
+
+# required by usbip-core.ko
+ sock_recvmsg
+
+# required by vcan.ko
+ sock_efree
+
+# required by vexpress-config.ko
+ devres_add
+ devres_alloc_node
+ devres_free
+ of_device_is_compatible
+ of_find_compatible_node
+ of_get_next_parent
+ of_parse_phandle
+ of_platform_populate
+ of_root
+
+# required by vexpress-sysreg.ko
+ bgpio_init
+ devm_gpiochip_add_data_with_key
+ devm_mfd_add_devices
+
+# required by vhci-hcd.ko
+ kernel_sock_shutdown
+ platform_bus
+ sockfd_lookup
+
+# required by virt_wifi.ko
+ __module_get
+ netdev_upper_dev_link
+ netif_stacked_transfer_operstate
+
+# required by virtio-gpu.ko
+ __devm_request_region
+ dma_fence_match_context
+ dma_fence_wait_timeout
+ dma_resv_add_excl_fence
+ dma_resv_test_signaled_rcu
+ dma_resv_wait_timeout_rcu
+ drm_add_edid_modes
+ drm_add_modes_noedid
+ drm_atomic_get_crtc_state
+ drm_atomic_helper_check
+ drm_atomic_helper_check_plane_state
+ drm_atomic_helper_commit
+ drm_atomic_helper_connector_destroy_state
+ drm_atomic_helper_connector_duplicate_state
+ drm_atomic_helper_connector_reset
+ drm_atomic_helper_crtc_destroy_state
+ drm_atomic_helper_crtc_duplicate_state
+ drm_atomic_helper_crtc_reset
+ drm_atomic_helper_damage_merged
+ drm_atomic_helper_dirtyfb
+ drm_atomic_helper_disable_plane
+ drm_atomic_helper_page_flip
+ drm_atomic_helper_plane_destroy_state
+ drm_atomic_helper_plane_duplicate_state
+ drm_atomic_helper_plane_reset
+ drm_atomic_helper_set_config
+ drm_atomic_helper_shutdown
+ drm_atomic_helper_update_plane
+ drm_compat_ioctl
+ drm_connector_attach_edid_property
+ drm_connector_attach_encoder
+ drm_connector_cleanup
+ drm_connector_init
+ drm_connector_register
+ drm_connector_unregister
+ drm_connector_update_edid_property
+ drm_crtc_cleanup
+ drm_crtc_init_with_planes
+ drm_cvt_mode
+ __drm_dbg
+ drm_debugfs_create_files
+ drm_dev_alloc
+ drm_dev_enter
+ drm_dev_exit
+ drm_dev_get
+ drm_dev_printk
+ drm_dev_put
+ drm_dev_register
+ drm_dev_set_unique
+ drm_dev_unplug
+ drm_do_get_edid
+ __drm_err
+ drm_framebuffer_init
+ drm_gem_create_mmap_offset
+ drm_gem_dmabuf_mmap
+ drm_gem_dmabuf_release
+ drm_gem_dmabuf_vmap
+ drm_gem_dmabuf_vunmap
+ drm_gem_fb_create_handle
+ drm_gem_fb_destroy
+ drm_gem_free_mmap_offset
+ drm_gem_handle_create
+ drm_gem_lock_reservations
+ drm_gem_map_attach
+ drm_gem_map_detach
+ drm_gem_map_dma_buf
+ drm_gem_mmap
+ drm_gem_object_free
+ drm_gem_object_lookup
+ drm_gem_object_release
+ drm_gem_prime_fd_to_handle
+ drm_gem_prime_handle_to_fd
+ drm_gem_prime_import
+ drm_gem_prime_mmap
+ drm_gem_private_object_init
+ drm_gem_shmem_create
+ drm_gem_shmem_free_object
+ drm_gem_shmem_get_sg_table
+ drm_gem_shmem_mmap
+ drm_gem_shmem_pin
+ drm_gem_shmem_print_info
+ drm_gem_shmem_unpin
+ drm_gem_shmem_vmap
+ drm_gem_shmem_vunmap
+ drm_gem_unlock_reservations
+ drm_gem_unmap_dma_buf
+ drm_gem_vm_close
+ drm_gem_vm_open
+ drm_helper_hpd_irq_event
+ drm_helper_mode_fill_fb_struct
+ drm_helper_probe_single_connector_modes
+ drm_ioctl
+ drm_kms_helper_hotplug_event
+ drm_mm_init
+ drm_mm_insert_node_in_range
+ drmm_mode_config_init
+ drm_mm_print
+ drm_mm_remove_node
+ drm_mm_takedown
+ drm_mode_config_reset
+ drm_mode_probed_add
+ drm_open
+ drm_plane_cleanup
+ drm_poll
+ __drm_printfn_seq_file
+ __drm_puts_seq_file
+ drm_read
+ drm_release
+ drm_set_preferred_mode
+ drm_simple_encoder_init
+ drm_universal_plane_init
+ __get_task_comm
+ iomem_resource
+ is_vmalloc_addr
+ memdup_user
+ seq_puts
+ sync_file_get_fence
+ __traceiter_dma_fence_emit
+ __traceiter_gpu_mem_total
+ __tracepoint_dma_fence_emit
+ __tracepoint_gpu_mem_total
+ vmalloc_to_page
+ vmemdup_user
+ vm_get_page_prot
+ ww_mutex_lock_interruptible
+ ww_mutex_unlock
+
+# required by virtio-rng.ko
+ wait_for_completion_killable
+
+# required by virtio_balloon.ko
+ adjust_managed_page_count
+ all_vm_events
+ balloon_aops
+ balloon_page_alloc
+ balloon_page_dequeue
+ balloon_page_enqueue
+ init_on_free
+ page_reporting_register
+ page_reporting_unregister
+ register_oom_notifier
+ si_mem_available
+ si_meminfo
+ unregister_oom_notifier
+ vm_event_states
+ vm_node_stat
+
+# required by virtio_blk.ko
+ blk_execute_rq
+ blk_get_request
+ blk_mq_alloc_tag_set
+ blk_mq_complete_request
+ blk_mq_end_request
+ blk_mq_free_tag_set
+ blk_mq_init_queue
+ blk_mq_quiesce_queue
+ blk_mq_start_request
+ blk_mq_start_stopped_hw_queues
+ blk_mq_stop_hw_queue
+ blk_mq_unquiesce_queue
+ blk_mq_virtio_map_queues
+ blk_put_request
+ blk_queue_alignment_offset
+ blk_queue_max_discard_segments
+ blk_queue_max_hw_sectors
+ blk_queue_max_segments
+ blk_queue_max_segment_size
+ blk_rq_map_kern
+ __blk_rq_map_sg
+ set_capacity_revalidate_and_notify
+ string_get_size
+ virtio_max_dma_size
+
+# required by virtio_console.ko
+ cdev_add
+ cdev_alloc
+ cdev_del
+ device_destroy
+ fasync_helper
+ freezing_slow_path
+ hvc_alloc
+ hvc_instantiate
+ hvc_kick
+ hvc_poll
+ hvc_remove
+ __hvc_resize
+ kill_fasync
+ pipe_lock
+ pipe_unlock
+ __refrigerator
+ __register_chrdev
+ single_open
+ single_release
+ __splice_from_pipe
+ system_freezing_cnt
+ __unregister_chrdev
+
+# required by virtio_mmio.ko
+ device_for_each_child
+ devm_platform_ioremap_resource
+
+# required by virtio_net.ko
+ bpf_dispatcher_xdp_func
+ bpf_prog_add
+ bpf_prog_put
+ bpf_prog_sub
+ bpf_stats_enabled_key
+ bpf_warn_invalid_xdp_action
+ build_skb
+ cpumask_next_wrap
+ cpus_read_lock
+ cpus_read_unlock
+ eth_commit_mac_addr_change
+ eth_prepare_mac_addr_change
+ ethtool_op_get_ts_info
+ ethtool_virtdev_set_link_ksettings
+ flow_keys_basic_dissector
+ __napi_alloc_skb
+ napi_complete_done
+ napi_consume_skb
+ napi_disable
+ __napi_schedule
+ napi_schedule_prep
+ netdev_notify_peers
+ netif_device_attach
+ netif_napi_add
+ __netif_napi_del
+ netif_schedule_queue
+ netif_set_real_num_rx_queues
+ netif_set_real_num_tx_queues
+ __netif_set_xps_queue
+ _raw_spin_trylock
+ sched_clock
+ skb_coalesce_rx_frag
+ __skb_flow_dissect
+ skb_page_frag_refill
+ skb_partial_csum_set
+ skb_to_sgvec
+ skb_tstamp_tx
+ softnet_data
+ __traceiter_xdp_exception
+ __tracepoint_xdp_exception
+ virtqueue_add_inbuf_ctx
+ virtqueue_enable_cb_delayed
+ virtqueue_enable_cb_prepare
+ virtqueue_get_buf_ctx
+ virtqueue_poll
+ xdp_convert_zc_to_xdp_frame
+ xdp_do_flush
+ xdp_do_redirect
+ xdp_return_frame
+ xdp_return_frame_rx_napi
+ xdp_rxq_info_reg
+ xdp_rxq_info_reg_mem_model
+ xdp_rxq_info_unreg
+ xdp_warn
+
+# required by virtio_pci.ko
+ irq_set_affinity_hint
+ pci_alloc_irq_vectors_affinity
+ pci_device_is_present
+ pci_disable_sriov
+ pci_enable_sriov
+ pci_find_capability
+ pci_find_ext_capability
+ pci_find_next_capability
+ pci_free_irq_vectors
+ pci_iomap_range
+ pci_irq_get_affinity
+ pci_irq_vector
+ pci_release_selected_regions
+ pci_request_selected_regions
+ pci_vfs_assigned
+ synchronize_irq
+ virtio_break_device
+ virtio_device_freeze
+ virtio_device_restore
+
+# required by virtio_pmem.ko
+ nvdimm_bus_register
+ nvdimm_bus_unregister
+ nvdimm_pmem_region_create
+
+# required by virtio_snd.ko
+ snd_ctl_notify
+ snd_pcm_format_physical_width
+ snd_pcm_lib_free_pages
+ snd_pcm_lib_ioctl
+ snd_pcm_lib_malloc_pages
+ snd_pcm_lib_preallocate_pages
+ _snd_pcm_stream_lock_irqsave
+ snd_pcm_stream_unlock_irqrestore
+ wait_for_completion_interruptible_timeout
+
+# required by vmw_vsock_virtio_transport.ko
+ virtio_transport_connect
+ virtio_transport_deliver_tap_pkt
+ virtio_transport_destruct
+ virtio_transport_dgram_allow
+ virtio_transport_dgram_bind
+ virtio_transport_dgram_dequeue
+ virtio_transport_dgram_enqueue
+ virtio_transport_do_socket_init
+ virtio_transport_free_pkt
+ virtio_transport_notify_buffer_size
+ virtio_transport_notify_poll_in
+ virtio_transport_notify_poll_out
+ virtio_transport_notify_recv_init
+ virtio_transport_notify_recv_post_dequeue
+ virtio_transport_notify_recv_pre_block
+ virtio_transport_notify_recv_pre_dequeue
+ virtio_transport_notify_send_init
+ virtio_transport_notify_send_post_enqueue
+ virtio_transport_notify_send_pre_block
+ virtio_transport_notify_send_pre_enqueue
+ virtio_transport_recv_pkt
+ virtio_transport_release
+ virtio_transport_shutdown
+ virtio_transport_stream_allow
+ virtio_transport_stream_dequeue
+ virtio_transport_stream_enqueue
+ virtio_transport_stream_has_data
+ virtio_transport_stream_has_space
+ virtio_transport_stream_is_active
+ virtio_transport_stream_rcvhiwat
+ vsock_core_register
+ vsock_core_unregister
+ vsock_for_each_connected_socket
+
+# required by zram.ko
+ __alloc_percpu
+ bdget_disk
+ bdput
+ crypto_alloc_base
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_has_alg
+ disk_end_io_acct
+ disk_start_io_acct
+ flush_dcache_page
+ fsync_bdev
+ kstrtou16
+ memset64
+ mutex_is_locked
+ page_endio
+ sysfs_streq
+ vzalloc
+
+# required by zsmalloc.ko
+ dec_zone_page_state
+ inc_zone_page_state
+ __lock_page
+ page_mapping
+ _raw_read_lock
+ _raw_read_unlock
+ _raw_write_lock
+ _raw_write_unlock
diff --git a/android/abi_gki_aarch64_vivo b/android/abi_gki_aarch64_vivo
new file mode 100644
index 0000000..c3bc87e
--- /dev/null
+++ b/android/abi_gki_aarch64_vivo
@@ -0,0 +1,2075 @@
+[abi_symbol_list]
+ activate_task
+ add_cpu
+ add_device_randomness
+ add_memory
+ add_memory_subsection
+ add_timer
+ add_uevent_var
+ add_wait_queue
+ alarm_cancel
+ alarm_init
+ alarm_start
+ alloc_anon_inode
+ alloc_chrdev_region
+ __alloc_disk_node
+ alloc_io_pgtable_ops
+ __alloc_pages_nodemask
+ __alloc_percpu
+ __alloc_skb
+ alloc_skb_with_frags
+ alloc_workqueue
+ amba_bustype
+ amba_driver_register
+ amba_driver_unregister
+ android_debug_per_cpu_symbol
+ android_debug_symbol
+ android_rvh_probe_register
+ anon_inode_getfile
+ __arch_copy_from_user
+ __arch_copy_in_user
+ __arch_copy_to_user
+ arch_timer_read_counter
+ argv_free
+ argv_split
+ arm64_const_caps_ready
+ arm64_use_ng_mappings
+ __arm_smccc_smc
+ atomic_notifier_call_chain
+ atomic_notifier_chain_register
+ atomic_notifier_chain_unregister
+ available_idle_cpu
+ bdget_disk
+ bdput
+ bio_add_pc_page
+ bio_endio
+ bio_reset
+ bitmap_allocate_region
+ __bitmap_clear
+ bitmap_find_next_zero_area_off
+ __bitmap_or
+ bitmap_parselist_user
+ bitmap_print_to_pagebuf
+ bitmap_release_region
+ __bitmap_set
+ blk_alloc_queue
+ blk_bio_list_merge
+ blkcg_policy_register
+ blkcg_policy_unregister
+ blk_cleanup_queue
+ blk_execute_rq
+ blk_execute_rq_nowait
+ blk_get_request
+ blk_mq_debugfs_rq_show
+ blk_mq_rq_cpu
+ blk_mq_run_hw_queue
+ blk_mq_sched_mark_restart_hctx
+ blk_mq_sched_request_inserted
+ blk_put_request
+ blk_queue_flag_clear
+ blk_queue_flag_set
+ blk_queue_io_min
+ blk_queue_io_opt
+ blk_queue_logical_block_size
+ blk_queue_max_discard_sectors
+ blk_queue_max_write_zeroes_sectors
+ blk_queue_physical_block_size
+ blk_rq_append_bio
+ blk_rq_map_kern
+ blk_rq_map_user
+ blk_rq_map_user_iov
+ blk_rq_unmap_user
+ blk_stat_enable_accounting
+ blk_verify_command
+ blocking_notifier_call_chain
+ blocking_notifier_chain_register
+ blocking_notifier_chain_unregister
+ bpf_trace_run1
+ bpf_trace_run10
+ bpf_trace_run12
+ bpf_trace_run2
+ bpf_trace_run3
+ bpf_trace_run4
+ bpf_trace_run5
+ bpf_trace_run6
+ bpf_trace_run7
+ bpf_trace_run8
+ bpf_trace_run9
+ bus_find_device
+ bus_for_each_dev
+ bus_register
+ bus_set_iommu
+ bus_unregister
+ cancel_delayed_work
+ cancel_delayed_work_sync
+ cancel_work_sync
+ capable
+ cdev_add
+ cdev_alloc
+ cdev_del
+ cdev_device_add
+ cdev_device_del
+ cdev_init
+ __cfi_slowpath
+ cgroup_path_ns
+ cgroup_taskset_first
+ cgroup_taskset_next
+ __check_object_size
+ check_preempt_curr
+ check_zeroed_user
+ __class_create
+ class_destroy
+ class_find_device
+ class_for_each_device
+ class_interface_unregister
+ __class_register
+ class_unregister
+ cleanup_srcu_struct
+ clear_page
+ __ClearPageMovable
+ clk_bulk_disable
+ clk_bulk_enable
+ clk_bulk_prepare
+ clk_bulk_put_all
+ clk_bulk_unprepare
+ __clk_determine_rate
+ clk_disable
+ clk_enable
+ clk_fixed_factor_ops
+ clk_fixed_rate_ops
+ clk_get
+ __clk_get_hw
+ __clk_get_name
+ clk_get_parent
+ clk_get_rate
+ clk_hw_get_flags
+ clk_hw_get_name
+ clk_hw_get_num_parents
+ clk_hw_get_parent
+ clk_hw_get_parent_by_index
+ clk_hw_get_rate
+ clk_hw_is_enabled
+ clk_hw_is_prepared
+ clk_hw_register
+ clk_hw_round_rate
+ clk_hw_unregister
+ __clk_is_enabled
+ __clk_mux_determine_rate_closest
+ clk_notifier_register
+ clk_notifier_unregister
+ clk_prepare
+ clk_put
+ clk_round_rate
+ clk_set_parent
+ clk_set_rate
+ clk_sync_state
+ clk_unprepare
+ cma_alloc
+ cma_get_name
+ cma_release
+ compat_alloc_user_space
+ compat_ptr_ioctl
+ complete
+ complete_all
+ completion_done
+ component_add
+ component_bind_all
+ component_del
+ component_master_add_with_match
+ component_master_del
+ component_match_add_release
+ component_unbind_all
+ config_ep_by_speed
+ configfs_register_subsystem
+ configfs_unregister_subsystem
+ config_group_init
+ config_group_init_type_name
+ config_item_get
+ config_item_put
+ console_stop
+ console_suspend_enabled
+ __const_udelay
+ consume_skb
+ contig_page_data
+ _copy_from_iter_full
+ __cpu_active_mask
+ cpu_bit_bitmap
+ cpufreq_cpu_get
+ cpufreq_cpu_get_raw
+ cpufreq_cpu_put
+ cpufreq_disable_fast_switch
+ cpufreq_driver_fast_switch
+ cpufreq_driver_resolve_freq
+ __cpufreq_driver_target
+ cpufreq_enable_fast_switch
+ cpufreq_freq_attr_scaling_available_freqs
+ cpufreq_freq_attr_scaling_boost_freqs
+ cpufreq_generic_frequency_table_verify
+ cpufreq_get_policy
+ cpufreq_register_driver
+ cpufreq_register_governor
+ cpufreq_register_notifier
+ cpufreq_unregister_driver
+ cpufreq_unregister_notifier
+ __cpuhp_remove_state
+ __cpuhp_setup_state
+ __cpuhp_setup_state_cpuslocked
+ __cpuhp_state_add_instance
+ __cpuhp_state_remove_instance
+ cpu_hwcap_keys
+ cpu_hwcaps
+ cpuidle_governor_latency_req
+ cpuidle_register_governor
+ cpu_irqtime
+ cpu_latency_qos_add_request
+ cpu_latency_qos_remove_request
+ cpu_latency_qos_request_active
+ cpu_latency_qos_update_request
+ cpumask_next
+ cpumask_next_and
+ cpu_number
+ __cpu_online_mask
+ cpu_pm_register_notifier
+ cpu_pm_unregister_notifier
+ __cpu_possible_mask
+ __cpu_present_mask
+ cpupri_find_fitness
+ cpu_scale
+ cpus_read_lock
+ cpus_read_unlock
+ cpu_subsys
+ cpu_topology
+ crc8
+ crc8_populate_msb
+ crypto_alloc_base
+ crypto_comp_compress
+ crypto_comp_decompress
+ crypto_destroy_tfm
+ crypto_has_alg
+ crypto_register_alg
+ crypto_register_rngs
+ crypto_register_scomp
+ crypto_unregister_alg
+ crypto_unregister_rngs
+ crypto_unregister_scomp
+ css_next_child
+ _ctype
+ datagram_poll
+ deactivate_task
+ debugfs_attr_read
+ debugfs_attr_write
+ debugfs_create_bool
+ debugfs_create_dir
+ debugfs_create_file
+ debugfs_create_file_unsafe
+ debugfs_create_u32
+ debugfs_create_u8
+ debugfs_create_x32
+ debugfs_create_x8
+ debugfs_file_get
+ debugfs_file_put
+ debugfs_lookup
+ debugfs_remove
+ dec_zone_page_state
+ default_llseek
+ deferred_free
+ delayed_work_timer_fn
+ del_gendisk
+ del_timer
+ del_timer_sync
+ desc_to_gpio
+ destroy_workqueue
+ dev_coredumpv
+ _dev_crit
+ dev_driver_string
+ _dev_err
+ devfreq_add_device
+ devfreq_add_governor
+ devfreq_cooling_unregister
+ devfreq_remove_device
+ devfreq_remove_governor
+ devfreq_resume_device
+ devfreq_suspend_device
+ dev_fwnode
+ dev_get_by_name
+ dev_get_regmap
+ device_add
+ device_add_disk
+ device_add_groups
+ device_create
+ device_create_file
+ device_del
+ device_destroy
+ device_find_child
+ device_for_each_child
+ device_get_match_data
+ device_initialize
+ device_init_wakeup
+ device_link_add
+ device_match_fwnode
+ device_match_name
+ device_property_present
+ device_property_read_string
+ device_property_read_u16_array
+ device_property_read_u32_array
+ device_register
+ device_remove_file
+ device_show_int
+ device_store_int
+ device_unregister
+ device_wakeup_disable
+ device_wakeup_enable
+ _dev_info
+ devm_add_action
+ devm_blk_ksm_init
+ devm_clk_bulk_get_all
+ devm_clk_get
+ devm_clk_hw_register
+ devm_clk_put
+ devm_clk_register
+ devm_device_add_group
+ devm_device_remove_group
+ devm_extcon_dev_allocate
+ devm_extcon_dev_register
+ devm_extcon_dev_unregister
+ devm_free_irq
+ devm_gpiod_get_optional
+ devm_gpio_request
+ devm_gpio_request_one
+ devm_hwspin_lock_register
+ devm_iio_channel_get
+ devm_iio_device_alloc
+ __devm_iio_device_register
+ devm_input_allocate_device
+ devm_ioremap
+ devm_ioremap_resource
+ devm_ioremap_wc
+ devm_iounmap
+ devm_kasprintf
+ devm_kfree
+ devm_kmalloc
+ devm_kmemdup
+ devm_kstrdup
+ devm_led_classdev_register_ext
+ devm_nvmem_cell_get
+ devm_nvmem_device_get
+ devm_nvmem_register
+ devm_of_clk_add_hw_provider
+ devm_of_icc_get
+ __devm_of_phy_provider_register
+ devm_of_platform_populate
+ devm_of_pwm_get
+ devm_pci_alloc_host_bridge
+ devm_phy_create
+ devm_phy_get
+ devm_pinctrl_get
+ devm_pinctrl_put
+ devm_pinctrl_register
+ devm_platform_ioremap_resource
+ devm_platform_ioremap_resource_byname
+ devm_power_supply_register
+ devm_regmap_field_alloc
+ __devm_regmap_init
+ __devm_regmap_init_i2c
+ __devm_regmap_init_mmio_clk
+ devm_regulator_bulk_get
+ devm_regulator_get
+ devm_regulator_get_optional
+ devm_regulator_put
+ devm_regulator_register
+ devm_regulator_register_notifier
+ devm_request_any_context_irq
+ devm_request_threaded_irq
+ __devm_reset_control_get
+ devm_reset_controller_register
+ devm_rtc_allocate_device
+ devm_thermal_of_cooling_device_register
+ devm_thermal_zone_of_sensor_register
+ devm_usb_get_phy_by_node
+ _dev_notice
+ dev_pm_domain_attach
+ dev_pm_domain_attach_by_name
+ dev_pm_domain_detach
+ dev_pm_genpd_add_notifier
+ dev_pm_genpd_remove_notifier
+ dev_pm_genpd_set_next_wakeup
+ dev_pm_genpd_set_performance_state
+ dev_pm_opp_add
+ dev_pm_opp_find_freq_ceil
+ dev_pm_opp_find_freq_exact
+ dev_pm_opp_find_freq_floor
+ dev_pm_opp_get_opp_count
+ dev_pm_opp_get_voltage
+ dev_pm_opp_of_add_table
+ dev_pm_opp_of_find_icc_paths
+ dev_pm_opp_of_register_em
+ dev_pm_opp_of_remove_table
+ dev_pm_opp_put
+ dev_pm_opp_put_clkname
+ dev_pm_opp_remove_all_dynamic
+ dev_pm_opp_set_clkname
+ dev_pm_opp_set_rate
+ dev_pm_opp_set_sharing_cpus
+ dev_pm_qos_add_notifier
+ dev_pm_qos_add_request
+ dev_pm_qos_read_value
+ dev_pm_qos_remove_notifier
+ dev_pm_qos_remove_request
+ dev_pm_qos_update_request
+ dev_printk
+ devres_add
+ devres_alloc_node
+ devres_free
+ devres_release
+ dev_set_name
+ _dev_warn
+ disable_irq
+ disable_irq_nosync
+ disable_percpu_irq
+ disk_end_io_acct
+ disk_start_io_acct
+ divider_get_val
+ divider_recalc_rate
+ divider_ro_round_rate_parent
+ divider_round_rate_parent
+ dma_alloc_attrs
+ dma_async_device_register
+ dma_async_device_unregister
+ dma_async_tx_descriptor_init
+ dma_buf_attach
+ dma_buf_begin_cpu_access
+ dma_buf_begin_cpu_access_partial
+ dma_buf_detach
+ dma_buf_end_cpu_access
+ dma_buf_end_cpu_access_partial
+ dma_buf_export
+ dma_buf_fd
+ dma_buf_get
+ dma_buf_map_attachment
+ dma_buf_put
+ dma_buf_unmap_attachment
+ dma_buf_vmap
+ dma_buf_vunmap
+ dma_fence_add_callback
+ dma_fence_array_create
+ dma_fence_array_ops
+ dma_fence_context_alloc
+ dma_fence_default_wait
+ dma_fence_enable_sw_signaling
+ dma_fence_free
+ dma_fence_get_status
+ dma_fence_init
+ dma_fence_release
+ dma_fence_remove_callback
+ dma_fence_signal
+ dma_fence_signal_locked
+ dma_fence_wait_timeout
+ dma_free_attrs
+ dma_get_sgtable_attrs
+ dma_get_slave_channel
+ dma_heap_add
+ dma_heap_buffer_alloc
+ dma_heap_find
+ dma_heap_get_dev
+ dma_heap_get_drvdata
+ dma_heap_get_name
+ dmam_alloc_attrs
+ dma_map_page_attrs
+ dma_map_resource
+ dma_map_sg_attrs
+ dmam_free_coherent
+ dma_release_channel
+ dma_request_chan
+ dma_set_coherent_mask
+ dma_set_mask
+ dma_sync_sg_for_cpu
+ dma_sync_sg_for_device
+ dma_sync_single_for_cpu
+ dma_sync_single_for_device
+ dma_unmap_page_attrs
+ dma_unmap_resource
+ dma_unmap_sg_attrs
+ do_exit
+ down_read
+ down_write
+ d_path
+ dput
+ drain_workqueue
+ driver_find_device
+ driver_register
+ driver_unregister
+ edac_device_add_device
+ edac_device_alloc_ctl_info
+ edac_device_alloc_index
+ edac_device_del_device
+ edac_device_free_ctl_info
+ edac_device_handle_ce_count
+ edac_device_handle_ue_count
+ elevator_alloc
+ elv_register
+ elv_unregister
+ enable_irq
+ enable_percpu_irq
+ eventfd_ctx_fdget
+ eventfd_ctx_fileget
+ eventfd_ctx_put
+ eventfd_ctx_remove_wait_queue
+ eventfd_signal
+ event_triggers_call
+ extcon_get_edev_by_phandle
+ extcon_get_edev_name
+ extcon_get_property
+ extcon_get_state
+ extcon_register_notifier
+ extcon_set_state_sync
+ failure_tracking
+ fasync_helper
+ __fdget
+ fd_install
+ fget
+ filp_close
+ filp_open_block
+ find_last_bit
+ find_next_bit
+ find_next_zero_bit
+ find_snd_usb_substream
+ find_task_by_vpid
+ find_vma
+ find_vpid
+ finish_wait
+ firmware_request_nowarn
+ flush_dcache_page
+ flush_delayed_work
+ flush_work
+ flush_workqueue
+ fput
+ free_io_pgtable_ops
+ free_irq
+ __free_pages
+ free_pages
+ free_percpu
+ free_percpu_irq
+ freq_qos_add_request
+ freq_qos_remove_request
+ freq_qos_update_request
+ freq_scale
+ fsync_bdev
+ fwnode_find_reference
+ fwnode_get_next_child_node
+ fwnode_handle_get
+ fwnode_handle_put
+ fwnode_property_present
+ fwnode_property_read_string
+ fwnode_property_read_u32_array
+ generic_device_group
+ generic_handle_irq
+ generic_iommu_put_resv_regions
+ genlmsg_put
+ genl_register_family
+ genl_unregister_family
+ gen_pool_add_owner
+ gen_pool_alloc_algo_owner
+ gen_pool_avail
+ gen_pool_best_fit
+ gen_pool_create
+ gen_pool_destroy
+ gen_pool_first_fit_order_align
+ gen_pool_free_owner
+ gen_pool_has_addr
+ gen_pool_set_algo
+ gen_pool_size
+ gen_pool_virt_to_phys
+ getboottime64
+ get_cpu_device
+ get_device
+ __get_free_pages
+ get_governor_parent_kobj
+ get_option
+ get_pid_task
+ get_random_bytes
+ get_random_u32
+ get_sg_io_hdr
+ __get_task_comm
+ get_task_mm
+ get_task_pid
+ get_unmapped_area
+ get_unused_fd_flags
+ get_user_pages
+ gfp_zone
+ gic_nonsecure_priorities
+ gov_attr_set_init
+ gov_attr_set_put
+ governor_sysfs_ops
+ gpiochip_add_data_with_key
+ gpiochip_add_pin_range
+ gpiochip_generic_free
+ gpiochip_generic_request
+ gpiochip_get_data
+ gpiochip_line_is_valid
+ gpiochip_lock_as_irq
+ gpiochip_remove
+ gpiochip_unlock_as_irq
+ gpiod_direction_input
+ gpiod_direction_output
+ gpiod_direction_output_raw
+ gpiod_get_optional
+ gpiod_get_raw_value
+ gpiod_get_raw_value_cansleep
+ gpiod_get_value
+ gpiod_set_raw_value
+ gpiod_set_value
+ gpiod_set_value_cansleep
+ gpiod_to_irq
+ gpio_free
+ gpio_request
+ gpio_request_one
+ gpio_to_desc
+ handle_bad_irq
+ handle_edge_irq
+ handle_fasteoi_ack_irq
+ handle_fasteoi_irq
+ handle_level_irq
+ handle_nested_irq
+ handle_simple_irq
+ handle_sysrq
+ hashlen_string
+ hex_dump_to_buffer
+ hrtimer_active
+ hrtimer_cancel
+ hrtimer_forward
+ __hrtimer_get_remaining
+ hrtimer_init
+ hrtimer_start_range_ns
+ hrtimer_try_to_cancel
+ hvc_alloc
+ hvc_kick
+ hvc_poll
+ hvc_remove
+ hwrng_register
+ hwrng_unregister
+ hwspin_lock_free
+ hwspin_lock_request_specific
+ __hwspin_lock_timeout
+ __hwspin_unlock
+ hypervisor_kobj
+ i2c_add_adapter
+ i2c_del_adapter
+ i2c_del_driver
+ i2c_get_dma_safe_msg_buf
+ i2c_put_dma_safe_msg_buf
+ i2c_register_driver
+ i2c_smbus_read_byte_data
+ i2c_smbus_write_byte_data
+ i2c_transfer
+ i2c_transfer_buffer_flags
+ icc_get
+ icc_link_create
+ icc_node_add
+ icc_node_create
+ icc_node_del
+ icc_node_destroy
+ icc_provider_add
+ icc_provider_del
+ icc_put
+ icc_set_bw
+ icc_set_tag
+ ida_alloc_range
+ ida_free
+ idr_alloc
+ idr_alloc_cyclic
+ idr_destroy
+ idr_find
+ idr_for_each
+ idr_get_next
+ idr_preload
+ idr_remove
+ idr_replace
+ iio_channel_get
+ iio_channel_get_all
+ iio_channel_release
+ iio_read_channel_processed
+ import_iovec
+ inc_zone_page_state
+ in_egroup_p
+ init_iova_domain
+ init_net
+ init_pseudo
+ __init_rwsem
+ init_srcu_struct
+ __init_swait_queue_head
+ init_task
+ init_timer_key
+ init_uts_ns
+ init_wait_entry
+ __init_waitqueue_head
+ input_alloc_absinfo
+ input_allocate_device
+ input_close_device
+ input_event
+ input_free_device
+ input_mt_init_slots
+ input_mt_report_pointer_emulation
+ input_mt_report_slot_state
+ input_open_device
+ input_register_device
+ input_register_handle
+ input_register_handler
+ input_set_abs_params
+ input_set_capability
+ input_unregister_device
+ input_unregister_handle
+ input_unregister_handler
+ interval_tree_insert
+ interval_tree_iter_first
+ interval_tree_iter_next
+ interval_tree_remove
+ int_sqrt
+ iommu_alloc_resv_region
+ iommu_attach_device
+ iommu_detach_device
+ iommu_device_register
+ iommu_device_sysfs_add
+ iommu_device_sysfs_remove
+ iommu_device_unregister
+ iommu_dma_get_resv_regions
+ iommu_domain_alloc
+ iommu_domain_free
+ iommu_domain_get_attr
+ iommu_domain_set_attr
+ iommu_fwspec_add_ids
+ iommu_fwspec_free
+ iommu_get_dma_cookie
+ iommu_get_domain_for_dev
+ iommu_get_msi_cookie
+ iommu_group_for_each_dev
+ iommu_group_get
+ iommu_group_get_iommudata
+ iommu_group_put
+ iommu_group_ref_get
+ iommu_group_set_iommudata
+ iommu_iova_to_phys
+ iommu_map
+ iommu_map_sg
+ iommu_present
+ iommu_put_dma_cookie
+ iommu_set_fault_handler
+ iommu_unmap
+ __ioread32_copy
+ __ioremap
+ iounmap
+ __iowrite32_copy
+ ipi_desc_get
+ iput
+ irq_chip_ack_parent
+ irq_chip_disable_parent
+ irq_chip_enable_parent
+ irq_chip_eoi_parent
+ irq_chip_get_parent_state
+ irq_chip_mask_parent
+ irq_chip_retrigger_hierarchy
+ irq_chip_set_affinity_parent
+ irq_chip_set_parent_state
+ irq_chip_set_type_parent
+ irq_chip_set_vcpu_affinity_parent
+ irq_chip_set_wake_parent
+ irq_chip_unmask_parent
+ irq_create_fwspec_mapping
+ irq_dispose_mapping
+ __irq_domain_add
+ irq_domain_alloc_irqs_parent
+ irq_domain_create_hierarchy
+ irq_domain_free_irqs_common
+ irq_domain_free_irqs_parent
+ irq_domain_get_irq_data
+ irq_domain_remove
+ irq_domain_set_hwirq_and_chip
+ irq_domain_set_info
+ irq_domain_update_bus_token
+ irq_domain_xlate_twocell
+ irq_find_mapping
+ irq_find_matching_fwspec
+ irq_get_irqchip_state
+ irq_get_irq_data
+ irq_modify_status
+ irq_of_parse_and_map
+ irq_set_affinity_hint
+ irq_set_affinity_notifier
+ irq_set_chained_handler_and_data
+ irq_set_chip_and_handler_name
+ irq_set_chip_data
+ irq_set_irqchip_state
+ irq_set_irq_type
+ irq_set_irq_wake
+ irq_set_parent
+ irq_to_desc
+ irq_work_queue
+ irq_work_queue_on
+ irq_work_sync
+ is_dma_buf_file
+ is_vmalloc_addr
+ jiffies
+ jiffies_to_msecs
+ jiffies_to_usecs
+ kasan_flag_enabled
+ kasprintf
+ kernel_bind
+ kernel_connect
+ kernel_getsockname
+ kernel_kobj
+ kernel_recvmsg
+ kernel_restart
+ kernel_sendmsg
+ kern_mount
+ kern_unmount
+ __kfifo_alloc
+ __kfifo_in
+ __kfifo_out
+ kfree
+ kfree_const
+ kfree_sensitive
+ kfree_skb
+ kill_anon_super
+ kill_fasync
+ kimage_vaddr
+ kimage_voffset
+ __kmalloc
+ kmalloc_caches
+ kmalloc_order_trace
+ kmem_cache_alloc
+ kmem_cache_alloc_trace
+ kmem_cache_create
+ kmem_cache_create_usercopy
+ kmem_cache_destroy
+ kmem_cache_free
+ kmemdup
+ kmemdup_nul
+ kobject_add
+ kobject_create_and_add
+ kobject_del
+ kobject_init
+ kobject_init_and_add
+ kobject_put
+ kobject_set_name
+ kobject_uevent
+ kobj_sysfs_ops
+ krealloc
+ kset_create_and_add
+ ksize
+ ksoftirqd
+ kstat
+ kstat_irqs_cpu
+ kstat_irqs_usr
+ kstrdup
+ kstrdup_const
+ kstrndup
+ kstrtobool
+ kstrtoint
+ kstrtoll
+ kstrtou16
+ kstrtou16_from_user
+ kstrtou8
+ kstrtou8_from_user
+ kstrtouint
+ kstrtouint_from_user
+ _kstrtoul
+ kstrtoul_from_user
+ kstrtoull
+ kstrtoull_from_user
+ kthread_bind_mask
+ kthread_cancel_work_sync
+ kthread_create_on_node
+ kthread_create_worker
+ kthread_destroy_worker
+ kthread_flush_worker
+ __kthread_init_worker
+ kthread_queue_work
+ kthread_should_stop
+ kthread_stop
+ kthread_worker_fn
+ ktime_get
+ ktime_get_mono_fast_ns
+ ktime_get_real_seconds
+ ktime_get_real_ts64
+ ktime_get_with_offset
+ kvfree
+ kvmalloc_node
+ led_classdev_flash_register_ext
+ led_classdev_flash_unregister
+ led_classdev_unregister
+ __list_add_valid
+ __list_del_entry_valid
+ list_sort
+ llist_add_batch
+ llist_reverse_order
+ __lock_page
+ lock_sock_nested
+ log_buf_addr_get
+ log_buf_len_get
+ __log_post_read_mmio
+ __log_read_mmio
+ __log_write_mmio
+ lzo1x_1_compress
+ lzo1x_decompress_safe
+ lzorle1x_1_compress
+ match_string
+ mbox_chan_received_data
+ mbox_chan_txdone
+ mbox_client_txdone
+ mbox_controller_register
+ mbox_controller_unregister
+ mbox_free_channel
+ mbox_request_channel
+ mbox_send_message
+ memblock_end_of_DRAM
+ __memcat_p
+ memcpy
+ __memcpy_fromio
+ __memcpy_toio
+ memdup_user
+ memmove
+ memory_block_size_bytes
+ memory_read_from_buffer
+ memparse
+ mempool_alloc
+ mempool_alloc_slab
+ mempool_create
+ mempool_destroy
+ mempool_free
+ mempool_free_slab
+ memremap
+ memset
+ memset64
+ __memset_io
+ memstart_addr
+ memunmap
+ migrate_swap
+ misc_deregister
+ misc_register
+ mmc_cqe_request_done
+ mmc_of_parse
+ mmc_regulator_get_supply
+ mmc_regulator_set_ocr
+ mmc_regulator_set_vqmmc
+ mmc_send_tuning
+ mmput
+ mod_delayed_work_on
+ mod_node_page_state
+ mod_timer
+ __module_get
+ module_layout
+ module_put
+ __msecs_to_jiffies
+ msleep
+ msleep_interruptible
+ __mutex_init
+ mutex_is_locked
+ mutex_lock
+ mutex_lock_interruptible
+ mutex_trylock
+ mutex_unlock
+ netlink_broadcast
+ __netlink_kernel_create
+ netlink_kernel_release
+ netlink_unicast
+ __next_zones_zonelist
+ nla_find
+ nla_put
+ nla_reserve
+ nla_reserve_64bit
+ __nla_validate
+ __nlmsg_put
+ no_llseek
+ nonseekable_open
+ noop_llseek
+ nr_cpu_ids
+ nr_ipi_get
+ nr_irqs
+ ns_to_timespec64
+ __num_online_cpus
+ nvmem_cell_get
+ nvmem_cell_put
+ nvmem_cell_read
+ nvmem_cell_read_u32
+ nvmem_cell_write
+ nvmem_device_read
+ nvmem_device_write
+ of_address_to_resource
+ of_alias_get_id
+ of_clk_add_hw_provider
+ of_clk_add_provider
+ of_clk_del_provider
+ of_clk_hw_simple_get
+ of_clk_src_simple_get
+ of_count_phandle_with_args
+ of_cpufreq_cooling_register
+ of_cpu_node_to_id
+ of_css
+ of_devfreq_cooling_register
+ of_device_get_match_data
+ of_device_is_available
+ of_device_is_compatible
+ of_dma_configure_id
+ of_dma_controller_free
+ of_dma_controller_register
+ of_dma_is_coherent
+ of_drm_find_panel
+ of_find_compatible_node
+ of_find_device_by_node
+ of_find_i2c_device_by_node
+ of_find_matching_node_and_match
+ of_find_node_by_name
+ of_find_node_by_phandle
+ of_find_node_opts_by_path
+ of_find_node_with_property
+ of_find_property
+ of_fwnode_ops
+ of_genpd_add_provider_onecell
+ of_genpd_del_provider
+ of_get_address
+ of_get_child_by_name
+ of_get_cpu_node
+ of_get_named_gpio_flags
+ of_get_next_available_child
+ of_get_next_child
+ of_get_next_parent
+ of_get_property
+ of_get_regulator_init_data
+ of_graph_get_next_endpoint
+ of_graph_get_port_parent
+ of_graph_get_remote_endpoint
+ of_graph_is_present
+ of_graph_parse_endpoint
+ of_hwspin_lock_get_id
+ of_icc_get
+ of_icc_xlate_onecell
+ of_iomap
+ of_irq_find_parent
+ of_irq_get
+ of_irq_get_byname
+ of_irq_parse_one
+ of_match_device
+ of_match_node
+ of_n_addr_cells
+ of_node_name_eq
+ of_n_size_cells
+ of_parse_phandle
+ of_parse_phandle_with_args
+ of_parse_phandle_with_fixed_args
+ of_phandle_iterator_init
+ of_phandle_iterator_next
+ of_phy_simple_xlate
+ of_platform_depopulate
+ of_platform_device_create
+ of_platform_device_destroy
+ of_platform_populate
+ of_property_count_elems_of_size
+ of_property_match_string
+ of_property_read_string
+ of_property_read_string_helper
+ of_property_read_u32_index
+ of_property_read_u64_index
+ of_property_read_variable_u16_array
+ of_property_read_variable_u32_array
+ of_property_read_variable_u8_array
+ of_prop_next_string
+ of_prop_next_u32
+ of_reserved_mem_device_init_by_idx
+ of_reserved_mem_device_release
+ of_reserved_mem_lookup
+ of_root
+ of_thermal_get_ntrips
+ of_thermal_get_trip_points
+ of_thermal_is_trip_valid
+ of_translate_address
+ on_each_cpu
+ oops_in_progress
+ overflowuid
+ page_endio
+ page_mapping
+ __page_pinner_migration_failed
+ panic
+ panic_notifier_list
+ panic_timeout
+ param_get_int
+ param_ops_bool
+ param_ops_int
+ param_ops_uint
+ param_set_bool
+ pause_cpus
+ pci_alloc_irq_vectors_affinity
+ pci_assign_resource
+ pci_bus_type
+ pci_clear_master
+ pci_device_group
+ pci_dev_present
+ pci_disable_device
+ pcie_capability_read_word
+ pci_enable_device
+ pci_find_ext_capability
+ pci_free_irq_vectors
+ pci_get_device
+ pci_host_probe
+ pci_iomap
+ pci_irq_vector
+ pci_load_and_free_saved_state
+ pci_load_saved_state
+ pci_msi_create_irq_domain
+ pci_msi_mask_irq
+ pci_msi_unmask_irq
+ pci_read_config_dword
+ pci_read_config_word
+ __pci_register_driver
+ pci_release_region
+ pci_request_region
+ pci_restore_state
+ pci_save_state
+ pci_set_master
+ pci_set_power_state
+ pci_store_saved_state
+ pci_unregister_driver
+ pci_walk_bus
+ pci_write_config_dword
+ __per_cpu_offset
+ per_cpu_ptr_to_phys
+ perf_aux_output_begin
+ perf_aux_output_end
+ perf_aux_output_flag
+ perf_event_create_kernel_counter
+ perf_event_disable
+ perf_event_enable
+ perf_event_read_local
+ perf_event_read_value
+ perf_event_release_kernel
+ perf_get_aux
+ perf_pmu_register
+ perf_pmu_unregister
+ perf_trace_buf_alloc
+ perf_trace_run_bpf_submit
+ pfn_valid
+ phy_calibrate
+ phy_exit
+ phy_init
+ phy_power_off
+ phy_power_on
+ phy_set_mode_ext
+ pick_highest_pushable_task
+ pid_nr_ns
+ pid_task
+ pinconf_generic_dt_node_to_map
+ pinctrl_dev_get_drvdata
+ pinctrl_force_default
+ pinctrl_force_sleep
+ pinctrl_lookup_state
+ pinctrl_pm_select_default_state
+ pinctrl_pm_select_sleep_state
+ pinctrl_select_state
+ pinctrl_utils_free_map
+ platform_bus_type
+ platform_device_add
+ platform_device_alloc
+ platform_device_del
+ platform_device_put
+ platform_device_register_full
+ platform_device_unregister
+ __platform_driver_register
+ platform_driver_unregister
+ platform_get_irq
+ platform_get_irq_byname
+ platform_get_resource
+ platform_get_resource_byname
+ platform_irq_count
+ pm_clk_add
+ pm_clk_create
+ pm_clk_destroy
+ pm_clk_resume
+ pm_clk_suspend
+ pm_genpd_add_subdomain
+ pm_genpd_init
+ pm_genpd_remove
+ pm_genpd_remove_subdomain
+ pm_power_off
+ __pm_relax
+ pm_relax
+ pm_runtime_allow
+ pm_runtime_barrier
+ __pm_runtime_disable
+ pm_runtime_enable
+ pm_runtime_forbid
+ pm_runtime_force_resume
+ pm_runtime_force_suspend
+ __pm_runtime_idle
+ pm_runtime_irq_safe
+ pm_runtime_no_callbacks
+ __pm_runtime_resume
+ pm_runtime_set_autosuspend_delay
+ __pm_runtime_set_status
+ __pm_runtime_suspend
+ __pm_runtime_use_autosuspend
+ __pm_stay_awake
+ pm_stay_awake
+ pm_wakeup_dev_event
+ pm_wakeup_ws_event
+ power_supply_changed
+ power_supply_get_by_name
+ power_supply_get_drvdata
+ power_supply_get_property
+ power_supply_put
+ power_supply_register
+ power_supply_reg_notifier
+ power_supply_set_property
+ power_supply_unregister
+ power_supply_unreg_notifier
+ prandom_u32
+ preempt_schedule
+ preempt_schedule_notrace
+ prepare_to_wait_event
+ print_hex_dump
+ printk
+ printk_deferred
+ proc_dointvec
+ proc_dointvec_minmax
+ proc_dostring
+ proc_douintvec_minmax
+ profile_event_register
+ profile_event_unregister
+ proto_register
+ proto_unregister
+ __pskb_pull_tail
+ put_device
+ put_disk
+ put_iova_domain
+ __put_page
+ put_pid
+ put_sg_io_hdr
+ __put_task_struct
+ put_unused_fd
+ pwm_apply_state
+ pwmchip_add
+ pwmchip_remove
+ qcom_smem_state_get
+ qcom_smem_state_register
+ qcom_smem_state_unregister
+ qcom_smem_state_update_bits
+ queue_delayed_work_on
+ queue_work_on
+ radix_tree_insert
+ radix_tree_iter_delete
+ radix_tree_lookup
+ radix_tree_next_chunk
+ ___ratelimit
+ rational_best_approximation
+ raw_notifier_call_chain
+ raw_notifier_chain_register
+ raw_notifier_chain_unregister
+ _raw_read_lock
+ _raw_read_lock_bh
+ _raw_read_lock_irq
+ _raw_read_lock_irqsave
+ _raw_read_unlock
+ _raw_read_unlock_bh
+ _raw_read_unlock_irq
+ _raw_read_unlock_irqrestore
+ _raw_spin_lock
+ _raw_spin_lock_bh
+ _raw_spin_lock_irq
+ _raw_spin_lock_irqsave
+ _raw_spin_trylock
+ _raw_spin_trylock_bh
+ _raw_spin_unlock
+ _raw_spin_unlock_bh
+ _raw_spin_unlock_irq
+ _raw_spin_unlock_irqrestore
+ _raw_write_lock
+ _raw_write_lock_bh
+ _raw_write_lock_irq
+ _raw_write_lock_irqsave
+ _raw_write_unlock
+ _raw_write_unlock_bh
+ _raw_write_unlock_irq
+ _raw_write_unlock_irqrestore
+ rb_erase
+ rb_first
+ rb_insert_color
+ rb_last
+ rb_next
+ rb_prev
+ __rcu_read_lock
+ __rcu_read_unlock
+ rdev_get_drvdata
+ reboot_mode
+ refcount_dec_and_lock
+ refcount_dec_not_one
+ refcount_warn_saturate
+ register_blkdev
+ __register_chrdev
+ register_chrdev_region
+ register_console
+ register_die_notifier
+ register_ftrace_export
+ register_kretprobe
+ register_memory_notifier
+ register_module_notifier
+ register_pm_notifier
+ register_reboot_notifier
+ register_restart_handler
+ __register_rpmsg_driver
+ register_shrinker
+ register_syscore_ops
+ register_sysctl_table
+ regmap_bulk_read
+ regmap_bulk_write
+ regmap_check_range_table
+ regmap_field_read
+ regmap_field_update_bits_base
+ __regmap_init
+ regmap_mmio_detach_clk
+ regmap_read
+ regmap_update_bits_base
+ regmap_write
+ regulator_allow_bypass
+ regulator_bulk_disable
+ regulator_count_voltages
+ regulator_disable
+ regulator_disable_deferred
+ regulator_enable
+ regulator_force_disable
+ regulator_get
+ regulator_get_drvdata
+ regulator_get_mode
+ regulator_get_voltage
+ regulator_get_voltage_rdev
+ regulator_is_enabled
+ regulator_is_supported_voltage
+ regulator_list_voltage_linear
+ regulator_notifier_call_chain
+ regulator_put
+ regulator_register_notifier
+ regulator_set_current_limit
+ regulator_set_load
+ regulator_set_mode
+ regulator_set_voltage
+ regulator_unregister_notifier
+ release_firmware
+ release_sock
+ remap_pfn_range
+ remove_cpu
+ remove_memory_subsection
+ report_iommu_fault
+ request_any_context_irq
+ request_firmware
+ request_firmware_into_buf
+ request_firmware_nowait
+ __request_module
+ __request_percpu_irq
+ request_threaded_irq
+ resched_curr
+ reset_control_assert
+ reset_control_deassert
+ resume_cpus
+ revalidate_disk_size
+ rfkill_alloc
+ rfkill_destroy
+ rfkill_init_sw_state
+ rfkill_register
+ rfkill_unregister
+ rndis_deregister
+ rndis_free_response
+ rndis_get_next_response
+ rndis_msg_parser
+ rndis_register
+ rndis_set_host_mac
+ rndis_set_param_dev
+ rndis_set_param_medium
+ rndis_set_param_vendor
+ rndis_signal_connect
+ rndis_uninit
+ root_task_group
+ round_jiffies_relative
+ rpmsg_get_signals
+ rpmsg_poll
+ rpmsg_register_device
+ rpmsg_send
+ rpmsg_set_signals
+ rpmsg_trysend
+ rpmsg_unregister_device
+ rproc_add
+ rproc_add_subdev
+ rproc_alloc
+ rproc_boot
+ rproc_coredump_add_custom_segment
+ rproc_coredump_add_segment
+ rproc_coredump_set_elf_info
+ rproc_coredump_using_sections
+ rproc_del
+ rproc_free
+ rproc_get_by_child
+ rproc_get_by_phandle
+ rproc_put
+ rproc_remove_subdev
+ rproc_report_crash
+ rproc_shutdown
+ rtc_class_close
+ rtc_class_open
+ rtc_read_time
+ __rtc_register_device
+ rtc_time64_to_tm
+ rtc_tm_to_time64
+ rtc_update_irq
+ rtc_valid_tm
+ runqueues
+ sbitmap_add_wait_queue
+ sbitmap_any_bit_set
+ sbitmap_del_wait_queue
+ sbitmap_init_node
+ sbitmap_queue_clear
+ __sbitmap_queue_get
+ sbitmap_queue_init_node
+ sbitmap_queue_min_shallow_depth
+ sbitmap_queue_resize
+ sbitmap_queue_show
+ sched_clock
+ sched_feat_keys
+ sched_feat_names
+ sched_setattr
+ sched_set_fifo
+ sched_set_normal
+ sched_setscheduler
+ sched_setscheduler_nocheck
+ sched_uclamp_used
+ schedule
+ schedule_timeout
+ scnprintf
+ scsi_autopm_get_device
+ scsi_autopm_put_device
+ scsi_block_when_processing_errors
+ scsi_command_size_tbl
+ scsi_compat_ioctl
+ scsi_device_get
+ scsi_device_put
+ scsi_device_quiesce
+ scsi_ioctl
+ scsi_ioctl_block_when_processing_errors
+ __scsi_iterate_devices
+ scsi_normalize_sense
+ __scsi_print_sense
+ scsi_print_sense_hdr
+ scsi_register_interface
+ scsi_remove_device
+ sdev_prefix_printk
+ __sdhci_add_host
+ sdhci_add_host
+ sdhci_cleanup_host
+ sdhci_cqe_disable
+ sdhci_cqe_enable
+ sdhci_cqe_irq
+ sdhci_enable_clk
+ sdhci_get_property
+ sdhci_pltfm_free
+ sdhci_pltfm_init
+ sdhci_remove_host
+ sdhci_reset
+ sdhci_set_bus_width
+ sdhci_set_power_noreg
+ sdhci_setup_host
+ seq_buf_printf
+ seq_list_next
+ seq_list_start
+ seq_lseek
+ seq_open
+ seq_printf
+ seq_putc
+ seq_puts
+ seq_read
+ seq_release
+ set_cpus_allowed_ptr
+ set_normalized_timespec64
+ set_page_dirty_lock
+ __SetPageMovable
+ set_task_cpu
+ set_user_nice
+ sg_alloc_table
+ sg_alloc_table_from_pages
+ sg_free_table
+ sg_init_one
+ sg_init_table
+ sg_miter_next
+ sg_miter_start
+ sg_miter_stop
+ sg_next
+ __sg_page_iter_dma_next
+ __sg_page_iter_next
+ __sg_page_iter_start
+ sg_scsi_ioctl
+ show_regs
+ sigprocmask
+ si_meminfo
+ simple_attr_open
+ simple_attr_release
+ simple_open
+ simple_read_from_buffer
+ simple_write_to_buffer
+ single_open
+ single_release
+ si_swapinfo
+ sk_alloc
+ skb_clone
+ skb_copy_bits
+ skb_copy_datagram_iter
+ skb_dequeue
+ skb_free_datagram
+ __skb_pad
+ skb_push
+ skb_put
+ skb_queue_purge
+ skb_queue_tail
+ skb_recv_datagram
+ skb_set_owner_w
+ skb_store_bits
+ skb_trim
+ sk_free
+ skip_spaces
+ smp_call_function_single
+ snd_pcm_format_width
+ snd_soc_add_component_controls
+ snd_soc_info_volsw
+ snd_soc_register_component
+ snd_soc_unregister_component
+ snd_usb_enable_audio_stream
+ snprintf
+ soc_device_register
+ soc_device_unregister
+ sock_alloc_send_skb
+ sock_create_kern
+ sock_gettstamp
+ sock_init_data
+ sock_no_accept
+ sock_no_listen
+ sock_no_mmap
+ sock_no_sendpage
+ sock_no_shutdown
+ sock_no_socketpair
+ sock_queue_rcv_skb
+ sock_register
+ sock_release
+ sock_setsockopt
+ sock_unregister
+ sort
+ __spi_alloc_controller
+ spi_register_controller
+ spi_unregister_controller
+ spmi_controller_add
+ spmi_controller_alloc
+ spmi_controller_remove
+ __spmi_driver_register
+ spmi_ext_register_read
+ spmi_ext_register_readl
+ spmi_ext_register_write
+ spmi_ext_register_writel
+ spmi_register_read
+ spmi_register_write
+ spmi_register_zero_write
+ sprintf
+ srcu_init_notifier_head
+ srcu_notifier_call_chain
+ srcu_notifier_chain_register
+ srcu_notifier_chain_unregister
+ __srcu_read_lock
+ __srcu_read_unlock
+ sscanf
+ __stack_chk_fail
+ __stack_chk_guard
+ stack_trace_save_tsk
+ static_key_disable
+ stop_machine
+ stop_one_cpu_nowait
+ strcmp
+ strcpy
+ strim
+ strlcat
+ strlcpy
+ strlen
+ strncasecmp
+ strnchr
+ strncmp
+ strncpy
+ strncpy_from_user
+ strnlen
+ strnstr
+ strpbrk
+ strrchr
+ strscpy
+ strsep
+ strstr
+ __sw_hweight32
+ __sw_hweight64
+ __sw_hweight8
+ sync_file_create
+ sync_file_get_fence
+ synchronize_irq
+ synchronize_rcu
+ synchronize_srcu
+ syscon_node_to_regmap
+ syscon_regmap_lookup_by_phandle
+ sysctl_sched_features
+ sysctl_vals
+ sysfs_add_file_to_group
+ sysfs_add_link_to_group
+ sysfs_create_bin_file
+ sysfs_create_file_ns
+ sysfs_create_files
+ sysfs_create_group
+ sysfs_create_link
+ sysfs_emit
+ __sysfs_match_string
+ sysfs_notify
+ sysfs_remove_bin_file
+ sysfs_remove_file_from_group
+ sysfs_remove_file_ns
+ sysfs_remove_files
+ sysfs_remove_group
+ sysfs_remove_link
+ sysfs_remove_link_from_group
+ sysfs_streq
+ sysrq_mask
+ system_freezable_wq
+ system_highpri_wq
+ system_unbound_wq
+ system_wq
+ sys_tz
+ task_active_pid_ns
+ __tasklet_hi_schedule
+ tasklet_init
+ tasklet_kill
+ __tasklet_schedule
+ tasklet_setup
+ tasklist_lock
+ task_may_not_preempt
+ __task_pid_nr_ns
+ __task_rq_lock
+ thermal_cooling_device_unregister
+ thermal_of_cooling_device_register
+ thermal_pressure
+ thermal_zone_device_enable
+ thermal_zone_device_register
+ thermal_zone_device_unregister
+ thermal_zone_device_update
+ thermal_zone_get_slope
+ thermal_zone_get_temp
+ thermal_zone_get_zone_by_name
+ thermal_zone_of_sensor_register
+ thermal_zone_of_sensor_unregister
+ tick_nohz_get_sleep_length
+ time64_to_tm
+ timer_reduce
+ topology_set_thermal_pressure
+ total_swapcache_pages
+ trace_array_get_by_name
+ trace_array_put
+ trace_array_set_clr_event
+ trace_event_buffer_commit
+ trace_event_buffer_reserve
+ trace_event_ignore_this_pid
+ trace_event_raw_init
+ trace_event_reg
+ trace_handle_return
+ __traceiter_android_rvh_account_irq
+ __traceiter_android_rvh_binder_transaction
+ __traceiter_android_rvh_build_perf_domains
+ __traceiter_android_rvh_can_migrate_task
+ __traceiter_android_rvh_check_preempt_wakeup
+ __traceiter_android_rvh_cpu_cgroup_attach
+ __traceiter_android_rvh_cpu_cgroup_online
+ __traceiter_android_rvh_dequeue_task
+ __traceiter_android_rvh_enqueue_task
+ __traceiter_android_rvh_find_busiest_queue
+ __traceiter_android_rvh_find_lowest_rq
+ __traceiter_android_rvh_flush_task
+ __traceiter_android_rvh_migrate_queued_task
+ __traceiter_android_rvh_new_task_stats
+ __traceiter_android_rvh_replace_next_task_fair
+ __traceiter_android_rvh_resume_cpus
+ __traceiter_android_rvh_sched_cpu_dying
+ __traceiter_android_rvh_sched_cpu_starting
+ __traceiter_android_rvh_sched_exec
+ __traceiter_android_rvh_sched_fork
+ __traceiter_android_rvh_sched_fork_init
+ __traceiter_android_rvh_sched_newidle_balance
+ __traceiter_android_rvh_sched_nohz_balancer_kick
+ __traceiter_android_rvh_sched_setaffinity
+ __traceiter_android_rvh_schedule
+ __traceiter_android_rvh_select_task_rq_fair
+ __traceiter_android_rvh_select_task_rq_rt
+ __traceiter_android_rvh_set_gfp_zone_flags
+ __traceiter_android_rvh_set_readahead_gfp_mask
+ __traceiter_android_rvh_set_skip_swapcache_flags
+ __traceiter_android_rvh_set_task_cpu
+ __traceiter_android_rvh_tick_entry
+ __traceiter_android_rvh_try_to_wake_up
+ __traceiter_android_rvh_try_to_wake_up_success
+ __traceiter_android_rvh_ttwu_cond
+ __traceiter_android_rvh_update_cpu_capacity
+ __traceiter_android_rvh_update_cpus_allowed
+ __traceiter_android_rvh_update_misfit_status
+ __traceiter_android_rvh_wake_up_new_task
+ __traceiter_android_vh_allow_domain_state
+ __traceiter_android_vh_binder_restore_priority
+ __traceiter_android_vh_binder_set_priority
+ __traceiter_android_vh_binder_wakeup_ilocked
+ __traceiter_android_vh_blk_alloc_rqs
+ __traceiter_android_vh_blk_rq_ctx_init
+ __traceiter_android_vh_cpu_idle_enter
+ __traceiter_android_vh_cpu_idle_exit
+ __traceiter_android_vh_filemap_fault_cache_page
+ __traceiter_android_vh_filemap_fault_get_page
+ __traceiter_android_vh_ftrace_dump_buffer
+ __traceiter_android_vh_ftrace_format_check
+ __traceiter_android_vh_ftrace_oops_enter
+ __traceiter_android_vh_ftrace_oops_exit
+ __traceiter_android_vh_ftrace_size_check
+ __traceiter_android_vh_iommu_setup_dma_ops
+ __traceiter_android_vh_ipi_stop
+ __traceiter_android_vh_jiffies_update
+ __traceiter_android_vh_mmap_region
+ __traceiter_android_vh_mmc_attach_sd
+ __traceiter_android_vh_mmc_blk_mq_rw_recovery
+ __traceiter_android_vh_mmc_blk_reset
+ __traceiter_android_vh_mmc_gpio_cd_irqt
+ __traceiter_android_vh_mm_dirty_limits
+ __traceiter_android_vh_printk_hotplug
+ __traceiter_android_vh_scheduler_tick
+ __traceiter_android_vh_sdhci_get_cd
+ __traceiter_android_vh_sd_update_bus_speed_mode
+ __traceiter_android_vh_show_max_freq
+ __traceiter_android_vh_show_resume_epoch_val
+ __traceiter_android_vh_show_suspend_epoch_val
+ __traceiter_android_vh_shrink_slab_bypass
+ __traceiter_android_vh_timer_calc_index
+ __traceiter_android_vh_try_to_unmap_one
+ __traceiter_android_vh_ufs_check_int_errors
+ __traceiter_android_vh_ufs_compl_command
+ __traceiter_android_vh_ufs_send_command
+ __traceiter_android_vh_ufs_update_sdev
+ __traceiter_binder_transaction_received
+ __traceiter_block_bio_complete
+ __traceiter_block_bio_queue
+ __traceiter_block_getrq
+ __traceiter_block_rq_complete
+ __traceiter_block_rq_insert
+ __traceiter_block_rq_issue
+ __traceiter_block_rq_merge
+ __traceiter_block_rq_requeue
+ __traceiter_block_split
+ __traceiter_cpu_frequency_limits
+ __traceiter_cpu_idle
+ __traceiter_dwc3_complete_trb
+ __traceiter_dwc3_ctrl_req
+ __traceiter_dwc3_event
+ __traceiter_ipi_entry
+ __traceiter_ipi_raise
+ __traceiter_rwmmio_post_read
+ __traceiter_rwmmio_read
+ __traceiter_rwmmio_write
+ __traceiter_suspend_resume
+ __traceiter_usb_gadget_connect
+ __traceiter_usb_gadget_disconnect
+ __tracepoint_android_rvh_account_irq
+ __tracepoint_android_rvh_binder_transaction
+ __tracepoint_android_rvh_build_perf_domains
+ __tracepoint_android_rvh_can_migrate_task
+ __tracepoint_android_rvh_check_preempt_wakeup
+ __tracepoint_android_rvh_cpu_cgroup_attach
+ __tracepoint_android_rvh_cpu_cgroup_online
+ __tracepoint_android_rvh_dequeue_task
+ __tracepoint_android_rvh_enqueue_task
+ __tracepoint_android_rvh_find_busiest_queue
+ __tracepoint_android_rvh_find_lowest_rq
+ __tracepoint_android_rvh_flush_task
+ __tracepoint_android_rvh_migrate_queued_task
+ __tracepoint_android_rvh_new_task_stats
+ __tracepoint_android_rvh_refrigerator
+ __tracepoint_android_rvh_replace_next_task_fair
+ __tracepoint_android_rvh_resume_cpus
+ __tracepoint_android_rvh_sched_cpu_dying
+ __tracepoint_android_rvh_sched_cpu_starting
+ __tracepoint_android_rvh_sched_exec
+ __tracepoint_android_rvh_sched_fork
+ __tracepoint_android_rvh_sched_fork_init
+ __tracepoint_android_rvh_sched_newidle_balance
+ __tracepoint_android_rvh_sched_nohz_balancer_kick
+ __tracepoint_android_rvh_sched_setaffinity
+ __tracepoint_android_rvh_schedule
+ __tracepoint_android_rvh_select_task_rq_fair
+ __tracepoint_android_rvh_select_task_rq_rt
+ __tracepoint_android_rvh_set_gfp_zone_flags
+ __tracepoint_android_rvh_set_readahead_gfp_mask
+ __tracepoint_android_rvh_set_skip_swapcache_flags
+ __tracepoint_android_rvh_set_task_cpu
+ __tracepoint_android_rvh_tcp_recvmsg
+ __tracepoint_android_rvh_tcp_recvmsg_stat
+ __tracepoint_android_rvh_tcp_sendmsg_locked
+ __tracepoint_android_rvh_tick_entry
+ __tracepoint_android_rvh_try_to_wake_up
+ __tracepoint_android_rvh_try_to_wake_up_success
+ __tracepoint_android_rvh_ttwu_cond
+ __tracepoint_android_rvh_udp_recvmsg
+ __tracepoint_android_rvh_udp_sendmsg
+ __tracepoint_android_rvh_update_cpu_capacity
+ __tracepoint_android_rvh_update_cpus_allowed
+ __tracepoint_android_rvh_update_misfit_status
+ __tracepoint_android_rvh_wake_up_new_task
+ __tracepoint_android_vh_account_task_time
+ __tracepoint_android_vh_allow_domain_state
+ __tracepoint_android_vh_binder_restore_priority
+ __tracepoint_android_vh_binder_set_priority
+ __tracepoint_android_vh_binder_trans
+ __tracepoint_android_vh_binder_wakeup_ilocked
+ __tracepoint_android_vh_blk_alloc_rqs
+ __tracepoint_android_vh_blk_rq_ctx_init
+ __tracepoint_android_vh_cpu_idle_enter
+ __tracepoint_android_vh_cpu_idle_exit
+ __tracepoint_android_vh_dup_task_struct
+ __tracepoint_android_vh_filemap_fault_cache_page
+ __tracepoint_android_vh_filemap_fault_get_page
+ __tracepoint_android_vh_ftrace_dump_buffer
+ __tracepoint_android_vh_ftrace_format_check
+ __tracepoint_android_vh_ftrace_oops_enter
+ __tracepoint_android_vh_ftrace_oops_exit
+ __tracepoint_android_vh_ftrace_size_check
+ __tracepoint_android_vh_iommu_setup_dma_ops
+ __tracepoint_android_vh_ipi_stop
+ __tracepoint_android_vh_irqtime_account_process_tick
+ __tracepoint_android_vh_jiffies_update
+ __tracepoint_android_vh_mmap_region
+ __tracepoint_android_vh_mmc_attach_sd
+ __tracepoint_android_vh_mmc_blk_mq_rw_recovery
+ __tracepoint_android_vh_mmc_blk_reset
+ __tracepoint_android_vh_mmc_gpio_cd_irqt
+ __tracepoint_android_vh_mm_dirty_limits
+ __tracepoint_android_vh_printk_hotplug
+ __tracepoint_android_vh_scheduler_tick
+ __tracepoint_android_vh_sdhci_get_cd
+ __tracepoint_android_vh_sd_update_bus_speed_mode
+ __tracepoint_android_vh_show_max_freq
+ __tracepoint_android_vh_show_resume_epoch_val
+ __tracepoint_android_vh_show_suspend_epoch_val
+ __tracepoint_android_vh_shrink_slab_bypass
+ __tracepoint_android_vh_timer_calc_index
+ __tracepoint_android_vh_try_to_unmap_one
+ __tracepoint_android_vh_tune_scan_type
+ __tracepoint_android_vh_tune_swappiness
+ __tracepoint_android_vh_ufs_check_int_errors
+ __tracepoint_android_vh_ufs_compl_command
+ __tracepoint_android_vh_ufs_send_command
+ __tracepoint_android_vh_ufs_update_sdev
+ __tracepoint_android_vh_vmpressure
+ __tracepoint_binder_transaction_received
+ __tracepoint_block_bio_complete
+ __tracepoint_block_bio_queue
+ __tracepoint_block_getrq
+ __tracepoint_block_rq_complete
+ __tracepoint_block_rq_insert
+ __tracepoint_block_rq_issue
+ __tracepoint_block_rq_merge
+ __tracepoint_block_rq_requeue
+ __tracepoint_block_split
+ __tracepoint_cpu_frequency_limits
+ __tracepoint_cpu_idle
+ __tracepoint_dwc3_complete_trb
+ __tracepoint_dwc3_ctrl_req
+ __tracepoint_dwc3_event
+ __tracepoint_ipi_entry
+ __tracepoint_ipi_raise
+ tracepoint_probe_register
+ tracepoint_probe_register_prio
+ tracepoint_probe_unregister
+ __tracepoint_rwmmio_post_read
+ __tracepoint_rwmmio_read
+ __tracepoint_rwmmio_write
+ __tracepoint_suspend_resume
+ __tracepoint_usb_gadget_connect
+ __tracepoint_usb_gadget_disconnect
+ trace_print_array_seq
+ trace_print_flags_seq
+ trace_print_symbols_seq
+ trace_raw_output_prep
+ trace_seq_printf
+ trace_seq_putc
+ try_module_get
+ try_wait_for_completion
+ tty_flip_buffer_push
+ __tty_insert_flip_char
+ tty_insert_flip_string_fixed_flag
+ uart_add_one_port
+ uart_console_device
+ uart_console_write
+ uart_get_baud_rate
+ uart_insert_char
+ uart_parse_options
+ uart_register_driver
+ uart_remove_one_port
+ uart_resume_port
+ uart_set_options
+ uart_suspend_port
+ uart_try_toggle_sysrq
+ uart_unregister_driver
+ uart_update_timeout
+ uart_write_wakeup
+ uclamp_eff_value
+ ucsi_connector_change
+ ucsi_create
+ ucsi_destroy
+ ucsi_get_drvdata
+ ucsi_register
+ ucsi_send_command
+ ucsi_set_drvdata
+ ucsi_unregister
+ __udelay
+ ufshcd_auto_hibern8_update
+ ufshcd_dme_get_attr
+ ufshcd_dme_set_attr
+ ufshcd_dump_regs
+ ufshcd_fixup_dev_quirks
+ ufshcd_get_local_unipro_ver
+ ufshcd_pltfrm_init
+ ufshcd_pltfrm_resume
+ ufshcd_pltfrm_runtime_idle
+ ufshcd_pltfrm_runtime_resume
+ ufshcd_pltfrm_runtime_suspend
+ ufshcd_pltfrm_suspend
+ ufshcd_query_attr
+ ufshcd_query_attr_retry
+ ufshcd_query_descriptor_retry
+ ufshcd_query_flag
+ ufshcd_read_desc_param
+ ufshcd_remove
+ ufshcd_shutdown
+ ufshcd_uic_hibern8_enter
+ ufshcd_uic_hibern8_exit
+ __uio_register_device
+ uio_unregister_device
+ unlock_page
+ unregister_blkdev
+ __unregister_chrdev
+ unregister_chrdev_region
+ unregister_console
+ unregister_die_notifier
+ unregister_ftrace_export
+ unregister_kretprobe
+ unregister_module_notifier
+ unregister_pm_notifier
+ unregister_reboot_notifier
+ unregister_restart_handler
+ unregister_rpmsg_driver
+ unregister_shrinker
+ unregister_syscore_ops
+ update_devfreq
+ update_rq_clock
+ up_read
+ up_write
+ usb_add_phy_dev
+ usb_alloc_coherent
+ usb_alloc_dev
+ usb_alloc_urb
+ usb_assign_descriptors
+ usb_composite_setup_continue
+ usb_control_msg
+ usb_deregister
+ usb_ep_alloc_request
+ usb_ep_autoconfig
+ usb_ep_dequeue
+ usb_ep_disable
+ usb_ep_enable
+ usb_ep_free_request
+ usb_ep_queue
+ usb_ep_set_halt
+ usb_find_common_endpoints
+ usb_free_all_descriptors
+ usb_free_coherent
+ usb_free_urb
+ usb_function_register
+ usb_function_unregister
+ usb_gadget_wakeup
+ usb_ifnum_to_if
+ usb_interface_id
+ usb_phy_set_charger_current
+ usb_poison_urb
+ usb_put_dev
+ usb_put_function_instance
+ usb_register_driver
+ usb_register_notify
+ usb_remove_phy
+ usb_role_switch_find_by_fwnode
+ usb_role_switch_get_drvdata
+ usb_role_switch_register
+ usb_role_switch_set_role
+ usb_role_switch_unregister
+ usb_set_device_state
+ usb_speed_string
+ usb_string_id
+ usb_submit_urb
+ usb_unregister_notify
+ __usecs_to_jiffies
+ usleep_range
+ v4l2_compat_ioctl32
+ v4l2_ctrl_handler_free
+ v4l2_device_register
+ v4l2_device_unregister
+ vabits_actual
+ vchan_dma_desc_free_list
+ vchan_find_desc
+ vchan_init
+ vchan_tx_desc_free
+ vchan_tx_submit
+ vfree
+ video_devdata
+ video_device_release_empty
+ video_ioctl2
+ __video_register_device
+ video_unregister_device
+ vmalloc
+ vmalloc_nr_pages
+ vmalloc_to_page
+ vmalloc_to_pfn
+ vmap
+ vmf_insert_pfn
+ vm_insert_page
+ vm_iomap_memory
+ vm_map_pages
+ vm_node_stat
+ vm_zone_stat
+ vscnprintf
+ vsnprintf
+ vunmap
+ vzalloc
+ wait_for_completion
+ wait_for_completion_interruptible
+ wait_for_completion_interruptible_timeout
+ wait_for_completion_killable
+ wait_for_completion_timeout
+ __wake_up
+ wake_up_if_idle
+ wake_up_process
+ wakeup_source_add
+ wakeup_source_register
+ wakeup_source_remove
+ wakeup_source_unregister
+ __warn_printk
+ ww_mutex_lock
+ ww_mutex_unlock
+ __xa_alloc
+ xa_destroy
+ xa_erase
+ xa_find
+ xa_find_after
+ xa_load
+ xa_store
+ xhci_alloc_command
+ xhci_alloc_erst
+ xhci_free_command
+ xhci_get_endpoint_index
+ xhci_queue_stop_endpoint
+ xhci_ring_alloc
+ xhci_ring_cmd_db
+ xhci_ring_free
+ xhci_trb_virt_to_dma
+ zone_watermark_ok_safe
diff --git a/android/abi_gki_aarch64_xiaomi b/android/abi_gki_aarch64_xiaomi
new file mode 100644
index 0000000..b6b8934
--- /dev/null
+++ b/android/abi_gki_aarch64_xiaomi
@@ -0,0 +1,196 @@
+[abi_symbol_list]
+# commonly used symbols
+
+# required by touch module
+ proc_mkdir_data
+ proc_create_seq_private
+
+# required by aw8697-haptic.ko
+ devm_gpio_free
+ i2c_smbus_read_byte_data
+ i2c_smbus_write_byte_data
+
+#required by memory module
+ blk_execute_rq
+ blk_rq_map_kern
+ scsi_device_lookup
+ scsi_host_lookup
+ scsi_host_put
+ ufshcd_read_desc_param
+ utf16s_to_utf8s
+ async_schedule_node
+ blk_ksm_register
+ blk_ksm_reprogram_all_keys
+ blk_mq_alloc_tag_set
+ blk_mq_init_queue
+ blk_mq_tagset_busy_iter
+ bsg_job_done
+ bsg_remove_queue
+ bsg_setup_queue
+ dev_pm_opp_remove
+ scsi_add_host_with_dma
+ scsi_block_requests
+ scsi_dma_unmap
+ scsi_is_host_device
+ scsi_remove_host
+ scsi_report_bus_reset
+ scsi_scan_host
+ scsi_unblock_requests
+ scsi_change_queue_depth
+ scsi_print_command
+ scsi_dma_map
+ scsi_host_alloc
+ scsi_normalize_sense
+ sg_copy_from_buffer
+ sg_copy_to_buffer
+ ufshcd_alloc_host
+ ufshcd_config_pwr_mode
+ ufshcd_dealloc_host
+ ufshcd_hba_enable
+ ufshcd_make_hba_operational
+ ufshcd_map_desc_id_to_length
+ ufshcd_query_attr_retry
+ ufshcd_query_flag_retry
+ ufshcd_update_evt_hist
+ wait_for_completion_io_timeout
+ __scsi_add_device
+ __scsi_execute
+ blk_mq_free_tag_set
+ blk_queue_update_dma_alignment
+ blk_queue_update_dma_pad
+ blk_ksm_get_slot_idx
+ mempool_resize
+ mempool_alloc_pages
+ mempool_free_pages
+
+#required by cs35l41 module
+ regmap_raw_write_async
+ snd_soc_bytes_tlv_callback
+ regmap_async_complete
+ snd_compr_stop_error
+ snd_soc_component_disable_pin
+ snd_soc_component_force_enable_pin
+ snd_pcm_format_physical_width
+ snd_pcm_hw_constraint_list
+ regmap_multi_reg_write_bypassed
+ snd_ctl_boolean_mono_info
+ snd_soc_put_volsw_range
+ snd_soc_get_volsw_range
+ snd_soc_info_volsw_range
+ regmap_raw_write
+ regcache_drop_region
+ regmap_raw_read
+ regmap_multi_reg_write
+ regulator_bulk_enable
+
+#required by mtd module
+ __blk_mq_end_request
+ balance_dirty_pages_ratelimited
+ bdi_alloc
+ bdi_put
+ bdi_register
+ blk_mq_freeze_queue
+ blk_mq_init_sq_queue
+ blk_mq_quiesce_queue
+ blk_mq_start_request
+ blk_mq_unfreeze_queue
+ blk_mq_unquiesce_queue
+ blk_queue_write_cache
+ blk_update_request
+ blkdev_get_by_dev
+ blkdev_get_by_path
+ blkdev_put
+ deactivate_locked_super
+ fixed_size_llseek
+ generic_shutdown_super
+ kmsg_dump_get_buffer
+ kmsg_dump_register
+ kmsg_dump_rewind
+ kmsg_dump_unregister
+ ktime_get_coarse_real_ts64
+ lockref_get
+ logfc
+ lookup_bdev
+ name_to_dev_t
+ nvmem_register
+ nvmem_unregister
+ proc_create_single_data
+ read_cache_page
+ rq_flush_dcache_pages
+ set_disk_ro
+ set_page_dirty
+ sget_fc
+ simple_strtoul
+ sync_blockdev
+ wait_for_device_probe
+
+#required by millet.ko
+ freezer_cgrp_subsys
+ __traceiter_android_vh_do_send_sig_info
+ __traceiter_android_vh_binder_preset
+ __traceiter_android_vh_binder_wait_for_work
+ __traceiter_android_vh_binder_trans
+ __traceiter_android_vh_binder_reply
+ __traceiter_android_vh_binder_alloc_new_buf_locked
+ __tracepoint_android_vh_do_send_sig_info
+ __tracepoint_android_vh_binder_preset
+ __tracepoint_android_vh_binder_wait_for_work
+ __tracepoint_android_vh_binder_trans
+ __tracepoint_android_vh_binder_reply
+ __tracepoint_android_vh_binder_alloc_new_buf_locked
+
+#required by mi_sched.ko
+ __traceiter_android_vh_free_task
+ __tracepoint_android_vh_free_task
+ jiffies_64
+ free_uid
+ find_user
+
+#required by migt.ko
+ __traceiter_android_rvh_after_enqueue_task
+ __traceiter_android_rvh_after_dequeue_task
+ __traceiter_android_vh_map_util_freq
+ __tracepoint_android_rvh_after_enqueue_task
+ __tracepoint_android_rvh_after_dequeue_task
+ __tracepoint_android_vh_map_util_freq
+
+#required by turbo.ko
+ __traceiter_android_rvh_set_cpus_allowed_comm
+ __traceiter_android_vh_sched_setaffinity_early
+ __traceiter_android_rvh_cpuset_fork
+ __tracepoint_android_rvh_set_cpus_allowed_comm
+ __tracepoint_android_vh_sched_setaffinity_early
+ __tracepoint_android_rvh_cpuset_fork
+ cpuset_cpus_allowed
+
+#required by fas.ko
+ __traceiter_android_rvh_check_preempt_tick
+ __traceiter_android_rvh_dequeue_entity
+ __traceiter_android_rvh_enqueue_entity
+ __tracepoint_android_rvh_check_preempt_tick
+ __tracepoint_android_rvh_dequeue_entity
+ __tracepoint_android_rvh_enqueue_entity
+
+#required by pm8941-pwrkey.ko module
+ console_printk
+
+#required by binderinfo.ko module
+ __traceiter_android_vh_binder_transaction_init
+ __traceiter_android_vh_binder_print_transaction_info
+ __tracepoint_android_vh_binder_transaction_init
+ __tracepoint_android_vh_binder_print_transaction_info
+
+#required by reclaim module
+ __traceiter_android_vh_tune_scan_type
+ __tracepoint_android_vh_tune_scan_type
+ __traceiter_android_vh_tune_swappiness
+ __tracepoint_android_vh_tune_swappiness
+
+#required by msm_drm.ko module
+ drm_get_connector_type_name
+
+#required by mi_gamekey.ko module
+ gpio_request_array
+
+#extend_reclaim.ko
+ try_to_free_mem_cgroup_pages
diff --git a/android/gki_aarch64_fips140_modules b/android/gki_aarch64_fips140_modules
new file mode 100644
index 0000000..01d4fcc
--- /dev/null
+++ b/android/gki_aarch64_fips140_modules
@@ -0,0 +1 @@
+crypto/fips140.ko
diff --git a/android/gki_aarch64_modules b/android/gki_aarch64_modules
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/android/gki_aarch64_modules
diff --git a/arch/Kconfig b/arch/Kconfig
index 632d60e..c3a40c5 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -614,6 +614,119 @@
reading and writing arbitrary memory may be able to locate them
and hijack control flow by modifying the stacks.
+config LTO
+ bool
+ help
+ Selected if the kernel will be built using the compiler's LTO feature.
+
+config LTO_CLANG
+ bool
+ select LTO
+ help
+ Selected if the kernel will be built using Clang's LTO feature.
+
+config ARCH_SUPPORTS_LTO_CLANG
+ bool
+ help
+ An architecture should select this option if it supports:
+ - compiling with Clang,
+ - compiling inline assembly with Clang's integrated assembler,
+ - and linking with LLD.
+
+config ARCH_SUPPORTS_LTO_CLANG_THIN
+ bool
+ help
+ An architecture should select this option if it can support Clang's
+ ThinLTO mode.
+
+config HAS_LTO_CLANG
+ def_bool y
+ # Clang >= 11: https://github.com/ClangBuiltLinux/linux/issues/510
+ depends on CC_IS_CLANG && CLANG_VERSION >= 110000 && LD_IS_LLD
+ depends on $(success,test $(LLVM) -eq 1)
+ depends on $(success,test $(LLVM_IAS) -eq 1)
+ depends on $(success,$(NM) --help | head -n 1 | grep -qi llvm)
+ depends on $(success,$(AR) --help | head -n 1 | grep -qi llvm)
+ depends on ARCH_SUPPORTS_LTO_CLANG
+ depends on !FTRACE_MCOUNT_USE_RECORDMCOUNT
+ depends on !KASAN || KASAN_HW_TAGS
+ depends on !GCOV_KERNEL
+ help
+ The compiler and Kconfig options support building with Clang's
+ LTO.
+
+choice
+ prompt "Link Time Optimization (LTO)"
+ default LTO_NONE
+ help
+ This option enables Link Time Optimization (LTO), which allows the
+ compiler to optimize binaries globally.
+
+ If unsure, select LTO_NONE. Note that LTO is very resource-intensive
+ so it's disabled by default.
+
+config LTO_NONE
+ bool "None"
+ help
+ Build the kernel normally, without Link Time Optimization (LTO).
+
+config LTO_CLANG_FULL
+ bool "Clang Full LTO (EXPERIMENTAL)"
+ depends on HAS_LTO_CLANG
+ depends on !COMPILE_TEST
+ select LTO_CLANG
+ help
+ This option enables Clang's full Link Time Optimization (LTO), which
+ allows the compiler to optimize the kernel globally. If you enable
+ this option, the compiler generates LLVM bitcode instead of ELF
+ object files, and the actual compilation from bitcode happens at
+ the LTO link step, which may take several minutes depending on the
+ kernel configuration. More information can be found from LLVM's
+ documentation:
+
+ https://llvm.org/docs/LinkTimeOptimization.html
+
+ During link time, this option can use a large amount of RAM, and
+ may take much longer than the ThinLTO option.
+
+config LTO_CLANG_THIN
+ bool "Clang ThinLTO (EXPERIMENTAL)"
+ depends on HAS_LTO_CLANG && ARCH_SUPPORTS_LTO_CLANG_THIN
+ select LTO_CLANG
+ help
+ This option enables Clang's ThinLTO, which allows for parallel
+ optimization and faster incremental compiles compared to the
+ CONFIG_LTO_CLANG_FULL option. More information can be found
+ from Clang's documentation:
+
+ https://clang.llvm.org/docs/ThinLTO.html
+
+ If unsure, say Y.
+endchoice
+
+config CFI_CLANG
+ bool "Use Clang's Control Flow Integrity (CFI)"
+ depends on LTO_CLANG && KALLSYMS
+ help
+ This option enables Clang's Control Flow Integrity (CFI), which adds
+ runtime checking for indirect function calls.
+
+config CFI_CLANG_SHADOW
+ bool "Use CFI shadow to speed up cross-module checks"
+ default y
+ depends on CFI_CLANG && MODULES
+ help
+ If you select this option, the kernel builds a fast look-up table of
+ CFI check functions in loaded modules to reduce overhead.
+
+config CFI_PERMISSIVE
+ bool "Use CFI in permissive mode"
+ depends on CFI_CLANG
+ help
+ When selected, Control Flow Integrity (CFI) violations result in a
+ warning instead of a kernel panic. This option is useful for finding
+ CFI violations during development.
+
config HAVE_ARCH_WITHIN_STACK_FRAMES
bool
help
@@ -664,6 +777,13 @@
Archs need to ensure they use a high enough resolution clock to
support irq time accounting and then call enable_sched_clock_irqtime().
+config HAVE_MOVE_PUD
+ bool
+ help
+ Architectures that select this are able to move page tables at the
+ PUD level. If there are only 3 page table levels, the move effectively
+ happens at the PGD level.
+
config HAVE_MOVE_PMD
bool
help
@@ -930,16 +1050,16 @@
default y
bool "Use a virtually-mapped stack"
depends on HAVE_ARCH_VMAP_STACK
- depends on !KASAN || KASAN_VMALLOC
+ depends on !KASAN || KASAN_HW_TAGS || KASAN_VMALLOC
help
Enable this if you want the use virtually-mapped kernel stacks
with guard pages. This causes kernel stack overflows to be
caught immediately rather than causing difficult-to-diagnose
corruption.
- To use this with KASAN, the architecture must support backing
- virtual mappings with real shadow memory, and KASAN_VMALLOC must
- be enabled.
+ To use this with software KASAN modes, the architecture must support
+ backing virtual mappings with real shadow memory, and KASAN_VMALLOC
+ must be enabled.
config ARCH_OPTIONAL_KERNEL_RWX
def_bool n
diff --git a/arch/alpha/include/asm/page.h b/arch/alpha/include/asm/page.h
index e241bd8..fe80d19 100644
--- a/arch/alpha/include/asm/page.h
+++ b/arch/alpha/include/asm/page.h
@@ -17,9 +17,9 @@
extern void clear_page(void *page);
#define clear_user_page(page, vaddr, pg) clear_page(page)
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
- alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vmaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vmaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
extern void copy_page(void * _to, void * _from);
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
diff --git a/arch/alpha/include/uapi/asm/signal.h b/arch/alpha/include/uapi/asm/signal.h
index 74c750b..a69dd8d 100644
--- a/arch/alpha/include/uapi/asm/signal.h
+++ b/arch/alpha/include/uapi/asm/signal.h
@@ -60,20 +60,6 @@ typedef unsigned long sigset_t;
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-
#define SA_ONSTACK 0x00000001
#define SA_RESTART 0x00000002
#define SA_NOCLDSTOP 0x00000004
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a0eac00..31a9758 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -51,6 +51,7 @@
select GENERIC_ATOMIC64 if CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
select GENERIC_IRQ_IPI if SMP
+ select ARCH_WANTS_IRQ_RAW if GENERIC_IRQ_IPI
select GENERIC_CPU_AUTOPROBE
select GENERIC_EARLY_IOREMAP
select GENERIC_IDLE_POLL_SETUP
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 247ce90..df7e4f8 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -165,6 +165,13 @@
orr \res, \res, \tmp1, lsl #24
.endm
+ .macro be32tocpu, val, tmp
+#ifndef __ARMEB__
+ /* convert to little endian */
+ rev_l \val, \tmp
+#endif
+ .endm
+
.section ".start", "ax"
/*
* sort out different calling conventions
@@ -345,13 +352,7 @@
/* Get the initial DTB size */
ldr r5, [r6, #4]
-#ifndef __ARMEB__
- /* convert to little endian */
- eor r1, r5, r5, ror #16
- bic r1, r1, #0x00ff0000
- mov r5, r5, ror #8
- eor r5, r5, r1, lsr #8
-#endif
+ be32tocpu r5, r1
dbgadtb r6, r5
/* 50% DTB growth should be good enough */
add r5, r5, r5, lsr #1
@@ -403,13 +404,7 @@
/* Get the current DTB size */
ldr r5, [r6, #4]
-#ifndef __ARMEB__
- /* convert r5 (dtb size) to little endian */
- eor r1, r5, r5, ror #16
- bic r1, r1, #0x00ff0000
- mov r5, r5, ror #8
- eor r5, r5, r1, lsr #8
-#endif
+ be32tocpu r5, r1
/* preserve 64-bit alignment */
add r5, r5, #7
diff --git a/arch/arm/crypto/Kconfig b/arch/arm/crypto/Kconfig
index c9bf2df..2b57579 100644
--- a/arch/arm/crypto/Kconfig
+++ b/arch/arm/crypto/Kconfig
@@ -62,6 +62,25 @@
SHA-512 secure hash standard (DFIPS 180-2) implemented
using optimized ARM assembler and NEON, when available.
+config CRYPTO_BLAKE2S_ARM
+ tristate "BLAKE2s digest algorithm (ARM)"
+ select CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+ help
+ BLAKE2s digest algorithm optimized with ARM scalar instructions. This
+ is faster than the generic implementations of BLAKE2s and BLAKE2b, but
+ slower than the NEON implementation of BLAKE2b. (There is no NEON
+ implementation of BLAKE2s, since NEON doesn't really help with it.)
+
+config CRYPTO_BLAKE2B_NEON
+ tristate "BLAKE2b digest algorithm (ARM NEON)"
+ depends on KERNEL_MODE_NEON
+ select CRYPTO_BLAKE2B
+ help
+ BLAKE2b digest algorithm optimized with ARM NEON instructions.
+ On ARM processors that have NEON support but not the ARMv8
+ Crypto Extensions, typically this BLAKE2b implementation is
+ much faster than SHA-2 and slightly faster than SHA-1.
+
config CRYPTO_AES_ARM
tristate "Scalar AES cipher for ARM"
select CRYPTO_ALGAPI
diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
index b745c17..8f26c45 100644
--- a/arch/arm/crypto/Makefile
+++ b/arch/arm/crypto/Makefile
@@ -9,6 +9,8 @@
obj-$(CONFIG_CRYPTO_SHA1_ARM_NEON) += sha1-arm-neon.o
obj-$(CONFIG_CRYPTO_SHA256_ARM) += sha256-arm.o
obj-$(CONFIG_CRYPTO_SHA512_ARM) += sha512-arm.o
+obj-$(CONFIG_CRYPTO_BLAKE2S_ARM) += blake2s-arm.o
+obj-$(CONFIG_CRYPTO_BLAKE2B_NEON) += blake2b-neon.o
obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o
obj-$(CONFIG_CRYPTO_POLY1305_ARM) += poly1305-arm.o
obj-$(CONFIG_CRYPTO_NHPOLY1305_NEON) += nhpoly1305-neon.o
@@ -29,6 +31,8 @@
sha256-arm-y := sha256-core.o sha256_glue.o $(sha256-arm-neon-y)
sha512-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha512-neon-glue.o
sha512-arm-y := sha512-core.o sha512-glue.o $(sha512-arm-neon-y)
+blake2s-arm-y := blake2s-core.o blake2s-glue.o
+blake2b-neon-y := blake2b-neon-core.o blake2b-neon-glue.o
sha1-arm-ce-y := sha1-ce-core.o sha1-ce-glue.o
sha2-arm-ce-y := sha2-ce-core.o sha2-ce-glue.o
aes-arm-ce-y := aes-ce-core.o aes-ce-glue.o
diff --git a/arch/arm/crypto/aes-neonbs-glue.c b/arch/arm/crypto/aes-neonbs-glue.c
index f70af1d..5c6cd3c 100644
--- a/arch/arm/crypto/aes-neonbs-glue.c
+++ b/arch/arm/crypto/aes-neonbs-glue.c
@@ -9,6 +9,7 @@
#include <asm/simd.h>
#include <crypto/aes.h>
#include <crypto/ctr.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/simd.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
@@ -23,6 +24,8 @@ MODULE_ALIAS_CRYPTO("cbc(aes)-all");
MODULE_ALIAS_CRYPTO("ctr(aes)");
MODULE_ALIAS_CRYPTO("xts(aes)");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
+
asmlinkage void aesbs_convert_key(u8 out[], u32 const rk[], int rounds);
asmlinkage void aesbs_ecb_encrypt(u8 out[], u8 const in[], u8 const rk[],
diff --git a/arch/arm/crypto/blake2b-neon-core.S b/arch/arm/crypto/blake2b-neon-core.S
new file mode 100644
index 0000000..0406a18
--- /dev/null
+++ b/arch/arm/crypto/blake2b-neon-core.S
@@ -0,0 +1,347 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * BLAKE2b digest algorithm, NEON accelerated
+ *
+ * Copyright 2020 Google LLC
+ *
+ * Author: Eric Biggers <ebiggers@google.com>
+ */
+
+#include <linux/linkage.h>
+
+ .text
+ .fpu neon
+
+ // The arguments to blake2b_compress_neon()
+ STATE .req r0
+ BLOCK .req r1
+ NBLOCKS .req r2
+ INC .req r3
+
+ // Pointers to the rotation tables
+ ROR24_TABLE .req r4
+ ROR16_TABLE .req r5
+
+ // The original stack pointer
+ ORIG_SP .req r6
+
+ // NEON registers which contain the message words of the current block.
+ // M_0-M_3 are occasionally used for other purposes too.
+ M_0 .req d16
+ M_1 .req d17
+ M_2 .req d18
+ M_3 .req d19
+ M_4 .req d20
+ M_5 .req d21
+ M_6 .req d22
+ M_7 .req d23
+ M_8 .req d24
+ M_9 .req d25
+ M_10 .req d26
+ M_11 .req d27
+ M_12 .req d28
+ M_13 .req d29
+ M_14 .req d30
+ M_15 .req d31
+
+ .align 4
+ // Tables for computing ror64(x, 24) and ror64(x, 16) using the vtbl.8
+ // instruction. This is the most efficient way to implement these
+ // rotation amounts with NEON. (On Cortex-A53 it's the same speed as
+ // vshr.u64 + vsli.u64, while on Cortex-A7 it's faster.)
+.Lror24_table:
+ .byte 3, 4, 5, 6, 7, 0, 1, 2
+.Lror16_table:
+ .byte 2, 3, 4, 5, 6, 7, 0, 1
+ // The BLAKE2b initialization vector
+.Lblake2b_IV:
+ .quad 0x6a09e667f3bcc908, 0xbb67ae8584caa73b
+ .quad 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1
+ .quad 0x510e527fade682d1, 0x9b05688c2b3e6c1f
+ .quad 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179
+
+// Execute one round of BLAKE2b by updating the state matrix v[0..15] in the
+// NEON registers q0-q7. The message block is in q8..q15 (M_0-M_15). The stack
+// pointer points to a 32-byte aligned buffer containing a copy of q8 and q9
+// (M_0-M_3), so that they can be reloaded if they are used as temporary
+// registers. The macro arguments s0-s15 give the order in which the message
+// words are used in this round. 'final' is 1 if this is the final round.
+.macro _blake2b_round s0, s1, s2, s3, s4, s5, s6, s7, \
+ s8, s9, s10, s11, s12, s13, s14, s15, final=0
+
+ // Mix the columns:
+ // (v[0], v[4], v[8], v[12]), (v[1], v[5], v[9], v[13]),
+ // (v[2], v[6], v[10], v[14]), and (v[3], v[7], v[11], v[15]).
+
+ // a += b + m[blake2b_sigma[r][2*i + 0]];
+ vadd.u64 q0, q0, q2
+ vadd.u64 q1, q1, q3
+ vadd.u64 d0, d0, M_\s0
+ vadd.u64 d1, d1, M_\s2
+ vadd.u64 d2, d2, M_\s4
+ vadd.u64 d3, d3, M_\s6
+
+ // d = ror64(d ^ a, 32);
+ veor q6, q6, q0
+ veor q7, q7, q1
+ vrev64.32 q6, q6
+ vrev64.32 q7, q7
+
+ // c += d;
+ vadd.u64 q4, q4, q6
+ vadd.u64 q5, q5, q7
+
+ // b = ror64(b ^ c, 24);
+ vld1.8 {M_0}, [ROR24_TABLE, :64]
+ veor q2, q2, q4
+ veor q3, q3, q5
+ vtbl.8 d4, {d4}, M_0
+ vtbl.8 d5, {d5}, M_0
+ vtbl.8 d6, {d6}, M_0
+ vtbl.8 d7, {d7}, M_0
+
+ // a += b + m[blake2b_sigma[r][2*i + 1]];
+ //
+ // M_0 got clobbered above, so we have to reload it if any of the four
+ // message words this step needs happens to be M_0. Otherwise we don't
+ // need to reload it here, as it will just get clobbered again below.
+.if \s1 == 0 || \s3 == 0 || \s5 == 0 || \s7 == 0
+ vld1.8 {M_0}, [sp, :64]
+.endif
+ vadd.u64 q0, q0, q2
+ vadd.u64 q1, q1, q3
+ vadd.u64 d0, d0, M_\s1
+ vadd.u64 d1, d1, M_\s3
+ vadd.u64 d2, d2, M_\s5
+ vadd.u64 d3, d3, M_\s7
+
+ // d = ror64(d ^ a, 16);
+ vld1.8 {M_0}, [ROR16_TABLE, :64]
+ veor q6, q6, q0
+ veor q7, q7, q1
+ vtbl.8 d12, {d12}, M_0
+ vtbl.8 d13, {d13}, M_0
+ vtbl.8 d14, {d14}, M_0
+ vtbl.8 d15, {d15}, M_0
+
+ // c += d;
+ vadd.u64 q4, q4, q6
+ vadd.u64 q5, q5, q7
+
+ // b = ror64(b ^ c, 63);
+ //
+ // This rotation amount isn't a multiple of 8, so it has to be
+ // implemented using a pair of shifts, which requires temporary
+ // registers. Use q8-q9 (M_0-M_3) for this, and reload them afterwards.
+ veor q8, q2, q4
+ veor q9, q3, q5
+ vshr.u64 q2, q8, #63
+ vshr.u64 q3, q9, #63
+ vsli.u64 q2, q8, #1
+ vsli.u64 q3, q9, #1
+ vld1.8 {q8-q9}, [sp, :256]
+
+ // Mix the diagonals:
+ // (v[0], v[5], v[10], v[15]), (v[1], v[6], v[11], v[12]),
+ // (v[2], v[7], v[8], v[13]), and (v[3], v[4], v[9], v[14]).
+ //
+ // There are two possible ways to do this: use 'vext' instructions to
+ // shift the rows of the matrix so that the diagonals become columns,
+ // and undo it afterwards; or just use 64-bit operations on 'd'
+ // registers instead of 128-bit operations on 'q' registers. We use the
+ // latter approach, as it performs much better on Cortex-A7.
+
+ // a += b + m[blake2b_sigma[r][2*i + 0]];
+ vadd.u64 d0, d0, d5
+ vadd.u64 d1, d1, d6
+ vadd.u64 d2, d2, d7
+ vadd.u64 d3, d3, d4
+ vadd.u64 d0, d0, M_\s8
+ vadd.u64 d1, d1, M_\s10
+ vadd.u64 d2, d2, M_\s12
+ vadd.u64 d3, d3, M_\s14
+
+ // d = ror64(d ^ a, 32);
+ veor d15, d15, d0
+ veor d12, d12, d1
+ veor d13, d13, d2
+ veor d14, d14, d3
+ vrev64.32 d15, d15
+ vrev64.32 d12, d12
+ vrev64.32 d13, d13
+ vrev64.32 d14, d14
+
+ // c += d;
+ vadd.u64 d10, d10, d15
+ vadd.u64 d11, d11, d12
+ vadd.u64 d8, d8, d13
+ vadd.u64 d9, d9, d14
+
+ // b = ror64(b ^ c, 24);
+ vld1.8 {M_0}, [ROR24_TABLE, :64]
+ veor d5, d5, d10
+ veor d6, d6, d11
+ veor d7, d7, d8
+ veor d4, d4, d9
+ vtbl.8 d5, {d5}, M_0
+ vtbl.8 d6, {d6}, M_0
+ vtbl.8 d7, {d7}, M_0
+ vtbl.8 d4, {d4}, M_0
+
+ // a += b + m[blake2b_sigma[r][2*i + 1]];
+.if \s9 == 0 || \s11 == 0 || \s13 == 0 || \s15 == 0
+ vld1.8 {M_0}, [sp, :64]
+.endif
+ vadd.u64 d0, d0, d5
+ vadd.u64 d1, d1, d6
+ vadd.u64 d2, d2, d7
+ vadd.u64 d3, d3, d4
+ vadd.u64 d0, d0, M_\s9
+ vadd.u64 d1, d1, M_\s11
+ vadd.u64 d2, d2, M_\s13
+ vadd.u64 d3, d3, M_\s15
+
+ // d = ror64(d ^ a, 16);
+ vld1.8 {M_0}, [ROR16_TABLE, :64]
+ veor d15, d15, d0
+ veor d12, d12, d1
+ veor d13, d13, d2
+ veor d14, d14, d3
+ vtbl.8 d12, {d12}, M_0
+ vtbl.8 d13, {d13}, M_0
+ vtbl.8 d14, {d14}, M_0
+ vtbl.8 d15, {d15}, M_0
+
+ // c += d;
+ vadd.u64 d10, d10, d15
+ vadd.u64 d11, d11, d12
+ vadd.u64 d8, d8, d13
+ vadd.u64 d9, d9, d14
+
+ // b = ror64(b ^ c, 63);
+ veor d16, d4, d9
+ veor d17, d5, d10
+ veor d18, d6, d11
+ veor d19, d7, d8
+ vshr.u64 q2, q8, #63
+ vshr.u64 q3, q9, #63
+ vsli.u64 q2, q8, #1
+ vsli.u64 q3, q9, #1
+ // Reloading q8-q9 can be skipped on the final round.
+.if ! \final
+ vld1.8 {q8-q9}, [sp, :256]
+.endif
+.endm
+
+//
+// void blake2b_compress_neon(struct blake2b_state *state,
+// const u8 *block, size_t nblocks, u32 inc);
+//
+// Only the first three fields of struct blake2b_state are used:
+// u64 h[8]; (inout)
+// u64 t[2]; (inout)
+// u64 f[2]; (in)
+//
+ .align 5
+ENTRY(blake2b_compress_neon)
+ push {r4-r10}
+
+ // Allocate a 32-byte stack buffer that is 32-byte aligned.
+ mov ORIG_SP, sp
+ sub ip, sp, #32
+ bic ip, ip, #31
+ mov sp, ip
+
+ adr ROR24_TABLE, .Lror24_table
+ adr ROR16_TABLE, .Lror16_table
+
+ mov ip, STATE
+ vld1.64 {q0-q1}, [ip]! // Load h[0..3]
+ vld1.64 {q2-q3}, [ip]! // Load h[4..7]
+.Lnext_block:
+ adr r10, .Lblake2b_IV
+ vld1.64 {q14-q15}, [ip] // Load t[0..1] and f[0..1]
+ vld1.64 {q4-q5}, [r10]! // Load IV[0..3]
+ vmov r7, r8, d28 // Copy t[0] to (r7, r8)
+ vld1.64 {q6-q7}, [r10] // Load IV[4..7]
+ adds r7, r7, INC // Increment counter
+ bcs .Lslow_inc_ctr
+ vmov.i32 d28[0], r7
+ vst1.64 {d28}, [ip] // Update t[0]
+.Linc_ctr_done:
+
+ // Load the next message block and finish initializing the state matrix
+ // 'v'. Fortunately, there are exactly enough NEON registers to fit the
+ // entire state matrix in q0-q7 and the entire message block in q8-15.
+ //
+ // However, _blake2b_round also needs some extra registers for rotates,
+ // so we have to spill some registers. It's better to spill the message
+ // registers than the state registers, as the message doesn't change.
+ // Therefore we store a copy of the first 32 bytes of the message block
+ // (q8-q9) in an aligned buffer on the stack so that they can be
+ // reloaded when needed. (We could just reload directly from the
+ // message buffer, but it's faster to use aligned loads.)
+ vld1.8 {q8-q9}, [BLOCK]!
+ veor q6, q6, q14 // v[12..13] = IV[4..5] ^ t[0..1]
+ vld1.8 {q10-q11}, [BLOCK]!
+ veor q7, q7, q15 // v[14..15] = IV[6..7] ^ f[0..1]
+ vld1.8 {q12-q13}, [BLOCK]!
+ vst1.8 {q8-q9}, [sp, :256]
+ mov ip, STATE
+ vld1.8 {q14-q15}, [BLOCK]!
+
+ // Execute the rounds. Each round is provided the order in which it
+ // needs to use the message words.
+ _blake2b_round 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+ _blake2b_round 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3
+ _blake2b_round 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4
+ _blake2b_round 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8
+ _blake2b_round 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13
+ _blake2b_round 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9
+ _blake2b_round 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11
+ _blake2b_round 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10
+ _blake2b_round 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5
+ _blake2b_round 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0
+ _blake2b_round 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+ _blake2b_round 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 \
+ final=1
+
+ // Fold the final state matrix into the hash chaining value:
+ //
+ // for (i = 0; i < 8; i++)
+ // h[i] ^= v[i] ^ v[i + 8];
+ //
+ vld1.64 {q8-q9}, [ip]! // Load old h[0..3]
+ veor q0, q0, q4 // v[0..1] ^= v[8..9]
+ veor q1, q1, q5 // v[2..3] ^= v[10..11]
+ vld1.64 {q10-q11}, [ip] // Load old h[4..7]
+ veor q2, q2, q6 // v[4..5] ^= v[12..13]
+ veor q3, q3, q7 // v[6..7] ^= v[14..15]
+ veor q0, q0, q8 // v[0..1] ^= h[0..1]
+ veor q1, q1, q9 // v[2..3] ^= h[2..3]
+ mov ip, STATE
+ subs NBLOCKS, NBLOCKS, #1 // nblocks--
+ vst1.64 {q0-q1}, [ip]! // Store new h[0..3]
+ veor q2, q2, q10 // v[4..5] ^= h[4..5]
+ veor q3, q3, q11 // v[6..7] ^= h[6..7]
+ vst1.64 {q2-q3}, [ip]! // Store new h[4..7]
+
+ // Advance to the next block, if there is one.
+ bne .Lnext_block // nblocks != 0?
+
+ mov sp, ORIG_SP
+ pop {r4-r10}
+ mov pc, lr
+
+.Lslow_inc_ctr:
+ // Handle the case where the counter overflowed its low 32 bits, by
+ // carrying the overflow bit into the full 128-bit counter.
+ vmov r9, r10, d29
+ adcs r8, r8, #0
+ adcs r9, r9, #0
+ adc r10, r10, #0
+ vmov d28, r7, r8
+ vmov d29, r9, r10
+ vst1.64 {q14}, [ip] // Update t[0] and t[1]
+ b .Linc_ctr_done
+ENDPROC(blake2b_compress_neon)
diff --git a/arch/arm/crypto/blake2b-neon-glue.c b/arch/arm/crypto/blake2b-neon-glue.c
new file mode 100644
index 0000000..4b59d02
--- /dev/null
+++ b/arch/arm/crypto/blake2b-neon-glue.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BLAKE2b digest algorithm, NEON accelerated
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <crypto/internal/blake2b.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
+
+#include <linux/module.h>
+#include <linux/sizes.h>
+
+#include <asm/neon.h>
+#include <asm/simd.h>
+
+asmlinkage void blake2b_compress_neon(struct blake2b_state *state,
+ const u8 *block, size_t nblocks, u32 inc);
+
+static void blake2b_compress_arch(struct blake2b_state *state,
+ const u8 *block, size_t nblocks, u32 inc)
+{
+ if (!crypto_simd_usable()) {
+ blake2b_compress_generic(state, block, nblocks, inc);
+ return;
+ }
+
+ do {
+ const size_t blocks = min_t(size_t, nblocks,
+ SZ_4K / BLAKE2B_BLOCK_SIZE);
+
+ kernel_neon_begin();
+ blake2b_compress_neon(state, block, blocks, inc);
+ kernel_neon_end();
+
+ nblocks -= blocks;
+ block += blocks * BLAKE2B_BLOCK_SIZE;
+ } while (nblocks);
+}
+
+static int crypto_blake2b_update_neon(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen)
+{
+ return crypto_blake2b_update(desc, in, inlen, blake2b_compress_arch);
+}
+
+static int crypto_blake2b_final_neon(struct shash_desc *desc, u8 *out)
+{
+ return crypto_blake2b_final(desc, out, blake2b_compress_arch);
+}
+
+#define BLAKE2B_ALG(name, driver_name, digest_size) \
+ { \
+ .base.cra_name = name, \
+ .base.cra_driver_name = driver_name, \
+ .base.cra_priority = 200, \
+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
+ .base.cra_blocksize = BLAKE2B_BLOCK_SIZE, \
+ .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), \
+ .base.cra_module = THIS_MODULE, \
+ .digestsize = digest_size, \
+ .setkey = crypto_blake2b_setkey, \
+ .init = crypto_blake2b_init, \
+ .update = crypto_blake2b_update_neon, \
+ .final = crypto_blake2b_final_neon, \
+ .descsize = sizeof(struct blake2b_state), \
+ }
+
+static struct shash_alg blake2b_neon_algs[] = {
+ BLAKE2B_ALG("blake2b-160", "blake2b-160-neon", BLAKE2B_160_HASH_SIZE),
+ BLAKE2B_ALG("blake2b-256", "blake2b-256-neon", BLAKE2B_256_HASH_SIZE),
+ BLAKE2B_ALG("blake2b-384", "blake2b-384-neon", BLAKE2B_384_HASH_SIZE),
+ BLAKE2B_ALG("blake2b-512", "blake2b-512-neon", BLAKE2B_512_HASH_SIZE),
+};
+
+static int __init blake2b_neon_mod_init(void)
+{
+ if (!(elf_hwcap & HWCAP_NEON))
+ return -ENODEV;
+
+ return crypto_register_shashes(blake2b_neon_algs,
+ ARRAY_SIZE(blake2b_neon_algs));
+}
+
+static void __exit blake2b_neon_mod_exit(void)
+{
+ crypto_unregister_shashes(blake2b_neon_algs,
+ ARRAY_SIZE(blake2b_neon_algs));
+}
+
+module_init(blake2b_neon_mod_init);
+module_exit(blake2b_neon_mod_exit);
+
+MODULE_DESCRIPTION("BLAKE2b digest algorithm, NEON accelerated");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_ALIAS_CRYPTO("blake2b-160");
+MODULE_ALIAS_CRYPTO("blake2b-160-neon");
+MODULE_ALIAS_CRYPTO("blake2b-256");
+MODULE_ALIAS_CRYPTO("blake2b-256-neon");
+MODULE_ALIAS_CRYPTO("blake2b-384");
+MODULE_ALIAS_CRYPTO("blake2b-384-neon");
+MODULE_ALIAS_CRYPTO("blake2b-512");
+MODULE_ALIAS_CRYPTO("blake2b-512-neon");
diff --git a/arch/arm/crypto/blake2s-core.S b/arch/arm/crypto/blake2s-core.S
new file mode 100644
index 0000000..8634575
--- /dev/null
+++ b/arch/arm/crypto/blake2s-core.S
@@ -0,0 +1,306 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * BLAKE2s digest algorithm, ARM scalar implementation
+ *
+ * Copyright 2020 Google LLC
+ *
+ * Author: Eric Biggers <ebiggers@google.com>
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+ // Registers used to hold message words temporarily. There aren't
+ // enough ARM registers to hold the whole message block, so we have to
+ // load the words on-demand.
+ M_0 .req r12
+ M_1 .req r14
+
+// The BLAKE2s initialization vector
+.Lblake2s_IV:
+ .word 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A
+ .word 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19
+
+.macro __ldrd a, b, src, offset
+#if __LINUX_ARM_ARCH__ >= 6
+ ldrd \a, \b, [\src, #\offset]
+#else
+ ldr \a, [\src, #\offset]
+ ldr \b, [\src, #\offset + 4]
+#endif
+.endm
+
+.macro __strd a, b, dst, offset
+#if __LINUX_ARM_ARCH__ >= 6
+ strd \a, \b, [\dst, #\offset]
+#else
+ str \a, [\dst, #\offset]
+ str \b, [\dst, #\offset + 4]
+#endif
+.endm
+
+.macro _le32_bswap a, tmp
+#ifdef __ARMEB__
+ rev_l \a, \tmp
+#endif
+.endm
+
+.macro _le32_bswap_8x a, b, c, d, e, f, g, h, tmp
+ _le32_bswap \a, \tmp
+ _le32_bswap \b, \tmp
+ _le32_bswap \c, \tmp
+ _le32_bswap \d, \tmp
+ _le32_bswap \e, \tmp
+ _le32_bswap \f, \tmp
+ _le32_bswap \g, \tmp
+ _le32_bswap \h, \tmp
+.endm
+
+// Execute a quarter-round of BLAKE2s by mixing two columns or two diagonals.
+// (a0, b0, c0, d0) and (a1, b1, c1, d1) give the registers containing the two
+// columns/diagonals. s0-s1 are the word offsets to the message words the first
+// column/diagonal needs, and likewise s2-s3 for the second column/diagonal.
+// M_0 and M_1 are free to use, and the message block can be found at sp + 32.
+//
+// Note that to save instructions, the rotations don't happen when the
+// pseudocode says they should, but rather they are delayed until the values are
+// used. See the comment above _blake2s_round().
+.macro _blake2s_quarterround a0, b0, c0, d0, a1, b1, c1, d1, s0, s1, s2, s3
+
+ ldr M_0, [sp, #32 + 4 * \s0]
+ ldr M_1, [sp, #32 + 4 * \s2]
+
+ // a += b + m[blake2s_sigma[r][2*i + 0]];
+ add \a0, \a0, \b0, ror #brot
+ add \a1, \a1, \b1, ror #brot
+ add \a0, \a0, M_0
+ add \a1, \a1, M_1
+
+ // d = ror32(d ^ a, 16);
+ eor \d0, \a0, \d0, ror #drot
+ eor \d1, \a1, \d1, ror #drot
+
+ // c += d;
+ add \c0, \c0, \d0, ror #16
+ add \c1, \c1, \d1, ror #16
+
+ // b = ror32(b ^ c, 12);
+ eor \b0, \c0, \b0, ror #brot
+ eor \b1, \c1, \b1, ror #brot
+
+ ldr M_0, [sp, #32 + 4 * \s1]
+ ldr M_1, [sp, #32 + 4 * \s3]
+
+ // a += b + m[blake2s_sigma[r][2*i + 1]];
+ add \a0, \a0, \b0, ror #12
+ add \a1, \a1, \b1, ror #12
+ add \a0, \a0, M_0
+ add \a1, \a1, M_1
+
+ // d = ror32(d ^ a, 8);
+ eor \d0, \a0, \d0, ror#16
+ eor \d1, \a1, \d1, ror#16
+
+ // c += d;
+ add \c0, \c0, \d0, ror#8
+ add \c1, \c1, \d1, ror#8
+
+ // b = ror32(b ^ c, 7);
+ eor \b0, \c0, \b0, ror#12
+ eor \b1, \c1, \b1, ror#12
+.endm
+
+// Execute one round of BLAKE2s by updating the state matrix v[0..15]. v[0..9]
+// are in r0..r9. The stack pointer points to 8 bytes of scratch space for
+// spilling v[8..9], then to v[9..15], then to the message block. r10-r12 and
+// r14 are free to use. The macro arguments s0-s15 give the order in which the
+// message words are used in this round.
+//
+// All rotates are performed using the implicit rotate operand accepted by the
+// 'add' and 'eor' instructions. This is faster than using explicit rotate
+// instructions. To make this work, we allow the values in the second and last
+// rows of the BLAKE2s state matrix (rows 'b' and 'd') to temporarily have the
+// wrong rotation amount. The rotation amount is then fixed up just in time
+// when the values are used. 'brot' is the number of bits the values in row 'b'
+// need to be rotated right to arrive at the correct values, and 'drot'
+// similarly for row 'd'. (brot, drot) start out as (0, 0) but we make it such
+// that they end up as (7, 8) after every round.
+.macro _blake2s_round s0, s1, s2, s3, s4, s5, s6, s7, \
+ s8, s9, s10, s11, s12, s13, s14, s15
+
+ // Mix first two columns:
+ // (v[0], v[4], v[8], v[12]) and (v[1], v[5], v[9], v[13]).
+ __ldrd r10, r11, sp, 16 // load v[12] and v[13]
+ _blake2s_quarterround r0, r4, r8, r10, r1, r5, r9, r11, \
+ \s0, \s1, \s2, \s3
+ __strd r8, r9, sp, 0
+ __strd r10, r11, sp, 16
+
+ // Mix second two columns:
+ // (v[2], v[6], v[10], v[14]) and (v[3], v[7], v[11], v[15]).
+ __ldrd r8, r9, sp, 8 // load v[10] and v[11]
+ __ldrd r10, r11, sp, 24 // load v[14] and v[15]
+ _blake2s_quarterround r2, r6, r8, r10, r3, r7, r9, r11, \
+ \s4, \s5, \s6, \s7
+ str r10, [sp, #24] // store v[14]
+ // v[10], v[11], and v[15] are used below, so no need to store them yet.
+
+ .set brot, 7
+ .set drot, 8
+
+ // Mix first two diagonals:
+ // (v[0], v[5], v[10], v[15]) and (v[1], v[6], v[11], v[12]).
+ ldr r10, [sp, #16] // load v[12]
+ _blake2s_quarterround r0, r5, r8, r11, r1, r6, r9, r10, \
+ \s8, \s9, \s10, \s11
+ __strd r8, r9, sp, 8
+ str r11, [sp, #28]
+ str r10, [sp, #16]
+
+ // Mix second two diagonals:
+ // (v[2], v[7], v[8], v[13]) and (v[3], v[4], v[9], v[14]).
+ __ldrd r8, r9, sp, 0 // load v[8] and v[9]
+ __ldrd r10, r11, sp, 20 // load v[13] and v[14]
+ _blake2s_quarterround r2, r7, r8, r10, r3, r4, r9, r11, \
+ \s12, \s13, \s14, \s15
+ __strd r10, r11, sp, 20
+.endm
+
+//
+// void blake2s_compress_arch(struct blake2s_state *state,
+// const u8 *block, size_t nblocks, u32 inc);
+//
+// Only the first three fields of struct blake2s_state are used:
+// u32 h[8]; (inout)
+// u32 t[2]; (inout)
+// u32 f[2]; (in)
+//
+ .align 5
+ENTRY(blake2s_compress_arch)
+ push {r0-r2,r4-r11,lr} // keep this an even number
+
+.Lnext_block:
+ // r0 is 'state'
+ // r1 is 'block'
+ // r3 is 'inc'
+
+ // Load and increment the counter t[0..1].
+ __ldrd r10, r11, r0, 32
+ adds r10, r10, r3
+ adc r11, r11, #0
+ __strd r10, r11, r0, 32
+
+ // _blake2s_round is very short on registers, so copy the message block
+ // to the stack to save a register during the rounds. This also has the
+ // advantage that misalignment only needs to be dealt with in one place.
+ sub sp, sp, #64
+ mov r12, sp
+ tst r1, #3
+ bne .Lcopy_block_misaligned
+ ldmia r1!, {r2-r9}
+ _le32_bswap_8x r2, r3, r4, r5, r6, r7, r8, r9, r14
+ stmia r12!, {r2-r9}
+ ldmia r1!, {r2-r9}
+ _le32_bswap_8x r2, r3, r4, r5, r6, r7, r8, r9, r14
+ stmia r12, {r2-r9}
+.Lcopy_block_done:
+ str r1, [sp, #68] // Update message pointer
+
+ // Calculate v[8..15]. Push v[9..15] onto the stack, and leave space
+ // for spilling v[8..9]. Leave v[8..9] in r8-r9.
+ mov r14, r0 // r14 = state
+ adr r12, .Lblake2s_IV
+ ldmia r12!, {r8-r9} // load IV[0..1]
+ __ldrd r0, r1, r14, 40 // load f[0..1]
+ ldm r12, {r2-r7} // load IV[3..7]
+ eor r4, r4, r10 // v[12] = IV[4] ^ t[0]
+ eor r5, r5, r11 // v[13] = IV[5] ^ t[1]
+ eor r6, r6, r0 // v[14] = IV[6] ^ f[0]
+ eor r7, r7, r1 // v[15] = IV[7] ^ f[1]
+ push {r2-r7} // push v[9..15]
+ sub sp, sp, #8 // leave space for v[8..9]
+
+ // Load h[0..7] == v[0..7].
+ ldm r14, {r0-r7}
+
+ // Execute the rounds. Each round is provided the order in which it
+ // needs to use the message words.
+ .set brot, 0
+ .set drot, 0
+ _blake2s_round 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+ _blake2s_round 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3
+ _blake2s_round 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4
+ _blake2s_round 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8
+ _blake2s_round 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13
+ _blake2s_round 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9
+ _blake2s_round 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11
+ _blake2s_round 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10
+ _blake2s_round 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5
+ _blake2s_round 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0
+
+ // Fold the final state matrix into the hash chaining value:
+ //
+ // for (i = 0; i < 8; i++)
+ // h[i] ^= v[i] ^ v[i + 8];
+ //
+ ldr r14, [sp, #96] // r14 = &h[0]
+ add sp, sp, #8 // v[8..9] are already loaded.
+ pop {r10-r11} // load v[10..11]
+ eor r0, r0, r8
+ eor r1, r1, r9
+ eor r2, r2, r10
+ eor r3, r3, r11
+ ldm r14, {r8-r11} // load h[0..3]
+ eor r0, r0, r8
+ eor r1, r1, r9
+ eor r2, r2, r10
+ eor r3, r3, r11
+ stmia r14!, {r0-r3} // store new h[0..3]
+ ldm r14, {r0-r3} // load old h[4..7]
+ pop {r8-r11} // load v[12..15]
+ eor r0, r0, r4, ror #brot
+ eor r1, r1, r5, ror #brot
+ eor r2, r2, r6, ror #brot
+ eor r3, r3, r7, ror #brot
+ eor r0, r0, r8, ror #drot
+ eor r1, r1, r9, ror #drot
+ eor r2, r2, r10, ror #drot
+ eor r3, r3, r11, ror #drot
+ add sp, sp, #64 // skip copy of message block
+ stm r14, {r0-r3} // store new h[4..7]
+
+ // Advance to the next block, if there is one. Note that if there are
+ // multiple blocks, then 'inc' (the counter increment amount) must be
+ // 64. So we can simply set it to 64 without re-loading it.
+ ldm sp, {r0, r1, r2} // load (state, block, nblocks)
+ mov r3, #64 // set 'inc'
+ subs r2, r2, #1 // nblocks--
+ str r2, [sp, #8]
+ bne .Lnext_block // nblocks != 0?
+
+ pop {r0-r2,r4-r11,pc}
+
+ // The next message block (pointed to by r1) isn't 4-byte aligned, so it
+ // can't be loaded using ldmia. Copy it to the stack buffer (pointed to
+ // by r12) using an alternative method. r2-r9 are free to use.
+.Lcopy_block_misaligned:
+ mov r2, #64
+1:
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+ ldr r3, [r1], #4
+ _le32_bswap r3, r4
+#else
+ ldrb r3, [r1, #0]
+ ldrb r4, [r1, #1]
+ ldrb r5, [r1, #2]
+ ldrb r6, [r1, #3]
+ add r1, r1, #4
+ orr r3, r3, r4, lsl #8
+ orr r3, r3, r5, lsl #16
+ orr r3, r3, r6, lsl #24
+#endif
+ subs r2, r2, #4
+ str r3, [r12], #4
+ bne 1b
+ b .Lcopy_block_done
+ENDPROC(blake2s_compress_arch)
diff --git a/arch/arm/crypto/blake2s-glue.c b/arch/arm/crypto/blake2s-glue.c
new file mode 100644
index 0000000..f2cc1e5
--- /dev/null
+++ b/arch/arm/crypto/blake2s-glue.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BLAKE2s digest algorithm, ARM scalar implementation
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <crypto/internal/hash.h>
+
+#include <linux/module.h>
+
+/* defined in blake2s-core.S */
+EXPORT_SYMBOL(blake2s_compress_arch);
+
+static int crypto_blake2s_update_arm(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen)
+{
+ return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch);
+}
+
+static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out)
+{
+ return crypto_blake2s_final(desc, out, blake2s_compress_arch);
+}
+
+#define BLAKE2S_ALG(name, driver_name, digest_size) \
+ { \
+ .base.cra_name = name, \
+ .base.cra_driver_name = driver_name, \
+ .base.cra_priority = 200, \
+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \
+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \
+ .base.cra_module = THIS_MODULE, \
+ .digestsize = digest_size, \
+ .setkey = crypto_blake2s_setkey, \
+ .init = crypto_blake2s_init, \
+ .update = crypto_blake2s_update_arm, \
+ .final = crypto_blake2s_final_arm, \
+ .descsize = sizeof(struct blake2s_state), \
+ }
+
+static struct shash_alg blake2s_arm_algs[] = {
+ BLAKE2S_ALG("blake2s-128", "blake2s-128-arm", BLAKE2S_128_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-160", "blake2s-160-arm", BLAKE2S_160_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-224", "blake2s-224-arm", BLAKE2S_224_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-256", "blake2s-256-arm", BLAKE2S_256_HASH_SIZE),
+};
+
+static int __init blake2s_arm_mod_init(void)
+{
+ return IS_REACHABLE(CONFIG_CRYPTO_HASH) ?
+ crypto_register_shashes(blake2s_arm_algs,
+ ARRAY_SIZE(blake2s_arm_algs)) : 0;
+}
+
+static void __exit blake2s_arm_mod_exit(void)
+{
+ if (IS_REACHABLE(CONFIG_CRYPTO_HASH))
+ crypto_unregister_shashes(blake2s_arm_algs,
+ ARRAY_SIZE(blake2s_arm_algs));
+}
+
+module_init(blake2s_arm_mod_init);
+module_exit(blake2s_arm_mod_exit);
+
+MODULE_DESCRIPTION("BLAKE2s digest algorithm, ARM scalar implementation");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_ALIAS_CRYPTO("blake2s-128");
+MODULE_ALIAS_CRYPTO("blake2s-128-arm");
+MODULE_ALIAS_CRYPTO("blake2s-160");
+MODULE_ALIAS_CRYPTO("blake2s-160-arm");
+MODULE_ALIAS_CRYPTO("blake2s-224");
+MODULE_ALIAS_CRYPTO("blake2s-224-arm");
+MODULE_ALIAS_CRYPTO("blake2s-256");
+MODULE_ALIAS_CRYPTO("blake2s-256-arm");
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index f1398b9..03657ff 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -3,7 +3,6 @@
generic-y += extable.h
generic-y += flat.h
generic-y += parport.h
-generic-y += seccomp.h
generated-y += mach-types.h
generated-y += unistd-nr.h
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 72627c5..761e88c 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -578,4 +578,21 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
__adldst_l str, \src, \sym, \tmp, \cond
.endm
+ /*
+ * rev_l - byte-swap a 32-bit value
+ *
+ * @val: source/destination register
+ * @tmp: scratch register
+ */
+ .macro rev_l, val:req, tmp:req
+ .if __LINUX_ARM_ARCH__ < 6
+ eor \tmp, \val, \val, ror #16
+ bic \tmp, \tmp, #0x00ff0000
+ mov \val, \val, ror #8
+ eor \val, \val, \tmp, lsr #8
+ .else
+ rev \val, \val
+ .endif
+ .endm
+
#endif /* __ASM_ASSEMBLER_H__ */
diff --git a/arch/arm/include/asm/seccomp.h b/arch/arm/include/asm/seccomp.h
new file mode 100644
index 0000000..e9ad0f3
--- /dev/null
+++ b/arch/arm/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE AUDIT_ARCH_ARM
+#define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME "arm"
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
index 65530a0..430be77 100644
--- a/arch/arm/include/asm/signal.h
+++ b/arch/arm/include/asm/signal.h
@@ -17,6 +17,8 @@ typedef struct {
unsigned long sig[_NSIG_WORDS];
} sigset_t;
+#define __ARCH_UAPI_SA_FLAGS (SA_THIRTYTWO | SA_RESTORER)
+
#define __ARCH_HAS_SA_RESTORER
#include <asm/sigcontext.h>
diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h
index 66f6a3a..98b3734 100644
--- a/arch/arm/include/asm/system_misc.h
+++ b/arch/arm/include/asm/system_misc.h
@@ -13,7 +13,6 @@
extern void cpu_init(void);
void soft_restart(unsigned long);
-extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
extern void (*arm_pm_idle)(void);
#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
diff --git a/arch/arm/include/uapi/asm/setup.h b/arch/arm/include/uapi/asm/setup.h
index 25ceda6..345bf0a 100644
--- a/arch/arm/include/uapi/asm/setup.h
+++ b/arch/arm/include/uapi/asm/setup.h
@@ -17,7 +17,7 @@
#include <linux/types.h>
-#define COMMAND_LINE_SIZE 1024
+#define COMMAND_LINE_SIZE 2048
/* The list ends with an ATAG_NONE node. */
#define ATAG_NONE 0x00000000
diff --git a/arch/arm/include/uapi/asm/signal.h b/arch/arm/include/uapi/asm/signal.h
index 9b4185b..c9a3ea1 100644
--- a/arch/arm/include/uapi/asm/signal.h
+++ b/arch/arm/include/uapi/asm/signal.h
@@ -60,33 +60,12 @@ typedef unsigned long sigset_t;
#define SIGSWI 32
/*
- * SA_FLAGS values:
- *
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_SIGINFO deliver the signal with SIGINFO structs
- * SA_THIRTYTWO delivers the signal in 32-bit mode, even if the task
- * is running in 26-bit.
- * SA_ONSTACK allows alternate signal stacks (see sigaltstack(2)).
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NODEFER prevents the current signal from being masked in the handler.
- * SA_RESETHAND clears the handler when the signal is delivered.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
+ * SA_THIRTYTWO historically meant deliver the signal in 32-bit mode, even if
+ * the task is running in 26-bit. But since the kernel no longer supports
+ * 26-bit mode, the flag has no effect.
*/
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002
-#define SA_SIGINFO 0x00000004
#define SA_THIRTYTWO 0x02000000
#define SA_RESTORER 0x04000000
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c
index 0ce388f..3044fcb 100644
--- a/arch/arm/kernel/reboot.c
+++ b/arch/arm/kernel/reboot.c
@@ -18,7 +18,6 @@ typedef void (*phys_reset_t)(unsigned long, bool);
/*
* Function pointers to optional machine specific functions
*/
-void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
@@ -138,10 +137,7 @@ void machine_restart(char *cmd)
local_irq_disable();
smp_send_stop();
- if (arm_pm_restart)
- arm_pm_restart(reboot_mode, cmd);
- else
- do_kernel_restart(cmd);
+ do_kernel_restart(cmd);
/* Give a grace period for failure to restart of 1s */
mdelay(1000);
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index b06602c..b0e2e31 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -1082,6 +1082,20 @@ void __init hyp_mode_check(void)
#endif
}
+static void (*__arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
+
+static int arm_restart(struct notifier_block *nb, unsigned long action,
+ void *data)
+{
+ __arm_pm_restart(action, data);
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block arm_restart_nb = {
+ .notifier_call = arm_restart,
+ .priority = 128,
+};
+
void __init setup_arch(char **cmdline_p)
{
const struct machine_desc *mdesc = NULL;
@@ -1149,8 +1163,10 @@ void __init setup_arch(char **cmdline_p)
paging_init(mdesc);
request_standard_resources(mdesc);
- if (mdesc->restart)
- arm_pm_restart = mdesc->restart;
+ if (mdesc->restart) {
+ __arm_pm_restart = mdesc->restart;
+ register_restart_handler(&arm_restart_nb);
+ }
unflatten_device_tree();
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 8aa7fa9..123432b 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -51,6 +51,10 @@
#define CREATE_TRACE_POINTS
#include <trace/events/ipi.h>
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_raise);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_exit);
+
/*
* as from 2.5, kernels no longer have an init_tasks structure
* so we need some other way of telling a new secondary core
@@ -737,6 +741,10 @@ void __init set_smp_ipi_range(int ipi_base, int n)
ipi_desc[i] = irq_to_desc(ipi_base + i);
irq_set_status_flags(ipi_base + i, IRQ_HIDDEN);
+
+ /* The recheduling IPI is special... */
+ if (i == IPI_RESCHEDULE)
+ __irq_modify_status(ipi_base + i, 0, IRQ_RAW, ~0);
}
ipi_irq_base = ipi_base;
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
index 9d56606..825dd5f 100644
--- a/arch/arm/mach-prima2/rstc.c
+++ b/arch/arm/mach-prima2/rstc.c
@@ -64,11 +64,18 @@ static struct reset_controller_dev sirfsoc_reset_controller = {
#define SIRFSOC_SYS_RST_BIT BIT(31)
-static void sirfsoc_restart(enum reboot_mode mode, const char *cmd)
+static int sirfsoc_restart(struct notifier_block *nb, unsigned long action,
+ void *data)
{
writel(SIRFSOC_SYS_RST_BIT, sirfsoc_rstc_base);
+ return NOTIFY_DONE;
}
+static struct notifier_block sirfsoc_restart_nb = {
+ .notifier_call = sirfsoc_restart,
+ .priority = 192,
+};
+
static int sirfsoc_rstc_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -79,7 +86,7 @@ static int sirfsoc_rstc_probe(struct platform_device *pdev)
}
sirfsoc_reset_controller.of_node = np;
- arm_pm_restart = sirfsoc_restart;
+ register_restart_handler(&sirfsoc_restart_nb);
if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
reset_controller_register(&sirfsoc_reset_controller);
diff --git a/arch/arm/probes/kprobes/test-arm.c b/arch/arm/probes/kprobes/test-arm.c
index 977369f..a0dae35 100644
--- a/arch/arm/probes/kprobes/test-arm.c
+++ b/arch/arm/probes/kprobes/test-arm.c
@@ -55,25 +55,25 @@ void kprobe_arm_test_cases(void)
TEST_GROUP("Data-processing (register), (register-shifted register), (immediate)")
#define _DATA_PROCESSING_DNM(op,s,val) \
- TEST_RR( op "eq" s " r0, r",1, VAL1,", r",2, val, "") \
- TEST_RR( op "ne" s " r1, r",1, VAL1,", r",2, val, ", lsl #3") \
- TEST_RR( op "cs" s " r2, r",3, VAL1,", r",2, val, ", lsr #4") \
- TEST_RR( op "cc" s " r3, r",3, VAL1,", r",2, val, ", asr #5") \
- TEST_RR( op "mi" s " r4, r",5, VAL1,", r",2, N(val),", asr #6") \
- TEST_RR( op "pl" s " r5, r",5, VAL1,", r",2, val, ", ror #7") \
- TEST_RR( op "vs" s " r6, r",7, VAL1,", r",2, val, ", rrx") \
- TEST_R( op "vc" s " r6, r",7, VAL1,", pc, lsl #3") \
- TEST_R( op "vc" s " r6, r",7, VAL1,", sp, lsr #4") \
- TEST_R( op "vc" s " r6, pc, r",7, VAL1,", asr #5") \
- TEST_R( op "vc" s " r6, sp, r",7, VAL1,", ror #6") \
- TEST_RRR( op "hi" s " r8, r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\
- TEST_RRR( op "ls" s " r9, r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\
- TEST_RRR( op "ge" s " r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\
- TEST_RRR( op "lt" s " r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\
- TEST_RR( op "gt" s " r12, r13" ", r",14,val, ", ror r",14,7,"")\
- TEST_RR( op "le" s " r14, r",0, val, ", r13" ", lsl r",14,8,"")\
- TEST_R( op "eq" s " r0, r",11,VAL1,", #0xf5") \
- TEST_R( op "ne" s " r11, r",0, VAL1,", #0xf5000000") \
+ TEST_RR( op s "eq r0, r",1, VAL1,", r",2, val, "") \
+ TEST_RR( op s "ne r1, r",1, VAL1,", r",2, val, ", lsl #3") \
+ TEST_RR( op s "cs r2, r",3, VAL1,", r",2, val, ", lsr #4") \
+ TEST_RR( op s "cc r3, r",3, VAL1,", r",2, val, ", asr #5") \
+ TEST_RR( op s "mi r4, r",5, VAL1,", r",2, N(val),", asr #6") \
+ TEST_RR( op s "pl r5, r",5, VAL1,", r",2, val, ", ror #7") \
+ TEST_RR( op s "vs r6, r",7, VAL1,", r",2, val, ", rrx") \
+ TEST_R( op s "vc r6, r",7, VAL1,", pc, lsl #3") \
+ TEST_R( op s "vc r6, r",7, VAL1,", sp, lsr #4") \
+ TEST_R( op s "vc r6, pc, r",7, VAL1,", asr #5") \
+ TEST_R( op s "vc r6, sp, r",7, VAL1,", ror #6") \
+ TEST_RRR( op s "hi r8, r",9, VAL1,", r",14,val, ", lsl r",0, 3,"")\
+ TEST_RRR( op s "ls r9, r",9, VAL1,", r",14,val, ", lsr r",7, 4,"")\
+ TEST_RRR( op s "ge r10, r",11,VAL1,", r",14,val, ", asr r",7, 5,"")\
+ TEST_RRR( op s "lt r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\
+ TEST_RR( op s "gt r12, r13" ", r",14,val, ", ror r",14,7,"")\
+ TEST_RR( op s "le r14, r",0, val, ", r13" ", lsl r",14,8,"")\
+ TEST_R( op s "eq r0, r",11,VAL1,", #0xf5") \
+ TEST_R( op s "ne r11, r",0, VAL1,", #0xf5000000") \
TEST_R( op s " r7, r",8, VAL2,", #0x000af000") \
TEST( op s " r4, pc" ", #0x00005a00")
@@ -104,23 +104,23 @@ void kprobe_arm_test_cases(void)
TEST_R( op " r",8, VAL2,", #0x000af000")
#define _DATA_PROCESSING_DM(op,s,val) \
- TEST_R( op "eq" s " r0, r",1, val, "") \
- TEST_R( op "ne" s " r1, r",1, val, ", lsl #3") \
- TEST_R( op "cs" s " r2, r",3, val, ", lsr #4") \
- TEST_R( op "cc" s " r3, r",3, val, ", asr #5") \
- TEST_R( op "mi" s " r4, r",5, N(val),", asr #6") \
- TEST_R( op "pl" s " r5, r",5, val, ", ror #7") \
- TEST_R( op "vs" s " r6, r",10,val, ", rrx") \
- TEST( op "vs" s " r7, pc, lsl #3") \
- TEST( op "vs" s " r7, sp, lsr #4") \
- TEST_RR( op "vc" s " r8, r",7, val, ", lsl r",0, 3,"") \
- TEST_RR( op "hi" s " r9, r",9, val, ", lsr r",7, 4,"") \
- TEST_RR( op "ls" s " r10, r",9, val, ", asr r",7, 5,"") \
- TEST_RR( op "ge" s " r11, r",11,N(val),", asr r",7, 6,"") \
- TEST_RR( op "lt" s " r12, r",11,val, ", ror r",14,7,"") \
- TEST_R( op "gt" s " r14, r13" ", lsl r",14,8,"") \
- TEST( op "eq" s " r0, #0xf5") \
- TEST( op "ne" s " r11, #0xf5000000") \
+ TEST_R( op s "eq r0, r",1, val, "") \
+ TEST_R( op s "ne r1, r",1, val, ", lsl #3") \
+ TEST_R( op s "cs r2, r",3, val, ", lsr #4") \
+ TEST_R( op s "cc r3, r",3, val, ", asr #5") \
+ TEST_R( op s "mi r4, r",5, N(val),", asr #6") \
+ TEST_R( op s "pl r5, r",5, val, ", ror #7") \
+ TEST_R( op s "vs r6, r",10,val, ", rrx") \
+ TEST( op s "vs r7, pc, lsl #3") \
+ TEST( op s "vs r7, sp, lsr #4") \
+ TEST_RR( op s "vc r8, r",7, val, ", lsl r",0, 3,"") \
+ TEST_RR( op s "hi r9, r",9, val, ", lsr r",7, 4,"") \
+ TEST_RR( op s "ls r10, r",9, val, ", asr r",7, 5,"") \
+ TEST_RR( op s "ge r11, r",11,N(val),", asr r",7, 6,"") \
+ TEST_RR( op s "lt r12, r",11,val, ", ror r",14,7,"") \
+ TEST_R( op s "gt r14, r13" ", lsl r",14,8,"") \
+ TEST( op s "eq r0, #0xf5") \
+ TEST( op s "ne r11, #0xf5000000") \
TEST( op s " r7, #0x000af000") \
TEST( op s " r4, #0x00005a00")
@@ -166,10 +166,10 @@ void kprobe_arm_test_cases(void)
/* Data-processing with PC as a target and status registers updated */
TEST_UNSUPPORTED("movs pc, r1")
- TEST_UNSUPPORTED("movs pc, r1, lsl r2")
+ TEST_UNSUPPORTED(__inst_arm(0xe1b0f211) " @movs pc, r1, lsl r2")
TEST_UNSUPPORTED("movs pc, #0x10000")
TEST_UNSUPPORTED("adds pc, lr, r1")
- TEST_UNSUPPORTED("adds pc, lr, r1, lsl r2")
+ TEST_UNSUPPORTED(__inst_arm(0xe09ef211) " @adds pc, lr, r1, lsl r2")
TEST_UNSUPPORTED("adds pc, lr, #4")
/* Data-processing with SP as target */
@@ -352,7 +352,7 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe000029f) " @ mul r0, pc, r2")
TEST_UNSUPPORTED(__inst_arm(0xe0000f91) " @ mul r0, r1, pc")
TEST_RR( "muls r0, r",1, VAL1,", r",2, VAL2,"")
- TEST_RR( "mullss r7, r",8, VAL2,", r",9, VAL2,"")
+ TEST_RR( "mulsls r7, r",8, VAL2,", r",9, VAL2,"")
TEST_R( "muls lr, r",4, VAL3,", r13")
TEST_UNSUPPORTED(__inst_arm(0xe01f0291) " @ muls pc, r1, r2")
@@ -361,7 +361,7 @@ void kprobe_arm_test_cases(void)
TEST_RR( "mla lr, r",1, VAL2,", r",2, VAL3,", r13")
TEST_UNSUPPORTED(__inst_arm(0xe02f3291) " @ mla pc, r1, r2, r3")
TEST_RRR( "mlas r0, r",1, VAL1,", r",2, VAL2,", r",3, VAL3,"")
- TEST_RRR( "mlahis r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
+ TEST_RRR( "mlashi r7, r",8, VAL3,", r",9, VAL1,", r",10, VAL2,"")
TEST_RR( "mlas lr, r",1, VAL2,", r",2, VAL3,", r13")
TEST_UNSUPPORTED(__inst_arm(0xe03f3291) " @ mlas pc, r1, r2, r3")
@@ -394,7 +394,7 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe081f392) " @ umull pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe08f1392) " @ umull r1, pc, r2, r3")
TEST_RR( "umulls r0, r1, r",2, VAL1,", r",3, VAL2,"")
- TEST_RR( "umulllss r7, r8, r",9, VAL2,", r",10, VAL1,"")
+ TEST_RR( "umullsls r7, r8, r",9, VAL2,", r",10, VAL1,"")
TEST_R( "umulls lr, r12, r",11,VAL3,", r13")
TEST_UNSUPPORTED(__inst_arm(0xe091f392) " @ umulls pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe09f1392) " @ umulls r1, pc, r2, r3")
@@ -405,7 +405,7 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe0af1392) " @ umlal pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe0a1f392) " @ umlal r1, pc, r2, r3")
TEST_RRRR( "umlals r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4)
- TEST_RRRR( "umlalles r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
+ TEST_RRRR( "umlalsle r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
TEST_RRR( "umlals r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13")
TEST_UNSUPPORTED(__inst_arm(0xe0bf1392) " @ umlals pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe0b1f392) " @ umlals r1, pc, r2, r3")
@@ -416,7 +416,7 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe0c1f392) " @ smull pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe0cf1392) " @ smull r1, pc, r2, r3")
TEST_RR( "smulls r0, r1, r",2, VAL1,", r",3, VAL2,"")
- TEST_RR( "smulllss r7, r8, r",9, VAL2,", r",10, VAL1,"")
+ TEST_RR( "smullsls r7, r8, r",9, VAL2,", r",10, VAL1,"")
TEST_R( "smulls lr, r12, r",11,VAL3,", r13")
TEST_UNSUPPORTED(__inst_arm(0xe0d1f392) " @ smulls pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe0df1392) " @ smulls r1, pc, r2, r3")
@@ -427,7 +427,7 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe0ef1392) " @ smlal pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe0e1f392) " @ smlal r1, pc, r2, r3")
TEST_RRRR( "smlals r",0, VAL1,", r",1, VAL2,", r",2, VAL3,", r",3, VAL4)
- TEST_RRRR( "smlalles r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
+ TEST_RRRR( "smlalsle r",8, VAL4,", r",9, VAL1,", r",10,VAL2,", r",11,VAL3)
TEST_RRR( "smlals r",14,VAL3,", r",7, VAL4,", r",5, VAL1,", r13")
TEST_UNSUPPORTED(__inst_arm(0xe0ff1392) " @ smlals pc, r1, r2, r3")
TEST_UNSUPPORTED(__inst_arm(0xe0f0f392) " @ smlals r0, pc, r2, r3")
@@ -450,7 +450,7 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe10f0091) " @ swp r0, r1, [pc]")
#if __LINUX_ARM_ARCH__ < 6
TEST_RP("swpb lr, r",7,VAL2,", [r",8,0,"]")
- TEST_R( "swpvsb r0, r",1,VAL1,", [sp]")
+ TEST_R( "swpbvs r0, r",1,VAL1,", [sp]")
#else
TEST_UNSUPPORTED(__inst_arm(0xe148e097) " @ swpb lr, r7, [r8]")
TEST_UNSUPPORTED(__inst_arm(0x614d0091) " @ swpvsb r0, r1, [sp]")
@@ -477,11 +477,11 @@ void kprobe_arm_test_cases(void)
TEST_GROUP("Extra load/store instructions")
TEST_RPR( "strh r",0, VAL1,", [r",1, 48,", -r",2, 24,"]")
- TEST_RPR( "streqh r",14,VAL2,", [r",11,0, ", r",12, 48,"]")
- TEST_UNSUPPORTED( "streqh r14, [r13, r12]")
- TEST_UNSUPPORTED( "streqh r14, [r12, r13]")
+ TEST_RPR( "strheq r",14,VAL2,", [r",11,0, ", r",12, 48,"]")
+ TEST_UNSUPPORTED( "strheq r14, [r13, r12]")
+ TEST_UNSUPPORTED( "strheq r14, [r12, r13]")
TEST_RPR( "strh r",1, VAL1,", [r",2, 24,", r",3, 48,"]!")
- TEST_RPR( "strneh r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
+ TEST_RPR( "strhne r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
TEST_RPR( "strh r",2, VAL1,", [r",3, 24,"], r",4, 48,"")
TEST_RPR( "strh r",10,VAL2,", [r",9, 48,"], -r",11,24,"")
TEST_UNSUPPORTED(__inst_arm(0xe1afc0ba) " @ strh r12, [pc, r10]!")
@@ -489,9 +489,9 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe089a0bf) " @ strh r10, [r9], pc")
TEST_PR( "ldrh r0, [r",0, 48,", -r",2, 24,"]")
- TEST_PR( "ldrcsh r14, [r",13,0, ", r",12, 48,"]")
+ TEST_PR( "ldrhcs r14, [r",13,0, ", r",12, 48,"]")
TEST_PR( "ldrh r1, [r",2, 24,", r",3, 48,"]!")
- TEST_PR( "ldrcch r12, [r",11,48,", -r",10,24,"]!")
+ TEST_PR( "ldrhcc r12, [r",11,48,", -r",10,24,"]!")
TEST_PR( "ldrh r2, [r",3, 24,"], r",4, 48,"")
TEST_PR( "ldrh r10, [r",9, 48,"], -r",11,24,"")
TEST_UNSUPPORTED(__inst_arm(0xe1bfc0ba) " @ ldrh r12, [pc, r10]!")
@@ -499,9 +499,9 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe099a0bf) " @ ldrh r10, [r9], pc")
TEST_RP( "strh r",0, VAL1,", [r",1, 24,", #-2]")
- TEST_RP( "strmih r",14,VAL2,", [r",13,0, ", #2]")
+ TEST_RP( "strhmi r",14,VAL2,", [r",13,0, ", #2]")
TEST_RP( "strh r",1, VAL1,", [r",2, 24,", #4]!")
- TEST_RP( "strplh r",12,VAL2,", [r",11,24,", #-4]!")
+ TEST_RP( "strhpl r",12,VAL2,", [r",11,24,", #-4]!")
TEST_RP( "strh r",2, VAL1,", [r",3, 24,"], #48")
TEST_RP( "strh r",10,VAL2,", [r",9, 64,"], #-48")
TEST_RP( "strh r",3, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!")
@@ -511,9 +511,9 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe0c9f3b0) " @ strh pc, [r9], #48")
TEST_P( "ldrh r0, [r",0, 24,", #-2]")
- TEST_P( "ldrvsh r14, [r",13,0, ", #2]")
+ TEST_P( "ldrhvs r14, [r",13,0, ", #2]")
TEST_P( "ldrh r1, [r",2, 24,", #4]!")
- TEST_P( "ldrvch r12, [r",11,24,", #-4]!")
+ TEST_P( "ldrhvc r12, [r",11,24,", #-4]!")
TEST_P( "ldrh r2, [r",3, 24,"], #48")
TEST_P( "ldrh r10, [r",9, 64,"], #-48")
TEST( "ldrh r0, [pc, #0]")
@@ -521,18 +521,18 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe0d9f3b0) " @ ldrh pc, [r9], #48")
TEST_PR( "ldrsb r0, [r",0, 48,", -r",2, 24,"]")
- TEST_PR( "ldrhisb r14, [r",13,0,", r",12, 48,"]")
+ TEST_PR( "ldrsbhi r14, [r",13,0,", r",12, 48,"]")
TEST_PR( "ldrsb r1, [r",2, 24,", r",3, 48,"]!")
- TEST_PR( "ldrlssb r12, [r",11,48,", -r",10,24,"]!")
+ TEST_PR( "ldrsbls r12, [r",11,48,", -r",10,24,"]!")
TEST_PR( "ldrsb r2, [r",3, 24,"], r",4, 48,"")
TEST_PR( "ldrsb r10, [r",9, 48,"], -r",11,24,"")
TEST_UNSUPPORTED(__inst_arm(0xe1bfc0da) " @ ldrsb r12, [pc, r10]!")
TEST_UNSUPPORTED(__inst_arm(0xe099f0db) " @ ldrsb pc, [r9], r11")
TEST_P( "ldrsb r0, [r",0, 24,", #-1]")
- TEST_P( "ldrgesb r14, [r",13,0, ", #1]")
+ TEST_P( "ldrsbge r14, [r",13,0, ", #1]")
TEST_P( "ldrsb r1, [r",2, 24,", #4]!")
- TEST_P( "ldrltsb r12, [r",11,24,", #-4]!")
+ TEST_P( "ldrsblt r12, [r",11,24,", #-4]!")
TEST_P( "ldrsb r2, [r",3, 24,"], #48")
TEST_P( "ldrsb r10, [r",9, 64,"], #-48")
TEST( "ldrsb r0, [pc, #0]")
@@ -540,18 +540,18 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe0d9f3d0) " @ ldrsb pc, [r9], #48")
TEST_PR( "ldrsh r0, [r",0, 48,", -r",2, 24,"]")
- TEST_PR( "ldrgtsh r14, [r",13,0, ", r",12, 48,"]")
+ TEST_PR( "ldrshgt r14, [r",13,0, ", r",12, 48,"]")
TEST_PR( "ldrsh r1, [r",2, 24,", r",3, 48,"]!")
- TEST_PR( "ldrlesh r12, [r",11,48,", -r",10,24,"]!")
+ TEST_PR( "ldrshle r12, [r",11,48,", -r",10,24,"]!")
TEST_PR( "ldrsh r2, [r",3, 24,"], r",4, 48,"")
TEST_PR( "ldrsh r10, [r",9, 48,"], -r",11,24,"")
TEST_UNSUPPORTED(__inst_arm(0xe1bfc0fa) " @ ldrsh r12, [pc, r10]!")
TEST_UNSUPPORTED(__inst_arm(0xe099f0fb) " @ ldrsh pc, [r9], r11")
TEST_P( "ldrsh r0, [r",0, 24,", #-1]")
- TEST_P( "ldreqsh r14, [r",13,0 ,", #1]")
+ TEST_P( "ldrsheq r14, [r",13,0 ,", #1]")
TEST_P( "ldrsh r1, [r",2, 24,", #4]!")
- TEST_P( "ldrnesh r12, [r",11,24,", #-4]!")
+ TEST_P( "ldrshne r12, [r",11,24,", #-4]!")
TEST_P( "ldrsh r2, [r",3, 24,"], #48")
TEST_P( "ldrsh r10, [r",9, 64,"], #-48")
TEST( "ldrsh r0, [pc, #0]")
@@ -571,30 +571,30 @@ void kprobe_arm_test_cases(void)
#if __LINUX_ARM_ARCH__ >= 5
TEST_RPR( "strd r",0, VAL1,", [r",1, 48,", -r",2,24,"]")
- TEST_RPR( "strccd r",8, VAL2,", [r",11,0, ", r",12,48,"]")
- TEST_UNSUPPORTED( "strccd r8, [r13, r12]")
- TEST_UNSUPPORTED( "strccd r8, [r12, r13]")
+ TEST_RPR( "strdcc r",8, VAL2,", [r",11,0, ", r",12,48,"]")
+ TEST_UNSUPPORTED( "strdcc r8, [r13, r12]")
+ TEST_UNSUPPORTED( "strdcc r8, [r12, r13]")
TEST_RPR( "strd r",4, VAL1,", [r",2, 24,", r",3, 48,"]!")
- TEST_RPR( "strcsd r",12,VAL2,", [r",11,48,", -r",10,24,"]!")
- TEST_RPR( "strd r",2, VAL1,", [r",5, 24,"], r",4,48,"")
- TEST_RPR( "strd r",10,VAL2,", [r",9, 48,"], -r",7,24,"")
+ TEST_RPR( "strdcs r",12,VAL2,", r13, [r",11,48,", -r",10,24,"]!")
+ TEST_RPR( "strd r",2, VAL1,", r3, [r",5, 24,"], r",4,48,"")
+ TEST_RPR( "strd r",10,VAL2,", r11, [r",9, 48,"], -r",7,24,"")
TEST_UNSUPPORTED(__inst_arm(0xe1afc0fa) " @ strd r12, [pc, r10]!")
TEST_PR( "ldrd r0, [r",0, 48,", -r",2,24,"]")
- TEST_PR( "ldrmid r8, [r",13,0, ", r",12,48,"]")
+ TEST_PR( "ldrdmi r8, [r",13,0, ", r",12,48,"]")
TEST_PR( "ldrd r4, [r",2, 24,", r",3, 48,"]!")
- TEST_PR( "ldrpld r6, [r",11,48,", -r",10,24,"]!")
- TEST_PR( "ldrd r2, [r",5, 24,"], r",4,48,"")
- TEST_PR( "ldrd r10, [r",9,48,"], -r",7,24,"")
+ TEST_PR( "ldrdpl r6, [r",11,48,", -r",10,24,"]!")
+ TEST_PR( "ldrd r2, r3, [r",5, 24,"], r",4,48,"")
+ TEST_PR( "ldrd r10, r11, [r",9,48,"], -r",7,24,"")
TEST_UNSUPPORTED(__inst_arm(0xe1afc0da) " @ ldrd r12, [pc, r10]!")
TEST_UNSUPPORTED(__inst_arm(0xe089f0db) " @ ldrd pc, [r9], r11")
TEST_UNSUPPORTED(__inst_arm(0xe089e0db) " @ ldrd lr, [r9], r11")
TEST_UNSUPPORTED(__inst_arm(0xe089c0df) " @ ldrd r12, [r9], pc")
TEST_RP( "strd r",0, VAL1,", [r",1, 24,", #-8]")
- TEST_RP( "strvsd r",8, VAL2,", [r",13,0, ", #8]")
+ TEST_RP( "strdvs r",8, VAL2,", [r",13,0, ", #8]")
TEST_RP( "strd r",4, VAL1,", [r",2, 24,", #16]!")
- TEST_RP( "strvcd r",12,VAL2,", [r",11,24,", #-16]!")
+ TEST_RP( "strdvc r",12,VAL2,", r13, [r",11,24,", #-16]!")
TEST_RP( "strd r",2, VAL1,", [r",4, 24,"], #48")
TEST_RP( "strd r",10,VAL2,", [r",9, 64,"], #-48")
TEST_RP( "strd r",6, VAL1,", [r",13,TEST_MEMORY_SIZE,", #-"__stringify(MAX_STACK_SIZE)"]!")
@@ -603,9 +603,9 @@ void kprobe_arm_test_cases(void)
TEST_UNSUPPORTED(__inst_arm(0xe1efc3f0) " @ strd r12, [pc, #48]!")
TEST_P( "ldrd r0, [r",0, 24,", #-8]")
- TEST_P( "ldrhid r8, [r",13,0, ", #8]")
+ TEST_P( "ldrdhi r8, [r",13,0, ", #8]")
TEST_P( "ldrd r4, [r",2, 24,", #16]!")
- TEST_P( "ldrlsd r6, [r",11,24,", #-16]!")
+ TEST_P( "ldrdls r6, [r",11,24,", #-16]!")
TEST_P( "ldrd r2, [r",5, 24,"], #48")
TEST_P( "ldrd r10, [r",9,6,"], #-48")
TEST_UNSUPPORTED(__inst_arm(0xe1efc3d0) " @ ldrd r12, [pc, #48]!")
@@ -1084,63 +1084,63 @@ void kprobe_arm_test_cases(void)
TEST_GROUP("Branch, branch with link, and block data transfer")
TEST_P( "stmda r",0, 16*4,", {r0}")
- TEST_P( "stmeqda r",4, 16*4,", {r0-r15}")
- TEST_P( "stmneda r",8, 16*4,"!, {r8-r15}")
+ TEST_P( "stmdaeq r",4, 16*4,", {r0-r15}")
+ TEST_P( "stmdane r",8, 16*4,"!, {r8-r15}")
TEST_P( "stmda r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_P( "stmda r",13,0, "!, {pc}")
TEST_P( "ldmda r",0, 16*4,", {r0}")
- TEST_BF_P("ldmcsda r",4, 15*4,", {r0-r15}")
- TEST_BF_P("ldmccda r",7, 15*4,"!, {r8-r15}")
+ TEST_BF_P("ldmdacs r",4, 15*4,", {r0-r15}")
+ TEST_BF_P("ldmdacc r",7, 15*4,"!, {r8-r15}")
TEST_P( "ldmda r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_BF_P("ldmda r",14,15*4,"!, {pc}")
TEST_P( "stmia r",0, 16*4,", {r0}")
- TEST_P( "stmmiia r",4, 16*4,", {r0-r15}")
- TEST_P( "stmplia r",8, 16*4,"!, {r8-r15}")
+ TEST_P( "stmiami r",4, 16*4,", {r0-r15}")
+ TEST_P( "stmiapl r",8, 16*4,"!, {r8-r15}")
TEST_P( "stmia r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_P( "stmia r",14,0, "!, {pc}")
TEST_P( "ldmia r",0, 16*4,", {r0}")
- TEST_BF_P("ldmvsia r",4, 0, ", {r0-r15}")
- TEST_BF_P("ldmvcia r",7, 8*4, "!, {r8-r15}")
+ TEST_BF_P("ldmiavs r",4, 0, ", {r0-r15}")
+ TEST_BF_P("ldmiavc r",7, 8*4, "!, {r8-r15}")
TEST_P( "ldmia r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_BF_P("ldmia r",14,15*4,"!, {pc}")
TEST_P( "stmdb r",0, 16*4,", {r0}")
- TEST_P( "stmhidb r",4, 16*4,", {r0-r15}")
- TEST_P( "stmlsdb r",8, 16*4,"!, {r8-r15}")
+ TEST_P( "stmdbhi r",4, 16*4,", {r0-r15}")
+ TEST_P( "stmdbls r",8, 16*4,"!, {r8-r15}")
TEST_P( "stmdb r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_P( "stmdb r",13,4, "!, {pc}")
TEST_P( "ldmdb r",0, 16*4,", {r0}")
- TEST_BF_P("ldmgedb r",4, 16*4,", {r0-r15}")
- TEST_BF_P("ldmltdb r",7, 16*4,"!, {r8-r15}")
+ TEST_BF_P("ldmdbge r",4, 16*4,", {r0-r15}")
+ TEST_BF_P("ldmdblt r",7, 16*4,"!, {r8-r15}")
TEST_P( "ldmdb r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_BF_P("ldmdb r",14,16*4,"!, {pc}")
TEST_P( "stmib r",0, 16*4,", {r0}")
- TEST_P( "stmgtib r",4, 16*4,", {r0-r15}")
- TEST_P( "stmleib r",8, 16*4,"!, {r8-r15}")
+ TEST_P( "stmibgt r",4, 16*4,", {r0-r15}")
+ TEST_P( "stmible r",8, 16*4,"!, {r8-r15}")
TEST_P( "stmib r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_P( "stmib r",13,-4, "!, {pc}")
TEST_P( "ldmib r",0, 16*4,", {r0}")
- TEST_BF_P("ldmeqib r",4, -4,", {r0-r15}")
- TEST_BF_P("ldmneib r",7, 7*4,"!, {r8-r15}")
+ TEST_BF_P("ldmibeq r",4, -4,", {r0-r15}")
+ TEST_BF_P("ldmibne r",7, 7*4,"!, {r8-r15}")
TEST_P( "ldmib r",12,16*4,"!, {r1,r3,r5,r7,r8-r11,r14}")
TEST_BF_P("ldmib r",14,14*4,"!, {pc}")
TEST_P( "stmdb r",13,16*4,"!, {r3-r12,lr}")
- TEST_P( "stmeqdb r",13,16*4,"!, {r3-r12}")
- TEST_P( "stmnedb r",2, 16*4,", {r3-r12,lr}")
+ TEST_P( "stmdbeq r",13,16*4,"!, {r3-r12}")
+ TEST_P( "stmdbne r",2, 16*4,", {r3-r12,lr}")
TEST_P( "stmdb r",13,16*4,"!, {r2-r12,lr}")
TEST_P( "stmdb r",0, 16*4,", {r0-r12}")
TEST_P( "stmdb r",0, 16*4,", {r0-r12,lr}")
TEST_BF_P("ldmia r",13,5*4, "!, {r3-r12,pc}")
- TEST_P( "ldmccia r",13,5*4, "!, {r3-r12}")
- TEST_BF_P("ldmcsia r",2, 5*4, "!, {r3-r12,pc}")
+ TEST_P( "ldmiacc r",13,5*4, "!, {r3-r12}")
+ TEST_BF_P("ldmiacs r",2, 5*4, "!, {r3-r12,pc}")
TEST_BF_P("ldmia r",13,4*4, "!, {r2-r12,pc}")
TEST_P( "ldmia r",0, 16*4,", {r0-r12}")
TEST_P( "ldmia r",0, 16*4,", {r0-r12,lr}")
@@ -1174,80 +1174,80 @@ void kprobe_arm_test_cases(void)
#define TEST_COPROCESSOR(code) TEST_UNSUPPORTED(code)
#define COPROCESSOR_INSTRUCTIONS_ST_LD(two,cc) \
- TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #4]") \
- TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #-4]") \
- TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #4]!") \
- TEST_COPROCESSOR("stc"two" 0, cr0, [r13, #-4]!") \
- TEST_COPROCESSOR("stc"two" 0, cr0, [r13], #4") \
- TEST_COPROCESSOR("stc"two" 0, cr0, [r13], #-4") \
- TEST_COPROCESSOR("stc"two" 0, cr0, [r13], {1}") \
- TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #4]") \
- TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #-4]") \
- TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #4]!") \
- TEST_COPROCESSOR("stc"two"l 0, cr0, [r13, #-4]!") \
- TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], #4") \
- TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], #-4") \
- TEST_COPROCESSOR("stc"two"l 0, cr0, [r13], {1}") \
- TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #4]") \
- TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #-4]") \
- TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #4]!") \
- TEST_COPROCESSOR("ldc"two" 0, cr0, [r13, #-4]!") \
- TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], #4") \
- TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], #-4") \
- TEST_COPROCESSOR("ldc"two" 0, cr0, [r13], {1}") \
- TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #4]") \
- TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #-4]") \
- TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #4]!") \
- TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13, #-4]!") \
- TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], #4") \
- TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], #-4") \
- TEST_COPROCESSOR("ldc"two"l 0, cr0, [r13], {1}") \
+ TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #4]") \
+ TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #-4]") \
+ TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #4]!") \
+ TEST_COPROCESSOR("stc"two" p0, cr0, [r13, #-4]!") \
+ TEST_COPROCESSOR("stc"two" p0, cr0, [r13], #4") \
+ TEST_COPROCESSOR("stc"two" p0, cr0, [r13], #-4") \
+ TEST_COPROCESSOR("stc"two" p0, cr0, [r13], {1}") \
+ TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #4]") \
+ TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #-4]") \
+ TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #4]!") \
+ TEST_COPROCESSOR("stc"two"l p0, cr0, [r13, #-4]!") \
+ TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], #4") \
+ TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], #-4") \
+ TEST_COPROCESSOR("stc"two"l p0, cr0, [r13], {1}") \
+ TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #4]") \
+ TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #-4]") \
+ TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #4]!") \
+ TEST_COPROCESSOR("ldc"two" p0, cr0, [r13, #-4]!") \
+ TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], #4") \
+ TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], #-4") \
+ TEST_COPROCESSOR("ldc"two" p0, cr0, [r13], {1}") \
+ TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #4]") \
+ TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #-4]") \
+ TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #4]!") \
+ TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13, #-4]!") \
+ TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], #4") \
+ TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], #-4") \
+ TEST_COPROCESSOR("ldc"two"l p0, cr0, [r13], {1}") \
\
- TEST_COPROCESSOR( "stc"two" 0, cr0, [r15, #4]") \
- TEST_COPROCESSOR( "stc"two" 0, cr0, [r15, #-4]") \
+ TEST_COPROCESSOR( "stc"two" p0, cr0, [r15, #4]") \
+ TEST_COPROCESSOR( "stc"two" p0, cr0, [r15, #-4]") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##daf0001) " @ stc"two" 0, cr0, [r15, #4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##d2f0001) " @ stc"two" 0, cr0, [r15, #-4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##caf0001) " @ stc"two" 0, cr0, [r15], #4") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c2f0001) " @ stc"two" 0, cr0, [r15], #-4") \
- TEST_COPROCESSOR( "stc"two" 0, cr0, [r15], {1}") \
- TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15, #4]") \
- TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15, #-4]") \
+ TEST_COPROCESSOR( "stc"two" p0, cr0, [r15], {1}") \
+ TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15, #4]") \
+ TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15, #-4]") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##def0001) " @ stc"two"l 0, cr0, [r15, #4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##d6f0001) " @ stc"two"l 0, cr0, [r15, #-4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##cef0001) " @ stc"two"l 0, cr0, [r15], #4") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c6f0001) " @ stc"two"l 0, cr0, [r15], #-4") \
- TEST_COPROCESSOR( "stc"two"l 0, cr0, [r15], {1}") \
- TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15, #4]") \
- TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15, #-4]") \
+ TEST_COPROCESSOR( "stc"two"l p0, cr0, [r15], {1}") \
+ TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15, #4]") \
+ TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15, #-4]") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##dbf0001) " @ ldc"two" 0, cr0, [r15, #4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##d3f0001) " @ ldc"two" 0, cr0, [r15, #-4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##cbf0001) " @ ldc"two" 0, cr0, [r15], #4") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c3f0001) " @ ldc"two" 0, cr0, [r15], #-4") \
- TEST_COPROCESSOR( "ldc"two" 0, cr0, [r15], {1}") \
- TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15, #4]") \
- TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15, #-4]") \
+ TEST_COPROCESSOR( "ldc"two" p0, cr0, [r15], {1}") \
+ TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15, #4]") \
+ TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15, #-4]") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##dff0001) " @ ldc"two"l 0, cr0, [r15, #4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##d7f0001) " @ ldc"two"l 0, cr0, [r15, #-4]!") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##cff0001) " @ ldc"two"l 0, cr0, [r15], #4") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c7f0001) " @ ldc"two"l 0, cr0, [r15], #-4") \
- TEST_COPROCESSOR( "ldc"two"l 0, cr0, [r15], {1}")
+ TEST_COPROCESSOR( "ldc"two"l p0, cr0, [r15], {1}")
#define COPROCESSOR_INSTRUCTIONS_MC_MR(two,cc) \
\
- TEST_COPROCESSOR( "mcrr"two" 0, 15, r0, r14, cr0") \
- TEST_COPROCESSOR( "mcrr"two" 15, 0, r14, r0, cr15") \
+ TEST_COPROCESSOR( "mcrr"two" p0, 15, r0, r14, cr0") \
+ TEST_COPROCESSOR( "mcrr"two" p15, 0, r14, r0, cr15") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c4f00f0) " @ mcrr"two" 0, 15, r0, r15, cr0") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c40ff0f) " @ mcrr"two" 15, 0, r15, r0, cr15") \
- TEST_COPROCESSOR( "mrrc"two" 0, 15, r0, r14, cr0") \
- TEST_COPROCESSOR( "mrrc"two" 15, 0, r14, r0, cr15") \
+ TEST_COPROCESSOR( "mrrc"two" p0, 15, r0, r14, cr0") \
+ TEST_COPROCESSOR( "mrrc"two" p15, 0, r14, r0, cr15") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c5f00f0) " @ mrrc"two" 0, 15, r0, r15, cr0") \
TEST_UNSUPPORTED(__inst_arm(0x##cc##c50ff0f) " @ mrrc"two" 15, 0, r15, r0, cr15") \
- TEST_COPROCESSOR( "cdp"two" 15, 15, cr15, cr15, cr15, 7") \
- TEST_COPROCESSOR( "cdp"two" 0, 0, cr0, cr0, cr0, 0") \
- TEST_COPROCESSOR( "mcr"two" 15, 7, r15, cr15, cr15, 7") \
- TEST_COPROCESSOR( "mcr"two" 0, 0, r0, cr0, cr0, 0") \
- TEST_COPROCESSOR( "mrc"two" 15, 7, r15, cr15, cr15, 7") \
- TEST_COPROCESSOR( "mrc"two" 0, 0, r0, cr0, cr0, 0")
+ TEST_COPROCESSOR( "cdp"two" p15, 15, cr15, cr15, cr15, 7") \
+ TEST_COPROCESSOR( "cdp"two" p0, 0, cr0, cr0, cr0, 0") \
+ TEST_COPROCESSOR( "mcr"two" p15, 7, r15, cr15, cr15, 7") \
+ TEST_COPROCESSOR( "mcr"two" p0, 0, r0, cr0, cr0, 0") \
+ TEST_COPROCESSOR( "mrc"two" p15, 7, r14, cr15, cr15, 7") \
+ TEST_COPROCESSOR( "mrc"two" p0, 0, r0, cr0, cr0, 0")
COPROCESSOR_INSTRUCTIONS_ST_LD("",e)
#if __LINUX_ARM_ARCH__ >= 5
diff --git a/arch/arm/probes/kprobes/test-core.h b/arch/arm/probes/kprobes/test-core.h
index 19a5b2a..f1d5583 100644
--- a/arch/arm/probes/kprobes/test-core.h
+++ b/arch/arm/probes/kprobes/test-core.h
@@ -108,6 +108,7 @@ struct test_arg_end {
#define TESTCASE_START(title) \
__asm__ __volatile__ ( \
+ ".syntax unified \n\t" \
"bl __kprobes_test_case_start \n\t" \
".pushsection .rodata \n\t" \
"10: \n\t" \
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 8ad576e..7f1c106b 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -29,6 +29,7 @@
#include <linux/cpu.h>
#include <linux/console.h>
#include <linux/pvclock_gtod.h>
+#include <linux/reboot.h>
#include <linux/time64.h>
#include <linux/timekeeping.h>
#include <linux/timekeeper_internal.h>
@@ -181,11 +182,18 @@ void xen_reboot(int reason)
BUG_ON(rc);
}
-static void xen_restart(enum reboot_mode reboot_mode, const char *cmd)
+static int xen_restart(struct notifier_block *nb, unsigned long action,
+ void *data)
{
xen_reboot(SHUTDOWN_reboot);
+
+ return NOTIFY_DONE;
}
+static struct notifier_block xen_restart_nb = {
+ .notifier_call = xen_restart,
+ .priority = 192,
+};
static void xen_power_off(void)
{
@@ -404,7 +412,7 @@ static int __init xen_pm_init(void)
return -ENODEV;
pm_power_off = xen_power_off;
- arm_pm_restart = xen_restart;
+ register_restart_handler(&xen_restart_nb);
if (!xen_initial_domain()) {
struct timespec64 ts;
xen_read_wallclock(&ts);
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 5e5cf3a..3007e97 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -73,6 +73,8 @@
select ARCH_USE_SYM_ANNOTATIONS
select ARCH_SUPPORTS_MEMORY_FAILURE
select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK
+ select ARCH_SUPPORTS_LTO_CLANG if CPU_LITTLE_ENDIAN
+ select ARCH_SUPPORTS_LTO_CLANG_THIN
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG)
select ARCH_SUPPORTS_NUMA_BALANCING
@@ -109,6 +111,7 @@
select GENERIC_EARLY_IOREMAP
select GENERIC_IDLE_POLL_SETUP
select GENERIC_IRQ_IPI
+ select ARCH_WANTS_IRQ_RAW
select GENERIC_IRQ_MULTI_HANDLER
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
@@ -125,6 +128,7 @@
select HANDLE_DOMAIN_IRQ
select HARDIRQS_SW_RESEND
select HAVE_MOVE_PMD
+ select HAVE_MOVE_PUD
select HAVE_PCI
select HAVE_ACPI_APEI if (ACPI && EFI)
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
@@ -135,7 +139,10 @@
select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_JUMP_LABEL_RELATIVE
select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
+ select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN
select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN
+ select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
+ select HAVE_ARCH_KFENCE
select HAVE_ARCH_KGDB
select HAVE_ARCH_MMAP_RND_BITS
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
@@ -159,6 +166,8 @@
select HAVE_DYNAMIC_FTRACE
select HAVE_DYNAMIC_FTRACE_WITH_REGS \
if $(cc-option,-fpatchable-function-entry=2)
+ select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY \
+ if DYNAMIC_FTRACE_WITH_REGS
select HAVE_EFFICIENT_UNALIGNED_ACCESS
select HAVE_FAST_GUP
select HAVE_FTRACE_MCOUNT_RECORD
@@ -186,6 +195,7 @@
select IOMMU_DMA if IOMMU_SUPPORT
select IRQ_DOMAIN
select IRQ_FORCED_THREADING
+ select KASAN_VMALLOC if KASAN_GENERIC
select MODULES_USE_ELF_RELA
select NEED_DMA_MAP_STATE
select NEED_SG_DMA_LENGTH
@@ -201,6 +211,8 @@
select SWIOTLB
select SYSCTL_EXCEPTION_TRACE
select THREAD_INFO_IN_TASK
+ select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
+ select HAVE_ARCH_USERFAULTFD_MINOR if USERFAULTFD
help
ARM 64-bit (AArch64) Linux support.
@@ -331,7 +343,7 @@
config KASAN_SHADOW_OFFSET
hex
- depends on KASAN
+ depends on KASAN_GENERIC || KASAN_SW_TAGS
default 0xdfffa00000000000 if (ARM64_VA_BITS_48 || ARM64_VA_BITS_52) && !KASAN_SW_TAGS
default 0xdfffd00000000000 if ARM64_VA_BITS_47 && !KASAN_SW_TAGS
default 0xdffffe8000000000 if ARM64_VA_BITS_42 && !KASAN_SW_TAGS
@@ -1390,6 +1402,9 @@
The feature is detected at runtime, and will remain as a 'nop'
instruction if the cpu does not implement the feature.
+config AS_HAS_LDAPR
+ def_bool $(as-instr,.arch_extension rcpc)
+
config AS_HAS_LSE_ATOMICS
def_bool $(as-instr,.arch_extension lse)
@@ -1596,6 +1611,9 @@
menu "ARMv8.5 architectural features"
+config AS_HAS_ARMV8_5
+ def_bool $(cc-option,-Wa$(comma)-march=armv8.5-a)
+
config ARM64_BTI
bool "Branch Target Identification support"
default y
@@ -1627,6 +1645,8 @@
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697
depends on !CC_IS_GCC || GCC_VERSION >= 100100
depends on !(CC_IS_CLANG && GCOV_KERNEL)
+ # https://bugs.llvm.org/show_bug.cgi?id=46258
+ depends on !CFI_CLANG || CLANG_VERSION >= 120000
depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
help
Build the kernel with Branch Target Identification annotations
@@ -1670,6 +1690,9 @@
bool "Memory Tagging Extension support"
default y
depends on ARM64_AS_HAS_MTE && ARM64_TAGGED_ADDR_ABI
+ depends on AS_HAS_ARMV8_5
+ # Required for tag checking in the uaccess routines
+ depends on ARM64_PAN
depends on AS_HAS_LSE_ATOMICS
select ARCH_USES_HIGH_VMA_FLAGS
help
@@ -1697,7 +1720,6 @@
config ARM64_SVE
bool "ARM Scalable Vector Extension support"
default y
- depends on !KVM || ARM64_VHE
help
The Scalable Vector Extension (SVE) is an extension to the AArch64
execution state which complements and extends the SIMD functionality
@@ -1726,12 +1748,6 @@
booting the kernel. If unsure and you are not observing these
symptoms, you should assume that it is safe to say Y.
- CPUs that support SVE are architecturally required to support the
- Virtualization Host Extensions (VHE), so the kernel makes no
- provision for supporting SVE alongside KVM without VHE enabled.
- Thus, you will need to enable CONFIG_ARM64_VHE if you want to support
- KVM in the same kernel image.
-
config ARM64_MODULE_PLTS
bool "Use PLTs to allow module memory to spill over into vmalloc area"
depends on MODULES
@@ -1852,15 +1868,36 @@
entering them here. As a minimum, you should specify the the
root device (e.g. root=/dev/nfs).
+choice
+ prompt "Kernel command line type" if CMDLINE != ""
+ default CMDLINE_FROM_BOOTLOADER
+ help
+ Choose how the kernel will handle the provided default kernel
+ command line string.
+
+config CMDLINE_FROM_BOOTLOADER
+ bool "Use bootloader kernel arguments if available"
+ help
+ Uses the command-line options passed by the boot loader. If
+ the boot loader doesn't provide any, the default kernel command
+ string provided in CMDLINE will be used.
+
+config CMDLINE_EXTEND
+ bool "Extend bootloader kernel arguments"
+ help
+ The command-line arguments provided by the boot loader will be
+ appended to the default kernel command string.
+
config CMDLINE_FORCE
bool "Always use the default kernel command string"
- depends on CMDLINE != ""
help
Always use the default kernel command string, even if the boot
loader passes other arguments to the kernel.
This is useful if you cannot or don't want to change the
command-line options your boot loader passes to the kernel.
+endchoice
+
config EFI_STUB
bool
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 5c4ac1c9..10d0568 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -152,12 +152,6 @@
config ARCH_MESON
bool "Amlogic Platforms"
- select PINCTRL
- select PINCTRL_MESON
- select COMMON_CLK_GXBB
- select COMMON_CLK_AXG
- select COMMON_CLK_G12A
- select MESON_IRQ_GPIO
help
This enables support for the arm64 based Amlogic SoCs
such as the s905, S905X/D, S912, A113X/D or S905X/D2
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 485b7db..07c5e0f 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -96,6 +96,11 @@
asm-arch := armv8.4-a
endif
+ifeq ($(CONFIG_AS_HAS_ARMV8_5), y)
+# make sure to pass the newest target architecture to -march.
+asm-arch := armv8.5-a
+endif
+
ifdef asm-arch
KBUILD_CFLAGS += -Wa,-march=$(asm-arch) \
-DARM64_ASM_ARCH='"$(asm-arch)"'
@@ -136,7 +141,7 @@
ifeq ($(CONFIG_KASAN_SW_TAGS), y)
KASAN_SHADOW_SCALE_SHIFT := 4
-else
+else ifeq ($(CONFIG_KASAN_GENERIC), y)
KASAN_SHADOW_SCALE_SHIFT := 3
endif
@@ -152,7 +157,10 @@
boot := arch/arm64/boot
KBUILD_IMAGE := $(boot)/Image.gz
+# Don't compile Image in mixed build with "all" target
+ifndef KBUILD_MIXED_TREE
all: Image.gz
+endif
Image: vmlinux
diff --git a/arch/arm64/Makefile.postlink b/arch/arm64/Makefile.postlink
new file mode 100644
index 0000000..a137891
--- /dev/null
+++ b/arch/arm64/Makefile.postlink
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0
+
+#
+# This file is included by the generic Kbuild makefile to permit the
+# architecture to perform postlink actions on vmlinux and any .ko module file.
+# In this case, we only need it for fips140.ko, which needs some postprocessing
+# for the integrity check mandated by FIPS. This involves making copies of the
+# relocation sections so that the module will have access to them at
+# initialization time, and calculating and injecting a HMAC digest into the
+# module. All other targets are NOPs.
+#
+
+PHONY := __archpost
+__archpost:
+
+-include include/config/auto.conf
+include scripts/Kbuild.include
+
+CMD_FIPS140_GEN_HMAC = crypto/fips140_gen_hmac
+quiet_cmd_gen_hmac = HMAC $@
+ cmd_gen_hmac = $(OBJCOPY) $@ \
+ --dump-section=$(shell $(READELF) -SW $@|grep -Eo '\.rela\.text\S*')=$@.rela.text \
+ --dump-section=$(shell $(READELF) -SW $@|grep -Eo '\.rela\.rodata\S*')=$@.rela.rodata \
+ --add-section=.init.rela.text=$@.rela.text \
+ --add-section=.init.rela.rodata=$@.rela.rodata \
+ --set-section-flags=.init.rela.text=alloc,readonly \
+ --set-section-flags=.init.rela.rodata=alloc,readonly && \
+ $(CMD_FIPS140_GEN_HMAC) $@
+
+# `@true` prevents complaints when there is nothing to be done
+
+vmlinux: FORCE
+ @true
+
+$(objtree)/crypto/fips140.ko: FORCE
+ $(call cmd,gen_hmac)
+
+%.ko: FORCE
+ @true
+
+clean:
+ rm -f $(objtree)/crypto/fips140.ko.rela.*
+
+PHONY += FORCE clean
+
+FORCE:
+
+.PHONY: $(PHONY)
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index ced0394..91af076 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -1,11 +1,13 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510-android.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-gtking-pro.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-g12b-a311d-khadas-vim3-android.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-s922x-khadas-vim3.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2-plus.dtb
@@ -45,6 +47,8 @@
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxm-wetek-core2.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610-android.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-sm1-khadas-vim3l-android.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-c4.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510-android.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510-android.dts
new file mode 100644
index 0000000..2f89a01
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510-android.dts
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "seirobotics,sei510", "amlogic,g12a";
+ model = "SEI Robotics SEI510";
+ fragment@101 {
+ target-path = "/";
+
+ __overlay__ {
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ramoops@d000000 {
+ compatible = "ramoops";
+ reg = <0x0 0x0d000000 0x0 0x00100000>;
+ record-size = <0x8000>;
+ console-size = <0x8000>;
+ ftrace-size = <0x0>;
+ pmsg-size = <0x8000>;
+ };
+ };
+
+ adc_keys {
+ button-onoff {
+ linux,code = <BTN_0>;
+ };
+ };
+
+ cvbs-connector {
+ status = "disabled";
+ };
+ };
+ };
+};
+
+&vddao_3v3_t {
+ gpio-open-drain;
+};
+
+&uart_A {
+ bluetooth {
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <95 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host-wakeup";
+ };
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3-android.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3-android.dts
new file mode 100644
index 0000000..3ab19e2
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3-android.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ compatible = "khadas,vim3", "amlogic,a311d", "amlogic,g12b";
+ model = "Khadas VIM3";
+ fragment@101 {
+ target-path = "/";
+ __overlay__ {
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ramoops@d000000 {
+ compatible = "ramoops";
+ reg = <0x0 0x0d000000 0x0 0x00100000>;
+ record-size = <0x8000>;
+ console-size = <0x8000>;
+ ftrace-size = <0x0>;
+ pmsg-size = <0x8000>;
+ };
+ };
+
+ };
+ };
+};
+
+&vcc_5v {
+ gpio-open-drain;
+};
+
+&uart_C {
+ status = "okay";
+ pinctrl-0 = <&uart_c_pins>;
+ pinctrl-names = "default";
+};
+
+&emmc_pwrseq{
+ status = "okay";
+};
+
+&sd_emmc_a {
+ /* WiFi firmware requires power to be kept while in suspend */
+ keep-power-in-suspend;
+};
\ No newline at end of file
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l-android.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l-android.dts
new file mode 100644
index 0000000..4b06bf2
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l-android.dts
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/phy/phy.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ compatible = "khadas,vim3l", "amlogic,sm1";
+ model = "Khadas VIM3L";
+ fragment@101 {
+ target-path = "/";
+ __overlay__ {
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ramoops@d000000 {
+ compatible = "ramoops";
+ reg = <0x0 0x0d000000 0x0 0x00100000>;
+ record-size = <0x8000>;
+ console-size = <0x8000>;
+ ftrace-size = <0x0>;
+ pmsg-size = <0x8000>;
+ };
+ };
+ };
+ };
+};
+
+&vcc_5v {
+ gpio-open-drain;
+};
+
+&uart_A {
+ bluetooth {
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <95 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host-wakeup";
+ };
+};
+
+&uart_C {
+ status = "disabled";
+ pinctrl-0 = <&uart_c_pins>;
+ pinctrl-names = "default";
+};
+
+&emmc_pwrseq{
+ status = "okay";
+};
+
+&sd_emmc_a {
+ /* WiFi firmware requires power to be kept while in suspend */
+ keep-power-in-suspend;
+};
+
+&spicc1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spicc1_pins>;
+ cs-gpios = <&gpio GPIOH_6 GPIO_ACTIVE_LOW>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ spidev@0 {
+ compatible = "rohm,dh2228fv";
+ reg = <0>;
+ spi-max-frequency = <500000>;
+ status = "okay";
+ };
+
+ neonkey@0 {
+ compatible = "nanohub";
+ reg = <0>;
+ spi-max-frequency = <500000>;
+
+ sensorhub,nreset-gpio = <&gpio GPIOA_0 0>;
+ sensorhub,boot0-gpio = <&gpio GPIOA_3 0>; /* Fake */
+ sensorhub,wakeup-gpio = <&gpio GPIOA_2 0>; /* A2 -> PB9 */
+ sensorhub,irq1-gpio = <&gpio GPIOA_1 0>; /* A1 -> PB5 */
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <62 IRQ_TYPE_EDGE_RISING>; /* A1 */
+ /* sensorhub,spi-cs-gpio = <&gpio GPIOH_6 GPIO_ACTIVE_LOW>; Optional */
+ sensorhub,bl-addr = <0x08000000>;
+ sensorhub,kernel-addr = <0x0800C000>;
+ sensorhub,shared-addr = <0x08040000>;
+ sensorhub,flash-banks = <0 0x08000000 0x04000>,
+ <3 0x0800C000 0x04000>,
+ <4 0x08010000 0x10000>,
+ <5 0x08020000 0x20000>,
+ <6 0x08040000 0x20000>,
+ <7 0x08060000 0x20000>;
+ sensorhub,num-flash-banks = <6>;
+ status = "disabled";
+ };
+
+ argonkey@0 {
+ compatible = "nanohub";
+ reg = <0>;
+ spi-max-frequency = <500000>;
+ spi-cpol;
+
+ sensorhub,nreset-gpio = <&gpio GPIOA_0 0>;
+ sensorhub,boot0-gpio = <&gpio GPIOA_3 0>;
+ sensorhub,wakeup-gpio = <&gpio GPIOA_1 0>; /* A1 -> PA0 */
+ sensorhub,irq1-gpio = <&gpio GPIOA_2 0>; /* A2 -> PA1 */
+ interrupt-parent = <&gpio_intc>;
+ interrupts = <63 IRQ_TYPE_EDGE_RISING>; /* A2 */
+ sensorhub,bl-addr = <0x08000000>;
+ sensorhub,kernel-addr = <0x0800C000>;
+ sensorhub,num-flash-banks = <4>;
+ sensorhub,flash-banks = <0 0x08000000 0x04000>,
+ <3 0x0800C000 0x04000>,
+ <4 0x08010000 0x10000>,
+ <5 0x08020000 0x20000>;
+ sensorhub,shared-addr = <0x08040000>;
+ sensorhub,num-shared-flash-banks = <6>;
+ sensorhub,shared-flash-banks = <6 0x08040000 0x20000>,
+ <7 0x08060000 0x20000>,
+ <8 0x08080000 0x20000>,
+ <9 0x080A0000 0x20000>,
+ <10 0x080C0000 0x20000>,
+ <11 0x080E0000 0x20000>;
+ status = "disabled";
+ };
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610-android.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610-android.dts
new file mode 100644
index 0000000..363d6c4
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610-android.dts
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 BayLibre SAS. All rights reserved.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "seirobotics,sei610", "amlogic,sm1";
+ model = "SEI Robotics SEI610";
+ fragment@101 {
+ target-path = "/";
+ __overlay__ {
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ramoops@d000000 {
+ compatible = "ramoops";
+ reg = <0x0 0x0d000000 0x0 0x00100000>;
+ record-size = <0x8000>;
+ console-size = <0x8000>;
+ ftrace-size = <0x0>;
+ pmsg-size = <0x8000>;
+ };
+ };
+ };
+ };
+};
+
+&vddao_3v3_t {
+ gpio-open-drain;
+};
+
+&emmc_pwrseq {
+ status = "okay";
+};
+
+&sd_emmc_a {
+ /* WiFi firmware requires power to be kept while in suspend */
+ keep-power-in-suspend;
+};
+
+&uart_C {
+ status = "disabled";
+ pinctrl-0 = <&uart_c_pins>;
+ pinctrl-names = "default";
+};
+
+&spicc0 {
+ status = "disabled";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spicc0_x_pins>;
+ cs-gpios = <&gpio GPIOX_10 GPIO_ACTIVE_LOW>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ spidev@0 {
+ compatible = "rohm,dh2228fv";
+ reg = <0>;
+ spi-max-frequency = <500000>;
+ status = "disabled";
+ };
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-drm.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660-drm.dtsi
new file mode 100644
index 0000000..3c2d3a8
--- /dev/null
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-drm.dtsi
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/{
+ dpe: dpe@E8600000 {
+ compatible = "hisilicon,hi3660-dpe";
+ status = "ok";
+
+ reg = <0x0 0xE8600000 0x0 0x80000>,
+ <0x0 0xFFF35000 0 0x1000>,
+ <0x0 0xFFF0A000 0 0x1000>,
+ <0x0 0xFFF31000 0 0x1000>,
+ <0x0 0xE86C0000 0 0x10000>;
+ interrupts = <0 245 4>;
+
+ clocks = <&crg_ctrl HI3660_ACLK_GATE_DSS>,
+ <&crg_ctrl HI3660_PCLK_GATE_DSS>,
+ <&crg_ctrl HI3660_CLK_GATE_EDC0>,
+ <&crg_ctrl HI3660_CLK_GATE_LDI0>,
+ <&crg_ctrl HI3660_CLK_GATE_LDI1>,
+ <&sctrl HI3660_CLK_GATE_DSS_AXI_MM>,
+ <&sctrl HI3660_PCLK_GATE_MMBUF>;
+ clock-names = "aclk_dss",
+ "pclk_dss",
+ "clk_edc0",
+ "clk_ldi0",
+ "clk_ldi1",
+ "clk_dss_axi_mm",
+ "pclk_mmbuf";
+
+ dma-coherent;
+
+ port {
+ dpe_out: endpoint {
+ remote-endpoint = <&dsi_in>;
+ };
+ };
+
+ iommu_info {
+ start-addr = <0x8000>;
+ size = <0xbfff8000>;
+ };
+ };
+
+ dsi: dsi@E8601000 {
+ compatible = "hisilicon,hi3660-dsi";
+ status = "ok";
+
+ reg = <0 0xE8601000 0 0x7F000>,
+ <0 0xFFF35000 0 0x1000>;
+
+ clocks = <&crg_ctrl HI3660_CLK_GATE_TXDPHY0_REF>,
+ <&crg_ctrl HI3660_CLK_GATE_TXDPHY1_REF>,
+ <&crg_ctrl HI3660_CLK_GATE_TXDPHY0_CFG>,
+ <&crg_ctrl HI3660_CLK_GATE_TXDPHY1_CFG>,
+ <&crg_ctrl HI3660_PCLK_GATE_DSI0>,
+ <&crg_ctrl HI3660_PCLK_GATE_DSI1>;
+ clock-names = "clk_txdphy0_ref",
+ "clk_txdphy1_ref",
+ "clk_txdphy0_cfg",
+ "clk_txdphy1_cfg",
+ "pclk_dsi0",
+ "pclk_dsi1";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mux-gpio = <&gpio2 4 0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dsi_in: endpoint {
+ remote-endpoint = <&dpe_out>;
+ };
+ };
+
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ dsi_out0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&adv7533_in>;
+ };
+
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-gpu.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660-gpu.dtsi
new file mode 100644
index 0000000..1415343
--- /dev/null
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-gpu.dtsi
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+/{
+ gpu: mali@E82C0000 {
+ compatible = "arm,malit6xx", "arm,mali-midgard";
+ #cooling-cells = <3>; /* min followed by max */
+ gpu_outstanding = <0x0>;
+ reg = <0x0 0xE82C0000 0x0 0x4000>;
+ interrupts = <0 258 4 0 259 4 0 260 4>;
+ interrupt-names = "JOB", "MMU", "GPU";
+ operating-points = <
+ /* <frequency> <voltage>*/
+ 178000 650000
+ 400000 700000
+ 533000 800000
+ 807000 900000
+ 960000 1000000
+ 1037000 1100000
+ >;
+ };
+};
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index 963300e..2f3760d 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -10,6 +10,9 @@
#include "hi3660.dtsi"
#include "hikey960-pinctrl.dtsi"
+#include "hi3660-drm.dtsi"
+#include "hi3660-gpu.dtsi"
+
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
@@ -53,6 +56,14 @@ ramoops@32000000 {
console-size = <0x00020000>;
ftrace-size = <0x00020000>;
};
+
+ /* global autoconfigured region for contiguous allocations */
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reg = <0x0 0x20C00000 0x0 0x4000000>;
+ reusable;
+ linux,cma-default;
+ };
};
reboot-mode-syscon@32100000 {
@@ -197,6 +208,56 @@ optee {
method = "smc";
};
};
+
+ hisi_hikey_usb: hisi_hikey_usb {
+ compatible = "hisilicon,gpio_hubv1";
+ typec-vbus-gpios = <&gpio25 2 GPIO_ACTIVE_HIGH>;
+ otg-switch-gpios = <&gpio25 6 GPIO_ACTIVE_HIGH>;
+ hub-vdd33-en-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
+ usb-role-switch;
+
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hikey_usb_ep0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&dwc3_role_switch>;
+ };
+ hikey_usb_ep1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&rt1711h_ep>;
+ };
+ };
+ };
+
+ i2s2: hi3660_i2s {
+ compatible = "hisilicon,hi3660-i2s-1.0";
+ reg = <0x0 0xe804f800 0x0 0x400>,
+ <0x0 0xe804e000 0x0 0x400>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2s2_pmx_func &i2s2_cfg_func>;
+ dmas = <&asp_dmac 18 &asp_dmac 19>;
+ dma-names = "rx", "tx";
+ #sound-dai-cells = <0>;
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "hikey-hdmi";
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,bitclock-master = <&sound_master>;
+ simple-audio-card,frame-master = <&sound_master>;
+
+ sound_master: simple-audio-card,cpu {
+ sound-dai = <&i2s2>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&adv7533>;
+ };
+ };
};
/*
@@ -564,7 +625,7 @@ port {
rt1711h_ep: endpoint@0 {
reg = <0>;
- remote-endpoint = <&dwc3_role_switch>;
+ remote-endpoint = <&hikey_usb_ep1>;
};
};
};
@@ -573,18 +634,31 @@ adv7533: adv7533@39 {
status = "okay";
compatible = "adi,adv7533";
reg = <0x39>;
+ v1p2-supply = <&ldo3>;
+ vdd-supply = <&ldo3>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <1 2>;
+ pd-gpio = <&gpio5 1 0>;
+ sel-gpio = <&gpio2 4 0>;
adi,dsi-lanes = <4>;
+ adi,disable-timing-generator;
+ #sound-dai-cells = <0>;
+
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
+ adv7533_in: endpoint {
+ remote-endpoint = <&dsi_out0>;
+ };
};
port@1 {
reg = <1>;
};
};
};
+
};
&i2c7 {
@@ -686,7 +760,7 @@ port {
#size-cells = <0>;
dwc3_role_switch: endpoint@0 {
reg = <0>;
- remote-endpoint = <&rt1711h_ep>;
+ remote-endpoint = <&hikey_usb_ep0>;
};
dwc3_ss: endpoint@1 {
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index fe4dce2..edbcf3c 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -431,7 +431,7 @@ i2c1: i2c@ffd72000 {
resets = <&iomcu_rst 0x20 4>;
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pmx_func &i2c1_cfg_func>;
- status = "disabled";
+ status = "ok";
};
i2c3: i2c@fdf0c000 {
diff --git a/arch/arm64/configs/amlogic_gki.fragment b/arch/arm64/configs/amlogic_gki.fragment
new file mode 100644
index 0000000..e577f55
--- /dev/null
+++ b/arch/arm64/configs/amlogic_gki.fragment
@@ -0,0 +1,142 @@
+#
+# Generic drivers/frameworks
+#
+CONFIG_COMMON_CLK_PWM=m
+CONFIG_REGULATOR_PWM=m
+CONFIG_PWRSEQ_EMMC=m
+CONFIG_PWRSEQ_SIMPLE=m
+CONFIG_USB_DWC2=m
+CONFIG_LEDS_GPIO=m
+
+#
+# Networking
+#
+CONFIG_REALTEK_PHY=m
+CONFIG_STMMAC_ETH=m
+CONFIG_STMMAC_PLATFORM=m
+
+#
+# WLAN
+#
+CONFIG_WLAN_VENDOR_BROADCOM=y
+CONFIG_BRCMUTIL=m
+CONFIG_BRCMFMAC=m
+CONFIG_BRCMFMAC_PROTO_BCDC=y
+CONFIG_BRCMFMAC_SDIO=y
+
+#
+# Amlogic
+#
+CONFIG_ARCH_MESON=y
+CONFIG_SERIAL_MESON=m
+CONFIG_SERIAL_MESON_CONSOLE=y
+
+#
+# Amlogic drivers as modules
+#
+
+# core
+CONFIG_MESON_SM=m
+CONFIG_RESET_MESON=m
+CONFIG_MESON_IRQ_GPIO=m
+
+# clocks
+CONFIG_COMMON_CLK_MESON_REGMAP=m
+CONFIG_COMMON_CLK_MESON_DUALDIV=m
+CONFIG_COMMON_CLK_MESON_MPLL=m
+CONFIG_COMMON_CLK_MESON_PHASE=m
+CONFIG_COMMON_CLK_MESON_PLL=m
+CONFIG_COMMON_CLK_MESON_SCLK_DIV=m
+CONFIG_COMMON_CLK_MESON_VID_PLL_DIV=m
+CONFIG_COMMON_CLK_MESON_AO_CLKC=m
+CONFIG_COMMON_CLK_MESON_EE_CLKC=m
+CONFIG_COMMON_CLK_MESON_CPU_DYNDIV=m
+CONFIG_COMMON_CLK_GXBB=m
+CONFIG_COMMON_CLK_AXG=m
+CONFIG_COMMON_CLK_G12A=m
+
+# PHY
+CONFIG_PHY_MESON8B_USB2=m
+CONFIG_PHY_MESON_GXL_USB2=m
+CONFIG_PHY_MESON_G12A_USB2=m
+CONFIG_PHY_MESON_G12A_USB3_PCIE=m
+CONFIG_PHY_MESON_AXG_PCIE=m
+CONFIG_PHY_MESON_AXG_MIPI_PCIE_ANALOG=m
+
+# peripherals
+CONFIG_I2C_MESON=m
+CONFIG_MMC_MESON_GX=m
+CONFIG_HW_RANDOM_MESON=m
+CONFIG_USB_DWC3_MESON_G12A=m
+CONFIG_MESON_SARADC=m
+CONFIG_SPI_MESON_SPICC=m
+CONFIG_SPI_MESON_SPIFC=m
+CONFIG_PCI_MESON=m
+CONFIG_DWMAC_MESON=m
+CONFIG_MDIO_BUS_MUX_MESON_G12A=m
+CONFIG_MESON_GXL_PHY=m
+CONFIG_PINCTRL_MESON=m
+CONFIG_PINCTRL_MESON_GXBB=m
+CONFIG_PINCTRL_MESON_GXL=m
+CONFIG_PINCTRL_MESON_AXG=m
+CONFIG_PINCTRL_MESON_AXG_PMX=m
+CONFIG_PINCTRL_MESON_G12A=m
+CONFIG_MESON_GXBB_WATCHDOG=m
+CONFIG_MESON_WATCHDOG=m
+CONFIG_MTD_NAND_MESON=m
+CONFIG_PWM_MESON=m
+CONFIG_IR_MESON=m
+CONFIG_MESON_EFUSE=m
+CONFIG_MFD_KHADAS_MCU=m
+CONFIG_KHADAS_MCU_FAN_THERMAL=m
+CONFIG_AMLOGIC_THERMAL=m
+
+# sound
+CONFIG_SND_MESON_AXG_SOUND_CARD=m
+CONFIG_SND_MESON_GX_SOUND_CARD=m
+CONFIG_SND_MESON_G12A_TOHDMITX=m
+
+# display / video
+CONFIG_DRM_MESON=m
+CONFIG_DRM_MESON_DW_HDMI=m
+CONFIG_DRM_DW_HDMI=m
+CONFIG_DRM_DW_HDMI_AHB_AUDIO=m
+CONFIG_DRM_DW_HDMI_I2S_AUDIO=m
+CONFIG_DRM_DW_HDMI_CEC=m
+CONFIG_CEC_MESON_AO=m
+CONFIG_CEC_MESON_G12A_AO=m
+CONFIG_VIDEO_MESON_GE2D=m
+
+# SoC drivers
+CONFIG_MESON_CANVAS=m
+CONFIG_MESON_CLK_MEASURE=m
+CONFIG_MESON_GX_PM_DOMAINS=m
+CONFIG_MESON_EE_PM_DOMAINS=m
+CONFIG_MESON_SECURE_PM_DOMAINS=m
+
+#
+# Amlogic drivers disable
+#
+
+# 32-bit SoC drivers
+CONFIG_MESON6_TIMER=n
+CONFIG_MESON_MX_SOCINFO=n
+
+# only needed by DRM on S805X
+CONFIG_MESON_GX_SOCINFO=n
+
+#
+# Debug / Testing
+#
+
+# devtmpfs needed for buildroot/udev module loading, serial console
+#CONFIG_DEVTMPFS=y
+#CONFIG_DEVTMPFS_MOUNT=y
+
+# debug/testing with FB console
+#CONFIG_DRM_KMS_FB_HELPER=y
+#CONFIG_DRM_FBDEV_EMULATION=y
+#CONFIG_FB=y
+#CONFIG_VT=y
+#CONFIG_FRAMEBUFFER_CONSOLE=y
+#CONFIG_LOGO=y
diff --git a/arch/arm64/configs/db845c_gki.fragment b/arch/arm64/configs/db845c_gki.fragment
new file mode 100644
index 0000000..e7c8f04
--- /dev/null
+++ b/arch/arm64/configs/db845c_gki.fragment
@@ -0,0 +1,278 @@
+CONFIG_CFG80211=m
+CONFIG_NL80211_TESTMODE=y
+# CONFIG_CFG80211_DEFAULT_PS is not set
+# CONFIG_CFG80211_CRDA_SUPPORT is not set
+CONFIG_MAC80211=m
+CONFIG_QRTR=m
+CONFIG_QRTR_TUN=m
+CONFIG_SCSI_UFS_QCOM=m
+CONFIG_USB_NET_AX8817X=m
+CONFIG_USB_NET_AX88179_178A=m
+CONFIG_INPUT_PM8941_PWRKEY=m
+CONFIG_SERIAL_MSM=m
+CONFIG_SERIAL_QCOM_GENI=m
+CONFIG_SERIAL_QCOM_GENI_CONSOLE=y
+CONFIG_I2C_QCOM_GENI=m
+CONFIG_I2C_QUP=m
+CONFIG_PINCTRL_QCOM_SPMI_PMIC=m
+CONFIG_PINCTRL_SDM845=m
+CONFIG_POWER_RESET_QCOM_PON=m
+CONFIG_SYSCON_REBOOT_MODE=m
+CONFIG_QCOM_TSENS=m
+CONFIG_QCOM_WDT=m
+CONFIG_PM8916_WATCHDOG=m
+CONFIG_MFD_SPMI_PMIC=m
+CONFIG_SPMI_MSM_PMIC_ARB=m
+CONFIG_REGULATOR_QCOM_RPMH=m
+CONFIG_REGULATOR_QCOM_SPMI=m
+CONFIG_DRM_MSM=m
+# CONFIG_DRM_MSM_DSI_28NM_PHY is not set
+# CONFIG_DRM_MSM_DSI_20NM_PHY is not set
+# CONFIG_DRM_MSM_DSI_28NM_8960_PHY is not set
+CONFIG_DRM_LONTIUM_LT9611=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_PLATFORM=m
+# CONFIG_USB_DWC3_HAPS is not set
+# CONFIG_USB_DWC3_OF_SIMPLE is not set
+CONFIG_USB_GADGET_VBUS_DRAW=500
+# CONFIG_USB_DUMMY_HCD is not set
+CONFIG_USB_ROLE_SWITCH=m
+CONFIG_USB_ULPI_BUS=m
+CONFIG_MMC_SDHCI_MSM=m
+CONFIG_RTC_DRV_PM8XXX=m
+CONFIG_COMMON_CLK_QCOM=m
+CONFIG_SDM_GPUCC_845=m
+CONFIG_QCOM_CLK_RPMH=m
+CONFIG_SDM_DISPCC_845=m
+CONFIG_HWSPINLOCK_QCOM=m
+CONFIG_QCOM_GENI_SE=m
+CONFIG_QCOM_LLCC=m
+CONFIG_QCOM_RMTFS_MEM=m
+CONFIG_QCOM_SMEM=m
+CONFIG_QCOM_SMSM=m
+CONFIG_EXTCON_USB_GPIO=m
+CONFIG_RESET_QCOM_AOSS=m
+CONFIG_RESET_QCOM_PDC=m
+CONFIG_PHY_QCOM_QMP=m
+CONFIG_PHY_QCOM_QUSB2=m
+CONFIG_PHY_QCOM_USB_HS=m
+CONFIG_QCOM_QFPROM=m
+CONFIG_INTERCONNECT_QCOM=y
+CONFIG_INTERCONNECT_QCOM_OSM_L3=m
+CONFIG_INTERCONNECT_QCOM_SDM845=m
+CONFIG_QCOM_RPMH=m
+CONFIG_QCOM_RPMHPD=m
+CONFIG_WLAN_VENDOR_ATH=y
+CONFIG_ATH10K_AHB=y
+CONFIG_ATH10K=m
+CONFIG_ATH10K_PCI=m
+CONFIG_ATH10K_SNOC=m
+CONFIG_QRTR_SMD=m
+CONFIG_QCOM_FASTRPC=m
+CONFIG_QCOM_APCS_IPC=m
+CONFIG_QCOM_Q6V5_COMMON=m
+CONFIG_QCOM_RPROC_COMMON=m
+CONFIG_QCOM_Q6V5_ADSP=m
+CONFIG_QCOM_Q6V5_MSS=m
+CONFIG_QCOM_Q6V5_PAS=m
+CONFIG_QCOM_Q6V5_WCSS=m
+CONFIG_QCOM_SYSMON=m
+CONFIG_RPMSG_QCOM_GLINK_SMEM=m
+CONFIG_RPMSG_QCOM_SMD=m
+CONFIG_QCOM_AOSS_QMP=m
+CONFIG_QCOM_SMP2P=m
+CONFIG_QCOM_SOCINFO=m
+CONFIG_QCOM_APR=m
+CONFIG_QCOM_GLINK_SSR=m
+CONFIG_RPMSG_QCOM_GLINK_RPM=m
+CONFIG_QCOM_PDC=m
+CONFIG_QCOM_SCM=m
+CONFIG_ARM_SMMU=m
+CONFIG_ARM_QCOM_CPUFREQ_HW=m
+# XXX Audio bits start here
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_MUX=m
+CONFIG_I2C_MUX_PCA954x=m
+CONFIG_I2C_DESIGNWARE_PLATFORM=m
+CONFIG_I2C_RK3X=m
+CONFIG_SPI_PL022=m
+CONFIG_SPI_QCOM_QSPI=m
+CONFIG_SPI_QUP=m
+CONFIG_SPI_QCOM_GENI=m
+CONFIG_GPIO_WCD934X=m
+CONFIG_MFD_WCD934X=m
+CONFIG_REGULATOR_GPIO=m
+CONFIG_SND_SOC_QCOM=m
+CONFIG_SND_SOC_QCOM_COMMON=m
+CONFIG_SND_SOC_QDSP6_COMMON=m
+CONFIG_SND_SOC_QDSP6_CORE=m
+CONFIG_SND_SOC_QDSP6_AFE=m
+CONFIG_SND_SOC_QDSP6_AFE_DAI=m
+CONFIG_SND_SOC_QDSP6_ADM=m
+CONFIG_SND_SOC_QDSP6_ROUTING=m
+CONFIG_SND_SOC_QDSP6_ASM=m
+CONFIG_SND_SOC_QDSP6_ASM_DAI=m
+CONFIG_SND_SOC_QDSP6=m
+CONFIG_SND_SOC_SDM845=m
+CONFIG_SND_SOC_DMIC=m
+CONFIG_SND_SOC_WCD9335=m
+CONFIG_SND_SOC_WCD934X=m
+CONFIG_SND_SOC_WSA881X=m
+CONFIG_QCOM_BAM_DMA=m
+CONFIG_SPMI_PMIC_CLKDIV=m
+CONFIG_SOUNDWIRE=m
+CONFIG_SOUNDWIRE_QCOM=m
+CONFIG_SLIMBUS=m
+CONFIG_SLIM_QCOM_NGD_CTRL=m
+CONFIG_DMABUF_HEAPS_SYSTEM=m
+# CONFIG_CXD2880_SPI_DRV is not set
+# CONFIG_MEDIA_TUNER_SIMPLE is not set
+# CONFIG_MEDIA_TUNER_TDA18250 is not set
+# CONFIG_MEDIA_TUNER_TDA8290 is not set
+# CONFIG_MEDIA_TUNER_TDA827X is not set
+# CONFIG_MEDIA_TUNER_TDA18271 is not set
+# CONFIG_MEDIA_TUNER_TDA9887 is not set
+# CONFIG_MEDIA_TUNER_TEA5761 is not set
+# CONFIG_MEDIA_TUNER_TEA5767 is not set
+# CONFIG_MEDIA_TUNER_MSI001 is not set
+# CONFIG_MEDIA_TUNER_MT20XX is not set
+# CONFIG_MEDIA_TUNER_MT2060 is not set
+# CONFIG_MEDIA_TUNER_MT2063 is not set
+# CONFIG_MEDIA_TUNER_MT2266 is not set
+# CONFIG_MEDIA_TUNER_MT2131 is not set
+# CONFIG_MEDIA_TUNER_QT1010 is not set
+# CONFIG_MEDIA_TUNER_XC2028 is not set
+# CONFIG_MEDIA_TUNER_XC5000 is not set
+# CONFIG_MEDIA_TUNER_XC4000 is not set
+# CONFIG_MEDIA_TUNER_MXL5005S is not set
+# CONFIG_MEDIA_TUNER_MXL5007T is not set
+# CONFIG_MEDIA_TUNER_MC44S803 is not set
+# CONFIG_MEDIA_TUNER_MAX2165 is not set
+# CONFIG_MEDIA_TUNER_TDA18218 is not set
+# CONFIG_MEDIA_TUNER_FC0011 is not set
+# CONFIG_MEDIA_TUNER_FC0012 is not set
+# CONFIG_MEDIA_TUNER_FC0013 is not set
+# CONFIG_MEDIA_TUNER_TDA18212 is not set
+# CONFIG_MEDIA_TUNER_E4000 is not set
+# CONFIG_MEDIA_TUNER_FC2580 is not set
+# CONFIG_MEDIA_TUNER_M88RS6000T is not set
+# CONFIG_MEDIA_TUNER_TUA9001 is not set
+# CONFIG_MEDIA_TUNER_SI2157 is not set
+# CONFIG_MEDIA_TUNER_IT913X is not set
+# CONFIG_MEDIA_TUNER_R820T is not set
+# CONFIG_MEDIA_TUNER_MXL301RF is not set
+# CONFIG_MEDIA_TUNER_QM1D1C0042 is not set
+# CONFIG_MEDIA_TUNER_QM1D1B0004 is not set
+# CONFIG_DVB_STB0899 is not set
+# CONFIG_DVB_STB6100 is not set
+# CONFIG_DVB_STV090x is not set
+# CONFIG_DVB_STV0910 is not set
+# CONFIG_DVB_STV6110x is not set
+# CONFIG_DVB_STV6111 is not set
+# CONFIG_DVB_MXL5XX is not set
+# CONFIG_DVB_M88DS3103 is not set
+# CONFIG_DVB_DRXK is not set
+# CONFIG_DVB_TDA18271C2DD is not set
+# CONFIG_DVB_SI2165 is not set
+# CONFIG_DVB_MN88472 is not set
+# CONFIG_DVB_MN88473 is not set
+# CONFIG_DVB_CX24110 is not set
+# CONFIG_DVB_CX24123 is not set
+# CONFIG_DVB_MT312 is not set
+# CONFIG_DVB_ZL10036 is not set
+# CONFIG_DVB_ZL10039 is not set
+# CONFIG_DVB_S5H1420 is not set
+# CONFIG_DVB_STV0288 is not set
+# CONFIG_DVB_STB6000 is not set
+# CONFIG_DVB_STV0299 is not set
+# CONFIG_DVB_STV6110 is not set
+# CONFIG_DVB_STV0900 is not set
+# CONFIG_DVB_TDA8083 is not set
+# CONFIG_DVB_TDA10086 is not set
+# CONFIG_DVB_TDA8261 is not set
+# CONFIG_DVB_VES1X93 is not set
+# CONFIG_DVB_TUNER_ITD1000 is not set
+# CONFIG_DVB_TUNER_CX24113 is not set
+# CONFIG_DVB_TDA826X is not set
+# CONFIG_DVB_TUA6100 is not set
+# CONFIG_DVB_CX24116 is not set
+# CONFIG_DVB_CX24117 is not set
+# CONFIG_DVB_CX24120 is not set
+# CONFIG_DVB_SI21XX is not set
+# CONFIG_DVB_TS2020 is not set
+# CONFIG_DVB_DS3000 is not set
+# CONFIG_DVB_MB86A16 is not set
+# CONFIG_DVB_TDA10071 is not set
+# CONFIG_DVB_SP8870 is not set
+# CONFIG_DVB_SP887X is not set
+# CONFIG_DVB_CX22700 is not set
+# CONFIG_DVB_CX22702 is not set
+# CONFIG_DVB_S5H1432 is not set
+# CONFIG_DVB_DRXD is not set
+# CONFIG_DVB_L64781 is not set
+# CONFIG_DVB_TDA1004X is not set
+# CONFIG_DVB_NXT6000 is not set
+# CONFIG_DVB_MT352 is not set
+# CONFIG_DVB_ZL10353 is not set
+# CONFIG_DVB_DIB3000MB is not set
+# CONFIG_DVB_DIB3000MC is not set
+# CONFIG_DVB_DIB7000M is not set
+# CONFIG_DVB_DIB7000P is not set
+# CONFIG_DVB_DIB9000 is not set
+# CONFIG_DVB_TDA10048 is not set
+# CONFIG_DVB_AF9013 is not set
+# CONFIG_DVB_EC100 is not set
+# CONFIG_DVB_STV0367 is not set
+# CONFIG_DVB_CXD2820R is not set
+# CONFIG_DVB_CXD2841ER is not set
+# CONFIG_DVB_RTL2830 is not set
+# CONFIG_DVB_RTL2832 is not set
+# CONFIG_DVB_RTL2832_SDR is not set
+# CONFIG_DVB_SI2168 is not set
+# CONFIG_DVB_ZD1301_DEMOD is not set
+# CONFIG_DVB_CXD2880 is not set
+# CONFIG_DVB_VES1820 is not set
+# CONFIG_DVB_TDA10021 is not set
+# CONFIG_DVB_TDA10023 is not set
+# CONFIG_DVB_STV0297 is not set
+# CONFIG_DVB_NXT200X is not set
+# CONFIG_DVB_OR51211 is not set
+# CONFIG_DVB_OR51132 is not set
+# CONFIG_DVB_BCM3510 is not set
+# CONFIG_DVB_LGDT330X is not set
+# CONFIG_DVB_LGDT3305 is not set
+# CONFIG_DVB_LGDT3306A is not set
+# CONFIG_DVB_LG2160 is not set
+# CONFIG_DVB_S5H1409 is not set
+# CONFIG_DVB_AU8522_DTV is not set
+# CONFIG_DVB_AU8522_V4L is not set
+# CONFIG_DVB_S5H1411 is not set
+# CONFIG_DVB_S921 is not set
+# CONFIG_DVB_DIB8000 is not set
+# CONFIG_DVB_MB86A20S is not set
+# CONFIG_DVB_TC90522 is not set
+# CONFIG_DVB_MN88443X is not set
+# CONFIG_DVB_PLL is not set
+# CONFIG_DVB_TUNER_DIB0070 is not set
+# CONFIG_DVB_TUNER_DIB0090 is not set
+# CONFIG_DVB_DRX39XYJ is not set
+# CONFIG_DVB_LNBH25 is not set
+# CONFIG_DVB_LNBH29 is not set
+# CONFIG_DVB_LNBP21 is not set
+# CONFIG_DVB_LNBP22 is not set
+# CONFIG_DVB_ISL6405 is not set
+# CONFIG_DVB_ISL6421 is not set
+# CONFIG_DVB_ISL6423 is not set
+# CONFIG_DVB_A8293 is not set
+# CONFIG_DVB_LGS8GL5 is not set
+# CONFIG_DVB_LGS8GXX is not set
+# CONFIG_DVB_ATBM8830 is not set
+# CONFIG_DVB_TDA665x is not set
+# CONFIG_DVB_IX2505V is not set
+# CONFIG_DVB_M88RS2000 is not set
+# CONFIG_DVB_AF9033 is not set
+# CONFIG_DVB_HORUS3A is not set
+# CONFIG_DVB_ASCOT2E is not set
+# CONFIG_DVB_HELENE is not set
+# CONFIG_DVB_CXD2099 is not set
+# CONFIG_DVB_SP2 is not set
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 5cfe3cf..5fcd09e 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -93,8 +93,10 @@
CONFIG_ARM_QCOM_CPUFREQ_NVMEM=y
CONFIG_ARM_QCOM_CPUFREQ_HW=y
CONFIG_ARM_RASPBERRYPI_CPUFREQ=m
+CONFIG_ARM_SCMI_CPUFREQ=y
CONFIG_ARM_TEGRA186_CPUFREQ=y
CONFIG_QORIQ_CPUFREQ=y
+CONFIG_ARM_SCMI_PROTOCOL=y
CONFIG_ARM_SCPI_PROTOCOL=y
CONFIG_RASPBERRYPI_FIRMWARE=y
CONFIG_INTEL_STRATIX10_SERVICE=y
@@ -522,6 +524,7 @@
CONFIG_SYSCON_REBOOT_MODE=y
CONFIG_BATTERY_SBS=m
CONFIG_BATTERY_BQ27XXX=y
+CONFIG_SENSORS_ARM_SCMI=y
CONFIG_SENSORS_ARM_SCPI=y
CONFIG_SENSORS_LM90=m
CONFIG_SENSORS_PWM_FAN=m
@@ -865,6 +868,7 @@
CONFIG_CROS_EC_I2C=y
CONFIG_CROS_EC_SPI=y
CONFIG_CROS_EC_CHARDEV=m
+CONFIG_COMMON_CLK_SCMI=y
CONFIG_COMMON_CLK_RK808=y
CONFIG_COMMON_CLK_SCPI=y
CONFIG_COMMON_CLK_CS2000_CP=y
diff --git a/arch/arm64/configs/fips140_gki.fragment b/arch/arm64/configs/fips140_gki.fragment
new file mode 100644
index 0000000..6829252
--- /dev/null
+++ b/arch/arm64/configs/fips140_gki.fragment
@@ -0,0 +1 @@
+CONFIG_CRYPTO_FIPS140_MOD=y
diff --git a/arch/arm64/configs/fips140_gki_eval_testing.fragment b/arch/arm64/configs/fips140_gki_eval_testing.fragment
new file mode 100644
index 0000000..d8b1602
--- /dev/null
+++ b/arch/arm64/configs/fips140_gki_eval_testing.fragment
@@ -0,0 +1 @@
+CONFIG_CRYPTO_FIPS140_MOD_EVAL_TESTING=y
diff --git a/arch/arm64/configs/gki_defconfig b/arch/arm64/configs/gki_defconfig
new file mode 100644
index 0000000..27133a4
--- /dev/null
+++ b/arch/arm64/configs/gki_defconfig
@@ -0,0 +1,693 @@
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_IRQ_TIME_ACCOUNTING=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_PSI=y
+CONFIG_RCU_EXPERT=y
+CONFIG_RCU_FAST_NO_HZ=y
+CONFIG_RCU_NOCB_CPU=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_IKHEADERS=y
+CONFIG_UCLAMP_TASK=y
+CONFIG_UCLAMP_BUCKETS_COUNT=20
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_UCLAMP_TASK_GROUP=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_BPF=y
+CONFIG_NAMESPACES=y
+# CONFIG_PID_NS is not set
+CONFIG_RT_SOFTINT_OPTIMIZATION=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+CONFIG_BOOT_CONFIG=y
+# CONFIG_SYSFS_SYSCALL is not set
+# CONFIG_FHANDLE is not set
+CONFIG_KALLSYMS_ALL=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_USERFAULTFD=y
+# CONFIG_RSEQ is not set
+CONFIG_EMBEDDED=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_SLAB_MERGE_DEFAULT is not set
+CONFIG_SLAB_FREELIST_RANDOM=y
+CONFIG_SLAB_FREELIST_HARDENED=y
+CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
+CONFIG_PROFILING=y
+# CONFIG_ZONE_DMA is not set
+CONFIG_ARCH_SUNXI=y
+CONFIG_ARCH_HISI=y
+CONFIG_ARCH_QCOM=y
+CONFIG_ARCH_SPRD=y
+CONFIG_SCHED_MC=y
+CONFIG_NR_CPUS=32
+CONFIG_PARAVIRT=y
+CONFIG_ARM64_SW_TTBR0_PAN=y
+CONFIG_COMPAT=y
+CONFIG_ARMV8_DEPRECATED=y
+CONFIG_SWP_EMULATION=y
+CONFIG_CP15_BARRIER_EMULATION=y
+CONFIG_SETEND_EMULATION=y
+CONFIG_RANDOMIZE_BASE=y
+# CONFIG_RANDOMIZE_MODULE_REGION_FULL is not set
+CONFIG_CMDLINE="stack_depot_disable=on kasan.stacktrace=off kvm-arm.mode=protected cgroup_disable=pressure cgroup.memory=nokmem"
+CONFIG_CMDLINE_EXTEND=y
+# CONFIG_DMI is not set
+CONFIG_PM_WAKELOCKS=y
+CONFIG_PM_WAKELOCKS_LIMIT=0
+# CONFIG_PM_WAKELOCKS_GC is not set
+CONFIG_ENERGY_MODEL=y
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+CONFIG_CPU_IDLE_GOV_TEO=y
+CONFIG_ARM_CPUIDLE=y
+CONFIG_ARM_PSCI_CPUIDLE=y
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_FREQ_TIMES=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_ARM_SCPI_CPUFREQ=y
+CONFIG_ARM_SCMI_CPUFREQ=y
+CONFIG_ARM_SCMI_PROTOCOL=y
+# CONFIG_ARM_SCMI_POWER_DOMAIN is not set
+CONFIG_ARM_SCPI_PROTOCOL=y
+# CONFIG_ARM_SCPI_POWER_DOMAIN is not set
+# CONFIG_EFI_ARMSTUB_DTB_LOADER is not set
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=y
+CONFIG_CRYPTO_SHA2_ARM64_CE=y
+CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
+CONFIG_KPROBES=y
+CONFIG_JUMP_LABEL=y
+CONFIG_SHADOW_CALL_STACK=y
+CONFIG_LTO_CLANG_FULL=y
+CONFIG_CFI_CLANG=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SCMVERSION=y
+CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_INLINE_ENCRYPTION=y
+CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
+CONFIG_IOSCHED_BFQ=y
+CONFIG_BFQ_GROUP_IOSCHED=y
+CONFIG_GKI_HACKS_TO_FIX=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_BINFMT_MISC=y
+CONFIG_MEMORY_HOTPLUG=y
+CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
+CONFIG_CLEANCACHE=y
+CONFIG_CMA=y
+CONFIG_CMA_DEBUGFS=y
+CONFIG_CMA_SYSFS=y
+CONFIG_CMA_AREAS=16
+CONFIG_READ_ONLY_THP_FOR_FS=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+CONFIG_XFRM_INTERFACE=y
+CONFIG_XFRM_MIGRATE=y
+CONFIG_XFRM_STATISTICS=y
+CONFIG_NET_KEY=y
+CONFIG_XDP_SOCKETS=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_NET_IPIP=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
+CONFIG_NET_IPVTI=y
+CONFIG_INET_ESP=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INET_DIAG_DESTROY=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_OPTIMISTIC_DAD=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+CONFIG_IPV6_MIP6=y
+CONFIG_IPV6_VTI=y
+CONFIG_IPV6_GRE=y
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CONNTRACK_AMANDA=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_H323=y
+CONFIG_NF_CONNTRACK_IRC=y
+CONFIG_NF_CONNTRACK_NETBIOS_NS=y
+CONFIG_NF_CONNTRACK_PPTP=y
+CONFIG_NF_CONNTRACK_SANE=y
+CONFIG_NF_CONNTRACK_TFTP=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_DSCP=y
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_TARGET_NFLOG=y
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
+CONFIG_NETFILTER_XT_TARGET_NOTRACK=y
+CONFIG_NETFILTER_XT_TARGET_TEE=y
+CONFIG_NETFILTER_XT_TARGET_TPROXY=y
+CONFIG_NETFILTER_XT_TARGET_TRACE=y
+CONFIG_NETFILTER_XT_TARGET_SECMARK=y
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_MATCH_COMMENT=y
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_DSCP=y
+CONFIG_NETFILTER_XT_MATCH_ESP=y
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_HELPER=y
+CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
+CONFIG_NETFILTER_XT_MATCH_LENGTH=y
+CONFIG_NETFILTER_XT_MATCH_LIMIT=y
+CONFIG_NETFILTER_XT_MATCH_MAC=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+CONFIG_NETFILTER_XT_MATCH_OWNER=y
+CONFIG_NETFILTER_XT_MATCH_POLICY=y
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG=y
+CONFIG_NETFILTER_XT_MATCH_SOCKET=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
+CONFIG_NETFILTER_XT_MATCH_STRING=y
+CONFIG_NETFILTER_XT_MATCH_TIME=y
+CONFIG_NETFILTER_XT_MATCH_U32=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_MATCH_ECN=y
+CONFIG_IP_NF_MATCH_TTL=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_TARGET_NETMAP=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
+CONFIG_IP_NF_MANGLE=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_SECURITY=y
+CONFIG_IP_NF_ARPTABLES=y
+CONFIG_IP_NF_ARPFILTER=y
+CONFIG_IP_NF_ARP_MANGLE=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_MATCH_RPFILTER=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_MANGLE=y
+CONFIG_IP6_NF_RAW=y
+CONFIG_TIPC=y
+CONFIG_L2TP=y
+CONFIG_BRIDGE=y
+CONFIG_6LOWPAN=y
+CONFIG_IEEE802154=y
+CONFIG_IEEE802154_6LOWPAN=y
+CONFIG_MAC802154=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_HTB=y
+CONFIG_NET_SCH_PRIO=y
+CONFIG_NET_SCH_MULTIQ=y
+CONFIG_NET_SCH_SFQ=y
+CONFIG_NET_SCH_TBF=y
+CONFIG_NET_SCH_NETEM=y
+CONFIG_NET_SCH_CODEL=y
+CONFIG_NET_SCH_FQ_CODEL=y
+CONFIG_NET_SCH_FQ=y
+CONFIG_NET_SCH_INGRESS=y
+CONFIG_NET_CLS_BASIC=y
+CONFIG_NET_CLS_TCINDEX=y
+CONFIG_NET_CLS_FW=y
+CONFIG_NET_CLS_U32=y
+CONFIG_CLS_U32_MARK=y
+CONFIG_NET_CLS_FLOW=y
+CONFIG_NET_CLS_BPF=y
+CONFIG_NET_CLS_MATCHALL=y
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_CMP=y
+CONFIG_NET_EMATCH_NBYTE=y
+CONFIG_NET_EMATCH_U32=y
+CONFIG_NET_EMATCH_META=y
+CONFIG_NET_EMATCH_TEXT=y
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_POLICE=y
+CONFIG_NET_ACT_GACT=y
+CONFIG_NET_ACT_MIRRED=y
+CONFIG_NET_ACT_SKBEDIT=y
+CONFIG_VSOCKETS=y
+CONFIG_CGROUP_NET_PRIO=y
+CONFIG_BPF_JIT=y
+CONFIG_CAN=y
+CONFIG_BT=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_HIDP=y
+CONFIG_BT_HCIBTSDIO=y
+CONFIG_BT_HCIUART=y
+CONFIG_BT_HCIUART_LL=y
+CONFIG_BT_HCIUART_BCM=y
+CONFIG_BT_HCIUART_QCA=y
+CONFIG_RFKILL=y
+CONFIG_NFC=y
+CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_PCIEAER=y
+CONFIG_PCI_IOV=y
+CONFIG_PCI_HOST_GENERIC=y
+CONFIG_PCIE_DW_PLAT_EP=y
+CONFIG_PCIE_QCOM=y
+CONFIG_PCIE_KIRIN=y
+CONFIG_PCI_ENDPOINT=y
+CONFIG_FW_LOADER_USER_HELPER=y
+# CONFIG_FW_CACHE is not set
+# CONFIG_SUN50I_DE2_BUS is not set
+# CONFIG_SUNXI_RSB is not set
+CONFIG_GNSS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_SRAM=y
+CONFIG_UID_SYS_STATS=y
+CONFIG_SCSI=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_UFSHCD=y
+CONFIG_SCSI_UFSHCD_PCI=y
+CONFIG_SCSI_UFSHCD_PLATFORM=y
+CONFIG_SCSI_UFS_DWC_TC_PLATFORM=y
+CONFIG_SCSI_UFS_HISI=y
+CONFIG_SCSI_UFS_BSG=y
+CONFIG_SCSI_UFS_CRYPTO=y
+CONFIG_SCSI_UFS_HPB=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=y
+CONFIG_DM_DEFAULT_KEY=y
+CONFIG_DM_SNAPSHOT=y
+CONFIG_DM_UEVENT=y
+CONFIG_DM_VERITY=y
+CONFIG_DM_VERITY_FEC=y
+CONFIG_DM_BOW=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_WIREGUARD=y
+CONFIG_IFB=y
+CONFIG_TUN=y
+CONFIG_VETH=y
+CONFIG_PPP=y
+CONFIG_PPP_BSDCOMP=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_MPPE=y
+CONFIG_PPTP=y
+CONFIG_PPPOL2TP=y
+CONFIG_USB_RTL8150=y
+CONFIG_USB_RTL8152=y
+CONFIG_USB_USBNET=y
+# CONFIG_USB_NET_AX8817X is not set
+# CONFIG_USB_NET_AX88179_178A is not set
+CONFIG_USB_NET_CDC_EEM=y
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+CONFIG_USB_NET_AQC111=y
+# CONFIG_WLAN_VENDOR_ADMTEK is not set
+# CONFIG_WLAN_VENDOR_ATH is not set
+# CONFIG_WLAN_VENDOR_ATMEL is not set
+# CONFIG_WLAN_VENDOR_BROADCOM is not set
+# CONFIG_WLAN_VENDOR_CISCO is not set
+# CONFIG_WLAN_VENDOR_INTEL is not set
+# CONFIG_WLAN_VENDOR_INTERSIL is not set
+# CONFIG_WLAN_VENDOR_MARVELL is not set
+# CONFIG_WLAN_VENDOR_MEDIATEK is not set
+# CONFIG_WLAN_VENDOR_RALINK is not set
+# CONFIG_WLAN_VENDOR_REALTEK is not set
+# CONFIG_WLAN_VENDOR_RSI is not set
+# CONFIG_WLAN_VENDOR_ST is not set
+# CONFIG_WLAN_VENDOR_TI is not set
+# CONFIG_WLAN_VENDOR_ZYDAS is not set
+# CONFIG_WLAN_VENDOR_QUANTENNA is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_MOUSE_PS2 is not set
+CONFIG_INPUT_JOYSTICK=y
+CONFIG_JOYSTICK_XPAD=y
+CONFIG_JOYSTICK_XPAD_FF=y
+CONFIG_JOYSTICK_XPAD_LEDS=y
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=y
+# CONFIG_VT is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_SERIAL_8250_EXAR is not set
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_MSM_GENI_EARLY_CONSOLE=y
+CONFIG_SERIAL_SPRD=y
+CONFIG_SERIAL_SPRD_CONSOLE=y
+CONFIG_HVC_DCC=y
+CONFIG_HVC_DCC_SERIALIZE_SMP=y
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_CAVIUM is not set
+# CONFIG_DEVMEM is not set
+# CONFIG_DEVPORT is not set
+# CONFIG_I2C_COMPAT is not set
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I3C=y
+CONFIG_SPI=y
+CONFIG_SPI_MEM=y
+CONFIG_SPMI=y
+# CONFIG_SPMI_MSM_PMIC_ARB is not set
+# CONFIG_PINCTRL_SUN8I_H3_R is not set
+# CONFIG_PINCTRL_SUN50I_A64 is not set
+# CONFIG_PINCTRL_SUN50I_A64_R is not set
+# CONFIG_PINCTRL_SUN50I_H5 is not set
+# CONFIG_PINCTRL_SUN50I_H6 is not set
+# CONFIG_PINCTRL_SUN50I_H6_R is not set
+CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_POWER_RESET_HISI=y
+# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+CONFIG_THERMAL_NETLINK=y
+CONFIG_THERMAL_STATISTICS=y
+CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=100
+CONFIG_THERMAL_WRITABLE_TRIPS=y
+CONFIG_THERMAL_GOV_USER_SPACE=y
+CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y
+CONFIG_CPU_THERMAL=y
+CONFIG_DEVFREQ_THERMAL=y
+CONFIG_THERMAL_EMULATION=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_MFD_ACT8945A=y
+CONFIG_MFD_SYSCON=y
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_RC_CORE=y
+# CONFIG_RC_MAP is not set
+CONFIG_LIRC=y
+CONFIG_BPF_LIRC_MODE2=y
+CONFIG_RC_DECODERS=y
+CONFIG_RC_DEVICES=y
+CONFIG_MEDIA_CEC_RC=y
+# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
+# CONFIG_MEDIA_DIGITAL_TV_SUPPORT is not set
+# CONFIG_MEDIA_RADIO_SUPPORT is not set
+# CONFIG_MEDIA_SDR_SUPPORT is not set
+# CONFIG_MEDIA_TEST_SUPPORT is not set
+CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_MEDIA_USB_SUPPORT=y
+CONFIG_USB_VIDEO_CLASS=y
+CONFIG_USB_GSPCA=y
+CONFIG_V4L_PLATFORM_DRIVERS=y
+CONFIG_V4L_MEM2MEM_DRIVERS=y
+# CONFIG_VGA_ARB is not set
+CONFIG_DRM=y
+# CONFIG_DRM_FBDEV_EMULATION is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_HRTIMER=y
+CONFIG_SND_DYNAMIC_MINORS=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_DRIVERS is not set
+CONFIG_SND_USB_AUDIO=y
+CONFIG_SND_SOC=y
+CONFIG_HID_BATTERY_STRENGTH=y
+CONFIG_HIDRAW=y
+CONFIG_UHID=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BETOP_FF=y
+CONFIG_HID_PRODIKEYS=y
+CONFIG_HID_ELECOM=y
+CONFIG_HID_UCLOGIC=y
+CONFIG_HID_LOGITECH=y
+CONFIG_HID_LOGITECH_DJ=y
+CONFIG_HID_MAGICMOUSE=y
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MULTITOUCH=y
+CONFIG_HID_NINTENDO=y
+CONFIG_HID_PICOLCD=y
+CONFIG_HID_PLANTRONICS=y
+CONFIG_HID_PLAYSTATION=y
+CONFIG_PLAYSTATION_FF=y
+CONFIG_HID_ROCCAT=y
+CONFIG_HID_SONY=y
+CONFIG_SONY_FF=y
+CONFIG_HID_STEAM=y
+CONFIG_HID_WACOM=y
+CONFIG_HID_WIIMOTE=y
+CONFIG_USB_HIDDEV=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_OTG=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_ACM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_UAS=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_DUMMY_HCD=y
+CONFIG_USB_CONFIGFS=y
+CONFIG_USB_CONFIGFS_UEVENT=y
+CONFIG_USB_CONFIGFS_SERIAL=y
+CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
+CONFIG_USB_CONFIGFS_ECM=y
+CONFIG_USB_CONFIGFS_RNDIS=y
+CONFIG_USB_CONFIGFS_EEM=y
+CONFIG_USB_CONFIGFS_MASS_STORAGE=y
+CONFIG_USB_CONFIGFS_F_FS=y
+CONFIG_USB_CONFIGFS_F_ACC=y
+CONFIG_USB_CONFIGFS_F_AUDIO_SRC=y
+CONFIG_USB_CONFIGFS_F_UAC2=y
+CONFIG_USB_CONFIGFS_F_MIDI=y
+CONFIG_USB_CONFIGFS_F_HID=y
+CONFIG_USB_CONFIGFS_F_UVC=y
+CONFIG_TYPEC=y
+CONFIG_TYPEC_TCPM=y
+CONFIG_TYPEC_TCPCI=y
+CONFIG_TYPEC_UCSI=y
+CONFIG_MMC=y
+# CONFIG_PWRSEQ_EMMC is not set
+# CONFIG_PWRSEQ_SIMPLE is not set
+CONFIG_MMC_CRYPTO=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_LEDS_CLASS_FLASH=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_TRANSIENT=y
+CONFIG_EDAC=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PL030=y
+CONFIG_RTC_DRV_PL031=y
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_SYSFS_STATS=y
+CONFIG_DMABUF_HEAPS_DEFERRED_FREE=y
+CONFIG_DMABUF_HEAPS_PAGE_POOL=y
+CONFIG_UIO=y
+CONFIG_VHOST_VSOCK=y
+CONFIG_STAGING=y
+CONFIG_ASHMEM=y
+CONFIG_DEBUG_KINFO=y
+CONFIG_COMMON_CLK_SCPI=y
+# CONFIG_SPRD_COMMON_CLK is not set
+# CONFIG_CLK_SUNXI is not set
+# CONFIG_SUNXI_CCU is not set
+CONFIG_HWSPINLOCK=y
+CONFIG_SUN4I_TIMER=y
+# CONFIG_SUN50I_ERRATUM_UNKNOWN1 is not set
+CONFIG_MTK_TIMER=y
+CONFIG_MAILBOX=y
+CONFIG_IOMMU_LIMIT_IOVA_ALIGNMENT=y
+CONFIG_IOMMU_IO_PGTABLE_ARMV7S=y
+CONFIG_REMOTEPROC=y
+CONFIG_REMOTEPROC_CDEV=y
+CONFIG_RPMSG_CHAR=y
+CONFIG_DEVFREQ_GOV_PERFORMANCE=y
+CONFIG_DEVFREQ_GOV_POWERSAVE=y
+CONFIG_DEVFREQ_GOV_USERSPACE=y
+CONFIG_DEVFREQ_GOV_PASSIVE=y
+CONFIG_PM_DEVFREQ_EVENT=y
+CONFIG_IIO=y
+CONFIG_IIO_BUFFER=y
+CONFIG_IIO_TRIGGER=y
+CONFIG_PWM=y
+CONFIG_GENERIC_PHY=y
+CONFIG_POWERCAP=y
+CONFIG_DTPM=y
+CONFIG_ANDROID=y
+CONFIG_ANDROID_BINDER_IPC=y
+CONFIG_ANDROID_BINDERFS=y
+CONFIG_ANDROID_DEBUG_SYMBOLS=y
+CONFIG_ANDROID_VENDOR_HOOKS=y
+CONFIG_LIBNVDIMM=y
+# CONFIG_ND_BLK is not set
+CONFIG_INTERCONNECT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_F2FS_FS=y
+CONFIG_F2FS_FS_SECURITY=y
+CONFIG_F2FS_FS_COMPRESSION=y
+CONFIG_FS_ENCRYPTION=y
+CONFIG_FS_ENCRYPTION_INLINE_CRYPT=y
+CONFIG_FS_VERITY=y
+CONFIG_FS_VERITY_BUILTIN_SIGNATURES=y
+# CONFIG_DNOTIFY is not set
+CONFIG_QUOTA=y
+CONFIG_QFMT_V2=y
+CONFIG_FUSE_FS=y
+CONFIG_VIRTIO_FS=y
+CONFIG_OVERLAY_FS=y
+CONFIG_INCREMENTAL_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_EXFAT_FS=y
+CONFIG_TMPFS=y
+# CONFIG_EFIVAR_FS is not set
+CONFIG_PSTORE=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_PMSG=y
+CONFIG_PSTORE_RAM=y
+CONFIG_EROFS_FS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=y
+CONFIG_NLS_CODEPAGE_775=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_855=y
+CONFIG_NLS_CODEPAGE_857=y
+CONFIG_NLS_CODEPAGE_860=y
+CONFIG_NLS_CODEPAGE_861=y
+CONFIG_NLS_CODEPAGE_862=y
+CONFIG_NLS_CODEPAGE_863=y
+CONFIG_NLS_CODEPAGE_864=y
+CONFIG_NLS_CODEPAGE_865=y
+CONFIG_NLS_CODEPAGE_866=y
+CONFIG_NLS_CODEPAGE_869=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_CODEPAGE_950=y
+CONFIG_NLS_CODEPAGE_932=y
+CONFIG_NLS_CODEPAGE_949=y
+CONFIG_NLS_CODEPAGE_874=y
+CONFIG_NLS_ISO8859_8=y
+CONFIG_NLS_CODEPAGE_1250=y
+CONFIG_NLS_CODEPAGE_1251=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_3=y
+CONFIG_NLS_ISO8859_4=y
+CONFIG_NLS_ISO8859_5=y
+CONFIG_NLS_ISO8859_6=y
+CONFIG_NLS_ISO8859_7=y
+CONFIG_NLS_ISO8859_9=y
+CONFIG_NLS_ISO8859_13=y
+CONFIG_NLS_ISO8859_14=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_KOI8_R=y
+CONFIG_NLS_KOI8_U=y
+CONFIG_NLS_MAC_ROMAN=y
+CONFIG_NLS_MAC_CELTIC=y
+CONFIG_NLS_MAC_CENTEURO=y
+CONFIG_NLS_MAC_CROATIAN=y
+CONFIG_NLS_MAC_CYRILLIC=y
+CONFIG_NLS_MAC_GAELIC=y
+CONFIG_NLS_MAC_GREEK=y
+CONFIG_NLS_MAC_ICELAND=y
+CONFIG_NLS_MAC_INUIT=y
+CONFIG_NLS_MAC_ROMANIAN=y
+CONFIG_NLS_MAC_TURKISH=y
+CONFIG_NLS_UTF8=y
+CONFIG_UNICODE=y
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_HARDENED_USERCOPY=y
+# CONFIG_HARDENED_USERCOPY_FALLBACK is not set
+CONFIG_STATIC_USERMODEHELPER=y
+CONFIG_STATIC_USERMODEHELPER_PATH=""
+CONFIG_SECURITY_SELINUX=y
+CONFIG_INIT_STACK_ALL_ZERO=y
+CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
+CONFIG_CRYPTO_CHACHA20POLY1305=y
+CONFIG_CRYPTO_ADIANTUM=y
+CONFIG_CRYPTO_XCBC=y
+CONFIG_CRYPTO_BLAKE2B=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_LZ4=y
+CONFIG_CRYPTO_ZSTD=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_CRC8=y
+CONFIG_XZ_DEC=y
+CONFIG_DMA_CMA=y
+CONFIG_STACK_HASH_ORDER=12
+CONFIG_PRINTK_TIME=y
+CONFIG_PRINTK_CALLER=y
+CONFIG_DYNAMIC_DEBUG_CORE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_HEADERS_INSTALL=y
+# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_UBSAN=y
+CONFIG_UBSAN_TRAP=y
+CONFIG_UBSAN_LOCAL_BOUNDS=y
+# CONFIG_UBSAN_SHIFT is not set
+# CONFIG_UBSAN_OBJECT_SIZE is not set
+# CONFIG_UBSAN_BOOL is not set
+# CONFIG_UBSAN_ENUM is not set
+CONFIG_PAGE_OWNER=y
+CONFIG_PAGE_PINNER=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_KASAN=y
+CONFIG_KASAN_HW_TAGS=y
+CONFIG_KFENCE=y
+CONFIG_KFENCE_SAMPLE_INTERVAL=500
+CONFIG_KFENCE_NUM_OBJECTS=63
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PANIC_TIMEOUT=-1
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_WQ_WATCHDOG=y
+CONFIG_SCHEDSTATS=y
+# CONFIG_DEBUG_PREEMPT is not set
+CONFIG_BUG_ON_DATA_CORRUPTION=y
+CONFIG_TRACE_MMIO_ACCESS=y
+CONFIG_TRACEFS_DISABLE_AUTOMOUNT=y
+CONFIG_HIST_TRIGGERS=y
+# CONFIG_RUNTIME_TESTING_MENU is not set
diff --git a/arch/arm64/configs/hikey960_gki.fragment b/arch/arm64/configs/hikey960_gki.fragment
new file mode 100644
index 0000000..fcc01e2
--- /dev/null
+++ b/arch/arm64/configs/hikey960_gki.fragment
@@ -0,0 +1,57 @@
+CONFIG_CPUFREQ_DT=m
+CONFIG_RFKILL_GPIO=m
+CONFIG_CONNECTOR=m
+CONFIG_BLK_DEV_NVME=m
+CONFIG_NVME_TARGET=m
+CONFIG_HISI_HIKEY_USB=m
+CONFIG_WLAN_VENDOR_TI=y
+CONFIG_WL18XX=m
+CONFIG_WLCORE_SDIO=m
+CONFIG_INPUT_HISI_POWERKEY=m
+CONFIG_SERIO_AMBAKMI=m
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_DESIGNWARE_PLATFORM=m
+CONFIG_SPI_PL022=m
+CONFIG_SPI_SPIDEV=m
+CONFIG_SYSCON_REBOOT_MODE=m
+CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR=y
+CONFIG_THERMAL_GOV_STEP_WISE=y
+CONFIG_HISI_THERMAL=m
+CONFIG_MFD_HI6421_PMIC=m
+CONFIG_MFD_HI655X_PMIC=m
+CONFIG_REGULATOR_HI6421V530=m
+CONFIG_REGULATOR_HI655X=m
+CONFIG_MALI_DEVFREQ=y
+CONFIG_DRM_I2C_ADV7511=m
+CONFIG_DRM_I2C_ADV7511_AUDIO=y
+CONFIG_DRM_HISI_KIRIN=m
+CONFIG_DRM_HISI_KIRIN960=y
+CONFIG_SND_I2S_HI3660_I2S=m
+CONFIG_SND_SIMPLE_CARD=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_PLATFORM=m
+CONFIG_USB_GADGETFS=m
+CONFIG_TYPEC_RT1711H=m
+CONFIG_MMC_BLOCK=m
+CONFIG_MMC_BLOCK_MINORS=64
+CONFIG_MMC_ARMMMCI=m
+CONFIG_MMC_SPI=m
+CONFIG_MMC_DW=m
+CONFIG_MMC_DW_EXYNOS=m
+CONFIG_MMC_DW_K3=m
+CONFIG_RTC_DRV_EFI=m
+CONFIG_K3_DMA=m
+CONFIG_HI3660_MBOX=m
+CONFIG_MALI_MIDGARD=m
+CONFIG_MALI_PLATFORM_NAME="hisilicon"
+CONFIG_MALI_EXPERT=y
+CONFIG_MALI_PWRSOFT_765=y
+CONFIG_PHY_HI3660_USB=m
+CONFIG_PINCTRL_SINGLE=m
+CONFIG_DMABUF_HEAPS_CMA=m
+CONFIG_DMABUF_HEAPS_SYSTEM=m
+CONFIG_CFG80211=m
+CONFIG_NL80211_TESTMODE=y
+# CONFIG_CFG80211_DEFAULT_PS is not set
+# CONFIG_CFG80211_CRDA_SUPPORT is not set
+CONFIG_MAC80211=m
diff --git a/arch/arm64/configs/rockchip_gki.fragment b/arch/arm64/configs/rockchip_gki.fragment
new file mode 100644
index 0000000..36645c4
--- /dev/null
+++ b/arch/arm64/configs/rockchip_gki.fragment
@@ -0,0 +1,237 @@
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_ARM_ROCKCHIP_BUS_DEVFREQ=m
+CONFIG_ARM_ROCKCHIP_CPUFREQ=m
+# CONFIG_ATA_SFF is not set
+CONFIG_BACKLIGHT_PWM=m
+CONFIG_BATTERY_CW2015=m
+CONFIG_BATTERY_RK817=m
+CONFIG_BATTERY_RK818=m
+CONFIG_BLK_DEV_NVME=m
+CONFIG_BMA2XX_ACC=m
+CONFIG_CHARGER_BQ25700=m
+CONFIG_CHARGER_RK817=m
+CONFIG_CHARGER_RK818=m
+CONFIG_CHR_DEV_SCH=m
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CLK_RK1808 is not set
+# CONFIG_CLK_RK3308 is not set
+CONFIG_COMMON_CLK_PWM=m
+CONFIG_COMMON_CLK_RK808=m
+CONFIG_COMMON_CLK_ROCKCHIP=m
+CONFIG_COMMON_CLK_SCMI=m
+CONFIG_COMPASS_AK8963=m
+CONFIG_COMPASS_AK8975=m
+CONFIG_COMPASS_DEVICE=m
+CONFIG_CPUFREQ_DT=m
+CONFIG_CPU_FREQ_GOV_ONDEMAND=m
+CONFIG_CPU_FREQ_GOV_USERSPACE=m
+CONFIG_CPU_PX30=y
+CONFIG_CPU_RK3328=y
+CONFIG_CPU_RK3368=y
+CONFIG_CPU_RK3399=y
+CONFIG_CPU_RK3568=y
+CONFIG_CRYPTO_AES_ARM64_CE_CCM=m
+CONFIG_CRYPTO_GHASH_ARM64_CE=m
+CONFIG_CRYPTO_SHA1_ARM64_CE=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_DEVFREQ_EVENT_ROCKCHIP_NOCP=m
+CONFIG_DMABUF_HEAPS_CMA=m
+CONFIG_DMABUF_HEAPS_SYSTEM=m
+CONFIG_DRAGONRISE_FF=y
+CONFIG_DRM_DW_HDMI_CEC=m
+CONFIG_DRM_DW_HDMI_I2S_AUDIO=m
+CONFIG_DRM_PANEL_SIMPLE=m
+CONFIG_DRM_ROCKCHIP=m
+CONFIG_DRM_SII902X=m
+CONFIG_DTC_SYMBOLS=y
+# CONFIG_DWMAC_GENERIC is not set
+CONFIG_DW_WATCHDOG=m
+CONFIG_GPIO_ROCKCHIP=m
+CONFIG_GREENASIA_FF=y
+CONFIG_GSENSOR_DEVICE=m
+CONFIG_GS_DA223=m
+CONFIG_GS_KXTJ9=m
+CONFIG_GS_LIS3DH=m
+CONFIG_GS_LSM303D=m
+CONFIG_GS_MC3230=m
+CONFIG_GS_MMA7660=m
+CONFIG_GS_MMA8452=m
+CONFIG_GS_MXC6655XA=m
+CONFIG_GS_SC7660=m
+CONFIG_GS_SC7A20=m
+CONFIG_GS_SC7A30=m
+CONFIG_GYROSCOPE_DEVICE=m
+CONFIG_GYRO_EWTSA=m
+CONFIG_GYRO_L3G20D=m
+CONFIG_GYRO_L3G4200D=m
+CONFIG_GYRO_LSM330=m
+CONFIG_GYRO_MPU6500=m
+CONFIG_GYRO_MPU6880=m
+CONFIG_HALL_DEVICE=m
+CONFIG_HID_A4TECH=m
+CONFIG_HID_ACRUX=m
+CONFIG_HID_ACRUX_FF=y
+CONFIG_HID_ALPS=m
+CONFIG_HID_APPLEIR=m
+CONFIG_HID_AUREAL=m
+CONFIG_HID_BELKIN=m
+CONFIG_HID_CHERRY=m
+CONFIG_HID_CHICONY=m
+CONFIG_HID_CYPRESS=m
+CONFIG_HID_DRAGONRISE=m
+CONFIG_HID_EMS_FF=m
+CONFIG_HID_EZKEY=m
+CONFIG_HID_GREENASIA=m
+CONFIG_HID_GYRATION=m
+CONFIG_HID_HOLTEK=m
+CONFIG_HID_ICADE=m
+CONFIG_HID_KENSINGTON=m
+CONFIG_HID_KEYTOUCH=m
+CONFIG_HID_KYE=m
+CONFIG_HID_LCPOWER=m
+CONFIG_HID_LENOVO=m
+CONFIG_HID_MONTEREY=m
+CONFIG_HID_NTRIG=m
+CONFIG_HID_ORTEK=m
+CONFIG_HID_PANTHERLORD=m
+CONFIG_HID_PETALYNX=m
+CONFIG_HID_PRIMAX=m
+CONFIG_HID_SAITEK=m
+CONFIG_HID_SAMSUNG=m
+CONFIG_HID_SMARTJOYPLUS=m
+CONFIG_HID_SPEEDLINK=m
+CONFIG_HID_STEELSERIES=m
+CONFIG_HID_SUNPLUS=m
+CONFIG_HID_THINGM=m
+CONFIG_HID_THRUSTMASTER=m
+CONFIG_HID_TIVO=m
+CONFIG_HID_TOPSEED=m
+CONFIG_HID_TWINHAN=m
+CONFIG_HID_WALTOP=m
+CONFIG_HID_ZEROPLUS=m
+CONFIG_HID_ZYDACRON=m
+CONFIG_HS_MH248=m
+CONFIG_HW_RANDOM_ROCKCHIP=m
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_GPIO=m
+CONFIG_I2C_HID=m
+CONFIG_I2C_RK3X=m
+CONFIG_IIO_BUFFER_CB=m
+CONFIG_INPUT_RK805_PWRKEY=m
+CONFIG_ION=y
+CONFIG_ION_SYSTEM_HEAP=y
+CONFIG_JOLIET=y
+CONFIG_KEYBOARD_ADC=m
+CONFIG_LEDS_GPIO=m
+CONFIG_LEDS_TRIGGER_BACKLIGHT=m
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
+CONFIG_LEDS_TRIGGER_HEARTBEAT=m
+CONFIG_LIGHT_DEVICE=m
+CONFIG_LSM330_ACC=m
+CONFIG_LS_CM3217=m
+CONFIG_LS_CM3218=m
+CONFIG_LS_STK3410=m
+# CONFIG_MALI400_PROFILING is not set
+CONFIG_MFD_RK808=m
+CONFIG_MMC_DW=m
+CONFIG_MMC_DW_ROCKCHIP=m
+CONFIG_MMC_SDHCI_OF_ARASAN=m
+CONFIG_MMC_SDHCI_OF_DWCMSHC=m
+CONFIG_MPU6500_ACC=m
+CONFIG_MPU6880_ACC=m
+CONFIG_OPTEE=m
+CONFIG_PANTHERLORD_FF=y
+CONFIG_PHY_ROCKCHIP_DP=m
+CONFIG_PHY_ROCKCHIP_EMMC=m
+CONFIG_PHY_ROCKCHIP_INNO_DSIDPHY=m
+CONFIG_PHY_ROCKCHIP_INNO_USB2=m
+CONFIG_PHY_ROCKCHIP_INNO_USB3=m
+CONFIG_PHY_ROCKCHIP_NANENG_COMBO_PHY=m
+CONFIG_PHY_ROCKCHIP_NANENG_EDP=m
+CONFIG_PHY_ROCKCHIP_PCIE=m
+CONFIG_PHY_ROCKCHIP_SNPS_PCIE3=m
+CONFIG_PHY_ROCKCHIP_TYPEC=m
+CONFIG_PHY_ROCKCHIP_USB=m
+CONFIG_PINCTRL_RK805=m
+CONFIG_PINCTRL_ROCKCHIP=m
+CONFIG_PL330_DMA=m
+CONFIG_PROXIMITY_DEVICE=m
+CONFIG_PS_STK3410=m
+CONFIG_PWM_ROCKCHIP=m
+CONFIG_REGULATOR_ACT8865=m
+CONFIG_REGULATOR_FAN53555=m
+CONFIG_REGULATOR_GPIO=m
+CONFIG_REGULATOR_LP8752=m
+CONFIG_REGULATOR_MP8865=m
+CONFIG_REGULATOR_PWM=m
+CONFIG_REGULATOR_RK808=m
+CONFIG_REGULATOR_TPS65132=m
+CONFIG_REGULATOR_XZ3216=m
+CONFIG_RK_CONSOLE_THREAD=y
+CONFIG_RK_NAND=m
+CONFIG_ROCKCHIP_ANALOGIX_DP=y
+CONFIG_ROCKCHIP_CDN_DP=y
+CONFIG_ROCKCHIP_CPUINFO=m
+CONFIG_ROCKCHIP_DEBUG=m
+CONFIG_ROCKCHIP_DW_HDMI=y
+CONFIG_ROCKCHIP_DW_MIPI_DSI=y
+CONFIG_ROCKCHIP_EFUSE=m
+CONFIG_ROCKCHIP_FIQ_DEBUGGER=m
+CONFIG_ROCKCHIP_GRF=m
+CONFIG_ROCKCHIP_INNO_HDMI=y
+CONFIG_ROCKCHIP_IODOMAIN=m
+CONFIG_ROCKCHIP_IOMMU=m
+CONFIG_ROCKCHIP_IPA=m
+CONFIG_ROCKCHIP_LVDS=y
+CONFIG_ROCKCHIP_OPP=m
+CONFIG_ROCKCHIP_OTP=m
+CONFIG_ROCKCHIP_PHY=m
+CONFIG_ROCKCHIP_PM_DOMAINS=m
+CONFIG_ROCKCHIP_PVTM=m
+CONFIG_ROCKCHIP_REMOTECTL=m
+CONFIG_ROCKCHIP_REMOTECTL_PWM=m
+CONFIG_ROCKCHIP_RGB=y
+CONFIG_ROCKCHIP_SARADC=m
+CONFIG_ROCKCHIP_SIP=m
+CONFIG_ROCKCHIP_SYSTEM_MONITOR=m
+CONFIG_ROCKCHIP_THERMAL=m
+CONFIG_ROCKCHIP_VENDOR_STORAGE=m
+CONFIG_ROCKCHIP_VENDOR_STORAGE_UPDATE_LOADER=y
+CONFIG_RTC_DRV_RK808=m
+CONFIG_SENSOR_DEVICE=m
+CONFIG_SMARTJOYPLUS_FF=y
+CONFIG_SND_SIMPLE_CARD=m
+CONFIG_SND_SOC_BT_SCO=m
+CONFIG_SND_SOC_CX2072X=m
+CONFIG_SND_SOC_DUMMY_CODEC=m
+CONFIG_SND_SOC_ES7202=m
+CONFIG_SND_SOC_ES7210=m
+CONFIG_SND_SOC_ES7243E=m
+CONFIG_SND_SOC_ES8311=m
+CONFIG_SND_SOC_ES8316=m
+CONFIG_SND_SOC_ES8396=m
+CONFIG_SND_SOC_RK3328=m
+CONFIG_SND_SOC_RK817=m
+CONFIG_SND_SOC_RK_CODEC_DIGITAL=m
+CONFIG_SND_SOC_ROCKCHIP=m
+CONFIG_SND_SOC_ROCKCHIP_PDM=m
+CONFIG_SND_SOC_ROCKCHIP_SPDIF=m
+CONFIG_SND_SOC_RT5640=m
+CONFIG_SND_SOC_SPDIF=m
+CONFIG_SPI_ROCKCHIP=m
+CONFIG_SPI_SPIDEV=m
+CONFIG_SW_SYNC=m
+CONFIG_SYSCON_REBOOT_MODE=m
+CONFIG_TEE=m
+CONFIG_TEST_POWER=m
+CONFIG_TOUCHSCREEN_GSLX680_PAD=m
+CONFIG_TOUCHSCREEN_GT1X=m
+CONFIG_TYPEC_DP_ALTMODE=m
+CONFIG_TYPEC_FUSB302=m
+CONFIG_VIDEO_DW9714=m
+CONFIG_VIDEO_OV2680=m
+CONFIG_VIDEO_OV5695=m
+CONFIG_ZISOFS=y
+CONFIG_ZRAM=m
+CONFIG_ZSMALLOC=m
+# CONFIG_USB_DUMMY_HCD is not set
diff --git a/arch/arm64/configs/rockpi4_defconfig b/arch/arm64/configs/rockpi4_defconfig
new file mode 100644
index 0000000..bbe3a2a
--- /dev/null
+++ b/arch/arm64/configs/rockpi4_defconfig
@@ -0,0 +1,541 @@
+CONFIG_LOCALVERSION="-mainline"
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_TASKSTATS=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_PSI=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_MEMCG=y
+CONFIG_MEMCG_SWAP=y
+CONFIG_BLK_CGROUP=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_BPF=y
+CONFIG_SCHED_AUTOGROUP=y
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
+# CONFIG_SYSFS_SYSCALL is not set
+CONFIG_KALLSYMS_ALL=y
+CONFIG_BPF_SYSCALL=y
+# CONFIG_RSEQ is not set
+CONFIG_EMBEDDED=y
+# CONFIG_VM_EVENT_COUNTERS is not set
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_SLAB_MERGE_DEFAULT is not set
+CONFIG_SLAB_FREELIST_RANDOM=y
+CONFIG_SLAB_FREELIST_HARDENED=y
+CONFIG_PROFILING=y
+CONFIG_ARCH_QCOM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SCHED_MC=y
+CONFIG_NR_CPUS=32
+CONFIG_SECCOMP=y
+CONFIG_PARAVIRT=y
+CONFIG_COMPAT=y
+CONFIG_ARMV8_DEPRECATED=y
+CONFIG_SWP_EMULATION=y
+CONFIG_CP15_BARRIER_EMULATION=y
+CONFIG_SETEND_EMULATION=y
+CONFIG_RANDOMIZE_BASE=y
+# CONFIG_DMI is not set
+CONFIG_PM_WAKELOCKS=y
+CONFIG_PM_WAKELOCKS_LIMIT=0
+# CONFIG_PM_WAKELOCKS_GC is not set
+CONFIG_ENERGY_MODEL=y
+CONFIG_CPU_IDLE=y
+CONFIG_ARM_CPUIDLE=y
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TIMES=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_ARM_SCPI_CPUFREQ=y
+CONFIG_ARM_SCMI_CPUFREQ=y
+CONFIG_ARM_SCMI_PROTOCOL=y
+# CONFIG_ARM_SCMI_POWER_DOMAIN is not set
+CONFIG_ARM_SCPI_PROTOCOL=y
+# CONFIG_ARM_SCPI_POWER_DOMAIN is not set
+# CONFIG_EFI_ARMSTUB_DTB_LOADER is not set
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=y
+CONFIG_VHOST_VSOCK=y
+CONFIG_ARM64_CRYPTO=y
+CONFIG_CRYPTO_AES_ARM64=y
+CONFIG_KPROBES=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_BINFMT_MISC=y
+# CONFIG_SPARSEMEM_VMEMMAP is not set
+CONFIG_MEMORY_HOTPLUG=y
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_CMA=y
+CONFIG_CMA_AREAS=16
+CONFIG_ZSMALLOC=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+CONFIG_XFRM_INTERFACE=y
+CONFIG_XFRM_STATISTICS=y
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPVTI=y
+CONFIG_INET_ESP=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INET_DIAG_DESTROY=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_OPTIMISTIC_DAD=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+CONFIG_IPV6_MIP6=y
+CONFIG_IPV6_VTI=y
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_NETFILTER=y
+# CONFIG_BRIDGE_NETFILTER is not set
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CONNTRACK_AMANDA=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_H323=y
+CONFIG_NF_CONNTRACK_IRC=y
+CONFIG_NF_CONNTRACK_NETBIOS_NS=y
+CONFIG_NF_CONNTRACK_PPTP=y
+CONFIG_NF_CONNTRACK_SANE=y
+CONFIG_NF_CONNTRACK_TFTP=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_CT=y
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_TARGET_NFLOG=y
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
+CONFIG_NETFILTER_XT_TARGET_TPROXY=y
+CONFIG_NETFILTER_XT_TARGET_TRACE=y
+CONFIG_NETFILTER_XT_TARGET_SECMARK=y
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_MATCH_COMMENT=y
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_HELPER=y
+CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
+CONFIG_NETFILTER_XT_MATCH_LENGTH=y
+CONFIG_NETFILTER_XT_MATCH_LIMIT=y
+CONFIG_NETFILTER_XT_MATCH_MAC=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_OWNER=y
+CONFIG_NETFILTER_XT_MATCH_POLICY=y
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2=y
+CONFIG_NETFILTER_XT_MATCH_SOCKET=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
+CONFIG_NETFILTER_XT_MATCH_STRING=y
+CONFIG_NETFILTER_XT_MATCH_TIME=y
+CONFIG_NETFILTER_XT_MATCH_U32=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_MATCH_ECN=y
+CONFIG_IP_NF_MATCH_TTL=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_TARGET_NETMAP=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
+CONFIG_IP_NF_MANGLE=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_SECURITY=y
+CONFIG_IP_NF_ARPTABLES=y
+CONFIG_IP_NF_ARPFILTER=y
+CONFIG_IP_NF_ARP_MANGLE=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_MATCH_RPFILTER=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_MANGLE=y
+CONFIG_IP6_NF_RAW=y
+CONFIG_TIPC=y
+CONFIG_L2TP=y
+CONFIG_BRIDGE=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_HTB=y
+CONFIG_NET_SCH_INGRESS=y
+CONFIG_NET_CLS_U32=y
+CONFIG_NET_CLS_BPF=y
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_U32=y
+CONFIG_NET_CLS_ACT=y
+CONFIG_VSOCKETS=y
+CONFIG_VIRTIO_VSOCKETS=y
+CONFIG_BT=y
+CONFIG_CFG80211=y
+# CONFIG_CFG80211_DEFAULT_PS is not set
+# CONFIG_CFG80211_CRDA_SUPPORT is not set
+CONFIG_MAC80211=y
+# CONFIG_MAC80211_RC_MINSTREL is not set
+CONFIG_RFKILL=y
+CONFIG_PCI=y
+CONFIG_PCI_HOST_GENERIC=y
+CONFIG_DEVTMPFS=y
+# CONFIG_ALLOW_DEV_COREDUMP is not set
+CONFIG_DEBUG_DEVRES=y
+CONFIG_ZRAM=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_VIRTIO_BLK=y
+CONFIG_UID_SYS_STATS=y
+CONFIG_SCSI=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_UFSHCD=y
+CONFIG_SCSI_UFSHCD_PLATFORM=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=y
+CONFIG_DM_UEVENT=y
+CONFIG_DM_VERITY=y
+CONFIG_DM_VERITY_FEC=y
+CONFIG_DM_BOW=y
+CONFIG_NETDEVICES=y
+CONFIG_TUN=y
+CONFIG_VIRTIO_NET=y
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NET_VENDOR_ADAPTEC is not set
+# CONFIG_NET_VENDOR_AGERE is not set
+# CONFIG_NET_VENDOR_ALACRITECH is not set
+# CONFIG_NET_VENDOR_ALTEON is not set
+# CONFIG_NET_VENDOR_AMAZON is not set
+# CONFIG_NET_VENDOR_AMD is not set
+# CONFIG_NET_VENDOR_AQUANTIA is not set
+# CONFIG_NET_VENDOR_ARC is not set
+# CONFIG_NET_VENDOR_ATHEROS is not set
+# CONFIG_NET_VENDOR_AURORA is not set
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_BROCADE is not set
+# CONFIG_NET_VENDOR_CADENCE is not set
+# CONFIG_NET_VENDOR_CAVIUM is not set
+# CONFIG_NET_VENDOR_CHELSIO is not set
+# CONFIG_NET_VENDOR_CISCO is not set
+# CONFIG_NET_VENDOR_CORTINA is not set
+# CONFIG_NET_VENDOR_DEC is not set
+# CONFIG_NET_VENDOR_DLINK is not set
+# CONFIG_NET_VENDOR_EMULEX is not set
+# CONFIG_NET_VENDOR_EZCHIP is not set
+# CONFIG_NET_VENDOR_HISILICON is not set
+# CONFIG_NET_VENDOR_HP is not set
+# CONFIG_NET_VENDOR_HUAWEI is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MELLANOX is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MICROCHIP is not set
+# CONFIG_NET_VENDOR_MICROSEMI is not set
+# CONFIG_NET_VENDOR_MYRI is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_NETERION is not set
+# CONFIG_NET_VENDOR_NETRONOME is not set
+# CONFIG_NET_VENDOR_NI is not set
+# CONFIG_NET_VENDOR_NVIDIA is not set
+# CONFIG_NET_VENDOR_OKI is not set
+# CONFIG_NET_VENDOR_PACKET_ENGINES is not set
+# CONFIG_NET_VENDOR_QLOGIC is not set
+# CONFIG_NET_VENDOR_QUALCOMM is not set
+# CONFIG_NET_VENDOR_RDC is not set
+# CONFIG_NET_VENDOR_REALTEK is not set
+# CONFIG_NET_VENDOR_RENESAS is not set
+# CONFIG_NET_VENDOR_ROCKER is not set
+# CONFIG_NET_VENDOR_SAMSUNG is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+# CONFIG_NET_VENDOR_SOLARFLARE is not set
+# CONFIG_NET_VENDOR_SILAN is not set
+# CONFIG_NET_VENDOR_SIS is not set
+# CONFIG_NET_VENDOR_SMSC is not set
+# CONFIG_NET_VENDOR_SOCIONEXT is not set
+CONFIG_STMMAC_ETH=y
+# CONFIG_DWMAC_GENERIC is not set
+# CONFIG_NET_VENDOR_SUN is not set
+# CONFIG_NET_VENDOR_SYNOPSYS is not set
+# CONFIG_NET_VENDOR_TEHUTI is not set
+# CONFIG_NET_VENDOR_TI is not set
+# CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WIZNET is not set
+CONFIG_ROCKCHIP_PHY=y
+CONFIG_PPP=y
+CONFIG_PPP_BSDCOMP=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_MPPE=y
+CONFIG_PPTP=y
+CONFIG_PPPOL2TP=y
+CONFIG_USB_RTL8152=y
+CONFIG_USB_USBNET=y
+# CONFIG_USB_NET_AX8817X is not set
+# CONFIG_USB_NET_AX88179_178A is not set
+# CONFIG_USB_NET_CDCETHER is not set
+# CONFIG_USB_NET_CDC_NCM is not set
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+# CONFIG_WLAN_VENDOR_ADMTEK is not set
+# CONFIG_WLAN_VENDOR_ATH is not set
+# CONFIG_WLAN_VENDOR_ATMEL is not set
+# CONFIG_WLAN_VENDOR_BROADCOM is not set
+# CONFIG_WLAN_VENDOR_CISCO is not set
+# CONFIG_WLAN_VENDOR_INTEL is not set
+# CONFIG_WLAN_VENDOR_INTERSIL is not set
+# CONFIG_WLAN_VENDOR_MARVELL is not set
+# CONFIG_WLAN_VENDOR_MEDIATEK is not set
+# CONFIG_WLAN_VENDOR_RALINK is not set
+# CONFIG_WLAN_VENDOR_REALTEK is not set
+# CONFIG_WLAN_VENDOR_RSI is not set
+# CONFIG_WLAN_VENDOR_ST is not set
+# CONFIG_WLAN_VENDOR_TI is not set
+# CONFIG_WLAN_VENDOR_ZYDAS is not set
+# CONFIG_WLAN_VENDOR_QUANTENNA is not set
+CONFIG_VIRT_WIFI=y
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_MOUSE is not set
+CONFIG_INPUT_JOYSTICK=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=y
+# CONFIG_VT is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_DEVMEM is not set
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_SERIAL_8250_EXAR is not set
+CONFIG_SERIAL_8250_NR_UARTS=48
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+CONFIG_SERIAL_8250_DW=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_VIRTIO=y
+# CONFIG_HW_RANDOM_CAVIUM is not set
+# CONFIG_DEVPORT is not set
+# CONFIG_I2C_COMPAT is not set
+CONFIG_I2C_MUX_PINCTRL=y
+CONFIG_I2C_DEMUX_PINCTRL=y
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I2C_DESIGNWARE_PLATFORM=y
+CONFIG_I2C_DESIGNWARE_SLAVE=y
+CONFIG_I2C_RK3X=y
+CONFIG_SPI=y
+CONFIG_SPI_ROCKCHIP=y
+CONFIG_SPMI=y
+CONFIG_DEBUG_PINCTRL=y
+CONFIG_PINCTRL_AMD=y
+CONFIG_PINCTRL_SINGLE=y
+CONFIG_PINCTRL_RK805=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+CONFIG_POWER_AVS=y
+CONFIG_ROCKCHIP_IODOMAIN=y
+CONFIG_POWER_RESET_GPIO=y
+CONFIG_POWER_RESET_GPIO_RESTART=y
+CONFIG_POWER_RESET_RESTART=y
+CONFIG_POWER_RESET_SYSCON=y
+CONFIG_POWER_RESET_SYSCON_POWEROFF=y
+CONFIG_SYSCON_REBOOT_MODE=y
+# CONFIG_HWMON is not set
+CONFIG_THERMAL=y
+CONFIG_THERMAL_GOV_USER_SPACE=y
+CONFIG_CPU_THERMAL=y
+CONFIG_DEVFREQ_THERMAL=y
+CONFIG_ROCKCHIP_THERMAL=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_PRETIMEOUT_GOV=y
+# CONFIG_WATCHDOG_PRETIMEOUT_GOV_NOOP is not set
+CONFIG_DW_WATCHDOG=y
+CONFIG_MFD_ACT8945A=y
+CONFIG_MFD_RK808=y
+CONFIG_REGULATOR_DEBUG=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_REGULATOR_VIRTUAL_CONSUMER=y
+CONFIG_REGULATOR_USERSPACE_CONSUMER=y
+CONFIG_REGULATOR_GPIO=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_REGULATOR_RK808=y
+CONFIG_REGULATOR_VCTRL=y
+CONFIG_MEDIA_SUPPORT=y
+CONFIG_MEDIA_CAMERA_SUPPORT=y
+CONFIG_MEDIA_CONTROLLER=y
+# CONFIG_VGA_ARB is not set
+CONFIG_DRM=y
+# CONFIG_DRM_FBDEV_EMULATION is not set
+CONFIG_DRM_ROCKCHIP=y
+CONFIG_ROCKCHIP_DW_HDMI=y
+CONFIG_DRM_VIRTIO_GPU=y
+# CONFIG_LCD_CLASS_DEVICE is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_HRTIMER=y
+CONFIG_SND_DYNAMIC_MINORS=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_VERBOSE_PROCFS is not set
+# CONFIG_SND_DRIVERS is not set
+CONFIG_SND_INTEL8X0=y
+CONFIG_SND_USB_AUDIO=y
+CONFIG_SND_SOC=y
+CONFIG_SND_SOC_TS3A227E=y
+CONFIG_HIDRAW=y
+CONFIG_UHID=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_ELECOM=y
+CONFIG_HID_MAGICMOUSE=y
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MULTITOUCH=y
+CONFIG_USB_HIDDEV=y
+CONFIG_USB=y
+CONFIG_USB_OTG=y
+CONFIG_USB_OTG_FSM=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_HCD_PCI is not set
+CONFIG_USB_OHCI_HCD_PLATFORM=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_DUMMY_HCD=m
+CONFIG_USB_CONFIGFS=y
+CONFIG_USB_CONFIGFS_UEVENT=y
+CONFIG_USB_CONFIGFS_F_FS=y
+CONFIG_USB_CONFIGFS_F_ACC=y
+CONFIG_USB_CONFIGFS_F_AUDIO_SRC=y
+CONFIG_USB_CONFIGFS_F_MIDI=y
+CONFIG_MMC=y
+# CONFIG_PWRSEQ_EMMC is not set
+# CONFIG_PWRSEQ_SIMPLE is not set
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MMC_SDHCI_OF_ARASAN=y
+CONFIG_MMC_SDHCI_OF_DWCMSHC=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_EDAC=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_SYSTOHC is not set
+CONFIG_RTC_DRV_RK808=y
+CONFIG_RTC_DRV_PL030=y
+CONFIG_RTC_DRV_PL031=y
+CONFIG_DMADEVICES=y
+CONFIG_PL330_DMA=y
+CONFIG_VIRTIO_PCI=y
+# CONFIG_VIRTIO_PCI_LEGACY is not set
+CONFIG_VIRTIO_INPUT=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
+CONFIG_STAGING=y
+CONFIG_ASHMEM=y
+CONFIG_ANDROID_VSOC=y
+CONFIG_ION=y
+CONFIG_ION_SYSTEM_HEAP=y
+CONFIG_ION_SYSTEM_CONTIG_HEAP=y
+CONFIG_COMMON_CLK_RK808=y
+CONFIG_COMMON_CLK_SCPI=y
+CONFIG_HWSPINLOCK=y
+CONFIG_MAILBOX=y
+CONFIG_ROCKCHIP_MBOX=y
+CONFIG_ROCKCHIP_IOMMU=y
+CONFIG_ARM_SMMU=y
+CONFIG_QCOM_COMMAND_DB=y
+CONFIG_QCOM_RPMH=y
+CONFIG_ROCKCHIP_PM_DOMAINS=y
+CONFIG_DEVFREQ_GOV_PERFORMANCE=y
+CONFIG_DEVFREQ_GOV_POWERSAVE=y
+CONFIG_DEVFREQ_GOV_USERSPACE=y
+CONFIG_DEVFREQ_GOV_PASSIVE=y
+CONFIG_ARM_RK3399_DMC_DEVFREQ=y
+CONFIG_PWM=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_QCOM_PDC=y
+CONFIG_PHY_ROCKCHIP_EMMC=y
+CONFIG_PHY_ROCKCHIP_INNO_HDMI=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_USB=y
+CONFIG_RAS=y
+CONFIG_ANDROID=y
+CONFIG_ANDROID_BINDER_IPC=y
+CONFIG_ROCKCHIP_EFUSE=y
+CONFIG_INTERCONNECT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_F2FS_FS=y
+CONFIG_F2FS_FS_SECURITY=y
+CONFIG_FS_ENCRYPTION=y
+# CONFIG_DNOTIFY is not set
+CONFIG_QUOTA=y
+CONFIG_QFMT_V2=y
+CONFIG_FUSE_FS=y
+CONFIG_OVERLAY_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_EFIVAR_FS is not set
+CONFIG_PSTORE=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_RAM=y
+CONFIG_SECURITY_PERF_EVENTS_RESTRICT=y
+CONFIG_SECURITY=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_HARDENED_USERCOPY=y
+CONFIG_SECURITY_SELINUX=y
+CONFIG_CRYPTO_ADIANTUM=y
+CONFIG_CRYPTO_MD4=y
+CONFIG_CRYPTO_SHA512=y
+CONFIG_CRYPTO_LZ4=y
+CONFIG_CRYPTO_ZSTD=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_CRYPTO_DEV_ROCKCHIP=y
+CONFIG_CRYPTO_DEV_VIRTIO=y
+CONFIG_CRC_CCITT=y
+CONFIG_CRC8=y
+CONFIG_XZ_DEC=y
+CONFIG_DMA_CMA=y
+CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_STACK_USAGE=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_SOFTLOCKUP_DETECTOR=y
+# CONFIG_DETECT_HUNG_TASK is not set
+CONFIG_PANIC_TIMEOUT=5
+CONFIG_SCHEDSTATS=y
+CONFIG_FUNCTION_TRACER=y
+# CONFIG_RUNTIME_TESTING_MENU is not set
+CONFIG_CORESIGHT=y
+CONFIG_CORESIGHT_STM=y
diff --git a/arch/arm64/crypto/Kbuild.fips140 b/arch/arm64/crypto/Kbuild.fips140
new file mode 100644
index 0000000..986bdad
--- /dev/null
+++ b/arch/arm64/crypto/Kbuild.fips140
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Create a separate FIPS archive that duplicates the modules that are relevant
+# for FIPS 140 certification as builtin objects
+#
+
+sha1-ce-y := sha1-ce-glue.o sha1-ce-core.o
+sha2-ce-y := sha2-ce-glue.o sha2-ce-core.o
+sha512-ce-y := sha512-ce-glue.o sha512-ce-core.o
+ghash-ce-y := ghash-ce-glue.o ghash-ce-core.o
+aes-ce-cipher-y := aes-ce-core.o aes-ce-glue.o
+aes-ce-blk-y := aes-glue-ce.o aes-ce.o
+aes-neon-blk-y := aes-glue-neon.o aes-neon.o
+sha256-arm64-y := sha256-glue.o sha256-core.o
+sha512-arm64-y := sha512-glue.o sha512-core.o
+aes-arm64-y := aes-cipher-core.o aes-cipher-glue.o
+aes-neon-bs-y := aes-neonbs-core.o aes-neonbs-glue.o
+
+crypto-arm64-fips-src := $(srctree)/arch/arm64/crypto/
+crypto-arm64-fips-modules := sha1-ce.o sha2-ce.o sha512-ce.o ghash-ce.o \
+ aes-ce-cipher.o aes-ce-blk.o aes-neon-blk.o \
+ sha256-arm64.o sha512-arm64.o aes-arm64.o \
+ aes-neon-bs.o
+
+crypto-fips-objs += $(foreach o,$(crypto-arm64-fips-modules),$($(o:.o=-y):.o=-fips-arch.o))
+
+CFLAGS_aes-glue-ce-fips-arch.o := -DUSE_V8_CRYPTO_EXTENSIONS
+
+$(obj)/aes-glue-%-fips-arch.o: KBUILD_CFLAGS += $(FIPS140_CFLAGS)
+$(obj)/aes-glue-%-fips-arch.o: $(crypto-arm64-fips-src)/aes-glue.c FORCE
+ $(call if_changed_rule,cc_o_c)
+
+$(obj)/%-fips-arch.o: KBUILD_CFLAGS += $(FIPS140_CFLAGS)
+$(obj)/%-fips-arch.o: $(crypto-arm64-fips-src)/%.c FORCE
+ $(call if_changed_rule,cc_o_c)
+
+$(obj)/%-fips-arch.o: $(crypto-arm64-fips-src)/%.S FORCE
+ $(call if_changed_rule,as_o_S)
+
+$(obj)/%: $(crypto-arm64-fips-src)/%_shipped
+ $(call cmd,shipped)
+
+$(obj)/%-fips-arch.o: $(obj)/%.S FORCE
+ $(call if_changed_rule,as_o_S)
diff --git a/arch/arm64/crypto/Kconfig b/arch/arm64/crypto/Kconfig
index b8eb045..454621a 100644
--- a/arch/arm64/crypto/Kconfig
+++ b/arch/arm64/crypto/Kconfig
@@ -88,16 +88,12 @@
depends on KERNEL_MODE_NEON
select CRYPTO_SKCIPHER
select CRYPTO_AES_ARM64_CE
- select CRYPTO_AES_ARM64
- select CRYPTO_SIMD
config CRYPTO_AES_ARM64_NEON_BLK
tristate "AES in ECB/CBC/CTR/XTS modes using NEON instructions"
depends on KERNEL_MODE_NEON
select CRYPTO_SKCIPHER
- select CRYPTO_AES_ARM64
select CRYPTO_LIB_AES
- select CRYPTO_SIMD
config CRYPTO_CHACHA20_NEON
tristate "ChaCha20, XChaCha20, and XChaCha12 stream ciphers using NEON instructions"
@@ -122,8 +118,6 @@
depends on KERNEL_MODE_NEON
select CRYPTO_SKCIPHER
select CRYPTO_AES_ARM64_NEON_BLK
- select CRYPTO_AES_ARM64
select CRYPTO_LIB_AES
- select CRYPTO_SIMD
endif
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index 53c92e0..326364c 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -103,9 +103,9 @@ asmlinkage void aes_essiv_cbc_decrypt(u8 out[], u8 const in[], u32 const rk1[],
int rounds, int blocks, u8 iv[],
u32 const rk2[]);
-asmlinkage void aes_mac_update(u8 const in[], u32 const rk[], int rounds,
- int blocks, u8 dg[], int enc_before,
- int enc_after);
+asmlinkage int aes_mac_update(u8 const in[], u32 const rk[], int rounds,
+ int blocks, u8 dg[], int enc_before,
+ int enc_after);
struct crypto_aes_xts_ctx {
struct crypto_aes_ctx key1;
@@ -442,7 +442,7 @@ static int __maybe_unused essiv_cbc_decrypt(struct skcipher_request *req)
return err ?: cbc_decrypt_walk(req, &walk);
}
-static int ctr_encrypt(struct skcipher_request *req)
+static int __maybe_unused ctr_encrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -481,29 +481,6 @@ static int ctr_encrypt(struct skcipher_request *req)
return err;
}
-static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
-{
- const struct crypto_aes_ctx *ctx = crypto_skcipher_ctx(tfm);
- unsigned long flags;
-
- /*
- * Temporarily disable interrupts to avoid races where
- * cachelines are evicted when the CPU is interrupted
- * to do something else.
- */
- local_irq_save(flags);
- aes_encrypt(ctx, dst, src);
- local_irq_restore(flags);
-}
-
-static int __maybe_unused ctr_encrypt_sync(struct skcipher_request *req)
-{
- if (!crypto_simd_usable())
- return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
-
- return ctr_encrypt(req);
-}
-
static int __maybe_unused xts_encrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
@@ -652,10 +629,9 @@ static int __maybe_unused xts_decrypt(struct skcipher_request *req)
static struct skcipher_alg aes_algs[] = { {
#if defined(USE_V8_CRYPTO_EXTENSIONS) || !IS_ENABLED(CONFIG_CRYPTO_AES_ARM64_BS)
.base = {
- .cra_name = "__ecb(aes)",
- .cra_driver_name = "__ecb-aes-" MODE,
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "ecb-aes-" MODE,
.cra_priority = PRIO,
- .cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto_aes_ctx),
.cra_module = THIS_MODULE,
@@ -667,10 +643,9 @@ static struct skcipher_alg aes_algs[] = { {
.decrypt = ecb_decrypt,
}, {
.base = {
- .cra_name = "__cbc(aes)",
- .cra_driver_name = "__cbc-aes-" MODE,
+ .cra_name = "cbc(aes)",
+ .cra_driver_name = "cbc-aes-" MODE,
.cra_priority = PRIO,
- .cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto_aes_ctx),
.cra_module = THIS_MODULE,
@@ -683,10 +658,9 @@ static struct skcipher_alg aes_algs[] = { {
.decrypt = cbc_decrypt,
}, {
.base = {
- .cra_name = "__ctr(aes)",
- .cra_driver_name = "__ctr-aes-" MODE,
+ .cra_name = "ctr(aes)",
+ .cra_driver_name = "ctr-aes-" MODE,
.cra_priority = PRIO,
- .cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = 1,
.cra_ctxsize = sizeof(struct crypto_aes_ctx),
.cra_module = THIS_MODULE,
@@ -700,26 +674,9 @@ static struct skcipher_alg aes_algs[] = { {
.decrypt = ctr_encrypt,
}, {
.base = {
- .cra_name = "ctr(aes)",
- .cra_driver_name = "ctr-aes-" MODE,
- .cra_priority = PRIO - 1,
- .cra_blocksize = 1,
- .cra_ctxsize = sizeof(struct crypto_aes_ctx),
- .cra_module = THIS_MODULE,
- },
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .chunksize = AES_BLOCK_SIZE,
- .setkey = skcipher_aes_setkey,
- .encrypt = ctr_encrypt_sync,
- .decrypt = ctr_encrypt_sync,
-}, {
- .base = {
- .cra_name = "__xts(aes)",
- .cra_driver_name = "__xts-aes-" MODE,
+ .cra_name = "xts(aes)",
+ .cra_driver_name = "xts-aes-" MODE,
.cra_priority = PRIO,
- .cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto_aes_xts_ctx),
.cra_module = THIS_MODULE,
@@ -734,10 +691,9 @@ static struct skcipher_alg aes_algs[] = { {
}, {
#endif
.base = {
- .cra_name = "__cts(cbc(aes))",
- .cra_driver_name = "__cts-cbc-aes-" MODE,
+ .cra_name = "cts(cbc(aes))",
+ .cra_driver_name = "cts-cbc-aes-" MODE,
.cra_priority = PRIO,
- .cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto_aes_ctx),
.cra_module = THIS_MODULE,
@@ -751,10 +707,9 @@ static struct skcipher_alg aes_algs[] = { {
.decrypt = cts_cbc_decrypt,
}, {
.base = {
- .cra_name = "__essiv(cbc(aes),sha256)",
- .cra_driver_name = "__essiv-cbc-aes-sha256-" MODE,
+ .cra_name = "essiv(cbc(aes),sha256)",
+ .cra_driver_name = "essiv-cbc-aes-sha256-" MODE,
.cra_priority = PRIO + 1,
- .cra_flags = CRYPTO_ALG_INTERNAL,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto_aes_essiv_cbc_ctx),
.cra_module = THIS_MODULE,
@@ -852,10 +807,17 @@ static void mac_do_update(struct crypto_aes_ctx *ctx, u8 const in[], int blocks,
int rounds = 6 + ctx->key_length / 4;
if (crypto_simd_usable()) {
- kernel_neon_begin();
- aes_mac_update(in, ctx->key_enc, rounds, blocks, dg, enc_before,
- enc_after);
- kernel_neon_end();
+ int rem;
+
+ do {
+ kernel_neon_begin();
+ rem = aes_mac_update(in, ctx->key_enc, rounds, blocks,
+ dg, enc_before, enc_after);
+ kernel_neon_end();
+ in += (blocks - rem) * AES_BLOCK_SIZE;
+ blocks = rem;
+ enc_before = 0;
+ } while (blocks);
} else {
if (enc_before)
aes_encrypt(ctx, dg, dg);
@@ -986,28 +948,15 @@ static struct shash_alg mac_algs[] = { {
.descsize = sizeof(struct mac_desc_ctx),
} };
-static struct simd_skcipher_alg *aes_simd_algs[ARRAY_SIZE(aes_algs)];
-
static void aes_exit(void)
{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(aes_simd_algs); i++)
- if (aes_simd_algs[i])
- simd_skcipher_free(aes_simd_algs[i]);
-
crypto_unregister_shashes(mac_algs, ARRAY_SIZE(mac_algs));
crypto_unregister_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
}
static int __init aes_init(void)
{
- struct simd_skcipher_alg *simd;
- const char *basename;
- const char *algname;
- const char *drvname;
int err;
- int i;
err = crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
if (err)
@@ -1017,26 +966,8 @@ static int __init aes_init(void)
if (err)
goto unregister_ciphers;
- for (i = 0; i < ARRAY_SIZE(aes_algs); i++) {
- if (!(aes_algs[i].base.cra_flags & CRYPTO_ALG_INTERNAL))
- continue;
-
- algname = aes_algs[i].base.cra_name + 2;
- drvname = aes_algs[i].base.cra_driver_name + 2;
- basename = aes_algs[i].base.cra_driver_name;
- simd = simd_skcipher_create_compat(algname, drvname, basename);
- err = PTR_ERR(simd);
- if (IS_ERR(simd))
- goto unregister_simds;
-
- aes_simd_algs[i] = simd;
- }
-
return 0;
-unregister_simds:
- aes_exit();
- return err;
unregister_ciphers:
crypto_unregister_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
return err;
diff --git a/arch/arm64/crypto/aes-modes.S b/arch/arm64/crypto/aes-modes.S
index cf618d8..503d9b3 100644
--- a/arch/arm64/crypto/aes-modes.S
+++ b/arch/arm64/crypto/aes-modes.S
@@ -619,61 +619,47 @@
* int blocks, u8 dg[], int enc_before, int enc_after)
*/
AES_FUNC_START(aes_mac_update)
- frame_push 6
-
- mov x19, x0
- mov x20, x1
- mov x21, x2
- mov x22, x3
- mov x23, x4
- mov x24, x6
-
- ld1 {v0.16b}, [x23] /* get dg */
+ ld1 {v0.16b}, [x4] /* get dg */
enc_prepare w2, x1, x7
cbz w5, .Lmacloop4x
encrypt_block v0, w2, x1, x7, w8
.Lmacloop4x:
- subs w22, w22, #4
+ subs w3, w3, #4
bmi .Lmac1x
- ld1 {v1.16b-v4.16b}, [x19], #64 /* get next pt block */
+ ld1 {v1.16b-v4.16b}, [x0], #64 /* get next pt block */
eor v0.16b, v0.16b, v1.16b /* ..and xor with dg */
- encrypt_block v0, w21, x20, x7, w8
+ encrypt_block v0, w2, x1, x7, w8
eor v0.16b, v0.16b, v2.16b
- encrypt_block v0, w21, x20, x7, w8
+ encrypt_block v0, w2, x1, x7, w8
eor v0.16b, v0.16b, v3.16b
- encrypt_block v0, w21, x20, x7, w8
+ encrypt_block v0, w2, x1, x7, w8
eor v0.16b, v0.16b, v4.16b
- cmp w22, wzr
- csinv x5, x24, xzr, eq
+ cmp w3, wzr
+ csinv x5, x6, xzr, eq
cbz w5, .Lmacout
- encrypt_block v0, w21, x20, x7, w8
- st1 {v0.16b}, [x23] /* return dg */
- cond_yield_neon .Lmacrestart
+ encrypt_block v0, w2, x1, x7, w8
+ st1 {v0.16b}, [x4] /* return dg */
+ cond_yield .Lmacout, x7, x8
b .Lmacloop4x
.Lmac1x:
- add w22, w22, #4
+ add w3, w3, #4
.Lmacloop:
- cbz w22, .Lmacout
- ld1 {v1.16b}, [x19], #16 /* get next pt block */
+ cbz w3, .Lmacout
+ ld1 {v1.16b}, [x0], #16 /* get next pt block */
eor v0.16b, v0.16b, v1.16b /* ..and xor with dg */
- subs w22, w22, #1
- csinv x5, x24, xzr, eq
+ subs w3, w3, #1
+ csinv x5, x6, xzr, eq
cbz w5, .Lmacout
.Lmacenc:
- encrypt_block v0, w21, x20, x7, w8
+ encrypt_block v0, w2, x1, x7, w8
b .Lmacloop
.Lmacout:
- st1 {v0.16b}, [x23] /* return dg */
- frame_pop
+ st1 {v0.16b}, [x4] /* return dg */
+ mov w0, w3
ret
-
-.Lmacrestart:
- ld1 {v0.16b}, [x23] /* get dg */
- enc_prepare w21, x20, x0
- b .Lmacloop4x
AES_FUNC_END(aes_mac_update)
diff --git a/arch/arm64/crypto/aes-neonbs-core.S b/arch/arm64/crypto/aes-neonbs-core.S
index 63a52ad..a3405b8 100644
--- a/arch/arm64/crypto/aes-neonbs-core.S
+++ b/arch/arm64/crypto/aes-neonbs-core.S
@@ -613,7 +613,6 @@
st1 {\o7\().16b}, [x19], #16
cbz x23, 1f
- cond_yield_neon
b 99b
1: frame_pop
@@ -715,7 +714,6 @@
1: st1 {v24.16b}, [x24] // store IV
cbz x23, 2f
- cond_yield_neon
b 99b
2: frame_pop
@@ -801,7 +799,7 @@
mov x23, x4
mov x24, x5
-0: movi v30.2s, #0x1
+ movi v30.2s, #0x1
movi v25.2s, #0x87
uzp1 v30.4s, v30.4s, v25.4s
ld1 {v25.16b}, [x24]
@@ -846,7 +844,6 @@
cbz x23, 1f
st1 {v25.16b}, [x24]
- cond_yield_neon 0b
b 99b
1: st1 {v25.16b}, [x24]
@@ -889,7 +886,7 @@
cset x26, ne
add x23, x23, x26 // do one extra block if final
-98: ldp x7, x8, [x24]
+ ldp x7, x8, [x24]
ld1 {v0.16b}, [x24]
CPU_LE( rev x7, x7 )
CPU_LE( rev x8, x8 )
@@ -967,7 +964,6 @@
st1 {v0.16b}, [x24]
cbz x23, .Lctr_done
- cond_yield_neon 98b
b 99b
.Lctr_done:
diff --git a/arch/arm64/crypto/aes-neonbs-glue.c b/arch/arm64/crypto/aes-neonbs-glue.c
index fb507d5..8df6ad8 100644
--- a/arch/arm64/crypto/aes-neonbs-glue.c
+++ b/arch/arm64/crypto/aes-neonbs-glue.c
@@ -63,11 +63,6 @@ struct aesbs_cbc_ctx {
u32 enc[AES_MAX_KEYLENGTH_U32];
};
-struct aesbs_ctr_ctx {
- struct aesbs_ctx key; /* must be first member */
- struct crypto_aes_ctx fallback;
-};
-
struct aesbs_xts_ctx {
struct aesbs_ctx key;
u32 twkey[AES_MAX_KEYLENGTH_U32];
@@ -207,25 +202,6 @@ static int cbc_decrypt(struct skcipher_request *req)
return err;
}
-static int aesbs_ctr_setkey_sync(struct crypto_skcipher *tfm, const u8 *in_key,
- unsigned int key_len)
-{
- struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
- int err;
-
- err = aes_expandkey(&ctx->fallback, in_key, key_len);
- if (err)
- return err;
-
- ctx->key.rounds = 6 + key_len / 4;
-
- kernel_neon_begin();
- aesbs_convert_key(ctx->key.rk, ctx->fallback.key_enc, ctx->key.rounds);
- kernel_neon_end();
-
- return 0;
-}
-
static int ctr_encrypt(struct skcipher_request *req)
{
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
@@ -292,29 +268,6 @@ static int aesbs_xts_setkey(struct crypto_skcipher *tfm, const u8 *in_key,
return aesbs_setkey(tfm, in_key, key_len);
}
-static void ctr_encrypt_one(struct crypto_skcipher *tfm, const u8 *src, u8 *dst)
-{
- struct aesbs_ctr_ctx *ctx = crypto_skcipher_ctx(tfm);
- unsigned long flags;
-
- /*
- * Temporarily disable interrupts to avoid races where
- * cachelines are evicted when the CPU is interrupted
- * to do something else.
- */
- local_irq_save(flags);
- aes_encrypt(&ctx->fallback, dst, src);
- local_irq_restore(flags);
-}
-
-static int ctr_encrypt_sync(struct skcipher_request *req)
-{
- if (!crypto_simd_usable())
- return crypto_ctr_encrypt_walk(req, ctr_encrypt_one);
-
- return ctr_encrypt(req);
-}
-
static int __xts_crypt(struct skcipher_request *req, bool encrypt,
void (*fn)(u8 out[], u8 const in[], u8 const rk[],
int rounds, int blocks, u8 iv[]))
@@ -431,13 +384,12 @@ static int xts_decrypt(struct skcipher_request *req)
}
static struct skcipher_alg aes_algs[] = { {
- .base.cra_name = "__ecb(aes)",
- .base.cra_driver_name = "__ecb-aes-neonbs",
+ .base.cra_name = "ecb(aes)",
+ .base.cra_driver_name = "ecb-aes-neonbs",
.base.cra_priority = 250,
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct aesbs_ctx),
.base.cra_module = THIS_MODULE,
- .base.cra_flags = CRYPTO_ALG_INTERNAL,
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
@@ -446,13 +398,12 @@ static struct skcipher_alg aes_algs[] = { {
.encrypt = ecb_encrypt,
.decrypt = ecb_decrypt,
}, {
- .base.cra_name = "__cbc(aes)",
- .base.cra_driver_name = "__cbc-aes-neonbs",
+ .base.cra_name = "cbc(aes)",
+ .base.cra_driver_name = "cbc-aes-neonbs",
.base.cra_priority = 250,
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct aesbs_cbc_ctx),
.base.cra_module = THIS_MODULE,
- .base.cra_flags = CRYPTO_ALG_INTERNAL,
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
@@ -462,13 +413,12 @@ static struct skcipher_alg aes_algs[] = { {
.encrypt = cbc_encrypt,
.decrypt = cbc_decrypt,
}, {
- .base.cra_name = "__ctr(aes)",
- .base.cra_driver_name = "__ctr-aes-neonbs",
+ .base.cra_name = "ctr(aes)",
+ .base.cra_driver_name = "ctr-aes-neonbs",
.base.cra_priority = 250,
.base.cra_blocksize = 1,
.base.cra_ctxsize = sizeof(struct aesbs_ctx),
.base.cra_module = THIS_MODULE,
- .base.cra_flags = CRYPTO_ALG_INTERNAL,
.min_keysize = AES_MIN_KEY_SIZE,
.max_keysize = AES_MAX_KEY_SIZE,
@@ -479,29 +429,12 @@ static struct skcipher_alg aes_algs[] = { {
.encrypt = ctr_encrypt,
.decrypt = ctr_encrypt,
}, {
- .base.cra_name = "ctr(aes)",
- .base.cra_driver_name = "ctr-aes-neonbs",
- .base.cra_priority = 250 - 1,
- .base.cra_blocksize = 1,
- .base.cra_ctxsize = sizeof(struct aesbs_ctr_ctx),
- .base.cra_module = THIS_MODULE,
-
- .min_keysize = AES_MIN_KEY_SIZE,
- .max_keysize = AES_MAX_KEY_SIZE,
- .chunksize = AES_BLOCK_SIZE,
- .walksize = 8 * AES_BLOCK_SIZE,
- .ivsize = AES_BLOCK_SIZE,
- .setkey = aesbs_ctr_setkey_sync,
- .encrypt = ctr_encrypt_sync,
- .decrypt = ctr_encrypt_sync,
-}, {
- .base.cra_name = "__xts(aes)",
- .base.cra_driver_name = "__xts-aes-neonbs",
+ .base.cra_name = "xts(aes)",
+ .base.cra_driver_name = "xts-aes-neonbs",
.base.cra_priority = 250,
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct aesbs_xts_ctx),
.base.cra_module = THIS_MODULE,
- .base.cra_flags = CRYPTO_ALG_INTERNAL,
.min_keysize = 2 * AES_MIN_KEY_SIZE,
.max_keysize = 2 * AES_MAX_KEY_SIZE,
@@ -512,54 +445,17 @@ static struct skcipher_alg aes_algs[] = { {
.decrypt = xts_decrypt,
} };
-static struct simd_skcipher_alg *aes_simd_algs[ARRAY_SIZE(aes_algs)];
-
static void aes_exit(void)
{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(aes_simd_algs); i++)
- if (aes_simd_algs[i])
- simd_skcipher_free(aes_simd_algs[i]);
-
crypto_unregister_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
}
static int __init aes_init(void)
{
- struct simd_skcipher_alg *simd;
- const char *basename;
- const char *algname;
- const char *drvname;
- int err;
- int i;
-
if (!cpu_have_named_feature(ASIMD))
return -ENODEV;
- err = crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
- if (err)
- return err;
-
- for (i = 0; i < ARRAY_SIZE(aes_algs); i++) {
- if (!(aes_algs[i].base.cra_flags & CRYPTO_ALG_INTERNAL))
- continue;
-
- algname = aes_algs[i].base.cra_name + 2;
- drvname = aes_algs[i].base.cra_driver_name + 2;
- basename = aes_algs[i].base.cra_driver_name;
- simd = simd_skcipher_create_compat(algname, drvname, basename);
- err = PTR_ERR(simd);
- if (IS_ERR(simd))
- goto unregister_simds;
-
- aes_simd_algs[i] = simd;
- }
- return 0;
-
-unregister_simds:
- aes_exit();
- return err;
+ return crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs));
}
module_init(aes_init);
diff --git a/arch/arm64/crypto/crct10dif-ce-core.S b/arch/arm64/crypto/crct10dif-ce-core.S
index 111d9c9..dce6dce 100644
--- a/arch/arm64/crypto/crct10dif-ce-core.S
+++ b/arch/arm64/crypto/crct10dif-ce-core.S
@@ -68,10 +68,10 @@
.text
.arch armv8-a+crypto
- init_crc .req w19
- buf .req x20
- len .req x21
- fold_consts_ptr .req x22
+ init_crc .req w0
+ buf .req x1
+ len .req x2
+ fold_consts_ptr .req x3
fold_consts .req v10
@@ -257,12 +257,6 @@
.endm
.macro crc_t10dif_pmull, p
- frame_push 4, 128
-
- mov init_crc, w0
- mov buf, x1
- mov len, x2
-
__pmull_init_\p
// For sizes less than 256 bytes, we can't fold 128 bytes at a time.
@@ -317,26 +311,7 @@
fold_32_bytes \p, v6, v7
subs len, len, #128
- b.lt .Lfold_128_bytes_loop_done_\@
-
- if_will_cond_yield_neon
- stp q0, q1, [sp, #.Lframe_local_offset]
- stp q2, q3, [sp, #.Lframe_local_offset + 32]
- stp q4, q5, [sp, #.Lframe_local_offset + 64]
- stp q6, q7, [sp, #.Lframe_local_offset + 96]
- do_cond_yield_neon
- ldp q0, q1, [sp, #.Lframe_local_offset]
- ldp q2, q3, [sp, #.Lframe_local_offset + 32]
- ldp q4, q5, [sp, #.Lframe_local_offset + 64]
- ldp q6, q7, [sp, #.Lframe_local_offset + 96]
- ld1 {fold_consts.2d}, [fold_consts_ptr]
- __pmull_init_\p
- __pmull_pre_\p fold_consts
- endif_yield_neon
-
- b .Lfold_128_bytes_loop_\@
-
-.Lfold_128_bytes_loop_done_\@:
+ b.ge .Lfold_128_bytes_loop_\@
// Now fold the 112 bytes in v0-v6 into the 16 bytes in v7.
@@ -453,7 +428,9 @@
// Final CRC value (x^16 * M(x)) mod G(x) is in low 16 bits of v0.
umov w0, v0.h[0]
- frame_pop
+ .ifc \p, p8
+ ldp x29, x30, [sp], #16
+ .endif
ret
.Lless_than_256_bytes_\@:
@@ -489,7 +466,9 @@
// Assumes len >= 16.
//
SYM_FUNC_START(crc_t10dif_pmull_p8)
- crc_t10dif_pmull p8
+ stp x29, x30, [sp, #-16]!
+ mov x29, sp
+ crc_t10dif_pmull p8
SYM_FUNC_END(crc_t10dif_pmull_p8)
.align 5
diff --git a/arch/arm64/crypto/crct10dif-ce-glue.c b/arch/arm64/crypto/crct10dif-ce-glue.c
index ccc3f60..09eb145 100644
--- a/arch/arm64/crypto/crct10dif-ce-glue.c
+++ b/arch/arm64/crypto/crct10dif-ce-glue.c
@@ -37,9 +37,18 @@ static int crct10dif_update_pmull_p8(struct shash_desc *desc, const u8 *data,
u16 *crc = shash_desc_ctx(desc);
if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE && crypto_simd_usable()) {
- kernel_neon_begin();
- *crc = crc_t10dif_pmull_p8(*crc, data, length);
- kernel_neon_end();
+ do {
+ unsigned int chunk = length;
+
+ if (chunk > SZ_4K + CRC_T10DIF_PMULL_CHUNK_SIZE)
+ chunk = SZ_4K;
+
+ kernel_neon_begin();
+ *crc = crc_t10dif_pmull_p8(*crc, data, chunk);
+ kernel_neon_end();
+ data += chunk;
+ length -= chunk;
+ } while (length);
} else {
*crc = crc_t10dif_generic(*crc, data, length);
}
@@ -53,9 +62,18 @@ static int crct10dif_update_pmull_p64(struct shash_desc *desc, const u8 *data,
u16 *crc = shash_desc_ctx(desc);
if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE && crypto_simd_usable()) {
- kernel_neon_begin();
- *crc = crc_t10dif_pmull_p64(*crc, data, length);
- kernel_neon_end();
+ do {
+ unsigned int chunk = length;
+
+ if (chunk > SZ_4K + CRC_T10DIF_PMULL_CHUNK_SIZE)
+ chunk = SZ_4K;
+
+ kernel_neon_begin();
+ *crc = crc_t10dif_pmull_p64(*crc, data, chunk);
+ kernel_neon_end();
+ data += chunk;
+ length -= chunk;
+ } while (length);
} else {
*crc = crc_t10dif_generic(*crc, data, length);
}
diff --git a/arch/arm64/crypto/ghash-ce-core.S b/arch/arm64/crypto/ghash-ce-core.S
index 6b958dc..7868330 100644
--- a/arch/arm64/crypto/ghash-ce-core.S
+++ b/arch/arm64/crypto/ghash-ce-core.S
@@ -544,7 +544,22 @@
ext XL.16b, XL.16b, XL.16b, #8
rev64 XL.16b, XL.16b
eor XL.16b, XL.16b, KS0.16b
+
+ .if \enc == 1
st1 {XL.16b}, [x10] // store tag
+ .else
+ ldp x11, x12, [sp, #40] // load tag pointer and authsize
+ adr_l x17, .Lpermute_table
+ ld1 {KS0.16b}, [x11] // load supplied tag
+ add x17, x17, x12
+ ld1 {KS1.16b}, [x17] // load permute vector
+
+ cmeq XL.16b, XL.16b, KS0.16b // compare tags
+ mvn XL.16b, XL.16b // -1 for fail, 0 for pass
+ tbl XL.16b, {XL.16b}, KS1.16b // keep authsize bytes only
+ sminv b0, XL.16b // signed minimum across XL
+ smov w0, v0.b[0] // return b0
+ .endif
4: ldp x29, x30, [sp], #32
ret
diff --git a/arch/arm64/crypto/ghash-ce-glue.c b/arch/arm64/crypto/ghash-ce-glue.c
index 8536008..184602a 100644
--- a/arch/arm64/crypto/ghash-ce-glue.c
+++ b/arch/arm64/crypto/ghash-ce-glue.c
@@ -55,10 +55,10 @@ asmlinkage void pmull_ghash_update_p8(int blocks, u64 dg[], const char *src,
asmlinkage void pmull_gcm_encrypt(int bytes, u8 dst[], const u8 src[],
u64 const h[][2], u64 dg[], u8 ctr[],
u32 const rk[], int rounds, u8 tag[]);
-
-asmlinkage void pmull_gcm_decrypt(int bytes, u8 dst[], const u8 src[],
- u64 const h[][2], u64 dg[], u8 ctr[],
- u32 const rk[], int rounds, u8 tag[]);
+asmlinkage int pmull_gcm_decrypt(int bytes, u8 dst[], const u8 src[],
+ u64 const h[][2], u64 dg[], u8 ctr[],
+ u32 const rk[], int rounds, const u8 l[],
+ const u8 tag[], u64 authsize);
static int ghash_init(struct shash_desc *desc)
{
@@ -458,6 +458,7 @@ static int gcm_decrypt(struct aead_request *req)
unsigned int authsize = crypto_aead_authsize(aead);
int nrounds = num_rounds(&ctx->aes_key);
struct skcipher_walk walk;
+ u8 otag[AES_BLOCK_SIZE];
u8 buf[AES_BLOCK_SIZE];
u8 iv[AES_BLOCK_SIZE];
u64 dg[2] = {};
@@ -474,9 +475,15 @@ static int gcm_decrypt(struct aead_request *req)
memcpy(iv, req->iv, GCM_IV_SIZE);
put_unaligned_be32(2, iv + GCM_IV_SIZE);
+ scatterwalk_map_and_copy(otag, req->src,
+ req->assoclen + req->cryptlen - authsize,
+ authsize, 0);
+
err = skcipher_walk_aead_decrypt(&walk, req, false);
if (likely(crypto_simd_usable())) {
+ int ret;
+
do {
const u8 *src = walk.src.virt.addr;
u8 *dst = walk.dst.virt.addr;
@@ -493,9 +500,10 @@ static int gcm_decrypt(struct aead_request *req)
}
kernel_neon_begin();
- pmull_gcm_decrypt(nbytes, dst, src, ctx->ghash_key.h,
- dg, iv, ctx->aes_key.key_enc, nrounds,
- tag);
+ ret = pmull_gcm_decrypt(nbytes, dst, src,
+ ctx->ghash_key.h,
+ dg, iv, ctx->aes_key.key_enc,
+ nrounds, tag, otag, authsize);
kernel_neon_end();
if (unlikely(!nbytes))
@@ -507,6 +515,11 @@ static int gcm_decrypt(struct aead_request *req)
err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
} while (walk.nbytes);
+
+ if (err)
+ return err;
+ if (ret)
+ return -EBADMSG;
} else {
while (walk.nbytes >= AES_BLOCK_SIZE) {
int blocks = walk.nbytes / AES_BLOCK_SIZE;
@@ -548,23 +561,20 @@ static int gcm_decrypt(struct aead_request *req)
err = skcipher_walk_done(&walk, 0);
}
+ if (err)
+ return err;
+
put_unaligned_be64(dg[1], tag);
put_unaligned_be64(dg[0], tag + 8);
put_unaligned_be32(1, iv + GCM_IV_SIZE);
aes_encrypt(&ctx->aes_key, iv, iv);
crypto_xor(tag, iv, AES_BLOCK_SIZE);
+
+ if (crypto_memneq(tag, otag, authsize)) {
+ memzero_explicit(tag, AES_BLOCK_SIZE);
+ return -EBADMSG;
+ }
}
-
- if (err)
- return err;
-
- /* compare calculated auth tag with the stored one */
- scatterwalk_map_and_copy(buf, req->src,
- req->assoclen + req->cryptlen - authsize,
- authsize, 0);
-
- if (crypto_memneq(tag, buf, authsize))
- return -EBADMSG;
return 0;
}
diff --git a/arch/arm64/crypto/sha1-ce-core.S b/arch/arm64/crypto/sha1-ce-core.S
index 92d0d27..889ca0f 100644
--- a/arch/arm64/crypto/sha1-ce-core.S
+++ b/arch/arm64/crypto/sha1-ce-core.S
@@ -62,40 +62,34 @@
.endm
/*
- * void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
- * int blocks)
+ * int sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
+ * int blocks)
*/
SYM_FUNC_START(sha1_ce_transform)
- frame_push 3
-
- mov x19, x0
- mov x20, x1
- mov x21, x2
-
/* load round constants */
-0: loadrc k0.4s, 0x5a827999, w6
+ loadrc k0.4s, 0x5a827999, w6
loadrc k1.4s, 0x6ed9eba1, w6
loadrc k2.4s, 0x8f1bbcdc, w6
loadrc k3.4s, 0xca62c1d6, w6
/* load state */
- ld1 {dgav.4s}, [x19]
- ldr dgb, [x19, #16]
+ ld1 {dgav.4s}, [x0]
+ ldr dgb, [x0, #16]
/* load sha1_ce_state::finalize */
ldr_l w4, sha1_ce_offsetof_finalize, x4
- ldr w4, [x19, x4]
+ ldr w4, [x0, x4]
/* load input */
-1: ld1 {v8.4s-v11.4s}, [x20], #64
- sub w21, w21, #1
+0: ld1 {v8.4s-v11.4s}, [x1], #64
+ sub w2, w2, #1
CPU_LE( rev32 v8.16b, v8.16b )
CPU_LE( rev32 v9.16b, v9.16b )
CPU_LE( rev32 v10.16b, v10.16b )
CPU_LE( rev32 v11.16b, v11.16b )
-2: add t0.4s, v8.4s, k0.4s
+1: add t0.4s, v8.4s, k0.4s
mov dg0v.16b, dgav.16b
add_update c, ev, k0, 8, 9, 10, 11, dgb
@@ -126,25 +120,18 @@
add dgbv.2s, dgbv.2s, dg1v.2s
add dgav.4s, dgav.4s, dg0v.4s
- cbz w21, 3f
-
- if_will_cond_yield_neon
- st1 {dgav.4s}, [x19]
- str dgb, [x19, #16]
- do_cond_yield_neon
+ cbz w2, 2f
+ cond_yield 3f, x5, x6
b 0b
- endif_yield_neon
-
- b 1b
/*
* Final block: add padding and total bit count.
* Skip if the input size was not a round multiple of the block size,
* the padding is handled by the C code in that case.
*/
-3: cbz x4, 4f
+2: cbz x4, 3f
ldr_l w4, sha1_ce_offsetof_count, x4
- ldr x4, [x19, x4]
+ ldr x4, [x0, x4]
movi v9.2d, #0
mov x8, #0x80000000
movi v10.2d, #0
@@ -153,11 +140,11 @@
mov x4, #0
mov v11.d[0], xzr
mov v11.d[1], x7
- b 2b
+ b 1b
/* store new state */
-4: st1 {dgav.4s}, [x19]
- str dgb, [x19, #16]
- frame_pop
+3: st1 {dgav.4s}, [x0]
+ str dgb, [x0, #16]
+ mov w0, w2
ret
SYM_FUNC_END(sha1_ce_transform)
diff --git a/arch/arm64/crypto/sha1-ce-glue.c b/arch/arm64/crypto/sha1-ce-glue.c
index 8baf8d1..c175765 100644
--- a/arch/arm64/crypto/sha1-ce-glue.c
+++ b/arch/arm64/crypto/sha1-ce-glue.c
@@ -29,14 +29,22 @@ struct sha1_ce_state {
extern const u32 sha1_ce_offsetof_count;
extern const u32 sha1_ce_offsetof_finalize;
-asmlinkage void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
- int blocks);
+asmlinkage int sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
+ int blocks);
static void __sha1_ce_transform(struct sha1_state *sst, u8 const *src,
int blocks)
{
- sha1_ce_transform(container_of(sst, struct sha1_ce_state, sst), src,
- blocks);
+ while (blocks) {
+ int rem;
+
+ kernel_neon_begin();
+ rem = sha1_ce_transform(container_of(sst, struct sha1_ce_state,
+ sst), src, blocks);
+ kernel_neon_end();
+ src += (blocks - rem) * SHA1_BLOCK_SIZE;
+ blocks = rem;
+ }
}
const u32 sha1_ce_offsetof_count = offsetof(struct sha1_ce_state, sst.count);
@@ -51,9 +59,7 @@ static int sha1_ce_update(struct shash_desc *desc, const u8 *data,
return crypto_sha1_update(desc, data, len);
sctx->finalize = 0;
- kernel_neon_begin();
sha1_base_do_update(desc, data, len, __sha1_ce_transform);
- kernel_neon_end();
return 0;
}
@@ -73,11 +79,9 @@ static int sha1_ce_finup(struct shash_desc *desc, const u8 *data,
*/
sctx->finalize = finalize;
- kernel_neon_begin();
sha1_base_do_update(desc, data, len, __sha1_ce_transform);
if (!finalize)
sha1_base_do_finalize(desc, __sha1_ce_transform);
- kernel_neon_end();
return sha1_base_finish(desc, out);
}
@@ -89,9 +93,7 @@ static int sha1_ce_final(struct shash_desc *desc, u8 *out)
return crypto_sha1_finup(desc, NULL, 0, out);
sctx->finalize = 0;
- kernel_neon_begin();
sha1_base_do_finalize(desc, __sha1_ce_transform);
- kernel_neon_end();
return sha1_base_finish(desc, out);
}
diff --git a/arch/arm64/crypto/sha2-ce-core.S b/arch/arm64/crypto/sha2-ce-core.S
index 3f9d0f3..49117992 100644
--- a/arch/arm64/crypto/sha2-ce-core.S
+++ b/arch/arm64/crypto/sha2-ce-core.S
@@ -76,36 +76,30 @@
*/
.text
SYM_FUNC_START(sha2_ce_transform)
- frame_push 3
-
- mov x19, x0
- mov x20, x1
- mov x21, x2
-
/* load round constants */
-0: adr_l x8, .Lsha2_rcon
+ adr_l x8, .Lsha2_rcon
ld1 { v0.4s- v3.4s}, [x8], #64
ld1 { v4.4s- v7.4s}, [x8], #64
ld1 { v8.4s-v11.4s}, [x8], #64
ld1 {v12.4s-v15.4s}, [x8]
/* load state */
- ld1 {dgav.4s, dgbv.4s}, [x19]
+ ld1 {dgav.4s, dgbv.4s}, [x0]
/* load sha256_ce_state::finalize */
ldr_l w4, sha256_ce_offsetof_finalize, x4
- ldr w4, [x19, x4]
+ ldr w4, [x0, x4]
/* load input */
-1: ld1 {v16.4s-v19.4s}, [x20], #64
- sub w21, w21, #1
+0: ld1 {v16.4s-v19.4s}, [x1], #64
+ sub w2, w2, #1
CPU_LE( rev32 v16.16b, v16.16b )
CPU_LE( rev32 v17.16b, v17.16b )
CPU_LE( rev32 v18.16b, v18.16b )
CPU_LE( rev32 v19.16b, v19.16b )
-2: add t0.4s, v16.4s, v0.4s
+1: add t0.4s, v16.4s, v0.4s
mov dg0v.16b, dgav.16b
mov dg1v.16b, dgbv.16b
@@ -134,24 +128,18 @@
add dgbv.4s, dgbv.4s, dg1v.4s
/* handled all input blocks? */
- cbz w21, 3f
-
- if_will_cond_yield_neon
- st1 {dgav.4s, dgbv.4s}, [x19]
- do_cond_yield_neon
+ cbz w2, 2f
+ cond_yield 3f, x5, x6
b 0b
- endif_yield_neon
-
- b 1b
/*
* Final block: add padding and total bit count.
* Skip if the input size was not a round multiple of the block size,
* the padding is handled by the C code in that case.
*/
-3: cbz x4, 4f
+2: cbz x4, 3f
ldr_l w4, sha256_ce_offsetof_count, x4
- ldr x4, [x19, x4]
+ ldr x4, [x0, x4]
movi v17.2d, #0
mov x8, #0x80000000
movi v18.2d, #0
@@ -160,10 +148,10 @@
mov x4, #0
mov v19.d[0], xzr
mov v19.d[1], x7
- b 2b
+ b 1b
/* store new state */
-4: st1 {dgav.4s, dgbv.4s}, [x19]
- frame_pop
+3: st1 {dgav.4s, dgbv.4s}, [x0]
+ mov w0, w2
ret
SYM_FUNC_END(sha2_ce_transform)
diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c
index d33d3ee..1cfc4f6 100644
--- a/arch/arm64/crypto/sha2-ce-glue.c
+++ b/arch/arm64/crypto/sha2-ce-glue.c
@@ -30,14 +30,22 @@ struct sha256_ce_state {
extern const u32 sha256_ce_offsetof_count;
extern const u32 sha256_ce_offsetof_finalize;
-asmlinkage void sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
- int blocks);
+asmlinkage int sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
+ int blocks);
static void __sha2_ce_transform(struct sha256_state *sst, u8 const *src,
int blocks)
{
- sha2_ce_transform(container_of(sst, struct sha256_ce_state, sst), src,
- blocks);
+ while (blocks) {
+ int rem;
+
+ kernel_neon_begin();
+ rem = sha2_ce_transform(container_of(sst, struct sha256_ce_state,
+ sst), src, blocks);
+ kernel_neon_end();
+ src += (blocks - rem) * SHA256_BLOCK_SIZE;
+ blocks = rem;
+ }
}
const u32 sha256_ce_offsetof_count = offsetof(struct sha256_ce_state,
@@ -63,9 +71,7 @@ static int sha256_ce_update(struct shash_desc *desc, const u8 *data,
__sha256_block_data_order);
sctx->finalize = 0;
- kernel_neon_begin();
sha256_base_do_update(desc, data, len, __sha2_ce_transform);
- kernel_neon_end();
return 0;
}
@@ -90,11 +96,9 @@ static int sha256_ce_finup(struct shash_desc *desc, const u8 *data,
*/
sctx->finalize = finalize;
- kernel_neon_begin();
sha256_base_do_update(desc, data, len, __sha2_ce_transform);
if (!finalize)
sha256_base_do_finalize(desc, __sha2_ce_transform);
- kernel_neon_end();
return sha256_base_finish(desc, out);
}
@@ -108,9 +112,7 @@ static int sha256_ce_final(struct shash_desc *desc, u8 *out)
}
sctx->finalize = 0;
- kernel_neon_begin();
sha256_base_do_finalize(desc, __sha2_ce_transform);
- kernel_neon_end();
return sha256_base_finish(desc, out);
}
diff --git a/arch/arm64/crypto/sha3-ce-core.S b/arch/arm64/crypto/sha3-ce-core.S
index 1cfb768..9c77313 100644
--- a/arch/arm64/crypto/sha3-ce-core.S
+++ b/arch/arm64/crypto/sha3-ce-core.S
@@ -37,20 +37,13 @@
.endm
/*
- * sha3_ce_transform(u64 *st, const u8 *data, int blocks, int dg_size)
+ * int sha3_ce_transform(u64 *st, const u8 *data, int blocks, int dg_size)
*/
.text
SYM_FUNC_START(sha3_ce_transform)
- frame_push 4
-
- mov x19, x0
- mov x20, x1
- mov x21, x2
- mov x22, x3
-
-0: /* load state */
- add x8, x19, #32
- ld1 { v0.1d- v3.1d}, [x19]
+ /* load state */
+ add x8, x0, #32
+ ld1 { v0.1d- v3.1d}, [x0]
ld1 { v4.1d- v7.1d}, [x8], #32
ld1 { v8.1d-v11.1d}, [x8], #32
ld1 {v12.1d-v15.1d}, [x8], #32
@@ -58,13 +51,13 @@
ld1 {v20.1d-v23.1d}, [x8], #32
ld1 {v24.1d}, [x8]
-1: sub w21, w21, #1
+0: sub w2, w2, #1
mov w8, #24
adr_l x9, .Lsha3_rcon
/* load input */
- ld1 {v25.8b-v28.8b}, [x20], #32
- ld1 {v29.8b-v31.8b}, [x20], #24
+ ld1 {v25.8b-v28.8b}, [x1], #32
+ ld1 {v29.8b-v31.8b}, [x1], #24
eor v0.8b, v0.8b, v25.8b
eor v1.8b, v1.8b, v26.8b
eor v2.8b, v2.8b, v27.8b
@@ -73,10 +66,10 @@
eor v5.8b, v5.8b, v30.8b
eor v6.8b, v6.8b, v31.8b
- tbnz x22, #6, 3f // SHA3-512
+ tbnz x3, #6, 2f // SHA3-512
- ld1 {v25.8b-v28.8b}, [x20], #32
- ld1 {v29.8b-v30.8b}, [x20], #16
+ ld1 {v25.8b-v28.8b}, [x1], #32
+ ld1 {v29.8b-v30.8b}, [x1], #16
eor v7.8b, v7.8b, v25.8b
eor v8.8b, v8.8b, v26.8b
eor v9.8b, v9.8b, v27.8b
@@ -84,34 +77,34 @@
eor v11.8b, v11.8b, v29.8b
eor v12.8b, v12.8b, v30.8b
- tbnz x22, #4, 2f // SHA3-384 or SHA3-224
+ tbnz x3, #4, 1f // SHA3-384 or SHA3-224
// SHA3-256
- ld1 {v25.8b-v28.8b}, [x20], #32
+ ld1 {v25.8b-v28.8b}, [x1], #32
eor v13.8b, v13.8b, v25.8b
eor v14.8b, v14.8b, v26.8b
eor v15.8b, v15.8b, v27.8b
eor v16.8b, v16.8b, v28.8b
- b 4f
+ b 3f
-2: tbz x22, #2, 4f // bit 2 cleared? SHA-384
+1: tbz x3, #2, 3f // bit 2 cleared? SHA-384
// SHA3-224
- ld1 {v25.8b-v28.8b}, [x20], #32
- ld1 {v29.8b}, [x20], #8
+ ld1 {v25.8b-v28.8b}, [x1], #32
+ ld1 {v29.8b}, [x1], #8
eor v13.8b, v13.8b, v25.8b
eor v14.8b, v14.8b, v26.8b
eor v15.8b, v15.8b, v27.8b
eor v16.8b, v16.8b, v28.8b
eor v17.8b, v17.8b, v29.8b
- b 4f
+ b 3f
// SHA3-512
-3: ld1 {v25.8b-v26.8b}, [x20], #16
+2: ld1 {v25.8b-v26.8b}, [x1], #16
eor v7.8b, v7.8b, v25.8b
eor v8.8b, v8.8b, v26.8b
-4: sub w8, w8, #1
+3: sub w8, w8, #1
eor3 v29.16b, v4.16b, v9.16b, v14.16b
eor3 v26.16b, v1.16b, v6.16b, v11.16b
@@ -190,33 +183,19 @@
eor v0.16b, v0.16b, v31.16b
- cbnz w8, 4b
- cbz w21, 5f
-
- if_will_cond_yield_neon
- add x8, x19, #32
- st1 { v0.1d- v3.1d}, [x19]
- st1 { v4.1d- v7.1d}, [x8], #32
- st1 { v8.1d-v11.1d}, [x8], #32
- st1 {v12.1d-v15.1d}, [x8], #32
- st1 {v16.1d-v19.1d}, [x8], #32
- st1 {v20.1d-v23.1d}, [x8], #32
- st1 {v24.1d}, [x8]
- do_cond_yield_neon
- b 0b
- endif_yield_neon
-
- b 1b
+ cbnz w8, 3b
+ cond_yield 4f, x8, x9
+ cbnz w2, 0b
/* save state */
-5: st1 { v0.1d- v3.1d}, [x19], #32
- st1 { v4.1d- v7.1d}, [x19], #32
- st1 { v8.1d-v11.1d}, [x19], #32
- st1 {v12.1d-v15.1d}, [x19], #32
- st1 {v16.1d-v19.1d}, [x19], #32
- st1 {v20.1d-v23.1d}, [x19], #32
- st1 {v24.1d}, [x19]
- frame_pop
+4: st1 { v0.1d- v3.1d}, [x0], #32
+ st1 { v4.1d- v7.1d}, [x0], #32
+ st1 { v8.1d-v11.1d}, [x0], #32
+ st1 {v12.1d-v15.1d}, [x0], #32
+ st1 {v16.1d-v19.1d}, [x0], #32
+ st1 {v20.1d-v23.1d}, [x0], #32
+ st1 {v24.1d}, [x0]
+ mov w0, w2
ret
SYM_FUNC_END(sha3_ce_transform)
diff --git a/arch/arm64/crypto/sha3-ce-glue.c b/arch/arm64/crypto/sha3-ce-glue.c
index ddf7aca..d6cfb79 100644
--- a/arch/arm64/crypto/sha3-ce-glue.c
+++ b/arch/arm64/crypto/sha3-ce-glue.c
@@ -28,8 +28,8 @@ MODULE_ALIAS_CRYPTO("sha3-256");
MODULE_ALIAS_CRYPTO("sha3-384");
MODULE_ALIAS_CRYPTO("sha3-512");
-asmlinkage void sha3_ce_transform(u64 *st, const u8 *data, int blocks,
- int md_len);
+asmlinkage int sha3_ce_transform(u64 *st, const u8 *data, int blocks,
+ int md_len);
static int sha3_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
@@ -59,11 +59,15 @@ static int sha3_update(struct shash_desc *desc, const u8 *data,
blocks = len / sctx->rsiz;
len %= sctx->rsiz;
- if (blocks) {
+ while (blocks) {
+ int rem;
+
kernel_neon_begin();
- sha3_ce_transform(sctx->st, data, blocks, digest_size);
+ rem = sha3_ce_transform(sctx->st, data, blocks,
+ digest_size);
kernel_neon_end();
- data += blocks * sctx->rsiz;
+ data += (blocks - rem) * sctx->rsiz;
+ blocks = rem;
}
}
diff --git a/arch/arm64/crypto/sha512-ce-core.S b/arch/arm64/crypto/sha512-ce-core.S
index cde606c..b6a3a36 100644
--- a/arch/arm64/crypto/sha512-ce-core.S
+++ b/arch/arm64/crypto/sha512-ce-core.S
@@ -107,23 +107,17 @@
*/
.text
SYM_FUNC_START(sha512_ce_transform)
- frame_push 3
-
- mov x19, x0
- mov x20, x1
- mov x21, x2
-
/* load state */
-0: ld1 {v8.2d-v11.2d}, [x19]
+ ld1 {v8.2d-v11.2d}, [x0]
/* load first 4 round constants */
adr_l x3, .Lsha512_rcon
ld1 {v20.2d-v23.2d}, [x3], #64
/* load input */
-1: ld1 {v12.2d-v15.2d}, [x20], #64
- ld1 {v16.2d-v19.2d}, [x20], #64
- sub w21, w21, #1
+0: ld1 {v12.2d-v15.2d}, [x1], #64
+ ld1 {v16.2d-v19.2d}, [x1], #64
+ sub w2, w2, #1
CPU_LE( rev64 v12.16b, v12.16b )
CPU_LE( rev64 v13.16b, v13.16b )
@@ -201,19 +195,12 @@
add v10.2d, v10.2d, v2.2d
add v11.2d, v11.2d, v3.2d
+ cond_yield 3f, x4, x5
/* handled all input blocks? */
- cbz w21, 3f
-
- if_will_cond_yield_neon
- st1 {v8.2d-v11.2d}, [x19]
- do_cond_yield_neon
- b 0b
- endif_yield_neon
-
- b 1b
+ cbnz w2, 0b
/* store new state */
-3: st1 {v8.2d-v11.2d}, [x19]
- frame_pop
+3: st1 {v8.2d-v11.2d}, [x0]
+ mov w0, w2
ret
SYM_FUNC_END(sha512_ce_transform)
diff --git a/arch/arm64/crypto/sha512-ce-glue.c b/arch/arm64/crypto/sha512-ce-glue.c
index 57c6f086..04adf2c 100644
--- a/arch/arm64/crypto/sha512-ce-glue.c
+++ b/arch/arm64/crypto/sha512-ce-glue.c
@@ -26,11 +26,25 @@ MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("sha384");
MODULE_ALIAS_CRYPTO("sha512");
-asmlinkage void sha512_ce_transform(struct sha512_state *sst, u8 const *src,
- int blocks);
+asmlinkage int sha512_ce_transform(struct sha512_state *sst, u8 const *src,
+ int blocks);
asmlinkage void sha512_block_data_order(u64 *digest, u8 const *src, int blocks);
+static void __sha512_ce_transform(struct sha512_state *sst, u8 const *src,
+ int blocks)
+{
+ while (blocks) {
+ int rem;
+
+ kernel_neon_begin();
+ rem = sha512_ce_transform(sst, src, blocks);
+ kernel_neon_end();
+ src += (blocks - rem) * SHA512_BLOCK_SIZE;
+ blocks = rem;
+ }
+}
+
static void __sha512_block_data_order(struct sha512_state *sst, u8 const *src,
int blocks)
{
@@ -40,45 +54,30 @@ static void __sha512_block_data_order(struct sha512_state *sst, u8 const *src,
static int sha512_ce_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
- if (!crypto_simd_usable())
- return sha512_base_do_update(desc, data, len,
- __sha512_block_data_order);
+ sha512_block_fn *fn = crypto_simd_usable() ? __sha512_ce_transform
+ : __sha512_block_data_order;
- kernel_neon_begin();
- sha512_base_do_update(desc, data, len, sha512_ce_transform);
- kernel_neon_end();
-
+ sha512_base_do_update(desc, data, len, fn);
return 0;
}
static int sha512_ce_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
- if (!crypto_simd_usable()) {
- if (len)
- sha512_base_do_update(desc, data, len,
- __sha512_block_data_order);
- sha512_base_do_finalize(desc, __sha512_block_data_order);
- return sha512_base_finish(desc, out);
- }
+ sha512_block_fn *fn = crypto_simd_usable() ? __sha512_ce_transform
+ : __sha512_block_data_order;
- kernel_neon_begin();
- sha512_base_do_update(desc, data, len, sha512_ce_transform);
- sha512_base_do_finalize(desc, sha512_ce_transform);
- kernel_neon_end();
+ sha512_base_do_update(desc, data, len, fn);
+ sha512_base_do_finalize(desc, fn);
return sha512_base_finish(desc, out);
}
static int sha512_ce_final(struct shash_desc *desc, u8 *out)
{
- if (!crypto_simd_usable()) {
- sha512_base_do_finalize(desc, __sha512_block_data_order);
- return sha512_base_finish(desc, out);
- }
+ sha512_block_fn *fn = crypto_simd_usable() ? __sha512_ce_transform
+ : __sha512_block_data_order;
- kernel_neon_begin();
- sha512_base_do_finalize(desc, sha512_ce_transform);
- kernel_neon_end();
+ sha512_base_do_finalize(desc, fn);
return sha512_base_finish(desc, out);
}
diff --git a/arch/arm64/include/asm/alternative-macros.h b/arch/arm64/include/asm/alternative-macros.h
new file mode 100644
index 0000000..5cc2c8f
--- /dev/null
+++ b/arch/arm64/include/asm/alternative-macros.h
@@ -0,0 +1,247 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_ALTERNATIVE_MACROS_H
+#define __ASM_ALTERNATIVE_MACROS_H
+
+#include <asm/cpucaps.h>
+
+#define ARM64_CB_PATCH ARM64_NCAPS
+
+/* A64 instructions are always 32 bits. */
+#define AARCH64_INSN_SIZE 4
+
+#ifndef BUILD_FIPS140_KO
+#ifndef __ASSEMBLY__
+
+#include <linux/stringify.h>
+
+#define ALTINSTR_ENTRY(feature) \
+ " .word 661b - .\n" /* label */ \
+ " .word 663f - .\n" /* new instruction */ \
+ " .hword " __stringify(feature) "\n" /* feature bit */ \
+ " .byte 662b-661b\n" /* source len */ \
+ " .byte 664f-663f\n" /* replacement len */
+
+#define ALTINSTR_ENTRY_CB(feature, cb) \
+ " .word 661b - .\n" /* label */ \
+ " .word " __stringify(cb) "- .\n" /* callback */ \
+ " .hword " __stringify(feature) "\n" /* feature bit */ \
+ " .byte 662b-661b\n" /* source len */ \
+ " .byte 664f-663f\n" /* replacement len */
+
+/*
+ * alternative assembly primitive:
+ *
+ * If any of these .org directive fail, it means that insn1 and insn2
+ * don't have the same length. This used to be written as
+ *
+ * .if ((664b-663b) != (662b-661b))
+ * .error "Alternatives instruction length mismatch"
+ * .endif
+ *
+ * but most assemblers die if insn1 or insn2 have a .inst. This should
+ * be fixed in a binutils release posterior to 2.25.51.0.2 (anything
+ * containing commit 4e4d08cf7399b606 or c1baaddf8861).
+ *
+ * Alternatives with callbacks do not generate replacement instructions.
+ */
+#define __ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg_enabled) \
+ ".if "__stringify(cfg_enabled)" == 1\n" \
+ "661:\n\t" \
+ oldinstr "\n" \
+ "662:\n" \
+ ".pushsection .altinstructions,\"a\"\n" \
+ ALTINSTR_ENTRY(feature) \
+ ".popsection\n" \
+ ".subsection 1\n" \
+ "663:\n\t" \
+ newinstr "\n" \
+ "664:\n\t" \
+ ".org . - (664b-663b) + (662b-661b)\n\t" \
+ ".org . - (662b-661b) + (664b-663b)\n\t" \
+ ".previous\n" \
+ ".endif\n"
+
+#define __ALTERNATIVE_CFG_CB(oldinstr, feature, cfg_enabled, cb) \
+ ".if "__stringify(cfg_enabled)" == 1\n" \
+ "661:\n\t" \
+ oldinstr "\n" \
+ "662:\n" \
+ ".pushsection .altinstructions,\"a\"\n" \
+ ALTINSTR_ENTRY_CB(feature, cb) \
+ ".popsection\n" \
+ "663:\n\t" \
+ "664:\n\t" \
+ ".endif\n"
+
+#define _ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg, ...) \
+ __ALTERNATIVE_CFG(oldinstr, newinstr, feature, IS_ENABLED(cfg))
+
+#define ALTERNATIVE_CB(oldinstr, cb) \
+ __ALTERNATIVE_CFG_CB(oldinstr, ARM64_CB_PATCH, 1, cb)
+#else
+
+#include <asm/assembler.h>
+
+.macro altinstruction_entry orig_offset alt_offset feature orig_len alt_len
+ .word \orig_offset - .
+ .word \alt_offset - .
+ .hword \feature
+ .byte \orig_len
+ .byte \alt_len
+.endm
+
+.macro alternative_insn insn1, insn2, cap, enable = 1
+ .if \enable
+661: \insn1
+662: .pushsection .altinstructions, "a"
+ altinstruction_entry 661b, 663f, \cap, 662b-661b, 664f-663f
+ .popsection
+ .subsection 1
+663: \insn2
+664: .org . - (664b-663b) + (662b-661b)
+ .org . - (662b-661b) + (664b-663b)
+ .previous
+ .endif
+.endm
+
+/*
+ * Alternative sequences
+ *
+ * The code for the case where the capability is not present will be
+ * assembled and linked as normal. There are no restrictions on this
+ * code.
+ *
+ * The code for the case where the capability is present will be
+ * assembled into a special section to be used for dynamic patching.
+ * Code for that case must:
+ *
+ * 1. Be exactly the same length (in bytes) as the default code
+ * sequence.
+ *
+ * 2. Not contain a branch target that is used outside of the
+ * alternative sequence it is defined in (branches into an
+ * alternative sequence are not fixed up).
+ */
+
+/*
+ * Begin an alternative code sequence.
+ */
+.macro alternative_if_not cap
+ .set .Lasm_alt_mode, 0
+ .pushsection .altinstructions, "a"
+ altinstruction_entry 661f, 663f, \cap, 662f-661f, 664f-663f
+ .popsection
+661:
+.endm
+
+.macro alternative_if cap
+ .set .Lasm_alt_mode, 1
+ .pushsection .altinstructions, "a"
+ altinstruction_entry 663f, 661f, \cap, 664f-663f, 662f-661f
+ .popsection
+ .subsection 1
+ .align 2 /* So GAS knows label 661 is suitably aligned */
+661:
+.endm
+
+.macro alternative_cb cb
+ .set .Lasm_alt_mode, 0
+ .pushsection .altinstructions, "a"
+ altinstruction_entry 661f, \cb, ARM64_CB_PATCH, 662f-661f, 0
+ .popsection
+661:
+.endm
+
+/*
+ * Provide the other half of the alternative code sequence.
+ */
+.macro alternative_else
+662:
+ .if .Lasm_alt_mode==0
+ .subsection 1
+ .else
+ .previous
+ .endif
+663:
+.endm
+
+/*
+ * Complete an alternative code sequence.
+ */
+.macro alternative_endif
+664:
+ .org . - (664b-663b) + (662b-661b)
+ .org . - (662b-661b) + (664b-663b)
+ .if .Lasm_alt_mode==0
+ .previous
+ .endif
+.endm
+
+/*
+ * Callback-based alternative epilogue
+ */
+.macro alternative_cb_end
+662:
+.endm
+
+/*
+ * Provides a trivial alternative or default sequence consisting solely
+ * of NOPs. The number of NOPs is chosen automatically to match the
+ * previous case.
+ */
+.macro alternative_else_nop_endif
+alternative_else
+ nops (662b-661b) / AARCH64_INSN_SIZE
+alternative_endif
+.endm
+
+#define _ALTERNATIVE_CFG(insn1, insn2, cap, cfg, ...) \
+ alternative_insn insn1, insn2, cap, IS_ENABLED(cfg)
+
+.macro user_alt, label, oldinstr, newinstr, cond
+9999: alternative_insn "\oldinstr", "\newinstr", \cond
+ _asm_extable 9999b, \label
+.endm
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature));
+ *
+ * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature, CONFIG_FOO));
+ * N.B. If CONFIG_FOO is specified, but not selected, the whole block
+ * will be omitted, including oldinstr.
+ */
+#define ALTERNATIVE(oldinstr, newinstr, ...) \
+ _ALTERNATIVE_CFG(oldinstr, newinstr, __VA_ARGS__, 1)
+
+#else
+
+/*
+ * The FIPS140 module does not support alternatives patching, as this
+ * invalidates the HMAC digest of the .text section. However, some alternatives
+ * are known to be irrelevant so we can tolerate them in the FIPS140 module, as
+ * they will never be applied in the first place in the use cases that the
+ * FIPS140 module targets (Android running on a production phone). Any other
+ * uses of alternatives should be avoided, as it is not safe in the general
+ * case to simply use the default sequence in one place (the fips module) and
+ * the alternative sequence everywhere else.
+ *
+ * Below is an allowlist of features that we can ignore, by simply taking the
+ * safe default instruction sequence. Note that this implies that the FIPS140
+ * module is not compatible with VHE, or with pseudo-NMI support.
+ */
+
+#define __ALT_ARM64_HAS_LDAPR 0,
+#define __ALT_ARM64_HAS_VIRT_HOST_EXTN 0,
+#define __ALT_ARM64_HAS_IRQ_PRIO_MASKING 0,
+
+#define ALTERNATIVE(oldinstr, newinstr, feature, ...) \
+ _ALTERNATIVE(oldinstr, __ALT_ ## feature, #feature)
+
+#define _ALTERNATIVE(oldinstr, feature, feature_str) \
+ __take_second_arg(feature oldinstr, \
+ ".err Feature " feature_str " not supported in fips140 module")
+
+#endif /* BUILD_FIPS140_KO */
+#endif /* __ASM_ALTERNATIVE_MACROS_H */
diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h
index 3cb3c4a..a38b92e 100644
--- a/arch/arm64/include/asm/alternative.h
+++ b/arch/arm64/include/asm/alternative.h
@@ -2,17 +2,13 @@
#ifndef __ASM_ALTERNATIVE_H
#define __ASM_ALTERNATIVE_H
-#include <asm/cpucaps.h>
-#include <asm/insn.h>
-
-#define ARM64_CB_PATCH ARM64_NCAPS
+#include <asm/alternative-macros.h>
#ifndef __ASSEMBLY__
#include <linux/init.h>
#include <linux/types.h>
#include <linux/stddef.h>
-#include <linux/stringify.h>
struct alt_instr {
s32 orig_offset; /* offset to original instruction */
@@ -35,264 +31,5 @@ void apply_alternatives_module(void *start, size_t length);
static inline void apply_alternatives_module(void *start, size_t length) { }
#endif
-#define ALTINSTR_ENTRY(feature) \
- " .word 661b - .\n" /* label */ \
- " .word 663f - .\n" /* new instruction */ \
- " .hword " __stringify(feature) "\n" /* feature bit */ \
- " .byte 662b-661b\n" /* source len */ \
- " .byte 664f-663f\n" /* replacement len */
-
-#define ALTINSTR_ENTRY_CB(feature, cb) \
- " .word 661b - .\n" /* label */ \
- " .word " __stringify(cb) "- .\n" /* callback */ \
- " .hword " __stringify(feature) "\n" /* feature bit */ \
- " .byte 662b-661b\n" /* source len */ \
- " .byte 664f-663f\n" /* replacement len */
-
-/*
- * alternative assembly primitive:
- *
- * If any of these .org directive fail, it means that insn1 and insn2
- * don't have the same length. This used to be written as
- *
- * .if ((664b-663b) != (662b-661b))
- * .error "Alternatives instruction length mismatch"
- * .endif
- *
- * but most assemblers die if insn1 or insn2 have a .inst. This should
- * be fixed in a binutils release posterior to 2.25.51.0.2 (anything
- * containing commit 4e4d08cf7399b606 or c1baaddf8861).
- *
- * Alternatives with callbacks do not generate replacement instructions.
- */
-#define __ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg_enabled) \
- ".if "__stringify(cfg_enabled)" == 1\n" \
- "661:\n\t" \
- oldinstr "\n" \
- "662:\n" \
- ".pushsection .altinstructions,\"a\"\n" \
- ALTINSTR_ENTRY(feature) \
- ".popsection\n" \
- ".subsection 1\n" \
- "663:\n\t" \
- newinstr "\n" \
- "664:\n\t" \
- ".org . - (664b-663b) + (662b-661b)\n\t" \
- ".org . - (662b-661b) + (664b-663b)\n\t" \
- ".previous\n" \
- ".endif\n"
-
-#define __ALTERNATIVE_CFG_CB(oldinstr, feature, cfg_enabled, cb) \
- ".if "__stringify(cfg_enabled)" == 1\n" \
- "661:\n\t" \
- oldinstr "\n" \
- "662:\n" \
- ".pushsection .altinstructions,\"a\"\n" \
- ALTINSTR_ENTRY_CB(feature, cb) \
- ".popsection\n" \
- "663:\n\t" \
- "664:\n\t" \
- ".endif\n"
-
-#define _ALTERNATIVE_CFG(oldinstr, newinstr, feature, cfg, ...) \
- __ALTERNATIVE_CFG(oldinstr, newinstr, feature, IS_ENABLED(cfg))
-
-#define ALTERNATIVE_CB(oldinstr, cb) \
- __ALTERNATIVE_CFG_CB(oldinstr, ARM64_CB_PATCH, 1, cb)
-#else
-
-#include <asm/assembler.h>
-
-.macro altinstruction_entry orig_offset alt_offset feature orig_len alt_len
- .word \orig_offset - .
- .word \alt_offset - .
- .hword \feature
- .byte \orig_len
- .byte \alt_len
-.endm
-
-.macro alternative_insn insn1, insn2, cap, enable = 1
- .if \enable
-661: \insn1
-662: .pushsection .altinstructions, "a"
- altinstruction_entry 661b, 663f, \cap, 662b-661b, 664f-663f
- .popsection
- .subsection 1
-663: \insn2
-664: .org . - (664b-663b) + (662b-661b)
- .org . - (662b-661b) + (664b-663b)
- .previous
- .endif
-.endm
-
-/*
- * Alternative sequences
- *
- * The code for the case where the capability is not present will be
- * assembled and linked as normal. There are no restrictions on this
- * code.
- *
- * The code for the case where the capability is present will be
- * assembled into a special section to be used for dynamic patching.
- * Code for that case must:
- *
- * 1. Be exactly the same length (in bytes) as the default code
- * sequence.
- *
- * 2. Not contain a branch target that is used outside of the
- * alternative sequence it is defined in (branches into an
- * alternative sequence are not fixed up).
- */
-
-/*
- * Begin an alternative code sequence.
- */
-.macro alternative_if_not cap
- .set .Lasm_alt_mode, 0
- .pushsection .altinstructions, "a"
- altinstruction_entry 661f, 663f, \cap, 662f-661f, 664f-663f
- .popsection
-661:
-.endm
-
-.macro alternative_if cap
- .set .Lasm_alt_mode, 1
- .pushsection .altinstructions, "a"
- altinstruction_entry 663f, 661f, \cap, 664f-663f, 662f-661f
- .popsection
- .subsection 1
- .align 2 /* So GAS knows label 661 is suitably aligned */
-661:
-.endm
-
-.macro alternative_cb cb
- .set .Lasm_alt_mode, 0
- .pushsection .altinstructions, "a"
- altinstruction_entry 661f, \cb, ARM64_CB_PATCH, 662f-661f, 0
- .popsection
-661:
-.endm
-
-/*
- * Provide the other half of the alternative code sequence.
- */
-.macro alternative_else
-662:
- .if .Lasm_alt_mode==0
- .subsection 1
- .else
- .previous
- .endif
-663:
-.endm
-
-/*
- * Complete an alternative code sequence.
- */
-.macro alternative_endif
-664:
- .org . - (664b-663b) + (662b-661b)
- .org . - (662b-661b) + (664b-663b)
- .if .Lasm_alt_mode==0
- .previous
- .endif
-.endm
-
-/*
- * Callback-based alternative epilogue
- */
-.macro alternative_cb_end
-662:
-.endm
-
-/*
- * Provides a trivial alternative or default sequence consisting solely
- * of NOPs. The number of NOPs is chosen automatically to match the
- * previous case.
- */
-.macro alternative_else_nop_endif
-alternative_else
- nops (662b-661b) / AARCH64_INSN_SIZE
-alternative_endif
-.endm
-
-#define _ALTERNATIVE_CFG(insn1, insn2, cap, cfg, ...) \
- alternative_insn insn1, insn2, cap, IS_ENABLED(cfg)
-
-.macro user_alt, label, oldinstr, newinstr, cond
-9999: alternative_insn "\oldinstr", "\newinstr", \cond
- _asm_extable 9999b, \label
-.endm
-
-/*
- * Generate the assembly for UAO alternatives with exception table entries.
- * This is complicated as there is no post-increment or pair versions of the
- * unprivileged instructions, and USER() only works for single instructions.
- */
-#ifdef CONFIG_ARM64_UAO
- .macro uao_ldp l, reg1, reg2, addr, post_inc
- alternative_if_not ARM64_HAS_UAO
-8888: ldp \reg1, \reg2, [\addr], \post_inc;
-8889: nop;
- nop;
- alternative_else
- ldtr \reg1, [\addr];
- ldtr \reg2, [\addr, #8];
- add \addr, \addr, \post_inc;
- alternative_endif
-
- _asm_extable 8888b,\l;
- _asm_extable 8889b,\l;
- .endm
-
- .macro uao_stp l, reg1, reg2, addr, post_inc
- alternative_if_not ARM64_HAS_UAO
-8888: stp \reg1, \reg2, [\addr], \post_inc;
-8889: nop;
- nop;
- alternative_else
- sttr \reg1, [\addr];
- sttr \reg2, [\addr, #8];
- add \addr, \addr, \post_inc;
- alternative_endif
-
- _asm_extable 8888b,\l;
- _asm_extable 8889b,\l;
- .endm
-
- .macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
- alternative_if_not ARM64_HAS_UAO
-8888: \inst \reg, [\addr], \post_inc;
- nop;
- alternative_else
- \alt_inst \reg, [\addr];
- add \addr, \addr, \post_inc;
- alternative_endif
-
- _asm_extable 8888b,\l;
- .endm
-#else
- .macro uao_ldp l, reg1, reg2, addr, post_inc
- USER(\l, ldp \reg1, \reg2, [\addr], \post_inc)
- .endm
- .macro uao_stp l, reg1, reg2, addr, post_inc
- USER(\l, stp \reg1, \reg2, [\addr], \post_inc)
- .endm
- .macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
- USER(\l, \inst \reg, [\addr], \post_inc)
- .endm
-#endif
-
-#endif /* __ASSEMBLY__ */
-
-/*
- * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature));
- *
- * Usage: asm(ALTERNATIVE(oldinstr, newinstr, feature, CONFIG_FOO));
- * N.B. If CONFIG_FOO is specified, but not selected, the whole block
- * will be omitted, including oldinstr.
- */
-#define ALTERNATIVE(oldinstr, newinstr, ...) \
- _ALTERNATIVE_CFG(oldinstr, newinstr, __VA_ARGS__, 1)
-
+#endif /* __ASSEMBLY__ */
#endif /* __ASM_ALTERNATIVE_H */
diff --git a/arch/arm64/include/asm/asm-uaccess.h b/arch/arm64/include/asm/asm-uaccess.h
index 5ef624fef..aa05df4 100644
--- a/arch/arm64/include/asm/asm-uaccess.h
+++ b/arch/arm64/include/asm/asm-uaccess.h
@@ -2,7 +2,7 @@
#ifndef __ASM_ASM_UACCESS_H
#define __ASM_ASM_UACCESS_H
-#include <asm/alternative.h>
+#include <asm/alternative-macros.h>
#include <asm/kernel-pgtable.h>
#include <asm/mmu.h>
#include <asm/sysreg.h>
@@ -58,4 +58,33 @@ alternative_else_nop_endif
.endm
#endif
+/*
+ * Generate the assembly for LDTR/STTR with exception table entries.
+ * This is complicated as there is no post-increment or pair versions of the
+ * unprivileged instructions, and USER() only works for single instructions.
+ */
+ .macro uao_ldp l, reg1, reg2, addr, post_inc
+8888: ldtr \reg1, [\addr];
+8889: ldtr \reg2, [\addr, #8];
+ add \addr, \addr, \post_inc;
+
+ _asm_extable 8888b,\l;
+ _asm_extable 8889b,\l;
+ .endm
+
+ .macro uao_stp l, reg1, reg2, addr, post_inc
+8888: sttr \reg1, [\addr];
+8889: sttr \reg2, [\addr, #8];
+ add \addr, \addr, \post_inc;
+
+ _asm_extable 8888b,\l;
+ _asm_extable 8889b,\l;
+ .endm
+
+ .macro uao_user_alternative l, inst, alt_inst, reg, addr, post_inc
+8888: \alt_inst \reg, [\addr];
+ add \addr, \addr, \post_inc;
+
+ _asm_extable 8888b,\l;
+ .endm
#endif
diff --git a/arch/arm64/include/asm/asm_pointer_auth.h b/arch/arm64/include/asm/asm_pointer_auth.h
index 52dead2..8ca2dc0 100644
--- a/arch/arm64/include/asm/asm_pointer_auth.h
+++ b/arch/arm64/include/asm/asm_pointer_auth.h
@@ -13,30 +13,12 @@
* so use the base value of ldp as thread.keys_user and offset as
* thread.keys_user.ap*.
*/
- .macro ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3
+ .macro __ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3
mov \tmp1, #THREAD_KEYS_USER
add \tmp1, \tsk, \tmp1
-alternative_if_not ARM64_HAS_ADDRESS_AUTH
- b .Laddr_auth_skip_\@
-alternative_else_nop_endif
ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIA]
msr_s SYS_APIAKEYLO_EL1, \tmp2
msr_s SYS_APIAKEYHI_EL1, \tmp3
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIB]
- msr_s SYS_APIBKEYLO_EL1, \tmp2
- msr_s SYS_APIBKEYHI_EL1, \tmp3
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDA]
- msr_s SYS_APDAKEYLO_EL1, \tmp2
- msr_s SYS_APDAKEYHI_EL1, \tmp3
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDB]
- msr_s SYS_APDBKEYLO_EL1, \tmp2
- msr_s SYS_APDBKEYHI_EL1, \tmp3
-.Laddr_auth_skip_\@:
-alternative_if ARM64_HAS_GENERIC_AUTH
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APGA]
- msr_s SYS_APGAKEYLO_EL1, \tmp2
- msr_s SYS_APGAKEYHI_EL1, \tmp3
-alternative_else_nop_endif
.endm
.macro __ptrauth_keys_install_kernel_nosync tsk, tmp1, tmp2, tmp3
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index ddbe6bf..4eed960 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -15,6 +15,8 @@
#include <asm-generic/export.h>
#include <asm/asm-offsets.h>
+#include <asm/asm-bug.h>
+#include <asm/alternative.h>
#include <asm/cpufeature.h>
#include <asm/cputype.h>
#include <asm/debug-monitors.h>
@@ -23,6 +25,14 @@
#include <asm/ptrace.h>
#include <asm/thread_info.h>
+ /*
+ * Provide a wxN alias for each wN register so what we can paste a xN
+ * reference after a 'w' to obtain the 32-bit version.
+ */
+ .irp n,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
+ wx\n .req w\n
+ .endr
+
.macro save_and_disable_daif, flags
mrs \flags, daif
msr daifset, #0xf
@@ -270,12 +280,24 @@ alternative_endif
* provide the system wide safe value from arm64_ftr_reg_ctrel0.sys_val
*/
.macro read_ctr, reg
+#ifndef __KVM_NVHE_HYPERVISOR__
alternative_if_not ARM64_MISMATCHED_CACHE_TYPE
mrs \reg, ctr_el0 // read CTR
nop
alternative_else
ldr_l \reg, arm64_ftr_reg_ctrel0 + ARM64_FTR_SYSVAL
alternative_endif
+#else
+alternative_if_not ARM64_KVM_PROTECTED_MODE
+ ASM_BUG()
+alternative_else_nop_endif
+alternative_cb kvm_compute_final_ctr_el0
+ movz \reg, #0
+ movk \reg, #0, lsl #16
+ movk \reg, #0, lsl #32
+ movk \reg, #0, lsl #48
+alternative_cb_end
+#endif
.endm
@@ -473,7 +495,7 @@ USER(\label, ic ivau, \tmp2) // invalidate I line PoU
#define NOKPROBE(x)
#endif
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
#define EXPORT_SYMBOL_NOKASAN(name)
#else
#define EXPORT_SYMBOL_NOKASAN(name) EXPORT_SYMBOL(name)
@@ -676,73 +698,57 @@ USER(\label, ic ivau, \tmp2) // invalidate I line PoU
.endm
/*
- * Check whether to yield to another runnable task from kernel mode NEON code
- * (which runs with preemption disabled).
- *
- * if_will_cond_yield_neon
- * // pre-yield patchup code
- * do_cond_yield_neon
- * // post-yield patchup code
- * endif_yield_neon <label>
- *
- * where <label> is optional, and marks the point where execution will resume
- * after a yield has been performed. If omitted, execution resumes right after
- * the endif_yield_neon invocation. Note that the entire sequence, including
- * the provided patchup code, will be omitted from the image if
- * CONFIG_PREEMPTION is not defined.
- *
- * As a convenience, in the case where no patchup code is required, the above
- * sequence may be abbreviated to
- *
- * cond_yield_neon <label>
- *
- * Note that the patchup code does not support assembler directives that change
- * the output section, any use of such directives is undefined.
- *
- * The yield itself consists of the following:
- * - Check whether the preempt count is exactly 1 and a reschedule is also
- * needed. If so, calling of preempt_enable() in kernel_neon_end() will
- * trigger a reschedule. If it is not the case, yielding is pointless.
- * - Disable and re-enable kernel mode NEON, and branch to the yield fixup
- * code.
- *
- * This macro sequence may clobber all CPU state that is not guaranteed by the
- * AAPCS to be preserved across an ordinary function call.
+ * Set SCTLR_ELx to the @reg value, and invalidate the local icache
+ * in the process. This is called when setting the MMU on.
*/
+.macro set_sctlr, sreg, reg
+ msr \sreg, \reg
+ isb
+ /*
+ * Invalidate the local I-cache so that any instructions fetched
+ * speculatively from the PoC are discarded, since they may have
+ * been dynamically patched at the PoU.
+ */
+ ic iallu
+ dsb nsh
+ isb
+.endm
- .macro cond_yield_neon, lbl
- if_will_cond_yield_neon
- do_cond_yield_neon
- endif_yield_neon \lbl
- .endm
+.macro set_sctlr_el1, reg
+ set_sctlr sctlr_el1, \reg
+.endm
- .macro if_will_cond_yield_neon
+.macro set_sctlr_el2, reg
+ set_sctlr sctlr_el2, \reg
+.endm
+
+ /*
+ * Check whether preempt/bh-disabled asm code should yield as soon as
+ * it is able. This is the case if we are currently running in task
+ * context, and either a softirq is pending, or the TIF_NEED_RESCHED
+ * flag is set and re-enabling preemption a single time would result in
+ * a preempt count of zero. (Note that the TIF_NEED_RESCHED flag is
+ * stored negated in the top word of the thread_info::preempt_count
+ * field)
+ */
+ .macro cond_yield, lbl:req, tmp:req, tmp2:req
+ get_current_task \tmp
+ ldr \tmp, [\tmp, #TSK_TI_PREEMPT]
+ /*
+ * If we are serving a softirq, there is no point in yielding: the
+ * softirq will not be preempted no matter what we do, so we should
+ * run to completion as quickly as we can.
+ */
+ tbnz \tmp, #SOFTIRQ_SHIFT, .Lnoyield_\@
#ifdef CONFIG_PREEMPTION
- get_current_task x0
- ldr x0, [x0, #TSK_TI_PREEMPT]
- sub x0, x0, #PREEMPT_DISABLE_OFFSET
- cbz x0, .Lyield_\@
- /* fall through to endif_yield_neon */
- .subsection 1
-.Lyield_\@ :
-#else
- .section ".discard.cond_yield_neon", "ax"
+ sub \tmp, \tmp, #PREEMPT_DISABLE_OFFSET
+ cbz \tmp, \lbl
#endif
- .endm
-
- .macro do_cond_yield_neon
- bl kernel_neon_end
- bl kernel_neon_begin
- .endm
-
- .macro endif_yield_neon, lbl
- .ifnb \lbl
- b \lbl
- .else
- b .Lyield_out_\@
- .endif
- .previous
-.Lyield_out_\@ :
+ adr_l \tmp, irq_stat + IRQ_CPUSTAT_SOFTIRQ_PENDING
+ this_cpu_offset \tmp2
+ ldr w\tmp, [\tmp, \tmp2]
+ cbnz w\tmp, \lbl // yield on pending softirq in task context
+.Lnoyield_\@:
.endm
/*
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 37d891a..bffa886 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -23,6 +23,7 @@
#define dsb(opt) asm volatile("dsb " #opt : : : "memory")
#define psb_csync() asm volatile("hint #17" : : : "memory")
+#define tsb_csync() asm volatile("hint #18" : : : "memory")
#define csdb() asm volatile("hint #20" : : : "memory")
#define spec_bar() asm volatile(ALTERNATIVE("dsb nsh\nisb\n", \
diff --git a/arch/arm64/include/asm/cache.h b/arch/arm64/include/asm/cache.h
index 63d43b5..a074459 100644
--- a/arch/arm64/include/asm/cache.h
+++ b/arch/arm64/include/asm/cache.h
@@ -51,6 +51,8 @@
#ifdef CONFIG_KASAN_SW_TAGS
#define ARCH_SLAB_MINALIGN (1ULL << KASAN_SHADOW_SCALE_SHIFT)
+#elif defined(CONFIG_KASAN_HW_TAGS)
+#define ARCH_SLAB_MINALIGN MTE_GRANULE_SIZE
#endif
#ifndef __ASSEMBLY__
diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h
index 7faae6f..f4e01aa 100644
--- a/arch/arm64/include/asm/cpu.h
+++ b/arch/arm64/include/asm/cpu.h
@@ -12,26 +12,7 @@
/*
* Records attributes of an individual CPU.
*/
-struct cpuinfo_arm64 {
- struct cpu cpu;
- struct kobject kobj;
- u32 reg_ctr;
- u32 reg_cntfrq;
- u32 reg_dczid;
- u32 reg_midr;
- u32 reg_revidr;
-
- u64 reg_id_aa64dfr0;
- u64 reg_id_aa64dfr1;
- u64 reg_id_aa64isar0;
- u64 reg_id_aa64isar1;
- u64 reg_id_aa64mmfr0;
- u64 reg_id_aa64mmfr1;
- u64 reg_id_aa64mmfr2;
- u64 reg_id_aa64pfr0;
- u64 reg_id_aa64pfr1;
- u64 reg_id_aa64zfr0;
-
+struct cpuinfo_32bit {
u32 reg_id_dfr0;
u32 reg_id_dfr1;
u32 reg_id_isar0;
@@ -54,6 +35,29 @@ struct cpuinfo_arm64 {
u32 reg_mvfr0;
u32 reg_mvfr1;
u32 reg_mvfr2;
+};
+
+struct cpuinfo_arm64 {
+ struct cpu cpu;
+ struct kobject kobj;
+ u32 reg_ctr;
+ u32 reg_cntfrq;
+ u32 reg_dczid;
+ u32 reg_midr;
+ u32 reg_revidr;
+
+ u64 reg_id_aa64dfr0;
+ u64 reg_id_aa64dfr1;
+ u64 reg_id_aa64isar0;
+ u64 reg_id_aa64isar1;
+ u64 reg_id_aa64mmfr0;
+ u64 reg_id_aa64mmfr1;
+ u64 reg_id_aa64mmfr2;
+ u64 reg_id_aa64pfr0;
+ u64 reg_id_aa64pfr1;
+ u64 reg_id_aa64zfr0;
+
+ struct cpuinfo_32bit aarch32;
/* pseudo-ZCR for recording maximum ZCR_EL1 LEN value: */
u64 reg_zcr;
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
index e7d9899..10a2d914 100644
--- a/arch/arm64/include/asm/cpucaps.h
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -20,8 +20,9 @@
#define ARM64_ALT_PAN_NOT_UAO 10
#define ARM64_HAS_VIRT_HOST_EXTN 11
#define ARM64_WORKAROUND_CAVIUM_27456 12
-#define ARM64_HAS_32BIT_EL0 13
-#define ARM64_HARDEN_EL2_VECTORS 14
+/* Unreliable: use system_supports_32bit_el0() instead. */
+#define ARM64_HAS_32BIT_EL0_DO_NOT_USE 13
+#define ARM64_SPECTRE_V3A 14
#define ARM64_HAS_CNP 15
#define ARM64_HAS_NO_FPSIMD 16
#define ARM64_WORKAROUND_REPEAT_TLBI 17
@@ -66,7 +67,10 @@
#define ARM64_HAS_TLB_RANGE 56
#define ARM64_MTE 57
#define ARM64_WORKAROUND_1508412 58
+#define ARM64_HAS_LDAPR 59
+#define ARM64_KVM_PROTECTED_MODE 60
-#define ARM64_NCAPS 59
+/* kabi: reserve 62 - 76 for future cpu capabilities */
+#define ARM64_NCAPS 76
#endif /* __ASM_CPUCAPS_H */
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index da250e4..87fc3b1 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -63,6 +63,11 @@ struct arm64_ftr_bits {
s64 safe_val; /* safe value for FTR_EXACT features */
};
+struct arm64_ftr_override {
+ u64 val;
+ u64 mask;
+};
+
/*
* @arm64_ftr_reg - Feature register
* @strict_mask Bits which should match across all CPUs for sanity.
@@ -74,6 +79,7 @@ struct arm64_ftr_reg {
u64 user_mask;
u64 sys_val;
u64 user_val;
+ struct arm64_ftr_override *override;
const struct arm64_ftr_bits *ftr_bits;
};
@@ -600,15 +606,22 @@ void __init setup_cpu_features(void);
void check_local_cpu_capabilities(void);
u64 read_sanitised_ftr_reg(u32 id);
+u64 __read_sysreg_by_encoding(u32 sys_id);
static inline bool cpu_supports_mixed_endian_el0(void)
{
return id_aa64mmfr0_mixed_endian_el0(read_cpuid(ID_AA64MMFR0_EL1));
}
+const struct cpumask *system_32bit_el0_cpumask(void);
+DECLARE_STATIC_KEY_FALSE(arm64_mismatched_32bit_el0);
+
static inline bool system_supports_32bit_el0(void)
{
- return cpus_have_const_cap(ARM64_HAS_32BIT_EL0);
+ u64 pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
+
+ return static_branch_unlikely(&arm64_mismatched_32bit_el0) ||
+ id_aa64pfr0_32bit_el0(pfr0);
}
static inline bool system_supports_4kb_granule(void)
@@ -699,6 +712,11 @@ static inline bool system_supports_generic_auth(void)
cpus_have_const_cap(ARM64_HAS_GENERIC_AUTH);
}
+static inline bool system_has_full_ptr_auth(void)
+{
+ return system_supports_address_auth() && system_supports_generic_auth();
+}
+
static __always_inline bool system_uses_irq_prio_masking(void)
{
return IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) &&
@@ -785,6 +803,10 @@ static inline unsigned int get_vmid_bits(u64 mmfr1)
return 8;
}
+extern struct arm64_ftr_override id_aa64mmfr1_override;
+extern struct arm64_ftr_override id_aa64pfr1_override;
+extern struct arm64_ftr_override id_aa64isar1_override;
+
u32 get_kvm_ipa_limit(void);
void dump_cpu_features(void);
diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h
new file mode 100644
index 0000000..bda9189
--- /dev/null
+++ b/arch/arm64/include/asm/el2_setup.h
@@ -0,0 +1,174 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012,2013 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ */
+
+#ifndef __ARM_KVM_INIT_H__
+#define __ARM_KVM_INIT_H__
+
+#ifndef __ASSEMBLY__
+#error Assembly-only header
+#endif
+
+#include <asm/kvm_arm.h>
+#include <asm/ptrace.h>
+#include <asm/sysreg.h>
+#include <linux/irqchip/arm-gic-v3.h>
+
+.macro __init_el2_sctlr
+ mov_q x0, INIT_SCTLR_EL2_MMU_OFF
+ msr sctlr_el2, x0
+ isb
+.endm
+
+/*
+ * Allow Non-secure EL1 and EL0 to access physical timer and counter.
+ * This is not necessary for VHE, since the host kernel runs in EL2,
+ * and EL0 accesses are configured in the later stage of boot process.
+ * Note that when HCR_EL2.E2H == 1, CNTHCTL_EL2 has the same bit layout
+ * as CNTKCTL_EL1, and CNTKCTL_EL1 accessing instructions are redefined
+ * to access CNTHCTL_EL2. This allows the kernel designed to run at EL1
+ * to transparently mess with the EL0 bits via CNTKCTL_EL1 access in
+ * EL2.
+ */
+.macro __init_el2_timers
+ mrs x0, cnthctl_el2
+ orr x0, x0, #3 // Enable EL1 physical timers
+ msr cnthctl_el2, x0
+ msr cntvoff_el2, xzr // Clear virtual offset
+.endm
+
+.macro __init_el2_debug
+ mrs x1, id_aa64dfr0_el1
+ sbfx x0, x1, #ID_AA64DFR0_PMUVER_SHIFT, #4
+ cmp x0, #1
+ b.lt .Lskip_pmu_\@ // Skip if no PMU present
+ mrs x0, pmcr_el0 // Disable debug access traps
+ ubfx x0, x0, #11, #5 // to EL2 and allow access to
+.Lskip_pmu_\@:
+ csel x2, xzr, x0, lt // all PMU counters from EL1
+
+ /* Statistical profiling */
+ ubfx x0, x1, #ID_AA64DFR0_PMSVER_SHIFT, #4
+ cbz x0, .Lskip_spe_\@ // Skip if SPE not present
+
+ mrs_s x0, SYS_PMBIDR_EL1 // If SPE available at EL2,
+ and x0, x0, #(1 << SYS_PMBIDR_EL1_P_SHIFT)
+ cbnz x0, .Lskip_spe_el2_\@ // then permit sampling of physical
+ mov x0, #(1 << SYS_PMSCR_EL2_PCT_SHIFT | \
+ 1 << SYS_PMSCR_EL2_PA_SHIFT)
+ msr_s SYS_PMSCR_EL2, x0 // addresses and physical counter
+.Lskip_spe_el2_\@:
+ mov x0, #(MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT)
+ orr x2, x2, x0 // If we don't have VHE, then
+ // use EL1&0 translation.
+
+.Lskip_spe_\@:
+ /* Trace buffer */
+ ubfx x0, x1, #ID_AA64DFR0_TRBE_SHIFT, #4
+ cbz x0, .Lskip_trace_\@ // Skip if TraceBuffer is not present
+
+ mrs_s x0, SYS_TRBIDR_EL1
+ and x0, x0, TRBIDR_PROG
+ cbnz x0, .Lskip_trace_\@ // If TRBE is available at EL2
+
+ mov x0, #(MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT)
+ orr x2, x2, x0 // allow the EL1&0 translation
+ // to own it.
+
+.Lskip_trace_\@:
+ msr mdcr_el2, x2 // Configure debug traps
+.endm
+
+/* LORegions */
+.macro __init_el2_lor
+ mrs x1, id_aa64mmfr1_el1
+ ubfx x0, x1, #ID_AA64MMFR1_LOR_SHIFT, 4
+ cbz x0, .Lskip_lor_\@
+ msr_s SYS_LORC_EL1, xzr
+.Lskip_lor_\@:
+.endm
+
+/* Stage-2 translation */
+.macro __init_el2_stage2
+ msr vttbr_el2, xzr
+.endm
+
+/* GICv3 system register access */
+.macro __init_el2_gicv3
+ mrs x0, id_aa64pfr0_el1
+ ubfx x0, x0, #ID_AA64PFR0_GIC_SHIFT, #4
+ cbz x0, .Lskip_gicv3_\@
+
+ mrs_s x0, SYS_ICC_SRE_EL2
+ orr x0, x0, #ICC_SRE_EL2_SRE // Set ICC_SRE_EL2.SRE==1
+ orr x0, x0, #ICC_SRE_EL2_ENABLE // Set ICC_SRE_EL2.Enable==1
+ msr_s SYS_ICC_SRE_EL2, x0
+ isb // Make sure SRE is now set
+ mrs_s x0, SYS_ICC_SRE_EL2 // Read SRE back,
+ tbz x0, #0, 1f // and check that it sticks
+ msr_s SYS_ICH_HCR_EL2, xzr // Reset ICC_HCR_EL2 to defaults
+.Lskip_gicv3_\@:
+.endm
+
+.macro __init_el2_hstr
+ msr hstr_el2, xzr // Disable CP15 traps to EL2
+.endm
+
+/* Virtual CPU ID registers */
+.macro __init_el2_nvhe_idregs
+ mrs x0, midr_el1
+ mrs x1, mpidr_el1
+ msr vpidr_el2, x0
+ msr vmpidr_el2, x1
+.endm
+
+/* Coprocessor traps */
+.macro __init_el2_nvhe_cptr
+ mov x0, #0x33ff
+ msr cptr_el2, x0 // Disable copro. traps to EL2
+.endm
+
+/* SVE register access */
+.macro __init_el2_nvhe_sve
+ mrs x1, id_aa64pfr0_el1
+ ubfx x1, x1, #ID_AA64PFR0_SVE_SHIFT, #4
+ cbz x1, .Lskip_sve_\@
+
+ bic x0, x0, #CPTR_EL2_TZ // Also disable SVE traps
+ msr cptr_el2, x0 // Disable copro. traps to EL2
+ isb
+ mov x1, #ZCR_ELx_LEN_MASK // SVE: Enable full vector
+ msr_s SYS_ZCR_EL2, x1 // length for EL1.
+.Lskip_sve_\@:
+.endm
+
+.macro __init_el2_nvhe_prepare_eret
+ mov x0, #INIT_PSTATE_EL1
+ msr spsr_el2, x0
+.endm
+
+/**
+ * Initialize EL2 registers to sane values. This should be called early on all
+ * cores that were booted in EL2. Note that everything gets initialised as
+ * if VHE was not evailable. The kernel context will be upgraded to VHE
+ * if possible later on in the boot process
+ *
+ * Regs: x0, x1 and x2 are clobbered.
+ */
+.macro init_el2_state
+ __init_el2_sctlr
+ __init_el2_timers
+ __init_el2_debug
+ __init_el2_lor
+ __init_el2_stage2
+ __init_el2_gicv3
+ __init_el2_hstr
+ __init_el2_nvhe_idregs
+ __init_el2_nvhe_cptr
+ __init_el2_nvhe_sve
+ __init_el2_nvhe_prepare_eret
+.endm
+
+#endif /* __ARM_KVM_INIT_H__ */
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 4a76f56..8f59bbe 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -107,6 +107,7 @@
#define ESR_ELx_FSC_TYPE (0x3C)
#define ESR_ELx_FSC_LEVEL (0x03)
#define ESR_ELx_FSC_EXTABT (0x10)
+#define ESR_ELx_FSC_MTE (0x11)
#define ESR_ELx_FSC_SERROR (0x11)
#define ESR_ELx_FSC_ACCESS (0x08)
#define ESR_ELx_FSC_FAULT (0x04)
diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h
index 0756191..7853739 100644
--- a/arch/arm64/include/asm/exception.h
+++ b/arch/arm64/include/asm/exception.h
@@ -37,7 +37,7 @@ asmlinkage void enter_from_user_mode(void);
asmlinkage void exit_to_user_mode(void);
void arm64_enter_nmi(struct pt_regs *regs);
void arm64_exit_nmi(struct pt_regs *regs);
-void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
+void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs);
void do_undefinstr(struct pt_regs *regs);
void do_bti(struct pt_regs *regs);
asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
index bec5f14..05c9c55 100644
--- a/arch/arm64/include/asm/fpsimd.h
+++ b/arch/arm64/include/asm/fpsimd.h
@@ -130,6 +130,15 @@ static inline void sve_user_enable(void)
sysreg_clear_set(cpacr_el1, 0, CPACR_EL1_ZEN_EL0EN);
}
+#define sve_cond_update_zcr_vq(val, reg) \
+ do { \
+ u64 __zcr = read_sysreg_s((reg)); \
+ u64 __new = __zcr & ~ZCR_ELx_LEN_MASK; \
+ __new |= (val) & ZCR_ELx_LEN_MASK; \
+ if (__zcr != __new) \
+ write_sysreg_s(__new, (reg)); \
+ } while (0)
+
/*
* Probing and setup functions.
* Calls to these functions must be serialised with one another.
diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h
index af43367..a256399 100644
--- a/arch/arm64/include/asm/fpsimdmacros.h
+++ b/arch/arm64/include/asm/fpsimdmacros.h
@@ -6,6 +6,8 @@
* Author: Catalin Marinas <catalin.marinas@arm.com>
*/
+#include <asm/assembler.h>
+
.macro fpsimd_save state, tmpnr
stp q0, q1, [\state, #16 * 0]
stp q2, q3, [\state, #16 * 2]
@@ -230,8 +232,7 @@
str w\nxtmp, [\xpfpsr, #4]
.endm
-.macro sve_load nxbase, xpfpsr, xvqminus1, nxtmp, xtmp2
- sve_load_vq \xvqminus1, x\nxtmp, \xtmp2
+.macro __sve_load nxbase, xpfpsr, nxtmp
_for n, 0, 31, _sve_ldr_v \n, \nxbase, \n - 34
_sve_ldr_p 0, \nxbase
_sve_wrffr 0
@@ -242,3 +243,8 @@
ldr w\nxtmp, [\xpfpsr, #4]
msr fpcr, x\nxtmp
.endm
+
+.macro sve_load nxbase, xpfpsr, xvqminus1, nxtmp, xtmp2
+ sve_load_vq \xvqminus1, x\nxtmp, \xtmp2
+ __sve_load \nxbase, \xpfpsr, \nxtmp
+.endm
diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
index 97f6a63..8e41faa 100644
--- a/arch/arm64/include/asm/futex.h
+++ b/arch/arm64/include/asm/futex.h
@@ -16,7 +16,7 @@
do { \
unsigned int loops = FUTEX_MAX_LOOPS; \
\
- uaccess_enable(); \
+ uaccess_enable_privileged(); \
asm volatile( \
" prfm pstl1strm, %2\n" \
"1: ldxr %w1, %2\n" \
@@ -39,7 +39,7 @@ do { \
"+r" (loops) \
: "r" (oparg), "Ir" (-EFAULT), "Ir" (-EAGAIN) \
: "memory"); \
- uaccess_disable(); \
+ uaccess_disable_privileged(); \
} while (0)
static inline int
@@ -95,7 +95,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *_uaddr,
return -EFAULT;
uaddr = __uaccess_mask_ptr(_uaddr);
- uaccess_enable();
+ uaccess_enable_privileged();
asm volatile("// futex_atomic_cmpxchg_inatomic\n"
" prfm pstl1strm, %2\n"
"1: ldxr %w1, %2\n"
@@ -118,7 +118,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *_uaddr,
: "+r" (ret), "=&r" (val), "+Q" (*uaddr), "=&r" (tmp), "+r" (loops)
: "r" (oldval), "r" (newval), "Ir" (-EFAULT), "Ir" (-EAGAIN)
: "memory");
- uaccess_disable();
+ uaccess_disable_privileged();
if (!ret)
*uval = val;
diff --git a/arch/arm64/include/asm/hyp_image.h b/arch/arm64/include/asm/hyp_image.h
index daa1a1d..b4b3076 100644
--- a/arch/arm64/include/asm/hyp_image.h
+++ b/arch/arm64/include/asm/hyp_image.h
@@ -7,11 +7,18 @@
#ifndef __ARM64_HYP_IMAGE_H__
#define __ARM64_HYP_IMAGE_H__
+#define __HYP_CONCAT(a, b) a ## b
+#define HYP_CONCAT(a, b) __HYP_CONCAT(a, b)
+
+#ifndef __KVM_NVHE_HYPERVISOR__
/*
* KVM nVHE code has its own symbol namespace prefixed with __kvm_nvhe_,
* to separate it from the kernel proper.
*/
#define kvm_nvhe_sym(sym) __kvm_nvhe_##sym
+#else
+#define kvm_nvhe_sym(sym) sym
+#endif
#ifdef LINKER_SCRIPT
@@ -21,9 +28,31 @@
*/
#define HYP_SECTION_NAME(NAME) .hyp##NAME
+/* Symbol defined at the beginning of each hyp section. */
+#define HYP_SECTION_SYMBOL_NAME(NAME) \
+ HYP_CONCAT(__hyp_section_, HYP_SECTION_NAME(NAME))
+
+/*
+ * Helper to generate linker script statements starting a hyp section.
+ *
+ * A symbol with a well-known name is defined at the first byte. This
+ * is used as a base for hyp relocations (see gen-hyprel.c). It must
+ * be defined inside the section so the linker of `vmlinux` cannot
+ * separate it from the section data.
+ */
+#define BEGIN_HYP_SECTION(NAME) \
+ HYP_SECTION_NAME(NAME) : { \
+ HYP_SECTION_SYMBOL_NAME(NAME) = .;
+
+/* Helper to generate linker script statements ending a hyp section. */
+#define END_HYP_SECTION \
+ }
+
/* Defines an ELF hyp section from input section @NAME and its subsections. */
-#define HYP_SECTION(NAME) \
- HYP_SECTION_NAME(NAME) : { *(NAME NAME##.*) }
+#define HYP_SECTION(NAME) \
+ BEGIN_HYP_SECTION(NAME) \
+ *(NAME NAME##.*) \
+ END_HYP_SECTION
/*
* Defines a linker script alias of a kernel-proper symbol referenced by
@@ -31,6 +60,9 @@
*/
#define KVM_NVHE_ALIAS(sym) kvm_nvhe_sym(sym) = sym;
+/* Defines a linker script alias for KVM nVHE hyp symbols */
+#define KVM_NVHE_ALIAS_HYP(first, sec) kvm_nvhe_sym(first) = kvm_nvhe_sym(sec);
+
#endif /* LINKER_SCRIPT */
#endif /* __ARM64_HYP_IMAGE_H__ */
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index 4b39293d..4ebb9c0 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -10,8 +10,7 @@
#include <linux/build_bug.h>
#include <linux/types.h>
-/* A64 instructions are always 32 bits. */
-#define AARCH64_INSN_SIZE 4
+#include <asm/alternative.h>
#ifndef __ASSEMBLY__
/*
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index fd172c4..95813dc 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -9,6 +9,7 @@
#define __ASM_IO_H
#include <linux/types.h>
+#include <linux/log_mmiorw.h>
#include <linux/pgtable.h>
#include <asm/byteorder.h>
@@ -24,24 +25,28 @@
#define __raw_writeb __raw_writeb
static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
{
+ log_write_mmio(val, 8, addr);
asm volatile("strb %w0, [%1]" : : "rZ" (val), "r" (addr));
}
#define __raw_writew __raw_writew
static inline void __raw_writew(u16 val, volatile void __iomem *addr)
{
+ log_write_mmio(val, 16, addr);
asm volatile("strh %w0, [%1]" : : "rZ" (val), "r" (addr));
}
#define __raw_writel __raw_writel
static __always_inline void __raw_writel(u32 val, volatile void __iomem *addr)
{
+ log_write_mmio(val, 32, addr);
asm volatile("str %w0, [%1]" : : "rZ" (val), "r" (addr));
}
#define __raw_writeq __raw_writeq
static inline void __raw_writeq(u64 val, volatile void __iomem *addr)
{
+ log_write_mmio(val, 64, addr);
asm volatile("str %x0, [%1]" : : "rZ" (val), "r" (addr));
}
@@ -49,10 +54,13 @@ static inline void __raw_writeq(u64 val, volatile void __iomem *addr)
static inline u8 __raw_readb(const volatile void __iomem *addr)
{
u8 val;
+
+ log_read_mmio(8, addr);
asm volatile(ALTERNATIVE("ldrb %w0, [%1]",
"ldarb %w0, [%1]",
ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
: "=r" (val) : "r" (addr));
+ log_post_read_mmio(val, 8, addr);
return val;
}
@@ -61,10 +69,12 @@ static inline u16 __raw_readw(const volatile void __iomem *addr)
{
u16 val;
+ log_read_mmio(16, addr);
asm volatile(ALTERNATIVE("ldrh %w0, [%1]",
"ldarh %w0, [%1]",
ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
: "=r" (val) : "r" (addr));
+ log_post_read_mmio(val, 16, addr);
return val;
}
@@ -72,10 +82,13 @@ static inline u16 __raw_readw(const volatile void __iomem *addr)
static __always_inline u32 __raw_readl(const volatile void __iomem *addr)
{
u32 val;
+
+ log_read_mmio(32, addr);
asm volatile(ALTERNATIVE("ldr %w0, [%1]",
"ldar %w0, [%1]",
ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
: "=r" (val) : "r" (addr));
+ log_post_read_mmio(val, 32, addr);
return val;
}
@@ -83,10 +96,13 @@ static __always_inline u32 __raw_readl(const volatile void __iomem *addr)
static inline u64 __raw_readq(const volatile void __iomem *addr)
{
u64 val;
+
+ log_read_mmio(64, addr);
asm volatile(ALTERNATIVE("ldr %0, [%1]",
"ldar %0, [%1]",
ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE)
: "=r" (val) : "r" (addr));
+ log_post_read_mmio(val, 64, addr);
return val;
}
diff --git a/arch/arm64/include/asm/kasan.h b/arch/arm64/include/asm/kasan.h
index b0dc4ab..12d5f47 100644
--- a/arch/arm64/include/asm/kasan.h
+++ b/arch/arm64/include/asm/kasan.h
@@ -6,13 +6,16 @@
#include <linux/linkage.h>
#include <asm/memory.h>
+#include <asm/mte-kasan.h>
#include <asm/pgtable-types.h>
#define arch_kasan_set_tag(addr, tag) __tag_set(addr, tag)
#define arch_kasan_reset_tag(addr) __tag_reset(addr)
#define arch_kasan_get_tag(addr) __tag_get(addr)
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+
+void kasan_init(void);
/*
* KASAN_SHADOW_START: beginning of the kernel virtual addresses.
@@ -33,7 +36,6 @@
#define _KASAN_SHADOW_START(va) (KASAN_SHADOW_END - (1UL << ((va) - KASAN_SHADOW_SCALE_SHIFT)))
#define KASAN_SHADOW_START _KASAN_SHADOW_START(vabits_actual)
-void kasan_init(void);
void kasan_copy_shadow(pgd_t *pgdir);
asmlinkage void kasan_early_init(void);
diff --git a/arch/arm64/include/asm/kfence.h b/arch/arm64/include/asm/kfence.h
new file mode 100644
index 0000000..d061176
--- /dev/null
+++ b/arch/arm64/include/asm/kfence.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arm64 KFENCE support.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef __ASM_KFENCE_H
+#define __ASM_KFENCE_H
+
+#include <asm/cacheflush.h>
+
+static inline bool arch_kfence_init_pool(void) { return true; }
+
+static inline bool kfence_protect_page(unsigned long addr, bool protect)
+{
+ set_memory_valid(addr, 1, !protect);
+
+ return true;
+}
+
+#endif /* __ASM_KFENCE_H */
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 7f532b2..58556b7 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -80,6 +80,7 @@
HCR_FMO | HCR_IMO | HCR_PTW )
#define HCR_VIRT_EXCP_MASK (HCR_VSE | HCR_VI | HCR_VF)
#define HCR_HOST_NVHE_FLAGS (HCR_RW | HCR_API | HCR_APK | HCR_ATA)
+#define HCR_HOST_NVHE_PROTECTED_FLAGS (HCR_HOST_NVHE_FLAGS | HCR_TSC)
#define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H)
/* TCR_EL2 Registers bits */
@@ -277,6 +278,8 @@
#define CPTR_EL2_DEFAULT CPTR_EL2_RES1
/* Hyp Debug Configuration Register bits */
+#define MDCR_EL2_E2TB_MASK (UL(0x3))
+#define MDCR_EL2_E2TB_SHIFT (UL(24))
#define MDCR_EL2_TTRF (1 << 19)
#define MDCR_EL2_TPMS (1 << 14)
#define MDCR_EL2_E2PB_MASK (UL(0x3))
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 044bb9e..c453b82 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -34,8 +34,6 @@
*/
#define KVM_VECTOR_PREAMBLE (2 * AARCH64_INSN_SIZE)
-#define __SMCCC_WORKAROUND_1_SMC_SZ 36
-
#define KVM_HOST_SMCCC_ID(id) \
ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
ARM_SMCCC_SMC_64, \
@@ -52,13 +50,19 @@
#define __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context 5
#define __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff 6
#define __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs 7
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_get_ich_vtr_el2 8
+#define __KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config 8
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_read_vmcr 9
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_write_vmcr 10
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs 11
#define __KVM_HOST_SMCCC_FUNC___kvm_get_mdcr_el2 12
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_save_aprs 13
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_restore_aprs 14
+#define __KVM_HOST_SMCCC_FUNC___pkvm_init 15
+#define __KVM_HOST_SMCCC_FUNC___pkvm_create_mappings 16
+#define __KVM_HOST_SMCCC_FUNC___pkvm_create_private_mapping 17
+#define __KVM_HOST_SMCCC_FUNC___pkvm_cpu_set_vector 18
+#define __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize 19
+#define __KVM_HOST_SMCCC_FUNC___pkvm_mark_hyp 20
#ifndef __ASSEMBLY__
@@ -150,6 +154,17 @@ extern void *__vhe_undefined_symbol;
#endif
+struct kvm_nvhe_init_params {
+ unsigned long mair_el2;
+ unsigned long tcr_el2;
+ unsigned long tpidr_el2;
+ unsigned long stack_hyp_va;
+ phys_addr_t pgd_pa;
+ unsigned long hcr_el2;
+ unsigned long vttbr;
+ unsigned long vtcr;
+};
+
/* Translate a kernel address @ptr into its equivalent linear mapping */
#define kvm_ksym_ref(ptr) \
({ \
@@ -158,24 +173,21 @@ extern void *__vhe_undefined_symbol;
val = lm_alias((ptr)); \
val; \
})
-#define kvm_ksym_ref_nvhe(sym) kvm_ksym_ref(kvm_nvhe_sym(sym))
+#define kvm_ksym_ref_nvhe(sym) kvm_ksym_ref(__va_function(kvm_nvhe_sym(sym)))
struct kvm;
struct kvm_vcpu;
struct kvm_s2_mmu;
DECLARE_KVM_NVHE_SYM(__kvm_hyp_init);
-DECLARE_KVM_NVHE_SYM(__kvm_hyp_host_vector);
DECLARE_KVM_HYP_SYM(__kvm_hyp_vector);
#define __kvm_hyp_init CHOOSE_NVHE_SYM(__kvm_hyp_init)
-#define __kvm_hyp_host_vector CHOOSE_NVHE_SYM(__kvm_hyp_host_vector)
#define __kvm_hyp_vector CHOOSE_HYP_SYM(__kvm_hyp_vector)
extern unsigned long kvm_arm_hyp_percpu_base[NR_CPUS];
DECLARE_KVM_NVHE_SYM(__per_cpu_start);
DECLARE_KVM_NVHE_SYM(__per_cpu_end);
-extern atomic_t arm64_el2_vector_last_slot;
DECLARE_KVM_HYP_SYM(__bp_harden_hyp_vecs);
#define __bp_harden_hyp_vecs CHOOSE_HYP_SYM(__bp_harden_hyp_vecs)
@@ -189,37 +201,13 @@ extern void __kvm_timer_set_cntvoff(u64 cntvoff);
extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
-extern void __kvm_enable_ssbs(void);
-
-extern u64 __vgic_v3_get_ich_vtr_el2(void);
+extern u64 __vgic_v3_get_gic_config(void);
extern u64 __vgic_v3_read_vmcr(void);
extern void __vgic_v3_write_vmcr(u32 vmcr);
extern void __vgic_v3_init_lrs(void);
extern u32 __kvm_get_mdcr_el2(void);
-extern char __smccc_workaround_1_smc[__SMCCC_WORKAROUND_1_SMC_SZ];
-
-/*
- * Obtain the PC-relative address of a kernel symbol
- * s: symbol
- *
- * The goal of this macro is to return a symbol's address based on a
- * PC-relative computation, as opposed to a loading the VA from a
- * constant pool or something similar. This works well for HYP, as an
- * absolute VA is guaranteed to be wrong. Only use this if trying to
- * obtain the address of a symbol (i.e. not something you obtained by
- * following a pointer).
- */
-#define hyp_symbol_addr(s) \
- ({ \
- typeof(s) *addr; \
- asm("adrp %0, %1\n" \
- "add %0, %0, :lo12:%1\n" \
- : "=r" (addr) : "S" (&s)); \
- addr; \
- })
-
#define __KVM_EXTABLE(from, to) \
" .pushsection __kvm_ex_table, \"a\"\n" \
" .align 3\n" \
diff --git a/arch/arm64/include/asm/kvm_coproc.h b/arch/arm64/include/asm/kvm_coproc.h
deleted file mode 100644
index d6bb401..0000000
--- a/arch/arm64/include/asm/kvm_coproc.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2012,2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * Derived from arch/arm/include/asm/kvm_coproc.h
- * Copyright (C) 2012 Rusty Russell IBM Corporation
- */
-
-#ifndef __ARM64_KVM_COPROC_H__
-#define __ARM64_KVM_COPROC_H__
-
-#include <linux/kvm_host.h>
-
-void kvm_reset_sys_regs(struct kvm_vcpu *vcpu);
-
-struct kvm_sys_reg_table {
- const struct sys_reg_desc *table;
- size_t num;
-};
-
-int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu);
-int kvm_handle_cp14_32(struct kvm_vcpu *vcpu);
-int kvm_handle_cp14_64(struct kvm_vcpu *vcpu);
-int kvm_handle_cp15_32(struct kvm_vcpu *vcpu);
-int kvm_handle_cp15_64(struct kvm_vcpu *vcpu);
-int kvm_handle_sys_reg(struct kvm_vcpu *vcpu);
-
-#define kvm_coproc_table_init kvm_sys_reg_table_init
-void kvm_sys_reg_table_init(void);
-
-struct kvm_one_reg;
-int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
-int kvm_arm_sys_reg_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
-int kvm_arm_sys_reg_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
-unsigned long kvm_arm_num_sys_reg_descs(struct kvm_vcpu *vcpu);
-
-#endif /* __ARM64_KVM_COPROC_H__ */
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 472122d7..01b9857 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -21,20 +21,25 @@
#include <asm/cputype.h>
#include <asm/virt.h>
-unsigned long *vcpu_reg32(const struct kvm_vcpu *vcpu, u8 reg_num);
-unsigned long vcpu_read_spsr32(const struct kvm_vcpu *vcpu);
-void vcpu_write_spsr32(struct kvm_vcpu *vcpu, unsigned long v);
+#define CURRENT_EL_SP_EL0_VECTOR 0x0
+#define CURRENT_EL_SP_ELx_VECTOR 0x200
+#define LOWER_EL_AArch64_VECTOR 0x400
+#define LOWER_EL_AArch32_VECTOR 0x600
+
+enum exception_type {
+ except_type_sync = 0,
+ except_type_irq = 0x80,
+ except_type_fiq = 0x100,
+ except_type_serror = 0x180,
+};
bool kvm_condition_valid32(const struct kvm_vcpu *vcpu);
-void kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr);
+void kvm_skip_instr32(struct kvm_vcpu *vcpu);
void kvm_inject_undefined(struct kvm_vcpu *vcpu);
void kvm_inject_vabt(struct kvm_vcpu *vcpu);
void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr);
void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr);
-void kvm_inject_undef32(struct kvm_vcpu *vcpu);
-void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr);
-void kvm_inject_pabt32(struct kvm_vcpu *vcpu, unsigned long addr);
static __always_inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)
{
@@ -168,30 +173,6 @@ static __always_inline void vcpu_set_reg(struct kvm_vcpu *vcpu, u8 reg_num,
vcpu_gp_regs(vcpu)->regs[reg_num] = val;
}
-static inline unsigned long vcpu_read_spsr(const struct kvm_vcpu *vcpu)
-{
- if (vcpu_mode_is_32bit(vcpu))
- return vcpu_read_spsr32(vcpu);
-
- if (vcpu->arch.sysregs_loaded_on_cpu)
- return read_sysreg_el1(SYS_SPSR);
- else
- return __vcpu_sys_reg(vcpu, SPSR_EL1);
-}
-
-static inline void vcpu_write_spsr(struct kvm_vcpu *vcpu, unsigned long v)
-{
- if (vcpu_mode_is_32bit(vcpu)) {
- vcpu_write_spsr32(vcpu, v);
- return;
- }
-
- if (vcpu->arch.sysregs_loaded_on_cpu)
- write_sysreg_el1(v, SYS_SPSR);
- else
- __vcpu_sys_reg(vcpu, SPSR_EL1) = v;
-}
-
/*
* The layout of SPSR for an AArch32 state is different when observed from an
* AArch64 SPSR_ELx or an AArch32 SPSR_*. This function generates the AArch32
@@ -477,32 +458,9 @@ static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu,
return data; /* Leave LE untouched */
}
-static __always_inline void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr)
+static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
{
- if (vcpu_mode_is_32bit(vcpu)) {
- kvm_skip_instr32(vcpu, is_wide_instr);
- } else {
- *vcpu_pc(vcpu) += 4;
- *vcpu_cpsr(vcpu) &= ~PSR_BTYPE_MASK;
- }
-
- /* advance the singlestep state machine */
- *vcpu_cpsr(vcpu) &= ~DBG_SPSR_SS;
-}
-
-/*
- * Skip an instruction which has been emulated at hyp while most guest sysregs
- * are live.
- */
-static __always_inline void __kvm_skip_instr(struct kvm_vcpu *vcpu)
-{
- *vcpu_pc(vcpu) = read_sysreg_el2(SYS_ELR);
- vcpu_gp_regs(vcpu)->pstate = read_sysreg_el2(SYS_SPSR);
-
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
-
- write_sysreg_el2(vcpu_gp_regs(vcpu)->pstate, SYS_SPSR);
- write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
+ vcpu->arch.flags |= KVM_ARM64_INCREMENT_PC;
}
static inline bool vcpu_has_feature(struct kvm_vcpu *vcpu, int feature)
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 912b83e..923ffa4 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -17,6 +17,7 @@
#include <linux/jump_label.h>
#include <linux/kvm_types.h>
#include <linux/percpu.h>
+#include <linux/psci.h>
#include <asm/arch_gicv3.h>
#include <asm/barrier.h>
#include <asm/cpufeature.h>
@@ -50,6 +51,16 @@
#define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
KVM_DIRTY_LOG_INITIALLY_SET)
+/*
+ * Mode of operation configurable with kvm-arm.mode early param.
+ * See Documentation/admin-guide/kernel-parameters.txt for more information.
+ */
+enum kvm_mode {
+ KVM_MODE_DEFAULT,
+ KVM_MODE_PROTECTED,
+};
+enum kvm_mode kvm_get_mode(void);
+
DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use);
extern unsigned int kvm_sve_max_vl;
@@ -58,8 +69,6 @@ int kvm_arm_init_sve(void);
int __attribute_const__ kvm_target_cpu(void);
int kvm_reset_vcpu(struct kvm_vcpu *vcpu);
void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu);
-int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext);
-void __extended_idmap_trampoline(phys_addr_t boot_pgd, phys_addr_t idmap_start);
struct kvm_vmid {
/* The VMID generation used for the virt. memory system */
@@ -86,7 +95,10 @@ struct kvm_s2_mmu {
/* The last vcpu id that ran on each physical CPU */
int __percpu *last_vcpu_ran;
- struct kvm *kvm;
+ struct kvm_arch *arch;
+};
+
+struct kvm_arch_memory_slot {
};
struct kvm_arch {
@@ -120,6 +132,7 @@ struct kvm_arch {
unsigned int pmuver;
u8 pfr0_csv2;
+ u8 pfr0_csv3;
};
struct kvm_vcpu_fault_info {
@@ -203,49 +216,6 @@ enum vcpu_sysreg {
NR_SYS_REGS /* Nothing after this line! */
};
-/* 32bit mapping */
-#define c0_MPIDR (MPIDR_EL1 * 2) /* MultiProcessor ID Register */
-#define c0_CSSELR (CSSELR_EL1 * 2)/* Cache Size Selection Register */
-#define c1_SCTLR (SCTLR_EL1 * 2) /* System Control Register */
-#define c1_ACTLR (ACTLR_EL1 * 2) /* Auxiliary Control Register */
-#define c1_CPACR (CPACR_EL1 * 2) /* Coprocessor Access Control */
-#define c2_TTBR0 (TTBR0_EL1 * 2) /* Translation Table Base Register 0 */
-#define c2_TTBR0_high (c2_TTBR0 + 1) /* TTBR0 top 32 bits */
-#define c2_TTBR1 (TTBR1_EL1 * 2) /* Translation Table Base Register 1 */
-#define c2_TTBR1_high (c2_TTBR1 + 1) /* TTBR1 top 32 bits */
-#define c2_TTBCR (TCR_EL1 * 2) /* Translation Table Base Control R. */
-#define c2_TTBCR2 (c2_TTBCR + 1) /* Translation Table Base Control R. 2 */
-#define c3_DACR (DACR32_EL2 * 2)/* Domain Access Control Register */
-#define c5_DFSR (ESR_EL1 * 2) /* Data Fault Status Register */
-#define c5_IFSR (IFSR32_EL2 * 2)/* Instruction Fault Status Register */
-#define c5_ADFSR (AFSR0_EL1 * 2) /* Auxiliary Data Fault Status R */
-#define c5_AIFSR (AFSR1_EL1 * 2) /* Auxiliary Instr Fault Status R */
-#define c6_DFAR (FAR_EL1 * 2) /* Data Fault Address Register */
-#define c6_IFAR (c6_DFAR + 1) /* Instruction Fault Address Register */
-#define c7_PAR (PAR_EL1 * 2) /* Physical Address Register */
-#define c7_PAR_high (c7_PAR + 1) /* PAR top 32 bits */
-#define c10_PRRR (MAIR_EL1 * 2) /* Primary Region Remap Register */
-#define c10_NMRR (c10_PRRR + 1) /* Normal Memory Remap Register */
-#define c12_VBAR (VBAR_EL1 * 2) /* Vector Base Address Register */
-#define c13_CID (CONTEXTIDR_EL1 * 2) /* Context ID Register */
-#define c13_TID_URW (TPIDR_EL0 * 2) /* Thread ID, User R/W */
-#define c13_TID_URO (TPIDRRO_EL0 * 2)/* Thread ID, User R/O */
-#define c13_TID_PRIV (TPIDR_EL1 * 2) /* Thread ID, Privileged */
-#define c10_AMAIR0 (AMAIR_EL1 * 2) /* Aux Memory Attr Indirection Reg */
-#define c10_AMAIR1 (c10_AMAIR0 + 1)/* Aux Memory Attr Indirection Reg */
-#define c14_CNTKCTL (CNTKCTL_EL1 * 2) /* Timer Control Register (PL1) */
-
-#define cp14_DBGDSCRext (MDSCR_EL1 * 2)
-#define cp14_DBGBCR0 (DBGBCR0_EL1 * 2)
-#define cp14_DBGBVR0 (DBGBVR0_EL1 * 2)
-#define cp14_DBGBXVR0 (cp14_DBGBVR0 + 1)
-#define cp14_DBGWCR0 (DBGWCR0_EL1 * 2)
-#define cp14_DBGWVR0 (DBGWVR0_EL1 * 2)
-#define cp14_DBGDCCINT (MDCCINT_EL1 * 2)
-#define cp14_DBGVCR (DBGVCR32_EL2 * 2)
-
-#define NR_COPRO_REGS (NR_SYS_REGS * 2)
-
struct kvm_cpu_context {
struct user_pt_regs regs; /* sp = sp_el0 */
@@ -256,10 +226,7 @@ struct kvm_cpu_context {
struct user_fpsimd_state fp_regs;
- union {
- u64 sys_regs[NR_SYS_REGS];
- u32 copro[NR_COPRO_REGS];
- };
+ u64 sys_regs[NR_SYS_REGS];
struct kvm_vcpu *__hyp_running_vcpu;
};
@@ -274,6 +241,28 @@ struct kvm_host_data {
struct kvm_pmu_events pmu_events;
};
+struct kvm_host_psci_config {
+ /* PSCI version used by host. */
+ u32 version;
+
+ /* Function IDs used by host if version is v0.1. */
+ struct psci_0_1_function_ids function_ids_0_1;
+
+ bool psci_0_1_cpu_suspend_implemented;
+ bool psci_0_1_cpu_on_implemented;
+ bool psci_0_1_cpu_off_implemented;
+ bool psci_0_1_migrate_implemented;
+};
+
+extern struct kvm_host_psci_config kvm_nvhe_sym(kvm_host_psci_config);
+#define kvm_host_psci_config CHOOSE_NVHE_SYM(kvm_host_psci_config)
+
+extern s64 kvm_nvhe_sym(hyp_physvirt_offset);
+#define hyp_physvirt_offset CHOOSE_NVHE_SYM(hyp_physvirt_offset)
+
+extern u64 kvm_nvhe_sym(hyp_cpu_logical_map)[NR_CPUS];
+#define hyp_cpu_logical_map CHOOSE_NVHE_SYM(hyp_cpu_logical_map)
+
struct vcpu_reset_state {
unsigned long pc;
unsigned long r0;
@@ -327,6 +316,8 @@ struct kvm_vcpu_arch {
struct kvm_guest_debug_arch regs;
/* Statistical profiling extension */
u64 pmscr_el1;
+ /* Self-hosted trace */
+ u64 trfcr_el1;
} host_debug_state;
/* VGIC state */
@@ -384,8 +375,10 @@ struct kvm_vcpu_arch {
};
/* Pointer to the vcpu's SVE FFR for sve_{save,load}_state() */
-#define vcpu_sve_pffr(vcpu) ((void *)((char *)((vcpu)->arch.sve_state) + \
- sve_ffr_offset((vcpu)->arch.sve_max_vl)))
+#define vcpu_sve_pffr(vcpu) (kern_hyp_va((vcpu)->arch.sve_state) + \
+ sve_ffr_offset((vcpu)->arch.sve_max_vl))
+
+#define vcpu_sve_max_vq(vcpu) sve_vq_from_vl((vcpu)->arch.sve_max_vl)
#define vcpu_sve_state_size(vcpu) ({ \
size_t __size_ret; \
@@ -394,7 +387,7 @@ struct kvm_vcpu_arch {
if (WARN_ON(!sve_vl_valid((vcpu)->arch.sve_max_vl))) { \
__size_ret = 0; \
} else { \
- __vcpu_vq = sve_vq_from_vl((vcpu)->arch.sve_max_vl); \
+ __vcpu_vq = vcpu_sve_max_vq(vcpu); \
__size_ret = SVE_SIG_REGS_SIZE(__vcpu_vq); \
} \
\
@@ -410,8 +403,35 @@ struct kvm_vcpu_arch {
#define KVM_ARM64_GUEST_HAS_SVE (1 << 5) /* SVE exposed to guest */
#define KVM_ARM64_VCPU_SVE_FINALIZED (1 << 6) /* SVE config completed */
#define KVM_ARM64_GUEST_HAS_PTRAUTH (1 << 7) /* PTRAUTH exposed to guest */
+#define KVM_ARM64_PENDING_EXCEPTION (1 << 8) /* Exception pending */
+#define KVM_ARM64_EXCEPT_MASK (7 << 9) /* Target EL/MODE */
+#define KVM_ARM64_DEBUG_STATE_SAVE_SPE (1 << 12) /* Save SPE context if active */
+#define KVM_ARM64_DEBUG_STATE_SAVE_TRBE (1 << 13) /* Save TRBE context if active */
-#define vcpu_has_sve(vcpu) (system_supports_sve() && \
+/*
+ * When KVM_ARM64_PENDING_EXCEPTION is set, KVM_ARM64_EXCEPT_MASK can
+ * take the following values:
+ *
+ * For AArch32 EL1:
+ */
+#define KVM_ARM64_EXCEPT_AA32_UND (0 << 9)
+#define KVM_ARM64_EXCEPT_AA32_IABT (1 << 9)
+#define KVM_ARM64_EXCEPT_AA32_DABT (2 << 9)
+/* For AArch64: */
+#define KVM_ARM64_EXCEPT_AA64_ELx_SYNC (0 << 9)
+#define KVM_ARM64_EXCEPT_AA64_ELx_IRQ (1 << 9)
+#define KVM_ARM64_EXCEPT_AA64_ELx_FIQ (2 << 9)
+#define KVM_ARM64_EXCEPT_AA64_ELx_SERR (3 << 9)
+#define KVM_ARM64_EXCEPT_AA64_EL1 (0 << 11)
+#define KVM_ARM64_EXCEPT_AA64_EL2 (1 << 11)
+
+/*
+ * Overlaps with KVM_ARM64_EXCEPT_MASK on purpose so that it can't be
+ * set together with an exception...
+ */
+#define KVM_ARM64_INCREMENT_PC (1 << 9) /* Increment PC */
+
+#define vcpu_has_sve(vcpu) (system_supports_sve() && \
((vcpu)->arch.flags & KVM_ARM64_GUEST_HAS_SVE))
#ifdef CONFIG_ARM64_PTR_AUTH
@@ -441,14 +461,96 @@ struct kvm_vcpu_arch {
u64 vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg);
void vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg);
-/*
- * CP14 and CP15 live in the same array, as they are backed by the
- * same system registers.
- */
-#define CPx_BIAS IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
+static inline bool __vcpu_read_sys_reg_from_cpu(int reg, u64 *val)
+{
+ /*
+ * *** VHE ONLY ***
+ *
+ * System registers listed in the switch are not saved on every
+ * exit from the guest but are only saved on vcpu_put.
+ *
+ * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
+ * should never be listed below, because the guest cannot modify its
+ * own MPIDR_EL1 and MPIDR_EL1 is accessed for VCPU A from VCPU B's
+ * thread when emulating cross-VCPU communication.
+ */
+ if (!has_vhe())
+ return false;
-#define vcpu_cp14(v,r) ((v)->arch.ctxt.copro[(r) ^ CPx_BIAS])
-#define vcpu_cp15(v,r) ((v)->arch.ctxt.copro[(r) ^ CPx_BIAS])
+ switch (reg) {
+ case CSSELR_EL1: *val = read_sysreg_s(SYS_CSSELR_EL1); break;
+ case SCTLR_EL1: *val = read_sysreg_s(SYS_SCTLR_EL12); break;
+ case CPACR_EL1: *val = read_sysreg_s(SYS_CPACR_EL12); break;
+ case TTBR0_EL1: *val = read_sysreg_s(SYS_TTBR0_EL12); break;
+ case TTBR1_EL1: *val = read_sysreg_s(SYS_TTBR1_EL12); break;
+ case TCR_EL1: *val = read_sysreg_s(SYS_TCR_EL12); break;
+ case ESR_EL1: *val = read_sysreg_s(SYS_ESR_EL12); break;
+ case AFSR0_EL1: *val = read_sysreg_s(SYS_AFSR0_EL12); break;
+ case AFSR1_EL1: *val = read_sysreg_s(SYS_AFSR1_EL12); break;
+ case FAR_EL1: *val = read_sysreg_s(SYS_FAR_EL12); break;
+ case MAIR_EL1: *val = read_sysreg_s(SYS_MAIR_EL12); break;
+ case VBAR_EL1: *val = read_sysreg_s(SYS_VBAR_EL12); break;
+ case CONTEXTIDR_EL1: *val = read_sysreg_s(SYS_CONTEXTIDR_EL12);break;
+ case TPIDR_EL0: *val = read_sysreg_s(SYS_TPIDR_EL0); break;
+ case TPIDRRO_EL0: *val = read_sysreg_s(SYS_TPIDRRO_EL0); break;
+ case TPIDR_EL1: *val = read_sysreg_s(SYS_TPIDR_EL1); break;
+ case AMAIR_EL1: *val = read_sysreg_s(SYS_AMAIR_EL12); break;
+ case CNTKCTL_EL1: *val = read_sysreg_s(SYS_CNTKCTL_EL12); break;
+ case ELR_EL1: *val = read_sysreg_s(SYS_ELR_EL12); break;
+ case PAR_EL1: *val = read_sysreg_par(); break;
+ case DACR32_EL2: *val = read_sysreg_s(SYS_DACR32_EL2); break;
+ case IFSR32_EL2: *val = read_sysreg_s(SYS_IFSR32_EL2); break;
+ case DBGVCR32_EL2: *val = read_sysreg_s(SYS_DBGVCR32_EL2); break;
+ default: return false;
+ }
+
+ return true;
+}
+
+static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
+{
+ /*
+ * *** VHE ONLY ***
+ *
+ * System registers listed in the switch are not restored on every
+ * entry to the guest but are only restored on vcpu_load.
+ *
+ * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
+ * should never be listed below, because the MPIDR should only be set
+ * once, before running the VCPU, and never changed later.
+ */
+ if (!has_vhe())
+ return false;
+
+ switch (reg) {
+ case CSSELR_EL1: write_sysreg_s(val, SYS_CSSELR_EL1); break;
+ case SCTLR_EL1: write_sysreg_s(val, SYS_SCTLR_EL12); break;
+ case CPACR_EL1: write_sysreg_s(val, SYS_CPACR_EL12); break;
+ case TTBR0_EL1: write_sysreg_s(val, SYS_TTBR0_EL12); break;
+ case TTBR1_EL1: write_sysreg_s(val, SYS_TTBR1_EL12); break;
+ case TCR_EL1: write_sysreg_s(val, SYS_TCR_EL12); break;
+ case ESR_EL1: write_sysreg_s(val, SYS_ESR_EL12); break;
+ case AFSR0_EL1: write_sysreg_s(val, SYS_AFSR0_EL12); break;
+ case AFSR1_EL1: write_sysreg_s(val, SYS_AFSR1_EL12); break;
+ case FAR_EL1: write_sysreg_s(val, SYS_FAR_EL12); break;
+ case MAIR_EL1: write_sysreg_s(val, SYS_MAIR_EL12); break;
+ case VBAR_EL1: write_sysreg_s(val, SYS_VBAR_EL12); break;
+ case CONTEXTIDR_EL1: write_sysreg_s(val, SYS_CONTEXTIDR_EL12);break;
+ case TPIDR_EL0: write_sysreg_s(val, SYS_TPIDR_EL0); break;
+ case TPIDRRO_EL0: write_sysreg_s(val, SYS_TPIDRRO_EL0); break;
+ case TPIDR_EL1: write_sysreg_s(val, SYS_TPIDR_EL1); break;
+ case AMAIR_EL1: write_sysreg_s(val, SYS_AMAIR_EL12); break;
+ case CNTKCTL_EL1: write_sysreg_s(val, SYS_CNTKCTL_EL12); break;
+ case ELR_EL1: write_sysreg_s(val, SYS_ELR_EL12); break;
+ case PAR_EL1: write_sysreg_s(val, SYS_PAR_EL1); break;
+ case DACR32_EL2: write_sysreg_s(val, SYS_DACR32_EL2); break;
+ case IFSR32_EL2: write_sysreg_s(val, SYS_IFSR32_EL2); break;
+ case DBGVCR32_EL2: write_sysreg_s(val, SYS_DBGVCR32_EL2); break;
+ default: return false;
+ }
+
+ return true;
+}
struct kvm_vm_stat {
ulong remote_tlb_flush;
@@ -474,6 +576,12 @@ unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu);
int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *indices);
int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg);
+
+unsigned long kvm_arm_num_sys_reg_descs(struct kvm_vcpu *vcpu);
+int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
+int kvm_arm_sys_reg_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
+int kvm_arm_sys_reg_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
+
int __kvm_arm_vcpu_get_events(struct kvm_vcpu *vcpu,
struct kvm_vcpu_events *events);
@@ -490,6 +598,7 @@ int kvm_test_age_hva(struct kvm *kvm, unsigned long hva);
void kvm_arm_halt_guest(struct kvm *kvm);
void kvm_arm_resume_guest(struct kvm *kvm);
+#ifndef __KVM_NVHE_HYPERVISOR__
#define kvm_call_hyp_nvhe(f, ...) \
({ \
struct arm_smccc_res res; \
@@ -529,6 +638,11 @@ void kvm_arm_resume_guest(struct kvm *kvm);
\
ret; \
})
+#else /* __KVM_NVHE_HYPERVISOR__ */
+#define kvm_call_hyp(f, ...) f(__VA_ARGS__)
+#define kvm_call_hyp_ret(f, ...) f(__VA_ARGS__)
+#define kvm_call_hyp_nvhe(f, ...) f(__VA_ARGS__)
+#endif /* __KVM_NVHE_HYPERVISOR__ */
void force_vm_exit(const cpumask_t *mask);
void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot);
@@ -536,6 +650,17 @@ void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot);
int handle_exit(struct kvm_vcpu *vcpu, int exception_index);
void handle_exit_early(struct kvm_vcpu *vcpu, int exception_index);
+int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu);
+int kvm_handle_cp14_32(struct kvm_vcpu *vcpu);
+int kvm_handle_cp14_64(struct kvm_vcpu *vcpu);
+int kvm_handle_cp15_32(struct kvm_vcpu *vcpu);
+int kvm_handle_cp15_64(struct kvm_vcpu *vcpu);
+int kvm_handle_sys_reg(struct kvm_vcpu *vcpu);
+
+void kvm_reset_sys_regs(struct kvm_vcpu *vcpu);
+
+void kvm_sys_reg_table_init(void);
+
/* MMIO helpers */
void kvm_mmio_write_buf(void *buf, unsigned int len, unsigned long data);
unsigned long kvm_mmio_read_buf(const void *buf, unsigned int len);
@@ -580,19 +705,6 @@ static inline void kvm_init_host_cpu_context(struct kvm_cpu_context *cpu_ctxt)
ctxt_sys_reg(cpu_ctxt, MPIDR_EL1) = read_cpuid_mpidr();
}
-static inline bool kvm_arch_requires_vhe(void)
-{
- /*
- * The Arm architecture specifies that implementation of SVE
- * requires VHE also to be implemented. The KVM code for arm64
- * relies on this when SVE is present:
- */
- if (system_supports_sve())
- return true;
-
- return false;
-}
-
void kvm_arm_vcpu_ptrauth_trap(struct kvm_vcpu *vcpu);
static inline void kvm_arch_hardware_unsetup(void) {}
@@ -623,6 +735,10 @@ static inline bool kvm_pmu_counter_deferred(struct perf_event_attr *attr)
return (!has_vhe() && attr->exclude_host);
}
+/* Flags for host debug state */
+void kvm_arch_vcpu_load_debug_state_flags(struct kvm_vcpu *vcpu);
+void kvm_arch_vcpu_put_debug_state_flags(struct kvm_vcpu *vcpu);
+
#ifdef CONFIG_KVM /* Avoid conflicts with core headers if CONFIG_KVM=n */
static inline int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
{
@@ -656,4 +772,16 @@ bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);
#define kvm_arm_vcpu_sve_finalized(vcpu) \
((vcpu)->arch.flags & KVM_ARM64_VCPU_SVE_FINALIZED)
+#define kvm_vcpu_has_pmu(vcpu) \
+ (test_bit(KVM_ARM_VCPU_PMU_V3, (vcpu)->arch.features))
+
+int kvm_trng_call(struct kvm_vcpu *vcpu);
+#ifdef CONFIG_KVM
+extern phys_addr_t hyp_mem_base;
+extern phys_addr_t hyp_mem_size;
+void __init kvm_hyp_reserve(void);
+#else
+static inline void kvm_hyp_reserve(void) { }
+#endif
+
#endif /* __ARM64_KVM_HOST_H__ */
diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h
index 123e67c..8ef9d88 100644
--- a/arch/arm64/include/asm/kvm_hyp.h
+++ b/arch/arm64/include/asm/kvm_hyp.h
@@ -14,6 +14,7 @@
DECLARE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt);
DECLARE_PER_CPU(unsigned long, kvm_hyp_vector);
+DECLARE_PER_CPU(struct kvm_nvhe_init_params, kvm_init_params);
#define read_sysreg_elx(r,nvh,vh) \
({ \
@@ -89,6 +90,8 @@ void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu);
void __fpsimd_save_state(struct user_fpsimd_state *fp_regs);
void __fpsimd_restore_state(struct user_fpsimd_state *fp_regs);
+void __sve_save_state(void *sve_pffr, u32 *fpsr);
+void __sve_restore_state(void *sve_pffr, u32 *fpsr);
#ifndef __KVM_NVHE_HYPERVISOR__
void activate_traps_vhe_load(struct kvm_vcpu *vcpu);
@@ -97,11 +100,23 @@ void deactivate_traps_vhe_put(void);
u64 __guest_enter(struct kvm_vcpu *vcpu);
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt);
+
void __noreturn hyp_panic(void);
#ifdef __KVM_NVHE_HYPERVISOR__
void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
u64 elr, u64 par);
#endif
-#endif /* __ARM64_KVM_HYP_H__ */
+#ifdef __KVM_NVHE_HYPERVISOR__
+void __pkvm_init_switch_pgd(phys_addr_t phys, unsigned long size,
+ phys_addr_t pgd, void *sp, void *cont_fn);
+int __pkvm_init(phys_addr_t phys, unsigned long size, unsigned long nr_cpus,
+ unsigned long *per_cpu_base, u32 hyp_va_bits);
+void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt);
+#endif
+extern u64 kvm_nvhe_sym(id_aa64mmfr0_el1_sys_val);
+extern u64 kvm_nvhe_sym(id_aa64mmfr1_el1_sys_val);
+
+#endif /* __ARM64_KVM_HYP_H__ */
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index 3313943..9d64fa7 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -72,6 +72,42 @@ alternative_cb kvm_update_va_mask
alternative_cb_end
.endm
+/*
+ * Convert a hypervisor VA to a PA
+ * reg: hypervisor address to be converted in place
+ * tmp: temporary register
+ */
+.macro hyp_pa reg, tmp
+ ldr_l \tmp, hyp_physvirt_offset
+ add \reg, \reg, \tmp
+.endm
+
+/*
+ * Convert a hypervisor VA to a kernel image address
+ * reg: hypervisor address to be converted in place
+ * tmp: temporary register
+ *
+ * The actual code generation takes place in kvm_get_kimage_voffset, and
+ * the instructions below are only there to reserve the space and
+ * perform the register allocation (kvm_get_kimage_voffset uses the
+ * specific registers encoded in the instructions).
+ */
+.macro hyp_kimg_va reg, tmp
+ /* Convert hyp VA -> PA. */
+ hyp_pa \reg, \tmp
+
+ /* Load kimage_voffset. */
+alternative_cb kvm_get_kimage_voffset
+ movz \tmp, #0
+ movk \tmp, #0, lsl #16
+ movk \tmp, #0, lsl #32
+ movk \tmp, #0, lsl #48
+alternative_cb_end
+
+ /* Convert PA -> kimg VA. */
+ add \reg, \reg, \tmp
+.endm
+
#else
#include <linux/pgtable.h>
@@ -83,6 +119,7 @@ alternative_cb_end
void kvm_update_va_mask(struct alt_instr *alt,
__le32 *origptr, __le32 *updptr, int nr_inst);
void kvm_compute_layout(void);
+void kvm_apply_hyp_relocations(void);
static __always_inline unsigned long __kern_hyp_va(unsigned long v)
{
@@ -129,7 +166,15 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu);
phys_addr_t kvm_mmu_get_httbr(void);
phys_addr_t kvm_get_idmap_vector(void);
-int kvm_mmu_init(void);
+int kvm_mmu_init(u32 *hyp_va_bits);
+
+static inline void *__kvm_vector_slot2addr(void *base,
+ enum arm64_hyp_spectre_vector slot)
+{
+ int idx = slot - (slot != HYP_VECTOR_DIRECT);
+
+ return base + (idx * SZ_2K);
+}
struct kvm;
@@ -208,52 +253,6 @@ static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa,
return ret;
}
-/*
- * EL2 vectors can be mapped and rerouted in a number of ways,
- * depending on the kernel configuration and CPU present:
- *
- * - If the CPU is affected by Spectre-v2, the hardening sequence is
- * placed in one of the vector slots, which is executed before jumping
- * to the real vectors.
- *
- * - If the CPU also has the ARM64_HARDEN_EL2_VECTORS cap, the slot
- * containing the hardening sequence is mapped next to the idmap page,
- * and executed before jumping to the real vectors.
- *
- * - If the CPU only has the ARM64_HARDEN_EL2_VECTORS cap, then an
- * empty slot is selected, mapped next to the idmap page, and
- * executed before jumping to the real vectors.
- *
- * Note that ARM64_HARDEN_EL2_VECTORS is somewhat incompatible with
- * VHE, as we don't have hypervisor-specific mappings. If the system
- * is VHE and yet selects this capability, it will be ignored.
- */
-extern void *__kvm_bp_vect_base;
-extern int __kvm_harden_el2_vector_slot;
-
-static inline void *kvm_get_hyp_vector(void)
-{
- struct bp_hardening_data *data = arm64_get_bp_hardening_data();
- void *vect = kern_hyp_va(kvm_ksym_ref(__kvm_hyp_vector));
- int slot = -1;
-
- if (cpus_have_const_cap(ARM64_SPECTRE_V2) && data->fn) {
- vect = kern_hyp_va(kvm_ksym_ref(__bp_harden_hyp_vecs));
- slot = data->hyp_vectors_slot;
- }
-
- if (this_cpu_has_cap(ARM64_HARDEN_EL2_VECTORS) && !has_vhe()) {
- vect = __kvm_bp_vect_base;
- if (slot == -1)
- slot = __kvm_harden_el2_vector_slot;
- }
-
- if (slot != -1)
- vect += slot * SZ_2K;
-
- return vect;
-}
-
#define kvm_phys_to_vttbr(addr) phys_to_ttbr(addr)
static __always_inline u64 kvm_get_vttbr(struct kvm_s2_mmu *mmu)
@@ -271,9 +270,9 @@ static __always_inline u64 kvm_get_vttbr(struct kvm_s2_mmu *mmu)
* Must be called from hyp code running at EL2 with an updated VTTBR
* and interrupts disabled.
*/
-static __always_inline void __load_guest_stage2(struct kvm_s2_mmu *mmu)
+static __always_inline void __load_stage2(struct kvm_s2_mmu *mmu, unsigned long vtcr)
{
- write_sysreg(kern_hyp_va(mmu->kvm)->arch.vtcr, vtcr_el2);
+ write_sysreg(vtcr, vtcr_el2);
write_sysreg(kvm_get_vttbr(mmu), vttbr_el2);
/*
@@ -284,5 +283,14 @@ static __always_inline void __load_guest_stage2(struct kvm_s2_mmu *mmu)
asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT));
}
+static __always_inline void __load_guest_stage2(struct kvm_s2_mmu *mmu)
+{
+ __load_stage2(mmu, kern_hyp_va(mmu->arch)->vtcr);
+}
+
+static inline struct kvm *kvm_s2_mmu_to_kvm(struct kvm_s2_mmu *mmu)
+{
+ return container_of(mmu->arch, struct kvm, arch);
+}
#endif /* __ASSEMBLY__ */
#endif /* __ARM64_KVM_MMU_H__ */
diff --git a/arch/arm64/include/asm/kvm_pgtable.h b/arch/arm64/include/asm/kvm_pgtable.h
index 52ab38d..c3674c4 100644
--- a/arch/arm64/include/asm/kvm_pgtable.h
+++ b/arch/arm64/include/asm/kvm_pgtable.h
@@ -11,22 +11,79 @@
#include <linux/kvm_host.h>
#include <linux/types.h>
+#define KVM_PGTABLE_MAX_LEVELS 4U
+
+static inline u64 kvm_get_parange(u64 mmfr0)
+{
+ u64 parange = cpuid_feature_extract_unsigned_field(mmfr0,
+ ID_AA64MMFR0_PARANGE_SHIFT);
+ if (parange > ID_AA64MMFR0_PARANGE_MAX)
+ parange = ID_AA64MMFR0_PARANGE_MAX;
+
+ return parange;
+}
+
typedef u64 kvm_pte_t;
/**
+ * struct kvm_pgtable_mm_ops - Memory management callbacks.
+ * @zalloc_page: Allocate a single zeroed memory page. The @arg parameter
+ * can be used by the walker to pass a memcache. The
+ * initial refcount of the page is 1.
+ * @zalloc_pages_exact: Allocate an exact number of zeroed memory pages. The
+ * @size parameter is in bytes, and is rounded-up to the
+ * next page boundary. The resulting allocation is
+ * physically contiguous.
+ * @free_pages_exact: Free an exact number of memory pages previously
+ * allocated by zalloc_pages_exact.
+ * @get_page: Increment the refcount on a page.
+ * @put_page: Decrement the refcount on a page. When the refcount
+ * reaches 0 the page is automatically freed.
+ * @page_count: Return the refcount of a page.
+ * @phys_to_virt: Convert a physical address into a virtual address mapped
+ * in the current context.
+ * @virt_to_phys: Convert a virtual address mapped in the current context
+ * into a physical address.
+ */
+struct kvm_pgtable_mm_ops {
+ void* (*zalloc_page)(void *arg);
+ void* (*zalloc_pages_exact)(size_t size);
+ void (*free_pages_exact)(void *addr, size_t size);
+ void (*get_page)(void *addr);
+ void (*put_page)(void *addr);
+ int (*page_count)(void *addr);
+ void* (*phys_to_virt)(phys_addr_t phys);
+ phys_addr_t (*virt_to_phys)(void *addr);
+};
+
+/**
+ * enum kvm_pgtable_stage2_flags - Stage-2 page-table flags.
+ * @KVM_PGTABLE_S2_NOFWB: Don't enforce Normal-WB even if the CPUs have
+ * ARM64_HAS_STAGE2_FWB.
+ * @KVM_PGTABLE_S2_IDMAP: Only use identity mappings.
+ */
+enum kvm_pgtable_stage2_flags {
+ KVM_PGTABLE_S2_NOFWB = BIT(0),
+ KVM_PGTABLE_S2_IDMAP = BIT(1),
+};
+
+/**
* struct kvm_pgtable - KVM page-table.
* @ia_bits: Maximum input address size, in bits.
* @start_level: Level at which the page-table walk starts.
* @pgd: Pointer to the first top-level entry of the page-table.
+ * @mm_ops: Memory management callbacks.
* @mmu: Stage-2 KVM MMU struct. Unused for stage-1 page-tables.
*/
struct kvm_pgtable {
u32 ia_bits;
u32 start_level;
kvm_pte_t *pgd;
+ struct kvm_pgtable_mm_ops *mm_ops;
/* Stage-2 only */
struct kvm_s2_mmu *mmu;
+ enum kvm_pgtable_stage2_flags flags;
};
/**
@@ -50,6 +107,16 @@ enum kvm_pgtable_prot {
#define PAGE_HYP_DEVICE (PAGE_HYP | KVM_PGTABLE_PROT_DEVICE)
/**
+ * struct kvm_mem_range - Range of Intermediate Physical Addresses
+ * @start: Start of the range.
+ * @end: End of the range.
+ */
+struct kvm_mem_range {
+ u64 start;
+ u64 end;
+};
+
+/**
* enum kvm_pgtable_walk_flags - Flags to control a depth-first page-table walk.
* @KVM_PGTABLE_WALK_LEAF: Visit leaf entries, including invalid
* entries.
@@ -86,10 +153,12 @@ struct kvm_pgtable_walker {
* kvm_pgtable_hyp_init() - Initialise a hypervisor stage-1 page-table.
* @pgt: Uninitialised page-table structure to initialise.
* @va_bits: Maximum virtual address bits.
+ * @mm_ops: Memory management callbacks.
*
* Return: 0 on success, negative error code on failure.
*/
-int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits);
+int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits,
+ struct kvm_pgtable_mm_ops *mm_ops);
/**
* kvm_pgtable_hyp_destroy() - Destroy an unused hypervisor stage-1 page-table.
@@ -123,17 +192,41 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys,
enum kvm_pgtable_prot prot);
/**
- * kvm_pgtable_stage2_init() - Initialise a guest stage-2 page-table.
+ * kvm_get_vtcr() - Helper to construct VTCR_EL2
+ * @mmfr0: Sanitized value of SYS_ID_AA64MMFR0_EL1 register.
+ * @mmfr1: Sanitized value of SYS_ID_AA64MMFR1_EL1 register.
+ * @phys_shfit: Value to set in VTCR_EL2.T0SZ.
+ *
+ * The VTCR value is common across all the physical CPUs on the system.
+ * We use system wide sanitised values to fill in different fields,
+ * except for Hardware Management of Access Flags. HA Flag is set
+ * unconditionally on all CPUs, as it is safe to run with or without
+ * the feature and the bit is RES0 on CPUs that don't support it.
+ *
+ * Return: VTCR_EL2 value
+ */
+u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift);
+
+/**
+ * kvm_pgtable_stage2_init_flags() - Initialise a guest stage-2 page-table.
* @pgt: Uninitialised page-table structure to initialise.
- * @kvm: KVM structure representing the guest virtual machine.
+ * @arch: Arch-specific KVM structure representing the guest virtual
+ * machine.
+ * @mm_ops: Memory management callbacks.
+ * @flags: Stage-2 configuration flags.
*
* Return: 0 on success, negative error code on failure.
*/
-int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm);
+int kvm_pgtable_stage2_init_flags(struct kvm_pgtable *pgt, struct kvm_arch *arch,
+ struct kvm_pgtable_mm_ops *mm_ops,
+ enum kvm_pgtable_stage2_flags flags);
+
+#define kvm_pgtable_stage2_init(pgt, arch, mm_ops) \
+ kvm_pgtable_stage2_init_flags(pgt, arch, mm_ops, 0)
/**
* kvm_pgtable_stage2_destroy() - Destroy an unused guest stage-2 page-table.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
*
* The page-table is assumed to be unreachable by any hardware walkers prior
* to freeing and therefore no TLB invalidation is performed.
@@ -142,13 +235,13 @@ void kvm_pgtable_stage2_destroy(struct kvm_pgtable *pgt);
/**
* kvm_pgtable_stage2_map() - Install a mapping in a guest stage-2 page-table.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address at which to place the mapping.
* @size: Size of the mapping.
* @phys: Physical address of the memory to map.
* @prot: Permissions and attributes for the mapping.
- * @mc: Cache of pre-allocated GFP_PGTABLE_USER memory from which to
- * allocate page-table pages.
+ * @mc: Cache of pre-allocated and zeroed memory from which to allocate
+ * page-table pages.
*
* The offset of @addr within a page is ignored, @size is rounded-up to
* the next page boundary and @phys is rounded-down to the previous page
@@ -157,6 +250,11 @@ void kvm_pgtable_stage2_destroy(struct kvm_pgtable *pgt);
* If device attributes are not explicitly requested in @prot, then the
* mapping will be normal, cacheable.
*
+ * Note that the update of a valid leaf PTE in this function will be aborted,
+ * if it's trying to recreate the exact same mapping or only change the access
+ * permissions. Instead, the vCPU will exit one more time from guest if still
+ * needed and then go through the path of relaxing permissions.
+ *
* Note that this function will both coalesce existing table entries and split
* existing block mappings, relying on page-faults to fault back areas outside
* of the new mapping lazily.
@@ -165,11 +263,31 @@ void kvm_pgtable_stage2_destroy(struct kvm_pgtable *pgt);
*/
int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
u64 phys, enum kvm_pgtable_prot prot,
- struct kvm_mmu_memory_cache *mc);
+ void *mc);
+
+/**
+ * kvm_pgtable_stage2_set_owner() - Unmap and annotate pages in the IPA space to
+ * track ownership.
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
+ * @addr: Base intermediate physical address to annotate.
+ * @size: Size of the annotated range.
+ * @mc: Cache of pre-allocated and zeroed memory from which to allocate
+ * page-table pages.
+ * @owner_id: Unique identifier for the owner of the page.
+ *
+ * By default, all page-tables are owned by identifier 0. This function can be
+ * used to mark portions of the IPA space as owned by other entities. When a
+ * stage 2 is used with identity-mappings, these annotations allow to use the
+ * page-table data structure as a simple rmap.
+ *
+ * Return: 0 on success, negative error code on failure.
+ */
+int kvm_pgtable_stage2_set_owner(struct kvm_pgtable *pgt, u64 addr, u64 size,
+ void *mc, u8 owner_id);
/**
* kvm_pgtable_stage2_unmap() - Remove a mapping from a guest stage-2 page-table.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address from which to remove the mapping.
* @size: Size of the mapping.
*
@@ -189,7 +307,7 @@ int kvm_pgtable_stage2_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size);
/**
* kvm_pgtable_stage2_wrprotect() - Write-protect guest stage-2 address range
* without TLB invalidation.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address from which to write-protect,
* @size: Size of the range.
*
@@ -206,7 +324,7 @@ int kvm_pgtable_stage2_wrprotect(struct kvm_pgtable *pgt, u64 addr, u64 size);
/**
* kvm_pgtable_stage2_mkyoung() - Set the access flag in a page-table entry.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address to identify the page-table entry.
*
* The offset of @addr within a page is ignored.
@@ -220,7 +338,7 @@ kvm_pte_t kvm_pgtable_stage2_mkyoung(struct kvm_pgtable *pgt, u64 addr);
/**
* kvm_pgtable_stage2_mkold() - Clear the access flag in a page-table entry.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address to identify the page-table entry.
*
* The offset of @addr within a page is ignored.
@@ -239,7 +357,7 @@ kvm_pte_t kvm_pgtable_stage2_mkold(struct kvm_pgtable *pgt, u64 addr);
/**
* kvm_pgtable_stage2_relax_perms() - Relax the permissions enforced by a
* page-table entry.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address to identify the page-table entry.
* @prot: Additional permissions to grant for the mapping.
*
@@ -258,7 +376,7 @@ int kvm_pgtable_stage2_relax_perms(struct kvm_pgtable *pgt, u64 addr,
/**
* kvm_pgtable_stage2_is_young() - Test whether a page-table entry has the
* access flag set.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address to identify the page-table entry.
*
* The offset of @addr within a page is ignored.
@@ -271,7 +389,7 @@ bool kvm_pgtable_stage2_is_young(struct kvm_pgtable *pgt, u64 addr);
* kvm_pgtable_stage2_flush_range() - Clean and invalidate data cache to Point
* of Coherency for guest stage-2 address
* range.
- * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init().
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
* @addr: Intermediate physical address from which to flush.
* @size: Size of the range.
*
@@ -306,4 +424,23 @@ int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size);
int kvm_pgtable_walk(struct kvm_pgtable *pgt, u64 addr, u64 size,
struct kvm_pgtable_walker *walker);
+/**
+ * kvm_pgtable_stage2_find_range() - Find a range of Intermediate Physical
+ * Addresses with compatible permission
+ * attributes.
+ * @pgt: Page-table structure initialised by kvm_pgtable_stage2_init*().
+ * @addr: Address that must be covered by the range.
+ * @prot: Protection attributes that the range must be compatible with.
+ * @range: Range structure used to limit the search space at call time and
+ * that will hold the result.
+ *
+ * The offset of @addr within a page is ignored. An IPA is compatible with @prot
+ * iff its corresponding stage-2 page-table entry has default ownership and, if
+ * valid, is mapped with protection attributes identical to @prot.
+ *
+ * Return: 0 on success, negative error code on failure.
+ */
+int kvm_pgtable_stage2_find_range(struct kvm_pgtable *pgt, u64 addr,
+ enum kvm_pgtable_prot prot,
+ struct kvm_mem_range *range);
#endif /* __ARM64_KVM_PGTABLE_H__ */
diff --git a/arch/arm64/include/asm/lse.h b/arch/arm64/include/asm/lse.h
index 5d10051..29d0719 100644
--- a/arch/arm64/include/asm/lse.h
+++ b/arch/arm64/include/asm/lse.h
@@ -4,7 +4,7 @@
#include <asm/atomic_ll_sc.h>
-#ifdef CONFIG_ARM64_LSE_ATOMICS
+#if defined(CONFIG_ARM64_LSE_ATOMICS) && !defined(BUILD_FIPS140_KO)
#define __LSE_PREAMBLE ".arch_extension lse\n"
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 505bdd7..b864fdb 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -72,7 +72,7 @@
* address space for the shadow region respectively. They can bloat the stack
* significantly, so double the (minimum) stack size when they are in use.
*/
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
#define KASAN_SHADOW_END ((UL(1) << (64 - KASAN_SHADOW_SCALE_SHIFT)) \
+ KASAN_SHADOW_OFFSET)
@@ -138,6 +138,7 @@
#define MT_DEVICE_nGnRnE 4
#define MT_DEVICE_nGnRE 5
#define MT_DEVICE_GRE 6
+#define MT_NORMAL_iNC_oWB 7
/*
* Memory types for Stage-2 translation
@@ -214,7 +215,7 @@ static inline unsigned long kaslr_offset(void)
(__force __typeof__(addr))__addr; \
})
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
#define __tag_shifted(tag) ((u64)(tag) << 56)
#define __tag_reset(addr) __untagged_addr(addr)
#define __tag_get(addr) (__u8)((u64)(addr) >> 56)
@@ -222,7 +223,7 @@ static inline unsigned long kaslr_offset(void)
#define __tag_shifted(tag) 0UL
#define __tag_reset(addr) (addr)
#define __tag_get(addr) 0
-#endif /* CONFIG_KASAN_SW_TAGS */
+#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
static inline const void *__tag_set(const void *addr, u8 tag)
{
@@ -230,6 +231,17 @@ static inline const void *__tag_set(const void *addr, u8 tag)
return (const void *)(__addr | __tag_shifted(tag));
}
+#ifdef CONFIG_KASAN_HW_TAGS
+#define arch_enable_tagging_sync() mte_enable_kernel_sync()
+#define arch_enable_tagging_async() mte_enable_kernel_async()
+#define arch_set_tagging_report_once(state) mte_set_report_once(state)
+#define arch_force_async_tag_fault() mte_check_tfsr_exit()
+#define arch_get_random_tag() mte_get_random_tag()
+#define arch_get_mem_tag(addr) mte_get_mem_tag(addr)
+#define arch_set_mem_tag_range(addr, size, tag, init) \
+ mte_set_mem_tag_range((addr), (size), (tag), (init))
+#endif /* CONFIG_KASAN_HW_TAGS */
+
/*
* Physical vs virtual RAM address space conversion. These are
* private definitions which should NOT be used outside memory.h
@@ -300,6 +312,24 @@ static inline void *phys_to_virt(phys_addr_t x)
#define sym_to_pfn(x) __phys_to_pfn(__pa_symbol(x))
/*
+ * With non-canonical CFI jump tables, the compiler replaces function
+ * address references with the address of the function's CFI jump
+ * table entry. This results in __pa_symbol(function) returning the
+ * physical address of the jump table entry, which can lead to address
+ * space confusion since the jump table points to the function's
+ * virtual address. Therefore, use inline assembly to ensure we are
+ * always taking the address of the actual function.
+ */
+#define __va_function(x) ({ \
+ void *addr; \
+ asm("adrp %0, " __stringify(x) "\n\t" \
+ "add %0, %0, :lo12:" __stringify(x) : "=r" (addr)); \
+ addr; \
+})
+
+#define __pa_function(x) __pa_symbol(__va_function(x))
+
+/*
* virt_to_page(x) convert a _valid_ virtual address to struct page *
* virt_addr_valid(x) indicates whether a virtual address is valid
*/
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index c731586..e9c3085 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -12,9 +12,6 @@
#define USER_ASID_FLAG (UL(1) << USER_ASID_BIT)
#define TTBR_ASID_MASK (UL(0xffff) << 48)
-#define BP_HARDEN_EL2_SLOTS 4
-#define __BP_HARDEN_HYP_VECS_SZ (BP_HARDEN_EL2_SLOTS * SZ_2K)
-
#ifndef __ASSEMBLY__
#include <linux/refcount.h>
@@ -62,32 +59,6 @@ static inline bool arm64_kernel_unmapped_at_el0(void)
return cpus_have_const_cap(ARM64_UNMAP_KERNEL_AT_EL0);
}
-typedef void (*bp_hardening_cb_t)(void);
-
-struct bp_hardening_data {
- int hyp_vectors_slot;
- bp_hardening_cb_t fn;
-};
-
-DECLARE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
-
-static inline struct bp_hardening_data *arm64_get_bp_hardening_data(void)
-{
- return this_cpu_ptr(&bp_hardening_data);
-}
-
-static inline void arm64_apply_bp_hardening(void)
-{
- struct bp_hardening_data *d;
-
- if (!cpus_have_const_cap(ARM64_SPECTRE_V2))
- return;
-
- d = arm64_get_bp_hardening_data();
- if (d->fn)
- d->fn();
-}
-
extern void arm64_memblock_init(void);
extern void paging_init(void);
extern void bootmem_init(void);
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index 5a54a5a..cc58614 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -134,7 +134,7 @@ static inline void cpu_install_idmap(void)
* Atomically replaces the active TTBR1_EL1 PGD with a new VA-compatible PGD,
* avoiding the possibility of conflicting TLB entries being allocated.
*/
-static inline void cpu_replace_ttbr1(pgd_t *pgdp)
+static inline void __nocfi cpu_replace_ttbr1(pgd_t *pgdp)
{
typedef void (ttbr_replace_func)(phys_addr_t);
extern ttbr_replace_func idmap_cpu_replace_ttbr1;
@@ -155,7 +155,7 @@ static inline void cpu_replace_ttbr1(pgd_t *pgdp)
ttbr1 |= TTBR_CNP_BIT;
}
- replace_phys = (void *)__pa_symbol(idmap_cpu_replace_ttbr1);
+ replace_phys = (void *)__pa_function(idmap_cpu_replace_ttbr1);
cpu_install_idmap();
replace_phys(ttbr1);
@@ -248,6 +248,19 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm(prev,next) switch_mm(prev, next, current)
+static inline const struct cpumask *
+task_cpu_possible_mask(struct task_struct *p)
+{
+ if (!static_branch_unlikely(&arm64_mismatched_32bit_el0))
+ return cpu_possible_mask;
+
+ if (!is_compat_thread(task_thread_info(p)))
+ return cpu_possible_mask;
+
+ return system_32bit_el0_cpumask();
+}
+#define task_cpu_possible_mask task_cpu_possible_mask
+
void verify_cpu_asid_bits(void);
void post_ttbr_update_workaround(void);
diff --git a/arch/arm64/include/asm/module.h b/arch/arm64/include/asm/module.h
index 4e7fa26..65fc16f 100644
--- a/arch/arm64/include/asm/module.h
+++ b/arch/arm64/include/asm/module.h
@@ -20,6 +20,12 @@ struct mod_arch_specific {
/* for CONFIG_DYNAMIC_FTRACE */
struct plt_entry *ftrace_trampolines;
+
+ /* for FIPS 140 certified kernel module */
+ const Elf64_Rela *text_relocations;
+ const Elf64_Rela *rodata_relocations;
+ int num_text_relocations;
+ int num_rodata_relocations;
};
#endif
diff --git a/arch/arm64/include/asm/module.lds.h b/arch/arm64/include/asm/module.lds.h
index 8100456..0b736bf 100644
--- a/arch/arm64/include/asm/module.lds.h
+++ b/arch/arm64/include/asm/module.lds.h
@@ -3,5 +3,34 @@ SECTIONS {
.plt 0 (NOLOAD) : { BYTE(0) }
.init.plt 0 (NOLOAD) : { BYTE(0) }
.text.ftrace_trampoline 0 (NOLOAD) : { BYTE(0) }
+
+#ifdef CONFIG_CRYPTO_FIPS140
+ /*
+ * The FIPS140 module incorporates copies of builtin code, which gets
+ * integrity checked at module load time, and registered in a way that
+ * ensures that the integrity checked versions supersede the builtin
+ * ones. These objects are compiled as builtin code, and so their init
+ * hooks will be exported from the binary in the same way as builtin
+ * initcalls are, i.e., annotated with a level that defines the order
+ * in which the hooks are expected to be invoked.
+ */
+#define INIT_CALLS_LEVEL(level) \
+ KEEP(*(.initcall##level##.init*)) \
+ KEEP(*(.initcall##level##s.init*))
+
+ .initcalls : {
+ *(.initcalls._start)
+ INIT_CALLS_LEVEL(0)
+ INIT_CALLS_LEVEL(1)
+ INIT_CALLS_LEVEL(2)
+ INIT_CALLS_LEVEL(3)
+ INIT_CALLS_LEVEL(4)
+ INIT_CALLS_LEVEL(5)
+ INIT_CALLS_LEVEL(rootfs)
+ INIT_CALLS_LEVEL(6)
+ INIT_CALLS_LEVEL(7)
+ *(.initcalls._end)
+ }
+#endif
}
#endif
diff --git a/arch/arm64/include/asm/mte-def.h b/arch/arm64/include/asm/mte-def.h
new file mode 100644
index 0000000..cf241b0
--- /dev/null
+++ b/arch/arm64/include/asm/mte-def.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 ARM Ltd.
+ */
+#ifndef __ASM_MTE_DEF_H
+#define __ASM_MTE_DEF_H
+
+#define MTE_GRANULE_SIZE UL(16)
+#define MTE_GRANULE_MASK (~(MTE_GRANULE_SIZE - 1))
+#define MTE_TAG_SHIFT 56
+#define MTE_TAG_SIZE 4
+#define MTE_TAG_MASK GENMASK((MTE_TAG_SHIFT + (MTE_TAG_SIZE - 1)), MTE_TAG_SHIFT)
+
+#define __MTE_PREAMBLE ARM64_ASM_PREAMBLE ".arch_extension memtag\n"
+
+#endif /* __ASM_MTE_DEF_H */
diff --git a/arch/arm64/include/asm/mte-kasan.h b/arch/arm64/include/asm/mte-kasan.h
new file mode 100644
index 0000000..82fa4ac
--- /dev/null
+++ b/arch/arm64/include/asm/mte-kasan.h
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 ARM Ltd.
+ */
+#ifndef __ASM_MTE_KASAN_H
+#define __ASM_MTE_KASAN_H
+
+#include <asm/mte-def.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+#ifdef CONFIG_ARM64_MTE
+
+/*
+ * These functions are meant to be only used from KASAN runtime through
+ * the arch_*() interface defined in asm/memory.h.
+ * These functions don't include system_supports_mte() checks,
+ * as KASAN only calls them when MTE is supported and enabled.
+ */
+
+static inline u8 mte_get_ptr_tag(void *ptr)
+{
+ /* Note: The format of KASAN tags is 0xF<x> */
+ u8 tag = 0xF0 | (u8)(((u64)(ptr)) >> MTE_TAG_SHIFT);
+
+ return tag;
+}
+
+/* Get allocation tag for the address. */
+static inline u8 mte_get_mem_tag(void *addr)
+{
+ asm(__MTE_PREAMBLE "ldg %0, [%0]"
+ : "+r" (addr));
+
+ return mte_get_ptr_tag(addr);
+}
+
+/* Generate a random tag. */
+static inline u8 mte_get_random_tag(void)
+{
+ void *addr;
+
+ asm(__MTE_PREAMBLE "irg %0, %0"
+ : "=r" (addr));
+
+ return mte_get_ptr_tag(addr);
+}
+
+static inline u64 __stg_post(u64 p)
+{
+ asm volatile(__MTE_PREAMBLE "stg %0, [%0], #16"
+ : "+r"(p)
+ :
+ : "memory");
+ return p;
+}
+
+static inline u64 __stzg_post(u64 p)
+{
+ asm volatile(__MTE_PREAMBLE "stzg %0, [%0], #16"
+ : "+r"(p)
+ :
+ : "memory");
+ return p;
+}
+
+static inline void __dc_gva(u64 p)
+{
+ asm volatile(__MTE_PREAMBLE "dc gva, %0" : : "r"(p) : "memory");
+}
+
+static inline void __dc_gzva(u64 p)
+{
+ asm volatile(__MTE_PREAMBLE "dc gzva, %0" : : "r"(p) : "memory");
+}
+
+/*
+ * Assign allocation tags for a region of memory based on the pointer tag.
+ * Note: The address must be non-NULL and MTE_GRANULE_SIZE aligned and
+ * size must be MTE_GRANULE_SIZE aligned.
+ */
+static inline void mte_set_mem_tag_range(void *addr, size_t size, u8 tag,
+ bool init)
+{
+ u64 curr, mask, dczid_bs, end1, end2, end3;
+
+ /* Read DC G(Z)VA block size from the system register. */
+ dczid_bs = 4ul << (read_cpuid(DCZID_EL0) & 0xf);
+
+ curr = (u64)__tag_set(addr, tag);
+ mask = dczid_bs - 1;
+ /* STG/STZG up to the end of the first block. */
+ end1 = curr | mask;
+ end3 = curr + size;
+ /* DC GVA / GZVA in [end1, end2) */
+ end2 = end3 & ~mask;
+
+ /*
+ * The following code uses STG on the first DC GVA block even if the
+ * start address is aligned - it appears to be faster than an alignment
+ * check + conditional branch. Also, if the range size is at least 2 DC
+ * GVA blocks, the first two loops can use post-condition to save one
+ * branch each.
+ */
+#define SET_MEMTAG_RANGE(stg_post, dc_gva) \
+ do { \
+ if (size >= 2 * dczid_bs) { \
+ do { \
+ curr = stg_post(curr); \
+ } while (curr < end1); \
+ \
+ do { \
+ dc_gva(curr); \
+ curr += dczid_bs; \
+ } while (curr < end2); \
+ } \
+ \
+ while (curr < end3) \
+ curr = stg_post(curr); \
+ } while (0)
+
+ if (init)
+ SET_MEMTAG_RANGE(__stzg_post, __dc_gzva);
+ else
+ SET_MEMTAG_RANGE(__stg_post, __dc_gva);
+#undef SET_MEMTAG_RANGE
+}
+
+void mte_enable_kernel_sync(void);
+void mte_enable_kernel_async(void);
+
+void mte_set_report_once(bool state);
+bool mte_report_once(void);
+
+#else /* CONFIG_ARM64_MTE */
+
+static inline u8 mte_get_ptr_tag(void *ptr)
+{
+ return 0xFF;
+}
+
+static inline u8 mte_get_mem_tag(void *addr)
+{
+ return 0xFF;
+}
+
+static inline u8 mte_get_random_tag(void)
+{
+ return 0xFF;
+}
+
+static inline void mte_set_mem_tag_range(void *addr, size_t size,
+ u8 tag, bool init)
+{
+}
+
+static inline void mte_enable_kernel_sync(void)
+{
+}
+
+static inline void mte_enable_kernel_async(void)
+{
+}
+
+static inline void mte_set_report_once(bool state)
+{
+}
+
+static inline bool mte_report_once(void)
+{
+ return false;
+}
+
+#endif /* CONFIG_ARM64_MTE */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ASM_MTE_KASAN_H */
diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h
index 1c99fca..c0857e6 100644
--- a/arch/arm64/include/asm/mte.h
+++ b/arch/arm64/include/asm/mte.h
@@ -5,14 +5,14 @@
#ifndef __ASM_MTE_H
#define __ASM_MTE_H
-#define MTE_GRANULE_SIZE UL(16)
-#define MTE_GRANULE_MASK (~(MTE_GRANULE_SIZE - 1))
-#define MTE_TAG_SHIFT 56
-#define MTE_TAG_SIZE 4
+#include <asm/compiler.h>
+#include <asm/mte-def.h>
#ifndef __ASSEMBLY__
+#include <linux/bitfield.h>
#include <linux/page-flags.h>
+#include <linux/types.h>
#include <asm/pgtable-types.h>
@@ -35,34 +35,38 @@ void mte_free_tag_storage(char *storage);
/* track which pages have valid allocation tags */
#define PG_mte_tagged PG_arch_2
+void mte_zero_clear_page_tags(void *addr);
void mte_sync_tags(pte_t *ptep, pte_t pte);
void mte_copy_page_tags(void *kto, const void *kfrom);
-void flush_mte_state(void);
+void mte_thread_init_user(void);
void mte_thread_switch(struct task_struct *next);
-void mte_suspend_exit(void);
+void mte_suspend_enter(void);
long set_mte_ctrl(struct task_struct *task, unsigned long arg);
long get_mte_ctrl(struct task_struct *task);
int mte_ptrace_copy_tags(struct task_struct *child, long request,
unsigned long addr, unsigned long data);
-#else
+#else /* CONFIG_ARM64_MTE */
/* unused if !CONFIG_ARM64_MTE, silence the compiler */
#define PG_mte_tagged 0
+static inline void mte_zero_clear_page_tags(void *addr)
+{
+}
static inline void mte_sync_tags(pte_t *ptep, pte_t pte)
{
}
static inline void mte_copy_page_tags(void *kto, const void *kfrom)
{
}
-static inline void flush_mte_state(void)
+static inline void mte_thread_init_user(void)
{
}
static inline void mte_thread_switch(struct task_struct *next)
{
}
-static inline void mte_suspend_exit(void)
+static inline void mte_suspend_enter(void)
{
}
static inline long set_mte_ctrl(struct task_struct *task, unsigned long arg)
@@ -80,7 +84,57 @@ static inline int mte_ptrace_copy_tags(struct task_struct *child,
return -EIO;
}
-#endif
+#endif /* CONFIG_ARM64_MTE */
+
+#ifdef CONFIG_KASAN_HW_TAGS
+/* Whether the MTE asynchronous mode is enabled. */
+DECLARE_STATIC_KEY_FALSE(mte_async_mode);
+
+static inline bool system_uses_mte_async_mode(void)
+{
+ return static_branch_unlikely(&mte_async_mode);
+}
+
+void mte_check_tfsr_el1(void);
+
+static inline void mte_check_tfsr_entry(void)
+{
+ if (!system_supports_mte())
+ return;
+
+ mte_check_tfsr_el1();
+}
+
+static inline void mte_check_tfsr_exit(void)
+{
+ if (!system_supports_mte())
+ return;
+
+ /*
+ * The asynchronous faults are sync'ed automatically with
+ * TFSR_EL1 on kernel entry but for exit an explicit dsb()
+ * is required.
+ */
+ dsb(nsh);
+ isb();
+
+ mte_check_tfsr_el1();
+}
+#else
+static inline bool system_uses_mte_async_mode(void)
+{
+ return false;
+}
+static inline void mte_check_tfsr_el1(void)
+{
+}
+static inline void mte_check_tfsr_entry(void)
+{
+}
+static inline void mte_check_tfsr_exit(void)
+{
+}
+#endif /* CONFIG_KASAN_HW_TAGS */
#endif /* __ASSEMBLY__ */
#endif /* __ASM_MTE_H */
diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h
index 012cffc..ed1b9dc 100644
--- a/arch/arm64/include/asm/page.h
+++ b/arch/arm64/include/asm/page.h
@@ -13,6 +13,7 @@
#ifndef __ASSEMBLY__
#include <linux/personality.h> /* for READ_IMPLIES_EXEC */
+#include <linux/types.h> /* for gfp_t */
#include <asm/pgtable-types.h>
struct page;
@@ -28,9 +29,12 @@ void copy_user_highpage(struct page *to, struct page *from,
void copy_highpage(struct page *to, struct page *from);
#define __HAVE_ARCH_COPY_HIGHPAGE
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
- alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+struct page *alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
+ unsigned long vaddr);
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
+
+void tag_clear_highpage(struct page *to);
+#define __HAVE_ARCH_TAG_CLEAR_HIGHPAGE
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h
index 1599e17..8f16616 100644
--- a/arch/arm64/include/asm/percpu.h
+++ b/arch/arm64/include/asm/percpu.h
@@ -239,6 +239,12 @@ PERCPU_RET_OP(add, add, ldadd)
#define this_cpu_cmpxchg_8(pcp, o, n) \
_pcp_protect_return(cmpxchg_relaxed, pcp, o, n)
+#ifdef __KVM_NVHE_HYPERVISOR__
+extern unsigned long __hyp_per_cpu_offset(unsigned int cpu);
+#define __per_cpu_offset
+#define per_cpu_offset(cpu) __hyp_per_cpu_offset((cpu))
+#endif
+
#include <asm-generic/percpu.h>
/* Redefine macros for nVHE hyp under DEBUG_PREEMPT to avoid its dependencies. */
diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index 01a96d0..42442a0 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -260,6 +260,7 @@
#define TCR_TBI1 (UL(1) << 38)
#define TCR_HA (UL(1) << 39)
#define TCR_HD (UL(1) << 40)
+#define TCR_TBID1 (UL(1) << 52)
#define TCR_NFD0 (UL(1) << 53)
#define TCR_NFD1 (UL(1) << 54)
#define TCR_E0PD0 (UL(1) << 55)
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 9a65fb5..079f4e9 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -71,10 +71,10 @@ extern bool arm64_use_ng_mappings;
#define PAGE_KERNEL_EXEC __pgprot(PROT_NORMAL & ~PTE_PXN)
#define PAGE_KERNEL_EXEC_CONT __pgprot((PROT_NORMAL & ~PTE_PXN) | PTE_CONT)
-#define PAGE_S2_MEMATTR(attr) \
+#define PAGE_S2_MEMATTR(attr, has_fwb) \
({ \
u64 __val; \
- if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB)) \
+ if (has_fwb) \
__val = PTE_S2_MEMATTR(MT_S2_FWB_ ## attr); \
else \
__val = PTE_S2_MEMATTR(MT_S2_ ## attr); \
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index f3a70dc..7a3db96 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -468,6 +468,7 @@ static inline pmd_t pmd_mkdevmap(pmd_t pmd)
#define pfn_pud(pfn,prot) __pud(__phys_to_pud_val((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
#define set_pmd_at(mm, addr, pmdp, pmd) set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd))
+#define set_pud_at(mm, addr, pudp, pud) set_pte_at(mm, addr, (pte_t *)pudp, pud_pte(pud))
#define __p4d_to_phys(p4d) __pte_to_phys(p4d_pte(p4d))
#define __phys_to_p4d_val(phys) __phys_to_pte_val(phys)
@@ -505,6 +506,15 @@ static inline pmd_t pmd_mkdevmap(pmd_t pmd)
__pgprot_modify(prot, PTE_ATTRINDX_MASK, \
PTE_ATTRINDX(MT_NORMAL_NC) | PTE_PXN | PTE_UXN)
+/*
+ * Mark the prot value as outer cacheable and inner non-cacheable. Non-coherent
+ * devices on a system with support for a system or last level cache use these
+ * attributes to cache allocations in the system cache.
+ */
+#define pgprot_syscached(prot) \
+ __pgprot_modify(prot, PTE_ATTRINDX_MASK, \
+ PTE_ATTRINDX(MT_NORMAL_iNC_oWB) | PTE_PXN | PTE_UXN)
+
#define __HAVE_PHYS_MEM_ACCESS_PROT
struct file;
extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
@@ -540,6 +550,13 @@ extern pgd_t reserved_pg_dir[PTRS_PER_PGD];
extern void set_swapper_pgd(pgd_t *pgdp, pgd_t pgd);
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern int populate_range_driver_managed(u64 start, u64 size,
+ const char *resource_name);
+extern int depopulate_range_driver_managed(u64 start, u64 size,
+ const char *resource_name);
+#endif
+
static inline bool in_swapper_pgdir(void *addr)
{
return ((unsigned long)addr & PAGE_MASK) ==
@@ -984,7 +1001,17 @@ static inline bool arch_faults_on_old_pte(void)
return !cpu_has_hw_af();
}
-#define arch_faults_on_old_pte arch_faults_on_old_pte
+#define arch_faults_on_old_pte arch_faults_on_old_pte
+
+/*
+ * Experimentally, it's cheap to set the access flag in hardware and we
+ * benefit from prefaulting mappings as 'old' to start with.
+ */
+static inline bool arch_wants_old_prefaulted_pte(void)
+{
+ return !arch_faults_on_old_pte();
+}
+#define arch_wants_old_prefaulted_pte arch_wants_old_prefaulted_pte
#endif /* !__ASSEMBLY__ */
diff --git a/arch/arm64/include/asm/pointer_auth.h b/arch/arm64/include/asm/pointer_auth.h
index c6b4f06..592968f 100644
--- a/arch/arm64/include/asm/pointer_auth.h
+++ b/arch/arm64/include/asm/pointer_auth.h
@@ -3,12 +3,16 @@
#define __ASM_POINTER_AUTH_H
#include <linux/bitops.h>
+#include <linux/prctl.h>
#include <linux/random.h>
#include <asm/cpufeature.h>
#include <asm/memory.h>
#include <asm/sysreg.h>
+#define PR_PAC_ENABLED_KEYS_MASK \
+ (PR_PAC_APIAKEY | PR_PAC_APIBKEY | PR_PAC_APDAKEY | PR_PAC_APDBKEY)
+
#ifdef CONFIG_ARM64_PTR_AUTH
/*
* Each key is a 128-bit quantity which is split across a pair of 64-bit
@@ -34,6 +38,25 @@ struct ptrauth_keys_kernel {
struct ptrauth_key apia;
};
+#define __ptrauth_key_install_nosync(k, v) \
+do { \
+ struct ptrauth_key __pki_v = (v); \
+ write_sysreg_s(__pki_v.lo, SYS_ ## k ## KEYLO_EL1); \
+ write_sysreg_s(__pki_v.hi, SYS_ ## k ## KEYHI_EL1); \
+} while (0)
+
+static inline void ptrauth_keys_install_user(struct ptrauth_keys_user *keys)
+{
+ if (system_supports_address_auth()) {
+ __ptrauth_key_install_nosync(APIB, keys->apib);
+ __ptrauth_key_install_nosync(APDA, keys->apda);
+ __ptrauth_key_install_nosync(APDB, keys->apdb);
+ }
+
+ if (system_supports_generic_auth())
+ __ptrauth_key_install_nosync(APGA, keys->apga);
+}
+
static inline void ptrauth_keys_init_user(struct ptrauth_keys_user *keys)
{
if (system_supports_address_auth()) {
@@ -45,14 +68,9 @@ static inline void ptrauth_keys_init_user(struct ptrauth_keys_user *keys)
if (system_supports_generic_auth())
get_random_bytes(&keys->apga, sizeof(keys->apga));
-}
-#define __ptrauth_key_install_nosync(k, v) \
-do { \
- struct ptrauth_key __pki_v = (v); \
- write_sysreg_s(__pki_v.lo, SYS_ ## k ## KEYLO_EL1); \
- write_sysreg_s(__pki_v.hi, SYS_ ## k ## KEYHI_EL1); \
-} while (0)
+ ptrauth_keys_install_user(keys);
+}
static __always_inline void ptrauth_keys_init_kernel(struct ptrauth_keys_kernel *keys)
{
@@ -71,23 +89,56 @@ static __always_inline void ptrauth_keys_switch_kernel(struct ptrauth_keys_kerne
extern int ptrauth_prctl_reset_keys(struct task_struct *tsk, unsigned long arg);
+extern int ptrauth_set_enabled_keys(struct task_struct *tsk, unsigned long keys,
+ unsigned long enabled);
+extern int ptrauth_get_enabled_keys(struct task_struct *tsk);
+
static inline unsigned long ptrauth_strip_insn_pac(unsigned long ptr)
{
return ptrauth_clear_pac(ptr);
}
-#define ptrauth_thread_init_user(tsk) \
- ptrauth_keys_init_user(&(tsk)->thread.keys_user)
+static __always_inline void ptrauth_enable(void)
+{
+ if (!system_supports_address_auth())
+ return;
+ sysreg_clear_set(sctlr_el1, 0, (SCTLR_ELx_ENIA | SCTLR_ELx_ENIB |
+ SCTLR_ELx_ENDA | SCTLR_ELx_ENDB));
+ isb();
+}
+
+#define ptrauth_suspend_exit() \
+ ptrauth_keys_install_user(¤t->thread.keys_user)
+
+#define ptrauth_thread_init_user() \
+ do { \
+ ptrauth_keys_init_user(¤t->thread.keys_user); \
+ \
+ /* enable all keys */ \
+ if (system_supports_address_auth()) \
+ ptrauth_set_enabled_keys(current, \
+ PR_PAC_ENABLED_KEYS_MASK, \
+ PR_PAC_ENABLED_KEYS_MASK); \
+ } while (0)
+
+#define ptrauth_thread_switch_user(tsk) \
+ ptrauth_keys_install_user(&(tsk)->thread.keys_user)
+
#define ptrauth_thread_init_kernel(tsk) \
ptrauth_keys_init_kernel(&(tsk)->thread.keys_kernel)
#define ptrauth_thread_switch_kernel(tsk) \
ptrauth_keys_switch_kernel(&(tsk)->thread.keys_kernel)
#else /* CONFIG_ARM64_PTR_AUTH */
+#define ptrauth_enable()
#define ptrauth_prctl_reset_keys(tsk, arg) (-EINVAL)
+#define ptrauth_set_enabled_keys(tsk, keys, enabled) (-EINVAL)
+#define ptrauth_get_enabled_keys(tsk) (-EINVAL)
#define ptrauth_strip_insn_pac(lr) (lr)
-#define ptrauth_thread_init_user(tsk)
+#define ptrauth_suspend_exit()
+#define ptrauth_thread_init_user()
#define ptrauth_thread_init_kernel(tsk)
+#define ptrauth_thread_switch_user(tsk)
#define ptrauth_thread_switch_kernel(tsk)
#endif /* CONFIG_ARM64_PTR_AUTH */
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index fce8cbe..e85a712 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -19,6 +19,12 @@
*/
#define NET_IP_ALIGN 0
+#define MTE_CTRL_GCR_USER_EXCL_SHIFT 0
+#define MTE_CTRL_GCR_USER_EXCL_MASK 0xffff
+
+#define MTE_CTRL_TCF_SYNC (1UL << 16)
+#define MTE_CTRL_TCF_ASYNC (1UL << 17)
+
#ifndef __ASSEMBLY__
#include <linux/build_bug.h>
@@ -27,6 +33,7 @@
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/thread_info.h>
+#include <linux/android_vendor.h>
#include <vdso/processor.h>
@@ -141,6 +148,8 @@ struct thread_struct {
struct user_fpsimd_state fpsimd_state;
} uw;
+ ANDROID_VENDOR_DATA(1);
+
unsigned int fpsimd_cpu;
void *sve_state; /* SVE registers, if any */
unsigned int sve_vl; /* SVE vector length */
@@ -153,11 +162,15 @@ struct thread_struct {
struct ptrauth_keys_kernel keys_kernel;
#endif
#ifdef CONFIG_ARM64_MTE
- u64 sctlr_tcf0;
- u64 gcr_user_incl;
+ u64 mte_ctrl;
#endif
+ u64 sctlr_user;
};
+#define SCTLR_USER_MASK \
+ (SCTLR_ELx_ENIA | SCTLR_ELx_ENIB | SCTLR_ELx_ENDA | SCTLR_ELx_ENDB | \
+ SCTLR_EL1_TCF0_MASK)
+
static inline void arch_thread_struct_whitelist(unsigned long *offset,
unsigned long *size)
{
@@ -249,6 +262,8 @@ extern void release_thread(struct task_struct *);
unsigned long get_wchan(struct task_struct *p);
+void update_sctlr_el1(u64 sctlr);
+
/* Thread switching */
extern struct task_struct *cpu_switch_to(struct task_struct *prev,
struct task_struct *next);
@@ -303,6 +318,11 @@ extern void __init minsigstksz_setup(void);
/* PR_PAC_RESET_KEYS prctl */
#define PAC_RESET_KEYS(tsk, arg) ptrauth_prctl_reset_keys(tsk, arg)
+/* PR_PAC_{SET,GET}_ENABLED_KEYS prctl */
+#define PAC_SET_ENABLED_KEYS(tsk, keys, enabled) \
+ ptrauth_set_enabled_keys(tsk, keys, enabled)
+#define PAC_GET_ENABLED_KEYS(tsk) ptrauth_get_enabled_keys(tsk)
+
#ifdef CONFIG_ARM64_TAGGED_ADDR_ABI
/* PR_{SET,GET}_TAGGED_ADDR_CTRL prctl */
long set_tagged_addr_ctrl(struct task_struct *task, unsigned long arg);
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index d3106f5..f834744 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -16,6 +16,11 @@
#define CurrentEL_EL1 (1 << 2)
#define CurrentEL_EL2 (2 << 2)
+#define INIT_PSTATE_EL1 \
+ (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT | PSR_MODE_EL1h)
+#define INIT_PSTATE_EL2 \
+ (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT | PSR_MODE_EL2h)
+
/*
* PMR values used to mask/unmask interrupts.
*
diff --git a/arch/arm64/include/asm/rwonce.h b/arch/arm64/include/asm/rwonce.h
new file mode 100644
index 0000000..1bce62f
--- /dev/null
+++ b/arch/arm64/include/asm/rwonce.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Google LLC.
+ */
+#ifndef __ASM_RWONCE_H
+#define __ASM_RWONCE_H
+
+#ifdef CONFIG_LTO
+
+#include <linux/compiler_types.h>
+#include <asm/alternative-macros.h>
+
+#ifndef BUILD_VDSO
+
+#ifdef CONFIG_AS_HAS_LDAPR
+#define __LOAD_RCPC(sfx, regs...) \
+ ALTERNATIVE( \
+ "ldar" #sfx "\t" #regs, \
+ ".arch_extension rcpc\n" \
+ "ldapr" #sfx "\t" #regs, \
+ ARM64_HAS_LDAPR)
+#else
+#define __LOAD_RCPC(sfx, regs...) "ldar" #sfx "\t" #regs
+#endif /* CONFIG_AS_HAS_LDAPR */
+
+/*
+ * When building with LTO, there is an increased risk of the compiler
+ * converting an address dependency headed by a READ_ONCE() invocation
+ * into a control dependency and consequently allowing for harmful
+ * reordering by the CPU.
+ *
+ * Ensure that such transformations are harmless by overriding the generic
+ * READ_ONCE() definition with one that provides RCpc acquire semantics
+ * when building with LTO.
+ */
+#define __READ_ONCE(x) \
+({ \
+ typeof(&(x)) __x = &(x); \
+ int atomic = 1; \
+ union { __unqual_scalar_typeof(*__x) __val; char __c[1]; } __u; \
+ switch (sizeof(x)) { \
+ case 1: \
+ asm volatile(__LOAD_RCPC(b, %w0, %1) \
+ : "=r" (*(__u8 *)__u.__c) \
+ : "Q" (*__x) : "memory"); \
+ break; \
+ case 2: \
+ asm volatile(__LOAD_RCPC(h, %w0, %1) \
+ : "=r" (*(__u16 *)__u.__c) \
+ : "Q" (*__x) : "memory"); \
+ break; \
+ case 4: \
+ asm volatile(__LOAD_RCPC(, %w0, %1) \
+ : "=r" (*(__u32 *)__u.__c) \
+ : "Q" (*__x) : "memory"); \
+ break; \
+ case 8: \
+ asm volatile(__LOAD_RCPC(, %0, %1) \
+ : "=r" (*(__u64 *)__u.__c) \
+ : "Q" (*__x) : "memory"); \
+ break; \
+ default: \
+ atomic = 0; \
+ } \
+ atomic ? (typeof(*__x))__u.__val : (*(volatile typeof(__x))__x);\
+})
+
+#endif /* !BUILD_VDSO */
+#endif /* CONFIG_LTO */
+
+#include <asm-generic/rwonce.h>
+
+#endif /* __ASM_RWONCE_H */
diff --git a/arch/arm64/include/asm/seccomp.h b/arch/arm64/include/asm/seccomp.h
index c363871..3025623 100644
--- a/arch/arm64/include/asm/seccomp.h
+++ b/arch/arm64/include/asm/seccomp.h
@@ -19,4 +19,13 @@
#include <asm-generic/seccomp.h>
+#define SECCOMP_ARCH_NATIVE AUDIT_ARCH_AARCH64
+#define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME "aarch64"
+#ifdef CONFIG_COMPAT
+# define SECCOMP_ARCH_COMPAT AUDIT_ARCH_ARM
+# define SECCOMP_ARCH_COMPAT_NR __NR_compat_syscalls
+# define SECCOMP_ARCH_COMPAT_NAME "arm"
+#endif
+
#endif /* _ASM_SECCOMP_H */
diff --git a/arch/arm64/include/asm/sections.h b/arch/arm64/include/asm/sections.h
index 3994169..e4ad9db 100644
--- a/arch/arm64/include/asm/sections.h
+++ b/arch/arm64/include/asm/sections.h
@@ -11,6 +11,9 @@ extern char __alt_instructions[], __alt_instructions_end[];
extern char __hibernate_exit_text_start[], __hibernate_exit_text_end[];
extern char __hyp_idmap_text_start[], __hyp_idmap_text_end[];
extern char __hyp_text_start[], __hyp_text_end[];
+extern char __hyp_rodata_start[], __hyp_rodata_end[];
+extern char __hyp_reloc_begin[], __hyp_reloc_end[];
+extern char __hyp_bss_start[], __hyp_bss_end[];
extern char __idmap_text_start[], __idmap_text_end[];
extern char __initdata_begin[], __initdata_end[];
extern char __inittext_begin[], __inittext_end[];
diff --git a/arch/arm64/include/asm/setup.h b/arch/arm64/include/asm/setup.h
new file mode 100644
index 0000000..d332061
--- /dev/null
+++ b/arch/arm64/include/asm/setup.h
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#ifndef __ARM64_ASM_SETUP_H
+#define __ARM64_ASM_SETUP_H
+
+#include <uapi/asm/setup.h>
+
+void *get_early_fdt_ptr(void);
+void early_fdt_map(u64 dt_phys);
+
+#endif
diff --git a/arch/arm64/include/asm/signal.h b/arch/arm64/include/asm/signal.h
new file mode 100644
index 0000000..ef449f5
--- /dev/null
+++ b/arch/arm64/include/asm/signal.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ARM64_ASM_SIGNAL_H
+#define __ARM64_ASM_SIGNAL_H
+
+#include <asm/memory.h>
+#include <uapi/asm/signal.h>
+#include <uapi/asm/siginfo.h>
+
+static inline void __user *arch_untagged_si_addr(void __user *addr,
+ unsigned long sig,
+ unsigned long si_code)
+{
+ /*
+ * For historical reasons, all bits of the fault address are exposed as
+ * address bits for watchpoint exceptions. New architectures should
+ * handle the tag bits consistently.
+ */
+ if (sig == SIGTRAP && si_code == TRAP_BRKPT)
+ return addr;
+
+ return untagged_addr(addr);
+}
+#define arch_untagged_si_addr arch_untagged_si_addr
+
+#endif
diff --git a/arch/arm64/include/asm/simd.h b/arch/arm64/include/asm/simd.h
index 89cba26..1a121cb 100644
--- a/arch/arm64/include/asm/simd.h
+++ b/arch/arm64/include/asm/simd.h
@@ -35,9 +35,7 @@ static __must_check inline bool may_use_simd(void)
* migrated, and if it's clear we cannot be migrated to a CPU
* where it is set.
*/
- return !WARN_ON(!system_capabilities_finalized()) &&
- system_supports_fpsimd() &&
- !in_irq() && !irqs_disabled() && !in_nmi() &&
+ return !in_irq() && !irqs_disabled() && !in_nmi() &&
!this_cpu_read(fpsimd_context_busy);
}
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index 2e7f529..030eebc 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -46,9 +46,9 @@ DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number);
* Logical CPU mapping.
*/
extern u64 __cpu_logical_map[NR_CPUS];
-extern u64 cpu_logical_map(int cpu);
+extern u64 cpu_logical_map(unsigned int cpu);
-static inline void set_cpu_logical_map(int cpu, u64 hwid)
+static inline void set_cpu_logical_map(unsigned int cpu, u64 hwid)
{
__cpu_logical_map[cpu] = hwid;
}
@@ -89,6 +89,8 @@ extern void secondary_entry(void);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+extern int nr_ipi_get(void);
+extern struct irq_desc **ipi_desc_get(void);
#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask);
diff --git a/arch/arm64/include/asm/sparsemem.h b/arch/arm64/include/asm/sparsemem.h
index 1f43fcc..ff08ff6 100644
--- a/arch/arm64/include/asm/sparsemem.h
+++ b/arch/arm64/include/asm/sparsemem.h
@@ -7,7 +7,13 @@
#ifdef CONFIG_SPARSEMEM
#define MAX_PHYSMEM_BITS CONFIG_ARM64_PA_BITS
-#define SECTION_SIZE_BITS 30
-#endif
+
+#if defined(CONFIG_ARM64_4K_PAGES) || defined(CONFIG_ARM64_16K_PAGES)
+#define SECTION_SIZE_BITS 27
+#else
+#define SECTION_SIZE_BITS 29
+#endif /* CONFIG_ARM64_4K_PAGES || CONFIG_ARM64_16K_PAGES */
+
+#endif /* CONFIG_SPARSEMEM*/
#endif
diff --git a/arch/arm64/include/asm/spectre.h b/arch/arm64/include/asm/spectre.h
index fcdfbce..f62ca39 100644
--- a/arch/arm64/include/asm/spectre.h
+++ b/arch/arm64/include/asm/spectre.h
@@ -9,7 +9,15 @@
#ifndef __ASM_SPECTRE_H
#define __ASM_SPECTRE_H
+#define BP_HARDEN_EL2_SLOTS 4
+#define __BP_HARDEN_HYP_VECS_SZ ((BP_HARDEN_EL2_SLOTS - 1) * SZ_2K)
+
+#ifndef __ASSEMBLY__
+
+#include <linux/percpu.h>
+
#include <asm/cpufeature.h>
+#include <asm/virt.h>
/* Watch out, ordering is important here. */
enum mitigation_state {
@@ -20,13 +28,70 @@ enum mitigation_state {
struct task_struct;
+/*
+ * Note: the order of this enum corresponds to __bp_harden_hyp_vecs and
+ * we rely on having the direct vectors first.
+ */
+enum arm64_hyp_spectre_vector {
+ /*
+ * Take exceptions directly to __kvm_hyp_vector. This must be
+ * 0 so that it used by default when mitigations are not needed.
+ */
+ HYP_VECTOR_DIRECT,
+
+ /*
+ * Bounce via a slot in the hypervisor text mapping of
+ * __bp_harden_hyp_vecs, which contains an SMC call.
+ */
+ HYP_VECTOR_SPECTRE_DIRECT,
+
+ /*
+ * Bounce via a slot in a special mapping of __bp_harden_hyp_vecs
+ * next to the idmap page.
+ */
+ HYP_VECTOR_INDIRECT,
+
+ /*
+ * Bounce via a slot in a special mapping of __bp_harden_hyp_vecs
+ * next to the idmap page, which contains an SMC call.
+ */
+ HYP_VECTOR_SPECTRE_INDIRECT,
+};
+
+typedef void (*bp_hardening_cb_t)(void);
+
+struct bp_hardening_data {
+ enum arm64_hyp_spectre_vector slot;
+ bp_hardening_cb_t fn;
+};
+
+DECLARE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
+
+static inline void arm64_apply_bp_hardening(void)
+{
+ struct bp_hardening_data *d;
+
+ if (!cpus_have_const_cap(ARM64_SPECTRE_V2))
+ return;
+
+ d = this_cpu_ptr(&bp_hardening_data);
+ if (d->fn)
+ d->fn();
+}
+
enum mitigation_state arm64_get_spectre_v2_state(void);
bool has_spectre_v2(const struct arm64_cpu_capabilities *cap, int scope);
void spectre_v2_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
+bool has_spectre_v3a(const struct arm64_cpu_capabilities *cap, int scope);
+void spectre_v3a_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
+
enum mitigation_state arm64_get_spectre_v4_state(void);
bool has_spectre_v4(const struct arm64_cpu_capabilities *cap, int scope);
void spectre_v4_enable_mitigation(const struct arm64_cpu_capabilities *__unused);
void spectre_v4_enable_task_mitigation(struct task_struct *tsk);
+enum mitigation_state arm64_get_meltdown_state(void);
+
+#endif /* __ASSEMBLY__ */
#endif /* __ASM_SPECTRE_H */
diff --git a/arch/arm64/include/asm/stackprotector.h b/arch/arm64/include/asm/stackprotector.h
index 7263e0b..33f1bb4 100644
--- a/arch/arm64/include/asm/stackprotector.h
+++ b/arch/arm64/include/asm/stackprotector.h
@@ -41,6 +41,7 @@ static __always_inline void boot_init_stack_canary(void)
#endif
ptrauth_thread_init_kernel(current);
ptrauth_thread_switch_kernel(current);
+ ptrauth_enable();
}
#endif /* _ASM_STACKPROTECTOR_H */
diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h
index b31e8e8..3a3264f 100644
--- a/arch/arm64/include/asm/string.h
+++ b/arch/arm64/include/asm/string.h
@@ -5,7 +5,7 @@
#ifndef __ASM_STRING_H
#define __ASM_STRING_H
-#ifndef CONFIG_KASAN
+#if !(defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
#define __HAVE_ARCH_STRRCHR
extern char *strrchr(const char *, int c);
@@ -48,7 +48,8 @@ extern void *__memset(void *, int, __kernel_size_t);
void memcpy_flushcache(void *dst, const void *src, size_t cnt);
#endif
-#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+ !defined(__SANITIZE_ADDRESS__)
/*
* For files that are not instrumented (e.g. mm/slub.c) we
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 801861d..c41e6f7 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -11,6 +11,7 @@
#include <linux/bits.h>
#include <linux/stringify.h>
+#include <linux/kasan-tags.h>
/*
* ARMv8 ARM reserves the following encoding for system registers:
@@ -98,6 +99,10 @@
#define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
#define SET_PSTATE_TCO(x) __emit_inst(0xd500401f | PSTATE_TCO | ((!!x) << PSTATE_Imm_shift))
+#define set_pstate_pan(x) asm volatile(SET_PSTATE_PAN(x))
+#define set_pstate_uao(x) asm volatile(SET_PSTATE_UAO(x))
+#define set_pstate_ssbs(x) asm volatile(SET_PSTATE_SSBS(x))
+
#define __SYS_BARRIER_INSN(CRm, op2, Rt) \
__emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
@@ -187,6 +192,7 @@
#define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6)
#define SYS_ZCR_EL1 sys_reg(3, 0, 1, 2, 0)
+#define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1)
#define SYS_TTBR0_EL1 sys_reg(3, 0, 2, 0, 0)
#define SYS_TTBR1_EL1 sys_reg(3, 0, 2, 0, 1)
@@ -324,6 +330,55 @@
/*** End of Statistical Profiling Extension ***/
+/*
+ * TRBE Registers
+ */
+#define SYS_TRBLIMITR_EL1 sys_reg(3, 0, 9, 11, 0)
+#define SYS_TRBPTR_EL1 sys_reg(3, 0, 9, 11, 1)
+#define SYS_TRBBASER_EL1 sys_reg(3, 0, 9, 11, 2)
+#define SYS_TRBSR_EL1 sys_reg(3, 0, 9, 11, 3)
+#define SYS_TRBMAR_EL1 sys_reg(3, 0, 9, 11, 4)
+#define SYS_TRBTRG_EL1 sys_reg(3, 0, 9, 11, 6)
+#define SYS_TRBIDR_EL1 sys_reg(3, 0, 9, 11, 7)
+
+#define TRBLIMITR_LIMIT_MASK GENMASK_ULL(51, 0)
+#define TRBLIMITR_LIMIT_SHIFT 12
+#define TRBLIMITR_NVM BIT(5)
+#define TRBLIMITR_TRIG_MODE_MASK GENMASK(1, 0)
+#define TRBLIMITR_TRIG_MODE_SHIFT 3
+#define TRBLIMITR_FILL_MODE_MASK GENMASK(1, 0)
+#define TRBLIMITR_FILL_MODE_SHIFT 1
+#define TRBLIMITR_ENABLE BIT(0)
+#define TRBPTR_PTR_MASK GENMASK_ULL(63, 0)
+#define TRBPTR_PTR_SHIFT 0
+#define TRBBASER_BASE_MASK GENMASK_ULL(51, 0)
+#define TRBBASER_BASE_SHIFT 12
+#define TRBSR_EC_MASK GENMASK(5, 0)
+#define TRBSR_EC_SHIFT 26
+#define TRBSR_IRQ BIT(22)
+#define TRBSR_TRG BIT(21)
+#define TRBSR_WRAP BIT(20)
+#define TRBSR_ABORT BIT(18)
+#define TRBSR_STOP BIT(17)
+#define TRBSR_MSS_MASK GENMASK(15, 0)
+#define TRBSR_MSS_SHIFT 0
+#define TRBSR_BSC_MASK GENMASK(5, 0)
+#define TRBSR_BSC_SHIFT 0
+#define TRBSR_FSC_MASK GENMASK(5, 0)
+#define TRBSR_FSC_SHIFT 0
+#define TRBMAR_SHARE_MASK GENMASK(1, 0)
+#define TRBMAR_SHARE_SHIFT 8
+#define TRBMAR_OUTER_MASK GENMASK(3, 0)
+#define TRBMAR_OUTER_SHIFT 4
+#define TRBMAR_INNER_MASK GENMASK(3, 0)
+#define TRBMAR_INNER_SHIFT 0
+#define TRBTRG_TRG_MASK GENMASK(31, 0)
+#define TRBTRG_TRG_SHIFT 0
+#define TRBIDR_FLAG BIT(5)
+#define TRBIDR_PROG BIT(4)
+#define TRBIDR_ALIGN_MASK GENMASK(3, 0)
+#define TRBIDR_ALIGN_SHIFT 0
+
#define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1)
#define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2)
@@ -465,7 +520,9 @@
#define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7)
+#define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0)
#define SYS_ZCR_EL2 sys_reg(3, 4, 1, 2, 0)
+#define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1)
#define SYS_DACR32_EL2 sys_reg(3, 4, 3, 0, 0)
#define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
#define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1)
@@ -554,8 +611,10 @@
#define SCTLR_ELx_TCF_ASYNC (UL(0x2) << SCTLR_ELx_TCF_SHIFT)
#define SCTLR_ELx_TCF_MASK (UL(0x3) << SCTLR_ELx_TCF_SHIFT)
+#define SCTLR_ELx_ENIA_SHIFT 31
+
#define SCTLR_ELx_ITFSB (BIT(37))
-#define SCTLR_ELx_ENIA (BIT(31))
+#define SCTLR_ELx_ENIA (BIT(SCTLR_ELx_ENIA_SHIFT))
#define SCTLR_ELx_ENIB (BIT(30))
#define SCTLR_ELx_ENDA (BIT(27))
#define SCTLR_ELx_EE (BIT(25))
@@ -568,9 +627,6 @@
#define SCTLR_ELx_A (BIT(1))
#define SCTLR_ELx_M (BIT(0))
-#define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \
- SCTLR_ELx_SA | SCTLR_ELx_I | SCTLR_ELx_IESB)
-
/* SCTLR_EL2 specific flags. */
#define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \
(BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
@@ -582,6 +638,13 @@
#define ENDIAN_SET_EL2 0
#endif
+#define INIT_SCTLR_EL2_MMU_ON \
+ (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | \
+ SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 | SCTLR_EL2_RES1)
+
+#define INIT_SCTLR_EL2_MMU_OFF \
+ (SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
+
/* SCTLR_EL1 specific flags. */
#define SCTLR_EL1_ATA0 (BIT(42))
@@ -615,12 +678,14 @@
#define ENDIAN_SET_EL1 0
#endif
-#define SCTLR_EL1_SET (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA |\
- SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I |\
- SCTLR_EL1_DZE | SCTLR_EL1_UCT |\
- SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN |\
- SCTLR_ELx_ITFSB| SCTLR_ELx_ATA | SCTLR_EL1_ATA0 |\
- ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_RES1)
+#define INIT_SCTLR_EL1_MMU_OFF \
+ (ENDIAN_SET_EL1 | SCTLR_EL1_RES1)
+
+#define INIT_SCTLR_EL1_MMU_ON \
+ (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_EL1_SA0 | \
+ SCTLR_EL1_SED | SCTLR_ELx_I | SCTLR_EL1_DZE | SCTLR_EL1_UCT | \
+ SCTLR_EL1_NTWE | SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \
+ ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_RES1)
/* MAIR_ELx memory attributes (used by Linux) */
#define MAIR_ATTR_DEVICE_nGnRnE UL(0x00)
@@ -631,6 +696,7 @@
#define MAIR_ATTR_NORMAL_TAGGED UL(0xf0)
#define MAIR_ATTR_NORMAL UL(0xff)
#define MAIR_ATTR_MASK UL(0xff)
+#define MAIR_ATTR_NORMAL_iNC_oWB UL(0xf4)
/* Position the attr at the correct index */
#define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8))
@@ -818,6 +884,8 @@
#define ID_AA64MMFR2_CNP_SHIFT 0
/* id_aa64dfr0 */
+#define ID_AA64DFR0_TRBE_SHIFT 44
+#define ID_AA64DFR0_TRACE_FILT_SHIFT 40
#define ID_AA64DFR0_DOUBLELOCK_SHIFT 36
#define ID_AA64DFR0_PMSVER_SHIFT 32
#define ID_AA64DFR0_CTX_CMPS_SHIFT 28
@@ -835,7 +903,10 @@
#define ID_DFR0_PERFMON_SHIFT 24
+#define ID_DFR0_PERFMON_8_0 0x3
#define ID_DFR0_PERFMON_8_1 0x4
+#define ID_DFR0_PERFMON_8_4 0x5
+#define ID_DFR0_PERFMON_8_5 0x6
#define ID_ISAR4_SWP_FRAC_SHIFT 28
#define ID_ISAR4_PSR_M_SHIFT 24
@@ -974,6 +1045,21 @@
#define SYS_GCR_EL1_RRND (BIT(16))
#define SYS_GCR_EL1_EXCL_MASK 0xffffUL
+#ifdef CONFIG_KASAN_HW_TAGS
+/*
+ * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it
+ * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF.
+ */
+#define __MTE_TAG_MIN (KASAN_TAG_MIN & 0xf)
+#define __MTE_TAG_MAX (KASAN_TAG_MAX & 0xf)
+#define __MTE_TAG_INCL GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN)
+#define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL)
+#else
+#define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK
+#endif
+
+#define KERNEL_GCR_EL1 (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL)
+
/* RGSR_EL1 Definitions */
#define SYS_RGSR_EL1_TAG_MASK 0xfUL
#define SYS_RGSR_EL1_SEED_SHIFT 8
@@ -992,6 +1078,14 @@
/* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
#define SYS_MPIDR_SAFE_VAL (BIT(31))
+#define TRFCR_ELx_TS_SHIFT 5
+#define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT)
+#define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT)
+#define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT)
+#define TRFCR_EL2_CX BIT(3)
+#define TRFCR_ELx_ExTRE BIT(1)
+#define TRFCR_ELx_E0TRE BIT(0)
+
#ifdef __ASSEMBLY__
.irp num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
diff --git a/arch/arm64/include/asm/system_misc.h b/arch/arm64/include/asm/system_misc.h
index 1ab63cf..305a715 100644
--- a/arch/arm64/include/asm/system_misc.h
+++ b/arch/arm64/include/asm/system_misc.h
@@ -22,7 +22,7 @@ void die(const char *msg, struct pt_regs *regs, int err);
struct siginfo;
void arm64_notify_die(const char *str, struct pt_regs *regs,
- int signo, int sicode, void __user *addr,
+ int signo, int sicode, unsigned long far,
int err);
void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
@@ -32,8 +32,6 @@ void hook_debug_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
struct mm_struct;
extern void __show_regs(struct pt_regs *);
-extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
-
#endif /* __ASSEMBLY__ */
#endif /* __ASM_SYSTEM_MISC_H */
diff --git a/arch/arm64/include/asm/traps.h b/arch/arm64/include/asm/traps.h
index d96dc2c..54f32a0 100644
--- a/arch/arm64/include/asm/traps.h
+++ b/arch/arm64/include/asm/traps.h
@@ -26,9 +26,9 @@ void register_undef_hook(struct undef_hook *hook);
void unregister_undef_hook(struct undef_hook *hook);
void force_signal_inject(int signal, int code, unsigned long address, unsigned int err);
void arm64_notify_segfault(unsigned long addr);
-void arm64_force_sig_fault(int signo, int code, void __user *addr, const char *str);
-void arm64_force_sig_mceerr(int code, void __user *addr, short lsb, const char *str);
-void arm64_force_sig_ptrace_errno_trap(int errno, void __user *addr, const char *str);
+void arm64_force_sig_fault(int signo, int code, unsigned long far, const char *str);
+void arm64_force_sig_mceerr(int code, unsigned long far, short lsb, const char *str);
+void arm64_force_sig_ptrace_errno_trap(int errno, unsigned long far, const char *str);
/*
* Move regs->pc to next instruction and do necessary setup before it
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 385a189..7450d25 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -20,10 +20,13 @@
#include <asm/cpufeature.h>
#include <asm/mmu.h>
+#include <asm/mte.h>
#include <asm/ptrace.h>
#include <asm/memory.h>
#include <asm/extable.h>
+#define HAVE_GET_KERNEL_NOFAULT
+
#define get_fs() (current_thread_info()->addr_limit)
static inline void set_fs(mm_segment_t fs)
@@ -200,13 +203,63 @@ do { \
CONFIG_ARM64_PAN)); \
} while (0)
-static inline void uaccess_disable(void)
+/*
+ * The Tag Check Flag (TCF) mode for MTE is per EL, hence TCF0
+ * affects EL0 and TCF affects EL1 irrespective of which TTBR is
+ * used.
+ * The kernel accesses TTBR0 usually with LDTR/STTR instructions
+ * when UAO is available, so these would act as EL0 accesses using
+ * TCF0.
+ * However futex.h code uses exclusives which would be executed as
+ * EL1, this can potentially cause a tag check fault even if the
+ * user disables TCF0.
+ *
+ * To address the problem we set the PSTATE.TCO bit in uaccess_enable()
+ * and reset it in uaccess_disable().
+ *
+ * The Tag check override (TCO) bit disables temporarily the tag checking
+ * preventing the issue.
+ */
+static inline void __uaccess_disable_tco(void)
{
+ asm volatile(ALTERNATIVE("nop", SET_PSTATE_TCO(0),
+ ARM64_MTE, CONFIG_KASAN_HW_TAGS));
+}
+
+static inline void __uaccess_enable_tco(void)
+{
+ asm volatile(ALTERNATIVE("nop", SET_PSTATE_TCO(1),
+ ARM64_MTE, CONFIG_KASAN_HW_TAGS));
+}
+
+/*
+ * These functions disable tag checking only if in MTE async mode
+ * since the sync mode generates exceptions synchronously and the
+ * nofault or load_unaligned_zeropad can handle them.
+ */
+static inline void __uaccess_disable_tco_async(void)
+{
+ if (system_uses_mte_async_mode())
+ __uaccess_disable_tco();
+}
+
+static inline void __uaccess_enable_tco_async(void)
+{
+ if (system_uses_mte_async_mode())
+ __uaccess_enable_tco();
+}
+
+static inline void uaccess_disable_privileged(void)
+{
+ __uaccess_disable_tco();
+
__uaccess_disable(ARM64_HAS_PAN);
}
-static inline void uaccess_enable(void)
+static inline void uaccess_enable_privileged(void)
{
+ __uaccess_enable_tco();
+
__uaccess_enable(ARM64_HAS_PAN);
}
@@ -253,10 +306,9 @@ static inline void __user *__uaccess_mask_ptr(const void __user *ptr)
* The "__xxx_error" versions set the third argument to -EFAULT if an error
* occurs, and leave it unchanged on success.
*/
-#define __get_user_asm(instr, alt_instr, reg, x, addr, err, feature) \
+#define __get_mem_asm(load, reg, x, addr, err) \
asm volatile( \
- "1:"ALTERNATIVE(instr " " reg "1, [%2]\n", \
- alt_instr " " reg "1, [%2]\n", feature) \
+ "1: " load " " reg "1, [%2]\n" \
"2:\n" \
" .section .fixup, \"ax\"\n" \
" .align 2\n" \
@@ -268,35 +320,36 @@ static inline void __user *__uaccess_mask_ptr(const void __user *ptr)
: "+r" (err), "=&r" (x) \
: "r" (addr), "i" (-EFAULT))
-#define __raw_get_user(x, ptr, err) \
+#define __raw_get_mem(ldr, x, ptr, err) \
do { \
unsigned long __gu_val; \
- __chk_user_ptr(ptr); \
- uaccess_enable_not_uao(); \
switch (sizeof(*(ptr))) { \
case 1: \
- __get_user_asm("ldrb", "ldtrb", "%w", __gu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __get_mem_asm(ldr "b", "%w", __gu_val, (ptr), (err)); \
break; \
case 2: \
- __get_user_asm("ldrh", "ldtrh", "%w", __gu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __get_mem_asm(ldr "h", "%w", __gu_val, (ptr), (err)); \
break; \
case 4: \
- __get_user_asm("ldr", "ldtr", "%w", __gu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __get_mem_asm(ldr, "%w", __gu_val, (ptr), (err)); \
break; \
case 8: \
- __get_user_asm("ldr", "ldtr", "%x", __gu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __get_mem_asm(ldr, "%x", __gu_val, (ptr), (err)); \
break; \
default: \
BUILD_BUG(); \
} \
- uaccess_disable_not_uao(); \
(x) = (__force __typeof__(*(ptr)))__gu_val; \
} while (0)
+#define __raw_get_user(x, ptr, err) \
+do { \
+ __chk_user_ptr(ptr); \
+ uaccess_enable_not_uao(); \
+ __raw_get_mem("ldtr", x, ptr, err); \
+ uaccess_disable_not_uao(); \
+} while (0)
+
#define __get_user_error(x, ptr, err) \
do { \
__typeof__(*(ptr)) __user *__p = (ptr); \
@@ -318,10 +371,21 @@ do { \
#define get_user __get_user
-#define __put_user_asm(instr, alt_instr, reg, x, addr, err, feature) \
+#define __get_kernel_nofault(dst, src, type, err_label) \
+do { \
+ int __gkn_err = 0; \
+ \
+ __uaccess_enable_tco_async(); \
+ __raw_get_mem("ldr", *((type *)(dst)), \
+ (__force type *)(src), __gkn_err); \
+ __uaccess_disable_tco_async(); \
+ if (unlikely(__gkn_err)) \
+ goto err_label; \
+} while (0)
+
+#define __put_mem_asm(store, reg, x, addr, err) \
asm volatile( \
- "1:"ALTERNATIVE(instr " " reg "1, [%2]\n", \
- alt_instr " " reg "1, [%2]\n", feature) \
+ "1: " store " " reg "1, [%2]\n" \
"2:\n" \
" .section .fixup,\"ax\"\n" \
" .align 2\n" \
@@ -332,31 +396,32 @@ do { \
: "+r" (err) \
: "r" (x), "r" (addr), "i" (-EFAULT))
-#define __raw_put_user(x, ptr, err) \
+#define __raw_put_mem(str, x, ptr, err) \
do { \
__typeof__(*(ptr)) __pu_val = (x); \
- __chk_user_ptr(ptr); \
- uaccess_enable_not_uao(); \
switch (sizeof(*(ptr))) { \
case 1: \
- __put_user_asm("strb", "sttrb", "%w", __pu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __put_mem_asm(str "b", "%w", __pu_val, (ptr), (err)); \
break; \
case 2: \
- __put_user_asm("strh", "sttrh", "%w", __pu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __put_mem_asm(str "h", "%w", __pu_val, (ptr), (err)); \
break; \
case 4: \
- __put_user_asm("str", "sttr", "%w", __pu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __put_mem_asm(str, "%w", __pu_val, (ptr), (err)); \
break; \
case 8: \
- __put_user_asm("str", "sttr", "%x", __pu_val, (ptr), \
- (err), ARM64_HAS_UAO); \
+ __put_mem_asm(str, "%x", __pu_val, (ptr), (err)); \
break; \
default: \
BUILD_BUG(); \
} \
+} while (0)
+
+#define __raw_put_user(x, ptr, err) \
+do { \
+ __chk_user_ptr(ptr); \
+ uaccess_enable_not_uao(); \
+ __raw_put_mem("sttr", x, ptr, err); \
uaccess_disable_not_uao(); \
} while (0)
@@ -381,6 +446,18 @@ do { \
#define put_user __put_user
+#define __put_kernel_nofault(dst, src, type, err_label) \
+do { \
+ int __pkn_err = 0; \
+ \
+ __uaccess_enable_tco_async(); \
+ __raw_put_mem("str", *((type *)(src)), \
+ (__force type *)(dst), __pkn_err); \
+ __uaccess_disable_tco_async(); \
+ if (unlikely(__pkn_err)) \
+ goto err_label; \
+} while(0)
+
extern unsigned long __must_check __arch_copy_from_user(void *to, const void __user *from, unsigned long n);
#define raw_copy_from_user(to, from, n) \
({ \
diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h
index 6069be5..7379f35 100644
--- a/arch/arm64/include/asm/virt.h
+++ b/arch/arm64/include/asm/virt.h
@@ -35,8 +35,13 @@
*/
#define HVC_RESET_VECTORS 2
+/*
+ * HVC_VHE_RESTART - Upgrade the CPU from EL1 to EL2, if possible
+ */
+#define HVC_VHE_RESTART 3
+
/* Max number of HYP stub hypercalls */
-#define HVC_STUB_HCALL_NR 3
+#define HVC_STUB_HCALL_NR 4
/* Error returned when an invalid stub number is passed into x0 */
#define HVC_STUB_ERR 0xbadca11
@@ -65,9 +70,19 @@ extern u32 __boot_cpu_mode[2];
void __hyp_set_vectors(phys_addr_t phys_vector_base);
void __hyp_reset_vectors(void);
+DECLARE_STATIC_KEY_FALSE(kvm_protected_mode_initialized);
+
/* Reports the availability of HYP mode */
static inline bool is_hyp_mode_available(void)
{
+ /*
+ * If KVM protected mode is initialized, all CPUs must have been booted
+ * in EL2. Avoid checking __boot_cpu_mode as CPUs now come up in EL1.
+ */
+ if (IS_ENABLED(CONFIG_KVM) &&
+ static_branch_likely(&kvm_protected_mode_initialized))
+ return true;
+
return (__boot_cpu_mode[0] == BOOT_CPU_MODE_EL2 &&
__boot_cpu_mode[1] == BOOT_CPU_MODE_EL2);
}
@@ -75,6 +90,14 @@ static inline bool is_hyp_mode_available(void)
/* Check if the bootloader has booted CPUs in different modes */
static inline bool is_hyp_mode_mismatched(void)
{
+ /*
+ * If KVM protected mode is initialized, all CPUs must have been booted
+ * in EL2. Avoid checking __boot_cpu_mode as CPUs now come up in EL1.
+ */
+ if (IS_ENABLED(CONFIG_KVM) &&
+ static_branch_likely(&kvm_protected_mode_initialized))
+ return false;
+
return __boot_cpu_mode[0] != __boot_cpu_mode[1];
}
@@ -97,6 +120,14 @@ static __always_inline bool has_vhe(void)
return cpus_have_final_cap(ARM64_HAS_VIRT_HOST_EXTN);
}
+static __always_inline bool is_protected_kvm_enabled(void)
+{
+ if (is_vhe_hyp_code())
+ return false;
+ else
+ return cpus_have_final_cap(ARM64_KVM_PROTECTED_MODE);
+}
+
#endif /* __ASSEMBLY__ */
#endif /* ! __ASM__VIRT_H */
diff --git a/arch/arm64/include/asm/word-at-a-time.h b/arch/arm64/include/asm/word-at-a-time.h
index ea48721..2dcb104 100644
--- a/arch/arm64/include/asm/word-at-a-time.h
+++ b/arch/arm64/include/asm/word-at-a-time.h
@@ -55,6 +55,8 @@ static inline unsigned long load_unaligned_zeropad(const void *addr)
{
unsigned long ret, tmp;
+ __uaccess_enable_tco_async();
+
/* Load word from unaligned pointer addr */
asm(
"1: ldr %0, %3\n"
@@ -76,6 +78,8 @@ static inline unsigned long load_unaligned_zeropad(const void *addr)
: "=&r" (ret), "=&r" (tmp)
: "r" (addr), "Q" (*(unsigned long *)addr));
+ __uaccess_disable_tco_async();
+
return ret;
}
diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h
index 1c17c3a..24223ad 100644
--- a/arch/arm64/include/uapi/asm/kvm.h
+++ b/arch/arm64/include/uapi/asm/kvm.h
@@ -156,9 +156,6 @@ struct kvm_sync_regs {
__u64 device_irq_level;
};
-struct kvm_arch_memory_slot {
-};
-
/*
* PMU filter structure. Describe a range of events with a particular
* action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER.
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index bbaf0bc..64e84b7 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -8,6 +8,7 @@
CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_insn.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE)
+CFLAGS_io.o := -D__DISABLE_TRACE_MMIO__
# Object file lists.
obj-y := debug-monitors.o entry.o irq.o fpsimd.o \
@@ -17,7 +18,7 @@
return_address.o cpuinfo.o cpu_errata.o \
cpufeature.o alternative.o cacheinfo.o \
smp.o smp_spin_table.o topology.o smccc-call.o \
- syscall.o proton-pack.o
+ syscall.o proton-pack.o idreg-override.o
targets += efi-entry.o
@@ -58,7 +59,6 @@
obj-$(CONFIG_CRASH_CORE) += crash_core.o
obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o
obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o
-obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
obj-$(CONFIG_ARM64_MTE) += mte.o
obj-y += vdso/ probes/
diff --git a/arch/arm64/kernel/acpi_parking_protocol.c b/arch/arm64/kernel/acpi_parking_protocol.c
index e7c941d..e7f3af6 100644
--- a/arch/arm64/kernel/acpi_parking_protocol.c
+++ b/arch/arm64/kernel/acpi_parking_protocol.c
@@ -99,7 +99,7 @@ static int acpi_parking_protocol_cpu_boot(unsigned int cpu)
* that read this address need to convert this address to the
* Boot-Loader's endianness before jumping.
*/
- writeq_relaxed(__pa_symbol(secondary_entry), &mailbox->entry_point);
+ writeq_relaxed(__pa_function(secondary_entry), &mailbox->entry_point);
writel_relaxed(cpu_entry->gic_cpu_id, &mailbox->cpu_id);
arch_send_wakeup_ipi_mask(cpumask_of(cpu));
diff --git a/arch/arm64/kernel/alternative.c b/arch/arm64/kernel/alternative.c
index 7303994..d32363d 100644
--- a/arch/arm64/kernel/alternative.c
+++ b/arch/arm64/kernel/alternative.c
@@ -21,7 +21,8 @@
#define ALT_ORIG_PTR(a) __ALT_PTR(a, orig_offset)
#define ALT_REPL_PTR(a) __ALT_PTR(a, alt_offset)
-static int all_alternatives_applied;
+/* Volatile, as we may be patching the guts of READ_ONCE() */
+static volatile int all_alternatives_applied;
static DECLARE_BITMAP(applied_alternatives, ARM64_NCAPS);
@@ -132,8 +133,8 @@ static void clean_dcache_range_nopatch(u64 start, u64 end)
} while (cur += d_size, cur < end);
}
-static void __apply_alternatives(void *alt_region, bool is_module,
- unsigned long *feature_mask)
+static void __nocfi __apply_alternatives(void *alt_region, bool is_module,
+ unsigned long *feature_mask)
{
struct alt_instr *alt;
struct alt_region *region = alt_region;
@@ -205,7 +206,7 @@ static int __apply_alternatives_multi_stop(void *unused)
/* We always have a CPU 0 at this point (__init) */
if (smp_processor_id()) {
- while (!READ_ONCE(all_alternatives_applied))
+ while (!all_alternatives_applied)
cpu_relax();
isb();
} else {
@@ -217,7 +218,7 @@ static int __apply_alternatives_multi_stop(void *unused)
BUG_ON(all_alternatives_applied);
__apply_alternatives(®ion, false, remaining_capabilities);
/* Barriers provided by the cache flushing */
- WRITE_ONCE(all_alternatives_applied, 1);
+ all_alternatives_applied = 1;
}
return 0;
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 7364de0..0e86e8b 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -277,7 +277,7 @@ static void __init register_insn_emulation_sysctl(void)
#define __user_swpX_asm(data, addr, res, temp, temp2, B) \
do { \
- uaccess_enable(); \
+ uaccess_enable_privileged(); \
__asm__ __volatile__( \
" mov %w3, %w7\n" \
"0: ldxr"B" %w2, [%4]\n" \
@@ -302,7 +302,7 @@ do { \
"i" (-EFAULT), \
"i" (__SWP_LL_SC_LOOPS) \
: "memory"); \
- uaccess_disable(); \
+ uaccess_disable_privileged(); \
} while (0)
#define __user_swp_asm(data, addr, res, temp, temp2) \
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index 7d32fc9..93da876 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -44,10 +44,14 @@ int main(void)
#endif
BLANK();
DEFINE(THREAD_CPU_CONTEXT, offsetof(struct task_struct, thread.cpu_context));
+ DEFINE(THREAD_SCTLR_USER, offsetof(struct task_struct, thread.sctlr_user));
#ifdef CONFIG_ARM64_PTR_AUTH
DEFINE(THREAD_KEYS_USER, offsetof(struct task_struct, thread.keys_user));
DEFINE(THREAD_KEYS_KERNEL, offsetof(struct task_struct, thread.keys_kernel));
#endif
+#ifdef CONFIG_ARM64_MTE
+ DEFINE(THREAD_MTE_CTRL, offsetof(struct task_struct, thread.mte_ctrl));
+#endif
BLANK();
DEFINE(S_X0, offsetof(struct pt_regs, regs[0]));
DEFINE(S_X2, offsetof(struct pt_regs, regs[2]));
@@ -93,10 +97,15 @@ int main(void)
DEFINE(DMA_FROM_DEVICE, DMA_FROM_DEVICE);
BLANK();
DEFINE(PREEMPT_DISABLE_OFFSET, PREEMPT_DISABLE_OFFSET);
+ DEFINE(SOFTIRQ_SHIFT, SOFTIRQ_SHIFT);
+ DEFINE(IRQ_CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
BLANK();
DEFINE(CPU_BOOT_STACK, offsetof(struct secondary_data, stack));
DEFINE(CPU_BOOT_TASK, offsetof(struct secondary_data, task));
BLANK();
+ DEFINE(FTR_OVR_VAL_OFFSET, offsetof(struct arm64_ftr_override, val));
+ DEFINE(FTR_OVR_MASK_OFFSET, offsetof(struct arm64_ftr_override, mask));
+ BLANK();
#ifdef CONFIG_KVM
DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt));
DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1));
@@ -110,6 +119,14 @@ int main(void)
DEFINE(CPU_APGAKEYLO_EL1, offsetof(struct kvm_cpu_context, sys_regs[APGAKEYLO_EL1]));
DEFINE(HOST_CONTEXT_VCPU, offsetof(struct kvm_cpu_context, __hyp_running_vcpu));
DEFINE(HOST_DATA_CONTEXT, offsetof(struct kvm_host_data, host_ctxt));
+ DEFINE(NVHE_INIT_MAIR_EL2, offsetof(struct kvm_nvhe_init_params, mair_el2));
+ DEFINE(NVHE_INIT_TCR_EL2, offsetof(struct kvm_nvhe_init_params, tcr_el2));
+ DEFINE(NVHE_INIT_TPIDR_EL2, offsetof(struct kvm_nvhe_init_params, tpidr_el2));
+ DEFINE(NVHE_INIT_STACK_HYP_VA, offsetof(struct kvm_nvhe_init_params, stack_hyp_va));
+ DEFINE(NVHE_INIT_PGD_PA, offsetof(struct kvm_nvhe_init_params, pgd_pa));
+ DEFINE(NVHE_INIT_HCR_EL2, offsetof(struct kvm_nvhe_init_params, hcr_el2));
+ DEFINE(NVHE_INIT_VTTBR, offsetof(struct kvm_nvhe_init_params, vttbr));
+ DEFINE(NVHE_INIT_VTCR, offsetof(struct kvm_nvhe_init_params, vtcr));
#endif
#ifdef CONFIG_CPU_PM
DEFINE(CPU_CTX_SP, offsetof(struct cpu_suspend_ctx, sp));
@@ -137,10 +154,6 @@ int main(void)
#endif
#ifdef CONFIG_ARM64_PTR_AUTH
DEFINE(PTRAUTH_USER_KEY_APIA, offsetof(struct ptrauth_keys_user, apia));
- DEFINE(PTRAUTH_USER_KEY_APIB, offsetof(struct ptrauth_keys_user, apib));
- DEFINE(PTRAUTH_USER_KEY_APDA, offsetof(struct ptrauth_keys_user, apda));
- DEFINE(PTRAUTH_USER_KEY_APDB, offsetof(struct ptrauth_keys_user, apdb));
- DEFINE(PTRAUTH_USER_KEY_APGA, offsetof(struct ptrauth_keys_user, apga));
DEFINE(PTRAUTH_KERNEL_KEY_APIA, offsetof(struct ptrauth_keys_kernel, apia));
BLANK();
#endif
diff --git a/arch/arm64/kernel/cpu-reset.S b/arch/arm64/kernel/cpu-reset.S
index 37721eb..d47ff63 100644
--- a/arch/arm64/kernel/cpu-reset.S
+++ b/arch/arm64/kernel/cpu-reset.S
@@ -30,10 +30,7 @@
* flat identity mapping.
*/
SYM_CODE_START(__cpu_soft_restart)
- /* Clear sctlr_el1 flags. */
- mrs x12, sctlr_el1
- mov_q x13, SCTLR_ELx_FLAGS
- bic x12, x12, x13
+ mov_q x12, INIT_SCTLR_EL1_MMU_OFF
pre_disable_mmu_workaround
/*
* either disable EL1&0 translation regime or disable EL2&0 translation
diff --git a/arch/arm64/kernel/cpu-reset.h b/arch/arm64/kernel/cpu-reset.h
index ed50e95..a05bda3 100644
--- a/arch/arm64/kernel/cpu-reset.h
+++ b/arch/arm64/kernel/cpu-reset.h
@@ -13,16 +13,16 @@
void __cpu_soft_restart(unsigned long el2_switch, unsigned long entry,
unsigned long arg0, unsigned long arg1, unsigned long arg2);
-static inline void __noreturn cpu_soft_restart(unsigned long entry,
- unsigned long arg0,
- unsigned long arg1,
- unsigned long arg2)
+static inline void __noreturn __nocfi cpu_soft_restart(unsigned long entry,
+ unsigned long arg0,
+ unsigned long arg1,
+ unsigned long arg2)
{
typeof(__cpu_soft_restart) *restart;
unsigned long el2_switch = !is_kernel_in_hyp_mode() &&
is_hyp_mode_available();
- restart = (void *)__pa_symbol(__cpu_soft_restart);
+ restart = (void *)__pa_function(__cpu_soft_restart);
cpu_install_idmap();
restart(el2_switch, entry, arg0, arg1, arg2);
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index cafaf0d..a634283 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -196,16 +196,6 @@ has_neoverse_n1_erratum_1542419(const struct arm64_cpu_capabilities *entry,
return is_midr_in_range(midr, &range) && has_dic;
}
-#ifdef CONFIG_RANDOMIZE_BASE
-
-static const struct midr_range ca57_a72[] = {
- MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
- MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
- {},
-};
-
-#endif
-
#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
@@ -461,9 +451,12 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
},
#ifdef CONFIG_RANDOMIZE_BASE
{
- .desc = "EL2 vector hardening",
- .capability = ARM64_HARDEN_EL2_VECTORS,
- ERRATA_MIDR_RANGE_LIST(ca57_a72),
+ /* Must come after the Spectre-v2 entry */
+ .desc = "Spectre-v3a",
+ .capability = ARM64_SPECTRE_V3A,
+ .type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+ .matches = has_spectre_v3a,
+ .cpu_enable = spectre_v3a_enable_mitigation,
},
#endif
{
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 5001c43..d9e5c16 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -67,13 +67,16 @@
#include <linux/crash_dump.h>
#include <linux/sort.h>
#include <linux/stop_machine.h>
+#include <linux/sysfs.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/cpu.h>
+#include <linux/kasan.h>
#include <asm/cpu.h>
#include <asm/cpufeature.h>
#include <asm/cpu_ops.h>
#include <asm/fpsimd.h>
+#include <asm/kvm_host.h>
#include <asm/mmu_context.h>
#include <asm/mte.h>
#include <asm/processor.h>
@@ -105,6 +108,24 @@ bool arm64_use_ng_mappings = false;
EXPORT_SYMBOL(arm64_use_ng_mappings);
/*
+ * Permit PER_LINUX32 and execve() of 32-bit binaries even if not all CPUs
+ * support it?
+ */
+static bool __read_mostly allow_mismatched_32bit_el0;
+
+/*
+ * Static branch enabled only if allow_mismatched_32bit_el0 is set and we have
+ * seen at least one CPU capable of 32-bit EL0.
+ */
+DEFINE_STATIC_KEY_FALSE(arm64_mismatched_32bit_el0);
+
+/*
+ * Mask of CPUs supporting 32-bit EL0.
+ * Only valid if arm64_mismatched_32bit_el0 is enabled.
+ */
+static cpumask_var_t cpu_32bit_el0_mask __cpumask_var_read_mostly;
+
+/*
* Flag to indicate if we have computed the system wide
* capabilities based on the boot time active CPUs. This
* will be used to determine if a new booting CPU should
@@ -354,9 +375,12 @@ static const struct arm64_ftr_bits ftr_ctr[] = {
ARM64_FTR_END,
};
+static struct arm64_ftr_override __ro_after_init no_override = { };
+
struct arm64_ftr_reg arm64_ftr_reg_ctrel0 = {
.name = "SYS_CTR_EL0",
- .ftr_bits = ftr_ctr
+ .ftr_bits = ftr_ctr,
+ .override = &no_override,
};
static const struct arm64_ftr_bits ftr_id_mmfr0[] = {
@@ -545,13 +569,20 @@ static const struct arm64_ftr_bits ftr_raz[] = {
ARM64_FTR_END,
};
-#define ARM64_FTR_REG(id, table) { \
- .sys_id = id, \
- .reg = &(struct arm64_ftr_reg){ \
- .name = #id, \
- .ftr_bits = &((table)[0]), \
+#define ARM64_FTR_REG_OVERRIDE(id, table, ovr) { \
+ .sys_id = id, \
+ .reg = &(struct arm64_ftr_reg){ \
+ .name = #id, \
+ .override = (ovr), \
+ .ftr_bits = &((table)[0]), \
}}
+#define ARM64_FTR_REG(id, table) ARM64_FTR_REG_OVERRIDE(id, table, &no_override)
+
+struct arm64_ftr_override __ro_after_init id_aa64mmfr1_override;
+struct arm64_ftr_override __ro_after_init id_aa64pfr1_override;
+struct arm64_ftr_override __ro_after_init id_aa64isar1_override;
+
static const struct __ftr_reg_entry {
u32 sys_id;
struct arm64_ftr_reg *reg;
@@ -586,7 +617,8 @@ static const struct __ftr_reg_entry {
/* Op1 = 0, CRn = 0, CRm = 4 */
ARM64_FTR_REG(SYS_ID_AA64PFR0_EL1, ftr_id_aa64pfr0),
- ARM64_FTR_REG(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1),
+ ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1,
+ &id_aa64pfr1_override),
ARM64_FTR_REG(SYS_ID_AA64ZFR0_EL1, ftr_id_aa64zfr0),
/* Op1 = 0, CRn = 0, CRm = 5 */
@@ -595,11 +627,13 @@ static const struct __ftr_reg_entry {
/* Op1 = 0, CRn = 0, CRm = 6 */
ARM64_FTR_REG(SYS_ID_AA64ISAR0_EL1, ftr_id_aa64isar0),
- ARM64_FTR_REG(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1),
+ ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1,
+ &id_aa64isar1_override),
/* Op1 = 0, CRn = 0, CRm = 7 */
ARM64_FTR_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0),
- ARM64_FTR_REG(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1),
+ ARM64_FTR_REG_OVERRIDE(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1,
+ &id_aa64mmfr1_override),
ARM64_FTR_REG(SYS_ID_AA64MMFR2_EL1, ftr_id_aa64mmfr2),
/* Op1 = 0, CRn = 1, CRm = 2 */
@@ -755,7 +789,7 @@ static void __init sort_ftr_regs(void)
* Any bits that are not covered by an arm64_ftr_bits entry are considered
* RES0 for the system-wide value, and must strictly match.
*/
-static void __init init_cpu_ftr_reg(u32 sys_reg, u64 new)
+static void init_cpu_ftr_reg(u32 sys_reg, u64 new)
{
u64 val = 0;
u64 strict_mask = ~0x0ULL;
@@ -771,6 +805,33 @@ static void __init init_cpu_ftr_reg(u32 sys_reg, u64 new)
for (ftrp = reg->ftr_bits; ftrp->width; ftrp++) {
u64 ftr_mask = arm64_ftr_mask(ftrp);
s64 ftr_new = arm64_ftr_value(ftrp, new);
+ s64 ftr_ovr = arm64_ftr_value(ftrp, reg->override->val);
+
+ if ((ftr_mask & reg->override->mask) == ftr_mask) {
+ s64 tmp = arm64_ftr_safe_value(ftrp, ftr_ovr, ftr_new);
+ char *str = NULL;
+
+ if (ftr_ovr != tmp) {
+ /* Unsafe, remove the override */
+ reg->override->mask &= ~ftr_mask;
+ reg->override->val &= ~ftr_mask;
+ tmp = ftr_ovr;
+ str = "ignoring override";
+ } else if (ftr_new != tmp) {
+ /* Override was valid */
+ ftr_new = tmp;
+ str = "forced";
+ } else if (ftr_ovr == tmp) {
+ /* Override was the safe value */
+ str = "already set";
+ }
+
+ if (str)
+ pr_warn("%s[%d:%d]: %s to %llx\n",
+ reg->name,
+ ftrp->shift + ftrp->width - 1,
+ ftrp->shift, str, tmp);
+ }
val = arm64_ftr_set_value(ftrp, val, ftr_new);
@@ -818,6 +879,31 @@ static void __init init_cpu_hwcaps_indirect_list(void)
static void __init setup_boot_cpu_capabilities(void);
+static void init_32bit_cpu_features(struct cpuinfo_32bit *info)
+{
+ init_cpu_ftr_reg(SYS_ID_DFR0_EL1, info->reg_id_dfr0);
+ init_cpu_ftr_reg(SYS_ID_DFR1_EL1, info->reg_id_dfr1);
+ init_cpu_ftr_reg(SYS_ID_ISAR0_EL1, info->reg_id_isar0);
+ init_cpu_ftr_reg(SYS_ID_ISAR1_EL1, info->reg_id_isar1);
+ init_cpu_ftr_reg(SYS_ID_ISAR2_EL1, info->reg_id_isar2);
+ init_cpu_ftr_reg(SYS_ID_ISAR3_EL1, info->reg_id_isar3);
+ init_cpu_ftr_reg(SYS_ID_ISAR4_EL1, info->reg_id_isar4);
+ init_cpu_ftr_reg(SYS_ID_ISAR5_EL1, info->reg_id_isar5);
+ init_cpu_ftr_reg(SYS_ID_ISAR6_EL1, info->reg_id_isar6);
+ init_cpu_ftr_reg(SYS_ID_MMFR0_EL1, info->reg_id_mmfr0);
+ init_cpu_ftr_reg(SYS_ID_MMFR1_EL1, info->reg_id_mmfr1);
+ init_cpu_ftr_reg(SYS_ID_MMFR2_EL1, info->reg_id_mmfr2);
+ init_cpu_ftr_reg(SYS_ID_MMFR3_EL1, info->reg_id_mmfr3);
+ init_cpu_ftr_reg(SYS_ID_MMFR4_EL1, info->reg_id_mmfr4);
+ init_cpu_ftr_reg(SYS_ID_MMFR5_EL1, info->reg_id_mmfr5);
+ init_cpu_ftr_reg(SYS_ID_PFR0_EL1, info->reg_id_pfr0);
+ init_cpu_ftr_reg(SYS_ID_PFR1_EL1, info->reg_id_pfr1);
+ init_cpu_ftr_reg(SYS_ID_PFR2_EL1, info->reg_id_pfr2);
+ init_cpu_ftr_reg(SYS_MVFR0_EL1, info->reg_mvfr0);
+ init_cpu_ftr_reg(SYS_MVFR1_EL1, info->reg_mvfr1);
+ init_cpu_ftr_reg(SYS_MVFR2_EL1, info->reg_mvfr2);
+}
+
void __init init_cpu_features(struct cpuinfo_arm64 *info)
{
/* Before we start using the tables, make sure it is sorted */
@@ -837,29 +923,8 @@ void __init init_cpu_features(struct cpuinfo_arm64 *info)
init_cpu_ftr_reg(SYS_ID_AA64PFR1_EL1, info->reg_id_aa64pfr1);
init_cpu_ftr_reg(SYS_ID_AA64ZFR0_EL1, info->reg_id_aa64zfr0);
- if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
- init_cpu_ftr_reg(SYS_ID_DFR0_EL1, info->reg_id_dfr0);
- init_cpu_ftr_reg(SYS_ID_DFR1_EL1, info->reg_id_dfr1);
- init_cpu_ftr_reg(SYS_ID_ISAR0_EL1, info->reg_id_isar0);
- init_cpu_ftr_reg(SYS_ID_ISAR1_EL1, info->reg_id_isar1);
- init_cpu_ftr_reg(SYS_ID_ISAR2_EL1, info->reg_id_isar2);
- init_cpu_ftr_reg(SYS_ID_ISAR3_EL1, info->reg_id_isar3);
- init_cpu_ftr_reg(SYS_ID_ISAR4_EL1, info->reg_id_isar4);
- init_cpu_ftr_reg(SYS_ID_ISAR5_EL1, info->reg_id_isar5);
- init_cpu_ftr_reg(SYS_ID_ISAR6_EL1, info->reg_id_isar6);
- init_cpu_ftr_reg(SYS_ID_MMFR0_EL1, info->reg_id_mmfr0);
- init_cpu_ftr_reg(SYS_ID_MMFR1_EL1, info->reg_id_mmfr1);
- init_cpu_ftr_reg(SYS_ID_MMFR2_EL1, info->reg_id_mmfr2);
- init_cpu_ftr_reg(SYS_ID_MMFR3_EL1, info->reg_id_mmfr3);
- init_cpu_ftr_reg(SYS_ID_MMFR4_EL1, info->reg_id_mmfr4);
- init_cpu_ftr_reg(SYS_ID_MMFR5_EL1, info->reg_id_mmfr5);
- init_cpu_ftr_reg(SYS_ID_PFR0_EL1, info->reg_id_pfr0);
- init_cpu_ftr_reg(SYS_ID_PFR1_EL1, info->reg_id_pfr1);
- init_cpu_ftr_reg(SYS_ID_PFR2_EL1, info->reg_id_pfr2);
- init_cpu_ftr_reg(SYS_MVFR0_EL1, info->reg_mvfr0);
- init_cpu_ftr_reg(SYS_MVFR1_EL1, info->reg_mvfr1);
- init_cpu_ftr_reg(SYS_MVFR2_EL1, info->reg_mvfr2);
- }
+ if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0))
+ init_32bit_cpu_features(&info->aarch32);
if (id_aa64pfr0_sve(info->reg_id_aa64pfr0)) {
init_cpu_ftr_reg(SYS_ZCR_EL1, info->reg_zcr);
@@ -930,21 +995,29 @@ static void relax_cpu_ftr_reg(u32 sys_id, int field)
WARN_ON(!ftrp->width);
}
-static int update_32bit_cpu_features(int cpu, struct cpuinfo_arm64 *info,
- struct cpuinfo_arm64 *boot)
+static void update_mismatched_32bit_el0_cpu_features(struct cpuinfo_arm64 *info,
+ struct cpuinfo_arm64 *boot)
+{
+ static bool boot_cpu_32bit_regs_overridden = false;
+
+ if (!allow_mismatched_32bit_el0 || boot_cpu_32bit_regs_overridden)
+ return;
+
+ if (id_aa64pfr0_32bit_el0(boot->reg_id_aa64pfr0))
+ return;
+
+ boot->aarch32 = info->aarch32;
+ init_32bit_cpu_features(&boot->aarch32);
+ boot_cpu_32bit_regs_overridden = true;
+}
+
+static int update_32bit_cpu_features(int cpu, struct cpuinfo_32bit *info,
+ struct cpuinfo_32bit *boot)
{
int taint = 0;
u64 pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
/*
- * If we don't have AArch32 at all then skip the checks entirely
- * as the register values may be UNKNOWN and we're not going to be
- * using them for anything.
- */
- if (!id_aa64pfr0_32bit_el0(pfr0))
- return taint;
-
- /*
* If we don't have AArch32 at EL1, then relax the strictness of
* EL1-dependent register fields to avoid spurious sanity check fails.
*/
@@ -1090,10 +1163,18 @@ void update_cpu_features(int cpu,
}
/*
+ * If we don't have AArch32 at all then skip the checks entirely
+ * as the register values may be UNKNOWN and we're not going to be
+ * using them for anything.
+ *
* This relies on a sanitised view of the AArch64 ID registers
* (e.g. SYS_ID_AA64PFR0_EL1), so we call it last.
*/
- taint |= update_32bit_cpu_features(cpu, info, boot);
+ if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
+ update_mismatched_32bit_el0_cpu_features(info, boot);
+ taint |= update_32bit_cpu_features(cpu, &info->aarch32,
+ &boot->aarch32);
+ }
/*
* Mismatched CPU features are a recipe for disaster. Don't even
@@ -1116,14 +1197,17 @@ u64 read_sanitised_ftr_reg(u32 id)
EXPORT_SYMBOL_GPL(read_sanitised_ftr_reg);
#define read_sysreg_case(r) \
- case r: return read_sysreg_s(r)
+ case r: val = read_sysreg_s(r); break;
/*
* __read_sysreg_by_encoding() - Used by a STARTING cpu before cpuinfo is populated.
* Read the system register on the current CPU
*/
-static u64 __read_sysreg_by_encoding(u32 sys_id)
+u64 __read_sysreg_by_encoding(u32 sys_id)
{
+ struct arm64_ftr_reg *regp;
+ u64 val;
+
switch (sys_id) {
read_sysreg_case(SYS_ID_PFR0_EL1);
read_sysreg_case(SYS_ID_PFR1_EL1);
@@ -1166,6 +1250,14 @@ static u64 __read_sysreg_by_encoding(u32 sys_id)
BUG();
return 0;
}
+
+ regp = get_arm64_ftr_reg(sys_id);
+ if (regp) {
+ val &= ~regp->override->mask;
+ val |= (regp->override->val & regp->override->mask);
+ }
+
+ return val;
}
#include <linux/irqchip/arm-gic-v3.h>
@@ -1192,6 +1284,54 @@ has_cpuid_feature(const struct arm64_cpu_capabilities *entry, int scope)
return feature_matches(val, entry);
}
+const struct cpumask *system_32bit_el0_cpumask(void)
+{
+ if (!system_supports_32bit_el0())
+ return cpu_none_mask;
+
+ if (static_branch_unlikely(&arm64_mismatched_32bit_el0))
+ return cpu_32bit_el0_mask;
+
+ return cpu_possible_mask;
+}
+EXPORT_SYMBOL_GPL(system_32bit_el0_cpumask);
+
+static int __init parse_32bit_el0_param(char *str)
+{
+ allow_mismatched_32bit_el0 = true;
+ return 0;
+}
+early_param("allow_mismatched_32bit_el0", parse_32bit_el0_param);
+
+static ssize_t aarch32_el0_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ const struct cpumask *mask = system_32bit_el0_cpumask();
+
+ return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(mask));
+}
+static const DEVICE_ATTR_RO(aarch32_el0);
+
+static int __init aarch32_el0_sysfs_init(void)
+{
+ if (!allow_mismatched_32bit_el0)
+ return 0;
+
+ return device_create_file(cpu_subsys.dev_root, &dev_attr_aarch32_el0);
+}
+device_initcall(aarch32_el0_sysfs_init);
+
+static bool has_32bit_el0(const struct arm64_cpu_capabilities *entry, int scope)
+{
+ if (!has_cpuid_feature(entry, scope))
+ return allow_mismatched_32bit_el0;
+
+ if (scope == SCOPE_SYSTEM)
+ pr_info("detected: 32-bit EL0 Support\n");
+
+ return true;
+}
+
static bool has_useable_gicv3_cpuif(const struct arm64_cpu_capabilities *entry, int scope)
{
bool has_sre;
@@ -1393,7 +1533,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
}
#ifdef CONFIG_UNMAP_KERNEL_AT_EL0
-static void
+static void __nocfi
kpti_install_ng_mappings(const struct arm64_cpu_capabilities *__unused)
{
typedef void (kpti_remap_fn)(int, int, phys_addr_t);
@@ -1410,7 +1550,7 @@ kpti_install_ng_mappings(const struct arm64_cpu_capabilities *__unused)
if (arm64_use_ng_mappings)
return;
- remap_fn = (void *)__pa_symbol(idmap_kpti_install_ng_mappings);
+ remap_fn = (void *)__pa_function(idmap_kpti_install_ng_mappings);
cpu_install_idmap();
remap_fn(cpu, num_online_cpus(), __pa_symbol(swapper_pg_dir));
@@ -1599,7 +1739,7 @@ static void cpu_enable_pan(const struct arm64_cpu_capabilities *__unused)
WARN_ON_ONCE(in_interrupt());
sysreg_clear_set(sctlr_el1, SCTLR_EL1_SPAN, 0);
- asm(SET_PSTATE_PAN(1));
+ set_pstate_pan(1);
}
#endif /* CONFIG_ARM64_PAN */
@@ -1695,15 +1835,35 @@ static void bti_enable(const struct arm64_cpu_capabilities *__unused)
#ifdef CONFIG_ARM64_MTE
static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap)
{
+ sysreg_clear_set(sctlr_el1, 0, SCTLR_ELx_ATA | SCTLR_EL1_ATA0);
+ isb();
+
/*
* Clear the tags in the zero page. This needs to be done via the
* linear map which has the Tagged attribute.
*/
if (!test_and_set_bit(PG_mte_tagged, &ZERO_PAGE(0)->flags))
mte_clear_page_tags(lm_alias(empty_zero_page));
+
+ kasan_init_hw_tags_cpu();
}
#endif /* CONFIG_ARM64_MTE */
+#ifdef CONFIG_KVM
+static bool is_kvm_protected_mode(const struct arm64_cpu_capabilities *entry, int __unused)
+{
+ if (kvm_get_mode() != KVM_MODE_PROTECTED)
+ return false;
+
+ if (is_kernel_in_hyp_mode()) {
+ pr_warn("Protected KVM not available with VHE\n");
+ return false;
+ }
+
+ return true;
+}
+#endif /* CONFIG_KVM */
+
/* Internal helper functions to match cpu capability type */
static bool
cpucap_late_cpu_optional(const struct arm64_cpu_capabilities *cap)
@@ -1797,10 +1957,9 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
},
#endif /* CONFIG_ARM64_VHE */
{
- .desc = "32-bit EL0 Support",
- .capability = ARM64_HAS_32BIT_EL0,
+ .capability = ARM64_HAS_32BIT_EL0_DO_NOT_USE,
.type = ARM64_CPUCAP_SYSTEM_FEATURE,
- .matches = has_cpuid_feature,
+ .matches = has_32bit_el0,
.sys_reg = SYS_ID_AA64PFR0_EL1,
.sign = FTR_UNSIGNED,
.field_pos = ID_AA64PFR0_EL0_SHIFT,
@@ -1817,6 +1976,12 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.field_pos = ID_AA64PFR0_EL1_SHIFT,
.min_field_value = ID_AA64PFR0_EL1_32BIT_64BIT,
},
+ {
+ .desc = "Protected KVM",
+ .capability = ARM64_KVM_PROTECTED_MODE,
+ .type = ARM64_CPUCAP_SYSTEM_FEATURE,
+ .matches = is_kvm_protected_mode,
+ },
#endif
{
.desc = "Kernel page table isolation (KPTI)",
@@ -2133,6 +2298,16 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.cpu_enable = cpu_enable_mte,
},
#endif /* CONFIG_ARM64_MTE */
+ {
+ .desc = "RCpc load-acquire (LDAPR)",
+ .capability = ARM64_HAS_LDAPR,
+ .type = ARM64_CPUCAP_SYSTEM_FEATURE,
+ .sys_reg = SYS_ID_AA64ISAR1_EL1,
+ .sign = FTR_UNSIGNED,
+ .field_pos = ID_AA64ISAR1_LRCPC_SHIFT,
+ .matches = has_cpuid_feature,
+ .min_field_value = 1,
+ },
{},
};
@@ -2293,7 +2468,7 @@ static const struct arm64_cpu_capabilities compat_elf_hwcaps[] = {
{},
};
-static void __init cap_set_elf_hwcap(const struct arm64_cpu_capabilities *cap)
+static void cap_set_elf_hwcap(const struct arm64_cpu_capabilities *cap)
{
switch (cap->hwcap_type) {
case CAP_HWCAP:
@@ -2338,7 +2513,7 @@ static bool cpus_have_elf_hwcap(const struct arm64_cpu_capabilities *cap)
return rc;
}
-static void __init setup_elf_hwcaps(const struct arm64_cpu_capabilities *hwcaps)
+static void setup_elf_hwcaps(const struct arm64_cpu_capabilities *hwcaps)
{
/* We support emulation of accesses to CPU ID feature registers */
cpu_set_named_feature(CPUID);
@@ -2513,7 +2688,7 @@ static void check_early_cpu_features(void)
}
static void
-verify_local_elf_hwcaps(const struct arm64_cpu_capabilities *caps)
+__verify_local_elf_hwcaps(const struct arm64_cpu_capabilities *caps)
{
for (; caps->matches; caps++)
@@ -2524,6 +2699,14 @@ verify_local_elf_hwcaps(const struct arm64_cpu_capabilities *caps)
}
}
+static void verify_local_elf_hwcaps(void)
+{
+ __verify_local_elf_hwcaps(arm64_elf_hwcaps);
+
+ if (id_aa64pfr0_32bit_el0(read_cpuid(ID_AA64PFR0_EL1)))
+ __verify_local_elf_hwcaps(compat_elf_hwcaps);
+}
+
static void verify_sve_features(void)
{
u64 safe_zcr = read_sanitised_ftr_reg(SYS_ZCR_EL1);
@@ -2588,11 +2771,7 @@ static void verify_local_cpu_capabilities(void)
* on all secondary CPUs.
*/
verify_local_cpu_caps(SCOPE_ALL & ~SCOPE_BOOT_CPU);
-
- verify_local_elf_hwcaps(arm64_elf_hwcaps);
-
- if (system_supports_32bit_el0())
- verify_local_elf_hwcaps(compat_elf_hwcaps);
+ verify_local_elf_hwcaps();
if (system_supports_sve())
verify_sve_features();
@@ -2727,6 +2906,52 @@ void __init setup_cpu_features(void)
ARCH_DMA_MINALIGN);
}
+static int enable_mismatched_32bit_el0(unsigned int cpu)
+{
+ static int lucky_winner = -1;
+
+ struct cpuinfo_arm64 *info = &per_cpu(cpu_data, cpu);
+ bool cpu_32bit = id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0);
+
+ if (cpu_32bit) {
+ cpumask_set_cpu(cpu, cpu_32bit_el0_mask);
+ static_branch_enable_cpuslocked(&arm64_mismatched_32bit_el0);
+ }
+
+ if (cpumask_test_cpu(0, cpu_32bit_el0_mask) == cpu_32bit)
+ return 0;
+
+ if (lucky_winner >= 0)
+ return 0;
+
+ /*
+ * We've detected a mismatch. We need to keep one of our CPUs with
+ * 32-bit EL0 online so that is_cpu_allowed() doesn't end up rejecting
+ * every CPU in the system for a 32-bit task.
+ */
+ lucky_winner = cpu_32bit ? cpu : cpumask_any_and(cpu_32bit_el0_mask,
+ cpu_active_mask);
+ get_cpu_device(lucky_winner)->offline_disabled = true;
+ setup_elf_hwcaps(compat_elf_hwcaps);
+ pr_info("Asymmetric 32-bit EL0 support detected on CPU %u; CPU hot-unplug disabled on CPU %u\n",
+ cpu, lucky_winner);
+ return 0;
+}
+
+static int __init init_32bit_el0_mask(void)
+{
+ if (!allow_mismatched_32bit_el0)
+ return 0;
+
+ if (!zalloc_cpumask_var(&cpu_32bit_el0_mask, GFP_KERNEL))
+ return -ENOMEM;
+
+ return cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
+ "arm64/mismatched_32bit_el0:online",
+ enable_mismatched_32bit_el0, NULL);
+}
+subsys_initcall_sync(init_32bit_el0_mask);
+
static bool __maybe_unused
cpufeature_pan_not_uao(const struct arm64_cpu_capabilities *entry, int __unused)
{
@@ -2841,14 +3066,28 @@ static int __init enable_mrs_emulation(void)
core_initcall(enable_mrs_emulation);
+enum mitigation_state arm64_get_meltdown_state(void)
+{
+ if (__meltdown_safe)
+ return SPECTRE_UNAFFECTED;
+
+ if (arm64_kernel_unmapped_at_el0())
+ return SPECTRE_MITIGATED;
+
+ return SPECTRE_VULNERABLE;
+}
+
ssize_t cpu_show_meltdown(struct device *dev, struct device_attribute *attr,
char *buf)
{
- if (__meltdown_safe)
+ switch (arm64_get_meltdown_state()) {
+ case SPECTRE_UNAFFECTED:
return sprintf(buf, "Not affected\n");
- if (arm64_kernel_unmapped_at_el0())
+ case SPECTRE_MITIGATED:
return sprintf(buf, "Mitigation: PTI\n");
- return sprintf(buf, "Vulnerable\n");
+ default:
+ return sprintf(buf, "Vulnerable\n");
+ }
}
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 77605ae..8ce3374 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -344,6 +344,32 @@ static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info)
pr_info("Detected %s I-cache on CPU%d\n", icache_policy_str[l1ip], cpu);
}
+static void __cpuinfo_store_cpu_32bit(struct cpuinfo_32bit *info)
+{
+ info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
+ info->reg_id_dfr1 = read_cpuid(ID_DFR1_EL1);
+ info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
+ info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
+ info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
+ info->reg_id_isar3 = read_cpuid(ID_ISAR3_EL1);
+ info->reg_id_isar4 = read_cpuid(ID_ISAR4_EL1);
+ info->reg_id_isar5 = read_cpuid(ID_ISAR5_EL1);
+ info->reg_id_isar6 = read_cpuid(ID_ISAR6_EL1);
+ info->reg_id_mmfr0 = read_cpuid(ID_MMFR0_EL1);
+ info->reg_id_mmfr1 = read_cpuid(ID_MMFR1_EL1);
+ info->reg_id_mmfr2 = read_cpuid(ID_MMFR2_EL1);
+ info->reg_id_mmfr3 = read_cpuid(ID_MMFR3_EL1);
+ info->reg_id_mmfr4 = read_cpuid(ID_MMFR4_EL1);
+ info->reg_id_mmfr5 = read_cpuid(ID_MMFR5_EL1);
+ info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
+ info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
+ info->reg_id_pfr2 = read_cpuid(ID_PFR2_EL1);
+
+ info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
+ info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
+ info->reg_mvfr2 = read_cpuid(MVFR2_EL1);
+}
+
static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
{
info->reg_cntfrq = arch_timer_get_cntfrq();
@@ -371,31 +397,8 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1);
info->reg_id_aa64zfr0 = read_cpuid(ID_AA64ZFR0_EL1);
- /* Update the 32bit ID registers only if AArch32 is implemented */
- if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
- info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
- info->reg_id_dfr1 = read_cpuid(ID_DFR1_EL1);
- info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
- info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
- info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
- info->reg_id_isar3 = read_cpuid(ID_ISAR3_EL1);
- info->reg_id_isar4 = read_cpuid(ID_ISAR4_EL1);
- info->reg_id_isar5 = read_cpuid(ID_ISAR5_EL1);
- info->reg_id_isar6 = read_cpuid(ID_ISAR6_EL1);
- info->reg_id_mmfr0 = read_cpuid(ID_MMFR0_EL1);
- info->reg_id_mmfr1 = read_cpuid(ID_MMFR1_EL1);
- info->reg_id_mmfr2 = read_cpuid(ID_MMFR2_EL1);
- info->reg_id_mmfr3 = read_cpuid(ID_MMFR3_EL1);
- info->reg_id_mmfr4 = read_cpuid(ID_MMFR4_EL1);
- info->reg_id_mmfr5 = read_cpuid(ID_MMFR5_EL1);
- info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
- info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
- info->reg_id_pfr2 = read_cpuid(ID_PFR2_EL1);
-
- info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
- info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
- info->reg_mvfr2 = read_cpuid(MVFR2_EL1);
- }
+ if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0))
+ __cpuinfo_store_cpu_32bit(&info->aarch32);
if (IS_ENABLED(CONFIG_ARM64_SVE) &&
id_aa64pfr0_sve(info->reg_id_aa64pfr0))
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index fa76151..852abc5 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -234,9 +234,8 @@ static void send_user_sigtrap(int si_code)
if (interrupts_enabled(regs))
local_irq_enable();
- arm64_force_sig_fault(SIGTRAP, si_code,
- (void __user *)instruction_pointer(regs),
- "User debug trap");
+ arm64_force_sig_fault(SIGTRAP, si_code, instruction_pointer(regs),
+ "User debug trap");
}
static int single_step_handler(unsigned long unused, unsigned int esr,
@@ -284,21 +283,25 @@ void register_user_break_hook(struct break_hook *hook)
{
register_debug_hook(&hook->node, &user_break_hook);
}
+EXPORT_SYMBOL_GPL(register_user_break_hook);
void unregister_user_break_hook(struct break_hook *hook)
{
unregister_debug_hook(&hook->node);
}
+EXPORT_SYMBOL_GPL(unregister_user_break_hook);
void register_kernel_break_hook(struct break_hook *hook)
{
register_debug_hook(&hook->node, &kernel_break_hook);
}
+EXPORT_SYMBOL_GPL(register_kernel_break_hook);
void unregister_kernel_break_hook(struct break_hook *hook)
{
unregister_debug_hook(&hook->node);
}
+EXPORT_SYMBOL_GPL(unregister_kernel_break_hook);
static int call_break_hook(struct pt_regs *regs, unsigned int esr)
{
diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c
index ec120ed..64cfe4a 100644
--- a/arch/arm64/kernel/entry-common.c
+++ b/arch/arm64/kernel/entry-common.c
@@ -37,6 +37,8 @@ static void noinstr enter_from_kernel_mode(struct pt_regs *regs)
lockdep_hardirqs_off(CALLER_ADDR0);
rcu_irq_enter_check_tick();
trace_hardirqs_off_finish();
+
+ mte_check_tfsr_entry();
}
/*
@@ -47,6 +49,8 @@ static void noinstr exit_to_kernel_mode(struct pt_regs *regs)
{
lockdep_assert_irqs_disabled();
+ mte_check_tfsr_exit();
+
if (interrupts_enabled(regs)) {
if (regs->exit_rcu) {
trace_hardirqs_on_prepare();
@@ -115,7 +119,6 @@ static void noinstr el1_abort(struct pt_regs *regs, unsigned long esr)
enter_from_kernel_mode(regs);
local_daif_inherit(regs);
- far = untagged_addr(far);
do_mem_abort(far, esr, regs);
local_daif_mask();
exit_to_kernel_mode(regs);
@@ -236,6 +239,8 @@ asmlinkage void noinstr enter_from_user_mode(void)
asmlinkage void noinstr exit_to_user_mode(void)
{
+ mte_check_tfsr_exit();
+
trace_hardirqs_on_prepare();
lockdep_hardirqs_on_prepare(CALLER_ADDR0);
user_enter_irqoff();
@@ -248,7 +253,6 @@ static void noinstr el0_da(struct pt_regs *regs, unsigned long esr)
enter_from_user_mode();
local_daif_restore(DAIF_PROCCTX);
- far = untagged_addr(far);
do_mem_abort(far, esr, regs);
}
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index fe83d6d..2dd3130 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -148,33 +148,72 @@
.endm
/* Check for MTE asynchronous tag check faults */
- .macro check_mte_async_tcf, tmp, ti_flags
+ .macro check_mte_async_tcf, tmp, ti_flags, thread_sctlr
#ifdef CONFIG_ARM64_MTE
.arch_extension lse
alternative_if_not ARM64_MTE
b 1f
alternative_else_nop_endif
+ /*
+ * Asynchronous tag check faults are only possible in ASYNC (2) or
+ * ASYM (3) modes. In each of these modes bit 1 of SCTLR_EL1.TCF0 is
+ * set, so skip the check if it is unset.
+ */
+ tbz \thread_sctlr, #(SCTLR_EL1_TCF0_SHIFT + 1), 1f
mrs_s \tmp, SYS_TFSRE0_EL1
tbz \tmp, #SYS_TFSR_EL1_TF0_SHIFT, 1f
/* Asynchronous TCF occurred for TTBR0 access, set the TI flag */
mov \tmp, #_TIF_MTE_ASYNC_FAULT
add \ti_flags, tsk, #TSK_TI_FLAGS
stset \tmp, [\ti_flags]
- msr_s SYS_TFSRE0_EL1, xzr
1:
#endif
.endm
/* Clear the MTE asynchronous tag check faults */
- .macro clear_mte_async_tcf
+ .macro clear_mte_async_tcf thread_sctlr
#ifdef CONFIG_ARM64_MTE
alternative_if ARM64_MTE
+ /* See comment in check_mte_async_tcf above. */
+ tbz \thread_sctlr, #(SCTLR_EL1_TCF0_SHIFT + 1), 1f
dsb ish
msr_s SYS_TFSRE0_EL1, xzr
+1:
alternative_else_nop_endif
#endif
.endm
+ .macro mte_set_gcr, mte_ctrl, tmp
+#ifdef CONFIG_ARM64_MTE
+ ubfx \tmp, \mte_ctrl, #MTE_CTRL_GCR_USER_EXCL_SHIFT, #16
+ orr \tmp, \tmp, #SYS_GCR_EL1_RRND
+ msr_s SYS_GCR_EL1, \tmp
+#endif
+ .endm
+
+ .macro mte_set_kernel_gcr, tmp, tmp2
+#ifdef CONFIG_KASAN_HW_TAGS
+alternative_cb kasan_hw_tags_enable
+ b 1f
+alternative_cb_end
+ mov \tmp, KERNEL_GCR_EL1
+ msr_s SYS_GCR_EL1, \tmp
+1:
+#endif
+ .endm
+
+ .macro mte_set_user_gcr, tsk, tmp, tmp2
+#ifdef CONFIG_KASAN_HW_TAGS
+alternative_cb kasan_hw_tags_enable
+ b 1f
+alternative_cb_end
+ ldr \tmp, [\tsk, #THREAD_MTE_CTRL]
+
+ mte_set_gcr \tmp, \tmp2
+1:
+#endif
+ .endm
+
.macro kernel_entry, el, regsize = 64
.if \regsize == 32
mov w0, w0 // zero upper 32 bits of x0
@@ -209,10 +248,47 @@
disable_step_tsk x19, x20
/* Check for asynchronous tag check faults in user space */
- check_mte_async_tcf x22, x23
+ ldr x0, [tsk, THREAD_SCTLR_USER]
+ check_mte_async_tcf x22, x23, x0
+
+#ifdef CONFIG_ARM64_PTR_AUTH
+alternative_if ARM64_HAS_ADDRESS_AUTH
+ /*
+ * Enable IA for in-kernel PAC if the task had it disabled. Although
+ * this could be implemented with an unconditional MRS which would avoid
+ * a load, this was measured to be slower on Cortex-A75 and Cortex-A76.
+ *
+ * Install the kernel IA key only if IA was enabled in the task. If IA
+ * was disabled on kernel exit then we would have left the kernel IA
+ * installed so there is no need to install it again.
+ */
+ tbz x0, SCTLR_ELx_ENIA_SHIFT, 1f
+ __ptrauth_keys_install_kernel_nosync tsk, x20, x22, x23
+ b 2f
+1:
+ mrs x0, sctlr_el1
+ orr x0, x0, SCTLR_ELx_ENIA
+ msr sctlr_el1, x0
+2:
+alternative_else_nop_endif
+#endif
+
apply_ssbd 1, x22, x23
- ptrauth_keys_install_kernel tsk, x20, x22, x23
+ mte_set_kernel_gcr x22, x23
+
+ /*
+ * Any non-self-synchronizing system register updates required for
+ * kernel entry should be placed before this point.
+ */
+alternative_if ARM64_MTE
+ isb
+ b 1f
+alternative_else_nop_endif
+alternative_if ARM64_HAS_ADDRESS_AUTH
+ isb
+alternative_else_nop_endif
+1:
scs_load tsk, x20
.else
@@ -328,8 +404,31 @@
3:
scs_save tsk, x0
- /* No kernel C function calls after this as user keys are set. */
- ptrauth_keys_install_user tsk, x0, x1, x2
+ /* Ignore asynchronous tag check faults in the uaccess routines */
+ ldr x0, [tsk, THREAD_SCTLR_USER]
+ clear_mte_async_tcf x0
+
+#ifdef CONFIG_ARM64_PTR_AUTH
+alternative_if ARM64_HAS_ADDRESS_AUTH
+ /*
+ * IA was enabled for in-kernel PAC. Disable it now if needed, or
+ * alternatively install the user's IA. All other per-task keys and
+ * SCTLR bits were updated on task switch.
+ *
+ * No kernel C function calls after this.
+ */
+ tbz x0, SCTLR_ELx_ENIA_SHIFT, 1f
+ __ptrauth_keys_install_user tsk, x0, x1, x2
+ b 2f
+1:
+ mrs x0, sctlr_el1
+ bic x0, x0, SCTLR_ELx_ENIA
+ msr sctlr_el1, x0
+2:
+alternative_else_nop_endif
+#endif
+
+ mte_set_user_gcr tsk, x0, x1
apply_ssbd 0, x0, x1
.endif
@@ -442,7 +541,7 @@
#ifdef CONFIG_SHADOW_CALL_STACK
/* also switch to the irq shadow stack */
- adr_this_cpu scs_sp, irq_shadow_call_stack, x26
+ ldr_this_cpu scs_sp, irq_shadow_call_stack_ptr, x26
#endif
9998:
@@ -743,8 +842,6 @@
cbnz x2, work_pending
finish_ret_to_user:
user_enter_irqoff
- /* Ignore asynchronous tag check faults in the uaccess routines */
- clear_mte_async_tcf
enable_step_tsk x19, x2
#ifdef CONFIG_GCC_PLUGIN_STACKLEAK
bl stackleak_erase
@@ -1062,9 +1159,9 @@
#ifdef CONFIG_SHADOW_CALL_STACK
/* Use a separate shadow call stack for normal and critical events */
cbnz w4, 3f
- adr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_normal, tmp=x6
+ ldr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_normal_ptr, tmp=x6
b 4f
-3: adr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_critical, tmp=x6
+3: ldr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_critical_ptr, tmp=x6
4:
#endif
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index a9bbfb8..5335a6b 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -180,7 +180,7 @@ static void __get_cpu_fpsimd_context(void)
*/
static void get_cpu_fpsimd_context(void)
{
- preempt_disable();
+ local_bh_disable();
__get_cpu_fpsimd_context();
}
@@ -201,7 +201,7 @@ static void __put_cpu_fpsimd_context(void)
static void put_cpu_fpsimd_context(void)
{
__put_cpu_fpsimd_context();
- preempt_enable();
+ local_bh_enable();
}
static bool have_cpu_fpsimd_context(void)
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index f9119ee..047eac4 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -11,7 +11,6 @@
#include <linux/linkage.h>
#include <linux/init.h>
-#include <linux/irqchip/arm-gic-v3.h>
#include <linux/pgtable.h>
#include <asm/asm_pointer_auth.h>
@@ -21,6 +20,7 @@
#include <asm/asm-offsets.h>
#include <asm/cache.h>
#include <asm/cputype.h>
+#include <asm/el2_setup.h>
#include <asm/elf.h>
#include <asm/image.h>
#include <asm/kernel-pgtable.h>
@@ -104,7 +104,7 @@
*/
SYM_CODE_START(primary_entry)
bl preserve_boot_args
- bl el2_setup // Drop to EL1, w0=cpu_boot_mode
+ bl init_kernel_el // w0=cpu_boot_mode
adrp x23, __PHYS_OFFSET
and x23, x23, MIN_KIMG_ALIGN - 1 // KASLR offset, defaults to 0
bl set_cpu_boot_mode_flag
@@ -420,10 +420,6 @@
adr_l x5, init_task
msr sp_el0, x5 // Save thread_info
-#ifdef CONFIG_ARM64_PTR_AUTH
- __ptrauth_keys_init_cpu x5, x6, x7, x8
-#endif
-
adr_l x8, vectors // load VBAR_EL1 with virtual
msr vbar_el1, x8 // vector table address
isb
@@ -449,13 +445,15 @@
bl __pi_memset
dsb ishst // Make zero page visible to PTW
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
bl kasan_early_init
#endif
+ mov x0, x21 // pass FDT address in x0
+ bl early_fdt_map // Try mapping the FDT early
+ bl init_feature_override // Parse cpu feature overrides
#ifdef CONFIG_RANDOMIZE_BASE
tst x23, ~(MIN_KIMG_ALIGN - 1) // already running randomized?
b.ne 0f
- mov x0, x21 // pass FDT address in x0
bl kaslr_early_init // parse FDT for KASLR options
cbz x0, 0f // KASLR disabled? just proceed
orr x23, x23, x0 // record KASLR offset
@@ -463,6 +461,7 @@
ret // to __primary_switch()
0:
#endif
+ bl switch_to_vhe // Prefer VHE if possible
add sp, sp, #16
mov x29, #0
mov x30, #0
@@ -483,174 +482,48 @@
.section ".idmap.text","awx"
/*
- * If we're fortunate enough to boot at EL2, ensure that the world is
- * sane before dropping to EL1.
+ * Starting from EL2 or EL1, configure the CPU to execute at the highest
+ * reachable EL supported by the kernel in a chosen default state. If dropping
+ * from EL2 to EL1, configure EL2 before configuring EL1.
+ *
+ * Since we cannot always rely on ERET synchronizing writes to sysregs (e.g. if
+ * SCTLR_ELx.EOS is clear), we place an ISB prior to ERET.
*
* Returns either BOOT_CPU_MODE_EL1 or BOOT_CPU_MODE_EL2 in w0 if
* booted in EL1 or EL2 respectively.
*/
-SYM_FUNC_START(el2_setup)
- msr SPsel, #1 // We want to use SP_EL{1,2}
+SYM_FUNC_START(init_kernel_el)
+ mov_q x0, INIT_SCTLR_EL1_MMU_OFF
+ msr sctlr_el1, x0
+
mrs x0, CurrentEL
cmp x0, #CurrentEL_EL2
- b.eq 1f
- mov_q x0, (SCTLR_EL1_RES1 | ENDIAN_SET_EL1)
- msr sctlr_el1, x0
- mov w0, #BOOT_CPU_MODE_EL1 // This cpu booted in EL1
+ b.eq init_el2
+
+SYM_INNER_LABEL(init_el1, SYM_L_LOCAL)
isb
- ret
+ mov_q x0, INIT_PSTATE_EL1
+ msr spsr_el1, x0
+ msr elr_el1, lr
+ mov w0, #BOOT_CPU_MODE_EL1
+ eret
-1: mov_q x0, (SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
- msr sctlr_el2, x0
-
-#ifdef CONFIG_ARM64_VHE
- /*
- * Check for VHE being present. For the rest of the EL2 setup,
- * x2 being non-zero indicates that we do have VHE, and that the
- * kernel is intended to run at EL2.
- */
- mrs x2, id_aa64mmfr1_el1
- ubfx x2, x2, #ID_AA64MMFR1_VHE_SHIFT, #4
-#else
- mov x2, xzr
-#endif
-
- /* Hyp configuration. */
+SYM_INNER_LABEL(init_el2, SYM_L_LOCAL)
mov_q x0, HCR_HOST_NVHE_FLAGS
- cbz x2, set_hcr
- mov_q x0, HCR_HOST_VHE_FLAGS
-set_hcr:
msr hcr_el2, x0
isb
- /*
- * Allow Non-secure EL1 and EL0 to access physical timer and counter.
- * This is not necessary for VHE, since the host kernel runs in EL2,
- * and EL0 accesses are configured in the later stage of boot process.
- * Note that when HCR_EL2.E2H == 1, CNTHCTL_EL2 has the same bit layout
- * as CNTKCTL_EL1, and CNTKCTL_EL1 accessing instructions are redefined
- * to access CNTHCTL_EL2. This allows the kernel designed to run at EL1
- * to transparently mess with the EL0 bits via CNTKCTL_EL1 access in
- * EL2.
- */
- cbnz x2, 1f
- mrs x0, cnthctl_el2
- orr x0, x0, #3 // Enable EL1 physical timers
- msr cnthctl_el2, x0
-1:
- msr cntvoff_el2, xzr // Clear virtual offset
-
-#ifdef CONFIG_ARM_GIC_V3
- /* GICv3 system register access */
- mrs x0, id_aa64pfr0_el1
- ubfx x0, x0, #ID_AA64PFR0_GIC_SHIFT, #4
- cbz x0, 3f
-
- mrs_s x0, SYS_ICC_SRE_EL2
- orr x0, x0, #ICC_SRE_EL2_SRE // Set ICC_SRE_EL2.SRE==1
- orr x0, x0, #ICC_SRE_EL2_ENABLE // Set ICC_SRE_EL2.Enable==1
- msr_s SYS_ICC_SRE_EL2, x0
- isb // Make sure SRE is now set
- mrs_s x0, SYS_ICC_SRE_EL2 // Read SRE back,
- tbz x0, #0, 3f // and check that it sticks
- msr_s SYS_ICH_HCR_EL2, xzr // Reset ICC_HCR_EL2 to defaults
-
-3:
-#endif
-
- /* Populate ID registers. */
- mrs x0, midr_el1
- mrs x1, mpidr_el1
- msr vpidr_el2, x0
- msr vmpidr_el2, x1
-
-#ifdef CONFIG_COMPAT
- msr hstr_el2, xzr // Disable CP15 traps to EL2
-#endif
-
- /* EL2 debug */
- mrs x1, id_aa64dfr0_el1
- sbfx x0, x1, #ID_AA64DFR0_PMUVER_SHIFT, #4
- cmp x0, #1
- b.lt 4f // Skip if no PMU present
- mrs x0, pmcr_el0 // Disable debug access traps
- ubfx x0, x0, #11, #5 // to EL2 and allow access to
-4:
- csel x3, xzr, x0, lt // all PMU counters from EL1
-
- /* Statistical profiling */
- ubfx x0, x1, #ID_AA64DFR0_PMSVER_SHIFT, #4
- cbz x0, 7f // Skip if SPE not present
- cbnz x2, 6f // VHE?
- mrs_s x4, SYS_PMBIDR_EL1 // If SPE available at EL2,
- and x4, x4, #(1 << SYS_PMBIDR_EL1_P_SHIFT)
- cbnz x4, 5f // then permit sampling of physical
- mov x4, #(1 << SYS_PMSCR_EL2_PCT_SHIFT | \
- 1 << SYS_PMSCR_EL2_PA_SHIFT)
- msr_s SYS_PMSCR_EL2, x4 // addresses and physical counter
-5:
- mov x1, #(MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT)
- orr x3, x3, x1 // If we don't have VHE, then
- b 7f // use EL1&0 translation.
-6: // For VHE, use EL2 translation
- orr x3, x3, #MDCR_EL2_TPMS // and disable access from EL1
-7:
- msr mdcr_el2, x3 // Configure debug traps
-
- /* LORegions */
- mrs x1, id_aa64mmfr1_el1
- ubfx x0, x1, #ID_AA64MMFR1_LOR_SHIFT, 4
- cbz x0, 1f
- msr_s SYS_LORC_EL1, xzr
-1:
-
- /* Stage-2 translation */
- msr vttbr_el2, xzr
-
- cbz x2, install_el2_stub
-
- mov w0, #BOOT_CPU_MODE_EL2 // This CPU booted in EL2
- isb
- ret
-
-SYM_INNER_LABEL(install_el2_stub, SYM_L_LOCAL)
- /*
- * When VHE is not in use, early init of EL2 and EL1 needs to be
- * done here.
- * When VHE _is_ in use, EL1 will not be used in the host and
- * requires no configuration, and all non-hyp-specific EL2 setup
- * will be done via the _EL1 system register aliases in __cpu_setup.
- */
- mov_q x0, (SCTLR_EL1_RES1 | ENDIAN_SET_EL1)
- msr sctlr_el1, x0
-
- /* Coprocessor traps. */
- mov x0, #0x33ff
- msr cptr_el2, x0 // Disable copro. traps to EL2
-
- /* SVE register access */
- mrs x1, id_aa64pfr0_el1
- ubfx x1, x1, #ID_AA64PFR0_SVE_SHIFT, #4
- cbz x1, 7f
-
- bic x0, x0, #CPTR_EL2_TZ // Also disable SVE traps
- msr cptr_el2, x0 // Disable copro. traps to EL2
- isb
- mov x1, #ZCR_ELx_LEN_MASK // SVE: Enable full vector
- msr_s SYS_ZCR_EL2, x1 // length for EL1.
+ init_el2_state
/* Hypervisor stub */
-7: adr_l x0, __hyp_stub_vectors
+ adr_l x0, __hyp_stub_vectors
msr vbar_el2, x0
+ isb
- /* spsr */
- mov x0, #(PSR_F_BIT | PSR_I_BIT | PSR_A_BIT | PSR_D_BIT |\
- PSR_MODE_EL1h)
- msr spsr_el2, x0
msr elr_el2, lr
- mov w0, #BOOT_CPU_MODE_EL2 // This CPU booted in EL2
+ mov w0, #BOOT_CPU_MODE_EL2
eret
-SYM_FUNC_END(el2_setup)
+SYM_FUNC_END(init_kernel_el)
/*
* Sets the __boot_cpu_mode flag depending on the CPU boot mode passed
@@ -700,7 +573,7 @@
* cores are held until we're ready for them to initialise.
*/
SYM_FUNC_START(secondary_holding_pen)
- bl el2_setup // Drop to EL1, w0=cpu_boot_mode
+ bl init_kernel_el // w0=cpu_boot_mode
bl set_cpu_boot_mode_flag
mrs x0, mpidr_el1
mov_q x1, MPIDR_HWID_BITMASK
@@ -718,7 +591,7 @@
* be used where CPUs are brought online dynamically by the kernel.
*/
SYM_FUNC_START(secondary_entry)
- bl el2_setup // Drop to EL1
+ bl init_kernel_el // w0=cpu_boot_mode
bl set_cpu_boot_mode_flag
b secondary_startup
SYM_FUNC_END(secondary_entry)
@@ -727,6 +600,7 @@
/*
* Common entry point for secondary CPUs.
*/
+ bl switch_to_vhe
bl __cpu_secondary_check52bitva
bl __cpu_setup // initialise processor
adrp x1, swapper_pg_dir
@@ -807,16 +681,9 @@
offset_ttbr1 x1, x3
msr ttbr1_el1, x1 // load TTBR1
isb
- msr sctlr_el1, x0
- isb
- /*
- * Invalidate the local I-cache so that any instructions fetched
- * speculatively from the PoC are discarded, since they may have
- * been dynamically patched at the PoU.
- */
- ic iallu
- dsb nsh
- isb
+
+ set_sctlr_el1 x0
+
ret
SYM_FUNC_END(__enable_mmu)
@@ -988,11 +855,7 @@
dsb nsh
isb
- msr sctlr_el1, x19 // re-enable the MMU
- isb
- ic iallu // flush instructions fetched
- dsb nsh // via old mapping
- isb
+ set_sctlr_el1 x19 // re-enable the MMU
bl __relocate_kernel
#endif
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index 4200377..9c9f47e 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -371,6 +371,11 @@ static void swsusp_mte_restore_tags(void)
unsigned long pfn = xa_state.xa_index;
struct page *page = pfn_to_online_page(pfn);
+ /*
+ * It is not required to invoke page_kasan_tag_reset(page)
+ * at this point since the tags stored in page->flags are
+ * already restored.
+ */
mte_restore_page_tags(page_address(page), tags);
mte_free_tag_storage(tags);
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S
index 160f588..05d25e6 100644
--- a/arch/arm64/kernel/hyp-stub.S
+++ b/arch/arm64/kernel/hyp-stub.S
@@ -8,9 +8,9 @@
#include <linux/init.h>
#include <linux/linkage.h>
-#include <linux/irqchip/arm-gic-v3.h>
#include <asm/assembler.h>
+#include <asm/el2_setup.h>
#include <asm/kvm_arm.h>
#include <asm/kvm_asm.h>
#include <asm/ptrace.h>
@@ -47,10 +47,13 @@
SYM_CODE_START_LOCAL(el1_sync)
cmp x0, #HVC_SET_VECTORS
- b.ne 2f
+ b.ne 1f
msr vbar_el2, x1
b 9f
+1: cmp x0, #HVC_VHE_RESTART
+ b.eq mutate_to_vhe
+
2: cmp x0, #HVC_SOFT_RESTART
b.ne 3f
mov x0, x2
@@ -70,6 +73,103 @@
eret
SYM_CODE_END(el1_sync)
+// nVHE? No way! Give me the real thing!
+SYM_CODE_START_LOCAL(mutate_to_vhe)
+ // Sanity check: MMU *must* be off
+ mrs x1, sctlr_el2
+ tbnz x1, #0, 1f
+
+ // Needs to be VHE capable, obviously
+ mrs x1, id_aa64mmfr1_el1
+ ubfx x1, x1, #ID_AA64MMFR1_VHE_SHIFT, #4
+ cbz x1, 1f
+
+ // Check whether VHE is disabled from the command line
+ adr_l x1, id_aa64mmfr1_override
+ ldr x2, [x1, FTR_OVR_VAL_OFFSET]
+ ldr x1, [x1, FTR_OVR_MASK_OFFSET]
+ ubfx x2, x2, #ID_AA64MMFR1_VHE_SHIFT, #4
+ ubfx x1, x1, #ID_AA64MMFR1_VHE_SHIFT, #4
+ cmp x1, xzr
+ and x2, x2, x1
+ csinv x2, x2, xzr, ne
+ cbnz x2, 2f
+
+1: mov_q x0, HVC_STUB_ERR
+ eret
+2:
+ // Engage the VHE magic!
+ mov_q x0, HCR_HOST_VHE_FLAGS
+ msr hcr_el2, x0
+ isb
+
+ // Use the EL1 allocated stack, per-cpu offset
+ mrs x0, sp_el1
+ mov sp, x0
+ mrs x0, tpidr_el1
+ msr tpidr_el2, x0
+
+ // FP configuration, vectors
+ mrs_s x0, SYS_CPACR_EL12
+ msr cpacr_el1, x0
+ mrs_s x0, SYS_VBAR_EL12
+ msr vbar_el1, x0
+
+ // Use EL2 translations for SPE & TRBE and disable access from EL1
+ mrs x0, mdcr_el2
+ bic x0, x0, #(MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT)
+ bic x0, x0, #(MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT)
+ msr mdcr_el2, x0
+
+ // Transfer the MM state from EL1 to EL2
+ mrs_s x0, SYS_TCR_EL12
+ msr tcr_el1, x0
+ mrs_s x0, SYS_TTBR0_EL12
+ msr ttbr0_el1, x0
+ mrs_s x0, SYS_TTBR1_EL12
+ msr ttbr1_el1, x0
+ mrs_s x0, SYS_MAIR_EL12
+ msr mair_el1, x0
+ isb
+
+ // Hack the exception return to stay at EL2
+ mrs x0, spsr_el1
+ and x0, x0, #~PSR_MODE_MASK
+ mov x1, #PSR_MODE_EL2h
+ orr x0, x0, x1
+ msr spsr_el1, x0
+
+ b enter_vhe
+SYM_CODE_END(mutate_to_vhe)
+
+ // At the point where we reach enter_vhe(), we run with
+ // the MMU off (which is enforced by mutate_to_vhe()).
+ // We thus need to be in the idmap, or everything will
+ // explode when enabling the MMU.
+
+ .pushsection .idmap.text, "ax"
+
+SYM_CODE_START_LOCAL(enter_vhe)
+ // Invalidate TLBs before enabling the MMU
+ tlbi vmalle1
+ dsb nsh
+ isb
+
+ // Enable the EL2 S1 MMU, as set up from EL1
+ mrs_s x0, SYS_SCTLR_EL12
+ set_sctlr_el1 x0
+
+ // Disable the EL1 S1 MMU for a good measure
+ mov_q x0, INIT_SCTLR_EL1_MMU_OFF
+ msr_s SYS_SCTLR_EL12, x0
+
+ mov x0, xzr
+
+ eret
+SYM_CODE_END(enter_vhe)
+
+ .popsection
+
.macro invalid_vector label
SYM_CODE_START_LOCAL(\label)
b \label
@@ -85,6 +185,8 @@
invalid_vector el1_fiq_invalid
invalid_vector el1_error_invalid
+ .popsection
+
/*
* __hyp_set_vectors: Call this after boot to set the initial hypervisor
* vectors as part of hypervisor installation. On an SMP system, this should
@@ -118,3 +220,27 @@
hvc #0
ret
SYM_FUNC_END(__hyp_reset_vectors)
+
+/*
+ * Entry point to switch to VHE if deemed capable
+ */
+SYM_FUNC_START(switch_to_vhe)
+#ifdef CONFIG_ARM64_VHE
+ // Need to have booted at EL2
+ adr_l x1, __boot_cpu_mode
+ ldr w0, [x1]
+ cmp w0, #BOOT_CPU_MODE_EL2
+ b.ne 1f
+
+ // and still be at EL1
+ mrs x0, CurrentEL
+ cmp x0, #CurrentEL_EL1
+ b.ne 1f
+
+ // Turn the world upside down
+ mov x0, #HVC_VHE_RESTART
+ hvc #0
+1:
+#endif
+ ret
+SYM_FUNC_END(switch_to_vhe)
diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c
new file mode 100644
index 0000000..81b7ecb
--- /dev/null
+++ b/arch/arm64/kernel/idreg-override.c
@@ -0,0 +1,224 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Early cpufeature override framework
+ *
+ * Copyright (C) 2020 Google LLC
+ * Author: Marc Zyngier <maz@kernel.org>
+ */
+
+#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/libfdt.h>
+
+#include <asm/cacheflush.h>
+#include <asm/cpufeature.h>
+#include <asm/setup.h>
+
+#define FTR_DESC_NAME_LEN 20
+#define FTR_DESC_FIELD_LEN 10
+#define FTR_ALIAS_NAME_LEN 30
+#define FTR_ALIAS_OPTION_LEN 80
+
+struct ftr_set_desc {
+ char name[FTR_DESC_NAME_LEN];
+ struct arm64_ftr_override *override;
+ struct {
+ char name[FTR_DESC_FIELD_LEN];
+ u8 shift;
+ } fields[];
+};
+
+static const struct ftr_set_desc mmfr1 __initconst = {
+ .name = "id_aa64mmfr1",
+ .override = &id_aa64mmfr1_override,
+ .fields = {
+ { "vh", ID_AA64MMFR1_VHE_SHIFT },
+ {}
+ },
+};
+
+static const struct ftr_set_desc pfr1 __initconst = {
+ .name = "id_aa64pfr1",
+ .override = &id_aa64pfr1_override,
+ .fields = {
+ { "bt", ID_AA64PFR1_BT_SHIFT },
+ { "mte", ID_AA64PFR1_MTE_SHIFT},
+ {}
+ },
+};
+
+static const struct ftr_set_desc isar1 __initconst = {
+ .name = "id_aa64isar1",
+ .override = &id_aa64isar1_override,
+ .fields = {
+ { "gpi", ID_AA64ISAR1_GPI_SHIFT },
+ { "gpa", ID_AA64ISAR1_GPA_SHIFT },
+ { "api", ID_AA64ISAR1_API_SHIFT },
+ { "apa", ID_AA64ISAR1_APA_SHIFT },
+ {}
+ },
+};
+
+extern struct arm64_ftr_override kaslr_feature_override;
+
+static const struct ftr_set_desc kaslr __initconst = {
+ .name = "kaslr",
+#ifdef CONFIG_RANDOMIZE_BASE
+ .override = &kaslr_feature_override,
+#endif
+ .fields = {
+ { "disabled", 0 },
+ {}
+ },
+};
+
+static const struct ftr_set_desc * const regs[] __initconst = {
+ &mmfr1,
+ &pfr1,
+ &isar1,
+ &kaslr,
+};
+
+static const struct {
+ char alias[FTR_ALIAS_NAME_LEN];
+ char feature[FTR_ALIAS_OPTION_LEN];
+} aliases[] __initconst = {
+ { "kvm-arm.mode=nvhe", "id_aa64mmfr1.vh=0" },
+ { "kvm-arm.mode=protected", "id_aa64mmfr1.vh=0" },
+ { "arm64.nobti", "id_aa64pfr1.bt=0" },
+ { "arm64.nopauth",
+ "id_aa64isar1.gpi=0 id_aa64isar1.gpa=0 "
+ "id_aa64isar1.api=0 id_aa64isar1.apa=0" },
+ { "arm64.nomte", "id_aa64pfr1.mte=0" },
+ { "nokaslr", "kaslr.disabled=1" },
+};
+
+static int __init find_field(const char *cmdline,
+ const struct ftr_set_desc *reg, int f, u64 *v)
+{
+ char opt[FTR_DESC_NAME_LEN + FTR_DESC_FIELD_LEN + 2];
+ int len;
+
+ len = snprintf(opt, ARRAY_SIZE(opt), "%s.%s=",
+ reg->name, reg->fields[f].name);
+
+ if (!parameqn(cmdline, opt, len))
+ return -1;
+
+ return kstrtou64(cmdline + len, 0, v);
+}
+
+static void __init match_options(const char *cmdline)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++) {
+ int f;
+
+ if (!regs[i]->override)
+ continue;
+
+ for (f = 0; strlen(regs[i]->fields[f].name); f++) {
+ u64 shift = regs[i]->fields[f].shift;
+ u64 mask = 0xfUL << shift;
+ u64 v;
+
+ if (find_field(cmdline, regs[i], f, &v))
+ continue;
+
+ regs[i]->override->val &= ~mask;
+ regs[i]->override->val |= (v << shift) & mask;
+ regs[i]->override->mask |= mask;
+
+ return;
+ }
+ }
+}
+
+static __init void __parse_cmdline(const char *cmdline, bool parse_aliases)
+{
+ do {
+ char buf[256];
+ size_t len;
+ int i;
+
+ cmdline = skip_spaces(cmdline);
+
+ for (len = 0; cmdline[len] && !isspace(cmdline[len]); len++);
+ if (!len)
+ return;
+
+ len = min(len, ARRAY_SIZE(buf) - 1);
+ strncpy(buf, cmdline, len);
+ buf[len] = 0;
+
+ if (strcmp(buf, "--") == 0)
+ return;
+
+ cmdline += len;
+
+ match_options(buf);
+
+ for (i = 0; parse_aliases && i < ARRAY_SIZE(aliases); i++)
+ if (parameq(buf, aliases[i].alias))
+ __parse_cmdline(aliases[i].feature, false);
+ } while (1);
+}
+
+static __init const u8 *get_bootargs_cmdline(void)
+{
+ const u8 *prop;
+ void *fdt;
+ int node;
+
+ fdt = get_early_fdt_ptr();
+ if (!fdt)
+ return NULL;
+
+ node = fdt_path_offset(fdt, "/chosen");
+ if (node < 0)
+ return NULL;
+
+ prop = fdt_getprop(fdt, node, "bootargs", NULL);
+ if (!prop)
+ return NULL;
+
+ return strlen(prop) ? prop : NULL;
+}
+
+static __init void parse_cmdline(void)
+{
+ const u8 *prop = get_bootargs_cmdline();
+
+ if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) ||
+ IS_ENABLED(CONFIG_CMDLINE_FORCE) ||
+ !prop) {
+ __parse_cmdline(CONFIG_CMDLINE, true);
+ }
+
+ if (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && prop)
+ __parse_cmdline(prop, true);
+}
+
+/* Keep checkers quiet */
+void init_feature_override(void);
+
+asmlinkage void __init init_feature_override(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++) {
+ if (regs[i]->override) {
+ regs[i]->override->val = 0;
+ regs[i]->override->mask = 0;
+ }
+ }
+
+ parse_cmdline();
+
+ for (i = 0; i < ARRAY_SIZE(regs); i++) {
+ if (regs[i]->override)
+ __flush_dcache_area(regs[i]->override,
+ sizeof(*regs[i]->override));
+ }
+}
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index c615b28..fdd60cd 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -37,7 +37,7 @@ __efistub_strncmp = __pi_strncmp;
__efistub_strrchr = __pi_strrchr;
__efistub___clean_dcache_area_poc = __pi___clean_dcache_area_poc;
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
__efistub___memcpy = __pi_memcpy;
__efistub___memmove = __pi_memmove;
__efistub___memset = __pi_memset;
@@ -64,13 +64,12 @@ __efistub__ctype = _ctype;
/* Alternative callbacks for init-time patching of nVHE hyp code. */
KVM_NVHE_ALIAS(kvm_patch_vector_branch);
KVM_NVHE_ALIAS(kvm_update_va_mask);
+KVM_NVHE_ALIAS(kvm_get_kimage_voffset);
+KVM_NVHE_ALIAS(kvm_compute_final_ctr_el0);
/* Global kernel state accessed by nVHE hyp code. */
KVM_NVHE_ALIAS(kvm_vgic_global_state);
-/* Kernel constant needed to compute idmap addresses. */
-KVM_NVHE_ALIAS(kimage_voffset);
-
/* Kernel symbols used to call panic() from nVHE hyp code (via ERET). */
KVM_NVHE_ALIAS(__hyp_panic_string);
KVM_NVHE_ALIAS(panic);
@@ -78,9 +77,6 @@ KVM_NVHE_ALIAS(panic);
/* Vectors installed by hyp-init on reset HVC. */
KVM_NVHE_ALIAS(__hyp_stub_vectors);
-/* IDMAP TCR_EL1.T0SZ as computed by the EL1 init code */
-KVM_NVHE_ALIAS(idmap_t0sz);
-
/* Kernel symbol used by icache_is_vpipt(). */
KVM_NVHE_ALIAS(__icache_flags);
@@ -103,6 +99,42 @@ KVM_NVHE_ALIAS(gic_nonsecure_priorities);
KVM_NVHE_ALIAS(__start___kvm_ex_table);
KVM_NVHE_ALIAS(__stop___kvm_ex_table);
+/* Array containing bases of nVHE per-CPU memory regions. */
+KVM_NVHE_ALIAS(kvm_arm_hyp_percpu_base);
+
+/* PMU available static key */
+KVM_NVHE_ALIAS(kvm_arm_pmu_available);
+
+/* Position-independent library routines */
+KVM_NVHE_ALIAS_HYP(clear_page, __pi_clear_page);
+KVM_NVHE_ALIAS_HYP(copy_page, __pi_copy_page);
+KVM_NVHE_ALIAS_HYP(memcpy, __pi_memcpy);
+KVM_NVHE_ALIAS_HYP(memset, __pi_memset);
+
+#ifdef CONFIG_KASAN
+KVM_NVHE_ALIAS_HYP(__memcpy, __pi_memcpy);
+KVM_NVHE_ALIAS_HYP(__memset, __pi_memset);
+#endif
+
+/* Kernel memory sections */
+KVM_NVHE_ALIAS(__start_rodata);
+KVM_NVHE_ALIAS(__end_rodata);
+KVM_NVHE_ALIAS(__bss_start);
+KVM_NVHE_ALIAS(__bss_stop);
+
+/* Hyp memory sections */
+KVM_NVHE_ALIAS(__hyp_idmap_text_start);
+KVM_NVHE_ALIAS(__hyp_idmap_text_end);
+KVM_NVHE_ALIAS(__hyp_text_start);
+KVM_NVHE_ALIAS(__hyp_text_end);
+KVM_NVHE_ALIAS(__hyp_bss_start);
+KVM_NVHE_ALIAS(__hyp_bss_end);
+KVM_NVHE_ALIAS(__hyp_rodata_start);
+KVM_NVHE_ALIAS(__hyp_rodata_end);
+
+/* pKVM static key */
+KVM_NVHE_ALIAS(kvm_protected_mode_initialized);
+
#endif /* CONFIG_KVM */
#endif /* __ARM64_KERNEL_IMAGE_VARS_H */
diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c
index 60456a6..dfb1fea 100644
--- a/arch/arm64/kernel/irq.c
+++ b/arch/arm64/kernel/irq.c
@@ -17,6 +17,7 @@
#include <linux/init.h>
#include <linux/irqchip.h>
#include <linux/kprobes.h>
+#include <linux/scs.h>
#include <linux/seq_file.h>
#include <linux/vmalloc.h>
#include <asm/daifflags.h>
@@ -27,6 +28,25 @@ DEFINE_PER_CPU(struct nmi_ctx, nmi_contexts);
DEFINE_PER_CPU(unsigned long *, irq_stack_ptr);
+
+DECLARE_PER_CPU(unsigned long *, irq_shadow_call_stack_ptr);
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+DEFINE_PER_CPU(unsigned long *, irq_shadow_call_stack_ptr);
+#endif
+
+static void init_irq_scs(void)
+{
+ int cpu;
+
+ if (!IS_ENABLED(CONFIG_SHADOW_CALL_STACK))
+ return;
+
+ for_each_possible_cpu(cpu)
+ per_cpu(irq_shadow_call_stack_ptr, cpu) =
+ scs_alloc(cpu_to_node(cpu));
+}
+
#ifdef CONFIG_VMAP_STACK
static void init_irq_stacks(void)
{
@@ -54,6 +74,7 @@ static void init_irq_stacks(void)
void __init init_IRQ(void)
{
init_irq_stacks();
+ init_irq_scs();
irqchip_init();
if (!handle_arch_irq)
panic("No interrupt controller found.");
diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c
index b181e05..341342b 100644
--- a/arch/arm64/kernel/kaslr.c
+++ b/arch/arm64/kernel/kaslr.c
@@ -19,6 +19,7 @@
#include <asm/memory.h>
#include <asm/mmu.h>
#include <asm/sections.h>
+#include <asm/setup.h>
enum kaslr_status {
KASLR_ENABLED,
@@ -50,26 +51,7 @@ static __init u64 get_kaslr_seed(void *fdt)
return ret;
}
-static __init const u8 *kaslr_get_cmdline(void *fdt)
-{
- static __initconst const u8 default_cmdline[] = CONFIG_CMDLINE;
-
- if (!IS_ENABLED(CONFIG_CMDLINE_FORCE)) {
- int node;
- const u8 *prop;
-
- node = fdt_path_offset(fdt, "/chosen");
- if (node < 0)
- goto out;
-
- prop = fdt_getprop(fdt, node, "bootargs", NULL);
- if (!prop)
- goto out;
- return prop;
- }
-out:
- return default_cmdline;
-}
+struct arm64_ftr_override kaslr_feature_override __initdata;
/*
* This routine will be executed with the kernel mapped at its default virtual
@@ -79,13 +61,11 @@ static __init const u8 *kaslr_get_cmdline(void *fdt)
* containing function pointers) to be reinitialized, and zero-initialized
* .bss variables will be reset to 0.
*/
-u64 __init kaslr_early_init(u64 dt_phys)
+u64 __init kaslr_early_init(void)
{
void *fdt;
u64 seed, offset, mask, module_range;
- const u8 *cmdline, *str;
unsigned long raw;
- int size;
/*
* Set a reasonable default for module_alloc_base in case
@@ -99,8 +79,7 @@ u64 __init kaslr_early_init(u64 dt_phys)
* and proceed with KASLR disabled. We will make another
* attempt at mapping the FDT in setup_machine()
*/
- early_fixmap_init();
- fdt = fixmap_remap_fdt(dt_phys, &size, PAGE_KERNEL);
+ fdt = get_early_fdt_ptr();
if (!fdt) {
kaslr_status = KASLR_DISABLED_FDT_REMAP;
return 0;
@@ -115,9 +94,7 @@ u64 __init kaslr_early_init(u64 dt_phys)
* Check if 'nokaslr' appears on the command line, and
* return 0 if that is the case.
*/
- cmdline = kaslr_get_cmdline(fdt);
- str = strstr(cmdline, "nokaslr");
- if (str == cmdline || (str > cmdline && *(str - 1) == ' ')) {
+ if (kaslr_feature_override.val & kaslr_feature_override.mask & 0xf) {
kaslr_status = KASLR_DISABLED_CMDLINE;
return 0;
}
@@ -151,14 +128,17 @@ u64 __init kaslr_early_init(u64 dt_phys)
/* use the top 16 bits to randomize the linear region */
memstart_offset_seed = seed >> 48;
- if (IS_ENABLED(CONFIG_KASAN))
+ if (!IS_ENABLED(CONFIG_KASAN_VMALLOC) &&
+ (IS_ENABLED(CONFIG_KASAN_GENERIC) ||
+ IS_ENABLED(CONFIG_KASAN_SW_TAGS)))
/*
- * KASAN does not expect the module region to intersect the
- * vmalloc region, since shadow memory is allocated for each
- * module at load time, whereas the vmalloc region is shadowed
- * by KASAN zero pages. So keep modules out of the vmalloc
- * region if KASAN is enabled, and put the kernel well within
- * 4 GB of the module region.
+ * KASAN without KASAN_VMALLOC does not expect the module region
+ * to intersect the vmalloc region, since shadow memory is
+ * allocated for each module at load time, whereas the vmalloc
+ * region is shadowed by KASAN zero pages. So keep modules
+ * out of the vmalloc region if KASAN is enabled without
+ * KASAN_VMALLOC, and put the kernel well within 4 GB of the
+ * module region.
*/
return offset % SZ_2G;
diff --git a/arch/arm64/kernel/module-plts.c b/arch/arm64/kernel/module-plts.c
index 2e22443..cee0781 100644
--- a/arch/arm64/kernel/module-plts.c
+++ b/arch/arm64/kernel/module-plts.c
@@ -7,6 +7,7 @@
#include <linux/ftrace.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/sort.h>
static struct plt_entry __get_adrp_add_pair(u64 dst, u64 pc,
@@ -290,6 +291,7 @@ static int partition_branch_plt_relas(Elf64_Sym *syms, Elf64_Rela *rela,
int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
char *secstrings, struct module *mod)
{
+ bool copy_rela_for_fips140 = false;
unsigned long core_plts = 0;
unsigned long init_plts = 0;
Elf64_Sym *syms = NULL;
@@ -321,6 +323,10 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
return -ENOEXEC;
}
+ if (IS_ENABLED(CONFIG_CRYPTO_FIPS140) &&
+ !strcmp(mod->name, "fips140"))
+ copy_rela_for_fips140 = true;
+
for (i = 0; i < ehdr->e_shnum; i++) {
Elf64_Rela *rels = (void *)ehdr + sechdrs[i].sh_offset;
int nents, numrels = sechdrs[i].sh_size / sizeof(Elf64_Rela);
@@ -329,10 +335,38 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
if (sechdrs[i].sh_type != SHT_RELA)
continue;
+#ifdef CONFIG_CRYPTO_FIPS140
+ if (copy_rela_for_fips140 &&
+ !strcmp(secstrings + dstsec->sh_name, ".rodata")) {
+ void *p = kmemdup(rels, numrels * sizeof(Elf64_Rela),
+ GFP_KERNEL);
+ if (!p) {
+ pr_err("fips140: failed to allocate .rodata RELA buffer\n");
+ return -ENOMEM;
+ }
+ mod->arch.rodata_relocations = p;
+ mod->arch.num_rodata_relocations = numrels;
+ }
+#endif
+
/* ignore relocations that operate on non-exec sections */
if (!(dstsec->sh_flags & SHF_EXECINSTR))
continue;
+#ifdef CONFIG_CRYPTO_FIPS140
+ if (copy_rela_for_fips140 &&
+ !strcmp(secstrings + dstsec->sh_name, ".text")) {
+ void *p = kmemdup(rels, numrels * sizeof(Elf64_Rela),
+ GFP_KERNEL);
+ if (!p) {
+ pr_err("fips140: failed to allocate .text RELA buffer\n");
+ return -ENOMEM;
+ }
+ mod->arch.text_relocations = p;
+ mod->arch.num_text_relocations = numrels;
+ }
+#endif
+
/*
* sort branch relocations requiring a PLT by type, symbol index
* and addend
diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
index 2a1ad95..b5ec010 100644
--- a/arch/arm64/kernel/module.c
+++ b/arch/arm64/kernel/module.c
@@ -30,7 +30,8 @@ void *module_alloc(unsigned long size)
if (IS_ENABLED(CONFIG_ARM64_MODULE_PLTS))
gfp_mask |= __GFP_NOWARN;
- if (IS_ENABLED(CONFIG_KASAN))
+ if (IS_ENABLED(CONFIG_KASAN_GENERIC) ||
+ IS_ENABLED(CONFIG_KASAN_SW_TAGS))
/* don't exceed the static module region - see below */
module_alloc_end = MODULES_END;
@@ -39,13 +40,16 @@ void *module_alloc(unsigned long size)
NUMA_NO_NODE, __builtin_return_address(0));
if (!p && IS_ENABLED(CONFIG_ARM64_MODULE_PLTS) &&
- !IS_ENABLED(CONFIG_KASAN))
+ (IS_ENABLED(CONFIG_KASAN_VMALLOC) ||
+ (!IS_ENABLED(CONFIG_KASAN_GENERIC) &&
+ !IS_ENABLED(CONFIG_KASAN_SW_TAGS))))
/*
- * KASAN can only deal with module allocations being served
- * from the reserved module region, since the remainder of
- * the vmalloc region is already backed by zero shadow pages,
- * and punching holes into it is non-trivial. Since the module
- * region is not randomized when KASAN is enabled, it is even
+ * KASAN without KASAN_VMALLOC can only deal with module
+ * allocations being served from the reserved module region,
+ * since the remainder of the vmalloc region is already
+ * backed by zero shadow pages, and punching holes into it
+ * is non-trivial. Since the module region is not randomized
+ * when KASAN is enabled without KASAN_VMALLOC, it is even
* less likely that the module region gets exhausted, so we
* can simply omit this fallback in that case.
*/
diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c
index 7a66a7d..acd43c5 100644
--- a/arch/arm64/kernel/mte.c
+++ b/arch/arm64/kernel/mte.c
@@ -4,6 +4,7 @@
*/
#include <linux/bitops.h>
+#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/prctl.h>
@@ -13,13 +14,25 @@
#include <linux/swap.h>
#include <linux/swapops.h>
#include <linux/thread_info.h>
+#include <linux/types.h>
#include <linux/uio.h>
+#include <asm/barrier.h>
#include <asm/cpufeature.h>
#include <asm/mte.h>
#include <asm/ptrace.h>
#include <asm/sysreg.h>
+static bool report_fault_once = true;
+
+static DEFINE_PER_CPU_READ_MOSTLY(u64, mte_tcf_preferred);
+
+#ifdef CONFIG_KASAN_HW_TAGS
+/* Whether the MTE asynchronous mode is enabled. */
+DEFINE_STATIC_KEY_FALSE(mte_async_mode);
+EXPORT_SYMBOL_GPL(mte_async_mode);
+#endif
+
static void mte_sync_page_tags(struct page *page, pte_t *ptep, bool check_swap)
{
pte_t old_pte = READ_ONCE(*ptep);
@@ -31,6 +44,15 @@ static void mte_sync_page_tags(struct page *page, pte_t *ptep, bool check_swap)
return;
}
+ page_kasan_tag_reset(page);
+ /*
+ * We need smp_wmb() in between setting the flags and clearing the
+ * tags because if another thread reads page->flags and builds a
+ * tagged address out of it, there is an actual dependency to the
+ * memory access, but on the current thread we do not guarantee that
+ * the new page->flags are visible before the tags were updated.
+ */
+ smp_wmb();
mte_clear_page_tags(page_address(page));
}
@@ -72,46 +94,120 @@ int memcmp_pages(struct page *page1, struct page *page2)
return ret;
}
-static void update_sctlr_el1_tcf0(u64 tcf0)
+static inline void __mte_enable_kernel(const char *mode, unsigned long tcf)
{
- /* ISB required for the kernel uaccess routines */
- sysreg_clear_set(sctlr_el1, SCTLR_EL1_TCF0_MASK, tcf0);
+ /* Enable MTE Sync Mode for EL1. */
+ sysreg_clear_set(sctlr_el1, SCTLR_ELx_TCF_MASK, tcf);
isb();
+
+ pr_info_once("MTE: enabled in %s mode at EL1\n", mode);
}
-static void set_sctlr_el1_tcf0(u64 tcf0)
+#ifdef CONFIG_KASAN_HW_TAGS
+void mte_enable_kernel_sync(void)
{
/*
- * mte_thread_switch() checks current->thread.sctlr_tcf0 as an
- * optimisation. Disable preemption so that it does not see
- * the variable update before the SCTLR_EL1.TCF0 one.
+ * Make sure we enter this function when no PE has set
+ * async mode previously.
*/
- preempt_disable();
- current->thread.sctlr_tcf0 = tcf0;
- update_sctlr_el1_tcf0(tcf0);
- preempt_enable();
+ WARN_ONCE(system_uses_mte_async_mode(),
+ "MTE async mode enabled system wide!");
+
+ __mte_enable_kernel("synchronous", SCTLR_ELx_TCF_SYNC);
}
-static void update_gcr_el1_excl(u64 incl)
+void mte_enable_kernel_async(void)
{
- u64 excl = ~incl & SYS_GCR_EL1_EXCL_MASK;
+ __mte_enable_kernel("asynchronous", SCTLR_ELx_TCF_ASYNC);
/*
- * Note that 'incl' is an include mask (controlled by the user via
- * prctl()) while GCR_EL1 accepts an exclude mask.
- * No need for ISB since this only affects EL0 currently, implicit
- * with ERET.
+ * MTE async mode is set system wide by the first PE that
+ * executes this function.
+ *
+ * Note: If in future KASAN acquires a runtime switching
+ * mode in between sync and async, this strategy needs
+ * to be reviewed.
*/
- sysreg_clear_set_s(SYS_GCR_EL1, SYS_GCR_EL1_EXCL_MASK, excl);
+ if (!system_uses_mte_async_mode())
+ static_branch_enable(&mte_async_mode);
}
+#endif
-static void set_gcr_el1_excl(u64 incl)
+void mte_set_report_once(bool state)
{
- current->thread.gcr_user_incl = incl;
- update_gcr_el1_excl(incl);
+ WRITE_ONCE(report_fault_once, state);
}
-void flush_mte_state(void)
+bool mte_report_once(void)
+{
+ return READ_ONCE(report_fault_once);
+}
+
+#ifdef CONFIG_KASAN_HW_TAGS
+void mte_check_tfsr_el1(void)
+{
+ u64 tfsr_el1 = read_sysreg_s(SYS_TFSR_EL1);
+
+ if (unlikely(tfsr_el1 & SYS_TFSR_EL1_TF1)) {
+ /*
+ * Note: isb() is not required after this direct write
+ * because there is no indirect read subsequent to it
+ * (per ARM DDI 0487F.c table D13-1).
+ */
+ write_sysreg_s(0, SYS_TFSR_EL1);
+
+ kasan_report_async();
+ }
+}
+#endif
+
+static void mte_update_sctlr_user(struct task_struct *task)
+{
+ /*
+ * This must be called with preemption disabled and can only be called
+ * on the current or next task since the CPU must match where the thread
+ * is going to run. The caller is responsible for calling
+ * update_sctlr_el1() later in the same preemption disabled block.
+ */
+ unsigned long sctlr = task->thread.sctlr_user;
+ unsigned long mte_ctrl = task->thread.mte_ctrl;
+ unsigned long pref, resolved_mte_tcf;
+
+ pref = __this_cpu_read(mte_tcf_preferred);
+ resolved_mte_tcf = (mte_ctrl & pref) ? pref : mte_ctrl;
+ sctlr &= ~SCTLR_EL1_TCF0_MASK;
+ if (resolved_mte_tcf & MTE_CTRL_TCF_ASYNC)
+ sctlr |= SCTLR_EL1_TCF0_ASYNC;
+ else if (resolved_mte_tcf & MTE_CTRL_TCF_SYNC)
+ sctlr |= SCTLR_EL1_TCF0_SYNC;
+ task->thread.sctlr_user = sctlr;
+}
+
+static void mte_update_gcr_excl(struct task_struct *task)
+{
+ /*
+ * SYS_GCR_EL1 will be set to current->thread.mte_ctrl value by
+ * mte_set_user_gcr() in kernel_exit, but only if KASAN is enabled.
+ */
+ if (kasan_hw_tags_enabled())
+ return;
+
+ write_sysreg_s(
+ ((task->thread.mte_ctrl >> MTE_CTRL_GCR_USER_EXCL_SHIFT) &
+ SYS_GCR_EL1_EXCL_MASK) | SYS_GCR_EL1_RRND,
+ SYS_GCR_EL1);
+}
+
+void __init kasan_hw_tags_enable(struct alt_instr *alt, __le32 *origptr,
+ __le32 *updptr, int nr_inst)
+{
+ BUG_ON(nr_inst != 1); /* Branch -> NOP */
+
+ if (kasan_hw_tags_enabled())
+ *updptr = cpu_to_le32(aarch64_insn_gen_nop());
+}
+
+void mte_thread_init_user(void)
{
if (!system_supports_mte())
return;
@@ -120,10 +216,8 @@ void flush_mte_state(void)
dsb(ish);
write_sysreg_s(0, SYS_TFSRE0_EL1);
clear_thread_flag(TIF_MTE_ASYNC_FAULT);
- /* disable tag checking */
- set_sctlr_el1_tcf0(SCTLR_EL1_TCF0_NONE);
- /* reset tag generation mask */
- set_gcr_el1_excl(0);
+ /* disable tag checking and reset tag generation mask */
+ set_mte_ctrl(current, 0);
}
void mte_thread_switch(struct task_struct *next)
@@ -131,48 +225,56 @@ void mte_thread_switch(struct task_struct *next)
if (!system_supports_mte())
return;
- /* avoid expensive SCTLR_EL1 accesses if no change */
- if (current->thread.sctlr_tcf0 != next->thread.sctlr_tcf0)
- update_sctlr_el1_tcf0(next->thread.sctlr_tcf0);
- update_gcr_el1_excl(next->thread.gcr_user_incl);
+ mte_update_sctlr_user(next);
+ mte_update_gcr_excl(next);
+
+ /*
+ * Check if an async tag exception occurred at EL1.
+ *
+ * Note: On the context switch path we rely on the dsb() present
+ * in __switch_to() to guarantee that the indirect writes to TFSR_EL1
+ * are synchronized before this point.
+ */
+ isb();
+ mte_check_tfsr_el1();
}
-void mte_suspend_exit(void)
+void mte_suspend_enter(void)
{
if (!system_supports_mte())
return;
- update_gcr_el1_excl(current->thread.gcr_user_incl);
+ /*
+ * The barriers are required to guarantee that the indirect writes
+ * to TFSR_EL1 are synchronized before we report the state.
+ */
+ dsb(nsh);
+ isb();
+
+ /* Report SYS_TFSR_EL1 before suspend entry */
+ mte_check_tfsr_el1();
}
long set_mte_ctrl(struct task_struct *task, unsigned long arg)
{
- u64 tcf0;
- u64 gcr_incl = (arg & PR_MTE_TAG_MASK) >> PR_MTE_TAG_SHIFT;
+ u64 mte_ctrl = (~((arg & PR_MTE_TAG_MASK) >> PR_MTE_TAG_SHIFT) &
+ SYS_GCR_EL1_EXCL_MASK) << MTE_CTRL_GCR_USER_EXCL_SHIFT;
if (!system_supports_mte())
return 0;
- switch (arg & PR_MTE_TCF_MASK) {
- case PR_MTE_TCF_NONE:
- tcf0 = SCTLR_EL1_TCF0_NONE;
- break;
- case PR_MTE_TCF_SYNC:
- tcf0 = SCTLR_EL1_TCF0_SYNC;
- break;
- case PR_MTE_TCF_ASYNC:
- tcf0 = SCTLR_EL1_TCF0_ASYNC;
- break;
- default:
- return -EINVAL;
- }
+ if (arg & PR_MTE_TCF_ASYNC)
+ mte_ctrl |= MTE_CTRL_TCF_ASYNC;
+ if (arg & PR_MTE_TCF_SYNC)
+ mte_ctrl |= MTE_CTRL_TCF_SYNC;
- if (task != current) {
- task->thread.sctlr_tcf0 = tcf0;
- task->thread.gcr_user_incl = gcr_incl;
- } else {
- set_sctlr_el1_tcf0(tcf0);
- set_gcr_el1_excl(gcr_incl);
+ task->thread.mte_ctrl = mte_ctrl;
+ if (task == current) {
+ preempt_disable();
+ mte_update_sctlr_user(task);
+ mte_update_gcr_excl(task);
+ update_sctlr_el1(task->thread.sctlr_user);
+ preempt_enable();
}
return 0;
@@ -181,23 +283,18 @@ long set_mte_ctrl(struct task_struct *task, unsigned long arg)
long get_mte_ctrl(struct task_struct *task)
{
unsigned long ret;
+ u64 mte_ctrl = task->thread.mte_ctrl;
+ u64 incl = (~mte_ctrl >> MTE_CTRL_GCR_USER_EXCL_SHIFT) &
+ SYS_GCR_EL1_EXCL_MASK;
if (!system_supports_mte())
return 0;
- ret = task->thread.gcr_user_incl << PR_MTE_TAG_SHIFT;
-
- switch (task->thread.sctlr_tcf0) {
- case SCTLR_EL1_TCF0_NONE:
- ret |= PR_MTE_TCF_NONE;
- break;
- case SCTLR_EL1_TCF0_SYNC:
- ret |= PR_MTE_TCF_SYNC;
- break;
- case SCTLR_EL1_TCF0_ASYNC:
+ ret = incl << PR_MTE_TAG_SHIFT;
+ if (mte_ctrl & MTE_CTRL_TCF_ASYNC)
ret |= PR_MTE_TCF_ASYNC;
- break;
- }
+ if (mte_ctrl & MTE_CTRL_TCF_SYNC)
+ ret |= PR_MTE_TCF_SYNC;
return ret;
}
@@ -336,3 +433,54 @@ int mte_ptrace_copy_tags(struct task_struct *child, long request,
return ret;
}
+
+static ssize_t mte_tcf_preferred_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ switch (per_cpu(mte_tcf_preferred, dev->id)) {
+ case MTE_CTRL_TCF_ASYNC:
+ return sysfs_emit(buf, "async\n");
+ case MTE_CTRL_TCF_SYNC:
+ return sysfs_emit(buf, "sync\n");
+ default:
+ return sysfs_emit(buf, "???\n");
+ }
+}
+
+static ssize_t mte_tcf_preferred_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ u64 tcf;
+
+ if (sysfs_streq(buf, "async"))
+ tcf = MTE_CTRL_TCF_ASYNC;
+ else if (sysfs_streq(buf, "sync"))
+ tcf = MTE_CTRL_TCF_SYNC;
+ else
+ return -EINVAL;
+
+ device_lock(dev);
+ per_cpu(mte_tcf_preferred, dev->id) = tcf;
+ device_unlock(dev);
+
+ return count;
+}
+static DEVICE_ATTR_RW(mte_tcf_preferred);
+
+static int register_mte_tcf_preferred_sysctl(void)
+{
+ unsigned int cpu;
+
+ if (!system_supports_mte())
+ return 0;
+
+ for_each_possible_cpu(cpu) {
+ per_cpu(mte_tcf_preferred, cpu) = MTE_CTRL_TCF_ASYNC;
+ device_create_file(get_cpu_device(cpu),
+ &dev_attr_mte_tcf_preferred);
+ }
+
+ return 0;
+}
+subsys_initcall(register_mte_tcf_preferred_sysctl);
diff --git a/arch/arm64/kernel/pointer_auth.c b/arch/arm64/kernel/pointer_auth.c
index adb955fd..2708b62 100644
--- a/arch/arm64/kernel/pointer_auth.c
+++ b/arch/arm64/kernel/pointer_auth.c
@@ -43,6 +43,71 @@ int ptrauth_prctl_reset_keys(struct task_struct *tsk, unsigned long arg)
get_random_bytes(&keys->apdb, sizeof(keys->apdb));
if (arg & PR_PAC_APGAKEY)
get_random_bytes(&keys->apga, sizeof(keys->apga));
+ ptrauth_keys_install_user(keys);
return 0;
}
+
+static u64 arg_to_enxx_mask(unsigned long arg)
+{
+ u64 sctlr_enxx_mask = 0;
+
+ WARN_ON(arg & ~PR_PAC_ENABLED_KEYS_MASK);
+ if (arg & PR_PAC_APIAKEY)
+ sctlr_enxx_mask |= SCTLR_ELx_ENIA;
+ if (arg & PR_PAC_APIBKEY)
+ sctlr_enxx_mask |= SCTLR_ELx_ENIB;
+ if (arg & PR_PAC_APDAKEY)
+ sctlr_enxx_mask |= SCTLR_ELx_ENDA;
+ if (arg & PR_PAC_APDBKEY)
+ sctlr_enxx_mask |= SCTLR_ELx_ENDB;
+ return sctlr_enxx_mask;
+}
+
+int ptrauth_set_enabled_keys(struct task_struct *tsk, unsigned long keys,
+ unsigned long enabled)
+{
+ u64 sctlr;
+
+ if (!system_supports_address_auth())
+ return -EINVAL;
+
+ if (is_compat_thread(task_thread_info(tsk)))
+ return -EINVAL;
+
+ if ((keys & ~PR_PAC_ENABLED_KEYS_MASK) || (enabled & ~keys))
+ return -EINVAL;
+
+ preempt_disable();
+ sctlr = tsk->thread.sctlr_user;
+ sctlr &= ~arg_to_enxx_mask(keys);
+ sctlr |= arg_to_enxx_mask(enabled);
+ tsk->thread.sctlr_user = sctlr;
+ if (tsk == current)
+ update_sctlr_el1(sctlr);
+ preempt_enable();
+
+ return 0;
+}
+
+int ptrauth_get_enabled_keys(struct task_struct *tsk)
+{
+ int retval = 0;
+
+ if (!system_supports_address_auth())
+ return -EINVAL;
+
+ if (is_compat_thread(task_thread_info(tsk)))
+ return -EINVAL;
+
+ if (tsk->thread.sctlr_user & SCTLR_ELx_ENIA)
+ retval |= PR_PAC_APIAKEY;
+ if (tsk->thread.sctlr_user & SCTLR_ELx_ENIB)
+ retval |= PR_PAC_APIBKEY;
+ if (tsk->thread.sctlr_user & SCTLR_ELx_ENDA)
+ retval |= PR_PAC_APDAKEY;
+ if (tsk->thread.sctlr_user & SCTLR_ELx_ENDB)
+ retval |= PR_PAC_APDBKEY;
+
+ return retval;
+}
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 4999caf..e112982 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -44,6 +44,7 @@
#include <linux/percpu.h>
#include <linux/thread_info.h>
#include <linux/prctl.h>
+#include <trace/hooks/fpsimd.h>
#include <asm/alternative.h>
#include <asm/arch_gicv3.h>
@@ -70,8 +71,6 @@ EXPORT_SYMBOL(__stack_chk_guard);
void (*pm_power_off)(void);
EXPORT_SYMBOL_GPL(pm_power_off);
-void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
-
static void noinstr __cpu_do_idle(void)
{
dsb(sy);
@@ -199,10 +198,7 @@ void machine_restart(char *cmd)
efi_reboot(reboot_mode, NULL);
/* Now call the architecture specific reboot code. */
- if (arm_pm_restart)
- arm_pm_restart(reboot_mode, cmd);
- else
- do_kernel_restart(cmd);
+ do_kernel_restart(cmd);
/*
* Whoops - the architecture was unable to reboot.
@@ -309,6 +305,7 @@ void show_regs(struct pt_regs * regs)
__show_regs(regs);
dump_backtrace(regs, NULL, KERN_DEFAULT);
}
+EXPORT_SYMBOL_GPL(show_regs);
static void tls_thread_flush(void)
{
@@ -339,7 +336,6 @@ void flush_thread(void)
tls_thread_flush();
flush_ptrace_hw_breakpoint(current);
flush_tagged_addr_state();
- flush_mte_state();
}
void release_thread(struct task_struct *dead_task)
@@ -422,16 +418,15 @@ int copy_thread(unsigned long clone_flags, unsigned long stack_start,
if (clone_flags & CLONE_SETTLS)
p->thread.uw.tp_value = tls;
} else {
+ /*
+ * A kthread has no context to ERET to, so ensure any buggy
+ * ERET is treated as an illegal exception return.
+ *
+ * When a user task is created from a kthread, childregs will
+ * be initialized by start_thread() or start_compat_thread().
+ */
memset(childregs, 0, sizeof(struct pt_regs));
- childregs->pstate = PSR_MODE_EL1h;
- if (IS_ENABLED(CONFIG_ARM64_UAO) &&
- cpus_have_const_cap(ARM64_HAS_UAO))
- childregs->pstate |= PSR_UAO_BIT;
-
- spectre_v4_enable_task_mitigation(p);
-
- if (system_uses_irq_prio_masking())
- childregs->pmr_save = GIC_PRIO_IRQON;
+ childregs->pstate = PSR_MODE_EL1h | PSR_IL_BIT;
p->thread.cpu_context.x19 = stack_start;
p->thread.cpu_context.x20 = stk_sz;
@@ -542,6 +537,24 @@ static void erratum_1418040_thread_switch(struct task_struct *prev,
}
/*
+ * __switch_to() checks current->thread.sctlr_user as an optimisation. Therefore
+ * this function must be called with preemption disabled and the update to
+ * sctlr_user must be made in the same preemption disabled block so that
+ * __switch_to() does not see the variable update before the SCTLR_EL1 one.
+ */
+void update_sctlr_el1(u64 sctlr)
+{
+ /*
+ * EnIA must not be cleared while in the kernel as this is necessary for
+ * in-kernel PAC. It will be cleared on kernel exit if needed.
+ */
+ sysreg_clear_set(sctlr_el1, SCTLR_USER_MASK & ~SCTLR_ELx_ENIA, sctlr);
+
+ /* ISB required for the kernel uaccess routines when setting TCF0. */
+ isb();
+}
+
+/*
* Thread switching.
*/
__notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev,
@@ -557,6 +570,7 @@ __notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev,
uao_thread_switch(next);
ssbs_thread_switch(next);
erratum_1418040_thread_switch(prev, next);
+ ptrauth_thread_switch_user(next);
/*
* Complete any pending TLB or cache maintenance on this CPU in case
@@ -572,6 +586,11 @@ __notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev,
* registers.
*/
mte_thread_switch(next);
+ /* avoid expensive SCTLR_EL1 accesses if no change */
+ if (prev->thread.sctlr_user != next->thread.sctlr_user)
+ update_sctlr_el1(next->thread.sctlr_user);
+
+ trace_android_vh_is_fpsimd_save(prev, next);
/* the actual thread switch */
last = cpu_switch_to(prev, next);
@@ -606,6 +625,7 @@ unsigned long get_wchan(struct task_struct *p)
put_task_stack(p);
return ret;
}
+EXPORT_SYMBOL_GPL(get_wchan);
unsigned long arch_align_stack(unsigned long sp)
{
@@ -619,9 +639,27 @@ unsigned long arch_align_stack(unsigned long sp)
*/
void arch_setup_new_exec(void)
{
- current->mm->context.flags = is_compat_task() ? MMCF_AARCH32 : 0;
+ unsigned long mmflags = 0;
- ptrauth_thread_init_user(current);
+ if (is_compat_task()) {
+ mmflags = MMCF_AARCH32;
+
+ /*
+ * Restrict the CPU affinity mask for a 32-bit task so that
+ * it contains only 32-bit-capable CPUs.
+ *
+ * From the perspective of the task, this looks similar to
+ * what would happen if the 64-bit-only CPUs were hot-unplugged
+ * at the point of execve(), although we try a bit harder to
+ * honour the cpuset hierarchy.
+ */
+ if (static_branch_unlikely(&arm64_mismatched_32bit_el0))
+ force_compatible_cpus_allowed_ptr(current);
+ }
+
+ current->mm->context.flags = mmflags;
+ ptrauth_thread_init_user();
+ mte_thread_init_user();
if (task_spec_ssb_noexec(current)) {
arch_prctl_spec_ctrl_set(current, PR_SPEC_STORE_BYPASS,
diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index f6e4e37..902e408 100644
--- a/arch/arm64/kernel/proton-pack.c
+++ b/arch/arm64/kernel/proton-pack.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Handle detection, reporting and mitigation of Spectre v1, v2 and v4, as
+ * Handle detection, reporting and mitigation of Spectre v1, v2, v3a and v4, as
* detailed at:
*
* https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
@@ -24,8 +24,10 @@
#include <linux/prctl.h>
#include <linux/sched/task_stack.h>
+#include <asm/insn.h>
#include <asm/spectre.h>
#include <asm/traps.h>
+#include <asm/virt.h>
/*
* We try to ensure that the mitigation state can never change as the result of
@@ -170,72 +172,26 @@ bool has_spectre_v2(const struct arm64_cpu_capabilities *entry, int scope)
return true;
}
-DEFINE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
-
enum mitigation_state arm64_get_spectre_v2_state(void)
{
return spectre_v2_state;
}
-#ifdef CONFIG_KVM
-#include <asm/cacheflush.h>
-#include <asm/kvm_asm.h>
-
-atomic_t arm64_el2_vector_last_slot = ATOMIC_INIT(-1);
-
-static void __copy_hyp_vect_bpi(int slot, const char *hyp_vecs_start,
- const char *hyp_vecs_end)
-{
- void *dst = lm_alias(__bp_harden_hyp_vecs + slot * SZ_2K);
- int i;
-
- for (i = 0; i < SZ_2K; i += 0x80)
- memcpy(dst + i, hyp_vecs_start, hyp_vecs_end - hyp_vecs_start);
-
- __flush_icache_range((uintptr_t)dst, (uintptr_t)dst + SZ_2K);
-}
+DEFINE_PER_CPU_READ_MOSTLY(struct bp_hardening_data, bp_hardening_data);
static void install_bp_hardening_cb(bp_hardening_cb_t fn)
{
- static DEFINE_RAW_SPINLOCK(bp_lock);
- int cpu, slot = -1;
- const char *hyp_vecs_start = __smccc_workaround_1_smc;
- const char *hyp_vecs_end = __smccc_workaround_1_smc +
- __SMCCC_WORKAROUND_1_SMC_SZ;
+ __this_cpu_write(bp_hardening_data.fn, fn);
/*
* Vinz Clortho takes the hyp_vecs start/end "keys" at
* the door when we're a guest. Skip the hyp-vectors work.
*/
- if (!is_hyp_mode_available()) {
- __this_cpu_write(bp_hardening_data.fn, fn);
+ if (!is_hyp_mode_available())
return;
- }
- raw_spin_lock(&bp_lock);
- for_each_possible_cpu(cpu) {
- if (per_cpu(bp_hardening_data.fn, cpu) == fn) {
- slot = per_cpu(bp_hardening_data.hyp_vectors_slot, cpu);
- break;
- }
- }
-
- if (slot == -1) {
- slot = atomic_inc_return(&arm64_el2_vector_last_slot);
- BUG_ON(slot >= BP_HARDEN_EL2_SLOTS);
- __copy_hyp_vect_bpi(slot, hyp_vecs_start, hyp_vecs_end);
- }
-
- __this_cpu_write(bp_hardening_data.hyp_vectors_slot, slot);
- __this_cpu_write(bp_hardening_data.fn, fn);
- raw_spin_unlock(&bp_lock);
+ __this_cpu_write(bp_hardening_data.slot, HYP_VECTOR_SPECTRE_DIRECT);
}
-#else
-static void install_bp_hardening_cb(bp_hardening_cb_t fn)
-{
- __this_cpu_write(bp_hardening_data.fn, fn);
-}
-#endif /* CONFIG_KVM */
static void call_smc_arch_workaround_1(void)
{
@@ -317,6 +273,33 @@ void spectre_v2_enable_mitigation(const struct arm64_cpu_capabilities *__unused)
}
/*
+ * Spectre-v3a.
+ *
+ * Phew, there's not an awful lot to do here! We just instruct EL2 to use
+ * an indirect trampoline for the hyp vectors so that guests can't read
+ * VBAR_EL2 to defeat randomisation of the hypervisor VA layout.
+ */
+bool has_spectre_v3a(const struct arm64_cpu_capabilities *entry, int scope)
+{
+ static const struct midr_range spectre_v3a_unsafe_list[] = {
+ MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
+ MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
+ {},
+ };
+
+ WARN_ON(scope != SCOPE_LOCAL_CPU || preemptible());
+ return is_midr_in_range_list(read_cpuid_id(), spectre_v3a_unsafe_list);
+}
+
+void spectre_v3a_enable_mitigation(const struct arm64_cpu_capabilities *__unused)
+{
+ struct bp_hardening_data *data = this_cpu_ptr(&bp_hardening_data);
+
+ if (this_cpu_has_cap(ARM64_SPECTRE_V3A))
+ data->slot += HYP_VECTOR_INDIRECT;
+}
+
+/*
* Spectre v4.
*
* If you thought Spectre v2 was nasty, wait until you see this mess. A CPU is
@@ -538,12 +521,12 @@ static enum mitigation_state spectre_v4_enable_hw_mitigation(void)
if (spectre_v4_mitigations_off()) {
sysreg_clear_set(sctlr_el1, 0, SCTLR_ELx_DSSBS);
- asm volatile(SET_PSTATE_SSBS(1));
+ set_pstate_ssbs(1);
return SPECTRE_VULNERABLE;
}
/* SCTLR_EL1.DSSBS was initialised to 0 during boot */
- asm volatile(SET_PSTATE_SSBS(0));
+ set_pstate_ssbs(0);
return SPECTRE_MITIGATED;
}
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 62d2bda..bfb1a6f 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -38,7 +38,8 @@ static int __init cpu_psci_cpu_prepare(unsigned int cpu)
static int cpu_psci_cpu_boot(unsigned int cpu)
{
- int err = psci_ops.cpu_on(cpu_logical_map(cpu), __pa_symbol(secondary_entry));
+ int err = psci_ops.cpu_on(cpu_logical_map(cpu),
+ __pa_function(secondary_entry));
if (err)
pr_err("failed to boot CPU%d (%d)\n", cpu, err);
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 2817e39..bbb9474 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -192,14 +192,11 @@ static void ptrace_hbptriggered(struct perf_event *bp,
break;
}
}
- arm64_force_sig_ptrace_errno_trap(si_errno,
- (void __user *)bkpt->trigger,
+ arm64_force_sig_ptrace_errno_trap(si_errno, bkpt->trigger,
desc);
}
#endif
- arm64_force_sig_fault(SIGTRAP, TRAP_HWBKPT,
- (void __user *)(bkpt->trigger),
- desc);
+ arm64_force_sig_fault(SIGTRAP, TRAP_HWBKPT, bkpt->trigger, desc);
}
/*
@@ -911,6 +908,38 @@ static int pac_mask_get(struct task_struct *target,
return membuf_write(&to, &uregs, sizeof(uregs));
}
+static int pac_enabled_keys_get(struct task_struct *target,
+ const struct user_regset *regset,
+ struct membuf to)
+{
+ long enabled_keys = ptrauth_get_enabled_keys(target);
+
+ if (IS_ERR_VALUE(enabled_keys))
+ return enabled_keys;
+
+ return membuf_write(&to, &enabled_keys, sizeof(enabled_keys));
+}
+
+static int pac_enabled_keys_set(struct task_struct *target,
+ const struct user_regset *regset,
+ unsigned int pos, unsigned int count,
+ const void *kbuf, const void __user *ubuf)
+{
+ int ret;
+ long enabled_keys = ptrauth_get_enabled_keys(target);
+
+ if (IS_ERR_VALUE(enabled_keys))
+ return enabled_keys;
+
+ ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &enabled_keys, 0,
+ sizeof(long));
+ if (ret)
+ return ret;
+
+ return ptrauth_set_enabled_keys(target, PR_PAC_ENABLED_KEYS_MASK,
+ enabled_keys);
+}
+
#ifdef CONFIG_CHECKPOINT_RESTORE
static __uint128_t pac_key_to_user(const struct ptrauth_key *key)
{
@@ -1076,6 +1105,7 @@ enum aarch64_regset {
#endif
#ifdef CONFIG_ARM64_PTR_AUTH
REGSET_PAC_MASK,
+ REGSET_PAC_ENABLED_KEYS,
#ifdef CONFIG_CHECKPOINT_RESTORE
REGSET_PACA_KEYS,
REGSET_PACG_KEYS,
@@ -1162,6 +1192,14 @@ static const struct user_regset aarch64_regsets[] = {
.regset_get = pac_mask_get,
/* this cannot be set dynamically */
},
+ [REGSET_PAC_ENABLED_KEYS] = {
+ .core_note_type = NT_ARM_PAC_ENABLED_KEYS,
+ .n = 1,
+ .size = sizeof(long),
+ .align = sizeof(long),
+ .regset_get = pac_enabled_keys_get,
+ .set = pac_enabled_keys_set,
+ },
#ifdef CONFIG_CHECKPOINT_RESTORE
[REGSET_PACA_KEYS] = {
.core_note_type = NT_ARM_PACA_KEYS,
diff --git a/arch/arm64/kernel/scs.c b/arch/arm64/kernel/scs.c
deleted file mode 100644
index e8f7ff4..0000000
--- a/arch/arm64/kernel/scs.c
+++ /dev/null
@@ -1,16 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Shadow Call Stack support.
- *
- * Copyright (C) 2019 Google LLC
- */
-
-#include <linux/percpu.h>
-#include <linux/scs.h>
-
-DEFINE_SCS(irq_shadow_call_stack);
-
-#ifdef CONFIG_ARM_SDE_INTERFACE
-DEFINE_SCS(sdei_shadow_call_stack_normal);
-DEFINE_SCS(sdei_shadow_call_stack_critical);
-#endif
diff --git a/arch/arm64/kernel/sdei.c b/arch/arm64/kernel/sdei.c
index 793c46d..3f129b40 100644
--- a/arch/arm64/kernel/sdei.c
+++ b/arch/arm64/kernel/sdei.c
@@ -7,6 +7,7 @@
#include <linux/hardirq.h>
#include <linux/irqflags.h>
#include <linux/sched/task_stack.h>
+#include <linux/scs.h>
#include <linux/uaccess.h>
#include <asm/alternative.h>
@@ -38,6 +39,14 @@ DEFINE_PER_CPU(unsigned long *, sdei_stack_normal_ptr);
DEFINE_PER_CPU(unsigned long *, sdei_stack_critical_ptr);
#endif
+DECLARE_PER_CPU(unsigned long *, sdei_shadow_call_stack_normal_ptr);
+DECLARE_PER_CPU(unsigned long *, sdei_shadow_call_stack_critical_ptr);
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+DEFINE_PER_CPU(unsigned long *, sdei_shadow_call_stack_normal_ptr);
+DEFINE_PER_CPU(unsigned long *, sdei_shadow_call_stack_critical_ptr);
+#endif
+
static void _free_sdei_stack(unsigned long * __percpu *ptr, int cpu)
{
unsigned long *p;
@@ -53,6 +62,9 @@ static void free_sdei_stacks(void)
{
int cpu;
+ if (!IS_ENABLED(CONFIG_VMAP_STACK))
+ return;
+
for_each_possible_cpu(cpu) {
_free_sdei_stack(&sdei_stack_normal_ptr, cpu);
_free_sdei_stack(&sdei_stack_critical_ptr, cpu);
@@ -76,6 +88,9 @@ static int init_sdei_stacks(void)
int cpu;
int err = 0;
+ if (!IS_ENABLED(CONFIG_VMAP_STACK))
+ return 0;
+
for_each_possible_cpu(cpu) {
err = _init_sdei_stack(&sdei_stack_normal_ptr, cpu);
if (err)
@@ -91,6 +106,62 @@ static int init_sdei_stacks(void)
return err;
}
+static void _free_sdei_scs(unsigned long * __percpu *ptr, int cpu)
+{
+ void *s;
+
+ s = per_cpu(*ptr, cpu);
+ if (s) {
+ per_cpu(*ptr, cpu) = NULL;
+ scs_free(s);
+ }
+}
+
+static void free_sdei_scs(void)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu) {
+ _free_sdei_scs(&sdei_shadow_call_stack_normal_ptr, cpu);
+ _free_sdei_scs(&sdei_shadow_call_stack_critical_ptr, cpu);
+ }
+}
+
+static int _init_sdei_scs(unsigned long * __percpu *ptr, int cpu)
+{
+ void *s;
+
+ s = scs_alloc(cpu_to_node(cpu));
+ if (!s)
+ return -ENOMEM;
+ per_cpu(*ptr, cpu) = s;
+
+ return 0;
+}
+
+static int init_sdei_scs(void)
+{
+ int cpu;
+ int err = 0;
+
+ if (!IS_ENABLED(CONFIG_SHADOW_CALL_STACK))
+ return 0;
+
+ for_each_possible_cpu(cpu) {
+ err = _init_sdei_scs(&sdei_shadow_call_stack_normal_ptr, cpu);
+ if (err)
+ break;
+ err = _init_sdei_scs(&sdei_shadow_call_stack_critical_ptr, cpu);
+ if (err)
+ break;
+ }
+
+ if (err)
+ free_sdei_scs();
+
+ return err;
+}
+
static bool on_sdei_normal_stack(unsigned long sp, struct stack_info *info)
{
unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_normal_ptr);
@@ -131,13 +202,14 @@ unsigned long sdei_arch_get_entry_point(int conduit)
*/
if (is_hyp_mode_available() && !is_kernel_in_hyp_mode()) {
pr_err("Not supported on this hardware/boot configuration\n");
- return 0;
+ goto out_err;
}
- if (IS_ENABLED(CONFIG_VMAP_STACK)) {
- if (init_sdei_stacks())
- return 0;
- }
+ if (init_sdei_stacks())
+ goto out_err;
+
+ if (init_sdei_scs())
+ goto out_err_free_stacks;
sdei_exit_mode = (conduit == SMCCC_CONDUIT_HVC) ? SDEI_EXIT_HVC : SDEI_EXIT_SMC;
@@ -152,6 +224,10 @@ unsigned long sdei_arch_get_entry_point(int conduit)
#endif /* CONFIG_UNMAP_KERNEL_AT_EL0 */
return (unsigned long)__sdei_asm_handler;
+out_err_free_stacks:
+ free_sdei_stacks();
+out_err:
+ return 0;
}
/*
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index eb4b246..a6ec917 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -168,6 +168,21 @@ static void __init smp_build_mpidr_hash(void)
pr_warn("Large number of MPIDR hash buckets detected\n");
}
+static void *early_fdt_ptr __initdata;
+
+void __init *get_early_fdt_ptr(void)
+{
+ return early_fdt_ptr;
+}
+
+asmlinkage void __init early_fdt_map(u64 dt_phys)
+{
+ int fdt_size;
+
+ early_fixmap_init();
+ early_fdt_ptr = fixmap_remap_fdt(dt_phys, &fdt_size, PAGE_KERNEL);
+}
+
static void __init setup_machine_fdt(phys_addr_t dt_phys)
{
int size;
@@ -276,7 +291,7 @@ arch_initcall(reserve_memblock_reserved_regions);
u64 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
-u64 cpu_logical_map(int cpu)
+u64 cpu_logical_map(unsigned int cpu)
{
return __cpu_logical_map[cpu];
}
@@ -358,7 +373,7 @@ void __init __no_sanitize_address setup_arch(char **cmdline_p)
smp_build_mpidr_hash();
/* Init percpu seeds for random tags after cpus are set up. */
- kasan_init_tags();
+ kasan_init_sw_tags();
#ifdef CONFIG_ARM64_SW_TTBR0_PAN
/*
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index ba40d57..4ea9392 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -99,7 +99,8 @@
.pushsection ".idmap.text", "awx"
SYM_CODE_START(cpu_resume)
- bl el2_setup // if in EL2 drop to EL1 cleanly
+ bl init_kernel_el
+ bl switch_to_vhe
bl __cpu_setup
/* enable the MMU early - so we can access sleep_save_stash by va */
adrp x1, swapper_pg_dir
@@ -133,7 +134,7 @@
*/
bl cpu_do_resume
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
mov x0, sp
bl kasan_unpoison_task_stack_below
#endif
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index feee5a3..070e487 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -53,9 +53,14 @@
#define CREATE_TRACE_POINTS
#include <trace/events/ipi.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/debug.h>
DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number);
EXPORT_PER_CPU_SYMBOL(cpu_number);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_raise);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_exit);
/*
* as from 2.5, kernels no longer have an init_tasks structure
@@ -350,7 +355,7 @@ void __cpu_die(unsigned int cpu)
pr_crit("CPU%u: cpu didn't die\n", cpu);
return;
}
- pr_notice("CPU%u: shutdown\n", cpu);
+ pr_debug("CPU%u: shutdown\n", cpu);
/*
* Now that the dying CPU is beyond the point of no return w.r.t.
@@ -433,8 +438,10 @@ static void __init hyp_mode_check(void)
"CPU: CPUs started in inconsistent modes");
else
pr_info("CPU: All CPU(s) started at EL1\n");
- if (IS_ENABLED(CONFIG_KVM))
+ if (IS_ENABLED(CONFIG_KVM) && !is_kernel_in_hyp_mode()) {
kvm_compute_layout();
+ kvm_apply_hyp_relocations();
+ }
}
void __init smp_cpus_done(unsigned int max_cpus)
@@ -461,6 +468,8 @@ void __init smp_prepare_boot_cpu(void)
/* Conditionally switch to GIC PMR for interrupt masking */
if (system_uses_irq_prio_masking())
init_gic_priority_masking();
+
+ kasan_init_hw_tags();
}
static u64 __init of_get_cpu_mpidr(struct device_node *dn)
@@ -902,6 +911,7 @@ static void do_handle_IPI(int ipinr)
break;
case IPI_CPU_STOP:
+ trace_android_vh_ipi_stop_rcuidle(get_irq_regs());
local_cpu_stop();
break;
@@ -994,6 +1004,10 @@ void __init set_smp_ipi_range(int ipi_base, int n)
ipi_desc[i] = irq_to_desc(ipi_base + i);
irq_set_status_flags(ipi_base + i, IRQ_HIDDEN);
+
+ /* The recheduling IPI is special... */
+ if (i == IPI_RESCHEDULE)
+ __irq_modify_status(ipi_base + i, 0, IRQ_RAW, ~0);
}
ipi_irq_base = ipi_base;
@@ -1129,3 +1143,15 @@ bool cpus_are_stuck_in_kernel(void)
return !!cpus_stuck_in_kernel || smp_spin_tables;
}
+
+int nr_ipi_get(void)
+{
+ return nr_ipi;
+}
+EXPORT_SYMBOL_GPL(nr_ipi_get);
+
+struct irq_desc **ipi_desc_get(void)
+{
+ return ipi_desc;
+}
+EXPORT_SYMBOL_GPL(ipi_desc_get);
diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c
index 056772c..a80ff90 100644
--- a/arch/arm64/kernel/smp_spin_table.c
+++ b/arch/arm64/kernel/smp_spin_table.c
@@ -88,7 +88,7 @@ static int smp_spin_table_cpu_prepare(unsigned int cpu)
* boot-loader's endianness before jumping. This is mandated by
* the boot protocol.
*/
- writeq_relaxed(__pa_symbol(secondary_holding_pen), release_addr);
+ writeq_relaxed(__pa_function(secondary_holding_pen), release_addr);
__flush_dcache_area((__force void *)release_addr,
sizeof(*release_addr));
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index c445828..a336782 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -190,6 +190,7 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk,
put_task_stack(tsk);
}
+EXPORT_SYMBOL_GPL(dump_backtrace);
void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl)
{
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
index 9f8cdec..ea019a8 100644
--- a/arch/arm64/kernel/suspend.c
+++ b/arch/arm64/kernel/suspend.c
@@ -75,8 +75,8 @@ void notrace __cpu_suspend_exit(void)
*/
spectre_v4_enable_mitigation(NULL);
- /* Restore additional MTE-specific configuration */
- mte_suspend_exit();
+ /* Restore additional feature-specific configuration */
+ ptrauth_suspend_exit();
}
/*
@@ -92,6 +92,9 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long))
unsigned long flags;
struct sleep_stack_data state;
+ /* Report any MTE async fault before going to suspend */
+ mte_suspend_enter();
+
/*
* From this point debug exceptions are disabled to prevent
* updates to mdscr register (saved and restored along with
diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c
index 3c18c24..265fe3e 100644
--- a/arch/arm64/kernel/sys_compat.c
+++ b/arch/arm64/kernel/sys_compat.c
@@ -68,7 +68,7 @@ do_compat_cache_op(unsigned long start, unsigned long end, int flags)
*/
long compat_arm_syscall(struct pt_regs *regs, int scno)
{
- void __user *addr;
+ unsigned long addr;
switch (scno) {
/*
@@ -111,8 +111,7 @@ long compat_arm_syscall(struct pt_regs *regs, int scno)
break;
}
- addr = (void __user *)instruction_pointer(regs) -
- (compat_thumb_mode(regs) ? 2 : 4);
+ addr = instruction_pointer(regs) - (compat_thumb_mode(regs) ? 2 : 4);
arm64_notify_die("Oops - bad compat syscall(2)", regs,
SIGILL, ILL_ILLTRP, addr, scno);
diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
index befde0e..6f9839d 100644
--- a/arch/arm64/kernel/syscall.c
+++ b/arch/arm64/kernel/syscall.c
@@ -119,7 +119,7 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr,
cortex_a76_erratum_1463225_svc_handler();
local_daif_restore(DAIF_PROCCTX);
- if (system_supports_mte() && (flags & _TIF_MTE_ASYNC_FAULT)) {
+ if (flags & _TIF_MTE_ASYNC_FAULT) {
/*
* Process the asynchronous tag check fault before the actual
* syscall. do_notify_resume() will send a signal to userspace
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index 2059d8f..6c39a61 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -46,6 +46,8 @@
#include <asm/system_misc.h>
#include <asm/sysreg.h>
+#include <trace/hooks/traps.h>
+
static const char *handler[]= {
"Synchronous Abort",
"IRQ",
@@ -171,32 +173,32 @@ static void arm64_show_signal(int signo, const char *str)
__show_regs(regs);
}
-void arm64_force_sig_fault(int signo, int code, void __user *addr,
+void arm64_force_sig_fault(int signo, int code, unsigned long far,
const char *str)
{
arm64_show_signal(signo, str);
if (signo == SIGKILL)
force_sig(SIGKILL);
else
- force_sig_fault(signo, code, addr);
+ force_sig_fault(signo, code, (void __user *)far);
}
-void arm64_force_sig_mceerr(int code, void __user *addr, short lsb,
+void arm64_force_sig_mceerr(int code, unsigned long far, short lsb,
const char *str)
{
arm64_show_signal(SIGBUS, str);
- force_sig_mceerr(code, addr, lsb);
+ force_sig_mceerr(code, (void __user *)far, lsb);
}
-void arm64_force_sig_ptrace_errno_trap(int errno, void __user *addr,
+void arm64_force_sig_ptrace_errno_trap(int errno, unsigned long far,
const char *str)
{
arm64_show_signal(SIGTRAP, str);
- force_sig_ptrace_errno_trap(errno, addr);
+ force_sig_ptrace_errno_trap(errno, (void __user *)far);
}
void arm64_notify_die(const char *str, struct pt_regs *regs,
- int signo, int sicode, void __user *addr,
+ int signo, int sicode, unsigned long far,
int err)
{
if (user_mode(regs)) {
@@ -204,7 +206,7 @@ void arm64_notify_die(const char *str, struct pt_regs *regs,
current->thread.fault_address = 0;
current->thread.fault_code = err;
- arm64_force_sig_fault(signo, sicode, addr, str);
+ arm64_force_sig_fault(signo, sicode, far, str);
} else {
die(str, regs, err);
}
@@ -375,7 +377,7 @@ void force_signal_inject(int signal, int code, unsigned long address, unsigned i
signal = SIGKILL;
}
- arm64_notify_die(desc, regs, signal, code, (void __user *)address, err);
+ arm64_notify_die(desc, regs, signal, code, address, err);
}
/*
@@ -386,7 +388,7 @@ void arm64_notify_segfault(unsigned long addr)
int code;
mmap_read_lock(current->mm);
- if (find_vma(current->mm, addr) == NULL)
+ if (find_vma(current->mm, untagged_addr(addr)) == NULL)
code = SEGV_MAPERR;
else
code = SEGV_ACCERR;
@@ -404,6 +406,7 @@ void do_undefinstr(struct pt_regs *regs)
if (call_undef_hook(regs) == 0)
return;
+ trace_android_rvh_do_undefinstr(regs, user_mode(regs));
BUG_ON(!user_mode(regs));
force_signal_inject(SIGILL, ILL_ILLOPC, regs->pc, 0);
}
@@ -411,6 +414,7 @@ NOKPROBE_SYMBOL(do_undefinstr);
void do_bti(struct pt_regs *regs)
{
+ trace_android_rvh_do_bti(regs, user_mode(regs));
BUG_ON(!user_mode(regs));
force_signal_inject(SIGILL, ILL_ILLOPC, regs->pc, 0);
}
@@ -422,6 +426,7 @@ void do_ptrauth_fault(struct pt_regs *regs, unsigned int esr)
* Unexpected FPAC exception or pointer authentication failure in
* the kernel: kill the task before it does any more harm.
*/
+ trace_android_rvh_do_ptrauth_fault(regs, esr, user_mode(regs));
BUG_ON(!user_mode(regs));
force_signal_inject(SIGILL, ILL_ILLOPN, regs->pc, esr);
}
@@ -449,12 +454,13 @@ NOKPROBE_SYMBOL(do_ptrauth_fault);
static void user_cache_maint_handler(unsigned int esr, struct pt_regs *regs)
{
- unsigned long address;
+ unsigned long tagged_address, address;
int rt = ESR_ELx_SYS64_ISS_RT(esr);
int crm = (esr & ESR_ELx_SYS64_ISS_CRM_MASK) >> ESR_ELx_SYS64_ISS_CRM_SHIFT;
int ret = 0;
- address = untagged_addr(pt_regs_read_reg(regs, rt));
+ tagged_address = pt_regs_read_reg(regs, rt);
+ address = untagged_addr(tagged_address);
switch (crm) {
case ESR_ELx_SYS64_ISS_CRM_DC_CVAU: /* DC CVAU, gets promoted */
@@ -481,7 +487,7 @@ static void user_cache_maint_handler(unsigned int esr, struct pt_regs *regs)
}
if (ret)
- arm64_notify_segfault(address);
+ arm64_notify_segfault(tagged_address);
else
arm64_skip_faulting_instruction(regs, AARCH64_INSN_SIZE);
}
@@ -764,6 +770,7 @@ asmlinkage void notrace bad_mode(struct pt_regs *regs, int reason, unsigned int
handler[reason], smp_processor_id(), esr,
esr_get_class_string(esr));
+ trace_android_rvh_bad_mode(regs, esr, reason);
__show_regs(regs);
local_daif_mask();
panic("bad mode");
@@ -775,7 +782,7 @@ asmlinkage void notrace bad_mode(struct pt_regs *regs, int reason, unsigned int
*/
void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr)
{
- void __user *pc = (void __user *)instruction_pointer(regs);
+ unsigned long pc = instruction_pointer(regs);
current->thread.fault_address = 0;
current->thread.fault_code = esr;
@@ -829,6 +836,8 @@ void __noreturn arm64_serror_panic(struct pt_regs *regs, u32 esr)
pr_crit("SError Interrupt on CPU%d, code 0x%08x -- %s\n",
smp_processor_id(), esr, esr_get_class_string(esr));
+
+ trace_android_rvh_arm64_serror_panic(regs, esr);
if (regs)
__show_regs(regs);
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index d65f522..5865ab8 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -28,9 +28,10 @@
$(btildflags-y) -T
ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18
-ccflags-y += -DDISABLE_BRANCH_PROFILING
+ccflags-y += -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO
-CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) $(GCC_PLUGINS_CFLAGS)
+CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) $(GCC_PLUGINS_CFLAGS) \
+ $(CC_FLAGS_LTO)
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
OBJECT_FILES_NON_STANDARD := y
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index a463b9b..a33c748 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -10,15 +10,7 @@
# Same as cc-*option, but using CC_COMPAT instead of CC
ifeq ($(CONFIG_CC_IS_CLANG), y)
-COMPAT_GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE_COMPAT)elfedit))
-COMPAT_GCC_TOOLCHAIN := $(realpath $(COMPAT_GCC_TOOLCHAIN_DIR)/..)
-
CC_COMPAT_CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE_COMPAT:%-=%))
-CC_COMPAT_CLANG_FLAGS += --prefix=$(COMPAT_GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE_COMPAT))
-CC_COMPAT_CLANG_FLAGS += -no-integrated-as -Qunused-arguments
-ifneq ($(COMPAT_GCC_TOOLCHAIN),)
-CC_COMPAT_CLANG_FLAGS += --gcc-toolchain=$(COMPAT_GCC_TOOLCHAIN)
-endif
CC_COMPAT ?= $(CC)
CC_COMPAT += $(CC_COMPAT_CLANG_FLAGS)
@@ -48,7 +40,7 @@
# As a result we set our own flags here.
# KBUILD_CPPFLAGS and NOSTDINC_FLAGS from top-level Makefile
-VDSO_CPPFLAGS := -D__KERNEL__ -nostdinc
+VDSO_CPPFLAGS := -DBUILD_VDSO -D__KERNEL__ -nostdinc
VDSO_CPPFLAGS += -isystem $(shell $(CC_COMPAT) -print-file-name=include 2>/dev/null)
VDSO_CPPFLAGS += $(LINUXINCLUDE)
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 30c1029..b00961b 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -5,12 +5,63 @@
* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
*/
+#include <asm/hyp_image.h>
+#ifdef CONFIG_KVM
+#define HYPERVISOR_EXTABLE \
+ . = ALIGN(SZ_8); \
+ __start___kvm_ex_table = .; \
+ *(__kvm_ex_table) \
+ __stop___kvm_ex_table = .;
+
+#define HYPERVISOR_DATA_SECTIONS \
+ HYP_SECTION_NAME(.rodata) : { \
+ . = ALIGN(PAGE_SIZE); \
+ __hyp_rodata_start = .; \
+ *(HYP_SECTION_NAME(.data..ro_after_init)) \
+ *(HYP_SECTION_NAME(.rodata)) \
+ . = ALIGN(PAGE_SIZE); \
+ __hyp_rodata_end = .; \
+ }
+
+#define HYPERVISOR_PERCPU_SECTION \
+ . = ALIGN(PAGE_SIZE); \
+ HYP_SECTION_NAME(.data..percpu) : { \
+ *(HYP_SECTION_NAME(.data..percpu)) \
+ }
+
+#define HYPERVISOR_RELOC_SECTION \
+ .hyp.reloc : ALIGN(4) { \
+ __hyp_reloc_begin = .; \
+ *(.hyp.reloc) \
+ __hyp_reloc_end = .; \
+ }
+
+#define BSS_FIRST_SECTIONS \
+ __hyp_bss_start = .; \
+ *(HYP_SECTION_NAME(.bss)) \
+ . = ALIGN(PAGE_SIZE); \
+ __hyp_bss_end = .;
+
+/*
+ * We require that __hyp_bss_start and __bss_start are aligned, and enforce it
+ * with an assertion. But the BSS_SECTION macro places an empty .sbss section
+ * between them, which can in some cases cause the linker to misalign them. To
+ * work around the issue, force a page alignment for __bss_start.
+ */
+#define SBSS_ALIGN PAGE_SIZE
+#else /* CONFIG_KVM */
+#define HYPERVISOR_EXTABLE
+#define HYPERVISOR_DATA_SECTIONS
+#define HYPERVISOR_PERCPU_SECTION
+#define HYPERVISOR_RELOC_SECTION
+#define SBSS_ALIGN 0
+#endif
+
#define RO_EXCEPTION_TABLE_ALIGN 8
#define RUNTIME_DISCARD_EXIT
#include <asm-generic/vmlinux.lds.h>
#include <asm/cache.h>
-#include <asm/hyp_image.h>
#include <asm/kernel-pgtable.h>
#include <asm/memory.h>
#include <asm/page.h>
@@ -22,40 +73,15 @@
jiffies = jiffies_64;
-
-#ifdef CONFIG_KVM
-#define HYPERVISOR_EXTABLE \
- . = ALIGN(SZ_8); \
- __start___kvm_ex_table = .; \
- *(__kvm_ex_table) \
- __stop___kvm_ex_table = .;
-
-#define HYPERVISOR_PERCPU_SECTION \
- . = ALIGN(PAGE_SIZE); \
- HYP_SECTION_NAME(.data..percpu) : { \
- *(HYP_SECTION_NAME(.data..percpu)) \
- }
-#else /* CONFIG_KVM */
-#define HYPERVISOR_EXTABLE
-#define HYPERVISOR_PERCPU_SECTION
-#endif
-
#define HYPERVISOR_TEXT \
- /* \
- * Align to 4 KB so that \
- * a) the HYP vector table is at its minimum \
- * alignment of 2048 bytes \
- * b) the HYP init code will not cross a page \
- * boundary if its size does not exceed \
- * 4 KB (see related ASSERT() below) \
- */ \
- . = ALIGN(SZ_4K); \
+ . = ALIGN(PAGE_SIZE); \
__hyp_idmap_text_start = .; \
*(.hyp.idmap.text) \
__hyp_idmap_text_end = .; \
__hyp_text_start = .; \
*(.hyp.text) \
HYPERVISOR_EXTABLE \
+ . = ALIGN(PAGE_SIZE); \
__hyp_text_end = .;
#define IDMAP_TEXT \
@@ -155,6 +181,8 @@
/* everything from this point to __init_begin will be marked RO NX */
RO_DATA(PAGE_SIZE)
+ HYPERVISOR_DATA_SECTIONS
+
idmap_pg_dir = .;
. += IDMAP_DIR_SIZE;
idmap_pg_end = .;
@@ -199,7 +227,7 @@
INIT_CALLS
CON_INITCALL
INIT_RAM_FS
- *(.init.rodata.* .init.bss) /* from the EFI stub */
+ *(.init.altinstructions .init.rodata.* .init.bss) /* from the EFI stub */
}
.exit.data : {
EXIT_DATA
@@ -208,6 +236,8 @@
PERCPU_SECTION(L1_CACHE_BYTES)
HYPERVISOR_PERCPU_SECTION
+ HYPERVISOR_RELOC_SECTION
+
.rela.dyn : ALIGN(8) {
*(.rela .rela*)
}
@@ -254,7 +284,7 @@
__pecoff_data_rawsize = ABSOLUTE(. - __initdata_begin);
_edata = .;
- BSS_SECTION(0, 0, 0)
+ BSS_SECTION(SBSS_ALIGN, 0, 0)
. = ALIGN(PAGE_SIZE);
init_pg_dir = .;
@@ -287,11 +317,12 @@
#include "image-vars.h"
/*
- * The HYP init code and ID map text can't be longer than a page each,
- * and should not cross a page boundary.
+ * The HYP init code and ID map text can't be longer than a page each. The
+ * former is page-aligned, but the latter may not be with 16K or 64K pages, so
+ * it should also not cross a page boundary.
*/
-ASSERT(__hyp_idmap_text_end - (__hyp_idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K,
- "HYP init code too big or misaligned")
+ASSERT(__hyp_idmap_text_end - __hyp_idmap_text_start <= PAGE_SIZE,
+ "HYP init code too big")
ASSERT(__idmap_text_end - (__idmap_text_start & ~(SZ_4K - 1)) <= SZ_4K,
"ID map text too big or misaligned")
#ifdef CONFIG_HIBERNATION
@@ -302,6 +333,9 @@
ASSERT((__entry_tramp_text_end - __entry_tramp_text_start) == PAGE_SIZE,
"Entry trampoline text too big")
#endif
+#ifdef CONFIG_KVM
+ASSERT(__hyp_bss_start == __bss_start, "HYP and Host BSS are misaligned")
+#endif
/*
* If padding is applied before .head.text, virt<->phys conversions will fail.
*/
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index 043756d..3964acf 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -49,14 +49,6 @@
source "virt/kvm/Kconfig"
-config KVM_ARM_PMU
- bool "Virtual Performance Monitoring Unit (PMU) support"
- depends on HW_PERF_EVENTS
- default y
- help
- Adds support for a virtual Performance Monitoring Unit (PMU) in
- virtual machines.
-
endif # KVM
endif # VIRTUALIZATION
diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile
index 1504c81..5899213 100644
--- a/arch/arm64/kvm/Makefile
+++ b/arch/arm64/kvm/Makefile
@@ -13,10 +13,10 @@
kvm-y := $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o \
$(KVM)/vfio.o $(KVM)/irqchip.o \
arm.o mmu.o mmio.o psci.o perf.o hypercalls.o pvtime.o \
- inject_fault.o regmap.o va_layout.o handle_exit.o \
+ inject_fault.o va_layout.o handle_exit.o \
guest.o debug.o reset.o sys_regs.o \
vgic-sys-reg-v3.o fpsimd.o pmu.o \
- aarch32.o arch_timer.o \
+ arch_timer.o trng.o\
vgic/vgic.o vgic/vgic-init.o \
vgic/vgic-irqfd.o vgic/vgic-v2.o \
vgic/vgic-v3.o vgic/vgic-v4.o \
@@ -24,4 +24,4 @@
vgic/vgic-mmio-v3.o vgic/vgic-kvm-device.o \
vgic/vgic-its.o vgic/vgic-debug.o
-kvm-$(CONFIG_KVM_ARM_PMU) += pmu-emul.o
+kvm-$(CONFIG_HW_PERF_EVENTS) += pmu-emul.o
diff --git a/arch/arm64/kvm/aarch32.c b/arch/arm64/kvm/aarch32.c
deleted file mode 100644
index 40a62a9..0000000
--- a/arch/arm64/kvm/aarch32.c
+++ /dev/null
@@ -1,232 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * (not much of an) Emulation layer for 32bit guests.
- *
- * Copyright (C) 2012,2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * based on arch/arm/kvm/emulate.c
- * Copyright (C) 2012 - Virtual Open Systems and Columbia University
- * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- */
-
-#include <linux/bits.h>
-#include <linux/kvm_host.h>
-#include <asm/kvm_emulate.h>
-#include <asm/kvm_hyp.h>
-
-#define DFSR_FSC_EXTABT_LPAE 0x10
-#define DFSR_FSC_EXTABT_nLPAE 0x08
-#define DFSR_LPAE BIT(9)
-
-/*
- * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
- */
-static const u8 return_offsets[8][2] = {
- [0] = { 0, 0 }, /* Reset, unused */
- [1] = { 4, 2 }, /* Undefined */
- [2] = { 0, 0 }, /* SVC, unused */
- [3] = { 4, 4 }, /* Prefetch abort */
- [4] = { 8, 8 }, /* Data abort */
- [5] = { 0, 0 }, /* HVC, unused */
- [6] = { 4, 4 }, /* IRQ, unused */
- [7] = { 4, 4 }, /* FIQ, unused */
-};
-
-static bool pre_fault_synchronize(struct kvm_vcpu *vcpu)
-{
- preempt_disable();
- if (vcpu->arch.sysregs_loaded_on_cpu) {
- kvm_arch_vcpu_put(vcpu);
- return true;
- }
-
- preempt_enable();
- return false;
-}
-
-static void post_fault_synchronize(struct kvm_vcpu *vcpu, bool loaded)
-{
- if (loaded) {
- kvm_arch_vcpu_load(vcpu, smp_processor_id());
- preempt_enable();
- }
-}
-
-/*
- * When an exception is taken, most CPSR fields are left unchanged in the
- * handler. However, some are explicitly overridden (e.g. M[4:0]).
- *
- * The SPSR/SPSR_ELx layouts differ, and the below is intended to work with
- * either format. Note: SPSR.J bit doesn't exist in SPSR_ELx, but this bit was
- * obsoleted by the ARMv7 virtualization extensions and is RES0.
- *
- * For the SPSR layout seen from AArch32, see:
- * - ARM DDI 0406C.d, page B1-1148
- * - ARM DDI 0487E.a, page G8-6264
- *
- * For the SPSR_ELx layout for AArch32 seen from AArch64, see:
- * - ARM DDI 0487E.a, page C5-426
- *
- * Here we manipulate the fields in order of the AArch32 SPSR_ELx layout, from
- * MSB to LSB.
- */
-static unsigned long get_except32_cpsr(struct kvm_vcpu *vcpu, u32 mode)
-{
- u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR);
- unsigned long old, new;
-
- old = *vcpu_cpsr(vcpu);
- new = 0;
-
- new |= (old & PSR_AA32_N_BIT);
- new |= (old & PSR_AA32_Z_BIT);
- new |= (old & PSR_AA32_C_BIT);
- new |= (old & PSR_AA32_V_BIT);
- new |= (old & PSR_AA32_Q_BIT);
-
- // CPSR.IT[7:0] are set to zero upon any exception
- // See ARM DDI 0487E.a, section G1.12.3
- // See ARM DDI 0406C.d, section B1.8.3
-
- new |= (old & PSR_AA32_DIT_BIT);
-
- // CPSR.SSBS is set to SCTLR.DSSBS upon any exception
- // See ARM DDI 0487E.a, page G8-6244
- if (sctlr & BIT(31))
- new |= PSR_AA32_SSBS_BIT;
-
- // CPSR.PAN is unchanged unless SCTLR.SPAN == 0b0
- // SCTLR.SPAN is RES1 when ARMv8.1-PAN is not implemented
- // See ARM DDI 0487E.a, page G8-6246
- new |= (old & PSR_AA32_PAN_BIT);
- if (!(sctlr & BIT(23)))
- new |= PSR_AA32_PAN_BIT;
-
- // SS does not exist in AArch32, so ignore
-
- // CPSR.IL is set to zero upon any exception
- // See ARM DDI 0487E.a, page G1-5527
-
- new |= (old & PSR_AA32_GE_MASK);
-
- // CPSR.IT[7:0] are set to zero upon any exception
- // See prior comment above
-
- // CPSR.E is set to SCTLR.EE upon any exception
- // See ARM DDI 0487E.a, page G8-6245
- // See ARM DDI 0406C.d, page B4-1701
- if (sctlr & BIT(25))
- new |= PSR_AA32_E_BIT;
-
- // CPSR.A is unchanged upon an exception to Undefined, Supervisor
- // CPSR.A is set upon an exception to other modes
- // See ARM DDI 0487E.a, pages G1-5515 to G1-5516
- // See ARM DDI 0406C.d, page B1-1182
- new |= (old & PSR_AA32_A_BIT);
- if (mode != PSR_AA32_MODE_UND && mode != PSR_AA32_MODE_SVC)
- new |= PSR_AA32_A_BIT;
-
- // CPSR.I is set upon any exception
- // See ARM DDI 0487E.a, pages G1-5515 to G1-5516
- // See ARM DDI 0406C.d, page B1-1182
- new |= PSR_AA32_I_BIT;
-
- // CPSR.F is set upon an exception to FIQ
- // CPSR.F is unchanged upon an exception to other modes
- // See ARM DDI 0487E.a, pages G1-5515 to G1-5516
- // See ARM DDI 0406C.d, page B1-1182
- new |= (old & PSR_AA32_F_BIT);
- if (mode == PSR_AA32_MODE_FIQ)
- new |= PSR_AA32_F_BIT;
-
- // CPSR.T is set to SCTLR.TE upon any exception
- // See ARM DDI 0487E.a, page G8-5514
- // See ARM DDI 0406C.d, page B1-1181
- if (sctlr & BIT(30))
- new |= PSR_AA32_T_BIT;
-
- new |= mode;
-
- return new;
-}
-
-static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
-{
- unsigned long spsr = *vcpu_cpsr(vcpu);
- bool is_thumb = (spsr & PSR_AA32_T_BIT);
- u32 return_offset = return_offsets[vect_offset >> 2][is_thumb];
- u32 sctlr = vcpu_cp15(vcpu, c1_SCTLR);
-
- *vcpu_cpsr(vcpu) = get_except32_cpsr(vcpu, mode);
-
- /* Note: These now point to the banked copies */
- vcpu_write_spsr(vcpu, host_spsr_to_spsr32(spsr));
- *vcpu_reg32(vcpu, 14) = *vcpu_pc(vcpu) + return_offset;
-
- /* Branch to exception vector */
- if (sctlr & (1 << 13))
- vect_offset += 0xffff0000;
- else /* always have security exceptions */
- vect_offset += vcpu_cp15(vcpu, c12_VBAR);
-
- *vcpu_pc(vcpu) = vect_offset;
-}
-
-void kvm_inject_undef32(struct kvm_vcpu *vcpu)
-{
- bool loaded = pre_fault_synchronize(vcpu);
-
- prepare_fault32(vcpu, PSR_AA32_MODE_UND, 4);
- post_fault_synchronize(vcpu, loaded);
-}
-
-/*
- * Modelled after TakeDataAbortException() and TakePrefetchAbortException
- * pseudocode.
- */
-static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt,
- unsigned long addr)
-{
- u32 vect_offset;
- u32 *far, *fsr;
- bool is_lpae;
- bool loaded;
-
- loaded = pre_fault_synchronize(vcpu);
-
- if (is_pabt) {
- vect_offset = 12;
- far = &vcpu_cp15(vcpu, c6_IFAR);
- fsr = &vcpu_cp15(vcpu, c5_IFSR);
- } else { /* !iabt */
- vect_offset = 16;
- far = &vcpu_cp15(vcpu, c6_DFAR);
- fsr = &vcpu_cp15(vcpu, c5_DFSR);
- }
-
- prepare_fault32(vcpu, PSR_AA32_MODE_ABT, vect_offset);
-
- *far = addr;
-
- /* Give the guest an IMPLEMENTATION DEFINED exception */
- is_lpae = (vcpu_cp15(vcpu, c2_TTBCR) >> 31);
- if (is_lpae) {
- *fsr = DFSR_LPAE | DFSR_FSC_EXTABT_LPAE;
- } else {
- /* no need to shuffle FS[4] into DFSR[10] as its 0 */
- *fsr = DFSR_FSC_EXTABT_nLPAE;
- }
-
- post_fault_synchronize(vcpu, loaded);
-}
-
-void kvm_inject_dabt32(struct kvm_vcpu *vcpu, unsigned long addr)
-{
- inject_abt32(vcpu, false, addr);
-}
-
-void kvm_inject_pabt32(struct kvm_vcpu *vcpu, unsigned long addr)
-{
- inject_abt32(vcpu, true, addr);
-}
diff --git a/arch/arm64/kvm/arch_timer.c b/arch/arm64/kvm/arch_timer.c
index 32ba6fb..74e0699 100644
--- a/arch/arm64/kvm/arch_timer.c
+++ b/arch/arm64/kvm/arch_timer.c
@@ -1129,9 +1129,10 @@ int kvm_timer_enable(struct kvm_vcpu *vcpu)
if (!irqchip_in_kernel(vcpu->kvm))
goto no_vgic;
- if (!vgic_initialized(vcpu->kvm))
- return -ENODEV;
-
+ /*
+ * At this stage, we have the guarantee that the vgic is both
+ * available and initialized.
+ */
if (!timer_irqs_are_valid(vcpu)) {
kvm_debug("incorrectly configured timer irqs\n");
return -EINVAL;
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 5bc978b..f3b67a4 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -15,10 +15,12 @@
#include <linux/fs.h>
#include <linux/mman.h>
#include <linux/sched.h>
+#include <linux/kmemleak.h>
#include <linux/kvm.h>
#include <linux/kvm_irqfd.h>
#include <linux/irqbypass.h>
#include <linux/sched/stat.h>
+#include <linux/psci.h>
#include <trace/events/kvm.h>
#define CREATE_TRACE_POINTS
@@ -35,7 +37,6 @@
#include <asm/kvm_asm.h>
#include <asm/kvm_mmu.h>
#include <asm/kvm_emulate.h>
-#include <asm/kvm_coproc.h>
#include <asm/sections.h>
#include <kvm/arm_hypercalls.h>
@@ -46,10 +47,14 @@
__asm__(".arch_extension virt");
#endif
+static enum kvm_mode kvm_mode = KVM_MODE_DEFAULT;
+DEFINE_STATIC_KEY_FALSE(kvm_protected_mode_initialized);
+
DECLARE_KVM_HYP_PER_CPU(unsigned long, kvm_hyp_vector);
static DEFINE_PER_CPU(unsigned long, kvm_arm_hyp_stack_page);
unsigned long kvm_arm_hyp_percpu_base[NR_CPUS];
+DECLARE_KVM_NVHE_PER_CPU(struct kvm_nvhe_init_params, kvm_init_params);
/* The VMID used in the VTTBR */
static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1);
@@ -102,7 +107,7 @@ static int kvm_arm_default_max_vcpus(void)
return vgic_present ? kvm_vgic_get_max_vcpus() : KVM_MAX_VCPUS;
}
-static void set_default_csv2(struct kvm *kvm)
+static void set_default_spectre(struct kvm *kvm)
{
/*
* The default is to expose CSV2 == 1 if the HW isn't affected.
@@ -114,6 +119,8 @@ static void set_default_csv2(struct kvm *kvm)
*/
if (arm64_get_spectre_v2_state() == SPECTRE_UNAFFECTED)
kvm->arch.pfr0_csv2 = 1;
+ if (arm64_get_meltdown_state() == SPECTRE_UNAFFECTED)
+ kvm->arch.pfr0_csv3 = 1;
}
/**
@@ -141,7 +148,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
/* The maximum number of VCPUs is limited by the host's GIC model */
kvm->arch.max_vcpus = kvm_arm_default_max_vcpus();
- set_default_csv2(kvm);
+ set_default_spectre(kvm);
return ret;
out_free_stage2_pgd:
@@ -198,6 +205,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_ARM_IRQ_LINE_LAYOUT_2:
case KVM_CAP_ARM_NISV_TO_USER:
case KVM_CAP_ARM_INJECT_EXT_DABT:
+ case KVM_CAP_SET_GUEST_DEBUG:
+ case KVM_CAP_VCPU_ATTRIBUTES:
r = 1;
break;
case KVM_CAP_ARM_SET_DEVICE_ADDR:
@@ -229,10 +238,35 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_STEAL_TIME:
r = kvm_arm_pvtime_supported();
break;
- default:
- r = kvm_arch_vm_ioctl_check_extension(kvm, ext);
+ case KVM_CAP_ARM_EL1_32BIT:
+ r = cpus_have_const_cap(ARM64_HAS_32BIT_EL1);
break;
+ case KVM_CAP_GUEST_DEBUG_HW_BPS:
+ r = get_num_brps();
+ break;
+ case KVM_CAP_GUEST_DEBUG_HW_WPS:
+ r = get_num_wrps();
+ break;
+ case KVM_CAP_ARM_PMU_V3:
+ r = kvm_arm_support_pmu_v3();
+ break;
+ case KVM_CAP_ARM_INJECT_SERROR_ESR:
+ r = cpus_have_const_cap(ARM64_HAS_RAS_EXTN);
+ break;
+ case KVM_CAP_ARM_VM_IPA_SIZE:
+ r = get_kvm_ipa_limit();
+ break;
+ case KVM_CAP_ARM_SVE:
+ r = system_supports_sve();
+ break;
+ case KVM_CAP_ARM_PTRAUTH_ADDRESS:
+ case KVM_CAP_ARM_PTRAUTH_GENERIC:
+ r = system_has_full_ptr_auth();
+ break;
+ default:
+ r = 0;
}
+
return r;
}
@@ -383,10 +417,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
if (vcpu_has_ptrauth(vcpu))
vcpu_ptrauth_disable(vcpu);
+ kvm_arch_vcpu_load_debug_state_flags(vcpu);
}
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
{
+ kvm_arch_vcpu_put_debug_state_flags(vcpu);
kvm_arch_vcpu_put_fp(vcpu);
if (has_vhe())
kvm_vcpu_put_sysregs_vhe(vcpu);
@@ -554,11 +590,9 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
* Map the VGIC hardware resources before running a vcpu the
* first time on this VM.
*/
- if (unlikely(!vgic_ready(kvm))) {
- ret = kvm_vgic_map_resources(kvm);
- if (ret)
- return ret;
- }
+ ret = kvm_vgic_map_resources(kvm);
+ if (ret)
+ return ret;
} else {
/*
* Tell the rest of the code that there are userspace irqchip
@@ -656,6 +690,15 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu)
}
}
+static bool vcpu_mode_is_bad_32bit(struct kvm_vcpu *vcpu)
+{
+ if (likely(!vcpu_mode_is_32bit(vcpu)))
+ return false;
+
+ return !system_supports_32bit_el0() ||
+ static_branch_unlikely(&arm64_mismatched_32bit_el0);
+}
+
/**
* kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code
* @vcpu: The VCPU pointer
@@ -839,7 +882,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
* with the asymmetric AArch32 case), return to userspace with
* a fatal error.
*/
- if (!system_supports_32bit_el0() && vcpu_mode_is_32bit(vcpu)) {
+ if (vcpu_mode_is_bad_32bit(vcpu)) {
/*
* As we have caught the guest red-handed, decide that
* it isn't fit for purpose anymore by making the vcpu
@@ -1326,63 +1369,97 @@ static unsigned long nvhe_percpu_order(void)
return size ? get_order(size) : 0;
}
-static int kvm_map_vectors(void)
+/* A lookup table holding the hypervisor VA for each vector slot */
+static void *hyp_spectre_vector_selector[BP_HARDEN_EL2_SLOTS];
+
+static void kvm_init_vector_slot(void *base, enum arm64_hyp_spectre_vector slot)
{
- /*
- * SV2 = ARM64_SPECTRE_V2
- * HEL2 = ARM64_HARDEN_EL2_VECTORS
- *
- * !SV2 + !HEL2 -> use direct vectors
- * SV2 + !HEL2 -> use hardened vectors in place
- * !SV2 + HEL2 -> allocate one vector slot and use exec mapping
- * SV2 + HEL2 -> use hardened vectors and use exec mapping
- */
- if (cpus_have_const_cap(ARM64_SPECTRE_V2)) {
- __kvm_bp_vect_base = kvm_ksym_ref(__bp_harden_hyp_vecs);
- __kvm_bp_vect_base = kern_hyp_va(__kvm_bp_vect_base);
+ hyp_spectre_vector_selector[slot] = __kvm_vector_slot2addr(base, slot);
+}
+
+static int kvm_init_vector_slots(void)
+{
+ int err;
+ void *base;
+
+ base = kern_hyp_va(kvm_ksym_ref(__kvm_hyp_vector));
+ kvm_init_vector_slot(base, HYP_VECTOR_DIRECT);
+
+ base = kern_hyp_va(kvm_ksym_ref(__bp_harden_hyp_vecs));
+ kvm_init_vector_slot(base, HYP_VECTOR_SPECTRE_DIRECT);
+
+ if (!cpus_have_const_cap(ARM64_SPECTRE_V3A))
+ return 0;
+
+ if (!has_vhe()) {
+ err = create_hyp_exec_mappings(__pa_symbol(__bp_harden_hyp_vecs),
+ __BP_HARDEN_HYP_VECS_SZ, &base);
+ if (err)
+ return err;
}
- if (cpus_have_const_cap(ARM64_HARDEN_EL2_VECTORS)) {
- phys_addr_t vect_pa = __pa_symbol(__bp_harden_hyp_vecs);
- unsigned long size = __BP_HARDEN_HYP_VECS_SZ;
-
- /*
- * Always allocate a spare vector slot, as we don't
- * know yet which CPUs have a BP hardening slot that
- * we can reuse.
- */
- __kvm_harden_el2_vector_slot = atomic_inc_return(&arm64_el2_vector_last_slot);
- BUG_ON(__kvm_harden_el2_vector_slot >= BP_HARDEN_EL2_SLOTS);
- return create_hyp_exec_mappings(vect_pa, size,
- &__kvm_bp_vect_base);
- }
-
+ kvm_init_vector_slot(base, HYP_VECTOR_INDIRECT);
+ kvm_init_vector_slot(base, HYP_VECTOR_SPECTRE_INDIRECT);
return 0;
}
-static void cpu_init_hyp_mode(void)
+static void cpu_prepare_hyp_mode(int cpu)
{
- phys_addr_t pgd_ptr;
- unsigned long hyp_stack_ptr;
- unsigned long vector_ptr;
- unsigned long tpidr_el2;
- struct arm_smccc_res res;
-
- /* Switch from the HYP stub to our own HYP init vector */
- __hyp_set_vectors(kvm_get_idmap_vector());
+ struct kvm_nvhe_init_params *params = per_cpu_ptr_nvhe_sym(kvm_init_params, cpu);
+ unsigned long tcr;
/*
* Calculate the raw per-cpu offset without a translation from the
* kernel's mapping to the linear mapping, and store it in tpidr_el2
* so that we can use adr_l to access per-cpu variables in EL2.
+ * Also drop the KASAN tag which gets in the way...
*/
- tpidr_el2 = (unsigned long)this_cpu_ptr_nvhe_sym(__per_cpu_start) -
- (unsigned long)kvm_ksym_ref(CHOOSE_NVHE_SYM(__per_cpu_start));
+ params->tpidr_el2 = (unsigned long)kasan_reset_tag(per_cpu_ptr_nvhe_sym(__per_cpu_start, cpu)) -
+ (unsigned long)kvm_ksym_ref(CHOOSE_NVHE_SYM(__per_cpu_start));
- pgd_ptr = kvm_mmu_get_httbr();
- hyp_stack_ptr = __this_cpu_read(kvm_arm_hyp_stack_page) + PAGE_SIZE;
- hyp_stack_ptr = kern_hyp_va(hyp_stack_ptr);
- vector_ptr = (unsigned long)kern_hyp_va(kvm_ksym_ref(__kvm_hyp_host_vector));
+ params->mair_el2 = read_sysreg(mair_el1);
+
+ /*
+ * The ID map may be configured to use an extended virtual address
+ * range. This is only the case if system RAM is out of range for the
+ * currently configured page size and VA_BITS, in which case we will
+ * also need the extended virtual range for the HYP ID map, or we won't
+ * be able to enable the EL2 MMU.
+ *
+ * However, at EL2, there is only one TTBR register, and we can't switch
+ * between translation tables *and* update TCR_EL2.T0SZ at the same
+ * time. Bottom line: we need to use the extended range with *both* our
+ * translation tables.
+ *
+ * So use the same T0SZ value we use for the ID map.
+ */
+ tcr = (read_sysreg(tcr_el1) & TCR_EL2_MASK) | TCR_EL2_RES1;
+ tcr &= ~TCR_T0SZ_MASK;
+ tcr |= (idmap_t0sz & GENMASK(TCR_TxSZ_WIDTH - 1, 0)) << TCR_T0SZ_OFFSET;
+ params->tcr_el2 = tcr;
+
+ params->stack_hyp_va = kern_hyp_va(per_cpu(kvm_arm_hyp_stack_page, cpu) + PAGE_SIZE);
+ params->pgd_pa = kvm_mmu_get_httbr();
+ if (is_protected_kvm_enabled())
+ params->hcr_el2 = HCR_HOST_NVHE_PROTECTED_FLAGS;
+ else
+ params->hcr_el2 = HCR_HOST_NVHE_FLAGS;
+ params->vttbr = params->vtcr = 0;
+
+ /*
+ * Flush the init params from the data cache because the struct will
+ * be read while the MMU is off.
+ */
+ kvm_flush_dcache_to_poc(params, sizeof(*params));
+}
+
+static void hyp_install_host_vector(void)
+{
+ struct kvm_nvhe_init_params *params;
+ struct arm_smccc_res res;
+
+ /* Switch from the HYP stub to our own HYP init vector */
+ __hyp_set_vectors(kvm_get_idmap_vector());
/*
* Call initialization code, and switch to the full blown HYP code.
@@ -1391,9 +1468,14 @@ static void cpu_init_hyp_mode(void)
* cpus_have_const_cap() wrapper.
*/
BUG_ON(!system_capabilities_finalized());
- arm_smccc_1_1_hvc(KVM_HOST_SMCCC_FUNC(__kvm_hyp_init),
- pgd_ptr, tpidr_el2, hyp_stack_ptr, vector_ptr, &res);
+ params = this_cpu_ptr_nvhe_sym(kvm_init_params);
+ arm_smccc_1_1_hvc(KVM_HOST_SMCCC_FUNC(__kvm_hyp_init), virt_to_phys(params), &res);
WARN_ON(res.a0 != SMCCC_RET_SUCCESS);
+}
+
+static void cpu_init_hyp_mode(void)
+{
+ hyp_install_host_vector();
/*
* Disabling SSBD on a non-VHE system requires us to enable SSBS
@@ -1411,19 +1493,50 @@ static void cpu_hyp_reset(void)
__hyp_reset_vectors();
}
+/*
+ * EL2 vectors can be mapped and rerouted in a number of ways,
+ * depending on the kernel configuration and CPU present:
+ *
+ * - If the CPU is affected by Spectre-v2, the hardening sequence is
+ * placed in one of the vector slots, which is executed before jumping
+ * to the real vectors.
+ *
+ * - If the CPU also has the ARM64_SPECTRE_V3A cap, the slot
+ * containing the hardening sequence is mapped next to the idmap page,
+ * and executed before jumping to the real vectors.
+ *
+ * - If the CPU only has the ARM64_SPECTRE_V3A cap, then an
+ * empty slot is selected, mapped next to the idmap page, and
+ * executed before jumping to the real vectors.
+ *
+ * Note that ARM64_SPECTRE_V3A is somewhat incompatible with
+ * VHE, as we don't have hypervisor-specific mappings. If the system
+ * is VHE and yet selects this capability, it will be ignored.
+ */
+static void cpu_set_hyp_vector(void)
+{
+ struct bp_hardening_data *data = this_cpu_ptr(&bp_hardening_data);
+ void *vector = hyp_spectre_vector_selector[data->slot];
+
+ if (!is_protected_kvm_enabled())
+ *this_cpu_ptr_hyp_sym(kvm_hyp_vector) = (unsigned long)vector;
+ else
+ kvm_call_hyp_nvhe(__pkvm_cpu_set_vector, data->slot);
+}
+
static void cpu_hyp_reinit(void)
{
kvm_init_host_cpu_context(&this_cpu_ptr_hyp_sym(kvm_host_data)->host_ctxt);
cpu_hyp_reset();
- *this_cpu_ptr_hyp_sym(kvm_hyp_vector) = (unsigned long)kvm_get_hyp_vector();
-
if (is_kernel_in_hyp_mode())
kvm_timer_init_vhe();
else
cpu_init_hyp_mode();
+ cpu_set_hyp_vector();
+
kvm_arm_init_debug();
if (vgic_present)
@@ -1454,7 +1567,8 @@ static void _kvm_arch_hardware_disable(void *discard)
void kvm_arch_hardware_disable(void)
{
- _kvm_arch_hardware_disable(NULL);
+ if (!is_protected_kvm_enabled())
+ _kvm_arch_hardware_disable(NULL);
}
#ifdef CONFIG_CPU_PM
@@ -1495,13 +1609,15 @@ static struct notifier_block hyp_init_cpu_pm_nb = {
.notifier_call = hyp_init_cpu_pm_notifier,
};
-static void __init hyp_cpu_pm_init(void)
+static void hyp_cpu_pm_init(void)
{
- cpu_pm_register_notifier(&hyp_init_cpu_pm_nb);
+ if (!is_protected_kvm_enabled())
+ cpu_pm_register_notifier(&hyp_init_cpu_pm_nb);
}
-static void __init hyp_cpu_pm_exit(void)
+static void hyp_cpu_pm_exit(void)
{
- cpu_pm_unregister_notifier(&hyp_init_cpu_pm_nb);
+ if (!is_protected_kvm_enabled())
+ cpu_pm_unregister_notifier(&hyp_init_cpu_pm_nb);
}
#else
static inline void hyp_cpu_pm_init(void)
@@ -1512,6 +1628,46 @@ static inline void hyp_cpu_pm_exit(void)
}
#endif
+static void init_cpu_logical_map(void)
+{
+ unsigned int cpu;
+
+ /*
+ * Copy the MPIDR <-> logical CPU ID mapping to hyp.
+ * Only copy the set of online CPUs whose features have been chacked
+ * against the finalized system capabilities. The hypervisor will not
+ * allow any other CPUs from the `possible` set to boot.
+ */
+ for_each_online_cpu(cpu)
+ hyp_cpu_logical_map[cpu] = cpu_logical_map(cpu);
+}
+
+#define init_psci_0_1_impl_state(config, what) \
+ config.psci_0_1_ ## what ## _implemented = psci_ops.what
+
+static bool init_psci_relay(void)
+{
+ /*
+ * If PSCI has not been initialized, protected KVM cannot install
+ * itself on newly booted CPUs.
+ */
+ if (!psci_ops.get_version) {
+ kvm_err("Cannot initialize protected mode without PSCI\n");
+ return false;
+ }
+
+ kvm_host_psci_config.version = psci_ops.get_version();
+
+ if (kvm_host_psci_config.version == PSCI_VERSION(0, 1)) {
+ kvm_host_psci_config.function_ids_0_1 = get_psci_0_1_function_ids();
+ init_psci_0_1_impl_state(kvm_host_psci_config, cpu_suspend);
+ init_psci_0_1_impl_state(kvm_host_psci_config, cpu_on);
+ init_psci_0_1_impl_state(kvm_host_psci_config, cpu_off);
+ init_psci_0_1_impl_state(kvm_host_psci_config, migrate);
+ }
+ return true;
+}
+
static int init_common_resources(void)
{
return kvm_set_ipa_limit();
@@ -1556,10 +1712,11 @@ static int init_subsystems(void)
goto out;
kvm_perf_init();
- kvm_coproc_table_init();
+ kvm_sys_reg_table_init();
out:
- on_each_cpu(_kvm_arch_hardware_disable, NULL, 1);
+ if (err || !is_protected_kvm_enabled())
+ on_each_cpu(_kvm_arch_hardware_disable, NULL, 1);
return err;
}
@@ -1575,18 +1732,62 @@ static void teardown_hyp_mode(void)
}
}
+static int do_pkvm_init(u32 hyp_va_bits)
+{
+ void *per_cpu_base = kvm_ksym_ref(kvm_arm_hyp_percpu_base);
+ int ret;
+
+ preempt_disable();
+ hyp_install_host_vector();
+ ret = kvm_call_hyp_nvhe(__pkvm_init, hyp_mem_base, hyp_mem_size,
+ num_possible_cpus(), kern_hyp_va(per_cpu_base),
+ hyp_va_bits);
+ preempt_enable();
+
+ return ret;
+}
+
+static int kvm_hyp_init_protection(u32 hyp_va_bits)
+{
+ void *addr = phys_to_virt(hyp_mem_base);
+ int ret;
+
+ kvm_nvhe_sym(id_aa64mmfr0_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
+ kvm_nvhe_sym(id_aa64mmfr1_el1_sys_val) = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
+
+ ret = create_hyp_mappings(addr, addr + hyp_mem_size, PAGE_HYP);
+ if (ret)
+ return ret;
+
+ ret = do_pkvm_init(hyp_va_bits);
+ if (ret)
+ return ret;
+
+ free_hyp_pgds();
+
+ return 0;
+}
+
/**
* Inits Hyp-mode on all online CPUs
*/
static int init_hyp_mode(void)
{
+ u32 hyp_va_bits;
int cpu;
- int err = 0;
+ int err = -ENOMEM;
+
+ /*
+ * The protected Hyp-mode cannot be initialized if the memory pool
+ * allocation has failed.
+ */
+ if (is_protected_kvm_enabled() && !hyp_mem_base)
+ goto out_err;
/*
* Allocate Hyp PGD and setup Hyp identity mapping
*/
- err = kvm_mmu_init();
+ err = kvm_mmu_init(&hyp_va_bits);
if (err)
goto out_err;
@@ -1633,6 +1834,13 @@ static int init_hyp_mode(void)
goto out_err;
}
+ err = create_hyp_mappings(kvm_ksym_ref(__hyp_rodata_start),
+ kvm_ksym_ref(__hyp_rodata_end), PAGE_HYP_RO);
+ if (err) {
+ kvm_err("Cannot map .hyp.rodata section\n");
+ goto out_err;
+ }
+
err = create_hyp_mappings(kvm_ksym_ref(__start_rodata),
kvm_ksym_ref(__end_rodata), PAGE_HYP_RO);
if (err) {
@@ -1640,16 +1848,22 @@ static int init_hyp_mode(void)
goto out_err;
}
- err = create_hyp_mappings(kvm_ksym_ref(__bss_start),
- kvm_ksym_ref(__bss_stop), PAGE_HYP_RO);
+ /*
+ * .hyp.bss is guaranteed to be placed at the beginning of the .bss
+ * section thanks to an assertion in the linker script. Map it RW and
+ * the rest of .bss RO.
+ */
+ err = create_hyp_mappings(kvm_ksym_ref(__hyp_bss_start),
+ kvm_ksym_ref(__hyp_bss_end), PAGE_HYP);
if (err) {
- kvm_err("Cannot map bss section\n");
+ kvm_err("Cannot map hyp bss section: %d\n", err);
goto out_err;
}
- err = kvm_map_vectors();
+ err = create_hyp_mappings(kvm_ksym_ref(__hyp_bss_end),
+ kvm_ksym_ref(__bss_stop), PAGE_HYP_RO);
if (err) {
- kvm_err("Cannot map vectors\n");
+ kvm_err("Cannot map bss section\n");
goto out_err;
}
@@ -1667,19 +1881,36 @@ static int init_hyp_mode(void)
}
}
- /*
- * Map Hyp percpu pages
- */
for_each_possible_cpu(cpu) {
char *percpu_begin = (char *)kvm_arm_hyp_percpu_base[cpu];
char *percpu_end = percpu_begin + nvhe_percpu_size();
+ /* Map Hyp percpu pages */
err = create_hyp_mappings(percpu_begin, percpu_end, PAGE_HYP);
-
if (err) {
kvm_err("Cannot map hyp percpu region\n");
goto out_err;
}
+
+ /* Prepare the CPU initialization parameters */
+ cpu_prepare_hyp_mode(cpu);
+ }
+
+ if (is_protected_kvm_enabled()) {
+ init_cpu_logical_map();
+
+ if (!init_psci_relay()) {
+ err = -ENODEV;
+ goto out_err;
+ }
+ }
+
+ if (is_protected_kvm_enabled()) {
+ err = kvm_hyp_init_protection(hyp_va_bits);
+ if (err) {
+ kvm_err("Failed to init hyp memory protection\n");
+ goto out_err;
+ }
}
return 0;
@@ -1690,6 +1921,78 @@ static int init_hyp_mode(void)
return err;
}
+void _kvm_host_prot_finalize(void *discard)
+{
+ WARN_ON(kvm_call_hyp_nvhe(__pkvm_prot_finalize));
+}
+
+static inline int pkvm_mark_hyp(phys_addr_t start, phys_addr_t end)
+{
+ return kvm_call_hyp_nvhe(__pkvm_mark_hyp, start, end);
+}
+
+#define pkvm_mark_hyp_section(__section) \
+ pkvm_mark_hyp(__pa_symbol(__section##_start), \
+ __pa_symbol(__section##_end))
+
+static int finalize_hyp_mode(void)
+{
+ int cpu, ret;
+
+ if (!is_protected_kvm_enabled())
+ return 0;
+
+ ret = pkvm_mark_hyp_section(__hyp_idmap_text);
+ if (ret)
+ return ret;
+
+ ret = pkvm_mark_hyp_section(__hyp_text);
+ if (ret)
+ return ret;
+
+ ret = pkvm_mark_hyp_section(__hyp_rodata);
+ if (ret)
+ return ret;
+
+ /*
+ * Exclude HYP BSS from kmemleak so that it doesn't get peeked
+ * at, which would end badly once the section is inaccessible.
+ * None of other sections should ever be introspected.
+ */
+ kmemleak_free_part(__hyp_bss_start, __hyp_bss_end - __hyp_bss_start);
+ ret = pkvm_mark_hyp_section(__hyp_bss);
+ if (ret)
+ return ret;
+
+ ret = pkvm_mark_hyp(hyp_mem_base, hyp_mem_base + hyp_mem_size);
+ if (ret)
+ return ret;
+
+ for_each_possible_cpu(cpu) {
+ phys_addr_t start = virt_to_phys((void *)kvm_arm_hyp_percpu_base[cpu]);
+ phys_addr_t end = start + (PAGE_SIZE << nvhe_percpu_order());
+
+ ret = pkvm_mark_hyp(start, end);
+ if (ret)
+ return ret;
+
+ start = virt_to_phys((void *)per_cpu(kvm_arm_hyp_stack_page, cpu));
+ end = start + PAGE_SIZE;
+ ret = pkvm_mark_hyp(start, end);
+ if (ret)
+ return ret;
+ }
+
+ /*
+ * Flip the static key upfront as that may no longer be possible
+ * once the host stage 2 is installed.
+ */
+ static_branch_enable(&kvm_protected_mode_initialized);
+ on_each_cpu(_kvm_host_prot_finalize, NULL, 1);
+
+ return 0;
+}
+
static void check_kvm_target_cpu(void *ret)
{
*(int *)ret = kvm_target_cpu();
@@ -1764,11 +2067,6 @@ int kvm_arch_init(void *opaque)
in_hyp_mode = is_kernel_in_hyp_mode();
- if (!in_hyp_mode && kvm_arch_requires_vhe()) {
- kvm_pr_unimpl("CPU unsupported in non-VHE mode, not initializing\n");
- return -ENODEV;
- }
-
if (cpus_have_final_cap(ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE) ||
cpus_have_final_cap(ARM64_WORKAROUND_1508412))
kvm_info("Guests without required CPU erratum workarounds can deadlock system!\n" \
@@ -1796,14 +2094,31 @@ int kvm_arch_init(void *opaque)
goto out_err;
}
+ err = kvm_init_vector_slots();
+ if (err) {
+ kvm_err("Cannot initialise vector slots\n");
+ goto out_err;
+ }
+
err = init_subsystems();
if (err)
goto out_hyp;
- if (in_hyp_mode)
+ if (!in_hyp_mode) {
+ err = finalize_hyp_mode();
+ if (err) {
+ kvm_err("Failed to finalize Hyp protection\n");
+ goto out_hyp;
+ }
+ }
+
+ if (is_protected_kvm_enabled()) {
+ kvm_info("Protected nVHE mode initialized successfully\n");
+ } else if (in_hyp_mode) {
kvm_info("VHE mode initialized successfully\n");
- else
+ } else {
kvm_info("Hyp mode initialized successfully\n");
+ }
return 0;
@@ -1821,6 +2136,28 @@ void kvm_arch_exit(void)
kvm_perf_teardown();
}
+static int __init early_kvm_mode_cfg(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ if (strcmp(arg, "protected") == 0) {
+ kvm_mode = KVM_MODE_PROTECTED;
+ return 0;
+ }
+
+ if (strcmp(arg, "nvhe") == 0 && !WARN_ON(is_kernel_in_hyp_mode()))
+ return 0;
+
+ return -EINVAL;
+}
+early_param("kvm-arm.mode", early_kvm_mode_cfg);
+
+enum kvm_mode kvm_get_mode(void)
+{
+ return kvm_mode;
+}
+
static int arm_init(void)
{
int rc = kvm_init(NULL, sizeof(struct kvm_vcpu), 0, THIS_MODULE);
diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c
index 2484b2c..d2b120e 100644
--- a/arch/arm64/kvm/debug.c
+++ b/arch/arm64/kvm/debug.c
@@ -141,7 +141,13 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
* @vcpu: the vcpu pointer
*
* This is called before each entry into the hypervisor to setup any
- * debug related registers.
+ * debug related registers. Currently this just ensures we will trap
+ * access to:
+ * - Performance monitors (MDCR_EL2_TPM/MDCR_EL2_TPMCR)
+ * - Debug ROM Address (MDCR_EL2_TDRA)
+ * - OS related registers (MDCR_EL2_TDOSA)
+ * - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
+ * - Self-hosted Trace (MDCR_EL2_TTRF/MDCR_EL2_E2TB)
*
* Additionally, KVM only traps guest accesses to the debug registers if
* the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
@@ -263,3 +269,32 @@ void kvm_arm_clear_debug(struct kvm_vcpu *vcpu)
}
}
}
+
+void kvm_arch_vcpu_load_debug_state_flags(struct kvm_vcpu *vcpu)
+{
+ u64 dfr0;
+
+ /* For VHE, there is nothing to do */
+ if (has_vhe())
+ return;
+
+ dfr0 = read_sysreg(id_aa64dfr0_el1);
+ /*
+ * If SPE is present on this CPU and is available at current EL,
+ * we may need to check if the host state needs to be saved.
+ */
+ if (cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_PMSVER_SHIFT) &&
+ !(read_sysreg_s(SYS_PMBIDR_EL1) & BIT(SYS_PMBIDR_EL1_P_SHIFT)))
+ vcpu->arch.flags |= KVM_ARM64_DEBUG_STATE_SAVE_SPE;
+
+ /* Check if we have TRBE implemented and available at the host */
+ if (cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_TRBE_SHIFT) &&
+ !(read_sysreg_s(SYS_TRBIDR_EL1) & TRBIDR_PROG))
+ vcpu->arch.flags |= KVM_ARM64_DEBUG_STATE_SAVE_TRBE;
+}
+
+void kvm_arch_vcpu_put_debug_state_flags(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.flags &= ~(KVM_ARM64_DEBUG_STATE_SAVE_SPE |
+ KVM_ARM64_DEBUG_STATE_SAVE_TRBE);
+}
diff --git a/arch/arm64/kvm/fpsimd.c b/arch/arm64/kvm/fpsimd.c
index 3e081d5..5621020 100644
--- a/arch/arm64/kvm/fpsimd.c
+++ b/arch/arm64/kvm/fpsimd.c
@@ -11,6 +11,7 @@
#include <linux/kvm_host.h>
#include <asm/fpsimd.h>
#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
#include <asm/kvm_mmu.h>
#include <asm/sysreg.h>
@@ -42,6 +43,17 @@ int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu)
if (ret)
goto error;
+ if (vcpu->arch.sve_state) {
+ void *sve_end;
+
+ sve_end = vcpu->arch.sve_state + vcpu_sve_state_size(vcpu);
+
+ ret = create_hyp_mappings(vcpu->arch.sve_state, sve_end,
+ PAGE_HYP);
+ if (ret)
+ goto error;
+ }
+
vcpu->arch.host_thread_info = kern_hyp_va(ti);
vcpu->arch.host_fpsimd_state = kern_hyp_va(fpsimd);
error:
@@ -109,11 +121,17 @@ void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu)
local_irq_save(flags);
if (vcpu->arch.flags & KVM_ARM64_FP_ENABLED) {
- fpsimd_save_and_flush_cpu_state();
+ if (guest_has_sve) {
+ __vcpu_sys_reg(vcpu, ZCR_EL1) = read_sysreg_el1(SYS_ZCR);
- if (guest_has_sve)
- __vcpu_sys_reg(vcpu, ZCR_EL1) = read_sysreg_s(SYS_ZCR_EL12);
- } else if (host_has_sve) {
+ /* Restore the VL that was saved when bound to the CPU */
+ if (!has_vhe())
+ sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1,
+ SYS_ZCR_EL1);
+ }
+
+ fpsimd_save_and_flush_cpu_state();
+ } else if (has_vhe() && host_has_sve) {
/*
* The FPSIMD/SVE state in the CPU has not been touched, and we
* have SVE (and VHE): CPACR_EL1 (alias CPTR_EL2) has been
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index dfb5218..c763808 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -24,7 +24,6 @@
#include <asm/fpsimd.h>
#include <asm/kvm.h>
#include <asm/kvm_emulate.h>
-#include <asm/kvm_coproc.h>
#include <asm/sigcontext.h>
#include "trace.h"
@@ -252,10 +251,32 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
memcpy(addr, valp, KVM_REG_SIZE(reg->id));
if (*vcpu_cpsr(vcpu) & PSR_MODE32_BIT) {
- int i;
+ int i, nr_reg;
- for (i = 0; i < 16; i++)
- *vcpu_reg32(vcpu, i) = (u32)*vcpu_reg32(vcpu, i);
+ switch (*vcpu_cpsr(vcpu)) {
+ /*
+ * Either we are dealing with user mode, and only the
+ * first 15 registers (+ PC) must be narrowed to 32bit.
+ * AArch32 r0-r14 conveniently map to AArch64 x0-x14.
+ */
+ case PSR_AA32_MODE_USR:
+ case PSR_AA32_MODE_SYS:
+ nr_reg = 15;
+ break;
+
+ /*
+ * Otherwide, this is a priviledged mode, and *all* the
+ * registers must be narrowed to 32bit.
+ */
+ default:
+ nr_reg = 31;
+ break;
+ }
+
+ for (i = 0; i < nr_reg; i++)
+ vcpu_set_reg(vcpu, i, (u32)vcpu_get_reg(vcpu, i));
+
+ *vcpu_pc(vcpu) = (u32)*vcpu_pc(vcpu);
}
out:
return err;
@@ -278,7 +299,7 @@ static int get_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
memset(vqs, 0, sizeof(vqs));
- max_vq = sve_vq_from_vl(vcpu->arch.sve_max_vl);
+ max_vq = vcpu_sve_max_vq(vcpu);
for (vq = SVE_VQ_MIN; vq <= max_vq; ++vq)
if (sve_vq_available(vq))
vqs[vq_word(vq)] |= vq_mask(vq);
@@ -406,7 +427,7 @@ static int sve_reg_to_region(struct sve_state_reg_region *region,
if (!vcpu_has_sve(vcpu) || (reg->id & SVE_REG_SLICE_MASK) > 0)
return -ENOENT;
- vq = sve_vq_from_vl(vcpu->arch.sve_max_vl);
+ vq = vcpu_sve_max_vq(vcpu);
reqoffset = SVE_SIG_ZREG_OFFSET(vq, reg_num) -
SVE_SIG_REGS_OFFSET;
@@ -416,7 +437,7 @@ static int sve_reg_to_region(struct sve_state_reg_region *region,
if (!vcpu_has_sve(vcpu) || (reg->id & SVE_REG_SLICE_MASK) > 0)
return -ENOENT;
- vq = sve_vq_from_vl(vcpu->arch.sve_max_vl);
+ vq = vcpu_sve_max_vq(vcpu);
reqoffset = SVE_SIG_PREG_OFFSET(vq, reg_num) -
SVE_SIG_REGS_OFFSET;
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index 5d690d6..cebe39f 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -14,7 +14,6 @@
#include <asm/esr.h>
#include <asm/exception.h>
#include <asm/kvm_asm.h>
-#include <asm/kvm_coproc.h>
#include <asm/kvm_emulate.h>
#include <asm/kvm_mmu.h>
#include <asm/debug-monitors.h>
@@ -61,7 +60,7 @@ static int handle_smc(struct kvm_vcpu *vcpu)
* otherwise return to the same address...
*/
vcpu_set_reg(vcpu, 0, ~0UL);
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ kvm_incr_pc(vcpu);
return 1;
}
@@ -100,7 +99,7 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu)
kvm_clear_request(KVM_REQ_UNHALT, vcpu);
}
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ kvm_incr_pc(vcpu);
return 1;
}
@@ -221,7 +220,7 @@ static int handle_trap_exceptions(struct kvm_vcpu *vcpu)
* that fail their condition code check"
*/
if (!kvm_condition_valid(vcpu)) {
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ kvm_incr_pc(vcpu);
handled = 1;
} else {
exit_handle_fn exit_handler;
@@ -241,23 +240,6 @@ int handle_exit(struct kvm_vcpu *vcpu, int exception_index)
{
struct kvm_run *run = vcpu->run;
- if (ARM_SERROR_PENDING(exception_index)) {
- u8 esr_ec = ESR_ELx_EC(kvm_vcpu_get_esr(vcpu));
-
- /*
- * HVC/SMC already have an adjusted PC, which we need
- * to correct in order to return to after having
- * injected the SError.
- */
- if (esr_ec == ESR_ELx_EC_HVC32 || esr_ec == ESR_ELx_EC_HVC64 ||
- esr_ec == ESR_ELx_EC_SMC32 || esr_ec == ESR_ELx_EC_SMC64) {
- u32 adj = kvm_vcpu_trap_il_is32bit(vcpu) ? 4 : 2;
- *vcpu_pc(vcpu) -= adj;
- }
-
- return 1;
- }
-
exception_index = ARM_EXCEPTION_CODE(exception_index);
switch (exception_index) {
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index 4a81edd..b726332 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -10,4 +10,4 @@
-DDISABLE_BRANCH_PROFILING \
$(DISABLE_STACKLEAK_PLUGIN)
-obj-$(CONFIG_KVM) += vhe/ nvhe/ pgtable.o smccc_wa.o
+obj-$(CONFIG_KVM) += vhe/ nvhe/ pgtable.o reserved_mem.o
diff --git a/arch/arm64/kvm/hyp/aarch32.c b/arch/arm64/kvm/hyp/aarch32.c
index ae56d8a..f98cbe2 100644
--- a/arch/arm64/kvm/hyp/aarch32.c
+++ b/arch/arm64/kvm/hyp/aarch32.c
@@ -123,13 +123,13 @@ static void kvm_adjust_itstate(struct kvm_vcpu *vcpu)
* kvm_skip_instr - skip a trapped instruction and proceed to the next
* @vcpu: The vcpu pointer
*/
-void kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr)
+void kvm_skip_instr32(struct kvm_vcpu *vcpu)
{
u32 pc = *vcpu_pc(vcpu);
bool is_thumb;
is_thumb = !!(*vcpu_cpsr(vcpu) & PSR_AA32_T_BIT);
- if (is_thumb && !is_wide_instr)
+ if (is_thumb && !kvm_vcpu_trap_il_is32bit(vcpu))
pc += 2;
else
pc += 4;
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S
index 0c66a1d..e831d3d 100644
--- a/arch/arm64/kvm/hyp/entry.S
+++ b/arch/arm64/kvm/hyp/entry.S
@@ -85,8 +85,10 @@
// If the hyp context is loaded, go straight to hyp_panic
get_loaded_vcpu x0, x1
- cbz x0, hyp_panic
+ cbnz x0, 1f
+ b hyp_panic
+1:
// The hyp context is saved so make sure it is restored to allow
// hyp_panic to run at hyp and, subsequently, panic to run in the host.
// This makes use of __guest_exit to avoid duplication but sets the
@@ -94,7 +96,7 @@
// current state is saved to the guest context but it will only be
// accurate if the guest had been completely restored.
adr_this_cpu x0, kvm_hyp_ctxt, x1
- adr x1, hyp_panic
+ adr_l x1, hyp_panic
str x1, [x0, #CPU_XREG_OFFSET(30)]
get_vcpu_ptr x1, x0
diff --git a/arch/arm64/kvm/hyp/exception.c b/arch/arm64/kvm/hyp/exception.c
new file mode 100644
index 0000000..7362909
--- /dev/null
+++ b/arch/arm64/kvm/hyp/exception.c
@@ -0,0 +1,331 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Fault injection for both 32 and 64bit guests.
+ *
+ * Copyright (C) 2012,2013 - ARM Ltd
+ * Author: Marc Zyngier <marc.zyngier@arm.com>
+ *
+ * Based on arch/arm/kvm/emulate.c
+ * Copyright (C) 2012 - Virtual Open Systems and Columbia University
+ * Author: Christoffer Dall <c.dall@virtualopensystems.com>
+ */
+
+#include <hyp/adjust_pc.h>
+#include <linux/kvm_host.h>
+#include <asm/kvm_emulate.h>
+
+#if !defined (__KVM_NVHE_HYPERVISOR__) && !defined (__KVM_VHE_HYPERVISOR__)
+#error Hypervisor code only!
+#endif
+
+static inline u64 __vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg)
+{
+ u64 val;
+
+ if (__vcpu_read_sys_reg_from_cpu(reg, &val))
+ return val;
+
+ return __vcpu_sys_reg(vcpu, reg);
+}
+
+static inline void __vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg)
+{
+ if (__vcpu_write_sys_reg_to_cpu(val, reg))
+ return;
+
+ __vcpu_sys_reg(vcpu, reg) = val;
+}
+
+static void __vcpu_write_spsr(struct kvm_vcpu *vcpu, u64 val)
+{
+ write_sysreg_el1(val, SYS_SPSR);
+}
+
+static void __vcpu_write_spsr_abt(struct kvm_vcpu *vcpu, u64 val)
+{
+ if (has_vhe())
+ write_sysreg(val, spsr_abt);
+ else
+ vcpu->arch.ctxt.spsr_abt = val;
+}
+
+static void __vcpu_write_spsr_und(struct kvm_vcpu *vcpu, u64 val)
+{
+ if (has_vhe())
+ write_sysreg(val, spsr_und);
+ else
+ vcpu->arch.ctxt.spsr_und = val;
+}
+
+/*
+ * This performs the exception entry at a given EL (@target_mode), stashing PC
+ * and PSTATE into ELR and SPSR respectively, and compute the new PC/PSTATE.
+ * The EL passed to this function *must* be a non-secure, privileged mode with
+ * bit 0 being set (PSTATE.SP == 1).
+ *
+ * When an exception is taken, most PSTATE fields are left unchanged in the
+ * handler. However, some are explicitly overridden (e.g. M[4:0]). Luckily all
+ * of the inherited bits have the same position in the AArch64/AArch32 SPSR_ELx
+ * layouts, so we don't need to shuffle these for exceptions from AArch32 EL0.
+ *
+ * For the SPSR_ELx layout for AArch64, see ARM DDI 0487E.a page C5-429.
+ * For the SPSR_ELx layout for AArch32, see ARM DDI 0487E.a page C5-426.
+ *
+ * Here we manipulate the fields in order of the AArch64 SPSR_ELx layout, from
+ * MSB to LSB.
+ */
+static void enter_exception64(struct kvm_vcpu *vcpu, unsigned long target_mode,
+ enum exception_type type)
+{
+ unsigned long sctlr, vbar, old, new, mode;
+ u64 exc_offset;
+
+ mode = *vcpu_cpsr(vcpu) & (PSR_MODE_MASK | PSR_MODE32_BIT);
+
+ if (mode == target_mode)
+ exc_offset = CURRENT_EL_SP_ELx_VECTOR;
+ else if ((mode | PSR_MODE_THREAD_BIT) == target_mode)
+ exc_offset = CURRENT_EL_SP_EL0_VECTOR;
+ else if (!(mode & PSR_MODE32_BIT))
+ exc_offset = LOWER_EL_AArch64_VECTOR;
+ else
+ exc_offset = LOWER_EL_AArch32_VECTOR;
+
+ switch (target_mode) {
+ case PSR_MODE_EL1h:
+ vbar = __vcpu_read_sys_reg(vcpu, VBAR_EL1);
+ sctlr = __vcpu_read_sys_reg(vcpu, SCTLR_EL1);
+ __vcpu_write_sys_reg(vcpu, *vcpu_pc(vcpu), ELR_EL1);
+ break;
+ default:
+ /* Don't do that */
+ BUG();
+ }
+
+ *vcpu_pc(vcpu) = vbar + exc_offset + type;
+
+ old = *vcpu_cpsr(vcpu);
+ new = 0;
+
+ new |= (old & PSR_N_BIT);
+ new |= (old & PSR_Z_BIT);
+ new |= (old & PSR_C_BIT);
+ new |= (old & PSR_V_BIT);
+
+ // TODO: TCO (if/when ARMv8.5-MemTag is exposed to guests)
+
+ new |= (old & PSR_DIT_BIT);
+
+ // PSTATE.UAO is set to zero upon any exception to AArch64
+ // See ARM DDI 0487E.a, page D5-2579.
+
+ // PSTATE.PAN is unchanged unless SCTLR_ELx.SPAN == 0b0
+ // SCTLR_ELx.SPAN is RES1 when ARMv8.1-PAN is not implemented
+ // See ARM DDI 0487E.a, page D5-2578.
+ new |= (old & PSR_PAN_BIT);
+ if (!(sctlr & SCTLR_EL1_SPAN))
+ new |= PSR_PAN_BIT;
+
+ // PSTATE.SS is set to zero upon any exception to AArch64
+ // See ARM DDI 0487E.a, page D2-2452.
+
+ // PSTATE.IL is set to zero upon any exception to AArch64
+ // See ARM DDI 0487E.a, page D1-2306.
+
+ // PSTATE.SSBS is set to SCTLR_ELx.DSSBS upon any exception to AArch64
+ // See ARM DDI 0487E.a, page D13-3258
+ if (sctlr & SCTLR_ELx_DSSBS)
+ new |= PSR_SSBS_BIT;
+
+ // PSTATE.BTYPE is set to zero upon any exception to AArch64
+ // See ARM DDI 0487E.a, pages D1-2293 to D1-2294.
+
+ new |= PSR_D_BIT;
+ new |= PSR_A_BIT;
+ new |= PSR_I_BIT;
+ new |= PSR_F_BIT;
+
+ new |= target_mode;
+
+ *vcpu_cpsr(vcpu) = new;
+ __vcpu_write_spsr(vcpu, old);
+}
+
+/*
+ * When an exception is taken, most CPSR fields are left unchanged in the
+ * handler. However, some are explicitly overridden (e.g. M[4:0]).
+ *
+ * The SPSR/SPSR_ELx layouts differ, and the below is intended to work with
+ * either format. Note: SPSR.J bit doesn't exist in SPSR_ELx, but this bit was
+ * obsoleted by the ARMv7 virtualization extensions and is RES0.
+ *
+ * For the SPSR layout seen from AArch32, see:
+ * - ARM DDI 0406C.d, page B1-1148
+ * - ARM DDI 0487E.a, page G8-6264
+ *
+ * For the SPSR_ELx layout for AArch32 seen from AArch64, see:
+ * - ARM DDI 0487E.a, page C5-426
+ *
+ * Here we manipulate the fields in order of the AArch32 SPSR_ELx layout, from
+ * MSB to LSB.
+ */
+static unsigned long get_except32_cpsr(struct kvm_vcpu *vcpu, u32 mode)
+{
+ u32 sctlr = __vcpu_read_sys_reg(vcpu, SCTLR_EL1);
+ unsigned long old, new;
+
+ old = *vcpu_cpsr(vcpu);
+ new = 0;
+
+ new |= (old & PSR_AA32_N_BIT);
+ new |= (old & PSR_AA32_Z_BIT);
+ new |= (old & PSR_AA32_C_BIT);
+ new |= (old & PSR_AA32_V_BIT);
+ new |= (old & PSR_AA32_Q_BIT);
+
+ // CPSR.IT[7:0] are set to zero upon any exception
+ // See ARM DDI 0487E.a, section G1.12.3
+ // See ARM DDI 0406C.d, section B1.8.3
+
+ new |= (old & PSR_AA32_DIT_BIT);
+
+ // CPSR.SSBS is set to SCTLR.DSSBS upon any exception
+ // See ARM DDI 0487E.a, page G8-6244
+ if (sctlr & BIT(31))
+ new |= PSR_AA32_SSBS_BIT;
+
+ // CPSR.PAN is unchanged unless SCTLR.SPAN == 0b0
+ // SCTLR.SPAN is RES1 when ARMv8.1-PAN is not implemented
+ // See ARM DDI 0487E.a, page G8-6246
+ new |= (old & PSR_AA32_PAN_BIT);
+ if (!(sctlr & BIT(23)))
+ new |= PSR_AA32_PAN_BIT;
+
+ // SS does not exist in AArch32, so ignore
+
+ // CPSR.IL is set to zero upon any exception
+ // See ARM DDI 0487E.a, page G1-5527
+
+ new |= (old & PSR_AA32_GE_MASK);
+
+ // CPSR.IT[7:0] are set to zero upon any exception
+ // See prior comment above
+
+ // CPSR.E is set to SCTLR.EE upon any exception
+ // See ARM DDI 0487E.a, page G8-6245
+ // See ARM DDI 0406C.d, page B4-1701
+ if (sctlr & BIT(25))
+ new |= PSR_AA32_E_BIT;
+
+ // CPSR.A is unchanged upon an exception to Undefined, Supervisor
+ // CPSR.A is set upon an exception to other modes
+ // See ARM DDI 0487E.a, pages G1-5515 to G1-5516
+ // See ARM DDI 0406C.d, page B1-1182
+ new |= (old & PSR_AA32_A_BIT);
+ if (mode != PSR_AA32_MODE_UND && mode != PSR_AA32_MODE_SVC)
+ new |= PSR_AA32_A_BIT;
+
+ // CPSR.I is set upon any exception
+ // See ARM DDI 0487E.a, pages G1-5515 to G1-5516
+ // See ARM DDI 0406C.d, page B1-1182
+ new |= PSR_AA32_I_BIT;
+
+ // CPSR.F is set upon an exception to FIQ
+ // CPSR.F is unchanged upon an exception to other modes
+ // See ARM DDI 0487E.a, pages G1-5515 to G1-5516
+ // See ARM DDI 0406C.d, page B1-1182
+ new |= (old & PSR_AA32_F_BIT);
+ if (mode == PSR_AA32_MODE_FIQ)
+ new |= PSR_AA32_F_BIT;
+
+ // CPSR.T is set to SCTLR.TE upon any exception
+ // See ARM DDI 0487E.a, page G8-5514
+ // See ARM DDI 0406C.d, page B1-1181
+ if (sctlr & BIT(30))
+ new |= PSR_AA32_T_BIT;
+
+ new |= mode;
+
+ return new;
+}
+
+/*
+ * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
+ */
+static const u8 return_offsets[8][2] = {
+ [0] = { 0, 0 }, /* Reset, unused */
+ [1] = { 4, 2 }, /* Undefined */
+ [2] = { 0, 0 }, /* SVC, unused */
+ [3] = { 4, 4 }, /* Prefetch abort */
+ [4] = { 8, 8 }, /* Data abort */
+ [5] = { 0, 0 }, /* HVC, unused */
+ [6] = { 4, 4 }, /* IRQ, unused */
+ [7] = { 4, 4 }, /* FIQ, unused */
+};
+
+static void enter_exception32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
+{
+ unsigned long spsr = *vcpu_cpsr(vcpu);
+ bool is_thumb = (spsr & PSR_AA32_T_BIT);
+ u32 sctlr = __vcpu_read_sys_reg(vcpu, SCTLR_EL1);
+ u32 return_address;
+
+ *vcpu_cpsr(vcpu) = get_except32_cpsr(vcpu, mode);
+ return_address = *vcpu_pc(vcpu);
+ return_address += return_offsets[vect_offset >> 2][is_thumb];
+
+ /* KVM only enters the ABT and UND modes, so only deal with those */
+ switch(mode) {
+ case PSR_AA32_MODE_ABT:
+ __vcpu_write_spsr_abt(vcpu, host_spsr_to_spsr32(spsr));
+ vcpu_gp_regs(vcpu)->compat_lr_abt = return_address;
+ break;
+
+ case PSR_AA32_MODE_UND:
+ __vcpu_write_spsr_und(vcpu, host_spsr_to_spsr32(spsr));
+ vcpu_gp_regs(vcpu)->compat_lr_und = return_address;
+ break;
+ }
+
+ /* Branch to exception vector */
+ if (sctlr & (1 << 13))
+ vect_offset += 0xffff0000;
+ else /* always have security exceptions */
+ vect_offset += __vcpu_read_sys_reg(vcpu, VBAR_EL1);
+
+ *vcpu_pc(vcpu) = vect_offset;
+}
+
+void kvm_inject_exception(struct kvm_vcpu *vcpu)
+{
+ if (vcpu_el1_is_32bit(vcpu)) {
+ switch (vcpu->arch.flags & KVM_ARM64_EXCEPT_MASK) {
+ case KVM_ARM64_EXCEPT_AA32_UND:
+ enter_exception32(vcpu, PSR_AA32_MODE_UND, 4);
+ break;
+ case KVM_ARM64_EXCEPT_AA32_IABT:
+ enter_exception32(vcpu, PSR_AA32_MODE_ABT, 12);
+ break;
+ case KVM_ARM64_EXCEPT_AA32_DABT:
+ enter_exception32(vcpu, PSR_AA32_MODE_ABT, 16);
+ break;
+ default:
+ /* Err... */
+ break;
+ }
+ } else {
+ switch (vcpu->arch.flags & KVM_ARM64_EXCEPT_MASK) {
+ case (KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+ KVM_ARM64_EXCEPT_AA64_EL1):
+ enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
+ break;
+ default:
+ /*
+ * Only EL1_SYNC makes sense so far, EL2_{SYNC,IRQ}
+ * will be implemented at some point. Everything
+ * else gets silently ignored.
+ */
+ break;
+ }
+ }
+}
diff --git a/arch/arm64/kvm/hyp/fpsimd.S b/arch/arm64/kvm/hyp/fpsimd.S
index 01f114a..3c63592 100644
--- a/arch/arm64/kvm/hyp/fpsimd.S
+++ b/arch/arm64/kvm/hyp/fpsimd.S
@@ -19,3 +19,13 @@
fpsimd_restore x0, 1
ret
SYM_FUNC_END(__fpsimd_restore_state)
+
+SYM_FUNC_START(__sve_restore_state)
+ __sve_load 0, x1, 2
+ ret
+SYM_FUNC_END(__sve_restore_state)
+
+SYM_FUNC_START(__sve_save_state)
+ sve_save 0, x1, 2
+ ret
+SYM_FUNC_END(__sve_save_state)
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S
index bcbead3..6e53e51 100644
--- a/arch/arm64/kvm/hyp/hyp-entry.S
+++ b/arch/arm64/kvm/hyp/hyp-entry.S
@@ -13,6 +13,7 @@
#include <asm/kvm_arm.h>
#include <asm/kvm_asm.h>
#include <asm/mmu.h>
+#include <asm/spectre.h>
.macro save_caller_saved_regs_vect
/* x0 and x1 were saved in the vector entry */
@@ -118,7 +119,7 @@
.macro invalid_vector label, target = __guest_exit_panic
.align 2
-SYM_CODE_START(\label)
+SYM_CODE_START_LOCAL(\label)
b \target
SYM_CODE_END(\label)
.endm
@@ -187,52 +188,60 @@
valid_vect el1_error // Error 32-bit EL1
SYM_CODE_END(__kvm_hyp_vector)
-.macro hyp_ventry
- .align 7
-1: esb
- .rept 26
- nop
- .endr
-/*
- * The default sequence is to directly branch to the KVM vectors,
- * using the computed offset. This applies for VHE as well as
- * !ARM64_HARDEN_EL2_VECTORS. The first vector must always run the preamble.
- *
- * For ARM64_HARDEN_EL2_VECTORS configurations, this gets replaced
- * with:
- *
- * stp x0, x1, [sp, #-16]!
- * movz x0, #(addr & 0xffff)
- * movk x0, #((addr >> 16) & 0xffff), lsl #16
- * movk x0, #((addr >> 32) & 0xffff), lsl #32
- * br x0
- *
- * Where:
- * addr = kern_hyp_va(__kvm_hyp_vector) + vector-offset + KVM_VECTOR_PREAMBLE.
- * See kvm_patch_vector_branch for details.
- */
-alternative_cb kvm_patch_vector_branch
- stp x0, x1, [sp, #-16]!
- b __kvm_hyp_vector + (1b - 0b + KVM_VECTOR_PREAMBLE)
- nop
- nop
- nop
-alternative_cb_end
+.macro spectrev2_smccc_wa1_smc
+ sub sp, sp, #(8 * 4)
+ stp x2, x3, [sp, #(8 * 0)]
+ stp x0, x1, [sp, #(8 * 2)]
+ mov w0, #ARM_SMCCC_ARCH_WORKAROUND_1
+ smc #0
+ ldp x2, x3, [sp, #(8 * 0)]
+ add sp, sp, #(8 * 2)
.endm
-.macro generate_vectors
+.macro hyp_ventry indirect, spectrev2
+ .align 7
+1: esb
+ .if \spectrev2 != 0
+ spectrev2_smccc_wa1_smc
+ .else
+ stp x0, x1, [sp, #-16]!
+ .endif
+ .if \indirect != 0
+ alternative_cb kvm_patch_vector_branch
+ /*
+ * For ARM64_SPECTRE_V3A configurations, these NOPs get replaced with:
+ *
+ * movz x0, #(addr & 0xffff)
+ * movk x0, #((addr >> 16) & 0xffff), lsl #16
+ * movk x0, #((addr >> 32) & 0xffff), lsl #32
+ * br x0
+ *
+ * Where:
+ * addr = kern_hyp_va(__kvm_hyp_vector) + vector-offset + KVM_VECTOR_PREAMBLE.
+ * See kvm_patch_vector_branch for details.
+ */
+ nop
+ nop
+ nop
+ nop
+ alternative_cb_end
+ .endif
+ b __kvm_hyp_vector + (1b - 0b + KVM_VECTOR_PREAMBLE)
+.endm
+
+.macro generate_vectors indirect, spectrev2
0:
.rept 16
- hyp_ventry
+ hyp_ventry \indirect, \spectrev2
.endr
.org 0b + SZ_2K // Safety measure
.endm
.align 11
SYM_CODE_START(__bp_harden_hyp_vecs)
- .rept BP_HARDEN_EL2_SLOTS
- generate_vectors
- .endr
+ generate_vectors indirect = 0, spectrev2 = 1 // HYP_VECTOR_SPECTRE_DIRECT
+ generate_vectors indirect = 1, spectrev2 = 0 // HYP_VECTOR_INDIRECT
+ generate_vectors indirect = 1, spectrev2 = 1 // HYP_VECTOR_SPECTRE_INDIRECT
1: .org __bp_harden_hyp_vecs + __BP_HARDEN_HYP_VECS_SZ
.org 1b
SYM_CODE_END(__bp_harden_hyp_vecs)
diff --git a/arch/arm64/kvm/hyp/include/hyp/adjust_pc.h b/arch/arm64/kvm/hyp/include/hyp/adjust_pc.h
new file mode 100644
index 0000000..6171635
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/hyp/adjust_pc.h
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Guest PC manipulation helpers
+ *
+ * Copyright (C) 2012,2013 - ARM Ltd
+ * Copyright (C) 2020 - Google LLC
+ * Author: Marc Zyngier <maz@kernel.org>
+ */
+
+#ifndef __ARM64_KVM_HYP_ADJUST_PC_H__
+#define __ARM64_KVM_HYP_ADJUST_PC_H__
+
+#include <asm/kvm_emulate.h>
+#include <asm/kvm_host.h>
+
+void kvm_inject_exception(struct kvm_vcpu *vcpu);
+
+static inline void kvm_skip_instr(struct kvm_vcpu *vcpu)
+{
+ if (vcpu_mode_is_32bit(vcpu)) {
+ kvm_skip_instr32(vcpu);
+ } else {
+ *vcpu_pc(vcpu) += 4;
+ *vcpu_cpsr(vcpu) &= ~PSR_BTYPE_MASK;
+ }
+
+ /* advance the singlestep state machine */
+ *vcpu_cpsr(vcpu) &= ~DBG_SPSR_SS;
+}
+
+/*
+ * Skip an instruction which has been emulated at hyp while most guest sysregs
+ * are live.
+ */
+static inline void __kvm_skip_instr(struct kvm_vcpu *vcpu)
+{
+ *vcpu_pc(vcpu) = read_sysreg_el2(SYS_ELR);
+ vcpu_gp_regs(vcpu)->pstate = read_sysreg_el2(SYS_SPSR);
+
+ kvm_skip_instr(vcpu);
+
+ write_sysreg_el2(vcpu_gp_regs(vcpu)->pstate, SYS_SPSR);
+ write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
+}
+
+/*
+ * Adjust the guest PC on entry, depending on flags provided by EL1
+ * for the purpose of emulation (MMIO, sysreg) or exception injection.
+ */
+static inline void __adjust_pc(struct kvm_vcpu *vcpu)
+{
+ if (vcpu->arch.flags & KVM_ARM64_PENDING_EXCEPTION) {
+ kvm_inject_exception(vcpu);
+ vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
+ KVM_ARM64_EXCEPT_MASK);
+ } else if (vcpu->arch.flags & KVM_ARM64_INCREMENT_PC) {
+ kvm_skip_instr(vcpu);
+ vcpu->arch.flags &= ~KVM_ARM64_INCREMENT_PC;
+ }
+}
+
+/*
+ * Skip an instruction while host sysregs are live.
+ * Assumes host is always 64-bit.
+ */
+static inline void kvm_skip_host_instr(void)
+{
+ write_sysreg_el2(read_sysreg_el2(SYS_ELR) + 4, SYS_ELR);
+}
+
+#endif
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 1f875a8..cdf42e3 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -7,6 +7,8 @@
#ifndef __ARM64_KVM_HYP_SWITCH_H__
#define __ARM64_KVM_HYP_SWITCH_H__
+#include <hyp/adjust_pc.h>
+
#include <linux/arm-smccc.h>
#include <linux/kvm_host.h>
#include <linux/types.h>
@@ -88,15 +90,18 @@ static inline void __activate_traps_common(struct kvm_vcpu *vcpu)
* counter, which could make a PMXEVCNTR_EL0 access UNDEF at
* EL1 instead of being trapped to EL2.
*/
- write_sysreg(0, pmselr_el0);
- write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0);
+ if (kvm_arm_support_pmu_v3()) {
+ write_sysreg(0, pmselr_el0);
+ write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0);
+ }
write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2);
}
static inline void __deactivate_traps_common(void)
{
write_sysreg(0, hstr_el2);
- write_sysreg(0, pmuserenr_el0);
+ if (kvm_arm_support_pmu_v3())
+ write_sysreg(0, pmuserenr_el0);
}
static inline void ___activate_traps(struct kvm_vcpu *vcpu)
@@ -155,18 +160,10 @@ static inline bool __translate_far_to_hpfar(u64 far, u64 *hpfar)
return true;
}
-static inline bool __populate_fault_info(struct kvm_vcpu *vcpu)
+static inline bool __get_fault_info(u64 esr, struct kvm_vcpu_fault_info *fault)
{
- u8 ec;
- u64 esr;
u64 hpfar, far;
- esr = vcpu->arch.fault.esr_el2;
- ec = ESR_ELx_EC(esr);
-
- if (ec != ESR_ELx_EC_DABT_LOW && ec != ESR_ELx_EC_IABT_LOW)
- return true;
-
far = read_sysreg_el2(SYS_FAR);
/*
@@ -189,33 +186,59 @@ static inline bool __populate_fault_info(struct kvm_vcpu *vcpu)
hpfar = read_sysreg(hpfar_el2);
}
- vcpu->arch.fault.far_el2 = far;
- vcpu->arch.fault.hpfar_el2 = hpfar;
+ fault->far_el2 = far;
+ fault->hpfar_el2 = hpfar;
return true;
}
+static inline bool __populate_fault_info(struct kvm_vcpu *vcpu)
+{
+ u8 ec;
+ u64 esr;
+
+ esr = vcpu->arch.fault.esr_el2;
+ ec = ESR_ELx_EC(esr);
+
+ if (ec != ESR_ELx_EC_DABT_LOW && ec != ESR_ELx_EC_IABT_LOW)
+ return true;
+
+ return __get_fault_info(esr, &vcpu->arch.fault);
+}
+
+static inline void __hyp_sve_save_host(struct kvm_vcpu *vcpu)
+{
+ struct thread_struct *thread;
+
+ thread = container_of(vcpu->arch.host_fpsimd_state, struct thread_struct,
+ uw.fpsimd_state);
+
+ __sve_save_state(sve_pffr(thread), &vcpu->arch.host_fpsimd_state->fpsr);
+}
+
+static inline void __hyp_sve_restore_guest(struct kvm_vcpu *vcpu)
+{
+ sve_cond_update_zcr_vq(vcpu_sve_max_vq(vcpu) - 1, SYS_ZCR_EL2);
+ __sve_restore_state(vcpu_sve_pffr(vcpu),
+ &vcpu->arch.ctxt.fp_regs.fpsr);
+ write_sysreg_el1(__vcpu_sys_reg(vcpu, ZCR_EL1), SYS_ZCR);
+}
+
/* Check for an FPSIMD/SVE trap and handle as appropriate */
static inline bool __hyp_handle_fpsimd(struct kvm_vcpu *vcpu)
{
- bool vhe, sve_guest, sve_host;
+ bool sve_guest, sve_host;
u8 esr_ec;
+ u64 reg;
if (!system_supports_fpsimd())
return false;
- /*
- * Currently system_supports_sve() currently implies has_vhe(),
- * so the check is redundant. However, has_vhe() can be determined
- * statically and helps the compiler remove dead code.
- */
- if (has_vhe() && system_supports_sve()) {
+ if (system_supports_sve()) {
sve_guest = vcpu_has_sve(vcpu);
sve_host = vcpu->arch.flags & KVM_ARM64_HOST_SVE_IN_USE;
- vhe = true;
} else {
sve_guest = false;
sve_host = false;
- vhe = has_vhe();
}
esr_ec = kvm_vcpu_trap_get_class(vcpu);
@@ -224,53 +247,38 @@ static inline bool __hyp_handle_fpsimd(struct kvm_vcpu *vcpu)
return false;
/* Don't handle SVE traps for non-SVE vcpus here: */
- if (!sve_guest)
- if (esr_ec != ESR_ELx_EC_FP_ASIMD)
- return false;
+ if (!sve_guest && esr_ec != ESR_ELx_EC_FP_ASIMD)
+ return false;
/* Valid trap. Switch the context: */
-
- if (vhe) {
- u64 reg = read_sysreg(cpacr_el1) | CPACR_EL1_FPEN;
-
+ if (has_vhe()) {
+ reg = CPACR_EL1_FPEN;
if (sve_guest)
reg |= CPACR_EL1_ZEN;
- write_sysreg(reg, cpacr_el1);
+ sysreg_clear_set(cpacr_el1, 0, reg);
} else {
- write_sysreg(read_sysreg(cptr_el2) & ~(u64)CPTR_EL2_TFP,
- cptr_el2);
- }
+ reg = CPTR_EL2_TFP;
+ if (sve_guest)
+ reg |= CPTR_EL2_TZ;
+ sysreg_clear_set(cptr_el2, reg, 0);
+ }
isb();
if (vcpu->arch.flags & KVM_ARM64_FP_HOST) {
- /*
- * In the SVE case, VHE is assumed: it is enforced by
- * Kconfig and kvm_arch_init().
- */
- if (sve_host) {
- struct thread_struct *thread = container_of(
- vcpu->arch.host_fpsimd_state,
- struct thread_struct, uw.fpsimd_state);
-
- sve_save_state(sve_pffr(thread),
- &vcpu->arch.host_fpsimd_state->fpsr);
- } else {
+ if (sve_host)
+ __hyp_sve_save_host(vcpu);
+ else
__fpsimd_save_state(vcpu->arch.host_fpsimd_state);
- }
vcpu->arch.flags &= ~KVM_ARM64_FP_HOST;
}
- if (sve_guest) {
- sve_load_state(vcpu_sve_pffr(vcpu),
- &vcpu->arch.ctxt.fp_regs.fpsr,
- sve_vq_from_vl(vcpu->arch.sve_max_vl) - 1);
- write_sysreg_s(__vcpu_sys_reg(vcpu, ZCR_EL1), SYS_ZCR_EL12);
- } else {
+ if (sve_guest)
+ __hyp_sve_restore_guest(vcpu);
+ else
__fpsimd_restore_state(&vcpu->arch.ctxt.fp_regs);
- }
/* Skip restoring fpexc32 for AArch64 guests */
if (!(read_sysreg(hcr_el2) & HCR_RW))
@@ -409,6 +417,21 @@ static inline bool fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
if (ARM_EXCEPTION_CODE(*exit_code) != ARM_EXCEPTION_IRQ)
vcpu->arch.fault.esr_el2 = read_sysreg_el2(SYS_ESR);
+ if (ARM_SERROR_PENDING(*exit_code)) {
+ u8 esr_ec = kvm_vcpu_trap_get_class(vcpu);
+
+ /*
+ * HVC already have an adjusted PC, which we need to
+ * correct in order to return to after having injected
+ * the SError.
+ *
+ * SMC, on the other hand, is *trapped*, meaning its
+ * preferred return address is the SMC itself.
+ */
+ if (esr_ec == ESR_ELx_EC_HVC32 || esr_ec == ESR_ELx_EC_HVC64)
+ write_sysreg_el2(read_sysreg_el2(SYS_ELR) - 4, SYS_ELR);
+ }
+
/*
* We're using the raw exception code in order to only process
* the trap if no SError is pending. We will come back to the
@@ -488,8 +511,8 @@ static inline void __kvm_unexpected_el2_exception(void)
struct exception_table_entry *entry, *end;
unsigned long elr_el2 = read_sysreg(elr_el2);
- entry = hyp_symbol_addr(__start___kvm_ex_table);
- end = hyp_symbol_addr(__stop___kvm_ex_table);
+ entry = &__start___kvm_ex_table;
+ end = &__stop___kvm_ex_table;
while (entry < end) {
addr = (unsigned long)&entry->insn + entry->insn;
diff --git a/arch/arm64/kvm/hyp/include/nvhe/early_alloc.h b/arch/arm64/kvm/hyp/include/nvhe/early_alloc.h
new file mode 100644
index 0000000..dc61aaa
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/early_alloc.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_EARLY_ALLOC_H
+#define __KVM_HYP_EARLY_ALLOC_H
+
+#include <asm/kvm_pgtable.h>
+
+void hyp_early_alloc_init(void *virt, unsigned long size);
+unsigned long hyp_early_alloc_nr_used_pages(void);
+void *hyp_early_alloc_page(void *arg);
+void *hyp_early_alloc_contig(unsigned int nr_pages);
+
+extern struct kvm_pgtable_mm_ops hyp_early_alloc_mm_ops;
+
+#endif /* __KVM_HYP_EARLY_ALLOC_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/gfp.h b/arch/arm64/kvm/hyp/include/nvhe/gfp.h
new file mode 100644
index 0000000..55b3f0c
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/gfp.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_GFP_H
+#define __KVM_HYP_GFP_H
+
+#include <linux/list.h>
+
+#include <nvhe/memory.h>
+#include <nvhe/spinlock.h>
+
+#define HYP_NO_ORDER UINT_MAX
+
+struct hyp_pool {
+ /*
+ * Spinlock protecting concurrent changes to the memory pool as well as
+ * the struct hyp_page of the pool's pages until we have a proper atomic
+ * API at EL2.
+ */
+ hyp_spinlock_t lock;
+ struct list_head free_area[MAX_ORDER];
+ phys_addr_t range_start;
+ phys_addr_t range_end;
+ unsigned int max_order;
+};
+
+static inline void hyp_page_ref_inc(struct hyp_page *p)
+{
+ struct hyp_pool *pool = hyp_page_to_pool(p);
+
+ hyp_spin_lock(&pool->lock);
+ p->refcount++;
+ hyp_spin_unlock(&pool->lock);
+}
+
+static inline int hyp_page_ref_dec_and_test(struct hyp_page *p)
+{
+ struct hyp_pool *pool = hyp_page_to_pool(p);
+ int ret;
+
+ hyp_spin_lock(&pool->lock);
+ p->refcount--;
+ ret = (p->refcount == 0);
+ hyp_spin_unlock(&pool->lock);
+
+ return ret;
+}
+
+static inline void hyp_set_page_refcounted(struct hyp_page *p)
+{
+ struct hyp_pool *pool = hyp_page_to_pool(p);
+
+ hyp_spin_lock(&pool->lock);
+ if (p->refcount) {
+ hyp_spin_unlock(&pool->lock);
+ hyp_panic();
+ }
+ p->refcount = 1;
+ hyp_spin_unlock(&pool->lock);
+}
+
+/* Allocation */
+void *hyp_alloc_pages(struct hyp_pool *pool, unsigned int order);
+void hyp_get_page(void *addr);
+void hyp_put_page(void *addr);
+
+/* Used pages cannot be freed */
+int hyp_pool_init(struct hyp_pool *pool, u64 pfn, unsigned int nr_pages,
+ unsigned int reserved_pages);
+#endif /* __KVM_HYP_GFP_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h
new file mode 100644
index 0000000..42d81ec
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/mem_protect.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#ifndef __KVM_NVHE_MEM_PROTECT__
+#define __KVM_NVHE_MEM_PROTECT__
+#include <linux/kvm_host.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/virt.h>
+#include <nvhe/spinlock.h>
+
+struct host_kvm {
+ struct kvm_arch arch;
+ struct kvm_pgtable pgt;
+ struct kvm_pgtable_mm_ops mm_ops;
+ hyp_spinlock_t lock;
+};
+extern struct host_kvm host_kvm;
+
+int __pkvm_prot_finalize(void);
+int __pkvm_mark_hyp(phys_addr_t start, phys_addr_t end);
+
+int kvm_host_prepare_stage2(void *mem_pgt_pool, void *dev_pgt_pool);
+void handle_host_mem_abort(struct kvm_cpu_context *host_ctxt);
+
+static __always_inline void __load_host_stage2(void)
+{
+ if (static_branch_likely(&kvm_protected_mode_initialized))
+ __load_stage2(&host_kvm.arch.mmu, host_kvm.arch.vtcr);
+ else
+ write_sysreg(0, vttbr_el2);
+}
+#endif /* __KVM_NVHE_MEM_PROTECT__ */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/memory.h b/arch/arm64/kvm/hyp/include/nvhe/memory.h
new file mode 100644
index 0000000..d2fb307
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/memory.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_MEMORY_H
+#define __KVM_HYP_MEMORY_H
+
+#include <asm/page.h>
+
+#include <linux/types.h>
+
+struct hyp_pool;
+struct hyp_page {
+ unsigned int refcount;
+ unsigned int order;
+ struct hyp_pool *pool;
+ struct list_head node;
+};
+
+extern s64 hyp_physvirt_offset;
+extern u64 __hyp_vmemmap;
+#define hyp_vmemmap ((struct hyp_page *)__hyp_vmemmap)
+
+#define __hyp_pa(virt) ((phys_addr_t)(virt) + hyp_physvirt_offset)
+#define __hyp_va(phys) ((void *)((phys_addr_t)(phys) - hyp_physvirt_offset))
+
+static inline void *hyp_phys_to_virt(phys_addr_t phys)
+{
+ return __hyp_va(phys);
+}
+
+static inline phys_addr_t hyp_virt_to_phys(void *addr)
+{
+ return __hyp_pa(addr);
+}
+
+#define hyp_phys_to_pfn(phys) ((phys) >> PAGE_SHIFT)
+#define hyp_pfn_to_phys(pfn) ((phys_addr_t)((pfn) << PAGE_SHIFT))
+#define hyp_phys_to_page(phys) (&hyp_vmemmap[hyp_phys_to_pfn(phys)])
+#define hyp_virt_to_page(virt) hyp_phys_to_page(__hyp_pa(virt))
+#define hyp_virt_to_pfn(virt) hyp_phys_to_pfn(__hyp_pa(virt))
+
+#define hyp_page_to_pfn(page) ((struct hyp_page *)(page) - hyp_vmemmap)
+#define hyp_page_to_phys(page) hyp_pfn_to_phys((hyp_page_to_pfn(page)))
+#define hyp_page_to_virt(page) __hyp_va(hyp_page_to_phys(page))
+#define hyp_page_to_pool(page) (((struct hyp_page *)page)->pool)
+
+static inline int hyp_page_count(void *addr)
+{
+ struct hyp_page *p = hyp_virt_to_page(addr);
+
+ return p->refcount;
+}
+
+#endif /* __KVM_HYP_MEMORY_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/mm.h b/arch/arm64/kvm/hyp/include/nvhe/mm.h
new file mode 100644
index 0000000..0095f62
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/mm.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KVM_HYP_MM_H
+#define __KVM_HYP_MM_H
+
+#include <asm/kvm_pgtable.h>
+#include <asm/spectre.h>
+#include <linux/memblock.h>
+#include <linux/types.h>
+
+#include <nvhe/memory.h>
+#include <nvhe/spinlock.h>
+
+#define HYP_MEMBLOCK_REGIONS 128
+extern struct memblock_region kvm_nvhe_sym(hyp_memory)[];
+extern unsigned int kvm_nvhe_sym(hyp_memblock_nr);
+extern struct kvm_pgtable pkvm_pgtable;
+extern hyp_spinlock_t pkvm_pgd_lock;
+extern struct hyp_pool hpool;
+extern u64 __io_map_base;
+
+int hyp_create_idmap(u32 hyp_va_bits);
+int hyp_map_vectors(void);
+int hyp_back_vmemmap(phys_addr_t phys, unsigned long size, phys_addr_t back);
+int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot);
+int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot);
+int __pkvm_create_mappings(unsigned long start, unsigned long size,
+ unsigned long phys, enum kvm_pgtable_prot prot);
+unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
+ enum kvm_pgtable_prot prot);
+
+static inline void hyp_vmemmap_range(phys_addr_t phys, unsigned long size,
+ unsigned long *start, unsigned long *end)
+{
+ unsigned long nr_pages = size >> PAGE_SHIFT;
+ struct hyp_page *p = hyp_phys_to_page(phys);
+
+ *start = (unsigned long)p;
+ *end = *start + nr_pages * sizeof(struct hyp_page);
+ *start = ALIGN_DOWN(*start, PAGE_SIZE);
+ *end = ALIGN(*end, PAGE_SIZE);
+}
+
+static inline unsigned long __hyp_pgtable_max_pages(unsigned long nr_pages)
+{
+ unsigned long total = 0, i;
+
+ /* Provision the worst case scenario */
+ for (i = 0; i < KVM_PGTABLE_MAX_LEVELS; i++) {
+ nr_pages = DIV_ROUND_UP(nr_pages, PTRS_PER_PTE);
+ total += nr_pages;
+ }
+
+ return total;
+}
+
+static inline unsigned long __hyp_pgtable_total_pages(void)
+{
+ unsigned long res = 0, i;
+
+ /* Cover all of memory with page-granularity */
+ for (i = 0; i < kvm_nvhe_sym(hyp_memblock_nr); i++) {
+ struct memblock_region *reg = &kvm_nvhe_sym(hyp_memory)[i];
+ res += __hyp_pgtable_max_pages(reg->size >> PAGE_SHIFT);
+ }
+
+ return res;
+}
+
+static inline unsigned long hyp_s1_pgtable_pages(void)
+{
+ unsigned long res;
+
+ res = __hyp_pgtable_total_pages();
+
+ /* Allow 1 GiB for private mappings */
+ res += __hyp_pgtable_max_pages(SZ_1G >> PAGE_SHIFT);
+
+ return res;
+}
+
+static inline unsigned long host_s2_mem_pgtable_pages(void)
+{
+ /*
+ * Include an extra 16 pages to safely upper-bound the worst case of
+ * concatenated pgds.
+ */
+ return __hyp_pgtable_total_pages() + 16;
+}
+
+static inline unsigned long host_s2_dev_pgtable_pages(void)
+{
+ /* Allow 1 GiB for MMIO mappings */
+ return __hyp_pgtable_max_pages(SZ_1G >> PAGE_SHIFT);
+}
+
+#endif /* __KVM_HYP_MM_H */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/spinlock.h b/arch/arm64/kvm/hyp/include/nvhe/spinlock.h
new file mode 100644
index 0000000..76b537f
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/spinlock.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * A stand-alone ticket spinlock implementation for use by the non-VHE
+ * KVM hypervisor code running at EL2.
+ *
+ * Copyright (C) 2020 Google LLC
+ * Author: Will Deacon <will@kernel.org>
+ *
+ * Heavily based on the implementation removed by c11090474d70 which was:
+ * Copyright (C) 2012 ARM Ltd.
+ */
+
+#ifndef __ARM64_KVM_NVHE_SPINLOCK_H__
+#define __ARM64_KVM_NVHE_SPINLOCK_H__
+
+#include <asm/alternative.h>
+#include <asm/lse.h>
+
+typedef union hyp_spinlock {
+ u32 __val;
+ struct {
+#ifdef __AARCH64EB__
+ u16 next, owner;
+#else
+ u16 owner, next;
+#endif
+ };
+} hyp_spinlock_t;
+
+#define hyp_spin_lock_init(l) \
+do { \
+ *(l) = (hyp_spinlock_t){ .__val = 0 }; \
+} while (0)
+
+static inline void hyp_spin_lock(hyp_spinlock_t *lock)
+{
+ u32 tmp;
+ hyp_spinlock_t lockval, newval;
+
+ asm volatile(
+ /* Atomically increment the next ticket. */
+ ARM64_LSE_ATOMIC_INSN(
+ /* LL/SC */
+" prfm pstl1strm, %3\n"
+"1: ldaxr %w0, %3\n"
+" add %w1, %w0, #(1 << 16)\n"
+" stxr %w2, %w1, %3\n"
+" cbnz %w2, 1b\n",
+ /* LSE atomics */
+" mov %w2, #(1 << 16)\n"
+" ldadda %w2, %w0, %3\n"
+ __nops(3))
+
+ /* Did we get the lock? */
+" eor %w1, %w0, %w0, ror #16\n"
+" cbz %w1, 3f\n"
+ /*
+ * No: spin on the owner. Send a local event to avoid missing an
+ * unlock before the exclusive load.
+ */
+" sevl\n"
+"2: wfe\n"
+" ldaxrh %w2, %4\n"
+" eor %w1, %w2, %w0, lsr #16\n"
+" cbnz %w1, 2b\n"
+ /* We got the lock. Critical section starts here. */
+"3:"
+ : "=&r" (lockval), "=&r" (newval), "=&r" (tmp), "+Q" (*lock)
+ : "Q" (lock->owner)
+ : "memory");
+}
+
+static inline void hyp_spin_unlock(hyp_spinlock_t *lock)
+{
+ u64 tmp;
+
+ asm volatile(
+ ARM64_LSE_ATOMIC_INSN(
+ /* LL/SC */
+ " ldrh %w1, %0\n"
+ " add %w1, %w1, #1\n"
+ " stlrh %w1, %0",
+ /* LSE atomics */
+ " mov %w1, #1\n"
+ " staddlh %w1, %0\n"
+ __nops(1))
+ : "=Q" (lock->owner), "=&r" (tmp)
+ :
+ : "memory");
+}
+
+#endif /* __ARM64_KVM_NVHE_SPINLOCK_H__ */
diff --git a/arch/arm64/kvm/hyp/include/nvhe/trap_handler.h b/arch/arm64/kvm/hyp/include/nvhe/trap_handler.h
new file mode 100644
index 0000000..1e6d995
--- /dev/null
+++ b/arch/arm64/kvm/hyp/include/nvhe/trap_handler.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Trap handler helpers.
+ *
+ * Copyright (C) 2020 - Google LLC
+ * Author: Marc Zyngier <maz@kernel.org>
+ */
+
+#ifndef __ARM64_KVM_NVHE_TRAP_HANDLER_H__
+#define __ARM64_KVM_NVHE_TRAP_HANDLER_H__
+
+#include <asm/kvm_host.h>
+
+#define cpu_reg(ctxt, r) (ctxt)->regs.regs[r]
+#define DECLARE_REG(type, name, ctxt, reg) \
+ type name = (type)cpu_reg(ctxt, (reg))
+
+#endif /* __ARM64_KVM_NVHE_TRAP_HANDLER_H__ */
diff --git a/arch/arm64/kvm/hyp/nvhe/.gitignore b/arch/arm64/kvm/hyp/nvhe/.gitignore
index 695d73d..5b6c43c 100644
--- a/arch/arm64/kvm/hyp/nvhe/.gitignore
+++ b/arch/arm64/kvm/hyp/nvhe/.gitignore
@@ -1,2 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
+gen-hyprel
hyp.lds
+hyp-reloc.S
diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
index ddde15f..73bd835 100644
--- a/arch/arm64/kvm/hyp/nvhe/Makefile
+++ b/arch/arm64/kvm/hyp/nvhe/Makefile
@@ -3,12 +3,21 @@
# Makefile for Kernel-based Virtual Machine module, HYP/nVHE part
#
-asflags-y := -D__KVM_NVHE_HYPERVISOR__
-ccflags-y := -D__KVM_NVHE_HYPERVISOR__
+asflags-y := -D__KVM_NVHE_HYPERVISOR__ -D__DISABLE_EXPORTS
+ccflags-y := -D__KVM_NVHE_HYPERVISOR__ -D__DISABLE_EXPORTS -D__DISABLE_TRACE_MMIO__
-obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o hyp-init.o host.o hyp-main.o
+hostprogs := gen-hyprel
+HOST_EXTRACFLAGS += -I$(objtree)/include
+
+lib-objs := clear_page.o copy_page.o memcpy.o memset.o
+lib-objs := $(addprefix ../../../lib/, $(lib-objs))
+
+obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o hyp-init.o host.o \
+ hyp-main.o hyp-smp.o psci-relay.o early_alloc.o stub.o page_alloc.o \
+ cache.o setup.o mm.o mem_protect.o
obj-y += ../vgic-v3-sr.o ../aarch32.o ../vgic-v2-cpuif-proxy.o ../entry.o \
- ../fpsimd.o ../hyp-entry.o
+ ../fpsimd.o ../hyp-entry.o ../exception.o ../pgtable.o
+obj-y += $(lib-objs)
##
## Build rules for compiling nVHE hyp code
@@ -18,7 +27,7 @@
hyp-obj := $(patsubst %.o,%.nvhe.o,$(obj-y))
obj-y := kvm_nvhe.o
-extra-y := $(hyp-obj) kvm_nvhe.tmp.o hyp.lds
+extra-y := $(hyp-obj) kvm_nvhe.tmp.o kvm_nvhe.rel.o hyp.lds hyp-reloc.S hyp-reloc.o
# 1) Compile all source files to `.nvhe.o` object files. The file extension
# avoids file name clashes for files shared with VHE.
@@ -41,19 +50,39 @@
$(obj)/kvm_nvhe.tmp.o: $(obj)/hyp.lds $(addprefix $(obj)/,$(hyp-obj)) FORCE
$(call if_changed,ld)
-# 4) Produce the final 'kvm_nvhe.o', ready to be linked into 'vmlinux'.
+# 4) Generate list of hyp code/data positions that need to be relocated at
+# runtime. Because the hypervisor is part of the kernel binary, relocations
+# produce a kernel VA. We enumerate relocations targeting hyp at build time
+# and convert the kernel VAs at those positions to hyp VAs.
+$(obj)/hyp-reloc.S: $(obj)/kvm_nvhe.tmp.o $(obj)/gen-hyprel
+ $(call if_changed,hyprel)
+
+# 5) Compile hyp-reloc.S and link it into the existing partially linked object.
+# The object file now contains a section with pointers to hyp positions that
+# will contain kernel VAs at runtime. These pointers have relocations on them
+# so that they get updated as the hyp object is linked into `vmlinux`.
+LDFLAGS_kvm_nvhe.rel.o := -r
+$(obj)/kvm_nvhe.rel.o: $(obj)/kvm_nvhe.tmp.o $(obj)/hyp-reloc.o FORCE
+ $(call if_changed,ld)
+
+# 6) Produce the final 'kvm_nvhe.o', ready to be linked into 'vmlinux'.
# Prefixes names of ELF symbols with '__kvm_nvhe_'.
-$(obj)/kvm_nvhe.o: $(obj)/kvm_nvhe.tmp.o FORCE
+$(obj)/kvm_nvhe.o: $(obj)/kvm_nvhe.rel.o FORCE
$(call if_changed,hypcopy)
+# The HYPREL command calls `gen-hyprel` to generate an assembly file with
+# a list of relocations targeting hyp code/data.
+quiet_cmd_hyprel = HYPREL $@
+ cmd_hyprel = $(obj)/gen-hyprel $< > $@
+
# The HYPCOPY command uses `objcopy` to prefix all ELF symbol names
# to avoid clashes with VHE code/data.
quiet_cmd_hypcopy = HYPCOPY $@
cmd_hypcopy = $(OBJCOPY) --prefix-symbols=__kvm_nvhe_ $< $@
-# Remove ftrace and Shadow Call Stack CFLAGS.
-# This is equivalent to the 'notrace' and '__noscs' annotations.
-KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
+# Remove ftrace, Shadow Call Stack and CFI CFLAGS.
+# This is equivalent to the 'notrace', '__noscs' and '__nocfi' annotations.
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS) $(CC_FLAGS_CFI), $(KBUILD_CFLAGS))
# KVM nVHE code is run at a different exception code with a different map, so
# compiler instrumentation that inserts callbacks or checks into the code may
diff --git a/arch/arm64/kvm/hyp/nvhe/cache.S b/arch/arm64/kvm/hyp/nvhe/cache.S
new file mode 100644
index 0000000..36cef69
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/cache.S
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Code copied from arch/arm64/mm/cache.S.
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/alternative.h>
+
+SYM_FUNC_START_PI(__flush_dcache_area)
+ dcache_by_line_op civac, sy, x0, x1, x2, x3
+ ret
+SYM_FUNC_END_PI(__flush_dcache_area)
diff --git a/arch/arm64/kvm/hyp/nvhe/debug-sr.c b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
index f401724..7d3f258 100644
--- a/arch/arm64/kvm/hyp/nvhe/debug-sr.c
+++ b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
@@ -21,17 +21,11 @@ static void __debug_save_spe(u64 *pmscr_el1)
/* Clear pmscr in case of early return */
*pmscr_el1 = 0;
- /* SPE present on this CPU? */
- if (!cpuid_feature_extract_unsigned_field(read_sysreg(id_aa64dfr0_el1),
- ID_AA64DFR0_PMSVER_SHIFT))
- return;
-
- /* Yes; is it owned by EL3? */
- reg = read_sysreg_s(SYS_PMBIDR_EL1);
- if (reg & BIT(SYS_PMBIDR_EL1_P_SHIFT))
- return;
-
- /* No; is the host actually using the thing? */
+ /*
+ * At this point, we know that this CPU implements
+ * SPE and is available to the host.
+ * Check if the host is actually using it ?
+ */
reg = read_sysreg_s(SYS_PMBLIMITR_EL1);
if (!(reg & BIT(SYS_PMBLIMITR_EL1_E_SHIFT)))
return;
@@ -58,10 +52,43 @@ static void __debug_restore_spe(u64 pmscr_el1)
write_sysreg_s(pmscr_el1, SYS_PMSCR_EL1);
}
+static void __debug_save_trace(u64 *trfcr_el1)
+{
+ *trfcr_el1 = 0;
+
+ /* Check if the TRBE is enabled */
+ if (!(read_sysreg_s(SYS_TRBLIMITR_EL1) & TRBLIMITR_ENABLE))
+ return;
+ /*
+ * Prohibit trace generation while we are in guest.
+ * Since access to TRFCR_EL1 is trapped, the guest can't
+ * modify the filtering set by the host.
+ */
+ *trfcr_el1 = read_sysreg_s(SYS_TRFCR_EL1);
+ write_sysreg_s(0, SYS_TRFCR_EL1);
+ isb();
+ /* Drain the trace buffer to memory */
+ tsb_csync();
+ dsb(nsh);
+}
+
+static void __debug_restore_trace(u64 trfcr_el1)
+{
+ if (!trfcr_el1)
+ return;
+
+ /* Restore trace filter controls */
+ write_sysreg_s(trfcr_el1, SYS_TRFCR_EL1);
+}
+
void __debug_save_host_buffers_nvhe(struct kvm_vcpu *vcpu)
{
/* Disable and flush SPE data generation */
- __debug_save_spe(&vcpu->arch.host_debug_state.pmscr_el1);
+ if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_SPE)
+ __debug_save_spe(&vcpu->arch.host_debug_state.pmscr_el1);
+ /* Disable and flush Self-Hosted Trace generation */
+ if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_TRBE)
+ __debug_save_trace(&vcpu->arch.host_debug_state.trfcr_el1);
}
void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
@@ -71,7 +98,10 @@ void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu)
{
- __debug_restore_spe(vcpu->arch.host_debug_state.pmscr_el1);
+ if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_SPE)
+ __debug_restore_spe(vcpu->arch.host_debug_state.pmscr_el1);
+ if (vcpu->arch.flags & KVM_ARM64_DEBUG_STATE_SAVE_TRBE)
+ __debug_restore_trace(vcpu->arch.host_debug_state.trfcr_el1);
}
void __debug_switch_to_host(struct kvm_vcpu *vcpu)
diff --git a/arch/arm64/kvm/hyp/nvhe/early_alloc.c b/arch/arm64/kvm/hyp/nvhe/early_alloc.c
new file mode 100644
index 0000000..1306c43
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/early_alloc.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <asm/kvm_pgtable.h>
+
+#include <nvhe/early_alloc.h>
+#include <nvhe/memory.h>
+
+struct kvm_pgtable_mm_ops hyp_early_alloc_mm_ops;
+s64 __ro_after_init hyp_physvirt_offset;
+
+static unsigned long base;
+static unsigned long end;
+static unsigned long cur;
+
+unsigned long hyp_early_alloc_nr_used_pages(void)
+{
+ return (cur - base) >> PAGE_SHIFT;
+}
+
+void *hyp_early_alloc_contig(unsigned int nr_pages)
+{
+ unsigned long size = (nr_pages << PAGE_SHIFT);
+ void *ret = (void *)cur;
+
+ if (!nr_pages)
+ return NULL;
+
+ if (end - cur < size)
+ return NULL;
+
+ cur += size;
+ memset(ret, 0, size);
+
+ return ret;
+}
+
+void *hyp_early_alloc_page(void *arg)
+{
+ return hyp_early_alloc_contig(1);
+}
+
+void hyp_early_alloc_init(void *virt, unsigned long size)
+{
+ base = cur = (unsigned long)virt;
+ end = base + size;
+
+ hyp_early_alloc_mm_ops.zalloc_page = hyp_early_alloc_page;
+ hyp_early_alloc_mm_ops.phys_to_virt = hyp_phys_to_virt;
+ hyp_early_alloc_mm_ops.virt_to_phys = hyp_virt_to_phys;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c b/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c
new file mode 100644
index 0000000..6bc88a7
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/gen-hyprel.c
@@ -0,0 +1,456 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ *
+ * Generates relocation information used by the kernel to convert
+ * absolute addresses in hyp data from kernel VAs to hyp VAs.
+ *
+ * This is necessary because hyp code is linked into the same binary
+ * as the kernel but executes under different memory mappings.
+ * If the compiler used absolute addressing, those addresses need to
+ * be converted before they are used by hyp code.
+ *
+ * The input of this program is the relocatable ELF object containing
+ * all hyp code/data, not yet linked into vmlinux. Hyp section names
+ * should have been prefixed with `.hyp` at this point.
+ *
+ * The output (printed to stdout) is an assembly file containing
+ * an array of 32-bit integers and static relocations that instruct
+ * the linker of `vmlinux` to populate the array entries with offsets
+ * to positions in the kernel binary containing VAs used by hyp code.
+ *
+ * Note that dynamic relocations could be used for the same purpose.
+ * However, those are only generated if CONFIG_RELOCATABLE=y.
+ */
+
+#include <elf.h>
+#include <endian.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <generated/autoconf.h>
+
+#define HYP_SECTION_PREFIX ".hyp"
+#define HYP_RELOC_SECTION ".hyp.reloc"
+#define HYP_SECTION_SYMBOL_PREFIX "__hyp_section_"
+
+/*
+ * AArch64 relocation type constants.
+ * Included in case these are not defined in the host toolchain.
+ */
+#ifndef R_AARCH64_ABS64
+#define R_AARCH64_ABS64 257
+#endif
+#ifndef R_AARCH64_PREL64
+#define R_AARCH64_PREL64 260
+#endif
+#ifndef R_AARCH64_PREL32
+#define R_AARCH64_PREL32 261
+#endif
+#ifndef R_AARCH64_PREL16
+#define R_AARCH64_PREL16 262
+#endif
+#ifndef R_AARCH64_PLT32
+#define R_AARCH64_PLT32 314
+#endif
+#ifndef R_AARCH64_LD_PREL_LO19
+#define R_AARCH64_LD_PREL_LO19 273
+#endif
+#ifndef R_AARCH64_ADR_PREL_LO21
+#define R_AARCH64_ADR_PREL_LO21 274
+#endif
+#ifndef R_AARCH64_ADR_PREL_PG_HI21
+#define R_AARCH64_ADR_PREL_PG_HI21 275
+#endif
+#ifndef R_AARCH64_ADR_PREL_PG_HI21_NC
+#define R_AARCH64_ADR_PREL_PG_HI21_NC 276
+#endif
+#ifndef R_AARCH64_ADD_ABS_LO12_NC
+#define R_AARCH64_ADD_ABS_LO12_NC 277
+#endif
+#ifndef R_AARCH64_LDST8_ABS_LO12_NC
+#define R_AARCH64_LDST8_ABS_LO12_NC 278
+#endif
+#ifndef R_AARCH64_TSTBR14
+#define R_AARCH64_TSTBR14 279
+#endif
+#ifndef R_AARCH64_CONDBR19
+#define R_AARCH64_CONDBR19 280
+#endif
+#ifndef R_AARCH64_JUMP26
+#define R_AARCH64_JUMP26 282
+#endif
+#ifndef R_AARCH64_CALL26
+#define R_AARCH64_CALL26 283
+#endif
+#ifndef R_AARCH64_LDST16_ABS_LO12_NC
+#define R_AARCH64_LDST16_ABS_LO12_NC 284
+#endif
+#ifndef R_AARCH64_LDST32_ABS_LO12_NC
+#define R_AARCH64_LDST32_ABS_LO12_NC 285
+#endif
+#ifndef R_AARCH64_LDST64_ABS_LO12_NC
+#define R_AARCH64_LDST64_ABS_LO12_NC 286
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G0
+#define R_AARCH64_MOVW_PREL_G0 287
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G0_NC
+#define R_AARCH64_MOVW_PREL_G0_NC 288
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G1
+#define R_AARCH64_MOVW_PREL_G1 289
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G1_NC
+#define R_AARCH64_MOVW_PREL_G1_NC 290
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G2
+#define R_AARCH64_MOVW_PREL_G2 291
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G2_NC
+#define R_AARCH64_MOVW_PREL_G2_NC 292
+#endif
+#ifndef R_AARCH64_MOVW_PREL_G3
+#define R_AARCH64_MOVW_PREL_G3 293
+#endif
+#ifndef R_AARCH64_LDST128_ABS_LO12_NC
+#define R_AARCH64_LDST128_ABS_LO12_NC 299
+#endif
+
+/* Global state of the processed ELF. */
+static struct {
+ const char *path;
+ char *begin;
+ size_t size;
+ Elf64_Ehdr *ehdr;
+ Elf64_Shdr *sh_table;
+ const char *sh_string;
+} elf;
+
+#if defined(CONFIG_CPU_LITTLE_ENDIAN)
+
+#define elf16toh(x) le16toh(x)
+#define elf32toh(x) le32toh(x)
+#define elf64toh(x) le64toh(x)
+
+#define ELFENDIAN ELFDATA2LSB
+
+#elif defined(CONFIG_CPU_BIG_ENDIAN)
+
+#define elf16toh(x) be16toh(x)
+#define elf32toh(x) be32toh(x)
+#define elf64toh(x) be64toh(x)
+
+#define ELFENDIAN ELFDATA2MSB
+
+#else
+
+#error PDP-endian sadly unsupported...
+
+#endif
+
+#define fatal_error(fmt, ...) \
+ ({ \
+ fprintf(stderr, "error: %s: " fmt "\n", \
+ elf.path, ## __VA_ARGS__); \
+ exit(EXIT_FAILURE); \
+ __builtin_unreachable(); \
+ })
+
+#define fatal_perror(msg) \
+ ({ \
+ fprintf(stderr, "error: %s: " msg ": %s\n", \
+ elf.path, strerror(errno)); \
+ exit(EXIT_FAILURE); \
+ __builtin_unreachable(); \
+ })
+
+#define assert_op(lhs, rhs, fmt, op) \
+ ({ \
+ typeof(lhs) _lhs = (lhs); \
+ typeof(rhs) _rhs = (rhs); \
+ \
+ if (!(_lhs op _rhs)) { \
+ fatal_error("assertion " #lhs " " #op " " #rhs \
+ " failed (lhs=" fmt ", rhs=" fmt \
+ ", line=%d)", _lhs, _rhs, __LINE__); \
+ } \
+ })
+
+#define assert_eq(lhs, rhs, fmt) assert_op(lhs, rhs, fmt, ==)
+#define assert_ne(lhs, rhs, fmt) assert_op(lhs, rhs, fmt, !=)
+#define assert_lt(lhs, rhs, fmt) assert_op(lhs, rhs, fmt, <)
+#define assert_ge(lhs, rhs, fmt) assert_op(lhs, rhs, fmt, >=)
+
+/*
+ * Return a pointer of a given type at a given offset from
+ * the beginning of the ELF file.
+ */
+#define elf_ptr(type, off) ((type *)(elf.begin + (off)))
+
+/* Iterate over all sections in the ELF. */
+#define for_each_section(var) \
+ for (var = elf.sh_table; var < elf.sh_table + elf16toh(elf.ehdr->e_shnum); ++var)
+
+/* Iterate over all Elf64_Rela relocations in a given section. */
+#define for_each_rela(shdr, var) \
+ for (var = elf_ptr(Elf64_Rela, elf64toh(shdr->sh_offset)); \
+ var < elf_ptr(Elf64_Rela, elf64toh(shdr->sh_offset) + elf64toh(shdr->sh_size)); var++)
+
+/* True if a string starts with a given prefix. */
+static inline bool starts_with(const char *str, const char *prefix)
+{
+ return memcmp(str, prefix, strlen(prefix)) == 0;
+}
+
+/* Returns a string containing the name of a given section. */
+static inline const char *section_name(Elf64_Shdr *shdr)
+{
+ return elf.sh_string + elf32toh(shdr->sh_name);
+}
+
+/* Returns a pointer to the first byte of section data. */
+static inline const char *section_begin(Elf64_Shdr *shdr)
+{
+ return elf_ptr(char, elf64toh(shdr->sh_offset));
+}
+
+/* Find a section by its offset from the beginning of the file. */
+static inline Elf64_Shdr *section_by_off(Elf64_Off off)
+{
+ assert_ne(off, 0UL, "%lu");
+ return elf_ptr(Elf64_Shdr, off);
+}
+
+/* Find a section by its index. */
+static inline Elf64_Shdr *section_by_idx(uint16_t idx)
+{
+ assert_ne(idx, SHN_UNDEF, "%u");
+ return &elf.sh_table[idx];
+}
+
+/*
+ * Memory-map the given ELF file, perform sanity checks, and
+ * populate global state.
+ */
+static void init_elf(const char *path)
+{
+ int fd, ret;
+ struct stat stat;
+
+ /* Store path in the global struct for error printing. */
+ elf.path = path;
+
+ /* Open the ELF file. */
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ fatal_perror("Could not open ELF file");
+
+ /* Get status of ELF file to obtain its size. */
+ ret = fstat(fd, &stat);
+ if (ret < 0) {
+ close(fd);
+ fatal_perror("Could not get status of ELF file");
+ }
+
+ /* mmap() the entire ELF file read-only at an arbitrary address. */
+ elf.begin = mmap(0, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+ if (elf.begin == MAP_FAILED) {
+ close(fd);
+ fatal_perror("Could not mmap ELF file");
+ }
+
+ /* mmap() was successful, close the FD. */
+ close(fd);
+
+ /* Get pointer to the ELF header. */
+ assert_ge(stat.st_size, sizeof(*elf.ehdr), "%lu");
+ elf.ehdr = elf_ptr(Elf64_Ehdr, 0);
+
+ /* Check the ELF magic. */
+ assert_eq(elf.ehdr->e_ident[EI_MAG0], ELFMAG0, "0x%x");
+ assert_eq(elf.ehdr->e_ident[EI_MAG1], ELFMAG1, "0x%x");
+ assert_eq(elf.ehdr->e_ident[EI_MAG2], ELFMAG2, "0x%x");
+ assert_eq(elf.ehdr->e_ident[EI_MAG3], ELFMAG3, "0x%x");
+
+ /* Sanity check that this is an ELF64 relocatable object for AArch64. */
+ assert_eq(elf.ehdr->e_ident[EI_CLASS], ELFCLASS64, "%u");
+ assert_eq(elf.ehdr->e_ident[EI_DATA], ELFENDIAN, "%u");
+ assert_eq(elf16toh(elf.ehdr->e_type), ET_REL, "%u");
+ assert_eq(elf16toh(elf.ehdr->e_machine), EM_AARCH64, "%u");
+
+ /* Populate fields of the global struct. */
+ elf.sh_table = section_by_off(elf64toh(elf.ehdr->e_shoff));
+ elf.sh_string = section_begin(section_by_idx(elf16toh(elf.ehdr->e_shstrndx)));
+}
+
+/* Print the prologue of the output ASM file. */
+static void emit_prologue(void)
+{
+ printf(".data\n"
+ ".pushsection " HYP_RELOC_SECTION ", \"a\"\n");
+}
+
+/* Print ASM statements needed as a prologue to a processed hyp section. */
+static void emit_section_prologue(const char *sh_orig_name)
+{
+ /* Declare the hyp section symbol. */
+ printf(".global %s%s\n", HYP_SECTION_SYMBOL_PREFIX, sh_orig_name);
+}
+
+/*
+ * Print ASM statements to create a hyp relocation entry for a given
+ * R_AARCH64_ABS64 relocation.
+ *
+ * The linker of vmlinux will populate the position given by `rela` with
+ * an absolute 64-bit kernel VA. If the kernel is relocatable, it will
+ * also generate a dynamic relocation entry so that the kernel can shift
+ * the address at runtime for KASLR.
+ *
+ * Emit a 32-bit offset from the current address to the position given
+ * by `rela`. This way the kernel can iterate over all kernel VAs used
+ * by hyp at runtime and convert them to hyp VAs. However, that offset
+ * will not be known until linking of `vmlinux`, so emit a PREL32
+ * relocation referencing a symbol that the hyp linker script put at
+ * the beginning of the relocated section + the offset from `rela`.
+ */
+static void emit_rela_abs64(Elf64_Rela *rela, const char *sh_orig_name)
+{
+ /* Offset of this reloc from the beginning of HYP_RELOC_SECTION. */
+ static size_t reloc_offset;
+
+ /* Create storage for the 32-bit offset. */
+ printf(".word 0\n");
+
+ /*
+ * Create a PREL32 relocation which instructs the linker of `vmlinux`
+ * to insert offset to position <base> + <offset>, where <base> is
+ * a symbol at the beginning of the relocated section, and <offset>
+ * is `rela->r_offset`.
+ */
+ printf(".reloc %lu, R_AARCH64_PREL32, %s%s + 0x%lx\n",
+ reloc_offset, HYP_SECTION_SYMBOL_PREFIX, sh_orig_name,
+ elf64toh(rela->r_offset));
+
+ reloc_offset += 4;
+}
+
+/* Print the epilogue of the output ASM file. */
+static void emit_epilogue(void)
+{
+ printf(".popsection\n");
+}
+
+/*
+ * Iterate over all RELA relocations in a given section and emit
+ * hyp relocation data for all absolute addresses in hyp code/data.
+ *
+ * Static relocations that generate PC-relative-addressing are ignored.
+ * Failure is reported for unexpected relocation types.
+ */
+static void emit_rela_section(Elf64_Shdr *sh_rela)
+{
+ Elf64_Shdr *sh_orig = &elf.sh_table[elf32toh(sh_rela->sh_info)];
+ const char *sh_orig_name = section_name(sh_orig);
+ Elf64_Rela *rela;
+
+ /* Skip all non-hyp sections. */
+ if (!starts_with(sh_orig_name, HYP_SECTION_PREFIX))
+ return;
+
+ emit_section_prologue(sh_orig_name);
+
+ for_each_rela(sh_rela, rela) {
+ uint32_t type = (uint32_t)elf64toh(rela->r_info);
+
+ /* Check that rela points inside the relocated section. */
+ assert_lt(elf64toh(rela->r_offset), elf64toh(sh_orig->sh_size), "0x%lx");
+
+ switch (type) {
+ /*
+ * Data relocations to generate absolute addressing.
+ * Emit a hyp relocation.
+ */
+ case R_AARCH64_ABS64:
+ emit_rela_abs64(rela, sh_orig_name);
+ break;
+ /* Allow position-relative data relocations. */
+ case R_AARCH64_PREL64:
+ case R_AARCH64_PREL32:
+ case R_AARCH64_PREL16:
+ case R_AARCH64_PLT32:
+ break;
+ /* Allow relocations to generate PC-relative addressing. */
+ case R_AARCH64_LD_PREL_LO19:
+ case R_AARCH64_ADR_PREL_LO21:
+ case R_AARCH64_ADR_PREL_PG_HI21:
+ case R_AARCH64_ADR_PREL_PG_HI21_NC:
+ case R_AARCH64_ADD_ABS_LO12_NC:
+ case R_AARCH64_LDST8_ABS_LO12_NC:
+ case R_AARCH64_LDST16_ABS_LO12_NC:
+ case R_AARCH64_LDST32_ABS_LO12_NC:
+ case R_AARCH64_LDST64_ABS_LO12_NC:
+ case R_AARCH64_LDST128_ABS_LO12_NC:
+ break;
+ /* Allow relative relocations for control-flow instructions. */
+ case R_AARCH64_TSTBR14:
+ case R_AARCH64_CONDBR19:
+ case R_AARCH64_JUMP26:
+ case R_AARCH64_CALL26:
+ break;
+ /* Allow group relocations to create PC-relative offset inline. */
+ case R_AARCH64_MOVW_PREL_G0:
+ case R_AARCH64_MOVW_PREL_G0_NC:
+ case R_AARCH64_MOVW_PREL_G1:
+ case R_AARCH64_MOVW_PREL_G1_NC:
+ case R_AARCH64_MOVW_PREL_G2:
+ case R_AARCH64_MOVW_PREL_G2_NC:
+ case R_AARCH64_MOVW_PREL_G3:
+ break;
+ default:
+ fatal_error("Unexpected RELA type %u", type);
+ }
+ }
+}
+
+/* Iterate over all sections and emit hyp relocation data for RELA sections. */
+static void emit_all_relocs(void)
+{
+ Elf64_Shdr *shdr;
+
+ for_each_section(shdr) {
+ switch (elf32toh(shdr->sh_type)) {
+ case SHT_REL:
+ fatal_error("Unexpected SHT_REL section \"%s\"",
+ section_name(shdr));
+ case SHT_RELA:
+ emit_rela_section(shdr);
+ break;
+ }
+ }
+}
+
+int main(int argc, const char **argv)
+{
+ if (argc != 2) {
+ fprintf(stderr, "Usage: %s <elf_input>\n", argv[0]);
+ return EXIT_FAILURE;
+ }
+
+ init_elf(argv[1]);
+
+ emit_prologue();
+ emit_all_relocs();
+ emit_epilogue();
+
+ return EXIT_SUCCESS;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/host.S b/arch/arm64/kvm/hyp/nvhe/host.S
index 4f57a80..53c1107 100644
--- a/arch/arm64/kvm/hyp/nvhe/host.S
+++ b/arch/arm64/kvm/hyp/nvhe/host.S
@@ -13,8 +13,6 @@
.text
SYM_FUNC_START(__host_exit)
- stp x0, x1, [sp, #-16]!
-
get_host_ctxt x0, x1
/* Store the host regs x2 and x3 */
@@ -41,6 +39,7 @@
bl handle_trap
/* Restore host regs x0-x17 */
+__host_enter_restore_full:
ldp x0, x1, [x29, #CPU_XREG_OFFSET(0)]
ldp x2, x3, [x29, #CPU_XREG_OFFSET(2)]
ldp x4, x5, [x29, #CPU_XREG_OFFSET(4)]
@@ -64,29 +63,39 @@
SYM_FUNC_END(__host_exit)
/*
+ * void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt);
+ */
+SYM_FUNC_START(__host_enter)
+ mov x29, x0
+ b __host_enter_restore_full
+SYM_FUNC_END(__host_enter)
+
+/*
* void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
* u64 elr, u64 par);
*/
SYM_FUNC_START(__hyp_do_panic)
- mov x29, x0
-
- /* Load the format string into x0 and arguments into x1-7 */
- ldr x0, =__hyp_panic_string
-
- mov x6, x3
- get_vcpu_ptr x7, x3
-
- mrs x3, esr_el2
- mrs x4, far_el2
- mrs x5, hpfar_el2
-
/* Prepare and exit to the host's panic funciton. */
mov lr, #(PSR_F_BIT | PSR_I_BIT | PSR_A_BIT | PSR_D_BIT |\
PSR_MODE_EL1h)
msr spsr_el2, lr
ldr lr, =panic
+ hyp_kimg_va lr, x6
msr elr_el2, lr
+ mov x29, x0
+
+ /* Load the format string into x0 and arguments into x1-7 */
+ ldr x0, =__hyp_panic_string
+ hyp_kimg_va x0, x6
+
+ /* Load the format arguments into x1-7. */
+ mov x6, x3
+ get_vcpu_ptr x7, x3
+ mrs x3, esr_el2
+ mrs x4, far_el2
+ mrs x5, hpfar_el2
+
/* Enter the host, conditionally restoring the host context. */
cbz x29, __host_enter_without_restoring
b __host_enter_for_panic
@@ -99,13 +108,15 @@
mrs x0, esr_el2
ubfx x0, x0, #ESR_ELx_EC_SHIFT, #ESR_ELx_EC_WIDTH
cmp x0, #ESR_ELx_EC_HVC64
- ldp x0, x1, [sp], #16
b.ne __host_exit
+ ldp x0, x1, [sp] // Don't fixup the stack yet
+
/* Check for a stub HVC call */
cmp x0, #HVC_STUB_HCALL_NR
b.hs __host_exit
+ add sp, sp, #16
/*
* Compute the idmap address of __kvm_handle_stub_hvc and
* jump there. Since we use kimage_voffset, do not use the
@@ -115,10 +126,7 @@
* Preserve x0-x4, which may contain stub parameters.
*/
ldr x5, =__kvm_handle_stub_hvc
- ldr_l x6, kimage_voffset
-
- /* x5 = __pa(x5) */
- sub x5, x5, x6
+ hyp_pa x5, x6
br x5
.L__vect_end\@:
.if ((.L__vect_end\@ - .L__vect_start\@) > 0x80)
@@ -183,3 +191,41 @@
invalid_host_el1_vect // FIQ 32-bit EL1
invalid_host_el1_vect // Error 32-bit EL1
SYM_CODE_END(__kvm_hyp_host_vector)
+
+/*
+ * Forward SMC with arguments in struct kvm_cpu_context, and
+ * store the result into the same struct. Assumes SMCCC 1.2 or older.
+ *
+ * x0: struct kvm_cpu_context*
+ */
+SYM_CODE_START(__kvm_hyp_host_forward_smc)
+ /*
+ * Use x18 to keep the pointer to the host context because
+ * x18 is callee-saved in SMCCC but not in AAPCS64.
+ */
+ mov x18, x0
+
+ ldp x0, x1, [x18, #CPU_XREG_OFFSET(0)]
+ ldp x2, x3, [x18, #CPU_XREG_OFFSET(2)]
+ ldp x4, x5, [x18, #CPU_XREG_OFFSET(4)]
+ ldp x6, x7, [x18, #CPU_XREG_OFFSET(6)]
+ ldp x8, x9, [x18, #CPU_XREG_OFFSET(8)]
+ ldp x10, x11, [x18, #CPU_XREG_OFFSET(10)]
+ ldp x12, x13, [x18, #CPU_XREG_OFFSET(12)]
+ ldp x14, x15, [x18, #CPU_XREG_OFFSET(14)]
+ ldp x16, x17, [x18, #CPU_XREG_OFFSET(16)]
+
+ smc #0
+
+ stp x0, x1, [x18, #CPU_XREG_OFFSET(0)]
+ stp x2, x3, [x18, #CPU_XREG_OFFSET(2)]
+ stp x4, x5, [x18, #CPU_XREG_OFFSET(4)]
+ stp x6, x7, [x18, #CPU_XREG_OFFSET(6)]
+ stp x8, x9, [x18, #CPU_XREG_OFFSET(8)]
+ stp x10, x11, [x18, #CPU_XREG_OFFSET(10)]
+ stp x12, x13, [x18, #CPU_XREG_OFFSET(12)]
+ stp x14, x15, [x18, #CPU_XREG_OFFSET(14)]
+ stp x16, x17, [x18, #CPU_XREG_OFFSET(16)]
+
+ ret
+SYM_CODE_END(__kvm_hyp_host_forward_smc)
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-init.S b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
index b11a9d7..c953fb4b 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-init.S
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
@@ -9,6 +9,7 @@
#include <asm/alternative.h>
#include <asm/assembler.h>
+#include <asm/el2_setup.h>
#include <asm/kvm_arm.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_mmu.h>
@@ -17,7 +18,7 @@
#include <asm/virt.h>
.text
- .pushsection .hyp.idmap.text, "ax"
+ .pushsection .idmap.text, "ax"
.align 11
@@ -46,86 +47,82 @@
b .
/*
+ * Only uses x0..x3 so as to not clobber callee-saved SMCCC registers.
+ *
* x0: SMCCC function ID
- * x1: HYP pgd
- * x2: per-CPU offset
- * x3: HYP stack
- * x4: HYP vectors
+ * x1: struct kvm_nvhe_init_params PA
*/
__do_hyp_init:
/* Check for a stub HVC call */
cmp x0, #HVC_STUB_HCALL_NR
b.lo __kvm_handle_stub_hvc
- // We only actively check bits [24:31], and everything
- // else has to be zero, which we check at build time.
-#if (KVM_HOST_SMCCC_FUNC(__kvm_hyp_init) & 0xFFFFFFFF00FFFFFF)
-#error Unexpected __KVM_HOST_SMCCC_FUNC___kvm_hyp_init value
-#endif
+ mov x3, #KVM_HOST_SMCCC_FUNC(__kvm_hyp_init)
+ cmp x0, x3
+ b.eq 1f
- ror x0, x0, #24
- eor x0, x0, #((KVM_HOST_SMCCC_FUNC(__kvm_hyp_init) >> 24) & 0xF)
- ror x0, x0, #4
- eor x0, x0, #((KVM_HOST_SMCCC_FUNC(__kvm_hyp_init) >> 28) & 0xF)
- cbz x0, 1f
mov x0, #SMCCC_RET_NOT_SUPPORTED
eret
-1:
- /* Set tpidr_el2 for use by HYP to free a register */
- msr tpidr_el2, x2
+1: mov x0, x1
+ mov x3, lr
+ bl ___kvm_hyp_init // Clobbers x0..x2
+ mov lr, x3
- phys_to_ttbr x0, x1
+ /* Hello, World! */
+ mov x0, #SMCCC_RET_SUCCESS
+ eret
+SYM_CODE_END(__kvm_hyp_init)
+
+/*
+ * Initialize the hypervisor in EL2.
+ *
+ * Only uses x0..x2 so as to not clobber callee-saved SMCCC registers
+ * and leave x3 for the caller.
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ */
+SYM_CODE_START_LOCAL(___kvm_hyp_init)
+ ldr x1, [x0, #NVHE_INIT_TPIDR_EL2]
+ msr tpidr_el2, x1
+
+ ldr x1, [x0, #NVHE_INIT_STACK_HYP_VA]
+ mov sp, x1
+
+ ldr x1, [x0, #NVHE_INIT_MAIR_EL2]
+ msr mair_el2, x1
+
+ ldr x1, [x0, #NVHE_INIT_HCR_EL2]
+ msr hcr_el2, x1
+
+ ldr x1, [x0, #NVHE_INIT_VTTBR]
+ msr vttbr_el2, x1
+
+ ldr x1, [x0, #NVHE_INIT_VTCR]
+ msr vtcr_el2, x1
+
+ ldr x1, [x0, #NVHE_INIT_PGD_PA]
+ phys_to_ttbr x2, x1
alternative_if ARM64_HAS_CNP
- orr x0, x0, #TTBR_CNP_BIT
+ orr x2, x2, #TTBR_CNP_BIT
alternative_else_nop_endif
- msr ttbr0_el2, x0
-
- mrs x0, tcr_el1
- mov_q x1, TCR_EL2_MASK
- and x0, x0, x1
- mov x1, #TCR_EL2_RES1
- orr x0, x0, x1
-
- /*
- * The ID map may be configured to use an extended virtual address
- * range. This is only the case if system RAM is out of range for the
- * currently configured page size and VA_BITS, in which case we will
- * also need the extended virtual range for the HYP ID map, or we won't
- * be able to enable the EL2 MMU.
- *
- * However, at EL2, there is only one TTBR register, and we can't switch
- * between translation tables *and* update TCR_EL2.T0SZ at the same
- * time. Bottom line: we need to use the extended range with *both* our
- * translation tables.
- *
- * So use the same T0SZ value we use for the ID map.
- */
- ldr_l x1, idmap_t0sz
- bfi x0, x1, TCR_T0SZ_OFFSET, TCR_TxSZ_WIDTH
+ msr ttbr0_el2, x2
/*
* Set the PS bits in TCR_EL2.
*/
+ ldr x0, [x0, #NVHE_INIT_TCR_EL2]
tcr_compute_pa_size x0, #TCR_EL2_PS_SHIFT, x1, x2
-
msr tcr_el2, x0
- mrs x0, mair_el1
- msr mair_el2, x0
isb
/* Invalidate the stale TLBs from Bootloader */
tlbi alle2
+ tlbi vmalls12e1
dsb sy
- /*
- * Preserve all the RES1 bits while setting the default flags,
- * as well as the EE bit on BE. Drop the A flag since the compiler
- * is allowed to generate unaligned accesses.
- */
- mov_q x0, (SCTLR_EL2_RES1 | (SCTLR_ELx_FLAGS & ~SCTLR_ELx_A))
-CPU_BE( orr x0, x0, #SCTLR_ELx_EE)
+ mov_q x0, INIT_SCTLR_EL2_MMU_ON
alternative_if ARM64_HAS_ADDRESS_AUTH
mov_q x1, (SCTLR_ELx_ENIA | SCTLR_ELx_ENIB | \
SCTLR_ELx_ENDA | SCTLR_ELx_ENDB)
@@ -134,14 +131,68 @@
msr sctlr_el2, x0
isb
- /* Set the stack and new vectors */
- mov sp, x3
- msr vbar_el2, x4
+ /* Set the host vector */
+ ldr x0, =__kvm_hyp_host_vector
+ msr vbar_el2, x0
- /* Hello, World! */
- mov x0, #SMCCC_RET_SUCCESS
- eret
-SYM_CODE_END(__kvm_hyp_init)
+ ret
+SYM_CODE_END(___kvm_hyp_init)
+
+/*
+ * PSCI CPU_ON entry point
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ */
+SYM_CODE_START(kvm_hyp_cpu_entry)
+ mov x1, #1 // is_cpu_on = true
+ b __kvm_hyp_init_cpu
+SYM_CODE_END(kvm_hyp_cpu_entry)
+
+/*
+ * PSCI CPU_SUSPEND / SYSTEM_SUSPEND entry point
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ */
+SYM_CODE_START(kvm_hyp_cpu_resume)
+ mov x1, #0 // is_cpu_on = false
+ b __kvm_hyp_init_cpu
+SYM_CODE_END(kvm_hyp_cpu_resume)
+
+/*
+ * Common code for CPU entry points. Initializes EL2 state and
+ * installs the hypervisor before handing over to a C handler.
+ *
+ * x0: struct kvm_nvhe_init_params PA
+ * x1: bool is_cpu_on
+ */
+SYM_CODE_START_LOCAL(__kvm_hyp_init_cpu)
+ mov x28, x0 // Stash arguments
+ mov x29, x1
+
+ /* Check that the core was booted in EL2. */
+ mrs x0, CurrentEL
+ cmp x0, #CurrentEL_EL2
+ b.eq 2f
+
+ /* The core booted in EL1. KVM cannot be initialized on it. */
+1: wfe
+ wfi
+ b 1b
+
+2: msr SPsel, #1 // We want to use SP_EL{1,2}
+
+ /* Initialize EL2 CPU state to sane values. */
+ init_el2_state // Clobbers x0..x2
+
+ /* Enable MMU, set vectors and stack. */
+ mov x0, x28
+ bl ___kvm_hyp_init // Clobbers x0..x2
+
+ /* Leave idmap. */
+ mov x0, x29
+ ldr x1, =kvm_host_psci_cpu_entry
+ br x1
+SYM_CODE_END(__kvm_hyp_init_cpu)
SYM_CODE_START(__kvm_handle_stub_hvc)
cmp x0, #HVC_SOFT_RESTART
@@ -169,13 +220,16 @@
mov x0, xzr
reset:
/* Reset kvm back to the hyp stub. */
- mrs x5, sctlr_el2
- mov_q x6, SCTLR_ELx_FLAGS
- bic x5, x5, x6 // Clear SCTL_M and etc
+ mov_q x5, INIT_SCTLR_EL2_MMU_OFF
pre_disable_mmu_workaround
msr sctlr_el2, x5
isb
+alternative_if ARM64_KVM_PROTECTED_MODE
+ mov_q x5, HCR_HOST_NVHE_FLAGS
+ msr hcr_el2, x5
+alternative_else_nop_endif
+
/* Install stub vectors */
adr_l x5, __hyp_stub_vectors
msr vbar_el2, x5
@@ -187,4 +241,31 @@
SYM_CODE_END(__kvm_handle_stub_hvc)
+SYM_FUNC_START(__pkvm_init_switch_pgd)
+ /* Turn the MMU off */
+ pre_disable_mmu_workaround
+ mrs x2, sctlr_el2
+ bic x3, x2, #SCTLR_ELx_M
+ msr sctlr_el2, x3
+ isb
+
+ tlbi alle2
+
+ /* Install the new pgtables */
+ ldr x3, [x0, #NVHE_INIT_PGD_PA]
+ phys_to_ttbr x4, x3
+alternative_if ARM64_HAS_CNP
+ orr x4, x4, #TTBR_CNP_BIT
+alternative_else_nop_endif
+ msr ttbr0_el2, x4
+
+ /* Set the new stack pointer */
+ ldr x0, [x0, #NVHE_INIT_STACK_HYP_VA]
+ mov sp, x0
+
+ /* And turn the MMU back on! */
+ set_sctlr_el2 x2
+ ret x1
+SYM_FUNC_END(__pkvm_init_switch_pgd)
+
.popsection
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index 3df30b4..b4eaa7e 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -6,112 +6,251 @@
#include <hyp/switch.h>
+#include <asm/pgtable-types.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_emulate.h>
#include <asm/kvm_host.h>
#include <asm/kvm_hyp.h>
#include <asm/kvm_mmu.h>
-#include <kvm/arm_hypercalls.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+#include <nvhe/trap_handler.h>
-static void handle_host_hcall(unsigned long func_id,
- struct kvm_cpu_context *host_ctxt)
+DEFINE_PER_CPU(struct kvm_nvhe_init_params, kvm_init_params);
+
+void __kvm_hyp_host_forward_smc(struct kvm_cpu_context *host_ctxt);
+
+static void handle___kvm_vcpu_run(struct kvm_cpu_context *host_ctxt)
{
- unsigned long ret = 0;
+ DECLARE_REG(struct kvm_vcpu *, vcpu, host_ctxt, 1);
- switch (func_id) {
- case KVM_HOST_SMCCC_FUNC(__kvm_vcpu_run): {
- unsigned long r1 = host_ctxt->regs.regs[1];
- struct kvm_vcpu *vcpu = (struct kvm_vcpu *)r1;
+ cpu_reg(host_ctxt, 1) = __kvm_vcpu_run(kern_hyp_va(vcpu));
+}
- ret = __kvm_vcpu_run(kern_hyp_va(vcpu));
- break;
- }
- case KVM_HOST_SMCCC_FUNC(__kvm_flush_vm_context):
- __kvm_flush_vm_context();
- break;
- case KVM_HOST_SMCCC_FUNC(__kvm_tlb_flush_vmid_ipa): {
- unsigned long r1 = host_ctxt->regs.regs[1];
- struct kvm_s2_mmu *mmu = (struct kvm_s2_mmu *)r1;
- phys_addr_t ipa = host_ctxt->regs.regs[2];
- int level = host_ctxt->regs.regs[3];
+static void handle___kvm_flush_vm_context(struct kvm_cpu_context *host_ctxt)
+{
+ __kvm_flush_vm_context();
+}
- __kvm_tlb_flush_vmid_ipa(kern_hyp_va(mmu), ipa, level);
- break;
- }
- case KVM_HOST_SMCCC_FUNC(__kvm_tlb_flush_vmid): {
- unsigned long r1 = host_ctxt->regs.regs[1];
- struct kvm_s2_mmu *mmu = (struct kvm_s2_mmu *)r1;
+static void handle___kvm_tlb_flush_vmid_ipa(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(struct kvm_s2_mmu *, mmu, host_ctxt, 1);
+ DECLARE_REG(phys_addr_t, ipa, host_ctxt, 2);
+ DECLARE_REG(int, level, host_ctxt, 3);
- __kvm_tlb_flush_vmid(kern_hyp_va(mmu));
- break;
- }
- case KVM_HOST_SMCCC_FUNC(__kvm_flush_cpu_context): {
- unsigned long r1 = host_ctxt->regs.regs[1];
- struct kvm_s2_mmu *mmu = (struct kvm_s2_mmu *)r1;
+ __kvm_tlb_flush_vmid_ipa(kern_hyp_va(mmu), ipa, level);
+}
- __kvm_flush_cpu_context(kern_hyp_va(mmu));
- break;
- }
- case KVM_HOST_SMCCC_FUNC(__kvm_timer_set_cntvoff): {
- u64 cntvoff = host_ctxt->regs.regs[1];
+static void handle___kvm_tlb_flush_vmid(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(struct kvm_s2_mmu *, mmu, host_ctxt, 1);
- __kvm_timer_set_cntvoff(cntvoff);
- break;
- }
- case KVM_HOST_SMCCC_FUNC(__kvm_enable_ssbs):
- __kvm_enable_ssbs();
- break;
- case KVM_HOST_SMCCC_FUNC(__vgic_v3_get_ich_vtr_el2):
- ret = __vgic_v3_get_ich_vtr_el2();
- break;
- case KVM_HOST_SMCCC_FUNC(__vgic_v3_read_vmcr):
- ret = __vgic_v3_read_vmcr();
- break;
- case KVM_HOST_SMCCC_FUNC(__vgic_v3_write_vmcr): {
- u32 vmcr = host_ctxt->regs.regs[1];
+ __kvm_tlb_flush_vmid(kern_hyp_va(mmu));
+}
- __vgic_v3_write_vmcr(vmcr);
- break;
- }
- case KVM_HOST_SMCCC_FUNC(__vgic_v3_init_lrs):
- __vgic_v3_init_lrs();
- break;
- case KVM_HOST_SMCCC_FUNC(__kvm_get_mdcr_el2):
- ret = __kvm_get_mdcr_el2();
- break;
- case KVM_HOST_SMCCC_FUNC(__vgic_v3_save_aprs): {
- unsigned long r1 = host_ctxt->regs.regs[1];
- struct vgic_v3_cpu_if *cpu_if = (struct vgic_v3_cpu_if *)r1;
+static void handle___kvm_flush_cpu_context(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(struct kvm_s2_mmu *, mmu, host_ctxt, 1);
- __vgic_v3_save_aprs(kern_hyp_va(cpu_if));
- break;
- }
- case KVM_HOST_SMCCC_FUNC(__vgic_v3_restore_aprs): {
- unsigned long r1 = host_ctxt->regs.regs[1];
- struct vgic_v3_cpu_if *cpu_if = (struct vgic_v3_cpu_if *)r1;
+ __kvm_flush_cpu_context(kern_hyp_va(mmu));
+}
- __vgic_v3_restore_aprs(kern_hyp_va(cpu_if));
- break;
- }
- default:
- /* Invalid host HVC. */
- host_ctxt->regs.regs[0] = SMCCC_RET_NOT_SUPPORTED;
- return;
- }
+static void handle___kvm_timer_set_cntvoff(struct kvm_cpu_context *host_ctxt)
+{
+ __kvm_timer_set_cntvoff(cpu_reg(host_ctxt, 1));
+}
- host_ctxt->regs.regs[0] = SMCCC_RET_SUCCESS;
- host_ctxt->regs.regs[1] = ret;
+static void handle___kvm_enable_ssbs(struct kvm_cpu_context *host_ctxt)
+{
+ u64 tmp;
+
+ tmp = read_sysreg_el2(SYS_SCTLR);
+ tmp |= SCTLR_ELx_DSSBS;
+ write_sysreg_el2(tmp, SYS_SCTLR);
+}
+
+static void handle___vgic_v3_get_gic_config(struct kvm_cpu_context *host_ctxt)
+{
+ cpu_reg(host_ctxt, 1) = __vgic_v3_get_gic_config();
+}
+
+static void handle___vgic_v3_read_vmcr(struct kvm_cpu_context *host_ctxt)
+{
+ cpu_reg(host_ctxt, 1) = __vgic_v3_read_vmcr();
+}
+
+static void handle___vgic_v3_write_vmcr(struct kvm_cpu_context *host_ctxt)
+{
+ __vgic_v3_write_vmcr(cpu_reg(host_ctxt, 1));
+}
+
+static void handle___vgic_v3_init_lrs(struct kvm_cpu_context *host_ctxt)
+{
+ __vgic_v3_init_lrs();
+}
+
+static void handle___kvm_get_mdcr_el2(struct kvm_cpu_context *host_ctxt)
+{
+ cpu_reg(host_ctxt, 1) = __kvm_get_mdcr_el2();
+}
+
+static void handle___vgic_v3_save_aprs(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(struct vgic_v3_cpu_if *, cpu_if, host_ctxt, 1);
+
+ __vgic_v3_save_aprs(kern_hyp_va(cpu_if));
+}
+
+static void handle___vgic_v3_restore_aprs(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(struct vgic_v3_cpu_if *, cpu_if, host_ctxt, 1);
+
+ __vgic_v3_restore_aprs(kern_hyp_va(cpu_if));
+}
+
+static void handle___pkvm_init(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(phys_addr_t, phys, host_ctxt, 1);
+ DECLARE_REG(unsigned long, size, host_ctxt, 2);
+ DECLARE_REG(unsigned long, nr_cpus, host_ctxt, 3);
+ DECLARE_REG(unsigned long *, per_cpu_base, host_ctxt, 4);
+ DECLARE_REG(u32, hyp_va_bits, host_ctxt, 5);
+
+ /*
+ * __pkvm_init() will return only if an error occurred, otherwise it
+ * will tail-call in __pkvm_init_finalise() which will have to deal
+ * with the host context directly.
+ */
+ cpu_reg(host_ctxt, 1) = __pkvm_init(phys, size, nr_cpus, per_cpu_base,
+ hyp_va_bits);
+}
+
+static void handle___pkvm_cpu_set_vector(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(enum arm64_hyp_spectre_vector, slot, host_ctxt, 1);
+
+ cpu_reg(host_ctxt, 1) = pkvm_cpu_set_vector(slot);
+}
+
+static void handle___pkvm_create_mappings(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(unsigned long, start, host_ctxt, 1);
+ DECLARE_REG(unsigned long, size, host_ctxt, 2);
+ DECLARE_REG(unsigned long, phys, host_ctxt, 3);
+ DECLARE_REG(enum kvm_pgtable_prot, prot, host_ctxt, 4);
+
+ cpu_reg(host_ctxt, 1) = __pkvm_create_mappings(start, size, phys, prot);
+}
+
+static void handle___pkvm_create_private_mapping(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(phys_addr_t, phys, host_ctxt, 1);
+ DECLARE_REG(size_t, size, host_ctxt, 2);
+ DECLARE_REG(enum kvm_pgtable_prot, prot, host_ctxt, 3);
+
+ cpu_reg(host_ctxt, 1) = __pkvm_create_private_mapping(phys, size, prot);
+}
+
+static void handle___pkvm_prot_finalize(struct kvm_cpu_context *host_ctxt)
+{
+ cpu_reg(host_ctxt, 1) = __pkvm_prot_finalize();
+}
+
+static void handle___pkvm_mark_hyp(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(phys_addr_t, start, host_ctxt, 1);
+ DECLARE_REG(phys_addr_t, end, host_ctxt, 2);
+
+ cpu_reg(host_ctxt, 1) = __pkvm_mark_hyp(start, end);
+}
+typedef void (*hcall_t)(struct kvm_cpu_context *);
+
+#define HANDLE_FUNC(x) [__KVM_HOST_SMCCC_FUNC_##x] = (hcall_t)handle_##x
+
+static const hcall_t host_hcall[] = {
+ HANDLE_FUNC(__kvm_vcpu_run),
+ HANDLE_FUNC(__kvm_flush_vm_context),
+ HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa),
+ HANDLE_FUNC(__kvm_tlb_flush_vmid),
+ HANDLE_FUNC(__kvm_flush_cpu_context),
+ HANDLE_FUNC(__kvm_timer_set_cntvoff),
+ HANDLE_FUNC(__kvm_enable_ssbs),
+ HANDLE_FUNC(__vgic_v3_get_gic_config),
+ HANDLE_FUNC(__vgic_v3_read_vmcr),
+ HANDLE_FUNC(__vgic_v3_write_vmcr),
+ HANDLE_FUNC(__vgic_v3_init_lrs),
+ HANDLE_FUNC(__kvm_get_mdcr_el2),
+ HANDLE_FUNC(__vgic_v3_save_aprs),
+ HANDLE_FUNC(__vgic_v3_restore_aprs),
+ HANDLE_FUNC(__pkvm_init),
+ HANDLE_FUNC(__pkvm_cpu_set_vector),
+ HANDLE_FUNC(__pkvm_create_mappings),
+ HANDLE_FUNC(__pkvm_create_private_mapping),
+ HANDLE_FUNC(__pkvm_prot_finalize),
+ HANDLE_FUNC(__pkvm_mark_hyp),
+};
+
+static void handle_host_hcall(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(unsigned long, id, host_ctxt, 0);
+ hcall_t hfn;
+
+ id -= KVM_HOST_SMCCC_ID(0);
+
+ if (unlikely(id >= ARRAY_SIZE(host_hcall)))
+ goto inval;
+
+ hfn = host_hcall[id];
+ if (unlikely(!hfn))
+ goto inval;
+
+ cpu_reg(host_ctxt, 0) = SMCCC_RET_SUCCESS;
+ hfn(host_ctxt);
+
+ return;
+inval:
+ cpu_reg(host_ctxt, 0) = SMCCC_RET_NOT_SUPPORTED;
+}
+
+static void default_host_smc_handler(struct kvm_cpu_context *host_ctxt)
+{
+ __kvm_hyp_host_forward_smc(host_ctxt);
+}
+
+static void handle_host_smc(struct kvm_cpu_context *host_ctxt)
+{
+ bool handled;
+
+ handled = kvm_host_psci_handler(host_ctxt);
+ if (!handled)
+ default_host_smc_handler(host_ctxt);
+
+ /* SMC was trapped, move ELR past the current PC. */
+ kvm_skip_host_instr();
}
void handle_trap(struct kvm_cpu_context *host_ctxt)
{
u64 esr = read_sysreg_el2(SYS_ESR);
- unsigned long func_id;
- if (ESR_ELx_EC(esr) != ESR_ELx_EC_HVC64)
+ switch (ESR_ELx_EC(esr)) {
+ case ESR_ELx_EC_HVC64:
+ handle_host_hcall(host_ctxt);
+ break;
+ case ESR_ELx_EC_SMC64:
+ handle_host_smc(host_ctxt);
+ break;
+ case ESR_ELx_EC_SVE:
+ sysreg_clear_set(cptr_el2, CPTR_EL2_TZ, 0);
+ isb();
+ sve_cond_update_zcr_vq(ZCR_ELx_LEN_MASK, SYS_ZCR_EL2);
+ break;
+ case ESR_ELx_EC_IABT_LOW:
+ case ESR_ELx_EC_DABT_LOW:
+ handle_host_mem_abort(host_ctxt);
+ break;
+ default:
hyp_panic();
-
- func_id = host_ctxt->regs.regs[0];
- handle_host_hcall(func_id, host_ctxt);
+ }
}
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-smp.c b/arch/arm64/kvm/hyp/nvhe/hyp-smp.c
new file mode 100644
index 0000000..8795590
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-smp.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+
+/*
+ * nVHE copy of data structures tracking available CPU cores.
+ * Only entries for CPUs that were online at KVM init are populated.
+ * Other CPUs should not be allowed to boot because their features were
+ * not checked against the finalized system capabilities.
+ */
+u64 __ro_after_init hyp_cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
+
+u64 cpu_logical_map(unsigned int cpu)
+{
+ if (cpu >= ARRAY_SIZE(hyp_cpu_logical_map))
+ hyp_panic();
+
+ return hyp_cpu_logical_map[cpu];
+}
+
+unsigned long __hyp_per_cpu_offset(unsigned int cpu)
+{
+ unsigned long *cpu_base_array;
+ unsigned long this_cpu_base;
+ unsigned long elf_base;
+
+ if (cpu >= ARRAY_SIZE(kvm_arm_hyp_percpu_base))
+ hyp_panic();
+
+ cpu_base_array = (unsigned long *)&kvm_arm_hyp_percpu_base;
+ this_cpu_base = kern_hyp_va(cpu_base_array[cpu]);
+ elf_base = (unsigned long)&__per_cpu_start;
+ return this_cpu_base - elf_base;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp.lds.S b/arch/arm64/kvm/hyp/nvhe/hyp.lds.S
index a797aba..f4562f4 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp.lds.S
+++ b/arch/arm64/kvm/hyp/nvhe/hyp.lds.S
@@ -12,13 +12,18 @@
#include <asm/memory.h>
SECTIONS {
+ HYP_SECTION(.idmap.text)
HYP_SECTION(.text)
+ HYP_SECTION(.data..ro_after_init)
+ HYP_SECTION(.rodata)
+
/*
* .hyp..data..percpu needs to be page aligned to maintain the same
* alignment for when linking into vmlinux.
*/
. = ALIGN(PAGE_SIZE);
- HYP_SECTION_NAME(.data..percpu) : {
+ BEGIN_HYP_SECTION(.data..percpu)
PERCPU_INPUT(L1_CACHE_BYTES)
- }
+ END_HYP_SECTION
+ HYP_SECTION(.bss)
}
diff --git a/arch/arm64/kvm/hyp/nvhe/mem_protect.c b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
new file mode 100644
index 0000000..695026f
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/mem_protect.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_emulate.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/stage2_pgtable.h>
+
+#include <hyp/switch.h>
+
+#include <nvhe/gfp.h>
+#include <nvhe/memory.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+
+#define KVM_HOST_S2_FLAGS (KVM_PGTABLE_S2_NOFWB | KVM_PGTABLE_S2_IDMAP)
+
+extern unsigned long hyp_nr_cpus;
+struct host_kvm host_kvm;
+
+static struct hyp_pool host_s2_mem;
+static struct hyp_pool host_s2_dev;
+
+/*
+ * Copies of the host's CPU features registers holding sanitized values.
+ */
+u64 id_aa64mmfr0_el1_sys_val;
+u64 id_aa64mmfr1_el1_sys_val;
+
+static const u8 pkvm_hyp_id = 1;
+
+static void *host_s2_zalloc_pages_exact(size_t size)
+{
+ return hyp_alloc_pages(&host_s2_mem, get_order(size));
+}
+
+static void *host_s2_zalloc_page(void *pool)
+{
+ return hyp_alloc_pages(pool, 0);
+}
+
+static int prepare_s2_pools(void *mem_pgt_pool, void *dev_pgt_pool)
+{
+ unsigned long nr_pages, pfn;
+ int ret;
+
+ pfn = hyp_virt_to_pfn(mem_pgt_pool);
+ nr_pages = host_s2_mem_pgtable_pages();
+ ret = hyp_pool_init(&host_s2_mem, pfn, nr_pages, 0);
+ if (ret)
+ return ret;
+
+ pfn = hyp_virt_to_pfn(dev_pgt_pool);
+ nr_pages = host_s2_dev_pgtable_pages();
+ ret = hyp_pool_init(&host_s2_dev, pfn, nr_pages, 0);
+ if (ret)
+ return ret;
+
+ host_kvm.mm_ops = (struct kvm_pgtable_mm_ops) {
+ .zalloc_pages_exact = host_s2_zalloc_pages_exact,
+ .zalloc_page = host_s2_zalloc_page,
+ .phys_to_virt = hyp_phys_to_virt,
+ .virt_to_phys = hyp_virt_to_phys,
+ .page_count = hyp_page_count,
+ .get_page = hyp_get_page,
+ .put_page = hyp_put_page,
+ };
+
+ return 0;
+}
+
+static void prepare_host_vtcr(void)
+{
+ u32 parange, phys_shift;
+
+ /* The host stage 2 is id-mapped, so use parange for T0SZ */
+ parange = kvm_get_parange(id_aa64mmfr0_el1_sys_val);
+ phys_shift = id_aa64mmfr0_parange_to_phys_shift(parange);
+
+ host_kvm.arch.vtcr = kvm_get_vtcr(id_aa64mmfr0_el1_sys_val,
+ id_aa64mmfr1_el1_sys_val, phys_shift);
+}
+
+int kvm_host_prepare_stage2(void *mem_pgt_pool, void *dev_pgt_pool)
+{
+ struct kvm_s2_mmu *mmu = &host_kvm.arch.mmu;
+ int ret;
+
+ prepare_host_vtcr();
+ hyp_spin_lock_init(&host_kvm.lock);
+
+ ret = prepare_s2_pools(mem_pgt_pool, dev_pgt_pool);
+ if (ret)
+ return ret;
+
+ ret = kvm_pgtable_stage2_init_flags(&host_kvm.pgt, &host_kvm.arch,
+ &host_kvm.mm_ops, KVM_HOST_S2_FLAGS);
+ if (ret)
+ return ret;
+
+ mmu->pgd_phys = __hyp_pa(host_kvm.pgt.pgd);
+ mmu->arch = &host_kvm.arch;
+ mmu->pgt = &host_kvm.pgt;
+ mmu->vmid.vmid_gen = 0;
+ mmu->vmid.vmid = 0;
+
+ return 0;
+}
+
+int __pkvm_prot_finalize(void)
+{
+ struct kvm_s2_mmu *mmu = &host_kvm.arch.mmu;
+ struct kvm_nvhe_init_params *params = this_cpu_ptr(&kvm_init_params);
+
+ params->vttbr = kvm_get_vttbr(mmu);
+ params->vtcr = host_kvm.arch.vtcr;
+ params->hcr_el2 |= HCR_VM;
+ kvm_flush_dcache_to_poc(params, sizeof(*params));
+
+ write_sysreg(params->hcr_el2, hcr_el2);
+ __load_stage2(&host_kvm.arch.mmu, host_kvm.arch.vtcr);
+
+ /*
+ * Make sure to have an ISB before the TLB maintenance below but only
+ * when __load_stage2() doesn't include one already.
+ */
+ asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT));
+
+ /* Invalidate stale HCR bits that may be cached in TLBs */
+ __tlbi(vmalls12e1);
+ dsb(nsh);
+ isb();
+
+ return 0;
+}
+
+static int host_stage2_unmap_dev_all(void)
+{
+ struct kvm_pgtable *pgt = &host_kvm.pgt;
+ struct memblock_region *reg;
+ u64 addr = 0;
+ int i, ret;
+
+ /* Unmap all non-memory regions to recycle the pages */
+ for (i = 0; i < hyp_memblock_nr; i++, addr = reg->base + reg->size) {
+ reg = &hyp_memory[i];
+ ret = kvm_pgtable_stage2_unmap(pgt, addr, reg->base - addr);
+ if (ret)
+ return ret;
+ }
+ return kvm_pgtable_stage2_unmap(pgt, addr, BIT(pgt->ia_bits) - addr);
+}
+
+static bool find_mem_range(phys_addr_t addr, struct kvm_mem_range *range)
+{
+ int cur, left = 0, right = hyp_memblock_nr;
+ struct memblock_region *reg;
+ phys_addr_t end;
+
+ range->start = 0;
+ range->end = ULONG_MAX;
+
+ /* The list of memblock regions is sorted, binary search it */
+ while (left < right) {
+ cur = (left + right) >> 1;
+ reg = &hyp_memory[cur];
+ end = reg->base + reg->size;
+ if (addr < reg->base) {
+ right = cur;
+ range->end = reg->base;
+ } else if (addr >= end) {
+ left = cur + 1;
+ range->start = end;
+ } else {
+ range->start = reg->base;
+ range->end = end;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static bool range_is_memory(u64 start, u64 end)
+{
+ struct kvm_mem_range r1, r2;
+
+ if (!find_mem_range(start, &r1) || !find_mem_range(end - 1, &r2))
+ return false;
+ if (r1.start != r2.start)
+ return false;
+
+ return true;
+}
+
+static inline int __host_stage2_idmap(u64 start, u64 end,
+ enum kvm_pgtable_prot prot,
+ struct hyp_pool *pool)
+{
+ return kvm_pgtable_stage2_map(&host_kvm.pgt, start, end - start, start,
+ prot, pool);
+}
+
+static int host_stage2_idmap(u64 addr)
+{
+ enum kvm_pgtable_prot prot = KVM_PGTABLE_PROT_R | KVM_PGTABLE_PROT_W;
+ struct kvm_mem_range range;
+ bool is_memory = find_mem_range(addr, &range);
+ struct hyp_pool *pool = is_memory ? &host_s2_mem : &host_s2_dev;
+ int ret;
+
+ if (is_memory)
+ prot |= KVM_PGTABLE_PROT_X;
+
+ hyp_spin_lock(&host_kvm.lock);
+ ret = kvm_pgtable_stage2_find_range(&host_kvm.pgt, addr, prot, &range);
+ if (ret)
+ goto unlock;
+
+ ret = __host_stage2_idmap(range.start, range.end, prot, pool);
+ if (is_memory || ret != -ENOMEM)
+ goto unlock;
+
+ /*
+ * host_s2_mem has been provided with enough pages to cover all of
+ * memory with page granularity, so we should never hit the ENOMEM case.
+ * However, it is difficult to know how much of the MMIO range we will
+ * need to cover upfront, so we may need to 'recycle' the pages if we
+ * run out.
+ */
+ ret = host_stage2_unmap_dev_all();
+ if (ret)
+ goto unlock;
+
+ ret = __host_stage2_idmap(range.start, range.end, prot, pool);
+
+unlock:
+ hyp_spin_unlock(&host_kvm.lock);
+
+ return ret;
+}
+
+int __pkvm_mark_hyp(phys_addr_t start, phys_addr_t end)
+{
+ int ret;
+
+ /*
+ * host_stage2_unmap_dev_all() currently relies on MMIO mappings being
+ * non-persistent, so don't allow changing page ownership in MMIO range.
+ */
+ if (!range_is_memory(start, end))
+ return -EINVAL;
+
+ hyp_spin_lock(&host_kvm.lock);
+ ret = kvm_pgtable_stage2_set_owner(&host_kvm.pgt, start, end - start,
+ &host_s2_mem, pkvm_hyp_id);
+ hyp_spin_unlock(&host_kvm.lock);
+
+ return ret != -EAGAIN ? ret : 0;
+}
+
+void handle_host_mem_abort(struct kvm_cpu_context *host_ctxt)
+{
+ struct kvm_vcpu_fault_info fault;
+ u64 esr, addr;
+ int ret = 0;
+
+ esr = read_sysreg_el2(SYS_ESR);
+ if (!__get_fault_info(esr, &fault))
+ hyp_panic();
+
+ addr = (fault.hpfar_el2 & HPFAR_MASK) << 8;
+ ret = host_stage2_idmap(addr);
+ if (ret && ret != -EAGAIN)
+ hyp_panic();
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/mm.c b/arch/arm64/kvm/hyp/nvhe/mm.c
new file mode 100644
index 0000000..a8efdf0
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/mm.c
@@ -0,0 +1,173 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pgtable.h>
+#include <asm/spectre.h>
+
+#include <nvhe/early_alloc.h>
+#include <nvhe/gfp.h>
+#include <nvhe/memory.h>
+#include <nvhe/mm.h>
+#include <nvhe/spinlock.h>
+
+struct kvm_pgtable pkvm_pgtable;
+hyp_spinlock_t pkvm_pgd_lock;
+u64 __io_map_base;
+
+struct memblock_region hyp_memory[HYP_MEMBLOCK_REGIONS];
+unsigned int hyp_memblock_nr;
+
+int __pkvm_create_mappings(unsigned long start, unsigned long size,
+ unsigned long phys, enum kvm_pgtable_prot prot)
+{
+ int err;
+
+ hyp_spin_lock(&pkvm_pgd_lock);
+ err = kvm_pgtable_hyp_map(&pkvm_pgtable, start, size, phys, prot);
+ hyp_spin_unlock(&pkvm_pgd_lock);
+
+ return err;
+}
+
+unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
+ enum kvm_pgtable_prot prot)
+{
+ unsigned long addr;
+ int err;
+
+ hyp_spin_lock(&pkvm_pgd_lock);
+
+ size = PAGE_ALIGN(size + offset_in_page(phys));
+ addr = __io_map_base;
+ __io_map_base += size;
+
+ /* Are we overflowing on the vmemmap ? */
+ if (__io_map_base > __hyp_vmemmap) {
+ __io_map_base -= size;
+ addr = (unsigned long)ERR_PTR(-ENOMEM);
+ goto out;
+ }
+
+ err = kvm_pgtable_hyp_map(&pkvm_pgtable, addr, size, phys, prot);
+ if (err) {
+ addr = (unsigned long)ERR_PTR(err);
+ goto out;
+ }
+
+ addr = addr + offset_in_page(phys);
+out:
+ hyp_spin_unlock(&pkvm_pgd_lock);
+
+ return addr;
+}
+
+int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot)
+{
+ unsigned long start = (unsigned long)from;
+ unsigned long end = (unsigned long)to;
+ unsigned long virt_addr;
+ phys_addr_t phys;
+
+ start = start & PAGE_MASK;
+ end = PAGE_ALIGN(end);
+
+ for (virt_addr = start; virt_addr < end; virt_addr += PAGE_SIZE) {
+ int err;
+
+ phys = hyp_virt_to_phys((void *)virt_addr);
+ err = __pkvm_create_mappings(virt_addr, PAGE_SIZE, phys, prot);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+int hyp_back_vmemmap(phys_addr_t phys, unsigned long size, phys_addr_t back)
+{
+ unsigned long start, end;
+
+ hyp_vmemmap_range(phys, size, &start, &end);
+
+ return __pkvm_create_mappings(start, end - start, back, PAGE_HYP);
+}
+
+static void *__hyp_bp_vect_base;
+int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot)
+{
+ void *vector;
+
+ switch (slot) {
+ case HYP_VECTOR_DIRECT: {
+ vector = __kvm_hyp_vector;
+ break;
+ }
+ case HYP_VECTOR_SPECTRE_DIRECT: {
+ vector = __bp_harden_hyp_vecs;
+ break;
+ }
+ case HYP_VECTOR_INDIRECT:
+ case HYP_VECTOR_SPECTRE_INDIRECT: {
+ vector = (void *)__hyp_bp_vect_base;
+ break;
+ }
+ default:
+ return -EINVAL;
+ }
+
+ vector = __kvm_vector_slot2addr(vector, slot);
+ *this_cpu_ptr(&kvm_hyp_vector) = (unsigned long)vector;
+
+ return 0;
+}
+
+int hyp_map_vectors(void)
+{
+ phys_addr_t phys;
+ void *bp_base;
+
+ if (!cpus_have_const_cap(ARM64_SPECTRE_V3A))
+ return 0;
+
+ phys = __hyp_pa(__bp_harden_hyp_vecs);
+ bp_base = (void *)__pkvm_create_private_mapping(phys,
+ __BP_HARDEN_HYP_VECS_SZ,
+ PAGE_HYP_EXEC);
+ if (IS_ERR_OR_NULL(bp_base))
+ return PTR_ERR(bp_base);
+
+ __hyp_bp_vect_base = bp_base;
+
+ return 0;
+}
+
+int hyp_create_idmap(u32 hyp_va_bits)
+{
+ unsigned long start, end;
+
+ start = hyp_virt_to_phys((void *)__hyp_idmap_text_start);
+ start = ALIGN_DOWN(start, PAGE_SIZE);
+
+ end = hyp_virt_to_phys((void *)__hyp_idmap_text_end);
+ end = ALIGN(end, PAGE_SIZE);
+
+ /*
+ * One half of the VA space is reserved to linearly map portions of
+ * memory -- see va_layout.c for more details. The other half of the VA
+ * space contains the trampoline page, and needs some care. Split that
+ * second half in two and find the quarter of VA space not conflicting
+ * with the idmap to place the IOs and the vmemmap. IOs use the lower
+ * half of the quarter and the vmemmap the upper half.
+ */
+ __io_map_base = start & BIT(hyp_va_bits - 2);
+ __io_map_base ^= BIT(hyp_va_bits - 2);
+ __hyp_vmemmap = __io_map_base | BIT(hyp_va_bits - 3);
+
+ return __pkvm_create_mappings(start, end - start, start, PAGE_HYP_EXEC);
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/page_alloc.c b/arch/arm64/kvm/hyp/nvhe/page_alloc.c
new file mode 100644
index 0000000..237e03b
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/page_alloc.c
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <asm/kvm_hyp.h>
+#include <nvhe/gfp.h>
+
+u64 __hyp_vmemmap;
+
+/*
+ * Index the hyp_vmemmap to find a potential buddy page, but make no assumption
+ * about its current state.
+ *
+ * Example buddy-tree for a 4-pages physically contiguous pool:
+ *
+ * o : Page 3
+ * /
+ * o-o : Page 2
+ * /
+ * / o : Page 1
+ * / /
+ * o---o-o : Page 0
+ * Order 2 1 0
+ *
+ * Example of requests on this pool:
+ * __find_buddy_nocheck(pool, page 0, order 0) => page 1
+ * __find_buddy_nocheck(pool, page 0, order 1) => page 2
+ * __find_buddy_nocheck(pool, page 1, order 0) => page 0
+ * __find_buddy_nocheck(pool, page 2, order 0) => page 3
+ */
+static struct hyp_page *__find_buddy_nocheck(struct hyp_pool *pool,
+ struct hyp_page *p,
+ unsigned int order)
+{
+ phys_addr_t addr = hyp_page_to_phys(p);
+
+ addr ^= (PAGE_SIZE << order);
+
+ /*
+ * Don't return a page outside the pool range -- it belongs to
+ * something else and may not be mapped in hyp_vmemmap.
+ */
+ if (addr < pool->range_start || addr >= pool->range_end)
+ return NULL;
+
+ return hyp_phys_to_page(addr);
+}
+
+/* Find a buddy page currently available for allocation */
+static struct hyp_page *__find_buddy_avail(struct hyp_pool *pool,
+ struct hyp_page *p,
+ unsigned int order)
+{
+ struct hyp_page *buddy = __find_buddy_nocheck(pool, p, order);
+
+ if (!buddy || buddy->order != order || list_empty(&buddy->node))
+ return NULL;
+
+ return buddy;
+
+}
+
+static void __hyp_attach_page(struct hyp_pool *pool,
+ struct hyp_page *p)
+{
+ unsigned int order = p->order;
+ struct hyp_page *buddy;
+
+ memset(hyp_page_to_virt(p), 0, PAGE_SIZE << p->order);
+
+ /*
+ * Only the first struct hyp_page of a high-order page (otherwise known
+ * as the 'head') should have p->order set. The non-head pages should
+ * have p->order = HYP_NO_ORDER. Here @p may no longer be the head
+ * after coallescing, so make sure to mark it HYP_NO_ORDER proactively.
+ */
+ p->order = HYP_NO_ORDER;
+ for (; (order + 1) < pool->max_order; order++) {
+ buddy = __find_buddy_avail(pool, p, order);
+ if (!buddy)
+ break;
+
+ /* Take the buddy out of its list, and coallesce with @p */
+ list_del_init(&buddy->node);
+ buddy->order = HYP_NO_ORDER;
+ p = min(p, buddy);
+ }
+
+ /* Mark the new head, and insert it */
+ p->order = order;
+ list_add_tail(&p->node, &pool->free_area[order]);
+}
+
+static void hyp_attach_page(struct hyp_page *p)
+{
+ struct hyp_pool *pool = hyp_page_to_pool(p);
+
+ hyp_spin_lock(&pool->lock);
+ __hyp_attach_page(pool, p);
+ hyp_spin_unlock(&pool->lock);
+}
+
+static struct hyp_page *__hyp_extract_page(struct hyp_pool *pool,
+ struct hyp_page *p,
+ unsigned int order)
+{
+ struct hyp_page *buddy;
+
+ list_del_init(&p->node);
+ while (p->order > order) {
+ /*
+ * The buddy of order n - 1 currently has HYP_NO_ORDER as it
+ * is covered by a higher-level page (whose head is @p). Use
+ * __find_buddy_nocheck() to find it and inject it in the
+ * free_list[n - 1], effectively splitting @p in half.
+ */
+ p->order--;
+ buddy = __find_buddy_nocheck(pool, p, p->order);
+ buddy->order = p->order;
+ list_add_tail(&buddy->node, &pool->free_area[buddy->order]);
+ }
+
+ return p;
+}
+
+void hyp_put_page(void *addr)
+{
+ struct hyp_page *p = hyp_virt_to_page(addr);
+
+ if (hyp_page_ref_dec_and_test(p))
+ hyp_attach_page(p);
+}
+
+void hyp_get_page(void *addr)
+{
+ struct hyp_page *p = hyp_virt_to_page(addr);
+
+ hyp_page_ref_inc(p);
+}
+
+void *hyp_alloc_pages(struct hyp_pool *pool, unsigned int order)
+{
+ unsigned int i = order;
+ struct hyp_page *p;
+
+ hyp_spin_lock(&pool->lock);
+
+ /* Look for a high-enough-order page */
+ while (i < pool->max_order && list_empty(&pool->free_area[i]))
+ i++;
+ if (i >= pool->max_order) {
+ hyp_spin_unlock(&pool->lock);
+ return NULL;
+ }
+
+ /* Extract it from the tree at the right order */
+ p = list_first_entry(&pool->free_area[i], struct hyp_page, node);
+ p = __hyp_extract_page(pool, p, order);
+
+ hyp_spin_unlock(&pool->lock);
+ hyp_set_page_refcounted(p);
+
+ return hyp_page_to_virt(p);
+}
+
+int hyp_pool_init(struct hyp_pool *pool, u64 pfn, unsigned int nr_pages,
+ unsigned int reserved_pages)
+{
+ phys_addr_t phys = hyp_pfn_to_phys(pfn);
+ struct hyp_page *p;
+ int i;
+
+ hyp_spin_lock_init(&pool->lock);
+ pool->max_order = min(MAX_ORDER, get_order(nr_pages << PAGE_SHIFT));
+ for (i = 0; i < pool->max_order; i++)
+ INIT_LIST_HEAD(&pool->free_area[i]);
+ pool->range_start = phys;
+ pool->range_end = phys + (nr_pages << PAGE_SHIFT);
+
+ /* Init the vmemmap portion */
+ p = hyp_phys_to_page(phys);
+ memset(p, 0, sizeof(*p) * nr_pages);
+ for (i = 0; i < nr_pages; i++) {
+ p[i].pool = pool;
+ INIT_LIST_HEAD(&p[i].node);
+ }
+
+ /* Attach the unused pages to the buddy tree */
+ for (i = reserved_pages; i < nr_pages; i++)
+ __hyp_attach_page(pool, &p[i]);
+
+ return 0;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
new file mode 100644
index 0000000..0850878
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: David Brazdil <dbrazdil@google.com>
+ */
+
+#include <asm/kvm_asm.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <linux/arm-smccc.h>
+#include <linux/kvm_host.h>
+#include <uapi/linux/psci.h>
+
+#include <nvhe/memory.h>
+#include <nvhe/trap_handler.h>
+
+void kvm_hyp_cpu_entry(unsigned long r0);
+void kvm_hyp_cpu_resume(unsigned long r0);
+
+void __noreturn __host_enter(struct kvm_cpu_context *host_ctxt);
+
+/* Config options set by the host. */
+struct kvm_host_psci_config __ro_after_init kvm_host_psci_config;
+
+#define INVALID_CPU_ID UINT_MAX
+
+struct psci_boot_args {
+ atomic_t lock;
+ unsigned long pc;
+ unsigned long r0;
+};
+
+#define PSCI_BOOT_ARGS_UNLOCKED 0
+#define PSCI_BOOT_ARGS_LOCKED 1
+
+#define PSCI_BOOT_ARGS_INIT \
+ ((struct psci_boot_args){ \
+ .lock = ATOMIC_INIT(PSCI_BOOT_ARGS_UNLOCKED), \
+ })
+
+static DEFINE_PER_CPU(struct psci_boot_args, cpu_on_args) = PSCI_BOOT_ARGS_INIT;
+static DEFINE_PER_CPU(struct psci_boot_args, suspend_args) = PSCI_BOOT_ARGS_INIT;
+
+#define is_psci_0_1(what, func_id) \
+ (kvm_host_psci_config.psci_0_1_ ## what ## _implemented && \
+ (func_id) == kvm_host_psci_config.function_ids_0_1.what)
+
+static bool is_psci_0_1_call(u64 func_id)
+{
+ return (is_psci_0_1(cpu_suspend, func_id) ||
+ is_psci_0_1(cpu_on, func_id) ||
+ is_psci_0_1(cpu_off, func_id) ||
+ is_psci_0_1(migrate, func_id));
+}
+
+static bool is_psci_0_2_call(u64 func_id)
+{
+ /* SMCCC reserves IDs 0x00-1F with the given 32/64-bit base for PSCI. */
+ return (PSCI_0_2_FN(0) <= func_id && func_id <= PSCI_0_2_FN(31)) ||
+ (PSCI_0_2_FN64(0) <= func_id && func_id <= PSCI_0_2_FN64(31));
+}
+
+static unsigned long psci_call(unsigned long fn, unsigned long arg0,
+ unsigned long arg1, unsigned long arg2)
+{
+ struct arm_smccc_res res;
+
+ arm_smccc_1_1_smc(fn, arg0, arg1, arg2, &res);
+ return res.a0;
+}
+
+static unsigned long psci_forward(struct kvm_cpu_context *host_ctxt)
+{
+ return psci_call(cpu_reg(host_ctxt, 0), cpu_reg(host_ctxt, 1),
+ cpu_reg(host_ctxt, 2), cpu_reg(host_ctxt, 3));
+}
+
+static unsigned int find_cpu_id(u64 mpidr)
+{
+ unsigned int i;
+
+ /* Reject invalid MPIDRs */
+ if (mpidr & ~MPIDR_HWID_BITMASK)
+ return INVALID_CPU_ID;
+
+ for (i = 0; i < NR_CPUS; i++) {
+ if (cpu_logical_map(i) == mpidr)
+ return i;
+ }
+
+ return INVALID_CPU_ID;
+}
+
+static __always_inline bool try_acquire_boot_args(struct psci_boot_args *args)
+{
+ return atomic_cmpxchg_acquire(&args->lock,
+ PSCI_BOOT_ARGS_UNLOCKED,
+ PSCI_BOOT_ARGS_LOCKED) ==
+ PSCI_BOOT_ARGS_UNLOCKED;
+}
+
+static __always_inline void release_boot_args(struct psci_boot_args *args)
+{
+ atomic_set_release(&args->lock, PSCI_BOOT_ARGS_UNLOCKED);
+}
+
+static int psci_cpu_on(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(u64, mpidr, host_ctxt, 1);
+ DECLARE_REG(unsigned long, pc, host_ctxt, 2);
+ DECLARE_REG(unsigned long, r0, host_ctxt, 3);
+
+ unsigned int cpu_id;
+ struct psci_boot_args *boot_args;
+ struct kvm_nvhe_init_params *init_params;
+ int ret;
+
+ /*
+ * Find the logical CPU ID for the given MPIDR. The search set is
+ * the set of CPUs that were online at the point of KVM initialization.
+ * Booting other CPUs is rejected because their cpufeatures were not
+ * checked against the finalized capabilities. This could be relaxed
+ * by doing the feature checks in hyp.
+ */
+ cpu_id = find_cpu_id(mpidr);
+ if (cpu_id == INVALID_CPU_ID)
+ return PSCI_RET_INVALID_PARAMS;
+
+ boot_args = per_cpu_ptr(&cpu_on_args, cpu_id);
+ init_params = per_cpu_ptr(&kvm_init_params, cpu_id);
+
+ /* Check if the target CPU is already being booted. */
+ if (!try_acquire_boot_args(boot_args))
+ return PSCI_RET_ALREADY_ON;
+
+ boot_args->pc = pc;
+ boot_args->r0 = r0;
+ wmb();
+
+ ret = psci_call(func_id, mpidr,
+ __hyp_pa(&kvm_hyp_cpu_entry),
+ __hyp_pa(init_params));
+
+ /* If successful, the lock will be released by the target CPU. */
+ if (ret != PSCI_RET_SUCCESS)
+ release_boot_args(boot_args);
+
+ return ret;
+}
+
+static int psci_cpu_suspend(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(u64, power_state, host_ctxt, 1);
+ DECLARE_REG(unsigned long, pc, host_ctxt, 2);
+ DECLARE_REG(unsigned long, r0, host_ctxt, 3);
+
+ struct psci_boot_args *boot_args;
+ struct kvm_nvhe_init_params *init_params;
+
+ boot_args = this_cpu_ptr(&suspend_args);
+ init_params = this_cpu_ptr(&kvm_init_params);
+
+ /*
+ * No need to acquire a lock before writing to boot_args because a core
+ * can only suspend itself. Racy CPU_ON calls use a separate struct.
+ */
+ boot_args->pc = pc;
+ boot_args->r0 = r0;
+
+ /*
+ * Will either return if shallow sleep state, or wake up into the entry
+ * point if it is a deep sleep state.
+ */
+ return psci_call(func_id, power_state,
+ __hyp_pa(&kvm_hyp_cpu_resume),
+ __hyp_pa(init_params));
+}
+
+static int psci_system_suspend(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(unsigned long, pc, host_ctxt, 1);
+ DECLARE_REG(unsigned long, r0, host_ctxt, 2);
+
+ struct psci_boot_args *boot_args;
+ struct kvm_nvhe_init_params *init_params;
+
+ boot_args = this_cpu_ptr(&suspend_args);
+ init_params = this_cpu_ptr(&kvm_init_params);
+
+ /*
+ * No need to acquire a lock before writing to boot_args because a core
+ * can only suspend itself. Racy CPU_ON calls use a separate struct.
+ */
+ boot_args->pc = pc;
+ boot_args->r0 = r0;
+
+ /* Will only return on error. */
+ return psci_call(func_id,
+ __hyp_pa(&kvm_hyp_cpu_resume),
+ __hyp_pa(init_params), 0);
+}
+
+asmlinkage void __noreturn kvm_host_psci_cpu_entry(bool is_cpu_on)
+{
+ struct psci_boot_args *boot_args;
+ struct kvm_cpu_context *host_ctxt;
+
+ host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;
+
+ if (is_cpu_on)
+ boot_args = this_cpu_ptr(&cpu_on_args);
+ else
+ boot_args = this_cpu_ptr(&suspend_args);
+
+ cpu_reg(host_ctxt, 0) = boot_args->r0;
+ write_sysreg_el2(boot_args->pc, SYS_ELR);
+
+ if (is_cpu_on)
+ release_boot_args(boot_args);
+
+ __host_enter(host_ctxt);
+}
+
+static unsigned long psci_0_1_handler(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+ if (is_psci_0_1(cpu_off, func_id) || is_psci_0_1(migrate, func_id))
+ return psci_forward(host_ctxt);
+ if (is_psci_0_1(cpu_on, func_id))
+ return psci_cpu_on(func_id, host_ctxt);
+ if (is_psci_0_1(cpu_suspend, func_id))
+ return psci_cpu_suspend(func_id, host_ctxt);
+
+ return PSCI_RET_NOT_SUPPORTED;
+}
+
+static unsigned long psci_0_2_handler(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+ switch (func_id) {
+ case PSCI_0_2_FN_PSCI_VERSION:
+ case PSCI_0_2_FN_CPU_OFF:
+ case PSCI_0_2_FN64_AFFINITY_INFO:
+ case PSCI_0_2_FN64_MIGRATE:
+ case PSCI_0_2_FN_MIGRATE_INFO_TYPE:
+ case PSCI_0_2_FN64_MIGRATE_INFO_UP_CPU:
+ return psci_forward(host_ctxt);
+ /*
+ * SYSTEM_OFF/RESET should not return according to the spec.
+ * Allow it so as to stay robust to broken firmware.
+ */
+ case PSCI_0_2_FN_SYSTEM_OFF:
+ case PSCI_0_2_FN_SYSTEM_RESET:
+ return psci_forward(host_ctxt);
+ case PSCI_0_2_FN64_CPU_SUSPEND:
+ return psci_cpu_suspend(func_id, host_ctxt);
+ case PSCI_0_2_FN64_CPU_ON:
+ return psci_cpu_on(func_id, host_ctxt);
+ default:
+ return PSCI_RET_NOT_SUPPORTED;
+ }
+}
+
+static unsigned long psci_1_0_handler(u64 func_id, struct kvm_cpu_context *host_ctxt)
+{
+ switch (func_id) {
+ case PSCI_1_0_FN_PSCI_FEATURES:
+ case PSCI_1_0_FN_SET_SUSPEND_MODE:
+ case PSCI_1_1_FN64_SYSTEM_RESET2:
+ return psci_forward(host_ctxt);
+ case PSCI_1_0_FN64_SYSTEM_SUSPEND:
+ return psci_system_suspend(func_id, host_ctxt);
+ default:
+ return psci_0_2_handler(func_id, host_ctxt);
+ }
+}
+
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt)
+{
+ DECLARE_REG(u64, func_id, host_ctxt, 0);
+ unsigned long ret;
+
+ switch (kvm_host_psci_config.version) {
+ case PSCI_VERSION(0, 1):
+ if (!is_psci_0_1_call(func_id))
+ return false;
+ ret = psci_0_1_handler(func_id, host_ctxt);
+ break;
+ case PSCI_VERSION(0, 2):
+ if (!is_psci_0_2_call(func_id))
+ return false;
+ ret = psci_0_2_handler(func_id, host_ctxt);
+ break;
+ default:
+ if (!is_psci_0_2_call(func_id))
+ return false;
+ ret = psci_1_0_handler(func_id, host_ctxt);
+ break;
+ }
+
+ cpu_reg(host_ctxt, 0) = ret;
+ cpu_reg(host_ctxt, 1) = 0;
+ cpu_reg(host_ctxt, 2) = 0;
+ cpu_reg(host_ctxt, 3) = 0;
+ return true;
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c
new file mode 100644
index 0000000..7488f53
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/setup.c
@@ -0,0 +1,214 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <asm/kvm_hyp.h>
+#include <asm/kvm_mmu.h>
+#include <asm/kvm_pgtable.h>
+
+#include <nvhe/early_alloc.h>
+#include <nvhe/gfp.h>
+#include <nvhe/memory.h>
+#include <nvhe/mem_protect.h>
+#include <nvhe/mm.h>
+#include <nvhe/trap_handler.h>
+
+struct hyp_pool hpool;
+struct kvm_pgtable_mm_ops pkvm_pgtable_mm_ops;
+unsigned long hyp_nr_cpus;
+
+#define hyp_percpu_size ((unsigned long)__per_cpu_end - \
+ (unsigned long)__per_cpu_start)
+
+static void *vmemmap_base;
+static void *hyp_pgt_base;
+static void *host_s2_mem_pgt_base;
+static void *host_s2_dev_pgt_base;
+
+static int divide_memory_pool(void *virt, unsigned long size)
+{
+ unsigned long vstart, vend, nr_pages;
+
+ hyp_early_alloc_init(virt, size);
+
+ hyp_vmemmap_range(__hyp_pa(virt), size, &vstart, &vend);
+ nr_pages = (vend - vstart) >> PAGE_SHIFT;
+ vmemmap_base = hyp_early_alloc_contig(nr_pages);
+ if (!vmemmap_base)
+ return -ENOMEM;
+
+ nr_pages = hyp_s1_pgtable_pages();
+ hyp_pgt_base = hyp_early_alloc_contig(nr_pages);
+ if (!hyp_pgt_base)
+ return -ENOMEM;
+
+ nr_pages = host_s2_mem_pgtable_pages();
+ host_s2_mem_pgt_base = hyp_early_alloc_contig(nr_pages);
+ if (!host_s2_mem_pgt_base)
+ return -ENOMEM;
+
+ nr_pages = host_s2_dev_pgtable_pages();
+ host_s2_dev_pgt_base = hyp_early_alloc_contig(nr_pages);
+ if (!host_s2_dev_pgt_base)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int recreate_hyp_mappings(phys_addr_t phys, unsigned long size,
+ unsigned long *per_cpu_base,
+ u32 hyp_va_bits)
+{
+ void *start, *end, *virt = hyp_phys_to_virt(phys);
+ unsigned long pgt_size = hyp_s1_pgtable_pages() << PAGE_SHIFT;
+ int ret, i;
+
+ /* Recreate the hyp page-table using the early page allocator */
+ hyp_early_alloc_init(hyp_pgt_base, pgt_size);
+ ret = kvm_pgtable_hyp_init(&pkvm_pgtable, hyp_va_bits,
+ &hyp_early_alloc_mm_ops);
+ if (ret)
+ return ret;
+
+ ret = hyp_create_idmap(hyp_va_bits);
+ if (ret)
+ return ret;
+
+ ret = hyp_map_vectors();
+ if (ret)
+ return ret;
+
+ ret = hyp_back_vmemmap(phys, size, hyp_virt_to_phys(vmemmap_base));
+ if (ret)
+ return ret;
+
+ ret = pkvm_create_mappings(__hyp_text_start, __hyp_text_end, PAGE_HYP_EXEC);
+ if (ret)
+ return ret;
+
+ ret = pkvm_create_mappings(__start_rodata, __end_rodata, PAGE_HYP_RO);
+ if (ret)
+ return ret;
+
+ ret = pkvm_create_mappings(__hyp_rodata_start, __hyp_rodata_end, PAGE_HYP_RO);
+ if (ret)
+ return ret;
+
+ ret = pkvm_create_mappings(__hyp_bss_start, __hyp_bss_end, PAGE_HYP);
+ if (ret)
+ return ret;
+
+ ret = pkvm_create_mappings(__hyp_bss_end, __bss_stop, PAGE_HYP_RO);
+ if (ret)
+ return ret;
+
+ ret = pkvm_create_mappings(virt, virt + size, PAGE_HYP);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < hyp_nr_cpus; i++) {
+ start = (void *)kern_hyp_va(per_cpu_base[i]);
+ end = start + PAGE_ALIGN(hyp_percpu_size);
+ ret = pkvm_create_mappings(start, end, PAGE_HYP);
+ if (ret)
+ return ret;
+
+ end = (void *)per_cpu_ptr(&kvm_init_params, i)->stack_hyp_va;
+ start = end - PAGE_SIZE;
+ ret = pkvm_create_mappings(start, end, PAGE_HYP);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static void update_nvhe_init_params(void)
+{
+ struct kvm_nvhe_init_params *params;
+ unsigned long i;
+
+ for (i = 0; i < hyp_nr_cpus; i++) {
+ params = per_cpu_ptr(&kvm_init_params, i);
+ params->pgd_pa = __hyp_pa(pkvm_pgtable.pgd);
+ __flush_dcache_area(params, sizeof(*params));
+ }
+}
+
+static void *hyp_zalloc_hyp_page(void *arg)
+{
+ return hyp_alloc_pages(&hpool, 0);
+}
+
+void __noreturn __pkvm_init_finalise(void)
+{
+ struct kvm_host_data *host_data = this_cpu_ptr(&kvm_host_data);
+ struct kvm_cpu_context *host_ctxt = &host_data->host_ctxt;
+ unsigned long nr_pages, reserved_pages, pfn;
+ int ret;
+
+ /* Now that the vmemmap is backed, install the full-fledged allocator */
+ pfn = hyp_virt_to_pfn(hyp_pgt_base);
+ nr_pages = hyp_s1_pgtable_pages();
+ reserved_pages = hyp_early_alloc_nr_used_pages();
+ ret = hyp_pool_init(&hpool, pfn, nr_pages, reserved_pages);
+ if (ret)
+ goto out;
+
+ ret = kvm_host_prepare_stage2(host_s2_mem_pgt_base, host_s2_dev_pgt_base);
+ if (ret)
+ goto out;
+
+ pkvm_pgtable_mm_ops = (struct kvm_pgtable_mm_ops) {
+ .zalloc_page = hyp_zalloc_hyp_page,
+ .phys_to_virt = hyp_phys_to_virt,
+ .virt_to_phys = hyp_virt_to_phys,
+ .get_page = hyp_get_page,
+ .put_page = hyp_put_page,
+ };
+ pkvm_pgtable.mm_ops = &pkvm_pgtable_mm_ops;
+
+out:
+ /*
+ * We tail-called to here from handle___pkvm_init() and will not return,
+ * so make sure to propagate the return value to the host.
+ */
+ cpu_reg(host_ctxt, 1) = ret;
+
+ __host_enter(host_ctxt);
+}
+
+int __pkvm_init(phys_addr_t phys, unsigned long size, unsigned long nr_cpus,
+ unsigned long *per_cpu_base, u32 hyp_va_bits)
+{
+ struct kvm_nvhe_init_params *params;
+ void *virt = hyp_phys_to_virt(phys);
+ void (*fn)(phys_addr_t params_pa, void *finalize_fn_va);
+ int ret;
+
+ if (!PAGE_ALIGNED(phys) || !PAGE_ALIGNED(size))
+ return -EINVAL;
+
+ hyp_spin_lock_init(&pkvm_pgd_lock);
+ hyp_nr_cpus = nr_cpus;
+
+ ret = divide_memory_pool(virt, size);
+ if (ret)
+ return ret;
+
+ ret = recreate_hyp_mappings(phys, size, per_cpu_base, hyp_va_bits);
+ if (ret)
+ return ret;
+
+ update_nvhe_init_params();
+
+ /* Jump in the idmap page to switch to the new page-tables */
+ params = this_cpu_ptr(&kvm_init_params);
+ fn = (typeof(fn))__hyp_pa(__pkvm_init_switch_pgd);
+ fn(__hyp_pa(params), __pkvm_init_finalise);
+
+ unreachable();
+}
diff --git a/arch/arm64/kvm/hyp/nvhe/stub.c b/arch/arm64/kvm/hyp/nvhe/stub.c
new file mode 100644
index 0000000..c0aa6bb
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/stub.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Stubs for out-of-line function calls caused by re-using kernel
+ * infrastructure at EL2.
+ *
+ * Copyright (C) 2020 - Google LLC
+ */
+
+#include <linux/list.h>
+
+#ifdef CONFIG_DEBUG_LIST
+bool __list_add_valid(struct list_head *new, struct list_head *prev,
+ struct list_head *next)
+{
+ return true;
+}
+
+bool __list_del_entry_valid(struct list_head *entry)
+{
+ return true;
+}
+#endif
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c
index 6624596..e9f6ea7 100644
--- a/arch/arm64/kvm/hyp/nvhe/switch.c
+++ b/arch/arm64/kvm/hyp/nvhe/switch.c
@@ -4,6 +4,7 @@
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
+#include <hyp/adjust_pc.h>
#include <hyp/switch.h>
#include <hyp/sysreg-sr.h>
@@ -27,6 +28,8 @@
#include <asm/processor.h>
#include <asm/thread_info.h>
+#include <nvhe/mem_protect.h>
+
/* Non-VHE specific context */
DEFINE_PER_CPU(struct kvm_host_data, kvm_host_data);
DEFINE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt);
@@ -40,9 +43,9 @@ static void __activate_traps(struct kvm_vcpu *vcpu)
__activate_traps_common(vcpu);
val = CPTR_EL2_DEFAULT;
- val |= CPTR_EL2_TTA | CPTR_EL2_TZ | CPTR_EL2_TAM;
+ val |= CPTR_EL2_TTA | CPTR_EL2_TAM;
if (!update_fp_enabled(vcpu)) {
- val |= CPTR_EL2_TFP;
+ val |= CPTR_EL2_TFP | CPTR_EL2_TZ;
__activate_traps_fpsimd32(vcpu);
}
@@ -67,7 +70,7 @@ static void __activate_traps(struct kvm_vcpu *vcpu)
static void __deactivate_traps(struct kvm_vcpu *vcpu)
{
extern char __kvm_hyp_host_vector[];
- u64 mdcr_el2;
+ u64 mdcr_el2, cptr;
___deactivate_traps(vcpu);
@@ -94,16 +97,17 @@ static void __deactivate_traps(struct kvm_vcpu *vcpu)
mdcr_el2 &= MDCR_EL2_HPMN_MASK;
mdcr_el2 |= MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT;
+ mdcr_el2 |= MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT;
write_sysreg(mdcr_el2, mdcr_el2);
- write_sysreg(HCR_HOST_NVHE_FLAGS, hcr_el2);
- write_sysreg(CPTR_EL2_DEFAULT, cptr_el2);
- write_sysreg(__kvm_hyp_host_vector, vbar_el2);
-}
+ write_sysreg(this_cpu_ptr(&kvm_init_params)->hcr_el2, hcr_el2);
-static void __load_host_stage2(void)
-{
- write_sysreg(0, vttbr_el2);
+ cptr = CPTR_EL2_DEFAULT;
+ if (vcpu_has_sve(vcpu) && (vcpu->arch.flags & KVM_ARM64_FP_ENABLED))
+ cptr |= CPTR_EL2_TZ;
+
+ write_sysreg(cptr, cptr_el2);
+ write_sysreg(__kvm_hyp_host_vector, vbar_el2);
}
/* Save VGICv3 state on non-VHE systems */
@@ -197,6 +201,8 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
*/
__debug_save_host_buffers_nvhe(vcpu);
+ __adjust_pc(vcpu);
+
/*
* We must restore the 32-bit state before the sysregs, thanks
* to erratum #852523 (Cortex-A57) or #853709 (Cortex-A72).
diff --git a/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c b/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c
index 88a25fc..2930502 100644
--- a/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c
+++ b/arch/arm64/kvm/hyp/nvhe/sysreg-sr.c
@@ -33,14 +33,3 @@ void __sysreg_restore_state_nvhe(struct kvm_cpu_context *ctxt)
__sysreg_restore_user_state(ctxt);
__sysreg_restore_el2_return_state(ctxt);
}
-
-void __kvm_enable_ssbs(void)
-{
- u64 tmp;
-
- asm volatile(
- "mrs %0, sctlr_el2\n"
- "orr %0, %0, %1\n"
- "msr sctlr_el2, %0"
- : "=&r" (tmp) : "L" (SCTLR_ELx_DSSBS));
-}
diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c
index 229b067..83dc3b2 100644
--- a/arch/arm64/kvm/hyp/nvhe/tlb.c
+++ b/arch/arm64/kvm/hyp/nvhe/tlb.c
@@ -8,6 +8,8 @@
#include <asm/kvm_mmu.h>
#include <asm/tlbflush.h>
+#include <nvhe/mem_protect.h>
+
struct tlb_inv_context {
u64 tcr;
};
@@ -43,7 +45,7 @@ static void __tlb_switch_to_guest(struct kvm_s2_mmu *mmu,
static void __tlb_switch_to_host(struct tlb_inv_context *cxt)
{
- write_sysreg(0, vttbr_el2);
+ __load_host_stage2();
if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
/* Ensure write of the host VMID */
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index 4d99d07..c37c1dc 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -9,8 +9,7 @@
#include <linux/bitfield.h>
#include <asm/kvm_pgtable.h>
-
-#define KVM_PGTABLE_MAX_LEVELS 4U
+#include <asm/stage2_pgtable.h>
#define KVM_PTE_VALID BIT(0)
@@ -45,6 +44,15 @@
#define KVM_PTE_LEAF_ATTR_HI_S2_XN BIT(54)
+#define KVM_PTE_LEAF_ATTR_S2_PERMS (KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R | \
+ KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W | \
+ KVM_PTE_LEAF_ATTR_HI_S2_XN)
+
+#define KVM_PTE_LEAF_ATTR_S2_IGNORED GENMASK(58, 55)
+
+#define KVM_INVALID_PTE_OWNER_MASK GENMASK(63, 56)
+#define KVM_MAX_OWNER_ID 1
+
struct kvm_pgtable_walk_data {
struct kvm_pgtable *pgt;
struct kvm_pgtable_walker *walker;
@@ -64,21 +72,36 @@ static u64 kvm_granule_size(u32 level)
return BIT(kvm_granule_shift(level));
}
-static bool kvm_block_mapping_supported(u64 addr, u64 end, u64 phys, u32 level)
-{
- u64 granule = kvm_granule_size(level);
+#define KVM_PHYS_INVALID (-1ULL)
+static bool kvm_phys_is_valid(u64 phys)
+{
+ return phys < BIT(id_aa64mmfr0_parange_to_phys_shift(ID_AA64MMFR0_PARANGE_MAX));
+}
+
+static bool kvm_level_supports_block_mapping(u32 level)
+{
/*
* Reject invalid block mappings and don't bother with 4TB mappings for
* 52-bit PAs.
*/
- if (level == 0 || (PAGE_SIZE != SZ_4K && level == 1))
+ return !(level == 0 || (PAGE_SIZE != SZ_4K && level == 1));
+}
+
+static bool kvm_block_mapping_supported(u64 addr, u64 end, u64 phys, u32 level)
+{
+ u64 granule = kvm_granule_size(level);
+
+ if (!kvm_level_supports_block_mapping(level))
return false;
if (granule > (end - addr))
return false;
- return IS_ALIGNED(addr, granule) && IS_ALIGNED(phys, granule);
+ if (kvm_phys_is_valid(phys) && !IS_ALIGNED(phys, granule))
+ return false;
+
+ return IS_ALIGNED(addr, granule);
}
static u32 kvm_pgtable_idx(struct kvm_pgtable_walk_data *data, u32 level)
@@ -148,20 +171,20 @@ static kvm_pte_t kvm_phys_to_pte(u64 pa)
return pte;
}
-static kvm_pte_t *kvm_pte_follow(kvm_pte_t pte)
+static kvm_pte_t *kvm_pte_follow(kvm_pte_t pte, struct kvm_pgtable_mm_ops *mm_ops)
{
- return __va(kvm_pte_to_phys(pte));
+ return mm_ops->phys_to_virt(kvm_pte_to_phys(pte));
}
-static void kvm_set_invalid_pte(kvm_pte_t *ptep)
+static void kvm_clear_pte(kvm_pte_t *ptep)
{
- kvm_pte_t pte = *ptep;
- WRITE_ONCE(*ptep, pte & ~KVM_PTE_VALID);
+ WRITE_ONCE(*ptep, 0);
}
-static void kvm_set_table_pte(kvm_pte_t *ptep, kvm_pte_t *childp)
+static void kvm_set_table_pte(kvm_pte_t *ptep, kvm_pte_t *childp,
+ struct kvm_pgtable_mm_ops *mm_ops)
{
- kvm_pte_t old = *ptep, pte = kvm_phys_to_pte(__pa(childp));
+ kvm_pte_t old = *ptep, pte = kvm_phys_to_pte(mm_ops->virt_to_phys(childp));
pte |= FIELD_PREP(KVM_PTE_TYPE, KVM_PTE_TYPE_TABLE);
pte |= KVM_PTE_VALID;
@@ -170,10 +193,9 @@ static void kvm_set_table_pte(kvm_pte_t *ptep, kvm_pte_t *childp)
smp_store_release(ptep, pte);
}
-static bool kvm_set_valid_leaf_pte(kvm_pte_t *ptep, u64 pa, kvm_pte_t attr,
- u32 level)
+static kvm_pte_t kvm_init_valid_leaf_pte(u64 pa, kvm_pte_t attr, u32 level)
{
- kvm_pte_t old = *ptep, pte = kvm_phys_to_pte(pa);
+ kvm_pte_t pte = kvm_phys_to_pte(pa);
u64 type = (level == KVM_PGTABLE_MAX_LEVELS - 1) ? KVM_PTE_TYPE_PAGE :
KVM_PTE_TYPE_BLOCK;
@@ -181,12 +203,12 @@ static bool kvm_set_valid_leaf_pte(kvm_pte_t *ptep, u64 pa, kvm_pte_t attr,
pte |= FIELD_PREP(KVM_PTE_TYPE, type);
pte |= KVM_PTE_VALID;
- /* Tolerate KVM recreating the exact same mapping. */
- if (kvm_pte_valid(old))
- return old == pte;
+ return pte;
+}
- smp_store_release(ptep, pte);
- return true;
+static kvm_pte_t kvm_init_invalid_leaf_owner(u8 owner_id)
+{
+ return FIELD_PREP(KVM_INVALID_PTE_OWNER_MASK, owner_id);
}
static int kvm_pgtable_visitor_cb(struct kvm_pgtable_walk_data *data, u64 addr,
@@ -230,7 +252,7 @@ static inline int __kvm_pgtable_visit(struct kvm_pgtable_walk_data *data,
goto out;
}
- childp = kvm_pte_follow(pte);
+ childp = kvm_pte_follow(pte, data->pgt->mm_ops);
ret = __kvm_pgtable_walk(data, childp, level + 1);
if (ret)
goto out;
@@ -305,12 +327,12 @@ int kvm_pgtable_walk(struct kvm_pgtable *pgt, u64 addr, u64 size,
}
struct hyp_map_data {
- u64 phys;
- kvm_pte_t attr;
+ u64 phys;
+ kvm_pte_t attr;
+ struct kvm_pgtable_mm_ops *mm_ops;
};
-static int hyp_map_set_prot_attr(enum kvm_pgtable_prot prot,
- struct hyp_map_data *data)
+static int hyp_set_prot_attr(enum kvm_pgtable_prot prot, kvm_pte_t *ptep)
{
bool device = prot & KVM_PGTABLE_PROT_DEVICE;
u32 mtype = device ? MT_DEVICE_nGnRE : MT_NORMAL;
@@ -335,19 +357,25 @@ static int hyp_map_set_prot_attr(enum kvm_pgtable_prot prot,
attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S1_AP, ap);
attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S1_SH, sh);
attr |= KVM_PTE_LEAF_ATTR_LO_S1_AF;
- data->attr = attr;
+ *ptep = attr;
+
return 0;
}
static bool hyp_map_walker_try_leaf(u64 addr, u64 end, u32 level,
kvm_pte_t *ptep, struct hyp_map_data *data)
{
+ kvm_pte_t new, old = *ptep;
u64 granule = kvm_granule_size(level), phys = data->phys;
if (!kvm_block_mapping_supported(addr, end, phys, level))
return false;
- WARN_ON(!kvm_set_valid_leaf_pte(ptep, phys, data->attr, level));
+ /* Tolerate KVM recreating the exact same mapping */
+ new = kvm_init_valid_leaf_pte(phys, data->attr, level);
+ if (old != new && !WARN_ON(kvm_pte_valid(old)))
+ smp_store_release(ptep, new);
+
data->phys += granule;
return true;
}
@@ -356,6 +384,8 @@ static int hyp_map_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
enum kvm_pgtable_walk_flags flag, void * const arg)
{
kvm_pte_t *childp;
+ struct hyp_map_data *data = arg;
+ struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
if (hyp_map_walker_try_leaf(addr, end, level, ptep, arg))
return 0;
@@ -363,11 +393,11 @@ static int hyp_map_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
if (WARN_ON(level == KVM_PGTABLE_MAX_LEVELS - 1))
return -EINVAL;
- childp = (kvm_pte_t *)get_zeroed_page(GFP_KERNEL);
+ childp = (kvm_pte_t *)mm_ops->zalloc_page(NULL);
if (!childp)
return -ENOMEM;
- kvm_set_table_pte(ptep, childp);
+ kvm_set_table_pte(ptep, childp, mm_ops);
return 0;
}
@@ -377,6 +407,7 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys,
int ret;
struct hyp_map_data map_data = {
.phys = ALIGN_DOWN(phys, PAGE_SIZE),
+ .mm_ops = pgt->mm_ops,
};
struct kvm_pgtable_walker walker = {
.cb = hyp_map_walker,
@@ -384,7 +415,7 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys,
.arg = &map_data,
};
- ret = hyp_map_set_prot_attr(prot, &map_data);
+ ret = hyp_set_prot_attr(prot, &map_data.attr);
if (ret)
return ret;
@@ -394,16 +425,18 @@ int kvm_pgtable_hyp_map(struct kvm_pgtable *pgt, u64 addr, u64 size, u64 phys,
return ret;
}
-int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits)
+int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits,
+ struct kvm_pgtable_mm_ops *mm_ops)
{
u64 levels = ARM64_HW_PGTABLE_LEVELS(va_bits);
- pgt->pgd = (kvm_pte_t *)get_zeroed_page(GFP_KERNEL);
+ pgt->pgd = (kvm_pte_t *)mm_ops->zalloc_page(NULL);
if (!pgt->pgd)
return -ENOMEM;
pgt->ia_bits = va_bits;
pgt->start_level = KVM_PGTABLE_MAX_LEVELS - levels;
+ pgt->mm_ops = mm_ops;
pgt->mmu = NULL;
return 0;
}
@@ -411,7 +444,9 @@ int kvm_pgtable_hyp_init(struct kvm_pgtable *pgt, u32 va_bits)
static int hyp_free_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
enum kvm_pgtable_walk_flags flag, void * const arg)
{
- free_page((unsigned long)kvm_pte_follow(*ptep));
+ struct kvm_pgtable_mm_ops *mm_ops = arg;
+
+ mm_ops->put_page((void *)kvm_pte_follow(*ptep, mm_ops));
return 0;
}
@@ -420,29 +455,75 @@ void kvm_pgtable_hyp_destroy(struct kvm_pgtable *pgt)
struct kvm_pgtable_walker walker = {
.cb = hyp_free_walker,
.flags = KVM_PGTABLE_WALK_TABLE_POST,
+ .arg = pgt->mm_ops,
};
WARN_ON(kvm_pgtable_walk(pgt, 0, BIT(pgt->ia_bits), &walker));
- free_page((unsigned long)pgt->pgd);
+ pgt->mm_ops->put_page(pgt->pgd);
pgt->pgd = NULL;
}
struct stage2_map_data {
u64 phys;
kvm_pte_t attr;
+ u8 owner_id;
kvm_pte_t *anchor;
+ kvm_pte_t *childp;
struct kvm_s2_mmu *mmu;
- struct kvm_mmu_memory_cache *memcache;
+ void *memcache;
+
+ struct kvm_pgtable_mm_ops *mm_ops;
};
-static int stage2_map_set_prot_attr(enum kvm_pgtable_prot prot,
- struct stage2_map_data *data)
+u64 kvm_get_vtcr(u64 mmfr0, u64 mmfr1, u32 phys_shift)
+{
+ u64 vtcr = VTCR_EL2_FLAGS;
+ u8 lvls;
+
+ vtcr |= kvm_get_parange(mmfr0) << VTCR_EL2_PS_SHIFT;
+ vtcr |= VTCR_EL2_T0SZ(phys_shift);
+ /*
+ * Use a minimum 2 level page table to prevent splitting
+ * host PMD huge pages at stage2.
+ */
+ lvls = stage2_pgtable_levels(phys_shift);
+ if (lvls < 2)
+ lvls = 2;
+ vtcr |= VTCR_EL2_LVLS_TO_SL0(lvls);
+
+ /*
+ * Enable the Hardware Access Flag management, unconditionally
+ * on all CPUs. The features is RES0 on CPUs without the support
+ * and must be ignored by the CPUs.
+ */
+ vtcr |= VTCR_EL2_HA;
+
+ /* Set the vmid bits */
+ vtcr |= (get_vmid_bits(mmfr1) == 16) ?
+ VTCR_EL2_VS_16BIT :
+ VTCR_EL2_VS_8BIT;
+
+ return vtcr;
+}
+
+static bool stage2_has_fwb(struct kvm_pgtable *pgt)
+{
+ if (!cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
+ return false;
+
+ return !(pgt->flags & KVM_PGTABLE_S2_NOFWB);
+}
+
+#define KVM_S2_MEMATTR(pgt, attr) PAGE_S2_MEMATTR(attr, stage2_has_fwb(pgt))
+
+static int stage2_set_prot_attr(struct kvm_pgtable *pgt, enum kvm_pgtable_prot prot,
+ kvm_pte_t *ptep)
{
bool device = prot & KVM_PGTABLE_PROT_DEVICE;
- kvm_pte_t attr = device ? PAGE_S2_MEMATTR(DEVICE_nGnRE) :
- PAGE_S2_MEMATTR(NORMAL);
+ kvm_pte_t attr = device ? KVM_S2_MEMATTR(pgt, DEVICE_nGnRE) :
+ KVM_S2_MEMATTR(pgt, NORMAL);
u32 sh = KVM_PTE_LEAF_ATTR_LO_S2_SH_IS;
if (!(prot & KVM_PGTABLE_PROT_X))
@@ -458,38 +539,79 @@ static int stage2_map_set_prot_attr(enum kvm_pgtable_prot prot,
attr |= FIELD_PREP(KVM_PTE_LEAF_ATTR_LO_S2_SH, sh);
attr |= KVM_PTE_LEAF_ATTR_LO_S2_AF;
- data->attr = attr;
+ *ptep = attr;
+
return 0;
}
-static bool stage2_map_walker_try_leaf(u64 addr, u64 end, u32 level,
- kvm_pte_t *ptep,
- struct stage2_map_data *data)
+static bool stage2_pte_needs_update(kvm_pte_t old, kvm_pte_t new)
{
+ if (!kvm_pte_valid(old) || !kvm_pte_valid(new))
+ return true;
+
+ return ((old ^ new) & (~KVM_PTE_LEAF_ATTR_S2_PERMS));
+}
+
+static bool stage2_pte_is_counted(kvm_pte_t pte)
+{
+ /*
+ * The refcount tracks valid entries as well as invalid entries if they
+ * encode ownership of a page to another entity than the page-table
+ * owner, whose id is 0.
+ */
+ return !!pte;
+}
+
+static void stage2_put_pte(kvm_pte_t *ptep, struct kvm_s2_mmu *mmu, u64 addr,
+ u32 level, struct kvm_pgtable_mm_ops *mm_ops)
+{
+ /*
+ * Clear the existing PTE, and perform break-before-make with
+ * TLB maintenance if it was valid.
+ */
+ if (kvm_pte_valid(*ptep)) {
+ kvm_clear_pte(ptep);
+ kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu, addr, level);
+ }
+
+ mm_ops->put_page(ptep);
+}
+
+static int stage2_map_walker_try_leaf(u64 addr, u64 end, u32 level,
+ kvm_pte_t *ptep,
+ struct stage2_map_data *data)
+{
+ kvm_pte_t new, old = *ptep;
u64 granule = kvm_granule_size(level), phys = data->phys;
+ struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
if (!kvm_block_mapping_supported(addr, end, phys, level))
- return false;
+ return -E2BIG;
- /*
- * If the PTE was already valid, drop the refcount on the table
- * early, as it will be bumped-up again in stage2_map_walk_leaf().
- * This ensures that the refcount stays constant across a valid to
- * valid PTE update.
- */
- if (kvm_pte_valid(*ptep))
- put_page(virt_to_page(ptep));
+ if (kvm_phys_is_valid(phys))
+ new = kvm_init_valid_leaf_pte(phys, data->attr, level);
+ else
+ new = kvm_init_invalid_leaf_owner(data->owner_id);
- if (kvm_set_valid_leaf_pte(ptep, phys, data->attr, level))
- goto out;
+ if (stage2_pte_is_counted(old)) {
+ /*
+ * Skip updating the PTE if we are trying to recreate the exact
+ * same mapping or only change the access permissions. Instead,
+ * the vCPU will exit one more time from guest if still needed
+ * and then go through the path of relaxing permissions.
+ */
+ if (!stage2_pte_needs_update(old, new))
+ return -EAGAIN;
- /* There's an existing valid leaf entry, so perform break-before-make */
- kvm_set_invalid_pte(ptep);
- kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, data->mmu, addr, level);
- kvm_set_valid_leaf_pte(ptep, phys, data->attr, level);
-out:
- data->phys += granule;
- return true;
+ stage2_put_pte(ptep, data->mmu, addr, level, mm_ops);
+ }
+
+ smp_store_release(ptep, new);
+ if (stage2_pte_is_counted(new))
+ mm_ops->get_page(ptep);
+ if (kvm_phys_is_valid(phys))
+ data->phys += granule;
+ return 0;
}
static int stage2_map_walk_table_pre(u64 addr, u64 end, u32 level,
@@ -502,7 +624,8 @@ static int stage2_map_walk_table_pre(u64 addr, u64 end, u32 level,
if (!kvm_block_mapping_supported(addr, end, data->phys, level))
return 0;
- kvm_set_invalid_pte(ptep);
+ data->childp = kvm_pte_follow(*ptep, data->mm_ops);
+ kvm_clear_pte(ptep);
/*
* Invalidate the whole stage-2, as we may have numerous leaf
@@ -517,18 +640,20 @@ static int stage2_map_walk_table_pre(u64 addr, u64 end, u32 level,
static int stage2_map_walk_leaf(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
struct stage2_map_data *data)
{
+ struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
kvm_pte_t *childp, pte = *ptep;
- struct page *page = virt_to_page(ptep);
+ int ret;
if (data->anchor) {
- if (kvm_pte_valid(pte))
- put_page(page);
+ if (stage2_pte_is_counted(pte))
+ mm_ops->put_page(ptep);
return 0;
}
- if (stage2_map_walker_try_leaf(addr, end, level, ptep, data))
- goto out_get_page;
+ ret = stage2_map_walker_try_leaf(addr, end, level, ptep, data);
+ if (ret != -E2BIG)
+ return ret;
if (WARN_ON(level == KVM_PGTABLE_MAX_LEVELS - 1))
return -EINVAL;
@@ -536,7 +661,7 @@ static int stage2_map_walk_leaf(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
if (!data->memcache)
return -ENOMEM;
- childp = kvm_mmu_memory_cache_alloc(data->memcache);
+ childp = mm_ops->zalloc_page(data->memcache);
if (!childp)
return -ENOMEM;
@@ -545,16 +670,12 @@ static int stage2_map_walk_leaf(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
* a table. Accesses beyond 'end' that fall within the new table
* will be mapped lazily.
*/
- if (kvm_pte_valid(pte)) {
- kvm_set_invalid_pte(ptep);
- kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, data->mmu, addr, level);
- put_page(page);
- }
+ if (stage2_pte_is_counted(pte))
+ stage2_put_pte(ptep, data->mmu, addr, level, mm_ops);
- kvm_set_table_pte(ptep, childp);
+ kvm_set_table_pte(ptep, childp, mm_ops);
+ mm_ops->get_page(ptep);
-out_get_page:
- get_page(page);
return 0;
}
@@ -562,19 +683,25 @@ static int stage2_map_walk_table_post(u64 addr, u64 end, u32 level,
kvm_pte_t *ptep,
struct stage2_map_data *data)
{
+ struct kvm_pgtable_mm_ops *mm_ops = data->mm_ops;
+ kvm_pte_t *childp;
int ret = 0;
if (!data->anchor)
return 0;
- free_page((unsigned long)kvm_pte_follow(*ptep));
- put_page(virt_to_page(ptep));
-
if (data->anchor == ptep) {
+ childp = data->childp;
data->anchor = NULL;
+ data->childp = NULL;
ret = stage2_map_walk_leaf(addr, end, level, ptep, data);
+ } else {
+ childp = kvm_pte_follow(*ptep, mm_ops);
}
+ mm_ops->put_page(childp);
+ mm_ops->put_page(ptep);
+
return ret;
}
@@ -616,13 +743,14 @@ static int stage2_map_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
u64 phys, enum kvm_pgtable_prot prot,
- struct kvm_mmu_memory_cache *mc)
+ void *mc)
{
int ret;
struct stage2_map_data map_data = {
.phys = ALIGN_DOWN(phys, PAGE_SIZE),
.mmu = pgt->mmu,
.memcache = mc,
+ .mm_ops = pgt->mm_ops,
};
struct kvm_pgtable_walker walker = {
.cb = stage2_map_walker,
@@ -632,7 +760,10 @@ int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
.arg = &map_data,
};
- ret = stage2_map_set_prot_attr(prot, &map_data);
+ if (WARN_ON((pgt->flags & KVM_PGTABLE_S2_IDMAP) && (addr != phys)))
+ return -EINVAL;
+
+ ret = stage2_set_prot_attr(pgt, prot, &map_data.attr);
if (ret)
return ret;
@@ -641,38 +772,63 @@ int kvm_pgtable_stage2_map(struct kvm_pgtable *pgt, u64 addr, u64 size,
return ret;
}
-static void stage2_flush_dcache(void *addr, u64 size)
+int kvm_pgtable_stage2_set_owner(struct kvm_pgtable *pgt, u64 addr, u64 size,
+ void *mc, u8 owner_id)
{
- if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
- return;
+ int ret;
+ struct stage2_map_data map_data = {
+ .phys = KVM_PHYS_INVALID,
+ .mmu = pgt->mmu,
+ .memcache = mc,
+ .mm_ops = pgt->mm_ops,
+ .owner_id = owner_id,
+ };
+ struct kvm_pgtable_walker walker = {
+ .cb = stage2_map_walker,
+ .flags = KVM_PGTABLE_WALK_TABLE_PRE |
+ KVM_PGTABLE_WALK_LEAF |
+ KVM_PGTABLE_WALK_TABLE_POST,
+ .arg = &map_data,
+ };
- __flush_dcache_area(addr, size);
+ if (owner_id > KVM_MAX_OWNER_ID)
+ return -EINVAL;
+
+ ret = kvm_pgtable_walk(pgt, addr, size, &walker);
+ return ret;
}
-static bool stage2_pte_cacheable(kvm_pte_t pte)
+static bool stage2_pte_cacheable(struct kvm_pgtable *pgt, kvm_pte_t pte)
{
u64 memattr = pte & KVM_PTE_LEAF_ATTR_LO_S2_MEMATTR;
- return memattr == PAGE_S2_MEMATTR(NORMAL);
+ return memattr == KVM_S2_MEMATTR(pgt, NORMAL);
}
static int stage2_unmap_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
enum kvm_pgtable_walk_flags flag,
void * const arg)
{
- struct kvm_s2_mmu *mmu = arg;
+ struct kvm_pgtable *pgt = arg;
+ struct kvm_s2_mmu *mmu = pgt->mmu;
+ struct kvm_pgtable_mm_ops *mm_ops = pgt->mm_ops;
kvm_pte_t pte = *ptep, *childp = NULL;
bool need_flush = false;
- if (!kvm_pte_valid(pte))
+ if (!kvm_pte_valid(pte)) {
+ if (stage2_pte_is_counted(pte)) {
+ kvm_clear_pte(ptep);
+ mm_ops->put_page(ptep);
+ }
return 0;
+ }
if (kvm_pte_table(pte, level)) {
- childp = kvm_pte_follow(pte);
+ childp = kvm_pte_follow(pte, mm_ops);
- if (page_count(virt_to_page(childp)) != 1)
+ if (mm_ops->page_count(childp) != 1)
return 0;
- } else if (stage2_pte_cacheable(pte)) {
- need_flush = true;
+ } else if (stage2_pte_cacheable(pgt, pte)) {
+ need_flush = !stage2_has_fwb(pgt);
}
/*
@@ -680,17 +836,15 @@ static int stage2_unmap_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
* block entry and rely on the remaining portions being faulted
* back lazily.
*/
- kvm_set_invalid_pte(ptep);
- kvm_call_hyp(__kvm_tlb_flush_vmid_ipa, mmu, addr, level);
- put_page(virt_to_page(ptep));
+ stage2_put_pte(ptep, mmu, addr, level, mm_ops);
if (need_flush) {
- stage2_flush_dcache(kvm_pte_follow(pte),
+ __flush_dcache_area(kvm_pte_follow(pte, mm_ops),
kvm_granule_size(level));
}
if (childp)
- free_page((unsigned long)childp);
+ mm_ops->put_page(childp);
return 0;
}
@@ -699,7 +853,7 @@ int kvm_pgtable_stage2_unmap(struct kvm_pgtable *pgt, u64 addr, u64 size)
{
struct kvm_pgtable_walker walker = {
.cb = stage2_unmap_walker,
- .arg = pgt->mmu,
+ .arg = pgt,
.flags = KVM_PGTABLE_WALK_LEAF | KVM_PGTABLE_WALK_TABLE_POST,
};
@@ -831,12 +985,14 @@ static int stage2_flush_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
enum kvm_pgtable_walk_flags flag,
void * const arg)
{
+ struct kvm_pgtable *pgt = arg;
+ struct kvm_pgtable_mm_ops *mm_ops = pgt->mm_ops;
kvm_pte_t pte = *ptep;
- if (!kvm_pte_valid(pte) || !stage2_pte_cacheable(pte))
+ if (!kvm_pte_valid(pte) || !stage2_pte_cacheable(pgt, pte))
return 0;
- stage2_flush_dcache(kvm_pte_follow(pte), kvm_granule_size(level));
+ __flush_dcache_area(kvm_pte_follow(pte, mm_ops), kvm_granule_size(level));
return 0;
}
@@ -845,30 +1001,35 @@ int kvm_pgtable_stage2_flush(struct kvm_pgtable *pgt, u64 addr, u64 size)
struct kvm_pgtable_walker walker = {
.cb = stage2_flush_walker,
.flags = KVM_PGTABLE_WALK_LEAF,
+ .arg = pgt,
};
- if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
+ if (stage2_has_fwb(pgt))
return 0;
return kvm_pgtable_walk(pgt, addr, size, &walker);
}
-int kvm_pgtable_stage2_init(struct kvm_pgtable *pgt, struct kvm *kvm)
+int kvm_pgtable_stage2_init_flags(struct kvm_pgtable *pgt, struct kvm_arch *arch,
+ struct kvm_pgtable_mm_ops *mm_ops,
+ enum kvm_pgtable_stage2_flags flags)
{
size_t pgd_sz;
- u64 vtcr = kvm->arch.vtcr;
+ u64 vtcr = arch->vtcr;
u32 ia_bits = VTCR_EL2_IPA(vtcr);
u32 sl0 = FIELD_GET(VTCR_EL2_SL0_MASK, vtcr);
u32 start_level = VTCR_EL2_TGRAN_SL0_BASE - sl0;
pgd_sz = kvm_pgd_pages(ia_bits, start_level) * PAGE_SIZE;
- pgt->pgd = alloc_pages_exact(pgd_sz, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
+ pgt->pgd = mm_ops->zalloc_pages_exact(pgd_sz);
if (!pgt->pgd)
return -ENOMEM;
pgt->ia_bits = ia_bits;
pgt->start_level = start_level;
- pgt->mmu = &kvm->arch.mmu;
+ pgt->mm_ops = mm_ops;
+ pgt->mmu = &arch->mmu;
+ pgt->flags = flags;
/* Ensure zeroed PGD pages are visible to the hardware walker */
dsb(ishst);
@@ -879,15 +1040,16 @@ static int stage2_free_walker(u64 addr, u64 end, u32 level, kvm_pte_t *ptep,
enum kvm_pgtable_walk_flags flag,
void * const arg)
{
+ struct kvm_pgtable_mm_ops *mm_ops = arg;
kvm_pte_t pte = *ptep;
- if (!kvm_pte_valid(pte))
+ if (!stage2_pte_is_counted(pte))
return 0;
- put_page(virt_to_page(ptep));
+ mm_ops->put_page(ptep);
if (kvm_pte_table(pte, level))
- free_page((unsigned long)kvm_pte_follow(pte));
+ mm_ops->put_page(kvm_pte_follow(pte, mm_ops));
return 0;
}
@@ -899,10 +1061,85 @@ void kvm_pgtable_stage2_destroy(struct kvm_pgtable *pgt)
.cb = stage2_free_walker,
.flags = KVM_PGTABLE_WALK_LEAF |
KVM_PGTABLE_WALK_TABLE_POST,
+ .arg = pgt->mm_ops,
};
WARN_ON(kvm_pgtable_walk(pgt, 0, BIT(pgt->ia_bits), &walker));
pgd_sz = kvm_pgd_pages(pgt->ia_bits, pgt->start_level) * PAGE_SIZE;
- free_pages_exact(pgt->pgd, pgd_sz);
+ pgt->mm_ops->free_pages_exact(pgt->pgd, pgd_sz);
pgt->pgd = NULL;
}
+
+#define KVM_PTE_LEAF_S2_COMPAT_MASK (KVM_PTE_LEAF_ATTR_S2_PERMS | \
+ KVM_PTE_LEAF_ATTR_LO_S2_MEMATTR | \
+ KVM_PTE_LEAF_ATTR_S2_IGNORED)
+
+static int stage2_check_permission_walker(u64 addr, u64 end, u32 level,
+ kvm_pte_t *ptep,
+ enum kvm_pgtable_walk_flags flag,
+ void * const arg)
+{
+ kvm_pte_t old_attr, pte = *ptep, *new_attr = arg;
+
+ /*
+ * Compatible mappings are either invalid and owned by the page-table
+ * owner (whose id is 0), or valid with matching permission attributes.
+ */
+ if (kvm_pte_valid(pte)) {
+ old_attr = pte & KVM_PTE_LEAF_S2_COMPAT_MASK;
+ if (old_attr != *new_attr)
+ return -EEXIST;
+ } else if (pte) {
+ return -EEXIST;
+ }
+
+ return 0;
+}
+
+int kvm_pgtable_stage2_find_range(struct kvm_pgtable *pgt, u64 addr,
+ enum kvm_pgtable_prot prot,
+ struct kvm_mem_range *range)
+{
+ kvm_pte_t attr;
+ struct kvm_pgtable_walker check_perm_walker = {
+ .cb = stage2_check_permission_walker,
+ .flags = KVM_PGTABLE_WALK_LEAF,
+ .arg = &attr,
+ };
+ u64 granule, start, end;
+ u32 level;
+ int ret;
+
+ ret = stage2_set_prot_attr(pgt, prot, &attr);
+ if (ret)
+ return ret;
+ attr &= KVM_PTE_LEAF_S2_COMPAT_MASK;
+
+ for (level = pgt->start_level; level < KVM_PGTABLE_MAX_LEVELS; level++) {
+ granule = kvm_granule_size(level);
+ start = ALIGN_DOWN(addr, granule);
+ end = start + granule;
+
+ if (!kvm_level_supports_block_mapping(level))
+ continue;
+
+ if (start < range->start || range->end < end)
+ continue;
+
+ /*
+ * Check the presence of existing mappings with incompatible
+ * permissions within the current block range, and try one level
+ * deeper if one is found.
+ */
+ ret = kvm_pgtable_walk(pgt, start, granule, &check_perm_walker);
+ if (ret != -EEXIST)
+ break;
+ }
+
+ if (!ret) {
+ range->start = start;
+ range->end = end;
+ }
+
+ return ret;
+}
diff --git a/arch/arm64/kvm/hyp/reserved_mem.c b/arch/arm64/kvm/hyp/reserved_mem.c
new file mode 100644
index 0000000..83ca23a
--- /dev/null
+++ b/arch/arm64/kvm/hyp/reserved_mem.c
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 - Google LLC
+ * Author: Quentin Perret <qperret@google.com>
+ */
+
+#include <linux/kvm_host.h>
+#include <linux/memblock.h>
+#include <linux/sort.h>
+
+#include <asm/kvm_host.h>
+
+#include <nvhe/memory.h>
+#include <nvhe/mm.h>
+
+static struct memblock_region *hyp_memory = kvm_nvhe_sym(hyp_memory);
+static unsigned int *hyp_memblock_nr_ptr = &kvm_nvhe_sym(hyp_memblock_nr);
+
+phys_addr_t hyp_mem_base;
+phys_addr_t hyp_mem_size;
+
+static int cmp_hyp_memblock(const void *p1, const void *p2)
+{
+ const struct memblock_region *r1 = p1;
+ const struct memblock_region *r2 = p2;
+
+ return r1->base < r2->base ? -1 : (r1->base > r2->base);
+}
+
+static void __init sort_memblock_regions(void)
+{
+ sort(hyp_memory,
+ *hyp_memblock_nr_ptr,
+ sizeof(struct memblock_region),
+ cmp_hyp_memblock,
+ NULL);
+}
+
+static int __init register_memblock_regions(void)
+{
+ struct memblock_region *reg;
+
+ for_each_mem_region(reg) {
+ if (*hyp_memblock_nr_ptr >= HYP_MEMBLOCK_REGIONS)
+ return -ENOMEM;
+
+ hyp_memory[*hyp_memblock_nr_ptr] = *reg;
+ (*hyp_memblock_nr_ptr)++;
+ }
+ sort_memblock_regions();
+
+ return 0;
+}
+
+void __init kvm_hyp_reserve(void)
+{
+ u64 nr_pages, prev, hyp_mem_pages = 0;
+ int ret;
+
+ if (!is_hyp_mode_available() || is_kernel_in_hyp_mode())
+ return;
+
+ if (kvm_get_mode() != KVM_MODE_PROTECTED)
+ return;
+
+ ret = register_memblock_regions();
+ if (ret) {
+ *hyp_memblock_nr_ptr = 0;
+ kvm_err("Failed to register hyp memblocks: %d\n", ret);
+ return;
+ }
+
+ hyp_mem_pages += hyp_s1_pgtable_pages();
+ hyp_mem_pages += host_s2_mem_pgtable_pages();
+ hyp_mem_pages += host_s2_dev_pgtable_pages();
+
+ /*
+ * The hyp_vmemmap needs to be backed by pages, but these pages
+ * themselves need to be present in the vmemmap, so compute the number
+ * of pages needed by looking for a fixed point.
+ */
+ nr_pages = 0;
+ do {
+ prev = nr_pages;
+ nr_pages = hyp_mem_pages + prev;
+ nr_pages = DIV_ROUND_UP(nr_pages * sizeof(struct hyp_page), PAGE_SIZE);
+ nr_pages += __hyp_pgtable_max_pages(nr_pages);
+ } while (nr_pages != prev);
+ hyp_mem_pages += nr_pages;
+
+ /*
+ * Try to allocate a PMD-aligned region to reduce TLB pressure once
+ * this is unmapped from the host stage-2, and fallback to PAGE_SIZE.
+ */
+ hyp_mem_size = hyp_mem_pages << PAGE_SHIFT;
+ hyp_mem_base = memblock_find_in_range(0, memblock_end_of_DRAM(),
+ ALIGN(hyp_mem_size, PMD_SIZE),
+ PMD_SIZE);
+ if (!hyp_mem_base)
+ hyp_mem_base = memblock_find_in_range(0, memblock_end_of_DRAM(),
+ hyp_mem_size, PAGE_SIZE);
+ else
+ hyp_mem_size = ALIGN(hyp_mem_size, PMD_SIZE);
+
+ if (!hyp_mem_base) {
+ kvm_err("Failed to reserve hyp memory\n");
+ return;
+ }
+ memblock_reserve(hyp_mem_base, hyp_mem_size);
+
+ kvm_info("Reserved %lld MiB at 0x%llx\n", hyp_mem_size >> 20,
+ hyp_mem_base);
+}
diff --git a/arch/arm64/kvm/hyp/smccc_wa.S b/arch/arm64/kvm/hyp/smccc_wa.S
deleted file mode 100644
index b0441db..0000000
--- a/arch/arm64/kvm/hyp/smccc_wa.S
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2015-2018 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- */
-
-#include <linux/arm-smccc.h>
-#include <linux/linkage.h>
-
-#include <asm/kvm_asm.h>
-#include <asm/kvm_mmu.h>
-
- /*
- * This is not executed directly and is instead copied into the vectors
- * by install_bp_hardening_cb().
- */
- .data
- .pushsection .rodata
- .global __smccc_workaround_1_smc
-SYM_DATA_START(__smccc_workaround_1_smc)
- esb
- sub sp, sp, #(8 * 4)
- stp x2, x3, [sp, #(8 * 0)]
- stp x0, x1, [sp, #(8 * 2)]
- mov w0, #ARM_SMCCC_ARCH_WORKAROUND_1
- smc #0
- ldp x2, x3, [sp, #(8 * 0)]
- ldp x0, x1, [sp, #(8 * 2)]
- add sp, sp, #(8 * 4)
-1: .org __smccc_workaround_1_smc + __SMCCC_WORKAROUND_1_SMC_SZ
- .org 1b
-SYM_DATA_END(__smccc_workaround_1_smc)
diff --git a/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c b/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
index bd1bab5..87a5437 100644
--- a/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
+++ b/arch/arm64/kvm/hyp/vgic-v2-cpuif-proxy.c
@@ -4,6 +4,8 @@
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
+#include <hyp/adjust_pc.h>
+
#include <linux/compiler.h>
#include <linux/irqchip/arm-gic.h>
#include <linux/kvm_host.h>
@@ -62,7 +64,7 @@ int __vgic_v2_perform_cpuif_access(struct kvm_vcpu *vcpu)
}
rd = kvm_vcpu_dabt_get_rd(vcpu);
- addr = hyp_symbol_addr(kvm_vgic_global_state)->vcpu_hyp_va;
+ addr = kvm_vgic_global_state.vcpu_hyp_va;
addr += fault_ipa - vgic->vgic_cpu_base;
if (kvm_vcpu_dabt_iswrite(vcpu)) {
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index 452f4ca..39f8f7f 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -4,6 +4,8 @@
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
+#include <hyp/adjust_pc.h>
+
#include <linux/compiler.h>
#include <linux/irqchip/arm-gic-v3.h>
#include <linux/kvm_host.h>
@@ -403,9 +405,54 @@ void __vgic_v3_init_lrs(void)
__gic_v3_set_lr(0, i);
}
-u64 __vgic_v3_get_ich_vtr_el2(void)
+/*
+ * Return the GIC CPU configuration:
+ * - [31:0] ICH_VTR_EL2
+ * - [62:32] RES0
+ * - [63] MMIO (GICv2) capable
+ */
+u64 __vgic_v3_get_gic_config(void)
{
- return read_gicreg(ICH_VTR_EL2);
+ u64 val, sre = read_gicreg(ICC_SRE_EL1);
+ unsigned long flags = 0;
+
+ /*
+ * To check whether we have a MMIO-based (GICv2 compatible)
+ * CPU interface, we need to disable the system register
+ * view. To do that safely, we have to prevent any interrupt
+ * from firing (which would be deadly).
+ *
+ * Note that this only makes sense on VHE, as interrupts are
+ * already masked for nVHE as part of the exception entry to
+ * EL2.
+ */
+ if (has_vhe())
+ flags = local_daif_save();
+
+ /*
+ * Table 11-2 "Permitted ICC_SRE_ELx.SRE settings" indicates
+ * that to be able to set ICC_SRE_EL1.SRE to 0, all the
+ * interrupt overrides must be set. You've got to love this.
+ */
+ sysreg_clear_set(hcr_el2, 0, HCR_AMO | HCR_FMO | HCR_IMO);
+ isb();
+ write_gicreg(0, ICC_SRE_EL1);
+ isb();
+
+ val = read_gicreg(ICC_SRE_EL1);
+
+ write_gicreg(sre, ICC_SRE_EL1);
+ isb();
+ sysreg_clear_set(hcr_el2, HCR_AMO | HCR_FMO | HCR_IMO, 0);
+ isb();
+
+ if (has_vhe())
+ local_daif_restore(flags);
+
+ val = (val & ICC_SRE_EL1_SRE) ? 0 : (1ULL << 63);
+ val |= read_gicreg(ICH_VTR_EL2);
+
+ return val;
}
u64 __vgic_v3_read_vmcr(void)
diff --git a/arch/arm64/kvm/hyp/vhe/Makefile b/arch/arm64/kvm/hyp/vhe/Makefile
index 461e97c..96bec0e 100644
--- a/arch/arm64/kvm/hyp/vhe/Makefile
+++ b/arch/arm64/kvm/hyp/vhe/Makefile
@@ -8,4 +8,4 @@
obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o
obj-y += ../vgic-v3-sr.o ../aarch32.o ../vgic-v2-cpuif-proxy.o ../entry.o \
- ../fpsimd.o ../hyp-entry.o
+ ../fpsimd.o ../hyp-entry.o ../exception.o
diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c
index 62546e2..af8e940 100644
--- a/arch/arm64/kvm/hyp/vhe/switch.c
+++ b/arch/arm64/kvm/hyp/vhe/switch.c
@@ -4,6 +4,7 @@
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
+#include <hyp/adjust_pc.h>
#include <hyp/switch.h>
#include <linux/arm-smccc.h>
@@ -133,6 +134,8 @@ static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu)
__load_guest_stage2(vcpu->arch.hw_mmu);
__activate_traps(vcpu);
+ __adjust_pc(vcpu);
+
sysreg_restore_guest_state_vhe(guest_ctxt);
__debug_switch_to_guest(vcpu);
diff --git a/arch/arm64/kvm/hypercalls.c b/arch/arm64/kvm/hypercalls.c
index 25ea4ec..ead21b9 100644
--- a/arch/arm64/kvm/hypercalls.c
+++ b/arch/arm64/kvm/hypercalls.c
@@ -71,6 +71,12 @@ int kvm_hvc_call_handler(struct kvm_vcpu *vcpu)
if (gpa != GPA_INVALID)
val = gpa;
break;
+ case ARM_SMCCC_TRNG_VERSION:
+ case ARM_SMCCC_TRNG_FEATURES:
+ case ARM_SMCCC_TRNG_GET_UUID:
+ case ARM_SMCCC_TRNG_RND32:
+ case ARM_SMCCC_TRNG_RND64:
+ return kvm_trng_call(vcpu);
default:
return kvm_psci_call(vcpu);
}
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index 34a96ab..b47df73 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -14,119 +14,15 @@
#include <asm/kvm_emulate.h>
#include <asm/esr.h>
-#define CURRENT_EL_SP_EL0_VECTOR 0x0
-#define CURRENT_EL_SP_ELx_VECTOR 0x200
-#define LOWER_EL_AArch64_VECTOR 0x400
-#define LOWER_EL_AArch32_VECTOR 0x600
-
-enum exception_type {
- except_type_sync = 0,
- except_type_irq = 0x80,
- except_type_fiq = 0x100,
- except_type_serror = 0x180,
-};
-
-/*
- * This performs the exception entry at a given EL (@target_mode), stashing PC
- * and PSTATE into ELR and SPSR respectively, and compute the new PC/PSTATE.
- * The EL passed to this function *must* be a non-secure, privileged mode with
- * bit 0 being set (PSTATE.SP == 1).
- *
- * When an exception is taken, most PSTATE fields are left unchanged in the
- * handler. However, some are explicitly overridden (e.g. M[4:0]). Luckily all
- * of the inherited bits have the same position in the AArch64/AArch32 SPSR_ELx
- * layouts, so we don't need to shuffle these for exceptions from AArch32 EL0.
- *
- * For the SPSR_ELx layout for AArch64, see ARM DDI 0487E.a page C5-429.
- * For the SPSR_ELx layout for AArch32, see ARM DDI 0487E.a page C5-426.
- *
- * Here we manipulate the fields in order of the AArch64 SPSR_ELx layout, from
- * MSB to LSB.
- */
-static void enter_exception64(struct kvm_vcpu *vcpu, unsigned long target_mode,
- enum exception_type type)
-{
- unsigned long sctlr, vbar, old, new, mode;
- u64 exc_offset;
-
- mode = *vcpu_cpsr(vcpu) & (PSR_MODE_MASK | PSR_MODE32_BIT);
-
- if (mode == target_mode)
- exc_offset = CURRENT_EL_SP_ELx_VECTOR;
- else if ((mode | PSR_MODE_THREAD_BIT) == target_mode)
- exc_offset = CURRENT_EL_SP_EL0_VECTOR;
- else if (!(mode & PSR_MODE32_BIT))
- exc_offset = LOWER_EL_AArch64_VECTOR;
- else
- exc_offset = LOWER_EL_AArch32_VECTOR;
-
- switch (target_mode) {
- case PSR_MODE_EL1h:
- vbar = vcpu_read_sys_reg(vcpu, VBAR_EL1);
- sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1);
- vcpu_write_sys_reg(vcpu, *vcpu_pc(vcpu), ELR_EL1);
- break;
- default:
- /* Don't do that */
- BUG();
- }
-
- *vcpu_pc(vcpu) = vbar + exc_offset + type;
-
- old = *vcpu_cpsr(vcpu);
- new = 0;
-
- new |= (old & PSR_N_BIT);
- new |= (old & PSR_Z_BIT);
- new |= (old & PSR_C_BIT);
- new |= (old & PSR_V_BIT);
-
- // TODO: TCO (if/when ARMv8.5-MemTag is exposed to guests)
-
- new |= (old & PSR_DIT_BIT);
-
- // PSTATE.UAO is set to zero upon any exception to AArch64
- // See ARM DDI 0487E.a, page D5-2579.
-
- // PSTATE.PAN is unchanged unless SCTLR_ELx.SPAN == 0b0
- // SCTLR_ELx.SPAN is RES1 when ARMv8.1-PAN is not implemented
- // See ARM DDI 0487E.a, page D5-2578.
- new |= (old & PSR_PAN_BIT);
- if (!(sctlr & SCTLR_EL1_SPAN))
- new |= PSR_PAN_BIT;
-
- // PSTATE.SS is set to zero upon any exception to AArch64
- // See ARM DDI 0487E.a, page D2-2452.
-
- // PSTATE.IL is set to zero upon any exception to AArch64
- // See ARM DDI 0487E.a, page D1-2306.
-
- // PSTATE.SSBS is set to SCTLR_ELx.DSSBS upon any exception to AArch64
- // See ARM DDI 0487E.a, page D13-3258
- if (sctlr & SCTLR_ELx_DSSBS)
- new |= PSR_SSBS_BIT;
-
- // PSTATE.BTYPE is set to zero upon any exception to AArch64
- // See ARM DDI 0487E.a, pages D1-2293 to D1-2294.
-
- new |= PSR_D_BIT;
- new |= PSR_A_BIT;
- new |= PSR_I_BIT;
- new |= PSR_F_BIT;
-
- new |= target_mode;
-
- *vcpu_cpsr(vcpu) = new;
- vcpu_write_spsr(vcpu, old);
-}
-
static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr)
{
unsigned long cpsr = *vcpu_cpsr(vcpu);
bool is_aarch32 = vcpu_mode_is_32bit(vcpu);
u32 esr = 0;
- enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
+ vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA64_EL1 |
+ KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+ KVM_ARM64_PENDING_EXCEPTION);
vcpu_write_sys_reg(vcpu, addr, FAR_EL1);
@@ -156,7 +52,9 @@ static void inject_undef64(struct kvm_vcpu *vcpu)
{
u32 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT);
- enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
+ vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA64_EL1 |
+ KVM_ARM64_EXCEPT_AA64_ELx_SYNC |
+ KVM_ARM64_PENDING_EXCEPTION);
/*
* Build an unknown exception, depending on the instruction
@@ -168,6 +66,53 @@ static void inject_undef64(struct kvm_vcpu *vcpu)
vcpu_write_sys_reg(vcpu, esr, ESR_EL1);
}
+#define DFSR_FSC_EXTABT_LPAE 0x10
+#define DFSR_FSC_EXTABT_nLPAE 0x08
+#define DFSR_LPAE BIT(9)
+#define TTBCR_EAE BIT(31)
+
+static void inject_undef32(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA32_UND |
+ KVM_ARM64_PENDING_EXCEPTION);
+}
+
+/*
+ * Modelled after TakeDataAbortException() and TakePrefetchAbortException
+ * pseudocode.
+ */
+static void inject_abt32(struct kvm_vcpu *vcpu, bool is_pabt, u32 addr)
+{
+ u64 far;
+ u32 fsr;
+
+ /* Give the guest an IMPLEMENTATION DEFINED exception */
+ if (vcpu_read_sys_reg(vcpu, TCR_EL1) & TTBCR_EAE) {
+ fsr = DFSR_LPAE | DFSR_FSC_EXTABT_LPAE;
+ } else {
+ /* no need to shuffle FS[4] into DFSR[10] as its 0 */
+ fsr = DFSR_FSC_EXTABT_nLPAE;
+ }
+
+ far = vcpu_read_sys_reg(vcpu, FAR_EL1);
+
+ if (is_pabt) {
+ vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA32_IABT |
+ KVM_ARM64_PENDING_EXCEPTION);
+ far &= GENMASK(31, 0);
+ far |= (u64)addr << 32;
+ vcpu_write_sys_reg(vcpu, fsr, IFSR32_EL2);
+ } else { /* !iabt */
+ vcpu->arch.flags |= (KVM_ARM64_EXCEPT_AA32_DABT |
+ KVM_ARM64_PENDING_EXCEPTION);
+ far &= GENMASK(63, 32);
+ far |= addr;
+ vcpu_write_sys_reg(vcpu, fsr, ESR_EL1);
+ }
+
+ vcpu_write_sys_reg(vcpu, far, FAR_EL1);
+}
+
/**
* kvm_inject_dabt - inject a data abort into the guest
* @vcpu: The VCPU to receive the data abort
@@ -179,7 +124,7 @@ static void inject_undef64(struct kvm_vcpu *vcpu)
void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr)
{
if (vcpu_el1_is_32bit(vcpu))
- kvm_inject_dabt32(vcpu, addr);
+ inject_abt32(vcpu, false, addr);
else
inject_abt64(vcpu, false, addr);
}
@@ -195,7 +140,7 @@ void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr)
void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr)
{
if (vcpu_el1_is_32bit(vcpu))
- kvm_inject_pabt32(vcpu, addr);
+ inject_abt32(vcpu, true, addr);
else
inject_abt64(vcpu, true, addr);
}
@@ -210,7 +155,7 @@ void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr)
void kvm_inject_undefined(struct kvm_vcpu *vcpu)
{
if (vcpu_el1_is_32bit(vcpu))
- kvm_inject_undef32(vcpu);
+ inject_undef32(vcpu);
else
inject_undef64(vcpu);
}
diff --git a/arch/arm64/kvm/mmio.c b/arch/arm64/kvm/mmio.c
index 6a2826f..3e2d8ba 100644
--- a/arch/arm64/kvm/mmio.c
+++ b/arch/arm64/kvm/mmio.c
@@ -115,7 +115,7 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu)
* The MMIO instruction is emulated and should not be re-executed
* in the guest.
*/
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ kvm_incr_pc(vcpu);
return 0;
}
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 2606845..0f16b70 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -88,6 +88,44 @@ static bool kvm_is_device_pfn(unsigned long pfn)
return !pfn_valid(pfn);
}
+static void *stage2_memcache_zalloc_page(void *arg)
+{
+ struct kvm_mmu_memory_cache *mc = arg;
+
+ /* Allocated with __GFP_ZERO, so no need to zero */
+ return kvm_mmu_memory_cache_alloc(mc);
+}
+
+static void *kvm_host_zalloc_pages_exact(size_t size)
+{
+ return alloc_pages_exact(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
+}
+
+static void kvm_host_get_page(void *addr)
+{
+ get_page(virt_to_page(addr));
+}
+
+static void kvm_host_put_page(void *addr)
+{
+ put_page(virt_to_page(addr));
+}
+
+static int kvm_host_page_count(void *addr)
+{
+ return page_count(virt_to_page(addr));
+}
+
+static phys_addr_t kvm_host_pa(void *addr)
+{
+ return __pa(addr);
+}
+
+static void *kvm_host_va(phys_addr_t phys)
+{
+ return __va(phys);
+}
+
/*
* Unmapping vs dcache management:
*
@@ -127,7 +165,7 @@ static bool kvm_is_device_pfn(unsigned long pfn)
static void __unmap_stage2_range(struct kvm_s2_mmu *mmu, phys_addr_t start, u64 size,
bool may_block)
{
- struct kvm *kvm = mmu->kvm;
+ struct kvm *kvm = kvm_s2_mmu_to_kvm(mmu);
phys_addr_t end = start + size;
assert_spin_locked(&kvm->mmu_lock);
@@ -183,15 +221,39 @@ void free_hyp_pgds(void)
if (hyp_pgtable) {
kvm_pgtable_hyp_destroy(hyp_pgtable);
kfree(hyp_pgtable);
+ hyp_pgtable = NULL;
}
mutex_unlock(&kvm_hyp_pgd_mutex);
}
+static bool kvm_host_owns_hyp_mappings(void)
+{
+ if (static_branch_likely(&kvm_protected_mode_initialized))
+ return false;
+
+ /*
+ * This can happen at boot time when __create_hyp_mappings() is called
+ * after the hyp protection has been enabled, but the static key has
+ * not been flipped yet.
+ */
+ if (!hyp_pgtable && is_protected_kvm_enabled())
+ return false;
+
+ WARN_ON(!hyp_pgtable);
+
+ return true;
+}
+
static int __create_hyp_mappings(unsigned long start, unsigned long size,
unsigned long phys, enum kvm_pgtable_prot prot)
{
int err;
+ if (!kvm_host_owns_hyp_mappings()) {
+ return kvm_call_hyp_nvhe(__pkvm_create_mappings,
+ start, size, phys, prot);
+ }
+
mutex_lock(&kvm_hyp_pgd_mutex);
err = kvm_pgtable_hyp_map(hyp_pgtable, start, size, phys, prot);
mutex_unlock(&kvm_hyp_pgd_mutex);
@@ -253,6 +315,16 @@ static int __create_hyp_private_mapping(phys_addr_t phys_addr, size_t size,
unsigned long base;
int ret = 0;
+ if (!kvm_host_owns_hyp_mappings()) {
+ base = kvm_call_hyp_nvhe(__pkvm_create_private_mapping,
+ phys_addr, size, prot);
+ if (IS_ERR_OR_NULL((void *)base))
+ return PTR_ERR((void *)base);
+ *haddr = base;
+
+ return 0;
+ }
+
mutex_lock(&kvm_hyp_pgd_mutex);
/*
@@ -351,6 +423,17 @@ int create_hyp_exec_mappings(phys_addr_t phys_addr, size_t size,
return 0;
}
+static struct kvm_pgtable_mm_ops kvm_s2_mm_ops = {
+ .zalloc_page = stage2_memcache_zalloc_page,
+ .zalloc_pages_exact = kvm_host_zalloc_pages_exact,
+ .free_pages_exact = free_pages_exact,
+ .get_page = kvm_host_get_page,
+ .put_page = kvm_host_put_page,
+ .page_count = kvm_host_page_count,
+ .phys_to_virt = kvm_host_va,
+ .virt_to_phys = kvm_host_pa,
+};
+
/**
* kvm_init_stage2_mmu - Initialise a S2 MMU strucrure
* @kvm: The pointer to the KVM structure
@@ -374,7 +457,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu)
if (!pgt)
return -ENOMEM;
- err = kvm_pgtable_stage2_init(pgt, kvm);
+ err = kvm_pgtable_stage2_init(pgt, &kvm->arch, &kvm_s2_mm_ops);
if (err)
goto out_free_pgtable;
@@ -387,7 +470,7 @@ int kvm_init_stage2_mmu(struct kvm *kvm, struct kvm_s2_mmu *mmu)
for_each_possible_cpu(cpu)
*per_cpu_ptr(mmu->last_vcpu_ran, cpu) = -1;
- mmu->kvm = kvm;
+ mmu->arch = &kvm->arch;
mmu->pgt = pgt;
mmu->pgd_phys = __pa(pgt->pgd);
mmu->vmid.vmid_gen = 0;
@@ -469,7 +552,7 @@ void stage2_unmap_vm(struct kvm *kvm)
void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu)
{
- struct kvm *kvm = mmu->kvm;
+ struct kvm *kvm = kvm_s2_mmu_to_kvm(mmu);
struct kvm_pgtable *pgt = NULL;
spin_lock(&kvm->mmu_lock);
@@ -538,7 +621,7 @@ int kvm_phys_addr_ioremap(struct kvm *kvm, phys_addr_t guest_ipa,
*/
static void stage2_wp_range(struct kvm_s2_mmu *mmu, phys_addr_t addr, phys_addr_t end)
{
- struct kvm *kvm = mmu->kvm;
+ struct kvm *kvm = kvm_s2_mmu_to_kvm(mmu);
stage2_apply_range_resched(kvm, addr, end, kvm_pgtable_stage2_wrprotect);
}
@@ -879,11 +962,8 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
if (vma_pagesize == PAGE_SIZE && !force_pte)
vma_pagesize = transparent_hugepage_adjust(memslot, hva,
&pfn, &fault_ipa);
- if (writable) {
+ if (writable)
prot |= KVM_PGTABLE_PROT_W;
- kvm_set_pfn_dirty(pfn);
- mark_page_dirty(kvm, gfn);
- }
if (fault_status != FSC_PERM && !device)
clean_dcache_guest_page(pfn, vma_pagesize);
@@ -911,11 +991,17 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
memcache);
}
+ /* Mark the page dirty only if the fault is handled successfully */
+ if (writable && !ret) {
+ kvm_set_pfn_dirty(pfn);
+ mark_page_dirty(kvm, gfn);
+ }
+
out_unlock:
spin_unlock(&kvm->mmu_lock);
kvm_set_pfn_accessed(pfn);
kvm_release_pfn_clean(pfn);
- return ret;
+ return ret != -EAGAIN ? ret : 0;
}
/* Resolve the access fault by making the page young again. */
@@ -1023,7 +1109,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu)
* cautious, and skip the instruction.
*/
if (kvm_is_error_hva(hva) && kvm_vcpu_dabt_is_cm(vcpu)) {
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ kvm_incr_pc(vcpu);
ret = 1;
goto out_unlock;
}
@@ -1205,10 +1291,22 @@ static int kvm_map_idmap_text(void)
return err;
}
-int kvm_mmu_init(void)
+static void *kvm_hyp_zalloc_page(void *arg)
+{
+ return (void *)get_zeroed_page(GFP_KERNEL);
+}
+
+static struct kvm_pgtable_mm_ops kvm_hyp_mm_ops = {
+ .zalloc_page = kvm_hyp_zalloc_page,
+ .get_page = kvm_host_get_page,
+ .put_page = kvm_host_put_page,
+ .phys_to_virt = kvm_host_va,
+ .virt_to_phys = kvm_host_pa,
+};
+
+int kvm_mmu_init(u32 *hyp_va_bits)
{
int err;
- u32 hyp_va_bits;
hyp_idmap_start = __pa_symbol(__hyp_idmap_text_start);
hyp_idmap_start = ALIGN_DOWN(hyp_idmap_start, PAGE_SIZE);
@@ -1222,8 +1320,8 @@ int kvm_mmu_init(void)
*/
BUG_ON((hyp_idmap_start ^ (hyp_idmap_end - 1)) & PAGE_MASK);
- hyp_va_bits = 64 - ((idmap_t0sz & TCR_T0SZ_MASK) >> TCR_T0SZ_OFFSET);
- kvm_debug("Using %u-bit virtual addresses at EL2\n", hyp_va_bits);
+ *hyp_va_bits = 64 - ((idmap_t0sz & TCR_T0SZ_MASK) >> TCR_T0SZ_OFFSET);
+ kvm_debug("Using %u-bit virtual addresses at EL2\n", *hyp_va_bits);
kvm_debug("IDMAP page: %lx\n", hyp_idmap_start);
kvm_debug("HYP VA range: %lx:%lx\n",
kern_hyp_va(PAGE_OFFSET),
@@ -1248,7 +1346,7 @@ int kvm_mmu_init(void)
goto out;
}
- err = kvm_pgtable_hyp_init(hyp_pgtable, hyp_va_bits);
+ err = kvm_pgtable_hyp_init(hyp_pgtable, *hyp_va_bits, &kvm_hyp_mm_ops);
if (err)
goto out_free_pgtable;
diff --git a/arch/arm64/kvm/perf.c b/arch/arm64/kvm/perf.c
index d45b8b9..8f860ae 100644
--- a/arch/arm64/kvm/perf.c
+++ b/arch/arm64/kvm/perf.c
@@ -11,6 +11,8 @@
#include <asm/kvm_emulate.h>
+DEFINE_STATIC_KEY_FALSE(kvm_arm_pmu_available);
+
static int kvm_is_in_guest(void)
{
return kvm_get_running_vcpu() != NULL;
@@ -48,6 +50,15 @@ static struct perf_guest_info_callbacks kvm_guest_cbs = {
int kvm_perf_init(void)
{
+ /*
+ * Check if HW_PERF_EVENTS are supported by checking the number of
+ * hardware performance counters. This could ensure the presence of
+ * a physical PMU and CONFIG_PERF_EVENT is selected.
+ */
+ if (IS_ENABLED(CONFIG_ARM_PMU) && perf_num_counters() > 0
+ && !is_protected_kvm_enabled())
+ static_branch_enable(&kvm_arm_pmu_available);
+
return perf_register_guest_info_callbacks(&kvm_guest_cbs);
}
diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index 4b30260..90e244f 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -23,11 +23,11 @@ static void kvm_pmu_stop_counter(struct kvm_vcpu *vcpu, struct kvm_pmc *pmc);
static u32 kvm_pmu_event_mask(struct kvm *kvm)
{
switch (kvm->arch.pmuver) {
- case 1: /* ARMv8.0 */
+ case ID_AA64DFR0_PMUVER_8_0:
return GENMASK(9, 0);
- case 4: /* ARMv8.1 */
- case 5: /* ARMv8.4 */
- case 6: /* ARMv8.5 */
+ case ID_AA64DFR0_PMUVER_8_1:
+ case ID_AA64DFR0_PMUVER_8_4:
+ case ID_AA64DFR0_PMUVER_8_5:
return GENMASK(15, 0);
default: /* Shouldn't be here, just for sanity */
WARN_ONCE(1, "Unknown PMU version %d\n", kvm->arch.pmuver);
@@ -384,7 +384,7 @@ static void kvm_pmu_update_state(struct kvm_vcpu *vcpu)
struct kvm_pmu *pmu = &vcpu->arch.pmu;
bool overflow;
- if (!kvm_arm_pmu_v3_ready(vcpu))
+ if (!kvm_vcpu_has_pmu(vcpu))
return;
overflow = !!kvm_pmu_overflow_status(vcpu);
@@ -796,6 +796,12 @@ u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1)
base = 0;
} else {
val = read_sysreg(pmceid1_el0);
+ /*
+ * Don't advertise STALL_SLOT, as PMMIR_EL0 is handled
+ * as RAZ
+ */
+ if (vcpu->kvm->arch.pmuver >= ID_AA64DFR0_PMUVER_8_4)
+ val &= ~BIT_ULL(ARMV8_PMUV3_PERFCTR_STALL_SLOT - 32);
base = 32;
}
@@ -818,21 +824,14 @@ u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1)
return val & mask;
}
-bool kvm_arm_support_pmu_v3(void)
-{
- /*
- * Check if HW_PERF_EVENTS are supported by checking the number of
- * hardware performance counters. This could ensure the presence of
- * a physical PMU and CONFIG_PERF_EVENT is selected.
- */
- return (perf_num_counters() > 0);
-}
-
int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu)
{
- if (!vcpu->arch.pmu.created)
+ if (!kvm_vcpu_has_pmu(vcpu))
return 0;
+ if (!vcpu->arch.pmu.created)
+ return -EINVAL;
+
/*
* A valid interrupt configuration for the PMU is either to have a
* properly configured interrupt number and using an in-kernel
@@ -840,9 +839,6 @@ int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu)
*/
if (irqchip_in_kernel(vcpu->kvm)) {
int irq = vcpu->arch.pmu.irq_num;
- if (!kvm_arm_pmu_irq_initialized(vcpu))
- return -EINVAL;
-
/*
* If we are using an in-kernel vgic, at this point we know
* the vgic will be initialized, so we can check the PMU irq
@@ -855,9 +851,6 @@ int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu)
return -EINVAL;
}
- kvm_pmu_vcpu_reset(vcpu);
- vcpu->arch.pmu.ready = true;
-
return 0;
}
@@ -918,8 +911,7 @@ static bool pmu_irq_is_valid(struct kvm *kvm, int irq)
int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr)
{
- if (!kvm_arm_support_pmu_v3() ||
- !test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features))
+ if (!kvm_vcpu_has_pmu(vcpu))
return -ENODEV;
if (vcpu->arch.pmu.created)
@@ -1020,7 +1012,7 @@ int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr)
if (!irqchip_in_kernel(vcpu->kvm))
return -EINVAL;
- if (!test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features))
+ if (!kvm_vcpu_has_pmu(vcpu))
return -ENODEV;
if (!kvm_arm_pmu_irq_initialized(vcpu))
@@ -1040,8 +1032,7 @@ int kvm_arm_pmu_v3_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr)
case KVM_ARM_VCPU_PMU_V3_IRQ:
case KVM_ARM_VCPU_PMU_V3_INIT:
case KVM_ARM_VCPU_PMU_V3_FILTER:
- if (kvm_arm_support_pmu_v3() &&
- test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features))
+ if (kvm_vcpu_has_pmu(vcpu))
return 0;
}
diff --git a/arch/arm64/kvm/pmu.c b/arch/arm64/kvm/pmu.c
index faf32a4..03a6c1f 100644
--- a/arch/arm64/kvm/pmu.c
+++ b/arch/arm64/kvm/pmu.c
@@ -33,7 +33,7 @@ void kvm_set_pmu_events(u32 set, struct perf_event_attr *attr)
{
struct kvm_host_data *ctx = this_cpu_ptr_hyp_sym(kvm_host_data);
- if (!ctx || !kvm_pmu_switch_needed(attr))
+ if (!kvm_arm_support_pmu_v3() || !ctx || !kvm_pmu_switch_needed(attr))
return;
if (!attr->exclude_host)
@@ -49,7 +49,7 @@ void kvm_clr_pmu_events(u32 clr)
{
struct kvm_host_data *ctx = this_cpu_ptr_hyp_sym(kvm_host_data);
- if (!ctx)
+ if (!kvm_arm_support_pmu_v3() || !ctx)
return;
ctx->pmu_events.events_host &= ~clr;
@@ -172,7 +172,7 @@ void kvm_vcpu_pmu_restore_guest(struct kvm_vcpu *vcpu)
struct kvm_host_data *host;
u32 events_guest, events_host;
- if (!has_vhe())
+ if (!kvm_arm_support_pmu_v3() || !has_vhe())
return;
preempt_disable();
@@ -193,7 +193,7 @@ void kvm_vcpu_pmu_restore_host(struct kvm_vcpu *vcpu)
struct kvm_host_data *host;
u32 events_guest, events_host;
- if (!has_vhe())
+ if (!kvm_arm_support_pmu_v3() || !has_vhe())
return;
host = this_cpu_ptr_hyp_sym(kvm_host_data);
diff --git a/arch/arm64/kvm/pvtime.c b/arch/arm64/kvm/pvtime.c
index 920ac43..78a09f7 100644
--- a/arch/arm64/kvm/pvtime.c
+++ b/arch/arm64/kvm/pvtime.c
@@ -53,7 +53,6 @@ gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu)
struct pvclock_vcpu_stolen_time init_values = {};
struct kvm *kvm = vcpu->kvm;
u64 base = vcpu->arch.steal.base;
- int idx;
if (base == GPA_INVALID)
return base;
@@ -63,10 +62,7 @@ gpa_t kvm_init_stolen_time(struct kvm_vcpu *vcpu)
* the feature enabled.
*/
vcpu->arch.steal.last_steal = current->sched_info.run_delay;
-
- idx = srcu_read_lock(&kvm->srcu);
- kvm_write_guest(kvm, base, &init_values, sizeof(init_values));
- srcu_read_unlock(&kvm->srcu, idx);
+ kvm_write_guest_lock(kvm, base, &init_values, sizeof(init_values));
return base;
}
diff --git a/arch/arm64/kvm/regmap.c b/arch/arm64/kvm/regmap.c
deleted file mode 100644
index accc1d5..0000000
--- a/arch/arm64/kvm/regmap.c
+++ /dev/null
@@ -1,224 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2012,2013 - ARM Ltd
- * Author: Marc Zyngier <marc.zyngier@arm.com>
- *
- * Derived from arch/arm/kvm/emulate.c:
- * Copyright (C) 2012 - Virtual Open Systems and Columbia University
- * Author: Christoffer Dall <c.dall@virtualopensystems.com>
- */
-
-#include <linux/mm.h>
-#include <linux/kvm_host.h>
-#include <asm/kvm_emulate.h>
-#include <asm/ptrace.h>
-
-#define VCPU_NR_MODES 6
-#define REG_OFFSET(_reg) \
- (offsetof(struct user_pt_regs, _reg) / sizeof(unsigned long))
-
-#define USR_REG_OFFSET(R) REG_OFFSET(compat_usr(R))
-
-static const unsigned long vcpu_reg_offsets[VCPU_NR_MODES][16] = {
- /* USR Registers */
- {
- USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
- USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
- USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
- USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
- USR_REG_OFFSET(12), USR_REG_OFFSET(13), USR_REG_OFFSET(14),
- REG_OFFSET(pc)
- },
-
- /* FIQ Registers */
- {
- USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
- USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
- USR_REG_OFFSET(6), USR_REG_OFFSET(7),
- REG_OFFSET(compat_r8_fiq), /* r8 */
- REG_OFFSET(compat_r9_fiq), /* r9 */
- REG_OFFSET(compat_r10_fiq), /* r10 */
- REG_OFFSET(compat_r11_fiq), /* r11 */
- REG_OFFSET(compat_r12_fiq), /* r12 */
- REG_OFFSET(compat_sp_fiq), /* r13 */
- REG_OFFSET(compat_lr_fiq), /* r14 */
- REG_OFFSET(pc)
- },
-
- /* IRQ Registers */
- {
- USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
- USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
- USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
- USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
- USR_REG_OFFSET(12),
- REG_OFFSET(compat_sp_irq), /* r13 */
- REG_OFFSET(compat_lr_irq), /* r14 */
- REG_OFFSET(pc)
- },
-
- /* SVC Registers */
- {
- USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
- USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
- USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
- USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
- USR_REG_OFFSET(12),
- REG_OFFSET(compat_sp_svc), /* r13 */
- REG_OFFSET(compat_lr_svc), /* r14 */
- REG_OFFSET(pc)
- },
-
- /* ABT Registers */
- {
- USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
- USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
- USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
- USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
- USR_REG_OFFSET(12),
- REG_OFFSET(compat_sp_abt), /* r13 */
- REG_OFFSET(compat_lr_abt), /* r14 */
- REG_OFFSET(pc)
- },
-
- /* UND Registers */
- {
- USR_REG_OFFSET(0), USR_REG_OFFSET(1), USR_REG_OFFSET(2),
- USR_REG_OFFSET(3), USR_REG_OFFSET(4), USR_REG_OFFSET(5),
- USR_REG_OFFSET(6), USR_REG_OFFSET(7), USR_REG_OFFSET(8),
- USR_REG_OFFSET(9), USR_REG_OFFSET(10), USR_REG_OFFSET(11),
- USR_REG_OFFSET(12),
- REG_OFFSET(compat_sp_und), /* r13 */
- REG_OFFSET(compat_lr_und), /* r14 */
- REG_OFFSET(pc)
- },
-};
-
-/*
- * Return a pointer to the register number valid in the current mode of
- * the virtual CPU.
- */
-unsigned long *vcpu_reg32(const struct kvm_vcpu *vcpu, u8 reg_num)
-{
- unsigned long *reg_array = (unsigned long *)&vcpu->arch.ctxt.regs;
- unsigned long mode = *vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK;
-
- switch (mode) {
- case PSR_AA32_MODE_USR ... PSR_AA32_MODE_SVC:
- mode &= ~PSR_MODE32_BIT; /* 0 ... 3 */
- break;
-
- case PSR_AA32_MODE_ABT:
- mode = 4;
- break;
-
- case PSR_AA32_MODE_UND:
- mode = 5;
- break;
-
- case PSR_AA32_MODE_SYS:
- mode = 0; /* SYS maps to USR */
- break;
-
- default:
- BUG();
- }
-
- return reg_array + vcpu_reg_offsets[mode][reg_num];
-}
-
-/*
- * Return the SPSR for the current mode of the virtual CPU.
- */
-static int vcpu_spsr32_mode(const struct kvm_vcpu *vcpu)
-{
- unsigned long mode = *vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK;
- switch (mode) {
- case PSR_AA32_MODE_SVC: return KVM_SPSR_SVC;
- case PSR_AA32_MODE_ABT: return KVM_SPSR_ABT;
- case PSR_AA32_MODE_UND: return KVM_SPSR_UND;
- case PSR_AA32_MODE_IRQ: return KVM_SPSR_IRQ;
- case PSR_AA32_MODE_FIQ: return KVM_SPSR_FIQ;
- default: BUG();
- }
-}
-
-unsigned long vcpu_read_spsr32(const struct kvm_vcpu *vcpu)
-{
- int spsr_idx = vcpu_spsr32_mode(vcpu);
-
- if (!vcpu->arch.sysregs_loaded_on_cpu) {
- switch (spsr_idx) {
- case KVM_SPSR_SVC:
- return __vcpu_sys_reg(vcpu, SPSR_EL1);
- case KVM_SPSR_ABT:
- return vcpu->arch.ctxt.spsr_abt;
- case KVM_SPSR_UND:
- return vcpu->arch.ctxt.spsr_und;
- case KVM_SPSR_IRQ:
- return vcpu->arch.ctxt.spsr_irq;
- case KVM_SPSR_FIQ:
- return vcpu->arch.ctxt.spsr_fiq;
- }
- }
-
- switch (spsr_idx) {
- case KVM_SPSR_SVC:
- return read_sysreg_el1(SYS_SPSR);
- case KVM_SPSR_ABT:
- return read_sysreg(spsr_abt);
- case KVM_SPSR_UND:
- return read_sysreg(spsr_und);
- case KVM_SPSR_IRQ:
- return read_sysreg(spsr_irq);
- case KVM_SPSR_FIQ:
- return read_sysreg(spsr_fiq);
- default:
- BUG();
- }
-}
-
-void vcpu_write_spsr32(struct kvm_vcpu *vcpu, unsigned long v)
-{
- int spsr_idx = vcpu_spsr32_mode(vcpu);
-
- if (!vcpu->arch.sysregs_loaded_on_cpu) {
- switch (spsr_idx) {
- case KVM_SPSR_SVC:
- __vcpu_sys_reg(vcpu, SPSR_EL1) = v;
- break;
- case KVM_SPSR_ABT:
- vcpu->arch.ctxt.spsr_abt = v;
- break;
- case KVM_SPSR_UND:
- vcpu->arch.ctxt.spsr_und = v;
- break;
- case KVM_SPSR_IRQ:
- vcpu->arch.ctxt.spsr_irq = v;
- break;
- case KVM_SPSR_FIQ:
- vcpu->arch.ctxt.spsr_fiq = v;
- break;
- }
-
- return;
- }
-
- switch (spsr_idx) {
- case KVM_SPSR_SVC:
- write_sysreg_el1(v, SYS_SPSR);
- break;
- case KVM_SPSR_ABT:
- write_sysreg(v, spsr_abt);
- break;
- case KVM_SPSR_UND:
- write_sysreg(v, spsr_und);
- break;
- case KVM_SPSR_IRQ:
- write_sysreg(v, spsr_irq);
- break;
- case KVM_SPSR_FIQ:
- write_sysreg(v, spsr_fiq);
- break;
- }
-}
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 204c62d..a802f52 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -25,7 +25,6 @@
#include <asm/ptrace.h>
#include <asm/kvm_arm.h>
#include <asm/kvm_asm.h>
-#include <asm/kvm_coproc.h>
#include <asm/kvm_emulate.h>
#include <asm/kvm_mmu.h>
#include <asm/virt.h>
@@ -42,58 +41,6 @@ static u32 kvm_ipa_limit;
#define VCPU_RESET_PSTATE_SVC (PSR_AA32_MODE_SVC | PSR_AA32_A_BIT | \
PSR_AA32_I_BIT | PSR_AA32_F_BIT)
-static bool system_has_full_ptr_auth(void)
-{
- return system_supports_address_auth() && system_supports_generic_auth();
-}
-
-/**
- * kvm_arch_vm_ioctl_check_extension
- *
- * We currently assume that the number of HW registers is uniform
- * across all CPUs (see cpuinfo_sanity_check).
- */
-int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext)
-{
- int r;
-
- switch (ext) {
- case KVM_CAP_ARM_EL1_32BIT:
- r = cpus_have_const_cap(ARM64_HAS_32BIT_EL1);
- break;
- case KVM_CAP_GUEST_DEBUG_HW_BPS:
- r = get_num_brps();
- break;
- case KVM_CAP_GUEST_DEBUG_HW_WPS:
- r = get_num_wrps();
- break;
- case KVM_CAP_ARM_PMU_V3:
- r = kvm_arm_support_pmu_v3();
- break;
- case KVM_CAP_ARM_INJECT_SERROR_ESR:
- r = cpus_have_const_cap(ARM64_HAS_RAS_EXTN);
- break;
- case KVM_CAP_SET_GUEST_DEBUG:
- case KVM_CAP_VCPU_ATTRIBUTES:
- r = 1;
- break;
- case KVM_CAP_ARM_VM_IPA_SIZE:
- r = kvm_ipa_limit;
- break;
- case KVM_CAP_ARM_SVE:
- r = system_supports_sve();
- break;
- case KVM_CAP_ARM_PTRAUTH_ADDRESS:
- case KVM_CAP_ARM_PTRAUTH_GENERIC:
- r = system_has_full_ptr_auth();
- break;
- default:
- r = 0;
- }
-
- return r;
-}
-
unsigned int kvm_sve_max_vl;
int kvm_arm_init_sve(void)
@@ -127,10 +74,6 @@ static int kvm_vcpu_enable_sve(struct kvm_vcpu *vcpu)
if (!system_supports_sve())
return -EINVAL;
- /* Verify that KVM startup enforced this when SVE was detected: */
- if (WARN_ON(!has_vhe()))
- return -EINVAL;
-
vcpu->arch.sve_max_vl = kvm_sve_max_vl;
/*
@@ -312,6 +255,10 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
pstate = VCPU_RESET_PSTATE_EL1;
}
+ if (kvm_vcpu_has_pmu(vcpu) && !kvm_arm_support_pmu_v3()) {
+ ret = -EINVAL;
+ goto out;
+ }
break;
}
@@ -417,19 +364,10 @@ int kvm_set_ipa_limit(void)
return 0;
}
-/*
- * Configure the VTCR_EL2 for this VM. The VTCR value is common
- * across all the physical CPUs on the system. We use system wide
- * sanitised values to fill in different fields, except for Hardware
- * Management of Access Flags. HA Flag is set unconditionally on
- * all CPUs, as it is safe to run with or without the feature and
- * the bit is RES0 on CPUs that don't support it.
- */
int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
{
- u64 vtcr = VTCR_EL2_FLAGS, mmfr0;
- u32 parange, phys_shift;
- u8 lvls;
+ u64 mmfr0, mmfr1;
+ u32 phys_shift;
if (type & ~KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
return -EINVAL;
@@ -449,33 +387,8 @@ int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
}
mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
- parange = cpuid_feature_extract_unsigned_field(mmfr0,
- ID_AA64MMFR0_PARANGE_SHIFT);
- if (parange > ID_AA64MMFR0_PARANGE_MAX)
- parange = ID_AA64MMFR0_PARANGE_MAX;
- vtcr |= parange << VTCR_EL2_PS_SHIFT;
+ mmfr1 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
+ kvm->arch.vtcr = kvm_get_vtcr(mmfr0, mmfr1, phys_shift);
- vtcr |= VTCR_EL2_T0SZ(phys_shift);
- /*
- * Use a minimum 2 level page table to prevent splitting
- * host PMD huge pages at stage2.
- */
- lvls = stage2_pgtable_levels(phys_shift);
- if (lvls < 2)
- lvls = 2;
- vtcr |= VTCR_EL2_LVLS_TO_SL0(lvls);
-
- /*
- * Enable the Hardware Access Flag management, unconditionally
- * on all CPUs. The features is RES0 on CPUs without the support
- * and must be ignored by the CPUs.
- */
- vtcr |= VTCR_EL2_HA;
-
- /* Set the vmid bits */
- vtcr |= (kvm_get_vmid_bits() == 16) ?
- VTCR_EL2_VS_16BIT :
- VTCR_EL2_VS_8BIT;
- kvm->arch.vtcr = vtcr;
return 0;
}
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 568f11e..47b05731 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -9,6 +9,7 @@
* Christoffer Dall <c.dall@virtualopensystems.com>
*/
+#include <linux/bitfield.h>
#include <linux/bsearch.h>
#include <linux/kvm_host.h>
#include <linux/mm.h>
@@ -20,7 +21,6 @@
#include <asm/debug-monitors.h>
#include <asm/esr.h>
#include <asm/kvm_arm.h>
-#include <asm/kvm_coproc.h>
#include <asm/kvm_emulate.h>
#include <asm/kvm_hyp.h>
#include <asm/kvm_mmu.h>
@@ -44,6 +44,10 @@
* 64bit interface.
*/
+#define reg_to_encoding(x) \
+ sys_reg((u32)(x)->Op0, (u32)(x)->Op1, \
+ (u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2)
+
static bool read_from_write_only(struct kvm_vcpu *vcpu,
struct sys_reg_params *params,
const struct sys_reg_desc *r)
@@ -64,87 +68,6 @@ static bool write_to_read_only(struct kvm_vcpu *vcpu,
return false;
}
-static bool __vcpu_read_sys_reg_from_cpu(int reg, u64 *val)
-{
- /*
- * System registers listed in the switch are not saved on every
- * exit from the guest but are only saved on vcpu_put.
- *
- * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
- * should never be listed below, because the guest cannot modify its
- * own MPIDR_EL1 and MPIDR_EL1 is accessed for VCPU A from VCPU B's
- * thread when emulating cross-VCPU communication.
- */
- switch (reg) {
- case CSSELR_EL1: *val = read_sysreg_s(SYS_CSSELR_EL1); break;
- case SCTLR_EL1: *val = read_sysreg_s(SYS_SCTLR_EL12); break;
- case CPACR_EL1: *val = read_sysreg_s(SYS_CPACR_EL12); break;
- case TTBR0_EL1: *val = read_sysreg_s(SYS_TTBR0_EL12); break;
- case TTBR1_EL1: *val = read_sysreg_s(SYS_TTBR1_EL12); break;
- case TCR_EL1: *val = read_sysreg_s(SYS_TCR_EL12); break;
- case ESR_EL1: *val = read_sysreg_s(SYS_ESR_EL12); break;
- case AFSR0_EL1: *val = read_sysreg_s(SYS_AFSR0_EL12); break;
- case AFSR1_EL1: *val = read_sysreg_s(SYS_AFSR1_EL12); break;
- case FAR_EL1: *val = read_sysreg_s(SYS_FAR_EL12); break;
- case MAIR_EL1: *val = read_sysreg_s(SYS_MAIR_EL12); break;
- case VBAR_EL1: *val = read_sysreg_s(SYS_VBAR_EL12); break;
- case CONTEXTIDR_EL1: *val = read_sysreg_s(SYS_CONTEXTIDR_EL12);break;
- case TPIDR_EL0: *val = read_sysreg_s(SYS_TPIDR_EL0); break;
- case TPIDRRO_EL0: *val = read_sysreg_s(SYS_TPIDRRO_EL0); break;
- case TPIDR_EL1: *val = read_sysreg_s(SYS_TPIDR_EL1); break;
- case AMAIR_EL1: *val = read_sysreg_s(SYS_AMAIR_EL12); break;
- case CNTKCTL_EL1: *val = read_sysreg_s(SYS_CNTKCTL_EL12); break;
- case ELR_EL1: *val = read_sysreg_s(SYS_ELR_EL12); break;
- case PAR_EL1: *val = read_sysreg_par(); break;
- case DACR32_EL2: *val = read_sysreg_s(SYS_DACR32_EL2); break;
- case IFSR32_EL2: *val = read_sysreg_s(SYS_IFSR32_EL2); break;
- case DBGVCR32_EL2: *val = read_sysreg_s(SYS_DBGVCR32_EL2); break;
- default: return false;
- }
-
- return true;
-}
-
-static bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
-{
- /*
- * System registers listed in the switch are not restored on every
- * entry to the guest but are only restored on vcpu_load.
- *
- * Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
- * should never be listed below, because the MPIDR should only be set
- * once, before running the VCPU, and never changed later.
- */
- switch (reg) {
- case CSSELR_EL1: write_sysreg_s(val, SYS_CSSELR_EL1); break;
- case SCTLR_EL1: write_sysreg_s(val, SYS_SCTLR_EL12); break;
- case CPACR_EL1: write_sysreg_s(val, SYS_CPACR_EL12); break;
- case TTBR0_EL1: write_sysreg_s(val, SYS_TTBR0_EL12); break;
- case TTBR1_EL1: write_sysreg_s(val, SYS_TTBR1_EL12); break;
- case TCR_EL1: write_sysreg_s(val, SYS_TCR_EL12); break;
- case ESR_EL1: write_sysreg_s(val, SYS_ESR_EL12); break;
- case AFSR0_EL1: write_sysreg_s(val, SYS_AFSR0_EL12); break;
- case AFSR1_EL1: write_sysreg_s(val, SYS_AFSR1_EL12); break;
- case FAR_EL1: write_sysreg_s(val, SYS_FAR_EL12); break;
- case MAIR_EL1: write_sysreg_s(val, SYS_MAIR_EL12); break;
- case VBAR_EL1: write_sysreg_s(val, SYS_VBAR_EL12); break;
- case CONTEXTIDR_EL1: write_sysreg_s(val, SYS_CONTEXTIDR_EL12);break;
- case TPIDR_EL0: write_sysreg_s(val, SYS_TPIDR_EL0); break;
- case TPIDRRO_EL0: write_sysreg_s(val, SYS_TPIDRRO_EL0); break;
- case TPIDR_EL1: write_sysreg_s(val, SYS_TPIDR_EL1); break;
- case AMAIR_EL1: write_sysreg_s(val, SYS_AMAIR_EL12); break;
- case CNTKCTL_EL1: write_sysreg_s(val, SYS_CNTKCTL_EL12); break;
- case ELR_EL1: write_sysreg_s(val, SYS_ELR_EL12); break;
- case PAR_EL1: write_sysreg_s(val, SYS_PAR_EL1); break;
- case DACR32_EL2: write_sysreg_s(val, SYS_DACR32_EL2); break;
- case IFSR32_EL2: write_sysreg_s(val, SYS_IFSR32_EL2); break;
- case DBGVCR32_EL2: write_sysreg_s(val, SYS_DBGVCR32_EL2); break;
- default: return false;
- }
-
- return true;
-}
-
u64 vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg)
{
u64 val = 0x8badf00d8badf00d;
@@ -169,7 +92,7 @@ void vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg)
static u32 cache_levels;
/* CSSELR values; used to index KVM_REG_ARM_DEMUX_ID_CCSIDR */
-#define CSSELR_MAX 12
+#define CSSELR_MAX 14
/* Which cache CCSIDR represents depends on CSSELR value. */
static u32 get_ccsidr(u32 csselr)
@@ -209,6 +132,24 @@ static bool access_dcsw(struct kvm_vcpu *vcpu,
return true;
}
+static void get_access_mask(const struct sys_reg_desc *r, u64 *mask, u64 *shift)
+{
+ switch (r->aarch32_map) {
+ case AA32_LO:
+ *mask = GENMASK_ULL(31, 0);
+ *shift = 0;
+ break;
+ case AA32_HI:
+ *mask = GENMASK_ULL(63, 32);
+ *shift = 32;
+ break;
+ default:
+ *mask = GENMASK_ULL(63, 0);
+ *shift = 0;
+ break;
+ }
+}
+
/*
* Generic accessor for VM registers. Only called as long as HCR_TVM
* is set. If the guest enables the MMU, we stop trapping the VM
@@ -219,26 +160,21 @@ static bool access_vm_reg(struct kvm_vcpu *vcpu,
const struct sys_reg_desc *r)
{
bool was_enabled = vcpu_has_cache_enabled(vcpu);
- u64 val;
- int reg = r->reg;
+ u64 val, mask, shift;
BUG_ON(!p->is_write);
- /* See the 32bit mapping in kvm_host.h */
- if (p->is_aarch32)
- reg = r->reg / 2;
+ get_access_mask(r, &mask, &shift);
- if (!p->is_aarch32 || !p->is_32bit) {
- val = p->regval;
+ if (~mask) {
+ val = vcpu_read_sys_reg(vcpu, r->reg);
+ val &= ~mask;
} else {
- val = vcpu_read_sys_reg(vcpu, reg);
- if (r->reg % 2)
- val = (p->regval << 32) | (u64)lower_32_bits(val);
- else
- val = ((u64)upper_32_bits(val) << 32) |
- lower_32_bits(p->regval);
+ val = 0;
}
- vcpu_write_sys_reg(vcpu, val, reg);
+
+ val |= (p->regval & (mask >> shift)) << shift;
+ vcpu_write_sys_reg(vcpu, val, r->reg);
kvm_toggle_cache(vcpu, was_enabled);
return true;
@@ -248,17 +184,13 @@ static bool access_actlr(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
+ u64 mask, shift;
+
if (p->is_write)
return ignore_write(vcpu, p);
- p->regval = vcpu_read_sys_reg(vcpu, ACTLR_EL1);
-
- if (p->is_aarch32) {
- if (r->Op2 & 2)
- p->regval = upper_32_bits(p->regval);
- else
- p->regval = lower_32_bits(p->regval);
- }
+ get_access_mask(r, &mask, &shift);
+ p->regval = (vcpu_read_sys_reg(vcpu, r->reg) & mask) >> shift;
return true;
}
@@ -285,7 +217,7 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu,
* equivalent to ICC_SGI0R_EL1, as there is no "alternative" secure
* group.
*/
- if (p->is_aarch32) {
+ if (p->Op0 == 0) { /* AArch32 */
switch (p->Op1) {
default: /* Keep GCC quiet */
case 0: /* ICC_SGI1R */
@@ -296,7 +228,7 @@ static bool access_gic_sgi(struct kvm_vcpu *vcpu,
g1 = false;
break;
}
- } else {
+ } else { /* AArch64 */
switch (p->Op2) {
default: /* Keep GCC quiet */
case 5: /* ICC_SGI1R_EL1 */
@@ -346,8 +278,7 @@ static bool trap_loregion(struct kvm_vcpu *vcpu,
const struct sys_reg_desc *r)
{
u64 val = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
- u32 sr = sys_reg((u32)r->Op0, (u32)r->Op1,
- (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
+ u32 sr = reg_to_encoding(r);
if (!(val & (0xfUL << ID_AA64MMFR1_LOR_SHIFT))) {
kvm_inject_undefined(vcpu);
@@ -438,26 +369,30 @@ static bool trap_debug_regs(struct kvm_vcpu *vcpu,
*/
static void reg_to_dbg(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
+ const struct sys_reg_desc *rd,
u64 *dbg_reg)
{
- u64 val = p->regval;
+ u64 mask, shift, val;
- if (p->is_32bit) {
- val &= 0xffffffffUL;
- val |= ((*dbg_reg >> 32) << 32);
- }
+ get_access_mask(rd, &mask, &shift);
+ val = *dbg_reg;
+ val &= ~mask;
+ val |= (p->regval & (mask >> shift)) << shift;
*dbg_reg = val;
+
vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
}
static void dbg_to_reg(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
+ const struct sys_reg_desc *rd,
u64 *dbg_reg)
{
- p->regval = *dbg_reg;
- if (p->is_32bit)
- p->regval &= 0xffffffffUL;
+ u64 mask, shift;
+
+ get_access_mask(rd, &mask, &shift);
+ p->regval = (*dbg_reg & mask) >> shift;
}
static bool trap_bvr(struct kvm_vcpu *vcpu,
@@ -467,9 +402,9 @@ static bool trap_bvr(struct kvm_vcpu *vcpu,
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
if (p->is_write)
- reg_to_dbg(vcpu, p, dbg_reg);
+ reg_to_dbg(vcpu, p, rd, dbg_reg);
else
- dbg_to_reg(vcpu, p, dbg_reg);
+ dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
@@ -509,9 +444,9 @@ static bool trap_bcr(struct kvm_vcpu *vcpu,
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
if (p->is_write)
- reg_to_dbg(vcpu, p, dbg_reg);
+ reg_to_dbg(vcpu, p, rd, dbg_reg);
else
- dbg_to_reg(vcpu, p, dbg_reg);
+ dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
@@ -552,9 +487,9 @@ static bool trap_wvr(struct kvm_vcpu *vcpu,
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
if (p->is_write)
- reg_to_dbg(vcpu, p, dbg_reg);
+ reg_to_dbg(vcpu, p, rd, dbg_reg);
else
- dbg_to_reg(vcpu, p, dbg_reg);
+ dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->CRm, p->is_write,
vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm]);
@@ -595,9 +530,9 @@ static bool trap_wcr(struct kvm_vcpu *vcpu,
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
if (p->is_write)
- reg_to_dbg(vcpu, p, dbg_reg);
+ reg_to_dbg(vcpu, p, rd, dbg_reg);
else
- dbg_to_reg(vcpu, p, dbg_reg);
+ dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
@@ -659,6 +594,15 @@ static void reset_mpidr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
vcpu_write_sys_reg(vcpu, (1ULL << 31) | mpidr, MPIDR_EL1);
}
+static unsigned int pmu_visibility(const struct kvm_vcpu *vcpu,
+ const struct sys_reg_desc *r)
+{
+ if (kvm_vcpu_has_pmu(vcpu))
+ return 0;
+
+ return REG_HIDDEN;
+}
+
static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
{
u64 pmcr, val;
@@ -715,9 +659,6 @@ static bool access_pmcr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{
u64 val;
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
if (pmu_access_el0_disabled(vcpu))
return false;
@@ -744,9 +685,6 @@ static bool access_pmcr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
static bool access_pmselr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
if (pmu_access_event_counter_el0_disabled(vcpu))
return false;
@@ -763,17 +701,18 @@ static bool access_pmselr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
static bool access_pmceid(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
- u64 pmceid;
-
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
+ u64 pmceid, mask, shift;
BUG_ON(p->is_write);
if (pmu_access_el0_disabled(vcpu))
return false;
+ get_access_mask(r, &mask, &shift);
+
pmceid = kvm_pmu_get_pmceid(vcpu, (p->Op2 & 1));
+ pmceid &= mask;
+ pmceid >>= shift;
p->regval = pmceid;
@@ -798,10 +737,7 @@ static bool access_pmu_evcntr(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
- u64 idx;
-
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
+ u64 idx = ~0UL;
if (r->CRn == 9 && r->CRm == 13) {
if (r->Op2 == 2) {
@@ -817,8 +753,6 @@ static bool access_pmu_evcntr(struct kvm_vcpu *vcpu,
return false;
idx = ARMV8_PMU_CYCLE_IDX;
- } else {
- return false;
}
} else if (r->CRn == 0 && r->CRm == 9) {
/* PMCCNTR */
@@ -832,10 +766,11 @@ static bool access_pmu_evcntr(struct kvm_vcpu *vcpu,
return false;
idx = ((r->CRm & 3) << 3) | (r->Op2 & 7);
- } else {
- return false;
}
+ /* Catch any decoding mistake */
+ WARN_ON(idx == ~0UL);
+
if (!pmu_counter_idx_valid(vcpu, idx))
return false;
@@ -856,9 +791,6 @@ static bool access_pmu_evtyper(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{
u64 idx, reg;
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
if (pmu_access_el0_disabled(vcpu))
return false;
@@ -896,9 +828,6 @@ static bool access_pmcnten(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{
u64 val, mask;
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
if (pmu_access_el0_disabled(vcpu))
return false;
@@ -927,13 +856,8 @@ static bool access_pminten(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{
u64 mask = kvm_pmu_valid_counter_mask(vcpu);
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
- if (!vcpu_mode_priv(vcpu)) {
- kvm_inject_undefined(vcpu);
+ if (check_pmu_access_disabled(vcpu, 0))
return false;
- }
if (p->is_write) {
u64 val = p->regval & mask;
@@ -956,9 +880,6 @@ static bool access_pmovs(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{
u64 mask = kvm_pmu_valid_counter_mask(vcpu);
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
if (pmu_access_el0_disabled(vcpu))
return false;
@@ -981,9 +902,6 @@ static bool access_pmswinc(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{
u64 mask;
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
if (!p->is_write)
return read_from_write_only(vcpu, p, r);
@@ -998,9 +916,6 @@ static bool access_pmswinc(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
- if (!kvm_arm_pmu_v3_ready(vcpu))
- return trap_raz_wi(vcpu, p, r);
-
if (p->is_write) {
if (!vcpu_mode_priv(vcpu)) {
kvm_inject_undefined(vcpu);
@@ -1017,10 +932,6 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
return true;
}
-#define reg_to_encoding(x) \
- sys_reg((u32)(x)->Op0, (u32)(x)->Op1, \
- (u32)(x)->CRn, (u32)(x)->CRm, (u32)(x)->Op2);
-
/* Silly macro to expand the DBG{BCR,BVR,WVR,WCR}n_EL1 registers in one go */
#define DBG_BCR_BVR_WCR_WVR_EL1(n) \
{ SYS_DESC(SYS_DBGBVRn_EL1(n)), \
@@ -1032,15 +943,18 @@ static bool access_pmuserenr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{ SYS_DESC(SYS_DBGWCRn_EL1(n)), \
trap_wcr, reset_wcr, 0, 0, get_wcr, set_wcr }
+#define PMU_SYS_REG(r) \
+ SYS_DESC(r), .reset = reset_unknown, .visibility = pmu_visibility
+
/* Macro to expand the PMEVCNTRn_EL0 register */
#define PMU_PMEVCNTR_EL0(n) \
- { SYS_DESC(SYS_PMEVCNTRn_EL0(n)), \
- access_pmu_evcntr, reset_unknown, (PMEVCNTR0_EL0 + n), }
+ { PMU_SYS_REG(SYS_PMEVCNTRn_EL0(n)), \
+ .access = access_pmu_evcntr, .reg = (PMEVCNTR0_EL0 + n), }
/* Macro to expand the PMEVTYPERn_EL0 register */
#define PMU_PMEVTYPER_EL0(n) \
- { SYS_DESC(SYS_PMEVTYPERn_EL0(n)), \
- access_pmu_evtyper, reset_unknown, (PMEVTYPER0_EL0 + n), }
+ { PMU_SYS_REG(SYS_PMEVTYPERn_EL0(n)), \
+ .access = access_pmu_evtyper, .reg = (PMEVTYPER0_EL0 + n), }
static bool undef_access(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
const struct sys_reg_desc *r)
@@ -1112,37 +1026,50 @@ static bool access_arch_timer(struct kvm_vcpu *vcpu,
return true;
}
+#define FEATURE(x) (GENMASK_ULL(x##_SHIFT + 3, x##_SHIFT))
+
/* Read a sanitised cpufeature ID register by sys_reg_desc */
static u64 read_id_reg(const struct kvm_vcpu *vcpu,
struct sys_reg_desc const *r, bool raz)
{
- u32 id = sys_reg((u32)r->Op0, (u32)r->Op1,
- (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
+ u32 id = reg_to_encoding(r);
u64 val = raz ? 0 : read_sanitised_ftr_reg(id);
- if (id == SYS_ID_AA64PFR0_EL1) {
+ switch (id) {
+ case SYS_ID_AA64PFR0_EL1:
if (!vcpu_has_sve(vcpu))
- val &= ~(0xfUL << ID_AA64PFR0_SVE_SHIFT);
- val &= ~(0xfUL << ID_AA64PFR0_AMU_SHIFT);
- val &= ~(0xfUL << ID_AA64PFR0_CSV2_SHIFT);
- val |= ((u64)vcpu->kvm->arch.pfr0_csv2 << ID_AA64PFR0_CSV2_SHIFT);
- } else if (id == SYS_ID_AA64PFR1_EL1) {
- val &= ~(0xfUL << ID_AA64PFR1_MTE_SHIFT);
- } else if (id == SYS_ID_AA64ISAR1_EL1 && !vcpu_has_ptrauth(vcpu)) {
- val &= ~((0xfUL << ID_AA64ISAR1_APA_SHIFT) |
- (0xfUL << ID_AA64ISAR1_API_SHIFT) |
- (0xfUL << ID_AA64ISAR1_GPA_SHIFT) |
- (0xfUL << ID_AA64ISAR1_GPI_SHIFT));
- } else if (id == SYS_ID_AA64DFR0_EL1) {
- /* Limit guests to PMUv3 for ARMv8.1 */
+ val &= ~FEATURE(ID_AA64PFR0_SVE);
+ val &= ~FEATURE(ID_AA64PFR0_AMU);
+ val &= ~FEATURE(ID_AA64PFR0_CSV2);
+ val |= FIELD_PREP(FEATURE(ID_AA64PFR0_CSV2), (u64)vcpu->kvm->arch.pfr0_csv2);
+ val &= ~FEATURE(ID_AA64PFR0_CSV3);
+ val |= FIELD_PREP(FEATURE(ID_AA64PFR0_CSV3), (u64)vcpu->kvm->arch.pfr0_csv3);
+ break;
+ case SYS_ID_AA64PFR1_EL1:
+ val &= ~FEATURE(ID_AA64PFR1_MTE);
+ break;
+ case SYS_ID_AA64ISAR1_EL1:
+ if (!vcpu_has_ptrauth(vcpu))
+ val &= ~(FEATURE(ID_AA64ISAR1_APA) |
+ FEATURE(ID_AA64ISAR1_API) |
+ FEATURE(ID_AA64ISAR1_GPA) |
+ FEATURE(ID_AA64ISAR1_GPI));
+ break;
+ case SYS_ID_AA64DFR0_EL1:
+ /* Limit debug to ARMv8.0 */
+ val &= ~FEATURE(ID_AA64DFR0_DEBUGVER);
+ val |= FIELD_PREP(FEATURE(ID_AA64DFR0_DEBUGVER), 6);
+ /* Limit guests to PMUv3 for ARMv8.4 */
val = cpuid_feature_cap_perfmon_field(val,
- ID_AA64DFR0_PMUVER_SHIFT,
- ID_AA64DFR0_PMUVER_8_1);
- } else if (id == SYS_ID_DFR0_EL1) {
- /* Limit guests to PMUv3 for ARMv8.1 */
+ ID_AA64DFR0_PMUVER_SHIFT,
+ kvm_vcpu_has_pmu(vcpu) ? ID_AA64DFR0_PMUVER_8_4 : 0);
+ break;
+ case SYS_ID_DFR0_EL1:
+ /* Limit guests to PMUv3 for ARMv8.4 */
val = cpuid_feature_cap_perfmon_field(val,
- ID_DFR0_PERFMON_SHIFT,
- ID_DFR0_PERFMON_8_1);
+ ID_DFR0_PERFMON_SHIFT,
+ kvm_vcpu_has_pmu(vcpu) ? ID_DFR0_PERFMON_8_4 : 0);
+ break;
}
return val;
@@ -1151,8 +1078,7 @@ static u64 read_id_reg(const struct kvm_vcpu *vcpu,
static unsigned int id_visibility(const struct kvm_vcpu *vcpu,
const struct sys_reg_desc *r)
{
- u32 id = sys_reg((u32)r->Op0, (u32)r->Op1,
- (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
+ u32 id = reg_to_encoding(r);
switch (id) {
case SYS_ID_AA64ZFR0_EL1:
@@ -1213,9 +1139,9 @@ static int set_id_aa64pfr0_el1(struct kvm_vcpu *vcpu,
const struct kvm_one_reg *reg, void __user *uaddr)
{
const u64 id = sys_reg_to_index(rd);
+ u8 csv2, csv3;
int err;
u64 val;
- u8 csv2;
err = reg_from_user(&val, uaddr, id);
if (err)
@@ -1231,13 +1157,21 @@ static int set_id_aa64pfr0_el1(struct kvm_vcpu *vcpu,
(csv2 && arm64_get_spectre_v2_state() != SPECTRE_UNAFFECTED))
return -EINVAL;
- /* We can only differ with CSV2, and anything else is an error */
+ /* Same thing for CSV3 */
+ csv3 = cpuid_feature_extract_unsigned_field(val, ID_AA64PFR0_CSV3_SHIFT);
+ if (csv3 > 1 ||
+ (csv3 && arm64_get_meltdown_state() != SPECTRE_UNAFFECTED))
+ return -EINVAL;
+
+ /* We can only differ with CSV[23], and anything else is an error */
val ^= read_id_reg(vcpu, rd, false);
- val &= ~(0xFUL << ID_AA64PFR0_CSV2_SHIFT);
+ val &= ~((0xFUL << ID_AA64PFR0_CSV2_SHIFT) |
+ (0xFUL << ID_AA64PFR0_CSV3_SHIFT));
if (val)
return -EINVAL;
vcpu->kvm->arch.pfr0_csv2 = csv2;
+ vcpu->kvm->arch.pfr0_csv3 = csv3 ;
return 0;
}
@@ -1331,10 +1265,6 @@ static bool access_csselr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
{
int reg = r->reg;
- /* See the 32bit mapping in kvm_host.h */
- if (p->is_aarch32)
- reg = r->reg / 2;
-
if (p->is_write)
vcpu_write_sys_reg(vcpu, p->regval, reg);
else
@@ -1542,6 +1472,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_GCR_EL1), undef_access },
{ SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility },
+ { SYS_DESC(SYS_TRFCR_EL1), undef_access },
{ SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 },
{ SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 },
{ SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 },
@@ -1571,8 +1502,11 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 },
{ SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 },
- { SYS_DESC(SYS_PMINTENSET_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
- { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
+ { PMU_SYS_REG(SYS_PMINTENSET_EL1),
+ .access = access_pminten, .reg = PMINTENSET_EL1 },
+ { PMU_SYS_REG(SYS_PMINTENCLR_EL1),
+ .access = access_pminten, .reg = PMINTENSET_EL1 },
+ { SYS_DESC(SYS_PMMIR_EL1), trap_raz_wi },
{ SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 },
{ SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 },
@@ -1611,23 +1545,36 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_CSSELR_EL1), access_csselr, reset_unknown, CSSELR_EL1 },
{ SYS_DESC(SYS_CTR_EL0), access_ctr },
- { SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 },
- { SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
- { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
- { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 },
- { SYS_DESC(SYS_PMSWINC_EL0), access_pmswinc, reset_unknown, PMSWINC_EL0 },
- { SYS_DESC(SYS_PMSELR_EL0), access_pmselr, reset_unknown, PMSELR_EL0 },
- { SYS_DESC(SYS_PMCEID0_EL0), access_pmceid },
- { SYS_DESC(SYS_PMCEID1_EL0), access_pmceid },
- { SYS_DESC(SYS_PMCCNTR_EL0), access_pmu_evcntr, reset_unknown, PMCCNTR_EL0 },
- { SYS_DESC(SYS_PMXEVTYPER_EL0), access_pmu_evtyper },
- { SYS_DESC(SYS_PMXEVCNTR_EL0), access_pmu_evcntr },
+ { PMU_SYS_REG(SYS_PMCR_EL0), .access = access_pmcr,
+ .reset = reset_pmcr, .reg = PMCR_EL0 },
+ { PMU_SYS_REG(SYS_PMCNTENSET_EL0),
+ .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
+ { PMU_SYS_REG(SYS_PMCNTENCLR_EL0),
+ .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
+ { PMU_SYS_REG(SYS_PMOVSCLR_EL0),
+ .access = access_pmovs, .reg = PMOVSSET_EL0 },
+ { PMU_SYS_REG(SYS_PMSWINC_EL0),
+ .access = access_pmswinc, .reg = PMSWINC_EL0 },
+ { PMU_SYS_REG(SYS_PMSELR_EL0),
+ .access = access_pmselr, .reg = PMSELR_EL0 },
+ { PMU_SYS_REG(SYS_PMCEID0_EL0),
+ .access = access_pmceid, .reset = NULL },
+ { PMU_SYS_REG(SYS_PMCEID1_EL0),
+ .access = access_pmceid, .reset = NULL },
+ { PMU_SYS_REG(SYS_PMCCNTR_EL0),
+ .access = access_pmu_evcntr, .reg = PMCCNTR_EL0 },
+ { PMU_SYS_REG(SYS_PMXEVTYPER_EL0),
+ .access = access_pmu_evtyper, .reset = NULL },
+ { PMU_SYS_REG(SYS_PMXEVCNTR_EL0),
+ .access = access_pmu_evcntr, .reset = NULL },
/*
* PMUSERENR_EL0 resets as unknown in 64bit mode while it resets as zero
* in 32bit mode. Here we choose to reset it as zero for consistency.
*/
- { SYS_DESC(SYS_PMUSERENR_EL0), access_pmuserenr, reset_val, PMUSERENR_EL0, 0 },
- { SYS_DESC(SYS_PMOVSSET_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 },
+ { PMU_SYS_REG(SYS_PMUSERENR_EL0), .access = access_pmuserenr,
+ .reset = reset_val, .reg = PMUSERENR_EL0, .val = 0 },
+ { PMU_SYS_REG(SYS_PMOVSSET_EL0),
+ .access = access_pmovs, .reg = PMOVSSET_EL0 },
{ SYS_DESC(SYS_TPIDR_EL0), NULL, reset_unknown, TPIDR_EL0 },
{ SYS_DESC(SYS_TPIDRRO_EL0), NULL, reset_unknown, TPIDRRO_EL0 },
@@ -1779,14 +1726,15 @@ static const struct sys_reg_desc sys_reg_descs[] = {
* PMCCFILTR_EL0 resets as unknown in 64bit mode while it resets as zero
* in 32bit mode. Here we choose to reset it as zero for consistency.
*/
- { SYS_DESC(SYS_PMCCFILTR_EL0), access_pmu_evtyper, reset_val, PMCCFILTR_EL0, 0 },
+ { PMU_SYS_REG(SYS_PMCCFILTR_EL0), .access = access_pmu_evtyper,
+ .reset = reset_val, .reg = PMCCFILTR_EL0, .val = 0 },
{ SYS_DESC(SYS_DACR32_EL2), NULL, reset_unknown, DACR32_EL2 },
{ SYS_DESC(SYS_IFSR32_EL2), NULL, reset_unknown, IFSR32_EL2 },
{ SYS_DESC(SYS_FPEXC32_EL2), NULL, reset_val, FPEXC32_EL2, 0x700 },
};
-static bool trap_dbgidr(struct kvm_vcpu *vcpu,
+static bool trap_dbgdidr(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *r)
{
@@ -1800,71 +1748,32 @@ static bool trap_dbgidr(struct kvm_vcpu *vcpu,
p->regval = ((((dfr >> ID_AA64DFR0_WRPS_SHIFT) & 0xf) << 28) |
(((dfr >> ID_AA64DFR0_BRPS_SHIFT) & 0xf) << 24) |
(((dfr >> ID_AA64DFR0_CTX_CMPS_SHIFT) & 0xf) << 20)
- | (6 << 16) | (el3 << 14) | (el3 << 12));
+ | (6 << 16) | (1 << 15) | (el3 << 14) | (el3 << 12));
return true;
}
}
-static bool trap_debug32(struct kvm_vcpu *vcpu,
- struct sys_reg_params *p,
- const struct sys_reg_desc *r)
-{
- if (p->is_write) {
- vcpu_cp14(vcpu, r->reg) = p->regval;
- vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
- } else {
- p->regval = vcpu_cp14(vcpu, r->reg);
- }
-
- return true;
-}
-
-/* AArch32 debug register mappings
+/*
+ * AArch32 debug register mappings
*
* AArch32 DBGBVRn is mapped to DBGBVRn_EL1[31:0]
* AArch32 DBGBXVRn is mapped to DBGBVRn_EL1[63:32]
*
- * All control registers and watchpoint value registers are mapped to
- * the lower 32 bits of their AArch64 equivalents. We share the trap
- * handlers with the above AArch64 code which checks what mode the
- * system is in.
+ * None of the other registers share their location, so treat them as
+ * if they were 64bit.
*/
-
-static bool trap_xvr(struct kvm_vcpu *vcpu,
- struct sys_reg_params *p,
- const struct sys_reg_desc *rd)
-{
- u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
-
- if (p->is_write) {
- u64 val = *dbg_reg;
-
- val &= 0xffffffffUL;
- val |= p->regval << 32;
- *dbg_reg = val;
-
- vcpu->arch.flags |= KVM_ARM64_DEBUG_DIRTY;
- } else {
- p->regval = *dbg_reg >> 32;
- }
-
- trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
-
- return true;
-}
-
-#define DBG_BCR_BVR_WCR_WVR(n) \
- /* DBGBVRn */ \
- { Op1( 0), CRn( 0), CRm((n)), Op2( 4), trap_bvr, NULL, n }, \
- /* DBGBCRn */ \
- { Op1( 0), CRn( 0), CRm((n)), Op2( 5), trap_bcr, NULL, n }, \
- /* DBGWVRn */ \
- { Op1( 0), CRn( 0), CRm((n)), Op2( 6), trap_wvr, NULL, n }, \
- /* DBGWCRn */ \
+#define DBG_BCR_BVR_WCR_WVR(n) \
+ /* DBGBVRn */ \
+ { AA32(LO), Op1( 0), CRn( 0), CRm((n)), Op2( 4), trap_bvr, NULL, n }, \
+ /* DBGBCRn */ \
+ { Op1( 0), CRn( 0), CRm((n)), Op2( 5), trap_bcr, NULL, n }, \
+ /* DBGWVRn */ \
+ { Op1( 0), CRn( 0), CRm((n)), Op2( 6), trap_wvr, NULL, n }, \
+ /* DBGWCRn */ \
{ Op1( 0), CRn( 0), CRm((n)), Op2( 7), trap_wcr, NULL, n }
-#define DBGBXVR(n) \
- { Op1( 0), CRn( 1), CRm((n)), Op2( 1), trap_xvr, NULL, n }
+#define DBGBXVR(n) \
+ { AA32(HI), Op1( 0), CRn( 1), CRm((n)), Op2( 1), trap_bvr, NULL, n }
/*
* Trapped cp14 registers. We generally ignore most of the external
@@ -1872,8 +1781,8 @@ static bool trap_xvr(struct kvm_vcpu *vcpu,
* guest. Revisit this one day, would this principle change.
*/
static const struct sys_reg_desc cp14_regs[] = {
- /* DBGIDR */
- { Op1( 0), CRn( 0), CRm( 0), Op2( 0), trap_dbgidr },
+ /* DBGDIDR */
+ { Op1( 0), CRn( 0), CRm( 0), Op2( 0), trap_dbgdidr },
/* DBGDTRRXext */
{ Op1( 0), CRn( 0), CRm( 0), Op2( 2), trap_raz_wi },
@@ -1882,9 +1791,9 @@ static const struct sys_reg_desc cp14_regs[] = {
{ Op1( 0), CRn( 0), CRm( 1), Op2( 0), trap_raz_wi },
DBG_BCR_BVR_WCR_WVR(1),
/* DBGDCCINT */
- { Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug32, NULL, cp14_DBGDCCINT },
+ { Op1( 0), CRn( 0), CRm( 2), Op2( 0), trap_debug_regs, NULL, MDCCINT_EL1 },
/* DBGDSCRext */
- { Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug32, NULL, cp14_DBGDSCRext },
+ { Op1( 0), CRn( 0), CRm( 2), Op2( 2), trap_debug_regs, NULL, MDSCR_EL1 },
DBG_BCR_BVR_WCR_WVR(2),
/* DBGDTR[RT]Xint */
{ Op1( 0), CRn( 0), CRm( 3), Op2( 0), trap_raz_wi },
@@ -1899,7 +1808,7 @@ static const struct sys_reg_desc cp14_regs[] = {
{ Op1( 0), CRn( 0), CRm( 6), Op2( 2), trap_raz_wi },
DBG_BCR_BVR_WCR_WVR(6),
/* DBGVCR */
- { Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug32, NULL, cp14_DBGVCR },
+ { Op1( 0), CRn( 0), CRm( 7), Op2( 0), trap_debug_regs, NULL, DBGVCR32_EL2 },
DBG_BCR_BVR_WCR_WVR(7),
DBG_BCR_BVR_WCR_WVR(8),
DBG_BCR_BVR_WCR_WVR(9),
@@ -1985,20 +1894,29 @@ static const struct sys_reg_desc cp14_64_regs[] = {
*/
static const struct sys_reg_desc cp15_regs[] = {
{ Op1( 0), CRn( 0), CRm( 0), Op2( 1), access_ctr },
- { Op1( 0), CRn( 1), CRm( 0), Op2( 0), access_vm_reg, NULL, c1_SCTLR },
- { Op1( 0), CRn( 1), CRm( 0), Op2( 1), access_actlr },
- { Op1( 0), CRn( 1), CRm( 0), Op2( 3), access_actlr },
- { Op1( 0), CRn( 2), CRm( 0), Op2( 0), access_vm_reg, NULL, c2_TTBR0 },
- { Op1( 0), CRn( 2), CRm( 0), Op2( 1), access_vm_reg, NULL, c2_TTBR1 },
- { Op1( 0), CRn( 2), CRm( 0), Op2( 2), access_vm_reg, NULL, c2_TTBCR },
- { Op1( 0), CRn( 2), CRm( 0), Op2( 3), access_vm_reg, NULL, c2_TTBCR2 },
- { Op1( 0), CRn( 3), CRm( 0), Op2( 0), access_vm_reg, NULL, c3_DACR },
- { Op1( 0), CRn( 5), CRm( 0), Op2( 0), access_vm_reg, NULL, c5_DFSR },
- { Op1( 0), CRn( 5), CRm( 0), Op2( 1), access_vm_reg, NULL, c5_IFSR },
- { Op1( 0), CRn( 5), CRm( 1), Op2( 0), access_vm_reg, NULL, c5_ADFSR },
- { Op1( 0), CRn( 5), CRm( 1), Op2( 1), access_vm_reg, NULL, c5_AIFSR },
- { Op1( 0), CRn( 6), CRm( 0), Op2( 0), access_vm_reg, NULL, c6_DFAR },
- { Op1( 0), CRn( 6), CRm( 0), Op2( 2), access_vm_reg, NULL, c6_IFAR },
+ { Op1( 0), CRn( 1), CRm( 0), Op2( 0), access_vm_reg, NULL, SCTLR_EL1 },
+ /* ACTLR */
+ { AA32(LO), Op1( 0), CRn( 1), CRm( 0), Op2( 1), access_actlr, NULL, ACTLR_EL1 },
+ /* ACTLR2 */
+ { AA32(HI), Op1( 0), CRn( 1), CRm( 0), Op2( 3), access_actlr, NULL, ACTLR_EL1 },
+ { Op1( 0), CRn( 2), CRm( 0), Op2( 0), access_vm_reg, NULL, TTBR0_EL1 },
+ { Op1( 0), CRn( 2), CRm( 0), Op2( 1), access_vm_reg, NULL, TTBR1_EL1 },
+ /* TTBCR */
+ { AA32(LO), Op1( 0), CRn( 2), CRm( 0), Op2( 2), access_vm_reg, NULL, TCR_EL1 },
+ /* TTBCR2 */
+ { AA32(HI), Op1( 0), CRn( 2), CRm( 0), Op2( 3), access_vm_reg, NULL, TCR_EL1 },
+ { Op1( 0), CRn( 3), CRm( 0), Op2( 0), access_vm_reg, NULL, DACR32_EL2 },
+ /* DFSR */
+ { Op1( 0), CRn( 5), CRm( 0), Op2( 0), access_vm_reg, NULL, ESR_EL1 },
+ { Op1( 0), CRn( 5), CRm( 0), Op2( 1), access_vm_reg, NULL, IFSR32_EL2 },
+ /* ADFSR */
+ { Op1( 0), CRn( 5), CRm( 1), Op2( 0), access_vm_reg, NULL, AFSR0_EL1 },
+ /* AIFSR */
+ { Op1( 0), CRn( 5), CRm( 1), Op2( 1), access_vm_reg, NULL, AFSR1_EL1 },
+ /* DFAR */
+ { AA32(LO), Op1( 0), CRn( 6), CRm( 0), Op2( 0), access_vm_reg, NULL, FAR_EL1 },
+ /* IFAR */
+ { AA32(HI), Op1( 0), CRn( 6), CRm( 0), Op2( 2), access_vm_reg, NULL, FAR_EL1 },
/*
* DC{C,I,CI}SW operations:
@@ -2014,8 +1932,8 @@ static const struct sys_reg_desc cp15_regs[] = {
{ Op1( 0), CRn( 9), CRm(12), Op2( 3), access_pmovs },
{ Op1( 0), CRn( 9), CRm(12), Op2( 4), access_pmswinc },
{ Op1( 0), CRn( 9), CRm(12), Op2( 5), access_pmselr },
- { Op1( 0), CRn( 9), CRm(12), Op2( 6), access_pmceid },
- { Op1( 0), CRn( 9), CRm(12), Op2( 7), access_pmceid },
+ { AA32(LO), Op1( 0), CRn( 9), CRm(12), Op2( 6), access_pmceid },
+ { AA32(LO), Op1( 0), CRn( 9), CRm(12), Op2( 7), access_pmceid },
{ Op1( 0), CRn( 9), CRm(13), Op2( 0), access_pmu_evcntr },
{ Op1( 0), CRn( 9), CRm(13), Op2( 1), access_pmu_evtyper },
{ Op1( 0), CRn( 9), CRm(13), Op2( 2), access_pmu_evcntr },
@@ -2023,16 +1941,24 @@ static const struct sys_reg_desc cp15_regs[] = {
{ Op1( 0), CRn( 9), CRm(14), Op2( 1), access_pminten },
{ Op1( 0), CRn( 9), CRm(14), Op2( 2), access_pminten },
{ Op1( 0), CRn( 9), CRm(14), Op2( 3), access_pmovs },
+ { AA32(HI), Op1( 0), CRn( 9), CRm(14), Op2( 4), access_pmceid },
+ { AA32(HI), Op1( 0), CRn( 9), CRm(14), Op2( 5), access_pmceid },
+ /* PMMIR */
+ { Op1( 0), CRn( 9), CRm(14), Op2( 6), trap_raz_wi },
- { Op1( 0), CRn(10), CRm( 2), Op2( 0), access_vm_reg, NULL, c10_PRRR },
- { Op1( 0), CRn(10), CRm( 2), Op2( 1), access_vm_reg, NULL, c10_NMRR },
- { Op1( 0), CRn(10), CRm( 3), Op2( 0), access_vm_reg, NULL, c10_AMAIR0 },
- { Op1( 0), CRn(10), CRm( 3), Op2( 1), access_vm_reg, NULL, c10_AMAIR1 },
+ /* PRRR/MAIR0 */
+ { AA32(LO), Op1( 0), CRn(10), CRm( 2), Op2( 0), access_vm_reg, NULL, MAIR_EL1 },
+ /* NMRR/MAIR1 */
+ { AA32(HI), Op1( 0), CRn(10), CRm( 2), Op2( 1), access_vm_reg, NULL, MAIR_EL1 },
+ /* AMAIR0 */
+ { AA32(LO), Op1( 0), CRn(10), CRm( 3), Op2( 0), access_vm_reg, NULL, AMAIR_EL1 },
+ /* AMAIR1 */
+ { AA32(HI), Op1( 0), CRn(10), CRm( 3), Op2( 1), access_vm_reg, NULL, AMAIR_EL1 },
/* ICC_SRE */
{ Op1( 0), CRn(12), CRm(12), Op2( 5), access_gic_sre },
- { Op1( 0), CRn(13), CRm( 0), Op2( 1), access_vm_reg, NULL, c13_CID },
+ { Op1( 0), CRn(13), CRm( 0), Op2( 1), access_vm_reg, NULL, CONTEXTIDR_EL1 },
/* Arch Tmers */
{ SYS_DESC(SYS_AARCH32_CNTP_TVAL), access_arch_timer },
@@ -2107,14 +2033,14 @@ static const struct sys_reg_desc cp15_regs[] = {
{ Op1(1), CRn( 0), CRm( 0), Op2(0), access_ccsidr },
{ Op1(1), CRn( 0), CRm( 0), Op2(1), access_clidr },
- { Op1(2), CRn( 0), CRm( 0), Op2(0), access_csselr, NULL, c0_CSSELR },
+ { Op1(2), CRn( 0), CRm( 0), Op2(0), access_csselr, NULL, CSSELR_EL1 },
};
static const struct sys_reg_desc cp15_64_regs[] = {
- { Op1( 0), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, c2_TTBR0 },
+ { Op1( 0), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, TTBR0_EL1 },
{ Op1( 0), CRn( 0), CRm( 9), Op2( 0), access_pmu_evcntr },
{ Op1( 0), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_SGI1R */
- { Op1( 1), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, c2_TTBR1 },
+ { Op1( 1), CRn( 0), CRm( 2), Op2( 0), access_vm_reg, NULL, TTBR1_EL1 },
{ Op1( 1), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_ASGI1R */
{ Op1( 2), CRn( 0), CRm(12), Op2( 0), access_gic_sgi }, /* ICC_SGI0R */
{ SYS_DESC(SYS_AARCH32_CNTP_CVAL), access_arch_timer },
@@ -2185,7 +2111,7 @@ static void perform_access(struct kvm_vcpu *vcpu,
/* Skip instruction if instructed so */
if (likely(r->access(vcpu, params, r)))
- kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ kvm_incr_pc(vcpu);
}
/*
@@ -2258,8 +2184,6 @@ static int kvm_handle_cp_64(struct kvm_vcpu *vcpu,
int Rt = kvm_vcpu_sys_get_rt(vcpu);
int Rt2 = (esr >> 10) & 0x1f;
- params.is_aarch32 = true;
- params.is_32bit = false;
params.CRm = (esr >> 1) & 0xf;
params.is_write = ((esr & 1) == 0);
@@ -2309,8 +2233,6 @@ static int kvm_handle_cp_32(struct kvm_vcpu *vcpu,
u32 esr = kvm_vcpu_get_esr(vcpu);
int Rt = kvm_vcpu_sys_get_rt(vcpu);
- params.is_aarch32 = true;
- params.is_32bit = true;
params.CRm = (esr >> 1) & 0xf;
params.regval = vcpu_get_reg(vcpu, Rt);
params.is_write = ((esr & 1) == 0);
@@ -2404,8 +2326,6 @@ int kvm_handle_sys_reg(struct kvm_vcpu *vcpu)
trace_kvm_handle_sys_reg(esr);
- params.is_aarch32 = false;
- params.is_32bit = false;
params.Op0 = (esr >> 20) & 3;
params.Op1 = (esr >> 14) & 0x7;
params.CRn = (esr >> 10) & 0xf;
diff --git a/arch/arm64/kvm/sys_regs.h b/arch/arm64/kvm/sys_regs.h
index 0f95964..9d06214 100644
--- a/arch/arm64/kvm/sys_regs.h
+++ b/arch/arm64/kvm/sys_regs.h
@@ -19,14 +19,18 @@ struct sys_reg_params {
u8 Op2;
u64 regval;
bool is_write;
- bool is_aarch32;
- bool is_32bit; /* Only valid if is_aarch32 is true */
};
struct sys_reg_desc {
/* Sysreg string for debug */
const char *name;
+ enum {
+ AA32_ZEROHIGH,
+ AA32_LO,
+ AA32_HI,
+ } aarch32_map;
+
/* MRS/MSR instruction which accesses it. */
u8 Op0;
u8 Op1;
@@ -153,6 +157,7 @@ const struct sys_reg_desc *find_reg_by_id(u64 id,
const struct sys_reg_desc table[],
unsigned int num);
+#define AA32(_x) .aarch32_map = AA32_##_x
#define Op0(_x) .Op0 = _x
#define Op1(_x) .Op1 = _x
#define CRn(_x) .CRn = _x
diff --git a/arch/arm64/kvm/trng.c b/arch/arm64/kvm/trng.c
new file mode 100644
index 0000000..99bdd71
--- /dev/null
+++ b/arch/arm64/kvm/trng.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2020 Arm Ltd.
+
+#include <linux/arm-smccc.h>
+#include <linux/kvm_host.h>
+
+#include <asm/kvm_emulate.h>
+
+#include <kvm/arm_hypercalls.h>
+
+#define ARM_SMCCC_TRNG_VERSION_1_0 0x10000UL
+
+/* Those values are deliberately separate from the generic SMCCC definitions. */
+#define TRNG_SUCCESS 0UL
+#define TRNG_NOT_SUPPORTED ((unsigned long)-1)
+#define TRNG_INVALID_PARAMETER ((unsigned long)-2)
+#define TRNG_NO_ENTROPY ((unsigned long)-3)
+
+#define TRNG_MAX_BITS64 192
+
+static const uuid_t arm_smc_trng_uuid __aligned(4) = UUID_INIT(
+ 0x0d21e000, 0x4384, 0x11eb, 0x80, 0x70, 0x52, 0x44, 0x55, 0x4e, 0x5a, 0x4c);
+
+static int kvm_trng_do_rnd(struct kvm_vcpu *vcpu, int size)
+{
+ DECLARE_BITMAP(bits, TRNG_MAX_BITS64);
+ u32 num_bits = smccc_get_arg1(vcpu);
+ int i;
+
+ if (num_bits > 3 * size) {
+ smccc_set_retval(vcpu, TRNG_INVALID_PARAMETER, 0, 0, 0);
+ return 1;
+ }
+
+ /* get as many bits as we need to fulfil the request */
+ for (i = 0; i < DIV_ROUND_UP(num_bits, BITS_PER_LONG); i++)
+ bits[i] = get_random_long();
+
+ bitmap_clear(bits, num_bits, TRNG_MAX_BITS64 - num_bits);
+
+ if (size == 32)
+ smccc_set_retval(vcpu, TRNG_SUCCESS, lower_32_bits(bits[1]),
+ upper_32_bits(bits[0]), lower_32_bits(bits[0]));
+ else
+ smccc_set_retval(vcpu, TRNG_SUCCESS, bits[2], bits[1], bits[0]);
+
+ memzero_explicit(bits, sizeof(bits));
+ return 1;
+}
+
+int kvm_trng_call(struct kvm_vcpu *vcpu)
+{
+ const __le32 *u = (__le32 *)arm_smc_trng_uuid.b;
+ u32 func_id = smccc_get_function(vcpu);
+ unsigned long val = TRNG_NOT_SUPPORTED;
+ int size = 64;
+
+ switch (func_id) {
+ case ARM_SMCCC_TRNG_VERSION:
+ val = ARM_SMCCC_TRNG_VERSION_1_0;
+ break;
+ case ARM_SMCCC_TRNG_FEATURES:
+ switch (smccc_get_arg1(vcpu)) {
+ case ARM_SMCCC_TRNG_VERSION:
+ case ARM_SMCCC_TRNG_FEATURES:
+ case ARM_SMCCC_TRNG_GET_UUID:
+ case ARM_SMCCC_TRNG_RND32:
+ case ARM_SMCCC_TRNG_RND64:
+ val = TRNG_SUCCESS;
+ }
+ break;
+ case ARM_SMCCC_TRNG_GET_UUID:
+ smccc_set_retval(vcpu, le32_to_cpu(u[0]), le32_to_cpu(u[1]),
+ le32_to_cpu(u[2]), le32_to_cpu(u[3]));
+ return 1;
+ case ARM_SMCCC_TRNG_RND32:
+ size = 32;
+ fallthrough;
+ case ARM_SMCCC_TRNG_RND64:
+ return kvm_trng_do_rnd(vcpu, size);
+ }
+
+ smccc_set_retval(vcpu, val, 0, 0, 0);
+ return 1;
+}
diff --git a/arch/arm64/kvm/va_layout.c b/arch/arm64/kvm/va_layout.c
index e0404bc..acdb7b3 100644
--- a/arch/arm64/kvm/va_layout.c
+++ b/arch/arm64/kvm/va_layout.c
@@ -11,6 +11,7 @@
#include <asm/debug-monitors.h>
#include <asm/insn.h>
#include <asm/kvm_mmu.h>
+#include <asm/memory.h>
/*
* The LSB of the HYP VA tag
@@ -23,6 +24,29 @@ static u64 tag_val;
static u64 va_mask;
/*
+ * Compute HYP VA by using the same computation as kern_hyp_va().
+ */
+static u64 __early_kern_hyp_va(u64 addr)
+{
+ addr &= va_mask;
+ addr |= tag_val << tag_lsb;
+ return addr;
+}
+
+/*
+ * Store a hyp VA <-> PA offset into a EL2-owned variable.
+ */
+static void init_hyp_physvirt_offset(void)
+{
+ u64 kern_va, hyp_va;
+
+ /* Compute the offset from the hyp VA and PA of a random symbol. */
+ kern_va = (u64)lm_alias(__hyp_text_start);
+ hyp_va = __early_kern_hyp_va(kern_va);
+ hyp_physvirt_offset = (s64)__pa(kern_va) - (s64)hyp_va;
+}
+
+/*
* We want to generate a hyp VA with the following format (with V ==
* vabits_actual):
*
@@ -53,6 +77,36 @@ __init void kvm_compute_layout(void)
tag_val |= get_random_long() & GENMASK_ULL(vabits_actual - 2, tag_lsb);
}
tag_val >>= tag_lsb;
+
+ init_hyp_physvirt_offset();
+}
+
+/*
+ * The .hyp.reloc ELF section contains a list of kimg positions that
+ * contains kimg VAs but will be accessed only in hyp execution context.
+ * Convert them to hyp VAs. See gen-hyprel.c for more details.
+ */
+__init void kvm_apply_hyp_relocations(void)
+{
+ int32_t *rel;
+ int32_t *begin = (int32_t *)__hyp_reloc_begin;
+ int32_t *end = (int32_t *)__hyp_reloc_end;
+
+ for (rel = begin; rel < end; ++rel) {
+ uintptr_t *ptr, kimg_va;
+
+ /*
+ * Each entry contains a 32-bit relative offset from itself
+ * to a kimg VA position.
+ */
+ ptr = (uintptr_t *)lm_alias((char *)rel + *rel);
+
+ /* Read the kimg VA value at the relocation address. */
+ kimg_va = *ptr;
+
+ /* Convert to hyp VA and store back to the relocation address. */
+ *ptr = __early_kern_hyp_va((uintptr_t)lm_alias(kimg_va));
+ }
}
static u32 compute_instruction(int n, u32 rd, u32 rn)
@@ -131,28 +185,21 @@ void __init kvm_update_va_mask(struct alt_instr *alt,
}
}
-void *__kvm_bp_vect_base;
-int __kvm_harden_el2_vector_slot;
-
void kvm_patch_vector_branch(struct alt_instr *alt,
__le32 *origptr, __le32 *updptr, int nr_inst)
{
u64 addr;
u32 insn;
- BUG_ON(nr_inst != 5);
+ BUG_ON(nr_inst != 4);
- if (has_vhe() || !cpus_have_const_cap(ARM64_HARDEN_EL2_VECTORS)) {
- WARN_ON_ONCE(cpus_have_const_cap(ARM64_HARDEN_EL2_VECTORS));
+ if (!cpus_have_const_cap(ARM64_SPECTRE_V3A) || WARN_ON_ONCE(has_vhe()))
return;
- }
/*
* Compute HYP VA by using the same computation as kern_hyp_va()
*/
- addr = (uintptr_t)kvm_ksym_ref(__kvm_hyp_vector);
- addr &= va_mask;
- addr |= tag_val << tag_lsb;
+ addr = __early_kern_hyp_va((u64)kvm_ksym_ref(__kvm_hyp_vector));
/* Use PC[10:7] to branch to the same vector in KVM */
addr |= ((u64)origptr & GENMASK_ULL(10, 7));
@@ -163,15 +210,6 @@ void kvm_patch_vector_branch(struct alt_instr *alt,
*/
addr += KVM_VECTOR_PREAMBLE;
- /* stp x0, x1, [sp, #-16]! */
- insn = aarch64_insn_gen_load_store_pair(AARCH64_INSN_REG_0,
- AARCH64_INSN_REG_1,
- AARCH64_INSN_REG_SP,
- -16,
- AARCH64_INSN_VARIANT_64BIT,
- AARCH64_INSN_LDST_STORE_PAIR_PRE_INDEX);
- *updptr++ = cpu_to_le32(insn);
-
/* movz x0, #(addr & 0xffff) */
insn = aarch64_insn_gen_movewide(AARCH64_INSN_REG_0,
(u16)addr,
@@ -201,3 +239,59 @@ void kvm_patch_vector_branch(struct alt_instr *alt,
AARCH64_INSN_BRANCH_NOLINK);
*updptr++ = cpu_to_le32(insn);
}
+
+static void generate_mov_q(u64 val, __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+ u32 insn, oinsn, rd;
+
+ BUG_ON(nr_inst != 4);
+
+ /* Compute target register */
+ oinsn = le32_to_cpu(*origptr);
+ rd = aarch64_insn_decode_register(AARCH64_INSN_REGTYPE_RD, oinsn);
+
+ /* movz rd, #(val & 0xffff) */
+ insn = aarch64_insn_gen_movewide(rd,
+ (u16)val,
+ 0,
+ AARCH64_INSN_VARIANT_64BIT,
+ AARCH64_INSN_MOVEWIDE_ZERO);
+ *updptr++ = cpu_to_le32(insn);
+
+ /* movk rd, #((val >> 16) & 0xffff), lsl #16 */
+ insn = aarch64_insn_gen_movewide(rd,
+ (u16)(val >> 16),
+ 16,
+ AARCH64_INSN_VARIANT_64BIT,
+ AARCH64_INSN_MOVEWIDE_KEEP);
+ *updptr++ = cpu_to_le32(insn);
+
+ /* movk rd, #((val >> 32) & 0xffff), lsl #32 */
+ insn = aarch64_insn_gen_movewide(rd,
+ (u16)(val >> 32),
+ 32,
+ AARCH64_INSN_VARIANT_64BIT,
+ AARCH64_INSN_MOVEWIDE_KEEP);
+ *updptr++ = cpu_to_le32(insn);
+
+ /* movk rd, #((val >> 48) & 0xffff), lsl #48 */
+ insn = aarch64_insn_gen_movewide(rd,
+ (u16)(val >> 48),
+ 48,
+ AARCH64_INSN_VARIANT_64BIT,
+ AARCH64_INSN_MOVEWIDE_KEEP);
+ *updptr++ = cpu_to_le32(insn);
+}
+
+void kvm_get_kimage_voffset(struct alt_instr *alt,
+ __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+ generate_mov_q(kimage_voffset, origptr, updptr, nr_inst);
+}
+
+void kvm_compute_final_ctr_el0(struct alt_instr *alt,
+ __le32 *origptr, __le32 *updptr, int nr_inst)
+{
+ generate_mov_q(read_sanitised_ftr_reg(SYS_CTR_EL0),
+ origptr, updptr, nr_inst);
+}
diff --git a/arch/arm64/kvm/vgic-sys-reg-v3.c b/arch/arm64/kvm/vgic-sys-reg-v3.c
index 2f92bdc..07d5271 100644
--- a/arch/arm64/kvm/vgic-sys-reg-v3.c
+++ b/arch/arm64/kvm/vgic-sys-reg-v3.c
@@ -268,8 +268,6 @@ int vgic_v3_has_cpu_sysregs_attr(struct kvm_vcpu *vcpu, bool is_write, u64 id,
params.regval = *reg;
params.is_write = is_write;
- params.is_aarch32 = false;
- params.is_32bit = false;
if (find_reg_by_id(sysreg, ¶ms, gic_v3_icc_reg_descs,
ARRAY_SIZE(gic_v3_icc_reg_descs)))
@@ -288,8 +286,6 @@ int vgic_v3_cpu_sysregs_uaccess(struct kvm_vcpu *vcpu, bool is_write, u64 id,
if (is_write)
params.regval = *reg;
params.is_write = is_write;
- params.is_aarch32 = false;
- params.is_32bit = false;
r = find_reg_by_id(sysreg, ¶ms, gic_v3_icc_reg_descs,
ARRAY_SIZE(gic_v3_icc_reg_descs));
diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
index 32e32d6..052917d 100644
--- a/arch/arm64/kvm/vgic/vgic-init.c
+++ b/arch/arm64/kvm/vgic/vgic-init.c
@@ -419,7 +419,8 @@ int vgic_lazy_init(struct kvm *kvm)
* Map the MMIO regions depending on the VGIC model exposed to the guest
* called on the first VCPU run.
* Also map the virtual CPU interface into the VM.
- * v2/v3 derivatives call vgic_init if not already done.
+ * v2 calls vgic_init() if not already done.
+ * v3 and derivatives return an error if the VGIC is not initialized.
* vgic_ready() returns true if this function has succeeded.
* @kvm: kvm struct pointer
*/
@@ -428,7 +429,13 @@ int kvm_vgic_map_resources(struct kvm *kvm)
struct vgic_dist *dist = &kvm->arch.vgic;
int ret = 0;
+ if (likely(vgic_ready(kvm)))
+ return 0;
+
mutex_lock(&kvm->lock);
+ if (vgic_ready(kvm))
+ goto out;
+
if (!irqchip_in_kernel(kvm))
goto out;
@@ -439,6 +446,8 @@ int kvm_vgic_map_resources(struct kvm *kvm)
if (ret)
__kvm_vgic_destroy(kvm);
+ else
+ dist->ready = true;
out:
mutex_unlock(&kvm->lock);
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index b9518f9..40cbaca 100644
--- a/arch/arm64/kvm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -2190,8 +2190,8 @@ static int vgic_its_restore_ite(struct vgic_its *its, u32 event_id,
return offset;
}
-static int vgic_its_ite_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int vgic_its_ite_cmp(void *priv, struct list_head *a,
+ struct list_head *b)
{
struct its_ite *itea = container_of(a, struct its_ite, ite_list);
struct its_ite *iteb = container_of(b, struct its_ite, ite_list);
@@ -2329,8 +2329,8 @@ static int vgic_its_restore_dte(struct vgic_its *its, u32 id,
return offset;
}
-static int vgic_its_device_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int vgic_its_device_cmp(void *priv, struct list_head *a,
+ struct list_head *b)
{
struct its_device *deva = container_of(a, struct its_device, dev_list);
struct its_device *devb = container_of(b, struct its_device, dev_list);
diff --git a/arch/arm64/kvm/vgic/vgic-v2.c b/arch/arm64/kvm/vgic/vgic-v2.c
index ebf53a4..11934c2 100644
--- a/arch/arm64/kvm/vgic/vgic-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-v2.c
@@ -306,20 +306,15 @@ int vgic_v2_map_resources(struct kvm *kvm)
struct vgic_dist *dist = &kvm->arch.vgic;
int ret = 0;
- if (vgic_ready(kvm))
- goto out;
-
if (IS_VGIC_ADDR_UNDEF(dist->vgic_dist_base) ||
IS_VGIC_ADDR_UNDEF(dist->vgic_cpu_base)) {
kvm_err("Need to set vgic cpu and dist addresses first\n");
- ret = -ENXIO;
- goto out;
+ return -ENXIO;
}
if (!vgic_v2_check_base(dist->vgic_dist_base, dist->vgic_cpu_base)) {
kvm_err("VGIC CPU and dist frames overlap\n");
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
/*
@@ -329,13 +324,13 @@ int vgic_v2_map_resources(struct kvm *kvm)
ret = vgic_init(kvm);
if (ret) {
kvm_err("Unable to initialize VGIC dynamic data structures\n");
- goto out;
+ return ret;
}
ret = vgic_register_dist_iodev(kvm, dist->vgic_dist_base, VGIC_V2);
if (ret) {
kvm_err("Unable to register VGIC MMIO regions\n");
- goto out;
+ return ret;
}
if (!static_branch_unlikely(&vgic_v2_cpuif_trap)) {
@@ -344,14 +339,11 @@ int vgic_v2_map_resources(struct kvm *kvm)
KVM_VGIC_V2_CPU_SIZE, true);
if (ret) {
kvm_err("Unable to remap VGIC CPU to VCPU\n");
- goto out;
+ return ret;
}
}
- dist->ready = true;
-
-out:
- return ret;
+ return 0;
}
DEFINE_STATIC_KEY_FALSE(vgic_v2_cpuif_trap);
diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 9cdf39a..6f53092 100644
--- a/arch/arm64/kvm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -500,29 +500,23 @@ int vgic_v3_map_resources(struct kvm *kvm)
int ret = 0;
int c;
- if (vgic_ready(kvm))
- goto out;
-
kvm_for_each_vcpu(c, vcpu, kvm) {
struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
if (IS_VGIC_ADDR_UNDEF(vgic_cpu->rd_iodev.base_addr)) {
kvm_debug("vcpu %d redistributor base not set\n", c);
- ret = -ENXIO;
- goto out;
+ return -ENXIO;
}
}
if (IS_VGIC_ADDR_UNDEF(dist->vgic_dist_base)) {
kvm_err("Need to set vgic distributor addresses first\n");
- ret = -ENXIO;
- goto out;
+ return -ENXIO;
}
if (!vgic_v3_check_base(kvm)) {
kvm_err("VGIC redist and dist frames overlap\n");
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
/*
@@ -530,22 +524,19 @@ int vgic_v3_map_resources(struct kvm *kvm)
* the VGIC before we need to use it.
*/
if (!vgic_initialized(kvm)) {
- ret = -EBUSY;
- goto out;
+ return -EBUSY;
}
ret = vgic_register_dist_iodev(kvm, dist->vgic_dist_base, VGIC_V3);
if (ret) {
kvm_err("Unable to register VGICv3 dist MMIO regions\n");
- goto out;
+ return ret;
}
if (kvm_vgic_global_state.has_gicv4_1)
vgic_v4_configure_vsgis(kvm);
- dist->ready = true;
-out:
- return ret;
+ return 0;
}
DEFINE_STATIC_KEY_FALSE(vgic_v3_cpuif_trap);
@@ -583,9 +574,13 @@ early_param("kvm-arm.vgic_v4_enable", early_gicv4_enable);
*/
int vgic_v3_probe(const struct gic_kvm_info *info)
{
- u32 ich_vtr_el2 = kvm_call_hyp_ret(__vgic_v3_get_ich_vtr_el2);
+ u64 ich_vtr_el2 = kvm_call_hyp_ret(__vgic_v3_get_gic_config);
+ bool has_v2;
int ret;
+ has_v2 = ich_vtr_el2 >> 63;
+ ich_vtr_el2 = (u32)ich_vtr_el2;
+
/*
* The ListRegs field is 5 bits, but there is an architectural
* maximum of 16 list registers. Just ignore bit 4...
@@ -603,13 +598,15 @@ int vgic_v3_probe(const struct gic_kvm_info *info)
gicv4_enable ? "en" : "dis");
}
+ kvm_vgic_global_state.vcpu_base = 0;
+
if (!info->vcpu.start) {
kvm_info("GICv3: no GICV resource entry\n");
- kvm_vgic_global_state.vcpu_base = 0;
+ } else if (!has_v2) {
+ pr_warn(FW_BUG "CPU interface incapable of MMIO access\n");
} else if (!PAGE_ALIGNED(info->vcpu.start)) {
pr_warn("GICV physical address 0x%llx not page aligned\n",
(unsigned long long)info->vcpu.start);
- kvm_vgic_global_state.vcpu_base = 0;
} else {
kvm_vgic_global_state.vcpu_base = info->vcpu.start;
kvm_vgic_global_state.can_emulate_gicv2 = true;
diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c
index b5fa73c..66508b0 100644
--- a/arch/arm64/kvm/vgic/vgic-v4.c
+++ b/arch/arm64/kvm/vgic/vgic-v4.c
@@ -353,6 +353,18 @@ int vgic_v4_load(struct kvm_vcpu *vcpu)
return err;
}
+void vgic_v4_commit(struct kvm_vcpu *vcpu)
+{
+ struct its_vpe *vpe = &vcpu->arch.vgic_cpu.vgic_v3.its_vpe;
+
+ /*
+ * No need to wait for the vPE to be ready across a shallow guest
+ * exit, as only a vcpu_put will invalidate it.
+ */
+ if (!vpe->ready)
+ its_commit_vpe(vpe);
+}
+
static struct vgic_its *vgic_get_its(struct kvm *kvm,
struct kvm_kernel_irq_routing_entry *irq_entry)
{
diff --git a/arch/arm64/kvm/vgic/vgic.c b/arch/arm64/kvm/vgic/vgic.c
index 4abf7a8..1c597c9 100644
--- a/arch/arm64/kvm/vgic/vgic.c
+++ b/arch/arm64/kvm/vgic/vgic.c
@@ -255,8 +255,7 @@ static struct kvm_vcpu *vgic_target_oracle(struct vgic_irq *irq)
* Return negative if "a" sorts before "b", 0 to preserve order, and positive
* to sort "b" before "a".
*/
-static int vgic_irq_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int vgic_irq_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct vgic_irq *irqa = container_of(a, struct vgic_irq, ap_list);
struct vgic_irq *irqb = container_of(b, struct vgic_irq, ap_list);
@@ -916,6 +915,9 @@ void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu)
if (can_access_vgic_from_kernel())
vgic_restore_state(vcpu);
+
+ if (vgic_supports_direct_msis(vcpu->kvm))
+ vgic_v4_commit(vcpu);
}
void kvm_vgic_load(struct kvm_vcpu *vcpu)
diff --git a/arch/arm64/lib/clear_page.S b/arch/arm64/lib/clear_page.S
index 073acbf..b84b179 100644
--- a/arch/arm64/lib/clear_page.S
+++ b/arch/arm64/lib/clear_page.S
@@ -14,7 +14,7 @@
* Parameters:
* x0 - dest
*/
-SYM_FUNC_START(clear_page)
+SYM_FUNC_START_PI(clear_page)
mrs x1, dczid_el0
and w1, w1, #0xf
mov x2, #4
@@ -25,5 +25,5 @@
tst x0, #(PAGE_SIZE - 1)
b.ne 1b
ret
-SYM_FUNC_END(clear_page)
+SYM_FUNC_END_PI(clear_page)
EXPORT_SYMBOL(clear_page)
diff --git a/arch/arm64/lib/copy_page.S b/arch/arm64/lib/copy_page.S
index e7a79396..29144f4 100644
--- a/arch/arm64/lib/copy_page.S
+++ b/arch/arm64/lib/copy_page.S
@@ -17,7 +17,7 @@
* x0 - dest
* x1 - src
*/
-SYM_FUNC_START(copy_page)
+SYM_FUNC_START_PI(copy_page)
alternative_if ARM64_HAS_NO_HW_PREFETCH
// Prefetch three cache lines ahead.
prfm pldl1strm, [x1, #128]
@@ -75,5 +75,5 @@
stnp x16, x17, [x0, #112 - 256]
ret
-SYM_FUNC_END(copy_page)
+SYM_FUNC_END_PI(copy_page)
EXPORT_SYMBOL(copy_page)
diff --git a/arch/arm64/lib/mte.S b/arch/arm64/lib/mte.S
index 03ca6d8..ebb6337 100644
--- a/arch/arm64/lib/mte.S
+++ b/arch/arm64/lib/mte.S
@@ -4,7 +4,7 @@
*/
#include <linux/linkage.h>
-#include <asm/alternative.h>
+#include <asm/asm-uaccess.h>
#include <asm/assembler.h>
#include <asm/mte.h>
#include <asm/page.h>
@@ -37,6 +37,26 @@
SYM_FUNC_END(mte_clear_page_tags)
/*
+ * Zero the page and tags at the same time
+ *
+ * Parameters:
+ * x0 - address to the beginning of the page
+ */
+SYM_FUNC_START(mte_zero_clear_page_tags)
+ mrs x1, dczid_el0
+ and w1, w1, #0xf
+ mov x2, #4
+ lsl x1, x2, x1
+ and x0, x0, #(1 << MTE_TAG_SHIFT) - 1 // clear the tag
+
+1: dc gzva, x0
+ add x0, x0, x1
+ tst x0, #(PAGE_SIZE - 1)
+ b.ne 1b
+ ret
+SYM_FUNC_END(mte_zero_clear_page_tags)
+
+/*
* Copy the tags from the source page to the destination one
* x0 - address of the destination page
* x1 - address of the source page
diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c
index 70a71f3..b5447e5 100644
--- a/arch/arm64/mm/copypage.c
+++ b/arch/arm64/mm/copypage.c
@@ -23,6 +23,15 @@ void copy_highpage(struct page *to, struct page *from)
if (system_supports_mte() && test_bit(PG_mte_tagged, &from->flags)) {
set_bit(PG_mte_tagged, &to->flags);
+ page_kasan_tag_reset(to);
+ /*
+ * We need smp_wmb() in between setting the flags and clearing the
+ * tags because if another thread reads page->flags and builds a
+ * tagged address out of it, there is an actual dependency to the
+ * memory access, but on the current thread we do not guarantee that
+ * the new page->flags are visible before the tags were updated.
+ */
+ smp_wmb();
mte_copy_page_tags(kto, kfrom);
}
}
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 93e87b2..c834a64 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -10,6 +10,7 @@
#include <linux/dma-iommu.h>
#include <xen/xen.h>
#include <xen/swiotlb-xen.h>
+#include <trace/hooks/iommu.h>
#include <asm/cacheflush.h>
@@ -49,8 +50,10 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
ARCH_DMA_MINALIGN, cls);
dev->dma_coherent = coherent;
- if (iommu)
+ if (iommu) {
iommu_setup_dma_ops(dev, dma_base, size);
+ trace_android_vh_iommu_setup_dma_ops(dev, dma_base, size);
+ }
#ifdef CONFIG_XEN
if (xen_initial_domain())
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 795d224..3780673 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -10,10 +10,12 @@
#include <linux/acpi.h>
#include <linux/bitfield.h>
#include <linux/extable.h>
+#include <linux/kfence.h>
#include <linux/signal.h>
#include <linux/mm.h>
#include <linux/hardirq.h>
#include <linux/init.h>
+#include <linux/kasan.h>
#include <linux/kprobes.h>
#include <linux/uaccess.h>
#include <linux/page-flags.h>
@@ -33,14 +35,17 @@
#include <asm/debug-monitors.h>
#include <asm/esr.h>
#include <asm/kprobes.h>
+#include <asm/mte.h>
#include <asm/processor.h>
#include <asm/sysreg.h>
#include <asm/system_misc.h>
#include <asm/tlbflush.h>
#include <asm/traps.h>
+#include <trace/hooks/fault.h>
+
struct fault_info {
- int (*fn)(unsigned long addr, unsigned int esr,
+ int (*fn)(unsigned long far, unsigned int esr,
struct pt_regs *regs);
int sig;
int code;
@@ -288,6 +293,7 @@ static void die_kernel_fault(const char *msg, unsigned long addr,
pr_alert("Unable to handle kernel %s at virtual address %016lx\n", msg,
addr);
+ trace_android_rvh_die_kernel_fault(regs, esr, addr, msg);
mem_abort_decode(esr);
show_pte(addr);
@@ -296,6 +302,65 @@ static void die_kernel_fault(const char *msg, unsigned long addr,
do_exit(SIGKILL);
}
+#ifdef CONFIG_KASAN_HW_TAGS
+static void report_tag_fault(unsigned long addr, unsigned int esr,
+ struct pt_regs *regs)
+{
+ static bool reported;
+ bool is_write;
+
+ if (READ_ONCE(reported))
+ return;
+
+ /*
+ * This is used for KASAN tests and assumes that no MTE faults
+ * happened before running the tests.
+ */
+ if (mte_report_once())
+ WRITE_ONCE(reported, true);
+
+ /*
+ * SAS bits aren't set for all faults reported in EL1, so we can't
+ * find out access size.
+ */
+ is_write = !!(esr & ESR_ELx_WNR);
+ kasan_report(addr, 0, is_write, regs->pc);
+}
+#else
+/* Tag faults aren't enabled without CONFIG_KASAN_HW_TAGS. */
+static inline void report_tag_fault(unsigned long addr, unsigned int esr,
+ struct pt_regs *regs) { }
+#endif
+
+static void do_tag_recovery(unsigned long addr, unsigned int esr,
+ struct pt_regs *regs)
+{
+
+ report_tag_fault(addr, esr, regs);
+
+ /*
+ * Disable MTE Tag Checking on the local CPU for the current EL.
+ * It will be done lazily on the other CPUs when they will hit a
+ * tag fault.
+ */
+ sysreg_clear_set(sctlr_el1, SCTLR_ELx_TCF_MASK, SCTLR_ELx_TCF_NONE);
+ isb();
+}
+
+static bool is_el1_mte_sync_tag_check_fault(unsigned int esr)
+{
+ unsigned int ec = ESR_ELx_EC(esr);
+ unsigned int fsc = esr & ESR_ELx_FSC;
+
+ if (ec != ESR_ELx_EC_DABT_CUR)
+ return false;
+
+ if (fsc == ESR_ELx_FSC_MTE)
+ return true;
+
+ return false;
+}
+
static void __do_kernel_fault(unsigned long addr, unsigned int esr,
struct pt_regs *regs)
{
@@ -312,6 +377,12 @@ static void __do_kernel_fault(unsigned long addr, unsigned int esr,
"Ignoring spurious kernel translation fault at virtual address %016lx\n", addr))
return;
+ if (is_el1_mte_sync_tag_check_fault(esr)) {
+ do_tag_recovery(addr, esr, regs);
+
+ return;
+ }
+
if (is_el1_permission_fault(addr, esr, regs)) {
if (esr & ESR_ELx_WNR)
msg = "write to read-only memory";
@@ -322,6 +393,9 @@ static void __do_kernel_fault(unsigned long addr, unsigned int esr,
} else if (addr < PAGE_SIZE) {
msg = "NULL pointer dereference";
} else {
+ if (kfence_handle_page_fault(addr, esr & ESR_ELx_WNR, regs))
+ return;
+
msg = "paging request";
}
@@ -385,8 +459,11 @@ static void set_thread_esr(unsigned long address, unsigned int esr)
current->thread.fault_code = esr;
}
-static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+static void do_bad_area(unsigned long far, unsigned int esr,
+ struct pt_regs *regs)
{
+ unsigned long addr = untagged_addr(far);
+
/*
* If we are in kernel mode at this point, we have no context to
* handle this fault with.
@@ -395,8 +472,7 @@ static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *re
const struct fault_info *inf = esr_to_fault_info(esr);
set_thread_esr(addr, esr);
- arm64_force_sig_fault(inf->sig, inf->code, (void __user *)addr,
- inf->name);
+ arm64_force_sig_fault(inf->sig, inf->code, far, inf->name);
} else {
__do_kernel_fault(addr, esr, regs);
}
@@ -405,11 +481,10 @@ static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *re
#define VM_FAULT_BADMAP 0x010000
#define VM_FAULT_BADACCESS 0x020000
-static vm_fault_t __do_page_fault(struct mm_struct *mm, unsigned long addr,
+static int __do_page_fault(struct vm_area_struct *vma, unsigned long addr,
unsigned int mm_flags, unsigned long vm_flags,
struct pt_regs *regs)
{
- struct vm_area_struct *vma = find_vma(mm, addr);
if (unlikely(!vma))
return VM_FAULT_BADMAP;
@@ -448,7 +523,7 @@ static bool is_write_abort(unsigned int esr)
return (esr & ESR_ELx_WNR) && !(esr & ESR_ELx_CM);
}
-static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
+static int __kprobes do_page_fault(unsigned long far, unsigned int esr,
struct pt_regs *regs)
{
const struct fault_info *inf;
@@ -456,6 +531,8 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
vm_fault_t fault;
unsigned long vm_flags = VM_ACCESS_FLAGS;
unsigned int mm_flags = FAULT_FLAG_DEFAULT;
+ struct vm_area_struct *vma = NULL;
+ unsigned long addr = untagged_addr(far);
if (kprobe_page_fault(regs, esr))
return 0;
@@ -496,6 +573,14 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, addr);
/*
+ * let's try a speculative page fault without grabbing the
+ * mmap_sem.
+ */
+ fault = handle_speculative_fault(mm, addr, mm_flags, &vma, regs);
+ if (fault != VM_FAULT_RETRY)
+ goto done;
+
+ /*
* As per x86, we may deadlock here. However, since the kernel only
* validly references user space from well defined areas of the code,
* we can bug out early if this is from code which shouldn't.
@@ -519,7 +604,9 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
#endif
}
- fault = __do_page_fault(mm, addr, mm_flags, vm_flags, regs);
+ if (!vma || !can_reuse_spf_vma(vma, addr))
+ vma = find_vma(mm, addr);
+ fault = __do_page_fault(vma, addr, mm_flags, vm_flags, regs);
/* Quick path to respond to signals */
if (fault_signal_pending(fault, regs)) {
@@ -531,11 +618,20 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
if (fault & VM_FAULT_RETRY) {
if (mm_flags & FAULT_FLAG_ALLOW_RETRY) {
mm_flags |= FAULT_FLAG_TRIED;
+
+ /*
+ * Do not try to reuse this vma and fetch it
+ * again since we will release the mmap_sem.
+ */
+ vma = NULL;
+
goto retry;
}
}
mmap_read_unlock(mm);
+done:
+
/*
* Handle the "normal" (no error) case first.
*/
@@ -567,8 +663,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
* We had some memory, but were unable to successfully fix up
* this page fault.
*/
- arm64_force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)addr,
- inf->name);
+ arm64_force_sig_fault(SIGBUS, BUS_ADRERR, far, inf->name);
} else if (fault & (VM_FAULT_HWPOISON_LARGE | VM_FAULT_HWPOISON)) {
unsigned int lsb;
@@ -576,8 +671,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
if (fault & VM_FAULT_HWPOISON_LARGE)
lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
- arm64_force_sig_mceerr(BUS_MCEERR_AR, (void __user *)addr, lsb,
- inf->name);
+ arm64_force_sig_mceerr(BUS_MCEERR_AR, far, lsb, inf->name);
} else {
/*
* Something tried to access memory that isn't in our memory
@@ -585,8 +679,7 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
*/
arm64_force_sig_fault(SIGSEGV,
fault == VM_FAULT_BADACCESS ? SEGV_ACCERR : SEGV_MAPERR,
- (void __user *)addr,
- inf->name);
+ far, inf->name);
}
return 0;
@@ -596,33 +689,35 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr,
return 0;
}
-static int __kprobes do_translation_fault(unsigned long addr,
+static int __kprobes do_translation_fault(unsigned long far,
unsigned int esr,
struct pt_regs *regs)
{
- if (is_ttbr0_addr(addr))
- return do_page_fault(addr, esr, regs);
+ unsigned long addr = untagged_addr(far);
- do_bad_area(addr, esr, regs);
+ if (is_ttbr0_addr(addr))
+ return do_page_fault(far, esr, regs);
+
+ do_bad_area(far, esr, regs);
return 0;
}
-static int do_alignment_fault(unsigned long addr, unsigned int esr,
+static int do_alignment_fault(unsigned long far, unsigned int esr,
struct pt_regs *regs)
{
- do_bad_area(addr, esr, regs);
+ do_bad_area(far, esr, regs);
return 0;
}
-static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+static int do_bad(unsigned long far, unsigned int esr, struct pt_regs *regs)
{
return 1; /* "fault" */
}
-static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+static int do_sea(unsigned long far, unsigned int esr, struct pt_regs *regs)
{
const struct fault_info *inf;
- void __user *siaddr;
+ unsigned long siaddr;
inf = esr_to_fault_info(esr);
@@ -634,19 +729,32 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
return 0;
}
- if (esr & ESR_ELx_FnV)
- siaddr = NULL;
- else
- siaddr = (void __user *)addr;
+ if (esr & ESR_ELx_FnV) {
+ siaddr = 0;
+ } else {
+ /*
+ * The architecture specifies that the tag bits of FAR_EL1 are
+ * UNKNOWN for synchronous external aborts. Mask them out now
+ * so that userspace doesn't see them.
+ */
+ siaddr = untagged_addr(far);
+ }
+ trace_android_rvh_do_sea(regs, esr, siaddr, inf->name);
arm64_notify_die(inf->name, regs, inf->sig, inf->code, siaddr, esr);
return 0;
}
-static int do_tag_check_fault(unsigned long addr, unsigned int esr,
+static int do_tag_check_fault(unsigned long far, unsigned int esr,
struct pt_regs *regs)
{
- do_bad_area(addr, esr, regs);
+ /*
+ * The architecture specifies that bits 63:60 of FAR_EL1 are UNKNOWN
+ * for tag check faults. Set them to corresponding bits in the untagged
+ * address.
+ */
+ far = (__untagged_addr(far) & ~MTE_TAG_MASK) | (far & MTE_TAG_MASK);
+ do_bad_area(far, esr, regs);
return 0;
}
@@ -717,21 +825,27 @@ static const struct fault_info fault_info[] = {
{ do_bad, SIGKILL, SI_KERNEL, "unknown 63" },
};
-void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs)
+void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs)
{
const struct fault_info *inf = esr_to_fault_info(esr);
+ unsigned long addr = untagged_addr(far);
- if (!inf->fn(addr, esr, regs))
+ if (!inf->fn(far, esr, regs))
return;
if (!user_mode(regs)) {
pr_alert("Unhandled fault at 0x%016lx\n", addr);
+ trace_android_rvh_do_mem_abort(regs, esr, addr, inf->name);
mem_abort_decode(esr);
show_pte(addr);
}
- arm64_notify_die(inf->name, regs,
- inf->sig, inf->code, (void __user *)addr, esr);
+ /*
+ * At this point we have an unrecognized fault type whose tag bits may
+ * have been defined as UNKNOWN. Therefore we only expose the untagged
+ * address to the signal handler.
+ */
+ arm64_notify_die(inf->name, regs, inf->sig, inf->code, addr, esr);
}
NOKPROBE_SYMBOL(do_mem_abort);
@@ -744,8 +858,10 @@ NOKPROBE_SYMBOL(do_el0_irq_bp_hardening);
void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs)
{
- arm64_notify_die("SP/PC alignment exception", regs,
- SIGBUS, BUS_ADRALN, (void __user *)addr, esr);
+ trace_android_rvh_do_sp_pc_abort(regs, esr, addr, user_mode(regs));
+
+ arm64_notify_die("SP/PC alignment exception", regs, SIGBUS, BUS_ADRALN,
+ addr, esr);
}
NOKPROBE_SYMBOL(do_sp_pc_abort);
@@ -846,10 +962,35 @@ void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
arm64_apply_bp_hardening();
if (inf->fn(addr_if_watchpoint, esr, regs)) {
- arm64_notify_die(inf->name, regs,
- inf->sig, inf->code, (void __user *)pc, esr);
+ arm64_notify_die(inf->name, regs, inf->sig, inf->code, pc, esr);
}
debug_exception_exit(regs);
}
NOKPROBE_SYMBOL(do_debug_exception);
+
+/*
+ * Used during anonymous page fault handling.
+ */
+struct page *alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
+ unsigned long vaddr)
+{
+ gfp_t flags = GFP_HIGHUSER_MOVABLE | __GFP_ZERO | __GFP_CMA;
+
+ /*
+ * If the page is mapped with PROT_MTE, initialise the tags at the
+ * point of allocation and page zeroing as this is usually faster than
+ * separate DC ZVA and STGM.
+ */
+ if (vma->vm_flags & VM_MTE)
+ flags |= __GFP_ZEROTAGS;
+
+ return alloc_page_vma(flags, vma, vaddr);
+}
+
+void tag_clear_highpage(struct page *page)
+{
+ mte_zero_clear_page_tags(page_address(page));
+ page_kasan_tag_reset(page);
+ set_bit(PG_mte_tagged, &page->flags);
+}
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 99cd6e7..54009d4 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -252,7 +252,7 @@ void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
set_pte(ptep, pte);
}
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz)
{
pgd_t *pgdp;
@@ -284,9 +284,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
*/
ptep = pte_alloc_map(mm, pmdp, addr);
} else if (sz == PMD_SIZE) {
- if (IS_ENABLED(CONFIG_ARCH_WANT_HUGE_PMD_SHARE) &&
- pud_none(READ_ONCE(*pudp)))
- ptep = huge_pmd_share(mm, addr, pudp);
+ if (want_pmd_share(vma, addr) && pud_none(READ_ONCE(*pudp)))
+ ptep = huge_pmd_share(mm, vma, addr, pudp);
else
ptep = (pte_t *)pmd_alloc(mm, pudp, addr);
} else if (sz == (CONT_PMD_SIZE)) {
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index c0a7f0d..33d93f8 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -35,6 +35,7 @@
#include <asm/fixmap.h>
#include <asm/kasan.h>
#include <asm/kernel-pgtable.h>
+#include <asm/kvm_host.h>
#include <asm/memory.h>
#include <asm/numa.h>
#include <asm/sections.h>
@@ -61,6 +62,12 @@ EXPORT_SYMBOL(memstart_addr);
*/
phys_addr_t arm64_dma_phys_limit __ro_after_init;
+/*
+ * Provide a run-time mean of disabling ZONE_DMA32 if it is enabled via
+ * CONFIG_ZONE_DMA32.
+ */
+static bool disable_dma32 __ro_after_init;
+
#ifdef CONFIG_KEXEC_CORE
/*
* reserve_crashkernel() - reserves memory for crash kernel
@@ -206,7 +213,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
max_zone_pfns[ZONE_DMA] = PFN_DOWN(arm64_dma_phys_limit);
#endif
#ifdef CONFIG_ZONE_DMA32
- max_zone_pfns[ZONE_DMA32] = PFN_DOWN(dma32_phys_limit);
+ max_zone_pfns[ZONE_DMA32] = disable_dma32 ? 0 : PFN_DOWN(dma32_phys_limit);
if (!arm64_dma_phys_limit)
arm64_dma_phys_limit = dma32_phys_limit;
#endif
@@ -217,6 +224,18 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
free_area_init(max_zone_pfns);
}
+static int __init early_disable_dma32(char *buf)
+{
+ if (!buf)
+ return -EINVAL;
+
+ if (!strcmp(buf, "on"))
+ disable_dma32 = true;
+
+ return 0;
+}
+early_param("disable_dma32", early_disable_dma32);
+
int pfn_valid(unsigned long pfn)
{
phys_addr_t addr = pfn << PAGE_SHIFT;
@@ -377,15 +396,18 @@ void __init arm64_memblock_init(void)
if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
extern u16 memstart_offset_seed;
- u64 range = linear_region_size -
- (memblock_end_of_DRAM() - memblock_start_of_DRAM());
+ u64 mmfr0 = read_cpuid(ID_AA64MMFR0_EL1);
+ int parange = cpuid_feature_extract_unsigned_field(
+ mmfr0, ID_AA64MMFR0_PARANGE_SHIFT);
+ s64 range = linear_region_size -
+ BIT(id_aa64mmfr0_parange_to_phys_shift(parange));
/*
* If the size of the linear region exceeds, by a sufficient
- * margin, the size of the region that the available physical
- * memory spans, randomize the linear region as well.
+ * margin, the size of the region that the physical memory can
+ * span, randomize the linear region as well.
*/
- if (memstart_offset_seed > 0 && range >= ARM64_MEMSTART_ALIGN) {
+ if (memstart_offset_seed > 0 && range >= (s64)ARM64_MEMSTART_ALIGN) {
range /= ARM64_MEMSTART_ALIGN;
memstart_addr -= ARM64_MEMSTART_ALIGN *
((range * memstart_offset_seed) >> 16);
@@ -435,6 +457,8 @@ void __init bootmem_init(void)
dma_pernuma_cma_reserve();
+ kvm_hyp_reserve();
+
/*
* sparse_init() tries to allocate memory from memblock, so must be
* done after the fixed reservations
diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index b24e43d..1cc2cde 100644
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -21,6 +21,8 @@
#include <asm/sections.h>
#include <asm/tlbflush.h>
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+
static pgd_t tmp_pg_dir[PTRS_PER_PGD] __initdata __aligned(PGD_SIZE);
/*
@@ -208,19 +210,22 @@ static void __init clear_pgds(unsigned long start,
set_pgd(pgd_offset_k(start), __pgd(0));
}
-void __init kasan_init(void)
+static void __init kasan_init_shadow(void)
{
u64 kimg_shadow_start, kimg_shadow_end;
u64 mod_shadow_start, mod_shadow_end;
+ u64 vmalloc_shadow_end;
phys_addr_t pa_start, pa_end;
u64 i;
- kimg_shadow_start = (u64)kasan_mem_to_shadow(_text) & PAGE_MASK;
- kimg_shadow_end = PAGE_ALIGN((u64)kasan_mem_to_shadow(_end));
+ kimg_shadow_start = (u64)kasan_mem_to_shadow(KERNEL_START) & PAGE_MASK;
+ kimg_shadow_end = PAGE_ALIGN((u64)kasan_mem_to_shadow(KERNEL_END));
mod_shadow_start = (u64)kasan_mem_to_shadow((void *)MODULES_VADDR);
mod_shadow_end = (u64)kasan_mem_to_shadow((void *)MODULES_END);
+ vmalloc_shadow_end = (u64)kasan_mem_to_shadow((void *)VMALLOC_END);
+
/*
* We are going to perform proper setup of shadow memory.
* At first we should unmap early shadow (clear_pgds() call below).
@@ -235,16 +240,22 @@ void __init kasan_init(void)
clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END);
kasan_map_populate(kimg_shadow_start, kimg_shadow_end,
- early_pfn_to_nid(virt_to_pfn(lm_alias(_text))));
+ early_pfn_to_nid(virt_to_pfn(lm_alias(KERNEL_START))));
kasan_populate_early_shadow(kasan_mem_to_shadow((void *)PAGE_END),
(void *)mod_shadow_start);
- kasan_populate_early_shadow((void *)kimg_shadow_end,
- (void *)KASAN_SHADOW_END);
- if (kimg_shadow_start > mod_shadow_end)
- kasan_populate_early_shadow((void *)mod_shadow_end,
- (void *)kimg_shadow_start);
+ if (IS_ENABLED(CONFIG_KASAN_VMALLOC)) {
+ BUILD_BUG_ON(VMALLOC_START != MODULES_END);
+ kasan_populate_early_shadow((void *)vmalloc_shadow_end,
+ (void *)KASAN_SHADOW_END);
+ } else {
+ kasan_populate_early_shadow((void *)kimg_shadow_end,
+ (void *)KASAN_SHADOW_END);
+ if (kimg_shadow_start > mod_shadow_end)
+ kasan_populate_early_shadow((void *)mod_shadow_end,
+ (void *)kimg_shadow_start);
+ }
for_each_mem_range(i, &pa_start, &pa_end) {
void *start = (void *)__phys_to_virt(pa_start);
@@ -269,8 +280,21 @@ void __init kasan_init(void)
memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE);
cpu_replace_ttbr1(lm_alias(swapper_pg_dir));
-
- /* At this point kasan is fully initialized. Enable error messages */
- init_task.kasan_depth = 0;
- pr_info("KernelAddressSanitizer initialized\n");
}
+
+static void __init kasan_init_depth(void)
+{
+ init_task.kasan_depth = 0;
+}
+
+void __init kasan_init(void)
+{
+ kasan_init_shadow();
+ kasan_init_depth();
+#if defined(CONFIG_KASAN_GENERIC)
+ /* CONFIG_KASAN_SW_TAGS also requires kasan_init_sw_tags(). */
+ pr_info("KernelAddressSanitizer initialized\n");
+#endif
+}
+
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 2601a51..542f14c 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -492,7 +492,8 @@ static void __init map_mem(pgd_t *pgdp)
int flags = 0;
u64 i;
- if (rodata_full || crash_mem_map || debug_pagealloc_enabled())
+ if (rodata_full || crash_mem_map || debug_pagealloc_enabled() ||
+ IS_ENABLED(CONFIG_KFENCE))
flags = NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
/*
@@ -629,7 +630,7 @@ static bool arm64_early_this_cpu_has_bti(void)
if (!IS_ENABLED(CONFIG_ARM64_BTI_KERNEL))
return false;
- pfr1 = read_sysreg_s(SYS_ID_AA64PFR1_EL1);
+ pfr1 = __read_sysreg_by_encoding(SYS_ID_AA64PFR1_EL1);
return cpuid_feature_extract_unsigned_field(pfr1,
ID_AA64PFR1_BT_SHIFT);
}
@@ -1128,8 +1129,11 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
void *p = NULL;
p = vmemmap_alloc_block_buf(PMD_SIZE, node, altmap);
- if (!p)
- return -ENOMEM;
+ if (!p) {
+ if (vmemmap_populate_basepages(addr, next, node, altmap))
+ return -ENOMEM;
+ continue;
+ }
pmd_set_huge(pmdp, __pa(p), __pgprot(PROT_SECT_NORMAL));
} else
@@ -1478,7 +1482,12 @@ int arch_add_memory(int nid, u64 start, u64 size,
return -EINVAL;
}
- if (rodata_full || debug_pagealloc_enabled())
+ /*
+ * KFENCE requires linear map to be mapped at page granularity, so that
+ * it is possible to protect/unprotect single pages in the KFENCE pool.
+ */
+ if (rodata_full || debug_pagealloc_enabled() ||
+ IS_ENABLED(CONFIG_KFENCE))
flags = NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
__create_pgd_mapping(swapper_pg_dir, start, __phys_to_virt(start),
@@ -1510,6 +1519,71 @@ void arch_remove_memory(int nid, u64 start, u64 size,
__remove_pgd_mapping(swapper_pg_dir, __phys_to_virt(start), size);
}
+int check_range_driver_managed(u64 start, u64 size, const char *resource_name)
+{
+ struct mem_section *ms;
+ unsigned long pfn = __phys_to_pfn(start);
+ unsigned long end_pfn = __phys_to_pfn(start + size);
+ struct resource *res;
+ unsigned long flags;
+
+ res = lookup_resource(&iomem_resource, start);
+ if (!res) {
+ pr_err("%s: couldn't find memory resource for start 0x%llx\n",
+ __func__, start);
+ return -EINVAL;
+ }
+
+ flags = res->flags;
+
+ if (!(flags & IORESOURCE_SYSRAM_DRIVER_MANAGED) ||
+ strstr(resource_name, "System RAM (") != resource_name)
+ return -EINVAL;
+
+ for (; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
+ ms = __pfn_to_section(pfn);
+ if (early_section(ms))
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int populate_range_driver_managed(u64 start, u64 size,
+ const char *resource_name)
+{
+ unsigned long virt = (unsigned long)phys_to_virt(start);
+ int flags = 0;
+
+ if (check_range_driver_managed(start, size, resource_name))
+ return -EINVAL;
+
+ /*
+ * When rodata_full is enabled, memory is mapped at page size granule,
+ * as opposed to block mapping.
+ */
+ if (rodata_full || debug_pagealloc_enabled())
+ flags = NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
+
+ __create_pgd_mapping(init_mm.pgd, start, virt, size,
+ PAGE_KERNEL, NULL, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(populate_range_driver_managed);
+
+int depopulate_range_driver_managed(u64 start, u64 size,
+ const char *resource_name)
+{
+ if (check_range_driver_managed(start, size, resource_name))
+ return -EINVAL;
+
+ unmap_hotplug_range(start, start + size, false, NULL);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(depopulate_range_driver_managed);
+
/*
* This memory hotplug notifier helps prevent boot memory from being
* inadvertently removed as it blocks pfn range offlining process in
diff --git a/arch/arm64/mm/mteswap.c b/arch/arm64/mm/mteswap.c
index c52c184..7c4ef56 100644
--- a/arch/arm64/mm/mteswap.c
+++ b/arch/arm64/mm/mteswap.c
@@ -53,6 +53,15 @@ bool mte_restore_tags(swp_entry_t entry, struct page *page)
if (!tags)
return false;
+ page_kasan_tag_reset(page);
+ /*
+ * We need smp_wmb() in between setting the flags and clearing the
+ * tags because if another thread reads page->flags and builds a
+ * tagged address out of it, there is an actual dependency to the
+ * memory access, but on the current thread we do not guarantee that
+ * the new page->flags are visible before the tags were updated.
+ */
+ smp_wmb();
mte_restore_page_tags(page_address(page), tags);
return true;
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index aacc7ea..c188a9e 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -40,9 +40,19 @@
#define TCR_CACHE_FLAGS TCR_IRGN_WBWA | TCR_ORGN_WBWA
#ifdef CONFIG_KASAN_SW_TAGS
-#define TCR_KASAN_FLAGS TCR_TBI1
+#define TCR_KASAN_SW_FLAGS TCR_TBI1 | TCR_TBID1
#else
-#define TCR_KASAN_FLAGS 0
+#define TCR_KASAN_SW_FLAGS 0
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+#define TCR_MTE_FLAGS SYS_TCR_EL1_TCMA1 | TCR_TBI1 | TCR_TBID1
+#else
+/*
+ * The mte_zero_clear_page_tags() implementation uses DC GZVA, which relies on
+ * TBI being enabled at EL1.
+ */
+#define TCR_MTE_FLAGS TCR_TBI1 | TCR_TBID1
#endif
/*
@@ -56,7 +66,8 @@
MAIR_ATTRIDX(MAIR_ATTR_NORMAL_NC, MT_NORMAL_NC) | \
MAIR_ATTRIDX(MAIR_ATTR_NORMAL, MT_NORMAL) | \
MAIR_ATTRIDX(MAIR_ATTR_NORMAL_WT, MT_NORMAL_WT) | \
- MAIR_ATTRIDX(MAIR_ATTR_NORMAL, MT_NORMAL_TAGGED))
+ MAIR_ATTRIDX(MAIR_ATTR_NORMAL, MT_NORMAL_TAGGED) | \
+ MAIR_ATTRIDX(MAIR_ATTR_NORMAL_iNC_oWB, MT_NORMAL_iNC_oWB))
#ifdef CONFIG_CPU_PM
/**
@@ -285,17 +296,7 @@
/* We're done: fire up the MMU again */
mrs x17, sctlr_el1
orr x17, x17, #SCTLR_ELx_M
- msr sctlr_el1, x17
- isb
-
- /*
- * Invalidate the local I-cache so that any instructions fetched
- * speculatively from the PoC are discarded, since they may have
- * been dynamically patched at the PoU.
- */
- ic iallu
- dsb nsh
- isb
+ set_sctlr_el1 x17
/* Set the flag to zero to indicate that we're all done */
str wzr, [flag_ptr]
@@ -427,6 +428,10 @@
*/
mov_q x5, MAIR_EL1_SET
#ifdef CONFIG_ARM64_MTE
+ mte_tcr .req x20
+
+ mov mte_tcr, #0
+
/*
* Update MAIR_EL1, GCR_EL1 and TFSR*_EL1 if MTE is supported
* (ID_AA64PFR1_EL1[11:8] > 1).
@@ -440,8 +445,7 @@
mov x10, #MAIR_ATTR_NORMAL_TAGGED
bfi x5, x10, #(8 * MT_NORMAL_TAGGED), #8
- /* initialize GCR_EL1: all non-zero tags excluded by default */
- mov x10, #(SYS_GCR_EL1_RRND | SYS_GCR_EL1_EXCL_MASK)
+ mov x10, #KERNEL_GCR_EL1
msr_s SYS_GCR_EL1, x10
/*
@@ -459,16 +463,23 @@
/* clear any pending tag check faults in TFSR*_EL1 */
msr_s SYS_TFSR_EL1, xzr
msr_s SYS_TFSRE0_EL1, xzr
+
+ /* set the TCR_EL1 bits */
+ mov_q mte_tcr, TCR_MTE_FLAGS
1:
#endif
msr mair_el1, x5
/*
- * Set/prepare TCR and TTBR. We use 512GB (39-bit) address range for
- * both user and kernel.
+ * Set/prepare TCR and TTBR. TCR_EL1.T1SZ gets further
+ * adjusted if the kernel is compiled with 52bit VA support.
*/
mov_q x10, TCR_TxSZ(VA_BITS) | TCR_CACHE_FLAGS | TCR_SMP_FLAGS | \
TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \
- TCR_TBI0 | TCR_A1 | TCR_KASAN_FLAGS
+ TCR_TBI0 | TCR_A1 | TCR_KASAN_SW_FLAGS
+#ifdef CONFIG_ARM64_MTE
+ orr x10, x10, mte_tcr
+ .unreq mte_tcr
+#endif
tcr_clear_errata_bits x10, x9, x5
#ifdef CONFIG_ARM64_VA_BITS_52
@@ -501,6 +512,6 @@
/*
* Prepare SCTLR
*/
- mov_q x0, SCTLR_EL1_SET
+ mov_q x0, INIT_SCTLR_EL1_MMU_ON
ret // return to head.S
SYM_FUNC_END(__cpu_setup)
diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c
index 807dc63..04137a8 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -29,7 +29,7 @@
enum address_markers_idx {
PAGE_OFFSET_NR = 0,
PAGE_END_NR,
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
KASAN_START_NR,
#endif
};
@@ -37,7 +37,7 @@ enum address_markers_idx {
static struct addr_marker address_markers[] = {
{ PAGE_OFFSET, "Linear Mapping start" },
{ 0 /* PAGE_END */, "Linear Mapping end" },
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
{ 0 /* KASAN_SHADOW_START */, "Kasan shadow start" },
{ KASAN_SHADOW_END, "Kasan shadow end" },
#endif
@@ -383,7 +383,7 @@ void ptdump_check_wx(void)
static int ptdump_init(void)
{
address_markers[PAGE_END_NR].start_address = PAGE_END;
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
address_markers[KASAN_START_NR].start_address = KASAN_SHADOW_START;
#endif
ptdump_initialize();
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index 064577f..dab899a 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -17,6 +17,7 @@
#include <asm/cacheflush.h>
#include <asm/debug-monitors.h>
#include <asm/set_memory.h>
+#include <trace/hooks/memory.h>
#include "bpf_jit.h"
@@ -1111,6 +1112,8 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
goto out_off;
}
bpf_jit_binary_lock_ro(header);
+ trace_android_vh_set_memory_ro((unsigned long)header, header->pages);
+ trace_android_vh_set_memory_x((unsigned long)header, header->pages);
} else {
jit_data->ctx = ctx;
jit_data->image = image_ptr;
diff --git a/arch/csky/include/asm/Kbuild b/arch/csky/include/asm/Kbuild
index 2a5a4d9..cc24bb8 100644
--- a/arch/csky/include/asm/Kbuild
+++ b/arch/csky/include/asm/Kbuild
@@ -3,6 +3,5 @@
generic-y += gpio.h
generic-y += kvm_para.h
generic-y += qrwlock.h
-generic-y += seccomp.h
generic-y += user.h
generic-y += vmlinux.lds.h
diff --git a/arch/csky/include/asm/seccomp.h b/arch/csky/include/asm/seccomp.h
new file mode 100644
index 0000000..d33e758
--- /dev/null
+++ b/arch/csky/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE AUDIT_ARCH_CSKY
+#define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME "csky"
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/h8300/include/uapi/asm/signal.h b/arch/h8300/include/uapi/asm/signal.h
index e155210..2cd0dce 100644
--- a/arch/h8300/include/uapi/asm/signal.h
+++ b/arch/h8300/include/uapi/asm/signal.h
@@ -57,30 +57,6 @@ typedef unsigned long sigset_t;
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
-#define SA_SIGINFO 0x00000004
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define SA_RESTORER 0x04000000
#define MINSIGSTKSZ 2048
diff --git a/arch/ia64/include/asm/page.h b/arch/ia64/include/asm/page.h
index b69a549..15b105e 100644
--- a/arch/ia64/include/asm/page.h
+++ b/arch/ia64/include/asm/page.h
@@ -82,16 +82,16 @@ do { \
} while (0)
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
({ \
struct page *page = alloc_page_vma( \
- GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr); \
+ GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vaddr); \
if (page) \
flush_dcache_page(page); \
page; \
})
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
diff --git a/arch/ia64/include/uapi/asm/signal.h b/arch/ia64/include/uapi/asm/signal.h
index aa98ff1..38166a8 100644
--- a/arch/ia64/include/uapi/asm/signal.h
+++ b/arch/ia64/include/uapi/asm/signal.h
@@ -53,30 +53,6 @@
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002
-#define SA_SIGINFO 0x00000004
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define SA_RESTORER 0x04000000
/*
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index b331f94..f993cb3 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -25,7 +25,8 @@ unsigned int hpage_shift = HPAGE_SHIFT_DEFAULT;
EXPORT_SYMBOL(hpage_shift);
pte_t *
-huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz)
+huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr, unsigned long sz)
{
unsigned long taddr = htlbpage_to_page(addr);
pgd_t *pgd;
diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h
index 6bbe520..56f1b13 100644
--- a/arch/m68k/include/asm/page_no.h
+++ b/arch/m68k/include/asm/page_no.h
@@ -13,9 +13,9 @@ extern unsigned long memory_end;
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
- alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
#define __pa(vaddr) ((unsigned long)(vaddr))
#define __va(paddr) ((void *)((unsigned long)(paddr)))
diff --git a/arch/m68k/include/uapi/asm/signal.h b/arch/m68k/include/uapi/asm/signal.h
index 915cc75..4619291 100644
--- a/arch/m68k/include/uapi/asm/signal.h
+++ b/arch/m68k/include/uapi/asm/signal.h
@@ -57,30 +57,6 @@ typedef unsigned long sigset_t;
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002
-#define SA_SIGINFO 0x00000004
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
diff --git a/arch/mips/include/uapi/asm/signal.h b/arch/mips/include/uapi/asm/signal.h
index 53104b1..e6c78a1 100644
--- a/arch/mips/include/uapi/asm/signal.h
+++ b/arch/mips/include/uapi/asm/signal.h
@@ -62,18 +62,6 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */
#define SIGRTMAX _NSIG
/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- *
* SA_RESTORER used to be defined as 0x04000000 but only the O32 ABI ever
* supported its use and no libc was using it, so the entire sa-restorer
* functionality was removed with lmo commit 39bffc12c3580ab for 2.5.48
diff --git a/arch/mips/mm/hugetlbpage.c b/arch/mips/mm/hugetlbpage.c
index 77ffece..709e0bb 100644
--- a/arch/mips/mm/hugetlbpage.c
+++ b/arch/mips/mm/hugetlbpage.c
@@ -21,8 +21,8 @@
#include <asm/tlb.h>
#include <asm/tlbflush.h>
-pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr,
- unsigned long sz)
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
p4d_t *p4d;
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 14f3252..ecfd7af 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -61,6 +61,7 @@
select HAVE_KRETPROBES
select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1)
select HAVE_FTRACE_MCOUNT_RECORD if HAVE_DYNAMIC_FTRACE
+ select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE
select HAVE_KPROBES_ON_FTRACE
select HAVE_DYNAMIC_FTRACE_WITH_REGS
select SET_FS
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index a1bd2ad..4406475 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -4,5 +4,4 @@
generated-y += syscall_table_c32.h
generic-y += kvm_para.h
generic-y += mcs_spinlock.h
-generic-y += seccomp.h
generic-y += user.h
diff --git a/arch/parisc/include/asm/seccomp.h b/arch/parisc/include/asm/seccomp.h
new file mode 100644
index 0000000..b058b22
--- /dev/null
+++ b/arch/parisc/include/asm/seccomp.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#ifdef CONFIG_64BIT
+# define SECCOMP_ARCH_NATIVE AUDIT_ARCH_PARISC64
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "parisc64"
+# ifdef CONFIG_COMPAT
+# define SECCOMP_ARCH_COMPAT AUDIT_ARCH_PARISC
+# define SECCOMP_ARCH_COMPAT_NR NR_syscalls
+# define SECCOMP_ARCH_COMPAT_NAME "parisc"
+# endif
+#else /* !CONFIG_64BIT */
+# define SECCOMP_ARCH_NATIVE AUDIT_ARCH_PARISC
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "parisc"
+#endif
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/parisc/include/uapi/asm/signal.h b/arch/parisc/include/uapi/asm/signal.h
index e605197..e5a2657 100644
--- a/arch/parisc/include/uapi/asm/signal.h
+++ b/arch/parisc/include/uapi/asm/signal.h
@@ -41,19 +41,6 @@
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
#define SA_ONSTACK 0x00000001
#define SA_RESETHAND 0x00000004
#define SA_NOCLDSTOP 0x00000008
@@ -68,14 +55,7 @@
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
-
-#define SIG_BLOCK 0 /* for blocking signals */
-#define SIG_UNBLOCK 1 /* for unblocking signals */
-#define SIG_SETMASK 2 /* for setting the signal mask */
-
-#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
-#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
-#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
+#include <asm-generic/signal-defs.h>
# ifndef __ASSEMBLY__
@@ -84,18 +64,6 @@
/* Avoid too many header ordering problems. */
struct siginfo;
-/* Type of a signal handler. */
-#if defined(__LP64__)
-/* function pointers on 64-bit parisc are pointers to little structs and the
- * compiler doesn't support code which changes or tests the address of
- * the function in the little struct. This is really ugly -PB
- */
-typedef char __user *__sighandler_t;
-#else
-typedef void __signalfn_t(int);
-typedef __signalfn_t __user *__sighandler_t;
-#endif
-
typedef struct sigaltstack {
void __user *ss_sp;
int ss_flags;
diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c
index d7ba014..e141441 100644
--- a/arch/parisc/mm/hugetlbpage.c
+++ b/arch/parisc/mm/hugetlbpage.c
@@ -44,7 +44,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
}
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
diff --git a/arch/powerpc/include/asm/seccomp.h b/arch/powerpc/include/asm/seccomp.h
index 51209f6..ac2033f 100644
--- a/arch/powerpc/include/asm/seccomp.h
+++ b/arch/powerpc/include/asm/seccomp.h
@@ -8,4 +8,27 @@
#include <asm-generic/seccomp.h>
+#ifdef __LITTLE_ENDIAN__
+#define __SECCOMP_ARCH_LE __AUDIT_ARCH_LE
+#define __SECCOMP_ARCH_LE_NAME "le"
+#else
+#define __SECCOMP_ARCH_LE 0
+#define __SECCOMP_ARCH_LE_NAME
+#endif
+
+#ifdef CONFIG_PPC64
+# define SECCOMP_ARCH_NATIVE (AUDIT_ARCH_PPC64 | __SECCOMP_ARCH_LE)
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "ppc64" __SECCOMP_ARCH_LE_NAME
+# ifdef CONFIG_COMPAT
+# define SECCOMP_ARCH_COMPAT (AUDIT_ARCH_PPC | __SECCOMP_ARCH_LE)
+# define SECCOMP_ARCH_COMPAT_NR NR_syscalls
+# define SECCOMP_ARCH_COMPAT_NAME "ppc" __SECCOMP_ARCH_LE_NAME
+# endif
+#else /* !CONFIG_PPC64 */
+# define SECCOMP_ARCH_NATIVE (AUDIT_ARCH_PPC | __SECCOMP_ARCH_LE)
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "ppc" __SECCOMP_ARCH_LE_NAME
+#endif
+
#endif /* _ASM_POWERPC_SECCOMP_H */
diff --git a/arch/powerpc/include/uapi/asm/signal.h b/arch/powerpc/include/uapi/asm/signal.h
index 85b0a7a..04873dd 100644
--- a/arch/powerpc/include/uapi/asm/signal.h
+++ b/arch/powerpc/include/uapi/asm/signal.h
@@ -60,30 +60,6 @@ typedef struct {
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001U
-#define SA_NOCLDWAIT 0x00000002U
-#define SA_SIGINFO 0x00000004U
-#define SA_ONSTACK 0x08000000U
-#define SA_RESTART 0x10000000U
-#define SA_NODEFER 0x40000000U
-#define SA_RESETHAND 0x80000000U
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define SA_RESTORER 0x04000000U
#define MINSIGSTKSZ 2048
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 4a1f494..72fa3c0 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -311,6 +311,10 @@
#else
.data : AT(ADDR(.data) - LOAD_OFFSET) {
DATA_DATA
+#ifdef CONFIG_UBSAN
+ *(.data..Lubsan_data*)
+ *(.data..Lubsan_type*)
+#endif
*(.data.rel*)
*(.toc1)
*(.branch_lt)
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 36c3800..2514884 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -106,7 +106,8 @@ static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp,
* At this point we do the placement change only for BOOK3S 64. This would
* possibly work on other subarchs.
*/
-pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz)
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr, unsigned long sz)
{
pgd_t *pg;
p4d_t *p4;
diff --git a/arch/riscv/include/asm/seccomp.h b/arch/riscv/include/asm/seccomp.h
index bf7744e..c7ee6a3 100644
--- a/arch/riscv/include/asm/seccomp.h
+++ b/arch/riscv/include/asm/seccomp.h
@@ -7,4 +7,14 @@
#include <asm-generic/seccomp.h>
+#ifdef CONFIG_64BIT
+# define SECCOMP_ARCH_NATIVE AUDIT_ARCH_RISCV64
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "riscv64"
+#else /* !CONFIG_64BIT */
+# define SECCOMP_ARCH_NATIVE AUDIT_ARCH_RISCV32
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "riscv32"
+#endif
+
#endif /* _ASM_SECCOMP_H */
diff --git a/arch/s390/boot/string.c b/arch/s390/boot/string.c
index b11e810..faccb33 100644
--- a/arch/s390/boot/string.c
+++ b/arch/s390/boot/string.c
@@ -3,6 +3,7 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#undef CONFIG_KASAN
+#undef CONFIG_KASAN_GENERIC
#include "../lib/string.c"
int strncmp(const char *cs, const char *ct, size_t count)
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 73044634..54c7536 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -21,6 +21,7 @@
#include <crypto/algapi.h>
#include <crypto/ghash.h>
#include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <linux/err.h>
@@ -1055,3 +1056,4 @@ MODULE_ALIAS_CRYPTO("aes-all");
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index cc98f9b..479dc76 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -68,9 +68,9 @@ static inline void copy_page(void *to, void *from)
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
- alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
/*
* These are used to make use of C type-checking..
diff --git a/arch/s390/include/asm/seccomp.h b/arch/s390/include/asm/seccomp.h
index 795bbe0..71d46f0 100644
--- a/arch/s390/include/asm/seccomp.h
+++ b/arch/s390/include/asm/seccomp.h
@@ -16,4 +16,13 @@
#include <asm-generic/seccomp.h>
+#define SECCOMP_ARCH_NATIVE AUDIT_ARCH_S390X
+#define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME "s390x"
+#ifdef CONFIG_COMPAT
+# define SECCOMP_ARCH_COMPAT AUDIT_ARCH_S390
+# define SECCOMP_ARCH_COMPAT_NR NR_syscalls
+# define SECCOMP_ARCH_COMPAT_NAME "s390"
+#endif
+
#endif /* _ASM_S390_SECCOMP_H */
diff --git a/arch/s390/include/uapi/asm/signal.h b/arch/s390/include/uapi/asm/signal.h
index 9a14a61..0189f32 100644
--- a/arch/s390/include/uapi/asm/signal.h
+++ b/arch/s390/include/uapi/asm/signal.h
@@ -65,30 +65,6 @@ typedef unsigned long sigset_t;
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002
-#define SA_SIGINFO 0x00000004
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define SA_RESTORER 0x04000000
#define MINSIGSTKSZ 2048
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index 3b5a4d2..da36d13 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -189,7 +189,7 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
return pte;
}
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz)
{
pgd_t *pgdp;
diff --git a/arch/sh/include/asm/seccomp.h b/arch/sh/include/asm/seccomp.h
index 54111e4..d457839 100644
--- a/arch/sh/include/asm/seccomp.h
+++ b/arch/sh/include/asm/seccomp.h
@@ -8,4 +8,14 @@
#define __NR_seccomp_exit __NR_exit
#define __NR_seccomp_sigreturn __NR_rt_sigreturn
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+#define __SECCOMP_ARCH_LE __AUDIT_ARCH_LE
+#else
+#define __SECCOMP_ARCH_LE 0
+#endif
+
+#define SECCOMP_ARCH_NATIVE (AUDIT_ARCH_SH | __SECCOMP_ARCH_LE)
+#define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME "sh"
+
#endif /* __ASM_SECCOMP_H */
diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index 220d7bc..999ab59 100644
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -21,7 +21,7 @@
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
diff --git a/arch/sparc/include/uapi/asm/signal.h b/arch/sparc/include/uapi/asm/signal.h
index ff95059..53758d5 100644
--- a/arch/sparc/include/uapi/asm/signal.h
+++ b/arch/sparc/include/uapi/asm/signal.h
@@ -137,13 +137,11 @@ struct sigstack {
#define SA_STACK _SV_SSTACK
#define SA_ONSTACK _SV_SSTACK
#define SA_RESTART _SV_INTR
-#define SA_ONESHOT _SV_RESET
+#define SA_RESETHAND _SV_RESET
#define SA_NODEFER 0x20u
#define SA_NOCLDWAIT 0x100u
#define SA_SIGINFO 0x200u
-#define SA_NOMASK SA_NODEFER
-
#define SIG_BLOCK 0x01 /* for blocking signals */
#define SIG_UNBLOCK 0x02 /* for unblocking signals */
#define SIG_SETMASK 0x04 /* for setting the signal mask */
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index ec423b5..ae06f7d 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -272,7 +272,7 @@ static unsigned long huge_tte_to_size(pte_t pte)
return size;
}
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 3577118..9410424 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -480,7 +480,7 @@ void __init init_IRQ(void)
irq_set_chip_and_handler(TIMER_IRQ, &SIGVTALRM_irq_type, handle_edge_irq);
- for (i = 1; i <= LAST_IRQ; i++)
+ for (i = 1; i < NR_IRQS; i++)
irq_set_chip_and_handler(i, &normal_irq_type, handle_edge_irq);
/* Initialize EPOLL Loop */
os_setup_epoll();
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a853ed7..dd207a1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -26,6 +26,7 @@
# Options that are inherently 64-bit kernel only:
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_SUPPORTS_INT128 if CC_HAS_INT128
+ select ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_SOFT_DIRTY
select MODULES_USE_ELF_RELA
@@ -93,6 +94,8 @@
select ARCH_SUPPORTS_ACPI
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_NUMA_BALANCING if X86_64
+ select ARCH_SUPPORTS_LTO_CLANG if X86_64
+ select ARCH_SUPPORTS_LTO_CLANG_THIN if X86_64
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
@@ -146,6 +149,7 @@
select HAVE_ARCH_JUMP_LABEL_RELATIVE
select HAVE_ARCH_KASAN if X86_64
select HAVE_ARCH_KASAN_VMALLOC if X86_64
+ select HAVE_ARCH_KFENCE
select HAVE_ARCH_KGDB
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
@@ -158,6 +162,7 @@
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD if X86_64
select HAVE_ARCH_USERFAULTFD_WP if X86_64 && USERFAULTFD
+ select HAVE_ARCH_USERFAULTFD_MINOR if X86_64 && USERFAULTFD
select HAVE_ARCH_VMAP_STACK if X86_64
select HAVE_ARCH_WITHIN_STACK_FRAMES
select HAVE_ASM_MODVERSIONS
@@ -165,6 +170,7 @@
select HAVE_CMPXCHG_LOCAL
select HAVE_CONTEXT_TRACKING if X86_64
select HAVE_C_RECORDMCOUNT
+ select HAVE_OBJTOOL_MCOUNT if STACK_VALIDATION
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS
select HAVE_DYNAMIC_FTRACE
@@ -200,6 +206,7 @@
select HAVE_MIXED_BREAKPOINTS_REGS
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_MOVE_PMD
+ select HAVE_MOVE_PUD
select HAVE_NMI
select HAVE_OPROFILE
select HAVE_OPTPROBES
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 8ed757d..c824dc6 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -196,7 +196,13 @@
endif
endif
-KBUILD_LDFLAGS := -m elf_$(UTS_MACHINE)
+KBUILD_LDFLAGS += -m elf_$(UTS_MACHINE)
+
+ifdef CONFIG_LTO_CLANG
+ifeq ($(shell test $(CONFIG_LLD_VERSION) -lt 130000; echo $$?),0)
+KBUILD_LDFLAGS += -plugin-opt=-stack-alignment=$(if $(CONFIG_X86_32),4,8)
+endif
+endif
ifdef CONFIG_X86_NEED_RELOCS
LDFLAGS_vmlinux := --emit-relocs --discard-none
@@ -257,8 +263,11 @@
PHONY += bzImage $(BOOT_TARGETS)
+# Don't compile Image in mixed build with "all" target
+ifndef KBUILD_MIXED_TREE
# Default kernel to build
all: bzImage
+endif
# KBUILD_IMAGE specify target image being built
KBUILD_IMAGE := $(boot)/bzImage
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index d9a631c..901ea5eb 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -12,6 +12,7 @@
#undef CONFIG_PARAVIRT_XXL
#undef CONFIG_PARAVIRT_SPINLOCKS
#undef CONFIG_KASAN
+#undef CONFIG_KASAN_GENERIC
/* cpu_feature_enabled() cannot be used this early */
#define USE_EARLY_PGTABLE_L5
diff --git a/arch/x86/configs/gki_defconfig b/arch/x86/configs/gki_defconfig
new file mode 100644
index 0000000..0ab5ac1
--- /dev/null
+++ b/arch/x86/configs/gki_defconfig
@@ -0,0 +1,622 @@
+CONFIG_KERNEL_LZ4=y
+# CONFIG_USELIB is not set
+CONFIG_AUDIT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_IRQ_TIME_ACCOUNTING=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_PSI=y
+CONFIG_RCU_EXPERT=y
+CONFIG_RCU_FAST_NO_HZ=y
+CONFIG_RCU_NOCB_CPU=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_IKHEADERS=y
+CONFIG_UCLAMP_TASK=y
+CONFIG_UCLAMP_BUCKETS_COUNT=20
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_UCLAMP_TASK_GROUP=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_BPF=y
+CONFIG_NAMESPACES=y
+# CONFIG_TIME_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+CONFIG_BOOT_CONFIG=y
+# CONFIG_SYSFS_SYSCALL is not set
+# CONFIG_FHANDLE is not set
+CONFIG_KALLSYMS_ALL=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_USERFAULTFD=y
+# CONFIG_RSEQ is not set
+CONFIG_EMBEDDED=y
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_SLAB_MERGE_DEFAULT is not set
+CONFIG_SLAB_FREELIST_RANDOM=y
+CONFIG_SLAB_FREELIST_HARDENED=y
+CONFIG_SHUFFLE_PAGE_ALLOCATOR=y
+CONFIG_PROFILING=y
+CONFIG_SMP=y
+CONFIG_X86_X2APIC=y
+CONFIG_HYPERVISOR_GUEST=y
+CONFIG_PARAVIRT=y
+CONFIG_NR_CPUS=32
+# CONFIG_X86_MCE is not set
+CONFIG_EFI=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="stack_depot_disable=on cgroup_disable=pressure cgroup.memory=nokmem"
+CONFIG_PM_WAKELOCKS=y
+CONFIG_PM_WAKELOCKS_LIMIT=0
+# CONFIG_PM_WAKELOCKS_GC is not set
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_FREQ_TIMES=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
+CONFIG_IA32_EMULATION=y
+CONFIG_KVM=y
+CONFIG_KVM_INTEL=y
+CONFIG_KVM_AMD=y
+CONFIG_KPROBES=y
+CONFIG_JUMP_LABEL=y
+CONFIG_LTO_CLANG_FULL=y
+CONFIG_CFI_CLANG=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SCMVERSION=y
+CONFIG_BLK_CGROUP_IOCOST=y
+CONFIG_BLK_INLINE_ENCRYPTION=y
+CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y
+CONFIG_IOSCHED_BFQ=y
+CONFIG_BFQ_GROUP_IOSCHED=y
+CONFIG_GKI_HACKS_TO_FIX=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_BINFMT_MISC=y
+CONFIG_MEMORY_HOTPLUG=y
+CONFIG_MEMORY_HOTREMOVE=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
+CONFIG_CLEANCACHE=y
+CONFIG_CMA=y
+CONFIG_CMA_DEBUGFS=y
+CONFIG_CMA_SYSFS=y
+CONFIG_CMA_AREAS=16
+CONFIG_READ_ONLY_THP_FOR_FS=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_XFRM_USER=y
+CONFIG_XFRM_INTERFACE=y
+CONFIG_XFRM_MIGRATE=y
+CONFIG_XFRM_STATISTICS=y
+CONFIG_NET_KEY=y
+CONFIG_XDP_SOCKETS=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_NET_IPIP=y
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=y
+CONFIG_NET_IPVTI=y
+CONFIG_INET_ESP=y
+CONFIG_INET_UDP_DIAG=y
+CONFIG_INET_DIAG_DESTROY=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_ROUTE_INFO=y
+CONFIG_IPV6_OPTIMISTIC_DAD=y
+CONFIG_INET6_ESP=y
+CONFIG_INET6_IPCOMP=y
+CONFIG_IPV6_MIP6=y
+CONFIG_IPV6_VTI=y
+CONFIG_IPV6_GRE=y
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CONNTRACK_AMANDA=y
+CONFIG_NF_CONNTRACK_FTP=y
+CONFIG_NF_CONNTRACK_H323=y
+CONFIG_NF_CONNTRACK_IRC=y
+CONFIG_NF_CONNTRACK_NETBIOS_NS=y
+CONFIG_NF_CONNTRACK_PPTP=y
+CONFIG_NF_CONNTRACK_SANE=y
+CONFIG_NF_CONNTRACK_TFTP=y
+CONFIG_NF_CT_NETLINK=y
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
+CONFIG_NETFILTER_XT_TARGET_DSCP=y
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
+CONFIG_NETFILTER_XT_TARGET_MARK=y
+CONFIG_NETFILTER_XT_TARGET_NFLOG=y
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
+CONFIG_NETFILTER_XT_TARGET_NOTRACK=y
+CONFIG_NETFILTER_XT_TARGET_TEE=y
+CONFIG_NETFILTER_XT_TARGET_TPROXY=y
+CONFIG_NETFILTER_XT_TARGET_TRACE=y
+CONFIG_NETFILTER_XT_TARGET_SECMARK=y
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NETFILTER_XT_MATCH_COMMENT=y
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_DSCP=y
+CONFIG_NETFILTER_XT_MATCH_ESP=y
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
+CONFIG_NETFILTER_XT_MATCH_HELPER=y
+CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
+CONFIG_NETFILTER_XT_MATCH_LENGTH=y
+CONFIG_NETFILTER_XT_MATCH_LIMIT=y
+CONFIG_NETFILTER_XT_MATCH_MAC=y
+CONFIG_NETFILTER_XT_MATCH_MARK=y
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+CONFIG_NETFILTER_XT_MATCH_OWNER=y
+CONFIG_NETFILTER_XT_MATCH_POLICY=y
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2=y
+CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG=y
+CONFIG_NETFILTER_XT_MATCH_SOCKET=y
+CONFIG_NETFILTER_XT_MATCH_STATE=y
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
+CONFIG_NETFILTER_XT_MATCH_STRING=y
+CONFIG_NETFILTER_XT_MATCH_TIME=y
+CONFIG_NETFILTER_XT_MATCH_U32=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_MATCH_ECN=y
+CONFIG_IP_NF_MATCH_TTL=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_TARGET_NETMAP=y
+CONFIG_IP_NF_TARGET_REDIRECT=y
+CONFIG_IP_NF_MANGLE=y
+CONFIG_IP_NF_RAW=y
+CONFIG_IP_NF_SECURITY=y
+CONFIG_IP_NF_ARPTABLES=y
+CONFIG_IP_NF_ARPFILTER=y
+CONFIG_IP_NF_ARP_MANGLE=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_MATCH_RPFILTER=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_MANGLE=y
+CONFIG_IP6_NF_RAW=y
+CONFIG_TIPC=y
+CONFIG_L2TP=y
+CONFIG_BRIDGE=y
+CONFIG_6LOWPAN=y
+CONFIG_IEEE802154=y
+CONFIG_IEEE802154_6LOWPAN=y
+CONFIG_MAC802154=y
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_HTB=y
+CONFIG_NET_SCH_PRIO=y
+CONFIG_NET_SCH_MULTIQ=y
+CONFIG_NET_SCH_SFQ=y
+CONFIG_NET_SCH_TBF=y
+CONFIG_NET_SCH_NETEM=y
+CONFIG_NET_SCH_CODEL=y
+CONFIG_NET_SCH_FQ_CODEL=y
+CONFIG_NET_SCH_FQ=y
+CONFIG_NET_SCH_INGRESS=y
+CONFIG_NET_CLS_BASIC=y
+CONFIG_NET_CLS_TCINDEX=y
+CONFIG_NET_CLS_FW=y
+CONFIG_NET_CLS_U32=y
+CONFIG_CLS_U32_MARK=y
+CONFIG_NET_CLS_FLOW=y
+CONFIG_NET_CLS_BPF=y
+CONFIG_NET_CLS_MATCHALL=y
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_CMP=y
+CONFIG_NET_EMATCH_NBYTE=y
+CONFIG_NET_EMATCH_U32=y
+CONFIG_NET_EMATCH_META=y
+CONFIG_NET_EMATCH_TEXT=y
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_POLICE=y
+CONFIG_NET_ACT_GACT=y
+CONFIG_NET_ACT_MIRRED=y
+CONFIG_NET_ACT_SKBEDIT=y
+CONFIG_VSOCKETS=y
+CONFIG_CGROUP_NET_PRIO=y
+CONFIG_BPF_JIT=y
+CONFIG_CAN=y
+CONFIG_BT=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_HIDP=y
+CONFIG_BT_HCIBTSDIO=y
+CONFIG_BT_HCIUART=y
+CONFIG_BT_HCIUART_LL=y
+CONFIG_BT_HCIUART_BCM=y
+CONFIG_BT_HCIUART_QCA=y
+CONFIG_RFKILL=y
+CONFIG_NFC=y
+CONFIG_PCI=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_PCIEAER=y
+CONFIG_PCI_MSI=y
+CONFIG_PCI_IOV=y
+CONFIG_PCIE_DW_PLAT_EP=y
+CONFIG_PCI_ENDPOINT=y
+CONFIG_FW_LOADER_USER_HELPER=y
+# CONFIG_FW_CACHE is not set
+CONFIG_GNSS=y
+CONFIG_OF=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_SRAM=y
+CONFIG_UID_SYS_STATS=y
+CONFIG_SCSI=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_UFSHCD=y
+CONFIG_SCSI_UFSHCD_PCI=y
+CONFIG_SCSI_UFSHCD_PLATFORM=y
+CONFIG_SCSI_UFS_DWC_TC_PLATFORM=y
+CONFIG_SCSI_UFS_BSG=y
+CONFIG_SCSI_UFS_CRYPTO=y
+CONFIG_SCSI_UFS_HPB=y
+CONFIG_MD=y
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=y
+CONFIG_DM_DEFAULT_KEY=y
+CONFIG_DM_SNAPSHOT=y
+CONFIG_DM_UEVENT=y
+CONFIG_DM_VERITY=y
+CONFIG_DM_VERITY_FEC=y
+CONFIG_DM_BOW=y
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+CONFIG_WIREGUARD=y
+CONFIG_IFB=y
+CONFIG_TUN=y
+CONFIG_VETH=y
+CONFIG_PPP=y
+CONFIG_PPP_BSDCOMP=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_MPPE=y
+CONFIG_PPTP=y
+CONFIG_PPPOL2TP=y
+CONFIG_USB_RTL8150=y
+CONFIG_USB_RTL8152=y
+CONFIG_USB_USBNET=y
+# CONFIG_USB_NET_AX8817X is not set
+# CONFIG_USB_NET_AX88179_178A is not set
+CONFIG_USB_NET_CDC_EEM=y
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+CONFIG_USB_NET_AQC111=y
+# CONFIG_WLAN_VENDOR_ADMTEK is not set
+# CONFIG_WLAN_VENDOR_ATH is not set
+# CONFIG_WLAN_VENDOR_ATMEL is not set
+# CONFIG_WLAN_VENDOR_BROADCOM is not set
+# CONFIG_WLAN_VENDOR_CISCO is not set
+# CONFIG_WLAN_VENDOR_INTEL is not set
+# CONFIG_WLAN_VENDOR_INTERSIL is not set
+# CONFIG_WLAN_VENDOR_MARVELL is not set
+# CONFIG_WLAN_VENDOR_MEDIATEK is not set
+# CONFIG_WLAN_VENDOR_RALINK is not set
+# CONFIG_WLAN_VENDOR_REALTEK is not set
+# CONFIG_WLAN_VENDOR_RSI is not set
+# CONFIG_WLAN_VENDOR_ST is not set
+# CONFIG_WLAN_VENDOR_TI is not set
+# CONFIG_WLAN_VENDOR_ZYDAS is not set
+# CONFIG_WLAN_VENDOR_QUANTENNA is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_MOUSE_PS2 is not set
+CONFIG_INPUT_JOYSTICK=y
+CONFIG_JOYSTICK_XPAD=y
+CONFIG_JOYSTICK_XPAD_FF=y
+CONFIG_JOYSTICK_XPAD_LEDS=y
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=y
+# CONFIG_VT is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_HW_RANDOM=y
+# CONFIG_DEVMEM is not set
+# CONFIG_DEVPORT is not set
+CONFIG_HPET=y
+# CONFIG_I2C_COMPAT is not set
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I3C=y
+CONFIG_SPI=y
+CONFIG_SPI_MEM=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+# CONFIG_HWMON is not set
+CONFIG_THERMAL_NETLINK=y
+CONFIG_THERMAL_STATISTICS=y
+CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=100
+CONFIG_THERMAL_WRITABLE_TRIPS=y
+CONFIG_THERMAL_GOV_USER_SPACE=y
+CONFIG_CPU_THERMAL=y
+CONFIG_DEVFREQ_THERMAL=y
+CONFIG_THERMAL_EMULATION=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_MFD_SYSCON=y
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_RC_CORE=y
+# CONFIG_RC_MAP is not set
+CONFIG_LIRC=y
+CONFIG_BPF_LIRC_MODE2=y
+CONFIG_RC_DECODERS=y
+CONFIG_RC_DEVICES=y
+CONFIG_MEDIA_CEC_RC=y
+# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
+# CONFIG_MEDIA_DIGITAL_TV_SUPPORT is not set
+# CONFIG_MEDIA_RADIO_SUPPORT is not set
+# CONFIG_MEDIA_SDR_SUPPORT is not set
+# CONFIG_MEDIA_TEST_SUPPORT is not set
+CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_MEDIA_USB_SUPPORT=y
+CONFIG_USB_VIDEO_CLASS=y
+CONFIG_USB_GSPCA=y
+CONFIG_V4L_PLATFORM_DRIVERS=y
+CONFIG_V4L_MEM2MEM_DRIVERS=y
+CONFIG_DRM=y
+# CONFIG_DRM_FBDEV_EMULATION is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_HRTIMER=y
+CONFIG_SND_DYNAMIC_MINORS=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_DRIVERS is not set
+CONFIG_SND_USB_AUDIO=y
+CONFIG_SND_SOC=y
+CONFIG_HID_BATTERY_STRENGTH=y
+CONFIG_HIDRAW=y
+CONFIG_UHID=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BETOP_FF=y
+CONFIG_HID_PRODIKEYS=y
+CONFIG_HID_ELECOM=y
+CONFIG_HID_UCLOGIC=y
+CONFIG_HID_LOGITECH=y
+CONFIG_HID_LOGITECH_DJ=y
+CONFIG_HID_MAGICMOUSE=y
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MULTITOUCH=y
+CONFIG_HID_NINTENDO=y
+CONFIG_HID_PICOLCD=y
+CONFIG_HID_PLANTRONICS=y
+CONFIG_HID_PLAYSTATION=y
+CONFIG_PLAYSTATION_FF=y
+CONFIG_HID_ROCCAT=y
+CONFIG_HID_SONY=y
+CONFIG_SONY_FF=y
+CONFIG_HID_STEAM=y
+CONFIG_HID_WACOM=y
+CONFIG_HID_WIIMOTE=y
+CONFIG_USB_HIDDEV=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_ROOT_HUB_TT=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_ACM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_UAS=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_DUMMY_HCD=y
+CONFIG_USB_CONFIGFS=y
+CONFIG_USB_CONFIGFS_UEVENT=y
+CONFIG_USB_CONFIGFS_SERIAL=y
+CONFIG_USB_CONFIGFS_ACM=y
+CONFIG_USB_CONFIGFS_NCM=y
+CONFIG_USB_CONFIGFS_ECM=y
+CONFIG_USB_CONFIGFS_RNDIS=y
+CONFIG_USB_CONFIGFS_EEM=y
+CONFIG_USB_CONFIGFS_MASS_STORAGE=y
+CONFIG_USB_CONFIGFS_F_FS=y
+CONFIG_USB_CONFIGFS_F_ACC=y
+CONFIG_USB_CONFIGFS_F_AUDIO_SRC=y
+CONFIG_USB_CONFIGFS_F_MIDI=y
+CONFIG_USB_CONFIGFS_F_HID=y
+CONFIG_USB_CONFIGFS_F_UVC=y
+CONFIG_TYPEC=y
+CONFIG_TYPEC_TCPM=y
+CONFIG_TYPEC_TCPCI=y
+CONFIG_TYPEC_UCSI=y
+CONFIG_MMC=y
+# CONFIG_PWRSEQ_EMMC is not set
+# CONFIG_PWRSEQ_SIMPLE is not set
+CONFIG_MMC_CRYPTO=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_LEDS_CLASS_FLASH=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_TRANSIENT=y
+CONFIG_EDAC=y
+CONFIG_RTC_CLASS=y
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_SYSFS_STATS=y
+CONFIG_DMABUF_HEAPS_DEFERRED_FREE=y
+CONFIG_DMABUF_HEAPS_PAGE_POOL=y
+CONFIG_UIO=y
+CONFIG_VHOST_VSOCK=y
+CONFIG_STAGING=y
+CONFIG_ASHMEM=y
+CONFIG_DEBUG_KINFO=y
+CONFIG_REMOTEPROC=y
+CONFIG_REMOTEPROC_CDEV=y
+CONFIG_RPMSG_CHAR=y
+CONFIG_PM_DEVFREQ_EVENT=y
+CONFIG_IIO=y
+CONFIG_IIO_BUFFER=y
+CONFIG_IIO_TRIGGER=y
+CONFIG_POWERCAP=y
+CONFIG_DTPM=y
+CONFIG_ANDROID=y
+CONFIG_ANDROID_BINDER_IPC=y
+CONFIG_ANDROID_BINDERFS=y
+CONFIG_ANDROID_DEBUG_SYMBOLS=y
+CONFIG_ANDROID_VENDOR_HOOKS=y
+CONFIG_LIBNVDIMM=y
+# CONFIG_ND_BLK is not set
+CONFIG_INTERCONNECT=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_F2FS_FS=y
+CONFIG_F2FS_FS_SECURITY=y
+CONFIG_F2FS_FS_COMPRESSION=y
+CONFIG_FS_ENCRYPTION=y
+CONFIG_FS_ENCRYPTION_INLINE_CRYPT=y
+CONFIG_FS_VERITY=y
+CONFIG_FS_VERITY_BUILTIN_SIGNATURES=y
+# CONFIG_DNOTIFY is not set
+CONFIG_QUOTA=y
+CONFIG_QFMT_V2=y
+CONFIG_FUSE_FS=y
+CONFIG_VIRTIO_FS=y
+CONFIG_OVERLAY_FS=y
+CONFIG_INCREMENTAL_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_EXFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_EFIVAR_FS is not set
+CONFIG_PSTORE=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_PMSG=y
+CONFIG_PSTORE_RAM=y
+CONFIG_EROFS_FS=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=y
+CONFIG_NLS_CODEPAGE_775=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_855=y
+CONFIG_NLS_CODEPAGE_857=y
+CONFIG_NLS_CODEPAGE_860=y
+CONFIG_NLS_CODEPAGE_861=y
+CONFIG_NLS_CODEPAGE_862=y
+CONFIG_NLS_CODEPAGE_863=y
+CONFIG_NLS_CODEPAGE_864=y
+CONFIG_NLS_CODEPAGE_865=y
+CONFIG_NLS_CODEPAGE_866=y
+CONFIG_NLS_CODEPAGE_869=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_CODEPAGE_950=y
+CONFIG_NLS_CODEPAGE_932=y
+CONFIG_NLS_CODEPAGE_949=y
+CONFIG_NLS_CODEPAGE_874=y
+CONFIG_NLS_ISO8859_8=y
+CONFIG_NLS_CODEPAGE_1250=y
+CONFIG_NLS_CODEPAGE_1251=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_3=y
+CONFIG_NLS_ISO8859_4=y
+CONFIG_NLS_ISO8859_5=y
+CONFIG_NLS_ISO8859_6=y
+CONFIG_NLS_ISO8859_7=y
+CONFIG_NLS_ISO8859_9=y
+CONFIG_NLS_ISO8859_13=y
+CONFIG_NLS_ISO8859_14=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_KOI8_R=y
+CONFIG_NLS_KOI8_U=y
+CONFIG_NLS_MAC_ROMAN=y
+CONFIG_NLS_MAC_CELTIC=y
+CONFIG_NLS_MAC_CENTEURO=y
+CONFIG_NLS_MAC_CROATIAN=y
+CONFIG_NLS_MAC_CYRILLIC=y
+CONFIG_NLS_MAC_GAELIC=y
+CONFIG_NLS_MAC_GREEK=y
+CONFIG_NLS_MAC_ICELAND=y
+CONFIG_NLS_MAC_INUIT=y
+CONFIG_NLS_MAC_ROMANIAN=y
+CONFIG_NLS_MAC_TURKISH=y
+CONFIG_NLS_UTF8=y
+CONFIG_UNICODE=y
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_HARDENED_USERCOPY=y
+# CONFIG_HARDENED_USERCOPY_FALLBACK is not set
+CONFIG_STATIC_USERMODEHELPER=y
+CONFIG_STATIC_USERMODEHELPER_PATH=""
+CONFIG_SECURITY_SELINUX=y
+CONFIG_INIT_STACK_ALL_ZERO=y
+CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
+CONFIG_CRYPTO_CHACHA20POLY1305=y
+CONFIG_CRYPTO_ADIANTUM=y
+CONFIG_CRYPTO_XCBC=y
+CONFIG_CRYPTO_BLAKE2B=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_SHA256_SSSE3=y
+CONFIG_CRYPTO_AES_NI_INTEL=y
+CONFIG_CRYPTO_LZ4=y
+CONFIG_CRYPTO_ZSTD=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+CONFIG_CRC8=y
+CONFIG_XZ_DEC=y
+CONFIG_DMA_CMA=y
+CONFIG_STACK_HASH_ORDER=12
+CONFIG_PRINTK_TIME=y
+CONFIG_DYNAMIC_DEBUG_CORE=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_HEADERS_INSTALL=y
+# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_UBSAN=y
+CONFIG_UBSAN_TRAP=y
+CONFIG_UBSAN_LOCAL_BOUNDS=y
+# CONFIG_UBSAN_SHIFT is not set
+# CONFIG_UBSAN_OBJECT_SIZE is not set
+# CONFIG_UBSAN_BOOL is not set
+# CONFIG_UBSAN_ENUM is not set
+CONFIG_PAGE_OWNER=y
+CONFIG_PAGE_PINNER=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_KFENCE=y
+CONFIG_KFENCE_SAMPLE_INTERVAL=500
+CONFIG_KFENCE_NUM_OBJECTS=63
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PANIC_TIMEOUT=-1
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_WQ_WATCHDOG=y
+CONFIG_SCHEDSTATS=y
+CONFIG_BUG_ON_DATA_CORRUPTION=y
+CONFIG_TRACEFS_DISABLE_AUTOMOUNT=y
+CONFIG_UNWINDER_FRAME_POINTER=y
diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c
index c025a01..a40365a 100644
--- a/arch/x86/crypto/blake2s-glue.c
+++ b/arch/x86/crypto/blake2s-glue.c
@@ -58,138 +58,40 @@ void blake2s_compress_arch(struct blake2s_state *state,
}
EXPORT_SYMBOL(blake2s_compress_arch);
-static int crypto_blake2s_setkey(struct crypto_shash *tfm, const u8 *key,
- unsigned int keylen)
+static int crypto_blake2s_update_x86(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen)
{
- struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm);
-
- if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE)
- return -EINVAL;
-
- memcpy(tctx->key, key, keylen);
- tctx->keylen = keylen;
-
- return 0;
+ return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch);
}
-static int crypto_blake2s_init(struct shash_desc *desc)
+static int crypto_blake2s_final_x86(struct shash_desc *desc, u8 *out)
{
- struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
- struct blake2s_state *state = shash_desc_ctx(desc);
- const int outlen = crypto_shash_digestsize(desc->tfm);
-
- if (tctx->keylen)
- blake2s_init_key(state, outlen, tctx->key, tctx->keylen);
- else
- blake2s_init(state, outlen);
-
- return 0;
+ return crypto_blake2s_final(desc, out, blake2s_compress_arch);
}
-static int crypto_blake2s_update(struct shash_desc *desc, const u8 *in,
- unsigned int inlen)
-{
- struct blake2s_state *state = shash_desc_ctx(desc);
- const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;
-
- if (unlikely(!inlen))
- return 0;
- if (inlen > fill) {
- memcpy(state->buf + state->buflen, in, fill);
- blake2s_compress_arch(state, state->buf, 1, BLAKE2S_BLOCK_SIZE);
- state->buflen = 0;
- in += fill;
- inlen -= fill;
+#define BLAKE2S_ALG(name, driver_name, digest_size) \
+ { \
+ .base.cra_name = name, \
+ .base.cra_driver_name = driver_name, \
+ .base.cra_priority = 200, \
+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \
+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \
+ .base.cra_module = THIS_MODULE, \
+ .digestsize = digest_size, \
+ .setkey = crypto_blake2s_setkey, \
+ .init = crypto_blake2s_init, \
+ .update = crypto_blake2s_update_x86, \
+ .final = crypto_blake2s_final_x86, \
+ .descsize = sizeof(struct blake2s_state), \
}
- if (inlen > BLAKE2S_BLOCK_SIZE) {
- const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE);
- /* Hash one less (full) block than strictly possible */
- blake2s_compress_arch(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE);
- in += BLAKE2S_BLOCK_SIZE * (nblocks - 1);
- inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1);
- }
- memcpy(state->buf + state->buflen, in, inlen);
- state->buflen += inlen;
- return 0;
-}
-
-static int crypto_blake2s_final(struct shash_desc *desc, u8 *out)
-{
- struct blake2s_state *state = shash_desc_ctx(desc);
-
- blake2s_set_lastblock(state);
- memset(state->buf + state->buflen, 0,
- BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */
- blake2s_compress_arch(state, state->buf, 1, state->buflen);
- cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
- memcpy(out, state->h, state->outlen);
- memzero_explicit(state, sizeof(*state));
-
- return 0;
-}
-
-static struct shash_alg blake2s_algs[] = {{
- .base.cra_name = "blake2s-128",
- .base.cra_driver_name = "blake2s-128-x86",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_128_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}, {
- .base.cra_name = "blake2s-160",
- .base.cra_driver_name = "blake2s-160-x86",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_160_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}, {
- .base.cra_name = "blake2s-224",
- .base.cra_driver_name = "blake2s-224-x86",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_224_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}, {
- .base.cra_name = "blake2s-256",
- .base.cra_driver_name = "blake2s-256-x86",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_256_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}};
+static struct shash_alg blake2s_algs[] = {
+ BLAKE2S_ALG("blake2s-128", "blake2s-128-x86", BLAKE2S_128_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-160", "blake2s-160-x86", BLAKE2S_160_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-224", "blake2s-224-x86", BLAKE2S_224_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-256", "blake2s-256-x86", BLAKE2S_256_HASH_SIZE),
+};
static int __init blake2s_mod_init(void)
{
diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h
index 07a9331..4bec259 100644
--- a/arch/x86/entry/calling.h
+++ b/arch/x86/entry/calling.h
@@ -366,7 +366,11 @@ For 32-bit we have the following conventions - kernel is built with
*/
.macro LOAD_CPU_AND_NODE_SEG_LIMIT reg:req
movq $__CPUNODE_SEG, \reg
+#ifdef __clang__
+ .long 0xc0030f48
+#else
lsl \reg, \reg
+#endif
.endm
/*
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 2124374..b36f429 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -90,7 +90,7 @@
endif
endif
-$(vobjs): KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS) $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS)) $(CFL)
+$(vobjs): KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO) $(GCC_PLUGINS_CFLAGS) $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS)) $(CFL)
#
# vDSO code runs in userspace and -pg doesn't help with profiling anyway.
@@ -148,6 +148,7 @@
KBUILD_CFLAGS_32 := $(filter-out -mfentry,$(KBUILD_CFLAGS_32))
KBUILD_CFLAGS_32 := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS_32))
KBUILD_CFLAGS_32 := $(filter-out $(RETPOLINE_CFLAGS),$(KBUILD_CFLAGS_32))
+KBUILD_CFLAGS_32 := $(filter-out $(CC_FLAGS_LTO),$(KBUILD_CFLAGS_32))
KBUILD_CFLAGS_32 += -m32 -msoft-float -mregparm=0 -fpic
KBUILD_CFLAGS_32 += -fno-stack-protector
KBUILD_CFLAGS_32 += $(call cc-option, -foptimize-sibling-calls)
diff --git a/arch/x86/include/asm/kfence.h b/arch/x86/include/asm/kfence.h
new file mode 100644
index 0000000..97bbb4a
--- /dev/null
+++ b/arch/x86/include/asm/kfence.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * x86 KFENCE support.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef _ASM_X86_KFENCE_H
+#define _ASM_X86_KFENCE_H
+
+#include <linux/bug.h>
+#include <linux/kfence.h>
+
+#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
+#include <asm/set_memory.h>
+#include <asm/tlbflush.h>
+
+/* Force 4K pages for __kfence_pool. */
+static inline bool arch_kfence_init_pool(void)
+{
+ unsigned long addr;
+
+ for (addr = (unsigned long)__kfence_pool; is_kfence_address((void *)addr);
+ addr += PAGE_SIZE) {
+ unsigned int level;
+
+ if (!lookup_address(addr, &level))
+ return false;
+
+ if (level != PG_LEVEL_4K)
+ set_memory_4k(addr, 1);
+ }
+
+ return true;
+}
+
+/* Protect the given page and flush TLB. */
+static inline bool kfence_protect_page(unsigned long addr, bool protect)
+{
+ unsigned int level;
+ pte_t *pte = lookup_address(addr, &level);
+
+ if (WARN_ON(!pte || level != PG_LEVEL_4K))
+ return false;
+
+ /*
+ * We need to avoid IPIs, as we may get KFENCE allocations or faults
+ * with interrupts disabled. Therefore, the below is best-effort, and
+ * does not flush TLBs on all CPUs. We can tolerate some inaccuracy;
+ * lazy fault handling takes care of faults after the page is PRESENT.
+ */
+
+ if (protect)
+ set_pte(pte, __pte(pte_val(*pte) & ~_PAGE_PRESENT));
+ else
+ set_pte(pte, __pte(pte_val(*pte) | _PAGE_PRESENT));
+
+ /* Flush this CPU's TLB. */
+ flush_tlb_one_kernel(addr);
+ return true;
+}
+
+#endif /* _ASM_X86_KFENCE_H */
diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index 7555b48..1888750 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -34,9 +34,9 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
copy_page(to, from);
}
-#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
- alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
-#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#define alloc_zeroed_user_highpage_movable(vma, vaddr) \
+ alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_ZERO | __GFP_CMA, vma, vaddr)
+#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
#ifndef __pa
#define __pa(x) __phys_addr((unsigned long)(x))
diff --git a/arch/x86/include/asm/seccomp.h b/arch/x86/include/asm/seccomp.h
index 2bd1338..fef16e3 100644
--- a/arch/x86/include/asm/seccomp.h
+++ b/arch/x86/include/asm/seccomp.h
@@ -16,6 +16,26 @@
#define __NR_seccomp_sigreturn_32 __NR_ia32_sigreturn
#endif
+#ifdef CONFIG_X86_64
+# define SECCOMP_ARCH_NATIVE AUDIT_ARCH_X86_64
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "x86_64"
+# ifdef CONFIG_COMPAT
+# define SECCOMP_ARCH_COMPAT AUDIT_ARCH_I386
+# define SECCOMP_ARCH_COMPAT_NR IA32_NR_syscalls
+# define SECCOMP_ARCH_COMPAT_NAME "ia32"
+# endif
+/*
+ * x32 will have __X32_SYSCALL_BIT set in syscall number. We don't support
+ * caching them and they are treated as out of range syscalls, which will
+ * always pass through the BPF filter.
+ */
+#else /* !CONFIG_X86_64 */
+# define SECCOMP_ARCH_NATIVE AUDIT_ARCH_I386
+# define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+# define SECCOMP_ARCH_NATIVE_NAME "ia32"
+#endif
+
#include <asm-generic/seccomp.h>
#endif /* _ASM_X86_SECCOMP_H */
diff --git a/arch/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h
index a6e8373..5abf130 100644
--- a/arch/x86/include/asm/sections.h
+++ b/arch/x86/include/asm/sections.h
@@ -8,6 +8,7 @@
#include <asm/extable.h>
extern char __brk_base[], __brk_limit[];
+extern char __cfi_jt_start[], __cfi_jt_end[];
extern char __end_rodata_aligned[];
#if defined(CONFIG_X86_64)
diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h
index e5745d5..164a22a 100644
--- a/arch/x86/include/uapi/asm/signal.h
+++ b/arch/x86/include/uapi/asm/signal.h
@@ -62,30 +62,6 @@ typedef unsigned long sigset_t;
#define SIGRTMIN 32
#define SIGRTMAX _NSIG
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001u
-#define SA_NOCLDWAIT 0x00000002u
-#define SA_SIGINFO 0x00000004u
-#define SA_ONSTACK 0x08000000u
-#define SA_RESTART 0x10000000u
-#define SA_NODEFER 0x40000000u
-#define SA_RESETHAND 0x80000000u
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define SA_RESTORER 0x04000000
#define MINSIGSTKSZ 2048
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index c8daa92..c7f412f 100644
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -112,7 +112,7 @@
movq pt_regs_r14(%rax), %r14
movq pt_regs_r15(%rax), %r15
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
/*
* The suspend path may have poisoned some areas deeper in the stack,
* which we now need to unpoison.
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 2400ad6..c5f5861 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -628,23 +628,10 @@ extern struct paravirt_patch_site __start_parainstructions[],
*
* See entry_{32,64}.S for more details.
*/
-
-/*
- * We define the int3_magic() function in assembly to control the calling
- * convention such that we can 'call' it from assembly.
- */
-
-extern void int3_magic(unsigned int *ptr); /* defined in asm */
-
-asm (
-" .pushsection .init.text, \"ax\", @progbits\n"
-" .type int3_magic, @function\n"
-"int3_magic:\n"
-" movl $1, (%" _ASM_ARG1 ")\n"
-" ret\n"
-" .size int3_magic, .-int3_magic\n"
-" .popsection\n"
-);
+static void __init __no_sanitize_address notrace int3_magic(unsigned int *ptr)
+{
+ *ptr = 1;
+}
extern __initdata unsigned long int3_selftest_ip; /* defined in asm below */
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c
index 08eb230..50d656d 100644
--- a/arch/x86/kernel/kprobes/opt.c
+++ b/arch/x86/kernel/kprobes/opt.c
@@ -103,6 +103,14 @@ static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val)
asm (
".pushsection .rodata\n"
"optprobe_template_func:\n"
+ ".pushsection .discard.func_stack_frame_non_standard\n"
+ "__func_stack_frame_non_standard_optprobe_template_func:\n"
+#ifdef CONFIG_64BIT
+ ".quad optprobe_template_func\n"
+#else
+ ".long optprobe_template_func\n"
+#endif
+ ".popsection\n"
".global optprobe_template_entry\n"
"optprobe_template_entry:\n"
#ifdef CONFIG_X86_64
@@ -154,9 +162,6 @@ asm (
"optprobe_template_end:\n"
".popsection\n");
-void optprobe_template_func(void);
-STACK_FRAME_NON_STANDARD(optprobe_template_func);
-
#define TMPL_CLAC_IDX \
((long)optprobe_template_clac - (long)optprobe_template_entry)
#define TMPL_MOVE_IDX \
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index 5e9a34b..c98c220 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -197,6 +197,10 @@ static int __apply_relocate_add(Elf64_Shdr *sechdrs,
val -= (u64)loc;
write(loc, &val, 8);
break;
+ case R_X86_64_8:
+ if (!strncmp(strtab + sym->st_name, "__typeid__", 10))
+ break;
+ /* fallthrough */
default:
pr_err("%s: Unknown rela relocation: %llu\n",
me->name, ELF64_R_TYPE(rel[i].r_info));
diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c
index a7f3e12..ddfd919 100644
--- a/arch/x86/kernel/signal_compat.c
+++ b/arch/x86/kernel/signal_compat.c
@@ -165,16 +165,9 @@ void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oact)
{
signal_compat_build_tests();
- /* Don't leak in-kernel non-uapi flags to user-space */
- if (oact)
- oact->sa.sa_flags &= ~(SA_IA32_ABI | SA_X32_ABI);
-
if (!act)
return;
- /* Don't let flags to be set from userspace */
- act->sa.sa_flags &= ~(SA_IA32_ABI | SA_X32_ABI);
-
if (in_ia32_syscall())
act->sa.sa_flags |= SA_IA32_ABI;
if (in_x32_syscall())
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index bf9e0ad..9fef074 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -490,3 +490,7 @@
"kexec control code size is too big");
#endif
+#ifdef CONFIG_CFI_CLANG
+. = ASSERT((__cfi_jt_end - __cfi_jt_start > 0),
+ "CFI jump table is empty");
+#endif
diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c
index b93d6cd..a7eae1c 100644
--- a/arch/x86/mm/extable.c
+++ b/arch/x86/mm/extable.c
@@ -155,6 +155,7 @@ enum handler_type ex_get_fault_handler_type(unsigned long ip)
return EX_HANDLER_OTHER;
}
+__nocfi
int fixup_exception(struct pt_regs *regs, int trapnr, unsigned long error_code,
unsigned long fault_addr)
{
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 9c1545c..e9afbf8 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -9,6 +9,7 @@
#include <linux/kdebug.h> /* oops_begin/end, ... */
#include <linux/extable.h> /* search_exception_tables */
#include <linux/memblock.h> /* max_low_pfn */
+#include <linux/kfence.h> /* kfence_handle_page_fault */
#include <linux/kprobes.h> /* NOKPROBE_SYMBOL, ... */
#include <linux/mmiotrace.h> /* kmmio_handler, ... */
#include <linux/perf_event.h> /* perf_sw_event */
@@ -732,6 +733,11 @@ no_context(struct pt_regs *regs, unsigned long error_code,
if (IS_ENABLED(CONFIG_EFI))
efi_recover_from_page_fault(address);
+ /* Only not-present faults should be handled by KFENCE. */
+ if (!(error_code & X86_PF_PROT) &&
+ kfence_handle_page_fault(address, error_code & X86_PF_WRITE, regs))
+ return;
+
oops:
/*
* Oops. The kernel tried to access some bad page. We'll have to
@@ -1221,7 +1227,7 @@ void do_user_addr_fault(struct pt_regs *regs,
unsigned long hw_error_code,
unsigned long address)
{
- struct vm_area_struct *vma;
+ struct vm_area_struct *vma = NULL;
struct task_struct *tsk;
struct mm_struct *mm;
vm_fault_t fault;
@@ -1306,6 +1312,16 @@ void do_user_addr_fault(struct pt_regs *regs,
#endif
/*
+ * Do not try to do a speculative page fault if the fault was due to
+ * protection keys since it can't be resolved.
+ */
+ if (!(hw_error_code & X86_PF_PK)) {
+ fault = handle_speculative_fault(mm, address, flags, &vma, regs);
+ if (fault != VM_FAULT_RETRY)
+ goto done;
+ }
+
+ /*
* Kernel-mode access to the user address space should only occur
* on well-defined single instructions listed in the exception
* tables. But, an erroneous kernel fault occurring outside one of
@@ -1337,7 +1353,8 @@ void do_user_addr_fault(struct pt_regs *regs,
might_sleep();
}
- vma = find_vma(mm, address);
+ if (!vma || !can_reuse_spf_vma(vma, address))
+ vma = find_vma(mm, address);
if (unlikely(!vma)) {
bad_area(regs, hw_error_code, address);
return;
@@ -1394,10 +1411,19 @@ void do_user_addr_fault(struct pt_regs *regs,
if (unlikely((fault & VM_FAULT_RETRY) &&
(flags & FAULT_FLAG_ALLOW_RETRY))) {
flags |= FAULT_FLAG_TRIED;
+
+ /*
+ * Do not try to reuse this vma and fetch it
+ * again since we will release the mmap_sem.
+ */
+ vma = NULL;
+
goto retry;
}
mmap_read_unlock(mm);
+
+done:
if (unlikely(fault & VM_FAULT_ERROR)) {
mm_fault_error(regs, hw_error_code, address, fault);
return;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index c7a4760..155c95d 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -103,6 +103,12 @@ static unsigned long min_pfn_mapped;
static bool __initdata can_use_brk_pgt = true;
/*
+ * Provide a run-time mean of disabling ZONE_DMA32 if it is enabled via
+ * CONFIG_ZONE_DMA32.
+ */
+static bool disable_dma32 __ro_after_init;
+
+/*
* Pages returned are already directly mapped.
*
* Changing that is likely to break Xen, see commit:
@@ -996,7 +1002,7 @@ void __init zone_sizes_init(void)
max_zone_pfns[ZONE_DMA] = min(MAX_DMA_PFN, max_low_pfn);
#endif
#ifdef CONFIG_ZONE_DMA32
- max_zone_pfns[ZONE_DMA32] = min(MAX_DMA32_PFN, max_low_pfn);
+ max_zone_pfns[ZONE_DMA32] = disable_dma32 ? 0 : min(MAX_DMA32_PFN, max_low_pfn);
#endif
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_HIGHMEM
@@ -1006,6 +1012,18 @@ void __init zone_sizes_init(void)
free_area_init(max_zone_pfns);
}
+static int __init early_disable_dma32(char *buf)
+{
+ if (!buf)
+ return -EINVAL;
+
+ if (!strcmp(buf, "on"))
+ disable_dma32 = true;
+
+ return 0;
+}
+early_param("disable_dma32", early_disable_dma32);
+
__visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
.loaded_mm = &init_mm,
.next_asid = 1,
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index 1aab929..f4ee420 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -498,6 +498,15 @@ static void pti_clone_entry_text(void)
pti_clone_pgtable((unsigned long) __entry_text_start,
(unsigned long) __entry_text_end,
PTI_CLONE_PMD);
+
+ /*
+ * If CFI is enabled, also map jump tables, so the entry code can
+ * make indirect calls.
+ */
+ if (IS_ENABLED(CONFIG_CFI_CLANG))
+ pti_clone_pgtable((unsigned long) __cfi_jt_start,
+ (unsigned long) __cfi_jt_end,
+ PTI_CLONE_PMD);
}
/*
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index a0a7ead..610b4352 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -564,9 +564,6 @@ static void bpf_tail_call_direct_fixup(struct bpf_prog *prog)
for (i = 0; i < prog->aux->size_poke_tab; i++) {
poke = &prog->aux->poke_tab[i];
- if (poke->aux && poke->aux != prog->aux)
- continue;
-
WARN_ON_ONCE(READ_ONCE(poke->tailcall_target_stable));
if (poke->reason != BPF_POKE_REASON_TAIL_CALL)
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 6fa42e9..234998f 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -425,7 +425,7 @@ static acpi_status find_mboard_resource(acpi_handle handle, u32 lvl,
return AE_OK;
}
-static bool is_acpi_reserved(u64 start, u64 end, unsigned not_used)
+static bool is_acpi_reserved(u64 start, u64 end, enum e820_type not_used)
{
struct resource mcfg_res;
@@ -442,7 +442,7 @@ static bool is_acpi_reserved(u64 start, u64 end, unsigned not_used)
return mcfg_res.flags;
}
-typedef bool (*check_reserved_t)(u64 start, u64 end, unsigned type);
+typedef bool (*check_reserved_t)(u64 start, u64 end, enum e820_type type);
static bool __ref is_mmconf_reserved(check_reserved_t is_reserved,
struct pci_mmcfg_region *cfg,
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index db1378c..7e4bafa 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -274,6 +274,19 @@ static void notrace __restore_processor_state(struct saved_context *ctxt)
/* Needed by apm.c */
void notrace restore_processor_state(void)
{
+#ifdef __clang__
+ // The following code snippet is copied from __restore_processor_state.
+ // Its purpose is to prepare GS segment before the function is called.
+ // Since the function is compiled with SCS on, it will use GS at its
+ // entry.
+ // TODO: Hack to be removed later when compiler bug is fixed.
+#ifdef CONFIG_X86_64
+ wrmsrl(MSR_GS_BASE, saved_context.kernelmode_gs_base);
+#else
+ loadsegment(fs, __KERNEL_PERCPU);
+ loadsegment(gs, __KERNEL_STACK_CANARY);
+#endif
+#endif
__restore_processor_state(&saved_context);
}
#ifdef CONFIG_X86_32
diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index 95ea17a..ed46ad7 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -31,7 +31,7 @@
# These are adjustments to the compiler flags used for objects that
# make up the standalone purgatory.ro
-PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel
+PURGATORY_CFLAGS_REMOVE := -mcmodel=kernel $(CC_FLAGS_CFI)
PURGATORY_CFLAGS := -mcmodel=large -ffreestanding -fno-zero-initialized-in-bss -g0
PURGATORY_CFLAGS += $(DISABLE_STACKLEAK_PLUGIN) -DDISABLE_BRANCH_PROFILING
PURGATORY_CFLAGS += -fno-stack-protector
diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index 1c3a196..50e4863 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -48,6 +48,7 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = {
"^(xen_irq_disable_direct_reloc$|"
"xen_save_fl_direct_reloc$|"
"VDSO|"
+ "__typeid__|"
"__crc_)",
/*
@@ -808,6 +809,12 @@ static int do_reloc64(struct section *sec, Elf_Rel *rel, ElfW(Sym) *sym,
symname);
break;
+ case R_X86_64_8:
+ if (!shn_abs || !is_reloc(S_ABS, symname))
+ die("Non-whitelisted %s relocation: %s\n",
+ rel_type(r_type), symname);
+ break;
+
case R_X86_64_32:
case R_X86_64_32S:
case R_X86_64_64:
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index adefb16..854c5e0 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -6,5 +6,4 @@
generic-y += param.h
generic-y += qrwlock.h
generic-y += qspinlock.h
-generic-y += seccomp.h
generic-y += user.h
diff --git a/arch/xtensa/include/asm/seccomp.h b/arch/xtensa/include/asm/seccomp.h
new file mode 100644
index 0000000..f1cb6b0
--- /dev/null
+++ b/arch/xtensa/include/asm/seccomp.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_SECCOMP_H
+#define _ASM_SECCOMP_H
+
+#include <asm-generic/seccomp.h>
+
+#define SECCOMP_ARCH_NATIVE AUDIT_ARCH_XTENSA
+#define SECCOMP_ARCH_NATIVE_NR NR_syscalls
+#define SECCOMP_ARCH_NATIVE_NAME "xtensa"
+
+#endif /* _ASM_SECCOMP_H */
diff --git a/arch/xtensa/include/uapi/asm/signal.h b/arch/xtensa/include/uapi/asm/signal.h
index 005dec5..79ddaba 100644
--- a/arch/xtensa/include/uapi/asm/signal.h
+++ b/arch/xtensa/include/uapi/asm/signal.h
@@ -72,30 +72,6 @@ typedef struct {
#define SIGRTMIN 32
#define SIGRTMAX (_NSIG-1)
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002 /* not supported yet */
-#define SA_SIGINFO 0x00000004
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
#define SA_RESTORER 0x04000000
#define MINSIGSTKSZ 2048
diff --git a/block/Kconfig b/block/Kconfig
index a2297ed..aabfb85 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -133,6 +133,13 @@
dynamically on an algorithm loosely based on CoDel, factoring in
the realtime performance of the disk.
+config BLK_WBT_MQ
+ bool "Enable writeback throttling by default"
+ default y
+ depends on BLK_WBT
+ help
+ Enable writeback throttling by default for request-based block devices.
+
config BLK_CGROUP_IOLATENCY
bool "Enable support for latency based cgroup IO protection"
depends on BLK_CGROUP=y
@@ -155,12 +162,14 @@
distributes IO capacity between different groups based on
their share of the overall weight distribution.
-config BLK_WBT_MQ
- bool "Multiqueue writeback throttling"
- default y
- depends on BLK_WBT
+config BLK_CGROUP_IOPRIO
+ bool "Cgroup I/O controller for assigning an I/O priority class"
+ depends on BLK_CGROUP
help
- Enable writeback throttling by default on multiqueue devices.
+ Enable the .prio interface for assigning an I/O priority class to
+ requests. The I/O priority class affects the order in which an I/O
+ scheduler and block devices process requests. Only some I/O schedulers
+ and some block devices support I/O priorities.
config BLK_DEBUG_FS
bool "Block layer debugging information in debugfs"
@@ -221,7 +230,7 @@
default y
config BLK_MQ_VIRTIO
- bool
+ tristate
depends on BLOCK && VIRTIO
default y
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index 2f2158e..64053d6 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -9,6 +9,12 @@
help
MQ version of the deadline IO scheduler.
+config MQ_IOSCHED_DEADLINE_CGROUP
+ tristate
+ default y
+ depends on MQ_IOSCHED_DEADLINE
+ depends on BLK_CGROUP
+
config MQ_IOSCHED_KYBER
tristate "Kyber I/O scheduler"
default y
diff --git a/block/Makefile b/block/Makefile
index 8d841f5..b9db5d4 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -17,9 +17,12 @@
obj-$(CONFIG_BLK_CGROUP) += blk-cgroup.o
obj-$(CONFIG_BLK_CGROUP_RWSTAT) += blk-cgroup-rwstat.o
obj-$(CONFIG_BLK_DEV_THROTTLING) += blk-throttle.o
+obj-$(CONFIG_BLK_CGROUP_IOPRIO) += blk-ioprio.o
obj-$(CONFIG_BLK_CGROUP_IOLATENCY) += blk-iolatency.o
obj-$(CONFIG_BLK_CGROUP_IOCOST) += blk-iocost.o
obj-$(CONFIG_MQ_IOSCHED_DEADLINE) += mq-deadline.o
+mq-deadline-y += mq-deadline-main.o
+mq-deadline-$(CONFIG_MQ_IOSCHED_DEADLINE_CGROUP)+= mq-deadline-cgroup.o
obj-$(CONFIG_MQ_IOSCHED_KYBER) += kyber-iosched.o
bfq-y := bfq-iosched.o bfq-wf2q.o bfq-cgroup.o
obj-$(CONFIG_IOSCHED_BFQ) += bfq.o
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index b8c2ddc..81e0959 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -4502,7 +4502,7 @@ static struct bfq_queue *bfq_select_queue(struct bfq_data *bfqd)
bfqq = bfqq->bic->bfqq[0];
else if (bfq_bfqq_has_waker(bfqq) &&
bfq_bfqq_busy(bfqq->waker_bfqq) &&
- bfqq->next_rq &&
+ bfqq->waker_bfqq->next_rq &&
bfq_serv_to_charge(bfqq->waker_bfqq->next_rq,
bfqq->waker_bfqq) <=
bfq_bfqq_budget_left(bfqq->waker_bfqq)
@@ -4643,9 +4643,6 @@ static bool bfq_has_work(struct blk_mq_hw_ctx *hctx)
{
struct bfq_data *bfqd = hctx->queue->elevator->elevator_data;
- if (!atomic_read(&hctx->elevator_queued))
- return false;
-
/*
* Avoiding lock: a race on bfqd->busy_queues should cause at
* most a call to dispatch for nothing
@@ -5560,7 +5557,6 @@ static void bfq_insert_requests(struct blk_mq_hw_ctx *hctx,
rq = list_first_entry(list, struct request, queuelist);
list_del_init(&rq->queuelist);
bfq_insert_request(hctx, rq, at_head);
- atomic_inc(&hctx->elevator_queued);
}
}
@@ -5928,7 +5924,6 @@ static void bfq_finish_requeue_request(struct request *rq)
bfq_completed_request(bfqq, bfqd);
bfq_finish_requeue_request_body(bfqq);
- atomic_dec(&rq->mq_hctx->elevator_queued);
spin_unlock_irqrestore(&bfqd->lock, flags);
} else {
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 5b19665..cca79c0 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -31,6 +31,7 @@
#include <linux/tracehook.h>
#include <linux/psi.h>
#include "blk.h"
+#include "blk-ioprio.h"
#define MAX_KEY_LEN 100
@@ -1181,15 +1182,18 @@ int blkcg_init_queue(struct request_queue *q)
if (preloaded)
radix_tree_preload_end();
+ ret = blk_iolatency_init(q);
+ if (ret)
+ goto err_destroy_all;
+
+ ret = blk_ioprio_init(q);
+ if (ret)
+ goto err_destroy_all;
+
ret = blk_throtl_init(q);
if (ret)
goto err_destroy_all;
- ret = blk_iolatency_init(q);
- if (ret) {
- blk_throtl_exit(q);
- goto err_destroy_all;
- }
return 0;
err_destroy_all:
diff --git a/block/blk-core.c b/block/blk-core.c
index 26664f2..637d680 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -18,7 +18,6 @@
#include <linux/bio.h>
#include <linux/blkdev.h>
#include <linux/blk-mq.h>
-#include <linux/blk-pm.h>
#include <linux/highmem.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
@@ -59,6 +58,13 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_split);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_unplug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_queue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_getrq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_insert);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_issue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_merge);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_requeue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_complete);
DEFINE_IDA(blk_queue_ida);
@@ -440,8 +446,7 @@ int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags)
* responsible for ensuring that that counter is
* globally visible before the queue is unfrozen.
*/
- if ((pm && queue_rpm_status(q) != RPM_SUSPENDED) ||
- !blk_queue_pm_only(q)) {
+ if (pm || !blk_queue_pm_only(q)) {
success = true;
} else {
percpu_ref_put(&q->q_usage_counter);
@@ -466,7 +471,8 @@ int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags)
wait_event(q->mq_freeze_wq,
(!q->mq_freeze_depth &&
- blk_pm_resume_queue(pm, q)) ||
+ (pm || (blk_pm_request_resume(q),
+ !blk_queue_pm_only(q)))) ||
blk_queue_dying(q));
if (blk_queue_dying(q))
return -ENODEV;
diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
index c162b75..d02d297 100644
--- a/block/blk-crypto-fallback.c
+++ b/block/blk-crypto-fallback.c
@@ -180,6 +180,8 @@ static struct bio *blk_crypto_clone_bio(struct bio *bio_src)
bio_clone_blkg_association(bio, bio_src);
blkcg_bio_issue_init(bio);
+ bio_clone_skip_dm_default_key(bio, bio_src);
+
return bio;
}
@@ -543,6 +545,7 @@ static int blk_crypto_fallback_init(void)
blk_crypto_ksm.ksm_ll_ops = blk_crypto_ksm_ll_ops;
blk_crypto_ksm.max_dun_bytes_supported = BLK_CRYPTO_MAX_IV_SIZE;
+ blk_crypto_ksm.features = BLK_CRYPTO_FEATURE_STANDARD_KEYS;
/* All blk-crypto modes have a crypto API fallback. */
for (i = 0; i < BLK_ENCRYPTION_MODE_MAX; i++)
diff --git a/block/blk-crypto.c b/block/blk-crypto.c
index 5ffa9aa..722868e 100644
--- a/block/blk-crypto.c
+++ b/block/blk-crypto.c
@@ -96,6 +96,7 @@ void bio_crypt_set_ctx(struct bio *bio, const struct blk_crypto_key *key,
bio->bi_crypt_context = bc;
}
+EXPORT_SYMBOL_GPL(bio_crypt_set_ctx);
void __bio_crypt_free_ctx(struct bio *bio)
{
@@ -306,8 +307,13 @@ int __blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio,
/**
* blk_crypto_init_key() - Prepare a key for use with blk-crypto
* @blk_key: Pointer to the blk_crypto_key to initialize.
- * @raw_key: Pointer to the raw key. Must be the correct length for the chosen
- * @crypto_mode; see blk_crypto_modes[].
+ * @raw_key: Pointer to the raw key.
+ * @raw_key_size: Size of raw key. Must be at least the required size for the
+ * chosen @crypto_mode; see blk_crypto_modes[]. (It's allowed
+ * to be longer than the mode's actual key size, in order to
+ * support inline encryption hardware that accepts wrapped keys.
+ * @is_hw_wrapped has to be set for such keys)
+ * @is_hw_wrapped: Denotes @raw_key is wrapped.
* @crypto_mode: identifier for the encryption algorithm to use
* @dun_bytes: number of bytes that will be used to specify the DUN when this
* key is used
@@ -316,7 +322,9 @@ int __blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio,
* Return: 0 on success, -errno on failure. The caller is responsible for
* zeroizing both blk_key and raw_key when done with them.
*/
-int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
+int blk_crypto_init_key(struct blk_crypto_key *blk_key,
+ const u8 *raw_key, unsigned int raw_key_size,
+ bool is_hw_wrapped,
enum blk_crypto_mode_num crypto_mode,
unsigned int dun_bytes,
unsigned int data_unit_size)
@@ -328,9 +336,17 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
if (crypto_mode >= ARRAY_SIZE(blk_crypto_modes))
return -EINVAL;
+ BUILD_BUG_ON(BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE < BLK_CRYPTO_MAX_KEY_SIZE);
+
mode = &blk_crypto_modes[crypto_mode];
- if (mode->keysize == 0)
- return -EINVAL;
+ if (is_hw_wrapped) {
+ if (raw_key_size < mode->keysize ||
+ raw_key_size > BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE)
+ return -EINVAL;
+ } else {
+ if (raw_key_size != mode->keysize)
+ return -EINVAL;
+ }
if (dun_bytes == 0 || dun_bytes > mode->ivsize)
return -EINVAL;
@@ -341,12 +357,14 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
blk_key->crypto_cfg.crypto_mode = crypto_mode;
blk_key->crypto_cfg.dun_bytes = dun_bytes;
blk_key->crypto_cfg.data_unit_size = data_unit_size;
+ blk_key->crypto_cfg.is_hw_wrapped = is_hw_wrapped;
blk_key->data_unit_size_bits = ilog2(data_unit_size);
- blk_key->size = mode->keysize;
- memcpy(blk_key->raw, raw_key, mode->keysize);
+ blk_key->size = raw_key_size;
+ memcpy(blk_key->raw, raw_key, raw_key_size);
return 0;
}
+EXPORT_SYMBOL_GPL(blk_crypto_init_key);
/*
* Check if bios with @cfg can be en/decrypted by blk-crypto (i.e. either the
@@ -356,8 +374,10 @@ int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
bool blk_crypto_config_supported(struct request_queue *q,
const struct blk_crypto_config *cfg)
{
- return IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) ||
- blk_ksm_crypto_cfg_supported(q->ksm, cfg);
+ if (IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) &&
+ !cfg->is_hw_wrapped)
+ return true;
+ return blk_ksm_crypto_cfg_supported(q->ksm, cfg);
}
/**
@@ -380,8 +400,13 @@ int blk_crypto_start_using_key(const struct blk_crypto_key *key,
{
if (blk_ksm_crypto_cfg_supported(q->ksm, &key->crypto_cfg))
return 0;
+ if (key->crypto_cfg.is_hw_wrapped) {
+ pr_warn_once("hardware doesn't support wrapped keys\n");
+ return -EOPNOTSUPP;
+ }
return blk_crypto_fallback_start_using_mode(key->crypto_cfg.crypto_mode);
}
+EXPORT_SYMBOL_GPL(blk_crypto_start_using_key);
/**
* blk_crypto_evict_key() - Evict a key from any inline encryption hardware
@@ -409,3 +434,4 @@ int blk_crypto_evict_key(struct request_queue *q,
*/
return blk_crypto_fallback_evict_key(key);
}
+EXPORT_SYMBOL_GPL(blk_crypto_evict_key);
diff --git a/block/blk-ioprio.c b/block/blk-ioprio.c
new file mode 100644
index 0000000..332a077
--- /dev/null
+++ b/block/blk-ioprio.c
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Block rq-qos policy for assigning an I/O priority class to requests.
+ *
+ * Using an rq-qos policy for assigning I/O priority class has two advantages
+ * over using the ioprio_set() system call:
+ *
+ * - This policy is cgroup based so it has all the advantages of cgroups.
+ * - While ioprio_set() does not affect page cache writeback I/O, this rq-qos
+ * controller affects page cache writeback I/O for filesystems that support
+ * assiociating a cgroup with writeback I/O. See also
+ * Documentation/admin-guide/cgroup-v2.rst.
+ */
+
+#include <linux/blk-cgroup.h>
+#include <linux/blk-mq.h>
+#include <linux/blk_types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include "blk-ioprio.h"
+#include "blk-rq-qos.h"
+
+/**
+ * enum prio_policy - I/O priority class policy.
+ * @POLICY_NO_CHANGE: (default) do not modify the I/O priority class.
+ * @POLICY_NONE_TO_RT: modify IOPRIO_CLASS_NONE into IOPRIO_CLASS_RT.
+ * @POLICY_RESTRICT_TO_BE: modify IOPRIO_CLASS_NONE and IOPRIO_CLASS_RT into
+ * IOPRIO_CLASS_BE.
+ * @POLICY_ALL_TO_IDLE: change the I/O priority class into IOPRIO_CLASS_IDLE.
+ *
+ * See also <linux/ioprio.h>.
+ */
+enum prio_policy {
+ POLICY_NO_CHANGE = 0,
+ POLICY_NONE_TO_RT = 1,
+ POLICY_RESTRICT_TO_BE = 2,
+ POLICY_ALL_TO_IDLE = 3,
+};
+
+static const char *policy_name[] = {
+ [POLICY_NO_CHANGE] = "no-change",
+ [POLICY_NONE_TO_RT] = "none-to-rt",
+ [POLICY_RESTRICT_TO_BE] = "restrict-to-be",
+ [POLICY_ALL_TO_IDLE] = "idle",
+};
+
+static struct blkcg_policy ioprio_policy;
+
+/**
+ * struct ioprio_blkg - Per (cgroup, request queue) data.
+ * @pd: blkg_policy_data structure.
+ */
+struct ioprio_blkg {
+ struct blkg_policy_data pd;
+};
+
+/**
+ * struct ioprio_blkcg - Per cgroup data.
+ * @cpd: blkcg_policy_data structure.
+ * @prio_policy: One of the IOPRIO_CLASS_* values. See also <linux/ioprio.h>.
+ */
+struct ioprio_blkcg {
+ struct blkcg_policy_data cpd;
+ enum prio_policy prio_policy;
+};
+
+static inline struct ioprio_blkg *pd_to_ioprio(struct blkg_policy_data *pd)
+{
+ return pd ? container_of(pd, struct ioprio_blkg, pd) : NULL;
+}
+
+static struct ioprio_blkcg *blkcg_to_ioprio_blkcg(struct blkcg *blkcg)
+{
+ return container_of(blkcg_to_cpd(blkcg, &ioprio_policy),
+ struct ioprio_blkcg, cpd);
+}
+
+static struct ioprio_blkcg *
+ioprio_blkcg_from_css(struct cgroup_subsys_state *css)
+{
+ return blkcg_to_ioprio_blkcg(css_to_blkcg(css));
+}
+
+static struct ioprio_blkcg *ioprio_blkcg_from_bio(struct bio *bio)
+{
+ struct blkg_policy_data *pd = blkg_to_pd(bio->bi_blkg, &ioprio_policy);
+
+ if (!pd)
+ return NULL;
+
+ return blkcg_to_ioprio_blkcg(pd->blkg->blkcg);
+}
+
+static int ioprio_show_prio_policy(struct seq_file *sf, void *v)
+{
+ struct ioprio_blkcg *blkcg = ioprio_blkcg_from_css(seq_css(sf));
+
+ seq_printf(sf, "%s\n", policy_name[blkcg->prio_policy]);
+ return 0;
+}
+
+static ssize_t ioprio_set_prio_policy(struct kernfs_open_file *of, char *buf,
+ size_t nbytes, loff_t off)
+{
+ struct ioprio_blkcg *blkcg = ioprio_blkcg_from_css(of_css(of));
+ int ret;
+
+ if (off != 0)
+ return -EIO;
+ /* kernfs_fop_write_iter() terminates 'buf' with '\0'. */
+ ret = sysfs_match_string(policy_name, buf);
+ if (ret < 0)
+ return ret;
+ blkcg->prio_policy = ret;
+
+ return nbytes;
+}
+
+static struct blkg_policy_data *
+ioprio_alloc_pd(gfp_t gfp, struct request_queue *q, struct blkcg *blkcg)
+{
+ struct ioprio_blkg *ioprio_blkg;
+
+ ioprio_blkg = kzalloc(sizeof(*ioprio_blkg), gfp);
+ if (!ioprio_blkg)
+ return NULL;
+
+ return &ioprio_blkg->pd;
+}
+
+static void ioprio_free_pd(struct blkg_policy_data *pd)
+{
+ struct ioprio_blkg *ioprio_blkg = pd_to_ioprio(pd);
+
+ kfree(ioprio_blkg);
+}
+
+static struct blkcg_policy_data *ioprio_alloc_cpd(gfp_t gfp)
+{
+ struct ioprio_blkcg *blkcg;
+
+ blkcg = kzalloc(sizeof(*blkcg), gfp);
+ if (!blkcg)
+ return NULL;
+ blkcg->prio_policy = POLICY_NO_CHANGE;
+ return &blkcg->cpd;
+}
+
+static void ioprio_free_cpd(struct blkcg_policy_data *cpd)
+{
+ struct ioprio_blkcg *blkcg = container_of(cpd, typeof(*blkcg), cpd);
+
+ kfree(blkcg);
+}
+
+#define IOPRIO_ATTRS \
+ { \
+ .name = "prio.class", \
+ .seq_show = ioprio_show_prio_policy, \
+ .write = ioprio_set_prio_policy, \
+ }, \
+ { } /* sentinel */
+
+/* cgroup v2 attributes */
+static struct cftype ioprio_files[] = {
+ IOPRIO_ATTRS
+};
+
+/* cgroup v1 attributes */
+static struct cftype ioprio_legacy_files[] = {
+ IOPRIO_ATTRS
+};
+
+static struct blkcg_policy ioprio_policy = {
+ .dfl_cftypes = ioprio_files,
+ .legacy_cftypes = ioprio_legacy_files,
+
+ .cpd_alloc_fn = ioprio_alloc_cpd,
+ .cpd_free_fn = ioprio_free_cpd,
+
+ .pd_alloc_fn = ioprio_alloc_pd,
+ .pd_free_fn = ioprio_free_pd,
+};
+
+struct blk_ioprio {
+ struct rq_qos rqos;
+};
+
+static void blkcg_ioprio_track(struct rq_qos *rqos, struct request *rq,
+ struct bio *bio)
+{
+ struct ioprio_blkcg *blkcg = ioprio_blkcg_from_bio(bio);
+
+ /*
+ * Except for IOPRIO_CLASS_NONE, higher I/O priority numbers
+ * correspond to a lower priority. Hence, the max_t() below selects
+ * the lower priority of bi_ioprio and the cgroup I/O priority class.
+ * If the cgroup policy has been set to POLICY_NO_CHANGE == 0, the
+ * bio I/O priority is not modified. If the bio I/O priority equals
+ * IOPRIO_CLASS_NONE, the cgroup I/O priority is assigned to the bio.
+ */
+ bio->bi_ioprio = max_t(u16, bio->bi_ioprio,
+ IOPRIO_PRIO_VALUE(blkcg->prio_policy, 0));
+}
+
+static void blkcg_ioprio_exit(struct rq_qos *rqos)
+{
+ struct blk_ioprio *blkioprio_blkg =
+ container_of(rqos, typeof(*blkioprio_blkg), rqos);
+
+ blkcg_deactivate_policy(rqos->q, &ioprio_policy);
+ kfree(blkioprio_blkg);
+}
+
+static struct rq_qos_ops blkcg_ioprio_ops = {
+ .track = blkcg_ioprio_track,
+ .exit = blkcg_ioprio_exit,
+};
+
+int blk_ioprio_init(struct request_queue *q)
+{
+ struct blk_ioprio *blkioprio_blkg;
+ struct rq_qos *rqos;
+ int ret;
+
+ blkioprio_blkg = kzalloc(sizeof(*blkioprio_blkg), GFP_KERNEL);
+ if (!blkioprio_blkg)
+ return -ENOMEM;
+
+ ret = blkcg_activate_policy(q, &ioprio_policy);
+ if (ret) {
+ kfree(blkioprio_blkg);
+ return ret;
+ }
+
+ rqos = &blkioprio_blkg->rqos;
+ rqos->id = RQ_QOS_IOPRIO;
+ rqos->ops = &blkcg_ioprio_ops;
+ rqos->q = q;
+
+ /*
+ * Registering the rq-qos policy after activating the blk-cgroup
+ * policy guarantees that ioprio_blkcg_from_bio(bio) != NULL in the
+ * rq-qos callbacks.
+ */
+ rq_qos_add(q, rqos);
+
+ return 0;
+}
+
+static int __init ioprio_init(void)
+{
+ return blkcg_policy_register(&ioprio_policy);
+}
+
+static void __exit ioprio_exit(void)
+{
+ blkcg_policy_unregister(&ioprio_policy);
+}
+
+module_init(ioprio_init);
+module_exit(ioprio_exit);
diff --git a/block/blk-ioprio.h b/block/blk-ioprio.h
new file mode 100644
index 0000000..a7785c2
--- /dev/null
+++ b/block/blk-ioprio.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _BLK_IOPRIO_H_
+#define _BLK_IOPRIO_H_
+
+#include <linux/kconfig.h>
+
+struct request_queue;
+
+#ifdef CONFIG_BLK_CGROUP_IOPRIO
+int blk_ioprio_init(struct request_queue *q);
+#else
+static inline int blk_ioprio_init(struct request_queue *q)
+{
+ return 0;
+}
+#endif
+
+#endif /* _BLK_IOPRIO_H_ */
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index b5f2608..43d4e9d 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -940,6 +940,21 @@ void blk_mq_debugfs_unregister_sched(struct request_queue *q)
q->sched_debugfs_dir = NULL;
}
+static const char *rq_qos_id_to_name(enum rq_qos_id id)
+{
+ switch (id) {
+ case RQ_QOS_WBT:
+ return "wbt";
+ case RQ_QOS_LATENCY:
+ return "latency";
+ case RQ_QOS_COST:
+ return "cost";
+ case RQ_QOS_IOPRIO:
+ return "ioprio";
+ }
+ return "unknown";
+}
+
void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)
{
debugfs_remove_recursive(rqos->debugfs_dir);
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 24c0896..581be65 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -75,8 +75,7 @@ void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx)
blk_mq_run_hw_queue(hctx, true);
}
-static int sched_rq_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int sched_rq_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct request *rqa = container_of(a, struct request, queuelist);
struct request *rqb = container_of(b, struct request, queuelist);
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h
index f887988..689cd1e 100644
--- a/block/blk-mq-tag.h
+++ b/block/blk-mq-tag.h
@@ -26,6 +26,8 @@ struct blk_mq_tags {
* request pool
*/
spinlock_t lock;
+
+ ANDROID_OEM_DATA(1);
};
extern struct blk_mq_tags *blk_mq_init_tags(unsigned int nr_tags,
diff --git a/block/blk-mq-virtio.c b/block/blk-mq-virtio.c
index 7b8a42c..78b2b4f 100644
--- a/block/blk-mq-virtio.c
+++ b/block/blk-mq-virtio.c
@@ -44,3 +44,6 @@ int blk_mq_virtio_map_queues(struct blk_mq_queue_map *qmap,
return blk_mq_map_queues(qmap);
}
EXPORT_SYMBOL_GPL(blk_mq_virtio_map_queues);
+
+MODULE_DESCRIPTION("Virtio Device Default Queue Mapping");
+MODULE_LICENSE("GPL v2");
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 15a11a2..db5146a 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -41,6 +41,8 @@
#include "blk-mq-sched.h"
#include "blk-rq-qos.h"
+#include <trace/hooks/block.h>
+
static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
static void blk_mq_poll_stats_start(struct request_queue *q);
@@ -105,7 +107,8 @@ static bool blk_mq_check_inflight(struct blk_mq_hw_ctx *hctx,
{
struct mq_inflight *mi = priv;
- if (rq->part == mi->part && blk_mq_rq_state(rq) == MQ_RQ_IN_FLIGHT)
+ if ((!mi->part->partno || rq->part == mi->part) &&
+ blk_mq_rq_state(rq) == MQ_RQ_IN_FLIGHT)
mi->inflight[rq_data_dir(rq)]++;
return true;
@@ -340,6 +343,7 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
}
data->hctx->queued++;
+ trace_android_vh_blk_rq_ctx_init(rq, tags, data, alloc_time_ns);
return rq;
}
@@ -1648,6 +1652,42 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async)
}
EXPORT_SYMBOL(blk_mq_run_hw_queue);
+/*
+ * Is the request queue handled by an IO scheduler that does not respect
+ * hardware queues when dispatching?
+ */
+static bool blk_mq_has_sqsched(struct request_queue *q)
+{
+ struct elevator_queue *e = q->elevator;
+
+ if (e && e->type->ops.dispatch_request &&
+ !(e->type->elevator_features & ELEVATOR_F_MQ_AWARE))
+ return true;
+ return false;
+}
+
+/*
+ * Return prefered queue to dispatch from (if any) for non-mq aware IO
+ * scheduler.
+ */
+static struct blk_mq_hw_ctx *blk_mq_get_sq_hctx(struct request_queue *q)
+{
+ struct blk_mq_hw_ctx *hctx;
+
+ /*
+ * If the IO scheduler does not respect hardware queues when
+ * dispatching, we just don't bother with multiple HW queues and
+ * dispatch from hctx for the current CPU since running multiple queues
+ * just causes lock contention inside the scheduler and pointless cache
+ * bouncing.
+ */
+ hctx = blk_mq_map_queue_type(q, HCTX_TYPE_DEFAULT,
+ raw_smp_processor_id());
+ if (!blk_mq_hctx_stopped(hctx))
+ return hctx;
+ return NULL;
+}
+
/**
* blk_mq_run_hw_queues - Run all hardware queues in a request queue.
* @q: Pointer to the request queue to run.
@@ -1655,14 +1695,23 @@ EXPORT_SYMBOL(blk_mq_run_hw_queue);
*/
void blk_mq_run_hw_queues(struct request_queue *q, bool async)
{
- struct blk_mq_hw_ctx *hctx;
+ struct blk_mq_hw_ctx *hctx, *sq_hctx;
int i;
+ sq_hctx = NULL;
+ if (blk_mq_has_sqsched(q))
+ sq_hctx = blk_mq_get_sq_hctx(q);
queue_for_each_hw_ctx(q, hctx, i) {
if (blk_mq_hctx_stopped(hctx))
continue;
-
- blk_mq_run_hw_queue(hctx, async);
+ /*
+ * Dispatch from this hctx either if there's no hctx preferred
+ * by IO scheduler or if it has requests that bypass the
+ * scheduler.
+ */
+ if (!sq_hctx || sq_hctx == hctx ||
+ !list_empty_careful(&hctx->dispatch))
+ blk_mq_run_hw_queue(hctx, async);
}
}
EXPORT_SYMBOL(blk_mq_run_hw_queues);
@@ -1674,14 +1723,23 @@ EXPORT_SYMBOL(blk_mq_run_hw_queues);
*/
void blk_mq_delay_run_hw_queues(struct request_queue *q, unsigned long msecs)
{
- struct blk_mq_hw_ctx *hctx;
+ struct blk_mq_hw_ctx *hctx, *sq_hctx;
int i;
+ sq_hctx = NULL;
+ if (blk_mq_has_sqsched(q))
+ sq_hctx = blk_mq_get_sq_hctx(q);
queue_for_each_hw_ctx(q, hctx, i) {
if (blk_mq_hctx_stopped(hctx))
continue;
-
- blk_mq_delay_run_hw_queue(hctx, msecs);
+ /*
+ * Dispatch from this hctx either if there's no hctx preferred
+ * by IO scheduler or if it has requests that bypass the
+ * scheduler.
+ */
+ if (!sq_hctx || sq_hctx == hctx ||
+ !list_empty_careful(&hctx->dispatch))
+ blk_mq_delay_run_hw_queue(hctx, msecs);
}
}
EXPORT_SYMBOL(blk_mq_delay_run_hw_queues);
@@ -1870,8 +1928,7 @@ void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
spin_unlock(&ctx->lock);
}
-static int plug_rq_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int plug_rq_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct request *rqa = container_of(a, struct request, queuelist);
struct request *rqb = container_of(b, struct request, queuelist);
@@ -2422,6 +2479,7 @@ int blk_mq_alloc_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
*/
rq_size = round_up(sizeof(struct request) + set->cmd_size,
cache_line_size());
+ trace_android_vh_blk_alloc_rqs(&rq_size, set, tags);
left = rq_size * depth;
for (i = 0; i < depth; ) {
@@ -2733,7 +2791,6 @@ blk_mq_alloc_hctx(struct request_queue *q, struct blk_mq_tag_set *set,
goto free_hctx;
atomic_set(&hctx->nr_active, 0);
- atomic_set(&hctx->elevator_queued, 0);
if (node == NUMA_NO_NODE)
node = set->numa_node;
hctx->numa_node = node;
diff --git a/block/blk-mq.h b/block/blk-mq.h
index f792a09..d533ab5 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -35,6 +35,8 @@ struct blk_mq_ctx {
struct request_queue *queue;
struct blk_mq_ctxs *ctxs;
struct kobject kobj;
+
+ ANDROID_OEM_DATA_ARRAY(1, 2);
} ____cacheline_aligned_in_smp;
void blk_mq_exit_queue(struct request_queue *q);
diff --git a/block/blk-pm.h b/block/blk-pm.h
index a2283cc..ea5507d 100644
--- a/block/blk-pm.h
+++ b/block/blk-pm.h
@@ -6,14 +6,11 @@
#include <linux/pm_runtime.h>
#ifdef CONFIG_PM
-static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
+static inline void blk_pm_request_resume(struct request_queue *q)
{
- if (!q->dev || !blk_queue_pm_only(q))
- return 1; /* Nothing to do */
- if (pm && q->rpm_status != RPM_SUSPENDED)
- return 1; /* Request allowed */
- pm_request_resume(q->dev);
- return 0;
+ if (q->dev && (q->rpm_status == RPM_SUSPENDED ||
+ q->rpm_status == RPM_SUSPENDING))
+ pm_request_resume(q->dev);
}
static inline void blk_pm_mark_last_busy(struct request *rq)
@@ -47,9 +44,8 @@ static inline void blk_pm_put_request(struct request *rq)
--rq->q->nr_pending;
}
#else
-static inline int blk_pm_resume_queue(const bool pm, struct request_queue *q)
+static inline void blk_pm_request_resume(struct request_queue *q)
{
- return 1;
}
static inline void blk_pm_mark_last_busy(struct request *rq)
diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h
index 2bcb349..f000f83 100644
--- a/block/blk-rq-qos.h
+++ b/block/blk-rq-qos.h
@@ -17,6 +17,7 @@ enum rq_qos_id {
RQ_QOS_WBT,
RQ_QOS_LATENCY,
RQ_QOS_COST,
+ RQ_QOS_IOPRIO,
};
struct rq_wait {
@@ -79,19 +80,6 @@ static inline struct rq_qos *blkcg_rq_qos(struct request_queue *q)
return rq_qos_id(q, RQ_QOS_LATENCY);
}
-static inline const char *rq_qos_id_to_name(enum rq_qos_id id)
-{
- switch (id) {
- case RQ_QOS_WBT:
- return "wbt";
- case RQ_QOS_LATENCY:
- return "latency";
- case RQ_QOS_COST:
- return "cost";
- }
- return "unknown";
-}
-
static inline void rq_wait_init(struct rq_wait *rq_wait)
{
atomic_set(&rq_wait->inflight, 0);
diff --git a/block/bsg.c b/block/bsg.c
index 2cbc1fc..62707c7 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -12,6 +12,7 @@
#include <linux/idr.h>
#include <linux/bsg.h>
#include <linux/slab.h>
+#include <linux/pm_runtime.h>
#include <scsi/scsi.h>
#include <scsi/scsi_ioctl.h>
@@ -308,12 +309,15 @@ static struct bsg_device *bsg_get_device(struct inode *inode, struct file *file)
static int bsg_open(struct inode *inode, struct file *file)
{
struct bsg_device *bd;
+ struct bsg_class_device *bcd;
bd = bsg_get_device(inode, file);
if (IS_ERR(bd))
return PTR_ERR(bd);
+ bcd = &bd->queue->bsg_dev;
+ pm_runtime_get_sync(bcd->class_dev->parent);
file->private_data = bd;
return 0;
}
@@ -321,8 +325,12 @@ static int bsg_open(struct inode *inode, struct file *file)
static int bsg_release(struct inode *inode, struct file *file)
{
struct bsg_device *bd = file->private_data;
+ struct bsg_class_device *bcd;
file->private_data = NULL;
+
+ bcd = &bd->queue->bsg_dev;
+ pm_runtime_put_sync(bcd->class_dev->parent);
return bsg_put_device(bd);
}
diff --git a/block/elevator.c b/block/elevator.c
index 2a52586..4ce6b22 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -624,6 +624,9 @@ static inline bool elv_support_iosched(struct request_queue *q)
*/
static struct elevator_type *elevator_get_default(struct request_queue *q)
{
+ if (q->tag_set && q->tag_set->flags & BLK_MQ_F_NO_SCHED_BY_DEFAULT)
+ return NULL;
+
if (q->nr_hw_queues != 1)
return NULL;
diff --git a/block/keyslot-manager.c b/block/keyslot-manager.c
index 86f8195..7ba541f 100644
--- a/block/keyslot-manager.c
+++ b/block/keyslot-manager.c
@@ -29,6 +29,7 @@
#define pr_fmt(fmt) "blk-crypto: " fmt
#include <linux/keyslot-manager.h>
+#include <linux/device.h>
#include <linux/atomic.h>
#include <linux/mutex.h>
#include <linux/pm_runtime.h>
@@ -62,6 +63,11 @@ static inline void blk_ksm_hw_exit(struct blk_keyslot_manager *ksm)
pm_runtime_put_sync(ksm->dev);
}
+static inline bool blk_ksm_is_passthrough(struct blk_keyslot_manager *ksm)
+{
+ return ksm->num_slots == 0;
+}
+
/**
* blk_ksm_init() - Initialize a keyslot manager
* @ksm: The keyslot_manager to initialize.
@@ -127,6 +133,34 @@ int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots)
}
EXPORT_SYMBOL_GPL(blk_ksm_init);
+static void blk_ksm_destroy_callback(void *ksm)
+{
+ blk_ksm_destroy(ksm);
+}
+
+/**
+ * devm_blk_ksm_init() - Resource-managed blk_ksm_init()
+ * @dev: The device which owns the blk_keyslot_manager.
+ * @ksm: The blk_keyslot_manager to initialize.
+ * @num_slots: The number of key slots to manage.
+ *
+ * Like blk_ksm_init(), but causes blk_ksm_destroy() to be called automatically
+ * on driver detach.
+ *
+ * Return: 0 on success, or else a negative error code.
+ */
+int devm_blk_ksm_init(struct device *dev, struct blk_keyslot_manager *ksm,
+ unsigned int num_slots)
+{
+ int err = blk_ksm_init(ksm, num_slots);
+
+ if (err)
+ return err;
+
+ return devm_add_action_or_reset(dev, blk_ksm_destroy_callback, ksm);
+}
+EXPORT_SYMBOL_GPL(devm_blk_ksm_init);
+
static inline struct hlist_head *
blk_ksm_hash_bucket_for_key(struct blk_keyslot_manager *ksm,
const struct blk_crypto_key *key)
@@ -205,6 +239,10 @@ blk_status_t blk_ksm_get_slot_for_key(struct blk_keyslot_manager *ksm,
int err;
*slot_ptr = NULL;
+
+ if (blk_ksm_is_passthrough(ksm))
+ return BLK_STS_OK;
+
down_read(&ksm->lock);
slot = blk_ksm_find_and_grab_keyslot(ksm, key);
up_read(&ksm->lock);
@@ -302,6 +340,13 @@ bool blk_ksm_crypto_cfg_supported(struct blk_keyslot_manager *ksm,
return false;
if (ksm->max_dun_bytes_supported < cfg->dun_bytes)
return false;
+ if (cfg->is_hw_wrapped) {
+ if (!(ksm->features & BLK_CRYPTO_FEATURE_WRAPPED_KEYS))
+ return false;
+ } else {
+ if (!(ksm->features & BLK_CRYPTO_FEATURE_STANDARD_KEYS))
+ return false;
+ }
return true;
}
@@ -325,6 +370,16 @@ int blk_ksm_evict_key(struct blk_keyslot_manager *ksm,
struct blk_ksm_keyslot *slot;
int err = 0;
+ if (blk_ksm_is_passthrough(ksm)) {
+ if (ksm->ksm_ll_ops.keyslot_evict) {
+ blk_ksm_hw_enter(ksm);
+ err = ksm->ksm_ll_ops.keyslot_evict(ksm, key, -1);
+ blk_ksm_hw_exit(ksm);
+ return err;
+ }
+ return 0;
+ }
+
blk_ksm_hw_enter(ksm);
slot = blk_ksm_find_keyslot(ksm, key);
if (!slot)
@@ -360,6 +415,9 @@ void blk_ksm_reprogram_all_keys(struct blk_keyslot_manager *ksm)
{
unsigned int slot;
+ if (blk_ksm_is_passthrough(ksm))
+ return;
+
/* This is for device initialization, so don't resume the device */
down_write(&ksm->lock);
for (slot = 0; slot < ksm->num_slots; slot++) {
@@ -401,3 +459,172 @@ void blk_ksm_unregister(struct request_queue *q)
{
q->ksm = NULL;
}
+
+/**
+ * blk_ksm_derive_raw_secret() - Derive software secret from wrapped key
+ * @ksm: The keyslot manager
+ * @wrapped_key: The wrapped key
+ * @wrapped_key_size: Size of the wrapped key in bytes
+ * @secret: (output) the software secret
+ * @secret_size: (output) the number of secret bytes to derive
+ *
+ * Given a hardware-wrapped key, ask the hardware to derive a secret which
+ * software can use for cryptographic tasks other than inline encryption. The
+ * derived secret is guaranteed to be cryptographically isolated from the key
+ * with which any inline encryption with this wrapped key would actually be
+ * done. I.e., both will be derived from the unwrapped key.
+ *
+ * Return: 0 on success, -EOPNOTSUPP if hardware-wrapped keys are unsupported,
+ * or another -errno code.
+ */
+int blk_ksm_derive_raw_secret(struct blk_keyslot_manager *ksm,
+ const u8 *wrapped_key,
+ unsigned int wrapped_key_size,
+ u8 *secret, unsigned int secret_size)
+{
+ int err;
+
+ if (ksm->ksm_ll_ops.derive_raw_secret) {
+ blk_ksm_hw_enter(ksm);
+ err = ksm->ksm_ll_ops.derive_raw_secret(ksm, wrapped_key,
+ wrapped_key_size,
+ secret, secret_size);
+ blk_ksm_hw_exit(ksm);
+ } else {
+ err = -EOPNOTSUPP;
+ }
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_derive_raw_secret);
+
+/**
+ * blk_ksm_intersect_modes() - restrict supported modes by child device
+ * @parent: The keyslot manager for parent device
+ * @child: The keyslot manager for child device, or NULL
+ *
+ * Clear any crypto mode support bits in @parent that aren't set in @child.
+ * If @child is NULL, then all parent bits are cleared.
+ *
+ * Only use this when setting up the keyslot manager for a layered device,
+ * before it's been exposed yet.
+ */
+void blk_ksm_intersect_modes(struct blk_keyslot_manager *parent,
+ const struct blk_keyslot_manager *child)
+{
+ if (child) {
+ unsigned int i;
+
+ parent->max_dun_bytes_supported =
+ min(parent->max_dun_bytes_supported,
+ child->max_dun_bytes_supported);
+ for (i = 0; i < ARRAY_SIZE(child->crypto_modes_supported);
+ i++) {
+ parent->crypto_modes_supported[i] &=
+ child->crypto_modes_supported[i];
+ }
+ parent->features &= child->features;
+ } else {
+ parent->max_dun_bytes_supported = 0;
+ memset(parent->crypto_modes_supported, 0,
+ sizeof(parent->crypto_modes_supported));
+ parent->features = 0;
+ }
+}
+EXPORT_SYMBOL_GPL(blk_ksm_intersect_modes);
+
+/**
+ * blk_ksm_is_superset() - Check if a KSM supports a superset of crypto modes
+ * and DUN bytes that another KSM supports. Here,
+ * "superset" refers to the mathematical meaning of the
+ * word - i.e. if two KSMs have the *same* capabilities,
+ * they *are* considered supersets of each other.
+ * @ksm_superset: The KSM that we want to verify is a superset
+ * @ksm_subset: The KSM that we want to verify is a subset
+ *
+ * Return: True if @ksm_superset supports a superset of the crypto modes and DUN
+ * bytes that @ksm_subset supports.
+ */
+bool blk_ksm_is_superset(struct blk_keyslot_manager *ksm_superset,
+ struct blk_keyslot_manager *ksm_subset)
+{
+ int i;
+
+ if (!ksm_subset)
+ return true;
+
+ if (!ksm_superset)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(ksm_superset->crypto_modes_supported); i++) {
+ if (ksm_subset->crypto_modes_supported[i] &
+ (~ksm_superset->crypto_modes_supported[i])) {
+ return false;
+ }
+ }
+
+ if (ksm_subset->max_dun_bytes_supported >
+ ksm_superset->max_dun_bytes_supported) {
+ return false;
+ }
+
+ if (ksm_subset->features & ~ksm_superset->features)
+ return false;
+
+ return true;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_is_superset);
+
+/**
+ * blk_ksm_update_capabilities() - Update the restrictions of a KSM to those of
+ * another KSM
+ * @target_ksm: The KSM whose restrictions to update.
+ * @reference_ksm: The KSM to whose restrictions this function will update
+ * @target_ksm's restrictions to.
+ *
+ * Blk-crypto requires that crypto capabilities that were
+ * advertised when a bio was created continue to be supported by the
+ * device until that bio is ended. This is turn means that a device cannot
+ * shrink its advertised crypto capabilities without any explicit
+ * synchronization with upper layers. So if there's no such explicit
+ * synchronization, @reference_ksm must support all the crypto capabilities that
+ * @target_ksm does
+ * (i.e. we need blk_ksm_is_superset(@reference_ksm, @target_ksm) == true).
+ *
+ * Note also that as long as the crypto capabilities are being expanded, the
+ * order of updates becoming visible is not important because it's alright
+ * for blk-crypto to see stale values - they only cause blk-crypto to
+ * believe that a crypto capability isn't supported when it actually is (which
+ * might result in blk-crypto-fallback being used if available, or the bio being
+ * failed).
+ */
+void blk_ksm_update_capabilities(struct blk_keyslot_manager *target_ksm,
+ struct blk_keyslot_manager *reference_ksm)
+{
+ memcpy(target_ksm->crypto_modes_supported,
+ reference_ksm->crypto_modes_supported,
+ sizeof(target_ksm->crypto_modes_supported));
+
+ target_ksm->max_dun_bytes_supported =
+ reference_ksm->max_dun_bytes_supported;
+
+ target_ksm->features = reference_ksm->features;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_update_capabilities);
+
+/**
+ * blk_ksm_init_passthrough() - Init a passthrough keyslot manager
+ * @ksm: The keyslot manager to init
+ *
+ * Initialize a passthrough keyslot manager.
+ * Called by e.g. storage drivers to set up a keyslot manager in their
+ * request_queue, when the storage driver wants to manage its keys by itself.
+ * This is useful for inline encryption hardware that doesn't have the concept
+ * of keyslots, and for layered devices.
+ */
+void blk_ksm_init_passthrough(struct blk_keyslot_manager *ksm)
+{
+ memset(ksm, 0, sizeof(*ksm));
+ init_rwsem(&ksm->lock);
+}
+EXPORT_SYMBOL_GPL(blk_ksm_init_passthrough);
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index 7f9ef77..54e6de6 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -1030,6 +1030,7 @@ static struct elevator_type kyber_sched = {
#endif
.elevator_attrs = kyber_sched_attrs,
.elevator_name = "kyber",
+ .elevator_features = ELEVATOR_F_MQ_AWARE,
.elevator_owner = THIS_MODULE,
};
diff --git a/block/mq-deadline-cgroup.c b/block/mq-deadline-cgroup.c
new file mode 100644
index 0000000..3b4bfdd
--- /dev/null
+++ b/block/mq-deadline-cgroup.c
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/blk-cgroup.h>
+#include <linux/ioprio.h>
+
+#include "mq-deadline-cgroup.h"
+
+static struct blkcg_policy dd_blkcg_policy;
+
+static struct blkcg_policy_data *dd_cpd_alloc(gfp_t gfp)
+{
+ struct dd_blkcg *pd;
+
+ pd = kzalloc(sizeof(*pd), gfp);
+ if (!pd)
+ return NULL;
+ pd->stats = alloc_percpu_gfp(typeof(*pd->stats),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!pd->stats) {
+ kfree(pd);
+ return NULL;
+ }
+ return &pd->cpd;
+}
+
+static void dd_cpd_free(struct blkcg_policy_data *cpd)
+{
+ struct dd_blkcg *dd_blkcg = container_of(cpd, typeof(*dd_blkcg), cpd);
+
+ free_percpu(dd_blkcg->stats);
+ kfree(dd_blkcg);
+}
+
+static struct dd_blkcg *dd_blkcg_from_pd(struct blkg_policy_data *pd)
+{
+ return container_of(blkcg_to_cpd(pd->blkg->blkcg, &dd_blkcg_policy),
+ struct dd_blkcg, cpd);
+}
+
+/*
+ * Convert an association between a block cgroup and a request queue into a
+ * pointer to the mq-deadline information associated with a (blkcg, queue) pair.
+ */
+struct dd_blkcg *dd_blkcg_from_bio(struct bio *bio)
+{
+ struct blkg_policy_data *pd;
+
+ pd = blkg_to_pd(bio->bi_blkg, &dd_blkcg_policy);
+ if (!pd)
+ return NULL;
+
+ return dd_blkcg_from_pd(pd);
+}
+
+static size_t dd_pd_stat(struct blkg_policy_data *pd, char *buf, size_t size)
+{
+ static const char *const prio_class_name[] = {
+ [IOPRIO_CLASS_NONE] = "NONE",
+ [IOPRIO_CLASS_RT] = "RT",
+ [IOPRIO_CLASS_BE] = "BE",
+ [IOPRIO_CLASS_IDLE] = "IDLE",
+ };
+ struct dd_blkcg *blkcg = dd_blkcg_from_pd(pd);
+ int res = 0;
+ u8 prio;
+
+ for (prio = 0; prio < ARRAY_SIZE(blkcg->stats->stats); prio++)
+ res += scnprintf(buf + res, size - res,
+ " [%s] dispatched=%u inserted=%u merged=%u",
+ prio_class_name[prio],
+ ddcg_sum(blkcg, dispatched, prio) +
+ ddcg_sum(blkcg, merged, prio) -
+ ddcg_sum(blkcg, completed, prio),
+ ddcg_sum(blkcg, inserted, prio) -
+ ddcg_sum(blkcg, completed, prio),
+ ddcg_sum(blkcg, merged, prio));
+
+ return res;
+}
+
+static struct blkg_policy_data *dd_pd_alloc(gfp_t gfp, struct request_queue *q,
+ struct blkcg *blkcg)
+{
+ struct dd_blkg *pd;
+
+ pd = kzalloc(sizeof(*pd), gfp);
+ if (!pd)
+ return NULL;
+ return &pd->pd;
+}
+
+static void dd_pd_free(struct blkg_policy_data *pd)
+{
+ struct dd_blkg *dd_blkg = container_of(pd, typeof(*dd_blkg), pd);
+
+ kfree(dd_blkg);
+}
+
+static struct blkcg_policy dd_blkcg_policy = {
+ .cpd_alloc_fn = dd_cpd_alloc,
+ .cpd_free_fn = dd_cpd_free,
+
+ .pd_alloc_fn = dd_pd_alloc,
+ .pd_free_fn = dd_pd_free,
+ .pd_stat_fn = dd_pd_stat,
+};
+
+int dd_activate_policy(struct request_queue *q)
+{
+ return blkcg_activate_policy(q, &dd_blkcg_policy);
+}
+
+void dd_deactivate_policy(struct request_queue *q)
+{
+ blkcg_deactivate_policy(q, &dd_blkcg_policy);
+}
+
+int __init dd_blkcg_init(void)
+{
+ return blkcg_policy_register(&dd_blkcg_policy);
+}
+
+void __exit dd_blkcg_exit(void)
+{
+ blkcg_policy_unregister(&dd_blkcg_policy);
+}
diff --git a/block/mq-deadline-cgroup.h b/block/mq-deadline-cgroup.h
new file mode 100644
index 0000000..0143fd7
--- /dev/null
+++ b/block/mq-deadline-cgroup.h
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#if !defined(_MQ_DEADLINE_CGROUP_H_)
+#define _MQ_DEADLINE_CGROUP_H_
+
+#include <linux/blk-cgroup.h>
+
+struct request_queue;
+
+/**
+ * struct io_stats_per_prio - I/O statistics per I/O priority class.
+ * @inserted: Number of inserted requests.
+ * @merged: Number of merged requests.
+ * @dispatched: Number of dispatched requests.
+ * @completed: Number of I/O completions.
+ */
+struct io_stats_per_prio {
+ local_t inserted;
+ local_t merged;
+ local_t dispatched;
+ local_t completed;
+};
+
+/* I/O statistics per I/O cgroup per I/O priority class (IOPRIO_CLASS_*). */
+struct blkcg_io_stats {
+ struct io_stats_per_prio stats[4];
+};
+
+/**
+ * struct dd_blkcg - Per cgroup data.
+ * @cpd: blkcg_policy_data structure.
+ * @stats: I/O statistics.
+ */
+struct dd_blkcg {
+ struct blkcg_policy_data cpd; /* must be the first member */
+ struct blkcg_io_stats __percpu *stats;
+};
+
+/*
+ * Count one event of type 'event_type' and with I/O priority class
+ * 'prio_class'.
+ */
+#define ddcg_count(ddcg, event_type, prio_class) do { \
+if (ddcg) { \
+ struct blkcg_io_stats *io_stats = get_cpu_ptr((ddcg)->stats); \
+ \
+ BUILD_BUG_ON(!__same_type((ddcg), struct dd_blkcg *)); \
+ BUILD_BUG_ON(!__same_type((prio_class), u8)); \
+ local_inc(&io_stats->stats[(prio_class)].event_type); \
+ put_cpu_ptr(io_stats); \
+} \
+} while (0)
+
+/*
+ * Returns the total number of ddcg_count(ddcg, event_type, prio_class) calls
+ * across all CPUs. No locking or barriers since it is fine if the returned
+ * sum is slightly outdated.
+ */
+#define ddcg_sum(ddcg, event_type, prio) ({ \
+ unsigned int cpu; \
+ u32 sum = 0; \
+ \
+ BUILD_BUG_ON(!__same_type((ddcg), struct dd_blkcg *)); \
+ BUILD_BUG_ON(!__same_type((prio), u8)); \
+ for_each_present_cpu(cpu) \
+ sum += local_read(&per_cpu_ptr((ddcg)->stats, cpu)-> \
+ stats[(prio)].event_type); \
+ sum; \
+})
+
+#ifdef CONFIG_BLK_CGROUP
+
+/**
+ * struct dd_blkg - Per (cgroup, request queue) data.
+ * @pd: blkg_policy_data structure.
+ */
+struct dd_blkg {
+ struct blkg_policy_data pd; /* must be the first member */
+};
+
+struct dd_blkcg *dd_blkcg_from_bio(struct bio *bio);
+int dd_activate_policy(struct request_queue *q);
+void dd_deactivate_policy(struct request_queue *q);
+int __init dd_blkcg_init(void);
+void __exit dd_blkcg_exit(void);
+
+#else /* CONFIG_BLK_CGROUP */
+
+static inline struct dd_blkcg *dd_blkcg_from_bio(struct bio *bio)
+{
+ return NULL;
+}
+
+static inline int dd_activate_policy(struct request_queue *q)
+{
+ return 0;
+}
+
+static inline void dd_deactivate_policy(struct request_queue *q)
+{
+}
+
+static inline int dd_blkcg_init(void)
+{
+ return 0;
+}
+
+static inline void dd_blkcg_exit(void)
+{
+}
+
+#endif /* CONFIG_BLK_CGROUP */
+
+#endif /* _MQ_DEADLINE_CGROUP_H_ */
diff --git a/block/mq-deadline-main.c b/block/mq-deadline-main.c
new file mode 100644
index 0000000..f441bf5
--- /dev/null
+++ b/block/mq-deadline-main.c
@@ -0,0 +1,1172 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MQ Deadline i/o scheduler - adaptation of the legacy deadline scheduler,
+ * for the blk-mq scheduling framework
+ *
+ * Copyright (C) 2016 Jens Axboe <axboe@kernel.dk>
+ */
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
+#include <linux/elevator.h>
+#include <linux/bio.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/compiler.h>
+#include <linux/rbtree.h>
+#include <linux/sbitmap.h>
+
+#include "blk.h"
+#include "blk-mq.h"
+#include "blk-mq-debugfs.h"
+#include "blk-mq-tag.h"
+#include "blk-mq-sched.h"
+#include "mq-deadline-cgroup.h"
+
+/*
+ * See Documentation/block/deadline-iosched.rst
+ */
+static const int read_expire = HZ / 2; /* max time before a read is submitted. */
+static const int write_expire = 5 * HZ; /* ditto for writes, these limits are SOFT! */
+/*
+ * Time after which to dispatch lower priority requests even if higher
+ * priority requests are pending.
+ */
+static const int aging_expire = 10 * HZ;
+static const int writes_starved = 2; /* max times reads can starve a write */
+static const int fifo_batch = 16; /* # of sequential requests treated as one
+ by the above parameters. For throughput. */
+
+enum dd_data_dir {
+ DD_READ = READ,
+ DD_WRITE = WRITE,
+};
+
+enum { DD_DIR_COUNT = 2 };
+
+enum dd_prio {
+ DD_RT_PRIO = 0,
+ DD_BE_PRIO = 1,
+ DD_IDLE_PRIO = 2,
+ DD_PRIO_MAX = 2,
+};
+
+enum { DD_PRIO_COUNT = 3 };
+
+/* I/O statistics for all I/O priorities (enum dd_prio). */
+struct io_stats {
+ struct io_stats_per_prio stats[DD_PRIO_COUNT];
+};
+
+/*
+ * Deadline scheduler data per I/O priority (enum dd_prio). Requests are
+ * present on both sort_list[] and fifo_list[].
+ */
+struct dd_per_prio {
+ struct list_head dispatch;
+ struct rb_root sort_list[DD_DIR_COUNT];
+ struct list_head fifo_list[DD_DIR_COUNT];
+ /* Next request in FIFO order. Read, write or both are NULL. */
+ struct request *next_rq[DD_DIR_COUNT];
+};
+
+struct deadline_data {
+ /*
+ * run time data
+ */
+
+ /* Request queue that owns this data structure. */
+ struct request_queue *queue;
+
+ struct dd_per_prio per_prio[DD_PRIO_COUNT];
+
+ /* Data direction of latest dispatched request. */
+ enum dd_data_dir last_dir;
+ unsigned int batching; /* number of sequential requests made */
+ unsigned int starved; /* times reads have starved writes */
+
+ struct io_stats __percpu *stats;
+
+ /*
+ * settings that change how the i/o scheduler behaves
+ */
+ int fifo_expire[DD_DIR_COUNT];
+ int fifo_batch;
+ int writes_starved;
+ int front_merges;
+ u32 async_depth;
+ int aging_expire;
+
+ spinlock_t lock;
+ spinlock_t zone_lock;
+};
+
+/* Count one event of type 'event_type' and with I/O priority 'prio' */
+#define dd_count(dd, event_type, prio) do { \
+ struct io_stats *io_stats = get_cpu_ptr((dd)->stats); \
+ \
+ BUILD_BUG_ON(!__same_type((dd), struct deadline_data *)); \
+ BUILD_BUG_ON(!__same_type((prio), enum dd_prio)); \
+ local_inc(&io_stats->stats[(prio)].event_type); \
+ put_cpu_ptr(io_stats); \
+} while (0)
+
+/*
+ * Returns the total number of dd_count(dd, event_type, prio) calls across all
+ * CPUs. No locking or barriers since it is fine if the returned sum is slightly
+ * outdated.
+ */
+#define dd_sum(dd, event_type, prio) ({ \
+ unsigned int cpu; \
+ u32 sum = 0; \
+ \
+ BUILD_BUG_ON(!__same_type((dd), struct deadline_data *)); \
+ BUILD_BUG_ON(!__same_type((prio), enum dd_prio)); \
+ for_each_present_cpu(cpu) \
+ sum += local_read(&per_cpu_ptr((dd)->stats, cpu)-> \
+ stats[(prio)].event_type); \
+ sum; \
+})
+
+/* Maps an I/O priority class to a deadline scheduler priority. */
+static const enum dd_prio ioprio_class_to_prio[] = {
+ [IOPRIO_CLASS_NONE] = DD_BE_PRIO,
+ [IOPRIO_CLASS_RT] = DD_RT_PRIO,
+ [IOPRIO_CLASS_BE] = DD_BE_PRIO,
+ [IOPRIO_CLASS_IDLE] = DD_IDLE_PRIO,
+};
+
+static inline struct rb_root *
+deadline_rb_root(struct dd_per_prio *per_prio, struct request *rq)
+{
+ return &per_prio->sort_list[rq_data_dir(rq)];
+}
+
+/*
+ * Returns the I/O priority class (IOPRIO_CLASS_*) that has been assigned to a
+ * request.
+ */
+static u8 dd_rq_ioclass(struct request *rq)
+{
+ return IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
+}
+
+/*
+ * get the request after `rq' in sector-sorted order
+ */
+static inline struct request *
+deadline_latter_request(struct request *rq)
+{
+ struct rb_node *node = rb_next(&rq->rb_node);
+
+ if (node)
+ return rb_entry_rq(node);
+
+ return NULL;
+}
+
+static void
+deadline_add_rq_rb(struct dd_per_prio *per_prio, struct request *rq)
+{
+ struct rb_root *root = deadline_rb_root(per_prio, rq);
+
+ elv_rb_add(root, rq);
+}
+
+static inline void
+deadline_del_rq_rb(struct dd_per_prio *per_prio, struct request *rq)
+{
+ const enum dd_data_dir data_dir = rq_data_dir(rq);
+
+ if (per_prio->next_rq[data_dir] == rq)
+ per_prio->next_rq[data_dir] = deadline_latter_request(rq);
+
+ elv_rb_del(deadline_rb_root(per_prio, rq), rq);
+}
+
+/*
+ * remove rq from rbtree and fifo.
+ */
+static void deadline_remove_request(struct request_queue *q,
+ struct dd_per_prio *per_prio,
+ struct request *rq)
+{
+ list_del_init(&rq->queuelist);
+
+ /*
+ * We might not be on the rbtree, if we are doing an insert merge
+ */
+ if (!RB_EMPTY_NODE(&rq->rb_node))
+ deadline_del_rq_rb(per_prio, rq);
+
+ elv_rqhash_del(q, rq);
+ if (q->last_merge == rq)
+ q->last_merge = NULL;
+}
+
+static void dd_request_merged(struct request_queue *q, struct request *req,
+ enum elv_merge type)
+{
+ struct deadline_data *dd = q->elevator->elevator_data;
+ const u8 ioprio_class = dd_rq_ioclass(req);
+ const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+ struct dd_per_prio *per_prio = &dd->per_prio[prio];
+
+ /*
+ * if the merge was a front merge, we need to reposition request
+ */
+ if (type == ELEVATOR_FRONT_MERGE) {
+ elv_rb_del(deadline_rb_root(per_prio, req), req);
+ deadline_add_rq_rb(per_prio, req);
+ }
+}
+
+/*
+ * Callback function that is invoked after @next has been merged into @req.
+ */
+static void dd_merged_requests(struct request_queue *q, struct request *req,
+ struct request *next)
+{
+ struct deadline_data *dd = q->elevator->elevator_data;
+ const u8 ioprio_class = dd_rq_ioclass(next);
+ const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+ struct dd_blkcg *blkcg = next->elv.priv[0];
+
+ dd_count(dd, merged, prio);
+ ddcg_count(blkcg, merged, ioprio_class);
+
+ /*
+ * if next expires before rq, assign its expire time to rq
+ * and move into next position (next will be deleted) in fifo
+ */
+ if (!list_empty(&req->queuelist) && !list_empty(&next->queuelist)) {
+ if (time_before((unsigned long)next->fifo_time,
+ (unsigned long)req->fifo_time)) {
+ list_move(&req->queuelist, &next->queuelist);
+ req->fifo_time = next->fifo_time;
+ }
+ }
+
+ /*
+ * kill knowledge of next, this one is a goner
+ */
+ deadline_remove_request(q, &dd->per_prio[prio], next);
+}
+
+/*
+ * move an entry to dispatch queue
+ */
+static void
+deadline_move_request(struct deadline_data *dd, struct dd_per_prio *per_prio,
+ struct request *rq)
+{
+ const enum dd_data_dir data_dir = rq_data_dir(rq);
+
+ per_prio->next_rq[data_dir] = deadline_latter_request(rq);
+
+ /*
+ * take it off the sort and fifo list
+ */
+ deadline_remove_request(rq->q, per_prio, rq);
+}
+
+/* Number of requests queued for a given priority level. */
+static u32 dd_queued(struct deadline_data *dd, enum dd_prio prio)
+{
+ return dd_sum(dd, inserted, prio) - dd_sum(dd, completed, prio);
+}
+
+/*
+ * deadline_check_fifo returns 0 if there are no expired requests on the fifo,
+ * 1 otherwise. Requires !list_empty(&dd->fifo_list[data_dir])
+ */
+static inline int deadline_check_fifo(struct dd_per_prio *per_prio,
+ enum dd_data_dir data_dir)
+{
+ struct request *rq = rq_entry_fifo(per_prio->fifo_list[data_dir].next);
+
+ /*
+ * rq is expired!
+ */
+ if (time_after_eq(jiffies, (unsigned long)rq->fifo_time))
+ return 1;
+
+ return 0;
+}
+
+/*
+ * For the specified data direction, return the next request to
+ * dispatch using arrival ordered lists.
+ */
+static struct request *
+deadline_fifo_request(struct deadline_data *dd, struct dd_per_prio *per_prio,
+ enum dd_data_dir data_dir)
+{
+ struct request *rq;
+ unsigned long flags;
+
+ if (list_empty(&per_prio->fifo_list[data_dir]))
+ return NULL;
+
+ rq = rq_entry_fifo(per_prio->fifo_list[data_dir].next);
+ if (data_dir == DD_READ || !blk_queue_is_zoned(rq->q))
+ return rq;
+
+ /*
+ * Look for a write request that can be dispatched, that is one with
+ * an unlocked target zone.
+ */
+ spin_lock_irqsave(&dd->zone_lock, flags);
+ list_for_each_entry(rq, &per_prio->fifo_list[DD_WRITE], queuelist) {
+ if (blk_req_can_dispatch_to_zone(rq))
+ goto out;
+ }
+ rq = NULL;
+out:
+ spin_unlock_irqrestore(&dd->zone_lock, flags);
+
+ return rq;
+}
+
+/*
+ * For the specified data direction, return the next request to
+ * dispatch using sector position sorted lists.
+ */
+static struct request *
+deadline_next_request(struct deadline_data *dd, struct dd_per_prio *per_prio,
+ enum dd_data_dir data_dir)
+{
+ struct request *rq;
+ unsigned long flags;
+
+ rq = per_prio->next_rq[data_dir];
+ if (!rq)
+ return NULL;
+
+ if (data_dir == DD_READ || !blk_queue_is_zoned(rq->q))
+ return rq;
+
+ /*
+ * Look for a write request that can be dispatched, that is one with
+ * an unlocked target zone.
+ */
+ spin_lock_irqsave(&dd->zone_lock, flags);
+ while (rq) {
+ if (blk_req_can_dispatch_to_zone(rq))
+ break;
+ rq = deadline_latter_request(rq);
+ }
+ spin_unlock_irqrestore(&dd->zone_lock, flags);
+
+ return rq;
+}
+
+/*
+ * deadline_dispatch_requests selects the best request according to
+ * read/write expire, fifo_batch, etc and with a start time <= @latest.
+ */
+static struct request *__dd_dispatch_request(struct deadline_data *dd,
+ struct dd_per_prio *per_prio,
+ u64 latest_start_ns)
+{
+ struct request *rq, *next_rq;
+ enum dd_data_dir data_dir;
+ struct dd_blkcg *blkcg;
+ enum dd_prio prio;
+ u8 ioprio_class;
+
+ lockdep_assert_held(&dd->lock);
+
+ if (!list_empty(&per_prio->dispatch)) {
+ rq = list_first_entry(&per_prio->dispatch, struct request,
+ queuelist);
+ if (rq->start_time_ns > latest_start_ns)
+ return NULL;
+ list_del_init(&rq->queuelist);
+ goto done;
+ }
+
+ /*
+ * batches are currently reads XOR writes
+ */
+ rq = deadline_next_request(dd, per_prio, dd->last_dir);
+ if (rq && dd->batching < dd->fifo_batch)
+ /* we have a next request are still entitled to batch */
+ goto dispatch_request;
+
+ /*
+ * at this point we are not running a batch. select the appropriate
+ * data direction (read / write)
+ */
+
+ if (!list_empty(&per_prio->fifo_list[DD_READ])) {
+ BUG_ON(RB_EMPTY_ROOT(&per_prio->sort_list[DD_READ]));
+
+ if (deadline_fifo_request(dd, per_prio, DD_WRITE) &&
+ (dd->starved++ >= dd->writes_starved))
+ goto dispatch_writes;
+
+ data_dir = DD_READ;
+
+ goto dispatch_find_request;
+ }
+
+ /*
+ * there are either no reads or writes have been starved
+ */
+
+ if (!list_empty(&per_prio->fifo_list[DD_WRITE])) {
+dispatch_writes:
+ BUG_ON(RB_EMPTY_ROOT(&per_prio->sort_list[DD_WRITE]));
+
+ dd->starved = 0;
+
+ data_dir = DD_WRITE;
+
+ goto dispatch_find_request;
+ }
+
+ return NULL;
+
+dispatch_find_request:
+ /*
+ * we are not running a batch, find best request for selected data_dir
+ */
+ next_rq = deadline_next_request(dd, per_prio, data_dir);
+ if (deadline_check_fifo(per_prio, data_dir) || !next_rq) {
+ /*
+ * A deadline has expired, the last request was in the other
+ * direction, or we have run out of higher-sectored requests.
+ * Start again from the request with the earliest expiry time.
+ */
+ rq = deadline_fifo_request(dd, per_prio, data_dir);
+ } else {
+ /*
+ * The last req was the same dir and we have a next request in
+ * sort order. No expired requests so continue on from here.
+ */
+ rq = next_rq;
+ }
+
+ /*
+ * For a zoned block device, if we only have writes queued and none of
+ * them can be dispatched, rq will be NULL.
+ */
+ if (!rq)
+ return NULL;
+
+ dd->last_dir = data_dir;
+ dd->batching = 0;
+
+dispatch_request:
+ if (rq->start_time_ns > latest_start_ns)
+ return NULL;
+ /*
+ * rq is the selected appropriate request.
+ */
+ dd->batching++;
+ deadline_move_request(dd, per_prio, rq);
+done:
+ ioprio_class = dd_rq_ioclass(rq);
+ prio = ioprio_class_to_prio[ioprio_class];
+ dd_count(dd, dispatched, prio);
+ blkcg = rq->elv.priv[0];
+ ddcg_count(blkcg, dispatched, ioprio_class);
+ /*
+ * If the request needs its target zone locked, do it.
+ */
+ blk_req_zone_write_lock(rq);
+ rq->rq_flags |= RQF_STARTED;
+ return rq;
+}
+
+/*
+ * Called from blk_mq_run_hw_queue() -> __blk_mq_sched_dispatch_requests().
+ *
+ * One confusing aspect here is that we get called for a specific
+ * hardware queue, but we may return a request that is for a
+ * different hardware queue. This is because mq-deadline has shared
+ * state for all hardware queues, in terms of sorting, FIFOs, etc.
+ */
+static struct request *dd_dispatch_request(struct blk_mq_hw_ctx *hctx)
+{
+ struct deadline_data *dd = hctx->queue->elevator->elevator_data;
+ const u64 now_ns = ktime_get_ns();
+ struct request *rq = NULL;
+ enum dd_prio prio;
+
+ spin_lock(&dd->lock);
+ /*
+ * Start with dispatching requests whose deadline expired more than
+ * aging_expire jiffies ago.
+ */
+ for (prio = DD_BE_PRIO; prio <= DD_PRIO_MAX; prio++) {
+ rq = __dd_dispatch_request(dd, &dd->per_prio[prio], now_ns -
+ jiffies_to_nsecs(dd->aging_expire));
+ if (rq)
+ goto unlock;
+ }
+ /*
+ * Next, dispatch requests in priority order. Ignore lower priority
+ * requests if any higher priority requests are pending.
+ */
+ for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
+ rq = __dd_dispatch_request(dd, &dd->per_prio[prio], now_ns);
+ if (rq || dd_queued(dd, prio))
+ break;
+ }
+
+unlock:
+ spin_unlock(&dd->lock);
+
+ return rq;
+}
+
+/*
+ * Called by __blk_mq_alloc_request(). The shallow_depth value set by this
+ * function is used by __blk_mq_get_tag().
+ */
+static void dd_limit_depth(unsigned int op, struct blk_mq_alloc_data *data)
+{
+ struct deadline_data *dd = data->q->elevator->elevator_data;
+
+ /* Do not throttle synchronous reads. */
+ if (op_is_sync(op) && !op_is_write(op))
+ return;
+
+ /*
+ * Throttle asynchronous requests and writes such that these requests
+ * do not block the allocation of synchronous requests.
+ */
+ data->shallow_depth = dd->async_depth;
+}
+
+/* Called by blk_mq_update_nr_requests(). */
+static void dd_depth_updated(struct blk_mq_hw_ctx *hctx)
+{
+ struct request_queue *q = hctx->queue;
+ struct deadline_data *dd = q->elevator->elevator_data;
+ struct blk_mq_tags *tags = hctx->sched_tags;
+
+ dd->async_depth = max(1UL, 3 * q->nr_requests / 4);
+
+ sbitmap_queue_min_shallow_depth(tags->bitmap_tags, dd->async_depth);
+}
+
+/* Called by blk_mq_init_hctx() and blk_mq_init_sched(). */
+static int dd_init_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx)
+{
+ dd_depth_updated(hctx);
+ return 0;
+}
+
+static void dd_exit_sched(struct elevator_queue *e)
+{
+ struct deadline_data *dd = e->elevator_data;
+ enum dd_prio prio;
+
+ dd_deactivate_policy(dd->queue);
+
+ for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
+ struct dd_per_prio *per_prio = &dd->per_prio[prio];
+
+ WARN_ON_ONCE(!list_empty(&per_prio->fifo_list[DD_READ]));
+ WARN_ON_ONCE(!list_empty(&per_prio->fifo_list[DD_WRITE]));
+ }
+
+ free_percpu(dd->stats);
+
+ kfree(dd);
+}
+
+/*
+ * Initialize elevator private data (deadline_data) and associate with blkcg.
+ */
+static int dd_init_sched(struct request_queue *q, struct elevator_type *e)
+{
+ struct deadline_data *dd;
+ struct elevator_queue *eq;
+ enum dd_prio prio;
+ int ret = -ENOMEM;
+
+ /*
+ * Initialization would be very tricky if the queue is not frozen,
+ * hence the warning statement below.
+ */
+ WARN_ON_ONCE(!percpu_ref_is_zero(&q->q_usage_counter));
+
+ eq = elevator_alloc(q, e);
+ if (!eq)
+ return ret;
+
+ dd = kzalloc_node(sizeof(*dd), GFP_KERNEL, q->node);
+ if (!dd)
+ goto put_eq;
+
+ eq->elevator_data = dd;
+
+ dd->stats = alloc_percpu_gfp(typeof(*dd->stats),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!dd->stats)
+ goto free_dd;
+
+ dd->queue = q;
+
+ for (prio = 0; prio <= DD_PRIO_MAX; prio++) {
+ struct dd_per_prio *per_prio = &dd->per_prio[prio];
+
+ INIT_LIST_HEAD(&per_prio->dispatch);
+ INIT_LIST_HEAD(&per_prio->fifo_list[DD_READ]);
+ INIT_LIST_HEAD(&per_prio->fifo_list[DD_WRITE]);
+ per_prio->sort_list[DD_READ] = RB_ROOT;
+ per_prio->sort_list[DD_WRITE] = RB_ROOT;
+ }
+ dd->fifo_expire[DD_READ] = read_expire;
+ dd->fifo_expire[DD_WRITE] = write_expire;
+ dd->writes_starved = writes_starved;
+ dd->front_merges = 1;
+ dd->last_dir = DD_WRITE;
+ dd->fifo_batch = fifo_batch;
+ dd->aging_expire = aging_expire;
+ spin_lock_init(&dd->lock);
+ spin_lock_init(&dd->zone_lock);
+
+ ret = dd_activate_policy(q);
+ if (ret)
+ goto free_stats;
+
+ ret = 0;
+ q->elevator = eq;
+ return 0;
+
+free_stats:
+ free_percpu(dd->stats);
+
+free_dd:
+ kfree(dd);
+
+put_eq:
+ kobject_put(&eq->kobj);
+ return ret;
+}
+
+/*
+ * Try to merge @bio into an existing request. If @bio has been merged into
+ * an existing request, store the pointer to that request into *@rq.
+ */
+static int dd_request_merge(struct request_queue *q, struct request **rq,
+ struct bio *bio)
+{
+ struct deadline_data *dd = q->elevator->elevator_data;
+ const u8 ioprio_class = IOPRIO_PRIO_CLASS(bio->bi_ioprio);
+ const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+ struct dd_per_prio *per_prio = &dd->per_prio[prio];
+ sector_t sector = bio_end_sector(bio);
+ struct request *__rq;
+
+ if (!dd->front_merges)
+ return ELEVATOR_NO_MERGE;
+
+ __rq = elv_rb_find(&per_prio->sort_list[bio_data_dir(bio)], sector);
+ if (__rq) {
+ BUG_ON(sector != blk_rq_pos(__rq));
+
+ if (elv_bio_merge_ok(__rq, bio)) {
+ *rq = __rq;
+ if (blk_discard_mergable(__rq))
+ return ELEVATOR_DISCARD_MERGE;
+ return ELEVATOR_FRONT_MERGE;
+ }
+ }
+
+ return ELEVATOR_NO_MERGE;
+}
+
+/*
+ * Attempt to merge a bio into an existing request. This function is called
+ * before @bio is associated with a request.
+ */
+static bool dd_bio_merge(struct request_queue *q, struct bio *bio,
+ unsigned int nr_segs)
+{
+ struct deadline_data *dd = q->elevator->elevator_data;
+ struct request *free = NULL;
+ bool ret;
+
+ spin_lock(&dd->lock);
+ ret = blk_mq_sched_try_merge(q, bio, nr_segs, &free);
+ spin_unlock(&dd->lock);
+
+ if (free)
+ blk_mq_free_request(free);
+
+ return ret;
+}
+
+/*
+ * add rq to rbtree and fifo
+ */
+static void dd_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
+ bool at_head)
+{
+ struct request_queue *q = hctx->queue;
+ struct deadline_data *dd = q->elevator->elevator_data;
+ const enum dd_data_dir data_dir = rq_data_dir(rq);
+ u16 ioprio = req_get_ioprio(rq);
+ u8 ioprio_class = IOPRIO_PRIO_CLASS(ioprio);
+ struct dd_per_prio *per_prio;
+ enum dd_prio prio;
+ struct dd_blkcg *blkcg;
+
+ lockdep_assert_held(&dd->lock);
+
+ /*
+ * This may be a requeue of a write request that has locked its
+ * target zone. If it is the case, this releases the zone lock.
+ */
+ blk_req_zone_write_unlock(rq);
+
+ /*
+ * If a block cgroup has been associated with the submitter and if an
+ * I/O priority has been set in the associated block cgroup, use the
+ * lowest of the cgroup priority and the request priority for the
+ * request. If no priority has been set in the request, use the cgroup
+ * priority.
+ */
+ prio = ioprio_class_to_prio[ioprio_class];
+ dd_count(dd, inserted, prio);
+ blkcg = dd_blkcg_from_bio(rq->bio);
+ ddcg_count(blkcg, inserted, ioprio_class);
+ rq->elv.priv[0] = blkcg;
+
+ if (blk_mq_sched_try_insert_merge(q, rq))
+ return;
+
+ blk_mq_sched_request_inserted(rq);
+
+ per_prio = &dd->per_prio[prio];
+ if (at_head) {
+ list_add(&rq->queuelist, &per_prio->dispatch);
+ } else {
+ deadline_add_rq_rb(per_prio, rq);
+
+ if (rq_mergeable(rq)) {
+ elv_rqhash_add(q, rq);
+ if (!q->last_merge)
+ q->last_merge = rq;
+ }
+
+ /*
+ * set expire time and add to fifo list
+ */
+ rq->fifo_time = jiffies + dd->fifo_expire[data_dir];
+ list_add_tail(&rq->queuelist, &per_prio->fifo_list[data_dir]);
+ }
+}
+
+/*
+ * Called from blk_mq_sched_insert_request() or blk_mq_sched_insert_requests().
+ */
+static void dd_insert_requests(struct blk_mq_hw_ctx *hctx,
+ struct list_head *list, bool at_head)
+{
+ struct request_queue *q = hctx->queue;
+ struct deadline_data *dd = q->elevator->elevator_data;
+
+ spin_lock(&dd->lock);
+ while (!list_empty(list)) {
+ struct request *rq;
+
+ rq = list_first_entry(list, struct request, queuelist);
+ list_del_init(&rq->queuelist);
+ dd_insert_request(hctx, rq, at_head);
+ }
+ spin_unlock(&dd->lock);
+}
+
+/* Callback from inside blk_mq_rq_ctx_init(). */
+static void dd_prepare_request(struct request *rq)
+{
+ rq->elv.priv[0] = NULL;
+}
+
+/*
+ * Callback from inside blk_mq_free_request().
+ *
+ * For zoned block devices, write unlock the target zone of
+ * completed write requests. Do this while holding the zone lock
+ * spinlock so that the zone is never unlocked while deadline_fifo_request()
+ * or deadline_next_request() are executing. This function is called for
+ * all requests, whether or not these requests complete successfully.
+ *
+ * For a zoned block device, __dd_dispatch_request() may have stopped
+ * dispatching requests if all the queued requests are write requests directed
+ * at zones that are already locked due to on-going write requests. To ensure
+ * write request dispatch progress in this case, mark the queue as needing a
+ * restart to ensure that the queue is run again after completion of the
+ * request and zones being unlocked.
+ */
+static void dd_finish_request(struct request *rq)
+{
+ struct request_queue *q = rq->q;
+ struct deadline_data *dd = q->elevator->elevator_data;
+ struct dd_blkcg *blkcg = rq->elv.priv[0];
+ const u8 ioprio_class = dd_rq_ioclass(rq);
+ const enum dd_prio prio = ioprio_class_to_prio[ioprio_class];
+ struct dd_per_prio *per_prio = &dd->per_prio[prio];
+
+ dd_count(dd, completed, prio);
+ ddcg_count(blkcg, completed, ioprio_class);
+
+ if (blk_queue_is_zoned(q)) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&dd->zone_lock, flags);
+ blk_req_zone_write_unlock(rq);
+ if (!list_empty(&per_prio->fifo_list[DD_WRITE]))
+ blk_mq_sched_mark_restart_hctx(rq->mq_hctx);
+ spin_unlock_irqrestore(&dd->zone_lock, flags);
+ }
+}
+
+static bool dd_has_work_for_prio(struct dd_per_prio *per_prio)
+{
+ return !list_empty_careful(&per_prio->dispatch) ||
+ !list_empty_careful(&per_prio->fifo_list[DD_READ]) ||
+ !list_empty_careful(&per_prio->fifo_list[DD_WRITE]);
+}
+
+static bool dd_has_work(struct blk_mq_hw_ctx *hctx)
+{
+ struct deadline_data *dd = hctx->queue->elevator->elevator_data;
+ enum dd_prio prio;
+
+ for (prio = 0; prio <= DD_PRIO_MAX; prio++)
+ if (dd_has_work_for_prio(&dd->per_prio[prio]))
+ return true;
+
+ return false;
+}
+
+/*
+ * sysfs parts below
+ */
+#define SHOW_INT(__FUNC, __VAR) \
+static ssize_t __FUNC(struct elevator_queue *e, char *page) \
+{ \
+ struct deadline_data *dd = e->elevator_data; \
+ \
+ return sysfs_emit(page, "%d\n", __VAR); \
+}
+#define SHOW_JIFFIES(__FUNC, __VAR) SHOW_INT(__FUNC, jiffies_to_msecs(__VAR))
+SHOW_JIFFIES(deadline_read_expire_show, dd->fifo_expire[DD_READ]);
+SHOW_JIFFIES(deadline_write_expire_show, dd->fifo_expire[DD_WRITE]);
+SHOW_JIFFIES(deadline_aging_expire_show, dd->aging_expire);
+SHOW_INT(deadline_writes_starved_show, dd->writes_starved);
+SHOW_INT(deadline_front_merges_show, dd->front_merges);
+SHOW_INT(deadline_async_depth_show, dd->front_merges);
+SHOW_INT(deadline_fifo_batch_show, dd->fifo_batch);
+#undef SHOW_INT
+#undef SHOW_JIFFIES
+
+#define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \
+static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count) \
+{ \
+ struct deadline_data *dd = e->elevator_data; \
+ int __data, __ret; \
+ \
+ __ret = kstrtoint(page, 0, &__data); \
+ if (__ret < 0) \
+ return __ret; \
+ if (__data < (MIN)) \
+ __data = (MIN); \
+ else if (__data > (MAX)) \
+ __data = (MAX); \
+ *(__PTR) = __CONV(__data); \
+ return count; \
+}
+#define STORE_INT(__FUNC, __PTR, MIN, MAX) \
+ STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, )
+#define STORE_JIFFIES(__FUNC, __PTR, MIN, MAX) \
+ STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, msecs_to_jiffies)
+STORE_JIFFIES(deadline_read_expire_store, &dd->fifo_expire[DD_READ], 0, INT_MAX);
+STORE_JIFFIES(deadline_write_expire_store, &dd->fifo_expire[DD_WRITE], 0, INT_MAX);
+STORE_JIFFIES(deadline_aging_expire_store, &dd->aging_expire, 0, INT_MAX);
+STORE_INT(deadline_writes_starved_store, &dd->writes_starved, INT_MIN, INT_MAX);
+STORE_INT(deadline_front_merges_store, &dd->front_merges, 0, 1);
+STORE_INT(deadline_async_depth_store, &dd->front_merges, 1, INT_MAX);
+STORE_INT(deadline_fifo_batch_store, &dd->fifo_batch, 0, INT_MAX);
+#undef STORE_FUNCTION
+#undef STORE_INT
+#undef STORE_JIFFIES
+
+#define DD_ATTR(name) \
+ __ATTR(name, 0644, deadline_##name##_show, deadline_##name##_store)
+
+static struct elv_fs_entry deadline_attrs[] = {
+ DD_ATTR(read_expire),
+ DD_ATTR(write_expire),
+ DD_ATTR(writes_starved),
+ DD_ATTR(front_merges),
+ DD_ATTR(async_depth),
+ DD_ATTR(fifo_batch),
+ DD_ATTR(aging_expire),
+ __ATTR_NULL
+};
+
+#ifdef CONFIG_BLK_DEBUG_FS
+#define DEADLINE_DEBUGFS_DDIR_ATTRS(prio, data_dir, name) \
+static void *deadline_##name##_fifo_start(struct seq_file *m, \
+ loff_t *pos) \
+ __acquires(&dd->lock) \
+{ \
+ struct request_queue *q = m->private; \
+ struct deadline_data *dd = q->elevator->elevator_data; \
+ struct dd_per_prio *per_prio = &dd->per_prio[prio]; \
+ \
+ spin_lock(&dd->lock); \
+ return seq_list_start(&per_prio->fifo_list[data_dir], *pos); \
+} \
+ \
+static void *deadline_##name##_fifo_next(struct seq_file *m, void *v, \
+ loff_t *pos) \
+{ \
+ struct request_queue *q = m->private; \
+ struct deadline_data *dd = q->elevator->elevator_data; \
+ struct dd_per_prio *per_prio = &dd->per_prio[prio]; \
+ \
+ return seq_list_next(v, &per_prio->fifo_list[data_dir], pos); \
+} \
+ \
+static void deadline_##name##_fifo_stop(struct seq_file *m, void *v) \
+ __releases(&dd->lock) \
+{ \
+ struct request_queue *q = m->private; \
+ struct deadline_data *dd = q->elevator->elevator_data; \
+ \
+ spin_unlock(&dd->lock); \
+} \
+ \
+static const struct seq_operations deadline_##name##_fifo_seq_ops = { \
+ .start = deadline_##name##_fifo_start, \
+ .next = deadline_##name##_fifo_next, \
+ .stop = deadline_##name##_fifo_stop, \
+ .show = blk_mq_debugfs_rq_show, \
+}; \
+ \
+static int deadline_##name##_next_rq_show(void *data, \
+ struct seq_file *m) \
+{ \
+ struct request_queue *q = data; \
+ struct deadline_data *dd = q->elevator->elevator_data; \
+ struct dd_per_prio *per_prio = &dd->per_prio[prio]; \
+ struct request *rq = per_prio->next_rq[data_dir]; \
+ \
+ if (rq) \
+ __blk_mq_debugfs_rq_show(m, rq); \
+ return 0; \
+}
+
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_RT_PRIO, DD_READ, read0);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_RT_PRIO, DD_WRITE, write0);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_BE_PRIO, DD_READ, read1);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_BE_PRIO, DD_WRITE, write1);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_IDLE_PRIO, DD_READ, read2);
+DEADLINE_DEBUGFS_DDIR_ATTRS(DD_IDLE_PRIO, DD_WRITE, write2);
+#undef DEADLINE_DEBUGFS_DDIR_ATTRS
+
+static int deadline_batching_show(void *data, struct seq_file *m)
+{
+ struct request_queue *q = data;
+ struct deadline_data *dd = q->elevator->elevator_data;
+
+ seq_printf(m, "%u\n", dd->batching);
+ return 0;
+}
+
+static int deadline_starved_show(void *data, struct seq_file *m)
+{
+ struct request_queue *q = data;
+ struct deadline_data *dd = q->elevator->elevator_data;
+
+ seq_printf(m, "%u\n", dd->starved);
+ return 0;
+}
+
+static int dd_async_depth_show(void *data, struct seq_file *m)
+{
+ struct request_queue *q = data;
+ struct deadline_data *dd = q->elevator->elevator_data;
+
+ seq_printf(m, "%u\n", dd->async_depth);
+ return 0;
+}
+
+static int dd_queued_show(void *data, struct seq_file *m)
+{
+ struct request_queue *q = data;
+ struct deadline_data *dd = q->elevator->elevator_data;
+
+ seq_printf(m, "%u %u %u\n", dd_queued(dd, DD_RT_PRIO),
+ dd_queued(dd, DD_BE_PRIO),
+ dd_queued(dd, DD_IDLE_PRIO));
+ return 0;
+}
+
+/* Number of requests owned by the block driver for a given priority. */
+static u32 dd_owned_by_driver(struct deadline_data *dd, enum dd_prio prio)
+{
+ return dd_sum(dd, dispatched, prio) + dd_sum(dd, merged, prio)
+ - dd_sum(dd, completed, prio);
+}
+
+static int dd_owned_by_driver_show(void *data, struct seq_file *m)
+{
+ struct request_queue *q = data;
+ struct deadline_data *dd = q->elevator->elevator_data;
+
+ seq_printf(m, "%u %u %u\n", dd_owned_by_driver(dd, DD_RT_PRIO),
+ dd_owned_by_driver(dd, DD_BE_PRIO),
+ dd_owned_by_driver(dd, DD_IDLE_PRIO));
+ return 0;
+}
+
+#define DEADLINE_DISPATCH_ATTR(prio) \
+static void *deadline_dispatch##prio##_start(struct seq_file *m, \
+ loff_t *pos) \
+ __acquires(&dd->lock) \
+{ \
+ struct request_queue *q = m->private; \
+ struct deadline_data *dd = q->elevator->elevator_data; \
+ struct dd_per_prio *per_prio = &dd->per_prio[prio]; \
+ \
+ spin_lock(&dd->lock); \
+ return seq_list_start(&per_prio->dispatch, *pos); \
+} \
+ \
+static void *deadline_dispatch##prio##_next(struct seq_file *m, \
+ void *v, loff_t *pos) \
+{ \
+ struct request_queue *q = m->private; \
+ struct deadline_data *dd = q->elevator->elevator_data; \
+ struct dd_per_prio *per_prio = &dd->per_prio[prio]; \
+ \
+ return seq_list_next(v, &per_prio->dispatch, pos); \
+} \
+ \
+static void deadline_dispatch##prio##_stop(struct seq_file *m, void *v) \
+ __releases(&dd->lock) \
+{ \
+ struct request_queue *q = m->private; \
+ struct deadline_data *dd = q->elevator->elevator_data; \
+ \
+ spin_unlock(&dd->lock); \
+} \
+ \
+static const struct seq_operations deadline_dispatch##prio##_seq_ops = { \
+ .start = deadline_dispatch##prio##_start, \
+ .next = deadline_dispatch##prio##_next, \
+ .stop = deadline_dispatch##prio##_stop, \
+ .show = blk_mq_debugfs_rq_show, \
+}
+
+DEADLINE_DISPATCH_ATTR(0);
+DEADLINE_DISPATCH_ATTR(1);
+DEADLINE_DISPATCH_ATTR(2);
+#undef DEADLINE_DISPATCH_ATTR
+
+#define DEADLINE_QUEUE_DDIR_ATTRS(name) \
+ {#name "_fifo_list", 0400, \
+ .seq_ops = &deadline_##name##_fifo_seq_ops}
+#define DEADLINE_NEXT_RQ_ATTR(name) \
+ {#name "_next_rq", 0400, deadline_##name##_next_rq_show}
+static const struct blk_mq_debugfs_attr deadline_queue_debugfs_attrs[] = {
+ DEADLINE_QUEUE_DDIR_ATTRS(read0),
+ DEADLINE_QUEUE_DDIR_ATTRS(write0),
+ DEADLINE_QUEUE_DDIR_ATTRS(read1),
+ DEADLINE_QUEUE_DDIR_ATTRS(write1),
+ DEADLINE_QUEUE_DDIR_ATTRS(read2),
+ DEADLINE_QUEUE_DDIR_ATTRS(write2),
+ DEADLINE_NEXT_RQ_ATTR(read0),
+ DEADLINE_NEXT_RQ_ATTR(write0),
+ DEADLINE_NEXT_RQ_ATTR(read1),
+ DEADLINE_NEXT_RQ_ATTR(write1),
+ DEADLINE_NEXT_RQ_ATTR(read2),
+ DEADLINE_NEXT_RQ_ATTR(write2),
+ {"batching", 0400, deadline_batching_show},
+ {"starved", 0400, deadline_starved_show},
+ {"async_depth", 0400, dd_async_depth_show},
+ {"dispatch0", 0400, .seq_ops = &deadline_dispatch0_seq_ops},
+ {"dispatch1", 0400, .seq_ops = &deadline_dispatch1_seq_ops},
+ {"dispatch2", 0400, .seq_ops = &deadline_dispatch2_seq_ops},
+ {"owned_by_driver", 0400, dd_owned_by_driver_show},
+ {"queued", 0400, dd_queued_show},
+ {},
+};
+#undef DEADLINE_QUEUE_DDIR_ATTRS
+#endif
+
+static struct elevator_type mq_deadline = {
+ .ops = {
+ .depth_updated = dd_depth_updated,
+ .limit_depth = dd_limit_depth,
+ .insert_requests = dd_insert_requests,
+ .dispatch_request = dd_dispatch_request,
+ .prepare_request = dd_prepare_request,
+ .finish_request = dd_finish_request,
+ .next_request = elv_rb_latter_request,
+ .former_request = elv_rb_former_request,
+ .bio_merge = dd_bio_merge,
+ .request_merge = dd_request_merge,
+ .requests_merged = dd_merged_requests,
+ .request_merged = dd_request_merged,
+ .has_work = dd_has_work,
+ .init_sched = dd_init_sched,
+ .exit_sched = dd_exit_sched,
+ .init_hctx = dd_init_hctx,
+ },
+
+#ifdef CONFIG_BLK_DEBUG_FS
+ .queue_debugfs_attrs = deadline_queue_debugfs_attrs,
+#endif
+ .elevator_attrs = deadline_attrs,
+ .elevator_name = "mq-deadline",
+ .elevator_alias = "deadline",
+ .elevator_features = ELEVATOR_F_ZBD_SEQ_WRITE,
+ .elevator_owner = THIS_MODULE,
+};
+MODULE_ALIAS("mq-deadline-iosched");
+
+static int __init deadline_init(void)
+{
+ int ret;
+
+ ret = elv_register(&mq_deadline);
+ if (ret)
+ goto out;
+ ret = dd_blkcg_init();
+ if (ret)
+ goto unreg;
+
+out:
+ return ret;
+
+unreg:
+ elv_unregister(&mq_deadline);
+ goto out;
+}
+
+static void __exit deadline_exit(void)
+{
+ dd_blkcg_exit();
+ elv_unregister(&mq_deadline);
+}
+
+module_init(deadline_init);
+module_exit(deadline_exit);
+
+MODULE_AUTHOR("Jens Axboe, Damien Le Moal and Bart Van Assche");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("MQ deadline IO scheduler");
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
deleted file mode 100644
index e4e9076..0000000
--- a/block/mq-deadline.c
+++ /dev/null
@@ -1,824 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * MQ Deadline i/o scheduler - adaptation of the legacy deadline scheduler,
- * for the blk-mq scheduling framework
- *
- * Copyright (C) 2016 Jens Axboe <axboe@kernel.dk>
- */
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/blkdev.h>
-#include <linux/blk-mq.h>
-#include <linux/elevator.h>
-#include <linux/bio.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/compiler.h>
-#include <linux/rbtree.h>
-#include <linux/sbitmap.h>
-
-#include "blk.h"
-#include "blk-mq.h"
-#include "blk-mq-debugfs.h"
-#include "blk-mq-tag.h"
-#include "blk-mq-sched.h"
-
-/*
- * See Documentation/block/deadline-iosched.rst
- */
-static const int read_expire = HZ / 2; /* max time before a read is submitted. */
-static const int write_expire = 5 * HZ; /* ditto for writes, these limits are SOFT! */
-static const int writes_starved = 2; /* max times reads can starve a write */
-static const int fifo_batch = 16; /* # of sequential requests treated as one
- by the above parameters. For throughput. */
-
-struct deadline_data {
- /*
- * run time data
- */
-
- /*
- * requests (deadline_rq s) are present on both sort_list and fifo_list
- */
- struct rb_root sort_list[2];
- struct list_head fifo_list[2];
-
- /*
- * next in sort order. read, write or both are NULL
- */
- struct request *next_rq[2];
- unsigned int batching; /* number of sequential requests made */
- unsigned int starved; /* times reads have starved writes */
-
- /*
- * settings that change how the i/o scheduler behaves
- */
- int fifo_expire[2];
- int fifo_batch;
- int writes_starved;
- int front_merges;
-
- spinlock_t lock;
- spinlock_t zone_lock;
- struct list_head dispatch;
-};
-
-static inline struct rb_root *
-deadline_rb_root(struct deadline_data *dd, struct request *rq)
-{
- return &dd->sort_list[rq_data_dir(rq)];
-}
-
-/*
- * get the request after `rq' in sector-sorted order
- */
-static inline struct request *
-deadline_latter_request(struct request *rq)
-{
- struct rb_node *node = rb_next(&rq->rb_node);
-
- if (node)
- return rb_entry_rq(node);
-
- return NULL;
-}
-
-static void
-deadline_add_rq_rb(struct deadline_data *dd, struct request *rq)
-{
- struct rb_root *root = deadline_rb_root(dd, rq);
-
- elv_rb_add(root, rq);
-}
-
-static inline void
-deadline_del_rq_rb(struct deadline_data *dd, struct request *rq)
-{
- const int data_dir = rq_data_dir(rq);
-
- if (dd->next_rq[data_dir] == rq)
- dd->next_rq[data_dir] = deadline_latter_request(rq);
-
- elv_rb_del(deadline_rb_root(dd, rq), rq);
-}
-
-/*
- * remove rq from rbtree and fifo.
- */
-static void deadline_remove_request(struct request_queue *q, struct request *rq)
-{
- struct deadline_data *dd = q->elevator->elevator_data;
-
- list_del_init(&rq->queuelist);
-
- /*
- * We might not be on the rbtree, if we are doing an insert merge
- */
- if (!RB_EMPTY_NODE(&rq->rb_node))
- deadline_del_rq_rb(dd, rq);
-
- elv_rqhash_del(q, rq);
- if (q->last_merge == rq)
- q->last_merge = NULL;
-}
-
-static void dd_request_merged(struct request_queue *q, struct request *req,
- enum elv_merge type)
-{
- struct deadline_data *dd = q->elevator->elevator_data;
-
- /*
- * if the merge was a front merge, we need to reposition request
- */
- if (type == ELEVATOR_FRONT_MERGE) {
- elv_rb_del(deadline_rb_root(dd, req), req);
- deadline_add_rq_rb(dd, req);
- }
-}
-
-static void dd_merged_requests(struct request_queue *q, struct request *req,
- struct request *next)
-{
- /*
- * if next expires before rq, assign its expire time to rq
- * and move into next position (next will be deleted) in fifo
- */
- if (!list_empty(&req->queuelist) && !list_empty(&next->queuelist)) {
- if (time_before((unsigned long)next->fifo_time,
- (unsigned long)req->fifo_time)) {
- list_move(&req->queuelist, &next->queuelist);
- req->fifo_time = next->fifo_time;
- }
- }
-
- /*
- * kill knowledge of next, this one is a goner
- */
- deadline_remove_request(q, next);
-}
-
-/*
- * move an entry to dispatch queue
- */
-static void
-deadline_move_request(struct deadline_data *dd, struct request *rq)
-{
- const int data_dir = rq_data_dir(rq);
-
- dd->next_rq[READ] = NULL;
- dd->next_rq[WRITE] = NULL;
- dd->next_rq[data_dir] = deadline_latter_request(rq);
-
- /*
- * take it off the sort and fifo list
- */
- deadline_remove_request(rq->q, rq);
-}
-
-/*
- * deadline_check_fifo returns 0 if there are no expired requests on the fifo,
- * 1 otherwise. Requires !list_empty(&dd->fifo_list[data_dir])
- */
-static inline int deadline_check_fifo(struct deadline_data *dd, int ddir)
-{
- struct request *rq = rq_entry_fifo(dd->fifo_list[ddir].next);
-
- /*
- * rq is expired!
- */
- if (time_after_eq(jiffies, (unsigned long)rq->fifo_time))
- return 1;
-
- return 0;
-}
-
-/*
- * For the specified data direction, return the next request to
- * dispatch using arrival ordered lists.
- */
-static struct request *
-deadline_fifo_request(struct deadline_data *dd, int data_dir)
-{
- struct request *rq;
- unsigned long flags;
-
- if (WARN_ON_ONCE(data_dir != READ && data_dir != WRITE))
- return NULL;
-
- if (list_empty(&dd->fifo_list[data_dir]))
- return NULL;
-
- rq = rq_entry_fifo(dd->fifo_list[data_dir].next);
- if (data_dir == READ || !blk_queue_is_zoned(rq->q))
- return rq;
-
- /*
- * Look for a write request that can be dispatched, that is one with
- * an unlocked target zone.
- */
- spin_lock_irqsave(&dd->zone_lock, flags);
- list_for_each_entry(rq, &dd->fifo_list[WRITE], queuelist) {
- if (blk_req_can_dispatch_to_zone(rq))
- goto out;
- }
- rq = NULL;
-out:
- spin_unlock_irqrestore(&dd->zone_lock, flags);
-
- return rq;
-}
-
-/*
- * For the specified data direction, return the next request to
- * dispatch using sector position sorted lists.
- */
-static struct request *
-deadline_next_request(struct deadline_data *dd, int data_dir)
-{
- struct request *rq;
- unsigned long flags;
-
- if (WARN_ON_ONCE(data_dir != READ && data_dir != WRITE))
- return NULL;
-
- rq = dd->next_rq[data_dir];
- if (!rq)
- return NULL;
-
- if (data_dir == READ || !blk_queue_is_zoned(rq->q))
- return rq;
-
- /*
- * Look for a write request that can be dispatched, that is one with
- * an unlocked target zone.
- */
- spin_lock_irqsave(&dd->zone_lock, flags);
- while (rq) {
- if (blk_req_can_dispatch_to_zone(rq))
- break;
- rq = deadline_latter_request(rq);
- }
- spin_unlock_irqrestore(&dd->zone_lock, flags);
-
- return rq;
-}
-
-/*
- * deadline_dispatch_requests selects the best request according to
- * read/write expire, fifo_batch, etc
- */
-static struct request *__dd_dispatch_request(struct deadline_data *dd)
-{
- struct request *rq, *next_rq;
- bool reads, writes;
- int data_dir;
-
- if (!list_empty(&dd->dispatch)) {
- rq = list_first_entry(&dd->dispatch, struct request, queuelist);
- list_del_init(&rq->queuelist);
- goto done;
- }
-
- reads = !list_empty(&dd->fifo_list[READ]);
- writes = !list_empty(&dd->fifo_list[WRITE]);
-
- /*
- * batches are currently reads XOR writes
- */
- rq = deadline_next_request(dd, WRITE);
- if (!rq)
- rq = deadline_next_request(dd, READ);
-
- if (rq && dd->batching < dd->fifo_batch)
- /* we have a next request are still entitled to batch */
- goto dispatch_request;
-
- /*
- * at this point we are not running a batch. select the appropriate
- * data direction (read / write)
- */
-
- if (reads) {
- BUG_ON(RB_EMPTY_ROOT(&dd->sort_list[READ]));
-
- if (deadline_fifo_request(dd, WRITE) &&
- (dd->starved++ >= dd->writes_starved))
- goto dispatch_writes;
-
- data_dir = READ;
-
- goto dispatch_find_request;
- }
-
- /*
- * there are either no reads or writes have been starved
- */
-
- if (writes) {
-dispatch_writes:
- BUG_ON(RB_EMPTY_ROOT(&dd->sort_list[WRITE]));
-
- dd->starved = 0;
-
- data_dir = WRITE;
-
- goto dispatch_find_request;
- }
-
- return NULL;
-
-dispatch_find_request:
- /*
- * we are not running a batch, find best request for selected data_dir
- */
- next_rq = deadline_next_request(dd, data_dir);
- if (deadline_check_fifo(dd, data_dir) || !next_rq) {
- /*
- * A deadline has expired, the last request was in the other
- * direction, or we have run out of higher-sectored requests.
- * Start again from the request with the earliest expiry time.
- */
- rq = deadline_fifo_request(dd, data_dir);
- } else {
- /*
- * The last req was the same dir and we have a next request in
- * sort order. No expired requests so continue on from here.
- */
- rq = next_rq;
- }
-
- /*
- * For a zoned block device, if we only have writes queued and none of
- * them can be dispatched, rq will be NULL.
- */
- if (!rq)
- return NULL;
-
- dd->batching = 0;
-
-dispatch_request:
- /*
- * rq is the selected appropriate request.
- */
- dd->batching++;
- deadline_move_request(dd, rq);
-done:
- /*
- * If the request needs its target zone locked, do it.
- */
- blk_req_zone_write_lock(rq);
- rq->rq_flags |= RQF_STARTED;
- return rq;
-}
-
-/*
- * One confusing aspect here is that we get called for a specific
- * hardware queue, but we may return a request that is for a
- * different hardware queue. This is because mq-deadline has shared
- * state for all hardware queues, in terms of sorting, FIFOs, etc.
- */
-static struct request *dd_dispatch_request(struct blk_mq_hw_ctx *hctx)
-{
- struct deadline_data *dd = hctx->queue->elevator->elevator_data;
- struct request *rq;
-
- spin_lock(&dd->lock);
- rq = __dd_dispatch_request(dd);
- spin_unlock(&dd->lock);
- if (rq)
- atomic_dec(&rq->mq_hctx->elevator_queued);
-
- return rq;
-}
-
-static void dd_exit_queue(struct elevator_queue *e)
-{
- struct deadline_data *dd = e->elevator_data;
-
- BUG_ON(!list_empty(&dd->fifo_list[READ]));
- BUG_ON(!list_empty(&dd->fifo_list[WRITE]));
-
- kfree(dd);
-}
-
-/*
- * initialize elevator private data (deadline_data).
- */
-static int dd_init_queue(struct request_queue *q, struct elevator_type *e)
-{
- struct deadline_data *dd;
- struct elevator_queue *eq;
-
- eq = elevator_alloc(q, e);
- if (!eq)
- return -ENOMEM;
-
- dd = kzalloc_node(sizeof(*dd), GFP_KERNEL, q->node);
- if (!dd) {
- kobject_put(&eq->kobj);
- return -ENOMEM;
- }
- eq->elevator_data = dd;
-
- INIT_LIST_HEAD(&dd->fifo_list[READ]);
- INIT_LIST_HEAD(&dd->fifo_list[WRITE]);
- dd->sort_list[READ] = RB_ROOT;
- dd->sort_list[WRITE] = RB_ROOT;
- dd->fifo_expire[READ] = read_expire;
- dd->fifo_expire[WRITE] = write_expire;
- dd->writes_starved = writes_starved;
- dd->front_merges = 1;
- dd->fifo_batch = fifo_batch;
- spin_lock_init(&dd->lock);
- spin_lock_init(&dd->zone_lock);
- INIT_LIST_HEAD(&dd->dispatch);
-
- q->elevator = eq;
- return 0;
-}
-
-static int dd_request_merge(struct request_queue *q, struct request **rq,
- struct bio *bio)
-{
- struct deadline_data *dd = q->elevator->elevator_data;
- sector_t sector = bio_end_sector(bio);
- struct request *__rq;
-
- if (!dd->front_merges)
- return ELEVATOR_NO_MERGE;
-
- __rq = elv_rb_find(&dd->sort_list[bio_data_dir(bio)], sector);
- if (__rq) {
- BUG_ON(sector != blk_rq_pos(__rq));
-
- if (elv_bio_merge_ok(__rq, bio)) {
- *rq = __rq;
- if (blk_discard_mergable(__rq))
- return ELEVATOR_DISCARD_MERGE;
- return ELEVATOR_FRONT_MERGE;
- }
- }
-
- return ELEVATOR_NO_MERGE;
-}
-
-static bool dd_bio_merge(struct request_queue *q, struct bio *bio,
- unsigned int nr_segs)
-{
- struct deadline_data *dd = q->elevator->elevator_data;
- struct request *free = NULL;
- bool ret;
-
- spin_lock(&dd->lock);
- ret = blk_mq_sched_try_merge(q, bio, nr_segs, &free);
- spin_unlock(&dd->lock);
-
- if (free)
- blk_mq_free_request(free);
-
- return ret;
-}
-
-/*
- * add rq to rbtree and fifo
- */
-static void dd_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq,
- bool at_head)
-{
- struct request_queue *q = hctx->queue;
- struct deadline_data *dd = q->elevator->elevator_data;
- const int data_dir = rq_data_dir(rq);
-
- /*
- * This may be a requeue of a write request that has locked its
- * target zone. If it is the case, this releases the zone lock.
- */
- blk_req_zone_write_unlock(rq);
-
- if (blk_mq_sched_try_insert_merge(q, rq))
- return;
-
- blk_mq_sched_request_inserted(rq);
-
- if (at_head || blk_rq_is_passthrough(rq)) {
- if (at_head)
- list_add(&rq->queuelist, &dd->dispatch);
- else
- list_add_tail(&rq->queuelist, &dd->dispatch);
- } else {
- deadline_add_rq_rb(dd, rq);
-
- if (rq_mergeable(rq)) {
- elv_rqhash_add(q, rq);
- if (!q->last_merge)
- q->last_merge = rq;
- }
-
- /*
- * set expire time and add to fifo list
- */
- rq->fifo_time = jiffies + dd->fifo_expire[data_dir];
- list_add_tail(&rq->queuelist, &dd->fifo_list[data_dir]);
- }
-}
-
-static void dd_insert_requests(struct blk_mq_hw_ctx *hctx,
- struct list_head *list, bool at_head)
-{
- struct request_queue *q = hctx->queue;
- struct deadline_data *dd = q->elevator->elevator_data;
-
- spin_lock(&dd->lock);
- while (!list_empty(list)) {
- struct request *rq;
-
- rq = list_first_entry(list, struct request, queuelist);
- list_del_init(&rq->queuelist);
- dd_insert_request(hctx, rq, at_head);
- atomic_inc(&hctx->elevator_queued);
- }
- spin_unlock(&dd->lock);
-}
-
-/*
- * Nothing to do here. This is defined only to ensure that .finish_request
- * method is called upon request completion.
- */
-static void dd_prepare_request(struct request *rq)
-{
-}
-
-/*
- * For zoned block devices, write unlock the target zone of
- * completed write requests. Do this while holding the zone lock
- * spinlock so that the zone is never unlocked while deadline_fifo_request()
- * or deadline_next_request() are executing. This function is called for
- * all requests, whether or not these requests complete successfully.
- *
- * For a zoned block device, __dd_dispatch_request() may have stopped
- * dispatching requests if all the queued requests are write requests directed
- * at zones that are already locked due to on-going write requests. To ensure
- * write request dispatch progress in this case, mark the queue as needing a
- * restart to ensure that the queue is run again after completion of the
- * request and zones being unlocked.
- */
-static void dd_finish_request(struct request *rq)
-{
- struct request_queue *q = rq->q;
-
- if (blk_queue_is_zoned(q)) {
- struct deadline_data *dd = q->elevator->elevator_data;
- unsigned long flags;
-
- spin_lock_irqsave(&dd->zone_lock, flags);
- blk_req_zone_write_unlock(rq);
- if (!list_empty(&dd->fifo_list[WRITE]))
- blk_mq_sched_mark_restart_hctx(rq->mq_hctx);
- spin_unlock_irqrestore(&dd->zone_lock, flags);
- }
-}
-
-static bool dd_has_work(struct blk_mq_hw_ctx *hctx)
-{
- struct deadline_data *dd = hctx->queue->elevator->elevator_data;
-
- if (!atomic_read(&hctx->elevator_queued))
- return false;
-
- return !list_empty_careful(&dd->dispatch) ||
- !list_empty_careful(&dd->fifo_list[0]) ||
- !list_empty_careful(&dd->fifo_list[1]);
-}
-
-/*
- * sysfs parts below
- */
-static ssize_t
-deadline_var_show(int var, char *page)
-{
- return sprintf(page, "%d\n", var);
-}
-
-static void
-deadline_var_store(int *var, const char *page)
-{
- char *p = (char *) page;
-
- *var = simple_strtol(p, &p, 10);
-}
-
-#define SHOW_FUNCTION(__FUNC, __VAR, __CONV) \
-static ssize_t __FUNC(struct elevator_queue *e, char *page) \
-{ \
- struct deadline_data *dd = e->elevator_data; \
- int __data = __VAR; \
- if (__CONV) \
- __data = jiffies_to_msecs(__data); \
- return deadline_var_show(__data, (page)); \
-}
-SHOW_FUNCTION(deadline_read_expire_show, dd->fifo_expire[READ], 1);
-SHOW_FUNCTION(deadline_write_expire_show, dd->fifo_expire[WRITE], 1);
-SHOW_FUNCTION(deadline_writes_starved_show, dd->writes_starved, 0);
-SHOW_FUNCTION(deadline_front_merges_show, dd->front_merges, 0);
-SHOW_FUNCTION(deadline_fifo_batch_show, dd->fifo_batch, 0);
-#undef SHOW_FUNCTION
-
-#define STORE_FUNCTION(__FUNC, __PTR, MIN, MAX, __CONV) \
-static ssize_t __FUNC(struct elevator_queue *e, const char *page, size_t count) \
-{ \
- struct deadline_data *dd = e->elevator_data; \
- int __data; \
- deadline_var_store(&__data, (page)); \
- if (__data < (MIN)) \
- __data = (MIN); \
- else if (__data > (MAX)) \
- __data = (MAX); \
- if (__CONV) \
- *(__PTR) = msecs_to_jiffies(__data); \
- else \
- *(__PTR) = __data; \
- return count; \
-}
-STORE_FUNCTION(deadline_read_expire_store, &dd->fifo_expire[READ], 0, INT_MAX, 1);
-STORE_FUNCTION(deadline_write_expire_store, &dd->fifo_expire[WRITE], 0, INT_MAX, 1);
-STORE_FUNCTION(deadline_writes_starved_store, &dd->writes_starved, INT_MIN, INT_MAX, 0);
-STORE_FUNCTION(deadline_front_merges_store, &dd->front_merges, 0, 1, 0);
-STORE_FUNCTION(deadline_fifo_batch_store, &dd->fifo_batch, 0, INT_MAX, 0);
-#undef STORE_FUNCTION
-
-#define DD_ATTR(name) \
- __ATTR(name, 0644, deadline_##name##_show, deadline_##name##_store)
-
-static struct elv_fs_entry deadline_attrs[] = {
- DD_ATTR(read_expire),
- DD_ATTR(write_expire),
- DD_ATTR(writes_starved),
- DD_ATTR(front_merges),
- DD_ATTR(fifo_batch),
- __ATTR_NULL
-};
-
-#ifdef CONFIG_BLK_DEBUG_FS
-#define DEADLINE_DEBUGFS_DDIR_ATTRS(ddir, name) \
-static void *deadline_##name##_fifo_start(struct seq_file *m, \
- loff_t *pos) \
- __acquires(&dd->lock) \
-{ \
- struct request_queue *q = m->private; \
- struct deadline_data *dd = q->elevator->elevator_data; \
- \
- spin_lock(&dd->lock); \
- return seq_list_start(&dd->fifo_list[ddir], *pos); \
-} \
- \
-static void *deadline_##name##_fifo_next(struct seq_file *m, void *v, \
- loff_t *pos) \
-{ \
- struct request_queue *q = m->private; \
- struct deadline_data *dd = q->elevator->elevator_data; \
- \
- return seq_list_next(v, &dd->fifo_list[ddir], pos); \
-} \
- \
-static void deadline_##name##_fifo_stop(struct seq_file *m, void *v) \
- __releases(&dd->lock) \
-{ \
- struct request_queue *q = m->private; \
- struct deadline_data *dd = q->elevator->elevator_data; \
- \
- spin_unlock(&dd->lock); \
-} \
- \
-static const struct seq_operations deadline_##name##_fifo_seq_ops = { \
- .start = deadline_##name##_fifo_start, \
- .next = deadline_##name##_fifo_next, \
- .stop = deadline_##name##_fifo_stop, \
- .show = blk_mq_debugfs_rq_show, \
-}; \
- \
-static int deadline_##name##_next_rq_show(void *data, \
- struct seq_file *m) \
-{ \
- struct request_queue *q = data; \
- struct deadline_data *dd = q->elevator->elevator_data; \
- struct request *rq = dd->next_rq[ddir]; \
- \
- if (rq) \
- __blk_mq_debugfs_rq_show(m, rq); \
- return 0; \
-}
-DEADLINE_DEBUGFS_DDIR_ATTRS(READ, read)
-DEADLINE_DEBUGFS_DDIR_ATTRS(WRITE, write)
-#undef DEADLINE_DEBUGFS_DDIR_ATTRS
-
-static int deadline_batching_show(void *data, struct seq_file *m)
-{
- struct request_queue *q = data;
- struct deadline_data *dd = q->elevator->elevator_data;
-
- seq_printf(m, "%u\n", dd->batching);
- return 0;
-}
-
-static int deadline_starved_show(void *data, struct seq_file *m)
-{
- struct request_queue *q = data;
- struct deadline_data *dd = q->elevator->elevator_data;
-
- seq_printf(m, "%u\n", dd->starved);
- return 0;
-}
-
-static void *deadline_dispatch_start(struct seq_file *m, loff_t *pos)
- __acquires(&dd->lock)
-{
- struct request_queue *q = m->private;
- struct deadline_data *dd = q->elevator->elevator_data;
-
- spin_lock(&dd->lock);
- return seq_list_start(&dd->dispatch, *pos);
-}
-
-static void *deadline_dispatch_next(struct seq_file *m, void *v, loff_t *pos)
-{
- struct request_queue *q = m->private;
- struct deadline_data *dd = q->elevator->elevator_data;
-
- return seq_list_next(v, &dd->dispatch, pos);
-}
-
-static void deadline_dispatch_stop(struct seq_file *m, void *v)
- __releases(&dd->lock)
-{
- struct request_queue *q = m->private;
- struct deadline_data *dd = q->elevator->elevator_data;
-
- spin_unlock(&dd->lock);
-}
-
-static const struct seq_operations deadline_dispatch_seq_ops = {
- .start = deadline_dispatch_start,
- .next = deadline_dispatch_next,
- .stop = deadline_dispatch_stop,
- .show = blk_mq_debugfs_rq_show,
-};
-
-#define DEADLINE_QUEUE_DDIR_ATTRS(name) \
- {#name "_fifo_list", 0400, .seq_ops = &deadline_##name##_fifo_seq_ops}, \
- {#name "_next_rq", 0400, deadline_##name##_next_rq_show}
-static const struct blk_mq_debugfs_attr deadline_queue_debugfs_attrs[] = {
- DEADLINE_QUEUE_DDIR_ATTRS(read),
- DEADLINE_QUEUE_DDIR_ATTRS(write),
- {"batching", 0400, deadline_batching_show},
- {"starved", 0400, deadline_starved_show},
- {"dispatch", 0400, .seq_ops = &deadline_dispatch_seq_ops},
- {},
-};
-#undef DEADLINE_QUEUE_DDIR_ATTRS
-#endif
-
-static struct elevator_type mq_deadline = {
- .ops = {
- .insert_requests = dd_insert_requests,
- .dispatch_request = dd_dispatch_request,
- .prepare_request = dd_prepare_request,
- .finish_request = dd_finish_request,
- .next_request = elv_rb_latter_request,
- .former_request = elv_rb_former_request,
- .bio_merge = dd_bio_merge,
- .request_merge = dd_request_merge,
- .requests_merged = dd_merged_requests,
- .request_merged = dd_request_merged,
- .has_work = dd_has_work,
- .init_sched = dd_init_queue,
- .exit_sched = dd_exit_queue,
- },
-
-#ifdef CONFIG_BLK_DEBUG_FS
- .queue_debugfs_attrs = deadline_queue_debugfs_attrs,
-#endif
- .elevator_attrs = deadline_attrs,
- .elevator_name = "mq-deadline",
- .elevator_alias = "deadline",
- .elevator_features = ELEVATOR_F_ZBD_SEQ_WRITE,
- .elevator_owner = THIS_MODULE,
-};
-MODULE_ALIAS("mq-deadline-iosched");
-
-static int __init deadline_init(void)
-{
- return elv_register(&mq_deadline);
-}
-
-static void __exit deadline_exit(void)
-{
- elv_unregister(&mq_deadline);
-}
-
-module_init(deadline_init);
-module_exit(deadline_exit);
-
-MODULE_AUTHOR("Jens Axboe");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("MQ deadline IO scheduler");
diff --git a/build.config.aarch64 b/build.config.aarch64
new file mode 100644
index 0000000..0346722
--- /dev/null
+++ b/build.config.aarch64
@@ -0,0 +1,20 @@
+ARCH=arm64
+
+LLVM_IAS=1
+CROSS_COMPILE=aarch64-linux-gnu-
+CROSS_COMPILE_COMPAT=arm-linux-gnueabi-
+LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=prebuilts/gas/linux-x86
+
+MAKE_GOALS="
+Image
+modules
+"
+
+FILES="
+arch/arm64/boot/Image
+vmlinux
+System.map
+vmlinux.symvers
+modules.builtin
+modules.builtin.modinfo
+"
diff --git a/build.config.allmodconfig b/build.config.allmodconfig
new file mode 100644
index 0000000..a48f8d4
--- /dev/null
+++ b/build.config.allmodconfig
@@ -0,0 +1,15 @@
+DEFCONFIG=allmodconfig
+
+HERMETIC_TOOLCHAIN=0
+
+POST_DEFCONFIG_CMDS="update_config"
+function update_config() {
+ ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+ -d TEST_KMOD \
+ -d CPU_BIG_ENDIAN \
+ -d DYNAMIC_FTRACE \
+ -e UNWINDER_FRAME_POINTER \
+
+ (cd ${OUT_DIR} && \
+ make O=${OUT_DIR} $archsubarch CROSS_COMPILE=${CROSS_COMPILE} "${TOOL_ARGS[@]}" ${MAKE_ARGS} olddefconfig)
+}
diff --git a/build.config.allmodconfig.aarch64 b/build.config.allmodconfig.aarch64
new file mode 100644
index 0000000..2fbe380
--- /dev/null
+++ b/build.config.allmodconfig.aarch64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.allmodconfig
+
diff --git a/build.config.allmodconfig.arm b/build.config.allmodconfig.arm
new file mode 100644
index 0000000..e92744a
--- /dev/null
+++ b/build.config.allmodconfig.arm
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.arm
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.allmodconfig
+
diff --git a/build.config.allmodconfig.x86_64 b/build.config.allmodconfig.x86_64
new file mode 100644
index 0000000..f06b30c
--- /dev/null
+++ b/build.config.allmodconfig.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.allmodconfig
+
diff --git a/build.config.amlogic b/build.config.amlogic
new file mode 100644
index 0000000..ec0741a
--- /dev/null
+++ b/build.config.amlogic
@@ -0,0 +1,32 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+
+DEFCONFIG=amlogic_gki_defconfig
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/${KERNEL_DIR}/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/amlogic_gki.fragment"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+
+# needed for DT overlay support
+DTC_FLAGS="-@"
+
+MAKE_GOALS="${MAKE_GOALS}
+dtbs
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.lz4
+arch/arm64/boot/dts/amlogic/meson-g12a-sei510*.dtb
+arch/arm64/boot/dts/amlogic/meson-sm1-sei610*.dtb
+arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l*.dtb
+arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3*.dtb
+"
+
+#
+# NOTE: Using Image.lz4 in MAKE_GOALS does not work because
+# kernel build passes legacy option (-l) to lz4 command
+# and u-boot fails to decompress. Instead, add custom
+# command to lz4 compress same options as kernel, but
+# without the -l.
+#
+EXTRA_CMDS="lz4_compress"
+function lz4_compress() {
+ lz4 -f -12 --favor-decSpeed ${OUT_DIR}/arch/arm64/boot/Image ${OUT_DIR}/arch/arm64/boot/Image.lz4
+}
diff --git a/build.config.arm b/build.config.arm
new file mode 100644
index 0000000..d944676
--- /dev/null
+++ b/build.config.arm
@@ -0,0 +1,16 @@
+ARCH=arm
+
+LLVM_IAS=1
+CROSS_COMPILE=arm-linux-gnueabi-
+LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=prebuilts/gas/linux-x86
+
+MAKE_GOALS="
+zImage
+modules
+"
+
+FILES="
+arch/arm/boot/zImage
+vmlinux
+System.map
+"
diff --git a/build.config.common b/build.config.common
new file mode 100644
index 0000000..b321ae2
--- /dev/null
+++ b/build.config.common
@@ -0,0 +1,15 @@
+BRANCH=android12-5.10
+KMI_GENERATION=9
+
+LLVM=1
+DEPMOD=depmod
+DTC=dtc
+CLANG_PREBUILT_BIN=prebuilts-master/clang/host/linux-x86/clang-r416183b/bin
+BUILDTOOLS_PREBUILT_BIN=build/build-tools/path/linux-x86
+
+EXTRA_CMDS=''
+STOP_SHIP_TRACEPRINTK=1
+IN_KERNEL_MODULES=1
+DO_NOT_STRIP_MODULES=1
+
+HERMETIC_TOOLCHAIN=${HERMETIC_TOOLCHAIN:-1}
diff --git a/build.config.db845c b/build.config.db845c
new file mode 100644
index 0000000..0cf9881
--- /dev/null
+++ b/build.config.db845c
@@ -0,0 +1,21 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+
+BUILD_INITRAMFS=1
+DEFCONFIG=db845c_gki_defconfig
+FRAGMENT_CONFIG=${KERNEL_DIR}/arch/arm64/configs/db845c_gki.fragment
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/${KERNEL_DIR}/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${FRAGMENT_CONFIG}"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+
+MAKE_GOALS="${MAKE_GOALS}
+qcom/sdm845-db845c.dtb
+Image.gz
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.gz
+arch/arm64/boot/dts/qcom/sdm845-db845c.dtb
+vmlinux
+"
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_db845c
+GKI_MODULES_LIST=android/gki_aarch64_modules
diff --git a/build.config.gki b/build.config.gki
new file mode 100644
index 0000000..44d4ed1
--- /dev/null
+++ b/build.config.gki
@@ -0,0 +1,3 @@
+DEFCONFIG=gki_defconfig
+POST_DEFCONFIG_CMDS="check_defconfig"
+
diff --git a/build.config.gki-debug.aarch64 b/build.config.gki-debug.aarch64
new file mode 100644
index 0000000..c1fe2f0
--- /dev/null
+++ b/build.config.gki-debug.aarch64
@@ -0,0 +1,3 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+TRIM_NONLISTED_KMI=""
+KMI_SYMBOL_LIST_STRICT_MODE=""
diff --git a/build.config.gki-debug.x86_64 b/build.config.gki-debug.x86_64
new file mode 100644
index 0000000..d89b7ad
--- /dev/null
+++ b/build.config.gki-debug.x86_64
@@ -0,0 +1,3 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.x86_64
+TRIM_NONLISTED_KMI=""
+KMI_SYMBOL_LIST_STRICT_MODE=""
diff --git a/build.config.gki.aarch64 b/build.config.gki.aarch64
new file mode 100644
index 0000000..690b6ec
--- /dev/null
+++ b/build.config.gki.aarch64
@@ -0,0 +1,43 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki
+
+MAKE_GOALS="${MAKE_GOALS}
+Image.lz4
+"
+
+ABI_DEFINITION=android/abi_gki_aarch64.xml
+TIDY_ABI=1
+KMI_SYMBOL_LIST=android/abi_gki_aarch64
+ADDITIONAL_KMI_SYMBOL_LISTS="
+android/abi_gki_aarch64_core
+android/abi_gki_aarch64_db845c
+android/abi_gki_aarch64_exynos
+android/abi_gki_aarch64_exynosauto
+android/abi_gki_aarch64_fips140
+android/abi_gki_aarch64_galaxy
+android/abi_gki_aarch64_generic
+android/abi_gki_aarch64_hikey960
+android/abi_gki_aarch64_imx
+android/abi_gki_aarch64_mtk
+android/abi_gki_aarch64_oplus
+android/abi_gki_aarch64_qcom
+android/abi_gki_aarch64_rockchip
+android/abi_gki_aarch64_unisoc
+android/abi_gki_aarch64_virtual_device
+android/abi_gki_aarch64_vivo
+android/abi_gki_aarch64_xiaomi
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.lz4
+"
+
+TRIM_NONLISTED_KMI=${TRIM_NONLISTED_KMI:-1}
+KMI_SYMBOL_LIST_STRICT_MODE=${KMI_SYMBOL_LIST_STRICT_MODE:-1}
+MODULES_ORDER=android/gki_aarch64_modules
+KMI_ENFORCED=1
+
+if [ -n "${GKI_DEFCONFIG_FRAGMENT}" ]; then
+source ${GKI_DEFCONFIG_FRAGMENT}
+fi
diff --git a/build.config.gki.aarch64.fips140 b/build.config.gki.aarch64.fips140
new file mode 100644
index 0000000..f7ef7da
--- /dev/null
+++ b/build.config.gki.aarch64.fips140
@@ -0,0 +1,18 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+
+FILES="${FILES}
+crypto/fips140.ko
+"
+
+if [ "${LTO}" = "none" ]; then
+ echo "The FIPS140 module needs LTO to be enabled."
+ exit 1
+fi
+
+MODULES_ORDER=android/gki_aarch64_fips140_modules
+
+DEFCONFIG=fips140_gki_defconfig
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_fips140
+PRE_DEFCONFIG_CMDS="cat ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/fips140_gki.fragment > ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG};"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+KMI_SYMBOL_LIST_ADD_ONLY=1
diff --git a/build.config.gki.aarch64.fips140_eval_testing b/build.config.gki.aarch64.fips140_eval_testing
new file mode 100644
index 0000000..66df5fe
--- /dev/null
+++ b/build.config.gki.aarch64.fips140_eval_testing
@@ -0,0 +1,3 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64.fips140
+
+PRE_DEFCONFIG_CMDS+=" cat ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/fips140_gki_eval_testing.fragment >> ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG};"
diff --git a/build.config.gki.x86_64 b/build.config.gki.x86_64
new file mode 100644
index 0000000..0e04fc6
--- /dev/null
+++ b/build.config.gki.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki
+
diff --git a/build.config.gki_kasan b/build.config.gki_kasan
new file mode 100644
index 0000000..3e24544
--- /dev/null
+++ b/build.config.gki_kasan
@@ -0,0 +1,21 @@
+DEFCONFIG=gki_defconfig
+POST_DEFCONFIG_CMDS="check_defconfig && update_kasan_config"
+KERNEL_DIR=common
+function update_kasan_config() {
+ ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+ -e CONFIG_KASAN \
+ -e CONFIG_KASAN_INLINE \
+ -e CONFIG_KCOV \
+ -e CONFIG_PANIC_ON_WARN_DEFAULT_ENABLE \
+ -d CONFIG_RANDOMIZE_BASE \
+ -d CONFIG_KASAN_OUTLINE \
+ --set-val CONFIG_FRAME_WARN 0 \
+ -d LTO_CLANG_THIN \
+ -d LTO_CLANG_FULL \
+ -d CFI_PERMISSIVE \
+ -d CFI_CLANG \
+ -d SHADOW_CALL_STACK
+ (cd ${OUT_DIR} && \
+ make ${CC_LD_ARG} O=${OUT_DIR} olddefconfig)
+}
+
diff --git a/build.config.gki_kasan.aarch64 b/build.config.gki_kasan.aarch64
new file mode 100644
index 0000000..9fd2560
--- /dev/null
+++ b/build.config.gki_kasan.aarch64
@@ -0,0 +1,3 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kasan
diff --git a/build.config.gki_kasan.x86_64 b/build.config.gki_kasan.x86_64
new file mode 100644
index 0000000..eec6458
--- /dev/null
+++ b/build.config.gki_kasan.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kasan
+
diff --git a/build.config.gki_kprobes b/build.config.gki_kprobes
new file mode 100644
index 0000000..24c58d5
--- /dev/null
+++ b/build.config.gki_kprobes
@@ -0,0 +1,19 @@
+DEFCONFIG=gki_defconfig
+POST_DEFCONFIG_CMDS="check_defconfig && update_kprobes_config"
+function update_kprobes_config() {
+ ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+ -d LTO_CLANG_THIN \
+ -d LTO_CLANG_FULL \
+ -d CFI_PERMISSIVE \
+ -d CFI_CLANG \
+ -e CONFIG_DYNAMIC_FTRACE \
+ -e CONFIG_FUNCTION_TRACER \
+ -e CONFIG_IRQSOFF_TRACER \
+ -e CONFIG_FUNCTION_PROFILER \
+ -e CONFIG_PREEMPT_TRACER \
+ -e CONFIG_CHECKPOINT_RESTORE \
+ -d CONFIG_RANDOMIZE_BASE
+ (cd ${OUT_DIR} && \
+ make ${CC_LD_ARG} O=${OUT_DIR} olddefconfig)
+}
+
diff --git a/build.config.gki_kprobes.aarch64 b/build.config.gki_kprobes.aarch64
new file mode 100644
index 0000000..627c217
--- /dev/null
+++ b/build.config.gki_kprobes.aarch64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kprobes
+
diff --git a/build.config.gki_kprobes.x86_64 b/build.config.gki_kprobes.x86_64
new file mode 100644
index 0000000..a1d3da7
--- /dev/null
+++ b/build.config.gki_kprobes.x86_64
@@ -0,0 +1,4 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.x86_64
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki_kprobes
+
diff --git a/build.config.hikey960 b/build.config.hikey960
new file mode 100644
index 0000000..29823f1
--- /dev/null
+++ b/build.config.hikey960
@@ -0,0 +1,24 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.common
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.aarch64
+
+DEFCONFIG=hikey960_gki_defconfig
+PRE_DEFCONFIG_CMDS="cat ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/hikey960_gki.fragment > ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG};"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}"
+
+EXT_MODULES="
+hikey-modules/midgard
+"
+
+MAKE_GOALS="${MAKE_GOALS}
+hisilicon/hi3660-hikey960.dtb
+Image.gz
+"
+
+FILES="${FILES}
+arch/arm64/boot/Image.gz
+arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dtb
+vmlinux
+System.map
+"
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_hikey960
+GKI_MODULES_LIST=android/gki_aarch64_modules
diff --git a/build.config.khwasan b/build.config.khwasan
new file mode 100644
index 0000000..c8e0c5e
--- /dev/null
+++ b/build.config.khwasan
@@ -0,0 +1,17 @@
+append_cmd POST_DEFCONFIG_CMDS update_khwasan_config
+
+function update_khwasan_config() {
+ ${KERNEL_DIR}/scripts/config --file ${OUT_DIR}/.config \
+ -e CONFIG_KASAN \
+ -d CONFIG_KASAN_HW_TAGS \
+ -e CONFIG_KASAN_SW_TAGS \
+ -e CONFIG_KASAN_OUTLINE \
+ -e CONFIG_KASAN_PANIC_ON_WARN \
+ -e CONFIG_KCOV \
+ -e CONFIG_PANIC_ON_WARN_DEFAULT_ENABLE \
+ -d CONFIG_RANDOMIZE_BASE \
+ --set-val CONFIG_FRAME_WARN 0 \
+ -d SHADOW_CALL_STACK
+ (cd ${OUT_DIR} && \
+ make O=${OUT_DIR} "${TOOL_ARGS[@]}" ${MAKE_ARGS} olddefconfig)
+}
diff --git a/build.config.rockchip b/build.config.rockchip
new file mode 100644
index 0000000..e7f0831
--- /dev/null
+++ b/build.config.rockchip
@@ -0,0 +1,8 @@
+. ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki.aarch64
+
+
+DEFCONFIG=rockchip_aarch64_gki_defconfig
+KMI_SYMBOL_LIST=android/abi_gki_aarch64_rockchip
+PRE_DEFCONFIG_CMDS="KCONFIG_CONFIG=${ROOT_DIR}/common/arch/arm64/configs/${DEFCONFIG} ${ROOT_DIR}/common/scripts/kconfig/merge_config.sh -m -r ${ROOT_DIR}/common/arch/arm64/configs/gki_defconfig ${ROOT_DIR}/common/arch/arm64/configs/rockchip_gki.config"
+POST_DEFCONFIG_CMDS="rm ${ROOT_DIR}/common/arch/arm64/configs/${DEFCONFIG}"
+
diff --git a/build.config.x86_64 b/build.config.x86_64
new file mode 100644
index 0000000..ae4d41a
--- /dev/null
+++ b/build.config.x86_64
@@ -0,0 +1,20 @@
+ARCH=x86_64
+
+LLVM_IAS=1
+CROSS_COMPILE=x86_64-linux-gnu-
+LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=prebuilts/gas/linux-x86
+
+MAKE_GOALS="
+bzImage
+modules
+prepare-objtool
+"
+
+FILES="
+arch/x86/boot/bzImage
+vmlinux
+System.map
+vmlinux.symvers
+modules.builtin
+modules.builtin.modinfo
+"
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 1157f82..a86d17e 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -32,6 +32,36 @@
certification. You should say no unless you know what
this is.
+# CRYPTO_FIPS140 just enables the support in the kernel for loading fips140.ko.
+# The module still needs to be built and loaded if you need FIPS 140 compliance.
+config CRYPTO_FIPS140
+ def_bool y
+ depends on MODULES && ARM64 && ARM64_MODULE_PLTS
+
+config CRYPTO_FIPS140_MOD
+ bool "Enable FIPS 140 cryptographic module"
+ depends on LTO_CLANG && CRYPTO_FIPS140
+ help
+ This option enables building a loadable module fips140.ko, which
+ contains various crypto algorithms that are also built into vmlinux.
+ At load time, this module overrides the built-in implementations of
+ these algorithms with its implementations. It also runs self-tests on
+ these algorithms and verifies the integrity of its code and data. If
+ either of these steps fails, the kernel will panic.
+
+ This module is intended to be loaded at early boot time in order to
+ meet FIPS 140 and NIAP FPT_TST_EXT.1 requirements. It shouldn't be
+ used if you don't need to meet these requirements.
+
+config CRYPTO_FIPS140_MOD_EVAL_TESTING
+ bool "Enable evaluation testing features in FIPS 140 module"
+ depends on CRYPTO_FIPS140_MOD
+ help
+ This option adds some features to the FIPS 140 module which are needed
+ for lab evaluation testing of the module, e.g. support for injecting
+ errors and support for a userspace interface to some of the module's
+ services. This option should not be enabled in production builds.
+
config CRYPTO_ALGAPI
tristate
select CRYPTO_ALGAPI2
diff --git a/crypto/Makefile b/crypto/Makefile
index b279483..f8a3677 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -197,3 +197,58 @@
obj-$(CONFIG_CRYPTO_HASH_INFO) += hash_info.o
crypto_simd-y := simd.o
obj-$(CONFIG_CRYPTO_SIMD) += crypto_simd.o
+
+ifneq ($(CONFIG_CRYPTO_FIPS140_MOD),)
+
+FIPS140_CFLAGS := -D__DISABLE_EXPORTS -DBUILD_FIPS140_KO -include fips140-defs.h
+
+CFLAGS_jitterentropy-fips.o := -O0
+KASAN_SANITIZE_jitterentropy-fips.o = n
+UBSAN_SANITIZE_jitterentropy-fips.o = n
+
+#
+# Create a separate FIPS archive containing a duplicate of each builtin generic
+# module that is in scope for FIPS 140-2 certification
+#
+crypto-fips-objs := drbg.o ecb.o cbc.o ctr.o cts.o gcm.o xts.o hmac.o cmac.o \
+ memneq.o gf128mul.o aes_generic.o lib-crypto-aes.o \
+ jitterentropy.o jitterentropy-kcapi.o \
+ sha1_generic.o sha256_generic.o sha512_generic.o \
+ lib-sha1.o lib-crypto-sha256.o
+crypto-fips-objs := $(foreach o,$(crypto-fips-objs),$(o:.o=-fips.o))
+
+# get the arch to add its objects to $(crypto-fips-objs)
+include $(srctree)/arch/$(ARCH)/crypto/Kbuild.fips140
+
+extra-$(CONFIG_CRYPTO_FIPS140_MOD) += crypto-fips.a
+
+$(obj)/%-fips.o: KBUILD_CFLAGS += $(FIPS140_CFLAGS)
+$(obj)/%-fips.o: $(src)/%.c FORCE
+ $(call if_changed_rule,cc_o_c)
+$(obj)/lib-%-fips.o: $(srctree)/lib/%.c FORCE
+ $(call if_changed_rule,cc_o_c)
+$(obj)/lib-crypto-%-fips.o: $(srctree)/lib/crypto/%.c FORCE
+ $(call if_changed_rule,cc_o_c)
+
+$(obj)/crypto-fips.a: $(addprefix $(obj)/,$(crypto-fips-objs)) FORCE
+ $(call if_changed,ar_and_symver)
+
+fips140-objs := \
+ fips140-alg-registration.o \
+ fips140-module.o \
+ fips140-refs.o \
+ fips140-selftests.o \
+ crypto-fips.a
+fips140-$(CONFIG_CRYPTO_FIPS140_MOD_EVAL_TESTING) += \
+ fips140-eval-testing.o
+obj-m += fips140.o
+
+CFLAGS_fips140-alg-registration.o += $(FIPS140_CFLAGS)
+CFLAGS_fips140-module.o += $(FIPS140_CFLAGS)
+CFLAGS_fips140-selftests.o += $(FIPS140_CFLAGS)
+CFLAGS_fips140-eval-testing.o += $(FIPS140_CFLAGS)
+
+hostprogs-always-y := fips140_gen_hmac
+HOSTLDLIBS_fips140_gen_hmac := -lcrypto -lelf
+
+endif
diff --git a/crypto/adiantum.c b/crypto/adiantum.c
index ce4d572..8445013 100644
--- a/crypto/adiantum.c
+++ b/crypto/adiantum.c
@@ -32,6 +32,7 @@
#include <crypto/b128ops.h>
#include <crypto/chacha.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/poly1305.h>
#include <crypto/internal/skcipher.h>
@@ -616,3 +617,4 @@ MODULE_DESCRIPTION("Adiantum length-preserving encryption mode");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
MODULE_ALIAS_CRYPTO("adiantum");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
index c475c11..3f512ef 100644
--- a/crypto/ansi_cprng.c
+++ b/crypto/ansi_cprng.c
@@ -7,6 +7,7 @@
* (C) Neil Horman <nhorman@tuxdriver.com>
*/
+#include <crypto/internal/cipher.h>
#include <crypto/internal/rng.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -470,3 +471,4 @@ subsys_initcall(prng_mod_init);
module_exit(prng_mod_fini);
MODULE_ALIAS_CRYPTO("stdrng");
MODULE_ALIAS_CRYPTO("ansi_cprng");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c
index a2ffe60..6704c03 100644
--- a/crypto/blake2b_generic.c
+++ b/crypto/blake2b_generic.c
@@ -1,55 +1,27 @@
// SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0)
/*
- * BLAKE2b reference source code package - reference C implementations
+ * Generic implementation of the BLAKE2b digest algorithm. Based on the BLAKE2b
+ * reference implementation, but it has been heavily modified for use in the
+ * kernel. The reference implementation was:
*
- * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
- * terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
- * your option. The terms of these licenses can be found at:
+ * Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under
+ * the terms of the CC0, the OpenSSL Licence, or the Apache Public License
+ * 2.0, at your option. The terms of these licenses can be found at:
*
- * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- * - OpenSSL license : https://www.openssl.org/source/license.html
- * - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
+ * - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+ * - OpenSSL license : https://www.openssl.org/source/license.html
+ * - Apache 2.0 : https://www.apache.org/licenses/LICENSE-2.0
*
- * More information about the BLAKE2 hash function can be found at
- * https://blake2.net.
- *
- * Note: the original sources have been modified for inclusion in linux kernel
- * in terms of coding style, using generic helpers and simplifications of error
- * handling.
+ * More information about BLAKE2 can be found at https://blake2.net.
*/
#include <asm/unaligned.h>
#include <linux/module.h>
-#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
+#include <crypto/internal/blake2b.h>
#include <crypto/internal/hash.h>
-#define BLAKE2B_160_DIGEST_SIZE (160 / 8)
-#define BLAKE2B_256_DIGEST_SIZE (256 / 8)
-#define BLAKE2B_384_DIGEST_SIZE (384 / 8)
-#define BLAKE2B_512_DIGEST_SIZE (512 / 8)
-
-enum blake2b_constant {
- BLAKE2B_BLOCKBYTES = 128,
- BLAKE2B_KEYBYTES = 64,
-};
-
-struct blake2b_state {
- u64 h[8];
- u64 t[2];
- u64 f[2];
- u8 buf[BLAKE2B_BLOCKBYTES];
- size_t buflen;
-};
-
-static const u64 blake2b_IV[8] = {
- 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
- 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
- 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
- 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
-};
-
static const u8 blake2b_sigma[12][16] = {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
@@ -95,8 +67,8 @@ static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc)
G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
} while (0)
-static void blake2b_compress(struct blake2b_state *S,
- const u8 block[BLAKE2B_BLOCKBYTES])
+static void blake2b_compress_one_generic(struct blake2b_state *S,
+ const u8 block[BLAKE2B_BLOCK_SIZE])
{
u64 m[16];
u64 v[16];
@@ -108,14 +80,14 @@ static void blake2b_compress(struct blake2b_state *S,
for (i = 0; i < 8; ++i)
v[i] = S->h[i];
- v[ 8] = blake2b_IV[0];
- v[ 9] = blake2b_IV[1];
- v[10] = blake2b_IV[2];
- v[11] = blake2b_IV[3];
- v[12] = blake2b_IV[4] ^ S->t[0];
- v[13] = blake2b_IV[5] ^ S->t[1];
- v[14] = blake2b_IV[6] ^ S->f[0];
- v[15] = blake2b_IV[7] ^ S->f[1];
+ v[ 8] = BLAKE2B_IV0;
+ v[ 9] = BLAKE2B_IV1;
+ v[10] = BLAKE2B_IV2;
+ v[11] = BLAKE2B_IV3;
+ v[12] = BLAKE2B_IV4 ^ S->t[0];
+ v[13] = BLAKE2B_IV5 ^ S->t[1];
+ v[14] = BLAKE2B_IV6 ^ S->f[0];
+ v[15] = BLAKE2B_IV7 ^ S->f[1];
ROUND(0);
ROUND(1);
@@ -139,159 +111,54 @@ static void blake2b_compress(struct blake2b_state *S,
#undef G
#undef ROUND
-struct blake2b_tfm_ctx {
- u8 key[BLAKE2B_KEYBYTES];
- unsigned int keylen;
-};
-
-static int blake2b_setkey(struct crypto_shash *tfm, const u8 *key,
- unsigned int keylen)
+void blake2b_compress_generic(struct blake2b_state *state,
+ const u8 *block, size_t nblocks, u32 inc)
{
- struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+ do {
+ blake2b_increment_counter(state, inc);
+ blake2b_compress_one_generic(state, block);
+ block += BLAKE2B_BLOCK_SIZE;
+ } while (--nblocks);
+}
+EXPORT_SYMBOL(blake2b_compress_generic);
- if (keylen == 0 || keylen > BLAKE2B_KEYBYTES)
- return -EINVAL;
-
- memcpy(tctx->key, key, keylen);
- tctx->keylen = keylen;
-
- return 0;
+static int crypto_blake2b_update_generic(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen)
+{
+ return crypto_blake2b_update(desc, in, inlen, blake2b_compress_generic);
}
-static int blake2b_init(struct shash_desc *desc)
+static int crypto_blake2b_final_generic(struct shash_desc *desc, u8 *out)
{
- struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
- struct blake2b_state *state = shash_desc_ctx(desc);
- const int digestsize = crypto_shash_digestsize(desc->tfm);
+ return crypto_blake2b_final(desc, out, blake2b_compress_generic);
+}
- memset(state, 0, sizeof(*state));
- memcpy(state->h, blake2b_IV, sizeof(state->h));
-
- /* Parameter block is all zeros except index 0, no xor for 1..7 */
- state->h[0] ^= 0x01010000 | tctx->keylen << 8 | digestsize;
-
- if (tctx->keylen) {
- /*
- * Prefill the buffer with the key, next call to _update or
- * _final will process it
- */
- memcpy(state->buf, tctx->key, tctx->keylen);
- state->buflen = BLAKE2B_BLOCKBYTES;
+#define BLAKE2B_ALG(name, driver_name, digest_size) \
+ { \
+ .base.cra_name = name, \
+ .base.cra_driver_name = driver_name, \
+ .base.cra_priority = 100, \
+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
+ .base.cra_blocksize = BLAKE2B_BLOCK_SIZE, \
+ .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx), \
+ .base.cra_module = THIS_MODULE, \
+ .digestsize = digest_size, \
+ .setkey = crypto_blake2b_setkey, \
+ .init = crypto_blake2b_init, \
+ .update = crypto_blake2b_update_generic, \
+ .final = crypto_blake2b_final_generic, \
+ .descsize = sizeof(struct blake2b_state), \
}
- return 0;
-}
-
-static int blake2b_update(struct shash_desc *desc, const u8 *in,
- unsigned int inlen)
-{
- struct blake2b_state *state = shash_desc_ctx(desc);
- const size_t left = state->buflen;
- const size_t fill = BLAKE2B_BLOCKBYTES - left;
-
- if (!inlen)
- return 0;
-
- if (inlen > fill) {
- state->buflen = 0;
- /* Fill buffer */
- memcpy(state->buf + left, in, fill);
- blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES);
- /* Compress */
- blake2b_compress(state, state->buf);
- in += fill;
- inlen -= fill;
- while (inlen > BLAKE2B_BLOCKBYTES) {
- blake2b_increment_counter(state, BLAKE2B_BLOCKBYTES);
- blake2b_compress(state, in);
- in += BLAKE2B_BLOCKBYTES;
- inlen -= BLAKE2B_BLOCKBYTES;
- }
- }
- memcpy(state->buf + state->buflen, in, inlen);
- state->buflen += inlen;
-
- return 0;
-}
-
-static int blake2b_final(struct shash_desc *desc, u8 *out)
-{
- struct blake2b_state *state = shash_desc_ctx(desc);
- const int digestsize = crypto_shash_digestsize(desc->tfm);
- size_t i;
-
- blake2b_increment_counter(state, state->buflen);
- /* Set last block */
- state->f[0] = (u64)-1;
- /* Padding */
- memset(state->buf + state->buflen, 0, BLAKE2B_BLOCKBYTES - state->buflen);
- blake2b_compress(state, state->buf);
-
- /* Avoid temporary buffer and switch the internal output to LE order */
- for (i = 0; i < ARRAY_SIZE(state->h); i++)
- __cpu_to_le64s(&state->h[i]);
-
- memcpy(out, state->h, digestsize);
- return 0;
-}
static struct shash_alg blake2b_algs[] = {
- {
- .base.cra_name = "blake2b-160",
- .base.cra_driver_name = "blake2b-160-generic",
- .base.cra_priority = 100,
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
- .base.cra_module = THIS_MODULE,
- .digestsize = BLAKE2B_160_DIGEST_SIZE,
- .setkey = blake2b_setkey,
- .init = blake2b_init,
- .update = blake2b_update,
- .final = blake2b_final,
- .descsize = sizeof(struct blake2b_state),
- }, {
- .base.cra_name = "blake2b-256",
- .base.cra_driver_name = "blake2b-256-generic",
- .base.cra_priority = 100,
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
- .base.cra_module = THIS_MODULE,
- .digestsize = BLAKE2B_256_DIGEST_SIZE,
- .setkey = blake2b_setkey,
- .init = blake2b_init,
- .update = blake2b_update,
- .final = blake2b_final,
- .descsize = sizeof(struct blake2b_state),
- }, {
- .base.cra_name = "blake2b-384",
- .base.cra_driver_name = "blake2b-384-generic",
- .base.cra_priority = 100,
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
- .base.cra_module = THIS_MODULE,
- .digestsize = BLAKE2B_384_DIGEST_SIZE,
- .setkey = blake2b_setkey,
- .init = blake2b_init,
- .update = blake2b_update,
- .final = blake2b_final,
- .descsize = sizeof(struct blake2b_state),
- }, {
- .base.cra_name = "blake2b-512",
- .base.cra_driver_name = "blake2b-512-generic",
- .base.cra_priority = 100,
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
- .base.cra_module = THIS_MODULE,
- .digestsize = BLAKE2B_512_DIGEST_SIZE,
- .setkey = blake2b_setkey,
- .init = blake2b_init,
- .update = blake2b_update,
- .final = blake2b_final,
- .descsize = sizeof(struct blake2b_state),
- }
+ BLAKE2B_ALG("blake2b-160", "blake2b-160-generic",
+ BLAKE2B_160_HASH_SIZE),
+ BLAKE2B_ALG("blake2b-256", "blake2b-256-generic",
+ BLAKE2B_256_HASH_SIZE),
+ BLAKE2B_ALG("blake2b-384", "blake2b-384-generic",
+ BLAKE2B_384_HASH_SIZE),
+ BLAKE2B_ALG("blake2b-512", "blake2b-512-generic",
+ BLAKE2B_512_HASH_SIZE),
};
static int __init blake2b_mod_init(void)
diff --git a/crypto/blake2s_generic.c b/crypto/blake2s_generic.c
index 005783f..72fe480f 100644
--- a/crypto/blake2s_generic.c
+++ b/crypto/blake2s_generic.c
@@ -1,149 +1,55 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
+ * shash interface to the generic implementation of BLAKE2s
+ *
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#include <crypto/internal/blake2s.h>
-#include <crypto/internal/simd.h>
#include <crypto/internal/hash.h>
#include <linux/types.h>
-#include <linux/jump_label.h>
#include <linux/kernel.h>
#include <linux/module.h>
-static int crypto_blake2s_setkey(struct crypto_shash *tfm, const u8 *key,
- unsigned int keylen)
+static int crypto_blake2s_update_generic(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen)
{
- struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm);
-
- if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE)
- return -EINVAL;
-
- memcpy(tctx->key, key, keylen);
- tctx->keylen = keylen;
-
- return 0;
+ return crypto_blake2s_update(desc, in, inlen, blake2s_compress_generic);
}
-static int crypto_blake2s_init(struct shash_desc *desc)
+static int crypto_blake2s_final_generic(struct shash_desc *desc, u8 *out)
{
- struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
- struct blake2s_state *state = shash_desc_ctx(desc);
- const int outlen = crypto_shash_digestsize(desc->tfm);
-
- if (tctx->keylen)
- blake2s_init_key(state, outlen, tctx->key, tctx->keylen);
- else
- blake2s_init(state, outlen);
-
- return 0;
+ return crypto_blake2s_final(desc, out, blake2s_compress_generic);
}
-static int crypto_blake2s_update(struct shash_desc *desc, const u8 *in,
- unsigned int inlen)
-{
- struct blake2s_state *state = shash_desc_ctx(desc);
- const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;
-
- if (unlikely(!inlen))
- return 0;
- if (inlen > fill) {
- memcpy(state->buf + state->buflen, in, fill);
- blake2s_compress_generic(state, state->buf, 1, BLAKE2S_BLOCK_SIZE);
- state->buflen = 0;
- in += fill;
- inlen -= fill;
+#define BLAKE2S_ALG(name, driver_name, digest_size) \
+ { \
+ .base.cra_name = name, \
+ .base.cra_driver_name = driver_name, \
+ .base.cra_priority = 100, \
+ .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY, \
+ .base.cra_blocksize = BLAKE2S_BLOCK_SIZE, \
+ .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx), \
+ .base.cra_module = THIS_MODULE, \
+ .digestsize = digest_size, \
+ .setkey = crypto_blake2s_setkey, \
+ .init = crypto_blake2s_init, \
+ .update = crypto_blake2s_update_generic, \
+ .final = crypto_blake2s_final_generic, \
+ .descsize = sizeof(struct blake2s_state), \
}
- if (inlen > BLAKE2S_BLOCK_SIZE) {
- const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE);
- /* Hash one less (full) block than strictly possible */
- blake2s_compress_generic(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE);
- in += BLAKE2S_BLOCK_SIZE * (nblocks - 1);
- inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1);
- }
- memcpy(state->buf + state->buflen, in, inlen);
- state->buflen += inlen;
- return 0;
-}
-
-static int crypto_blake2s_final(struct shash_desc *desc, u8 *out)
-{
- struct blake2s_state *state = shash_desc_ctx(desc);
-
- blake2s_set_lastblock(state);
- memset(state->buf + state->buflen, 0,
- BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */
- blake2s_compress_generic(state, state->buf, 1, state->buflen);
- cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
- memcpy(out, state->h, state->outlen);
- memzero_explicit(state, sizeof(*state));
-
- return 0;
-}
-
-static struct shash_alg blake2s_algs[] = {{
- .base.cra_name = "blake2s-128",
- .base.cra_driver_name = "blake2s-128-generic",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_128_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}, {
- .base.cra_name = "blake2s-160",
- .base.cra_driver_name = "blake2s-160-generic",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_160_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}, {
- .base.cra_name = "blake2s-224",
- .base.cra_driver_name = "blake2s-224-generic",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_224_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}, {
- .base.cra_name = "blake2s-256",
- .base.cra_driver_name = "blake2s-256-generic",
- .base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .base.cra_ctxsize = sizeof(struct blake2s_tfm_ctx),
- .base.cra_priority = 200,
- .base.cra_blocksize = BLAKE2S_BLOCK_SIZE,
- .base.cra_module = THIS_MODULE,
-
- .digestsize = BLAKE2S_256_HASH_SIZE,
- .setkey = crypto_blake2s_setkey,
- .init = crypto_blake2s_init,
- .update = crypto_blake2s_update,
- .final = crypto_blake2s_final,
- .descsize = sizeof(struct blake2s_state),
-}};
+static struct shash_alg blake2s_algs[] = {
+ BLAKE2S_ALG("blake2s-128", "blake2s-128-generic",
+ BLAKE2S_128_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-160", "blake2s-160-generic",
+ BLAKE2S_160_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-224", "blake2s-224-generic",
+ BLAKE2S_224_HASH_SIZE),
+ BLAKE2S_ALG("blake2s-256", "blake2s-256-generic",
+ BLAKE2S_256_HASH_SIZE),
+};
static int __init blake2s_mod_init(void)
{
diff --git a/crypto/cbc.c b/crypto/cbc.c
index 0d9509df..6c03e96 100644
--- a/crypto/cbc.c
+++ b/crypto/cbc.c
@@ -6,6 +6,7 @@
*/
#include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <linux/err.h>
#include <linux/init.h>
diff --git a/crypto/ccm.c b/crypto/ccm.c
index 494d709..6b815ec 100644
--- a/crypto/ccm.c
+++ b/crypto/ccm.c
@@ -6,6 +6,7 @@
*/
#include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
@@ -954,3 +955,4 @@ MODULE_ALIAS_CRYPTO("ccm_base");
MODULE_ALIAS_CRYPTO("rfc4309");
MODULE_ALIAS_CRYPTO("ccm");
MODULE_ALIAS_CRYPTO("cbcmac");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/cfb.c b/crypto/cfb.c
index 4e5219b..0d664df 100644
--- a/crypto/cfb.c
+++ b/crypto/cfb.c
@@ -20,6 +20,7 @@
*/
#include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -250,3 +251,4 @@ module_exit(crypto_cfb_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CFB block cipher mode of operation");
MODULE_ALIAS_CRYPTO("cfb");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/cipher.c b/crypto/cipher.c
index fd78150..b47141e 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -9,6 +9,7 @@
*/
#include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
#include <linux/kernel.h>
#include <linux/crypto.h>
#include <linux/errno.h>
@@ -53,7 +54,7 @@ int crypto_cipher_setkey(struct crypto_cipher *tfm,
return cia->cia_setkey(crypto_cipher_tfm(tfm), key, keylen);
}
-EXPORT_SYMBOL_GPL(crypto_cipher_setkey);
+EXPORT_SYMBOL_NS_GPL(crypto_cipher_setkey, CRYPTO_INTERNAL);
static inline void cipher_crypt_one(struct crypto_cipher *tfm,
u8 *dst, const u8 *src, bool enc)
@@ -81,11 +82,11 @@ void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
{
cipher_crypt_one(tfm, dst, src, true);
}
-EXPORT_SYMBOL_GPL(crypto_cipher_encrypt_one);
+EXPORT_SYMBOL_NS_GPL(crypto_cipher_encrypt_one, CRYPTO_INTERNAL);
void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
u8 *dst, const u8 *src)
{
cipher_crypt_one(tfm, dst, src, false);
}
-EXPORT_SYMBOL_GPL(crypto_cipher_decrypt_one);
+EXPORT_SYMBOL_NS_GPL(crypto_cipher_decrypt_one, CRYPTO_INTERNAL);
diff --git a/crypto/cmac.c b/crypto/cmac.c
index df36be1..f4a5d3b 100644
--- a/crypto/cmac.c
+++ b/crypto/cmac.c
@@ -11,6 +11,7 @@
* Author: Kazunori Miyazawa <miyazawa@linux-ipv6.org>
*/
+#include <crypto/internal/cipher.h>
#include <crypto/internal/hash.h>
#include <linux/err.h>
#include <linux/kernel.h>
@@ -313,3 +314,4 @@ module_exit(crypto_cmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CMAC keyed hash algorithm");
MODULE_ALIAS_CRYPTO("cmac");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/ctr.c b/crypto/ctr.c
index c39fcff..23c698b 100644
--- a/crypto/ctr.c
+++ b/crypto/ctr.c
@@ -7,6 +7,7 @@
#include <crypto/algapi.h>
#include <crypto/ctr.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -358,3 +359,4 @@ MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("CTR block cipher mode of operation");
MODULE_ALIAS_CRYPTO("rfc3686");
MODULE_ALIAS_CRYPTO("ctr");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 3132967..1b4587e 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -98,6 +98,7 @@
*/
#include <crypto/drbg.h>
+#include <crypto/internal/cipher.h>
#include <linux/kernel.h>
/***************************************************************
@@ -2161,3 +2162,4 @@ MODULE_DESCRIPTION("NIST SP800-90A Deterministic Random Bit Generator (DRBG) "
CRYPTO_DRBG_HMAC_STRING
CRYPTO_DRBG_CTR_STRING);
MODULE_ALIAS_CRYPTO("stdrng");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/ecb.c b/crypto/ecb.c
index 69a687c..71fbb05 100644
--- a/crypto/ecb.c
+++ b/crypto/ecb.c
@@ -6,6 +6,7 @@
*/
#include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <linux/err.h>
#include <linux/init.h>
diff --git a/crypto/essiv.c b/crypto/essiv.c
index d012be2..8bcc5bd 100644
--- a/crypto/essiv.c
+++ b/crypto/essiv.c
@@ -30,6 +30,7 @@
#include <crypto/authenc.h>
#include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/hash.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
@@ -643,3 +644,4 @@ module_exit(essiv_module_exit);
MODULE_DESCRIPTION("ESSIV skcipher/aead wrapper for block encryption");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS_CRYPTO("essiv");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/fips140-alg-registration.c b/crypto/fips140-alg-registration.c
new file mode 100644
index 0000000..03757f8
--- /dev/null
+++ b/crypto/fips140-alg-registration.c
@@ -0,0 +1,388 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Block crypto operations until tests complete
+ *
+ * Copyright 2021 Google LLC
+ *
+ * This file defines the fips140_crypto_register_*() functions, to which all
+ * calls to crypto_register_*() in the module are redirected. These functions
+ * override the tfm initialization function of each algorithm to insert a wait
+ * for the module having completed its self-tests and integrity check.
+ *
+ * The exact field that we override depends on the algorithm type. For
+ * algorithm types that have a strongly-typed initialization function pointer
+ * (e.g. skcipher), we must override that, since cra_init isn't guaranteed to be
+ * called for those despite the field being present in the base struct. For the
+ * other algorithm types (e.g. "cipher") we must override cra_init.
+ *
+ * All of this applies to both normal algorithms and template instances.
+ *
+ * The purpose of all of this is to meet a FIPS requirement where the module
+ * must not produce any output from cryptographic algorithms until it completes
+ * its tests. Technically this is impossible, but this solution meets the
+ * intent of the requirement, assuming the user makes a supported sequence of
+ * API calls. Note that we can't simply run the tests before registering the
+ * algorithms, as the algorithms must be registered in order to run the tests.
+ *
+ * It would be much easier to handle this in the kernel's crypto API framework.
+ * Unfortunately, that was deemed insufficient because the module itself is
+ * required to do the enforcement. What is *actually* required is still very
+ * vague, but the approach implemented here should meet the requirement.
+ */
+
+/*
+ * This file is the one place in fips140.ko that needs to call the kernel's real
+ * algorithm registration functions, so #undefine all the macros from
+ * fips140-defs.h so that the "fips140_" prefix doesn't automatically get added.
+ */
+#undef aead_register_instance
+#undef ahash_register_instance
+#undef crypto_register_aead
+#undef crypto_register_aeads
+#undef crypto_register_ahash
+#undef crypto_register_ahashes
+#undef crypto_register_alg
+#undef crypto_register_algs
+#undef crypto_register_rng
+#undef crypto_register_rngs
+#undef crypto_register_shash
+#undef crypto_register_shashes
+#undef crypto_register_skcipher
+#undef crypto_register_skciphers
+#undef shash_register_instance
+#undef skcipher_register_instance
+
+#include <crypto/algapi.h>
+#include <crypto/internal/aead.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/rng.h>
+#include <crypto/internal/skcipher.h>
+#include <linux/xarray.h>
+
+#include "fips140-module.h"
+
+/* Indicates whether the self-tests and integrity check have completed */
+DECLARE_COMPLETION(fips140_tests_done);
+
+/* The thread running the self-tests and integrity check */
+struct task_struct *fips140_init_thread;
+
+/*
+ * Map from crypto_alg to original initialization function (possibly NULL)
+ *
+ * Note: unregistering an algorithm will leak its map entry, as we don't bother
+ * to remove it. This should be fine since fips140.ko can't be unloaded. The
+ * proper solution would be to store the original function pointer in a new
+ * field in 'struct crypto_alg', but that would require kernel support.
+ */
+static DEFINE_XARRAY(fips140_init_func_map);
+
+static bool fips140_ready(void)
+{
+ return completion_done(&fips140_tests_done);
+}
+
+/*
+ * Wait until crypto operations are allowed to proceed. Return true if the
+ * tests are done, or false if the caller is the thread running the tests so it
+ * is allowed to proceed anyway.
+ */
+static bool fips140_wait_until_ready(struct crypto_alg *alg)
+{
+ if (fips140_ready())
+ return true;
+ /*
+ * The thread running the tests must not wait. Since tfms can only be
+ * allocated in task context, we can reliably determine whether the
+ * invocation is from that thread or not by checking 'current'.
+ */
+ if (current == fips140_init_thread)
+ return false;
+
+ pr_info("blocking user of %s until tests complete\n",
+ alg->cra_driver_name);
+ wait_for_completion(&fips140_tests_done);
+ pr_info("tests done, allowing %s to proceed\n", alg->cra_driver_name);
+ return true;
+}
+
+static int fips140_store_init_function(struct crypto_alg *alg, void *func)
+{
+ void *ret;
+
+ /*
+ * The XArray API requires 4-byte aligned values. Although function
+ * pointers in general aren't guaranteed to be 4-byte aligned, it should
+ * be the case for the platforms this module is used on.
+ */
+ if (WARN_ON((unsigned long)func & 3))
+ return -EINVAL;
+
+ ret = xa_store(&fips140_init_func_map, (unsigned long)alg, func,
+ GFP_KERNEL);
+ return xa_err(ret);
+}
+
+/* Get the algorithm's original initialization function (possibly NULL) */
+static void *fips140_load_init_function(struct crypto_alg *alg)
+{
+ return xa_load(&fips140_init_func_map, (unsigned long)alg);
+}
+
+/* tfm initialization function overrides */
+
+static int fips140_alg_init_tfm(struct crypto_tfm *tfm)
+{
+ struct crypto_alg *alg = tfm->__crt_alg;
+ int (*cra_init)(struct crypto_tfm *tfm) =
+ fips140_load_init_function(alg);
+
+ if (fips140_wait_until_ready(alg))
+ WRITE_ONCE(alg->cra_init, cra_init);
+ return cra_init ? cra_init(tfm) : 0;
+}
+
+static int fips140_aead_init_tfm(struct crypto_aead *tfm)
+{
+ struct aead_alg *alg = crypto_aead_alg(tfm);
+ int (*init)(struct crypto_aead *tfm) =
+ fips140_load_init_function(&alg->base);
+
+ if (fips140_wait_until_ready(&alg->base))
+ WRITE_ONCE(alg->init, init);
+ return init ? init(tfm) : 0;
+}
+
+static int fips140_ahash_init_tfm(struct crypto_ahash *tfm)
+{
+ struct hash_alg_common *halg = crypto_hash_alg_common(tfm);
+ struct ahash_alg *alg = container_of(halg, struct ahash_alg, halg);
+ int (*init_tfm)(struct crypto_ahash *tfm) =
+ fips140_load_init_function(&halg->base);
+
+ if (fips140_wait_until_ready(&halg->base))
+ WRITE_ONCE(alg->init_tfm, init_tfm);
+ return init_tfm ? init_tfm(tfm) : 0;
+}
+
+static int fips140_shash_init_tfm(struct crypto_shash *tfm)
+{
+ struct shash_alg *alg = crypto_shash_alg(tfm);
+ int (*init_tfm)(struct crypto_shash *tfm) =
+ fips140_load_init_function(&alg->base);
+
+ if (fips140_wait_until_ready(&alg->base))
+ WRITE_ONCE(alg->init_tfm, init_tfm);
+ return init_tfm ? init_tfm(tfm) : 0;
+}
+
+static int fips140_skcipher_init_tfm(struct crypto_skcipher *tfm)
+{
+ struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
+ int (*init)(struct crypto_skcipher *tfm) =
+ fips140_load_init_function(&alg->base);
+
+ if (fips140_wait_until_ready(&alg->base))
+ WRITE_ONCE(alg->init, init);
+ return init ? init(tfm) : 0;
+}
+
+/* Single algorithm registration */
+
+#define prepare_alg(alg, base_alg, field, wrapper_func) \
+({ \
+ int err = 0; \
+ \
+ if (!fips140_ready() && alg->field != wrapper_func) { \
+ err = fips140_store_init_function(base_alg, alg->field);\
+ if (err == 0) \
+ alg->field = wrapper_func; \
+ } \
+ err; \
+})
+
+static int fips140_prepare_alg(struct crypto_alg *alg)
+{
+ /*
+ * Override cra_init. This is only for algorithm types like cipher and
+ * rng that don't have a strongly-typed initialization function.
+ */
+ return prepare_alg(alg, alg, cra_init, fips140_alg_init_tfm);
+}
+
+static int fips140_prepare_aead_alg(struct aead_alg *alg)
+{
+ return prepare_alg(alg, &alg->base, init, fips140_aead_init_tfm);
+}
+
+static int fips140_prepare_ahash_alg(struct ahash_alg *alg)
+{
+ return prepare_alg(alg, &alg->halg.base, init_tfm,
+ fips140_ahash_init_tfm);
+}
+
+static int fips140_prepare_rng_alg(struct rng_alg *alg)
+{
+ /*
+ * rng doesn't have a strongly-typed initialization function, so we must
+ * treat rng algorithms as "generic" algorithms.
+ */
+ return fips140_prepare_alg(&alg->base);
+}
+
+static int fips140_prepare_shash_alg(struct shash_alg *alg)
+{
+ return prepare_alg(alg, &alg->base, init_tfm, fips140_shash_init_tfm);
+}
+
+static int fips140_prepare_skcipher_alg(struct skcipher_alg *alg)
+{
+ return prepare_alg(alg, &alg->base, init, fips140_skcipher_init_tfm);
+}
+
+int fips140_crypto_register_alg(struct crypto_alg *alg)
+{
+ return fips140_prepare_alg(alg) ?: crypto_register_alg(alg);
+}
+
+int fips140_crypto_register_aead(struct aead_alg *alg)
+{
+ return fips140_prepare_aead_alg(alg) ?: crypto_register_aead(alg);
+}
+
+int fips140_crypto_register_ahash(struct ahash_alg *alg)
+{
+ return fips140_prepare_ahash_alg(alg) ?: crypto_register_ahash(alg);
+}
+
+int fips140_crypto_register_rng(struct rng_alg *alg)
+{
+ return fips140_prepare_rng_alg(alg) ?: crypto_register_rng(alg);
+}
+
+int fips140_crypto_register_shash(struct shash_alg *alg)
+{
+ return fips140_prepare_shash_alg(alg) ?: crypto_register_shash(alg);
+}
+
+int fips140_crypto_register_skcipher(struct skcipher_alg *alg)
+{
+ return fips140_prepare_skcipher_alg(alg) ?:
+ crypto_register_skcipher(alg);
+}
+
+/* Instance registration */
+
+int fips140_aead_register_instance(struct crypto_template *tmpl,
+ struct aead_instance *inst)
+{
+ return fips140_prepare_aead_alg(&inst->alg) ?:
+ aead_register_instance(tmpl, inst);
+}
+
+int fips140_ahash_register_instance(struct crypto_template *tmpl,
+ struct ahash_instance *inst)
+{
+ return fips140_prepare_ahash_alg(&inst->alg) ?:
+ ahash_register_instance(tmpl, inst);
+}
+
+int fips140_shash_register_instance(struct crypto_template *tmpl,
+ struct shash_instance *inst)
+{
+ return fips140_prepare_shash_alg(&inst->alg) ?:
+ shash_register_instance(tmpl, inst);
+}
+
+int fips140_skcipher_register_instance(struct crypto_template *tmpl,
+ struct skcipher_instance *inst)
+{
+ return fips140_prepare_skcipher_alg(&inst->alg) ?:
+ skcipher_register_instance(tmpl, inst);
+}
+
+/* Bulk algorithm registration */
+
+int fips140_crypto_register_algs(struct crypto_alg *algs, int count)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < count; i++) {
+ err = fips140_prepare_alg(&algs[i]);
+ if (err)
+ return err;
+ }
+
+ return crypto_register_algs(algs, count);
+}
+
+int fips140_crypto_register_aeads(struct aead_alg *algs, int count)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < count; i++) {
+ err = fips140_prepare_aead_alg(&algs[i]);
+ if (err)
+ return err;
+ }
+
+ return crypto_register_aeads(algs, count);
+}
+
+int fips140_crypto_register_ahashes(struct ahash_alg *algs, int count)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < count; i++) {
+ err = fips140_prepare_ahash_alg(&algs[i]);
+ if (err)
+ return err;
+ }
+
+ return crypto_register_ahashes(algs, count);
+}
+
+int fips140_crypto_register_rngs(struct rng_alg *algs, int count)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < count; i++) {
+ err = fips140_prepare_rng_alg(&algs[i]);
+ if (err)
+ return err;
+ }
+
+ return crypto_register_rngs(algs, count);
+}
+
+int fips140_crypto_register_shashes(struct shash_alg *algs, int count)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < count; i++) {
+ err = fips140_prepare_shash_alg(&algs[i]);
+ if (err)
+ return err;
+ }
+
+ return crypto_register_shashes(algs, count);
+}
+
+int fips140_crypto_register_skciphers(struct skcipher_alg *algs, int count)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < count; i++) {
+ err = fips140_prepare_skcipher_alg(&algs[i]);
+ if (err)
+ return err;
+ }
+
+ return crypto_register_skciphers(algs, count);
+}
diff --git a/crypto/fips140-defs.h b/crypto/fips140-defs.h
new file mode 100644
index 0000000..e64a2f7
--- /dev/null
+++ b/crypto/fips140-defs.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 Google LLC
+ *
+ * This file is automatically included by all files built into fips140.ko, via
+ * the "-include" compiler flag. It redirects all calls to algorithm
+ * registration functions to the wrapper functions defined within the module.
+ */
+
+#define aead_register_instance fips140_aead_register_instance
+#define ahash_register_instance fips140_ahash_register_instance
+#define crypto_register_aead fips140_crypto_register_aead
+#define crypto_register_aeads fips140_crypto_register_aeads
+#define crypto_register_ahash fips140_crypto_register_ahash
+#define crypto_register_ahashes fips140_crypto_register_ahashes
+#define crypto_register_alg fips140_crypto_register_alg
+#define crypto_register_algs fips140_crypto_register_algs
+#define crypto_register_rng fips140_crypto_register_rng
+#define crypto_register_rngs fips140_crypto_register_rngs
+#define crypto_register_shash fips140_crypto_register_shash
+#define crypto_register_shashes fips140_crypto_register_shashes
+#define crypto_register_skcipher fips140_crypto_register_skcipher
+#define crypto_register_skciphers fips140_crypto_register_skciphers
+#define shash_register_instance fips140_shash_register_instance
+#define skcipher_register_instance fips140_skcipher_register_instance
diff --git a/crypto/fips140-eval-testing-uapi.h b/crypto/fips140-eval-testing-uapi.h
new file mode 100644
index 0000000..04e6cf6
--- /dev/null
+++ b/crypto/fips140-eval-testing-uapi.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#ifndef _CRYPTO_FIPS140_EVAL_TESTING_H
+#define _CRYPTO_FIPS140_EVAL_TESTING_H
+
+#include <linux/ioctl.h>
+
+/*
+ * This header defines the ioctls that are available on the fips140 character
+ * device. These ioctls expose some of the module's services to userspace so
+ * that they can be tested by the FIPS certification lab; this is a required
+ * part of getting a FIPS 140 certification. These ioctls do not have any other
+ * purpose, and they do not need to be present in production builds.
+ */
+
+/*
+ * Call the fips140_is_approved_service() function. The argument must be the
+ * service name as a NUL-terminated string. The return value will be 1 if
+ * fips140_is_approved_service() returned true, or 0 if it returned false.
+ */
+#define FIPS140_IOCTL_IS_APPROVED_SERVICE _IO('F', 0)
+
+/*
+ * Call the fips140_module_version() function. The argument must be a pointer
+ * to a buffer of size >= 256 chars. The NUL-terminated string returned by
+ * fips140_module_version() will be written to this buffer.
+ */
+#define FIPS140_IOCTL_MODULE_VERSION _IOR('F', 1, char[256])
+
+#endif /* _CRYPTO_FIPS140_EVAL_TESTING_H */
diff --git a/crypto/fips140-eval-testing.c b/crypto/fips140-eval-testing.c
new file mode 100644
index 0000000..ea3cd65
--- /dev/null
+++ b/crypto/fips140-eval-testing.c
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ *
+ * This file can optionally be built into fips140.ko in order to support certain
+ * types of testing that the FIPS lab has to do to evaluate the module. It
+ * should not be included in production builds of the module.
+ */
+
+/*
+ * We have to redefine inline to mean always_inline, so that _copy_to_user()
+ * gets inlined. This is needed for it to be placed into the correct section.
+ * See fips140_copy_to_user().
+ *
+ * We also need to undefine BUILD_FIPS140_KO to allow the use of the code
+ * patching which copy_to_user() requires.
+ */
+#undef inline
+#define inline inline __attribute__((__always_inline__)) __gnu_inline \
+ __inline_maybe_unused notrace
+#undef BUILD_FIPS140_KO
+
+#include <linux/cdev.h>
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "fips140-module.h"
+#include "fips140-eval-testing-uapi.h"
+
+/*
+ * This option allows deliberately failing the self-tests for a particular
+ * algorithm.
+ */
+static char *fips140_fail_selftest;
+module_param_named(fail_selftest, fips140_fail_selftest, charp, 0);
+
+/* This option allows deliberately failing the integrity check. */
+static bool fips140_fail_integrity_check;
+module_param_named(fail_integrity_check, fips140_fail_integrity_check, bool, 0);
+
+static dev_t fips140_devnum;
+static struct cdev fips140_cdev;
+
+/* Inject a self-test failure (via corrupting the result) if requested. */
+void fips140_inject_selftest_failure(const char *impl, u8 *result)
+{
+ if (fips140_fail_selftest && strcmp(impl, fips140_fail_selftest) == 0)
+ result[0] ^= 0xff;
+}
+
+/* Inject an integrity check failure (via corrupting the text) if requested. */
+void fips140_inject_integrity_failure(u8 *textcopy)
+{
+ if (fips140_fail_integrity_check)
+ textcopy[0] ^= 0xff;
+}
+
+static long fips140_ioctl_is_approved_service(unsigned long arg)
+{
+ const char *service_name = strndup_user((const char __user *)arg, 256);
+ long ret;
+
+ if (IS_ERR(service_name))
+ return PTR_ERR(service_name);
+
+ ret = fips140_is_approved_service(service_name);
+
+ kfree(service_name);
+ return ret;
+}
+
+/*
+ * Code in fips140.ko is covered by an integrity check by default, and this
+ * check breaks if copy_to_user() is called. This is because copy_to_user() is
+ * an inline function that relies on code patching. However, since this is
+ * "evaluation testing" code which isn't included in the production builds of
+ * fips140.ko, it's acceptable to just exclude it from the integrity check.
+ */
+static noinline unsigned long __section("text.._fips140_unchecked")
+fips140_copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+ return copy_to_user(to, from, n);
+}
+
+static long fips140_ioctl_module_version(unsigned long arg)
+{
+ const char *version = fips140_module_version();
+ size_t len = strlen(version) + 1;
+
+ if (len > 256)
+ return -EOVERFLOW;
+
+ if (fips140_copy_to_user((void __user *)arg, version, len))
+ return -EFAULT;
+
+ return 0;
+}
+
+static long fips140_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ switch (cmd) {
+ case FIPS140_IOCTL_IS_APPROVED_SERVICE:
+ return fips140_ioctl_is_approved_service(arg);
+ case FIPS140_IOCTL_MODULE_VERSION:
+ return fips140_ioctl_module_version(arg);
+ default:
+ return -ENOTTY;
+ }
+}
+
+static const struct file_operations fips140_fops = {
+ .unlocked_ioctl = fips140_ioctl,
+};
+
+bool fips140_eval_testing_init(void)
+{
+ if (alloc_chrdev_region(&fips140_devnum, 1, 1, "fips140") != 0) {
+ pr_err("failed to allocate device number\n");
+ return false;
+ }
+ cdev_init(&fips140_cdev, &fips140_fops);
+ if (cdev_add(&fips140_cdev, fips140_devnum, 1) != 0) {
+ pr_err("failed to add fips140 character device\n");
+ return false;
+ }
+ return true;
+}
diff --git a/crypto/fips140-generated-testvecs.h b/crypto/fips140-generated-testvecs.h
new file mode 100644
index 0000000..d4ccd77
--- /dev/null
+++ b/crypto/fips140-generated-testvecs.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright 2021 Google LLC */
+
+/*
+ * This header was automatically generated by gen_fips140_testvecs.py.
+ * Don't edit it directly.
+ */
+
+static const u8 fips_message[32] __initconst =
+ "This is a 32-byte test message.";
+
+static const u8 fips_aes_key[16] __initconst = "128-bit AES key";
+
+static const u8 fips_aes_iv[16] __initconst = "ABCDEFGHIJKLMNOP";
+
+static const u8 fips_aes_cbc_ciphertext[32] __initconst =
+ "\x4c\x3e\xeb\x38\x8d\x1f\x28\xfd\xa2\x3b\xa9\xda\x36\xf2\x99\xe2"
+ "\x84\x84\x66\x37\x0a\x53\x68\x2f\x17\x95\x8d\x7f\xca\x5a\x68\x4e";
+
+static const u8 fips_aes_ecb_ciphertext[32] __initconst =
+ "\xc1\x9d\xe6\xb8\xb2\x90\xff\xfe\xf2\x77\x18\xb0\x55\xd3\xee\xa9"
+ "\xe2\x6f\x4a\x32\x67\xfd\xb7\xa5\x2f\x4b\x6e\x1a\x86\x2b\x6e\x3a";
+
+static const u8 fips_aes_ctr_ciphertext[32] __initconst =
+ "\xed\x06\x2c\xd0\xbc\x48\xd1\x2e\x6a\x4e\x13\xe9\xaa\x17\x40\xca"
+ "\x00\xb4\xaf\x3b\x4f\xee\x73\xd6\x6c\x41\xf6\x4c\x8b\x0d\x6a\x0f";
+
+static const u8 fips_aes_gcm_assoc[22] __initconst = "associated data string";
+
+static const u8 fips_aes_gcm_ciphertext[48] __initconst =
+ "\x37\x88\x3e\x1d\x58\x50\xda\x10\x07\xeb\x52\xdf\xea\x0a\x54\xd4"
+ "\x44\xbf\x88\x2a\xf3\x03\x03\x84\xaf\x8b\x96\xbd\xea\x65\x60\x6f"
+ "\x82\xfa\x51\xf4\x28\xad\x0c\xf1\xce\x0f\x91\xdd\x1a\x4c\x77\x5f";
+
+static const u8 fips_aes_xts_key[32] __initconst =
+ "This is an AES-128-XTS key.";
+
+static const u8 fips_aes_xts_ciphertext[32] __initconst =
+ "\x4f\xf7\x9f\x6c\x00\xa8\x30\xdf\xff\xf3\x25\x9c\xf6\x0b\x1b\xfd"
+ "\x3b\x34\x5e\x67\x7c\xf8\x8b\x68\x9a\xb9\x5a\x89\x51\x51\xbd\x35";
+
+static const u8 fips_aes_cmac_digest[16] __initconst =
+ "\x0c\x05\xda\x64\x51\x0c\x8e\x6c\x86\x52\x46\xa8\x2d\xb1\xfe\x0f";
+
+static const u8 fips_hmac_key[16] __initconst = "128-bit HMAC key";
+
+static const u8 fips_sha1_digest[20] __initconst =
+ "\x1b\x78\xc7\x4b\xd5\xd4\x83\xb1\x58\xc5\x96\x83\x4f\x16\x8d\x15"
+ "\xb4\xaa\x22\x8c";
+
+static const u8 fips_sha256_digest[32] __initconst =
+ "\x4e\x11\x83\x0c\x53\x80\x1e\x5f\x9b\x38\x33\x38\xe8\x74\x43\xb0"
+ "\xc1\x3a\xbe\xbf\x75\xf0\x12\x0f\x21\x33\xf5\x16\x33\xf1\xb0\x81";
+
+static const u8 fips_hmac_sha256_digest[32] __initconst =
+ "\x63\x0e\xb5\x73\x79\xfc\xaf\x5f\x86\xe3\xaf\xf0\xc8\x36\xef\xd5"
+ "\x35\x8d\x40\x25\x38\xb3\x65\x72\x98\xf3\x59\xd8\x1e\x54\x4c\xa1";
+
+static const u8 fips_sha512_digest[64] __initconst =
+ "\x32\xe0\x44\x23\xbd\xe3\xec\x28\xbf\xf1\x34\x11\xd5\xae\xbf\xd5"
+ "\xc0\x8e\xb5\xa1\x04\xef\x2f\x07\x84\xf1\xd9\x83\x0f\x6c\x31\xab"
+ "\xf7\xe7\x57\xfa\xf7\xae\xf0\x6f\xb2\x16\x08\x32\xcf\xc7\xef\x35"
+ "\xb3\x3b\x51\xb9\xfd\xe7\xff\x5e\xb2\x8b\xc6\x79\xe6\x14\x04\xb4";
+
+/*
+ * This header was automatically generated by gen_fips140_testvecs.py.
+ * Don't edit it directly.
+ */
diff --git a/crypto/fips140-module.c b/crypto/fips140-module.c
new file mode 100644
index 0000000..cd854fe
--- /dev/null
+++ b/crypto/fips140-module.c
@@ -0,0 +1,603 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ * Author: Ard Biesheuvel <ardb@google.com>
+ *
+ * This file is the core of fips140.ko, which contains various crypto algorithms
+ * that are also built into vmlinux. At load time, this module overrides the
+ * built-in implementations of these algorithms with its implementations. It
+ * also runs self-tests on these algorithms and verifies the integrity of its
+ * code and data. If either of these steps fails, the kernel will panic.
+ *
+ * This module is intended to be loaded at early boot time in order to meet
+ * FIPS 140 and NIAP FPT_TST_EXT.1 requirements. It shouldn't be used if you
+ * don't need to meet these requirements.
+ */
+
+#undef __DISABLE_EXPORTS
+
+#include <linux/ctype.h>
+#include <linux/module.h>
+#include <crypto/aead.h>
+#include <crypto/aes.h>
+#include <crypto/hash.h>
+#include <crypto/sha.h>
+#include <crypto/skcipher.h>
+#include <crypto/rng.h>
+#include <trace/hooks/fips140.h>
+
+#include "fips140-module.h"
+#include "internal.h"
+
+/*
+ * FIPS 140-2 prefers the use of HMAC with a public key over a plain hash.
+ */
+u8 __initdata fips140_integ_hmac_key[] = "The quick brown fox jumps over the lazy dog";
+
+/* this is populated by the build tool */
+u8 __initdata fips140_integ_hmac_digest[SHA256_DIGEST_SIZE];
+
+const u32 __initcall_start_marker __section(".initcalls._start");
+const u32 __initcall_end_marker __section(".initcalls._end");
+
+const u8 __fips140_text_start __section(".text.._start");
+const u8 __fips140_text_end __section(".text.._end");
+
+const u8 __fips140_rodata_start __section(".rodata.._start");
+const u8 __fips140_rodata_end __section(".rodata.._end");
+
+/*
+ * We need this little detour to prevent Clang from detecting out of bounds
+ * accesses to __fips140_text_start and __fips140_rodata_start, which only exist
+ * to delineate the section, and so their sizes are not relevant to us.
+ */
+const u32 *__initcall_start = &__initcall_start_marker;
+
+const u8 *__text_start = &__fips140_text_start;
+const u8 *__rodata_start = &__fips140_rodata_start;
+
+/*
+ * The list of the crypto API algorithms (by cra_name) that will be unregistered
+ * by this module, in preparation for the module registering its own
+ * implementation(s) of them.
+ *
+ * All algorithms that will be declared as FIPS-approved in the module
+ * certification must be listed here, to ensure that the non-FIPS-approved
+ * implementations of these algorithms in the kernel image aren't used.
+ *
+ * For every algorithm in this list, the module should contain all the "same"
+ * implementations that the kernel image does, including the C implementation as
+ * well as any architecture-specific implementations. This is needed to avoid
+ * performance regressions as well as the possibility of an algorithm being
+ * unavailable on some CPUs. E.g., "xcbc(aes)" isn't in this list, as the
+ * module doesn't have a C implementation of it (and it won't be FIPS-approved).
+ *
+ * Due to a quirk in the FIPS requirements, "gcm(aes)" isn't actually able to be
+ * FIPS-approved. However, we otherwise treat it the same as the algorithms
+ * that will be FIPS-approved, and therefore it's included in this list.
+ *
+ * When adding a new algorithm here, make sure to consider whether it needs a
+ * self-test added to fips140_selftests[] as well.
+ */
+static const struct {
+ const char *name;
+ bool approved;
+} fips140_algs_to_replace[] = {
+ {"aes", true},
+
+ {"cmac(aes)", true},
+ {"ecb(aes)", true},
+
+ {"cbc(aes)", true},
+ {"cts(cbc(aes))", true},
+ {"ctr(aes)", true},
+ {"xts(aes)", true},
+ {"gcm(aes)", false},
+
+ {"hmac(sha1)", true},
+ {"hmac(sha224)", true},
+ {"hmac(sha256)", true},
+ {"hmac(sha384)", true},
+ {"hmac(sha512)", true},
+ {"sha1", true},
+ {"sha224", true},
+ {"sha256", true},
+ {"sha384", true},
+ {"sha512", true},
+
+ {"stdrng", true},
+ {"jitterentropy_rng", false},
+};
+
+static bool __init fips140_should_unregister_alg(struct crypto_alg *alg)
+{
+ int i;
+
+ /*
+ * All software algorithms are synchronous, hardware algorithms must
+ * be covered by their own FIPS 140 certification.
+ */
+ if (alg->cra_flags & CRYPTO_ALG_ASYNC)
+ return false;
+
+ for (i = 0; i < ARRAY_SIZE(fips140_algs_to_replace); i++) {
+ if (!strcmp(alg->cra_name, fips140_algs_to_replace[i].name))
+ return true;
+ }
+ return false;
+}
+
+/*
+ * FIPS 140-3 service indicators. FIPS 140-3 requires that all services
+ * "provide an indicator when the service utilises an approved cryptographic
+ * algorithm, security function or process in an approved manner". What this
+ * means is very debatable, even with the help of the FIPS 140-3 Implementation
+ * Guidance document. However, it was decided that a function that takes in an
+ * algorithm name and returns whether that algorithm is approved or not will
+ * meet this requirement. Note, this relies on some properties of the module:
+ *
+ * - The module doesn't distinguish between "services" and "algorithms"; its
+ * services are simply its algorithms.
+ *
+ * - The status of an approved algorithm is never non-approved, since (a) the
+ * module doesn't support operating in a non-approved mode, such as a mode
+ * where the self-tests are skipped; (b) there are no cases where the module
+ * supports non-approved settings for approved algorithms, e.g.
+ * non-approved key sizes; and (c) this function isn't available to be
+ * called until the module_init function has completed, so it's guaranteed
+ * that the self-tests and integrity check have already passed.
+ *
+ * - The module does support some non-approved algorithms, so a single static
+ * indicator ("return true;") would not be acceptable.
+ */
+bool fips140_is_approved_service(const char *name)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(fips140_algs_to_replace); i++) {
+ if (!strcmp(name, fips140_algs_to_replace[i].name))
+ return fips140_algs_to_replace[i].approved;
+ }
+ return false;
+}
+EXPORT_SYMBOL_GPL(fips140_is_approved_service);
+
+/*
+ * FIPS 140-3 requires that modules provide a "service" that outputs "the name
+ * or module identifier and the versioning information that can be correlated
+ * with a validation record". This function meets that requirement.
+ *
+ * Note: the module also prints this same information to the kernel log when it
+ * is loaded. That might meet the requirement by itself. However, given the
+ * vagueness of what counts as a "service", we provide this function too, just
+ * in case the certification lab or CMVP is happier with an explicit function.
+ *
+ * Note: /sys/modules/fips140/scmversion also provides versioning information
+ * about the module. However that file just shows the bare git commit ID, so it
+ * probably isn't sufficient to meet the FIPS requirement, which seems to want
+ * the "official" module name and version number used in the FIPS certificate.
+ */
+const char *fips140_module_version(void)
+{
+ return FIPS140_MODULE_NAME " " FIPS140_MODULE_VERSION;
+}
+EXPORT_SYMBOL_GPL(fips140_module_version);
+
+static LIST_HEAD(existing_live_algos);
+
+/*
+ * Release a list of algorithms which have been removed from crypto_alg_list.
+ *
+ * Note that even though the list is a private list, we have to hold
+ * crypto_alg_sem while iterating through it because crypto_unregister_alg() may
+ * run concurrently (as we haven't taken a reference to the algorithms on the
+ * list), and crypto_unregister_alg() will remove the algorithm from whichever
+ * list it happens to be on, while holding crypto_alg_sem. That's okay, since
+ * in that case crypto_unregister_alg() will handle the crypto_alg_put().
+ */
+static void fips140_remove_final(struct list_head *list)
+{
+ struct crypto_alg *alg;
+ struct crypto_alg *n;
+
+ /*
+ * We need to take crypto_alg_sem to safely traverse the list (see
+ * comment above), but we have to drop it when doing each
+ * crypto_alg_put() as that may take crypto_alg_sem again.
+ */
+ down_write(&crypto_alg_sem);
+ list_for_each_entry_safe(alg, n, list, cra_list) {
+ list_del_init(&alg->cra_list);
+ up_write(&crypto_alg_sem);
+
+ crypto_alg_put(alg);
+
+ down_write(&crypto_alg_sem);
+ }
+ up_write(&crypto_alg_sem);
+}
+
+static void __init unregister_existing_fips140_algos(void)
+{
+ struct crypto_alg *alg, *tmp;
+ LIST_HEAD(remove_list);
+ LIST_HEAD(spawns);
+
+ down_write(&crypto_alg_sem);
+
+ /*
+ * Find all registered algorithms that we care about, and move them to a
+ * private list so that they are no longer exposed via the algo lookup
+ * API. Subsequently, we will unregister them if they are not in active
+ * use. If they are, we can't fully unregister them but we can ensure
+ * that new users won't use them.
+ */
+ list_for_each_entry_safe(alg, tmp, &crypto_alg_list, cra_list) {
+ if (!fips140_should_unregister_alg(alg))
+ continue;
+ if (refcount_read(&alg->cra_refcnt) == 1) {
+ /*
+ * This algorithm is not currently in use, but there may
+ * be template instances holding references to it via
+ * spawns. So let's tear it down like
+ * crypto_unregister_alg() would, but without releasing
+ * the lock, to prevent races with concurrent TFM
+ * allocations.
+ */
+ alg->cra_flags |= CRYPTO_ALG_DEAD;
+ list_move(&alg->cra_list, &remove_list);
+ crypto_remove_spawns(alg, &spawns, NULL);
+ } else {
+ /*
+ * This algorithm is live, i.e. it has TFMs allocated,
+ * so we can't fully unregister it. It's not necessary
+ * to dynamically redirect existing users to the FIPS
+ * code, given that they can't be relying on FIPS
+ * certified crypto in the first place. However, we do
+ * need to ensure that new users will get the FIPS code.
+ *
+ * In most cases, setting alg->cra_priority to 0
+ * achieves this. However, that isn't enough for
+ * algorithms like "hmac(sha256)" that need to be
+ * instantiated from a template, since existing
+ * algorithms always take priority over a template being
+ * instantiated. Therefore, we move the algorithm to
+ * a private list so that algorithm lookups won't find
+ * it anymore. To further distinguish it from the FIPS
+ * algorithms, we also append "+orig" to its name.
+ */
+ pr_info("found already-live algorithm '%s' ('%s')\n",
+ alg->cra_name, alg->cra_driver_name);
+ alg->cra_priority = 0;
+ strlcat(alg->cra_name, "+orig", CRYPTO_MAX_ALG_NAME);
+ strlcat(alg->cra_driver_name, "+orig",
+ CRYPTO_MAX_ALG_NAME);
+ list_move(&alg->cra_list, &existing_live_algos);
+ }
+ }
+ up_write(&crypto_alg_sem);
+
+ fips140_remove_final(&remove_list);
+ fips140_remove_final(&spawns);
+}
+
+static void __init unapply_text_relocations(void *section, int section_size,
+ const Elf64_Rela *rela, int numrels)
+{
+ while (numrels--) {
+ u32 *place = (u32 *)(section + rela->r_offset);
+
+ BUG_ON(rela->r_offset >= section_size);
+
+ switch (ELF64_R_TYPE(rela->r_info)) {
+#ifdef CONFIG_ARM64
+ case R_AARCH64_JUMP26:
+ case R_AARCH64_CALL26:
+ *place &= ~GENMASK(25, 0);
+ break;
+
+ case R_AARCH64_ADR_PREL_LO21:
+ case R_AARCH64_ADR_PREL_PG_HI21:
+ case R_AARCH64_ADR_PREL_PG_HI21_NC:
+ *place &= ~(GENMASK(30, 29) | GENMASK(23, 5));
+ break;
+
+ case R_AARCH64_ADD_ABS_LO12_NC:
+ case R_AARCH64_LDST8_ABS_LO12_NC:
+ case R_AARCH64_LDST16_ABS_LO12_NC:
+ case R_AARCH64_LDST32_ABS_LO12_NC:
+ case R_AARCH64_LDST64_ABS_LO12_NC:
+ case R_AARCH64_LDST128_ABS_LO12_NC:
+ *place &= ~GENMASK(21, 10);
+ break;
+ default:
+ pr_err("unhandled relocation type %llu\n",
+ ELF64_R_TYPE(rela->r_info));
+ BUG();
+#else
+#error
+#endif
+ }
+ rela++;
+ }
+}
+
+static void __init unapply_rodata_relocations(void *section, int section_size,
+ const Elf64_Rela *rela, int numrels)
+{
+ while (numrels--) {
+ void *place = section + rela->r_offset;
+
+ BUG_ON(rela->r_offset >= section_size);
+
+ switch (ELF64_R_TYPE(rela->r_info)) {
+#ifdef CONFIG_ARM64
+ case R_AARCH64_ABS64:
+ *(u64 *)place = 0;
+ break;
+ default:
+ pr_err("unhandled relocation type %llu\n",
+ ELF64_R_TYPE(rela->r_info));
+ BUG();
+#else
+#error
+#endif
+ }
+ rela++;
+ }
+}
+
+extern struct {
+ u32 offset;
+ u32 count;
+} fips140_rela_text, fips140_rela_rodata;
+
+static bool __init check_fips140_module_hmac(void)
+{
+ struct crypto_shash *tfm = NULL;
+ SHASH_DESC_ON_STACK(desc, dontcare);
+ u8 digest[SHA256_DIGEST_SIZE];
+ void *textcopy, *rodatacopy;
+ int textsize, rodatasize;
+ bool ok = false;
+ int err;
+
+ textsize = &__fips140_text_end - &__fips140_text_start;
+ rodatasize = &__fips140_rodata_end - &__fips140_rodata_start;
+
+ pr_info("text size : 0x%x\n", textsize);
+ pr_info("rodata size: 0x%x\n", rodatasize);
+
+ textcopy = kmalloc(textsize + rodatasize, GFP_KERNEL);
+ if (!textcopy) {
+ pr_err("Failed to allocate memory for copy of .text\n");
+ goto out;
+ }
+
+ rodatacopy = textcopy + textsize;
+
+ memcpy(textcopy, __text_start, textsize);
+ memcpy(rodatacopy, __rodata_start, rodatasize);
+
+ // apply the relocations in reverse on the copies of .text and .rodata
+ unapply_text_relocations(textcopy, textsize,
+ offset_to_ptr(&fips140_rela_text.offset),
+ fips140_rela_text.count);
+
+ unapply_rodata_relocations(rodatacopy, rodatasize,
+ offset_to_ptr(&fips140_rela_rodata.offset),
+ fips140_rela_rodata.count);
+
+ fips140_inject_integrity_failure(textcopy);
+
+ tfm = crypto_alloc_shash("hmac(sha256)", 0, 0);
+ if (IS_ERR(tfm)) {
+ pr_err("failed to allocate hmac tfm (%ld)\n", PTR_ERR(tfm));
+ tfm = NULL;
+ goto out;
+ }
+ desc->tfm = tfm;
+
+ pr_info("using '%s' for integrity check\n",
+ crypto_shash_driver_name(tfm));
+
+ err = crypto_shash_setkey(tfm, fips140_integ_hmac_key,
+ strlen(fips140_integ_hmac_key)) ?:
+ crypto_shash_init(desc) ?:
+ crypto_shash_update(desc, textcopy, textsize) ?:
+ crypto_shash_finup(desc, rodatacopy, rodatasize, digest);
+
+ /* Zeroizing this is important; see the comment below. */
+ shash_desc_zero(desc);
+
+ if (err) {
+ pr_err("failed to calculate hmac shash (%d)\n", err);
+ goto out;
+ }
+
+ if (memcmp(digest, fips140_integ_hmac_digest, sizeof(digest))) {
+ pr_err("provided_digest : %*phN\n", (int)sizeof(digest),
+ fips140_integ_hmac_digest);
+
+ pr_err("calculated digest: %*phN\n", (int)sizeof(digest),
+ digest);
+ goto out;
+ }
+ ok = true;
+out:
+ /*
+ * FIPS 140-3 requires that all "temporary value(s) generated during the
+ * integrity test" be zeroized (ref: FIPS 140-3 IG 9.7.B). There is no
+ * technical reason to do this given that these values are public
+ * information, but this is the requirement so we follow it.
+ */
+ crypto_free_shash(tfm);
+ memzero_explicit(digest, sizeof(digest));
+ kfree_sensitive(textcopy);
+ return ok;
+}
+
+static void fips140_sha256(void *p, const u8 *data, unsigned int len, u8 *out,
+ int *hook_inuse)
+{
+ sha256(data, len, out);
+ *hook_inuse = 1;
+}
+
+static void fips140_aes_expandkey(void *p, struct crypto_aes_ctx *ctx,
+ const u8 *in_key, unsigned int key_len,
+ int *err)
+{
+ *err = aes_expandkey(ctx, in_key, key_len);
+}
+
+static void fips140_aes_encrypt(void *priv, const struct crypto_aes_ctx *ctx,
+ u8 *out, const u8 *in, int *hook_inuse)
+{
+ aes_encrypt(ctx, out, in);
+ *hook_inuse = 1;
+}
+
+static void fips140_aes_decrypt(void *priv, const struct crypto_aes_ctx *ctx,
+ u8 *out, const u8 *in, int *hook_inuse)
+{
+ aes_decrypt(ctx, out, in);
+ *hook_inuse = 1;
+}
+
+static bool update_fips140_library_routines(void)
+{
+ int ret;
+
+ ret = register_trace_android_vh_sha256(fips140_sha256, NULL) ?:
+ register_trace_android_vh_aes_expandkey(fips140_aes_expandkey, NULL) ?:
+ register_trace_android_vh_aes_encrypt(fips140_aes_encrypt, NULL) ?:
+ register_trace_android_vh_aes_decrypt(fips140_aes_decrypt, NULL);
+
+ return ret == 0;
+}
+
+/*
+ * Initialize the FIPS 140 module.
+ *
+ * Note: this routine iterates over the contents of the initcall section, which
+ * consists of an array of function pointers that was emitted by the linker
+ * rather than the compiler. This means that these function pointers lack the
+ * usual CFI stubs that the compiler emits when CFI codegen is enabled. So
+ * let's disable CFI locally when handling the initcall array, to avoid
+ * surpises.
+ */
+static int __init __attribute__((__no_sanitize__("cfi")))
+fips140_init(void)
+{
+ const u32 *initcall;
+
+ pr_info("loading " FIPS140_MODULE_NAME " " FIPS140_MODULE_VERSION "\n");
+ fips140_init_thread = current;
+
+ unregister_existing_fips140_algos();
+
+ /* iterate over all init routines present in this module and call them */
+ for (initcall = __initcall_start + 1;
+ initcall < &__initcall_end_marker;
+ initcall++) {
+ int (*init)(void) = offset_to_ptr(initcall);
+ int err = init();
+
+ /*
+ * ENODEV is expected from initcalls that only register
+ * algorithms that depend on non-present CPU features. Besides
+ * that, errors aren't expected here.
+ */
+ if (err && err != -ENODEV) {
+ pr_err("initcall %ps() failed: %d\n", init, err);
+ goto panic;
+ }
+ }
+
+ if (!fips140_run_selftests())
+ goto panic;
+
+ /*
+ * It may seem backward to perform the integrity check last, but this
+ * is intentional: the check itself uses hmac(sha256) which is one of
+ * the algorithms that are replaced with versions from this module, and
+ * the integrity check must use the replacement version. Also, to be
+ * ready for FIPS 140-3, the integrity check algorithm must have already
+ * been self-tested.
+ */
+
+ if (!check_fips140_module_hmac()) {
+ pr_crit("integrity check failed -- giving up!\n");
+ goto panic;
+ }
+ pr_info("integrity check passed\n");
+
+ complete_all(&fips140_tests_done);
+
+ if (!update_fips140_library_routines())
+ goto panic;
+
+ if (!fips140_eval_testing_init())
+ goto panic;
+
+ pr_info("module successfully loaded\n");
+ return 0;
+
+panic:
+ panic("FIPS 140 module load failure");
+}
+
+module_init(fips140_init);
+
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
+MODULE_LICENSE("GPL v2");
+
+/*
+ * Crypto-related helper functions, reproduced here so that they will be
+ * covered by the FIPS 140 integrity check.
+ *
+ * Non-cryptographic helper functions such as memcpy() can be excluded from the
+ * FIPS module, but there is ambiguity about other helper functions like
+ * __crypto_xor() and crypto_inc() which aren't cryptographic by themselves,
+ * but are more closely associated with cryptography than e.g. memcpy(). To
+ * err on the side of caution, we include copies of these in the FIPS module.
+ */
+void __crypto_xor(u8 *dst, const u8 *src1, const u8 *src2, unsigned int len)
+{
+ while (len >= 8) {
+ *(u64 *)dst = *(u64 *)src1 ^ *(u64 *)src2;
+ dst += 8;
+ src1 += 8;
+ src2 += 8;
+ len -= 8;
+ }
+
+ while (len >= 4) {
+ *(u32 *)dst = *(u32 *)src1 ^ *(u32 *)src2;
+ dst += 4;
+ src1 += 4;
+ src2 += 4;
+ len -= 4;
+ }
+
+ while (len >= 2) {
+ *(u16 *)dst = *(u16 *)src1 ^ *(u16 *)src2;
+ dst += 2;
+ src1 += 2;
+ src2 += 2;
+ len -= 2;
+ }
+
+ while (len--)
+ *dst++ = *src1++ ^ *src2++;
+}
+
+void crypto_inc(u8 *a, unsigned int size)
+{
+ a += size;
+
+ while (size--)
+ if (++*--a)
+ break;
+}
diff --git a/crypto/fips140-module.h b/crypto/fips140-module.h
new file mode 100644
index 0000000..a2a6319
--- /dev/null
+++ b/crypto/fips140-module.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 Google LLC
+ */
+
+#ifndef _CRYPTO_FIPS140_MODULE_H
+#define _CRYPTO_FIPS140_MODULE_H
+
+#include <linux/completion.h>
+#include <linux/module.h>
+#include <generated/utsrelease.h>
+
+#undef pr_fmt
+#define pr_fmt(fmt) "fips140: " fmt
+
+/*
+ * This is the name and version number of the module that are shown on the FIPS
+ * certificate.
+ */
+#define FIPS140_MODULE_NAME "Android Kernel Cryptographic Module"
+#define FIPS140_MODULE_VERSION UTS_RELEASE
+
+/* fips140-eval-testing.c */
+#ifdef CONFIG_CRYPTO_FIPS140_MOD_EVAL_TESTING
+void fips140_inject_selftest_failure(const char *impl, u8 *result);
+void fips140_inject_integrity_failure(u8 *textcopy);
+bool fips140_eval_testing_init(void);
+#else
+static inline void fips140_inject_selftest_failure(const char *impl, u8 *result)
+{
+}
+static inline void fips140_inject_integrity_failure(u8 *textcopy)
+{
+}
+static inline bool fips140_eval_testing_init(void)
+{
+ return true;
+}
+#endif /* !CONFIG_CRYPTO_FIPS140_MOD_EVAL_TESTING */
+
+/* fips140-module.c */
+extern struct completion fips140_tests_done;
+extern struct task_struct *fips140_init_thread;
+bool fips140_is_approved_service(const char *name);
+const char *fips140_module_version(void);
+
+/* fips140-selftests.c */
+bool __init __must_check fips140_run_selftests(void);
+
+#endif /* _CRYPTO_FIPS140_MODULE_H */
diff --git a/crypto/fips140-refs.S b/crypto/fips140-refs.S
new file mode 100644
index 0000000..fcbd527
--- /dev/null
+++ b/crypto/fips140-refs.S
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 Google LLC
+ * Author: Ard Biesheuvel <ardb@google.com>
+ *
+ * This file contains the variable definitions that will be used by the FIPS140
+ * s/w module to access the RELA sections in the ELF image. These are used to
+ * apply the relocations applied by the module loader in reverse, so that we
+ * can reconstruct the image that was used to derive the HMAC used by the
+ * integrity check.
+ *
+ * The first .long of each entry will be populated by the module loader based
+ * on the actual placement of the respective RELA section in memory. The second
+ * .long carries the RELA entry count, and is populated by the host tool that
+ * also generates the HMAC of the contents of .text and .rodata.
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+ .section ".init.rodata", "a"
+
+ .align 2
+ .globl fips140_rela_text
+fips140_rela_text:
+ .weak __sec_rela_text
+ .long __sec_rela_text - .
+ .long 0
+
+ .globl fips140_rela_rodata
+fips140_rela_rodata:
+ .weak __sec_rela_rodata
+ .long __sec_rela_rodata - .
+ .long 0
diff --git a/crypto/fips140-selftests.c b/crypto/fips140-selftests.c
new file mode 100644
index 0000000..56c503c
--- /dev/null
+++ b/crypto/fips140-selftests.c
@@ -0,0 +1,998 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Authors: Elena Petrova <lenaptr@google.com>,
+ * Eric Biggers <ebiggers@google.com>
+ *
+ * Self-tests of fips140.ko cryptographic functionality. These are run at
+ * module load time to fulfill FIPS 140 and NIAP FPT_TST_EXT.1 requirements.
+ *
+ * The actual requirements for these self-tests are somewhat vague, but
+ * section 9 ("Self-Tests") of the FIPS 140-2 Implementation Guidance document
+ * (https://csrc.nist.gov/csrc/media/projects/cryptographic-module-validation-program/documents/fips140-2/fips1402ig.pdf)
+ * is somewhat helpful. Basically, all implementations of all FIPS approved
+ * algorithms (including modes of operation) must be tested. However:
+ *
+ * - There are provisions for skipping tests that are already sufficiently
+ * covered by other tests. E.g., HMAC-SHA256 may cover SHA-256.
+ *
+ * - Only one test vector is required per algorithm, and it can be generated
+ * by any known-good implementation or taken from any official document.
+ *
+ * - For ciphers, both encryption and decryption must be tested.
+ *
+ * - Only one key size per algorithm needs to be tested.
+ *
+ * There is some ambiguity about whether all implementations of each algorithm
+ * must be tested, or whether it is sufficient to test just the highest priority
+ * implementation. To be safe we test all implementations, except ones that can
+ * be excluded by one of the rules above.
+ *
+ * See fips140_selftests[] for the list of tests we've selected. Currently, all
+ * our test vectors except the AES-CBC-CTS and DRBG ones were generated by the
+ * script tools/crypto/gen_fips140_testvecs.py, using the known-good
+ * implementations in the Python packages hashlib, pycryptodome, and
+ * cryptography.
+ *
+ * Note that we don't reuse the upstream crypto API's self-tests
+ * (crypto/testmgr.{c,h}), for several reasons:
+ *
+ * - To meet FIPS requirements, the self-tests must be located within the FIPS
+ * module boundary (fips140.ko). But testmgr is integrated into the crypto
+ * API framework and can't be extracted into the module.
+ *
+ * - testmgr is much more heavyweight than required for FIPS and NIAP; it
+ * tests more algorithms and does more tests per algorithm, as it's meant to
+ * do proper testing and not just meet certification requirements. We need
+ * tests that can run with minimal overhead on every boot-up.
+ *
+ * - Despite being more heavyweight in general, testmgr doesn't test the
+ * SHA-256 and AES library APIs, despite that being needed here.
+ */
+#include <crypto/aead.h>
+#include <crypto/aes.h>
+#include <crypto/drbg.h>
+#include <crypto/hash.h>
+#include <crypto/rng.h>
+#include <crypto/sha.h>
+#include <crypto/skcipher.h>
+
+#include "fips140-module.h"
+
+/* Test vector for an AEAD algorithm */
+struct aead_testvec {
+ const u8 *key;
+ size_t key_size;
+ const u8 *iv;
+ size_t iv_size;
+ const u8 *assoc;
+ size_t assoc_size;
+ const u8 *plaintext;
+ size_t plaintext_size;
+ const u8 *ciphertext;
+ size_t ciphertext_size;
+};
+
+/* Test vector for a length-preserving encryption algorithm */
+struct skcipher_testvec {
+ const u8 *key;
+ size_t key_size;
+ const u8 *iv;
+ size_t iv_size;
+ const u8 *plaintext;
+ const u8 *ciphertext;
+ size_t message_size;
+};
+
+/* Test vector for a hash algorithm */
+struct hash_testvec {
+ const u8 *key;
+ size_t key_size;
+ const u8 *message;
+ size_t message_size;
+ const u8 *digest;
+ size_t digest_size;
+};
+
+/* Test vector for a DRBG algorithm */
+struct drbg_testvec {
+ const u8 *entropy;
+ size_t entropy_size;
+ const u8 *pers;
+ size_t pers_size;
+ const u8 *entpr_a;
+ const u8 *entpr_b;
+ size_t entpr_size;
+ const u8 *add_a;
+ const u8 *add_b;
+ size_t add_size;
+ const u8 *output;
+ size_t out_size;
+};
+
+struct fips_test {
+ /* The name of the algorithm, in crypto API syntax */
+ const char *alg;
+
+ /*
+ * The optional list of implementations to test. @func will be called
+ * once per implementation, or once with @alg if this list is empty.
+ * The implementation names must be given in crypto API syntax, or in
+ * the case of a library implementation should have "-lib" appended.
+ */
+ const char *impls[8];
+
+ /*
+ * The test function. It should execute a known-answer test on an
+ * algorithm implementation, using the below test vector.
+ */
+ int __must_check (*func)(const struct fips_test *test,
+ const char *impl);
+
+ /* The test vector, with a format specific to the type of algorithm */
+ union {
+ struct aead_testvec aead;
+ struct skcipher_testvec skcipher;
+ struct hash_testvec hash;
+ struct drbg_testvec drbg;
+ };
+};
+
+/* Maximum IV size (in bytes) among any algorithm tested here */
+#define MAX_IV_SIZE 16
+
+static int __init __must_check
+fips_check_result(u8 *result, const u8 *expected_result, size_t result_size,
+ const char *impl, const char *operation)
+{
+ fips140_inject_selftest_failure(impl, result);
+ if (memcmp(result, expected_result, result_size) != 0) {
+ pr_err("wrong result from %s %s\n", impl, operation);
+ return -EBADMSG;
+ }
+ return 0;
+}
+
+/*
+ * None of the algorithms should be ASYNC, as the FIPS module doesn't register
+ * any ASYNC algorithms. (The ASYNC flag is only declared by hardware
+ * algorithms, which would need their own FIPS certification.)
+ *
+ * Ideally we would verify alg->cra_module == THIS_MODULE here as well, but that
+ * doesn't work because the files are compiled as built-in code.
+ */
+static int __init __must_check
+fips_validate_alg(const struct crypto_alg *alg)
+{
+ if (alg->cra_flags & CRYPTO_ALG_ASYNC) {
+ pr_err("unexpectedly got async implementation of %s (%s)\n",
+ alg->cra_name, alg->cra_driver_name);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int __init __must_check
+fips_handle_alloc_tfm_error(const char *impl, int err)
+{
+ if (err == -ENOENT) {
+ /*
+ * The requested implementation of the algorithm wasn't found.
+ * This is expected if the CPU lacks a feature the
+ * implementation needs, such as the ARMv8 Crypto Extensions.
+ *
+ * When this happens, the implementation isn't available for
+ * use, so we can't test it, nor do we need to. So we just skip
+ * the test.
+ */
+ pr_info("%s is unavailable (no CPU support?), skipping testing it\n",
+ impl);
+ return 0;
+ }
+ pr_err("failed to allocate %s tfm: %d\n", impl, err);
+ return err;
+}
+
+static int __init __must_check
+fips_test_aes_library(const struct fips_test *test, const char *impl)
+{
+ const struct skcipher_testvec *vec = &test->skcipher;
+ struct crypto_aes_ctx ctx;
+ u8 block[AES_BLOCK_SIZE];
+ int err;
+
+ if (WARN_ON(vec->message_size != AES_BLOCK_SIZE))
+ return -EINVAL;
+
+ err = aes_expandkey(&ctx, vec->key, vec->key_size);
+ if (err) {
+ pr_err("aes_expandkey() failed: %d\n", err);
+ return err;
+ }
+ aes_encrypt(&ctx, block, vec->plaintext);
+ err = fips_check_result(block, vec->ciphertext, AES_BLOCK_SIZE,
+ impl, "encryption");
+ if (err)
+ return err;
+ aes_decrypt(&ctx, block, block);
+ return fips_check_result(block, vec->plaintext, AES_BLOCK_SIZE,
+ impl, "decryption");
+}
+
+/* Test a length-preserving symmetric cipher using the crypto_skcipher API. */
+static int __init __must_check
+fips_test_skcipher(const struct fips_test *test, const char *impl)
+{
+ const struct skcipher_testvec *vec = &test->skcipher;
+ struct crypto_skcipher *tfm;
+ struct skcipher_request *req = NULL;
+ u8 *message = NULL;
+ struct scatterlist sg;
+ u8 iv[MAX_IV_SIZE];
+ int err;
+
+ if (WARN_ON(vec->iv_size > MAX_IV_SIZE))
+ return -EINVAL;
+ if (WARN_ON(vec->message_size <= 0))
+ return -EINVAL;
+
+ tfm = crypto_alloc_skcipher(impl, 0, 0);
+ if (IS_ERR(tfm))
+ return fips_handle_alloc_tfm_error(impl, PTR_ERR(tfm));
+ err = fips_validate_alg(&crypto_skcipher_alg(tfm)->base);
+ if (err)
+ goto out;
+ if (crypto_skcipher_ivsize(tfm) != vec->iv_size) {
+ pr_err("%s has wrong IV size\n", impl);
+ err = -EINVAL;
+ goto out;
+ }
+
+ req = skcipher_request_alloc(tfm, GFP_KERNEL);
+ message = kmemdup(vec->plaintext, vec->message_size, GFP_KERNEL);
+ if (!req || !message) {
+ err = -ENOMEM;
+ goto out;
+ }
+ sg_init_one(&sg, message, vec->message_size);
+
+ skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP,
+ NULL, NULL);
+ skcipher_request_set_crypt(req, &sg, &sg, vec->message_size, iv);
+
+ err = crypto_skcipher_setkey(tfm, vec->key, vec->key_size);
+ if (err) {
+ pr_err("failed to set %s key: %d\n", impl, err);
+ goto out;
+ }
+
+ /* Encrypt the plaintext, then verify the resulting ciphertext. */
+ memcpy(iv, vec->iv, vec->iv_size);
+ err = crypto_skcipher_encrypt(req);
+ if (err) {
+ pr_err("%s encryption failed: %d\n", impl, err);
+ goto out;
+ }
+ err = fips_check_result(message, vec->ciphertext, vec->message_size,
+ impl, "encryption");
+ if (err)
+ goto out;
+
+ /* Decrypt the ciphertext, then verify the resulting plaintext. */
+ memcpy(iv, vec->iv, vec->iv_size);
+ err = crypto_skcipher_decrypt(req);
+ if (err) {
+ pr_err("%s decryption failed: %d\n", impl, err);
+ goto out;
+ }
+ err = fips_check_result(message, vec->plaintext, vec->message_size,
+ impl, "decryption");
+out:
+ kfree(message);
+ skcipher_request_free(req);
+ crypto_free_skcipher(tfm);
+ return err;
+}
+
+/* Test an AEAD using the crypto_aead API. */
+static int __init __must_check
+fips_test_aead(const struct fips_test *test, const char *impl)
+{
+ const struct aead_testvec *vec = &test->aead;
+ const int tag_size = vec->ciphertext_size - vec->plaintext_size;
+ struct crypto_aead *tfm;
+ struct aead_request *req = NULL;
+ u8 *assoc = NULL;
+ u8 *message = NULL;
+ struct scatterlist sg[2];
+ int sg_idx = 0;
+ u8 iv[MAX_IV_SIZE];
+ int err;
+
+ if (WARN_ON(vec->iv_size > MAX_IV_SIZE))
+ return -EINVAL;
+ if (WARN_ON(vec->ciphertext_size <= vec->plaintext_size))
+ return -EINVAL;
+
+ tfm = crypto_alloc_aead(impl, 0, 0);
+ if (IS_ERR(tfm))
+ return fips_handle_alloc_tfm_error(impl, PTR_ERR(tfm));
+ err = fips_validate_alg(&crypto_aead_alg(tfm)->base);
+ if (err)
+ goto out;
+ if (crypto_aead_ivsize(tfm) != vec->iv_size) {
+ pr_err("%s has wrong IV size\n", impl);
+ err = -EINVAL;
+ goto out;
+ }
+
+ req = aead_request_alloc(tfm, GFP_KERNEL);
+ assoc = kmemdup(vec->assoc, vec->assoc_size, GFP_KERNEL);
+ message = kzalloc(vec->ciphertext_size, GFP_KERNEL);
+ if (!req || !assoc || !message) {
+ err = -ENOMEM;
+ goto out;
+ }
+ memcpy(message, vec->plaintext, vec->plaintext_size);
+
+ sg_init_table(sg, ARRAY_SIZE(sg));
+ if (vec->assoc_size)
+ sg_set_buf(&sg[sg_idx++], assoc, vec->assoc_size);
+ sg_set_buf(&sg[sg_idx++], message, vec->ciphertext_size);
+
+ aead_request_set_ad(req, vec->assoc_size);
+ aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
+
+ err = crypto_aead_setkey(tfm, vec->key, vec->key_size);
+ if (err) {
+ pr_err("failed to set %s key: %d\n", impl, err);
+ goto out;
+ }
+
+ err = crypto_aead_setauthsize(tfm, tag_size);
+ if (err) {
+ pr_err("failed to set %s authentication tag size: %d\n",
+ impl, err);
+ goto out;
+ }
+
+ /*
+ * Encrypt the plaintext, then verify the resulting ciphertext (which
+ * includes the authentication tag).
+ */
+ memcpy(iv, vec->iv, vec->iv_size);
+ aead_request_set_crypt(req, sg, sg, vec->plaintext_size, iv);
+ err = crypto_aead_encrypt(req);
+ if (err) {
+ pr_err("%s encryption failed: %d\n", impl, err);
+ goto out;
+ }
+ err = fips_check_result(message, vec->ciphertext, vec->ciphertext_size,
+ impl, "encryption");
+ if (err)
+ goto out;
+
+ /*
+ * Decrypt the ciphertext (which includes the authentication tag), then
+ * verify the resulting plaintext.
+ */
+ memcpy(iv, vec->iv, vec->iv_size);
+ aead_request_set_crypt(req, sg, sg, vec->ciphertext_size, iv);
+ err = crypto_aead_decrypt(req);
+ if (err) {
+ pr_err("%s decryption failed: %d\n", impl, err);
+ goto out;
+ }
+ err = fips_check_result(message, vec->plaintext, vec->plaintext_size,
+ impl, "decryption");
+out:
+ kfree(message);
+ kfree(assoc);
+ aead_request_free(req);
+ crypto_free_aead(tfm);
+ return err;
+}
+
+/*
+ * Test a hash algorithm using the crypto_shash API.
+ *
+ * Note that we don't need to test the crypto_ahash API too, since none of the
+ * hash algorithms in the FIPS module have the ASYNC flag, and thus there will
+ * be no hash algorithms that can be accessed only through crypto_ahash.
+ */
+static int __init __must_check
+fips_test_hash(const struct fips_test *test, const char *impl)
+{
+ const struct hash_testvec *vec = &test->hash;
+ struct crypto_shash *tfm;
+ u8 digest[HASH_MAX_DIGESTSIZE];
+ int err;
+
+ if (WARN_ON(vec->digest_size > HASH_MAX_DIGESTSIZE))
+ return -EINVAL;
+
+ tfm = crypto_alloc_shash(impl, 0, 0);
+ if (IS_ERR(tfm))
+ return fips_handle_alloc_tfm_error(impl, PTR_ERR(tfm));
+ err = fips_validate_alg(&crypto_shash_alg(tfm)->base);
+ if (err)
+ goto out;
+ if (crypto_shash_digestsize(tfm) != vec->digest_size) {
+ pr_err("%s has wrong digest size\n", impl);
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (vec->key) {
+ err = crypto_shash_setkey(tfm, vec->key, vec->key_size);
+ if (err) {
+ pr_err("failed to set %s key: %d\n", impl, err);
+ goto out;
+ }
+ }
+
+ err = crypto_shash_tfm_digest(tfm, vec->message, vec->message_size,
+ digest);
+ if (err) {
+ pr_err("%s digest computation failed: %d\n", impl, err);
+ goto out;
+ }
+ err = fips_check_result(digest, vec->digest, vec->digest_size,
+ impl, "digest");
+out:
+ crypto_free_shash(tfm);
+ return err;
+}
+
+static int __init __must_check
+fips_test_sha256_library(const struct fips_test *test, const char *impl)
+{
+ const struct hash_testvec *vec = &test->hash;
+ u8 digest[SHA256_DIGEST_SIZE];
+
+ if (WARN_ON(vec->digest_size != SHA256_DIGEST_SIZE))
+ return -EINVAL;
+
+ sha256(vec->message, vec->message_size, digest);
+ return fips_check_result(digest, vec->digest, vec->digest_size,
+ impl, "digest");
+}
+
+/* Test a DRBG using the crypto_rng API. */
+static int __init __must_check
+fips_test_drbg(const struct fips_test *test, const char *impl)
+{
+ const struct drbg_testvec *vec = &test->drbg;
+ struct crypto_rng *rng;
+ u8 *output = NULL;
+ struct drbg_test_data test_data;
+ struct drbg_string addtl, pers, testentropy;
+ int err;
+
+ rng = crypto_alloc_rng(impl, 0, 0);
+ if (IS_ERR(rng))
+ return fips_handle_alloc_tfm_error(impl, PTR_ERR(rng));
+ err = fips_validate_alg(&crypto_rng_alg(rng)->base);
+ if (err)
+ goto out;
+
+ output = kzalloc(vec->out_size, GFP_KERNEL);
+ if (!output) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ /*
+ * Initialize the DRBG with the entropy and personalization string given
+ * in the test vector.
+ */
+ test_data.testentropy = &testentropy;
+ drbg_string_fill(&testentropy, vec->entropy, vec->entropy_size);
+ drbg_string_fill(&pers, vec->pers, vec->pers_size);
+ err = crypto_drbg_reset_test(rng, &pers, &test_data);
+ if (err) {
+ pr_err("failed to reset %s\n", impl);
+ goto out;
+ }
+
+ /*
+ * Generate some random bytes using the additional data string provided
+ * in the test vector. Also use the additional entropy if provided
+ * (relevant for the prediction-resistant DRBG variants only).
+ */
+ drbg_string_fill(&addtl, vec->add_a, vec->add_size);
+ if (vec->entpr_size) {
+ drbg_string_fill(&testentropy, vec->entpr_a, vec->entpr_size);
+ err = crypto_drbg_get_bytes_addtl_test(rng, output,
+ vec->out_size, &addtl,
+ &test_data);
+ } else {
+ err = crypto_drbg_get_bytes_addtl(rng, output, vec->out_size,
+ &addtl);
+ }
+ if (err) {
+ pr_err("failed to get bytes from %s (try 1): %d\n",
+ impl, err);
+ goto out;
+ }
+
+ /*
+ * Do the same again, using a second additional data string, and (when
+ * applicable) a second additional entropy string.
+ */
+ drbg_string_fill(&addtl, vec->add_b, vec->add_size);
+ if (test->drbg.entpr_size) {
+ drbg_string_fill(&testentropy, vec->entpr_b, vec->entpr_size);
+ err = crypto_drbg_get_bytes_addtl_test(rng, output,
+ vec->out_size, &addtl,
+ &test_data);
+ } else {
+ err = crypto_drbg_get_bytes_addtl(rng, output, vec->out_size,
+ &addtl);
+ }
+ if (err) {
+ pr_err("failed to get bytes from %s (try 2): %d\n",
+ impl, err);
+ goto out;
+ }
+
+ /* Check that the DRBG generated the expected output. */
+ err = fips_check_result(output, vec->output, vec->out_size,
+ impl, "get_bytes");
+out:
+ kfree(output);
+ crypto_free_rng(rng);
+ return err;
+}
+
+/* Include the test vectors generated by the Python script. */
+#include "fips140-generated-testvecs.h"
+
+/*
+ * List of all self-tests. Keep this in sync with fips140_algorithms[].
+ *
+ * When possible, we have followed the FIPS 140-2 Implementation Guidance (IG)
+ * document when creating this list of tests. The result is intended to be a
+ * list of tests that is near-minimal (and thus minimizes runtime overhead)
+ * while complying with all requirements. For additional details, see the
+ * comment at the beginning of this file.
+ */
+static const struct fips_test fips140_selftests[] __initconst = {
+ /*
+ * Test for the AES library API.
+ *
+ * Since the AES library API may use its own AES implementation and the
+ * module provides no support for composing it with a mode of operation
+ * (it's just plain AES), we must test it directly.
+ *
+ * In contrast, we don't need to directly test the "aes" ciphers that
+ * are accessible through the crypto_cipher API (e.g. "aes-ce"), as they
+ * are covered indirectly by AES-CMAC and AES-ECB tests.
+ */
+ {
+ .alg = "aes",
+ .impls = {"aes-lib"},
+ .func = fips_test_aes_library,
+ .skcipher = {
+ .key = fips_aes_key,
+ .key_size = sizeof(fips_aes_key),
+ .plaintext = fips_message,
+ .ciphertext = fips_aes_ecb_ciphertext,
+ .message_size = 16,
+ }
+ },
+ /*
+ * Tests for AES-CMAC, a.k.a. "cmac(aes)" in crypto API syntax.
+ *
+ * The IG requires that each underlying AES implementation be tested in
+ * an authenticated mode, if implemented. Of such modes, this module
+ * implements AES-GCM and AES-CMAC. However, AES-GCM doesn't "count"
+ * because this module's implementations of AES-GCM won't actually be
+ * FIPS-approved, due to a quirk in the FIPS requirements.
+ *
+ * Therefore, for us this requirement applies to AES-CMAC, so we must
+ * test the "cmac" template composed with each "aes" implementation.
+ *
+ * Separately from the above, we also must test all standalone
+ * implementations of "cmac(aes)" such as "cmac-aes-ce", as they don't
+ * reuse another full AES implementation and thus can't be covered by
+ * another test.
+ */
+ {
+ .alg = "cmac(aes)",
+ .impls = {
+ /* "cmac" template with all "aes" implementations */
+ "cmac(aes-generic)",
+ "cmac(aes-arm64)",
+ "cmac(aes-ce)",
+ /* All standalone implementations of "cmac(aes)" */
+ "cmac-aes-neon",
+ "cmac-aes-ce",
+ },
+ .func = fips_test_hash,
+ .hash = {
+ .key = fips_aes_key,
+ .key_size = sizeof(fips_aes_key),
+ .message = fips_message,
+ .message_size = sizeof(fips_message),
+ .digest = fips_aes_cmac_digest,
+ .digest_size = sizeof(fips_aes_cmac_digest),
+ }
+ },
+ /*
+ * Tests for AES-ECB, a.k.a. "ecb(aes)" in crypto API syntax.
+ *
+ * The IG requires that each underlying AES implementation be tested in
+ * a mode that exercises the encryption direction of AES and in a mode
+ * that exercises the decryption direction of AES. CMAC only covers the
+ * encryption direction, so we choose ECB to test decryption. Thus, we
+ * test the "ecb" template composed with each "aes" implementation.
+ *
+ * Separately from the above, we also must test all standalone
+ * implementations of "ecb(aes)" such as "ecb-aes-ce", as they don't
+ * reuse another full AES implementation and thus can't be covered by
+ * another test.
+ */
+ {
+ .alg = "ecb(aes)",
+ .impls = {
+ /* "ecb" template with all "aes" implementations */
+ "ecb(aes-generic)",
+ "ecb(aes-arm64)",
+ "ecb(aes-ce)",
+ /* All standalone implementations of "ecb(aes)" */
+ "ecb-aes-neon",
+ "ecb-aes-neonbs",
+ "ecb-aes-ce",
+ },
+ .func = fips_test_skcipher,
+ .skcipher = {
+ .key = fips_aes_key,
+ .key_size = sizeof(fips_aes_key),
+ .plaintext = fips_message,
+ .ciphertext = fips_aes_ecb_ciphertext,
+ .message_size = sizeof(fips_message)
+ }
+ },
+ /*
+ * Tests for AES-CBC, AES-CBC-CTS, AES-CTR, AES-XTS, and AES-GCM.
+ *
+ * According to the IG, an AES mode of operation doesn't need to have
+ * its own test, provided that (a) both the encryption and decryption
+ * directions of the underlying AES implementation are already tested
+ * via other mode(s), and (b) in the case of an authenticated mode, at
+ * least one other authenticated mode is already tested. The tests of
+ * the "cmac" and "ecb" templates fulfill these conditions; therefore,
+ * we don't need to test any other AES mode templates.
+ *
+ * This does *not* apply to standalone implementations of these modes
+ * such as "cbc-aes-ce", as such implementations don't reuse another
+ * full AES implementation and thus can't be covered by another test.
+ * We must test all such standalone implementations.
+ *
+ * The AES-GCM test isn't actually required, as it's expected that this
+ * module's AES-GCM implementation won't actually be able to be
+ * FIPS-approved. This is unfortunate; it's caused by the FIPS
+ * requirements for GCM being incompatible with GCM implementations that
+ * don't generate their own IVs. We choose to still include the AES-GCM
+ * test to keep it on par with the other FIPS-approved algorithms, in
+ * case it turns out that AES-GCM can be approved after all.
+ */
+ {
+ .alg = "cbc(aes)",
+ .impls = {
+ /* All standalone implementations of "cbc(aes)" */
+ "cbc-aes-neon",
+ "cbc-aes-neonbs",
+ "cbc-aes-ce",
+ },
+ .func = fips_test_skcipher,
+ .skcipher = {
+ .key = fips_aes_key,
+ .key_size = sizeof(fips_aes_key),
+ .iv = fips_aes_iv,
+ .iv_size = sizeof(fips_aes_iv),
+ .plaintext = fips_message,
+ .ciphertext = fips_aes_cbc_ciphertext,
+ .message_size = sizeof(fips_message),
+ }
+ }, {
+ .alg = "cts(cbc(aes))",
+ .impls = {
+ /* All standalone implementations of "cts(cbc(aes))" */
+ "cts-cbc-aes-neon",
+ "cts-cbc-aes-ce",
+ },
+ .func = fips_test_skcipher,
+ /* Test vector taken from RFC 3962 */
+ .skcipher = {
+ .key = "\x63\x68\x69\x63\x6b\x65\x6e\x20"
+ "\x74\x65\x72\x69\x79\x61\x6b\x69",
+ .key_size = 16,
+ .iv = "\x00\x00\x00\x00\x00\x00\x00\x00"
+ "\x00\x00\x00\x00\x00\x00\x00\x00",
+ .iv_size = 16,
+ .plaintext = "\x49\x20\x77\x6f\x75\x6c\x64\x20"
+ "\x6c\x69\x6b\x65\x20\x74\x68\x65"
+ "\x20\x47\x65\x6e\x65\x72\x61\x6c"
+ "\x20\x47\x61\x75\x27\x73\x20",
+ .ciphertext = "\xfc\x00\x78\x3e\x0e\xfd\xb2\xc1"
+ "\xd4\x45\xd4\xc8\xef\xf7\xed\x22"
+ "\x97\x68\x72\x68\xd6\xec\xcc\xc0"
+ "\xc0\x7b\x25\xe2\x5e\xcf\xe5",
+ .message_size = 31,
+ }
+ }, {
+ .alg = "ctr(aes)",
+ .impls = {
+ /* All standalone implementations of "ctr(aes)" */
+ "ctr-aes-neon",
+ "ctr-aes-neonbs",
+ "ctr-aes-ce",
+ },
+ .func = fips_test_skcipher,
+ .skcipher = {
+ .key = fips_aes_key,
+ .key_size = sizeof(fips_aes_key),
+ .iv = fips_aes_iv,
+ .iv_size = sizeof(fips_aes_iv),
+ .plaintext = fips_message,
+ .ciphertext = fips_aes_ctr_ciphertext,
+ .message_size = sizeof(fips_message),
+ }
+ }, {
+ .alg = "xts(aes)",
+ .impls = {
+ /* All standalone implementations of "xts(aes)" */
+ "xts-aes-neon",
+ "xts-aes-neonbs",
+ "xts-aes-ce",
+ },
+ .func = fips_test_skcipher,
+ .skcipher = {
+ .key = fips_aes_xts_key,
+ .key_size = sizeof(fips_aes_xts_key),
+ .iv = fips_aes_iv,
+ .iv_size = sizeof(fips_aes_iv),
+ .plaintext = fips_message,
+ .ciphertext = fips_aes_xts_ciphertext,
+ .message_size = sizeof(fips_message),
+ }
+ }, {
+ .alg = "gcm(aes)",
+ .impls = {
+ /* All standalone implementations of "gcm(aes)" */
+ "gcm-aes-ce",
+ },
+ .func = fips_test_aead,
+ .aead = {
+ .key = fips_aes_key,
+ .key_size = sizeof(fips_aes_key),
+ .iv = fips_aes_iv,
+ /* The GCM implementations assume an IV size of 12. */
+ .iv_size = 12,
+ .assoc = fips_aes_gcm_assoc,
+ .assoc_size = sizeof(fips_aes_gcm_assoc),
+ .plaintext = fips_message,
+ .plaintext_size = sizeof(fips_message),
+ .ciphertext = fips_aes_gcm_ciphertext,
+ .ciphertext_size = sizeof(fips_aes_gcm_ciphertext),
+ }
+ },
+
+ /* Tests for SHA-1 */
+ {
+ .alg = "sha1",
+ .impls = {
+ /* All implementations of "sha1" */
+ "sha1-generic",
+ "sha1-ce"
+ },
+ .func = fips_test_hash,
+ .hash = {
+ .message = fips_message,
+ .message_size = sizeof(fips_message),
+ .digest = fips_sha1_digest,
+ .digest_size = sizeof(fips_sha1_digest)
+ }
+ },
+ /*
+ * Tests for all SHA-256 implementations other than the sha256() library
+ * function. As per the IG, these tests also fulfill the tests for the
+ * corresponding SHA-224 implementations.
+ */
+ {
+ .alg = "sha256",
+ .impls = {
+ /* All implementations of "sha256" */
+ "sha256-generic",
+ "sha256-arm64",
+ "sha256-ce",
+ },
+ .func = fips_test_hash,
+ .hash = {
+ .message = fips_message,
+ .message_size = sizeof(fips_message),
+ .digest = fips_sha256_digest,
+ .digest_size = sizeof(fips_sha256_digest)
+ }
+ },
+ /*
+ * Test for the sha256() library function. This must be tested
+ * separately because it may use its own SHA-256 implementation.
+ */
+ {
+ .alg = "sha256",
+ .impls = {"sha256-lib"},
+ .func = fips_test_sha256_library,
+ .hash = {
+ .message = fips_message,
+ .message_size = sizeof(fips_message),
+ .digest = fips_sha256_digest,
+ .digest_size = sizeof(fips_sha256_digest)
+ }
+ },
+ /*
+ * Tests for all SHA-512 implementations. As per the IG, these tests
+ * also fulfill the tests for the corresponding SHA-384 implementations.
+ */
+ {
+ .alg = "sha512",
+ .impls = {
+ /* All implementations of "sha512" */
+ "sha512-generic",
+ "sha512-arm64",
+ "sha512-ce",
+ },
+ .func = fips_test_hash,
+ .hash = {
+ .message = fips_message,
+ .message_size = sizeof(fips_message),
+ .digest = fips_sha512_digest,
+ .digest_size = sizeof(fips_sha512_digest)
+ }
+ },
+ /*
+ * Test for HMAC. As per the IG, only one HMAC test is required,
+ * provided that the same HMAC code is shared by all HMAC-SHA*. This is
+ * true in our case. We choose HMAC-SHA256 for the test.
+ *
+ * Note that as per the IG, this can fulfill the test for the underlying
+ * SHA. However, we don't currently rely on this.
+ */
+ {
+ .alg = "hmac(sha256)",
+ .func = fips_test_hash,
+ .hash = {
+ .key = fips_hmac_key,
+ .key_size = sizeof(fips_hmac_key),
+ .message = fips_message,
+ .message_size = sizeof(fips_message),
+ .digest = fips_hmac_sha256_digest,
+ .digest_size = sizeof(fips_hmac_sha256_digest)
+ }
+ },
+ /*
+ * Known-answer tests for the SP800-90A DRBG algorithms.
+ *
+ * These test vectors were manually extracted from
+ * https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/drbg/drbgtestvectors.zip.
+ *
+ * The selection of these tests follows the FIPS 140-2 IG as well as
+ * Section 11 of SP800-90A:
+ *
+ * - We must test all DRBG types (HMAC, Hash, and CTR) that the module
+ * implements. However, currently the module only implements
+ * HMAC_DRBG (since CONFIG_CRYPTO_DRBG_CTR and CONFIG_CRYPTO_DRBG_HASH
+ * aren't enabled). Therefore, we only need to test HMAC_DRBG.
+ *
+ * - We only need to test one HMAC variant.
+ *
+ * - We must test all DRBG operations: Instantiate(), Reseed(), and
+ * Generate(). However, a single test sequence with a single output
+ * comparison may cover all three operations, and this is what we do.
+ * Note that Reseed() happens implicitly via the use of the additional
+ * input and also via the use of prediction resistance when enabled.
+ *
+ * - The personalization string, additional input, and prediction
+ * resistance support must be tested. Therefore we have chosen test
+ * vectors that have a nonempty personalization string and nonempty
+ * additional input, and we test the prediction-resistant variant.
+ * Testing the non-prediction-resistant variant is not required.
+ */
+ {
+ .alg = "drbg_pr_hmac_sha256",
+ .func = fips_test_drbg,
+ .drbg = {
+ .entropy =
+ "\xc7\xcc\xbc\x67\x7e\x21\x66\x1e\x27\x2b\x63\xdd"
+ "\x3a\x78\xdc\xdf\x66\x6d\x3f\x24\xae\xcf\x37\x01"
+ "\xa9\x0d\x89\x8a\xa7\xdc\x81\x58\xae\xb2\x10\x15"
+ "\x7e\x18\x44\x6d\x13\xea\xdf\x37\x85\xfe\x81\xfb",
+ .entropy_size = 48,
+ .entpr_a =
+ "\x7b\xa1\x91\x5b\x3c\x04\xc4\x1b\x1d\x19\x2f\x1a"
+ "\x18\x81\x60\x3c\x6c\x62\x91\xb7\xe9\xf5\xcb\x96"
+ "\xbb\x81\x6a\xcc\xb5\xae\x55\xb6",
+ .entpr_b =
+ "\x99\x2c\xc7\x78\x7e\x3b\x88\x12\xef\xbe\xd3\xd2"
+ "\x7d\x2a\xa5\x86\xda\x8d\x58\x73\x4a\x0a\xb2\x2e"
+ "\xbb\x4c\x7e\xe3\x9a\xb6\x81\xc1",
+ .entpr_size = 32,
+ .output =
+ "\x95\x6f\x95\xfc\x3b\xb7\xfe\x3e\xd0\x4e\x1a\x14"
+ "\x6c\x34\x7f\x7b\x1d\x0d\x63\x5e\x48\x9c\x69\xe6"
+ "\x46\x07\xd2\x87\xf3\x86\x52\x3d\x98\x27\x5e\xd7"
+ "\x54\xe7\x75\x50\x4f\xfb\x4d\xfd\xac\x2f\x4b\x77"
+ "\xcf\x9e\x8e\xcc\x16\xa2\x24\xcd\x53\xde\x3e\xc5"
+ "\x55\x5d\xd5\x26\x3f\x89\xdf\xca\x8b\x4e\x1e\xb6"
+ "\x88\x78\x63\x5c\xa2\x63\x98\x4e\x6f\x25\x59\xb1"
+ "\x5f\x2b\x23\xb0\x4b\xa5\x18\x5d\xc2\x15\x74\x40"
+ "\x59\x4c\xb4\x1e\xcf\x9a\x36\xfd\x43\xe2\x03\xb8"
+ "\x59\x91\x30\x89\x2a\xc8\x5a\x43\x23\x7c\x73\x72"
+ "\xda\x3f\xad\x2b\xba\x00\x6b\xd1",
+ .out_size = 128,
+ .add_a =
+ "\x18\xe8\x17\xff\xef\x39\xc7\x41\x5c\x73\x03\x03"
+ "\xf6\x3d\xe8\x5f\xc8\xab\xe4\xab\x0f\xad\xe8\xd6"
+ "\x86\x88\x55\x28\xc1\x69\xdd\x76",
+ .add_b =
+ "\xac\x07\xfc\xbe\x87\x0e\xd3\xea\x1f\x7e\xb8\xe7"
+ "\x9d\xec\xe8\xe7\xbc\xf3\x18\x25\x77\x35\x4a\xaa"
+ "\x00\x99\x2a\xdd\x0a\x00\x50\x82",
+ .add_size = 32,
+ .pers =
+ "\xbc\x55\xab\x3c\xf6\x52\xb0\x11\x3d\x7b\x90\xb8"
+ "\x24\xc9\x26\x4e\x5a\x1e\x77\x0d\x3d\x58\x4a\xda"
+ "\xd1\x81\xe9\xf8\xeb\x30\x8f\x6f",
+ .pers_size = 32,
+ }
+ }
+};
+
+static int __init __must_check
+fips_run_test(const struct fips_test *test)
+{
+ int i;
+ int err;
+
+ /*
+ * If no implementations were specified, then just test the default one.
+ * Otherwise, test the specified list of implementations.
+ */
+
+ if (test->impls[0] == NULL) {
+ err = test->func(test, test->alg);
+ if (err)
+ pr_emerg("self-tests failed for algorithm %s: %d\n",
+ test->alg, err);
+ return err;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(test->impls) && test->impls[i] != NULL;
+ i++) {
+ err = test->func(test, test->impls[i]);
+ if (err) {
+ pr_emerg("self-tests failed for algorithm %s, implementation %s: %d\n",
+ test->alg, test->impls[i], err);
+ return err;
+ }
+ }
+ return 0;
+}
+
+bool __init fips140_run_selftests(void)
+{
+ int i;
+
+ pr_info("running self-tests\n");
+ for (i = 0; i < ARRAY_SIZE(fips140_selftests); i++) {
+ if (fips_run_test(&fips140_selftests[i]) != 0) {
+ /* The caller is responsible for calling panic(). */
+ return false;
+ }
+ }
+ pr_info("all self-tests passed\n");
+ return true;
+}
diff --git a/crypto/fips140_gen_hmac.c b/crypto/fips140_gen_hmac.c
new file mode 100644
index 0000000..69f754d
--- /dev/null
+++ b/crypto/fips140_gen_hmac.c
@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021 - Google LLC
+ * Author: Ard Biesheuvel <ardb@google.com>
+ *
+ * This is a host tool that is intended to be used to take the HMAC digest of
+ * the .text and .rodata sections of the fips140.ko module, and store it inside
+ * the module. The module will perform an integrity selfcheck at module_init()
+ * time, by recalculating the digest and comparing it with the value calculated
+ * here.
+ *
+ * Note that the peculiar way an HMAC is being used as a digest with a public
+ * key rather than as a symmetric key signature is mandated by FIPS 140-2.
+ */
+
+#include <elf.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <openssl/hmac.h>
+
+static Elf64_Ehdr *ehdr;
+static Elf64_Shdr *shdr;
+static int num_shdr;
+static const char *strtab, *shstrtab;
+static Elf64_Sym *syms;
+static int num_syms;
+
+static Elf64_Shdr *find_symtab_section(void)
+{
+ int i;
+
+ for (i = 0; i < num_shdr; i++)
+ if (shdr[i].sh_type == SHT_SYMTAB)
+ return &shdr[i];
+ return NULL;
+}
+
+static int get_section_idx(const char *name)
+{
+ int i;
+
+ for (i = 0; i < num_shdr; i++)
+ if (!strcmp(shstrtab + shdr[i].sh_name, name))
+ return i;
+ return -1;
+}
+
+static int get_sym_idx(const char *sym_name)
+{
+ int i;
+
+ for (i = 0; i < num_syms; i++)
+ if (!strcmp(strtab + syms[i].st_name, sym_name))
+ return i;
+ return -1;
+}
+
+static void *get_sym_addr(const char *sym_name)
+{
+ int i = get_sym_idx(sym_name);
+
+ if (i >= 0)
+ return (void *)ehdr + shdr[syms[i].st_shndx].sh_offset +
+ syms[i].st_value;
+ return NULL;
+}
+
+static int update_rela_ref(const char *name)
+{
+ /*
+ * We need to do a couple of things to ensure that the copied RELA data
+ * is accessible to the module itself at module init time:
+ * - the associated entry in the symbol table needs to refer to the
+ * correct section index, and have SECTION type and GLOBAL linkage.
+ * - the 'count' global variable in the module need to be set to the
+ * right value based on the size of the RELA section.
+ */
+ unsigned int *size_var;
+ int sec_idx, sym_idx;
+ char str[32];
+
+ sprintf(str, "fips140_rela_%s", name);
+ size_var = get_sym_addr(str);
+ if (!size_var) {
+ printf("variable '%s' not found, disregarding .%s section\n",
+ str, name);
+ return 1;
+ }
+
+ sprintf(str, "__sec_rela_%s", name);
+ sym_idx = get_sym_idx(str);
+
+ sprintf(str, ".init.rela.%s", name);
+ sec_idx = get_section_idx(str);
+
+ if (sec_idx < 0 || sym_idx < 0) {
+ fprintf(stderr, "failed to locate metadata for .%s section in binary\n",
+ name);
+ return 0;
+ }
+
+ syms[sym_idx].st_shndx = sec_idx;
+ syms[sym_idx].st_info = (STB_GLOBAL << 4) | STT_SECTION;
+
+ size_var[1] = shdr[sec_idx].sh_size / sizeof(Elf64_Rela);
+
+ return 1;
+}
+
+static void hmac_section(HMAC_CTX *hmac, const char *start, const char *end)
+{
+ void *start_addr = get_sym_addr(start);
+ void *end_addr = get_sym_addr(end);
+
+ HMAC_Update(hmac, start_addr, end_addr - start_addr);
+}
+
+int main(int argc, char **argv)
+{
+ Elf64_Shdr *symtab_shdr;
+ const char *hmac_key;
+ unsigned char *dg;
+ unsigned int dglen;
+ struct stat stat;
+ HMAC_CTX *hmac;
+ int fd, ret;
+
+ if (argc < 2) {
+ fprintf(stderr, "file argument missing\n");
+ exit(EXIT_FAILURE);
+ }
+
+ fd = open(argv[1], O_RDWR);
+ if (fd < 0) {
+ fprintf(stderr, "failed to open %s\n", argv[1]);
+ exit(EXIT_FAILURE);
+ }
+
+ ret = fstat(fd, &stat);
+ if (ret < 0) {
+ fprintf(stderr, "failed to stat() %s\n", argv[1]);
+ exit(EXIT_FAILURE);
+ }
+
+ ehdr = mmap(0, stat.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (ehdr == MAP_FAILED) {
+ fprintf(stderr, "failed to mmap() %s\n", argv[1]);
+ exit(EXIT_FAILURE);
+ }
+
+ shdr = (void *)ehdr + ehdr->e_shoff;
+ num_shdr = ehdr->e_shnum;
+
+ symtab_shdr = find_symtab_section();
+
+ syms = (void *)ehdr + symtab_shdr->sh_offset;
+ num_syms = symtab_shdr->sh_size / sizeof(Elf64_Sym);
+
+ strtab = (void *)ehdr + shdr[symtab_shdr->sh_link].sh_offset;
+ shstrtab = (void *)ehdr + shdr[ehdr->e_shstrndx].sh_offset;
+
+ if (!update_rela_ref("text") || !update_rela_ref("rodata"))
+ exit(EXIT_FAILURE);
+
+ hmac_key = get_sym_addr("fips140_integ_hmac_key");
+ if (!hmac_key) {
+ fprintf(stderr, "failed to locate HMAC key in binary\n");
+ exit(EXIT_FAILURE);
+ }
+
+ dg = get_sym_addr("fips140_integ_hmac_digest");
+ if (!dg) {
+ fprintf(stderr, "failed to locate HMAC digest in binary\n");
+ exit(EXIT_FAILURE);
+ }
+
+ hmac = HMAC_CTX_new();
+ HMAC_Init_ex(hmac, hmac_key, strlen(hmac_key), EVP_sha256(), NULL);
+
+ hmac_section(hmac, "__fips140_text_start", "__fips140_text_end");
+ hmac_section(hmac, "__fips140_rodata_start", "__fips140_rodata_end");
+
+ HMAC_Final(hmac, dg, &dglen);
+
+ close(fd);
+ return 0;
+}
diff --git a/crypto/keywrap.c b/crypto/keywrap.c
index 0355cce..3517773 100644
--- a/crypto/keywrap.c
+++ b/crypto/keywrap.c
@@ -85,6 +85,7 @@
#include <linux/crypto.h>
#include <linux/scatterlist.h>
#include <crypto/scatterwalk.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
struct crypto_kw_block {
@@ -316,3 +317,4 @@ MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Stephan Mueller <smueller@chronox.de>");
MODULE_DESCRIPTION("Key Wrapping (RFC3394 / NIST SP800-38F)");
MODULE_ALIAS_CRYPTO("kw");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/ofb.c b/crypto/ofb.c
index 2ec68e3..b630fde 100644
--- a/crypto/ofb.c
+++ b/crypto/ofb.c
@@ -8,6 +8,7 @@
*/
#include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -102,3 +103,4 @@ module_exit(crypto_ofb_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("OFB block cipher mode of operation");
MODULE_ALIAS_CRYPTO("ofb");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/pcbc.c b/crypto/pcbc.c
index ae921fb..7030f59 100644
--- a/crypto/pcbc.c
+++ b/crypto/pcbc.c
@@ -10,6 +10,7 @@
*/
#include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -191,3 +192,4 @@ module_exit(crypto_pcbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("PCBC block cipher mode of operation");
MODULE_ALIAS_CRYPTO("pcbc");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index b4dae64..ff16d05 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -10,6 +10,7 @@
*/
#include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <linux/bug.h>
@@ -986,3 +987,4 @@ EXPORT_SYMBOL_GPL(skcipher_alloc_instance_simple);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Symmetric key cipher type");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index a64a639..facc167 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -33,10 +33,13 @@
#include <crypto/akcipher.h>
#include <crypto/kpp.h>
#include <crypto/acompress.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/simd.h>
#include "internal.h"
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
+
static bool notests;
module_param(notests, bool, 0644);
MODULE_PARM_DESC(notests, "disable crypto self-tests");
diff --git a/crypto/vmac.c b/crypto/vmac.c
index 9b565d1..4633b2d 100644
--- a/crypto/vmac.c
+++ b/crypto/vmac.c
@@ -36,6 +36,7 @@
#include <linux/scatterlist.h>
#include <asm/byteorder.h>
#include <crypto/scatterwalk.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/hash.h>
/*
@@ -693,3 +694,4 @@ module_exit(vmac_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VMAC hash algorithm");
MODULE_ALIAS_CRYPTO("vmac64");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/xcbc.c b/crypto/xcbc.c
index af3b7eb..6074c5c 100644
--- a/crypto/xcbc.c
+++ b/crypto/xcbc.c
@@ -6,6 +6,7 @@
* Kazunori Miyazawa <miyazawa@linux-ipv6.org>
*/
+#include <crypto/internal/cipher.h>
#include <crypto/internal/hash.h>
#include <linux/err.h>
#include <linux/kernel.h>
@@ -272,3 +273,4 @@ module_exit(crypto_xcbc_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("XCBC keyed hash algorithm");
MODULE_ALIAS_CRYPTO("xcbc");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/crypto/xts.c b/crypto/xts.c
index ad45b00..6c12f30d 100644
--- a/crypto/xts.c
+++ b/crypto/xts.c
@@ -7,6 +7,7 @@
* Based on ecb.c
* Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
*/
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <crypto/scatterwalk.h>
#include <linux/err.h>
@@ -464,3 +465,4 @@ module_exit(xts_module_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("XTS block cipher mode");
MODULE_ALIAS_CRYPTO("xts");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 99e23a5..6d1fae6 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1194,8 +1194,7 @@ static int __nfit_mem_init(struct acpi_nfit_desc *acpi_desc,
return 0;
}
-static int nfit_mem_cmp(void *priv, const struct list_head *_a,
- const struct list_head *_b)
+static int nfit_mem_cmp(void *priv, struct list_head *_a, struct list_head *_b)
{
struct nfit_mem *a = container_of(_a, typeof(*a), list);
struct nfit_mem *b = container_of(_b, typeof(*b), list);
diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c
index 137a5dd..cb73a5d 100644
--- a/drivers/acpi/numa/hmat.c
+++ b/drivers/acpi/numa/hmat.c
@@ -558,8 +558,7 @@ static bool hmat_update_best(u8 type, u32 value, u32 *best)
return updated;
}
-static int initiator_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int initiator_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct memory_initiator *ia;
struct memory_initiator *ib;
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 18bd428..592e1ee 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -76,7 +76,7 @@ static bool acpi_nondev_subnode_extract(const union acpi_object *desc,
return false;
dn->name = link->package.elements[0].string.pointer;
- dn->fwnode.ops = &acpi_data_fwnode_ops;
+ fwnode_init(&dn->fwnode, &acpi_data_fwnode_ops);
dn->parent = parent;
INIT_LIST_HEAD(&dn->data.properties);
INIT_LIST_HEAD(&dn->data.subnodes);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index de0533b..0040dd5 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1623,7 +1623,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
device->device_type = type;
device->handle = handle;
device->parent = acpi_bus_get_parent(handle);
- device->fwnode.ops = &acpi_device_fwnode_ops;
+ fwnode_init(&device->fwnode, &acpi_device_fwnode_ops);
acpi_set_device_status(device, sta);
acpi_device_get_busid(device);
acpi_set_pnp_ids(handle, &device->pnp, type);
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 8f4ae6e..47c7244 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -299,11 +299,10 @@ static int amba_remove(struct device *dev)
{
struct amba_device *pcdev = to_amba_device(dev);
struct amba_driver *drv = to_amba_driver(dev->driver);
- int ret = 0;
pm_runtime_get_sync(dev);
if (drv->remove)
- ret = drv->remove(pcdev);
+ drv->remove(pcdev);
pm_runtime_put_noidle(dev);
/* Undo the runtime PM settings in amba_probe() */
@@ -314,7 +313,7 @@ static int amba_remove(struct device *dev)
amba_put_disable_pclk(pcdev);
dev_pm_domain_detach(dev, true);
- return ret;
+ return 0;
}
static void amba_shutdown(struct device *dev)
diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig
index 53b22e2..a99ff85 100644
--- a/drivers/android/Kconfig
+++ b/drivers/android/Kconfig
@@ -54,6 +54,26 @@
exhaustively with combinations of various buffer sizes and
alignments.
+config ANDROID_DEBUG_SYMBOLS
+ bool "Android Debug Symbols"
+ help
+ Enables export of debug symbols that are useful for offline debugging
+ of a kernel. These symbols would be used in vendor modules to find
+ addresses of the core kernel symbols for vendor extensions.
+
+ This driver is statically compiled into kernel and maintains all the
+ required symbol addresses for vendor modules and provides necessary
+ interface vendor modules.
+
+config ANDROID_VENDOR_HOOKS
+ bool "Android Vendor Hooks"
+ depends on TRACEPOINTS
+ help
+ Enable vendor hooks implemented as tracepoints
+
+ Allow vendor modules to attach to tracepoint "hooks" defined via
+ DECLARE_HOOK or DECLARE_RESTRICTED_HOOK.
+
endif # if ANDROID
endmenu
diff --git a/drivers/android/Makefile b/drivers/android/Makefile
index c9d3d0c9..925d18e 100644
--- a/drivers/android/Makefile
+++ b/drivers/android/Makefile
@@ -4,3 +4,5 @@
obj-$(CONFIG_ANDROID_BINDERFS) += binderfs.o
obj-$(CONFIG_ANDROID_BINDER_IPC) += binder.o binder_alloc.o
obj-$(CONFIG_ANDROID_BINDER_IPC_SELFTEST) += binder_alloc_selftest.o
+obj-$(CONFIG_ANDROID_DEBUG_SYMBOLS) += debug_symbols.o
+obj-$(CONFIG_ANDROID_VENDOR_HOOKS) += vendor_hooks.o
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index a125597..1e1d2df 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -66,15 +66,16 @@
#include <linux/syscalls.h>
#include <linux/task_work.h>
#include <linux/sizes.h>
+#include <linux/android_vendor.h>
+#include <uapi/linux/sched/types.h>
#include <uapi/linux/android/binder.h>
-#include <uapi/linux/android/binderfs.h>
#include <asm/cacheflush.h>
-#include "binder_alloc.h"
#include "binder_internal.h"
#include "binder_trace.h"
+#include <trace/hooks/binder.h>
static HLIST_HEAD(binder_deferred_list);
static DEFINE_MUTEX(binder_deferred_lock);
@@ -160,24 +161,6 @@ module_param_call(stop_on_user_error, binder_set_stop_on_user_error,
#define to_binder_fd_array_object(hdr) \
container_of(hdr, struct binder_fd_array_object, hdr)
-enum binder_stat_types {
- BINDER_STAT_PROC,
- BINDER_STAT_THREAD,
- BINDER_STAT_NODE,
- BINDER_STAT_REF,
- BINDER_STAT_DEATH,
- BINDER_STAT_TRANSACTION,
- BINDER_STAT_TRANSACTION_COMPLETE,
- BINDER_STAT_COUNT
-};
-
-struct binder_stats {
- atomic_t br[_IOC_NR(BR_FAILED_REPLY) + 1];
- atomic_t bc[_IOC_NR(BC_REPLY_SG) + 1];
- atomic_t obj_created[BINDER_STAT_COUNT];
- atomic_t obj_deleted[BINDER_STAT_COUNT];
-};
-
static struct binder_stats binder_stats;
static inline void binder_stats_deleted(enum binder_stat_types type)
@@ -213,282 +196,11 @@ static struct binder_transaction_log_entry *binder_transaction_log_add(
return e;
}
-/**
- * struct binder_work - work enqueued on a worklist
- * @entry: node enqueued on list
- * @type: type of work to be performed
- *
- * There are separate work lists for proc, thread, and node (async).
- */
-struct binder_work {
- struct list_head entry;
-
- enum binder_work_type {
- BINDER_WORK_TRANSACTION = 1,
- BINDER_WORK_TRANSACTION_COMPLETE,
- BINDER_WORK_RETURN_ERROR,
- BINDER_WORK_NODE,
- BINDER_WORK_DEAD_BINDER,
- BINDER_WORK_DEAD_BINDER_AND_CLEAR,
- BINDER_WORK_CLEAR_DEATH_NOTIFICATION,
- } type;
-};
-
-struct binder_error {
- struct binder_work work;
- uint32_t cmd;
-};
-
-/**
- * struct binder_node - binder node bookkeeping
- * @debug_id: unique ID for debugging
- * (invariant after initialized)
- * @lock: lock for node fields
- * @work: worklist element for node work
- * (protected by @proc->inner_lock)
- * @rb_node: element for proc->nodes tree
- * (protected by @proc->inner_lock)
- * @dead_node: element for binder_dead_nodes list
- * (protected by binder_dead_nodes_lock)
- * @proc: binder_proc that owns this node
- * (invariant after initialized)
- * @refs: list of references on this node
- * (protected by @lock)
- * @internal_strong_refs: used to take strong references when
- * initiating a transaction
- * (protected by @proc->inner_lock if @proc
- * and by @lock)
- * @local_weak_refs: weak user refs from local process
- * (protected by @proc->inner_lock if @proc
- * and by @lock)
- * @local_strong_refs: strong user refs from local process
- * (protected by @proc->inner_lock if @proc
- * and by @lock)
- * @tmp_refs: temporary kernel refs
- * (protected by @proc->inner_lock while @proc
- * is valid, and by binder_dead_nodes_lock
- * if @proc is NULL. During inc/dec and node release
- * it is also protected by @lock to provide safety
- * as the node dies and @proc becomes NULL)
- * @ptr: userspace pointer for node
- * (invariant, no lock needed)
- * @cookie: userspace cookie for node
- * (invariant, no lock needed)
- * @has_strong_ref: userspace notified of strong ref
- * (protected by @proc->inner_lock if @proc
- * and by @lock)
- * @pending_strong_ref: userspace has acked notification of strong ref
- * (protected by @proc->inner_lock if @proc
- * and by @lock)
- * @has_weak_ref: userspace notified of weak ref
- * (protected by @proc->inner_lock if @proc
- * and by @lock)
- * @pending_weak_ref: userspace has acked notification of weak ref
- * (protected by @proc->inner_lock if @proc
- * and by @lock)
- * @has_async_transaction: async transaction to node in progress
- * (protected by @lock)
- * @accept_fds: file descriptor operations supported for node
- * (invariant after initialized)
- * @min_priority: minimum scheduling priority
- * (invariant after initialized)
- * @txn_security_ctx: require sender's security context
- * (invariant after initialized)
- * @async_todo: list of async work items
- * (protected by @proc->inner_lock)
- *
- * Bookkeeping structure for binder nodes.
- */
-struct binder_node {
- int debug_id;
- spinlock_t lock;
- struct binder_work work;
- union {
- struct rb_node rb_node;
- struct hlist_node dead_node;
- };
- struct binder_proc *proc;
- struct hlist_head refs;
- int internal_strong_refs;
- int local_weak_refs;
- int local_strong_refs;
- int tmp_refs;
- binder_uintptr_t ptr;
- binder_uintptr_t cookie;
- struct {
- /*
- * bitfield elements protected by
- * proc inner_lock
- */
- u8 has_strong_ref:1;
- u8 pending_strong_ref:1;
- u8 has_weak_ref:1;
- u8 pending_weak_ref:1;
- };
- struct {
- /*
- * invariant after initialization
- */
- u8 accept_fds:1;
- u8 txn_security_ctx:1;
- u8 min_priority;
- };
- bool has_async_transaction;
- struct list_head async_todo;
-};
-
-struct binder_ref_death {
- /**
- * @work: worklist element for death notifications
- * (protected by inner_lock of the proc that
- * this ref belongs to)
- */
- struct binder_work work;
- binder_uintptr_t cookie;
-};
-
-/**
- * struct binder_ref_data - binder_ref counts and id
- * @debug_id: unique ID for the ref
- * @desc: unique userspace handle for ref
- * @strong: strong ref count (debugging only if not locked)
- * @weak: weak ref count (debugging only if not locked)
- *
- * Structure to hold ref count and ref id information. Since
- * the actual ref can only be accessed with a lock, this structure
- * is used to return information about the ref to callers of
- * ref inc/dec functions.
- */
-struct binder_ref_data {
- int debug_id;
- uint32_t desc;
- int strong;
- int weak;
-};
-
-/**
- * struct binder_ref - struct to track references on nodes
- * @data: binder_ref_data containing id, handle, and current refcounts
- * @rb_node_desc: node for lookup by @data.desc in proc's rb_tree
- * @rb_node_node: node for lookup by @node in proc's rb_tree
- * @node_entry: list entry for node->refs list in target node
- * (protected by @node->lock)
- * @proc: binder_proc containing ref
- * @node: binder_node of target node. When cleaning up a
- * ref for deletion in binder_cleanup_ref, a non-NULL
- * @node indicates the node must be freed
- * @death: pointer to death notification (ref_death) if requested
- * (protected by @node->lock)
- *
- * Structure to track references from procA to target node (on procB). This
- * structure is unsafe to access without holding @proc->outer_lock.
- */
-struct binder_ref {
- /* Lookups needed: */
- /* node + proc => ref (transaction) */
- /* desc + proc => ref (transaction, inc/dec ref) */
- /* node => refs + procs (proc exit) */
- struct binder_ref_data data;
- struct rb_node rb_node_desc;
- struct rb_node rb_node_node;
- struct hlist_node node_entry;
- struct binder_proc *proc;
- struct binder_node *node;
- struct binder_ref_death *death;
-};
-
enum binder_deferred_state {
BINDER_DEFERRED_FLUSH = 0x01,
BINDER_DEFERRED_RELEASE = 0x02,
};
-/**
- * struct binder_proc - binder process bookkeeping
- * @proc_node: element for binder_procs list
- * @threads: rbtree of binder_threads in this proc
- * (protected by @inner_lock)
- * @nodes: rbtree of binder nodes associated with
- * this proc ordered by node->ptr
- * (protected by @inner_lock)
- * @refs_by_desc: rbtree of refs ordered by ref->desc
- * (protected by @outer_lock)
- * @refs_by_node: rbtree of refs ordered by ref->node
- * (protected by @outer_lock)
- * @waiting_threads: threads currently waiting for proc work
- * (protected by @inner_lock)
- * @pid PID of group_leader of process
- * (invariant after initialized)
- * @tsk task_struct for group_leader of process
- * (invariant after initialized)
- * @cred struct cred associated with the `struct file`
- * in binder_open()
- * (invariant after initialized)
- * @deferred_work_node: element for binder_deferred_list
- * (protected by binder_deferred_lock)
- * @deferred_work: bitmap of deferred work to perform
- * (protected by binder_deferred_lock)
- * @is_dead: process is dead and awaiting free
- * when outstanding transactions are cleaned up
- * (protected by @inner_lock)
- * @todo: list of work for this process
- * (protected by @inner_lock)
- * @stats: per-process binder statistics
- * (atomics, no lock needed)
- * @delivered_death: list of delivered death notification
- * (protected by @inner_lock)
- * @max_threads: cap on number of binder threads
- * (protected by @inner_lock)
- * @requested_threads: number of binder threads requested but not
- * yet started. In current implementation, can
- * only be 0 or 1.
- * (protected by @inner_lock)
- * @requested_threads_started: number binder threads started
- * (protected by @inner_lock)
- * @tmp_ref: temporary reference to indicate proc is in use
- * (protected by @inner_lock)
- * @default_priority: default scheduler priority
- * (invariant after initialized)
- * @debugfs_entry: debugfs node
- * @alloc: binder allocator bookkeeping
- * @context: binder_context for this proc
- * (invariant after initialized)
- * @inner_lock: can nest under outer_lock and/or node lock
- * @outer_lock: no nesting under innor or node lock
- * Lock order: 1) outer, 2) node, 3) inner
- * @binderfs_entry: process-specific binderfs log file
- *
- * Bookkeeping structure for binder processes
- */
-struct binder_proc {
- struct hlist_node proc_node;
- struct rb_root threads;
- struct rb_root nodes;
- struct rb_root refs_by_desc;
- struct rb_root refs_by_node;
- struct list_head waiting_threads;
- int pid;
- struct task_struct *tsk;
- const struct cred *cred;
- struct hlist_node deferred_work_node;
- int deferred_work;
- bool is_dead;
-
- struct list_head todo;
- struct binder_stats stats;
- struct list_head delivered_death;
- int max_threads;
- int requested_threads;
- int requested_threads_started;
- int tmp_ref;
- long default_priority;
- struct dentry *debugfs_entry;
- struct binder_alloc alloc;
- struct binder_context *context;
- spinlock_t inner_lock;
- spinlock_t outer_lock;
- struct dentry *binderfs_entry;
-};
-
enum {
BINDER_LOOPER_STATE_REGISTERED = 0x01,
BINDER_LOOPER_STATE_ENTERED = 0x02,
@@ -499,125 +211,6 @@ enum {
};
/**
- * struct binder_thread - binder thread bookkeeping
- * @proc: binder process for this thread
- * (invariant after initialization)
- * @rb_node: element for proc->threads rbtree
- * (protected by @proc->inner_lock)
- * @waiting_thread_node: element for @proc->waiting_threads list
- * (protected by @proc->inner_lock)
- * @pid: PID for this thread
- * (invariant after initialization)
- * @looper: bitmap of looping state
- * (only accessed by this thread)
- * @looper_needs_return: looping thread needs to exit driver
- * (no lock needed)
- * @transaction_stack: stack of in-progress transactions for this thread
- * (protected by @proc->inner_lock)
- * @todo: list of work to do for this thread
- * (protected by @proc->inner_lock)
- * @process_todo: whether work in @todo should be processed
- * (protected by @proc->inner_lock)
- * @return_error: transaction errors reported by this thread
- * (only accessed by this thread)
- * @reply_error: transaction errors reported by target thread
- * (protected by @proc->inner_lock)
- * @wait: wait queue for thread work
- * @stats: per-thread statistics
- * (atomics, no lock needed)
- * @tmp_ref: temporary reference to indicate thread is in use
- * (atomic since @proc->inner_lock cannot
- * always be acquired)
- * @is_dead: thread is dead and awaiting free
- * when outstanding transactions are cleaned up
- * (protected by @proc->inner_lock)
- *
- * Bookkeeping structure for binder threads.
- */
-struct binder_thread {
- struct binder_proc *proc;
- struct rb_node rb_node;
- struct list_head waiting_thread_node;
- int pid;
- int looper; /* only modified by this thread */
- bool looper_need_return; /* can be written by other thread */
- struct binder_transaction *transaction_stack;
- struct list_head todo;
- bool process_todo;
- struct binder_error return_error;
- struct binder_error reply_error;
- wait_queue_head_t wait;
- struct binder_stats stats;
- atomic_t tmp_ref;
- bool is_dead;
-};
-
-/**
- * struct binder_txn_fd_fixup - transaction fd fixup list element
- * @fixup_entry: list entry
- * @file: struct file to be associated with new fd
- * @offset: offset in buffer data to this fixup
- *
- * List element for fd fixups in a transaction. Since file
- * descriptors need to be allocated in the context of the
- * target process, we pass each fd to be processed in this
- * struct.
- */
-struct binder_txn_fd_fixup {
- struct list_head fixup_entry;
- struct file *file;
- size_t offset;
-};
-
-struct binder_transaction {
- int debug_id;
- struct binder_work work;
- struct binder_thread *from;
- struct binder_transaction *from_parent;
- struct binder_proc *to_proc;
- struct binder_thread *to_thread;
- struct binder_transaction *to_parent;
- unsigned need_reply:1;
- /* unsigned is_dead:1; */ /* not used at the moment */
-
- struct binder_buffer *buffer;
- unsigned int code;
- unsigned int flags;
- long priority;
- long saved_priority;
- kuid_t sender_euid;
- struct list_head fd_fixups;
- binder_uintptr_t security_ctx;
- /**
- * @lock: protects @from, @to_proc, and @to_thread
- *
- * @from, @to_proc, and @to_thread can be set to NULL
- * during thread teardown
- */
- spinlock_t lock;
-};
-
-/**
- * struct binder_object - union of flat binder object types
- * @hdr: generic object header
- * @fbo: binder object (nodes and refs)
- * @fdo: file descriptor object
- * @bbo: binder buffer pointer
- * @fdao: file descriptor array
- *
- * Used for type-independent object copies
- */
-struct binder_object {
- union {
- struct binder_object_header hdr;
- struct flat_binder_object fbo;
- struct binder_fd_object fdo;
- struct binder_buffer_object bbo;
- struct binder_fd_array_object fdao;
- };
-};
-
-/**
* binder_proc_lock() - Acquire outer lock for given binder_proc
* @proc: struct binder_proc to acquire
*
@@ -933,6 +526,7 @@ static void binder_wakeup_poll_threads_ilocked(struct binder_proc *proc,
thread = rb_entry(n, struct binder_thread, rb_node);
if (thread->looper & BINDER_LOOPER_STATE_POLL &&
binder_available_for_proc_work_ilocked(thread)) {
+ trace_android_vh_binder_wakeup_ilocked(thread->task, sync, proc);
if (sync)
wake_up_interruptible_sync(&thread->wait);
else
@@ -992,6 +586,7 @@ static void binder_wakeup_thread_ilocked(struct binder_proc *proc,
assert_spin_locked(&proc->inner_lock);
if (thread) {
+ trace_android_vh_binder_wakeup_ilocked(thread->task, sync, proc);
if (sync)
wake_up_interruptible_sync(&thread->wait);
else
@@ -1022,22 +617,151 @@ static void binder_wakeup_proc_ilocked(struct binder_proc *proc)
binder_wakeup_thread_ilocked(proc, thread, /* sync = */false);
}
-static void binder_set_nice(long nice)
+static bool is_rt_policy(int policy)
{
- long min_nice;
+ return policy == SCHED_FIFO || policy == SCHED_RR;
+}
- if (can_nice(current, nice)) {
- set_user_nice(current, nice);
+static bool is_fair_policy(int policy)
+{
+ return policy == SCHED_NORMAL || policy == SCHED_BATCH;
+}
+
+static bool binder_supported_policy(int policy)
+{
+ return is_fair_policy(policy) || is_rt_policy(policy);
+}
+
+static int to_userspace_prio(int policy, int kernel_priority)
+{
+ if (is_fair_policy(policy))
+ return PRIO_TO_NICE(kernel_priority);
+ else
+ return MAX_USER_RT_PRIO - 1 - kernel_priority;
+}
+
+static int to_kernel_prio(int policy, int user_priority)
+{
+ if (is_fair_policy(policy))
+ return NICE_TO_PRIO(user_priority);
+ else
+ return MAX_USER_RT_PRIO - 1 - user_priority;
+}
+
+static void binder_do_set_priority(struct task_struct *task,
+ struct binder_priority desired,
+ bool verify)
+{
+ int priority; /* user-space prio value */
+ bool has_cap_nice;
+ unsigned int policy = desired.sched_policy;
+
+ if (task->policy == policy && task->normal_prio == desired.prio)
return;
+
+ has_cap_nice = has_capability_noaudit(task, CAP_SYS_NICE);
+
+ priority = to_userspace_prio(policy, desired.prio);
+
+ if (verify && is_rt_policy(policy) && !has_cap_nice) {
+ long max_rtprio = task_rlimit(task, RLIMIT_RTPRIO);
+
+ if (max_rtprio == 0) {
+ policy = SCHED_NORMAL;
+ priority = MIN_NICE;
+ } else if (priority > max_rtprio) {
+ priority = max_rtprio;
+ }
}
- min_nice = rlimit_to_nice(rlimit(RLIMIT_NICE));
- binder_debug(BINDER_DEBUG_PRIORITY_CAP,
- "%d: nice value %ld not allowed use %ld instead\n",
- current->pid, nice, min_nice);
- set_user_nice(current, min_nice);
- if (min_nice <= MAX_NICE)
+
+ if (verify && is_fair_policy(policy) && !has_cap_nice) {
+ long min_nice = rlimit_to_nice(task_rlimit(task, RLIMIT_NICE));
+
+ if (min_nice > MAX_NICE) {
+ binder_user_error("%d RLIMIT_NICE not set\n",
+ task->pid);
+ return;
+ } else if (priority < min_nice) {
+ priority = min_nice;
+ }
+ }
+
+ if (policy != desired.sched_policy ||
+ to_kernel_prio(policy, priority) != desired.prio)
+ binder_debug(BINDER_DEBUG_PRIORITY_CAP,
+ "%d: priority %d not allowed, using %d instead\n",
+ task->pid, desired.prio,
+ to_kernel_prio(policy, priority));
+
+ trace_binder_set_priority(task->tgid, task->pid, task->normal_prio,
+ to_kernel_prio(policy, priority),
+ desired.prio);
+
+ /* Set the actual priority */
+ if (task->policy != policy || is_rt_policy(policy)) {
+ struct sched_param params;
+
+ params.sched_priority = is_rt_policy(policy) ? priority : 0;
+
+ sched_setscheduler_nocheck(task,
+ policy | SCHED_RESET_ON_FORK,
+ ¶ms);
+ }
+ if (is_fair_policy(policy))
+ set_user_nice(task, priority);
+}
+
+static void binder_set_priority(struct task_struct *task,
+ struct binder_priority desired)
+{
+ binder_do_set_priority(task, desired, /* verify = */ true);
+}
+
+static void binder_restore_priority(struct task_struct *task,
+ struct binder_priority desired)
+{
+ binder_do_set_priority(task, desired, /* verify = */ false);
+}
+
+static void binder_transaction_priority(struct task_struct *task,
+ struct binder_transaction *t,
+ struct binder_priority node_prio,
+ bool inherit_rt)
+{
+ struct binder_priority desired_prio = t->priority;
+ bool skip = false;
+
+ if (t->set_priority_called)
return;
- binder_user_error("%d RLIMIT_NICE not set\n", current->pid);
+
+ t->set_priority_called = true;
+ t->saved_priority.sched_policy = task->policy;
+ t->saved_priority.prio = task->normal_prio;
+
+ trace_android_vh_binder_priority_skip(task, &skip);
+ if (skip)
+ return;
+
+ if (!inherit_rt && is_rt_policy(desired_prio.sched_policy)) {
+ desired_prio.prio = NICE_TO_PRIO(0);
+ desired_prio.sched_policy = SCHED_NORMAL;
+ }
+
+ if (node_prio.prio < t->priority.prio ||
+ (node_prio.prio == t->priority.prio &&
+ node_prio.sched_policy == SCHED_FIFO)) {
+ /*
+ * In case the minimum priority on the node is
+ * higher (lower value), use that priority. If
+ * the priority is the same, but the node uses
+ * SCHED_FIFO, prefer SCHED_FIFO, since it can
+ * run unbounded, unlike SCHED_RR.
+ */
+ desired_prio = node_prio;
+ }
+
+ binder_set_priority(task, desired_prio);
+ trace_android_vh_binder_set_priority(t, task);
}
static struct binder_node *binder_get_node_ilocked(struct binder_proc *proc,
@@ -1090,6 +814,7 @@ static struct binder_node *binder_init_node_ilocked(
binder_uintptr_t ptr = fp ? fp->binder : 0;
binder_uintptr_t cookie = fp ? fp->cookie : 0;
__u32 flags = fp ? fp->flags : 0;
+ s8 priority;
assert_spin_locked(&proc->inner_lock);
@@ -1122,8 +847,12 @@ static struct binder_node *binder_init_node_ilocked(
node->ptr = ptr;
node->cookie = cookie;
node->work.type = BINDER_WORK_NODE;
- node->min_priority = flags & FLAT_BINDER_FLAG_PRIORITY_MASK;
+ priority = flags & FLAT_BINDER_FLAG_PRIORITY_MASK;
+ node->sched_policy = (flags & FLAT_BINDER_FLAG_SCHED_POLICY_MASK) >>
+ FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT;
+ node->min_priority = to_kernel_prio(node->sched_policy, priority);
node->accept_fds = !!(flags & FLAT_BINDER_FLAG_ACCEPTS_FDS);
+ node->inherit_rt = !!(flags & FLAT_BINDER_FLAG_INHERIT_RT);
node->txn_security_ctx = !!(flags & FLAT_BINDER_FLAG_TXN_SECURITY_CTX);
spin_lock_init(&node->lock);
INIT_LIST_HEAD(&node->work.entry);
@@ -1473,6 +1202,7 @@ static struct binder_ref *binder_get_ref_for_node_olocked(
"%d new ref %d desc %d for node %d\n",
proc->pid, new_ref->data.debug_id, new_ref->data.desc,
node->debug_id);
+ trace_android_vh_binder_new_ref(proc->tsk, new_ref->data.desc, new_ref->node->debug_id);
binder_node_unlock(node);
return new_ref;
}
@@ -1640,6 +1370,7 @@ static struct binder_node *binder_get_node_from_ref(
*/
static void binder_free_ref(struct binder_ref *ref)
{
+ trace_android_vh_binder_del_ref(ref->proc ? ref->proc->tsk : 0, ref->data.desc);
if (ref->node)
binder_free_node(ref->node);
kfree(ref->death);
@@ -1902,6 +1633,12 @@ static void binder_free_transaction(struct binder_transaction *t)
if (target_proc) {
binder_inner_proc_lock(target_proc);
+ target_proc->outstanding_txns--;
+ if (target_proc->outstanding_txns < 0)
+ pr_warn("%s: Unexpected outstanding_txns %d\n",
+ __func__, target_proc->outstanding_txns);
+ if (!target_proc->outstanding_txns && target_proc->is_frozen)
+ wake_up_interruptible_all(&target_proc->freeze_wait);
if (t->buffer)
t->buffer->transaction = NULL;
binder_inner_proc_unlock(target_proc);
@@ -2443,7 +2180,8 @@ static int binder_translate_binder(struct flat_binder_object *fp,
ret = -EINVAL;
goto done;
}
- if (security_binder_transfer_binder(proc->cred, target_proc->cred)) {
+ if (security_binder_transfer_binder(binder_get_cred(proc),
+ binder_get_cred(target_proc))) {
ret = -EPERM;
goto done;
}
@@ -2489,7 +2227,8 @@ static int binder_translate_handle(struct flat_binder_object *fp,
proc->pid, thread->pid, fp->handle);
return -EINVAL;
}
- if (security_binder_transfer_binder(proc->cred, target_proc->cred)) {
+ if (security_binder_transfer_binder(binder_get_cred(proc),
+ binder_get_cred(target_proc))) {
ret = -EPERM;
goto done;
}
@@ -2577,7 +2316,8 @@ static int binder_translate_fd(u32 fd, binder_size_t fd_offset,
ret = -EBADF;
goto err_fget;
}
- ret = security_binder_transfer_file(proc->cred, target_proc->cred, file);
+ ret = security_binder_transfer_file(binder_get_cred(proc),
+ binder_get_cred(target_proc), file);
if (ret < 0) {
ret = -EPERM;
goto err_security;
@@ -2733,19 +2473,24 @@ static int binder_fixup_parent(struct binder_transaction *t,
* If the @thread parameter is not NULL, the transaction is always queued
* to the waitlist of that specific thread.
*
- * Return: true if the transactions was successfully queued
- * false if the target process or thread is dead
+ * Return: 0 if the transaction was successfully queued
+ * BR_DEAD_REPLY if the target process or thread is dead
+ * BR_FROZEN_REPLY if the target process or thread is frozen
*/
-static bool binder_proc_transaction(struct binder_transaction *t,
+static int binder_proc_transaction(struct binder_transaction *t,
struct binder_proc *proc,
struct binder_thread *thread)
{
struct binder_node *node = t->buffer->target_node;
+ struct binder_priority node_prio;
bool oneway = !!(t->flags & TF_ONE_WAY);
bool pending_async = false;
BUG_ON(!node);
binder_node_lock(node);
+ node_prio.prio = node->min_priority;
+ node_prio.sched_policy = node->sched_policy;
+
if (oneway) {
BUG_ON(thread);
if (node->has_async_transaction)
@@ -2755,30 +2500,42 @@ static bool binder_proc_transaction(struct binder_transaction *t,
}
binder_inner_proc_lock(proc);
+ if (proc->is_frozen) {
+ proc->sync_recv |= !oneway;
+ proc->async_recv |= oneway;
+ }
- if (proc->is_dead || (thread && thread->is_dead)) {
+ if ((proc->is_frozen && !oneway) || proc->is_dead ||
+ (thread && thread->is_dead)) {
binder_inner_proc_unlock(proc);
binder_node_unlock(node);
- return false;
+ return proc->is_frozen ? BR_FROZEN_REPLY : BR_DEAD_REPLY;
}
if (!thread && !pending_async)
thread = binder_select_thread_ilocked(proc);
- if (thread)
+ trace_android_vh_binder_proc_transaction(current, proc->tsk,
+ thread ? thread->task : 0, node->debug_id, t->code, pending_async);
+
+ if (thread) {
+ binder_transaction_priority(thread->task, t, node_prio,
+ node->inherit_rt);
binder_enqueue_thread_work_ilocked(thread, &t->work);
- else if (!pending_async)
+ } else if (!pending_async) {
binder_enqueue_work_ilocked(&t->work, &proc->todo);
- else
+ } else {
binder_enqueue_work_ilocked(&t->work, &node->async_todo);
+ }
if (!pending_async)
binder_wakeup_thread_ilocked(proc, thread, !oneway /* sync */);
+ proc->outstanding_txns++;
binder_inner_proc_unlock(proc);
binder_node_unlock(node);
- return true;
+ return 0;
}
/**
@@ -2891,7 +2648,6 @@ static void binder_transaction(struct binder_proc *proc,
}
thread->transaction_stack = in_reply_to->to_parent;
binder_inner_proc_unlock(proc);
- binder_set_nice(in_reply_to->saved_priority);
target_thread = binder_get_txn_from_and_acq_inner(in_reply_to);
if (target_thread == NULL) {
/* annotation for sparse */
@@ -2917,6 +2673,7 @@ static void binder_transaction(struct binder_proc *proc,
target_proc = target_thread->proc;
target_proc->tmp_ref++;
binder_inner_proc_unlock(target_thread->proc);
+ trace_android_vh_binder_reply(target_proc, proc, thread, tr);
} else {
if (tr->target.handle) {
struct binder_ref *ref;
@@ -2969,14 +2726,9 @@ static void binder_transaction(struct binder_proc *proc,
goto err_dead_binder;
}
e->to_node = target_node->debug_id;
- if (WARN_ON(proc == target_proc)) {
- return_error = BR_FAILED_REPLY;
- return_error_param = -EINVAL;
- return_error_line = __LINE__;
- goto err_invalid_target_handle;
- }
- if (security_binder_transaction(proc->cred,
- target_proc->cred) < 0) {
+ trace_android_vh_binder_trans(target_proc, proc, thread, tr);
+ if (security_binder_transaction(binder_get_cred(proc),
+ binder_get_cred(target_proc)) < 0) {
return_error = BR_FAILED_REPLY;
return_error_param = -EPERM;
return_error_line = __LINE__;
@@ -3044,6 +2796,7 @@ static void binder_transaction(struct binder_proc *proc,
if (target_thread)
e->to_thread = target_thread->pid;
e->to_proc = target_proc->pid;
+ trace_android_rvh_binder_transaction(target_proc, proc, thread, tr);
/* TODO: reuse incoming transaction for reply */
t = kzalloc(sizeof(*t), GFP_KERNEL);
@@ -3056,6 +2809,7 @@ static void binder_transaction(struct binder_proc *proc,
INIT_LIST_HEAD(&t->fd_fixups);
binder_stats_created(BINDER_STAT_TRANSACTION);
spin_lock_init(&t->lock);
+ trace_android_vh_binder_transaction_init(t);
tcomplete = kzalloc(sizeof(*tcomplete), GFP_KERNEL);
if (tcomplete == NULL) {
@@ -3096,14 +2850,41 @@ static void binder_transaction(struct binder_proc *proc,
t->to_thread = target_thread;
t->code = tr->code;
t->flags = tr->flags;
- t->priority = task_nice(current);
+ if (!(t->flags & TF_ONE_WAY) &&
+ binder_supported_policy(current->policy)) {
+ /* Inherit supported policies for synchronous transactions */
+ t->priority.sched_policy = current->policy;
+ t->priority.prio = current->normal_prio;
+ } else {
+ /* Otherwise, fall back to the default priority */
+ t->priority = target_proc->default_priority;
+ }
if (target_node && target_node->txn_security_ctx) {
u32 secid;
size_t added_size;
+ int max_retries = 100;
- security_cred_getsecid(proc->cred, &secid);
+ security_cred_getsecid(binder_get_cred(proc), &secid);
+ retry_alloc:
ret = security_secid_to_secctx(secid, &secctx, &secctx_sz);
+ if (ret == -ENOMEM && max_retries-- > 0) {
+ struct page *dummy_page;
+
+ /*
+ * security_secid_to_secctx() can fail because of a
+ * GFP_ATOMIC allocation in which case -ENOMEM is
+ * returned. This needs to be retried, but there is
+ * currently no way to tell userspace to retry so we
+ * do it here. We make sure there is still available
+ * memory first and then retry.
+ */
+ dummy_page = alloc_page(GFP_KERNEL);
+ if (dummy_page) {
+ __free_page(dummy_page);
+ goto retry_alloc;
+ }
+ }
if (ret) {
return_error = BR_FAILED_REPLY;
return_error_param = ret;
@@ -3409,21 +3190,28 @@ static void binder_transaction(struct binder_proc *proc,
goto err_bad_object_type;
}
}
- tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
+ if (t->buffer->oneway_spam_suspect)
+ tcomplete->type = BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT;
+ else
+ tcomplete->type = BINDER_WORK_TRANSACTION_COMPLETE;
t->work.type = BINDER_WORK_TRANSACTION;
if (reply) {
binder_enqueue_thread_work(thread, tcomplete);
binder_inner_proc_lock(target_proc);
if (target_thread->is_dead) {
+ return_error = BR_DEAD_REPLY;
binder_inner_proc_unlock(target_proc);
goto err_dead_proc_or_thread;
}
BUG_ON(t->buffer->async_transaction != 0);
binder_pop_transaction_ilocked(target_thread, in_reply_to);
binder_enqueue_thread_work_ilocked(target_thread, &t->work);
+ target_proc->outstanding_txns++;
binder_inner_proc_unlock(target_proc);
wake_up_interruptible_sync(&target_thread->wait);
+ trace_android_vh_binder_restore_priority(in_reply_to, current);
+ binder_restore_priority(current, in_reply_to->saved_priority);
binder_free_transaction(in_reply_to);
} else if (!(t->flags & TF_ONE_WAY)) {
BUG_ON(t->buffer->async_transaction != 0);
@@ -3440,7 +3228,9 @@ static void binder_transaction(struct binder_proc *proc,
t->from_parent = thread->transaction_stack;
thread->transaction_stack = t;
binder_inner_proc_unlock(proc);
- if (!binder_proc_transaction(t, target_proc, target_thread)) {
+ return_error = binder_proc_transaction(t,
+ target_proc, target_thread);
+ if (return_error) {
binder_inner_proc_lock(proc);
binder_pop_transaction_ilocked(thread, t);
binder_inner_proc_unlock(proc);
@@ -3450,7 +3240,8 @@ static void binder_transaction(struct binder_proc *proc,
BUG_ON(target_node == NULL);
BUG_ON(t->buffer->async_transaction != 1);
binder_enqueue_thread_work(thread, tcomplete);
- if (!binder_proc_transaction(t, target_proc, NULL))
+ return_error = binder_proc_transaction(t, target_proc, NULL);
+ if (return_error)
goto err_dead_proc_or_thread;
}
if (target_thread)
@@ -3467,7 +3258,6 @@ static void binder_transaction(struct binder_proc *proc,
return;
err_dead_proc_or_thread:
- return_error = BR_DEAD_REPLY;
return_error_line = __LINE__;
binder_dequeue_work(proc, tcomplete);
err_translate_failed:
@@ -3534,6 +3324,8 @@ static void binder_transaction(struct binder_proc *proc,
BUG_ON(thread->return_error.cmd != BR_OK);
if (in_reply_to) {
+ trace_android_vh_binder_restore_priority(in_reply_to, current);
+ binder_restore_priority(current, in_reply_to->saved_priority);
thread->return_error.cmd = BR_TRANSACTION_COMPLETE;
binder_enqueue_thread_work(thread, &thread->return_error.work);
binder_send_failed_reply(in_reply_to, return_error);
@@ -3632,17 +3424,10 @@ static int binder_thread_write(struct binder_proc *proc,
struct binder_node *ctx_mgr_node;
mutex_lock(&context->context_mgr_node_lock);
ctx_mgr_node = context->binder_context_mgr_node;
- if (ctx_mgr_node) {
- if (ctx_mgr_node->proc == proc) {
- binder_user_error("%d:%d context manager tried to acquire desc 0\n",
- proc->pid, thread->pid);
- mutex_unlock(&context->context_mgr_node_lock);
- return -EINVAL;
- }
+ if (ctx_mgr_node)
ret = binder_inc_ref_for_node(
proc, ctx_mgr_node,
strong, NULL, &rdata);
- }
mutex_unlock(&context->context_mgr_node_lock);
}
if (ret)
@@ -4093,12 +3878,13 @@ static int binder_wait_for_work(struct binder_thread *thread,
if (do_proc_work)
list_add(&thread->waiting_thread_node,
&proc->waiting_threads);
+ trace_android_vh_binder_wait_for_work(do_proc_work, thread, proc);
binder_inner_proc_unlock(proc);
schedule();
binder_inner_proc_lock(proc);
list_del_init(&thread->waiting_thread_node);
if (signal_pending(current)) {
- ret = -ERESTARTSYS;
+ ret = -EINTR;
break;
}
}
@@ -4210,7 +3996,8 @@ static int binder_thread_read(struct binder_proc *proc,
wait_event_interruptible(binder_user_error_wait,
binder_stop_on_user_error < 2);
}
- binder_set_nice(proc->default_priority);
+ trace_android_vh_binder_restore_priority(NULL, current);
+ binder_restore_priority(current, proc->default_priority);
}
if (non_block) {
@@ -4277,9 +4064,14 @@ static int binder_thread_read(struct binder_proc *proc,
binder_stat_br(proc, thread, cmd);
} break;
- case BINDER_WORK_TRANSACTION_COMPLETE: {
+ case BINDER_WORK_TRANSACTION_COMPLETE:
+ case BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT: {
+ if (proc->oneway_spam_detection_enabled &&
+ w->type == BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT)
+ cmd = BR_ONEWAY_SPAM_SUSPECT;
+ else
+ cmd = BR_TRANSACTION_COMPLETE;
binder_inner_proc_unlock(proc);
- cmd = BR_TRANSACTION_COMPLETE;
kfree(w);
binder_stats_deleted(BINDER_STAT_TRANSACTION_COMPLETE);
if (put_user(cmd, (uint32_t __user *)ptr))
@@ -4432,16 +4224,14 @@ static int binder_thread_read(struct binder_proc *proc,
BUG_ON(t->buffer == NULL);
if (t->buffer->target_node) {
struct binder_node *target_node = t->buffer->target_node;
+ struct binder_priority node_prio;
trd->target.ptr = target_node->ptr;
trd->cookie = target_node->cookie;
- t->saved_priority = task_nice(current);
- if (t->priority < target_node->min_priority &&
- !(t->flags & TF_ONE_WAY))
- binder_set_nice(t->priority);
- else if (!(t->flags & TF_ONE_WAY) ||
- t->saved_priority > target_node->min_priority)
- binder_set_nice(target_node->min_priority);
+ node_prio.sched_policy = target_node->sched_policy;
+ node_prio.prio = target_node->min_priority;
+ binder_transaction_priority(current, t, node_prio,
+ target_node->inherit_rt);
cmd = BR_TRANSACTION;
} else {
trd->target.ptr = 0;
@@ -4459,6 +4249,7 @@ static int binder_thread_read(struct binder_proc *proc,
trd->sender_pid =
task_tgid_nr_ns(sender,
task_active_pid_ns(current));
+ trace_android_vh_sync_txn_recvd(thread->task, t_from->task);
} else {
trd->sender_pid = 0;
}
@@ -4659,6 +4450,8 @@ static struct binder_thread *binder_get_thread_ilocked(
binder_stats_created(BINDER_STAT_THREAD);
thread->proc = proc;
thread->pid = current->pid;
+ get_task_struct(current);
+ thread->task = current;
atomic_set(&thread->tmp_ref, 0);
init_waitqueue_head(&thread->wait);
INIT_LIST_HEAD(&thread->todo);
@@ -4697,9 +4490,14 @@ static struct binder_thread *binder_get_thread(struct binder_proc *proc)
static void binder_free_proc(struct binder_proc *proc)
{
struct binder_device *device;
+ struct binder_proc_ext *eproc =
+ container_of(proc, struct binder_proc_ext, proc);
BUG_ON(!list_empty(&proc->todo));
BUG_ON(!list_empty(&proc->delivered_death));
+ if (proc->outstanding_txns)
+ pr_warn("%s: Unexpected outstanding_txns %d\n",
+ __func__, proc->outstanding_txns);
device = container_of(proc->context, struct binder_device, context);
if (refcount_dec_and_test(&device->ref)) {
kfree(proc->context->name);
@@ -4707,9 +4505,9 @@ static void binder_free_proc(struct binder_proc *proc)
}
binder_alloc_deferred_release(&proc->alloc);
put_task_struct(proc->tsk);
- put_cred(proc->cred);
+ put_cred(eproc->cred);
binder_stats_deleted(BINDER_STAT_PROC);
- kfree(proc);
+ kfree(eproc);
}
static void binder_free_thread(struct binder_thread *thread)
@@ -4717,6 +4515,7 @@ static void binder_free_thread(struct binder_thread *thread)
BUG_ON(!list_empty(&thread->todo));
binder_stats_deleted(BINDER_STAT_THREAD);
binder_proc_dec_tmpref(thread->proc);
+ put_task_struct(thread->task);
kfree(thread);
}
@@ -4762,6 +4561,7 @@ static int binder_thread_release(struct binder_proc *proc,
(t->to_thread == thread) ? "in" : "out");
if (t->to_thread == thread) {
+ thread->proc->outstanding_txns--;
t->to_proc = NULL;
t->to_thread = NULL;
if (t->buffer) {
@@ -4918,7 +4718,7 @@ static int binder_ioctl_set_ctx_mgr(struct file *filp,
ret = -EBUSY;
goto out;
}
- ret = security_binder_set_context_mgr(proc->cred);
+ ret = security_binder_set_context_mgr(binder_get_cred(proc));
if (ret < 0)
goto out;
if (uid_valid(context->binder_context_mgr_uid)) {
@@ -5012,6 +4812,100 @@ static int binder_ioctl_get_node_debug_info(struct binder_proc *proc,
return 0;
}
+static bool binder_txns_pending_ilocked(struct binder_proc *proc)
+{
+ struct rb_node *n;
+ struct binder_thread *thread;
+
+ if (proc->outstanding_txns > 0)
+ return true;
+
+ for (n = rb_first(&proc->threads); n; n = rb_next(n)) {
+ thread = rb_entry(n, struct binder_thread, rb_node);
+ if (thread->transaction_stack)
+ return true;
+ }
+ return false;
+}
+
+static int binder_ioctl_freeze(struct binder_freeze_info *info,
+ struct binder_proc *target_proc)
+{
+ int ret = 0;
+
+ if (!info->enable) {
+ binder_inner_proc_lock(target_proc);
+ target_proc->sync_recv = false;
+ target_proc->async_recv = false;
+ target_proc->is_frozen = false;
+ binder_inner_proc_unlock(target_proc);
+ return 0;
+ }
+
+ /*
+ * Freezing the target. Prevent new transactions by
+ * setting frozen state. If timeout specified, wait
+ * for transactions to drain.
+ */
+ binder_inner_proc_lock(target_proc);
+ target_proc->sync_recv = false;
+ target_proc->async_recv = false;
+ target_proc->is_frozen = true;
+ binder_inner_proc_unlock(target_proc);
+
+ if (info->timeout_ms > 0)
+ ret = wait_event_interruptible_timeout(
+ target_proc->freeze_wait,
+ (!target_proc->outstanding_txns),
+ msecs_to_jiffies(info->timeout_ms));
+
+ /* Check pending transactions that wait for reply */
+ if (ret >= 0) {
+ binder_inner_proc_lock(target_proc);
+ if (binder_txns_pending_ilocked(target_proc))
+ ret = -EAGAIN;
+ binder_inner_proc_unlock(target_proc);
+ }
+
+ if (ret < 0) {
+ binder_inner_proc_lock(target_proc);
+ target_proc->is_frozen = false;
+ binder_inner_proc_unlock(target_proc);
+ }
+
+ return ret;
+}
+
+static int binder_ioctl_get_freezer_info(
+ struct binder_frozen_status_info *info)
+{
+ struct binder_proc *target_proc;
+ bool found = false;
+ __u32 txns_pending;
+
+ info->sync_recv = 0;
+ info->async_recv = 0;
+
+ mutex_lock(&binder_procs_lock);
+ hlist_for_each_entry(target_proc, &binder_procs, proc_node) {
+ if (target_proc->pid == info->pid) {
+ found = true;
+ binder_inner_proc_lock(target_proc);
+ txns_pending = binder_txns_pending_ilocked(target_proc);
+ info->sync_recv |= target_proc->sync_recv |
+ (txns_pending << 1);
+ info->async_recv |= target_proc->async_recv;
+ binder_inner_proc_unlock(target_proc);
+ }
+ }
+ mutex_unlock(&binder_procs_lock);
+
+ if (!found)
+ return -EINVAL;
+
+ return 0;
+}
+
static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int ret;
@@ -5130,6 +5024,96 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
}
break;
}
+ case BINDER_FREEZE: {
+ struct binder_freeze_info info;
+ struct binder_proc **target_procs = NULL, *target_proc;
+ int target_procs_count = 0, i = 0;
+
+ ret = 0;
+
+ if (copy_from_user(&info, ubuf, sizeof(info))) {
+ ret = -EFAULT;
+ goto err;
+ }
+
+ mutex_lock(&binder_procs_lock);
+ hlist_for_each_entry(target_proc, &binder_procs, proc_node) {
+ if (target_proc->pid == info.pid)
+ target_procs_count++;
+ }
+
+ if (target_procs_count == 0) {
+ mutex_unlock(&binder_procs_lock);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ target_procs = kcalloc(target_procs_count,
+ sizeof(struct binder_proc *),
+ GFP_KERNEL);
+
+ if (!target_procs) {
+ mutex_unlock(&binder_procs_lock);
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ hlist_for_each_entry(target_proc, &binder_procs, proc_node) {
+ if (target_proc->pid != info.pid)
+ continue;
+
+ binder_inner_proc_lock(target_proc);
+ target_proc->tmp_ref++;
+ binder_inner_proc_unlock(target_proc);
+
+ target_procs[i++] = target_proc;
+ }
+ mutex_unlock(&binder_procs_lock);
+
+ for (i = 0; i < target_procs_count; i++) {
+ if (ret >= 0)
+ ret = binder_ioctl_freeze(&info,
+ target_procs[i]);
+
+ binder_proc_dec_tmpref(target_procs[i]);
+ }
+
+ kfree(target_procs);
+
+ if (ret < 0)
+ goto err;
+ break;
+ }
+ case BINDER_GET_FROZEN_INFO: {
+ struct binder_frozen_status_info info;
+
+ if (copy_from_user(&info, ubuf, sizeof(info))) {
+ ret = -EFAULT;
+ goto err;
+ }
+
+ ret = binder_ioctl_get_freezer_info(&info);
+ if (ret < 0)
+ goto err;
+
+ if (copy_to_user(ubuf, &info, sizeof(info))) {
+ ret = -EFAULT;
+ goto err;
+ }
+ break;
+ }
+ case BINDER_ENABLE_ONEWAY_SPAM_DETECTION: {
+ uint32_t enable;
+
+ if (copy_from_user(&enable, ubuf, sizeof(enable))) {
+ ret = -EFAULT;
+ goto err;
+ }
+ binder_inner_proc_lock(proc);
+ proc->oneway_spam_detection_enabled = (bool)enable;
+ binder_inner_proc_unlock(proc);
+ break;
+ }
default:
ret = -EINVAL;
goto err;
@@ -5139,7 +5123,7 @@ static long binder_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (thread)
thread->looper_need_return = false;
wait_event_interruptible(binder_user_error_wait, binder_stop_on_user_error < 2);
- if (ret && ret != -ERESTARTSYS)
+ if (ret && ret != -EINTR)
pr_info("%d:%d ioctl %x %lx returned %d\n", proc->pid, current->pid, cmd, arg, ret);
err_unlocked:
trace_binder_ioctl_done(ret);
@@ -5210,6 +5194,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
static int binder_open(struct inode *nodp, struct file *filp)
{
struct binder_proc *proc, *itr;
+ struct binder_proc_ext *eproc;
struct binder_device *binder_dev;
struct binderfs_info *info;
struct dentry *binder_binderfs_dir_entry_proc = NULL;
@@ -5218,16 +5203,25 @@ static int binder_open(struct inode *nodp, struct file *filp)
binder_debug(BINDER_DEBUG_OPEN_CLOSE, "%s: %d:%d\n", __func__,
current->group_leader->pid, current->pid);
- proc = kzalloc(sizeof(*proc), GFP_KERNEL);
+ eproc = kzalloc(sizeof(*eproc), GFP_KERNEL);
+ proc = &eproc->proc;
if (proc == NULL)
return -ENOMEM;
spin_lock_init(&proc->inner_lock);
spin_lock_init(&proc->outer_lock);
get_task_struct(current->group_leader);
proc->tsk = current->group_leader;
- proc->cred = get_cred(filp->f_cred);
+ eproc->cred = get_cred(filp->f_cred);
INIT_LIST_HEAD(&proc->todo);
- proc->default_priority = task_nice(current);
+ init_waitqueue_head(&proc->freeze_wait);
+ if (binder_supported_policy(current->policy)) {
+ proc->default_priority.sched_policy = current->policy;
+ proc->default_priority.prio = current->normal_prio;
+ } else {
+ proc->default_priority.sched_policy = SCHED_NORMAL;
+ proc->default_priority.prio = NICE_TO_PRIO(0);
+ }
+
/* binderfs stashes devices in i_private */
if (is_binderfs_device(nodp)) {
binder_dev = nodp->i_private;
@@ -5256,7 +5250,7 @@ static int binder_open(struct inode *nodp, struct file *filp)
}
hlist_add_head(&proc->proc_node, &binder_procs);
mutex_unlock(&binder_procs_lock);
-
+ trace_android_vh_binder_preset(&binder_procs, &binder_procs_lock);
if (binder_debugfs_dir_entry_proc && !existing_pid) {
char strbuf[11];
@@ -5439,6 +5433,9 @@ static void binder_deferred_release(struct binder_proc *proc)
proc->tmp_ref++;
proc->is_dead = true;
+ proc->is_frozen = false;
+ proc->sync_recv = false;
+ proc->async_recv = false;
threads = 0;
active_transactions = 0;
while ((n = rb_first(&proc->threads))) {
@@ -5547,15 +5544,17 @@ static void print_binder_transaction_ilocked(struct seq_file *m,
struct binder_buffer *buffer = t->buffer;
spin_lock(&t->lock);
+ trace_android_vh_binder_print_transaction_info(m, proc, prefix, t);
to_proc = t->to_proc;
seq_printf(m,
- "%s %d: %pK from %d:%d to %d:%d code %x flags %x pri %ld r%d",
+ "%s %d: %pK from %d:%d to %d:%d code %x flags %x pri %d:%d r%d",
prefix, t->debug_id, t,
t->from ? t->from->proc->pid : 0,
t->from ? t->from->pid : 0,
to_proc ? to_proc->pid : 0,
t->to_thread ? t->to_thread->pid : 0,
- t->code, t->flags, t->priority, t->need_reply);
+ t->code, t->flags, t->priority.sched_policy,
+ t->priority.prio, t->need_reply);
spin_unlock(&t->lock);
if (proc != to_proc) {
@@ -5673,8 +5672,9 @@ static void print_binder_node_nilocked(struct seq_file *m,
hlist_for_each_entry(ref, &node->refs, node_entry)
count++;
- seq_printf(m, " node %d: u%016llx c%016llx hs %d hw %d ls %d lw %d is %d iw %d tr %d",
+ seq_printf(m, " node %d: u%016llx c%016llx pri %d:%d hs %d hw %d ls %d lw %d is %d iw %d tr %d",
node->debug_id, (u64)node->ptr, (u64)node->cookie,
+ node->sched_policy, node->min_priority,
node->has_strong_ref, node->has_weak_ref,
node->local_strong_refs, node->local_weak_refs,
node->internal_strong_refs, count, node->tmp_refs);
@@ -5789,7 +5789,9 @@ static const char * const binder_return_strings[] = {
"BR_FINISHED",
"BR_DEAD_BINDER",
"BR_CLEAR_DEATH_NOTIFICATION_DONE",
- "BR_FAILED_REPLY"
+ "BR_FAILED_REPLY",
+ "BR_FROZEN_REPLY",
+ "BR_ONEWAY_SPAM_SUSPECT",
};
static const char * const binder_command_strings[] = {
@@ -6196,5 +6198,6 @@ device_initcall(binder_init);
#define CREATE_TRACE_POINTS
#include "binder_trace.h"
+EXPORT_TRACEPOINT_SYMBOL_GPL(binder_transaction_received);
MODULE_LICENSE("GPL v2");
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
index 7caf74a..34d8fe2 100644
--- a/drivers/android/binder_alloc.c
+++ b/drivers/android/binder_alloc.c
@@ -25,6 +25,7 @@
#include <linux/sizes.h>
#include "binder_alloc.h"
#include "binder_trace.h"
+#include <trace/hooks/binder.h>
struct list_lru binder_alloc_lru;
@@ -338,7 +339,7 @@ static inline struct vm_area_struct *binder_alloc_get_vma(
return vma;
}
-static void debug_low_async_space_locked(struct binder_alloc *alloc, int pid)
+static bool debug_low_async_space_locked(struct binder_alloc *alloc, int pid)
{
/*
* Find the amount and size of buffers allocated by the current caller;
@@ -366,13 +367,19 @@ static void debug_low_async_space_locked(struct binder_alloc *alloc, int pid)
/*
* Warn if this pid has more than 50 transactions, or more than 50% of
- * async space (which is 25% of total buffer size).
+ * async space (which is 25% of total buffer size). Oneway spam is only
+ * detected when the threshold is exceeded.
*/
if (num_buffers > 50 || total_alloc_size > alloc->buffer_size / 4) {
binder_alloc_debug(BINDER_DEBUG_USER_ERROR,
"%d: pid %d spamming oneway? %zd buffers allocated for a total size of %zd\n",
alloc->pid, pid, num_buffers, total_alloc_size);
+ if (!alloc->oneway_spam_detected) {
+ alloc->oneway_spam_detected = true;
+ return true;
+ }
}
+ return false;
}
static struct binder_buffer *binder_alloc_new_buf_locked(
@@ -415,6 +422,7 @@ static struct binder_buffer *binder_alloc_new_buf_locked(
alloc->pid, extra_buffers_size);
return ERR_PTR(-EINVAL);
}
+ trace_android_vh_binder_alloc_new_buf_locked(size, alloc, is_async);
if (is_async &&
alloc->free_async_space < size + sizeof(struct binder_buffer)) {
binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC,
@@ -525,6 +533,7 @@ static struct binder_buffer *binder_alloc_new_buf_locked(
buffer->async_transaction = is_async;
buffer->extra_buffers_size = extra_buffers_size;
buffer->pid = pid;
+ buffer->oneway_spam_suspect = false;
if (is_async) {
alloc->free_async_space -= size + sizeof(struct binder_buffer);
binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC,
@@ -536,7 +545,9 @@ static struct binder_buffer *binder_alloc_new_buf_locked(
* of async space left (which is less than 10% of total
* buffer size).
*/
- debug_low_async_space_locked(alloc, pid);
+ buffer->oneway_spam_suspect = debug_low_async_space_locked(alloc, pid);
+ } else {
+ alloc->oneway_spam_detected = false;
}
}
return buffer;
diff --git a/drivers/android/binder_alloc.h b/drivers/android/binder_alloc.h
index 6e8e001..7dea57a 100644
--- a/drivers/android/binder_alloc.h
+++ b/drivers/android/binder_alloc.h
@@ -26,6 +26,8 @@ struct binder_transaction;
* @clear_on_free: %true if buffer must be zeroed after use
* @allow_user_free: %true if user is allowed to free buffer
* @async_transaction: %true if buffer is in use for an async txn
+ * @oneway_spam_suspect: %true if total async allocate size just exceed
+ * spamming detect threshold
* @debug_id: unique ID for debugging
* @transaction: pointer to associated struct binder_transaction
* @target_node: struct binder_node associated with this buffer
@@ -45,7 +47,8 @@ struct binder_buffer {
unsigned clear_on_free:1;
unsigned allow_user_free:1;
unsigned async_transaction:1;
- unsigned debug_id:28;
+ unsigned oneway_spam_suspect:1;
+ unsigned debug_id:27;
struct binder_transaction *transaction;
@@ -87,6 +90,8 @@ struct binder_lru_page {
* @buffer_size: size of address space specified via mmap
* @pid: pid for associated binder_proc (invariant after init)
* @pages_high: high watermark of offset in @pages
+ * @oneway_spam_detected: %true if oneway spam detection fired, clear that
+ * flag once the async buffer has returned to a healthy state
*
* Bookkeeping structure for per-proc address space management for binder
* buffers. It is normally initialized during binder_init() and binder_mmap()
@@ -107,6 +112,7 @@ struct binder_alloc {
uint32_t buffer_free;
int pid;
size_t pages_high;
+ bool oneway_spam_detected;
};
#ifdef CONFIG_ANDROID_BINDER_IPC_SELFTEST
diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h
index 283d3cb..93f0239 100644
--- a/drivers/android/binder_internal.h
+++ b/drivers/android/binder_internal.h
@@ -12,6 +12,8 @@
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/uidgid.h>
+#include <uapi/linux/android/binderfs.h>
+#include "binder_alloc.h"
struct binder_context {
struct binder_node *binder_context_mgr_node;
@@ -141,6 +143,483 @@ struct binder_transaction_log {
struct binder_transaction_log_entry entry[32];
};
+enum binder_stat_types {
+ BINDER_STAT_PROC,
+ BINDER_STAT_THREAD,
+ BINDER_STAT_NODE,
+ BINDER_STAT_REF,
+ BINDER_STAT_DEATH,
+ BINDER_STAT_TRANSACTION,
+ BINDER_STAT_TRANSACTION_COMPLETE,
+ BINDER_STAT_COUNT
+};
+
+struct binder_stats {
+ atomic_t br[_IOC_NR(BR_ONEWAY_SPAM_SUSPECT) + 1];
+ atomic_t bc[_IOC_NR(BC_REPLY_SG) + 1];
+ atomic_t obj_created[BINDER_STAT_COUNT];
+ atomic_t obj_deleted[BINDER_STAT_COUNT];
+};
+
+/**
+ * struct binder_work - work enqueued on a worklist
+ * @entry: node enqueued on list
+ * @type: type of work to be performed
+ *
+ * There are separate work lists for proc, thread, and node (async).
+ */
+struct binder_work {
+ struct list_head entry;
+
+ enum binder_work_type {
+ BINDER_WORK_TRANSACTION = 1,
+ BINDER_WORK_TRANSACTION_COMPLETE,
+ BINDER_WORK_TRANSACTION_ONEWAY_SPAM_SUSPECT,
+ BINDER_WORK_RETURN_ERROR,
+ BINDER_WORK_NODE,
+ BINDER_WORK_DEAD_BINDER,
+ BINDER_WORK_DEAD_BINDER_AND_CLEAR,
+ BINDER_WORK_CLEAR_DEATH_NOTIFICATION,
+ } type;
+};
+
+struct binder_error {
+ struct binder_work work;
+ uint32_t cmd;
+};
+
+/**
+ * struct binder_node - binder node bookkeeping
+ * @debug_id: unique ID for debugging
+ * (invariant after initialized)
+ * @lock: lock for node fields
+ * @work: worklist element for node work
+ * (protected by @proc->inner_lock)
+ * @rb_node: element for proc->nodes tree
+ * (protected by @proc->inner_lock)
+ * @dead_node: element for binder_dead_nodes list
+ * (protected by binder_dead_nodes_lock)
+ * @proc: binder_proc that owns this node
+ * (invariant after initialized)
+ * @refs: list of references on this node
+ * (protected by @lock)
+ * @internal_strong_refs: used to take strong references when
+ * initiating a transaction
+ * (protected by @proc->inner_lock if @proc
+ * and by @lock)
+ * @local_weak_refs: weak user refs from local process
+ * (protected by @proc->inner_lock if @proc
+ * and by @lock)
+ * @local_strong_refs: strong user refs from local process
+ * (protected by @proc->inner_lock if @proc
+ * and by @lock)
+ * @tmp_refs: temporary kernel refs
+ * (protected by @proc->inner_lock while @proc
+ * is valid, and by binder_dead_nodes_lock
+ * if @proc is NULL. During inc/dec and node release
+ * it is also protected by @lock to provide safety
+ * as the node dies and @proc becomes NULL)
+ * @ptr: userspace pointer for node
+ * (invariant, no lock needed)
+ * @cookie: userspace cookie for node
+ * (invariant, no lock needed)
+ * @has_strong_ref: userspace notified of strong ref
+ * (protected by @proc->inner_lock if @proc
+ * and by @lock)
+ * @pending_strong_ref: userspace has acked notification of strong ref
+ * (protected by @proc->inner_lock if @proc
+ * and by @lock)
+ * @has_weak_ref: userspace notified of weak ref
+ * (protected by @proc->inner_lock if @proc
+ * and by @lock)
+ * @pending_weak_ref: userspace has acked notification of weak ref
+ * (protected by @proc->inner_lock if @proc
+ * and by @lock)
+ * @has_async_transaction: async transaction to node in progress
+ * (protected by @lock)
+ * @sched_policy: minimum scheduling policy for node
+ * (invariant after initialized)
+ * @accept_fds: file descriptor operations supported for node
+ * (invariant after initialized)
+ * @min_priority: minimum scheduling priority
+ * (invariant after initialized)
+ * @inherit_rt: inherit RT scheduling policy from caller
+ * @txn_security_ctx: require sender's security context
+ * (invariant after initialized)
+ * @async_todo: list of async work items
+ * (protected by @proc->inner_lock)
+ *
+ * Bookkeeping structure for binder nodes.
+ */
+struct binder_node {
+ int debug_id;
+ spinlock_t lock;
+ struct binder_work work;
+ union {
+ struct rb_node rb_node;
+ struct hlist_node dead_node;
+ };
+ struct binder_proc *proc;
+ struct hlist_head refs;
+ int internal_strong_refs;
+ int local_weak_refs;
+ int local_strong_refs;
+ int tmp_refs;
+ binder_uintptr_t ptr;
+ binder_uintptr_t cookie;
+ struct {
+ /*
+ * bitfield elements protected by
+ * proc inner_lock
+ */
+ u8 has_strong_ref:1;
+ u8 pending_strong_ref:1;
+ u8 has_weak_ref:1;
+ u8 pending_weak_ref:1;
+ };
+ struct {
+ /*
+ * invariant after initialization
+ */
+ u8 sched_policy:2;
+ u8 inherit_rt:1;
+ u8 accept_fds:1;
+ u8 txn_security_ctx:1;
+ u8 min_priority;
+ };
+ bool has_async_transaction;
+ struct list_head async_todo;
+};
+
+struct binder_ref_death {
+ /**
+ * @work: worklist element for death notifications
+ * (protected by inner_lock of the proc that
+ * this ref belongs to)
+ */
+ struct binder_work work;
+ binder_uintptr_t cookie;
+};
+
+/**
+ * struct binder_ref_data - binder_ref counts and id
+ * @debug_id: unique ID for the ref
+ * @desc: unique userspace handle for ref
+ * @strong: strong ref count (debugging only if not locked)
+ * @weak: weak ref count (debugging only if not locked)
+ *
+ * Structure to hold ref count and ref id information. Since
+ * the actual ref can only be accessed with a lock, this structure
+ * is used to return information about the ref to callers of
+ * ref inc/dec functions.
+ */
+struct binder_ref_data {
+ int debug_id;
+ uint32_t desc;
+ int strong;
+ int weak;
+};
+
+/**
+ * struct binder_ref - struct to track references on nodes
+ * @data: binder_ref_data containing id, handle, and current refcounts
+ * @rb_node_desc: node for lookup by @data.desc in proc's rb_tree
+ * @rb_node_node: node for lookup by @node in proc's rb_tree
+ * @node_entry: list entry for node->refs list in target node
+ * (protected by @node->lock)
+ * @proc: binder_proc containing ref
+ * @node: binder_node of target node. When cleaning up a
+ * ref for deletion in binder_cleanup_ref, a non-NULL
+ * @node indicates the node must be freed
+ * @death: pointer to death notification (ref_death) if requested
+ * (protected by @node->lock)
+ *
+ * Structure to track references from procA to target node (on procB). This
+ * structure is unsafe to access without holding @proc->outer_lock.
+ */
+struct binder_ref {
+ /* Lookups needed: */
+ /* node + proc => ref (transaction) */
+ /* desc + proc => ref (transaction, inc/dec ref) */
+ /* node => refs + procs (proc exit) */
+ struct binder_ref_data data;
+ struct rb_node rb_node_desc;
+ struct rb_node rb_node_node;
+ struct hlist_node node_entry;
+ struct binder_proc *proc;
+ struct binder_node *node;
+ struct binder_ref_death *death;
+};
+
+/**
+ * struct binder_priority - scheduler policy and priority
+ * @sched_policy scheduler policy
+ * @prio [100..139] for SCHED_NORMAL, [0..99] for FIFO/RT
+ *
+ * The binder driver supports inheriting the following scheduler policies:
+ * SCHED_NORMAL
+ * SCHED_BATCH
+ * SCHED_FIFO
+ * SCHED_RR
+ */
+struct binder_priority {
+ unsigned int sched_policy;
+ int prio;
+};
+
+/**
+ * struct binder_proc - binder process bookkeeping
+ * @proc_node: element for binder_procs list
+ * @threads: rbtree of binder_threads in this proc
+ * (protected by @inner_lock)
+ * @nodes: rbtree of binder nodes associated with
+ * this proc ordered by node->ptr
+ * (protected by @inner_lock)
+ * @refs_by_desc: rbtree of refs ordered by ref->desc
+ * (protected by @outer_lock)
+ * @refs_by_node: rbtree of refs ordered by ref->node
+ * (protected by @outer_lock)
+ * @waiting_threads: threads currently waiting for proc work
+ * (protected by @inner_lock)
+ * @pid PID of group_leader of process
+ * (invariant after initialized)
+ * @tsk task_struct for group_leader of process
+ * (invariant after initialized)
+ * @deferred_work_node: element for binder_deferred_list
+ * (protected by binder_deferred_lock)
+ * @deferred_work: bitmap of deferred work to perform
+ * (protected by binder_deferred_lock)
+ * @outstanding_txns: number of transactions to be transmitted before
+ * processes in freeze_wait are woken up
+ * (protected by @inner_lock)
+ * @is_dead: process is dead and awaiting free
+ * when outstanding transactions are cleaned up
+ * (protected by @inner_lock)
+ * @is_frozen: process is frozen and unable to service
+ * binder transactions
+ * (protected by @inner_lock)
+ * @sync_recv: process received sync transactions since last frozen
+ * bit 0: received sync transaction after being frozen
+ * bit 1: new pending sync transaction during freezing
+ * (protected by @inner_lock)
+ * @async_recv: process received async transactions since last frozen
+ * (protected by @inner_lock)
+ * @freeze_wait: waitqueue of processes waiting for all outstanding
+ * transactions to be processed
+ * (protected by @inner_lock)
+ * @todo: list of work for this process
+ * (protected by @inner_lock)
+ * @stats: per-process binder statistics
+ * (atomics, no lock needed)
+ * @delivered_death: list of delivered death notification
+ * (protected by @inner_lock)
+ * @max_threads: cap on number of binder threads
+ * (protected by @inner_lock)
+ * @requested_threads: number of binder threads requested but not
+ * yet started. In current implementation, can
+ * only be 0 or 1.
+ * (protected by @inner_lock)
+ * @requested_threads_started: number binder threads started
+ * (protected by @inner_lock)
+ * @tmp_ref: temporary reference to indicate proc is in use
+ * (protected by @inner_lock)
+ * @default_priority: default scheduler priority
+ * (invariant after initialized)
+ * @debugfs_entry: debugfs node
+ * @alloc: binder allocator bookkeeping
+ * @context: binder_context for this proc
+ * (invariant after initialized)
+ * @inner_lock: can nest under outer_lock and/or node lock
+ * @outer_lock: no nesting under innor or node lock
+ * Lock order: 1) outer, 2) node, 3) inner
+ * @binderfs_entry: process-specific binderfs log file
+ * @oneway_spam_detection_enabled: process enabled oneway spam detection
+ * or not
+ *
+ * Bookkeeping structure for binder processes
+ */
+struct binder_proc {
+ struct hlist_node proc_node;
+ struct rb_root threads;
+ struct rb_root nodes;
+ struct rb_root refs_by_desc;
+ struct rb_root refs_by_node;
+ struct list_head waiting_threads;
+ int pid;
+ struct task_struct *tsk;
+ struct hlist_node deferred_work_node;
+ int deferred_work;
+ int outstanding_txns;
+ bool is_dead;
+ bool is_frozen;
+ bool sync_recv;
+ bool async_recv;
+ wait_queue_head_t freeze_wait;
+
+ struct list_head todo;
+ struct binder_stats stats;
+ struct list_head delivered_death;
+ int max_threads;
+ int requested_threads;
+ int requested_threads_started;
+ int tmp_ref;
+ struct binder_priority default_priority;
+ struct dentry *debugfs_entry;
+ struct binder_alloc alloc;
+ struct binder_context *context;
+ spinlock_t inner_lock;
+ spinlock_t outer_lock;
+ struct dentry *binderfs_entry;
+ bool oneway_spam_detection_enabled;
+};
+
+/**
+ * struct binder_proc_ext - binder process bookkeeping
+ * @proc: element for binder_procs list
+ * @cred struct cred associated with the `struct file`
+ * in binder_open()
+ * (invariant after initialized)
+ *
+ * Extended binder_proc -- needed to add the "cred" field without
+ * changing the KMI for binder_proc.
+ */
+struct binder_proc_ext {
+ struct binder_proc proc;
+ const struct cred *cred;
+};
+
+static inline const struct cred *binder_get_cred(struct binder_proc *proc)
+{
+ struct binder_proc_ext *eproc;
+
+ eproc = container_of(proc, struct binder_proc_ext, proc);
+ return eproc->cred;
+}
+
+/**
+ * struct binder_thread - binder thread bookkeeping
+ * @proc: binder process for this thread
+ * (invariant after initialization)
+ * @rb_node: element for proc->threads rbtree
+ * (protected by @proc->inner_lock)
+ * @waiting_thread_node: element for @proc->waiting_threads list
+ * (protected by @proc->inner_lock)
+ * @pid: PID for this thread
+ * (invariant after initialization)
+ * @looper: bitmap of looping state
+ * (only accessed by this thread)
+ * @looper_needs_return: looping thread needs to exit driver
+ * (no lock needed)
+ * @transaction_stack: stack of in-progress transactions for this thread
+ * (protected by @proc->inner_lock)
+ * @todo: list of work to do for this thread
+ * (protected by @proc->inner_lock)
+ * @process_todo: whether work in @todo should be processed
+ * (protected by @proc->inner_lock)
+ * @return_error: transaction errors reported by this thread
+ * (only accessed by this thread)
+ * @reply_error: transaction errors reported by target thread
+ * (protected by @proc->inner_lock)
+ * @wait: wait queue for thread work
+ * @stats: per-thread statistics
+ * (atomics, no lock needed)
+ * @tmp_ref: temporary reference to indicate thread is in use
+ * (atomic since @proc->inner_lock cannot
+ * always be acquired)
+ * @is_dead: thread is dead and awaiting free
+ * when outstanding transactions are cleaned up
+ * (protected by @proc->inner_lock)
+ * @task: struct task_struct for this thread
+ *
+ * Bookkeeping structure for binder threads.
+ */
+struct binder_thread {
+ struct binder_proc *proc;
+ struct rb_node rb_node;
+ struct list_head waiting_thread_node;
+ int pid;
+ int looper; /* only modified by this thread */
+ bool looper_need_return; /* can be written by other thread */
+ struct binder_transaction *transaction_stack;
+ struct list_head todo;
+ bool process_todo;
+ struct binder_error return_error;
+ struct binder_error reply_error;
+ wait_queue_head_t wait;
+ struct binder_stats stats;
+ atomic_t tmp_ref;
+ bool is_dead;
+ struct task_struct *task;
+};
+
+/**
+ * struct binder_txn_fd_fixup - transaction fd fixup list element
+ * @fixup_entry: list entry
+ * @file: struct file to be associated with new fd
+ * @offset: offset in buffer data to this fixup
+ *
+ * List element for fd fixups in a transaction. Since file
+ * descriptors need to be allocated in the context of the
+ * target process, we pass each fd to be processed in this
+ * struct.
+ */
+struct binder_txn_fd_fixup {
+ struct list_head fixup_entry;
+ struct file *file;
+ size_t offset;
+};
+
+struct binder_transaction {
+ int debug_id;
+ struct binder_work work;
+ struct binder_thread *from;
+ struct binder_transaction *from_parent;
+ struct binder_proc *to_proc;
+ struct binder_thread *to_thread;
+ struct binder_transaction *to_parent;
+ unsigned need_reply:1;
+ /* unsigned is_dead:1; */ /* not used at the moment */
+
+ struct binder_buffer *buffer;
+ unsigned int code;
+ unsigned int flags;
+ struct binder_priority priority;
+ struct binder_priority saved_priority;
+ bool set_priority_called;
+ kuid_t sender_euid;
+ struct list_head fd_fixups;
+ binder_uintptr_t security_ctx;
+ /**
+ * @lock: protects @from, @to_proc, and @to_thread
+ *
+ * @from, @to_proc, and @to_thread can be set to NULL
+ * during thread teardown
+ */
+ spinlock_t lock;
+ ANDROID_VENDOR_DATA(1);
+ ANDROID_OEM_DATA_ARRAY(1, 2);
+};
+
+/**
+ * struct binder_object - union of flat binder object types
+ * @hdr: generic object header
+ * @fbo: binder object (nodes and refs)
+ * @fdo: file descriptor object
+ * @bbo: binder buffer pointer
+ * @fdao: file descriptor array
+ *
+ * Used for type-independent object copies
+ */
+struct binder_object {
+ union {
+ struct binder_object_header hdr;
+ struct flat_binder_object fbo;
+ struct binder_fd_object fdo;
+ struct binder_buffer_object bbo;
+ struct binder_fd_array_object fdao;
+ };
+};
+
extern struct binder_transaction_log binder_transaction_log;
extern struct binder_transaction_log binder_transaction_log_failed;
#endif /* _LINUX_BINDER_INTERNAL_H */
diff --git a/drivers/android/binder_trace.h b/drivers/android/binder_trace.h
index 6731c3c..a70e237 100644
--- a/drivers/android/binder_trace.h
+++ b/drivers/android/binder_trace.h
@@ -76,6 +76,30 @@ DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_ioctl_done);
DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_write_done);
DEFINE_BINDER_FUNCTION_RETURN_EVENT(binder_read_done);
+TRACE_EVENT(binder_set_priority,
+ TP_PROTO(int proc, int thread, unsigned int old_prio,
+ unsigned int desired_prio, unsigned int new_prio),
+ TP_ARGS(proc, thread, old_prio, new_prio, desired_prio),
+
+ TP_STRUCT__entry(
+ __field(int, proc)
+ __field(int, thread)
+ __field(unsigned int, old_prio)
+ __field(unsigned int, new_prio)
+ __field(unsigned int, desired_prio)
+ ),
+ TP_fast_assign(
+ __entry->proc = proc;
+ __entry->thread = thread;
+ __entry->old_prio = old_prio;
+ __entry->new_prio = new_prio;
+ __entry->desired_prio = desired_prio;
+ ),
+ TP_printk("proc=%d thread=%d old=%d => new=%d desired=%d",
+ __entry->proc, __entry->thread, __entry->old_prio,
+ __entry->new_prio, __entry->desired_prio)
+);
+
TRACE_EVENT(binder_wait_for_work,
TP_PROTO(bool proc_work, bool transaction_stack, bool thread_todo),
TP_ARGS(proc_work, transaction_stack, thread_todo),
diff --git a/drivers/android/debug_symbols.c b/drivers/android/debug_symbols.c
new file mode 100644
index 0000000..6a4a6f8
--- /dev/null
+++ b/drivers/android/debug_symbols.c
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/android_debug_symbols.h>
+#include <asm/stacktrace.h>
+#include <asm/sections.h>
+
+#include <linux/cma.h>
+#include "../../mm/slab.h"
+#include <linux/memblock.h>
+#include <linux/page_owner.h>
+#include <linux/swap.h>
+#include <linux/mm.h>
+#include <linux/security.h>
+
+struct ads_entry {
+ char *name;
+ void *addr;
+};
+
+#define _ADS_ENTRY(index, symbol) \
+ [index] = { .name = #symbol, .addr = (void *)symbol }
+#define ADS_ENTRY(index, symbol) _ADS_ENTRY(index, symbol)
+
+#define _ADS_PER_CPU_ENTRY(index, symbol) \
+ [index] = { .name = #symbol, .addr = (void *)&symbol }
+#define ADS_PER_CPU_ENTRY(index, symbol) _ADS_PER_CPU_ENTRY(index, symbol)
+
+/*
+ * This module maintains static array of symbol and address information.
+ * Add all required core kernel symbols and their addresses into ads_entries[] array,
+ * so that vendor modules can query and to find address of non-exported symbol.
+ */
+static const struct ads_entry ads_entries[ADS_END] = {
+ ADS_ENTRY(ADS_SDATA, _sdata),
+ ADS_ENTRY(ADS_BSS_END, __bss_stop),
+ ADS_ENTRY(ADS_PER_CPU_START, __per_cpu_start),
+ ADS_ENTRY(ADS_PER_CPU_END, __per_cpu_end),
+ ADS_ENTRY(ADS_START_RO_AFTER_INIT, __start_ro_after_init),
+ ADS_ENTRY(ADS_END_RO_AFTER_INIT, __end_ro_after_init),
+ ADS_ENTRY(ADS_LINUX_BANNER, linux_banner),
+#ifdef CONFIG_CMA
+ ADS_ENTRY(ADS_TOTAL_CMA, &totalcma_pages),
+#endif
+ ADS_ENTRY(ADS_SLAB_CACHES, &slab_caches),
+ ADS_ENTRY(ADS_SLAB_MUTEX, &slab_mutex),
+ ADS_ENTRY(ADS_MIN_LOW_PFN, &min_low_pfn),
+ ADS_ENTRY(ADS_MAX_PFN, &max_pfn),
+#ifdef CONFIG_PAGE_OWNER
+ ADS_ENTRY(ADS_PAGE_OWNER_ENABLED, &page_owner_enabled),
+#endif
+#ifdef CONFIG_SLUB_DEBUG
+ ADS_ENTRY(ADS_SLUB_DEBUG, &slub_debug),
+#endif
+#ifdef CONFIG_SWAP
+ ADS_ENTRY(ADS_NR_SWAP_PAGES, &nr_swap_pages),
+#endif
+#ifdef CONFIG_MMU
+ ADS_ENTRY(ADS_MMAP_MIN_ADDR, &mmap_min_addr),
+#endif
+ ADS_ENTRY(ADS_STACK_GUARD_GAP, &stack_guard_gap),
+#ifdef CONFIG_SYSCTL
+ ADS_ENTRY(ADS_SYSCTL_LEGACY_VA_LAYOUT, &sysctl_legacy_va_layout),
+#endif
+};
+
+/*
+ * ads_per_cpu_entries array contains all the per_cpu variable address information.
+ */
+static const struct ads_entry ads_per_cpu_entries[ADS_DEBUG_PER_CPU_END] = {
+#ifdef CONFIG_ARM64
+ ADS_PER_CPU_ENTRY(ADS_IRQ_STACK_PTR, irq_stack_ptr),
+#endif
+#ifdef CONFIG_X86
+ ADS_PER_CPU_ENTRY(ADS_IRQ_STACK_PTR, hardirq_stack_ptr),
+#endif
+};
+
+/*
+ * android_debug_symbol - Provide address inforamtion of debug symbol.
+ * @symbol: Index of debug symbol array.
+ *
+ * Return address of core kernel symbol on success and a negative errno will be
+ * returned in error cases.
+ *
+ */
+void *android_debug_symbol(enum android_debug_symbol symbol)
+{
+ if (symbol >= ADS_END)
+ return ERR_PTR(-EINVAL);
+
+ return ads_entries[symbol].addr;
+}
+EXPORT_SYMBOL_GPL(android_debug_symbol);
+
+/*
+ * android_debug_per_cpu_symbol - Provide address inforamtion of per cpu debug symbol.
+ * @symbol: Index of per cpu debug symbol array.
+ *
+ * Return address of core kernel symbol on success and a negative errno will be
+ * returned in error cases.
+ *
+ */
+void *android_debug_per_cpu_symbol(enum android_debug_per_cpu_symbol symbol)
+{
+ if (symbol >= ADS_DEBUG_PER_CPU_END)
+ return ERR_PTR(-EINVAL);
+
+ return ads_per_cpu_entries[symbol].addr;
+}
+EXPORT_SYMBOL_GPL(android_debug_per_cpu_symbol);
+
+static int __init debug_symbol_init(void)
+{
+ return 0;
+}
+module_init(debug_symbol_init);
+
+static void __exit debug_symbol_exit(void)
+{ }
+module_exit(debug_symbol_exit);
+
+MODULE_DESCRIPTION("Debug Symbol Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c
new file mode 100644
index 0000000..17f42e7
--- /dev/null
+++ b/drivers/android/vendor_hooks.c
@@ -0,0 +1,401 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* vendor_hook.c
+ *
+ * Android Vendor Hook Support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#define CREATE_TRACE_POINTS
+#include <trace/hooks/vendor_hooks.h>
+#include <trace/hooks/sched.h>
+#include <trace/hooks/cpu.h>
+#include <trace/hooks/fpsimd.h>
+#include <trace/hooks/binder.h>
+#include <trace/hooks/rwsem.h>
+#include <trace/hooks/futex.h>
+#include <trace/hooks/dtask.h>
+#include <trace/hooks/cpuidle.h>
+#include <trace/hooks/topology.h>
+#include <trace/hooks/gic.h>
+#include <trace/hooks/wqlockup.h>
+#include <trace/hooks/debug.h>
+#include <trace/hooks/sysrqcrash.h>
+#include <trace/hooks/printk.h>
+#include <trace/hooks/gic_v3.h>
+#include <trace/hooks/epoch.h>
+#include <trace/hooks/cpufreq.h>
+#include <trace/hooks/fs.h>
+#include <trace/hooks/i2c.h>
+#include <trace/hooks/mm.h>
+#include <trace/hooks/preemptirq.h>
+#include <trace/hooks/ftrace_dump.h>
+#include <trace/hooks/pm_domain.h>
+#include <trace/hooks/bug.h>
+#include <trace/hooks/timer.h>
+#include <trace/hooks/softlockup.h>
+#include <trace/hooks/power.h>
+#include <trace/hooks/fault.h>
+#include <trace/hooks/iommu.h>
+#include <trace/hooks/thermal.h>
+#include <trace/hooks/ufshcd.h>
+#include <trace/hooks/block.h>
+#include <trace/hooks/cgroup.h>
+#include <trace/hooks/workqueue.h>
+#include <trace/hooks/sys.h>
+#include <trace/hooks/traps.h>
+#include <trace/hooks/avc.h>
+#include <trace/hooks/creds.h>
+#include <trace/hooks/module.h>
+#include <trace/hooks/memory.h>
+#include <trace/hooks/typec.h>
+#include <trace/hooks/gpiolib.h>
+#include <trace/hooks/signal.h>
+#include <trace/hooks/logbuf.h>
+#include <trace/hooks/vmscan.h>
+#include <trace/hooks/psi.h>
+#include <trace/hooks/selinux.h>
+#include <trace/hooks/hung_task.h>
+#include <trace/hooks/mmc_core.h>
+#include <trace/hooks/v4l2core.h>
+#include <trace/hooks/v4l2mc.h>
+#include <trace/hooks/scmi.h>
+#include <trace/hooks/user.h>
+#include <trace/hooks/cpuidle_psci.h>
+#include <trace/hooks/fips140.h>
+#include <trace/hooks/remoteproc.h>
+#include <trace/hooks/shmem_fs.h>
+#include <trace/hooks/net.h>
+#include <trace/hooks/syscall_check.h>
+#include <trace/hooks/usb.h>
+#include <trace/hooks/ipv6.h>
+#include <trace/hooks/sound.h>
+#include <trace/hooks/snd_compr.h>
+#include <trace/hooks/ipv4.h>
+#include <trace/hooks/pci.h>
+
+/*
+ * Export tracepoints that act as a bare tracehook (ie: have no trace event
+ * associated with them) to allow external modules to probe them.
+ */
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_task_rq_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_task_rq_rt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_select_fallback_rq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_refrigerator);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_scheduler_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_enqueue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_can_migrate_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_lowest_rq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_rtmutex_prepare_setprio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_prepare_prio_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_finish_prio_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_user_nice);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_setscheduler);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sk_alloc);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sk_free);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_nf_conn_alloc);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_nf_conn_free);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_arch_set_freq_scale);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_is_fpsimd_save);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_transaction_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_priority_skip);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_set_priority);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_restore_priority);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_wakeup_ilocked);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_send_sig_info);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_process_killed);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_wake);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_finished);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_rwsem_list_add);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_futex_plist_add);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rtmutex_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rtmutex_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_read_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_read_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_wait_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_write_wait_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sched_show_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shmem_alloc_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_idle_enter);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_idle_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_busiest_group);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_gic_resume);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_wq_lockup_pool);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ipi_stop);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sysrq_crash);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dump_throttled_rt_tasks);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_printk_hotplug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_jiffies_update);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_gic_v3_set_affinity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_gic_v3_affinity_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_suspend_epoch_val);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_resume_epoch_val);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_max_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_table_limits);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_resolve_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_fast_switch);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_target);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_newidle_balance);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_nohz_balancer_kick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_rebalance_domains);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_busiest_queue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_migrate_queued_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_resume_cpus);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_energy_efficient_cpu);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_iowait);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_overutilized);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_setaffinity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_cpus_allowed);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_skip_swapcache_flags);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_gfp_zone_flags);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_readahead_gfp_mask);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_preempt_disable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_preempt_enable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_irqs_disable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_irqs_enable);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_task_cpu);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_try_to_wake_up);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_try_to_wake_up_success);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_wake_up_new_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_new_task_stats);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_flush_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_tick_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_schedule);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_cpu_starting);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_cpu_dying);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_account_irq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_place_entity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_build_perf_domains);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_cpu_capacity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_misfit_status);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_attach);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_can_attach);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_online);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_fork_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_ttwu_cond);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_schedule_bug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_exec);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_oops_enter);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_oops_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_size_check);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_format_check);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ftrace_dump_buffer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_allow_domain_state);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_map_util_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_report_bug);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_em_cpu_energy);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_up);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpu_down);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_balance_rt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_timer_calc_index);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_watchdog_timer_softlockup);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_freeze_todo);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_freeze_todo_unfrozen);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_task_idle);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_die_kernel_fault);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sea);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_mem_abort);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sp_pc_abort);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_setup_dma_ops);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_alloc_iova);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_iovad_alloc_iova);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_free_iova);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_iovad_free_iova);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_pick_next_entity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_check_preempt_wakeup);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rmqueue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_pagecache_get_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_filemap_fault_get_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_filemap_fault_cache_page);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_enable_thermal_genl_check);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_thermal_pm_notify_suspend);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_fill_prdt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_ufs_complete_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_ufs_reprogram_all_keys);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_prepare_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_update_sysfs);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_send_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_compl_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_send_uic_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_send_tm_command);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_check_int_errors);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_update_sdev);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_clock_scaling);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_wake_up_sync);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_wake_flags);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_uclamp_eff_get);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpufreq_transition);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cgroup_set_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cgroup_force_kthread_migration);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_syscall_prctl_finished);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_create_worker);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_check_preempt_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_check_preempt_wakeup_ignore);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_replace_next_task_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sched_yield);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_wait_for_work);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sync_txn_recvd);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_build_sched_domains);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alter_mutex_list_add);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mutex_unlock_slowpath);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rwsem_wake_finish);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_undefinstr);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_bti);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_ptrauth_fault);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_bad_mode);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_arm64_serror_panic);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_insert);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_node_delete);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_node_replace);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_avc_lookup);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_blk_alloc_rqs);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_blk_rq_ctx_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_commit_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exit_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_override_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_revert_creds);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_x);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_nx);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_ro);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_memory_rw);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_module_permit_before_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_module_permit_after_init);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_util_est_update);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_meminfo_proc_show);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exit_mm);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_get_from_fragment_pool);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exclude_reserved_zone);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_include_reserved_zone);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_pages_slowpath);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_mem);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_print_slabinfo_header);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_shrink_slab);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cache_show);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpci_override_toggling);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_chk_contaminant);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_typec_tcpci_get_vbus);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_store_partner_src_caps);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_account_task_time);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_irqtime_account_process_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_gpio_block_read);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ep_create_wakeup_source);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_timerfd_create);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_alloc_new_buf_locked);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_reply);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_trans);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_binder_transaction);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_preset);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_proc_transaction);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_new_ref);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_del_ref);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_post_init_entity_util_avg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_get_timer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_adj_current_limit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_logbuf);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_logbuf_pr_cont);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_scan_type);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_swappiness);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_slab_bypass);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_psi_event);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_psi_group);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpuset_fork);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_cpus_allowed_comm);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sched_setaffinity_early);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_free_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dup_task_struct);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_after_enqueue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_after_dequeue_task);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_enqueue_entity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_entity);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_entity_tick);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_enqueue_task_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_dequeue_task_fair);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sched_stat_runtime_rt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_prepare_update_load_avg_se);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_finish_update_load_avg_se);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_selinux_is_initialized);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_inactive_ratio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_update_topology_flags_workfn);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_of_i2c_get_board_info);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cgroup_attach);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_dirty_limits);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_oom_check_panic);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_uninterruptible_tasks);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_uninterruptible_tasks_dn);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_blk_reset);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_blk_mq_rw_recovery);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sd_update_bus_speed_mode);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_attach_sd);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sdhci_get_cd);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmc_gpio_cd_irqt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_save_vmalloc_stack);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_show_stack_hash);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_save_track_hash);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_vmpressure);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_task_comm);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpufreq_acct_update_power);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_typec_tcpm_log);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_media_device_setup_link);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_media_device_setup_link);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_clear_reserved_fmt_fields);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_fill_ext_fmtdesc);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_clear_mask_adjust);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_v4l2subdev_set_selection);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_v4l2subdev_set_selection);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_v4l2subdev_set_fmt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_v4l2subdev_set_fmt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_v4l2subdev_set_frame_interval);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_v4l2subdev_set_frame_interval);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_scmi_timeout_sync);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_new_ilb);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_uid);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_free_user);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_add_request);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_update_request);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_freq_qos_remove_request);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_set_balance_anon_file_reclaim);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_enter);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cpuidle_psci_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sha256);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_aes_expandkey);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_aes_encrypt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_aes_decrypt);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_force_compatible_pre);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_force_compatible_post);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_print_transaction_info);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_setscheduler_uclamp);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rproc_recovery);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rproc_recovery_set);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ptype_head);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_kfree_skb);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_mmap_file);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_file_open);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_check_bpf_syscall);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_usb_dev_suspend);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_usb_dev_resume);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ipv6_gen_linklocal_addr);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_sound_usb_support_cpu_suspend);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_snd_compr_use_pause_in_drain);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_snd_soc_card_get_comp_chain);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_show_max_freq);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_tcp_sendmsg_locked);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_tcp_recvmsg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_udp_sendmsg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_udp_recvmsg);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_tcp_recvmsg_stat);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_pci_d3_sleep);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_kmalloc_slab);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mmap_region);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_try_to_unmap_one);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_id_remove);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_css_offline);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_css_online);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_free);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mem_cgroup_alloc);
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index de8587c..f87f3b2 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -20,6 +20,7 @@
#include <linux/percpu.h>
#include <linux/sched.h>
#include <linux/smp.h>
+#include <trace/hooks/topology.h>
bool topology_scale_freq_invariant(void)
{
@@ -32,6 +33,7 @@ __weak bool arch_freq_counters_available(const struct cpumask *cpus)
return false;
}
DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE;
+EXPORT_PER_CPU_SYMBOL_GPL(freq_scale);
void topology_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq,
unsigned long max_freq)
@@ -52,11 +54,14 @@ void topology_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq,
scale = (cur_freq << SCHED_CAPACITY_SHIFT) / max_freq;
+ trace_android_vh_arch_set_freq_scale(cpus, cur_freq, max_freq, &scale);
+
for_each_cpu(i, cpus)
per_cpu(freq_scale, i) = scale;
}
DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;
+EXPORT_PER_CPU_SYMBOL_GPL(cpu_scale);
void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)
{
@@ -64,6 +69,7 @@ void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)
}
DEFINE_PER_CPU(unsigned long, thermal_pressure);
+EXPORT_PER_CPU_SYMBOL_GPL(thermal_pressure);
void topology_set_thermal_pressure(const struct cpumask *cpus,
unsigned long th_pressure)
@@ -73,6 +79,7 @@ void topology_set_thermal_pressure(const struct cpumask *cpus,
for_each_cpu(cpu, cpus)
WRITE_ONCE(per_cpu(thermal_pressure, cpu), th_pressure);
}
+EXPORT_SYMBOL_GPL(topology_set_thermal_pressure);
static ssize_t cpu_capacity_show(struct device *dev,
struct device_attribute *attr,
@@ -108,6 +115,8 @@ static int register_cpu_capacity_sysctl(void)
subsys_initcall(register_cpu_capacity_sysctl);
static int update_topology;
+bool topology_update_done;
+EXPORT_SYMBOL_GPL(topology_update_done);
int topology_update_cpu_topology(void)
{
@@ -122,6 +131,8 @@ static void update_topology_flags_workfn(struct work_struct *work)
{
update_topology = 1;
rebuild_sched_domains();
+ topology_update_done = true;
+ trace_android_vh_update_topology_flags_workfn(NULL);
pr_debug("sched_domain hierarchy rebuilt, flags updated\n");
update_topology = 0;
}
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 389d136..44721da 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -46,15 +46,123 @@ early_param("sysfs.deprecated", sysfs_deprecated_setup);
#endif
/* Device links support. */
-static LIST_HEAD(wait_for_suppliers);
-static DEFINE_MUTEX(wfs_lock);
static LIST_HEAD(deferred_sync);
static unsigned int defer_sync_state_count = 1;
-static unsigned int defer_fw_devlink_count;
-static LIST_HEAD(deferred_fw_devlink);
-static DEFINE_MUTEX(defer_fw_devlink_lock);
+static DEFINE_MUTEX(fwnode_link_lock);
static bool fw_devlink_is_permissive(void);
+/**
+ * fwnode_link_add - Create a link between two fwnode_handles.
+ * @con: Consumer end of the link.
+ * @sup: Supplier end of the link.
+ *
+ * Create a fwnode link between fwnode handles @con and @sup. The fwnode link
+ * represents the detail that the firmware lists @sup fwnode as supplying a
+ * resource to @con.
+ *
+ * The driver core will use the fwnode link to create a device link between the
+ * two device objects corresponding to @con and @sup when they are created. The
+ * driver core will automatically delete the fwnode link between @con and @sup
+ * after doing that.
+ *
+ * Attempts to create duplicate links between the same pair of fwnode handles
+ * are ignored and there is no reference counting.
+ */
+int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup)
+{
+ struct fwnode_link *link;
+ int ret = 0;
+
+ mutex_lock(&fwnode_link_lock);
+
+ list_for_each_entry(link, &sup->consumers, s_hook)
+ if (link->consumer == con)
+ goto out;
+
+ link = kzalloc(sizeof(*link), GFP_KERNEL);
+ if (!link) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ link->supplier = sup;
+ INIT_LIST_HEAD(&link->s_hook);
+ link->consumer = con;
+ INIT_LIST_HEAD(&link->c_hook);
+
+ list_add(&link->s_hook, &sup->consumers);
+ list_add(&link->c_hook, &con->suppliers);
+out:
+ mutex_unlock(&fwnode_link_lock);
+
+ return ret;
+}
+
+/**
+ * fwnode_links_purge_suppliers - Delete all supplier links of fwnode_handle.
+ * @fwnode: fwnode whose supplier links need to be deleted
+ *
+ * Deletes all supplier links connecting directly to @fwnode.
+ */
+static void fwnode_links_purge_suppliers(struct fwnode_handle *fwnode)
+{
+ struct fwnode_link *link, *tmp;
+
+ mutex_lock(&fwnode_link_lock);
+ list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook) {
+ list_del(&link->s_hook);
+ list_del(&link->c_hook);
+ kfree(link);
+ }
+ mutex_unlock(&fwnode_link_lock);
+}
+
+/**
+ * fwnode_links_purge_consumers - Delete all consumer links of fwnode_handle.
+ * @fwnode: fwnode whose consumer links need to be deleted
+ *
+ * Deletes all consumer links connecting directly to @fwnode.
+ */
+static void fwnode_links_purge_consumers(struct fwnode_handle *fwnode)
+{
+ struct fwnode_link *link, *tmp;
+
+ mutex_lock(&fwnode_link_lock);
+ list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook) {
+ list_del(&link->s_hook);
+ list_del(&link->c_hook);
+ kfree(link);
+ }
+ mutex_unlock(&fwnode_link_lock);
+}
+
+/**
+ * fwnode_links_purge - Delete all links connected to a fwnode_handle.
+ * @fwnode: fwnode whose links needs to be deleted
+ *
+ * Deletes all links connecting directly to a fwnode.
+ */
+void fwnode_links_purge(struct fwnode_handle *fwnode)
+{
+ fwnode_links_purge_suppliers(fwnode);
+ fwnode_links_purge_consumers(fwnode);
+}
+
+static void fw_devlink_purge_absent_suppliers(struct fwnode_handle *fwnode)
+{
+ struct fwnode_handle *child;
+
+ /* Don't purge consumer links of an added child */
+ if (fwnode->dev)
+ return;
+
+ fwnode->flags |= FWNODE_FLAG_NOT_DEVICE;
+ fwnode_links_purge_consumers(fwnode);
+
+ fwnode_for_each_available_child_node(fwnode, child)
+ fw_devlink_purge_absent_suppliers(child);
+}
+
#ifdef CONFIG_SRCU
static DEFINE_MUTEX(device_links_lock);
DEFINE_STATIC_SRCU(device_links_srcu);
@@ -88,6 +196,12 @@ static void device_link_synchronize_removal(void)
{
synchronize_srcu(&device_links_srcu);
}
+
+static void device_link_remove_from_lists(struct device_link *link)
+{
+ list_del_rcu(&link->s_node);
+ list_del_rcu(&link->c_node);
+}
#else /* !CONFIG_SRCU */
static DECLARE_RWSEM(device_links_lock);
@@ -122,6 +236,12 @@ int device_links_read_lock_held(void)
static inline void device_link_synchronize_removal(void)
{
}
+
+static void device_link_remove_from_lists(struct device_link *link)
+{
+ list_del(&link->s_node);
+ list_del(&link->c_node);
+}
#endif /* !CONFIG_SRCU */
static bool device_is_ancestor(struct device *dev, struct device *target)
@@ -160,7 +280,8 @@ int device_is_dependent(struct device *dev, void *target)
return ret;
list_for_each_entry(link, &dev->links.consumers, s_node) {
- if (link->flags == (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
+ if ((link->flags & ~DL_FLAG_INFERRED) ==
+ (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
continue;
if (link->consumer == target)
@@ -233,7 +354,8 @@ static int device_reorder_to_tail(struct device *dev, void *not_used)
device_for_each_child(dev, NULL, device_reorder_to_tail);
list_for_each_entry(link, &dev->links.consumers, s_node) {
- if (link->flags == (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
+ if ((link->flags & ~DL_FLAG_INFERRED) ==
+ (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
continue;
device_reorder_to_tail(link->consumer, NULL);
}
@@ -483,7 +605,8 @@ postcore_initcall(devlink_class_init);
#define DL_MANAGED_LINK_FLAGS (DL_FLAG_AUTOREMOVE_CONSUMER | \
DL_FLAG_AUTOREMOVE_SUPPLIER | \
DL_FLAG_AUTOPROBE_CONSUMER | \
- DL_FLAG_SYNC_STATE_ONLY)
+ DL_FLAG_SYNC_STATE_ONLY | \
+ DL_FLAG_INFERRED)
#define DL_ADD_VALID_FLAGS (DL_MANAGED_LINK_FLAGS | DL_FLAG_STATELESS | \
DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE)
@@ -553,7 +676,7 @@ struct device_link *device_link_add(struct device *consumer,
flags & ~DL_ADD_VALID_FLAGS ||
(flags & DL_FLAG_STATELESS && flags & DL_MANAGED_LINK_FLAGS) ||
(flags & DL_FLAG_SYNC_STATE_ONLY &&
- flags != DL_FLAG_SYNC_STATE_ONLY) ||
+ (flags & ~DL_FLAG_INFERRED) != DL_FLAG_SYNC_STATE_ONLY) ||
(flags & DL_FLAG_AUTOPROBE_CONSUMER &&
flags & (DL_FLAG_AUTOREMOVE_CONSUMER |
DL_FLAG_AUTOREMOVE_SUPPLIER)))
@@ -587,6 +710,17 @@ struct device_link *device_link_add(struct device *consumer,
}
/*
+ * SYNC_STATE_ONLY links are useless once a consumer device has probed.
+ * So, only create it if the consumer hasn't probed yet.
+ */
+ if (flags & DL_FLAG_SYNC_STATE_ONLY &&
+ consumer->links.status != DL_DEV_NO_DRIVER &&
+ consumer->links.status != DL_DEV_PROBING) {
+ link = NULL;
+ goto out;
+ }
+
+ /*
* DL_FLAG_AUTOREMOVE_SUPPLIER indicates that the link will be needed
* longer than for DL_FLAG_AUTOREMOVE_CONSUMER and setting them both
* together doesn't make sense, so prefer DL_FLAG_AUTOREMOVE_SUPPLIER.
@@ -598,6 +732,10 @@ struct device_link *device_link_add(struct device *consumer,
if (link->consumer != consumer)
continue;
+ if (link->flags & DL_FLAG_INFERRED &&
+ !(flags & DL_FLAG_INFERRED))
+ link->flags &= ~DL_FLAG_INFERRED;
+
if (flags & DL_FLAG_PM_RUNTIME) {
if (!(link->flags & DL_FLAG_PM_RUNTIME)) {
pm_runtime_new_link(consumer);
@@ -727,75 +865,6 @@ struct device_link *device_link_add(struct device *consumer,
}
EXPORT_SYMBOL_GPL(device_link_add);
-/**
- * device_link_wait_for_supplier - Add device to wait_for_suppliers list
- * @consumer: Consumer device
- *
- * Marks the @consumer device as waiting for suppliers to become available by
- * adding it to the wait_for_suppliers list. The consumer device will never be
- * probed until it's removed from the wait_for_suppliers list.
- *
- * The caller is responsible for adding the links to the supplier devices once
- * they are available and removing the @consumer device from the
- * wait_for_suppliers list once links to all the suppliers have been created.
- *
- * This function is NOT meant to be called from the probe function of the
- * consumer but rather from code that creates/adds the consumer device.
- */
-static void device_link_wait_for_supplier(struct device *consumer,
- bool need_for_probe)
-{
- mutex_lock(&wfs_lock);
- list_add_tail(&consumer->links.needs_suppliers, &wait_for_suppliers);
- consumer->links.need_for_probe = need_for_probe;
- mutex_unlock(&wfs_lock);
-}
-
-static void device_link_wait_for_mandatory_supplier(struct device *consumer)
-{
- device_link_wait_for_supplier(consumer, true);
-}
-
-static void device_link_wait_for_optional_supplier(struct device *consumer)
-{
- device_link_wait_for_supplier(consumer, false);
-}
-
-/**
- * device_link_add_missing_supplier_links - Add links from consumer devices to
- * supplier devices, leaving any
- * consumer with inactive suppliers on
- * the wait_for_suppliers list
- *
- * Loops through all consumers waiting on suppliers and tries to add all their
- * supplier links. If that succeeds, the consumer device is removed from
- * wait_for_suppliers list. Otherwise, they are left in the wait_for_suppliers
- * list. Devices left on the wait_for_suppliers list will not be probed.
- *
- * The fwnode add_links callback is expected to return 0 if it has found and
- * added all the supplier links for the consumer device. It should return an
- * error if it isn't able to do so.
- *
- * The caller of device_link_wait_for_supplier() is expected to call this once
- * it's aware of potential suppliers becoming available.
- */
-static void device_link_add_missing_supplier_links(void)
-{
- struct device *dev, *tmp;
-
- mutex_lock(&wfs_lock);
- list_for_each_entry_safe(dev, tmp, &wait_for_suppliers,
- links.needs_suppliers) {
- int ret = fwnode_call_int_op(dev->fwnode, add_links, dev);
- if (!ret)
- list_del_init(&dev->links.needs_suppliers);
- else if (ret != -ENODEV || fw_devlink_is_permissive())
- dev->links.need_for_probe = false;
- }
- mutex_unlock(&wfs_lock);
-}
-
-#ifdef CONFIG_SRCU
static void __device_link_del(struct kref *kref)
{
struct device_link *link = container_of(kref, struct device_link, kref);
@@ -805,25 +874,9 @@ static void __device_link_del(struct kref *kref)
pm_runtime_drop_link(link);
- list_del_rcu(&link->s_node);
- list_del_rcu(&link->c_node);
+ device_link_remove_from_lists(link);
device_unregister(&link->link_dev);
}
-#else /* !CONFIG_SRCU */
-static void __device_link_del(struct kref *kref)
-{
- struct device_link *link = container_of(kref, struct device_link, kref);
-
- dev_info(link->consumer, "Dropping the link to %s\n",
- dev_name(link->supplier));
-
- pm_runtime_drop_link(link);
-
- list_del(&link->s_node);
- list_del(&link->c_node);
- device_unregister(&link->link_dev);
-}
-#endif /* !CONFIG_SRCU */
static void device_link_put_kref(struct device_link *link)
{
@@ -920,13 +973,17 @@ int device_links_check_suppliers(struct device *dev)
* Device waiting for supplier to become available is not allowed to
* probe.
*/
- mutex_lock(&wfs_lock);
- if (!list_empty(&dev->links.needs_suppliers) &&
- dev->links.need_for_probe) {
- mutex_unlock(&wfs_lock);
+ mutex_lock(&fwnode_link_lock);
+ if (dev->fwnode && !list_empty(&dev->fwnode->suppliers) &&
+ !fw_devlink_is_permissive()) {
+ dev_dbg(dev, "probe deferral - wait for supplier %pfwP\n",
+ list_first_entry(&dev->fwnode->suppliers,
+ struct fwnode_link,
+ c_hook)->supplier);
+ mutex_unlock(&fwnode_link_lock);
return -EPROBE_DEFER;
}
- mutex_unlock(&wfs_lock);
+ mutex_unlock(&fwnode_link_lock);
device_links_write_lock();
@@ -937,6 +994,8 @@ int device_links_check_suppliers(struct device *dev)
if (link->status != DL_STATE_AVAILABLE &&
!(link->flags & DL_FLAG_SYNC_STATE_ONLY)) {
device_links_missing_supplier(dev);
+ dev_dbg(dev, "probe deferral - supplier %s not ready\n",
+ dev_name(link->supplier));
ret = -EPROBE_DEFER;
break;
}
@@ -990,11 +1049,11 @@ static void __device_links_queue_sync_state(struct device *dev,
*/
dev->state_synced = true;
- if (WARN_ON(!list_empty(&dev->links.defer_hook)))
+ if (WARN_ON(!list_empty(&dev->links.defer_sync)))
return;
get_device(dev);
- list_add_tail(&dev->links.defer_hook, list);
+ list_add_tail(&dev->links.defer_sync, list);
}
/**
@@ -1012,8 +1071,8 @@ static void device_links_flush_sync_list(struct list_head *list,
{
struct device *dev, *tmp;
- list_for_each_entry_safe(dev, tmp, list, links.defer_hook) {
- list_del_init(&dev->links.defer_hook);
+ list_for_each_entry_safe(dev, tmp, list, links.defer_sync) {
+ list_del_init(&dev->links.defer_sync);
if (dev != dont_lock_dev)
device_lock(dev);
@@ -1051,12 +1110,12 @@ void device_links_supplier_sync_state_resume(void)
if (defer_sync_state_count)
goto out;
- list_for_each_entry_safe(dev, tmp, &deferred_sync, links.defer_hook) {
+ list_for_each_entry_safe(dev, tmp, &deferred_sync, links.defer_sync) {
/*
* Delete from deferred_sync list before queuing it to
- * sync_list because defer_hook is used for both lists.
+ * sync_list because defer_sync is used for both lists.
*/
- list_del_init(&dev->links.defer_hook);
+ list_del_init(&dev->links.defer_sync);
__device_links_queue_sync_state(dev, &sync_list);
}
out:
@@ -1074,8 +1133,8 @@ late_initcall(sync_state_resume_initcall);
static void __device_links_supplier_defer_sync(struct device *sup)
{
- if (list_empty(&sup->links.defer_hook) && dev_has_sync_state(sup))
- list_add_tail(&sup->links.defer_hook, &deferred_sync);
+ if (list_empty(&sup->links.defer_sync) && dev_has_sync_state(sup))
+ list_add_tail(&sup->links.defer_sync, &deferred_sync);
}
static void device_link_drop_managed(struct device_link *link)
@@ -1092,10 +1151,7 @@ static ssize_t waiting_for_supplier_show(struct device *dev,
bool val;
device_lock(dev);
- mutex_lock(&wfs_lock);
- val = !list_empty(&dev->links.needs_suppliers)
- && dev->links.need_for_probe;
- mutex_unlock(&wfs_lock);
+ val = !list_empty(&dev->fwnode->suppliers);
device_unlock(dev);
return sysfs_emit(buf, "%u\n", val);
}
@@ -1118,13 +1174,22 @@ void device_links_driver_bound(struct device *dev)
LIST_HEAD(sync_list);
/*
- * If a device probes successfully, it's expected to have created all
+ * If a device binds successfully, it's expected to have created all
* the device links it needs to or make new device links as it needs
- * them. So, it no longer needs to wait on any suppliers.
+ * them. So, fw_devlink no longer needs to create device links to any
+ * of the device's suppliers.
+ *
+ * Also, if a child firmware node of this bound device is not added as
+ * a device by now, assume it is never going to be added and make sure
+ * other devices don't defer probe indefinitely by waiting for such a
+ * child device.
*/
- mutex_lock(&wfs_lock);
- list_del_init(&dev->links.needs_suppliers);
- mutex_unlock(&wfs_lock);
+ if (dev->fwnode && dev->fwnode->dev == dev) {
+ struct fwnode_handle *child;
+ fwnode_links_purge_suppliers(dev->fwnode);
+ fwnode_for_each_available_child_node(dev->fwnode, child)
+ fw_devlink_purge_absent_suppliers(child);
+ }
device_remove_file(dev, &dev_attr_waiting_for_supplier);
device_links_write_lock();
@@ -1305,7 +1370,7 @@ void device_links_driver_cleanup(struct device *dev)
WRITE_ONCE(link->status, DL_STATE_DORMANT);
}
- list_del_init(&dev->links.defer_hook);
+ list_del_init(&dev->links.defer_sync);
__device_links_no_driver(dev);
device_links_write_unlock();
@@ -1415,10 +1480,6 @@ static void device_links_purge(struct device *dev)
if (dev->class == &devlink_class)
return;
- mutex_lock(&wfs_lock);
- list_del_init(&dev->links.needs_suppliers);
- mutex_unlock(&wfs_lock);
-
/*
* Delete all of the remaining links from this device to any other
* devices (either consumers or suppliers).
@@ -1439,7 +1500,14 @@ static void device_links_purge(struct device *dev)
device_links_write_unlock();
}
-static u32 fw_devlink_flags = DL_FLAG_SYNC_STATE_ONLY;
+#define FW_DEVLINK_FLAGS_PERMISSIVE (DL_FLAG_INFERRED | \
+ DL_FLAG_SYNC_STATE_ONLY)
+#define FW_DEVLINK_FLAGS_ON (DL_FLAG_INFERRED | \
+ DL_FLAG_AUTOPROBE_CONSUMER)
+#define FW_DEVLINK_FLAGS_RPM (FW_DEVLINK_FLAGS_ON | \
+ DL_FLAG_PM_RUNTIME)
+
+static u32 fw_devlink_flags = FW_DEVLINK_FLAGS_ON;
static int __init fw_devlink_setup(char *arg)
{
if (!arg)
@@ -1448,17 +1516,23 @@ static int __init fw_devlink_setup(char *arg)
if (strcmp(arg, "off") == 0) {
fw_devlink_flags = 0;
} else if (strcmp(arg, "permissive") == 0) {
- fw_devlink_flags = DL_FLAG_SYNC_STATE_ONLY;
+ fw_devlink_flags = FW_DEVLINK_FLAGS_PERMISSIVE;
} else if (strcmp(arg, "on") == 0) {
- fw_devlink_flags = DL_FLAG_AUTOPROBE_CONSUMER;
+ fw_devlink_flags = FW_DEVLINK_FLAGS_ON;
} else if (strcmp(arg, "rpm") == 0) {
- fw_devlink_flags = DL_FLAG_AUTOPROBE_CONSUMER |
- DL_FLAG_PM_RUNTIME;
+ fw_devlink_flags = FW_DEVLINK_FLAGS_RPM;
}
return 0;
}
early_param("fw_devlink", fw_devlink_setup);
+static bool fw_devlink_strict = true;
+static int __init fw_devlink_strict_setup(char *arg)
+{
+ return strtobool(arg, &fw_devlink_strict);
+}
+early_param("fw_devlink.strict", fw_devlink_strict_setup);
+
u32 fw_devlink_get_flags(void)
{
return fw_devlink_flags;
@@ -1466,142 +1540,346 @@ u32 fw_devlink_get_flags(void)
static bool fw_devlink_is_permissive(void)
{
- return fw_devlink_flags == DL_FLAG_SYNC_STATE_ONLY;
+ return fw_devlink_flags == FW_DEVLINK_FLAGS_PERMISSIVE;
+}
+
+bool fw_devlink_is_strict(void)
+{
+ return fw_devlink_strict && !fw_devlink_is_permissive();
+}
+
+static void fw_devlink_parse_fwnode(struct fwnode_handle *fwnode)
+{
+ if (fwnode->flags & FWNODE_FLAG_LINKS_ADDED)
+ return;
+
+ fwnode_call_int_op(fwnode, add_links);
+ fwnode->flags |= FWNODE_FLAG_LINKS_ADDED;
+}
+
+static void fw_devlink_parse_fwtree(struct fwnode_handle *fwnode)
+{
+ struct fwnode_handle *child = NULL;
+
+ fw_devlink_parse_fwnode(fwnode);
+
+ while ((child = fwnode_get_next_available_child_node(fwnode, child)))
+ fw_devlink_parse_fwtree(child);
+}
+
+/**
+ * fw_devlink_relax_cycle - Convert cyclic links to SYNC_STATE_ONLY links
+ * @con: Device to check dependencies for.
+ * @sup: Device to check against.
+ *
+ * Check if @sup depends on @con or any device dependent on it (its child or
+ * its consumer etc). When such a cyclic dependency is found, convert all
+ * device links created solely by fw_devlink into SYNC_STATE_ONLY device links.
+ * This is the equivalent of doing fw_devlink=permissive just between the
+ * devices in the cycle. We need to do this because, at this point, fw_devlink
+ * can't tell which of these dependencies is not a real dependency.
+ *
+ * Return 1 if a cycle is found. Otherwise, return 0.
+ */
+int fw_devlink_relax_cycle(struct device *con, void *sup)
+{
+ struct device_link *link;
+ int ret;
+
+ if (con == sup)
+ return 1;
+
+ ret = device_for_each_child(con, sup, fw_devlink_relax_cycle);
+ if (ret)
+ return ret;
+
+ list_for_each_entry(link, &con->links.consumers, s_node) {
+ if ((link->flags & ~DL_FLAG_INFERRED) ==
+ (DL_FLAG_SYNC_STATE_ONLY | DL_FLAG_MANAGED))
+ continue;
+
+ if (!fw_devlink_relax_cycle(link->consumer, sup))
+ continue;
+
+ ret = 1;
+
+ if (!(link->flags & DL_FLAG_INFERRED))
+ continue;
+
+ pm_runtime_drop_link(link);
+ link->flags = DL_FLAG_MANAGED | FW_DEVLINK_FLAGS_PERMISSIVE;
+ dev_dbg(link->consumer, "Relaxing link with %s\n",
+ dev_name(link->supplier));
+ }
+ return ret;
+}
+
+/**
+ * fw_devlink_create_devlink - Create a device link from a consumer to fwnode
+ * @con - Consumer device for the device link
+ * @sup_handle - fwnode handle of supplier
+ *
+ * This function will try to create a device link between the consumer device
+ * @con and the supplier device represented by @sup_handle.
+ *
+ * The supplier has to be provided as a fwnode because incorrect cycles in
+ * fwnode links can sometimes cause the supplier device to never be created.
+ * This function detects such cases and returns an error if it cannot create a
+ * device link from the consumer to a missing supplier.
+ *
+ * Returns,
+ * 0 on successfully creating a device link
+ * -EINVAL if the device link cannot be created as expected
+ * -EAGAIN if the device link cannot be created right now, but it may be
+ * possible to do that in the future
+ */
+static int fw_devlink_create_devlink(struct device *con,
+ struct fwnode_handle *sup_handle, u32 flags)
+{
+ struct device *sup_dev;
+ int ret = 0;
+
+ sup_dev = get_dev_from_fwnode(sup_handle);
+ if (sup_dev) {
+ /*
+ * If it's one of those drivers that don't actually bind to
+ * their device using driver core, then don't wait on this
+ * supplier device indefinitely.
+ */
+ if (sup_dev->links.status == DL_DEV_NO_DRIVER &&
+ sup_handle->flags & FWNODE_FLAG_INITIALIZED) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /*
+ * If this fails, it is due to cycles in device links. Just
+ * give up on this link and treat it as invalid.
+ */
+ if (!device_link_add(con, sup_dev, flags) &&
+ !(flags & DL_FLAG_SYNC_STATE_ONLY)) {
+ dev_info(con, "Fixing up cyclic dependency with %s\n",
+ dev_name(sup_dev));
+ device_links_write_lock();
+ fw_devlink_relax_cycle(con, sup_dev);
+ device_links_write_unlock();
+ device_link_add(con, sup_dev,
+ FW_DEVLINK_FLAGS_PERMISSIVE);
+ ret = -EINVAL;
+ }
+
+ goto out;
+ }
+
+ /* Supplier that's already initialized without a struct device. */
+ if (sup_handle->flags & FWNODE_FLAG_INITIALIZED)
+ return -EINVAL;
+
+ /*
+ * DL_FLAG_SYNC_STATE_ONLY doesn't block probing and supports
+ * cycles. So cycle detection isn't necessary and shouldn't be
+ * done.
+ */
+ if (flags & DL_FLAG_SYNC_STATE_ONLY)
+ return -EAGAIN;
+
+ /*
+ * If we can't find the supplier device from its fwnode, it might be
+ * due to a cyclic dependency between fwnodes. Some of these cycles can
+ * be broken by applying logic. Check for these types of cycles and
+ * break them so that devices in the cycle probe properly.
+ *
+ * If the supplier's parent is dependent on the consumer, then
+ * the consumer-supplier dependency is a false dependency. So,
+ * treat it as an invalid link.
+ */
+ sup_dev = fwnode_get_next_parent_dev(sup_handle);
+ if (sup_dev && device_is_dependent(con, sup_dev)) {
+ dev_dbg(con, "Not linking to %pfwP - False link\n",
+ sup_handle);
+ ret = -EINVAL;
+ } else {
+ /*
+ * Can't check for cycles or no cycles. So let's try
+ * again later.
+ */
+ ret = -EAGAIN;
+ }
+
+out:
+ put_device(sup_dev);
+ return ret;
+}
+
+/**
+ * __fw_devlink_link_to_consumers - Create device links to consumers of a device
+ * @dev - Device that needs to be linked to its consumers
+ *
+ * This function looks at all the consumer fwnodes of @dev and creates device
+ * links between the consumer device and @dev (supplier).
+ *
+ * If the consumer device has not been added yet, then this function creates a
+ * SYNC_STATE_ONLY link between @dev (supplier) and the closest ancestor device
+ * of the consumer fwnode. This is necessary to make sure @dev doesn't get a
+ * sync_state() callback before the real consumer device gets to be added and
+ * then probed.
+ *
+ * Once device links are created from the real consumer to @dev (supplier), the
+ * fwnode links are deleted.
+ */
+static void __fw_devlink_link_to_consumers(struct device *dev)
+{
+ struct fwnode_handle *fwnode = dev->fwnode;
+ struct fwnode_link *link, *tmp;
+
+ list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook) {
+ u32 dl_flags = fw_devlink_get_flags();
+ struct device *con_dev;
+ bool own_link = true;
+ int ret;
+
+ con_dev = get_dev_from_fwnode(link->consumer);
+ /*
+ * If consumer device is not available yet, make a "proxy"
+ * SYNC_STATE_ONLY link from the consumer's parent device to
+ * the supplier device. This is necessary to make sure the
+ * supplier doesn't get a sync_state() callback before the real
+ * consumer can create a device link to the supplier.
+ *
+ * This proxy link step is needed to handle the case where the
+ * consumer's parent device is added before the supplier.
+ */
+ if (!con_dev) {
+ con_dev = fwnode_get_next_parent_dev(link->consumer);
+ /*
+ * However, if the consumer's parent device is also the
+ * parent of the supplier, don't create a
+ * consumer-supplier link from the parent to its child
+ * device. Such a dependency is impossible.
+ */
+ if (con_dev &&
+ fwnode_is_ancestor_of(con_dev->fwnode, fwnode)) {
+ put_device(con_dev);
+ con_dev = NULL;
+ } else {
+ own_link = false;
+ dl_flags = FW_DEVLINK_FLAGS_PERMISSIVE;
+ }
+ }
+
+ if (!con_dev)
+ continue;
+
+ ret = fw_devlink_create_devlink(con_dev, fwnode, dl_flags);
+ put_device(con_dev);
+ if (!own_link || ret == -EAGAIN)
+ continue;
+
+ list_del(&link->s_hook);
+ list_del(&link->c_hook);
+ kfree(link);
+ }
+}
+
+/**
+ * __fw_devlink_link_to_suppliers - Create device links to suppliers of a device
+ * @dev - The consumer device that needs to be linked to its suppliers
+ * @fwnode - Root of the fwnode tree that is used to create device links
+ *
+ * This function looks at all the supplier fwnodes of fwnode tree rooted at
+ * @fwnode and creates device links between @dev (consumer) and all the
+ * supplier devices of the entire fwnode tree at @fwnode.
+ *
+ * The function creates normal (non-SYNC_STATE_ONLY) device links between @dev
+ * and the real suppliers of @dev. Once these device links are created, the
+ * fwnode links are deleted. When such device links are successfully created,
+ * this function is called recursively on those supplier devices. This is
+ * needed to detect and break some invalid cycles in fwnode links. See
+ * fw_devlink_create_devlink() for more details.
+ *
+ * In addition, it also looks at all the suppliers of the entire fwnode tree
+ * because some of the child devices of @dev that have not been added yet
+ * (because @dev hasn't probed) might already have their suppliers added to
+ * driver core. So, this function creates SYNC_STATE_ONLY device links between
+ * @dev (consumer) and these suppliers to make sure they don't execute their
+ * sync_state() callbacks before these child devices have a chance to create
+ * their device links. The fwnode links that correspond to the child devices
+ * aren't delete because they are needed later to create the device links
+ * between the real consumer and supplier devices.
+ */
+static void __fw_devlink_link_to_suppliers(struct device *dev,
+ struct fwnode_handle *fwnode)
+{
+ bool own_link = (dev->fwnode == fwnode);
+ struct fwnode_link *link, *tmp;
+ struct fwnode_handle *child = NULL;
+ u32 dl_flags;
+
+ if (own_link)
+ dl_flags = fw_devlink_get_flags();
+ else
+ dl_flags = FW_DEVLINK_FLAGS_PERMISSIVE;
+
+ list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook) {
+ int ret;
+ struct device *sup_dev;
+ struct fwnode_handle *sup = link->supplier;
+
+ ret = fw_devlink_create_devlink(dev, sup, dl_flags);
+ if (!own_link || ret == -EAGAIN)
+ continue;
+
+ list_del(&link->s_hook);
+ list_del(&link->c_hook);
+ kfree(link);
+
+ /* If no device link was created, nothing more to do. */
+ if (ret)
+ continue;
+
+ /*
+ * If a device link was successfully created to a supplier, we
+ * now need to try and link the supplier to all its suppliers.
+ *
+ * This is needed to detect and delete false dependencies in
+ * fwnode links that haven't been converted to a device link
+ * yet. See comments in fw_devlink_create_devlink() for more
+ * details on the false dependency.
+ *
+ * Without deleting these false dependencies, some devices will
+ * never probe because they'll keep waiting for their false
+ * dependency fwnode links to be converted to device links.
+ */
+ sup_dev = get_dev_from_fwnode(sup);
+ __fw_devlink_link_to_suppliers(sup_dev, sup_dev->fwnode);
+ put_device(sup_dev);
+ }
+
+ /*
+ * Make "proxy" SYNC_STATE_ONLY device links to represent the needs of
+ * all the descendants. This proxy link step is needed to handle the
+ * case where the supplier is added before the consumer's parent device
+ * (@dev).
+ */
+ while ((child = fwnode_get_next_available_child_node(fwnode, child)))
+ __fw_devlink_link_to_suppliers(dev, child);
}
static void fw_devlink_link_device(struct device *dev)
{
- int fw_ret;
+ struct fwnode_handle *fwnode = dev->fwnode;
if (!fw_devlink_flags)
return;
- mutex_lock(&defer_fw_devlink_lock);
- if (!defer_fw_devlink_count)
- device_link_add_missing_supplier_links();
+ fw_devlink_parse_fwtree(fwnode);
- /*
- * The device's fwnode not having add_links() doesn't affect if other
- * consumers can find this device as a supplier. So, this check is
- * intentionally placed after device_link_add_missing_supplier_links().
- */
- if (!fwnode_has_op(dev->fwnode, add_links))
- goto out;
-
- /*
- * If fw_devlink is being deferred, assume all devices have mandatory
- * suppliers they need to link to later. Then, when the fw_devlink is
- * resumed, all these devices will get a chance to try and link to any
- * suppliers they have.
- */
- if (!defer_fw_devlink_count) {
- fw_ret = fwnode_call_int_op(dev->fwnode, add_links, dev);
- if (fw_ret == -ENODEV && fw_devlink_is_permissive())
- fw_ret = -EAGAIN;
- } else {
- fw_ret = -ENODEV;
- /*
- * defer_hook is not used to add device to deferred_sync list
- * until device is bound. Since deferred fw devlink also blocks
- * probing, same list hook can be used for deferred_fw_devlink.
- */
- list_add_tail(&dev->links.defer_hook, &deferred_fw_devlink);
- }
-
- if (fw_ret == -ENODEV)
- device_link_wait_for_mandatory_supplier(dev);
- else if (fw_ret)
- device_link_wait_for_optional_supplier(dev);
-
-out:
- mutex_unlock(&defer_fw_devlink_lock);
+ mutex_lock(&fwnode_link_lock);
+ __fw_devlink_link_to_consumers(dev);
+ __fw_devlink_link_to_suppliers(dev, fwnode);
+ mutex_unlock(&fwnode_link_lock);
}
-/**
- * fw_devlink_pause - Pause parsing of fwnode to create device links
- *
- * Calling this function defers any fwnode parsing to create device links until
- * fw_devlink_resume() is called. Both these functions are ref counted and the
- * caller needs to match the calls.
- *
- * While fw_devlink is paused:
- * - Any device that is added won't have its fwnode parsed to create device
- * links.
- * - The probe of the device will also be deferred during this period.
- * - Any devices that were already added, but waiting for suppliers won't be
- * able to link to newly added devices.
- *
- * Once fw_devlink_resume():
- * - All the fwnodes that was not parsed will be parsed.
- * - All the devices that were deferred probing will be reattempted if they
- * aren't waiting for any more suppliers.
- *
- * This pair of functions, is mainly meant to optimize the parsing of fwnodes
- * when a lot of devices that need to link to each other are added in a short
- * interval of time. For example, adding all the top level devices in a system.
- *
- * For example, if N devices are added and:
- * - All the consumers are added before their suppliers
- * - All the suppliers of the N devices are part of the N devices
- *
- * Then:
- *
- * - With the use of fw_devlink_pause() and fw_devlink_resume(), each device
- * will only need one parsing of its fwnode because it is guaranteed to find
- * all the supplier devices already registered and ready to link to. It won't
- * have to do another pass later to find one or more suppliers it couldn't
- * find in the first parse of the fwnode. So, we'll only need O(N) fwnode
- * parses.
- *
- * - Without the use of fw_devlink_pause() and fw_devlink_resume(), we would
- * end up doing O(N^2) parses of fwnodes because every device that's added is
- * guaranteed to trigger a parse of the fwnode of every device added before
- * it. This O(N^2) parse is made worse by the fact that when a fwnode of a
- * device is parsed, all it descendant devices might need to have their
- * fwnodes parsed too (even if the devices themselves aren't added).
- */
-void fw_devlink_pause(void)
-{
- mutex_lock(&defer_fw_devlink_lock);
- defer_fw_devlink_count++;
- mutex_unlock(&defer_fw_devlink_lock);
-}
-
-/** fw_devlink_resume - Resume parsing of fwnode to create device links
- *
- * This function is used in conjunction with fw_devlink_pause() and is ref
- * counted. See documentation for fw_devlink_pause() for more details.
- */
-void fw_devlink_resume(void)
-{
- struct device *dev, *tmp;
- LIST_HEAD(probe_list);
-
- mutex_lock(&defer_fw_devlink_lock);
- if (!defer_fw_devlink_count) {
- WARN(true, "Unmatched fw_devlink pause/resume!");
- goto out;
- }
-
- defer_fw_devlink_count--;
- if (defer_fw_devlink_count)
- goto out;
-
- device_link_add_missing_supplier_links();
- list_splice_tail_init(&deferred_fw_devlink, &probe_list);
-out:
- mutex_unlock(&defer_fw_devlink_lock);
-
- /*
- * bus_probe_device() can cause new devices to get added and they'll
- * try to grab defer_fw_devlink_lock. So, this needs to be done outside
- * the defer_fw_devlink_lock.
- */
- list_for_each_entry_safe(dev, tmp, &probe_list, links.defer_hook) {
- list_del_init(&dev->links.defer_hook);
- bus_probe_device(dev);
- }
-}
/* Device links support end. */
int (*platform_notify)(struct device *dev) = NULL;
@@ -2224,7 +2502,7 @@ static int device_add_attrs(struct device *dev)
goto err_remove_dev_groups;
}
- if (fw_devlink_flags && !fw_devlink_is_permissive()) {
+ if (fw_devlink_flags && !fw_devlink_is_permissive() && dev->fwnode) {
error = device_create_file(dev, &dev_attr_waiting_for_supplier);
if (error)
goto err_remove_dev_online;
@@ -2451,13 +2729,11 @@ void device_initialize(struct device *dev)
device_pm_init(dev);
set_dev_node(dev, -1);
#ifdef CONFIG_GENERIC_MSI_IRQ
- raw_spin_lock_init(&dev->msi_lock);
INIT_LIST_HEAD(&dev->msi_list);
#endif
INIT_LIST_HEAD(&dev->links.consumers);
INIT_LIST_HEAD(&dev->links.suppliers);
- INIT_LIST_HEAD(&dev->links.needs_suppliers);
- INIT_LIST_HEAD(&dev->links.defer_hook);
+ INIT_LIST_HEAD(&dev->links.defer_sync);
dev->links.status = DL_DEV_NO_DRIVER;
}
EXPORT_SYMBOL_GPL(device_initialize);
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 81ad4f8..5fcb97b 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -185,7 +185,7 @@ static void driver_deferred_probe_trigger(void)
* Kick the re-probe thread. It may already be scheduled, but it is
* safe to kick it again.
*/
- schedule_work(&deferred_probe_work);
+ queue_work(system_unbound_wq, &deferred_probe_work);
}
/**
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 7432689..b1974d3 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -21,6 +21,7 @@
#include <linux/suspend.h>
#include <linux/export.h>
#include <linux/cpu.h>
+#include <linux/debugfs.h>
#include "power.h"
@@ -210,6 +211,18 @@ static void genpd_sd_counter_inc(struct generic_pm_domain *genpd)
}
#ifdef CONFIG_DEBUG_FS
+static struct dentry *genpd_debugfs_dir;
+
+static void genpd_debug_add(struct generic_pm_domain *genpd);
+
+static void genpd_debug_remove(struct generic_pm_domain *genpd)
+{
+ struct dentry *d;
+
+ d = debugfs_lookup(genpd->name, genpd_debugfs_dir);
+ debugfs_remove(d);
+}
+
static void genpd_update_accounting(struct generic_pm_domain *genpd)
{
ktime_t delta, now;
@@ -234,6 +247,8 @@ static void genpd_update_accounting(struct generic_pm_domain *genpd)
genpd->accounting_time = now;
}
#else
+static inline void genpd_debug_add(struct generic_pm_domain *genpd) {}
+static inline void genpd_debug_remove(struct generic_pm_domain *genpd) {}
static inline void genpd_update_accounting(struct generic_pm_domain *genpd) {}
#endif
@@ -408,6 +423,35 @@ int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state)
}
EXPORT_SYMBOL_GPL(dev_pm_genpd_set_performance_state);
+/**
+ * dev_pm_genpd_set_next_wakeup - Notify PM framework of an impending wakeup.
+ *
+ * @dev: Device to handle
+ * @next: impending interrupt/wakeup for the device
+ *
+ *
+ * Allow devices to inform of the next wakeup. It's assumed that the users
+ * guarantee that the genpd wouldn't be detached while this routine is getting
+ * called. Additionally, it's also assumed that @dev isn't runtime suspended
+ * (RPM_SUSPENDED)."
+ * Although devices are expected to update the next_wakeup after the end of
+ * their usecase as well, it is possible the devices themselves may not know
+ * about that, so stale @next will be ignored when powering off the domain.
+ */
+void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next)
+{
+ struct generic_pm_domain_data *gpd_data;
+ struct generic_pm_domain *genpd;
+
+ genpd = dev_to_genpd_safe(dev);
+ if (!genpd)
+ return;
+
+ gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
+ gpd_data->next_wakeup = next;
+}
+EXPORT_SYMBOL_GPL(dev_pm_genpd_set_next_wakeup);
+
static int _genpd_power_on(struct generic_pm_domain *genpd, bool timed)
{
unsigned int state_idx = genpd->state_idx;
@@ -1363,41 +1407,60 @@ static void genpd_complete(struct device *dev)
genpd_unlock(genpd);
}
-/**
- * genpd_syscore_switch - Switch power during system core suspend or resume.
- * @dev: Device that normally is marked as "always on" to switch power for.
- *
- * This routine may only be called during the system core (syscore) suspend or
- * resume phase for devices whose "always on" flags are set.
- */
-static void genpd_syscore_switch(struct device *dev, bool suspend)
+static void genpd_switch_state(struct device *dev, bool suspend)
{
struct generic_pm_domain *genpd;
+ bool use_lock;
genpd = dev_to_genpd_safe(dev);
if (!genpd)
return;
+ use_lock = genpd_is_irq_safe(genpd);
+
+ if (use_lock)
+ genpd_lock(genpd);
+
if (suspend) {
genpd->suspended_count++;
- genpd_sync_power_off(genpd, false, 0);
+ genpd_sync_power_off(genpd, use_lock, 0);
} else {
- genpd_sync_power_on(genpd, false, 0);
+ genpd_sync_power_on(genpd, use_lock, 0);
genpd->suspended_count--;
}
+
+ if (use_lock)
+ genpd_unlock(genpd);
}
-void pm_genpd_syscore_poweroff(struct device *dev)
+/**
+ * dev_pm_genpd_suspend - Synchronously try to suspend the genpd for @dev
+ * @dev: The device that is attached to the genpd, that can be suspended.
+ *
+ * This routine should typically be called for a device that needs to be
+ * suspended during the syscore suspend phase. It may also be called during
+ * suspend-to-idle to suspend a corresponding CPU device that is attached to a
+ * genpd.
+ */
+void dev_pm_genpd_suspend(struct device *dev)
{
- genpd_syscore_switch(dev, true);
+ genpd_switch_state(dev, true);
}
-EXPORT_SYMBOL_GPL(pm_genpd_syscore_poweroff);
+EXPORT_SYMBOL_GPL(dev_pm_genpd_suspend);
-void pm_genpd_syscore_poweron(struct device *dev)
+/**
+ * dev_pm_genpd_resume - Synchronously try to resume the genpd for @dev
+ * @dev: The device that is attached to the genpd, which needs to be resumed.
+ *
+ * This routine should typically be called for a device that needs to be resumed
+ * during the syscore resume phase. It may also be called during suspend-to-idle
+ * to resume a corresponding CPU device that is attached to a genpd.
+ */
+void dev_pm_genpd_resume(struct device *dev)
{
- genpd_syscore_switch(dev, false);
+ genpd_switch_state(dev, false);
}
-EXPORT_SYMBOL_GPL(pm_genpd_syscore_poweron);
+EXPORT_SYMBOL_GPL(dev_pm_genpd_resume);
#else /* !CONFIG_PM_SLEEP */
@@ -1431,6 +1494,7 @@ static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev)
gpd_data->td.constraint_changed = true;
gpd_data->td.effective_constraint_ns = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS;
gpd_data->nb.notifier_call = genpd_dev_pm_qos_notifier;
+ gpd_data->next_wakeup = KTIME_MAX;
spin_lock_irq(&dev->power.lock);
@@ -1954,6 +2018,7 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
mutex_lock(&gpd_list_lock);
list_add(&genpd->gpd_list_node, &gpd_list);
+ genpd_debug_add(genpd);
mutex_unlock(&gpd_list_lock);
return 0;
@@ -1987,6 +2052,7 @@ static int genpd_remove(struct generic_pm_domain *genpd)
kfree(link);
}
+ genpd_debug_remove(genpd);
list_del(&genpd->gpd_list_node);
genpd_unlock(genpd);
cancel_work_sync(&genpd->power_off_work);
@@ -2128,6 +2194,7 @@ static int genpd_add_provider(struct device_node *np, genpd_xlate_t xlate,
cp->node = of_node_get(np);
cp->data = data;
cp->xlate = xlate;
+ fwnode_dev_initialized(&np->fwnode, true);
mutex_lock(&of_genpd_mutex);
list_add(&cp->link, &of_genpd_providers);
@@ -2317,6 +2384,7 @@ void of_genpd_del_provider(struct device_node *np)
}
}
+ fwnode_dev_initialized(&cp->node->fwnode, false);
list_del(&cp->link);
of_node_put(cp->node);
kfree(cp);
@@ -2893,14 +2961,6 @@ core_initcall(genpd_bus_init);
/*** debugfs support ***/
#ifdef CONFIG_DEBUG_FS
-#include <linux/pm.h>
-#include <linux/device.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/kobject.h>
-static struct dentry *genpd_debugfs_dir;
-
/*
* TODO: This function is a slightly modified version of rtpm_status_show
* from sysfs.c, so generalize it.
@@ -3177,9 +3237,34 @@ DEFINE_SHOW_ATTRIBUTE(total_idle_time);
DEFINE_SHOW_ATTRIBUTE(devices);
DEFINE_SHOW_ATTRIBUTE(perf_state);
-static int __init genpd_debug_init(void)
+static void genpd_debug_add(struct generic_pm_domain *genpd)
{
struct dentry *d;
+
+ if (!genpd_debugfs_dir)
+ return;
+
+ d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
+
+ debugfs_create_file("current_state", 0444,
+ d, genpd, &status_fops);
+ debugfs_create_file("sub_domains", 0444,
+ d, genpd, &sub_domains_fops);
+ debugfs_create_file("idle_states", 0444,
+ d, genpd, &idle_states_fops);
+ debugfs_create_file("active_time", 0444,
+ d, genpd, &active_time_fops);
+ debugfs_create_file("total_idle_time", 0444,
+ d, genpd, &total_idle_time_fops);
+ debugfs_create_file("devices", 0444,
+ d, genpd, &devices_fops);
+ if (genpd->set_performance_state)
+ debugfs_create_file("perf_state", 0444,
+ d, genpd, &perf_state_fops);
+}
+
+static int __init genpd_debug_init(void)
+{
struct generic_pm_domain *genpd;
genpd_debugfs_dir = debugfs_create_dir("pm_genpd", NULL);
@@ -3187,25 +3272,8 @@ static int __init genpd_debug_init(void)
debugfs_create_file("pm_genpd_summary", S_IRUGO, genpd_debugfs_dir,
NULL, &summary_fops);
- list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
- d = debugfs_create_dir(genpd->name, genpd_debugfs_dir);
-
- debugfs_create_file("current_state", 0444,
- d, genpd, &status_fops);
- debugfs_create_file("sub_domains", 0444,
- d, genpd, &sub_domains_fops);
- debugfs_create_file("idle_states", 0444,
- d, genpd, &idle_states_fops);
- debugfs_create_file("active_time", 0444,
- d, genpd, &active_time_fops);
- debugfs_create_file("total_idle_time", 0444,
- d, genpd, &total_idle_time_fops);
- debugfs_create_file("devices", 0444,
- d, genpd, &devices_fops);
- if (genpd->set_performance_state)
- debugfs_create_file("perf_state", 0444,
- d, genpd, &perf_state_fops);
- }
+ list_for_each_entry(genpd, &gpd_list, gpd_list_node)
+ genpd_debug_add(genpd);
return 0;
}
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index 490ed7d..05665b1 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -12,6 +12,8 @@
#include <linux/cpumask.h>
#include <linux/ktime.h>
+#include <trace/hooks/pm_domain.h>
+
static int dev_update_qos_constraint(struct device *dev, void *data)
{
s64 *constraint_ns_p = data;
@@ -117,6 +119,55 @@ static bool default_suspend_ok(struct device *dev)
return td->cached_suspend_ok;
}
+static void update_domain_next_wakeup(struct generic_pm_domain *genpd, ktime_t now)
+{
+ ktime_t domain_wakeup = KTIME_MAX;
+ ktime_t next_wakeup;
+ struct pm_domain_data *pdd;
+ struct gpd_link *link;
+
+ if (!(genpd->flags & GENPD_FLAG_MIN_RESIDENCY))
+ return;
+
+ /*
+ * Devices that have a predictable wakeup pattern, may specify
+ * their next wakeup. Let's find the next wakeup from all the
+ * devices attached to this domain and from all the sub-domains.
+ * It is possible that component's a next wakeup may have become
+ * stale when we read that here. We will ignore to ensure the domain
+ * is able to enter its optimal idle state.
+ */
+ list_for_each_entry(pdd, &genpd->dev_list, list_node) {
+ next_wakeup = to_gpd_data(pdd)->next_wakeup;
+ if (next_wakeup != KTIME_MAX && !ktime_before(next_wakeup, now))
+ if (ktime_before(next_wakeup, domain_wakeup))
+ domain_wakeup = next_wakeup;
+ }
+
+ list_for_each_entry(link, &genpd->parent_links, parent_node) {
+ next_wakeup = link->child->next_wakeup;
+ if (next_wakeup != KTIME_MAX && !ktime_before(next_wakeup, now))
+ if (ktime_before(next_wakeup, domain_wakeup))
+ domain_wakeup = next_wakeup;
+ }
+
+ genpd->next_wakeup = domain_wakeup;
+}
+
+static bool next_wakeup_allows_state(struct generic_pm_domain *genpd,
+ unsigned int state, ktime_t now)
+{
+ ktime_t domain_wakeup = genpd->next_wakeup;
+ s64 idle_time_ns, min_sleep_ns;
+
+ min_sleep_ns = genpd->states[state].power_off_latency_ns +
+ genpd->states[state].residency_ns;
+
+ idle_time_ns = ktime_to_ns(ktime_sub(domain_wakeup, now));
+
+ return idle_time_ns >= min_sleep_ns;
+}
+
static bool __default_power_down_ok(struct dev_pm_domain *pd,
unsigned int state)
{
@@ -125,6 +176,11 @@ static bool __default_power_down_ok(struct dev_pm_domain *pd,
struct pm_domain_data *pdd;
s64 min_off_time_ns;
s64 off_on_time_ns;
+ bool allow = true;
+
+ trace_android_vh_allow_domain_state(genpd, state, &allow);
+ if (!allow)
+ return false;
off_on_time_ns = genpd->states[state].power_off_latency_ns +
genpd->states[state].power_on_latency_ns;
@@ -201,16 +257,41 @@ static bool __default_power_down_ok(struct dev_pm_domain *pd,
}
/**
- * default_power_down_ok - Default generic PM domain power off governor routine.
+ * _default_power_down_ok - Default generic PM domain power off governor routine.
* @pd: PM domain to check.
*
* This routine must be executed under the PM domain's lock.
*/
-static bool default_power_down_ok(struct dev_pm_domain *pd)
+static bool _default_power_down_ok(struct dev_pm_domain *pd, ktime_t now)
{
struct generic_pm_domain *genpd = pd_to_genpd(pd);
+ int state_idx = genpd->state_count - 1;
struct gpd_link *link;
+ /*
+ * Find the next wakeup from devices that can determine their own wakeup
+ * to find when the domain would wakeup and do it for every device down
+ * the hierarchy. It is not worth while to sleep if the state's residency
+ * cannot be met.
+ */
+ update_domain_next_wakeup(genpd, now);
+ if ((genpd->flags & GENPD_FLAG_MIN_RESIDENCY) && (genpd->next_wakeup != KTIME_MAX)) {
+ /* Let's find out the deepest domain idle state, the devices prefer */
+ while (state_idx >= 0) {
+ if (next_wakeup_allows_state(genpd, state_idx, now)) {
+ genpd->max_off_time_changed = true;
+ break;
+ }
+ state_idx--;
+ }
+
+ if (state_idx < 0) {
+ state_idx = 0;
+ genpd->cached_power_down_ok = false;
+ goto done;
+ }
+ }
+
if (!genpd->max_off_time_changed) {
genpd->state_idx = genpd->cached_power_down_state_idx;
return genpd->cached_power_down_ok;
@@ -228,21 +309,30 @@ static bool default_power_down_ok(struct dev_pm_domain *pd)
genpd->max_off_time_ns = -1;
genpd->max_off_time_changed = false;
genpd->cached_power_down_ok = true;
- genpd->state_idx = genpd->state_count - 1;
- /* Find a state to power down to, starting from the deepest. */
- while (!__default_power_down_ok(pd, genpd->state_idx)) {
- if (genpd->state_idx == 0) {
+ /*
+ * Find a state to power down to, starting from the state
+ * determined by the next wakeup.
+ */
+ while (!__default_power_down_ok(pd, state_idx)) {
+ if (state_idx == 0) {
genpd->cached_power_down_ok = false;
break;
}
- genpd->state_idx--;
+ state_idx--;
}
+done:
+ genpd->state_idx = state_idx;
genpd->cached_power_down_state_idx = genpd->state_idx;
return genpd->cached_power_down_ok;
}
+static bool default_power_down_ok(struct dev_pm_domain *pd)
+{
+ return _default_power_down_ok(pd, ktime_get());
+}
+
static bool always_on_power_down_ok(struct dev_pm_domain *domain)
{
return false;
@@ -254,11 +344,12 @@ static bool cpu_power_down_ok(struct dev_pm_domain *pd)
struct generic_pm_domain *genpd = pd_to_genpd(pd);
struct cpuidle_device *dev;
ktime_t domain_wakeup, next_hrtimer;
+ ktime_t now = ktime_get();
s64 idle_duration_ns;
int cpu, i;
/* Validate dev PM QoS constraints. */
- if (!default_power_down_ok(pd))
+ if (!_default_power_down_ok(pd, now))
return false;
if (!(genpd->flags & GENPD_FLAG_CPU_DOMAIN))
@@ -280,7 +371,7 @@ static bool cpu_power_down_ok(struct dev_pm_domain *pd)
}
/* The minimum idle duration is from now - until the next wakeup. */
- idle_duration_ns = ktime_to_ns(ktime_sub(domain_wakeup, ktime_get()));
+ idle_duration_ns = ktime_to_ns(ktime_sub(domain_wakeup, now));
if (idle_duration_ns <= 0)
return false;
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 4167e2a..1ec4520 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -34,6 +34,7 @@
#include <linux/cpuidle.h>
#include <linux/devfreq.h>
#include <linux/timer.h>
+#include <linux/wakeup_reason.h>
#include "../base.h"
#include "power.h"
@@ -1234,6 +1235,8 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a
error = dpm_run_callback(callback, dev, state, info);
if (error) {
async_error = error;
+ log_suspend_abort_reason("Device %s failed to %s noirq: error %d",
+ dev_name(dev), pm_verb(state.event), error);
goto Complete;
}
@@ -1426,6 +1429,8 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as
error = dpm_run_callback(callback, dev, state, info);
if (error) {
async_error = error;
+ log_suspend_abort_reason("Device %s failed to %s late: error %d",
+ dev_name(dev), pm_verb(state.event), error);
goto Complete;
}
dpm_propagate_wakeup_to_parent(dev);
@@ -1696,6 +1701,9 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
dpm_propagate_wakeup_to_parent(dev);
dpm_clear_superiors_direct_complete(dev);
+ } else {
+ log_suspend_abort_reason("Device %s failed to %s: error %d",
+ dev_name(dev), pm_verb(state.event), error);
}
device_unlock(dev);
@@ -1900,6 +1908,9 @@ int dpm_prepare(pm_message_t state)
}
pr_info("Device %s not prepared for power transition: code %d\n",
dev_name(dev), error);
+ log_suspend_abort_reason("Device %s not prepared for power transition: code %d",
+ dev_name(dev), error);
+ dpm_save_failed_dev(dev_name(dev));
put_device(dev);
break;
}
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 8e93167..0489db3 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -137,6 +137,7 @@ s32 dev_pm_qos_read_value(struct device *dev, enum dev_pm_qos_req_type type)
return ret;
}
+EXPORT_SYMBOL_GPL(dev_pm_qos_read_value);
/**
* apply_constraint - Add/modify/remove device PM QoS request.
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 92073ac6..01057f6 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -15,6 +15,9 @@
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/pm_wakeirq.h>
+#include <linux/irq.h>
+#include <linux/irqdesc.h>
+#include <linux/wakeup_reason.h>
#include <trace/events/power.h>
#include "power.h"
@@ -872,6 +875,37 @@ void pm_wakeup_dev_event(struct device *dev, unsigned int msec, bool hard)
}
EXPORT_SYMBOL_GPL(pm_wakeup_dev_event);
+void pm_get_active_wakeup_sources(char *pending_wakeup_source, size_t max)
+{
+ struct wakeup_source *ws, *last_active_ws = NULL;
+ int len = 0;
+ bool active = false;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(ws, &wakeup_sources, entry) {
+ if (ws->active && len < max) {
+ if (!active)
+ len += scnprintf(pending_wakeup_source, max,
+ "Pending Wakeup Sources: ");
+ len += scnprintf(pending_wakeup_source + len, max - len,
+ "%s ", ws->name);
+ active = true;
+ } else if (!active &&
+ (!last_active_ws ||
+ ktime_to_ns(ws->last_time) >
+ ktime_to_ns(last_active_ws->last_time))) {
+ last_active_ws = ws;
+ }
+ }
+ if (!active && last_active_ws) {
+ scnprintf(pending_wakeup_source, max,
+ "Last active Wakeup Source: %s",
+ last_active_ws->name);
+ }
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL_GPL(pm_get_active_wakeup_sources);
+
void pm_print_active_wakeup_sources(void)
{
struct wakeup_source *ws;
@@ -910,6 +944,7 @@ bool pm_wakeup_pending(void)
{
unsigned long flags;
bool ret = false;
+ char suspend_abort[MAX_SUSPEND_ABORT_LEN];
raw_spin_lock_irqsave(&events_lock, flags);
if (events_check_enabled) {
@@ -924,6 +959,10 @@ bool pm_wakeup_pending(void)
if (ret) {
pm_pr_dbg("Wakeup pending, aborting suspend\n");
pm_print_active_wakeup_sources();
+ pm_get_active_wakeup_sources(suspend_abort,
+ MAX_SUSPEND_ABORT_LEN);
+ log_suspend_abort_reason(suspend_abort);
+ pr_info("PM: %s\n", suspend_abort);
}
return ret || atomic_read(&pm_abort_suspend) > 0;
@@ -951,6 +990,18 @@ void pm_wakeup_clear(bool reset)
void pm_system_irq_wakeup(unsigned int irq_number)
{
if (pm_wakeup_irq == 0) {
+ struct irq_desc *desc;
+ const char *name = "null";
+
+ desc = irq_to_desc(irq_number);
+ if (desc == NULL)
+ name = "stray irq";
+ else if (desc->action && desc->action->name)
+ name = desc->action->name;
+
+ log_irq_wakeup_reason(irq_number);
+ pr_warn("%s: %d triggered %s\n", __func__, irq_number, name);
+
pm_wakeup_irq = irq_number;
pm_system_wakeup();
}
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 4c43d30..35b95c6 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -615,6 +615,31 @@ struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode)
EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
/**
+ * fwnode_get_next_parent_dev - Find device of closest ancestor fwnode
+ * @fwnode: firmware node
+ *
+ * Given a firmware node (@fwnode), this function finds its closest ancestor
+ * firmware node that has a corresponding struct device and returns that struct
+ * device.
+ *
+ * The caller of this function is expected to call put_device() on the returned
+ * device when they are done.
+ */
+struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode)
+{
+ struct device *dev = NULL;
+
+ fwnode_handle_get(fwnode);
+ do {
+ fwnode = fwnode_get_next_parent(fwnode);
+ if (fwnode)
+ dev = get_dev_from_fwnode(fwnode);
+ } while (fwnode && !dev);
+ fwnode_handle_put(fwnode);
+ return dev;
+}
+
+/**
* fwnode_count_parents - Return the number of parents a node has
* @fwnode: The node the parents of which are to be counted
*
@@ -661,6 +686,33 @@ struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwnode,
EXPORT_SYMBOL_GPL(fwnode_get_nth_parent);
/**
+ * fwnode_is_ancestor_of - Test if @test_ancestor is ancestor of @test_child
+ * @test_ancestor: Firmware which is tested for being an ancestor
+ * @test_child: Firmware which is tested for being the child
+ *
+ * A node is considered an ancestor of itself too.
+ *
+ * Returns true if @test_ancestor is an ancestor of @test_child.
+ * Otherwise, returns false.
+ */
+bool fwnode_is_ancestor_of(struct fwnode_handle *test_ancestor,
+ struct fwnode_handle *test_child)
+{
+ if (!test_ancestor)
+ return false;
+
+ fwnode_handle_get(test_child);
+ while (test_child) {
+ if (test_child == test_ancestor) {
+ fwnode_handle_put(test_child);
+ return true;
+ }
+ test_child = fwnode_get_next_parent(test_child);
+ }
+ return false;
+}
+
+/**
* fwnode_get_next_child_node - Return the next child node handle for a node
* @fwnode: Firmware node to find the next child node for.
* @child: Handle to one of the node's child nodes or a %NULL handle.
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index 206bd4d7..c9867ce 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -48,6 +48,19 @@ EXPORT_SYMBOL_GPL(is_software_node);
struct swnode, fwnode) : NULL; \
})
+static inline struct swnode *dev_to_swnode(struct device *dev)
+{
+ struct fwnode_handle *fwnode = dev_fwnode(dev);
+
+ if (!fwnode)
+ return NULL;
+
+ if (!is_software_node(fwnode))
+ fwnode = fwnode->secondary;
+
+ return to_swnode(fwnode);
+}
+
static struct swnode *
software_node_to_swnode(const struct software_node *node)
{
@@ -657,7 +670,7 @@ swnode_register(const struct software_node *node, struct swnode *parent,
swnode->parent = parent;
swnode->allocated = allocated;
swnode->kobj.kset = swnode_kset;
- swnode->fwnode.ops = &software_node_ops;
+ fwnode_init(&swnode->fwnode, &software_node_ops);
ida_init(&swnode->child_ids);
INIT_LIST_HEAD(&swnode->entry);
@@ -850,26 +863,83 @@ void fwnode_remove_software_node(struct fwnode_handle *fwnode)
}
EXPORT_SYMBOL_GPL(fwnode_remove_software_node);
-int software_node_notify(struct device *dev, unsigned long action)
+/**
+ * device_add_software_node - Assign software node to a device
+ * @dev: The device the software node is meant for.
+ * @node: The software node.
+ *
+ * This function will make @node the secondary firmware node pointer of @dev. If
+ * @dev has no primary node, then @node will become the primary node. The
+ * function will register @node automatically if it wasn't already registered.
+ */
+int device_add_software_node(struct device *dev, const struct software_node *node)
{
- struct fwnode_handle *fwnode = dev_fwnode(dev);
struct swnode *swnode;
int ret;
- if (!fwnode)
- return 0;
+ /* Only one software node per device. */
+ if (dev_to_swnode(dev))
+ return -EBUSY;
- if (!is_software_node(fwnode))
- fwnode = fwnode->secondary;
- if (!is_software_node(fwnode))
- return 0;
+ swnode = software_node_to_swnode(node);
+ if (swnode) {
+ kobject_get(&swnode->kobj);
+ } else {
+ ret = software_node_register(node);
+ if (ret)
+ return ret;
- swnode = to_swnode(fwnode);
+ swnode = software_node_to_swnode(node);
+ }
+
+ set_secondary_fwnode(dev, &swnode->fwnode);
+
+ /*
+ * If the device has been fully registered by the time this function is
+ * called, software_node_notify() must be called separately so that the
+ * symlinks get created and the reference count of the node is kept in
+ * balance.
+ */
+ if (device_is_registered(dev))
+ software_node_notify(dev, KOBJ_ADD);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(device_add_software_node);
+
+/**
+ * device_remove_software_node - Remove device's software node
+ * @dev: The device with the software node.
+ *
+ * This function will unregister the software node of @dev.
+ */
+void device_remove_software_node(struct device *dev)
+{
+ struct swnode *swnode;
+
+ swnode = dev_to_swnode(dev);
+ if (!swnode)
+ return;
+
+ if (device_is_registered(dev))
+ software_node_notify(dev, KOBJ_REMOVE);
+ set_secondary_fwnode(dev, NULL);
+ kobject_put(&swnode->kobj);
+}
+EXPORT_SYMBOL_GPL(device_remove_software_node);
+
+int software_node_notify(struct device *dev, unsigned long action)
+{
+ struct swnode *swnode;
+ int ret;
+
+ swnode = dev_to_swnode(dev);
+ if (!swnode)
+ return 0;
switch (action) {
case KOBJ_ADD:
- ret = sysfs_create_link(&dev->kobj, &swnode->kobj,
- "software_node");
+ ret = sysfs_create_link(&dev->kobj, &swnode->kobj, "software_node");
if (ret)
break;
diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c
index 13db1f7..3a9527d 100644
--- a/drivers/base/syscore.c
+++ b/drivers/base/syscore.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/suspend.h>
#include <trace/events/power.h>
+#include <linux/wakeup_reason.h>
static LIST_HEAD(syscore_ops_list);
static DEFINE_MUTEX(syscore_ops_lock);
@@ -73,7 +74,9 @@ int syscore_suspend(void)
return 0;
err_out:
- pr_err("PM: System core suspend callback %pS failed.\n", ops->suspend);
+ log_suspend_abort_reason("System core suspend callback %pS failed",
+ ops->suspend);
+ pr_err("PM: System core suspend callback %pF failed.\n", ops->suspend);
list_for_each_entry_continue(ops, &syscore_ops_list, node)
if (ops->resume)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index ee537a9..dea2499 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -2104,7 +2104,8 @@ static int loop_add(struct loop_device **l, int i)
lo->tag_set.queue_depth = 128;
lo->tag_set.numa_node = NUMA_NO_NODE;
lo->tag_set.cmd_size = sizeof(struct loop_cmd);
- lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING;
+ lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING |
+ BLK_MQ_F_NO_SCHED_BY_DEFAULT;
lo->tag_set.driver_data = lo;
err = blk_mq_alloc_tag_set(&lo->tag_set);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 42acf95..018fb17 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -228,8 +228,6 @@ static blk_status_t virtio_queue_rq(struct blk_mq_hw_ctx *hctx,
bool unmap = false;
u32 type;
- BUG_ON(req->nr_phys_segments + 2 > vblk->sg_elems);
-
switch (req_op(req)) {
case REQ_OP_READ:
case REQ_OP_WRITE:
@@ -253,6 +251,10 @@ static blk_status_t virtio_queue_rq(struct blk_mq_hw_ctx *hctx,
return BLK_STS_IOERR;
}
+ BUG_ON(type != VIRTIO_BLK_T_DISCARD &&
+ type != VIRTIO_BLK_T_WRITE_ZEROES &&
+ (req->nr_phys_segments + 2 > vblk->sg_elems));
+
vbr->out_hdr.type = cpu_to_virtio32(vblk->vdev, type);
vbr->out_hdr.sector = type ?
0 : cpu_to_virtio64(vblk->vdev, blk_rq_pos(req));
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 0636df6..a8b8538 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -477,7 +477,7 @@ static ssize_t backing_dev_store(struct device *dev,
if (sz > 0 && file_name[sz - 1] == '\n')
file_name[sz - 1] = 0x00;
- backing_dev = filp_open(file_name, O_RDWR|O_LARGEFILE, 0);
+ backing_dev = filp_open_block(file_name, O_RDWR|O_LARGEFILE, 0);
if (IS_ERR(backing_dev)) {
err = PTR_ERR(backing_dev);
backing_dev = NULL;
@@ -620,15 +620,19 @@ static int read_from_bdev_async(struct zram *zram, struct bio_vec *bvec,
return 1;
}
+#define PAGE_WB_SIG "page_index="
+
+#define PAGE_WRITEBACK 0
#define HUGE_WRITEBACK 1
#define IDLE_WRITEBACK 2
+
static ssize_t writeback_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t len)
{
struct zram *zram = dev_to_zram(dev);
unsigned long nr_pages = zram->disksize >> PAGE_SHIFT;
- unsigned long index;
+ unsigned long index = 0;
struct bio bio;
struct bio_vec bio_vec;
struct page *page;
@@ -640,8 +644,17 @@ static ssize_t writeback_store(struct device *dev,
mode = IDLE_WRITEBACK;
else if (sysfs_streq(buf, "huge"))
mode = HUGE_WRITEBACK;
- else
- return -EINVAL;
+ else {
+ if (strncmp(buf, PAGE_WB_SIG, sizeof(PAGE_WB_SIG) - 1))
+ return -EINVAL;
+
+ if (kstrtol(buf + sizeof(PAGE_WB_SIG) - 1, 10, &index) ||
+ index >= nr_pages)
+ return -EINVAL;
+
+ nr_pages = 1;
+ mode = PAGE_WRITEBACK;
+ }
down_read(&zram->init_lock);
if (!init_done(zram)) {
@@ -660,7 +673,7 @@ static ssize_t writeback_store(struct device *dev,
goto release_init_lock;
}
- for (index = 0; index < nr_pages; index++) {
+ for (; nr_pages != 0; index++, nr_pages--) {
struct bio_vec bvec;
bvec.bv_page = page;
@@ -1372,13 +1385,14 @@ static int __zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
__GFP_KSWAPD_RECLAIM |
__GFP_NOWARN |
__GFP_HIGHMEM |
- __GFP_MOVABLE);
+ __GFP_MOVABLE |
+ __GFP_CMA);
if (!handle) {
zcomp_stream_put(zram->comp);
atomic64_inc(&zram->stats.writestall);
handle = zs_malloc(zram->mem_pool, comp_len,
GFP_NOIO | __GFP_HIGHMEM |
- __GFP_MOVABLE);
+ __GFP_MOVABLE | __GFP_CMA);
if (handle)
goto compress_again;
return -ENOMEM;
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 8ea5ca8..3764ceb 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -654,6 +654,7 @@ static const struct h4_recv_pkt bcm_recv_pkts[] = {
{ H4_RECV_ACL, .recv = hci_recv_frame },
{ H4_RECV_SCO, .recv = hci_recv_frame },
{ H4_RECV_EVENT, .recv = hci_recv_frame },
+ { H4_RECV_ISO, .recv = hci_recv_frame },
{ BCM_RECV_LM_DIAG, .recv = hci_recv_diag },
{ BCM_RECV_NULL, .recv = hci_recv_diag },
{ BCM_RECV_TYPE49, .recv = hci_recv_diag },
diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c
index b0ded41..67947a1 100644
--- a/drivers/char/hw_random/nomadik-rng.c
+++ b/drivers/char/hw_random/nomadik-rng.c
@@ -69,11 +69,10 @@ static int nmk_rng_probe(struct amba_device *dev, const struct amba_id *id)
return ret;
}
-static int nmk_rng_remove(struct amba_device *dev)
+static void nmk_rng_remove(struct amba_device *dev)
{
amba_release_regions(dev);
clk_disable(rng_clk);
- return 0;
}
static const struct amba_id nmk_rng_ids[] = {
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index f6a1474..ca5141e 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -60,7 +60,7 @@ static DEFINE_MUTEX(misc_mtx);
/*
* Assigned numbers, used for dynamic minors
*/
-#define DYNAMIC_MINORS 64 /* like dynamic majors */
+#define DYNAMIC_MINORS 128 /* like dynamic majors */
static DECLARE_BITMAP(misc_minors, DYNAMIC_MINORS);
#ifdef CONFIG_PROC_FS
diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
index 2ddb54f..2e7fedf 100644
--- a/drivers/clk/clk-composite.c
+++ b/drivers/clk/clk-composite.c
@@ -361,6 +361,7 @@ struct clk *clk_register_composite(struct device *dev, const char *name,
return ERR_CAST(hw);
return hw->clk;
}
+EXPORT_SYMBOL_GPL(clk_register_composite);
struct clk *clk_register_composite_pdata(struct device *dev, const char *name,
const struct clk_parent_data *parent_data,
diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c
index c754dfb..f3da304 100644
--- a/drivers/clk/clk-scmi.c
+++ b/drivers/clk/clk-scmi.c
@@ -2,7 +2,7 @@
/*
* System Control and Power Interface (SCMI) Protocol based clock driver
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
#include <linux/clk-provider.h>
@@ -13,11 +13,13 @@
#include <linux/scmi_protocol.h>
#include <asm/div64.h>
+static const struct scmi_clk_proto_ops *clk_ops;
+
struct scmi_clk {
u32 id;
struct clk_hw hw;
const struct scmi_clock_info *info;
- const struct scmi_handle *handle;
+ const struct scmi_protocol_handle *ph;
};
#define to_scmi_clk(clk) container_of(clk, struct scmi_clk, hw)
@@ -29,7 +31,7 @@ static unsigned long scmi_clk_recalc_rate(struct clk_hw *hw,
u64 rate;
struct scmi_clk *clk = to_scmi_clk(hw);
- ret = clk->handle->clk_ops->rate_get(clk->handle, clk->id, &rate);
+ ret = clk_ops->rate_get(clk->ph, clk->id, &rate);
if (ret)
return 0;
return rate;
@@ -69,21 +71,21 @@ static int scmi_clk_set_rate(struct clk_hw *hw, unsigned long rate,
{
struct scmi_clk *clk = to_scmi_clk(hw);
- return clk->handle->clk_ops->rate_set(clk->handle, clk->id, rate);
+ return clk_ops->rate_set(clk->ph, clk->id, rate);
}
static int scmi_clk_enable(struct clk_hw *hw)
{
struct scmi_clk *clk = to_scmi_clk(hw);
- return clk->handle->clk_ops->enable(clk->handle, clk->id);
+ return clk_ops->enable(clk->ph, clk->id);
}
static void scmi_clk_disable(struct clk_hw *hw)
{
struct scmi_clk *clk = to_scmi_clk(hw);
- clk->handle->clk_ops->disable(clk->handle, clk->id);
+ clk_ops->disable(clk->ph, clk->id);
}
static const struct clk_ops scmi_clk_ops = {
@@ -142,11 +144,16 @@ static int scmi_clocks_probe(struct scmi_device *sdev)
struct device *dev = &sdev->dev;
struct device_node *np = dev->of_node;
const struct scmi_handle *handle = sdev->handle;
+ struct scmi_protocol_handle *ph;
- if (!handle || !handle->clk_ops)
+ if (!handle)
return -ENODEV;
- count = handle->clk_ops->count_get(handle);
+ clk_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_CLOCK, &ph);
+ if (IS_ERR(clk_ops))
+ return PTR_ERR(clk_ops);
+
+ count = clk_ops->count_get(ph);
if (count < 0) {
dev_err(dev, "%pOFn: invalid clock output count\n", np);
return -EINVAL;
@@ -167,14 +174,14 @@ static int scmi_clocks_probe(struct scmi_device *sdev)
if (!sclk)
return -ENOMEM;
- sclk->info = handle->clk_ops->info_get(handle, idx);
+ sclk->info = clk_ops->info_get(ph, idx);
if (!sclk->info) {
dev_dbg(dev, "invalid clock info for idx %d\n", idx);
continue;
}
sclk->id = idx;
- sclk->handle = handle;
+ sclk->ph = ph;
err = scmi_clk_ops_init(dev, sclk);
if (err) {
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 61c7871..f047d33 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -72,6 +72,8 @@ struct clk_core {
unsigned long flags;
bool orphan;
bool rpm_enabled;
+ bool need_sync;
+ bool boot_enabled;
unsigned int enable_count;
unsigned int prepare_count;
unsigned int protect_count;
@@ -1194,6 +1196,10 @@ static void __init clk_unprepare_unused_subtree(struct clk_core *core)
hlist_for_each_entry(child, &core->children, child_node)
clk_unprepare_unused_subtree(child);
+ if (dev_has_sync_state(core->dev) &&
+ !(core->flags & CLK_DONT_HOLD_STATE))
+ return;
+
if (core->prepare_count)
return;
@@ -1225,6 +1231,10 @@ static void __init clk_disable_unused_subtree(struct clk_core *core)
hlist_for_each_entry(child, &core->children, child_node)
clk_disable_unused_subtree(child);
+ if (dev_has_sync_state(core->dev) &&
+ !(core->flags & CLK_DONT_HOLD_STATE))
+ return;
+
if (core->flags & CLK_OPS_PARENT_ENABLE)
clk_core_prepare_enable(core->parent);
@@ -1298,6 +1308,38 @@ static int __init clk_disable_unused(void)
}
late_initcall_sync(clk_disable_unused);
+static void clk_unprepare_disable_dev_subtree(struct clk_core *core,
+ struct device *dev)
+{
+ struct clk_core *child;
+
+ lockdep_assert_held(&prepare_lock);
+
+ hlist_for_each_entry(child, &core->children, child_node)
+ clk_unprepare_disable_dev_subtree(child, dev);
+
+ if (core->dev != dev || !core->need_sync)
+ return;
+
+ clk_core_disable_unprepare(core);
+}
+
+void clk_sync_state(struct device *dev)
+{
+ struct clk_core *core;
+
+ clk_prepare_lock();
+
+ hlist_for_each_entry(core, &clk_root_list, child_node)
+ clk_unprepare_disable_dev_subtree(core, dev);
+
+ hlist_for_each_entry(core, &clk_orphan_list, child_node)
+ clk_unprepare_disable_dev_subtree(core, dev);
+
+ clk_prepare_unlock();
+}
+EXPORT_SYMBOL_GPL(clk_sync_state);
+
static int clk_core_determine_round_nolock(struct clk_core *core,
struct clk_rate_request *req)
{
@@ -1704,6 +1746,33 @@ int clk_hw_get_parent_index(struct clk_hw *hw)
}
EXPORT_SYMBOL_GPL(clk_hw_get_parent_index);
+static void clk_core_hold_state(struct clk_core *core)
+{
+ if (core->need_sync || !core->boot_enabled)
+ return;
+
+ if (core->orphan || !dev_has_sync_state(core->dev))
+ return;
+
+ if (core->flags & CLK_DONT_HOLD_STATE)
+ return;
+
+ core->need_sync = !clk_core_prepare_enable(core);
+}
+
+static void __clk_core_update_orphan_hold_state(struct clk_core *core)
+{
+ struct clk_core *child;
+
+ if (core->orphan)
+ return;
+
+ clk_core_hold_state(core);
+
+ hlist_for_each_entry(child, &core->children, child_node)
+ __clk_core_update_orphan_hold_state(child);
+}
+
/*
* Update the orphan status of @core and all its children.
*/
@@ -2010,6 +2079,13 @@ static struct clk_core *clk_propagate_rate_change(struct clk_core *core,
fail_clk = core;
}
+ if (core->ops->pre_rate_change) {
+ ret = core->ops->pre_rate_change(core->hw, core->rate,
+ core->new_rate);
+ if (ret)
+ fail_clk = core;
+ }
+
hlist_for_each_entry(child, &core->children, child_node) {
/* Skip children who will be reparented to another clock */
if (child->new_parent && child->new_parent != core)
@@ -2112,6 +2188,9 @@ static void clk_change_rate(struct clk_core *core)
if (core->flags & CLK_RECALC_NEW_RATES)
(void)clk_calc_new_rates(core, core->new_rate);
+ if (core->ops->post_rate_change)
+ core->ops->post_rate_change(core->hw, old_rate, core->rate);
+
/*
* Use safe iteration, as change_rate can actually swap parents
* for certain clock types.
@@ -3028,7 +3107,7 @@ static int clk_dump_show(struct seq_file *s, void *data)
}
DEFINE_SHOW_ATTRIBUTE(clk_dump);
-#undef CLOCK_ALLOW_WRITE_DEBUGFS
+#define CLOCK_ALLOW_WRITE_DEBUGFS
#ifdef CLOCK_ALLOW_WRITE_DEBUGFS
/*
* This can be dangerous, therefore don't provide any real compile time
@@ -3366,6 +3445,7 @@ static void clk_core_reparent_orphans_nolock(void)
__clk_set_parent_after(orphan, parent, NULL);
__clk_recalc_accuracies(orphan);
__clk_recalc_rates(orphan, 0);
+ __clk_core_update_orphan_hold_state(orphan);
}
}
}
@@ -3524,6 +3604,8 @@ static int __clk_core_init(struct clk_core *core)
rate = 0;
core->rate = core->req_rate = rate;
+ core->boot_enabled = clk_core_is_enabled(core);
+
/*
* Enable CLK_IS_CRITICAL clocks so newly added critical clocks
* don't get accidentally disabled when walking the orphan tree and
@@ -3550,6 +3632,7 @@ static int __clk_core_init(struct clk_core *core)
}
}
+ clk_core_hold_state(core);
clk_core_reparent_orphans_nolock();
@@ -3667,6 +3750,24 @@ struct clk *clk_hw_create_clk(struct device *dev, struct clk_hw *hw,
return clk;
}
+/**
+ * clk_hw_get_clk - get clk consumer given an clk_hw
+ * @hw: clk_hw associated with the clk being consumed
+ * @con_id: connection ID string on device
+ *
+ * Returns: new clk consumer
+ * This is the function to be used by providers which need
+ * to get a consumer clk and act on the clock element
+ * Calls to this function must be balanced with calls clk_put()
+ */
+struct clk *clk_hw_get_clk(struct clk_hw *hw, const char *con_id)
+{
+ struct device *dev = hw->core->dev;
+
+ return clk_hw_create_clk(dev, hw, dev_name(dev), con_id);
+}
+EXPORT_SYMBOL(clk_hw_get_clk);
+
static int clk_cpy_name(const char **dst_p, const char *src, bool must_exist)
{
const char *dst;
@@ -4068,12 +4169,12 @@ void clk_hw_unregister(struct clk_hw *hw)
}
EXPORT_SYMBOL_GPL(clk_hw_unregister);
-static void devm_clk_release(struct device *dev, void *res)
+static void devm_clk_unregister_cb(struct device *dev, void *res)
{
clk_unregister(*(struct clk **)res);
}
-static void devm_clk_hw_release(struct device *dev, void *res)
+static void devm_clk_hw_unregister_cb(struct device *dev, void *res)
{
clk_hw_unregister(*(struct clk_hw **)res);
}
@@ -4093,7 +4194,7 @@ struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw)
struct clk *clk;
struct clk **clkp;
- clkp = devres_alloc(devm_clk_release, sizeof(*clkp), GFP_KERNEL);
+ clkp = devres_alloc(devm_clk_unregister_cb, sizeof(*clkp), GFP_KERNEL);
if (!clkp)
return ERR_PTR(-ENOMEM);
@@ -4123,7 +4224,7 @@ int devm_clk_hw_register(struct device *dev, struct clk_hw *hw)
struct clk_hw **hwp;
int ret;
- hwp = devres_alloc(devm_clk_hw_release, sizeof(*hwp), GFP_KERNEL);
+ hwp = devres_alloc(devm_clk_hw_unregister_cb, sizeof(*hwp), GFP_KERNEL);
if (!hwp)
return -ENOMEM;
@@ -4167,7 +4268,7 @@ static int devm_clk_hw_match(struct device *dev, void *res, void *data)
*/
void devm_clk_unregister(struct device *dev, struct clk *clk)
{
- WARN_ON(devres_release(dev, devm_clk_release, devm_clk_match, clk));
+ WARN_ON(devres_release(dev, devm_clk_unregister_cb, devm_clk_match, clk));
}
EXPORT_SYMBOL_GPL(devm_clk_unregister);
@@ -4182,11 +4283,54 @@ EXPORT_SYMBOL_GPL(devm_clk_unregister);
*/
void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw)
{
- WARN_ON(devres_release(dev, devm_clk_hw_release, devm_clk_hw_match,
+ WARN_ON(devres_release(dev, devm_clk_hw_unregister_cb, devm_clk_hw_match,
hw));
}
EXPORT_SYMBOL_GPL(devm_clk_hw_unregister);
+static void devm_clk_release(struct device *dev, void *res)
+{
+ clk_put(*(struct clk **)res);
+}
+
+/**
+ * devm_clk_hw_get_clk - resource managed clk_hw_get_clk()
+ * @dev: device that is registering this clock
+ * @hw: clk_hw associated with the clk being consumed
+ * @con_id: connection ID string on device
+ *
+ * Managed clk_hw_get_clk(). Clocks got with this function are
+ * automatically clk_put() on driver detach. See clk_put()
+ * for more information.
+ */
+struct clk *devm_clk_hw_get_clk(struct device *dev, struct clk_hw *hw,
+ const char *con_id)
+{
+ struct clk *clk;
+ struct clk **clkp;
+
+ /* This should not happen because it would mean we have drivers
+ * passing around clk_hw pointers instead of having the caller use
+ * proper clk_get() style APIs
+ */
+ WARN_ON_ONCE(dev != hw->core->dev);
+
+ clkp = devres_alloc(devm_clk_release, sizeof(*clkp), GFP_KERNEL);
+ if (!clkp)
+ return ERR_PTR(-ENOMEM);
+
+ clk = clk_hw_get_clk(hw, con_id);
+ if (!IS_ERR(clk)) {
+ *clkp = clk;
+ devres_add(dev, clkp);
+ } else {
+ devres_free(clkp);
+ }
+
+ return clk;
+}
+EXPORT_SYMBOL_GPL(devm_clk_hw_get_clk);
+
/*
* clkdev helpers
*/
@@ -4329,6 +4473,42 @@ int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb)
}
EXPORT_SYMBOL_GPL(clk_notifier_unregister);
+struct clk_notifier_devres {
+ struct clk *clk;
+ struct notifier_block *nb;
+};
+
+static void devm_clk_notifier_release(struct device *dev, void *res)
+{
+ struct clk_notifier_devres *devres = res;
+
+ clk_notifier_unregister(devres->clk, devres->nb);
+}
+
+int devm_clk_notifier_register(struct device *dev, struct clk *clk,
+ struct notifier_block *nb)
+{
+ struct clk_notifier_devres *devres;
+ int ret;
+
+ devres = devres_alloc(devm_clk_notifier_release,
+ sizeof(*devres), GFP_KERNEL);
+
+ if (!devres)
+ return -ENOMEM;
+
+ ret = clk_notifier_register(clk, nb);
+ if (!ret) {
+ devres->clk = clk;
+ devres->nb = nb;
+ } else {
+ devres_free(devres);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(devm_clk_notifier_register);
+
#ifdef CONFIG_OF
static void clk_core_reparent_orphans(void)
{
@@ -4421,6 +4601,9 @@ int of_clk_add_provider(struct device_node *np,
struct of_clk_provider *cp;
int ret;
+ if (!np)
+ return 0;
+
cp = kzalloc(sizeof(*cp), GFP_KERNEL);
if (!cp)
return -ENOMEM;
@@ -4440,6 +4623,8 @@ int of_clk_add_provider(struct device_node *np,
if (ret < 0)
of_clk_del_provider(np);
+ fwnode_dev_initialized(&np->fwnode, true);
+
return ret;
}
EXPORT_SYMBOL_GPL(of_clk_add_provider);
@@ -4458,6 +4643,9 @@ int of_clk_add_hw_provider(struct device_node *np,
struct of_clk_provider *cp;
int ret;
+ if (!np)
+ return 0;
+
cp = kzalloc(sizeof(*cp), GFP_KERNEL);
if (!cp)
return -ENOMEM;
@@ -4553,10 +4741,14 @@ void of_clk_del_provider(struct device_node *np)
{
struct of_clk_provider *cp;
+ if (!np)
+ return;
+
mutex_lock(&of_clk_mutex);
list_for_each_entry(cp, &of_clk_providers, link) {
if (cp->node == np) {
list_del(&cp->link);
+ fwnode_dev_initialized(&np->fwnode, false);
of_node_put(cp->node);
kfree(cp);
break;
diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c
index 7e1b136..aaf31ab 100644
--- a/drivers/clk/keystone/sci-clk.c
+++ b/drivers/clk/keystone/sci-clk.c
@@ -503,8 +503,8 @@ static int ti_sci_scan_clocks_from_fw(struct sci_clk_provider *provider)
#else
-static int _cmp_sci_clk_list(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int _cmp_sci_clk_list(void *priv, struct list_head *a,
+ struct list_head *b)
{
struct sci_clk *ca = container_of(a, struct sci_clk, node);
struct sci_clk *cb = container_of(b, struct sci_clk, node);
diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
index 9a8a548..fc002c1 100644
--- a/drivers/clk/meson/Kconfig
+++ b/drivers/clk/meson/Kconfig
@@ -58,7 +58,7 @@
want peripherals and CPU frequency scaling to work.
config COMMON_CLK_GXBB
- bool "GXBB and GXL SoC clock controllers support"
+ tristate "GXBB and GXL SoC clock controllers support"
depends on ARM64
default y
select COMMON_CLK_MESON_REGMAP
@@ -74,7 +74,7 @@
Say Y if you want peripherals and CPU frequency scaling to work.
config COMMON_CLK_AXG
- bool "AXG SoC clock controllers support"
+ tristate "AXG SoC clock controllers support"
depends on ARM64
default y
select COMMON_CLK_MESON_REGMAP
@@ -100,7 +100,7 @@
aka axg, Say Y if you want audio subsystem to work.
config COMMON_CLK_G12A
- bool "G12 and SM1 SoC clock controllers support"
+ tristate "G12 and SM1 SoC clock controllers support"
depends on ARM64
default y
select COMMON_CLK_MESON_REGMAP
diff --git a/drivers/clk/meson/axg-aoclk.c b/drivers/clk/meson/axg-aoclk.c
index b488b40..af6db43 100644
--- a/drivers/clk/meson/axg-aoclk.c
+++ b/drivers/clk/meson/axg-aoclk.c
@@ -12,6 +12,7 @@
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
#include <linux/mfd/syscon.h>
+#include <linux/module.h>
#include "meson-aoclk.h"
#include "axg-aoclk.h"
@@ -326,6 +327,7 @@ static const struct of_device_id axg_aoclkc_match_table[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(of, axg_aoclkc_match_table);
static struct platform_driver axg_aoclkc_driver = {
.probe = meson_aoclkc_probe,
@@ -335,4 +337,5 @@ static struct platform_driver axg_aoclkc_driver = {
},
};
-builtin_platform_driver(axg_aoclkc_driver);
+module_platform_driver(axg_aoclkc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index 13fc000..7ca7ea7 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/module.h>
#include "clk-regmap.h"
#include "clk-pll.h"
@@ -1354,6 +1355,7 @@ static const struct of_device_id clkc_match_table[] = {
{ .compatible = "amlogic,axg-clkc", .data = &axg_clkc_data },
{}
};
+MODULE_DEVICE_TABLE(of, clkc_match_table);
static struct platform_driver axg_driver = {
.probe = meson_eeclkc_probe,
@@ -1363,4 +1365,5 @@ static struct platform_driver axg_driver = {
},
};
-builtin_platform_driver(axg_driver);
+module_platform_driver(axg_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/g12a-aoclk.c b/drivers/clk/meson/g12a-aoclk.c
index 6249956..b52990e 100644
--- a/drivers/clk/meson/g12a-aoclk.c
+++ b/drivers/clk/meson/g12a-aoclk.c
@@ -12,6 +12,7 @@
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
#include <linux/mfd/syscon.h>
+#include <linux/module.h>
#include "meson-aoclk.h"
#include "g12a-aoclk.h"
@@ -461,6 +462,7 @@ static const struct of_device_id g12a_aoclkc_match_table[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(of, g12a_aoclkc_match_table);
static struct platform_driver g12a_aoclkc_driver = {
.probe = meson_aoclkc_probe,
@@ -470,4 +472,5 @@ static struct platform_driver g12a_aoclkc_driver = {
},
};
-builtin_platform_driver(g12a_aoclkc_driver);
+module_platform_driver(g12a_aoclkc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c
index 2876bb8..203fa44 100644
--- a/drivers/clk/meson/g12a.c
+++ b/drivers/clk/meson/g12a.c
@@ -15,6 +15,7 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/module.h>
#include "clk-mpll.h"
#include "clk-pll.h"
@@ -5156,10 +5157,11 @@ static const struct reg_sequence g12a_init_regs[] = {
{ .reg = HHI_MPLL_CNTL0, .def = 0x00000543 },
};
-static int meson_g12a_dvfs_setup_common(struct platform_device *pdev,
+#define DVFS_CON_ID "dvfs"
+
+static int meson_g12a_dvfs_setup_common(struct device *dev,
struct clk_hw **hws)
{
- const char *notifier_clk_name;
struct clk *notifier_clk;
struct clk_hw *xtal;
int ret;
@@ -5168,21 +5170,22 @@ static int meson_g12a_dvfs_setup_common(struct platform_device *pdev,
/* Setup clock notifier for cpu_clk_postmux0 */
g12a_cpu_clk_postmux0_nb_data.xtal = xtal;
- notifier_clk_name = clk_hw_get_name(&g12a_cpu_clk_postmux0.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk,
- &g12a_cpu_clk_postmux0_nb_data.nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12a_cpu_clk_postmux0.hw,
+ DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12a_cpu_clk_postmux0_nb_data.nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the cpu_clk_postmux0 notifier\n");
+ dev_err(dev, "failed to register the cpu_clk_postmux0 notifier\n");
return ret;
}
/* Setup clock notifier for cpu_clk_dyn mux */
- notifier_clk_name = clk_hw_get_name(&g12a_cpu_clk_dyn.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12a_cpu_clk_dyn.hw,
+ DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12a_cpu_clk_mux_nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the cpu_clk_dyn notifier\n");
+ dev_err(dev, "failed to register the cpu_clk_dyn notifier\n");
return ret;
}
@@ -5192,33 +5195,34 @@ static int meson_g12a_dvfs_setup_common(struct platform_device *pdev,
static int meson_g12b_dvfs_setup(struct platform_device *pdev)
{
struct clk_hw **hws = g12b_hw_onecell_data.hws;
- const char *notifier_clk_name;
+ struct device *dev = &pdev->dev;
struct clk *notifier_clk;
struct clk_hw *xtal;
int ret;
- ret = meson_g12a_dvfs_setup_common(pdev, hws);
+ ret = meson_g12a_dvfs_setup_common(dev, hws);
if (ret)
return ret;
xtal = clk_hw_get_parent_by_index(hws[CLKID_CPU_CLK_DYN1_SEL], 0);
/* Setup clock notifier for cpu_clk mux */
- notifier_clk_name = clk_hw_get_name(&g12b_cpu_clk.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpu_clk.hw,
+ DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12a_cpu_clk_mux_nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the cpu_clk notifier\n");
+ dev_err(dev, "failed to register the cpu_clk notifier\n");
return ret;
}
/* Setup clock notifier for sys1_pll */
- notifier_clk_name = clk_hw_get_name(&g12b_sys1_pll.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk,
- &g12b_cpu_clk_sys1_pll_nb_data.nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12b_sys1_pll.hw,
+ DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12b_cpu_clk_sys1_pll_nb_data.nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the sys1_pll notifier\n");
+ dev_err(dev, "failed to register the sys1_pll notifier\n");
return ret;
}
@@ -5226,40 +5230,39 @@ static int meson_g12b_dvfs_setup(struct platform_device *pdev)
/* Setup clock notifier for cpub_clk_postmux0 */
g12b_cpub_clk_postmux0_nb_data.xtal = xtal;
- notifier_clk_name = clk_hw_get_name(&g12b_cpub_clk_postmux0.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk,
- &g12b_cpub_clk_postmux0_nb_data.nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpub_clk_postmux0.hw,
+ DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12b_cpub_clk_postmux0_nb_data.nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the cpub_clk_postmux0 notifier\n");
+ dev_err(dev, "failed to register the cpub_clk_postmux0 notifier\n");
return ret;
}
/* Setup clock notifier for cpub_clk_dyn mux */
- notifier_clk_name = clk_hw_get_name(&g12b_cpub_clk_dyn.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpub_clk_dyn.hw, "dvfs");
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12a_cpu_clk_mux_nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the cpub_clk_dyn notifier\n");
+ dev_err(dev, "failed to register the cpub_clk_dyn notifier\n");
return ret;
}
/* Setup clock notifier for cpub_clk mux */
- notifier_clk_name = clk_hw_get_name(&g12b_cpub_clk.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12b_cpub_clk.hw, DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12a_cpu_clk_mux_nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the cpub_clk notifier\n");
+ dev_err(dev, "failed to register the cpub_clk notifier\n");
return ret;
}
/* Setup clock notifier for sys_pll */
- notifier_clk_name = clk_hw_get_name(&g12a_sys_pll.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk,
- &g12b_cpub_clk_sys_pll_nb_data.nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12a_sys_pll.hw, DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12b_cpub_clk_sys_pll_nb_data.nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the sys_pll notifier\n");
+ dev_err(dev, "failed to register the sys_pll notifier\n");
return ret;
}
@@ -5269,29 +5272,29 @@ static int meson_g12b_dvfs_setup(struct platform_device *pdev)
static int meson_g12a_dvfs_setup(struct platform_device *pdev)
{
struct clk_hw **hws = g12a_hw_onecell_data.hws;
- const char *notifier_clk_name;
+ struct device *dev = &pdev->dev;
struct clk *notifier_clk;
int ret;
- ret = meson_g12a_dvfs_setup_common(pdev, hws);
+ ret = meson_g12a_dvfs_setup_common(dev, hws);
if (ret)
return ret;
/* Setup clock notifier for cpu_clk mux */
- notifier_clk_name = clk_hw_get_name(&g12a_cpu_clk.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk, &g12a_cpu_clk_mux_nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12a_cpu_clk.hw, DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12a_cpu_clk_mux_nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the cpu_clk notifier\n");
+ dev_err(dev, "failed to register the cpu_clk notifier\n");
return ret;
}
/* Setup clock notifier for sys_pll */
- notifier_clk_name = clk_hw_get_name(&g12a_sys_pll.hw);
- notifier_clk = __clk_lookup(notifier_clk_name);
- ret = clk_notifier_register(notifier_clk, &g12a_sys_pll_nb_data.nb);
+ notifier_clk = devm_clk_hw_get_clk(dev, &g12a_sys_pll.hw, DVFS_CON_ID);
+ ret = devm_clk_notifier_register(dev, notifier_clk,
+ &g12a_sys_pll_nb_data.nb);
if (ret) {
- dev_err(&pdev->dev, "failed to register the sys_pll notifier\n");
+ dev_err(dev, "failed to register the sys_pll notifier\n");
return ret;
}
@@ -5370,6 +5373,7 @@ static const struct of_device_id clkc_match_table[] = {
},
{}
};
+MODULE_DEVICE_TABLE(of, clkc_match_table);
static struct platform_driver g12a_driver = {
.probe = meson_g12a_probe,
@@ -5379,4 +5383,5 @@ static struct platform_driver g12a_driver = {
},
};
-builtin_platform_driver(g12a_driver);
+module_platform_driver(g12a_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/gxbb-aoclk.c b/drivers/clk/meson/gxbb-aoclk.c
index e940861..fce95cf 100644
--- a/drivers/clk/meson/gxbb-aoclk.c
+++ b/drivers/clk/meson/gxbb-aoclk.c
@@ -5,6 +5,7 @@
*/
#include <linux/platform_device.h>
#include <linux/mfd/syscon.h>
+#include <linux/module.h>
#include "meson-aoclk.h"
#include "gxbb-aoclk.h"
@@ -287,6 +288,7 @@ static const struct of_device_id gxbb_aoclkc_match_table[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(of, gxbb_aoclkc_match_table);
static struct platform_driver gxbb_aoclkc_driver = {
.probe = meson_aoclkc_probe,
@@ -295,4 +297,5 @@ static struct platform_driver gxbb_aoclkc_driver = {
.of_match_table = gxbb_aoclkc_match_table,
},
};
-builtin_platform_driver(gxbb_aoclkc_driver);
+module_platform_driver(gxbb_aoclkc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 0a68af6..d6eed76 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -8,6 +8,7 @@
#include <linux/init.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/module.h>
#include "gxbb.h"
#include "clk-regmap.h"
@@ -3519,6 +3520,7 @@ static const struct of_device_id clkc_match_table[] = {
{ .compatible = "amlogic,gxl-clkc", .data = &gxl_clkc_data },
{},
};
+MODULE_DEVICE_TABLE(of, clkc_match_table);
static struct platform_driver gxbb_driver = {
.probe = meson_eeclkc_probe,
@@ -3528,4 +3530,5 @@ static struct platform_driver gxbb_driver = {
},
};
-builtin_platform_driver(gxbb_driver);
+module_platform_driver(gxbb_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/meson-aoclk.c b/drivers/clk/meson/meson-aoclk.c
index 3a6d84c..27cd2c1 100644
--- a/drivers/clk/meson/meson-aoclk.c
+++ b/drivers/clk/meson/meson-aoclk.c
@@ -14,6 +14,8 @@
#include <linux/reset-controller.h>
#include <linux/mfd/syscon.h>
#include <linux/of_device.h>
+#include <linux/module.h>
+
#include <linux/slab.h>
#include "meson-aoclk.h"
@@ -84,3 +86,5 @@ int meson_aoclkc_probe(struct platform_device *pdev)
return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
(void *) data->hw_data);
}
+EXPORT_SYMBOL_GPL(meson_aoclkc_probe);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/meson/meson-eeclk.c b/drivers/clk/meson/meson-eeclk.c
index a7cb1e7..8d5a5da 100644
--- a/drivers/clk/meson/meson-eeclk.c
+++ b/drivers/clk/meson/meson-eeclk.c
@@ -9,6 +9,7 @@
#include <linux/platform_device.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
+#include <linux/module.h>
#include "clk-regmap.h"
#include "meson-eeclk.h"
@@ -54,3 +55,5 @@ int meson_eeclkc_probe(struct platform_device *pdev)
return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
data->hw_onecell_data);
}
+EXPORT_SYMBOL_GPL(meson_eeclkc_probe);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/qcom/dispcc-sdm845.c b/drivers/clk/qcom/dispcc-sdm845.c
index 5c932cd..11e03f7 100644
--- a/drivers/clk/qcom/dispcc-sdm845.c
+++ b/drivers/clk/qcom/dispcc-sdm845.c
@@ -3,6 +3,7 @@
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*/
+#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -878,6 +879,7 @@ static struct platform_driver disp_cc_sdm845_driver = {
.driver = {
.name = "disp_cc-sdm845",
.of_match_table = disp_cc_sdm845_match_table,
+ .sync_state = clk_sync_state,
},
};
diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c
index b8dcfe6..6839358 100644
--- a/drivers/clk/qcom/gcc-msm8998.c
+++ b/drivers/clk/qcom/gcc-msm8998.c
@@ -3119,6 +3119,7 @@ static struct platform_driver gcc_msm8998_driver = {
.driver = {
.name = "gcc-msm8998",
.of_match_table = gcc_msm8998_match_table,
+ .sync_state = clk_sync_state,
},
};
diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c
index 90f7feb..50694f5 100644
--- a/drivers/clk/qcom/gcc-sdm845.c
+++ b/drivers/clk/qcom/gcc-sdm845.c
@@ -3628,6 +3628,7 @@ static struct platform_driver gcc_sdm845_driver = {
.driver = {
.name = "gcc-sdm845",
.of_match_table = gcc_sdm845_match_table,
+ .sync_state = clk_sync_state,
},
};
diff --git a/drivers/clk/qcom/gpucc-sdm845.c b/drivers/clk/qcom/gpucc-sdm845.c
index 5663698..46916a7 100644
--- a/drivers/clk/qcom/gpucc-sdm845.c
+++ b/drivers/clk/qcom/gpucc-sdm845.c
@@ -208,6 +208,7 @@ static struct platform_driver gpu_cc_sdm845_driver = {
.driver = {
.name = "sdm845-gpucc",
.of_match_table = gpu_cc_sdm845_match_table,
+ .sync_state = clk_sync_state,
},
};
diff --git a/drivers/clk/qcom/videocc-sdm845.c b/drivers/clk/qcom/videocc-sdm845.c
index 5d6a772..5822252 100644
--- a/drivers/clk/qcom/videocc-sdm845.c
+++ b/drivers/clk/qcom/videocc-sdm845.c
@@ -338,6 +338,7 @@ static struct platform_driver video_cc_sdm845_driver = {
.driver = {
.name = "sdm845-videocc",
.of_match_table = video_cc_sdm845_match_table,
+ .sync_state = clk_sync_state,
},
};
diff --git a/drivers/clk/versatile/Kconfig b/drivers/clk/versatile/Kconfig
index 91f0ff5..792315d 100644
--- a/drivers/clk/versatile/Kconfig
+++ b/drivers/clk/versatile/Kconfig
@@ -1,8 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
menu "Clock driver for ARM Reference designs"
- depends on ARCH_INTEGRATOR || ARCH_REALVIEW || \
- ARCH_VERSATILE || ARCH_VEXPRESS || COMPILE_TEST
config ICST
bool "Clock driver for ARM Reference designs ICST"
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index a0c6e88..df50146 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -128,7 +128,7 @@
Enables the support for the RDA Micro timer driver.
config SUN4I_TIMER
- bool "Sun4i timer driver" if COMPILE_TEST
+ bool "Sun4i timer driver"
depends on HAS_IOMEM
select CLKSRC_MMIO
select TIMER_OF
@@ -478,7 +478,7 @@
bool
config MTK_TIMER
- bool "Mediatek timer driver" if COMPILE_TEST
+ bool "Mediatek timer driver"
depends on HAS_IOMEM
select TIMER_OF
select CLKSRC_MMIO
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 2acfcc966b..09be548 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -664,7 +664,7 @@ static void sh_cmt_clocksource_suspend(struct clocksource *cs)
return;
sh_cmt_stop(ch, FLAG_CLOCKSOURCE);
- pm_genpd_syscore_poweroff(&ch->cmt->pdev->dev);
+ dev_pm_genpd_suspend(&ch->cmt->pdev->dev);
}
static void sh_cmt_clocksource_resume(struct clocksource *cs)
@@ -674,7 +674,7 @@ static void sh_cmt_clocksource_resume(struct clocksource *cs)
if (!ch->cs_enabled)
return;
- pm_genpd_syscore_poweron(&ch->cmt->pdev->dev);
+ dev_pm_genpd_resume(&ch->cmt->pdev->dev);
sh_cmt_start(ch, FLAG_CLOCKSOURCE);
}
@@ -766,7 +766,7 @@ static void sh_cmt_clock_event_suspend(struct clock_event_device *ced)
{
struct sh_cmt_channel *ch = ced_to_sh_cmt(ced);
- pm_genpd_syscore_poweroff(&ch->cmt->pdev->dev);
+ dev_pm_genpd_suspend(&ch->cmt->pdev->dev);
clk_unprepare(ch->cmt->clk);
}
@@ -775,7 +775,7 @@ static void sh_cmt_clock_event_resume(struct clock_event_device *ced)
struct sh_cmt_channel *ch = ced_to_sh_cmt(ced);
clk_prepare(ch->cmt->clk);
- pm_genpd_syscore_poweron(&ch->cmt->pdev->dev);
+ dev_pm_genpd_resume(&ch->cmt->pdev->dev);
}
static int sh_cmt_register_clockevent(struct sh_cmt_channel *ch,
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index bfccb31..169a1fc 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -297,12 +297,12 @@ static int sh_mtu2_clock_event_set_periodic(struct clock_event_device *ced)
static void sh_mtu2_clock_event_suspend(struct clock_event_device *ced)
{
- pm_genpd_syscore_poweroff(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
+ dev_pm_genpd_suspend(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
}
static void sh_mtu2_clock_event_resume(struct clock_event_device *ced)
{
- pm_genpd_syscore_poweron(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
+ dev_pm_genpd_resume(&ced_to_sh_mtu2(ced)->mtu->pdev->dev);
}
static void sh_mtu2_register_clockevent(struct sh_mtu2_channel *ch,
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index d41df9b..b00dec0 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -292,7 +292,7 @@ static void sh_tmu_clocksource_suspend(struct clocksource *cs)
if (--ch->enable_count == 0) {
__sh_tmu_disable(ch);
- pm_genpd_syscore_poweroff(&ch->tmu->pdev->dev);
+ dev_pm_genpd_suspend(&ch->tmu->pdev->dev);
}
}
@@ -304,7 +304,7 @@ static void sh_tmu_clocksource_resume(struct clocksource *cs)
return;
if (ch->enable_count++ == 0) {
- pm_genpd_syscore_poweron(&ch->tmu->pdev->dev);
+ dev_pm_genpd_resume(&ch->tmu->pdev->dev);
__sh_tmu_enable(ch);
}
}
@@ -394,12 +394,12 @@ static int sh_tmu_clock_event_next(unsigned long delta,
static void sh_tmu_clock_event_suspend(struct clock_event_device *ced)
{
- pm_genpd_syscore_poweroff(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
+ dev_pm_genpd_suspend(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
}
static void sh_tmu_clock_event_resume(struct clock_event_device *ced)
{
- pm_genpd_syscore_poweron(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
+ dev_pm_genpd_resume(&ced_to_sh_tmu(ced)->tmu->pdev->dev);
}
static void sh_tmu_register_clockevent(struct sh_tmu_channel *ch,
diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index 572da47..fd3b868 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -19,7 +19,7 @@
*
* Free the irq resource
*/
-static __init void timer_of_irq_exit(struct of_timer_irq *of_irq)
+static void timer_of_irq_exit(struct of_timer_irq *of_irq)
{
struct timer_of *to = container_of(of_irq, struct timer_of, of_irq);
@@ -47,7 +47,7 @@ static __init void timer_of_irq_exit(struct of_timer_irq *of_irq)
*
* Returns 0 on success, < 0 otherwise
*/
-static __init int timer_of_irq_init(struct device_node *np,
+static int timer_of_irq_init(struct device_node *np,
struct of_timer_irq *of_irq)
{
int ret;
@@ -91,7 +91,7 @@ static __init int timer_of_irq_init(struct device_node *np,
*
* Disables and releases the refcount on the clk
*/
-static __init void timer_of_clk_exit(struct of_timer_clk *of_clk)
+static void timer_of_clk_exit(struct of_timer_clk *of_clk)
{
of_clk->rate = 0;
clk_disable_unprepare(of_clk->clk);
@@ -107,7 +107,7 @@ static __init void timer_of_clk_exit(struct of_timer_clk *of_clk)
*
* Returns 0 on success, < 0 otherwise
*/
-static __init int timer_of_clk_init(struct device_node *np,
+static int timer_of_clk_init(struct device_node *np,
struct of_timer_clk *of_clk)
{
int ret;
@@ -146,12 +146,12 @@ static __init int timer_of_clk_init(struct device_node *np,
goto out;
}
-static __init void timer_of_base_exit(struct of_timer_base *of_base)
+static void timer_of_base_exit(struct of_timer_base *of_base)
{
iounmap(of_base->base);
}
-static __init int timer_of_base_init(struct device_node *np,
+static int timer_of_base_init(struct device_node *np,
struct of_timer_base *of_base)
{
of_base->base = of_base->name ?
@@ -165,7 +165,7 @@ static __init int timer_of_base_init(struct device_node *np,
return 0;
}
-int __init timer_of_init(struct device_node *np, struct timer_of *to)
+int timer_of_init(struct device_node *np, struct timer_of *to)
{
int ret = -EINVAL;
int flags = 0;
@@ -209,6 +209,7 @@ int __init timer_of_init(struct device_node *np, struct timer_of *to)
timer_of_base_exit(&to->of_base);
return ret;
}
+EXPORT_SYMBOL_GPL(timer_of_init);
/**
* timer_of_cleanup - release timer_of ressources
@@ -217,7 +218,7 @@ int __init timer_of_init(struct device_node *np, struct timer_of *to)
* Release the ressources that has been used in timer_of_init().
* This function should be called in init error cases
*/
-void __init timer_of_cleanup(struct timer_of *to)
+void timer_of_cleanup(struct timer_of *to)
{
if (to->flags & TIMER_OF_IRQ)
timer_of_irq_exit(&to->of_irq);
diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h
index a5478f3..1b8cfac5 100644
--- a/drivers/clocksource/timer-of.h
+++ b/drivers/clocksource/timer-of.h
@@ -66,9 +66,9 @@ static inline unsigned long timer_of_period(struct timer_of *to)
return to->of_clk.period;
}
-extern int __init timer_of_init(struct device_node *np,
+extern int timer_of_init(struct device_node *np,
struct timer_of *to);
-extern void __init timer_of_cleanup(struct timer_of *to);
+extern void timer_of_cleanup(struct timer_of *to);
#endif
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 85de313..cf79fe1 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -34,6 +34,13 @@
If in doubt, say N.
+config CPU_FREQ_TIMES
+ bool "CPU frequency time-in-state statistics"
+ help
+ Export CPU time-in-state information through procfs.
+
+ If in doubt, say N.
+
choice
prompt "Default CPUFreq governor"
default CPU_FREQ_DEFAULT_GOV_USERSPACE if ARM_SA1100_CPUFREQ || ARM_SA1110_CPUFREQ
@@ -226,6 +233,15 @@
If in doubt, say N.
+config CPUFREQ_DUMMY
+ tristate "Dummy CPU frequency driver"
+ help
+ This option adds a generic dummy CPUfreq driver, which sets a fake
+ 2-frequency table when initializing each policy and otherwise does
+ nothing.
+
+ If in doubt, say N
+
if X86
source "drivers/cpufreq/Kconfig.x86"
endif
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index f1b7e3d..b2f4531 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -5,7 +5,10 @@
# CPUfreq stats
obj-$(CONFIG_CPU_FREQ_STAT) += cpufreq_stats.o
-# CPUfreq governors
+# CPUfreq times
+obj-$(CONFIG_CPU_FREQ_TIMES) += cpufreq_times.o
+
+# CPUfreq governors
obj-$(CONFIG_CPU_FREQ_GOV_PERFORMANCE) += cpufreq_performance.o
obj-$(CONFIG_CPU_FREQ_GOV_POWERSAVE) += cpufreq_powersave.o
obj-$(CONFIG_CPU_FREQ_GOV_USERSPACE) += cpufreq_userspace.o
@@ -17,6 +20,8 @@
obj-$(CONFIG_CPUFREQ_DT) += cpufreq-dt.o
obj-$(CONFIG_CPUFREQ_DT_PLATDEV) += cpufreq-dt-platdev.o
+obj-$(CONFIG_CPUFREQ_DUMMY) += dummy-cpufreq.o
+
##################################################################################
# x86 drivers.
# Link order matters. K8 is preferred to ACPI because of firmware bugs in early
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 8e159fb..2414762 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -16,6 +16,7 @@
#include <linux/cpu.h>
#include <linux/cpufreq.h>
+#include <linux/cpufreq_times.h>
#include <linux/cpu_cooling.h>
#include <linux/delay.h>
#include <linux/device.h>
@@ -29,6 +30,7 @@
#include <linux/syscore_ops.h>
#include <linux/tick.h>
#include <trace/events/power.h>
+#include <trace/hooks/cpufreq.h>
static LIST_HEAD(cpufreq_policy_list);
@@ -387,7 +389,9 @@ static void cpufreq_notify_transition(struct cpufreq_policy *policy,
CPUFREQ_POSTCHANGE, freqs);
cpufreq_stats_record_transition(policy, freqs->new);
+ cpufreq_times_record_transition(policy, freqs->new);
policy->cur = freqs->new;
+ trace_android_rvh_cpufreq_transition(policy);
}
}
@@ -539,7 +543,10 @@ EXPORT_SYMBOL_GPL(cpufreq_disable_fast_switch);
unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy,
unsigned int target_freq)
{
+ unsigned int old_target_freq = target_freq;
+
target_freq = clamp_val(target_freq, policy->min, policy->max);
+ trace_android_vh_cpufreq_resolve_freq(policy, target_freq, old_target_freq);
policy->cached_target_freq = target_freq;
if (cpufreq_driver->target_index) {
@@ -688,8 +695,16 @@ static ssize_t show_##file_name \
return sprintf(buf, "%u\n", policy->object); \
}
+static ssize_t show_cpuinfo_max_freq(struct cpufreq_policy *policy, char *buf)
+{
+ unsigned int max_freq = policy->cpuinfo.max_freq;
+
+ trace_android_vh_show_max_freq(policy, &max_freq);
+ trace_android_rvh_show_max_freq(policy, &max_freq);
+ return sprintf(buf, "%u\n", max_freq);
+}
+
show_one(cpuinfo_min_freq, cpuinfo.min_freq);
-show_one(cpuinfo_max_freq, cpuinfo.max_freq);
show_one(cpuinfo_transition_latency, cpuinfo.transition_latency);
show_one(scaling_min_freq, min);
show_one(scaling_max_freq, max);
@@ -1483,6 +1498,7 @@ static int cpufreq_online(unsigned int cpu)
goto out_destroy_policy;
cpufreq_stats_create_table(policy);
+ cpufreq_times_create_policy(policy);
write_lock_irqsave(&cpufreq_driver_lock, flags);
list_add(&policy->policy_list, &cpufreq_policy_list);
@@ -2080,9 +2096,11 @@ unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
{
unsigned int freq;
+ unsigned int old_target_freq = target_freq;
int cpu;
target_freq = clamp_val(target_freq, policy->min, policy->max);
+ trace_android_vh_cpufreq_fast_switch(policy, target_freq, old_target_freq);
freq = cpufreq_driver->fast_switch(policy, target_freq);
if (!freq)
@@ -2092,6 +2110,8 @@ unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
arch_set_freq_scale(policy->related_cpus, freq,
policy->cpuinfo.max_freq);
cpufreq_stats_record_transition(policy, freq);
+ cpufreq_times_record_transition(policy, freq);
+ trace_android_rvh_cpufreq_transition(policy);
if (trace_cpu_frequency_enabled()) {
for_each_cpu(cpu, policy->cpus)
@@ -2197,6 +2217,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
/* Make sure that target_freq is within supported range */
target_freq = clamp_val(target_freq, policy->min, policy->max);
+ trace_android_vh_cpufreq_target(policy, target_freq, old_target_freq);
pr_debug("target for CPU %u: %u kHz, relation %u, requested %u kHz\n",
policy->cpu, target_freq, relation, old_target_freq);
@@ -2517,7 +2538,6 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy,
ret = cpufreq_start_governor(policy);
if (!ret) {
pr_debug("governor change\n");
- sched_cpufreq_governor_change(policy, old_gov);
return 0;
}
cpufreq_exit_governor(policy);
@@ -2535,6 +2555,7 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy,
return ret;
}
+EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_frequency_limits);
/**
* cpufreq_update_policy - Re-evaluate an existing cpufreq policy.
diff --git a/drivers/cpufreq/cpufreq_times.c b/drivers/cpufreq/cpufreq_times.c
new file mode 100644
index 0000000..47dc34c
--- /dev/null
+++ b/drivers/cpufreq/cpufreq_times.c
@@ -0,0 +1,214 @@
+/* drivers/cpufreq/cpufreq_times.c
+ *
+ * Copyright (C) 2018 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/cpufreq.h>
+#include <linux/cpufreq_times.h>
+#include <linux/jiffies.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/threads.h>
+#include <trace/hooks/cpufreq.h>
+
+static DEFINE_SPINLOCK(task_time_in_state_lock); /* task->time_in_state */
+
+/**
+ * struct cpu_freqs - per-cpu frequency information
+ * @offset: start of these freqs' stats in task time_in_state array
+ * @max_state: number of entries in freq_table
+ * @last_index: index in freq_table of last frequency switched to
+ * @freq_table: list of available frequencies
+ */
+struct cpu_freqs {
+ unsigned int offset;
+ unsigned int max_state;
+ unsigned int last_index;
+ unsigned int freq_table[0];
+};
+
+static struct cpu_freqs *all_freqs[NR_CPUS];
+
+static unsigned int next_offset;
+
+void cpufreq_task_times_init(struct task_struct *p)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&task_time_in_state_lock, flags);
+ p->time_in_state = NULL;
+ spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+ p->max_state = 0;
+}
+
+void cpufreq_task_times_alloc(struct task_struct *p)
+{
+ void *temp;
+ unsigned long flags;
+ unsigned int max_state = READ_ONCE(next_offset);
+
+ /* We use one array to avoid multiple allocs per task */
+ temp = kcalloc(max_state, sizeof(p->time_in_state[0]), GFP_ATOMIC);
+ if (!temp)
+ return;
+
+ spin_lock_irqsave(&task_time_in_state_lock, flags);
+ p->time_in_state = temp;
+ spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+ p->max_state = max_state;
+}
+
+/* Caller must hold task_time_in_state_lock */
+static int cpufreq_task_times_realloc_locked(struct task_struct *p)
+{
+ void *temp;
+ unsigned int max_state = READ_ONCE(next_offset);
+
+ temp = krealloc(p->time_in_state, max_state * sizeof(u64), GFP_ATOMIC);
+ if (!temp)
+ return -ENOMEM;
+ p->time_in_state = temp;
+ memset(p->time_in_state + p->max_state, 0,
+ (max_state - p->max_state) * sizeof(u64));
+ p->max_state = max_state;
+ return 0;
+}
+
+void cpufreq_task_times_exit(struct task_struct *p)
+{
+ unsigned long flags;
+ void *temp;
+
+ if (!p->time_in_state)
+ return;
+
+ spin_lock_irqsave(&task_time_in_state_lock, flags);
+ temp = p->time_in_state;
+ p->time_in_state = NULL;
+ spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+ kfree(temp);
+}
+
+int proc_time_in_state_show(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *p)
+{
+ unsigned int cpu, i;
+ u64 cputime;
+ unsigned long flags;
+ struct cpu_freqs *freqs;
+ struct cpu_freqs *last_freqs = NULL;
+
+ spin_lock_irqsave(&task_time_in_state_lock, flags);
+ for_each_possible_cpu(cpu) {
+ freqs = all_freqs[cpu];
+ if (!freqs || freqs == last_freqs)
+ continue;
+ last_freqs = freqs;
+
+ seq_printf(m, "cpu%u\n", cpu);
+ for (i = 0; i < freqs->max_state; i++) {
+ cputime = 0;
+ if (freqs->offset + i < p->max_state &&
+ p->time_in_state)
+ cputime = p->time_in_state[freqs->offset + i];
+ seq_printf(m, "%u %lu\n", freqs->freq_table[i],
+ (unsigned long)nsec_to_clock_t(cputime));
+ }
+ }
+ spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+ return 0;
+}
+
+void cpufreq_acct_update_power(struct task_struct *p, u64 cputime)
+{
+ unsigned long flags;
+ unsigned int state;
+ struct cpu_freqs *freqs = all_freqs[task_cpu(p)];
+
+ if (!freqs || is_idle_task(p) || p->flags & PF_EXITING)
+ return;
+
+ state = freqs->offset + READ_ONCE(freqs->last_index);
+
+ spin_lock_irqsave(&task_time_in_state_lock, flags);
+ if ((state < p->max_state || !cpufreq_task_times_realloc_locked(p)) &&
+ p->time_in_state)
+ p->time_in_state[state] += cputime;
+ spin_unlock_irqrestore(&task_time_in_state_lock, flags);
+
+ trace_android_vh_cpufreq_acct_update_power(cputime, p, state);
+}
+
+static int cpufreq_times_get_index(struct cpu_freqs *freqs, unsigned int freq)
+{
+ int index;
+ for (index = 0; index < freqs->max_state; ++index) {
+ if (freqs->freq_table[index] == freq)
+ return index;
+ }
+ return -1;
+}
+
+void cpufreq_times_create_policy(struct cpufreq_policy *policy)
+{
+ int cpu, index = 0;
+ unsigned int count = 0;
+ struct cpufreq_frequency_table *pos, *table;
+ struct cpu_freqs *freqs;
+ void *tmp;
+
+ if (all_freqs[policy->cpu])
+ return;
+
+ table = policy->freq_table;
+ if (!table)
+ return;
+
+ cpufreq_for_each_valid_entry(pos, table)
+ count++;
+
+ tmp = kzalloc(sizeof(*freqs) + sizeof(freqs->freq_table[0]) * count,
+ GFP_KERNEL);
+ if (!tmp)
+ return;
+
+ freqs = tmp;
+ freqs->max_state = count;
+
+ cpufreq_for_each_valid_entry(pos, table)
+ freqs->freq_table[index++] = pos->frequency;
+
+ index = cpufreq_times_get_index(freqs, policy->cur);
+ if (index >= 0)
+ WRITE_ONCE(freqs->last_index, index);
+
+ freqs->offset = next_offset;
+ WRITE_ONCE(next_offset, freqs->offset + count);
+ for_each_cpu(cpu, policy->related_cpus)
+ all_freqs[cpu] = freqs;
+}
+
+void cpufreq_times_record_transition(struct cpufreq_policy *policy,
+ unsigned int new_freq)
+{
+ int index;
+ struct cpu_freqs *freqs = all_freqs[policy->cpu];
+ if (!freqs)
+ return;
+
+ index = cpufreq_times_get_index(freqs, new_freq);
+ if (index >= 0)
+ WRITE_ONCE(freqs->last_index, index);
+}
diff --git a/drivers/cpufreq/dummy-cpufreq.c b/drivers/cpufreq/dummy-cpufreq.c
new file mode 100644
index 0000000..e74ef67
--- /dev/null
+++ b/drivers/cpufreq/dummy-cpufreq.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Google, Inc.
+ */
+#include <linux/cpufreq.h>
+#include <linux/module.h>
+
+static struct cpufreq_frequency_table freq_table[] = {
+ { .frequency = 1 },
+ { .frequency = 2 },
+ { .frequency = CPUFREQ_TABLE_END },
+};
+
+static int dummy_cpufreq_target_index(struct cpufreq_policy *policy,
+ unsigned int index)
+{
+ return 0;
+}
+
+static int dummy_cpufreq_driver_init(struct cpufreq_policy *policy)
+{
+ policy->freq_table = freq_table;
+ return 0;
+}
+
+static unsigned int dummy_cpufreq_get(unsigned int cpu)
+{
+ return 1;
+}
+
+static int dummy_cpufreq_verify(struct cpufreq_policy_data *data)
+{
+ return 0;
+}
+
+static struct cpufreq_driver dummy_cpufreq_driver = {
+ .name = "dummy",
+ .target_index = dummy_cpufreq_target_index,
+ .init = dummy_cpufreq_driver_init,
+ .get = dummy_cpufreq_get,
+ .verify = dummy_cpufreq_verify,
+ .attr = cpufreq_generic_attr,
+};
+
+static int __init dummy_cpufreq_init(void)
+{
+ return cpufreq_register_driver(&dummy_cpufreq_driver);
+}
+
+static void __exit dummy_cpufreq_exit(void)
+{
+ cpufreq_unregister_driver(&dummy_cpufreq_driver);
+}
+
+module_init(dummy_cpufreq_init);
+module_exit(dummy_cpufreq_exit);
+
+MODULE_AUTHOR("Connor O'Brien <connoro@google.com>");
+MODULE_DESCRIPTION("dummy cpufreq driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
index d3f756f..483b518 100644
--- a/drivers/cpufreq/freq_table.c
+++ b/drivers/cpufreq/freq_table.c
@@ -9,6 +9,7 @@
#include <linux/cpufreq.h>
#include <linux/module.h>
+#include <trace/hooks/cpufreq.h>
/*********************************************************************
* FREQUENCY TABLE HELPERS *
@@ -51,6 +52,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
max_freq = freq;
}
+ trace_android_vh_freq_table_limits(policy, min_freq, max_freq);
policy->min = policy->cpuinfo.min_freq = min_freq;
policy->max = max_freq;
/*
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c
index 8286205..e4c2ee3 100644
--- a/drivers/cpufreq/scmi-cpufreq.c
+++ b/drivers/cpufreq/scmi-cpufreq.c
@@ -25,17 +25,17 @@ struct scmi_data {
struct device *cpu_dev;
};
-static const struct scmi_handle *handle;
+static struct scmi_protocol_handle *ph;
+static const struct scmi_perf_proto_ops *perf_ops;
static unsigned int scmi_cpufreq_get_rate(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get_raw(cpu);
- const struct scmi_perf_ops *perf_ops = handle->perf_ops;
struct scmi_data *priv = policy->driver_data;
unsigned long rate;
int ret;
- ret = perf_ops->freq_get(handle, priv->domain_id, &rate, false);
+ ret = perf_ops->freq_get(ph, priv->domain_id, &rate, false);
if (ret)
return 0;
return rate / 1000;
@@ -50,19 +50,17 @@ static int
scmi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index)
{
struct scmi_data *priv = policy->driver_data;
- const struct scmi_perf_ops *perf_ops = handle->perf_ops;
u64 freq = policy->freq_table[index].frequency;
- return perf_ops->freq_set(handle, priv->domain_id, freq * 1000, false);
+ return perf_ops->freq_set(ph, priv->domain_id, freq * 1000, false);
}
static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
{
struct scmi_data *priv = policy->driver_data;
- const struct scmi_perf_ops *perf_ops = handle->perf_ops;
- if (!perf_ops->freq_set(handle, priv->domain_id,
+ if (!perf_ops->freq_set(ph, priv->domain_id,
target_freq * 1000, true))
return target_freq;
@@ -75,7 +73,7 @@ scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
int cpu, domain, tdomain;
struct device *tcpu_dev;
- domain = handle->perf_ops->device_domain_id(cpu_dev);
+ domain = perf_ops->device_domain_id(cpu_dev);
if (domain < 0)
return domain;
@@ -87,7 +85,7 @@ scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
if (!tcpu_dev)
continue;
- tdomain = handle->perf_ops->device_domain_id(tcpu_dev);
+ tdomain = perf_ops->device_domain_id(tcpu_dev);
if (tdomain == domain)
cpumask_set_cpu(cpu, cpumask);
}
@@ -102,13 +100,13 @@ scmi_get_cpu_power(unsigned long *power, unsigned long *KHz,
unsigned long Hz;
int ret, domain;
- domain = handle->perf_ops->device_domain_id(cpu_dev);
+ domain = perf_ops->device_domain_id(cpu_dev);
if (domain < 0)
return domain;
/* Get the power cost of the performance domain. */
Hz = *KHz * 1000;
- ret = handle->perf_ops->est_power_get(handle, domain, &Hz, power);
+ ret = perf_ops->est_power_get(ph, domain, &Hz, power);
if (ret)
return ret;
@@ -126,6 +124,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
struct scmi_data *priv;
struct cpufreq_frequency_table *freq_table;
struct em_data_callback em_cb = EM_DATA_CB(scmi_get_cpu_power);
+ bool power_scale_mw;
cpu_dev = get_cpu_device(policy->cpu);
if (!cpu_dev) {
@@ -133,7 +132,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
return -ENODEV;
}
- ret = handle->perf_ops->device_opps_add(handle, cpu_dev);
+ ret = perf_ops->device_opps_add(ph, cpu_dev);
if (ret) {
dev_warn(cpu_dev, "failed to add opps to the device\n");
return ret;
@@ -172,7 +171,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
}
priv->cpu_dev = cpu_dev;
- priv->domain_id = handle->perf_ops->device_domain_id(cpu_dev);
+ priv->domain_id = perf_ops->device_domain_id(cpu_dev);
policy->driver_data = priv;
policy->freq_table = freq_table;
@@ -180,16 +179,18 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy)
/* SCMI allows DVFS request for any domain from any CPU */
policy->dvfs_possible_from_any_cpu = true;
- latency = handle->perf_ops->transition_latency_get(handle, cpu_dev);
+ latency = perf_ops->transition_latency_get(ph, cpu_dev);
if (!latency)
latency = CPUFREQ_ETERNAL;
policy->cpuinfo.transition_latency = latency;
policy->fast_switch_possible =
- handle->perf_ops->fast_switch_possible(handle, cpu_dev);
+ perf_ops->fast_switch_possible(ph, cpu_dev);
- em_dev_register_perf_domain(cpu_dev, nr_opp, &em_cb, policy->cpus);
+ power_scale_mw = perf_ops->power_scale_mw_get(ph);
+ em_dev_register_perf_domain(cpu_dev, nr_opp, &em_cb, policy->cpus,
+ power_scale_mw);
return 0;
@@ -230,12 +231,17 @@ static int scmi_cpufreq_probe(struct scmi_device *sdev)
{
int ret;
struct device *dev = &sdev->dev;
+ const struct scmi_handle *handle;
handle = sdev->handle;
- if (!handle || !handle->perf_ops)
+ if (!handle)
return -ENODEV;
+ perf_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_PERF, &ph);
+ if (IS_ERR(perf_ops))
+ return PTR_ERR(perf_ops);
+
#ifdef CONFIG_COMMON_CLK
/* dummy clock provider as needed by OPP if clocks property is used */
if (of_find_property(dev->of_node, "#clock-cells", NULL))
diff --git a/drivers/cpuidle/cpuidle-psci-domain.c b/drivers/cpuidle/cpuidle-psci-domain.c
index 4a031c6..ff2c3f8 100644
--- a/drivers/cpuidle/cpuidle-psci-domain.c
+++ b/drivers/cpuidle/cpuidle-psci-domain.c
@@ -327,6 +327,8 @@ struct device *psci_dt_attach_cpu(int cpu)
if (cpu_online(cpu))
pm_runtime_get_sync(dev);
+ dev_pm_syscore_device(dev, true);
+
return dev;
}
diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c
index d928b37..efc063f 100644
--- a/drivers/cpuidle/cpuidle-psci.c
+++ b/drivers/cpuidle/cpuidle-psci.c
@@ -19,11 +19,13 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/psci.h>
+#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <asm/cpuidle.h>
+#include <trace/hooks/cpuidle_psci.h>
#include "cpuidle-psci.h"
#include "dt_idle_states.h"
@@ -52,8 +54,9 @@ static inline int psci_enter_state(int idx, u32 state)
return CPU_PM_CPU_IDLE_ENTER_PARAM(psci_cpu_suspend_enter, idx, state);
}
-static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
- struct cpuidle_driver *drv, int idx)
+static int __psci_enter_domain_idle_state(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int idx,
+ bool s2idle)
{
struct psci_cpuidle_data *data = this_cpu_ptr(&psci_cpuidle_data);
u32 *states = data->psci_states;
@@ -65,8 +68,15 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
if (ret)
return -1;
+ trace_android_vh_cpuidle_psci_enter(dev, s2idle);
+
/* Do runtime PM to manage a hierarchical CPU toplogy. */
- RCU_NONIDLE(pm_runtime_put_sync_suspend(pd_dev));
+ rcu_irq_enter_irqson();
+ if (s2idle)
+ dev_pm_genpd_suspend(pd_dev);
+ else
+ pm_runtime_put_sync_suspend(pd_dev);
+ rcu_irq_exit_irqson();
state = psci_get_domain_state();
if (!state)
@@ -74,7 +84,14 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
ret = psci_cpu_suspend_enter(state) ? -1 : idx;
- RCU_NONIDLE(pm_runtime_get_sync(pd_dev));
+ rcu_irq_enter_irqson();
+ if (s2idle)
+ dev_pm_genpd_resume(pd_dev);
+ else
+ pm_runtime_get_sync(pd_dev);
+ rcu_irq_exit_irqson();
+
+ trace_android_vh_cpuidle_psci_exit(dev, s2idle);
cpu_pm_exit();
@@ -83,6 +100,19 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
return ret;
}
+static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int idx)
+{
+ return __psci_enter_domain_idle_state(dev, drv, idx, false);
+}
+
+static int psci_enter_s2idle_domain_idle_state(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv,
+ int idx)
+{
+ return __psci_enter_domain_idle_state(dev, drv, idx, true);
+}
+
static int psci_idle_cpuhp_up(unsigned int cpu)
{
struct device *pd_dev = __this_cpu_read(psci_cpuidle_data.dev);
@@ -170,6 +200,7 @@ static int psci_dt_cpu_init_topology(struct cpuidle_driver *drv,
* deeper states.
*/
drv->states[state_count - 1].enter = psci_enter_domain_idle_state;
+ drv->states[state_count - 1].enter_s2idle = psci_enter_s2idle_domain_idle_state;
psci_cpuidle_use_cpuhp = true;
return 0;
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 83af15f..ab77a36 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -24,6 +24,7 @@
#include <linux/tick.h>
#include <linux/mmu_context.h>
#include <trace/events/power.h>
+#include <trace/hooks/cpuidle.h>
#include "cpuidle.h"
@@ -202,11 +203,22 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,
{
int entered_state;
- struct cpuidle_state *target_state = &drv->states[index];
- bool broadcast = !!(target_state->flags & CPUIDLE_FLAG_TIMER_STOP);
+ struct cpuidle_state *target_state;
+ bool broadcast;
ktime_t time_start, time_end;
/*
+ * The vendor hook may modify index, which means target_state and
+ * broadcast must be assigned after the vendor hook.
+ */
+ trace_android_vh_cpu_idle_enter(&index, dev);
+ if (index < 0)
+ return index;
+
+ target_state = &drv->states[index];
+ broadcast = !!(target_state->flags & CPUIDLE_FLAG_TIMER_STOP);
+
+ /*
* Tell the time framework to switch to a broadcast timer because our
* local timer will be shut down. If a local timer is used from another
* CPU as a broadcast timer, this call may fail if it is not available.
@@ -242,6 +254,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,
sched_clock_idle_wakeup_event();
time_end = ns_to_ktime(local_clock());
trace_cpu_idle(PWR_EVENT_EXIT, dev->cpu);
+ trace_android_vh_cpu_idle_exit(entered_state, dev);
/* The cpu is no longer idle or about to enter idle. */
sched_idle_set_state(NULL);
@@ -418,7 +431,7 @@ void cpuidle_uninstall_idle_handler(void)
{
if (enabled_devices) {
initialized = 0;
- wake_up_all_idle_cpus();
+ wake_up_all_online_idle_cpus();
}
/*
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 4070e57..557f59a 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -381,3 +381,4 @@ void cpuidle_driver_state_disabled(struct cpuidle_driver *drv, int idx,
mutex_unlock(&cpuidle_lock);
}
+EXPORT_SYMBOL_GPL(cpuidle_driver_state_disabled);
diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
index 29acaf4..0e51ed2 100644
--- a/drivers/cpuidle/governor.c
+++ b/drivers/cpuidle/governor.c
@@ -102,6 +102,7 @@ int cpuidle_register_governor(struct cpuidle_governor *gov)
return ret;
}
+EXPORT_SYMBOL_GPL(cpuidle_register_governor);
/**
* cpuidle_governor_latency_req - Compute a latency constraint for CPU
@@ -118,3 +119,4 @@ s64 cpuidle_governor_latency_req(unsigned int cpu)
return (s64)device_req * NSEC_PER_USEC;
}
+EXPORT_SYMBOL_GPL(cpuidle_governor_latency_req);
diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index f4f18bf..4ee010f3 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -10,6 +10,7 @@
#include <linux/spinlock.h>
#include <crypto/algapi.h>
#include <crypto/aes.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <linux/io.h>
@@ -434,3 +435,4 @@ module_pci_driver(geode_aes_driver);
MODULE_AUTHOR("Advanced Micro Devices, Inc.");
MODULE_DESCRIPTION("Geode LX Hardware AES driver");
MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 2e15621..30aedfc 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -1999,3 +1999,4 @@ MODULE_AUTHOR("Ofer Heifetz <oferh@marvell.com>");
MODULE_AUTHOR("Igal Liberman <igall@marvell.com>");
MODULE_DESCRIPTION("Support for SafeXcel cryptographic engines: EIP97 & EIP197");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 56d5ccb..b2d5f0a 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -12,6 +12,7 @@
#include <crypto/sha3.h>
#include <crypto/skcipher.h>
#include <crypto/sm3.h>
+#include <crypto/internal/cipher.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/dmapool.h>
diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
index eb9b3be..96b437b 100644
--- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c
+++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
@@ -464,3 +464,4 @@ MODULE_AUTHOR("Intel");
MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
MODULE_ALIAS_CRYPTO("intel_qat");
MODULE_VERSION(ADF_DRV_VERSION);
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index 06abe1e..b939f00 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -4,6 +4,7 @@
#include <linux/slab.h>
#include <linux/crypto.h>
#include <crypto/internal/aead.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/skcipher.h>
#include <crypto/aes.h>
#include <crypto/sha.h>
diff --git a/drivers/crypto/vmx/aes.c b/drivers/crypto/vmx/aes.c
index 2bc5d4e..d05c02b 100644
--- a/drivers/crypto/vmx/aes.c
+++ b/drivers/crypto/vmx/aes.c
@@ -14,6 +14,7 @@
#include <asm/simd.h>
#include <asm/switch_to.h>
#include <crypto/aes.h>
+#include <crypto/internal/cipher.h>
#include <crypto/internal/simd.h>
#include "aesp8-ppc.h"
diff --git a/drivers/crypto/vmx/vmx.c b/drivers/crypto/vmx/vmx.c
index 3e0335fb..87a1944 100644
--- a/drivers/crypto/vmx/vmx.c
+++ b/drivers/crypto/vmx/vmx.c
@@ -78,3 +78,4 @@ MODULE_DESCRIPTION("IBM VMX cryptographic acceleration instructions "
"support on Power 8");
MODULE_LICENSE("GPL");
MODULE_VERSION("1.0.0");
+MODULE_IMPORT_NS(CRYPTO_INTERNAL);
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index 3ca7de3..8634c09 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -65,6 +65,17 @@
allows userspace to allocate dma-bufs that can be shared
between drivers.
+menuconfig DMABUF_SYSFS_STATS
+ bool "DMA-BUF sysfs statistics"
+ select DMA_SHARED_BUFFER
+ help
+ Choose this option to enable DMA-BUF sysfs statistics
+ in location /sys/kernel/dmabuf/buffers.
+
+ /sys/kernel/dmabuf/buffers/<inode_number> will contain
+ statistics for the DMA-BUF with the unique inode number
+ <inode_number>.
+
source "drivers/dma-buf/heaps/Kconfig"
endmenu
diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile
index 995e05f..40d81f2 100644
--- a/drivers/dma-buf/Makefile
+++ b/drivers/dma-buf/Makefile
@@ -6,6 +6,7 @@
obj-$(CONFIG_SYNC_FILE) += sync_file.o
obj-$(CONFIG_SW_SYNC) += sw_sync.o sync_debug.o
obj-$(CONFIG_UDMABUF) += udmabuf.o
+obj-$(CONFIG_DMABUF_SYSFS_STATS) += dma-buf-sysfs-stats.o
dmabuf_selftests-y := \
selftest.o \
diff --git a/drivers/dma-buf/dma-buf-sysfs-stats.c b/drivers/dma-buf/dma-buf-sysfs-stats.c
new file mode 100644
index 0000000..2389a36
--- /dev/null
+++ b/drivers/dma-buf/dma-buf-sysfs-stats.c
@@ -0,0 +1,172 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * DMA-BUF sysfs statistics.
+ *
+ * Copyright (C) 2021 Google LLC.
+ */
+
+#include <linux/dma-buf.h>
+#include <linux/dma-resv.h>
+#include <linux/kobject.h>
+#include <linux/printk.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+
+#include "dma-buf-sysfs-stats.h"
+
+#define to_dma_buf_entry_from_kobj(x) container_of(x, struct dma_buf_sysfs_entry, kobj)
+
+struct dma_buf_stats_attribute {
+ struct attribute attr;
+ ssize_t (*show)(struct dma_buf *dmabuf,
+ struct dma_buf_stats_attribute *attr, char *buf);
+};
+#define to_dma_buf_stats_attr(x) container_of(x, struct dma_buf_stats_attribute, attr)
+
+static ssize_t dma_buf_stats_attribute_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ struct dma_buf_stats_attribute *attribute;
+ struct dma_buf_sysfs_entry *sysfs_entry;
+ struct dma_buf *dmabuf;
+
+ attribute = to_dma_buf_stats_attr(attr);
+ sysfs_entry = to_dma_buf_entry_from_kobj(kobj);
+ dmabuf = sysfs_entry->dmabuf;
+
+ if (!dmabuf || !attribute->show)
+ return -EIO;
+
+ return attribute->show(dmabuf, attribute, buf);
+}
+
+static const struct sysfs_ops dma_buf_stats_sysfs_ops = {
+ .show = dma_buf_stats_attribute_show,
+};
+
+static ssize_t exporter_name_show(struct dma_buf *dmabuf,
+ struct dma_buf_stats_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%s\n", dmabuf->exp_name);
+}
+
+static ssize_t size_show(struct dma_buf *dmabuf,
+ struct dma_buf_stats_attribute *attr,
+ char *buf)
+{
+ return sysfs_emit(buf, "%zu\n", dmabuf->size);
+}
+
+static struct dma_buf_stats_attribute exporter_name_attribute =
+ __ATTR_RO(exporter_name);
+static struct dma_buf_stats_attribute size_attribute = __ATTR_RO(size);
+
+static struct attribute *dma_buf_stats_default_attrs[] = {
+ &exporter_name_attribute.attr,
+ &size_attribute.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(dma_buf_stats_default);
+
+static void dma_buf_sysfs_release(struct kobject *kobj)
+{
+ struct dma_buf_sysfs_entry *sysfs_entry;
+
+ sysfs_entry = to_dma_buf_entry_from_kobj(kobj);
+ kfree(sysfs_entry);
+}
+
+static struct kobj_type dma_buf_ktype = {
+ .sysfs_ops = &dma_buf_stats_sysfs_ops,
+ .release = dma_buf_sysfs_release,
+ .default_groups = dma_buf_stats_default_groups,
+};
+
+void dma_buf_stats_teardown(struct dma_buf *dmabuf)
+{
+ struct dma_buf_sysfs_entry *sysfs_entry;
+
+ sysfs_entry = dmabuf->sysfs_entry;
+ if (!sysfs_entry)
+ return;
+
+ kobject_del(&sysfs_entry->kobj);
+ kobject_put(&sysfs_entry->kobj);
+}
+
+/*
+ * Statistics files do not need to send uevents.
+ */
+static int dmabuf_sysfs_uevent_filter(struct kset *kset, struct kobject *kobj)
+{
+ return 0;
+}
+
+static const struct kset_uevent_ops dmabuf_sysfs_no_uevent_ops = {
+ .filter = dmabuf_sysfs_uevent_filter,
+};
+
+static struct kset *dma_buf_stats_kset;
+static struct kset *dma_buf_per_buffer_stats_kset;
+int dma_buf_init_sysfs_statistics(void)
+{
+ dma_buf_stats_kset = kset_create_and_add("dmabuf",
+ &dmabuf_sysfs_no_uevent_ops,
+ kernel_kobj);
+ if (!dma_buf_stats_kset)
+ return -ENOMEM;
+
+ dma_buf_per_buffer_stats_kset = kset_create_and_add("buffers",
+ &dmabuf_sysfs_no_uevent_ops,
+ &dma_buf_stats_kset->kobj);
+ if (!dma_buf_per_buffer_stats_kset) {
+ kset_unregister(dma_buf_stats_kset);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+void dma_buf_uninit_sysfs_statistics(void)
+{
+ kset_unregister(dma_buf_per_buffer_stats_kset);
+ kset_unregister(dma_buf_stats_kset);
+}
+
+int dma_buf_stats_setup(struct dma_buf *dmabuf)
+{
+ struct dma_buf_sysfs_entry *sysfs_entry;
+ int ret;
+
+ if (!dmabuf || !dmabuf->file)
+ return -EINVAL;
+
+ if (!dmabuf->exp_name) {
+ pr_err("exporter name must not be empty if stats needed\n");
+ return -EINVAL;
+ }
+
+ sysfs_entry = kzalloc(sizeof(struct dma_buf_sysfs_entry), GFP_KERNEL);
+ if (!sysfs_entry)
+ return -ENOMEM;
+
+ sysfs_entry->kobj.kset = dma_buf_per_buffer_stats_kset;
+ sysfs_entry->dmabuf = dmabuf;
+
+ dmabuf->sysfs_entry = sysfs_entry;
+
+ /* create the directory for buffer stats */
+ ret = kobject_init_and_add(&sysfs_entry->kobj, &dma_buf_ktype, NULL,
+ "%lu", file_inode(dmabuf->file)->i_ino);
+ if (ret)
+ goto err_sysfs_dmabuf;
+
+ return 0;
+
+err_sysfs_dmabuf:
+ kobject_put(&sysfs_entry->kobj);
+ dmabuf->sysfs_entry = NULL;
+ return ret;
+}
diff --git a/drivers/dma-buf/dma-buf-sysfs-stats.h b/drivers/dma-buf/dma-buf-sysfs-stats.h
new file mode 100644
index 0000000..a49c6e2
--- /dev/null
+++ b/drivers/dma-buf/dma-buf-sysfs-stats.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * DMA-BUF sysfs statistics.
+ *
+ * Copyright (C) 2021 Google LLC.
+ */
+
+#ifndef _DMA_BUF_SYSFS_STATS_H
+#define _DMA_BUF_SYSFS_STATS_H
+
+#ifdef CONFIG_DMABUF_SYSFS_STATS
+
+int dma_buf_init_sysfs_statistics(void);
+void dma_buf_uninit_sysfs_statistics(void);
+
+int dma_buf_stats_setup(struct dma_buf *dmabuf);
+
+void dma_buf_stats_teardown(struct dma_buf *dmabuf);
+#else
+
+static inline int dma_buf_init_sysfs_statistics(void)
+{
+ return 0;
+}
+
+static inline void dma_buf_uninit_sysfs_statistics(void) {}
+
+static inline int dma_buf_stats_setup(struct dma_buf *dmabuf)
+{
+ return 0;
+}
+
+static inline void dma_buf_stats_teardown(struct dma_buf *dmabuf) {}
+#endif
+#endif // _DMA_BUF_SYSFS_STATS_H
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 93e9bf7..8a8a6bc 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -29,7 +29,7 @@
#include <uapi/linux/dma-buf.h>
#include <uapi/linux/magic.h>
-static inline int is_dma_buf_file(struct file *);
+#include "dma-buf-sysfs-stats.h"
struct dma_buf_list {
struct list_head head;
@@ -38,6 +38,30 @@ struct dma_buf_list {
static struct dma_buf_list db_list;
+/*
+ * This function helps in traversing the db_list and calls the
+ * callback function which can extract required info out of each
+ * dmabuf.
+ */
+int get_each_dmabuf(int (*callback)(const struct dma_buf *dmabuf,
+ void *private), void *private)
+{
+ struct dma_buf *buf;
+ int ret = mutex_lock_interruptible(&db_list.lock);
+
+ if (ret)
+ return ret;
+
+ list_for_each_entry(buf, &db_list.head, list_node) {
+ ret = callback(buf, private);
+ if (ret)
+ break;
+ }
+ mutex_unlock(&db_list.lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(get_each_dmabuf);
+
static char *dmabuffs_dname(struct dentry *dentry, char *buffer, int buflen)
{
struct dma_buf *dmabuf;
@@ -74,6 +98,7 @@ static void dma_buf_release(struct dentry *dentry)
*/
BUG_ON(dmabuf->cb_shared.active || dmabuf->cb_excl.active);
+ dma_buf_stats_teardown(dmabuf);
dmabuf->ops->release(dmabuf);
if (dmabuf->resv == (struct dma_resv *)&dmabuf[1])
@@ -324,6 +349,25 @@ static __poll_t dma_buf_poll(struct file *file, poll_table *poll)
return events;
}
+static long _dma_buf_set_name(struct dma_buf *dmabuf, const char *name)
+{
+ long ret = 0;
+
+ dma_resv_lock(dmabuf->resv, NULL);
+ if (!list_empty(&dmabuf->attachments)) {
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+ spin_lock(&dmabuf->name_lock);
+ kfree(dmabuf->name);
+ dmabuf->name = name;
+ spin_unlock(&dmabuf->name_lock);
+
+out_unlock:
+ dma_resv_unlock(dmabuf->resv);
+ return ret;
+}
+
/**
* dma_buf_set_name - Set a name to a specific dma_buf to track the usage.
* The name of the dma-buf buffer can only be set when the dma-buf is not
@@ -339,7 +383,23 @@ static __poll_t dma_buf_poll(struct file *file, poll_table *poll)
* devices, return -EBUSY.
*
*/
-static long dma_buf_set_name(struct dma_buf *dmabuf, const char __user *buf)
+long dma_buf_set_name(struct dma_buf *dmabuf, const char *name)
+{
+ long ret = 0;
+ char *buf = kstrndup(name, DMA_BUF_NAME_LEN, GFP_KERNEL);
+
+ if (!buf)
+ return -ENOMEM;
+
+ ret = _dma_buf_set_name(dmabuf, buf);
+ if (ret)
+ kfree(buf);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(dma_buf_set_name);
+
+static long dma_buf_set_name_user(struct dma_buf *dmabuf, const char __user *buf)
{
char *name = strndup_user(buf, DMA_BUF_NAME_LEN);
long ret = 0;
@@ -347,19 +407,10 @@ static long dma_buf_set_name(struct dma_buf *dmabuf, const char __user *buf)
if (IS_ERR(name))
return PTR_ERR(name);
- dma_resv_lock(dmabuf->resv, NULL);
- if (!list_empty(&dmabuf->attachments)) {
- ret = -EBUSY;
+ ret = _dma_buf_set_name(dmabuf, name);
+ if (ret)
kfree(name);
- goto out_unlock;
- }
- spin_lock(&dmabuf->name_lock);
- kfree(dmabuf->name);
- dmabuf->name = name;
- spin_unlock(&dmabuf->name_lock);
-out_unlock:
- dma_resv_unlock(dmabuf->resv);
return ret;
}
@@ -404,7 +455,7 @@ static long dma_buf_ioctl(struct file *file,
case DMA_BUF_SET_NAME_A:
case DMA_BUF_SET_NAME_B:
- return dma_buf_set_name(dmabuf, (const char __user *)arg);
+ return dma_buf_set_name_user(dmabuf, (const char __user *)arg);
default:
return -ENOTTY;
@@ -438,10 +489,11 @@ static const struct file_operations dma_buf_fops = {
/*
* is_dma_buf_file - Check if struct file* is associated with dma_buf
*/
-static inline int is_dma_buf_file(struct file *file)
+int is_dma_buf_file(struct file *file)
{
return file->f_op == &dma_buf_fops;
}
+EXPORT_SYMBOL_GPL(is_dma_buf_file);
static struct file *dma_buf_getfile(struct dma_buf *dmabuf, int flags)
{
@@ -580,6 +632,10 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
file->f_mode |= FMODE_LSEEK;
dmabuf->file = file;
+ ret = dma_buf_stats_setup(dmabuf);
+ if (ret)
+ goto err_sysfs;
+
mutex_init(&dmabuf->lock);
INIT_LIST_HEAD(&dmabuf->attachments);
@@ -589,6 +645,14 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
return dmabuf;
+err_sysfs:
+ /*
+ * Set file->f_path.dentry->d_fsdata to NULL so that when
+ * dma_buf_release() gets invoked by dentry_ops, it exits
+ * early before calling the release() dma_buf op.
+ */
+ file->f_path.dentry->d_fsdata = NULL;
+ fput(file);
err_dmabuf:
kfree(dmabuf);
err_module:
@@ -1115,6 +1179,30 @@ int dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
}
EXPORT_SYMBOL_GPL(dma_buf_begin_cpu_access);
+int dma_buf_begin_cpu_access_partial(struct dma_buf *dmabuf,
+ enum dma_data_direction direction,
+ unsigned int offset, unsigned int len)
+{
+ int ret = 0;
+
+ if (WARN_ON(!dmabuf))
+ return -EINVAL;
+
+ if (dmabuf->ops->begin_cpu_access_partial)
+ ret = dmabuf->ops->begin_cpu_access_partial(dmabuf, direction,
+ offset, len);
+
+ /* Ensure that all fences are waited upon - but we first allow
+ * the native handler the chance to do so more efficiently if it
+ * chooses. A double invocation here will be reasonably cheap no-op.
+ */
+ if (ret == 0)
+ ret = __dma_buf_begin_cpu_access(dmabuf, direction);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(dma_buf_begin_cpu_access_partial);
+
/**
* dma_buf_end_cpu_access - Must be called after accessing a dma_buf from the
* cpu in the kernel context. Calls end_cpu_access to allow exporter-specific
@@ -1141,6 +1229,21 @@ int dma_buf_end_cpu_access(struct dma_buf *dmabuf,
}
EXPORT_SYMBOL_GPL(dma_buf_end_cpu_access);
+int dma_buf_end_cpu_access_partial(struct dma_buf *dmabuf,
+ enum dma_data_direction direction,
+ unsigned int offset, unsigned int len)
+{
+ int ret = 0;
+
+ WARN_ON(!dmabuf);
+
+ if (dmabuf->ops->end_cpu_access_partial)
+ ret = dmabuf->ops->end_cpu_access_partial(dmabuf, direction,
+ offset, len);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(dma_buf_end_cpu_access_partial);
/**
* dma_buf_mmap - Setup up a userspace mmap with the given vma
@@ -1269,6 +1372,32 @@ void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
}
EXPORT_SYMBOL_GPL(dma_buf_vunmap);
+int dma_buf_get_flags(struct dma_buf *dmabuf, unsigned long *flags)
+{
+ int ret = 0;
+
+ if (WARN_ON(!dmabuf) || !flags)
+ return -EINVAL;
+
+ if (dmabuf->ops->get_flags)
+ ret = dmabuf->ops->get_flags(dmabuf, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(dma_buf_get_flags);
+
+int dma_buf_get_uuid(struct dma_buf *dmabuf, uuid_t *uuid)
+{
+ if (WARN_ON(!dmabuf) || !uuid)
+ return -EINVAL;
+
+ if (!dmabuf->ops->get_uuid)
+ return -ENODEV;
+
+ return dmabuf->ops->get_uuid(dmabuf, uuid);
+}
+EXPORT_SYMBOL_GPL(dma_buf_get_uuid);
+
#ifdef CONFIG_DEBUG_FS
static int dma_buf_debug_show(struct seq_file *s, void *unused)
{
@@ -1297,6 +1426,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
if (ret)
goto error_unlock;
+ spin_lock(&buf_obj->name_lock);
seq_printf(s, "%08zu\t%08x\t%08x\t%08ld\t%s\t%08lu\t%s\n",
buf_obj->size,
buf_obj->file->f_flags, buf_obj->file->f_mode,
@@ -1304,6 +1434,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
buf_obj->exp_name,
file_inode(buf_obj->file)->i_ino,
buf_obj->name ?: "");
+ spin_unlock(&buf_obj->name_lock);
robj = buf_obj->resv;
while (true) {
@@ -1403,6 +1534,12 @@ static inline void dma_buf_uninit_debugfs(void)
static int __init dma_buf_init(void)
{
+ int ret;
+
+ ret = dma_buf_init_sysfs_statistics();
+ if (ret)
+ return ret;
+
dma_buf_mnt = kern_mount(&dma_buf_fs_type);
if (IS_ERR(dma_buf_mnt))
return PTR_ERR(dma_buf_mnt);
@@ -1418,5 +1555,6 @@ static void __exit dma_buf_deinit(void)
{
dma_buf_uninit_debugfs();
kern_unmount(dma_buf_mnt);
+ dma_buf_uninit_sysfs_statistics();
}
__exitcall(dma_buf_deinit);
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 7475e09..d64fc03 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -312,6 +312,83 @@ void __dma_fence_might_wait(void)
/**
+ * dma_fence_signal_timestamp_locked - signal completion of a fence
+ * @fence: the fence to signal
+ * @timestamp: fence signal timestamp in kernel's CLOCK_MONOTONIC time domain
+ *
+ * Signal completion for software callbacks on a fence, this will unblock
+ * dma_fence_wait() calls and run all the callbacks added with
+ * dma_fence_add_callback(). Can be called multiple times, but since a fence
+ * can only go from the unsignaled to the signaled state and not back, it will
+ * only be effective the first time. Set the timestamp provided as the fence
+ * signal timestamp.
+ *
+ * Unlike dma_fence_signal_timestamp(), this function must be called with
+ * &dma_fence.lock held.
+ *
+ * Returns 0 on success and a negative error value when @fence has been
+ * signalled already.
+ */
+int dma_fence_signal_timestamp_locked(struct dma_fence *fence,
+ ktime_t timestamp)
+{
+ struct dma_fence_cb *cur, *tmp;
+ struct list_head cb_list;
+
+ lockdep_assert_held(fence->lock);
+
+ if (unlikely(test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
+ &fence->flags)))
+ return -EINVAL;
+
+ /* Stash the cb_list before replacing it with the timestamp */
+ list_replace(&fence->cb_list, &cb_list);
+
+ fence->timestamp = timestamp;
+ set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags);
+ trace_dma_fence_signaled(fence);
+
+ list_for_each_entry_safe(cur, tmp, &cb_list, node) {
+ INIT_LIST_HEAD(&cur->node);
+ cur->func(fence, cur);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(dma_fence_signal_timestamp_locked);
+
+/**
+ * dma_fence_signal_timestamp - signal completion of a fence
+ * @fence: the fence to signal
+ * @timestamp: fence signal timestamp in kernel's CLOCK_MONOTONIC time domain
+ *
+ * Signal completion for software callbacks on a fence, this will unblock
+ * dma_fence_wait() calls and run all the callbacks added with
+ * dma_fence_add_callback(). Can be called multiple times, but since a fence
+ * can only go from the unsignaled to the signaled state and not back, it will
+ * only be effective the first time. Set the timestamp provided as the fence
+ * signal timestamp.
+ *
+ * Returns 0 on success and a negative error value when @fence has been
+ * signalled already.
+ */
+int dma_fence_signal_timestamp(struct dma_fence *fence, ktime_t timestamp)
+{
+ unsigned long flags;
+ int ret;
+
+ if (!fence)
+ return -EINVAL;
+
+ spin_lock_irqsave(fence->lock, flags);
+ ret = dma_fence_signal_timestamp_locked(fence, timestamp);
+ spin_unlock_irqrestore(fence->lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(dma_fence_signal_timestamp);
+
+/**
* dma_fence_signal_locked - signal completion of a fence
* @fence: the fence to signal
*
@@ -329,28 +406,7 @@ void __dma_fence_might_wait(void)
*/
int dma_fence_signal_locked(struct dma_fence *fence)
{
- struct dma_fence_cb *cur, *tmp;
- struct list_head cb_list;
-
- lockdep_assert_held(fence->lock);
-
- if (unlikely(test_and_set_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
- &fence->flags)))
- return -EINVAL;
-
- /* Stash the cb_list before replacing it with the timestamp */
- list_replace(&fence->cb_list, &cb_list);
-
- fence->timestamp = ktime_get();
- set_bit(DMA_FENCE_FLAG_TIMESTAMP_BIT, &fence->flags);
- trace_dma_fence_signaled(fence);
-
- list_for_each_entry_safe(cur, tmp, &cb_list, node) {
- INIT_LIST_HEAD(&cur->node);
- cur->func(fence, cur);
- }
-
- return 0;
+ return dma_fence_signal_timestamp_locked(fence, ktime_get());
}
EXPORT_SYMBOL(dma_fence_signal_locked);
@@ -379,7 +435,7 @@ int dma_fence_signal(struct dma_fence *fence)
tmp = dma_fence_begin_signalling();
spin_lock_irqsave(fence->lock, flags);
- ret = dma_fence_signal_locked(fence);
+ ret = dma_fence_signal_timestamp_locked(fence, ktime_get());
spin_unlock_irqrestore(fence->lock, flags);
dma_fence_end_signalling(tmp);
diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
index afd22c9..4fb2200 100644
--- a/drivers/dma-buf/dma-heap.c
+++ b/drivers/dma-buf/dma-heap.c
@@ -30,6 +30,7 @@
* @heap_devt heap device node
* @list list head connecting to list of heaps
* @heap_cdev heap char device
+ * @heap_dev heap device struct
*
* Represents a heap of memory from which buffers can be made.
*/
@@ -40,6 +41,8 @@ struct dma_heap {
dev_t heap_devt;
struct list_head list;
struct cdev heap_cdev;
+ struct kref refcount;
+ struct device *heap_dev;
};
static LIST_HEAD(heap_list);
@@ -48,20 +51,72 @@ static dev_t dma_heap_devt;
static struct class *dma_heap_class;
static DEFINE_XARRAY_ALLOC(dma_heap_minors);
-static int dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,
- unsigned int fd_flags,
- unsigned int heap_flags)
+struct dma_heap *dma_heap_find(const char *name)
{
+ struct dma_heap *h;
+
+ mutex_lock(&heap_list_lock);
+ list_for_each_entry(h, &heap_list, list) {
+ if (!strcmp(h->name, name)) {
+ kref_get(&h->refcount);
+ mutex_unlock(&heap_list_lock);
+ return h;
+ }
+ }
+ mutex_unlock(&heap_list_lock);
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(dma_heap_find);
+
+
+void dma_heap_buffer_free(struct dma_buf *dmabuf)
+{
+ dma_buf_put(dmabuf);
+}
+EXPORT_SYMBOL_GPL(dma_heap_buffer_free);
+
+struct dma_buf *dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,
+ unsigned int fd_flags,
+ unsigned int heap_flags)
+{
+ if (fd_flags & ~DMA_HEAP_VALID_FD_FLAGS)
+ return ERR_PTR(-EINVAL);
+
+ if (heap_flags & ~DMA_HEAP_VALID_HEAP_FLAGS)
+ return ERR_PTR(-EINVAL);
/*
* Allocations from all heaps have to begin
* and end on page boundaries.
*/
len = PAGE_ALIGN(len);
if (!len)
- return -EINVAL;
+ return ERR_PTR(-EINVAL);
return heap->ops->allocate(heap, len, fd_flags, heap_flags);
}
+EXPORT_SYMBOL_GPL(dma_heap_buffer_alloc);
+
+int dma_heap_bufferfd_alloc(struct dma_heap *heap, size_t len,
+ unsigned int fd_flags,
+ unsigned int heap_flags)
+{
+ struct dma_buf *dmabuf;
+ int fd;
+
+ dmabuf = dma_heap_buffer_alloc(heap, len, fd_flags, heap_flags);
+
+ if (IS_ERR(dmabuf))
+ return PTR_ERR(dmabuf);
+
+ fd = dma_buf_fd(dmabuf, fd_flags);
+ if (fd < 0) {
+ dma_buf_put(dmabuf);
+ /* just return, as put will call release and that will free */
+ }
+ return fd;
+
+}
+EXPORT_SYMBOL_GPL(dma_heap_bufferfd_alloc);
static int dma_heap_open(struct inode *inode, struct file *file)
{
@@ -89,15 +144,9 @@ static long dma_heap_ioctl_allocate(struct file *file, void *data)
if (heap_allocation->fd)
return -EINVAL;
- if (heap_allocation->fd_flags & ~DMA_HEAP_VALID_FD_FLAGS)
- return -EINVAL;
-
- if (heap_allocation->heap_flags & ~DMA_HEAP_VALID_HEAP_FLAGS)
- return -EINVAL;
-
- fd = dma_heap_buffer_alloc(heap, heap_allocation->len,
- heap_allocation->fd_flags,
- heap_allocation->heap_flags);
+ fd = dma_heap_bufferfd_alloc(heap, heap_allocation->len,
+ heap_allocation->fd_flags,
+ heap_allocation->heap_flags);
if (fd < 0)
return fd;
@@ -189,11 +238,64 @@ void *dma_heap_get_drvdata(struct dma_heap *heap)
{
return heap->priv;
}
+EXPORT_SYMBOL_GPL(dma_heap_get_drvdata);
+
+static void dma_heap_release(struct kref *ref)
+{
+ struct dma_heap *heap = container_of(ref, struct dma_heap, refcount);
+ int minor = MINOR(heap->heap_devt);
+
+ /* Note, we already holding the heap_list_lock here */
+ list_del(&heap->list);
+
+ device_destroy(dma_heap_class, heap->heap_devt);
+ cdev_del(&heap->heap_cdev);
+ xa_erase(&dma_heap_minors, minor);
+
+ kfree(heap);
+}
+
+void dma_heap_put(struct dma_heap *h)
+{
+ /*
+ * Take the heap_list_lock now to avoid racing with code
+ * scanning the list and then taking a kref.
+ */
+ mutex_lock(&heap_list_lock);
+ kref_put(&h->refcount, dma_heap_release);
+ mutex_unlock(&heap_list_lock);
+}
+EXPORT_SYMBOL_GPL(dma_heap_put);
+
+/**
+ * dma_heap_get_dev() - get device struct for the heap
+ * @heap: DMA-Heap to retrieve device struct from
+ *
+ * Returns:
+ * The device struct for the heap.
+ */
+struct device *dma_heap_get_dev(struct dma_heap *heap)
+{
+ return heap->heap_dev;
+}
+EXPORT_SYMBOL_GPL(dma_heap_get_dev);
+
+/**
+ * dma_heap_get_name() - get heap name
+ * @heap: DMA-Heap to retrieve private data for
+ *
+ * Returns:
+ * The char* for the heap name.
+ */
+const char *dma_heap_get_name(struct dma_heap *heap)
+{
+ return heap->name;
+}
+EXPORT_SYMBOL_GPL(dma_heap_get_name);
struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
{
- struct dma_heap *heap, *h, *err_ret;
- struct device *dev_ret;
+ struct dma_heap *heap, *err_ret;
unsigned int minor;
int ret;
@@ -208,21 +310,19 @@ struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
}
/* check the name is unique */
- mutex_lock(&heap_list_lock);
- list_for_each_entry(h, &heap_list, list) {
- if (!strcmp(h->name, exp_info->name)) {
- mutex_unlock(&heap_list_lock);
- pr_err("dma_heap: Already registered heap named %s\n",
- exp_info->name);
- return ERR_PTR(-EINVAL);
- }
+ heap = dma_heap_find(exp_info->name);
+ if (heap) {
+ pr_err("dma_heap: Already registered heap named %s\n",
+ exp_info->name);
+ dma_heap_put(heap);
+ return ERR_PTR(-EINVAL);
}
- mutex_unlock(&heap_list_lock);
heap = kzalloc(sizeof(*heap), GFP_KERNEL);
if (!heap)
return ERR_PTR(-ENOMEM);
+ kref_init(&heap->refcount);
heap->name = exp_info->name;
heap->ops = exp_info->ops;
heap->priv = exp_info->priv;
@@ -247,16 +347,20 @@ struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
goto err1;
}
- dev_ret = device_create(dma_heap_class,
- NULL,
- heap->heap_devt,
- NULL,
- heap->name);
- if (IS_ERR(dev_ret)) {
+ heap->heap_dev = device_create(dma_heap_class,
+ NULL,
+ heap->heap_devt,
+ NULL,
+ heap->name);
+ if (IS_ERR(heap->heap_dev)) {
pr_err("dma_heap: Unable to create device\n");
- err_ret = ERR_CAST(dev_ret);
+ err_ret = ERR_CAST(heap->heap_dev);
goto err2;
}
+
+ /* Make sure it doesn't disappear on us */
+ heap->heap_dev = get_device(heap->heap_dev);
+
/* Add heap to the list */
mutex_lock(&heap_list_lock);
list_add(&heap->list, &heap_list);
@@ -272,27 +376,88 @@ struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
kfree(heap);
return err_ret;
}
+EXPORT_SYMBOL_GPL(dma_heap_add);
static char *dma_heap_devnode(struct device *dev, umode_t *mode)
{
return kasprintf(GFP_KERNEL, "dma_heap/%s", dev_name(dev));
}
+static ssize_t total_pools_kb_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ struct dma_heap *heap;
+ u64 total_pool_size = 0;
+
+ mutex_lock(&heap_list_lock);
+ list_for_each_entry(heap, &heap_list, list) {
+ if (heap->ops->get_pool_size)
+ total_pool_size += heap->ops->get_pool_size(heap);
+ }
+ mutex_unlock(&heap_list_lock);
+
+ return sysfs_emit(buf, "%llu\n", total_pool_size / 1024);
+}
+
+static struct kobj_attribute total_pools_kb_attr =
+ __ATTR_RO(total_pools_kb);
+
+static struct attribute *dma_heap_sysfs_attrs[] = {
+ &total_pools_kb_attr.attr,
+ NULL,
+};
+
+ATTRIBUTE_GROUPS(dma_heap_sysfs);
+
+static struct kobject *dma_heap_kobject;
+
+static int dma_heap_sysfs_setup(void)
+{
+ int ret;
+
+ dma_heap_kobject = kobject_create_and_add("dma_heap", kernel_kobj);
+ if (!dma_heap_kobject)
+ return -ENOMEM;
+
+ ret = sysfs_create_groups(dma_heap_kobject, dma_heap_sysfs_groups);
+ if (ret) {
+ kobject_put(dma_heap_kobject);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void dma_heap_sysfs_teardown(void)
+{
+ kobject_put(dma_heap_kobject);
+}
+
static int dma_heap_init(void)
{
int ret;
- ret = alloc_chrdev_region(&dma_heap_devt, 0, NUM_HEAP_MINORS, DEVNAME);
+ ret = dma_heap_sysfs_setup();
if (ret)
return ret;
+ ret = alloc_chrdev_region(&dma_heap_devt, 0, NUM_HEAP_MINORS, DEVNAME);
+ if (ret)
+ goto err_chrdev;
+
dma_heap_class = class_create(THIS_MODULE, DEVNAME);
if (IS_ERR(dma_heap_class)) {
- unregister_chrdev_region(dma_heap_devt, NUM_HEAP_MINORS);
- return PTR_ERR(dma_heap_class);
+ ret = PTR_ERR(dma_heap_class);
+ goto err_class;
}
dma_heap_class->devnode = dma_heap_devnode;
return 0;
+
+err_class:
+ unregister_chrdev_region(dma_heap_devt, NUM_HEAP_MINORS);
+err_chrdev:
+ dma_heap_sysfs_teardown();
+ return ret;
}
subsys_initcall(dma_heap_init);
diff --git a/drivers/dma-buf/heaps/Kconfig b/drivers/dma-buf/heaps/Kconfig
index a5eef06..ff52efa 100644
--- a/drivers/dma-buf/heaps/Kconfig
+++ b/drivers/dma-buf/heaps/Kconfig
@@ -1,12 +1,22 @@
+menuconfig DMABUF_HEAPS_DEFERRED_FREE
+ bool "DMA-BUF heaps deferred-free library"
+ help
+ Choose this option to enable the DMA-BUF heaps deferred-free library.
+
+menuconfig DMABUF_HEAPS_PAGE_POOL
+ bool "DMA-BUF heaps page-pool library"
+ help
+ Choose this option to enable the DMA-BUF heaps page-pool library.
+
config DMABUF_HEAPS_SYSTEM
- bool "DMA-BUF System Heap"
- depends on DMABUF_HEAPS
+ tristate "DMA-BUF System Heap"
+ depends on DMABUF_HEAPS && DMABUF_HEAPS_DEFERRED_FREE && DMABUF_HEAPS_PAGE_POOL
help
Choose this option to enable the system dmabuf heap. The system heap
is backed by pages from the buddy allocator. If in doubt, say Y.
config DMABUF_HEAPS_CMA
- bool "DMA-BUF CMA Heap"
+ tristate "DMA-BUF CMA Heap"
depends on DMABUF_HEAPS && DMA_CMA
help
Choose this option to enable dma-buf CMA heap. This heap is backed
diff --git a/drivers/dma-buf/heaps/Makefile b/drivers/dma-buf/heaps/Makefile
index 6e54cde..4d4cd94 100644
--- a/drivers/dma-buf/heaps/Makefile
+++ b/drivers/dma-buf/heaps/Makefile
@@ -1,4 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
-obj-y += heap-helpers.o
+obj-$(CONFIG_DMABUF_HEAPS_DEFERRED_FREE) += deferred-free-helper.o
+obj-$(CONFIG_DMABUF_HEAPS_PAGE_POOL) += page_pool.o
obj-$(CONFIG_DMABUF_HEAPS_SYSTEM) += system_heap.o
obj-$(CONFIG_DMABUF_HEAPS_CMA) += cma_heap.o
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index e55384d..fd564aa 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -2,76 +2,306 @@
/*
* DMABUF CMA heap exporter
*
- * Copyright (C) 2012, 2019 Linaro Ltd.
+ * Copyright (C) 2012, 2019, 2020 Linaro Ltd.
* Author: <benjamin.gaignard@linaro.org> for ST-Ericsson.
+ *
+ * Also utilizing parts of Andrew Davis' SRAM heap:
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ * Andrew F. Davis <afd@ti.com>
*/
-
#include <linux/cma.h>
-#include <linux/device.h>
#include <linux/dma-buf.h>
#include <linux/dma-heap.h>
#include <linux/dma-map-ops.h>
#include <linux/err.h>
-#include <linux/errno.h>
#include <linux/highmem.h>
+#include <linux/io.h>
+#include <linux/mm.h>
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/scatterlist.h>
-#include <linux/sched/signal.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
-#include "heap-helpers.h"
struct cma_heap {
struct dma_heap *heap;
struct cma *cma;
};
-static void cma_heap_free(struct heap_helper_buffer *buffer)
+struct cma_heap_buffer {
+ struct cma_heap *heap;
+ struct list_head attachments;
+ struct mutex lock;
+ unsigned long len;
+ struct page *cma_pages;
+ struct page **pages;
+ pgoff_t pagecount;
+ int vmap_cnt;
+ void *vaddr;
+};
+
+struct dma_heap_attachment {
+ struct device *dev;
+ struct sg_table table;
+ struct list_head list;
+ bool mapped;
+};
+
+static int cma_heap_attach(struct dma_buf *dmabuf,
+ struct dma_buf_attachment *attachment)
{
- struct cma_heap *cma_heap = dma_heap_get_drvdata(buffer->heap);
- unsigned long nr_pages = buffer->pagecount;
- struct page *cma_pages = buffer->priv_virt;
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a;
+ int ret;
+
+ a = kzalloc(sizeof(*a), GFP_KERNEL);
+ if (!a)
+ return -ENOMEM;
+
+ ret = sg_alloc_table_from_pages(&a->table, buffer->pages,
+ buffer->pagecount, 0,
+ buffer->pagecount << PAGE_SHIFT,
+ GFP_KERNEL);
+ if (ret) {
+ kfree(a);
+ return ret;
+ }
+
+ a->dev = attachment->dev;
+ INIT_LIST_HEAD(&a->list);
+ a->mapped = false;
+
+ attachment->priv = a;
+
+ mutex_lock(&buffer->lock);
+ list_add(&a->list, &buffer->attachments);
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static void cma_heap_detach(struct dma_buf *dmabuf,
+ struct dma_buf_attachment *attachment)
+{
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a = attachment->priv;
+
+ mutex_lock(&buffer->lock);
+ list_del(&a->list);
+ mutex_unlock(&buffer->lock);
+
+ sg_free_table(&a->table);
+ kfree(a);
+}
+
+static struct sg_table *cma_heap_map_dma_buf(struct dma_buf_attachment *attachment,
+ enum dma_data_direction direction)
+{
+ struct dma_heap_attachment *a = attachment->priv;
+ struct sg_table *table = &a->table;
+ int attrs = attachment->dma_map_attrs;
+ int ret;
+
+ ret = dma_map_sgtable(attachment->dev, table, direction, attrs);
+ if (ret)
+ return ERR_PTR(-ENOMEM);
+ a->mapped = true;
+ return table;
+}
+
+static void cma_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
+ struct sg_table *table,
+ enum dma_data_direction direction)
+{
+ struct dma_heap_attachment *a = attachment->priv;
+ int attrs = attachment->dma_map_attrs;
+
+ a->mapped = false;
+ dma_unmap_sgtable(attachment->dev, table, direction, attrs);
+}
+
+static int cma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
+ enum dma_data_direction direction)
+{
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a;
+
+ if (buffer->vmap_cnt)
+ invalidate_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+ mutex_lock(&buffer->lock);
+ list_for_each_entry(a, &buffer->attachments, list) {
+ if (!a->mapped)
+ continue;
+ dma_sync_sgtable_for_cpu(a->dev, &a->table, direction);
+ }
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static int cma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
+ enum dma_data_direction direction)
+{
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a;
+
+ if (buffer->vmap_cnt)
+ flush_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+ mutex_lock(&buffer->lock);
+ list_for_each_entry(a, &buffer->attachments, list) {
+ if (!a->mapped)
+ continue;
+ dma_sync_sgtable_for_device(a->dev, &a->table, direction);
+ }
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static vm_fault_t cma_heap_vm_fault(struct vm_fault *vmf)
+{
+ struct vm_area_struct *vma = vmf->vma;
+ struct cma_heap_buffer *buffer = vma->vm_private_data;
+
+ if (vmf->pgoff > buffer->pagecount)
+ return VM_FAULT_SIGBUS;
+
+ vmf->page = buffer->pages[vmf->pgoff];
+ get_page(vmf->page);
+
+ return 0;
+}
+
+static const struct vm_operations_struct dma_heap_vm_ops = {
+ .fault = cma_heap_vm_fault,
+};
+
+static int cma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
+{
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+
+ if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0)
+ return -EINVAL;
+
+ vma->vm_ops = &dma_heap_vm_ops;
+ vma->vm_private_data = buffer;
+
+ return 0;
+}
+
+static void *cma_heap_do_vmap(struct cma_heap_buffer *buffer)
+{
+ void *vaddr;
+
+ vaddr = vmap(buffer->pages, buffer->pagecount, VM_MAP, PAGE_KERNEL);
+ if (!vaddr)
+ return ERR_PTR(-ENOMEM);
+
+ return vaddr;
+}
+
+static void *cma_heap_vmap(struct dma_buf *dmabuf)
+{
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+ void *vaddr;
+
+ mutex_lock(&buffer->lock);
+ if (buffer->vmap_cnt) {
+ buffer->vmap_cnt++;
+ vaddr = buffer->vaddr;
+ goto out;
+ }
+
+ vaddr = cma_heap_do_vmap(buffer);
+ if (IS_ERR(vaddr))
+ goto out;
+
+ buffer->vaddr = vaddr;
+ buffer->vmap_cnt++;
+out:
+ mutex_unlock(&buffer->lock);
+
+ return vaddr;
+}
+
+static void cma_heap_vunmap(struct dma_buf *dmabuf, void *vaddr)
+{
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+
+ mutex_lock(&buffer->lock);
+ if (!--buffer->vmap_cnt) {
+ vunmap(buffer->vaddr);
+ buffer->vaddr = NULL;
+ }
+ mutex_unlock(&buffer->lock);
+}
+
+static void cma_heap_dma_buf_release(struct dma_buf *dmabuf)
+{
+ struct cma_heap_buffer *buffer = dmabuf->priv;
+ struct cma_heap *cma_heap = buffer->heap;
+
+ if (buffer->vmap_cnt > 0) {
+ WARN(1, "%s: buffer still mapped in the kernel\n", __func__);
+ vunmap(buffer->vaddr);
+ }
/* free page list */
kfree(buffer->pages);
/* release memory */
- cma_release(cma_heap->cma, cma_pages, nr_pages);
+ cma_release(cma_heap->cma, buffer->cma_pages, buffer->pagecount);
kfree(buffer);
}
-/* dmabuf heap CMA operations functions */
-static int cma_heap_allocate(struct dma_heap *heap,
- unsigned long len,
- unsigned long fd_flags,
- unsigned long heap_flags)
+static const struct dma_buf_ops cma_heap_buf_ops = {
+ .attach = cma_heap_attach,
+ .detach = cma_heap_detach,
+ .map_dma_buf = cma_heap_map_dma_buf,
+ .unmap_dma_buf = cma_heap_unmap_dma_buf,
+ .begin_cpu_access = cma_heap_dma_buf_begin_cpu_access,
+ .end_cpu_access = cma_heap_dma_buf_end_cpu_access,
+ .mmap = cma_heap_mmap,
+ .vmap = cma_heap_vmap,
+ .vunmap = cma_heap_vunmap,
+ .release = cma_heap_dma_buf_release,
+};
+
+static struct dma_buf *cma_heap_allocate(struct dma_heap *heap,
+ unsigned long len,
+ unsigned long fd_flags,
+ unsigned long heap_flags)
{
struct cma_heap *cma_heap = dma_heap_get_drvdata(heap);
- struct heap_helper_buffer *helper_buffer;
- struct page *cma_pages;
+ struct cma_heap_buffer *buffer;
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
size_t size = PAGE_ALIGN(len);
- unsigned long nr_pages = size >> PAGE_SHIFT;
+ pgoff_t pagecount = size >> PAGE_SHIFT;
unsigned long align = get_order(size);
+ struct page *cma_pages;
struct dma_buf *dmabuf;
int ret = -ENOMEM;
pgoff_t pg;
+ buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+ if (!buffer)
+ return ERR_PTR(-ENOMEM);
+
+ INIT_LIST_HEAD(&buffer->attachments);
+ mutex_init(&buffer->lock);
+ buffer->len = size;
+
if (align > CONFIG_CMA_ALIGNMENT)
align = CONFIG_CMA_ALIGNMENT;
- helper_buffer = kzalloc(sizeof(*helper_buffer), GFP_KERNEL);
- if (!helper_buffer)
- return -ENOMEM;
-
- init_heap_helper_buffer(helper_buffer, cma_heap_free);
- helper_buffer->heap = heap;
- helper_buffer->size = len;
-
- cma_pages = cma_alloc(cma_heap->cma, nr_pages, align, false);
+ cma_pages = cma_alloc(cma_heap->cma, pagecount, align, GFP_KERNEL);
if (!cma_pages)
- goto free_buf;
+ goto free_buffer;
+ /* Clear the cma pages */
if (PageHighMem(cma_pages)) {
- unsigned long nr_clear_pages = nr_pages;
+ unsigned long nr_clear_pages = pagecount;
struct page *page = cma_pages;
while (nr_clear_pages > 0) {
@@ -85,7 +315,6 @@ static int cma_heap_allocate(struct dma_heap *heap,
*/
if (fatal_signal_pending(current))
goto free_cma;
-
page++;
nr_clear_pages--;
}
@@ -93,44 +322,41 @@ static int cma_heap_allocate(struct dma_heap *heap,
memset(page_address(cma_pages), 0, size);
}
- helper_buffer->pagecount = nr_pages;
- helper_buffer->pages = kmalloc_array(helper_buffer->pagecount,
- sizeof(*helper_buffer->pages),
- GFP_KERNEL);
- if (!helper_buffer->pages) {
+ buffer->pages = kmalloc_array(pagecount, sizeof(*buffer->pages), GFP_KERNEL);
+ if (!buffer->pages) {
ret = -ENOMEM;
goto free_cma;
}
- for (pg = 0; pg < helper_buffer->pagecount; pg++)
- helper_buffer->pages[pg] = &cma_pages[pg];
+ for (pg = 0; pg < pagecount; pg++)
+ buffer->pages[pg] = &cma_pages[pg];
+
+ buffer->cma_pages = cma_pages;
+ buffer->heap = cma_heap;
+ buffer->pagecount = pagecount;
/* create the dmabuf */
- dmabuf = heap_helper_export_dmabuf(helper_buffer, fd_flags);
+ exp_info.exp_name = dma_heap_get_name(heap);
+ exp_info.ops = &cma_heap_buf_ops;
+ exp_info.size = buffer->len;
+ exp_info.flags = fd_flags;
+ exp_info.priv = buffer;
+ dmabuf = dma_buf_export(&exp_info);
if (IS_ERR(dmabuf)) {
ret = PTR_ERR(dmabuf);
goto free_pages;
}
- helper_buffer->dmabuf = dmabuf;
- helper_buffer->priv_virt = cma_pages;
-
- ret = dma_buf_fd(dmabuf, fd_flags);
- if (ret < 0) {
- dma_buf_put(dmabuf);
- /* just return, as put will call release and that will free */
- return ret;
- }
-
- return ret;
+ return dmabuf;
free_pages:
- kfree(helper_buffer->pages);
+ kfree(buffer->pages);
free_cma:
- cma_release(cma_heap->cma, cma_pages, nr_pages);
-free_buf:
- kfree(helper_buffer);
- return ret;
+ cma_release(cma_heap->cma, cma_pages, pagecount);
+free_buffer:
+ kfree(buffer);
+
+ return ERR_PTR(ret);
}
static const struct dma_heap_ops cma_heap_ops = {
diff --git a/drivers/dma-buf/heaps/deferred-free-helper.c b/drivers/dma-buf/heaps/deferred-free-helper.c
new file mode 100644
index 0000000..1330d27
--- /dev/null
+++ b/drivers/dma-buf/heaps/deferred-free-helper.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Deferred dmabuf freeing helper
+ *
+ * Copyright (C) 2020 Linaro, Ltd.
+ *
+ * Based on the ION page pool code
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#include <linux/freezer.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/swap.h>
+#include <linux/sched/signal.h>
+
+#include "deferred-free-helper.h"
+
+static LIST_HEAD(free_list);
+static size_t list_nr_pages;
+wait_queue_head_t freelist_waitqueue;
+struct task_struct *freelist_task;
+static DEFINE_SPINLOCK(free_list_lock);
+
+void deferred_free(struct deferred_freelist_item *item,
+ void (*free)(struct deferred_freelist_item*,
+ enum df_reason),
+ size_t nr_pages)
+{
+ unsigned long flags;
+
+ INIT_LIST_HEAD(&item->list);
+ item->nr_pages = nr_pages;
+ item->free = free;
+
+ spin_lock_irqsave(&free_list_lock, flags);
+ list_add(&item->list, &free_list);
+ list_nr_pages += nr_pages;
+ spin_unlock_irqrestore(&free_list_lock, flags);
+ wake_up(&freelist_waitqueue);
+}
+EXPORT_SYMBOL_GPL(deferred_free);
+
+static size_t free_one_item(enum df_reason reason)
+{
+ unsigned long flags;
+ size_t nr_pages;
+ struct deferred_freelist_item *item;
+
+ spin_lock_irqsave(&free_list_lock, flags);
+ if (list_empty(&free_list)) {
+ spin_unlock_irqrestore(&free_list_lock, flags);
+ return 0;
+ }
+ item = list_first_entry(&free_list, struct deferred_freelist_item, list);
+ list_del(&item->list);
+ nr_pages = item->nr_pages;
+ list_nr_pages -= nr_pages;
+ spin_unlock_irqrestore(&free_list_lock, flags);
+
+ item->free(item, reason);
+ return nr_pages;
+}
+
+unsigned long get_freelist_nr_pages(void)
+{
+ unsigned long nr_pages;
+ unsigned long flags;
+
+ spin_lock_irqsave(&free_list_lock, flags);
+ nr_pages = list_nr_pages;
+ spin_unlock_irqrestore(&free_list_lock, flags);
+ return nr_pages;
+}
+EXPORT_SYMBOL_GPL(get_freelist_nr_pages);
+
+static unsigned long freelist_shrink_count(struct shrinker *shrinker,
+ struct shrink_control *sc)
+{
+ return get_freelist_nr_pages();
+}
+
+static unsigned long freelist_shrink_scan(struct shrinker *shrinker,
+ struct shrink_control *sc)
+{
+ unsigned long total_freed = 0;
+
+ if (sc->nr_to_scan == 0)
+ return 0;
+
+ while (total_freed < sc->nr_to_scan) {
+ size_t pages_freed = free_one_item(DF_UNDER_PRESSURE);
+
+ if (!pages_freed)
+ break;
+
+ total_freed += pages_freed;
+ }
+
+ return total_freed;
+}
+
+static struct shrinker freelist_shrinker = {
+ .count_objects = freelist_shrink_count,
+ .scan_objects = freelist_shrink_scan,
+ .seeks = DEFAULT_SEEKS,
+ .batch = 0,
+};
+
+static int deferred_free_thread(void *data)
+{
+ while (true) {
+ wait_event_freezable(freelist_waitqueue,
+ get_freelist_nr_pages() > 0);
+
+ free_one_item(DF_NORMAL);
+ }
+
+ return 0;
+}
+
+static int deferred_freelist_init(void)
+{
+ list_nr_pages = 0;
+
+ init_waitqueue_head(&freelist_waitqueue);
+ freelist_task = kthread_run(deferred_free_thread, NULL,
+ "%s", "dmabuf-deferred-free-worker");
+ if (IS_ERR(freelist_task)) {
+ pr_err("Creating thread for deferred free failed\n");
+ return -1;
+ }
+ sched_set_normal(freelist_task, 19);
+
+ return register_shrinker(&freelist_shrinker);
+}
+module_init(deferred_freelist_init);
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/dma-buf/heaps/deferred-free-helper.h b/drivers/dma-buf/heaps/deferred-free-helper.h
new file mode 100644
index 0000000..4154403
--- /dev/null
+++ b/drivers/dma-buf/heaps/deferred-free-helper.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef DEFERRED_FREE_HELPER_H
+#define DEFERRED_FREE_HELPER_H
+
+/**
+ * df_reason - enum for reason why item was freed
+ *
+ * This provides a reason for why the free function was called
+ * on the item. This is useful when deferred_free is used in
+ * combination with a pagepool, so under pressure the page can
+ * be immediately freed.
+ *
+ * DF_NORMAL: Normal deferred free
+ *
+ * DF_UNDER_PRESSURE: Free was called because the system
+ * is under memory pressure. Usually
+ * from a shrinker. Avoid allocating
+ * memory in the free call, as it may
+ * fail.
+ */
+enum df_reason {
+ DF_NORMAL,
+ DF_UNDER_PRESSURE,
+};
+
+/**
+ * deferred_freelist_item - item structure for deferred freelist
+ *
+ * This is to be added to the structure for whatever you want to
+ * defer freeing on.
+ *
+ * @nr_pages: number of pages used by item to be freed
+ * @free: function pointer to be called when freeing the item
+ * @list: list entry for the deferred list
+ */
+struct deferred_freelist_item {
+ size_t nr_pages;
+ void (*free)(struct deferred_freelist_item *i,
+ enum df_reason reason);
+ struct list_head list;
+};
+
+/**
+ * deferred_free - call to add item to the deferred free list
+ *
+ * @item: Pointer to deferred_freelist_item field of a structure
+ * @free: Function pointer to the free call
+ * @nr_pages: number of pages to be freed
+ */
+void deferred_free(struct deferred_freelist_item *item,
+ void (*free)(struct deferred_freelist_item *i,
+ enum df_reason reason),
+ size_t nr_pages);
+
+unsigned long get_freelist_nr_pages(void);
+#endif
diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
deleted file mode 100644
index d0696cf..0000000
--- a/drivers/dma-buf/heaps/heap-helpers.c
+++ /dev/null
@@ -1,270 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/device.h>
-#include <linux/dma-buf.h>
-#include <linux/err.h>
-#include <linux/highmem.h>
-#include <linux/idr.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/uaccess.h>
-#include <linux/vmalloc.h>
-#include <uapi/linux/dma-heap.h>
-
-#include "heap-helpers.h"
-
-void init_heap_helper_buffer(struct heap_helper_buffer *buffer,
- void (*free)(struct heap_helper_buffer *))
-{
- buffer->priv_virt = NULL;
- mutex_init(&buffer->lock);
- buffer->vmap_cnt = 0;
- buffer->vaddr = NULL;
- buffer->pagecount = 0;
- buffer->pages = NULL;
- INIT_LIST_HEAD(&buffer->attachments);
- buffer->free = free;
-}
-
-struct dma_buf *heap_helper_export_dmabuf(struct heap_helper_buffer *buffer,
- int fd_flags)
-{
- DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
-
- exp_info.ops = &heap_helper_ops;
- exp_info.size = buffer->size;
- exp_info.flags = fd_flags;
- exp_info.priv = buffer;
-
- return dma_buf_export(&exp_info);
-}
-
-static void *dma_heap_map_kernel(struct heap_helper_buffer *buffer)
-{
- void *vaddr;
-
- vaddr = vmap(buffer->pages, buffer->pagecount, VM_MAP, PAGE_KERNEL);
- if (!vaddr)
- return ERR_PTR(-ENOMEM);
-
- return vaddr;
-}
-
-static void dma_heap_buffer_destroy(struct heap_helper_buffer *buffer)
-{
- if (buffer->vmap_cnt > 0) {
- WARN(1, "%s: buffer still mapped in the kernel\n", __func__);
- vunmap(buffer->vaddr);
- }
-
- buffer->free(buffer);
-}
-
-static void *dma_heap_buffer_vmap_get(struct heap_helper_buffer *buffer)
-{
- void *vaddr;
-
- if (buffer->vmap_cnt) {
- buffer->vmap_cnt++;
- return buffer->vaddr;
- }
- vaddr = dma_heap_map_kernel(buffer);
- if (IS_ERR(vaddr))
- return vaddr;
- buffer->vaddr = vaddr;
- buffer->vmap_cnt++;
- return vaddr;
-}
-
-static void dma_heap_buffer_vmap_put(struct heap_helper_buffer *buffer)
-{
- if (!--buffer->vmap_cnt) {
- vunmap(buffer->vaddr);
- buffer->vaddr = NULL;
- }
-}
-
-struct dma_heaps_attachment {
- struct device *dev;
- struct sg_table table;
- struct list_head list;
-};
-
-static int dma_heap_attach(struct dma_buf *dmabuf,
- struct dma_buf_attachment *attachment)
-{
- struct dma_heaps_attachment *a;
- struct heap_helper_buffer *buffer = dmabuf->priv;
- int ret;
-
- a = kzalloc(sizeof(*a), GFP_KERNEL);
- if (!a)
- return -ENOMEM;
-
- ret = sg_alloc_table_from_pages(&a->table, buffer->pages,
- buffer->pagecount, 0,
- buffer->pagecount << PAGE_SHIFT,
- GFP_KERNEL);
- if (ret) {
- kfree(a);
- return ret;
- }
-
- a->dev = attachment->dev;
- INIT_LIST_HEAD(&a->list);
-
- attachment->priv = a;
-
- mutex_lock(&buffer->lock);
- list_add(&a->list, &buffer->attachments);
- mutex_unlock(&buffer->lock);
-
- return 0;
-}
-
-static void dma_heap_detach(struct dma_buf *dmabuf,
- struct dma_buf_attachment *attachment)
-{
- struct dma_heaps_attachment *a = attachment->priv;
- struct heap_helper_buffer *buffer = dmabuf->priv;
-
- mutex_lock(&buffer->lock);
- list_del(&a->list);
- mutex_unlock(&buffer->lock);
-
- sg_free_table(&a->table);
- kfree(a);
-}
-
-static
-struct sg_table *dma_heap_map_dma_buf(struct dma_buf_attachment *attachment,
- enum dma_data_direction direction)
-{
- struct dma_heaps_attachment *a = attachment->priv;
- struct sg_table *table = &a->table;
- int ret;
-
- ret = dma_map_sgtable(attachment->dev, table, direction, 0);
- if (ret)
- table = ERR_PTR(ret);
- return table;
-}
-
-static void dma_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
- struct sg_table *table,
- enum dma_data_direction direction)
-{
- dma_unmap_sgtable(attachment->dev, table, direction, 0);
-}
-
-static vm_fault_t dma_heap_vm_fault(struct vm_fault *vmf)
-{
- struct vm_area_struct *vma = vmf->vma;
- struct heap_helper_buffer *buffer = vma->vm_private_data;
-
- if (vmf->pgoff > buffer->pagecount)
- return VM_FAULT_SIGBUS;
-
- vmf->page = buffer->pages[vmf->pgoff];
- get_page(vmf->page);
-
- return 0;
-}
-
-static const struct vm_operations_struct dma_heap_vm_ops = {
- .fault = dma_heap_vm_fault,
-};
-
-static int dma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
-{
- struct heap_helper_buffer *buffer = dmabuf->priv;
-
- if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0)
- return -EINVAL;
-
- vma->vm_ops = &dma_heap_vm_ops;
- vma->vm_private_data = buffer;
-
- return 0;
-}
-
-static void dma_heap_dma_buf_release(struct dma_buf *dmabuf)
-{
- struct heap_helper_buffer *buffer = dmabuf->priv;
-
- dma_heap_buffer_destroy(buffer);
-}
-
-static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
- enum dma_data_direction direction)
-{
- struct heap_helper_buffer *buffer = dmabuf->priv;
- struct dma_heaps_attachment *a;
- int ret = 0;
-
- mutex_lock(&buffer->lock);
-
- if (buffer->vmap_cnt)
- invalidate_kernel_vmap_range(buffer->vaddr, buffer->size);
-
- list_for_each_entry(a, &buffer->attachments, list) {
- dma_sync_sg_for_cpu(a->dev, a->table.sgl, a->table.nents,
- direction);
- }
- mutex_unlock(&buffer->lock);
-
- return ret;
-}
-
-static int dma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
- enum dma_data_direction direction)
-{
- struct heap_helper_buffer *buffer = dmabuf->priv;
- struct dma_heaps_attachment *a;
-
- mutex_lock(&buffer->lock);
-
- if (buffer->vmap_cnt)
- flush_kernel_vmap_range(buffer->vaddr, buffer->size);
-
- list_for_each_entry(a, &buffer->attachments, list) {
- dma_sync_sg_for_device(a->dev, a->table.sgl, a->table.nents,
- direction);
- }
- mutex_unlock(&buffer->lock);
-
- return 0;
-}
-
-static void *dma_heap_dma_buf_vmap(struct dma_buf *dmabuf)
-{
- struct heap_helper_buffer *buffer = dmabuf->priv;
- void *vaddr;
-
- mutex_lock(&buffer->lock);
- vaddr = dma_heap_buffer_vmap_get(buffer);
- mutex_unlock(&buffer->lock);
-
- return vaddr;
-}
-
-static void dma_heap_dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
-{
- struct heap_helper_buffer *buffer = dmabuf->priv;
-
- mutex_lock(&buffer->lock);
- dma_heap_buffer_vmap_put(buffer);
- mutex_unlock(&buffer->lock);
-}
-
-const struct dma_buf_ops heap_helper_ops = {
- .map_dma_buf = dma_heap_map_dma_buf,
- .unmap_dma_buf = dma_heap_unmap_dma_buf,
- .mmap = dma_heap_mmap,
- .release = dma_heap_dma_buf_release,
- .attach = dma_heap_attach,
- .detach = dma_heap_detach,
- .begin_cpu_access = dma_heap_dma_buf_begin_cpu_access,
- .end_cpu_access = dma_heap_dma_buf_end_cpu_access,
- .vmap = dma_heap_dma_buf_vmap,
- .vunmap = dma_heap_dma_buf_vunmap,
-};
diff --git a/drivers/dma-buf/heaps/heap-helpers.h b/drivers/dma-buf/heaps/heap-helpers.h
deleted file mode 100644
index 805d2df..0000000
--- a/drivers/dma-buf/heaps/heap-helpers.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * DMABUF Heaps helper code
- *
- * Copyright (C) 2011 Google, Inc.
- * Copyright (C) 2019 Linaro Ltd.
- */
-
-#ifndef _HEAP_HELPERS_H
-#define _HEAP_HELPERS_H
-
-#include <linux/dma-heap.h>
-#include <linux/list.h>
-
-/**
- * struct heap_helper_buffer - helper buffer metadata
- * @heap: back pointer to the heap the buffer came from
- * @dmabuf: backing dma-buf for this buffer
- * @size: size of the buffer
- * @priv_virt pointer to heap specific private value
- * @lock mutext to protect the data in this structure
- * @vmap_cnt count of vmap references on the buffer
- * @vaddr vmap'ed virtual address
- * @pagecount number of pages in the buffer
- * @pages list of page pointers
- * @attachments list of device attachments
- *
- * @free heap callback to free the buffer
- */
-struct heap_helper_buffer {
- struct dma_heap *heap;
- struct dma_buf *dmabuf;
- size_t size;
-
- void *priv_virt;
- struct mutex lock;
- int vmap_cnt;
- void *vaddr;
- pgoff_t pagecount;
- struct page **pages;
- struct list_head attachments;
-
- void (*free)(struct heap_helper_buffer *buffer);
-};
-
-void init_heap_helper_buffer(struct heap_helper_buffer *buffer,
- void (*free)(struct heap_helper_buffer *));
-
-struct dma_buf *heap_helper_export_dmabuf(struct heap_helper_buffer *buffer,
- int fd_flags);
-
-extern const struct dma_buf_ops heap_helper_ops;
-#endif /* _HEAP_HELPERS_H */
diff --git a/drivers/dma-buf/heaps/page_pool.c b/drivers/dma-buf/heaps/page_pool.c
new file mode 100644
index 0000000..b79e737
--- /dev/null
+++ b/drivers/dma-buf/heaps/page_pool.c
@@ -0,0 +1,247 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DMA BUF page pool system
+ *
+ * Copyright (C) 2020 Linaro Ltd.
+ *
+ * Based on the ION page pool code
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#include <linux/freezer.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/swap.h>
+#include <linux/sched/signal.h>
+#include "page_pool.h"
+
+static LIST_HEAD(pool_list);
+static DEFINE_MUTEX(pool_list_lock);
+
+static inline
+struct page *dmabuf_page_pool_alloc_pages(struct dmabuf_page_pool *pool)
+{
+ if (fatal_signal_pending(current))
+ return NULL;
+ return alloc_pages(pool->gfp_mask, pool->order);
+}
+
+static inline void dmabuf_page_pool_free_pages(struct dmabuf_page_pool *pool,
+ struct page *page)
+{
+ __free_pages(page, pool->order);
+}
+
+static void dmabuf_page_pool_add(struct dmabuf_page_pool *pool, struct page *page)
+{
+ int index;
+
+ if (PageHighMem(page))
+ index = POOL_HIGHPAGE;
+ else
+ index = POOL_LOWPAGE;
+
+ mutex_lock(&pool->mutex);
+ list_add_tail(&page->lru, &pool->items[index]);
+ pool->count[index]++;
+ mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
+ 1 << pool->order);
+ mutex_unlock(&pool->mutex);
+}
+
+static struct page *dmabuf_page_pool_remove(struct dmabuf_page_pool *pool, int index)
+{
+ struct page *page;
+
+ mutex_lock(&pool->mutex);
+ page = list_first_entry_or_null(&pool->items[index], struct page, lru);
+ if (page) {
+ pool->count[index]--;
+ list_del(&page->lru);
+ mod_node_page_state(page_pgdat(page), NR_KERNEL_MISC_RECLAIMABLE,
+ -(1 << pool->order));
+ }
+ mutex_unlock(&pool->mutex);
+
+ return page;
+}
+
+static struct page *dmabuf_page_pool_fetch(struct dmabuf_page_pool *pool)
+{
+ struct page *page = NULL;
+
+ page = dmabuf_page_pool_remove(pool, POOL_HIGHPAGE);
+ if (!page)
+ page = dmabuf_page_pool_remove(pool, POOL_LOWPAGE);
+
+ return page;
+}
+
+struct page *dmabuf_page_pool_alloc(struct dmabuf_page_pool *pool)
+{
+ struct page *page = NULL;
+
+ if (WARN_ON(!pool))
+ return NULL;
+
+ page = dmabuf_page_pool_fetch(pool);
+
+ if (!page)
+ page = dmabuf_page_pool_alloc_pages(pool);
+ return page;
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_alloc);
+
+void dmabuf_page_pool_free(struct dmabuf_page_pool *pool, struct page *page)
+{
+ if (WARN_ON(pool->order != compound_order(page)))
+ return;
+
+ dmabuf_page_pool_add(pool, page);
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_free);
+
+static int dmabuf_page_pool_total(struct dmabuf_page_pool *pool, bool high)
+{
+ int count = pool->count[POOL_LOWPAGE];
+
+ if (high)
+ count += pool->count[POOL_HIGHPAGE];
+
+ return count << pool->order;
+}
+
+struct dmabuf_page_pool *dmabuf_page_pool_create(gfp_t gfp_mask, unsigned int order)
+{
+ struct dmabuf_page_pool *pool = kmalloc(sizeof(*pool), GFP_KERNEL);
+ int i;
+
+ if (!pool)
+ return NULL;
+
+ for (i = 0; i < POOL_TYPE_SIZE; i++) {
+ pool->count[i] = 0;
+ INIT_LIST_HEAD(&pool->items[i]);
+ }
+ pool->gfp_mask = gfp_mask | __GFP_COMP;
+ pool->order = order;
+ mutex_init(&pool->mutex);
+
+ mutex_lock(&pool_list_lock);
+ list_add(&pool->list, &pool_list);
+ mutex_unlock(&pool_list_lock);
+
+ return pool;
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_create);
+
+void dmabuf_page_pool_destroy(struct dmabuf_page_pool *pool)
+{
+ struct page *page;
+ int i;
+
+ /* Remove us from the pool list */
+ mutex_lock(&pool_list_lock);
+ list_del(&pool->list);
+ mutex_unlock(&pool_list_lock);
+
+ /* Free any remaining pages in the pool */
+ for (i = 0; i < POOL_TYPE_SIZE; i++) {
+ while ((page = dmabuf_page_pool_remove(pool, i)))
+ dmabuf_page_pool_free_pages(pool, page);
+ }
+
+ kfree(pool);
+}
+EXPORT_SYMBOL_GPL(dmabuf_page_pool_destroy);
+
+static int dmabuf_page_pool_do_shrink(struct dmabuf_page_pool *pool, gfp_t gfp_mask,
+ int nr_to_scan)
+{
+ int freed = 0;
+ bool high;
+
+ if (current_is_kswapd())
+ high = true;
+ else
+ high = !!(gfp_mask & __GFP_HIGHMEM);
+
+ if (nr_to_scan == 0)
+ return dmabuf_page_pool_total(pool, high);
+
+ while (freed < nr_to_scan) {
+ struct page *page;
+
+ /* Try to free low pages first */
+ page = dmabuf_page_pool_remove(pool, POOL_LOWPAGE);
+ if (!page)
+ page = dmabuf_page_pool_remove(pool, POOL_HIGHPAGE);
+
+ if (!page)
+ break;
+
+ dmabuf_page_pool_free_pages(pool, page);
+ freed += (1 << pool->order);
+ }
+
+ return freed;
+}
+
+static int dmabuf_page_pool_shrink(gfp_t gfp_mask, int nr_to_scan)
+{
+ struct dmabuf_page_pool *pool;
+ int nr_total = 0;
+ int nr_freed;
+ int only_scan = 0;
+
+ if (!nr_to_scan)
+ only_scan = 1;
+
+ mutex_lock(&pool_list_lock);
+ list_for_each_entry(pool, &pool_list, list) {
+ if (only_scan) {
+ nr_total += dmabuf_page_pool_do_shrink(pool,
+ gfp_mask,
+ nr_to_scan);
+ } else {
+ nr_freed = dmabuf_page_pool_do_shrink(pool,
+ gfp_mask,
+ nr_to_scan);
+ nr_to_scan -= nr_freed;
+ nr_total += nr_freed;
+ if (nr_to_scan <= 0)
+ break;
+ }
+ }
+ mutex_unlock(&pool_list_lock);
+
+ return nr_total;
+}
+
+static unsigned long dmabuf_page_pool_shrink_count(struct shrinker *shrinker,
+ struct shrink_control *sc)
+{
+ return dmabuf_page_pool_shrink(sc->gfp_mask, 0);
+}
+
+static unsigned long dmabuf_page_pool_shrink_scan(struct shrinker *shrinker,
+ struct shrink_control *sc)
+{
+ if (sc->nr_to_scan == 0)
+ return 0;
+ return dmabuf_page_pool_shrink(sc->gfp_mask, sc->nr_to_scan);
+}
+
+struct shrinker pool_shrinker = {
+ .count_objects = dmabuf_page_pool_shrink_count,
+ .scan_objects = dmabuf_page_pool_shrink_scan,
+ .seeks = DEFAULT_SEEKS,
+ .batch = 0,
+};
+
+static int dmabuf_page_pool_init_shrinker(void)
+{
+ return register_shrinker(&pool_shrinker);
+}
+module_init(dmabuf_page_pool_init_shrinker);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/dma-buf/heaps/page_pool.h b/drivers/dma-buf/heaps/page_pool.h
new file mode 100644
index 0000000..6b083b0
--- /dev/null
+++ b/drivers/dma-buf/heaps/page_pool.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * DMA BUF PagePool implementation
+ * Based on earlier ION code by Google
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Copyright (C) 2020 Linaro Ltd.
+ */
+
+#ifndef _DMABUF_PAGE_POOL_H
+#define _DMABUF_PAGE_POOL_H
+
+#include <linux/device.h>
+#include <linux/kref.h>
+#include <linux/mm_types.h>
+#include <linux/mutex.h>
+#include <linux/shrinker.h>
+#include <linux/types.h>
+
+/* page types we track in the pool */
+enum {
+ POOL_LOWPAGE, /* Clean lowmem pages */
+ POOL_HIGHPAGE, /* Clean highmem pages */
+
+ POOL_TYPE_SIZE,
+};
+
+/**
+ * struct dmabuf_page_pool - pagepool struct
+ * @count[]: array of number of pages of that type in the pool
+ * @items[]: array of list of pages of the specific type
+ * @mutex: lock protecting this struct and especially the count
+ * item list
+ * @gfp_mask: gfp_mask to use from alloc
+ * @order: order of pages in the pool
+ * @list: list node for list of pools
+ *
+ * Allows you to keep a pool of pre allocated pages to use
+ */
+struct dmabuf_page_pool {
+ int count[POOL_TYPE_SIZE];
+ struct list_head items[POOL_TYPE_SIZE];
+ struct mutex mutex;
+ gfp_t gfp_mask;
+ unsigned int order;
+ struct list_head list;
+};
+
+struct dmabuf_page_pool *dmabuf_page_pool_create(gfp_t gfp_mask,
+ unsigned int order);
+void dmabuf_page_pool_destroy(struct dmabuf_page_pool *pool);
+struct page *dmabuf_page_pool_alloc(struct dmabuf_page_pool *pool);
+void dmabuf_page_pool_free(struct dmabuf_page_pool *pool, struct page *page);
+
+#endif /* _DMABUF_PAGE_POOL_H */
diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c
index 0bf688e..a9a9abf 100644
--- a/drivers/dma-buf/heaps/system_heap.c
+++ b/drivers/dma-buf/heaps/system_heap.c
@@ -3,7 +3,11 @@
* DMABUF System heap exporter
*
* Copyright (C) 2011 Google, Inc.
- * Copyright (C) 2019 Linaro Ltd.
+ * Copyright (C) 2019, 2020 Linaro Ltd.
+ *
+ * Portions based off of Andrew Davis' SRAM heap:
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ * Andrew F. Davis <afd@ti.com>
*/
#include <linux/dma-buf.h>
@@ -15,99 +19,574 @@
#include <linux/module.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
-#include <linux/sched/signal.h>
-#include <asm/page.h>
+#include <linux/vmalloc.h>
-#include "heap-helpers.h"
+#include "page_pool.h"
+#include "deferred-free-helper.h"
-struct dma_heap *sys_heap;
+static struct dma_heap *sys_heap;
+static struct dma_heap *sys_uncached_heap;
-static void system_heap_free(struct heap_helper_buffer *buffer)
+struct system_heap_buffer {
+ struct dma_heap *heap;
+ struct list_head attachments;
+ struct mutex lock;
+ unsigned long len;
+ struct sg_table sg_table;
+ int vmap_cnt;
+ void *vaddr;
+ struct deferred_freelist_item deferred_free;
+
+ bool uncached;
+};
+
+struct dma_heap_attachment {
+ struct device *dev;
+ struct sg_table *table;
+ struct list_head list;
+ bool mapped;
+
+ bool uncached;
+};
+
+#define LOW_ORDER_GFP (GFP_HIGHUSER | __GFP_ZERO | __GFP_COMP)
+#define MID_ORDER_GFP (LOW_ORDER_GFP | __GFP_NOWARN)
+#define HIGH_ORDER_GFP (((GFP_HIGHUSER | __GFP_ZERO | __GFP_NOWARN \
+ | __GFP_NORETRY) & ~__GFP_RECLAIM) \
+ | __GFP_COMP)
+static gfp_t order_flags[] = {HIGH_ORDER_GFP, MID_ORDER_GFP, LOW_ORDER_GFP};
+/*
+ * The selection of the orders used for allocation (1MB, 64K, 4K) is designed
+ * to match with the sizes often found in IOMMUs. Using order 4 pages instead
+ * of order 0 pages can significantly improve the performance of many IOMMUs
+ * by reducing TLB pressure and time spent updating page tables.
+ */
+static const unsigned int orders[] = {8, 4, 0};
+#define NUM_ORDERS ARRAY_SIZE(orders)
+struct dmabuf_page_pool *pools[NUM_ORDERS];
+
+static struct sg_table *dup_sg_table(struct sg_table *table)
{
- pgoff_t pg;
+ struct sg_table *new_table;
+ int ret, i;
+ struct scatterlist *sg, *new_sg;
- for (pg = 0; pg < buffer->pagecount; pg++)
- __free_page(buffer->pages[pg]);
- kfree(buffer->pages);
+ new_table = kzalloc(sizeof(*new_table), GFP_KERNEL);
+ if (!new_table)
+ return ERR_PTR(-ENOMEM);
+
+ ret = sg_alloc_table(new_table, table->orig_nents, GFP_KERNEL);
+ if (ret) {
+ kfree(new_table);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ new_sg = new_table->sgl;
+ for_each_sgtable_sg(table, sg, i) {
+ sg_set_page(new_sg, sg_page(sg), sg->length, sg->offset);
+ new_sg = sg_next(new_sg);
+ }
+
+ return new_table;
+}
+
+static int system_heap_attach(struct dma_buf *dmabuf,
+ struct dma_buf_attachment *attachment)
+{
+ struct system_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a;
+ struct sg_table *table;
+
+ a = kzalloc(sizeof(*a), GFP_KERNEL);
+ if (!a)
+ return -ENOMEM;
+
+ table = dup_sg_table(&buffer->sg_table);
+ if (IS_ERR(table)) {
+ kfree(a);
+ return -ENOMEM;
+ }
+
+ a->table = table;
+ a->dev = attachment->dev;
+ INIT_LIST_HEAD(&a->list);
+ a->mapped = false;
+ a->uncached = buffer->uncached;
+ attachment->priv = a;
+
+ mutex_lock(&buffer->lock);
+ list_add(&a->list, &buffer->attachments);
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static void system_heap_detach(struct dma_buf *dmabuf,
+ struct dma_buf_attachment *attachment)
+{
+ struct system_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a = attachment->priv;
+
+ mutex_lock(&buffer->lock);
+ list_del(&a->list);
+ mutex_unlock(&buffer->lock);
+
+ sg_free_table(a->table);
+ kfree(a->table);
+ kfree(a);
+}
+
+static struct sg_table *system_heap_map_dma_buf(struct dma_buf_attachment *attachment,
+ enum dma_data_direction direction)
+{
+ struct dma_heap_attachment *a = attachment->priv;
+ struct sg_table *table = a->table;
+ int attr = attachment->dma_map_attrs;
+ int ret;
+
+ if (a->uncached)
+ attr |= DMA_ATTR_SKIP_CPU_SYNC;
+
+ ret = dma_map_sgtable(attachment->dev, table, direction, attr);
+ if (ret)
+ return ERR_PTR(ret);
+
+ a->mapped = true;
+ return table;
+}
+
+static void system_heap_unmap_dma_buf(struct dma_buf_attachment *attachment,
+ struct sg_table *table,
+ enum dma_data_direction direction)
+{
+ struct dma_heap_attachment *a = attachment->priv;
+ int attr = attachment->dma_map_attrs;
+
+ if (a->uncached)
+ attr |= DMA_ATTR_SKIP_CPU_SYNC;
+ a->mapped = false;
+ dma_unmap_sgtable(attachment->dev, table, direction, attr);
+}
+
+static int system_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
+ enum dma_data_direction direction)
+{
+ struct system_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a;
+
+ mutex_lock(&buffer->lock);
+
+ if (buffer->vmap_cnt)
+ invalidate_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+ if (!buffer->uncached) {
+ list_for_each_entry(a, &buffer->attachments, list) {
+ if (!a->mapped)
+ continue;
+ dma_sync_sgtable_for_cpu(a->dev, a->table, direction);
+ }
+ }
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static int system_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
+ enum dma_data_direction direction)
+{
+ struct system_heap_buffer *buffer = dmabuf->priv;
+ struct dma_heap_attachment *a;
+
+ mutex_lock(&buffer->lock);
+
+ if (buffer->vmap_cnt)
+ flush_kernel_vmap_range(buffer->vaddr, buffer->len);
+
+ if (!buffer->uncached) {
+ list_for_each_entry(a, &buffer->attachments, list) {
+ if (!a->mapped)
+ continue;
+ dma_sync_sgtable_for_device(a->dev, a->table, direction);
+ }
+ }
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static int system_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
+{
+ struct system_heap_buffer *buffer = dmabuf->priv;
+ struct sg_table *table = &buffer->sg_table;
+ unsigned long addr = vma->vm_start;
+ struct sg_page_iter piter;
+ int ret;
+
+ if (buffer->uncached)
+ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+
+ for_each_sgtable_page(table, &piter, vma->vm_pgoff) {
+ struct page *page = sg_page_iter_page(&piter);
+
+ ret = remap_pfn_range(vma, addr, page_to_pfn(page), PAGE_SIZE,
+ vma->vm_page_prot);
+ if (ret)
+ return ret;
+ addr += PAGE_SIZE;
+ if (addr >= vma->vm_end)
+ return 0;
+ }
+ return 0;
+}
+
+static void *system_heap_do_vmap(struct system_heap_buffer *buffer)
+{
+ struct sg_table *table = &buffer->sg_table;
+ int npages = PAGE_ALIGN(buffer->len) / PAGE_SIZE;
+ struct page **pages = vmalloc(sizeof(struct page *) * npages);
+ struct page **tmp = pages;
+ struct sg_page_iter piter;
+ pgprot_t pgprot = PAGE_KERNEL;
+ void *vaddr;
+
+ if (!pages)
+ return ERR_PTR(-ENOMEM);
+
+ if (buffer->uncached)
+ pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+ for_each_sgtable_page(table, &piter, 0) {
+ WARN_ON(tmp - pages >= npages);
+ *tmp++ = sg_page_iter_page(&piter);
+ }
+
+ vaddr = vmap(pages, npages, VM_MAP, pgprot);
+ vfree(pages);
+
+ if (!vaddr)
+ return ERR_PTR(-ENOMEM);
+
+ return vaddr;
+}
+
+static void *system_heap_vmap(struct dma_buf *dmabuf)
+{
+ struct system_heap_buffer *buffer = dmabuf->priv;
+ void *vaddr;
+
+ mutex_lock(&buffer->lock);
+ if (buffer->vmap_cnt) {
+ buffer->vmap_cnt++;
+ vaddr = buffer->vaddr;
+ goto out;
+ }
+
+ vaddr = system_heap_do_vmap(buffer);
+ if (IS_ERR(vaddr))
+ goto out;
+
+ buffer->vaddr = vaddr;
+ buffer->vmap_cnt++;
+out:
+ mutex_unlock(&buffer->lock);
+
+ return vaddr;
+}
+
+static void system_heap_vunmap(struct dma_buf *dmabuf, void *vaddr)
+{
+ struct system_heap_buffer *buffer = dmabuf->priv;
+
+ mutex_lock(&buffer->lock);
+ if (!--buffer->vmap_cnt) {
+ vunmap(buffer->vaddr);
+ buffer->vaddr = NULL;
+ }
+ mutex_unlock(&buffer->lock);
+}
+
+static int system_heap_zero_buffer(struct system_heap_buffer *buffer)
+{
+ struct sg_table *sgt = &buffer->sg_table;
+ struct sg_page_iter piter;
+ struct page *p;
+ void *vaddr;
+ int ret = 0;
+
+ for_each_sgtable_page(sgt, &piter, 0) {
+ p = sg_page_iter_page(&piter);
+ vaddr = kmap_atomic(p);
+ memset(vaddr, 0, PAGE_SIZE);
+ kunmap_atomic(vaddr);
+ }
+
+ return ret;
+}
+
+static void system_heap_buf_free(struct deferred_freelist_item *item,
+ enum df_reason reason)
+{
+ struct system_heap_buffer *buffer;
+ struct sg_table *table;
+ struct scatterlist *sg;
+ int i, j;
+
+ buffer = container_of(item, struct system_heap_buffer, deferred_free);
+ /* Zero the buffer pages before adding back to the pool */
+ if (reason == DF_NORMAL)
+ if (system_heap_zero_buffer(buffer))
+ reason = DF_UNDER_PRESSURE; // On failure, just free
+
+ table = &buffer->sg_table;
+ for_each_sg(table->sgl, sg, table->nents, i) {
+ struct page *page = sg_page(sg);
+
+ if (reason == DF_UNDER_PRESSURE) {
+ __free_pages(page, compound_order(page));
+ } else {
+ for (j = 0; j < NUM_ORDERS; j++) {
+ if (compound_order(page) == orders[j])
+ break;
+ }
+ dmabuf_page_pool_free(pools[j], page);
+ }
+ }
+ sg_free_table(table);
kfree(buffer);
}
-static int system_heap_allocate(struct dma_heap *heap,
- unsigned long len,
- unsigned long fd_flags,
- unsigned long heap_flags)
+static void system_heap_dma_buf_release(struct dma_buf *dmabuf)
{
- struct heap_helper_buffer *helper_buffer;
- struct dma_buf *dmabuf;
- int ret = -ENOMEM;
- pgoff_t pg;
+ struct system_heap_buffer *buffer = dmabuf->priv;
+ int npages = PAGE_ALIGN(buffer->len) / PAGE_SIZE;
- helper_buffer = kzalloc(sizeof(*helper_buffer), GFP_KERNEL);
- if (!helper_buffer)
- return -ENOMEM;
+ deferred_free(&buffer->deferred_free, system_heap_buf_free, npages);
+}
- init_heap_helper_buffer(helper_buffer, system_heap_free);
- helper_buffer->heap = heap;
- helper_buffer->size = len;
+static const struct dma_buf_ops system_heap_buf_ops = {
+ .attach = system_heap_attach,
+ .detach = system_heap_detach,
+ .map_dma_buf = system_heap_map_dma_buf,
+ .unmap_dma_buf = system_heap_unmap_dma_buf,
+ .begin_cpu_access = system_heap_dma_buf_begin_cpu_access,
+ .end_cpu_access = system_heap_dma_buf_end_cpu_access,
+ .mmap = system_heap_mmap,
+ .vmap = system_heap_vmap,
+ .vunmap = system_heap_vunmap,
+ .release = system_heap_dma_buf_release,
+};
- helper_buffer->pagecount = len / PAGE_SIZE;
- helper_buffer->pages = kmalloc_array(helper_buffer->pagecount,
- sizeof(*helper_buffer->pages),
- GFP_KERNEL);
- if (!helper_buffer->pages) {
- ret = -ENOMEM;
- goto err0;
+static struct page *alloc_largest_available(unsigned long size,
+ unsigned int max_order)
+{
+ struct page *page;
+ int i;
+
+ for (i = 0; i < NUM_ORDERS; i++) {
+ if (size < (PAGE_SIZE << orders[i]))
+ continue;
+ if (max_order < orders[i])
+ continue;
+ page = dmabuf_page_pool_alloc(pools[i]);
+ if (!page)
+ continue;
+ return page;
}
+ return NULL;
+}
- for (pg = 0; pg < helper_buffer->pagecount; pg++) {
+static struct dma_buf *system_heap_do_allocate(struct dma_heap *heap,
+ unsigned long len,
+ unsigned long fd_flags,
+ unsigned long heap_flags,
+ bool uncached)
+{
+ struct system_heap_buffer *buffer;
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+ unsigned long size_remaining = len;
+ unsigned int max_order = orders[0];
+ struct dma_buf *dmabuf;
+ struct sg_table *table;
+ struct scatterlist *sg;
+ struct list_head pages;
+ struct page *page, *tmp_page;
+ int i, ret = -ENOMEM;
+
+ buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+ if (!buffer)
+ return ERR_PTR(-ENOMEM);
+
+ INIT_LIST_HEAD(&buffer->attachments);
+ mutex_init(&buffer->lock);
+ buffer->heap = heap;
+ buffer->len = len;
+ buffer->uncached = uncached;
+
+ INIT_LIST_HEAD(&pages);
+ i = 0;
+ while (size_remaining > 0) {
/*
* Avoid trying to allocate memory if the process
- * has been killed by by SIGKILL
+ * has been killed by SIGKILL
*/
if (fatal_signal_pending(current))
- goto err1;
+ goto free_buffer;
- helper_buffer->pages[pg] = alloc_page(GFP_KERNEL | __GFP_ZERO);
- if (!helper_buffer->pages[pg])
- goto err1;
+ page = alloc_largest_available(size_remaining, max_order);
+ if (!page)
+ goto free_buffer;
+
+ list_add_tail(&page->lru, &pages);
+ size_remaining -= page_size(page);
+ max_order = compound_order(page);
+ i++;
+ }
+
+ table = &buffer->sg_table;
+ if (sg_alloc_table(table, i, GFP_KERNEL))
+ goto free_buffer;
+
+ sg = table->sgl;
+ list_for_each_entry_safe(page, tmp_page, &pages, lru) {
+ sg_set_page(sg, page, page_size(page), 0);
+ sg = sg_next(sg);
+ list_del(&page->lru);
}
/* create the dmabuf */
- dmabuf = heap_helper_export_dmabuf(helper_buffer, fd_flags);
+ exp_info.exp_name = dma_heap_get_name(heap);
+ exp_info.ops = &system_heap_buf_ops;
+ exp_info.size = buffer->len;
+ exp_info.flags = fd_flags;
+ exp_info.priv = buffer;
+ dmabuf = dma_buf_export(&exp_info);
if (IS_ERR(dmabuf)) {
ret = PTR_ERR(dmabuf);
- goto err1;
+ goto free_pages;
}
- helper_buffer->dmabuf = dmabuf;
-
- ret = dma_buf_fd(dmabuf, fd_flags);
- if (ret < 0) {
- dma_buf_put(dmabuf);
- /* just return, as put will call release and that will free */
- return ret;
+ /*
+ * For uncached buffers, we need to initially flush cpu cache, since
+ * the __GFP_ZERO on the allocation means the zeroing was done by the
+ * cpu and thus it is likely cached. Map (and implicitly flush) and
+ * unmap it now so we don't get corruption later on.
+ */
+ if (buffer->uncached) {
+ dma_map_sgtable(dma_heap_get_dev(heap), table, DMA_BIDIRECTIONAL, 0);
+ dma_unmap_sgtable(dma_heap_get_dev(heap), table, DMA_BIDIRECTIONAL, 0);
}
- return ret;
+ return dmabuf;
-err1:
- while (pg > 0)
- __free_page(helper_buffer->pages[--pg]);
- kfree(helper_buffer->pages);
-err0:
- kfree(helper_buffer);
+free_pages:
+ for_each_sgtable_sg(table, sg, i) {
+ struct page *p = sg_page(sg);
- return ret;
+ __free_pages(p, compound_order(p));
+ }
+ sg_free_table(table);
+free_buffer:
+ list_for_each_entry_safe(page, tmp_page, &pages, lru)
+ __free_pages(page, compound_order(page));
+ kfree(buffer);
+
+ return ERR_PTR(ret);
+}
+
+static struct dma_buf *system_heap_allocate(struct dma_heap *heap,
+ unsigned long len,
+ unsigned long fd_flags,
+ unsigned long heap_flags)
+{
+ return system_heap_do_allocate(heap, len, fd_flags, heap_flags, false);
+}
+
+static long system_get_pool_size(struct dma_heap *heap)
+{
+ int i;
+ long num_pages = 0;
+ struct dmabuf_page_pool **pool;
+
+ pool = pools;
+ for (i = 0; i < NUM_ORDERS; i++, pool++) {
+ num_pages += ((*pool)->count[POOL_LOWPAGE] +
+ (*pool)->count[POOL_HIGHPAGE]) << (*pool)->order;
+ }
+
+ return num_pages << PAGE_SHIFT;
}
static const struct dma_heap_ops system_heap_ops = {
.allocate = system_heap_allocate,
+ .get_pool_size = system_get_pool_size,
};
+static struct dma_buf *system_uncached_heap_allocate(struct dma_heap *heap,
+ unsigned long len,
+ unsigned long fd_flags,
+ unsigned long heap_flags)
+{
+ return system_heap_do_allocate(heap, len, fd_flags, heap_flags, true);
+}
+
+/* Dummy function to be used until we can call coerce_mask_and_coherent */
+static struct dma_buf *system_uncached_heap_not_initialized(struct dma_heap *heap,
+ unsigned long len,
+ unsigned long fd_flags,
+ unsigned long heap_flags)
+{
+ return ERR_PTR(-EBUSY);
+}
+
+static struct dma_heap_ops system_uncached_heap_ops = {
+ /* After system_heap_create is complete, we will swap this */
+ .allocate = system_uncached_heap_not_initialized,
+};
+
+static int set_heap_dev_dma(struct device *heap_dev)
+{
+ int err = 0;
+
+ if (!heap_dev)
+ return -EINVAL;
+
+ dma_coerce_mask_and_coherent(heap_dev, DMA_BIT_MASK(64));
+
+ if (!heap_dev->dma_parms) {
+ heap_dev->dma_parms = devm_kzalloc(heap_dev,
+ sizeof(*heap_dev->dma_parms),
+ GFP_KERNEL);
+ if (!heap_dev->dma_parms)
+ return -ENOMEM;
+
+ err = dma_set_max_seg_size(heap_dev, (unsigned int)DMA_BIT_MASK(64));
+ if (err) {
+ devm_kfree(heap_dev, heap_dev->dma_parms);
+ dev_err(heap_dev, "Failed to set DMA segment size, err:%d\n", err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
static int system_heap_create(void)
{
struct dma_heap_export_info exp_info;
- int ret = 0;
+ int i, err = 0;
+
+ for (i = 0; i < NUM_ORDERS; i++) {
+ pools[i] = dmabuf_page_pool_create(order_flags[i], orders[i]);
+
+ if (!pools[i]) {
+ int j;
+
+ pr_err("%s: page pool creation failed!\n", __func__);
+ for (j = 0; j < i; j++)
+ dmabuf_page_pool_destroy(pools[j]);
+ return -ENOMEM;
+ }
+ }
exp_info.name = "system";
exp_info.ops = &system_heap_ops;
@@ -115,9 +594,24 @@ static int system_heap_create(void)
sys_heap = dma_heap_add(&exp_info);
if (IS_ERR(sys_heap))
- ret = PTR_ERR(sys_heap);
+ return PTR_ERR(sys_heap);
- return ret;
+ exp_info.name = "system-uncached";
+ exp_info.ops = &system_uncached_heap_ops;
+ exp_info.priv = NULL;
+
+ sys_uncached_heap = dma_heap_add(&exp_info);
+ if (IS_ERR(sys_uncached_heap))
+ return PTR_ERR(sys_uncached_heap);
+
+ err = set_heap_dev_dma(dma_heap_get_dev(sys_uncached_heap));
+ if (err)
+ return err;
+
+ mb(); /* make sure we only set allocate after dma_mask is set */
+ system_uncached_heap_ops.allocate = system_uncached_heap_allocate;
+
+ return 0;
}
module_init(system_heap_create);
MODULE_LICENSE("GPL v2");
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index dfbf514..6dca548 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -3199,7 +3199,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int pl330_remove(struct amba_device *adev)
+static void pl330_remove(struct amba_device *adev)
{
struct pl330_dmac *pl330 = amba_get_drvdata(adev);
struct dma_pl330_chan *pch, *_p;
@@ -3239,7 +3239,6 @@ static int pl330_remove(struct amba_device *adev)
if (pl330->rstc)
reset_control_assert(pl330->rstc);
- return 0;
}
static const struct amba_id pl330_ids[] = {
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index c08968c..359f651 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -235,7 +235,7 @@
Say Y here if you want Intel RSU support.
config QCOM_SCM
- bool
+ tristate "Qcom SCM driver"
depends on ARM || ARM64
depends on HAVE_ARM_SMCCC
select RESET_CONTROLLER
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 5e013b6..523173c 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -17,7 +17,8 @@
obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o
obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o
obj-$(CONFIG_FW_CFG_SYSFS) += qemu_fw_cfg.o
-obj-$(CONFIG_QCOM_SCM) += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o
+obj-$(CONFIG_QCOM_SCM) += qcom-scm.o
+qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o
obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o
obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o
obj-$(CONFIG_TURRIS_MOX_RWTM) += turris-mox-rwtm.o
diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile
index bc0d54f..6a2ef63 100644
--- a/drivers/firmware/arm_scmi/Makefile
+++ b/drivers/firmware/arm_scmi/Makefile
@@ -4,7 +4,7 @@
scmi-transport-y = shmem.o
scmi-transport-$(CONFIG_MAILBOX) += mailbox.o
scmi-transport-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) += smc.o
-scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o
+scmi-protocols-y = base.o clock.o perf.o power.o reset.o sensors.o system.o voltage.o
scmi-module-objs := $(scmi-bus-y) $(scmi-driver-y) $(scmi-protocols-y) \
$(scmi-transport-y)
obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-module.o
diff --git a/drivers/firmware/arm_scmi/base.c b/drivers/firmware/arm_scmi/base.c
index 017e5d8..b70d741 100644
--- a/drivers/firmware/arm_scmi/base.c
+++ b/drivers/firmware/arm_scmi/base.c
@@ -7,6 +7,7 @@
#define pr_fmt(fmt) "SCMI Notifications BASE - " fmt
+#include <linux/module.h>
#include <linux/scmi_protocol.h>
#include "common.h"
@@ -50,30 +51,30 @@ struct scmi_base_error_notify_payld {
* scmi_base_attributes_get() - gets the implementation details
* that are associated with the base protocol.
*
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
*
* Return: 0 on success, else appropriate SCMI error.
*/
-static int scmi_base_attributes_get(const struct scmi_handle *handle)
+static int scmi_base_attributes_get(const struct scmi_protocol_handle *ph)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_base_attributes *attr_info;
- struct scmi_revision_info *rev = handle->version;
+ struct scmi_revision_info *rev = ph->get_priv(ph);
- ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
- SCMI_PROTOCOL_BASE, 0, sizeof(*attr_info), &t);
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+ 0, sizeof(*attr_info), &t);
if (ret)
return ret;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
attr_info = t->rx.buf;
rev->num_protocols = attr_info->num_protocols;
rev->num_agents = attr_info->num_agents;
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
@@ -81,19 +82,20 @@ static int scmi_base_attributes_get(const struct scmi_handle *handle)
/**
* scmi_base_vendor_id_get() - gets vendor/subvendor identifier ASCII string.
*
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
* @sub_vendor: specify true if sub-vendor ID is needed
*
* Return: 0 on success, else appropriate SCMI error.
*/
static int
-scmi_base_vendor_id_get(const struct scmi_handle *handle, bool sub_vendor)
+scmi_base_vendor_id_get(const struct scmi_protocol_handle *ph, bool sub_vendor)
{
u8 cmd;
int ret, size;
char *vendor_id;
struct scmi_xfer *t;
- struct scmi_revision_info *rev = handle->version;
+ struct scmi_revision_info *rev = ph->get_priv(ph);
+
if (sub_vendor) {
cmd = BASE_DISCOVER_SUB_VENDOR;
@@ -105,15 +107,15 @@ scmi_base_vendor_id_get(const struct scmi_handle *handle, bool sub_vendor)
size = ARRAY_SIZE(rev->vendor_id);
}
- ret = scmi_xfer_get_init(handle, cmd, SCMI_PROTOCOL_BASE, 0, size, &t);
+ ret = ph->xops->xfer_get_init(ph, cmd, 0, size, &t);
if (ret)
return ret;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
memcpy(vendor_id, t->rx.buf, size);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
@@ -123,30 +125,30 @@ scmi_base_vendor_id_get(const struct scmi_handle *handle, bool sub_vendor)
* implementation 32-bit version. The format of the version number is
* vendor-specific
*
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
*
* Return: 0 on success, else appropriate SCMI error.
*/
static int
-scmi_base_implementation_version_get(const struct scmi_handle *handle)
+scmi_base_implementation_version_get(const struct scmi_protocol_handle *ph)
{
int ret;
__le32 *impl_ver;
struct scmi_xfer *t;
- struct scmi_revision_info *rev = handle->version;
+ struct scmi_revision_info *rev = ph->get_priv(ph);
- ret = scmi_xfer_get_init(handle, BASE_DISCOVER_IMPLEMENT_VERSION,
- SCMI_PROTOCOL_BASE, 0, sizeof(*impl_ver), &t);
+ ret = ph->xops->xfer_get_init(ph, BASE_DISCOVER_IMPLEMENT_VERSION,
+ 0, sizeof(*impl_ver), &t);
if (ret)
return ret;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
impl_ver = t->rx.buf;
rev->impl_ver = le32_to_cpu(*impl_ver);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
@@ -155,23 +157,24 @@ scmi_base_implementation_version_get(const struct scmi_handle *handle)
* scmi_base_implementation_list_get() - gets the list of protocols it is
* OSPM is allowed to access
*
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
* @protocols_imp: pointer to hold the list of protocol identifiers
*
* Return: 0 on success, else appropriate SCMI error.
*/
-static int scmi_base_implementation_list_get(const struct scmi_handle *handle,
- u8 *protocols_imp)
+static int
+scmi_base_implementation_list_get(const struct scmi_protocol_handle *ph,
+ u8 *protocols_imp)
{
u8 *list;
int ret, loop;
struct scmi_xfer *t;
__le32 *num_skip, *num_ret;
u32 tot_num_ret = 0, loop_num_ret;
- struct device *dev = handle->dev;
+ struct device *dev = ph->dev;
- ret = scmi_xfer_get_init(handle, BASE_DISCOVER_LIST_PROTOCOLS,
- SCMI_PROTOCOL_BASE, sizeof(*num_skip), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, BASE_DISCOVER_LIST_PROTOCOLS,
+ sizeof(*num_skip), 0, &t);
if (ret)
return ret;
@@ -183,7 +186,7 @@ static int scmi_base_implementation_list_get(const struct scmi_handle *handle,
/* Set the number of protocols to be skipped/already read */
*num_skip = cpu_to_le32(tot_num_ret);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (ret)
break;
@@ -198,10 +201,10 @@ static int scmi_base_implementation_list_get(const struct scmi_handle *handle,
tot_num_ret += loop_num_ret;
- scmi_reset_rx_to_maxsz(handle, t);
+ ph->xops->reset_rx_to_maxsz(ph, t);
} while (loop_num_ret);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
@@ -209,7 +212,7 @@ static int scmi_base_implementation_list_get(const struct scmi_handle *handle,
/**
* scmi_base_discover_agent_get() - discover the name of an agent
*
- * @handle: SCMI entity handle
+ * @ph: SCMI protocol handle
* @id: Agent identifier
* @name: Agent identifier ASCII string
*
@@ -218,63 +221,63 @@ static int scmi_base_implementation_list_get(const struct scmi_handle *handle,
*
* Return: 0 on success, else appropriate SCMI error.
*/
-static int scmi_base_discover_agent_get(const struct scmi_handle *handle,
+static int scmi_base_discover_agent_get(const struct scmi_protocol_handle *ph,
int id, char *name)
{
int ret;
struct scmi_xfer *t;
- ret = scmi_xfer_get_init(handle, BASE_DISCOVER_AGENT,
- SCMI_PROTOCOL_BASE, sizeof(__le32),
- SCMI_MAX_STR_SIZE, &t);
+ ret = ph->xops->xfer_get_init(ph, BASE_DISCOVER_AGENT,
+ sizeof(__le32), SCMI_MAX_STR_SIZE, &t);
if (ret)
return ret;
put_unaligned_le32(id, t->tx.buf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
strlcpy(name, t->rx.buf, SCMI_MAX_STR_SIZE);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_base_error_notify(const struct scmi_handle *handle, bool enable)
+static int scmi_base_error_notify(const struct scmi_protocol_handle *ph,
+ bool enable)
{
int ret;
u32 evt_cntl = enable ? BASE_TP_NOTIFY_ALL : 0;
struct scmi_xfer *t;
struct scmi_msg_base_error_notify *cfg;
- ret = scmi_xfer_get_init(handle, BASE_NOTIFY_ERRORS,
- SCMI_PROTOCOL_BASE, sizeof(*cfg), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, BASE_NOTIFY_ERRORS,
+ sizeof(*cfg), 0, &t);
if (ret)
return ret;
cfg = t->tx.buf;
cfg->event_control = cpu_to_le32(evt_cntl);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_base_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_base_set_notify_enabled(const struct scmi_protocol_handle *ph,
u8 evt_id, u32 src_id, bool enable)
{
int ret;
- ret = scmi_base_error_notify(handle, enable);
+ ret = scmi_base_error_notify(ph, enable);
if (ret)
pr_debug("FAIL_ENABLED - evt[%X] ret:%d\n", evt_id, ret);
return ret;
}
-static void *scmi_base_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_base_fill_custom_report(const struct scmi_protocol_handle *ph,
u8 evt_id, ktime_t timestamp,
const void *payld, size_t payld_sz,
void *report, u32 *src_id)
@@ -318,17 +321,24 @@ static const struct scmi_event_ops base_event_ops = {
.fill_custom_report = scmi_base_fill_custom_report,
};
-int scmi_base_protocol_init(struct scmi_handle *h)
+static const struct scmi_protocol_events base_protocol_events = {
+ .queue_sz = 4 * SCMI_PROTO_QUEUE_SZ,
+ .ops = &base_event_ops,
+ .evts = base_events,
+ .num_events = ARRAY_SIZE(base_events),
+ .num_sources = SCMI_BASE_NUM_SOURCES,
+};
+
+static int scmi_base_protocol_init(const struct scmi_protocol_handle *ph)
{
int id, ret;
u8 *prot_imp;
u32 version;
char name[SCMI_MAX_STR_SIZE];
- const struct scmi_handle *handle = h;
- struct device *dev = handle->dev;
- struct scmi_revision_info *rev = handle->version;
+ struct device *dev = ph->dev;
+ struct scmi_revision_info *rev = scmi_get_revision_area(ph);
- ret = scmi_version_get(handle, SCMI_PROTOCOL_BASE, &version);
+ ret = ph->xops->version_get(ph, &version);
if (ret)
return ret;
@@ -338,13 +348,15 @@ int scmi_base_protocol_init(struct scmi_handle *h)
rev->major_ver = PROTOCOL_REV_MAJOR(version),
rev->minor_ver = PROTOCOL_REV_MINOR(version);
+ ph->set_priv(ph, rev);
- scmi_base_attributes_get(handle);
- scmi_base_vendor_id_get(handle, false);
- scmi_base_vendor_id_get(handle, true);
- scmi_base_implementation_version_get(handle);
- scmi_base_implementation_list_get(handle, prot_imp);
- scmi_setup_protocol_implemented(handle, prot_imp);
+ scmi_base_attributes_get(ph);
+ scmi_base_vendor_id_get(ph, false);
+ scmi_base_vendor_id_get(ph, true);
+ scmi_base_implementation_version_get(ph);
+ scmi_base_implementation_list_get(ph, prot_imp);
+
+ scmi_setup_protocol_implemented(ph, prot_imp);
dev_info(dev, "SCMI Protocol v%d.%d '%s:%s' Firmware version 0x%x\n",
rev->major_ver, rev->minor_ver, rev->vendor_id,
@@ -352,16 +364,20 @@ int scmi_base_protocol_init(struct scmi_handle *h)
dev_dbg(dev, "Found %d protocol(s) %d agent(s)\n", rev->num_protocols,
rev->num_agents);
- scmi_register_protocol_events(handle, SCMI_PROTOCOL_BASE,
- (4 * SCMI_PROTO_QUEUE_SZ),
- &base_event_ops, base_events,
- ARRAY_SIZE(base_events),
- SCMI_BASE_NUM_SOURCES);
-
for (id = 0; id < rev->num_agents; id++) {
- scmi_base_discover_agent_get(handle, id, name);
+ scmi_base_discover_agent_get(ph, id, name);
dev_dbg(dev, "Agent %d: %s\n", id, name);
}
return 0;
}
+
+static const struct scmi_protocol scmi_base = {
+ .id = SCMI_PROTOCOL_BASE,
+ .owner = NULL,
+ .init_instance = &scmi_base_protocol_init,
+ .ops = NULL,
+ .events = &base_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(base, scmi_base)
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c
index def8a84..10234e0 100644
--- a/drivers/firmware/arm_scmi/bus.c
+++ b/drivers/firmware/arm_scmi/bus.c
@@ -16,7 +16,7 @@
#include "common.h"
static DEFINE_IDA(scmi_bus_id);
-static DEFINE_IDR(scmi_protocols);
+static DEFINE_IDR(scmi_available_protocols);
static DEFINE_SPINLOCK(protocol_lock);
static const struct scmi_device_id *
@@ -51,18 +51,53 @@ static int scmi_dev_match(struct device *dev, struct device_driver *drv)
return 0;
}
-static int scmi_protocol_init(int protocol_id, struct scmi_handle *handle)
+static int scmi_match_by_id_table(struct device *dev, void *data)
{
- scmi_prot_init_fn_t fn = idr_find(&scmi_protocols, protocol_id);
+ struct scmi_device *sdev = to_scmi_dev(dev);
+ struct scmi_device_id *id_table = data;
- if (unlikely(!fn))
- return -EINVAL;
- return fn(handle);
+ return sdev->protocol_id == id_table->protocol_id &&
+ !strcmp(sdev->name, id_table->name);
}
-static int scmi_protocol_dummy_init(struct scmi_handle *handle)
+struct scmi_device *scmi_find_child_dev(struct device *parent,
+ int prot_id, const char *name)
{
- return 0;
+ struct scmi_device_id id_table;
+ struct device *dev;
+
+ id_table.protocol_id = prot_id;
+ id_table.name = name;
+
+ dev = device_find_child(parent, &id_table, scmi_match_by_id_table);
+ if (!dev)
+ return NULL;
+
+ return to_scmi_dev(dev);
+}
+
+const struct scmi_protocol *scmi_get_protocol(int protocol_id)
+{
+ const struct scmi_protocol *proto;
+
+ proto = idr_find(&scmi_available_protocols, protocol_id);
+ if (!proto || !try_module_get(proto->owner)) {
+ pr_warn("SCMI Protocol 0x%x not found!\n", protocol_id);
+ return NULL;
+ }
+
+ pr_debug("GOT SCMI Protocol 0x%x\n", protocol_id);
+
+ return proto;
+}
+
+void scmi_put_protocol(int protocol_id)
+{
+ const struct scmi_protocol *proto;
+
+ proto = idr_find(&scmi_available_protocols, protocol_id);
+ if (proto)
+ module_put(proto->owner);
}
static int scmi_dev_probe(struct device *dev)
@@ -70,7 +105,6 @@ static int scmi_dev_probe(struct device *dev)
struct scmi_driver *scmi_drv = to_scmi_driver(dev->driver);
struct scmi_device *scmi_dev = to_scmi_dev(dev);
const struct scmi_device_id *id;
- int ret;
id = scmi_dev_match_id(scmi_dev, scmi_drv);
if (!id)
@@ -79,14 +113,6 @@ static int scmi_dev_probe(struct device *dev)
if (!scmi_dev->handle)
return -EPROBE_DEFER;
- ret = scmi_protocol_init(scmi_dev->protocol_id, scmi_dev->handle);
- if (ret)
- return ret;
-
- /* Skip protocol initialisation for additional devices */
- idr_replace(&scmi_protocols, &scmi_protocol_dummy_init,
- scmi_dev->protocol_id);
-
return scmi_drv->probe(scmi_dev);
}
@@ -116,6 +142,10 @@ int scmi_driver_register(struct scmi_driver *driver, struct module *owner,
if (!driver->probe)
return -EINVAL;
+ retval = scmi_request_protocol_device(driver->id_table);
+ if (retval)
+ return retval;
+
driver->driver.bus = &scmi_bus_type;
driver->driver.name = driver->name;
driver->driver.owner = owner;
@@ -132,6 +162,7 @@ EXPORT_SYMBOL_GPL(scmi_driver_register);
void scmi_driver_unregister(struct scmi_driver *driver)
{
driver_unregister(&driver->driver);
+ scmi_unrequest_protocol_device(driver->id_table);
}
EXPORT_SYMBOL_GPL(scmi_driver_unregister);
@@ -197,26 +228,45 @@ void scmi_set_handle(struct scmi_device *scmi_dev)
scmi_dev->handle = scmi_handle_get(&scmi_dev->dev);
}
-int scmi_protocol_register(int protocol_id, scmi_prot_init_fn_t fn)
+int scmi_protocol_register(const struct scmi_protocol *proto)
{
int ret;
- spin_lock(&protocol_lock);
- ret = idr_alloc(&scmi_protocols, fn, protocol_id, protocol_id + 1,
- GFP_ATOMIC);
- spin_unlock(&protocol_lock);
- if (ret != protocol_id)
- pr_err("unable to allocate SCMI idr slot, err %d\n", ret);
+ if (!proto) {
+ pr_err("invalid protocol\n");
+ return -EINVAL;
+ }
- return ret;
+ if (!proto->init_instance) {
+ pr_err("missing .init() for protocol 0x%x\n", proto->id);
+ return -EINVAL;
+ }
+
+ spin_lock(&protocol_lock);
+ ret = idr_alloc(&scmi_available_protocols, (void *)proto,
+ proto->id, proto->id + 1, GFP_ATOMIC);
+ spin_unlock(&protocol_lock);
+ if (ret != proto->id) {
+ pr_err("unable to allocate SCMI idr slot for 0x%x - err %d\n",
+ proto->id, ret);
+ return ret;
+ }
+
+ pr_debug("Registered SCMI Protocol 0x%x\n", proto->id);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(scmi_protocol_register);
-void scmi_protocol_unregister(int protocol_id)
+void scmi_protocol_unregister(const struct scmi_protocol *proto)
{
spin_lock(&protocol_lock);
- idr_remove(&scmi_protocols, protocol_id);
+ idr_remove(&scmi_available_protocols, proto->id);
spin_unlock(&protocol_lock);
+
+ pr_debug("Unregistered SCMI Protocol 0x%x\n", proto->id);
+
+ return;
}
EXPORT_SYMBOL_GPL(scmi_protocol_unregister);
diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c
index 4645677..bd364d3 100644
--- a/drivers/firmware/arm_scmi/clock.c
+++ b/drivers/firmware/arm_scmi/clock.c
@@ -2,9 +2,10 @@
/*
* System Control and Management Interface (SCMI) Clock Protocol
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
+#include <linux/module.h>
#include <linux/sort.h>
#include "common.h"
@@ -74,52 +75,53 @@ struct clock_info {
struct scmi_clock_info *clk;
};
-static int scmi_clock_protocol_attributes_get(const struct scmi_handle *handle,
- struct clock_info *ci)
+static int
+scmi_clock_protocol_attributes_get(const struct scmi_protocol_handle *ph,
+ struct clock_info *ci)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_clock_protocol_attributes *attr;
- ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
- SCMI_PROTOCOL_CLOCK, 0, sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+ 0, sizeof(*attr), &t);
if (ret)
return ret;
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
ci->num_clocks = le16_to_cpu(attr->num_clocks);
ci->max_async_req = attr->max_async_req;
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_clock_attributes_get(const struct scmi_handle *handle,
+static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph,
u32 clk_id, struct scmi_clock_info *clk)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_clock_attributes *attr;
- ret = scmi_xfer_get_init(handle, CLOCK_ATTRIBUTES, SCMI_PROTOCOL_CLOCK,
- sizeof(clk_id), sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, CLOCK_ATTRIBUTES,
+ sizeof(clk_id), sizeof(*attr), &t);
if (ret)
return ret;
put_unaligned_le32(clk_id, t->tx.buf);
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
strlcpy(clk->name, attr->name, SCMI_MAX_STR_SIZE);
else
clk->name[0] = '\0';
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
@@ -136,7 +138,7 @@ static int rate_cmp_func(const void *_r1, const void *_r2)
}
static int
-scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
+scmi_clock_describe_rates_get(const struct scmi_protocol_handle *ph, u32 clk_id,
struct scmi_clock_info *clk)
{
u64 *rate = NULL;
@@ -148,8 +150,8 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
struct scmi_msg_clock_describe_rates *clk_desc;
struct scmi_msg_resp_clock_describe_rates *rlist;
- ret = scmi_xfer_get_init(handle, CLOCK_DESCRIBE_RATES,
- SCMI_PROTOCOL_CLOCK, sizeof(*clk_desc), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, CLOCK_DESCRIBE_RATES,
+ sizeof(*clk_desc), 0, &t);
if (ret)
return ret;
@@ -161,7 +163,7 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
/* Set the number of rates to be skipped/already read */
clk_desc->rate_index = cpu_to_le32(tot_rate_cnt);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (ret)
goto err;
@@ -171,7 +173,7 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
num_returned = NUM_RETURNED(rates_flag);
if (tot_rate_cnt + num_returned > SCMI_MAX_NUM_RATES) {
- dev_err(handle->dev, "No. of rates > MAX_NUM_RATES");
+ dev_err(ph->dev, "No. of rates > MAX_NUM_RATES");
break;
}
@@ -179,7 +181,7 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
clk->range.min_rate = RATE_TO_U64(rlist->rate[0]);
clk->range.max_rate = RATE_TO_U64(rlist->rate[1]);
clk->range.step_size = RATE_TO_U64(rlist->rate[2]);
- dev_dbg(handle->dev, "Min %llu Max %llu Step %llu Hz\n",
+ dev_dbg(ph->dev, "Min %llu Max %llu Step %llu Hz\n",
clk->range.min_rate, clk->range.max_rate,
clk->range.step_size);
break;
@@ -188,12 +190,12 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
rate = &clk->list.rates[tot_rate_cnt];
for (cnt = 0; cnt < num_returned; cnt++, rate++) {
*rate = RATE_TO_U64(rlist->rate[cnt]);
- dev_dbg(handle->dev, "Rate %llu Hz\n", *rate);
+ dev_dbg(ph->dev, "Rate %llu Hz\n", *rate);
}
tot_rate_cnt += num_returned;
- scmi_reset_rx_to_maxsz(handle, t);
+ ph->xops->reset_rx_to_maxsz(ph, t);
/*
* check for both returned and remaining to avoid infinite
* loop due to buggy firmware
@@ -208,42 +210,42 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
clk->rate_discrete = rate_discrete;
err:
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
static int
-scmi_clock_rate_get(const struct scmi_handle *handle, u32 clk_id, u64 *value)
+scmi_clock_rate_get(const struct scmi_protocol_handle *ph,
+ u32 clk_id, u64 *value)
{
int ret;
struct scmi_xfer *t;
- ret = scmi_xfer_get_init(handle, CLOCK_RATE_GET, SCMI_PROTOCOL_CLOCK,
- sizeof(__le32), sizeof(u64), &t);
+ ret = ph->xops->xfer_get_init(ph, CLOCK_RATE_GET,
+ sizeof(__le32), sizeof(u64), &t);
if (ret)
return ret;
put_unaligned_le32(clk_id, t->tx.buf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
*value = get_unaligned_le64(t->rx.buf);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_clock_rate_set(const struct scmi_handle *handle, u32 clk_id,
- u64 rate)
+static int scmi_clock_rate_set(const struct scmi_protocol_handle *ph,
+ u32 clk_id, u64 rate)
{
int ret;
u32 flags = 0;
struct scmi_xfer *t;
struct scmi_clock_set_rate *cfg;
- struct clock_info *ci = handle->clk_priv;
+ struct clock_info *ci = ph->get_priv(ph);
- ret = scmi_xfer_get_init(handle, CLOCK_RATE_SET, SCMI_PROTOCOL_CLOCK,
- sizeof(*cfg), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, CLOCK_RATE_SET, sizeof(*cfg), 0, &t);
if (ret)
return ret;
@@ -258,26 +260,27 @@ static int scmi_clock_rate_set(const struct scmi_handle *handle, u32 clk_id,
cfg->value_high = cpu_to_le32(rate >> 32);
if (flags & CLOCK_SET_ASYNC)
- ret = scmi_do_xfer_with_response(handle, t);
+ ret = ph->xops->do_xfer_with_response(ph, t);
else
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (ci->max_async_req)
atomic_dec(&ci->cur_async_req);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
static int
-scmi_clock_config_set(const struct scmi_handle *handle, u32 clk_id, u32 config)
+scmi_clock_config_set(const struct scmi_protocol_handle *ph, u32 clk_id,
+ u32 config)
{
int ret;
struct scmi_xfer *t;
struct scmi_clock_set_config *cfg;
- ret = scmi_xfer_get_init(handle, CLOCK_CONFIG_SET, SCMI_PROTOCOL_CLOCK,
- sizeof(*cfg), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, CLOCK_CONFIG_SET,
+ sizeof(*cfg), 0, &t);
if (ret)
return ret;
@@ -285,33 +288,33 @@ scmi_clock_config_set(const struct scmi_handle *handle, u32 clk_id, u32 config)
cfg->id = cpu_to_le32(clk_id);
cfg->attributes = cpu_to_le32(config);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_clock_enable(const struct scmi_handle *handle, u32 clk_id)
+static int scmi_clock_enable(const struct scmi_protocol_handle *ph, u32 clk_id)
{
- return scmi_clock_config_set(handle, clk_id, CLOCK_ENABLE);
+ return scmi_clock_config_set(ph, clk_id, CLOCK_ENABLE);
}
-static int scmi_clock_disable(const struct scmi_handle *handle, u32 clk_id)
+static int scmi_clock_disable(const struct scmi_protocol_handle *ph, u32 clk_id)
{
- return scmi_clock_config_set(handle, clk_id, 0);
+ return scmi_clock_config_set(ph, clk_id, 0);
}
-static int scmi_clock_count_get(const struct scmi_handle *handle)
+static int scmi_clock_count_get(const struct scmi_protocol_handle *ph)
{
- struct clock_info *ci = handle->clk_priv;
+ struct clock_info *ci = ph->get_priv(ph);
return ci->num_clocks;
}
static const struct scmi_clock_info *
-scmi_clock_info_get(const struct scmi_handle *handle, u32 clk_id)
+scmi_clock_info_get(const struct scmi_protocol_handle *ph, u32 clk_id)
{
- struct clock_info *ci = handle->clk_priv;
+ struct clock_info *ci = ph->get_priv(ph);
struct scmi_clock_info *clk = ci->clk + clk_id;
if (!clk->name[0])
@@ -320,7 +323,7 @@ scmi_clock_info_get(const struct scmi_handle *handle, u32 clk_id)
return clk;
}
-static const struct scmi_clk_ops clk_ops = {
+static const struct scmi_clk_proto_ops clk_proto_ops = {
.count_get = scmi_clock_count_get,
.info_get = scmi_clock_info_get,
.rate_get = scmi_clock_rate_get,
@@ -329,24 +332,24 @@ static const struct scmi_clk_ops clk_ops = {
.disable = scmi_clock_disable,
};
-static int scmi_clock_protocol_init(struct scmi_handle *handle)
+static int scmi_clock_protocol_init(const struct scmi_protocol_handle *ph)
{
u32 version;
int clkid, ret;
struct clock_info *cinfo;
- scmi_version_get(handle, SCMI_PROTOCOL_CLOCK, &version);
+ ph->xops->version_get(ph, &version);
- dev_dbg(handle->dev, "Clock Version %d.%d\n",
+ dev_dbg(ph->dev, "Clock Version %d.%d\n",
PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
- cinfo = devm_kzalloc(handle->dev, sizeof(*cinfo), GFP_KERNEL);
+ cinfo = devm_kzalloc(ph->dev, sizeof(*cinfo), GFP_KERNEL);
if (!cinfo)
return -ENOMEM;
- scmi_clock_protocol_attributes_get(handle, cinfo);
+ scmi_clock_protocol_attributes_get(ph, cinfo);
- cinfo->clk = devm_kcalloc(handle->dev, cinfo->num_clocks,
+ cinfo->clk = devm_kcalloc(ph->dev, cinfo->num_clocks,
sizeof(*cinfo->clk), GFP_KERNEL);
if (!cinfo->clk)
return -ENOMEM;
@@ -354,16 +357,20 @@ static int scmi_clock_protocol_init(struct scmi_handle *handle)
for (clkid = 0; clkid < cinfo->num_clocks; clkid++) {
struct scmi_clock_info *clk = cinfo->clk + clkid;
- ret = scmi_clock_attributes_get(handle, clkid, clk);
+ ret = scmi_clock_attributes_get(ph, clkid, clk);
if (!ret)
- scmi_clock_describe_rates_get(handle, clkid, clk);
+ scmi_clock_describe_rates_get(ph, clkid, clk);
}
cinfo->version = version;
- handle->clk_ops = &clk_ops;
- handle->clk_priv = cinfo;
-
- return 0;
+ return ph->set_priv(ph, cinfo);
}
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_CLOCK, clock)
+static const struct scmi_protocol scmi_clock = {
+ .id = SCMI_PROTOCOL_CLOCK,
+ .owner = THIS_MODULE,
+ .init_instance = &scmi_clock_protocol_init,
+ .ops = &clk_proto_ops,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(clock, scmi_clock)
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index 34b7ae7..9643665 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -14,11 +14,14 @@
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/scmi_protocol.h>
#include <linux/types.h>
#include <asm/unaligned.h>
+#include "notify.h"
+
#define PROTOCOL_REV_MINOR_MASK GENMASK(15, 0)
#define PROTOCOL_REV_MAJOR_MASK GENMASK(31, 16)
#define PROTOCOL_REV_MAJOR(x) (u16)(FIELD_GET(PROTOCOL_REV_MAJOR_MASK, (x)))
@@ -141,22 +144,92 @@ struct scmi_xfer {
struct completion *async_done;
};
-void scmi_xfer_put(const struct scmi_handle *h, struct scmi_xfer *xfer);
-int scmi_do_xfer(const struct scmi_handle *h, struct scmi_xfer *xfer);
-int scmi_do_xfer_with_response(const struct scmi_handle *h,
- struct scmi_xfer *xfer);
-int scmi_xfer_get_init(const struct scmi_handle *h, u8 msg_id, u8 prot_id,
- size_t tx_size, size_t rx_size, struct scmi_xfer **p);
-void scmi_reset_rx_to_maxsz(const struct scmi_handle *handle,
- struct scmi_xfer *xfer);
+struct scmi_xfer_ops;
+
+/**
+ * struct scmi_protocol_handle - Reference to an initialized protocol instance
+ *
+ * @dev: A reference to the associated SCMI instance device (handle->dev).
+ * @xops: A reference to a struct holding refs to the core xfer operations that
+ * can be used by the protocol implementation to generate SCMI messages.
+ * @set_priv: A method to set protocol private data for this instance.
+ * @get_priv: A method to get protocol private data previously set.
+ *
+ * This structure represents a protocol initialized against specific SCMI
+ * instance and it will be used as follows:
+ * - as a parameter fed from the core to the protocol initialization code so
+ * that it can access the core xfer operations to build and generate SCMI
+ * messages exclusively for the specific underlying protocol instance.
+ * - as an opaque handle fed by an SCMI driver user when it tries to access
+ * this protocol through its own protocol operations.
+ * In this case this handle will be returned as an opaque object together
+ * with the related protocol operations when the SCMI driver tries to access
+ * the protocol.
+ */
+struct scmi_protocol_handle {
+ struct device *dev;
+ const struct scmi_xfer_ops *xops;
+ int (*set_priv)(const struct scmi_protocol_handle *ph, void *priv);
+ void *(*get_priv)(const struct scmi_protocol_handle *ph);
+};
+
+/**
+ * struct scmi_xfer_ops - References to the core SCMI xfer operations.
+ * @version_get: Get this version protocol.
+ * @xfer_get_init: Initialize one struct xfer if any xfer slot is free.
+ * @reset_rx_to_maxsz: Reset rx size to max transport size.
+ * @do_xfer: Do the SCMI transfer.
+ * @do_xfer_with_response: Do the SCMI transfer waiting for a response.
+ * @xfer_put: Free the xfer slot.
+ *
+ * Note that all this operations expect a protocol handle as first parameter;
+ * they then internally use it to infer the underlying protocol number: this
+ * way is not possible for a protocol implementation to forge messages for
+ * another protocol.
+ */
+struct scmi_xfer_ops {
+ int (*version_get)(const struct scmi_protocol_handle *ph, u32 *version);
+ int (*xfer_get_init)(const struct scmi_protocol_handle *ph, u8 msg_id,
+ size_t tx_size, size_t rx_size,
+ struct scmi_xfer **p);
+ void (*reset_rx_to_maxsz)(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer);
+ int (*do_xfer)(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer);
+ int (*do_xfer_with_response)(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer);
+ void (*xfer_put)(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer);
+};
+
+struct scmi_revision_info *
+scmi_get_revision_area(const struct scmi_protocol_handle *ph);
int scmi_handle_put(const struct scmi_handle *handle);
struct scmi_handle *scmi_handle_get(struct device *dev);
void scmi_set_handle(struct scmi_device *scmi_dev);
-int scmi_version_get(const struct scmi_handle *h, u8 protocol, u32 *version);
-void scmi_setup_protocol_implemented(const struct scmi_handle *handle,
+void scmi_setup_protocol_implemented(const struct scmi_protocol_handle *ph,
u8 *prot_imp);
-int scmi_base_protocol_init(struct scmi_handle *h);
+typedef int (*scmi_prot_init_ph_fn_t)(const struct scmi_protocol_handle *);
+
+/**
+ * struct scmi_protocol - Protocol descriptor
+ * @id: Protocol ID.
+ * @owner: Module reference if any.
+ * @init_instance: Mandatory protocol initialization function.
+ * @deinit_instance: Optional protocol de-initialization function.
+ * @ops: Optional reference to the operations provided by the protocol and
+ * exposed in scmi_protocol.h.
+ * @events: An optional reference to the events supported by this protocol.
+ */
+struct scmi_protocol {
+ const u8 id;
+ struct module *owner;
+ const scmi_prot_init_ph_fn_t init_instance;
+ const scmi_prot_init_ph_fn_t deinit_instance;
+ const void *ops;
+ const struct scmi_protocol_events *events;
+};
int __init scmi_bus_init(void);
void __exit scmi_bus_exit(void);
@@ -164,24 +237,32 @@ void __exit scmi_bus_exit(void);
#define DECLARE_SCMI_REGISTER_UNREGISTER(func) \
int __init scmi_##func##_register(void); \
void __exit scmi_##func##_unregister(void)
+DECLARE_SCMI_REGISTER_UNREGISTER(base);
DECLARE_SCMI_REGISTER_UNREGISTER(clock);
DECLARE_SCMI_REGISTER_UNREGISTER(perf);
DECLARE_SCMI_REGISTER_UNREGISTER(power);
DECLARE_SCMI_REGISTER_UNREGISTER(reset);
DECLARE_SCMI_REGISTER_UNREGISTER(sensors);
+DECLARE_SCMI_REGISTER_UNREGISTER(voltage);
DECLARE_SCMI_REGISTER_UNREGISTER(system);
-#define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(id, name) \
+#define DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(name, proto) \
int __init scmi_##name##_register(void) \
{ \
- return scmi_protocol_register((id), &scmi_##name##_protocol_init); \
+ return scmi_protocol_register(&(proto)); \
} \
\
void __exit scmi_##name##_unregister(void) \
{ \
- scmi_protocol_unregister((id)); \
+ scmi_protocol_unregister(&(proto)); \
}
+const struct scmi_protocol *scmi_get_protocol(int protocol_id);
+void scmi_put_protocol(int protocol_id);
+
+int scmi_acquire_protocol(const struct scmi_handle *handle, u8 protocol_id);
+void scmi_release_protocol(const struct scmi_handle *handle, u8 protocol_id);
+
/* SCMI Transport */
/**
* struct scmi_chan_info - Structure representing a SCMI channel information
@@ -226,6 +307,11 @@ struct scmi_transport_ops {
bool (*poll_done)(struct scmi_chan_info *cinfo, struct scmi_xfer *xfer);
};
+int scmi_request_protocol_device(const struct scmi_device_id *id_table);
+void scmi_unrequest_protocol_device(const struct scmi_device_id *id_table);
+struct scmi_device *scmi_find_child_dev(struct device *parent,
+ int prot_id, const char *name);
+
/**
* struct scmi_desc - Description of SoC integration
*
@@ -264,4 +350,8 @@ void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem);
bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem,
struct scmi_xfer *xfer);
+void scmi_set_notification_instance_data(const struct scmi_handle *handle,
+ void *priv);
+void *scmi_get_notification_instance_data(const struct scmi_handle *handle);
+
#endif /* _SCMI_COMMON_H */
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 7632232..47ee994 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -11,18 +11,22 @@
* various power domain DVFS including the core/cluster, certain system
* clocks configuration, thermal sensors and many others.
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
#include <linux/bitmap.h>
+#include <linux/device.h>
#include <linux/export.h>
+#include <linux/idr.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/ktime.h>
+#include <linux/list.h>
#include <linux/module.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/processor.h>
+#include <linux/refcount.h>
#include <linux/slab.h>
#include "common.h"
@@ -30,6 +34,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/scmi.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/scmi.h>
enum scmi_error_codes {
SCMI_SUCCESS = 0, /* Success */
@@ -52,6 +58,14 @@ static DEFINE_MUTEX(scmi_list_mutex);
/* Track the unique id for the transfers for debug & profiling purpose */
static atomic_t transfer_last_id;
+static DEFINE_IDR(scmi_requested_devices);
+static DEFINE_MUTEX(scmi_requested_devices_mtx);
+
+struct scmi_requested_dev {
+ const struct scmi_device_id *id_table;
+ struct list_head node;
+};
+
/**
* struct scmi_xfers_info - Structure to manage transfer information
*
@@ -68,6 +82,30 @@ struct scmi_xfers_info {
};
/**
+ * struct scmi_protocol_instance - Describe an initialized protocol instance.
+ * @handle: Reference to the SCMI handle associated to this protocol instance.
+ * @proto: A reference to the protocol descriptor.
+ * @gid: A reference for per-protocol devres management.
+ * @users: A refcount to track effective users of this protocol.
+ * @priv: Reference for optional protocol private data.
+ * @ph: An embedded protocol handle that will be passed down to protocol
+ * initialization code to identify this instance.
+ *
+ * Each protocol is initialized independently once for each SCMI platform in
+ * which is defined by DT and implemented by the SCMI server fw.
+ */
+struct scmi_protocol_instance {
+ const struct scmi_handle *handle;
+ const struct scmi_protocol *proto;
+ void *gid;
+ refcount_t users;
+ void *priv;
+ struct scmi_protocol_handle ph;
+};
+
+#define ph_to_pi(h) container_of(h, struct scmi_protocol_instance, ph)
+
+/**
* struct scmi_info - Structure representing a SCMI instance
*
* @dev: Device pointer
@@ -79,8 +117,15 @@ struct scmi_xfers_info {
* @rx_minfo: Universal Receive Message management info
* @tx_idr: IDR object to map protocol id to Tx channel info pointer
* @rx_idr: IDR object to map protocol id to Rx channel info pointer
+ * @protocols: IDR for protocols' instance descriptors initialized for
+ * this SCMI instance: populated on protocol's first attempted
+ * usage.
+ * @protocols_mtx: A mutex to protect protocols instances initialization.
* @protocols_imp: List of protocols implemented, currently maximum of
* MAX_PROTOCOLS_IMP elements allocated by the base protocol
+ * @active_protocols: IDR storing device_nodes for protocols actually defined
+ * in the DT and confirmed as implemented by fw.
+ * @notify_priv: Pointer to private data structure specific to notifications.
* @node: List head
* @users: Number of users of this instance
*/
@@ -93,7 +138,12 @@ struct scmi_info {
struct scmi_xfers_info rx_minfo;
struct idr tx_idr;
struct idr rx_idr;
+ struct idr protocols;
+ /* Ensure mutual exclusive access to protocols instance array */
+ struct mutex protocols_mtx;
u8 *protocols_imp;
+ struct idr active_protocols;
+ void *notify_priv;
struct list_head node;
int users;
};
@@ -137,6 +187,25 @@ static inline void scmi_dump_header_dbg(struct device *dev,
hdr->id, hdr->seq, hdr->protocol_id);
}
+void scmi_set_notification_instance_data(const struct scmi_handle *handle,
+ void *priv)
+{
+ struct scmi_info *info = handle_to_scmi_info(handle);
+
+ info->notify_priv = priv;
+ /* Ensure updated protocol private date are visible */
+ smp_wmb();
+}
+
+void *scmi_get_notification_instance_data(const struct scmi_handle *handle)
+{
+ struct scmi_info *info = handle_to_scmi_info(handle);
+
+ /* Ensure protocols_private_data has been updated */
+ smp_rmb();
+ return info->notify_priv;
+}
+
/**
* scmi_xfer_get() - Allocate one message
*
@@ -321,14 +390,16 @@ void scmi_rx_callback(struct scmi_chan_info *cinfo, u32 msg_hdr)
}
/**
- * scmi_xfer_put() - Release a transmit message
+ * xfer_put() - Release a transmit message
*
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
* @xfer: message that was reserved by scmi_xfer_get
*/
-void scmi_xfer_put(const struct scmi_handle *handle, struct scmi_xfer *xfer)
+static void xfer_put(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer)
{
- struct scmi_info *info = handle_to_scmi_info(handle);
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+ struct scmi_info *info = handle_to_scmi_info(pi->handle);
__scmi_xfer_put(&info->tx_minfo, xfer);
}
@@ -345,23 +416,32 @@ static bool scmi_xfer_done_no_timeout(struct scmi_chan_info *cinfo,
}
/**
- * scmi_do_xfer() - Do one transfer
+ * do_xfer() - Do one transfer
*
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
* @xfer: Transfer to initiate and wait for response
*
* Return: -ETIMEDOUT in case of no response, if transmit error,
* return corresponding error, else if all goes well,
* return 0.
*/
-int scmi_do_xfer(const struct scmi_handle *handle, struct scmi_xfer *xfer)
+static int do_xfer(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer)
{
int ret;
int timeout;
- struct scmi_info *info = handle_to_scmi_info(handle);
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+ struct scmi_info *info = handle_to_scmi_info(pi->handle);
struct device *dev = info->dev;
struct scmi_chan_info *cinfo;
+ /*
+ * Re-instate protocol id here from protocol handle so that cannot be
+ * overridden by mistake (or malice) by the protocol code mangling with
+ * the scmi_xfer structure.
+ */
+ xfer->hdr.protocol_id = pi->proto->id;
+
cinfo = idr_find(&info->tx_idr, xfer->hdr.protocol_id);
if (unlikely(!cinfo))
return -EINVAL;
@@ -388,6 +468,7 @@ int scmi_do_xfer(const struct scmi_handle *handle, struct scmi_xfer *xfer)
} else {
/* And we wait for the response. */
timeout = msecs_to_jiffies(info->desc->max_rx_timeout_ms);
+ trace_android_vh_scmi_timeout_sync(&timeout);
if (!wait_for_completion_timeout(&xfer->done, timeout)) {
dev_err(dev, "timed out in resp(caller: %pS)\n",
(void *)_RET_IP_);
@@ -407,10 +488,11 @@ int scmi_do_xfer(const struct scmi_handle *handle, struct scmi_xfer *xfer)
return ret;
}
-void scmi_reset_rx_to_maxsz(const struct scmi_handle *handle,
- struct scmi_xfer *xfer)
+static void reset_rx_to_maxsz(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer)
{
- struct scmi_info *info = handle_to_scmi_info(handle);
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+ struct scmi_info *info = handle_to_scmi_info(pi->handle);
xfer->rx.len = info->desc->max_msg_size;
}
@@ -418,24 +500,27 @@ void scmi_reset_rx_to_maxsz(const struct scmi_handle *handle,
#define SCMI_MAX_RESPONSE_TIMEOUT (2 * MSEC_PER_SEC)
/**
- * scmi_do_xfer_with_response() - Do one transfer and wait until the delayed
+ * do_xfer_with_response() - Do one transfer and wait until the delayed
* response is received
*
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
* @xfer: Transfer to initiate and wait for response
*
* Return: -ETIMEDOUT in case of no delayed response, if transmit error,
* return corresponding error, else if all goes well, return 0.
*/
-int scmi_do_xfer_with_response(const struct scmi_handle *handle,
- struct scmi_xfer *xfer)
+static int do_xfer_with_response(const struct scmi_protocol_handle *ph,
+ struct scmi_xfer *xfer)
{
int ret, timeout = msecs_to_jiffies(SCMI_MAX_RESPONSE_TIMEOUT);
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
DECLARE_COMPLETION_ONSTACK(async_response);
+ xfer->hdr.protocol_id = pi->proto->id;
+
xfer->async_done = &async_response;
- ret = scmi_do_xfer(handle, xfer);
+ ret = do_xfer(ph, xfer);
if (!ret) {
if (!wait_for_completion_timeout(xfer->async_done, timeout))
ret = -ETIMEDOUT;
@@ -448,11 +533,10 @@ int scmi_do_xfer_with_response(const struct scmi_handle *handle,
}
/**
- * scmi_xfer_get_init() - Allocate and initialise one message for transmit
+ * xfer_get_init() - Allocate and initialise one message for transmit
*
- * @handle: Pointer to SCMI entity handle
+ * @ph: Pointer to SCMI protocol handle
* @msg_id: Message identifier
- * @prot_id: Protocol identifier for the message
* @tx_size: transmit message size
* @rx_size: receive message size
* @p: pointer to the allocated and initialised message
@@ -463,12 +547,14 @@ int scmi_do_xfer_with_response(const struct scmi_handle *handle,
* Return: 0 if all went fine with @p pointing to message, else
* corresponding error.
*/
-int scmi_xfer_get_init(const struct scmi_handle *handle, u8 msg_id, u8 prot_id,
- size_t tx_size, size_t rx_size, struct scmi_xfer **p)
+static int xfer_get_init(const struct scmi_protocol_handle *ph,
+ u8 msg_id, size_t tx_size, size_t rx_size,
+ struct scmi_xfer **p)
{
int ret;
struct scmi_xfer *xfer;
- struct scmi_info *info = handle_to_scmi_info(handle);
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+ struct scmi_info *info = handle_to_scmi_info(pi->handle);
struct scmi_xfers_info *minfo = &info->tx_minfo;
struct device *dev = info->dev;
@@ -477,7 +563,7 @@ int scmi_xfer_get_init(const struct scmi_handle *handle, u8 msg_id, u8 prot_id,
tx_size > info->desc->max_msg_size)
return -ERANGE;
- xfer = scmi_xfer_get(handle, minfo);
+ xfer = scmi_xfer_get(pi->handle, minfo);
if (IS_ERR(xfer)) {
ret = PTR_ERR(xfer);
dev_err(dev, "failed to get free message slot(%d)\n", ret);
@@ -487,7 +573,7 @@ int scmi_xfer_get_init(const struct scmi_handle *handle, u8 msg_id, u8 prot_id,
xfer->tx.len = tx_size;
xfer->rx.len = rx_size ? : info->desc->max_msg_size;
xfer->hdr.id = msg_id;
- xfer->hdr.protocol_id = prot_id;
+ xfer->hdr.protocol_id = pi->proto->id;
xfer->hdr.poll_completion = false;
*p = xfer;
@@ -496,42 +582,237 @@ int scmi_xfer_get_init(const struct scmi_handle *handle, u8 msg_id, u8 prot_id,
}
/**
- * scmi_version_get() - command to get the revision of the SCMI entity
+ * version_get() - command to get the revision of the SCMI entity
*
- * @handle: Pointer to SCMI entity handle
- * @protocol: Protocol identifier for the message
+ * @ph: Pointer to SCMI protocol handle
* @version: Holds returned version of protocol.
*
* Updates the SCMI information in the internal data structure.
*
* Return: 0 if all went fine, else return appropriate error.
*/
-int scmi_version_get(const struct scmi_handle *handle, u8 protocol,
- u32 *version)
+static int version_get(const struct scmi_protocol_handle *ph, u32 *version)
{
int ret;
__le32 *rev_info;
struct scmi_xfer *t;
- ret = scmi_xfer_get_init(handle, PROTOCOL_VERSION, protocol, 0,
- sizeof(*version), &t);
+ ret = xfer_get_init(ph, PROTOCOL_VERSION, 0, sizeof(*version), &t);
if (ret)
return ret;
- ret = scmi_do_xfer(handle, t);
+ ret = do_xfer(ph, t);
if (!ret) {
rev_info = t->rx.buf;
*version = le32_to_cpu(*rev_info);
}
- scmi_xfer_put(handle, t);
+ xfer_put(ph, t);
return ret;
}
-void scmi_setup_protocol_implemented(const struct scmi_handle *handle,
- u8 *prot_imp)
+/**
+ * scmi_set_protocol_priv - Set protocol specific data at init time
+ *
+ * @ph: A reference to the protocol handle.
+ * @priv: The private data to set.
+ *
+ * Return: 0 on Success
+ */
+static int scmi_set_protocol_priv(const struct scmi_protocol_handle *ph,
+ void *priv)
+{
+ struct scmi_protocol_instance *pi = ph_to_pi(ph);
+
+ pi->priv = priv;
+
+ return 0;
+}
+
+/**
+ * scmi_get_protocol_priv - Set protocol specific data at init time
+ *
+ * @ph: A reference to the protocol handle.
+ *
+ * Return: Protocol private data if any was set.
+ */
+static void *scmi_get_protocol_priv(const struct scmi_protocol_handle *ph)
+{
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+
+ return pi->priv;
+}
+
+static const struct scmi_xfer_ops xfer_ops = {
+ .version_get = version_get,
+ .xfer_get_init = xfer_get_init,
+ .reset_rx_to_maxsz = reset_rx_to_maxsz,
+ .do_xfer = do_xfer,
+ .do_xfer_with_response = do_xfer_with_response,
+ .xfer_put = xfer_put,
+};
+
+/**
+ * scmi_get_revision_area - Retrieve version memory area.
+ *
+ * @ph: A reference to the protocol handle.
+ *
+ * A helper to grab the version memory area reference during SCMI Base protocol
+ * initialization.
+ *
+ * Return: A reference to the version memory area associated to the SCMI
+ * instance underlying this protocol handle.
+ */
+struct scmi_revision_info *
+scmi_get_revision_area(const struct scmi_protocol_handle *ph)
+{
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+
+ return pi->handle->version;
+}
+
+/**
+ * scmi_get_protocol_instance - Protocol initialization helper.
+ * @handle: A reference to the SCMI platform instance.
+ * @protocol_id: The protocol being requested.
+ *
+ * In case the required protocol has never been requested before for this
+ * instance, allocate and initialize all the needed structures while handling
+ * resource allocation with a dedicated per-protocol devres subgroup.
+ *
+ * Return: A reference to an initialized protocol instance or error on failure.
+ */
+static struct scmi_protocol_instance * __must_check
+scmi_get_protocol_instance(const struct scmi_handle *handle, u8 protocol_id)
+{
+ int ret = -ENOMEM;
+ void *gid;
+ struct scmi_protocol_instance *pi;
+ struct scmi_info *info = handle_to_scmi_info(handle);
+
+ mutex_lock(&info->protocols_mtx);
+ pi = idr_find(&info->protocols, protocol_id);
+
+ if (pi) {
+ refcount_inc(&pi->users);
+ } else {
+ const struct scmi_protocol *proto;
+
+ /* Fail if protocol not registered on bus */
+ proto = scmi_get_protocol(protocol_id);
+ if (!proto) {
+ ret = -EPROBE_DEFER;
+ goto out;
+ }
+
+ /* Protocol specific devres group */
+ gid = devres_open_group(handle->dev, NULL, GFP_KERNEL);
+ if (!gid)
+ goto out;
+
+ pi = devm_kzalloc(handle->dev, sizeof(*pi), GFP_KERNEL);
+ if (!pi)
+ goto clean;
+
+ pi->gid = gid;
+ pi->proto = proto;
+ pi->handle = handle;
+ pi->ph.dev = handle->dev;
+ pi->ph.xops = &xfer_ops;
+ pi->ph.set_priv = scmi_set_protocol_priv;
+ pi->ph.get_priv = scmi_get_protocol_priv;
+ refcount_set(&pi->users, 1);
+ /* proto->init is assured NON NULL by scmi_protocol_register */
+ ret = pi->proto->init_instance(&pi->ph);
+ if (ret)
+ goto clean;
+
+ ret = idr_alloc(&info->protocols, pi,
+ protocol_id, protocol_id + 1, GFP_KERNEL);
+ if (ret != protocol_id)
+ goto clean;
+
+ if (pi->proto->events)
+ scmi_register_protocol_events(handle, pi->proto->id,
+ &pi->ph,
+ pi->proto->events);
+
+ devres_close_group(handle->dev, pi->gid);
+ dev_dbg(handle->dev, "Initialized protocol: 0x%X\n",
+ protocol_id);
+ }
+ mutex_unlock(&info->protocols_mtx);
+
+ return pi;
+
+clean:
+ scmi_put_protocol(protocol_id);
+ devres_release_group(handle->dev, gid);
+out:
+ mutex_unlock(&info->protocols_mtx);
+ return ERR_PTR(ret);
+}
+
+/**
+ * scmi_acquire_protocol - Protocol acquire
+ * @handle: A reference to the SCMI platform instance.
+ * @protocol_id: The protocol being requested.
+ *
+ * Register a new user for the requested protocol on the specified SCMI
+ * platform instance, possibly triggering its initialization on first user.
+ *
+ * Return: 0 if protocol was acquired successfully.
+ */
+int scmi_acquire_protocol(const struct scmi_handle *handle, u8 protocol_id)
+{
+ return PTR_ERR_OR_ZERO(scmi_get_protocol_instance(handle, protocol_id));
+}
+
+/**
+ * scmi_release_protocol - Protocol de-initialization helper.
+ * @handle: A reference to the SCMI platform instance.
+ * @protocol_id: The protocol being requested.
+ *
+ * Remove one user for the specified protocol and triggers de-initialization
+ * and resources de-allocation once the last user has gone.
+ */
+void scmi_release_protocol(const struct scmi_handle *handle, u8 protocol_id)
{
struct scmi_info *info = handle_to_scmi_info(handle);
+ struct scmi_protocol_instance *pi;
+
+ mutex_lock(&info->protocols_mtx);
+ pi = idr_find(&info->protocols, protocol_id);
+ if (WARN_ON(!pi))
+ goto out;
+
+ if (refcount_dec_and_test(&pi->users)) {
+ void *gid = pi->gid;
+
+ if (pi->proto->events)
+ scmi_deregister_protocol_events(handle, protocol_id);
+
+ if (pi->proto->deinit_instance)
+ pi->proto->deinit_instance(&pi->ph);
+
+ idr_remove(&info->protocols, protocol_id);
+
+ scmi_put_protocol(protocol_id);
+
+ devres_release_group(handle->dev, gid);
+ dev_dbg(handle->dev, "De-Initialized protocol: 0x%X\n",
+ protocol_id);
+ }
+
+out:
+ mutex_unlock(&info->protocols_mtx);
+}
+
+void scmi_setup_protocol_implemented(const struct scmi_protocol_handle *ph,
+ u8 *prot_imp)
+{
+ const struct scmi_protocol_instance *pi = ph_to_pi(ph);
+ struct scmi_info *info = handle_to_scmi_info(pi->handle);
info->protocols_imp = prot_imp;
}
@@ -551,6 +832,141 @@ scmi_is_protocol_implemented(const struct scmi_handle *handle, u8 prot_id)
return false;
}
+struct scmi_protocol_devres {
+ const struct scmi_handle *handle;
+ u8 protocol_id;
+};
+
+static void scmi_devm_release_protocol(struct device *dev, void *res)
+{
+ struct scmi_protocol_devres *dres = res;
+
+ scmi_release_protocol(dres->handle, dres->protocol_id);
+}
+
+static struct scmi_protocol_instance __must_check *
+__scmi_devres_get_protocol_instance(struct scmi_device *sdev, u8 protocol_id)
+{
+ struct scmi_protocol_devres *dres;
+ struct scmi_protocol_instance *pi;
+
+ dres = devres_alloc(scmi_devm_release_protocol,
+ sizeof(*dres), GFP_KERNEL);
+ if (!dres)
+ return ERR_PTR(-ENOMEM);
+
+ pi = scmi_get_protocol_instance(sdev->handle, protocol_id);
+ if (IS_ERR(pi)) {
+ devres_free(dres);
+ return pi;
+ }
+
+ dres->handle = sdev->handle;
+ dres->protocol_id = protocol_id;
+ devres_add(&sdev->dev, dres);
+
+ return pi;
+}
+
+/**
+ * scmi_devm_get_protocol - Devres managed get protocol operations and handle
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ * be used for devres accounting.
+ * @protocol_id: The protocol being requested.
+ * @ph: A pointer reference used to pass back the associated protocol handle.
+ *
+ * Get hold of a protocol accounting for its usage, eventually triggering its
+ * initialization, and returning the protocol specific operations and related
+ * protocol handle which will be used as first argument in most of the
+ * protocols operations methods.
+ * Being a devres based managed method, protocol hold will be automatically
+ * released, and possibly de-initialized on last user, once the SCMI driver
+ * owning the scmi_device is unbound from it.
+ *
+ * Return: A reference to the requested protocol operations or error.
+ * Must be checked for errors by caller.
+ */
+static const void __must_check *
+scmi_devm_get_protocol(struct scmi_device *sdev, u8 protocol_id,
+ struct scmi_protocol_handle **ph)
+{
+ struct scmi_protocol_instance *pi;
+
+ if (!ph)
+ return ERR_PTR(-EINVAL);
+
+ pi = __scmi_devres_get_protocol_instance(sdev, protocol_id);
+ if (IS_ERR(pi))
+ return pi;
+
+ *ph = &pi->ph;
+
+ return pi->proto->ops;
+}
+
+/**
+ * scmi_devm_acquire_protocol - Devres managed helper to get hold of a protocol
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ * be used for devres accounting.
+ * @protocol_id: The protocol being requested.
+ *
+ * Get hold of a protocol accounting for its usage, possibly triggering its
+ * initialization but without getting access to its protocol specific operations
+ * and handle.
+ *
+ * Being a devres based managed method, protocol hold will be automatically
+ * released, and possibly de-initialized on last user, once the SCMI driver
+ * owning the scmi_device is unbound from it.
+ *
+ * Return: 0 on SUCCESS
+ */
+static int __must_check scmi_devm_acquire_protocol(struct scmi_device *sdev,
+ u8 protocol_id)
+{
+ struct scmi_protocol_instance *pi;
+
+ pi = __scmi_devres_get_protocol_instance(sdev, protocol_id);
+ if (IS_ERR(pi))
+ return PTR_ERR(pi);
+
+ return 0;
+}
+
+static int scmi_devm_protocol_match(struct device *dev, void *res, void *data)
+{
+ struct scmi_protocol_devres *dres = res;
+
+ if (WARN_ON(!dres || !data))
+ return 0;
+
+ return dres->protocol_id == *((u8 *)data);
+}
+
+/**
+ * scmi_devm_put_protocol - Devres managed put protocol operations and handle
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ * be used for devres accounting.
+ * @protocol_id: The protocol being requested.
+ *
+ * Explicitly release a protocol hold previously obtained calling the above
+ * @scmi_devm_get_protocol_ops.
+ */
+static void scmi_devm_put_protocol(struct scmi_device *sdev, u8 protocol_id)
+{
+ int ret;
+
+ ret = devres_release(&sdev->dev, scmi_devm_release_protocol,
+ scmi_devm_protocol_match, &protocol_id);
+ WARN_ON(ret);
+}
+
+static inline
+struct scmi_handle *scmi_handle_get_from_info(struct scmi_info *info)
+{
+ info->users++;
+ return &info->handle;
+}
+
/**
* scmi_handle_get() - Get the SCMI handle for a device
*
@@ -572,8 +988,7 @@ struct scmi_handle *scmi_handle_get(struct device *dev)
list_for_each(p, &scmi_list) {
info = list_entry(p, struct scmi_info, node);
if (dev->parent == info->dev) {
- handle = &info->handle;
- info->users++;
+ handle = scmi_handle_get_from_info(info);
break;
}
}
@@ -717,62 +1132,282 @@ scmi_txrx_setup(struct scmi_info *info, struct device *dev, int prot_id)
return ret;
}
+/**
+ * scmi_get_protocol_device - Helper to get/create an SCMI device.
+ *
+ * @np: A device node representing a valid active protocols for the referred
+ * SCMI instance.
+ * @info: The referred SCMI instance for which we are getting/creating this
+ * device.
+ * @prot_id: The protocol ID.
+ * @name: The device name.
+ *
+ * Referring to the specific SCMI instance identified by @info, this helper
+ * takes care to return a properly initialized device matching the requested
+ * @proto_id and @name: if device was still not existent it is created as a
+ * child of the specified SCMI instance @info and its transport properly
+ * initialized as usual.
+ */
+static inline struct scmi_device *
+scmi_get_protocol_device(struct device_node *np, struct scmi_info *info,
+ int prot_id, const char *name)
+{
+ struct scmi_device *sdev;
+
+ /* Already created for this parent SCMI instance ? */
+ sdev = scmi_find_child_dev(info->dev, prot_id, name);
+ if (sdev)
+ return sdev;
+
+ pr_debug("Creating SCMI device (%s) for protocol %x\n", name, prot_id);
+
+ sdev = scmi_device_create(np, info->dev, prot_id, name);
+ if (!sdev) {
+ dev_err(info->dev, "failed to create %d protocol device\n",
+ prot_id);
+ return NULL;
+ }
+
+ if (scmi_txrx_setup(info, &sdev->dev, prot_id)) {
+ dev_err(&sdev->dev, "failed to setup transport\n");
+ scmi_device_destroy(sdev);
+ return NULL;
+ }
+
+ return sdev;
+}
+
static inline void
scmi_create_protocol_device(struct device_node *np, struct scmi_info *info,
int prot_id, const char *name)
{
struct scmi_device *sdev;
- sdev = scmi_device_create(np, info->dev, prot_id, name);
- if (!sdev) {
- dev_err(info->dev, "failed to create %d protocol device\n",
- prot_id);
+ sdev = scmi_get_protocol_device(np, info, prot_id, name);
+ if (!sdev)
return;
- }
-
- if (scmi_txrx_setup(info, &sdev->dev, prot_id)) {
- dev_err(&sdev->dev, "failed to setup transport\n");
- scmi_device_destroy(sdev);
- return;
- }
/* setup handle now as the transport is ready */
scmi_set_handle(sdev);
}
-#define MAX_SCMI_DEV_PER_PROTOCOL 2
-struct scmi_prot_devnames {
- int protocol_id;
- char *names[MAX_SCMI_DEV_PER_PROTOCOL];
-};
-
-static struct scmi_prot_devnames devnames[] = {
- { SCMI_PROTOCOL_POWER, { "genpd" },},
- { SCMI_PROTOCOL_SYSTEM, { "syspower" },},
- { SCMI_PROTOCOL_PERF, { "cpufreq" },},
- { SCMI_PROTOCOL_CLOCK, { "clocks" },},
- { SCMI_PROTOCOL_SENSOR, { "hwmon" },},
- { SCMI_PROTOCOL_RESET, { "reset" },},
-};
-
-static inline void
-scmi_create_protocol_devices(struct device_node *np, struct scmi_info *info,
- int prot_id)
+/**
+ * scmi_create_protocol_devices - Create devices for all pending requests for
+ * this SCMI instance.
+ *
+ * @np: The device node describing the protocol
+ * @info: The SCMI instance descriptor
+ * @prot_id: The protocol ID
+ *
+ * All devices previously requested for this instance (if any) are found and
+ * created by scanning the proper @&scmi_requested_devices entry.
+ */
+static void scmi_create_protocol_devices(struct device_node *np,
+ struct scmi_info *info, int prot_id)
{
- int loop, cnt;
+ struct list_head *phead;
- for (loop = 0; loop < ARRAY_SIZE(devnames); loop++) {
- if (devnames[loop].protocol_id != prot_id)
- continue;
+ mutex_lock(&scmi_requested_devices_mtx);
+ phead = idr_find(&scmi_requested_devices, prot_id);
+ if (phead) {
+ struct scmi_requested_dev *rdev;
- for (cnt = 0; cnt < ARRAY_SIZE(devnames[loop].names); cnt++) {
- const char *name = devnames[loop].names[cnt];
+ list_for_each_entry(rdev, phead, node)
+ scmi_create_protocol_device(np, info, prot_id,
+ rdev->id_table->name);
+ }
+ mutex_unlock(&scmi_requested_devices_mtx);
+}
- if (name)
- scmi_create_protocol_device(np, info, prot_id,
- name);
+/**
+ * scmi_request_protocol_device - Helper to request a device
+ *
+ * @id_table: A protocol/name pair descriptor for the device to be created.
+ *
+ * This helper let an SCMI driver request specific devices identified by the
+ * @id_table to be created for each active SCMI instance.
+ *
+ * The requested device name MUST NOT be already existent for any protocol;
+ * at first the freshly requested @id_table is annotated in the IDR table
+ * @scmi_requested_devices, then a matching device is created for each already
+ * active SCMI instance. (if any)
+ *
+ * This way the requested device is created straight-away for all the already
+ * initialized(probed) SCMI instances (handles) and it remains also annotated
+ * as pending creation if the requesting SCMI driver was loaded before some
+ * SCMI instance and related transports were available: when such late instance
+ * is probed, its probe will take care to scan the list of pending requested
+ * devices and create those on its own (see @scmi_create_protocol_devices and
+ * its enclosing loop)
+ *
+ * Return: 0 on Success
+ */
+int scmi_request_protocol_device(const struct scmi_device_id *id_table)
+{
+ int ret = 0;
+ unsigned int id = 0;
+ struct list_head *head, *phead = NULL;
+ struct scmi_requested_dev *rdev;
+ struct scmi_info *info;
+
+ pr_debug("Requesting SCMI device (%s) for protocol %x\n",
+ id_table->name, id_table->protocol_id);
+
+ /*
+ * Search for the matching protocol rdev list and then search
+ * of any existent equally named device...fails if any duplicate found.
+ */
+ mutex_lock(&scmi_requested_devices_mtx);
+ idr_for_each_entry(&scmi_requested_devices, head, id) {
+ if (!phead) {
+ /* A list found registered in the IDR is never empty */
+ rdev = list_first_entry(head, struct scmi_requested_dev,
+ node);
+ if (rdev->id_table->protocol_id ==
+ id_table->protocol_id)
+ phead = head;
+ }
+ list_for_each_entry(rdev, head, node) {
+ if (!strcmp(rdev->id_table->name, id_table->name)) {
+ pr_err("Ignoring duplicate request [%d] %s\n",
+ rdev->id_table->protocol_id,
+ rdev->id_table->name);
+ ret = -EINVAL;
+ goto out;
+ }
}
}
+
+ /*
+ * No duplicate found for requested id_table, so let's create a new
+ * requested device entry for this new valid request.
+ */
+ rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
+ if (!rdev) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ rdev->id_table = id_table;
+
+ /*
+ * Append the new requested device table descriptor to the head of the
+ * related protocol list, eventually creating such head if not already
+ * there.
+ */
+ if (!phead) {
+ phead = kzalloc(sizeof(*phead), GFP_KERNEL);
+ if (!phead) {
+ kfree(rdev);
+ ret = -ENOMEM;
+ goto out;
+ }
+ INIT_LIST_HEAD(phead);
+
+ ret = idr_alloc(&scmi_requested_devices, (void *)phead,
+ id_table->protocol_id,
+ id_table->protocol_id + 1, GFP_KERNEL);
+ if (ret != id_table->protocol_id) {
+ pr_err("Failed to save SCMI device - ret:%d\n", ret);
+ kfree(rdev);
+ kfree(phead);
+ ret = -EINVAL;
+ goto out;
+ }
+ ret = 0;
+ }
+ list_add(&rdev->node, phead);
+
+ /*
+ * Now effectively create and initialize the requested device for every
+ * already initialized SCMI instance which has registered the requested
+ * protocol as a valid active one: i.e. defined in DT and supported by
+ * current platform FW.
+ */
+ mutex_lock(&scmi_list_mutex);
+ list_for_each_entry(info, &scmi_list, node) {
+ struct device_node *child;
+
+ child = idr_find(&info->active_protocols,
+ id_table->protocol_id);
+ if (child) {
+ struct scmi_device *sdev;
+
+ sdev = scmi_get_protocol_device(child, info,
+ id_table->protocol_id,
+ id_table->name);
+ /* Set handle if not already set: device existed */
+ if (sdev && !sdev->handle)
+ sdev->handle = scmi_handle_get_from_info(info);
+ } else {
+ dev_err(info->dev,
+ "Failed. SCMI protocol %d not active.\n",
+ id_table->protocol_id);
+ }
+ }
+ mutex_unlock(&scmi_list_mutex);
+
+out:
+ mutex_unlock(&scmi_requested_devices_mtx);
+
+ return ret;
+}
+
+/**
+ * scmi_unrequest_protocol_device - Helper to unrequest a device
+ *
+ * @id_table: A protocol/name pair descriptor for the device to be unrequested.
+ *
+ * An helper to let an SCMI driver release its request about devices; note that
+ * devices are created and initialized once the first SCMI driver request them
+ * but they destroyed only on SCMI core unloading/unbinding.
+ *
+ * The current SCMI transport layer uses such devices as internal references and
+ * as such they could be shared as same transport between multiple drivers so
+ * that cannot be safely destroyed till the whole SCMI stack is removed.
+ * (unless adding further burden of refcounting.)
+ */
+void scmi_unrequest_protocol_device(const struct scmi_device_id *id_table)
+{
+ struct list_head *phead;
+
+ pr_debug("Unrequesting SCMI device (%s) for protocol %x\n",
+ id_table->name, id_table->protocol_id);
+
+ mutex_lock(&scmi_requested_devices_mtx);
+ phead = idr_find(&scmi_requested_devices, id_table->protocol_id);
+ if (phead) {
+ struct scmi_requested_dev *victim, *tmp;
+
+ list_for_each_entry_safe(victim, tmp, phead, node) {
+ if (!strcmp(victim->id_table->name, id_table->name)) {
+ list_del(&victim->node);
+ kfree(victim);
+ break;
+ }
+ }
+
+ if (list_empty(phead)) {
+ idr_remove(&scmi_requested_devices,
+ id_table->protocol_id);
+ kfree(phead);
+ }
+ }
+ mutex_unlock(&scmi_requested_devices_mtx);
+}
+
+static int scmi_cleanup_txrx_channels(struct scmi_info *info)
+{
+ int ret;
+ struct idr *idr = &info->tx_idr;
+
+ ret = idr_for_each(idr, info->desc->ops->chan_free, idr);
+ idr_destroy(&info->tx_idr);
+
+ idr = &info->rx_idr;
+ ret = idr_for_each(idr, info->desc->ops->chan_free, idr);
+ idr_destroy(&info->rx_idr);
+
+ return ret;
}
static int scmi_probe(struct platform_device *pdev)
@@ -795,6 +1430,9 @@ static int scmi_probe(struct platform_device *pdev)
info->dev = dev;
info->desc = desc;
INIT_LIST_HEAD(&info->node);
+ idr_init(&info->protocols);
+ mutex_init(&info->protocols_mtx);
+ idr_init(&info->active_protocols);
platform_set_drvdata(pdev, info);
idr_init(&info->tx_idr);
@@ -803,6 +1441,9 @@ static int scmi_probe(struct platform_device *pdev)
handle = &info->handle;
handle->dev = info->dev;
handle->version = &info->version;
+ handle->devm_acquire_protocol = scmi_devm_acquire_protocol;
+ handle->devm_get_protocol = scmi_devm_get_protocol;
+ handle->devm_put_protocol = scmi_devm_put_protocol;
ret = scmi_txrx_setup(info, dev, SCMI_PROTOCOL_BASE);
if (ret)
@@ -810,15 +1451,20 @@ static int scmi_probe(struct platform_device *pdev)
ret = scmi_xfer_info_init(info);
if (ret)
- return ret;
+ goto clear_txrx_setup;
if (scmi_notification_init(handle))
dev_err(dev, "SCMI Notifications NOT available.\n");
- ret = scmi_base_protocol_init(handle);
+ /*
+ * Trigger SCMI Base protocol initialization.
+ * It's mandatory and won't be ever released/deinit until the
+ * SCMI stack is shutdown/unloaded as a whole.
+ */
+ ret = scmi_acquire_protocol(handle, SCMI_PROTOCOL_BASE);
if (ret) {
- dev_err(dev, "unable to communicate with SCMI(%d)\n", ret);
- return ret;
+ dev_err(dev, "unable to communicate with SCMI\n");
+ goto notification_exit;
}
mutex_lock(&scmi_list_mutex);
@@ -840,10 +1486,29 @@ static int scmi_probe(struct platform_device *pdev)
continue;
}
+ /*
+ * Save this valid DT protocol descriptor amongst
+ * @active_protocols for this SCMI instance/
+ */
+ ret = idr_alloc(&info->active_protocols, child,
+ prot_id, prot_id + 1, GFP_KERNEL);
+ if (ret != prot_id) {
+ dev_err(dev, "SCMI protocol %d already activated. Skip\n",
+ prot_id);
+ continue;
+ }
+
+ of_node_get(child);
scmi_create_protocol_devices(child, info, prot_id);
}
return 0;
+
+notification_exit:
+ scmi_notification_exit(&info->handle);
+clear_txrx_setup:
+ scmi_cleanup_txrx_channels(info);
+ return ret;
}
void scmi_free_channel(struct scmi_chan_info *cinfo, struct idr *idr, int id)
@@ -853,9 +1518,9 @@ void scmi_free_channel(struct scmi_chan_info *cinfo, struct idr *idr, int id)
static int scmi_remove(struct platform_device *pdev)
{
- int ret = 0;
+ int ret = 0, id;
struct scmi_info *info = platform_get_drvdata(pdev);
- struct idr *idr = &info->tx_idr;
+ struct device_node *child;
mutex_lock(&scmi_list_mutex);
if (info->users)
@@ -869,15 +1534,16 @@ static int scmi_remove(struct platform_device *pdev)
scmi_notification_exit(&info->handle);
+ mutex_lock(&info->protocols_mtx);
+ idr_destroy(&info->protocols);
+ mutex_unlock(&info->protocols_mtx);
+
+ idr_for_each_entry(&info->active_protocols, child, id)
+ of_node_put(child);
+ idr_destroy(&info->active_protocols);
+
/* Safe to free channels since no more users */
- ret = idr_for_each(idr, info->desc->ops->chan_free, idr);
- idr_destroy(&info->tx_idr);
-
- idr = &info->rx_idr;
- ret = idr_for_each(idr, info->desc->ops->chan_free, idr);
- idr_destroy(&info->rx_idr);
-
- return ret;
+ return scmi_cleanup_txrx_channels(info);
}
static ssize_t protocol_version_show(struct device *dev,
@@ -953,11 +1619,14 @@ static int __init scmi_driver_init(void)
{
scmi_bus_init();
+ scmi_base_register();
+
scmi_clock_register();
scmi_perf_register();
scmi_power_register();
scmi_reset_register();
scmi_sensors_register();
+ scmi_voltage_register();
scmi_system_register();
return platform_driver_register(&scmi_driver);
@@ -966,15 +1635,18 @@ subsys_initcall(scmi_driver_init);
static void __exit scmi_driver_exit(void)
{
- scmi_bus_exit();
+ scmi_base_unregister();
scmi_clock_unregister();
scmi_perf_unregister();
scmi_power_unregister();
scmi_reset_unregister();
scmi_sensors_unregister();
+ scmi_voltage_unregister();
scmi_system_unregister();
+ scmi_bus_exit();
+
platform_driver_unregister(&scmi_driver);
}
module_exit(scmi_driver_exit);
diff --git a/drivers/firmware/arm_scmi/notify.c b/drivers/firmware/arm_scmi/notify.c
index 66196b2..3937425 100644
--- a/drivers/firmware/arm_scmi/notify.c
+++ b/drivers/firmware/arm_scmi/notify.c
@@ -91,6 +91,7 @@
#include <linux/types.h>
#include <linux/workqueue.h>
+#include "common.h"
#include "notify.h"
#define SCMI_MAX_PROTO 256
@@ -177,7 +178,7 @@
#define REVT_NOTIFY_SET_STATUS(revt, eid, sid, state) \
({ \
typeof(revt) r = revt; \
- r->proto->ops->set_notify_enabled(r->proto->ni->handle, \
+ r->proto->ops->set_notify_enabled(r->proto->ph, \
(eid), (sid), (state)); \
})
@@ -190,7 +191,7 @@
#define REVT_FILL_REPORT(revt, ...) \
({ \
typeof(revt) r = revt; \
- r->proto->ops->fill_custom_report(r->proto->ni->handle, \
+ r->proto->ops->fill_custom_report(r->proto->ph, \
__VA_ARGS__); \
})
@@ -278,6 +279,7 @@ struct scmi_registered_event;
* events' descriptors, whose fixed-size is determined at
* compile time.
* @registered_mtx: A mutex to protect @registered_events_handlers
+ * @ph: SCMI protocol handle reference
* @registered_events_handlers: An hashtable containing all events' handlers
* descriptors registered for this protocol
*
@@ -302,6 +304,7 @@ struct scmi_registered_events_desc {
struct scmi_registered_event **registered_events;
/* mutex to protect registered_events_handlers */
struct mutex registered_mtx;
+ const struct scmi_protocol_handle *ph;
DECLARE_HASHTABLE(registered_events_handlers, SCMI_REGISTERED_HASH_SZ);
};
@@ -368,7 +371,7 @@ static struct scmi_event_handler *
scmi_get_active_handler(struct scmi_notify_instance *ni, u32 evt_key);
static void scmi_put_active_handler(struct scmi_notify_instance *ni,
struct scmi_event_handler *hndl);
-static void scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
+static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
struct scmi_event_handler *hndl);
/**
@@ -579,11 +582,9 @@ int scmi_notify(const struct scmi_handle *handle, u8 proto_id, u8 evt_id,
struct scmi_event_header eh;
struct scmi_notify_instance *ni;
- /* Ensure notify_priv is updated */
- smp_rmb();
- if (!handle->notify_priv)
+ ni = scmi_get_notification_instance_data(handle);
+ if (!ni)
return 0;
- ni = handle->notify_priv;
r_evt = SCMI_GET_REVT(ni, proto_id, evt_id);
if (!r_evt)
@@ -732,14 +733,10 @@ scmi_allocate_registered_events_desc(struct scmi_notify_instance *ni,
/**
* scmi_register_protocol_events() - Register Protocol Events with the core
* @handle: The handle identifying the platform instance against which the
- * the protocol's events are registered
+ * protocol's events are registered
* @proto_id: Protocol ID
- * @queue_sz: Size in bytes of the associated queue to be allocated
- * @ops: Protocol specific event-related operations
- * @evt: Event descriptor array
- * @num_events: Number of events in @evt array
- * @num_sources: Number of possible sources for this protocol on this
- * platform.
+ * @ph: SCMI protocol handle.
+ * @ee: A structure describing the events supported by this protocol.
*
* Used by SCMI Protocols initialization code to register with the notification
* core the list of supported events and their descriptors: takes care to
@@ -748,40 +745,49 @@ scmi_allocate_registered_events_desc(struct scmi_notify_instance *ni,
*
* Return: 0 on Success
*/
-int scmi_register_protocol_events(const struct scmi_handle *handle,
- u8 proto_id, size_t queue_sz,
- const struct scmi_event_ops *ops,
- const struct scmi_event *evt, int num_events,
- int num_sources)
+int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
+ const struct scmi_protocol_handle *ph,
+ const struct scmi_protocol_events *ee)
{
int i;
+ unsigned int num_sources;
size_t payld_sz = 0;
struct scmi_registered_events_desc *pd;
struct scmi_notify_instance *ni;
+ const struct scmi_event *evt;
- if (!ops || !evt)
+ if (!ee || !ee->ops || !ee->evts || !ph ||
+ (!ee->num_sources && !ee->ops->get_num_sources))
return -EINVAL;
- /* Ensure notify_priv is updated */
- smp_rmb();
- if (!handle->notify_priv)
- return -ENOMEM;
- ni = handle->notify_priv;
-
- /* Attach to the notification main devres group */
- if (!devres_open_group(ni->handle->dev, ni->gid, GFP_KERNEL))
+ ni = scmi_get_notification_instance_data(handle);
+ if (!ni)
return -ENOMEM;
- for (i = 0; i < num_events; i++)
+ /* num_sources cannot be <= 0 */
+ if (ee->num_sources) {
+ num_sources = ee->num_sources;
+ } else {
+ int nsrc = ee->ops->get_num_sources(ph);
+
+ if (nsrc <= 0)
+ return -EINVAL;
+ num_sources = nsrc;
+ }
+
+ evt = ee->evts;
+ for (i = 0; i < ee->num_events; i++)
payld_sz = max_t(size_t, payld_sz, evt[i].max_payld_sz);
payld_sz += sizeof(struct scmi_event_header);
- pd = scmi_allocate_registered_events_desc(ni, proto_id, queue_sz,
- payld_sz, num_events, ops);
+ pd = scmi_allocate_registered_events_desc(ni, proto_id, ee->queue_sz,
+ payld_sz, ee->num_events,
+ ee->ops);
if (IS_ERR(pd))
goto err;
- for (i = 0; i < num_events; i++, evt++) {
+ pd->ph = ph;
+ for (i = 0; i < ee->num_events; i++, evt++) {
struct scmi_registered_event *r_evt;
r_evt = devm_kzalloc(ni->handle->dev, sizeof(*r_evt),
@@ -815,8 +821,6 @@ int scmi_register_protocol_events(const struct scmi_handle *handle,
/* Ensure protocols are updated */
smp_wmb();
- devres_close_group(ni->handle->dev, ni->gid);
-
/*
* Finalize any pending events' handler which could have been waiting
* for this protocol's events registration.
@@ -827,13 +831,38 @@ int scmi_register_protocol_events(const struct scmi_handle *handle,
err:
dev_warn(handle->dev, "Proto:%X - Registration Failed !\n", proto_id);
- /* A failing protocol registration does not trigger full failure */
- devres_close_group(ni->handle->dev, ni->gid);
return -ENOMEM;
}
/**
+ * scmi_deregister_protocol_events - Deregister protocol events with the core
+ * @handle: The handle identifying the platform instance against which the
+ * protocol's events are registered
+ * @proto_id: Protocol ID
+ */
+void scmi_deregister_protocol_events(const struct scmi_handle *handle,
+ u8 proto_id)
+{
+ struct scmi_notify_instance *ni;
+ struct scmi_registered_events_desc *pd;
+
+ ni = scmi_get_notification_instance_data(handle);
+ if (!ni)
+ return;
+
+ pd = ni->registered_protocols[proto_id];
+ if (!pd)
+ return;
+
+ ni->registered_protocols[proto_id] = NULL;
+ /* Ensure protocols are updated */
+ smp_wmb();
+
+ cancel_work_sync(&pd->equeue.notify_work);
+}
+
+/**
* scmi_allocate_event_handler() - Allocate Event handler
* @ni: A reference to the notification instance to use
* @evt_key: 32bit key uniquely bind to the event identified by the tuple
@@ -900,9 +929,21 @@ static inline int scmi_bind_event_handler(struct scmi_notify_instance *ni,
if (!r_evt)
return -EINVAL;
- /* Remove from pending and insert into registered */
+ /*
+ * Remove from pending and insert into registered while getting hold
+ * of protocol instance.
+ */
hash_del(&hndl->hash);
+ /*
+ * Acquire protocols only for NON pending handlers, so as NOT to trigger
+ * protocol initialization when a notifier is registered against a still
+ * not registered protocol, since it would make little sense to force init
+ * protocols for which still no SCMI driver user exists: they wouldn't
+ * emit any event anyway till some SCMI driver starts using it.
+ */
+ scmi_acquire_protocol(ni->handle, KEY_XTRACT_PROTO_ID(hndl->key));
hndl->r_evt = r_evt;
+
mutex_lock(&r_evt->proto->registered_mtx);
hash_add(r_evt->proto->registered_events_handlers,
&hndl->hash, hndl->key);
@@ -1193,41 +1234,65 @@ static int scmi_disable_events(struct scmi_event_handler *hndl)
* * unregister and free the handler itself
*
* Context: Assumes all the proper locking has been managed by the caller.
+ *
+ * Return: True if handler was freed (users dropped to zero)
*/
-static void scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
+static bool scmi_put_handler_unlocked(struct scmi_notify_instance *ni,
struct scmi_event_handler *hndl)
{
+ bool freed = false;
+
if (refcount_dec_and_test(&hndl->users)) {
if (!IS_HNDL_PENDING(hndl))
scmi_disable_events(hndl);
scmi_free_event_handler(hndl);
+ freed = true;
}
+
+ return freed;
}
static void scmi_put_handler(struct scmi_notify_instance *ni,
struct scmi_event_handler *hndl)
{
+ bool freed;
+ u8 protocol_id;
struct scmi_registered_event *r_evt = hndl->r_evt;
mutex_lock(&ni->pending_mtx);
- if (r_evt)
+ if (r_evt) {
+ protocol_id = r_evt->proto->id;
mutex_lock(&r_evt->proto->registered_mtx);
+ }
- scmi_put_handler_unlocked(ni, hndl);
+ freed = scmi_put_handler_unlocked(ni, hndl);
- if (r_evt)
+ if (r_evt) {
mutex_unlock(&r_evt->proto->registered_mtx);
+ /*
+ * Only registered handler acquired protocol; must be here
+ * released only AFTER unlocking registered_mtx, since
+ * releasing a protocol can trigger its de-initialization
+ * (ie. including r_evt and registered_mtx)
+ */
+ if (freed)
+ scmi_release_protocol(ni->handle, protocol_id);
+ }
mutex_unlock(&ni->pending_mtx);
}
static void scmi_put_active_handler(struct scmi_notify_instance *ni,
struct scmi_event_handler *hndl)
{
+ bool freed;
struct scmi_registered_event *r_evt = hndl->r_evt;
+ u8 protocol_id = r_evt->proto->id;
mutex_lock(&r_evt->proto->registered_mtx);
- scmi_put_handler_unlocked(ni, hndl);
+ freed = scmi_put_handler_unlocked(ni, hndl);
mutex_unlock(&r_evt->proto->registered_mtx);
+ if (freed)
+ scmi_release_protocol(ni->handle, protocol_id);
}
/**
@@ -1288,11 +1353,9 @@ static int scmi_register_notifier(const struct scmi_handle *handle,
struct scmi_event_handler *hndl;
struct scmi_notify_instance *ni;
- /* Ensure notify_priv is updated */
- smp_rmb();
- if (!handle->notify_priv)
+ ni = scmi_get_notification_instance_data(handle);
+ if (!ni)
return -ENODEV;
- ni = handle->notify_priv;
evt_key = MAKE_HASH_KEY(proto_id, evt_id,
src_id ? *src_id : SRC_ID_MASK);
@@ -1336,11 +1399,9 @@ static int scmi_unregister_notifier(const struct scmi_handle *handle,
struct scmi_event_handler *hndl;
struct scmi_notify_instance *ni;
- /* Ensure notify_priv is updated */
- smp_rmb();
- if (!handle->notify_priv)
+ ni = scmi_get_notification_instance_data(handle);
+ if (!ni)
return -ENODEV;
- ni = handle->notify_priv;
evt_key = MAKE_HASH_KEY(proto_id, evt_id,
src_id ? *src_id : SRC_ID_MASK);
@@ -1371,6 +1432,127 @@ static int scmi_unregister_notifier(const struct scmi_handle *handle,
return 0;
}
+struct scmi_notifier_devres {
+ const struct scmi_handle *handle;
+ u8 proto_id;
+ u8 evt_id;
+ u32 __src_id;
+ u32 *src_id;
+ struct notifier_block *nb;
+};
+
+static void scmi_devm_release_notifier(struct device *dev, void *res)
+{
+ struct scmi_notifier_devres *dres = res;
+
+ scmi_unregister_notifier(dres->handle, dres->proto_id, dres->evt_id,
+ dres->src_id, dres->nb);
+}
+
+/**
+ * scmi_devm_register_notifier() - Managed registration of a notifier_block
+ * for an event
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ * be used for devres accounting.
+ * @proto_id: Protocol ID
+ * @evt_id: Event ID
+ * @src_id: Source ID, when NULL register for events coming form ALL possible
+ * sources
+ * @nb: A standard notifier block to register for the specified event
+ *
+ * Generic devres managed helper to register a notifier_block against a
+ * protocol event.
+ */
+static int scmi_devm_register_notifier(struct scmi_device *sdev,
+ u8 proto_id, u8 evt_id, u32 *src_id,
+ struct notifier_block *nb)
+{
+ int ret;
+ struct scmi_notifier_devres *dres;
+
+ dres = devres_alloc(scmi_devm_release_notifier,
+ sizeof(*dres), GFP_KERNEL);
+ if (!dres)
+ return -ENOMEM;
+
+ ret = scmi_register_notifier(sdev->handle, proto_id,
+ evt_id, src_id, nb);
+ if (ret) {
+ devres_free(dres);
+ return ret;
+ }
+
+ dres->handle = sdev->handle;
+ dres->proto_id = proto_id;
+ dres->evt_id = evt_id;
+ dres->nb = nb;
+ if (src_id) {
+ dres->__src_id = *src_id;
+ dres->src_id = &dres->__src_id;
+ } else {
+ dres->src_id = NULL;
+ }
+ devres_add(&sdev->dev, dres);
+
+ return ret;
+}
+
+static int scmi_devm_notifier_match(struct device *dev, void *res, void *data)
+{
+ struct scmi_notifier_devres *dres = res;
+ struct scmi_notifier_devres *xres = data;
+
+ if (WARN_ON(!dres || !xres))
+ return 0;
+
+ return dres->proto_id == xres->proto_id &&
+ dres->evt_id == xres->evt_id &&
+ dres->nb == xres->nb &&
+ ((!dres->src_id && !xres->src_id) ||
+ (dres->src_id && xres->src_id &&
+ dres->__src_id == xres->__src_id));
+}
+
+/**
+ * scmi_devm_unregister_notifier() - Managed un-registration of a
+ * notifier_block for an event
+ * @sdev: A reference to an scmi_device whose embedded struct device is to
+ * be used for devres accounting.
+ * @proto_id: Protocol ID
+ * @evt_id: Event ID
+ * @src_id: Source ID, when NULL register for events coming form ALL possible
+ * sources
+ * @nb: A standard notifier block to register for the specified event
+ *
+ * Generic devres managed helper to explicitly un-register a notifier_block
+ * against a protocol event, which was previously registered using the above
+ * @scmi_devm_register_notifier.
+ */
+static int scmi_devm_unregister_notifier(struct scmi_device *sdev,
+ u8 proto_id, u8 evt_id, u32 *src_id,
+ struct notifier_block *nb)
+{
+ int ret;
+ struct scmi_notifier_devres dres;
+
+ dres.handle = sdev->handle;
+ dres.proto_id = proto_id;
+ dres.evt_id = evt_id;
+ if (src_id) {
+ dres.__src_id = *src_id;
+ dres.src_id = &dres.__src_id;
+ } else {
+ dres.src_id = NULL;
+ }
+
+ ret = devres_release(&sdev->dev, scmi_devm_release_notifier,
+ scmi_devm_notifier_match, &dres);
+
+ WARN_ON(ret);
+
+ return ret;
+}
+
/**
* scmi_protocols_late_init() - Worker for late initialization
* @work: The work item to use associated to the proper SCMI instance
@@ -1428,6 +1610,8 @@ static void scmi_protocols_late_init(struct work_struct *work)
* directly from an scmi_driver to register its own notifiers.
*/
static const struct scmi_notify_ops notify_ops = {
+ .devm_register_event_notifier = scmi_devm_register_notifier,
+ .devm_unregister_event_notifier = scmi_devm_unregister_notifier,
.register_event_notifier = scmi_register_notifier,
.unregister_event_notifier = scmi_unregister_notifier,
};
@@ -1490,8 +1674,8 @@ int scmi_notification_init(struct scmi_handle *handle)
INIT_WORK(&ni->init_work, scmi_protocols_late_init);
+ scmi_set_notification_instance_data(handle, ni);
handle->notify_ops = ¬ify_ops;
- handle->notify_priv = ni;
/* Ensure handle is up to date */
smp_wmb();
@@ -1503,7 +1687,7 @@ int scmi_notification_init(struct scmi_handle *handle)
err:
dev_warn(handle->dev, "Initialization Failed.\n");
- devres_release_group(handle->dev, NULL);
+ devres_release_group(handle->dev, gid);
return -ENOMEM;
}
@@ -1515,15 +1699,10 @@ void scmi_notification_exit(struct scmi_handle *handle)
{
struct scmi_notify_instance *ni;
- /* Ensure notify_priv is updated */
- smp_rmb();
- if (!handle->notify_priv)
+ ni = scmi_get_notification_instance_data(handle);
+ if (!ni)
return;
- ni = handle->notify_priv;
-
- handle->notify_priv = NULL;
- /* Ensure handle is up to date */
- smp_wmb();
+ scmi_set_notification_instance_data(handle, NULL);
/* Destroy while letting pending work complete */
destroy_workqueue(ni->notify_wq);
diff --git a/drivers/firmware/arm_scmi/notify.h b/drivers/firmware/arm_scmi/notify.h
index 3485f20..3915bcd 100644
--- a/drivers/firmware/arm_scmi/notify.h
+++ b/drivers/firmware/arm_scmi/notify.h
@@ -31,8 +31,12 @@ struct scmi_event {
size_t max_report_sz;
};
+struct scmi_protocol_handle;
+
/**
* struct scmi_event_ops - Protocol helpers called by the notification core.
+ * @get_num_sources: Returns the number of possible events' sources for this
+ * protocol
* @set_notify_enabled: Enable/disable the required evt_id/src_id notifications
* using the proper custom protocol commands.
* Return 0 on Success
@@ -46,22 +50,42 @@ struct scmi_event {
* process context.
*/
struct scmi_event_ops {
- int (*set_notify_enabled)(const struct scmi_handle *handle,
+ int (*get_num_sources)(const struct scmi_protocol_handle *ph);
+ int (*set_notify_enabled)(const struct scmi_protocol_handle *ph,
u8 evt_id, u32 src_id, bool enabled);
- void *(*fill_custom_report)(const struct scmi_handle *handle,
+ void *(*fill_custom_report)(const struct scmi_protocol_handle *ph,
u8 evt_id, ktime_t timestamp,
const void *payld, size_t payld_sz,
void *report, u32 *src_id);
};
+/**
+ * struct scmi_protocol_events - Per-protocol description of available events
+ * @queue_sz: Size in bytes of the per-protocol queue to use.
+ * @ops: Array of protocol-specific events operations.
+ * @evts: Array of supported protocol's events.
+ * @num_events: Number of supported protocol's events described in @evts.
+ * @num_sources: Number of protocol's sources, should be greater than 0; if not
+ * available at compile time, it will be provided at run-time via
+ * @get_num_sources.
+ */
+struct scmi_protocol_events {
+ size_t queue_sz;
+ const struct scmi_event_ops *ops;
+ const struct scmi_event *evts;
+ unsigned int num_events;
+ unsigned int num_sources;
+};
+
int scmi_notification_init(struct scmi_handle *handle);
void scmi_notification_exit(struct scmi_handle *handle);
-int scmi_register_protocol_events(const struct scmi_handle *handle,
- u8 proto_id, size_t queue_sz,
- const struct scmi_event_ops *ops,
- const struct scmi_event *evt, int num_events,
- int num_sources);
+struct scmi_protocol_handle;
+int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
+ const struct scmi_protocol_handle *ph,
+ const struct scmi_protocol_events *ee);
+void scmi_deregister_protocol_events(const struct scmi_handle *handle,
+ u8 proto_id);
int scmi_notify(const struct scmi_handle *handle, u8 proto_id, u8 evt_id,
const void *buf, size_t len, ktime_t ts);
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
index 82fb3ba..f914642 100644
--- a/drivers/firmware/arm_scmi/perf.c
+++ b/drivers/firmware/arm_scmi/perf.c
@@ -2,7 +2,7 @@
/*
* System Control and Management Interface (SCMI) Performance Protocol
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
#define pr_fmt(fmt) "SCMI Notifications PERF - " fmt
@@ -11,6 +11,7 @@
#include <linux/of.h>
#include <linux/io.h>
#include <linux/io-64-nonatomic-hi-lo.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_opp.h>
#include <linux/scmi_protocol.h>
@@ -175,21 +176,21 @@ static enum scmi_performance_protocol_cmd evt_2_cmd[] = {
PERF_NOTIFY_LEVEL,
};
-static int scmi_perf_attributes_get(const struct scmi_handle *handle,
+static int scmi_perf_attributes_get(const struct scmi_protocol_handle *ph,
struct scmi_perf_info *pi)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_perf_attributes *attr;
- ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
- SCMI_PROTOCOL_PERF, 0, sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0,
+ sizeof(*attr), &t);
if (ret)
return ret;
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
u16 flags = le16_to_cpu(attr->flags);
@@ -200,28 +201,27 @@ static int scmi_perf_attributes_get(const struct scmi_handle *handle,
pi->stats_size = le32_to_cpu(attr->stats_size);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
static int
-scmi_perf_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
- struct perf_dom_info *dom_info)
+scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph,
+ u32 domain, struct perf_dom_info *dom_info)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_perf_domain_attributes *attr;
- ret = scmi_xfer_get_init(handle, PERF_DOMAIN_ATTRIBUTES,
- SCMI_PROTOCOL_PERF, sizeof(domain),
- sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, PERF_DOMAIN_ATTRIBUTES,
+ sizeof(domain), sizeof(*attr), &t);
if (ret)
return ret;
put_unaligned_le32(domain, t->tx.buf);
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
u32 flags = le32_to_cpu(attr->flags);
@@ -245,7 +245,7 @@ scmi_perf_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
@@ -257,7 +257,7 @@ static int opp_cmp_func(const void *opp1, const void *opp2)
}
static int
-scmi_perf_describe_levels_get(const struct scmi_handle *handle, u32 domain,
+scmi_perf_describe_levels_get(const struct scmi_protocol_handle *ph, u32 domain,
struct perf_dom_info *perf_dom)
{
int ret, cnt;
@@ -268,8 +268,8 @@ scmi_perf_describe_levels_get(const struct scmi_handle *handle, u32 domain,
struct scmi_msg_perf_describe_levels *dom_info;
struct scmi_msg_resp_perf_describe_levels *level_info;
- ret = scmi_xfer_get_init(handle, PERF_DESCRIBE_LEVELS,
- SCMI_PROTOCOL_PERF, sizeof(*dom_info), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, PERF_DESCRIBE_LEVELS,
+ sizeof(*dom_info), 0, &t);
if (ret)
return ret;
@@ -281,14 +281,14 @@ scmi_perf_describe_levels_get(const struct scmi_handle *handle, u32 domain,
/* Set the number of OPPs to be skipped/already read */
dom_info->level_index = cpu_to_le32(tot_opp_cnt);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (ret)
break;
num_returned = le16_to_cpu(level_info->num_returned);
num_remaining = le16_to_cpu(level_info->num_remaining);
if (tot_opp_cnt + num_returned > MAX_OPPS) {
- dev_err(handle->dev, "No. of OPPs exceeded MAX_OPPS");
+ dev_err(ph->dev, "No. of OPPs exceeded MAX_OPPS");
break;
}
@@ -299,13 +299,13 @@ scmi_perf_describe_levels_get(const struct scmi_handle *handle, u32 domain,
opp->trans_latency_us = le16_to_cpu
(level_info->opp[cnt].transition_latency_us);
- dev_dbg(handle->dev, "Level %d Power %d Latency %dus\n",
+ dev_dbg(ph->dev, "Level %d Power %d Latency %dus\n",
opp->perf, opp->power, opp->trans_latency_us);
}
tot_opp_cnt += num_returned;
- scmi_reset_rx_to_maxsz(handle, t);
+ ph->xops->reset_rx_to_maxsz(ph, t);
/*
* check for both returned and remaining to avoid infinite
* loop due to buggy firmware
@@ -313,7 +313,7 @@ scmi_perf_describe_levels_get(const struct scmi_handle *handle, u32 domain,
} while (num_returned && num_remaining);
perf_dom->opp_count = tot_opp_cnt;
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
sort(perf_dom->opp, tot_opp_cnt, sizeof(*opp), opp_cmp_func, NULL);
return ret;
@@ -353,15 +353,15 @@ static void scmi_perf_fc_ring_db(struct scmi_fc_db_info *db)
#endif
}
-static int scmi_perf_mb_limits_set(const struct scmi_handle *handle, u32 domain,
- u32 max_perf, u32 min_perf)
+static int scmi_perf_mb_limits_set(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 max_perf, u32 min_perf)
{
int ret;
struct scmi_xfer *t;
struct scmi_perf_set_limits *limits;
- ret = scmi_xfer_get_init(handle, PERF_LIMITS_SET, SCMI_PROTOCOL_PERF,
- sizeof(*limits), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, PERF_LIMITS_SET,
+ sizeof(*limits), 0, &t);
if (ret)
return ret;
@@ -370,16 +370,16 @@ static int scmi_perf_mb_limits_set(const struct scmi_handle *handle, u32 domain,
limits->max_level = cpu_to_le32(max_perf);
limits->min_level = cpu_to_le32(min_perf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_perf_limits_set(const struct scmi_handle *handle, u32 domain,
- u32 max_perf, u32 min_perf)
+static int scmi_perf_limits_set(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 max_perf, u32 min_perf)
{
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
struct perf_dom_info *dom = pi->dom_info + domain;
if (dom->fc_info && dom->fc_info->limit_set_addr) {
@@ -389,24 +389,24 @@ static int scmi_perf_limits_set(const struct scmi_handle *handle, u32 domain,
return 0;
}
- return scmi_perf_mb_limits_set(handle, domain, max_perf, min_perf);
+ return scmi_perf_mb_limits_set(ph, domain, max_perf, min_perf);
}
-static int scmi_perf_mb_limits_get(const struct scmi_handle *handle, u32 domain,
- u32 *max_perf, u32 *min_perf)
+static int scmi_perf_mb_limits_get(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 *max_perf, u32 *min_perf)
{
int ret;
struct scmi_xfer *t;
struct scmi_perf_get_limits *limits;
- ret = scmi_xfer_get_init(handle, PERF_LIMITS_GET, SCMI_PROTOCOL_PERF,
- sizeof(__le32), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, PERF_LIMITS_GET,
+ sizeof(__le32), 0, &t);
if (ret)
return ret;
put_unaligned_le32(domain, t->tx.buf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
limits = t->rx.buf;
@@ -414,14 +414,14 @@ static int scmi_perf_mb_limits_get(const struct scmi_handle *handle, u32 domain,
*min_perf = le32_to_cpu(limits->min_level);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_perf_limits_get(const struct scmi_handle *handle, u32 domain,
- u32 *max_perf, u32 *min_perf)
+static int scmi_perf_limits_get(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 *max_perf, u32 *min_perf)
{
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
struct perf_dom_info *dom = pi->dom_info + domain;
if (dom->fc_info && dom->fc_info->limit_get_addr) {
@@ -430,18 +430,17 @@ static int scmi_perf_limits_get(const struct scmi_handle *handle, u32 domain,
return 0;
}
- return scmi_perf_mb_limits_get(handle, domain, max_perf, min_perf);
+ return scmi_perf_mb_limits_get(ph, domain, max_perf, min_perf);
}
-static int scmi_perf_mb_level_set(const struct scmi_handle *handle, u32 domain,
- u32 level, bool poll)
+static int scmi_perf_mb_level_set(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 level, bool poll)
{
int ret;
struct scmi_xfer *t;
struct scmi_perf_set_level *lvl;
- ret = scmi_xfer_get_init(handle, PERF_LEVEL_SET, SCMI_PROTOCOL_PERF,
- sizeof(*lvl), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, PERF_LEVEL_SET, sizeof(*lvl), 0, &t);
if (ret)
return ret;
@@ -450,16 +449,16 @@ static int scmi_perf_mb_level_set(const struct scmi_handle *handle, u32 domain,
lvl->domain = cpu_to_le32(domain);
lvl->level = cpu_to_le32(level);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_perf_level_set(const struct scmi_handle *handle, u32 domain,
- u32 level, bool poll)
+static int scmi_perf_level_set(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 level, bool poll)
{
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
struct perf_dom_info *dom = pi->dom_info + domain;
if (dom->fc_info && dom->fc_info->level_set_addr) {
@@ -468,35 +467,35 @@ static int scmi_perf_level_set(const struct scmi_handle *handle, u32 domain,
return 0;
}
- return scmi_perf_mb_level_set(handle, domain, level, poll);
+ return scmi_perf_mb_level_set(ph, domain, level, poll);
}
-static int scmi_perf_mb_level_get(const struct scmi_handle *handle, u32 domain,
- u32 *level, bool poll)
+static int scmi_perf_mb_level_get(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 *level, bool poll)
{
int ret;
struct scmi_xfer *t;
- ret = scmi_xfer_get_init(handle, PERF_LEVEL_GET, SCMI_PROTOCOL_PERF,
- sizeof(u32), sizeof(u32), &t);
+ ret = ph->xops->xfer_get_init(ph, PERF_LEVEL_GET,
+ sizeof(u32), sizeof(u32), &t);
if (ret)
return ret;
t->hdr.poll_completion = poll;
put_unaligned_le32(domain, t->tx.buf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
*level = get_unaligned_le32(t->rx.buf);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_perf_level_get(const struct scmi_handle *handle, u32 domain,
- u32 *level, bool poll)
+static int scmi_perf_level_get(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 *level, bool poll)
{
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
struct perf_dom_info *dom = pi->dom_info + domain;
if (dom->fc_info && dom->fc_info->level_get_addr) {
@@ -504,10 +503,10 @@ static int scmi_perf_level_get(const struct scmi_handle *handle, u32 domain,
return 0;
}
- return scmi_perf_mb_level_get(handle, domain, level, poll);
+ return scmi_perf_mb_level_get(ph, domain, level, poll);
}
-static int scmi_perf_level_limits_notify(const struct scmi_handle *handle,
+static int scmi_perf_level_limits_notify(const struct scmi_protocol_handle *ph,
u32 domain, int message_id,
bool enable)
{
@@ -515,8 +514,7 @@ static int scmi_perf_level_limits_notify(const struct scmi_handle *handle,
struct scmi_xfer *t;
struct scmi_perf_notify_level_or_limits *notify;
- ret = scmi_xfer_get_init(handle, message_id, SCMI_PROTOCOL_PERF,
- sizeof(*notify), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, message_id, sizeof(*notify), 0, &t);
if (ret)
return ret;
@@ -524,9 +522,9 @@ static int scmi_perf_level_limits_notify(const struct scmi_handle *handle,
notify->domain = cpu_to_le32(domain);
notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
@@ -540,7 +538,7 @@ static bool scmi_perf_fc_size_is_valid(u32 msg, u32 size)
}
static void
-scmi_perf_domain_desc_fc(const struct scmi_handle *handle, u32 domain,
+scmi_perf_domain_desc_fc(const struct scmi_protocol_handle *ph, u32 domain,
u32 message_id, void __iomem **p_addr,
struct scmi_fc_db_info **p_db)
{
@@ -557,9 +555,8 @@ scmi_perf_domain_desc_fc(const struct scmi_handle *handle, u32 domain,
if (!p_addr)
return;
- ret = scmi_xfer_get_init(handle, PERF_DESCRIBE_FASTCHANNEL,
- SCMI_PROTOCOL_PERF,
- sizeof(*info), sizeof(*resp), &t);
+ ret = ph->xops->xfer_get_init(ph, PERF_DESCRIBE_FASTCHANNEL,
+ sizeof(*info), sizeof(*resp), &t);
if (ret)
return;
@@ -567,7 +564,7 @@ scmi_perf_domain_desc_fc(const struct scmi_handle *handle, u32 domain,
info->domain = cpu_to_le32(domain);
info->message_id = cpu_to_le32(message_id);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (ret)
goto err_xfer;
@@ -579,20 +576,20 @@ scmi_perf_domain_desc_fc(const struct scmi_handle *handle, u32 domain,
phys_addr = le32_to_cpu(resp->chan_addr_low);
phys_addr |= (u64)le32_to_cpu(resp->chan_addr_high) << 32;
- addr = devm_ioremap(handle->dev, phys_addr, size);
+ addr = devm_ioremap(ph->dev, phys_addr, size);
if (!addr)
goto err_xfer;
*p_addr = addr;
if (p_db && SUPPORTS_DOORBELL(flags)) {
- db = devm_kzalloc(handle->dev, sizeof(*db), GFP_KERNEL);
+ db = devm_kzalloc(ph->dev, sizeof(*db), GFP_KERNEL);
if (!db)
goto err_xfer;
size = 1 << DOORBELL_REG_WIDTH(flags);
phys_addr = le32_to_cpu(resp->db_addr_low);
phys_addr |= (u64)le32_to_cpu(resp->db_addr_high) << 32;
- addr = devm_ioremap(handle->dev, phys_addr, size);
+ addr = devm_ioremap(ph->dev, phys_addr, size);
if (!addr)
goto err_xfer;
@@ -605,25 +602,25 @@ scmi_perf_domain_desc_fc(const struct scmi_handle *handle, u32 domain,
*p_db = db;
}
err_xfer:
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
}
-static void scmi_perf_domain_init_fc(const struct scmi_handle *handle,
+static void scmi_perf_domain_init_fc(const struct scmi_protocol_handle *ph,
u32 domain, struct scmi_fc_info **p_fc)
{
struct scmi_fc_info *fc;
- fc = devm_kzalloc(handle->dev, sizeof(*fc), GFP_KERNEL);
+ fc = devm_kzalloc(ph->dev, sizeof(*fc), GFP_KERNEL);
if (!fc)
return;
- scmi_perf_domain_desc_fc(handle, domain, PERF_LEVEL_SET,
+ scmi_perf_domain_desc_fc(ph, domain, PERF_LEVEL_SET,
&fc->level_set_addr, &fc->level_set_db);
- scmi_perf_domain_desc_fc(handle, domain, PERF_LEVEL_GET,
+ scmi_perf_domain_desc_fc(ph, domain, PERF_LEVEL_GET,
&fc->level_get_addr, NULL);
- scmi_perf_domain_desc_fc(handle, domain, PERF_LIMITS_SET,
+ scmi_perf_domain_desc_fc(ph, domain, PERF_LIMITS_SET,
&fc->limit_set_addr, &fc->limit_set_db);
- scmi_perf_domain_desc_fc(handle, domain, PERF_LIMITS_GET,
+ scmi_perf_domain_desc_fc(ph, domain, PERF_LIMITS_GET,
&fc->limit_get_addr, NULL);
*p_fc = fc;
}
@@ -640,14 +637,14 @@ static int scmi_dev_domain_id(struct device *dev)
return clkspec.args[0];
}
-static int scmi_dvfs_device_opps_add(const struct scmi_handle *handle,
+static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph,
struct device *dev)
{
int idx, ret, domain;
unsigned long freq;
struct scmi_opp *opp;
struct perf_dom_info *dom;
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
domain = scmi_dev_domain_id(dev);
if (domain < 0)
@@ -672,11 +669,12 @@ static int scmi_dvfs_device_opps_add(const struct scmi_handle *handle,
return 0;
}
-static int scmi_dvfs_transition_latency_get(const struct scmi_handle *handle,
- struct device *dev)
+static int
+scmi_dvfs_transition_latency_get(const struct scmi_protocol_handle *ph,
+ struct device *dev)
{
struct perf_dom_info *dom;
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
int domain = scmi_dev_domain_id(dev);
if (domain < 0)
@@ -687,35 +685,35 @@ static int scmi_dvfs_transition_latency_get(const struct scmi_handle *handle,
return dom->opp[dom->opp_count - 1].trans_latency_us * 1000;
}
-static int scmi_dvfs_freq_set(const struct scmi_handle *handle, u32 domain,
+static int scmi_dvfs_freq_set(const struct scmi_protocol_handle *ph, u32 domain,
unsigned long freq, bool poll)
{
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
struct perf_dom_info *dom = pi->dom_info + domain;
- return scmi_perf_level_set(handle, domain, freq / dom->mult_factor,
- poll);
+ return scmi_perf_level_set(ph, domain, freq / dom->mult_factor, poll);
}
-static int scmi_dvfs_freq_get(const struct scmi_handle *handle, u32 domain,
+static int scmi_dvfs_freq_get(const struct scmi_protocol_handle *ph, u32 domain,
unsigned long *freq, bool poll)
{
int ret;
u32 level;
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
struct perf_dom_info *dom = pi->dom_info + domain;
- ret = scmi_perf_level_get(handle, domain, &level, poll);
+ ret = scmi_perf_level_get(ph, domain, &level, poll);
if (!ret)
*freq = level * dom->mult_factor;
return ret;
}
-static int scmi_dvfs_est_power_get(const struct scmi_handle *handle, u32 domain,
- unsigned long *freq, unsigned long *power)
+static int scmi_dvfs_est_power_get(const struct scmi_protocol_handle *ph,
+ u32 domain, unsigned long *freq,
+ unsigned long *power)
{
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
struct perf_dom_info *dom;
unsigned long opp_freq;
int idx, ret = -EINVAL;
@@ -739,18 +737,25 @@ static int scmi_dvfs_est_power_get(const struct scmi_handle *handle, u32 domain,
return ret;
}
-static bool scmi_fast_switch_possible(const struct scmi_handle *handle,
+static bool scmi_fast_switch_possible(const struct scmi_protocol_handle *ph,
struct device *dev)
{
struct perf_dom_info *dom;
- struct scmi_perf_info *pi = handle->perf_priv;
+ struct scmi_perf_info *pi = ph->get_priv(ph);
dom = pi->dom_info + scmi_dev_domain_id(dev);
return dom->fc_info && dom->fc_info->level_set_addr;
}
-static const struct scmi_perf_ops perf_ops = {
+static bool scmi_power_scale_mw_get(const struct scmi_protocol_handle *ph)
+{
+ struct scmi_perf_info *pi = ph->get_priv(ph);
+
+ return pi->power_scale_mw;
+}
+
+static const struct scmi_perf_proto_ops perf_proto_ops = {
.limits_set = scmi_perf_limits_set,
.limits_get = scmi_perf_limits_get,
.level_set = scmi_perf_level_set,
@@ -762,9 +767,10 @@ static const struct scmi_perf_ops perf_ops = {
.freq_get = scmi_dvfs_freq_get,
.est_power_get = scmi_dvfs_est_power_get,
.fast_switch_possible = scmi_fast_switch_possible,
+ .power_scale_mw_get = scmi_power_scale_mw_get,
};
-static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_perf_set_notify_enabled(const struct scmi_protocol_handle *ph,
u8 evt_id, u32 src_id, bool enable)
{
int ret, cmd_id;
@@ -773,7 +779,7 @@ static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle,
return -EINVAL;
cmd_id = evt_2_cmd[evt_id];
- ret = scmi_perf_level_limits_notify(handle, src_id, cmd_id, enable);
+ ret = scmi_perf_level_limits_notify(ph, src_id, cmd_id, enable);
if (ret)
pr_debug("FAIL_ENABLED - evt[%X] dom[%d] - ret:%d\n",
evt_id, src_id, ret);
@@ -781,7 +787,7 @@ static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle,
return ret;
}
-static void *scmi_perf_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_perf_fill_custom_report(const struct scmi_protocol_handle *ph,
u8 evt_id, ktime_t timestamp,
const void *payld, size_t payld_sz,
void *report, u32 *src_id)
@@ -829,6 +835,16 @@ static void *scmi_perf_fill_custom_report(const struct scmi_handle *handle,
return rep;
}
+static int scmi_perf_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+ struct scmi_perf_info *pi = ph->get_priv(ph);
+
+ if (!pi)
+ return -EINVAL;
+
+ return pi->num_domains;
+}
+
static const struct scmi_event perf_events[] = {
{
.id = SCMI_EVENT_PERFORMANCE_LIMITS_CHANGED,
@@ -843,28 +859,36 @@ static const struct scmi_event perf_events[] = {
};
static const struct scmi_event_ops perf_event_ops = {
+ .get_num_sources = scmi_perf_get_num_sources,
.set_notify_enabled = scmi_perf_set_notify_enabled,
.fill_custom_report = scmi_perf_fill_custom_report,
};
-static int scmi_perf_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events perf_protocol_events = {
+ .queue_sz = SCMI_PROTO_QUEUE_SZ,
+ .ops = &perf_event_ops,
+ .evts = perf_events,
+ .num_events = ARRAY_SIZE(perf_events),
+};
+
+static int scmi_perf_protocol_init(const struct scmi_protocol_handle *ph)
{
int domain;
u32 version;
struct scmi_perf_info *pinfo;
- scmi_version_get(handle, SCMI_PROTOCOL_PERF, &version);
+ ph->xops->version_get(ph, &version);
- dev_dbg(handle->dev, "Performance Version %d.%d\n",
+ dev_dbg(ph->dev, "Performance Version %d.%d\n",
PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
- pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+ pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
if (!pinfo)
return -ENOMEM;
- scmi_perf_attributes_get(handle, pinfo);
+ scmi_perf_attributes_get(ph, pinfo);
- pinfo->dom_info = devm_kcalloc(handle->dev, pinfo->num_domains,
+ pinfo->dom_info = devm_kcalloc(ph->dev, pinfo->num_domains,
sizeof(*pinfo->dom_info), GFP_KERNEL);
if (!pinfo->dom_info)
return -ENOMEM;
@@ -872,24 +896,24 @@ static int scmi_perf_protocol_init(struct scmi_handle *handle)
for (domain = 0; domain < pinfo->num_domains; domain++) {
struct perf_dom_info *dom = pinfo->dom_info + domain;
- scmi_perf_domain_attributes_get(handle, domain, dom);
- scmi_perf_describe_levels_get(handle, domain, dom);
+ scmi_perf_domain_attributes_get(ph, domain, dom);
+ scmi_perf_describe_levels_get(ph, domain, dom);
if (dom->perf_fastchannels)
- scmi_perf_domain_init_fc(handle, domain, &dom->fc_info);
+ scmi_perf_domain_init_fc(ph, domain, &dom->fc_info);
}
- scmi_register_protocol_events(handle,
- SCMI_PROTOCOL_PERF, SCMI_PROTO_QUEUE_SZ,
- &perf_event_ops, perf_events,
- ARRAY_SIZE(perf_events),
- pinfo->num_domains);
-
pinfo->version = version;
- handle->perf_ops = &perf_ops;
- handle->perf_priv = pinfo;
- return 0;
+ return ph->set_priv(ph, pinfo);
}
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_PERF, perf)
+static const struct scmi_protocol scmi_perf = {
+ .id = SCMI_PROTOCOL_PERF,
+ .owner = THIS_MODULE,
+ .init_instance = &scmi_perf_protocol_init,
+ .ops = &perf_proto_ops,
+ .events = &perf_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(perf, scmi_perf)
diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c
index 1f37258e..70d366e 100644
--- a/drivers/firmware/arm_scmi/power.c
+++ b/drivers/firmware/arm_scmi/power.c
@@ -2,11 +2,12 @@
/*
* System Control and Management Interface (SCMI) Power Protocol
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
#define pr_fmt(fmt) "SCMI Notifications POWER - " fmt
+#include <linux/module.h>
#include <linux/scmi_protocol.h>
#include "common.h"
@@ -68,21 +69,21 @@ struct scmi_power_info {
struct power_dom_info *dom_info;
};
-static int scmi_power_attributes_get(const struct scmi_handle *handle,
+static int scmi_power_attributes_get(const struct scmi_protocol_handle *ph,
struct scmi_power_info *pi)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_power_attributes *attr;
- ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
- SCMI_PROTOCOL_POWER, 0, sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+ 0, sizeof(*attr), &t);
if (ret)
return ret;
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
pi->num_domains = le16_to_cpu(attr->num_domains);
pi->stats_addr = le32_to_cpu(attr->stats_addr_low) |
@@ -90,28 +91,27 @@ static int scmi_power_attributes_get(const struct scmi_handle *handle,
pi->stats_size = le32_to_cpu(attr->stats_size);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
static int
-scmi_power_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
- struct power_dom_info *dom_info)
+scmi_power_domain_attributes_get(const struct scmi_protocol_handle *ph,
+ u32 domain, struct power_dom_info *dom_info)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_power_domain_attributes *attr;
- ret = scmi_xfer_get_init(handle, POWER_DOMAIN_ATTRIBUTES,
- SCMI_PROTOCOL_POWER, sizeof(domain),
- sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, POWER_DOMAIN_ATTRIBUTES,
+ sizeof(domain), sizeof(*attr), &t);
if (ret)
return ret;
put_unaligned_le32(domain, t->tx.buf);
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
u32 flags = le32_to_cpu(attr->flags);
@@ -121,19 +121,18 @@ scmi_power_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int
-scmi_power_state_set(const struct scmi_handle *handle, u32 domain, u32 state)
+static int scmi_power_state_set(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 state)
{
int ret;
struct scmi_xfer *t;
struct scmi_power_set_state *st;
- ret = scmi_xfer_get_init(handle, POWER_STATE_SET, SCMI_PROTOCOL_POWER,
- sizeof(*st), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, POWER_STATE_SET, sizeof(*st), 0, &t);
if (ret)
return ret;
@@ -142,64 +141,64 @@ scmi_power_state_set(const struct scmi_handle *handle, u32 domain, u32 state)
st->domain = cpu_to_le32(domain);
st->state = cpu_to_le32(state);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int
-scmi_power_state_get(const struct scmi_handle *handle, u32 domain, u32 *state)
+static int scmi_power_state_get(const struct scmi_protocol_handle *ph,
+ u32 domain, u32 *state)
{
int ret;
struct scmi_xfer *t;
- ret = scmi_xfer_get_init(handle, POWER_STATE_GET, SCMI_PROTOCOL_POWER,
- sizeof(u32), sizeof(u32), &t);
+ ret = ph->xops->xfer_get_init(ph, POWER_STATE_GET, sizeof(u32), sizeof(u32), &t);
if (ret)
return ret;
put_unaligned_le32(domain, t->tx.buf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
*state = get_unaligned_le32(t->rx.buf);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_power_num_domains_get(const struct scmi_handle *handle)
+static int scmi_power_num_domains_get(const struct scmi_protocol_handle *ph)
{
- struct scmi_power_info *pi = handle->power_priv;
+ struct scmi_power_info *pi = ph->get_priv(ph);
return pi->num_domains;
}
-static char *scmi_power_name_get(const struct scmi_handle *handle, u32 domain)
+static char *scmi_power_name_get(const struct scmi_protocol_handle *ph,
+ u32 domain)
{
- struct scmi_power_info *pi = handle->power_priv;
+ struct scmi_power_info *pi = ph->get_priv(ph);
struct power_dom_info *dom = pi->dom_info + domain;
return dom->name;
}
-static const struct scmi_power_ops power_ops = {
+static const struct scmi_power_proto_ops power_proto_ops = {
.num_domains_get = scmi_power_num_domains_get,
.name_get = scmi_power_name_get,
.state_set = scmi_power_state_set,
.state_get = scmi_power_state_get,
};
-static int scmi_power_request_notify(const struct scmi_handle *handle,
+static int scmi_power_request_notify(const struct scmi_protocol_handle *ph,
u32 domain, bool enable)
{
int ret;
struct scmi_xfer *t;
struct scmi_power_state_notify *notify;
- ret = scmi_xfer_get_init(handle, POWER_STATE_NOTIFY,
- SCMI_PROTOCOL_POWER, sizeof(*notify), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, POWER_STATE_NOTIFY,
+ sizeof(*notify), 0, &t);
if (ret)
return ret;
@@ -207,18 +206,18 @@ static int scmi_power_request_notify(const struct scmi_handle *handle,
notify->domain = cpu_to_le32(domain);
notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_power_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_power_set_notify_enabled(const struct scmi_protocol_handle *ph,
u8 evt_id, u32 src_id, bool enable)
{
int ret;
- ret = scmi_power_request_notify(handle, src_id, enable);
+ ret = scmi_power_request_notify(ph, src_id, enable);
if (ret)
pr_debug("FAIL_ENABLE - evt[%X] dom[%d] - ret:%d\n",
evt_id, src_id, ret);
@@ -226,10 +225,11 @@ static int scmi_power_set_notify_enabled(const struct scmi_handle *handle,
return ret;
}
-static void *scmi_power_fill_custom_report(const struct scmi_handle *handle,
- u8 evt_id, ktime_t timestamp,
- const void *payld, size_t payld_sz,
- void *report, u32 *src_id)
+static void *
+scmi_power_fill_custom_report(const struct scmi_protocol_handle *ph,
+ u8 evt_id, ktime_t timestamp,
+ const void *payld, size_t payld_sz,
+ void *report, u32 *src_id)
{
const struct scmi_power_state_notify_payld *p = payld;
struct scmi_power_state_changed_report *r = report;
@@ -246,6 +246,16 @@ static void *scmi_power_fill_custom_report(const struct scmi_handle *handle,
return r;
}
+static int scmi_power_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+ struct scmi_power_info *pinfo = ph->get_priv(ph);
+
+ if (!pinfo)
+ return -EINVAL;
+
+ return pinfo->num_domains;
+}
+
static const struct scmi_event power_events[] = {
{
.id = SCMI_EVENT_POWER_STATE_CHANGED,
@@ -256,28 +266,36 @@ static const struct scmi_event power_events[] = {
};
static const struct scmi_event_ops power_event_ops = {
+ .get_num_sources = scmi_power_get_num_sources,
.set_notify_enabled = scmi_power_set_notify_enabled,
.fill_custom_report = scmi_power_fill_custom_report,
};
-static int scmi_power_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events power_protocol_events = {
+ .queue_sz = SCMI_PROTO_QUEUE_SZ,
+ .ops = &power_event_ops,
+ .evts = power_events,
+ .num_events = ARRAY_SIZE(power_events),
+};
+
+static int scmi_power_protocol_init(const struct scmi_protocol_handle *ph)
{
int domain;
u32 version;
struct scmi_power_info *pinfo;
- scmi_version_get(handle, SCMI_PROTOCOL_POWER, &version);
+ ph->xops->version_get(ph, &version);
- dev_dbg(handle->dev, "Power Version %d.%d\n",
+ dev_dbg(ph->dev, "Power Version %d.%d\n",
PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
- pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+ pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
if (!pinfo)
return -ENOMEM;
- scmi_power_attributes_get(handle, pinfo);
+ scmi_power_attributes_get(ph, pinfo);
- pinfo->dom_info = devm_kcalloc(handle->dev, pinfo->num_domains,
+ pinfo->dom_info = devm_kcalloc(ph->dev, pinfo->num_domains,
sizeof(*pinfo->dom_info), GFP_KERNEL);
if (!pinfo->dom_info)
return -ENOMEM;
@@ -285,20 +303,20 @@ static int scmi_power_protocol_init(struct scmi_handle *handle)
for (domain = 0; domain < pinfo->num_domains; domain++) {
struct power_dom_info *dom = pinfo->dom_info + domain;
- scmi_power_domain_attributes_get(handle, domain, dom);
+ scmi_power_domain_attributes_get(ph, domain, dom);
}
- scmi_register_protocol_events(handle,
- SCMI_PROTOCOL_POWER, SCMI_PROTO_QUEUE_SZ,
- &power_event_ops, power_events,
- ARRAY_SIZE(power_events),
- pinfo->num_domains);
-
pinfo->version = version;
- handle->power_ops = &power_ops;
- handle->power_priv = pinfo;
- return 0;
+ return ph->set_priv(ph, pinfo);
}
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_POWER, power)
+static const struct scmi_protocol scmi_power = {
+ .id = SCMI_PROTOCOL_POWER,
+ .owner = THIS_MODULE,
+ .init_instance = &scmi_power_protocol_init,
+ .ops = &power_proto_ops,
+ .events = &power_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(power, scmi_power)
diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c
index a981a22..b26686d 100644
--- a/drivers/firmware/arm_scmi/reset.c
+++ b/drivers/firmware/arm_scmi/reset.c
@@ -2,11 +2,12 @@
/*
* System Control and Management Interface (SCMI) Reset Protocol
*
- * Copyright (C) 2019 ARM Ltd.
+ * Copyright (C) 2019-2020 ARM Ltd.
*/
#define pr_fmt(fmt) "SCMI Notifications RESET - " fmt
+#include <linux/module.h>
#include <linux/scmi_protocol.h>
#include "common.h"
@@ -64,46 +65,45 @@ struct scmi_reset_info {
struct reset_dom_info *dom_info;
};
-static int scmi_reset_attributes_get(const struct scmi_handle *handle,
+static int scmi_reset_attributes_get(const struct scmi_protocol_handle *ph,
struct scmi_reset_info *pi)
{
int ret;
struct scmi_xfer *t;
u32 attr;
- ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
- SCMI_PROTOCOL_RESET, 0, sizeof(attr), &t);
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+ 0, sizeof(attr), &t);
if (ret)
return ret;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
attr = get_unaligned_le32(t->rx.buf);
pi->num_domains = attr & NUM_RESET_DOMAIN_MASK;
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
static int
-scmi_reset_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
- struct reset_dom_info *dom_info)
+scmi_reset_domain_attributes_get(const struct scmi_protocol_handle *ph,
+ u32 domain, struct reset_dom_info *dom_info)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_reset_domain_attributes *attr;
- ret = scmi_xfer_get_init(handle, RESET_DOMAIN_ATTRIBUTES,
- SCMI_PROTOCOL_RESET, sizeof(domain),
- sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, RESET_DOMAIN_ATTRIBUTES,
+ sizeof(domain), sizeof(*attr), &t);
if (ret)
return ret;
put_unaligned_le32(domain, t->tx.buf);
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
u32 attributes = le32_to_cpu(attr->attributes);
@@ -115,47 +115,49 @@ scmi_reset_domain_attributes_get(const struct scmi_handle *handle, u32 domain,
strlcpy(dom_info->name, attr->name, SCMI_MAX_STR_SIZE);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_reset_num_domains_get(const struct scmi_handle *handle)
+static int scmi_reset_num_domains_get(const struct scmi_protocol_handle *ph)
{
- struct scmi_reset_info *pi = handle->reset_priv;
+ struct scmi_reset_info *pi = ph->get_priv(ph);
return pi->num_domains;
}
-static char *scmi_reset_name_get(const struct scmi_handle *handle, u32 domain)
+static char *scmi_reset_name_get(const struct scmi_protocol_handle *ph,
+ u32 domain)
{
- struct scmi_reset_info *pi = handle->reset_priv;
+ struct scmi_reset_info *pi = ph->get_priv(ph);
+
struct reset_dom_info *dom = pi->dom_info + domain;
return dom->name;
}
-static int scmi_reset_latency_get(const struct scmi_handle *handle, u32 domain)
+static int scmi_reset_latency_get(const struct scmi_protocol_handle *ph,
+ u32 domain)
{
- struct scmi_reset_info *pi = handle->reset_priv;
+ struct scmi_reset_info *pi = ph->get_priv(ph);
struct reset_dom_info *dom = pi->dom_info + domain;
return dom->latency_us;
}
-static int scmi_domain_reset(const struct scmi_handle *handle, u32 domain,
+static int scmi_domain_reset(const struct scmi_protocol_handle *ph, u32 domain,
u32 flags, u32 state)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_reset_domain_reset *dom;
- struct scmi_reset_info *pi = handle->reset_priv;
+ struct scmi_reset_info *pi = ph->get_priv(ph);
struct reset_dom_info *rdom = pi->dom_info + domain;
if (rdom->async_reset)
flags |= ASYNCHRONOUS_RESET;
- ret = scmi_xfer_get_init(handle, RESET, SCMI_PROTOCOL_RESET,
- sizeof(*dom), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, RESET, sizeof(*dom), 0, &t);
if (ret)
return ret;
@@ -165,34 +167,35 @@ static int scmi_domain_reset(const struct scmi_handle *handle, u32 domain,
dom->reset_state = cpu_to_le32(state);
if (rdom->async_reset)
- ret = scmi_do_xfer_with_response(handle, t);
+ ret = ph->xops->do_xfer_with_response(ph, t);
else
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_reset_domain_reset(const struct scmi_handle *handle, u32 domain)
+static int scmi_reset_domain_reset(const struct scmi_protocol_handle *ph,
+ u32 domain)
{
- return scmi_domain_reset(handle, domain, AUTONOMOUS_RESET,
+ return scmi_domain_reset(ph, domain, AUTONOMOUS_RESET,
ARCH_COLD_RESET);
}
static int
-scmi_reset_domain_assert(const struct scmi_handle *handle, u32 domain)
+scmi_reset_domain_assert(const struct scmi_protocol_handle *ph, u32 domain)
{
- return scmi_domain_reset(handle, domain, EXPLICIT_RESET_ASSERT,
+ return scmi_domain_reset(ph, domain, EXPLICIT_RESET_ASSERT,
ARCH_COLD_RESET);
}
static int
-scmi_reset_domain_deassert(const struct scmi_handle *handle, u32 domain)
+scmi_reset_domain_deassert(const struct scmi_protocol_handle *ph, u32 domain)
{
- return scmi_domain_reset(handle, domain, 0, ARCH_COLD_RESET);
+ return scmi_domain_reset(ph, domain, 0, ARCH_COLD_RESET);
}
-static const struct scmi_reset_ops reset_ops = {
+static const struct scmi_reset_proto_ops reset_proto_ops = {
.num_domains_get = scmi_reset_num_domains_get,
.name_get = scmi_reset_name_get,
.latency_get = scmi_reset_latency_get,
@@ -201,16 +204,15 @@ static const struct scmi_reset_ops reset_ops = {
.deassert = scmi_reset_domain_deassert,
};
-static int scmi_reset_notify(const struct scmi_handle *handle, u32 domain_id,
- bool enable)
+static int scmi_reset_notify(const struct scmi_protocol_handle *ph,
+ u32 domain_id, bool enable)
{
int ret;
u32 evt_cntl = enable ? RESET_TP_NOTIFY_ALL : 0;
struct scmi_xfer *t;
struct scmi_msg_reset_notify *cfg;
- ret = scmi_xfer_get_init(handle, RESET_NOTIFY,
- SCMI_PROTOCOL_RESET, sizeof(*cfg), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, RESET_NOTIFY, sizeof(*cfg), 0, &t);
if (ret)
return ret;
@@ -218,18 +220,18 @@ static int scmi_reset_notify(const struct scmi_handle *handle, u32 domain_id,
cfg->id = cpu_to_le32(domain_id);
cfg->event_control = cpu_to_le32(evt_cntl);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_reset_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_reset_set_notify_enabled(const struct scmi_protocol_handle *ph,
u8 evt_id, u32 src_id, bool enable)
{
int ret;
- ret = scmi_reset_notify(handle, src_id, enable);
+ ret = scmi_reset_notify(ph, src_id, enable);
if (ret)
pr_debug("FAIL_ENABLED - evt[%X] dom[%d] - ret:%d\n",
evt_id, src_id, ret);
@@ -237,10 +239,11 @@ static int scmi_reset_set_notify_enabled(const struct scmi_handle *handle,
return ret;
}
-static void *scmi_reset_fill_custom_report(const struct scmi_handle *handle,
- u8 evt_id, ktime_t timestamp,
- const void *payld, size_t payld_sz,
- void *report, u32 *src_id)
+static void *
+scmi_reset_fill_custom_report(const struct scmi_protocol_handle *ph,
+ u8 evt_id, ktime_t timestamp,
+ const void *payld, size_t payld_sz,
+ void *report, u32 *src_id)
{
const struct scmi_reset_issued_notify_payld *p = payld;
struct scmi_reset_issued_report *r = report;
@@ -257,6 +260,16 @@ static void *scmi_reset_fill_custom_report(const struct scmi_handle *handle,
return r;
}
+static int scmi_reset_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+ struct scmi_reset_info *pinfo = ph->get_priv(ph);
+
+ if (!pinfo)
+ return -EINVAL;
+
+ return pinfo->num_domains;
+}
+
static const struct scmi_event reset_events[] = {
{
.id = SCMI_EVENT_RESET_ISSUED,
@@ -266,28 +279,36 @@ static const struct scmi_event reset_events[] = {
};
static const struct scmi_event_ops reset_event_ops = {
+ .get_num_sources = scmi_reset_get_num_sources,
.set_notify_enabled = scmi_reset_set_notify_enabled,
.fill_custom_report = scmi_reset_fill_custom_report,
};
-static int scmi_reset_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events reset_protocol_events = {
+ .queue_sz = SCMI_PROTO_QUEUE_SZ,
+ .ops = &reset_event_ops,
+ .evts = reset_events,
+ .num_events = ARRAY_SIZE(reset_events),
+};
+
+static int scmi_reset_protocol_init(const struct scmi_protocol_handle *ph)
{
int domain;
u32 version;
struct scmi_reset_info *pinfo;
- scmi_version_get(handle, SCMI_PROTOCOL_RESET, &version);
+ ph->xops->version_get(ph, &version);
- dev_dbg(handle->dev, "Reset Version %d.%d\n",
+ dev_dbg(ph->dev, "Reset Version %d.%d\n",
PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
- pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+ pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
if (!pinfo)
return -ENOMEM;
- scmi_reset_attributes_get(handle, pinfo);
+ scmi_reset_attributes_get(ph, pinfo);
- pinfo->dom_info = devm_kcalloc(handle->dev, pinfo->num_domains,
+ pinfo->dom_info = devm_kcalloc(ph->dev, pinfo->num_domains,
sizeof(*pinfo->dom_info), GFP_KERNEL);
if (!pinfo->dom_info)
return -ENOMEM;
@@ -295,20 +316,19 @@ static int scmi_reset_protocol_init(struct scmi_handle *handle)
for (domain = 0; domain < pinfo->num_domains; domain++) {
struct reset_dom_info *dom = pinfo->dom_info + domain;
- scmi_reset_domain_attributes_get(handle, domain, dom);
+ scmi_reset_domain_attributes_get(ph, domain, dom);
}
- scmi_register_protocol_events(handle,
- SCMI_PROTOCOL_RESET, SCMI_PROTO_QUEUE_SZ,
- &reset_event_ops, reset_events,
- ARRAY_SIZE(reset_events),
- pinfo->num_domains);
-
pinfo->version = version;
- handle->reset_ops = &reset_ops;
- handle->reset_priv = pinfo;
-
- return 0;
+ return ph->set_priv(ph, pinfo);
}
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_RESET, reset)
+static const struct scmi_protocol scmi_reset = {
+ .id = SCMI_PROTOCOL_RESET,
+ .owner = THIS_MODULE,
+ .init_instance = &scmi_reset_protocol_init,
+ .ops = &reset_proto_ops,
+ .events = &reset_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(reset, scmi_reset)
diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c
index a4e4aa9..bcc5cf1c 100644
--- a/drivers/firmware/arm_scmi/scmi_pm_domain.c
+++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c
@@ -2,7 +2,7 @@
/*
* SCMI Generic power domain support.
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
#include <linux/err.h>
@@ -11,9 +11,11 @@
#include <linux/pm_domain.h>
#include <linux/scmi_protocol.h>
+static const struct scmi_power_proto_ops *power_ops;
+
struct scmi_pm_domain {
struct generic_pm_domain genpd;
- const struct scmi_handle *handle;
+ const struct scmi_protocol_handle *ph;
const char *name;
u32 domain;
};
@@ -25,16 +27,15 @@ static int scmi_pd_power(struct generic_pm_domain *domain, bool power_on)
int ret;
u32 state, ret_state;
struct scmi_pm_domain *pd = to_scmi_pd(domain);
- const struct scmi_power_ops *ops = pd->handle->power_ops;
if (power_on)
state = SCMI_POWER_STATE_GENERIC_ON;
else
state = SCMI_POWER_STATE_GENERIC_OFF;
- ret = ops->state_set(pd->handle, pd->domain, state);
+ ret = power_ops->state_set(pd->ph, pd->domain, state);
if (!ret)
- ret = ops->state_get(pd->handle, pd->domain, &ret_state);
+ ret = power_ops->state_get(pd->ph, pd->domain, &ret_state);
if (!ret && state != ret_state)
return -EIO;
@@ -60,11 +61,16 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev)
struct genpd_onecell_data *scmi_pd_data;
struct generic_pm_domain **domains;
const struct scmi_handle *handle = sdev->handle;
+ struct scmi_protocol_handle *ph;
- if (!handle || !handle->power_ops)
+ if (!handle)
return -ENODEV;
- num_domains = handle->power_ops->num_domains_get(handle);
+ power_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_POWER, &ph);
+ if (IS_ERR(power_ops))
+ return PTR_ERR(power_ops);
+
+ num_domains = power_ops->num_domains_get(ph);
if (num_domains < 0) {
dev_err(dev, "number of domains not found\n");
return num_domains;
@@ -85,14 +91,14 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev)
for (i = 0; i < num_domains; i++, scmi_pd++) {
u32 state;
- if (handle->power_ops->state_get(handle, i, &state)) {
+ if (power_ops->state_get(ph, i, &state)) {
dev_warn(dev, "failed to get state for domain %d\n", i);
continue;
}
scmi_pd->domain = i;
- scmi_pd->handle = handle;
- scmi_pd->name = handle->power_ops->name_get(handle, i);
+ scmi_pd->ph = ph;
+ scmi_pd->name = power_ops->name_get(ph, i);
scmi_pd->genpd.name = scmi_pd->name;
scmi_pd->genpd.power_off = scmi_pd_power_off;
scmi_pd->genpd.power_on = scmi_pd_power_on;
diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c
index b4232d6..1187547 100644
--- a/drivers/firmware/arm_scmi/sensors.c
+++ b/drivers/firmware/arm_scmi/sensors.c
@@ -2,21 +2,31 @@
/*
* System Control and Management Interface (SCMI) Sensor Protocol
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
*/
#define pr_fmt(fmt) "SCMI Notifications SENSOR - " fmt
+#include <linux/bitfield.h>
+#include <linux/module.h>
#include <linux/scmi_protocol.h>
#include "common.h"
#include "notify.h"
+#define SCMI_MAX_NUM_SENSOR_AXIS 63
+#define SCMIv2_SENSOR_PROTOCOL 0x10000
+
enum scmi_sensor_protocol_cmd {
SENSOR_DESCRIPTION_GET = 0x3,
SENSOR_TRIP_POINT_NOTIFY = 0x4,
SENSOR_TRIP_POINT_CONFIG = 0x5,
SENSOR_READING_GET = 0x6,
+ SENSOR_AXIS_DESCRIPTION_GET = 0x7,
+ SENSOR_LIST_UPDATE_INTERVALS = 0x8,
+ SENSOR_CONFIG_GET = 0x9,
+ SENSOR_CONFIG_SET = 0xA,
+ SENSOR_CONTINUOUS_UPDATE_NOTIFY = 0xB,
};
struct scmi_msg_resp_sensor_attributes {
@@ -28,29 +38,106 @@ struct scmi_msg_resp_sensor_attributes {
__le32 reg_size;
};
+/* v3 attributes_low macros */
+#define SUPPORTS_UPDATE_NOTIFY(x) FIELD_GET(BIT(30), (x))
+#define SENSOR_TSTAMP_EXP(x) FIELD_GET(GENMASK(14, 10), (x))
+#define SUPPORTS_TIMESTAMP(x) FIELD_GET(BIT(9), (x))
+#define SUPPORTS_EXTEND_ATTRS(x) FIELD_GET(BIT(8), (x))
+
+/* v2 attributes_high macros */
+#define SENSOR_UPDATE_BASE(x) FIELD_GET(GENMASK(31, 27), (x))
+#define SENSOR_UPDATE_SCALE(x) FIELD_GET(GENMASK(26, 22), (x))
+
+/* v3 attributes_high macros */
+#define SENSOR_AXIS_NUMBER(x) FIELD_GET(GENMASK(21, 16), (x))
+#define SUPPORTS_AXIS(x) FIELD_GET(BIT(8), (x))
+
+/* v3 resolution macros */
+#define SENSOR_RES(x) FIELD_GET(GENMASK(26, 0), (x))
+#define SENSOR_RES_EXP(x) FIELD_GET(GENMASK(31, 27), (x))
+
+struct scmi_msg_resp_attrs {
+ __le32 min_range_low;
+ __le32 min_range_high;
+ __le32 max_range_low;
+ __le32 max_range_high;
+};
+
struct scmi_msg_resp_sensor_description {
__le16 num_returned;
__le16 num_remaining;
- struct {
+ struct scmi_sensor_descriptor {
__le32 id;
__le32 attributes_low;
-#define SUPPORTS_ASYNC_READ(x) ((x) & BIT(31))
-#define NUM_TRIP_POINTS(x) ((x) & 0xff)
+/* Common attributes_low macros */
+#define SUPPORTS_ASYNC_READ(x) FIELD_GET(BIT(31), (x))
+#define NUM_TRIP_POINTS(x) FIELD_GET(GENMASK(7, 0), (x))
__le32 attributes_high;
-#define SENSOR_TYPE(x) ((x) & 0xff)
-#define SENSOR_SCALE(x) (((x) >> 11) & 0x1f)
-#define SENSOR_SCALE_SIGN BIT(4)
-#define SENSOR_SCALE_EXTEND GENMASK(7, 5)
-#define SENSOR_UPDATE_SCALE(x) (((x) >> 22) & 0x1f)
-#define SENSOR_UPDATE_BASE(x) (((x) >> 27) & 0x1f)
- u8 name[SCMI_MAX_STR_SIZE];
- } desc[0];
+/* Common attributes_high macros */
+#define SENSOR_SCALE(x) FIELD_GET(GENMASK(15, 11), (x))
+#define SENSOR_SCALE_SIGN BIT(4)
+#define SENSOR_SCALE_EXTEND GENMASK(31, 5)
+#define SENSOR_TYPE(x) FIELD_GET(GENMASK(7, 0), (x))
+ u8 name[SCMI_MAX_STR_SIZE];
+ /* only for version > 2.0 */
+ __le32 power;
+ __le32 resolution;
+ struct scmi_msg_resp_attrs scalar_attrs;
+ } desc[];
};
-struct scmi_msg_sensor_trip_point_notify {
+/* Base scmi_sensor_descriptor size excluding extended attrs after name */
+#define SCMI_MSG_RESP_SENS_DESCR_BASE_SZ 28
+
+/* Sign extend to a full s32 */
+#define S32_EXT(v) \
+ ({ \
+ int __v = (v); \
+ \
+ if (__v & SENSOR_SCALE_SIGN) \
+ __v |= SENSOR_SCALE_EXTEND; \
+ __v; \
+ })
+
+struct scmi_msg_sensor_axis_description_get {
+ __le32 id;
+ __le32 axis_desc_index;
+};
+
+struct scmi_msg_resp_sensor_axis_description {
+ __le32 num_axis_flags;
+#define NUM_AXIS_RETURNED(x) FIELD_GET(GENMASK(5, 0), (x))
+#define NUM_AXIS_REMAINING(x) FIELD_GET(GENMASK(31, 26), (x))
+ struct scmi_axis_descriptor {
+ __le32 id;
+ __le32 attributes_low;
+ __le32 attributes_high;
+ u8 name[SCMI_MAX_STR_SIZE];
+ __le32 resolution;
+ struct scmi_msg_resp_attrs attrs;
+ } desc[];
+};
+
+/* Base scmi_axis_descriptor size excluding extended attrs after name */
+#define SCMI_MSG_RESP_AXIS_DESCR_BASE_SZ 28
+
+struct scmi_msg_sensor_list_update_intervals {
+ __le32 id;
+ __le32 index;
+};
+
+struct scmi_msg_resp_sensor_list_update_intervals {
+ __le32 num_intervals_flags;
+#define NUM_INTERVALS_RETURNED(x) FIELD_GET(GENMASK(11, 0), (x))
+#define SEGMENTED_INTVL_FORMAT(x) FIELD_GET(BIT(12), (x))
+#define NUM_INTERVALS_REMAINING(x) FIELD_GET(GENMASK(31, 16), (x))
+ __le32 intervals[];
+};
+
+struct scmi_msg_sensor_request_notify {
__le32 id;
__le32 event_control;
-#define SENSOR_TP_NOTIFY_ALL BIT(0)
+#define SENSOR_NOTIFY_ALL BIT(0)
};
struct scmi_msg_set_sensor_trip_point {
@@ -66,18 +153,47 @@ struct scmi_msg_set_sensor_trip_point {
__le32 value_high;
};
+struct scmi_msg_sensor_config_set {
+ __le32 id;
+ __le32 sensor_config;
+};
+
struct scmi_msg_sensor_reading_get {
__le32 id;
__le32 flags;
#define SENSOR_READ_ASYNC BIT(0)
};
+struct scmi_resp_sensor_reading_complete {
+ __le32 id;
+ __le32 readings_low;
+ __le32 readings_high;
+};
+
+struct scmi_sensor_reading_resp {
+ __le32 sensor_value_low;
+ __le32 sensor_value_high;
+ __le32 timestamp_low;
+ __le32 timestamp_high;
+};
+
+struct scmi_resp_sensor_reading_complete_v3 {
+ __le32 id;
+ struct scmi_sensor_reading_resp readings[];
+};
+
struct scmi_sensor_trip_notify_payld {
__le32 agent_id;
__le32 sensor_id;
__le32 trip_point_desc;
};
+struct scmi_sensor_update_notify_payld {
+ __le32 agent_id;
+ __le32 sensor_id;
+ struct scmi_sensor_reading_resp readings[];
+};
+
struct sensors_info {
u32 version;
int num_sensors;
@@ -87,21 +203,21 @@ struct sensors_info {
struct scmi_sensor_info *sensors;
};
-static int scmi_sensor_attributes_get(const struct scmi_handle *handle,
+static int scmi_sensor_attributes_get(const struct scmi_protocol_handle *ph,
struct sensors_info *si)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_resp_sensor_attributes *attr;
- ret = scmi_xfer_get_init(handle, PROTOCOL_ATTRIBUTES,
- SCMI_PROTOCOL_SENSOR, 0, sizeof(*attr), &t);
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES,
+ 0, sizeof(*attr), &t);
if (ret)
return ret;
attr = t->rx.buf;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret) {
si->num_sensors = le16_to_cpu(attr->num_sensors);
si->max_requests = attr->max_requests;
@@ -110,11 +226,199 @@ static int scmi_sensor_attributes_get(const struct scmi_handle *handle,
si->reg_size = le32_to_cpu(attr->reg_size);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_sensor_description_get(const struct scmi_handle *handle,
+static inline void scmi_parse_range_attrs(struct scmi_range_attrs *out,
+ struct scmi_msg_resp_attrs *in)
+{
+ out->min_range = get_unaligned_le64((void *)&in->min_range_low);
+ out->max_range = get_unaligned_le64((void *)&in->max_range_low);
+}
+
+static int scmi_sensor_update_intervals(const struct scmi_protocol_handle *ph,
+ struct scmi_sensor_info *s)
+{
+ int ret, cnt;
+ u32 desc_index = 0;
+ u16 num_returned, num_remaining;
+ struct scmi_xfer *ti;
+ struct scmi_msg_resp_sensor_list_update_intervals *buf;
+ struct scmi_msg_sensor_list_update_intervals *msg;
+
+ ret = ph->xops->xfer_get_init(ph, SENSOR_LIST_UPDATE_INTERVALS,
+ sizeof(*msg), 0, &ti);
+ if (ret)
+ return ret;
+
+ buf = ti->rx.buf;
+ do {
+ u32 flags;
+
+ msg = ti->tx.buf;
+ /* Set the number of sensors to be skipped/already read */
+ msg->id = cpu_to_le32(s->id);
+ msg->index = cpu_to_le32(desc_index);
+
+ ret = ph->xops->do_xfer(ph, ti);
+ if (ret)
+ break;
+
+ flags = le32_to_cpu(buf->num_intervals_flags);
+ num_returned = NUM_INTERVALS_RETURNED(flags);
+ num_remaining = NUM_INTERVALS_REMAINING(flags);
+
+ /*
+ * Max intervals is not declared previously anywhere so we
+ * assume it's returned+remaining.
+ */
+ if (!s->intervals.count) {
+ s->intervals.segmented = SEGMENTED_INTVL_FORMAT(flags);
+ s->intervals.count = num_returned + num_remaining;
+ /* segmented intervals are reported in one triplet */
+ if (s->intervals.segmented &&
+ (num_remaining || num_returned != 3)) {
+ dev_err(ph->dev,
+ "Sensor ID:%d advertises an invalid segmented interval (%d)\n",
+ s->id, s->intervals.count);
+ s->intervals.segmented = false;
+ s->intervals.count = 0;
+ ret = -EINVAL;
+ break;
+ }
+ /* Direct allocation when exceeding pre-allocated */
+ if (s->intervals.count >= SCMI_MAX_PREALLOC_POOL) {
+ s->intervals.desc =
+ devm_kcalloc(ph->dev,
+ s->intervals.count,
+ sizeof(*s->intervals.desc),
+ GFP_KERNEL);
+ if (!s->intervals.desc) {
+ s->intervals.segmented = false;
+ s->intervals.count = 0;
+ ret = -ENOMEM;
+ break;
+ }
+ }
+ } else if (desc_index + num_returned > s->intervals.count) {
+ dev_err(ph->dev,
+ "No. of update intervals can't exceed %d\n",
+ s->intervals.count);
+ ret = -EINVAL;
+ break;
+ }
+
+ for (cnt = 0; cnt < num_returned; cnt++)
+ s->intervals.desc[desc_index + cnt] =
+ le32_to_cpu(buf->intervals[cnt]);
+
+ desc_index += num_returned;
+
+ ph->xops->reset_rx_to_maxsz(ph, ti);
+ /*
+ * check for both returned and remaining to avoid infinite
+ * loop due to buggy firmware
+ */
+ } while (num_returned && num_remaining);
+
+ ph->xops->xfer_put(ph, ti);
+ return ret;
+}
+
+static int scmi_sensor_axis_description(const struct scmi_protocol_handle *ph,
+ struct scmi_sensor_info *s)
+{
+ int ret, cnt;
+ u32 desc_index = 0;
+ u16 num_returned, num_remaining;
+ struct scmi_xfer *te;
+ struct scmi_msg_resp_sensor_axis_description *buf;
+ struct scmi_msg_sensor_axis_description_get *msg;
+
+ s->axis = devm_kcalloc(ph->dev, s->num_axis,
+ sizeof(*s->axis), GFP_KERNEL);
+ if (!s->axis)
+ return -ENOMEM;
+
+ ret = ph->xops->xfer_get_init(ph, SENSOR_AXIS_DESCRIPTION_GET,
+ sizeof(*msg), 0, &te);
+ if (ret)
+ return ret;
+
+ buf = te->rx.buf;
+ do {
+ u32 flags;
+ struct scmi_axis_descriptor *adesc;
+
+ msg = te->tx.buf;
+ /* Set the number of sensors to be skipped/already read */
+ msg->id = cpu_to_le32(s->id);
+ msg->axis_desc_index = cpu_to_le32(desc_index);
+
+ ret = ph->xops->do_xfer(ph, te);
+ if (ret)
+ break;
+
+ flags = le32_to_cpu(buf->num_axis_flags);
+ num_returned = NUM_AXIS_RETURNED(flags);
+ num_remaining = NUM_AXIS_REMAINING(flags);
+
+ if (desc_index + num_returned > s->num_axis) {
+ dev_err(ph->dev, "No. of axis can't exceed %d\n",
+ s->num_axis);
+ break;
+ }
+
+ adesc = &buf->desc[0];
+ for (cnt = 0; cnt < num_returned; cnt++) {
+ u32 attrh, attrl;
+ struct scmi_sensor_axis_info *a;
+ size_t dsize = SCMI_MSG_RESP_AXIS_DESCR_BASE_SZ;
+
+ attrl = le32_to_cpu(adesc->attributes_low);
+
+ a = &s->axis[desc_index + cnt];
+
+ a->id = le32_to_cpu(adesc->id);
+ a->extended_attrs = SUPPORTS_EXTEND_ATTRS(attrl);
+
+ attrh = le32_to_cpu(adesc->attributes_high);
+ a->scale = S32_EXT(SENSOR_SCALE(attrh));
+ a->type = SENSOR_TYPE(attrh);
+ strlcpy(a->name, adesc->name, SCMI_MAX_STR_SIZE);
+
+ if (a->extended_attrs) {
+ unsigned int ares =
+ le32_to_cpu(adesc->resolution);
+
+ a->resolution = SENSOR_RES(ares);
+ a->exponent =
+ S32_EXT(SENSOR_RES_EXP(ares));
+ dsize += sizeof(adesc->resolution);
+
+ scmi_parse_range_attrs(&a->attrs,
+ &adesc->attrs);
+ dsize += sizeof(adesc->attrs);
+ }
+
+ adesc = (typeof(adesc))((u8 *)adesc + dsize);
+ }
+
+ desc_index += num_returned;
+
+ ph->xops->reset_rx_to_maxsz(ph, te);
+ /*
+ * check for both returned and remaining to avoid infinite
+ * loop due to buggy firmware
+ */
+ } while (num_returned && num_remaining);
+
+ ph->xops->xfer_put(ph, te);
+ return ret;
+}
+
+static int scmi_sensor_description_get(const struct scmi_protocol_handle *ph,
struct sensors_info *si)
{
int ret, cnt;
@@ -123,18 +427,20 @@ static int scmi_sensor_description_get(const struct scmi_handle *handle,
struct scmi_xfer *t;
struct scmi_msg_resp_sensor_description *buf;
- ret = scmi_xfer_get_init(handle, SENSOR_DESCRIPTION_GET,
- SCMI_PROTOCOL_SENSOR, sizeof(__le32), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, SENSOR_DESCRIPTION_GET,
+ sizeof(__le32), 0, &t);
if (ret)
return ret;
buf = t->rx.buf;
do {
+ struct scmi_sensor_descriptor *sdesc;
+
/* Set the number of sensors to be skipped/already read */
put_unaligned_le32(desc_index, t->tx.buf);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (ret)
break;
@@ -142,52 +448,128 @@ static int scmi_sensor_description_get(const struct scmi_handle *handle,
num_remaining = le16_to_cpu(buf->num_remaining);
if (desc_index + num_returned > si->num_sensors) {
- dev_err(handle->dev, "No. of sensors can't exceed %d",
+ dev_err(ph->dev, "No. of sensors can't exceed %d",
si->num_sensors);
break;
}
+ sdesc = &buf->desc[0];
for (cnt = 0; cnt < num_returned; cnt++) {
u32 attrh, attrl;
struct scmi_sensor_info *s;
+ size_t dsize = SCMI_MSG_RESP_SENS_DESCR_BASE_SZ;
- attrl = le32_to_cpu(buf->desc[cnt].attributes_low);
- attrh = le32_to_cpu(buf->desc[cnt].attributes_high);
s = &si->sensors[desc_index + cnt];
- s->id = le32_to_cpu(buf->desc[cnt].id);
- s->type = SENSOR_TYPE(attrh);
- s->scale = SENSOR_SCALE(attrh);
- /* Sign extend to a full s8 */
- if (s->scale & SENSOR_SCALE_SIGN)
- s->scale |= SENSOR_SCALE_EXTEND;
+ s->id = le32_to_cpu(sdesc->id);
+
+ attrl = le32_to_cpu(sdesc->attributes_low);
+ /* common bitfields parsing */
s->async = SUPPORTS_ASYNC_READ(attrl);
s->num_trip_points = NUM_TRIP_POINTS(attrl);
- strlcpy(s->name, buf->desc[cnt].name, SCMI_MAX_STR_SIZE);
+ /**
+ * only SCMIv3.0 specific bitfield below.
+ * Such bitfields are assumed to be zeroed on non
+ * relevant fw versions...assuming fw not buggy !
+ */
+ s->update = SUPPORTS_UPDATE_NOTIFY(attrl);
+ s->timestamped = SUPPORTS_TIMESTAMP(attrl);
+ if (s->timestamped)
+ s->tstamp_scale =
+ S32_EXT(SENSOR_TSTAMP_EXP(attrl));
+ s->extended_scalar_attrs =
+ SUPPORTS_EXTEND_ATTRS(attrl);
+
+ attrh = le32_to_cpu(sdesc->attributes_high);
+ /* common bitfields parsing */
+ s->scale = S32_EXT(SENSOR_SCALE(attrh));
+ s->type = SENSOR_TYPE(attrh);
+ /* Use pre-allocated pool wherever possible */
+ s->intervals.desc = s->intervals.prealloc_pool;
+ if (si->version == SCMIv2_SENSOR_PROTOCOL) {
+ s->intervals.segmented = false;
+ s->intervals.count = 1;
+ /*
+ * Convert SCMIv2.0 update interval format to
+ * SCMIv3.0 to be used as the common exposed
+ * descriptor, accessible via common macros.
+ */
+ s->intervals.desc[0] =
+ (SENSOR_UPDATE_BASE(attrh) << 5) |
+ SENSOR_UPDATE_SCALE(attrh);
+ } else {
+ /*
+ * From SCMIv3.0 update intervals are retrieved
+ * via a dedicated (optional) command.
+ * Since the command is optional, on error carry
+ * on without any update interval.
+ */
+ if (scmi_sensor_update_intervals(ph, s))
+ dev_dbg(ph->dev,
+ "Update Intervals not available for sensor ID:%d\n",
+ s->id);
+ }
+ /**
+ * only > SCMIv2.0 specific bitfield below.
+ * Such bitfields are assumed to be zeroed on non
+ * relevant fw versions...assuming fw not buggy !
+ */
+ s->num_axis = min_t(unsigned int,
+ SUPPORTS_AXIS(attrh) ?
+ SENSOR_AXIS_NUMBER(attrh) : 0,
+ SCMI_MAX_NUM_SENSOR_AXIS);
+ strlcpy(s->name, sdesc->name, SCMI_MAX_STR_SIZE);
+
+ if (s->extended_scalar_attrs) {
+ s->sensor_power = le32_to_cpu(sdesc->power);
+ dsize += sizeof(sdesc->power);
+ /* Only for sensors reporting scalar values */
+ if (s->num_axis == 0) {
+ unsigned int sres =
+ le32_to_cpu(sdesc->resolution);
+
+ s->resolution = SENSOR_RES(sres);
+ s->exponent =
+ S32_EXT(SENSOR_RES_EXP(sres));
+ dsize += sizeof(sdesc->resolution);
+
+ scmi_parse_range_attrs(&s->scalar_attrs,
+ &sdesc->scalar_attrs);
+ dsize += sizeof(sdesc->scalar_attrs);
+ }
+ }
+ if (s->num_axis > 0) {
+ ret = scmi_sensor_axis_description(ph, s);
+ if (ret)
+ goto out;
+ }
+
+ sdesc = (typeof(sdesc))((u8 *)sdesc + dsize);
}
desc_index += num_returned;
- scmi_reset_rx_to_maxsz(handle, t);
+ ph->xops->reset_rx_to_maxsz(ph, t);
/*
* check for both returned and remaining to avoid infinite
* loop due to buggy firmware
*/
} while (num_returned && num_remaining);
- scmi_xfer_put(handle, t);
+out:
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_sensor_trip_point_notify(const struct scmi_handle *handle,
- u32 sensor_id, bool enable)
+static inline int
+scmi_sensor_request_notify(const struct scmi_protocol_handle *ph, u32 sensor_id,
+ u8 message_id, bool enable)
{
int ret;
- u32 evt_cntl = enable ? SENSOR_TP_NOTIFY_ALL : 0;
+ u32 evt_cntl = enable ? SENSOR_NOTIFY_ALL : 0;
struct scmi_xfer *t;
- struct scmi_msg_sensor_trip_point_notify *cfg;
+ struct scmi_msg_sensor_request_notify *cfg;
- ret = scmi_xfer_get_init(handle, SENSOR_TRIP_POINT_NOTIFY,
- SCMI_PROTOCOL_SENSOR, sizeof(*cfg), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, message_id, sizeof(*cfg), 0, &t);
if (ret)
return ret;
@@ -195,23 +577,40 @@ static int scmi_sensor_trip_point_notify(const struct scmi_handle *handle,
cfg->id = cpu_to_le32(sensor_id);
cfg->event_control = cpu_to_le32(evt_cntl);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
+static int scmi_sensor_trip_point_notify(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, bool enable)
+{
+ return scmi_sensor_request_notify(ph, sensor_id,
+ SENSOR_TRIP_POINT_NOTIFY,
+ enable);
+}
+
static int
-scmi_sensor_trip_point_config(const struct scmi_handle *handle, u32 sensor_id,
- u8 trip_id, u64 trip_value)
+scmi_sensor_continuous_update_notify(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, bool enable)
+{
+ return scmi_sensor_request_notify(ph, sensor_id,
+ SENSOR_CONTINUOUS_UPDATE_NOTIFY,
+ enable);
+}
+
+static int
+scmi_sensor_trip_point_config(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, u8 trip_id, u64 trip_value)
{
int ret;
u32 evt_cntl = SENSOR_TP_BOTH;
struct scmi_xfer *t;
struct scmi_msg_set_sensor_trip_point *trip;
- ret = scmi_xfer_get_init(handle, SENSOR_TRIP_POINT_CONFIG,
- SCMI_PROTOCOL_SENSOR, sizeof(*trip), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, SENSOR_TRIP_POINT_CONFIG,
+ sizeof(*trip), 0, &t);
if (ret)
return ret;
@@ -221,75 +620,240 @@ scmi_sensor_trip_point_config(const struct scmi_handle *handle, u32 sensor_id,
trip->value_low = cpu_to_le32(trip_value & 0xffffffff);
trip->value_high = cpu_to_le32(trip_value >> 32);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_sensor_reading_get(const struct scmi_handle *handle,
+static int scmi_sensor_config_get(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, u32 *sensor_config)
+{
+ int ret;
+ struct scmi_xfer *t;
+
+ ret = ph->xops->xfer_get_init(ph, SENSOR_CONFIG_GET,
+ sizeof(__le32), sizeof(__le32), &t);
+ if (ret)
+ return ret;
+
+ put_unaligned_le32(cpu_to_le32(sensor_id), t->tx.buf);
+ ret = ph->xops->do_xfer(ph, t);
+ if (!ret) {
+ struct sensors_info *si = ph->get_priv(ph);
+ struct scmi_sensor_info *s = si->sensors + sensor_id;
+
+ *sensor_config = get_unaligned_le64(t->rx.buf);
+ s->sensor_config = *sensor_config;
+ }
+
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+static int scmi_sensor_config_set(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, u32 sensor_config)
+{
+ int ret;
+ struct scmi_xfer *t;
+ struct scmi_msg_sensor_config_set *msg;
+
+ ret = ph->xops->xfer_get_init(ph, SENSOR_CONFIG_SET,
+ sizeof(*msg), 0, &t);
+ if (ret)
+ return ret;
+
+ msg = t->tx.buf;
+ msg->id = cpu_to_le32(sensor_id);
+ msg->sensor_config = cpu_to_le32(sensor_config);
+
+ ret = ph->xops->do_xfer(ph, t);
+ if (!ret) {
+ struct sensors_info *si = ph->get_priv(ph);
+ struct scmi_sensor_info *s = si->sensors + sensor_id;
+
+ s->sensor_config = sensor_config;
+ }
+
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+/**
+ * scmi_sensor_reading_get - Read scalar sensor value
+ * @ph: Protocol handle
+ * @sensor_id: Sensor ID
+ * @value: The 64bit value sensor reading
+ *
+ * This function returns a single 64 bit reading value representing the sensor
+ * value; if the platform SCMI Protocol implementation and the sensor support
+ * multiple axis and timestamped-reads, this just returns the first axis while
+ * dropping the timestamp value.
+ * Use instead the @scmi_sensor_reading_get_timestamped to retrieve the array of
+ * timestamped multi-axis values.
+ *
+ * Return: 0 on Success
+ */
+static int scmi_sensor_reading_get(const struct scmi_protocol_handle *ph,
u32 sensor_id, u64 *value)
{
int ret;
struct scmi_xfer *t;
struct scmi_msg_sensor_reading_get *sensor;
- struct sensors_info *si = handle->sensor_priv;
+ struct sensors_info *si = ph->get_priv(ph);
struct scmi_sensor_info *s = si->sensors + sensor_id;
- ret = scmi_xfer_get_init(handle, SENSOR_READING_GET,
- SCMI_PROTOCOL_SENSOR, sizeof(*sensor),
- sizeof(u64), &t);
+ ret = ph->xops->xfer_get_init(ph, SENSOR_READING_GET,
+ sizeof(*sensor), 0, &t);
if (ret)
return ret;
sensor = t->tx.buf;
sensor->id = cpu_to_le32(sensor_id);
-
if (s->async) {
sensor->flags = cpu_to_le32(SENSOR_READ_ASYNC);
- ret = scmi_do_xfer_with_response(handle, t);
- if (!ret)
- *value = get_unaligned_le64((void *)
- ((__le32 *)t->rx.buf + 1));
+ ret = ph->xops->do_xfer_with_response(ph, t);
+ if (!ret) {
+ struct scmi_resp_sensor_reading_complete *resp;
+
+ resp = t->rx.buf;
+ if (le32_to_cpu(resp->id) == sensor_id)
+ *value =
+ get_unaligned_le64(&resp->readings_low);
+ else
+ ret = -EPROTO;
+ }
} else {
sensor->flags = cpu_to_le32(0);
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
if (!ret)
*value = get_unaligned_le64(t->rx.buf);
}
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+static inline void
+scmi_parse_sensor_readings(struct scmi_sensor_reading *out,
+ const struct scmi_sensor_reading_resp *in)
+{
+ out->value = get_unaligned_le64((void *)&in->sensor_value_low);
+ out->timestamp = get_unaligned_le64((void *)&in->timestamp_low);
+}
+
+/**
+ * scmi_sensor_reading_get_timestamped - Read multiple-axis timestamped values
+ * @ph: Protocol handle
+ * @sensor_id: Sensor ID
+ * @count: The length of the provided @readings array
+ * @readings: An array of elements each representing a timestamped per-axis
+ * reading of type @struct scmi_sensor_reading.
+ * Returned readings are ordered as the @axis descriptors array
+ * included in @struct scmi_sensor_info and the max number of
+ * returned elements is min(@count, @num_axis); ideally the provided
+ * array should be of length @count equal to @num_axis.
+ *
+ * Return: 0 on Success
+ */
+static int
+scmi_sensor_reading_get_timestamped(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, u8 count,
+ struct scmi_sensor_reading *readings)
+{
+ int ret;
+ struct scmi_xfer *t;
+ struct scmi_msg_sensor_reading_get *sensor;
+ struct sensors_info *si = ph->get_priv(ph);
+ struct scmi_sensor_info *s = si->sensors + sensor_id;
+
+ if (!count || !readings ||
+ (!s->num_axis && count > 1) || (s->num_axis && count > s->num_axis))
+ return -EINVAL;
+
+ ret = ph->xops->xfer_get_init(ph, SENSOR_READING_GET,
+ sizeof(*sensor), 0, &t);
+ if (ret)
+ return ret;
+
+ sensor = t->tx.buf;
+ sensor->id = cpu_to_le32(sensor_id);
+ if (s->async) {
+ sensor->flags = cpu_to_le32(SENSOR_READ_ASYNC);
+ ret = ph->xops->do_xfer_with_response(ph, t);
+ if (!ret) {
+ int i;
+ struct scmi_resp_sensor_reading_complete_v3 *resp;
+
+ resp = t->rx.buf;
+ /* Retrieve only the number of requested axis anyway */
+ if (le32_to_cpu(resp->id) == sensor_id)
+ for (i = 0; i < count; i++)
+ scmi_parse_sensor_readings(&readings[i],
+ &resp->readings[i]);
+ else
+ ret = -EPROTO;
+ }
+ } else {
+ sensor->flags = cpu_to_le32(0);
+ ret = ph->xops->do_xfer(ph, t);
+ if (!ret) {
+ int i;
+ struct scmi_sensor_reading_resp *resp_readings;
+
+ resp_readings = t->rx.buf;
+ for (i = 0; i < count; i++)
+ scmi_parse_sensor_readings(&readings[i],
+ &resp_readings[i]);
+ }
+ }
+
+ ph->xops->xfer_put(ph, t);
return ret;
}
static const struct scmi_sensor_info *
-scmi_sensor_info_get(const struct scmi_handle *handle, u32 sensor_id)
+scmi_sensor_info_get(const struct scmi_protocol_handle *ph, u32 sensor_id)
{
- struct sensors_info *si = handle->sensor_priv;
+ struct sensors_info *si = ph->get_priv(ph);
return si->sensors + sensor_id;
}
-static int scmi_sensor_count_get(const struct scmi_handle *handle)
+static int scmi_sensor_count_get(const struct scmi_protocol_handle *ph)
{
- struct sensors_info *si = handle->sensor_priv;
+ struct sensors_info *si = ph->get_priv(ph);
return si->num_sensors;
}
-static const struct scmi_sensor_ops sensor_ops = {
+static const struct scmi_sensor_proto_ops sensor_proto_ops = {
.count_get = scmi_sensor_count_get,
.info_get = scmi_sensor_info_get,
.trip_point_config = scmi_sensor_trip_point_config,
.reading_get = scmi_sensor_reading_get,
+ .reading_get_timestamped = scmi_sensor_reading_get_timestamped,
+ .config_get = scmi_sensor_config_get,
+ .config_set = scmi_sensor_config_set,
};
-static int scmi_sensor_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_sensor_set_notify_enabled(const struct scmi_protocol_handle *ph,
u8 evt_id, u32 src_id, bool enable)
{
int ret;
- ret = scmi_sensor_trip_point_notify(handle, src_id, enable);
+ switch (evt_id) {
+ case SCMI_EVENT_SENSOR_TRIP_POINT_EVENT:
+ ret = scmi_sensor_trip_point_notify(ph, src_id, enable);
+ break;
+ case SCMI_EVENT_SENSOR_UPDATE:
+ ret = scmi_sensor_continuous_update_notify(ph, src_id, enable);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
if (ret)
pr_debug("FAIL_ENABLED - evt[%X] dom[%d] - ret:%d\n",
evt_id, src_id, ret);
@@ -297,25 +861,72 @@ static int scmi_sensor_set_notify_enabled(const struct scmi_handle *handle,
return ret;
}
-static void *scmi_sensor_fill_custom_report(const struct scmi_handle *handle,
- u8 evt_id, ktime_t timestamp,
- const void *payld, size_t payld_sz,
- void *report, u32 *src_id)
+static void *
+scmi_sensor_fill_custom_report(const struct scmi_protocol_handle *ph,
+ u8 evt_id, ktime_t timestamp,
+ const void *payld, size_t payld_sz,
+ void *report, u32 *src_id)
{
- const struct scmi_sensor_trip_notify_payld *p = payld;
- struct scmi_sensor_trip_point_report *r = report;
+ void *rep = NULL;
- if (evt_id != SCMI_EVENT_SENSOR_TRIP_POINT_EVENT ||
- sizeof(*p) != payld_sz)
- return NULL;
+ switch (evt_id) {
+ case SCMI_EVENT_SENSOR_TRIP_POINT_EVENT:
+ {
+ const struct scmi_sensor_trip_notify_payld *p = payld;
+ struct scmi_sensor_trip_point_report *r = report;
- r->timestamp = timestamp;
- r->agent_id = le32_to_cpu(p->agent_id);
- r->sensor_id = le32_to_cpu(p->sensor_id);
- r->trip_point_desc = le32_to_cpu(p->trip_point_desc);
- *src_id = r->sensor_id;
+ if (sizeof(*p) != payld_sz)
+ break;
- return r;
+ r->timestamp = timestamp;
+ r->agent_id = le32_to_cpu(p->agent_id);
+ r->sensor_id = le32_to_cpu(p->sensor_id);
+ r->trip_point_desc = le32_to_cpu(p->trip_point_desc);
+ *src_id = r->sensor_id;
+ rep = r;
+ break;
+ }
+ case SCMI_EVENT_SENSOR_UPDATE:
+ {
+ int i;
+ struct scmi_sensor_info *s;
+ const struct scmi_sensor_update_notify_payld *p = payld;
+ struct scmi_sensor_update_report *r = report;
+ struct sensors_info *sinfo = ph->get_priv(ph);
+
+ /* payld_sz is variable for this event */
+ r->sensor_id = le32_to_cpu(p->sensor_id);
+ if (r->sensor_id >= sinfo->num_sensors)
+ break;
+ r->timestamp = timestamp;
+ r->agent_id = le32_to_cpu(p->agent_id);
+ s = &sinfo->sensors[r->sensor_id];
+ /*
+ * The generated report r (@struct scmi_sensor_update_report)
+ * was pre-allocated to contain up to SCMI_MAX_NUM_SENSOR_AXIS
+ * readings: here it is filled with the effective @num_axis
+ * readings defined for this sensor or 1 for scalar sensors.
+ */
+ r->readings_count = s->num_axis ?: 1;
+ for (i = 0; i < r->readings_count; i++)
+ scmi_parse_sensor_readings(&r->readings[i],
+ &p->readings[i]);
+ *src_id = r->sensor_id;
+ rep = r;
+ break;
+ }
+ default:
+ break;
+ }
+
+ return rep;
+}
+
+static int scmi_sensor_get_num_sources(const struct scmi_protocol_handle *ph)
+{
+ struct sensors_info *si = ph->get_priv(ph);
+
+ return si->num_sensors;
}
static const struct scmi_event sensor_events[] = {
@@ -324,47 +935,68 @@ static const struct scmi_event sensor_events[] = {
.max_payld_sz = sizeof(struct scmi_sensor_trip_notify_payld),
.max_report_sz = sizeof(struct scmi_sensor_trip_point_report),
},
+ {
+ .id = SCMI_EVENT_SENSOR_UPDATE,
+ .max_payld_sz =
+ sizeof(struct scmi_sensor_update_notify_payld) +
+ SCMI_MAX_NUM_SENSOR_AXIS *
+ sizeof(struct scmi_sensor_reading_resp),
+ .max_report_sz = sizeof(struct scmi_sensor_update_report) +
+ SCMI_MAX_NUM_SENSOR_AXIS *
+ sizeof(struct scmi_sensor_reading),
+ },
};
static const struct scmi_event_ops sensor_event_ops = {
+ .get_num_sources = scmi_sensor_get_num_sources,
.set_notify_enabled = scmi_sensor_set_notify_enabled,
.fill_custom_report = scmi_sensor_fill_custom_report,
};
-static int scmi_sensors_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events sensor_protocol_events = {
+ .queue_sz = SCMI_PROTO_QUEUE_SZ,
+ .ops = &sensor_event_ops,
+ .evts = sensor_events,
+ .num_events = ARRAY_SIZE(sensor_events),
+};
+
+static int scmi_sensors_protocol_init(const struct scmi_protocol_handle *ph)
{
u32 version;
+ int ret;
struct sensors_info *sinfo;
- scmi_version_get(handle, SCMI_PROTOCOL_SENSOR, &version);
+ ph->xops->version_get(ph, &version);
- dev_dbg(handle->dev, "Sensor Version %d.%d\n",
+ dev_dbg(ph->dev, "Sensor Version %d.%d\n",
PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
- sinfo = devm_kzalloc(handle->dev, sizeof(*sinfo), GFP_KERNEL);
+ sinfo = devm_kzalloc(ph->dev, sizeof(*sinfo), GFP_KERNEL);
if (!sinfo)
return -ENOMEM;
+ sinfo->version = version;
- scmi_sensor_attributes_get(handle, sinfo);
-
- sinfo->sensors = devm_kcalloc(handle->dev, sinfo->num_sensors,
+ ret = scmi_sensor_attributes_get(ph, sinfo);
+ if (ret)
+ return ret;
+ sinfo->sensors = devm_kcalloc(ph->dev, sinfo->num_sensors,
sizeof(*sinfo->sensors), GFP_KERNEL);
if (!sinfo->sensors)
return -ENOMEM;
- scmi_sensor_description_get(handle, sinfo);
+ ret = scmi_sensor_description_get(ph, sinfo);
+ if (ret)
+ return ret;
- scmi_register_protocol_events(handle,
- SCMI_PROTOCOL_SENSOR, SCMI_PROTO_QUEUE_SZ,
- &sensor_event_ops, sensor_events,
- ARRAY_SIZE(sensor_events),
- sinfo->num_sensors);
-
- sinfo->version = version;
- handle->sensor_ops = &sensor_ops;
- handle->sensor_priv = sinfo;
-
- return 0;
+ return ph->set_priv(ph, sinfo);
}
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SENSOR, sensors)
+static const struct scmi_protocol scmi_sensors = {
+ .id = SCMI_PROTOCOL_SENSOR,
+ .owner = THIS_MODULE,
+ .init_instance = &scmi_sensors_protocol_init,
+ .ops = &sensor_proto_ops,
+ .events = &sensor_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(sensors, scmi_sensors)
diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c
index 82a82a5..fcbe267 100644
--- a/drivers/firmware/arm_scmi/smc.c
+++ b/drivers/firmware/arm_scmi/smc.c
@@ -9,9 +9,11 @@
#include <linux/arm-smccc.h>
#include <linux/device.h>
#include <linux/err.h>
+#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/slab.h>
#include "common.h"
@@ -23,6 +25,8 @@
* @shmem: Transmit/Receive shared memory area
* @shmem_lock: Lock to protect access to Tx/Rx shared memory area
* @func_id: smc/hvc call function id
+ * @irq: Optional; employed when platforms indicates msg completion by intr.
+ * @tx_complete: Optional, employed only when irq is valid.
*/
struct scmi_smc {
@@ -30,8 +34,19 @@ struct scmi_smc {
struct scmi_shared_mem __iomem *shmem;
struct mutex shmem_lock;
u32 func_id;
+ int irq;
+ struct completion tx_complete;
};
+static irqreturn_t smc_msg_done_isr(int irq, void *data)
+{
+ struct scmi_smc *scmi_info = data;
+
+ complete(&scmi_info->tx_complete);
+
+ return IRQ_HANDLED;
+}
+
static bool smc_chan_available(struct device *dev, int idx)
{
struct device_node *np = of_parse_phandle(dev->of_node, "shmem", 0);
@@ -51,7 +66,7 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev,
struct resource res;
struct device_node *np;
u32 func_id;
- int ret;
+ int ret, irq;
if (!tx)
return -ENODEV;
@@ -79,6 +94,24 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev,
if (ret < 0)
return ret;
+ /*
+ * If there is an interrupt named "a2p", then the service and
+ * completion of a message is signaled by an interrupt rather than by
+ * the return of the SMC call.
+ */
+ irq = of_irq_get_byname(cdev->of_node, "a2p");
+ if (irq > 0) {
+ ret = devm_request_irq(dev, irq, smc_msg_done_isr,
+ IRQF_NO_SUSPEND,
+ dev_name(dev), scmi_info);
+ if (ret) {
+ dev_err(dev, "failed to setup SCMI smc irq\n");
+ return ret;
+ }
+ init_completion(&scmi_info->tx_complete);
+ scmi_info->irq = irq;
+ }
+
scmi_info->func_id = func_id;
scmi_info->cinfo = cinfo;
mutex_init(&scmi_info->shmem_lock);
@@ -110,7 +143,14 @@ static int smc_send_message(struct scmi_chan_info *cinfo,
shmem_tx_prepare(scmi_info->shmem, xfer);
+ if (scmi_info->irq)
+ reinit_completion(&scmi_info->tx_complete);
+
arm_smccc_1_1_invoke(scmi_info->func_id, 0, 0, 0, 0, 0, 0, 0, &res);
+
+ if (scmi_info->irq)
+ wait_for_completion(&scmi_info->tx_complete);
+
scmi_rx_callback(scmi_info->cinfo, shmem_read_header(scmi_info->shmem));
mutex_unlock(&scmi_info->shmem_lock);
diff --git a/drivers/firmware/arm_scmi/system.c b/drivers/firmware/arm_scmi/system.c
index 283e12d..a68bad2 100644
--- a/drivers/firmware/arm_scmi/system.c
+++ b/drivers/firmware/arm_scmi/system.c
@@ -7,6 +7,7 @@
#define pr_fmt(fmt) "SCMI Notifications SYSTEM - " fmt
+#include <linux/module.h>
#include <linux/scmi_protocol.h>
#include "common.h"
@@ -32,43 +33,44 @@ struct scmi_system_info {
u32 version;
};
-static int scmi_system_request_notify(const struct scmi_handle *handle,
+static int scmi_system_request_notify(const struct scmi_protocol_handle *ph,
bool enable)
{
int ret;
struct scmi_xfer *t;
struct scmi_system_power_state_notify *notify;
- ret = scmi_xfer_get_init(handle, SYSTEM_POWER_STATE_NOTIFY,
- SCMI_PROTOCOL_SYSTEM, sizeof(*notify), 0, &t);
+ ret = ph->xops->xfer_get_init(ph, SYSTEM_POWER_STATE_NOTIFY,
+ sizeof(*notify), 0, &t);
if (ret)
return ret;
notify = t->tx.buf;
notify->notify_enable = enable ? cpu_to_le32(BIT(0)) : 0;
- ret = scmi_do_xfer(handle, t);
+ ret = ph->xops->do_xfer(ph, t);
- scmi_xfer_put(handle, t);
+ ph->xops->xfer_put(ph, t);
return ret;
}
-static int scmi_system_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_system_set_notify_enabled(const struct scmi_protocol_handle *ph,
u8 evt_id, u32 src_id, bool enable)
{
int ret;
- ret = scmi_system_request_notify(handle, enable);
+ ret = scmi_system_request_notify(ph, enable);
if (ret)
pr_debug("FAIL_ENABLE - evt[%X] - ret:%d\n", evt_id, ret);
return ret;
}
-static void *scmi_system_fill_custom_report(const struct scmi_handle *handle,
- u8 evt_id, ktime_t timestamp,
- const void *payld, size_t payld_sz,
- void *report, u32 *src_id)
+static void *
+scmi_system_fill_custom_report(const struct scmi_protocol_handle *ph,
+ u8 evt_id, ktime_t timestamp,
+ const void *payld, size_t payld_sz,
+ void *report, u32 *src_id)
{
const struct scmi_system_power_state_notifier_payld *p = payld;
struct scmi_system_power_state_notifier_report *r = report;
@@ -101,31 +103,38 @@ static const struct scmi_event_ops system_event_ops = {
.fill_custom_report = scmi_system_fill_custom_report,
};
-static int scmi_system_protocol_init(struct scmi_handle *handle)
+static const struct scmi_protocol_events system_protocol_events = {
+ .queue_sz = SCMI_PROTO_QUEUE_SZ,
+ .ops = &system_event_ops,
+ .evts = system_events,
+ .num_events = ARRAY_SIZE(system_events),
+ .num_sources = SCMI_SYSTEM_NUM_SOURCES,
+};
+
+static int scmi_system_protocol_init(const struct scmi_protocol_handle *ph)
{
u32 version;
struct scmi_system_info *pinfo;
- scmi_version_get(handle, SCMI_PROTOCOL_SYSTEM, &version);
+ ph->xops->version_get(ph, &version);
- dev_dbg(handle->dev, "System Power Version %d.%d\n",
+ dev_dbg(ph->dev, "System Power Version %d.%d\n",
PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
- pinfo = devm_kzalloc(handle->dev, sizeof(*pinfo), GFP_KERNEL);
+ pinfo = devm_kzalloc(ph->dev, sizeof(*pinfo), GFP_KERNEL);
if (!pinfo)
return -ENOMEM;
- scmi_register_protocol_events(handle,
- SCMI_PROTOCOL_SYSTEM, SCMI_PROTO_QUEUE_SZ,
- &system_event_ops,
- system_events,
- ARRAY_SIZE(system_events),
- SCMI_SYSTEM_NUM_SOURCES);
-
pinfo->version = version;
- handle->system_priv = pinfo;
-
- return 0;
+ return ph->set_priv(ph, pinfo);
}
-DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(SCMI_PROTOCOL_SYSTEM, system)
+static const struct scmi_protocol scmi_system = {
+ .id = SCMI_PROTOCOL_SYSTEM,
+ .owner = THIS_MODULE,
+ .init_instance = &scmi_system_protocol_init,
+ .ops = NULL,
+ .events = &system_protocol_events,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(system, scmi_system)
diff --git a/drivers/firmware/arm_scmi/voltage.c b/drivers/firmware/arm_scmi/voltage.c
new file mode 100644
index 0000000..3a0cd5a
--- /dev/null
+++ b/drivers/firmware/arm_scmi/voltage.c
@@ -0,0 +1,378 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * System Control and Management Interface (SCMI) Voltage Protocol
+ *
+ * Copyright (C) 2020 ARM Ltd.
+ */
+
+#include <linux/scmi_protocol.h>
+
+#include "common.h"
+
+#define VOLTAGE_DOMS_NUM_MASK GENMASK(15, 0)
+#define REMAINING_LEVELS_MASK GENMASK(31, 16)
+#define RETURNED_LEVELS_MASK GENMASK(11, 0)
+
+enum scmi_voltage_protocol_cmd {
+ VOLTAGE_DOMAIN_ATTRIBUTES = 0x3,
+ VOLTAGE_DESCRIBE_LEVELS = 0x4,
+ VOLTAGE_CONFIG_SET = 0x5,
+ VOLTAGE_CONFIG_GET = 0x6,
+ VOLTAGE_LEVEL_SET = 0x7,
+ VOLTAGE_LEVEL_GET = 0x8,
+};
+
+#define NUM_VOLTAGE_DOMAINS(x) ((u16)(FIELD_GET(VOLTAGE_DOMS_NUM_MASK, (x))))
+
+struct scmi_msg_resp_domain_attributes {
+ __le32 attr;
+ u8 name[SCMI_MAX_STR_SIZE];
+};
+
+struct scmi_msg_cmd_describe_levels {
+ __le32 domain_id;
+ __le32 level_index;
+};
+
+struct scmi_msg_resp_describe_levels {
+ __le32 flags;
+#define NUM_REMAINING_LEVELS(f) ((u16)(FIELD_GET(REMAINING_LEVELS_MASK, (f))))
+#define NUM_RETURNED_LEVELS(f) ((u16)(FIELD_GET(RETURNED_LEVELS_MASK, (f))))
+#define SUPPORTS_SEGMENTED_LEVELS(f) ((f) & BIT(12))
+ __le32 voltage[];
+};
+
+struct scmi_msg_cmd_config_set {
+ __le32 domain_id;
+ __le32 config;
+};
+
+struct scmi_msg_cmd_level_set {
+ __le32 domain_id;
+ __le32 flags;
+ __le32 voltage_level;
+};
+
+struct voltage_info {
+ unsigned int version;
+ unsigned int num_domains;
+ struct scmi_voltage_info *domains;
+};
+
+static int scmi_protocol_attributes_get(const struct scmi_protocol_handle *ph,
+ struct voltage_info *vinfo)
+{
+ int ret;
+ struct scmi_xfer *t;
+
+ ret = ph->xops->xfer_get_init(ph, PROTOCOL_ATTRIBUTES, 0,
+ sizeof(__le32), &t);
+ if (ret)
+ return ret;
+
+ ret = ph->xops->do_xfer(ph, t);
+ if (!ret)
+ vinfo->num_domains =
+ NUM_VOLTAGE_DOMAINS(get_unaligned_le32(t->rx.buf));
+
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+static int scmi_init_voltage_levels(struct device *dev,
+ struct scmi_voltage_info *v,
+ u32 num_returned, u32 num_remaining,
+ bool segmented)
+{
+ u32 num_levels;
+
+ num_levels = num_returned + num_remaining;
+ /*
+ * segmented levels entries are represented by a single triplet
+ * returned all in one go.
+ */
+ if (!num_levels ||
+ (segmented && (num_remaining || num_returned != 3))) {
+ dev_err(dev,
+ "Invalid level descriptor(%d/%d/%d) for voltage dom %d\n",
+ num_levels, num_returned, num_remaining, v->id);
+ return -EINVAL;
+ }
+
+ v->levels_uv = devm_kcalloc(dev, num_levels, sizeof(u32), GFP_KERNEL);
+ if (!v->levels_uv)
+ return -ENOMEM;
+
+ v->num_levels = num_levels;
+ v->segmented = segmented;
+
+ return 0;
+}
+
+static int scmi_voltage_descriptors_get(const struct scmi_protocol_handle *ph,
+ struct voltage_info *vinfo)
+{
+ int ret, dom;
+ struct scmi_xfer *td, *tl;
+ struct device *dev = ph->dev;
+ struct scmi_msg_resp_domain_attributes *resp_dom;
+ struct scmi_msg_resp_describe_levels *resp_levels;
+
+ ret = ph->xops->xfer_get_init(ph, VOLTAGE_DOMAIN_ATTRIBUTES,
+ sizeof(__le32), sizeof(*resp_dom), &td);
+ if (ret)
+ return ret;
+ resp_dom = td->rx.buf;
+
+ ret = ph->xops->xfer_get_init(ph, VOLTAGE_DESCRIBE_LEVELS,
+ sizeof(__le64), 0, &tl);
+ if (ret)
+ goto outd;
+ resp_levels = tl->rx.buf;
+
+ for (dom = 0; dom < vinfo->num_domains; dom++) {
+ u32 desc_index = 0;
+ u16 num_returned = 0, num_remaining = 0;
+ struct scmi_msg_cmd_describe_levels *cmd;
+ struct scmi_voltage_info *v;
+
+ /* Retrieve domain attributes at first ... */
+ put_unaligned_le32(dom, td->tx.buf);
+ ret = ph->xops->do_xfer(ph, td);
+ /* Skip domain on comms error */
+ if (ret)
+ continue;
+
+ v = vinfo->domains + dom;
+ v->id = dom;
+ v->attributes = le32_to_cpu(resp_dom->attr);
+ strlcpy(v->name, resp_dom->name, SCMI_MAX_STR_SIZE);
+
+ cmd = tl->tx.buf;
+ /* ...then retrieve domain levels descriptions */
+ do {
+ u32 flags;
+ int cnt;
+
+ cmd->domain_id = cpu_to_le32(v->id);
+ cmd->level_index = desc_index;
+ ret = ph->xops->do_xfer(ph, tl);
+ if (ret)
+ break;
+
+ flags = le32_to_cpu(resp_levels->flags);
+ num_returned = NUM_RETURNED_LEVELS(flags);
+ num_remaining = NUM_REMAINING_LEVELS(flags);
+
+ /* Allocate space for num_levels if not already done */
+ if (!v->num_levels) {
+ ret = scmi_init_voltage_levels(dev, v,
+ num_returned,
+ num_remaining,
+ SUPPORTS_SEGMENTED_LEVELS(flags));
+ if (ret)
+ break;
+ }
+
+ if (desc_index + num_returned > v->num_levels) {
+ dev_err(ph->dev,
+ "No. of voltage levels can't exceed %d\n",
+ v->num_levels);
+ ret = -EINVAL;
+ break;
+ }
+
+ for (cnt = 0; cnt < num_returned; cnt++) {
+ s32 val;
+
+ val =
+ (s32)le32_to_cpu(resp_levels->voltage[cnt]);
+ v->levels_uv[desc_index + cnt] = val;
+ if (val < 0)
+ v->negative_volts_allowed = true;
+ }
+
+ desc_index += num_returned;
+
+ ph->xops->reset_rx_to_maxsz(ph, tl);
+ /* check both to avoid infinite loop due to buggy fw */
+ } while (num_returned && num_remaining);
+
+ if (ret) {
+ v->num_levels = 0;
+ devm_kfree(dev, v->levels_uv);
+ }
+
+ ph->xops->reset_rx_to_maxsz(ph, td);
+ }
+
+ ph->xops->xfer_put(ph, tl);
+outd:
+ ph->xops->xfer_put(ph, td);
+
+ return ret;
+}
+
+static int __scmi_voltage_get_u32(const struct scmi_protocol_handle *ph,
+ u8 cmd_id, u32 domain_id, u32 *value)
+{
+ int ret;
+ struct scmi_xfer *t;
+ struct voltage_info *vinfo = ph->get_priv(ph);
+
+ if (domain_id >= vinfo->num_domains)
+ return -EINVAL;
+
+ ret = ph->xops->xfer_get_init(ph, cmd_id, sizeof(__le32), 0, &t);
+ if (ret)
+ return ret;
+
+ put_unaligned_le32(domain_id, t->tx.buf);
+ ret = ph->xops->do_xfer(ph, t);
+ if (!ret)
+ *value = get_unaligned_le32(t->rx.buf);
+
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+static int scmi_voltage_config_set(const struct scmi_protocol_handle *ph,
+ u32 domain_id, u32 config)
+{
+ int ret;
+ struct scmi_xfer *t;
+ struct voltage_info *vinfo = ph->get_priv(ph);
+ struct scmi_msg_cmd_config_set *cmd;
+
+ if (domain_id >= vinfo->num_domains)
+ return -EINVAL;
+
+ ret = ph->xops->xfer_get_init(ph, VOLTAGE_CONFIG_SET,
+ sizeof(*cmd), 0, &t);
+ if (ret)
+ return ret;
+
+ cmd = t->tx.buf;
+ cmd->domain_id = cpu_to_le32(domain_id);
+ cmd->config = cpu_to_le32(config & GENMASK(3, 0));
+
+ ret = ph->xops->do_xfer(ph, t);
+
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+static int scmi_voltage_config_get(const struct scmi_protocol_handle *ph,
+ u32 domain_id, u32 *config)
+{
+ return __scmi_voltage_get_u32(ph, VOLTAGE_CONFIG_GET,
+ domain_id, config);
+}
+
+static int scmi_voltage_level_set(const struct scmi_protocol_handle *ph,
+ u32 domain_id, u32 flags, s32 volt_uV)
+{
+ int ret;
+ struct scmi_xfer *t;
+ struct voltage_info *vinfo = ph->get_priv(ph);
+ struct scmi_msg_cmd_level_set *cmd;
+
+ if (domain_id >= vinfo->num_domains)
+ return -EINVAL;
+
+ ret = ph->xops->xfer_get_init(ph, VOLTAGE_LEVEL_SET,
+ sizeof(*cmd), 0, &t);
+ if (ret)
+ return ret;
+
+ cmd = t->tx.buf;
+ cmd->domain_id = cpu_to_le32(domain_id);
+ cmd->flags = cpu_to_le32(flags);
+ cmd->voltage_level = cpu_to_le32(volt_uV);
+
+ ret = ph->xops->do_xfer(ph, t);
+
+ ph->xops->xfer_put(ph, t);
+ return ret;
+}
+
+static int scmi_voltage_level_get(const struct scmi_protocol_handle *ph,
+ u32 domain_id, s32 *volt_uV)
+{
+ return __scmi_voltage_get_u32(ph, VOLTAGE_LEVEL_GET,
+ domain_id, (u32 *)volt_uV);
+}
+
+static const struct scmi_voltage_info * __must_check
+scmi_voltage_info_get(const struct scmi_protocol_handle *ph, u32 domain_id)
+{
+ struct voltage_info *vinfo = ph->get_priv(ph);
+
+ if (domain_id >= vinfo->num_domains ||
+ !vinfo->domains[domain_id].num_levels)
+ return NULL;
+
+ return vinfo->domains + domain_id;
+}
+
+static int scmi_voltage_domains_num_get(const struct scmi_protocol_handle *ph)
+{
+ struct voltage_info *vinfo = ph->get_priv(ph);
+
+ return vinfo->num_domains;
+}
+
+static struct scmi_voltage_proto_ops voltage_proto_ops = {
+ .num_domains_get = scmi_voltage_domains_num_get,
+ .info_get = scmi_voltage_info_get,
+ .config_set = scmi_voltage_config_set,
+ .config_get = scmi_voltage_config_get,
+ .level_set = scmi_voltage_level_set,
+ .level_get = scmi_voltage_level_get,
+};
+
+static int scmi_voltage_protocol_init(const struct scmi_protocol_handle *ph)
+{
+ int ret;
+ u32 version;
+ struct voltage_info *vinfo;
+
+ ret = ph->xops->version_get(ph, &version);
+ if (ret)
+ return ret;
+
+ dev_dbg(ph->dev, "Voltage Version %d.%d\n",
+ PROTOCOL_REV_MAJOR(version), PROTOCOL_REV_MINOR(version));
+
+ vinfo = devm_kzalloc(ph->dev, sizeof(*vinfo), GFP_KERNEL);
+ if (!vinfo)
+ return -ENOMEM;
+ vinfo->version = version;
+
+ ret = scmi_protocol_attributes_get(ph, vinfo);
+ if (ret)
+ return ret;
+
+ if (vinfo->num_domains) {
+ vinfo->domains = devm_kcalloc(ph->dev, vinfo->num_domains,
+ sizeof(*vinfo->domains),
+ GFP_KERNEL);
+ if (!vinfo->domains)
+ return -ENOMEM;
+ ret = scmi_voltage_descriptors_get(ph, vinfo);
+ if (ret)
+ return ret;
+ } else {
+ dev_warn(ph->dev, "No Voltage domains found.\n");
+ }
+
+ return ph->set_priv(ph, vinfo);
+}
+
+static const struct scmi_protocol scmi_voltage = {
+ .id = SCMI_PROTOCOL_VOLTAGE,
+ .init_instance = &scmi_voltage_protocol_init,
+ .ops = &voltage_proto_ops,
+};
+
+DEFINE_SCMI_PROTOCOL_REGISTER_UNREGISTER(voltage, scmi_voltage)
diff --git a/drivers/firmware/efi/efi-init.c b/drivers/firmware/efi/efi-init.c
index f55a92f..a552a08 100644
--- a/drivers/firmware/efi/efi-init.c
+++ b/drivers/firmware/efi/efi-init.c
@@ -316,11 +316,9 @@ static struct device_node *find_pci_overlap_node(void)
* resource reservation conflict on the memory window that the efifb
* framebuffer steals from the PCIe host bridge.
*/
-static int efifb_add_links(const struct fwnode_handle *fwnode,
- struct device *dev)
+static int efifb_add_links(struct fwnode_handle *fwnode)
{
struct device_node *sup_np;
- struct device *sup_dev;
sup_np = find_pci_overlap_node();
@@ -331,27 +329,9 @@ static int efifb_add_links(const struct fwnode_handle *fwnode,
if (!sup_np)
return 0;
- sup_dev = get_dev_from_fwnode(&sup_np->fwnode);
+ fwnode_link_add(fwnode, of_fwnode_handle(sup_np));
of_node_put(sup_np);
- /*
- * Return -ENODEV if the PCI graphics controller device hasn't been
- * registered yet. This ensures that efifb isn't allowed to probe
- * and this function is retried again when new devices are
- * registered.
- */
- if (!sup_dev)
- return -ENODEV;
-
- /*
- * If this fails, retrying this function at a later point won't
- * change anything. So, don't return an error after this.
- */
- if (!device_link_add(dev, sup_dev, fw_devlink_get_flags()))
- dev_warn(dev, "device_link_add() failed\n");
-
- put_device(sup_dev);
-
return 0;
}
@@ -359,9 +339,7 @@ static const struct fwnode_operations efifb_fwnode_ops = {
.add_links = efifb_add_links,
};
-static struct fwnode_handle efifb_fwnode = {
- .ops = &efifb_fwnode_ops,
-};
+static struct fwnode_handle efifb_fwnode;
static int __init register_gop_device(void)
{
@@ -375,8 +353,10 @@ static int __init register_gop_device(void)
if (!pd)
return -ENOMEM;
- if (IS_ENABLED(CONFIG_PCI))
+ if (IS_ENABLED(CONFIG_PCI)) {
+ fwnode_init(&efifb_fwnode, &efifb_fwnode_ops);
pd->dev.fwnode = &efifb_fwnode;
+ }
err = platform_device_add_data(pd, &screen_info, sizeof(screen_info));
if (err)
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index a2ae9c3..d053757 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -39,6 +39,8 @@
# remove SCS flags from all objects in this directory
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
+# disable LTO
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS))
GCOV_PROFILE := n
# Sanitizer runtimes are unavailable and cannot be linked here.
diff --git a/drivers/firmware/meson/Kconfig b/drivers/firmware/meson/Kconfig
index 2671dcd..f2fdd37 100644
--- a/drivers/firmware/meson/Kconfig
+++ b/drivers/firmware/meson/Kconfig
@@ -3,8 +3,9 @@
# Amlogic Secure Monitor driver
#
config MESON_SM
- bool
- default ARCH_MESON
+ tristate "Amlogic Secure Monitor driver"
+ depends on ARCH_MESON || COMPILE_TEST
+ default y
depends on ARM64_4K_PAGES
help
Say y here to enable the Amlogic secure monitor driver
diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
index 2854b56..77aa5c6 100644
--- a/drivers/firmware/meson/meson_sm.c
+++ b/drivers/firmware/meson/meson_sm.c
@@ -331,3 +331,4 @@ static struct platform_driver meson_sm_driver = {
},
};
module_platform_driver_probe(meson_sm_driver, meson_sm_probe);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 00af99b..fd68c33 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -58,15 +58,12 @@ typedef unsigned long (psci_fn)(unsigned long, unsigned long,
unsigned long, unsigned long);
static psci_fn *invoke_psci_fn;
-enum psci_function {
- PSCI_FN_CPU_SUSPEND,
- PSCI_FN_CPU_ON,
- PSCI_FN_CPU_OFF,
- PSCI_FN_MIGRATE,
- PSCI_FN_MAX,
-};
+static struct psci_0_1_function_ids psci_0_1_function_ids;
-static u32 psci_function_id[PSCI_FN_MAX];
+struct psci_0_1_function_ids get_psci_0_1_function_ids(void)
+{
+ return psci_0_1_function_ids;
+}
#define PSCI_0_2_POWER_STATE_MASK \
(PSCI_0_2_POWER_STATE_ID_MASK | \
@@ -146,7 +143,12 @@ static int psci_to_linux_errno(int errno)
return -EINVAL;
}
-static u32 psci_get_version(void)
+static u32 psci_0_1_get_version(void)
+{
+ return PSCI_VERSION(0, 1);
+}
+
+static u32 psci_0_2_get_version(void)
{
return invoke_psci_fn(PSCI_0_2_FN_PSCI_VERSION, 0, 0, 0);
}
@@ -163,46 +165,80 @@ int psci_set_osi_mode(bool enable)
return psci_to_linux_errno(err);
}
-static int psci_cpu_suspend(u32 state, unsigned long entry_point)
+static int __psci_cpu_suspend(u32 fn, u32 state, unsigned long entry_point)
{
int err;
- u32 fn;
- fn = psci_function_id[PSCI_FN_CPU_SUSPEND];
err = invoke_psci_fn(fn, state, entry_point, 0);
return psci_to_linux_errno(err);
}
-static int psci_cpu_off(u32 state)
+static int psci_0_1_cpu_suspend(u32 state, unsigned long entry_point)
+{
+ return __psci_cpu_suspend(psci_0_1_function_ids.cpu_suspend,
+ state, entry_point);
+}
+
+static int psci_0_2_cpu_suspend(u32 state, unsigned long entry_point)
+{
+ return __psci_cpu_suspend(PSCI_FN_NATIVE(0_2, CPU_SUSPEND),
+ state, entry_point);
+}
+
+static int __psci_cpu_off(u32 fn, u32 state)
{
int err;
- u32 fn;
- fn = psci_function_id[PSCI_FN_CPU_OFF];
err = invoke_psci_fn(fn, state, 0, 0);
return psci_to_linux_errno(err);
}
-static int psci_cpu_on(unsigned long cpuid, unsigned long entry_point)
+static int psci_0_1_cpu_off(u32 state)
+{
+ return __psci_cpu_off(psci_0_1_function_ids.cpu_off, state);
+}
+
+static int psci_0_2_cpu_off(u32 state)
+{
+ return __psci_cpu_off(PSCI_0_2_FN_CPU_OFF, state);
+}
+
+static int __psci_cpu_on(u32 fn, unsigned long cpuid, unsigned long entry_point)
{
int err;
- u32 fn;
- fn = psci_function_id[PSCI_FN_CPU_ON];
err = invoke_psci_fn(fn, cpuid, entry_point, 0);
return psci_to_linux_errno(err);
}
-static int psci_migrate(unsigned long cpuid)
+static int psci_0_1_cpu_on(unsigned long cpuid, unsigned long entry_point)
+{
+ return __psci_cpu_on(psci_0_1_function_ids.cpu_on, cpuid, entry_point);
+}
+
+static int psci_0_2_cpu_on(unsigned long cpuid, unsigned long entry_point)
+{
+ return __psci_cpu_on(PSCI_FN_NATIVE(0_2, CPU_ON), cpuid, entry_point);
+}
+
+static int __psci_migrate(u32 fn, unsigned long cpuid)
{
int err;
- u32 fn;
- fn = psci_function_id[PSCI_FN_MIGRATE];
err = invoke_psci_fn(fn, cpuid, 0, 0);
return psci_to_linux_errno(err);
}
+static int psci_0_1_migrate(unsigned long cpuid)
+{
+ return __psci_migrate(psci_0_1_function_ids.migrate, cpuid);
+}
+
+static int psci_0_2_migrate(unsigned long cpuid)
+{
+ return __psci_migrate(PSCI_FN_NATIVE(0_2, MIGRATE), cpuid);
+}
+
static int psci_affinity_info(unsigned long target_affinity,
unsigned long lowest_affinity_level)
{
@@ -259,7 +295,8 @@ static int get_set_conduit_method(struct device_node *np)
return 0;
}
-static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd)
+static int psci_sys_reset(struct notifier_block *nb, unsigned long action,
+ void *data)
{
if ((reboot_mode == REBOOT_WARM || reboot_mode == REBOOT_SOFT) &&
psci_system_reset2_supported) {
@@ -272,8 +309,15 @@ static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd)
} else {
invoke_psci_fn(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);
}
+
+ return NOTIFY_DONE;
}
+static struct notifier_block psci_sys_reset_nb = {
+ .notifier_call = psci_sys_reset,
+ .priority = 129,
+};
+
static void psci_sys_poweroff(void)
{
invoke_psci_fn(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0);
@@ -290,7 +334,7 @@ static int psci_suspend_finisher(unsigned long state)
{
u32 power_state = state;
- return psci_ops.cpu_suspend(power_state, __pa_symbol(cpu_resume));
+ return psci_ops.cpu_suspend(power_state, __pa_function(cpu_resume));
}
int psci_cpu_suspend_enter(u32 state)
@@ -309,7 +353,7 @@ int psci_cpu_suspend_enter(u32 state)
static int psci_system_suspend(unsigned long unused)
{
return invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND),
- __pa_symbol(cpu_resume), 0, 0);
+ __pa_function(cpu_resume), 0, 0);
}
static int psci_system_suspend_enter(suspend_state_t state)
@@ -347,7 +391,7 @@ static void __init psci_init_system_suspend(void)
static void __init psci_init_cpu_suspend(void)
{
- int feature = psci_features(psci_function_id[PSCI_FN_CPU_SUSPEND]);
+ int feature = psci_features(PSCI_FN_NATIVE(0_2, CPU_SUSPEND));
if (feature != PSCI_RET_NOT_SUPPORTED)
psci_cpu_suspend_feature = feature;
@@ -421,26 +465,18 @@ static void __init psci_init_smccc(void)
static void __init psci_0_2_set_functions(void)
{
pr_info("Using standard PSCI v0.2 function IDs\n");
- psci_ops.get_version = psci_get_version;
- psci_function_id[PSCI_FN_CPU_SUSPEND] =
- PSCI_FN_NATIVE(0_2, CPU_SUSPEND);
- psci_ops.cpu_suspend = psci_cpu_suspend;
+ psci_ops = (struct psci_operations){
+ .get_version = psci_0_2_get_version,
+ .cpu_suspend = psci_0_2_cpu_suspend,
+ .cpu_off = psci_0_2_cpu_off,
+ .cpu_on = psci_0_2_cpu_on,
+ .migrate = psci_0_2_migrate,
+ .affinity_info = psci_affinity_info,
+ .migrate_info_type = psci_migrate_info_type,
+ };
- psci_function_id[PSCI_FN_CPU_OFF] = PSCI_0_2_FN_CPU_OFF;
- psci_ops.cpu_off = psci_cpu_off;
-
- psci_function_id[PSCI_FN_CPU_ON] = PSCI_FN_NATIVE(0_2, CPU_ON);
- psci_ops.cpu_on = psci_cpu_on;
-
- psci_function_id[PSCI_FN_MIGRATE] = PSCI_FN_NATIVE(0_2, MIGRATE);
- psci_ops.migrate = psci_migrate;
-
- psci_ops.affinity_info = psci_affinity_info;
-
- psci_ops.migrate_info_type = psci_migrate_info_type;
-
- arm_pm_restart = psci_sys_reset;
+ register_restart_handler(&psci_sys_reset_nb);
pm_power_off = psci_sys_poweroff;
}
@@ -450,7 +486,7 @@ static void __init psci_0_2_set_functions(void)
*/
static int __init psci_probe(void)
{
- u32 ver = psci_get_version();
+ u32 ver = psci_0_2_get_version();
pr_info("PSCIv%d.%d detected in firmware.\n",
PSCI_VERSION_MAJOR(ver),
@@ -514,24 +550,26 @@ static int __init psci_0_1_init(struct device_node *np)
pr_info("Using PSCI v0.1 Function IDs from DT\n");
+ psci_ops.get_version = psci_0_1_get_version;
+
if (!of_property_read_u32(np, "cpu_suspend", &id)) {
- psci_function_id[PSCI_FN_CPU_SUSPEND] = id;
- psci_ops.cpu_suspend = psci_cpu_suspend;
+ psci_0_1_function_ids.cpu_suspend = id;
+ psci_ops.cpu_suspend = psci_0_1_cpu_suspend;
}
if (!of_property_read_u32(np, "cpu_off", &id)) {
- psci_function_id[PSCI_FN_CPU_OFF] = id;
- psci_ops.cpu_off = psci_cpu_off;
+ psci_0_1_function_ids.cpu_off = id;
+ psci_ops.cpu_off = psci_0_1_cpu_off;
}
if (!of_property_read_u32(np, "cpu_on", &id)) {
- psci_function_id[PSCI_FN_CPU_ON] = id;
- psci_ops.cpu_on = psci_cpu_on;
+ psci_0_1_function_ids.cpu_on = id;
+ psci_ops.cpu_on = psci_0_1_cpu_on;
}
if (!of_property_read_u32(np, "migrate", &id)) {
- psci_function_id[PSCI_FN_MIGRATE] = id;
- psci_ops.migrate = psci_migrate;
+ psci_0_1_function_ids.migrate = id;
+ psci_ops.migrate = psci_0_1_migrate;
}
return 0;
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index e10a998..0de70a6 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -974,8 +974,11 @@ EXPORT_SYMBOL(qcom_scm_ice_available);
* qcom_scm_ice_invalidate_key() - Invalidate an inline encryption key
* @index: the keyslot to invalidate
*
- * The UFSHCI standard defines a standard way to do this, but it doesn't work on
- * these SoCs; only this SCM call does.
+ * The UFSHCI and eMMC standards define a standard way to do this, but it
+ * doesn't work on these SoCs; only this SCM call does.
+ *
+ * It is assumed that the SoC has only one ICE instance being used, as this SCM
+ * call doesn't specify which ICE instance the keyslot belongs to.
*
* Return: 0 on success; -errno on failure.
*/
@@ -1004,10 +1007,13 @@ EXPORT_SYMBOL(qcom_scm_ice_invalidate_key);
* units, e.g. 1 = 512 bytes, 8 = 4096 bytes, etc.
*
* Program a key into a keyslot of Qualcomm ICE (Inline Crypto Engine), where it
- * can then be used to encrypt/decrypt UFS I/O requests inline.
+ * can then be used to encrypt/decrypt UFS or eMMC I/O requests inline.
*
- * The UFSHCI standard defines a standard way to do this, but it doesn't work on
- * these SoCs; only this SCM call does.
+ * The UFSHCI and eMMC standards define a standard way to do this, but it
+ * doesn't work on these SoCs; only this SCM call does.
+ *
+ * It is assumed that the SoC has only one ICE instance being used, as this SCM
+ * call doesn't specify which ICE instance the keyslot belongs to.
*
* Return: 0 on success; -errno on failure.
*/
@@ -1290,6 +1296,7 @@ static const struct of_device_id qcom_scm_dt_match[] = {
{ .compatible = "qcom,scm" },
{}
};
+MODULE_DEVICE_TABLE(of, qcom_scm_dt_match);
static struct platform_driver qcom_scm_driver = {
.driver = {
@@ -1305,3 +1312,6 @@ static int __init qcom_scm_init(void)
return platform_driver_register(&qcom_scm_driver);
}
subsys_initcall(qcom_scm_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. SCM driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gnss/Kconfig b/drivers/gnss/Kconfig
index bd12e3d..b94e210 100644
--- a/drivers/gnss/Kconfig
+++ b/drivers/gnss/Kconfig
@@ -54,4 +54,19 @@
If unsure, say N.
+config GNSS_CMDLINE_SERIAL
+ tristate "Command line test driver for GNSS"
+ depends on SERIAL_DEV_BUS
+ select GNSS_SERIAL
+ help
+ Say Y here if you want to test the GNSS subsystem but do not have a
+ way to communicate a binding through firmware such as DT or ACPI.
+ The correct serdev device and protocol type must be specified on
+ the module command line.
+
+ To compile this driver as a module, choose M here: the module will
+ be called gnss-cmdline.
+
+ If unsure, say N.
+
endif # GNSS
diff --git a/drivers/gnss/Makefile b/drivers/gnss/Makefile
index 451f114..1d27659 100644
--- a/drivers/gnss/Makefile
+++ b/drivers/gnss/Makefile
@@ -17,3 +17,6 @@
obj-$(CONFIG_GNSS_UBX_SERIAL) += gnss-ubx.o
gnss-ubx-y := ubx.o
+
+obj-$(CONFIG_GNSS_CMDLINE_SERIAL) += gnss-cmdline.o
+gnss-cmdline-y := cmdline.o
diff --git a/drivers/gnss/cmdline.c b/drivers/gnss/cmdline.c
new file mode 100644
index 0000000..3e1d2463
--- /dev/null
+++ b/drivers/gnss/cmdline.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Test driver for GNSS. This driver requires the serdev binding and protocol
+ * type to be specified on the module command line.
+ *
+ * Copyright 2019 Google LLC
+ */
+
+#include <linux/device.h>
+#include <linux/gnss.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/serdev.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+
+#include "serial.h"
+
+#define GNSS_CMDLINE_MODULE_NAME "gnss-cmdline"
+
+#define gnss_cmdline_err(...) \
+ pr_err(GNSS_CMDLINE_MODULE_NAME ": " __VA_ARGS__)
+
+static char *serdev;
+module_param(serdev, charp, 0644);
+MODULE_PARM_DESC(serdev, "serial device to wrap");
+
+static int type;
+module_param(type, int, 0644);
+MODULE_PARM_DESC(serdev, "GNSS protocol type (see 'enum gnss_type')");
+
+static struct serdev_device *serdev_device;
+
+static int name_match(struct device *dev, void *data)
+{
+ return strstr(dev_name(dev), data) != NULL;
+}
+
+static int __init gnss_cmdline_init(void)
+{
+ struct device *serial_dev, *port_dev, *serdev_dev;
+ char *driver_name, *port_name, *serdev_name;
+ char *serdev_dup, *serdev_dup_sep;
+ struct gnss_serial *gserial;
+ int err = -ENODEV;
+
+ /* User did not set the serdev module parameter */
+ if (!serdev)
+ return 0;
+
+ if (type < 0 || type >= GNSS_TYPE_COUNT) {
+ gnss_cmdline_err("invalid gnss type '%d'\n", type);
+ return -EINVAL;
+ }
+
+ serdev_dup = serdev_dup_sep = kstrdup(serdev, GFP_KERNEL);
+ if (!serdev_dup)
+ return -ENOMEM;
+
+ driver_name = strsep(&serdev_dup_sep, "/");
+ if (!driver_name) {
+ gnss_cmdline_err("driver name missing\n");
+ goto err_free_serdev_dup;
+ }
+
+ port_name = strsep(&serdev_dup_sep, "/");
+ if (!port_name) {
+ gnss_cmdline_err("port name missing\n");
+ goto err_free_serdev_dup;
+ }
+
+ serdev_name = strsep(&serdev_dup_sep, "/");
+ if (!serdev_name) {
+ gnss_cmdline_err("serdev name missing\n");
+ goto err_free_serdev_dup;
+ }
+
+ /* Find the driver device instance (e.g. serial8250) */
+ serial_dev = bus_find_device_by_name(&platform_bus_type,
+ NULL, driver_name);
+ if (!serial_dev) {
+ gnss_cmdline_err("no device '%s'\n", driver_name);
+ goto err_free_serdev_dup;
+ }
+
+ /* Find the port device instance (e.g. serial0) */
+ port_dev = device_find_child(serial_dev, port_name, name_match);
+ if (!port_dev) {
+ gnss_cmdline_err("no port '%s'\n", port_name);
+ goto err_free_serdev_dup;
+ }
+
+ /* Find the serdev device instance (e.g. serial0-0) */
+ serdev_dev = device_find_child(port_dev, serdev_name, name_match);
+ if (!serdev_dev) {
+ gnss_cmdline_err("no serdev '%s'\n", serdev_name);
+ goto err_free_serdev_dup;
+ }
+
+ gserial = gnss_serial_allocate(to_serdev_device(serdev_dev), 0);
+ if (IS_ERR(gserial)) {
+ err = PTR_ERR(gserial);
+ goto err_free_serdev_dup;
+ }
+
+ gserial->gdev->type = type;
+
+ err = gnss_serial_register(gserial);
+ if (err) {
+ gnss_serial_free(gserial);
+ goto err_free_serdev_dup;
+ }
+
+ serdev_device = to_serdev_device(serdev_dev);
+ err = 0;
+err_free_serdev_dup:
+ kfree(serdev_dup);
+ return err;
+}
+
+static void __exit gnss_cmdline_exit(void)
+{
+ struct gnss_serial *gserial;
+
+ if (!serdev_device)
+ return;
+
+ gserial = serdev_device_get_drvdata(serdev_device);
+
+ gnss_serial_deregister(gserial);
+ gnss_serial_free(gserial);
+}
+
+module_init(gnss_cmdline_init);
+module_exit(gnss_cmdline_exit);
+
+MODULE_AUTHOR("Alistair Delva <adelva@google.com>");
+MODULE_DESCRIPTION("GNSS command line driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 2f895a2..be9002d 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -1039,3 +1039,14 @@ void of_gpiochip_remove(struct gpio_chip *chip)
{
of_node_put(chip->of_node);
}
+
+void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
+{
+ /* If the gpiochip has an assigned OF node this takes precedence */
+ if (gc->of_node)
+ gdev->dev.of_node = gc->of_node;
+ else
+ gc->of_node = gdev->dev.of_node;
+ if (gdev->dev.of_node)
+ gdev->dev.fwnode = of_fwnode_handle(gdev->dev.of_node);
+}
diff --git a/drivers/gpio/gpiolib-of.h b/drivers/gpio/gpiolib-of.h
index ed26664..8af2bc8 100644
--- a/drivers/gpio/gpiolib-of.h
+++ b/drivers/gpio/gpiolib-of.h
@@ -15,6 +15,7 @@ int of_gpiochip_add(struct gpio_chip *gc);
void of_gpiochip_remove(struct gpio_chip *gc);
int of_gpio_get_count(struct device *dev, const char *con_id);
bool of_gpio_need_valid_mask(const struct gpio_chip *gc);
+void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
#else
static inline struct gpio_desc *of_find_gpio(struct device *dev,
const char *con_id,
@@ -33,6 +34,10 @@ static inline bool of_gpio_need_valid_mask(const struct gpio_chip *gc)
{
return false;
}
+static inline void of_gpio_dev_init(struct gpio_chip *gc,
+ struct gpio_device *gdev)
+{
+}
#endif /* CONFIG_OF_GPIO */
extern struct notifier_block gpio_of_notifier;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index af5bb8f..200f151 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -30,6 +30,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/gpio.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/gpiolib.h>
/* Implementation infrastructure for GPIO interfaces.
*
@@ -55,8 +57,10 @@
static DEFINE_IDA(gpio_ida);
static dev_t gpio_devt;
#define GPIO_DEV_MAX 256 /* 256 GPIO chip devices supported */
+static int gpio_bus_match(struct device *dev, struct device_driver *drv);
static struct bus_type gpio_bus_type = {
.name = "gpio",
+ .match = gpio_bus_match,
};
/*
@@ -467,7 +471,7 @@ EXPORT_SYMBOL_GPL(gpiochip_line_is_valid);
static void gpiodevice_release(struct device *dev)
{
- struct gpio_device *gdev = dev_get_drvdata(dev);
+ struct gpio_device *gdev = container_of(dev, struct gpio_device, dev);
unsigned long flags;
spin_lock_irqsave(&gpio_lock, flags);
@@ -574,6 +578,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
unsigned i;
int base = gc->base;
struct gpio_device *gdev;
+ bool block_gpio_read = false;
/*
* First: allocate and populate the internal stat container, and
@@ -590,13 +595,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
gdev->dev.of_node = gc->parent->of_node;
}
-#ifdef CONFIG_OF_GPIO
- /* If the gpiochip has an assigned OF node this takes precedence */
- if (gc->of_node)
- gdev->dev.of_node = gc->of_node;
- else
- gc->of_node = gdev->dev.of_node;
-#endif
+ of_gpio_dev_init(gc, gdev);
/*
* Assign fwnode depending on the result of the previous calls,
@@ -615,7 +614,6 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
goto err_free_ida;
device_initialize(&gdev->dev);
- dev_set_drvdata(&gdev->dev, gdev);
if (gc->parent && gc->parent->driver)
gdev->owner = gc->parent->driver->owner;
else if (gc->owner)
@@ -711,15 +709,18 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
if (ret)
goto err_remove_of_chip;
- for (i = 0; i < gc->ngpio; i++) {
- struct gpio_desc *desc = &gdev->descs[i];
+ trace_android_vh_gpio_block_read(gdev, &block_gpio_read);
+ if (!block_gpio_read) {
+ for (i = 0; i < gc->ngpio; i++) {
+ struct gpio_desc *desc = &gdev->descs[i];
- if (gc->get_direction && gpiochip_line_is_valid(gc, i)) {
- assign_bit(FLAG_IS_OUT,
- &desc->flags, !gc->get_direction(gc, i));
- } else {
- assign_bit(FLAG_IS_OUT,
- &desc->flags, !gc->direction_input);
+ if (gc->get_direction && gpiochip_line_is_valid(gc, i)) {
+ assign_bit(FLAG_IS_OUT,
+ &desc->flags, !gc->get_direction(gc, i));
+ } else {
+ assign_bit(FLAG_IS_OUT,
+ &desc->flags, !gc->direction_input);
+ }
}
}
@@ -4349,6 +4350,41 @@ void gpiod_put_array(struct gpio_descs *descs)
}
EXPORT_SYMBOL_GPL(gpiod_put_array);
+
+static int gpio_bus_match(struct device *dev, struct device_driver *drv)
+{
+ /*
+ * Only match if the fwnode doesn't already have a proper struct device
+ * created for it.
+ */
+ if (dev->fwnode && dev->fwnode->dev != dev)
+ return 0;
+ return 1;
+}
+
+static int gpio_stub_drv_probe(struct device *dev)
+{
+ /*
+ * The DT node of some GPIO chips have a "compatible" property, but
+ * never have a struct device added and probed by a driver to register
+ * the GPIO chip with gpiolib. In such cases, fw_devlink=on will cause
+ * the consumers of the GPIO chip to get probe deferred forever because
+ * they will be waiting for a device associated with the GPIO chip
+ * firmware node to get added and bound to a driver.
+ *
+ * To allow these consumers to probe, we associate the struct
+ * gpio_device of the GPIO chip with the firmware node and then simply
+ * bind it to this stub driver.
+ */
+ return 0;
+}
+
+static struct device_driver gpio_stub_drv = {
+ .name = "gpio_stub_drv",
+ .bus = &gpio_bus_type,
+ .probe = gpio_stub_drv_probe,
+};
+
static int __init gpiolib_dev_init(void)
{
int ret;
@@ -4360,9 +4396,17 @@ static int __init gpiolib_dev_init(void)
return ret;
}
+ ret = driver_register(&gpio_stub_drv);
+ if (ret < 0) {
+ pr_err("gpiolib: could not register GPIO stub driver\n");
+ bus_unregister(&gpio_bus_type);
+ return ret;
+ }
+
ret = alloc_chrdev_region(&gpio_devt, 0, GPIO_DEV_MAX, GPIOCHIP_NAME);
if (ret < 0) {
pr_err("gpiolib: failed to allocate char dev region\n");
+ driver_unregister(&gpio_stub_drv);
bus_unregister(&gpio_bus_type);
return ret;
}
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index a0d392c..940448f 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -356,6 +356,9 @@ static void __adv7511_power_on(struct adv7511 *adv7511)
regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER2,
ADV7511_REG_POWER2_HPD_SRC_MASK,
ADV7511_REG_POWER2_HPD_SRC_NONE);
+
+ /* HACK: If we don't delay here edid probing doesn't work properly */
+ msleep(200);
}
static void adv7511_power_on(struct adv7511 *adv7511)
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index c7adbea..232abbb 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -135,18 +135,16 @@ static void drm_set_master(struct drm_device *dev, struct drm_file *fpriv,
static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)
{
struct drm_master *old_master;
- struct drm_master *new_master;
lockdep_assert_held_once(&dev->master_mutex);
WARN_ON(fpriv->is_master);
old_master = fpriv->master;
- new_master = drm_master_create(dev);
- if (!new_master)
+ fpriv->master = drm_master_create(dev);
+ if (!fpriv->master) {
+ fpriv->master = old_master;
return -ENOMEM;
- spin_lock(&fpriv->master_lookup_lock);
- fpriv->master = new_master;
- spin_unlock(&fpriv->master_lookup_lock);
+ }
fpriv->is_master = 1;
fpriv->authenticated = 1;
@@ -304,13 +302,10 @@ int drm_master_open(struct drm_file *file_priv)
/* if there is no current master make this fd it, but do not create
* any master object for render clients */
mutex_lock(&dev->master_mutex);
- if (!dev->master) {
+ if (!dev->master)
ret = drm_new_set_master(dev, file_priv);
- } else {
- spin_lock(&file_priv->master_lookup_lock);
+ else
file_priv->master = drm_master_get(dev->master);
- spin_unlock(&file_priv->master_lookup_lock);
- }
mutex_unlock(&dev->master_mutex);
return ret;
@@ -376,31 +371,6 @@ struct drm_master *drm_master_get(struct drm_master *master)
}
EXPORT_SYMBOL(drm_master_get);
-/**
- * drm_file_get_master - reference &drm_file.master of @file_priv
- * @file_priv: DRM file private
- *
- * Increments the reference count of @file_priv's &drm_file.master and returns
- * the &drm_file.master. If @file_priv has no &drm_file.master, returns NULL.
- *
- * Master pointers returned from this function should be unreferenced using
- * drm_master_put().
- */
-struct drm_master *drm_file_get_master(struct drm_file *file_priv)
-{
- struct drm_master *master = NULL;
-
- spin_lock(&file_priv->master_lookup_lock);
- if (!file_priv->master)
- goto unlock;
- master = drm_master_get(file_priv->master);
-
-unlock:
- spin_unlock(&file_priv->master_lookup_lock);
- return master;
-}
-EXPORT_SYMBOL(drm_file_get_master);
-
static void drm_master_destroy(struct kref *kref)
{
struct drm_master *master = container_of(kref, struct drm_master, refcount);
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 537e7de..0167030 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -177,7 +177,6 @@ struct drm_file *drm_file_alloc(struct drm_minor *minor)
init_waitqueue_head(&file->event_wait);
file->event_space = 4096; /* set aside 4k for event buffer */
- spin_lock_init(&file->master_lookup_lock);
mutex_init(&file->event_read_lock);
if (drm_core_check_feature(dev, DRIVER_GEM))
@@ -776,6 +775,72 @@ void drm_event_cancel_free(struct drm_device *dev,
EXPORT_SYMBOL(drm_event_cancel_free);
/**
+ * drm_send_event_helper - send DRM event to file descriptor
+ * @dev: DRM device
+ * @e: DRM event to deliver
+ * @timestamp: timestamp to set for the fence event in kernel's CLOCK_MONOTONIC
+ * time domain
+ *
+ * This helper function sends the event @e, initialized with
+ * drm_event_reserve_init(), to its associated userspace DRM file.
+ * The timestamp variant of dma_fence_signal is used when the caller
+ * sends a valid timestamp.
+ */
+void drm_send_event_helper(struct drm_device *dev,
+ struct drm_pending_event *e, ktime_t timestamp)
+{
+ assert_spin_locked(&dev->event_lock);
+
+ if (e->completion) {
+ complete_all(e->completion);
+ e->completion_release(e->completion);
+ e->completion = NULL;
+ }
+
+ if (e->fence) {
+ if (timestamp)
+ dma_fence_signal_timestamp(e->fence, timestamp);
+ else
+ dma_fence_signal(e->fence);
+ dma_fence_put(e->fence);
+ }
+
+ if (!e->file_priv) {
+ kfree(e);
+ return;
+ }
+
+ list_del(&e->pending_link);
+ list_add_tail(&e->link,
+ &e->file_priv->event_list);
+ wake_up_interruptible_poll(&e->file_priv->event_wait,
+ EPOLLIN | EPOLLRDNORM);
+}
+
+/**
+ * drm_send_event_timestamp_locked - send DRM event to file descriptor
+ * @dev: DRM device
+ * @e: DRM event to deliver
+ * @timestamp: timestamp to set for the fence event in kernel's CLOCK_MONOTONIC
+ * time domain
+ *
+ * This function sends the event @e, initialized with drm_event_reserve_init(),
+ * to its associated userspace DRM file. Callers must already hold
+ * &drm_device.event_lock.
+ *
+ * Note that the core will take care of unlinking and disarming events when the
+ * corresponding DRM file is closed. Drivers need not worry about whether the
+ * DRM file for this event still exists and can call this function upon
+ * completion of the asynchronous work unconditionally.
+ */
+void drm_send_event_timestamp_locked(struct drm_device *dev,
+ struct drm_pending_event *e, ktime_t timestamp)
+{
+ drm_send_event_helper(dev, e, timestamp);
+}
+EXPORT_SYMBOL(drm_send_event_timestamp_locked);
+
+/**
* drm_send_event_locked - send DRM event to file descriptor
* @dev: DRM device
* @e: DRM event to deliver
@@ -791,29 +856,7 @@ EXPORT_SYMBOL(drm_event_cancel_free);
*/
void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e)
{
- assert_spin_locked(&dev->event_lock);
-
- if (e->completion) {
- complete_all(e->completion);
- e->completion_release(e->completion);
- e->completion = NULL;
- }
-
- if (e->fence) {
- dma_fence_signal(e->fence);
- dma_fence_put(e->fence);
- }
-
- if (!e->file_priv) {
- kfree(e);
- return;
- }
-
- list_del(&e->pending_link);
- list_add_tail(&e->link,
- &e->file_priv->event_list);
- wake_up_interruptible_poll(&e->file_priv->event_wait,
- EPOLLIN | EPOLLRDNORM);
+ drm_send_event_helper(dev, e, 0);
}
EXPORT_SYMBOL(drm_send_event_locked);
@@ -837,7 +880,7 @@ void drm_send_event(struct drm_device *dev, struct drm_pending_event *e)
unsigned long irqflags;
spin_lock_irqsave(&dev->event_lock, irqflags);
- drm_send_event_locked(dev, e);
+ drm_send_event_helper(dev, e, 0);
spin_unlock_irqrestore(&dev->event_lock, irqflags);
}
EXPORT_SYMBOL(drm_send_event);
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 4606cc9..9aa3909f 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -678,9 +678,9 @@ static const struct drm_ioctl_desc drm_ioctls[] = {
DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb_ioctl, 0),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, 0),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, 0),
- DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_CREATE_DUMB, drm_mode_create_dumb_ioctl, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_MAP_DUMB, drm_mode_mmap_dumb_ioctl, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF(DRM_IOCTL_MODE_DESTROY_DUMB, drm_mode_destroy_dumb_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_GETPROPERTIES, drm_mode_obj_get_properties_ioctl, 0),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_OBJ_SETPROPERTY, drm_mode_obj_set_property_ioctl, DRM_MASTER),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR2, drm_mode_cursor2_ioctl, DRM_MASTER),
diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c
index aef2263..da4f085 100644
--- a/drivers/gpu/drm/drm_lease.c
+++ b/drivers/gpu/drm/drm_lease.c
@@ -107,19 +107,10 @@ static bool _drm_has_leased(struct drm_master *master, int id)
*/
bool _drm_lease_held(struct drm_file *file_priv, int id)
{
- bool ret;
- struct drm_master *master;
-
- if (!file_priv)
+ if (!file_priv || !file_priv->master)
return true;
- master = drm_file_get_master(file_priv);
- if (!master)
- return true;
- ret = _drm_lease_held_master(master, id);
- drm_master_put(&master);
-
- return ret;
+ return _drm_lease_held_master(file_priv->master, id);
}
/**
@@ -138,22 +129,13 @@ bool drm_lease_held(struct drm_file *file_priv, int id)
struct drm_master *master;
bool ret;
- if (!file_priv)
+ if (!file_priv || !file_priv->master || !file_priv->master->lessor)
return true;
- master = drm_file_get_master(file_priv);
- if (!master)
- return true;
- if (!master->lessor) {
- ret = true;
- goto out;
- }
+ master = file_priv->master;
mutex_lock(&master->dev->mode_config.idr_mutex);
ret = _drm_lease_held_master(master, id);
mutex_unlock(&master->dev->mode_config.idr_mutex);
-
-out:
- drm_master_put(&master);
return ret;
}
@@ -173,16 +155,10 @@ uint32_t drm_lease_filter_crtcs(struct drm_file *file_priv, uint32_t crtcs_in)
int count_in, count_out;
uint32_t crtcs_out = 0;
- if (!file_priv)
+ if (!file_priv || !file_priv->master || !file_priv->master->lessor)
return crtcs_in;
- master = drm_file_get_master(file_priv);
- if (!master)
- return crtcs_in;
- if (!master->lessor) {
- crtcs_out = crtcs_in;
- goto out;
- }
+ master = file_priv->master;
dev = master->dev;
count_in = count_out = 0;
@@ -201,9 +177,6 @@ uint32_t drm_lease_filter_crtcs(struct drm_file *file_priv, uint32_t crtcs_in)
count_in++;
}
mutex_unlock(&master->dev->mode_config.idr_mutex);
-
-out:
- drm_master_put(&master);
return crtcs_out;
}
@@ -517,7 +490,7 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
size_t object_count;
int ret = 0;
struct idr leases;
- struct drm_master *lessor;
+ struct drm_master *lessor = lessor_priv->master;
struct drm_master *lessee = NULL;
struct file *lessee_file = NULL;
struct file *lessor_file = lessor_priv->filp;
@@ -529,6 +502,12 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EOPNOTSUPP;
+ /* Do not allow sub-leases */
+ if (lessor->lessor) {
+ DRM_DEBUG_LEASE("recursive leasing not allowed\n");
+ return -EINVAL;
+ }
+
/* need some objects */
if (cl->object_count == 0) {
DRM_DEBUG_LEASE("no objects in lease\n");
@@ -540,22 +519,12 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
return -EINVAL;
}
- lessor = drm_file_get_master(lessor_priv);
- /* Do not allow sub-leases */
- if (lessor->lessor) {
- DRM_DEBUG_LEASE("recursive leasing not allowed\n");
- ret = -EINVAL;
- goto out_lessor;
- }
-
object_count = cl->object_count;
object_ids = memdup_user(u64_to_user_ptr(cl->object_ids),
array_size(object_count, sizeof(__u32)));
- if (IS_ERR(object_ids)) {
- ret = PTR_ERR(object_ids);
- goto out_lessor;
- }
+ if (IS_ERR(object_ids))
+ return PTR_ERR(object_ids);
idr_init(&leases);
@@ -566,15 +535,14 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
if (ret) {
DRM_DEBUG_LEASE("lease object lookup failed: %i\n", ret);
idr_destroy(&leases);
- goto out_lessor;
+ return ret;
}
/* Allocate a file descriptor for the lease */
fd = get_unused_fd_flags(cl->flags & (O_CLOEXEC | O_NONBLOCK));
if (fd < 0) {
idr_destroy(&leases);
- ret = fd;
- goto out_lessor;
+ return fd;
}
DRM_DEBUG_LEASE("Creating lease\n");
@@ -610,7 +578,6 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
/* Hook up the fd */
fd_install(fd, lessee_file);
- drm_master_put(&lessor);
DRM_DEBUG_LEASE("drm_mode_create_lease_ioctl succeeded\n");
return 0;
@@ -620,8 +587,6 @@ int drm_mode_create_lease_ioctl(struct drm_device *dev,
out_leases:
put_unused_fd(fd);
-out_lessor:
- drm_master_put(&lessor);
DRM_DEBUG_LEASE("drm_mode_create_lease_ioctl failed: %d\n", ret);
return ret;
}
@@ -644,7 +609,7 @@ int drm_mode_list_lessees_ioctl(struct drm_device *dev,
struct drm_mode_list_lessees *arg = data;
__u32 __user *lessee_ids = (__u32 __user *) (uintptr_t) (arg->lessees_ptr);
__u32 count_lessees = arg->count_lessees;
- struct drm_master *lessor, *lessee;
+ struct drm_master *lessor = lessor_priv->master, *lessee;
int count;
int ret = 0;
@@ -655,7 +620,6 @@ int drm_mode_list_lessees_ioctl(struct drm_device *dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EOPNOTSUPP;
- lessor = drm_file_get_master(lessor_priv);
DRM_DEBUG_LEASE("List lessees for %d\n", lessor->lessee_id);
mutex_lock(&dev->mode_config.idr_mutex);
@@ -679,7 +643,6 @@ int drm_mode_list_lessees_ioctl(struct drm_device *dev,
arg->count_lessees = count;
mutex_unlock(&dev->mode_config.idr_mutex);
- drm_master_put(&lessor);
return ret;
}
@@ -699,7 +662,7 @@ int drm_mode_get_lease_ioctl(struct drm_device *dev,
struct drm_mode_get_lease *arg = data;
__u32 __user *object_ids = (__u32 __user *) (uintptr_t) (arg->objects_ptr);
__u32 count_objects = arg->count_objects;
- struct drm_master *lessee;
+ struct drm_master *lessee = lessee_priv->master;
struct idr *object_idr;
int count;
void *entry;
@@ -713,7 +676,6 @@ int drm_mode_get_lease_ioctl(struct drm_device *dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EOPNOTSUPP;
- lessee = drm_file_get_master(lessee_priv);
DRM_DEBUG_LEASE("get lease for %d\n", lessee->lessee_id);
mutex_lock(&dev->mode_config.idr_mutex);
@@ -741,7 +703,6 @@ int drm_mode_get_lease_ioctl(struct drm_device *dev,
arg->count_objects = count;
mutex_unlock(&dev->mode_config.idr_mutex);
- drm_master_put(&lessee);
return ret;
}
@@ -760,7 +721,7 @@ int drm_mode_revoke_lease_ioctl(struct drm_device *dev,
void *data, struct drm_file *lessor_priv)
{
struct drm_mode_revoke_lease *arg = data;
- struct drm_master *lessor;
+ struct drm_master *lessor = lessor_priv->master;
struct drm_master *lessee;
int ret = 0;
@@ -770,7 +731,6 @@ int drm_mode_revoke_lease_ioctl(struct drm_device *dev,
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EOPNOTSUPP;
- lessor = drm_file_get_master(lessor_priv);
mutex_lock(&dev->mode_config.idr_mutex);
lessee = _drm_find_lessee(lessor, arg->lessee_id);
@@ -791,7 +751,6 @@ int drm_mode_revoke_lease_ioctl(struct drm_device *dev,
fail:
mutex_unlock(&dev->mode_config.idr_mutex);
- drm_master_put(&lessor);
return ret;
}
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 5dd475e..c73aaab 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -355,6 +355,7 @@ static ssize_t mipi_dsi_device_transfer(struct mipi_dsi_device *dsi,
if (dsi->mode_flags & MIPI_DSI_MODE_LPM)
msg->flags |= MIPI_DSI_MSG_USE_LPM;
+ msg->flags |= MIPI_DSI_MSG_LASTCOMMAND;
return ops->transfer(dsi->host, msg);
}
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 0f99e54..39b092e 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1290,8 +1290,7 @@ EXPORT_SYMBOL(drm_mode_prune_invalid);
* Negative if @lh_a is better than @lh_b, zero if they're equivalent, or
* positive if @lh_b is better than @lh_a.
*/
-static int drm_mode_compare(void *priv, const struct list_head *lh_a,
- const struct list_head *lh_b)
+static int drm_mode_compare(void *priv, struct list_head *lh_a, struct list_head *lh_b)
{
struct drm_display_mode *a = list_entry(lh_a, struct drm_display_mode, head);
struct drm_display_mode *b = list_entry(lh_b, struct drm_display_mode, head);
@@ -1940,6 +1939,7 @@ void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
}
+EXPORT_SYMBOL_GPL(drm_mode_convert_to_umode);
/**
* drm_crtc_convert_umode - convert a modeinfo into a drm_display_mode
@@ -2016,6 +2016,7 @@ int drm_mode_convert_umode(struct drm_device *dev,
return 0;
}
+EXPORT_SYMBOL_GPL(drm_mode_convert_umode);
/**
* drm_mode_is_420_only - if a given videomode can be only supported in YCBCR420
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index 9f955f2..ca6d13eb 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -780,6 +780,28 @@ int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
}
EXPORT_SYMBOL(drm_gem_dmabuf_mmap);
+/**
+ * drm_gem_dmabuf_get_uuid - dma_buf get_uuid implementation for GEM
+ * @dma_buf: buffer to query
+ * @uuid: uuid outparam
+ *
+ * Queries the buffer's virtio UUID. This can be used as the
+ * &dma_buf_ops.get_uuid callback. Calls into &drm_driver.gem_prime_get_uuid.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int drm_gem_dmabuf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid)
+{
+ struct drm_gem_object *obj = dma_buf->priv;
+ struct drm_device *dev = obj->dev;
+
+ if (!dev->driver->gem_prime_get_uuid)
+ return -ENODEV;
+
+ return dev->driver->gem_prime_get_uuid(obj, uuid);
+}
+EXPORT_SYMBOL(drm_gem_dmabuf_get_uuid);
+
static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
.cache_sgt_mapping = true,
.attach = drm_gem_map_attach,
@@ -790,6 +812,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = {
.mmap = drm_gem_dmabuf_mmap,
.vmap = drm_gem_dmabuf_vmap,
.vunmap = drm_gem_dmabuf_vunmap,
+ .get_uuid = drm_gem_dmabuf_get_uuid,
};
/**
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index f135b79..286edbe 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -1000,7 +1000,14 @@ static void send_vblank_event(struct drm_device *dev,
break;
}
trace_drm_vblank_event_delivered(e->base.file_priv, e->pipe, seq);
- drm_send_event_locked(dev, &e->base);
+ /*
+ * Use the same timestamp for any associated fence signal to avoid
+ * mismatch in timestamps for vsync & fence events triggered by the
+ * same HW event. Frameworks like SurfaceFlinger in Android expects the
+ * retire-fence timestamp to match exactly with HW vsync as it uses it
+ * for its software vsync modeling.
+ */
+ drm_send_event_timestamp_locked(dev, &e->base, now);
}
/**
diff --git a/drivers/gpu/drm/hisilicon/kirin/Kconfig b/drivers/gpu/drm/hisilicon/kirin/Kconfig
index 290553e..0f2a29e8 100644
--- a/drivers/gpu/drm/hisilicon/kirin/Kconfig
+++ b/drivers/gpu/drm/hisilicon/kirin/Kconfig
@@ -6,7 +6,37 @@
select DRM_GEM_CMA_HELPER
select DRM_KMS_CMA_HELPER
select DRM_MIPI_DSI
+ select DRM_PANEL
help
- Choose this option if you have a hisilicon Kirin chipsets(hi6220).
+ Choose this option if you have a hisilicon Kirin chipsets.
If M is selected the module will be called kirin-drm.
+if DRM_HISI_KIRIN
+config DRM_HISI_KIRIN620
+ bool "DRM Support for Hisilicon Kirin620 Platform"
+ default n
+ depends on DRM_HISI_KIRIN
+ select DRM_KMS_HELPER
+ select DRM_GEM_CMA_HELPER
+ select DRM_KMS_CMA_HELPER
+ select DRM_MIPI_DSI
+ select DRM_PANEL
+ help
+ Choose this option if you have hisilicon Kirin Chipset(kirin620).
+ It includes kirin620 ade and dsi drivers.
+ If y is to build kirin620 drm into kirin drm drivers.
+
+config DRM_HISI_KIRIN960
+ bool "DRM Support for Hisilicon Kirin960 Platform"
+ default n
+ depends on DRM_HISI_KIRIN
+ select DRM_KMS_HELPER
+ select DRM_GEM_CMA_HELPER
+ select DRM_KMS_CMA_HELPER
+ select DRM_MIPI_DSI
+ select DRM_PANEL
+ help
+ Choose this option if you have hisilicon Kirin Chipset(kirin960), such
+ as hikey board. It includes kirin620 dpe and dsi drivers.
+ If y is to build kirin960 drm into kirin drm drivers.
+endif
diff --git a/drivers/gpu/drm/hisilicon/kirin/Makefile b/drivers/gpu/drm/hisilicon/kirin/Makefile
index d9323f6..3bbe0bd 100644
--- a/drivers/gpu/drm/hisilicon/kirin/Makefile
+++ b/drivers/gpu/drm/hisilicon/kirin/Makefile
@@ -1,6 +1,13 @@
# SPDX-License-Identifier: GPL-2.0-only
-kirin-drm-y := kirin_drm_drv.o \
- kirin_drm_ade.o
+EXTRA_CFLAGS += \
+ -Iinclude/drm
-obj-$(CONFIG_DRM_HISI_KIRIN) += kirin-drm.o dw_drm_dsi.o
+kirin-drm-y := kirin_drm_drv.o
+kirin-drm-$(CONFIG_DRM_HISI_KIRIN620) += kirin_drm_ade.o
+kirin-drm-$(CONFIG_DRM_HISI_KIRIN960) += kirin_drm_dpe.o
+kirin-dsi-y := kirin_drm_dsi.o
+kirin-dsi-$(CONFIG_DRM_HISI_KIRIN620) += kirin/dw_drm_dsi.o
+kirin-dsi-$(CONFIG_DRM_HISI_KIRIN960) += kirin960/dw_drm_dsi.o
+
+obj-$(CONFIG_DRM_HISI_KIRIN) += kirin-drm.o kirin-dsi.o
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h b/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
index 19e81ff..6c31ee0 100644
--- a/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
+++ b/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
@@ -8,7 +8,7 @@
#define __DW_DSI_REG_H__
#define MASK(x) (BIT(x) - 1)
-
+#define DEFAULT_MAX_TX_ESC_CLK (10 * 1000000UL) //for hikey960
/*
* regs
*/
@@ -52,6 +52,50 @@
#define VID_VACTIVE_LINES 0x60 /* Vertical resolution */
#define VID_PKT_SIZE 0x3C /* Video packet size */
#define VID_MODE_CFG 0x38 /* Video mode configuration */
+/***************************for hikey960***********************************/
+#define GEN_HDR 0x6c
+#define GEN_HDATA(data) (((data) & 0xffff) << 8)
+#define GEN_HDATA_MASK (0xffff << 8)
+#define GEN_HTYPE(type) (((type) & 0xff) << 0)
+#define GEN_HTYPE_MASK 0xff
+#define GEN_PLD_DATA 0x70
+#define CMD_PKT_STATUS 0x74
+#define GEN_CMD_EMPTY BIT(0)
+#define GEN_CMD_FULL BIT(1)
+#define GEN_PLD_W_EMPTY BIT(2)
+#define GEN_PLD_W_FULL BIT(3)
+#define GEN_PLD_R_EMPTY BIT(4)
+#define GEN_PLD_R_FULL BIT(5)
+#define GEN_RD_CMD_BUSY BIT(6)
+#define CMD_MODE_CFG 0x68
+#define MAX_RD_PKT_SIZE_LP BIT(24)
+#define DCS_LW_TX_LP BIT(19)
+#define DCS_SR_0P_TX_LP BIT(18)
+#define DCS_SW_1P_TX_LP BIT(17)
+#define DCS_SW_0P_TX_LP BIT(16)
+#define GEN_LW_TX_LP BIT(14)
+#define GEN_SR_2P_TX_LP BIT(13)
+#define GEN_SR_1P_TX_LP BIT(12)
+#define GEN_SR_0P_TX_LP BIT(11)
+#define GEN_SW_2P_TX_LP BIT(10)
+#define GEN_SW_1P_TX_LP BIT(9)
+#define GEN_SW_0P_TX_LP BIT(8)
+#define EN_ACK_RQST BIT(1)
+#define EN_TEAR_FX BIT(0)
+#define CMD_PKT_STATUS_TIMEOUT_US 20000
+#define CMD_MODE_ALL_LP (MAX_RD_PKT_SIZE_LP | \
+ DCS_LW_TX_LP | \
+ DCS_SR_0P_TX_LP | \
+ DCS_SW_1P_TX_LP | \
+ DCS_SW_0P_TX_LP | \
+ GEN_LW_TX_LP | \
+ GEN_SR_2P_TX_LP | \
+ GEN_SR_1P_TX_LP | \
+ GEN_SR_0P_TX_LP | \
+ GEN_SW_2P_TX_LP | \
+ GEN_SW_1P_TX_LP | \
+ GEN_SW_0P_TX_LP)
+/***************************for hikey960***********************************/
#define PHY_TMR_CFG 0x9C /* Data lanes timing configuration */
#define BTA_TO_CNT 0x8C /* Response timeout definition */
#define PHY_TMR_LPCLK_CFG 0x98 /* clock lane timing configuration */
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/kirin/dw_drm_dsi.c
similarity index 75%
rename from drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
rename to drivers/gpu/drm/hisilicon/kirin/kirin/dw_drm_dsi.c
index 00e87c2..222de29 100644
--- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin/dw_drm_dsi.c
@@ -9,6 +9,7 @@
* Xinliang Liu <z.liuxinliang@hisilicon.com>
* Xinliang Liu <xinliang.liu@linaro.org>
* Xinwei Kong <kong.kongxinwei@hisilicon.com>
+ * Da Lv <lvda3@hisilicon.com>
*/
#include <linux/clk.h>
@@ -26,97 +27,10 @@
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
-#include "dw_dsi_reg.h"
+#include "../kirin_drm_dsi.h"
+#include "../dw_dsi_reg.h"
#define MAX_TX_ESC_CLK 10
-#define ROUND(x, y) ((x) / (y) + \
- ((x) % (y) * 10 / (y) >= 5 ? 1 : 0))
-#define PHY_REF_CLK_RATE 19200000
-#define PHY_REF_CLK_PERIOD_PS (1000000000 / (PHY_REF_CLK_RATE / 1000))
-
-#define encoder_to_dsi(encoder) \
- container_of(encoder, struct dw_dsi, encoder)
-#define host_to_dsi(host) \
- container_of(host, struct dw_dsi, host)
-
-struct mipi_phy_params {
- u32 clk_t_lpx;
- u32 clk_t_hs_prepare;
- u32 clk_t_hs_zero;
- u32 clk_t_hs_trial;
- u32 clk_t_wakeup;
- u32 data_t_lpx;
- u32 data_t_hs_prepare;
- u32 data_t_hs_zero;
- u32 data_t_hs_trial;
- u32 data_t_ta_go;
- u32 data_t_ta_get;
- u32 data_t_wakeup;
- u32 hstx_ckg_sel;
- u32 pll_fbd_div5f;
- u32 pll_fbd_div1f;
- u32 pll_fbd_2p;
- u32 pll_enbwt;
- u32 pll_fbd_p;
- u32 pll_fbd_s;
- u32 pll_pre_div1p;
- u32 pll_pre_p;
- u32 pll_vco_750M;
- u32 pll_lpf_rs;
- u32 pll_lpf_cs;
- u32 clklp2hs_time;
- u32 clkhs2lp_time;
- u32 lp2hs_time;
- u32 hs2lp_time;
- u32 clk_to_data_delay;
- u32 data_to_clk_delay;
- u32 lane_byte_clk_kHz;
- u32 clk_division;
-};
-
-struct dsi_hw_ctx {
- void __iomem *base;
- struct clk *pclk;
-};
-
-struct dw_dsi {
- struct drm_encoder encoder;
- struct drm_bridge *bridge;
- struct mipi_dsi_host host;
- struct drm_display_mode cur_mode;
- struct dsi_hw_ctx *ctx;
- struct mipi_phy_params phy;
-
- u32 lanes;
- enum mipi_dsi_pixel_format format;
- unsigned long mode_flags;
- bool enable;
-};
-
-struct dsi_data {
- struct dw_dsi dsi;
- struct dsi_hw_ctx ctx;
-};
-
-struct dsi_phy_range {
- u32 min_range_kHz;
- u32 max_range_kHz;
- u32 pll_vco_750M;
- u32 hstx_ckg_sel;
-};
-
-static const struct dsi_phy_range dphy_range_info[] = {
- { 46875, 62500, 1, 7 },
- { 62500, 93750, 0, 7 },
- { 93750, 125000, 1, 6 },
- { 125000, 187500, 0, 6 },
- { 187500, 250000, 1, 5 },
- { 250000, 375000, 0, 5 },
- { 375000, 500000, 1, 4 },
- { 500000, 750000, 0, 4 },
- { 750000, 1000000, 1, 0 },
- { 1000000, 1500000, 0, 0 }
-};
static u32 dsi_calc_phy_rate(u32 req_kHz, struct mipi_phy_params *phy)
{
@@ -568,24 +482,7 @@ static void dsi_mipi_init(struct dw_dsi *dsi)
dsi->lanes, mode->clock, phy->lane_byte_clk_kHz);
}
-static void dsi_encoder_disable(struct drm_encoder *encoder)
-{
- struct dw_dsi *dsi = encoder_to_dsi(encoder);
- struct dsi_hw_ctx *ctx = dsi->ctx;
- void __iomem *base = ctx->base;
-
- if (!dsi->enable)
- return;
-
- writel(0, base + PWR_UP);
- writel(0, base + LPCLK_CTRL);
- writel(0, base + PHY_RSTZ);
- clk_disable_unprepare(ctx->pclk);
-
- dsi->enable = false;
-}
-
-static void dsi_encoder_enable(struct drm_encoder *encoder)
+static void dsi_encoder_enable_sub(struct drm_encoder *encoder)
{
struct dw_dsi *dsi = encoder_to_dsi(encoder);
struct dsi_hw_ctx *ctx = dsi->ctx;
@@ -601,8 +498,6 @@ static void dsi_encoder_enable(struct drm_encoder *encoder)
}
dsi_mipi_init(dsi);
-
- dsi->enable = true;
}
static enum drm_mode_status dsi_encoder_phy_mode_valid(
@@ -671,55 +566,6 @@ static enum drm_mode_status dsi_encoder_mode_valid(struct drm_encoder *encoder,
return MODE_OK;
}
-static void dsi_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adj_mode)
-{
- struct dw_dsi *dsi = encoder_to_dsi(encoder);
-
- drm_mode_copy(&dsi->cur_mode, adj_mode);
-}
-
-static int dsi_encoder_atomic_check(struct drm_encoder *encoder,
- struct drm_crtc_state *crtc_state,
- struct drm_connector_state *conn_state)
-{
- /* do nothing */
- return 0;
-}
-
-static const struct drm_encoder_helper_funcs dw_encoder_helper_funcs = {
- .atomic_check = dsi_encoder_atomic_check,
- .mode_valid = dsi_encoder_mode_valid,
- .mode_set = dsi_encoder_mode_set,
- .enable = dsi_encoder_enable,
- .disable = dsi_encoder_disable
-};
-
-static int dw_drm_encoder_init(struct device *dev,
- struct drm_device *drm_dev,
- struct drm_encoder *encoder)
-{
- int ret;
- u32 crtc_mask = drm_of_find_possible_crtcs(drm_dev, dev->of_node);
-
- if (!crtc_mask) {
- DRM_ERROR("failed to find crtc mask\n");
- return -EINVAL;
- }
-
- encoder->possible_crtcs = crtc_mask;
- ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_DSI);
- if (ret) {
- DRM_ERROR("failed to init dsi encoder\n");
- return ret;
- }
-
- drm_encoder_helper_add(encoder, &dw_encoder_helper_funcs);
-
- return 0;
-}
-
static int dsi_host_attach(struct mipi_dsi_host *host,
struct mipi_dsi_device *mdsi)
{
@@ -765,54 +611,6 @@ static int dsi_host_init(struct device *dev, struct dw_dsi *dsi)
return 0;
}
-static int dsi_bridge_init(struct drm_device *dev, struct dw_dsi *dsi)
-{
- struct drm_encoder *encoder = &dsi->encoder;
- struct drm_bridge *bridge = dsi->bridge;
- int ret;
-
- /* associate the bridge to dsi encoder */
- ret = drm_bridge_attach(encoder, bridge, NULL, 0);
- if (ret) {
- DRM_ERROR("failed to attach external bridge\n");
- return ret;
- }
-
- return 0;
-}
-
-static int dsi_bind(struct device *dev, struct device *master, void *data)
-{
- struct dsi_data *ddata = dev_get_drvdata(dev);
- struct dw_dsi *dsi = &ddata->dsi;
- struct drm_device *drm_dev = data;
- int ret;
-
- ret = dw_drm_encoder_init(dev, drm_dev, &dsi->encoder);
- if (ret)
- return ret;
-
- ret = dsi_host_init(dev, dsi);
- if (ret)
- return ret;
-
- ret = dsi_bridge_init(drm_dev, dsi);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static void dsi_unbind(struct device *dev, struct device *master, void *data)
-{
- /* do nothing */
-}
-
-static const struct component_ops dsi_ops = {
- .bind = dsi_bind,
- .unbind = dsi_unbind,
-};
-
static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi)
{
struct dsi_hw_ctx *ctx = dsi->ctx;
@@ -844,54 +642,13 @@ static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi)
return 0;
}
-static int dsi_probe(struct platform_device *pdev)
-{
- struct dsi_data *data;
- struct dw_dsi *dsi;
- struct dsi_hw_ctx *ctx;
- int ret;
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- if (!data) {
- DRM_ERROR("failed to allocate dsi data.\n");
- return -ENOMEM;
- }
- dsi = &data->dsi;
- ctx = &data->ctx;
- dsi->ctx = ctx;
-
- ret = dsi_parse_dt(pdev, dsi);
- if (ret)
- return ret;
-
- platform_set_drvdata(pdev, data);
-
- return component_add(&pdev->dev, &dsi_ops);
-}
-
-static int dsi_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &dsi_ops);
-
- return 0;
-}
-
-static const struct of_device_id dsi_of_match[] = {
- {.compatible = "hisilicon,hi6220-dsi"},
- { }
+const struct kirin_dsi_ops kirin_dsi_620 = {
+ .version = KIRIN620_DSI,
+ .parse_dt = dsi_parse_dt,
+ .host_init = dsi_host_init,
+ .encoder_enable = dsi_encoder_enable_sub,
+ .encoder_valid = dsi_encoder_mode_valid
};
-MODULE_DEVICE_TABLE(of, dsi_of_match);
-
-static struct platform_driver dsi_driver = {
- .probe = dsi_probe,
- .remove = dsi_remove,
- .driver = {
- .name = "dw-dsi",
- .of_match_table = dsi_of_match,
- },
-};
-
-module_platform_driver(dsi_driver);
MODULE_AUTHOR("Xinliang Liu <xinliang.liu@linaro.org>");
MODULE_AUTHOR("Xinliang Liu <z.liuxinliang@hisilicon.com>");
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin960/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/kirin960/dw_drm_dsi.c
new file mode 100644
index 0000000..ae52055
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin960/dw_drm_dsi.c
@@ -0,0 +1,1268 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * DesignWare MIPI DSI Host Controller v1.02 driver
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * Author:
+ * <shizongxuan@huawei.com>
+ * <zhangxiubin@huawei.com>
+ * <lvda3@hisilicon.com>
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/component.h>
+#include <linux/of_graph.h>
+#include <linux/iopoll.h>
+#include <video/mipi_display.h>
+#include <linux/gpio/consumer.h>
+#include <linux/of_address.h>
+
+#include <drm/drm_of.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_encoder_slave.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_device.h>
+#include <drm/drm_sysfs.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
+#include "../kirin_drm_dsi.h"
+#include "../dw_dsi_reg.h"
+#include "../kirin_dpe_reg.h"
+
+#define DTS_COMP_DSI_NAME "hisilicon,hi3660-dsi"
+#define DSS_REDUCE(x) ((x) > 0 ? ((x) - 1) : (x))
+
+#define DEFAULT_MIPI_CLK_RATE (192 * 100000L)
+#define DEFAULT_PCLK_DSI_RATE (120 * 1000000L)
+
+struct dss_rect {
+ s32 x;
+ s32 y;
+ s32 w;
+ s32 h;
+};
+
+enum {
+ DSI_1_LANES = 0,
+ DSI_2_LANES,
+ DSI_3_LANES,
+ DSI_4_LANES,
+};
+
+static void set_reg(char __iomem *addr, uint32_t val, uint8_t bw, uint8_t bs)
+{
+ u32 mask = (1UL << bw) - 1UL;
+ u32 tmp = 0;
+
+ tmp = readl(addr);
+ tmp &= ~(mask << bs);
+
+ writel(tmp | ((val & mask) << bs), addr);
+}
+
+static enum drm_mode_status
+dsi_encoder_phy_mode_valid(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode)
+{
+ /* XXX HACK whitelist for now, to move it out of
+ * common adv7511 code. This should be replaced by
+ * something closer to dsi_encoder_phy_mode_valid()
+ * found in:
+ * drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
+ */
+ DRM_DEBUG_DRIVER("Checking mode %ix%i@%i clock: %i...", mode->hdisplay,
+ mode->vdisplay, drm_mode_vrefresh(mode), mode->clock);
+ if ((mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock == 148500) ||
+ (mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock == 80192) ||
+ (mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock == 74250) ||
+ (mode->hdisplay == 1920 && mode->vdisplay == 1080 && mode->clock == 61855) ||
+ (mode->hdisplay == 1680 && mode->vdisplay == 1050 && mode->clock == 147116) ||
+ (mode->hdisplay == 1680 && mode->vdisplay == 1050 && mode->clock == 146250) ||
+ (mode->hdisplay == 1680 && mode->vdisplay == 1050 && mode->clock == 144589) ||
+ (mode->hdisplay == 1600 && mode->vdisplay == 1200 && mode->clock == 160961) ||
+ (mode->hdisplay == 1600 && mode->vdisplay == 900 && mode->clock == 118963) ||
+ (mode->hdisplay == 1440 && mode->vdisplay == 900 && mode->clock == 126991) ||
+ (mode->hdisplay == 1280 && mode->vdisplay == 1024 && mode->clock == 128946) ||
+ (mode->hdisplay == 1280 && mode->vdisplay == 1024 && mode->clock == 98619) ||
+ (mode->hdisplay == 1280 && mode->vdisplay == 960 && mode->clock == 102081) ||
+ (mode->hdisplay == 1280 && mode->vdisplay == 800 && mode->clock == 83496) ||
+ (mode->hdisplay == 1280 && mode->vdisplay == 720 && mode->clock == 74440) ||
+ (mode->hdisplay == 1280 && mode->vdisplay == 720 && mode->clock == 74250) ||
+ (mode->hdisplay == 1024 && mode->vdisplay == 768 && mode->clock == 78800) ||
+ (mode->hdisplay == 1024 && mode->vdisplay == 768 && mode->clock == 75000) ||
+ (mode->hdisplay == 1024 && mode->vdisplay == 768 && mode->clock == 81833) ||
+ (mode->hdisplay == 800 && mode->vdisplay == 600 && mode->clock == 48907) ||
+ (mode->hdisplay == 800 && mode->vdisplay == 600 && mode->clock == 40000) ||
+ (mode->hdisplay == 800 && mode->vdisplay == 480 && mode->clock == 32000)) {
+ DRM_DEBUG("OK\n");
+ return MODE_OK;
+ }
+ DRM_DEBUG("BAD\n");
+ return MODE_BAD;
+}
+
+static enum drm_mode_status
+dsi_encoder_mode_valid(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode)
+
+{
+ struct drm_crtc *crtc = NULL;
+ struct drm_display_mode adj_mode;
+ enum drm_mode_status ret;
+
+ /*
+ * The crtc might adjust the mode, so go through the
+ * possible crtcs (technically just one) and call
+ * mode_fixup to figure out the adjusted mode before we
+ * validate it.
+ */
+ drm_for_each_crtc(crtc, encoder->dev) {
+ /*
+ * reset adj_mode to the mode value each time,
+ * so we don't adjust the mode twice
+ */
+ drm_mode_copy(&adj_mode, mode);
+
+ #if 0
+ /* XXX - skip this as we're just using a whitelist */
+ crtc_funcs = crtc->helper_private;
+ if (crtc_funcs && crtc_funcs->mode_fixup)
+ if (!crtc_funcs->mode_fixup(crtc, mode, &adj_mode))
+ return MODE_BAD;
+ #endif
+ ret = dsi_encoder_phy_mode_valid(encoder, &adj_mode);
+ if (ret != MODE_OK)
+ return ret;
+ }
+ return MODE_OK;
+}
+
+static void get_dsi_phy_ctrl(struct dw_dsi *dsi,
+ struct mipi_phy_params *phy_ctrl)
+{
+ struct mipi_panel_info *mipi = NULL;
+ struct drm_display_mode *mode = NULL;
+ u32 dphy_req_kHz;
+ int bpp;
+ u32 id = 0;
+ u32 ui = 0;
+ u32 m_pll = 0;
+ u32 n_pll = 0;
+ u32 m_n_fract = 0;
+ u32 m_n_int = 0;
+ u64 lane_clock = 0;
+ u64 vco_div = 1;
+
+ u32 accuracy = 0;
+ u32 unit_tx_byte_clk_hs = 0;
+ u32 clk_post = 0;
+ u32 clk_pre = 0;
+ u32 clk_t_hs_exit = 0;
+ u32 clk_pre_delay = 0;
+ u32 clk_t_hs_prepare = 0;
+ u32 clk_t_lpx = 0;
+ u32 clk_t_hs_zero = 0;
+ u32 clk_t_hs_trial = 0;
+ u32 data_post_delay = 0;
+ u32 data_t_hs_prepare = 0;
+ u32 data_t_hs_zero = 0;
+ u32 data_t_hs_trial = 0;
+ u32 data_t_lpx = 0;
+ u32 clk_pre_delay_reality = 0;
+ u32 clk_t_hs_zero_reality = 0;
+ u32 clk_post_delay_reality = 0;
+ u32 data_t_hs_zero_reality = 0;
+ u32 data_post_delay_reality = 0;
+ u32 data_pre_delay_reality = 0;
+
+ WARN_ON(!phy_ctrl);
+ WARN_ON(!dsi);
+
+ id = dsi->cur_client;
+ mode = &dsi->cur_mode;
+ mipi = &dsi->mipi;
+
+ /*
+ * count phy params
+ */
+ bpp = mipi_dsi_pixel_format_to_bpp(dsi->client[id].format);
+ if (bpp < 0)
+ return;
+ if (mode->clock > 80000)
+ dsi->client[id].lanes = 4;
+ else
+ dsi->client[id].lanes = 3;
+ if (dsi->client[id].phy_clock)
+ dphy_req_kHz = dsi->client[id].phy_clock;
+ else
+ dphy_req_kHz = mode->clock * bpp / dsi->client[id].lanes;
+
+ lane_clock = dphy_req_kHz / 1000;
+ DRM_DEBUG("Expected : lane_clock = %llu M\n", lane_clock);
+
+ /************************ PLL parameters config *********************/
+ /*
+ * chip spec :
+ * If the output data rate is below 320 Mbps,
+ * RG_BNAD_SEL should be set to 1.
+ * At this mode a post divider of 1/4 will be applied to VCO.
+ */
+ if (lane_clock >= 320 && lane_clock <= 2500) {
+ phy_ctrl->rg_band_sel = 0; /*0x1E[2]*/
+ vco_div = 1;
+ } else if (lane_clock >= 80 && lane_clock < 320) {
+ phy_ctrl->rg_band_sel = 1;
+ vco_div = 4;
+ } else {
+ DRM_ERROR("80M <= lane_clock< = 2500M, not support lane_clock = %llu M\n",
+ lane_clock);
+ }
+
+ m_n_int = lane_clock * vco_div * 1000000UL / DEFAULT_MIPI_CLK_RATE;
+ m_n_fract = ((lane_clock * vco_div * 1000000UL * 1000UL /
+ DEFAULT_MIPI_CLK_RATE) %
+ 1000) *
+ 10 / 1000;
+
+ if (m_n_int % 2 == 0) {
+ if (m_n_fract * 6 >= 50) {
+ n_pll = 2;
+ m_pll = (m_n_int + 1) * n_pll;
+ } else if (m_n_fract * 6 >= 30) {
+ n_pll = 3;
+ m_pll = m_n_int * n_pll + 2;
+ } else {
+ n_pll = 1;
+ m_pll = m_n_int * n_pll;
+ }
+ } else {
+ if (m_n_fract * 6 >= 50) {
+ n_pll = 1;
+ m_pll = (m_n_int + 1) * n_pll;
+ } else if (m_n_fract * 6 >= 30) {
+ n_pll = 1;
+ m_pll = (m_n_int + 1) * n_pll;
+ } else if (m_n_fract * 6 >= 10) {
+ n_pll = 3;
+ m_pll = m_n_int * n_pll + 1;
+ } else {
+ n_pll = 2;
+ m_pll = m_n_int * n_pll;
+ }
+ }
+
+ /*if set rg_pll_enswc=1, pll_fbd_s can't be 0*/
+ if (m_pll <= 8) {
+ phy_ctrl->pll_fbd_s = 1;
+ phy_ctrl->rg_pll_enswc = 0;
+
+ if (m_pll % 2 == 0) {
+ phy_ctrl->pll_fbd_p = m_pll / 2;
+ } else {
+ if (n_pll == 1) {
+ n_pll *= 2;
+ phy_ctrl->pll_fbd_p = (m_pll * 2) / 2;
+ } else {
+ DRM_ERROR("phy m_pll not support!m_pll = %d\n",
+ m_pll);
+ return;
+ }
+ }
+ } else if (m_pll <= 300) {
+ if (m_pll % 2 == 0)
+ phy_ctrl->rg_pll_enswc = 0;
+ else
+ phy_ctrl->rg_pll_enswc = 1;
+
+ phy_ctrl->pll_fbd_s = 1;
+ phy_ctrl->pll_fbd_p = m_pll / 2;
+ } else if (m_pll <= 315) {
+ phy_ctrl->pll_fbd_p = 150;
+ phy_ctrl->pll_fbd_s = m_pll - 2 * phy_ctrl->pll_fbd_p;
+ phy_ctrl->rg_pll_enswc = 1;
+ } else {
+ DRM_ERROR("phy m_pll not support!m_pll = %d\n", m_pll);
+ return;
+ }
+
+ phy_ctrl->pll_pre_p = n_pll;
+
+ lane_clock = m_pll * (DEFAULT_MIPI_CLK_RATE / n_pll) / vco_div;
+ DRM_DEBUG("Config : lane_clock = %llu\n", lane_clock);
+
+ /*FIXME :*/
+ phy_ctrl->rg_pll_cp = 1; /*0x16[7:5]*/
+ phy_ctrl->rg_pll_cp_p = 3; /*0x1E[7:5]*/
+
+ /*test_code_0x14 other parameters config*/
+ phy_ctrl->pll_enbwt = 0; /*0x14[2]*/
+ phy_ctrl->rg_pll_chp = 0; /*0x14[1:0]*/
+
+ /*test_code_0x16 other parameters config, 0x16[3:2] reserved*/
+ phy_ctrl->pll_lpf_cs = 0; /*0x16[4]*/
+ phy_ctrl->rg_pll_refsel = 1; /*0x16[1:0]*/
+
+ /*test_code_0x1E other parameters config*/
+ phy_ctrl->reload_sel = 1; /*0x1E[4]*/
+ phy_ctrl->rg_phase_gen_en = 1; /*0x1E[3]*/
+ phy_ctrl->pll_power_down = 0; /*0x1E[1]*/
+ phy_ctrl->pll_register_override = 1; /*0x1E[0]*/
+
+ /*HSTX select VCM VREF*/
+ phy_ctrl->rg_vrefsel_vcm = 0x55;
+ if (mipi->rg_vrefsel_vcm_clk_adjust != 0)
+ phy_ctrl->rg_vrefsel_vcm = (phy_ctrl->rg_vrefsel_vcm & 0x0F) |
+ ((mipi->rg_vrefsel_vcm_clk_adjust & 0x0F) << 4);
+
+ if (mipi->rg_vrefsel_vcm_data_adjust != 0)
+ phy_ctrl->rg_vrefsel_vcm = (phy_ctrl->rg_vrefsel_vcm & 0xF0) |
+ (mipi->rg_vrefsel_vcm_data_adjust & 0x0F);
+
+ /*if reload_sel = 1, need to set load_command*/
+ phy_ctrl->load_command = 0x5A;
+
+ /******************** clock/data lane parameters config ******************/
+ accuracy = 10;
+ ui = 10 * 1000000000UL * accuracy / lane_clock;
+ /*unit of measurement*/
+ unit_tx_byte_clk_hs = 8 * ui;
+
+ /* D-PHY Specification : 60ns + 52*UI <= clk_post*/
+ clk_post = 600 * accuracy + 52 * ui + mipi->clk_post_adjust * ui;
+
+ /* D-PHY Specification : clk_pre >= 8*UI*/
+ clk_pre = 8 * ui + mipi->clk_pre_adjust * ui;
+
+ /* D-PHY Specification : clk_t_hs_exit >= 100ns*/
+ clk_t_hs_exit = 1000 * accuracy + mipi->clk_t_hs_exit_adjust * ui;
+
+ /* clocked by TXBYTECLKHS*/
+ clk_pre_delay = 0 + mipi->clk_pre_delay_adjust * ui;
+
+ /* D-PHY Specification : clk_t_hs_trial >= 60ns*/
+ /* clocked by TXBYTECLKHS*/
+ clk_t_hs_trial = 600 * accuracy + 3 * unit_tx_byte_clk_hs +
+ mipi->clk_t_hs_trial_adjust * ui;
+
+ /* D-PHY Specification : 38ns <= clk_t_hs_prepare <= 95ns*/
+ /* clocked by TXBYTECLKHS*/
+ if (mipi->clk_t_hs_prepare_adjust == 0)
+ mipi->clk_t_hs_prepare_adjust = 43;
+
+ clk_t_hs_prepare =
+ ((380 * accuracy + mipi->clk_t_hs_prepare_adjust * ui) <=
+ (950 * accuracy - 8 * ui)) ?
+ (380 * accuracy + mipi->clk_t_hs_prepare_adjust * ui) :
+ (950 * accuracy - 8 * ui);
+
+ /* clocked by TXBYTECLKHS*/
+ data_post_delay = 0 + mipi->data_post_delay_adjust * ui;
+
+ /* D-PHY Specification : data_t_hs_trial >= max( n*8*UI, 60ns + n*4*UI ), n = 1*/
+ /* clocked by TXBYTECLKHS*/
+ data_t_hs_trial = ((600 * accuracy + 4 * ui) >= (8 * ui) ?
+ (600 * accuracy + 4 * ui) :
+ (8 * ui)) +
+ 8 * ui + 3 * unit_tx_byte_clk_hs +
+ mipi->data_t_hs_trial_adjust * ui;
+
+ /* D-PHY Specification : 40ns + 4*UI <= data_t_hs_prepare <= 85ns + 6*UI*/
+ /* clocked by TXBYTECLKHS*/
+ if (mipi->data_t_hs_prepare_adjust == 0)
+ mipi->data_t_hs_prepare_adjust = 35;
+
+ data_t_hs_prepare = ((400 * accuracy + 4 * ui +
+ mipi->data_t_hs_prepare_adjust * ui) <=
+ (850 * accuracy + 6 * ui - 8 * ui)) ?
+ (400 * accuracy + 4 * ui +
+ mipi->data_t_hs_prepare_adjust * ui) :
+ (850 * accuracy + 6 * ui - 8 * ui);
+
+ /* D-PHY chip spec : clk_t_lpx + clk_t_hs_prepare > 200ns*/
+ /* D-PHY Specification : clk_t_lpx >= 50ns*/
+ /* clocked by TXBYTECLKHS*/
+ clk_t_lpx = (((2000 * accuracy - clk_t_hs_prepare) >= 500 * accuracy) ?
+ ((2000 * accuracy - clk_t_hs_prepare)) :
+ (500 * accuracy)) +
+ mipi->clk_t_lpx_adjust * ui;
+
+ /* D-PHY Specification : clk_t_hs_zero + clk_t_hs_prepare >= 300 ns*/
+ /* clocked by TXBYTECLKHS*/
+ clk_t_hs_zero = 3000 * accuracy - clk_t_hs_prepare +
+ 3 * unit_tx_byte_clk_hs +
+ mipi->clk_t_hs_zero_adjust * ui;
+
+ /* D-PHY chip spec : data_t_lpx + data_t_hs_prepare > 200ns*/
+ /* D-PHY Specification : data_t_lpx >= 50ns*/
+ /* clocked by TXBYTECLKHS*/
+ data_t_lpx =
+ clk_t_lpx + mipi->data_t_lpx_adjust *
+ ui; /*2000 * accuracy - data_t_hs_prepare;*/
+
+ /* D-PHY Specification : data_t_hs_zero + data_t_hs_prepare >= 145ns + 10*UI*/
+ /* clocked by TXBYTECLKHS*/
+ data_t_hs_zero = 1450 * accuracy + 10 * ui - data_t_hs_prepare +
+ 3 * unit_tx_byte_clk_hs +
+ mipi->data_t_hs_zero_adjust * ui;
+
+ phy_ctrl->clk_pre_delay = DIV_ROUND_UP(clk_pre_delay, unit_tx_byte_clk_hs);
+ phy_ctrl->clk_t_hs_prepare =
+ DIV_ROUND_UP(clk_t_hs_prepare, unit_tx_byte_clk_hs);
+ phy_ctrl->clk_t_lpx = DIV_ROUND_UP(clk_t_lpx, unit_tx_byte_clk_hs);
+ phy_ctrl->clk_t_hs_zero = DIV_ROUND_UP(clk_t_hs_zero, unit_tx_byte_clk_hs);
+ phy_ctrl->clk_t_hs_trial = DIV_ROUND_UP(clk_t_hs_trial, unit_tx_byte_clk_hs);
+
+ phy_ctrl->data_post_delay =
+ DIV_ROUND_UP(data_post_delay, unit_tx_byte_clk_hs);
+ phy_ctrl->data_t_hs_prepare =
+ DIV_ROUND_UP(data_t_hs_prepare, unit_tx_byte_clk_hs);
+ phy_ctrl->data_t_lpx = DIV_ROUND_UP(data_t_lpx, unit_tx_byte_clk_hs);
+ phy_ctrl->data_t_hs_zero = DIV_ROUND_UP(data_t_hs_zero, unit_tx_byte_clk_hs);
+ phy_ctrl->data_t_hs_trial =
+ DIV_ROUND_UP(data_t_hs_trial, unit_tx_byte_clk_hs);
+ phy_ctrl->data_t_ta_go = 4;
+ phy_ctrl->data_t_ta_get = 5;
+
+ clk_pre_delay_reality = phy_ctrl->clk_pre_delay + 2;
+ clk_t_hs_zero_reality = phy_ctrl->clk_t_hs_zero + 8;
+ data_t_hs_zero_reality = phy_ctrl->data_t_hs_zero + 4;
+ data_post_delay_reality = phy_ctrl->data_post_delay + 4;
+
+ phy_ctrl->clk_post_delay = phy_ctrl->data_t_hs_trial +
+ DIV_ROUND_UP(clk_post, unit_tx_byte_clk_hs);
+ phy_ctrl->data_pre_delay = clk_pre_delay_reality + phy_ctrl->clk_t_lpx +
+ phy_ctrl->clk_t_hs_prepare +
+ clk_t_hs_zero_reality +
+ DIV_ROUND_UP(clk_pre, unit_tx_byte_clk_hs);
+
+ clk_post_delay_reality = phy_ctrl->clk_post_delay + 4;
+ data_pre_delay_reality = phy_ctrl->data_pre_delay + 2;
+
+ phy_ctrl->clk_lane_lp2hs_time =
+ clk_pre_delay_reality + phy_ctrl->clk_t_lpx +
+ phy_ctrl->clk_t_hs_prepare + clk_t_hs_zero_reality + 3;
+ phy_ctrl->clk_lane_hs2lp_time =
+ clk_post_delay_reality + phy_ctrl->clk_t_hs_trial + 3;
+ phy_ctrl->data_lane_lp2hs_time =
+ data_pre_delay_reality + phy_ctrl->data_t_lpx +
+ phy_ctrl->data_t_hs_prepare + data_t_hs_zero_reality + 3;
+ phy_ctrl->data_lane_hs2lp_time =
+ data_post_delay_reality + phy_ctrl->data_t_hs_trial + 3;
+ phy_ctrl->phy_stop_wait_time =
+ clk_post_delay_reality + phy_ctrl->clk_t_hs_trial +
+ DIV_ROUND_UP(clk_t_hs_exit, unit_tx_byte_clk_hs) -
+ (data_post_delay_reality + phy_ctrl->data_t_hs_trial) + 3;
+
+ phy_ctrl->lane_byte_clk = lane_clock / 8;
+ phy_ctrl->clk_division =
+ (((phy_ctrl->lane_byte_clk / 2) % mipi->max_tx_esc_clk) > 0) ?
+ (phy_ctrl->lane_byte_clk / 2 / mipi->max_tx_esc_clk +
+ 1) :
+ (phy_ctrl->lane_byte_clk / 2 / mipi->max_tx_esc_clk);
+
+ DRM_DEBUG("PHY clock_lane and data_lane config :\n"
+ "rg_vrefsel_vcm=%u\n"
+ "clk_pre_delay=%u\n"
+ "clk_post_delay=%u\n"
+ "clk_t_hs_prepare=%u\n"
+ "clk_t_lpx=%u\n"
+ "clk_t_hs_zero=%u\n"
+ "clk_t_hs_trial=%u\n"
+ "data_pre_delay=%u\n"
+ "data_post_delay=%u\n"
+ "data_t_hs_prepare=%u\n"
+ "data_t_lpx=%u\n"
+ "data_t_hs_zero=%u\n"
+ "data_t_hs_trial=%u\n"
+ "data_t_ta_go=%u\n"
+ "data_t_ta_get=%u\n",
+ phy_ctrl->rg_vrefsel_vcm, phy_ctrl->clk_pre_delay,
+ phy_ctrl->clk_post_delay, phy_ctrl->clk_t_hs_prepare,
+ phy_ctrl->clk_t_lpx, phy_ctrl->clk_t_hs_zero,
+ phy_ctrl->clk_t_hs_trial, phy_ctrl->data_pre_delay,
+ phy_ctrl->data_post_delay, phy_ctrl->data_t_hs_prepare,
+ phy_ctrl->data_t_lpx, phy_ctrl->data_t_hs_zero,
+ phy_ctrl->data_t_hs_trial, phy_ctrl->data_t_ta_go,
+ phy_ctrl->data_t_ta_get);
+ DRM_DEBUG("clk_lane_lp2hs_time=%u\n"
+ "clk_lane_hs2lp_time=%u\n"
+ "data_lane_lp2hs_time=%u\n"
+ "data_lane_hs2lp_time=%u\n"
+ "phy_stop_wait_time=%u\n",
+ phy_ctrl->clk_lane_lp2hs_time, phy_ctrl->clk_lane_hs2lp_time,
+ phy_ctrl->data_lane_lp2hs_time, phy_ctrl->data_lane_hs2lp_time,
+ phy_ctrl->phy_stop_wait_time);
+}
+
+static void dsi_set_burst_mode(void __iomem *base, unsigned long flags)
+{
+ u32 val;
+ u32 mode_mask = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+ u32 non_burst_sync_pulse =
+ MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+ u32 non_burst_sync_event = MIPI_DSI_MODE_VIDEO;
+
+ /*
+ * choose video mode type
+ */
+ if ((flags & mode_mask) == non_burst_sync_pulse)
+ val = DSI_NON_BURST_SYNC_PULSES;
+ else if ((flags & mode_mask) == non_burst_sync_event)
+ val = DSI_NON_BURST_SYNC_EVENTS;
+ else
+ val = DSI_BURST_SYNC_PULSES_1;
+
+ set_reg(base + MIPIDSI_VID_MODE_CFG_OFFSET, val, 2, 0);
+}
+
+/*
+ * dsi phy reg write function
+ */
+static void dsi_phy_tst_set(void __iomem *base, u32 reg, u32 val)
+{
+ u32 reg_write = 0x10000 + reg;
+
+ /*
+ * latch reg first
+ */
+ writel(reg_write, base + MIPIDSI_PHY_TST_CTRL1_OFFSET);
+ writel(0x02, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+ writel(0x00, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+
+ /*
+ * then latch value
+ */
+ writel(val, base + MIPIDSI_PHY_TST_CTRL1_OFFSET);
+ writel(0x02, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+ writel(0x00, base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+}
+
+static void dsi_mipi_init(struct dw_dsi *dsi, char __iomem *mipi_dsi_base)
+{
+ u32 hline_time = 0;
+ u32 hsa_time = 0;
+ u32 hbp_time = 0;
+ u64 pixel_clk = 0;
+ u32 i = 0;
+ u32 id = 0;
+ unsigned long dw_jiffies = 0;
+ u32 tmp = 0;
+ bool is_ready = false;
+ struct mipi_panel_info *mipi = NULL;
+ struct dss_rect rect;
+ u32 cmp_stopstate_val = 0;
+ u32 lanes;
+
+ WARN_ON(!dsi);
+ WARN_ON(!mipi_dsi_base);
+
+ id = dsi->cur_client;
+ mipi = &dsi->mipi;
+
+ if (mipi->max_tx_esc_clk == 0) {
+ DRM_ERROR("max_tx_esc_clk is invalid!");
+ mipi->max_tx_esc_clk = DEFAULT_MAX_TX_ESC_CLK;
+ }
+
+ memset(&dsi->phy, 0, sizeof(struct mipi_phy_params));
+ get_dsi_phy_ctrl(dsi, &dsi->phy);
+
+ rect.x = 0;
+ rect.y = 0;
+ rect.w = dsi->cur_mode.hdisplay;
+ rect.h = dsi->cur_mode.vdisplay;
+ lanes = dsi->client[id].lanes - 1;
+ /***************Configure the DPHY start**************/
+
+ set_reg(mipi_dsi_base + MIPIDSI_PHY_IF_CFG_OFFSET, lanes, 2, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_CLKMGR_CFG_OFFSET,
+ dsi->phy.clk_division, 8, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_CLKMGR_CFG_OFFSET,
+ dsi->phy.clk_division, 8, 8);
+
+ writel(0x00000000, mipi_dsi_base + MIPIDSI_PHY_RSTZ_OFFSET);
+
+ writel(0x00000000, mipi_dsi_base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+ writel(0x00000001, mipi_dsi_base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+ writel(0x00000000, mipi_dsi_base + MIPIDSI_PHY_TST_CTRL0_OFFSET);
+
+ /* physical configuration PLL I*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x14, (dsi->phy.pll_fbd_s << 4) +
+ (dsi->phy.rg_pll_enswc << 3) +
+ (dsi->phy.pll_enbwt << 2) +
+ dsi->phy.rg_pll_chp);
+
+ /* physical configuration PLL II, M*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x15, dsi->phy.pll_fbd_p);
+
+ /* physical configuration PLL III*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x16, (dsi->phy.rg_pll_cp << 5) +
+ (dsi->phy.pll_lpf_cs << 4) +
+ dsi->phy.rg_pll_refsel);
+
+ /* physical configuration PLL IV, N*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x17, dsi->phy.pll_pre_p);
+
+ /* sets the analog characteristic of V reference in D-PHY TX*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x1D, dsi->phy.rg_vrefsel_vcm);
+
+ /* MISC AFE Configuration*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x1E, (dsi->phy.rg_pll_cp_p << 5) +
+ (dsi->phy.reload_sel << 4) +
+ (dsi->phy.rg_phase_gen_en << 3) +
+ (dsi->phy.rg_band_sel << 2) +
+ (dsi->phy.pll_power_down << 1) +
+ dsi->phy.pll_register_override);
+
+ /*reload_command*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x1F, dsi->phy.load_command);
+
+ /* pre_delay of clock lane request setting*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x20,
+ DSS_REDUCE(dsi->phy.clk_pre_delay));
+
+ /* post_delay of clock lane request setting*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x21,
+ DSS_REDUCE(dsi->phy.clk_post_delay));
+
+ /* clock lane timing ctrl - t_lpx*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x22, DSS_REDUCE(dsi->phy.clk_t_lpx));
+
+ /* clock lane timing ctrl - t_hs_prepare*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x23,
+ DSS_REDUCE(dsi->phy.clk_t_hs_prepare));
+
+ /* clock lane timing ctrl - t_hs_zero*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x24,
+ DSS_REDUCE(dsi->phy.clk_t_hs_zero));
+
+ /* clock lane timing ctrl - t_hs_trial*/
+ dsi_phy_tst_set(mipi_dsi_base, 0x25, dsi->phy.clk_t_hs_trial);
+
+ for (i = 0; i <= lanes; i++) {
+ /* data lane pre_delay*/
+ tmp = 0x30 + (i << 4);
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_pre_delay));
+
+ /*data lane post_delay*/
+ tmp = 0x31 + (i << 4);
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_post_delay));
+
+ /* data lane timing ctrl - t_lpx*/
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_t_lpx));
+
+ /* data lane timing ctrl - t_hs_prepare*/
+ tmp = 0x33 + (i << 4);
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_t_hs_prepare));
+
+ /* data lane timing ctrl - t_hs_zero*/
+ tmp = 0x34 + (i << 4);
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_t_hs_zero));
+
+ /* data lane timing ctrl - t_hs_trial*/
+ tmp = 0x35 + (i << 4);
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_t_hs_trial));
+
+ /* data lane timing ctrl - t_ta_go*/
+ tmp = 0x36 + (i << 4);
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_t_ta_go));
+
+ /* data lane timing ctrl - t_ta_get*/
+ tmp = 0x37 + (i << 4);
+ dsi_phy_tst_set(mipi_dsi_base, tmp,
+ DSS_REDUCE(dsi->phy.data_t_ta_get));
+ }
+
+ writel(0x00000007, mipi_dsi_base + MIPIDSI_PHY_RSTZ_OFFSET);
+
+ is_ready = false;
+ dw_jiffies = jiffies + HZ / 2;
+ do {
+ tmp = readl(mipi_dsi_base + MIPIDSI_PHY_STATUS_OFFSET);
+ if ((tmp & 0x00000001) == 0x00000001) {
+ is_ready = true;
+ break;
+ }
+ } while (time_after(dw_jiffies, jiffies));
+
+ if (!is_ready)
+ DRM_ERROR("phylock is not ready!MIPIDSI_PHY_STATUS_OFFSET=0x%x.\n",
+ tmp);
+
+ if (lanes >= DSI_4_LANES)
+ cmp_stopstate_val = (BIT(4) | BIT(7) | BIT(9) | BIT(11));
+ else if (lanes >= DSI_3_LANES)
+ cmp_stopstate_val = (BIT(4) | BIT(7) | BIT(9));
+ else if (lanes >= DSI_2_LANES)
+ cmp_stopstate_val = (BIT(4) | BIT(7));
+ else
+ cmp_stopstate_val = (BIT(4));
+
+ is_ready = false;
+ dw_jiffies = jiffies + HZ / 2;
+ do {
+ tmp = readl(mipi_dsi_base + MIPIDSI_PHY_STATUS_OFFSET);
+ if ((tmp & cmp_stopstate_val) == cmp_stopstate_val) {
+ is_ready = true;
+ break;
+ }
+ } while (time_after(dw_jiffies, jiffies));
+
+ if (!is_ready)
+ DRM_ERROR("phystopstateclklane is not ready! MIPIDSI_PHY_STATUS_OFFSET=0x%x.\n",
+ tmp);
+
+ /*************************Configure the DPHY end*************************/
+
+ /* phy_stop_wait_time*/
+ set_reg(mipi_dsi_base + MIPIDSI_PHY_IF_CFG_OFFSET,
+ dsi->phy.phy_stop_wait_time, 8, 8);
+
+ /*--------------configuring the DPI packet transmission----------------*/
+ /*
+ * 2. Configure the DPI Interface:
+ * This defines how the DPI interface interacts with the controller.
+ */
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_VCID_OFFSET, mipi->vc, 2, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_COLOR_CODING_OFFSET,
+ mipi->color_mode, 4, 0);
+
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET,
+ dsi->ldi.data_en_plr, 1, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, dsi->ldi.vsync_plr,
+ 1, 1);
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, dsi->ldi.hsync_plr,
+ 1, 2);
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, 0x0, 1, 3);
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_CFG_POL_OFFSET, 0x0, 1, 4);
+
+ /*
+ * 3. Select the Video Transmission Mode:
+ * This defines how the processor requires the video line to be
+ * transported through the DSI link.
+ */
+ /* video mode: low power mode*/
+ set_reg(mipi_dsi_base + MIPIDSI_VID_MODE_CFG_OFFSET, 0x3f, 6, 8);
+ /* set_reg(mipi_dsi_base + MIPIDSI_VID_MODE_CFG_OFFSET, 0x0, 1, 14); */
+
+ /* TODO: fix blank display bug when set backlight*/
+ set_reg(mipi_dsi_base + MIPIDSI_DPI_LP_CMD_TIM_OFFSET, 0x4, 8, 16);
+ /* video mode: send read cmd by lp mode*/
+ set_reg(mipi_dsi_base + MIPIDSI_VID_MODE_CFG_OFFSET, 0x1, 1, 15);
+
+ set_reg(mipi_dsi_base + MIPIDSI_VID_PKT_SIZE_OFFSET, rect.w, 14, 0);
+
+ /* burst mode*/
+ dsi_set_burst_mode(mipi_dsi_base, dsi->client[id].mode_flags);
+ /* for dsi read, BTA enable*/
+ set_reg(mipi_dsi_base + MIPIDSI_PCKHDL_CFG_OFFSET, 0x1, 1, 2);
+
+ /*
+ * 4. Define the DPI Horizontal timing configuration:
+ *
+ * Hsa_time = HSA*(PCLK period/Clk Lane Byte Period);
+ * Hbp_time = HBP*(PCLK period/Clk Lane Byte Period);
+ * Hline_time = (HSA+HBP+HACT+HFP)*(PCLK period/Clk Lane Byte Period);
+ */
+ pixel_clk = dsi->cur_mode.clock * 1000;
+ /*htot = dsi->cur_mode.htotal;*/
+ /*vtot = dsi->cur_mode.vtotal;*/
+ dsi->ldi.h_front_porch =
+ dsi->cur_mode.hsync_start - dsi->cur_mode.hdisplay;
+ dsi->ldi.h_back_porch = dsi->cur_mode.htotal - dsi->cur_mode.hsync_end;
+ dsi->ldi.h_pulse_width =
+ dsi->cur_mode.hsync_end - dsi->cur_mode.hsync_start;
+ dsi->ldi.v_front_porch =
+ dsi->cur_mode.vsync_start - dsi->cur_mode.vdisplay;
+ dsi->ldi.v_back_porch = dsi->cur_mode.vtotal - dsi->cur_mode.vsync_end;
+ dsi->ldi.v_pulse_width =
+ dsi->cur_mode.vsync_end - dsi->cur_mode.vsync_start;
+ if (dsi->ldi.v_pulse_width > 15) {
+ DRM_DEBUG_DRIVER("vsw exceeded 15\n");
+ dsi->ldi.v_pulse_width = 15;
+ }
+ hsa_time = dsi->ldi.h_pulse_width * dsi->phy.lane_byte_clk / pixel_clk;
+ hbp_time = dsi->ldi.h_back_porch * dsi->phy.lane_byte_clk / pixel_clk;
+ hline_time = DIV_ROUND_UP((dsi->ldi.h_pulse_width + dsi->ldi.h_back_porch +
+ rect.w + dsi->ldi.h_front_porch) *
+ dsi->phy.lane_byte_clk,
+ pixel_clk);
+
+ DRM_DEBUG("hsa_time=%d, hbp_time=%d, hline_time=%d\n", hsa_time,
+ hbp_time, hline_time);
+ DRM_DEBUG("lane_byte_clk=%llu, pixel_clk=%llu\n", dsi->phy.lane_byte_clk,
+ pixel_clk);
+ set_reg(mipi_dsi_base + MIPIDSI_VID_HSA_TIME_OFFSET, hsa_time, 12, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_VID_HBP_TIME_OFFSET, hbp_time, 12, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_VID_HLINE_TIME_OFFSET, hline_time, 15,
+ 0);
+
+ /* Define the Vertical line configuration*/
+ set_reg(mipi_dsi_base + MIPIDSI_VID_VSA_LINES_OFFSET,
+ dsi->ldi.v_pulse_width, 10, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_VID_VBP_LINES_OFFSET,
+ dsi->ldi.v_back_porch, 10, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_VID_VFP_LINES_OFFSET,
+ dsi->ldi.v_front_porch, 10, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_VID_VACTIVE_LINES_OFFSET, rect.h, 14,
+ 0);
+ set_reg(mipi_dsi_base + MIPIDSI_TO_CNT_CFG_OFFSET, 0x7FF, 16, 0);
+
+ /* Configure core's phy parameters*/
+ set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_LPCLK_CFG_OFFSET,
+ dsi->phy.clk_lane_lp2hs_time, 10, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_LPCLK_CFG_OFFSET,
+ dsi->phy.clk_lane_hs2lp_time, 10, 16);
+
+ set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_RD_CFG_OFFSET, 0x7FFF, 15, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_CFG_OFFSET,
+ dsi->phy.data_lane_lp2hs_time, 10, 0);
+ set_reg(mipi_dsi_base + MIPIDSI_PHY_TMR_CFG_OFFSET,
+ dsi->phy.data_lane_hs2lp_time, 10, 16);
+
+ /* Waking up Core*/
+ set_reg(mipi_dsi_base + MIPIDSI_PWR_UP_OFFSET, 0x1, 1, 0);
+}
+
+static int mipi_dsi_on_sub1(struct dw_dsi *dsi, char __iomem *mipi_dsi_base)
+{
+ /* mipi init */
+ dsi_mipi_init(dsi, mipi_dsi_base);
+ DRM_DEBUG("dsi_mipi_init ok\n");
+ /* switch to cmd mode */
+ set_reg(mipi_dsi_base + MIPIDSI_MODE_CFG_OFFSET, 0x1, 1, 0);
+ /* cmd mode: low power mode */
+ set_reg(mipi_dsi_base + MIPIDSI_CMD_MODE_CFG_OFFSET, 0x7f, 7, 8);
+ set_reg(mipi_dsi_base + MIPIDSI_CMD_MODE_CFG_OFFSET, 0xf, 4, 16);
+ set_reg(mipi_dsi_base + MIPIDSI_CMD_MODE_CFG_OFFSET, 0x1, 1, 24);
+ /* disable generate High Speed clock */
+ /* delete? */
+ set_reg(mipi_dsi_base + MIPIDSI_LPCLK_CTRL_OFFSET, 0x0, 1, 0);
+
+ return 0;
+}
+
+static int mipi_dsi_on_sub2(struct dw_dsi *dsi, char __iomem *mipi_dsi_base)
+{
+ /* switch to video mode */
+ set_reg(mipi_dsi_base + MIPIDSI_MODE_CFG_OFFSET, 0x0, 1, 0);
+
+ /* enable EOTP TX */
+ set_reg(mipi_dsi_base + MIPIDSI_PCKHDL_CFG_OFFSET, 0x1, 1, 0);
+
+ /* enable generate High Speed clock, continue clock */
+ set_reg(mipi_dsi_base + MIPIDSI_LPCLK_CTRL_OFFSET, 0x1, 2, 0);
+
+ return 0;
+}
+
+static void dsi_encoder_enable_sub(struct drm_encoder *encoder)
+{
+ struct dw_dsi *dsi = encoder_to_dsi(encoder);
+ struct dsi_hw_ctx *ctx = dsi->ctx;
+ int ret;
+
+ if (dsi->enable)
+ return;
+
+ ret = clk_prepare_enable(ctx->dss_dphy0_ref_clk);
+ if (ret) {
+ DRM_ERROR("fail to enable dss_dphy0_ref_clk: %d\n", ret);
+ return;
+ }
+
+ ret = clk_prepare_enable(ctx->dss_dphy0_cfg_clk);
+ if (ret) {
+ DRM_ERROR("fail to enable dss_dphy0_cfg_clk: %d\n", ret);
+ return;
+ }
+
+ ret = clk_prepare_enable(ctx->dss_pclk_dsi0_clk);
+ if (ret) {
+ DRM_ERROR("fail to enable dss_pclk_dsi0_clk: %d\n", ret);
+ return;
+ }
+
+ mipi_dsi_on_sub1(dsi, ctx->base);
+
+ mipi_dsi_on_sub2(dsi, ctx->base);
+}
+
+static int dsi_host_attach(struct mipi_dsi_host *host,
+ struct mipi_dsi_device *mdsi)
+{
+ struct dw_dsi *dsi = host_to_dsi(host);
+ u32 id = mdsi->channel >= 1 ? OUT_PANEL : OUT_HDMI;
+
+ if (mdsi->lanes < 1 || mdsi->lanes > 4) {
+ DRM_ERROR("dsi device params invalid\n");
+ return -EINVAL;
+ }
+
+ dsi->client[id].lanes = mdsi->lanes;
+ dsi->client[id].format = mdsi->format;
+ dsi->client[id].mode_flags = mdsi->mode_flags;
+ dsi->client[id].phy_clock = 0; //mdsi->phy_clock;
+
+ DRM_DEBUG("host attach, client name=[%s], id=%d\n", mdsi->name, id);
+
+ return 0;
+}
+
+static int dsi_host_detach(struct mipi_dsi_host *host,
+ struct mipi_dsi_device *mdsi)
+{
+ /* do nothing */
+ return 0;
+}
+
+static int dsi_gen_pkt_hdr_write(void __iomem *base, u32 val)
+{
+ u32 status;
+ int ret;
+
+ ret = readx_poll_timeout(readl, base + CMD_PKT_STATUS, status,
+ !(status & GEN_CMD_FULL), 1000,
+ CMD_PKT_STATUS_TIMEOUT_US);
+ if (ret < 0) {
+ DRM_ERROR("failed to get available command FIFO\n");
+ return ret;
+ }
+
+ writel(val, base + GEN_HDR);
+
+ ret = readx_poll_timeout(readl, base + CMD_PKT_STATUS, status,
+ status & (GEN_CMD_EMPTY | GEN_PLD_W_EMPTY),
+ 1000, CMD_PKT_STATUS_TIMEOUT_US);
+ if (ret < 0) {
+ DRM_ERROR("failed to write command FIFO\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int dsi_dcs_short_write(void __iomem *base,
+ const struct mipi_dsi_msg *msg)
+{
+ const u16 *tx_buf = msg->tx_buf;
+ u32 val = GEN_HDATA(*tx_buf) | GEN_HTYPE(msg->type);
+
+ if (msg->tx_len > 2) {
+ DRM_ERROR("too long tx buf length %zu for short write\n",
+ msg->tx_len);
+ return -EINVAL;
+ }
+
+ return dsi_gen_pkt_hdr_write(base, val);
+}
+
+static int dsi_dcs_long_write(void __iomem *base,
+ const struct mipi_dsi_msg *msg)
+{
+ const u32 *tx_buf = msg->tx_buf;
+ int len = msg->tx_len, pld_data_bytes = sizeof(*tx_buf), ret;
+ u32 val = GEN_HDATA(msg->tx_len) | GEN_HTYPE(msg->type);
+ u32 remainder = 0;
+ u32 status;
+
+ if (msg->tx_len < 3) {
+ DRM_ERROR("wrong tx buf length %zu for long write\n",
+ msg->tx_len);
+ return -EINVAL;
+ }
+
+ while (DIV_ROUND_UP(len, pld_data_bytes)) {
+ if (len < pld_data_bytes) {
+ memcpy(&remainder, tx_buf, len);
+ writel(remainder, base + GEN_PLD_DATA);
+ len = 0;
+ } else {
+ writel(*tx_buf, base + GEN_PLD_DATA);
+ tx_buf++;
+ len -= pld_data_bytes;
+ }
+
+ ret = readx_poll_timeout(readl, base + CMD_PKT_STATUS, status,
+ !(status & GEN_PLD_W_FULL), 1000,
+ CMD_PKT_STATUS_TIMEOUT_US);
+ if (ret < 0) {
+ DRM_ERROR("failed to get available write payload FIFO\n");
+ return ret;
+ }
+ }
+
+ return dsi_gen_pkt_hdr_write(base, val);
+}
+
+static ssize_t dsi_host_transfer(struct mipi_dsi_host *host,
+ const struct mipi_dsi_msg *msg)
+{
+ struct dw_dsi *dsi = host_to_dsi(host);
+ struct dsi_hw_ctx *ctx = dsi->ctx;
+ void __iomem *base = ctx->base;
+ int ret;
+
+ switch (msg->type) {
+ case MIPI_DSI_DCS_SHORT_WRITE:
+ case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
+ case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE:
+ ret = dsi_dcs_short_write(base, msg);
+ break;
+ case MIPI_DSI_DCS_LONG_WRITE:
+ ret = dsi_dcs_long_write(base, msg);
+ break;
+ default:
+ DRM_ERROR("unsupported message type\n");
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct mipi_dsi_host_ops dsi_host_ops = {
+ .attach = dsi_host_attach,
+ .detach = dsi_host_detach,
+ .transfer = dsi_host_transfer,
+};
+
+static int dsi_host_init(struct device *dev, struct dw_dsi *dsi)
+{
+ struct mipi_dsi_host *host = &dsi->host;
+ struct mipi_panel_info *mipi = &dsi->mipi;
+ int ret;
+
+ host->dev = dev;
+ host->ops = &dsi_host_ops;
+
+ mipi->max_tx_esc_clk = 10 * 1000000UL;
+ mipi->vc = 0;
+ mipi->color_mode = DSI_24BITS_1;
+ mipi->clk_post_adjust = 120;
+ mipi->clk_pre_adjust = 0;
+ mipi->clk_t_hs_prepare_adjust = 0;
+ mipi->clk_t_lpx_adjust = 0;
+ mipi->clk_t_hs_trial_adjust = 0;
+ mipi->clk_t_hs_exit_adjust = 0;
+ mipi->clk_t_hs_zero_adjust = 0;
+
+ dsi->ldi.data_en_plr = 0;
+ dsi->ldi.vsync_plr = 0;
+ dsi->ldi.hsync_plr = 0;
+
+ ret = mipi_dsi_host_register(host);
+ if (ret) {
+ DRM_ERROR("failed to register dsi host\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int dsi_parse_bridge_endpoint(struct dw_dsi *dsi,
+ struct device_node *endpoint)
+{
+ struct device_node *bridge_node;
+ struct drm_bridge *bridge;
+
+ bridge_node = of_graph_get_remote_port_parent(endpoint);
+ if (!bridge_node) {
+ DRM_ERROR("no valid bridge node\n");
+ return -ENODEV;
+ }
+ of_node_put(bridge_node);
+
+ bridge = of_drm_find_bridge(bridge_node);
+ if (!bridge) {
+ DRM_DEBUG("wait for external HDMI bridge driver.\n");
+ return -EPROBE_DEFER;
+ }
+ dsi->bridge = bridge;
+
+ return 0;
+}
+
+static int dsi_parse_panel_endpoint(struct dw_dsi *dsi,
+ struct device_node *endpoint)
+{
+ struct device_node *panel_node;
+ struct drm_panel *panel;
+
+ panel_node = of_graph_get_remote_port_parent(endpoint);
+ if (!panel_node) {
+ DRM_ERROR("no valid panel node\n");
+ return -ENODEV;
+ }
+ of_node_put(panel_node);
+
+ panel = of_drm_find_panel(panel_node);
+ if (IS_ERR(panel)) {
+ DRM_DEBUG_DRIVER("skip this panel endpoint.\n");
+ return 0;
+ }
+ dsi->panel = panel;
+
+ return 0;
+}
+
+static int dsi_parse_endpoint(struct dw_dsi *dsi, struct device_node *np,
+ enum dsi_output_client client)
+{
+ struct device_node *ep_node;
+ struct of_endpoint ep;
+ int ret = 0;
+
+ if (client == OUT_MAX)
+ return -EINVAL;
+
+ for_each_endpoint_of_node(np, ep_node) {
+ ret = of_graph_parse_endpoint(ep_node, &ep);
+ if (ret) {
+ of_node_put(ep_node);
+ return ret;
+ }
+
+ /* skip dsi input port, port == 0 is input port */
+ if (ep.port == 0)
+ continue;
+
+ /* parse bridge endpoint */
+ if (client == OUT_HDMI) {
+ if (ep.id == 0) {
+ ret = dsi_parse_bridge_endpoint(dsi, ep_node);
+ if (dsi->bridge)
+ break;
+ }
+ } else { /* parse panel endpoint */
+ if (ep.id > 0) {
+ ret = dsi_parse_panel_endpoint(dsi, ep_node);
+ if (dsi->panel)
+ break;
+ }
+ }
+
+ if (ret) {
+ of_node_put(ep_node);
+ return ret;
+ }
+ }
+
+ if (!dsi->bridge && !dsi->panel) {
+ DRM_ERROR("at least one bridge or panel node is required\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi)
+{
+ struct dsi_hw_ctx *ctx = dsi->ctx;
+ int ret = 0;
+ struct device_node *np = pdev->dev.of_node;
+
+ /* parse HDMI bridge endpoint */
+ ret = dsi_parse_endpoint(dsi, np, OUT_HDMI);
+ if (ret)
+ return ret;
+
+ /* parse panel endpoint */
+ ret = dsi_parse_endpoint(dsi, np, OUT_PANEL);
+ if (ret)
+ return ret;
+
+ np = of_find_compatible_node(NULL, NULL, DTS_COMP_DSI_NAME);
+ if (!np) {
+ DRM_ERROR("NOT FOUND device node %s!\n", DTS_COMP_DSI_NAME);
+ return -ENXIO;
+ }
+
+ ctx->base = of_iomap(np, 0);
+ if (!(ctx->base)) {
+ DRM_ERROR("failed to get base resource.\n");
+ return -ENXIO;
+ }
+
+ ctx->peri_crg_base = of_iomap(np, 1);
+ if (!(ctx->peri_crg_base)) {
+ DRM_ERROR("failed to get peri_crg_base resource.\n");
+ return -ENXIO;
+ }
+
+ dsi->gpio_mux = devm_gpiod_get(&pdev->dev, "mux", GPIOD_OUT_HIGH);
+ if (IS_ERR(dsi->gpio_mux))
+ return PTR_ERR(dsi->gpio_mux);
+ /* set dsi default output to panel */
+ dsi->cur_client = OUT_PANEL;
+
+ /*dis-reset*/
+ /*ip_reset_dis_dsi0, ip_reset_dis_dsi1*/
+ writel(0x30000000, ctx->peri_crg_base + PERRSTDIS3);
+
+ ctx->dss_dphy0_ref_clk = devm_clk_get(&pdev->dev, "clk_txdphy0_ref");
+ if (IS_ERR(ctx->dss_dphy0_ref_clk)) {
+ DRM_ERROR("failed to get dss_dphy0_ref_clk clock\n");
+ return PTR_ERR(ctx->dss_dphy0_ref_clk);
+ }
+
+ ret = clk_set_rate(ctx->dss_dphy0_ref_clk, DEFAULT_MIPI_CLK_RATE);
+ if (ret < 0) {
+ DRM_ERROR("dss_dphy0_ref_clk clk_set_rate(%lu) failed, error=%d!\n",
+ DEFAULT_MIPI_CLK_RATE, ret);
+ return -EINVAL;
+ }
+
+ DRM_DEBUG("dss_dphy0_ref_clk:[%lu]->[%lu].\n", DEFAULT_MIPI_CLK_RATE,
+ clk_get_rate(ctx->dss_dphy0_ref_clk));
+
+ ctx->dss_dphy0_cfg_clk = devm_clk_get(&pdev->dev, "clk_txdphy0_cfg");
+ if (IS_ERR(ctx->dss_dphy0_cfg_clk)) {
+ DRM_ERROR("failed to get dss_dphy0_cfg_clk clock\n");
+ return PTR_ERR(ctx->dss_dphy0_cfg_clk);
+ }
+
+ ret = clk_set_rate(ctx->dss_dphy0_cfg_clk, DEFAULT_MIPI_CLK_RATE);
+ if (ret < 0) {
+ DRM_ERROR(
+ "dss_dphy0_cfg_clk clk_set_rate(%lu) failed, error=%d!\n",
+ DEFAULT_MIPI_CLK_RATE, ret);
+ return -EINVAL;
+ }
+
+ DRM_DEBUG("dss_dphy0_cfg_clk:[%lu]->[%lu].\n", DEFAULT_MIPI_CLK_RATE,
+ clk_get_rate(ctx->dss_dphy0_cfg_clk));
+
+ ctx->dss_pclk_dsi0_clk = devm_clk_get(&pdev->dev, "pclk_dsi0");
+ if (IS_ERR(ctx->dss_pclk_dsi0_clk)) {
+ DRM_ERROR("failed to get dss_pclk_dsi0_clk clock\n");
+ return PTR_ERR(ctx->dss_pclk_dsi0_clk);
+ }
+
+ return 0;
+}
+
+const struct kirin_dsi_ops kirin_dsi_960 = {
+ .version = KIRIN960_DSI,
+ .parse_dt = dsi_parse_dt,
+ .host_init = dsi_host_init,
+ .encoder_enable = dsi_encoder_enable_sub,
+ .encoder_valid = dsi_encoder_mode_valid
+};
+
+MODULE_DESCRIPTION("DesignWare MIPI DSI Host Controller v1.02 driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
index e2ac098..6d7f2e8 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_ade_reg.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright (c) 2016 Linaro Limited.
- * Copyright (c) 2014-2016 Hisilicon Limited.
+ * Copyright (c) 2016,2019 Linaro Limited.
+ * Copyright (c) 2014-2016,2019 Hisilicon Limited.
*/
#ifndef __KIRIN_ADE_REG_H__
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_dpe_reg.h b/drivers/gpu/drm/hisilicon/kirin/kirin_dpe_reg.h
new file mode 100644
index 0000000..f0ea3ee
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_dpe_reg.h
@@ -0,0 +1,393 @@
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef __KIRIN_DPE_REG_H__
+#define __KIRIN_DPE_REG_H__
+
+#define BIT_MMU_IRPT_NS BIT(28)
+#define BIT_ITF0_INTS BIT(16)
+#define BIT_DPP_INTS BIT(15)
+#define BIT_VACTIVE0_END BIT(8)
+#define BIT_VACTIVE0_START BIT(7)
+#define BIT_VSYNC BIT(4)
+#define BIT_LDI_UNFLOW BIT(2)
+
+#define DFS_TIME (80)
+#define DFS_TIME_MIN (50)
+#define DFS_TIME_MIN_4K (10)
+#define DBUF0_DEPTH (1408)
+#define DBUF_WIDTH_BIT (144)
+#define PERRSTDIS3 (0x088)
+
+#define DPE_GLB0_OFFSET (0x12000)
+#define DPE_DBG_OFFSET (0x11000)
+#define DPE_CMDLIST_OFFSET (0x02000)
+#define DPE_SMMU_OFFSET (0x08000)
+#define DPE_MIF_OFFSET (0x0A000)
+#define DPE_MCTRL_SYS_OFFSET (0x10000)
+#define DPE_MCTRL_CTL0_OFFSET (0x10800)
+#define DPE_RCH_VG0_DMA_OFFSET (0x20000)
+#define DPE_RCH_VG0_SCL_OFFSET (0x20200)
+#define DPE_RCH_VG0_ARSR_OFFSET (0x20300)
+#define DPE_RCH_VG1_DMA_OFFSET (0x28000)
+#define DPE_RCH_VG1_SCL_OFFSET (0x28200)
+#define DPE_RCH_VG2_DMA_OFFSET (0x30000)
+#define DPE_RCH_VG2_SCL_OFFSET (0x30200)
+#define DPE_RCH_G0_DMA_OFFSET (0x38000)
+#define DPE_RCH_G0_SCL_OFFSET (0x38200)
+#define DPE_RCH_G1_DMA_OFFSET (0x40000)
+#define DPE_RCH_G1_SCL_OFFSET (0x40200)
+#define DPE_RCH_D2_DMA_OFFSET (0x50000)
+#define DPE_RCH_D3_DMA_OFFSET (0x51000)
+#define DPE_RCH_D0_DMA_OFFSET (0x52000)
+#define DPE_RCH_D0_DFC_OFFSET (0x52100)
+#define DPE_RCH_D1_DMA_OFFSET (0x53000)
+#define DPE_WCH0_DMA_OFFSET (0x5A000)
+#define DPE_WCH1_DMA_OFFSET (0x5C000)
+#define DPE_WCH2_DMA_OFFSET (0x5E000)
+#define DPE_WCH2_DFC_OFFSET (0x5E100)
+#define DPE_OVL0_OFFSET (0x60000)
+#define DPE_DBUF0_OFFSET (0x6D000)
+#define DPE_DPP_OFFSET (0x70000)
+#define DPE_DPP_DITHER_OFFSET (0x70200)
+#define DPE_LDI0_OFFSET (0x7D000)
+#define DPE_IFBC_OFFSET (0x7D800)
+#define DPE_DSC_OFFSET (0x7DC00)
+
+#define GLB_CPU_PDP_INTS (DPE_GLB0_OFFSET + 0x224)
+#define GLB_CPU_PDP_INT_MSK (DPE_GLB0_OFFSET + 0x228)
+#define GLB_CPU_SDP_INTS (DPE_GLB0_OFFSET + 0x22C)
+#define GLB_CPU_SDP_INT_MSK (DPE_GLB0_OFFSET + 0x230)
+
+#define DBG_MCTL_INTS (0x023C)
+#define DBG_MCTL_INT_MSK (0x0240)
+#define DBG_WCH0_INTS (0x0244)
+#define DBG_WCH0_INT_MSK (0x0248)
+#define DBG_WCH1_INTS (0x024C)
+#define DBG_WCH1_INT_MSK (0x0250)
+#define DBG_RCH0_INTS (0x0254)
+#define DBG_RCH0_INT_MSK (0x0258)
+#define DBG_RCH1_INTS (0x025C)
+#define DBG_RCH1_INT_MSK (0x0260)
+#define DBG_RCH2_INTS (0x0264)
+#define DBG_RCH2_INT_MSK (0x0268)
+#define DBG_RCH3_INTS (0x026C)
+#define DBG_RCH3_INT_MSK (0x0270)
+#define DBG_RCH4_INTS (0x0274)
+#define DBG_RCH4_INT_MSK (0x0278)
+#define DBG_RCH5_INTS (0x027C)
+#define DBG_RCH5_INT_MSK (0x0280)
+#define DBG_RCH6_INTS (0x0284)
+#define DBG_RCH6_INT_MSK (0x0288)
+#define DBG_RCH7_INTS (0x028C)
+#define DBG_RCH7_INT_MSK (0x0290)
+#define DBG_DPE_GLB_INTS (0x0294)
+#define DBG_DPE_GLB_INT_MSK (0x0298)
+
+#define AIF0_CH0_OFFSET (0x7000)
+#define AIF0_CH0_ADD_OFFSET (0x7004)
+
+#define MIF_ENABLE (0x0000)
+#define MIF_MEM_CTRL (0x0004)
+#define MIF_CTRL0 (0x0000)
+#define MIF_CTRL1 (0x0004)
+#define MIF_CTRL2 (0x0008)
+#define MIF_CTRL3 (0x000C)
+#define MIF_CTRL4 (0x0010)
+#define MIF_CTRL5 (0x0014)
+#define MIF_CTRL_OFFSET (0x0020)
+#define MIF_CH0_OFFSET (DPE_MIF_OFFSET + MIF_CTRL_OFFSET * 1)
+
+#define SMMU_SCR (0x0000)
+#define SMMU_MEMCTRL (0x0004)
+#define SMMU_LP_CTRL (0x0008)
+#define SMMU_INTMASK_NS (0x0010)
+#define SMMU_INTRAW_NS (0x0014)
+#define SMMU_INTSTAT_NS (0x0018)
+#define SMMU_INTCLR_NS (0x001C)
+#define SMMU_SMRx_NS (0x0020)
+
+#define DMA_OFT_X0 (0x0000)
+#define DMA_OFT_Y0 (0x0004)
+#define DMA_OFT_X1 (0x0008)
+#define DMA_OFT_Y1 (0x000C)
+#define DMA_MASK0 (0x0010)
+#define DMA_MASK1 (0x0014)
+#define DMA_STRETCH_SIZE_VRT (0x0018)
+#define DMA_CTRL (0x001C)
+#define DMA_TILE_SCRAM (0x0020)
+#define DMA_PULSE (0x0028)
+#define DMA_CORE_GT (0x002C)
+#define DMA_DATA_ADDR0 (0x0060)
+#define DMA_STRIDE0 (0x0064)
+#define DMA_STRETCH_STRIDE0 (0x0068)
+#define DMA_DATA_NUM0 (0x006C)
+#define DMA_CH_CTL (0x00D4)
+#define DMA_CH_REG_DEFAULT (0x0A00)
+#define DMA_ALIGN_BYTES (128 / BITS_PER_BYTE)
+#define DMA_ADDR_ALIGN (128 / BITS_PER_BYTE)
+#define DMA_STRIDE_ALIGN (128 / BITS_PER_BYTE)
+
+#define DFC_DISP_SIZE (0x0000)
+#define DFC_PIX_IN_NUM (0x0004)
+#define DFC_GLB_ALPHA (0x0008)
+#define DFC_DISP_FMT (0x000C)
+#define DFC_CLIP_CTL_HRZ (0x0010)
+#define DFC_CLIP_CTL_VRZ (0x0014)
+#define DFC_CTL_CLIP_EN (0x0018)
+#define DFC_ICG_MODULE (0x001C)
+#define DFC_DITHER_ENABLE (0x0020)
+#define DFC_PADDING_CTL (0x0024)
+
+#define MCTL_CTL_EN (0x0000)
+#define MCTL_CTL_MUTEX (0x0004)
+#define MCTL_CTL_MUTEX_STATUS (0x0008)
+#define MCTL_CTL_MUTEX_ITF (0x000C)
+#define MCTL_CTL_MUTEX_DBUF (0x0010)
+#define MCTL_CTL_MUTEX_SCF (0x0014)
+#define MCTL_CTL_MUTEX_OV (0x0018)
+#define MCTL_CTL_MUTEX_WCH0 (0x0020)
+#define MCTL_CTL_MUTEX_RCH0 (0x0030)
+#define MCTL_CTL_TOP (0x0050)
+#define MCTL_CTL_DBG (0x00E0)
+#define MCTL_RCH0_FLUSH_EN (0x0100)
+#define MCTL_OV0_FLUSH_EN (0x0128)
+#define MCTL_RCH0_OV_OEN (0x0160)
+#define MCTL_RCH_OV0_SEL (0x0180)
+
+#define OVL_SIZE (0x0000)
+#define OVL_BG_COLOR (0x0004)
+#define OVL_DST_STARTPOS (0x0008)
+#define OVL_DST_ENDPOS (0x000C)
+#define OVL_GCFG (0x0010)
+#define OVL_LAYER0_POS (0x0014)
+#define OVL_LAYER0_SIZE (0x0018)
+#define OVL_LAYER0_ALPHA (0x0030)
+#define OVL_LAYER0_CFG (0x0034)
+#define OVL6_REG_DEFAULT (0x01A8)
+
+#define DBUF_FRM_SIZE (0x0000)
+#define DBUF_FRM_HSIZE (0x0004)
+#define DBUF_SRAM_VALID_NUM (0x0008)
+#define DBUF_WBE_EN (0x000C)
+#define DBUF_THD_FILL_LEV0 (0x0010)
+#define DBUF_DFS_FILL_LEV1 (0x0014)
+#define DBUF_THD_RQOS (0x0018)
+#define DBUF_THD_WQOS (0x001C)
+#define DBUF_THD_CG (0x0020)
+#define DBUF_THD_OTHER (0x0024)
+#define DBUF_ONLINE_FILL_LEVEL (0x003C)
+#define DBUF_WB_FILL_LEVEL (0x0040)
+#define DBUF_DFS_STATUS (0x0044)
+#define DBUF_THD_FLUX_REQ_BEF (0x0048)
+#define DBUF_DFS_LP_CTRL (0x004C)
+#define DBUF_RD_SHADOW_SEL (0x0050)
+#define DBUF_MEM_CTRL (0x0054)
+#define DBUF_THD_FLUX_REQ_AFT (0x0064)
+#define DBUF_THD_DFS_OK (0x0068)
+#define DBUF_FLUX_REQ_CTRL (0x006C)
+#define DBUF_REG_DEFAULT (0x00A4)
+
+#define DPP_IMG_SIZE_BEF_SR (0x000C)
+#define DPP_IMG_SIZE_AFT_SR (0x0010)
+#define DPP_INTS (0x0040)
+#define DPP_INT_MSK (0x0044)
+
+#define SCF_COEF_MEM_CTRL (0x0018)
+#define IFBC_MEM_CTRL (0x001C)
+#define DITHER_MEM_CTRL (0x002C)
+#define DSC_MEM_CTRL (0x0084)
+#define ARSR2P_LB_MEM_CTRL (0x0084)
+#define SCF_LB_MEM_CTRL (0x0090)
+#define ROT_MEM_CTRL (0x0538)
+#define VPP_MEM_CTRL (0x0704)
+#define CMD_MEM_CTRL (0x073C)
+#define DMA_BUF_MEM_CTRL (0x0854)
+#define AFBCD_MEM_CTRL (0x093C)
+#define AFBCE_MEM_CTRL (0x0924)
+
+#define LDI_DPI0_HRZ_CTRL0 (0x0000)
+#define LDI_DPI0_HRZ_CTRL1 (0x0004)
+#define LDI_DPI0_HRZ_CTRL2 (0x0008)
+#define LDI_VRT_CTRL0 (0x000C)
+#define LDI_VRT_CTRL1 (0x0010)
+#define LDI_VRT_CTRL2 (0x0014)
+#define LDI_PLR_CTRL (0x0018)
+#define LDI_CTRL (0x0024)
+#define LDI_WORK_MODE (0x0028)
+#define LDI_DSI_CMD_MOD_CTRL (0x0030)
+#define LDI_VINACT_MSK_LEN (0x0050)
+#define LDI_CMD_EVENT_SEL (0x0060)
+#define LDI_MEM_CTRL (0x0100)
+#define LDI_PXL0_DIV2_GT_EN (0x0210)
+#define LDI_PXL0_DIV4_GT_EN (0x0214)
+#define LDI_PXL0_GT_EN (0x0218)
+#define LDI_PXL0_DSI_GT_EN (0x021C)
+#define LDI_PXL0_DIVXCFG (0x0220)
+#define LDI_VESA_CLK_SEL (0x0228)
+#define LDI_CPU_ITF_INTS (0x0248)
+#define LDI_CPU_ITF_INT_MSK (0x024C)
+
+#define MIPIDSI_VERSION_OFFSET (0x0000)
+#define MIPIDSI_PWR_UP_OFFSET (0x0004)
+#define MIPIDSI_CLKMGR_CFG_OFFSET (0x0008)
+#define MIPIDSI_DPI_VCID_OFFSET (0x000c)
+#define MIPIDSI_DPI_COLOR_CODING_OFFSET (0x0010)
+#define MIPIDSI_DPI_CFG_POL_OFFSET (0x0014)
+#define MIPIDSI_DPI_LP_CMD_TIM_OFFSET (0x0018)
+#define MIPIDSI_PCKHDL_CFG_OFFSET (0x002c)
+#define MIPIDSI_GEN_VCID_OFFSET (0x0030)
+#define MIPIDSI_MODE_CFG_OFFSET (0x0034)
+#define MIPIDSI_VID_MODE_CFG_OFFSET (0x0038)
+#define MIPIDSI_VID_PKT_SIZE_OFFSET (0x003c)
+#define MIPIDSI_VID_NUM_CHUNKS_OFFSET (0x0040)
+#define MIPIDSI_VID_NULL_SIZE_OFFSET (0x0044)
+#define MIPIDSI_VID_HSA_TIME_OFFSET (0x0048)
+#define MIPIDSI_VID_HBP_TIME_OFFSET (0x004c)
+#define MIPIDSI_VID_HLINE_TIME_OFFSET (0x0050)
+#define MIPIDSI_VID_VSA_LINES_OFFSET (0x0054)
+#define MIPIDSI_VID_VBP_LINES_OFFSET (0x0058)
+#define MIPIDSI_VID_VFP_LINES_OFFSET (0x005c)
+#define MIPIDSI_VID_VACTIVE_LINES_OFFSET (0x0060)
+#define MIPIDSI_EDPI_CMD_SIZE_OFFSET (0x0064)
+#define MIPIDSI_CMD_MODE_CFG_OFFSET (0x0068)
+#define MIPIDSI_GEN_HDR_OFFSET (0x006c)
+#define MIPIDSI_GEN_PLD_DATA_OFFSET (0x0070)
+#define MIPIDSI_CMD_PKT_STATUS_OFFSET (0x0074)
+#define MIPIDSI_TO_CNT_CFG_OFFSET (0x0078)
+#define MIPIDSI_BTA_TO_CNT_OFFSET (0x008C)
+#define MIPIDSI_SDF_3D_OFFSET (0x0090)
+#define MIPIDSI_LPCLK_CTRL_OFFSET (0x0094)
+#define MIPIDSI_PHY_TMR_LPCLK_CFG_OFFSET (0x0098)
+#define MIPIDSI_PHY_TMR_CFG_OFFSET (0x009c)
+#define MIPIDSI_PHY_RSTZ_OFFSET (0x00a0)
+#define MIPIDSI_PHY_IF_CFG_OFFSET (0x00a4)
+#define MIPIDSI_PHY_ULPS_CTRL_OFFSET (0x00a8)
+#define MIPIDSI_PHY_TX_TRIGGERS_OFFSET (0x00ac)
+#define MIPIDSI_PHY_STATUS_OFFSET (0x00b0)
+#define MIPIDSI_PHY_TST_CTRL0_OFFSET (0x00b4)
+#define MIPIDSI_PHY_TST_CTRL1_OFFSET (0x00b8)
+#define MIPIDSI_PHY_TMR_RD_CFG_OFFSET (0x00f4)
+
+enum XRES_DIV {
+ XRES_DIV_1 = 1,
+ XRES_DIV_2,
+};
+
+enum YRES_DIV {
+ YRES_DIV_1 = 1,
+ YRES_DIV_2,
+};
+
+enum PXL0_DIVCFG {
+ PXL0_DIVCFG_0 = 0,
+ PXL0_DIVCFG_1,
+};
+
+enum PXL0_DIV2_GT_EN {
+ PXL0_DIV2_GT_EN_CLOSE = 0,
+ PXL0_DIV2_GT_EN_OPEN,
+};
+
+enum PXL0_DIV4_GT_EN {
+ PXL0_DIV4_GT_EN_CLOSE = 0,
+ PXL0_DIV4_GT_EN_OPEN,
+};
+
+enum PXL0_DSI_GT_EN {
+ PXL0_DSI_GT_EN_0 = 0,
+ PXL0_DSI_GT_EN_1,
+};
+
+enum lcd_format {
+ LCD_RGB888 = 0,
+ LCD_RGB101010,
+ LCD_RGB565,
+};
+
+enum lcd_rgb_order {
+ LCD_RGB = 0,
+ LCD_BGR,
+};
+
+enum dpe_dfc_format {
+ DFC_PIXEL_FORMAT_RGB_565 = 0,
+ DFC_PIXEL_FORMAT_XRGB_4444,
+ DFC_PIXEL_FORMAT_ARGB_4444,
+ DFC_PIXEL_FORMAT_XRGB_5551,
+ DFC_PIXEL_FORMAT_ARGB_5551,
+ DFC_PIXEL_FORMAT_XRGB_8888,
+ DFC_PIXEL_FORMAT_ARGB_8888,
+ DFC_PIXEL_FORMAT_BGR_565,
+ DFC_PIXEL_FORMAT_XBGR_4444,
+ DFC_PIXEL_FORMAT_ABGR_4444,
+ DFC_PIXEL_FORMAT_XBGR_5551,
+ DFC_PIXEL_FORMAT_ABGR_5551,
+ DFC_PIXEL_FORMAT_XBGR_8888,
+ DFC_PIXEL_FORMAT_ABGR_8888,
+ DFC_PIXEL_FORMAT_YUV444,
+ DFC_PIXEL_FORMAT_YVU444,
+ DFC_PIXEL_FORMAT_YUYV422,
+ DFC_PIXEL_FORMAT_YVYU422,
+ DFC_PIXEL_FORMAT_VYUY422,
+ DFC_PIXEL_FORMAT_UYVY422,
+};
+
+enum dpe_dma_format {
+ DMA_PIXEL_FORMAT_RGB_565 = 0,
+ DMA_PIXEL_FORMAT_ARGB_4444,
+ DMA_PIXEL_FORMAT_XRGB_4444,
+ DMA_PIXEL_FORMAT_ARGB_5551,
+ DMA_PIXEL_FORMAT_XRGB_5551,
+ DMA_PIXEL_FORMAT_ARGB_8888,
+ DMA_PIXEL_FORMAT_XRGB_8888,
+ DMA_PIXEL_FORMAT_RESERVED0,
+ DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+ DMA_PIXEL_FORMAT_YUV_420_SP_HP,
+ DMA_PIXEL_FORMAT_YUV_420_P_HP,
+ DMA_PIXEL_FORMAT_YUV_422_SP_HP,
+ DMA_PIXEL_FORMAT_YUV_422_P_HP,
+ DMA_PIXEL_FORMAT_AYUV_4444,
+};
+
+enum dpe_fb_format {
+ DPE_RGB_565 = 0,
+ DPE_RGBX_4444,
+ DPE_RGBA_4444,
+ DPE_RGBX_5551,
+ DPE_RGBA_5551,
+ DPE_RGBX_8888,
+ DPE_RGBA_8888,
+ DPE_BGR_565,
+ DPE_BGRX_4444,
+ DPE_BGRA_4444,
+ DPE_BGRX_5551,
+ DPE_BGRA_5551,
+ DPE_BGRX_8888,
+ DPE_BGRA_8888,
+ DPE_YUV_422_I,
+ /* YUV Semi-planar */
+ DPE_YCbCr_422_SP,
+ DPE_YCrCb_422_SP,
+ DPE_YCbCr_420_SP,
+ DPE_YCrCb_420_SP,
+ /* YUV Planar */
+ DPE_YCbCr_422_P,
+ DPE_YCrCb_422_P,
+ DPE_YCbCr_420_P,
+ DPE_YCrCb_420_P,
+ /* YUV Package */
+ DPE_YUYV_422_Pkg,
+ DPE_UYVY_422_Pkg,
+ DPE_YVYU_422_Pkg,
+ DPE_VYUY_422_Pkg,
+};
+
+#endif
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dpe.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dpe.c
new file mode 100644
index 0000000..0c8d181
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dpe.c
@@ -0,0 +1,1222 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Hisilicon Hi6220 SoC ADE(Advanced Display Engine)'s crtc&plane driver
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * Author:
+ * Xinliang Liu <z.liuxinliang@hisilicon.com>
+ * Xinliang Liu <xinliang.liu@linaro.org>
+ * Xinwei Kong <kong.kongxinwei@hisilicon.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <video/display_timing.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/of_address.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+
+#include <drm/drm_drv.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_vblank.h>
+#include <drm/drm_fourcc.h>
+
+#include "kirin_drm_drv.h"
+#include "kirin_dpe_reg.h"
+
+#define DPE_WIDTH(width) ((width) - 1)
+#define DPE_HEIGHT(height) ((height) - 1)
+
+#define GET_FLUX_REQ_IN(max_depth) ((max_depth) * 50 / 100)
+#define GET_FLUX_REQ_OUT(max_depth) ((max_depth) * 90 / 100)
+
+#define DEFAULT_DPE_CORE_CLK_07V_RATE (400000000UL)
+#define DPE_MAX_PXL0_CLK_144M (144000000UL)
+
+#define DPE_UNSUPPORT (800)
+#define RES_4K_PHONE (3840 * 2160)
+
+enum dpe_ovl { DPE_OVL0 = 0, DPE_OVL_NUM };
+
+enum dpe_channel {
+ DPE_CH0 = 0, /* channel 1 for primary plane */
+ DPE_CH_NUM
+};
+
+struct dpe_hw_ctx {
+ void __iomem *base;
+ void __iomem *noc_base;
+
+ struct clk *dpe_axi_clk;
+ struct clk *dpe_pclk_clk;
+ struct clk *dpe_pri_clk;
+ struct clk *dpe_pxl0_clk;
+ struct clk *dpe_mmbuf_clk;
+
+ bool power_on;
+ int irq;
+
+ struct drm_crtc *crtc;
+
+ u32 hdisplay;
+ u32 vdisplay;
+};
+
+static const struct kirin_format dpe_formats[] = {
+ { DRM_FORMAT_RGB565, DPE_RGB_565 },
+ { DRM_FORMAT_BGR565, DPE_BGR_565 },
+ { DRM_FORMAT_XRGB8888, DPE_RGBX_8888 },
+ { DRM_FORMAT_XBGR8888, DPE_BGRX_8888 },
+ { DRM_FORMAT_RGBA8888, DPE_RGBA_8888 },
+ { DRM_FORMAT_BGRA8888, DPE_BGRA_8888 },
+ { DRM_FORMAT_ARGB8888, DPE_BGRA_8888 },
+ { DRM_FORMAT_ABGR8888, DPE_RGBA_8888 },
+};
+
+static const u32 dpe_channel_formats[] = {
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_BGR565,
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_RGBA8888,
+ DRM_FORMAT_BGRA8888,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_ABGR8888,
+};
+
+static u32 dpe_pixel_dma_format_map[] = {
+ DMA_PIXEL_FORMAT_RGB_565,
+ DMA_PIXEL_FORMAT_XRGB_4444,
+ DMA_PIXEL_FORMAT_ARGB_4444,
+ DMA_PIXEL_FORMAT_XRGB_5551,
+ DMA_PIXEL_FORMAT_ARGB_5551,
+ DMA_PIXEL_FORMAT_XRGB_8888,
+ DMA_PIXEL_FORMAT_ARGB_8888,
+ DMA_PIXEL_FORMAT_RGB_565,
+ DMA_PIXEL_FORMAT_XRGB_4444,
+ DMA_PIXEL_FORMAT_ARGB_4444,
+ DMA_PIXEL_FORMAT_XRGB_5551,
+ DMA_PIXEL_FORMAT_ARGB_5551,
+ DMA_PIXEL_FORMAT_XRGB_8888,
+ DMA_PIXEL_FORMAT_ARGB_8888,
+ DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+ DMA_PIXEL_FORMAT_YUV_422_SP_HP,
+ DMA_PIXEL_FORMAT_YUV_422_SP_HP,
+ DMA_PIXEL_FORMAT_YUV_420_SP_HP,
+ DMA_PIXEL_FORMAT_YUV_420_SP_HP,
+ DMA_PIXEL_FORMAT_YUV_422_P_HP,
+ DMA_PIXEL_FORMAT_YUV_422_P_HP,
+ DMA_PIXEL_FORMAT_YUV_420_P_HP,
+ DMA_PIXEL_FORMAT_YUV_420_P_HP,
+ DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+ DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+ DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+ DMA_PIXEL_FORMAT_YUYV_422_Pkg,
+};
+
+static u32 dpe_pixel_dfc_format_map[] = {
+ DFC_PIXEL_FORMAT_RGB_565,
+ DFC_PIXEL_FORMAT_XBGR_4444,
+ DFC_PIXEL_FORMAT_ABGR_4444,
+ DFC_PIXEL_FORMAT_XBGR_5551,
+ DFC_PIXEL_FORMAT_ABGR_5551,
+ DFC_PIXEL_FORMAT_XBGR_8888,
+ DFC_PIXEL_FORMAT_ABGR_8888,
+ DFC_PIXEL_FORMAT_BGR_565,
+ DFC_PIXEL_FORMAT_XRGB_4444,
+ DFC_PIXEL_FORMAT_ARGB_4444,
+ DFC_PIXEL_FORMAT_XRGB_5551,
+ DFC_PIXEL_FORMAT_ARGB_5551,
+ DFC_PIXEL_FORMAT_XRGB_8888,
+ DFC_PIXEL_FORMAT_ARGB_8888,
+ DFC_PIXEL_FORMAT_YUYV422,
+ DFC_PIXEL_FORMAT_YUYV422,
+ DFC_PIXEL_FORMAT_YVYU422,
+ DFC_PIXEL_FORMAT_YUYV422,
+ DFC_PIXEL_FORMAT_YVYU422,
+ DFC_PIXEL_FORMAT_YUYV422,
+ DFC_PIXEL_FORMAT_YVYU422,
+ DFC_PIXEL_FORMAT_YUYV422,
+ DFC_PIXEL_FORMAT_YVYU422,
+ DFC_PIXEL_FORMAT_YUYV422,
+ DFC_PIXEL_FORMAT_UYVY422,
+ DFC_PIXEL_FORMAT_YVYU422,
+ DFC_PIXEL_FORMAT_VYUY422,
+};
+
+static u32 mid_array[DPE_CH_NUM] = {0xb};
+static u32 aif_offset[DPE_CH_NUM] = {AIF0_CH0_OFFSET};
+static u32 mif_offset[DPE_CH_NUM] = {MIF_CH0_OFFSET};
+static u32 rdma_offset[DPE_CH_NUM] = {DPE_RCH_D0_DMA_OFFSET};
+static u32 rdfc_offset[DPE_CH_NUM] = {DPE_RCH_D0_DFC_OFFSET};
+static u32 dpe_smmu_chn_sid_num[DPE_CH_NUM] = {4};
+static u32 dpe_smmu_smrx_idx[DPE_CH_NUM] = {0};
+static u32 mctl_offset[DPE_OVL_NUM] = {DPE_MCTRL_CTL0_OFFSET};
+static u32 ovl_offset[DPE_OVL_NUM] = {DPE_OVL0_OFFSET};
+
+static u32 dpe_get_format(u32 pixel_format)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dpe_formats); i++)
+ if (dpe_formats[i].pixel_format == pixel_format)
+ return dpe_formats[i].hw_format;
+
+ DRM_ERROR("Not found pixel format!!fourcc_format= %d\n", pixel_format);
+ return DPE_UNSUPPORT;
+}
+
+static void dpe_set_reg(char __iomem *addr, u32 val, u8 bw, u8 bs)
+{
+ u32 mask = (1UL << bw) - 1UL;
+ u32 tmp = 0;
+
+ tmp = readl(addr);
+ tmp &= ~(mask << bs);
+
+ writel(tmp | ((val & mask) << bs), addr);
+}
+
+/* dpe mctl utils */
+static void dpe_mctl_lock(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX, 0x1, 1, 0);
+}
+
+static void dpe_mctl_unlock(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX, 0x0, 1, 0);
+}
+
+static void dpe_mctl_init(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+ dpe_set_reg(mctl_base + MCTL_CTL_EN, 0x1, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_ITF, 0x1, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_DBG, 0xB13A00, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_TOP, 0x2, 32, 0);
+}
+
+static void dpe_qos_init(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *noc_base = ctx->noc_base;
+
+ writel(0x2, noc_base + 0x000c);
+ writel(0x2, noc_base + 0x008c);
+ writel(0x2, noc_base + 0x010c);
+ writel(0x2, noc_base + 0x018c);
+}
+
+/* dpe ldi utils */
+static void dpe_enable_ldi(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *ldi_base = ctx->base + DPE_LDI0_OFFSET;
+
+ dpe_set_reg(ldi_base + LDI_CTRL, 0x1, 1, 0);
+}
+
+/* interrupts utils */
+static void dpe_interrupt_mask(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+ u32 mask = ~0;
+
+ writel(mask, base + GLB_CPU_PDP_INT_MSK);
+ writel(mask, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+ writel(mask, base + DPE_DPP_OFFSET + DPP_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_DPE_GLB_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_MCTL_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_WCH0_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_WCH1_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH0_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH1_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH2_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH3_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH4_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH5_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH6_INT_MSK);
+ writel(mask, base + DPE_DBG_OFFSET + DBG_RCH7_INT_MSK);
+}
+
+static void dpe_interrupt_unmask(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+ u32 unmask;
+
+ unmask = ~0;
+ unmask &= ~(BIT_DPP_INTS | BIT_ITF0_INTS | BIT_MMU_IRPT_NS);
+ writel(unmask, base + GLB_CPU_PDP_INT_MSK);
+
+ unmask = ~0;
+ unmask &= ~(BIT_VSYNC | BIT_LDI_UNFLOW);
+ writel(unmask, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+}
+
+static void dpe_interrupt_clear(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+ u32 clear = ~0;
+
+ writel(clear, base + GLB_CPU_PDP_INTS);
+ writel(clear, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INTS);
+ writel(clear, base + DPE_DPP_OFFSET + DPP_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_MCTL_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_WCH0_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_WCH1_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH0_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH1_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH2_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH3_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH4_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH5_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH6_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_RCH7_INTS);
+ writel(clear, base + DPE_DBG_OFFSET + DBG_DPE_GLB_INTS);
+}
+
+static void dpe_irq_enable(struct dpe_hw_ctx *ctx)
+{
+ enable_irq(ctx->irq);
+}
+
+static void dpe_clk_enable(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+
+ writel(0x00000088, base + DPE_IFBC_OFFSET + IFBC_MEM_CTRL);
+ writel(0x00000888, base + DPE_DSC_OFFSET + DSC_MEM_CTRL);
+ writel(0x00000008, base + DPE_LDI0_OFFSET + LDI_MEM_CTRL);
+ writel(0x00000008, base + DPE_DBUF0_OFFSET + DBUF_MEM_CTRL);
+ writel(0x00000008, base + DPE_DPP_DITHER_OFFSET + DITHER_MEM_CTRL);
+ writel(0x00000008, base + DPE_CMDLIST_OFFSET + CMD_MEM_CTRL);
+ writel(0x00000088, base + DPE_RCH_VG0_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG0_SCL_OFFSET + SCF_LB_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG0_ARSR_OFFSET + ARSR2P_LB_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG0_DMA_OFFSET + VPP_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00008888, base + DPE_RCH_VG0_DMA_OFFSET + AFBCD_MEM_CTRL);
+ writel(0x00000088, base + DPE_RCH_VG1_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG1_SCL_OFFSET + SCF_LB_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00008888, base + DPE_RCH_VG1_DMA_OFFSET + AFBCD_MEM_CTRL);
+ writel(0x00000088, base + DPE_RCH_VG2_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG2_SCL_OFFSET + SCF_LB_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_VG2_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00000088, base + DPE_RCH_G0_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_G0_SCL_OFFSET + SCF_LB_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_G0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00008888, base + DPE_RCH_G0_DMA_OFFSET + AFBCD_MEM_CTRL);
+ writel(0x00000088, base + DPE_RCH_G1_SCL_OFFSET + SCF_COEF_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_G1_SCL_OFFSET + SCF_LB_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_G1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00008888, base + DPE_RCH_G1_DMA_OFFSET + AFBCD_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_D0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00008888, base + DPE_RCH_D0_DMA_OFFSET + AFBCD_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_D1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_D2_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00000008, base + DPE_RCH_D3_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00000008, base + DPE_WCH0_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00000888, base + DPE_WCH0_DMA_OFFSET + AFBCE_MEM_CTRL);
+ writel(0x00000008, base + DPE_WCH0_DMA_OFFSET + ROT_MEM_CTRL);
+ writel(0x00000008, base + DPE_WCH1_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00000888, base + DPE_WCH1_DMA_OFFSET + AFBCE_MEM_CTRL);
+ writel(0x00000008, base + DPE_WCH1_DMA_OFFSET + ROT_MEM_CTRL);
+ writel(0x00000008, base + DPE_WCH2_DMA_OFFSET + DMA_BUF_MEM_CTRL);
+ writel(0x00000008, base + DPE_WCH2_DMA_OFFSET + ROT_MEM_CTRL);
+}
+
+static int dpe_power_up(struct dpe_hw_ctx *ctx)
+{
+ int ret;
+
+ if (ctx->power_on)
+ return 0;
+
+ /*peri clk enable */
+ ret = clk_prepare_enable(ctx->dpe_pxl0_clk);
+ if (ret) {
+ DRM_ERROR("failed to enable dpe_pxl0_clk (%d)\n", ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(ctx->dpe_pri_clk);
+ if (ret) {
+ DRM_ERROR("failed to enable dpe_pri_clk (%d)\n", ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(ctx->dpe_pclk_clk);
+ if (ret) {
+ DRM_ERROR("failed to enable dpe_pclk_clk (%d)\n", ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(ctx->dpe_axi_clk);
+ if (ret) {
+ DRM_ERROR("failed to enable dpe_axi_clk (%d)\n", ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(ctx->dpe_mmbuf_clk);
+ if (ret) {
+ DRM_ERROR("failed to enable dpe_mmbuf_clk (%d)\n", ret);
+ return ret;
+ }
+
+ dpe_clk_enable(ctx);
+ dpe_interrupt_mask(ctx);
+ dpe_interrupt_clear(ctx);
+ dpe_irq_enable(ctx);
+ dpe_interrupt_unmask(ctx);
+
+ ctx->power_on = true;
+ return 0;
+}
+
+static void dpe_dpp_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+ struct drm_display_mode *adj_mode)
+{
+ void __iomem *dpp_base = ctx->base + DPE_DPP_OFFSET;
+
+ writel((DPE_HEIGHT(mode->vdisplay) << 16) | DPE_WIDTH(mode->hdisplay),
+ dpp_base + DPP_IMG_SIZE_BEF_SR);
+ writel((DPE_HEIGHT(mode->vdisplay) << 16) | DPE_WIDTH(mode->hdisplay),
+ dpp_base + DPP_IMG_SIZE_AFT_SR);
+}
+
+static void dpe_ovl_init(struct dpe_hw_ctx *ctx, u32 xres, u32 yres)
+{
+ void __iomem *mctl_sys_base = ctx->base + DPE_MCTRL_SYS_OFFSET;
+ void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+ void __iomem *ovl0_base = ctx->base + ovl_offset[DPE_OVL0];
+
+ dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x1, 32, 0);
+ dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x0, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_SIZE, (xres - 1) | ((yres - 1) << 16), 32,
+ 0);
+ dpe_set_reg(ovl0_base + OVL_BG_COLOR, 0xFF000000, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_DST_STARTPOS, 0x0, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_DST_ENDPOS, (xres - 1) | ((yres - 1) << 16),
+ 32, 0);
+ dpe_set_reg(ovl0_base + OVL_GCFG, 0x10001, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_ITF, 0x1, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_DBUF, 0x1, 2, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_OV, 1 << DPE_OVL0, 4, 0);
+ dpe_set_reg(mctl_sys_base + MCTL_RCH_OV0_SEL, 0x8, 4, 0);
+ dpe_set_reg(mctl_sys_base + MCTL_OV0_FLUSH_EN, 0xd, 4, 0);
+}
+
+static void dpe_vesa_init(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+
+ dpe_set_reg(base + DPE_LDI0_OFFSET + LDI_VESA_CLK_SEL, 0, 1, 0);
+}
+
+static int dpe_mipi_ifbc_get_rect(struct drm_rect *rect)
+{
+ u32 xres_div = XRES_DIV_1;
+ u32 yres_div = YRES_DIV_1;
+
+ if ((rect->x2 % xres_div) > 0)
+ DRM_ERROR("xres(%d) is not division_h(%d) pixel aligned!\n",
+ rect->x2, xres_div);
+
+ if ((rect->y2 % yres_div) > 0)
+ DRM_ERROR("yres(%d) is not division_v(%d) pixel aligned!\n",
+ rect->y2, yres_div);
+
+ rect->x2 /= xres_div;
+ rect->y2 /= yres_div;
+
+ return 0;
+}
+
+static void dpe_init_ldi_pxl_div(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *ldi_base = ctx->base + DPE_LDI0_OFFSET;
+
+ dpe_set_reg(ldi_base + LDI_PXL0_DIV2_GT_EN, PXL0_DIV2_GT_EN_CLOSE, 1,
+ 0);
+ dpe_set_reg(ldi_base + LDI_PXL0_DIV4_GT_EN, PXL0_DIV4_GT_EN_CLOSE, 1,
+ 0);
+ dpe_set_reg(ldi_base + LDI_PXL0_GT_EN, 0x1, 1, 0);
+ dpe_set_reg(ldi_base + LDI_PXL0_DSI_GT_EN, PXL0_DSI_GT_EN_1, 2, 0);
+ dpe_set_reg(ldi_base + LDI_PXL0_DIVXCFG, PXL0_DIVCFG_0, 3, 0);
+}
+
+static void dpe_dbuf_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+ struct drm_display_mode *adj_mode)
+{
+ void __iomem *dbuf_base = ctx->base + DPE_DBUF0_OFFSET;
+
+ int sram_valid_num = 0;
+ int sram_max_mem_depth = 0;
+ int sram_min_support_depth = 0;
+
+ u32 thd_rqos_in = 0;
+ u32 thd_rqos_out = 0;
+ u32 thd_wqos_in = 0;
+ u32 thd_wqos_out = 0;
+ u32 thd_cg_in = 0;
+ u32 thd_cg_out = 0;
+ u32 thd_wr_wait = 0;
+ u32 thd_cg_hold = 0;
+ u32 thd_flux_req_befdfs_in = 0;
+ u32 thd_flux_req_befdfs_out = 0;
+ u32 thd_flux_req_aftdfs_in = 0;
+ u32 thd_flux_req_aftdfs_out = 0;
+ u32 thd_dfs_ok = 0;
+ u32 dfs_ok_mask = 0;
+ u32 thd_flux_req_sw_en = 1;
+ u32 hfp, hbp, hsw, vfp, vbp, vsw;
+
+ int dfs_time_min = 0;
+ int depth = 0;
+
+ hfp = mode->hsync_start - mode->hdisplay;
+ hbp = mode->htotal - mode->hsync_end;
+ hsw = mode->hsync_end - mode->hsync_start;
+ vfp = mode->vsync_start - mode->vdisplay;
+ vbp = mode->vtotal - mode->vsync_end;
+ vsw = mode->vsync_end - mode->vsync_start;
+
+ dbuf_base = ctx->base + DPE_DBUF0_OFFSET;
+
+ if (mode->hdisplay * mode->vdisplay >= RES_4K_PHONE)
+ dfs_time_min = DFS_TIME_MIN_4K;
+ else
+ dfs_time_min = DFS_TIME_MIN;
+
+ depth = DBUF0_DEPTH;
+
+ thd_cg_out = (DFS_TIME * adj_mode->clock * 1000UL * mode->hdisplay) /
+ (((hsw + hbp + hfp) + mode->hdisplay) * 6 * 1000000UL);
+
+ sram_valid_num = thd_cg_out / depth;
+ thd_cg_in = (sram_valid_num + 1) * depth - 1;
+ sram_max_mem_depth = (sram_valid_num + 1) * depth;
+
+ thd_rqos_in = thd_cg_out * 85 / 100;
+ thd_rqos_out = thd_cg_out;
+ thd_flux_req_befdfs_in = GET_FLUX_REQ_IN(sram_max_mem_depth);
+ thd_flux_req_befdfs_out = GET_FLUX_REQ_OUT(sram_max_mem_depth);
+
+ sram_min_support_depth =
+ dfs_time_min * mode->hdisplay /
+ (1000000 / 60 / (mode->vdisplay + vbp + vfp + vsw) *
+ (DBUF_WIDTH_BIT / 3 / BITS_PER_BYTE));
+
+ thd_flux_req_aftdfs_in = (sram_max_mem_depth - sram_min_support_depth);
+ thd_flux_req_aftdfs_in = thd_flux_req_aftdfs_in / 3;
+ thd_flux_req_aftdfs_out = 2 * thd_flux_req_aftdfs_in;
+ thd_dfs_ok = thd_flux_req_befdfs_in;
+
+ writel(mode->hdisplay * mode->vdisplay, dbuf_base + DBUF_FRM_SIZE);
+ writel(DPE_WIDTH(mode->hdisplay), dbuf_base + DBUF_FRM_HSIZE);
+ writel(sram_valid_num, dbuf_base + DBUF_SRAM_VALID_NUM);
+
+ writel((thd_rqos_out << 16) | thd_rqos_in, dbuf_base + DBUF_THD_RQOS);
+ writel((thd_wqos_out << 16) | thd_wqos_in, dbuf_base + DBUF_THD_WQOS);
+ writel((thd_cg_out << 16) | thd_cg_in, dbuf_base + DBUF_THD_CG);
+ writel((thd_cg_hold << 16) | thd_wr_wait, dbuf_base + DBUF_THD_OTHER);
+ writel((thd_flux_req_befdfs_out << 16) | thd_flux_req_befdfs_in,
+ dbuf_base + DBUF_THD_FLUX_REQ_BEF);
+ writel((thd_flux_req_aftdfs_out << 16) | thd_flux_req_aftdfs_in,
+ dbuf_base + DBUF_THD_FLUX_REQ_AFT);
+ writel(thd_dfs_ok, dbuf_base + DBUF_THD_DFS_OK);
+ writel((dfs_ok_mask << 1) | thd_flux_req_sw_en,
+ dbuf_base + DBUF_FLUX_REQ_CTRL);
+
+ writel(0x1, dbuf_base + DBUF_DFS_LP_CTRL);
+}
+
+static void dpe_ldi_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+ struct drm_display_mode *adj_mode)
+{
+ void __iomem *ldi_base = ctx->base + DPE_LDI0_OFFSET;
+ struct drm_rect rect = { 0, 0, 0, 0 };
+ u32 hfp, hbp, hsw, vfp, vbp, vsw;
+ u32 vsync_plr = 0;
+ u32 hsync_plr = 0;
+ u32 pixelclk_plr = 0;
+ u32 data_en_plr = 0;
+
+ hfp = mode->hsync_start - mode->hdisplay;
+ hbp = mode->htotal - mode->hsync_end;
+ hsw = mode->hsync_end - mode->hsync_start;
+ vfp = mode->vsync_start - mode->vdisplay;
+ vbp = mode->vtotal - mode->vsync_end;
+ vsw = mode->vsync_end - mode->vsync_start;
+
+ rect.x1 = 0;
+ rect.y1 = 0;
+ rect.x2 = mode->hdisplay;
+ rect.y2 = mode->vdisplay;
+ dpe_mipi_ifbc_get_rect(&rect);
+ dpe_init_ldi_pxl_div(ctx);
+
+ writel(hfp | ((hbp + DPE_WIDTH(hsw)) << 16),
+ ldi_base + LDI_DPI0_HRZ_CTRL0);
+ writel(0, ldi_base + LDI_DPI0_HRZ_CTRL1);
+ writel(DPE_WIDTH(rect.x2), ldi_base + LDI_DPI0_HRZ_CTRL2);
+ writel(vfp | (vbp << 16), ldi_base + LDI_VRT_CTRL0);
+ writel(DPE_HEIGHT(vsw), ldi_base + LDI_VRT_CTRL1);
+ writel(DPE_HEIGHT(rect.y2), ldi_base + LDI_VRT_CTRL2);
+ writel(vsync_plr | (hsync_plr << 1) | (pixelclk_plr << 2) |
+ (data_en_plr << 3),
+ ldi_base + LDI_PLR_CTRL);
+
+ dpe_set_reg(ldi_base + LDI_CTRL, LCD_RGB888, 2, 3);
+ dpe_set_reg(ldi_base + LDI_CTRL, LCD_RGB, 1, 13);
+
+ writel(vfp, ldi_base + LDI_VINACT_MSK_LEN);
+ writel(0x1, ldi_base + LDI_CMD_EVENT_SEL);
+
+ dpe_set_reg(ldi_base + LDI_DSI_CMD_MOD_CTRL, 0x1, 1, 1);
+ dpe_set_reg(ldi_base + LDI_WORK_MODE, 0x1, 1, 0);
+ dpe_set_reg(ldi_base + LDI_CTRL, 0x0, 1, 0);
+}
+
+static void dpe_init(struct dpe_hw_ctx *ctx, struct drm_display_mode *mode,
+ struct drm_display_mode *adj_mode)
+{
+ dpe_dbuf_init(ctx, mode, adj_mode);
+ dpe_dpp_init(ctx, mode, adj_mode);
+ dpe_vesa_init(ctx);
+ dpe_ldi_init(ctx, mode, adj_mode);
+ dpe_qos_init(ctx);
+ dpe_mctl_init(ctx);
+
+ dpe_mctl_lock(ctx);
+ dpe_ovl_init(ctx, mode->hdisplay, mode->vdisplay);
+ dpe_mctl_unlock(ctx);
+
+ // dpe_enable_ldi(ctx);
+
+ ctx->hdisplay = mode->hdisplay;
+ ctx->vdisplay = mode->vdisplay;
+ mdelay(60);
+}
+
+static void dpe_ldi_set_mode(struct dpe_hw_ctx *ctx,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adj_mode)
+{
+ int ret;
+ u32 clk_Hz;
+
+ switch (mode->clock) {
+ case 148500:
+ clk_Hz = 144000 * 1000UL;
+ break;
+ case 83496:
+ clk_Hz = 80000 * 1000UL;
+ break;
+ case 74440:
+ clk_Hz = 72000 * 1000UL;
+ break;
+ case 74250:
+ clk_Hz = 72000 * 1000UL;
+ break;
+ default:
+ clk_Hz = mode->clock * 1000UL;
+ }
+
+ ret = clk_set_rate(ctx->dpe_pxl0_clk, clk_Hz);
+ if (ret)
+ DRM_ERROR("failed to set pixel clk %dHz (%d)\n", clk_Hz, ret);
+
+ adj_mode->clock = clk_get_rate(ctx->dpe_pxl0_clk) / 1000;
+}
+
+static int dpe_enable_vblank(struct drm_crtc *crtc)
+{
+ struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+ struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+
+ dpe_power_up(ctx);
+
+ return 0;
+}
+
+static void dpe_disable_vblank(struct drm_crtc *crtc)
+{
+ struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+ struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+
+ if (!ctx->power_on) {
+ DRM_ERROR("power is down! vblank disable fail\n");
+ return;
+ }
+}
+
+static void dpe_crtc_atomic_enable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+ struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+ int ret;
+
+ if (kcrtc->enable)
+ return;
+
+ ret = dpe_power_up(ctx);
+ if (ret)
+ return;
+
+ kcrtc->enable = true;
+ drm_crtc_vblank_on(crtc);
+}
+
+static void dpe_crtc_atomic_disable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+
+ if (!kcrtc->enable)
+ return;
+
+ drm_crtc_vblank_off(crtc);
+ kcrtc->enable = false;
+}
+
+static void dpe_crtc_mode_set_nofb(struct drm_crtc *crtc)
+{
+ struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+ struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+ struct drm_display_mode *mode = &crtc->state->mode;
+ struct drm_display_mode *adj_mode = &crtc->state->adjusted_mode;
+
+ dpe_power_up(ctx);
+ dpe_ldi_set_mode(ctx, mode, adj_mode);
+ dpe_init(ctx, mode, adj_mode);
+}
+
+static void dpe_crtc_atomic_begin(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ struct kirin_crtc *kcrtc = to_kirin_crtc(crtc);
+ struct dpe_hw_ctx *ctx = kcrtc->hw_ctx;
+
+ dpe_power_up(ctx);
+}
+
+static void dpe_crtc_atomic_flush(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+
+{
+ struct drm_pending_vblank_event *event = crtc->state->event;
+
+ if (event) {
+ crtc->state->event = NULL;
+
+ spin_lock_irq(&crtc->dev->event_lock);
+ if (drm_crtc_vblank_get(crtc) == 0)
+ drm_crtc_arm_vblank_event(crtc, event);
+ else
+ drm_crtc_send_vblank_event(crtc, event);
+ spin_unlock_irq(&crtc->dev->event_lock);
+ }
+}
+
+const struct drm_crtc_helper_funcs dpe_crtc_helper_funcs = {
+ .atomic_enable = dpe_crtc_atomic_enable,
+ .atomic_disable = dpe_crtc_atomic_disable,
+ .mode_set_nofb = dpe_crtc_mode_set_nofb,
+ .atomic_begin = dpe_crtc_atomic_begin,
+ .atomic_flush = dpe_crtc_atomic_flush,
+};
+
+const struct drm_crtc_funcs dpe_crtc_funcs = {
+ .destroy = drm_crtc_cleanup,
+ .set_config = drm_atomic_helper_set_config,
+ .page_flip = drm_atomic_helper_page_flip,
+ .reset = drm_atomic_helper_crtc_reset,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+ .enable_vblank = dpe_enable_vblank,
+ .disable_vblank = dpe_disable_vblank,
+};
+
+static void dpe_unflow_handler(struct dpe_hw_ctx *ctx)
+{
+ void __iomem *base = ctx->base;
+ u32 tmp = 0;
+
+ tmp = readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+ tmp &= ~BIT_LDI_UNFLOW;
+
+ writel(tmp, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+}
+
+static void dpe_mctl_ov_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+ void __iomem *mctl_base = ctx->base + mctl_offset[DPE_OVL0];
+
+ dpe_set_reg(mctl_base + MCTL_CTL_EN, 0x1, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_TOP, 0x2, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_DBG, 0xB13A00, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_RCH0 + ch * 4, 0x1, 32, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_ITF, 0x1, 2, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_DBUF, 0x1, 2, 0);
+ dpe_set_reg(mctl_base + MCTL_CTL_MUTEX_OV, 1 << DPE_OVL0, 4, 0);
+}
+
+static void dpe_mctl_sys_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+ void __iomem *mctl_sys_base = ctx->base + DPE_MCTRL_SYS_OFFSET;
+
+ dpe_set_reg(mctl_sys_base + MCTL_RCH0_OV_OEN + ch * 4, (1 << 1) | 0x100,
+ 32, 0);
+ dpe_set_reg(mctl_sys_base + MCTL_RCH_OV0_SEL, 0x8, 4, 0);
+ dpe_set_reg(mctl_sys_base + MCTL_RCH_OV0_SEL, ch, 4,
+ (DPE_OVL0 + 1) * 4);
+ dpe_set_reg(mctl_sys_base + MCTL_OV0_FLUSH_EN, 0xd, 4, 0);
+ dpe_set_reg(mctl_sys_base + MCTL_RCH0_FLUSH_EN + ch * 4, 0x1, 32, 0);
+}
+
+static void dpe_ovl_config(struct dpe_hw_ctx *ctx, const struct drm_rect *rect,
+ u32 xres, u32 yres)
+{
+ void __iomem *ovl0_base = ctx->base + ovl_offset[DPE_OVL0];
+
+ dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x1, 32, 0);
+ dpe_set_reg(ovl0_base + OVL6_REG_DEFAULT, 0x0, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_SIZE, (xres - 1) | ((yres - 1) << 16), 32,
+ 0);
+ dpe_set_reg(ovl0_base + OVL_BG_COLOR, 0xFF000000, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_DST_STARTPOS, 0x0, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_DST_ENDPOS, (xres - 1) | ((yres - 1) << 16),
+ 32, 0);
+ dpe_set_reg(ovl0_base + OVL_GCFG, 0x10001, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_LAYER0_POS, (rect->x1) | ((rect->y1) << 16),
+ 32, 0);
+ dpe_set_reg(ovl0_base + OVL_LAYER0_SIZE,
+ (rect->x2) | ((rect->y2) << 16), 32, 0);
+ dpe_set_reg(ovl0_base + OVL_LAYER0_ALPHA, 0x00ff40ff, 32, 0);
+ dpe_set_reg(ovl0_base + OVL_LAYER0_CFG, 0x1, 1, 0);
+}
+
+static void dpe_rdma_config(struct dpe_hw_ctx *ctx, const struct drm_rect *rect,
+ u32 display_addr, u32 hal_format, u32 bpp, int ch)
+{
+ void __iomem *rdma_base = ctx->base + rdma_offset[ch];
+
+ u32 aligned_pixel = 0;
+ u32 rdma_oft_x0, rdma_oft_y0, rdma_oft_x1, rdma_oft_y1;
+ u32 rdma_stride, rdma_format;
+ u32 stretch_size_vrt = 0;
+ u32 h_display = 0;
+
+ aligned_pixel = DMA_ALIGN_BYTES / bpp;
+ rdma_oft_x0 = rect->x1 / aligned_pixel;
+ rdma_oft_y0 = rect->y1;
+ rdma_oft_x1 = rect->x2 / aligned_pixel;
+ rdma_oft_y1 = rect->y2;
+
+ rdma_format = dpe_pixel_dma_format_map[hal_format];
+ stretch_size_vrt = rdma_oft_y1 - rdma_oft_y0;
+
+ h_display = (rect->x2 - rect->x1) + 1;
+ rdma_stride = (h_display * bpp) / DMA_ALIGN_BYTES;
+
+ dpe_set_reg(rdma_base + DMA_CH_REG_DEFAULT, 0x1, 32, 0);
+ dpe_set_reg(rdma_base + DMA_CH_REG_DEFAULT, 0x0, 32, 0);
+
+ dpe_set_reg(rdma_base + DMA_OFT_X0, rdma_oft_x0, 12, 0);
+ dpe_set_reg(rdma_base + DMA_OFT_Y0, rdma_oft_y0, 16, 0);
+ dpe_set_reg(rdma_base + DMA_OFT_X1, rdma_oft_x1, 12, 0);
+ dpe_set_reg(rdma_base + DMA_OFT_Y1, rdma_oft_y1, 16, 0);
+ dpe_set_reg(rdma_base + DMA_CTRL, rdma_format, 5, 3);
+ dpe_set_reg(rdma_base + DMA_CTRL, 0x0, 1, 8);
+ dpe_set_reg(rdma_base + DMA_STRETCH_SIZE_VRT, stretch_size_vrt, 32, 0);
+ dpe_set_reg(rdma_base + DMA_DATA_ADDR0, display_addr, 32, 0);
+ dpe_set_reg(rdma_base + DMA_STRIDE0, rdma_stride, 13, 0);
+ dpe_set_reg(rdma_base + DMA_CH_CTL, 0x1, 1, 0);
+}
+
+static void dpe_rdfc_config(struct dpe_hw_ctx *ctx, const struct drm_rect *rect,
+ u32 hal_format, u32 bpp, int ch)
+{
+ void __iomem *rdfc_base = ctx->base + rdfc_offset[ch];
+
+ u32 dfc_pix_in_num = 0;
+ u32 size_hrz = 0;
+ u32 size_vrt = 0;
+ u32 dfc_fmt = 0;
+
+ dfc_pix_in_num = (bpp <= 2) ? 0x1 : 0x0;
+ size_hrz = rect->x2 - rect->x1;
+ size_vrt = rect->y2 - rect->y1;
+
+ dfc_fmt = dpe_pixel_dfc_format_map[hal_format];
+
+ dpe_set_reg(rdfc_base + DFC_DISP_SIZE, (size_vrt | (size_hrz << 16)),
+ 29, 0);
+ dpe_set_reg(rdfc_base + DFC_PIX_IN_NUM, dfc_pix_in_num, 1, 0);
+ dpe_set_reg(rdfc_base + DFC_DISP_FMT, dfc_fmt, 5, 1);
+ dpe_set_reg(rdfc_base + DFC_CTL_CLIP_EN, 0x1, 1, 0);
+ dpe_set_reg(rdfc_base + DFC_ICG_MODULE, 0x1, 1, 0);
+}
+
+static void dpe_aif_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+ void __iomem *aif_ch_base = ctx->base + aif_offset[ch];
+
+ dpe_set_reg(aif_ch_base, 0x0, 1, 0);
+ dpe_set_reg(aif_ch_base, mid_array[ch], 4, 4);
+}
+
+static void dpe_mif_config(struct dpe_hw_ctx *ctx, u32 ch)
+{
+ void __iomem *mif_ch_base = ctx->base + mif_offset[ch];
+
+ dpe_set_reg(mif_ch_base + MIF_CTRL1, 0x1, 1, 5);
+}
+
+static void dpe_smmu_config_off(struct dpe_hw_ctx *ctx, u32 ch)
+{
+ void __iomem *smmu_base = ctx->base + DPE_SMMU_OFFSET;
+ int i, index;
+
+ for (i = 0; i < dpe_smmu_chn_sid_num[ch]; i++) {
+ index = dpe_smmu_smrx_idx[ch] + i;
+ dpe_set_reg(smmu_base + SMMU_SMRx_NS + index * 0x4, 1, 32, 0);
+ }
+}
+
+static void dpe_update_channel(struct kirin_plane *kplane,
+ struct drm_framebuffer *fb, int crtc_x,
+ int crtc_y, unsigned int crtc_w,
+ unsigned int crtc_h, u32 src_x, u32 src_y,
+ u32 src_w, u32 src_h)
+{
+ struct dpe_hw_ctx *ctx = kplane->hw_ctx;
+ struct drm_gem_cma_object *obj = drm_fb_cma_get_gem_obj(fb, 0);
+ struct drm_rect rect;
+ u32 bpp;
+ u32 stride;
+ u32 display_addr;
+ u32 hal_fmt;
+ u32 ch = DPE_CH0;
+
+ bpp = fb->format->cpp[0];
+ stride = fb->pitches[0];
+
+ display_addr = (u32)obj->paddr + src_y * stride;
+
+ rect.x1 = 0;
+ rect.x2 = src_w - 1;
+ rect.y1 = 0;
+ rect.y2 = src_h - 1;
+ hal_fmt = dpe_get_format(fb->format->format);
+
+ dpe_mctl_lock(ctx);
+ dpe_aif_config(ctx, ch);
+ dpe_mif_config(ctx, ch);
+ dpe_smmu_config_off(ctx, ch);
+
+ dpe_rdma_config(ctx, &rect, display_addr, hal_fmt, bpp, ch);
+ dpe_rdfc_config(ctx, &rect, hal_fmt, bpp, ch);
+ dpe_ovl_config(ctx, &rect, ctx->hdisplay, ctx->vdisplay);
+
+ dpe_mctl_ov_config(ctx, ch);
+ dpe_mctl_sys_config(ctx, ch);
+ dpe_mctl_unlock(ctx);
+ dpe_unflow_handler(ctx);
+
+ dpe_enable_ldi(ctx);
+}
+
+static void dpe_plane_atomic_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct drm_plane_state *state = plane->state;
+ struct kirin_plane *kplane = to_kirin_plane(plane);
+
+ if (!state->fb) {
+ state->visible = false;
+ return;
+ }
+
+ dpe_update_channel(kplane, state->fb, state->crtc_x, state->crtc_y,
+ state->crtc_w, state->crtc_h, state->src_x >> 16,
+ state->src_y >> 16, state->src_w >> 16,
+ state->src_h >> 16);
+}
+
+static int dpe_plane_atomic_check(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ struct drm_framebuffer *fb = state->fb;
+ struct drm_crtc *crtc = state->crtc;
+ struct drm_crtc_state *crtc_state;
+ u32 src_x = state->src_x >> 16;
+ u32 src_y = state->src_y >> 16;
+ u32 src_w = state->src_w >> 16;
+ u32 src_h = state->src_h >> 16;
+ int crtc_x = state->crtc_x;
+ int crtc_y = state->crtc_y;
+ u32 crtc_w = state->crtc_w;
+ u32 crtc_h = state->crtc_h;
+ u32 fmt;
+
+ if (!crtc || !fb)
+ return 0;
+
+ fmt = dpe_get_format(fb->format->format);
+ if (fmt == DPE_UNSUPPORT)
+ return -EINVAL;
+
+ crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
+ if (IS_ERR(crtc_state))
+ return PTR_ERR(crtc_state);
+
+ if (src_w != crtc_w || src_h != crtc_h) {
+ DRM_ERROR("Scale not support!!!\n");
+ return -EINVAL;
+ }
+
+ if (src_x + src_w > fb->width || src_y + src_h > fb->height)
+ return -EINVAL;
+
+ if (crtc_x < 0 || crtc_y < 0)
+ return -EINVAL;
+
+ if (crtc_x + crtc_w > crtc_state->adjusted_mode.hdisplay ||
+ crtc_y + crtc_h > crtc_state->adjusted_mode.vdisplay)
+ return -EINVAL;
+
+ return 0;
+}
+
+const struct drm_plane_helper_funcs dpe_plane_helper_funcs = {
+ .atomic_check = dpe_plane_atomic_check,
+ .atomic_update = dpe_plane_atomic_update,
+};
+
+const struct drm_plane_funcs dpe_plane_funcs = {
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
+ .destroy = drm_plane_cleanup,
+ .reset = drm_atomic_helper_plane_reset,
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+};
+
+static irqreturn_t dpe_irq_handler(int irq, void *data)
+{
+ struct dpe_hw_ctx *ctx = data;
+ struct drm_crtc *crtc = ctx->crtc;
+ void __iomem *base = ctx->base;
+
+ u32 isr_s1 = 0;
+ u32 isr_s2 = 0;
+ u32 isr_s2_dpp = 0;
+ u32 isr_s2_smmu = 0;
+ u32 mask = 0;
+
+ isr_s1 = readl(base + GLB_CPU_PDP_INTS);
+ isr_s2 = readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INTS);
+ isr_s2_dpp = readl(base + DPE_DPP_OFFSET + DPP_INTS);
+ isr_s2_smmu = readl(base + DPE_SMMU_OFFSET + SMMU_INTSTAT_NS);
+
+ writel(isr_s2_smmu, base + DPE_SMMU_OFFSET + SMMU_INTCLR_NS);
+ writel(isr_s2_dpp, base + DPE_DPP_OFFSET + DPP_INTS);
+ writel(isr_s2, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INTS);
+ writel(isr_s1, base + GLB_CPU_PDP_INTS);
+
+ isr_s1 &= ~(readl(base + GLB_CPU_PDP_INT_MSK));
+ isr_s2 &= ~(readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK));
+ isr_s2_dpp &= ~(readl(base + DPE_DPP_OFFSET + DPP_INT_MSK));
+
+ if (isr_s2 & BIT_VSYNC)
+ drm_crtc_handle_vblank(crtc);
+
+ if (isr_s2 & BIT_LDI_UNFLOW) {
+ mask = readl(base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+ mask |= BIT_LDI_UNFLOW;
+ writel(mask, base + DPE_LDI0_OFFSET + LDI_CPU_ITF_INT_MSK);
+
+ DRM_ERROR("ldi underflow!\n");
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void *dpe_hw_ctx_alloc(struct platform_device *pdev,
+ struct drm_crtc *crtc)
+{
+ struct dpe_hw_ctx *ctx = NULL;
+ struct device *dev = &pdev->dev;
+ struct device_node *np = pdev->dev.of_node;
+ int ret = 0;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ DRM_ERROR("failed to alloc ade_hw_ctx\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
+ ctx->base = of_iomap(np, 0);
+ if (!(ctx->base)) {
+ DRM_ERROR("failed to get ade base resource.\n");
+ return ERR_PTR(-ENXIO);
+ }
+
+ ctx->noc_base = of_iomap(np, 4);
+ if (!(ctx->noc_base)) {
+ DRM_ERROR("failed to get noc_base resource.\n");
+ return ERR_PTR(-ENXIO);
+ }
+
+ ctx->irq = irq_of_parse_and_map(np, 0);
+ if (ctx->irq <= 0) {
+ DRM_ERROR("failed to get irq_pdp resource.\n");
+ return ERR_PTR(-ENXIO);
+ }
+
+ DRM_INFO("dpe irq = %d.", ctx->irq);
+
+ ctx->dpe_mmbuf_clk = devm_clk_get(dev, "clk_dss_axi_mm");
+ if (!ctx->dpe_mmbuf_clk) {
+ DRM_ERROR("failed to parse dpe_mmbuf_clk\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ ctx->dpe_axi_clk = devm_clk_get(dev, "aclk_dss");
+ if (!ctx->dpe_axi_clk) {
+ DRM_ERROR("failed to parse dpe_axi_clk\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ ctx->dpe_pclk_clk = devm_clk_get(dev, "pclk_dss");
+ if (!ctx->dpe_pclk_clk) {
+ DRM_ERROR("failed to parse dpe_pclk_clk\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ ctx->dpe_pri_clk = devm_clk_get(dev, "clk_edc0");
+ if (!ctx->dpe_pri_clk) {
+ DRM_ERROR("failed to parse dpe_pri_clk\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ ret = clk_set_rate(ctx->dpe_pri_clk, DEFAULT_DPE_CORE_CLK_07V_RATE);
+ if (ret < 0) {
+ DRM_ERROR("dpe_pri_clk clk_set_rate(%lu) failed, error=%d!\n",
+ DEFAULT_DPE_CORE_CLK_07V_RATE, ret);
+ return ERR_PTR(-EINVAL);
+ }
+
+ ctx->dpe_pxl0_clk = devm_clk_get(dev, "clk_ldi0");
+ if (!ctx->dpe_pxl0_clk) {
+ DRM_ERROR("failed to parse dpe_pxl0_clk\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ ret = clk_set_rate(ctx->dpe_pxl0_clk, DPE_MAX_PXL0_CLK_144M);
+ if (ret < 0) {
+ DRM_ERROR("dpe_pxl0_clk clk_set_rate(%lu) failed, error=%d!\n",
+ DPE_MAX_PXL0_CLK_144M, ret);
+ return ERR_PTR(-EINVAL);
+ }
+
+ ctx->crtc = crtc;
+ ret = devm_request_irq(dev, ctx->irq, dpe_irq_handler, IRQF_SHARED,
+ dev->driver->name, ctx);
+ if (ret)
+ return ERR_PTR(-EIO);
+
+ disable_irq(ctx->irq);
+
+ return ctx;
+}
+
+static void dpe_hw_ctx_cleanup(void *hw_ctx)
+{
+}
+
+extern void dsi_set_output_client(struct drm_device *dev);
+static void kirin_fbdev_output_poll_changed(struct drm_device *dev)
+{
+ dsi_set_output_client(dev);
+}
+
+static const struct drm_mode_config_funcs dpe_mode_config_funcs = {
+ .fb_create = drm_gem_fb_create,
+ .output_poll_changed = kirin_fbdev_output_poll_changed,
+ .atomic_check = drm_atomic_helper_check,
+ .atomic_commit = drm_atomic_helper_commit,
+};
+
+DEFINE_DRM_GEM_CMA_FOPS(kirin_drm_fops);
+static struct drm_driver dpe_driver = {
+ .driver_features = DRIVER_GEM | DRIVER_MODESET |
+ DRIVER_ATOMIC | DRIVER_RENDER,
+
+ .date = "20170309",
+ .fops = &kirin_drm_fops,
+ .gem_free_object_unlocked = drm_gem_cma_free_object,
+ .gem_vm_ops = &drm_gem_cma_vm_ops,
+ .dumb_create = drm_gem_cma_dumb_create_internal,
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .gem_prime_export = drm_gem_prime_export,
+ .gem_prime_import = drm_gem_prime_import,
+ .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
+ .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
+ .gem_prime_vmap = drm_gem_cma_prime_vmap,
+ .gem_prime_vunmap = drm_gem_cma_prime_vunmap,
+ .gem_prime_mmap = drm_gem_cma_prime_mmap,
+
+ .name = "kirin",
+ .desc = "Hisilicon Kirin SoCs' DRM Driver",
+ .major = 1,
+ .minor = 0,
+};
+
+const struct kirin_drm_data dpe_driver_data = {
+ .num_planes = DPE_CH_NUM,
+ .prim_plane = DPE_CH0,
+
+ .channel_formats = dpe_channel_formats,
+ .channel_formats_cnt = ARRAY_SIZE(dpe_channel_formats),
+ .config_max_width = 4096,
+ .config_max_height = 4096,
+
+ .driver = &dpe_driver,
+
+ .crtc_helper_funcs = &dpe_crtc_helper_funcs,
+ .crtc_funcs = &dpe_crtc_funcs,
+ .plane_helper_funcs = &dpe_plane_helper_funcs,
+ .plane_funcs = &dpe_plane_funcs,
+ .mode_config_funcs = &dpe_mode_config_funcs,
+
+ .alloc_hw_ctx = dpe_hw_ctx_alloc,
+ .cleanup_hw_ctx = dpe_hw_ctx_cleanup,
+};
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index 4349da3..7a41b30c 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -293,9 +293,16 @@ static int kirin_drm_platform_remove(struct platform_device *pdev)
}
static const struct of_device_id kirin_drm_dt_ids[] = {
+#ifdef CONFIG_DRM_HISI_KIRIN620
{ .compatible = "hisilicon,hi6220-ade",
.data = &ade_driver_data,
},
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN960
+ { .compatible = "hisilicon,hi3660-dpe",
+ .data = &dpe_driver_data,
+ },
+#endif
{ /* end node */ },
};
MODULE_DEVICE_TABLE(of, kirin_drm_dt_ids);
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
index dee8ec2..4d9d462 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
@@ -52,6 +52,11 @@ struct kirin_drm_data {
void (*cleanup_hw_ctx)(void *hw_ctx);
};
+#ifdef CONFIG_DRM_HISI_KIRIN620
extern struct kirin_drm_data ade_driver_data;
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN960
+extern const struct kirin_drm_data dpe_driver_data;
+#endif
#endif /* __KIRIN_DRM_DRV_H__ */
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c
new file mode 100644
index 0000000..f5ae667
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c
@@ -0,0 +1,424 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * DesignWare MIPI DSI Host Controller v1.02 driver
+ *
+ * Copyright (c) 2016 Linaro Limited.
+ * Copyright (c) 2014-2016 Hisilicon Limited.
+ *
+ * Author:
+ * <shizongxuan@huawei.com>
+ * <zhangxiubin@huawei.com>
+ * <lvda3@hisilicon.com>
+ */
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_device.h>
+#include <drm/drm_encoder_slave.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_of.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_sysfs.h>
+
+#include "kirin_drm_dsi.h"
+#include "dw_dsi_reg.h"
+
+static struct kirin_dsi_ops *hisi_dsi_ops;
+
+void dsi_set_output_client(struct drm_device *dev)
+{
+ enum dsi_output_client client;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct drm_connector_list_iter conn_iter;
+ struct dw_dsi *dsi;
+
+ mutex_lock(&dev->mode_config.mutex);
+
+ /* find dsi encoder */
+ drm_for_each_encoder(encoder, dev)
+ if (encoder->encoder_type == DRM_MODE_ENCODER_DSI)
+ break;
+ dsi = encoder_to_dsi(encoder);
+
+ /* find HDMI connector */
+ drm_connector_list_iter_begin(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter)
+ if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA)
+ break;
+ drm_connector_list_iter_end(&conn_iter);
+
+ /*
+ * set the proper dsi output client
+ */
+ client = connector->status == connector_status_connected ? OUT_HDMI :
+ OUT_PANEL;
+ if (client != dsi->cur_client) {
+ /*
+ * set the switch ic to select the HDMI or MIPI_DSI
+ */
+ if (hisi_dsi_ops->version == KIRIN960_DSI)
+ gpiod_set_value_cansleep(dsi->gpio_mux, client);
+
+ dsi->cur_client = client;
+ /* let the userspace know panel connector status has changed */
+ drm_sysfs_hotplug_event(dev);
+ DRM_INFO("client change to %s\n",
+ client == OUT_HDMI ? "HDMI" : "panel");
+ }
+
+ mutex_unlock(&dev->mode_config.mutex);
+}
+EXPORT_SYMBOL_GPL(dsi_set_output_client);
+/************************for the panel attach to dsi*****************************/
+static int dsi_connector_get_modes(struct drm_connector *connector)
+{
+ struct dw_dsi *dsi = connector_to_dsi(connector);
+
+ return drm_panel_get_modes(dsi->panel, connector);
+}
+
+static enum drm_mode_status
+dsi_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ enum drm_mode_status mode_status = MODE_OK;
+
+ return mode_status;
+}
+
+static struct drm_encoder *
+dsi_connector_best_encoder(struct drm_connector *connector)
+{
+ struct dw_dsi *dsi = connector_to_dsi(connector);
+
+ return &dsi->encoder;
+}
+
+static struct drm_connector_helper_funcs dsi_connector_helper_funcs = {
+ .get_modes = dsi_connector_get_modes,
+ .mode_valid = dsi_connector_mode_valid,
+ .best_encoder = dsi_connector_best_encoder,
+};
+
+static enum drm_connector_status
+dsi_connector_detect(struct drm_connector *connector, bool force)
+{
+ struct dw_dsi *dsi = connector_to_dsi(connector);
+ enum drm_connector_status status;
+
+ status = dsi->cur_client == OUT_PANEL ? connector_status_connected :
+ connector_status_disconnected;
+
+ return status;
+}
+
+static void dsi_connector_destroy(struct drm_connector *connector)
+{
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+}
+
+static struct drm_connector_funcs dsi_atomic_connector_funcs = {
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = dsi_connector_detect,
+ .destroy = dsi_connector_destroy,
+ .reset = drm_atomic_helper_connector_reset,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int dsi_connector_init(struct drm_device *dev, struct dw_dsi *dsi)
+{
+ struct drm_encoder *encoder = &dsi->encoder;
+ struct drm_connector *connector = &dsi->connector;
+ int ret;
+
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ drm_connector_helper_add(connector, &dsi_connector_helper_funcs);
+
+ ret = drm_connector_init(dev, &dsi->connector,
+ &dsi_atomic_connector_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ if (ret)
+ return ret;
+
+ ret = drm_connector_attach_encoder(connector, encoder);
+ if (ret)
+ return ret;
+
+ DRM_INFO("connector init\n");
+ return 0;
+}
+
+/****************************************************************************/
+
+/***************************for the encoder_helper_funcs****************************************/
+static const struct drm_encoder_funcs dw_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+static int dsi_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ /* do nothing */
+ return 0;
+}
+
+static enum drm_mode_status
+dsi_encoder_mode_valid(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode)
+
+{
+ return hisi_dsi_ops->encoder_valid(encoder, mode);
+}
+
+static void dsi_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adj_mode)
+{
+ struct dw_dsi *dsi = encoder_to_dsi(encoder);
+
+ drm_mode_copy(&dsi->cur_mode, adj_mode);
+}
+
+static void dsi_encoder_enable(struct drm_encoder *encoder)
+{
+ struct dw_dsi *dsi = encoder_to_dsi(encoder);
+
+ if (dsi->enable)
+ return;
+
+ hisi_dsi_ops->encoder_enable(encoder);
+
+ if (hisi_dsi_ops->version == KIRIN960_DSI) {
+ /* turn on panel */
+ if (dsi->panel && drm_panel_prepare(dsi->panel))
+ DRM_ERROR("failed to prepare panel\n");
+
+ /*dw_dsi_set_mode(dsi, DSI_VIDEO_MODE);*/
+
+ /* turn on panel's back light */
+ if (dsi->panel && drm_panel_enable(dsi->panel))
+ DRM_ERROR("failed to enable panel\n");
+ }
+
+ dsi->enable = true;
+}
+
+static void dw_dsi_set_mode(struct dw_dsi *dsi, enum dsi_work_mode mode)
+{
+ struct dsi_hw_ctx *ctx = dsi->ctx;
+ void __iomem *base = ctx->base;
+
+ writel(RESET, base + PWR_UP);
+ writel(mode, base + MODE_CFG);
+ writel(POWERUP, base + PWR_UP);
+}
+
+static void dsi_encoder_disable(struct drm_encoder *encoder)
+{
+ struct dw_dsi *dsi = encoder_to_dsi(encoder);
+ struct dsi_hw_ctx *ctx = dsi->ctx;
+
+ if (!dsi->enable)
+ return;
+
+ dw_dsi_set_mode(dsi, DSI_COMMAND_MODE);
+
+ if (hisi_dsi_ops->version == KIRIN960_DSI) {
+ /* turn off panel's backlight */
+ if (dsi->panel && drm_panel_disable(dsi->panel))
+ DRM_ERROR("failed to disable panel\n");
+
+ /* turn off panel */
+ if (dsi->panel && drm_panel_unprepare(dsi->panel))
+ DRM_ERROR("failed to unprepare panel\n");
+
+ clk_disable_unprepare(ctx->dss_dphy0_ref_clk);
+ clk_disable_unprepare(ctx->dss_dphy0_cfg_clk);
+ clk_disable_unprepare(ctx->dss_pclk_dsi0_clk);
+ }
+
+ dsi->enable = false;
+}
+
+static const struct drm_encoder_helper_funcs dw_encoder_helper_funcs = {
+ .atomic_check = dsi_encoder_atomic_check,
+ .mode_valid = dsi_encoder_mode_valid,
+ .mode_set = dsi_encoder_mode_set,
+ .enable = dsi_encoder_enable,
+ .disable = dsi_encoder_disable
+};
+
+/****************************************************************************/
+static int dsi_bridge_init(struct drm_device *dev, struct dw_dsi *dsi)
+{
+ struct drm_encoder *encoder = &dsi->encoder;
+ struct drm_bridge *bridge = dsi->bridge;
+ int ret;
+
+ /* associate the bridge to dsi encoder */
+ ret = drm_bridge_attach(encoder, bridge, NULL, 0);
+
+ if (ret) {
+ DRM_ERROR("failed to attach external bridge\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int dw_drm_encoder_init(struct device *dev, struct drm_device *drm_dev,
+ struct drm_encoder *encoder)
+{
+ int ret;
+ u32 crtc_mask = drm_of_find_possible_crtcs(drm_dev, dev->of_node);
+
+ if (!crtc_mask) {
+ DRM_ERROR("failed to find crtc mask\n");
+ return -EINVAL;
+ }
+
+ encoder->possible_crtcs = crtc_mask;
+ ret = drm_encoder_init(drm_dev, encoder, &dw_encoder_funcs,
+ DRM_MODE_ENCODER_DSI, NULL);
+ if (ret) {
+ DRM_ERROR("failed to init dsi encoder\n");
+ return ret;
+ }
+
+ drm_encoder_helper_add(encoder, &dw_encoder_helper_funcs);
+
+ return 0;
+}
+
+static int dsi_bind(struct device *dev, struct device *master, void *data)
+{
+ struct dsi_data *ddata = dev_get_drvdata(dev);
+ struct dw_dsi *dsi = &ddata->dsi;
+ struct drm_device *drm_dev = data;
+ int ret;
+
+ DRM_INFO("+.\n");
+ ret = dw_drm_encoder_init(dev, drm_dev, &dsi->encoder);
+ if (ret)
+ return ret;
+
+ if (dsi->bridge) {
+ ret = dsi_bridge_init(drm_dev, dsi);
+ if (ret)
+ return ret;
+ }
+
+ if (hisi_dsi_ops->version == KIRIN960_DSI) {
+ if (dsi->panel) {
+ ret = dsi_connector_init(drm_dev, dsi);
+ if (ret)
+ return ret;
+ }
+ } else if (hisi_dsi_ops->version == KIRIN620_DSI) {
+ /*the panel for the kirin620 drm have not support*/
+ }
+
+ DRM_INFO("-.\n");
+ return 0;
+}
+
+static void dsi_unbind(struct device *dev, struct device *master, void *data)
+{
+ /* do nothing */
+}
+
+static const struct component_ops dsi_ops = {
+ .bind = dsi_bind,
+ .unbind = dsi_unbind,
+};
+
+static int dsi_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct dsi_data *data;
+ struct dw_dsi *dsi;
+ struct dsi_hw_ctx *ctx;
+ int ret;
+
+ hisi_dsi_ops = (struct kirin_dsi_ops *)of_device_get_match_data(dev);
+
+ DRM_INFO("+.\n");
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ DRM_ERROR("failed to allocate dsi data.\n");
+ return -ENOMEM;
+ }
+ dsi = &data->dsi;
+ ctx = &data->ctx;
+ dsi->ctx = ctx;
+
+ if (hisi_dsi_ops == NULL)
+ DRM_ERROR("hisi_dsi_ops is not bind\n");
+ ret = hisi_dsi_ops->host_init(dev, dsi);
+ if (ret)
+ return ret;
+
+ ret = hisi_dsi_ops->parse_dt(pdev, dsi);
+ if (ret)
+ goto err_host_unregister;
+
+ platform_set_drvdata(pdev, data);
+
+ ret = component_add(dev, &dsi_ops);
+ if (ret)
+ goto err_host_unregister;
+
+ DRM_INFO("-.\n");
+ return 0;
+
+err_host_unregister:
+ mipi_dsi_host_unregister(&dsi->host);
+ return ret;
+}
+
+static int dsi_remove(struct platform_device *pdev)
+{
+ component_del(&pdev->dev, &dsi_ops);
+
+ return 0;
+}
+
+static const struct of_device_id dsi_of_match[] = {
+#ifdef CONFIG_DRM_HISI_KIRIN960
+ {
+ .compatible = "hisilicon,hi3660-dsi",
+ .data = &kirin_dsi_960,
+ },
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN620
+ {
+ .compatible = "hisilicon,hi6220-dsi",
+ .data = &kirin_dsi_620,
+ },
+#endif
+ { /* end node */ }
+};
+MODULE_DEVICE_TABLE(of, dsi_of_match);
+
+static struct platform_driver dsi_driver = {
+ .probe = dsi_probe,
+ .remove = dsi_remove,
+ .driver = {
+ .name = "dw-dsi",
+ .of_match_table = dsi_of_match,
+ },
+};
+
+module_platform_driver(dsi_driver);
+
+MODULE_DESCRIPTION("DesignWare MIPI DSI Host Controller v1.02 driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.h
new file mode 100644
index 0000000..08f353f
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.h
@@ -0,0 +1,253 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef __KIRIN_DRM_DSI_H__
+#define __KIRIN_DRM_DSI_H__
+
+#include <linux/clk.h>
+#include <linux/component.h>
+#include <linux/of_graph.h>
+#include <linux/iopoll.h>
+#include <video/mipi_display.h>
+#include <linux/gpio/consumer.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+
+#include <drm/drm_of.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_encoder_slave.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_panel.h>
+
+#define ROUND(x, y) ((x) / (y) + ((x) % (y) * 10 / (y) >= 5 ? 1 : 0))
+#define PHY_REF_CLK_RATE 19200000
+#define PHY_REF_CLK_PERIOD_PS (1000000000 / (PHY_REF_CLK_RATE / 1000))
+
+#define encoder_to_dsi(encoder) container_of(encoder, struct dw_dsi, encoder)
+#define host_to_dsi(host) container_of(host, struct dw_dsi, host)
+#define connector_to_dsi(connector) \
+ container_of(connector, struct dw_dsi, connector)
+
+enum dsi_output_client { OUT_HDMI = 0, OUT_PANEL, OUT_MAX };
+
+struct dsi_phy_range {
+ u32 min_range_kHz;
+ u32 max_range_kHz;
+ u32 pll_vco_750M;
+ u32 hstx_ckg_sel;
+};
+
+static const struct dsi_phy_range dphy_range_info[] = {
+ { 46875, 62500, 1, 7 },
+ { 62500, 93750, 0, 7 },
+ { 93750, 125000, 1, 6 },
+ { 125000, 187500, 0, 6 },
+ { 187500, 250000, 1, 5 },
+ { 250000, 375000, 0, 5 },
+ { 375000, 500000, 1, 4 },
+ { 500000, 750000, 0, 4 },
+ { 750000, 1000000, 1, 0 },
+ { 1000000, 1500000, 0, 0 }
+};
+
+struct dsi_hw_ctx {
+ void __iomem *base;
+ char __iomem *peri_crg_base;
+
+ struct clk *pclk;
+ struct clk *dss_dphy0_ref_clk;
+ struct clk *dss_dphy1_ref_clk;
+ struct clk *dss_dphy0_cfg_clk;
+ struct clk *dss_dphy1_cfg_clk;
+ struct clk *dss_pclk_dsi0_clk;
+ struct clk *dss_pclk_dsi1_clk;
+};
+
+struct mipi_panel_info {
+ u8 dsi_version;
+ u8 vc;
+ u8 lane_nums;
+ u8 lane_nums_select_support;
+ u8 color_mode;
+ u32 dsi_bit_clk; /* clock lane(p/n) */
+ u32 burst_mode;
+ u32 max_tx_esc_clk;
+ u8 non_continue_en;
+
+ u32 dsi_bit_clk_val1;
+ u32 dsi_bit_clk_val2;
+ u32 dsi_bit_clk_val3;
+ u32 dsi_bit_clk_val4;
+ u32 dsi_bit_clk_val5;
+ u32 dsi_bit_clk_upt;
+ /*uint32_t dsi_pclk_rate;*/
+
+ u32 hs_wr_to_time;
+
+ /* dphy config parameter adjust*/
+ u32 clk_post_adjust;
+ u32 clk_pre_adjust;
+ u32 clk_pre_delay_adjust;
+ u32 clk_t_hs_exit_adjust;
+ u32 clk_t_hs_trial_adjust;
+ u32 clk_t_hs_prepare_adjust;
+ int clk_t_lpx_adjust;
+ u32 clk_t_hs_zero_adjust;
+ u32 data_post_delay_adjust;
+ int data_t_lpx_adjust;
+ u32 data_t_hs_prepare_adjust;
+ u32 data_t_hs_zero_adjust;
+ u32 data_t_hs_trial_adjust;
+ u32 rg_vrefsel_vcm_adjust;
+
+ /*only for Chicago<3660> use*/
+ u32 rg_vrefsel_vcm_clk_adjust;
+ u32 rg_vrefsel_vcm_data_adjust;
+};
+
+struct mipi_phy_params {
+ u32 clk_t_lpx;
+ u32 clk_t_hs_prepare;
+ u32 clk_t_hs_zero;
+ u32 clk_t_hs_trial;
+ u32 clk_t_wakeup;
+ u32 data_t_lpx;
+ u32 data_t_hs_prepare;
+ u32 data_t_hs_zero;
+ u32 data_t_hs_trial;
+ u32 data_t_ta_go;
+ u32 data_t_ta_get;
+ u32 data_t_wakeup;
+ u32 hstx_ckg_sel;
+ u32 pll_fbd_div5f;
+ u32 pll_fbd_div1f;
+ u32 pll_fbd_2p;
+ u32 pll_enbwt;
+ u32 pll_fbd_p;
+ u32 pll_fbd_s;
+ u32 pll_pre_div1p;
+ u32 pll_pre_p;
+ u32 pll_vco_750M;
+ u32 pll_lpf_rs;
+ u32 pll_lpf_cs;
+ u32 clk_division;
+ /********for hikey620************/
+ u32 clklp2hs_time;
+ u32 clkhs2lp_time;
+ u32 lp2hs_time;
+ u32 hs2lp_time;
+ u32 clk_to_data_delay;
+ u32 data_to_clk_delay;
+ u32 lane_byte_clk_kHz;
+ /*****************/
+
+ /****for hikey960*****/
+ u64 lane_byte_clk;
+
+ u32 clk_lane_lp2hs_time;
+ u32 clk_lane_hs2lp_time;
+ u32 data_lane_lp2hs_time;
+ u32 data_lane_hs2lp_time;
+ u32 clk2data_delay;
+ u32 data2clk_delay;
+
+ u32 clk_pre_delay;
+ u32 clk_post_delay;
+ u32 data_pre_delay;
+ u32 data_post_delay;
+ u32 phy_stop_wait_time;
+ u32 rg_vrefsel_vcm;
+
+ u32 rg_pll_enswc;
+ u32 rg_pll_chp;
+
+ u32 pll_register_override; /*0x1E[0]*/
+ u32 pll_power_down; /*0x1E[1]*/
+ u32 rg_band_sel; /*0x1E[2]*/
+ u32 rg_phase_gen_en; /*0x1E[3]*/
+ u32 reload_sel; /*0x1E[4]*/
+ u32 rg_pll_cp_p; /*0x1E[7:5]*/
+ u32 rg_pll_refsel; /*0x16[1:0]*/
+ u32 rg_pll_cp; /*0x16[7:5]*/
+ u32 load_command;
+ /*********/
+};
+
+struct ldi_panel_info {
+ u32 h_back_porch;
+ u32 h_front_porch;
+ u32 h_pulse_width;
+
+ /*
+ * note: vbp > 8 if used overlay compose,
+ * also lcd vbp > 8 in lcd power on sequence
+ */
+ u32 v_back_porch;
+ u32 v_front_porch;
+ u32 v_pulse_width;
+
+ u8 hsync_plr;
+ u8 vsync_plr;
+ u8 pixelclk_plr;
+ u8 data_en_plr;
+
+ /* for cabc */
+ u8 dpi0_overlap_size;
+ u8 dpi1_overlap_size;
+};
+
+struct dw_dsi_client {
+ u32 lanes;
+ u32 phy_clock; /* in kHz */
+ enum mipi_dsi_pixel_format format;
+ unsigned long mode_flags;
+};
+
+struct dw_dsi {
+ struct drm_encoder encoder;
+ struct drm_bridge *bridge;
+ struct drm_panel *panel;
+ struct mipi_dsi_host host;
+ struct drm_connector connector; /* connector for panel */
+ struct drm_display_mode cur_mode;
+ struct dsi_hw_ctx *ctx;
+ struct mipi_phy_params phy;
+ struct mipi_panel_info mipi;
+ struct ldi_panel_info ldi;
+ u32 lanes;
+ enum mipi_dsi_pixel_format format;
+ unsigned long mode_flags;
+ struct gpio_desc *gpio_mux;
+ struct dw_dsi_client client[OUT_MAX];
+ enum dsi_output_client cur_client;
+ bool enable;
+};
+
+struct dsi_data {
+ struct dw_dsi dsi;
+ struct dsi_hw_ctx ctx;
+};
+
+enum kirin_dsi_version {
+ KIRIN620_DSI = 0,
+ KIRIN960_DSI
+};
+
+/* display controller init/cleanup ops */
+struct kirin_dsi_ops {
+ enum kirin_dsi_version version;
+ int (*parse_dt)(struct platform_device *pdev, struct dw_dsi *dsi);
+ int (*host_init)(struct device *dev, struct dw_dsi *dsi);
+ void (*encoder_enable)(struct drm_encoder *encoder);
+ enum drm_mode_status (*encoder_valid)(
+ struct drm_encoder *encoder,
+ const struct drm_display_mode *mode);
+};
+
+#ifdef CONFIG_DRM_HISI_KIRIN960
+extern const struct kirin_dsi_ops kirin_dsi_960;
+#endif
+#ifdef CONFIG_DRM_HISI_KIRIN620
+extern const struct kirin_dsi_ops kirin_dsi_620;
+#endif
+
+#endif /* __KIRIN_DRM_DSI_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_user.c b/drivers/gpu/drm/i915/gt/intel_engine_user.c
index da21d2a..34e6096 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_user.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_user.c
@@ -49,8 +49,7 @@ static const u8 uabi_classes[] = {
[VIDEO_ENHANCEMENT_CLASS] = I915_ENGINE_CLASS_VIDEO_ENHANCE,
};
-static int engine_cmp(void *priv, const struct list_head *A,
- const struct list_head *B)
+static int engine_cmp(void *priv, struct list_head *A, struct list_head *B)
{
const struct intel_engine_cs *a =
container_of((struct rb_node *)A, typeof(*a), uabi_node);
diff --git a/drivers/gpu/drm/i915/gvt/debugfs.c b/drivers/gpu/drm/i915/gvt/debugfs.c
index 9f1c209..62e6a14 100644
--- a/drivers/gpu/drm/i915/gvt/debugfs.c
+++ b/drivers/gpu/drm/i915/gvt/debugfs.c
@@ -41,7 +41,7 @@ struct diff_mmio {
/* Compare two diff_mmio items. */
static int mmio_offset_compare(void *priv,
- const struct list_head *a, const struct list_head *b)
+ struct list_head *a, struct list_head *b)
{
struct diff_mmio *ma;
struct diff_mmio *mb;
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 65e28c4..713770f 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1075,8 +1075,7 @@ static int igt_ppgtt_shrink_boom(void *arg)
return exercise_ppgtt(arg, shrink_boom);
}
-static int sort_holes(void *priv, const struct list_head *A,
- const struct list_head *B)
+static int sort_holes(void *priv, struct list_head *A, struct list_head *B)
{
struct drm_mm_node *a = list_entry(A, typeof(*a), hole_stack);
struct drm_mm_node *b = list_entry(B, typeof(*b), hole_stack);
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 22ac7c6..50d8817 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -139,7 +139,6 @@ static void msm_iommu_tlb_add_page(struct iommu_iotlb_gather *gather,
static const struct iommu_flush_ops null_tlb_ops = {
.tlb_flush_all = msm_iommu_tlb_flush_all,
.tlb_flush_walk = msm_iommu_tlb_flush_walk,
- .tlb_flush_leaf = msm_iommu_tlb_flush_walk,
.tlb_add_page = msm_iommu_tlb_add_page,
};
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index 7fc45b1..7a854be 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -341,16 +341,9 @@ static void mmu_tlb_flush_walk(unsigned long iova, size_t size, size_t granule,
mmu_tlb_sync_context(cookie);
}
-static void mmu_tlb_flush_leaf(unsigned long iova, size_t size, size_t granule,
- void *cookie)
-{
- mmu_tlb_sync_context(cookie);
-}
-
static const struct iommu_flush_ops mmu_tlb_ops = {
.tlb_flush_all = mmu_tlb_inv_context_s1,
.tlb_flush_walk = mmu_tlb_flush_walk,
- .tlb_flush_leaf = mmu_tlb_flush_leaf,
};
static struct panfrost_gem_mapping *
diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c
index 46b0d1c4a..d5e8e3a 100644
--- a/drivers/gpu/drm/pl111/pl111_drv.c
+++ b/drivers/gpu/drm/pl111/pl111_drv.c
@@ -324,7 +324,7 @@ static int pl111_amba_probe(struct amba_device *amba_dev,
return ret;
}
-static int pl111_amba_remove(struct amba_device *amba_dev)
+static void pl111_amba_remove(struct amba_device *amba_dev)
{
struct device *dev = &amba_dev->dev;
struct drm_device *drm = amba_get_drvdata(amba_dev);
@@ -335,8 +335,6 @@ static int pl111_amba_remove(struct amba_device *amba_dev)
drm_panel_bridge_remove(priv->bridge);
drm_dev_put(drm);
of_reserved_mem_device_release(dev);
-
- return 0;
}
/*
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index a78b60b..21ce2f9 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -394,8 +394,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
return 0;
}
-static int cmp_size_smaller_first(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int cmp_size_smaller_first(void *priv, struct list_head *a,
+ struct list_head *b)
{
struct radeon_bo_list *la = list_entry(a, struct radeon_bo_list, tv.head);
struct radeon_bo_list *lb = list_entry(b, struct radeon_bo_list, tv.head);
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index f84b7e6..3f7d579 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -296,10 +296,6 @@ virtio_gpu_user_framebuffer_create(struct drm_device *dev,
struct virtio_gpu_framebuffer *virtio_gpu_fb;
int ret;
- if (mode_cmd->pixel_format != DRM_FORMAT_HOST_XRGB8888 &&
- mode_cmd->pixel_format != DRM_FORMAT_HOST_ARGB8888)
- return ERR_PTR(-ENOENT);
-
/* lookup object associated with res handle */
obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
if (!obj)
@@ -333,7 +329,6 @@ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
if (ret)
return ret;
- vgdev->ddev->mode_config.quirk_addfb_prefer_host_byte_order = true;
vgdev->ddev->mode_config.funcs = &virtio_gpu_mode_funcs;
/* modes will be validated against the framebuffer size */
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 6a311cd..bc15db7 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -31,7 +31,14 @@
#include "virtgpu_drv.h"
static const uint32_t virtio_gpu_formats[] = {
- DRM_FORMAT_HOST_XRGB8888,
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_BGRX8888,
+ DRM_FORMAT_BGRA8888,
+ DRM_FORMAT_RGBX8888,
+ DRM_FORMAT_RGBA8888,
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_ABGR8888,
};
static const uint32_t virtio_gpu_cursor_formats[] = {
@@ -43,6 +50,32 @@ uint32_t virtio_gpu_translate_format(uint32_t drm_fourcc)
uint32_t format;
switch (drm_fourcc) {
+#ifdef __BIG_ENDIAN
+ case DRM_FORMAT_XRGB8888:
+ format = VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM;
+ break;
+ case DRM_FORMAT_ARGB8888:
+ format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
+ break;
+ case DRM_FORMAT_BGRX8888:
+ format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
+ break;
+ case DRM_FORMAT_BGRA8888:
+ format = VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM;
+ break;
+ case DRM_FORMAT_RGBX8888:
+ format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
+ break;
+ case DRM_FORMAT_RGBA8888:
+ format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
+ break;
+ case DRM_FORMAT_XBGR8888:
+ format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
+ break;
+ case DRM_FORMAT_ABGR8888:
+ format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
+ break;
+#else
case DRM_FORMAT_XRGB8888:
format = VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM;
break;
@@ -55,6 +88,19 @@ uint32_t virtio_gpu_translate_format(uint32_t drm_fourcc)
case DRM_FORMAT_BGRA8888:
format = VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM;
break;
+ case DRM_FORMAT_RGBX8888:
+ format = VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM;
+ break;
+ case DRM_FORMAT_RGBA8888:
+ format = VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM;
+ break;
+ case DRM_FORMAT_XBGR8888:
+ format = VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM;
+ break;
+ case DRM_FORMAT_ABGR8888:
+ format = VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM;
+ break;
+#endif
default:
/*
* This should not happen, we handle everything listed
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index f1a5137..f493b20 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -866,7 +866,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
user_srf->prime.base.shareable = false;
user_srf->prime.base.tfile = NULL;
if (drm_is_primary_client(file_priv))
- user_srf->master = drm_file_get_master(file_priv);
+ user_srf->master = drm_master_get(file_priv->master);
/**
* From this point, the generic resource management functions
@@ -1537,7 +1537,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
user_srf = container_of(srf, struct vmw_user_surface, srf);
if (drm_is_primary_client(file_priv))
- user_srf->master = drm_file_get_master(file_priv);
+ user_srf->master = drm_master_get(file_priv->master);
ret = ttm_read_lock(&dev_priv->reservation_sem, true);
if (unlikely(ret != 0))
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 54bc563..a347368 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -719,6 +719,17 @@
To compile this driver as a module, choose M here: the
module will be called hid-multitouch.
+config HID_NINTENDO
+ tristate "Nintendo Joy-Con and Pro Controller support"
+ depends on HID
+ help
+ Adds support for the Nintendo Switch Joy-Cons and Pro Controller.
+ All controllers support bluetooth, and the Pro Controller also supports
+ its USB mode.
+
+ To compile this driver as a module, choose M here: the
+ module will be called hid-nintendo.
+
config HID_NTI
tristate "NTI keyboard adapters"
help
@@ -853,6 +864,24 @@
Say M here if you may ever plug in a Plantronics USB audio device.
+config HID_PLAYSTATION
+ tristate "PlayStation HID Driver"
+ depends on HID
+ select CRC32
+ select POWER_SUPPLY
+ help
+ Provides support for Sony PS5 controllers including support for
+ its special functionalities e.g. touchpad, lights and motion
+ sensors.
+
+config PLAYSTATION_FF
+ bool "PlayStation force feedback support"
+ depends on HID_PLAYSTATION
+ select INPUT_FF_MEMLESS
+ help
+ Say Y here if you would like to enable force feedback support for
+ PlayStation game controllers.
+
config HID_PRIMAX
tristate "Primax non-fully HID-compliant devices"
depends on HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 4acb583..d450259 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -77,6 +77,7 @@
obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o
obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o
obj-$(CONFIG_HID_MULTITOUCH) += hid-multitouch.o
+obj-$(CONFIG_HID_NINTENDO) += hid-nintendo.o
obj-$(CONFIG_HID_NTI) += hid-nti.o
obj-$(CONFIG_HID_NTRIG) += hid-ntrig.o
obj-$(CONFIG_HID_ORTEK) += hid-ortek.o
@@ -94,6 +95,7 @@
hid-picolcd-$(CONFIG_DEBUG_FS) += hid-picolcd_debugfs.o
obj-$(CONFIG_HID_PLANTRONICS) += hid-plantronics.o
+obj-$(CONFIG_HID_PLAYSTATION) += hid-playstation.o
obj-$(CONFIG_HID_PRIMAX) += hid-primax.o
obj-$(CONFIG_HID_REDRAGON) += hid-redragon.o
obj-$(CONFIG_HID_RETRODE) += hid-retrode.o
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 136b58a..3bed373 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -901,6 +901,9 @@
#define USB_VENDOR_ID_NINTENDO 0x057e
#define USB_DEVICE_ID_NINTENDO_WIIMOTE 0x0306
#define USB_DEVICE_ID_NINTENDO_WIIMOTE2 0x0330
+#define USB_DEVICE_ID_NINTENDO_JOYCONL 0x2006
+#define USB_DEVICE_ID_NINTENDO_JOYCONR 0x2007
+#define USB_DEVICE_ID_NINTENDO_PROCON 0x2009
#define USB_VENDOR_ID_NOVATEK 0x0603
#define USB_DEVICE_ID_NOVATEK_PCT 0x0600
@@ -1078,6 +1081,7 @@
#define USB_DEVICE_ID_SONY_PS4_CONTROLLER 0x05c4
#define USB_DEVICE_ID_SONY_PS4_CONTROLLER_2 0x09cc
#define USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE 0x0ba0
+#define USB_DEVICE_ID_SONY_PS5_CONTROLLER 0x0ce6
#define USB_DEVICE_ID_SONY_MOTION_CONTROLLER 0x03d5
#define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER 0x042f
#define USB_DEVICE_ID_SONY_BUZZ_CONTROLLER 0x0002
diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
new file mode 100644
index 0000000..3695b96
--- /dev/null
+++ b/drivers/hid/hid-nintendo.c
@@ -0,0 +1,820 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * HID driver for Nintendo Switch Joy-Cons and Pro Controllers
+ *
+ * Copyright (c) 2019 Daniel J. Ogorchock <djogorchock@gmail.com>
+ *
+ * The following resources/projects were referenced for this driver:
+ * https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+ * https://gitlab.com/pjranki/joycon-linux-kernel (Peter Rankin)
+ * https://github.com/FrotBot/SwitchProConLinuxUSB
+ * https://github.com/MTCKC/ProconXInput
+ * hid-wiimote kernel hid driver
+ * hid-logitech-hidpp driver
+ *
+ * This driver supports the Nintendo Switch Joy-Cons and Pro Controllers. The
+ * Pro Controllers can either be used over USB or Bluetooth.
+ *
+ * The driver will retrieve the factory calibration info from the controllers,
+ * so little to no user calibration should be required.
+ *
+ */
+
+#include "hid-ids.h"
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+
+/*
+ * Reference the url below for the following HID report defines:
+ * https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+ */
+
+/* Output Reports */
+static const u8 JC_OUTPUT_RUMBLE_AND_SUBCMD = 0x01;
+static const u8 JC_OUTPUT_FW_UPDATE_PKT = 0x03;
+static const u8 JC_OUTPUT_RUMBLE_ONLY = 0x10;
+static const u8 JC_OUTPUT_MCU_DATA = 0x11;
+static const u8 JC_OUTPUT_USB_CMD = 0x80;
+
+/* Subcommand IDs */
+static const u8 JC_SUBCMD_STATE /*= 0x00*/;
+static const u8 JC_SUBCMD_MANUAL_BT_PAIRING = 0x01;
+static const u8 JC_SUBCMD_REQ_DEV_INFO = 0x02;
+static const u8 JC_SUBCMD_SET_REPORT_MODE = 0x03;
+static const u8 JC_SUBCMD_TRIGGERS_ELAPSED = 0x04;
+static const u8 JC_SUBCMD_GET_PAGE_LIST_STATE = 0x05;
+static const u8 JC_SUBCMD_SET_HCI_STATE = 0x06;
+static const u8 JC_SUBCMD_RESET_PAIRING_INFO = 0x07;
+static const u8 JC_SUBCMD_LOW_POWER_MODE = 0x08;
+static const u8 JC_SUBCMD_SPI_FLASH_READ = 0x10;
+static const u8 JC_SUBCMD_SPI_FLASH_WRITE = 0x11;
+static const u8 JC_SUBCMD_RESET_MCU = 0x20;
+static const u8 JC_SUBCMD_SET_MCU_CONFIG = 0x21;
+static const u8 JC_SUBCMD_SET_MCU_STATE = 0x22;
+static const u8 JC_SUBCMD_SET_PLAYER_LIGHTS = 0x30;
+static const u8 JC_SUBCMD_GET_PLAYER_LIGHTS = 0x31;
+static const u8 JC_SUBCMD_SET_HOME_LIGHT = 0x38;
+static const u8 JC_SUBCMD_ENABLE_IMU = 0x40;
+static const u8 JC_SUBCMD_SET_IMU_SENSITIVITY = 0x41;
+static const u8 JC_SUBCMD_WRITE_IMU_REG = 0x42;
+static const u8 JC_SUBCMD_READ_IMU_REG = 0x43;
+static const u8 JC_SUBCMD_ENABLE_VIBRATION = 0x48;
+static const u8 JC_SUBCMD_GET_REGULATED_VOLTAGE = 0x50;
+
+/* Input Reports */
+static const u8 JC_INPUT_BUTTON_EVENT = 0x3F;
+static const u8 JC_INPUT_SUBCMD_REPLY = 0x21;
+static const u8 JC_INPUT_IMU_DATA = 0x30;
+static const u8 JC_INPUT_MCU_DATA = 0x31;
+static const u8 JC_INPUT_USB_RESPONSE = 0x81;
+
+/* Feature Reports */
+static const u8 JC_FEATURE_LAST_SUBCMD = 0x02;
+static const u8 JC_FEATURE_OTA_FW_UPGRADE = 0x70;
+static const u8 JC_FEATURE_SETUP_MEM_READ = 0x71;
+static const u8 JC_FEATURE_MEM_READ = 0x72;
+static const u8 JC_FEATURE_ERASE_MEM_SECTOR = 0x73;
+static const u8 JC_FEATURE_MEM_WRITE = 0x74;
+static const u8 JC_FEATURE_LAUNCH = 0x75;
+
+/* USB Commands */
+static const u8 JC_USB_CMD_CONN_STATUS = 0x01;
+static const u8 JC_USB_CMD_HANDSHAKE = 0x02;
+static const u8 JC_USB_CMD_BAUDRATE_3M = 0x03;
+static const u8 JC_USB_CMD_NO_TIMEOUT = 0x04;
+static const u8 JC_USB_CMD_EN_TIMEOUT = 0x05;
+static const u8 JC_USB_RESET = 0x06;
+static const u8 JC_USB_PRE_HANDSHAKE = 0x91;
+static const u8 JC_USB_SEND_UART = 0x92;
+
+/* SPI storage addresses of factory calibration data */
+static const u16 JC_CAL_DATA_START = 0x603d;
+static const u16 JC_CAL_DATA_END = 0x604e;
+#define JC_CAL_DATA_SIZE (JC_CAL_DATA_END - JC_CAL_DATA_START + 1)
+
+
+/* The raw analog joystick values will be mapped in terms of this magnitude */
+static const u16 JC_MAX_STICK_MAG = 32767;
+static const u16 JC_STICK_FUZZ = 250;
+static const u16 JC_STICK_FLAT = 500;
+
+/* States for controller state machine */
+enum joycon_ctlr_state {
+ JOYCON_CTLR_STATE_INIT,
+ JOYCON_CTLR_STATE_READ,
+};
+
+struct joycon_stick_cal {
+ s32 max;
+ s32 min;
+ s32 center;
+};
+
+/*
+ * All the controller's button values are stored in a u32.
+ * They can be accessed with bitwise ANDs.
+ */
+static const u32 JC_BTN_Y = BIT(0);
+static const u32 JC_BTN_X = BIT(1);
+static const u32 JC_BTN_B = BIT(2);
+static const u32 JC_BTN_A = BIT(3);
+static const u32 JC_BTN_SR_R = BIT(4);
+static const u32 JC_BTN_SL_R = BIT(5);
+static const u32 JC_BTN_R = BIT(6);
+static const u32 JC_BTN_ZR = BIT(7);
+static const u32 JC_BTN_MINUS = BIT(8);
+static const u32 JC_BTN_PLUS = BIT(9);
+static const u32 JC_BTN_RSTICK = BIT(10);
+static const u32 JC_BTN_LSTICK = BIT(11);
+static const u32 JC_BTN_HOME = BIT(12);
+static const u32 JC_BTN_CAP = BIT(13); /* capture button */
+static const u32 JC_BTN_DOWN = BIT(16);
+static const u32 JC_BTN_UP = BIT(17);
+static const u32 JC_BTN_RIGHT = BIT(18);
+static const u32 JC_BTN_LEFT = BIT(19);
+static const u32 JC_BTN_SR_L = BIT(20);
+static const u32 JC_BTN_SL_L = BIT(21);
+static const u32 JC_BTN_L = BIT(22);
+static const u32 JC_BTN_ZL = BIT(23);
+
+enum joycon_msg_type {
+ JOYCON_MSG_TYPE_NONE,
+ JOYCON_MSG_TYPE_USB,
+ JOYCON_MSG_TYPE_SUBCMD,
+};
+
+struct joycon_subcmd_request {
+ u8 output_id; /* must be 0x01 for subcommand, 0x10 for rumble only */
+ u8 packet_num; /* incremented every send */
+ u8 rumble_data[8];
+ u8 subcmd_id;
+ u8 data[0]; /* length depends on the subcommand */
+} __packed;
+
+struct joycon_subcmd_reply {
+ u8 ack; /* MSB 1 for ACK, 0 for NACK */
+ u8 id; /* id of requested subcmd */
+ u8 data[0]; /* will be at most 35 bytes */
+} __packed;
+
+struct joycon_input_report {
+ u8 id;
+ u8 timer;
+ u8 bat_con; /* battery and connection info */
+ u8 button_status[3];
+ u8 left_stick[3];
+ u8 right_stick[3];
+ u8 vibrator_report;
+
+ /*
+ * If support for firmware updates, gyroscope data, and/or NFC/IR
+ * are added in the future, this can be swapped for a union.
+ */
+ struct joycon_subcmd_reply reply;
+} __packed;
+
+#define JC_MAX_RESP_SIZE (sizeof(struct joycon_input_report) + 35)
+
+/* Each physical controller is associated with a joycon_ctlr struct */
+struct joycon_ctlr {
+ struct hid_device *hdev;
+ struct input_dev *input;
+ enum joycon_ctlr_state ctlr_state;
+
+ /* The following members are used for synchronous sends/receives */
+ enum joycon_msg_type msg_type;
+ u8 subcmd_num;
+ struct mutex output_mutex;
+ u8 input_buf[JC_MAX_RESP_SIZE];
+ wait_queue_head_t wait;
+ bool received_resp;
+ u8 usb_ack_match;
+ u8 subcmd_ack_match;
+
+ /* factory calibration data */
+ struct joycon_stick_cal left_stick_cal_x;
+ struct joycon_stick_cal left_stick_cal_y;
+ struct joycon_stick_cal right_stick_cal_x;
+ struct joycon_stick_cal right_stick_cal_y;
+
+};
+
+static int __joycon_hid_send(struct hid_device *hdev, u8 *data, size_t len)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmemdup(data, len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ ret = hid_hw_output_report(hdev, buf, len);
+ kfree(buf);
+ if (ret < 0)
+ hid_dbg(hdev, "Failed to send output report ret=%d\n", ret);
+ return ret;
+}
+
+static int joycon_hid_send_sync(struct joycon_ctlr *ctlr, u8 *data, size_t len)
+{
+ int ret;
+
+ ret = __joycon_hid_send(ctlr->hdev, data, len);
+ if (ret < 0) {
+ memset(ctlr->input_buf, 0, JC_MAX_RESP_SIZE);
+ return ret;
+ }
+
+ if (!wait_event_timeout(ctlr->wait, ctlr->received_resp, HZ)) {
+ hid_dbg(ctlr->hdev, "synchronous send/receive timed out\n");
+ memset(ctlr->input_buf, 0, JC_MAX_RESP_SIZE);
+ return -ETIMEDOUT;
+ }
+
+ ctlr->received_resp = false;
+ return 0;
+}
+
+static int joycon_send_usb(struct joycon_ctlr *ctlr, u8 cmd)
+{
+ int ret;
+ u8 buf[2] = {JC_OUTPUT_USB_CMD};
+
+ buf[1] = cmd;
+ ctlr->usb_ack_match = cmd;
+ ctlr->msg_type = JOYCON_MSG_TYPE_USB;
+ ret = joycon_hid_send_sync(ctlr, buf, sizeof(buf));
+ if (ret)
+ hid_dbg(ctlr->hdev, "send usb command failed; ret=%d\n", ret);
+ return ret;
+}
+
+static int joycon_send_subcmd(struct joycon_ctlr *ctlr,
+ struct joycon_subcmd_request *subcmd,
+ size_t data_len)
+{
+ int ret;
+
+ subcmd->output_id = JC_OUTPUT_RUMBLE_AND_SUBCMD;
+ subcmd->packet_num = ctlr->subcmd_num;
+ if (++ctlr->subcmd_num > 0xF)
+ ctlr->subcmd_num = 0;
+ ctlr->subcmd_ack_match = subcmd->subcmd_id;
+ ctlr->msg_type = JOYCON_MSG_TYPE_SUBCMD;
+
+ ret = joycon_hid_send_sync(ctlr, (u8 *)subcmd,
+ sizeof(*subcmd) + data_len);
+ if (ret < 0)
+ hid_dbg(ctlr->hdev, "send subcommand failed; ret=%d\n", ret);
+ else
+ ret = 0;
+ return ret;
+}
+
+/* Supply nibbles for flash and on. Ones correspond to active */
+static int joycon_set_player_leds(struct joycon_ctlr *ctlr, u8 flash, u8 on)
+{
+ struct joycon_subcmd_request *req;
+ u8 buffer[sizeof(*req) + 1] = { 0 };
+
+ req = (struct joycon_subcmd_request *)buffer;
+ req->subcmd_id = JC_SUBCMD_SET_PLAYER_LIGHTS;
+ req->data[0] = (flash << 4) | on;
+
+ hid_dbg(ctlr->hdev, "setting player leds\n");
+ return joycon_send_subcmd(ctlr, req, 1);
+}
+
+static const u16 DFLT_STICK_CAL_CEN = 2000;
+static const u16 DFLT_STICK_CAL_MAX = 3500;
+static const u16 DFLT_STICK_CAL_MIN = 500;
+static int joycon_request_calibration(struct joycon_ctlr *ctlr)
+{
+ struct joycon_subcmd_request *req;
+ u8 buffer[sizeof(*req) + 5] = { 0 };
+ struct joycon_input_report *report;
+ struct joycon_stick_cal *cal_x;
+ struct joycon_stick_cal *cal_y;
+ s32 x_max_above;
+ s32 x_min_below;
+ s32 y_max_above;
+ s32 y_min_below;
+ u8 *data;
+ u8 *raw_cal;
+ int ret;
+
+ req = (struct joycon_subcmd_request *)buffer;
+ req->subcmd_id = JC_SUBCMD_SPI_FLASH_READ;
+ data = req->data;
+ data[0] = 0xFF & JC_CAL_DATA_START;
+ data[1] = 0xFF & (JC_CAL_DATA_START >> 8);
+ data[2] = 0xFF & (JC_CAL_DATA_START >> 16);
+ data[3] = 0xFF & (JC_CAL_DATA_START >> 24);
+ data[4] = JC_CAL_DATA_SIZE;
+
+ hid_dbg(ctlr->hdev, "requesting cal data\n");
+ ret = joycon_send_subcmd(ctlr, req, 5);
+ if (ret) {
+ hid_warn(ctlr->hdev,
+ "Failed to read stick cal, using defaults; ret=%d\n",
+ ret);
+
+ ctlr->left_stick_cal_x.center = DFLT_STICK_CAL_CEN;
+ ctlr->left_stick_cal_x.max = DFLT_STICK_CAL_MAX;
+ ctlr->left_stick_cal_x.min = DFLT_STICK_CAL_MIN;
+
+ ctlr->left_stick_cal_y.center = DFLT_STICK_CAL_CEN;
+ ctlr->left_stick_cal_y.max = DFLT_STICK_CAL_MAX;
+ ctlr->left_stick_cal_y.min = DFLT_STICK_CAL_MIN;
+
+ ctlr->right_stick_cal_x.center = DFLT_STICK_CAL_CEN;
+ ctlr->right_stick_cal_x.max = DFLT_STICK_CAL_MAX;
+ ctlr->right_stick_cal_x.min = DFLT_STICK_CAL_MIN;
+
+ ctlr->right_stick_cal_y.center = DFLT_STICK_CAL_CEN;
+ ctlr->right_stick_cal_y.max = DFLT_STICK_CAL_MAX;
+ ctlr->right_stick_cal_y.min = DFLT_STICK_CAL_MIN;
+
+ return ret;
+ }
+
+ report = (struct joycon_input_report *)ctlr->input_buf;
+ raw_cal = &report->reply.data[5];
+
+ /* left stick calibration parsing */
+ cal_x = &ctlr->left_stick_cal_x;
+ cal_y = &ctlr->left_stick_cal_y;
+
+ x_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 0), 0, 12);
+ y_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 1), 4, 12);
+ cal_x->center = hid_field_extract(ctlr->hdev, (raw_cal + 3), 0, 12);
+ cal_y->center = hid_field_extract(ctlr->hdev, (raw_cal + 4), 4, 12);
+ x_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 6), 0, 12);
+ y_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 7), 4, 12);
+ cal_x->max = cal_x->center + x_max_above;
+ cal_x->min = cal_x->center - x_min_below;
+ cal_y->max = cal_y->center + y_max_above;
+ cal_y->min = cal_y->center - y_min_below;
+
+ /* right stick calibration parsing */
+ raw_cal += 9;
+ cal_x = &ctlr->right_stick_cal_x;
+ cal_y = &ctlr->right_stick_cal_y;
+
+ cal_x->center = hid_field_extract(ctlr->hdev, (raw_cal + 0), 0, 12);
+ cal_y->center = hid_field_extract(ctlr->hdev, (raw_cal + 1), 4, 12);
+ x_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 3), 0, 12);
+ y_min_below = hid_field_extract(ctlr->hdev, (raw_cal + 4), 4, 12);
+ x_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 6), 0, 12);
+ y_max_above = hid_field_extract(ctlr->hdev, (raw_cal + 7), 4, 12);
+ cal_x->max = cal_x->center + x_max_above;
+ cal_x->min = cal_x->center - x_min_below;
+ cal_y->max = cal_y->center + y_max_above;
+ cal_y->min = cal_y->center - y_min_below;
+
+ hid_dbg(ctlr->hdev, "calibration:\n"
+ "l_x_c=%d l_x_max=%d l_x_min=%d\n"
+ "l_y_c=%d l_y_max=%d l_y_min=%d\n"
+ "r_x_c=%d r_x_max=%d r_x_min=%d\n"
+ "r_y_c=%d r_y_max=%d r_y_min=%d\n",
+ ctlr->left_stick_cal_x.center,
+ ctlr->left_stick_cal_x.max,
+ ctlr->left_stick_cal_x.min,
+ ctlr->left_stick_cal_y.center,
+ ctlr->left_stick_cal_y.max,
+ ctlr->left_stick_cal_y.min,
+ ctlr->right_stick_cal_x.center,
+ ctlr->right_stick_cal_x.max,
+ ctlr->right_stick_cal_x.min,
+ ctlr->right_stick_cal_y.center,
+ ctlr->right_stick_cal_y.max,
+ ctlr->right_stick_cal_y.min);
+
+ return 0;
+}
+
+static int joycon_set_report_mode(struct joycon_ctlr *ctlr)
+{
+ struct joycon_subcmd_request *req;
+ u8 buffer[sizeof(*req) + 1] = { 0 };
+
+ req = (struct joycon_subcmd_request *)buffer;
+ req->subcmd_id = JC_SUBCMD_SET_REPORT_MODE;
+ req->data[0] = 0x30; /* standard, full report mode */
+
+ hid_dbg(ctlr->hdev, "setting controller report mode\n");
+ return joycon_send_subcmd(ctlr, req, 1);
+}
+
+static s32 joycon_map_stick_val(struct joycon_stick_cal *cal, s32 val)
+{
+ s32 center = cal->center;
+ s32 min = cal->min;
+ s32 max = cal->max;
+ s32 new_val;
+
+ if (val > center) {
+ new_val = (val - center) * JC_MAX_STICK_MAG;
+ new_val /= (max - center);
+ } else {
+ new_val = (center - val) * -JC_MAX_STICK_MAG;
+ new_val /= (center - min);
+ }
+ new_val = clamp(new_val, (s32)-JC_MAX_STICK_MAG, (s32)JC_MAX_STICK_MAG);
+ return new_val;
+}
+
+static void joycon_parse_report(struct joycon_ctlr *ctlr,
+ struct joycon_input_report *rep)
+{
+ struct input_dev *dev = ctlr->input;
+ u32 btns;
+ u32 id = ctlr->hdev->product;
+
+ btns = hid_field_extract(ctlr->hdev, rep->button_status, 0, 24);
+
+ if (id != USB_DEVICE_ID_NINTENDO_JOYCONR) {
+ u16 raw_x;
+ u16 raw_y;
+ s32 x;
+ s32 y;
+
+ /* get raw stick values */
+ raw_x = hid_field_extract(ctlr->hdev, rep->left_stick, 0, 12);
+ raw_y = hid_field_extract(ctlr->hdev,
+ rep->left_stick + 1, 4, 12);
+ /* map the stick values */
+ x = joycon_map_stick_val(&ctlr->left_stick_cal_x, raw_x);
+ y = -joycon_map_stick_val(&ctlr->left_stick_cal_y, raw_y);
+ /* report sticks */
+ input_report_abs(dev, ABS_X, x);
+ input_report_abs(dev, ABS_Y, y);
+
+ /* report buttons */
+ input_report_key(dev, BTN_TL, btns & JC_BTN_L);
+ input_report_key(dev, BTN_TL2, btns & JC_BTN_ZL);
+ if (id != USB_DEVICE_ID_NINTENDO_PROCON) {
+ /* Report the S buttons as the non-existent triggers */
+ input_report_key(dev, BTN_TR, btns & JC_BTN_SL_L);
+ input_report_key(dev, BTN_TR2, btns & JC_BTN_SR_L);
+ }
+ input_report_key(dev, BTN_SELECT, btns & JC_BTN_MINUS);
+ input_report_key(dev, BTN_THUMBL, btns & JC_BTN_LSTICK);
+ input_report_key(dev, BTN_Z, btns & JC_BTN_CAP);
+ input_report_key(dev, BTN_DPAD_DOWN, btns & JC_BTN_DOWN);
+ input_report_key(dev, BTN_DPAD_UP, btns & JC_BTN_UP);
+ input_report_key(dev, BTN_DPAD_RIGHT, btns & JC_BTN_RIGHT);
+ input_report_key(dev, BTN_DPAD_LEFT, btns & JC_BTN_LEFT);
+ }
+ if (id != USB_DEVICE_ID_NINTENDO_JOYCONL) {
+ u16 raw_x;
+ u16 raw_y;
+ s32 x;
+ s32 y;
+
+ /* get raw stick values */
+ raw_x = hid_field_extract(ctlr->hdev, rep->right_stick, 0, 12);
+ raw_y = hid_field_extract(ctlr->hdev,
+ rep->right_stick + 1, 4, 12);
+ /* map stick values */
+ x = joycon_map_stick_val(&ctlr->right_stick_cal_x, raw_x);
+ y = -joycon_map_stick_val(&ctlr->right_stick_cal_y, raw_y);
+ /* report sticks */
+ input_report_abs(dev, ABS_RX, x);
+ input_report_abs(dev, ABS_RY, y);
+
+ /* report buttons */
+ input_report_key(dev, BTN_TR, btns & JC_BTN_R);
+ input_report_key(dev, BTN_TR2, btns & JC_BTN_ZR);
+ if (id != USB_DEVICE_ID_NINTENDO_PROCON) {
+ /* Report the S buttons as the non-existent triggers */
+ input_report_key(dev, BTN_TL, btns & JC_BTN_SL_R);
+ input_report_key(dev, BTN_TL2, btns & JC_BTN_SR_R);
+ }
+ input_report_key(dev, BTN_START, btns & JC_BTN_PLUS);
+ input_report_key(dev, BTN_THUMBR, btns & JC_BTN_RSTICK);
+ input_report_key(dev, BTN_MODE, btns & JC_BTN_HOME);
+ input_report_key(dev, BTN_WEST, btns & JC_BTN_Y);
+ input_report_key(dev, BTN_NORTH, btns & JC_BTN_X);
+ input_report_key(dev, BTN_EAST, btns & JC_BTN_A);
+ input_report_key(dev, BTN_SOUTH, btns & JC_BTN_B);
+ }
+
+ input_sync(dev);
+}
+
+
+static const unsigned int joycon_button_inputs_l[] = {
+ BTN_SELECT, BTN_Z, BTN_THUMBL,
+ BTN_DPAD_UP, BTN_DPAD_DOWN, BTN_DPAD_LEFT, BTN_DPAD_RIGHT,
+ BTN_TL, BTN_TL2,
+ 0 /* 0 signals end of array */
+};
+
+static const unsigned int joycon_button_inputs_r[] = {
+ BTN_START, BTN_MODE, BTN_THUMBR,
+ BTN_SOUTH, BTN_EAST, BTN_NORTH, BTN_WEST,
+ BTN_TR, BTN_TR2,
+ 0 /* 0 signals end of array */
+};
+
+static DEFINE_MUTEX(joycon_input_num_mutex);
+static int joycon_input_create(struct joycon_ctlr *ctlr)
+{
+ struct hid_device *hdev;
+ static int input_num = 1;
+ const char *name;
+ int ret;
+ int i;
+
+ hdev = ctlr->hdev;
+
+ switch (hdev->product) {
+ case USB_DEVICE_ID_NINTENDO_PROCON:
+ name = "Nintendo Switch Pro Controller";
+ break;
+ case USB_DEVICE_ID_NINTENDO_JOYCONL:
+ name = "Nintendo Switch Left Joy-Con";
+ break;
+ case USB_DEVICE_ID_NINTENDO_JOYCONR:
+ name = "Nintendo Switch Right Joy-Con";
+ break;
+ default: /* Should be impossible */
+ hid_err(hdev, "Invalid hid product\n");
+ return -EINVAL;
+ }
+
+ ctlr->input = devm_input_allocate_device(&hdev->dev);
+ if (!ctlr->input)
+ return -ENOMEM;
+ ctlr->input->id.bustype = hdev->bus;
+ ctlr->input->id.vendor = hdev->vendor;
+ ctlr->input->id.product = hdev->product;
+ ctlr->input->id.version = hdev->version;
+ ctlr->input->name = name;
+ input_set_drvdata(ctlr->input, ctlr);
+
+
+ /* set up sticks */
+ if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONR) {
+ input_set_abs_params(ctlr->input, ABS_X,
+ -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+ JC_STICK_FUZZ, JC_STICK_FLAT);
+ input_set_abs_params(ctlr->input, ABS_Y,
+ -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+ JC_STICK_FUZZ, JC_STICK_FLAT);
+ }
+ if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONL) {
+ input_set_abs_params(ctlr->input, ABS_RX,
+ -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+ JC_STICK_FUZZ, JC_STICK_FLAT);
+ input_set_abs_params(ctlr->input, ABS_RY,
+ -JC_MAX_STICK_MAG, JC_MAX_STICK_MAG,
+ JC_STICK_FUZZ, JC_STICK_FLAT);
+ }
+
+ /* set up buttons */
+ if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONR) {
+ for (i = 0; joycon_button_inputs_l[i] > 0; i++)
+ input_set_capability(ctlr->input, EV_KEY,
+ joycon_button_inputs_l[i]);
+ }
+ if (hdev->product != USB_DEVICE_ID_NINTENDO_JOYCONL) {
+ for (i = 0; joycon_button_inputs_r[i] > 0; i++)
+ input_set_capability(ctlr->input, EV_KEY,
+ joycon_button_inputs_r[i]);
+ }
+
+ ret = input_register_device(ctlr->input);
+ if (ret)
+ return ret;
+
+ /* Set the default controller player leds based on controller number */
+ mutex_lock(&joycon_input_num_mutex);
+ mutex_lock(&ctlr->output_mutex);
+ ret = joycon_set_player_leds(ctlr, 0, 0xF >> (4 - input_num));
+ if (ret)
+ hid_warn(ctlr->hdev, "Failed to set leds; ret=%d\n", ret);
+ mutex_unlock(&ctlr->output_mutex);
+ if (++input_num > 4)
+ input_num = 1;
+ mutex_unlock(&joycon_input_num_mutex);
+
+ return 0;
+}
+
+/* Common handler for parsing inputs */
+static int joycon_ctlr_read_handler(struct joycon_ctlr *ctlr, u8 *data,
+ int size)
+{
+ int ret = 0;
+
+ if (data[0] == JC_INPUT_SUBCMD_REPLY || data[0] == JC_INPUT_IMU_DATA ||
+ data[0] == JC_INPUT_MCU_DATA) {
+ if (size >= 12) /* make sure it contains the input report */
+ joycon_parse_report(ctlr,
+ (struct joycon_input_report *)data);
+ }
+
+ return ret;
+}
+
+static int joycon_ctlr_handle_event(struct joycon_ctlr *ctlr, u8 *data,
+ int size)
+{
+ int ret = 0;
+ bool match = false;
+ struct joycon_input_report *report;
+
+ if (unlikely(mutex_is_locked(&ctlr->output_mutex)) &&
+ ctlr->msg_type != JOYCON_MSG_TYPE_NONE) {
+ switch (ctlr->msg_type) {
+ case JOYCON_MSG_TYPE_USB:
+ if (size < 2)
+ break;
+ if (data[0] == JC_INPUT_USB_RESPONSE &&
+ data[1] == ctlr->usb_ack_match)
+ match = true;
+ break;
+ case JOYCON_MSG_TYPE_SUBCMD:
+ if (size < sizeof(struct joycon_input_report) ||
+ data[0] != JC_INPUT_SUBCMD_REPLY)
+ break;
+ report = (struct joycon_input_report *)data;
+ if (report->reply.id == ctlr->subcmd_ack_match)
+ match = true;
+ break;
+ default:
+ break;
+ }
+
+ if (match) {
+ memcpy(ctlr->input_buf, data,
+ min(size, (int)JC_MAX_RESP_SIZE));
+ ctlr->msg_type = JOYCON_MSG_TYPE_NONE;
+ ctlr->received_resp = true;
+ wake_up(&ctlr->wait);
+
+ /* This message has been handled */
+ return 1;
+ }
+ }
+
+ if (ctlr->ctlr_state == JOYCON_CTLR_STATE_READ)
+ ret = joycon_ctlr_read_handler(ctlr, data, size);
+
+ return ret;
+}
+
+static int nintendo_hid_event(struct hid_device *hdev,
+ struct hid_report *report, u8 *raw_data, int size)
+{
+ struct joycon_ctlr *ctlr = hid_get_drvdata(hdev);
+
+ if (size < 1)
+ return -EINVAL;
+
+ return joycon_ctlr_handle_event(ctlr, raw_data, size);
+}
+
+static int nintendo_hid_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+ struct joycon_ctlr *ctlr;
+
+ hid_dbg(hdev, "probe - start\n");
+
+ ctlr = devm_kzalloc(&hdev->dev, sizeof(*ctlr), GFP_KERNEL);
+ if (!ctlr) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ ctlr->hdev = hdev;
+ ctlr->ctlr_state = JOYCON_CTLR_STATE_INIT;
+ hid_set_drvdata(hdev, ctlr);
+ mutex_init(&ctlr->output_mutex);
+ init_waitqueue_head(&ctlr->wait);
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "HID parse failed\n");
+ goto err;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+ if (ret) {
+ hid_err(hdev, "HW start failed\n");
+ goto err;
+ }
+
+ ret = hid_hw_open(hdev);
+ if (ret) {
+ hid_err(hdev, "cannot start hardware I/O\n");
+ goto err_stop;
+ }
+
+ hid_device_io_start(hdev);
+
+ /* Initialize the controller */
+ mutex_lock(&ctlr->output_mutex);
+ /* if handshake command fails, assume ble pro controller */
+ if (hdev->product == USB_DEVICE_ID_NINTENDO_PROCON &&
+ !joycon_send_usb(ctlr, JC_USB_CMD_HANDSHAKE)) {
+ hid_dbg(hdev, "detected USB controller\n");
+ /* set baudrate for improved latency */
+ ret = joycon_send_usb(ctlr, JC_USB_CMD_BAUDRATE_3M);
+ if (ret) {
+ hid_err(hdev, "Failed to set baudrate; ret=%d\n", ret);
+ goto err_mutex;
+ }
+ /* handshake */
+ ret = joycon_send_usb(ctlr, JC_USB_CMD_HANDSHAKE);
+ if (ret) {
+ hid_err(hdev, "Failed handshake; ret=%d\n", ret);
+ goto err_mutex;
+ }
+ /*
+ * Set no timeout (to keep controller in USB mode).
+ * This doesn't send a response, so ignore the timeout.
+ */
+ joycon_send_usb(ctlr, JC_USB_CMD_NO_TIMEOUT);
+ }
+
+ /* get controller calibration data, and parse it */
+ ret = joycon_request_calibration(ctlr);
+ if (ret) {
+ /*
+ * We can function with default calibration, but it may be
+ * inaccurate. Provide a warning, and continue on.
+ */
+ hid_warn(hdev, "Analog stick positions may be inaccurate\n");
+ }
+
+ /* Set the reporting mode to 0x30, which is the full report mode */
+ ret = joycon_set_report_mode(ctlr);
+ if (ret) {
+ hid_err(hdev, "Failed to set report mode; ret=%d\n", ret);
+ goto err_mutex;
+ }
+
+ mutex_unlock(&ctlr->output_mutex);
+
+ ret = joycon_input_create(ctlr);
+ if (ret) {
+ hid_err(hdev, "Failed to create input device; ret=%d\n", ret);
+ goto err_close;
+ }
+
+ ctlr->ctlr_state = JOYCON_CTLR_STATE_READ;
+
+ hid_dbg(hdev, "probe - success\n");
+ return 0;
+
+err_mutex:
+ mutex_unlock(&ctlr->output_mutex);
+err_close:
+ hid_hw_close(hdev);
+err_stop:
+ hid_hw_stop(hdev);
+err:
+ hid_err(hdev, "probe - fail = %d\n", ret);
+ return ret;
+}
+
+static void nintendo_hid_remove(struct hid_device *hdev)
+{
+ hid_dbg(hdev, "remove\n");
+ hid_hw_close(hdev);
+ hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id nintendo_hid_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_NINTENDO,
+ USB_DEVICE_ID_NINTENDO_PROCON) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
+ USB_DEVICE_ID_NINTENDO_PROCON) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
+ USB_DEVICE_ID_NINTENDO_JOYCONL) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
+ USB_DEVICE_ID_NINTENDO_JOYCONR) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, nintendo_hid_devices);
+
+static struct hid_driver nintendo_hid_driver = {
+ .name = "nintendo",
+ .id_table = nintendo_hid_devices,
+ .probe = nintendo_hid_probe,
+ .remove = nintendo_hid_remove,
+ .raw_event = nintendo_hid_event,
+};
+module_hid_driver(nintendo_hid_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Daniel J. Ogorchock <djogorchock@gmail.com>");
+MODULE_DESCRIPTION("Driver for Nintendo Switch Controllers");
diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
new file mode 100644
index 0000000..ab7c82c
--- /dev/null
+++ b/drivers/hid/hid-playstation.c
@@ -0,0 +1,1351 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * HID driver for Sony DualSense(TM) controller.
+ *
+ * Copyright (c) 2020 Sony Interactive Entertainment
+ */
+
+#include <linux/bits.h>
+#include <linux/crc32.h>
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/idr.h>
+#include <linux/input/mt.h>
+#include <linux/module.h>
+
+#include <asm/unaligned.h>
+
+#include "hid-ids.h"
+
+/* List of connected playstation devices. */
+static DEFINE_MUTEX(ps_devices_lock);
+static LIST_HEAD(ps_devices_list);
+
+static DEFINE_IDA(ps_player_id_allocator);
+
+#define HID_PLAYSTATION_VERSION_PATCH 0x8000
+
+/* Base class for playstation devices. */
+struct ps_device {
+ struct list_head list;
+ struct hid_device *hdev;
+ spinlock_t lock;
+
+ uint32_t player_id;
+
+ struct power_supply_desc battery_desc;
+ struct power_supply *battery;
+ uint8_t battery_capacity;
+ int battery_status;
+
+ uint8_t mac_address[6]; /* Note: stored in little endian order. */
+ uint32_t hw_version;
+ uint32_t fw_version;
+
+ int (*parse_report)(struct ps_device *dev, struct hid_report *report, u8 *data, int size);
+};
+
+/* Calibration data for playstation motion sensors. */
+struct ps_calibration_data {
+ int abs_code;
+ short bias;
+ int sens_numer;
+ int sens_denom;
+};
+
+/* Seed values for DualShock4 / DualSense CRC32 for different report types. */
+#define PS_INPUT_CRC32_SEED 0xA1
+#define PS_OUTPUT_CRC32_SEED 0xA2
+#define PS_FEATURE_CRC32_SEED 0xA3
+
+#define DS_INPUT_REPORT_USB 0x01
+#define DS_INPUT_REPORT_USB_SIZE 64
+#define DS_INPUT_REPORT_BT 0x31
+#define DS_INPUT_REPORT_BT_SIZE 78
+#define DS_OUTPUT_REPORT_USB 0x02
+#define DS_OUTPUT_REPORT_USB_SIZE 63
+#define DS_OUTPUT_REPORT_BT 0x31
+#define DS_OUTPUT_REPORT_BT_SIZE 78
+
+#define DS_FEATURE_REPORT_CALIBRATION 0x05
+#define DS_FEATURE_REPORT_CALIBRATION_SIZE 41
+#define DS_FEATURE_REPORT_PAIRING_INFO 0x09
+#define DS_FEATURE_REPORT_PAIRING_INFO_SIZE 20
+#define DS_FEATURE_REPORT_FIRMWARE_INFO 0x20
+#define DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE 64
+
+/* Button masks for DualSense input report. */
+#define DS_BUTTONS0_HAT_SWITCH GENMASK(3, 0)
+#define DS_BUTTONS0_SQUARE BIT(4)
+#define DS_BUTTONS0_CROSS BIT(5)
+#define DS_BUTTONS0_CIRCLE BIT(6)
+#define DS_BUTTONS0_TRIANGLE BIT(7)
+#define DS_BUTTONS1_L1 BIT(0)
+#define DS_BUTTONS1_R1 BIT(1)
+#define DS_BUTTONS1_L2 BIT(2)
+#define DS_BUTTONS1_R2 BIT(3)
+#define DS_BUTTONS1_CREATE BIT(4)
+#define DS_BUTTONS1_OPTIONS BIT(5)
+#define DS_BUTTONS1_L3 BIT(6)
+#define DS_BUTTONS1_R3 BIT(7)
+#define DS_BUTTONS2_PS_HOME BIT(0)
+#define DS_BUTTONS2_TOUCHPAD BIT(1)
+#define DS_BUTTONS2_MIC_MUTE BIT(2)
+
+/* Status field of DualSense input report. */
+#define DS_STATUS_BATTERY_CAPACITY GENMASK(3, 0)
+#define DS_STATUS_CHARGING GENMASK(7, 4)
+#define DS_STATUS_CHARGING_SHIFT 4
+
+/*
+ * Status of a DualSense touch point contact.
+ * Contact IDs, with highest bit set are 'inactive'
+ * and any associated data is then invalid.
+ */
+#define DS_TOUCH_POINT_INACTIVE BIT(7)
+
+ /* Magic value required in tag field of Bluetooth output report. */
+#define DS_OUTPUT_TAG 0x10
+/* Flags for DualSense output report. */
+#define DS_OUTPUT_VALID_FLAG0_COMPATIBLE_VIBRATION BIT(0)
+#define DS_OUTPUT_VALID_FLAG0_HAPTICS_SELECT BIT(1)
+#define DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE BIT(0)
+#define DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE BIT(1)
+#define DS_OUTPUT_VALID_FLAG1_LIGHTBAR_CONTROL_ENABLE BIT(2)
+#define DS_OUTPUT_VALID_FLAG1_RELEASE_LEDS BIT(3)
+#define DS_OUTPUT_VALID_FLAG1_PLAYER_INDICATOR_CONTROL_ENABLE BIT(4)
+#define DS_OUTPUT_VALID_FLAG2_LIGHTBAR_SETUP_CONTROL_ENABLE BIT(1)
+#define DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE BIT(4)
+#define DS_OUTPUT_LIGHTBAR_SETUP_LIGHT_OUT BIT(1)
+
+/* DualSense hardware limits */
+#define DS_ACC_RES_PER_G 8192
+#define DS_ACC_RANGE (4*DS_ACC_RES_PER_G)
+#define DS_GYRO_RES_PER_DEG_S 1024
+#define DS_GYRO_RANGE (2048*DS_GYRO_RES_PER_DEG_S)
+#define DS_TOUCHPAD_WIDTH 1920
+#define DS_TOUCHPAD_HEIGHT 1080
+
+struct dualsense {
+ struct ps_device base;
+ struct input_dev *gamepad;
+ struct input_dev *sensors;
+ struct input_dev *touchpad;
+
+ /* Calibration data for accelerometer and gyroscope. */
+ struct ps_calibration_data accel_calib_data[3];
+ struct ps_calibration_data gyro_calib_data[3];
+
+ /* Timestamp for sensor data */
+ bool sensor_timestamp_initialized;
+ uint32_t prev_sensor_timestamp;
+ uint32_t sensor_timestamp_us;
+
+ /* Compatible rumble state */
+ bool update_rumble;
+ uint8_t motor_left;
+ uint8_t motor_right;
+
+ /* RGB lightbar */
+ bool update_lightbar;
+ uint8_t lightbar_red;
+ uint8_t lightbar_green;
+ uint8_t lightbar_blue;
+
+ /* Microphone */
+ bool update_mic_mute;
+ bool mic_muted;
+ bool last_btn_mic_state;
+
+ /* Player leds */
+ bool update_player_leds;
+ uint8_t player_leds_state;
+ struct led_classdev player_leds[5];
+
+ struct work_struct output_worker;
+ void *output_report_dmabuf;
+ uint8_t output_seq; /* Sequence number for output report. */
+};
+
+struct dualsense_touch_point {
+ uint8_t contact;
+ uint8_t x_lo;
+ uint8_t x_hi:4, y_lo:4;
+ uint8_t y_hi;
+} __packed;
+static_assert(sizeof(struct dualsense_touch_point) == 4);
+
+/* Main DualSense input report excluding any BT/USB specific headers. */
+struct dualsense_input_report {
+ uint8_t x, y;
+ uint8_t rx, ry;
+ uint8_t z, rz;
+ uint8_t seq_number;
+ uint8_t buttons[4];
+ uint8_t reserved[4];
+
+ /* Motion sensors */
+ __le16 gyro[3]; /* x, y, z */
+ __le16 accel[3]; /* x, y, z */
+ __le32 sensor_timestamp;
+ uint8_t reserved2;
+
+ /* Touchpad */
+ struct dualsense_touch_point points[2];
+
+ uint8_t reserved3[12];
+ uint8_t status;
+ uint8_t reserved4[10];
+} __packed;
+/* Common input report size shared equals the size of the USB report minus 1 byte for ReportID. */
+static_assert(sizeof(struct dualsense_input_report) == DS_INPUT_REPORT_USB_SIZE - 1);
+
+/* Common data between DualSense BT/USB main output report. */
+struct dualsense_output_report_common {
+ uint8_t valid_flag0;
+ uint8_t valid_flag1;
+
+ /* For DualShock 4 compatibility mode. */
+ uint8_t motor_right;
+ uint8_t motor_left;
+
+ /* Audio controls */
+ uint8_t reserved[4];
+ uint8_t mute_button_led;
+
+ uint8_t power_save_control;
+ uint8_t reserved2[28];
+
+ /* LEDs and lightbar */
+ uint8_t valid_flag2;
+ uint8_t reserved3[2];
+ uint8_t lightbar_setup;
+ uint8_t led_brightness;
+ uint8_t player_leds;
+ uint8_t lightbar_red;
+ uint8_t lightbar_green;
+ uint8_t lightbar_blue;
+} __packed;
+static_assert(sizeof(struct dualsense_output_report_common) == 47);
+
+struct dualsense_output_report_bt {
+ uint8_t report_id; /* 0x31 */
+ uint8_t seq_tag;
+ uint8_t tag;
+ struct dualsense_output_report_common common;
+ uint8_t reserved[24];
+ __le32 crc32;
+} __packed;
+static_assert(sizeof(struct dualsense_output_report_bt) == DS_OUTPUT_REPORT_BT_SIZE);
+
+struct dualsense_output_report_usb {
+ uint8_t report_id; /* 0x02 */
+ struct dualsense_output_report_common common;
+ uint8_t reserved[15];
+} __packed;
+static_assert(sizeof(struct dualsense_output_report_usb) == DS_OUTPUT_REPORT_USB_SIZE);
+
+/*
+ * The DualSense has a main output report used to control most features. It is
+ * largely the same between Bluetooth and USB except for different headers and CRC.
+ * This structure hide the differences between the two to simplify sending output reports.
+ */
+struct dualsense_output_report {
+ uint8_t *data; /* Start of data */
+ uint8_t len; /* Size of output report */
+
+ /* Points to Bluetooth data payload in case for a Bluetooth report else NULL. */
+ struct dualsense_output_report_bt *bt;
+ /* Points to USB data payload in case for a USB report else NULL. */
+ struct dualsense_output_report_usb *usb;
+ /* Points to common section of report, so past any headers. */
+ struct dualsense_output_report_common *common;
+};
+
+/*
+ * Common gamepad buttons across DualShock 3 / 4 and DualSense.
+ * Note: for device with a touchpad, touchpad button is not included
+ * as it will be part of the touchpad device.
+ */
+static const int ps_gamepad_buttons[] = {
+ BTN_WEST, /* Square */
+ BTN_NORTH, /* Triangle */
+ BTN_EAST, /* Circle */
+ BTN_SOUTH, /* Cross */
+ BTN_TL, /* L1 */
+ BTN_TR, /* R1 */
+ BTN_TL2, /* L2 */
+ BTN_TR2, /* R2 */
+ BTN_SELECT, /* Create (PS5) / Share (PS4) */
+ BTN_START, /* Option */
+ BTN_THUMBL, /* L3 */
+ BTN_THUMBR, /* R3 */
+ BTN_MODE, /* PS Home */
+};
+
+static const struct {int x; int y; } ps_gamepad_hat_mapping[] = {
+ {0, -1}, {1, -1}, {1, 0}, {1, 1}, {0, 1}, {-1, 1}, {-1, 0}, {-1, -1},
+ {0, 0},
+};
+
+/*
+ * Add a new ps_device to ps_devices if it doesn't exist.
+ * Return error on duplicate device, which can happen if the same
+ * device is connected using both Bluetooth and USB.
+ */
+static int ps_devices_list_add(struct ps_device *dev)
+{
+ struct ps_device *entry;
+
+ mutex_lock(&ps_devices_lock);
+ list_for_each_entry(entry, &ps_devices_list, list) {
+ if (!memcmp(entry->mac_address, dev->mac_address, sizeof(dev->mac_address))) {
+ hid_err(dev->hdev, "Duplicate device found for MAC address %pMR.\n",
+ dev->mac_address);
+ mutex_unlock(&ps_devices_lock);
+ return -EEXIST;
+ }
+ }
+
+ list_add_tail(&dev->list, &ps_devices_list);
+ mutex_unlock(&ps_devices_lock);
+ return 0;
+}
+
+static int ps_devices_list_remove(struct ps_device *dev)
+{
+ mutex_lock(&ps_devices_lock);
+ list_del(&dev->list);
+ mutex_unlock(&ps_devices_lock);
+ return 0;
+}
+
+static int ps_device_set_player_id(struct ps_device *dev)
+{
+ int ret = ida_alloc(&ps_player_id_allocator, GFP_KERNEL);
+
+ if (ret < 0)
+ return ret;
+
+ dev->player_id = ret;
+ return 0;
+}
+
+static void ps_device_release_player_id(struct ps_device *dev)
+{
+ ida_free(&ps_player_id_allocator, dev->player_id);
+
+ dev->player_id = U32_MAX;
+}
+
+static struct input_dev *ps_allocate_input_dev(struct hid_device *hdev, const char *name_suffix)
+{
+ struct input_dev *input_dev;
+
+ input_dev = devm_input_allocate_device(&hdev->dev);
+ if (!input_dev)
+ return ERR_PTR(-ENOMEM);
+
+ input_dev->id.bustype = hdev->bus;
+ input_dev->id.vendor = hdev->vendor;
+ input_dev->id.product = hdev->product;
+ input_dev->id.version = hdev->version;
+ input_dev->uniq = hdev->uniq;
+
+ if (name_suffix) {
+ input_dev->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s %s", hdev->name,
+ name_suffix);
+ if (!input_dev->name)
+ return ERR_PTR(-ENOMEM);
+ } else {
+ input_dev->name = hdev->name;
+ }
+
+ input_set_drvdata(input_dev, hdev);
+
+ return input_dev;
+}
+
+static enum power_supply_property ps_power_supply_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_SCOPE,
+};
+
+static int ps_battery_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct ps_device *dev = power_supply_get_drvdata(psy);
+ uint8_t battery_capacity;
+ int battery_status;
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ battery_capacity = dev->battery_capacity;
+ battery_status = dev->battery_status;
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ val->intval = battery_status;
+ break;
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = 1;
+ break;
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = battery_capacity;
+ break;
+ case POWER_SUPPLY_PROP_SCOPE:
+ val->intval = POWER_SUPPLY_SCOPE_DEVICE;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int ps_device_register_battery(struct ps_device *dev)
+{
+ struct power_supply *battery;
+ struct power_supply_config battery_cfg = { .drv_data = dev };
+ int ret;
+
+ dev->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
+ dev->battery_desc.properties = ps_power_supply_props;
+ dev->battery_desc.num_properties = ARRAY_SIZE(ps_power_supply_props);
+ dev->battery_desc.get_property = ps_battery_get_property;
+ dev->battery_desc.name = devm_kasprintf(&dev->hdev->dev, GFP_KERNEL,
+ "ps-controller-battery-%pMR", dev->mac_address);
+ if (!dev->battery_desc.name)
+ return -ENOMEM;
+
+ battery = devm_power_supply_register(&dev->hdev->dev, &dev->battery_desc, &battery_cfg);
+ if (IS_ERR(battery)) {
+ ret = PTR_ERR(battery);
+ hid_err(dev->hdev, "Unable to register battery device: %d\n", ret);
+ return ret;
+ }
+ dev->battery = battery;
+
+ ret = power_supply_powers(dev->battery, &dev->hdev->dev);
+ if (ret) {
+ hid_err(dev->hdev, "Unable to activate battery device: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+/* Compute crc32 of HID data and compare against expected CRC. */
+static bool ps_check_crc32(uint8_t seed, uint8_t *data, size_t len, uint32_t report_crc)
+{
+ uint32_t crc;
+
+ crc = crc32_le(0xFFFFFFFF, &seed, 1);
+ crc = ~crc32_le(crc, data, len);
+
+ return crc == report_crc;
+}
+
+static struct input_dev *ps_gamepad_create(struct hid_device *hdev,
+ int (*play_effect)(struct input_dev *, void *, struct ff_effect *))
+{
+ struct input_dev *gamepad;
+ unsigned int i;
+ int ret;
+
+ gamepad = ps_allocate_input_dev(hdev, NULL);
+ if (IS_ERR(gamepad))
+ return ERR_CAST(gamepad);
+
+ input_set_abs_params(gamepad, ABS_X, 0, 255, 0, 0);
+ input_set_abs_params(gamepad, ABS_Y, 0, 255, 0, 0);
+ input_set_abs_params(gamepad, ABS_Z, 0, 255, 0, 0);
+ input_set_abs_params(gamepad, ABS_RX, 0, 255, 0, 0);
+ input_set_abs_params(gamepad, ABS_RY, 0, 255, 0, 0);
+ input_set_abs_params(gamepad, ABS_RZ, 0, 255, 0, 0);
+
+ input_set_abs_params(gamepad, ABS_HAT0X, -1, 1, 0, 0);
+ input_set_abs_params(gamepad, ABS_HAT0Y, -1, 1, 0, 0);
+
+ for (i = 0; i < ARRAY_SIZE(ps_gamepad_buttons); i++)
+ input_set_capability(gamepad, EV_KEY, ps_gamepad_buttons[i]);
+
+#if IS_ENABLED(CONFIG_PLAYSTATION_FF)
+ if (play_effect) {
+ input_set_capability(gamepad, EV_FF, FF_RUMBLE);
+ input_ff_create_memless(gamepad, NULL, play_effect);
+ }
+#endif
+
+ ret = input_register_device(gamepad);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return gamepad;
+}
+
+static int ps_get_report(struct hid_device *hdev, uint8_t report_id, uint8_t *buf, size_t size)
+{
+ int ret;
+
+ ret = hid_hw_raw_request(hdev, report_id, buf, size, HID_FEATURE_REPORT,
+ HID_REQ_GET_REPORT);
+ if (ret < 0) {
+ hid_err(hdev, "Failed to retrieve feature with reportID %d: %d\n", report_id, ret);
+ return ret;
+ }
+
+ if (ret != size) {
+ hid_err(hdev, "Invalid byte count transferred, expected %zu got %d\n", size, ret);
+ return -EINVAL;
+ }
+
+ if (buf[0] != report_id) {
+ hid_err(hdev, "Invalid reportID received, expected %d got %d\n", report_id, buf[0]);
+ return -EINVAL;
+ }
+
+ if (hdev->bus == BUS_BLUETOOTH) {
+ /* Last 4 bytes contains crc32. */
+ uint8_t crc_offset = size - 4;
+ uint32_t report_crc = get_unaligned_le32(&buf[crc_offset]);
+
+ if (!ps_check_crc32(PS_FEATURE_CRC32_SEED, buf, crc_offset, report_crc)) {
+ hid_err(hdev, "CRC check failed for reportID=%d\n", report_id);
+ return -EILSEQ;
+ }
+ }
+
+ return 0;
+}
+
+static struct input_dev *ps_sensors_create(struct hid_device *hdev, int accel_range, int accel_res,
+ int gyro_range, int gyro_res)
+{
+ struct input_dev *sensors;
+ int ret;
+
+ sensors = ps_allocate_input_dev(hdev, "Motion Sensors");
+ if (IS_ERR(sensors))
+ return ERR_CAST(sensors);
+
+ __set_bit(INPUT_PROP_ACCELEROMETER, sensors->propbit);
+ __set_bit(EV_MSC, sensors->evbit);
+ __set_bit(MSC_TIMESTAMP, sensors->mscbit);
+
+ /* Accelerometer */
+ input_set_abs_params(sensors, ABS_X, -accel_range, accel_range, 16, 0);
+ input_set_abs_params(sensors, ABS_Y, -accel_range, accel_range, 16, 0);
+ input_set_abs_params(sensors, ABS_Z, -accel_range, accel_range, 16, 0);
+ input_abs_set_res(sensors, ABS_X, accel_res);
+ input_abs_set_res(sensors, ABS_Y, accel_res);
+ input_abs_set_res(sensors, ABS_Z, accel_res);
+
+ /* Gyroscope */
+ input_set_abs_params(sensors, ABS_RX, -gyro_range, gyro_range, 16, 0);
+ input_set_abs_params(sensors, ABS_RY, -gyro_range, gyro_range, 16, 0);
+ input_set_abs_params(sensors, ABS_RZ, -gyro_range, gyro_range, 16, 0);
+ input_abs_set_res(sensors, ABS_RX, gyro_res);
+ input_abs_set_res(sensors, ABS_RY, gyro_res);
+ input_abs_set_res(sensors, ABS_RZ, gyro_res);
+
+ ret = input_register_device(sensors);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return sensors;
+}
+
+static struct input_dev *ps_touchpad_create(struct hid_device *hdev, int width, int height,
+ unsigned int num_contacts)
+{
+ struct input_dev *touchpad;
+ int ret;
+
+ touchpad = ps_allocate_input_dev(hdev, "Touchpad");
+ if (IS_ERR(touchpad))
+ return ERR_CAST(touchpad);
+
+ /* Map button underneath touchpad to BTN_LEFT. */
+ input_set_capability(touchpad, EV_KEY, BTN_LEFT);
+ __set_bit(INPUT_PROP_BUTTONPAD, touchpad->propbit);
+
+ input_set_abs_params(touchpad, ABS_MT_POSITION_X, 0, width - 1, 0, 0);
+ input_set_abs_params(touchpad, ABS_MT_POSITION_Y, 0, height - 1, 0, 0);
+
+ ret = input_mt_init_slots(touchpad, num_contacts, INPUT_MT_POINTER);
+ if (ret)
+ return ERR_PTR(ret);
+
+ ret = input_register_device(touchpad);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return touchpad;
+}
+
+static ssize_t firmware_version_show(struct device *dev,
+ struct device_attribute
+ *attr, char *buf)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct ps_device *ps_dev = hid_get_drvdata(hdev);
+
+ return sysfs_emit(buf, "0x%08x\n", ps_dev->fw_version);
+}
+
+static DEVICE_ATTR_RO(firmware_version);
+
+static ssize_t hardware_version_show(struct device *dev,
+ struct device_attribute
+ *attr, char *buf)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct ps_device *ps_dev = hid_get_drvdata(hdev);
+
+ return sysfs_emit(buf, "0x%08x\n", ps_dev->hw_version);
+}
+
+static DEVICE_ATTR_RO(hardware_version);
+
+static struct attribute *ps_device_attributes[] = {
+ &dev_attr_firmware_version.attr,
+ &dev_attr_hardware_version.attr,
+ NULL
+};
+
+static const struct attribute_group ps_device_attribute_group = {
+ .attrs = ps_device_attributes,
+};
+
+static int dualsense_get_calibration_data(struct dualsense *ds)
+{
+ short gyro_pitch_bias, gyro_pitch_plus, gyro_pitch_minus;
+ short gyro_yaw_bias, gyro_yaw_plus, gyro_yaw_minus;
+ short gyro_roll_bias, gyro_roll_plus, gyro_roll_minus;
+ short gyro_speed_plus, gyro_speed_minus;
+ short acc_x_plus, acc_x_minus;
+ short acc_y_plus, acc_y_minus;
+ short acc_z_plus, acc_z_minus;
+ int speed_2x;
+ int range_2g;
+ int ret = 0;
+ uint8_t *buf;
+
+ buf = kzalloc(DS_FEATURE_REPORT_CALIBRATION_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_CALIBRATION, buf,
+ DS_FEATURE_REPORT_CALIBRATION_SIZE);
+ if (ret) {
+ hid_err(ds->base.hdev, "Failed to retrieve DualSense calibration info: %d\n", ret);
+ goto err_free;
+ }
+
+ gyro_pitch_bias = get_unaligned_le16(&buf[1]);
+ gyro_yaw_bias = get_unaligned_le16(&buf[3]);
+ gyro_roll_bias = get_unaligned_le16(&buf[5]);
+ gyro_pitch_plus = get_unaligned_le16(&buf[7]);
+ gyro_pitch_minus = get_unaligned_le16(&buf[9]);
+ gyro_yaw_plus = get_unaligned_le16(&buf[11]);
+ gyro_yaw_minus = get_unaligned_le16(&buf[13]);
+ gyro_roll_plus = get_unaligned_le16(&buf[15]);
+ gyro_roll_minus = get_unaligned_le16(&buf[17]);
+ gyro_speed_plus = get_unaligned_le16(&buf[19]);
+ gyro_speed_minus = get_unaligned_le16(&buf[21]);
+ acc_x_plus = get_unaligned_le16(&buf[23]);
+ acc_x_minus = get_unaligned_le16(&buf[25]);
+ acc_y_plus = get_unaligned_le16(&buf[27]);
+ acc_y_minus = get_unaligned_le16(&buf[29]);
+ acc_z_plus = get_unaligned_le16(&buf[31]);
+ acc_z_minus = get_unaligned_le16(&buf[33]);
+
+ /*
+ * Set gyroscope calibration and normalization parameters.
+ * Data values will be normalized to 1/DS_GYRO_RES_PER_DEG_S degree/s.
+ */
+ speed_2x = (gyro_speed_plus + gyro_speed_minus);
+ ds->gyro_calib_data[0].abs_code = ABS_RX;
+ ds->gyro_calib_data[0].bias = gyro_pitch_bias;
+ ds->gyro_calib_data[0].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S;
+ ds->gyro_calib_data[0].sens_denom = gyro_pitch_plus - gyro_pitch_minus;
+
+ ds->gyro_calib_data[1].abs_code = ABS_RY;
+ ds->gyro_calib_data[1].bias = gyro_yaw_bias;
+ ds->gyro_calib_data[1].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S;
+ ds->gyro_calib_data[1].sens_denom = gyro_yaw_plus - gyro_yaw_minus;
+
+ ds->gyro_calib_data[2].abs_code = ABS_RZ;
+ ds->gyro_calib_data[2].bias = gyro_roll_bias;
+ ds->gyro_calib_data[2].sens_numer = speed_2x*DS_GYRO_RES_PER_DEG_S;
+ ds->gyro_calib_data[2].sens_denom = gyro_roll_plus - gyro_roll_minus;
+
+ /*
+ * Set accelerometer calibration and normalization parameters.
+ * Data values will be normalized to 1/DS_ACC_RES_PER_G g.
+ */
+ range_2g = acc_x_plus - acc_x_minus;
+ ds->accel_calib_data[0].abs_code = ABS_X;
+ ds->accel_calib_data[0].bias = acc_x_plus - range_2g / 2;
+ ds->accel_calib_data[0].sens_numer = 2*DS_ACC_RES_PER_G;
+ ds->accel_calib_data[0].sens_denom = range_2g;
+
+ range_2g = acc_y_plus - acc_y_minus;
+ ds->accel_calib_data[1].abs_code = ABS_Y;
+ ds->accel_calib_data[1].bias = acc_y_plus - range_2g / 2;
+ ds->accel_calib_data[1].sens_numer = 2*DS_ACC_RES_PER_G;
+ ds->accel_calib_data[1].sens_denom = range_2g;
+
+ range_2g = acc_z_plus - acc_z_minus;
+ ds->accel_calib_data[2].abs_code = ABS_Z;
+ ds->accel_calib_data[2].bias = acc_z_plus - range_2g / 2;
+ ds->accel_calib_data[2].sens_numer = 2*DS_ACC_RES_PER_G;
+ ds->accel_calib_data[2].sens_denom = range_2g;
+
+err_free:
+ kfree(buf);
+ return ret;
+}
+
+static int dualsense_get_firmware_info(struct dualsense *ds)
+{
+ uint8_t *buf;
+ int ret;
+
+ buf = kzalloc(DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_FIRMWARE_INFO, buf,
+ DS_FEATURE_REPORT_FIRMWARE_INFO_SIZE);
+ if (ret) {
+ hid_err(ds->base.hdev, "Failed to retrieve DualSense firmware info: %d\n", ret);
+ goto err_free;
+ }
+
+ ds->base.hw_version = get_unaligned_le32(&buf[24]);
+ ds->base.fw_version = get_unaligned_le32(&buf[28]);
+
+err_free:
+ kfree(buf);
+ return ret;
+}
+
+static int dualsense_get_mac_address(struct dualsense *ds)
+{
+ uint8_t *buf;
+ int ret = 0;
+
+ buf = kzalloc(DS_FEATURE_REPORT_PAIRING_INFO_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = ps_get_report(ds->base.hdev, DS_FEATURE_REPORT_PAIRING_INFO, buf,
+ DS_FEATURE_REPORT_PAIRING_INFO_SIZE);
+ if (ret) {
+ hid_err(ds->base.hdev, "Failed to retrieve DualSense pairing info: %d\n", ret);
+ goto err_free;
+ }
+
+ memcpy(ds->base.mac_address, &buf[1], sizeof(ds->base.mac_address));
+
+err_free:
+ kfree(buf);
+ return ret;
+}
+
+static void dualsense_init_output_report(struct dualsense *ds, struct dualsense_output_report *rp,
+ void *buf)
+{
+ struct hid_device *hdev = ds->base.hdev;
+
+ if (hdev->bus == BUS_BLUETOOTH) {
+ struct dualsense_output_report_bt *bt = buf;
+
+ memset(bt, 0, sizeof(*bt));
+ bt->report_id = DS_OUTPUT_REPORT_BT;
+ bt->tag = DS_OUTPUT_TAG; /* Tag must be set. Exact meaning is unclear. */
+
+ /*
+ * Highest 4-bit is a sequence number, which needs to be increased
+ * every report. Lowest 4-bit is tag and can be zero for now.
+ */
+ bt->seq_tag = (ds->output_seq << 4) | 0x0;
+ if (++ds->output_seq == 16)
+ ds->output_seq = 0;
+
+ rp->data = buf;
+ rp->len = sizeof(*bt);
+ rp->bt = bt;
+ rp->usb = NULL;
+ rp->common = &bt->common;
+ } else { /* USB */
+ struct dualsense_output_report_usb *usb = buf;
+
+ memset(usb, 0, sizeof(*usb));
+ usb->report_id = DS_OUTPUT_REPORT_USB;
+
+ rp->data = buf;
+ rp->len = sizeof(*usb);
+ rp->bt = NULL;
+ rp->usb = usb;
+ rp->common = &usb->common;
+ }
+}
+
+/*
+ * Helper function to send DualSense output reports. Applies a CRC at the end of a report
+ * for Bluetooth reports.
+ */
+static void dualsense_send_output_report(struct dualsense *ds,
+ struct dualsense_output_report *report)
+{
+ struct hid_device *hdev = ds->base.hdev;
+
+ /* Bluetooth packets need to be signed with a CRC in the last 4 bytes. */
+ if (report->bt) {
+ uint32_t crc;
+ uint8_t seed = PS_OUTPUT_CRC32_SEED;
+
+ crc = crc32_le(0xFFFFFFFF, &seed, 1);
+ crc = ~crc32_le(crc, report->data, report->len - 4);
+
+ report->bt->crc32 = cpu_to_le32(crc);
+ }
+
+ hid_hw_output_report(hdev, report->data, report->len);
+}
+
+static void dualsense_output_worker(struct work_struct *work)
+{
+ struct dualsense *ds = container_of(work, struct dualsense, output_worker);
+ struct dualsense_output_report report;
+ struct dualsense_output_report_common *common;
+ unsigned long flags;
+
+ dualsense_init_output_report(ds, &report, ds->output_report_dmabuf);
+ common = report.common;
+
+ spin_lock_irqsave(&ds->base.lock, flags);
+
+ if (ds->update_rumble) {
+ /* Select classic rumble style haptics and enable it. */
+ common->valid_flag0 |= DS_OUTPUT_VALID_FLAG0_HAPTICS_SELECT;
+ common->valid_flag0 |= DS_OUTPUT_VALID_FLAG0_COMPATIBLE_VIBRATION;
+ common->motor_left = ds->motor_left;
+ common->motor_right = ds->motor_right;
+ ds->update_rumble = false;
+ }
+
+ if (ds->update_lightbar) {
+ common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_LIGHTBAR_CONTROL_ENABLE;
+ common->lightbar_red = ds->lightbar_red;
+ common->lightbar_green = ds->lightbar_green;
+ common->lightbar_blue = ds->lightbar_blue;
+
+ ds->update_lightbar = false;
+ }
+
+ if (ds->update_player_leds) {
+ common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_PLAYER_INDICATOR_CONTROL_ENABLE;
+ common->player_leds = ds->player_leds_state;
+
+ ds->update_player_leds = false;
+ }
+
+ if (ds->update_mic_mute) {
+ common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_MIC_MUTE_LED_CONTROL_ENABLE;
+ common->mute_button_led = ds->mic_muted;
+
+ if (ds->mic_muted) {
+ /* Disable microphone */
+ common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE;
+ common->power_save_control |= DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE;
+ } else {
+ /* Enable microphone */
+ common->valid_flag1 |= DS_OUTPUT_VALID_FLAG1_POWER_SAVE_CONTROL_ENABLE;
+ common->power_save_control &= ~DS_OUTPUT_POWER_SAVE_CONTROL_MIC_MUTE;
+ }
+
+ ds->update_mic_mute = false;
+ }
+
+ spin_unlock_irqrestore(&ds->base.lock, flags);
+
+ dualsense_send_output_report(ds, &report);
+}
+
+static int dualsense_parse_report(struct ps_device *ps_dev, struct hid_report *report,
+ u8 *data, int size)
+{
+ struct hid_device *hdev = ps_dev->hdev;
+ struct dualsense *ds = container_of(ps_dev, struct dualsense, base);
+ struct dualsense_input_report *ds_report;
+ uint8_t battery_data, battery_capacity, charging_status, value;
+ int battery_status;
+ uint32_t sensor_timestamp;
+ bool btn_mic_state;
+ unsigned long flags;
+ int i;
+
+ /*
+ * DualSense in USB uses the full HID report for reportID 1, but
+ * Bluetooth uses a minimal HID report for reportID 1 and reports
+ * the full report using reportID 49.
+ */
+ if (hdev->bus == BUS_USB && report->id == DS_INPUT_REPORT_USB &&
+ size == DS_INPUT_REPORT_USB_SIZE) {
+ ds_report = (struct dualsense_input_report *)&data[1];
+ } else if (hdev->bus == BUS_BLUETOOTH && report->id == DS_INPUT_REPORT_BT &&
+ size == DS_INPUT_REPORT_BT_SIZE) {
+ /* Last 4 bytes of input report contain crc32 */
+ uint32_t report_crc = get_unaligned_le32(&data[size - 4]);
+
+ if (!ps_check_crc32(PS_INPUT_CRC32_SEED, data, size - 4, report_crc)) {
+ hid_err(hdev, "DualSense input CRC's check failed\n");
+ return -EILSEQ;
+ }
+
+ ds_report = (struct dualsense_input_report *)&data[2];
+ } else {
+ hid_err(hdev, "Unhandled reportID=%d\n", report->id);
+ return -1;
+ }
+
+ input_report_abs(ds->gamepad, ABS_X, ds_report->x);
+ input_report_abs(ds->gamepad, ABS_Y, ds_report->y);
+ input_report_abs(ds->gamepad, ABS_RX, ds_report->rx);
+ input_report_abs(ds->gamepad, ABS_RY, ds_report->ry);
+ input_report_abs(ds->gamepad, ABS_Z, ds_report->z);
+ input_report_abs(ds->gamepad, ABS_RZ, ds_report->rz);
+
+ value = ds_report->buttons[0] & DS_BUTTONS0_HAT_SWITCH;
+ if (value >= ARRAY_SIZE(ps_gamepad_hat_mapping))
+ value = 8; /* center */
+ input_report_abs(ds->gamepad, ABS_HAT0X, ps_gamepad_hat_mapping[value].x);
+ input_report_abs(ds->gamepad, ABS_HAT0Y, ps_gamepad_hat_mapping[value].y);
+
+ input_report_key(ds->gamepad, BTN_WEST, ds_report->buttons[0] & DS_BUTTONS0_SQUARE);
+ input_report_key(ds->gamepad, BTN_SOUTH, ds_report->buttons[0] & DS_BUTTONS0_CROSS);
+ input_report_key(ds->gamepad, BTN_EAST, ds_report->buttons[0] & DS_BUTTONS0_CIRCLE);
+ input_report_key(ds->gamepad, BTN_NORTH, ds_report->buttons[0] & DS_BUTTONS0_TRIANGLE);
+ input_report_key(ds->gamepad, BTN_TL, ds_report->buttons[1] & DS_BUTTONS1_L1);
+ input_report_key(ds->gamepad, BTN_TR, ds_report->buttons[1] & DS_BUTTONS1_R1);
+ input_report_key(ds->gamepad, BTN_TL2, ds_report->buttons[1] & DS_BUTTONS1_L2);
+ input_report_key(ds->gamepad, BTN_TR2, ds_report->buttons[1] & DS_BUTTONS1_R2);
+ input_report_key(ds->gamepad, BTN_SELECT, ds_report->buttons[1] & DS_BUTTONS1_CREATE);
+ input_report_key(ds->gamepad, BTN_START, ds_report->buttons[1] & DS_BUTTONS1_OPTIONS);
+ input_report_key(ds->gamepad, BTN_THUMBL, ds_report->buttons[1] & DS_BUTTONS1_L3);
+ input_report_key(ds->gamepad, BTN_THUMBR, ds_report->buttons[1] & DS_BUTTONS1_R3);
+ input_report_key(ds->gamepad, BTN_MODE, ds_report->buttons[2] & DS_BUTTONS2_PS_HOME);
+ input_sync(ds->gamepad);
+
+ /*
+ * The DualSense has an internal microphone, which can be muted through a mute button
+ * on the device. The driver is expected to read the button state and program the device
+ * to mute/unmute audio at the hardware level.
+ */
+ btn_mic_state = !!(ds_report->buttons[2] & DS_BUTTONS2_MIC_MUTE);
+ if (btn_mic_state && !ds->last_btn_mic_state) {
+ spin_lock_irqsave(&ps_dev->lock, flags);
+ ds->update_mic_mute = true;
+ ds->mic_muted = !ds->mic_muted; /* toggle */
+ spin_unlock_irqrestore(&ps_dev->lock, flags);
+
+ /* Schedule updating of microphone state at hardware level. */
+ schedule_work(&ds->output_worker);
+ }
+ ds->last_btn_mic_state = btn_mic_state;
+
+ /* Parse and calibrate gyroscope data. */
+ for (i = 0; i < ARRAY_SIZE(ds_report->gyro); i++) {
+ int raw_data = (short)le16_to_cpu(ds_report->gyro[i]);
+ int calib_data = mult_frac(ds->gyro_calib_data[i].sens_numer,
+ raw_data - ds->gyro_calib_data[i].bias,
+ ds->gyro_calib_data[i].sens_denom);
+
+ input_report_abs(ds->sensors, ds->gyro_calib_data[i].abs_code, calib_data);
+ }
+
+ /* Parse and calibrate accelerometer data. */
+ for (i = 0; i < ARRAY_SIZE(ds_report->accel); i++) {
+ int raw_data = (short)le16_to_cpu(ds_report->accel[i]);
+ int calib_data = mult_frac(ds->accel_calib_data[i].sens_numer,
+ raw_data - ds->accel_calib_data[i].bias,
+ ds->accel_calib_data[i].sens_denom);
+
+ input_report_abs(ds->sensors, ds->accel_calib_data[i].abs_code, calib_data);
+ }
+
+ /* Convert timestamp (in 0.33us unit) to timestamp_us */
+ sensor_timestamp = le32_to_cpu(ds_report->sensor_timestamp);
+ if (!ds->sensor_timestamp_initialized) {
+ ds->sensor_timestamp_us = DIV_ROUND_CLOSEST(sensor_timestamp, 3);
+ ds->sensor_timestamp_initialized = true;
+ } else {
+ uint32_t delta;
+
+ if (ds->prev_sensor_timestamp > sensor_timestamp)
+ delta = (U32_MAX - ds->prev_sensor_timestamp + sensor_timestamp + 1);
+ else
+ delta = sensor_timestamp - ds->prev_sensor_timestamp;
+ ds->sensor_timestamp_us += DIV_ROUND_CLOSEST(delta, 3);
+ }
+ ds->prev_sensor_timestamp = sensor_timestamp;
+ input_event(ds->sensors, EV_MSC, MSC_TIMESTAMP, ds->sensor_timestamp_us);
+ input_sync(ds->sensors);
+
+ for (i = 0; i < ARRAY_SIZE(ds_report->points); i++) {
+ struct dualsense_touch_point *point = &ds_report->points[i];
+ bool active = (point->contact & DS_TOUCH_POINT_INACTIVE) ? false : true;
+
+ input_mt_slot(ds->touchpad, i);
+ input_mt_report_slot_state(ds->touchpad, MT_TOOL_FINGER, active);
+
+ if (active) {
+ int x = (point->x_hi << 8) | point->x_lo;
+ int y = (point->y_hi << 4) | point->y_lo;
+
+ input_report_abs(ds->touchpad, ABS_MT_POSITION_X, x);
+ input_report_abs(ds->touchpad, ABS_MT_POSITION_Y, y);
+ }
+ }
+ input_mt_sync_frame(ds->touchpad);
+ input_report_key(ds->touchpad, BTN_LEFT, ds_report->buttons[2] & DS_BUTTONS2_TOUCHPAD);
+ input_sync(ds->touchpad);
+
+ battery_data = ds_report->status & DS_STATUS_BATTERY_CAPACITY;
+ charging_status = (ds_report->status & DS_STATUS_CHARGING) >> DS_STATUS_CHARGING_SHIFT;
+
+ switch (charging_status) {
+ case 0x0:
+ /*
+ * Each unit of battery data corresponds to 10%
+ * 0 = 0-9%, 1 = 10-19%, .. and 10 = 100%
+ */
+ battery_capacity = min(battery_data * 10 + 5, 100);
+ battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
+ break;
+ case 0x1:
+ battery_capacity = min(battery_data * 10 + 5, 100);
+ battery_status = POWER_SUPPLY_STATUS_CHARGING;
+ break;
+ case 0x2:
+ battery_capacity = 100;
+ battery_status = POWER_SUPPLY_STATUS_FULL;
+ break;
+ case 0xa: /* voltage or temperature out of range */
+ case 0xb: /* temperature error */
+ battery_capacity = 0;
+ battery_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ break;
+ case 0xf: /* charging error */
+ default:
+ battery_capacity = 0;
+ battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
+ }
+
+ spin_lock_irqsave(&ps_dev->lock, flags);
+ ps_dev->battery_capacity = battery_capacity;
+ ps_dev->battery_status = battery_status;
+ spin_unlock_irqrestore(&ps_dev->lock, flags);
+
+ return 0;
+}
+
+static int dualsense_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
+{
+ struct hid_device *hdev = input_get_drvdata(dev);
+ struct dualsense *ds = hid_get_drvdata(hdev);
+ unsigned long flags;
+
+ if (effect->type != FF_RUMBLE)
+ return 0;
+
+ spin_lock_irqsave(&ds->base.lock, flags);
+ ds->update_rumble = true;
+ ds->motor_left = effect->u.rumble.strong_magnitude / 256;
+ ds->motor_right = effect->u.rumble.weak_magnitude / 256;
+ spin_unlock_irqrestore(&ds->base.lock, flags);
+
+ schedule_work(&ds->output_worker);
+ return 0;
+}
+
+static int dualsense_reset_leds(struct dualsense *ds)
+{
+ struct dualsense_output_report report;
+ uint8_t *buf;
+
+ buf = kzalloc(sizeof(struct dualsense_output_report_bt), GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ dualsense_init_output_report(ds, &report, buf);
+ /*
+ * On Bluetooth the DualSense outputs an animation on the lightbar
+ * during startup and maintains a color afterwards. We need to explicitly
+ * reconfigure the lightbar before we can do any programming later on.
+ * In USB the lightbar is not on by default, but redoing the setup there
+ * doesn't hurt.
+ */
+ report.common->valid_flag2 = DS_OUTPUT_VALID_FLAG2_LIGHTBAR_SETUP_CONTROL_ENABLE;
+ report.common->lightbar_setup = DS_OUTPUT_LIGHTBAR_SETUP_LIGHT_OUT; /* Fade light out. */
+ dualsense_send_output_report(ds, &report);
+
+ kfree(buf);
+ return 0;
+}
+
+static void dualsense_set_lightbar(struct dualsense *ds, uint8_t red, uint8_t green, uint8_t blue)
+{
+ ds->update_lightbar = true;
+ ds->lightbar_red = red;
+ ds->lightbar_green = green;
+ ds->lightbar_blue = blue;
+
+ schedule_work(&ds->output_worker);
+}
+
+static void dualsense_set_player_leds(struct dualsense *ds)
+{
+ /*
+ * The DualSense controller has a row of 5 LEDs used for player ids.
+ * Behavior on the PlayStation 5 console is to center the player id
+ * across the LEDs, so e.g. player 1 would be "--x--" with x being 'on'.
+ * Follow a similar mapping here.
+ */
+ static const int player_ids[5] = {
+ BIT(2),
+ BIT(3) | BIT(1),
+ BIT(4) | BIT(2) | BIT(0),
+ BIT(4) | BIT(3) | BIT(1) | BIT(0),
+ BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0)
+ };
+
+ uint8_t player_id = ds->base.player_id % ARRAY_SIZE(player_ids);
+
+ ds->update_player_leds = true;
+ ds->player_leds_state = player_ids[player_id];
+ schedule_work(&ds->output_worker);
+}
+
+static struct ps_device *dualsense_create(struct hid_device *hdev)
+{
+ struct dualsense *ds;
+ struct ps_device *ps_dev;
+ uint8_t max_output_report_size;
+ int ret;
+
+ ds = devm_kzalloc(&hdev->dev, sizeof(*ds), GFP_KERNEL);
+ if (!ds)
+ return ERR_PTR(-ENOMEM);
+
+ /*
+ * Patch version to allow userspace to distinguish between
+ * hid-generic vs hid-playstation axis and button mapping.
+ */
+ hdev->version |= HID_PLAYSTATION_VERSION_PATCH;
+
+ ps_dev = &ds->base;
+ ps_dev->hdev = hdev;
+ spin_lock_init(&ps_dev->lock);
+ ps_dev->battery_capacity = 100; /* initial value until parse_report. */
+ ps_dev->battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
+ ps_dev->parse_report = dualsense_parse_report;
+ INIT_WORK(&ds->output_worker, dualsense_output_worker);
+ hid_set_drvdata(hdev, ds);
+
+ max_output_report_size = sizeof(struct dualsense_output_report_bt);
+ ds->output_report_dmabuf = devm_kzalloc(&hdev->dev, max_output_report_size, GFP_KERNEL);
+ if (!ds->output_report_dmabuf)
+ return ERR_PTR(-ENOMEM);
+
+ ret = dualsense_get_mac_address(ds);
+ if (ret) {
+ hid_err(hdev, "Failed to get MAC address from DualSense\n");
+ return ERR_PTR(ret);
+ }
+ snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds->base.mac_address);
+
+ ret = dualsense_get_firmware_info(ds);
+ if (ret) {
+ hid_err(hdev, "Failed to get firmware info from DualSense\n");
+ return ERR_PTR(ret);
+ }
+
+ ret = ps_devices_list_add(ps_dev);
+ if (ret)
+ return ERR_PTR(ret);
+
+ ret = dualsense_get_calibration_data(ds);
+ if (ret) {
+ hid_err(hdev, "Failed to get calibration data from DualSense\n");
+ goto err;
+ }
+
+ ds->gamepad = ps_gamepad_create(hdev, dualsense_play_effect);
+ if (IS_ERR(ds->gamepad)) {
+ ret = PTR_ERR(ds->gamepad);
+ goto err;
+ }
+
+ ds->sensors = ps_sensors_create(hdev, DS_ACC_RANGE, DS_ACC_RES_PER_G,
+ DS_GYRO_RANGE, DS_GYRO_RES_PER_DEG_S);
+ if (IS_ERR(ds->sensors)) {
+ ret = PTR_ERR(ds->sensors);
+ goto err;
+ }
+
+ ds->touchpad = ps_touchpad_create(hdev, DS_TOUCHPAD_WIDTH, DS_TOUCHPAD_HEIGHT, 2);
+ if (IS_ERR(ds->touchpad)) {
+ ret = PTR_ERR(ds->touchpad);
+ goto err;
+ }
+
+ ret = ps_device_register_battery(ps_dev);
+ if (ret)
+ goto err;
+
+ /*
+ * The hardware may have control over the LEDs (e.g. in Bluetooth on startup).
+ * Reset the LEDs (lightbar, mute, player leds), so we can control them
+ * from software.
+ */
+ ret = dualsense_reset_leds(ds);
+ if (ret)
+ goto err;
+
+ dualsense_set_lightbar(ds, 0, 0, 128); /* blue */
+
+ ret = ps_device_set_player_id(ps_dev);
+ if (ret) {
+ hid_err(hdev, "Failed to assign player id for DualSense: %d\n", ret);
+ goto err;
+ }
+
+ /* Set player LEDs to our player id. */
+ dualsense_set_player_leds(ds);
+
+ /*
+ * Reporting hardware and firmware is important as there are frequent updates, which
+ * can change behavior.
+ */
+ hid_info(hdev, "Registered DualSense controller hw_version=0x%08x fw_version=0x%08x\n",
+ ds->base.hw_version, ds->base.fw_version);
+
+ return &ds->base;
+
+err:
+ ps_devices_list_remove(ps_dev);
+ return ERR_PTR(ret);
+}
+
+static int ps_raw_event(struct hid_device *hdev, struct hid_report *report,
+ u8 *data, int size)
+{
+ struct ps_device *dev = hid_get_drvdata(hdev);
+
+ if (dev && dev->parse_report)
+ return dev->parse_report(dev, report, data, size);
+
+ return 0;
+}
+
+static int ps_probe(struct hid_device *hdev, const struct hid_device_id *id)
+{
+ struct ps_device *dev;
+ int ret;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "Parse failed\n");
+ return ret;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+ if (ret) {
+ hid_err(hdev, "Failed to start HID device\n");
+ return ret;
+ }
+
+ ret = hid_hw_open(hdev);
+ if (ret) {
+ hid_err(hdev, "Failed to open HID device\n");
+ goto err_stop;
+ }
+
+ if (hdev->product == USB_DEVICE_ID_SONY_PS5_CONTROLLER) {
+ dev = dualsense_create(hdev);
+ if (IS_ERR(dev)) {
+ hid_err(hdev, "Failed to create dualsense.\n");
+ ret = PTR_ERR(dev);
+ goto err_close;
+ }
+ }
+
+ ret = devm_device_add_group(&hdev->dev, &ps_device_attribute_group);
+ if (ret) {
+ hid_err(hdev, "Failed to register sysfs nodes.\n");
+ goto err_close;
+ }
+
+ return ret;
+
+err_close:
+ hid_hw_close(hdev);
+err_stop:
+ hid_hw_stop(hdev);
+ return ret;
+}
+
+static void ps_remove(struct hid_device *hdev)
+{
+ struct ps_device *dev = hid_get_drvdata(hdev);
+
+ ps_devices_list_remove(dev);
+ ps_device_release_player_id(dev);
+
+ hid_hw_close(hdev);
+ hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id ps_devices[] = {
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS5_CONTROLLER) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, ps_devices);
+
+static struct hid_driver ps_driver = {
+ .name = "playstation",
+ .id_table = ps_devices,
+ .probe = ps_probe,
+ .remove = ps_remove,
+ .raw_event = ps_raw_event,
+};
+
+static int __init ps_init(void)
+{
+ return hid_register_driver(&ps_driver);
+}
+
+static void __exit ps_exit(void)
+{
+ hid_unregister_driver(&ps_driver);
+ ida_destroy(&ps_player_id_allocator);
+}
+
+module_init(ps_init);
+module_exit(ps_exit);
+
+MODULE_AUTHOR("Sony Interactive Entertainment");
+MODULE_DESCRIPTION("HID Driver for PlayStation peripherals.");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c
index 09ce30c..c5a260c 100644
--- a/drivers/hwmon/scmi-hwmon.c
+++ b/drivers/hwmon/scmi-hwmon.c
@@ -2,7 +2,7 @@
/*
* System Control and Management Interface(SCMI) based hwmon sensor driver
*
- * Copyright (C) 2018 ARM Ltd.
+ * Copyright (C) 2018-2020 ARM Ltd.
* Sudeep Holla <sudeep.holla@arm.com>
*/
@@ -13,8 +13,10 @@
#include <linux/sysfs.h>
#include <linux/thermal.h>
+static const struct scmi_sensor_proto_ops *sensor_ops;
+
struct scmi_sensors {
- const struct scmi_handle *handle;
+ const struct scmi_protocol_handle *ph;
const struct scmi_sensor_info **info[hwmon_max];
};
@@ -30,7 +32,7 @@ static inline u64 __pow10(u8 x)
static int scmi_hwmon_scale(const struct scmi_sensor_info *sensor, u64 *value)
{
- s8 scale = sensor->scale;
+ int scale = sensor->scale;
u64 f;
switch (sensor->type) {
@@ -69,10 +71,9 @@ static int scmi_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
u64 value;
const struct scmi_sensor_info *sensor;
struct scmi_sensors *scmi_sensors = dev_get_drvdata(dev);
- const struct scmi_handle *h = scmi_sensors->handle;
sensor = *(scmi_sensors->info[type] + channel);
- ret = h->sensor_ops->reading_get(h, sensor->id, &value);
+ ret = sensor_ops->reading_get(scmi_sensors->ph, sensor->id, &value);
if (ret)
return ret;
@@ -169,11 +170,16 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
struct hwmon_channel_info *scmi_hwmon_chan;
const struct hwmon_channel_info **ptr_scmi_ci;
const struct scmi_handle *handle = sdev->handle;
+ struct scmi_protocol_handle *ph;
- if (!handle || !handle->sensor_ops)
+ if (!handle)
return -ENODEV;
- nr_sensors = handle->sensor_ops->count_get(handle);
+ sensor_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_SENSOR, &ph);
+ if (IS_ERR(sensor_ops))
+ return PTR_ERR(sensor_ops);
+
+ nr_sensors = sensor_ops->count_get(ph);
if (!nr_sensors)
return -EIO;
@@ -181,10 +187,10 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
if (!scmi_sensors)
return -ENOMEM;
- scmi_sensors->handle = handle;
+ scmi_sensors->ph = ph;
for (i = 0; i < nr_sensors; i++) {
- sensor = handle->sensor_ops->info_get(handle, i);
+ sensor = sensor_ops->info_get(ph, i);
if (!sensor)
return -EINVAL;
@@ -236,7 +242,7 @@ static int scmi_hwmon_probe(struct scmi_device *sdev)
}
for (i = nr_sensors - 1; i >= 0 ; i--) {
- sensor = handle->sensor_ops->info_get(handle, i);
+ sensor = sensor_ops->info_get(ph, i);
if (!sensor)
continue;
diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig
index c119824..84530fd 100644
--- a/drivers/hwtracing/coresight/Kconfig
+++ b/drivers/hwtracing/coresight/Kconfig
@@ -97,19 +97,27 @@
module will be called coresight-etm3x.
config CORESIGHT_SOURCE_ETM4X
- tristate "CoreSight Embedded Trace Macrocell 4.x driver"
+ tristate "CoreSight ETMv4.x / ETE driver"
depends on ARM64
select CORESIGHT_LINKS_AND_SINKS
select PID_IN_CONTEXTIDR
help
- This driver provides support for the ETM4.x tracer module, tracing the
- instructions that a processor is executing. This is primarily useful
- for instruction level tracing. Depending on the implemented version
- data tracing may also be available.
+ This driver provides support for the CoreSight Embedded Trace Macrocell
+ version 4.x and the Embedded Trace Extensions (ETE). Both are CPU tracer
+ modules, tracing the instructions that a processor is executing. This is
+ primarily useful for instruction level tracing.
To compile this driver as a module, choose M here: the
module will be called coresight-etm4x.
+config ETM4X_IMPDEF_FEATURE
+ bool "Control implementation defined overflow support in ETM 4.x driver"
+ depends on CORESIGHT_SOURCE_ETM4X
+ help
+ This control provides implementation define control for CoreSight
+ ETM 4.x tracer module that can't reduce commit rate automatically.
+ This avoids overflow between the ETM tracer module and the cpu core.
+
config CORESIGHT_STM
tristate "CoreSight System Trace Macrocell driver"
depends on (ARM && !(CPU_32v3 || CPU_32v4 || CPU_32v4T)) || ARM64
@@ -165,4 +173,18 @@
CTI trigger connections between this and other devices.These
registers are not used in normal operation and can leave devices in
an inconsistent state.
+
+config CORESIGHT_TRBE
+ tristate "Trace Buffer Extension (TRBE) driver"
+ depends on ARM64 && CORESIGHT_SOURCE_ETM4X
+ help
+ This driver provides support for percpu Trace Buffer Extension (TRBE).
+ TRBE always needs to be used along with it's corresponding percpu ETE
+ component. ETE generates trace data which is then captured with TRBE.
+ Unlike traditional sink devices, TRBE is a CPU feature accessible via
+ system registers. But it's explicit dependency with trace unit (ETE)
+ requires it to be plugged in as a coresight sink device.
+
+ To compile this driver as a module, choose M here: the module will be
+ called coresight-trbe.
endif
diff --git a/drivers/hwtracing/coresight/Makefile b/drivers/hwtracing/coresight/Makefile
index f20e357..d608165 100644
--- a/drivers/hwtracing/coresight/Makefile
+++ b/drivers/hwtracing/coresight/Makefile
@@ -21,5 +21,6 @@
obj-$(CONFIG_CORESIGHT_CPU_DEBUG) += coresight-cpu-debug.o
obj-$(CONFIG_CORESIGHT_CATU) += coresight-catu.o
obj-$(CONFIG_CORESIGHT_CTI) += coresight-cti.o
+obj-$(CONFIG_CORESIGHT_TRBE) += coresight-trbe.o
coresight-cti-y := coresight-cti-core.o coresight-cti-platform.o \
coresight-cti-sysfs.o
diff --git a/drivers/hwtracing/coresight/coresight-catu.c b/drivers/hwtracing/coresight/coresight-catu.c
index a61313f..e0740c6 100644
--- a/drivers/hwtracing/coresight/coresight-catu.c
+++ b/drivers/hwtracing/coresight/coresight-catu.c
@@ -401,8 +401,9 @@ static const struct attribute_group *catu_groups[] = {
static inline int catu_wait_for_ready(struct catu_drvdata *drvdata)
{
- return coresight_timeout(drvdata->base,
- CATU_STATUS, CATU_STATUS_READY, 1);
+ struct csdev_access *csa = &drvdata->csdev->access;
+
+ return coresight_timeout(csa, CATU_STATUS, CATU_STATUS_READY, 1);
}
static int catu_enable_hw(struct catu_drvdata *drvdata, void *data)
@@ -411,6 +412,7 @@ static int catu_enable_hw(struct catu_drvdata *drvdata, void *data)
u32 control, mode;
struct etr_buf *etr_buf = data;
struct device *dev = &drvdata->csdev->dev;
+ struct coresight_device *csdev = drvdata->csdev;
if (catu_wait_for_ready(drvdata))
dev_warn(dev, "Timeout while waiting for READY\n");
@@ -421,7 +423,7 @@ static int catu_enable_hw(struct catu_drvdata *drvdata, void *data)
return -EBUSY;
}
- rc = coresight_claim_device_unlocked(drvdata->base);
+ rc = coresight_claim_device_unlocked(csdev);
if (rc)
return rc;
@@ -465,9 +467,10 @@ static int catu_disable_hw(struct catu_drvdata *drvdata)
{
int rc = 0;
struct device *dev = &drvdata->csdev->dev;
+ struct coresight_device *csdev = drvdata->csdev;
catu_write_control(drvdata, 0);
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
if (catu_wait_for_ready(drvdata)) {
dev_info(dev, "Timeout while waiting for READY\n");
rc = -EAGAIN;
@@ -551,6 +554,7 @@ static int catu_probe(struct amba_device *adev, const struct amba_id *id)
dev->platform_data = pdata;
drvdata->base = base;
+ catu_desc.access = CSDEV_ACCESS_IOMEM(base);
catu_desc.pdata = pdata;
catu_desc.dev = dev;
catu_desc.groups = catu_groups;
@@ -567,12 +571,11 @@ static int catu_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int catu_remove(struct amba_device *adev)
+static void catu_remove(struct amba_device *adev)
{
struct catu_drvdata *drvdata = dev_get_drvdata(&adev->dev);
coresight_unregister(drvdata->csdev);
- return 0;
}
static struct amba_id catu_ids[] = {
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 424c296..4956a81 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -23,6 +23,7 @@
#include "coresight-priv.h"
static DEFINE_MUTEX(coresight_mutex);
+static DEFINE_PER_CPU(struct coresight_device *, csdev_sink);
/**
* struct coresight_node - elements of a path, from source to sink
@@ -70,6 +71,18 @@ void coresight_remove_cti_ops(void)
}
EXPORT_SYMBOL_GPL(coresight_remove_cti_ops);
+void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev)
+{
+ per_cpu(csdev_sink, cpu) = csdev;
+}
+EXPORT_SYMBOL_GPL(coresight_set_percpu_sink);
+
+struct coresight_device *coresight_get_percpu_sink(int cpu)
+{
+ return per_cpu(csdev_sink, cpu);
+}
+EXPORT_SYMBOL_GPL(coresight_get_percpu_sink);
+
static int coresight_id_match(struct device *dev, void *data)
{
int trace_id, i_trace_id;
@@ -145,30 +158,32 @@ static int coresight_find_link_outport(struct coresight_device *csdev,
return -ENODEV;
}
-static inline u32 coresight_read_claim_tags(void __iomem *base)
+static inline u32 coresight_read_claim_tags(struct coresight_device *csdev)
{
- return readl_relaxed(base + CORESIGHT_CLAIMCLR);
+ return csdev_access_relaxed_read32(&csdev->access, CORESIGHT_CLAIMCLR);
}
-static inline bool coresight_is_claimed_self_hosted(void __iomem *base)
+static inline bool coresight_is_claimed_self_hosted(struct coresight_device *csdev)
{
- return coresight_read_claim_tags(base) == CORESIGHT_CLAIM_SELF_HOSTED;
+ return coresight_read_claim_tags(csdev) == CORESIGHT_CLAIM_SELF_HOSTED;
}
-static inline bool coresight_is_claimed_any(void __iomem *base)
+static inline bool coresight_is_claimed_any(struct coresight_device *csdev)
{
- return coresight_read_claim_tags(base) != 0;
+ return coresight_read_claim_tags(csdev) != 0;
}
-static inline void coresight_set_claim_tags(void __iomem *base)
+static inline void coresight_set_claim_tags(struct coresight_device *csdev)
{
- writel_relaxed(CORESIGHT_CLAIM_SELF_HOSTED, base + CORESIGHT_CLAIMSET);
+ csdev_access_relaxed_write32(&csdev->access, CORESIGHT_CLAIM_SELF_HOSTED,
+ CORESIGHT_CLAIMSET);
isb();
}
-static inline void coresight_clear_claim_tags(void __iomem *base)
+static inline void coresight_clear_claim_tags(struct coresight_device *csdev)
{
- writel_relaxed(CORESIGHT_CLAIM_SELF_HOSTED, base + CORESIGHT_CLAIMCLR);
+ csdev_access_relaxed_write32(&csdev->access, CORESIGHT_CLAIM_SELF_HOSTED,
+ CORESIGHT_CLAIMCLR);
isb();
}
@@ -182,27 +197,33 @@ static inline void coresight_clear_claim_tags(void __iomem *base)
* Called with CS_UNLOCKed for the component.
* Returns : 0 on success
*/
-int coresight_claim_device_unlocked(void __iomem *base)
+int coresight_claim_device_unlocked(struct coresight_device *csdev)
{
- if (coresight_is_claimed_any(base))
+ if (WARN_ON(!csdev))
+ return -EINVAL;
+
+ if (coresight_is_claimed_any(csdev))
return -EBUSY;
- coresight_set_claim_tags(base);
- if (coresight_is_claimed_self_hosted(base))
+ coresight_set_claim_tags(csdev);
+ if (coresight_is_claimed_self_hosted(csdev))
return 0;
/* There was a race setting the tags, clean up and fail */
- coresight_clear_claim_tags(base);
+ coresight_clear_claim_tags(csdev);
return -EBUSY;
}
EXPORT_SYMBOL_GPL(coresight_claim_device_unlocked);
-int coresight_claim_device(void __iomem *base)
+int coresight_claim_device(struct coresight_device *csdev)
{
int rc;
- CS_UNLOCK(base);
- rc = coresight_claim_device_unlocked(base);
- CS_LOCK(base);
+ if (WARN_ON(!csdev))
+ return -EINVAL;
+
+ CS_UNLOCK(csdev->access.base);
+ rc = coresight_claim_device_unlocked(csdev);
+ CS_LOCK(csdev->access.base);
return rc;
}
@@ -212,11 +233,14 @@ EXPORT_SYMBOL_GPL(coresight_claim_device);
* coresight_disclaim_device_unlocked : Clear the claim tags for the device.
* Called with CS_UNLOCKed for the component.
*/
-void coresight_disclaim_device_unlocked(void __iomem *base)
+void coresight_disclaim_device_unlocked(struct coresight_device *csdev)
{
- if (coresight_is_claimed_self_hosted(base))
- coresight_clear_claim_tags(base);
+ if (WARN_ON(!csdev))
+ return;
+
+ if (coresight_is_claimed_self_hosted(csdev))
+ coresight_clear_claim_tags(csdev);
else
/*
* The external agent may have not honoured our claim
@@ -227,11 +251,14 @@ void coresight_disclaim_device_unlocked(void __iomem *base)
}
EXPORT_SYMBOL_GPL(coresight_disclaim_device_unlocked);
-void coresight_disclaim_device(void __iomem *base)
+void coresight_disclaim_device(struct coresight_device *csdev)
{
- CS_UNLOCK(base);
- coresight_disclaim_device_unlocked(base);
- CS_LOCK(base);
+ if (WARN_ON(!csdev))
+ return;
+
+ CS_UNLOCK(csdev->access.base);
+ coresight_disclaim_device_unlocked(csdev);
+ CS_LOCK(csdev->access.base);
}
EXPORT_SYMBOL_GPL(coresight_disclaim_device);
@@ -764,6 +791,14 @@ static int _coresight_build_path(struct coresight_device *csdev,
if (csdev == sink)
goto out;
+ if (coresight_is_percpu_source(csdev) && coresight_is_percpu_sink(sink) &&
+ sink == per_cpu(csdev_sink, source_ops(csdev)->cpu_id(csdev))) {
+ if (_coresight_build_path(sink, sink, path) == 0) {
+ found = true;
+ goto out;
+ }
+ }
+
/* Not a sink - recursively explore each port found on this element */
for (i = 0; i < csdev->pdata->nr_outport; i++) {
struct coresight_device *child_dev;
@@ -979,8 +1014,12 @@ coresight_find_default_sink(struct coresight_device *csdev)
int depth = 0;
/* look for a default sink if we have not found for this device */
- if (!csdev->def_sink)
- csdev->def_sink = coresight_find_sink(csdev, &depth);
+ if (!csdev->def_sink) {
+ if (coresight_is_percpu_source(csdev))
+ csdev->def_sink = per_cpu(csdev_sink, source_ops(csdev)->cpu_id(csdev));
+ if (!csdev->def_sink)
+ csdev->def_sink = coresight_find_sink(csdev, &depth);
+ }
return csdev->def_sink;
}
@@ -1412,23 +1451,24 @@ static void coresight_remove_conns(struct coresight_device *csdev)
}
/**
- * coresight_timeout - loop until a bit has changed to a specific state.
- * @addr: base address of the area of interest.
- * @offset: address of a register, starting from @addr.
+ * coresight_timeout - loop until a bit has changed to a specific register
+ * state.
+ * @csa: coresight device access for the device
+ * @offset: Offset of the register from the base of the device.
* @position: the position of the bit of interest.
* @value: the value the bit should have.
*
* Return: 0 as soon as the bit has taken the desired state or -EAGAIN if
* TIMEOUT_US has elapsed, which ever happens first.
*/
-
-int coresight_timeout(void __iomem *addr, u32 offset, int position, int value)
+int coresight_timeout(struct csdev_access *csa, u32 offset,
+ int position, int value)
{
int i;
u32 val;
for (i = TIMEOUT_US; i > 0; i--) {
- val = __raw_readl(addr + offset);
+ val = csdev_access_read32(csa, offset);
/* waiting on the bit to go from 0 to 1 */
if (value) {
if (val & BIT(position))
@@ -1452,6 +1492,48 @@ int coresight_timeout(void __iomem *addr, u32 offset, int position, int value)
}
EXPORT_SYMBOL_GPL(coresight_timeout);
+u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset)
+{
+ return csdev_access_relaxed_read32(&csdev->access, offset);
+}
+
+u32 coresight_read32(struct coresight_device *csdev, u32 offset)
+{
+ return csdev_access_read32(&csdev->access, offset);
+}
+
+void coresight_relaxed_write32(struct coresight_device *csdev,
+ u32 val, u32 offset)
+{
+ csdev_access_relaxed_write32(&csdev->access, val, offset);
+}
+
+void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset)
+{
+ csdev_access_write32(&csdev->access, val, offset);
+}
+
+u64 coresight_relaxed_read64(struct coresight_device *csdev, u32 offset)
+{
+ return csdev_access_relaxed_read64(&csdev->access, offset);
+}
+
+u64 coresight_read64(struct coresight_device *csdev, u32 offset)
+{
+ return csdev_access_read64(&csdev->access, offset);
+}
+
+void coresight_relaxed_write64(struct coresight_device *csdev,
+ u64 val, u32 offset)
+{
+ csdev_access_relaxed_write64(&csdev->access, val, offset);
+}
+
+void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset)
+{
+ csdev_access_write64(&csdev->access, val, offset);
+}
+
/*
* coresight_release_platform_data: Release references to the devices connected
* to the output port of this device.
@@ -1516,6 +1598,7 @@ struct coresight_device *coresight_register(struct coresight_desc *desc)
csdev->type = desc->type;
csdev->subtype = desc->subtype;
csdev->ops = desc->ops;
+ csdev->access = desc->access;
csdev->orphan = false;
csdev->dev.type = &coresight_dev_type[desc->type];
diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c
index e1d2324..2dcf13d 100644
--- a/drivers/hwtracing/coresight/coresight-cpu-debug.c
+++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c
@@ -627,7 +627,7 @@ static int debug_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int debug_remove(struct amba_device *adev)
+static void debug_remove(struct amba_device *adev)
{
struct device *dev = &adev->dev;
struct debug_drvdata *drvdata = amba_get_drvdata(adev);
@@ -642,8 +642,6 @@ static int debug_remove(struct amba_device *adev)
if (!--debug_count)
debug_func_exit();
-
- return 0;
}
static const struct amba_cs_uci_id uci_id_debug[] = {
diff --git a/drivers/hwtracing/coresight/coresight-cti-core.c b/drivers/hwtracing/coresight/coresight-cti-core.c
index 7ea9359..8988b2e 100644
--- a/drivers/hwtracing/coresight/coresight-cti-core.c
+++ b/drivers/hwtracing/coresight/coresight-cti-core.c
@@ -102,7 +102,7 @@ static int cti_enable_hw(struct cti_drvdata *drvdata)
goto cti_state_unchanged;
/* claim the device */
- rc = coresight_claim_device(drvdata->base);
+ rc = coresight_claim_device(drvdata->csdev);
if (rc)
goto cti_err_not_enabled;
@@ -136,7 +136,7 @@ static void cti_cpuhp_enable_hw(struct cti_drvdata *drvdata)
goto cti_hp_not_enabled;
/* try to claim the device */
- if (coresight_claim_device(drvdata->base))
+ if (coresight_claim_device(drvdata->csdev))
goto cti_hp_not_enabled;
cti_write_all_hw_regs(drvdata);
@@ -154,6 +154,7 @@ static int cti_disable_hw(struct cti_drvdata *drvdata)
{
struct cti_config *config = &drvdata->config;
struct device *dev = &drvdata->csdev->dev;
+ struct coresight_device *csdev = drvdata->csdev;
spin_lock(&drvdata->spinlock);
@@ -171,7 +172,7 @@ static int cti_disable_hw(struct cti_drvdata *drvdata)
writel_relaxed(0, drvdata->base + CTICONTROL);
config->hw_enabled = false;
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
spin_unlock(&drvdata->spinlock);
pm_runtime_put(dev->parent);
@@ -655,6 +656,7 @@ static int cti_cpu_pm_notify(struct notifier_block *nb, unsigned long cmd,
void *v)
{
struct cti_drvdata *drvdata;
+ struct coresight_device *csdev;
unsigned int cpu = smp_processor_id();
int notify_res = NOTIFY_OK;
@@ -662,6 +664,7 @@ static int cti_cpu_pm_notify(struct notifier_block *nb, unsigned long cmd,
return NOTIFY_OK;
drvdata = cti_cpu_drvdata[cpu];
+ csdev = drvdata->csdev;
if (WARN_ON_ONCE(drvdata->ctidev.cpu != cpu))
return NOTIFY_BAD;
@@ -673,13 +676,13 @@ static int cti_cpu_pm_notify(struct notifier_block *nb, unsigned long cmd,
/* CTI regs all static - we have a copy & nothing to save */
drvdata->config.hw_powered = false;
if (drvdata->config.hw_enabled)
- coresight_disclaim_device(drvdata->base);
+ coresight_disclaim_device(csdev);
break;
case CPU_PM_ENTER_FAILED:
drvdata->config.hw_powered = true;
if (drvdata->config.hw_enabled) {
- if (coresight_claim_device(drvdata->base))
+ if (coresight_claim_device(csdev))
drvdata->config.hw_enabled = false;
}
break;
@@ -692,7 +695,7 @@ static int cti_cpu_pm_notify(struct notifier_block *nb, unsigned long cmd,
/* check enable reference count to enable HW */
if (atomic_read(&drvdata->config.enable_req_count)) {
/* check we can claim the device as we re-power */
- if (coresight_claim_device(drvdata->base))
+ if (coresight_claim_device(csdev))
goto cti_notify_exit;
drvdata->config.hw_enabled = true;
@@ -736,7 +739,7 @@ static int cti_dying_cpu(unsigned int cpu)
spin_lock(&drvdata->spinlock);
drvdata->config.hw_powered = false;
if (drvdata->config.hw_enabled)
- coresight_disclaim_device(drvdata->base);
+ coresight_disclaim_device(drvdata->csdev);
spin_unlock(&drvdata->spinlock);
return 0;
}
@@ -836,7 +839,7 @@ static void cti_device_release(struct device *dev)
if (drvdata->csdev_release)
drvdata->csdev_release(dev);
}
-static int cti_remove(struct amba_device *adev)
+static void cti_remove(struct amba_device *adev)
{
struct cti_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@@ -845,8 +848,6 @@ static int cti_remove(struct amba_device *adev)
mutex_unlock(&ect_mutex);
coresight_unregister(drvdata->csdev);
-
- return 0;
}
static int cti_probe(struct amba_device *adev, const struct amba_id *id)
@@ -870,6 +871,7 @@ static int cti_probe(struct amba_device *adev, const struct amba_id *id)
return PTR_ERR(base);
drvdata->base = base;
+ cti_desc.access = CSDEV_ACCESS_IOMEM(base);
dev_set_drvdata(dev, drvdata);
diff --git a/drivers/hwtracing/coresight/coresight-cti-platform.c b/drivers/hwtracing/coresight/coresight-cti-platform.c
index 98f830c..ccef04f 100644
--- a/drivers/hwtracing/coresight/coresight-cti-platform.c
+++ b/drivers/hwtracing/coresight/coresight-cti-platform.c
@@ -343,7 +343,6 @@ static int cti_plat_create_connection(struct device *dev,
{
struct cti_trig_con *tc = NULL;
int cpuid = -1, err = 0;
- struct fwnode_handle *cs_fwnode = NULL;
struct coresight_device *csdev = NULL;
const char *assoc_name = "unknown";
char cpu_name_str[16];
@@ -397,8 +396,9 @@ static int cti_plat_create_connection(struct device *dev,
assoc_name = cpu_name_str;
} else {
/* associated device ? */
- cs_fwnode = fwnode_find_reference(fwnode,
- CTI_DT_CSDEV_ASSOC, 0);
+ struct fwnode_handle *cs_fwnode = fwnode_find_reference(fwnode,
+ CTI_DT_CSDEV_ASSOC,
+ 0);
if (!IS_ERR(cs_fwnode)) {
assoc_name = cti_plat_get_csdev_or_node_name(cs_fwnode,
&csdev);
diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
index 0cf6f0b..f775cbe 100644
--- a/drivers/hwtracing/coresight/coresight-etb10.c
+++ b/drivers/hwtracing/coresight/coresight-etb10.c
@@ -132,7 +132,7 @@ static void __etb_enable_hw(struct etb_drvdata *drvdata)
static int etb_enable_hw(struct etb_drvdata *drvdata)
{
- int rc = coresight_claim_device(drvdata->base);
+ int rc = coresight_claim_device(drvdata->csdev);
if (rc)
return rc;
@@ -252,6 +252,7 @@ static void __etb_disable_hw(struct etb_drvdata *drvdata)
{
u32 ffcr;
struct device *dev = &drvdata->csdev->dev;
+ struct csdev_access *csa = &drvdata->csdev->access;
CS_UNLOCK(drvdata->base);
@@ -263,7 +264,7 @@ static void __etb_disable_hw(struct etb_drvdata *drvdata)
ffcr |= ETB_FFCR_FON_MAN;
writel_relaxed(ffcr, drvdata->base + ETB_FFCR);
- if (coresight_timeout(drvdata->base, ETB_FFCR, ETB_FFCR_BIT, 0)) {
+ if (coresight_timeout(csa, ETB_FFCR, ETB_FFCR_BIT, 0)) {
dev_err(dev,
"timeout while waiting for completion of Manual Flush\n");
}
@@ -271,7 +272,7 @@ static void __etb_disable_hw(struct etb_drvdata *drvdata)
/* disable trace capture */
writel_relaxed(0x0, drvdata->base + ETB_CTL_REG);
- if (coresight_timeout(drvdata->base, ETB_FFSR, ETB_FFSR_BIT, 1)) {
+ if (coresight_timeout(csa, ETB_FFSR, ETB_FFSR_BIT, 1)) {
dev_err(dev,
"timeout while waiting for Formatter to Stop\n");
}
@@ -344,7 +345,7 @@ static void etb_disable_hw(struct etb_drvdata *drvdata)
{
__etb_disable_hw(drvdata);
etb_dump_hw(drvdata);
- coresight_disclaim_device(drvdata->base);
+ coresight_disclaim_device(drvdata->csdev);
}
static int etb_disable(struct coresight_device *csdev)
@@ -757,6 +758,7 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
return PTR_ERR(base);
drvdata->base = base;
+ desc.access = CSDEV_ACCESS_IOMEM(base);
spin_lock_init(&drvdata->spinlock);
@@ -803,7 +805,7 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int etb_remove(struct amba_device *adev)
+static void etb_remove(struct amba_device *adev)
{
struct etb_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@@ -814,8 +816,6 @@ static int etb_remove(struct amba_device *adev)
*/
misc_deregister(&drvdata->miscdev);
coresight_unregister(drvdata->csdev);
-
- return 0;
}
#ifdef CONFIG_PM
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index bdc34ca..9142c5b 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -24,20 +24,67 @@
static struct pmu etm_pmu;
static bool etm_perf_up;
-static DEFINE_PER_CPU(struct perf_output_handle, ctx_handle);
+/*
+ * An ETM context for a running event includes the perf aux handle
+ * and aux_data. For ETM, the aux_data (etm_event_data), consists of
+ * the trace path and the sink configuration. The event data is accessible
+ * via perf_get_aux(handle). However, a sink could "end" a perf output
+ * handle via the IRQ handler. And if the "sink" encounters a failure
+ * to "begin" another session (e.g due to lack of space in the buffer),
+ * the handle will be cleared. Thus, the event_data may not be accessible
+ * from the handle when we get to the etm_event_stop(), which is required
+ * for stopping the trace path. The event_data is guaranteed to stay alive
+ * until "free_aux()", which cannot happen as long as the event is active on
+ * the ETM. Thus the event_data for the session must be part of the ETM context
+ * to make sure we can disable the trace path.
+ */
+struct etm_ctxt {
+ struct perf_output_handle handle;
+ struct etm_event_data *event_data;
+};
+
+static DEFINE_PER_CPU(struct etm_ctxt, etm_ctxt);
static DEFINE_PER_CPU(struct coresight_device *, csdev_src);
-/* ETMv3.5/PTM's ETMCR is 'config' */
+/*
+ * The PMU formats were orignally for ETMv3.5/PTM's ETMCR 'config';
+ * now take them as general formats and apply on all ETMs.
+ */
PMU_FORMAT_ATTR(cycacc, "config:" __stringify(ETM_OPT_CYCACC));
-PMU_FORMAT_ATTR(contextid, "config:" __stringify(ETM_OPT_CTXTID));
+/* contextid1 enables tracing CONTEXTIDR_EL1 for ETMv4 */
+PMU_FORMAT_ATTR(contextid1, "config:" __stringify(ETM_OPT_CTXTID));
+/* contextid2 enables tracing CONTEXTIDR_EL2 for ETMv4 */
+PMU_FORMAT_ATTR(contextid2, "config:" __stringify(ETM_OPT_CTXTID2));
PMU_FORMAT_ATTR(timestamp, "config:" __stringify(ETM_OPT_TS));
PMU_FORMAT_ATTR(retstack, "config:" __stringify(ETM_OPT_RETSTK));
/* Sink ID - same for all ETMs */
PMU_FORMAT_ATTR(sinkid, "config2:0-31");
+/*
+ * contextid always traces the "PID". The PID is in CONTEXTIDR_EL1
+ * when the kernel is running at EL1; when the kernel is at EL2,
+ * the PID is in CONTEXTIDR_EL2.
+ */
+static ssize_t format_attr_contextid_show(struct device *dev,
+ struct device_attribute *attr,
+ char *page)
+{
+ int pid_fmt = ETM_OPT_CTXTID;
+
+#if IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM4X)
+ pid_fmt = is_kernel_in_hyp_mode() ? ETM_OPT_CTXTID2 : ETM_OPT_CTXTID;
+#endif
+ return sprintf(page, "config:%d\n", pid_fmt);
+}
+
+struct device_attribute format_attr_contextid =
+ __ATTR(contextid, 0444, format_attr_contextid_show, NULL);
+
static struct attribute *etm_config_formats_attr[] = {
&format_attr_cycacc.attr,
&format_attr_contextid.attr,
+ &format_attr_contextid1.attr,
+ &format_attr_contextid2.attr,
&format_attr_timestamp.attr,
&format_attr_retstack.attr,
&format_attr_sinkid.attr,
@@ -204,6 +251,25 @@ static void etm_free_aux(void *data)
schedule_work(&event_data->work);
}
+/*
+ * Check if two given sinks are compatible with each other,
+ * so that they can use the same sink buffers, when an event
+ * moves around.
+ */
+static bool sinks_compatible(struct coresight_device *a,
+ struct coresight_device *b)
+{
+ if (!a || !b)
+ return false;
+ /*
+ * If the sinks are of the same subtype and driven
+ * by the same driver, we can use the same buffer
+ * on these sinks.
+ */
+ return (a->subtype.sink_subtype == b->subtype.sink_subtype) &&
+ (sink_ops(a) == sink_ops(b));
+}
+
static void *etm_setup_aux(struct perf_event *event, void **pages,
int nr_pages, bool overwrite)
{
@@ -211,6 +277,7 @@ static void *etm_setup_aux(struct perf_event *event, void **pages,
int cpu = event->cpu;
cpumask_t *mask;
struct coresight_device *sink = NULL;
+ struct coresight_device *user_sink = NULL, *last_sink = NULL;
struct etm_event_data *event_data = NULL;
event_data = alloc_event_data(cpu);
@@ -221,7 +288,7 @@ static void *etm_setup_aux(struct perf_event *event, void **pages,
/* First get the selected sink from user space. */
if (event->attr.config2) {
id = (u32)event->attr.config2;
- sink = coresight_get_sink_by_id(id);
+ sink = user_sink = coresight_get_sink_by_id(id);
}
mask = &event_data->mask;
@@ -249,14 +316,33 @@ static void *etm_setup_aux(struct perf_event *event, void **pages,
}
/*
- * No sink provided - look for a default sink for one of the
- * devices. At present we only support topology where all CPUs
- * use the same sink [N:1], so only need to find one sink. The
- * coresight_build_path later will remove any CPU that does not
- * attach to the sink, or if we have not found a sink.
+ * No sink provided - look for a default sink for all the ETMs,
+ * where this event can be scheduled.
+ * We allocate the sink specific buffers only once for this
+ * event. If the ETMs have different default sink devices, we
+ * can only use a single "type" of sink as the event can carry
+ * only one sink specific buffer. Thus we have to make sure
+ * that the sinks are of the same type and driven by the same
+ * driver, as the one we allocate the buffer for. As such
+ * we choose the first sink and check if the remaining ETMs
+ * have a compatible default sink. We don't trace on a CPU
+ * if the sink is not compatible.
*/
- if (!sink)
+ if (!user_sink) {
+ /* Find the default sink for this ETM */
sink = coresight_find_default_sink(csdev);
+ if (!sink) {
+ cpumask_clear_cpu(cpu, mask);
+ continue;
+ }
+
+ /* Check if this sink compatible with the last sink */
+ if (last_sink && !sinks_compatible(last_sink, sink)) {
+ cpumask_clear_cpu(cpu, mask);
+ continue;
+ }
+ last_sink = sink;
+ }
/*
* Building a path doesn't enable it, it simply builds a
@@ -284,7 +370,12 @@ static void *etm_setup_aux(struct perf_event *event, void **pages,
if (!sink_ops(sink)->alloc_buffer || !sink_ops(sink)->free_buffer)
goto err;
- /* Allocate the sink buffer for this session */
+ /*
+ * Allocate the sink buffer for this session. All the sinks
+ * where this event can be scheduled are ensured to be of the
+ * same type. Thus the same sink configuration is used by the
+ * sinks.
+ */
event_data->snk_config =
sink_ops(sink)->alloc_buffer(sink, event, pages,
nr_pages, overwrite);
@@ -304,13 +395,18 @@ static void etm_event_start(struct perf_event *event, int flags)
{
int cpu = smp_processor_id();
struct etm_event_data *event_data;
- struct perf_output_handle *handle = this_cpu_ptr(&ctx_handle);
+ struct etm_ctxt *ctxt = this_cpu_ptr(&etm_ctxt);
+ struct perf_output_handle *handle = &ctxt->handle;
struct coresight_device *sink, *csdev = per_cpu(csdev_src, cpu);
struct list_head *path;
if (!csdev)
goto fail;
+ /* Have we messed up our tracking ? */
+ if (WARN_ON(ctxt->event_data))
+ goto fail;
+
/*
* Deal with the ring buffer API and get a handle on the
* session's information.
@@ -346,6 +442,8 @@ static void etm_event_start(struct perf_event *event, int flags)
if (source_ops(csdev)->enable(csdev, event, CS_MODE_PERF))
goto fail_disable_path;
+ /* Save the event_data for this ETM */
+ ctxt->event_data = event_data;
out:
return;
@@ -364,13 +462,30 @@ static void etm_event_stop(struct perf_event *event, int mode)
int cpu = smp_processor_id();
unsigned long size;
struct coresight_device *sink, *csdev = per_cpu(csdev_src, cpu);
- struct perf_output_handle *handle = this_cpu_ptr(&ctx_handle);
- struct etm_event_data *event_data = perf_get_aux(handle);
+ struct etm_ctxt *ctxt = this_cpu_ptr(&etm_ctxt);
+ struct perf_output_handle *handle = &ctxt->handle;
+ struct etm_event_data *event_data;
struct list_head *path;
+ /*
+ * If we still have access to the event_data via handle,
+ * confirm that we haven't messed up the tracking.
+ */
+ if (handle->event &&
+ WARN_ON(perf_get_aux(handle) != ctxt->event_data))
+ return;
+
+ event_data = ctxt->event_data;
+ /* Clear the event_data as this ETM is stopping the trace. */
+ ctxt->event_data = NULL;
+
if (event->hw.state == PERF_HES_STOPPED)
return;
+ /* We must have a valid event_data for a running event */
+ if (WARN_ON(!event_data))
+ return;
+
if (!csdev)
return;
@@ -388,7 +503,13 @@ static void etm_event_stop(struct perf_event *event, int mode)
/* tell the core */
event->hw.state = PERF_HES_STOPPED;
- if (mode & PERF_EF_UPDATE) {
+ /*
+ * If the handle is not bound to an event anymore
+ * (e.g, the sink driver was unable to restart the
+ * handle due to lack of buffer space), we don't
+ * have to do anything here.
+ */
+ if (handle->event && (mode & PERF_EF_UPDATE)) {
if (WARN_ON_ONCE(handle->event != event))
return;
diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c
index 5bf5a5a..cf64ce7 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c
@@ -358,10 +358,11 @@ static int etm_enable_hw(struct etm_drvdata *drvdata)
int i, rc;
u32 etmcr;
struct etm_config *config = &drvdata->config;
+ struct coresight_device *csdev = drvdata->csdev;
CS_UNLOCK(drvdata->base);
- rc = coresight_claim_device_unlocked(drvdata->base);
+ rc = coresight_claim_device_unlocked(csdev);
if (rc)
goto done;
@@ -566,6 +567,7 @@ static void etm_disable_hw(void *info)
int i;
struct etm_drvdata *drvdata = info;
struct etm_config *config = &drvdata->config;
+ struct coresight_device *csdev = drvdata->csdev;
CS_UNLOCK(drvdata->base);
etm_set_prog(drvdata);
@@ -577,7 +579,7 @@ static void etm_disable_hw(void *info)
config->cntr_val[i] = etm_readl(drvdata, ETMCNTVRn(i));
etm_set_pwrdwn(drvdata);
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
@@ -602,7 +604,7 @@ static void etm_disable_perf(struct coresight_device *csdev)
* power down the tracer.
*/
etm_set_pwrdwn(drvdata);
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
}
@@ -839,6 +841,7 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id)
return PTR_ERR(base);
drvdata->base = base;
+ desc.access = CSDEV_ACCESS_IOMEM(base);
spin_lock_init(&drvdata->spinlock);
@@ -909,7 +912,7 @@ static void clear_etmdrvdata(void *info)
etmdrvdata[cpu] = NULL;
}
-static int etm_remove(struct amba_device *adev)
+static void etm_remove(struct amba_device *adev)
{
struct etm_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@@ -932,8 +935,6 @@ static int etm_remove(struct amba_device *adev)
cpus_read_unlock();
coresight_unregister(drvdata->csdev);
-
- return 0;
}
#ifdef CONFIG_PM
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 74d3e2f..6fee02b 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -3,6 +3,7 @@
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*/
+#include <linux/bitops.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@@ -26,9 +27,13 @@
#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include <linux/perf_event.h>
+#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/property.h>
+
+#include <asm/barrier.h>
#include <asm/sections.h>
+#include <asm/sysreg.h>
#include <asm/local.h>
#include <asm/virt.h>
@@ -56,32 +61,160 @@ static u64 etm4_get_access_type(struct etmv4_config *config);
static enum cpuhp_state hp_online;
+struct etm4_init_arg {
+ unsigned int pid;
+ struct etmv4_drvdata *drvdata;
+ struct csdev_access *csa;
+};
+
+/*
+ * Check if TRCSSPCICRn(i) is implemented for a given instance.
+ *
+ * TRCSSPCICRn is implemented only if :
+ * TRCSSPCICR<n> is present only if all of the following are true:
+ * TRCIDR4.NUMSSCC > n.
+ * TRCIDR4.NUMPC > 0b0000 .
+ * TRCSSCSR<n>.PC == 0b1
+ */
+static inline bool etm4x_sspcicrn_present(struct etmv4_drvdata *drvdata, int n)
+{
+ return (n < drvdata->nr_ss_cmp) &&
+ drvdata->nr_pe &&
+ (drvdata->config.ss_status[n] & TRCSSCSRn_PC);
+}
+
+u64 etm4x_sysreg_read(u32 offset, bool _relaxed, bool _64bit)
+{
+ u64 res = 0;
+
+ switch (offset) {
+ ETM4x_READ_SYSREG_CASES(res)
+ default :
+ pr_warn_ratelimited("etm4x: trying to read unsupported register @%x\n",
+ offset);
+ }
+
+ if (!_relaxed)
+ __iormb(res); /* Imitate the !relaxed I/O helpers */
+
+ return res;
+}
+
+void etm4x_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit)
+{
+ if (!_relaxed)
+ __iowmb(); /* Imitate the !relaxed I/O helpers */
+ if (!_64bit)
+ val &= GENMASK(31, 0);
+
+ switch (offset) {
+ ETM4x_WRITE_SYSREG_CASES(val)
+ default :
+ pr_warn_ratelimited("etm4x: trying to write to unsupported register @%x\n",
+ offset);
+ }
+}
+
+static u64 ete_sysreg_read(u32 offset, bool _relaxed, bool _64bit)
+{
+ u64 res = 0;
+
+ switch (offset) {
+ ETE_READ_CASES(res)
+ default :
+ pr_warn_ratelimited("ete: trying to read unsupported register @%x\n",
+ offset);
+ }
+
+ if (!_relaxed)
+ __iormb(res); /* Imitate the !relaxed I/O helpers */
+
+ return res;
+}
+
+static void ete_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit)
+{
+ if (!_relaxed)
+ __iowmb(); /* Imitate the !relaxed I/O helpers */
+ if (!_64bit)
+ val &= GENMASK(31, 0);
+
+ switch (offset) {
+ ETE_WRITE_CASES(val)
+ default :
+ pr_warn_ratelimited("ete: trying to write to unsupported register @%x\n",
+ offset);
+ }
+}
+
+static void etm_detect_os_lock(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa)
+{
+ u32 oslsr = etm4x_relaxed_read32(csa, TRCOSLSR);
+
+ drvdata->os_lock_model = ETM_OSLSR_OSLM(oslsr);
+}
+
+static void etm_write_os_lock(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa, u32 val)
+{
+ val = !!val;
+
+ switch (drvdata->os_lock_model) {
+ case ETM_OSLOCK_PRESENT:
+ etm4x_relaxed_write32(csa, val, TRCOSLAR);
+ break;
+ case ETM_OSLOCK_PE:
+ write_sysreg_s(val, SYS_OSLAR_EL1);
+ break;
+ default:
+ pr_warn_once("CPU%d: Unsupported Trace OSLock model: %x\n",
+ smp_processor_id(), drvdata->os_lock_model);
+ fallthrough;
+ case ETM_OSLOCK_NI:
+ return;
+ }
+ isb();
+}
+
+static inline void etm4_os_unlock_csa(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa)
+{
+ WARN_ON(drvdata->cpu != smp_processor_id());
+
+ /* Writing 0 to OS Lock unlocks the trace unit registers */
+ etm_write_os_lock(drvdata, csa, 0x0);
+ drvdata->os_unlock = true;
+}
+
static void etm4_os_unlock(struct etmv4_drvdata *drvdata)
{
- /* Writing 0 to TRCOSLAR unlocks the trace registers */
- writel_relaxed(0x0, drvdata->base + TRCOSLAR);
- drvdata->os_unlock = true;
- isb();
+ if (!WARN_ON(!drvdata->csdev))
+ etm4_os_unlock_csa(drvdata, &drvdata->csdev->access);
}
static void etm4_os_lock(struct etmv4_drvdata *drvdata)
{
- /* Writing 0x1 to TRCOSLAR locks the trace registers */
- writel_relaxed(0x1, drvdata->base + TRCOSLAR);
+ if (WARN_ON(!drvdata->csdev))
+ return;
+ /* Writing 0x1 to OS Lock locks the trace registers */
+ etm_write_os_lock(drvdata, &drvdata->csdev->access, 0x1);
drvdata->os_unlock = false;
- isb();
}
-static bool etm4_arch_supported(u8 arch)
+static void etm4_cs_lock(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa)
{
- /* Mask out the minor version number */
- switch (arch & 0xf0) {
- case ETM_ARCH_V4:
- break;
- default:
- return false;
- }
- return true;
+ /* Software Lock is only accessible via memory mapped interface */
+ if (csa->io_mem)
+ CS_LOCK(csa->base);
+}
+
+static void etm4_cs_unlock(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa)
+{
+ if (csa->io_mem)
+ CS_UNLOCK(csa->base);
}
static int etm4_cpu_id(struct coresight_device *csdev)
@@ -103,61 +236,159 @@ struct etm4_enable_arg {
int rc;
};
+#ifdef CONFIG_ETM4X_IMPDEF_FEATURE
+
+#define HISI_HIP08_AMBA_ID 0x000b6d01
+#define ETM4_AMBA_MASK 0xfffff
+#define HISI_HIP08_CORE_COMMIT_MASK 0x3000
+#define HISI_HIP08_CORE_COMMIT_SHIFT 12
+#define HISI_HIP08_CORE_COMMIT_FULL 0b00
+#define HISI_HIP08_CORE_COMMIT_LVL_1 0b01
+#define HISI_HIP08_CORE_COMMIT_REG sys_reg(3, 1, 15, 2, 5)
+
+struct etm4_arch_features {
+ void (*arch_callback)(bool enable);
+};
+
+static bool etm4_hisi_match_pid(unsigned int id)
+{
+ return (id & ETM4_AMBA_MASK) == HISI_HIP08_AMBA_ID;
+}
+
+static void etm4_hisi_config_core_commit(bool enable)
+{
+ u8 commit = enable ? HISI_HIP08_CORE_COMMIT_LVL_1 :
+ HISI_HIP08_CORE_COMMIT_FULL;
+ u64 val;
+
+ /*
+ * bit 12 and 13 of HISI_HIP08_CORE_COMMIT_REG are used together
+ * to set core-commit, 2'b00 means cpu is at full speed, 2'b01,
+ * 2'b10, 2'b11 mean reduce pipeline speed, and 2'b01 means level-1
+ * speed(minimun value). So bit 12 and 13 should be cleared together.
+ */
+ val = read_sysreg_s(HISI_HIP08_CORE_COMMIT_REG);
+ val &= ~HISI_HIP08_CORE_COMMIT_MASK;
+ val |= commit << HISI_HIP08_CORE_COMMIT_SHIFT;
+ write_sysreg_s(val, HISI_HIP08_CORE_COMMIT_REG);
+}
+
+static struct etm4_arch_features etm4_features[] = {
+ [ETM4_IMPDEF_HISI_CORE_COMMIT] = {
+ .arch_callback = etm4_hisi_config_core_commit,
+ },
+ {},
+};
+
+static void etm4_enable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+ struct etm4_arch_features *ftr;
+ int bit;
+
+ for_each_set_bit(bit, drvdata->arch_features, ETM4_IMPDEF_FEATURE_MAX) {
+ ftr = &etm4_features[bit];
+
+ if (ftr->arch_callback)
+ ftr->arch_callback(true);
+ }
+}
+
+static void etm4_disable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+ struct etm4_arch_features *ftr;
+ int bit;
+
+ for_each_set_bit(bit, drvdata->arch_features, ETM4_IMPDEF_FEATURE_MAX) {
+ ftr = &etm4_features[bit];
+
+ if (ftr->arch_callback)
+ ftr->arch_callback(false);
+ }
+}
+
+static void etm4_check_arch_features(struct etmv4_drvdata *drvdata,
+ unsigned int id)
+{
+ if (etm4_hisi_match_pid(id))
+ set_bit(ETM4_IMPDEF_HISI_CORE_COMMIT, drvdata->arch_features);
+}
+#else
+static void etm4_enable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+}
+
+static void etm4_disable_arch_specific(struct etmv4_drvdata *drvdata)
+{
+}
+
+static void etm4_check_arch_features(struct etmv4_drvdata *drvdata,
+ unsigned int id)
+{
+}
+#endif /* CONFIG_ETM4X_IMPDEF_FEATURE */
+
static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
{
int i, rc;
struct etmv4_config *config = &drvdata->config;
- struct device *etm_dev = &drvdata->csdev->dev;
+ struct coresight_device *csdev = drvdata->csdev;
+ struct device *etm_dev = &csdev->dev;
+ struct csdev_access *csa = &csdev->access;
- CS_UNLOCK(drvdata->base);
+
+ etm4_cs_unlock(drvdata, csa);
+ etm4_enable_arch_specific(drvdata);
etm4_os_unlock(drvdata);
- rc = coresight_claim_device_unlocked(drvdata->base);
+ rc = coresight_claim_device_unlocked(csdev);
if (rc)
goto done;
/* Disable the trace unit before programming trace registers */
- writel_relaxed(0, drvdata->base + TRCPRGCTLR);
+ etm4x_relaxed_write32(csa, 0, TRCPRGCTLR);
+
+ /*
+ * If we use system instructions, we need to synchronize the
+ * write to the TRCPRGCTLR, before accessing the TRCSTATR.
+ * See ARM IHI0064F, section
+ * "4.3.7 Synchronization of register updates"
+ */
+ if (!csa->io_mem)
+ isb();
/* wait for TRCSTATR.IDLE to go up */
- if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1))
+ if (coresight_timeout(csa, TRCSTATR, TRCSTATR_IDLE_BIT, 1))
dev_err(etm_dev,
"timeout while waiting for Idle Trace Status\n");
if (drvdata->nr_pe)
- writel_relaxed(config->pe_sel, drvdata->base + TRCPROCSELR);
- writel_relaxed(config->cfg, drvdata->base + TRCCONFIGR);
+ etm4x_relaxed_write32(csa, config->pe_sel, TRCPROCSELR);
+ etm4x_relaxed_write32(csa, config->cfg, TRCCONFIGR);
/* nothing specific implemented */
- writel_relaxed(0x0, drvdata->base + TRCAUXCTLR);
- writel_relaxed(config->eventctrl0, drvdata->base + TRCEVENTCTL0R);
- writel_relaxed(config->eventctrl1, drvdata->base + TRCEVENTCTL1R);
+ etm4x_relaxed_write32(csa, 0x0, TRCAUXCTLR);
+ etm4x_relaxed_write32(csa, config->eventctrl0, TRCEVENTCTL0R);
+ etm4x_relaxed_write32(csa, config->eventctrl1, TRCEVENTCTL1R);
if (drvdata->stallctl)
- writel_relaxed(config->stall_ctrl, drvdata->base + TRCSTALLCTLR);
- writel_relaxed(config->ts_ctrl, drvdata->base + TRCTSCTLR);
- writel_relaxed(config->syncfreq, drvdata->base + TRCSYNCPR);
- writel_relaxed(config->ccctlr, drvdata->base + TRCCCCTLR);
- writel_relaxed(config->bb_ctrl, drvdata->base + TRCBBCTLR);
- writel_relaxed(drvdata->trcid, drvdata->base + TRCTRACEIDR);
- writel_relaxed(config->vinst_ctrl, drvdata->base + TRCVICTLR);
- writel_relaxed(config->viiectlr, drvdata->base + TRCVIIECTLR);
- writel_relaxed(config->vissctlr,
- drvdata->base + TRCVISSCTLR);
+ etm4x_relaxed_write32(csa, config->stall_ctrl, TRCSTALLCTLR);
+ etm4x_relaxed_write32(csa, config->ts_ctrl, TRCTSCTLR);
+ etm4x_relaxed_write32(csa, config->syncfreq, TRCSYNCPR);
+ etm4x_relaxed_write32(csa, config->ccctlr, TRCCCCTLR);
+ etm4x_relaxed_write32(csa, config->bb_ctrl, TRCBBCTLR);
+ etm4x_relaxed_write32(csa, drvdata->trcid, TRCTRACEIDR);
+ etm4x_relaxed_write32(csa, config->vinst_ctrl, TRCVICTLR);
+ etm4x_relaxed_write32(csa, config->viiectlr, TRCVIIECTLR);
+ etm4x_relaxed_write32(csa, config->vissctlr, TRCVISSCTLR);
if (drvdata->nr_pe_cmp)
- writel_relaxed(config->vipcssctlr,
- drvdata->base + TRCVIPCSSCTLR);
+ etm4x_relaxed_write32(csa, config->vipcssctlr, TRCVIPCSSCTLR);
for (i = 0; i < drvdata->nrseqstate - 1; i++)
- writel_relaxed(config->seq_ctrl[i],
- drvdata->base + TRCSEQEVRn(i));
- writel_relaxed(config->seq_rst, drvdata->base + TRCSEQRSTEVR);
- writel_relaxed(config->seq_state, drvdata->base + TRCSEQSTR);
- writel_relaxed(config->ext_inp, drvdata->base + TRCEXTINSELR);
+ etm4x_relaxed_write32(csa, config->seq_ctrl[i], TRCSEQEVRn(i));
+ etm4x_relaxed_write32(csa, config->seq_rst, TRCSEQRSTEVR);
+ etm4x_relaxed_write32(csa, config->seq_state, TRCSEQSTR);
+ etm4x_relaxed_write32(csa, config->ext_inp, TRCEXTINSELR);
for (i = 0; i < drvdata->nr_cntr; i++) {
- writel_relaxed(config->cntrldvr[i],
- drvdata->base + TRCCNTRLDVRn(i));
- writel_relaxed(config->cntr_ctrl[i],
- drvdata->base + TRCCNTCTLRn(i));
- writel_relaxed(config->cntr_val[i],
- drvdata->base + TRCCNTVRn(i));
+ etm4x_relaxed_write32(csa, config->cntrldvr[i], TRCCNTRLDVRn(i));
+ etm4x_relaxed_write32(csa, config->cntr_ctrl[i], TRCCNTCTLRn(i));
+ etm4x_relaxed_write32(csa, config->cntr_val[i], TRCCNTVRn(i));
}
/*
@@ -165,54 +396,59 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
* such start at 2.
*/
for (i = 2; i < drvdata->nr_resource * 2; i++)
- writel_relaxed(config->res_ctrl[i],
- drvdata->base + TRCRSCTLRn(i));
+ etm4x_relaxed_write32(csa, config->res_ctrl[i], TRCRSCTLRn(i));
for (i = 0; i < drvdata->nr_ss_cmp; i++) {
/* always clear status bit on restart if using single-shot */
if (config->ss_ctrl[i] || config->ss_pe_cmp[i])
config->ss_status[i] &= ~BIT(31);
- writel_relaxed(config->ss_ctrl[i],
- drvdata->base + TRCSSCCRn(i));
- writel_relaxed(config->ss_status[i],
- drvdata->base + TRCSSCSRn(i));
- writel_relaxed(config->ss_pe_cmp[i],
- drvdata->base + TRCSSPCICRn(i));
+ etm4x_relaxed_write32(csa, config->ss_ctrl[i], TRCSSCCRn(i));
+ etm4x_relaxed_write32(csa, config->ss_status[i], TRCSSCSRn(i));
+ if (etm4x_sspcicrn_present(drvdata, i))
+ etm4x_relaxed_write32(csa, config->ss_pe_cmp[i], TRCSSPCICRn(i));
}
for (i = 0; i < drvdata->nr_addr_cmp; i++) {
- writeq_relaxed(config->addr_val[i],
- drvdata->base + TRCACVRn(i));
- writeq_relaxed(config->addr_acc[i],
- drvdata->base + TRCACATRn(i));
+ etm4x_relaxed_write64(csa, config->addr_val[i], TRCACVRn(i));
+ etm4x_relaxed_write64(csa, config->addr_acc[i], TRCACATRn(i));
}
for (i = 0; i < drvdata->numcidc; i++)
- writeq_relaxed(config->ctxid_pid[i],
- drvdata->base + TRCCIDCVRn(i));
- writel_relaxed(config->ctxid_mask0, drvdata->base + TRCCIDCCTLR0);
+ etm4x_relaxed_write64(csa, config->ctxid_pid[i], TRCCIDCVRn(i));
+ etm4x_relaxed_write32(csa, config->ctxid_mask0, TRCCIDCCTLR0);
if (drvdata->numcidc > 4)
- writel_relaxed(config->ctxid_mask1, drvdata->base + TRCCIDCCTLR1);
+ etm4x_relaxed_write32(csa, config->ctxid_mask1, TRCCIDCCTLR1);
for (i = 0; i < drvdata->numvmidc; i++)
- writeq_relaxed(config->vmid_val[i],
- drvdata->base + TRCVMIDCVRn(i));
- writel_relaxed(config->vmid_mask0, drvdata->base + TRCVMIDCCTLR0);
+ etm4x_relaxed_write64(csa, config->vmid_val[i], TRCVMIDCVRn(i));
+ etm4x_relaxed_write32(csa, config->vmid_mask0, TRCVMIDCCTLR0);
if (drvdata->numvmidc > 4)
- writel_relaxed(config->vmid_mask1, drvdata->base + TRCVMIDCCTLR1);
+ etm4x_relaxed_write32(csa, config->vmid_mask1, TRCVMIDCCTLR1);
if (!drvdata->skip_power_up) {
+ u32 trcpdcr = etm4x_relaxed_read32(csa, TRCPDCR);
+
/*
* Request to keep the trace unit powered and also
* emulation of powerdown
*/
- writel_relaxed(readl_relaxed(drvdata->base + TRCPDCR) |
- TRCPDCR_PU, drvdata->base + TRCPDCR);
+ etm4x_relaxed_write32(csa, trcpdcr | TRCPDCR_PU, TRCPDCR);
}
+ /*
+ * ETE mandates that the TRCRSR is written to before
+ * enabling it.
+ */
+ if (etm4x_is_ete(drvdata))
+ etm4x_relaxed_write32(csa, TRCRSR_TA, TRCRSR);
+
/* Enable the trace unit */
- writel_relaxed(1, drvdata->base + TRCPRGCTLR);
+ etm4x_relaxed_write32(csa, 1, TRCPRGCTLR);
+
+ /* Synchronize the register updates for sysreg access */
+ if (!csa->io_mem)
+ isb();
/* wait for TRCSTATR.IDLE to go back down to '0' */
- if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 0))
+ if (coresight_timeout(csa, TRCSTATR, TRCSTATR_IDLE_BIT, 0))
dev_err(etm_dev,
"timeout while waiting for Idle Trace Status\n");
@@ -224,7 +460,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
isb();
done:
- CS_LOCK(drvdata->base);
+ etm4_cs_lock(drvdata, csa);
dev_dbg(etm_dev, "cpu: %d enable smp call done: %d\n",
drvdata->cpu, rc);
@@ -383,6 +619,19 @@ static int etm4_parse_event_config(struct etmv4_drvdata *drvdata,
/* bit[6], Context ID tracing bit */
config->cfg |= BIT(ETM4_CFG_BIT_CTXTID);
+ /*
+ * If set bit ETM_OPT_CTXTID2 in perf config, this asks to trace VMID
+ * for recording CONTEXTIDR_EL2. Do not enable VMID tracing if the
+ * kernel is not running in EL2.
+ */
+ if (attr->config & BIT(ETM_OPT_CTXTID2)) {
+ if (!is_kernel_in_hyp_mode()) {
+ ret = -EINVAL;
+ goto out;
+ }
+ config->cfg |= BIT(ETM4_CFG_BIT_VMID) | BIT(ETM4_CFG_BIT_VMID_OPT);
+ }
+
/* return stack - enable if selected and supported */
if ((attr->config & BIT(ETM_OPT_RETSTK)) && drvdata->retstack)
/* bit[12], Return stack enable bit */
@@ -474,55 +723,71 @@ static int etm4_enable(struct coresight_device *csdev,
static void etm4_disable_hw(void *info)
{
u32 control;
+ u64 trfcr;
struct etmv4_drvdata *drvdata = info;
struct etmv4_config *config = &drvdata->config;
- struct device *etm_dev = &drvdata->csdev->dev;
+ struct coresight_device *csdev = drvdata->csdev;
+ struct device *etm_dev = &csdev->dev;
+ struct csdev_access *csa = &csdev->access;
int i;
- CS_UNLOCK(drvdata->base);
+ etm4_cs_unlock(drvdata, csa);
+ etm4_disable_arch_specific(drvdata);
if (!drvdata->skip_power_up) {
/* power can be removed from the trace unit now */
- control = readl_relaxed(drvdata->base + TRCPDCR);
+ control = etm4x_relaxed_read32(csa, TRCPDCR);
control &= ~TRCPDCR_PU;
- writel_relaxed(control, drvdata->base + TRCPDCR);
+ etm4x_relaxed_write32(csa, control, TRCPDCR);
}
- control = readl_relaxed(drvdata->base + TRCPRGCTLR);
+ control = etm4x_relaxed_read32(csa, TRCPRGCTLR);
/* EN, bit[0] Trace unit enable bit */
control &= ~0x1;
/*
+ * If the CPU supports v8.4 Trace filter Control,
+ * set the ETM to trace prohibited region.
+ */
+ if (drvdata->trfc) {
+ trfcr = read_sysreg_s(SYS_TRFCR_EL1);
+ write_sysreg_s(trfcr & ~(TRFCR_ELx_ExTRE | TRFCR_ELx_E0TRE),
+ SYS_TRFCR_EL1);
+ isb();
+ }
+ /*
* Make sure everything completes before disabling, as recommended
* by section 7.3.77 ("TRCVICTLR, ViewInst Main Control Register,
* SSTATUS") of ARM IHI 0064D
*/
dsb(sy);
isb();
- writel_relaxed(control, drvdata->base + TRCPRGCTLR);
+ /* Trace synchronization barrier, is a nop if not supported */
+ tsb_csync();
+ etm4x_relaxed_write32(csa, control, TRCPRGCTLR);
/* wait for TRCSTATR.PMSTABLE to go to '1' */
- if (coresight_timeout(drvdata->base, TRCSTATR,
- TRCSTATR_PMSTABLE_BIT, 1))
+ if (coresight_timeout(csa, TRCSTATR, TRCSTATR_PMSTABLE_BIT, 1))
dev_err(etm_dev,
"timeout while waiting for PM stable Trace Status\n");
+ if (drvdata->trfc)
+ write_sysreg_s(trfcr, SYS_TRFCR_EL1);
/* read the status of the single shot comparators */
for (i = 0; i < drvdata->nr_ss_cmp; i++) {
config->ss_status[i] =
- readl_relaxed(drvdata->base + TRCSSCSRn(i));
+ etm4x_relaxed_read32(csa, TRCSSCSRn(i));
}
/* read back the current counter values */
for (i = 0; i < drvdata->nr_cntr; i++) {
config->cntr_val[i] =
- readl_relaxed(drvdata->base + TRCCNTVRn(i));
+ etm4x_relaxed_read32(csa, TRCCNTVRn(i));
}
- coresight_disclaim_device_unlocked(drvdata->base);
-
- CS_LOCK(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
+ etm4_cs_lock(drvdata, csa);
dev_dbg(&drvdata->csdev->dev,
"cpu: %d disable smp call done\n", drvdata->cpu);
@@ -546,7 +811,7 @@ static int etm4_disable_perf(struct coresight_device *csdev,
* scheduled again. Configuration of the start/stop logic happens in
* function etm4_set_event_filters().
*/
- control = readl_relaxed(drvdata->base + TRCVICTLR);
+ control = etm4x_relaxed_read32(&csdev->access, TRCVICTLR);
/* TRCVICTLR::SSSTATUS, bit[9] */
filters->ssstatus = (control & BIT(9));
@@ -617,24 +882,151 @@ static const struct coresight_ops etm4_cs_ops = {
.source_ops = &etm4_source_ops,
};
+static inline bool cpu_supports_sysreg_trace(void)
+{
+ u64 dfr0 = read_sysreg_s(SYS_ID_AA64DFR0_EL1);
+
+ return ((dfr0 >> ID_AA64DFR0_TRACEVER_SHIFT) & 0xfUL) > 0;
+}
+
+static bool etm4_init_sysreg_access(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa)
+{
+ u32 devarch;
+
+ if (!cpu_supports_sysreg_trace())
+ return false;
+
+ /*
+ * ETMs implementing sysreg access must implement TRCDEVARCH.
+ */
+ devarch = read_etm4x_sysreg_const_offset(TRCDEVARCH);
+ switch (devarch & ETM_DEVARCH_ID_MASK) {
+ case ETM_DEVARCH_ETMv4x_ARCH:
+ *csa = (struct csdev_access) {
+ .io_mem = false,
+ .read = etm4x_sysreg_read,
+ .write = etm4x_sysreg_write,
+ };
+ break;
+ case ETM_DEVARCH_ETE_ARCH:
+ *csa = (struct csdev_access) {
+ .io_mem = false,
+ .read = ete_sysreg_read,
+ .write = ete_sysreg_write,
+ };
+ break;
+ default:
+ return false;
+ }
+
+ drvdata->arch = etm_devarch_to_arch(devarch);
+ return true;
+}
+
+static bool etm4_init_iomem_access(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa)
+{
+ u32 devarch = readl_relaxed(drvdata->base + TRCDEVARCH);
+ u32 idr1 = readl_relaxed(drvdata->base + TRCIDR1);
+
+ /*
+ * All ETMs must implement TRCDEVARCH to indicate that
+ * the component is an ETMv4. To support any broken
+ * implementations we fall back to TRCIDR1 check, which
+ * is not really reliable.
+ */
+ if ((devarch & ETM_DEVARCH_ID_MASK) == ETM_DEVARCH_ETMv4x_ARCH) {
+ drvdata->arch = etm_devarch_to_arch(devarch);
+ } else {
+ pr_warn("CPU%d: ETM4x incompatible TRCDEVARCH: %x, falling back to TRCIDR1\n",
+ smp_processor_id(), devarch);
+
+ if (ETM_TRCIDR1_ARCH_MAJOR(idr1) != ETM_TRCIDR1_ARCH_ETMv4)
+ return false;
+ drvdata->arch = etm_trcidr_to_arch(idr1);
+ }
+
+ *csa = CSDEV_ACCESS_IOMEM(drvdata->base);
+ return true;
+}
+
+static bool etm4_init_csdev_access(struct etmv4_drvdata *drvdata,
+ struct csdev_access *csa)
+{
+ /*
+ * Always choose the memory mapped io, if there is
+ * a memory map to prevent sysreg access on broken
+ * systems.
+ */
+ if (drvdata->base)
+ return etm4_init_iomem_access(drvdata, csa);
+
+ if (etm4_init_sysreg_access(drvdata, csa))
+ return true;
+
+ return false;
+}
+
+static void cpu_enable_tracing(struct etmv4_drvdata *drvdata)
+{
+ u64 dfr0 = read_sysreg(id_aa64dfr0_el1);
+ u64 trfcr;
+
+ if (!cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_TRACE_FILT_SHIFT))
+ return;
+
+ drvdata->trfc = true;
+ /*
+ * If the CPU supports v8.4 SelfHosted Tracing, enable
+ * tracing at the kernel EL and EL0, forcing to use the
+ * virtual time as the timestamp.
+ */
+ trfcr = (TRFCR_ELx_TS_VIRTUAL |
+ TRFCR_ELx_ExTRE |
+ TRFCR_ELx_E0TRE);
+
+ /* If we are running at EL2, allow tracing the CONTEXTIDR_EL2. */
+ if (is_kernel_in_hyp_mode())
+ trfcr |= TRFCR_EL2_CX;
+
+ write_sysreg_s(trfcr, SYS_TRFCR_EL1);
+}
+
static void etm4_init_arch_data(void *info)
{
u32 etmidr0;
- u32 etmidr1;
u32 etmidr2;
u32 etmidr3;
u32 etmidr4;
u32 etmidr5;
- struct etmv4_drvdata *drvdata = info;
+ struct etm4_init_arg *init_arg = info;
+ struct etmv4_drvdata *drvdata;
+ struct csdev_access *csa;
int i;
- /* Make sure all registers are accessible */
- etm4_os_unlock(drvdata);
+ drvdata = init_arg->drvdata;
+ csa = init_arg->csa;
- CS_UNLOCK(drvdata->base);
+ /*
+ * If we are unable to detect the access mechanism,
+ * or unable to detect the trace unit type, fail
+ * early.
+ */
+ if (!etm4_init_csdev_access(drvdata, csa))
+ return;
+
+ /* Detect the support for OS Lock before we actually use it */
+ etm_detect_os_lock(drvdata, csa);
+
+ /* Make sure all registers are accessible */
+ etm4_os_unlock_csa(drvdata, csa);
+ etm4_cs_unlock(drvdata, csa);
+
+ etm4_check_arch_features(drvdata, init_arg->pid);
/* find all capabilities of the tracing unit */
- etmidr0 = readl_relaxed(drvdata->base + TRCIDR0);
+ etmidr0 = etm4x_relaxed_read32(csa, TRCIDR0);
/* INSTP0, bits[2:1] P0 tracing support field */
if (BMVAL(etmidr0, 1, 1) && BMVAL(etmidr0, 2, 2))
@@ -673,17 +1065,8 @@ static void etm4_init_arch_data(void *info)
/* TSSIZE, bits[28:24] Global timestamp size field */
drvdata->ts_size = BMVAL(etmidr0, 24, 28);
- /* base architecture of trace unit */
- etmidr1 = readl_relaxed(drvdata->base + TRCIDR1);
- /*
- * TRCARCHMIN, bits[7:4] architecture the minor version number
- * TRCARCHMAJ, bits[11:8] architecture major versin number
- */
- drvdata->arch = BMVAL(etmidr1, 4, 11);
- drvdata->config.arch = drvdata->arch;
-
/* maximum size of resources */
- etmidr2 = readl_relaxed(drvdata->base + TRCIDR2);
+ etmidr2 = etm4x_relaxed_read32(csa, TRCIDR2);
/* CIDSIZE, bits[9:5] Indicates the Context ID size */
drvdata->ctxid_size = BMVAL(etmidr2, 5, 9);
/* VMIDSIZE, bits[14:10] Indicates the VMID size */
@@ -691,11 +1074,12 @@ static void etm4_init_arch_data(void *info)
/* CCSIZE, bits[28:25] size of the cycle counter in bits minus 12 */
drvdata->ccsize = BMVAL(etmidr2, 25, 28);
- etmidr3 = readl_relaxed(drvdata->base + TRCIDR3);
+ etmidr3 = etm4x_relaxed_read32(csa, TRCIDR3);
/* CCITMIN, bits[11:0] minimum threshold value that can be programmed */
drvdata->ccitmin = BMVAL(etmidr3, 0, 11);
/* EXLEVEL_S, bits[19:16] Secure state instruction tracing */
drvdata->s_ex_level = BMVAL(etmidr3, 16, 19);
+ drvdata->config.s_ex_level = drvdata->s_ex_level;
/* EXLEVEL_NS, bits[23:20] Non-secure state instruction tracing */
drvdata->ns_ex_level = BMVAL(etmidr3, 20, 23);
@@ -736,7 +1120,7 @@ static void etm4_init_arch_data(void *info)
drvdata->nooverflow = false;
/* number of resources trace unit supports */
- etmidr4 = readl_relaxed(drvdata->base + TRCIDR4);
+ etmidr4 = etm4x_relaxed_read32(csa, TRCIDR4);
/* NUMACPAIRS, bits[0:3] number of addr comparator pairs for tracing */
drvdata->nr_addr_cmp = BMVAL(etmidr4, 0, 3);
/* NUMPC, bits[15:12] number of PE comparator inputs for tracing */
@@ -752,7 +1136,7 @@ static void etm4_init_arch_data(void *info)
* Otherwise for values 0x1 and above the number is N + 1 as per v4.2.
*/
drvdata->nr_resource = BMVAL(etmidr4, 16, 19);
- if ((drvdata->arch < ETM4X_ARCH_4V3) || (drvdata->nr_resource > 0))
+ if ((drvdata->arch < ETM_ARCH_V4_3) || (drvdata->nr_resource > 0))
drvdata->nr_resource += 1;
/*
* NUMSSCC, bits[23:20] the number of single-shot
@@ -762,14 +1146,14 @@ static void etm4_init_arch_data(void *info)
drvdata->nr_ss_cmp = BMVAL(etmidr4, 20, 23);
for (i = 0; i < drvdata->nr_ss_cmp; i++) {
drvdata->config.ss_status[i] =
- readl_relaxed(drvdata->base + TRCSSCSRn(i));
+ etm4x_relaxed_read32(csa, TRCSSCSRn(i));
}
/* NUMCIDC, bits[27:24] number of Context ID comparators for tracing */
drvdata->numcidc = BMVAL(etmidr4, 24, 27);
/* NUMVMIDC, bits[31:28] number of VMID comparators for tracing */
drvdata->numvmidc = BMVAL(etmidr4, 28, 31);
- etmidr5 = readl_relaxed(drvdata->base + TRCIDR5);
+ etmidr5 = etm4x_relaxed_read32(csa, TRCIDR5);
/* NUMEXTIN, bits[8:0] number of external inputs implemented */
drvdata->nr_ext_inp = BMVAL(etmidr5, 0, 8);
/* TRACEIDSIZE, bits[21:16] indicates the trace ID width */
@@ -791,23 +1175,20 @@ static void etm4_init_arch_data(void *info)
drvdata->nrseqstate = BMVAL(etmidr5, 25, 27);
/* NUMCNTR, bits[30:28] number of counters available for tracing */
drvdata->nr_cntr = BMVAL(etmidr5, 28, 30);
- CS_LOCK(drvdata->base);
+ etm4_cs_lock(drvdata, csa);
+ cpu_enable_tracing(drvdata);
+}
+
+static inline u32 etm4_get_victlr_access_type(struct etmv4_config *config)
+{
+ return etm4_get_access_type(config) << TRCVICTLR_EXLEVEL_SHIFT;
}
/* Set ELx trace filter access in the TRCVICTLR register */
static void etm4_set_victlr_access(struct etmv4_config *config)
{
- u64 access_type;
-
- config->vinst_ctrl &= ~(ETM_EXLEVEL_S_VICTLR_MASK | ETM_EXLEVEL_NS_VICTLR_MASK);
-
- /*
- * TRCVICTLR::EXLEVEL_NS:EXLEVELS: Set kernel / user filtering
- * bits in vinst_ctrl, same bit pattern as TRCACATRn values returned by
- * etm4_get_access_type() but with a relative shift in this register.
- */
- access_type = etm4_get_access_type(config) << ETM_EXLEVEL_LSHIFT_TRCVICTLR;
- config->vinst_ctrl |= (u32)access_type;
+ config->vinst_ctrl &= ~TRCVICTLR_EXLEVEL_MASK;
+ config->vinst_ctrl |= etm4_get_victlr_access_type(config);
}
static void etm4_set_default_config(struct etmv4_config *config)
@@ -837,12 +1218,9 @@ static u64 etm4_get_ns_access_type(struct etmv4_config *config)
u64 access_type = 0;
/*
- * EXLEVEL_NS, bits[15:12]
- * The Exception levels are:
- * Bit[12] Exception level 0 - Application
- * Bit[13] Exception level 1 - OS
- * Bit[14] Exception level 2 - Hypervisor
- * Bit[15] Never implemented
+ * EXLEVEL_NS, for NonSecure Exception levels.
+ * The mask here is a generic value and must be
+ * shifted to the corresponding field for the registers
*/
if (!is_kernel_in_hyp_mode()) {
/* Stay away from hypervisor mode for non-VHE */
@@ -859,27 +1237,26 @@ static u64 etm4_get_ns_access_type(struct etmv4_config *config)
return access_type;
}
+/*
+ * Construct the exception level masks for a given config.
+ * This must be shifted to the corresponding register field
+ * for usage.
+ */
static u64 etm4_get_access_type(struct etmv4_config *config)
{
- u64 access_type = etm4_get_ns_access_type(config);
- u64 s_hyp = (config->arch & 0x0f) >= 0x4 ? ETM_EXLEVEL_S_HYP : 0;
+ /* All Secure exception levels are excluded from the trace */
+ return etm4_get_ns_access_type(config) | (u64)config->s_ex_level;
+}
- /*
- * EXLEVEL_S, bits[11:8], don't trace anything happening
- * in secure state.
- */
- access_type |= (ETM_EXLEVEL_S_APP |
- ETM_EXLEVEL_S_OS |
- s_hyp |
- ETM_EXLEVEL_S_MON);
-
- return access_type;
+static u64 etm4_get_comparator_access_type(struct etmv4_config *config)
+{
+ return etm4_get_access_type(config) << TRCACATR_EXLEVEL_SHIFT;
}
static void etm4_set_comparator_filter(struct etmv4_config *config,
u64 start, u64 stop, int comparator)
{
- u64 access_type = etm4_get_access_type(config);
+ u64 access_type = etm4_get_comparator_access_type(config);
/* First half of default address comparator */
config->addr_val[comparator] = start;
@@ -914,7 +1291,7 @@ static void etm4_set_start_stop_filter(struct etmv4_config *config,
enum etm_addr_type type)
{
int shift;
- u64 access_type = etm4_get_access_type(config);
+ u64 access_type = etm4_get_comparator_access_type(config);
/* Configure the comparator */
config->addr_val[comparator] = address;
@@ -1155,7 +1532,15 @@ static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
{
int i, ret = 0;
struct etmv4_save_state *state;
- struct device *etm_dev = &drvdata->csdev->dev;
+ struct coresight_device *csdev = drvdata->csdev;
+ struct csdev_access *csa;
+ struct device *etm_dev;
+
+ if (WARN_ON(!csdev))
+ return -ENODEV;
+
+ etm_dev = &csdev->dev;
+ csa = &csdev->access;
/*
* As recommended by 3.4.1 ("The procedure when powering down the PE")
@@ -1164,14 +1549,12 @@ static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
dsb(sy);
isb();
- CS_UNLOCK(drvdata->base);
-
+ etm4_cs_unlock(drvdata, csa);
/* Lock the OS lock to disable trace and external debugger access */
etm4_os_lock(drvdata);
/* wait for TRCSTATR.PMSTABLE to go up */
- if (coresight_timeout(drvdata->base, TRCSTATR,
- TRCSTATR_PMSTABLE_BIT, 1)) {
+ if (coresight_timeout(csa, TRCSTATR, TRCSTATR_PMSTABLE_BIT, 1)) {
dev_err(etm_dev,
"timeout while waiting for PM Stable Status\n");
etm4_os_unlock(drvdata);
@@ -1181,56 +1564,57 @@ static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
state = drvdata->save_state;
- state->trcprgctlr = readl(drvdata->base + TRCPRGCTLR);
+ state->trcprgctlr = etm4x_read32(csa, TRCPRGCTLR);
if (drvdata->nr_pe)
- state->trcprocselr = readl(drvdata->base + TRCPROCSELR);
- state->trcconfigr = readl(drvdata->base + TRCCONFIGR);
- state->trcauxctlr = readl(drvdata->base + TRCAUXCTLR);
- state->trceventctl0r = readl(drvdata->base + TRCEVENTCTL0R);
- state->trceventctl1r = readl(drvdata->base + TRCEVENTCTL1R);
+ state->trcprocselr = etm4x_read32(csa, TRCPROCSELR);
+ state->trcconfigr = etm4x_read32(csa, TRCCONFIGR);
+ state->trcauxctlr = etm4x_read32(csa, TRCAUXCTLR);
+ state->trceventctl0r = etm4x_read32(csa, TRCEVENTCTL0R);
+ state->trceventctl1r = etm4x_read32(csa, TRCEVENTCTL1R);
if (drvdata->stallctl)
- state->trcstallctlr = readl(drvdata->base + TRCSTALLCTLR);
- state->trctsctlr = readl(drvdata->base + TRCTSCTLR);
- state->trcsyncpr = readl(drvdata->base + TRCSYNCPR);
- state->trcccctlr = readl(drvdata->base + TRCCCCTLR);
- state->trcbbctlr = readl(drvdata->base + TRCBBCTLR);
- state->trctraceidr = readl(drvdata->base + TRCTRACEIDR);
- state->trcqctlr = readl(drvdata->base + TRCQCTLR);
+ state->trcstallctlr = etm4x_read32(csa, TRCSTALLCTLR);
+ state->trctsctlr = etm4x_read32(csa, TRCTSCTLR);
+ state->trcsyncpr = etm4x_read32(csa, TRCSYNCPR);
+ state->trcccctlr = etm4x_read32(csa, TRCCCCTLR);
+ state->trcbbctlr = etm4x_read32(csa, TRCBBCTLR);
+ state->trctraceidr = etm4x_read32(csa, TRCTRACEIDR);
+ state->trcqctlr = etm4x_read32(csa, TRCQCTLR);
- state->trcvictlr = readl(drvdata->base + TRCVICTLR);
- state->trcviiectlr = readl(drvdata->base + TRCVIIECTLR);
- state->trcvissctlr = readl(drvdata->base + TRCVISSCTLR);
+ state->trcvictlr = etm4x_read32(csa, TRCVICTLR);
+ state->trcviiectlr = etm4x_read32(csa, TRCVIIECTLR);
+ state->trcvissctlr = etm4x_read32(csa, TRCVISSCTLR);
if (drvdata->nr_pe_cmp)
- state->trcvipcssctlr = readl(drvdata->base + TRCVIPCSSCTLR);
- state->trcvdctlr = readl(drvdata->base + TRCVDCTLR);
- state->trcvdsacctlr = readl(drvdata->base + TRCVDSACCTLR);
- state->trcvdarcctlr = readl(drvdata->base + TRCVDARCCTLR);
+ state->trcvipcssctlr = etm4x_read32(csa, TRCVIPCSSCTLR);
+ state->trcvdctlr = etm4x_read32(csa, TRCVDCTLR);
+ state->trcvdsacctlr = etm4x_read32(csa, TRCVDSACCTLR);
+ state->trcvdarcctlr = etm4x_read32(csa, TRCVDARCCTLR);
for (i = 0; i < drvdata->nrseqstate - 1; i++)
- state->trcseqevr[i] = readl(drvdata->base + TRCSEQEVRn(i));
+ state->trcseqevr[i] = etm4x_read32(csa, TRCSEQEVRn(i));
- state->trcseqrstevr = readl(drvdata->base + TRCSEQRSTEVR);
- state->trcseqstr = readl(drvdata->base + TRCSEQSTR);
- state->trcextinselr = readl(drvdata->base + TRCEXTINSELR);
+ state->trcseqrstevr = etm4x_read32(csa, TRCSEQRSTEVR);
+ state->trcseqstr = etm4x_read32(csa, TRCSEQSTR);
+ state->trcextinselr = etm4x_read32(csa, TRCEXTINSELR);
for (i = 0; i < drvdata->nr_cntr; i++) {
- state->trccntrldvr[i] = readl(drvdata->base + TRCCNTRLDVRn(i));
- state->trccntctlr[i] = readl(drvdata->base + TRCCNTCTLRn(i));
- state->trccntvr[i] = readl(drvdata->base + TRCCNTVRn(i));
+ state->trccntrldvr[i] = etm4x_read32(csa, TRCCNTRLDVRn(i));
+ state->trccntctlr[i] = etm4x_read32(csa, TRCCNTCTLRn(i));
+ state->trccntvr[i] = etm4x_read32(csa, TRCCNTVRn(i));
}
for (i = 0; i < drvdata->nr_resource * 2; i++)
- state->trcrsctlr[i] = readl(drvdata->base + TRCRSCTLRn(i));
+ state->trcrsctlr[i] = etm4x_read32(csa, TRCRSCTLRn(i));
for (i = 0; i < drvdata->nr_ss_cmp; i++) {
- state->trcssccr[i] = readl(drvdata->base + TRCSSCCRn(i));
- state->trcsscsr[i] = readl(drvdata->base + TRCSSCSRn(i));
- state->trcsspcicr[i] = readl(drvdata->base + TRCSSPCICRn(i));
+ state->trcssccr[i] = etm4x_read32(csa, TRCSSCCRn(i));
+ state->trcsscsr[i] = etm4x_read32(csa, TRCSSCSRn(i));
+ if (etm4x_sspcicrn_present(drvdata, i))
+ state->trcsspcicr[i] = etm4x_read32(csa, TRCSSPCICRn(i));
}
for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
- state->trcacvr[i] = readq(drvdata->base + TRCACVRn(i));
- state->trcacatr[i] = readq(drvdata->base + TRCACATRn(i));
+ state->trcacvr[i] = etm4x_read64(csa, TRCACVRn(i));
+ state->trcacatr[i] = etm4x_read64(csa, TRCACATRn(i));
}
/*
@@ -1241,26 +1625,26 @@ static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
*/
for (i = 0; i < drvdata->numcidc; i++)
- state->trccidcvr[i] = readq(drvdata->base + TRCCIDCVRn(i));
+ state->trccidcvr[i] = etm4x_read64(csa, TRCCIDCVRn(i));
for (i = 0; i < drvdata->numvmidc; i++)
- state->trcvmidcvr[i] = readq(drvdata->base + TRCVMIDCVRn(i));
+ state->trcvmidcvr[i] = etm4x_read64(csa, TRCVMIDCVRn(i));
- state->trccidcctlr0 = readl(drvdata->base + TRCCIDCCTLR0);
+ state->trccidcctlr0 = etm4x_read32(csa, TRCCIDCCTLR0);
if (drvdata->numcidc > 4)
- state->trccidcctlr1 = readl(drvdata->base + TRCCIDCCTLR1);
+ state->trccidcctlr1 = etm4x_read32(csa, TRCCIDCCTLR1);
- state->trcvmidcctlr0 = readl(drvdata->base + TRCVMIDCCTLR0);
+ state->trcvmidcctlr0 = etm4x_read32(csa, TRCVMIDCCTLR0);
if (drvdata->numvmidc > 4)
- state->trcvmidcctlr1 = readl(drvdata->base + TRCVMIDCCTLR1);
+ state->trcvmidcctlr0 = etm4x_read32(csa, TRCVMIDCCTLR1);
- state->trcclaimset = readl(drvdata->base + TRCCLAIMCLR);
+ state->trcclaimset = etm4x_read32(csa, TRCCLAIMCLR);
if (!drvdata->skip_power_up)
- state->trcpdcr = readl(drvdata->base + TRCPDCR);
+ state->trcpdcr = etm4x_read32(csa, TRCPDCR);
/* wait for TRCSTATR.IDLE to go up */
- if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1)) {
+ if (coresight_timeout(csa, TRCSTATR, TRCSTATR_IDLE_BIT, 1)) {
dev_err(etm_dev,
"timeout while waiting for Idle Trace Status\n");
etm4_os_unlock(drvdata);
@@ -1276,10 +1660,10 @@ static int etm4_cpu_save(struct etmv4_drvdata *drvdata)
* despite requesting software to save/restore state.
*/
if (!drvdata->skip_power_up)
- writel_relaxed((state->trcpdcr & ~TRCPDCR_PU),
- drvdata->base + TRCPDCR);
+ etm4x_relaxed_write32(csa, (state->trcpdcr & ~TRCPDCR_PU),
+ TRCPDCR);
out:
- CS_LOCK(drvdata->base);
+ etm4_cs_lock(drvdata, csa);
return ret;
}
@@ -1287,93 +1671,83 @@ static void etm4_cpu_restore(struct etmv4_drvdata *drvdata)
{
int i;
struct etmv4_save_state *state = drvdata->save_state;
+ struct csdev_access tmp_csa = CSDEV_ACCESS_IOMEM(drvdata->base);
+ struct csdev_access *csa = &tmp_csa;
- CS_UNLOCK(drvdata->base);
+ etm4_cs_unlock(drvdata, csa);
+ etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET);
- writel_relaxed(state->trcclaimset, drvdata->base + TRCCLAIMSET);
-
- writel_relaxed(state->trcprgctlr, drvdata->base + TRCPRGCTLR);
+ etm4x_relaxed_write32(csa, state->trcprgctlr, TRCPRGCTLR);
if (drvdata->nr_pe)
- writel_relaxed(state->trcprocselr, drvdata->base + TRCPROCSELR);
- writel_relaxed(state->trcconfigr, drvdata->base + TRCCONFIGR);
- writel_relaxed(state->trcauxctlr, drvdata->base + TRCAUXCTLR);
- writel_relaxed(state->trceventctl0r, drvdata->base + TRCEVENTCTL0R);
- writel_relaxed(state->trceventctl1r, drvdata->base + TRCEVENTCTL1R);
+ etm4x_relaxed_write32(csa, state->trcprocselr, TRCPROCSELR);
+ etm4x_relaxed_write32(csa, state->trcconfigr, TRCCONFIGR);
+ etm4x_relaxed_write32(csa, state->trcauxctlr, TRCAUXCTLR);
+ etm4x_relaxed_write32(csa, state->trceventctl0r, TRCEVENTCTL0R);
+ etm4x_relaxed_write32(csa, state->trceventctl1r, TRCEVENTCTL1R);
if (drvdata->stallctl)
- writel_relaxed(state->trcstallctlr, drvdata->base + TRCSTALLCTLR);
- writel_relaxed(state->trctsctlr, drvdata->base + TRCTSCTLR);
- writel_relaxed(state->trcsyncpr, drvdata->base + TRCSYNCPR);
- writel_relaxed(state->trcccctlr, drvdata->base + TRCCCCTLR);
- writel_relaxed(state->trcbbctlr, drvdata->base + TRCBBCTLR);
- writel_relaxed(state->trctraceidr, drvdata->base + TRCTRACEIDR);
- writel_relaxed(state->trcqctlr, drvdata->base + TRCQCTLR);
+ etm4x_relaxed_write32(csa, state->trcstallctlr, TRCSTALLCTLR);
+ etm4x_relaxed_write32(csa, state->trctsctlr, TRCTSCTLR);
+ etm4x_relaxed_write32(csa, state->trcsyncpr, TRCSYNCPR);
+ etm4x_relaxed_write32(csa, state->trcccctlr, TRCCCCTLR);
+ etm4x_relaxed_write32(csa, state->trcbbctlr, TRCBBCTLR);
+ etm4x_relaxed_write32(csa, state->trctraceidr, TRCTRACEIDR);
+ etm4x_relaxed_write32(csa, state->trcqctlr, TRCQCTLR);
- writel_relaxed(state->trcvictlr, drvdata->base + TRCVICTLR);
- writel_relaxed(state->trcviiectlr, drvdata->base + TRCVIIECTLR);
- writel_relaxed(state->trcvissctlr, drvdata->base + TRCVISSCTLR);
+ etm4x_relaxed_write32(csa, state->trcvictlr, TRCVICTLR);
+ etm4x_relaxed_write32(csa, state->trcviiectlr, TRCVIIECTLR);
+ etm4x_relaxed_write32(csa, state->trcvissctlr, TRCVISSCTLR);
if (drvdata->nr_pe_cmp)
- writel_relaxed(state->trcvipcssctlr, drvdata->base + TRCVIPCSSCTLR);
- writel_relaxed(state->trcvdctlr, drvdata->base + TRCVDCTLR);
- writel_relaxed(state->trcvdsacctlr, drvdata->base + TRCVDSACCTLR);
- writel_relaxed(state->trcvdarcctlr, drvdata->base + TRCVDARCCTLR);
+ etm4x_relaxed_write32(csa, state->trcvipcssctlr, TRCVIPCSSCTLR);
+ etm4x_relaxed_write32(csa, state->trcvdctlr, TRCVDCTLR);
+ etm4x_relaxed_write32(csa, state->trcvdsacctlr, TRCVDSACCTLR);
+ etm4x_relaxed_write32(csa, state->trcvdarcctlr, TRCVDARCCTLR);
for (i = 0; i < drvdata->nrseqstate - 1; i++)
- writel_relaxed(state->trcseqevr[i],
- drvdata->base + TRCSEQEVRn(i));
+ etm4x_relaxed_write32(csa, state->trcseqevr[i], TRCSEQEVRn(i));
- writel_relaxed(state->trcseqrstevr, drvdata->base + TRCSEQRSTEVR);
- writel_relaxed(state->trcseqstr, drvdata->base + TRCSEQSTR);
- writel_relaxed(state->trcextinselr, drvdata->base + TRCEXTINSELR);
+ etm4x_relaxed_write32(csa, state->trcseqrstevr, TRCSEQRSTEVR);
+ etm4x_relaxed_write32(csa, state->trcseqstr, TRCSEQSTR);
+ etm4x_relaxed_write32(csa, state->trcextinselr, TRCEXTINSELR);
for (i = 0; i < drvdata->nr_cntr; i++) {
- writel_relaxed(state->trccntrldvr[i],
- drvdata->base + TRCCNTRLDVRn(i));
- writel_relaxed(state->trccntctlr[i],
- drvdata->base + TRCCNTCTLRn(i));
- writel_relaxed(state->trccntvr[i],
- drvdata->base + TRCCNTVRn(i));
+ etm4x_relaxed_write32(csa, state->trccntrldvr[i], TRCCNTRLDVRn(i));
+ etm4x_relaxed_write32(csa, state->trccntctlr[i], TRCCNTCTLRn(i));
+ etm4x_relaxed_write32(csa, state->trccntvr[i], TRCCNTVRn(i));
}
for (i = 0; i < drvdata->nr_resource * 2; i++)
- writel_relaxed(state->trcrsctlr[i],
- drvdata->base + TRCRSCTLRn(i));
+ etm4x_relaxed_write32(csa, state->trcrsctlr[i], TRCRSCTLRn(i));
for (i = 0; i < drvdata->nr_ss_cmp; i++) {
- writel_relaxed(state->trcssccr[i],
- drvdata->base + TRCSSCCRn(i));
- writel_relaxed(state->trcsscsr[i],
- drvdata->base + TRCSSCSRn(i));
- writel_relaxed(state->trcsspcicr[i],
- drvdata->base + TRCSSPCICRn(i));
+ etm4x_relaxed_write32(csa, state->trcssccr[i], TRCSSCCRn(i));
+ etm4x_relaxed_write32(csa, state->trcsscsr[i], TRCSSCSRn(i));
+ if (etm4x_sspcicrn_present(drvdata, i))
+ etm4x_relaxed_write32(csa, state->trcsspcicr[i], TRCSSPCICRn(i));
}
for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
- writeq_relaxed(state->trcacvr[i],
- drvdata->base + TRCACVRn(i));
- writeq_relaxed(state->trcacatr[i],
- drvdata->base + TRCACATRn(i));
+ etm4x_relaxed_write64(csa, state->trcacvr[i], TRCACVRn(i));
+ etm4x_relaxed_write64(csa, state->trcacatr[i], TRCACATRn(i));
}
for (i = 0; i < drvdata->numcidc; i++)
- writeq_relaxed(state->trccidcvr[i],
- drvdata->base + TRCCIDCVRn(i));
+ etm4x_relaxed_write64(csa, state->trccidcvr[i], TRCCIDCVRn(i));
for (i = 0; i < drvdata->numvmidc; i++)
- writeq_relaxed(state->trcvmidcvr[i],
- drvdata->base + TRCVMIDCVRn(i));
+ etm4x_relaxed_write64(csa, state->trcvmidcvr[i], TRCVMIDCVRn(i));
- writel_relaxed(state->trccidcctlr0, drvdata->base + TRCCIDCCTLR0);
+ etm4x_relaxed_write32(csa, state->trccidcctlr0, TRCCIDCCTLR0);
if (drvdata->numcidc > 4)
- writel_relaxed(state->trccidcctlr1, drvdata->base + TRCCIDCCTLR1);
+ etm4x_relaxed_write32(csa, state->trccidcctlr1, TRCCIDCCTLR1);
- writel_relaxed(state->trcvmidcctlr0, drvdata->base + TRCVMIDCCTLR0);
+ etm4x_relaxed_write32(csa, state->trcvmidcctlr0, TRCVMIDCCTLR0);
if (drvdata->numvmidc > 4)
- writel_relaxed(state->trcvmidcctlr1, drvdata->base + TRCVMIDCCTLR1);
+ etm4x_relaxed_write32(csa, state->trcvmidcctlr0, TRCVMIDCCTLR1);
- writel_relaxed(state->trcclaimset, drvdata->base + TRCCLAIMSET);
+ etm4x_relaxed_write32(csa, state->trcclaimset, TRCCLAIMSET);
if (!drvdata->skip_power_up)
- writel_relaxed(state->trcpdcr, drvdata->base + TRCPDCR);
+ etm4x_relaxed_write32(csa, state->trcpdcr, TRCPDCR);
drvdata->state_needs_restore = false;
@@ -1386,7 +1760,7 @@ static void etm4_cpu_restore(struct etmv4_drvdata *drvdata)
/* Unlock the OS lock to re-enable trace and external debug access */
etm4_os_unlock(drvdata);
- CS_LOCK(drvdata->base);
+ etm4_cs_lock(drvdata, csa);
}
static int etm4_cpu_pm_notify(struct notifier_block *nb, unsigned long cmd,
@@ -1473,15 +1847,15 @@ static void etm4_pm_clear(void)
}
}
-static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
+static int etm4_probe(struct device *dev, void __iomem *base, u32 etm_pid)
{
int ret;
- void __iomem *base;
- struct device *dev = &adev->dev;
struct coresight_platform_data *pdata = NULL;
struct etmv4_drvdata *drvdata;
- struct resource *res = &adev->res;
struct coresight_desc desc = { 0 };
+ struct etm4_init_arg init_arg = { 0 };
+ u8 major, minor;
+ char *type_name;
drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
@@ -1500,14 +1874,6 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
return -ENOMEM;
}
- if (fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))
- drvdata->skip_power_up = true;
-
- /* Validity for the resource is already checked by the AMBA core */
- base = devm_ioremap_resource(dev, res);
- if (IS_ERR(base))
- return PTR_ERR(base);
-
drvdata->base = base;
spin_lock_init(&drvdata->spinlock);
@@ -1516,17 +1882,38 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
if (drvdata->cpu < 0)
return drvdata->cpu;
- desc.name = devm_kasprintf(dev, GFP_KERNEL, "etm%d", drvdata->cpu);
- if (!desc.name)
- return -ENOMEM;
+ init_arg.drvdata = drvdata;
+ init_arg.csa = &desc.access;
+ init_arg.pid = etm_pid;
if (smp_call_function_single(drvdata->cpu,
- etm4_init_arch_data, drvdata, 1))
+ etm4_init_arch_data, &init_arg, 1))
dev_err(dev, "ETM arch init failed\n");
- if (etm4_arch_supported(drvdata->arch) == false)
+ if (!drvdata->arch)
return -EINVAL;
+ /* TRCPDCR is not accessible with system instructions. */
+ if (!desc.access.io_mem ||
+ fwnode_property_present(dev_fwnode(dev), "qcom,skip-power-up"))
+ drvdata->skip_power_up = true;
+
+ major = ETM_ARCH_MAJOR_VERSION(drvdata->arch);
+ minor = ETM_ARCH_MINOR_VERSION(drvdata->arch);
+
+ if (etm4x_is_ete(drvdata)) {
+ type_name = "ete";
+ /* ETE v1 has major version == 0b101. Adjust this for logging.*/
+ major -= 4;
+ } else {
+ type_name = "etm";
+ }
+
+ desc.name = devm_kasprintf(dev, GFP_KERNEL,
+ "%s%d", type_name, drvdata->cpu);
+ if (!desc.name)
+ return -ENOMEM;
+
etm4_init_trace_id(drvdata);
etm4_set_default(&drvdata->config);
@@ -1534,7 +1921,7 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
if (IS_ERR(pdata))
return PTR_ERR(pdata);
- adev->dev.platform_data = pdata;
+ dev->platform_data = pdata;
desc.type = CORESIGHT_DEV_TYPE_SOURCE;
desc.subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_PROC;
@@ -1554,9 +1941,8 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
etmdrvdata[drvdata->cpu] = drvdata;
- pm_runtime_put(&adev->dev);
- dev_info(&drvdata->csdev->dev, "CPU%d: ETM v%d.%d initialized\n",
- drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf);
+ dev_info(&drvdata->csdev->dev, "CPU%d: %s v%d.%d initialized\n",
+ drvdata->cpu, type_name, major, minor);
if (boot_enable) {
coresight_enable(drvdata->csdev);
@@ -1566,11 +1952,49 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
return 0;
}
+static int etm4_probe_amba(struct amba_device *adev, const struct amba_id *id)
+{
+ void __iomem *base;
+ struct device *dev = &adev->dev;
+ struct resource *res = &adev->res;
+ int ret;
+
+ /* Validity for the resource is already checked by the AMBA core */
+ base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ ret = etm4_probe(dev, base, id->id);
+ if (!ret)
+ pm_runtime_put(&adev->dev);
+
+ return ret;
+}
+
+static int etm4_probe_platform_dev(struct platform_device *pdev)
+{
+ int ret;
+
+ pm_runtime_get_noresume(&pdev->dev);
+ pm_runtime_set_active(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
+ /*
+ * System register based devices could match the
+ * HW by reading appropriate registers on the HW
+ * and thus we could skip the PID.
+ */
+ ret = etm4_probe(&pdev->dev, NULL, 0);
+
+ pm_runtime_put(&pdev->dev);
+ return ret;
+}
+
static struct amba_cs_uci_id uci_id_etm4[] = {
{
/* ETMv4 UCI data */
- .devarch = 0x47704a13,
- .devarch_mask = 0xfff0ffff,
+ .devarch = ETM_DEVARCH_ETMv4x_ARCH,
+ .devarch_mask = ETM_DEVARCH_ID_MASK,
.devtype = 0x00000013,
}
};
@@ -1582,15 +2006,12 @@ static void clear_etmdrvdata(void *info)
etmdrvdata[cpu] = NULL;
}
-static int etm4_remove(struct amba_device *adev)
+static int __exit etm4_remove_dev(struct etmv4_drvdata *drvdata)
{
- struct etmv4_drvdata *drvdata = dev_get_drvdata(&adev->dev);
-
etm_perf_symlink(drvdata->csdev, false);
-
/*
- * Taking hotplug lock here to avoid racing between etm4_remove and
- * CPU hotplug call backs.
+ * Taking hotplug lock here to avoid racing between etm4_remove_dev()
+ * and CPU hotplug call backs.
*/
cpus_read_lock();
/*
@@ -1609,12 +2030,33 @@ static int etm4_remove(struct amba_device *adev)
return 0;
}
+static void __exit etm4_remove_amba(struct amba_device *adev)
+{
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(&adev->dev);
+
+ if (drvdata)
+ etm4_remove_dev(drvdata);
+}
+
+static int __exit etm4_remove_platform_dev(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(&pdev->dev);
+
+ if (drvdata)
+ ret = etm4_remove_dev(drvdata);
+ pm_runtime_disable(&pdev->dev);
+ return ret;
+}
+
static const struct amba_id etm4_ids[] = {
CS_AMBA_ID(0x000bb95d), /* Cortex-A53 */
CS_AMBA_ID(0x000bb95e), /* Cortex-A57 */
CS_AMBA_ID(0x000bb95a), /* Cortex-A72 */
CS_AMBA_ID(0x000bb959), /* Cortex-A73 */
CS_AMBA_UCI_ID(0x000bb9da, uci_id_etm4),/* Cortex-A35 */
+ CS_AMBA_UCI_ID(0x000bbd05, uci_id_etm4),/* Cortex-A55 */
+ CS_AMBA_UCI_ID(0x000bbd0a, uci_id_etm4),/* Cortex-A75 */
CS_AMBA_UCI_ID(0x000bbd0c, uci_id_etm4),/* Neoverse N1 */
CS_AMBA_UCI_ID(0x000f0205, uci_id_etm4),/* Qualcomm Kryo */
CS_AMBA_UCI_ID(0x000f0211, uci_id_etm4),/* Qualcomm Kryo */
@@ -1630,17 +2072,33 @@ static const struct amba_id etm4_ids[] = {
MODULE_DEVICE_TABLE(amba, etm4_ids);
-static struct amba_driver etm4x_driver = {
+static struct amba_driver etm4x_amba_driver = {
.drv = {
.name = "coresight-etm4x",
.owner = THIS_MODULE,
.suppress_bind_attrs = true,
},
- .probe = etm4_probe,
- .remove = etm4_remove,
+ .probe = etm4_probe_amba,
+ .remove = etm4_remove_amba,
.id_table = etm4_ids,
};
+static const struct of_device_id etm4_sysreg_match[] = {
+ { .compatible = "arm,coresight-etm4x-sysreg" },
+ { .compatible = "arm,embedded-trace-extension" },
+ {}
+};
+
+static struct platform_driver etm4_platform_driver = {
+ .probe = etm4_probe_platform_dev,
+ .remove = etm4_remove_platform_dev,
+ .driver = {
+ .name = "coresight-etm4x",
+ .of_match_table = etm4_sysreg_match,
+ .suppress_bind_attrs = true,
+ },
+};
+
static int __init etm4x_init(void)
{
int ret;
@@ -1651,18 +2109,28 @@ static int __init etm4x_init(void)
if (ret)
return ret;
- ret = amba_driver_register(&etm4x_driver);
+ ret = amba_driver_register(&etm4x_amba_driver);
if (ret) {
- pr_err("Error registering etm4x driver\n");
- etm4_pm_clear();
+ pr_err("Error registering etm4x AMBA driver\n");
+ goto clear_pm;
}
+ ret = platform_driver_register(&etm4_platform_driver);
+ if (!ret)
+ return 0;
+
+ pr_err("Error registering etm4x platform driver\n");
+ amba_driver_unregister(&etm4x_amba_driver);
+
+clear_pm:
+ etm4_pm_clear();
return ret;
}
static void __exit etm4x_exit(void)
{
- amba_driver_unregister(&etm4x_driver);
+ amba_driver_unregister(&etm4x_amba_driver);
+ platform_driver_unregister(&etm4_platform_driver);
etm4_pm_clear();
}
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index 4682f26..007bad9 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
@@ -743,7 +743,7 @@ static ssize_t s_exlevel_vinst_show(struct device *dev,
struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
struct etmv4_config *config = &drvdata->config;
- val = (config->vinst_ctrl & ETM_EXLEVEL_S_VICTLR_MASK) >> 16;
+ val = (config->vinst_ctrl & TRCVICTLR_EXLEVEL_S_MASK) >> TRCVICTLR_EXLEVEL_S_SHIFT;
return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
}
@@ -760,10 +760,10 @@ static ssize_t s_exlevel_vinst_store(struct device *dev,
spin_lock(&drvdata->spinlock);
/* clear all EXLEVEL_S bits */
- config->vinst_ctrl &= ~(ETM_EXLEVEL_S_VICTLR_MASK);
+ config->vinst_ctrl &= ~(TRCVICTLR_EXLEVEL_S_MASK);
/* enable instruction tracing for corresponding exception level */
val &= drvdata->s_ex_level;
- config->vinst_ctrl |= (val << 16);
+ config->vinst_ctrl |= (val << TRCVICTLR_EXLEVEL_S_SHIFT);
spin_unlock(&drvdata->spinlock);
return size;
}
@@ -778,7 +778,7 @@ static ssize_t ns_exlevel_vinst_show(struct device *dev,
struct etmv4_config *config = &drvdata->config;
/* EXLEVEL_NS, bits[23:20] */
- val = (config->vinst_ctrl & ETM_EXLEVEL_NS_VICTLR_MASK) >> 20;
+ val = (config->vinst_ctrl & TRCVICTLR_EXLEVEL_NS_MASK) >> TRCVICTLR_EXLEVEL_NS_SHIFT;
return scnprintf(buf, PAGE_SIZE, "%#lx\n", val);
}
@@ -795,10 +795,10 @@ static ssize_t ns_exlevel_vinst_store(struct device *dev,
spin_lock(&drvdata->spinlock);
/* clear EXLEVEL_NS bits */
- config->vinst_ctrl &= ~(ETM_EXLEVEL_NS_VICTLR_MASK);
+ config->vinst_ctrl &= ~(TRCVICTLR_EXLEVEL_NS_MASK);
/* enable instruction tracing for corresponding exception level */
val &= drvdata->ns_ex_level;
- config->vinst_ctrl |= (val << 20);
+ config->vinst_ctrl |= (val << TRCVICTLR_EXLEVEL_NS_SHIFT);
spin_unlock(&drvdata->spinlock);
return size;
}
@@ -2319,7 +2319,8 @@ static struct attribute *coresight_etmv4_attrs[] = {
};
struct etmv4_reg {
- void __iomem *addr;
+ struct coresight_device *csdev;
+ u32 offset;
u32 data;
};
@@ -2327,15 +2328,16 @@ static void do_smp_cross_read(void *data)
{
struct etmv4_reg *reg = data;
- reg->data = readl_relaxed(reg->addr);
+ reg->data = etm4x_relaxed_read32(®->csdev->access, reg->offset);
}
-static u32 etmv4_cross_read(const struct device *dev, u32 offset)
+static u32 etmv4_cross_read(const struct etmv4_drvdata *drvdata, u32 offset)
{
- struct etmv4_drvdata *drvdata = dev_get_drvdata(dev);
struct etmv4_reg reg;
- reg.addr = drvdata->base + offset;
+ reg.offset = offset;
+ reg.csdev = drvdata->csdev;
+
/*
* smp cross call ensures the CPU will be powered up before
* accessing the ETMv4 trace core registers
@@ -2344,72 +2346,133 @@ static u32 etmv4_cross_read(const struct device *dev, u32 offset)
return reg.data;
}
-#define coresight_etm4x_reg(name, offset) \
- coresight_simple_reg32(struct etmv4_drvdata, name, offset)
+static inline u32 coresight_etm4x_attr_to_offset(struct device_attribute *attr)
+{
+ struct dev_ext_attribute *eattr;
-#define coresight_etm4x_cross_read(name, offset) \
- coresight_simple_func(struct etmv4_drvdata, etmv4_cross_read, \
- name, offset)
+ eattr = container_of(attr, struct dev_ext_attribute, attr);
+ return (u32)(unsigned long)eattr->var;
+}
-coresight_etm4x_reg(trcpdcr, TRCPDCR);
-coresight_etm4x_reg(trcpdsr, TRCPDSR);
-coresight_etm4x_reg(trclsr, TRCLSR);
-coresight_etm4x_reg(trcauthstatus, TRCAUTHSTATUS);
-coresight_etm4x_reg(trcdevid, TRCDEVID);
-coresight_etm4x_reg(trcdevtype, TRCDEVTYPE);
-coresight_etm4x_reg(trcpidr0, TRCPIDR0);
-coresight_etm4x_reg(trcpidr1, TRCPIDR1);
-coresight_etm4x_reg(trcpidr2, TRCPIDR2);
-coresight_etm4x_reg(trcpidr3, TRCPIDR3);
-coresight_etm4x_cross_read(trcoslsr, TRCOSLSR);
-coresight_etm4x_cross_read(trcconfig, TRCCONFIGR);
-coresight_etm4x_cross_read(trctraceid, TRCTRACEIDR);
+static ssize_t coresight_etm4x_reg_show(struct device *dev,
+ struct device_attribute *d_attr,
+ char *buf)
+{
+ u32 val, offset;
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ offset = coresight_etm4x_attr_to_offset(d_attr);
+
+ pm_runtime_get_sync(dev->parent);
+ val = etmv4_cross_read(drvdata, offset);
+ pm_runtime_put_sync(dev->parent);
+
+ return scnprintf(buf, PAGE_SIZE, "0x%x\n", val);
+}
+
+static inline bool
+etm4x_register_implemented(struct etmv4_drvdata *drvdata, u32 offset)
+{
+ switch (offset) {
+ ETM_COMMON_SYSREG_LIST_CASES
+ /*
+ * Common registers to ETE & ETM4x accessible via system
+ * instructions are always implemented.
+ */
+ return true;
+
+ ETM4x_ONLY_SYSREG_LIST_CASES
+ /*
+ * We only support etm4x and ete. So if the device is not
+ * ETE, it must be ETMv4x.
+ */
+ return !etm4x_is_ete(drvdata);
+
+ ETM4x_MMAP_LIST_CASES
+ /*
+ * Registers accessible only via memory-mapped registers
+ * must not be accessed via system instructions.
+ * We cannot access the drvdata->csdev here, as this
+ * function is called during the device creation, via
+ * coresight_register() and the csdev is not initialized
+ * until that is done. So rely on the drvdata->base to
+ * detect if we have a memory mapped access.
+ * Also ETE doesn't implement memory mapped access, thus
+ * it is sufficient to check that we are using mmio.
+ */
+ return !!drvdata->base;
+
+ ETE_ONLY_SYSREG_LIST_CASES
+ return etm4x_is_ete(drvdata);
+ }
+
+ return false;
+}
+
+/*
+ * Hide the ETM4x registers that may not be available on the
+ * hardware.
+ * There are certain management registers unavailable via system
+ * instructions. Make those sysfs attributes hidden on such
+ * systems.
+ */
+static umode_t
+coresight_etm4x_attr_reg_implemented(struct kobject *kobj,
+ struct attribute *attr, int unused)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
+ struct device_attribute *d_attr;
+ u32 offset;
+
+ d_attr = container_of(attr, struct device_attribute, attr);
+ offset = coresight_etm4x_attr_to_offset(d_attr);
+
+ if (etm4x_register_implemented(drvdata, offset))
+ return attr->mode;
+ return 0;
+}
+
+#define coresight_etm4x_reg(name, offset) \
+ &((struct dev_ext_attribute[]) { \
+ { \
+ __ATTR(name, 0444, coresight_etm4x_reg_show, NULL), \
+ (void *)(unsigned long)offset \
+ } \
+ })[0].attr.attr
static struct attribute *coresight_etmv4_mgmt_attrs[] = {
- &dev_attr_trcoslsr.attr,
- &dev_attr_trcpdcr.attr,
- &dev_attr_trcpdsr.attr,
- &dev_attr_trclsr.attr,
- &dev_attr_trcconfig.attr,
- &dev_attr_trctraceid.attr,
- &dev_attr_trcauthstatus.attr,
- &dev_attr_trcdevid.attr,
- &dev_attr_trcdevtype.attr,
- &dev_attr_trcpidr0.attr,
- &dev_attr_trcpidr1.attr,
- &dev_attr_trcpidr2.attr,
- &dev_attr_trcpidr3.attr,
+ coresight_etm4x_reg(trcpdcr, TRCPDCR),
+ coresight_etm4x_reg(trcpdsr, TRCPDSR),
+ coresight_etm4x_reg(trclsr, TRCLSR),
+ coresight_etm4x_reg(trcauthstatus, TRCAUTHSTATUS),
+ coresight_etm4x_reg(trcdevid, TRCDEVID),
+ coresight_etm4x_reg(trcdevtype, TRCDEVTYPE),
+ coresight_etm4x_reg(trcpidr0, TRCPIDR0),
+ coresight_etm4x_reg(trcpidr1, TRCPIDR1),
+ coresight_etm4x_reg(trcpidr2, TRCPIDR2),
+ coresight_etm4x_reg(trcpidr3, TRCPIDR3),
+ coresight_etm4x_reg(trcoslsr, TRCOSLSR),
+ coresight_etm4x_reg(trcconfig, TRCCONFIGR),
+ coresight_etm4x_reg(trctraceid, TRCTRACEIDR),
+ coresight_etm4x_reg(trcdevarch, TRCDEVARCH),
NULL,
};
-coresight_etm4x_cross_read(trcidr0, TRCIDR0);
-coresight_etm4x_cross_read(trcidr1, TRCIDR1);
-coresight_etm4x_cross_read(trcidr2, TRCIDR2);
-coresight_etm4x_cross_read(trcidr3, TRCIDR3);
-coresight_etm4x_cross_read(trcidr4, TRCIDR4);
-coresight_etm4x_cross_read(trcidr5, TRCIDR5);
-/* trcidr[6,7] are reserved */
-coresight_etm4x_cross_read(trcidr8, TRCIDR8);
-coresight_etm4x_cross_read(trcidr9, TRCIDR9);
-coresight_etm4x_cross_read(trcidr10, TRCIDR10);
-coresight_etm4x_cross_read(trcidr11, TRCIDR11);
-coresight_etm4x_cross_read(trcidr12, TRCIDR12);
-coresight_etm4x_cross_read(trcidr13, TRCIDR13);
-
static struct attribute *coresight_etmv4_trcidr_attrs[] = {
- &dev_attr_trcidr0.attr,
- &dev_attr_trcidr1.attr,
- &dev_attr_trcidr2.attr,
- &dev_attr_trcidr3.attr,
- &dev_attr_trcidr4.attr,
- &dev_attr_trcidr5.attr,
+ coresight_etm4x_reg(trcidr0, TRCIDR0),
+ coresight_etm4x_reg(trcidr1, TRCIDR1),
+ coresight_etm4x_reg(trcidr2, TRCIDR2),
+ coresight_etm4x_reg(trcidr3, TRCIDR3),
+ coresight_etm4x_reg(trcidr4, TRCIDR4),
+ coresight_etm4x_reg(trcidr5, TRCIDR5),
/* trcidr[6,7] are reserved */
- &dev_attr_trcidr8.attr,
- &dev_attr_trcidr9.attr,
- &dev_attr_trcidr10.attr,
- &dev_attr_trcidr11.attr,
- &dev_attr_trcidr12.attr,
- &dev_attr_trcidr13.attr,
+ coresight_etm4x_reg(trcidr8, TRCIDR8),
+ coresight_etm4x_reg(trcidr9, TRCIDR9),
+ coresight_etm4x_reg(trcidr10, TRCIDR10),
+ coresight_etm4x_reg(trcidr11, TRCIDR11),
+ coresight_etm4x_reg(trcidr12, TRCIDR12),
+ coresight_etm4x_reg(trcidr13, TRCIDR13),
NULL,
};
@@ -2418,6 +2481,7 @@ static const struct attribute_group coresight_etmv4_group = {
};
static const struct attribute_group coresight_etmv4_mgmt_group = {
+ .is_visible = coresight_etm4x_attr_reg_implemented,
.attrs = coresight_etmv4_mgmt_attrs,
.name = "mgmt",
};
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index eefc737..e5b79bd 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -8,6 +8,7 @@
#include <asm/local.h>
#include <linux/spinlock.h>
+#include <linux/types.h>
#include "coresight-priv.h"
/*
@@ -28,6 +29,7 @@
#define TRCAUXCTLR 0x018
#define TRCEVENTCTL0R 0x020
#define TRCEVENTCTL1R 0x024
+#define TRCRSR 0x028
#define TRCSTALLCTLR 0x02C
#define TRCTSCTLR 0x030
#define TRCSYNCPR 0x034
@@ -44,13 +46,14 @@
#define TRCVDSACCTLR 0x0A4
#define TRCVDARCCTLR 0x0A8
/* Derived resources registers */
-#define TRCSEQEVRn(n) (0x100 + (n * 4))
+#define TRCSEQEVRn(n) (0x100 + (n * 4)) /* n = 0-2 */
#define TRCSEQRSTEVR 0x118
#define TRCSEQSTR 0x11C
#define TRCEXTINSELR 0x120
-#define TRCCNTRLDVRn(n) (0x140 + (n * 4))
-#define TRCCNTCTLRn(n) (0x150 + (n * 4))
-#define TRCCNTVRn(n) (0x160 + (n * 4))
+#define TRCEXTINSELRn(n) (0x120 + (n * 4)) /* n = 0-3 */
+#define TRCCNTRLDVRn(n) (0x140 + (n * 4)) /* n = 0-3 */
+#define TRCCNTCTLRn(n) (0x150 + (n * 4)) /* n = 0-3 */
+#define TRCCNTVRn(n) (0x160 + (n * 4)) /* n = 0-3 */
/* ID registers */
#define TRCIDR8 0x180
#define TRCIDR9 0x184
@@ -59,7 +62,7 @@
#define TRCIDR12 0x190
#define TRCIDR13 0x194
#define TRCIMSPEC0 0x1C0
-#define TRCIMSPECn(n) (0x1C0 + (n * 4))
+#define TRCIMSPECn(n) (0x1C0 + (n * 4)) /* n = 1-7 */
#define TRCIDR0 0x1E0
#define TRCIDR1 0x1E4
#define TRCIDR2 0x1E8
@@ -68,9 +71,12 @@
#define TRCIDR5 0x1F4
#define TRCIDR6 0x1F8
#define TRCIDR7 0x1FC
-/* Resource selection registers */
+/*
+ * Resource selection registers, n = 2-31.
+ * First pair (regs 0, 1) is always present and is reserved.
+ */
#define TRCRSCTLRn(n) (0x200 + (n * 4))
-/* Single-shot comparator registers */
+/* Single-shot comparator registers, n = 0-7 */
#define TRCSSCCRn(n) (0x280 + (n * 4))
#define TRCSSCSRn(n) (0x2A0 + (n * 4))
#define TRCSSPCICRn(n) (0x2C0 + (n * 4))
@@ -80,11 +86,13 @@
#define TRCPDCR 0x310
#define TRCPDSR 0x314
/* Trace registers (0x318-0xEFC) */
-/* Comparator registers */
+/* Address Comparator registers n = 0-15 */
#define TRCACVRn(n) (0x400 + (n * 8))
#define TRCACATRn(n) (0x480 + (n * 8))
+/* Data Value Comparator Value registers, n = 0-7 */
#define TRCDVCVRn(n) (0x500 + (n * 16))
#define TRCDVCMRn(n) (0x580 + (n * 16))
+/* ContextID/Virtual ContextID comparators, n = 0-7 */
#define TRCCIDCVRn(n) (0x600 + (n * 8))
#define TRCVMIDCVRn(n) (0x640 + (n * 8))
#define TRCCIDCCTLR0 0x680
@@ -120,6 +128,368 @@
#define TRCCIDR2 0xFF8
#define TRCCIDR3 0xFFC
+#define TRCRSR_TA BIT(12)
+
+/*
+ * System instructions to access ETM registers.
+ * See ETMv4.4 spec ARM IHI0064F section 4.3.6 System instructions
+ */
+#define ETM4x_OFFSET_TO_REG(x) ((x) >> 2)
+
+#define ETM4x_CRn(n) (((n) >> 7) & 0x7)
+#define ETM4x_Op2(n) (((n) >> 4) & 0x7)
+#define ETM4x_CRm(n) ((n) & 0xf)
+
+#include <asm/sysreg.h>
+#define ETM4x_REG_NUM_TO_SYSREG(n) \
+ sys_reg(2, 1, ETM4x_CRn(n), ETM4x_CRm(n), ETM4x_Op2(n))
+
+#define READ_ETM4x_REG(reg) \
+ read_sysreg_s(ETM4x_REG_NUM_TO_SYSREG((reg)))
+#define WRITE_ETM4x_REG(val, reg) \
+ write_sysreg_s(val, ETM4x_REG_NUM_TO_SYSREG((reg)))
+
+#define read_etm4x_sysreg_const_offset(offset) \
+ READ_ETM4x_REG(ETM4x_OFFSET_TO_REG(offset))
+
+#define write_etm4x_sysreg_const_offset(val, offset) \
+ WRITE_ETM4x_REG(val, ETM4x_OFFSET_TO_REG(offset))
+
+#define CASE_READ(res, x) \
+ case (x): { (res) = read_etm4x_sysreg_const_offset((x)); break; }
+
+#define CASE_WRITE(val, x) \
+ case (x): { write_etm4x_sysreg_const_offset((val), (x)); break; }
+
+#define CASE_NOP(__unused, x) \
+ case (x): /* fall through */
+
+#define ETE_ONLY_SYSREG_LIST(op, val) \
+ CASE_##op((val), TRCRSR) \
+ CASE_##op((val), TRCEXTINSELRn(1)) \
+ CASE_##op((val), TRCEXTINSELRn(2)) \
+ CASE_##op((val), TRCEXTINSELRn(3))
+
+/* List of registers accessible via System instructions */
+#define ETM4x_ONLY_SYSREG_LIST(op, val) \
+ CASE_##op((val), TRCPROCSELR) \
+ CASE_##op((val), TRCVDCTLR) \
+ CASE_##op((val), TRCVDSACCTLR) \
+ CASE_##op((val), TRCVDARCCTLR) \
+ CASE_##op((val), TRCOSLAR)
+
+#define ETM_COMMON_SYSREG_LIST(op, val) \
+ CASE_##op((val), TRCPRGCTLR) \
+ CASE_##op((val), TRCSTATR) \
+ CASE_##op((val), TRCCONFIGR) \
+ CASE_##op((val), TRCAUXCTLR) \
+ CASE_##op((val), TRCEVENTCTL0R) \
+ CASE_##op((val), TRCEVENTCTL1R) \
+ CASE_##op((val), TRCSTALLCTLR) \
+ CASE_##op((val), TRCTSCTLR) \
+ CASE_##op((val), TRCSYNCPR) \
+ CASE_##op((val), TRCCCCTLR) \
+ CASE_##op((val), TRCBBCTLR) \
+ CASE_##op((val), TRCTRACEIDR) \
+ CASE_##op((val), TRCQCTLR) \
+ CASE_##op((val), TRCVICTLR) \
+ CASE_##op((val), TRCVIIECTLR) \
+ CASE_##op((val), TRCVISSCTLR) \
+ CASE_##op((val), TRCVIPCSSCTLR) \
+ CASE_##op((val), TRCSEQEVRn(0)) \
+ CASE_##op((val), TRCSEQEVRn(1)) \
+ CASE_##op((val), TRCSEQEVRn(2)) \
+ CASE_##op((val), TRCSEQRSTEVR) \
+ CASE_##op((val), TRCSEQSTR) \
+ CASE_##op((val), TRCEXTINSELR) \
+ CASE_##op((val), TRCCNTRLDVRn(0)) \
+ CASE_##op((val), TRCCNTRLDVRn(1)) \
+ CASE_##op((val), TRCCNTRLDVRn(2)) \
+ CASE_##op((val), TRCCNTRLDVRn(3)) \
+ CASE_##op((val), TRCCNTCTLRn(0)) \
+ CASE_##op((val), TRCCNTCTLRn(1)) \
+ CASE_##op((val), TRCCNTCTLRn(2)) \
+ CASE_##op((val), TRCCNTCTLRn(3)) \
+ CASE_##op((val), TRCCNTVRn(0)) \
+ CASE_##op((val), TRCCNTVRn(1)) \
+ CASE_##op((val), TRCCNTVRn(2)) \
+ CASE_##op((val), TRCCNTVRn(3)) \
+ CASE_##op((val), TRCIDR8) \
+ CASE_##op((val), TRCIDR9) \
+ CASE_##op((val), TRCIDR10) \
+ CASE_##op((val), TRCIDR11) \
+ CASE_##op((val), TRCIDR12) \
+ CASE_##op((val), TRCIDR13) \
+ CASE_##op((val), TRCIMSPECn(0)) \
+ CASE_##op((val), TRCIMSPECn(1)) \
+ CASE_##op((val), TRCIMSPECn(2)) \
+ CASE_##op((val), TRCIMSPECn(3)) \
+ CASE_##op((val), TRCIMSPECn(4)) \
+ CASE_##op((val), TRCIMSPECn(5)) \
+ CASE_##op((val), TRCIMSPECn(6)) \
+ CASE_##op((val), TRCIMSPECn(7)) \
+ CASE_##op((val), TRCIDR0) \
+ CASE_##op((val), TRCIDR1) \
+ CASE_##op((val), TRCIDR2) \
+ CASE_##op((val), TRCIDR3) \
+ CASE_##op((val), TRCIDR4) \
+ CASE_##op((val), TRCIDR5) \
+ CASE_##op((val), TRCIDR6) \
+ CASE_##op((val), TRCIDR7) \
+ CASE_##op((val), TRCRSCTLRn(2)) \
+ CASE_##op((val), TRCRSCTLRn(3)) \
+ CASE_##op((val), TRCRSCTLRn(4)) \
+ CASE_##op((val), TRCRSCTLRn(5)) \
+ CASE_##op((val), TRCRSCTLRn(6)) \
+ CASE_##op((val), TRCRSCTLRn(7)) \
+ CASE_##op((val), TRCRSCTLRn(8)) \
+ CASE_##op((val), TRCRSCTLRn(9)) \
+ CASE_##op((val), TRCRSCTLRn(10)) \
+ CASE_##op((val), TRCRSCTLRn(11)) \
+ CASE_##op((val), TRCRSCTLRn(12)) \
+ CASE_##op((val), TRCRSCTLRn(13)) \
+ CASE_##op((val), TRCRSCTLRn(14)) \
+ CASE_##op((val), TRCRSCTLRn(15)) \
+ CASE_##op((val), TRCRSCTLRn(16)) \
+ CASE_##op((val), TRCRSCTLRn(17)) \
+ CASE_##op((val), TRCRSCTLRn(18)) \
+ CASE_##op((val), TRCRSCTLRn(19)) \
+ CASE_##op((val), TRCRSCTLRn(20)) \
+ CASE_##op((val), TRCRSCTLRn(21)) \
+ CASE_##op((val), TRCRSCTLRn(22)) \
+ CASE_##op((val), TRCRSCTLRn(23)) \
+ CASE_##op((val), TRCRSCTLRn(24)) \
+ CASE_##op((val), TRCRSCTLRn(25)) \
+ CASE_##op((val), TRCRSCTLRn(26)) \
+ CASE_##op((val), TRCRSCTLRn(27)) \
+ CASE_##op((val), TRCRSCTLRn(28)) \
+ CASE_##op((val), TRCRSCTLRn(29)) \
+ CASE_##op((val), TRCRSCTLRn(30)) \
+ CASE_##op((val), TRCRSCTLRn(31)) \
+ CASE_##op((val), TRCSSCCRn(0)) \
+ CASE_##op((val), TRCSSCCRn(1)) \
+ CASE_##op((val), TRCSSCCRn(2)) \
+ CASE_##op((val), TRCSSCCRn(3)) \
+ CASE_##op((val), TRCSSCCRn(4)) \
+ CASE_##op((val), TRCSSCCRn(5)) \
+ CASE_##op((val), TRCSSCCRn(6)) \
+ CASE_##op((val), TRCSSCCRn(7)) \
+ CASE_##op((val), TRCSSCSRn(0)) \
+ CASE_##op((val), TRCSSCSRn(1)) \
+ CASE_##op((val), TRCSSCSRn(2)) \
+ CASE_##op((val), TRCSSCSRn(3)) \
+ CASE_##op((val), TRCSSCSRn(4)) \
+ CASE_##op((val), TRCSSCSRn(5)) \
+ CASE_##op((val), TRCSSCSRn(6)) \
+ CASE_##op((val), TRCSSCSRn(7)) \
+ CASE_##op((val), TRCSSPCICRn(0)) \
+ CASE_##op((val), TRCSSPCICRn(1)) \
+ CASE_##op((val), TRCSSPCICRn(2)) \
+ CASE_##op((val), TRCSSPCICRn(3)) \
+ CASE_##op((val), TRCSSPCICRn(4)) \
+ CASE_##op((val), TRCSSPCICRn(5)) \
+ CASE_##op((val), TRCSSPCICRn(6)) \
+ CASE_##op((val), TRCSSPCICRn(7)) \
+ CASE_##op((val), TRCOSLSR) \
+ CASE_##op((val), TRCACVRn(0)) \
+ CASE_##op((val), TRCACVRn(1)) \
+ CASE_##op((val), TRCACVRn(2)) \
+ CASE_##op((val), TRCACVRn(3)) \
+ CASE_##op((val), TRCACVRn(4)) \
+ CASE_##op((val), TRCACVRn(5)) \
+ CASE_##op((val), TRCACVRn(6)) \
+ CASE_##op((val), TRCACVRn(7)) \
+ CASE_##op((val), TRCACVRn(8)) \
+ CASE_##op((val), TRCACVRn(9)) \
+ CASE_##op((val), TRCACVRn(10)) \
+ CASE_##op((val), TRCACVRn(11)) \
+ CASE_##op((val), TRCACVRn(12)) \
+ CASE_##op((val), TRCACVRn(13)) \
+ CASE_##op((val), TRCACVRn(14)) \
+ CASE_##op((val), TRCACVRn(15)) \
+ CASE_##op((val), TRCACATRn(0)) \
+ CASE_##op((val), TRCACATRn(1)) \
+ CASE_##op((val), TRCACATRn(2)) \
+ CASE_##op((val), TRCACATRn(3)) \
+ CASE_##op((val), TRCACATRn(4)) \
+ CASE_##op((val), TRCACATRn(5)) \
+ CASE_##op((val), TRCACATRn(6)) \
+ CASE_##op((val), TRCACATRn(7)) \
+ CASE_##op((val), TRCACATRn(8)) \
+ CASE_##op((val), TRCACATRn(9)) \
+ CASE_##op((val), TRCACATRn(10)) \
+ CASE_##op((val), TRCACATRn(11)) \
+ CASE_##op((val), TRCACATRn(12)) \
+ CASE_##op((val), TRCACATRn(13)) \
+ CASE_##op((val), TRCACATRn(14)) \
+ CASE_##op((val), TRCACATRn(15)) \
+ CASE_##op((val), TRCDVCVRn(0)) \
+ CASE_##op((val), TRCDVCVRn(1)) \
+ CASE_##op((val), TRCDVCVRn(2)) \
+ CASE_##op((val), TRCDVCVRn(3)) \
+ CASE_##op((val), TRCDVCVRn(4)) \
+ CASE_##op((val), TRCDVCVRn(5)) \
+ CASE_##op((val), TRCDVCVRn(6)) \
+ CASE_##op((val), TRCDVCVRn(7)) \
+ CASE_##op((val), TRCDVCMRn(0)) \
+ CASE_##op((val), TRCDVCMRn(1)) \
+ CASE_##op((val), TRCDVCMRn(2)) \
+ CASE_##op((val), TRCDVCMRn(3)) \
+ CASE_##op((val), TRCDVCMRn(4)) \
+ CASE_##op((val), TRCDVCMRn(5)) \
+ CASE_##op((val), TRCDVCMRn(6)) \
+ CASE_##op((val), TRCDVCMRn(7)) \
+ CASE_##op((val), TRCCIDCVRn(0)) \
+ CASE_##op((val), TRCCIDCVRn(1)) \
+ CASE_##op((val), TRCCIDCVRn(2)) \
+ CASE_##op((val), TRCCIDCVRn(3)) \
+ CASE_##op((val), TRCCIDCVRn(4)) \
+ CASE_##op((val), TRCCIDCVRn(5)) \
+ CASE_##op((val), TRCCIDCVRn(6)) \
+ CASE_##op((val), TRCCIDCVRn(7)) \
+ CASE_##op((val), TRCVMIDCVRn(0)) \
+ CASE_##op((val), TRCVMIDCVRn(1)) \
+ CASE_##op((val), TRCVMIDCVRn(2)) \
+ CASE_##op((val), TRCVMIDCVRn(3)) \
+ CASE_##op((val), TRCVMIDCVRn(4)) \
+ CASE_##op((val), TRCVMIDCVRn(5)) \
+ CASE_##op((val), TRCVMIDCVRn(6)) \
+ CASE_##op((val), TRCVMIDCVRn(7)) \
+ CASE_##op((val), TRCCIDCCTLR0) \
+ CASE_##op((val), TRCCIDCCTLR1) \
+ CASE_##op((val), TRCVMIDCCTLR0) \
+ CASE_##op((val), TRCVMIDCCTLR1) \
+ CASE_##op((val), TRCCLAIMSET) \
+ CASE_##op((val), TRCCLAIMCLR) \
+ CASE_##op((val), TRCAUTHSTATUS) \
+ CASE_##op((val), TRCDEVARCH) \
+ CASE_##op((val), TRCDEVID)
+
+/* List of registers only accessible via memory-mapped interface */
+#define ETM_MMAP_LIST(op, val) \
+ CASE_##op((val), TRCDEVTYPE) \
+ CASE_##op((val), TRCPDCR) \
+ CASE_##op((val), TRCPDSR) \
+ CASE_##op((val), TRCDEVAFF0) \
+ CASE_##op((val), TRCDEVAFF1) \
+ CASE_##op((val), TRCLAR) \
+ CASE_##op((val), TRCLSR) \
+ CASE_##op((val), TRCITCTRL) \
+ CASE_##op((val), TRCPIDR4) \
+ CASE_##op((val), TRCPIDR0) \
+ CASE_##op((val), TRCPIDR1) \
+ CASE_##op((val), TRCPIDR2) \
+ CASE_##op((val), TRCPIDR3)
+
+#define ETM4x_READ_SYSREG_CASES(res) \
+ ETM_COMMON_SYSREG_LIST(READ, (res)) \
+ ETM4x_ONLY_SYSREG_LIST(READ, (res))
+
+#define ETM4x_WRITE_SYSREG_CASES(val) \
+ ETM_COMMON_SYSREG_LIST(WRITE, (val)) \
+ ETM4x_ONLY_SYSREG_LIST(WRITE, (val))
+
+#define ETM_COMMON_SYSREG_LIST_CASES \
+ ETM_COMMON_SYSREG_LIST(NOP, __unused)
+
+#define ETM4x_ONLY_SYSREG_LIST_CASES \
+ ETM4x_ONLY_SYSREG_LIST(NOP, __unused)
+
+#define ETM4x_SYSREG_LIST_CASES \
+ ETM_COMMON_SYSREG_LIST_CASES \
+ ETM4x_ONLY_SYSREG_LIST(NOP, __unused)
+
+#define ETM4x_MMAP_LIST_CASES ETM_MMAP_LIST(NOP, __unused)
+
+/* ETE only supports system register access */
+#define ETE_READ_CASES(res) \
+ ETM_COMMON_SYSREG_LIST(READ, (res)) \
+ ETE_ONLY_SYSREG_LIST(READ, (res))
+
+#define ETE_WRITE_CASES(val) \
+ ETM_COMMON_SYSREG_LIST(WRITE, (val)) \
+ ETE_ONLY_SYSREG_LIST(WRITE, (val))
+
+#define ETE_ONLY_SYSREG_LIST_CASES \
+ ETE_ONLY_SYSREG_LIST(NOP, __unused)
+
+#define read_etm4x_sysreg_offset(offset, _64bit) \
+ ({ \
+ u64 __val; \
+ \
+ if (__builtin_constant_p((offset))) \
+ __val = read_etm4x_sysreg_const_offset((offset)); \
+ else \
+ __val = etm4x_sysreg_read((offset), true, (_64bit)); \
+ __val; \
+ })
+
+#define write_etm4x_sysreg_offset(val, offset, _64bit) \
+ do { \
+ if (__builtin_constant_p((offset))) \
+ write_etm4x_sysreg_const_offset((val), \
+ (offset)); \
+ else \
+ etm4x_sysreg_write((val), (offset), true, \
+ (_64bit)); \
+ } while (0)
+
+
+#define etm4x_relaxed_read32(csa, offset) \
+ ((u32)((csa)->io_mem ? \
+ readl_relaxed((csa)->base + (offset)) : \
+ read_etm4x_sysreg_offset((offset), false)))
+
+#define etm4x_relaxed_read64(csa, offset) \
+ ((u64)((csa)->io_mem ? \
+ readq_relaxed((csa)->base + (offset)) : \
+ read_etm4x_sysreg_offset((offset), true)))
+
+#define etm4x_read32(csa, offset) \
+ ({ \
+ u32 __val = etm4x_relaxed_read32((csa), (offset)); \
+ __iormb(__val); \
+ __val; \
+ })
+
+#define etm4x_read64(csa, offset) \
+ ({ \
+ u64 __val = etm4x_relaxed_read64((csa), (offset)); \
+ __iormb(__val); \
+ __val; \
+ })
+
+#define etm4x_relaxed_write32(csa, val, offset) \
+ do { \
+ if ((csa)->io_mem) \
+ writel_relaxed((val), (csa)->base + (offset)); \
+ else \
+ write_etm4x_sysreg_offset((val), (offset), \
+ false); \
+ } while (0)
+
+#define etm4x_relaxed_write64(csa, val, offset) \
+ do { \
+ if ((csa)->io_mem) \
+ writeq_relaxed((val), (csa)->base + (offset)); \
+ else \
+ write_etm4x_sysreg_offset((val), (offset), \
+ true); \
+ } while (0)
+
+#define etm4x_write32(csa, val, offset) \
+ do { \
+ __iowmb(); \
+ etm4x_relaxed_write32((csa), (val), (offset)); \
+ } while (0)
+
+#define etm4x_write64(csa, val, offset) \
+ do { \
+ __iowmb(); \
+ etm4x_relaxed_write64((csa), (val), (offset)); \
+ } while (0)
+
+
/* ETMv4 resources */
#define ETM_MAX_NR_PE 8
#define ETMv4_MAX_CNTR 4
@@ -136,7 +506,6 @@
#define ETM_MAX_RES_SEL 32
#define ETM_MAX_SS_CMP 8
-#define ETM_ARCH_V4 0x40
#define ETMv4_SYNC_MASK 0x1F
#define ETM_CYC_THRESHOLD_MASK 0xFFF
#define ETM_CYC_THRESHOLD_DEFAULT 0x100
@@ -174,34 +543,174 @@
ETM_MODE_EXCL_KERN | \
ETM_MODE_EXCL_USER)
+/*
+ * TRCOSLSR.OSLM advertises the OS Lock model.
+ * OSLM[2:0] = TRCOSLSR[4:3,0]
+ *
+ * 0b000 - Trace OS Lock is not implemented.
+ * 0b010 - Trace OS Lock is implemented.
+ * 0b100 - Trace OS Lock is not implemented, unit is controlled by PE OS Lock.
+ */
+#define ETM_OSLOCK_NI 0b000
+#define ETM_OSLOCK_PRESENT 0b010
+#define ETM_OSLOCK_PE 0b100
+
+#define ETM_OSLSR_OSLM(oslsr) ((((oslsr) & GENMASK(4, 3)) >> 2) | (oslsr & 0x1))
+
+/*
+ * TRCDEVARCH Bit field definitions
+ * Bits[31:21] - ARCHITECT = Always Arm Ltd.
+ * * Bits[31:28] = 0x4
+ * * Bits[27:21] = 0b0111011
+ * Bit[20] - PRESENT, Indicates the presence of this register.
+ *
+ * Bit[19:16] - REVISION, Revision of the architecture.
+ *
+ * Bit[15:0] - ARCHID, Identifies this component as an ETM
+ * * Bits[15:12] - architecture version of ETM
+ * * = 4 for ETMv4
+ * * Bits[11:0] = 0xA13, architecture part number for ETM.
+ */
+#define ETM_DEVARCH_ARCHITECT_MASK GENMASK(31, 21)
+#define ETM_DEVARCH_ARCHITECT_ARM ((0x4 << 28) | (0b0111011 << 21))
+#define ETM_DEVARCH_PRESENT BIT(20)
+#define ETM_DEVARCH_REVISION_SHIFT 16
+#define ETM_DEVARCH_REVISION_MASK GENMASK(19, 16)
+#define ETM_DEVARCH_REVISION(x) \
+ (((x) & ETM_DEVARCH_REVISION_MASK) >> ETM_DEVARCH_REVISION_SHIFT)
+#define ETM_DEVARCH_ARCHID_MASK GENMASK(15, 0)
+#define ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT 12
+#define ETM_DEVARCH_ARCHID_ARCH_VER_MASK GENMASK(15, 12)
+#define ETM_DEVARCH_ARCHID_ARCH_VER(x) \
+ (((x) & ETM_DEVARCH_ARCHID_ARCH_VER_MASK) >> ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT)
+
+#define ETM_DEVARCH_MAKE_ARCHID_ARCH_VER(ver) \
+ (((ver) << ETM_DEVARCH_ARCHID_ARCH_VER_SHIFT) & ETM_DEVARCH_ARCHID_ARCH_VER_MASK)
+
+#define ETM_DEVARCH_ARCHID_ARCH_PART(x) ((x) & 0xfffUL)
+
+#define ETM_DEVARCH_MAKE_ARCHID(major) \
+ ((ETM_DEVARCH_MAKE_ARCHID_ARCH_VER(major)) | ETM_DEVARCH_ARCHID_ARCH_PART(0xA13))
+
+#define ETM_DEVARCH_ARCHID_ETMv4x ETM_DEVARCH_MAKE_ARCHID(0x4)
+#define ETM_DEVARCH_ARCHID_ETE ETM_DEVARCH_MAKE_ARCHID(0x5)
+
+#define ETM_DEVARCH_ID_MASK \
+ (ETM_DEVARCH_ARCHITECT_MASK | ETM_DEVARCH_ARCHID_MASK | ETM_DEVARCH_PRESENT)
+#define ETM_DEVARCH_ETMv4x_ARCH \
+ (ETM_DEVARCH_ARCHITECT_ARM | ETM_DEVARCH_ARCHID_ETMv4x | ETM_DEVARCH_PRESENT)
+#define ETM_DEVARCH_ETE_ARCH \
+ (ETM_DEVARCH_ARCHITECT_ARM | ETM_DEVARCH_ARCHID_ETE | ETM_DEVARCH_PRESENT)
+
#define TRCSTATR_IDLE_BIT 0
#define TRCSTATR_PMSTABLE_BIT 1
#define ETM_DEFAULT_ADDR_COMP 0
+#define TRCSSCSRn_PC BIT(3)
+
/* PowerDown Control Register bits */
#define TRCPDCR_PU BIT(3)
-/* secure state access levels - TRCACATRn */
-#define ETM_EXLEVEL_S_APP BIT(8)
-#define ETM_EXLEVEL_S_OS BIT(9)
-#define ETM_EXLEVEL_S_HYP BIT(10)
-#define ETM_EXLEVEL_S_MON BIT(11)
-/* non-secure state access levels - TRCACATRn */
-#define ETM_EXLEVEL_NS_APP BIT(12)
-#define ETM_EXLEVEL_NS_OS BIT(13)
-#define ETM_EXLEVEL_NS_HYP BIT(14)
-#define ETM_EXLEVEL_NS_NA BIT(15)
+#define TRCACATR_EXLEVEL_SHIFT 8
-/* access level control in TRCVICTLR - same bits as TRCACATRn but shifted */
-#define ETM_EXLEVEL_LSHIFT_TRCVICTLR 8
+/*
+ * Exception level mask for Secure and Non-Secure ELs.
+ * ETM defines the bits for EL control (e.g, TRVICTLR, TRCACTRn).
+ * The Secure and Non-Secure ELs are always to gether.
+ * Non-secure EL3 is never implemented.
+ * We use the following generic mask as they appear in different
+ * registers and this can be shifted for the appropriate
+ * fields.
+ */
+#define ETM_EXLEVEL_S_APP BIT(0) /* Secure EL0 */
+#define ETM_EXLEVEL_S_OS BIT(1) /* Secure EL1 */
+#define ETM_EXLEVEL_S_HYP BIT(2) /* Secure EL2 */
+#define ETM_EXLEVEL_S_MON BIT(3) /* Secure EL3/Monitor */
+#define ETM_EXLEVEL_NS_APP BIT(4) /* NonSecure EL0 */
+#define ETM_EXLEVEL_NS_OS BIT(5) /* NonSecure EL1 */
+#define ETM_EXLEVEL_NS_HYP BIT(6) /* NonSecure EL2 */
+
+#define ETM_EXLEVEL_MASK (GENMASK(6, 0))
+#define ETM_EXLEVEL_S_MASK (GENMASK(3, 0))
+#define ETM_EXLEVEL_NS_MASK (GENMASK(6, 4))
+
+/* access level controls in TRCACATRn */
+#define TRCACATR_EXLEVEL_SHIFT 8
+
+/* access level control in TRCVICTLR */
+#define TRCVICTLR_EXLEVEL_SHIFT 16
+#define TRCVICTLR_EXLEVEL_S_SHIFT 16
+#define TRCVICTLR_EXLEVEL_NS_SHIFT 20
/* secure / non secure masks - TRCVICTLR, IDR3 */
-#define ETM_EXLEVEL_S_VICTLR_MASK GENMASK(19, 16)
-/* NS MON (EL3) mode never implemented */
-#define ETM_EXLEVEL_NS_VICTLR_MASK GENMASK(22, 20)
+#define TRCVICTLR_EXLEVEL_MASK (ETM_EXLEVEL_MASK << TRCVICTLR_EXLEVEL_SHIFT)
+#define TRCVICTLR_EXLEVEL_S_MASK (ETM_EXLEVEL_S_MASK << TRCVICTLR_EXLEVEL_SHIFT)
+#define TRCVICTLR_EXLEVEL_NS_MASK (ETM_EXLEVEL_NS_MASK << TRCVICTLR_EXLEVEL_SHIFT)
+
+#define ETM_TRCIDR1_ARCH_MAJOR_SHIFT 8
+#define ETM_TRCIDR1_ARCH_MAJOR_MASK (0xfU << ETM_TRCIDR1_ARCH_MAJOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_MAJOR(x) \
+ (((x) & ETM_TRCIDR1_ARCH_MAJOR_MASK) >> ETM_TRCIDR1_ARCH_MAJOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_MINOR_SHIFT 4
+#define ETM_TRCIDR1_ARCH_MINOR_MASK (0xfU << ETM_TRCIDR1_ARCH_MINOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_MINOR(x) \
+ (((x) & ETM_TRCIDR1_ARCH_MINOR_MASK) >> ETM_TRCIDR1_ARCH_MINOR_SHIFT)
+#define ETM_TRCIDR1_ARCH_SHIFT ETM_TRCIDR1_ARCH_MINOR_SHIFT
+#define ETM_TRCIDR1_ARCH_MASK \
+ (ETM_TRCIDR1_ARCH_MAJOR_MASK | ETM_TRCIDR1_ARCH_MINOR_MASK)
+
+#define ETM_TRCIDR1_ARCH_ETMv4 0x4
+
+/*
+ * Driver representation of the ETM architecture.
+ * The version of an ETM component can be detected from
+ *
+ * TRCDEVARCH - CoreSight architected register
+ * - Bits[15:12] - Major version
+ * - Bits[19:16] - Minor version
+ * TRCIDR1 - ETM architected register
+ * - Bits[11:8] - Major version
+ * - Bits[7:4] - Minor version
+ * We must rely on TRCDEVARCH for the version information,
+ * however we don't want to break the support for potential
+ * old implementations which might not implement it. Thus
+ * we fall back to TRCIDR1 if TRCDEVARCH is not implemented
+ * for memory mapped components.
+ * Now to make certain decisions easier based on the version
+ * we use an internal representation of the version in the
+ * driver, as follows :
+ *
+ * ETM_ARCH_VERSION[7:0], where :
+ * Bits[7:4] - Major version
+ * Bits[3:0] - Minro version
+ */
+#define ETM_ARCH_VERSION(major, minor) \
+ ((((major) & 0xfU) << 4) | (((minor) & 0xfU)))
+#define ETM_ARCH_MAJOR_VERSION(arch) (((arch) >> 4) & 0xfU)
+#define ETM_ARCH_MINOR_VERSION(arch) ((arch) & 0xfU)
+
+#define ETM_ARCH_V4 ETM_ARCH_VERSION(4, 0)
+#define ETM_ARCH_ETE ETM_ARCH_VERSION(5, 0)
/* Interpretation of resource numbers change at ETM v4.3 architecture */
-#define ETM4X_ARCH_4V3 0x43
+#define ETM_ARCH_V4_3 ETM_ARCH_VERSION(4, 3)
+
+static inline u8 etm_devarch_to_arch(u32 devarch)
+{
+ return ETM_ARCH_VERSION(ETM_DEVARCH_ARCHID_ARCH_VER(devarch),
+ ETM_DEVARCH_REVISION(devarch));
+}
+
+static inline u8 etm_trcidr_to_arch(u32 trcidr1)
+{
+ return ETM_ARCH_VERSION(ETM_TRCIDR1_ARCH_MAJOR(trcidr1),
+ ETM_TRCIDR1_ARCH_MINOR(trcidr1));
+}
+
+enum etm_impdef_type {
+ ETM4_IMPDEF_HISI_CORE_COMMIT,
+ ETM4_IMPDEF_FEATURE_MAX,
+};
/**
* struct etmv4_config - configuration information related to an ETMv4
@@ -250,7 +759,7 @@
* @vmid_mask0: VM ID comparator mask for comparator 0-3.
* @vmid_mask1: VM ID comparator mask for comparator 4-7.
* @ext_inp: External input selection.
- * @arch: ETM architecture version (for arch dependent config).
+ * @s_ex_level: Secure ELs where tracing is supported.
*/
struct etmv4_config {
u32 mode;
@@ -294,7 +803,7 @@ struct etmv4_config {
u32 vmid_mask0;
u32 vmid_mask1;
u32 ext_inp;
- u8 arch;
+ u8 s_ex_level;
};
/**
@@ -363,7 +872,7 @@ struct etmv4_save_state {
* @spinlock: Only one at a time pls.
* @mode: This tracer's mode, i.e sysFS, Perf or disabled.
* @cpu: The cpu this component is affined to.
- * @arch: ETM version number.
+ * @arch: ETM architecture version.
* @nr_pe: The number of processing entity available for tracing.
* @nr_pe_cmp: The number of processing entity comparator inputs that are
* available for tracing.
@@ -410,11 +919,13 @@ struct etmv4_save_state {
* @nooverflow: Indicate if overflow prevention is supported.
* @atbtrig: If the implementation can support ATB triggers
* @lpoverride: If the implementation can support low-power state over.
+ * @trfc: If the implementation supports Arm v8.4 trace filter controls.
* @config: structure holding configuration parameters.
* @save_state: State to be preserved across power loss
* @state_needs_restore: True when there is context to restore after PM exit
* @skip_power_up: Indicates if an implementation can skip powering up
* the trace unit.
+ * @arch_features: Bitmap of arch features of etmv4 devices.
*/
struct etmv4_drvdata {
void __iomem *base;
@@ -444,6 +955,7 @@ struct etmv4_drvdata {
u8 s_ex_level;
u8 ns_ex_level;
u8 q_support;
+ u8 os_lock_model;
bool sticky_enable;
bool boot_enable;
bool os_unlock;
@@ -459,10 +971,12 @@ struct etmv4_drvdata {
bool nooverflow;
bool atbtrig;
bool lpoverride;
+ bool trfc;
struct etmv4_config config;
struct etmv4_save_state *save_state;
bool state_needs_restore;
bool skip_power_up;
+ DECLARE_BITMAP(arch_features, ETM4_IMPDEF_FEATURE_MAX);
};
/* Address comparator access types */
@@ -483,4 +997,12 @@ enum etm_addr_ctxtype {
extern const struct attribute_group *coresight_etmv4_groups[];
void etm4_config_trace_mode(struct etmv4_config *config);
+
+u64 etm4x_sysreg_read(u32 offset, bool _relaxed, bool _64bit);
+void etm4x_sysreg_write(u64 val, u32 offset, bool _relaxed, bool _64bit);
+
+static inline bool etm4x_is_ete(struct etmv4_drvdata *drvdata)
+{
+ return drvdata->arch >= ETM_ARCH_ETE;
+}
#endif
diff --git a/drivers/hwtracing/coresight/coresight-funnel.c b/drivers/hwtracing/coresight/coresight-funnel.c
index 3fc6c67..5c073af 100644
--- a/drivers/hwtracing/coresight/coresight-funnel.c
+++ b/drivers/hwtracing/coresight/coresight-funnel.c
@@ -52,13 +52,14 @@ static int dynamic_funnel_enable_hw(struct funnel_drvdata *drvdata, int port)
{
u32 functl;
int rc = 0;
+ struct coresight_device *csdev = drvdata->csdev;
CS_UNLOCK(drvdata->base);
functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
/* Claim the device only when we enable the first slave */
if (!(functl & FUNNEL_ENSx_MASK)) {
- rc = coresight_claim_device_unlocked(drvdata->base);
+ rc = coresight_claim_device_unlocked(csdev);
if (rc)
goto done;
}
@@ -101,6 +102,7 @@ static void dynamic_funnel_disable_hw(struct funnel_drvdata *drvdata,
int inport)
{
u32 functl;
+ struct coresight_device *csdev = drvdata->csdev;
CS_UNLOCK(drvdata->base);
@@ -110,7 +112,7 @@ static void dynamic_funnel_disable_hw(struct funnel_drvdata *drvdata,
/* Disclaim the device if none of the slaves are now active */
if (!(functl & FUNNEL_ENSx_MASK))
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
}
@@ -242,6 +244,7 @@ static int funnel_probe(struct device *dev, struct resource *res)
}
drvdata->base = base;
desc.groups = coresight_funnel_groups;
+ desc.access = CSDEV_ACCESS_IOMEM(base);
}
dev_set_drvdata(dev, drvdata);
@@ -370,9 +373,9 @@ static int dynamic_funnel_probe(struct amba_device *adev,
return funnel_probe(&adev->dev, &adev->res);
}
-static int dynamic_funnel_remove(struct amba_device *adev)
+static void dynamic_funnel_remove(struct amba_device *adev)
{
- return funnel_remove(&adev->dev);
+ funnel_remove(&adev->dev);
}
static const struct amba_id dynamic_funnel_ids[] = {
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index f5f654e..ff1dd20 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -232,4 +232,7 @@ coresight_find_csdev_by_fwnode(struct fwnode_handle *r_fwnode);
void coresight_set_assoc_ectdev_mutex(struct coresight_device *csdev,
struct coresight_device *ect_csdev);
+void coresight_set_percpu_sink(int cpu, struct coresight_device *csdev);
+struct coresight_device *coresight_get_percpu_sink(int cpu);
+
#endif
diff --git a/drivers/hwtracing/coresight/coresight-replicator.c b/drivers/hwtracing/coresight/coresight-replicator.c
index 38008ac..dfff280 100644
--- a/drivers/hwtracing/coresight/coresight-replicator.c
+++ b/drivers/hwtracing/coresight/coresight-replicator.c
@@ -45,12 +45,14 @@ struct replicator_drvdata {
static void dynamic_replicator_reset(struct replicator_drvdata *drvdata)
{
+ struct coresight_device *csdev = drvdata->csdev;
+
CS_UNLOCK(drvdata->base);
- if (!coresight_claim_device_unlocked(drvdata->base)) {
+ if (!coresight_claim_device_unlocked(csdev)) {
writel_relaxed(0xff, drvdata->base + REPLICATOR_IDFILTER0);
writel_relaxed(0xff, drvdata->base + REPLICATOR_IDFILTER1);
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
}
CS_LOCK(drvdata->base);
@@ -70,6 +72,7 @@ static int dynamic_replicator_enable(struct replicator_drvdata *drvdata,
{
int rc = 0;
u32 id0val, id1val;
+ struct coresight_device *csdev = drvdata->csdev;
CS_UNLOCK(drvdata->base);
@@ -84,7 +87,7 @@ static int dynamic_replicator_enable(struct replicator_drvdata *drvdata,
id0val = id1val = 0xff;
if (id0val == 0xff && id1val == 0xff)
- rc = coresight_claim_device_unlocked(drvdata->base);
+ rc = coresight_claim_device_unlocked(csdev);
if (!rc) {
switch (outport) {
@@ -140,6 +143,7 @@ static void dynamic_replicator_disable(struct replicator_drvdata *drvdata,
int inport, int outport)
{
u32 reg;
+ struct coresight_device *csdev = drvdata->csdev;
switch (outport) {
case 0:
@@ -160,7 +164,7 @@ static void dynamic_replicator_disable(struct replicator_drvdata *drvdata,
if ((readl_relaxed(drvdata->base + REPLICATOR_IDFILTER0) == 0xff) &&
(readl_relaxed(drvdata->base + REPLICATOR_IDFILTER1) == 0xff))
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
}
@@ -254,6 +258,7 @@ static int replicator_probe(struct device *dev, struct resource *res)
}
drvdata->base = base;
desc.groups = replicator_groups;
+ desc.access = CSDEV_ACCESS_IOMEM(base);
}
if (fwnode_property_present(dev_fwnode(dev),
@@ -388,9 +393,9 @@ static int dynamic_replicator_probe(struct amba_device *adev,
return replicator_probe(&adev->dev, &adev->res);
}
-static int dynamic_replicator_remove(struct amba_device *adev)
+static void dynamic_replicator_remove(struct amba_device *adev)
{
- return replicator_remove(&adev->dev);
+ replicator_remove(&adev->dev);
}
static const struct amba_id dynamic_replicator_ids[] = {
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index 587c1d7..ed9a47c 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -258,6 +258,7 @@ static void stm_disable(struct coresight_device *csdev,
struct perf_event *event)
{
struct stm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+ struct csdev_access *csa = &csdev->access;
/*
* For as long as the tracer isn't disabled another entity can't
@@ -270,7 +271,7 @@ static void stm_disable(struct coresight_device *csdev,
spin_unlock(&drvdata->spinlock);
/* Wait until the engine has completely stopped */
- coresight_timeout(drvdata->base, STMTCSR, STMTCSR_BUSY_BIT, 0);
+ coresight_timeout(csa, STMTCSR, STMTCSR_BUSY_BIT, 0);
pm_runtime_put(csdev->dev.parent);
@@ -884,6 +885,7 @@ static int stm_probe(struct amba_device *adev, const struct amba_id *id)
if (IS_ERR(base))
return PTR_ERR(base);
drvdata->base = base;
+ desc.access = CSDEV_ACCESS_IOMEM(base);
ret = stm_get_stimulus_area(dev, &ch_res);
if (ret)
@@ -951,15 +953,13 @@ static int stm_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int stm_remove(struct amba_device *adev)
+static void stm_remove(struct amba_device *adev)
{
struct stm_drvdata *drvdata = dev_get_drvdata(&adev->dev);
coresight_unregister(drvdata->csdev);
stm_unregister_device(&drvdata->stm);
-
- return 0;
}
#ifdef CONFIG_PM
diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c
index 8169dff..74c6323 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-core.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
@@ -33,16 +33,20 @@ DEFINE_CORESIGHT_DEVLIST(etr_devs, "tmc_etr");
void tmc_wait_for_tmcready(struct tmc_drvdata *drvdata)
{
+ struct coresight_device *csdev = drvdata->csdev;
+ struct csdev_access *csa = &csdev->access;
+
/* Ensure formatter, unformatter and hardware fifo are empty */
- if (coresight_timeout(drvdata->base,
- TMC_STS, TMC_STS_TMCREADY_BIT, 1)) {
- dev_err(&drvdata->csdev->dev,
+ if (coresight_timeout(csa, TMC_STS, TMC_STS_TMCREADY_BIT, 1)) {
+ dev_err(&csdev->dev,
"timeout while waiting for TMC to be Ready\n");
}
}
void tmc_flush_and_stop(struct tmc_drvdata *drvdata)
{
+ struct coresight_device *csdev = drvdata->csdev;
+ struct csdev_access *csa = &csdev->access;
u32 ffcr;
ffcr = readl_relaxed(drvdata->base + TMC_FFCR);
@@ -51,9 +55,8 @@ void tmc_flush_and_stop(struct tmc_drvdata *drvdata)
ffcr |= BIT(TMC_FFCR_FLUSHMAN_BIT);
writel_relaxed(ffcr, drvdata->base + TMC_FFCR);
/* Ensure flush completes */
- if (coresight_timeout(drvdata->base,
- TMC_FFCR, TMC_FFCR_FLUSHMAN_BIT, 0)) {
- dev_err(&drvdata->csdev->dev,
+ if (coresight_timeout(csa, TMC_FFCR, TMC_FFCR_FLUSHMAN_BIT, 0)) {
+ dev_err(&csdev->dev,
"timeout while waiting for completion of Manual Flush\n");
}
@@ -456,6 +459,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
}
drvdata->base = base;
+ desc.access = CSDEV_ACCESS_IOMEM(base);
spin_lock_init(&drvdata->spinlock);
@@ -559,7 +563,7 @@ static void tmc_shutdown(struct amba_device *adev)
spin_unlock_irqrestore(&drvdata->spinlock, flags);
}
-static int tmc_remove(struct amba_device *adev)
+static void tmc_remove(struct amba_device *adev)
{
struct tmc_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@@ -570,8 +574,6 @@ static int tmc_remove(struct amba_device *adev)
*/
misc_deregister(&drvdata->miscdev);
coresight_unregister(drvdata->csdev);
-
- return 0;
}
static const struct amba_id tmc_ids[] = {
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 8978f34..cd0fb7b 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -37,7 +37,7 @@ static void __tmc_etb_enable_hw(struct tmc_drvdata *drvdata)
static int tmc_etb_enable_hw(struct tmc_drvdata *drvdata)
{
- int rc = coresight_claim_device(drvdata->base);
+ int rc = coresight_claim_device(drvdata->csdev);
if (rc)
return rc;
@@ -88,7 +88,7 @@ static void __tmc_etb_disable_hw(struct tmc_drvdata *drvdata)
static void tmc_etb_disable_hw(struct tmc_drvdata *drvdata)
{
__tmc_etb_disable_hw(drvdata);
- coresight_disclaim_device(drvdata->base);
+ coresight_disclaim_device(drvdata->csdev);
}
static void __tmc_etf_enable_hw(struct tmc_drvdata *drvdata)
@@ -109,7 +109,7 @@ static void __tmc_etf_enable_hw(struct tmc_drvdata *drvdata)
static int tmc_etf_enable_hw(struct tmc_drvdata *drvdata)
{
- int rc = coresight_claim_device(drvdata->base);
+ int rc = coresight_claim_device(drvdata->csdev);
if (rc)
return rc;
@@ -120,11 +120,13 @@ static int tmc_etf_enable_hw(struct tmc_drvdata *drvdata)
static void tmc_etf_disable_hw(struct tmc_drvdata *drvdata)
{
+ struct coresight_device *csdev = drvdata->csdev;
+
CS_UNLOCK(drvdata->base);
tmc_flush_and_stop(drvdata);
tmc_disable_hw(drvdata);
- coresight_disclaim_device_unlocked(drvdata->base);
+ coresight_disclaim_device_unlocked(csdev);
CS_LOCK(drvdata->base);
}
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 3309b13..ea5027e 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -1040,7 +1040,7 @@ static int tmc_etr_enable_hw(struct tmc_drvdata *drvdata,
rc = tmc_etr_enable_catu(drvdata, etr_buf);
if (rc)
return rc;
- rc = coresight_claim_device(drvdata->base);
+ rc = coresight_claim_device(drvdata->csdev);
if (!rc) {
drvdata->etr_buf = etr_buf;
__tmc_etr_enable_hw(drvdata);
@@ -1134,7 +1134,7 @@ void tmc_etr_disable_hw(struct tmc_drvdata *drvdata)
__tmc_etr_disable_hw(drvdata);
/* Disable CATU device if this ETR is connected to one */
tmc_etr_disable_catu(drvdata);
- coresight_disclaim_device(drvdata->base);
+ coresight_disclaim_device(drvdata->csdev);
/* Reset the ETR buf used by hardware */
drvdata->etr_buf = NULL;
}
diff --git a/drivers/hwtracing/coresight/coresight-tpiu.c b/drivers/hwtracing/coresight/coresight-tpiu.c
index 5b35029..69436fa 100644
--- a/drivers/hwtracing/coresight/coresight-tpiu.c
+++ b/drivers/hwtracing/coresight/coresight-tpiu.c
@@ -60,49 +60,45 @@ struct tpiu_drvdata {
struct coresight_device *csdev;
};
-static void tpiu_enable_hw(struct tpiu_drvdata *drvdata)
+static void tpiu_enable_hw(struct csdev_access *csa)
{
- CS_UNLOCK(drvdata->base);
+ CS_UNLOCK(csa->base);
/* TODO: fill this up */
- CS_LOCK(drvdata->base);
+ CS_LOCK(csa->base);
}
static int tpiu_enable(struct coresight_device *csdev, u32 mode, void *__unused)
{
- struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
-
- tpiu_enable_hw(drvdata);
+ tpiu_enable_hw(&csdev->access);
atomic_inc(csdev->refcnt);
dev_dbg(&csdev->dev, "TPIU enabled\n");
return 0;
}
-static void tpiu_disable_hw(struct tpiu_drvdata *drvdata)
+static void tpiu_disable_hw(struct csdev_access *csa)
{
- CS_UNLOCK(drvdata->base);
+ CS_UNLOCK(csa->base);
/* Clear formatter and stop on flush */
- writel_relaxed(FFCR_STOP_FI, drvdata->base + TPIU_FFCR);
+ csdev_access_relaxed_write32(csa, FFCR_STOP_FI, TPIU_FFCR);
/* Generate manual flush */
- writel_relaxed(FFCR_STOP_FI | FFCR_FON_MAN, drvdata->base + TPIU_FFCR);
+ csdev_access_relaxed_write32(csa, FFCR_STOP_FI | FFCR_FON_MAN, TPIU_FFCR);
/* Wait for flush to complete */
- coresight_timeout(drvdata->base, TPIU_FFCR, FFCR_FON_MAN_BIT, 0);
+ coresight_timeout(csa, TPIU_FFCR, FFCR_FON_MAN_BIT, 0);
/* Wait for formatter to stop */
- coresight_timeout(drvdata->base, TPIU_FFSR, FFSR_FT_STOPPED_BIT, 1);
+ coresight_timeout(csa, TPIU_FFSR, FFSR_FT_STOPPED_BIT, 1);
- CS_LOCK(drvdata->base);
+ CS_LOCK(csa->base);
}
static int tpiu_disable(struct coresight_device *csdev)
{
- struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
-
if (atomic_dec_return(csdev->refcnt))
return -EBUSY;
- tpiu_disable_hw(drvdata);
+ tpiu_disable_hw(&csdev->access);
dev_dbg(&csdev->dev, "TPIU disabled\n");
return 0;
@@ -149,9 +145,10 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
return PTR_ERR(base);
drvdata->base = base;
+ desc.access = CSDEV_ACCESS_IOMEM(base);
/* Disable tpiu to support older devices */
- tpiu_disable_hw(drvdata);
+ tpiu_disable_hw(&desc.access);
pdata = coresight_get_platform_data(dev);
if (IS_ERR(pdata))
@@ -173,13 +170,11 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
return PTR_ERR(drvdata->csdev);
}
-static int tpiu_remove(struct amba_device *adev)
+static void tpiu_remove(struct amba_device *adev)
{
struct tpiu_drvdata *drvdata = dev_get_drvdata(&adev->dev);
coresight_unregister(drvdata->csdev);
-
- return 0;
}
#ifdef CONFIG_PM
diff --git a/drivers/hwtracing/coresight/coresight-trbe.c b/drivers/hwtracing/coresight/coresight-trbe.c
new file mode 100644
index 0000000..1768684
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-trbe.c
@@ -0,0 +1,1157 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This driver enables Trace Buffer Extension (TRBE) as a per-cpu coresight
+ * sink device could then pair with an appropriate per-cpu coresight source
+ * device (ETE) thus generating required trace data. Trace can be enabled
+ * via the perf framework.
+ *
+ * The AUX buffer handling is inspired from Arm SPE PMU driver.
+ *
+ * Copyright (C) 2020 ARM Ltd.
+ *
+ * Author: Anshuman Khandual <anshuman.khandual@arm.com>
+ */
+#define DRVNAME "arm_trbe"
+
+#define pr_fmt(fmt) DRVNAME ": " fmt
+
+#include <asm/barrier.h>
+#include "coresight-trbe.h"
+
+#define PERF_IDX2OFF(idx, buf) ((idx) % ((buf)->nr_pages << PAGE_SHIFT))
+
+/*
+ * A padding packet that will help the user space tools
+ * in skipping relevant sections in the captured trace
+ * data which could not be decoded. TRBE doesn't support
+ * formatting the trace data, unlike the legacy CoreSight
+ * sinks and thus we use ETE trace packets to pad the
+ * sections of the buffer.
+ */
+#define ETE_IGNORE_PACKET 0x70
+
+/*
+ * Minimum amount of meaningful trace will contain:
+ * A-Sync, Trace Info, Trace On, Address, Atom.
+ * This is about 44bytes of ETE trace. To be on
+ * the safer side, we assume 64bytes is the minimum
+ * space required for a meaningful session, before
+ * we hit a "WRAP" event.
+ */
+#define TRBE_TRACE_MIN_BUF_SIZE 64
+
+enum trbe_fault_action {
+ TRBE_FAULT_ACT_WRAP,
+ TRBE_FAULT_ACT_SPURIOUS,
+ TRBE_FAULT_ACT_FATAL,
+};
+
+struct trbe_buf {
+ /*
+ * Even though trbe_base represents vmap()
+ * mapped allocated buffer's start address,
+ * it's being as unsigned long for various
+ * arithmetic and comparision operations &
+ * also to be consistent with trbe_write &
+ * trbe_limit sibling pointers.
+ */
+ unsigned long trbe_base;
+ unsigned long trbe_limit;
+ unsigned long trbe_write;
+ int nr_pages;
+ void **pages;
+ bool snapshot;
+ struct trbe_cpudata *cpudata;
+};
+
+struct trbe_cpudata {
+ bool trbe_flag;
+ u64 trbe_align;
+ int cpu;
+ enum cs_mode mode;
+ struct trbe_buf *buf;
+ struct trbe_drvdata *drvdata;
+};
+
+struct trbe_drvdata {
+ struct trbe_cpudata __percpu *cpudata;
+ struct perf_output_handle * __percpu *handle;
+ struct hlist_node hotplug_node;
+ int irq;
+ cpumask_t supported_cpus;
+ enum cpuhp_state trbe_online;
+ struct platform_device *pdev;
+};
+
+static int trbe_alloc_node(struct perf_event *event)
+{
+ if (event->cpu == -1)
+ return NUMA_NO_NODE;
+ return cpu_to_node(event->cpu);
+}
+
+static void trbe_drain_buffer(void)
+{
+ tsb_csync();
+ dsb(nsh);
+}
+
+static void trbe_drain_and_disable_local(void)
+{
+ u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+ trbe_drain_buffer();
+
+ /*
+ * Disable the TRBE without clearing LIMITPTR which
+ * might be required for fetching the buffer limits.
+ */
+ trblimitr &= ~TRBLIMITR_ENABLE;
+ write_sysreg_s(trblimitr, SYS_TRBLIMITR_EL1);
+ isb();
+}
+
+static void trbe_reset_local(void)
+{
+ trbe_drain_and_disable_local();
+ write_sysreg_s(0, SYS_TRBLIMITR_EL1);
+ write_sysreg_s(0, SYS_TRBPTR_EL1);
+ write_sysreg_s(0, SYS_TRBBASER_EL1);
+ write_sysreg_s(0, SYS_TRBSR_EL1);
+}
+
+static void trbe_stop_and_truncate_event(struct perf_output_handle *handle)
+{
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+ /*
+ * We cannot proceed with the buffer collection and we
+ * do not have any data for the current session. The
+ * etm_perf driver expects to close out the aux_buffer
+ * at event_stop(). So disable the TRBE here and leave
+ * the update_buffer() to return a 0 size.
+ */
+ trbe_drain_and_disable_local();
+ perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+ *this_cpu_ptr(buf->cpudata->drvdata->handle) = NULL;
+}
+
+/*
+ * TRBE Buffer Management
+ *
+ * The TRBE buffer spans from the base pointer till the limit pointer. When enabled,
+ * it starts writing trace data from the write pointer onward till the limit pointer.
+ * When the write pointer reaches the address just before the limit pointer, it gets
+ * wrapped around again to the base pointer. This is called a TRBE wrap event, which
+ * generates a maintenance interrupt when operated in WRAP or FILL mode. This driver
+ * uses FILL mode, where the TRBE stops the trace collection at wrap event. The IRQ
+ * handler updates the AUX buffer and re-enables the TRBE with updated WRITE and
+ * LIMIT pointers.
+ *
+ * Wrap around with an IRQ
+ * ------ < ------ < ------- < ----- < -----
+ * | |
+ * ------ > ------ > ------- > ----- > -----
+ *
+ * +---------------+-----------------------+
+ * | | |
+ * +---------------+-----------------------+
+ * Base Pointer Write Pointer Limit Pointer
+ *
+ * The base and limit pointers always needs to be PAGE_SIZE aligned. But the write
+ * pointer can be aligned to the implementation defined TRBE trace buffer alignment
+ * as captured in trbe_cpudata->trbe_align.
+ *
+ *
+ * head tail wakeup
+ * +---------------------------------------+----- ~ ~ ------
+ * |$$$$$$$|################|$$$$$$$$$$$$$$| |
+ * +---------------------------------------+----- ~ ~ ------
+ * Base Pointer Write Pointer Limit Pointer
+ *
+ * The perf_output_handle indices (head, tail, wakeup) are monotonically increasing
+ * values which tracks all the driver writes and user reads from the perf auxiliary
+ * buffer. Generally [head..tail] is the area where the driver can write into unless
+ * the wakeup is behind the tail. Enabled TRBE buffer span needs to be adjusted and
+ * configured depending on the perf_output_handle indices, so that the driver does
+ * not override into areas in the perf auxiliary buffer which is being or yet to be
+ * consumed from the user space. The enabled TRBE buffer area is a moving subset of
+ * the allocated perf auxiliary buffer.
+ */
+static void trbe_pad_buf(struct perf_output_handle *handle, int len)
+{
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+ u64 head = PERF_IDX2OFF(handle->head, buf);
+
+ memset((void *)buf->trbe_base + head, ETE_IGNORE_PACKET, len);
+ if (!buf->snapshot)
+ perf_aux_output_skip(handle, len);
+}
+
+static unsigned long trbe_snapshot_offset(struct perf_output_handle *handle)
+{
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+ /*
+ * The ETE trace has alignment synchronization packets allowing
+ * the decoder to reset in case of an overflow or corruption.
+ * So we can use the entire buffer for the snapshot mode.
+ */
+ return buf->nr_pages * PAGE_SIZE;
+}
+
+/*
+ * TRBE Limit Calculation
+ *
+ * The following markers are used to illustrate various TRBE buffer situations.
+ *
+ * $$$$ - Data area, unconsumed captured trace data, not to be overridden
+ * #### - Free area, enabled, trace will be written
+ * %%%% - Free area, disabled, trace will not be written
+ * ==== - Free area, padded with ETE_IGNORE_PACKET, trace will be skipped
+ */
+static unsigned long __trbe_normal_offset(struct perf_output_handle *handle)
+{
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+ struct trbe_cpudata *cpudata = buf->cpudata;
+ const u64 bufsize = buf->nr_pages * PAGE_SIZE;
+ u64 limit = bufsize;
+ u64 head, tail, wakeup;
+
+ head = PERF_IDX2OFF(handle->head, buf);
+
+ /*
+ * head
+ * ------->|
+ * |
+ * head TRBE align tail
+ * +----|-------|---------------|-------+
+ * |$$$$|=======|###############|$$$$$$$|
+ * +----|-------|---------------|-------+
+ * trbe_base trbe_base + nr_pages
+ *
+ * Perf aux buffer output head position can be misaligned depending on
+ * various factors including user space reads. In case misaligned, head
+ * needs to be aligned before TRBE can be configured. Pad the alignment
+ * gap with ETE_IGNORE_PACKET bytes that will be ignored by user tools
+ * and skip this section thus advancing the head.
+ */
+ if (!IS_ALIGNED(head, cpudata->trbe_align)) {
+ unsigned long delta = roundup(head, cpudata->trbe_align) - head;
+
+ delta = min(delta, handle->size);
+ trbe_pad_buf(handle, delta);
+ head = PERF_IDX2OFF(handle->head, buf);
+ }
+
+ /*
+ * head = tail (size = 0)
+ * +----|-------------------------------+
+ * |$$$$|$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ |
+ * +----|-------------------------------+
+ * trbe_base trbe_base + nr_pages
+ *
+ * Perf aux buffer does not have any space for the driver to write into.
+ * Just communicate trace truncation event to the user space by marking
+ * it with PERF_AUX_FLAG_TRUNCATED.
+ */
+ if (!handle->size) {
+ perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+ return 0;
+ }
+
+ /* Compute the tail and wakeup indices now that we've aligned head */
+ tail = PERF_IDX2OFF(handle->head + handle->size, buf);
+ wakeup = PERF_IDX2OFF(handle->wakeup, buf);
+
+ /*
+ * Lets calculate the buffer area which TRBE could write into. There
+ * are three possible scenarios here. Limit needs to be aligned with
+ * PAGE_SIZE per the TRBE requirement. Always avoid clobbering the
+ * unconsumed data.
+ *
+ * 1) head < tail
+ *
+ * head tail
+ * +----|-----------------------|-------+
+ * |$$$$|#######################|$$$$$$$|
+ * +----|-----------------------|-------+
+ * trbe_base limit trbe_base + nr_pages
+ *
+ * TRBE could write into [head..tail] area. Unless the tail is right at
+ * the end of the buffer, neither an wrap around nor an IRQ is expected
+ * while being enabled.
+ *
+ * 2) head == tail
+ *
+ * head = tail (size > 0)
+ * +----|-------------------------------+
+ * |%%%%|###############################|
+ * +----|-------------------------------+
+ * trbe_base limit = trbe_base + nr_pages
+ *
+ * TRBE should just write into [head..base + nr_pages] area even though
+ * the entire buffer is empty. Reason being, when the trace reaches the
+ * end of the buffer, it will just wrap around with an IRQ giving an
+ * opportunity to reconfigure the buffer.
+ *
+ * 3) tail < head
+ *
+ * tail head
+ * +----|-----------------------|-------+
+ * |%%%%|$$$$$$$$$$$$$$$$$$$$$$$|#######|
+ * +----|-----------------------|-------+
+ * trbe_base limit = trbe_base + nr_pages
+ *
+ * TRBE should just write into [head..base + nr_pages] area even though
+ * the [trbe_base..tail] is also empty. Reason being, when the trace
+ * reaches the end of the buffer, it will just wrap around with an IRQ
+ * giving an opportunity to reconfigure the buffer.
+ */
+ if (head < tail)
+ limit = round_down(tail, PAGE_SIZE);
+
+ /*
+ * Wakeup may be arbitrarily far into the future. If it's not in the
+ * current generation, either we'll wrap before hitting it, or it's
+ * in the past and has been handled already.
+ *
+ * If there's a wakeup before we wrap, arrange to be woken up by the
+ * page boundary following it. Keep the tail boundary if that's lower.
+ *
+ * head wakeup tail
+ * +----|---------------|-------|-------+
+ * |$$$$|###############|%%%%%%%|$$$$$$$|
+ * +----|---------------|-------|-------+
+ * trbe_base limit trbe_base + nr_pages
+ */
+ if (handle->wakeup < (handle->head + handle->size) && head <= wakeup)
+ limit = min(limit, round_up(wakeup, PAGE_SIZE));
+
+ /*
+ * There are two situation when this can happen i.e limit is before
+ * the head and hence TRBE cannot be configured.
+ *
+ * 1) head < tail (aligned down with PAGE_SIZE) and also they are both
+ * within the same PAGE size range.
+ *
+ * PAGE_SIZE
+ * |----------------------|
+ *
+ * limit head tail
+ * +------------|------|--------|-------+
+ * |$$$$$$$$$$$$$$$$$$$|========|$$$$$$$|
+ * +------------|------|--------|-------+
+ * trbe_base trbe_base + nr_pages
+ *
+ * 2) head < wakeup (aligned up with PAGE_SIZE) < tail and also both
+ * head and wakeup are within same PAGE size range.
+ *
+ * PAGE_SIZE
+ * |----------------------|
+ *
+ * limit head wakeup tail
+ * +----|------|-------|--------|-------+
+ * |$$$$$$$$$$$|=======|========|$$$$$$$|
+ * +----|------|-------|--------|-------+
+ * trbe_base trbe_base + nr_pages
+ */
+ if (limit > head)
+ return limit;
+
+ trbe_pad_buf(handle, handle->size);
+ perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+ return 0;
+}
+
+static unsigned long trbe_normal_offset(struct perf_output_handle *handle)
+{
+ struct trbe_buf *buf = perf_get_aux(handle);
+ u64 limit = __trbe_normal_offset(handle);
+ u64 head = PERF_IDX2OFF(handle->head, buf);
+
+ /*
+ * If the head is too close to the limit and we don't
+ * have space for a meaningful run, we rather pad it
+ * and start fresh.
+ */
+ if (limit && (limit - head < TRBE_TRACE_MIN_BUF_SIZE)) {
+ trbe_pad_buf(handle, limit - head);
+ limit = __trbe_normal_offset(handle);
+ }
+ return limit;
+}
+
+static unsigned long compute_trbe_buffer_limit(struct perf_output_handle *handle)
+{
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+ unsigned long offset;
+
+ if (buf->snapshot)
+ offset = trbe_snapshot_offset(handle);
+ else
+ offset = trbe_normal_offset(handle);
+ return buf->trbe_base + offset;
+}
+
+static void clr_trbe_status(void)
+{
+ u64 trbsr = read_sysreg_s(SYS_TRBSR_EL1);
+
+ WARN_ON(is_trbe_enabled());
+ trbsr &= ~TRBSR_IRQ;
+ trbsr &= ~TRBSR_TRG;
+ trbsr &= ~TRBSR_WRAP;
+ trbsr &= ~(TRBSR_EC_MASK << TRBSR_EC_SHIFT);
+ trbsr &= ~(TRBSR_BSC_MASK << TRBSR_BSC_SHIFT);
+ trbsr &= ~TRBSR_STOP;
+ write_sysreg_s(trbsr, SYS_TRBSR_EL1);
+}
+
+static void set_trbe_limit_pointer_enabled(unsigned long addr)
+{
+ u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+ WARN_ON(!IS_ALIGNED(addr, (1UL << TRBLIMITR_LIMIT_SHIFT)));
+ WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+
+ trblimitr &= ~TRBLIMITR_NVM;
+ trblimitr &= ~(TRBLIMITR_FILL_MODE_MASK << TRBLIMITR_FILL_MODE_SHIFT);
+ trblimitr &= ~(TRBLIMITR_TRIG_MODE_MASK << TRBLIMITR_TRIG_MODE_SHIFT);
+ trblimitr &= ~(TRBLIMITR_LIMIT_MASK << TRBLIMITR_LIMIT_SHIFT);
+
+ /*
+ * Fill trace buffer mode is used here while configuring the
+ * TRBE for trace capture. In this particular mode, the trace
+ * collection is stopped and a maintenance interrupt is raised
+ * when the current write pointer wraps. This pause in trace
+ * collection gives the software an opportunity to capture the
+ * trace data in the interrupt handler, before reconfiguring
+ * the TRBE.
+ */
+ trblimitr |= (TRBE_FILL_MODE_FILL & TRBLIMITR_FILL_MODE_MASK) << TRBLIMITR_FILL_MODE_SHIFT;
+
+ /*
+ * Trigger mode is not used here while configuring the TRBE for
+ * the trace capture. Hence just keep this in the ignore mode.
+ */
+ trblimitr |= (TRBE_TRIG_MODE_IGNORE & TRBLIMITR_TRIG_MODE_MASK) <<
+ TRBLIMITR_TRIG_MODE_SHIFT;
+ trblimitr |= (addr & PAGE_MASK);
+
+ trblimitr |= TRBLIMITR_ENABLE;
+ write_sysreg_s(trblimitr, SYS_TRBLIMITR_EL1);
+
+ /* Synchronize the TRBE enable event */
+ isb();
+}
+
+static void trbe_enable_hw(struct trbe_buf *buf)
+{
+ WARN_ON(buf->trbe_write < buf->trbe_base);
+ WARN_ON(buf->trbe_write >= buf->trbe_limit);
+ set_trbe_disabled();
+ isb();
+ clr_trbe_status();
+ set_trbe_base_pointer(buf->trbe_base);
+ set_trbe_write_pointer(buf->trbe_write);
+
+ /*
+ * Synchronize all the register updates
+ * till now before enabling the TRBE.
+ */
+ isb();
+ set_trbe_limit_pointer_enabled(buf->trbe_limit);
+}
+
+static enum trbe_fault_action trbe_get_fault_act(u64 trbsr)
+{
+ int ec = get_trbe_ec(trbsr);
+ int bsc = get_trbe_bsc(trbsr);
+
+ WARN_ON(is_trbe_running(trbsr));
+ if (is_trbe_trg(trbsr) || is_trbe_abort(trbsr))
+ return TRBE_FAULT_ACT_FATAL;
+
+ if ((ec == TRBE_EC_STAGE1_ABORT) || (ec == TRBE_EC_STAGE2_ABORT))
+ return TRBE_FAULT_ACT_FATAL;
+
+ if (is_trbe_wrap(trbsr) && (ec == TRBE_EC_OTHERS) && (bsc == TRBE_BSC_FILLED)) {
+ if (get_trbe_write_pointer() == get_trbe_base_pointer())
+ return TRBE_FAULT_ACT_WRAP;
+ }
+ return TRBE_FAULT_ACT_SPURIOUS;
+}
+
+static void *arm_trbe_alloc_buffer(struct coresight_device *csdev,
+ struct perf_event *event, void **pages,
+ int nr_pages, bool snapshot)
+{
+ struct trbe_buf *buf;
+ struct page **pglist;
+ int i;
+
+ /*
+ * TRBE LIMIT and TRBE WRITE pointers must be page aligned. But with
+ * just a single page, there would not be any room left while writing
+ * into a partially filled TRBE buffer after the page size alignment.
+ * Hence restrict the minimum buffer size as two pages.
+ */
+ if (nr_pages < 2)
+ return NULL;
+
+ buf = kzalloc_node(sizeof(*buf), GFP_KERNEL, trbe_alloc_node(event));
+ if (!buf)
+ return ERR_PTR(-ENOMEM);
+
+ pglist = kcalloc(nr_pages, sizeof(*pglist), GFP_KERNEL);
+ if (!pglist) {
+ kfree(buf);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ for (i = 0; i < nr_pages; i++)
+ pglist[i] = virt_to_page(pages[i]);
+
+ buf->trbe_base = (unsigned long)vmap(pglist, nr_pages, VM_MAP, PAGE_KERNEL);
+ if (!buf->trbe_base) {
+ kfree(pglist);
+ kfree(buf);
+ return ERR_PTR(-ENOMEM);
+ }
+ buf->trbe_limit = buf->trbe_base + nr_pages * PAGE_SIZE;
+ buf->trbe_write = buf->trbe_base;
+ buf->snapshot = snapshot;
+ buf->nr_pages = nr_pages;
+ buf->pages = pages;
+ kfree(pglist);
+ return buf;
+}
+
+static void arm_trbe_free_buffer(void *config)
+{
+ struct trbe_buf *buf = config;
+
+ vunmap((void *)buf->trbe_base);
+ kfree(buf);
+}
+
+static unsigned long arm_trbe_update_buffer(struct coresight_device *csdev,
+ struct perf_output_handle *handle,
+ void *config)
+{
+ struct trbe_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+ struct trbe_cpudata *cpudata = dev_get_drvdata(&csdev->dev);
+ struct trbe_buf *buf = config;
+ enum trbe_fault_action act;
+ unsigned long size, offset;
+ unsigned long write, base, status;
+ unsigned long flags;
+
+ WARN_ON(buf->cpudata != cpudata);
+ WARN_ON(cpudata->cpu != smp_processor_id());
+ WARN_ON(cpudata->drvdata != drvdata);
+ if (cpudata->mode != CS_MODE_PERF)
+ return 0;
+
+ perf_aux_output_flag(handle, PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW);
+
+ /*
+ * We are about to disable the TRBE. And this could in turn
+ * fill up the buffer triggering, an IRQ. This could be consumed
+ * by the PE asynchronously, causing a race here against
+ * the IRQ handler in closing out the handle. So, let us
+ * make sure the IRQ can't trigger while we are collecting
+ * the buffer. We also make sure that a WRAP event is handled
+ * accordingly.
+ */
+ local_irq_save(flags);
+
+ /*
+ * If the TRBE was disabled due to lack of space in the AUX buffer or a
+ * spurious fault, the driver leaves it disabled, truncating the buffer.
+ * Since the etm_perf driver expects to close out the AUX buffer, the
+ * driver skips it. Thus, just pass in 0 size here to indicate that the
+ * buffer was truncated.
+ */
+ if (!is_trbe_enabled()) {
+ size = 0;
+ goto done;
+ }
+ /*
+ * perf handle structure needs to be shared with the TRBE IRQ handler for
+ * capturing trace data and restarting the handle. There is a probability
+ * of an undefined reference based crash when etm event is being stopped
+ * while a TRBE IRQ also getting processed. This happens due the release
+ * of perf handle via perf_aux_output_end() in etm_event_stop(). Stopping
+ * the TRBE here will ensure that no IRQ could be generated when the perf
+ * handle gets freed in etm_event_stop().
+ */
+ trbe_drain_and_disable_local();
+ write = get_trbe_write_pointer();
+ base = get_trbe_base_pointer();
+
+ /* Check if there is a pending interrupt and handle it here */
+ status = read_sysreg_s(SYS_TRBSR_EL1);
+ if (is_trbe_irq(status)) {
+
+ /*
+ * Now that we are handling the IRQ here, clear the IRQ
+ * from the status, to let the irq handler know that it
+ * is taken care of.
+ */
+ clr_trbe_irq();
+ isb();
+
+ act = trbe_get_fault_act(status);
+ /*
+ * If this was not due to a WRAP event, we have some
+ * errors and as such buffer is empty.
+ */
+ if (act != TRBE_FAULT_ACT_WRAP) {
+ size = 0;
+ goto done;
+ }
+
+ /*
+ * Otherwise, the buffer is full and the write pointer
+ * has reached base. Adjust this back to the Limit pointer
+ * for correct size. Also, mark the buffer truncated.
+ */
+ write = get_trbe_limit_pointer();
+ perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
+ }
+
+ offset = write - base;
+ if (WARN_ON_ONCE(offset < PERF_IDX2OFF(handle->head, buf)))
+ size = 0;
+ else
+ size = offset - PERF_IDX2OFF(handle->head, buf);
+
+done:
+ local_irq_restore(flags);
+
+ if (buf->snapshot)
+ handle->head += size;
+ return size;
+}
+
+static int arm_trbe_enable(struct coresight_device *csdev, u32 mode, void *data)
+{
+ struct trbe_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+ struct trbe_cpudata *cpudata = dev_get_drvdata(&csdev->dev);
+ struct perf_output_handle *handle = data;
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+ WARN_ON(cpudata->cpu != smp_processor_id());
+ WARN_ON(cpudata->drvdata != drvdata);
+ if (mode != CS_MODE_PERF)
+ return -EINVAL;
+
+ *this_cpu_ptr(drvdata->handle) = handle;
+ cpudata->buf = buf;
+ cpudata->mode = mode;
+ buf->cpudata = cpudata;
+ buf->trbe_limit = compute_trbe_buffer_limit(handle);
+ buf->trbe_write = buf->trbe_base + PERF_IDX2OFF(handle->head, buf);
+ if (buf->trbe_limit == buf->trbe_base) {
+ trbe_stop_and_truncate_event(handle);
+ return 0;
+ }
+ trbe_enable_hw(buf);
+ return 0;
+}
+
+static int arm_trbe_disable(struct coresight_device *csdev)
+{
+ struct trbe_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+ struct trbe_cpudata *cpudata = dev_get_drvdata(&csdev->dev);
+ struct trbe_buf *buf = cpudata->buf;
+
+ WARN_ON(buf->cpudata != cpudata);
+ WARN_ON(cpudata->cpu != smp_processor_id());
+ WARN_ON(cpudata->drvdata != drvdata);
+ if (cpudata->mode != CS_MODE_PERF)
+ return -EINVAL;
+
+ trbe_drain_and_disable_local();
+ buf->cpudata = NULL;
+ cpudata->buf = NULL;
+ cpudata->mode = CS_MODE_DISABLED;
+ return 0;
+}
+
+static void trbe_handle_spurious(struct perf_output_handle *handle)
+{
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+
+ buf->trbe_limit = compute_trbe_buffer_limit(handle);
+ buf->trbe_write = buf->trbe_base + PERF_IDX2OFF(handle->head, buf);
+ if (buf->trbe_limit == buf->trbe_base) {
+ trbe_drain_and_disable_local();
+ return;
+ }
+ trbe_enable_hw(buf);
+}
+
+static void trbe_handle_overflow(struct perf_output_handle *handle)
+{
+ struct perf_event *event = handle->event;
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+ unsigned long offset, size;
+ struct etm_event_data *event_data;
+
+ offset = get_trbe_limit_pointer() - get_trbe_base_pointer();
+ size = offset - PERF_IDX2OFF(handle->head, buf);
+ if (buf->snapshot)
+ handle->head += size;
+
+ /*
+ * Mark the buffer as truncated, as we have stopped the trace
+ * collection upon the WRAP event, without stopping the source.
+ */
+ perf_aux_output_flag(handle, PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW |
+ PERF_AUX_FLAG_TRUNCATED);
+ perf_aux_output_end(handle, size);
+ event_data = perf_aux_output_begin(handle, event);
+ if (!event_data) {
+ /*
+ * We are unable to restart the trace collection,
+ * thus leave the TRBE disabled. The etm-perf driver
+ * is able to detect this with a disconnected handle
+ * (handle->event = NULL).
+ */
+ trbe_drain_and_disable_local();
+ *this_cpu_ptr(buf->cpudata->drvdata->handle) = NULL;
+ return;
+ }
+ buf->trbe_limit = compute_trbe_buffer_limit(handle);
+ buf->trbe_write = buf->trbe_base + PERF_IDX2OFF(handle->head, buf);
+ if (buf->trbe_limit == buf->trbe_base) {
+ trbe_stop_and_truncate_event(handle);
+ return;
+ }
+ *this_cpu_ptr(buf->cpudata->drvdata->handle) = handle;
+ trbe_enable_hw(buf);
+}
+
+static bool is_perf_trbe(struct perf_output_handle *handle)
+{
+ struct trbe_buf *buf = etm_perf_sink_config(handle);
+ struct trbe_cpudata *cpudata = buf->cpudata;
+ struct trbe_drvdata *drvdata = cpudata->drvdata;
+ int cpu = smp_processor_id();
+
+ WARN_ON(buf->trbe_base != get_trbe_base_pointer());
+ WARN_ON(buf->trbe_limit != get_trbe_limit_pointer());
+
+ if (cpudata->mode != CS_MODE_PERF)
+ return false;
+
+ if (cpudata->cpu != cpu)
+ return false;
+
+ if (!cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+ return false;
+
+ return true;
+}
+
+static irqreturn_t arm_trbe_irq_handler(int irq, void *dev)
+{
+ struct perf_output_handle **handle_ptr = dev;
+ struct perf_output_handle *handle = *handle_ptr;
+ enum trbe_fault_action act;
+ u64 status;
+
+ /*
+ * Ensure the trace is visible to the CPUs and
+ * any external aborts have been resolved.
+ */
+ trbe_drain_and_disable_local();
+
+ status = read_sysreg_s(SYS_TRBSR_EL1);
+ /*
+ * If the pending IRQ was handled by update_buffer callback
+ * we have nothing to do here.
+ */
+ if (!is_trbe_irq(status))
+ return IRQ_NONE;
+
+ clr_trbe_irq();
+ isb();
+
+ if (WARN_ON_ONCE(!handle) || !perf_get_aux(handle))
+ return IRQ_NONE;
+
+ if (!is_perf_trbe(handle))
+ return IRQ_NONE;
+
+ /*
+ * Ensure perf callbacks have completed, which may disable
+ * the trace buffer in response to a TRUNCATION flag.
+ */
+ irq_work_run();
+
+ act = trbe_get_fault_act(status);
+ switch (act) {
+ case TRBE_FAULT_ACT_WRAP:
+ trbe_handle_overflow(handle);
+ break;
+ case TRBE_FAULT_ACT_SPURIOUS:
+ trbe_handle_spurious(handle);
+ break;
+ case TRBE_FAULT_ACT_FATAL:
+ trbe_stop_and_truncate_event(handle);
+ break;
+ }
+ return IRQ_HANDLED;
+}
+
+static const struct coresight_ops_sink arm_trbe_sink_ops = {
+ .enable = arm_trbe_enable,
+ .disable = arm_trbe_disable,
+ .alloc_buffer = arm_trbe_alloc_buffer,
+ .free_buffer = arm_trbe_free_buffer,
+ .update_buffer = arm_trbe_update_buffer,
+};
+
+static const struct coresight_ops arm_trbe_cs_ops = {
+ .sink_ops = &arm_trbe_sink_ops,
+};
+
+static ssize_t align_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct trbe_cpudata *cpudata = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%llx\n", cpudata->trbe_align);
+}
+static DEVICE_ATTR_RO(align);
+
+static ssize_t flag_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct trbe_cpudata *cpudata = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", cpudata->trbe_flag);
+}
+static DEVICE_ATTR_RO(flag);
+
+static struct attribute *arm_trbe_attrs[] = {
+ &dev_attr_align.attr,
+ &dev_attr_flag.attr,
+ NULL,
+};
+
+static const struct attribute_group arm_trbe_group = {
+ .attrs = arm_trbe_attrs,
+};
+
+static const struct attribute_group *arm_trbe_groups[] = {
+ &arm_trbe_group,
+ NULL,
+};
+
+static void arm_trbe_enable_cpu(void *info)
+{
+ struct trbe_drvdata *drvdata = info;
+
+ trbe_reset_local();
+ enable_percpu_irq(drvdata->irq, IRQ_TYPE_NONE);
+}
+
+static void arm_trbe_register_coresight_cpu(struct trbe_drvdata *drvdata, int cpu)
+{
+ struct trbe_cpudata *cpudata = per_cpu_ptr(drvdata->cpudata, cpu);
+ struct coresight_device *trbe_csdev = coresight_get_percpu_sink(cpu);
+ struct coresight_desc desc = { 0 };
+ struct device *dev;
+
+ if (WARN_ON(trbe_csdev))
+ return;
+
+ dev = &cpudata->drvdata->pdev->dev;
+ desc.name = devm_kasprintf(dev, GFP_KERNEL, "trbe%d", cpu);
+ if (!desc.name)
+ goto cpu_clear;
+
+ desc.type = CORESIGHT_DEV_TYPE_SINK;
+ desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM;
+ desc.ops = &arm_trbe_cs_ops;
+ desc.pdata = dev_get_platdata(dev);
+ desc.groups = arm_trbe_groups;
+ desc.dev = dev;
+ trbe_csdev = coresight_register(&desc);
+ if (IS_ERR(trbe_csdev))
+ goto cpu_clear;
+
+ dev_set_drvdata(&trbe_csdev->dev, cpudata);
+ coresight_set_percpu_sink(cpu, trbe_csdev);
+ return;
+cpu_clear:
+ cpumask_clear_cpu(cpu, &drvdata->supported_cpus);
+}
+
+static void arm_trbe_probe_cpu(void *info)
+{
+ struct trbe_drvdata *drvdata = info;
+ int cpu = smp_processor_id();
+ struct trbe_cpudata *cpudata = per_cpu_ptr(drvdata->cpudata, cpu);
+ u64 trbidr;
+
+ if (WARN_ON(!cpudata))
+ goto cpu_clear;
+
+ if (!is_trbe_available()) {
+ pr_err("TRBE is not implemented on cpu %d\n", cpu);
+ goto cpu_clear;
+ }
+
+ trbidr = read_sysreg_s(SYS_TRBIDR_EL1);
+ if (!is_trbe_programmable(trbidr)) {
+ pr_err("TRBE is owned in higher exception level on cpu %d\n", cpu);
+ goto cpu_clear;
+ }
+
+ cpudata->trbe_align = 1ULL << get_trbe_address_align(trbidr);
+ if (cpudata->trbe_align > SZ_2K) {
+ pr_err("Unsupported alignment on cpu %d\n", cpu);
+ goto cpu_clear;
+ }
+ cpudata->trbe_flag = get_trbe_flag_update(trbidr);
+ cpudata->cpu = cpu;
+ cpudata->drvdata = drvdata;
+ return;
+cpu_clear:
+ cpumask_clear_cpu(cpu, &drvdata->supported_cpus);
+}
+
+static void arm_trbe_remove_coresight_cpu(void *info)
+{
+ int cpu = smp_processor_id();
+ struct trbe_drvdata *drvdata = info;
+ struct trbe_cpudata *cpudata = per_cpu_ptr(drvdata->cpudata, cpu);
+ struct coresight_device *trbe_csdev = coresight_get_percpu_sink(cpu);
+
+ disable_percpu_irq(drvdata->irq);
+ trbe_reset_local();
+ if (trbe_csdev) {
+ coresight_unregister(trbe_csdev);
+ cpudata->drvdata = NULL;
+ coresight_set_percpu_sink(cpu, NULL);
+ }
+}
+
+static int arm_trbe_probe_coresight(struct trbe_drvdata *drvdata)
+{
+ int cpu;
+
+ drvdata->cpudata = alloc_percpu(typeof(*drvdata->cpudata));
+ if (!drvdata->cpudata)
+ return -ENOMEM;
+
+ for_each_cpu(cpu, &drvdata->supported_cpus) {
+ smp_call_function_single(cpu, arm_trbe_probe_cpu, drvdata, 1);
+ if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+ arm_trbe_register_coresight_cpu(drvdata, cpu);
+ if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+ smp_call_function_single(cpu, arm_trbe_enable_cpu, drvdata, 1);
+ }
+ return 0;
+}
+
+static int arm_trbe_remove_coresight(struct trbe_drvdata *drvdata)
+{
+ int cpu;
+
+ for_each_cpu(cpu, &drvdata->supported_cpus)
+ smp_call_function_single(cpu, arm_trbe_remove_coresight_cpu, drvdata, 1);
+ free_percpu(drvdata->cpudata);
+ return 0;
+}
+
+static int arm_trbe_cpu_startup(unsigned int cpu, struct hlist_node *node)
+{
+ struct trbe_drvdata *drvdata = hlist_entry_safe(node, struct trbe_drvdata, hotplug_node);
+
+ if (cpumask_test_cpu(cpu, &drvdata->supported_cpus)) {
+
+ /*
+ * If this CPU was not probed for TRBE,
+ * initialize it now.
+ */
+ if (!coresight_get_percpu_sink(cpu)) {
+ arm_trbe_probe_cpu(drvdata);
+ if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+ arm_trbe_register_coresight_cpu(drvdata, cpu);
+ if (cpumask_test_cpu(cpu, &drvdata->supported_cpus))
+ arm_trbe_enable_cpu(drvdata);
+ } else {
+ arm_trbe_enable_cpu(drvdata);
+ }
+ }
+ return 0;
+}
+
+static int arm_trbe_cpu_teardown(unsigned int cpu, struct hlist_node *node)
+{
+ struct trbe_drvdata *drvdata = hlist_entry_safe(node, struct trbe_drvdata, hotplug_node);
+
+ if (cpumask_test_cpu(cpu, &drvdata->supported_cpus)) {
+ disable_percpu_irq(drvdata->irq);
+ trbe_reset_local();
+ }
+ return 0;
+}
+
+static int arm_trbe_probe_cpuhp(struct trbe_drvdata *drvdata)
+{
+ enum cpuhp_state trbe_online;
+ int ret;
+
+ trbe_online = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, DRVNAME,
+ arm_trbe_cpu_startup, arm_trbe_cpu_teardown);
+ if (trbe_online < 0)
+ return trbe_online;
+
+ ret = cpuhp_state_add_instance(trbe_online, &drvdata->hotplug_node);
+ if (ret) {
+ cpuhp_remove_multi_state(trbe_online);
+ return ret;
+ }
+ drvdata->trbe_online = trbe_online;
+ return 0;
+}
+
+static void arm_trbe_remove_cpuhp(struct trbe_drvdata *drvdata)
+{
+ cpuhp_remove_multi_state(drvdata->trbe_online);
+}
+
+static int arm_trbe_probe_irq(struct platform_device *pdev,
+ struct trbe_drvdata *drvdata)
+{
+ int ret;
+
+ drvdata->irq = platform_get_irq(pdev, 0);
+ if (drvdata->irq < 0) {
+ pr_err("IRQ not found for the platform device\n");
+ return drvdata->irq;
+ }
+
+ if (!irq_is_percpu(drvdata->irq)) {
+ pr_err("IRQ is not a PPI\n");
+ return -EINVAL;
+ }
+
+ if (irq_get_percpu_devid_partition(drvdata->irq, &drvdata->supported_cpus))
+ return -EINVAL;
+
+ drvdata->handle = alloc_percpu(struct perf_output_handle *);
+ if (!drvdata->handle)
+ return -ENOMEM;
+
+ ret = request_percpu_irq(drvdata->irq, arm_trbe_irq_handler, DRVNAME, drvdata->handle);
+ if (ret) {
+ free_percpu(drvdata->handle);
+ return ret;
+ }
+ return 0;
+}
+
+static void arm_trbe_remove_irq(struct trbe_drvdata *drvdata)
+{
+ free_percpu_irq(drvdata->irq, drvdata->handle);
+ free_percpu(drvdata->handle);
+}
+
+static int arm_trbe_device_probe(struct platform_device *pdev)
+{
+ struct coresight_platform_data *pdata;
+ struct trbe_drvdata *drvdata;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
+ if (!drvdata)
+ return -ENOMEM;
+
+ pdata = coresight_get_platform_data(dev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+
+ dev_set_drvdata(dev, drvdata);
+ dev->platform_data = pdata;
+ drvdata->pdev = pdev;
+ ret = arm_trbe_probe_irq(pdev, drvdata);
+ if (ret)
+ return ret;
+
+ ret = arm_trbe_probe_coresight(drvdata);
+ if (ret)
+ goto probe_failed;
+
+ ret = arm_trbe_probe_cpuhp(drvdata);
+ if (ret)
+ goto cpuhp_failed;
+
+ return 0;
+cpuhp_failed:
+ arm_trbe_remove_coresight(drvdata);
+probe_failed:
+ arm_trbe_remove_irq(drvdata);
+ return ret;
+}
+
+static int arm_trbe_device_remove(struct platform_device *pdev)
+{
+ struct trbe_drvdata *drvdata = platform_get_drvdata(pdev);
+
+ arm_trbe_remove_cpuhp(drvdata);
+ arm_trbe_remove_coresight(drvdata);
+ arm_trbe_remove_irq(drvdata);
+ return 0;
+}
+
+static const struct of_device_id arm_trbe_of_match[] = {
+ { .compatible = "arm,trace-buffer-extension"},
+ {},
+};
+MODULE_DEVICE_TABLE(of, arm_trbe_of_match);
+
+static struct platform_driver arm_trbe_driver = {
+ .driver = {
+ .name = DRVNAME,
+ .of_match_table = of_match_ptr(arm_trbe_of_match),
+ .suppress_bind_attrs = true,
+ },
+ .probe = arm_trbe_device_probe,
+ .remove = arm_trbe_device_remove,
+};
+
+static int __init arm_trbe_init(void)
+{
+ int ret;
+
+ if (arm64_kernel_unmapped_at_el0()) {
+ pr_err("TRBE wouldn't work if kernel gets unmapped at EL0\n");
+ return -EOPNOTSUPP;
+ }
+
+ ret = platform_driver_register(&arm_trbe_driver);
+ if (!ret)
+ return 0;
+
+ pr_err("Error registering %s platform driver\n", DRVNAME);
+ return ret;
+}
+
+static void __exit arm_trbe_exit(void)
+{
+ platform_driver_unregister(&arm_trbe_driver);
+}
+module_init(arm_trbe_init);
+module_exit(arm_trbe_exit);
+
+MODULE_AUTHOR("Anshuman Khandual <anshuman.khandual@arm.com>");
+MODULE_DESCRIPTION("Arm Trace Buffer Extension (TRBE) driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hwtracing/coresight/coresight-trbe.h b/drivers/hwtracing/coresight/coresight-trbe.h
new file mode 100644
index 0000000..abf3e36
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-trbe.h
@@ -0,0 +1,152 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This contains all required hardware related helper functions for
+ * Trace Buffer Extension (TRBE) driver in the coresight framework.
+ *
+ * Copyright (C) 2020 ARM Ltd.
+ *
+ * Author: Anshuman Khandual <anshuman.khandual@arm.com>
+ */
+#include <linux/coresight.h>
+#include <linux/device.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/smp.h>
+
+#include "coresight-etm-perf.h"
+
+static inline bool is_trbe_available(void)
+{
+ u64 aa64dfr0 = read_sysreg_s(SYS_ID_AA64DFR0_EL1);
+ unsigned int trbe = cpuid_feature_extract_unsigned_field(aa64dfr0, ID_AA64DFR0_TRBE_SHIFT);
+
+ return trbe >= 0b0001;
+}
+
+static inline bool is_trbe_enabled(void)
+{
+ u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+ return trblimitr & TRBLIMITR_ENABLE;
+}
+
+#define TRBE_EC_OTHERS 0
+#define TRBE_EC_STAGE1_ABORT 36
+#define TRBE_EC_STAGE2_ABORT 37
+
+static inline int get_trbe_ec(u64 trbsr)
+{
+ return (trbsr >> TRBSR_EC_SHIFT) & TRBSR_EC_MASK;
+}
+
+#define TRBE_BSC_NOT_STOPPED 0
+#define TRBE_BSC_FILLED 1
+#define TRBE_BSC_TRIGGERED 2
+
+static inline int get_trbe_bsc(u64 trbsr)
+{
+ return (trbsr >> TRBSR_BSC_SHIFT) & TRBSR_BSC_MASK;
+}
+
+static inline void clr_trbe_irq(void)
+{
+ u64 trbsr = read_sysreg_s(SYS_TRBSR_EL1);
+
+ trbsr &= ~TRBSR_IRQ;
+ write_sysreg_s(trbsr, SYS_TRBSR_EL1);
+}
+
+static inline bool is_trbe_irq(u64 trbsr)
+{
+ return trbsr & TRBSR_IRQ;
+}
+
+static inline bool is_trbe_trg(u64 trbsr)
+{
+ return trbsr & TRBSR_TRG;
+}
+
+static inline bool is_trbe_wrap(u64 trbsr)
+{
+ return trbsr & TRBSR_WRAP;
+}
+
+static inline bool is_trbe_abort(u64 trbsr)
+{
+ return trbsr & TRBSR_ABORT;
+}
+
+static inline bool is_trbe_running(u64 trbsr)
+{
+ return !(trbsr & TRBSR_STOP);
+}
+
+#define TRBE_TRIG_MODE_STOP 0
+#define TRBE_TRIG_MODE_IRQ 1
+#define TRBE_TRIG_MODE_IGNORE 3
+
+#define TRBE_FILL_MODE_FILL 0
+#define TRBE_FILL_MODE_WRAP 1
+#define TRBE_FILL_MODE_CIRCULAR_BUFFER 3
+
+static inline void set_trbe_disabled(void)
+{
+ u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+
+ trblimitr &= ~TRBLIMITR_ENABLE;
+ write_sysreg_s(trblimitr, SYS_TRBLIMITR_EL1);
+}
+
+static inline bool get_trbe_flag_update(u64 trbidr)
+{
+ return trbidr & TRBIDR_FLAG;
+}
+
+static inline bool is_trbe_programmable(u64 trbidr)
+{
+ return !(trbidr & TRBIDR_PROG);
+}
+
+static inline int get_trbe_address_align(u64 trbidr)
+{
+ return (trbidr >> TRBIDR_ALIGN_SHIFT) & TRBIDR_ALIGN_MASK;
+}
+
+static inline unsigned long get_trbe_write_pointer(void)
+{
+ return read_sysreg_s(SYS_TRBPTR_EL1);
+}
+
+static inline void set_trbe_write_pointer(unsigned long addr)
+{
+ WARN_ON(is_trbe_enabled());
+ write_sysreg_s(addr, SYS_TRBPTR_EL1);
+}
+
+static inline unsigned long get_trbe_limit_pointer(void)
+{
+ u64 trblimitr = read_sysreg_s(SYS_TRBLIMITR_EL1);
+ unsigned long addr = trblimitr & (TRBLIMITR_LIMIT_MASK << TRBLIMITR_LIMIT_SHIFT);
+
+ WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+ return addr;
+}
+
+static inline unsigned long get_trbe_base_pointer(void)
+{
+ u64 trbbaser = read_sysreg_s(SYS_TRBBASER_EL1);
+ unsigned long addr = trbbaser & (TRBBASER_BASE_MASK << TRBBASER_BASE_SHIFT);
+
+ WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+ return addr;
+}
+
+static inline void set_trbe_base_pointer(unsigned long addr)
+{
+ WARN_ON(is_trbe_enabled());
+ WARN_ON(!IS_ALIGNED(addr, (1UL << TRBBASER_BASE_SHIFT)));
+ WARN_ON(!IS_ALIGNED(addr, PAGE_SIZE));
+ write_sysreg_s(addr, SYS_TRBBASER_EL1);
+}
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index d4b1b08..a3363b2 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -1055,7 +1055,7 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int nmk_i2c_remove(struct amba_device *adev)
+static void nmk_i2c_remove(struct amba_device *adev)
{
struct resource *res = &adev->res;
struct nmk_i2c_dev *dev = amba_get_drvdata(adev);
@@ -1068,8 +1068,6 @@ static int nmk_i2c_remove(struct amba_device *adev)
i2c_clr_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
clk_disable_unprepare(dev->clk);
release_mem_region(res->start, resource_size(res));
-
- return 0;
}
static struct i2c_vendor_data vendor_stn8815 = {
diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c
index 3ed74aa..2088009 100644
--- a/drivers/i2c/i2c-core-of.c
+++ b/drivers/i2c/i2c-core-of.c
@@ -16,6 +16,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/sysfs.h>
+#include <trace/hooks/i2c.h>
#include "i2c-core.h"
@@ -32,6 +33,8 @@ int of_i2c_get_board_info(struct device *dev, struct device_node *node,
return -EINVAL;
}
+ trace_android_vh_of_i2c_get_board_info(node, &(info->dev_name));
+
ret = of_property_read_u32(node, "reg", &addr);
if (ret) {
dev_err(dev, "of_i2c: invalid reg on %pOF\n", node);
diff --git a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c
index 29d7126..d399523 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c
+++ b/drivers/infiniband/hw/usnic/usnic_uiom_interval_tree.c
@@ -83,8 +83,7 @@ usnic_uiom_interval_node_alloc(long int start, long int last, int ref_cnt,
return interval;
}
-static int interval_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int interval_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct usnic_uiom_interval_node *node_a, *node_b;
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index ecdeca1..4408245 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -159,7 +159,7 @@ static int amba_kmi_probe(struct amba_device *dev,
return ret;
}
-static int amba_kmi_remove(struct amba_device *dev)
+static void amba_kmi_remove(struct amba_device *dev)
{
struct amba_kmi_port *kmi = amba_get_drvdata(dev);
@@ -168,7 +168,6 @@ static int amba_kmi_remove(struct amba_device *dev)
iounmap(kmi->base);
kfree(kmi);
amba_release_regions(dev);
- return 0;
}
static int __maybe_unused amba_kmi_resume(struct device *dev)
diff --git a/drivers/interconnect/qcom/bcm-voter.c b/drivers/interconnect/qcom/bcm-voter.c
index 3c08090..dd0e3bd 100644
--- a/drivers/interconnect/qcom/bcm-voter.c
+++ b/drivers/interconnect/qcom/bcm-voter.c
@@ -39,7 +39,7 @@ struct bcm_voter {
u32 tcs_wait;
};
-static int cmp_vcd(void *priv, const struct list_head *a, const struct list_head *b)
+static int cmp_vcd(void *priv, struct list_head *a, struct list_head *b)
{
const struct qcom_icc_bcm *bcm_a =
list_entry(a, struct qcom_icc_bcm, list);
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 04878ca..1e53bf1 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -11,6 +11,36 @@
config IOMMU_API
bool
+if IOMMU_IOVA
+
+config IOMMU_LIMIT_IOVA_ALIGNMENT
+ bool "Limit IOVA alignment"
+ help
+ When the IOVA framework applies IOVA alignment it aligns all
+ IOVAs to the smallest PAGE_SIZE order which is greater than or
+ equal to the requested IOVA size. This works fine for sizes up
+ to several MiB, but for larger sizes it results in address
+ space wastage and fragmentation. For example drivers with a 4
+ GiB IOVA space might run out of IOVA space when allocating
+ buffers great than 64 MiB.
+
+ Enable this option to impose a limit on the alignment of IOVAs.
+
+ If unsure, say N.
+
+config IOMMU_IOVA_ALIGNMENT
+ int "Maximum PAGE_SIZE order of alignment for IOVAs"
+ depends on IOMMU_LIMIT_IOVA_ALIGNMENT
+ range 4 9
+ default 9
+ help
+ With this parameter you can specify the maximum PAGE_SIZE order for
+ IOVAs. Larger IOVAs will be aligned only to this specified order.
+ The order is expressed a power of two multiplied by the PAGE_SIZE.
+
+ If unsure, leave the default value "9".
+endif
+
menuconfig IOMMU_SUPPORT
bool "IOMMU Hardware Support"
depends on MMU
@@ -248,6 +278,7 @@
config ARM_SMMU
tristate "ARM Ltd. System MMU (SMMU) Support"
depends on ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64)
+ depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
select ARM_DMA_USE_IOMMU if ARM
@@ -375,6 +406,7 @@
# Note: iommu drivers cannot (yet?) be built as modules
bool "Qualcomm IOMMU Support"
depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64)
+ depends on QCOM_SCM=y
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
select ARM_DMA_USE_IOMMU
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 7067b7c..58f1731 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -1741,16 +1741,9 @@ static void arm_smmu_tlb_inv_walk(unsigned long iova, size_t size,
arm_smmu_tlb_inv_range(iova, size, granule, false, cookie);
}
-static void arm_smmu_tlb_inv_leaf(unsigned long iova, size_t size,
- size_t granule, void *cookie)
-{
- arm_smmu_tlb_inv_range(iova, size, granule, true, cookie);
-}
-
static const struct iommu_flush_ops arm_smmu_flush_ops = {
.tlb_flush_all = arm_smmu_tlb_inv_context,
.tlb_flush_walk = arm_smmu_tlb_inv_walk,
- .tlb_flush_leaf = arm_smmu_tlb_inv_leaf,
.tlb_add_page = arm_smmu_tlb_inv_page_nosync,
};
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
index 88f17cc..d199b4b 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c
@@ -223,6 +223,9 @@ struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu)
of_device_is_compatible(np, "qcom,sm8250-smmu-500"))
return qcom_smmu_impl_init(smmu);
+ if (of_device_is_compatible(smmu->dev->of_node, "qcom,adreno-smmu"))
+ return qcom_adreno_smmu_impl_init(smmu);
+
if (of_device_is_compatible(np, "marvell,ap806-smmu-500"))
smmu->impl = &mrvl_mmu500_impl;
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 63f7173..a48bb51 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -3,6 +3,8 @@
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*/
+#include <linux/adreno-smmu-priv.h>
+#include <linux/bitfield.h>
#include <linux/of_device.h>
#include <linux/qcom_scm.h>
@@ -14,6 +16,171 @@ struct qcom_smmu {
u8 bypass_cbndx;
};
+static int qcom_sdm845_smmu500_cfg_probe(struct arm_smmu_device *smmu)
+{
+ u32 s2cr;
+ u32 smr;
+ int i;
+
+ for (i = 0; i < smmu->num_mapping_groups; i++) {
+ smr = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_SMR(i));
+ s2cr = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_S2CR(i));
+
+ smmu->smrs[i].mask = FIELD_GET(ARM_SMMU_SMR_MASK, smr);
+ smmu->smrs[i].id = FIELD_GET(ARM_SMMU_SMR_ID, smr);
+ if (smmu->features & ARM_SMMU_FEAT_EXIDS)
+ smmu->smrs[i].valid = FIELD_GET(
+ ARM_SMMU_S2CR_EXIDVALID,
+ s2cr);
+ else
+ smmu->smrs[i].valid = FIELD_GET(
+ ARM_SMMU_SMR_VALID,
+ smr);
+
+ smmu->s2crs[i].group = NULL;
+ smmu->s2crs[i].count = 0;
+ smmu->s2crs[i].type = FIELD_GET(ARM_SMMU_S2CR_TYPE, s2cr);
+ smmu->s2crs[i].privcfg = FIELD_GET(ARM_SMMU_S2CR_PRIVCFG, s2cr);
+ smmu->s2crs[i].cbndx = FIELD_GET(ARM_SMMU_S2CR_CBNDX, s2cr);
+
+ if (!smmu->smrs[i].valid)
+ continue;
+
+ smmu->s2crs[i].pinned = true;
+ bitmap_set(smmu->context_map, smmu->s2crs[i].cbndx, 1);
+ }
+
+ return 0;
+}
+
+#define QCOM_ADRENO_SMMU_GPU_SID 0
+
+static bool qcom_adreno_smmu_is_gpu_device(struct device *dev)
+{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
+ int i;
+
+ /*
+ * The GPU will always use SID 0 so that is a handy way to uniquely
+ * identify it and configure it for per-instance pagetables
+ */
+ for (i = 0; i < fwspec->num_ids; i++) {
+ u16 sid = FIELD_GET(ARM_SMMU_SMR_ID, fwspec->ids[i]);
+
+ if (sid == QCOM_ADRENO_SMMU_GPU_SID)
+ return true;
+ }
+
+ return false;
+}
+
+static const struct io_pgtable_cfg *qcom_adreno_smmu_get_ttbr1_cfg(
+ const void *cookie)
+{
+ struct arm_smmu_domain *smmu_domain = (void *)cookie;
+ struct io_pgtable *pgtable =
+ io_pgtable_ops_to_pgtable(smmu_domain->pgtbl_ops);
+ return &pgtable->cfg;
+}
+
+/*
+ * Local implementation to configure TTBR0 with the specified pagetable config.
+ * The GPU driver will call this to enable TTBR0 when per-instance pagetables
+ * are active
+ */
+
+static int qcom_adreno_smmu_set_ttbr0_cfg(const void *cookie,
+ const struct io_pgtable_cfg *pgtbl_cfg)
+{
+ struct arm_smmu_domain *smmu_domain = (void *)cookie;
+ struct io_pgtable *pgtable = io_pgtable_ops_to_pgtable(smmu_domain->pgtbl_ops);
+ struct arm_smmu_cfg *cfg = &smmu_domain->cfg;
+ struct arm_smmu_cb *cb = &smmu_domain->smmu->cbs[cfg->cbndx];
+
+ /* The domain must have split pagetables already enabled */
+ if (cb->tcr[0] & ARM_SMMU_TCR_EPD1)
+ return -EINVAL;
+
+ /* If the pagetable config is NULL, disable TTBR0 */
+ if (!pgtbl_cfg) {
+ /* Do nothing if it is already disabled */
+ if ((cb->tcr[0] & ARM_SMMU_TCR_EPD0))
+ return -EINVAL;
+
+ /* Set TCR to the original configuration */
+ cb->tcr[0] = arm_smmu_lpae_tcr(&pgtable->cfg);
+ cb->ttbr[0] = FIELD_PREP(ARM_SMMU_TTBRn_ASID, cb->cfg->asid);
+ } else {
+ u32 tcr = cb->tcr[0];
+
+ /* Don't call this again if TTBR0 is already enabled */
+ if (!(cb->tcr[0] & ARM_SMMU_TCR_EPD0))
+ return -EINVAL;
+
+ tcr |= arm_smmu_lpae_tcr(pgtbl_cfg);
+ tcr &= ~(ARM_SMMU_TCR_EPD0 | ARM_SMMU_TCR_EPD1);
+
+ cb->tcr[0] = tcr;
+ cb->ttbr[0] = pgtbl_cfg->arm_lpae_s1_cfg.ttbr;
+ cb->ttbr[0] |= FIELD_PREP(ARM_SMMU_TTBRn_ASID, cb->cfg->asid);
+ }
+
+ arm_smmu_write_context_bank(smmu_domain->smmu, cb->cfg->cbndx);
+
+ return 0;
+}
+
+static int qcom_adreno_smmu_alloc_context_bank(struct arm_smmu_domain *smmu_domain,
+ struct arm_smmu_device *smmu,
+ struct device *dev, int start)
+{
+ int count;
+
+ /*
+ * Assign context bank 0 to the GPU device so the GPU hardware can
+ * switch pagetables
+ */
+ if (qcom_adreno_smmu_is_gpu_device(dev)) {
+ start = 0;
+ count = 1;
+ } else {
+ start = 1;
+ count = smmu->num_context_banks;
+ }
+
+ return __arm_smmu_alloc_bitmap(smmu->context_map, start, count);
+}
+
+static int qcom_adreno_smmu_init_context(struct arm_smmu_domain *smmu_domain,
+ struct io_pgtable_cfg *pgtbl_cfg, struct device *dev)
+{
+ struct adreno_smmu_priv *priv;
+
+ /* Only enable split pagetables for the GPU device (SID 0) */
+ if (!qcom_adreno_smmu_is_gpu_device(dev))
+ return 0;
+
+ /*
+ * All targets that use the qcom,adreno-smmu compatible string *should*
+ * be AARCH64 stage 1 but double check because the arm-smmu code assumes
+ * that is the case when the TTBR1 quirk is enabled
+ */
+ if ((smmu_domain->stage == ARM_SMMU_DOMAIN_S1) &&
+ (smmu_domain->cfg.fmt == ARM_SMMU_CTX_FMT_AARCH64))
+ pgtbl_cfg->quirks |= IO_PGTABLE_QUIRK_ARM_TTBR1;
+
+ /*
+ * Initialize private interface with GPU:
+ */
+
+ priv = dev_get_drvdata(dev);
+ priv->cookie = smmu_domain;
+ priv->get_ttbr1_cfg = qcom_adreno_smmu_get_ttbr1_cfg;
+ priv->set_ttbr0_cfg = qcom_adreno_smmu_set_ttbr0_cfg;
+
+ return 0;
+}
+
static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu)
{
return container_of(smmu, struct qcom_smmu, smmu);
@@ -155,11 +322,20 @@ static int qcom_smmu500_reset(struct arm_smmu_device *smmu)
static const struct arm_smmu_impl qcom_smmu_impl = {
.cfg_probe = qcom_smmu_cfg_probe,
.def_domain_type = qcom_smmu_def_domain_type,
+ .cfg_probe = qcom_sdm845_smmu500_cfg_probe,
.reset = qcom_smmu500_reset,
.write_s2cr = qcom_smmu_write_s2cr,
};
-struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
+static const struct arm_smmu_impl qcom_adreno_smmu_impl = {
+ .init_context = qcom_adreno_smmu_init_context,
+ .def_domain_type = qcom_smmu_def_domain_type,
+ .reset = qcom_smmu500_reset,
+ .alloc_context_bank = qcom_adreno_smmu_alloc_context_bank,
+};
+
+static struct arm_smmu_device *qcom_smmu_create(struct arm_smmu_device *smmu,
+ const struct arm_smmu_impl *impl)
{
struct qcom_smmu *qsmmu;
@@ -173,8 +349,18 @@ struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
qsmmu->smmu = *smmu;
- qsmmu->smmu.impl = &qcom_smmu_impl;
+ qsmmu->smmu.impl = impl;
devm_kfree(smmu->dev, smmu);
return &qsmmu->smmu;
}
+
+struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
+{
+ return qcom_smmu_create(smmu, &qcom_smmu_impl);
+}
+
+struct arm_smmu_device *qcom_adreno_smmu_impl_init(struct arm_smmu_device *smmu)
+{
+ return qcom_smmu_create(smmu, &qcom_adreno_smmu_impl);
+}
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index df24bbe..6c9a693 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -333,14 +333,6 @@ static void arm_smmu_tlb_inv_walk_s1(unsigned long iova, size_t size,
arm_smmu_tlb_sync_context(cookie);
}
-static void arm_smmu_tlb_inv_leaf_s1(unsigned long iova, size_t size,
- size_t granule, void *cookie)
-{
- arm_smmu_tlb_inv_range_s1(iova, size, granule, cookie,
- ARM_SMMU_CB_S1_TLBIVAL);
- arm_smmu_tlb_sync_context(cookie);
-}
-
static void arm_smmu_tlb_add_page_s1(struct iommu_iotlb_gather *gather,
unsigned long iova, size_t granule,
void *cookie)
@@ -357,14 +349,6 @@ static void arm_smmu_tlb_inv_walk_s2(unsigned long iova, size_t size,
arm_smmu_tlb_sync_context(cookie);
}
-static void arm_smmu_tlb_inv_leaf_s2(unsigned long iova, size_t size,
- size_t granule, void *cookie)
-{
- arm_smmu_tlb_inv_range_s2(iova, size, granule, cookie,
- ARM_SMMU_CB_S2_TLBIIPAS2L);
- arm_smmu_tlb_sync_context(cookie);
-}
-
static void arm_smmu_tlb_add_page_s2(struct iommu_iotlb_gather *gather,
unsigned long iova, size_t granule,
void *cookie)
@@ -373,8 +357,8 @@ static void arm_smmu_tlb_add_page_s2(struct iommu_iotlb_gather *gather,
ARM_SMMU_CB_S2_TLBIIPAS2L);
}
-static void arm_smmu_tlb_inv_any_s2_v1(unsigned long iova, size_t size,
- size_t granule, void *cookie)
+static void arm_smmu_tlb_inv_walk_s2_v1(unsigned long iova, size_t size,
+ size_t granule, void *cookie)
{
arm_smmu_tlb_inv_context_s2(cookie);
}
@@ -401,21 +385,18 @@ static void arm_smmu_tlb_add_page_s2_v1(struct iommu_iotlb_gather *gather,
static const struct iommu_flush_ops arm_smmu_s1_tlb_ops = {
.tlb_flush_all = arm_smmu_tlb_inv_context_s1,
.tlb_flush_walk = arm_smmu_tlb_inv_walk_s1,
- .tlb_flush_leaf = arm_smmu_tlb_inv_leaf_s1,
.tlb_add_page = arm_smmu_tlb_add_page_s1,
};
static const struct iommu_flush_ops arm_smmu_s2_tlb_ops_v2 = {
.tlb_flush_all = arm_smmu_tlb_inv_context_s2,
.tlb_flush_walk = arm_smmu_tlb_inv_walk_s2,
- .tlb_flush_leaf = arm_smmu_tlb_inv_leaf_s2,
.tlb_add_page = arm_smmu_tlb_add_page_s2,
};
static const struct iommu_flush_ops arm_smmu_s2_tlb_ops_v1 = {
.tlb_flush_all = arm_smmu_tlb_inv_context_s2,
- .tlb_flush_walk = arm_smmu_tlb_inv_any_s2_v1,
- .tlb_flush_leaf = arm_smmu_tlb_inv_any_s2_v1,
+ .tlb_flush_walk = arm_smmu_tlb_inv_walk_s2_v1,
.tlb_add_page = arm_smmu_tlb_add_page_s2_v1,
};
@@ -1037,12 +1018,19 @@ static int arm_smmu_find_sme(struct arm_smmu_device *smmu, u16 id, u16 mask)
static bool arm_smmu_free_sme(struct arm_smmu_device *smmu, int idx)
{
+ bool pinned = smmu->s2crs[idx].pinned;
+ u8 cbndx = smmu->s2crs[idx].cbndx;
+
if (--smmu->s2crs[idx].count)
return false;
smmu->s2crs[idx] = s2cr_init_val;
- if (smmu->smrs)
+ if (pinned) {
+ smmu->s2crs[idx].pinned = true;
+ smmu->s2crs[idx].cbndx = cbndx;
+ } else if (smmu->smrs) {
smmu->smrs[idx].valid = false;
+ }
return true;
}
@@ -1130,6 +1118,10 @@ static int arm_smmu_domain_add_master(struct arm_smmu_domain *smmu_domain,
if (type == s2cr[idx].type && cbndx == s2cr[idx].cbndx)
continue;
+ /* Don't bypasss pinned streams; leave them as they are */
+ if (type == S2CR_TYPE_BYPASS && s2cr[idx].pinned)
+ continue;
+
s2cr[idx].type = type;
s2cr[idx].privcfg = S2CR_PRIVCFG_DEFAULT;
s2cr[idx].cbndx = cbndx;
@@ -1207,8 +1199,9 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
return ret;
}
-static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
- phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+static int arm_smmu_map_pages(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t paddr, size_t pgsize, size_t pgcount,
+ int prot, gfp_t gfp, size_t *mapped)
{
struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops;
struct arm_smmu_device *smmu = to_smmu_domain(domain)->smmu;
@@ -1218,14 +1211,15 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
return -ENODEV;
arm_smmu_rpm_get(smmu);
- ret = ops->map(ops, iova, paddr, size, prot, gfp);
+ ret = ops->map_pages(ops, iova, paddr, pgsize, pgcount, prot, gfp, mapped);
arm_smmu_rpm_put(smmu);
return ret;
}
-static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
- size_t size, struct iommu_iotlb_gather *gather)
+static size_t arm_smmu_unmap_pages(struct iommu_domain *domain, unsigned long iova,
+ size_t pgsize, size_t pgcount,
+ struct iommu_iotlb_gather *iotlb_gather)
{
struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops;
struct arm_smmu_device *smmu = to_smmu_domain(domain)->smmu;
@@ -1235,7 +1229,7 @@ static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
return 0;
arm_smmu_rpm_get(smmu);
- ret = ops->unmap(ops, iova, size, gather);
+ ret = ops->unmap_pages(ops, iova, pgsize, pgcount, iotlb_gather);
arm_smmu_rpm_put(smmu);
return ret;
@@ -1620,8 +1614,8 @@ static struct iommu_ops arm_smmu_ops = {
.domain_alloc = arm_smmu_domain_alloc,
.domain_free = arm_smmu_domain_free,
.attach_dev = arm_smmu_attach_dev,
- .map = arm_smmu_map,
- .unmap = arm_smmu_unmap,
+ .map_pages = arm_smmu_map_pages,
+ .unmap_pages = arm_smmu_unmap_pages,
.flush_iotlb_all = arm_smmu_flush_iotlb_all,
.iotlb_sync = arm_smmu_iotlb_sync,
.iova_to_phys = arm_smmu_iova_to_phys,
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.h b/drivers/iommu/arm/arm-smmu/arm-smmu.h
index b71647e..2797b2f 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.h
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.h
@@ -262,13 +262,13 @@ struct arm_smmu_s2cr {
enum arm_smmu_s2cr_type type;
enum arm_smmu_s2cr_privcfg privcfg;
u8 cbndx;
+ bool pinned;
};
struct arm_smmu_smr {
u16 mask;
u16 id;
bool valid;
- bool pinned;
};
struct arm_smmu_device {
@@ -521,6 +521,7 @@ static inline void arm_smmu_writeq(struct arm_smmu_device *smmu, int page,
struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu);
struct arm_smmu_device *nvidia_smmu_impl_init(struct arm_smmu_device *smmu);
struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu);
+struct arm_smmu_device *qcom_adreno_smmu_impl_init(struct arm_smmu_device *smmu);
void arm_smmu_write_context_bank(struct arm_smmu_device *smmu, int idx);
int arm_mmu500_reset(struct arm_smmu_device *smmu);
diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
index b30d6c9..7f280c8 100644
--- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c
+++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
@@ -185,13 +185,6 @@ static void qcom_iommu_tlb_flush_walk(unsigned long iova, size_t size,
qcom_iommu_tlb_sync(cookie);
}
-static void qcom_iommu_tlb_flush_leaf(unsigned long iova, size_t size,
- size_t granule, void *cookie)
-{
- qcom_iommu_tlb_inv_range_nosync(iova, size, granule, true, cookie);
- qcom_iommu_tlb_sync(cookie);
-}
-
static void qcom_iommu_tlb_add_page(struct iommu_iotlb_gather *gather,
unsigned long iova, size_t granule,
void *cookie)
@@ -202,7 +195,6 @@ static void qcom_iommu_tlb_add_page(struct iommu_iotlb_gather *gather,
static const struct iommu_flush_ops qcom_flush_ops = {
.tlb_flush_all = qcom_iommu_tlb_inv_context,
.tlb_flush_walk = qcom_iommu_tlb_flush_walk,
- .tlb_flush_leaf = qcom_iommu_tlb_flush_leaf,
.tlb_add_page = qcom_iommu_tlb_add_page,
};
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index d1539b7..2591b97 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -23,6 +23,7 @@
#include <linux/scatterlist.h>
#include <linux/vmalloc.h>
#include <linux/crash_dump.h>
+#include <trace/hooks/iommu.h>
struct iommu_dma_msi_page {
struct list_head list;
@@ -372,6 +373,52 @@ static int iommu_dma_deferred_attach(struct device *dev,
return 0;
}
+/*
+ * Should be called prior to using dma-apis
+ */
+int iommu_dma_reserve_iova(struct device *dev, dma_addr_t base,
+ u64 size)
+{
+ struct iommu_domain *domain;
+ struct iommu_dma_cookie *cookie;
+ struct iova_domain *iovad;
+ unsigned long pfn_lo, pfn_hi;
+
+ domain = iommu_get_domain_for_dev(dev);
+ if (!domain || !domain->iova_cookie)
+ return -EINVAL;
+
+ cookie = domain->iova_cookie;
+ iovad = &cookie->iovad;
+
+ /* iova will be freed automatically by put_iova_domain() */
+ pfn_lo = iova_pfn(iovad, base);
+ pfn_hi = iova_pfn(iovad, base + size - 1);
+ if (!reserve_iova(iovad, pfn_lo, pfn_hi))
+ return -EINVAL;
+
+ return 0;
+}
+EXPORT_SYMBOL(iommu_dma_reserve_iova);
+
+/*
+ * Should be called prior to using dma-apis.
+ */
+int iommu_dma_enable_best_fit_algo(struct device *dev)
+{
+ struct iommu_domain *domain;
+ struct iova_domain *iovad;
+
+ domain = iommu_get_domain_for_dev(dev);
+ if (!domain || !domain->iova_cookie)
+ return -EINVAL;
+
+ iovad = &((struct iommu_dma_cookie *)domain->iova_cookie)->iovad;
+ iovad->best_fit = true;
+ return 0;
+}
+EXPORT_SYMBOL(iommu_dma_enable_best_fit_algo);
+
/**
* dma_info_to_prot - Translate DMA API directions and attributes to IOMMU API
* page flags.
@@ -388,6 +435,10 @@ static int dma_info_to_prot(enum dma_data_direction dir, bool coherent,
if (attrs & DMA_ATTR_PRIVILEGED)
prot |= IOMMU_PRIV;
+ if (attrs & DMA_ATTR_SYS_CACHE_ONLY)
+ prot |= IOMMU_SYS_CACHE;
+ if (attrs & DMA_ATTR_SYS_CACHE_ONLY_NWA)
+ prot |= IOMMU_SYS_CACHE_NWA;
switch (dir) {
case DMA_BIDIRECTIONAL:
@@ -438,6 +489,9 @@ static dma_addr_t iommu_dma_alloc_iova(struct iommu_domain *domain,
iova = alloc_iova_fast(iovad, iova_len, dma_limit >> shift,
true);
+ trace_android_vh_iommu_alloc_iova(dev, (dma_addr_t)iova << shift, size);
+ trace_android_vh_iommu_iovad_alloc_iova(dev, iovad, (dma_addr_t)iova << shift, size);
+
return (dma_addr_t)iova << shift;
}
@@ -455,6 +509,9 @@ static void iommu_dma_free_iova(struct iommu_dma_cookie *cookie,
else
free_iova_fast(iovad, iova_pfn(iovad, iova),
size >> iova_shift(iovad));
+
+ trace_android_vh_iommu_free_iova(iova, size);
+ trace_android_vh_iommu_iovad_free_iova(iovad, iova, size);
}
static void __iommu_dma_unmap(struct device *dev, dma_addr_t dma_addr,
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index a688f22..6ed8f98 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -44,26 +44,25 @@
/*
* We have 32 bits total; 12 bits resolved at level 1, 8 bits at level 2,
- * and 12 bits in a page. With some carefully-chosen coefficients we can
- * hide the ugly inconsistencies behind these macros and at least let the
- * rest of the code pretend to be somewhat sane.
+ * and 12 bits in a page.
+ * MediaTek extend 2 bits to reach 34bits, 14 bits at lvl1 and 8 bits at lvl2.
*/
#define ARM_V7S_ADDR_BITS 32
-#define _ARM_V7S_LVL_BITS(lvl) (16 - (lvl) * 4)
-#define ARM_V7S_LVL_SHIFT(lvl) (ARM_V7S_ADDR_BITS - (4 + 8 * (lvl)))
+#define _ARM_V7S_LVL_BITS(lvl, cfg) ((lvl) == 1 ? ((cfg)->ias - 20) : 8)
+#define ARM_V7S_LVL_SHIFT(lvl) ((lvl) == 1 ? 20 : 12)
#define ARM_V7S_TABLE_SHIFT 10
-#define ARM_V7S_PTES_PER_LVL(lvl) (1 << _ARM_V7S_LVL_BITS(lvl))
-#define ARM_V7S_TABLE_SIZE(lvl) \
- (ARM_V7S_PTES_PER_LVL(lvl) * sizeof(arm_v7s_iopte))
+#define ARM_V7S_PTES_PER_LVL(lvl, cfg) (1 << _ARM_V7S_LVL_BITS(lvl, cfg))
+#define ARM_V7S_TABLE_SIZE(lvl, cfg) \
+ (ARM_V7S_PTES_PER_LVL(lvl, cfg) * sizeof(arm_v7s_iopte))
#define ARM_V7S_BLOCK_SIZE(lvl) (1UL << ARM_V7S_LVL_SHIFT(lvl))
#define ARM_V7S_LVL_MASK(lvl) ((u32)(~0U << ARM_V7S_LVL_SHIFT(lvl)))
#define ARM_V7S_TABLE_MASK ((u32)(~0U << ARM_V7S_TABLE_SHIFT))
-#define _ARM_V7S_IDX_MASK(lvl) (ARM_V7S_PTES_PER_LVL(lvl) - 1)
-#define ARM_V7S_LVL_IDX(addr, lvl) ({ \
+#define _ARM_V7S_IDX_MASK(lvl, cfg) (ARM_V7S_PTES_PER_LVL(lvl, cfg) - 1)
+#define ARM_V7S_LVL_IDX(addr, lvl, cfg) ({ \
int _l = lvl; \
- ((u32)(addr) >> ARM_V7S_LVL_SHIFT(_l)) & _ARM_V7S_IDX_MASK(_l); \
+ ((addr) >> ARM_V7S_LVL_SHIFT(_l)) & _ARM_V7S_IDX_MASK(_l, cfg); \
})
/*
@@ -112,9 +111,10 @@
#define ARM_V7S_TEX_MASK 0x7
#define ARM_V7S_ATTR_TEX(val) (((val) & ARM_V7S_TEX_MASK) << ARM_V7S_TEX_SHIFT)
-/* MediaTek extend the two bits for PA 32bit/33bit */
+/* MediaTek extend the bits below for PA 32bit/33bit/34bit */
#define ARM_V7S_ATTR_MTK_PA_BIT32 BIT(9)
#define ARM_V7S_ATTR_MTK_PA_BIT33 BIT(4)
+#define ARM_V7S_ATTR_MTK_PA_BIT34 BIT(5)
/* *well, except for TEX on level 2 large pages, of course :( */
#define ARM_V7S_CONT_PAGE_TEX_SHIFT 6
@@ -194,6 +194,8 @@ static arm_v7s_iopte paddr_to_iopte(phys_addr_t paddr, int lvl,
pte |= ARM_V7S_ATTR_MTK_PA_BIT32;
if (paddr & BIT_ULL(33))
pte |= ARM_V7S_ATTR_MTK_PA_BIT33;
+ if (paddr & BIT_ULL(34))
+ pte |= ARM_V7S_ATTR_MTK_PA_BIT34;
return pte;
}
@@ -218,6 +220,8 @@ static phys_addr_t iopte_to_paddr(arm_v7s_iopte pte, int lvl,
paddr |= BIT_ULL(32);
if (pte & ARM_V7S_ATTR_MTK_PA_BIT33)
paddr |= BIT_ULL(33);
+ if (pte & ARM_V7S_ATTR_MTK_PA_BIT34)
+ paddr |= BIT_ULL(34);
return paddr;
}
@@ -234,7 +238,7 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp,
struct device *dev = cfg->iommu_dev;
phys_addr_t phys;
dma_addr_t dma;
- size_t size = ARM_V7S_TABLE_SIZE(lvl);
+ size_t size = ARM_V7S_TABLE_SIZE(lvl, cfg);
void *table = NULL;
if (lvl == 1)
@@ -280,7 +284,7 @@ static void __arm_v7s_free_table(void *table, int lvl,
{
struct io_pgtable_cfg *cfg = &data->iop.cfg;
struct device *dev = cfg->iommu_dev;
- size_t size = ARM_V7S_TABLE_SIZE(lvl);
+ size_t size = ARM_V7S_TABLE_SIZE(lvl, cfg);
if (!cfg->coherent_walk)
dma_unmap_single(dev, __arm_v7s_dma_addr(table), size,
@@ -424,7 +428,7 @@ static int arm_v7s_init_pte(struct arm_v7s_io_pgtable *data,
arm_v7s_iopte *tblp;
size_t sz = ARM_V7S_BLOCK_SIZE(lvl);
- tblp = ptep - ARM_V7S_LVL_IDX(iova, lvl);
+ tblp = ptep - ARM_V7S_LVL_IDX(iova, lvl, cfg);
if (WARN_ON(__arm_v7s_unmap(data, NULL, iova + i * sz,
sz, lvl, tblp) != sz))
return -EINVAL;
@@ -477,7 +481,7 @@ static int __arm_v7s_map(struct arm_v7s_io_pgtable *data, unsigned long iova,
int num_entries = size >> ARM_V7S_LVL_SHIFT(lvl);
/* Find our entry at the current level */
- ptep += ARM_V7S_LVL_IDX(iova, lvl);
+ ptep += ARM_V7S_LVL_IDX(iova, lvl, cfg);
/* If we can install a leaf entry at this level, then do so */
if (num_entries)
@@ -515,12 +519,12 @@ static int __arm_v7s_map(struct arm_v7s_io_pgtable *data, unsigned long iova,
return __arm_v7s_map(data, iova, paddr, size, prot, lvl + 1, cptep, gfp);
}
-static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
- phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+static int arm_v7s_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
+ phys_addr_t paddr, size_t pgsize, size_t pgcount,
+ int prot, gfp_t gfp, size_t *mapped)
{
struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
- struct io_pgtable *iop = &data->iop;
- int ret;
+ int ret = -EINVAL;
/* If no access, then nothing to do */
if (!(prot & (IOMMU_READ | IOMMU_WRITE)))
@@ -530,27 +534,38 @@ static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
paddr >= (1ULL << data->iop.cfg.oas)))
return -ERANGE;
- ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd, gfp);
+ while (pgcount--) {
+ ret = __arm_v7s_map(data, iova, paddr, pgsize, prot, 1, data->pgd,
+ gfp);
+ if (ret)
+ break;
+
+ iova += pgsize;
+ paddr += pgsize;
+ if (mapped)
+ *mapped += pgsize;
+ }
/*
* Synchronise all PTE updates for the new mapping before there's
* a chance for anything to kick off a table walk for the new iova.
*/
- if (iop->cfg.quirks & IO_PGTABLE_QUIRK_TLBI_ON_MAP) {
- io_pgtable_tlb_flush_walk(iop, iova, size,
- ARM_V7S_BLOCK_SIZE(2));
- } else {
- wmb();
- }
+ wmb();
return ret;
}
+static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
+ phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+{
+ return arm_v7s_map_pages(ops, iova, paddr, size, 1, prot, gfp, NULL);
+}
+
static void arm_v7s_free_pgtable(struct io_pgtable *iop)
{
struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop);
int i;
- for (i = 0; i < ARM_V7S_PTES_PER_LVL(1); i++) {
+ for (i = 0; i < ARM_V7S_PTES_PER_LVL(1, &data->iop.cfg); i++) {
arm_v7s_iopte pte = data->pgd[i];
if (ARM_V7S_PTE_IS_TABLE(pte, 1))
@@ -584,7 +599,7 @@ static arm_v7s_iopte arm_v7s_split_cont(struct arm_v7s_io_pgtable *data,
__arm_v7s_pte_sync(ptep, ARM_V7S_CONT_PAGES, &iop->cfg);
size *= ARM_V7S_CONT_PAGES;
- io_pgtable_tlb_flush_leaf(iop, iova, size, size);
+ io_pgtable_tlb_flush_walk(iop, iova, size, size);
return pte;
}
@@ -602,9 +617,9 @@ static size_t arm_v7s_split_blk_unmap(struct arm_v7s_io_pgtable *data,
if (!tablep)
return 0; /* Bytes unmapped */
- num_ptes = ARM_V7S_PTES_PER_LVL(2);
+ num_ptes = ARM_V7S_PTES_PER_LVL(2, cfg);
num_entries = size >> ARM_V7S_LVL_SHIFT(2);
- unmap_idx = ARM_V7S_LVL_IDX(iova, 2);
+ unmap_idx = ARM_V7S_LVL_IDX(iova, 2, cfg);
pte = arm_v7s_prot_to_pte(arm_v7s_pte_to_prot(blk_pte, 1), 2, cfg);
if (num_entries > 1)
@@ -646,7 +661,7 @@ static size_t __arm_v7s_unmap(struct arm_v7s_io_pgtable *data,
if (WARN_ON(lvl > 2))
return 0;
- idx = ARM_V7S_LVL_IDX(iova, lvl);
+ idx = ARM_V7S_LVL_IDX(iova, lvl, &iop->cfg);
ptep += idx;
do {
pte[i] = READ_ONCE(ptep[i]);
@@ -712,15 +727,32 @@ static size_t __arm_v7s_unmap(struct arm_v7s_io_pgtable *data,
return __arm_v7s_unmap(data, gather, iova, size, lvl + 1, ptep);
}
+static size_t arm_v7s_unmap_pages(struct io_pgtable_ops *ops, unsigned long iova,
+ size_t pgsize, size_t pgcount,
+ struct iommu_iotlb_gather *gather)
+{
+ struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
+ size_t unmapped = 0, ret;
+
+ if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias)))
+ return 0;
+
+ while (pgcount--) {
+ ret = __arm_v7s_unmap(data, gather, iova, pgsize, 1, data->pgd);
+ if (!ret)
+ break;
+
+ unmapped += pgsize;
+ iova += pgsize;
+ }
+
+ return unmapped;
+}
+
static size_t arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova,
size_t size, struct iommu_iotlb_gather *gather)
{
- struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
-
- if (WARN_ON(upper_32_bits(iova)))
- return 0;
-
- return __arm_v7s_unmap(data, gather, iova, size, 1, data->pgd);
+ return arm_v7s_unmap_pages(ops, iova, size, 1, gather);
}
static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops,
@@ -732,7 +764,7 @@ static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops,
u32 mask;
do {
- ptep += ARM_V7S_LVL_IDX(iova, ++lvl);
+ ptep += ARM_V7S_LVL_IDX(iova, ++lvl, &data->iop.cfg);
pte = READ_ONCE(*ptep);
ptep = iopte_deref(pte, lvl, data);
} while (ARM_V7S_PTE_IS_TABLE(pte, lvl));
@@ -751,15 +783,14 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
{
struct arm_v7s_io_pgtable *data;
- if (cfg->ias > ARM_V7S_ADDR_BITS)
+ if (cfg->ias > (arm_v7s_is_mtk_enabled(cfg) ? 34 : ARM_V7S_ADDR_BITS))
return NULL;
- if (cfg->oas > (arm_v7s_is_mtk_enabled(cfg) ? 34 : ARM_V7S_ADDR_BITS))
+ if (cfg->oas > (arm_v7s_is_mtk_enabled(cfg) ? 35 : ARM_V7S_ADDR_BITS))
return NULL;
if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS |
IO_PGTABLE_QUIRK_NO_PERMS |
- IO_PGTABLE_QUIRK_TLBI_ON_MAP |
IO_PGTABLE_QUIRK_ARM_MTK_EXT |
IO_PGTABLE_QUIRK_NON_STRICT))
return NULL;
@@ -775,15 +806,17 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
spin_lock_init(&data->split_lock);
data->l2_tables = kmem_cache_create("io-pgtable_armv7s_l2",
- ARM_V7S_TABLE_SIZE(2),
- ARM_V7S_TABLE_SIZE(2),
+ ARM_V7S_TABLE_SIZE(2, cfg),
+ ARM_V7S_TABLE_SIZE(2, cfg),
ARM_V7S_TABLE_SLAB_FLAGS, NULL);
if (!data->l2_tables)
goto out_free_data;
data->iop.ops = (struct io_pgtable_ops) {
.map = arm_v7s_map,
+ .map_pages = arm_v7s_map_pages,
.unmap = arm_v7s_unmap,
+ .unmap_pages = arm_v7s_unmap_pages,
.iova_to_phys = arm_v7s_iova_to_phys,
};
@@ -866,7 +899,6 @@ static void __init dummy_tlb_add_page(struct iommu_iotlb_gather *gather,
static const struct iommu_flush_ops dummy_tlb_ops __initconst = {
.tlb_flush_all = dummy_tlb_flush_all,
.tlb_flush_walk = dummy_tlb_flush,
- .tlb_flush_leaf = dummy_tlb_flush,
.tlb_add_page = dummy_tlb_add_page,
};
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index bcfbd0e..ec31966 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -46,6 +46,9 @@
#define ARM_LPAE_PGD_SIZE(d) \
(sizeof(arm_lpae_iopte) << (d)->pgd_bits)
+#define ARM_LPAE_PTES_PER_TABLE(d) \
+ (ARM_LPAE_GRANULE(d) >> ilog2(sizeof(arm_lpae_iopte)))
+
/*
* Calculate the index at level l used to map virtual address a using the
* pagetable in d.
@@ -109,16 +112,20 @@
#define ARM_LPAE_VTCR_PS_SHIFT 16
#define ARM_LPAE_VTCR_PS_MASK 0x7
-#define ARM_LPAE_MAIR_ATTR_SHIFT(n) ((n) << 3)
-#define ARM_LPAE_MAIR_ATTR_MASK 0xff
-#define ARM_LPAE_MAIR_ATTR_DEVICE 0x04
-#define ARM_LPAE_MAIR_ATTR_NC 0x44
-#define ARM_LPAE_MAIR_ATTR_INC_OWBRWA 0xf4
-#define ARM_LPAE_MAIR_ATTR_WBRWA 0xff
-#define ARM_LPAE_MAIR_ATTR_IDX_NC 0
-#define ARM_LPAE_MAIR_ATTR_IDX_CACHE 1
-#define ARM_LPAE_MAIR_ATTR_IDX_DEV 2
-#define ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE 3
+#define ARM_LPAE_MAIR_ATTR_SHIFT(n) ((n) << 3)
+#define ARM_LPAE_MAIR_ATTR_MASK 0xff
+#define ARM_LPAE_MAIR_ATTR_DEVICE 0x04ULL
+#define ARM_LPAE_MAIR_ATTR_NC 0x44ULL
+#define ARM_LPAE_MAIR_ATTR_INC_OWBRANWA 0xe4ULL
+#define ARM_LPAE_MAIR_ATTR_IWBRWA_OWBRANWA 0xefULL
+#define ARM_LPAE_MAIR_ATTR_INC_OWBRWA 0xf4ULL
+#define ARM_LPAE_MAIR_ATTR_WBRWA 0xffULL
+#define ARM_LPAE_MAIR_ATTR_IDX_NC 0
+#define ARM_LPAE_MAIR_ATTR_IDX_CACHE 1
+#define ARM_LPAE_MAIR_ATTR_IDX_DEV 2
+#define ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE 3
+#define ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE_NWA 4
+#define ARM_LPAE_MAIR_ATTR_IDX_ICACHE_OCACHE_NWA 5
#define ARM_MALI_LPAE_TTBR_ADRMODE_TABLE (3u << 0)
#define ARM_MALI_LPAE_TTBR_READ_INNER BIT(2)
@@ -232,70 +239,77 @@ static void __arm_lpae_free_pages(void *pages, size_t size,
free_pages((unsigned long)pages, get_order(size));
}
-static void __arm_lpae_sync_pte(arm_lpae_iopte *ptep,
+static void __arm_lpae_sync_pte(arm_lpae_iopte *ptep, int num_entries,
struct io_pgtable_cfg *cfg)
{
dma_sync_single_for_device(cfg->iommu_dev, __arm_lpae_dma_addr(ptep),
- sizeof(*ptep), DMA_TO_DEVICE);
+ sizeof(*ptep) * num_entries, DMA_TO_DEVICE);
}
-static void __arm_lpae_set_pte(arm_lpae_iopte *ptep, arm_lpae_iopte pte,
- struct io_pgtable_cfg *cfg)
+static void __arm_lpae_clear_pte(arm_lpae_iopte *ptep, struct io_pgtable_cfg *cfg)
{
- *ptep = pte;
+
+ *ptep = 0;
if (!cfg->coherent_walk)
- __arm_lpae_sync_pte(ptep, cfg);
+ __arm_lpae_sync_pte(ptep, 1, cfg);
}
static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
struct iommu_iotlb_gather *gather,
- unsigned long iova, size_t size, int lvl,
- arm_lpae_iopte *ptep);
+ unsigned long iova, size_t size, size_t pgcount,
+ int lvl, arm_lpae_iopte *ptep);
static void __arm_lpae_init_pte(struct arm_lpae_io_pgtable *data,
phys_addr_t paddr, arm_lpae_iopte prot,
- int lvl, arm_lpae_iopte *ptep)
+ int lvl, int num_entries, arm_lpae_iopte *ptep)
{
arm_lpae_iopte pte = prot;
+ struct io_pgtable_cfg *cfg = &data->iop.cfg;
+ size_t sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
+ int i;
if (data->iop.fmt != ARM_MALI_LPAE && lvl == ARM_LPAE_MAX_LEVELS - 1)
pte |= ARM_LPAE_PTE_TYPE_PAGE;
else
pte |= ARM_LPAE_PTE_TYPE_BLOCK;
- pte |= paddr_to_iopte(paddr, data);
+ for (i = 0; i < num_entries; i++)
+ ptep[i] = pte | paddr_to_iopte(paddr + i * sz, data);
- __arm_lpae_set_pte(ptep, pte, &data->iop.cfg);
+ if (!cfg->coherent_walk)
+ __arm_lpae_sync_pte(ptep, num_entries, cfg);
}
static int arm_lpae_init_pte(struct arm_lpae_io_pgtable *data,
unsigned long iova, phys_addr_t paddr,
- arm_lpae_iopte prot, int lvl,
+ arm_lpae_iopte prot, int lvl, int num_entries,
arm_lpae_iopte *ptep)
{
- arm_lpae_iopte pte = *ptep;
+ int i;
- if (iopte_leaf(pte, lvl, data->iop.fmt)) {
- /* We require an unmap first */
- WARN_ON(!selftest_running);
- return -EEXIST;
- } else if (iopte_type(pte, lvl) == ARM_LPAE_PTE_TYPE_TABLE) {
- /*
- * We need to unmap and free the old table before
- * overwriting it with a block entry.
- */
- arm_lpae_iopte *tblp;
- size_t sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
+ for (i = 0; i < num_entries; i++)
+ if (iopte_leaf(ptep[i], lvl, data->iop.fmt)) {
+ /* We require an unmap first */
+ WARN_ON(!selftest_running);
+ return -EEXIST;
+ } else if (iopte_type(ptep[i], lvl) == ARM_LPAE_PTE_TYPE_TABLE) {
+ /*
+ * We need to unmap and free the old table before
+ * overwriting it with a block entry.
+ */
+ arm_lpae_iopte *tblp;
+ size_t sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
- tblp = ptep - ARM_LPAE_LVL_IDX(iova, lvl, data);
- if (__arm_lpae_unmap(data, NULL, iova, sz, lvl, tblp) != sz) {
- WARN_ON(1);
- return -EINVAL;
+ tblp = ptep - ARM_LPAE_LVL_IDX(iova, lvl, data);
+ if (__arm_lpae_unmap(data, NULL, iova + i * sz, sz, 1,
+ lvl, tblp) != sz) {
+ WARN_ON(1);
+ return -EINVAL;
+ }
}
- }
- __arm_lpae_init_pte(data, paddr, prot, lvl, ptep);
+ __arm_lpae_init_pte(data, paddr, prot, lvl, num_entries, ptep);
return 0;
}
@@ -323,7 +337,7 @@ static arm_lpae_iopte arm_lpae_install_table(arm_lpae_iopte *table,
return old;
/* Even if it's not ours, there's no point waiting; just kick it */
- __arm_lpae_sync_pte(ptep, cfg);
+ __arm_lpae_sync_pte(ptep, 1, cfg);
if (old == curr)
WRITE_ONCE(*ptep, new | ARM_LPAE_PTE_SW_SYNC);
@@ -331,20 +345,30 @@ static arm_lpae_iopte arm_lpae_install_table(arm_lpae_iopte *table,
}
static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova,
- phys_addr_t paddr, size_t size, arm_lpae_iopte prot,
- int lvl, arm_lpae_iopte *ptep, gfp_t gfp)
+ phys_addr_t paddr, size_t size, size_t pgcount,
+ arm_lpae_iopte prot, int lvl, arm_lpae_iopte *ptep,
+ gfp_t gfp, size_t *mapped)
{
arm_lpae_iopte *cptep, pte;
size_t block_size = ARM_LPAE_BLOCK_SIZE(lvl, data);
size_t tblsz = ARM_LPAE_GRANULE(data);
struct io_pgtable_cfg *cfg = &data->iop.cfg;
+ int ret = 0, num_entries, max_entries, map_idx_start;
/* Find our entry at the current level */
- ptep += ARM_LPAE_LVL_IDX(iova, lvl, data);
+ map_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data);
+ ptep += map_idx_start;
/* If we can install a leaf entry at this level, then do so */
- if (size == block_size)
- return arm_lpae_init_pte(data, iova, paddr, prot, lvl, ptep);
+ if (size == block_size) {
+ max_entries = ARM_LPAE_PTES_PER_TABLE(data) - map_idx_start;
+ num_entries = min_t(int, pgcount, max_entries);
+ ret = arm_lpae_init_pte(data, iova, paddr, prot, lvl, num_entries, ptep);
+ if (!ret && mapped)
+ *mapped += num_entries * size;
+
+ return ret;
+ }
/* We can't allocate tables at the final level */
if (WARN_ON(lvl >= ARM_LPAE_MAX_LEVELS - 1))
@@ -361,7 +385,7 @@ static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova,
if (pte)
__arm_lpae_free_pages(cptep, tblsz, cfg);
} else if (!cfg->coherent_walk && !(pte & ARM_LPAE_PTE_SW_SYNC)) {
- __arm_lpae_sync_pte(ptep, cfg);
+ __arm_lpae_sync_pte(ptep, 1, cfg);
}
if (pte && !iopte_leaf(pte, lvl, data->iop.fmt)) {
@@ -373,7 +397,8 @@ static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova,
}
/* Rinse, repeat */
- return __arm_lpae_map(data, iova, paddr, size, prot, lvl + 1, cptep, gfp);
+ return __arm_lpae_map(data, iova, paddr, size, pgcount, prot, lvl + 1,
+ cptep, gfp, mapped);
}
static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data,
@@ -412,9 +437,19 @@ static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data,
if (prot & IOMMU_MMIO)
pte |= (ARM_LPAE_MAIR_ATTR_IDX_DEV
<< ARM_LPAE_PTE_ATTRINDX_SHIFT);
+ else if ((prot & IOMMU_CACHE) && (prot & IOMMU_SYS_CACHE_NWA))
+ pte |= (ARM_LPAE_MAIR_ATTR_IDX_ICACHE_OCACHE_NWA
+ << ARM_LPAE_PTE_ATTRINDX_SHIFT);
+ /* IOMMU_CACHE + IOMMU_SYS_CACHE equivalent to IOMMU_CACHE */
else if (prot & IOMMU_CACHE)
pte |= (ARM_LPAE_MAIR_ATTR_IDX_CACHE
<< ARM_LPAE_PTE_ATTRINDX_SHIFT);
+ else if (prot & IOMMU_SYS_CACHE)
+ pte |= (ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE
+ << ARM_LPAE_PTE_ATTRINDX_SHIFT);
+ else if (prot & IOMMU_SYS_CACHE_NWA)
+ pte |= (ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE_NWA
+ << ARM_LPAE_PTE_ATTRINDX_SHIFT);
}
/*
@@ -440,8 +475,9 @@ static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data,
return pte;
}
-static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
- phys_addr_t paddr, size_t size, int iommu_prot, gfp_t gfp)
+static int arm_lpae_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
+ phys_addr_t paddr, size_t pgsize, size_t pgcount,
+ int iommu_prot, gfp_t gfp, size_t *mapped)
{
struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops);
struct io_pgtable_cfg *cfg = &data->iop.cfg;
@@ -454,7 +490,7 @@ static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
if (!(iommu_prot & (IOMMU_READ | IOMMU_WRITE)))
return 0;
- if (WARN_ON(!size || (size & cfg->pgsize_bitmap) != size))
+ if (WARN_ON(!pgsize || (pgsize & cfg->pgsize_bitmap) != pgsize))
return -EINVAL;
if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_TTBR1)
@@ -463,7 +499,8 @@ static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
return -ERANGE;
prot = arm_lpae_prot_to_pte(data, iommu_prot);
- ret = __arm_lpae_map(data, iova, paddr, size, prot, lvl, ptep, gfp);
+ ret = __arm_lpae_map(data, iova, paddr, pgsize, pgcount, prot, lvl,
+ ptep, gfp, mapped);
/*
* Synchronise all PTE updates for the new mapping before there's
* a chance for anything to kick off a table walk for the new iova.
@@ -473,6 +510,14 @@ static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
return ret;
}
+
+static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova,
+ phys_addr_t paddr, size_t size, int iommu_prot, gfp_t gfp)
+{
+ return arm_lpae_map_pages(ops, iova, paddr, size, 1, iommu_prot, gfp,
+ NULL);
+}
+
static void __arm_lpae_free_pgtable(struct arm_lpae_io_pgtable *data, int lvl,
arm_lpae_iopte *ptep)
{
@@ -516,14 +561,15 @@ static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
struct iommu_iotlb_gather *gather,
unsigned long iova, size_t size,
arm_lpae_iopte blk_pte, int lvl,
- arm_lpae_iopte *ptep)
+ arm_lpae_iopte *ptep, size_t pgcount)
{
struct io_pgtable_cfg *cfg = &data->iop.cfg;
arm_lpae_iopte pte, *tablep;
phys_addr_t blk_paddr;
size_t tablesz = ARM_LPAE_GRANULE(data);
size_t split_sz = ARM_LPAE_BLOCK_SIZE(lvl, data);
- int i, unmap_idx = -1;
+ int ptes_per_table = ARM_LPAE_PTES_PER_TABLE(data);
+ int i, unmap_idx_start = -1, num_entries = 0, max_entries;
if (WARN_ON(lvl == ARM_LPAE_MAX_LEVELS))
return 0;
@@ -532,18 +578,21 @@ static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
if (!tablep)
return 0; /* Bytes unmapped */
- if (size == split_sz)
- unmap_idx = ARM_LPAE_LVL_IDX(iova, lvl, data);
+ if (size == split_sz) {
+ unmap_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data);
+ max_entries = ptes_per_table - unmap_idx_start;
+ num_entries = min_t(int, pgcount, max_entries);
+ }
blk_paddr = iopte_to_paddr(blk_pte, data);
pte = iopte_prot(blk_pte);
- for (i = 0; i < tablesz / sizeof(pte); i++, blk_paddr += split_sz) {
+ for (i = 0; i < ptes_per_table; i++, blk_paddr += split_sz) {
/* Unmap! */
- if (i == unmap_idx)
+ if (i >= unmap_idx_start && i < (unmap_idx_start + num_entries))
continue;
- __arm_lpae_init_pte(data, blk_paddr, pte, lvl, &tablep[i]);
+ __arm_lpae_init_pte(data, blk_paddr, pte, lvl, 1, &tablep[i]);
}
pte = arm_lpae_install_table(tablep, ptep, blk_pte, cfg);
@@ -558,76 +607,92 @@ static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
return 0;
tablep = iopte_deref(pte, data);
- } else if (unmap_idx >= 0) {
- io_pgtable_tlb_add_page(&data->iop, gather, iova, size);
- return size;
+ } else if (unmap_idx_start >= 0) {
+ for (i = 0; i < num_entries; i++)
+ io_pgtable_tlb_add_page(&data->iop, gather, iova + i * size, size);
+
+ return num_entries * size;
}
- return __arm_lpae_unmap(data, gather, iova, size, lvl, tablep);
+ return __arm_lpae_unmap(data, gather, iova, size, pgcount, lvl, tablep);
}
static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
struct iommu_iotlb_gather *gather,
- unsigned long iova, size_t size, int lvl,
- arm_lpae_iopte *ptep)
+ unsigned long iova, size_t size, size_t pgcount,
+ int lvl, arm_lpae_iopte *ptep)
{
arm_lpae_iopte pte;
struct io_pgtable *iop = &data->iop;
+ int i = 0, num_entries, max_entries, unmap_idx_start;
/* Something went horribly wrong and we ran out of page table */
if (WARN_ON(lvl == ARM_LPAE_MAX_LEVELS))
return 0;
- ptep += ARM_LPAE_LVL_IDX(iova, lvl, data);
+ unmap_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data);
+ ptep += unmap_idx_start;
pte = READ_ONCE(*ptep);
if (WARN_ON(!pte))
return 0;
/* If the size matches this level, we're in the right place */
if (size == ARM_LPAE_BLOCK_SIZE(lvl, data)) {
- __arm_lpae_set_pte(ptep, 0, &iop->cfg);
+ max_entries = ARM_LPAE_PTES_PER_TABLE(data) - unmap_idx_start;
+ num_entries = min_t(int, pgcount, max_entries);
- if (!iopte_leaf(pte, lvl, iop->fmt)) {
- /* Also flush any partial walks */
- io_pgtable_tlb_flush_walk(iop, iova, size,
- ARM_LPAE_GRANULE(data));
- ptep = iopte_deref(pte, data);
- __arm_lpae_free_pgtable(data, lvl + 1, ptep);
- } else if (iop->cfg.quirks & IO_PGTABLE_QUIRK_NON_STRICT) {
- /*
- * Order the PTE update against queueing the IOVA, to
- * guarantee that a flush callback from a different CPU
- * has observed it before the TLBIALL can be issued.
- */
- smp_wmb();
- } else {
- io_pgtable_tlb_add_page(iop, gather, iova, size);
+ while (i < num_entries) {
+ pte = READ_ONCE(*ptep);
+ if (WARN_ON(!pte))
+ break;
+
+ __arm_lpae_clear_pte(ptep, &iop->cfg);
+
+ if (!iopte_leaf(pte, lvl, iop->fmt)) {
+ /* Also flush any partial walks */
+ io_pgtable_tlb_flush_walk(iop, iova + i * size, size,
+ ARM_LPAE_GRANULE(data));
+ __arm_lpae_free_pgtable(data, lvl + 1, iopte_deref(pte, data));
+ } else if (iop->cfg.quirks & IO_PGTABLE_QUIRK_NON_STRICT) {
+ /*
+ * Order the PTE update against queueing the IOVA, to
+ * guarantee that a flush callback from a different CPU
+ * has observed it before the TLBIALL can be issued.
+ */
+ smp_wmb();
+ } else {
+ io_pgtable_tlb_add_page(iop, gather, iova + i * size, size);
+ }
+
+ ptep++;
+ i++;
}
- return size;
+ return i * size;
} else if (iopte_leaf(pte, lvl, iop->fmt)) {
/*
* Insert a table at the next level to map the old region,
* minus the part we want to unmap
*/
return arm_lpae_split_blk_unmap(data, gather, iova, size, pte,
- lvl + 1, ptep);
+ lvl + 1, ptep, pgcount);
}
/* Keep on walkin' */
ptep = iopte_deref(pte, data);
- return __arm_lpae_unmap(data, gather, iova, size, lvl + 1, ptep);
+ return __arm_lpae_unmap(data, gather, iova, size, pgcount, lvl + 1, ptep);
}
-static size_t arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
- size_t size, struct iommu_iotlb_gather *gather)
+static size_t arm_lpae_unmap_pages(struct io_pgtable_ops *ops, unsigned long iova,
+ size_t pgsize, size_t pgcount,
+ struct iommu_iotlb_gather *gather)
{
struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops);
struct io_pgtable_cfg *cfg = &data->iop.cfg;
arm_lpae_iopte *ptep = data->pgd;
long iaext = (s64)iova >> cfg->ias;
- if (WARN_ON(!size || (size & cfg->pgsize_bitmap) != size))
+ if (WARN_ON(!pgsize || (pgsize & cfg->pgsize_bitmap) != pgsize || !pgcount))
return 0;
if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_TTBR1)
@@ -635,7 +700,14 @@ static size_t arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
if (WARN_ON(iaext))
return 0;
- return __arm_lpae_unmap(data, gather, iova, size, data->start_level, ptep);
+ return __arm_lpae_unmap(data, gather, iova, pgsize, pgcount,
+ data->start_level, ptep);
+}
+
+static size_t arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova,
+ size_t size, struct iommu_iotlb_gather *gather)
+{
+ return arm_lpae_unmap_pages(ops, iova, size, 1, gather);
}
static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable_ops *ops,
@@ -750,7 +822,9 @@ arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg)
data->iop.ops = (struct io_pgtable_ops) {
.map = arm_lpae_map,
+ .map_pages = arm_lpae_map_pages,
.unmap = arm_lpae_unmap,
+ .unmap_pages = arm_lpae_unmap_pages,
.iova_to_phys = arm_lpae_iova_to_phys,
};
@@ -834,7 +908,11 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie)
(ARM_LPAE_MAIR_ATTR_DEVICE
<< ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_DEV)) |
(ARM_LPAE_MAIR_ATTR_INC_OWBRWA
- << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE));
+ << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE)) |
+ (ARM_LPAE_MAIR_ATTR_INC_OWBRANWA
+ << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_INC_OCACHE_NWA)) |
+ (ARM_LPAE_MAIR_ATTR_IWBRWA_OWBRANWA
+ << ARM_LPAE_MAIR_ATTR_SHIFT(ARM_LPAE_MAIR_ATTR_IDX_ICACHE_OCACHE_NWA));
cfg->arm_lpae_s1_cfg.mair = reg;
@@ -1088,7 +1166,6 @@ static void __init dummy_tlb_add_page(struct iommu_iotlb_gather *gather,
static const struct iommu_flush_ops dummy_tlb_ops __initconst = {
.tlb_flush_all = dummy_tlb_flush_all,
.tlb_flush_walk = dummy_tlb_flush,
- .tlb_flush_leaf = dummy_tlb_flush,
.tlb_add_page = dummy_tlb_add_page,
};
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index bcf060b..d410311 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -8,6 +8,7 @@
#include <linux/device.h>
#include <linux/kernel.h>
+#include <linux/bits.h>
#include <linux/bug.h>
#include <linux/types.h>
#include <linux/init.h>
@@ -2332,36 +2333,83 @@ phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
}
EXPORT_SYMBOL_GPL(iommu_iova_to_phys);
-static size_t iommu_pgsize(struct iommu_domain *domain,
- unsigned long addr_merge, size_t size)
+static size_t iommu_pgsize(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t paddr, size_t size, size_t *count)
{
- unsigned int pgsize_idx;
- size_t pgsize;
+ unsigned int pgsize_idx, pgsize_idx_next;
+ unsigned long pgsizes;
+ size_t offset, pgsize, pgsize_next;
+ unsigned long addr_merge = paddr | iova;
- /* Max page size that still fits into 'size' */
- pgsize_idx = __fls(size);
+ /* Page sizes supported by the hardware and small enough for @size */
+ pgsizes = domain->pgsize_bitmap & GENMASK(__fls(size), 0);
- /* need to consider alignment requirements ? */
- if (likely(addr_merge)) {
- /* Max page size allowed by address */
- unsigned int align_pgsize_idx = __ffs(addr_merge);
- pgsize_idx = min(pgsize_idx, align_pgsize_idx);
+ /* Constrain the page sizes further based on the maximum alignment */
+ if (likely(addr_merge))
+ pgsizes &= GENMASK(__ffs(addr_merge), 0);
+
+ /* Make sure we have at least one suitable page size */
+ BUG_ON(!pgsizes);
+
+ /* Pick the biggest page size remaining */
+ pgsize_idx = __fls(pgsizes);
+ pgsize = BIT(pgsize_idx);
+ if (!count)
+ return pgsize;
+
+
+ /* Find the next biggest support page size, if it exists */
+ pgsizes = domain->pgsize_bitmap & ~GENMASK(pgsize_idx, 0);
+ if (!pgsizes)
+ goto out_set_count;
+
+ pgsize_idx_next = __ffs(pgsizes);
+ pgsize_next = BIT(pgsize_idx_next);
+
+ /*
+ * There's no point trying a bigger page size unless the virtual
+ * and physical addresses are similarly offset within the larger page.
+ */
+ if ((iova ^ paddr) & (pgsize_next - 1))
+ goto out_set_count;
+
+ /* Calculate the offset to the next page size alignment boundary */
+ offset = pgsize_next - (addr_merge & (pgsize_next - 1));
+
+ /*
+ * If size is big enough to accommodate the larger page, reduce
+ * the number of smaller pages.
+ */
+ if (offset + pgsize_next <= size)
+ size = offset;
+
+out_set_count:
+ *count = size >> pgsize_idx;
+ return pgsize;
+}
+
+static int __iommu_map_pages(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t paddr, size_t size, int prot,
+ gfp_t gfp, size_t *mapped)
+{
+ const struct iommu_ops *ops = domain->ops;
+ size_t pgsize, count;
+ int ret;
+
+ pgsize = iommu_pgsize(domain, iova, paddr, size, &count);
+
+ pr_debug("mapping: iova 0x%lx pa %pa pgsize 0x%zx count %zu\n",
+ iova, &paddr, pgsize, count);
+
+ if (ops->map_pages) {
+ ret = ops->map_pages(domain, iova, paddr, pgsize, count, prot,
+ gfp, mapped);
+ } else {
+ ret = ops->map(domain, iova, paddr, pgsize, prot, gfp);
+ *mapped = ret ? 0 : pgsize;
}
- /* build a mask of acceptable page sizes */
- pgsize = (1UL << (pgsize_idx + 1)) - 1;
-
- /* throw away page sizes not supported by the hardware */
- pgsize &= domain->pgsize_bitmap;
-
- /* make sure we're still sane */
- BUG_ON(!pgsize);
-
- /* pick the biggest page */
- pgsize_idx = __fls(pgsize);
- pgsize = 1UL << pgsize_idx;
-
- return pgsize;
+ return ret;
}
static int __iommu_map(struct iommu_domain *domain, unsigned long iova,
@@ -2374,7 +2422,7 @@ static int __iommu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t orig_paddr = paddr;
int ret = 0;
- if (unlikely(ops->map == NULL ||
+ if (unlikely(!(ops->map || ops->map_pages) ||
domain->pgsize_bitmap == 0UL))
return -ENODEV;
@@ -2398,18 +2446,21 @@ static int __iommu_map(struct iommu_domain *domain, unsigned long iova,
pr_debug("map: iova 0x%lx pa %pa size 0x%zx\n", iova, &paddr, size);
while (size) {
- size_t pgsize = iommu_pgsize(domain, iova | paddr, size);
+ size_t mapped = 0;
- pr_debug("mapping: iova 0x%lx pa %pa pgsize 0x%zx\n",
- iova, &paddr, pgsize);
- ret = ops->map(domain, iova, paddr, pgsize, prot, gfp);
+ ret = __iommu_map_pages(domain, iova, paddr, size, prot, gfp,
+ &mapped);
+ /*
+ * Some pages may have been mapped, even if an error occurred,
+ * so we should account for those so they can be unmapped.
+ */
+ size -= mapped;
if (ret)
break;
- iova += pgsize;
- paddr += pgsize;
- size -= pgsize;
+ iova += mapped;
+ paddr += mapped;
}
/* unroll mapping in case something went wrong */
@@ -2429,7 +2480,7 @@ static int _iommu_map(struct iommu_domain *domain, unsigned long iova,
ret = __iommu_map(domain, iova, paddr, size, prot, gfp);
if (ret == 0 && ops->iotlb_sync_map)
- ops->iotlb_sync_map(domain);
+ ops->iotlb_sync_map(domain, iova, size);
return ret;
}
@@ -2449,6 +2500,19 @@ int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova,
}
EXPORT_SYMBOL_GPL(iommu_map_atomic);
+static size_t __iommu_unmap_pages(struct iommu_domain *domain,
+ unsigned long iova, size_t size,
+ struct iommu_iotlb_gather *iotlb_gather)
+{
+ const struct iommu_ops *ops = domain->ops;
+ size_t pgsize, count;
+
+ pgsize = iommu_pgsize(domain, iova, iova, size, &count);
+ return ops->unmap_pages ?
+ ops->unmap_pages(domain, iova, pgsize, count, iotlb_gather) :
+ ops->unmap(domain, iova, pgsize, iotlb_gather);
+}
+
static size_t __iommu_unmap(struct iommu_domain *domain,
unsigned long iova, size_t size,
struct iommu_iotlb_gather *iotlb_gather)
@@ -2458,7 +2522,7 @@ static size_t __iommu_unmap(struct iommu_domain *domain,
unsigned long orig_iova = iova;
unsigned int min_pagesz;
- if (unlikely(ops->unmap == NULL ||
+ if (unlikely(!(ops->unmap || ops->unmap_pages) ||
domain->pgsize_bitmap == 0UL))
return 0;
@@ -2486,9 +2550,9 @@ static size_t __iommu_unmap(struct iommu_domain *domain,
* or we hit an area that isn't mapped.
*/
while (unmapped < size) {
- size_t pgsize = iommu_pgsize(domain, iova, size - unmapped);
-
- unmapped_page = ops->unmap(domain, iova, pgsize, iotlb_gather);
+ unmapped_page = __iommu_unmap_pages(domain, iova,
+ size - unmapped,
+ iotlb_gather);
if (!unmapped_page)
break;
@@ -2535,6 +2599,18 @@ static size_t __iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
unsigned int i = 0;
int ret;
+ if (ops->map_sg) {
+ ret = ops->map_sg(domain, iova, sg, nents, prot, gfp, &mapped);
+
+ if (ops->iotlb_sync_map)
+ ops->iotlb_sync_map(domain, iova, mapped);
+
+ if (ret)
+ goto out_err;
+
+ return mapped;
+ }
+
while (i <= nents) {
phys_addr_t s_phys = sg_phys(sg);
@@ -2561,7 +2637,7 @@ static size_t __iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
}
if (ops->iotlb_sync_map)
- ops->iotlb_sync_map(domain);
+ ops->iotlb_sync_map(domain, iova, mapped);
return mapped;
out_err:
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 30d969a..2adc788 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -50,6 +50,7 @@ init_iova_domain(struct iova_domain *iovad, unsigned long granule,
iovad->anchor.pfn_lo = iovad->anchor.pfn_hi = IOVA_ANCHOR;
rb_link_node(&iovad->anchor.node, NULL, &iovad->rbroot.rb_node);
rb_insert_color(&iovad->anchor.node, &iovad->rbroot);
+ iovad->best_fit = false;
init_iova_rcaches(iovad);
}
EXPORT_SYMBOL_GPL(init_iova_domain);
@@ -177,6 +178,24 @@ iova_insert_rbtree(struct rb_root *root, struct iova *iova,
rb_insert_color(&iova->node, root);
}
+#ifdef CONFIG_IOMMU_LIMIT_IOVA_ALIGNMENT
+static unsigned long limit_align_shift(struct iova_domain *iovad,
+ unsigned long shift)
+{
+ unsigned long max_align_shift;
+
+ max_align_shift = CONFIG_IOMMU_IOVA_ALIGNMENT + PAGE_SHIFT
+ - iova_shift(iovad);
+ return min_t(unsigned long, max_align_shift, shift);
+}
+#else
+static unsigned long limit_align_shift(struct iova_domain *iovad,
+ unsigned long shift)
+{
+ return shift;
+}
+#endif
+
static int __alloc_and_insert_iova_range(struct iova_domain *iovad,
unsigned long size, unsigned long limit_pfn,
struct iova *new, bool size_aligned)
@@ -184,11 +203,12 @@ static int __alloc_and_insert_iova_range(struct iova_domain *iovad,
struct rb_node *curr, *prev;
struct iova *curr_iova;
unsigned long flags;
- unsigned long new_pfn;
+ unsigned long new_pfn, low_pfn_new;
unsigned long align_mask = ~0UL;
+ unsigned long high_pfn = limit_pfn, low_pfn = iovad->start_pfn;
if (size_aligned)
- align_mask <<= fls_long(size - 1);
+ align_mask <<= limit_align_shift(iovad, fls_long(size - 1));
/* Walk the tree backwards */
spin_lock_irqsave(&iovad->iova_rbtree_lock, flags);
@@ -198,15 +218,25 @@ static int __alloc_and_insert_iova_range(struct iova_domain *iovad,
curr = __get_cached_rbnode(iovad, limit_pfn);
curr_iova = rb_entry(curr, struct iova, node);
+ low_pfn_new = curr_iova->pfn_hi + 1;
+
+retry:
do {
- limit_pfn = min(limit_pfn, curr_iova->pfn_lo);
- new_pfn = (limit_pfn - size) & align_mask;
+ high_pfn = min(high_pfn, curr_iova->pfn_lo);
+ new_pfn = (high_pfn - size) & align_mask;
prev = curr;
curr = rb_prev(curr);
curr_iova = rb_entry(curr, struct iova, node);
- } while (curr && new_pfn <= curr_iova->pfn_hi);
+ } while (curr && new_pfn <= curr_iova->pfn_hi && new_pfn >= low_pfn);
- if (limit_pfn < size || new_pfn < iovad->start_pfn) {
+ if (high_pfn < size || new_pfn < low_pfn) {
+ if (low_pfn == iovad->start_pfn && low_pfn_new < limit_pfn) {
+ high_pfn = limit_pfn;
+ low_pfn = low_pfn_new;
+ curr = &iovad->anchor.node;
+ curr_iova = rb_entry(curr, struct iova, node);
+ goto retry;
+ }
iovad->max32_alloc_size = size;
goto iova32_full;
}
@@ -227,6 +257,70 @@ static int __alloc_and_insert_iova_range(struct iova_domain *iovad,
return -ENOMEM;
}
+static int __alloc_and_insert_iova_best_fit(struct iova_domain *iovad,
+ unsigned long size,
+ unsigned long limit_pfn,
+ struct iova *new, bool size_aligned)
+{
+ struct rb_node *curr, *prev;
+ struct iova *curr_iova, *prev_iova;
+ unsigned long flags;
+ unsigned long align_mask = ~0UL;
+ struct rb_node *candidate_rb_parent;
+ unsigned long new_pfn, candidate_pfn = ~0UL;
+ unsigned long gap, candidate_gap = ~0UL;
+
+ if (size_aligned)
+ align_mask <<= limit_align_shift(iovad, fls_long(size - 1));
+
+ /* Walk the tree backwards */
+ spin_lock_irqsave(&iovad->iova_rbtree_lock, flags);
+ curr = &iovad->anchor.node;
+ prev = rb_prev(curr);
+ for (; prev; curr = prev, prev = rb_prev(curr)) {
+ curr_iova = rb_entry(curr, struct iova, node);
+ prev_iova = rb_entry(prev, struct iova, node);
+
+ limit_pfn = min(limit_pfn, curr_iova->pfn_lo);
+ new_pfn = (limit_pfn - size) & align_mask;
+ gap = curr_iova->pfn_lo - prev_iova->pfn_hi - 1;
+ if ((limit_pfn >= size) && (new_pfn > prev_iova->pfn_hi)
+ && (gap < candidate_gap)) {
+ candidate_gap = gap;
+ candidate_pfn = new_pfn;
+ candidate_rb_parent = curr;
+ if (gap == size)
+ goto insert;
+ }
+ }
+
+ curr_iova = rb_entry(curr, struct iova, node);
+ limit_pfn = min(limit_pfn, curr_iova->pfn_lo);
+ new_pfn = (limit_pfn - size) & align_mask;
+ gap = curr_iova->pfn_lo - iovad->start_pfn;
+ if (limit_pfn >= size && new_pfn >= iovad->start_pfn &&
+ gap < candidate_gap) {
+ candidate_gap = gap;
+ candidate_pfn = new_pfn;
+ candidate_rb_parent = curr;
+ }
+
+insert:
+ if (candidate_pfn == ~0UL) {
+ spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
+ return -ENOMEM;
+ }
+
+ /* pfn_lo will point to size aligned address if size_aligned is set */
+ new->pfn_lo = candidate_pfn;
+ new->pfn_hi = new->pfn_lo + size - 1;
+
+ /* If we have 'prev', it's a valid place to start the insertion. */
+ iova_insert_rbtree(&iovad->rbroot, new, candidate_rb_parent);
+ spin_unlock_irqrestore(&iovad->iova_rbtree_lock, flags);
+ return 0;
+}
+
static struct kmem_cache *iova_cache;
static unsigned int iova_cache_users;
static DEFINE_MUTEX(iova_cache_mutex);
@@ -302,8 +396,13 @@ alloc_iova(struct iova_domain *iovad, unsigned long size,
if (!new_iova)
return NULL;
- ret = __alloc_and_insert_iova_range(iovad, size, limit_pfn + 1,
- new_iova, size_aligned);
+ if (iovad->best_fit) {
+ ret = __alloc_and_insert_iova_best_fit(iovad, size,
+ limit_pfn + 1, new_iova, size_aligned);
+ } else {
+ ret = __alloc_and_insert_iova_range(iovad, size, limit_pfn + 1,
+ new_iova, size_aligned);
+ }
if (ret) {
free_iova_mem(new_iova);
@@ -431,6 +530,7 @@ alloc_iova_fast(struct iova_domain *iovad, unsigned long size,
flush_rcache = false;
for_each_online_cpu(cpu)
free_cpu_cached_iovas(cpu, iovad);
+ free_global_cached_iovas(iovad);
goto retry;
}
@@ -1046,5 +1146,27 @@ void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad)
}
}
+/*
+ * free all the IOVA ranges of global cache
+ */
+void free_global_cached_iovas(struct iova_domain *iovad)
+{
+ struct iova_rcache *rcache;
+ unsigned long flags;
+ int i, j;
+
+ for (i = 0; i < IOVA_RANGE_CACHE_MAX_SIZE; ++i) {
+ rcache = &iovad->rcaches[i];
+ spin_lock_irqsave(&rcache->lock, flags);
+ for (j = 0; j < rcache->depot_size; ++j) {
+ iova_magazine_free_pfns(rcache->depot[j], iovad);
+ iova_magazine_free(rcache->depot[j]);
+ rcache->depot[j] = NULL;
+ }
+ rcache->depot_size = 0;
+ spin_unlock_irqrestore(&rcache->lock, flags);
+ }
+}
+
MODULE_AUTHOR("Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 0f18abd..d71f102 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -325,7 +325,6 @@ static void ipmmu_tlb_flush(unsigned long iova, size_t size,
static const struct iommu_flush_ops ipmmu_flush_ops = {
.tlb_flush_all = ipmmu_tlb_flush_all,
.tlb_flush_walk = ipmmu_tlb_flush,
- .tlb_flush_leaf = ipmmu_tlb_flush,
};
/* -----------------------------------------------------------------------------
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index 3615cd6..f0ba6a0 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -174,12 +174,6 @@ static void __flush_iotlb_walk(unsigned long iova, size_t size,
__flush_iotlb_range(iova, size, granule, false, cookie);
}
-static void __flush_iotlb_leaf(unsigned long iova, size_t size,
- size_t granule, void *cookie)
-{
- __flush_iotlb_range(iova, size, granule, true, cookie);
-}
-
static void __flush_iotlb_page(struct iommu_iotlb_gather *gather,
unsigned long iova, size_t granule, void *cookie)
{
@@ -189,7 +183,6 @@ static void __flush_iotlb_page(struct iommu_iotlb_gather *gather,
static const struct iommu_flush_ops msm_iommu_flush_ops = {
.tlb_flush_all = __flush_iotlb,
.tlb_flush_walk = __flush_iotlb_walk,
- .tlb_flush_leaf = __flush_iotlb_leaf,
.tlb_add_page = __flush_iotlb_page,
};
@@ -350,7 +343,6 @@ static int msm_iommu_domain_config(struct msm_priv *priv)
spin_lock_init(&priv->pgtlock);
priv->cfg = (struct io_pgtable_cfg) {
- .quirks = IO_PGTABLE_QUIRK_TLBI_ON_MAP,
.pgsize_bitmap = msm_iommu_ops.pgsize_bitmap,
.ias = 32,
.oas = 32,
@@ -497,6 +489,14 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long iova,
return ret;
}
+static void msm_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
+ size_t size)
+{
+ struct msm_priv *priv = to_msm_priv(domain);
+
+ __flush_iotlb_range(iova, size, SZ_4K, false, priv);
+}
+
static size_t msm_iommu_unmap(struct iommu_domain *domain, unsigned long iova,
size_t len, struct iommu_iotlb_gather *gather)
{
@@ -687,6 +687,7 @@ static struct iommu_ops msm_iommu_ops = {
* kick starting the other master.
*/
.iotlb_sync = NULL,
+ .iotlb_sync_map = msm_iommu_sync_map,
.iova_to_phys = msm_iommu_iova_to_phys,
.probe_device = msm_iommu_probe_device,
.release_device = msm_iommu_release_device,
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 19387d2..e168a68 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -3,10 +3,12 @@
* Copyright (c) 2015-2016 MediaTek Inc.
* Author: Yong Wu <yong.wu@mediatek.com>
*/
+#include <linux/bitfield.h>
#include <linux/bug.h>
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/device.h>
+#include <linux/dma-direct.h>
#include <linux/dma-iommu.h>
#include <linux/err.h>
#include <linux/interrupt.h>
@@ -20,6 +22,7 @@
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -88,6 +91,9 @@
#define F_REG_MMU1_FAULT_MASK GENMASK(13, 7)
#define REG_MMU0_FAULT_VA 0x13c
+#define F_MMU_INVAL_VA_31_12_MASK GENMASK(31, 12)
+#define F_MMU_INVAL_VA_34_32_MASK GENMASK(11, 9)
+#define F_MMU_INVAL_PA_34_32_MASK GENMASK(8, 6)
#define F_MMU_FAULT_VA_WRITE_BIT BIT(1)
#define F_MMU_FAULT_VA_LAYER_BIT BIT(0)
@@ -103,13 +109,6 @@
#define MTK_PROTECT_PA_ALIGN 256
-/*
- * Get the local arbiter ID and the portid within the larb arbiter
- * from mtk_m4u_id which is defined by MTK_M4U_ID.
- */
-#define MTK_M4U_TO_LARB(id) (((id) >> 5) & 0xf)
-#define MTK_M4U_TO_PORT(id) ((id) & 0x1f)
-
#define HAS_4GB_MODE BIT(0)
/* HW will use the EMI clock if there isn't the "bclk". */
#define HAS_BCLK BIT(1)
@@ -119,6 +118,7 @@
#define HAS_SUB_COMM BIT(5)
#define WR_THROT_EN BIT(6)
#define HAS_LEGACY_IVRP_PADDR BIT(7)
+#define IOVA_34_EN BIT(8)
#define MTK_IOMMU_HAS_FLAG(pdata, _x) \
((((pdata)->flags) & (_x)) == (_x))
@@ -127,11 +127,19 @@ struct mtk_iommu_domain {
struct io_pgtable_cfg cfg;
struct io_pgtable_ops *iop;
+ struct mtk_iommu_data *data;
struct iommu_domain domain;
};
static const struct iommu_ops mtk_iommu_ops;
+static int mtk_iommu_hw_init(const struct mtk_iommu_data *data);
+
+#define MTK_IOMMU_TLB_ADDR(iova) ({ \
+ dma_addr_t _addr = iova; \
+ ((lower_32_bits(_addr) & GENMASK(31, 12)) | upper_32_bits(_addr));\
+})
+
/*
* In M4U 4GB mode, the physical address is remapped as below:
*
@@ -160,6 +168,25 @@ static LIST_HEAD(m4ulist); /* List all the M4U HWs */
#define for_each_m4u(data) list_for_each_entry(data, &m4ulist, list)
+struct mtk_iommu_iova_region {
+ dma_addr_t iova_base;
+ unsigned long long size;
+};
+
+static const struct mtk_iommu_iova_region single_domain[] = {
+ {.iova_base = 0, .size = SZ_4G},
+};
+
+static const struct mtk_iommu_iova_region mt8192_multi_dom[] = {
+ { .iova_base = 0x0, .size = SZ_4G}, /* disp: 0 ~ 4G */
+ #if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)
+ { .iova_base = SZ_4G, .size = SZ_4G}, /* vdec: 4G ~ 8G */
+ { .iova_base = SZ_4G * 2, .size = SZ_4G}, /* CAM/MDP: 8G ~ 12G */
+ { .iova_base = 0x240000000ULL, .size = 0x4000000}, /* CCU0 */
+ { .iova_base = 0x244000000ULL, .size = 0x4000000}, /* CCU1 */
+ #endif
+};
+
/*
* There may be 1 or 2 M4U HWs, But we always expect they are in the same domain
* for the performance.
@@ -182,33 +209,43 @@ static struct mtk_iommu_domain *to_mtk_domain(struct iommu_domain *dom)
return container_of(dom, struct mtk_iommu_domain, domain);
}
-static void mtk_iommu_tlb_flush_all(void *cookie)
+static void mtk_iommu_tlb_flush_all(struct mtk_iommu_data *data)
{
- struct mtk_iommu_data *data = cookie;
-
for_each_m4u(data) {
+ if (pm_runtime_get_if_in_use(data->dev) <= 0)
+ continue;
+
writel_relaxed(F_INVLD_EN1 | F_INVLD_EN0,
data->base + data->plat_data->inv_sel_reg);
writel_relaxed(F_ALL_INVLD, data->base + REG_MMU_INVALIDATE);
wmb(); /* Make sure the tlb flush all done */
+
+ pm_runtime_put(data->dev);
}
}
static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size,
- size_t granule, void *cookie)
+ size_t granule,
+ struct mtk_iommu_data *data)
{
- struct mtk_iommu_data *data = cookie;
+ bool has_pm = !!data->dev->pm_domain;
unsigned long flags;
int ret;
u32 tmp;
for_each_m4u(data) {
+ if (has_pm) {
+ if (pm_runtime_get_if_in_use(data->dev) <= 0)
+ continue;
+ }
+
spin_lock_irqsave(&data->tlb_lock, flags);
writel_relaxed(F_INVLD_EN1 | F_INVLD_EN0,
data->base + data->plat_data->inv_sel_reg);
- writel_relaxed(iova, data->base + REG_MMU_INVLD_START_A);
- writel_relaxed(iova + size - 1,
+ writel_relaxed(MTK_IOMMU_TLB_ADDR(iova),
+ data->base + REG_MMU_INVLD_START_A);
+ writel_relaxed(MTK_IOMMU_TLB_ADDR(iova + size - 1),
data->base + REG_MMU_INVLD_END_A);
writel_relaxed(F_MMU_INV_RANGE,
data->base + REG_MMU_INVALIDATE);
@@ -219,37 +256,24 @@ static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size,
if (ret) {
dev_warn(data->dev,
"Partial TLB flush timed out, falling back to full flush\n");
- mtk_iommu_tlb_flush_all(cookie);
+ mtk_iommu_tlb_flush_all(data);
}
/* Clear the CPE status */
writel_relaxed(0, data->base + REG_MMU_CPE_DONE);
spin_unlock_irqrestore(&data->tlb_lock, flags);
+
+ if (has_pm)
+ pm_runtime_put(data->dev);
}
}
-static void mtk_iommu_tlb_flush_page_nosync(struct iommu_iotlb_gather *gather,
- unsigned long iova, size_t granule,
- void *cookie)
-{
- struct mtk_iommu_data *data = cookie;
- struct iommu_domain *domain = &data->m4u_dom->domain;
-
- iommu_iotlb_gather_add_page(domain, gather, iova, granule);
-}
-
-static const struct iommu_flush_ops mtk_iommu_flush_ops = {
- .tlb_flush_all = mtk_iommu_tlb_flush_all,
- .tlb_flush_walk = mtk_iommu_tlb_flush_range_sync,
- .tlb_flush_leaf = mtk_iommu_tlb_flush_range_sync,
- .tlb_add_page = mtk_iommu_tlb_flush_page_nosync,
-};
-
static irqreturn_t mtk_iommu_isr(int irq, void *dev_id)
{
struct mtk_iommu_data *data = dev_id;
struct mtk_iommu_domain *dom = data->m4u_dom;
- u32 int_state, regval, fault_iova, fault_pa;
unsigned int fault_larb, fault_port, sub_comm = 0;
+ u32 int_state, regval, va34_32, pa34_32;
+ u64 fault_iova, fault_pa;
bool layer, write;
/* Read error info from registers */
@@ -265,6 +289,14 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id)
}
layer = fault_iova & F_MMU_FAULT_VA_LAYER_BIT;
write = fault_iova & F_MMU_FAULT_VA_WRITE_BIT;
+ if (MTK_IOMMU_HAS_FLAG(data->plat_data, IOVA_34_EN)) {
+ va34_32 = FIELD_GET(F_MMU_INVAL_VA_34_32_MASK, fault_iova);
+ pa34_32 = FIELD_GET(F_MMU_INVAL_PA_34_32_MASK, fault_iova);
+ fault_iova = fault_iova & F_MMU_INVAL_VA_31_12_MASK;
+ fault_iova |= (u64)va34_32 << 32;
+ fault_pa |= (u64)pa34_32 << 32;
+ }
+
fault_port = F_MMU_INT_ID_PORT_ID(regval);
if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_SUB_COMM)) {
fault_larb = F_MMU_INT_ID_COMM_ID(regval);
@@ -278,7 +310,7 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id)
write ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ)) {
dev_err_ratelimited(
data->dev,
- "fault type=0x%x iova=0x%x pa=0x%x larb=%d port=%d layer=%d %s\n",
+ "fault type=0x%x iova=0x%llx pa=0x%llx larb=%d port=%d layer=%d %s\n",
int_state, fault_iova, fault_pa, fault_larb, fault_port,
layer, write ? "write" : "read");
}
@@ -293,21 +325,57 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void mtk_iommu_config(struct mtk_iommu_data *data,
- struct device *dev, bool enable)
+static int mtk_iommu_get_domain_id(struct device *dev,
+ const struct mtk_iommu_plat_data *plat_data)
+{
+ const struct mtk_iommu_iova_region *rgn = plat_data->iova_region;
+ const struct bus_dma_region *dma_rgn = dev->dma_range_map;
+ int i, candidate = -1;
+ dma_addr_t dma_end;
+
+ if (!dma_rgn || plat_data->iova_region_nr == 1)
+ return 0;
+
+ dma_end = dma_rgn->dma_start + dma_rgn->size - 1;
+ for (i = 0; i < plat_data->iova_region_nr; i++, rgn++) {
+ /* Best fit. */
+ if (dma_rgn->dma_start == rgn->iova_base &&
+ dma_end == rgn->iova_base + rgn->size - 1)
+ return i;
+ /* ok if it is inside this region. */
+ if (dma_rgn->dma_start >= rgn->iova_base &&
+ dma_end < rgn->iova_base + rgn->size)
+ candidate = i;
+ }
+
+ if (candidate >= 0)
+ return candidate;
+ dev_err(dev, "Can NOT find the iommu domain id(%pad 0x%llx).\n",
+ &dma_rgn->dma_start, dma_rgn->size);
+ return -EINVAL;
+}
+
+static void mtk_iommu_config(struct mtk_iommu_data *data, struct device *dev,
+ bool enable, unsigned int domid)
{
struct mtk_smi_larb_iommu *larb_mmu;
unsigned int larbid, portid;
struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
+ const struct mtk_iommu_iova_region *region;
int i;
for (i = 0; i < fwspec->num_ids; ++i) {
larbid = MTK_M4U_TO_LARB(fwspec->ids[i]);
portid = MTK_M4U_TO_PORT(fwspec->ids[i]);
+
larb_mmu = &data->larb_imu[larbid];
- dev_dbg(dev, "%s iommu port: %d\n",
- enable ? "enable" : "disable", portid);
+ region = data->plat_data->iova_region + domid;
+ larb_mmu->bank[portid] = upper_32_bits(region->iova_base);
+
+ dev_dbg(dev, "%s iommu for larb(%s) port %d dom %d bank %d.\n",
+ enable ? "enable" : "disable", dev_name(larb_mmu->dev),
+ portid, domid, larb_mmu->bank[portid]);
if (enable)
larb_mmu->mmu |= MTK_SMI_MMU_EN(portid);
@@ -316,22 +384,34 @@ static void mtk_iommu_config(struct mtk_iommu_data *data,
}
}
-static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom)
+static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom,
+ struct mtk_iommu_data *data,
+ unsigned int domid)
{
- struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
+ const struct mtk_iommu_iova_region *region;
+
+ /* Use the exist domain as there is only one pgtable here. */
+ if (data->m4u_dom) {
+ dom->iop = data->m4u_dom->iop;
+ dom->cfg = data->m4u_dom->cfg;
+ dom->domain.pgsize_bitmap = data->m4u_dom->cfg.pgsize_bitmap;
+ goto update_iova_region;
+ }
dom->cfg = (struct io_pgtable_cfg) {
.quirks = IO_PGTABLE_QUIRK_ARM_NS |
IO_PGTABLE_QUIRK_NO_PERMS |
- IO_PGTABLE_QUIRK_TLBI_ON_MAP |
IO_PGTABLE_QUIRK_ARM_MTK_EXT,
.pgsize_bitmap = mtk_iommu_ops.pgsize_bitmap,
- .ias = 32,
- .oas = 34,
- .tlb = &mtk_iommu_flush_ops,
+ .ias = MTK_IOMMU_HAS_FLAG(data->plat_data, IOVA_34_EN) ? 34 : 32,
.iommu_dev = data->dev,
};
+ if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_4GB_MODE))
+ dom->cfg.oas = data->enable_4GB ? 33 : 32;
+ else
+ dom->cfg.oas = 35;
+
dom->iop = alloc_io_pgtable_ops(ARM_V7S, &dom->cfg, data);
if (!dom->iop) {
dev_err(data->dev, "Failed to alloc io pgtable\n");
@@ -340,6 +420,13 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom)
/* Update our support page sizes bitmap */
dom->domain.pgsize_bitmap = dom->cfg.pgsize_bitmap;
+
+update_iova_region:
+ /* Update the iova region for this domain */
+ region = data->plat_data->iova_region + domid;
+ dom->domain.geometry.aperture_start = region->iova_base;
+ dom->domain.geometry.aperture_end = region->iova_base + region->size - 1;
+ dom->domain.geometry.force_aperture = true;
return 0;
}
@@ -354,30 +441,16 @@ static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type)
if (!dom)
return NULL;
- if (iommu_get_dma_cookie(&dom->domain))
- goto free_dom;
-
- if (mtk_iommu_domain_finalise(dom))
- goto put_dma_cookie;
-
- dom->domain.geometry.aperture_start = 0;
- dom->domain.geometry.aperture_end = DMA_BIT_MASK(32);
- dom->domain.geometry.force_aperture = true;
+ if (iommu_get_dma_cookie(&dom->domain)) {
+ kfree(dom);
+ return NULL;
+ }
return &dom->domain;
-
-put_dma_cookie:
- iommu_put_dma_cookie(&dom->domain);
-free_dom:
- kfree(dom);
- return NULL;
}
static void mtk_iommu_domain_free(struct iommu_domain *domain)
{
- struct mtk_iommu_domain *dom = to_mtk_domain(domain);
-
- free_io_pgtable_ops(dom->iop);
iommu_put_dma_cookie(domain);
kfree(to_mtk_domain(domain));
}
@@ -387,18 +460,37 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain,
{
struct mtk_iommu_data *data = dev_iommu_priv_get(dev);
struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+ struct device *m4udev = data->dev;
+ int ret, domid;
- if (!data)
- return -ENODEV;
+ domid = mtk_iommu_get_domain_id(dev, data->plat_data);
+ if (domid < 0)
+ return domid;
- /* Update the pgtable base address register of the M4U HW */
- if (!data->m4u_dom) {
+ if (!dom->data) {
+ if (mtk_iommu_domain_finalise(dom, data, domid))
+ return -ENODEV;
+ dom->data = data;
+ }
+
+ if (!data->m4u_dom) { /* Initialize the M4U HW */
+ ret = pm_runtime_resume_and_get(m4udev);
+ if (ret < 0)
+ return ret;
+
+ ret = mtk_iommu_hw_init(data);
+ if (ret) {
+ pm_runtime_put(m4udev);
+ return ret;
+ }
data->m4u_dom = dom;
writel(dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK,
data->base + REG_MMU_PT_BASE_ADDR);
+
+ pm_runtime_put(m4udev);
}
- mtk_iommu_config(data, dev, true);
+ mtk_iommu_config(data, dev, true, domid);
return 0;
}
@@ -407,20 +499,16 @@ static void mtk_iommu_detach_device(struct iommu_domain *domain,
{
struct mtk_iommu_data *data = dev_iommu_priv_get(dev);
- if (!data)
- return;
-
- mtk_iommu_config(data, dev, false);
+ mtk_iommu_config(data, dev, false, 0);
}
static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
{
struct mtk_iommu_domain *dom = to_mtk_domain(domain);
- struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
/* The "4GB mode" M4U physically can not use the lower remap of Dram. */
- if (data->enable_4GB)
+ if (dom->data->enable_4GB)
paddr |= BIT_ULL(32);
/* Synchronize with the tlb_lock */
@@ -432,37 +520,48 @@ static size_t mtk_iommu_unmap(struct iommu_domain *domain,
struct iommu_iotlb_gather *gather)
{
struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+ unsigned long end = iova + size - 1;
+ if (gather->start > iova)
+ gather->start = iova;
+ if (gather->end < end)
+ gather->end = end;
return dom->iop->unmap(dom->iop, iova, size, gather);
}
static void mtk_iommu_flush_iotlb_all(struct iommu_domain *domain)
{
- mtk_iommu_tlb_flush_all(mtk_iommu_get_m4u_data());
+ struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+
+ mtk_iommu_tlb_flush_all(dom->data);
}
static void mtk_iommu_iotlb_sync(struct iommu_domain *domain,
struct iommu_iotlb_gather *gather)
{
- struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
+ struct mtk_iommu_domain *dom = to_mtk_domain(domain);
size_t length = gather->end - gather->start + 1;
- if (gather->start == ULONG_MAX)
- return;
-
mtk_iommu_tlb_flush_range_sync(gather->start, length, gather->pgsize,
- data);
+ dom->data);
+}
+
+static void mtk_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
+ size_t size)
+{
+ struct mtk_iommu_domain *dom = to_mtk_domain(domain);
+
+ mtk_iommu_tlb_flush_range_sync(iova, size, size, dom->data);
}
static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain,
dma_addr_t iova)
{
struct mtk_iommu_domain *dom = to_mtk_domain(domain);
- struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
phys_addr_t pa;
pa = dom->iop->iova_to_phys(dom->iop, iova);
- if (data->enable_4GB && pa >= MTK_IOMMU_4GB_MODE_REMAP_BASE)
+ if (dom->data->enable_4GB && pa >= MTK_IOMMU_4GB_MODE_REMAP_BASE)
pa &= ~BIT_ULL(32);
return pa;
@@ -494,19 +593,25 @@ static void mtk_iommu_release_device(struct device *dev)
static struct iommu_group *mtk_iommu_device_group(struct device *dev)
{
struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
+ struct iommu_group *group;
+ int domid;
if (!data)
return ERR_PTR(-ENODEV);
- /* All the client devices are in the same m4u iommu-group */
- if (!data->m4u_group) {
- data->m4u_group = iommu_group_alloc();
- if (IS_ERR(data->m4u_group))
- dev_err(dev, "Failed to allocate M4U IOMMU group\n");
+ domid = mtk_iommu_get_domain_id(dev, data->plat_data);
+ if (domid < 0)
+ return ERR_PTR(domid);
+
+ group = data->m4u_group[domid];
+ if (!group) {
+ group = iommu_group_alloc();
+ if (!IS_ERR(group))
+ data->m4u_group[domid] = group;
} else {
- iommu_group_ref_get(data->m4u_group);
+ iommu_group_ref_get(group);
}
- return data->m4u_group;
+ return group;
}
static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
@@ -531,6 +636,35 @@ static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
return iommu_fwspec_add_ids(dev, args->args, 1);
}
+static void mtk_iommu_get_resv_regions(struct device *dev,
+ struct list_head *head)
+{
+ struct mtk_iommu_data *data = dev_iommu_priv_get(dev);
+ unsigned int domid = mtk_iommu_get_domain_id(dev, data->plat_data), i;
+ const struct mtk_iommu_iova_region *resv, *curdom;
+ struct iommu_resv_region *region;
+ int prot = IOMMU_WRITE | IOMMU_READ;
+
+ if ((int)domid < 0)
+ return;
+ curdom = data->plat_data->iova_region + domid;
+ for (i = 0; i < data->plat_data->iova_region_nr; i++) {
+ resv = data->plat_data->iova_region + i;
+
+ /* Only reserve when the region is inside the current domain */
+ if (resv->iova_base <= curdom->iova_base ||
+ resv->iova_base + resv->size >= curdom->iova_base + curdom->size)
+ continue;
+
+ region = iommu_alloc_resv_region(resv->iova_base, resv->size,
+ prot, IOMMU_RESV_RESERVED);
+ if (!region)
+ return;
+
+ list_add_tail(®ion->list, head);
+ }
+}
+
static const struct iommu_ops mtk_iommu_ops = {
.domain_alloc = mtk_iommu_domain_alloc,
.domain_free = mtk_iommu_domain_free,
@@ -540,24 +674,20 @@ static const struct iommu_ops mtk_iommu_ops = {
.unmap = mtk_iommu_unmap,
.flush_iotlb_all = mtk_iommu_flush_iotlb_all,
.iotlb_sync = mtk_iommu_iotlb_sync,
+ .iotlb_sync_map = mtk_iommu_sync_map,
.iova_to_phys = mtk_iommu_iova_to_phys,
.probe_device = mtk_iommu_probe_device,
.release_device = mtk_iommu_release_device,
.device_group = mtk_iommu_device_group,
.of_xlate = mtk_iommu_of_xlate,
+ .get_resv_regions = mtk_iommu_get_resv_regions,
+ .put_resv_regions = generic_iommu_put_resv_regions,
.pgsize_bitmap = SZ_4K | SZ_64K | SZ_1M | SZ_16M,
};
static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
{
u32 regval;
- int ret;
-
- ret = clk_prepare_enable(data->bclk);
- if (ret) {
- dev_err(data->dev, "Failed to enable iommu bclk(%d)\n", ret);
- return ret;
- }
if (data->plat_data->m4u_plat == M4U_MT8173) {
regval = F_MMU_PREFETCH_RT_REPLACE_MOD |
@@ -623,7 +753,6 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
if (devm_request_irq(data->dev, data->irq, mtk_iommu_isr, 0,
dev_name(data->dev), (void *)data)) {
writel_relaxed(0, data->base + REG_MMU_PT_BASE_ADDR);
- clk_disable_unprepare(data->bclk);
dev_err(data->dev, "Failed @ IRQ-%d Request\n", data->irq);
return -ENODEV;
}
@@ -640,6 +769,9 @@ static int mtk_iommu_probe(struct platform_device *pdev)
{
struct mtk_iommu_data *data;
struct device *dev = &pdev->dev;
+ struct device_node *larbnode, *smicomm_node;
+ struct platform_device *plarbdev;
+ struct device_link *link;
struct resource *res;
resource_size_t ioaddr;
struct component_match *match = NULL;
@@ -706,8 +838,6 @@ static int mtk_iommu_probe(struct platform_device *pdev)
return larb_nr;
for (i = 0; i < larb_nr; i++) {
- struct device_node *larbnode;
- struct platform_device *plarbdev;
u32 id;
larbnode = of_parse_phandle(dev->of_node, "mediatek,larbs", i);
@@ -734,31 +864,65 @@ static int mtk_iommu_probe(struct platform_device *pdev)
compare_of, larbnode);
}
- platform_set_drvdata(pdev, data);
+ /* Get smi-common dev from the last larb. */
+ smicomm_node = of_parse_phandle(larbnode, "mediatek,smi", 0);
+ if (!smicomm_node)
+ return -EINVAL;
- ret = mtk_iommu_hw_init(data);
- if (ret)
- return ret;
+ plarbdev = of_find_device_by_node(smicomm_node);
+ of_node_put(smicomm_node);
+ data->smicomm_dev = &plarbdev->dev;
+
+ pm_runtime_enable(dev);
+
+ link = device_link_add(data->smicomm_dev, dev,
+ DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME);
+ if (!link) {
+ dev_err(dev, "Unable to link %s.\n", dev_name(data->smicomm_dev));
+ ret = -EINVAL;
+ goto out_runtime_disable;
+ }
+
+ platform_set_drvdata(pdev, data);
ret = iommu_device_sysfs_add(&data->iommu, dev, NULL,
"mtk-iommu.%pa", &ioaddr);
if (ret)
- return ret;
+ goto out_link_remove;
iommu_device_set_ops(&data->iommu, &mtk_iommu_ops);
iommu_device_set_fwnode(&data->iommu, &pdev->dev.of_node->fwnode);
ret = iommu_device_register(&data->iommu);
if (ret)
- return ret;
+ goto out_sysfs_remove;
spin_lock_init(&data->tlb_lock);
list_add_tail(&data->list, &m4ulist);
- if (!iommu_present(&platform_bus_type))
- bus_set_iommu(&platform_bus_type, &mtk_iommu_ops);
+ if (!iommu_present(&platform_bus_type)) {
+ ret = bus_set_iommu(&platform_bus_type, &mtk_iommu_ops);
+ if (ret)
+ goto out_list_del;
+ }
- return component_master_add_with_match(dev, &mtk_iommu_com_ops, match);
+ ret = component_master_add_with_match(dev, &mtk_iommu_com_ops, match);
+ if (ret)
+ goto out_bus_set_null;
+ return ret;
+
+out_bus_set_null:
+ bus_set_iommu(&platform_bus_type, NULL);
+out_list_del:
+ list_del(&data->list);
+ iommu_device_unregister(&data->iommu);
+out_sysfs_remove:
+ iommu_device_sysfs_remove(&data->iommu);
+out_link_remove:
+ device_link_remove(data->smicomm_dev, dev);
+out_runtime_disable:
+ pm_runtime_disable(dev);
+ return ret;
}
static int mtk_iommu_remove(struct platform_device *pdev)
@@ -772,12 +936,14 @@ static int mtk_iommu_remove(struct platform_device *pdev)
bus_set_iommu(&platform_bus_type, NULL);
clk_disable_unprepare(data->bclk);
+ device_link_remove(data->smicomm_dev, &pdev->dev);
+ pm_runtime_disable(&pdev->dev);
devm_free_irq(&pdev->dev, data->irq, data);
component_master_del(&pdev->dev, &mtk_iommu_com_ops);
return 0;
}
-static int __maybe_unused mtk_iommu_suspend(struct device *dev)
+static int __maybe_unused mtk_iommu_runtime_suspend(struct device *dev)
{
struct mtk_iommu_data *data = dev_get_drvdata(dev);
struct mtk_iommu_suspend_reg *reg = &data->reg;
@@ -795,7 +961,7 @@ static int __maybe_unused mtk_iommu_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused mtk_iommu_resume(struct device *dev)
+static int __maybe_unused mtk_iommu_runtime_resume(struct device *dev)
{
struct mtk_iommu_data *data = dev_get_drvdata(dev);
struct mtk_iommu_suspend_reg *reg = &data->reg;
@@ -808,6 +974,14 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev)
dev_err(data->dev, "Failed to enable clk(%d) in resume\n", ret);
return ret;
}
+
+ /*
+ * Uppon first resume, only enable the clk and return, since the values of the
+ * registers are not yet set.
+ */
+ if (!m4u_dom)
+ return 0;
+
writel_relaxed(reg->wr_len_ctrl, base + REG_MMU_WR_LEN_CTRL);
writel_relaxed(reg->misc_ctrl, base + REG_MMU_MISC_CTRL);
writel_relaxed(reg->dcm_dis, base + REG_MMU_DCM_DIS);
@@ -816,20 +990,22 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev)
writel_relaxed(reg->int_main_control, base + REG_MMU_INT_MAIN_CONTROL);
writel_relaxed(reg->ivrp_paddr, base + REG_MMU_IVRP_PADDR);
writel_relaxed(reg->vld_pa_rng, base + REG_MMU_VLD_PA_RNG);
- if (m4u_dom)
- writel(m4u_dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK,
- base + REG_MMU_PT_BASE_ADDR);
+ writel(m4u_dom->cfg.arm_v7s_cfg.ttbr & MMU_PT_ADDR_MASK, base + REG_MMU_PT_BASE_ADDR);
return 0;
}
static const struct dev_pm_ops mtk_iommu_pm_ops = {
- SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mtk_iommu_suspend, mtk_iommu_resume)
+ SET_RUNTIME_PM_OPS(mtk_iommu_runtime_suspend, mtk_iommu_runtime_resume, NULL)
+ SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
};
static const struct mtk_iommu_plat_data mt2712_data = {
.m4u_plat = M4U_MT2712,
.flags = HAS_4GB_MODE | HAS_BCLK | HAS_VLD_PA_RNG,
.inv_sel_reg = REG_MMU_INV_SEL_GEN1,
+ .iova_region = single_domain,
+ .iova_region_nr = ARRAY_SIZE(single_domain),
.larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}},
};
@@ -837,6 +1013,8 @@ static const struct mtk_iommu_plat_data mt6779_data = {
.m4u_plat = M4U_MT6779,
.flags = HAS_SUB_COMM | OUT_ORDER_WR_EN | WR_THROT_EN,
.inv_sel_reg = REG_MMU_INV_SEL_GEN2,
+ .iova_region = single_domain,
+ .iova_region_nr = ARRAY_SIZE(single_domain),
.larbid_remap = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}},
};
@@ -844,6 +1022,8 @@ static const struct mtk_iommu_plat_data mt8167_data = {
.m4u_plat = M4U_MT8167,
.flags = RESET_AXI | HAS_LEGACY_IVRP_PADDR,
.inv_sel_reg = REG_MMU_INV_SEL_GEN1,
+ .iova_region = single_domain,
+ .iova_region_nr = ARRAY_SIZE(single_domain),
.larbid_remap = {{0}, {1}, {2}}, /* Linear mapping. */
};
@@ -852,6 +1032,8 @@ static const struct mtk_iommu_plat_data mt8173_data = {
.flags = HAS_4GB_MODE | HAS_BCLK | RESET_AXI |
HAS_LEGACY_IVRP_PADDR,
.inv_sel_reg = REG_MMU_INV_SEL_GEN1,
+ .iova_region = single_domain,
+ .iova_region_nr = ARRAY_SIZE(single_domain),
.larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}}, /* Linear mapping. */
};
@@ -859,15 +1041,29 @@ static const struct mtk_iommu_plat_data mt8183_data = {
.m4u_plat = M4U_MT8183,
.flags = RESET_AXI,
.inv_sel_reg = REG_MMU_INV_SEL_GEN1,
+ .iova_region = single_domain,
+ .iova_region_nr = ARRAY_SIZE(single_domain),
.larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}},
};
+static const struct mtk_iommu_plat_data mt8192_data = {
+ .m4u_plat = M4U_MT8192,
+ .flags = HAS_BCLK | HAS_SUB_COMM | OUT_ORDER_WR_EN |
+ WR_THROT_EN | IOVA_34_EN,
+ .inv_sel_reg = REG_MMU_INV_SEL_GEN2,
+ .iova_region = mt8192_multi_dom,
+ .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom),
+ .larbid_remap = {{0}, {1}, {4, 5}, {7}, {2}, {9, 11, 19, 20},
+ {0, 14, 16}, {0, 13, 18, 17}},
+};
+
static const struct of_device_id mtk_iommu_of_ids[] = {
{ .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},
{ .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},
{ .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data},
{ .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},
{ .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},
+ { .compatible = "mediatek,mt8192-m4u", .data = &mt8192_data},
{}
};
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index df32b3e..f81fa88 100644
--- a/drivers/iommu/mtk_iommu.h
+++ b/drivers/iommu/mtk_iommu.h
@@ -17,10 +17,13 @@
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
#include <soc/mediatek/smi.h>
+#include <dt-bindings/memory/mtk-memory-port.h>
#define MTK_LARB_COM_MAX 8
#define MTK_LARB_SUBCOM_MAX 4
+#define MTK_IOMMU_GROUP_MAX 8
+
struct mtk_iommu_suspend_reg {
union {
u32 standard_axi_mode;/* v1 */
@@ -42,12 +45,18 @@ enum mtk_iommu_plat {
M4U_MT8167,
M4U_MT8173,
M4U_MT8183,
+ M4U_MT8192,
};
+struct mtk_iommu_iova_region;
+
struct mtk_iommu_plat_data {
enum mtk_iommu_plat m4u_plat;
u32 flags;
u32 inv_sel_reg;
+
+ unsigned int iova_region_nr;
+ const struct mtk_iommu_iova_region *iova_region;
unsigned char larbid_remap[MTK_LARB_COM_MAX][MTK_LARB_SUBCOM_MAX];
};
@@ -61,12 +70,13 @@ struct mtk_iommu_data {
phys_addr_t protect_base; /* protect memory base */
struct mtk_iommu_suspend_reg reg;
struct mtk_iommu_domain *m4u_dom;
- struct iommu_group *m4u_group;
+ struct iommu_group *m4u_group[MTK_IOMMU_GROUP_MAX];
bool enable_4GB;
spinlock_t tlb_lock; /* lock for tlb range flush */
struct iommu_device iommu;
const struct mtk_iommu_plat_data *plat_data;
+ struct device *smicomm_dev;
struct dma_iommu_mapping *mapping; /* For mtk_iommu_v1.c */
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index fac7202..05e8e19 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -261,7 +261,8 @@ static int gart_iommu_of_xlate(struct device *dev,
return 0;
}
-static void gart_iommu_sync_map(struct iommu_domain *domain)
+static void gart_iommu_sync_map(struct iommu_domain *domain, unsigned long iova,
+ size_t size)
{
FLUSH_GART_REGS(gart_handle);
}
@@ -269,7 +270,9 @@ static void gart_iommu_sync_map(struct iommu_domain *domain)
static void gart_iommu_sync(struct iommu_domain *domain,
struct iommu_iotlb_gather *gather)
{
- gart_iommu_sync_map(domain);
+ size_t length = gather->end - gather->start;
+
+ gart_iommu_sync_map(domain, gather->start, length);
}
static const struct iommu_ops gart_iommu_ops = {
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index dc062e8..c44e1f31 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -416,8 +416,9 @@
Support for the UniPhier AIDET (ARM Interrupt Detector).
config MESON_IRQ_GPIO
- bool "Meson GPIO Interrupt Multiplexer"
- depends on ARCH_MESON
+ tristate "Meson GPIO Interrupt Multiplexer"
+ depends on ARCH_MESON || COMPILE_TEST
+ default ARCH_MESON
select IRQ_DOMAIN_HIERARCHY
help
Support Meson SoC Family GPIO Interrupt Multiplexer
@@ -432,8 +433,9 @@
for Goldfish based virtual platforms.
config QCOM_PDC
- bool "QCOM PDC"
+ tristate "QCOM PDC"
depends on ARCH_QCOM
+ depends on QCOM_SCM || !QCOM_SCM
select IRQ_DOMAIN_HIERARCHY
help
Power Domain Controller driver to manage and configure wakeup
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 95e0b82..c92b5a2 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3841,8 +3841,6 @@ static void its_vpe_schedule(struct its_vpe *vpe)
val |= vpe->idai ? GICR_VPENDBASER_IDAI : 0;
val |= GICR_VPENDBASER_Valid;
gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
-
- its_wait_vpt_parse_complete();
}
static void its_vpe_deschedule(struct its_vpe *vpe)
@@ -3890,6 +3888,10 @@ static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
its_vpe_deschedule(vpe);
return 0;
+ case COMMIT_VPE:
+ its_wait_vpt_parse_complete();
+ return 0;
+
case INVALL_VPE:
its_vpe_invall(vpe);
return 0;
@@ -4051,8 +4053,6 @@ static void its_vpe_4_1_schedule(struct its_vpe *vpe,
val |= FIELD_PREP(GICR_VPENDBASER_4_1_VPEID, vpe->vpe_id);
gicr_write_vpendbaser(val, vlpi_base + GICR_VPENDBASER);
-
- its_wait_vpt_parse_complete();
}
static void its_vpe_4_1_deschedule(struct its_vpe *vpe,
@@ -4127,6 +4127,10 @@ static int its_vpe_4_1_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
its_vpe_4_1_deschedule(vpe, info);
return 0;
+ case COMMIT_VPE:
+ its_wait_vpt_parse_complete();
+ return 0;
+
case INVALL_VPE:
its_vpe_4_1_invall(vpe);
return 0;
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 1bdb7ac..da5d5fe 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -18,6 +18,10 @@
#include <linux/percpu.h>
#include <linux/refcount.h>
#include <linux/slab.h>
+#include <linux/syscore_ops.h>
+#include <linux/wakeup_reason.h>
+#include <trace/hooks/gic_v3.h>
+
#include <linux/irqchip.h>
#include <linux/irqchip/arm-gic-common.h>
@@ -29,6 +33,8 @@
#include <asm/smp_plat.h>
#include <asm/virt.h>
+#include <trace/hooks/gic.h>
+
#include "irq-gic-common.h"
#define GICD_INT_NMI_PRI (GICD_INT_DEF_PRI & ~0x80)
@@ -44,20 +50,6 @@ struct redist_region {
bool single_redist;
};
-struct gic_chip_data {
- struct fwnode_handle *fwnode;
- void __iomem *dist_base;
- struct redist_region *redist_regions;
- struct rdists rdists;
- struct irq_domain *domain;
- u64 redist_stride;
- u32 nr_redist_regions;
- u64 flags;
- bool has_rss;
- unsigned int ppi_nr;
- struct partition_desc **ppi_descs;
-};
-
static struct gic_chip_data gic_data __read_mostly;
static DEFINE_STATIC_KEY_TRUE(supports_deactivate_key);
@@ -725,6 +717,7 @@ static asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs
if (handle_domain_irq(gic_data.domain, irqnr, regs)) {
WARN_ONCE(true, "Unexpected interrupt received!\n");
+ log_abnormal_wakeup_reason("unexpected HW IRQ %u", irqnr);
gic_deactivate_unhandled(irqnr);
}
}
@@ -819,11 +812,15 @@ static void __init gic_dist_init(void)
* enabled.
*/
affinity = gic_mpidr_to_affinity(cpu_logical_map(smp_processor_id()));
- for (i = 32; i < GIC_LINE_NR; i++)
+ for (i = 32; i < GIC_LINE_NR; i++) {
+ trace_android_vh_gic_v3_affinity_init(i, GICD_IROUTER, &affinity);
gic_write_irouter(affinity, base + GICD_IROUTER + i * 8);
+ }
- for (i = 0; i < GIC_ESPI_NR; i++)
+ for (i = 0; i < GIC_ESPI_NR; i++) {
+ trace_android_vh_gic_v3_affinity_init(i, GICD_IROUTERnE, &affinity);
gic_write_irouter(affinity, base + GICD_IROUTERnE + i * 8);
+ }
}
static int gic_iterate_rdists(int (*fn)(struct redist_region *, void __iomem *))
@@ -1255,6 +1252,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
reg = gic_dist_base(d) + offset + (index * 8);
val = gic_mpidr_to_affinity(cpu_logical_map(cpu));
+ trace_android_rvh_gic_v3_set_affinity(d, mask_val, &val, force, gic_dist_base(d));
gic_write_irouter(val, reg);
/*
@@ -1309,6 +1307,28 @@ static void gic_cpu_pm_init(void)
static inline void gic_cpu_pm_init(void) { }
#endif /* CONFIG_CPU_PM */
+#ifdef CONFIG_PM
+void gic_resume(void)
+{
+ trace_android_vh_gic_resume(&gic_data);
+}
+EXPORT_SYMBOL_GPL(gic_resume);
+
+static struct syscore_ops gic_syscore_ops = {
+ .resume = gic_resume,
+};
+
+static void gic_syscore_init(void)
+{
+ register_syscore_ops(&gic_syscore_ops);
+}
+
+#else
+static inline void gic_syscore_init(void) { }
+void gic_resume(void) { }
+#endif
+
+
static struct irq_chip gic_chip = {
.name = "GICv3",
.irq_mask = gic_mask_irq,
@@ -1765,6 +1785,7 @@ static int __init gic_init_bases(void __iomem *dist_base,
gic_cpu_init();
gic_smp_init();
gic_cpu_pm_init();
+ gic_syscore_init();
if (gic_dist_supports_lpis()) {
its_init(handle, &gic_data.rdists, gic_data.domain);
diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c
index 0c18714ae..5d1dc99 100644
--- a/drivers/irqchip/irq-gic-v4.c
+++ b/drivers/irqchip/irq-gic-v4.c
@@ -232,6 +232,8 @@ int its_make_vpe_non_resident(struct its_vpe *vpe, bool db)
if (!ret)
vpe->resident = false;
+ vpe->ready = false;
+
return ret;
}
@@ -258,6 +260,23 @@ int its_make_vpe_resident(struct its_vpe *vpe, bool g0en, bool g1en)
return ret;
}
+int its_commit_vpe(struct its_vpe *vpe)
+{
+ struct its_cmd_info info = {
+ .cmd_type = COMMIT_VPE,
+ };
+ int ret;
+
+ WARN_ON(preemptible());
+
+ ret = its_send_vpe_cmd(vpe, &info);
+ if (!ret)
+ vpe->ready = true;
+
+ return ret;
+}
+
+
int its_invall_vpe(struct its_vpe *vpe)
{
struct its_cmd_info info = {
diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c
index bc7aebc..e3b462b 100644
--- a/drivers/irqchip/irq-meson-gpio.c
+++ b/drivers/irqchip/irq-meson-gpio.c
@@ -15,6 +15,7 @@
#include <linux/irqchip.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_irq.h>
#define NUM_CHANNEL 8
#define MAX_INPUT_MUX 256
@@ -136,6 +137,7 @@ static const struct of_device_id meson_irq_gpio_matches[] = {
struct meson_gpio_irq_controller {
const struct meson_gpio_irq_params *params;
void __iomem *base;
+ struct irq_domain *domain;
u32 channel_irqs[NUM_CHANNEL];
DECLARE_BITMAP(channel_map, NUM_CHANNEL);
spinlock_t lock;
@@ -436,8 +438,8 @@ static const struct irq_domain_ops meson_gpio_irq_domain_ops = {
.translate = meson_gpio_irq_domain_translate,
};
-static int __init meson_gpio_irq_parse_dt(struct device_node *node,
- struct meson_gpio_irq_controller *ctl)
+static int meson_gpio_irq_parse_dt(struct device_node *node,
+ struct meson_gpio_irq_controller *ctl)
{
const struct of_device_id *match;
int ret;
@@ -463,63 +465,84 @@ static int __init meson_gpio_irq_parse_dt(struct device_node *node,
return 0;
}
-static int __init meson_gpio_irq_of_init(struct device_node *node,
- struct device_node *parent)
+static int meson_gpio_intc_probe(struct platform_device *pdev)
{
- struct irq_domain *domain, *parent_domain;
+ struct device_node *node = pdev->dev.of_node, *parent;
struct meson_gpio_irq_controller *ctl;
+ struct irq_domain *parent_domain;
+ struct resource *res;
int ret;
+ parent = of_irq_find_parent(node);
if (!parent) {
- pr_err("missing parent interrupt node\n");
+ dev_err(&pdev->dev, "missing parent interrupt node\n");
return -ENODEV;
}
parent_domain = irq_find_host(parent);
if (!parent_domain) {
- pr_err("unable to obtain parent domain\n");
+ dev_err(&pdev->dev, "unable to obtain parent domain\n");
return -ENXIO;
}
- ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
+ ctl = devm_kzalloc(&pdev->dev, sizeof(*ctl), GFP_KERNEL);
if (!ctl)
return -ENOMEM;
spin_lock_init(&ctl->lock);
- ctl->base = of_iomap(node, 0);
- if (!ctl->base) {
- ret = -ENOMEM;
- goto free_ctl;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ ctl->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(ctl->base))
+ return PTR_ERR(ctl->base);
ret = meson_gpio_irq_parse_dt(node, ctl);
if (ret)
- goto free_channel_irqs;
+ return ret;
- domain = irq_domain_create_hierarchy(parent_domain, 0,
- ctl->params->nr_hwirq,
- of_node_to_fwnode(node),
- &meson_gpio_irq_domain_ops,
- ctl);
- if (!domain) {
- pr_err("failed to add domain\n");
- ret = -ENODEV;
- goto free_channel_irqs;
+ ctl->domain = irq_domain_create_hierarchy(parent_domain, 0,
+ ctl->params->nr_hwirq,
+ of_node_to_fwnode(node),
+ &meson_gpio_irq_domain_ops,
+ ctl);
+ if (!ctl->domain) {
+ dev_err(&pdev->dev, "failed to add domain\n");
+ return -ENODEV;
}
- pr_info("%d to %d gpio interrupt mux initialized\n",
- ctl->params->nr_hwirq, NUM_CHANNEL);
+ platform_set_drvdata(pdev, ctl);
+
+ dev_info(&pdev->dev, "%d to %d gpio interrupt mux initialized\n",
+ ctl->params->nr_hwirq, NUM_CHANNEL);
return 0;
-
-free_channel_irqs:
- iounmap(ctl->base);
-free_ctl:
- kfree(ctl);
-
- return ret;
}
-IRQCHIP_DECLARE(meson_gpio_intc, "amlogic,meson-gpio-intc",
- meson_gpio_irq_of_init);
+static int meson_gpio_intc_remove(struct platform_device *pdev)
+{
+ struct meson_gpio_irq_controller *ctl = platform_get_drvdata(pdev);
+
+ irq_domain_remove(ctl->domain);
+
+ return 0;
+}
+
+static const struct of_device_id meson_gpio_intc_of_match[] = {
+ { .compatible = "amlogic,meson-gpio-intc", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, meson_gpio_intc_of_match);
+
+static struct platform_driver meson_gpio_intc_driver = {
+ .probe = meson_gpio_intc_probe,
+ .remove = meson_gpio_intc_remove,
+ .driver = {
+ .name = "meson-gpio-intc",
+ .of_match_table = meson_gpio_intc_of_match,
+ },
+};
+module_platform_driver(meson_gpio_intc_driver);
+
+MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:meson-gpio-intc");
diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
index 5dc63c2..3145e54 100644
--- a/drivers/irqchip/qcom-pdc.c
+++ b/drivers/irqchip/qcom-pdc.c
@@ -11,14 +11,18 @@
#include <linux/irqdomain.h>
#include <linux/io.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
+#include <linux/of_irq.h>
#include <linux/soc/qcom/irq.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/types.h>
+#include <linux/qcom_scm.h>
+
#define PDC_MAX_IRQS 168
#define PDC_MAX_GPIO_IRQS 256
@@ -36,10 +40,20 @@ struct pdc_pin_region {
u32 cnt;
};
+struct spi_cfg_regs {
+ union {
+ u64 start;
+ void __iomem *base;
+ };
+ resource_size_t size;
+ bool scm_io;
+};
+
static DEFINE_RAW_SPINLOCK(pdc_lock);
static void __iomem *pdc_base;
static struct pdc_pin_region *pdc_region;
static int pdc_region_cnt;
+static struct spi_cfg_regs *spi_cfg;
static void pdc_reg_write(int reg, u32 i, u32 val)
{
@@ -51,26 +65,6 @@ static u32 pdc_reg_read(int reg, u32 i)
return readl_relaxed(pdc_base + reg + i * sizeof(u32));
}
-static int qcom_pdc_gic_get_irqchip_state(struct irq_data *d,
- enum irqchip_irq_state which,
- bool *state)
-{
- if (d->hwirq == GPIO_NO_WAKE_IRQ)
- return 0;
-
- return irq_chip_get_parent_state(d, which, state);
-}
-
-static int qcom_pdc_gic_set_irqchip_state(struct irq_data *d,
- enum irqchip_irq_state which,
- bool value)
-{
- if (d->hwirq == GPIO_NO_WAKE_IRQ)
- return 0;
-
- return irq_chip_set_parent_state(d, which, value);
-}
-
static void pdc_enable_intr(struct irq_data *d, bool on)
{
int pin_out = d->hwirq;
@@ -89,36 +83,65 @@ static void pdc_enable_intr(struct irq_data *d, bool on)
static void qcom_pdc_gic_disable(struct irq_data *d)
{
- if (d->hwirq == GPIO_NO_WAKE_IRQ)
- return;
-
pdc_enable_intr(d, false);
irq_chip_disable_parent(d);
}
static void qcom_pdc_gic_enable(struct irq_data *d)
{
- if (d->hwirq == GPIO_NO_WAKE_IRQ)
- return;
-
pdc_enable_intr(d, true);
irq_chip_enable_parent(d);
}
-static void qcom_pdc_gic_mask(struct irq_data *d)
+static u32 __spi_pin_read(unsigned int pin)
{
- if (d->hwirq == GPIO_NO_WAKE_IRQ)
- return;
+ void __iomem *cfg_reg = spi_cfg->base + pin * 4;
+ u64 scm_cfg_reg = spi_cfg->start + pin * 4;
- irq_chip_mask_parent(d);
+ if (spi_cfg->scm_io) {
+ unsigned int val;
+
+ qcom_scm_io_readl(scm_cfg_reg, &val);
+ return val;
+ } else {
+ return readl(cfg_reg);
+ }
}
-static void qcom_pdc_gic_unmask(struct irq_data *d)
+static void __spi_pin_write(unsigned int pin, unsigned int val)
{
- if (d->hwirq == GPIO_NO_WAKE_IRQ)
- return;
+ void __iomem *cfg_reg = spi_cfg->base + pin * 4;
+ u64 scm_cfg_reg = spi_cfg->start + pin * 4;
- irq_chip_unmask_parent(d);
+ if (spi_cfg->scm_io)
+ qcom_scm_io_writel(scm_cfg_reg, val);
+ else
+ writel(val, cfg_reg);
+}
+
+static int spi_configure_type(irq_hw_number_t hwirq, unsigned int type)
+{
+ int spi = hwirq - 32;
+ u32 pin = spi / 32;
+ u32 mask = BIT(spi % 32);
+ u32 val;
+ unsigned long flags;
+
+ if (!spi_cfg)
+ return 0;
+
+ if (pin * 4 > spi_cfg->size)
+ return -EFAULT;
+
+ raw_spin_lock_irqsave(&pdc_lock, flags);
+ val = __spi_pin_read(pin);
+ val &= ~mask;
+ if (type & IRQ_TYPE_LEVEL_MASK)
+ val |= mask;
+ __spi_pin_write(pin, val);
+ raw_spin_unlock_irqrestore(&pdc_lock, flags);
+
+ return 0;
}
/*
@@ -157,14 +180,11 @@ enum pdc_irq_config_bits {
*/
static int qcom_pdc_gic_set_type(struct irq_data *d, unsigned int type)
{
- int pin_out = d->hwirq;
+ int parent_hwirq = d->parent_data->hwirq;
enum pdc_irq_config_bits pdc_type;
enum pdc_irq_config_bits old_pdc_type;
int ret;
- if (pin_out == GPIO_NO_WAKE_IRQ)
- return 0;
-
switch (type) {
case IRQ_TYPE_EDGE_RISING:
pdc_type = PDC_EDGE_RISING;
@@ -189,8 +209,13 @@ static int qcom_pdc_gic_set_type(struct irq_data *d, unsigned int type)
return -EINVAL;
}
- old_pdc_type = pdc_reg_read(IRQ_i_CFG, pin_out);
- pdc_reg_write(IRQ_i_CFG, pin_out, pdc_type);
+ old_pdc_type = pdc_reg_read(IRQ_i_CFG, d->hwirq);
+ pdc_reg_write(IRQ_i_CFG, d->hwirq, pdc_type);
+
+ /* Additionally, configure (only) the GPIO in the f/w */
+ ret = spi_configure_type(parent_hwirq, type);
+ if (ret)
+ return ret;
ret = irq_chip_set_type_parent(d, type);
if (ret)
@@ -214,12 +239,12 @@ static int qcom_pdc_gic_set_type(struct irq_data *d, unsigned int type)
static struct irq_chip qcom_pdc_gic_chip = {
.name = "PDC",
.irq_eoi = irq_chip_eoi_parent,
- .irq_mask = qcom_pdc_gic_mask,
- .irq_unmask = qcom_pdc_gic_unmask,
+ .irq_mask = irq_chip_mask_parent,
+ .irq_unmask = irq_chip_unmask_parent,
.irq_disable = qcom_pdc_gic_disable,
.irq_enable = qcom_pdc_gic_enable,
- .irq_get_irqchip_state = qcom_pdc_gic_get_irqchip_state,
- .irq_set_irqchip_state = qcom_pdc_gic_set_irqchip_state,
+ .irq_get_irqchip_state = irq_chip_get_parent_state,
+ .irq_set_irqchip_state = irq_chip_set_parent_state,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_set_type = qcom_pdc_gic_set_type,
.flags = IRQCHIP_MASK_ON_SUSPEND |
@@ -280,7 +305,7 @@ static int qcom_pdc_alloc(struct irq_domain *domain, unsigned int virq,
parent_hwirq = get_parent_hwirq(hwirq);
if (parent_hwirq == PDC_NO_PARENT_IRQ)
- return 0;
+ return irq_domain_disconnect_hierarchy(domain->parent, virq);
if (type & IRQ_TYPE_EDGE_BOTH)
type = IRQ_TYPE_EDGE_RISING;
@@ -317,17 +342,17 @@ static int qcom_pdc_gpio_alloc(struct irq_domain *domain, unsigned int virq,
if (ret)
return ret;
+ if (hwirq == GPIO_NO_WAKE_IRQ)
+ return irq_domain_disconnect_hierarchy(domain, virq);
+
ret = irq_domain_set_hwirq_and_chip(domain, virq, hwirq,
&qcom_pdc_gic_chip, NULL);
if (ret)
return ret;
- if (hwirq == GPIO_NO_WAKE_IRQ)
- return 0;
-
parent_hwirq = get_parent_hwirq(hwirq);
if (parent_hwirq == PDC_NO_PARENT_IRQ)
- return 0;
+ return irq_domain_disconnect_hierarchy(domain->parent, virq);
if (type & IRQ_TYPE_EDGE_BOTH)
type = IRQ_TYPE_EDGE_RISING;
@@ -406,6 +431,7 @@ static int pdc_setup_pin_mapping(struct device_node *np)
static int qcom_pdc_init(struct device_node *node, struct device_node *parent)
{
struct irq_domain *parent_domain, *pdc_domain, *pdc_gpio_domain;
+ struct resource res;
int ret;
pdc_base = of_iomap(node, 0);
@@ -436,6 +462,27 @@ static int qcom_pdc_init(struct device_node *node, struct device_node *parent)
goto fail;
}
+ ret = of_address_to_resource(node, 1, &res);
+ if (!ret) {
+ spi_cfg = kcalloc(1, sizeof(*spi_cfg), GFP_KERNEL);
+ if (!spi_cfg) {
+ ret = -ENOMEM;
+ goto remove;
+ }
+ spi_cfg->scm_io = of_find_property(node,
+ "qcom,scm-spi-cfg", NULL);
+ spi_cfg->size = resource_size(&res);
+ if (spi_cfg->scm_io) {
+ spi_cfg->start = res.start;
+ } else {
+ spi_cfg->base = ioremap(res.start, spi_cfg->size);
+ if (!spi_cfg->base) {
+ ret = -ENOMEM;
+ goto remove;
+ }
+ }
+ }
+
pdc_gpio_domain = irq_domain_create_hierarchy(parent_domain,
IRQ_DOMAIN_FLAG_QCOM_PDC_WAKEUP,
PDC_MAX_GPIO_IRQS,
@@ -453,10 +500,35 @@ static int qcom_pdc_init(struct device_node *node, struct device_node *parent)
remove:
irq_domain_remove(pdc_domain);
+ kfree(spi_cfg);
fail:
kfree(pdc_region);
iounmap(pdc_base);
return ret;
}
-IRQCHIP_DECLARE(qcom_pdc, "qcom,pdc", qcom_pdc_init);
+static int qcom_pdc_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct device_node *parent = of_irq_find_parent(np);
+
+ return qcom_pdc_init(np, parent);
+}
+
+static const struct of_device_id qcom_pdc_match_table[] = {
+ { .compatible = "qcom,pdc" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, qcom_pdc_match_table);
+
+static struct platform_driver qcom_pdc_driver = {
+ .probe = qcom_pdc_probe,
+ .driver = {
+ .name = "qcom-pdc",
+ .of_match_table = qcom_pdc_match_table,
+ .suppress_bind_attrs = true,
+ },
+};
+module_platform_driver(qcom_pdc_driver);
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Power Domain Controller");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 2cefb07..7b335da 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -286,6 +286,27 @@
If unsure, say N.
+config DM_DEFAULT_KEY
+ tristate "Default-key target support"
+ depends on BLK_DEV_DM
+ depends on BLK_INLINE_ENCRYPTION
+ # dm-default-key doesn't require -o inlinecrypt, but it does currently
+ # rely on the inline encryption hooks being built into the kernel.
+ depends on FS_ENCRYPTION_INLINE_CRYPT
+ help
+ This device-mapper target allows you to create a device that
+ assigns a default encryption key to bios that aren't for the
+ contents of an encrypted file.
+
+ This ensures that all blocks on-disk will be encrypted with
+ some key, without the performance hit of file contents being
+ encrypted twice when fscrypt (File-Based Encryption) is used.
+
+ It is only appropriate to use dm-default-key when key
+ configuration is tightly controlled, like it is in Android,
+ such that all fscrypt keys are at least as hard to compromise
+ as the default key.
+
config DM_SNAPSHOT
tristate "Snapshot target"
depends on BLK_DEV_DM
@@ -619,4 +640,30 @@
If unsure, say N.
+config DM_BOW
+ tristate "Backup block device"
+ depends on BLK_DEV_DM
+ select DM_BUFIO
+ help
+ This device-mapper target takes a device and keeps a log of all
+ changes using free blocks identified by issuing a trim command.
+ This can then be restored by running a command line utility,
+ or committed by simply replacing the target.
+
+ If unsure, say N.
+
+config DM_USER
+ tristate "Block device in userspace"
+ depends on BLK_DEV_DM
+ default y
+ help
+ This device-mapper target allows a userspace daemon to provide the
+ contents of a block device. See
+ <file:Documentation/block/dm-user.rst> for more information.
+
+ To compile this code as a module, choose M here: the module will be
+ called dm-user.
+
+ If unsure, say N.
+
endif # MD
diff --git a/drivers/md/Makefile b/drivers/md/Makefile
index 6d3e234..848c0ab 100644
--- a/drivers/md/Makefile
+++ b/drivers/md/Makefile
@@ -52,6 +52,7 @@
obj-$(CONFIG_DM_BUFIO) += dm-bufio.o
obj-$(CONFIG_DM_BIO_PRISON) += dm-bio-prison.o
obj-$(CONFIG_DM_CRYPT) += dm-crypt.o
+obj-$(CONFIG_DM_DEFAULT_KEY) += dm-default-key.o
obj-$(CONFIG_DM_DELAY) += dm-delay.o
obj-$(CONFIG_DM_DUST) += dm-dust.o
obj-$(CONFIG_DM_FLAKEY) += dm-flakey.o
@@ -77,6 +78,8 @@
obj-$(CONFIG_DM_INTEGRITY) += dm-integrity.o
obj-$(CONFIG_DM_ZONED) += dm-zoned.o
obj-$(CONFIG_DM_WRITECACHE) += dm-writecache.o
+obj-$(CONFIG_DM_BOW) += dm-bow.o
+obj-$(CONFIG_DM_USER) += dm-user.o
ifeq ($(CONFIG_DM_INIT),y)
dm-mod-objs += dm-init.o
diff --git a/drivers/md/dm-bow.c b/drivers/md/dm-bow.c
new file mode 100644
index 0000000..cfd1fa63
--- /dev/null
+++ b/drivers/md/dm-bow.c
@@ -0,0 +1,1297 @@
+/*
+ * Copyright (C) 2018 Google Limited.
+ *
+ * This file is released under the GPL.
+ */
+
+#include "dm.h"
+#include "dm-core.h"
+
+#include <linux/crc32.h>
+#include <linux/dm-bufio.h>
+#include <linux/module.h>
+
+#define DM_MSG_PREFIX "bow"
+
+struct log_entry {
+ u64 source;
+ u64 dest;
+ u32 size;
+ u32 checksum;
+} __packed;
+
+struct log_sector {
+ u32 magic;
+ u16 header_version;
+ u16 header_size;
+ u32 block_size;
+ u32 count;
+ u32 sequence;
+ sector_t sector0;
+ struct log_entry entries[];
+} __packed;
+
+/*
+ * MAGIC is BOW in ascii
+ */
+#define MAGIC 0x00574f42
+#define HEADER_VERSION 0x0100
+
+/*
+ * A sorted set of ranges representing the state of the data on the device.
+ * Use an rb_tree for fast lookup of a given sector
+ * Consecutive ranges are always of different type - operations on this
+ * set must merge matching consecutive ranges.
+ *
+ * Top range is always of type TOP
+ */
+struct bow_range {
+ struct rb_node node;
+ sector_t sector;
+ enum {
+ INVALID, /* Type not set */
+ SECTOR0, /* First sector - holds log record */
+ SECTOR0_CURRENT,/* Live contents of sector0 */
+ UNCHANGED, /* Original contents */
+ TRIMMED, /* Range has been trimmed */
+ CHANGED, /* Range has been changed */
+ BACKUP, /* Range is being used as a backup */
+ TOP, /* Final range - sector is size of device */
+ } type;
+ struct list_head trimmed_list; /* list of TRIMMED ranges */
+};
+
+static const char * const readable_type[] = {
+ "Invalid",
+ "Sector0",
+ "Sector0_current",
+ "Unchanged",
+ "Free",
+ "Changed",
+ "Backup",
+ "Top",
+};
+
+enum state {
+ TRIM,
+ CHECKPOINT,
+ COMMITTED,
+};
+
+struct bow_context {
+ struct dm_dev *dev;
+ u32 block_size;
+ u32 block_shift;
+ struct workqueue_struct *workqueue;
+ struct dm_bufio_client *bufio;
+ struct mutex ranges_lock; /* Hold to access this struct and/or ranges */
+ struct rb_root ranges;
+ struct dm_kobject_holder kobj_holder; /* for sysfs attributes */
+ atomic_t state; /* One of the enum state values above */
+ u64 trims_total;
+ struct log_sector *log_sector;
+ struct list_head trimmed_list;
+ bool forward_trims;
+};
+
+sector_t range_top(struct bow_range *br)
+{
+ return container_of(rb_next(&br->node), struct bow_range, node)
+ ->sector;
+}
+
+u64 range_size(struct bow_range *br)
+{
+ return (range_top(br) - br->sector) * SECTOR_SIZE;
+}
+
+static sector_t bvec_top(struct bvec_iter *bi_iter)
+{
+ return bi_iter->bi_sector + bi_iter->bi_size / SECTOR_SIZE;
+}
+
+/*
+ * Find the first range that overlaps with bi_iter
+ * bi_iter is set to the size of the overlapping sub-range
+ */
+static struct bow_range *find_first_overlapping_range(struct rb_root *ranges,
+ struct bvec_iter *bi_iter)
+{
+ struct rb_node *node = ranges->rb_node;
+ struct bow_range *br;
+
+ while (node) {
+ br = container_of(node, struct bow_range, node);
+
+ if (br->sector <= bi_iter->bi_sector
+ && bi_iter->bi_sector < range_top(br))
+ break;
+
+ if (bi_iter->bi_sector < br->sector)
+ node = node->rb_left;
+ else
+ node = node->rb_right;
+ }
+
+ WARN_ON(!node);
+ if (!node)
+ return NULL;
+
+ if (range_top(br) - bi_iter->bi_sector
+ < bi_iter->bi_size >> SECTOR_SHIFT)
+ bi_iter->bi_size = (range_top(br) - bi_iter->bi_sector)
+ << SECTOR_SHIFT;
+
+ return br;
+}
+
+void add_before(struct rb_root *ranges, struct bow_range *new_br,
+ struct bow_range *existing)
+{
+ struct rb_node *parent = &(existing->node);
+ struct rb_node **link = &(parent->rb_left);
+
+ while (*link) {
+ parent = *link;
+ link = &((*link)->rb_right);
+ }
+
+ rb_link_node(&new_br->node, parent, link);
+ rb_insert_color(&new_br->node, ranges);
+}
+
+/*
+ * Given a range br returned by find_first_overlapping_range, split br into a
+ * leading range, a range matching the bi_iter and a trailing range.
+ * Leading and trailing may end up size 0 and will then be deleted. The
+ * new range matching the bi_iter is then returned and should have its type
+ * and type specific fields populated.
+ * If bi_iter runs off the end of the range, bi_iter is truncated accordingly
+ */
+static int split_range(struct bow_context *bc, struct bow_range **br,
+ struct bvec_iter *bi_iter)
+{
+ struct bow_range *new_br;
+
+ if (bi_iter->bi_sector < (*br)->sector) {
+ WARN_ON(true);
+ return BLK_STS_IOERR;
+ }
+
+ if (bi_iter->bi_sector > (*br)->sector) {
+ struct bow_range *leading_br =
+ kzalloc(sizeof(*leading_br), GFP_KERNEL);
+
+ if (!leading_br)
+ return BLK_STS_RESOURCE;
+
+ *leading_br = **br;
+ if (leading_br->type == TRIMMED)
+ list_add(&leading_br->trimmed_list, &bc->trimmed_list);
+
+ add_before(&bc->ranges, leading_br, *br);
+ (*br)->sector = bi_iter->bi_sector;
+ }
+
+ if (bvec_top(bi_iter) >= range_top(*br)) {
+ bi_iter->bi_size = (range_top(*br) - (*br)->sector)
+ * SECTOR_SIZE;
+ return BLK_STS_OK;
+ }
+
+ /* new_br will be the beginning, existing br will be the tail */
+ new_br = kzalloc(sizeof(*new_br), GFP_KERNEL);
+ if (!new_br)
+ return BLK_STS_RESOURCE;
+
+ new_br->sector = (*br)->sector;
+ (*br)->sector = bvec_top(bi_iter);
+ add_before(&bc->ranges, new_br, *br);
+ *br = new_br;
+
+ return BLK_STS_OK;
+}
+
+/*
+ * Sets type of a range. May merge range into surrounding ranges
+ * Since br may be invalidated, always sets br to NULL to prevent
+ * usage after this is called
+ */
+static void set_type(struct bow_context *bc, struct bow_range **br, int type)
+{
+ struct bow_range *prev = container_of(rb_prev(&(*br)->node),
+ struct bow_range, node);
+ struct bow_range *next = container_of(rb_next(&(*br)->node),
+ struct bow_range, node);
+
+ if ((*br)->type == TRIMMED) {
+ bc->trims_total -= range_size(*br);
+ list_del(&(*br)->trimmed_list);
+ }
+
+ if (type == TRIMMED) {
+ bc->trims_total += range_size(*br);
+ list_add(&(*br)->trimmed_list, &bc->trimmed_list);
+ }
+
+ (*br)->type = type;
+
+ if (next->type == type) {
+ if (type == TRIMMED)
+ list_del(&next->trimmed_list);
+ rb_erase(&next->node, &bc->ranges);
+ kfree(next);
+ }
+
+ if (prev->type == type) {
+ if (type == TRIMMED)
+ list_del(&(*br)->trimmed_list);
+ rb_erase(&(*br)->node, &bc->ranges);
+ kfree(*br);
+ }
+
+ *br = NULL;
+}
+
+static struct bow_range *find_free_range(struct bow_context *bc)
+{
+ if (list_empty(&bc->trimmed_list)) {
+ DMERR("Unable to find free space to back up to");
+ return NULL;
+ }
+
+ return list_first_entry(&bc->trimmed_list, struct bow_range,
+ trimmed_list);
+}
+
+static sector_t sector_to_page(struct bow_context const *bc, sector_t sector)
+{
+ WARN_ON((sector & (((sector_t)1 << (bc->block_shift - SECTOR_SHIFT)) - 1))
+ != 0);
+ return sector >> (bc->block_shift - SECTOR_SHIFT);
+}
+
+static int copy_data(struct bow_context const *bc,
+ struct bow_range *source, struct bow_range *dest,
+ u32 *checksum)
+{
+ int i;
+
+ if (range_size(source) != range_size(dest)) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+
+ if (checksum)
+ *checksum = sector_to_page(bc, source->sector);
+
+ for (i = 0; i < range_size(source) >> bc->block_shift; ++i) {
+ struct dm_buffer *read_buffer, *write_buffer;
+ u8 *read, *write;
+ sector_t page = sector_to_page(bc, source->sector) + i;
+
+ read = dm_bufio_read(bc->bufio, page, &read_buffer);
+ if (IS_ERR(read)) {
+ DMERR("Cannot read page %llu",
+ (unsigned long long)page);
+ return PTR_ERR(read);
+ }
+
+ if (checksum)
+ *checksum = crc32(*checksum, read, bc->block_size);
+
+ write = dm_bufio_new(bc->bufio,
+ sector_to_page(bc, dest->sector) + i,
+ &write_buffer);
+ if (IS_ERR(write)) {
+ DMERR("Cannot write sector");
+ dm_bufio_release(read_buffer);
+ return PTR_ERR(write);
+ }
+
+ memcpy(write, read, bc->block_size);
+
+ dm_bufio_mark_buffer_dirty(write_buffer);
+ dm_bufio_release(write_buffer);
+ dm_bufio_release(read_buffer);
+ }
+
+ dm_bufio_write_dirty_buffers(bc->bufio);
+ return BLK_STS_OK;
+}
+
+/****** logging functions ******/
+
+static int add_log_entry(struct bow_context *bc, sector_t source, sector_t dest,
+ unsigned int size, u32 checksum);
+
+static int backup_log_sector(struct bow_context *bc)
+{
+ struct bow_range *first_br, *free_br;
+ struct bvec_iter bi_iter;
+ u32 checksum = 0;
+ int ret;
+
+ first_br = container_of(rb_first(&bc->ranges), struct bow_range, node);
+
+ if (first_br->type != SECTOR0) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+
+ if (range_size(first_br) != bc->block_size) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+
+ free_br = find_free_range(bc);
+ /* No space left - return this error to userspace */
+ if (!free_br)
+ return BLK_STS_NOSPC;
+ bi_iter.bi_sector = free_br->sector;
+ bi_iter.bi_size = bc->block_size;
+ ret = split_range(bc, &free_br, &bi_iter);
+ if (ret)
+ return ret;
+ if (bi_iter.bi_size != bc->block_size) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+
+ ret = copy_data(bc, first_br, free_br, &checksum);
+ if (ret)
+ return ret;
+
+ bc->log_sector->count = 0;
+ bc->log_sector->sequence++;
+ ret = add_log_entry(bc, first_br->sector, free_br->sector,
+ range_size(first_br), checksum);
+ if (ret)
+ return ret;
+
+ set_type(bc, &free_br, BACKUP);
+ return BLK_STS_OK;
+}
+
+static int add_log_entry(struct bow_context *bc, sector_t source, sector_t dest,
+ unsigned int size, u32 checksum)
+{
+ struct dm_buffer *sector_buffer;
+ u8 *sector;
+
+ if (sizeof(struct log_sector)
+ + sizeof(struct log_entry) * (bc->log_sector->count + 1)
+ > bc->block_size) {
+ int ret = backup_log_sector(bc);
+
+ if (ret)
+ return ret;
+ }
+
+ sector = dm_bufio_new(bc->bufio, 0, §or_buffer);
+ if (IS_ERR(sector)) {
+ DMERR("Cannot write boot sector");
+ dm_bufio_release(sector_buffer);
+ return BLK_STS_NOSPC;
+ }
+
+ bc->log_sector->entries[bc->log_sector->count].source = source;
+ bc->log_sector->entries[bc->log_sector->count].dest = dest;
+ bc->log_sector->entries[bc->log_sector->count].size = size;
+ bc->log_sector->entries[bc->log_sector->count].checksum = checksum;
+ bc->log_sector->count++;
+
+ memcpy(sector, bc->log_sector, bc->block_size);
+ dm_bufio_mark_buffer_dirty(sector_buffer);
+ dm_bufio_release(sector_buffer);
+ dm_bufio_write_dirty_buffers(bc->bufio);
+ return BLK_STS_OK;
+}
+
+static int prepare_log(struct bow_context *bc)
+{
+ struct bow_range *free_br, *first_br;
+ struct bvec_iter bi_iter;
+ u32 checksum = 0;
+ int ret;
+
+ /* Carve out first sector as log sector */
+ first_br = container_of(rb_first(&bc->ranges), struct bow_range, node);
+ if (first_br->type != UNCHANGED) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+
+ if (range_size(first_br) < bc->block_size) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+ bi_iter.bi_sector = 0;
+ bi_iter.bi_size = bc->block_size;
+ ret = split_range(bc, &first_br, &bi_iter);
+ if (ret)
+ return ret;
+ first_br->type = SECTOR0;
+ if (range_size(first_br) != bc->block_size) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+
+ /* Find free sector for active sector0 reads/writes */
+ free_br = find_free_range(bc);
+ if (!free_br)
+ return BLK_STS_NOSPC;
+ bi_iter.bi_sector = free_br->sector;
+ bi_iter.bi_size = bc->block_size;
+ ret = split_range(bc, &free_br, &bi_iter);
+ if (ret)
+ return ret;
+ free_br->type = SECTOR0_CURRENT;
+
+ /* Copy data */
+ ret = copy_data(bc, first_br, free_br, NULL);
+ if (ret)
+ return ret;
+
+ bc->log_sector->sector0 = free_br->sector;
+
+ /* Find free sector to back up original sector zero */
+ free_br = find_free_range(bc);
+ if (!free_br)
+ return BLK_STS_NOSPC;
+ bi_iter.bi_sector = free_br->sector;
+ bi_iter.bi_size = bc->block_size;
+ ret = split_range(bc, &free_br, &bi_iter);
+ if (ret)
+ return ret;
+
+ /* Back up */
+ ret = copy_data(bc, first_br, free_br, &checksum);
+ if (ret)
+ return ret;
+
+ /*
+ * Set up our replacement boot sector - it will get written when we
+ * add the first log entry, which we do immediately
+ */
+ bc->log_sector->magic = MAGIC;
+ bc->log_sector->header_version = HEADER_VERSION;
+ bc->log_sector->header_size = sizeof(*bc->log_sector);
+ bc->log_sector->block_size = bc->block_size;
+ bc->log_sector->count = 0;
+ bc->log_sector->sequence = 0;
+
+ /* Add log entry */
+ ret = add_log_entry(bc, first_br->sector, free_br->sector,
+ range_size(first_br), checksum);
+ if (ret)
+ return ret;
+
+ set_type(bc, &free_br, BACKUP);
+ return BLK_STS_OK;
+}
+
+static struct bow_range *find_sector0_current(struct bow_context *bc)
+{
+ struct bvec_iter bi_iter;
+
+ bi_iter.bi_sector = bc->log_sector->sector0;
+ bi_iter.bi_size = bc->block_size;
+ return find_first_overlapping_range(&bc->ranges, &bi_iter);
+}
+
+/****** sysfs interface functions ******/
+
+static ssize_t state_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ struct bow_context *bc = container_of(kobj, struct bow_context,
+ kobj_holder.kobj);
+
+ return scnprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&bc->state));
+}
+
+static ssize_t state_store(struct kobject *kobj, struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct bow_context *bc = container_of(kobj, struct bow_context,
+ kobj_holder.kobj);
+ enum state state, original_state;
+ int ret;
+
+ state = buf[0] - '0';
+ if (state < TRIM || state > COMMITTED) {
+ DMERR("State value %d out of range", state);
+ return -EINVAL;
+ }
+
+ mutex_lock(&bc->ranges_lock);
+ original_state = atomic_read(&bc->state);
+ if (state != original_state + 1) {
+ DMERR("Invalid state change from %d to %d",
+ original_state, state);
+ ret = -EINVAL;
+ goto bad;
+ }
+
+ DMINFO("Switching to state %s", state == CHECKPOINT ? "Checkpoint"
+ : state == COMMITTED ? "Committed" : "Unknown");
+
+ if (state == CHECKPOINT) {
+ ret = prepare_log(bc);
+ if (ret) {
+ DMERR("Failed to switch to checkpoint state");
+ goto bad;
+ }
+ } else if (state == COMMITTED) {
+ struct bow_range *br = find_sector0_current(bc);
+ struct bow_range *sector0_br =
+ container_of(rb_first(&bc->ranges), struct bow_range,
+ node);
+
+ ret = copy_data(bc, br, sector0_br, 0);
+ if (ret) {
+ DMERR("Failed to switch to committed state");
+ goto bad;
+ }
+ }
+ atomic_inc(&bc->state);
+ ret = count;
+
+bad:
+ mutex_unlock(&bc->ranges_lock);
+ return ret;
+}
+
+static ssize_t free_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ struct bow_context *bc = container_of(kobj, struct bow_context,
+ kobj_holder.kobj);
+ u64 trims_total;
+
+ mutex_lock(&bc->ranges_lock);
+ trims_total = bc->trims_total;
+ mutex_unlock(&bc->ranges_lock);
+
+ return scnprintf(buf, PAGE_SIZE, "%llu\n", trims_total);
+}
+
+static struct kobj_attribute attr_state = __ATTR_RW(state);
+static struct kobj_attribute attr_free = __ATTR_RO(free);
+
+static struct attribute *bow_attrs[] = {
+ &attr_state.attr,
+ &attr_free.attr,
+ NULL
+};
+
+static struct kobj_type bow_ktype = {
+ .sysfs_ops = &kobj_sysfs_ops,
+ .default_attrs = bow_attrs,
+ .release = dm_kobject_release
+};
+
+/****** constructor/destructor ******/
+
+static void dm_bow_dtr(struct dm_target *ti)
+{
+ struct bow_context *bc = (struct bow_context *) ti->private;
+ struct kobject *kobj;
+
+ while (rb_first(&bc->ranges)) {
+ struct bow_range *br = container_of(rb_first(&bc->ranges),
+ struct bow_range, node);
+
+ rb_erase(&br->node, &bc->ranges);
+ kfree(br);
+ }
+ if (bc->workqueue)
+ destroy_workqueue(bc->workqueue);
+ if (bc->bufio)
+ dm_bufio_client_destroy(bc->bufio);
+
+ kobj = &bc->kobj_holder.kobj;
+ if (kobj->state_initialized) {
+ kobject_put(kobj);
+ wait_for_completion(dm_get_completion_from_kobject(kobj));
+ }
+
+ kfree(bc->log_sector);
+ kfree(bc);
+}
+
+static void dm_bow_io_hints(struct dm_target *ti, struct queue_limits *limits)
+{
+ struct bow_context *bc = ti->private;
+ const unsigned int block_size = bc->block_size;
+
+ limits->logical_block_size =
+ max_t(unsigned int, limits->logical_block_size, block_size);
+ limits->physical_block_size =
+ max_t(unsigned int, limits->physical_block_size, block_size);
+ limits->io_min = max_t(unsigned int, limits->io_min, block_size);
+
+ if (limits->max_discard_sectors == 0) {
+ limits->discard_granularity = 1 << 12;
+ limits->max_hw_discard_sectors = 1 << 15;
+ limits->max_discard_sectors = 1 << 15;
+ bc->forward_trims = false;
+ } else {
+ limits->discard_granularity = 1 << 12;
+ bc->forward_trims = true;
+ }
+}
+
+static int dm_bow_ctr_optional(struct dm_target *ti, unsigned int argc, char **argv)
+{
+ struct bow_context *bc = ti->private;
+ struct dm_arg_set as;
+ static const struct dm_arg _args[] = {
+ {0, 1, "Invalid number of feature args"},
+ };
+ unsigned int opt_params;
+ const char *opt_string;
+ int err;
+ char dummy;
+
+ as.argc = argc;
+ as.argv = argv;
+
+ err = dm_read_arg_group(_args, &as, &opt_params, &ti->error);
+ if (err)
+ return err;
+
+ while (opt_params--) {
+ opt_string = dm_shift_arg(&as);
+ if (!opt_string) {
+ ti->error = "Not enough feature arguments";
+ return -EINVAL;
+ }
+
+ if (sscanf(opt_string, "block_size:%u%c",
+ &bc->block_size, &dummy) == 1) {
+ if (bc->block_size < SECTOR_SIZE ||
+ bc->block_size > 4096 ||
+ !is_power_of_2(bc->block_size)) {
+ ti->error = "Invalid block_size";
+ return -EINVAL;
+ }
+ } else {
+ ti->error = "Invalid feature arguments";
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int dm_bow_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+{
+ struct bow_context *bc;
+ struct bow_range *br;
+ int ret;
+ struct mapped_device *md = dm_table_get_md(ti->table);
+
+ if (argc < 1) {
+ ti->error = "Invalid argument count";
+ return -EINVAL;
+ }
+
+ bc = kzalloc(sizeof(*bc), GFP_KERNEL);
+ if (!bc) {
+ ti->error = "Cannot allocate bow context";
+ return -ENOMEM;
+ }
+
+ ti->num_flush_bios = 1;
+ ti->num_discard_bios = 1;
+ ti->num_write_same_bios = 1;
+ ti->private = bc;
+
+ ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
+ &bc->dev);
+ if (ret) {
+ ti->error = "Device lookup failed";
+ goto bad;
+ }
+
+ bc->block_size =
+ bdev_get_queue(bc->dev->bdev)->limits.logical_block_size;
+ if (argc > 1) {
+ ret = dm_bow_ctr_optional(ti, argc - 1, &argv[1]);
+ if (ret)
+ goto bad;
+ }
+
+ bc->block_shift = ilog2(bc->block_size);
+ bc->log_sector = kzalloc(bc->block_size, GFP_KERNEL);
+ if (!bc->log_sector) {
+ ti->error = "Cannot allocate log sector";
+ goto bad;
+ }
+
+ init_completion(&bc->kobj_holder.completion);
+ ret = kobject_init_and_add(&bc->kobj_holder.kobj, &bow_ktype,
+ &disk_to_dev(dm_disk(md))->kobj, "%s",
+ "bow");
+ if (ret) {
+ ti->error = "Cannot create sysfs node";
+ goto bad;
+ }
+
+ mutex_init(&bc->ranges_lock);
+ bc->ranges = RB_ROOT;
+ bc->bufio = dm_bufio_client_create(bc->dev->bdev, bc->block_size, 1, 0,
+ NULL, NULL);
+ if (IS_ERR(bc->bufio)) {
+ ti->error = "Cannot initialize dm-bufio";
+ ret = PTR_ERR(bc->bufio);
+ bc->bufio = NULL;
+ goto bad;
+ }
+
+ bc->workqueue = alloc_workqueue("dm-bow",
+ WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM
+ | WQ_UNBOUND, num_online_cpus());
+ if (!bc->workqueue) {
+ ti->error = "Cannot allocate workqueue";
+ ret = -ENOMEM;
+ goto bad;
+ }
+
+ INIT_LIST_HEAD(&bc->trimmed_list);
+
+ br = kzalloc(sizeof(*br), GFP_KERNEL);
+ if (!br) {
+ ti->error = "Cannot allocate ranges";
+ ret = -ENOMEM;
+ goto bad;
+ }
+
+ br->sector = ti->len;
+ br->type = TOP;
+ rb_link_node(&br->node, NULL, &bc->ranges.rb_node);
+ rb_insert_color(&br->node, &bc->ranges);
+
+ br = kzalloc(sizeof(*br), GFP_KERNEL);
+ if (!br) {
+ ti->error = "Cannot allocate ranges";
+ ret = -ENOMEM;
+ goto bad;
+ }
+
+ br->sector = 0;
+ br->type = UNCHANGED;
+ rb_link_node(&br->node, bc->ranges.rb_node,
+ &bc->ranges.rb_node->rb_left);
+ rb_insert_color(&br->node, &bc->ranges);
+
+ ti->discards_supported = true;
+
+ return 0;
+
+bad:
+ dm_bow_dtr(ti);
+ return ret;
+}
+
+/****** Handle writes ******/
+
+static int prepare_unchanged_range(struct bow_context *bc, struct bow_range *br,
+ struct bvec_iter *bi_iter,
+ bool record_checksum)
+{
+ struct bow_range *backup_br;
+ struct bvec_iter backup_bi;
+ sector_t log_source, log_dest;
+ unsigned int log_size;
+ u32 checksum = 0;
+ int ret;
+ int original_type;
+ sector_t sector0;
+
+ /* Find a free range */
+ backup_br = find_free_range(bc);
+ if (!backup_br)
+ return BLK_STS_NOSPC;
+
+ /* Carve out a backup range. This may be smaller than the br given */
+ backup_bi.bi_sector = backup_br->sector;
+ backup_bi.bi_size = min(range_size(backup_br), (u64) bi_iter->bi_size);
+ ret = split_range(bc, &backup_br, &backup_bi);
+ if (ret)
+ return ret;
+
+ /*
+ * Carve out a changed range. This will not be smaller than the backup
+ * br since the backup br is smaller than the source range and iterator
+ */
+ bi_iter->bi_size = backup_bi.bi_size;
+ ret = split_range(bc, &br, bi_iter);
+ if (ret)
+ return ret;
+ if (range_size(br) != range_size(backup_br)) {
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+
+
+ /* Copy data over */
+ ret = copy_data(bc, br, backup_br, record_checksum ? &checksum : NULL);
+ if (ret)
+ return ret;
+
+ /* Add an entry to the log */
+ log_source = br->sector;
+ log_dest = backup_br->sector;
+ log_size = range_size(br);
+
+ /*
+ * Set the types. Note that since set_type also amalgamates ranges
+ * we have to set both sectors to their final type before calling
+ * set_type on either
+ */
+ original_type = br->type;
+ sector0 = backup_br->sector;
+ bc->trims_total -= range_size(backup_br);
+ if (backup_br->type == TRIMMED)
+ list_del(&backup_br->trimmed_list);
+ backup_br->type = br->type == SECTOR0_CURRENT ? SECTOR0_CURRENT
+ : BACKUP;
+ br->type = CHANGED;
+ set_type(bc, &backup_br, backup_br->type);
+
+ /*
+ * Add the log entry after marking the backup sector, since adding a log
+ * can cause another backup
+ */
+ ret = add_log_entry(bc, log_source, log_dest, log_size, checksum);
+ if (ret) {
+ br->type = original_type;
+ return ret;
+ }
+
+ /* Now it is safe to mark this backup successful */
+ if (original_type == SECTOR0_CURRENT)
+ bc->log_sector->sector0 = sector0;
+
+ set_type(bc, &br, br->type);
+ return ret;
+}
+
+static int prepare_free_range(struct bow_context *bc, struct bow_range *br,
+ struct bvec_iter *bi_iter)
+{
+ int ret;
+
+ ret = split_range(bc, &br, bi_iter);
+ if (ret)
+ return ret;
+ set_type(bc, &br, CHANGED);
+ return BLK_STS_OK;
+}
+
+static int prepare_changed_range(struct bow_context *bc, struct bow_range *br,
+ struct bvec_iter *bi_iter)
+{
+ /* Nothing to do ... */
+ return BLK_STS_OK;
+}
+
+static int prepare_one_range(struct bow_context *bc,
+ struct bvec_iter *bi_iter)
+{
+ struct bow_range *br = find_first_overlapping_range(&bc->ranges,
+ bi_iter);
+ switch (br->type) {
+ case CHANGED:
+ return prepare_changed_range(bc, br, bi_iter);
+
+ case TRIMMED:
+ return prepare_free_range(bc, br, bi_iter);
+
+ case UNCHANGED:
+ case BACKUP:
+ return prepare_unchanged_range(bc, br, bi_iter, true);
+
+ /*
+ * We cannot track the checksum for the active sector0, since it
+ * may change at any point.
+ */
+ case SECTOR0_CURRENT:
+ return prepare_unchanged_range(bc, br, bi_iter, false);
+
+ case SECTOR0: /* Handled in the dm_bow_map */
+ case TOP: /* Illegal - top is off the end of the device */
+ default:
+ WARN_ON(1);
+ return BLK_STS_IOERR;
+ }
+}
+
+struct write_work {
+ struct work_struct work;
+ struct bow_context *bc;
+ struct bio *bio;
+};
+
+static void bow_write(struct work_struct *work)
+{
+ struct write_work *ww = container_of(work, struct write_work, work);
+ struct bow_context *bc = ww->bc;
+ struct bio *bio = ww->bio;
+ struct bvec_iter bi_iter = bio->bi_iter;
+ int ret = BLK_STS_OK;
+
+ kfree(ww);
+
+ mutex_lock(&bc->ranges_lock);
+ do {
+ ret = prepare_one_range(bc, &bi_iter);
+ bi_iter.bi_sector += bi_iter.bi_size / SECTOR_SIZE;
+ bi_iter.bi_size = bio->bi_iter.bi_size
+ - (bi_iter.bi_sector - bio->bi_iter.bi_sector)
+ * SECTOR_SIZE;
+ } while (!ret && bi_iter.bi_size);
+
+ mutex_unlock(&bc->ranges_lock);
+
+ if (!ret) {
+ bio_set_dev(bio, bc->dev->bdev);
+ submit_bio(bio);
+ } else {
+ DMERR("Write failure with error %d", -ret);
+ bio->bi_status = ret;
+ bio_endio(bio);
+ }
+}
+
+static int queue_write(struct bow_context *bc, struct bio *bio)
+{
+ struct write_work *ww = kmalloc(sizeof(*ww), GFP_NOIO | __GFP_NORETRY
+ | __GFP_NOMEMALLOC | __GFP_NOWARN);
+ if (!ww) {
+ DMERR("Failed to allocate write_work");
+ return -ENOMEM;
+ }
+
+ INIT_WORK(&ww->work, bow_write);
+ ww->bc = bc;
+ ww->bio = bio;
+ queue_work(bc->workqueue, &ww->work);
+ return DM_MAPIO_SUBMITTED;
+}
+
+static int handle_sector0(struct bow_context *bc, struct bio *bio)
+{
+ int ret = DM_MAPIO_REMAPPED;
+
+ if (bio->bi_iter.bi_size > bc->block_size) {
+ struct bio * split = bio_split(bio,
+ bc->block_size >> SECTOR_SHIFT,
+ GFP_NOIO,
+ &fs_bio_set);
+ if (!split) {
+ DMERR("Failed to split bio");
+ bio->bi_status = BLK_STS_RESOURCE;
+ bio_endio(bio);
+ return DM_MAPIO_SUBMITTED;
+ }
+
+ bio_chain(split, bio);
+ split->bi_iter.bi_sector = bc->log_sector->sector0;
+ bio_set_dev(split, bc->dev->bdev);
+ submit_bio(split);
+
+ if (bio_data_dir(bio) == WRITE)
+ ret = queue_write(bc, bio);
+ } else {
+ bio->bi_iter.bi_sector = bc->log_sector->sector0;
+ }
+
+ return ret;
+}
+
+static int add_trim(struct bow_context *bc, struct bio *bio)
+{
+ struct bow_range *br;
+ struct bvec_iter bi_iter = bio->bi_iter;
+
+ DMDEBUG("add_trim: %llu, %u",
+ (unsigned long long)bio->bi_iter.bi_sector,
+ bio->bi_iter.bi_size);
+
+ do {
+ br = find_first_overlapping_range(&bc->ranges, &bi_iter);
+
+ switch (br->type) {
+ case UNCHANGED:
+ if (!split_range(bc, &br, &bi_iter))
+ set_type(bc, &br, TRIMMED);
+ break;
+
+ case TRIMMED:
+ /* Nothing to do */
+ break;
+
+ default:
+ /* No other case is legal in TRIM state */
+ WARN_ON(true);
+ break;
+ }
+
+ bi_iter.bi_sector += bi_iter.bi_size / SECTOR_SIZE;
+ bi_iter.bi_size = bio->bi_iter.bi_size
+ - (bi_iter.bi_sector - bio->bi_iter.bi_sector)
+ * SECTOR_SIZE;
+
+ } while (bi_iter.bi_size);
+
+ bio_endio(bio);
+ return DM_MAPIO_SUBMITTED;
+}
+
+static int remove_trim(struct bow_context *bc, struct bio *bio)
+{
+ struct bow_range *br;
+ struct bvec_iter bi_iter = bio->bi_iter;
+
+ DMDEBUG("remove_trim: %llu, %u",
+ (unsigned long long)bio->bi_iter.bi_sector,
+ bio->bi_iter.bi_size);
+
+ do {
+ br = find_first_overlapping_range(&bc->ranges, &bi_iter);
+
+ switch (br->type) {
+ case UNCHANGED:
+ /* Nothing to do */
+ break;
+
+ case TRIMMED:
+ if (!split_range(bc, &br, &bi_iter))
+ set_type(bc, &br, UNCHANGED);
+ break;
+
+ default:
+ /* No other case is legal in TRIM state */
+ WARN_ON(true);
+ break;
+ }
+
+ bi_iter.bi_sector += bi_iter.bi_size / SECTOR_SIZE;
+ bi_iter.bi_size = bio->bi_iter.bi_size
+ - (bi_iter.bi_sector - bio->bi_iter.bi_sector)
+ * SECTOR_SIZE;
+
+ } while (bi_iter.bi_size);
+
+ return DM_MAPIO_REMAPPED;
+}
+
+int remap_unless_illegal_trim(struct bow_context *bc, struct bio *bio)
+{
+ if (!bc->forward_trims && bio_op(bio) == REQ_OP_DISCARD) {
+ bio->bi_status = BLK_STS_NOTSUPP;
+ bio_endio(bio);
+ return DM_MAPIO_SUBMITTED;
+ } else {
+ bio_set_dev(bio, bc->dev->bdev);
+ return DM_MAPIO_REMAPPED;
+ }
+}
+
+/****** dm interface ******/
+
+static int dm_bow_map(struct dm_target *ti, struct bio *bio)
+{
+ int ret = DM_MAPIO_REMAPPED;
+ struct bow_context *bc = ti->private;
+
+ if (likely(bc->state.counter == COMMITTED))
+ return remap_unless_illegal_trim(bc, bio);
+
+ if (bio_data_dir(bio) == READ && bio->bi_iter.bi_sector != 0)
+ return remap_unless_illegal_trim(bc, bio);
+
+ if (atomic_read(&bc->state) != COMMITTED) {
+ enum state state;
+
+ mutex_lock(&bc->ranges_lock);
+ state = atomic_read(&bc->state);
+ if (state == TRIM) {
+ if (bio_op(bio) == REQ_OP_DISCARD)
+ ret = add_trim(bc, bio);
+ else if (bio_data_dir(bio) == WRITE)
+ ret = remove_trim(bc, bio);
+ else
+ /* pass-through */;
+ } else if (state == CHECKPOINT) {
+ if (bio->bi_iter.bi_sector == 0)
+ ret = handle_sector0(bc, bio);
+ else if (bio_data_dir(bio) == WRITE)
+ ret = queue_write(bc, bio);
+ else
+ /* pass-through */;
+ } else {
+ /* pass-through */
+ }
+ mutex_unlock(&bc->ranges_lock);
+ }
+
+ if (ret == DM_MAPIO_REMAPPED)
+ return remap_unless_illegal_trim(bc, bio);
+
+ return ret;
+}
+
+static void dm_bow_tablestatus(struct dm_target *ti, char *result,
+ unsigned int maxlen)
+{
+ char *end = result + maxlen;
+ struct bow_context *bc = ti->private;
+ struct rb_node *i;
+ int trimmed_list_length = 0;
+ int trimmed_range_count = 0;
+ struct bow_range *br;
+
+ if (maxlen == 0)
+ return;
+ result[0] = 0;
+
+ list_for_each_entry(br, &bc->trimmed_list, trimmed_list)
+ if (br->type == TRIMMED) {
+ ++trimmed_list_length;
+ } else {
+ scnprintf(result, end - result,
+ "ERROR: non-trimmed entry in trimmed_list");
+ return;
+ }
+
+ if (!rb_first(&bc->ranges)) {
+ scnprintf(result, end - result, "ERROR: Empty ranges");
+ return;
+ }
+
+ if (container_of(rb_first(&bc->ranges), struct bow_range, node)
+ ->sector) {
+ scnprintf(result, end - result,
+ "ERROR: First range does not start at sector 0");
+ return;
+ }
+
+ for (i = rb_first(&bc->ranges); i; i = rb_next(i)) {
+ struct bow_range *br = container_of(i, struct bow_range, node);
+
+ result += scnprintf(result, end - result, "%s: %llu",
+ readable_type[br->type],
+ (unsigned long long)br->sector);
+ if (result >= end)
+ return;
+
+ result += scnprintf(result, end - result, "\n");
+ if (result >= end)
+ return;
+
+ if (br->type == TRIMMED)
+ ++trimmed_range_count;
+
+ if (br->type == TOP) {
+ if (br->sector != ti->len) {
+ scnprintf(result, end - result,
+ "\nERROR: Top sector is incorrect");
+ }
+
+ if (&br->node != rb_last(&bc->ranges)) {
+ scnprintf(result, end - result,
+ "\nERROR: Top sector is not last");
+ }
+
+ break;
+ }
+
+ if (!rb_next(i)) {
+ scnprintf(result, end - result,
+ "\nERROR: Last range not of type TOP");
+ return;
+ }
+
+ if (br->sector > range_top(br)) {
+ scnprintf(result, end - result,
+ "\nERROR: sectors out of order");
+ return;
+ }
+ }
+
+ if (trimmed_range_count != trimmed_list_length)
+ scnprintf(result, end - result,
+ "\nERROR: not all trimmed ranges in trimmed list");
+}
+
+static void dm_bow_status(struct dm_target *ti, status_type_t type,
+ unsigned int status_flags, char *result,
+ unsigned int maxlen)
+{
+ switch (type) {
+ case STATUSTYPE_INFO:
+ if (maxlen)
+ result[0] = 0;
+ break;
+
+ case STATUSTYPE_TABLE:
+ dm_bow_tablestatus(ti, result, maxlen);
+ break;
+ }
+}
+
+int dm_bow_prepare_ioctl(struct dm_target *ti, struct block_device **bdev)
+{
+ struct bow_context *bc = ti->private;
+ struct dm_dev *dev = bc->dev;
+
+ *bdev = dev->bdev;
+ /* Only pass ioctls through if the device sizes match exactly. */
+ return ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT;
+}
+
+static int dm_bow_iterate_devices(struct dm_target *ti,
+ iterate_devices_callout_fn fn, void *data)
+{
+ struct bow_context *bc = ti->private;
+
+ return fn(ti, bc->dev, 0, ti->len, data);
+}
+
+static struct target_type bow_target = {
+ .name = "bow",
+ .version = {1, 2, 0},
+ .features = DM_TARGET_PASSES_CRYPTO,
+ .module = THIS_MODULE,
+ .ctr = dm_bow_ctr,
+ .dtr = dm_bow_dtr,
+ .map = dm_bow_map,
+ .status = dm_bow_status,
+ .prepare_ioctl = dm_bow_prepare_ioctl,
+ .iterate_devices = dm_bow_iterate_devices,
+ .io_hints = dm_bow_io_hints,
+};
+
+int __init dm_bow_init(void)
+{
+ int r = dm_register_target(&bow_target);
+
+ if (r < 0)
+ DMERR("registering bow failed %d", r);
+ return r;
+}
+
+void dm_bow_exit(void)
+{
+ dm_unregister_target(&bow_target);
+}
+
+MODULE_LICENSE("GPL");
+
+module_init(dm_bow_init);
+module_exit(dm_bow_exit);
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index 3db92d9..780aec6 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -13,6 +13,7 @@
#include <linux/ktime.h>
#include <linux/genhd.h>
#include <linux/blk-mq.h>
+#include <linux/keyslot-manager.h>
#include <trace/events/block.h>
@@ -96,11 +97,6 @@ struct mapped_device {
*/
struct workqueue_struct *wq;
- /*
- * freeze/thaw support require holding onto a super block
- */
- struct super_block *frozen_sb;
-
/* forced geometry settings */
struct hd_geometry geometry;
@@ -173,6 +169,10 @@ struct dm_table {
void *event_context;
struct dm_md_mempools *mempools;
+
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+ struct blk_keyslot_manager *ksm;
+#endif
};
static inline struct completion *dm_get_completion_from_kobject(struct kobject *kobj)
diff --git a/drivers/md/dm-default-key.c b/drivers/md/dm-default-key.c
new file mode 100644
index 0000000..e8e9b72
--- /dev/null
+++ b/drivers/md/dm-default-key.c
@@ -0,0 +1,426 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017 Google, Inc.
+ */
+
+#include <linux/blk-crypto.h>
+#include <linux/device-mapper.h>
+#include <linux/module.h>
+
+#define DM_MSG_PREFIX "default-key"
+
+#define DM_DEFAULT_KEY_MAX_WRAPPED_KEY_SIZE 128
+
+static const struct dm_default_key_cipher {
+ const char *name;
+ enum blk_crypto_mode_num mode_num;
+ int key_size;
+} dm_default_key_ciphers[] = {
+ {
+ .name = "aes-xts-plain64",
+ .mode_num = BLK_ENCRYPTION_MODE_AES_256_XTS,
+ .key_size = 64,
+ }, {
+ .name = "xchacha12,aes-adiantum-plain64",
+ .mode_num = BLK_ENCRYPTION_MODE_ADIANTUM,
+ .key_size = 32,
+ },
+};
+
+/**
+ * struct dm_default_c - private data of a default-key target
+ * @dev: the underlying device
+ * @start: starting sector of the range of @dev which this target actually maps.
+ * For this purpose a "sector" is 512 bytes.
+ * @cipher_string: the name of the encryption algorithm being used
+ * @iv_offset: starting offset for IVs. IVs are generated as if the target were
+ * preceded by @iv_offset 512-byte sectors.
+ * @sector_size: crypto sector size in bytes (usually 4096)
+ * @sector_bits: log2(sector_size)
+ * @key: the encryption key to use
+ * @max_dun: the maximum DUN that may be used (computed from other params)
+ */
+struct default_key_c {
+ struct dm_dev *dev;
+ sector_t start;
+ const char *cipher_string;
+ u64 iv_offset;
+ unsigned int sector_size;
+ unsigned int sector_bits;
+ struct blk_crypto_key key;
+ bool is_hw_wrapped;
+ u64 max_dun;
+};
+
+static const struct dm_default_key_cipher *
+lookup_cipher(const char *cipher_string)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dm_default_key_ciphers); i++) {
+ if (strcmp(cipher_string, dm_default_key_ciphers[i].name) == 0)
+ return &dm_default_key_ciphers[i];
+ }
+ return NULL;
+}
+
+static void default_key_dtr(struct dm_target *ti)
+{
+ struct default_key_c *dkc = ti->private;
+ int err;
+
+ if (dkc->dev) {
+ err = blk_crypto_evict_key(bdev_get_queue(dkc->dev->bdev),
+ &dkc->key);
+ if (err && err != -ENOKEY)
+ DMWARN("Failed to evict crypto key: %d", err);
+ dm_put_device(ti, dkc->dev);
+ }
+ kfree_sensitive(dkc->cipher_string);
+ kfree_sensitive(dkc);
+}
+
+static int default_key_ctr_optional(struct dm_target *ti,
+ unsigned int argc, char **argv)
+{
+ struct default_key_c *dkc = ti->private;
+ struct dm_arg_set as;
+ static const struct dm_arg _args[] = {
+ {0, 4, "Invalid number of feature args"},
+ };
+ unsigned int opt_params;
+ const char *opt_string;
+ bool iv_large_sectors = false;
+ char dummy;
+ int err;
+
+ as.argc = argc;
+ as.argv = argv;
+
+ err = dm_read_arg_group(_args, &as, &opt_params, &ti->error);
+ if (err)
+ return err;
+
+ while (opt_params--) {
+ opt_string = dm_shift_arg(&as);
+ if (!opt_string) {
+ ti->error = "Not enough feature arguments";
+ return -EINVAL;
+ }
+ if (!strcmp(opt_string, "allow_discards")) {
+ ti->num_discard_bios = 1;
+ } else if (sscanf(opt_string, "sector_size:%u%c",
+ &dkc->sector_size, &dummy) == 1) {
+ if (dkc->sector_size < SECTOR_SIZE ||
+ dkc->sector_size > 4096 ||
+ !is_power_of_2(dkc->sector_size)) {
+ ti->error = "Invalid sector_size";
+ return -EINVAL;
+ }
+ } else if (!strcmp(opt_string, "iv_large_sectors")) {
+ iv_large_sectors = true;
+ } else if (!strcmp(opt_string, "wrappedkey_v0")) {
+ dkc->is_hw_wrapped = true;
+ } else {
+ ti->error = "Invalid feature arguments";
+ return -EINVAL;
+ }
+ }
+
+ /* dm-default-key doesn't implement iv_large_sectors=false. */
+ if (dkc->sector_size != SECTOR_SIZE && !iv_large_sectors) {
+ ti->error = "iv_large_sectors must be specified";
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/*
+ * Construct a default-key mapping:
+ * <cipher> <key> <iv_offset> <dev_path> <start>
+ *
+ * This syntax matches dm-crypt's, but lots of unneeded functionality has been
+ * removed. Also, dm-default-key requires that the "iv_large_sectors" option be
+ * given whenever a non-default sector size is used.
+ */
+static int default_key_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+{
+ struct default_key_c *dkc;
+ const struct dm_default_key_cipher *cipher;
+ u8 raw_key[DM_DEFAULT_KEY_MAX_WRAPPED_KEY_SIZE];
+ unsigned int raw_key_size;
+ unsigned int dun_bytes;
+ unsigned long long tmpll;
+ char dummy;
+ int err;
+
+ if (argc < 5) {
+ ti->error = "Not enough arguments";
+ return -EINVAL;
+ }
+
+ dkc = kzalloc(sizeof(*dkc), GFP_KERNEL);
+ if (!dkc) {
+ ti->error = "Out of memory";
+ return -ENOMEM;
+ }
+ ti->private = dkc;
+
+ /* <cipher> */
+ dkc->cipher_string = kstrdup(argv[0], GFP_KERNEL);
+ if (!dkc->cipher_string) {
+ ti->error = "Out of memory";
+ err = -ENOMEM;
+ goto bad;
+ }
+ cipher = lookup_cipher(dkc->cipher_string);
+ if (!cipher) {
+ ti->error = "Unsupported cipher";
+ err = -EINVAL;
+ goto bad;
+ }
+
+ /* <key> */
+ raw_key_size = strlen(argv[1]);
+ if (raw_key_size > 2 * DM_DEFAULT_KEY_MAX_WRAPPED_KEY_SIZE ||
+ raw_key_size % 2) {
+ ti->error = "Invalid keysize";
+ err = -EINVAL;
+ goto bad;
+ }
+ raw_key_size /= 2;
+ if (hex2bin(raw_key, argv[1], raw_key_size) != 0) {
+ ti->error = "Malformed key string";
+ err = -EINVAL;
+ goto bad;
+ }
+
+ /* <iv_offset> */
+ if (sscanf(argv[2], "%llu%c", &dkc->iv_offset, &dummy) != 1) {
+ ti->error = "Invalid iv_offset sector";
+ err = -EINVAL;
+ goto bad;
+ }
+
+ /* <dev_path> */
+ err = dm_get_device(ti, argv[3], dm_table_get_mode(ti->table),
+ &dkc->dev);
+ if (err) {
+ ti->error = "Device lookup failed";
+ goto bad;
+ }
+
+ /* <start> */
+ if (sscanf(argv[4], "%llu%c", &tmpll, &dummy) != 1 ||
+ tmpll != (sector_t)tmpll) {
+ ti->error = "Invalid start sector";
+ err = -EINVAL;
+ goto bad;
+ }
+ dkc->start = tmpll;
+
+ /* optional arguments */
+ dkc->sector_size = SECTOR_SIZE;
+ if (argc > 5) {
+ err = default_key_ctr_optional(ti, argc - 5, &argv[5]);
+ if (err)
+ goto bad;
+ }
+ dkc->sector_bits = ilog2(dkc->sector_size);
+ if (ti->len & ((dkc->sector_size >> SECTOR_SHIFT) - 1)) {
+ ti->error = "Device size is not a multiple of sector_size";
+ err = -EINVAL;
+ goto bad;
+ }
+
+ dkc->max_dun = (dkc->iv_offset + ti->len - 1) >>
+ (dkc->sector_bits - SECTOR_SHIFT);
+ dun_bytes = DIV_ROUND_UP(fls64(dkc->max_dun), 8);
+
+ err = blk_crypto_init_key(&dkc->key, raw_key, raw_key_size,
+ dkc->is_hw_wrapped, cipher->mode_num,
+ dun_bytes, dkc->sector_size);
+ if (err) {
+ ti->error = "Error initializing blk-crypto key";
+ goto bad;
+ }
+
+ err = blk_crypto_start_using_key(&dkc->key,
+ bdev_get_queue(dkc->dev->bdev));
+ if (err) {
+ ti->error = "Error starting to use blk-crypto";
+ goto bad;
+ }
+
+ ti->num_flush_bios = 1;
+
+ err = 0;
+ goto out;
+
+bad:
+ default_key_dtr(ti);
+out:
+ memzero_explicit(raw_key, sizeof(raw_key));
+ return err;
+}
+
+static int default_key_map(struct dm_target *ti, struct bio *bio)
+{
+ const struct default_key_c *dkc = ti->private;
+ sector_t sector_in_target;
+ u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE] = { 0 };
+
+ bio_set_dev(bio, dkc->dev->bdev);
+
+ /*
+ * If the bio is a device-level request which doesn't target a specific
+ * sector, there's nothing more to do.
+ */
+ if (bio_sectors(bio) == 0)
+ return DM_MAPIO_REMAPPED;
+
+ /* Map the bio's sector to the underlying device. (512-byte sectors) */
+ sector_in_target = dm_target_offset(ti, bio->bi_iter.bi_sector);
+ bio->bi_iter.bi_sector = dkc->start + sector_in_target;
+
+ /*
+ * If the bio should skip dm-default-key (i.e. if it's for an encrypted
+ * file's contents), or if it doesn't have any data (e.g. if it's a
+ * DISCARD request), there's nothing more to do.
+ */
+ if (bio_should_skip_dm_default_key(bio) || !bio_has_data(bio))
+ return DM_MAPIO_REMAPPED;
+
+ /*
+ * Else, dm-default-key needs to set this bio's encryption context.
+ * It must not already have one.
+ */
+ if (WARN_ON_ONCE(bio_has_crypt_ctx(bio)))
+ return DM_MAPIO_KILL;
+
+ /* Calculate the DUN and enforce data-unit (crypto sector) alignment. */
+ dun[0] = dkc->iv_offset + sector_in_target; /* 512-byte sectors */
+ if (dun[0] & ((dkc->sector_size >> SECTOR_SHIFT) - 1))
+ return DM_MAPIO_KILL;
+ dun[0] >>= dkc->sector_bits - SECTOR_SHIFT; /* crypto sectors */
+
+ /*
+ * This check isn't necessary as we should have calculated max_dun
+ * correctly, but be safe.
+ */
+ if (WARN_ON_ONCE(dun[0] > dkc->max_dun))
+ return DM_MAPIO_KILL;
+
+ bio_crypt_set_ctx(bio, &dkc->key, dun, GFP_NOIO);
+
+ return DM_MAPIO_REMAPPED;
+}
+
+static void default_key_status(struct dm_target *ti, status_type_t type,
+ unsigned int status_flags, char *result,
+ unsigned int maxlen)
+{
+ const struct default_key_c *dkc = ti->private;
+ unsigned int sz = 0;
+ int num_feature_args = 0;
+
+ switch (type) {
+ case STATUSTYPE_INFO:
+ result[0] = '\0';
+ break;
+
+ case STATUSTYPE_TABLE:
+ /* Omit the key for now. */
+ DMEMIT("%s - %llu %s %llu", dkc->cipher_string, dkc->iv_offset,
+ dkc->dev->name, (unsigned long long)dkc->start);
+
+ num_feature_args += !!ti->num_discard_bios;
+ if (dkc->sector_size != SECTOR_SIZE)
+ num_feature_args += 2;
+ if (dkc->is_hw_wrapped)
+ num_feature_args += 1;
+ if (num_feature_args != 0) {
+ DMEMIT(" %d", num_feature_args);
+ if (ti->num_discard_bios)
+ DMEMIT(" allow_discards");
+ if (dkc->sector_size != SECTOR_SIZE) {
+ DMEMIT(" sector_size:%u", dkc->sector_size);
+ DMEMIT(" iv_large_sectors");
+ }
+ if (dkc->is_hw_wrapped)
+ DMEMIT(" wrappedkey_v0");
+ }
+ break;
+ }
+}
+
+static int default_key_prepare_ioctl(struct dm_target *ti,
+ struct block_device **bdev)
+{
+ const struct default_key_c *dkc = ti->private;
+ const struct dm_dev *dev = dkc->dev;
+
+ *bdev = dev->bdev;
+
+ /* Only pass ioctls through if the device sizes match exactly. */
+ if (dkc->start != 0 ||
+ ti->len != i_size_read(dev->bdev->bd_inode) >> SECTOR_SHIFT)
+ return 1;
+ return 0;
+}
+
+static int default_key_iterate_devices(struct dm_target *ti,
+ iterate_devices_callout_fn fn,
+ void *data)
+{
+ const struct default_key_c *dkc = ti->private;
+
+ return fn(ti, dkc->dev, dkc->start, ti->len, data);
+}
+
+static void default_key_io_hints(struct dm_target *ti,
+ struct queue_limits *limits)
+{
+ const struct default_key_c *dkc = ti->private;
+ const unsigned int sector_size = dkc->sector_size;
+
+ limits->logical_block_size =
+ max_t(unsigned int, limits->logical_block_size, sector_size);
+ limits->physical_block_size =
+ max_t(unsigned int, limits->physical_block_size, sector_size);
+ limits->io_min = max_t(unsigned int, limits->io_min, sector_size);
+}
+
+static struct target_type default_key_target = {
+ .name = "default-key",
+ .version = {2, 1, 0},
+ .features = DM_TARGET_PASSES_CRYPTO,
+ .module = THIS_MODULE,
+ .ctr = default_key_ctr,
+ .dtr = default_key_dtr,
+ .map = default_key_map,
+ .status = default_key_status,
+ .prepare_ioctl = default_key_prepare_ioctl,
+ .iterate_devices = default_key_iterate_devices,
+ .io_hints = default_key_io_hints,
+};
+
+static int __init dm_default_key_init(void)
+{
+ return dm_register_target(&default_key_target);
+}
+
+static void __exit dm_default_key_exit(void)
+{
+ dm_unregister_target(&default_key_target);
+}
+
+module_init(dm_default_key_init);
+module_exit(dm_default_key_exit);
+
+MODULE_AUTHOR("Paul Lawrence <paullawrence@google.com>");
+MODULE_AUTHOR("Paul Crowley <paulcrowley@google.com>");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_DESCRIPTION(DM_NAME " target for encrypting filesystem metadata");
+MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index a2cc9e4..30c6bc1 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -482,8 +482,10 @@ static struct target_type flakey_target = {
.name = "flakey",
.version = {1, 5, 0},
#ifdef CONFIG_BLK_DEV_ZONED
- .features = DM_TARGET_ZONED_HM,
+ .features = DM_TARGET_ZONED_HM | DM_TARGET_PASSES_CRYPTO,
.report_zones = flakey_report_zones,
+#else
+ .features = DM_TARGET_PASSES_CRYPTO,
#endif
.module = THIS_MODULE,
.ctr = flakey_ctr,
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 00774b5..fc9c427 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -229,10 +229,11 @@ static struct target_type linear_target = {
.version = {1, 4, 0},
#ifdef CONFIG_BLK_DEV_ZONED
.features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT |
- DM_TARGET_ZONED_HM,
+ DM_TARGET_ZONED_HM | DM_TARGET_PASSES_CRYPTO,
.report_zones = linear_report_zones,
#else
- .features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT,
+ .features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_NOWAIT |
+ DM_TARGET_PASSES_CRYPTO,
#endif
.module = THIS_MODULE,
.ctr = linear_ctr,
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 5c59089..ade798f 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -187,6 +187,8 @@ static void free_devices(struct list_head *devices, struct mapped_device *md)
}
}
+static void dm_table_destroy_keyslot_manager(struct dm_table *t);
+
void dm_table_destroy(struct dm_table *t)
{
unsigned int i;
@@ -215,6 +217,8 @@ void dm_table_destroy(struct dm_table *t)
dm_free_md_mempools(t->mempools);
+ dm_table_destroy_keyslot_manager(t);
+
kfree(t);
}
@@ -1210,6 +1214,287 @@ static int dm_table_register_integrity(struct dm_table *t)
return 0;
}
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+
+struct dm_keyslot_manager {
+ struct blk_keyslot_manager ksm;
+ struct mapped_device *md;
+};
+
+struct dm_keyslot_evict_args {
+ const struct blk_crypto_key *key;
+ int err;
+};
+
+static int dm_keyslot_evict_callback(struct dm_target *ti, struct dm_dev *dev,
+ sector_t start, sector_t len, void *data)
+{
+ struct dm_keyslot_evict_args *args = data;
+ int err;
+
+ err = blk_crypto_evict_key(bdev_get_queue(dev->bdev), args->key);
+ if (!args->err)
+ args->err = err;
+ /* Always try to evict the key from all devices. */
+ return 0;
+}
+
+/*
+ * When an inline encryption key is evicted from a device-mapper device, evict
+ * it from all the underlying devices.
+ */
+static int dm_keyslot_evict(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key, unsigned int slot)
+{
+ struct dm_keyslot_manager *dksm = container_of(ksm,
+ struct dm_keyslot_manager,
+ ksm);
+ struct mapped_device *md = dksm->md;
+ struct dm_keyslot_evict_args args = { key };
+ struct dm_table *t;
+ int srcu_idx;
+ int i;
+ struct dm_target *ti;
+
+ t = dm_get_live_table(md, &srcu_idx);
+ if (!t)
+ return 0;
+ for (i = 0; i < dm_table_get_num_targets(t); i++) {
+ ti = dm_table_get_target(t, i);
+ if (!ti->type->iterate_devices)
+ continue;
+ ti->type->iterate_devices(ti, dm_keyslot_evict_callback, &args);
+ }
+ dm_put_live_table(md, srcu_idx);
+ return args.err;
+}
+
+struct dm_derive_raw_secret_args {
+ const u8 *wrapped_key;
+ unsigned int wrapped_key_size;
+ u8 *secret;
+ unsigned int secret_size;
+ int err;
+};
+
+static int dm_derive_raw_secret_callback(struct dm_target *ti,
+ struct dm_dev *dev, sector_t start,
+ sector_t len, void *data)
+{
+ struct dm_derive_raw_secret_args *args = data;
+ struct request_queue *q = bdev_get_queue(dev->bdev);
+
+ if (!args->err)
+ return 0;
+
+ if (!q->ksm) {
+ args->err = -EOPNOTSUPP;
+ return 0;
+ }
+
+ args->err = blk_ksm_derive_raw_secret(q->ksm, args->wrapped_key,
+ args->wrapped_key_size,
+ args->secret,
+ args->secret_size);
+ /* Try another device in case this fails. */
+ return 0;
+}
+
+/*
+ * Retrieve the raw_secret from the underlying device. Given that only one
+ * raw_secret can exist for a particular wrappedkey, retrieve it only from the
+ * first device that supports derive_raw_secret().
+ */
+static int dm_derive_raw_secret(struct blk_keyslot_manager *ksm,
+ const u8 *wrapped_key,
+ unsigned int wrapped_key_size,
+ u8 *secret, unsigned int secret_size)
+{
+ struct dm_keyslot_manager *dksm = container_of(ksm,
+ struct dm_keyslot_manager,
+ ksm);
+ struct mapped_device *md = dksm->md;
+ struct dm_derive_raw_secret_args args = {
+ .wrapped_key = wrapped_key,
+ .wrapped_key_size = wrapped_key_size,
+ .secret = secret,
+ .secret_size = secret_size,
+ .err = -EOPNOTSUPP,
+ };
+ struct dm_table *t;
+ int srcu_idx;
+ int i;
+ struct dm_target *ti;
+
+ t = dm_get_live_table(md, &srcu_idx);
+ if (!t)
+ return -EOPNOTSUPP;
+ for (i = 0; i < dm_table_get_num_targets(t); i++) {
+ ti = dm_table_get_target(t, i);
+ if (!ti->type->iterate_devices)
+ continue;
+ ti->type->iterate_devices(ti, dm_derive_raw_secret_callback,
+ &args);
+ if (!args.err)
+ break;
+ }
+ dm_put_live_table(md, srcu_idx);
+ return args.err;
+}
+
+
+static struct blk_ksm_ll_ops dm_ksm_ll_ops = {
+ .keyslot_evict = dm_keyslot_evict,
+ .derive_raw_secret = dm_derive_raw_secret,
+};
+
+static int device_intersect_crypto_modes(struct dm_target *ti,
+ struct dm_dev *dev, sector_t start,
+ sector_t len, void *data)
+{
+ struct blk_keyslot_manager *parent = data;
+ struct blk_keyslot_manager *child = bdev_get_queue(dev->bdev)->ksm;
+
+ blk_ksm_intersect_modes(parent, child);
+ return 0;
+}
+
+void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm)
+{
+ struct dm_keyslot_manager *dksm = container_of(ksm,
+ struct dm_keyslot_manager,
+ ksm);
+
+ if (!ksm)
+ return;
+
+ blk_ksm_destroy(ksm);
+ kfree(dksm);
+}
+
+static void dm_table_destroy_keyslot_manager(struct dm_table *t)
+{
+ dm_destroy_keyslot_manager(t->ksm);
+ t->ksm = NULL;
+}
+
+/*
+ * Constructs and initializes t->ksm with a keyslot manager that
+ * represents the common set of crypto capabilities of the devices
+ * described by the dm_table. However, if the constructed keyslot
+ * manager does not support a superset of the crypto capabilities
+ * supported by the current keyslot manager of the mapped_device,
+ * it returns an error instead, since we don't support restricting
+ * crypto capabilities on table changes. Finally, if the constructed
+ * keyslot manager doesn't actually support any crypto modes at all,
+ * it just returns NULL.
+ */
+static int dm_table_construct_keyslot_manager(struct dm_table *t)
+{
+ struct dm_keyslot_manager *dksm;
+ struct blk_keyslot_manager *ksm;
+ struct dm_target *ti;
+ unsigned int i;
+ bool ksm_is_empty = true;
+
+ dksm = kmalloc(sizeof(*dksm), GFP_KERNEL);
+ if (!dksm)
+ return -ENOMEM;
+ dksm->md = t->md;
+
+ ksm = &dksm->ksm;
+ blk_ksm_init_passthrough(ksm);
+ ksm->ksm_ll_ops = dm_ksm_ll_ops;
+ ksm->max_dun_bytes_supported = UINT_MAX;
+ memset(ksm->crypto_modes_supported, 0xFF,
+ sizeof(ksm->crypto_modes_supported));
+ ksm->features = BLK_CRYPTO_FEATURE_STANDARD_KEYS |
+ BLK_CRYPTO_FEATURE_WRAPPED_KEYS;
+
+ for (i = 0; i < dm_table_get_num_targets(t); i++) {
+ ti = dm_table_get_target(t, i);
+
+ if (!dm_target_passes_crypto(ti->type)) {
+ blk_ksm_intersect_modes(ksm, NULL);
+ break;
+ }
+ if (!ti->type->iterate_devices)
+ continue;
+ ti->type->iterate_devices(ti, device_intersect_crypto_modes,
+ ksm);
+ }
+
+ if (t->md->queue && !blk_ksm_is_superset(ksm, t->md->queue->ksm)) {
+ DMWARN("Inline encryption capabilities of new DM table were more restrictive than the old table's. This is not supported!");
+ dm_destroy_keyslot_manager(ksm);
+ return -EINVAL;
+ }
+
+ /*
+ * If the new KSM doesn't actually support any crypto modes, we may as
+ * well represent it with a NULL ksm.
+ */
+ ksm_is_empty = true;
+ for (i = 0; i < ARRAY_SIZE(ksm->crypto_modes_supported); i++) {
+ if (ksm->crypto_modes_supported[i]) {
+ ksm_is_empty = false;
+ break;
+ }
+ }
+
+ if (ksm_is_empty) {
+ dm_destroy_keyslot_manager(ksm);
+ ksm = NULL;
+ }
+
+ /*
+ * t->ksm is only set temporarily while the table is being set
+ * up, and it gets set to NULL after the capabilities have
+ * been transferred to the request_queue.
+ */
+ t->ksm = ksm;
+
+ return 0;
+}
+
+static void dm_update_keyslot_manager(struct request_queue *q,
+ struct dm_table *t)
+{
+ if (!t->ksm)
+ return;
+
+ /* Make the ksm less restrictive */
+ if (!q->ksm) {
+ blk_ksm_register(t->ksm, q);
+ } else {
+ blk_ksm_update_capabilities(q->ksm, t->ksm);
+ dm_destroy_keyslot_manager(t->ksm);
+ }
+ t->ksm = NULL;
+}
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+static int dm_table_construct_keyslot_manager(struct dm_table *t)
+{
+ return 0;
+}
+
+void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm)
+{
+}
+
+static void dm_table_destroy_keyslot_manager(struct dm_table *t)
+{
+}
+
+static void dm_update_keyslot_manager(struct request_queue *q,
+ struct dm_table *t)
+{
+}
+
+#endif /* !CONFIG_BLK_INLINE_ENCRYPTION */
+
/*
* Prepares the table for use by building the indices,
* setting the type, and allocating mempools.
@@ -1236,6 +1521,12 @@ int dm_table_complete(struct dm_table *t)
return r;
}
+ r = dm_table_construct_keyslot_manager(t);
+ if (r) {
+ DMERR("could not construct keyslot manager.");
+ return r;
+ }
+
r = dm_table_alloc_md_mempools(t, t->md);
if (r)
DMERR("unable to allocate mempools");
@@ -1887,6 +2178,7 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
}
#endif
+ dm_update_keyslot_manager(q, t);
blk_queue_update_readahead(q);
}
diff --git a/drivers/md/dm-user.c b/drivers/md/dm-user.c
new file mode 100644
index 0000000..e5a8520
--- /dev/null
+++ b/drivers/md/dm-user.c
@@ -0,0 +1,1293 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Google, Inc
+ * Copyright (C) 2020 Palmer Dabbelt <palmerdabbelt@google.com>
+ */
+
+#include <linux/device-mapper.h>
+#include <uapi/linux/dm-user.h>
+
+#include <linux/bio.h>
+#include <linux/init.h>
+#include <linux/mempool.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/poll.h>
+#include <linux/uio.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+
+#define DM_MSG_PREFIX "user"
+
+#define MAX_OUTSTANDING_MESSAGES 128
+
+static unsigned int daemon_timeout_msec = 4000;
+module_param_named(dm_user_daemon_timeout_msec, daemon_timeout_msec, uint,
+ 0644);
+MODULE_PARM_DESC(dm_user_daemon_timeout_msec,
+ "IO Timeout in msec if daemon does not process");
+
+/*
+ * dm-user uses four structures:
+ *
+ * - "struct target", the outermost structure, corresponds to a single device
+ * mapper target. This contains the set of outstanding BIOs that have been
+ * provided by DM and are not actively being processed by the user, along
+ * with a misc device that userspace can open to communicate with the
+ * kernel. Each time userspaces opens the misc device a new channel is
+ * created.
+ * - "struct channel", which represents a single active communication channel
+ * with userspace. Userspace may choose arbitrary read/write sizes to use
+ * when processing messages, channels form these into logical accesses.
+ * When userspace responds to a full message the channel completes the BIO
+ * and obtains a new message to process from the target.
+ * - "struct message", which wraps a BIO with the additional information
+ * required by the kernel to sort out what to do with BIOs when they return
+ * from userspace.
+ * - "struct dm_user_message", which is the exact message format that
+ * userspace sees.
+ *
+ * The hot path contains three distinct operations:
+ *
+ * - user_map(), which is provided a BIO from device mapper that is queued
+ * into the target. This allocates and enqueues a new message.
+ * - dev_read(), which dequeues a message, copies it to userspace.
+ * - dev_write(), which looks up a message (keyed by sequence number) and
+ * completes the corresponding BIO.
+ *
+ * Lock ordering (outer to inner)
+ *
+ * 1) miscdevice's global lock. This is held around dev_open, so it has to be
+ * the outermost lock.
+ * 2) target->lock
+ * 3) channel->lock
+ */
+
+struct message {
+ /*
+ * Messages themselves do not need a lock, they're protected by either
+ * the target or channel's lock, depending on which can reference them
+ * directly.
+ */
+ struct dm_user_message msg;
+ struct bio *bio;
+ size_t posn_to_user;
+ size_t total_to_user;
+ size_t posn_from_user;
+ size_t total_from_user;
+
+ struct list_head from_user;
+ struct list_head to_user;
+
+ /*
+ * These are written back from the user. They live in the same spot in
+ * the message, but we need to either keep the old values around or
+ * call a bunch more BIO helpers. These are only valid after write has
+ * adopted the message.
+ */
+ u64 return_type;
+ u64 return_flags;
+
+ struct delayed_work work;
+ bool delayed;
+ struct target *t;
+};
+
+struct target {
+ /*
+ * A target has a single lock, which protects everything in the target
+ * (but does not protect the channels associated with a target).
+ */
+ struct mutex lock;
+
+ /*
+ * There is only one point at which anything blocks: userspace blocks
+ * reading a new message, which is woken up by device mapper providing
+ * a new BIO to process (or tearing down the target). The
+ * corresponding write side doesn't block, instead we treat userspace's
+ * response containing a message that has yet to be mapped as an
+ * invalid operation.
+ */
+ struct wait_queue_head wq;
+
+ /*
+ * Messages are delivered to userspace in order, but may be returned
+ * out of order. This allows userspace to schedule IO if it wants to.
+ */
+ mempool_t message_pool;
+ u64 next_seq_to_map;
+ u64 next_seq_to_user;
+ struct list_head to_user;
+
+ /*
+ * There is a misc device per target. The name is selected by
+ * userspace (via a DM create ioctl argument), and each ends up in
+ * /dev/dm-user/. It looks like a better way to do this may be to have
+ * a filesystem to manage these, but this was more expedient. The
+ * current mechanism is functional, but does result in an arbitrary
+ * number of dynamically created misc devices.
+ */
+ struct miscdevice miscdev;
+
+ /*
+ * Device mapper's target destructor triggers tearing this all down,
+ * but we can't actually free until every channel associated with this
+ * target has been destroyed. Channels each have a reference to their
+ * target, and there is an additional single reference that corresponds
+ * to both DM and the misc device (both of which are destroyed by DM).
+ *
+ * In the common case userspace will be asleep waiting for a new
+ * message when device mapper decides to destroy the target, which
+ * means no new messages will appear. The destroyed flag triggers a
+ * wakeup, which will end up removing the reference.
+ */
+ struct kref references;
+ int dm_destroyed;
+ bool daemon_terminated;
+};
+
+struct channel {
+ struct target *target;
+
+ /*
+ * A channel has a single lock, which prevents multiple reads (or
+ * multiple writes) from conflicting with each other.
+ */
+ struct mutex lock;
+
+ struct message *cur_to_user;
+ struct message *cur_from_user;
+ ssize_t to_user_error;
+ ssize_t from_user_error;
+
+ /*
+ * Once a message has been forwarded to userspace on a channel it must
+ * be responded to on the same channel. This allows us to error out
+ * the messages that have not yet been responded to by a channel when
+ * that channel closes, which makes handling errors more reasonable for
+ * fault-tolerant userspace daemons. It also happens to make avoiding
+ * shared locks between user_map() and dev_read() a lot easier.
+ *
+ * This does preclude a multi-threaded work stealing userspace
+ * implementation (or at least, force a degree of head-of-line blocking
+ * on the response path).
+ */
+ struct list_head from_user;
+
+ /*
+ * Responses from userspace can arrive in arbitrarily small chunks.
+ * We need some place to buffer one up until we can find the
+ * corresponding kernel-side message to continue processing, so instead
+ * of allocating them we just keep one off to the side here. This can
+ * only ever be pointer to by from_user_cur, and will never have a BIO.
+ */
+ struct message scratch_message_from_user;
+};
+
+static void message_kill(struct message *m, mempool_t *pool)
+{
+ m->bio->bi_status = BLK_STS_IOERR;
+ bio_endio(m->bio);
+ bio_put(m->bio);
+ mempool_free(m, pool);
+}
+
+static inline bool is_user_space_thread_present(struct target *t)
+{
+ lockdep_assert_held(&t->lock);
+ return (kref_read(&t->references) > 1);
+}
+
+static void process_delayed_work(struct work_struct *work)
+{
+ struct delayed_work *del_work = to_delayed_work(work);
+ struct message *msg = container_of(del_work, struct message, work);
+
+ struct target *t = msg->t;
+
+ mutex_lock(&t->lock);
+
+ /*
+ * There is a atleast one thread to process the IO.
+ */
+ if (is_user_space_thread_present(t)) {
+ mutex_unlock(&t->lock);
+ return;
+ }
+
+ /*
+ * Terminate the IO with an error
+ */
+ list_del(&msg->to_user);
+ pr_err("I/O error: sector %llu: no user-space daemon for %s target\n",
+ msg->bio->bi_iter.bi_sector,
+ t->miscdev.name);
+ message_kill(msg, &t->message_pool);
+ mutex_unlock(&t->lock);
+}
+
+static void enqueue_delayed_work(struct message *m, bool is_delay)
+{
+ unsigned long delay = 0;
+
+ m->delayed = true;
+ INIT_DELAYED_WORK(&m->work, process_delayed_work);
+
+ /*
+ * Snapuserd daemon is the user-space process
+ * which processes IO request from dm-user
+ * when OTA is applied. Per the current design,
+ * when a dm-user target is created, daemon
+ * attaches to target and starts processing
+ * the IO's. Daemon is terminated only when
+ * dm-user target is destroyed.
+ *
+ * If for some reason, daemon crashes or terminates early,
+ * without destroying the dm-user target; then
+ * there is no mechanism to restart the daemon
+ * and start processing the IO's from the same target.
+ * Theoretically, it is possible but that infrastructure
+ * doesn't exist in the android ecosystem.
+ *
+ * Thus, when the daemon terminates, there is no way the IO's
+ * issued on that target will be processed. Hence,
+ * we set the delay to 0 and fail the IO's immediately.
+ *
+ * On the other hand, when a new dm-user target is created,
+ * we wait for the daemon to get attached for the first time.
+ * This primarily happens when init first stage spins up
+ * the daemon. At this point, since the snapshot device is mounted
+ * of a root filesystem, dm-user target may receive IO request
+ * even though daemon is not fully launched. We don't want
+ * to fail those IO requests immediately. Thus, we queue these
+ * requests with a timeout so that daemon is ready to process
+ * those IO requests. Again, if the daemon fails to launch within
+ * the timeout period, then IO's will be failed.
+ */
+ if (is_delay)
+ delay = msecs_to_jiffies(daemon_timeout_msec);
+
+ queue_delayed_work(system_wq, &m->work, delay);
+}
+
+static inline struct target *target_from_target(struct dm_target *target)
+{
+ WARN_ON(target->private == NULL);
+ return target->private;
+}
+
+static inline struct target *target_from_miscdev(struct miscdevice *miscdev)
+{
+ return container_of(miscdev, struct target, miscdev);
+}
+
+static inline struct channel *channel_from_file(struct file *file)
+{
+ WARN_ON(file->private_data == NULL);
+ return file->private_data;
+}
+
+static inline struct target *target_from_channel(struct channel *c)
+{
+ WARN_ON(c->target == NULL);
+ return c->target;
+}
+
+static inline size_t bio_size(struct bio *bio)
+{
+ struct bio_vec bvec;
+ struct bvec_iter iter;
+ size_t out = 0;
+
+ bio_for_each_segment (bvec, bio, iter)
+ out += bio_iter_len(bio, iter);
+ return out;
+}
+
+static inline size_t bio_bytes_needed_to_user(struct bio *bio)
+{
+ switch (bio_op(bio)) {
+ case REQ_OP_WRITE:
+ return sizeof(struct dm_user_message) + bio_size(bio);
+ case REQ_OP_READ:
+ case REQ_OP_FLUSH:
+ case REQ_OP_DISCARD:
+ case REQ_OP_SECURE_ERASE:
+ case REQ_OP_WRITE_SAME:
+ case REQ_OP_WRITE_ZEROES:
+ return sizeof(struct dm_user_message);
+
+ /*
+ * These ops are not passed to userspace under the assumption that
+ * they're not going to be particularly useful in that context.
+ */
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static inline size_t bio_bytes_needed_from_user(struct bio *bio)
+{
+ switch (bio_op(bio)) {
+ case REQ_OP_READ:
+ return sizeof(struct dm_user_message) + bio_size(bio);
+ case REQ_OP_WRITE:
+ case REQ_OP_FLUSH:
+ case REQ_OP_DISCARD:
+ case REQ_OP_SECURE_ERASE:
+ case REQ_OP_WRITE_SAME:
+ case REQ_OP_WRITE_ZEROES:
+ return sizeof(struct dm_user_message);
+
+ /*
+ * These ops are not passed to userspace under the assumption that
+ * they're not going to be particularly useful in that context.
+ */
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static inline long bio_type_to_user_type(struct bio *bio)
+{
+ switch (bio_op(bio)) {
+ case REQ_OP_READ:
+ return DM_USER_REQ_MAP_READ;
+ case REQ_OP_WRITE:
+ return DM_USER_REQ_MAP_WRITE;
+ case REQ_OP_FLUSH:
+ return DM_USER_REQ_MAP_FLUSH;
+ case REQ_OP_DISCARD:
+ return DM_USER_REQ_MAP_DISCARD;
+ case REQ_OP_SECURE_ERASE:
+ return DM_USER_REQ_MAP_SECURE_ERASE;
+ case REQ_OP_WRITE_SAME:
+ return DM_USER_REQ_MAP_WRITE_SAME;
+ case REQ_OP_WRITE_ZEROES:
+ return DM_USER_REQ_MAP_WRITE_ZEROES;
+
+ /*
+ * These ops are not passed to userspace under the assumption that
+ * they're not going to be particularly useful in that context.
+ */
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static inline long bio_flags_to_user_flags(struct bio *bio)
+{
+ u64 out = 0;
+ typeof(bio->bi_opf) opf = bio->bi_opf & ~REQ_OP_MASK;
+
+ if (opf & REQ_FAILFAST_DEV) {
+ opf &= ~REQ_FAILFAST_DEV;
+ out |= DM_USER_REQ_MAP_FLAG_FAILFAST_DEV;
+ }
+
+ if (opf & REQ_FAILFAST_TRANSPORT) {
+ opf &= ~REQ_FAILFAST_TRANSPORT;
+ out |= DM_USER_REQ_MAP_FLAG_FAILFAST_TRANSPORT;
+ }
+
+ if (opf & REQ_FAILFAST_DRIVER) {
+ opf &= ~REQ_FAILFAST_DRIVER;
+ out |= DM_USER_REQ_MAP_FLAG_FAILFAST_DRIVER;
+ }
+
+ if (opf & REQ_SYNC) {
+ opf &= ~REQ_SYNC;
+ out |= DM_USER_REQ_MAP_FLAG_SYNC;
+ }
+
+ if (opf & REQ_META) {
+ opf &= ~REQ_META;
+ out |= DM_USER_REQ_MAP_FLAG_META;
+ }
+
+ if (opf & REQ_PRIO) {
+ opf &= ~REQ_PRIO;
+ out |= DM_USER_REQ_MAP_FLAG_PRIO;
+ }
+
+ if (opf & REQ_NOMERGE) {
+ opf &= ~REQ_NOMERGE;
+ out |= DM_USER_REQ_MAP_FLAG_NOMERGE;
+ }
+
+ if (opf & REQ_IDLE) {
+ opf &= ~REQ_IDLE;
+ out |= DM_USER_REQ_MAP_FLAG_IDLE;
+ }
+
+ if (opf & REQ_INTEGRITY) {
+ opf &= ~REQ_INTEGRITY;
+ out |= DM_USER_REQ_MAP_FLAG_INTEGRITY;
+ }
+
+ if (opf & REQ_FUA) {
+ opf &= ~REQ_FUA;
+ out |= DM_USER_REQ_MAP_FLAG_FUA;
+ }
+
+ if (opf & REQ_PREFLUSH) {
+ opf &= ~REQ_PREFLUSH;
+ out |= DM_USER_REQ_MAP_FLAG_PREFLUSH;
+ }
+
+ if (opf & REQ_RAHEAD) {
+ opf &= ~REQ_RAHEAD;
+ out |= DM_USER_REQ_MAP_FLAG_RAHEAD;
+ }
+
+ if (opf & REQ_BACKGROUND) {
+ opf &= ~REQ_BACKGROUND;
+ out |= DM_USER_REQ_MAP_FLAG_BACKGROUND;
+ }
+
+ if (opf & REQ_NOWAIT) {
+ opf &= ~REQ_NOWAIT;
+ out |= DM_USER_REQ_MAP_FLAG_NOWAIT;
+ }
+
+ if (opf & REQ_NOUNMAP) {
+ opf &= ~REQ_NOUNMAP;
+ out |= DM_USER_REQ_MAP_FLAG_NOUNMAP;
+ }
+
+ if (unlikely(opf)) {
+ pr_warn("unsupported BIO type %x\n", opf);
+ return -EOPNOTSUPP;
+ }
+ WARN_ON(out < 0);
+ return out;
+}
+
+/*
+ * Not quite what's in blk-map.c, but instead what I thought the functions in
+ * blk-map did. This one seems more generally useful and I think we could
+ * write the blk-map version in terms of this one. The differences are that
+ * this has a return value that counts, and blk-map uses the BIO _all iters.
+ * Neither advance the BIO iter but don't advance the IOV iter, which is a bit
+ * odd here.
+ */
+static ssize_t bio_copy_from_iter(struct bio *bio, struct iov_iter *iter)
+{
+ struct bio_vec bvec;
+ struct bvec_iter biter;
+ ssize_t out = 0;
+
+ bio_for_each_segment (bvec, bio, biter) {
+ ssize_t ret;
+
+ ret = copy_page_from_iter(bvec.bv_page, bvec.bv_offset,
+ bvec.bv_len, iter);
+
+ /*
+ * FIXME: I thought that IOV copies had a mechanism for
+ * terminating early, if for example a signal came in while
+ * sleeping waiting for a page to be mapped, but I don't see
+ * where that would happen.
+ */
+ WARN_ON(ret < 0);
+ out += ret;
+
+ if (!iov_iter_count(iter))
+ break;
+
+ if (ret < bvec.bv_len)
+ return ret;
+ }
+
+ return out;
+}
+
+static ssize_t bio_copy_to_iter(struct bio *bio, struct iov_iter *iter)
+{
+ struct bio_vec bvec;
+ struct bvec_iter biter;
+ ssize_t out = 0;
+
+ bio_for_each_segment (bvec, bio, biter) {
+ ssize_t ret;
+
+ ret = copy_page_to_iter(bvec.bv_page, bvec.bv_offset,
+ bvec.bv_len, iter);
+
+ /* as above */
+ WARN_ON(ret < 0);
+ out += ret;
+
+ if (!iov_iter_count(iter))
+ break;
+
+ if (ret < bvec.bv_len)
+ return ret;
+ }
+
+ return out;
+}
+
+static ssize_t msg_copy_to_iov(struct message *msg, struct iov_iter *to)
+{
+ ssize_t copied = 0;
+
+ if (!iov_iter_count(to))
+ return 0;
+
+ if (msg->posn_to_user < sizeof(msg->msg)) {
+ copied = copy_to_iter((char *)(&msg->msg) + msg->posn_to_user,
+ sizeof(msg->msg) - msg->posn_to_user, to);
+ } else {
+ copied = bio_copy_to_iter(msg->bio, to);
+ if (copied > 0)
+ bio_advance(msg->bio, copied);
+ }
+
+ if (copied < 0)
+ return copied;
+
+ msg->posn_to_user += copied;
+ return copied;
+}
+
+static ssize_t msg_copy_from_iov(struct message *msg, struct iov_iter *from)
+{
+ ssize_t copied = 0;
+
+ if (!iov_iter_count(from))
+ return 0;
+
+ if (msg->posn_from_user < sizeof(msg->msg)) {
+ copied = copy_from_iter(
+ (char *)(&msg->msg) + msg->posn_from_user,
+ sizeof(msg->msg) - msg->posn_from_user, from);
+ } else {
+ copied = bio_copy_from_iter(msg->bio, from);
+ if (copied > 0)
+ bio_advance(msg->bio, copied);
+ }
+
+ if (copied < 0)
+ return copied;
+
+ msg->posn_from_user += copied;
+ return copied;
+}
+
+static struct message *msg_get_map(struct target *t)
+{
+ struct message *m;
+
+ lockdep_assert_held(&t->lock);
+
+ m = mempool_alloc(&t->message_pool, GFP_NOIO);
+ m->msg.seq = t->next_seq_to_map++;
+ INIT_LIST_HEAD(&m->to_user);
+ INIT_LIST_HEAD(&m->from_user);
+ return m;
+}
+
+static struct message *msg_get_to_user(struct target *t)
+{
+ struct message *m;
+
+ lockdep_assert_held(&t->lock);
+
+ if (list_empty(&t->to_user))
+ return NULL;
+
+ m = list_first_entry(&t->to_user, struct message, to_user);
+
+ list_del(&m->to_user);
+
+ /*
+ * If the IO was queued to workqueue since there
+ * was no daemon to service the IO, then we
+ * will have to cancel the delayed work as the
+ * IO will be processed by this user-space thread.
+ *
+ * If the delayed work was already picked up for
+ * processing, then wait for it to complete. Note
+ * that the IO will not be terminated by the work
+ * queue thread.
+ */
+ if (unlikely(m->delayed)) {
+ mutex_unlock(&t->lock);
+ cancel_delayed_work_sync(&m->work);
+ mutex_lock(&t->lock);
+ }
+ return m;
+}
+
+static struct message *msg_get_from_user(struct channel *c, u64 seq)
+{
+ struct message *m;
+ struct list_head *cur, *tmp;
+
+ lockdep_assert_held(&c->lock);
+
+ list_for_each_safe (cur, tmp, &c->from_user) {
+ m = list_entry(cur, struct message, from_user);
+ if (m->msg.seq == seq) {
+ list_del(&m->from_user);
+ return m;
+ }
+ }
+
+ return NULL;
+}
+
+/*
+ * Returns 0 when there is no work left to do. This must be callable without
+ * holding the target lock, as it is part of the waitqueue's check expression.
+ * When called without the lock it may spuriously indicate there is remaining
+ * work, but when called with the lock it must be accurate.
+ */
+int target_poll(struct target *t)
+{
+ return !list_empty(&t->to_user) || t->dm_destroyed;
+}
+
+void target_release(struct kref *ref)
+{
+ struct target *t = container_of(ref, struct target, references);
+ struct list_head *cur, *tmp;
+
+ /*
+ * There may be outstanding BIOs that have not yet been given to
+ * userspace. At this point there's nothing we can do about them, as
+ * there are and will never be any channels.
+ */
+ list_for_each_safe (cur, tmp, &t->to_user) {
+ struct message *m = list_entry(cur, struct message, to_user);
+
+ if (unlikely(m->delayed)) {
+ bool ret;
+
+ mutex_unlock(&t->lock);
+ ret = cancel_delayed_work_sync(&m->work);
+ mutex_lock(&t->lock);
+ if (!ret)
+ continue;
+ }
+ message_kill(m, &t->message_pool);
+ }
+
+ mempool_exit(&t->message_pool);
+ mutex_unlock(&t->lock);
+ mutex_destroy(&t->lock);
+ kfree(t);
+}
+
+void target_put(struct target *t)
+{
+ /*
+ * This both releases a reference to the target and the lock. We leave
+ * it up to the caller to hold the lock, as they probably needed it for
+ * something else.
+ */
+ lockdep_assert_held(&t->lock);
+
+ if (!kref_put(&t->references, target_release)) {
+ /*
+ * User-space thread is getting terminated.
+ * We need to scan the list for all those
+ * pending IO's which were not processed yet
+ * and put them back to work-queue for delayed
+ * processing.
+ */
+ if (!is_user_space_thread_present(t)) {
+ struct list_head *cur, *tmp;
+
+ list_for_each_safe(cur, tmp, &t->to_user) {
+ struct message *m = list_entry(cur,
+ struct message,
+ to_user);
+ if (!m->delayed)
+ enqueue_delayed_work(m, false);
+ }
+ /*
+ * Daemon attached to this target is terminated.
+ */
+ t->daemon_terminated = true;
+ }
+ mutex_unlock(&t->lock);
+ }
+}
+
+static struct channel *channel_alloc(struct target *t)
+{
+ struct channel *c;
+
+ lockdep_assert_held(&t->lock);
+
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
+ if (c == NULL)
+ return NULL;
+
+ kref_get(&t->references);
+ c->target = t;
+ c->cur_from_user = &c->scratch_message_from_user;
+ mutex_init(&c->lock);
+ INIT_LIST_HEAD(&c->from_user);
+ return c;
+}
+
+void channel_free(struct channel *c)
+{
+ struct list_head *cur, *tmp;
+
+ lockdep_assert_held(&c->lock);
+
+ /*
+ * There may be outstanding BIOs that have been given to userspace but
+ * have not yet been completed. The channel has been shut down so
+ * there's no way to process the rest of those messages, so we just go
+ * ahead and error out the BIOs. Hopefully whatever's on the other end
+ * can handle the errors. One could imagine splitting the BIOs and
+ * completing as much as we got, but that seems like overkill here.
+ *
+ * Our only other options would be to let the BIO hang around (which
+ * seems way worse) or to resubmit it to userspace in the hope there's
+ * another channel. I don't really like the idea of submitting a
+ * message twice.
+ */
+ if (c->cur_to_user != NULL)
+ message_kill(c->cur_to_user, &c->target->message_pool);
+ if (c->cur_from_user != &c->scratch_message_from_user)
+ message_kill(c->cur_from_user, &c->target->message_pool);
+ list_for_each_safe (cur, tmp, &c->from_user)
+ message_kill(list_entry(cur, struct message, from_user),
+ &c->target->message_pool);
+
+ mutex_lock(&c->target->lock);
+ target_put(c->target);
+ mutex_unlock(&c->lock);
+ mutex_destroy(&c->lock);
+ kfree(c);
+}
+
+static int dev_open(struct inode *inode, struct file *file)
+{
+ struct channel *c;
+ struct target *t;
+
+ /*
+ * This is called by miscdev, which sets private_data to point to the
+ * struct miscdevice that was opened. The rest of our file operations
+ * want to refer to the channel that's been opened, so we swap that
+ * pointer out with a fresh channel.
+ *
+ * This is called with the miscdev lock held, which is also held while
+ * registering/unregistering the miscdev. The miscdev must be
+ * registered for this to get called, which means there must be an
+ * outstanding reference to the target, which means it cannot be freed
+ * out from under us despite us not holding a reference yet.
+ */
+ t = container_of(file->private_data, struct target, miscdev);
+ mutex_lock(&t->lock);
+ file->private_data = c = channel_alloc(t);
+
+ if (c == NULL) {
+ mutex_unlock(&t->lock);
+ return -ENOMEM;
+ }
+
+ mutex_unlock(&t->lock);
+ return 0;
+}
+
+static ssize_t dev_read(struct kiocb *iocb, struct iov_iter *to)
+{
+ struct channel *c = channel_from_file(iocb->ki_filp);
+ ssize_t total_processed = 0;
+ ssize_t processed;
+
+ mutex_lock(&c->lock);
+
+ if (unlikely(c->to_user_error)) {
+ total_processed = c->to_user_error;
+ goto cleanup_unlock;
+ }
+
+ if (c->cur_to_user == NULL) {
+ struct target *t = target_from_channel(c);
+
+ mutex_lock(&t->lock);
+
+ while (!target_poll(t)) {
+ int e;
+
+ mutex_unlock(&t->lock);
+ mutex_unlock(&c->lock);
+ e = wait_event_interruptible(t->wq, target_poll(t));
+ mutex_lock(&c->lock);
+ mutex_lock(&t->lock);
+
+ if (unlikely(e != 0)) {
+ /*
+ * We haven't processed any bytes in either the
+ * BIO or the IOV, so we can just terminate
+ * right now. Elsewhere in the kernel handles
+ * restarting the syscall when appropriate.
+ */
+ total_processed = e;
+ mutex_unlock(&t->lock);
+ goto cleanup_unlock;
+ }
+ }
+
+ if (unlikely(t->dm_destroyed)) {
+ /*
+ * DM has destroyed this target, so just lock
+ * the user out. There's really nothing else
+ * we can do here. Note that we don't actually
+ * tear any thing down until userspace has
+ * closed the FD, as there may still be
+ * outstanding BIOs.
+ *
+ * This is kind of a wacky error code to
+ * return. My goal was really just to try and
+ * find something that wasn't likely to be
+ * returned by anything else in the miscdev
+ * path. The message "block device required"
+ * seems like a somewhat reasonable thing to
+ * say when the target has disappeared out from
+ * under us, but "not block" isn't sensible.
+ */
+ c->to_user_error = total_processed = -ENOTBLK;
+ mutex_unlock(&t->lock);
+ goto cleanup_unlock;
+ }
+
+ /*
+ * Ensures that accesses to the message data are not ordered
+ * before the remote accesses that produce that message data.
+ *
+ * This pairs with the barrier in user_map(), via the
+ * conditional within the while loop above. Also see the lack
+ * of barrier in user_dtr(), which is why this can be after the
+ * destroyed check.
+ */
+ smp_rmb();
+
+ c->cur_to_user = msg_get_to_user(t);
+ WARN_ON(c->cur_to_user == NULL);
+ mutex_unlock(&t->lock);
+ }
+
+ processed = msg_copy_to_iov(c->cur_to_user, to);
+ total_processed += processed;
+
+ WARN_ON(c->cur_to_user->posn_to_user > c->cur_to_user->total_to_user);
+ if (c->cur_to_user->posn_to_user == c->cur_to_user->total_to_user) {
+ struct message *m = c->cur_to_user;
+
+ c->cur_to_user = NULL;
+ list_add_tail(&m->from_user, &c->from_user);
+ }
+
+cleanup_unlock:
+ mutex_unlock(&c->lock);
+ return total_processed;
+}
+
+static ssize_t dev_write(struct kiocb *iocb, struct iov_iter *from)
+{
+ struct channel *c = channel_from_file(iocb->ki_filp);
+ ssize_t total_processed = 0;
+ ssize_t processed;
+
+ mutex_lock(&c->lock);
+
+ if (unlikely(c->from_user_error)) {
+ total_processed = c->from_user_error;
+ goto cleanup_unlock;
+ }
+
+ /*
+ * cur_from_user can never be NULL. If there's no real message it must
+ * point to the scratch space.
+ */
+ WARN_ON(c->cur_from_user == NULL);
+ if (c->cur_from_user->posn_from_user < sizeof(struct dm_user_message)) {
+ struct message *msg, *old;
+
+ processed = msg_copy_from_iov(c->cur_from_user, from);
+ if (processed <= 0) {
+ pr_warn("msg_copy_from_iov() returned %zu\n",
+ processed);
+ c->from_user_error = -EINVAL;
+ goto cleanup_unlock;
+ }
+ total_processed += processed;
+
+ /*
+ * In the unlikely event the user has provided us a very short
+ * write, not even big enough to fill a message, just succeed.
+ * We'll eventually build up enough bytes to do something.
+ */
+ if (unlikely(c->cur_from_user->posn_from_user <
+ sizeof(struct dm_user_message)))
+ goto cleanup_unlock;
+
+ old = c->cur_from_user;
+ mutex_lock(&c->target->lock);
+ msg = msg_get_from_user(c, c->cur_from_user->msg.seq);
+ if (msg == NULL) {
+ pr_info("user provided an invalid messag seq of %llx\n",
+ old->msg.seq);
+ mutex_unlock(&c->target->lock);
+ c->from_user_error = -EINVAL;
+ goto cleanup_unlock;
+ }
+ mutex_unlock(&c->target->lock);
+
+ WARN_ON(old->posn_from_user != sizeof(struct dm_user_message));
+ msg->posn_from_user = sizeof(struct dm_user_message);
+ msg->return_type = old->msg.type;
+ msg->return_flags = old->msg.flags;
+ WARN_ON(msg->posn_from_user > msg->total_from_user);
+ c->cur_from_user = msg;
+ WARN_ON(old != &c->scratch_message_from_user);
+ }
+
+ /*
+ * Userspace can signal an error for single requests by overwriting the
+ * seq field.
+ */
+ switch (c->cur_from_user->return_type) {
+ case DM_USER_RESP_SUCCESS:
+ c->cur_from_user->bio->bi_status = BLK_STS_OK;
+ break;
+ case DM_USER_RESP_ERROR:
+ case DM_USER_RESP_UNSUPPORTED:
+ default:
+ c->cur_from_user->bio->bi_status = BLK_STS_IOERR;
+ goto finish_bio;
+ }
+
+ /*
+ * The op was a success as far as userspace is concerned, so process
+ * whatever data may come along with it. The user may provide the BIO
+ * data in multiple chunks, in which case we don't need to finish the
+ * BIO.
+ */
+ processed = msg_copy_from_iov(c->cur_from_user, from);
+ total_processed += processed;
+
+ if (c->cur_from_user->posn_from_user <
+ c->cur_from_user->total_from_user)
+ goto cleanup_unlock;
+
+finish_bio:
+ /*
+ * When we set up this message the BIO's size matched the
+ * message size, if that's not still the case then something
+ * has gone off the rails.
+ */
+ WARN_ON(bio_size(c->cur_from_user->bio) != 0);
+ bio_endio(c->cur_from_user->bio);
+ bio_put(c->cur_from_user->bio);
+
+ /*
+ * We don't actually need to take the target lock here, as all
+ * we're doing is freeing the message and mempools have their
+ * own lock. Each channel has its ows scratch message.
+ */
+ WARN_ON(c->cur_from_user == &c->scratch_message_from_user);
+ mempool_free(c->cur_from_user, &c->target->message_pool);
+ c->scratch_message_from_user.posn_from_user = 0;
+ c->cur_from_user = &c->scratch_message_from_user;
+
+cleanup_unlock:
+ mutex_unlock(&c->lock);
+ return total_processed;
+}
+
+static int dev_release(struct inode *inode, struct file *file)
+{
+ struct channel *c;
+
+ c = channel_from_file(file);
+ mutex_lock(&c->lock);
+ channel_free(c);
+
+ return 0;
+}
+
+static const struct file_operations file_operations = {
+ .owner = THIS_MODULE,
+ .open = dev_open,
+ .llseek = no_llseek,
+ .read_iter = dev_read,
+ .write_iter = dev_write,
+ .release = dev_release,
+};
+
+static int user_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+{
+ struct target *t;
+ int r;
+
+ if (argc != 3) {
+ ti->error = "Invalid argument count";
+ r = -EINVAL;
+ goto cleanup_none;
+ }
+
+ t = kzalloc(sizeof(*t), GFP_KERNEL);
+ if (t == NULL) {
+ r = -ENOMEM;
+ goto cleanup_none;
+ }
+ ti->private = t;
+
+ /* Enable more BIO types. */
+ ti->num_discard_bios = 1;
+ ti->discards_supported = true;
+ ti->num_flush_bios = 1;
+ ti->flush_supported = true;
+
+ /*
+ * We begin with a single reference to the target, which is miscdev's
+ * reference. This ensures that the target won't be freed
+ * until after the miscdev has been unregistered and all extant
+ * channels have been closed.
+ */
+ kref_init(&t->references);
+
+ t->daemon_terminated = false;
+ mutex_init(&t->lock);
+ init_waitqueue_head(&t->wq);
+ INIT_LIST_HEAD(&t->to_user);
+ mempool_init_kmalloc_pool(&t->message_pool, MAX_OUTSTANDING_MESSAGES,
+ sizeof(struct message));
+
+ t->miscdev.minor = MISC_DYNAMIC_MINOR;
+ t->miscdev.fops = &file_operations;
+ t->miscdev.name = kasprintf(GFP_KERNEL, "dm-user/%s", argv[2]);
+ if (t->miscdev.name == NULL) {
+ r = -ENOMEM;
+ goto cleanup_message_pool;
+ }
+
+ /*
+ * Once the miscdev is registered it can be opened and therefor
+ * concurrent references to the channel can happen. Holding the target
+ * lock during misc_register() could deadlock. If registration
+ * succeeds then we will not access the target again so we just stick a
+ * barrier here, which pairs with taking the target lock everywhere
+ * else the target is accessed.
+ *
+ * I forgot where we ended up on the RCpc/RCsc locks. IIU RCsc locks
+ * would mean that we could take the target lock earlier and release it
+ * here instead of the memory barrier. I'm not sure that's any better,
+ * though, and this isn't on a hot path so it probably doesn't matter
+ * either way.
+ */
+ smp_mb();
+
+ r = misc_register(&t->miscdev);
+ if (r) {
+ DMERR("Unable to register miscdev %s for dm-user",
+ t->miscdev.name);
+ r = -ENOMEM;
+ goto cleanup_misc_name;
+ }
+
+ return 0;
+
+cleanup_misc_name:
+ kfree(t->miscdev.name);
+cleanup_message_pool:
+ mempool_exit(&t->message_pool);
+ kfree(t);
+cleanup_none:
+ return r;
+}
+
+static void user_dtr(struct dm_target *ti)
+{
+ struct target *t = target_from_target(ti);
+
+ /*
+ * Removes the miscdev. This must be called without the target lock
+ * held to avoid a possible deadlock because our open implementation is
+ * called holding the miscdev lock and must later take the target lock.
+ *
+ * There is no race here because only DM can register/unregister the
+ * miscdev, and DM ensures that doesn't happen twice. The internal
+ * miscdev lock is sufficient to ensure there are no races between
+ * deregistering the miscdev and open.
+ */
+ misc_deregister(&t->miscdev);
+
+ /*
+ * We are now free to take the target's lock and drop our reference to
+ * the target. There are almost certainly tasks sleeping in read on at
+ * least one of the channels associated with this target, this
+ * explicitly wakes them up and terminates the read.
+ */
+ mutex_lock(&t->lock);
+ /*
+ * No barrier here, as wait/wake ensures that the flag visibility is
+ * correct WRT the wake/sleep state of the target tasks.
+ */
+ t->dm_destroyed = true;
+ wake_up_all(&t->wq);
+ target_put(t);
+}
+
+/*
+ * Consumes a BIO from device mapper, queueing it up for userspace.
+ */
+static int user_map(struct dm_target *ti, struct bio *bio)
+{
+ struct target *t;
+ struct message *entry;
+
+ t = target_from_target(ti);
+ /*
+ * FIXME
+ *
+ * This seems like a bad idea. Specifically, here we're
+ * directly on the IO path when we take the target lock, which may also
+ * be taken from a user context. The user context doesn't actively
+ * trigger anything that may sleep while holding the lock, but this
+ * still seems like a bad idea.
+ *
+ * The obvious way to fix this would be to use a proper queue, which
+ * would result in no shared locks between the direct IO path and user
+ * tasks. I had a version that did this, but the head-of-line blocking
+ * from the circular buffer resulted in us needing a fairly large
+ * allocation in order to avoid situations in which the queue fills up
+ * and everything goes off the rails.
+ *
+ * I could jump through a some hoops to avoid a shared lock while still
+ * allowing for a large queue, but I'm not actually sure that allowing
+ * for very large queues is the right thing to do here. Intuitively it
+ * seems better to keep the queues small in here (essentially sized to
+ * the user latency for performance reasons only) and rely on returning
+ * DM_MAPIO_REQUEUE regularly, as that would give the rest of the
+ * kernel more information.
+ *
+ * I'll spend some time trying to figure out what's going on with
+ * DM_MAPIO_REQUEUE, but if someone has a better idea of how to fix
+ * this I'm all ears.
+ */
+ mutex_lock(&t->lock);
+
+ /*
+ * FIXME
+ *
+ * The assumption here is that there's no benefit to returning
+ * DM_MAPIO_KILL as opposed to just erroring out the BIO, but I'm not
+ * sure that's actually true -- for example, I could imagine users
+ * expecting that submitted BIOs are unlikely to fail and therefor
+ * relying on submission failure to indicate an unsupported type.
+ *
+ * There's two ways I can think of to fix this:
+ * - Add DM arguments that are parsed during the constructor that
+ * allow various dm_target flags to be set that indicate the op
+ * types supported by this target. This may make sense for things
+ * like discard, where DM can already transform the BIOs to a form
+ * that's likely to be supported.
+ * - Some sort of pre-filter that allows userspace to hook in here
+ * and kill BIOs before marking them as submitted. My guess would
+ * be that a userspace round trip is a bad idea here, but a BPF
+ * call seems resonable.
+ *
+ * My guess is that we'd likely want to do both. The first one is easy
+ * and gives DM the proper info, so it seems better. The BPF call
+ * seems overly complex for just this, but one could imagine wanting to
+ * sometimes return _MAPPED and a BPF filter would be the way to do
+ * that.
+ *
+ * For example, in Android we have an in-kernel DM device called
+ * "dm-bow" that takes advange of some portion of the space that has
+ * been discarded on a device to provide opportunistic block-level
+ * backups. While one could imagine just implementing this entirely in
+ * userspace, that would come with an appreciable performance penalty.
+ * Instead one could keep a BPF program that forwards most accesses
+ * directly to the backing block device while informing a userspace
+ * daemon of any discarded space and on writes to blocks that are to be
+ * backed up.
+ */
+ if (unlikely((bio_type_to_user_type(bio) < 0) ||
+ (bio_flags_to_user_flags(bio) < 0))) {
+ mutex_unlock(&t->lock);
+ return DM_MAPIO_KILL;
+ }
+
+ entry = msg_get_map(t);
+ if (unlikely(entry == NULL)) {
+ mutex_unlock(&t->lock);
+ return DM_MAPIO_REQUEUE;
+ }
+
+ bio_get(bio);
+ entry->msg.type = bio_type_to_user_type(bio);
+ entry->msg.flags = bio_flags_to_user_flags(bio);
+ entry->msg.sector = bio->bi_iter.bi_sector;
+ entry->msg.len = bio_size(bio);
+ entry->bio = bio;
+ entry->posn_to_user = 0;
+ entry->total_to_user = bio_bytes_needed_to_user(bio);
+ entry->posn_from_user = 0;
+ entry->total_from_user = bio_bytes_needed_from_user(bio);
+ entry->delayed = false;
+ entry->t = t;
+ /* Pairs with the barrier in dev_read() */
+ smp_wmb();
+ list_add_tail(&entry->to_user, &t->to_user);
+
+ /*
+ * If there is no daemon to process the IO's,
+ * queue these messages into a workqueue with
+ * a timeout.
+ */
+ if (!is_user_space_thread_present(t))
+ enqueue_delayed_work(entry, !t->daemon_terminated);
+
+ wake_up_interruptible(&t->wq);
+ mutex_unlock(&t->lock);
+ return DM_MAPIO_SUBMITTED;
+}
+
+static struct target_type user_target = {
+ .name = "user",
+ .version = { 1, 0, 0 },
+ .module = THIS_MODULE,
+ .ctr = user_ctr,
+ .dtr = user_dtr,
+ .map = user_map,
+};
+
+static int __init dm_user_init(void)
+{
+ int r;
+
+ r = dm_register_target(&user_target);
+ if (r) {
+ DMERR("register failed %d", r);
+ goto error;
+ }
+
+ return 0;
+
+error:
+ return r;
+}
+
+static void __exit dm_user_exit(void)
+{
+ dm_unregister_target(&user_target);
+}
+
+module_init(dm_user_init);
+module_exit(dm_user_exit);
+MODULE_AUTHOR("Palmer Dabbelt <palmerdabbelt@google.com>");
+MODULE_DESCRIPTION(DM_NAME " target returning blocks from userspace");
+MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index 808a98e..9d5c6dd 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -475,6 +475,7 @@ static int verity_verify_io(struct dm_verity_io *io)
struct bvec_iter start;
unsigned b;
struct crypto_wait wait;
+ struct bio *bio = dm_bio_from_per_bio_data(io, v->ti->per_io_data_size);
for (b = 0; b < io->n_blocks; b++) {
int r;
@@ -529,9 +530,17 @@ static int verity_verify_io(struct dm_verity_io *io)
else if (verity_fec_decode(v, io, DM_VERITY_BLOCK_TYPE_DATA,
cur_block, NULL, &start) == 0)
continue;
- else if (verity_handle_err(v, DM_VERITY_BLOCK_TYPE_DATA,
+ else {
+ if (bio->bi_status) {
+ /*
+ * Error correction failed; Just return error
+ */
+ return -EIO;
+ }
+ if (verity_handle_err(v, DM_VERITY_BLOCK_TYPE_DATA,
cur_block))
- return -EIO;
+ return -EIO;
+ }
}
return 0;
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 19a70f4..08b0d3a 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -28,6 +28,7 @@
#include <linux/refcount.h>
#include <linux/part_stat.h>
#include <linux/blk-crypto.h>
+#include <linux/keyslot-manager.h>
#define DM_MSG_PREFIX "core"
@@ -1778,6 +1779,19 @@ static const struct dax_operations dm_dax_ops;
static void dm_wq_work(struct work_struct *work);
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+static void dm_queue_destroy_keyslot_manager(struct request_queue *q)
+{
+ dm_destroy_keyslot_manager(q->ksm);
+}
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+static inline void dm_queue_destroy_keyslot_manager(struct request_queue *q)
+{
+}
+#endif /* !CONFIG_BLK_INLINE_ENCRYPTION */
+
static void cleanup_mapped_device(struct mapped_device *md)
{
if (md->wq)
@@ -1799,8 +1813,10 @@ static void cleanup_mapped_device(struct mapped_device *md)
put_disk(md->disk);
}
- if (md->queue)
+ if (md->queue) {
+ dm_queue_destroy_keyslot_manager(md->queue);
blk_cleanup_queue(md->queue);
+ }
cleanup_srcu_struct(&md->io_barrier);
@@ -2452,27 +2468,19 @@ static int lock_fs(struct mapped_device *md)
{
int r;
- WARN_ON(md->frozen_sb);
+ WARN_ON(test_bit(DMF_FROZEN, &md->flags));
- md->frozen_sb = freeze_bdev(md->bdev);
- if (IS_ERR(md->frozen_sb)) {
- r = PTR_ERR(md->frozen_sb);
- md->frozen_sb = NULL;
- return r;
- }
-
- set_bit(DMF_FROZEN, &md->flags);
-
- return 0;
+ r = freeze_bdev(md->bdev);
+ if (!r)
+ set_bit(DMF_FROZEN, &md->flags);
+ return r;
}
static void unlock_fs(struct mapped_device *md)
{
if (!test_bit(DMF_FROZEN, &md->flags))
return;
-
- thaw_bdev(md->bdev, md->frozen_sb);
- md->frozen_sb = NULL;
+ thaw_bdev(md->bdev);
clear_bit(DMF_FROZEN, &md->flags);
}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c82953a..3934347 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -953,8 +953,7 @@ static void dispatch_bio_list(struct bio_list *tmp)
submit_bio_noacct(bio);
}
-static int cmp_stripe(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int cmp_stripe(void *priv, struct list_head *a, struct list_head *b)
{
const struct r5pending_data *da = list_entry(a,
struct r5pending_data, sibling);
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index a6d073f..118e7dd 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -66,8 +66,7 @@
# Multimedia support - automatically enable V4L2 and DVB core
#
config MEDIA_CAMERA_SUPPORT
- bool
- prompt "Cameras and video grabbers" if MEDIA_SUPPORT_FILTER
+ bool "Cameras and video grabbers"
default y if !MEDIA_SUPPORT_FILTER
help
Enable support for webcams and video grabbers.
@@ -75,8 +74,7 @@
Say Y when you have a webcam or a video capture grabber board.
config MEDIA_ANALOG_TV_SUPPORT
- bool
- prompt "Analog TV" if MEDIA_SUPPORT_FILTER
+ bool "Analog TV"
default y if !MEDIA_SUPPORT_FILTER
help
Enable analog TV support.
@@ -89,8 +87,7 @@
will disable support for them.
config MEDIA_DIGITAL_TV_SUPPORT
- bool
- prompt "Digital TV" if MEDIA_SUPPORT_FILTER
+ tristate "Digital TV"
default y if !MEDIA_SUPPORT_FILTER
help
Enable digital TV support.
@@ -99,8 +96,7 @@
hybrid digital TV and analog TV.
config MEDIA_RADIO_SUPPORT
- bool
- prompt "AM/FM radio receivers/transmitters" if MEDIA_SUPPORT_FILTER
+ bool "AM/FM radio receivers/transmitters"
default y if !MEDIA_SUPPORT_FILTER
help
Enable AM/FM radio support.
@@ -115,8 +111,7 @@
disable support for them.
config MEDIA_SDR_SUPPORT
- bool
- prompt "Software defined radio" if MEDIA_SUPPORT_FILTER
+ bool "Software defined radio"
default y if !MEDIA_SUPPORT_FILTER
help
Enable software defined radio support.
@@ -124,8 +119,7 @@
Say Y when you have a software defined radio device.
config MEDIA_PLATFORM_SUPPORT
- bool
- prompt "Platform-specific devices" if MEDIA_SUPPORT_FILTER
+ bool "Platform-specific devices"
default y if !MEDIA_SUPPORT_FILTER
help
Enable support for complex cameras, codecs, and other hardware
@@ -138,8 +132,7 @@
Say Y when you want to be able so see such devices.
config MEDIA_TEST_SUPPORT
- bool
- prompt "Test drivers" if MEDIA_SUPPORT_FILTER
+ bool "Test drivers"
default y if !MEDIA_SUPPORT_FILTER
help
Those drivers should not be used on production Kernels, but
diff --git a/drivers/media/i2c/saa6588.c b/drivers/media/i2c/saa6588.c
index d1e0716..ecb491d 100644
--- a/drivers/media/i2c/saa6588.c
+++ b/drivers/media/i2c/saa6588.c
@@ -380,7 +380,7 @@ static void saa6588_configure(struct saa6588 *s)
/* ---------------------------------------------------------------------- */
-static long saa6588_command(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
+static long saa6588_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct saa6588 *s = to_saa6588(sd);
struct saa6588_command *a = arg;
@@ -433,7 +433,7 @@ static int saa6588_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt)
/* ----------------------------------------------------------------------- */
static const struct v4l2_subdev_core_ops saa6588_core_ops = {
- .command = saa6588_command,
+ .ioctl = saa6588_ioctl,
};
static const struct v4l2_subdev_tuner_ops saa6588_tuner_ops = {
diff --git a/drivers/media/mc/mc-device.c b/drivers/media/mc/mc-device.c
index 9e56d2a..0fb6e4e 100644
--- a/drivers/media/mc/mc-device.c
+++ b/drivers/media/mc/mc-device.c
@@ -18,6 +18,7 @@
#include <linux/pci.h>
#include <linux/usb.h>
#include <linux/version.h>
+#include <trace/hooks/v4l2mc.h>
#include <media/media-device.h>
#include <media/media-devnode.h>
@@ -203,6 +204,7 @@ static long media_device_setup_link(struct media_device *mdev, void *arg)
struct media_link *link = NULL;
struct media_entity *source;
struct media_entity *sink;
+ int ret = 0;
/* Find the source and sink entities and link.
*/
@@ -221,9 +223,13 @@ static long media_device_setup_link(struct media_device *mdev, void *arg)
if (link == NULL)
return -EINVAL;
- memset(linkd->reserved, 0, sizeof(linkd->reserved));
+ /* Setup the link on both entities */
+ trace_android_vh_media_device_setup_link(link, linkd, &ret);
+ trace_android_rvh_media_device_setup_link(link, linkd, &ret);
+ if (ret)
+ return ret;
- /* Setup the link on both entities. */
+ memset(linkd->reserved, 0, sizeof(linkd->reserved));
return __media_entity_setup_link(link, linkd->flags);
}
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 35a51e9..8824dd0 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -3187,7 +3187,7 @@ static int radio_release(struct file *file)
btv->radio_user--;
- bttv_call_all(btv, core, command, SAA6588_CMD_CLOSE, &cmd);
+ bttv_call_all(btv, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
if (btv->radio_user == 0)
btv->has_radio_tuner = 0;
@@ -3268,7 +3268,7 @@ static ssize_t radio_read(struct file *file, char __user *data,
cmd.result = -ENODEV;
radio_enable(btv);
- bttv_call_all(btv, core, command, SAA6588_CMD_READ, &cmd);
+ bttv_call_all(btv, core, ioctl, SAA6588_CMD_READ, &cmd);
return cmd.result;
}
@@ -3289,7 +3289,7 @@ static __poll_t radio_poll(struct file *file, poll_table *wait)
cmd.instance = file;
cmd.event_list = wait;
cmd.poll_mask = res;
- bttv_call_all(btv, core, command, SAA6588_CMD_POLL, &cmd);
+ bttv_call_all(btv, core, ioctl, SAA6588_CMD_POLL, &cmd);
return cmd.poll_mask;
}
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index 85d082b..9a6a6b6 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -1178,7 +1178,7 @@ static int video_release(struct file *file)
saa_call_all(dev, tuner, standby);
if (vdev->vfl_type == VFL_TYPE_RADIO)
- saa_call_all(dev, core, command, SAA6588_CMD_CLOSE, &cmd);
+ saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
mutex_unlock(&dev->lock);
return 0;
@@ -1197,7 +1197,7 @@ static ssize_t radio_read(struct file *file, char __user *data,
cmd.result = -ENODEV;
mutex_lock(&dev->lock);
- saa_call_all(dev, core, command, SAA6588_CMD_READ, &cmd);
+ saa_call_all(dev, core, ioctl, SAA6588_CMD_READ, &cmd);
mutex_unlock(&dev->lock);
return cmd.result;
@@ -1213,7 +1213,7 @@ static __poll_t radio_poll(struct file *file, poll_table *wait)
cmd.event_list = wait;
cmd.poll_mask = 0;
mutex_lock(&dev->lock);
- saa_call_all(dev, core, command, SAA6588_CMD_POLL, &cmd);
+ saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
mutex_unlock(&dev->lock);
return rc | cmd.poll_mask;
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 7e152bb..119e8c2 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -211,6 +211,7 @@
depends on MTK_IOMMU_V1 || MTK_IOMMU || COMPILE_TEST
depends on VIDEO_DEV && VIDEO_V4L2
depends on ARCH_MEDIATEK || COMPILE_TEST
+ depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
select VIDEOBUF2_DMA_CONTIG
select V4L2_MEM2MEM_DEV
help
@@ -238,6 +239,7 @@
depends on MTK_IOMMU || COMPILE_TEST
depends on VIDEO_DEV && VIDEO_V4L2
depends on ARCH_MEDIATEK || COMPILE_TEST
+ depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
select VIDEOBUF2_DMA_CONTIG
select V4L2_MEM2MEM_DEV
select VIDEO_MEDIATEK_VPU
@@ -258,6 +260,7 @@
# our dependencies, to avoid missing symbols during link.
depends on VIDEO_MEDIATEK_VPU || !VIDEO_MEDIATEK_VPU
depends on MTK_SCP || !MTK_SCP
+ depends on MTK_SMI || (COMPILE_TEST && MTK_SMI=n)
select VIDEOBUF2_DMA_CONTIG
select V4L2_MEM2MEM_DEV
select VIDEO_MEDIATEK_VCODEC_VPU if VIDEO_MEDIATEK_VPU
diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index bf3c3e7..d19bad9 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -47,7 +47,7 @@ static int venc_is_second_field(struct vpbe_display *disp_dev)
ret = v4l2_subdev_call(vpbe_dev->venc,
core,
- command,
+ ioctl,
VENC_GET_FLD,
&val);
if (ret < 0) {
diff --git a/drivers/media/platform/davinci/vpbe_venc.c b/drivers/media/platform/davinci/vpbe_venc.c
index bde241c..8caa084 100644
--- a/drivers/media/platform/davinci/vpbe_venc.c
+++ b/drivers/media/platform/davinci/vpbe_venc.c
@@ -521,7 +521,9 @@ static int venc_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
return ret;
}
-static long venc_command(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
+static long venc_ioctl(struct v4l2_subdev *sd,
+ unsigned int cmd,
+ void *arg)
{
u32 val;
@@ -540,7 +542,7 @@ static long venc_command(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
}
static const struct v4l2_subdev_core_ops venc_core_ops = {
- .command = venc_command,
+ .ioctl = venc_ioctl,
};
static const struct v4l2_subdev_video_ops venc_video_ops = {
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index 61e144a..f176275 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -168,6 +168,14 @@ static struct mfc_control controls[] = {
.default_value = 0,
},
{
+ .id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .minimum = 0,
+ .maximum = 16383,
+ .step = 1,
+ .default_value = 0,
+ },
+ {
.id = V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "H264 Display Delay Enable",
@@ -177,6 +185,13 @@ static struct mfc_control controls[] = {
.default_value = 0,
},
{
+ .id = V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE,
+ .type = V4L2_CTRL_TYPE_BOOLEAN,
+ .minimum = 0,
+ .maximum = 1,
+ .default_value = 0,
+ },
+ {
.id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Mpeg4 Loop Filter Enable",
@@ -690,9 +705,11 @@ static int s5p_mfc_dec_s_ctrl(struct v4l2_ctrl *ctrl)
switch (ctrl->id) {
case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY:
+ case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:
ctx->display_delay = ctrl->val;
break;
case V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE:
+ case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
ctx->display_delay_enable = ctrl->val;
break;
case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index a99e82e..cd8927e 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -465,6 +465,11 @@ struct v4l2_plane32 {
__s32 fd;
} m;
__u32 data_offset;
+ /*
+ * few userspace clients and drivers use reserved fields
+ * and it is up to them how these fields are used. v4l2
+ * simply copy reserved fields between them.
+ */
__u32 reserved[11];
};
@@ -529,7 +534,9 @@ static int get_v4l2_plane32(struct v4l2_plane __user *p64,
if (copy_in_user(p64, p32, 2 * sizeof(__u32)) ||
copy_in_user(&p64->data_offset, &p32->data_offset,
- sizeof(p64->data_offset)))
+ sizeof(p64->data_offset)) ||
+ copy_in_user(p64->reserved, p32->reserved,
+ sizeof(p64->reserved)))
return -EFAULT;
switch (memory) {
@@ -561,7 +568,9 @@ static int put_v4l2_plane32(struct v4l2_plane __user *p64,
if (copy_in_user(p32, p64, 2 * sizeof(__u32)) ||
copy_in_user(&p32->data_offset, &p64->data_offset,
- sizeof(p64->data_offset)))
+ sizeof(p64->data_offset)) ||
+ copy_in_user(p32->reserved, p64->reserved,
+ sizeof(p32->reserved)))
return -EFAULT;
switch (memory) {
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 41f8410..e46515f 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -421,6 +421,11 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
"Annex B Start Code",
NULL,
};
+ static const char * const h264_hierarchical_coding_type[] = {
+ "Hier Coding B",
+ "Hier Coding P",
+ NULL,
+ };
static const char * const mpeg_mpeg2_level[] = {
"Low",
"Main",
@@ -697,6 +702,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
return h264_decode_mode;
case V4L2_CID_MPEG_VIDEO_H264_START_CODE:
return h264_start_code;
+ case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:
+ return h264_hierarchical_coding_type;
case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
return mpeg_mpeg2_level;
case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
@@ -874,6 +881,9 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_HEADER_MODE: return "Sequence Header Mode";
case V4L2_CID_MPEG_VIDEO_MAX_REF_PIC: return "Max Number of Reference Pics";
case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE: return "Frame Skip Mode";
+ case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY: return "Display Delay";
+ case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE: return "Display Delay Enable";
+ case V4L2_CID_MPEG_VIDEO_AU_DELIMITER: return "Generate Access Unit Delimiters";
case V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP: return "H263 I-Frame QP Value";
case V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP: return "H263 P-Frame QP Value";
case V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP: return "H263 B-Frame QP Value";
@@ -920,6 +930,15 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP: return "H264 I-Frame Maximum QP Value";
case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP: return "H264 P-Frame Minimum QP Value";
case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP: return "H264 P-Frame Maximum QP Value";
+ case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP: return "H264 B-Frame Minimum QP Value";
+ case V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP: return "H264 B-Frame Maximum QP Value";
+ case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR: return "H264 Hierarchical Lay 0 Bitrate";
+ case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR: return "H264 Hierarchical Lay 1 Bitrate";
+ case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR: return "H264 Hierarchical Lay 2 Bitrate";
+ case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR: return "H264 Hierarchical Lay 3 Bitrate";
+ case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR: return "H264 Hierarchical Lay 4 Bitrate";
+ case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR: return "H264 Hierarchical Lay 5 Bitrate";
+ case V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR: return "H264 Hierarchical Lay 6 Bitrate";
case V4L2_CID_MPEG_VIDEO_H264_SPS: return "H264 Sequence Parameter Set";
case V4L2_CID_MPEG_VIDEO_H264_PPS: return "H264 Picture Parameter Set";
case V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX: return "H264 Scaling Matrix";
@@ -944,11 +963,16 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_VBV_SIZE: return "VBV Buffer Size";
case V4L2_CID_MPEG_VIDEO_DEC_PTS: return "Video Decoder PTS";
case V4L2_CID_MPEG_VIDEO_DEC_FRAME: return "Video Decoder Frame Count";
+ case V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR: return "Video Decoder Conceal Color";
case V4L2_CID_MPEG_VIDEO_VBV_DELAY: return "Initial Delay for VBV Control";
case V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE: return "Horizontal MV Search Range";
case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE: return "Vertical MV Search Range";
case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER: return "Repeat Sequence Header";
case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME: return "Force Key Frame";
+ case V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID: return "Base Layer Priority ID";
+ case V4L2_CID_MPEG_VIDEO_LTR_COUNT: return "LTR Count";
+ case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX: return "Frame LTR Index";
+ case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES: return "Use LTR Frames";
case V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS: return "MPEG-2 Slice Parameters";
case V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION: return "MPEG-2 Quantization Matrices";
case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS: return "FWHT Stateless Parameters";
@@ -978,6 +1002,12 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP: return "HEVC B-Frame QP Value";
case V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP: return "HEVC Minimum QP Value";
case V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP: return "HEVC Maximum QP Value";
+ case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP: return "HEVC I-Frame Minimum QP Value";
+ case V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP: return "HEVC I-Frame Maximum QP Value";
+ case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP: return "HEVC P-Frame Minimum QP Value";
+ case V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP: return "HEVC P-Frame Maximum QP Value";
+ case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP: return "HEVC B-Frame Minimum QP Value";
+ case V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP: return "HEVC B-Frame Maximum QP Value";
case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE: return "HEVC Profile";
case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL: return "HEVC Level";
case V4L2_CID_MPEG_VIDEO_HEVC_TIER: return "HEVC Tier";
@@ -1181,6 +1211,12 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD: return "MD Global Threshold";
case V4L2_CID_DETECT_MD_THRESHOLD_GRID: return "MD Threshold Grid";
case V4L2_CID_DETECT_MD_REGION_GRID: return "MD Region Grid";
+
+ /* Colorimetry controls */
+ /* Keep the order of the 'case's the same as in v4l2-controls.h! */
+ case V4L2_CID_COLORIMETRY_CLASS: return "Colorimetry Controls";
+ case V4L2_CID_COLORIMETRY_HDR10_CLL_INFO: return "HDR10 Content Light Info";
+ case V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY: return "HDR10 Mastering Display";
default:
return NULL;
}
@@ -1221,12 +1257,14 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_FLASH_READY:
case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
+ case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE:
case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
case V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM:
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:
case V4L2_CID_MPEG_VIDEO_MPEG4_QPEL:
case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER:
+ case V4L2_CID_MPEG_VIDEO_AU_DELIMITER:
case V4L2_CID_WIDE_DYNAMIC_RANGE:
case V4L2_CID_IMAGE_STABILIZATION:
case V4L2_CID_RDS_RECEPTION:
@@ -1256,8 +1294,20 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
break;
case V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE:
case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE:
+ case V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY:
*type = V4L2_CTRL_TYPE_INTEGER;
break;
+ case V4L2_CID_MPEG_VIDEO_LTR_COUNT:
+ *type = V4L2_CTRL_TYPE_INTEGER;
+ break;
+ case V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX:
+ *type = V4L2_CTRL_TYPE_INTEGER;
+ *flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
+ break;
+ case V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES:
+ *type = V4L2_CTRL_TYPE_BITMASK;
+ *flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
+ break;
case V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME:
case V4L2_CID_PAN_RESET:
case V4L2_CID_TILT_RESET:
@@ -1308,6 +1358,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
case V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE:
case V4L2_CID_MPEG_VIDEO_H264_START_CODE:
+ case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:
case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL:
case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE:
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
@@ -1368,8 +1419,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_FM_RX_CLASS:
case V4L2_CID_RF_TUNER_CLASS:
case V4L2_CID_DETECT_CLASS:
+ case V4L2_CID_COLORIMETRY_CLASS:
*type = V4L2_CTRL_TYPE_CTRL_CLASS;
- /* You can neither read not write these */
+ /* You can neither read nor write these */
*flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY;
*min = *max = *step = *def = 0;
break;
@@ -1409,6 +1461,14 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
*max = 0x7fffffffffffffffLL;
*step = 1;
break;
+ case V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR:
+ *type = V4L2_CTRL_TYPE_INTEGER64;
+ *min = 0;
+ /* default for 8 bit black, luma is 16, chroma is 128 */
+ *def = 0x8000800010LL;
+ *max = 0xffffffffffffLL;
+ *step = 1;
+ break;
case V4L2_CID_PIXEL_RATE:
*type = V4L2_CTRL_TYPE_INTEGER64;
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
@@ -1465,6 +1525,12 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
*type = V4L2_CTRL_TYPE_AREA;
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
+ case V4L2_CID_COLORIMETRY_HDR10_CLL_INFO:
+ *type = V4L2_CTRL_TYPE_HDR10_CLL_INFO;
+ break;
+ case V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY:
+ *type = V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY;
+ break;
default:
*type = V4L2_CTRL_TYPE_INTEGER;
break;
@@ -1727,6 +1793,12 @@ static void std_log(const struct v4l2_ctrl *ctrl)
case V4L2_CTRL_TYPE_U32:
pr_cont("%u", (unsigned)*ptr.p_u32);
break;
+ case V4L2_CTRL_TYPE_HDR10_CLL_INFO:
+ pr_cont("HDR10_CLL_INFO");
+ break;
+ case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY:
+ pr_cont("HDR10_MASTERING_DISPLAY");
+ break;
default:
pr_cont("unknown type %d", ctrl->type);
break;
@@ -1775,6 +1847,7 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
struct v4l2_ctrl_hevc_sps *p_hevc_sps;
struct v4l2_ctrl_hevc_pps *p_hevc_pps;
struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
+ struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
struct v4l2_area *area;
void *p = ptr.p + idx * ctrl->elem_size;
unsigned int i;
@@ -1934,6 +2007,53 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
zero_padding(*p_hevc_slice_params);
break;
+ case V4L2_CTRL_TYPE_HDR10_CLL_INFO:
+ break;
+
+ case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY:
+ p_hdr10_mastering = p;
+
+ for (i = 0; i < 3; ++i) {
+ if (p_hdr10_mastering->display_primaries_x[i] <
+ V4L2_HDR10_MASTERING_PRIMARIES_X_LOW ||
+ p_hdr10_mastering->display_primaries_x[i] >
+ V4L2_HDR10_MASTERING_PRIMARIES_X_HIGH ||
+ p_hdr10_mastering->display_primaries_y[i] <
+ V4L2_HDR10_MASTERING_PRIMARIES_Y_LOW ||
+ p_hdr10_mastering->display_primaries_y[i] >
+ V4L2_HDR10_MASTERING_PRIMARIES_Y_HIGH)
+ return -EINVAL;
+ }
+
+ if (p_hdr10_mastering->white_point_x <
+ V4L2_HDR10_MASTERING_WHITE_POINT_X_LOW ||
+ p_hdr10_mastering->white_point_x >
+ V4L2_HDR10_MASTERING_WHITE_POINT_X_HIGH ||
+ p_hdr10_mastering->white_point_y <
+ V4L2_HDR10_MASTERING_WHITE_POINT_Y_LOW ||
+ p_hdr10_mastering->white_point_y >
+ V4L2_HDR10_MASTERING_WHITE_POINT_Y_HIGH)
+ return -EINVAL;
+
+ if (p_hdr10_mastering->max_display_mastering_luminance <
+ V4L2_HDR10_MASTERING_MAX_LUMA_LOW ||
+ p_hdr10_mastering->max_display_mastering_luminance >
+ V4L2_HDR10_MASTERING_MAX_LUMA_HIGH ||
+ p_hdr10_mastering->min_display_mastering_luminance <
+ V4L2_HDR10_MASTERING_MIN_LUMA_LOW ||
+ p_hdr10_mastering->min_display_mastering_luminance >
+ V4L2_HDR10_MASTERING_MIN_LUMA_HIGH)
+ return -EINVAL;
+
+ /* The following restriction comes from ITU-T Rec. H.265 spec */
+ if (p_hdr10_mastering->max_display_mastering_luminance ==
+ V4L2_HDR10_MASTERING_MAX_LUMA_LOW &&
+ p_hdr10_mastering->min_display_mastering_luminance ==
+ V4L2_HDR10_MASTERING_MIN_LUMA_HIGH)
+ return -EINVAL;
+
+ break;
+
case V4L2_CTRL_TYPE_AREA:
area = p;
if (!area->width || !area->height)
@@ -2644,6 +2764,12 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS:
elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params);
break;
+ case V4L2_CTRL_TYPE_HDR10_CLL_INFO:
+ elem_size = sizeof(struct v4l2_ctrl_hdr10_cll_info);
+ break;
+ case V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY:
+ elem_size = sizeof(struct v4l2_ctrl_hdr10_mastering_display);
+ break;
case V4L2_CTRL_TYPE_AREA:
elem_size = sizeof(struct v4l2_area);
break;
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 4ffa14e..91963aa9 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -28,6 +28,8 @@
#include <media/v4l2-mem2mem.h>
#include <trace/events/v4l2.h>
+#include <trace/hooks/v4l2core.h>
+
/* Zero out the end of the struct pointed to by p. Everything after, but
* not including, the specified field is cleared. */
@@ -76,6 +78,15 @@ static const struct std_descr standards[] = {
{ 0, "Unknown" }
};
+static void clear_reserved(struct v4l2_format *p)
+{
+ int ret = 0;
+
+ trace_android_vh_clear_reserved_fmt_fields(p, &ret);
+ if (!ret)
+ CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+}
+
/* video4linux standard ID conversion to standard name
*/
const char *v4l2_norm_to_name(v4l2_std_id id)
@@ -1470,6 +1481,9 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_MT21C: descr = "Mediatek Compressed Format"; break;
case V4L2_PIX_FMT_SUNXI_TILED_NV12: descr = "Sunxi Tiled NV12 Format"; break;
default:
+ trace_android_vh_fill_ext_fmtdesc(fmt, &descr);
+ if (descr)
+ break;
if (fmt->description[0])
return;
WARN(1, "Unknown pixelformat 0x%08x\n", fmt->pixelformat);
@@ -1691,7 +1705,7 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
if (unlikely(!ops->vidioc_s_fmt_vid_cap_mplane))
break;
- CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ clear_reserved(p);
for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
bytesperline);
@@ -1722,7 +1736,7 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
if (unlikely(!ops->vidioc_s_fmt_vid_out_mplane))
break;
- CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ clear_reserved(p);
for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
bytesperline);
@@ -1793,7 +1807,7 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
if (unlikely(!ops->vidioc_try_fmt_vid_cap_mplane))
break;
- CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ clear_reserved(p);
for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
bytesperline);
@@ -1824,7 +1838,7 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
if (unlikely(!ops->vidioc_try_fmt_vid_out_mplane))
break;
- CLEAR_AFTER_FIELD(p, fmt.pix_mp.xfer_func);
+ clear_reserved(p);
for (i = 0; i < p->fmt.pix_mp.num_planes; i++)
CLEAR_AFTER_FIELD(&p->fmt.pix_mp.plane_fmt[i],
bytesperline);
@@ -3188,6 +3202,7 @@ static int video_get_user(void __user *arg, void *parg, unsigned int cmd,
if (flags & INFO_FL_CLEAR_MASK)
n = (flags & INFO_FL_CLEAR_MASK) >> 16;
*always_copy = flags & INFO_FL_ALWAYS_COPY;
+ trace_android_vh_clear_mask_adjust(v4l2_ioctls[_IOC_NR(cmd)].ioctl, &n);
}
if (copy_from_user(parg, (void __user *)arg, n))
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index fbf0dcb..4a95991 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -22,6 +22,9 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-event.h>
+#ifndef __GENKSYMS__
+#include <trace/hooks/v4l2core.h>
+#endif
#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
static int subdev_fh_init(struct v4l2_subdev_fh *fh, struct v4l2_subdev *sd)
@@ -487,10 +490,18 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
case VIDIOC_SUBDEV_S_FMT: {
struct v4l2_subdev_format *format = arg;
+ int ret = 0;
if (format->which != V4L2_SUBDEV_FORMAT_TRY && ro_subdev)
return -EPERM;
+ trace_android_vh_v4l2subdev_set_fmt(sd, subdev_fh->pad,
+ format, &ret);
+ trace_android_rvh_v4l2subdev_set_fmt(sd, subdev_fh->pad,
+ format, &ret);
+ if (ret)
+ return ret;
+
memset(format->reserved, 0, sizeof(format->reserved));
memset(format->format.reserved, 0, sizeof(format->format.reserved));
return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh->pad, format);
@@ -561,10 +572,16 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
case VIDIOC_SUBDEV_S_FRAME_INTERVAL: {
struct v4l2_subdev_frame_interval *fi = arg;
+ int ret = 0;
if (ro_subdev)
return -EPERM;
+ trace_android_vh_v4l2subdev_set_frame_interval(sd, fi, &ret);
+ trace_android_rvh_v4l2subdev_set_frame_interval(sd, fi, &ret);
+ if (ret)
+ return ret;
+
memset(fi->reserved, 0, sizeof(fi->reserved));
return v4l2_subdev_call(sd, video, s_frame_interval, arg);
}
@@ -587,10 +604,18 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
case VIDIOC_SUBDEV_S_SELECTION: {
struct v4l2_subdev_selection *sel = arg;
+ int ret = 0;
if (sel->which != V4L2_SUBDEV_FORMAT_TRY && ro_subdev)
return -EPERM;
+ trace_android_vh_v4l2subdev_set_selection(sd, subdev_fh->pad,
+ sel, &ret);
+ trace_android_rvh_v4l2subdev_set_selection(sd, subdev_fh->pad,
+ sel, &ret);
+ if (ret)
+ return ret;
+
memset(sel->reserved, 0, sizeof(sel->reserved));
return v4l2_subdev_call(
sd, pad, set_selection, subdev_fh->pad, sel);
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index cc2c83e..e08bda1 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -173,7 +173,7 @@
memory devices such as NAND and SRAM.
config MTK_SMI
- bool "Mediatek SoC Memory Controller driver" if COMPILE_TEST
+ tristate "MediaTek SoC Memory Controller driver" if COMPILE_TEST
depends on ARCH_MEDIATEK || COMPILE_TEST
help
This driver is for the Memory Controller module in MediaTek SoCs,
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 75f8e0f..b396253 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -15,6 +15,7 @@
#include <linux/pm_runtime.h>
#include <soc/mediatek/smi.h>
#include <dt-bindings/memory/mt2701-larb-port.h>
+#include <dt-bindings/memory/mtk-memory-port.h>
/* mt8173 */
#define SMI_LARB_MMU_EN 0xf00
@@ -43,6 +44,10 @@
/* mt2712 */
#define SMI_LARB_NONSEC_CON(id) (0x380 + ((id) * 4))
#define F_MMU_EN BIT(0)
+#define BANK_SEL(id) ({ \
+ u32 _id = (id) & 0x3; \
+ (_id << 8 | _id << 10 | _id << 12 | _id << 14); \
+})
/* SMI COMMON */
#define SMI_BUS_SEL 0x220
@@ -87,6 +92,7 @@ struct mtk_smi_larb { /* larb: local arbiter */
const struct mtk_smi_larb_gen *larb_gen;
int larbid;
u32 *mmu;
+ unsigned char *bank;
};
static int mtk_smi_clk_enable(const struct mtk_smi *smi)
@@ -153,6 +159,7 @@ mtk_smi_larb_bind(struct device *dev, struct device *master, void *data)
if (dev == larb_mmu[i].dev) {
larb->larbid = i;
larb->mmu = &larb_mmu[i].mmu;
+ larb->bank = larb_mmu[i].bank;
return 0;
}
}
@@ -171,6 +178,7 @@ static void mtk_smi_larb_config_port_gen2_general(struct device *dev)
for_each_set_bit(i, (unsigned long *)larb->mmu, 32) {
reg = readl_relaxed(larb->base + SMI_LARB_NONSEC_CON(i));
reg |= F_MMU_EN;
+ reg |= BANK_SEL(larb->bank[i]);
writel(reg, larb->base + SMI_LARB_NONSEC_CON(i));
}
}
@@ -268,6 +276,10 @@ static const struct mtk_smi_larb_gen mtk_smi_larb_mt8183 = {
/* IPU0 | IPU1 | CCU */
};
+static const struct mtk_smi_larb_gen mtk_smi_larb_mt8192 = {
+ .config_port = mtk_smi_larb_config_port_gen2_general,
+};
+
static const struct of_device_id mtk_smi_larb_of_ids[] = {
{
.compatible = "mediatek,mt8167-smi-larb",
@@ -293,6 +305,10 @@ static const struct of_device_id mtk_smi_larb_of_ids[] = {
.compatible = "mediatek,mt8183-smi-larb",
.data = &mtk_smi_larb_mt8183
},
+ {
+ .compatible = "mediatek,mt8192-smi-larb",
+ .data = &mtk_smi_larb_mt8192
+ },
{}
};
@@ -432,6 +448,13 @@ static const struct mtk_smi_common_plat mtk_smi_common_mt8183 = {
F_MMU1_LARB(7),
};
+static const struct mtk_smi_common_plat mtk_smi_common_mt8192 = {
+ .gen = MTK_SMI_GEN2,
+ .has_gals = true,
+ .bus_sel = F_MMU1_LARB(1) | F_MMU1_LARB(2) | F_MMU1_LARB(5) |
+ F_MMU1_LARB(6),
+};
+
static const struct of_device_id mtk_smi_common_of_ids[] = {
{
.compatible = "mediatek,mt8173-smi-common",
@@ -457,6 +480,10 @@ static const struct of_device_id mtk_smi_common_of_ids[] = {
.compatible = "mediatek,mt8183-smi-common",
.data = &mtk_smi_common_mt8183,
},
+ {
+ .compatible = "mediatek,mt8192-smi-common",
+ .data = &mtk_smi_common_mt8192,
+ },
{}
};
@@ -568,26 +595,22 @@ static struct platform_driver mtk_smi_common_driver = {
}
};
+static struct platform_driver * const smidrivers[] = {
+ &mtk_smi_common_driver,
+ &mtk_smi_larb_driver,
+};
+
static int __init mtk_smi_init(void)
{
- int ret;
-
- ret = platform_driver_register(&mtk_smi_common_driver);
- if (ret != 0) {
- pr_err("Failed to register SMI driver\n");
- return ret;
- }
-
- ret = platform_driver_register(&mtk_smi_larb_driver);
- if (ret != 0) {
- pr_err("Failed to register SMI-LARB driver\n");
- goto err_unreg_smi;
- }
- return ret;
-
-err_unreg_smi:
- platform_driver_unregister(&mtk_smi_common_driver);
- return ret;
+ return platform_register_drivers(smidrivers, ARRAY_SIZE(smidrivers));
}
-
module_init(mtk_smi_init);
+
+static void __exit mtk_smi_exit(void)
+{
+ platform_unregister_drivers(smidrivers, ARRAY_SIZE(smidrivers));
+}
+module_exit(mtk_smi_exit);
+
+MODULE_DESCRIPTION("MediaTek SMI driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/memory/pl172.c b/drivers/memory/pl172.c
index 575fadb..9eb8cc7 100644
--- a/drivers/memory/pl172.c
+++ b/drivers/memory/pl172.c
@@ -273,14 +273,12 @@ static int pl172_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int pl172_remove(struct amba_device *adev)
+static void pl172_remove(struct amba_device *adev)
{
struct pl172_data *pl172 = amba_get_drvdata(adev);
clk_disable_unprepare(pl172->clk);
amba_release_regions(adev);
-
- return 0;
}
static const struct amba_id pl172_ids[] = {
diff --git a/drivers/memory/pl353-smc.c b/drivers/memory/pl353-smc.c
index cc01979..b0b251b 100644
--- a/drivers/memory/pl353-smc.c
+++ b/drivers/memory/pl353-smc.c
@@ -427,14 +427,12 @@ static int pl353_smc_probe(struct amba_device *adev, const struct amba_id *id)
return err;
}
-static int pl353_smc_remove(struct amba_device *adev)
+static void pl353_smc_remove(struct amba_device *adev)
{
struct pl353_smc_data *pl353_smc = amba_get_drvdata(adev);
clk_disable_unprepare(pl353_smc->memclk);
clk_disable_unprepare(pl353_smc->aclk);
-
- return 0;
}
static const struct amba_id pl353_ids[] = {
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index fafa8b0..2c8929a 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -448,6 +448,21 @@
tristate
default MISC_RTSX_PCI || MISC_RTSX_USB
+config UID_SYS_STATS
+ bool "Per-UID statistics"
+ depends on PROFILING && TASK_XACCT && TASK_IO_ACCOUNTING
+ help
+ Per UID based cpu time statistics exported to /proc/uid_cputime
+ Per UID based io statistics exported to /proc/uid_io
+ Per UID based procstat control in /proc/uid_procstat
+
+config UID_SYS_STATS_DEBUG
+ bool "Per-TASK statistics"
+ depends on UID_SYS_STATS
+ default n
+ help
+ Per TASK based io statistics exported to /proc/uid_io
+
config PVPANIC
tristate "pvpanic device support"
depends on HAS_IOMEM && (ACPI || OF)
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index d23231e..aecaaed 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -57,3 +57,4 @@
obj-$(CONFIG_UACCE) += uacce/
obj-$(CONFIG_XILINX_SDFEC) += xilinx_sdfec.o
obj-$(CONFIG_HISI_HIKEY_USB) += hisi_hikey_usb.o
+obj-$(CONFIG_UID_SYS_STATS) += uid_sys_stats.o
diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile
index 30c8ac2..101cdfc 100644
--- a/drivers/misc/lkdtm/Makefile
+++ b/drivers/misc/lkdtm/Makefile
@@ -11,8 +11,10 @@
lkdtm-$(CONFIG_LKDTM) += stackleak.o
lkdtm-$(CONFIG_LKDTM) += cfi.o
+KASAN_SANITIZE_rodata.o := n
KASAN_SANITIZE_stackleak.o := n
KCOV_INSTRUMENT_rodata.o := n
+CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO)
OBJCOPYFLAGS :=
OBJCOPYFLAGS_rodata_objcopy.o := \
diff --git a/drivers/misc/lkdtm/usercopy.c b/drivers/misc/lkdtm/usercopy.c
index 109e8d4..d173d61 100644
--- a/drivers/misc/lkdtm/usercopy.c
+++ b/drivers/misc/lkdtm/usercopy.c
@@ -314,7 +314,7 @@ void lkdtm_USERCOPY_KERNEL(void)
pr_info("attempting bad copy_to_user from kernel text: %px\n",
vm_mmap);
- if (copy_to_user((void __user *)user_addr, vm_mmap,
+ if (copy_to_user((void __user *)user_addr, __va_function(vm_mmap),
unconst + PAGE_SIZE)) {
pr_warn("copy_to_user failed, but lacked Oops\n");
goto free_user;
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index 202bf95..6c1a23c 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -144,8 +144,8 @@ static void sram_free_partitions(struct sram_dev *sram)
}
}
-static int sram_reserve_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int sram_reserve_cmp(void *priv, struct list_head *a,
+ struct list_head *b)
{
struct sram_reserve *ra = list_entry(a, struct sram_reserve, list);
struct sram_reserve *rb = list_entry(b, struct sram_reserve, list);
diff --git a/drivers/misc/uid_sys_stats.c b/drivers/misc/uid_sys_stats.c
new file mode 100644
index 0000000..4733670
--- /dev/null
+++ b/drivers/misc/uid_sys_stats.c
@@ -0,0 +1,706 @@
+/* drivers/misc/uid_sys_stats.c
+ *
+ * Copyright (C) 2014 - 2015 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/atomic.h>
+#include <linux/err.h>
+#include <linux/hashtable.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <linux/proc_fs.h>
+#include <linux/profile.h>
+#include <linux/rtmutex.h>
+#include <linux/sched/cputime.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+
+#define UID_HASH_BITS 10
+DECLARE_HASHTABLE(hash_table, UID_HASH_BITS);
+
+static DEFINE_RT_MUTEX(uid_lock);
+static struct proc_dir_entry *cpu_parent;
+static struct proc_dir_entry *io_parent;
+static struct proc_dir_entry *proc_parent;
+
+struct io_stats {
+ u64 read_bytes;
+ u64 write_bytes;
+ u64 rchar;
+ u64 wchar;
+ u64 fsync;
+};
+
+#define UID_STATE_FOREGROUND 0
+#define UID_STATE_BACKGROUND 1
+#define UID_STATE_BUCKET_SIZE 2
+
+#define UID_STATE_TOTAL_CURR 2
+#define UID_STATE_TOTAL_LAST 3
+#define UID_STATE_DEAD_TASKS 4
+#define UID_STATE_SIZE 5
+
+#define MAX_TASK_COMM_LEN 256
+
+struct task_entry {
+ char comm[MAX_TASK_COMM_LEN];
+ pid_t pid;
+ struct io_stats io[UID_STATE_SIZE];
+ struct hlist_node hash;
+};
+
+struct uid_entry {
+ uid_t uid;
+ u64 utime;
+ u64 stime;
+ u64 active_utime;
+ u64 active_stime;
+ int state;
+ struct io_stats io[UID_STATE_SIZE];
+ struct hlist_node hash;
+#ifdef CONFIG_UID_SYS_STATS_DEBUG
+ DECLARE_HASHTABLE(task_entries, UID_HASH_BITS);
+#endif
+};
+
+static u64 compute_write_bytes(struct task_struct *task)
+{
+ if (task->ioac.write_bytes <= task->ioac.cancelled_write_bytes)
+ return 0;
+
+ return task->ioac.write_bytes - task->ioac.cancelled_write_bytes;
+}
+
+static void compute_io_bucket_stats(struct io_stats *io_bucket,
+ struct io_stats *io_curr,
+ struct io_stats *io_last,
+ struct io_stats *io_dead)
+{
+ /* tasks could switch to another uid group, but its io_last in the
+ * previous uid group could still be positive.
+ * therefore before each update, do an overflow check first
+ */
+ int64_t delta;
+
+ delta = io_curr->read_bytes + io_dead->read_bytes -
+ io_last->read_bytes;
+ io_bucket->read_bytes += delta > 0 ? delta : 0;
+ delta = io_curr->write_bytes + io_dead->write_bytes -
+ io_last->write_bytes;
+ io_bucket->write_bytes += delta > 0 ? delta : 0;
+ delta = io_curr->rchar + io_dead->rchar - io_last->rchar;
+ io_bucket->rchar += delta > 0 ? delta : 0;
+ delta = io_curr->wchar + io_dead->wchar - io_last->wchar;
+ io_bucket->wchar += delta > 0 ? delta : 0;
+ delta = io_curr->fsync + io_dead->fsync - io_last->fsync;
+ io_bucket->fsync += delta > 0 ? delta : 0;
+
+ io_last->read_bytes = io_curr->read_bytes;
+ io_last->write_bytes = io_curr->write_bytes;
+ io_last->rchar = io_curr->rchar;
+ io_last->wchar = io_curr->wchar;
+ io_last->fsync = io_curr->fsync;
+
+ memset(io_dead, 0, sizeof(struct io_stats));
+}
+
+#ifdef CONFIG_UID_SYS_STATS_DEBUG
+static void get_full_task_comm(struct task_entry *task_entry,
+ struct task_struct *task)
+{
+ int i = 0, offset = 0, len = 0;
+ /* save one byte for terminating null character */
+ int unused_len = MAX_TASK_COMM_LEN - TASK_COMM_LEN - 1;
+ char buf[MAX_TASK_COMM_LEN - TASK_COMM_LEN - 1];
+ struct mm_struct *mm = task->mm;
+
+ /* fill the first TASK_COMM_LEN bytes with thread name */
+ __get_task_comm(task_entry->comm, TASK_COMM_LEN, task);
+ i = strlen(task_entry->comm);
+ while (i < TASK_COMM_LEN)
+ task_entry->comm[i++] = ' ';
+
+ /* next the executable file name */
+ if (mm) {
+ mmap_write_lock(mm);
+ if (mm->exe_file) {
+ char *pathname = d_path(&mm->exe_file->f_path, buf,
+ unused_len);
+
+ if (!IS_ERR(pathname)) {
+ len = strlcpy(task_entry->comm + i, pathname,
+ unused_len);
+ i += len;
+ task_entry->comm[i++] = ' ';
+ unused_len--;
+ }
+ }
+ mmap_write_unlock(mm);
+ }
+ unused_len -= len;
+
+ /* fill the rest with command line argument
+ * replace each null or new line character
+ * between args in argv with whitespace */
+ len = get_cmdline(task, buf, unused_len);
+ while (offset < len) {
+ if (buf[offset] != '\0' && buf[offset] != '\n')
+ task_entry->comm[i++] = buf[offset];
+ else
+ task_entry->comm[i++] = ' ';
+ offset++;
+ }
+
+ /* get rid of trailing whitespaces in case when arg is memset to
+ * zero before being reset in userspace
+ */
+ while (task_entry->comm[i-1] == ' ')
+ i--;
+ task_entry->comm[i] = '\0';
+}
+
+static struct task_entry *find_task_entry(struct uid_entry *uid_entry,
+ struct task_struct *task)
+{
+ struct task_entry *task_entry;
+
+ hash_for_each_possible(uid_entry->task_entries, task_entry, hash,
+ task->pid) {
+ if (task->pid == task_entry->pid) {
+ /* if thread name changed, update the entire command */
+ int len = strnchr(task_entry->comm, ' ', TASK_COMM_LEN)
+ - task_entry->comm;
+
+ if (strncmp(task_entry->comm, task->comm, len))
+ get_full_task_comm(task_entry, task);
+ return task_entry;
+ }
+ }
+ return NULL;
+}
+
+static struct task_entry *find_or_register_task(struct uid_entry *uid_entry,
+ struct task_struct *task)
+{
+ struct task_entry *task_entry;
+ pid_t pid = task->pid;
+
+ task_entry = find_task_entry(uid_entry, task);
+ if (task_entry)
+ return task_entry;
+
+ task_entry = kzalloc(sizeof(struct task_entry), GFP_ATOMIC);
+ if (!task_entry)
+ return NULL;
+
+ get_full_task_comm(task_entry, task);
+
+ task_entry->pid = pid;
+ hash_add(uid_entry->task_entries, &task_entry->hash, (unsigned int)pid);
+
+ return task_entry;
+}
+
+static void remove_uid_tasks(struct uid_entry *uid_entry)
+{
+ struct task_entry *task_entry;
+ unsigned long bkt_task;
+ struct hlist_node *tmp_task;
+
+ hash_for_each_safe(uid_entry->task_entries, bkt_task,
+ tmp_task, task_entry, hash) {
+ hash_del(&task_entry->hash);
+ kfree(task_entry);
+ }
+}
+
+static void set_io_uid_tasks_zero(struct uid_entry *uid_entry)
+{
+ struct task_entry *task_entry;
+ unsigned long bkt_task;
+
+ hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {
+ memset(&task_entry->io[UID_STATE_TOTAL_CURR], 0,
+ sizeof(struct io_stats));
+ }
+}
+
+static void add_uid_tasks_io_stats(struct uid_entry *uid_entry,
+ struct task_struct *task, int slot)
+{
+ struct task_entry *task_entry = find_or_register_task(uid_entry, task);
+ struct io_stats *task_io_slot = &task_entry->io[slot];
+
+ task_io_slot->read_bytes += task->ioac.read_bytes;
+ task_io_slot->write_bytes += compute_write_bytes(task);
+ task_io_slot->rchar += task->ioac.rchar;
+ task_io_slot->wchar += task->ioac.wchar;
+ task_io_slot->fsync += task->ioac.syscfs;
+}
+
+static void compute_io_uid_tasks(struct uid_entry *uid_entry)
+{
+ struct task_entry *task_entry;
+ unsigned long bkt_task;
+
+ hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {
+ compute_io_bucket_stats(&task_entry->io[uid_entry->state],
+ &task_entry->io[UID_STATE_TOTAL_CURR],
+ &task_entry->io[UID_STATE_TOTAL_LAST],
+ &task_entry->io[UID_STATE_DEAD_TASKS]);
+ }
+}
+
+static void show_io_uid_tasks(struct seq_file *m, struct uid_entry *uid_entry)
+{
+ struct task_entry *task_entry;
+ unsigned long bkt_task;
+
+ hash_for_each(uid_entry->task_entries, bkt_task, task_entry, hash) {
+ /* Separated by comma because space exists in task comm */
+ seq_printf(m, "task,%s,%lu,%llu,%llu,%llu,%llu,%llu,%llu,%llu,%llu,%llu,%llu\n",
+ task_entry->comm,
+ (unsigned long)task_entry->pid,
+ task_entry->io[UID_STATE_FOREGROUND].rchar,
+ task_entry->io[UID_STATE_FOREGROUND].wchar,
+ task_entry->io[UID_STATE_FOREGROUND].read_bytes,
+ task_entry->io[UID_STATE_FOREGROUND].write_bytes,
+ task_entry->io[UID_STATE_BACKGROUND].rchar,
+ task_entry->io[UID_STATE_BACKGROUND].wchar,
+ task_entry->io[UID_STATE_BACKGROUND].read_bytes,
+ task_entry->io[UID_STATE_BACKGROUND].write_bytes,
+ task_entry->io[UID_STATE_FOREGROUND].fsync,
+ task_entry->io[UID_STATE_BACKGROUND].fsync);
+ }
+}
+#else
+static void remove_uid_tasks(struct uid_entry *uid_entry) {};
+static void set_io_uid_tasks_zero(struct uid_entry *uid_entry) {};
+static void add_uid_tasks_io_stats(struct uid_entry *uid_entry,
+ struct task_struct *task, int slot) {};
+static void compute_io_uid_tasks(struct uid_entry *uid_entry) {};
+static void show_io_uid_tasks(struct seq_file *m,
+ struct uid_entry *uid_entry) {}
+#endif
+
+static struct uid_entry *find_uid_entry(uid_t uid)
+{
+ struct uid_entry *uid_entry;
+ hash_for_each_possible(hash_table, uid_entry, hash, uid) {
+ if (uid_entry->uid == uid)
+ return uid_entry;
+ }
+ return NULL;
+}
+
+static struct uid_entry *find_or_register_uid(uid_t uid)
+{
+ struct uid_entry *uid_entry;
+
+ uid_entry = find_uid_entry(uid);
+ if (uid_entry)
+ return uid_entry;
+
+ uid_entry = kzalloc(sizeof(struct uid_entry), GFP_ATOMIC);
+ if (!uid_entry)
+ return NULL;
+
+ uid_entry->uid = uid;
+#ifdef CONFIG_UID_SYS_STATS_DEBUG
+ hash_init(uid_entry->task_entries);
+#endif
+ hash_add(hash_table, &uid_entry->hash, uid);
+
+ return uid_entry;
+}
+
+static int uid_cputime_show(struct seq_file *m, void *v)
+{
+ struct uid_entry *uid_entry = NULL;
+ struct task_struct *task, *temp;
+ struct user_namespace *user_ns = current_user_ns();
+ u64 utime;
+ u64 stime;
+ unsigned long bkt;
+ uid_t uid;
+
+ rt_mutex_lock(&uid_lock);
+
+ hash_for_each(hash_table, bkt, uid_entry, hash) {
+ uid_entry->active_stime = 0;
+ uid_entry->active_utime = 0;
+ }
+
+ rcu_read_lock();
+ do_each_thread(temp, task) {
+ uid = from_kuid_munged(user_ns, task_uid(task));
+ if (!uid_entry || uid_entry->uid != uid)
+ uid_entry = find_or_register_uid(uid);
+ if (!uid_entry) {
+ rcu_read_unlock();
+ rt_mutex_unlock(&uid_lock);
+ pr_err("%s: failed to find the uid_entry for uid %d\n",
+ __func__, uid);
+ return -ENOMEM;
+ }
+ /* avoid double accounting of dying threads */
+ if (!(task->flags & PF_EXITING)) {
+ task_cputime_adjusted(task, &utime, &stime);
+ uid_entry->active_utime += utime;
+ uid_entry->active_stime += stime;
+ }
+ } while_each_thread(temp, task);
+ rcu_read_unlock();
+
+ hash_for_each(hash_table, bkt, uid_entry, hash) {
+ u64 total_utime = uid_entry->utime +
+ uid_entry->active_utime;
+ u64 total_stime = uid_entry->stime +
+ uid_entry->active_stime;
+ seq_printf(m, "%d: %llu %llu\n", uid_entry->uid,
+ ktime_to_us(total_utime), ktime_to_us(total_stime));
+ }
+
+ rt_mutex_unlock(&uid_lock);
+ return 0;
+}
+
+static int uid_cputime_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, uid_cputime_show, PDE_DATA(inode));
+}
+
+static const struct proc_ops uid_cputime_fops = {
+ .proc_open = uid_cputime_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = single_release,
+};
+
+static int uid_remove_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, NULL, NULL);
+}
+
+static ssize_t uid_remove_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *ppos)
+{
+ struct uid_entry *uid_entry;
+ struct hlist_node *tmp;
+ char uids[128];
+ char *start_uid, *end_uid = NULL;
+ long int uid_start = 0, uid_end = 0;
+
+ if (count >= sizeof(uids))
+ count = sizeof(uids) - 1;
+
+ if (copy_from_user(uids, buffer, count))
+ return -EFAULT;
+
+ uids[count] = '\0';
+ end_uid = uids;
+ start_uid = strsep(&end_uid, "-");
+
+ if (!start_uid || !end_uid)
+ return -EINVAL;
+
+ if (kstrtol(start_uid, 10, &uid_start) != 0 ||
+ kstrtol(end_uid, 10, &uid_end) != 0) {
+ return -EINVAL;
+ }
+
+ rt_mutex_lock(&uid_lock);
+
+ for (; uid_start <= uid_end; uid_start++) {
+ hash_for_each_possible_safe(hash_table, uid_entry, tmp,
+ hash, (uid_t)uid_start) {
+ if (uid_start == uid_entry->uid) {
+ remove_uid_tasks(uid_entry);
+ hash_del(&uid_entry->hash);
+ kfree(uid_entry);
+ }
+ }
+ }
+
+ rt_mutex_unlock(&uid_lock);
+ return count;
+}
+
+static const struct proc_ops uid_remove_fops = {
+ .proc_open = uid_remove_open,
+ .proc_release = single_release,
+ .proc_write = uid_remove_write,
+};
+
+
+static void add_uid_io_stats(struct uid_entry *uid_entry,
+ struct task_struct *task, int slot)
+{
+ struct io_stats *io_slot = &uid_entry->io[slot];
+
+ /* avoid double accounting of dying threads */
+ if (slot != UID_STATE_DEAD_TASKS && (task->flags & PF_EXITING))
+ return;
+
+ io_slot->read_bytes += task->ioac.read_bytes;
+ io_slot->write_bytes += compute_write_bytes(task);
+ io_slot->rchar += task->ioac.rchar;
+ io_slot->wchar += task->ioac.wchar;
+ io_slot->fsync += task->ioac.syscfs;
+
+ add_uid_tasks_io_stats(uid_entry, task, slot);
+}
+
+static void update_io_stats_all_locked(void)
+{
+ struct uid_entry *uid_entry = NULL;
+ struct task_struct *task, *temp;
+ struct user_namespace *user_ns = current_user_ns();
+ unsigned long bkt;
+ uid_t uid;
+
+ hash_for_each(hash_table, bkt, uid_entry, hash) {
+ memset(&uid_entry->io[UID_STATE_TOTAL_CURR], 0,
+ sizeof(struct io_stats));
+ set_io_uid_tasks_zero(uid_entry);
+ }
+
+ rcu_read_lock();
+ do_each_thread(temp, task) {
+ uid = from_kuid_munged(user_ns, task_uid(task));
+ if (!uid_entry || uid_entry->uid != uid)
+ uid_entry = find_or_register_uid(uid);
+ if (!uid_entry)
+ continue;
+ add_uid_io_stats(uid_entry, task, UID_STATE_TOTAL_CURR);
+ } while_each_thread(temp, task);
+ rcu_read_unlock();
+
+ hash_for_each(hash_table, bkt, uid_entry, hash) {
+ compute_io_bucket_stats(&uid_entry->io[uid_entry->state],
+ &uid_entry->io[UID_STATE_TOTAL_CURR],
+ &uid_entry->io[UID_STATE_TOTAL_LAST],
+ &uid_entry->io[UID_STATE_DEAD_TASKS]);
+ compute_io_uid_tasks(uid_entry);
+ }
+}
+
+static void update_io_stats_uid_locked(struct uid_entry *uid_entry)
+{
+ struct task_struct *task, *temp;
+ struct user_namespace *user_ns = current_user_ns();
+
+ memset(&uid_entry->io[UID_STATE_TOTAL_CURR], 0,
+ sizeof(struct io_stats));
+ set_io_uid_tasks_zero(uid_entry);
+
+ rcu_read_lock();
+ do_each_thread(temp, task) {
+ if (from_kuid_munged(user_ns, task_uid(task)) != uid_entry->uid)
+ continue;
+ add_uid_io_stats(uid_entry, task, UID_STATE_TOTAL_CURR);
+ } while_each_thread(temp, task);
+ rcu_read_unlock();
+
+ compute_io_bucket_stats(&uid_entry->io[uid_entry->state],
+ &uid_entry->io[UID_STATE_TOTAL_CURR],
+ &uid_entry->io[UID_STATE_TOTAL_LAST],
+ &uid_entry->io[UID_STATE_DEAD_TASKS]);
+ compute_io_uid_tasks(uid_entry);
+}
+
+
+static int uid_io_show(struct seq_file *m, void *v)
+{
+ struct uid_entry *uid_entry;
+ unsigned long bkt;
+
+ rt_mutex_lock(&uid_lock);
+
+ update_io_stats_all_locked();
+
+ hash_for_each(hash_table, bkt, uid_entry, hash) {
+ seq_printf(m, "%d %llu %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
+ uid_entry->uid,
+ uid_entry->io[UID_STATE_FOREGROUND].rchar,
+ uid_entry->io[UID_STATE_FOREGROUND].wchar,
+ uid_entry->io[UID_STATE_FOREGROUND].read_bytes,
+ uid_entry->io[UID_STATE_FOREGROUND].write_bytes,
+ uid_entry->io[UID_STATE_BACKGROUND].rchar,
+ uid_entry->io[UID_STATE_BACKGROUND].wchar,
+ uid_entry->io[UID_STATE_BACKGROUND].read_bytes,
+ uid_entry->io[UID_STATE_BACKGROUND].write_bytes,
+ uid_entry->io[UID_STATE_FOREGROUND].fsync,
+ uid_entry->io[UID_STATE_BACKGROUND].fsync);
+
+ show_io_uid_tasks(m, uid_entry);
+ }
+
+ rt_mutex_unlock(&uid_lock);
+ return 0;
+}
+
+static int uid_io_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, uid_io_show, PDE_DATA(inode));
+}
+
+static const struct proc_ops uid_io_fops = {
+ .proc_open = uid_io_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = single_release,
+};
+
+static int uid_procstat_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, NULL, NULL);
+}
+
+static ssize_t uid_procstat_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *ppos)
+{
+ struct uid_entry *uid_entry;
+ uid_t uid;
+ int argc, state;
+ char input[128];
+
+ if (count >= sizeof(input))
+ return -EINVAL;
+
+ if (copy_from_user(input, buffer, count))
+ return -EFAULT;
+
+ input[count] = '\0';
+
+ argc = sscanf(input, "%u %d", &uid, &state);
+ if (argc != 2)
+ return -EINVAL;
+
+ if (state != UID_STATE_BACKGROUND && state != UID_STATE_FOREGROUND)
+ return -EINVAL;
+
+ rt_mutex_lock(&uid_lock);
+
+ uid_entry = find_or_register_uid(uid);
+ if (!uid_entry) {
+ rt_mutex_unlock(&uid_lock);
+ return -EINVAL;
+ }
+
+ if (uid_entry->state == state) {
+ rt_mutex_unlock(&uid_lock);
+ return count;
+ }
+
+ update_io_stats_uid_locked(uid_entry);
+
+ uid_entry->state = state;
+
+ rt_mutex_unlock(&uid_lock);
+
+ return count;
+}
+
+static const struct proc_ops uid_procstat_fops = {
+ .proc_open = uid_procstat_open,
+ .proc_release = single_release,
+ .proc_write = uid_procstat_write,
+};
+
+static int process_notifier(struct notifier_block *self,
+ unsigned long cmd, void *v)
+{
+ struct task_struct *task = v;
+ struct uid_entry *uid_entry;
+ u64 utime, stime;
+ uid_t uid;
+
+ if (!task)
+ return NOTIFY_OK;
+
+ rt_mutex_lock(&uid_lock);
+ uid = from_kuid_munged(current_user_ns(), task_uid(task));
+ uid_entry = find_or_register_uid(uid);
+ if (!uid_entry) {
+ pr_err("%s: failed to find uid %d\n", __func__, uid);
+ goto exit;
+ }
+
+ task_cputime_adjusted(task, &utime, &stime);
+ uid_entry->utime += utime;
+ uid_entry->stime += stime;
+
+ add_uid_io_stats(uid_entry, task, UID_STATE_DEAD_TASKS);
+
+exit:
+ rt_mutex_unlock(&uid_lock);
+ return NOTIFY_OK;
+}
+
+static struct notifier_block process_notifier_block = {
+ .notifier_call = process_notifier,
+};
+
+static int __init proc_uid_sys_stats_init(void)
+{
+ hash_init(hash_table);
+
+ cpu_parent = proc_mkdir("uid_cputime", NULL);
+ if (!cpu_parent) {
+ pr_err("%s: failed to create uid_cputime proc entry\n",
+ __func__);
+ goto err;
+ }
+
+ proc_create_data("remove_uid_range", 0222, cpu_parent,
+ &uid_remove_fops, NULL);
+ proc_create_data("show_uid_stat", 0444, cpu_parent,
+ &uid_cputime_fops, NULL);
+
+ io_parent = proc_mkdir("uid_io", NULL);
+ if (!io_parent) {
+ pr_err("%s: failed to create uid_io proc entry\n",
+ __func__);
+ goto err;
+ }
+
+ proc_create_data("stats", 0444, io_parent,
+ &uid_io_fops, NULL);
+
+ proc_parent = proc_mkdir("uid_procstat", NULL);
+ if (!proc_parent) {
+ pr_err("%s: failed to create uid_procstat proc entry\n",
+ __func__);
+ goto err;
+ }
+
+ proc_create_data("set", 0222, proc_parent,
+ &uid_procstat_fops, NULL);
+
+ profile_event_register(PROFILE_TASK_EXIT, &process_notifier_block);
+
+ return 0;
+
+err:
+ remove_proc_subtree("uid_cputime", NULL);
+ remove_proc_subtree("uid_io", NULL);
+ remove_proc_subtree("uid_procstat", NULL);
+ return -ENOMEM;
+}
+
+early_initcall(proc_uid_sys_stats_init);
diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig
index c12fe13..ae8b69a 100644
--- a/drivers/mmc/core/Kconfig
+++ b/drivers/mmc/core/Kconfig
@@ -81,3 +81,11 @@
This driver is only of interest to those developing or
testing a host driver. Most people should say N here.
+config MMC_CRYPTO
+ bool "MMC Crypto Engine Support"
+ depends on BLK_INLINE_ENCRYPTION
+ help
+ Enable Crypto Engine Support in MMC.
+ Enabling this makes it possible for the kernel to use the crypto
+ capabilities of the MMC device (if present) to perform crypto
+ operations on data being transferred to/from the device.
diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile
index 95ffe00..6a907736 100644
--- a/drivers/mmc/core/Makefile
+++ b/drivers/mmc/core/Makefile
@@ -18,3 +18,4 @@
mmc_block-objs := block.o queue.o
obj-$(CONFIG_MMC_TEST) += mmc_test.o
obj-$(CONFIG_SDIO_UART) += sdio_uart.o
+mmc_core-$(CONFIG_MMC_CRYPTO) += crypto.o
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 94caee4..74e34cd 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -47,10 +47,13 @@
#include <linux/uaccess.h>
+#include <trace/hooks/mmc_core.h>
+
#include "queue.h"
#include "block.h"
#include "core.h"
#include "card.h"
+#include "crypto.h"
#include "host.h"
#include "bus.h"
#include "mmc_ops.h"
@@ -961,6 +964,11 @@ static int mmc_blk_reset(struct mmc_blk_data *md, struct mmc_host *host,
struct mmc_blk_data *main_md =
dev_get_drvdata(&host->card->dev);
int part_err;
+ bool allow = true;
+
+ trace_android_vh_mmc_blk_reset(host, err, &allow);
+ if (!allow)
+ return -ENODEV;
main_md->part_curr = main_md->part_type;
part_err = mmc_blk_part_switch(host->card, md->part_type);
@@ -1266,6 +1274,8 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq,
memset(brq, 0, sizeof(struct mmc_blk_request));
+ mmc_crypto_prepare_req(mqrq);
+
brq->mrq.data = &brq->data;
brq->mrq.tag = req->tag;
@@ -1799,6 +1809,7 @@ static void mmc_blk_mq_rw_recovery(struct mmc_queue *mq, struct request *req)
err && mmc_blk_reset(md, card->host, type)) {
pr_err("%s: recovery failed!\n", req->rq_disk->disk_name);
mqrq->retries = MMC_NO_RETRIES;
+ trace_android_vh_mmc_blk_mq_rw_recovery(card);
return;
}
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index b5f3f16..1bfe089 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -37,6 +37,7 @@
#include "core.h"
#include "card.h"
+#include "crypto.h"
#include "bus.h"
#include "host.h"
#include "sdio_bus.h"
@@ -916,6 +917,7 @@ void mmc_set_clock(struct mmc_host *host, unsigned int hz)
host->ios.clock = hz;
mmc_set_ios(host);
}
+EXPORT_SYMBOL_GPL(mmc_set_clock);
int mmc_execute_tuning(struct mmc_card *card)
{
@@ -995,7 +997,10 @@ void mmc_set_initial_state(struct mmc_host *host)
host->ops->hs400_enhanced_strobe(host, &host->ios);
mmc_set_ios(host);
+
+ mmc_crypto_set_initial_state(host);
}
+EXPORT_SYMBOL_GPL(mmc_set_initial_state);
/**
* mmc_vdd_to_ocrbitnum - Convert a voltage to the OCR bit number
@@ -1259,6 +1264,7 @@ void mmc_set_timing(struct mmc_host *host, unsigned int timing)
host->ios.timing = timing;
mmc_set_ios(host);
}
+EXPORT_SYMBOL_GPL(mmc_set_timing);
/*
* Select appropriate driver type for host.
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index db3c9c6..5f442cf 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -30,6 +30,8 @@ struct mmc_bus_ops {
int (*hw_reset)(struct mmc_host *);
int (*sw_reset)(struct mmc_host *);
bool (*cache_enabled)(struct mmc_host *);
+
+ ANDROID_VENDOR_DATA_ARRAY(1, 2);
};
void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
@@ -41,7 +43,7 @@ struct device_node *mmc_of_find_child_device(struct mmc_host *host,
void mmc_init_erase(struct mmc_card *card);
void mmc_set_chip_select(struct mmc_host *host, int mode);
-void mmc_set_clock(struct mmc_host *host, unsigned int hz);
+extern void mmc_set_clock(struct mmc_host *host, unsigned int hz);
void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode);
void mmc_set_bus_width(struct mmc_host *host, unsigned int width);
u32 mmc_select_voltage(struct mmc_host *host, u32 ocr);
diff --git a/drivers/mmc/core/crypto.c b/drivers/mmc/core/crypto.c
new file mode 100644
index 0000000..6755780
--- /dev/null
+++ b/drivers/mmc/core/crypto.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * MMC crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <linux/blk-crypto.h>
+#include <linux/mmc/host.h>
+
+#include "core.h"
+#include "crypto.h"
+#include "queue.h"
+
+void mmc_crypto_set_initial_state(struct mmc_host *host)
+{
+ /* Reset might clear all keys, so reprogram all the keys. */
+ if (host->caps2 & MMC_CAP2_CRYPTO)
+ blk_ksm_reprogram_all_keys(&host->ksm);
+}
+
+void mmc_crypto_setup_queue(struct request_queue *q, struct mmc_host *host)
+{
+ if (host->caps2 & MMC_CAP2_CRYPTO)
+ blk_ksm_register(&host->ksm, q);
+}
+EXPORT_SYMBOL_GPL(mmc_crypto_setup_queue);
+
+void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
+{
+ struct request *req = mmc_queue_req_to_req(mqrq);
+ struct mmc_request *mrq = &mqrq->brq.mrq;
+
+ if (!req->crypt_ctx)
+ return;
+
+ mrq->crypto_ctx = req->crypt_ctx;
+ if (req->crypt_keyslot)
+ mrq->crypto_key_slot = blk_ksm_get_slot_idx(req->crypt_keyslot);
+}
+EXPORT_SYMBOL_GPL(mmc_crypto_prepare_req);
diff --git a/drivers/mmc/core/crypto.h b/drivers/mmc/core/crypto.h
new file mode 100644
index 0000000..fbe9a52
--- /dev/null
+++ b/drivers/mmc/core/crypto.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * MMC crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef _MMC_CORE_CRYPTO_H
+#define _MMC_CORE_CRYPTO_H
+
+struct mmc_host;
+struct mmc_queue_req;
+struct request_queue;
+
+#ifdef CONFIG_MMC_CRYPTO
+
+void mmc_crypto_set_initial_state(struct mmc_host *host);
+
+void mmc_crypto_setup_queue(struct request_queue *q, struct mmc_host *host);
+
+void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq);
+
+#else /* CONFIG_MMC_CRYPTO */
+
+static inline void mmc_crypto_set_initial_state(struct mmc_host *host)
+{
+}
+
+static inline void mmc_crypto_setup_queue(struct request_queue *q,
+ struct mmc_host *host)
+{
+}
+
+static inline void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
+{
+}
+
+#endif /* !CONFIG_MMC_CRYPTO */
+
+#endif /* _MMC_CORE_CRYPTO_H */
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 58112999..6a6e050 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -25,6 +25,7 @@
#include <linux/mmc/slot-gpio.h>
#include "core.h"
+#include "crypto.h"
#include "host.h"
#include "slot-gpio.h"
#include "pwrseq.h"
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 7494d59..aca62d7 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -972,7 +972,7 @@ static int mmc_select_powerclass(struct mmc_card *card)
/*
* Set the bus speed for the selected speed mode.
*/
-static void mmc_set_bus_speed(struct mmc_card *card)
+void mmc_set_bus_speed(struct mmc_card *card)
{
unsigned int max_dtr = (unsigned int)-1;
@@ -992,7 +992,7 @@ static void mmc_set_bus_speed(struct mmc_card *card)
* If the bus width is changed successfully, return the selected width value.
* Zero is returned instead of error value if the wide width is not supported.
*/
-static int mmc_select_bus_width(struct mmc_card *card)
+int mmc_select_bus_width(struct mmc_card *card)
{
static unsigned ext_csd_bits[] = {
EXT_CSD_BUS_WIDTH_8,
@@ -1057,11 +1057,12 @@ static int mmc_select_bus_width(struct mmc_card *card)
return err;
}
+EXPORT_SYMBOL_GPL(mmc_select_bus_width);
/*
* Switch to the high-speed mode
*/
-static int mmc_select_hs(struct mmc_card *card)
+int mmc_select_hs(struct mmc_card *card)
{
int err;
@@ -1075,11 +1076,12 @@ static int mmc_select_hs(struct mmc_card *card)
return err;
}
+EXPORT_SYMBOL_GPL(mmc_select_hs);
/*
* Activate wide bus and DDR if supported.
*/
-static int mmc_select_hs_ddr(struct mmc_card *card)
+int mmc_select_hs_ddr(struct mmc_card *card)
{
struct mmc_host *host = card->host;
u32 bus_width, ext_csd_bits;
@@ -1148,8 +1150,9 @@ static int mmc_select_hs_ddr(struct mmc_card *card)
return err;
}
+EXPORT_SYMBOL_GPL(mmc_select_hs_ddr);
-static int mmc_select_hs400(struct mmc_card *card)
+int mmc_select_hs400(struct mmc_card *card)
{
struct mmc_host *host = card->host;
unsigned int max_dtr;
@@ -1235,6 +1238,7 @@ static int mmc_select_hs400(struct mmc_card *card)
__func__, err);
return err;
}
+EXPORT_SYMBOL_GPL(mmc_select_hs400);
int mmc_hs200_to_hs400(struct mmc_card *card)
{
@@ -1505,7 +1509,7 @@ static int mmc_select_hs200(struct mmc_card *card)
/*
* Activate High Speed, HS200 or HS400ES mode if supported.
*/
-static int mmc_select_timing(struct mmc_card *card)
+int mmc_select_timing(struct mmc_card *card)
{
int err = 0;
@@ -1530,12 +1534,13 @@ static int mmc_select_timing(struct mmc_card *card)
mmc_set_bus_speed(card);
return 0;
}
+EXPORT_SYMBOL_GPL(mmc_select_timing);
/*
* Execute tuning sequence to seek the proper bus operating
* conditions for HS200 and HS400, which sends CMD21 to the device.
*/
-static int mmc_hs200_tuning(struct mmc_card *card)
+int mmc_hs200_tuning(struct mmc_card *card)
{
struct mmc_host *host = card->host;
@@ -1550,6 +1555,7 @@ static int mmc_hs200_tuning(struct mmc_card *card)
return mmc_execute_tuning(card);
}
+EXPORT_SYMBOL_GPL(mmc_hs200_tuning);
/*
* Handle the detection and initialisation of a card.
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 002426e..c817f6d 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -19,6 +19,7 @@
#include "block.h"
#include "core.h"
#include "card.h"
+#include "crypto.h"
#include "host.h"
#define MMC_DMA_MAP_MERGE_SEGMENTS 512
@@ -70,6 +71,7 @@ enum mmc_issue_type mmc_issue_type(struct mmc_queue *mq, struct request *req)
return MMC_ISSUE_SYNC;
}
+EXPORT_SYMBOL_GPL(mmc_issue_type);
static void __mmc_cqe_recovery_notifier(struct mmc_queue *mq)
{
@@ -407,6 +409,8 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
mutex_init(&mq->complete_lock);
init_waitqueue_head(&mq->wait);
+
+ mmc_crypto_setup_queue(mq->queue, host);
}
static inline bool mmc_merge_capable(struct mmc_host *host)
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index bac343a..2819e6b 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -18,6 +18,8 @@
#include <linux/mmc/mmc.h>
#include <linux/mmc/sd.h>
+#include <trace/hooks/mmc_core.h>
+
#include "core.h"
#include "card.h"
#include "host.h"
@@ -462,6 +464,8 @@ static void sd_update_bus_speed_mode(struct mmc_card *card)
SD_MODE_UHS_SDR12)) {
card->sd_bus_speed = UHS_SDR12_BUS_SPEED;
}
+
+ trace_android_vh_sd_update_bus_speed_mode(card);
}
static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status)
@@ -1405,5 +1409,7 @@ int mmc_attach_sd(struct mmc_host *host)
pr_err("%s: error %d whilst initialising SD card\n",
mmc_hostname(host), err);
+ trace_android_vh_mmc_attach_sd(host, ocr, err);
+
return err;
}
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 05e9074..298877a 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -14,6 +14,8 @@
#include <linux/module.h>
#include <linux/slab.h>
+#include <trace/hooks/mmc_core.h>
+
#include "slot-gpio.h"
struct mmc_gpio {
@@ -30,6 +32,11 @@ static irqreturn_t mmc_gpio_cd_irqt(int irq, void *dev_id)
/* Schedule a card detection after a debounce timeout */
struct mmc_host *host = dev_id;
struct mmc_gpio *ctx = host->slot.handler_priv;
+ bool allow = true;
+
+ trace_android_vh_mmc_gpio_cd_irqt(host, &allow);
+ if (!allow)
+ return IRQ_HANDLED;
host->trigger_card_event = true;
mmc_detect_change(host, msecs_to_jiffies(ctx->cd_debounce_delay_ms));
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 30ff42f..9daef02 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -544,6 +544,7 @@
depends on MMC_SDHCI_PLTFM
select MMC_SDHCI_IO_ACCESSORS
select MMC_CQHCI
+ select QCOM_SCM if MMC_CRYPTO && ARCH_QCOM
help
This selects the Secure Digital Host Controller Interface (SDHCI)
support present in Qualcomm SOCs. The controller supports
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 451c25f..3515850 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -104,6 +104,8 @@
obj-$(CONFIG_MMC_SDHCI_OMAP) += sdhci-omap.o
obj-$(CONFIG_MMC_SDHCI_SPRD) += sdhci-sprd.o
obj-$(CONFIG_MMC_CQHCI) += cqhci.o
+cqhci-y += cqhci-core.o
+cqhci-$(CONFIG_MMC_CRYPTO) += cqhci-crypto.o
obj-$(CONFIG_MMC_HSQ) += mmc_hsq.o
ifeq ($(CONFIG_CB710_DEBUG),y)
diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci-core.c
similarity index 93%
rename from drivers/mmc/host/cqhci.c
rename to drivers/mmc/host/cqhci-core.c
index 7ba4f71..e3d6de1 100644
--- a/drivers/mmc/host/cqhci.c
+++ b/drivers/mmc/host/cqhci-core.c
@@ -18,6 +18,7 @@
#include <linux/mmc/card.h>
#include "cqhci.h"
+#include "cqhci-crypto.h"
#define DCMD_SLOT 31
#define NUM_SLOTS 32
@@ -258,6 +259,9 @@ static void __cqhci_enable(struct cqhci_host *cq_host)
if (cq_host->caps & CQHCI_TASK_DESC_SZ_128)
cqcfg |= CQHCI_TASK_DESC_SZ;
+ if (mmc->caps2 & MMC_CAP2_CRYPTO)
+ cqcfg |= CQHCI_CRYPTO_GENERAL_ENABLE;
+
cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
cqhci_writel(cq_host, lower_32_bits(cq_host->desc_dma_base),
@@ -411,13 +415,15 @@ static void cqhci_disable(struct mmc_host *mmc)
}
static void cqhci_prep_task_desc(struct mmc_request *mrq,
- u64 *data, bool intr)
+ struct cqhci_host *cq_host, int tag)
{
+ __le64 *task_desc = (__le64 __force *)get_desc(cq_host, tag);
u32 req_flags = mrq->data->flags;
+ u64 desc0;
- *data = CQHCI_VALID(1) |
+ desc0 = CQHCI_VALID(1) |
CQHCI_END(1) |
- CQHCI_INT(intr) |
+ CQHCI_INT(1) |
CQHCI_ACT(0x5) |
CQHCI_FORCED_PROG(!!(req_flags & MMC_DATA_FORCED_PRG)) |
CQHCI_DATA_TAG(!!(req_flags & MMC_DATA_DAT_TAG)) |
@@ -428,8 +434,19 @@ static void cqhci_prep_task_desc(struct mmc_request *mrq,
CQHCI_BLK_COUNT(mrq->data->blocks) |
CQHCI_BLK_ADDR((u64)mrq->data->blk_addr);
- pr_debug("%s: cqhci: tag %d task descriptor 0x%016llx\n",
- mmc_hostname(mrq->host), mrq->tag, (unsigned long long)*data);
+ task_desc[0] = cpu_to_le64(desc0);
+
+ if (cq_host->caps & CQHCI_TASK_DESC_SZ_128) {
+ u64 desc1 = cqhci_crypto_prep_task_desc(mrq);
+
+ task_desc[1] = cpu_to_le64(desc1);
+
+ pr_debug("%s: cqhci: tag %d task descriptor 0x%016llx%016llx\n",
+ mmc_hostname(mrq->host), mrq->tag, desc1, desc0);
+ } else {
+ pr_debug("%s: cqhci: tag %d task descriptor 0x%016llx\n",
+ mmc_hostname(mrq->host), mrq->tag, desc0);
+ }
}
static int cqhci_dma_map(struct mmc_host *host, struct mmc_request *mrq)
@@ -570,8 +587,6 @@ static inline int cqhci_tag(struct mmc_request *mrq)
static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
{
int err = 0;
- u64 data = 0;
- u64 *task_desc = NULL;
int tag = cqhci_tag(mrq);
struct cqhci_host *cq_host = mmc->cqe_private;
unsigned long flags;
@@ -601,9 +616,8 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
}
if (mrq->data) {
- task_desc = (__le64 __force *)get_desc(cq_host, tag);
- cqhci_prep_task_desc(mrq, &data, 1);
- *task_desc = cpu_to_le64(data);
+ cqhci_prep_task_desc(mrq, cq_host, tag);
+
err = cqhci_prep_tran_desc(mrq, cq_host, tag);
if (err) {
pr_err("%s: cqhci: failed to setup tx desc: %d\n",
@@ -674,6 +688,7 @@ static void cqhci_error_irq(struct mmc_host *mmc, u32 status, int cmd_error,
struct cqhci_host *cq_host = mmc->cqe_private;
struct cqhci_slot *slot;
u32 terri;
+ u32 tdpe;
int tag;
spin_lock(&cq_host->lock);
@@ -712,6 +727,30 @@ static void cqhci_error_irq(struct mmc_host *mmc, u32 status, int cmd_error,
}
}
+ /*
+ * Handle ICCE ("Invalid Crypto Configuration Error"). This should
+ * never happen, since the block layer ensures that all crypto-enabled
+ * I/O requests have a valid keyslot before they reach the driver.
+ *
+ * Note that GCE ("General Crypto Error") is different; it already got
+ * handled above by checking TERRI.
+ */
+ if (status & CQHCI_IS_ICCE) {
+ tdpe = cqhci_readl(cq_host, CQHCI_TDPE);
+ WARN_ONCE(1,
+ "%s: cqhci: invalid crypto configuration error. IRQ status: 0x%08x TDPE: 0x%08x\n",
+ mmc_hostname(mmc), status, tdpe);
+ while (tdpe != 0) {
+ tag = __ffs(tdpe);
+ tdpe &= ~(1 << tag);
+ slot = &cq_host->slot[tag];
+ if (!slot->mrq)
+ continue;
+ slot->flags = cqhci_error_flags(data_error, cmd_error);
+ cqhci_recovery_needed(mmc, slot->mrq, true);
+ }
+ }
+
if (!cq_host->recovery_halt) {
/*
* The only way to guarantee forward progress is to mark at
@@ -777,7 +816,8 @@ irqreturn_t cqhci_irq(struct mmc_host *mmc, u32 intmask, int cmd_error,
pr_debug("%s: cqhci: IRQ status: 0x%08x\n", mmc_hostname(mmc), status);
- if ((status & CQHCI_IS_RED) || cmd_error || data_error)
+ if ((status & (CQHCI_IS_RED | CQHCI_IS_GCE | CQHCI_IS_ICCE)) ||
+ cmd_error || data_error)
cqhci_error_irq(mmc, status, cmd_error, data_error);
if (status & CQHCI_IS_TCC) {
@@ -1144,6 +1184,13 @@ int cqhci_init(struct cqhci_host *cq_host, struct mmc_host *mmc,
goto out_err;
}
+ err = cqhci_crypto_init(cq_host);
+ if (err) {
+ pr_err("%s: CQHCI crypto initialization failed\n",
+ mmc_hostname(mmc));
+ goto out_err;
+ }
+
spin_lock_init(&cq_host->lock);
init_completion(&cq_host->halt_comp);
diff --git a/drivers/mmc/host/cqhci-crypto.c b/drivers/mmc/host/cqhci-crypto.c
new file mode 100644
index 0000000..5698bc4
--- /dev/null
+++ b/drivers/mmc/host/cqhci-crypto.c
@@ -0,0 +1,244 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * CQHCI crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <linux/blk-crypto.h>
+#include <linux/keyslot-manager.h>
+#include <linux/mmc/host.h>
+
+#include "cqhci-crypto.h"
+
+/* Map from blk-crypto modes to CQHCI crypto algorithm IDs and key sizes */
+static const struct cqhci_crypto_alg_entry {
+ enum cqhci_crypto_alg alg;
+ enum cqhci_crypto_key_size key_size;
+} cqhci_crypto_algs[BLK_ENCRYPTION_MODE_MAX] = {
+ [BLK_ENCRYPTION_MODE_AES_256_XTS] = {
+ .alg = CQHCI_CRYPTO_ALG_AES_XTS,
+ .key_size = CQHCI_CRYPTO_KEY_SIZE_256,
+ },
+};
+
+static inline struct cqhci_host *
+cqhci_host_from_ksm(struct blk_keyslot_manager *ksm)
+{
+ struct mmc_host *mmc = container_of(ksm, struct mmc_host, ksm);
+
+ return mmc->cqe_private;
+}
+
+static int cqhci_crypto_program_key(struct cqhci_host *cq_host,
+ const union cqhci_crypto_cfg_entry *cfg,
+ int slot)
+{
+ u32 slot_offset = cq_host->crypto_cfg_register + slot * sizeof(*cfg);
+ int i;
+
+ if (cq_host->ops->program_key)
+ return cq_host->ops->program_key(cq_host, cfg, slot);
+
+ /* Clear CFGE */
+ cqhci_writel(cq_host, 0, slot_offset + 16 * sizeof(cfg->reg_val[0]));
+
+ /* Write the key */
+ for (i = 0; i < 16; i++) {
+ cqhci_writel(cq_host, le32_to_cpu(cfg->reg_val[i]),
+ slot_offset + i * sizeof(cfg->reg_val[0]));
+ }
+ /* Write dword 17 */
+ cqhci_writel(cq_host, le32_to_cpu(cfg->reg_val[17]),
+ slot_offset + 17 * sizeof(cfg->reg_val[0]));
+ /* Write dword 16, which includes the new value of CFGE */
+ cqhci_writel(cq_host, le32_to_cpu(cfg->reg_val[16]),
+ slot_offset + 16 * sizeof(cfg->reg_val[0]));
+ return 0;
+}
+
+static int cqhci_crypto_keyslot_program(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ unsigned int slot)
+
+{
+ struct cqhci_host *cq_host = cqhci_host_from_ksm(ksm);
+ const union cqhci_crypto_cap_entry *ccap_array =
+ cq_host->crypto_cap_array;
+ const struct cqhci_crypto_alg_entry *alg =
+ &cqhci_crypto_algs[key->crypto_cfg.crypto_mode];
+ u8 data_unit_mask = key->crypto_cfg.data_unit_size / 512;
+ int i;
+ int cap_idx = -1;
+ union cqhci_crypto_cfg_entry cfg = {};
+ int err;
+
+ BUILD_BUG_ON(CQHCI_CRYPTO_KEY_SIZE_INVALID != 0);
+ for (i = 0; i < cq_host->crypto_capabilities.num_crypto_cap; i++) {
+ if (ccap_array[i].algorithm_id == alg->alg &&
+ ccap_array[i].key_size == alg->key_size &&
+ (ccap_array[i].sdus_mask & data_unit_mask)) {
+ cap_idx = i;
+ break;
+ }
+ }
+ if (WARN_ON(cap_idx < 0))
+ return -EOPNOTSUPP;
+
+ cfg.data_unit_size = data_unit_mask;
+ cfg.crypto_cap_idx = cap_idx;
+ cfg.config_enable = CQHCI_CRYPTO_CONFIGURATION_ENABLE;
+
+ if (ccap_array[cap_idx].algorithm_id == CQHCI_CRYPTO_ALG_AES_XTS) {
+ /* In XTS mode, the blk_crypto_key's size is already doubled */
+ memcpy(cfg.crypto_key, key->raw, key->size/2);
+ memcpy(cfg.crypto_key + CQHCI_CRYPTO_KEY_MAX_SIZE/2,
+ key->raw + key->size/2, key->size/2);
+ } else {
+ memcpy(cfg.crypto_key, key->raw, key->size);
+ }
+
+ err = cqhci_crypto_program_key(cq_host, &cfg, slot);
+
+ memzero_explicit(&cfg, sizeof(cfg));
+ return err;
+}
+
+static int cqhci_crypto_clear_keyslot(struct cqhci_host *cq_host, int slot)
+{
+ /*
+ * Clear the crypto cfg on the device. Clearing CFGE
+ * might not be sufficient, so just clear the entire cfg.
+ */
+ union cqhci_crypto_cfg_entry cfg = {};
+
+ return cqhci_crypto_program_key(cq_host, &cfg, slot);
+}
+
+static int cqhci_crypto_keyslot_evict(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ unsigned int slot)
+{
+ struct cqhci_host *cq_host = cqhci_host_from_ksm(ksm);
+
+ return cqhci_crypto_clear_keyslot(cq_host, slot);
+}
+
+/*
+ * The keyslot management operations for CQHCI crypto.
+ *
+ * Note that the block layer ensures that these are never called while the host
+ * controller is runtime-suspended. However, the CQE won't necessarily be
+ * "enabled" when these are called, i.e. CQHCI_ENABLE might not be set in the
+ * CQHCI_CFG register. But the hardware allows that.
+ */
+static const struct blk_ksm_ll_ops cqhci_ksm_ops = {
+ .keyslot_program = cqhci_crypto_keyslot_program,
+ .keyslot_evict = cqhci_crypto_keyslot_evict,
+};
+
+static enum blk_crypto_mode_num
+cqhci_find_blk_crypto_mode(union cqhci_crypto_cap_entry cap)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cqhci_crypto_algs); i++) {
+ BUILD_BUG_ON(CQHCI_CRYPTO_KEY_SIZE_INVALID != 0);
+ if (cqhci_crypto_algs[i].alg == cap.algorithm_id &&
+ cqhci_crypto_algs[i].key_size == cap.key_size)
+ return i;
+ }
+ return BLK_ENCRYPTION_MODE_INVALID;
+}
+
+/**
+ * cqhci_crypto_init - initialize CQHCI crypto support
+ * @cq_host: a cqhci host
+ *
+ * If the driver previously set MMC_CAP2_CRYPTO and the CQE declares
+ * CQHCI_CAP_CS, initialize the crypto support. This involves reading the
+ * crypto capability registers, initializing the keyslot manager, clearing all
+ * keyslots, and enabling 128-bit task descriptors.
+ *
+ * Return: 0 if crypto was initialized or isn't supported; whether
+ * MMC_CAP2_CRYPTO remains set indicates which one of those cases it is.
+ * Also can return a negative errno value on unexpected error.
+ */
+int cqhci_crypto_init(struct cqhci_host *cq_host)
+{
+ struct mmc_host *mmc = cq_host->mmc;
+ struct device *dev = mmc_dev(mmc);
+ struct blk_keyslot_manager *ksm = &mmc->ksm;
+ unsigned int num_keyslots;
+ unsigned int cap_idx;
+ enum blk_crypto_mode_num blk_mode_num;
+ unsigned int slot;
+ int err = 0;
+
+ if (!(mmc->caps2 & MMC_CAP2_CRYPTO) ||
+ !(cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS))
+ goto out;
+
+ cq_host->crypto_capabilities.reg_val =
+ cpu_to_le32(cqhci_readl(cq_host, CQHCI_CCAP));
+
+ cq_host->crypto_cfg_register =
+ (u32)cq_host->crypto_capabilities.config_array_ptr * 0x100;
+
+ cq_host->crypto_cap_array =
+ devm_kcalloc(dev, cq_host->crypto_capabilities.num_crypto_cap,
+ sizeof(cq_host->crypto_cap_array[0]), GFP_KERNEL);
+ if (!cq_host->crypto_cap_array) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ /*
+ * CCAP.CFGC is off by one, so the actual number of crypto
+ * configurations (a.k.a. keyslots) is CCAP.CFGC + 1.
+ */
+ num_keyslots = cq_host->crypto_capabilities.config_count + 1;
+
+ err = devm_blk_ksm_init(dev, ksm, num_keyslots);
+ if (err)
+ goto out;
+
+ ksm->ksm_ll_ops = cqhci_ksm_ops;
+ ksm->dev = dev;
+
+ /* Unfortunately, CQHCI crypto only supports 32 DUN bits. */
+ ksm->max_dun_bytes_supported = 4;
+
+ ksm->features = BLK_CRYPTO_FEATURE_STANDARD_KEYS;
+
+ /*
+ * Cache all the crypto capabilities and advertise the supported crypto
+ * modes and data unit sizes to the block layer.
+ */
+ for (cap_idx = 0; cap_idx < cq_host->crypto_capabilities.num_crypto_cap;
+ cap_idx++) {
+ cq_host->crypto_cap_array[cap_idx].reg_val =
+ cpu_to_le32(cqhci_readl(cq_host,
+ CQHCI_CRYPTOCAP +
+ cap_idx * sizeof(__le32)));
+ blk_mode_num = cqhci_find_blk_crypto_mode(
+ cq_host->crypto_cap_array[cap_idx]);
+ if (blk_mode_num == BLK_ENCRYPTION_MODE_INVALID)
+ continue;
+ ksm->crypto_modes_supported[blk_mode_num] |=
+ cq_host->crypto_cap_array[cap_idx].sdus_mask * 512;
+ }
+
+ /* Clear all the keyslots so that we start in a known state. */
+ for (slot = 0; slot < num_keyslots; slot++)
+ cqhci_crypto_clear_keyslot(cq_host, slot);
+
+ /* CQHCI crypto requires the use of 128-bit task descriptors. */
+ cq_host->caps |= CQHCI_TASK_DESC_SZ_128;
+
+ return 0;
+
+out:
+ mmc->caps2 &= ~MMC_CAP2_CRYPTO;
+ return err;
+}
diff --git a/drivers/mmc/host/cqhci-crypto.h b/drivers/mmc/host/cqhci-crypto.h
new file mode 100644
index 0000000..d7fb084
--- /dev/null
+++ b/drivers/mmc/host/cqhci-crypto.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * CQHCI crypto engine (inline encryption) support
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef LINUX_MMC_CQHCI_CRYPTO_H
+#define LINUX_MMC_CQHCI_CRYPTO_H
+
+#include <linux/mmc/host.h>
+
+#include "cqhci.h"
+
+#ifdef CONFIG_MMC_CRYPTO
+
+int cqhci_crypto_init(struct cqhci_host *host);
+
+/*
+ * Returns the crypto bits that should be set in bits 64-127 of the
+ * task descriptor.
+ */
+static inline u64 cqhci_crypto_prep_task_desc(struct mmc_request *mrq)
+{
+ if (!mrq->crypto_ctx)
+ return 0;
+
+ /* We set max_dun_bytes_supported=4, so all DUNs should be 32-bit. */
+ WARN_ON_ONCE(mrq->crypto_ctx->bc_dun[0] > U32_MAX);
+
+ return CQHCI_CRYPTO_ENABLE_BIT |
+ CQHCI_CRYPTO_KEYSLOT(mrq->crypto_key_slot) |
+ mrq->crypto_ctx->bc_dun[0];
+}
+
+#else /* CONFIG_MMC_CRYPTO */
+
+static inline int cqhci_crypto_init(struct cqhci_host *host)
+{
+ return 0;
+}
+
+static inline u64 cqhci_crypto_prep_task_desc(struct mmc_request *mrq)
+{
+ return 0;
+}
+
+#endif /* !CONFIG_MMC_CRYPTO */
+
+#endif /* LINUX_MMC_CQHCI_CRYPTO_H */
diff --git a/drivers/mmc/host/cqhci.h b/drivers/mmc/host/cqhci.h
index 89bf6ad..ba9387e 100644
--- a/drivers/mmc/host/cqhci.h
+++ b/drivers/mmc/host/cqhci.h
@@ -22,10 +22,13 @@
/* capabilities */
#define CQHCI_CAP 0x04
+#define CQHCI_CAP_CS 0x10000000 /* Crypto Support */
+
/* configuration */
#define CQHCI_CFG 0x08
#define CQHCI_DCMD 0x00001000
#define CQHCI_TASK_DESC_SZ 0x00000100
+#define CQHCI_CRYPTO_GENERAL_ENABLE 0x00000002
#define CQHCI_ENABLE 0x00000001
/* control */
@@ -39,8 +42,11 @@
#define CQHCI_IS_TCC BIT(1)
#define CQHCI_IS_RED BIT(2)
#define CQHCI_IS_TCL BIT(3)
+#define CQHCI_IS_GCE BIT(4) /* General Crypto Error */
+#define CQHCI_IS_ICCE BIT(5) /* Invalid Crypto Config Error */
-#define CQHCI_IS_MASK (CQHCI_IS_TCC | CQHCI_IS_RED)
+#define CQHCI_IS_MASK (CQHCI_IS_TCC | CQHCI_IS_RED | \
+ CQHCI_IS_GCE | CQHCI_IS_ICCE)
/* interrupt status enable */
#define CQHCI_ISTE 0x14
@@ -78,6 +84,9 @@
/* task clear */
#define CQHCI_TCLR 0x38
+/* task descriptor processing error */
+#define CQHCI_TDPE 0x3c
+
/* send status config 1 */
#define CQHCI_SSC1 0x40
#define CQHCI_SSC1_CBC_MASK GENMASK(19, 16)
@@ -107,6 +116,10 @@
/* command response argument */
#define CQHCI_CRA 0x5C
+/* crypto capabilities */
+#define CQHCI_CCAP 0x100
+#define CQHCI_CRYPTOCAP 0x104
+
#define CQHCI_INT_ALL 0xF
#define CQHCI_IC_DEFAULT_ICCTH 31
#define CQHCI_IC_DEFAULT_ICTOVAL 1
@@ -133,11 +146,70 @@
#define CQHCI_CMD_TIMING(x) (((x) & 1) << 22)
#define CQHCI_RESP_TYPE(x) (((x) & 0x3) << 23)
+/* crypto task descriptor fields (for bits 64-127 of task descriptor) */
+#define CQHCI_CRYPTO_ENABLE_BIT (1ULL << 47)
+#define CQHCI_CRYPTO_KEYSLOT(x) ((u64)(x) << 32)
+
/* transfer descriptor fields */
#define CQHCI_DAT_LENGTH(x) (((x) & 0xFFFF) << 16)
#define CQHCI_DAT_ADDR_LO(x) (((x) & 0xFFFFFFFF) << 32)
#define CQHCI_DAT_ADDR_HI(x) (((x) & 0xFFFFFFFF) << 0)
+/* CCAP - Crypto Capability 100h */
+union cqhci_crypto_capabilities {
+ __le32 reg_val;
+ struct {
+ u8 num_crypto_cap;
+ u8 config_count;
+ u8 reserved;
+ u8 config_array_ptr;
+ };
+};
+
+enum cqhci_crypto_key_size {
+ CQHCI_CRYPTO_KEY_SIZE_INVALID = 0,
+ CQHCI_CRYPTO_KEY_SIZE_128 = 1,
+ CQHCI_CRYPTO_KEY_SIZE_192 = 2,
+ CQHCI_CRYPTO_KEY_SIZE_256 = 3,
+ CQHCI_CRYPTO_KEY_SIZE_512 = 4,
+};
+
+enum cqhci_crypto_alg {
+ CQHCI_CRYPTO_ALG_AES_XTS = 0,
+ CQHCI_CRYPTO_ALG_BITLOCKER_AES_CBC = 1,
+ CQHCI_CRYPTO_ALG_AES_ECB = 2,
+ CQHCI_CRYPTO_ALG_ESSIV_AES_CBC = 3,
+};
+
+/* x-CRYPTOCAP - Crypto Capability X */
+union cqhci_crypto_cap_entry {
+ __le32 reg_val;
+ struct {
+ u8 algorithm_id;
+ u8 sdus_mask; /* Supported data unit size mask */
+ u8 key_size;
+ u8 reserved;
+ };
+};
+
+#define CQHCI_CRYPTO_CONFIGURATION_ENABLE (1 << 7)
+#define CQHCI_CRYPTO_KEY_MAX_SIZE 64
+/* x-CRYPTOCFG - Crypto Configuration X */
+union cqhci_crypto_cfg_entry {
+ __le32 reg_val[32];
+ struct {
+ u8 crypto_key[CQHCI_CRYPTO_KEY_MAX_SIZE];
+ u8 data_unit_size;
+ u8 crypto_cap_idx;
+ u8 reserved_1;
+ u8 config_enable;
+ u8 reserved_multi_host;
+ u8 reserved_2;
+ u8 vsb[2];
+ u8 reserved_3[56];
+ };
+};
+
struct cqhci_host_ops;
struct mmc_host;
struct mmc_request;
@@ -196,6 +268,12 @@ struct cqhci_host {
struct completion halt_comp;
wait_queue_head_t wait_queue;
struct cqhci_slot *slot;
+
+#ifdef CONFIG_MMC_CRYPTO
+ union cqhci_crypto_capabilities crypto_capabilities;
+ union cqhci_crypto_cap_entry *crypto_cap_array;
+ u32 crypto_cfg_register;
+#endif
};
struct cqhci_host_ops {
@@ -208,6 +286,10 @@ struct cqhci_host_ops {
u64 *data);
void (*pre_enable)(struct mmc_host *mmc);
void (*post_disable)(struct mmc_host *mmc);
+#ifdef CONFIG_MMC_CRYPTO
+ int (*program_key)(struct cqhci_host *cq_host,
+ const union cqhci_crypto_cfg_entry *cfg, int slot);
+#endif
};
static inline void cqhci_writel(struct cqhci_host *host, u32 val, int reg)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 9bde0de..b5684e5 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -2203,7 +2203,7 @@ static int mmci_probe(struct amba_device *dev,
return ret;
}
-static int mmci_remove(struct amba_device *dev)
+static void mmci_remove(struct amba_device *dev)
{
struct mmc_host *mmc = amba_get_drvdata(dev);
@@ -2231,8 +2231,6 @@ static int mmci_remove(struct amba_device *dev)
clk_disable_unprepare(host->clk);
mmc_free_host(mmc);
}
-
- return 0;
}
#ifdef CONFIG_PM
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 588b9a5..bef081d 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -13,6 +13,7 @@
#include <linux/pm_opp.h>
#include <linux/slab.h>
#include <linux/iopoll.h>
+#include <linux/qcom_scm.h>
#include <linux/regulator/consumer.h>
#include <linux/interconnect.h>
#include <linux/pinctrl/consumer.h>
@@ -256,10 +257,12 @@ struct sdhci_msm_variant_info {
struct sdhci_msm_host {
struct platform_device *pdev;
void __iomem *core_mem; /* MSM SDCC mapped address */
+ void __iomem *ice_mem; /* MSM ICE mapped address (if available) */
int pwr_irq; /* power irq */
struct clk *bus_clk; /* SDHC bus voter clock */
struct clk *xo_clk; /* TCXO clk needed for FLL feature of cm_dll*/
- struct clk_bulk_data bulk_clks[4]; /* core, iface, cal, sleep clocks */
+ /* core, iface, cal, sleep, and ice clocks */
+ struct clk_bulk_data bulk_clks[5];
unsigned long clk_rate;
struct mmc_host *mmc;
struct opp_table *opp_table;
@@ -1787,6 +1790,246 @@ static void sdhci_msm_set_clock(struct sdhci_host *host, unsigned int clock)
/*****************************************************************************\
* *
+ * Inline Crypto Engine (ICE) support *
+ * *
+\*****************************************************************************/
+
+#ifdef CONFIG_MMC_CRYPTO
+
+#define AES_256_XTS_KEY_SIZE 64
+
+/* QCOM ICE registers */
+
+#define QCOM_ICE_REG_VERSION 0x0008
+
+#define QCOM_ICE_REG_FUSE_SETTING 0x0010
+#define QCOM_ICE_FUSE_SETTING_MASK 0x1
+#define QCOM_ICE_FORCE_HW_KEY0_SETTING_MASK 0x2
+#define QCOM_ICE_FORCE_HW_KEY1_SETTING_MASK 0x4
+
+#define QCOM_ICE_REG_BIST_STATUS 0x0070
+#define QCOM_ICE_BIST_STATUS_MASK 0xF0000000
+
+#define QCOM_ICE_REG_ADVANCED_CONTROL 0x1000
+
+#define sdhci_msm_ice_writel(host, val, reg) \
+ writel((val), (host)->ice_mem + (reg))
+#define sdhci_msm_ice_readl(host, reg) \
+ readl((host)->ice_mem + (reg))
+
+static bool sdhci_msm_ice_supported(struct sdhci_msm_host *msm_host)
+{
+ struct device *dev = mmc_dev(msm_host->mmc);
+ u32 regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_VERSION);
+ int major = regval >> 24;
+ int minor = (regval >> 16) & 0xFF;
+ int step = regval & 0xFFFF;
+
+ /* For now this driver only supports ICE version 3. */
+ if (major != 3) {
+ dev_warn(dev, "Unsupported ICE version: v%d.%d.%d\n",
+ major, minor, step);
+ return false;
+ }
+
+ dev_info(dev, "Found QC Inline Crypto Engine (ICE) v%d.%d.%d\n",
+ major, minor, step);
+
+ /* If fuses are blown, ICE might not work in the standard way. */
+ regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_FUSE_SETTING);
+ if (regval & (QCOM_ICE_FUSE_SETTING_MASK |
+ QCOM_ICE_FORCE_HW_KEY0_SETTING_MASK |
+ QCOM_ICE_FORCE_HW_KEY1_SETTING_MASK)) {
+ dev_warn(dev, "Fuses are blown; ICE is unusable!\n");
+ return false;
+ }
+ return true;
+}
+
+static inline struct clk *sdhci_msm_ice_get_clk(struct device *dev)
+{
+ return devm_clk_get(dev, "ice");
+}
+
+static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
+ struct cqhci_host *cq_host)
+{
+ struct mmc_host *mmc = msm_host->mmc;
+ struct device *dev = mmc_dev(mmc);
+ struct resource *res;
+ int err;
+
+ if (!(cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS))
+ return 0;
+
+ res = platform_get_resource_byname(msm_host->pdev, IORESOURCE_MEM,
+ "ice");
+ if (!res) {
+ dev_warn(dev, "ICE registers not found\n");
+ goto disable;
+ }
+
+ if (!qcom_scm_ice_available()) {
+ dev_warn(dev, "ICE SCM interface not found\n");
+ goto disable;
+ }
+
+ msm_host->ice_mem = devm_ioremap_resource(dev, res);
+ if (IS_ERR(msm_host->ice_mem)) {
+ err = PTR_ERR(msm_host->ice_mem);
+ dev_err(dev, "Failed to map ICE registers; err=%d\n", err);
+ return err;
+ }
+
+ if (!sdhci_msm_ice_supported(msm_host))
+ goto disable;
+
+ mmc->caps2 |= MMC_CAP2_CRYPTO;
+ return 0;
+
+disable:
+ dev_warn(dev, "Disabling inline encryption support\n");
+ return 0;
+}
+
+static void sdhci_msm_ice_low_power_mode_enable(struct sdhci_msm_host *msm_host)
+{
+ u32 regval;
+
+ regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_ADVANCED_CONTROL);
+ /*
+ * Enable low power mode sequence
+ * [0]-0, [1]-0, [2]-0, [3]-E, [4]-0, [5]-0, [6]-0, [7]-0
+ */
+ regval |= 0x7000;
+ sdhci_msm_ice_writel(msm_host, regval, QCOM_ICE_REG_ADVANCED_CONTROL);
+}
+
+static void sdhci_msm_ice_optimization_enable(struct sdhci_msm_host *msm_host)
+{
+ u32 regval;
+
+ /* ICE Optimizations Enable Sequence */
+ regval = sdhci_msm_ice_readl(msm_host, QCOM_ICE_REG_ADVANCED_CONTROL);
+ regval |= 0xD807100;
+ /* ICE HPG requires delay before writing */
+ udelay(5);
+ sdhci_msm_ice_writel(msm_host, regval, QCOM_ICE_REG_ADVANCED_CONTROL);
+ udelay(5);
+}
+
+/*
+ * Wait until the ICE BIST (built-in self-test) has completed.
+ *
+ * This may be necessary before ICE can be used.
+ *
+ * Note that we don't really care whether the BIST passed or failed; we really
+ * just want to make sure that it isn't still running. This is because (a) the
+ * BIST is a FIPS compliance thing that never fails in practice, (b) ICE is
+ * documented to reject crypto requests if the BIST fails, so we needn't do it
+ * in software too, and (c) properly testing storage encryption requires testing
+ * the full storage stack anyway, and not relying on hardware-level self-tests.
+ */
+static int sdhci_msm_ice_wait_bist_status(struct sdhci_msm_host *msm_host)
+{
+ u32 regval;
+ int err;
+
+ err = readl_poll_timeout(msm_host->ice_mem + QCOM_ICE_REG_BIST_STATUS,
+ regval, !(regval & QCOM_ICE_BIST_STATUS_MASK),
+ 50, 5000);
+ if (err)
+ dev_err(mmc_dev(msm_host->mmc),
+ "Timed out waiting for ICE self-test to complete\n");
+ return err;
+}
+
+static void sdhci_msm_ice_enable(struct sdhci_msm_host *msm_host)
+{
+ if (!(msm_host->mmc->caps2 & MMC_CAP2_CRYPTO))
+ return;
+ sdhci_msm_ice_low_power_mode_enable(msm_host);
+ sdhci_msm_ice_optimization_enable(msm_host);
+ sdhci_msm_ice_wait_bist_status(msm_host);
+}
+
+static int __maybe_unused sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host)
+{
+ if (!(msm_host->mmc->caps2 & MMC_CAP2_CRYPTO))
+ return 0;
+ return sdhci_msm_ice_wait_bist_status(msm_host);
+}
+
+/*
+ * Program a key into a QC ICE keyslot, or evict a keyslot. QC ICE requires
+ * vendor-specific SCM calls for this; it doesn't support the standard way.
+ */
+static int sdhci_msm_program_key(struct cqhci_host *cq_host,
+ const union cqhci_crypto_cfg_entry *cfg,
+ int slot)
+{
+ struct device *dev = mmc_dev(cq_host->mmc);
+ union cqhci_crypto_cap_entry cap;
+ union {
+ u8 bytes[AES_256_XTS_KEY_SIZE];
+ u32 words[AES_256_XTS_KEY_SIZE / sizeof(u32)];
+ } key;
+ int i;
+ int err;
+
+ if (!(cfg->config_enable & CQHCI_CRYPTO_CONFIGURATION_ENABLE))
+ return qcom_scm_ice_invalidate_key(slot);
+
+ /* Only AES-256-XTS has been tested so far. */
+ cap = cq_host->crypto_cap_array[cfg->crypto_cap_idx];
+ if (cap.algorithm_id != CQHCI_CRYPTO_ALG_AES_XTS ||
+ cap.key_size != CQHCI_CRYPTO_KEY_SIZE_256) {
+ dev_err_ratelimited(dev,
+ "Unhandled crypto capability; algorithm_id=%d, key_size=%d\n",
+ cap.algorithm_id, cap.key_size);
+ return -EINVAL;
+ }
+
+ memcpy(key.bytes, cfg->crypto_key, AES_256_XTS_KEY_SIZE);
+
+ /*
+ * The SCM call byte-swaps the 32-bit words of the key. So we have to
+ * do the same, in order for the final key be correct.
+ */
+ for (i = 0; i < ARRAY_SIZE(key.words); i++)
+ __cpu_to_be32s(&key.words[i]);
+
+ err = qcom_scm_ice_set_key(slot, key.bytes, AES_256_XTS_KEY_SIZE,
+ QCOM_SCM_ICE_CIPHER_AES_256_XTS,
+ cfg->data_unit_size);
+ memzero_explicit(&key, sizeof(key));
+ return err;
+}
+#else /* CONFIG_MMC_CRYPTO */
+static inline struct clk *sdhci_msm_ice_get_clk(struct device *dev)
+{
+ return NULL;
+}
+
+static inline int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
+ struct cqhci_host *cq_host)
+{
+ return 0;
+}
+
+static inline void sdhci_msm_ice_enable(struct sdhci_msm_host *msm_host)
+{
+}
+
+static inline int __maybe_unused
+sdhci_msm_ice_resume(struct sdhci_msm_host *msm_host)
+{
+ return 0;
+}
+#endif /* !CONFIG_MMC_CRYPTO */
+
+/*****************************************************************************\
+ * *
* MSM Command Queue Engine (CQE) *
* *
\*****************************************************************************/
@@ -1803,6 +2046,16 @@ static u32 sdhci_msm_cqe_irq(struct sdhci_host *host, u32 intmask)
return 0;
}
+static void sdhci_msm_cqe_enable(struct mmc_host *mmc)
+{
+ struct sdhci_host *host = mmc_priv(mmc);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
+
+ sdhci_cqe_enable(mmc);
+ sdhci_msm_ice_enable(msm_host);
+}
+
static void sdhci_msm_cqe_disable(struct mmc_host *mmc, bool recovery)
{
struct sdhci_host *host = mmc_priv(mmc);
@@ -1852,8 +2105,11 @@ static void sdhci_msm_set_timeout(struct sdhci_host *host, struct mmc_command *c
}
static const struct cqhci_host_ops sdhci_msm_cqhci_ops = {
- .enable = sdhci_cqe_enable,
+ .enable = sdhci_msm_cqe_enable,
.disable = sdhci_msm_cqe_disable,
+#ifdef CONFIG_MMC_CRYPTO
+ .program_key = sdhci_msm_program_key,
+#endif
};
static int sdhci_msm_cqe_add_host(struct sdhci_host *host,
@@ -1889,6 +2145,10 @@ static int sdhci_msm_cqe_add_host(struct sdhci_host *host,
dma64 = host->flags & SDHCI_USE_64_BIT_DMA;
+ ret = sdhci_msm_ice_init(msm_host, cq_host);
+ if (ret)
+ goto cleanup;
+
ret = cqhci_init(cq_host, host->mmc, dma64);
if (ret) {
dev_err(&pdev->dev, "%s: CQE init: failed (%d)\n",
@@ -2339,6 +2599,11 @@ static int sdhci_msm_probe(struct platform_device *pdev)
clk = NULL;
msm_host->bulk_clks[3].clk = clk;
+ clk = sdhci_msm_ice_get_clk(&pdev->dev);
+ if (IS_ERR(clk))
+ clk = NULL;
+ msm_host->bulk_clks[4].clk = clk;
+
ret = clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks),
msm_host->bulk_clks);
if (ret)
@@ -2549,12 +2814,15 @@ static __maybe_unused int sdhci_msm_runtime_resume(struct device *dev)
* Whenever core-clock is gated dynamically, it's needed to
* restore the SDR DLL settings when the clock is ungated.
*/
- if (msm_host->restore_dll_config && msm_host->clk_rate)
+ if (msm_host->restore_dll_config && msm_host->clk_rate) {
ret = sdhci_msm_restore_sdr_dll_config(host);
+ if (ret)
+ return ret;
+ }
dev_pm_opp_set_rate(dev, msm_host->clk_rate);
- return ret;
+ return sdhci_msm_ice_resume(msm_host);
}
static const struct dev_pm_ops sdhci_msm_pm_ops = {
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index d42e86c..1be23bd 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -33,6 +33,8 @@
#include <linux/mmc/sdio.h>
#include <linux/mmc/slot-gpio.h>
+#include <trace/hooks/mmc_core.h>
+
#include "sdhci.h"
#define DRIVER_NAME "sdhci"
@@ -772,19 +774,7 @@ static void sdhci_adma_table_pre(struct sdhci_host *host,
len -= offset;
}
- /*
- * The block layer forces a minimum segment size of PAGE_SIZE,
- * so 'len' can be too big here if PAGE_SIZE >= 64KiB. Write
- * multiple descriptors, noting that the ADMA table is sized
- * for 4KiB chunks anyway, so it will be big enough.
- */
- while (len > host->max_adma) {
- int n = 32 * 1024; /* 32KiB*/
-
- __sdhci_adma_write_desc(host, &desc, addr, n, ADMA2_TRAN_VALID);
- addr += n;
- len -= n;
- }
+ BUG_ON(len > 65536);
/* tran, valid */
if (len)
@@ -2418,6 +2408,7 @@ static int sdhci_get_cd(struct mmc_host *mmc)
{
struct sdhci_host *host = mmc_priv(mmc);
int gpio_cd = mmc_gpio_get_cd(mmc);
+ bool allow = true;
if (host->flags & SDHCI_DEVICE_DEAD)
return 0;
@@ -2426,6 +2417,10 @@ static int sdhci_get_cd(struct mmc_host *mmc)
if (!mmc_card_is_removable(host->mmc))
return 1;
+ trace_android_vh_sdhci_get_cd(host, &allow);
+ if (!allow)
+ return 0;
+
/*
* Try slot gpio detect, if defined it take precedence
* over build in controller functionality
@@ -3960,7 +3955,6 @@ struct sdhci_host *sdhci_alloc_host(struct device *dev,
* descriptor for each segment, plus 1 for a nop end descriptor.
*/
host->adma_table_cnt = SDHCI_MAX_SEGS * 2 + 1;
- host->max_adma = 65536;
return host;
}
@@ -4624,12 +4618,10 @@ int sdhci_setup_host(struct sdhci_host *host)
* be larger than 64 KiB though.
*/
if (host->flags & SDHCI_USE_ADMA) {
- if (host->quirks & SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC) {
- host->max_adma = 65532; /* 32-bit alignment */
+ if (host->quirks & SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC)
mmc->max_seg_size = 65535;
- } else {
+ else
mmc->max_seg_size = 65536;
- }
} else {
mmc->max_seg_size = mmc->max_req_size;
}
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 8b1650f..15ecf85 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -16,6 +16,7 @@
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/interrupt.h>
+#include <linux/android_kabi.h>
#include <linux/mmc/host.h>
@@ -338,8 +339,7 @@ struct sdhci_adma2_64_desc {
/*
* Maximum segments assuming a 512KiB maximum requisition size and a minimum
- * 4KiB page size. Note this also allows enough for multiple descriptors in
- * case of PAGE_SIZE >= 64KiB.
+ * 4KiB page size.
*/
#define SDHCI_MAX_SEGS 128
@@ -541,7 +541,6 @@ struct sdhci_host {
unsigned int blocks; /* remaining PIO blocks */
int sg_count; /* Mapped sg entries */
- int max_adma; /* Max. length in ADMA descriptor */
void *adma_table; /* ADMA descriptor table */
void *align_buffer; /* Bounce buffer */
@@ -608,6 +607,8 @@ struct sdhci_host {
u64 data_timeout;
+ ANDROID_KABI_RESERVE(1);
+
unsigned long private[] ____cacheline_aligned;
};
@@ -655,6 +656,8 @@ struct sdhci_ops {
void (*request_done)(struct sdhci_host *host,
struct mmc_request *mrq);
void (*dump_vendor_regs)(struct sdhci_host *host);
+
+ ANDROID_KABI_RESERVE(1);
};
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index cb865b7..5be850e 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -90,6 +90,7 @@
select CRYPTO_CHACHA20_NEON if ARM || (ARM64 && KERNEL_MODE_NEON)
select CRYPTO_POLY1305_NEON if ARM64 && KERNEL_MODE_NEON
select CRYPTO_POLY1305_ARM if ARM
+ select CRYPTO_BLAKE2S_ARM if ARM
select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON
select CRYPTO_CHACHA_MIPS if CPU_MIPS32_R2
select CRYPTO_POLY1305_MIPS if MIPS
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/Kconfig b/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
index bc06e83..521955e 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
+++ b/drivers/net/ethernet/chelsio/inline_crypto/Kconfig
@@ -42,6 +42,7 @@
depends on CHELSIO_T4
depends on TLS
depends on TLS_DEVICE
+ select CRYPTO_LIB_AES
help
This flag enables support for kernel tls offload over Chelsio T6
crypto accelerator. CONFIG_CHELSIO_TLS_DEVICE flag can be enabled
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
index f935382..5aad7b1 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
@@ -9,6 +9,7 @@
#include <linux/ip.h>
#include <net/ipv6.h>
#include <linux/netdevice.h>
+#include <crypto/aes.h>
#include "chcr_ktls.h"
static LIST_HEAD(uld_ctx_list);
@@ -75,7 +76,7 @@ static int chcr_ktls_save_keys(struct chcr_ktls_info *tx_info,
unsigned char ghash_h[TLS_CIPHER_AES_GCM_256_TAG_SIZE];
struct tls12_crypto_info_aes_gcm_128 *info_128_gcm;
struct ktls_key_ctx *kctx = &tx_info->key_ctx;
- struct crypto_cipher *cipher;
+ struct crypto_aes_ctx aes_ctx;
unsigned char *key, *salt;
switch (crypto_info->cipher_type) {
@@ -136,18 +137,14 @@ static int chcr_ktls_save_keys(struct chcr_ktls_info *tx_info,
/* Calculate the H = CIPH(K, 0 repeated 16 times).
* It will go in key context
*/
- cipher = crypto_alloc_cipher("aes", 0, 0);
- if (IS_ERR(cipher)) {
- ret = -ENOMEM;
- goto out;
- }
- ret = crypto_cipher_setkey(cipher, key, keylen);
+ ret = aes_expandkey(&aes_ctx, key, keylen);
if (ret)
- goto out1;
+ goto out;
memset(ghash_h, 0, ghash_size);
- crypto_cipher_encrypt_one(cipher, ghash_h, ghash_h);
+ aes_encrypt(&aes_ctx, ghash_h, ghash_h);
+ memzero_explicit(&aes_ctx, sizeof(aes_ctx));
/* fill the Key context */
if (direction == TLS_OFFLOAD_CTX_DIR_TX) {
@@ -156,7 +153,7 @@ static int chcr_ktls_save_keys(struct chcr_ktls_info *tx_info,
key_ctx_size >> 4);
} else {
ret = -EINVAL;
- goto out1;
+ goto out;
}
memcpy(kctx->salt, salt, tx_info->salt_size);
@@ -164,8 +161,6 @@ static int chcr_ktls_save_keys(struct chcr_ktls_info *tx_info,
memcpy(kctx->key + keylen, ghash_h, ghash_size);
tx_info->key_ctx_len = key_ctx_size;
-out1:
- crypto_free_cipher(cipher);
out:
return ret;
}
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
index d6b6ebb..a262c94 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c
@@ -870,7 +870,7 @@ static void do_abort_syn_rcv(struct sock *child, struct sock *parent)
* created only after 3 way handshake is done.
*/
sock_orphan(child);
- INC_ORPHAN_COUNT(child);
+ percpu_counter_inc((child)->sk_prot->orphan_count);
chtls_release_resources(child);
chtls_conn_done(child);
} else {
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.h b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.h
index f61ca65..b1161bd 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.h
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.h
@@ -95,7 +95,7 @@ struct deferred_skb_cb {
#define WSCALE_OK(tp) ((tp)->rx_opt.wscale_ok)
#define TSTAMP_OK(tp) ((tp)->rx_opt.tstamp_ok)
#define SACK_OK(tp) ((tp)->rx_opt.sack_ok)
-#define INC_ORPHAN_COUNT(sk) this_cpu_inc(*(sk)->sk_prot->orphan_count)
+#define INC_ORPHAN_COUNT(sk) percpu_counter_inc((sk)->sk_prot->orphan_count)
/* TLS SKB */
#define skb_ulp_tls_inline(skb) (ULP_SKB_CB(skb)->ulp.tls.ofld)
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 04c4f15..016d058 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1827,15 +1827,6 @@ cdc_ncm_speed_change(struct usbnet *dev,
uint32_t rx_speed = le32_to_cpu(data->DLBitRRate);
uint32_t tx_speed = le32_to_cpu(data->ULBitRate);
- /* if the speed hasn't changed, don't report it.
- * RTL8156 shipped before 2021 sends notification about every 32ms.
- */
- if (dev->rx_speed == rx_speed && dev->tx_speed == tx_speed)
- return;
-
- dev->rx_speed = rx_speed;
- dev->tx_speed = tx_speed;
-
/*
* Currently the USB-NET API does not support reporting the actual
* device speed. Do print it instead.
@@ -1876,8 +1867,7 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb)
* USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be
* sent by device after USB_CDC_NOTIFY_SPEED_CHANGE.
*/
- if (netif_carrier_ok(dev->net) != !!event->wValue)
- usbnet_link_change(dev, !!event->wValue, 0);
+ usbnet_link_change(dev, !!event->wValue, 0);
break;
case USB_CDC_NOTIFY_SPEED_CHANGE:
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index cbe47ee..1888876 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2597,6 +2597,9 @@ static int virtnet_set_features(struct net_device *dev,
u64 offloads;
int err;
+ if (!vi->has_cvq)
+ return 0;
+
if ((dev->features ^ features) & NETIF_F_GRO_HW) {
if (vi->xdp_enabled)
return -EBUSY;
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index b793d61..e265f4c 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -65,6 +65,10 @@ static bool support_p2p_device = true;
module_param(support_p2p_device, bool, 0444);
MODULE_PARM_DESC(support_p2p_device, "Support P2P-Device interface type");
+static ushort mac_prefix;
+module_param(mac_prefix, ushort, 0444);
+MODULE_PARM_DESC(mac_prefix, "Second and third most significant octets in MAC");
+
/**
* enum hwsim_regtest - the type of regulatory tests we offer
*
@@ -3020,6 +3024,8 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
if (!param->perm_addr) {
eth_zero_addr(addr);
addr[0] = 0x02;
+ addr[1] = (mac_prefix >> 8) & 0xFF;
+ addr[2] = mac_prefix & 0xFF;
addr[3] = idx >> 8;
addr[4] = idx;
memcpy(data->addresses[0].addr, addr, ETH_ALEN);
diff --git a/drivers/net/wireless/virt_wifi.c b/drivers/net/wireless/virt_wifi.c
index 514f2c1..3cfd990 100644
--- a/drivers/net/wireless/virt_wifi.c
+++ b/drivers/net/wireless/virt_wifi.c
@@ -14,6 +14,7 @@
#include <linux/etherdevice.h>
#include <linux/math64.h>
#include <linux/module.h>
+#include <net/virt_wifi.h>
static struct wiphy *common_wiphy;
@@ -21,6 +22,7 @@ struct virt_wifi_wiphy_priv {
struct delayed_work scan_result;
struct cfg80211_scan_request *scan_request;
bool being_deleted;
+ struct virt_wifi_network_simulation *network_simulation;
};
static struct ieee80211_channel channel_2ghz = {
@@ -172,6 +174,9 @@ static int virt_wifi_scan(struct wiphy *wiphy,
priv->scan_request = request;
schedule_delayed_work(&priv->scan_result, HZ * 2);
+ if (priv->network_simulation &&
+ priv->network_simulation->notify_scan_trigger)
+ priv->network_simulation->notify_scan_trigger(wiphy, request);
return 0;
}
@@ -187,6 +192,12 @@ static void virt_wifi_scan_result(struct work_struct *work)
virt_wifi_inform_bss(wiphy);
+ if(priv->network_simulation &&
+ priv->network_simulation->generate_virt_scan_result) {
+ if(priv->network_simulation->generate_virt_scan_result(wiphy))
+ wiphy_err(wiphy, "Fail to generater the simulated scan result.\n");
+ }
+
/* Schedules work which acquires and releases the rtnl lock. */
cfg80211_scan_done(priv->scan_request, &scan_info);
priv->scan_request = NULL;
@@ -378,6 +389,8 @@ static struct wiphy *virt_wifi_make_wiphy(void)
priv = wiphy_priv(wiphy);
priv->being_deleted = false;
priv->scan_request = NULL;
+ priv->network_simulation = NULL;
+
INIT_DELAYED_WORK(&priv->scan_result, virt_wifi_scan_result);
err = wiphy_register(wiphy);
@@ -393,7 +406,6 @@ static struct wiphy *virt_wifi_make_wiphy(void)
static void virt_wifi_destroy_wiphy(struct wiphy *wiphy)
{
struct virt_wifi_wiphy_priv *priv;
-
WARN(!wiphy, "%s called with null wiphy", __func__);
if (!wiphy)
return;
@@ -427,8 +439,13 @@ static netdev_tx_t virt_wifi_start_xmit(struct sk_buff *skb,
static int virt_wifi_net_device_open(struct net_device *dev)
{
struct virt_wifi_netdev_priv *priv = netdev_priv(dev);
-
+ struct virt_wifi_wiphy_priv *w_priv;
priv->is_up = true;
+ w_priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
+ if(w_priv->network_simulation &&
+ w_priv->network_simulation->notify_device_open)
+ w_priv->network_simulation->notify_device_open(dev);
+
return 0;
}
@@ -436,16 +453,22 @@ static int virt_wifi_net_device_open(struct net_device *dev)
static int virt_wifi_net_device_stop(struct net_device *dev)
{
struct virt_wifi_netdev_priv *n_priv = netdev_priv(dev);
+ struct virt_wifi_wiphy_priv *w_priv;
n_priv->is_up = false;
if (!dev->ieee80211_ptr)
return 0;
+ w_priv = wiphy_priv(dev->ieee80211_ptr->wiphy);
virt_wifi_cancel_scan(dev->ieee80211_ptr->wiphy);
virt_wifi_cancel_connect(dev);
netif_carrier_off(dev);
+ if (w_priv->network_simulation &&
+ w_priv->network_simulation->notify_device_stop)
+ w_priv->network_simulation->notify_device_stop(dev);
+
return 0;
}
@@ -688,6 +711,27 @@ static void __exit virt_wifi_cleanup_module(void)
unregister_netdevice_notifier(&virt_wifi_notifier);
}
+int virt_wifi_register_network_simulation
+ (struct virt_wifi_network_simulation *ops)
+{
+ struct virt_wifi_wiphy_priv *priv = wiphy_priv(common_wiphy);
+ if (priv->network_simulation)
+ return -EEXIST;
+ priv->network_simulation = ops;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(virt_wifi_register_network_simulation);
+
+int virt_wifi_unregister_network_simulation(void)
+{
+ struct virt_wifi_wiphy_priv *priv = wiphy_priv(common_wiphy);
+ if(!priv->network_simulation)
+ return -ENODATA;
+ priv->network_simulation = NULL;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(virt_wifi_unregister_network_simulation);
+
module_init(virt_wifi_init_module);
module_exit(virt_wifi_cleanup_module);
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 161a236..5947d92 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1817,6 +1817,7 @@ int of_add_property(struct device_node *np, struct property *prop)
return rc;
}
+EXPORT_SYMBOL_GPL(of_add_property);
int __of_remove_property(struct device_node *np, struct property *prop)
{
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index fe64430..9a824de 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -356,6 +356,7 @@ void of_node_release(struct kobject *kobj)
property_list_free(node->properties);
property_list_free(node->deadprops);
+ fwnode_links_purge(of_fwnode_handle(node));
kfree(node->full_name);
kfree(node->data);
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 57ff31b..74d2bd7 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -1036,43 +1036,67 @@ int __init early_init_dt_scan_memory(unsigned long node, const char *uname,
return 0;
}
+/*
+ * Convert configs to something easy to use in C code
+ */
+#if defined(CONFIG_CMDLINE_FORCE)
+static const int overwrite_incoming_cmdline = 1;
+static const int read_dt_cmdline;
+static const int concat_cmdline;
+#elif defined(CONFIG_CMDLINE_EXTEND)
+static const int overwrite_incoming_cmdline;
+static const int read_dt_cmdline = 1;
+static const int concat_cmdline = 1;
+#else /* CMDLINE_FROM_BOOTLOADER */
+static const int overwrite_incoming_cmdline;
+static const int read_dt_cmdline = 1;
+static const int concat_cmdline;
+#endif
+
+#ifdef CONFIG_CMDLINE
+static const char *config_cmdline = CONFIG_CMDLINE;
+#else
+static const char *config_cmdline = "";
+#endif
+
int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
int depth, void *data)
{
- int l;
- const char *p;
+ int l = 0;
+ const char *p = NULL;
const void *rng_seed;
+ char *cmdline = data;
pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
- if (depth != 1 || !data ||
+ if (depth != 1 || !cmdline ||
(strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
return 0;
early_init_dt_check_for_initrd(node);
- /* Retrieve command line */
- p = of_get_flat_dt_prop(node, "bootargs", &l);
- if (p != NULL && l > 0)
- strlcpy(data, p, min(l, COMMAND_LINE_SIZE));
+ /* Put CONFIG_CMDLINE in if forced or if data had nothing in it to start */
+ if (overwrite_incoming_cmdline || !cmdline[0])
+ strlcpy(cmdline, config_cmdline, COMMAND_LINE_SIZE);
- /*
- * CONFIG_CMDLINE is meant to be a default in case nothing else
- * managed to set the command line, unless CONFIG_CMDLINE_FORCE
- * is set in which case we override whatever was found earlier.
- */
-#ifdef CONFIG_CMDLINE
-#if defined(CONFIG_CMDLINE_EXTEND)
- strlcat(data, " ", COMMAND_LINE_SIZE);
- strlcat(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#elif defined(CONFIG_CMDLINE_FORCE)
- strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#else
- /* No arguments from boot loader, use kernel's cmdl*/
- if (!((char *)data)[0])
- strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#endif
-#endif /* CONFIG_CMDLINE */
+ /* Retrieve command line unless forcing */
+ if (read_dt_cmdline)
+ p = of_get_flat_dt_prop(node, "bootargs", &l);
+
+ if (p != NULL && l > 0) {
+ if (concat_cmdline) {
+ int cmdline_len;
+ int copy_len;
+ strlcat(cmdline, " ", COMMAND_LINE_SIZE);
+ cmdline_len = strlen(cmdline);
+ copy_len = COMMAND_LINE_SIZE - cmdline_len - 1;
+ copy_len = min((int)l, copy_len);
+ strncpy(cmdline + cmdline_len, p, copy_len);
+ cmdline[cmdline_len + copy_len] = '\0';
+ } else {
+ strlcpy(cmdline, p, min(l, COMMAND_LINE_SIZE));
+ }
+ }
pr_debug("Command line is: %s\n", (char *)data);
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index b557a0fc..79bd5f5 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -538,9 +538,7 @@ static int __init of_platform_default_populate_init(void)
}
/* Populate everything else. */
- fw_devlink_pause();
of_platform_default_populate(NULL, NULL, NULL);
- fw_devlink_resume();
return 0;
}
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 1d7d24e..78427c8 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -24,6 +24,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
+#include <linux/of_irq.h>
#include <linux/string.h>
#include <linux/moduleparam.h>
@@ -1038,33 +1039,9 @@ static bool of_is_ancestor_of(struct device_node *test_ancestor,
}
/**
- * of_get_next_parent_dev - Add device link to supplier from supplier phandle
- * @np: device tree node
- *
- * Given a device tree node (@np), this function finds its closest ancestor
- * device tree node that has a corresponding struct device.
- *
- * The caller of this function is expected to call put_device() on the returned
- * device when they are done.
- */
-static struct device *of_get_next_parent_dev(struct device_node *np)
-{
- struct device *dev = NULL;
-
- of_node_get(np);
- do {
- np = of_get_next_parent(np);
- if (np)
- dev = get_dev_from_fwnode(&np->fwnode);
- } while (np && !dev);
- of_node_put(np);
- return dev;
-}
-
-/**
- * of_link_to_phandle - Add device link to supplier from supplier phandle
- * @dev: consumer device
- * @sup_np: phandle to supplier device tree node
+ * of_link_to_phandle - Add fwnode link to supplier from supplier phandle
+ * @con_np: consumer device tree node
+ * @sup_np: supplier device tree node
*
* Given a phandle to a supplier device tree node (@sup_np), this function
* finds the device that owns the supplier device tree node and creates a
@@ -1074,16 +1051,14 @@ static struct device *of_get_next_parent_dev(struct device_node *np)
* cases, it returns an error.
*
* Returns:
- * - 0 if link successfully created to supplier
- * - -EAGAIN if linking to the supplier should be reattempted
+ * - 0 if fwnode link successfully created to supplier
* - -EINVAL if the supplier link is invalid and should not be created
- * - -ENODEV if there is no device that corresponds to the supplier phandle
+ * - -ENODEV if struct device will never be create for supplier
*/
-static int of_link_to_phandle(struct device *dev, struct device_node *sup_np,
- u32 dl_flags)
+static int of_link_to_phandle(struct device_node *con_np,
+ struct device_node *sup_np)
{
- struct device *sup_dev, *sup_par_dev;
- int ret = 0;
+ struct device *sup_dev;
struct device_node *tmp_np = sup_np;
of_node_get(sup_np);
@@ -1106,7 +1081,8 @@ static int of_link_to_phandle(struct device *dev, struct device_node *sup_np,
}
if (!sup_np) {
- dev_dbg(dev, "Not linking to %pOFP - No device\n", tmp_np);
+ pr_debug("Not linking %pOFP to %pOFP - No device\n",
+ con_np, tmp_np);
return -ENODEV;
}
@@ -1115,53 +1091,32 @@ static int of_link_to_phandle(struct device *dev, struct device_node *sup_np,
* descendant nodes. By definition, a child node can't be a functional
* dependency for the parent node.
*/
- if (of_is_ancestor_of(dev->of_node, sup_np)) {
- dev_dbg(dev, "Not linking to %pOFP - is descendant\n", sup_np);
+ if (of_is_ancestor_of(con_np, sup_np)) {
+ pr_debug("Not linking %pOFP to %pOFP - is descendant\n",
+ con_np, sup_np);
of_node_put(sup_np);
return -EINVAL;
}
+
+ /*
+ * Don't create links to "early devices" that won't have struct devices
+ * created for them.
+ */
sup_dev = get_dev_from_fwnode(&sup_np->fwnode);
- if (!sup_dev && of_node_check_flag(sup_np, OF_POPULATED)) {
- /* Early device without struct device. */
- dev_dbg(dev, "Not linking to %pOFP - No struct device\n",
- sup_np);
+ if (!sup_dev &&
+ (of_node_check_flag(sup_np, OF_POPULATED) ||
+ sup_np->fwnode.flags & FWNODE_FLAG_NOT_DEVICE)) {
+ pr_debug("Not linking %pOFP to %pOFP - No struct device\n",
+ con_np, sup_np);
of_node_put(sup_np);
return -ENODEV;
- } else if (!sup_dev) {
- /*
- * DL_FLAG_SYNC_STATE_ONLY doesn't block probing and supports
- * cycles. So cycle detection isn't necessary and shouldn't be
- * done.
- */
- if (dl_flags & DL_FLAG_SYNC_STATE_ONLY) {
- of_node_put(sup_np);
- return -EAGAIN;
- }
-
- sup_par_dev = of_get_next_parent_dev(sup_np);
-
- if (sup_par_dev && device_is_dependent(dev, sup_par_dev)) {
- /* Cyclic dependency detected, don't try to link */
- dev_dbg(dev, "Not linking to %pOFP - cycle detected\n",
- sup_np);
- ret = -EINVAL;
- } else {
- /*
- * Can't check for cycles or no cycles. So let's try
- * again later.
- */
- ret = -EAGAIN;
- }
-
- of_node_put(sup_np);
- put_device(sup_par_dev);
- return ret;
}
- of_node_put(sup_np);
- if (!device_link_add(dev, sup_dev, dl_flags))
- ret = -EINVAL;
put_device(sup_dev);
- return ret;
+
+ fwnode_link_add(of_fwnode_handle(con_np), of_fwnode_handle(sup_np));
+ of_node_put(sup_np);
+
+ return 0;
}
/**
@@ -1280,6 +1235,7 @@ static struct device_node *parse_##fname(struct device_node *np, \
struct supplier_bindings {
struct device_node *(*parse_prop)(struct device_node *np,
const char *prop_name, int index);
+ bool optional;
};
DEFINE_SIMPLE_PROP(clocks, "clocks", "#clock-cells")
@@ -1292,8 +1248,6 @@ DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
DEFINE_SIMPLE_PROP(hwlocks, "hwlocks", "#hwlock-cells")
DEFINE_SIMPLE_PROP(extcon, "extcon", NULL)
-DEFINE_SIMPLE_PROP(interrupts_extended, "interrupts-extended",
- "#interrupt-cells")
DEFINE_SIMPLE_PROP(nvmem_cells, "nvmem-cells", NULL)
DEFINE_SIMPLE_PROP(phys, "phys", "#phy-cells")
DEFINE_SIMPLE_PROP(wakeup_parent, "wakeup-parent", NULL)
@@ -1328,19 +1282,55 @@ static struct device_node *parse_iommu_maps(struct device_node *np,
return of_parse_phandle(np, prop_name, (index * 4) + 1);
}
+static struct device_node *parse_gpio_compat(struct device_node *np,
+ const char *prop_name, int index)
+{
+ struct of_phandle_args sup_args;
+
+ if (strcmp(prop_name, "gpio") && strcmp(prop_name, "gpios"))
+ return NULL;
+
+ /*
+ * Ignore node with gpio-hog property since its gpios are all provided
+ * by its parent.
+ */
+ if (of_find_property(np, "gpio-hog", NULL))
+ return NULL;
+
+ if (of_parse_phandle_with_args(np, prop_name, "#gpio-cells", index,
+ &sup_args))
+ return NULL;
+
+ return sup_args.np;
+}
+
+static struct device_node *parse_interrupts(struct device_node *np,
+ const char *prop_name, int index)
+{
+ struct of_phandle_args sup_args;
+
+ if (!IS_ENABLED(CONFIG_OF_IRQ) || IS_ENABLED(CONFIG_PPC))
+ return NULL;
+
+ if (strcmp(prop_name, "interrupts") &&
+ strcmp(prop_name, "interrupts-extended"))
+ return NULL;
+
+ return of_irq_parse_one(np, index, &sup_args) ? NULL : sup_args.np;
+}
+
static const struct supplier_bindings of_supplier_bindings[] = {
{ .parse_prop = parse_clocks, },
{ .parse_prop = parse_interconnects, },
- { .parse_prop = parse_iommus, },
- { .parse_prop = parse_iommu_maps, },
+ { .parse_prop = parse_iommus, .optional = true, },
+ { .parse_prop = parse_iommu_maps, .optional = true, },
{ .parse_prop = parse_mboxes, },
{ .parse_prop = parse_io_channels, },
{ .parse_prop = parse_interrupt_parent, },
- { .parse_prop = parse_dmas, },
+ { .parse_prop = parse_dmas, .optional = true, },
{ .parse_prop = parse_power_domains, },
{ .parse_prop = parse_hwlocks, },
{ .parse_prop = parse_extcon, },
- { .parse_prop = parse_interrupts_extended, },
{ .parse_prop = parse_nvmem_cells, },
{ .parse_prop = parse_phys, },
{ .parse_prop = parse_wakeup_parent, },
@@ -1353,6 +1343,8 @@ static const struct supplier_bindings of_supplier_bindings[] = {
{ .parse_prop = parse_pinctrl6, },
{ .parse_prop = parse_pinctrl7, },
{ .parse_prop = parse_pinctrl8, },
+ { .parse_prop = parse_gpio_compat, },
+ { .parse_prop = parse_interrupts, },
{ .parse_prop = parse_regulators, },
{ .parse_prop = parse_gpio, },
{ .parse_prop = parse_gpios, },
@@ -1370,37 +1362,34 @@ static const struct supplier_bindings of_supplier_bindings[] = {
* that list phandles to suppliers. If @prop_name isn't one, this function
* doesn't do anything.
*
- * If @prop_name is one, this function attempts to create device links from the
- * consumer device @dev to all the devices of the suppliers listed in
- * @prop_name.
+ * If @prop_name is one, this function attempts to create fwnode links from the
+ * consumer device tree node @con_np to all the suppliers device tree nodes
+ * listed in @prop_name.
*
- * Any failed attempt to create a device link will NOT result in an immediate
+ * Any failed attempt to create a fwnode link will NOT result in an immediate
* return. of_link_property() must create links to all the available supplier
- * devices even when attempts to create a link to one or more suppliers fail.
+ * device tree nodes even when attempts to create a link to one or more
+ * suppliers fail.
*/
-static int of_link_property(struct device *dev, struct device_node *con_np,
- const char *prop_name)
+static int of_link_property(struct device_node *con_np, const char *prop_name)
{
struct device_node *phandle;
const struct supplier_bindings *s = of_supplier_bindings;
unsigned int i = 0;
bool matched = false;
int ret = 0;
- u32 dl_flags;
-
- if (dev->of_node == con_np)
- dl_flags = fw_devlink_get_flags();
- else
- dl_flags = DL_FLAG_SYNC_STATE_ONLY;
/* Do not stop at first failed link, link all available suppliers. */
while (!matched && s->parse_prop) {
+ if (s->optional && !fw_devlink_is_strict()) {
+ s++;
+ continue;
+ }
+
while ((phandle = s->parse_prop(con_np, prop_name, i))) {
matched = true;
i++;
- if (of_link_to_phandle(dev, phandle, dl_flags)
- == -EAGAIN)
- ret = -EAGAIN;
+ of_link_to_phandle(con_np, phandle);
of_node_put(phandle);
}
s++;
@@ -1408,31 +1397,18 @@ static int of_link_property(struct device *dev, struct device_node *con_np,
return ret;
}
-static int of_link_to_suppliers(struct device *dev,
- struct device_node *con_np)
+static int of_fwnode_add_links(struct fwnode_handle *fwnode)
{
- struct device_node *child;
struct property *p;
- int ret = 0;
+ struct device_node *con_np = to_of_node(fwnode);
+
+ if (!con_np)
+ return -EINVAL;
for_each_property_of_node(con_np, p)
- if (of_link_property(dev, con_np, p->name))
- ret = -ENODEV;
+ of_link_property(con_np, p->name);
- for_each_available_child_of_node(con_np, child)
- if (of_link_to_suppliers(dev, child) && !ret)
- ret = -EAGAIN;
-
- return ret;
-}
-
-static int of_fwnode_add_links(const struct fwnode_handle *fwnode,
- struct device *dev)
-{
- if (unlikely(!is_of_node(fwnode)))
- return 0;
-
- return of_link_to_suppliers(dev, to_of_node(fwnode));
+ return 0;
}
const struct fwnode_operations of_fwnode_ops = {
diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 5de46aa..4468623 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -1328,7 +1328,7 @@ int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus)
goto failed;
}
- ret = em_dev_register_perf_domain(dev, nr_opp, &em_cb, cpus);
+ ret = em_dev_register_perf_domain(dev, nr_opp, &em_cb, cpus, true);
if (ret)
goto failed;
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index fb96d37..a40ed9e1 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -345,8 +345,7 @@ static int cdns_pcie_host_bar_config(struct cdns_pcie_rc *rc,
return 0;
}
-static int cdns_pcie_host_dma_ranges_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int cdns_pcie_host_dma_ranges_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct resource_entry *entry1, *entry2;
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index ad7da4e..dde9d6f 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -123,6 +123,7 @@ static u8 dw_pcie_ep_find_capability(struct dw_pcie_ep *ep, u8 func_no, u8 cap)
return __dw_pcie_ep_find_next_cap(ep, func_no, next_cap_ptr, cap);
}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_reset_bar);
static int dw_pcie_ep_write_header(struct pci_epc *epc, u8 func_no,
struct pci_epf_header *hdr)
@@ -485,6 +486,7 @@ int dw_pcie_ep_raise_legacy_irq(struct dw_pcie_ep *ep, u8 func_no)
return -EINVAL;
}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_raise_legacy_irq);
int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
u8 interrupt_num)
@@ -536,6 +538,7 @@ int dw_pcie_ep_raise_msi_irq(struct dw_pcie_ep *ep, u8 func_no,
return 0;
}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_raise_msi_irq);
int dw_pcie_ep_raise_msix_irq_doorbell(struct dw_pcie_ep *ep, u8 func_no,
u16 interrupt_num)
@@ -604,6 +607,7 @@ int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no,
return 0;
}
+EXPORT_SYMBOL_GPL(dw_pcie_ep_raise_msix_irq);
void dw_pcie_ep_exit(struct dw_pcie_ep *ep)
{
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 44c2a65..72a7637 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -84,6 +84,7 @@ irqreturn_t dw_handle_msi_irq(struct pcie_port *pp)
return ret;
}
+EXPORT_SYMBOL_GPL(dw_handle_msi_irq);
/* Chained MSI interrupt service routine */
static void dw_chained_msi_isr(struct irq_desc *desc)
diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c
index c2dea8f..c85e128 100644
--- a/drivers/pci/controller/dwc/pcie-designware.c
+++ b/drivers/pci/controller/dwc/pcie-designware.c
@@ -486,6 +486,7 @@ int dw_pcie_link_up(struct dw_pcie *pci)
return ((val & PCIE_PORT_DEBUG1_LINK_UP) &&
(!(val & PCIE_PORT_DEBUG1_LINK_IN_TRAINING)));
}
+EXPORT_SYMBOL_GPL(dw_pcie_link_up);
void dw_pcie_upconfig_setup(struct dw_pcie *pci)
{
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index db7475d..fbc6525 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -171,25 +171,24 @@ static inline __attribute_const__ u32 msi_mask(unsigned x)
* reliably as devices without an INTx disable bit will then generate a
* level IRQ which will never be cleared.
*/
-void __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
+u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
{
- raw_spinlock_t *lock = &desc->dev->msi_lock;
- unsigned long flags;
+ u32 mask_bits = desc->masked;
if (pci_msi_ignore_mask || !desc->msi_attrib.maskbit)
- return;
+ return 0;
- raw_spin_lock_irqsave(lock, flags);
- desc->masked &= ~mask;
- desc->masked |= flag;
+ mask_bits &= ~mask;
+ mask_bits |= flag;
pci_write_config_dword(msi_desc_to_pci_dev(desc), desc->mask_pos,
- desc->masked);
- raw_spin_unlock_irqrestore(lock, flags);
+ mask_bits);
+
+ return mask_bits;
}
static void msi_mask_irq(struct msi_desc *desc, u32 mask, u32 flag)
{
- __pci_msi_desc_mask_irq(desc, mask, flag);
+ desc->masked = __pci_msi_desc_mask_irq(desc, mask, flag);
}
static void __iomem *pci_msix_desc_addr(struct msi_desc *desc)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 0d71090..9028493 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -31,6 +31,9 @@
#include <linux/vmalloc.h>
#include <asm/dma.h>
#include <linux/aer.h>
+#ifndef __GENKSYMS__
+#include <trace/hooks/pci.h>
+#endif
#include "pci.h"
DEFINE_MUTEX(pci_slot_mutex);
@@ -64,12 +67,16 @@ struct pci_pme_device {
static void pci_dev_d3_sleep(struct pci_dev *dev)
{
unsigned int delay = dev->d3hot_delay;
+ int err = -EOPNOTSUPP;
if (delay < pci_pm_d3hot_delay)
delay = pci_pm_d3hot_delay;
- if (delay)
- msleep(delay);
+ if (delay) {
+ trace_android_rvh_pci_d3_sleep(dev, delay, &err);
+ if (err == -EOPNOTSUPP)
+ msleep(delay);
+ }
}
#ifdef CONFIG_PCI_DOMAINS
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a96dc6f..197075f 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -3,6 +3,7 @@
#define DRIVERS_PCI_H
#include <linux/pci.h>
+#include <linux/android_kabi.h>
/* Number of possible devfns: 0.0 to 1f.7 inclusive */
#define MAX_NR_DEVFNS 256
@@ -343,6 +344,11 @@ struct pci_sriov {
u16 subsystem_device; /* VF subsystem device */
resource_size_t barsz[PCI_SRIOV_NUM_BARS]; /* VF BAR size */
bool drivers_autoprobe; /* Auto probing of VFs by driver */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/**
diff --git a/drivers/pinctrl/meson/Kconfig b/drivers/pinctrl/meson/Kconfig
index 3cb1191..b2855e3 100644
--- a/drivers/pinctrl/meson/Kconfig
+++ b/drivers/pinctrl/meson/Kconfig
@@ -1,8 +1,9 @@
# SPDX-License-Identifier: GPL-2.0-only
menuconfig PINCTRL_MESON
- bool "Amlogic SoC pinctrl drivers"
+ tristate "Amlogic SoC pinctrl drivers"
depends on ARCH_MESON
depends on OF
+ default y
select PINMUX
select PINCONF
select GENERIC_PINCONF
@@ -25,37 +26,37 @@
default y
config PINCTRL_MESON_GXBB
- bool "Meson gxbb SoC pinctrl driver"
+ tristate "Meson gxbb SoC pinctrl driver"
depends on ARM64
select PINCTRL_MESON8_PMX
default y
config PINCTRL_MESON_GXL
- bool "Meson gxl SoC pinctrl driver"
+ tristate "Meson gxl SoC pinctrl driver"
depends on ARM64
select PINCTRL_MESON8_PMX
default y
config PINCTRL_MESON8_PMX
- bool
+ tristate
config PINCTRL_MESON_AXG
- bool "Meson axg Soc pinctrl driver"
+ tristate "Meson axg Soc pinctrl driver"
depends on ARM64
select PINCTRL_MESON_AXG_PMX
default y
config PINCTRL_MESON_AXG_PMX
- bool
+ tristate
config PINCTRL_MESON_G12A
- bool "Meson g12a Soc pinctrl driver"
+ tristate "Meson g12a Soc pinctrl driver"
depends on ARM64
select PINCTRL_MESON_AXG_PMX
default y
config PINCTRL_MESON_A1
- bool "Meson a1 Soc pinctrl driver"
+ tristate "Meson a1 Soc pinctrl driver"
depends on ARM64
select PINCTRL_MESON_AXG_PMX
default y
diff --git a/drivers/pinctrl/meson/pinctrl-meson-a1.c b/drivers/pinctrl/meson/pinctrl-meson-a1.c
index 8abf750..79f5d75 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-a1.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-a1.c
@@ -925,6 +925,7 @@ static const struct of_device_id meson_a1_pinctrl_dt_match[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(of, meson_a1_pinctrl_dt_match);
static struct platform_driver meson_a1_pinctrl_driver = {
.probe = meson_pinctrl_probe,
@@ -934,4 +935,5 @@ static struct platform_driver meson_a1_pinctrl_driver = {
},
};
-builtin_platform_driver(meson_a1_pinctrl_driver);
+module_platform_driver(meson_a1_pinctrl_driver);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c b/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c
index e8931d9..80c4368 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c
@@ -116,3 +116,6 @@ const struct pinmux_ops meson_axg_pmx_ops = {
.get_function_groups = meson_pmx_get_groups,
.gpio_request_enable = meson_axg_pmx_request_gpio,
};
+EXPORT_SYMBOL_GPL(meson_axg_pmx_ops);
+
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-axg.c b/drivers/pinctrl/meson/pinctrl-meson-axg.c
index 072765d..7bfecdf 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-axg.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-axg.c
@@ -1080,6 +1080,7 @@ static const struct of_device_id meson_axg_pinctrl_dt_match[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(of, meson_axg_pinctrl_dt_match);
static struct platform_driver meson_axg_pinctrl_driver = {
.probe = meson_pinctrl_probe,
@@ -1089,4 +1090,5 @@ static struct platform_driver meson_axg_pinctrl_driver = {
},
};
-builtin_platform_driver(meson_axg_pinctrl_driver);
+module_platform_driver(meson_axg_pinctrl_driver);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-g12a.c b/drivers/pinctrl/meson/pinctrl-meson-g12a.c
index 41850e3..cd9656b 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-g12a.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-g12a.c
@@ -1410,6 +1410,7 @@ static const struct of_device_id meson_g12a_pinctrl_dt_match[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(of, meson_g12a_pinctrl_dt_match);
static struct platform_driver meson_g12a_pinctrl_driver = {
.probe = meson_pinctrl_probe,
@@ -1419,4 +1420,5 @@ static struct platform_driver meson_g12a_pinctrl_driver = {
},
};
-builtin_platform_driver(meson_g12a_pinctrl_driver);
+module_platform_driver(meson_g12a_pinctrl_driver);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
index d130c63..f51fc39 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c
@@ -900,6 +900,7 @@ static const struct of_device_id meson_gxbb_pinctrl_dt_match[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(of, meson_gxbb_pinctrl_dt_match);
static struct platform_driver meson_gxbb_pinctrl_driver = {
.probe = meson_pinctrl_probe,
@@ -908,4 +909,5 @@ static struct platform_driver meson_gxbb_pinctrl_driver = {
.of_match_table = meson_gxbb_pinctrl_dt_match,
},
};
-builtin_platform_driver(meson_gxbb_pinctrl_driver);
+module_platform_driver(meson_gxbb_pinctrl_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxl.c b/drivers/pinctrl/meson/pinctrl-meson-gxl.c
index 32552d7..5140899 100644
--- a/drivers/pinctrl/meson/pinctrl-meson-gxl.c
+++ b/drivers/pinctrl/meson/pinctrl-meson-gxl.c
@@ -861,6 +861,7 @@ static const struct of_device_id meson_gxl_pinctrl_dt_match[] = {
},
{ },
};
+MODULE_DEVICE_TABLE(of, meson_gxl_pinctrl_dt_match);
static struct platform_driver meson_gxl_pinctrl_driver = {
.probe = meson_pinctrl_probe,
@@ -869,4 +870,5 @@ static struct platform_driver meson_gxl_pinctrl_driver = {
.of_match_table = meson_gxl_pinctrl_dt_match,
},
};
-builtin_platform_driver(meson_gxl_pinctrl_driver);
+module_platform_driver(meson_gxl_pinctrl_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index 20683cd..4985144 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c
@@ -152,6 +152,7 @@ int meson_pmx_get_funcs_count(struct pinctrl_dev *pcdev)
return pc->data->num_funcs;
}
+EXPORT_SYMBOL_GPL(meson_pmx_get_funcs_count);
const char *meson_pmx_get_func_name(struct pinctrl_dev *pcdev,
unsigned selector)
@@ -160,6 +161,7 @@ const char *meson_pmx_get_func_name(struct pinctrl_dev *pcdev,
return pc->data->funcs[selector].name;
}
+EXPORT_SYMBOL_GPL(meson_pmx_get_func_name);
int meson_pmx_get_groups(struct pinctrl_dev *pcdev, unsigned selector,
const char * const **groups,
@@ -172,6 +174,7 @@ int meson_pmx_get_groups(struct pinctrl_dev *pcdev, unsigned selector,
return 0;
}
+EXPORT_SYMBOL_GPL(meson_pmx_get_groups);
static int meson_pinconf_set_gpio_bit(struct meson_pinctrl *pc,
unsigned int pin,
@@ -723,6 +726,7 @@ int meson8_aobus_parse_dt_extra(struct meson_pinctrl *pc)
return 0;
}
+EXPORT_SYMBOL_GPL(meson8_aobus_parse_dt_extra);
int meson_a1_parse_dt_extra(struct meson_pinctrl *pc)
{
@@ -732,6 +736,7 @@ int meson_a1_parse_dt_extra(struct meson_pinctrl *pc)
return 0;
}
+EXPORT_SYMBOL_GPL(meson_a1_parse_dt_extra);
int meson_pinctrl_probe(struct platform_device *pdev)
{
@@ -766,3 +771,6 @@ int meson_pinctrl_probe(struct platform_device *pdev)
return meson_gpiolib_register(pc);
}
+EXPORT_SYMBOL_GPL(meson_pinctrl_probe);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h
index f8b0ff9..ff5372e 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.h
+++ b/drivers/pinctrl/meson/pinctrl-meson.h
@@ -10,6 +10,7 @@
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/types.h>
+#include <linux/module.h>
struct meson_pinctrl;
diff --git a/drivers/pinctrl/meson/pinctrl-meson8-pmx.c b/drivers/pinctrl/meson/pinctrl-meson8-pmx.c
index 66a908f..f767b69 100644
--- a/drivers/pinctrl/meson/pinctrl-meson8-pmx.c
+++ b/drivers/pinctrl/meson/pinctrl-meson8-pmx.c
@@ -100,3 +100,5 @@ const struct pinmux_ops meson8_pmx_ops = {
.get_function_groups = meson_pmx_get_groups,
.gpio_request_enable = meson8_pmx_request_gpio,
};
+EXPORT_SYMBOL_GPL(meson8_pmx_ops);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 5fe7b8a..416bd51 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -2,7 +2,7 @@
if (ARCH_QCOM || COMPILE_TEST)
config PINCTRL_MSM
- bool
+ tristate
select PINMUX
select PINCONF
select GENERIC_PINCONF
@@ -13,6 +13,7 @@
config PINCTRL_APQ8064
tristate "Qualcomm APQ8064 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -21,6 +22,7 @@
config PINCTRL_APQ8084
tristate "Qualcomm APQ8084 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -29,6 +31,7 @@
config PINCTRL_IPQ4019
tristate "Qualcomm IPQ4019 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -37,6 +40,7 @@
config PINCTRL_IPQ8064
tristate "Qualcomm IPQ8064 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -45,6 +49,7 @@
config PINCTRL_IPQ8074
tristate "Qualcomm Technologies, Inc. IPQ8074 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -55,6 +60,7 @@
config PINCTRL_IPQ6018
tristate "Qualcomm Technologies, Inc. IPQ6018 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -74,6 +80,7 @@
config PINCTRL_MSM8660
tristate "Qualcomm 8660 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -82,6 +89,7 @@
config PINCTRL_MSM8960
tristate "Qualcomm 8960 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -90,6 +98,7 @@
config PINCTRL_MDM9615
tristate "Qualcomm 9615 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -98,6 +107,7 @@
config PINCTRL_MSM8X74
tristate "Qualcomm 8x74 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -106,6 +116,7 @@
config PINCTRL_MSM8916
tristate "Qualcomm 8916 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -114,6 +125,7 @@
config PINCTRL_MSM8976
tristate "Qualcomm 8976 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -124,6 +136,7 @@
config PINCTRL_MSM8994
tristate "Qualcomm 8994 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -133,6 +146,7 @@
config PINCTRL_MSM8996
tristate "Qualcomm MSM8996 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -141,6 +155,7 @@
config PINCTRL_MSM8998
tristate "Qualcomm MSM8998 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -149,6 +164,7 @@
config PINCTRL_QCS404
tristate "Qualcomm QCS404 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -157,6 +173,7 @@
config PINCTRL_QDF2XXX
tristate "Qualcomm Technologies QDF2xxx pin controller driver"
depends on GPIOLIB && ACPI
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the GPIO driver for the TLMM block found on the
@@ -194,6 +211,7 @@
config PINCTRL_SC7180
tristate "Qualcomm Technologies Inc SC7180 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -203,6 +221,7 @@
config PINCTRL_SDM660
tristate "Qualcomm Technologies Inc SDM660 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -212,6 +231,7 @@
config PINCTRL_SDM845
tristate "Qualcomm Technologies Inc SDM845 pin controller driver"
depends on GPIOLIB && (OF || ACPI)
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -221,6 +241,7 @@
config PINCTRL_SM8150
tristate "Qualcomm Technologies Inc SM8150 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -230,6 +251,7 @@
config PINCTRL_SM8250
tristate "Qualcomm Technologies Inc SM8250 pin controller driver"
depends on GPIOLIB && OF
+ depends on QCOM_SCM || !QCOM_SCM
select PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 37526aa..a3cef80 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -1473,3 +1473,6 @@ int msm_pinctrl_remove(struct platform_device *pdev)
}
EXPORT_SYMBOL(msm_pinctrl_remove);
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. pinctrl-msm driver");
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 036d54d..f0cf5e7 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -438,8 +438,7 @@ static int cros_typec_enable_tbt(struct cros_typec_data *typec,
if (pd_ctrl->control_flags & USB_PD_CTRL_ACTIVE_LINK_UNIDIR)
data.cable_mode |= TBT_CABLE_LINK_TRAINING;
- if (pd_ctrl->cable_gen)
- data.cable_mode |= TBT_CABLE_ROUNDED;
+ data.cable_mode |= TBT_SET_CABLE_ROUNDED(pd_ctrl->cable_gen);
/* Enter Mode VDO */
data.enter_vdo = TBT_SET_CABLE_SPEED(pd_ctrl->cable_speed);
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 38e3aa64..668369b 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -32,6 +32,13 @@ EXPORT_SYMBOL_GPL(power_supply_notifier);
static struct device_type power_supply_dev_type;
+struct match_device_node_array_param {
+ struct device_node *parent_of_node;
+ struct power_supply **psy;
+ ssize_t psy_size;
+ ssize_t psy_count;
+};
+
#define POWER_SUPPLY_DEFERRED_REGISTER_TIME msecs_to_jiffies(10)
static bool __power_supply_is_supplied_by(struct power_supply *supplier,
@@ -522,6 +529,77 @@ struct power_supply *power_supply_get_by_phandle(struct device_node *np,
}
EXPORT_SYMBOL_GPL(power_supply_get_by_phandle);
+static int power_supply_match_device_node_array(struct device *dev,
+ void *data)
+{
+ struct match_device_node_array_param *param =
+ (struct match_device_node_array_param *)data;
+ struct power_supply **psy = param->psy;
+ ssize_t size = param->psy_size;
+ ssize_t *count = ¶m->psy_count;
+
+ if (!dev->parent || dev->parent->of_node != param->parent_of_node)
+ return 0;
+
+ if (*count >= size)
+ return -EOVERFLOW;
+
+ psy[*count] = dev_get_drvdata(dev);
+ atomic_inc(&psy[*count]->use_cnt);
+ (*count)++;
+
+ return 0;
+}
+
+/**
+ * power_supply_get_by_phandle_array() - Similar to
+ * power_supply_get_by_phandle but returns an array of power supply
+ * objects which are associated with the phandle.
+ * @np: Pointer to device node holding phandle property.
+ * @property: Name of property holding a power supply name.
+ * @psy: Array of power_supply pointers provided by the client which is
+ * filled by power_supply_get_by_phandle_array.
+ * @size: size of power_supply pointer array.
+ *
+ * If power supply was found, it increases reference count for the
+ * internal power supply's device. The user should power_supply_put()
+ * after usage.
+ *
+ * Return: On success returns the number of power supply objects filled
+ * in the @psy array.
+ * -EOVERFLOW when size of @psy array is not suffice.
+ * -EINVAL when @psy is NULL or @size is 0.
+ * -ENODEV when matching device_node is not found.
+ */
+int power_supply_get_by_phandle_array(struct device_node *np,
+ const char *property,
+ struct power_supply **psy,
+ ssize_t size)
+{
+ struct device_node *power_supply_np;
+ int ret;
+ struct match_device_node_array_param param;
+
+ if (!psy || !size)
+ return -EINVAL;
+
+ power_supply_np = of_parse_phandle(np, property, 0);
+ if (!power_supply_np)
+ return -ENODEV;
+
+ param.parent_of_node = power_supply_np;
+ param.psy = psy;
+ param.psy_size = size;
+ param.psy_count = 0;
+ ret = class_for_each_device(power_supply_class, NULL, ¶m,
+ power_supply_match_device_node_array);
+
+ of_node_put(power_supply_np);
+
+ return param.psy_count;
+}
+EXPORT_SYMBOL_GPL(power_supply_get_by_phandle_array);
+
static void devm_power_supply_put(struct device *dev, void *res)
{
struct power_supply **psy = res;
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index a616b9d..a5e6563 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -89,6 +89,7 @@ static const char * const POWER_SUPPLY_CHARGE_TYPE_TEXT[] = {
[POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE] = "Adaptive",
[POWER_SUPPLY_CHARGE_TYPE_CUSTOM] = "Custom",
[POWER_SUPPLY_CHARGE_TYPE_LONGLIFE] = "Long Life",
+ [POWER_SUPPLY_CHARGE_TYPE_TAPER] = "Taper",
};
static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
diff --git a/drivers/powercap/Kconfig b/drivers/powercap/Kconfig
index bc22872..8242e8c 100644
--- a/drivers/powercap/Kconfig
+++ b/drivers/powercap/Kconfig
@@ -43,4 +43,17 @@
CPUs for power capping. Idle period can be injected
synchronously on a set of specified CPUs or alternatively
on a per CPU basis.
+
+config DTPM
+ bool "Power capping for Dynamic Thermal Power Management (EXPERIMENTAL)"
+ help
+ This enables support for the power capping for the dynamic
+ thermal power management userspace engine.
+
+config DTPM_CPU
+ bool "Add CPU power capping based on the energy model"
+ depends on DTPM && ENERGY_MODEL
+ help
+ This enables support for CPU power limitation based on
+ energy model.
endif
diff --git a/drivers/powercap/Makefile b/drivers/powercap/Makefile
index 7255c94..fabcf38 100644
--- a/drivers/powercap/Makefile
+++ b/drivers/powercap/Makefile
@@ -1,4 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_DTPM) += dtpm.o
+obj-$(CONFIG_DTPM_CPU) += dtpm_cpu.o
obj-$(CONFIG_POWERCAP) += powercap_sys.o
obj-$(CONFIG_INTEL_RAPL_CORE) += intel_rapl_common.o
obj-$(CONFIG_INTEL_RAPL) += intel_rapl_msr.o
diff --git a/drivers/powercap/dtpm.c b/drivers/powercap/dtpm.c
new file mode 100644
index 0000000..c2185ec
--- /dev/null
+++ b/drivers/powercap/dtpm.c
@@ -0,0 +1,483 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2020 Linaro Limited
+ *
+ * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
+ *
+ * The powercap based Dynamic Thermal Power Management framework
+ * provides to the userspace a consistent API to set the power limit
+ * on some devices.
+ *
+ * DTPM defines the functions to create a tree of constraints. Each
+ * parent node is a virtual description of the aggregation of the
+ * children. It propagates the constraints set at its level to its
+ * children and collect the children power information. The leaves of
+ * the tree are the real devices which have the ability to get their
+ * current power consumption and set their power limit.
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/dtpm.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/powercap.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+
+#define DTPM_POWER_LIMIT_FLAG 0
+
+static const char *constraint_name[] = {
+ "Instantaneous",
+};
+
+static DEFINE_MUTEX(dtpm_lock);
+static struct powercap_control_type *pct;
+static struct dtpm *root;
+
+static int get_time_window_us(struct powercap_zone *pcz, int cid, u64 *window)
+{
+ return -ENOSYS;
+}
+
+static int set_time_window_us(struct powercap_zone *pcz, int cid, u64 window)
+{
+ return -ENOSYS;
+}
+
+static int get_max_power_range_uw(struct powercap_zone *pcz, u64 *max_power_uw)
+{
+ struct dtpm *dtpm = to_dtpm(pcz);
+
+ mutex_lock(&dtpm_lock);
+ *max_power_uw = dtpm->power_max - dtpm->power_min;
+ mutex_unlock(&dtpm_lock);
+
+ return 0;
+}
+
+static int __get_power_uw(struct dtpm *dtpm, u64 *power_uw)
+{
+ struct dtpm *child;
+ u64 power;
+ int ret = 0;
+
+ if (dtpm->ops) {
+ *power_uw = dtpm->ops->get_power_uw(dtpm);
+ return 0;
+ }
+
+ *power_uw = 0;
+
+ list_for_each_entry(child, &dtpm->children, sibling) {
+ ret = __get_power_uw(child, &power);
+ if (ret)
+ break;
+ *power_uw += power;
+ }
+
+ return ret;
+}
+
+static int get_power_uw(struct powercap_zone *pcz, u64 *power_uw)
+{
+ struct dtpm *dtpm = to_dtpm(pcz);
+ int ret;
+
+ mutex_lock(&dtpm_lock);
+ ret = __get_power_uw(dtpm, power_uw);
+ mutex_unlock(&dtpm_lock);
+
+ return ret;
+}
+
+static void __dtpm_rebalance_weight(struct dtpm *dtpm)
+{
+ struct dtpm *child;
+
+ list_for_each_entry(child, &dtpm->children, sibling) {
+
+ pr_debug("Setting weight '%d' for '%s'\n",
+ child->weight, child->zone.name);
+
+ child->weight = DIV64_U64_ROUND_CLOSEST(
+ child->power_max * 1024, dtpm->power_max);
+
+ __dtpm_rebalance_weight(child);
+ }
+}
+
+static void __dtpm_sub_power(struct dtpm *dtpm)
+{
+ struct dtpm *parent = dtpm->parent;
+
+ while (parent) {
+ parent->power_min -= dtpm->power_min;
+ parent->power_max -= dtpm->power_max;
+ parent->power_limit -= dtpm->power_limit;
+ parent = parent->parent;
+ }
+
+ __dtpm_rebalance_weight(root);
+}
+
+static void __dtpm_add_power(struct dtpm *dtpm)
+{
+ struct dtpm *parent = dtpm->parent;
+
+ while (parent) {
+ parent->power_min += dtpm->power_min;
+ parent->power_max += dtpm->power_max;
+ parent->power_limit += dtpm->power_limit;
+ parent = parent->parent;
+ }
+
+ __dtpm_rebalance_weight(root);
+}
+
+/**
+ * dtpm_update_power - Update the power on the dtpm
+ * @dtpm: a pointer to a dtpm structure to update
+ * @power_min: a u64 representing the new power_min value
+ * @power_max: a u64 representing the new power_max value
+ *
+ * Function to update the power values of the dtpm node specified in
+ * parameter. These new values will be propagated to the tree.
+ *
+ * Return: zero on success, -EINVAL if the values are inconsistent
+ */
+int dtpm_update_power(struct dtpm *dtpm, u64 power_min, u64 power_max)
+{
+ int ret = 0;
+
+ mutex_lock(&dtpm_lock);
+
+ if (power_min == dtpm->power_min && power_max == dtpm->power_max)
+ goto unlock;
+
+ if (power_max < power_min) {
+ ret = -EINVAL;
+ goto unlock;
+ }
+
+ __dtpm_sub_power(dtpm);
+
+ dtpm->power_min = power_min;
+ dtpm->power_max = power_max;
+ if (!test_bit(DTPM_POWER_LIMIT_FLAG, &dtpm->flags))
+ dtpm->power_limit = power_max;
+
+ __dtpm_add_power(dtpm);
+
+unlock:
+ mutex_unlock(&dtpm_lock);
+
+ return ret;
+}
+
+/**
+ * dtpm_release_zone - Cleanup when the node is released
+ * @pcz: a pointer to a powercap_zone structure
+ *
+ * Do some housecleaning and update the weight on the tree. The
+ * release will be denied if the node has children. This function must
+ * be called by the specific release callback of the different
+ * backends.
+ *
+ * Return: 0 on success, -EBUSY if there are children
+ */
+int dtpm_release_zone(struct powercap_zone *pcz)
+{
+ struct dtpm *dtpm = to_dtpm(pcz);
+ struct dtpm *parent = dtpm->parent;
+
+ mutex_lock(&dtpm_lock);
+
+ if (!list_empty(&dtpm->children)) {
+ mutex_unlock(&dtpm_lock);
+ return -EBUSY;
+ }
+
+ if (parent)
+ list_del(&dtpm->sibling);
+
+ __dtpm_sub_power(dtpm);
+
+ mutex_unlock(&dtpm_lock);
+
+ if (dtpm->ops)
+ dtpm->ops->release(dtpm);
+
+ if (root == dtpm)
+ root = NULL;
+
+ kfree(dtpm);
+
+ return 0;
+}
+
+static int __get_power_limit_uw(struct dtpm *dtpm, int cid, u64 *power_limit)
+{
+ *power_limit = dtpm->power_limit;
+ return 0;
+}
+
+static int get_power_limit_uw(struct powercap_zone *pcz,
+ int cid, u64 *power_limit)
+{
+ struct dtpm *dtpm = to_dtpm(pcz);
+ int ret;
+
+ mutex_lock(&dtpm_lock);
+ ret = __get_power_limit_uw(dtpm, cid, power_limit);
+ mutex_unlock(&dtpm_lock);
+
+ return ret;
+}
+
+/*
+ * Set the power limit on the nodes, the power limit is distributed
+ * given the weight of the children.
+ *
+ * The dtpm node lock must be held when calling this function.
+ */
+static int __set_power_limit_uw(struct dtpm *dtpm, int cid, u64 power_limit)
+{
+ struct dtpm *child;
+ int ret = 0;
+ u64 power;
+
+ /*
+ * A max power limitation means we remove the power limit,
+ * otherwise we set a constraint and flag the dtpm node.
+ */
+ if (power_limit == dtpm->power_max) {
+ clear_bit(DTPM_POWER_LIMIT_FLAG, &dtpm->flags);
+ } else {
+ set_bit(DTPM_POWER_LIMIT_FLAG, &dtpm->flags);
+ }
+
+ pr_debug("Setting power limit for '%s': %llu uW\n",
+ dtpm->zone.name, power_limit);
+
+ /*
+ * Only leaves of the dtpm tree has ops to get/set the power
+ */
+ if (dtpm->ops) {
+ dtpm->power_limit = dtpm->ops->set_power_uw(dtpm, power_limit);
+ } else {
+ dtpm->power_limit = 0;
+
+ list_for_each_entry(child, &dtpm->children, sibling) {
+
+ /*
+ * Integer division rounding will inevitably
+ * lead to a different min or max value when
+ * set several times. In order to restore the
+ * initial value, we force the child's min or
+ * max power every time if the constraint is
+ * at the boundaries.
+ */
+ if (power_limit == dtpm->power_max) {
+ power = child->power_max;
+ } else if (power_limit == dtpm->power_min) {
+ power = child->power_min;
+ } else {
+ power = DIV_ROUND_CLOSEST_ULL(
+ power_limit * child->weight, 1024);
+ }
+
+ pr_debug("Setting power limit for '%s': %llu uW\n",
+ child->zone.name, power);
+
+ ret = __set_power_limit_uw(child, cid, power);
+ if (!ret)
+ ret = __get_power_limit_uw(child, cid, &power);
+
+ if (ret)
+ break;
+
+ dtpm->power_limit += power;
+ }
+ }
+
+ return ret;
+}
+
+static int set_power_limit_uw(struct powercap_zone *pcz,
+ int cid, u64 power_limit)
+{
+ struct dtpm *dtpm = to_dtpm(pcz);
+ int ret;
+
+ mutex_lock(&dtpm_lock);
+
+ /*
+ * Don't allow values outside of the power range previously
+ * set when initializing the power numbers.
+ */
+ power_limit = clamp_val(power_limit, dtpm->power_min, dtpm->power_max);
+
+ ret = __set_power_limit_uw(dtpm, cid, power_limit);
+
+ pr_debug("%s: power limit: %llu uW, power max: %llu uW\n",
+ dtpm->zone.name, dtpm->power_limit, dtpm->power_max);
+
+ mutex_unlock(&dtpm_lock);
+
+ return ret;
+}
+
+static const char *get_constraint_name(struct powercap_zone *pcz, int cid)
+{
+ return constraint_name[cid];
+}
+
+static int get_max_power_uw(struct powercap_zone *pcz, int id, u64 *max_power)
+{
+ struct dtpm *dtpm = to_dtpm(pcz);
+
+ mutex_lock(&dtpm_lock);
+ *max_power = dtpm->power_max;
+ mutex_unlock(&dtpm_lock);
+
+ return 0;
+}
+
+static struct powercap_zone_constraint_ops constraint_ops = {
+ .set_power_limit_uw = set_power_limit_uw,
+ .get_power_limit_uw = get_power_limit_uw,
+ .set_time_window_us = set_time_window_us,
+ .get_time_window_us = get_time_window_us,
+ .get_max_power_uw = get_max_power_uw,
+ .get_name = get_constraint_name,
+};
+
+static struct powercap_zone_ops zone_ops = {
+ .get_max_power_range_uw = get_max_power_range_uw,
+ .get_power_uw = get_power_uw,
+ .release = dtpm_release_zone,
+};
+
+/**
+ * dtpm_alloc - Allocate and initialize a dtpm struct
+ * @name: a string specifying the name of the node
+ *
+ * Return: a struct dtpm pointer, NULL in case of error
+ */
+struct dtpm *dtpm_alloc(struct dtpm_ops *ops)
+{
+ struct dtpm *dtpm;
+
+ dtpm = kzalloc(sizeof(*dtpm), GFP_KERNEL);
+ if (dtpm) {
+ INIT_LIST_HEAD(&dtpm->children);
+ INIT_LIST_HEAD(&dtpm->sibling);
+ dtpm->weight = 1024;
+ dtpm->ops = ops;
+ }
+
+ return dtpm;
+}
+
+/**
+ * dtpm_unregister - Unregister a dtpm node from the hierarchy tree
+ * @dtpm: a pointer to a dtpm structure corresponding to the node to be removed
+ *
+ * Call the underlying powercap unregister function. That will call
+ * the release callback of the powercap zone.
+ */
+void dtpm_unregister(struct dtpm *dtpm)
+{
+ powercap_unregister_zone(pct, &dtpm->zone);
+
+ pr_info("Unregistered dtpm node '%s'\n", dtpm->zone.name);
+}
+
+/**
+ * dtpm_register - Register a dtpm node in the hierarchy tree
+ * @name: a string specifying the name of the node
+ * @dtpm: a pointer to a dtpm structure corresponding to the new node
+ * @parent: a pointer to a dtpm structure corresponding to the parent node
+ *
+ * Create a dtpm node in the tree. If no parent is specified, the node
+ * is the root node of the hierarchy. If the root node already exists,
+ * then the registration will fail. The powercap controller must be
+ * initialized before calling this function.
+ *
+ * The dtpm structure must be initialized with the power numbers
+ * before calling this function.
+ *
+ * Return: zero on success, a negative value in case of error:
+ * -EAGAIN: the function is called before the framework is initialized.
+ * -EBUSY: the root node is already inserted
+ * -EINVAL: * there is no root node yet and @parent is specified
+ * * no all ops are defined
+ * * parent have ops which are reserved for leaves
+ * Other negative values are reported back from the powercap framework
+ */
+int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent)
+{
+ struct powercap_zone *pcz;
+
+ if (!pct)
+ return -EAGAIN;
+
+ if (root && !parent)
+ return -EBUSY;
+
+ if (!root && parent)
+ return -EINVAL;
+
+ if (parent && parent->ops)
+ return -EINVAL;
+
+ if (!dtpm)
+ return -EINVAL;
+
+ if (dtpm->ops && !(dtpm->ops->set_power_uw &&
+ dtpm->ops->get_power_uw &&
+ dtpm->ops->release))
+ return -EINVAL;
+
+ pcz = powercap_register_zone(&dtpm->zone, pct, name,
+ parent ? &parent->zone : NULL,
+ &zone_ops, MAX_DTPM_CONSTRAINTS,
+ &constraint_ops);
+ if (IS_ERR(pcz))
+ return PTR_ERR(pcz);
+
+ mutex_lock(&dtpm_lock);
+
+ if (parent) {
+ list_add_tail(&dtpm->sibling, &parent->children);
+ dtpm->parent = parent;
+ } else {
+ root = dtpm;
+ }
+
+ __dtpm_add_power(dtpm);
+
+ pr_info("Registered dtpm node '%s' / %llu-%llu uW, \n",
+ dtpm->zone.name, dtpm->power_min, dtpm->power_max);
+
+ mutex_unlock(&dtpm_lock);
+
+ return 0;
+}
+
+static int __init dtpm_init(void)
+{
+ struct dtpm_descr **dtpm_descr;
+
+ pct = powercap_register_control_type(NULL, "dtpm", NULL);
+ if (IS_ERR(pct)) {
+ pr_err("Failed to register control type\n");
+ return PTR_ERR(pct);
+ }
+
+ for_each_dtpm_table(dtpm_descr)
+ (*dtpm_descr)->init(*dtpm_descr);
+
+ return 0;
+}
+late_initcall(dtpm_init);
diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c
new file mode 100644
index 0000000..51c3669
--- /dev/null
+++ b/drivers/powercap/dtpm_cpu.c
@@ -0,0 +1,257 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2020 Linaro Limited
+ *
+ * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
+ *
+ * The DTPM CPU is based on the energy model. It hooks the CPU in the
+ * DTPM tree which in turns update the power number by propagating the
+ * power number from the CPU energy model information to the parents.
+ *
+ * The association between the power and the performance state, allows
+ * to set the power of the CPU at the OPP granularity.
+ *
+ * The CPU hotplug is supported and the power numbers will be updated
+ * if a CPU is hot plugged / unplugged.
+ */
+#include <linux/cpumask.h>
+#include <linux/cpufreq.h>
+#include <linux/cpuhotplug.h>
+#include <linux/dtpm.h>
+#include <linux/energy_model.h>
+#include <linux/pm_qos.h>
+#include <linux/slab.h>
+#include <linux/units.h>
+
+static struct dtpm *__parent;
+
+static DEFINE_PER_CPU(struct dtpm *, dtpm_per_cpu);
+
+struct dtpm_cpu {
+ struct freq_qos_request qos_req;
+ int cpu;
+};
+
+/*
+ * When a new CPU is inserted at hotplug or boot time, add the power
+ * contribution and update the dtpm tree.
+ */
+static int power_add(struct dtpm *dtpm, struct em_perf_domain *em)
+{
+ u64 power_min, power_max;
+
+ power_min = em->table[0].power;
+ power_min *= MICROWATT_PER_MILLIWATT;
+ power_min += dtpm->power_min;
+
+ power_max = em->table[em->nr_perf_states - 1].power;
+ power_max *= MICROWATT_PER_MILLIWATT;
+ power_max += dtpm->power_max;
+
+ return dtpm_update_power(dtpm, power_min, power_max);
+}
+
+/*
+ * When a CPU is unplugged, remove its power contribution from the
+ * dtpm tree.
+ */
+static int power_sub(struct dtpm *dtpm, struct em_perf_domain *em)
+{
+ u64 power_min, power_max;
+
+ power_min = em->table[0].power;
+ power_min *= MICROWATT_PER_MILLIWATT;
+ power_min = dtpm->power_min - power_min;
+
+ power_max = em->table[em->nr_perf_states - 1].power;
+ power_max *= MICROWATT_PER_MILLIWATT;
+ power_max = dtpm->power_max - power_max;
+
+ return dtpm_update_power(dtpm, power_min, power_max);
+}
+
+static u64 set_pd_power_limit(struct dtpm *dtpm, u64 power_limit)
+{
+ struct dtpm_cpu *dtpm_cpu = dtpm->private;
+ struct em_perf_domain *pd;
+ struct cpumask cpus;
+ unsigned long freq;
+ u64 power;
+ int i, nr_cpus;
+
+ pd = em_cpu_get(dtpm_cpu->cpu);
+
+ cpumask_and(&cpus, cpu_online_mask, to_cpumask(pd->cpus));
+
+ nr_cpus = cpumask_weight(&cpus);
+
+ for (i = 0; i < pd->nr_perf_states; i++) {
+
+ power = pd->table[i].power * MICROWATT_PER_MILLIWATT * nr_cpus;
+
+ if (power > power_limit)
+ break;
+ }
+
+ freq = pd->table[i - 1].frequency;
+
+ freq_qos_update_request(&dtpm_cpu->qos_req, freq);
+
+ power_limit = pd->table[i - 1].power *
+ MICROWATT_PER_MILLIWATT * nr_cpus;
+
+ return power_limit;
+}
+
+static u64 get_pd_power_uw(struct dtpm *dtpm)
+{
+ struct dtpm_cpu *dtpm_cpu = dtpm->private;
+ struct em_perf_domain *pd;
+ struct cpumask cpus;
+ unsigned long freq;
+ int i, nr_cpus;
+
+ pd = em_cpu_get(dtpm_cpu->cpu);
+ freq = cpufreq_quick_get(dtpm_cpu->cpu);
+ cpumask_and(&cpus, cpu_online_mask, to_cpumask(pd->cpus));
+ nr_cpus = cpumask_weight(&cpus);
+
+ for (i = 0; i < pd->nr_perf_states; i++) {
+
+ if (pd->table[i].frequency < freq)
+ continue;
+
+ return pd->table[i].power *
+ MICROWATT_PER_MILLIWATT * nr_cpus;
+ }
+
+ return 0;
+}
+
+static void pd_release(struct dtpm *dtpm)
+{
+ struct dtpm_cpu *dtpm_cpu = dtpm->private;
+
+ if (freq_qos_request_active(&dtpm_cpu->qos_req))
+ freq_qos_remove_request(&dtpm_cpu->qos_req);
+
+ kfree(dtpm_cpu);
+}
+
+static struct dtpm_ops dtpm_ops = {
+ .set_power_uw = set_pd_power_limit,
+ .get_power_uw = get_pd_power_uw,
+ .release = pd_release,
+};
+
+static int cpuhp_dtpm_cpu_offline(unsigned int cpu)
+{
+ struct cpufreq_policy *policy;
+ struct em_perf_domain *pd;
+ struct dtpm *dtpm;
+
+ policy = cpufreq_cpu_get(cpu);
+
+ if (!policy)
+ return 0;
+
+ pd = em_cpu_get(cpu);
+ if (!pd)
+ return -EINVAL;
+
+ dtpm = per_cpu(dtpm_per_cpu, cpu);
+
+ power_sub(dtpm, pd);
+
+ if (cpumask_weight(policy->cpus) != 1)
+ return 0;
+
+ for_each_cpu(cpu, policy->related_cpus)
+ per_cpu(dtpm_per_cpu, cpu) = NULL;
+
+ dtpm_unregister(dtpm);
+
+ return 0;
+}
+
+static int cpuhp_dtpm_cpu_online(unsigned int cpu)
+{
+ struct dtpm *dtpm;
+ struct dtpm_cpu *dtpm_cpu;
+ struct cpufreq_policy *policy;
+ struct em_perf_domain *pd;
+ char name[CPUFREQ_NAME_LEN];
+ int ret = -ENOMEM;
+
+ policy = cpufreq_cpu_get(cpu);
+
+ if (!policy)
+ return 0;
+
+ pd = em_cpu_get(cpu);
+ if (!pd)
+ return -EINVAL;
+
+ dtpm = per_cpu(dtpm_per_cpu, cpu);
+ if (dtpm)
+ return power_add(dtpm, pd);
+
+ dtpm = dtpm_alloc(&dtpm_ops);
+ if (!dtpm)
+ return -EINVAL;
+
+ dtpm_cpu = kzalloc(sizeof(*dtpm_cpu), GFP_KERNEL);
+ if (!dtpm_cpu)
+ goto out_kfree_dtpm;
+
+ dtpm->private = dtpm_cpu;
+ dtpm_cpu->cpu = cpu;
+
+ for_each_cpu(cpu, policy->related_cpus)
+ per_cpu(dtpm_per_cpu, cpu) = dtpm;
+
+ sprintf(name, "cpu%d", dtpm_cpu->cpu);
+
+ ret = dtpm_register(name, dtpm, __parent);
+ if (ret)
+ goto out_kfree_dtpm_cpu;
+
+ ret = power_add(dtpm, pd);
+ if (ret)
+ goto out_dtpm_unregister;
+
+ ret = freq_qos_add_request(&policy->constraints,
+ &dtpm_cpu->qos_req, FREQ_QOS_MAX,
+ pd->table[pd->nr_perf_states - 1].frequency);
+ if (ret)
+ goto out_power_sub;
+
+ return 0;
+
+out_power_sub:
+ power_sub(dtpm, pd);
+
+out_dtpm_unregister:
+ dtpm_unregister(dtpm);
+ dtpm_cpu = NULL;
+ dtpm = NULL;
+
+out_kfree_dtpm_cpu:
+ for_each_cpu(cpu, policy->related_cpus)
+ per_cpu(dtpm_per_cpu, cpu) = NULL;
+ kfree(dtpm_cpu);
+
+out_kfree_dtpm:
+ kfree(dtpm);
+ return ret;
+}
+
+int dtpm_register_cpu(struct dtpm *parent)
+{
+ __parent = parent;
+
+ return cpuhp_setup_state(CPUHP_AP_DTPM_CPU_ONLINE,
+ "dtpm_cpu:online",
+ cpuhp_dtpm_cpu_online,
+ cpuhp_dtpm_cpu_offline);
+}
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 1f16f53..919189d 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -304,6 +304,7 @@ int pwmchip_add_with_polarity(struct pwm_chip *chip,
pwm->pwm = chip->base + i;
pwm->hwpwm = i;
pwm->state.polarity = polarity;
+ pwm->state.output_type = PWM_OUTPUT_FIXED;
radix_tree_insert(&pwm_tree, pwm->pwm, pwm);
}
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 9903c3a..f5f3766 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -215,11 +215,35 @@ static ssize_t capture_show(struct device *child,
return sprintf(buf, "%u %u\n", result.period, result.duty_cycle);
}
+static ssize_t output_type_show(struct device *child,
+ struct device_attribute *attr,
+ char *buf)
+{
+ const struct pwm_device *pwm = child_to_pwm_device(child);
+ const char *output_type = "unknown";
+ struct pwm_state state;
+
+ pwm_get_state(pwm, &state);
+ switch (state.output_type) {
+ case PWM_OUTPUT_FIXED:
+ output_type = "fixed";
+ break;
+ case PWM_OUTPUT_MODULATED:
+ output_type = "modulated";
+ break;
+ default:
+ break;
+ }
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", output_type);
+}
+
static DEVICE_ATTR_RW(period);
static DEVICE_ATTR_RW(duty_cycle);
static DEVICE_ATTR_RW(enable);
static DEVICE_ATTR_RW(polarity);
static DEVICE_ATTR_RO(capture);
+static DEVICE_ATTR_RO(output_type);
static struct attribute *pwm_attrs[] = {
&dev_attr_period.attr,
@@ -227,6 +251,7 @@ static struct attribute *pwm_attrs[] = {
&dev_attr_enable.attr,
&dev_attr_polarity.attr,
&dev_attr_capture.attr,
+ &dev_attr_output_type.attr,
NULL
};
ATTRIBUTE_GROUPS(pwm);
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 020a00d..e16967d 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -155,6 +155,15 @@
and Wolfson Microelectronic Arizona codecs
devices.
+config REGULATOR_ARM_SCMI
+ tristate "SCMI based regulator driver"
+ depends on ARM_SCMI_PROTOCOL && OF
+ help
+ This adds the regulator driver support for ARM platforms using SCMI
+ protocol for device voltage management.
+ This driver uses SCMI Message Protocol driver to interact with the
+ firmware providing the device Voltage functionality.
+
config REGULATOR_AS3711
tristate "AS3711 PMIC"
depends on MFD_AS3711
@@ -844,6 +853,7 @@
config REGULATOR_QCOM_RPMH
tristate "Qualcomm Technologies, Inc. RPMh regulator driver"
depends on QCOM_RPMH || COMPILE_TEST
+ depends on QCOM_COMMAND_DB || !QCOM_COMMAND_DB
help
This driver supports control of PMIC regulators via the RPMh hardware
block found on Qualcomm Technologies Inc. SoCs. RPMh regulator
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 6ebae51..aeed0b6 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -24,6 +24,7 @@
obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
obj-$(CONFIG_REGULATOR_ARIZONA_LDO1) += arizona-ldo1.o
obj-$(CONFIG_REGULATOR_ARIZONA_MICSUPP) += arizona-micsupp.o
+obj-$(CONFIG_REGULATOR_ARM_SCMI) += scmi-regulator.o
obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o
obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 06c0b15..564f928 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -413,8 +413,12 @@ device_node *regulator_of_get_init_node(struct device *dev,
for_each_available_child_of_node(search, child) {
name = of_get_property(child, "regulator-compatible", NULL);
- if (!name)
- name = child->name;
+ if (!name) {
+ if (!desc->of_match_full_name)
+ name = child->name;
+ else
+ name = child->full_name;
+ }
if (!strcmp(desc->of_match, name)) {
of_node_put(search);
diff --git a/drivers/regulator/scmi-regulator.c b/drivers/regulator/scmi-regulator.c
new file mode 100644
index 0000000..14d846b
--- /dev/null
+++ b/drivers/regulator/scmi-regulator.c
@@ -0,0 +1,421 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// System Control and Management Interface (SCMI) based regulator driver
+//
+// Copyright (C) 2020 ARM Ltd.
+//
+// Implements a regulator driver on top of the SCMI Voltage Protocol.
+//
+// The ARM SCMI Protocol aims in general to hide as much as possible all the
+// underlying operational details while providing an abstracted interface for
+// its users to operate upon: as a consequence the resulting operational
+// capabilities and configurability of this regulator device are much more
+// limited than the ones usually available on a standard physical regulator.
+//
+// The supported SCMI regulator ops are restricted to the bare minimum:
+//
+// - 'status_ops': enable/disable/is_enabled
+// - 'voltage_ops': get_voltage_sel/set_voltage_sel
+// list_voltage/map_voltage
+//
+// Each SCMI regulator instance is associated, through the means of a proper DT
+// entry description, to a specific SCMI Voltage Domain.
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/linear_range.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/scmi_protocol.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+static const struct scmi_voltage_proto_ops *voltage_ops;
+
+struct scmi_regulator {
+ u32 id;
+ struct scmi_device *sdev;
+ struct scmi_protocol_handle *ph;
+ struct regulator_dev *rdev;
+ struct device_node *of_node;
+ struct regulator_desc desc;
+ struct regulator_config conf;
+};
+
+struct scmi_regulator_info {
+ int num_doms;
+ struct scmi_regulator **sregv;
+};
+
+static int scmi_reg_enable(struct regulator_dev *rdev)
+{
+ struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+ return voltage_ops->config_set(sreg->ph, sreg->id,
+ SCMI_VOLTAGE_ARCH_STATE_ON);
+}
+
+static int scmi_reg_disable(struct regulator_dev *rdev)
+{
+ struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+ return voltage_ops->config_set(sreg->ph, sreg->id,
+ SCMI_VOLTAGE_ARCH_STATE_OFF);
+}
+
+static int scmi_reg_is_enabled(struct regulator_dev *rdev)
+{
+ int ret;
+ u32 config;
+ struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+ ret = voltage_ops->config_get(sreg->ph, sreg->id, &config);
+ if (ret) {
+ dev_err(&sreg->sdev->dev,
+ "Error %d reading regulator %s status.\n",
+ ret, sreg->desc.name);
+ return ret;
+ }
+
+ return config & SCMI_VOLTAGE_ARCH_STATE_ON;
+}
+
+static int scmi_reg_get_voltage_sel(struct regulator_dev *rdev)
+{
+ int ret;
+ s32 volt_uV;
+ struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+ ret = voltage_ops->level_get(sreg->ph, sreg->id, &volt_uV);
+ if (ret)
+ return ret;
+
+ return sreg->desc.ops->map_voltage(rdev, volt_uV, volt_uV);
+}
+
+static int scmi_reg_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ s32 volt_uV;
+ struct scmi_regulator *sreg = rdev_get_drvdata(rdev);
+
+ volt_uV = sreg->desc.ops->list_voltage(rdev, selector);
+ if (volt_uV <= 0)
+ return -EINVAL;
+
+ return voltage_ops->level_set(sreg->ph, sreg->id, 0x0, volt_uV);
+}
+
+static const struct regulator_ops scmi_reg_fixed_ops = {
+ .enable = scmi_reg_enable,
+ .disable = scmi_reg_disable,
+ .is_enabled = scmi_reg_is_enabled,
+};
+
+static const struct regulator_ops scmi_reg_linear_ops = {
+ .enable = scmi_reg_enable,
+ .disable = scmi_reg_disable,
+ .is_enabled = scmi_reg_is_enabled,
+ .get_voltage_sel = scmi_reg_get_voltage_sel,
+ .set_voltage_sel = scmi_reg_set_voltage_sel,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+};
+
+static const struct regulator_ops scmi_reg_discrete_ops = {
+ .enable = scmi_reg_enable,
+ .disable = scmi_reg_disable,
+ .is_enabled = scmi_reg_is_enabled,
+ .get_voltage_sel = scmi_reg_get_voltage_sel,
+ .set_voltage_sel = scmi_reg_set_voltage_sel,
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_iterate,
+};
+
+static int
+scmi_config_linear_regulator_mappings(struct scmi_regulator *sreg,
+ const struct scmi_voltage_info *vinfo)
+{
+ s32 delta_uV;
+
+ /*
+ * Note that SCMI voltage domains describable by linear ranges
+ * (segments) {low, high, step} are guaranteed to come in one single
+ * triplet by the SCMI Voltage Domain protocol support itself.
+ */
+
+ delta_uV = (vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_HIGH] -
+ vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW]);
+
+ /* Rule out buggy negative-intervals answers from fw */
+ if (delta_uV < 0) {
+ dev_err(&sreg->sdev->dev,
+ "Invalid volt-range %d-%duV for domain %d\n",
+ vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW],
+ vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_HIGH],
+ sreg->id);
+ return -EINVAL;
+ }
+
+ if (!delta_uV) {
+ /* Just one fixed voltage exposed by SCMI */
+ sreg->desc.fixed_uV =
+ vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW];
+ sreg->desc.n_voltages = 1;
+ sreg->desc.ops = &scmi_reg_fixed_ops;
+ } else {
+ /* One simple linear mapping. */
+ sreg->desc.min_uV =
+ vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_LOW];
+ sreg->desc.uV_step =
+ vinfo->levels_uv[SCMI_VOLTAGE_SEGMENT_STEP];
+ sreg->desc.linear_min_sel = 0;
+ sreg->desc.n_voltages = (delta_uV / sreg->desc.uV_step) + 1;
+ sreg->desc.ops = &scmi_reg_linear_ops;
+ }
+
+ return 0;
+}
+
+static int
+scmi_config_discrete_regulator_mappings(struct scmi_regulator *sreg,
+ const struct scmi_voltage_info *vinfo)
+{
+ /* Discrete non linear levels are mapped to volt_table */
+ sreg->desc.n_voltages = vinfo->num_levels;
+
+ if (sreg->desc.n_voltages > 1) {
+ sreg->desc.volt_table = (const unsigned int *)vinfo->levels_uv;
+ sreg->desc.ops = &scmi_reg_discrete_ops;
+ } else {
+ sreg->desc.fixed_uV = vinfo->levels_uv[0];
+ sreg->desc.ops = &scmi_reg_fixed_ops;
+ }
+
+ return 0;
+}
+
+static int scmi_regulator_common_init(struct scmi_regulator *sreg)
+{
+ int ret;
+ struct device *dev = &sreg->sdev->dev;
+ const struct scmi_voltage_info *vinfo;
+
+ vinfo = voltage_ops->info_get(sreg->ph, sreg->id);
+ if (!vinfo) {
+ dev_warn(dev, "Failure to get voltage domain %d\n",
+ sreg->id);
+ return -ENODEV;
+ }
+
+ /*
+ * Regulator framework does not fully support negative voltages
+ * so we discard any voltage domain reported as supporting negative
+ * voltages: as a consequence each levels_uv entry is guaranteed to
+ * be non-negative from here on.
+ */
+ if (vinfo->negative_volts_allowed) {
+ dev_warn(dev, "Negative voltages NOT supported...skip %s\n",
+ sreg->of_node->full_name);
+ return -EOPNOTSUPP;
+ }
+
+ sreg->desc.name = devm_kasprintf(dev, GFP_KERNEL, "%s", vinfo->name);
+ if (!sreg->desc.name)
+ return -ENOMEM;
+
+ sreg->desc.id = sreg->id;
+ sreg->desc.type = REGULATOR_VOLTAGE;
+ sreg->desc.owner = THIS_MODULE;
+ sreg->desc.of_match_full_name = true;
+ sreg->desc.of_match = sreg->of_node->full_name;
+ sreg->desc.regulators_node = "regulators";
+ if (vinfo->segmented)
+ ret = scmi_config_linear_regulator_mappings(sreg, vinfo);
+ else
+ ret = scmi_config_discrete_regulator_mappings(sreg, vinfo);
+ if (ret)
+ return ret;
+
+ /*
+ * Using the scmi device here to have DT searched from Voltage
+ * protocol node down.
+ */
+ sreg->conf.dev = dev;
+
+ /* Store for later retrieval via rdev_get_drvdata() */
+ sreg->conf.driver_data = sreg;
+
+ return 0;
+}
+
+static int process_scmi_regulator_of_node(struct scmi_device *sdev,
+ struct scmi_protocol_handle *ph,
+ struct device_node *np,
+ struct scmi_regulator_info *rinfo)
+{
+ u32 dom, ret;
+
+ ret = of_property_read_u32(np, "reg", &dom);
+ if (ret)
+ return ret;
+
+ if (dom >= rinfo->num_doms)
+ return -ENODEV;
+
+ if (rinfo->sregv[dom]) {
+ dev_err(&sdev->dev,
+ "SCMI Voltage Domain %d already in use. Skipping: %s\n",
+ dom, np->full_name);
+ return -EINVAL;
+ }
+
+ rinfo->sregv[dom] = devm_kzalloc(&sdev->dev,
+ sizeof(struct scmi_regulator),
+ GFP_KERNEL);
+ if (!rinfo->sregv[dom])
+ return -ENOMEM;
+
+ rinfo->sregv[dom]->id = dom;
+ rinfo->sregv[dom]->sdev = sdev;
+ rinfo->sregv[dom]->ph = ph;
+
+ /* get hold of good nodes */
+ of_node_get(np);
+ rinfo->sregv[dom]->of_node = np;
+
+ dev_dbg(&sdev->dev,
+ "Found SCMI Regulator entry -- OF node [%d] -> %s\n",
+ dom, np->full_name);
+
+ return 0;
+}
+
+static int scmi_regulator_probe(struct scmi_device *sdev)
+{
+ int d, ret, num_doms;
+ struct device_node *np, *child;
+ const struct scmi_handle *handle = sdev->handle;
+ struct scmi_regulator_info *rinfo;
+ struct scmi_protocol_handle *ph;
+
+ if (!handle)
+ return -ENODEV;
+
+ voltage_ops = handle->devm_get_protocol(sdev,
+ SCMI_PROTOCOL_VOLTAGE, &ph);
+ if (IS_ERR(voltage_ops))
+ return PTR_ERR(voltage_ops);
+
+ num_doms = voltage_ops->num_domains_get(ph);
+ if (num_doms <= 0) {
+ if (!num_doms) {
+ dev_err(&sdev->dev,
+ "number of voltage domains invalid\n");
+ num_doms = -EINVAL;
+ } else {
+ dev_err(&sdev->dev,
+ "failed to get voltage domains - err:%d\n",
+ num_doms);
+ }
+
+ return num_doms;
+ }
+
+ rinfo = devm_kzalloc(&sdev->dev, sizeof(*rinfo), GFP_KERNEL);
+ if (!rinfo)
+ return -ENOMEM;
+
+ /* Allocate pointers array for all possible domains */
+ rinfo->sregv = devm_kcalloc(&sdev->dev, num_doms,
+ sizeof(void *), GFP_KERNEL);
+ if (!rinfo->sregv)
+ return -ENOMEM;
+
+ rinfo->num_doms = num_doms;
+
+ /*
+ * Start collecting into rinfo->sregv possibly good SCMI Regulators as
+ * described by a well-formed DT entry and associated with an existing
+ * plausible SCMI Voltage Domain number, all belonging to this SCMI
+ * platform instance node (handle->dev->of_node).
+ */
+ np = of_find_node_by_name(handle->dev->of_node, "regulators");
+ for_each_child_of_node(np, child) {
+ ret = process_scmi_regulator_of_node(sdev, ph, child, rinfo);
+ /* abort on any mem issue */
+ if (ret == -ENOMEM)
+ return ret;
+ }
+
+ /*
+ * Register a regulator for each valid regulator-DT-entry that we
+ * can successfully reach via SCMI and has a valid associated voltage
+ * domain.
+ */
+ for (d = 0; d < num_doms; d++) {
+ struct scmi_regulator *sreg = rinfo->sregv[d];
+
+ /* Skip empty slots */
+ if (!sreg)
+ continue;
+
+ ret = scmi_regulator_common_init(sreg);
+ /* Skip invalid voltage domains */
+ if (ret)
+ continue;
+
+ sreg->rdev = devm_regulator_register(&sdev->dev, &sreg->desc,
+ &sreg->conf);
+ if (IS_ERR(sreg->rdev)) {
+ sreg->rdev = NULL;
+ continue;
+ }
+
+ dev_info(&sdev->dev,
+ "Regulator %s registered for domain [%d]\n",
+ sreg->desc.name, sreg->id);
+ }
+
+ dev_set_drvdata(&sdev->dev, rinfo);
+
+ return 0;
+}
+
+static void scmi_regulator_remove(struct scmi_device *sdev)
+{
+ int d;
+ struct scmi_regulator_info *rinfo;
+
+ rinfo = dev_get_drvdata(&sdev->dev);
+ if (!rinfo)
+ return;
+
+ for (d = 0; d < rinfo->num_doms; d++) {
+ if (!rinfo->sregv[d])
+ continue;
+ of_node_put(rinfo->sregv[d]->of_node);
+ }
+}
+
+static const struct scmi_device_id scmi_regulator_id_table[] = {
+ { SCMI_PROTOCOL_VOLTAGE, "regulator" },
+ { },
+};
+MODULE_DEVICE_TABLE(scmi, scmi_regulator_id_table);
+
+static struct scmi_driver scmi_drv = {
+ .name = "scmi-regulator",
+ .probe = scmi_regulator_probe,
+ .remove = scmi_regulator_remove,
+ .id_table = scmi_regulator_id_table,
+};
+
+module_scmi_driver(scmi_drv);
+
+MODULE_AUTHOR("Cristian Marussi <cristian.marussi@arm.com>");
+MODULE_DESCRIPTION("ARM SCMI regulator driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 8957ed2..6603e00 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -208,7 +208,7 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da,
return -ENOENT;
}
-static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct imx_rproc *priv = rproc->priv;
void *va = NULL;
diff --git a/drivers/remoteproc/ingenic_rproc.c b/drivers/remoteproc/ingenic_rproc.c
index 1c2b21a..f305461 100644
--- a/drivers/remoteproc/ingenic_rproc.c
+++ b/drivers/remoteproc/ingenic_rproc.c
@@ -116,7 +116,7 @@ static void ingenic_rproc_kick(struct rproc *rproc, int vqid)
writel(vqid, vpu->aux_base + REG_CORE_MSG);
}
-static void *ingenic_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *ingenic_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct vpu *vpu = rproc->priv;
void __iomem *va = NULL;
diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c
index cd26616..54781f5 100644
--- a/drivers/remoteproc/keystone_remoteproc.c
+++ b/drivers/remoteproc/keystone_remoteproc.c
@@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid)
* can be used either by the remoteproc core for loading (when using kernel
* remoteproc loader), or by any rpmsg bus drivers.
*/
-static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct keystone_rproc *ksproc = rproc->priv;
void __iomem *va = NULL;
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 63c501a..6d828a2 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -257,7 +257,7 @@ static int scp_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
}
/* grab the kernel address for this device address */
- ptr = (void __iomem *)rproc_da_to_va(rproc, da, memsz);
+ ptr = (void __iomem *)rproc_da_to_va(rproc, da, memsz, NULL);
if (!ptr) {
dev_err(dev, "bad phdr da 0x%x mem 0x%x\n", da, memsz);
ret = -EINVAL;
@@ -404,7 +404,7 @@ static int scp_start(struct rproc *rproc)
return ret;
}
-static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct mtk_scp *scp = (struct mtk_scp *)rproc->priv;
int offset;
@@ -532,7 +532,7 @@ void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr)
{
void *ptr;
- ptr = scp_da_to_va(scp->rproc, mem_addr, 0);
+ ptr = scp_da_to_va(scp->rproc, mem_addr, 0, NULL);
if (!ptr)
return ERR_PTR(-EINVAL);
diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c
index d94b739..43531ca 100644
--- a/drivers/remoteproc/omap_remoteproc.c
+++ b/drivers/remoteproc/omap_remoteproc.c
@@ -728,7 +728,7 @@ static int omap_rproc_stop(struct rproc *rproc)
* Return: translated virtual address in kernel memory space on success,
* or NULL on failure.
*/
-static void *omap_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *omap_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct omap_rproc *oproc = rproc->priv;
int i;
diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index 9eb5997..44aebfc 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -281,7 +281,7 @@ static int adsp_stop(struct rproc *rproc)
return ret;
}
-static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
int offset;
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 0678b41..47fb1fa 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -233,7 +233,7 @@ static int adsp_stop(struct rproc *rproc)
return ret;
}
-static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
int offset;
diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index 8846ef0..c87be7a 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -410,7 +410,7 @@ static int q6v5_wcss_stop(struct rproc *rproc)
return 0;
}
-static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct q6v5_wcss *wcss = rproc->priv;
int offset;
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index e2573f7..e250168 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -295,7 +295,7 @@ static int wcnss_stop(struct rproc *rproc)
return ret;
}
-static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;
int offset;
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 369a97f..bd9ccf9 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -39,6 +39,7 @@
#include <linux/virtio_ring.h>
#include <asm/byteorder.h>
#include <linux/platform_device.h>
+#include <trace/hooks/remoteproc.h>
#include "remoteproc_internal.h"
@@ -189,13 +190,13 @@ EXPORT_SYMBOL(rproc_va_to_pa);
* here the output of the DMA API for the carveouts, which should be more
* correct.
*/
-void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct rproc_mem_entry *carveout;
void *ptr = NULL;
if (rproc->ops->da_to_va) {
- ptr = rproc->ops->da_to_va(rproc, da, len);
+ ptr = rproc->ops->da_to_va(rproc, da, len, is_iomem);
if (ptr)
goto out;
}
@@ -217,6 +218,9 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
ptr = carveout->va + offset;
+ if (is_iomem)
+ *is_iomem = carveout->is_iomem;
+
break;
}
@@ -482,7 +486,7 @@ static int copy_dma_range_map(struct device *to, struct device *from)
/**
* rproc_handle_vdev() - handle a vdev fw resource
* @rproc: the remote processor
- * @rsc: the vring resource descriptor
+ * @ptr: the vring resource descriptor
* @offset: offset of the resource entry
* @avail: size of available data (for sanity checking the image)
*
@@ -507,9 +511,10 @@ static int copy_dma_range_map(struct device *to, struct device *from)
*
* Returns 0 on success, or an appropriate error code otherwise
*/
-static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc,
+static int rproc_handle_vdev(struct rproc *rproc, void *ptr,
int offset, int avail)
{
+ struct fw_rsc_vdev *rsc = ptr;
struct device *dev = &rproc->dev;
struct rproc_vdev *rvdev;
int i, ret;
@@ -629,7 +634,7 @@ void rproc_vdev_release(struct kref *ref)
/**
* rproc_handle_trace() - handle a shared trace buffer resource
* @rproc: the remote processor
- * @rsc: the trace resource descriptor
+ * @ptr: the trace resource descriptor
* @offset: offset of the resource entry
* @avail: size of available data (for sanity checking the image)
*
@@ -643,9 +648,10 @@ void rproc_vdev_release(struct kref *ref)
*
* Returns 0 on success, or an appropriate error code otherwise
*/
-static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc,
+static int rproc_handle_trace(struct rproc *rproc, void *ptr,
int offset, int avail)
{
+ struct fw_rsc_trace *rsc = ptr;
struct rproc_debug_trace *trace;
struct device *dev = &rproc->dev;
char name[15];
@@ -695,7 +701,7 @@ static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc,
/**
* rproc_handle_devmem() - handle devmem resource entry
* @rproc: remote processor handle
- * @rsc: the devmem resource entry
+ * @ptr: the devmem resource entry
* @offset: offset of the resource entry
* @avail: size of available data (for sanity checking the image)
*
@@ -718,9 +724,10 @@ static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc,
* and not allow firmwares to request access to physical addresses that
* are outside those ranges.
*/
-static int rproc_handle_devmem(struct rproc *rproc, struct fw_rsc_devmem *rsc,
+static int rproc_handle_devmem(struct rproc *rproc, void *ptr,
int offset, int avail)
{
+ struct fw_rsc_devmem *rsc = ptr;
struct rproc_mem_entry *mapping;
struct device *dev = &rproc->dev;
int ret;
@@ -898,7 +905,7 @@ static int rproc_release_carveout(struct rproc *rproc,
/**
* rproc_handle_carveout() - handle phys contig memory allocation requests
* @rproc: rproc handle
- * @rsc: the resource entry
+ * @ptr: the resource entry
* @offset: offset of the resource entry
* @avail: size of available data (for image validation)
*
@@ -915,9 +922,9 @@ static int rproc_release_carveout(struct rproc *rproc,
* pressure is important; it may have a substantial impact on performance.
*/
static int rproc_handle_carveout(struct rproc *rproc,
- struct fw_rsc_carveout *rsc,
- int offset, int avail)
+ void *ptr, int offset, int avail)
{
+ struct fw_rsc_carveout *rsc = ptr;
struct rproc_mem_entry *carveout;
struct device *dev = &rproc->dev;
@@ -1099,10 +1106,10 @@ EXPORT_SYMBOL(rproc_of_parse_firmware);
* enum fw_resource_type.
*/
static rproc_handle_resource_t rproc_loading_handlers[RSC_LAST] = {
- [RSC_CARVEOUT] = (rproc_handle_resource_t)rproc_handle_carveout,
- [RSC_DEVMEM] = (rproc_handle_resource_t)rproc_handle_devmem,
- [RSC_TRACE] = (rproc_handle_resource_t)rproc_handle_trace,
- [RSC_VDEV] = (rproc_handle_resource_t)rproc_handle_vdev,
+ [RSC_CARVEOUT] = rproc_handle_carveout,
+ [RSC_DEVMEM] = rproc_handle_devmem,
+ [RSC_TRACE] = rproc_handle_trace,
+ [RSC_VDEV] = rproc_handle_vdev,
};
/* handle firmware resource entries before booting the remote processor */
@@ -1706,7 +1713,7 @@ int rproc_trigger_recovery(struct rproc *rproc)
goto unlock_mutex;
/* generate coredump */
- rproc_coredump(rproc);
+ rproc->ops->coredump(rproc);
/* load firmware */
ret = request_firmware(&firmware_p, rproc->firmware, dev);
@@ -1721,6 +1728,7 @@ int rproc_trigger_recovery(struct rproc *rproc)
release_firmware(firmware_p);
unlock_mutex:
+ trace_android_vh_rproc_recovery(rproc);
mutex_unlock(&rproc->lock);
return ret;
}
@@ -1998,6 +2006,11 @@ int rproc_add(struct rproc *rproc)
struct device *dev = &rproc->dev;
int ret;
+ /* add char device for this remoteproc */
+ ret = rproc_char_device_add(rproc);
+ if (ret < 0)
+ return ret;
+
ret = device_add(dev);
if (ret < 0)
return ret;
@@ -2011,11 +2024,6 @@ int rproc_add(struct rproc *rproc)
/* create debugfs entries */
rproc_create_debug_dir(rproc);
- /* add char device for this remoteproc */
- ret = rproc_char_device_add(rproc);
- if (ret < 0)
- return ret;
-
/*
* Remind ourselves the remote processor has been attached to rather
* than booted by the remoteproc core. This is important because the
@@ -2128,6 +2136,10 @@ static int rproc_alloc_ops(struct rproc *rproc, const struct rproc_ops *ops)
if (!rproc->ops)
return -ENOMEM;
+ /* Default to rproc_coredump if no coredump function is specified */
+ if (!rproc->ops->coredump)
+ rproc->ops->coredump = rproc_coredump;
+
if (rproc->ops->load)
return 0;
@@ -2413,8 +2425,8 @@ void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type)
dev_err(&rproc->dev, "crash detected in %s: type %s\n",
rproc->name, rproc_crash_to_string(type));
- /* create a new task to handle the error */
- schedule_work(&rproc->crash_handler);
+ /* Have a worker handle the error; ensure system is not suspended */
+ queue_work(system_freezable_wq, &rproc->crash_handler);
}
EXPORT_SYMBOL(rproc_report_crash);
diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index 34530dc..aa45b68 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -32,6 +32,7 @@ void rproc_coredump_cleanup(struct rproc *rproc)
kfree(entry);
}
}
+EXPORT_SYMBOL(rproc_coredump_cleanup);
/**
* rproc_coredump_add_segment() - add segment of device memory to coredump
@@ -153,18 +154,22 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest,
size_t offset, size_t size)
{
void *ptr;
+ bool is_iomem;
if (segment->dump) {
segment->dump(rproc, segment, dest, offset, size);
} else {
- ptr = rproc_da_to_va(rproc, segment->da + offset, size);
+ ptr = rproc_da_to_va(rproc, segment->da + offset, size, &is_iomem);
if (!ptr) {
dev_err(&rproc->dev,
"invalid copy request for segment %pad with offset %zu and size %zu)\n",
&segment->da, offset, size);
memset(dest, 0xff, size);
} else {
- memcpy(dest, ptr, size);
+ if (is_iomem)
+ memcpy_fromio(dest, ptr, size);
+ else
+ memcpy(dest, ptr, size);
}
}
}
@@ -323,3 +328,144 @@ void rproc_coredump(struct rproc *rproc)
*/
wait_for_completion(&dump_state.dump_done);
}
+EXPORT_SYMBOL(rproc_coredump);
+
+/**
+ * rproc_coredump_using_sections() - perform coredump using section headers
+ * @rproc: rproc handle
+ *
+ * This function will generate an ELF header for the registered sections of
+ * segments and create a devcoredump device associated with rproc. Based on
+ * the coredump configuration this function will directly copy the segments
+ * from device memory to userspace or copy segments from device memory to
+ * a separate buffer, which can then be read by userspace.
+ * The first approach avoids using extra vmalloc memory. But it will stall
+ * recovery flow until dump is read by userspace.
+ */
+void rproc_coredump_using_sections(struct rproc *rproc)
+{
+ struct rproc_dump_segment *segment;
+ void *shdr;
+ void *ehdr;
+ size_t data_size;
+ size_t strtbl_size = 0;
+ size_t strtbl_index = 1;
+ size_t offset;
+ void *data;
+ u8 class = rproc->elf_class;
+ int shnum;
+ struct rproc_coredump_state dump_state;
+ unsigned int dump_conf = rproc->dump_conf;
+ char *str_tbl = "STR_TBL";
+
+ if (list_empty(&rproc->dump_segments) ||
+ dump_conf == RPROC_COREDUMP_DISABLED)
+ return;
+
+ if (class == ELFCLASSNONE) {
+ dev_err(&rproc->dev, "Elf class is not set\n");
+ return;
+ }
+
+ /*
+ * We allocate two extra section headers. The first one is null.
+ * Second section header is for the string table. Also space is
+ * allocated for string table.
+ */
+ data_size = elf_size_of_hdr(class) + 2 * elf_size_of_shdr(class);
+ shnum = 2;
+
+ /* the extra byte is for the null character at index 0 */
+ strtbl_size += strlen(str_tbl) + 2;
+
+ list_for_each_entry(segment, &rproc->dump_segments, node) {
+ data_size += elf_size_of_shdr(class);
+ strtbl_size += strlen(segment->priv) + 1;
+ if (dump_conf == RPROC_COREDUMP_ENABLED)
+ data_size += segment->size;
+ shnum++;
+ }
+
+ data_size += strtbl_size;
+
+ data = vmalloc(data_size);
+ if (!data)
+ return;
+
+ ehdr = data;
+ memset(ehdr, 0, elf_size_of_hdr(class));
+ /* e_ident field is common for both elf32 and elf64 */
+ elf_hdr_init_ident(ehdr, class);
+
+ elf_hdr_set_e_type(class, ehdr, ET_CORE);
+ elf_hdr_set_e_machine(class, ehdr, rproc->elf_machine);
+ elf_hdr_set_e_version(class, ehdr, EV_CURRENT);
+ elf_hdr_set_e_entry(class, ehdr, rproc->bootaddr);
+ elf_hdr_set_e_shoff(class, ehdr, elf_size_of_hdr(class));
+ elf_hdr_set_e_ehsize(class, ehdr, elf_size_of_hdr(class));
+ elf_hdr_set_e_shentsize(class, ehdr, elf_size_of_shdr(class));
+ elf_hdr_set_e_shnum(class, ehdr, shnum);
+ elf_hdr_set_e_shstrndx(class, ehdr, 1);
+
+ /*
+ * The zeroth index of the section header is reserved and is rarely used.
+ * Set the section header as null (SHN_UNDEF) and move to the next one.
+ */
+ shdr = data + elf_hdr_get_e_shoff(class, ehdr);
+ memset(shdr, 0, elf_size_of_shdr(class));
+ shdr += elf_size_of_shdr(class);
+
+ /* Initialize the string table. */
+ offset = elf_hdr_get_e_shoff(class, ehdr) +
+ elf_size_of_shdr(class) * elf_hdr_get_e_shnum(class, ehdr);
+ memset(data + offset, 0, strtbl_size);
+
+ /* Fill in the string table section header. */
+ memset(shdr, 0, elf_size_of_shdr(class));
+ elf_shdr_set_sh_type(class, shdr, SHT_STRTAB);
+ elf_shdr_set_sh_offset(class, shdr, offset);
+ elf_shdr_set_sh_size(class, shdr, strtbl_size);
+ elf_shdr_set_sh_entsize(class, shdr, 0);
+ elf_shdr_set_sh_flags(class, shdr, 0);
+ elf_shdr_set_sh_name(class, shdr, elf_strtbl_add(str_tbl, ehdr, class, &strtbl_index));
+ offset += elf_shdr_get_sh_size(class, shdr);
+ shdr += elf_size_of_shdr(class);
+
+ list_for_each_entry(segment, &rproc->dump_segments, node) {
+ memset(shdr, 0, elf_size_of_shdr(class));
+ elf_shdr_set_sh_type(class, shdr, SHT_PROGBITS);
+ elf_shdr_set_sh_offset(class, shdr, offset);
+ elf_shdr_set_sh_addr(class, shdr, segment->da);
+ elf_shdr_set_sh_size(class, shdr, segment->size);
+ elf_shdr_set_sh_entsize(class, shdr, 0);
+ elf_shdr_set_sh_flags(class, shdr, SHF_WRITE);
+ elf_shdr_set_sh_name(class, shdr,
+ elf_strtbl_add(segment->priv, ehdr, class, &strtbl_index));
+
+ /* No need to copy segments for inline dumps */
+ if (dump_conf == RPROC_COREDUMP_ENABLED)
+ rproc_copy_segment(rproc, data + offset, segment, 0,
+ segment->size);
+ offset += elf_shdr_get_sh_size(class, shdr);
+ shdr += elf_size_of_shdr(class);
+ }
+
+ if (dump_conf == RPROC_COREDUMP_ENABLED) {
+ dev_coredumpv(&rproc->dev, data, data_size, GFP_KERNEL);
+ return;
+ }
+
+ /* Initialize the dump state struct to be used by rproc_coredump_read */
+ dump_state.rproc = rproc;
+ dump_state.header = data;
+ init_completion(&dump_state.dump_done);
+
+ dev_coredumpm(&rproc->dev, NULL, &dump_state, data_size, GFP_KERNEL,
+ rproc_coredump_read, rproc_coredump_free);
+
+ /* Wait until the dump is read and free is called. Data is freed
+ * by devcoredump framework automatically after 5 minutes.
+ */
+ wait_for_completion(&dump_state.dump_done);
+}
+EXPORT_SYMBOL(rproc_coredump_using_sections);
diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index 7e58453..b5a1e3b 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -132,7 +132,7 @@ static ssize_t rproc_trace_read(struct file *filp, char __user *userbuf,
char buf[100];
int len;
- va = rproc_da_to_va(data->rproc, trace->da, trace->len);
+ va = rproc_da_to_va(data->rproc, trace->da, trace->len, NULL);
if (!va) {
len = scnprintf(buf, sizeof(buf), "Trace %s not available\n",
diff --git a/drivers/remoteproc/remoteproc_elf_helpers.h b/drivers/remoteproc/remoteproc_elf_helpers.h
index 4b6be7b..26404e6 100644
--- a/drivers/remoteproc/remoteproc_elf_helpers.h
+++ b/drivers/remoteproc/remoteproc_elf_helpers.h
@@ -65,6 +65,7 @@ ELF_GEN_FIELD_GET_SET(hdr, e_type, u16)
ELF_GEN_FIELD_GET_SET(hdr, e_version, u32)
ELF_GEN_FIELD_GET_SET(hdr, e_ehsize, u32)
ELF_GEN_FIELD_GET_SET(hdr, e_phentsize, u16)
+ELF_GEN_FIELD_GET_SET(hdr, e_shentsize, u16)
ELF_GEN_FIELD_GET_SET(phdr, p_paddr, u64)
ELF_GEN_FIELD_GET_SET(phdr, p_vaddr, u64)
@@ -75,6 +76,9 @@ ELF_GEN_FIELD_GET_SET(phdr, p_offset, u64)
ELF_GEN_FIELD_GET_SET(phdr, p_flags, u32)
ELF_GEN_FIELD_GET_SET(phdr, p_align, u64)
+ELF_GEN_FIELD_GET_SET(shdr, sh_type, u32)
+ELF_GEN_FIELD_GET_SET(shdr, sh_flags, u32)
+ELF_GEN_FIELD_GET_SET(shdr, sh_entsize, u16)
ELF_GEN_FIELD_GET_SET(shdr, sh_size, u64)
ELF_GEN_FIELD_GET_SET(shdr, sh_offset, u64)
ELF_GEN_FIELD_GET_SET(shdr, sh_name, u32)
@@ -93,4 +97,26 @@ ELF_STRUCT_SIZE(shdr)
ELF_STRUCT_SIZE(phdr)
ELF_STRUCT_SIZE(hdr)
+static inline unsigned int elf_strtbl_add(const char *name, void *ehdr, u8 class, size_t *index)
+{
+ u16 shstrndx = elf_hdr_get_e_shstrndx(class, ehdr);
+ void *shdr;
+ char *strtab;
+ size_t idx, ret;
+
+ shdr = ehdr + elf_size_of_hdr(class) + shstrndx * elf_size_of_shdr(class);
+ strtab = ehdr + elf_shdr_get_sh_offset(class, shdr);
+ idx = index ? *index : 0;
+ if (!strtab || !name)
+ return 0;
+
+ ret = idx;
+ strcpy((strtab + idx), name);
+ idx += strlen(name) + 1;
+ if (index)
+ *index = idx;
+
+ return ret;
+}
+
#endif /* REMOTEPROC_ELF_LOADER_H */
diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index df68d87..1142358 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -175,6 +175,7 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
u64 offset = elf_phdr_get_p_offset(class, phdr);
u32 type = elf_phdr_get_p_type(class, phdr);
void *ptr;
+ bool is_iomem;
if (type != PT_LOAD)
continue;
@@ -204,7 +205,7 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
}
/* grab the kernel address for this device address */
- ptr = rproc_da_to_va(rproc, da, memsz);
+ ptr = rproc_da_to_va(rproc, da, memsz, &is_iomem);
if (!ptr) {
dev_err(dev, "bad phdr da 0x%llx mem 0x%llx\n", da,
memsz);
@@ -213,8 +214,12 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
}
/* put the segment where the remote processor expects it */
- if (filesz)
- memcpy(ptr, elf_data + offset, filesz);
+ if (filesz) {
+ if (is_iomem)
+ memcpy_fromio(ptr, (void __iomem *)(elf_data + offset), filesz);
+ else
+ memcpy(ptr, elf_data + offset, filesz);
+ }
/*
* Zero out remaining memory for this segment.
@@ -223,8 +228,12 @@ int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw)
* did this for us. albeit harmless, we may consider removing
* this.
*/
- if (memsz > filesz)
- memset(ptr + filesz, 0, memsz - filesz);
+ if (memsz > filesz) {
+ if (is_iomem)
+ memset_io((void __iomem *)(ptr + filesz), 0, memsz - filesz);
+ else
+ memset(ptr + filesz, 0, memsz - filesz);
+ }
}
return ret;
@@ -377,6 +386,6 @@ struct resource_table *rproc_elf_find_loaded_rsc_table(struct rproc *rproc,
return NULL;
}
- return rproc_da_to_va(rproc, sh_addr, sh_size);
+ return rproc_da_to_va(rproc, sh_addr, sh_size, NULL);
}
EXPORT_SYMBOL(rproc_elf_find_loaded_rsc_table);
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index c340028..b8bd681 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -49,10 +49,6 @@ extern struct class rproc_class;
int rproc_init_sysfs(void);
void rproc_exit_sysfs(void);
-/* from remoteproc_coredump.c */
-void rproc_coredump_cleanup(struct rproc *rproc);
-void rproc_coredump(struct rproc *rproc);
-
#ifdef CONFIG_REMOTEPROC_CDEV
void rproc_init_cdev(void);
void rproc_exit_cdev(void);
@@ -84,7 +80,7 @@ static inline void rproc_char_device_remove(struct rproc *rproc)
void rproc_free_vring(struct rproc_vring *rvring);
int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
-void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
+void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem);
phys_addr_t rproc_va_to_pa(void *cpu_addr);
int rproc_trigger_recovery(struct rproc *rproc);
diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
index d1cf7bf..e3dc6ee 100644
--- a/drivers/remoteproc/remoteproc_sysfs.c
+++ b/drivers/remoteproc/remoteproc_sysfs.c
@@ -5,6 +5,7 @@
#include <linux/remoteproc.h>
#include <linux/slab.h>
+#include <trace/hooks/remoteproc.h>
#include "remoteproc_internal.h"
@@ -51,9 +52,11 @@ static ssize_t recovery_store(struct device *dev,
if (sysfs_streq(buf, "enabled")) {
/* change the flag and begin the recovery process if needed */
rproc->recovery_disabled = false;
+ trace_android_vh_rproc_recovery_set(rproc);
rproc_trigger_recovery(rproc);
} else if (sysfs_streq(buf, "disabled")) {
rproc->recovery_disabled = true;
+ trace_android_vh_rproc_recovery_set(rproc);
} else if (sysfs_streq(buf, "recover")) {
/* begin the recovery process without changing the flag */
rproc_trigger_recovery(rproc);
diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
index 09bcb4d..22096ad 100644
--- a/drivers/remoteproc/st_slim_rproc.c
+++ b/drivers/remoteproc/st_slim_rproc.c
@@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc)
return 0;
}
-static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct st_slim_rproc *slim_rproc = rproc->priv;
void *va = NULL;
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index 863c021..fd4eb67 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -354,7 +354,7 @@ static int k3_dsp_rproc_stop(struct rproc *rproc)
* can be used either by the remoteproc core for loading (when using kernel
* remoteproc loader), or by any rpmsg bus drivers.
*/
-static void *k3_dsp_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *k3_dsp_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct k3_dsp_rproc *kproc = rproc->priv;
void __iomem *va = NULL;
diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
index afeb9d6..7db9089 100644
--- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
@@ -557,7 +557,7 @@ static int k3_r5_rproc_stop(struct rproc *rproc)
* present in a DSP or IPU device). The translated addresses can be used
* either by the remoteproc core for loading, or by any rpmsg bus drivers.
*/
-static void *k3_r5_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *k3_r5_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct k3_r5_rproc *kproc = rproc->priv;
struct k3_r5_core *core = kproc->core;
diff --git a/drivers/remoteproc/wkup_m3_rproc.c b/drivers/remoteproc/wkup_m3_rproc.c
index b9349d6..45c6035 100644
--- a/drivers/remoteproc/wkup_m3_rproc.c
+++ b/drivers/remoteproc/wkup_m3_rproc.c
@@ -80,7 +80,7 @@ static int wkup_m3_rproc_stop(struct rproc *rproc)
return 0;
}
-static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
+static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem)
{
struct wkup_m3_rproc *wkupm3 = rproc->priv;
void *va = NULL;
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 147543a..2dca113 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -97,7 +97,8 @@
This enables the reset controller driver for NXP LPC18xx/43xx SoCs.
config RESET_MESON
- bool "Meson Reset Driver" if COMPILE_TEST
+ tristate "Meson Reset Driver"
+ depends on ARCH_MESON || COMPILE_TEST
default ARCH_MESON
help
This enables the reset driver for Amlogic Meson SoCs.
diff --git a/drivers/reset/reset-meson.c b/drivers/reset/reset-meson.c
index 94d7ba8..c9bc325 100644
--- a/drivers/reset/reset-meson.c
+++ b/drivers/reset/reset-meson.c
@@ -9,6 +9,7 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/of.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
#include <linux/slab.h>
@@ -104,6 +105,7 @@ static const struct of_device_id meson_reset_dt_ids[] = {
{ .compatible = "amlogic,meson-a1-reset", .data = &meson_a1_param},
{ /* sentinel */ },
};
+MODULE_DEVICE_TABLE(of, meson_reset_dt_ids);
static int meson_reset_probe(struct platform_device *pdev)
{
@@ -142,4 +144,8 @@ static struct platform_driver meson_reset_driver = {
.of_match_table = meson_reset_dt_ids,
},
};
-builtin_platform_driver(meson_reset_driver);
+module_platform_driver(meson_reset_driver);
+
+MODULE_DESCRIPTION("Amlogic Meson Reset Controller driver");
+MODULE_AUTHOR("Neil Armstrong <narmstrong@baylibre.com>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/reset/reset-scmi.c b/drivers/reset/reset-scmi.c
index 8d3a858..161846e 100644
--- a/drivers/reset/reset-scmi.c
+++ b/drivers/reset/reset-scmi.c
@@ -2,7 +2,7 @@
/*
* ARM System Control and Management Interface (ARM SCMI) reset driver
*
- * Copyright (C) 2019 ARM Ltd.
+ * Copyright (C) 2019-2020 ARM Ltd.
*/
#include <linux/module.h>
@@ -11,18 +11,20 @@
#include <linux/reset-controller.h>
#include <linux/scmi_protocol.h>
+static const struct scmi_reset_proto_ops *reset_ops;
+
/**
* struct scmi_reset_data - reset controller information structure
* @rcdev: reset controller entity
- * @handle: ARM SCMI handle used for communication with system controller
+ * @ph: ARM SCMI protocol handle used for communication with system controller
*/
struct scmi_reset_data {
struct reset_controller_dev rcdev;
- const struct scmi_handle *handle;
+ const struct scmi_protocol_handle *ph;
};
#define to_scmi_reset_data(p) container_of((p), struct scmi_reset_data, rcdev)
-#define to_scmi_handle(p) (to_scmi_reset_data(p)->handle)
+#define to_scmi_handle(p) (to_scmi_reset_data(p)->ph)
/**
* scmi_reset_assert() - assert device reset
@@ -37,9 +39,9 @@ struct scmi_reset_data {
static int
scmi_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
{
- const struct scmi_handle *handle = to_scmi_handle(rcdev);
+ const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev);
- return handle->reset_ops->assert(handle, id);
+ return reset_ops->assert(ph, id);
}
/**
@@ -55,9 +57,9 @@ scmi_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
static int
scmi_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
{
- const struct scmi_handle *handle = to_scmi_handle(rcdev);
+ const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev);
- return handle->reset_ops->deassert(handle, id);
+ return reset_ops->deassert(ph, id);
}
/**
@@ -73,9 +75,9 @@ scmi_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
static int
scmi_reset_reset(struct reset_controller_dev *rcdev, unsigned long id)
{
- const struct scmi_handle *handle = to_scmi_handle(rcdev);
+ const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev);
- return handle->reset_ops->reset(handle, id);
+ return reset_ops->reset(ph, id);
}
static const struct reset_control_ops scmi_reset_ops = {
@@ -90,10 +92,15 @@ static int scmi_reset_probe(struct scmi_device *sdev)
struct device *dev = &sdev->dev;
struct device_node *np = dev->of_node;
const struct scmi_handle *handle = sdev->handle;
+ struct scmi_protocol_handle *ph;
- if (!handle || !handle->reset_ops)
+ if (!handle)
return -ENODEV;
+ reset_ops = handle->devm_get_protocol(sdev, SCMI_PROTOCOL_RESET, &ph);
+ if (IS_ERR(reset_ops))
+ return PTR_ERR(reset_ops);
+
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -101,8 +108,8 @@ static int scmi_reset_probe(struct scmi_device *sdev)
data->rcdev.ops = &scmi_reset_ops;
data->rcdev.owner = THIS_MODULE;
data->rcdev.of_node = np;
- data->rcdev.nr_resets = handle->reset_ops->num_domains_get(handle);
- data->handle = handle;
+ data->rcdev.nr_resets = reset_ops->num_domains_get(ph);
+ data->ph = ph;
return devm_reset_controller_register(dev, &data->rcdev);
}
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 91de940..e6eb5a1 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -283,6 +283,42 @@ int rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst,
}
EXPORT_SYMBOL(rpmsg_trysend_offchannel);
+/**
+ * rpmsg_get_signals() - get the signals for this endpoint
+ * @ept: the rpmsg endpoint
+ *
+ * Returns signal bits on success and an appropriate error value on failure.
+ */
+int rpmsg_get_signals(struct rpmsg_endpoint *ept)
+{
+ if (WARN_ON(!ept))
+ return -EINVAL;
+ if (!ept->ops->get_signals)
+ return -ENXIO;
+
+ return ept->ops->get_signals(ept);
+}
+EXPORT_SYMBOL(rpmsg_get_signals);
+
+/**
+ * rpmsg_set_signals() - set the remote signals for this endpoint
+ * @ept: the rpmsg endpoint
+ * @set: set mask for signals
+ * @clear: clear mask for signals
+ *
+ * Returns 0 on success and an appropriate error value on failure.
+ */
+int rpmsg_set_signals(struct rpmsg_endpoint *ept, u32 set, u32 clear)
+{
+ if (WARN_ON(!ept))
+ return -EINVAL;
+ if (!ept->ops->set_signals)
+ return -ENXIO;
+
+ return ept->ops->set_signals(ept, set, clear);
+}
+EXPORT_SYMBOL(rpmsg_set_signals);
+
/*
* match a rpmsg channel with a channel info struct.
* this is used to make sure we're not creating rpmsg devices for channels
@@ -468,6 +504,10 @@ static int rpmsg_dev_probe(struct device *dev)
rpdev->ept = ept;
rpdev->src = ept->addr;
+
+ if (rpdrv->signals)
+ ept->sig_cb = rpdrv->signals;
+
}
err = rpdrv->probe(rpdev);
diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
index 3fc83cd..03356e8 100644
--- a/drivers/rpmsg/rpmsg_internal.h
+++ b/drivers/rpmsg/rpmsg_internal.h
@@ -2,6 +2,7 @@
/*
* remote processor messaging bus internals
*
+ * Copyright (c) 2020 The Linux Foundation.
* Copyright (C) 2011 Texas Instruments, Inc.
* Copyright (C) 2011 Google, Inc.
*
@@ -47,6 +48,8 @@ struct rpmsg_device_ops {
* @trysendto: see @rpmsg_trysendto(), optional
* @trysend_offchannel: see @rpmsg_trysend_offchannel(), optional
* @poll: see @rpmsg_poll(), optional
+ * @get_signals: see @rpmsg_get_signals(), optional
+ * @set_signals: see @rpmsg_set_signals(), optional
*
* Indirection table for the operations that a rpmsg backend should implement.
* In addition to @destroy_ept, the backend must at least implement @send and
@@ -66,6 +69,8 @@ struct rpmsg_endpoint_ops {
void *data, int len);
__poll_t (*poll)(struct rpmsg_endpoint *ept, struct file *filp,
poll_table *wait);
+ int (*get_signals)(struct rpmsg_endpoint *ept);
+ int (*set_signals)(struct rpmsg_endpoint *ept, u32 set, u32 clear);
};
int rpmsg_register_device(struct rpmsg_device *rpdev);
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index ebe03eb..87c9384 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -137,7 +137,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id)
return ret;
}
-static int pl030_remove(struct amba_device *dev)
+static void pl030_remove(struct amba_device *dev)
{
struct pl030_rtc *rtc = amba_get_drvdata(dev);
@@ -146,8 +146,6 @@ static int pl030_remove(struct amba_device *dev)
free_irq(dev->irq[0], rtc);
iounmap(rtc->base);
amba_release_regions(dev);
-
- return 0;
}
static struct amba_id pl030_ids[] = {
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index d4b2ab7..2f5581e 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -280,7 +280,7 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
return 0;
}
-static int pl031_remove(struct amba_device *adev)
+static void pl031_remove(struct amba_device *adev)
{
struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
@@ -289,8 +289,6 @@ static int pl031_remove(struct amba_device *adev)
if (adev->irq[0])
free_irq(adev->irq[0], ldata);
amba_release_regions(adev);
-
- return 0;
}
static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index 9e06628..78f9adf 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -70,7 +70,7 @@ static void vmcp_response_alloc(struct vmcp_session *session)
* anymore the system won't work anyway.
*/
if (order > 2)
- page = cma_alloc(vmcp_cma, nr_pages, 0, false);
+ page = cma_alloc(vmcp_cma, nr_pages, 0, GFP_KERNEL);
if (page) {
session->response = (char *)page_to_phys(page);
session->cma_alloc = 1;
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index d664c46..6d5a8c5 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -220,10 +220,6 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
goto fail;
}
- /* Use min_t(int, ...) in case shost->can_queue exceeds SHRT_MAX */
- shost->cmd_per_lun = min_t(int, shost->cmd_per_lun,
- shost->can_queue);
-
error = scsi_init_sense_cache(shost);
if (error)
goto fail;
@@ -232,6 +228,12 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
if (error)
goto fail;
+ shost->can_queue = shost->tag_set.queue_depth;
+
+ /* Use min_t(int, ...) in case shost->can_queue exceeds SHRT_MAX */
+ shost->cmd_per_lun = min_t(int, shost->cmd_per_lun,
+ shost->can_queue);
+
if (!shost->shost_gendev.parent)
shost->shost_gendev.parent = dev ? dev : &platform_bus;
if (!dma_dev)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 6f3d29d..3dfdc7d 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1907,6 +1907,10 @@ int scsi_mq_setup_tags(struct Scsi_Host *shost)
tag_set->ops = &scsi_mq_ops_no_commit;
tag_set->nr_hw_queues = shost->nr_hw_queues ? : 1;
tag_set->queue_depth = shost->can_queue;
+ if (shost->hostt->name && strcmp(shost->hostt->name, "ufshcd") == 0) {
+ tag_set->queue_depth--;
+ tag_set->reserved_tags++;
+ }
tag_set->cmd_size = cmd_size;
tag_set->numa_node = NUMA_NO_NODE;
tag_set->flags = BLK_MQ_F_SHOULD_MERGE;
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index b59136c..c76f7c9 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -125,6 +125,9 @@ struct scsi_disk {
unsigned urswrz : 1;
unsigned security : 1;
unsigned ignore_medium_access_errors : 1;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig
index c339517..8790001 100644
--- a/drivers/scsi/ufs/Kconfig
+++ b/drivers/scsi/ufs/Kconfig
@@ -115,6 +115,7 @@
tristate "Mediatek specific hooks to UFS controller platform driver"
depends on SCSI_UFSHCD_PLATFORM && ARCH_MEDIATEK
select PHY_MTK_UFS
+ select RESET_TI_SYSCON
help
This selects the Mediatek specific additions to UFSHCD platform driver.
UFS host on Mediatek needs some vendor specific configuration before
@@ -182,3 +183,12 @@
Enabling this makes it possible for the kernel to use the crypto
capabilities of the UFS device (if present) to perform crypto
operations on data being transferred to/from the device.
+
+config SCSI_UFS_HPB
+ bool "Support UFS Host Performance Booster"
+ depends on SCSI_UFSHCD
+ help
+ The UFS HPB feature improves random read performance. It caches
+ L2P (logical to physical) map of UFS to host DRAM. The driver uses HPB
+ read command by piggybacking physical page number for bypassing FTL (flash
+ translation layer)'s L2P address translation.
diff --git a/drivers/scsi/ufs/Makefile b/drivers/scsi/ufs/Makefile
index 4679af1..cce9b39 100644
--- a/drivers/scsi/ufs/Makefile
+++ b/drivers/scsi/ufs/Makefile
@@ -1,5 +1,15 @@
# SPDX-License-Identifier: GPL-2.0
# UFSHCD makefile
+
+# The link order is important here. ufshcd-core must initialize
+# before vendor drivers.
+obj-$(CONFIG_SCSI_UFSHCD) += ufshcd-core.o
+ufshcd-core-y += ufshcd.o ufs-sysfs.o
+ufshcd-core-$(CONFIG_DEBUG_FS) += ufs-debugfs.o
+ufshcd-core-$(CONFIG_SCSI_UFS_BSG) += ufs_bsg.o
+ufshcd-core-$(CONFIG_SCSI_UFS_CRYPTO) += ufshcd-crypto.o
+ufshcd-core-$(CONFIG_SCSI_UFS_HPB) += ufshpb.o
+
obj-$(CONFIG_SCSI_UFS_DWC_TC_PCI) += tc-dwc-g210-pci.o ufshcd-dwc.o tc-dwc-g210.o
obj-$(CONFIG_SCSI_UFS_DWC_TC_PLATFORM) += tc-dwc-g210-pltfrm.o ufshcd-dwc.o tc-dwc-g210.o
obj-$(CONFIG_SCSI_UFS_CDNS_PLATFORM) += cdns-pltfrm.o
@@ -7,10 +17,6 @@
ufs_qcom-y += ufs-qcom.o
ufs_qcom-$(CONFIG_SCSI_UFS_CRYPTO) += ufs-qcom-ice.o
obj-$(CONFIG_SCSI_UFS_EXYNOS) += ufs-exynos.o
-obj-$(CONFIG_SCSI_UFSHCD) += ufshcd-core.o
-ufshcd-core-y += ufshcd.o ufs-sysfs.o
-ufshcd-core-$(CONFIG_SCSI_UFS_BSG) += ufs_bsg.o
-ufshcd-core-$(CONFIG_SCSI_UFS_CRYPTO) += ufshcd-crypto.o
obj-$(CONFIG_SCSI_UFSHCD_PCI) += ufshcd-pci.o
obj-$(CONFIG_SCSI_UFSHCD_PLATFORM) += ufshcd-pltfrm.o
obj-$(CONFIG_SCSI_UFS_HISI) += ufs-hisi.o
diff --git a/drivers/scsi/ufs/ufs-debugfs.c b/drivers/scsi/ufs/ufs-debugfs.c
new file mode 100644
index 0000000..dee98dc
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-debugfs.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2020 Intel Corporation
+
+#include <linux/debugfs.h>
+
+#include "ufs-debugfs.h"
+#include "ufshcd.h"
+
+static struct dentry *ufs_debugfs_root;
+
+void __init ufs_debugfs_init(void)
+{
+ ufs_debugfs_root = debugfs_create_dir("ufshcd", NULL);
+}
+
+void __exit ufs_debugfs_exit(void)
+{
+ debugfs_remove_recursive(ufs_debugfs_root);
+}
+
+static int ufs_debugfs_stats_show(struct seq_file *s, void *data)
+{
+ struct ufs_hba *hba = s->private;
+ struct ufs_event_hist *e = hba->ufs_stats.event;
+
+#define PRT(fmt, typ) \
+ seq_printf(s, fmt, e[UFS_EVT_ ## typ].cnt)
+
+ PRT("PHY Adapter Layer errors (except LINERESET): %llu\n", PA_ERR);
+ PRT("Data Link Layer errors: %llu\n", DL_ERR);
+ PRT("Network Layer errors: %llu\n", NL_ERR);
+ PRT("Transport Layer errors: %llu\n", TL_ERR);
+ PRT("Generic DME errors: %llu\n", DME_ERR);
+ PRT("Auto-hibernate errors: %llu\n", AUTO_HIBERN8_ERR);
+ PRT("IS Fatal errors (CEFES, SBFES, HCFES, DFES): %llu\n", FATAL_ERR);
+ PRT("DME Link Startup errors: %llu\n", LINK_STARTUP_FAIL);
+ PRT("PM Resume errors: %llu\n", RESUME_ERR);
+ PRT("PM Suspend errors : %llu\n", SUSPEND_ERR);
+ PRT("Logical Unit Resets: %llu\n", DEV_RESET);
+ PRT("Host Resets: %llu\n", HOST_RESET);
+ PRT("SCSI command aborts: %llu\n", ABORT);
+#undef PRT
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(ufs_debugfs_stats);
+
+void ufs_debugfs_hba_init(struct ufs_hba *hba)
+{
+ hba->debugfs_root = debugfs_create_dir(dev_name(hba->dev), ufs_debugfs_root);
+ debugfs_create_file("stats", 0400, hba->debugfs_root, hba, &ufs_debugfs_stats_fops);
+}
+
+void ufs_debugfs_hba_exit(struct ufs_hba *hba)
+{
+ debugfs_remove_recursive(hba->debugfs_root);
+}
diff --git a/drivers/scsi/ufs/ufs-debugfs.h b/drivers/scsi/ufs/ufs-debugfs.h
new file mode 100644
index 0000000..f35b39c
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-debugfs.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2020 Intel Corporation
+ */
+
+#ifndef __UFS_DEBUGFS_H__
+#define __UFS_DEBUGFS_H__
+
+struct ufs_hba;
+
+#ifdef CONFIG_DEBUG_FS
+void __init ufs_debugfs_init(void);
+void __exit ufs_debugfs_exit(void);
+void ufs_debugfs_hba_init(struct ufs_hba *hba);
+void ufs_debugfs_hba_exit(struct ufs_hba *hba);
+#else
+static inline void ufs_debugfs_init(void) {}
+static inline void ufs_debugfs_exit(void) {}
+static inline void ufs_debugfs_hba_init(struct ufs_hba *hba) {}
+static inline void ufs_debugfs_hba_exit(struct ufs_hba *hba) {}
+#endif
+
+#endif
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 0246ea9..d929bcd 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -1261,7 +1261,8 @@ struct exynos_ufs_drv_data exynos_ufs_drvs = {
EXYNOS_UFS_OPT_BROKEN_AUTO_CLK_CTRL |
EXYNOS_UFS_OPT_BROKEN_RX_SEL_IDX |
EXYNOS_UFS_OPT_SKIP_CONNECTION_ESTAB |
- EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER,
+ EXYNOS_UFS_OPT_USE_SW_HIBERN8_TIMER |
+ UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE,
.drv_init = exynos7_ufs_drv_init,
.pre_link = exynos7_ufs_pre_link,
.post_link = exynos7_ufs_post_link,
diff --git a/drivers/scsi/ufs/ufs-mediatek-trace.h b/drivers/scsi/ufs/ufs-mediatek-trace.h
new file mode 100644
index 0000000..895e82e
--- /dev/null
+++ b/drivers/scsi/ufs/ufs-mediatek-trace.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 MediaTek Inc.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ufs_mtk
+
+#if !defined(_TRACE_EVENT_UFS_MEDIATEK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EVENT_UFS_MEDIATEK_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(ufs_mtk_event,
+ TP_PROTO(unsigned int type, unsigned int data),
+ TP_ARGS(type, data),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, type)
+ __field(unsigned int, data)
+ ),
+
+ TP_fast_assign(
+ __entry->type = type;
+ __entry->data = data;
+ ),
+
+ TP_printk("ufs:event=%u data=%u",
+ __entry->type, __entry->data)
+ );
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_PATH ../../drivers/scsi/ufs/
+#define TRACE_INCLUDE_FILE ufs-mediatek-trace
+#include <trace/define_trace.h>
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index aace133..ca0ebb2 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -24,10 +24,16 @@
#include "unipro.h"
#include "ufs-mediatek.h"
+#define CREATE_TRACE_POINTS
+#include "ufs-mediatek-trace.h"
+
#define ufs_mtk_smc(cmd, val, res) \
arm_smccc_smc(MTK_SIP_UFS_CONTROL, \
cmd, val, 0, 0, 0, 0, 0, &(res))
+#define ufs_mtk_va09_pwr_ctrl(res, on) \
+ ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, on, res)
+
#define ufs_mtk_crypto_ctrl(res, enable) \
ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, enable, res)
@@ -45,18 +51,8 @@ static struct ufs_dev_fix ufs_mtk_dev_fixups[] = {
END_FIX
};
-static const struct ufs_mtk_host_cfg ufs_mtk_mt8192_cfg = {
- .caps = UFS_MTK_CAP_BOOST_CRYPT_ENGINE,
-};
-
static const struct of_device_id ufs_mtk_of_match[] = {
- {
- .compatible = "mediatek,mt8183-ufshci",
- },
- {
- .compatible = "mediatek,mt8192-ufshci",
- .data = &ufs_mtk_mt8192_cfg
- },
+ { .compatible = "mediatek,mt8183-ufshci" },
{},
};
@@ -64,7 +60,21 @@ static bool ufs_mtk_is_boost_crypt_enabled(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- return (host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE);
+ return !!(host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE);
+}
+
+static bool ufs_mtk_is_va09_supported(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+ return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL);
+}
+
+static bool ufs_mtk_is_broken_vcc(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+ return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC);
}
static void ufs_mtk_cfg_unipro_cg(struct ufs_hba *hba, bool enable)
@@ -158,6 +168,7 @@ static int ufs_mtk_hce_enable_notify(struct ufs_hba *hba,
enum ufs_notify_change_status status)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+ unsigned long flags;
if (status == PRE_CHANGE) {
if (host->unipro_lpm) {
@@ -169,6 +180,17 @@ static int ufs_mtk_hce_enable_notify(struct ufs_hba *hba,
if (hba->caps & UFSHCD_CAP_CRYPTO)
ufs_mtk_crypto_enable(hba);
+
+ if (host->caps & UFS_MTK_CAP_DISABLE_AH8) {
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ ufshcd_writel(hba, 0,
+ REG_AUTO_HIBERNATE_IDLE_TIMER);
+ spin_unlock_irqrestore(hba->host->host_lock,
+ flags);
+
+ hba->capabilities &= ~MASK_AUTO_HIBERN8_SUPPORT;
+ hba->ahit = 0;
+ }
}
return 0;
@@ -300,21 +322,46 @@ static int ufs_mtk_wait_link_state(struct ufs_hba *hba, u32 state,
return -ETIMEDOUT;
}
-static void ufs_mtk_mphy_power_on(struct ufs_hba *hba, bool on)
+static int ufs_mtk_mphy_power_on(struct ufs_hba *hba, bool on)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
struct phy *mphy = host->mphy;
+ struct arm_smccc_res res;
+ int ret = 0;
- if (!mphy)
- return;
+ if (!mphy || !(on ^ host->mphy_powered_on))
+ return 0;
- if (on && !host->mphy_powered_on)
+ if (on) {
+ if (ufs_mtk_is_va09_supported(hba)) {
+ ret = regulator_enable(host->reg_va09);
+ if (ret < 0)
+ goto out;
+ /* wait 200 us to stablize VA09 */
+ usleep_range(200, 210);
+ ufs_mtk_va09_pwr_ctrl(res, 1);
+ }
phy_power_on(mphy);
- else if (!on && host->mphy_powered_on)
+ } else {
phy_power_off(mphy);
- else
- return;
- host->mphy_powered_on = on;
+ if (ufs_mtk_is_va09_supported(hba)) {
+ ufs_mtk_va09_pwr_ctrl(res, 0);
+ ret = regulator_disable(host->reg_va09);
+ if (ret < 0)
+ goto out;
+ }
+ }
+out:
+ if (ret) {
+ dev_info(hba->dev,
+ "failed to %s va09: %d\n",
+ on ? "enable" : "disable",
+ ret);
+ } else {
+ host->mphy_powered_on = on;
+ }
+
+ return ret;
}
static int ufs_mtk_get_host_clk(struct device *dev, const char *name,
@@ -402,7 +449,7 @@ static int ufs_mtk_init_host_clk(struct ufs_hba *hba, const char *name,
return ret;
}
-static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
+static void ufs_mtk_init_boost_crypt(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
struct ufs_mtk_crypt_cfg *cfg;
@@ -410,11 +457,6 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
struct regulator *reg;
u32 volt;
- host->caps = host->cfg->caps;
-
- if (!ufs_mtk_is_boost_crypt_enabled(hba))
- return;
-
host->crypt = devm_kzalloc(dev, sizeof(*(host->crypt)),
GFP_KERNEL);
if (!host->crypt)
@@ -448,11 +490,41 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
cfg->reg_vcore = reg;
cfg->vcore_volt = volt;
- dev_info(dev, "caps: boost-crypt");
- return;
+ host->caps |= UFS_MTK_CAP_BOOST_CRYPT_ENGINE;
disable_caps:
- host->caps &= ~UFS_MTK_CAP_BOOST_CRYPT_ENGINE;
+ return;
+}
+
+static void ufs_mtk_init_va09_pwr_ctrl(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+ host->reg_va09 = regulator_get(hba->dev, "va09");
+ if (!host->reg_va09)
+ dev_info(hba->dev, "failed to get va09");
+ else
+ host->caps |= UFS_MTK_CAP_VA09_PWR_CTRL;
+}
+
+static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+ struct device_node *np = hba->dev->of_node;
+
+ if (of_property_read_bool(np, "mediatek,ufs-boost-crypt"))
+ ufs_mtk_init_boost_crypt(hba);
+
+ if (of_property_read_bool(np, "mediatek,ufs-support-va09"))
+ ufs_mtk_init_va09_pwr_ctrl(hba);
+
+ if (of_property_read_bool(np, "mediatek,ufs-disable-ah8"))
+ host->caps |= UFS_MTK_CAP_DISABLE_AH8;
+
+ if (of_property_read_bool(np, "mediatek,ufs-broken-vcc"))
+ host->caps |= UFS_MTK_CAP_BROKEN_VCC;
+
+ dev_info(hba->dev, "caps: 0x%x", host->caps);
}
/**
@@ -467,8 +539,8 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on,
enum ufs_notify_change_status status)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
- int ret = 0;
bool clk_pwr_off = false;
+ int ret = 0;
/*
* In case ufs_mtk_init() is not yet done, simply ignore.
@@ -499,10 +571,10 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on,
if (clk_pwr_off) {
ufs_mtk_boost_crypt(hba, on);
ufs_mtk_setup_ref_clk(hba, on);
- ufs_mtk_mphy_power_on(hba, on);
+ phy_power_off(host->mphy);
}
} else if (on && status == POST_CHANGE) {
- ufs_mtk_mphy_power_on(hba, on);
+ phy_power_on(host->mphy);
ufs_mtk_setup_ref_clk(hba, on);
ufs_mtk_boost_crypt(hba, on);
}
@@ -510,6 +582,36 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on,
return ret;
}
+static void ufs_mtk_get_controller_version(struct ufs_hba *hba)
+{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+ int ret, ver = 0;
+
+ if (host->hw_ver.major)
+ return;
+
+ /* Set default (minimum) version anyway */
+ host->hw_ver.major = 2;
+
+ ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_LOCALVERINFO), &ver);
+ if (!ret) {
+ if (ver >= UFS_UNIPRO_VER_1_8) {
+ host->hw_ver.major = 3;
+ /*
+ * Fix HCI version for some platforms with
+ * incorrect version
+ */
+ if (hba->ufs_version < ufshci_version(3, 0))
+ hba->ufs_version = ufshci_version(3, 0);
+ }
+ }
+}
+
+static u32 ufs_mtk_get_ufs_hci_version(struct ufs_hba *hba)
+{
+ return hba->ufs_version;
+}
+
/**
* ufs_mtk_init - find other essential mmio bases
* @hba: host controller instance
@@ -537,17 +639,14 @@ static int ufs_mtk_init(struct ufs_hba *hba)
host->hba = hba;
ufshcd_set_variant(hba, host);
- /* Get host capability and platform data */
id = of_match_device(ufs_mtk_of_match, dev);
if (!id) {
err = -EINVAL;
goto out;
}
- if (id->data) {
- host->cfg = (struct ufs_mtk_host_cfg *)id->data;
- ufs_mtk_init_host_caps(hba);
- }
+ /* Initialize host capability */
+ ufs_mtk_init_host_caps(hba);
err = ufs_mtk_bind_mphy(hba);
if (err)
@@ -569,6 +668,9 @@ static int ufs_mtk_init(struct ufs_hba *hba)
hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL;
hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80);
+ if (host->caps & UFS_MTK_CAP_DISABLE_AH8)
+ hba->caps |= UFSHCD_CAP_HIBERN8_WITH_CLK_GATING;
+
/*
* ufshcd_vops_init() is invoked after
* ufshcd_setup_clock(true) in ufshcd_hba_init() thus
@@ -576,6 +678,7 @@ static int ufs_mtk_init(struct ufs_hba *hba)
*
* Enable phy clocks specifically here.
*/
+ ufs_mtk_mphy_power_on(hba, true);
ufs_mtk_setup_clocks(hba, true, POST_CHANGE);
goto out;
@@ -590,7 +693,9 @@ static int ufs_mtk_pre_pwr_change(struct ufs_hba *hba,
struct ufs_pa_layer_attr *dev_max_params,
struct ufs_pa_layer_attr *dev_req_params)
{
+ struct ufs_mtk_host *host = ufshcd_get_variant(hba);
struct ufs_dev_params host_cap;
+ u32 adapt_val;
int ret;
host_cap.tx_lanes = UFS_MTK_LIMIT_NUM_LANES_TX;
@@ -615,6 +720,16 @@ static int ufs_mtk_pre_pwr_change(struct ufs_hba *hba,
__func__);
}
+ if (host->hw_ver.major >= 3) {
+ if (dev_req_params->gear_tx == UFS_HS_G4)
+ adapt_val = PA_INITIAL_ADAPT;
+ else
+ adapt_val = PA_NO_ADAPT;
+ ufshcd_dme_set(hba,
+ UIC_ARG_MIB(PA_TXHSADAPTTYPE),
+ adapt_val);
+ }
+
return ret;
}
@@ -665,6 +780,8 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba)
int ret;
u32 tmp;
+ ufs_mtk_get_controller_version(hba);
+
ret = ufs_mtk_unipro_set_pm(hba, false);
if (ret)
return ret;
@@ -748,6 +865,9 @@ static int ufs_mtk_device_reset(struct ufs_hba *hba)
{
struct arm_smccc_res res;
+ /* disable hba before device reset */
+ ufshcd_hba_stop(hba);
+
ufs_mtk_device_reset_ctrl(0, res);
/*
@@ -828,43 +948,55 @@ static int ufs_mtk_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
if (ufshcd_is_link_hibern8(hba)) {
err = ufs_mtk_link_set_lpm(hba);
- if (err) {
- /*
- * Set link as off state enforcedly to trigger
- * ufshcd_host_reset_and_restore() in ufshcd_suspend()
- * for completed host reset.
- */
- ufshcd_set_link_off(hba);
- return -EAGAIN;
- }
+ if (err)
+ goto fail;
+ }
+
+ if (!ufshcd_is_link_active(hba)) {
/*
* Make sure no error will be returned to prevent
* ufshcd_suspend() re-enabling regulators while vreg is still
* in low-power mode.
*/
ufs_mtk_vreg_set_lpm(hba, true);
+ err = ufs_mtk_mphy_power_on(hba, false);
+ if (err)
+ goto fail;
}
if (ufshcd_is_link_off(hba))
ufs_mtk_device_reset_ctrl(0, res);
return 0;
+fail:
+ /*
+ * Set link as off state enforcedly to trigger
+ * ufshcd_host_reset_and_restore() in ufshcd_suspend()
+ * for completed host reset.
+ */
+ ufshcd_set_link_off(hba);
+ return -EAGAIN;
}
static int ufs_mtk_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
{
int err;
+ err = ufs_mtk_mphy_power_on(hba, true);
+ if (err)
+ goto fail;
+
+ ufs_mtk_vreg_set_lpm(hba, false);
+
if (ufshcd_is_link_hibern8(hba)) {
- ufs_mtk_vreg_set_lpm(hba, false);
err = ufs_mtk_link_set_hpm(hba);
- if (err) {
- err = ufshcd_link_recovery(hba);
- return err;
- }
+ if (err)
+ goto fail;
}
return 0;
+fail:
+ return ufshcd_link_recovery(hba);
}
static void ufs_mtk_dbg_register_dump(struct ufs_hba *hba)
@@ -908,6 +1040,25 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba)
static void ufs_mtk_fixup_dev_quirks(struct ufs_hba *hba)
{
ufshcd_fixup_dev_quirks(hba, ufs_mtk_dev_fixups);
+
+ if (ufs_mtk_is_broken_vcc(hba) && hba->vreg_info.vcc &&
+ (hba->dev_quirks & UFS_DEVICE_QUIRK_DELAY_AFTER_LPM)) {
+ hba->vreg_info.vcc->always_on = true;
+ /*
+ * VCC will be kept always-on thus we don't
+ * need any delay during regulator operations
+ */
+ hba->dev_quirks &= ~(UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
+ UFS_DEVICE_QUIRK_DELAY_AFTER_LPM);
+ }
+}
+
+static void ufs_mtk_event_notify(struct ufs_hba *hba,
+ enum ufs_event_type evt, void *data)
+{
+ unsigned int val = *(u32 *)data;
+
+ trace_ufs_mtk_event(evt, val);
}
/*
@@ -919,6 +1070,7 @@ static void ufs_mtk_fixup_dev_quirks(struct ufs_hba *hba)
static const struct ufs_hba_variant_ops ufs_hba_mtk_vops = {
.name = "mediatek.ufshci",
.init = ufs_mtk_init,
+ .get_ufs_hci_version = ufs_mtk_get_ufs_hci_version,
.setup_clocks = ufs_mtk_setup_clocks,
.hce_enable_notify = ufs_mtk_hce_enable_notify,
.link_startup_notify = ufs_mtk_link_startup_notify,
@@ -929,6 +1081,7 @@ static const struct ufs_hba_variant_ops ufs_hba_mtk_vops = {
.resume = ufs_mtk_resume,
.dbg_register_dump = ufs_mtk_dbg_register_dump,
.device_reset = ufs_mtk_device_reset,
+ .event_notify = ufs_mtk_event_notify,
};
/**
@@ -941,12 +1094,42 @@ static int ufs_mtk_probe(struct platform_device *pdev)
{
int err;
struct device *dev = &pdev->dev;
+ struct device_node *reset_node;
+ struct platform_device *reset_pdev;
+ struct device_link *link;
+ reset_node = of_find_compatible_node(NULL, NULL,
+ "ti,syscon-reset");
+ if (!reset_node) {
+ dev_notice(dev, "find ti,syscon-reset fail\n");
+ goto skip_reset;
+ }
+ reset_pdev = of_find_device_by_node(reset_node);
+ if (!reset_pdev) {
+ dev_notice(dev, "find reset_pdev fail\n");
+ goto skip_reset;
+ }
+ link = device_link_add(dev, &reset_pdev->dev,
+ DL_FLAG_AUTOPROBE_CONSUMER);
+ if (!link) {
+ dev_notice(dev, "add reset device_link fail\n");
+ goto skip_reset;
+ }
+ /* supplier is not probed */
+ if (link->status == DL_STATE_DORMANT) {
+ err = -EPROBE_DEFER;
+ goto out;
+ }
+
+skip_reset:
/* perform generic probe */
err = ufshcd_pltfrm_init(pdev, &ufs_hba_mtk_vops);
+
+out:
if (err)
dev_info(dev, "probe failed %d\n", err);
+ of_node_put(reset_node);
return err;
}
diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h
index 2b6a131..ccfcc44 100644
--- a/drivers/scsi/ufs/ufs-mediatek.h
+++ b/drivers/scsi/ufs/ufs-mediatek.h
@@ -35,8 +35,8 @@
*/
#define UFS_MTK_LIMIT_NUM_LANES_RX 2
#define UFS_MTK_LIMIT_NUM_LANES_TX 2
-#define UFS_MTK_LIMIT_HSGEAR_RX UFS_HS_G3
-#define UFS_MTK_LIMIT_HSGEAR_TX UFS_HS_G3
+#define UFS_MTK_LIMIT_HSGEAR_RX UFS_HS_G4
+#define UFS_MTK_LIMIT_HSGEAR_TX UFS_HS_G4
#define UFS_MTK_LIMIT_PWMGEAR_RX UFS_PWM_G4
#define UFS_MTK_LIMIT_PWMGEAR_TX UFS_PWM_G4
#define UFS_MTK_LIMIT_RX_PWR_PWM SLOW_MODE
@@ -69,6 +69,7 @@ enum {
* SiP commands
*/
#define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276)
+#define UFS_MTK_SIP_VA09_PWR_CTRL BIT(0)
#define UFS_MTK_SIP_DEVICE_RESET BIT(1)
#define UFS_MTK_SIP_CRYPTO_CTRL BIT(2)
#define UFS_MTK_SIP_REF_CLK_NOTIFICATION BIT(3)
@@ -94,6 +95,9 @@ enum {
*/
enum ufs_mtk_host_caps {
UFS_MTK_CAP_BOOST_CRYPT_ENGINE = 1 << 0,
+ UFS_MTK_CAP_VA09_PWR_CTRL = 1 << 1,
+ UFS_MTK_CAP_DISABLE_AH8 = 1 << 2,
+ UFS_MTK_CAP_BROKEN_VCC = 1 << 3,
};
struct ufs_mtk_crypt_cfg {
@@ -104,19 +108,22 @@ struct ufs_mtk_crypt_cfg {
int vcore_volt;
};
-struct ufs_mtk_host_cfg {
- enum ufs_mtk_host_caps caps;
+struct ufs_mtk_hw_ver {
+ u8 step;
+ u8 minor;
+ u8 major;
};
struct ufs_mtk_host {
- struct ufs_hba *hba;
struct phy *mphy;
- struct ufs_mtk_host_cfg *cfg;
- struct ufs_mtk_crypt_cfg *crypt;
- enum ufs_mtk_host_caps caps;
+ struct regulator *reg_va09;
+ struct ufs_mtk_hw_ver hw_ver;
struct reset_control *hci_reset;
struct reset_control *unipro_reset;
struct reset_control *crypto_reset;
+ struct ufs_hba *hba;
+ struct ufs_mtk_crypt_cfg *crypt;
+ enum ufs_mtk_host_caps caps;
bool mphy_powered_on;
bool unipro_lpm;
bool ref_clk_enabled;
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index 20182e3..9fe3b93 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -578,6 +578,17 @@ static int ufs_qcom_link_startup_notify(struct ufs_hba *hba,
return err;
}
+static void ufs_qcom_device_reset_ctrl(struct ufs_hba *hba, bool asserted)
+{
+ struct ufs_qcom_host *host = ufshcd_get_variant(hba);
+
+ /* reset gpio is optional */
+ if (!host->device_reset)
+ return;
+
+ gpiod_set_value_cansleep(host->device_reset, asserted);
+}
+
static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
{
struct ufs_qcom_host *host = ufshcd_get_variant(hba);
@@ -592,6 +603,9 @@ static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
ufs_qcom_disable_lane_clks(host);
phy_power_off(phy);
+ /* reset the connected UFS device during power down */
+ ufs_qcom_device_reset_ctrl(hba, true);
+
} else if (!ufs_qcom_is_link_active(hba)) {
ufs_qcom_disable_lane_clks(host);
}
@@ -824,9 +838,9 @@ static u32 ufs_qcom_get_ufs_hci_version(struct ufs_hba *hba)
struct ufs_qcom_host *host = ufshcd_get_variant(hba);
if (host->hw_ver.major == 0x1)
- return UFSHCI_VERSION_11;
+ return ufshci_version(1, 1);
else
- return UFSHCI_VERSION_20;
+ return ufshci_version(2, 0);
}
/**
@@ -1216,24 +1230,34 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba,
int err = 0;
if (status == PRE_CHANGE) {
+ err = ufshcd_uic_hibern8_enter(hba);
+ if (err)
+ return err;
if (scale_up)
err = ufs_qcom_clk_scale_up_pre_change(hba);
else
err = ufs_qcom_clk_scale_down_pre_change(hba);
+ if (err)
+ ufshcd_uic_hibern8_exit(hba);
+
} else {
if (scale_up)
err = ufs_qcom_clk_scale_up_post_change(hba);
else
err = ufs_qcom_clk_scale_down_post_change(hba);
- if (err || !dev_req_params)
+
+ if (err || !dev_req_params) {
+ ufshcd_uic_hibern8_exit(hba);
goto out;
+ }
ufs_qcom_cfg_timers(hba,
dev_req_params->gear_rx,
dev_req_params->pwr_rx,
dev_req_params->hs_rate,
false);
+ ufshcd_uic_hibern8_exit(hba);
}
out:
@@ -1443,10 +1467,10 @@ static int ufs_qcom_device_reset(struct ufs_hba *hba)
* The UFS device shall detect reset pulses of 1us, sleep for 10us to
* be on the safe side.
*/
- gpiod_set_value_cansleep(host->device_reset, 1);
+ ufs_qcom_device_reset_ctrl(hba, true);
usleep_range(10, 15);
- gpiod_set_value_cansleep(host->device_reset, 0);
+ ufs_qcom_device_reset_ctrl(hba, false);
usleep_range(10, 15);
return 0;
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
index 34b424a..4c02591 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -9,6 +9,8 @@
#include "ufs.h"
#include "ufs-sysfs.h"
+#include <trace/hooks/ufshcd.h>
+
static const char *ufschd_uic_link_state_to_string(
enum uic_link_state state)
{
@@ -60,7 +62,7 @@ static ssize_t rpm_lvl_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", hba->rpm_lvl);
+ return sysfs_emit(buf, "%d\n", hba->rpm_lvl);
}
static ssize_t rpm_lvl_store(struct device *dev,
@@ -74,7 +76,7 @@ static ssize_t rpm_target_dev_state_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
+ return sysfs_emit(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
ufs_pm_lvl_states[hba->rpm_lvl].dev_state));
}
@@ -83,7 +85,7 @@ static ssize_t rpm_target_link_state_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string(
+ return sysfs_emit(buf, "%s\n", ufschd_uic_link_state_to_string(
ufs_pm_lvl_states[hba->rpm_lvl].link_state));
}
@@ -92,7 +94,7 @@ static ssize_t spm_lvl_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", hba->spm_lvl);
+ return sysfs_emit(buf, "%d\n", hba->spm_lvl);
}
static ssize_t spm_lvl_store(struct device *dev,
@@ -106,7 +108,7 @@ static ssize_t spm_target_dev_state_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
+ return sysfs_emit(buf, "%s\n", ufschd_ufs_dev_pwr_mode_to_string(
ufs_pm_lvl_states[hba->spm_lvl].dev_state));
}
@@ -115,7 +117,7 @@ static ssize_t spm_target_link_state_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", ufschd_uic_link_state_to_string(
+ return sysfs_emit(buf, "%s\n", ufschd_uic_link_state_to_string(
ufs_pm_lvl_states[hba->spm_lvl].link_state));
}
@@ -158,7 +160,7 @@ static ssize_t auto_hibern8_show(struct device *dev,
ufshcd_release(hba);
pm_runtime_put_sync(hba->dev);
- return scnprintf(buf, PAGE_SIZE, "%d\n", ufshcd_ahit_to_us(ahit));
+ return sysfs_emit(buf, "%d\n", ufshcd_ahit_to_us(ahit));
}
static ssize_t auto_hibern8_store(struct device *dev,
@@ -205,6 +207,242 @@ static const struct attribute_group ufs_sysfs_default_group = {
.attrs = ufs_sysfs_ufshcd_attrs,
};
+static ssize_t monitor_enable_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%d\n", hba->monitor.enabled);
+}
+
+static ssize_t monitor_enable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+ unsigned long value, flags;
+
+ if (kstrtoul(buf, 0, &value))
+ return -EINVAL;
+
+ value = !!value;
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ if (value == hba->monitor.enabled)
+ goto out_unlock;
+
+ if (!value) {
+ memset(&hba->monitor, 0, sizeof(hba->monitor));
+ } else {
+ hba->monitor.enabled = true;
+ hba->monitor.enabled_ts = ktime_get();
+ }
+
+out_unlock:
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ return count;
+}
+
+static ssize_t monitor_chunk_size_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%lu\n", hba->monitor.chunk_size);
+}
+
+static ssize_t monitor_chunk_size_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+ unsigned long value, flags;
+
+ if (kstrtoul(buf, 0, &value))
+ return -EINVAL;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ /* Only allow chunk size change when monitor is disabled */
+ if (!hba->monitor.enabled)
+ hba->monitor.chunk_size = value;
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ return count;
+}
+
+static ssize_t read_total_sectors_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%lu\n", hba->monitor.nr_sec_rw[READ]);
+}
+
+static ssize_t read_total_busy_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.total_busy[READ]));
+}
+
+static ssize_t read_nr_requests_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%lu\n", hba->monitor.nr_req[READ]);
+}
+
+static ssize_t read_req_latency_avg_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+ struct ufs_hba_monitor *m = &hba->monitor;
+
+ return sysfs_emit(buf, "%llu\n", div_u64(ktime_to_us(m->lat_sum[READ]),
+ m->nr_req[READ]));
+}
+
+static ssize_t read_req_latency_max_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.lat_max[READ]));
+}
+
+static ssize_t read_req_latency_min_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.lat_min[READ]));
+}
+
+static ssize_t read_req_latency_sum_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.lat_sum[READ]));
+}
+
+static ssize_t write_total_sectors_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%lu\n", hba->monitor.nr_sec_rw[WRITE]);
+}
+
+static ssize_t write_total_busy_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.total_busy[WRITE]));
+}
+
+static ssize_t write_nr_requests_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%lu\n", hba->monitor.nr_req[WRITE]);
+}
+
+static ssize_t write_req_latency_avg_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+ struct ufs_hba_monitor *m = &hba->monitor;
+
+ return sysfs_emit(buf, "%llu\n", div_u64(ktime_to_us(m->lat_sum[WRITE]),
+ m->nr_req[WRITE]));
+}
+
+static ssize_t write_req_latency_max_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.lat_max[WRITE]));
+}
+
+static ssize_t write_req_latency_min_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.lat_min[WRITE]));
+}
+
+static ssize_t write_req_latency_sum_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%llu\n",
+ ktime_to_us(hba->monitor.lat_sum[WRITE]));
+}
+
+static DEVICE_ATTR_RW(monitor_enable);
+static DEVICE_ATTR_RW(monitor_chunk_size);
+static DEVICE_ATTR_RO(read_total_sectors);
+static DEVICE_ATTR_RO(read_total_busy);
+static DEVICE_ATTR_RO(read_nr_requests);
+static DEVICE_ATTR_RO(read_req_latency_avg);
+static DEVICE_ATTR_RO(read_req_latency_max);
+static DEVICE_ATTR_RO(read_req_latency_min);
+static DEVICE_ATTR_RO(read_req_latency_sum);
+static DEVICE_ATTR_RO(write_total_sectors);
+static DEVICE_ATTR_RO(write_total_busy);
+static DEVICE_ATTR_RO(write_nr_requests);
+static DEVICE_ATTR_RO(write_req_latency_avg);
+static DEVICE_ATTR_RO(write_req_latency_max);
+static DEVICE_ATTR_RO(write_req_latency_min);
+static DEVICE_ATTR_RO(write_req_latency_sum);
+
+static struct attribute *ufs_sysfs_monitor_attrs[] = {
+ &dev_attr_monitor_enable.attr,
+ &dev_attr_monitor_chunk_size.attr,
+ &dev_attr_read_total_sectors.attr,
+ &dev_attr_read_total_busy.attr,
+ &dev_attr_read_nr_requests.attr,
+ &dev_attr_read_req_latency_avg.attr,
+ &dev_attr_read_req_latency_max.attr,
+ &dev_attr_read_req_latency_min.attr,
+ &dev_attr_read_req_latency_sum.attr,
+ &dev_attr_write_total_sectors.attr,
+ &dev_attr_write_total_busy.attr,
+ &dev_attr_write_nr_requests.attr,
+ &dev_attr_write_req_latency_avg.attr,
+ &dev_attr_write_req_latency_max.attr,
+ &dev_attr_write_req_latency_min.attr,
+ &dev_attr_write_req_latency_sum.attr,
+ NULL
+};
+
+static const struct attribute_group ufs_sysfs_monitor_group = {
+ .name = "monitor",
+ .attrs = ufs_sysfs_monitor_attrs,
+};
+
static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba,
enum desc_idn desc_id,
u8 desc_index,
@@ -226,18 +464,18 @@ static ssize_t ufs_sysfs_read_desc_param(struct ufs_hba *hba,
return -EINVAL;
switch (param_size) {
case 1:
- ret = sprintf(sysfs_buf, "0x%02X\n", *desc_buf);
+ ret = sysfs_emit(sysfs_buf, "0x%02X\n", *desc_buf);
break;
case 2:
- ret = sprintf(sysfs_buf, "0x%04X\n",
+ ret = sysfs_emit(sysfs_buf, "0x%04X\n",
get_unaligned_be16(desc_buf));
break;
case 4:
- ret = sprintf(sysfs_buf, "0x%08X\n",
+ ret = sysfs_emit(sysfs_buf, "0x%08X\n",
get_unaligned_be32(desc_buf));
break;
case 8:
- ret = sprintf(sysfs_buf, "0x%016llX\n",
+ ret = sysfs_emit(sysfs_buf, "0x%016llX\n",
get_unaligned_be64(desc_buf));
break;
}
@@ -284,6 +522,8 @@ UFS_DEVICE_DESC_PARAM(device_version, _DEV_VER, 2);
UFS_DEVICE_DESC_PARAM(number_of_secure_wpa, _NUM_SEC_WPA, 1);
UFS_DEVICE_DESC_PARAM(psa_max_data_size, _PSA_MAX_DATA, 4);
UFS_DEVICE_DESC_PARAM(psa_state_timeout, _PSA_TMT, 1);
+UFS_DEVICE_DESC_PARAM(hpb_version, _HPB_VER, 2);
+UFS_DEVICE_DESC_PARAM(hpb_control, _HPB_CONTROL, 1);
UFS_DEVICE_DESC_PARAM(ext_feature_sup, _EXT_UFS_FEATURE_SUP, 4);
UFS_DEVICE_DESC_PARAM(wb_presv_us_en, _WB_PRESRV_USRSPC_EN, 1);
UFS_DEVICE_DESC_PARAM(wb_type, _WB_TYPE, 1);
@@ -316,6 +556,8 @@ static struct attribute *ufs_sysfs_device_descriptor[] = {
&dev_attr_number_of_secure_wpa.attr,
&dev_attr_psa_max_data_size.attr,
&dev_attr_psa_state_timeout.attr,
+ &dev_attr_hpb_version.attr,
+ &dev_attr_hpb_control.attr,
&dev_attr_ext_feature_sup.attr,
&dev_attr_wb_presv_us_en.attr,
&dev_attr_wb_type.attr,
@@ -389,6 +631,10 @@ UFS_GEOMETRY_DESC_PARAM(enh4_memory_max_alloc_units,
_ENM4_MAX_NUM_UNITS, 4);
UFS_GEOMETRY_DESC_PARAM(enh4_memory_capacity_adjustment_factor,
_ENM4_CAP_ADJ_FCTR, 2);
+UFS_GEOMETRY_DESC_PARAM(hpb_region_size, _HPB_REGION_SIZE, 1);
+UFS_GEOMETRY_DESC_PARAM(hpb_number_lu, _HPB_NUMBER_LU, 1);
+UFS_GEOMETRY_DESC_PARAM(hpb_subregion_size, _HPB_SUBREGION_SIZE, 1);
+UFS_GEOMETRY_DESC_PARAM(hpb_max_active_regions, _HPB_MAX_ACTIVE_REGS, 2);
UFS_GEOMETRY_DESC_PARAM(wb_max_alloc_units, _WB_MAX_ALLOC_UNITS, 4);
UFS_GEOMETRY_DESC_PARAM(wb_max_wb_luns, _WB_MAX_WB_LUNS, 1);
UFS_GEOMETRY_DESC_PARAM(wb_buff_cap_adj, _WB_BUFF_CAP_ADJ, 1);
@@ -426,6 +672,10 @@ static struct attribute *ufs_sysfs_geometry_descriptor[] = {
&dev_attr_enh3_memory_capacity_adjustment_factor.attr,
&dev_attr_enh4_memory_max_alloc_units.attr,
&dev_attr_enh4_memory_capacity_adjustment_factor.attr,
+ &dev_attr_hpb_region_size.attr,
+ &dev_attr_hpb_number_lu.attr,
+ &dev_attr_hpb_subregion_size.attr,
+ &dev_attr_hpb_max_active_regions.attr,
&dev_attr_wb_max_alloc_units.attr,
&dev_attr_wb_max_wb_luns.attr,
&dev_attr_wb_buff_cap_adj.attr,
@@ -602,7 +852,7 @@ static ssize_t _name##_show(struct device *dev, \
SD_ASCII_STD); \
if (ret < 0) \
goto out; \
- ret = snprintf(buf, PAGE_SIZE, "%s\n", desc_buf); \
+ ret = sysfs_emit(buf, "%s\n", desc_buf); \
out: \
pm_runtime_put_sync(hba->dev); \
kfree(desc_buf); \
@@ -652,7 +902,7 @@ static ssize_t _name##_show(struct device *dev, \
pm_runtime_put_sync(hba->dev); \
if (ret) \
return -EINVAL; \
- return sprintf(buf, "%s\n", flag ? "true" : "false"); \
+ return sysfs_emit(buf, "%s\n", flag ? "true" : "false"); \
} \
static DEVICE_ATTR_RO(_name)
@@ -667,6 +917,7 @@ UFS_FLAG(disable_fw_update, _PERMANENTLY_DISABLE_FW_UPDATE);
UFS_FLAG(wb_enable, _WB_EN);
UFS_FLAG(wb_flush_en, _WB_BUFF_FLUSH_EN);
UFS_FLAG(wb_flush_during_h8, _WB_BUFF_FLUSH_DURING_HIBERN8);
+UFS_FLAG(hpb_enable, _HPB_EN);
static struct attribute *ufs_sysfs_device_flags[] = {
&dev_attr_device_init.attr,
@@ -680,6 +931,7 @@ static struct attribute *ufs_sysfs_device_flags[] = {
&dev_attr_wb_enable.attr,
&dev_attr_wb_flush_en.attr,
&dev_attr_wb_flush_during_h8.attr,
+ &dev_attr_hpb_enable.attr,
NULL,
};
@@ -710,11 +962,12 @@ static ssize_t _name##_show(struct device *dev, \
pm_runtime_put_sync(hba->dev); \
if (ret) \
return -EINVAL; \
- return sprintf(buf, "0x%08X\n", value); \
+ return sysfs_emit(buf, "0x%08X\n", value); \
} \
static DEVICE_ATTR_RO(_name)
UFS_ATTRIBUTE(boot_lun_enabled, _BOOT_LU_EN);
+UFS_ATTRIBUTE(max_data_size_hpb_single_cmd, _MAX_HPB_SINGLE_CMD);
UFS_ATTRIBUTE(current_power_mode, _POWER_MODE);
UFS_ATTRIBUTE(active_icc_level, _ACTIVE_ICC_LVL);
UFS_ATTRIBUTE(ooo_data_enabled, _OOO_DATA_EN);
@@ -738,6 +991,7 @@ UFS_ATTRIBUTE(wb_cur_buf, _CURR_WB_BUFF_SIZE);
static struct attribute *ufs_sysfs_attributes[] = {
&dev_attr_boot_lun_enabled.attr,
+ &dev_attr_max_data_size_hpb_single_cmd.attr,
&dev_attr_current_power_mode.attr,
&dev_attr_active_icc_level.attr,
&dev_attr_ooo_data_enabled.attr,
@@ -767,6 +1021,7 @@ static const struct attribute_group ufs_sysfs_attributes_group = {
static const struct attribute_group *ufs_sysfs_groups[] = {
&ufs_sysfs_default_group,
+ &ufs_sysfs_monitor_group,
&ufs_sysfs_device_descriptor_group,
&ufs_sysfs_interconnect_descriptor_group,
&ufs_sysfs_geometry_descriptor_group,
@@ -809,6 +1064,9 @@ UFS_UNIT_DESC_PARAM(provisioning_type, _PROVISIONING_TYPE, 1);
UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8);
UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2);
UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1);
+UFS_UNIT_DESC_PARAM(hpb_lu_max_active_regions, _HPB_LU_MAX_ACTIVE_RGNS, 2);
+UFS_UNIT_DESC_PARAM(hpb_pinned_region_start_offset, _HPB_PIN_RGN_START_OFF, 2);
+UFS_UNIT_DESC_PARAM(hpb_number_pinned_regions, _HPB_NUM_PIN_RGNS, 2);
UFS_UNIT_DESC_PARAM(wb_buf_alloc_units, _WB_BUF_ALLOC_UNITS, 4);
@@ -826,6 +1084,9 @@ static struct attribute *ufs_sysfs_unit_descriptor[] = {
&dev_attr_physical_memory_resourse_count.attr,
&dev_attr_context_capabilities.attr,
&dev_attr_large_unit_granularity.attr,
+ &dev_attr_hpb_lu_max_active_regions.attr,
+ &dev_attr_hpb_pinned_region_start_offset.attr,
+ &dev_attr_hpb_number_pinned_regions.attr,
&dev_attr_wb_buf_alloc_units.attr,
NULL,
};
@@ -850,7 +1111,7 @@ static ssize_t dyn_cap_needed_attribute_show(struct device *dev,
pm_runtime_put_sync(hba->dev);
if (ret)
return -EINVAL;
- return sprintf(buf, "0x%08X\n", value);
+ return sysfs_emit(buf, "0x%08X\n", value);
}
static DEVICE_ATTR_RO(dyn_cap_needed_attribute);
@@ -863,15 +1124,19 @@ const struct attribute_group ufs_sysfs_lun_attributes_group = {
.attrs = ufs_sysfs_lun_attributes,
};
-void ufs_sysfs_add_nodes(struct device *dev)
+void ufs_sysfs_add_nodes(struct ufs_hba *hba)
{
int ret;
- ret = sysfs_create_groups(&dev->kobj, ufs_sysfs_groups);
- if (ret)
- dev_err(dev,
+ ret = sysfs_create_groups(&hba->dev->kobj, ufs_sysfs_groups);
+ if (ret) {
+ dev_err(hba->dev,
"%s: sysfs groups creation failed (err = %d)\n",
__func__, ret);
+ return;
+ }
+
+ trace_android_vh_ufs_update_sysfs(hba);
}
void ufs_sysfs_remove_nodes(struct device *dev)
diff --git a/drivers/scsi/ufs/ufs-sysfs.h b/drivers/scsi/ufs/ufs-sysfs.h
index 0f4e750..ec7b0c8 100644
--- a/drivers/scsi/ufs/ufs-sysfs.h
+++ b/drivers/scsi/ufs/ufs-sysfs.h
@@ -9,7 +9,7 @@
#include "ufshcd.h"
-void ufs_sysfs_add_nodes(struct device *dev);
+void ufs_sysfs_add_nodes(struct ufs_hba *hba);
void ufs_sysfs_remove_nodes(struct device *dev);
extern const struct attribute_group ufs_sysfs_unit_descriptor_group;
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index 07ca390..1ee80cd 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -13,6 +13,7 @@
#include <linux/mutex.h>
#include <linux/types.h>
+#include <linux/android_kabi.h>
#include <uapi/scsi/scsi_bsg_ufs.h>
#define GENERAL_UPIU_REQUEST_SIZE (sizeof(struct utp_upiu_req))
@@ -122,12 +123,14 @@ enum flag_idn {
QUERY_FLAG_IDN_WB_EN = 0x0E,
QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F,
QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10,
+ QUERY_FLAG_IDN_HPB_RESET = 0x11,
+ QUERY_FLAG_IDN_HPB_EN = 0x12,
};
/* Attribute idn for Query requests */
enum attr_idn {
QUERY_ATTR_IDN_BOOT_LU_EN = 0x00,
- QUERY_ATTR_IDN_RESERVED = 0x01,
+ QUERY_ATTR_IDN_MAX_HPB_SINGLE_CMD = 0x01,
QUERY_ATTR_IDN_POWER_MODE = 0x02,
QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03,
QUERY_ATTR_IDN_OOO_DATA_EN = 0x04,
@@ -195,6 +198,9 @@ enum unit_desc_param {
UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18,
UNIT_DESC_PARAM_CTX_CAPABILITIES = 0x20,
UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1 = 0x22,
+ UNIT_DESC_PARAM_HPB_LU_MAX_ACTIVE_RGNS = 0x23,
+ UNIT_DESC_PARAM_HPB_PIN_RGN_START_OFF = 0x25,
+ UNIT_DESC_PARAM_HPB_NUM_PIN_RGNS = 0x27,
UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29,
};
@@ -235,6 +241,8 @@ enum device_desc_param {
DEVICE_DESC_PARAM_PSA_MAX_DATA = 0x25,
DEVICE_DESC_PARAM_PSA_TMT = 0x29,
DEVICE_DESC_PARAM_PRDCT_REV = 0x2A,
+ DEVICE_DESC_PARAM_HPB_VER = 0x40,
+ DEVICE_DESC_PARAM_HPB_CONTROL = 0x42,
DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP = 0x4F,
DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN = 0x53,
DEVICE_DESC_PARAM_WB_TYPE = 0x54,
@@ -283,6 +291,10 @@ enum geometry_desc_param {
GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS = 0x3E,
GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR = 0x42,
GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE = 0x44,
+ GEOMETRY_DESC_PARAM_HPB_REGION_SIZE = 0x48,
+ GEOMETRY_DESC_PARAM_HPB_NUMBER_LU = 0x49,
+ GEOMETRY_DESC_PARAM_HPB_SUBREGION_SIZE = 0x4A,
+ GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS = 0x4B,
GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS = 0x4F,
GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS = 0x53,
GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ = 0x54,
@@ -327,8 +339,10 @@ enum {
/* Possible values for dExtendedUFSFeaturesSupport */
enum {
+ UFS_DEV_HPB_SUPPORT = BIT(7),
UFS_DEV_WRITE_BOOSTER_SUP = BIT(8),
};
+#define UFS_DEV_HPB_SUPPORT_VERSION 0x310
#define POWER_DESC_MAX_SIZE 0x62
#define POWER_DESC_MAX_ACTV_ICC_LVLS 16
@@ -460,6 +474,41 @@ struct utp_cmd_rsp {
u8 sense_data[UFS_SENSE_SIZE];
};
+struct ufshpb_active_field {
+ __be16 active_rgn;
+ __be16 active_srgn;
+};
+#define HPB_ACT_FIELD_SIZE 4
+
+/**
+ * struct utp_hpb_rsp - Response UPIU structure
+ * @residual_transfer_count: Residual transfer count DW-3
+ * @reserved1: Reserved double words DW-4 to DW-7
+ * @sense_data_len: Sense data length DW-8 U16
+ * @desc_type: Descriptor type of sense data
+ * @additional_len: Additional length of sense data
+ * @hpb_op: HPB operation type
+ * @lun: LUN of response UPIU
+ * @active_rgn_cnt: Active region count
+ * @inactive_rgn_cnt: Inactive region count
+ * @hpb_active_field: Recommended to read HPB region and subregion
+ * @hpb_inactive_field: To be inactivated HPB region and subregion
+ */
+struct utp_hpb_rsp {
+ __be32 residual_transfer_count;
+ __be32 reserved1[4];
+ __be16 sense_data_len;
+ u8 desc_type;
+ u8 additional_len;
+ u8 hpb_op;
+ u8 lun;
+ u8 active_rgn_cnt;
+ u8 inactive_rgn_cnt;
+ struct ufshpb_active_field hpb_active_field[2];
+ __be16 hpb_inactive_field[2];
+};
+#define UTP_HPB_RSP_SIZE 40
+
/**
* struct utp_upiu_rsp - general upiu response structure
* @header: UPIU header structure DW-0 to DW-2
@@ -470,6 +519,7 @@ struct utp_upiu_rsp {
struct utp_upiu_header header;
union {
struct utp_cmd_rsp sr;
+ struct utp_hpb_rsp hr;
struct utp_upiu_query qr;
};
};
@@ -512,6 +562,7 @@ struct ufs_query_res {
struct ufs_vreg {
struct regulator *reg;
const char *name;
+ bool always_on;
bool enabled;
int min_uV;
int max_uV;
@@ -542,6 +593,9 @@ struct ufs_dev_info {
u32 d_wb_alloc_units;
bool b_rpm_dev_flush_capable;
u8 b_presrv_uspc_en;
+ /* UFS HPB related flag */
+ bool hpb_enabled;
+ ANDROID_KABI_RESERVE(1);
};
/**
diff --git a/drivers/scsi/ufs/ufs_quirks.h b/drivers/scsi/ufs/ufs_quirks.h
index 07f559a..35ec9ea 100644
--- a/drivers/scsi/ufs/ufs_quirks.h
+++ b/drivers/scsi/ufs/ufs_quirks.h
@@ -116,4 +116,10 @@ struct ufs_dev_fix {
*/
#define UFS_DEVICE_QUIRK_DELAY_AFTER_LPM (1 << 11)
+/*
+ * Some UFS devices require L2P entry should be swapped before being sent to the
+ * UFS device for HPB READ command.
+ */
+#define UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ (1 << 12)
+
#endif /* UFS_QUIRKS_H_ */
diff --git a/drivers/scsi/ufs/ufshcd-add-info.h b/drivers/scsi/ufs/ufshcd-add-info.h
new file mode 100644
index 0000000..72ed34d
--- /dev/null
+++ b/drivers/scsi/ufs/ufshcd-add-info.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _UFSHCD_ADD_INFO_H_
+#define _UFSHCD_ADD_INFO_H_
+
+/*
+ * Compared to the upstream equivalent, @hpb_dev has been moved from struct
+ * ufs_hba into struct ufs_hba_add_info to satisfy the Android ABI checks.
+ * Do NOT use this data structure in any out-of-tree driver since it is not
+ * covered by the GKI.
+ */
+struct ufs_hba_add_info {
+ struct ufs_hba hba;
+ struct request **tmf_rqs;
+#ifdef CONFIG_SCSI_UFS_HPB
+ struct ufshpb_dev_info hpb_dev;
+#endif
+};
+
+static inline struct ufs_hba_add_info *ufs_hba_add_info(struct ufs_hba *hba)
+{
+ return container_of(hba, struct ufs_hba_add_info, hba);
+}
+
+#endif /* _UFSHCD_ADD_INFO_H_ */
diff --git a/drivers/scsi/ufs/ufshcd-crypto.c b/drivers/scsi/ufs/ufshcd-crypto.c
index 07310b1..7604c07 100644
--- a/drivers/scsi/ufs/ufshcd-crypto.c
+++ b/drivers/scsi/ufs/ufshcd-crypto.c
@@ -6,6 +6,9 @@
#include "ufshcd.h"
#include "ufshcd-crypto.h"
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/ufshcd.h>
+
/* Blk-crypto modes supported by UFS crypto */
static const struct ufs_crypto_alg_entry {
enum ufs_crypto_alg ufs_alg;
@@ -120,7 +123,17 @@ bool ufshcd_crypto_enable(struct ufs_hba *hba)
return false;
/* Reset might clear all keys, so reprogram all the keys. */
- blk_ksm_reprogram_all_keys(&hba->ksm);
+ if (hba->ksm.num_slots) {
+ int err = -EOPNOTSUPP;
+
+ trace_android_rvh_ufs_reprogram_all_keys(hba, &err);
+ if (err == -EOPNOTSUPP)
+ blk_ksm_reprogram_all_keys(&hba->ksm);
+ }
+
+ if (hba->quirks & UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE)
+ return false;
+
return true;
}
@@ -157,6 +170,9 @@ int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba)
int err = 0;
enum blk_crypto_mode_num blk_mode_num;
+ if (hba->quirks & UFSHCD_QUIRK_CUSTOM_KEYSLOT_MANAGER)
+ return 0;
+
/*
* Don't use crypto if either the hardware doesn't advertise the
* standard crypto capability bit *or* if the vendor specific driver
@@ -179,14 +195,15 @@ int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba)
}
/* The actual number of configurations supported is (CFGC+1) */
- err = blk_ksm_init(&hba->ksm,
- hba->crypto_capabilities.config_count + 1);
+ err = devm_blk_ksm_init(hba->dev, &hba->ksm,
+ hba->crypto_capabilities.config_count + 1);
if (err)
goto out_free_caps;
hba->ksm.ksm_ll_ops = ufshcd_ksm_ops;
/* UFS only supports 8 bytes for any DUN */
hba->ksm.max_dun_bytes_supported = 8;
+ hba->ksm.features = BLK_CRYPTO_FEATURE_STANDARD_KEYS;
hba->ksm.dev = hba->dev;
/*
@@ -227,9 +244,9 @@ void ufshcd_init_crypto(struct ufs_hba *hba)
if (!(hba->caps & UFSHCD_CAP_CRYPTO))
return;
- /* Clear all keyslots - the number of keyslots is (CFGC + 1) */
- for (slot = 0; slot < hba->crypto_capabilities.config_count + 1; slot++)
- ufshcd_clear_keyslot(hba, slot);
+ /* Clear all keyslots */
+ for (slot = 0; slot < hba->ksm.num_slots; slot++)
+ hba->ksm.ksm_ll_ops.keyslot_evict(&hba->ksm, NULL, slot);
}
void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
@@ -238,8 +255,3 @@ void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
if (hba->caps & UFSHCD_CAP_CRYPTO)
blk_ksm_register(&hba->ksm, q);
}
-
-void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba)
-{
- blk_ksm_destroy(&hba->ksm);
-}
diff --git a/drivers/scsi/ufs/ufshcd-crypto.h b/drivers/scsi/ufs/ufshcd-crypto.h
index d53851b..83b0e50 100644
--- a/drivers/scsi/ufs/ufshcd-crypto.h
+++ b/drivers/scsi/ufs/ufshcd-crypto.h
@@ -34,6 +34,19 @@ ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0,
}
}
+static inline void ufshcd_crypto_clear_prdt(struct ufs_hba *hba,
+ struct ufshcd_lrb *lrbp)
+{
+ if (!(hba->quirks & UFSHCD_QUIRK_KEYS_IN_PRDT))
+ return;
+
+ if (!lrbp->cmd->request->crypt_ctx)
+ return;
+
+ memzero_explicit(lrbp->ucd_prdt_ptr,
+ hba->sg_entry_size * scsi_sg_count(lrbp->cmd));
+}
+
bool ufshcd_crypto_enable(struct ufs_hba *hba);
int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba);
@@ -43,8 +56,6 @@ void ufshcd_init_crypto(struct ufs_hba *hba);
void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
struct request_queue *q);
-void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba);
-
#else /* CONFIG_SCSI_UFS_CRYPTO */
static inline void ufshcd_prepare_lrbp_crypto(struct request *rq,
@@ -54,6 +65,9 @@ static inline void
ufshcd_prepare_req_desc_hdr_crypto(struct ufshcd_lrb *lrbp, u32 *dword_0,
u32 *dword_1, u32 *dword_3) { }
+static inline void ufshcd_crypto_clear_prdt(struct ufs_hba *hba,
+ struct ufshcd_lrb *lrbp) { }
+
static inline bool ufshcd_crypto_enable(struct ufs_hba *hba)
{
return false;
@@ -69,9 +83,6 @@ static inline void ufshcd_init_crypto(struct ufs_hba *hba) { }
static inline void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
struct request_queue *q) { }
-static inline void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba)
-{ }
-
#endif /* CONFIG_SCSI_UFS_CRYPTO */
#endif /* _UFSHCD_CRYPTO_H */
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 8c92d1b..12b827f 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -134,25 +134,6 @@ static int ufshcd_populate_vreg(struct device *dev, const char *name,
dev_info(dev, "%s: unable to find %s\n", __func__, prop_name);
vreg->max_uA = 0;
}
-
- if (!strcmp(name, "vcc")) {
- if (of_property_read_bool(np, "vcc-supply-1p8")) {
- vreg->min_uV = UFS_VREG_VCC_1P8_MIN_UV;
- vreg->max_uV = UFS_VREG_VCC_1P8_MAX_UV;
- } else {
- vreg->min_uV = UFS_VREG_VCC_MIN_UV;
- vreg->max_uV = UFS_VREG_VCC_MAX_UV;
- }
- } else if (!strcmp(name, "vccq")) {
- vreg->min_uV = UFS_VREG_VCCQ_MIN_UV;
- vreg->max_uV = UFS_VREG_VCCQ_MAX_UV;
- } else if (!strcmp(name, "vccq2")) {
- vreg->min_uV = UFS_VREG_VCCQ2_MIN_UV;
- vreg->max_uV = UFS_VREG_VCCQ2_MAX_UV;
- }
-
- goto out;
-
out:
if (!ret)
*out_vreg = vreg;
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index e3a9a02..df90adb 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -17,22 +17,28 @@
#include <linux/blk-pm.h>
#include <linux/blkdev.h>
#include "ufshcd.h"
+#include "ufshcd-add-info.h"
#include "ufs_quirks.h"
#include "unipro.h"
#include "ufs-sysfs.h"
+#include "ufs-debugfs.h"
#include "ufs_bsg.h"
#include "ufshcd-crypto.h"
+#include "ufshpb.h"
#include <asm/unaligned.h>
#include <linux/blkdev.h>
#define CREATE_TRACE_POINTS
#include <trace/events/ufs.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/ufshcd.h>
+
#define UFSHCD_ENABLE_INTRS (UTP_TRANSFER_REQ_COMPL |\
UTP_TASK_REQ_COMPL |\
UFSHCD_ERROR_MASK)
/* UIC command timeout, unit: ms */
-#define UIC_CMD_TIMEOUT 500
+#define UIC_CMD_TIMEOUT 5000
/* NOP OUT retries waiting for NOP IN response */
#define NOP_OUT_RETRIES 10
@@ -196,7 +202,8 @@ ufs_get_desired_pm_lvl_for_dev_link_state(enum ufs_dev_pwr_mode dev_state,
static struct ufs_dev_fix ufs_fixups[] = {
/* UFS cards deviations table */
UFS_FIX(UFS_VENDOR_MICRON, UFS_ANY_MODEL,
- UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM),
+ UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
+ UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ),
UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM |
UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE |
@@ -222,7 +229,6 @@ static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag);
static void ufshcd_hba_exit(struct ufs_hba *hba);
static int ufshcd_probe_hba(struct ufs_hba *hba, bool async);
static int ufshcd_setup_clocks(struct ufs_hba *hba, bool on);
-static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);
static inline void ufshcd_add_delay_before_dme_cmd(struct ufs_hba *hba);
static int ufshcd_host_reset_and_restore(struct ufs_hba *hba);
static void ufshcd_resume_clkscaling(struct ufs_hba *hba);
@@ -243,6 +249,8 @@ static int ufshcd_wb_buf_flush_disable(struct ufs_hba *hba);
static int ufshcd_wb_ctrl(struct ufs_hba *hba, bool enable);
static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set);
static inline void ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable);
+static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba);
+static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba);
static inline bool ufshcd_valid_tag(struct ufs_hba *hba, int tag)
{
@@ -318,6 +326,7 @@ static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag,
{
struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[tag];
+ trace_android_vh_ufs_send_tm_command(hba, tag, str);
trace_ufshcd_upiu(dev_name(hba->dev), str, &descp->req_header,
&descp->input_param1);
}
@@ -328,6 +337,8 @@ static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,
{
u32 cmd;
+ trace_android_vh_ufs_send_uic_command(hba, ucmd, str);
+
if (!trace_ufshcd_uic_command_enabled())
return;
@@ -346,7 +357,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba,
unsigned int tag, const char *str)
{
sector_t lba = -1;
- u8 opcode = 0;
+ u8 opcode = 0, group_id = 0;
u32 intr, doorbell;
struct ufshcd_lrb *lrbp = &hba->lrb[tag];
struct scsi_cmnd *cmd = lrbp->cmd;
@@ -372,13 +383,20 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba,
lba = cmd->request->bio->bi_iter.bi_sector;
transfer_len = be32_to_cpu(
lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
+ if (opcode == WRITE_10)
+ group_id = lrbp->cmd->cmnd[6];
+ } else if (opcode == UNMAP) {
+ if (cmd->request) {
+ lba = scsi_get_lba(cmd);
+ transfer_len = blk_rq_bytes(cmd->request);
+ }
}
}
intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
trace_ufshcd_command(dev_name(hba->dev), str, tag,
- doorbell, transfer_len, intr, lba, opcode);
+ doorbell, transfer_len, intr, lba, opcode, group_id);
}
static void ufshcd_print_clk_freqs(struct ufs_hba *hba)
@@ -397,20 +415,25 @@ static void ufshcd_print_clk_freqs(struct ufs_hba *hba)
}
}
-static void ufshcd_print_err_hist(struct ufs_hba *hba,
- struct ufs_err_reg_hist *err_hist,
- char *err_name)
+static void ufshcd_print_evt(struct ufs_hba *hba, u32 id,
+ char *err_name)
{
int i;
bool found = false;
+ struct ufs_event_hist *e;
- for (i = 0; i < UFS_ERR_REG_HIST_LENGTH; i++) {
- int p = (i + err_hist->pos) % UFS_ERR_REG_HIST_LENGTH;
+ if (id >= UFS_EVT_CNT)
+ return;
- if (err_hist->tstamp[p] == 0)
+ e = &hba->ufs_stats.event[id];
+
+ for (i = 0; i < UFS_EVENT_HIST_LENGTH; i++) {
+ int p = (i + e->pos) % UFS_EVENT_HIST_LENGTH;
+
+ if (e->tstamp[p] == 0)
continue;
dev_err(hba->dev, "%s[%d] = 0x%x at %lld us\n", err_name, p,
- err_hist->reg[p], ktime_to_us(err_hist->tstamp[p]));
+ e->val[p], ktime_to_us(e->tstamp[p]));
found = true;
}
@@ -418,26 +441,26 @@ static void ufshcd_print_err_hist(struct ufs_hba *hba,
dev_err(hba->dev, "No record of %s\n", err_name);
}
-static void ufshcd_print_host_regs(struct ufs_hba *hba)
+static void ufshcd_print_evt_hist(struct ufs_hba *hba)
{
ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: ");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.pa_err, "pa_err");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.dl_err, "dl_err");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.nl_err, "nl_err");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.tl_err, "tl_err");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.dme_err, "dme_err");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.auto_hibern8_err,
- "auto_hibern8_err");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.fatal_err, "fatal_err");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.link_startup_err,
- "link_startup_fail");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.resume_err, "resume_fail");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.suspend_err,
- "suspend_fail");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.dev_reset, "dev_reset");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.host_reset, "host_reset");
- ufshcd_print_err_hist(hba, &hba->ufs_stats.task_abort, "task_abort");
+ ufshcd_print_evt(hba, UFS_EVT_PA_ERR, "pa_err");
+ ufshcd_print_evt(hba, UFS_EVT_DL_ERR, "dl_err");
+ ufshcd_print_evt(hba, UFS_EVT_NL_ERR, "nl_err");
+ ufshcd_print_evt(hba, UFS_EVT_TL_ERR, "tl_err");
+ ufshcd_print_evt(hba, UFS_EVT_DME_ERR, "dme_err");
+ ufshcd_print_evt(hba, UFS_EVT_AUTO_HIBERN8_ERR,
+ "auto_hibern8_err");
+ ufshcd_print_evt(hba, UFS_EVT_FATAL_ERR, "fatal_err");
+ ufshcd_print_evt(hba, UFS_EVT_LINK_STARTUP_FAIL,
+ "link_startup_fail");
+ ufshcd_print_evt(hba, UFS_EVT_RESUME_ERR, "resume_fail");
+ ufshcd_print_evt(hba, UFS_EVT_SUSPEND_ERR,
+ "suspend_fail");
+ ufshcd_print_evt(hba, UFS_EVT_DEV_RESET, "dev_reset");
+ ufshcd_print_evt(hba, UFS_EVT_HOST_RESET, "host_reset");
+ ufshcd_print_evt(hba, UFS_EVT_ABORT, "task_abort");
ufshcd_vops_dbg_register_dump(hba);
}
@@ -474,7 +497,7 @@ void ufshcd_print_trs(struct ufs_hba *hba, unsigned long bitmap, bool pr_prdt)
prdt_length = le16_to_cpu(
lrbp->utr_descriptor_ptr->prd_table_length);
if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN)
- prdt_length /= sizeof(struct ufshcd_sg_entry);
+ prdt_length /= hba->sg_entry_size;
dev_err(hba->dev,
"UPIU[%d] - PRDT - %d entries phys@0x%llx\n",
@@ -483,7 +506,7 @@ void ufshcd_print_trs(struct ufs_hba *hba, unsigned long bitmap, bool pr_prdt)
if (pr_prdt)
ufshcd_hex_dump("UPIU PRDT: ", lrbp->ucd_prdt_ptr,
- sizeof(struct ufshcd_sg_entry) * prdt_length);
+ hba->sg_entry_size * prdt_length);
}
}
@@ -615,23 +638,12 @@ int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,
*/
static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba)
{
- u32 intr_mask = 0;
+ if (hba->ufs_version == ufshci_version(1, 0))
+ return INTERRUPT_MASK_ALL_VER_10;
+ if (hba->ufs_version <= ufshci_version(2, 0))
+ return INTERRUPT_MASK_ALL_VER_11;
- switch (hba->ufs_version) {
- case UFSHCI_VERSION_10:
- intr_mask = INTERRUPT_MASK_ALL_VER_10;
- break;
- case UFSHCI_VERSION_11:
- case UFSHCI_VERSION_20:
- intr_mask = INTERRUPT_MASK_ALL_VER_11;
- break;
- case UFSHCI_VERSION_21:
- default:
- intr_mask = INTERRUPT_MASK_ALL_VER_21;
- break;
- }
-
- return intr_mask;
+ return INTERRUPT_MASK_ALL_VER_21;
}
/**
@@ -642,10 +654,22 @@ static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba)
*/
static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba)
{
- if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION)
- return ufshcd_vops_get_ufs_hci_version(hba);
+ u32 ufshci_ver;
- return ufshcd_readl(hba, REG_UFS_VERSION);
+ if (hba->quirks & UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION)
+ ufshci_ver = ufshcd_vops_get_ufs_hci_version(hba);
+ else
+ ufshci_ver = ufshcd_readl(hba, REG_UFS_VERSION);
+
+ /*
+ * UFSHCI v1.x uses a different version scheme, in order
+ * to allow the use of comparisons with the ufshci_version
+ * function, we convert it to the same scheme as ufs 2.0+.
+ */
+ if (ufshci_ver & 0x00010000)
+ return ufshci_version(1, ufshci_ver & 0x00000100);
+
+ return ufshci_ver;
}
/**
@@ -707,7 +731,7 @@ static inline void ufshcd_utmrl_clear(struct ufs_hba *hba, u32 pos)
*/
static inline void ufshcd_outstanding_req_clear(struct ufs_hba *hba, int tag)
{
- __clear_bit(tag, &hba->outstanding_reqs);
+ clear_bit(tag, &hba->outstanding_reqs);
}
/**
@@ -877,8 +901,7 @@ static inline bool ufshcd_is_hba_active(struct ufs_hba *hba)
u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba)
{
/* HCI version 1.0 and 1.1 supports UniPro 1.41 */
- if ((hba->ufs_version == UFSHCI_VERSION_10) ||
- (hba->ufs_version == UFSHCI_VERSION_11))
+ if (hba->ufs_version <= ufshci_version(1, 1))
return UFS_UNIPRO_VER_1_41;
else
return UFS_UNIPRO_VER_1_6;
@@ -1100,7 +1123,6 @@ static int ufshcd_wait_for_doorbell_clr(struct ufs_hba *hba,
*/
static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)
{
- #define UFS_MIN_GEAR_TO_SCALE_DOWN UFS_HS_G1
int ret = 0;
struct ufs_pa_layer_attr new_pwr_info;
@@ -1111,16 +1133,16 @@ static int ufshcd_scale_gear(struct ufs_hba *hba, bool scale_up)
memcpy(&new_pwr_info, &hba->pwr_info,
sizeof(struct ufs_pa_layer_attr));
- if (hba->pwr_info.gear_tx > UFS_MIN_GEAR_TO_SCALE_DOWN
- || hba->pwr_info.gear_rx > UFS_MIN_GEAR_TO_SCALE_DOWN) {
+ if (hba->pwr_info.gear_tx > hba->clk_scaling.min_gear ||
+ hba->pwr_info.gear_rx > hba->clk_scaling.min_gear) {
/* save the current power mode */
memcpy(&hba->clk_scaling.saved_pwr_info.info,
&hba->pwr_info,
sizeof(struct ufs_pa_layer_attr));
/* scale down gear */
- new_pwr_info.gear_tx = UFS_MIN_GEAR_TO_SCALE_DOWN;
- new_pwr_info.gear_rx = UFS_MIN_GEAR_TO_SCALE_DOWN;
+ new_pwr_info.gear_tx = hba->clk_scaling.min_gear;
+ new_pwr_info.gear_rx = hba->clk_scaling.min_gear;
}
}
@@ -1145,19 +1167,30 @@ static int ufshcd_clock_scaling_prepare(struct ufs_hba *hba)
*/
ufshcd_scsi_block_requests(hba);
down_write(&hba->clk_scaling_lock);
- if (ufshcd_wait_for_doorbell_clr(hba, DOORBELL_CLR_TOUT_US)) {
+
+ if (!hba->clk_scaling.is_allowed ||
+ ufshcd_wait_for_doorbell_clr(hba, DOORBELL_CLR_TOUT_US)) {
ret = -EBUSY;
up_write(&hba->clk_scaling_lock);
ufshcd_scsi_unblock_requests(hba);
+ goto out;
}
+ /* let's not get into low power until clock scaling is completed */
+ ufshcd_hold(hba, false);
+
+out:
return ret;
}
-static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba)
+static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba, bool writelock)
{
- up_write(&hba->clk_scaling_lock);
+ if (writelock)
+ up_write(&hba->clk_scaling_lock);
+ else
+ up_read(&hba->clk_scaling_lock);
ufshcd_scsi_unblock_requests(hba);
+ ufshcd_release(hba);
}
/**
@@ -1172,13 +1205,11 @@ static void ufshcd_clock_scaling_unprepare(struct ufs_hba *hba)
static int ufshcd_devfreq_scale(struct ufs_hba *hba, bool scale_up)
{
int ret = 0;
-
- /* let's not get into low power until clock scaling is completed */
- ufshcd_hold(hba, false);
+ bool is_writelock = true;
ret = ufshcd_clock_scaling_prepare(hba);
if (ret)
- goto out;
+ return ret;
/* scale down the gear before scaling down clocks */
if (!scale_up) {
@@ -1204,14 +1235,12 @@ static int ufshcd_devfreq_scale(struct ufs_hba *hba, bool scale_up)
}
/* Enable Write Booster if we have scaled up else disable it */
- up_write(&hba->clk_scaling_lock);
+ downgrade_write(&hba->clk_scaling_lock);
+ is_writelock = false;
ufshcd_wb_ctrl(hba, scale_up);
- down_write(&hba->clk_scaling_lock);
out_unprepare:
- ufshcd_clock_scaling_unprepare(hba);
-out:
- ufshcd_release(hba);
+ ufshcd_clock_scaling_unprepare(hba, is_writelock);
return ret;
}
@@ -1259,6 +1288,8 @@ static int ufshcd_devfreq_target(struct device *dev,
struct list_head *clk_list = &hba->clk_list_head;
struct ufs_clk_info *clki;
unsigned long irq_flags;
+ bool force_out = false;
+ bool force_scaling = false;
if (!ufshcd_is_clkscaling_supported(hba))
return -EINVAL;
@@ -1284,23 +1315,19 @@ static int ufshcd_devfreq_target(struct device *dev,
scale_up = (*freq == clki->max_freq) ? true : false;
if (!scale_up)
*freq = clki->min_freq;
+
+ trace_android_vh_ufs_clock_scaling(hba, &force_out, &force_scaling, &scale_up);
+
/* Update the frequency */
- if (!ufshcd_is_devfreq_scaling_required(hba, scale_up)) {
+ if (force_out || (!force_scaling && !ufshcd_is_devfreq_scaling_required(hba, scale_up))) {
spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
ret = 0;
goto out; /* no state change required */
}
spin_unlock_irqrestore(hba->host->host_lock, irq_flags);
- pm_runtime_get_noresume(hba->dev);
- if (!pm_runtime_active(hba->dev)) {
- pm_runtime_put_noidle(hba->dev);
- ret = -EAGAIN;
- goto out;
- }
start = ktime_get();
ret = ufshcd_devfreq_scale(hba, scale_up);
- pm_runtime_put(hba->dev);
trace_ufshcd_profile_clk_scaling(dev_name(hba->dev),
(scale_up ? "up" : "down"),
@@ -1447,8 +1474,8 @@ static void ufshcd_suspend_clkscaling(struct ufs_hba *hba)
unsigned long flags;
bool suspend = false;
- if (!ufshcd_is_clkscaling_supported(hba))
- return;
+ cancel_work_sync(&hba->clk_scaling.suspend_work);
+ cancel_work_sync(&hba->clk_scaling.resume_work);
spin_lock_irqsave(hba->host->host_lock, flags);
if (!hba->clk_scaling.is_suspended) {
@@ -1466,9 +1493,6 @@ static void ufshcd_resume_clkscaling(struct ufs_hba *hba)
unsigned long flags;
bool resume = false;
- if (!ufshcd_is_clkscaling_supported(hba))
- return;
-
spin_lock_irqsave(hba->host->host_lock, flags);
if (hba->clk_scaling.is_suspended) {
resume = true;
@@ -1485,7 +1509,7 @@ static ssize_t ufshcd_clkscale_enable_show(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", hba->clk_scaling.is_allowed);
+ return snprintf(buf, PAGE_SIZE, "%d\n", hba->clk_scaling.is_enabled);
}
static ssize_t ufshcd_clkscale_enable_store(struct device *dev,
@@ -1493,22 +1517,25 @@ static ssize_t ufshcd_clkscale_enable_store(struct device *dev,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
u32 value;
- int err;
+ int err = 0;
if (kstrtou32(buf, 0, &value))
return -EINVAL;
+ down(&hba->host_sem);
+ if (!ufshcd_is_user_access_allowed(hba)) {
+ err = -EBUSY;
+ goto out;
+ }
+
value = !!value;
- if (value == hba->clk_scaling.is_allowed)
+ if (value == hba->clk_scaling.is_enabled)
goto out;
pm_runtime_get_sync(hba->dev);
ufshcd_hold(hba, false);
- cancel_work_sync(&hba->clk_scaling.suspend_work);
- cancel_work_sync(&hba->clk_scaling.resume_work);
-
- hba->clk_scaling.is_allowed = value;
+ hba->clk_scaling.is_enabled = value;
if (value) {
ufshcd_resume_clkscaling(hba);
@@ -1523,10 +1550,11 @@ static ssize_t ufshcd_clkscale_enable_store(struct device *dev,
ufshcd_release(hba);
pm_runtime_put_sync(hba->dev);
out:
- return count;
+ up(&hba->host_sem);
+ return err ? err : count;
}
-static void ufshcd_clkscaling_init_sysfs(struct ufs_hba *hba)
+static void ufshcd_init_clk_scaling_sysfs(struct ufs_hba *hba)
{
hba->clk_scaling.enable_attr.show = ufshcd_clkscale_enable_show;
hba->clk_scaling.enable_attr.store = ufshcd_clkscale_enable_store;
@@ -1537,6 +1565,45 @@ static void ufshcd_clkscaling_init_sysfs(struct ufs_hba *hba)
dev_err(hba->dev, "Failed to create sysfs for clkscale_enable\n");
}
+static void ufshcd_remove_clk_scaling_sysfs(struct ufs_hba *hba)
+{
+ if (hba->clk_scaling.enable_attr.attr.name)
+ device_remove_file(hba->dev, &hba->clk_scaling.enable_attr);
+}
+
+static void ufshcd_init_clk_scaling(struct ufs_hba *hba)
+{
+ char wq_name[sizeof("ufs_clkscaling_00")];
+
+ if (!ufshcd_is_clkscaling_supported(hba))
+ return;
+
+ if (!hba->clk_scaling.min_gear)
+ hba->clk_scaling.min_gear = UFS_HS_G1;
+
+ INIT_WORK(&hba->clk_scaling.suspend_work,
+ ufshcd_clk_scaling_suspend_work);
+ INIT_WORK(&hba->clk_scaling.resume_work,
+ ufshcd_clk_scaling_resume_work);
+
+ snprintf(wq_name, sizeof(wq_name), "ufs_clkscaling_%d",
+ hba->host->host_no);
+ hba->clk_scaling.workq = create_singlethread_workqueue(wq_name);
+
+ hba->clk_scaling.is_initialized = true;
+}
+
+static void ufshcd_exit_clk_scaling(struct ufs_hba *hba)
+{
+ if (!hba->clk_scaling.is_initialized)
+ return;
+
+ ufshcd_remove_clk_scaling_sysfs(hba);
+ destroy_workqueue(hba->clk_scaling.workq);
+ ufshcd_devfreq_remove(hba);
+ hba->clk_scaling.is_initialized = false;
+}
+
static void ufshcd_ungate_work(struct work_struct *work)
{
int ret;
@@ -1553,6 +1620,7 @@ static void ufshcd_ungate_work(struct work_struct *work)
}
spin_unlock_irqrestore(hba->host->host_lock, flags);
+ ufshcd_hba_vreg_set_hpm(hba);
ufshcd_setup_clocks(hba, true);
ufshcd_enable_irq(hba);
@@ -1714,6 +1782,8 @@ static void ufshcd_gate_work(struct work_struct *work)
ufshcd_setup_clocks(hba, false);
+ /* Put the host controller in low power mode if possible */
+ ufshcd_hba_vreg_set_lpm(hba);
/*
* In case you are here to cancel this work the gating state
* would be marked as REQ_CLKS_ON. In this case keep the state
@@ -1809,48 +1879,47 @@ static ssize_t ufshcd_clkgate_enable_store(struct device *dev,
return -EINVAL;
value = !!value;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
if (value == hba->clk_gating.is_enabled)
goto out;
- if (value) {
- ufshcd_release(hba);
- } else {
- spin_lock_irqsave(hba->host->host_lock, flags);
+ if (value)
+ __ufshcd_release(hba);
+ else
hba->clk_gating.active_reqs++;
- spin_unlock_irqrestore(hba->host->host_lock, flags);
- }
hba->clk_gating.is_enabled = value;
out:
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
return count;
}
-static void ufshcd_init_clk_scaling(struct ufs_hba *hba)
+static void ufshcd_init_clk_gating_sysfs(struct ufs_hba *hba)
{
- char wq_name[sizeof("ufs_clkscaling_00")];
+ hba->clk_gating.delay_attr.show = ufshcd_clkgate_delay_show;
+ hba->clk_gating.delay_attr.store = ufshcd_clkgate_delay_store;
+ sysfs_attr_init(&hba->clk_gating.delay_attr.attr);
+ hba->clk_gating.delay_attr.attr.name = "clkgate_delay_ms";
+ hba->clk_gating.delay_attr.attr.mode = 0644;
+ if (device_create_file(hba->dev, &hba->clk_gating.delay_attr))
+ dev_err(hba->dev, "Failed to create sysfs for clkgate_delay\n");
- if (!ufshcd_is_clkscaling_supported(hba))
- return;
-
- INIT_WORK(&hba->clk_scaling.suspend_work,
- ufshcd_clk_scaling_suspend_work);
- INIT_WORK(&hba->clk_scaling.resume_work,
- ufshcd_clk_scaling_resume_work);
-
- snprintf(wq_name, sizeof(wq_name), "ufs_clkscaling_%d",
- hba->host->host_no);
- hba->clk_scaling.workq = create_singlethread_workqueue(wq_name);
-
- ufshcd_clkscaling_init_sysfs(hba);
+ hba->clk_gating.enable_attr.show = ufshcd_clkgate_enable_show;
+ hba->clk_gating.enable_attr.store = ufshcd_clkgate_enable_store;
+ sysfs_attr_init(&hba->clk_gating.enable_attr.attr);
+ hba->clk_gating.enable_attr.attr.name = "clkgate_enable";
+ hba->clk_gating.enable_attr.attr.mode = 0644;
+ if (device_create_file(hba->dev, &hba->clk_gating.enable_attr))
+ dev_err(hba->dev, "Failed to create sysfs for clkgate_enable\n");
}
-static void ufshcd_exit_clk_scaling(struct ufs_hba *hba)
+static void ufshcd_remove_clk_gating_sysfs(struct ufs_hba *hba)
{
- if (!ufshcd_is_clkscaling_supported(hba))
- return;
-
- destroy_workqueue(hba->clk_scaling.workq);
- ufshcd_devfreq_remove(hba);
+ if (hba->clk_gating.delay_attr.attr.name)
+ device_remove_file(hba->dev, &hba->clk_gating.delay_attr);
+ if (hba->clk_gating.enable_attr.attr.name)
+ device_remove_file(hba->dev, &hba->clk_gating.enable_attr);
}
static void ufshcd_init_clk_gating(struct ufs_hba *hba)
@@ -1869,36 +1938,23 @@ static void ufshcd_init_clk_gating(struct ufs_hba *hba)
snprintf(wq_name, ARRAY_SIZE(wq_name), "ufs_clk_gating_%d",
hba->host->host_no);
hba->clk_gating.clk_gating_workq = alloc_ordered_workqueue(wq_name,
- WQ_MEM_RECLAIM);
+ WQ_MEM_RECLAIM | WQ_HIGHPRI);
+
+ ufshcd_init_clk_gating_sysfs(hba);
hba->clk_gating.is_enabled = true;
-
- hba->clk_gating.delay_attr.show = ufshcd_clkgate_delay_show;
- hba->clk_gating.delay_attr.store = ufshcd_clkgate_delay_store;
- sysfs_attr_init(&hba->clk_gating.delay_attr.attr);
- hba->clk_gating.delay_attr.attr.name = "clkgate_delay_ms";
- hba->clk_gating.delay_attr.attr.mode = 0644;
- if (device_create_file(hba->dev, &hba->clk_gating.delay_attr))
- dev_err(hba->dev, "Failed to create sysfs for clkgate_delay\n");
-
- hba->clk_gating.enable_attr.show = ufshcd_clkgate_enable_show;
- hba->clk_gating.enable_attr.store = ufshcd_clkgate_enable_store;
- sysfs_attr_init(&hba->clk_gating.enable_attr.attr);
- hba->clk_gating.enable_attr.attr.name = "clkgate_enable";
- hba->clk_gating.enable_attr.attr.mode = 0644;
- if (device_create_file(hba->dev, &hba->clk_gating.enable_attr))
- dev_err(hba->dev, "Failed to create sysfs for clkgate_enable\n");
+ hba->clk_gating.is_initialized = true;
}
static void ufshcd_exit_clk_gating(struct ufs_hba *hba)
{
- if (!ufshcd_is_clkgating_allowed(hba))
+ if (!hba->clk_gating.is_initialized)
return;
- device_remove_file(hba->dev, &hba->clk_gating.delay_attr);
- device_remove_file(hba->dev, &hba->clk_gating.enable_attr);
+ ufshcd_remove_clk_gating_sysfs(hba);
cancel_work_sync(&hba->clk_gating.ungate_work);
cancel_delayed_work_sync(&hba->clk_gating.gate_work);
destroy_workqueue(hba->clk_gating.clk_gating_workq);
+ hba->clk_gating.is_initialized = false;
}
/* Must be called with host lock acquired */
@@ -1906,15 +1962,19 @@ static void ufshcd_clk_scaling_start_busy(struct ufs_hba *hba)
{
bool queue_resume_work = false;
ktime_t curr_t = ktime_get();
+ unsigned long flags;
if (!ufshcd_is_clkscaling_supported(hba))
return;
+ spin_lock_irqsave(hba->host->host_lock, flags);
if (!hba->clk_scaling.active_reqs++)
queue_resume_work = true;
- if (!hba->clk_scaling.is_allowed || hba->pm_op_in_progress)
+ if (!hba->clk_scaling.is_enabled || hba->pm_op_in_progress) {
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
return;
+ }
if (queue_resume_work)
queue_work(hba->clk_scaling.workq,
@@ -1930,22 +1990,91 @@ static void ufshcd_clk_scaling_start_busy(struct ufs_hba *hba)
hba->clk_scaling.busy_start_t = curr_t;
hba->clk_scaling.is_busy_started = true;
}
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
}
static void ufshcd_clk_scaling_update_busy(struct ufs_hba *hba)
{
struct ufs_clk_scaling *scaling = &hba->clk_scaling;
+ unsigned long flags;
if (!ufshcd_is_clkscaling_supported(hba))
return;
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ hba->clk_scaling.active_reqs--;
if (!hba->outstanding_reqs && scaling->is_busy_started) {
scaling->tot_busy_t += ktime_to_us(ktime_sub(ktime_get(),
scaling->busy_start_t));
scaling->busy_start_t = 0;
scaling->is_busy_started = false;
}
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
}
+
+static inline int ufshcd_monitor_opcode2dir(u8 opcode)
+{
+ if (opcode == READ_6 || opcode == READ_10 || opcode == READ_16)
+ return READ;
+ else if (opcode == WRITE_6 || opcode == WRITE_10 || opcode == WRITE_16)
+ return WRITE;
+ else
+ return -EINVAL;
+}
+
+static inline bool ufshcd_should_inform_monitor(struct ufs_hba *hba,
+ struct ufshcd_lrb *lrbp)
+{
+ struct ufs_hba_monitor *m = &hba->monitor;
+
+ return (m->enabled && lrbp && lrbp->cmd &&
+ (!m->chunk_size || m->chunk_size == lrbp->cmd->sdb.length) &&
+ ktime_before(hba->monitor.enabled_ts, lrbp->issue_time_stamp));
+}
+
+static void ufshcd_start_monitor(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+ int dir = ufshcd_monitor_opcode2dir(*lrbp->cmd->cmnd);
+ unsigned long flags;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ if (dir >= 0 && hba->monitor.nr_queued[dir]++ == 0)
+ hba->monitor.busy_start_ts[dir] = ktime_get();
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+}
+
+static void ufshcd_update_monitor(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+ int dir = ufshcd_monitor_opcode2dir(*lrbp->cmd->cmnd);
+ unsigned long flags;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ if (dir >= 0 && hba->monitor.nr_queued[dir] > 0) {
+ struct request *req = lrbp->cmd->request;
+ struct ufs_hba_monitor *m = &hba->monitor;
+ ktime_t now, inc, lat;
+
+ now = lrbp->compl_time_stamp;
+ inc = ktime_sub(now, m->busy_start_ts[dir]);
+ m->total_busy[dir] = ktime_add(m->total_busy[dir], inc);
+ m->nr_sec_rw[dir] += blk_rq_sectors(req);
+
+ /* Update latencies */
+ m->nr_req[dir]++;
+ lat = ktime_sub(now, lrbp->issue_time_stamp);
+ m->lat_sum[dir] += lat;
+ if (m->lat_max[dir] < lat || !m->lat_max[dir])
+ m->lat_max[dir] = lat;
+ if (m->lat_min[dir] > lat || !m->lat_min[dir])
+ m->lat_min[dir] = lat;
+
+ m->nr_queued[dir]--;
+ /* Push forward the busy start of monitor */
+ m->busy_start_ts[dir] = now;
+ }
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+}
+
/**
* ufshcd_send_command - Send SCSI or device management commands
* @hba: per adapter instance
@@ -1959,10 +2088,24 @@ void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag)
lrbp->issue_time_stamp = ktime_get();
lrbp->compl_time_stamp = ktime_set(0, 0);
ufshcd_vops_setup_xfer_req(hba, task_tag, (lrbp->cmd ? true : false));
+ trace_android_vh_ufs_send_command(hba, lrbp);
ufshcd_add_command_trace(hba, task_tag, "send");
ufshcd_clk_scaling_start_busy(hba);
- __set_bit(task_tag, &hba->outstanding_reqs);
- ufshcd_writel(hba, 1 << task_tag, REG_UTP_TRANSFER_REQ_DOOR_BELL);
+ if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
+ ufshcd_start_monitor(hba, lrbp);
+ if (ufshcd_has_utrlcnr(hba)) {
+ set_bit(task_tag, &hba->outstanding_reqs);
+ ufshcd_writel(hba, 1 << task_tag,
+ REG_UTP_TRANSFER_REQ_DOOR_BELL);
+ } else {
+ unsigned long flags;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ set_bit(task_tag, &hba->outstanding_reqs);
+ ufshcd_writel(hba, 1 << task_tag,
+ REG_UTP_TRANSFER_REQ_DOOR_BELL);
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ }
/* Make sure that doorbell is committed immediately */
wmb();
}
@@ -2180,6 +2323,9 @@ int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
int ret;
unsigned long flags;
+ if (hba->quirks & UFSHCD_QUIRK_BROKEN_UIC_CMD)
+ return 0;
+
ufshcd_hold(hba, false);
mutex_lock(&hba->uic_cmd_mutex);
ufshcd_add_delay_before_dme_cmd(hba);
@@ -2205,11 +2351,12 @@ int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd)
*/
static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
{
- struct ufshcd_sg_entry *prd_table;
+ struct ufshcd_sg_entry *prd;
struct scatterlist *sg;
struct scsi_cmnd *cmd;
int sg_segments;
int i;
+ int err;
cmd = lrbp->cmd;
sg_segments = scsi_dma_map(cmd);
@@ -2220,28 +2367,30 @@ static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
if (hba->quirks & UFSHCD_QUIRK_PRDT_BYTE_GRAN)
lrbp->utr_descriptor_ptr->prd_table_length =
- cpu_to_le16((sg_segments *
- sizeof(struct ufshcd_sg_entry)));
+ cpu_to_le16(sg_segments * hba->sg_entry_size);
else
lrbp->utr_descriptor_ptr->prd_table_length =
cpu_to_le16((u16) (sg_segments));
- prd_table = (struct ufshcd_sg_entry *)lrbp->ucd_prdt_ptr;
+ prd = (struct ufshcd_sg_entry *)lrbp->ucd_prdt_ptr;
scsi_for_each_sg(cmd, sg, sg_segments, i) {
- prd_table[i].size =
+ prd->size =
cpu_to_le32(((u32) sg_dma_len(sg))-1);
- prd_table[i].base_addr =
+ prd->base_addr =
cpu_to_le32(lower_32_bits(sg->dma_address));
- prd_table[i].upper_addr =
+ prd->upper_addr =
cpu_to_le32(upper_32_bits(sg->dma_address));
- prd_table[i].reserved = 0;
+ prd->reserved = 0;
+ prd = (void *)prd + hba->sg_entry_size;
}
} else {
lrbp->utr_descriptor_ptr->prd_table_length = 0;
}
- return 0;
+ err = 0;
+ trace_android_vh_ufs_fill_prdt(hba, lrbp, sg_segments, &err);
+ return err;
}
/**
@@ -2253,7 +2402,7 @@ static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs)
{
u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
- if (hba->ufs_version == UFSHCI_VERSION_10) {
+ if (hba->ufs_version == ufshci_version(1, 0)) {
u32 rw;
rw = set & INTERRUPT_MASK_RW_VER_10;
set = rw | ((set ^ intrs) & intrs);
@@ -2273,7 +2422,7 @@ static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs)
{
u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
- if (hba->ufs_version == UFSHCI_VERSION_10) {
+ if (hba->ufs_version == ufshci_version(1, 0)) {
u32 rw;
rw = (set & INTERRUPT_MASK_RW_VER_10) &
~(intrs & INTERRUPT_MASK_RW_VER_10);
@@ -2436,8 +2585,7 @@ static int ufshcd_compose_devman_upiu(struct ufs_hba *hba,
u8 upiu_flags;
int ret = 0;
- if ((hba->ufs_version == UFSHCI_VERSION_10) ||
- (hba->ufs_version == UFSHCI_VERSION_11))
+ if (hba->ufs_version <= ufshci_version(1, 1))
lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
else
lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
@@ -2464,8 +2612,7 @@ static int ufshcd_comp_scsi_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
u8 upiu_flags;
int ret = 0;
- if ((hba->ufs_version == UFSHCI_VERSION_10) ||
- (hba->ufs_version == UFSHCI_VERSION_11))
+ if (hba->ufs_version <= ufshci_version(1, 1))
lrbp->command_type = UTP_CMD_TYPE_SCSI;
else
lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
@@ -2494,10 +2641,11 @@ static inline u16 ufshcd_upiu_wlun_to_scsi_wlun(u8 upiu_wlun_id)
static void ufshcd_init_lrb(struct ufs_hba *hba, struct ufshcd_lrb *lrb, int i)
{
- struct utp_transfer_cmd_desc *cmd_descp = hba->ucdl_base_addr;
+ struct utp_transfer_cmd_desc *cmd_descp = (void *)hba->ucdl_base_addr +
+ i * sizeof_utp_transfer_cmd_desc(hba);
struct utp_transfer_req_desc *utrdlp = hba->utrdl_base_addr;
dma_addr_t cmd_desc_element_addr = hba->ucdl_dma_addr +
- i * sizeof(struct utp_transfer_cmd_desc);
+ i * sizeof_utp_transfer_cmd_desc(hba);
u16 response_offset = offsetof(struct utp_transfer_cmd_desc,
response_upiu);
u16 prdt_offset = offsetof(struct utp_transfer_cmd_desc, prd_table);
@@ -2505,11 +2653,11 @@ static void ufshcd_init_lrb(struct ufs_hba *hba, struct ufshcd_lrb *lrb, int i)
lrb->utr_descriptor_ptr = utrdlp + i;
lrb->utrd_dma_addr = hba->utrdl_dma_addr +
i * sizeof(struct utp_transfer_req_desc);
- lrb->ucd_req_ptr = (struct utp_upiu_req *)(cmd_descp + i);
+ lrb->ucd_req_ptr = (struct utp_upiu_req *)cmd_descp;
lrb->ucd_req_dma_addr = cmd_desc_element_addr;
- lrb->ucd_rsp_ptr = (struct utp_upiu_rsp *)cmd_descp[i].response_upiu;
+ lrb->ucd_rsp_ptr = (struct utp_upiu_rsp *)cmd_descp->response_upiu;
lrb->ucd_rsp_dma_addr = cmd_desc_element_addr + response_offset;
- lrb->ucd_prdt_ptr = (struct ufshcd_sg_entry *)cmd_descp[i].prd_table;
+ lrb->ucd_prdt_ptr = (struct ufshcd_sg_entry *)cmd_descp->prd_table;
lrb->ucd_prdt_dma_addr = cmd_desc_element_addr + prdt_offset;
}
@@ -2524,7 +2672,6 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
{
struct ufshcd_lrb *lrbp;
struct ufs_hba *hba;
- unsigned long flags;
int tag;
int err = 0;
@@ -2541,42 +2688,6 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
if (!down_read_trylock(&hba->clk_scaling_lock))
return SCSI_MLQUEUE_HOST_BUSY;
- hba->req_abort_count = 0;
-
- err = ufshcd_hold(hba, true);
- if (err) {
- err = SCSI_MLQUEUE_HOST_BUSY;
- goto out;
- }
- WARN_ON(ufshcd_is_clkgating_allowed(hba) &&
- (hba->clk_gating.state != CLKS_ON));
-
- lrbp = &hba->lrb[tag];
-
- WARN_ON(lrbp->cmd);
- lrbp->cmd = cmd;
- lrbp->sense_bufflen = UFS_SENSE_SIZE;
- lrbp->sense_buffer = cmd->sense_buffer;
- lrbp->task_tag = tag;
- lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
- lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba) ? true : false;
-
- ufshcd_prepare_lrbp_crypto(cmd->request, lrbp);
-
- lrbp->req_abort_skip = false;
-
- ufshcd_comp_scsi_upiu(hba, lrbp);
-
- err = ufshcd_map_sg(hba, lrbp);
- if (err) {
- lrbp->cmd = NULL;
- ufshcd_release(hba);
- goto out;
- }
- /* Make sure descriptors are ready before ringing the doorbell */
- wmb();
-
- spin_lock_irqsave(hba->host->host_lock, flags);
switch (hba->ufshcd_state) {
case UFSHCD_STATE_OPERATIONAL:
case UFSHCD_STATE_EH_SCHEDULED_NON_FATAL:
@@ -2595,32 +2706,74 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
if (hba->pm_op_in_progress) {
hba->force_reset = true;
set_host_byte(cmd, DID_BAD_TARGET);
- goto out_compl_cmd;
+ cmd->scsi_done(cmd);
+ goto out;
}
fallthrough;
case UFSHCD_STATE_RESET:
err = SCSI_MLQUEUE_HOST_BUSY;
- goto out_compl_cmd;
+ goto out;
case UFSHCD_STATE_ERROR:
set_host_byte(cmd, DID_ERROR);
- goto out_compl_cmd;
+ cmd->scsi_done(cmd);
+ goto out;
default:
dev_WARN_ONCE(hba->dev, 1, "%s: invalid state %d\n",
__func__, hba->ufshcd_state);
set_host_byte(cmd, DID_BAD_TARGET);
- goto out_compl_cmd;
- }
- ufshcd_send_command(hba, tag);
- spin_unlock_irqrestore(hba->host->host_lock, flags);
- goto out;
-
-out_compl_cmd:
- scsi_dma_unmap(lrbp->cmd);
- lrbp->cmd = NULL;
- spin_unlock_irqrestore(hba->host->host_lock, flags);
- ufshcd_release(hba);
- if (!err)
cmd->scsi_done(cmd);
+ goto out;
+ }
+
+ hba->req_abort_count = 0;
+
+ err = ufshcd_hold(hba, true);
+ if (err) {
+ err = SCSI_MLQUEUE_HOST_BUSY;
+ goto out;
+ }
+ WARN_ON(ufshcd_is_clkgating_allowed(hba) &&
+ (hba->clk_gating.state != CLKS_ON));
+
+ lrbp = &hba->lrb[tag];
+ WARN_ON(lrbp->cmd);
+ lrbp->cmd = cmd;
+ lrbp->sense_bufflen = UFS_SENSE_SIZE;
+ lrbp->sense_buffer = cmd->sense_buffer;
+ lrbp->task_tag = tag;
+ lrbp->lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
+ lrbp->intr_cmd = !ufshcd_is_intr_aggr_allowed(hba) ? true : false;
+
+ ufshcd_prepare_lrbp_crypto(cmd->request, lrbp);
+
+ trace_android_vh_ufs_prepare_command(hba, cmd->request, lrbp, &err);
+ if (err) {
+ lrbp->cmd = NULL;
+ ufshcd_release(hba);
+ goto out;
+ }
+
+ lrbp->req_abort_skip = false;
+
+ err = ufshpb_prep(hba, lrbp);
+ if (err == -EAGAIN) {
+ lrbp->cmd = NULL;
+ ufshcd_release(hba);
+ goto out;
+ }
+
+ ufshcd_comp_scsi_upiu(hba, lrbp);
+
+ err = ufshcd_map_sg(hba, lrbp);
+ if (err) {
+ lrbp->cmd = NULL;
+ ufshcd_release(hba);
+ goto out;
+ }
+ /* Make sure descriptors are ready before ringing the doorbell */
+ wmb();
+
+ ufshcd_send_command(hba, tag);
out:
up_read(&hba->clk_scaling_lock);
return err;
@@ -2775,16 +2928,10 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba,
int err;
int tag;
struct completion wait;
- unsigned long flags;
down_read(&hba->clk_scaling_lock);
- /*
- * Get free slot, sleep if slots are unavailable.
- * Even though we use wait_event() which sleeps indefinitely,
- * the maximum wait time is bounded by SCSI request timeout.
- */
- req = blk_get_request(q, REQ_OP_DRV_OUT, 0);
+ req = blk_mq_alloc_request(q, REQ_OP_DRV_OUT, BLK_MQ_REQ_RESERVED);
if (IS_ERR(req)) {
err = PTR_ERR(req);
goto out_unlock;
@@ -2800,23 +2947,20 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba,
WARN_ON(lrbp->cmd);
err = ufshcd_compose_dev_cmd(hba, lrbp, cmd_type, tag);
if (unlikely(err))
- goto out_put_tag;
+ goto out;
hba->dev_cmd.complete = &wait;
ufshcd_add_query_upiu_trace(hba, tag, "query_send");
/* Make sure descriptors are ready before ringing the doorbell */
wmb();
- spin_lock_irqsave(hba->host->host_lock, flags);
+
ufshcd_send_command(hba, tag);
- spin_unlock_irqrestore(hba->host->host_lock, flags);
-
err = ufshcd_wait_for_dev_cmd(hba, lrbp, timeout);
-
ufshcd_add_query_upiu_trace(hba, tag,
err ? "query_complete_err" : "query_complete");
-out_put_tag:
+out:
blk_put_request(req);
out_unlock:
up_read(&hba->clk_scaling_lock);
@@ -2847,7 +2991,7 @@ static inline void ufshcd_init_query(struct ufs_hba *hba,
(*request)->upiu_req.selector = selector;
}
-static int ufshcd_query_flag_retry(struct ufs_hba *hba,
+int ufshcd_query_flag_retry(struct ufs_hba *hba,
enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res)
{
int ret;
@@ -2869,6 +3013,7 @@ static int ufshcd_query_flag_retry(struct ufs_hba *hba,
__func__, opcode, idn, ret, retries);
return ret;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_flag_retry);
/**
* ufshcd_query_flag() - API function for sending flag query requests
@@ -2937,6 +3082,7 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
ufshcd_release(hba);
return err;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_flag);
/**
* ufshcd_query_attr - API function for sending attribute requests
@@ -2958,14 +3104,14 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
BUG_ON(!hba);
- ufshcd_hold(hba, false);
if (!attr_val) {
dev_err(hba->dev, "%s: attribute value required for opcode 0x%x\n",
__func__, opcode);
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
+ ufshcd_hold(hba, false);
+
mutex_lock(&hba->dev_cmd.lock);
ufshcd_init_query(hba, &request, &response, opcode, idn, index,
selector);
@@ -2997,10 +3143,10 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
out_unlock:
mutex_unlock(&hba->dev_cmd.lock);
-out:
ufshcd_release(hba);
return err;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_attr);
/**
* ufshcd_query_attr_retry() - API function for sending query
@@ -3015,7 +3161,7 @@ int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
*
* Returns 0 for success, non-zero in case of failure
*/
-static int ufshcd_query_attr_retry(struct ufs_hba *hba,
+int ufshcd_query_attr_retry(struct ufs_hba *hba,
enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector,
u32 *attr_val)
{
@@ -3038,6 +3184,7 @@ static int ufshcd_query_attr_retry(struct ufs_hba *hba,
__func__, idn, ret, QUERY_REQ_RETRIES);
return ret;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_attr_retry);
static int __ufshcd_query_descriptor(struct ufs_hba *hba,
enum query_opcode opcode, enum desc_idn idn, u8 index,
@@ -3049,21 +3196,20 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba,
BUG_ON(!hba);
- ufshcd_hold(hba, false);
if (!desc_buf) {
dev_err(hba->dev, "%s: descriptor buffer required for opcode 0x%x\n",
__func__, opcode);
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
if (*buf_len < QUERY_DESC_MIN_SIZE || *buf_len > QUERY_DESC_MAX_SIZE) {
dev_err(hba->dev, "%s: descriptor buffer size (%d) is out of range\n",
__func__, *buf_len);
- err = -EINVAL;
- goto out;
+ return -EINVAL;
}
+ ufshcd_hold(hba, false);
+
mutex_lock(&hba->dev_cmd.lock);
ufshcd_init_query(hba, &request, &response, opcode, idn, index,
selector);
@@ -3098,7 +3244,6 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba,
out_unlock:
hba->dev_cmd.query.descriptor = NULL;
mutex_unlock(&hba->dev_cmd.lock);
-out:
ufshcd_release(hba);
return err;
}
@@ -3135,6 +3280,7 @@ int ufshcd_query_descriptor_retry(struct ufs_hba *hba,
return err;
}
+EXPORT_SYMBOL_GPL(ufshcd_query_descriptor_retry);
/**
* ufshcd_map_desc_id_to_length - map descriptor IDN to its length
@@ -3253,6 +3399,7 @@ int ufshcd_read_desc_param(struct ufs_hba *hba,
kfree(desc_buf);
return ret;
}
+EXPORT_SYMBOL_GPL(ufshcd_read_desc_param);
/**
* struct uc_string_id - unicode string
@@ -3426,7 +3573,7 @@ static int ufshcd_memory_alloc(struct ufs_hba *hba)
size_t utmrdl_size, utrdl_size, ucdl_size;
/* Allocate memory for UTP command descriptors */
- ucdl_size = (sizeof(struct utp_transfer_cmd_desc) * hba->nutrs);
+ ucdl_size = (sizeof_utp_transfer_cmd_desc(hba) * hba->nutrs);
hba->ucdl_base_addr = dmam_alloc_coherent(hba->dev,
ucdl_size,
&hba->ucdl_dma_addr,
@@ -3520,7 +3667,7 @@ static void ufshcd_host_memory_configure(struct ufs_hba *hba)
prdt_offset =
offsetof(struct utp_transfer_cmd_desc, prd_table);
- cmd_desc_size = sizeof(struct utp_transfer_cmd_desc);
+ cmd_desc_size = sizeof_utp_transfer_cmd_desc(hba);
cmd_desc_dma_addr = hba->ucdl_dma_addr;
for (i = 0; i < hba->nutrs; i++) {
@@ -3854,7 +4001,7 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
if (ret) {
ufshcd_print_host_state(hba);
ufshcd_print_pwr_info(hba);
- ufshcd_print_host_regs(hba);
+ ufshcd_print_evt_hist(hba);
}
spin_lock_irqsave(hba->host->host_lock, flags);
@@ -3863,6 +4010,9 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
if (reenable_intr)
ufshcd_enable_intr(hba, UIC_COMMAND_COMPL);
if (ret) {
+ dev_err(hba->dev,
+ "%s: Changing link power status failed (%d). Scheduling error handler\n",
+ __func__, ret);
ufshcd_set_link_broken(hba);
ufshcd_schedule_eh_work(hba);
}
@@ -3936,7 +4086,7 @@ int ufshcd_link_recovery(struct ufs_hba *hba)
}
EXPORT_SYMBOL_GPL(ufshcd_link_recovery);
-static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba)
+int ufshcd_uic_hibern8_enter(struct ufs_hba *hba)
{
int ret;
struct uic_command uic_cmd = {0};
@@ -3958,6 +4108,7 @@ static int ufshcd_uic_hibern8_enter(struct ufs_hba *hba)
return ret;
}
+EXPORT_SYMBOL_GPL(ufshcd_uic_hibern8_enter);
int ufshcd_uic_hibern8_exit(struct ufs_hba *hba)
{
@@ -4320,7 +4471,7 @@ EXPORT_SYMBOL_GPL(ufshcd_make_hba_operational);
* ufshcd_hba_stop - Send controller to reset state
* @hba: per adapter instance
*/
-static inline void ufshcd_hba_stop(struct ufs_hba *hba)
+void ufshcd_hba_stop(struct ufs_hba *hba)
{
unsigned long flags;
int err;
@@ -4339,6 +4490,7 @@ static inline void ufshcd_hba_stop(struct ufs_hba *hba)
if (err)
dev_err(hba->dev, "%s: Controller disable failed\n", __func__);
}
+EXPORT_SYMBOL_GPL(ufshcd_hba_stop);
/**
* ufshcd_hba_execute_hce - initialize the controller
@@ -4352,8 +4504,10 @@ static inline void ufshcd_hba_stop(struct ufs_hba *hba)
*/
static int ufshcd_hba_execute_hce(struct ufs_hba *hba)
{
- int retry;
+ int retry_outer = 3;
+ int retry_inner;
+start:
if (!ufshcd_is_hba_active(hba))
/* change controller state to "reset state" */
ufshcd_hba_stop(hba);
@@ -4379,13 +4533,17 @@ static int ufshcd_hba_execute_hce(struct ufs_hba *hba)
ufshcd_delay_us(hba->vps->hba_enable_delay_us, 100);
/* wait for the host controller to complete initialization */
- retry = 50;
+ retry_inner = 50;
while (ufshcd_is_hba_active(hba)) {
- if (retry) {
- retry--;
+ if (retry_inner) {
+ retry_inner--;
} else {
dev_err(hba->dev,
"Controller enable failed\n");
+ if (retry_outer) {
+ retry_outer--;
+ goto start;
+ }
return -EIO;
}
usleep_range(1000, 1100);
@@ -4462,14 +4620,22 @@ static inline int ufshcd_disable_device_tx_lcc(struct ufs_hba *hba)
return ufshcd_disable_tx_lcc(hba, true);
}
-void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist,
- u32 reg)
+void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val)
{
- reg_hist->reg[reg_hist->pos] = reg;
- reg_hist->tstamp[reg_hist->pos] = ktime_get();
- reg_hist->pos = (reg_hist->pos + 1) % UFS_ERR_REG_HIST_LENGTH;
+ struct ufs_event_hist *e;
+
+ if (id >= UFS_EVT_CNT)
+ return;
+
+ e = &hba->ufs_stats.event[id];
+ e->val[e->pos] = val;
+ e->tstamp[e->pos] = ktime_get();
+ e->cnt += 1;
+ e->pos = (e->pos + 1) % UFS_EVENT_HIST_LENGTH;
+
+ ufshcd_vops_event_notify(hba, id, &val);
}
-EXPORT_SYMBOL_GPL(ufshcd_update_reg_hist);
+EXPORT_SYMBOL_GPL(ufshcd_update_evt_hist);
/**
* ufshcd_link_startup - Initialize unipro link startup
@@ -4498,7 +4664,8 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
/* check if device is detected by inter-connect layer */
if (!ret && !ufshcd_is_device_present(hba)) {
- ufshcd_update_reg_hist(&hba->ufs_stats.link_startup_err,
+ ufshcd_update_evt_hist(hba,
+ UFS_EVT_LINK_STARTUP_FAIL,
0);
dev_err(hba->dev, "%s: Device not present\n", __func__);
ret = -ENXIO;
@@ -4511,7 +4678,8 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
* succeeds. So reset the local Uni-Pro and try again.
*/
if (ret && ufshcd_hba_enable(hba)) {
- ufshcd_update_reg_hist(&hba->ufs_stats.link_startup_err,
+ ufshcd_update_evt_hist(hba,
+ UFS_EVT_LINK_STARTUP_FAIL,
(u32)ret);
goto out;
}
@@ -4519,7 +4687,8 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
if (ret) {
/* failed to get the link up... retire */
- ufshcd_update_reg_hist(&hba->ufs_stats.link_startup_err,
+ ufshcd_update_evt_hist(hba,
+ UFS_EVT_LINK_STARTUP_FAIL,
(u32)ret);
goto out;
}
@@ -4553,7 +4722,7 @@ static int ufshcd_link_startup(struct ufs_hba *hba)
dev_err(hba->dev, "link startup failed %d\n", ret);
ufshcd_print_host_state(hba);
ufshcd_print_pwr_info(hba);
- ufshcd_print_host_regs(hba);
+ ufshcd_print_evt_hist(hba);
}
return ret;
}
@@ -4729,11 +4898,27 @@ static int ufshcd_slave_alloc(struct scsi_device *sdev)
*/
static int ufshcd_change_queue_depth(struct scsi_device *sdev, int depth)
{
- struct ufs_hba *hba = shost_priv(sdev->host);
+ return scsi_change_queue_depth(sdev, min(depth, sdev->host->can_queue));
+}
- if (depth > hba->nutrs)
- depth = hba->nutrs;
- return scsi_change_queue_depth(sdev, depth);
+static void ufshcd_hpb_destroy(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+ /* skip well-known LU */
+ if ((sdev->lun >= UFS_UPIU_MAX_UNIT_NUM_ID) ||
+ !(hba->dev_info.hpb_enabled) || !ufshpb_is_allowed(hba))
+ return;
+
+ ufshpb_destroy_lu(hba, sdev);
+}
+
+static void ufshcd_hpb_configure(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+ /* skip well-known LU */
+ if ((sdev->lun >= UFS_UPIU_MAX_UNIT_NUM_ID) ||
+ !(hba->dev_info.hpb_enabled) || !ufshpb_is_allowed(hba))
+ return;
+
+ ufshpb_init_hpb_lu(hba, sdev);
}
/**
@@ -4745,6 +4930,8 @@ static int ufshcd_slave_configure(struct scsi_device *sdev)
struct ufs_hba *hba = shost_priv(sdev->host);
struct request_queue *q = sdev->request_queue;
+ ufshcd_hpb_configure(hba, sdev);
+
blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);
if (hba->quirks & UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE)
blk_queue_update_dma_alignment(q, PAGE_SIZE - 1);
@@ -4754,6 +4941,8 @@ static int ufshcd_slave_configure(struct scsi_device *sdev)
ufshcd_crypto_setup_rq_keyslot_manager(hba, q);
+ trace_android_vh_ufs_update_sdev(sdev);
+
return 0;
}
@@ -4766,6 +4955,9 @@ static void ufshcd_slave_destroy(struct scsi_device *sdev)
struct ufs_hba *hba;
hba = shost_priv(sdev->host);
+
+ ufshcd_hpb_destroy(hba, sdev);
+
/* Drop the reference as it won't be needed anymore */
if (ufshcd_scsi_to_upiu_lun(sdev->lun) == UFS_UPIU_UFS_DEVICE_WLUN) {
unsigned long flags;
@@ -4866,6 +5058,7 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
* UFS device needs urgent BKOPs.
*/
if (!hba->pm_op_in_progress &&
+ !ufshcd_eh_in_progress(hba) &&
ufshcd_is_exception_event(lrbp->ucd_rsp_ptr) &&
schedule_work(&hba->eeh_work)) {
/*
@@ -4875,6 +5068,9 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
*/
pm_runtime_get_noresume(hba->dev);
}
+
+ if (scsi_status == SAM_STAT_GOOD)
+ ufshpb_rsp_upiu(hba, lrbp);
break;
case UPIU_TRANSACTION_REJECT_UPIU:
/* TODO: handle Reject UPIU Response */
@@ -4894,6 +5090,10 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
result |= DID_ABORT << 16;
break;
case OCS_INVALID_COMMAND_STATUS:
+ dev_err_ratelimited(hba->dev,
+ "Retrying request with tag %d / cdb %#02x because of invalid command status\n",
+ lrbp->task_tag, lrbp->cmd && lrbp->cmd->cmnd ?
+ lrbp->cmd->cmnd[0] : 0);
result |= DID_REQUEUE << 16;
break;
case OCS_INVALID_CMD_TABLE_ATTR:
@@ -4910,7 +5110,7 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
dev_err(hba->dev,
"OCS error from controller = %x for tag %d\n",
ocs, lrbp->task_tag);
- ufshcd_print_host_regs(hba);
+ ufshcd_print_evt_hist(hba);
ufshcd_print_host_state(hba);
break;
} /* end of switch */
@@ -4921,6 +5121,24 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
return result;
}
+static bool ufshcd_is_auto_hibern8_error(struct ufs_hba *hba,
+ u32 intr_mask)
+{
+ if (!ufshcd_is_auto_hibern8_supported(hba) ||
+ !ufshcd_is_auto_hibern8_enabled(hba))
+ return false;
+
+ if (!(intr_mask & UFSHCD_UIC_HIBERN8_MASK))
+ return false;
+
+ if (hba->active_uic_cmd &&
+ (hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_ENTER ||
+ hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_EXIT))
+ return false;
+
+ return true;
+}
+
/**
* ufshcd_uic_cmd_compl - handle completion of uic command
* @hba: per adapter instance
@@ -4934,6 +5152,10 @@ static irqreturn_t ufshcd_uic_cmd_compl(struct ufs_hba *hba, u32 intr_status)
{
irqreturn_t retval = IRQ_NONE;
+ spin_lock(hba->host->host_lock);
+ if (ufshcd_is_auto_hibern8_error(hba, intr_status))
+ hba->errors |= (UFSHCD_UIC_HIBERN8_MASK & intr_status);
+
if ((intr_status & UIC_COMMAND_COMPL) && hba->active_uic_cmd) {
hba->active_uic_cmd->argument2 |=
ufshcd_get_uic_cmd_result(hba);
@@ -4954,6 +5176,7 @@ static irqreturn_t ufshcd_uic_cmd_compl(struct ufs_hba *hba, u32 intr_status)
if (retval == IRQ_HANDLED)
ufshcd_add_uic_command_trace(hba, hba->active_uic_cmd,
"complete");
+ spin_unlock(hba->host->host_lock);
return retval;
}
@@ -4969,51 +5192,56 @@ static void __ufshcd_transfer_req_compl(struct ufs_hba *hba,
struct scsi_cmnd *cmd;
int result;
int index;
+ bool update_scaling = false;
for_each_set_bit(index, &completed_reqs, hba->nutrs) {
+ if (!test_and_clear_bit(index, &hba->outstanding_reqs))
+ continue;
lrbp = &hba->lrb[index];
lrbp->compl_time_stamp = ktime_get();
cmd = lrbp->cmd;
if (cmd) {
+ if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
+ ufshcd_update_monitor(hba, lrbp);
+ trace_android_vh_ufs_compl_command(hba, lrbp);
ufshcd_add_command_trace(hba, index, "complete");
result = ufshcd_transfer_rsp_status(hba, lrbp);
scsi_dma_unmap(cmd);
cmd->result = result;
+ ufshcd_crypto_clear_prdt(hba, lrbp);
/* Mark completed command as NULL in LRB */
lrbp->cmd = NULL;
/* Do not touch lrbp after scsi done */
cmd->scsi_done(cmd);
- __ufshcd_release(hba);
+ ufshcd_release(hba);
+ update_scaling = true;
} else if (lrbp->command_type == UTP_CMD_TYPE_DEV_MANAGE ||
lrbp->command_type == UTP_CMD_TYPE_UFS_STORAGE) {
if (hba->dev_cmd.complete) {
+ trace_android_vh_ufs_compl_command(hba, lrbp);
ufshcd_add_command_trace(hba, index,
"dev_complete");
complete(hba->dev_cmd.complete);
+ update_scaling = true;
}
}
- if (ufshcd_is_clkscaling_supported(hba))
- hba->clk_scaling.active_reqs--;
+ if (update_scaling)
+ ufshcd_clk_scaling_update_busy(hba);
}
-
- /* clear corresponding bits of completed commands */
- hba->outstanding_reqs ^= completed_reqs;
-
- ufshcd_clk_scaling_update_busy(hba);
}
/**
- * ufshcd_transfer_req_compl - handle SCSI and query command completion
+ * ufshcd_trc_handler - handle transfer requests completion
* @hba: per adapter instance
+ * @use_utrlcnr: get completed requests from UTRLCNR
*
* Returns
* IRQ_HANDLED - If interrupt is valid
* IRQ_NONE - If invalid interrupt
*/
-static irqreturn_t ufshcd_transfer_req_compl(struct ufs_hba *hba)
+static irqreturn_t ufshcd_trc_handler(struct ufs_hba *hba, bool use_utrlcnr)
{
- unsigned long completed_reqs;
- u32 tr_doorbell;
+ unsigned long completed_reqs = 0;
/* Resetting interrupt aggregation counters first and reading the
* DOOR_BELL afterward allows us to handle all the completed requests.
@@ -5026,8 +5254,24 @@ static irqreturn_t ufshcd_transfer_req_compl(struct ufs_hba *hba)
!(hba->quirks & UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR))
ufshcd_reset_intr_aggr(hba);
- tr_doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
- completed_reqs = tr_doorbell ^ hba->outstanding_reqs;
+ if (use_utrlcnr) {
+ u32 utrlcnr;
+
+ utrlcnr = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_LIST_COMPL);
+ if (utrlcnr) {
+ ufshcd_writel(hba, utrlcnr,
+ REG_UTP_TRANSFER_REQ_LIST_COMPL);
+ completed_reqs = utrlcnr;
+ }
+ } else {
+ unsigned long flags;
+ u32 tr_doorbell;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ tr_doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
+ completed_reqs = tr_doorbell ^ hba->outstanding_reqs;
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ }
if (completed_reqs) {
__ufshcd_transfer_req_compl(hba, completed_reqs);
@@ -5223,7 +5467,7 @@ static inline int ufshcd_get_bkops_status(struct ufs_hba *hba, u32 *status)
* to know whether auto bkops is enabled or disabled after this function
* returns control to it.
*/
-static int ufshcd_bkops_ctrl(struct ufs_hba *hba,
+int ufshcd_bkops_ctrl(struct ufs_hba *hba,
enum bkops_status status)
{
int err;
@@ -5248,6 +5492,7 @@ static int ufshcd_bkops_ctrl(struct ufs_hba *hba,
out:
return err;
}
+EXPORT_SYMBOL_GPL(ufshcd_bkops_ctrl);
/**
* ufshcd_urgent_bkops - handle urgent bkops exception event
@@ -5535,7 +5780,7 @@ static void ufshcd_exception_event_handler(struct work_struct *work)
/* Complete requests that have door-bell cleared */
static void ufshcd_complete_requests(struct ufs_hba *hba)
{
- ufshcd_transfer_req_compl(hba);
+ ufshcd_trc_handler(hba, false);
ufshcd_tmc_handler(hba);
}
@@ -5631,10 +5876,32 @@ static inline void ufshcd_schedule_eh_work(struct ufs_hba *hba)
}
}
+static void ufshcd_clk_scaling_allow(struct ufs_hba *hba, bool allow)
+{
+ down_write(&hba->clk_scaling_lock);
+ hba->clk_scaling.is_allowed = allow;
+ up_write(&hba->clk_scaling_lock);
+}
+
+static void ufshcd_clk_scaling_suspend(struct ufs_hba *hba, bool suspend)
+{
+ if (suspend) {
+ if (hba->clk_scaling.is_enabled)
+ ufshcd_suspend_clkscaling(hba);
+ ufshcd_clk_scaling_allow(hba, false);
+ } else {
+ ufshcd_clk_scaling_allow(hba, true);
+ if (hba->clk_scaling.is_enabled)
+ ufshcd_resume_clkscaling(hba);
+ }
+}
+
static void ufshcd_err_handling_prepare(struct ufs_hba *hba)
{
pm_runtime_get_sync(hba->dev);
- if (pm_runtime_suspended(hba->dev)) {
+ if (pm_runtime_status_suspended(hba->dev) || hba->is_sys_suspended) {
+ enum ufs_pm_op pm_op;
+
/*
* Don't assume anything of pm_runtime_get_sync(), if
* resume fails, irq and clocks can be OFF, and powers
@@ -5649,30 +5916,37 @@ static void ufshcd_err_handling_prepare(struct ufs_hba *hba)
if (!ufshcd_is_clkgating_allowed(hba))
ufshcd_setup_clocks(hba, true);
ufshcd_release(hba);
- ufshcd_vops_resume(hba, UFS_RUNTIME_PM);
+ pm_op = hba->is_sys_suspended ? UFS_SYSTEM_PM : UFS_RUNTIME_PM;
+ ufshcd_vops_resume(hba, pm_op);
} else {
ufshcd_hold(hba, false);
- if (hba->clk_scaling.is_allowed) {
- cancel_work_sync(&hba->clk_scaling.suspend_work);
- cancel_work_sync(&hba->clk_scaling.resume_work);
+ if (ufshcd_is_clkscaling_supported(hba) &&
+ hba->clk_scaling.is_enabled)
ufshcd_suspend_clkscaling(hba);
- }
+ ufshcd_clk_scaling_allow(hba, false);
}
+ ufshcd_scsi_block_requests(hba);
+ /* Drain ufshcd_queuecommand() */
+ down_write(&hba->clk_scaling_lock);
+ up_write(&hba->clk_scaling_lock);
+ cancel_work_sync(&hba->eeh_work);
}
static void ufshcd_err_handling_unprepare(struct ufs_hba *hba)
{
+ ufshcd_scsi_unblock_requests(hba);
ufshcd_release(hba);
- if (hba->clk_scaling.is_allowed)
- ufshcd_resume_clkscaling(hba);
+ if (ufshcd_is_clkscaling_supported(hba))
+ ufshcd_clk_scaling_suspend(hba, false);
pm_runtime_put(hba->dev);
}
static inline bool ufshcd_err_handling_should_stop(struct ufs_hba *hba)
{
- return (hba->ufshcd_state == UFSHCD_STATE_ERROR ||
+ return (!hba->is_powered || hba->shutting_down ||
+ hba->ufshcd_state == UFSHCD_STATE_ERROR ||
(!(hba->saved_err || hba->saved_uic_err || hba->force_reset ||
- ufshcd_is_link_broken(hba))));
+ ufshcd_is_link_broken(hba))));
}
#ifdef CONFIG_PM
@@ -5683,6 +5957,7 @@ static void ufshcd_recover_pm_error(struct ufs_hba *hba)
struct request_queue *q;
int ret;
+ hba->is_sys_suspended = false;
/*
* Set RPM status of hba device to RPM_ACTIVE,
* this also clears its runtime error.
@@ -5741,31 +6016,29 @@ static void ufshcd_err_handler(struct work_struct *work)
hba = container_of(work, struct ufs_hba, eh_work);
+ down(&hba->host_sem);
spin_lock_irqsave(hba->host->host_lock, flags);
if (ufshcd_err_handling_should_stop(hba)) {
if (hba->ufshcd_state != UFSHCD_STATE_ERROR)
hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL;
spin_unlock_irqrestore(hba->host->host_lock, flags);
+ up(&hba->host_sem);
return;
}
ufshcd_set_eh_in_progress(hba);
spin_unlock_irqrestore(hba->host->host_lock, flags);
ufshcd_err_handling_prepare(hba);
+ /* Complete requests that have door-bell cleared by h/w */
+ ufshcd_complete_requests(hba);
spin_lock_irqsave(hba->host->host_lock, flags);
- ufshcd_scsi_block_requests(hba);
+ if (hba->ufshcd_state != UFSHCD_STATE_ERROR)
+ hba->ufshcd_state = UFSHCD_STATE_RESET;
/*
* A full reset and restore might have happened after preparation
* is finished, double check whether we should stop.
*/
- if (ufshcd_err_handling_should_stop(hba)) {
- if (hba->ufshcd_state != UFSHCD_STATE_ERROR)
- hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL;
- goto out;
- }
- hba->ufshcd_state = UFSHCD_STATE_RESET;
-
- /* Complete requests that have door-bell cleared by h/w */
- ufshcd_complete_requests(hba);
+ if (ufshcd_err_handling_should_stop(hba))
+ goto skip_err_handling;
if (hba->dev_quirks & UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS) {
bool ret;
@@ -5774,17 +6047,10 @@ static void ufshcd_err_handler(struct work_struct *work)
/* release the lock as ufshcd_quirk_dl_nac_errors() may sleep */
ret = ufshcd_quirk_dl_nac_errors(hba);
spin_lock_irqsave(hba->host->host_lock, flags);
- if (!ret && !hba->force_reset && ufshcd_is_link_active(hba))
+ if (!ret && ufshcd_err_handling_should_stop(hba))
goto skip_err_handling;
}
- if (hba->force_reset || ufshcd_is_link_broken(hba) ||
- ufshcd_is_saved_err_fatal(hba) ||
- ((hba->saved_err & UIC_ERROR) &&
- (hba->saved_uic_err & (UFSHCD_UIC_DL_NAC_RECEIVED_ERROR |
- UFSHCD_UIC_DL_TCx_REPLAY_ERROR))))
- needs_reset = true;
-
if ((hba->saved_err & (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)) ||
(hba->saved_uic_err &&
(hba->saved_uic_err != UFSHCD_UIC_PA_GENERIC_ERROR))) {
@@ -5793,7 +6059,7 @@ static void ufshcd_err_handler(struct work_struct *work)
spin_unlock_irqrestore(hba->host->host_lock, flags);
ufshcd_print_host_state(hba);
ufshcd_print_pwr_info(hba);
- ufshcd_print_host_regs(hba);
+ ufshcd_print_evt_hist(hba);
ufshcd_print_tmrs(hba, hba->outstanding_tasks);
ufshcd_print_trs(hba, hba->outstanding_reqs, pr_prdt);
spin_lock_irqsave(hba->host->host_lock, flags);
@@ -5804,8 +6070,14 @@ static void ufshcd_err_handler(struct work_struct *work)
* transfers forcefully because they will get cleared during
* host reset and restore
*/
- if (needs_reset)
+ if (hba->force_reset || ufshcd_is_link_broken(hba) ||
+ ufshcd_is_saved_err_fatal(hba) ||
+ ((hba->saved_err & UIC_ERROR) &&
+ (hba->saved_uic_err & (UFSHCD_UIC_DL_NAC_RECEIVED_ERROR |
+ UFSHCD_UIC_DL_TCx_REPLAY_ERROR)))) {
+ needs_reset = true;
goto do_reset;
+ }
/*
* If LINERESET was caught, UFS might have been put to PWM mode,
@@ -5843,12 +6115,11 @@ static void ufshcd_err_handler(struct work_struct *work)
}
lock_skip_pending_xfer_clear:
- spin_lock_irqsave(hba->host->host_lock, flags);
-
/* Complete the requests that are cleared by s/w */
ufshcd_complete_requests(hba);
- hba->silence_err_logs = false;
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ hba->silence_err_logs = false;
if (err_xfer || err_tm) {
needs_reset = true;
goto do_reset;
@@ -5881,19 +6152,6 @@ static void ufshcd_err_handler(struct work_struct *work)
do_reset:
/* Fatal errors need reset */
if (needs_reset) {
- unsigned long max_doorbells = (1UL << hba->nutrs) - 1;
-
- /*
- * ufshcd_reset_and_restore() does the link reinitialization
- * which will need atleast one empty doorbell slot to send the
- * device management commands (NOP and query commands).
- * If there is no slot empty at this moment then free up last
- * slot forcefully.
- */
- if (hba->outstanding_reqs == max_doorbells)
- __ufshcd_transfer_req_compl(hba,
- (1UL << (hba->nutrs - 1)));
-
hba->force_reset = false;
spin_unlock_irqrestore(hba->host->host_lock, flags);
err = ufshcd_reset_and_restore(hba);
@@ -5913,12 +6171,10 @@ static void ufshcd_err_handler(struct work_struct *work)
dev_err_ratelimited(hba->dev, "%s: exit: saved_err 0x%x saved_uic_err 0x%x",
__func__, hba->saved_err, hba->saved_uic_err);
}
-
-out:
ufshcd_clear_eh_in_progress(hba);
spin_unlock_irqrestore(hba->host->host_lock, flags);
- ufshcd_scsi_unblock_requests(hba);
ufshcd_err_handling_unprepare(hba);
+ up(&hba->host_sem);
}
/**
@@ -5938,7 +6194,7 @@ static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba)
reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER);
if ((reg & UIC_PHY_ADAPTER_LAYER_ERROR) &&
(reg & UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK)) {
- ufshcd_update_reg_hist(&hba->ufs_stats.pa_err, reg);
+ ufshcd_update_evt_hist(hba, UFS_EVT_PA_ERR, reg);
/*
* To know whether this error is fatal or not, DB timeout
* must be checked but this error is handled separately.
@@ -5968,7 +6224,7 @@ static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba)
reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DATA_LINK_LAYER);
if ((reg & UIC_DATA_LINK_LAYER_ERROR) &&
(reg & UIC_DATA_LINK_LAYER_ERROR_CODE_MASK)) {
- ufshcd_update_reg_hist(&hba->ufs_stats.dl_err, reg);
+ ufshcd_update_evt_hist(hba, UFS_EVT_DL_ERR, reg);
if (reg & UIC_DATA_LINK_LAYER_ERROR_PA_INIT)
hba->uic_error |= UFSHCD_UIC_DL_PA_INIT_ERROR;
@@ -5987,7 +6243,7 @@ static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba)
reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_NETWORK_LAYER);
if ((reg & UIC_NETWORK_LAYER_ERROR) &&
(reg & UIC_NETWORK_LAYER_ERROR_CODE_MASK)) {
- ufshcd_update_reg_hist(&hba->ufs_stats.nl_err, reg);
+ ufshcd_update_evt_hist(hba, UFS_EVT_NL_ERR, reg);
hba->uic_error |= UFSHCD_UIC_NL_ERROR;
retval |= IRQ_HANDLED;
}
@@ -5995,7 +6251,7 @@ static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba)
reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_TRANSPORT_LAYER);
if ((reg & UIC_TRANSPORT_LAYER_ERROR) &&
(reg & UIC_TRANSPORT_LAYER_ERROR_CODE_MASK)) {
- ufshcd_update_reg_hist(&hba->ufs_stats.tl_err, reg);
+ ufshcd_update_evt_hist(hba, UFS_EVT_TL_ERR, reg);
hba->uic_error |= UFSHCD_UIC_TL_ERROR;
retval |= IRQ_HANDLED;
}
@@ -6003,7 +6259,7 @@ static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba)
reg = ufshcd_readl(hba, REG_UIC_ERROR_CODE_DME);
if ((reg & UIC_DME_ERROR) &&
(reg & UIC_DME_ERROR_CODE_MASK)) {
- ufshcd_update_reg_hist(&hba->ufs_stats.dme_err, reg);
+ ufshcd_update_evt_hist(hba, UFS_EVT_DME_ERR, reg);
hba->uic_error |= UFSHCD_UIC_DME_ERROR;
retval |= IRQ_HANDLED;
}
@@ -6013,47 +6269,37 @@ static irqreturn_t ufshcd_update_uic_error(struct ufs_hba *hba)
return retval;
}
-static bool ufshcd_is_auto_hibern8_error(struct ufs_hba *hba,
- u32 intr_mask)
-{
- if (!ufshcd_is_auto_hibern8_supported(hba) ||
- !ufshcd_is_auto_hibern8_enabled(hba))
- return false;
-
- if (!(intr_mask & UFSHCD_UIC_HIBERN8_MASK))
- return false;
-
- if (hba->active_uic_cmd &&
- (hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_ENTER ||
- hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_EXIT))
- return false;
-
- return true;
-}
-
/**
* ufshcd_check_errors - Check for errors that need s/w attention
* @hba: per-adapter instance
+ * @intr_status: interrupt status generated by the controller
*
* Returns
* IRQ_HANDLED - If interrupt is valid
* IRQ_NONE - If invalid interrupt
*/
-static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba)
+static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba, u32 intr_status)
{
bool queue_eh_work = false;
irqreturn_t retval = IRQ_NONE;
+ spin_lock(hba->host->host_lock);
+ hba->errors |= UFSHCD_ERROR_MASK & intr_status;
+
if (hba->errors & INT_FATAL_ERRORS) {
- ufshcd_update_reg_hist(&hba->ufs_stats.fatal_err, hba->errors);
+ ufshcd_update_evt_hist(hba, UFS_EVT_FATAL_ERR,
+ hba->errors);
queue_eh_work = true;
}
if (hba->errors & UIC_ERROR) {
hba->uic_error = 0;
retval = ufshcd_update_uic_error(hba);
- if (hba->uic_error)
+ if (hba->uic_error) {
+ dev_err(hba->dev,
+ "Scheduling error handler because of an UIC error\n");
queue_eh_work = true;
+ }
}
if (hba->errors & UFSHCD_UIC_HIBERN8_MASK) {
@@ -6062,12 +6308,14 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba)
__func__, (hba->errors & UIC_HIBERNATE_ENTER) ?
"Enter" : "Exit",
hba->errors, ufshcd_get_upmcrs(hba));
- ufshcd_update_reg_hist(&hba->ufs_stats.auto_hibern8_err,
+ ufshcd_update_evt_hist(hba, UFS_EVT_AUTO_HIBERN8_ERR,
hba->errors);
ufshcd_set_link_broken(hba);
queue_eh_work = true;
}
+ trace_android_vh_ufs_check_int_errors(hba, queue_eh_work);
+
if (queue_eh_work) {
/*
* update the transfer error masks to sticky bits, let's do this
@@ -6077,7 +6325,8 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba)
hba->saved_uic_err |= hba->uic_error;
/* dump controller state before resetting */
- if ((hba->saved_err & (INT_FATAL_ERRORS)) ||
+ if ((hba->saved_err &
+ (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)) ||
(hba->saved_uic_err &&
(hba->saved_uic_err != UFSHCD_UIC_PA_GENERIC_ERROR))) {
dev_err(hba->dev, "%s: saved_err 0x%x saved_uic_err 0x%x\n",
@@ -6096,6 +6345,9 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba)
* itself without s/w intervention or errors that will be
* handled by the SCSI core layer.
*/
+ hba->errors = 0;
+ hba->uic_error = 0;
+ spin_unlock(hba->host->host_lock);
return retval;
}
@@ -6109,20 +6361,23 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba)
*/
static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba)
{
- unsigned long pending, issued;
+ struct request **tmf_rqs = ufs_hba_add_info(hba)->tmf_rqs;
+ unsigned long flags, pending, issued;
irqreturn_t ret = IRQ_NONE;
int tag;
pending = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL);
+ spin_lock_irqsave(hba->host->host_lock, flags);
issued = hba->outstanding_tasks & ~pending;
for_each_set_bit(tag, &issued, hba->nutmrs) {
- struct request *req = hba->tmf_rqs[tag];
+ struct request *req = tmf_rqs[tag];
struct completion *c = req->end_io_data;
complete(c);
ret = IRQ_HANDLED;
}
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
return ret;
}
@@ -6140,22 +6395,17 @@ static irqreturn_t ufshcd_sl_intr(struct ufs_hba *hba, u32 intr_status)
{
irqreturn_t retval = IRQ_NONE;
- hba->errors = UFSHCD_ERROR_MASK & intr_status;
-
- if (ufshcd_is_auto_hibern8_error(hba, intr_status))
- hba->errors |= (UFSHCD_UIC_HIBERN8_MASK & intr_status);
-
- if (hba->errors)
- retval |= ufshcd_check_errors(hba);
-
if (intr_status & UFSHCD_UIC_MASK)
retval |= ufshcd_uic_cmd_compl(hba, intr_status);
+ if (intr_status & UFSHCD_ERROR_MASK || hba->errors)
+ retval |= ufshcd_check_errors(hba, intr_status);
+
if (intr_status & UTP_TASK_REQ_COMPL)
retval |= ufshcd_tmc_handler(hba);
if (intr_status & UTP_TRANSFER_REQ_COMPL)
- retval |= ufshcd_transfer_req_compl(hba);
+ retval |= ufshcd_trc_handler(hba, ufshcd_has_utrlcnr(hba));
return retval;
}
@@ -6176,7 +6426,6 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
struct ufs_hba *hba = __hba;
int retries = hba->nutrs;
- spin_lock(hba->host->host_lock);
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
hba->ufs_stats.last_intr_status = intr_status;
hba->ufs_stats.last_intr_ts = ktime_get();
@@ -6208,7 +6457,6 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
ufshcd_dump_regs(hba, 0, UFSHCI_REG_SPACE_SIZE, "host_regs: ");
}
- spin_unlock(hba->host->host_lock);
return retval;
}
@@ -6236,6 +6484,7 @@ static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag)
static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba,
struct utp_task_req_desc *treq, u8 tm_function)
{
+ struct request **tmf_rqs = ufs_hba_add_info(hba)->tmf_rqs;
struct request_queue *q = hba->tmf_queue;
struct Scsi_Host *host = hba->host;
DECLARE_COMPLETION_ONSTACK(wait);
@@ -6256,7 +6505,7 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba,
spin_lock_irqsave(host->host_lock, flags);
task_tag = req->tag;
- hba->tmf_rqs[req->tag] = req;
+ tmf_rqs[req->tag] = req;
treq->req_header.dword_0 |= cpu_to_be32(task_tag);
memcpy(hba->utmrdl_base_addr + task_tag, treq, sizeof(*treq));
@@ -6295,7 +6544,7 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba,
}
spin_lock_irqsave(hba->host->host_lock, flags);
- hba->tmf_rqs[req->tag] = NULL;
+ tmf_rqs[req->tag] = NULL;
__clear_bit(task_tag, &hba->outstanding_tasks);
spin_unlock_irqrestore(hba->host->host_lock, flags);
@@ -6381,7 +6630,6 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
int err = 0;
int tag;
struct completion wait;
- unsigned long flags;
u8 upiu_flags;
down_read(&hba->clk_scaling_lock);
@@ -6397,7 +6645,6 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
init_completion(&wait);
lrbp = &hba->lrb[tag];
WARN_ON(lrbp->cmd);
-
lrbp->cmd = NULL;
lrbp->sense_bufflen = 0;
lrbp->sense_buffer = NULL;
@@ -6407,15 +6654,10 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
ufshcd_prepare_lrbp_crypto(NULL, lrbp);
hba->dev_cmd.type = cmd_type;
- switch (hba->ufs_version) {
- case UFSHCI_VERSION_10:
- case UFSHCI_VERSION_11:
+ if (hba->ufs_version <= ufshci_version(1, 1))
lrbp->command_type = UTP_CMD_TYPE_DEV_MANAGE;
- break;
- default:
+ else
lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE;
- break;
- }
/* update the task tag in the request upiu */
req_upiu->header.dword_0 |= cpu_to_be32(tag);
@@ -6439,10 +6681,8 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba,
/* Make sure descriptors are ready before ringing the doorbell */
wmb();
- spin_lock_irqsave(hba->host->host_lock, flags);
- ufshcd_send_command(hba, tag);
- spin_unlock_irqrestore(hba->host->host_lock, flags);
+ ufshcd_send_command(hba, tag);
/*
* ignore the returning value here - ufshcd_check_query_response is
* bound to fail since dev_cmd.query and dev_cmd.type were left empty.
@@ -6560,7 +6800,6 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)
u32 pos;
int err;
u8 resp = 0xF, lun;
- unsigned long flags;
host = cmd->device->host;
hba = shost_priv(host);
@@ -6579,15 +6818,13 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)
err = ufshcd_clear_cmd(hba, pos);
if (err)
break;
+ __ufshcd_transfer_req_compl(hba, pos);
}
}
- spin_lock_irqsave(host->host_lock, flags);
- ufshcd_transfer_req_compl(hba);
- spin_unlock_irqrestore(host->host_lock, flags);
out:
hba->req_abort_count = 0;
- ufshcd_update_reg_hist(&hba->ufs_stats.dev_reset, (u32)err);
+ ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, (u32)err);
if (!err) {
err = SUCCESS;
} else {
@@ -6610,7 +6847,8 @@ static void ufshcd_set_req_abort_skip(struct ufs_hba *hba, unsigned long bitmap)
/**
* ufshcd_try_to_abort_task - abort a specific task
- * @cmd: SCSI command pointer
+ * @hba: Pointer to adapter instance
+ * @tag: Task tag/index to be aborted
*
* Abort the pending command in device by sending UFS_ABORT_TASK task management
* command, and in host controller by clearing the door-bell register. There can
@@ -6700,7 +6938,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
struct ufs_hba *hba;
unsigned long flags;
unsigned int tag;
- int err = 0;
+ int err = FAILED, res;
struct ufshcd_lrb *lrbp;
u32 reg;
@@ -6715,24 +6953,14 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
BUG();
}
- /*
- * Task abort to the device W-LUN is illegal. When this command
- * will fail, due to spec violation, scsi err handling next step
- * will be to send LU reset which, again, is a spec violation.
- * To avoid these unnecessary/illegal step we skip to the last error
- * handling stage: reset and restore.
- */
- if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN)
- return ufshcd_eh_host_reset_handler(cmd);
-
ufshcd_hold(hba, false);
reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
- /* If command is already aborted/completed, return SUCCESS */
+ /* If command is already aborted/completed, return FAILED. */
if (!(test_bit(tag, &hba->outstanding_reqs))) {
dev_err(hba->dev,
"%s: cmd at tag %d already completed, outstanding=0x%lx, doorbell=0x%x\n",
__func__, tag, hba->outstanding_reqs, reg);
- goto out;
+ goto release;
}
/* Print Transfer Request of aborted task */
@@ -6745,10 +6973,10 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
* to reduce repeated printouts. For other aborted requests only print
* basic details.
*/
- scsi_print_command(hba->lrb[tag].cmd);
+ scsi_print_command(cmd);
if (!hba->req_abort_count) {
- ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, 0);
- ufshcd_print_host_regs(hba);
+ ufshcd_update_evt_hist(hba, UFS_EVT_ABORT, tag);
+ ufshcd_print_evt_hist(hba);
ufshcd_print_host_state(hba);
ufshcd_print_pwr_info(hba);
ufshcd_print_trs(hba, 1 << tag, true);
@@ -6761,32 +6989,46 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
dev_err(hba->dev,
"%s: cmd was completed, but without a notifying intr, tag = %d",
__func__, tag);
- goto cleanup;
- }
-
- /* Skip task abort in case previous aborts failed and report failure */
- if (lrbp->req_abort_skip)
- err = -EIO;
- else
- err = ufshcd_try_to_abort_task(hba, tag);
-
- if (!err) {
-cleanup:
- spin_lock_irqsave(host->host_lock, flags);
- __ufshcd_transfer_req_compl(hba, (1UL << tag));
- spin_unlock_irqrestore(host->host_lock, flags);
-out:
- err = SUCCESS;
- } else {
- dev_err(hba->dev, "%s: failed with err %d\n", __func__, err);
- ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs);
- err = FAILED;
+ __ufshcd_transfer_req_compl(hba, 1UL << tag);
+ goto release;
}
/*
- * This ufshcd_release() corresponds to the original scsi cmd that got
- * aborted here (as we won't get any IRQ for it).
+ * Task abort to the device W-LUN is illegal. When this command
+ * will fail, due to spec violation, scsi err handling next step
+ * will be to send LU reset which, again, is a spec violation.
+ * To avoid these unnecessary/illegal steps, first we clean up
+ * the lrb taken by this cmd and re-set it in outstanding_reqs,
+ * then queue the eh_work and bail.
*/
+ if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN) {
+ ufshcd_update_evt_hist(hba, UFS_EVT_ABORT, lrbp->lun);
+
+ spin_lock_irqsave(host->host_lock, flags);
+ hba->force_reset = true;
+ ufshcd_schedule_eh_work(hba);
+ spin_unlock_irqrestore(host->host_lock, flags);
+ goto release;
+ }
+
+ /* Skip task abort in case previous aborts failed and report failure */
+ if (lrbp->req_abort_skip) {
+ dev_err(hba->dev, "%s: skipping abort\n", __func__);
+ ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs);
+ goto release;
+ }
+
+ res = ufshcd_try_to_abort_task(hba, tag);
+ if (res) {
+ dev_err(hba->dev, "%s: failed with err %d\n", __func__, res);
+ ufshcd_set_req_abort_skip(hba, hba->outstanding_reqs);
+ goto release;
+ }
+
+ err = SUCCESS;
+
+release:
+ /* Matches the ufshcd_hold() call at the start of this function. */
ufshcd_release(hba);
return err;
}
@@ -6804,34 +7046,29 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
static int ufshcd_host_reset_and_restore(struct ufs_hba *hba)
{
int err;
- unsigned long flags;
+ ufshpb_reset_host(hba);
/*
* Stop the host controller and complete the requests
* cleared by h/w
*/
ufshcd_hba_stop(hba);
-
- spin_lock_irqsave(hba->host->host_lock, flags);
hba->silence_err_logs = true;
ufshcd_complete_requests(hba);
hba->silence_err_logs = false;
- spin_unlock_irqrestore(hba->host->host_lock, flags);
/* scale up clocks to max frequency before full reinitialization */
ufshcd_set_clk_freq(hba, true);
err = ufshcd_hba_enable(hba);
- if (err)
- goto out;
/* Establish the link again and restore the device */
- err = ufshcd_probe_hba(hba, false);
+ if (!err)
+ err = ufshcd_probe_hba(hba, false);
-out:
if (err)
dev_err(hba->dev, "%s: Host init failed %d\n", __func__, err);
- ufshcd_update_reg_hist(&hba->ufs_stats.host_reset, (u32)err);
+ ufshcd_update_evt_hist(hba, UFS_EVT_HOST_RESET, (u32)err);
return err;
}
@@ -6877,6 +7114,7 @@ static int ufshcd_reset_and_restore(struct ufs_hba *hba)
*/
scsi_report_bus_reset(hba->host, 0);
if (err) {
+ hba->ufshcd_state = UFSHCD_STATE_ERROR;
hba->saved_err |= saved_err;
hba->saved_uic_err |= saved_uic_err;
}
@@ -7039,16 +7277,6 @@ static void ufshcd_set_active_icc_lvl(struct ufs_hba *hba)
kfree(desc_buf);
}
-static inline void ufshcd_blk_pm_runtime_init(struct scsi_device *sdev)
-{
- scsi_autopm_get_device(sdev);
- blk_pm_runtime_init(sdev->request_queue, &sdev->sdev_gendev);
- if (sdev->rpm_autosuspend)
- pm_runtime_set_autosuspend_delay(&sdev->sdev_gendev,
- RPM_AUTOSUSPEND_DELAY_MS);
- scsi_autopm_put_device(sdev);
-}
-
/**
* ufshcd_scsi_add_wlus - Adds required W-LUs
* @hba: per-adapter instance
@@ -7087,7 +7315,6 @@ static int ufshcd_scsi_add_wlus(struct ufs_hba *hba)
hba->sdev_ufs_device = NULL;
goto out;
}
- ufshcd_blk_pm_runtime_init(hba->sdev_ufs_device);
scsi_device_put(hba->sdev_ufs_device);
hba->sdev_rpmb = __scsi_add_device(hba->host, 0, 0,
@@ -7096,17 +7323,14 @@ static int ufshcd_scsi_add_wlus(struct ufs_hba *hba)
ret = PTR_ERR(hba->sdev_rpmb);
goto remove_sdev_ufs_device;
}
- ufshcd_blk_pm_runtime_init(hba->sdev_rpmb);
scsi_device_put(hba->sdev_rpmb);
sdev_boot = __scsi_add_device(hba->host, 0, 0,
ufshcd_upiu_wlun_to_scsi_wlun(UFS_UPIU_BOOT_WLUN), NULL);
- if (IS_ERR(sdev_boot)) {
+ if (IS_ERR(sdev_boot))
dev_err(hba->dev, "%s: BOOT WLUN not found\n", __func__);
- } else {
- ufshcd_blk_pm_runtime_init(sdev_boot);
+ else
scsi_device_put(sdev_boot);
- }
goto out;
remove_sdev_ufs_device:
@@ -7217,6 +7441,7 @@ static int ufs_get_device_desc(struct ufs_hba *hba)
{
int err;
u8 model_index;
+ u8 b_ufs_feature_sup;
u8 *desc_buf;
struct ufs_dev_info *dev_info = &hba->dev_info;
@@ -7244,9 +7469,26 @@ static int ufs_get_device_desc(struct ufs_hba *hba)
/* getting Specification Version in big endian format */
dev_info->wspecversion = desc_buf[DEVICE_DESC_PARAM_SPEC_VER] << 8 |
desc_buf[DEVICE_DESC_PARAM_SPEC_VER + 1];
+ b_ufs_feature_sup = desc_buf[DEVICE_DESC_PARAM_UFS_FEAT];
model_index = desc_buf[DEVICE_DESC_PARAM_PRDCT_NAME];
+ if (dev_info->wspecversion >= UFS_DEV_HPB_SUPPORT_VERSION &&
+ (b_ufs_feature_sup & UFS_DEV_HPB_SUPPORT)) {
+ bool hpb_en = false;
+
+ ufshpb_get_dev_info(hba, desc_buf);
+
+ if (!ufshpb_is_legacy(hba))
+ err = ufshcd_query_flag_retry(hba,
+ UPIU_QUERY_OPCODE_READ_FLAG,
+ QUERY_FLAG_IDN_HPB_EN, 0,
+ &hpb_en);
+
+ if (ufshpb_is_legacy(hba) || (!err && hpb_en))
+ dev_info->hpb_enabled = true;
+ }
+
err = ufshcd_read_string_desc(hba, model_index,
&dev_info->model, SD_ASCII_STD);
if (err < 0) {
@@ -7475,6 +7717,10 @@ static int ufshcd_device_geo_params_init(struct ufs_hba *hba)
else if (desc_buf[GEOMETRY_DESC_PARAM_MAX_NUM_LUN] == 0)
hba->dev_info.max_lu_supported = 8;
+ if (hba->desc_size[QUERY_DESC_IDN_GEOMETRY] >=
+ GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS)
+ ufshpb_get_geo_info(hba, desc_buf);
+
out:
kfree(desc_buf);
return err;
@@ -7604,16 +7850,18 @@ static int ufshcd_add_lus(struct ufs_hba *hba)
&hba->pwr_info,
sizeof(struct ufs_pa_layer_attr));
hba->clk_scaling.saved_pwr_info.is_valid = true;
- if (!hba->devfreq) {
- ret = ufshcd_devfreq_init(hba);
- if (ret)
- goto out;
- }
-
hba->clk_scaling.is_allowed = true;
+
+ ret = ufshcd_devfreq_init(hba);
+ if (ret)
+ goto out;
+
+ hba->clk_scaling.is_enabled = true;
+ ufshcd_init_clk_scaling_sysfs(hba);
}
ufs_bsg_probe(hba);
+ ufshpb_init(hba);
scsi_scan_host(hba->host);
pm_runtime_put_sync(hba->dev);
@@ -7621,63 +7869,6 @@ static int ufshcd_add_lus(struct ufs_hba *hba)
return ret;
}
-static int
-ufshcd_send_request_sense(struct ufs_hba *hba, struct scsi_device *sdp);
-
-static int ufshcd_clear_ua_wlun(struct ufs_hba *hba, u8 wlun)
-{
- struct scsi_device *sdp;
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(hba->host->host_lock, flags);
- if (wlun == UFS_UPIU_UFS_DEVICE_WLUN)
- sdp = hba->sdev_ufs_device;
- else if (wlun == UFS_UPIU_RPMB_WLUN)
- sdp = hba->sdev_rpmb;
- else
- BUG();
- if (sdp) {
- ret = scsi_device_get(sdp);
- if (!ret && !scsi_device_online(sdp)) {
- ret = -ENODEV;
- scsi_device_put(sdp);
- }
- } else {
- ret = -ENODEV;
- }
- spin_unlock_irqrestore(hba->host->host_lock, flags);
- if (ret)
- goto out_err;
-
- ret = ufshcd_send_request_sense(hba, sdp);
- scsi_device_put(sdp);
-out_err:
- if (ret)
- dev_err(hba->dev, "%s: UAC clear LU=%x ret = %d\n",
- __func__, wlun, ret);
- return ret;
-}
-
-static int ufshcd_clear_ua_wluns(struct ufs_hba *hba)
-{
- int ret = 0;
-
- if (!hba->wlun_dev_clr_ua)
- goto out;
-
- ret = ufshcd_clear_ua_wlun(hba, UFS_UPIU_UFS_DEVICE_WLUN);
- if (!ret)
- ret = ufshcd_clear_ua_wlun(hba, UFS_UPIU_RPMB_WLUN);
- if (!ret)
- hba->wlun_dev_clr_ua = false;
-out:
- if (ret)
- dev_err(hba->dev, "%s: Failed to clear UAC WLUNS ret = %d\n",
- __func__, ret);
- return ret;
-}
-
/**
* ufshcd_probe_hba - probe hba to detect device and initialize
* @hba: per-adapter instance
@@ -7691,10 +7882,15 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool async)
unsigned long flags;
ktime_t start = ktime_get();
+ hba->ufshcd_state = UFSHCD_STATE_RESET;
+
ret = ufshcd_link_startup(hba);
if (ret)
goto out;
+ if (hba->quirks & UFSHCD_QUIRK_SKIP_INTERFACE_CONFIGURATION)
+ goto out;
+
/* Debug counters initialization */
ufshcd_clear_dbg_ufs_stats(hba);
@@ -7726,7 +7922,6 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool async)
/* UFS device is also active now */
ufshcd_set_ufs_dev_active(hba);
ufshcd_force_reset_auto_bkops(hba);
- hba->wlun_dev_clr_ua = true;
/* Gear up to HS gear if supported */
if (hba->max_pwr_info.is_valid) {
@@ -7757,6 +7952,9 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool async)
/* Enable Auto-Hibernate if configured */
ufshcd_auto_hibern8_enable(hba);
+ ufshpb_reset(hba);
+
+ trace_android_rvh_ufs_complete_init(hba);
out:
spin_lock_irqsave(hba->host->host_lock, flags);
if (ret)
@@ -7781,8 +7979,10 @@ static void ufshcd_async_scan(void *data, async_cookie_t cookie)
struct ufs_hba *hba = (struct ufs_hba *)data;
int ret;
+ down(&hba->host_sem);
/* Initialize hba, detect and initialize UFS device */
ret = ufshcd_probe_hba(hba, true);
+ up(&hba->host_sem);
if (ret)
goto out;
@@ -7795,16 +7995,17 @@ static void ufshcd_async_scan(void *data, async_cookie_t cookie)
*/
if (ret) {
pm_runtime_put_sync(hba->dev);
- ufshcd_exit_clk_scaling(hba);
ufshcd_hba_exit(hba);
- } else {
- ufshcd_clear_ua_wluns(hba);
}
}
static const struct attribute_group *ufshcd_driver_groups[] = {
&ufs_sysfs_unit_descriptor_group,
&ufs_sysfs_lun_attributes_group,
+#ifdef CONFIG_SCSI_UFS_HPB
+ &ufs_sysfs_hpb_stat_group,
+ &ufs_sysfs_hpb_param_group,
+#endif
NULL,
};
@@ -7939,7 +8140,7 @@ static int ufshcd_disable_vreg(struct device *dev, struct ufs_vreg *vreg)
{
int ret = 0;
- if (!vreg || !vreg->enabled)
+ if (!vreg || !vreg->enabled || vreg->always_on)
goto out;
ret = regulator_disable(vreg->reg);
@@ -8217,6 +8418,8 @@ static int ufshcd_hba_init(struct ufs_hba *hba)
if (err)
goto out_disable_vreg;
+ ufs_debugfs_hba_init(hba);
+
hba->is_powered = true;
goto out;
@@ -8233,12 +8436,13 @@ static int ufshcd_hba_init(struct ufs_hba *hba)
static void ufshcd_hba_exit(struct ufs_hba *hba)
{
if (hba->is_powered) {
+ ufshcd_exit_clk_scaling(hba);
+ ufshcd_exit_clk_gating(hba);
+ if (hba->eh_wq)
+ destroy_workqueue(hba->eh_wq);
+ ufs_debugfs_hba_exit(hba);
ufshcd_variant_hba_exit(hba);
ufshcd_setup_vreg(hba, false);
- ufshcd_suspend_clkscaling(hba);
- if (ufshcd_is_clkscaling_supported(hba))
- if (hba->devfreq)
- ufshcd_suspend_clkscaling(hba);
ufshcd_setup_clocks(hba, false);
ufshcd_setup_hba_vreg(hba, false);
hba->is_powered = false;
@@ -8246,35 +8450,6 @@ static void ufshcd_hba_exit(struct ufs_hba *hba)
}
}
-static int
-ufshcd_send_request_sense(struct ufs_hba *hba, struct scsi_device *sdp)
-{
- unsigned char cmd[6] = {REQUEST_SENSE,
- 0,
- 0,
- 0,
- UFS_SENSE_SIZE,
- 0};
- char *buffer;
- int ret;
-
- buffer = kzalloc(UFS_SENSE_SIZE, GFP_KERNEL);
- if (!buffer) {
- ret = -ENOMEM;
- goto out;
- }
-
- ret = scsi_execute(sdp, cmd, DMA_FROM_DEVICE, buffer,
- UFS_SENSE_SIZE, NULL, NULL,
- msecs_to_jiffies(1000), 3, 0, RQF_PM, NULL);
- if (ret)
- pr_err("%s: failed with err %d\n", __func__, ret);
-
- kfree(buffer);
-out:
- return ret;
-}
-
/**
* ufshcd_set_dev_pwr_mode - sends START STOP UNIT command to set device
* power mode
@@ -8291,7 +8466,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
struct scsi_sense_hdr sshdr;
struct scsi_device *sdp;
unsigned long flags;
- int ret;
+ int ret, retries;
spin_lock_irqsave(hba->host->host_lock, flags);
sdp = hba->sdev_ufs_device;
@@ -8316,13 +8491,6 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
* handling context.
*/
hba->host->eh_noresume = 1;
- if (hba->wlun_dev_clr_ua) {
- ret = ufshcd_send_request_sense(hba, sdp);
- if (ret)
- goto out;
- /* Unit attention condition is cleared now */
- hba->wlun_dev_clr_ua = false;
- }
cmd[4] = pwr_mode << 4;
@@ -8331,8 +8499,14 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
* callbacks hence set the RQF_PM flag so that it doesn't resume the
* already suspended childs.
*/
- ret = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
- START_STOP_TIMEOUT, 0, 0, RQF_PM, NULL);
+ for (retries = 3; retries > 0; --retries) {
+ ret = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
+ START_STOP_TIMEOUT, 0, 0, RQF_PM, NULL);
+ if (!scsi_status_is_check_condition(ret) ||
+ !scsi_sense_valid(&sshdr) ||
+ sshdr.sense_key != UNIT_ATTENTION)
+ break;
+ }
if (ret) {
sdev_printk(KERN_WARNING, sdp,
"START_STOP failed for power mode: %d, result %x\n",
@@ -8343,7 +8517,7 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
if (!ret)
hba->curr_dev_pwr_mode = pwr_mode;
-out:
+
scsi_device_put(sdp);
hba->host->eh_noresume = 0;
return ret;
@@ -8483,13 +8657,13 @@ static int ufshcd_vreg_set_hpm(struct ufs_hba *hba)
static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba)
{
- if (ufshcd_is_link_off(hba))
+ if (ufshcd_is_link_off(hba) || ufshcd_can_aggressive_pc(hba))
ufshcd_setup_hba_vreg(hba, false);
}
static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba)
{
- if (ufshcd_is_link_off(hba))
+ if (ufshcd_is_link_off(hba) || ufshcd_can_aggressive_pc(hba))
ufshcd_setup_hba_vreg(hba, true);
}
@@ -8527,6 +8701,8 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
req_link_state = UIC_LINK_OFF_STATE;
}
+ ufshpb_suspend(hba);
+
/*
* If we can't transition into any of the low power modes
* just gate the clocks.
@@ -8534,11 +8710,8 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
ufshcd_hold(hba, false);
hba->clk_gating.is_suspended = true;
- if (hba->clk_scaling.is_allowed) {
- cancel_work_sync(&hba->clk_scaling.suspend_work);
- cancel_work_sync(&hba->clk_scaling.resume_work);
- ufshcd_suspend_clkscaling(hba);
- }
+ if (ufshcd_is_clkscaling_supported(hba))
+ ufshcd_clk_scaling_suspend(hba, true);
if (req_dev_pwr_mode == UFS_ACTIVE_PWR_MODE &&
req_link_state == UIC_LINK_ACTIVE_STATE) {
@@ -8582,6 +8755,8 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
ufshcd_wb_need_flush(hba));
}
+ flush_work(&hba->eeh_work);
+
if (req_dev_pwr_mode != hba->curr_dev_pwr_mode) {
if ((ufshcd_is_runtime_pm(pm_op) && !hba->auto_bkops_enabled) ||
!ufshcd_is_runtime_pm(pm_op)) {
@@ -8596,13 +8771,10 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
}
}
- flush_work(&hba->eeh_work);
ret = ufshcd_link_state_transition(hba, req_link_state, 1);
if (ret)
goto set_dev_active;
- ufshcd_vreg_set_lpm(hba);
-
disable_clks:
/*
* Call vendor specific suspend callback. As these callbacks may access
@@ -8626,13 +8798,13 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
hba->clk_gating.state);
}
+ ufshcd_vreg_set_lpm(hba);
+
/* Put the host controller in low power mode if possible */
ufshcd_hba_vreg_set_lpm(hba);
goto out;
set_link_active:
- if (hba->clk_scaling.is_allowed)
- ufshcd_resume_clkscaling(hba);
ufshcd_vreg_set_hpm(hba);
if (ufshcd_is_link_hibern8(hba) && !ufshcd_uic_hibern8_exit(hba))
ufshcd_set_link_active(hba);
@@ -8642,11 +8814,13 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
if (!ufshcd_set_dev_pwr_mode(hba, UFS_ACTIVE_PWR_MODE))
ufshcd_disable_auto_bkops(hba);
enable_gating:
- if (hba->clk_scaling.is_allowed)
- ufshcd_resume_clkscaling(hba);
+ if (ufshcd_is_clkscaling_supported(hba))
+ ufshcd_clk_scaling_suspend(hba, false);
+
hba->clk_gating.is_suspended = false;
hba->dev_info.b_rpm_dev_flush_capable = false;
ufshcd_release(hba);
+ ufshpb_resume(hba);
out:
if (hba->dev_info.b_rpm_dev_flush_capable) {
schedule_delayed_work(&hba->rpm_dev_flush_recheck_work,
@@ -8656,7 +8830,7 @@ static int ufshcd_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
hba->pm_op_in_progress = 0;
if (ret)
- ufshcd_update_reg_hist(&hba->ufs_stats.suspend_err, (u32)ret);
+ ufshcd_update_evt_hist(hba, UFS_EVT_SUSPEND_ERR, (u32)ret);
return ret;
}
@@ -8679,18 +8853,18 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
old_link_state = hba->uic_link_state;
ufshcd_hba_vreg_set_hpm(hba);
- /* Make sure clocks are enabled before accessing controller */
- ret = ufshcd_setup_clocks(hba, true);
+ ret = ufshcd_vreg_set_hpm(hba);
if (ret)
goto out;
+ /* Make sure clocks are enabled before accessing controller */
+ ret = ufshcd_setup_clocks(hba, true);
+ if (ret)
+ goto disable_vreg;
+
/* enable the host irq as host controller would be active soon */
ufshcd_enable_irq(hba);
- ret = ufshcd_vreg_set_hpm(hba);
- if (ret)
- goto disable_irq_and_vops_clks;
-
/*
* Call vendor specific resume callback. As these callbacks may access
* vendor specific host controller register space call them when the
@@ -8698,7 +8872,7 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
*/
ret = ufshcd_vops_resume(hba, pm_op);
if (ret)
- goto disable_vreg;
+ goto disable_irq_and_vops_clks;
if (ufshcd_is_link_hibern8(hba)) {
ret = ufshcd_uic_hibern8_exit(hba);
@@ -8740,12 +8914,14 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
hba->clk_gating.is_suspended = false;
- if (hba->clk_scaling.is_allowed)
- ufshcd_resume_clkscaling(hba);
+ if (ufshcd_is_clkscaling_supported(hba))
+ ufshcd_clk_scaling_suspend(hba, false);
/* Enable Auto-Hibernate if configured */
ufshcd_auto_hibern8_enable(hba);
+ ufshpb_resume(hba);
+
if (hba->dev_info.b_rpm_dev_flush_capable) {
hba->dev_info.b_rpm_dev_flush_capable = false;
cancel_delayed_work(&hba->rpm_dev_flush_recheck_work);
@@ -8760,22 +8936,20 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
ufshcd_link_state_transition(hba, old_link_state, 0);
vendor_suspend:
ufshcd_vops_suspend(hba, pm_op);
-disable_vreg:
- ufshcd_vreg_set_lpm(hba);
disable_irq_and_vops_clks:
ufshcd_disable_irq(hba);
- if (hba->clk_scaling.is_allowed)
- ufshcd_suspend_clkscaling(hba);
ufshcd_setup_clocks(hba, false);
if (ufshcd_is_clkgating_allowed(hba)) {
hba->clk_gating.state = CLKS_OFF;
trace_ufshcd_clk_gating(dev_name(hba->dev),
hba->clk_gating.state);
}
+disable_vreg:
+ ufshcd_vreg_set_lpm(hba);
out:
hba->pm_op_in_progress = 0;
if (ret)
- ufshcd_update_reg_hist(&hba->ufs_stats.resume_err, (u32)ret);
+ ufshcd_update_evt_hist(hba, UFS_EVT_RESUME_ERR, (u32)ret);
return ret;
}
@@ -8792,7 +8966,9 @@ int ufshcd_system_suspend(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
- if (!hba || !hba->is_powered)
+ down(&hba->host_sem);
+
+ if (!hba->is_powered)
return 0;
cancel_delayed_work_sync(&hba->rpm_dev_flush_recheck_work);
@@ -8826,6 +9002,8 @@ int ufshcd_system_suspend(struct ufs_hba *hba)
hba->curr_dev_pwr_mode, hba->uic_link_state);
if (!ret)
hba->is_sys_suspended = true;
+ else
+ up(&hba->host_sem);
return ret;
}
EXPORT_SYMBOL(ufshcd_system_suspend);
@@ -8842,9 +9020,6 @@ int ufshcd_system_resume(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
- if (!hba)
- return -EINVAL;
-
if (!hba->is_powered || pm_runtime_suspended(hba->dev))
/*
* Let the runtime resume take care of resuming
@@ -8859,6 +9034,7 @@ int ufshcd_system_resume(struct ufs_hba *hba)
hba->curr_dev_pwr_mode, hba->uic_link_state);
if (!ret)
hba->is_sys_suspended = false;
+ up(&hba->host_sem);
return ret;
}
EXPORT_SYMBOL(ufshcd_system_resume);
@@ -8876,9 +9052,6 @@ int ufshcd_runtime_suspend(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
- if (!hba)
- return -EINVAL;
-
if (!hba->is_powered)
goto out;
else
@@ -8917,9 +9090,6 @@ int ufshcd_runtime_resume(struct ufs_hba *hba)
int ret = 0;
ktime_t start = ktime_get();
- if (!hba)
- return -EINVAL;
-
if (!hba->is_powered)
goto out;
else
@@ -8950,6 +9120,10 @@ int ufshcd_shutdown(struct ufs_hba *hba)
{
int ret = 0;
+ down(&hba->host_sem);
+ hba->shutting_down = true;
+ up(&hba->host_sem);
+
if (!hba->is_powered)
goto out;
@@ -8962,6 +9136,7 @@ int ufshcd_shutdown(struct ufs_hba *hba)
out:
if (ret)
dev_err(hba->dev, "%s failed, err %d\n", __func__, ret);
+ hba->is_powered = false;
/* allow force shutdown even in case of errors */
return 0;
}
@@ -8975,20 +9150,15 @@ EXPORT_SYMBOL(ufshcd_shutdown);
void ufshcd_remove(struct ufs_hba *hba)
{
ufs_bsg_remove(hba);
+ ufshpb_remove(hba);
ufs_sysfs_remove_nodes(hba->dev);
blk_cleanup_queue(hba->tmf_queue);
blk_mq_free_tag_set(&hba->tmf_tag_set);
blk_cleanup_queue(hba->cmd_queue);
scsi_remove_host(hba->host);
- destroy_workqueue(hba->eh_wq);
/* disable interrupts */
ufshcd_disable_intr(hba, hba->intr_mask);
ufshcd_hba_stop(hba);
-
- ufshcd_exit_clk_scaling(hba);
- ufshcd_exit_clk_gating(hba);
- if (ufshcd_is_clkscaling_supported(hba))
- device_remove_file(hba->dev, &hba->clk_scaling.enable_attr);
ufshcd_hba_exit(hba);
}
EXPORT_SYMBOL_GPL(ufshcd_remove);
@@ -8999,7 +9169,6 @@ EXPORT_SYMBOL_GPL(ufshcd_remove);
*/
void ufshcd_dealloc_host(struct ufs_hba *hba)
{
- ufshcd_crypto_destroy_keyslot_manager(hba);
scsi_host_put(hba->host);
}
EXPORT_SYMBOL_GPL(ufshcd_dealloc_host);
@@ -9040,7 +9209,7 @@ int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
}
host = scsi_host_alloc(&ufshcd_driver_template,
- sizeof(struct ufs_hba));
+ sizeof(struct ufs_hba_add_info));
if (!host) {
dev_err(dev, "scsi_host_alloc failed\n");
err = -ENOMEM;
@@ -9051,6 +9220,7 @@ int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
hba->dev = dev;
*hba_handle = hba;
hba->dev_ref_clk_freq = REF_CLK_FREQ_INVAL;
+ hba->sg_entry_size = sizeof(struct ufshcd_sg_entry);
INIT_LIST_HEAD(&hba->clk_list_head);
@@ -9080,6 +9250,7 @@ static const struct blk_mq_ops ufshcd_tmf_ops = {
*/
int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
{
+ struct request ***tmf_rqs = &ufs_hba_add_info(hba)->tmf_rqs;
int err;
struct Scsi_Host *host = hba->host;
struct device *dev = hba->dev;
@@ -9108,10 +9279,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
/* Get UFS version supported by the controller */
hba->ufs_version = ufshcd_get_ufs_version(hba);
- if ((hba->ufs_version != UFSHCI_VERSION_10) &&
- (hba->ufs_version != UFSHCI_VERSION_11) &&
- (hba->ufs_version != UFSHCI_VERSION_20) &&
- (hba->ufs_version != UFSHCI_VERSION_21))
+ if (hba->ufs_version < ufshci_version(1, 0))
dev_err(hba->dev, "invalid UFS version 0x%x\n",
hba->ufs_version);
@@ -9157,6 +9325,8 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
INIT_WORK(&hba->eh_work, ufshcd_err_handler);
INIT_WORK(&hba->eeh_work, ufshcd_exception_event_handler);
+ sema_init(&hba->host_sem, 1);
+
/* Initialize UIC command mutex */
mutex_init(&hba->uic_cmd_mutex);
@@ -9187,7 +9357,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
err = devm_request_irq(dev, irq, ufshcd_intr, IRQF_SHARED, UFSHCD, hba);
if (err) {
dev_err(hba->dev, "request irq failed\n");
- goto exit_gating;
+ goto out_disable;
} else {
hba->is_irq_enabled = true;
}
@@ -9195,7 +9365,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
err = scsi_add_host(host, hba->dev);
if (err) {
dev_err(hba->dev, "scsi_add_host failed\n");
- goto exit_gating;
+ goto out_disable;
}
hba->cmd_queue = blk_mq_init_queue(&hba->host->tag_set);
@@ -9218,9 +9388,9 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
err = PTR_ERR(hba->tmf_queue);
goto free_tmf_tag_set;
}
- hba->tmf_rqs = devm_kcalloc(hba->dev, hba->nutmrs,
- sizeof(*hba->tmf_rqs), GFP_KERNEL);
- if (!hba->tmf_rqs) {
+ *tmf_rqs = devm_kcalloc(hba->dev, hba->nutmrs, sizeof(**tmf_rqs),
+ GFP_KERNEL);
+ if (!*tmf_rqs) {
err = -ENOMEM;
goto free_tmf_queue;
}
@@ -9234,7 +9404,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
err = ufshcd_hba_enable(hba);
if (err) {
dev_err(hba->dev, "Host controller enable failed\n");
- ufshcd_print_host_regs(hba);
+ ufshcd_print_evt_hist(hba);
ufshcd_print_host_state(hba);
goto free_tmf_queue;
}
@@ -9272,8 +9442,9 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
ufshcd_set_ufs_dev_active(hba);
async_schedule(ufshcd_async_scan, hba);
- ufs_sysfs_add_nodes(hba->dev);
+ ufs_sysfs_add_nodes(hba);
+ device_enable_async_suspend(dev);
return 0;
free_tmf_queue:
@@ -9284,10 +9455,6 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
blk_cleanup_queue(hba->cmd_queue);
out_remove_scsi_host:
scsi_remove_host(hba->host);
-exit_gating:
- ufshcd_exit_clk_scaling(hba);
- ufshcd_exit_clk_gating(hba);
- destroy_workqueue(hba->eh_wq);
out_disable:
hba->is_irq_enabled = false;
ufshcd_hba_exit(hba);
@@ -9296,6 +9463,20 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
}
EXPORT_SYMBOL_GPL(ufshcd_init);
+static int __init ufshcd_core_init(void)
+{
+ ufs_debugfs_init();
+ return 0;
+}
+
+static void __exit ufshcd_core_exit(void)
+{
+ ufs_debugfs_exit();
+}
+
+module_init(ufshcd_core_init);
+module_exit(ufshcd_core_exit);
+
MODULE_AUTHOR("Santosh Yaragnavi <santosh.sy@samsung.com>");
MODULE_AUTHOR("Vinayak Holikatti <h.vinayak@samsung.com>");
MODULE_DESCRIPTION("Generic UFS host controller driver Core");
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 35dd519..7150c88 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -43,6 +43,7 @@
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_eh.h>
+#include <linux/android_kabi.h>
#include "ufs.h"
#include "ufs_quirks.h"
@@ -58,6 +59,29 @@ enum dev_cmd_type {
DEV_CMD_TYPE_QUERY = 0x1,
};
+enum ufs_event_type {
+ /* uic specific errors */
+ UFS_EVT_PA_ERR = 0,
+ UFS_EVT_DL_ERR,
+ UFS_EVT_NL_ERR,
+ UFS_EVT_TL_ERR,
+ UFS_EVT_DME_ERR,
+
+ /* fatal errors */
+ UFS_EVT_AUTO_HIBERN8_ERR,
+ UFS_EVT_FATAL_ERR,
+ UFS_EVT_LINK_STARTUP_FAIL,
+ UFS_EVT_RESUME_ERR,
+ UFS_EVT_SUSPEND_ERR,
+
+ /* abnormal events */
+ UFS_EVT_DEV_RESET,
+ UFS_EVT_HOST_RESET,
+ UFS_EVT_ABORT,
+
+ UFS_EVT_CNT,
+};
+
/**
* struct uic_command - UIC command structure
* @command: UIC command
@@ -194,6 +218,8 @@ struct ufshcd_lrb {
#endif
bool req_abort_skip;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -292,6 +318,7 @@ struct ufs_pwr_mode_info {
* @phy_initialization: used to initialize phys
* @device_reset: called to issue a reset pulse on the UFS device
* @program_key: program or evict an inline encryption key
+ * @event_notify: called to notify important events
*/
struct ufs_hba_variant_ops {
const char *name;
@@ -327,6 +354,13 @@ struct ufs_hba_variant_ops {
void *data);
int (*program_key)(struct ufs_hba *hba,
const union ufs_crypto_cfg_entry *cfg, int slot);
+ void (*event_notify)(struct ufs_hba *hba,
+ enum ufs_event_type evt, void *data);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/* clock gating state */
@@ -350,6 +384,7 @@ enum clk_gating_state {
* @delay_attr: sysfs attribute to control delay_attr
* @enable_attr: sysfs attribute to enable/disable clock gating
* @is_enabled: Indicates the current status of clock gating
+ * @is_initialized: Indicates whether clock gating is initialized or not
* @active_reqs: number of requests that are pending and should be waited for
* completion before gating clocks.
*/
@@ -362,8 +397,11 @@ struct ufs_clk_gating {
struct device_attribute delay_attr;
struct device_attribute enable_attr;
bool is_enabled;
+ bool is_initialized;
int active_reqs;
struct workqueue_struct *clk_gating_workq;
+
+ ANDROID_KABI_RESERVE(1);
};
struct ufs_saved_pwr_info {
@@ -385,7 +423,12 @@ struct ufs_saved_pwr_info {
* @workq: workqueue to schedule devfreq suspend/resume work
* @suspend_work: worker to suspend devfreq
* @resume_work: worker to resume devfreq
- * @is_allowed: tracks if scaling is currently allowed or not
+ * @min_gear: lowest HS gear to scale down to
+ * @is_enabled: tracks if scaling is currently enabled or not, controlled by
+ clkscale_enable sysfs node
+ * @is_allowed: tracks if scaling is currently allowed or not, used to block
+ clock scaling which is not invoked from devfreq governor
+ * @is_initialized: Indicates whether clock scaling is initialized or not
* @is_busy_started: tracks if busy period has started or not
* @is_suspended: tracks if devfreq is suspended or not
*/
@@ -399,22 +442,29 @@ struct ufs_clk_scaling {
struct workqueue_struct *workq;
struct work_struct suspend_work;
struct work_struct resume_work;
+ u32 min_gear;
+ bool is_enabled;
bool is_allowed;
+ bool is_initialized;
bool is_busy_started;
bool is_suspended;
+
+ ANDROID_KABI_RESERVE(1);
};
-#define UFS_ERR_REG_HIST_LENGTH 8
+#define UFS_EVENT_HIST_LENGTH 8
/**
- * struct ufs_err_reg_hist - keeps history of errors
+ * struct ufs_event_hist - keeps history of errors
* @pos: index to indicate cyclic buffer position
* @reg: cyclic buffer for registers value
* @tstamp: cyclic buffer for time stamp
+ * @cnt: error counter
*/
-struct ufs_err_reg_hist {
+struct ufs_event_hist {
int pos;
- u32 reg[UFS_ERR_REG_HIST_LENGTH];
- ktime_t tstamp[UFS_ERR_REG_HIST_LENGTH];
+ u32 val[UFS_EVENT_HIST_LENGTH];
+ ktime_t tstamp[UFS_EVENT_HIST_LENGTH];
+ unsigned long long cnt;
};
/**
@@ -425,19 +475,6 @@ struct ufs_err_reg_hist {
* reset this after link-startup.
* @last_hibern8_exit_tstamp: Set time after the hibern8 exit.
* Clear after the first successful command completion.
- * @pa_err: tracks pa-uic errors
- * @dl_err: tracks dl-uic errors
- * @nl_err: tracks nl-uic errors
- * @tl_err: tracks tl-uic errors
- * @dme_err: tracks dme errors
- * @auto_hibern8_err: tracks auto-hibernate errors
- * @fatal_err: tracks fatal errors
- * @linkup_err: tracks link-startup errors
- * @resume_err: tracks resume errors
- * @suspend_err: tracks suspend errors
- * @dev_reset: tracks device reset events
- * @host_reset: tracks host reset events
- * @tsk_abort: tracks task abort events
*/
struct ufs_stats {
u32 last_intr_status;
@@ -445,25 +482,7 @@ struct ufs_stats {
u32 hibern8_exit_cnt;
ktime_t last_hibern8_exit_tstamp;
-
- /* uic specific errors */
- struct ufs_err_reg_hist pa_err;
- struct ufs_err_reg_hist dl_err;
- struct ufs_err_reg_hist nl_err;
- struct ufs_err_reg_hist tl_err;
- struct ufs_err_reg_hist dme_err;
-
- /* fatal errors */
- struct ufs_err_reg_hist auto_hibern8_err;
- struct ufs_err_reg_hist fatal_err;
- struct ufs_err_reg_hist link_startup_err;
- struct ufs_err_reg_hist resume_err;
- struct ufs_err_reg_hist suspend_err;
-
- /* abnormal events */
- struct ufs_err_reg_hist dev_reset;
- struct ufs_err_reg_hist host_reset;
- struct ufs_err_reg_hist task_abort;
+ struct ufs_event_hist event[UFS_EVT_CNT];
};
enum ufshcd_quirks {
@@ -557,6 +576,41 @@ enum ufshcd_quirks {
* This quirk allows only sg entries aligned with page size.
*/
UFSHCD_QUIRK_ALIGN_SG_WITH_PAGE_SIZE = 1 << 14,
+
+ /*
+ * This quirk needs to be enabled if the host controller does not
+ * support UIC command
+ */
+ UFSHCD_QUIRK_BROKEN_UIC_CMD = 1 << 15,
+
+ /*
+ * This quirk needs to be enabled if the host controller cannot
+ * support interface configuration.
+ */
+ UFSHCD_QUIRK_SKIP_INTERFACE_CONFIGURATION = 1 << 16,
+
+ /*
+ * This quirk needs to be enabled if the host controller supports inline
+ * encryption, but it needs to initialize the crypto capabilities in a
+ * nonstandard way and/or it needs to override blk_ksm_ll_ops. If
+ * enabled, the standard code won't initialize the blk_keyslot_manager;
+ * ufs_hba_variant_ops::init() must do it instead.
+ */
+ UFSHCD_QUIRK_CUSTOM_KEYSLOT_MANAGER = 1 << 20,
+
+ /*
+ * This quirk needs to be enabled if the host controller supports inline
+ * encryption, but the CRYPTO_GENERAL_ENABLE bit is not implemented and
+ * breaks the HCE sequence if used.
+ */
+ UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE = 1 << 21,
+
+ /*
+ * This quirk needs to be enabled if the host controller requires that
+ * the PRDT be cleared after each encrypted request because encryption
+ * keys were stored in it.
+ */
+ UFSHCD_QUIRK_KEYS_IN_PRDT = 1 << 22,
};
enum ufshcd_caps {
@@ -607,6 +661,13 @@ enum ufshcd_caps {
* inline crypto engine, if it is present
*/
UFSHCD_CAP_CRYPTO = 1 << 8,
+
+ /*
+ * This capability allows the controller regulators to be put into
+ * lpm mode aggressively during clock gating.
+ * This would increase power savings.
+ */
+ UFSHCD_CAP_AGGR_POWER_COLLAPSE = 1 << 9,
};
struct ufs_hba_variant_params {
@@ -616,6 +677,50 @@ struct ufs_hba_variant_params {
u32 wb_flush_threshold;
};
+#ifdef CONFIG_SCSI_UFS_HPB
+/**
+ * struct ufshpb_dev_info - UFSHPB device related info
+ * @num_lu: the number of user logical unit to check whether all lu finished
+ * initialization
+ * @rgn_size: device reported HPB region size
+ * @srgn_size: device reported HPB sub-region size
+ * @slave_conf_cnt: counter to check all lu finished initialization
+ * @hpb_disabled: flag to check if HPB is disabled
+ * @max_hpb_single_cmd: device reported bMAX_DATA_SIZE_FOR_SINGLE_CMD value
+ * @is_legacy: flag to check HPB 1.0
+ * @control_mode: either host or device
+ */
+struct ufshpb_dev_info {
+ int num_lu;
+ int rgn_size;
+ int srgn_size;
+ atomic_t slave_conf_cnt;
+ bool hpb_disabled;
+ u8 max_hpb_single_cmd;
+ bool is_legacy;
+ u8 control_mode;
+};
+#endif
+
+struct ufs_hba_monitor {
+ unsigned long chunk_size;
+
+ unsigned long nr_sec_rw[2];
+ ktime_t total_busy[2];
+
+ unsigned long nr_req[2];
+ /* latencies*/
+ ktime_t lat_sum[2];
+ ktime_t lat_max[2];
+ ktime_t lat_min[2];
+
+ u32 nr_queued[2];
+ ktime_t busy_start_ts[2];
+
+ ktime_t enabled_ts;
+ bool enabled;
+};
+
/**
* struct ufs_hba - per adapter private structure
* @mmio_base: UFSHCI base register address
@@ -637,6 +742,7 @@ struct ufs_hba_variant_params {
* @ufs_version: UFS Version to which controller complies
* @vops: pointer to variant specific operations
* @priv: pointer to variant specific private data
+ * @sg_entry_size: size of struct ufshcd_sg_entry (may include variant fields)
* @irq: Irq number of the controller
* @active_uic_cmd: handle of active UIC command
* @uic_cmd_mutex: mutex for uic command
@@ -648,6 +754,8 @@ struct ufs_hba_variant_params {
* @intr_mask: Interrupt Mask Bits
* @ee_ctrl_mask: Exception event control mask
* @is_powered: flag to check if HBA is powered
+ * @shutting_down: flag to check if shutdown has been invoked
+ * @host_sem: semaphore used to serialize concurrent contexts
* @eh_wq: Workqueue that eh_work works on
* @eh_work: Worker to handle UFS errors that require s/w attention
* @eeh_work: Worker to handle exception events
@@ -723,6 +831,7 @@ struct ufs_hba {
const struct ufs_hba_variant_ops *vops;
struct ufs_hba_variant_params *vps;
void *priv;
+ size_t sg_entry_size;
unsigned int irq;
bool is_irq_enabled;
enum ufs_ref_clk_freq dev_ref_clk_freq;
@@ -734,7 +843,12 @@ struct ufs_hba {
struct blk_mq_tag_set tmf_tag_set;
struct request_queue *tmf_queue;
+#if 0
+ /*
+ * This has been moved into struct ufs_hba_add_info because of the GKI.
+ */
struct request **tmf_rqs;
+#endif
struct uic_command *active_uic_cmd;
struct mutex uic_cmd_mutex;
@@ -745,6 +859,8 @@ struct ufs_hba {
u32 intr_mask;
u16 ee_ctrl_mask;
bool is_powered;
+ bool shutting_down;
+ struct semaphore host_sem;
/* Work Queues */
struct workqueue_struct *eh_wq;
@@ -802,12 +918,27 @@ struct ufs_hba {
bool wb_enabled;
struct delayed_work rpm_dev_flush_recheck_work;
+#if 0
+ /* This has been moved into struct ufs_hba_add_info. */
+ struct ufshpb_dev_info ufshpb_dev;
+#endif
+
+ struct ufs_hba_monitor monitor;
+
#ifdef CONFIG_SCSI_UFS_CRYPTO
union ufs_crypto_capabilities crypto_capabilities;
union ufs_crypto_cap_entry *crypto_cap_array;
u32 crypto_cfg_register;
struct blk_keyslot_manager ksm;
#endif
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_root;
+#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/* Returns true if clocks can be gated. Otherwise false */
@@ -846,6 +977,12 @@ return true;
#endif
}
+static inline bool ufshcd_can_aggressive_pc(struct ufs_hba *hba)
+{
+ return !!(ufshcd_is_link_hibern8(hba) &&
+ (hba->caps & UFSHCD_CAP_AGGR_POWER_COLLAPSE));
+}
+
static inline bool ufshcd_is_auto_hibern8_supported(struct ufs_hba *hba)
{
return (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) &&
@@ -862,6 +999,11 @@ static inline bool ufshcd_is_wb_allowed(struct ufs_hba *hba)
return hba->caps & UFSHCD_CAP_WB_EN;
}
+static inline bool ufshcd_is_user_access_allowed(struct ufs_hba *hba)
+{
+ return !hba->shutting_down;
+}
+
#define ufshcd_writel(hba, val, reg) \
writel((val), (hba)->mmio_base + (reg))
#define ufshcd_readl(hba, reg) \
@@ -897,8 +1039,8 @@ int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,
u32 val, unsigned long interval_us,
unsigned long timeout_ms);
void ufshcd_parse_dev_ref_clk_freq(struct ufs_hba *hba, struct clk *refclk);
-void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist,
- u32 reg);
+void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val);
+void ufshcd_hba_stop(struct ufs_hba *hba);
static inline void check_upiu_size(void)
{
@@ -1025,8 +1167,14 @@ int ufshcd_read_desc_param(struct ufs_hba *hba,
u8 param_size);
int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode,
enum attr_idn idn, u8 index, u8 selector, u32 *attr_val);
+int ufshcd_query_attr_retry(struct ufs_hba *hba,
+ enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector,
+ u32 *attr_val);
int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode,
enum flag_idn idn, u8 index, bool *flag_res);
+int ufshcd_query_flag_retry(struct ufs_hba *hba,
+ enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res);
+int ufshcd_bkops_ctrl(struct ufs_hba *hba, enum bkops_status status);
void ufshcd_auto_hibern8_enable(struct ufs_hba *hba);
void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit);
@@ -1083,6 +1231,11 @@ static inline u32 ufshcd_vops_get_ufs_hci_version(struct ufs_hba *hba)
return ufshcd_readl(hba, REG_UFS_VERSION);
}
+static inline bool ufshcd_has_utrlcnr(struct ufs_hba *hba)
+{
+ return (hba->ufs_version >= ufshci_version(3, 0));
+}
+
static inline int ufshcd_vops_clk_scale_notify(struct ufs_hba *hba,
bool up, enum ufs_notify_change_status status)
{
@@ -1091,6 +1244,14 @@ static inline int ufshcd_vops_clk_scale_notify(struct ufs_hba *hba,
return 0;
}
+static inline void ufshcd_vops_event_notify(struct ufs_hba *hba,
+ enum ufs_event_type evt,
+ void *data)
+{
+ if (hba->vops && hba->vops->event_notify)
+ hba->vops->event_notify(hba, evt, data);
+}
+
static inline int ufshcd_vops_setup_clocks(struct ufs_hba *hba, bool on,
enum ufs_notify_change_status status)
{
@@ -1139,8 +1300,13 @@ static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba,
static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag,
bool is_scsi_cmd)
{
- if (hba->vops && hba->vops->setup_xfer_req)
- return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
+ if (hba->vops && hba->vops->setup_xfer_req) {
+ unsigned long flags;
+
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd);
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ }
}
static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba,
@@ -1206,7 +1372,7 @@ static inline void ufshcd_vops_device_reset(struct ufs_hba *hba)
}
}
if (err != -EOPNOTSUPP)
- ufshcd_update_reg_hist(&hba->ufs_stats.dev_reset, err);
+ ufshcd_update_evt_hist(hba, UFS_EVT_DEV_RESET, err);
}
}
@@ -1237,5 +1403,6 @@ static inline u8 ufshcd_scsi_to_upiu_lun(unsigned int scsi_lun)
int ufshcd_dump_regs(struct ufs_hba *hba, size_t offset, size_t len,
const char *prefix);
-
+int ufshcd_uic_hibern8_enter(struct ufs_hba *hba);
+int ufshcd_uic_hibern8_exit(struct ufs_hba *hba);
#endif /* End of Header */
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index 6795e1f..757727d 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -39,6 +39,7 @@ enum {
REG_UTP_TRANSFER_REQ_DOOR_BELL = 0x58,
REG_UTP_TRANSFER_REQ_LIST_CLEAR = 0x5C,
REG_UTP_TRANSFER_REQ_LIST_RUN_STOP = 0x60,
+ REG_UTP_TRANSFER_REQ_LIST_COMPL = 0x64,
REG_UTP_TASK_REQ_LIST_BASE_L = 0x70,
REG_UTP_TASK_REQ_LIST_BASE_H = 0x74,
REG_UTP_TASK_REQ_DOOR_BELL = 0x78,
@@ -74,13 +75,17 @@ enum {
#define MINOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 0)
#define MAJOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 16)
-/* Controller UFSHCI version */
-enum {
- UFSHCI_VERSION_10 = 0x00010000, /* 1.0 */
- UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */
- UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */
- UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */
-};
+/*
+ * Controller UFSHCI version
+ * - 2.x and newer use the following scheme:
+ * major << 8 + minor << 4
+ * - 1.x has been converted to match this in
+ * ufshcd_get_ufs_version()
+ */
+static inline u32 ufshci_version(u32 major, u32 minor)
+{
+ return (major << 8) + (minor << 4);
+}
/*
* HCDDID - Host Controller Identification Descriptor
@@ -418,20 +423,28 @@ struct ufshcd_sg_entry {
__le32 upper_addr;
__le32 reserved;
__le32 size;
+ /*
+ * followed by variant-specific fields if
+ * hba->sg_entry_size != sizeof(struct ufshcd_sg_entry)
+ */
};
/**
* struct utp_transfer_cmd_desc - UFS Command Descriptor structure
* @command_upiu: Command UPIU Frame address
* @response_upiu: Response UPIU Frame address
- * @prd_table: Physical Region Descriptor
+ * @prd_table: Physical Region Descriptor: an array of SG_ALL struct
+ * ufshcd_sg_entry's. Variant-specific fields may be present after each.
*/
struct utp_transfer_cmd_desc {
u8 command_upiu[ALIGNED_UPIU_SIZE];
u8 response_upiu[ALIGNED_UPIU_SIZE];
- struct ufshcd_sg_entry prd_table[SG_ALL];
+ u8 prd_table[];
};
+#define sizeof_utp_transfer_cmd_desc(hba) \
+ (sizeof(struct utp_transfer_cmd_desc) + SG_ALL * (hba)->sg_entry_size)
+
/**
* struct request_desc_header - Descriptor Header common to both UTRD and UTMRD
* @dword0: Descriptor Header DW0
diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
new file mode 100644
index 0000000..a869668
--- /dev/null
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -0,0 +1,2941 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Universal Flash Storage Host Performance Booster
+ *
+ * Copyright (C) 2017-2021 Samsung Electronics Co., Ltd.
+ *
+ * Authors:
+ * Yongmyung Lee <ymhungry.lee@samsung.com>
+ * Jinyoung Choi <j-young.choi@samsung.com>
+ */
+
+#include <asm/unaligned.h>
+#include <linux/async.h>
+
+#include "ufshcd.h"
+#include "ufshcd-add-info.h"
+#include "ufshpb.h"
+#include "../sd.h"
+
+#define ACTIVATION_THRESHOLD 8 /* 8 IOs */
+#define READ_TO_MS 1000
+#define READ_TO_EXPIRIES 100
+#define POLLING_INTERVAL_MS 200
+#define THROTTLE_MAP_REQ_DEFAULT 1
+
+/* memory management */
+static struct kmem_cache *ufshpb_mctx_cache;
+static mempool_t *ufshpb_mctx_pool;
+static mempool_t *ufshpb_page_pool;
+/* A cache size of 2MB can cache ppn in the 1GB range. */
+static unsigned int ufshpb_host_map_kbytes = 2048;
+static int tot_active_srgn_pages;
+
+static struct workqueue_struct *ufshpb_wq;
+
+static void ufshpb_update_active_info(struct ufshpb_lu *hpb, int rgn_idx,
+ int srgn_idx);
+
+static inline struct ufshpb_dev_info *ufs_hba_to_hpb(struct ufs_hba *hba)
+{
+ return &ufs_hba_add_info(hba)->hpb_dev;
+}
+
+bool ufshpb_is_allowed(struct ufs_hba *hba)
+{
+ return !(ufs_hba_to_hpb(hba)->hpb_disabled);
+}
+
+/* HPB version 1.0 is called as legacy version. */
+bool ufshpb_is_legacy(struct ufs_hba *hba)
+{
+ return ufs_hba_to_hpb(hba)->is_legacy;
+}
+
+static struct ufshpb_lu *ufshpb_get_hpb_data(struct scsi_device *sdev)
+{
+ return sdev->hostdata;
+}
+
+static int ufshpb_get_state(struct ufshpb_lu *hpb)
+{
+ return atomic_read(&hpb->hpb_state);
+}
+
+static void ufshpb_set_state(struct ufshpb_lu *hpb, int state)
+{
+ atomic_set(&hpb->hpb_state, state);
+}
+
+static int ufshpb_is_valid_srgn(struct ufshpb_region *rgn,
+ struct ufshpb_subregion *srgn)
+{
+ return rgn->rgn_state != HPB_RGN_INACTIVE &&
+ srgn->srgn_state == HPB_SRGN_VALID;
+}
+
+static bool ufshpb_is_read_cmd(struct scsi_cmnd *cmd)
+{
+ return req_op(cmd->request) == REQ_OP_READ;
+}
+
+static bool ufshpb_is_write_or_discard(struct scsi_cmnd *cmd)
+{
+ return op_is_write(req_op(cmd->request)) ||
+ op_is_discard(req_op(cmd->request));
+}
+
+static bool ufshpb_is_supported_chunk(struct ufshpb_lu *hpb, int transfer_len)
+{
+ return transfer_len <= hpb->pre_req_max_tr_len;
+}
+
+/*
+ * In this driver, WRITE_BUFFER CMD support 36KB (len=9) ~ 1MB (len=256) as
+ * default. It is possible to change range of transfer_len through sysfs.
+ */
+static inline bool ufshpb_is_required_wb(struct ufshpb_lu *hpb, int len)
+{
+ return len > hpb->pre_req_min_tr_len &&
+ len <= hpb->pre_req_max_tr_len;
+}
+
+static bool ufshpb_is_general_lun(int lun)
+{
+ return lun < UFS_UPIU_MAX_UNIT_NUM_ID;
+}
+
+static bool ufshpb_is_pinned_region(struct ufshpb_lu *hpb, int rgn_idx)
+{
+ if (hpb->lu_pinned_end != PINNED_NOT_SET &&
+ rgn_idx >= hpb->lu_pinned_start &&
+ rgn_idx <= hpb->lu_pinned_end)
+ return true;
+
+ return false;
+}
+
+static void ufshpb_kick_map_work(struct ufshpb_lu *hpb)
+{
+ bool ret = false;
+ unsigned long flags;
+
+ if (ufshpb_get_state(hpb) != HPB_PRESENT)
+ return;
+
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ if (!list_empty(&hpb->lh_inact_rgn) || !list_empty(&hpb->lh_act_srgn))
+ ret = true;
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+
+ if (ret)
+ queue_work(ufshpb_wq, &hpb->map_work);
+}
+
+static bool ufshpb_is_hpb_rsp_valid(struct ufs_hba *hba,
+ struct ufshcd_lrb *lrbp,
+ struct utp_hpb_rsp *rsp_field)
+{
+ /* Check HPB_UPDATE_ALERT */
+ if (!(lrbp->ucd_rsp_ptr->header.dword_2 &
+ UPIU_HEADER_DWORD(0, 2, 0, 0)))
+ return false;
+
+ if (be16_to_cpu(rsp_field->sense_data_len) != DEV_SENSE_SEG_LEN ||
+ rsp_field->desc_type != DEV_DES_TYPE ||
+ rsp_field->additional_len != DEV_ADDITIONAL_LEN ||
+ rsp_field->active_rgn_cnt > MAX_ACTIVE_NUM ||
+ rsp_field->inactive_rgn_cnt > MAX_INACTIVE_NUM ||
+ rsp_field->hpb_op == HPB_RSP_NONE ||
+ (rsp_field->hpb_op == HPB_RSP_REQ_REGION_UPDATE &&
+ !rsp_field->active_rgn_cnt && !rsp_field->inactive_rgn_cnt))
+ return false;
+
+ if (!ufshpb_is_general_lun(rsp_field->lun)) {
+ dev_warn(hba->dev, "ufshpb: lun(%d) not supported\n",
+ lrbp->lun);
+ return false;
+ }
+
+ return true;
+}
+
+static void ufshpb_iterate_rgn(struct ufshpb_lu *hpb, int rgn_idx, int srgn_idx,
+ int srgn_offset, int cnt, bool set_dirty)
+{
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn, *prev_srgn = NULL;
+ int set_bit_len;
+ int bitmap_len;
+ unsigned long flags;
+
+next_srgn:
+ rgn = hpb->rgn_tbl + rgn_idx;
+ srgn = rgn->srgn_tbl + srgn_idx;
+
+ if (likely(!srgn->is_last))
+ bitmap_len = hpb->entries_per_srgn;
+ else
+ bitmap_len = hpb->last_srgn_entries;
+
+ if ((srgn_offset + cnt) > bitmap_len)
+ set_bit_len = bitmap_len - srgn_offset;
+ else
+ set_bit_len = cnt;
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ if (rgn->rgn_state != HPB_RGN_INACTIVE) {
+ if (set_dirty) {
+ if (srgn->srgn_state == HPB_SRGN_VALID)
+ bitmap_set(srgn->mctx->ppn_dirty, srgn_offset,
+ set_bit_len);
+ } else if (hpb->is_hcm) {
+ /* rewind the read timer for lru regions */
+ rgn->read_timeout = ktime_add_ms(ktime_get(),
+ rgn->hpb->params.read_timeout_ms);
+ rgn->read_timeout_expiries =
+ rgn->hpb->params.read_timeout_expiries;
+ }
+ }
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+ if (hpb->is_hcm && prev_srgn != srgn) {
+ bool activate = false;
+
+ spin_lock(&rgn->rgn_lock);
+ if (set_dirty) {
+ rgn->reads -= srgn->reads;
+ srgn->reads = 0;
+ set_bit(RGN_FLAG_DIRTY, &rgn->rgn_flags);
+ } else {
+ srgn->reads++;
+ rgn->reads++;
+ if (srgn->reads == hpb->params.activation_thld)
+ activate = true;
+ }
+ spin_unlock(&rgn->rgn_lock);
+
+ if (activate ||
+ test_and_clear_bit(RGN_FLAG_UPDATE, &rgn->rgn_flags)) {
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ ufshpb_update_active_info(hpb, rgn_idx, srgn_idx);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+ dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+ "activate region %d-%d\n", rgn_idx, srgn_idx);
+ }
+
+ prev_srgn = srgn;
+ }
+
+ srgn_offset = 0;
+ if (++srgn_idx == hpb->srgns_per_rgn) {
+ srgn_idx = 0;
+ rgn_idx++;
+ }
+
+ cnt -= set_bit_len;
+ if (cnt > 0)
+ goto next_srgn;
+}
+
+static bool ufshpb_test_ppn_dirty(struct ufshpb_lu *hpb, int rgn_idx,
+ int srgn_idx, int srgn_offset, int cnt)
+{
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn;
+ int bitmap_len;
+ int bit_len;
+
+next_srgn:
+ rgn = hpb->rgn_tbl + rgn_idx;
+ srgn = rgn->srgn_tbl + srgn_idx;
+
+ if (likely(!srgn->is_last))
+ bitmap_len = hpb->entries_per_srgn;
+ else
+ bitmap_len = hpb->last_srgn_entries;
+
+ if (!ufshpb_is_valid_srgn(rgn, srgn))
+ return true;
+
+ /*
+ * If the region state is active, mctx must be allocated.
+ * In this case, check whether the region is evicted or
+ * mctx allcation fail.
+ */
+ if (unlikely(!srgn->mctx)) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "no mctx in region %d subregion %d.\n",
+ srgn->rgn_idx, srgn->srgn_idx);
+ return true;
+ }
+
+ if ((srgn_offset + cnt) > bitmap_len)
+ bit_len = bitmap_len - srgn_offset;
+ else
+ bit_len = cnt;
+
+ if (find_next_bit(srgn->mctx->ppn_dirty, bit_len + srgn_offset,
+ srgn_offset) < bit_len + srgn_offset)
+ return true;
+
+ srgn_offset = 0;
+ if (++srgn_idx == hpb->srgns_per_rgn) {
+ srgn_idx = 0;
+ rgn_idx++;
+ }
+
+ cnt -= bit_len;
+ if (cnt > 0)
+ goto next_srgn;
+
+ return false;
+}
+
+static inline bool is_rgn_dirty(struct ufshpb_region *rgn)
+{
+ return test_bit(RGN_FLAG_DIRTY, &rgn->rgn_flags);
+}
+
+static int ufshpb_fill_ppn_from_page(struct ufshpb_lu *hpb,
+ struct ufshpb_map_ctx *mctx, int pos,
+ int len, __be64 *ppn_buf)
+{
+ struct page *page;
+ int index, offset;
+ int copied;
+
+ index = pos / (PAGE_SIZE / HPB_ENTRY_SIZE);
+ offset = pos % (PAGE_SIZE / HPB_ENTRY_SIZE);
+
+ if ((offset + len) <= (PAGE_SIZE / HPB_ENTRY_SIZE))
+ copied = len;
+ else
+ copied = (PAGE_SIZE / HPB_ENTRY_SIZE) - offset;
+
+ page = mctx->m_page[index];
+ if (unlikely(!page)) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "error. cannot find page in mctx\n");
+ return -ENOMEM;
+ }
+
+ memcpy(ppn_buf, page_address(page) + (offset * HPB_ENTRY_SIZE),
+ copied * HPB_ENTRY_SIZE);
+
+ return copied;
+}
+
+static void
+ufshpb_get_pos_from_lpn(struct ufshpb_lu *hpb, unsigned long lpn, int *rgn_idx,
+ int *srgn_idx, int *offset)
+{
+ int rgn_offset;
+
+ *rgn_idx = lpn >> hpb->entries_per_rgn_shift;
+ rgn_offset = lpn & hpb->entries_per_rgn_mask;
+ *srgn_idx = rgn_offset >> hpb->entries_per_srgn_shift;
+ *offset = rgn_offset & hpb->entries_per_srgn_mask;
+}
+
+static void
+ufshpb_set_hpb_read_to_upiu(struct ufs_hba *hba, struct ufshpb_lu *hpb,
+ struct ufshcd_lrb *lrbp, u32 lpn, __be64 ppn,
+ u8 transfer_len, int read_id)
+{
+ unsigned char *cdb = lrbp->cmd->cmnd;
+ __be64 ppn_tmp = ppn;
+ cdb[0] = UFSHPB_READ;
+
+ if (hba->dev_quirks & UFS_DEVICE_QUIRK_SWAP_L2P_ENTRY_FOR_HPB_READ)
+ ppn_tmp = swab64(ppn);
+
+ /* ppn value is stored as big-endian in the host memory */
+ memcpy(&cdb[6], &ppn_tmp, sizeof(__be64));
+ cdb[14] = transfer_len;
+ cdb[15] = read_id;
+
+ lrbp->cmd->cmd_len = UFS_CDB_SIZE;
+}
+
+static inline void ufshpb_set_write_buf_cmd(unsigned char *cdb,
+ unsigned long lpn, unsigned int len,
+ int read_id)
+{
+ cdb[0] = UFSHPB_WRITE_BUFFER;
+ cdb[1] = UFSHPB_WRITE_BUFFER_PREFETCH_ID;
+
+ put_unaligned_be32(lpn, &cdb[2]);
+ cdb[6] = read_id;
+ put_unaligned_be16(len * HPB_ENTRY_SIZE, &cdb[7]);
+
+ cdb[9] = 0x00; /* Control = 0x00 */
+}
+
+static struct ufshpb_req *ufshpb_get_pre_req(struct ufshpb_lu *hpb)
+{
+ struct ufshpb_req *pre_req;
+
+ if (hpb->num_inflight_pre_req >= hpb->throttle_pre_req) {
+ dev_info(&hpb->sdev_ufs_lu->sdev_dev,
+ "pre_req throttle. inflight %d throttle %d",
+ hpb->num_inflight_pre_req, hpb->throttle_pre_req);
+ return NULL;
+ }
+
+ pre_req = list_first_entry_or_null(&hpb->lh_pre_req_free,
+ struct ufshpb_req, list_req);
+ if (!pre_req) {
+ dev_info(&hpb->sdev_ufs_lu->sdev_dev, "There is no pre_req");
+ return NULL;
+ }
+
+ list_del_init(&pre_req->list_req);
+ hpb->num_inflight_pre_req++;
+
+ return pre_req;
+}
+
+static inline void ufshpb_put_pre_req(struct ufshpb_lu *hpb,
+ struct ufshpb_req *pre_req)
+{
+ pre_req->req = NULL;
+ bio_reset(pre_req->bio);
+ list_add_tail(&pre_req->list_req, &hpb->lh_pre_req_free);
+ hpb->num_inflight_pre_req--;
+}
+
+static void ufshpb_pre_req_compl_fn(struct request *req, blk_status_t error)
+{
+ struct ufshpb_req *pre_req = (struct ufshpb_req *)req->end_io_data;
+ struct ufshpb_lu *hpb = pre_req->hpb;
+ unsigned long flags;
+
+ if (error) {
+ struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(req);
+ struct scsi_sense_hdr sshdr;
+
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev, "block status %d", error);
+ scsi_command_normalize_sense(cmd, &sshdr);
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "code %x sense_key %x asc %x ascq %x",
+ sshdr.response_code,
+ sshdr.sense_key, sshdr.asc, sshdr.ascq);
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "byte4 %x byte5 %x byte6 %x additional_len %x",
+ sshdr.byte4, sshdr.byte5,
+ sshdr.byte6, sshdr.additional_length);
+ }
+
+ blk_mq_free_request(req);
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ ufshpb_put_pre_req(pre_req->hpb, pre_req);
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+}
+
+static int ufshpb_prep_entry(struct ufshpb_req *pre_req, struct page *page)
+{
+ struct ufshpb_lu *hpb = pre_req->hpb;
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn;
+ __be64 *addr;
+ int offset = 0;
+ int copied;
+ unsigned long lpn = pre_req->wb.lpn;
+ int rgn_idx, srgn_idx, srgn_offset;
+ unsigned long flags;
+
+ addr = page_address(page);
+ ufshpb_get_pos_from_lpn(hpb, lpn, &rgn_idx, &srgn_idx, &srgn_offset);
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+
+next_offset:
+ rgn = hpb->rgn_tbl + rgn_idx;
+ srgn = rgn->srgn_tbl + srgn_idx;
+
+ if (!ufshpb_is_valid_srgn(rgn, srgn))
+ goto mctx_error;
+
+ if (!srgn->mctx)
+ goto mctx_error;
+
+ copied = ufshpb_fill_ppn_from_page(hpb, srgn->mctx, srgn_offset,
+ pre_req->wb.len - offset,
+ &addr[offset]);
+
+ if (copied < 0)
+ goto mctx_error;
+
+ offset += copied;
+ srgn_offset += copied;
+
+ if (srgn_offset == hpb->entries_per_srgn) {
+ srgn_offset = 0;
+
+ if (++srgn_idx == hpb->srgns_per_rgn) {
+ srgn_idx = 0;
+ rgn_idx++;
+ }
+ }
+
+ if (offset < pre_req->wb.len)
+ goto next_offset;
+
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ return 0;
+mctx_error:
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ return -ENOMEM;
+}
+
+static int ufshpb_pre_req_add_bio_page(struct ufshpb_lu *hpb,
+ struct request_queue *q,
+ struct ufshpb_req *pre_req)
+{
+ struct page *page = pre_req->wb.m_page;
+ struct bio *bio = pre_req->bio;
+ int entries_bytes, ret;
+
+ if (!page)
+ return -ENOMEM;
+
+ if (ufshpb_prep_entry(pre_req, page))
+ return -ENOMEM;
+
+ entries_bytes = pre_req->wb.len * sizeof(__be64);
+
+ ret = bio_add_pc_page(q, bio, page, entries_bytes, 0);
+ if (ret != entries_bytes) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "bio_add_pc_page fail: %d", ret);
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static inline int ufshpb_get_read_id(struct ufshpb_lu *hpb)
+{
+ if (++hpb->cur_read_id >= MAX_HPB_READ_ID)
+ hpb->cur_read_id = 1;
+ return hpb->cur_read_id;
+}
+
+static int ufshpb_execute_pre_req(struct ufshpb_lu *hpb, struct scsi_cmnd *cmd,
+ struct ufshpb_req *pre_req, int read_id)
+{
+ struct scsi_device *sdev = cmd->device;
+ struct request_queue *q = sdev->request_queue;
+ struct request *req;
+ struct scsi_request *rq;
+ struct bio *bio = pre_req->bio;
+
+ pre_req->hpb = hpb;
+ pre_req->wb.lpn = sectors_to_logical(cmd->device,
+ blk_rq_pos(cmd->request));
+ pre_req->wb.len = sectors_to_logical(cmd->device,
+ blk_rq_sectors(cmd->request));
+ if (ufshpb_pre_req_add_bio_page(hpb, q, pre_req))
+ return -ENOMEM;
+
+ req = pre_req->req;
+
+ /* 1. request setup */
+ blk_rq_append_bio(req, &bio);
+ req->rq_disk = NULL;
+ req->end_io_data = (void *)pre_req;
+ req->end_io = ufshpb_pre_req_compl_fn;
+
+ /* 2. scsi_request setup */
+ rq = scsi_req(req);
+ rq->retries = 1;
+
+ ufshpb_set_write_buf_cmd(rq->cmd, pre_req->wb.lpn, pre_req->wb.len,
+ read_id);
+ rq->cmd_len = scsi_command_size(rq->cmd);
+
+ if (blk_insert_cloned_request(q, req) != BLK_STS_OK)
+ return -EAGAIN;
+
+ hpb->stats.pre_req_cnt++;
+
+ return 0;
+}
+
+static int ufshpb_issue_pre_req(struct ufshpb_lu *hpb, struct scsi_cmnd *cmd,
+ int *read_id)
+{
+ struct ufshpb_req *pre_req;
+ struct request *req = NULL;
+ unsigned long flags;
+ int _read_id;
+ int ret = 0;
+
+ req = blk_get_request(cmd->device->request_queue,
+ REQ_OP_SCSI_OUT | REQ_SYNC, BLK_MQ_REQ_NOWAIT);
+ if (IS_ERR(req))
+ return -EAGAIN;
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ pre_req = ufshpb_get_pre_req(hpb);
+ if (!pre_req) {
+ ret = -EAGAIN;
+ goto unlock_out;
+ }
+ _read_id = ufshpb_get_read_id(hpb);
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+ pre_req->req = req;
+
+ ret = ufshpb_execute_pre_req(hpb, cmd, pre_req, _read_id);
+ if (ret)
+ goto free_pre_req;
+
+ *read_id = _read_id;
+
+ return ret;
+free_pre_req:
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ ufshpb_put_pre_req(hpb, pre_req);
+unlock_out:
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ blk_put_request(req);
+ return ret;
+}
+
+/*
+ * This function will set up HPB read command using host-side L2P map data.
+ */
+int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+ struct ufshpb_lu *hpb;
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn;
+ struct scsi_cmnd *cmd = lrbp->cmd;
+ u32 lpn;
+ __be64 ppn;
+ unsigned long flags;
+ int transfer_len, rgn_idx, srgn_idx, srgn_offset;
+ int read_id = 0;
+ int err = 0;
+
+ hpb = ufshpb_get_hpb_data(cmd->device);
+ if (!hpb)
+ return -ENODEV;
+
+ if (ufshpb_get_state(hpb) == HPB_INIT)
+ return -ENODEV;
+
+ if (ufshpb_get_state(hpb) != HPB_PRESENT) {
+ dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: ufshpb state is not PRESENT", __func__);
+ return -ENODEV;
+ }
+
+ if (blk_rq_is_scsi(cmd->request) ||
+ (!ufshpb_is_write_or_discard(cmd) &&
+ !ufshpb_is_read_cmd(cmd)))
+ return 0;
+
+ transfer_len = sectors_to_logical(cmd->device,
+ blk_rq_sectors(cmd->request));
+ if (unlikely(!transfer_len))
+ return 0;
+
+ lpn = sectors_to_logical(cmd->device, blk_rq_pos(cmd->request));
+ ufshpb_get_pos_from_lpn(hpb, lpn, &rgn_idx, &srgn_idx, &srgn_offset);
+ rgn = hpb->rgn_tbl + rgn_idx;
+ srgn = rgn->srgn_tbl + srgn_idx;
+
+ /* If command type is WRITE or DISCARD, set bitmap as drity */
+ if (ufshpb_is_write_or_discard(cmd)) {
+ ufshpb_iterate_rgn(hpb, rgn_idx, srgn_idx, srgn_offset,
+ transfer_len, true);
+ return 0;
+ }
+
+ if (!ufshpb_is_supported_chunk(hpb, transfer_len))
+ return 0;
+
+ WARN_ON_ONCE(transfer_len > HPB_MULTI_CHUNK_HIGH);
+
+ if (hpb->is_hcm) {
+ /*
+ * in host control mode, reads are the main source for
+ * activation trials.
+ */
+ ufshpb_iterate_rgn(hpb, rgn_idx, srgn_idx, srgn_offset,
+ transfer_len, false);
+
+ /* keep those counters normalized */
+ if (rgn->reads > hpb->entries_per_srgn)
+ schedule_work(&hpb->ufshpb_normalization_work);
+ }
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ if (ufshpb_test_ppn_dirty(hpb, rgn_idx, srgn_idx, srgn_offset,
+ transfer_len)) {
+ hpb->stats.miss_cnt++;
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ return 0;
+ }
+
+ err = ufshpb_fill_ppn_from_page(hpb, srgn->mctx, srgn_offset, 1, &ppn);
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ if (unlikely(err < 0)) {
+ /*
+ * In this case, the region state is active,
+ * but the ppn table is not allocated.
+ * Make sure that ppn table must be allocated on
+ * active state.
+ */
+ dev_err(hba->dev, "get ppn failed. err %d\n", err);
+ return err;
+ }
+
+ if (!ufshpb_is_legacy(hba) &&
+ ufshpb_is_required_wb(hpb, transfer_len)) {
+ err = ufshpb_issue_pre_req(hpb, cmd, &read_id);
+ if (err) {
+ unsigned long timeout;
+
+ timeout = cmd->jiffies_at_alloc + msecs_to_jiffies(
+ hpb->params.requeue_timeout_ms);
+
+ if (time_before(jiffies, timeout))
+ return -EAGAIN;
+
+ hpb->stats.miss_cnt++;
+ return 0;
+ }
+ }
+
+ ufshpb_set_hpb_read_to_upiu(hba, hpb, lrbp, lpn, ppn, transfer_len,
+ read_id);
+
+ hpb->stats.hit_cnt++;
+ return 0;
+}
+
+static struct ufshpb_req *ufshpb_get_req(struct ufshpb_lu *hpb,
+ int rgn_idx, enum req_opf dir,
+ bool atomic)
+{
+ struct ufshpb_req *rq;
+ struct request *req;
+ int retries = HPB_MAP_REQ_RETRIES;
+
+ rq = kmem_cache_alloc(hpb->map_req_cache, GFP_KERNEL);
+ if (!rq)
+ return NULL;
+
+retry:
+ req = blk_get_request(hpb->sdev_ufs_lu->request_queue, dir,
+ BLK_MQ_REQ_NOWAIT);
+
+ if (!atomic && (PTR_ERR(req) == -EWOULDBLOCK) && (--retries > 0)) {
+ usleep_range(3000, 3100);
+ goto retry;
+ }
+
+ if (IS_ERR(req))
+ goto free_rq;
+
+ rq->hpb = hpb;
+ rq->req = req;
+ rq->rb.rgn_idx = rgn_idx;
+
+ return rq;
+
+free_rq:
+ kmem_cache_free(hpb->map_req_cache, rq);
+ return NULL;
+}
+
+static void ufshpb_put_req(struct ufshpb_lu *hpb, struct ufshpb_req *rq)
+{
+ blk_put_request(rq->req);
+ kmem_cache_free(hpb->map_req_cache, rq);
+}
+
+static struct ufshpb_req *ufshpb_get_map_req(struct ufshpb_lu *hpb,
+ struct ufshpb_subregion *srgn)
+{
+ struct ufshpb_req *map_req;
+ struct bio *bio;
+ unsigned long flags;
+
+ if (hpb->is_hcm &&
+ hpb->num_inflight_map_req >= hpb->params.inflight_map_req) {
+ dev_info(&hpb->sdev_ufs_lu->sdev_dev,
+ "map_req throttle. inflight %d throttle %d",
+ hpb->num_inflight_map_req,
+ hpb->params.inflight_map_req);
+ return NULL;
+ }
+
+ map_req = ufshpb_get_req(hpb, srgn->rgn_idx, REQ_OP_SCSI_IN, false);
+ if (!map_req)
+ return NULL;
+
+ bio = bio_alloc(GFP_KERNEL, hpb->pages_per_srgn);
+ if (!bio) {
+ ufshpb_put_req(hpb, map_req);
+ return NULL;
+ }
+
+ map_req->bio = bio;
+
+ map_req->rb.srgn_idx = srgn->srgn_idx;
+ map_req->rb.mctx = srgn->mctx;
+
+ spin_lock_irqsave(&hpb->param_lock, flags);
+ hpb->num_inflight_map_req++;
+ spin_unlock_irqrestore(&hpb->param_lock, flags);
+
+ return map_req;
+}
+
+static void ufshpb_put_map_req(struct ufshpb_lu *hpb,
+ struct ufshpb_req *map_req)
+{
+ unsigned long flags;
+
+ bio_put(map_req->bio);
+ ufshpb_put_req(hpb, map_req);
+
+ spin_lock_irqsave(&hpb->param_lock, flags);
+ hpb->num_inflight_map_req--;
+ spin_unlock_irqrestore(&hpb->param_lock, flags);
+}
+
+static int ufshpb_clear_dirty_bitmap(struct ufshpb_lu *hpb,
+ struct ufshpb_subregion *srgn)
+{
+ struct ufshpb_region *rgn;
+ u32 num_entries = hpb->entries_per_srgn;
+
+ if (!srgn->mctx) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "no mctx in region %d subregion %d.\n",
+ srgn->rgn_idx, srgn->srgn_idx);
+ return -1;
+ }
+
+ if (unlikely(srgn->is_last))
+ num_entries = hpb->last_srgn_entries;
+
+ bitmap_zero(srgn->mctx->ppn_dirty, num_entries);
+
+ rgn = hpb->rgn_tbl + srgn->rgn_idx;
+ clear_bit(RGN_FLAG_DIRTY, &rgn->rgn_flags);
+
+ return 0;
+}
+
+static void ufshpb_update_active_info(struct ufshpb_lu *hpb, int rgn_idx,
+ int srgn_idx)
+{
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn;
+
+ rgn = hpb->rgn_tbl + rgn_idx;
+ srgn = rgn->srgn_tbl + srgn_idx;
+
+ list_del_init(&rgn->list_inact_rgn);
+
+ if (list_empty(&srgn->list_act_srgn))
+ list_add_tail(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+
+ hpb->stats.rb_active_cnt++;
+}
+
+static void ufshpb_update_inactive_info(struct ufshpb_lu *hpb, int rgn_idx)
+{
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn;
+ int srgn_idx;
+
+ rgn = hpb->rgn_tbl + rgn_idx;
+
+ for_each_sub_region(rgn, srgn_idx, srgn)
+ list_del_init(&srgn->list_act_srgn);
+
+ if (list_empty(&rgn->list_inact_rgn))
+ list_add_tail(&rgn->list_inact_rgn, &hpb->lh_inact_rgn);
+
+ hpb->stats.rb_inactive_cnt++;
+}
+
+static void ufshpb_activate_subregion(struct ufshpb_lu *hpb,
+ struct ufshpb_subregion *srgn)
+{
+ struct ufshpb_region *rgn;
+
+ /*
+ * If there is no mctx in subregion
+ * after I/O progress for HPB_READ_BUFFER, the region to which the
+ * subregion belongs was evicted.
+ * Make sure the region must not evict in I/O progress
+ */
+ if (!srgn->mctx) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "no mctx in region %d subregion %d.\n",
+ srgn->rgn_idx, srgn->srgn_idx);
+ srgn->srgn_state = HPB_SRGN_INVALID;
+ return;
+ }
+
+ rgn = hpb->rgn_tbl + srgn->rgn_idx;
+
+ if (unlikely(rgn->rgn_state == HPB_RGN_INACTIVE)) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "region %d subregion %d evicted\n",
+ srgn->rgn_idx, srgn->srgn_idx);
+ srgn->srgn_state = HPB_SRGN_INVALID;
+ return;
+ }
+ srgn->srgn_state = HPB_SRGN_VALID;
+}
+
+static void ufshpb_umap_req_compl_fn(struct request *req, blk_status_t error)
+{
+ struct ufshpb_req *umap_req = (struct ufshpb_req *)req->end_io_data;
+
+ ufshpb_put_req(umap_req->hpb, umap_req);
+}
+
+static void ufshpb_map_req_compl_fn(struct request *req, blk_status_t error)
+{
+ struct ufshpb_req *map_req = (struct ufshpb_req *) req->end_io_data;
+ struct ufshpb_lu *hpb = map_req->hpb;
+ struct ufshpb_subregion *srgn;
+ unsigned long flags;
+
+ srgn = hpb->rgn_tbl[map_req->rb.rgn_idx].srgn_tbl +
+ map_req->rb.srgn_idx;
+
+ ufshpb_clear_dirty_bitmap(hpb, srgn);
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ ufshpb_activate_subregion(hpb, srgn);
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+ ufshpb_put_map_req(map_req->hpb, map_req);
+}
+
+static void ufshpb_set_unmap_cmd(unsigned char *cdb, struct ufshpb_region *rgn)
+{
+ cdb[0] = UFSHPB_WRITE_BUFFER;
+ cdb[1] = rgn ? UFSHPB_WRITE_BUFFER_INACT_SINGLE_ID :
+ UFSHPB_WRITE_BUFFER_INACT_ALL_ID;
+ if (rgn)
+ put_unaligned_be16(rgn->rgn_idx, &cdb[2]);
+ cdb[9] = 0x00;
+}
+
+static void ufshpb_set_read_buf_cmd(unsigned char *cdb, int rgn_idx,
+ int srgn_idx, int srgn_mem_size)
+{
+ cdb[0] = UFSHPB_READ_BUFFER;
+ cdb[1] = UFSHPB_READ_BUFFER_ID;
+
+ put_unaligned_be16(rgn_idx, &cdb[2]);
+ put_unaligned_be16(srgn_idx, &cdb[4]);
+ put_unaligned_be24(srgn_mem_size, &cdb[6]);
+
+ cdb[9] = 0x00;
+}
+
+static void ufshpb_execute_umap_req(struct ufshpb_lu *hpb,
+ struct ufshpb_req *umap_req,
+ struct ufshpb_region *rgn)
+{
+ struct request *req;
+ struct scsi_request *rq;
+
+ req = umap_req->req;
+ req->timeout = 0;
+ req->end_io_data = (void *)umap_req;
+ rq = scsi_req(req);
+ ufshpb_set_unmap_cmd(rq->cmd, rgn);
+ rq->cmd_len = HPB_WRITE_BUFFER_CMD_LENGTH;
+
+ blk_execute_rq_nowait(req->q, NULL, req, 1, ufshpb_umap_req_compl_fn);
+
+ hpb->stats.umap_req_cnt++;
+}
+
+static int ufshpb_execute_map_req(struct ufshpb_lu *hpb,
+ struct ufshpb_req *map_req, bool last)
+{
+ struct request_queue *q;
+ struct request *req;
+ struct scsi_request *rq;
+ int mem_size = hpb->srgn_mem_size;
+ int ret = 0;
+ int i;
+
+ q = hpb->sdev_ufs_lu->request_queue;
+ for (i = 0; i < hpb->pages_per_srgn; i++) {
+ ret = bio_add_pc_page(q, map_req->bio, map_req->rb.mctx->m_page[i],
+ PAGE_SIZE, 0);
+ if (ret != PAGE_SIZE) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "bio_add_pc_page fail %d - %d\n",
+ map_req->rb.rgn_idx, map_req->rb.srgn_idx);
+ return ret;
+ }
+ }
+
+ req = map_req->req;
+
+ blk_rq_append_bio(req, &map_req->bio);
+
+ req->end_io_data = map_req;
+
+ rq = scsi_req(req);
+
+ if (unlikely(last))
+ mem_size = hpb->last_srgn_entries * HPB_ENTRY_SIZE;
+
+ ufshpb_set_read_buf_cmd(rq->cmd, map_req->rb.rgn_idx,
+ map_req->rb.srgn_idx, mem_size);
+ rq->cmd_len = HPB_READ_BUFFER_CMD_LENGTH;
+
+ blk_execute_rq_nowait(q, NULL, req, 1, ufshpb_map_req_compl_fn);
+
+ hpb->stats.map_req_cnt++;
+ return 0;
+}
+
+static struct ufshpb_map_ctx *ufshpb_get_map_ctx(struct ufshpb_lu *hpb,
+ bool last)
+{
+ struct ufshpb_map_ctx *mctx;
+ u32 num_entries = hpb->entries_per_srgn;
+ int i, j;
+
+ mctx = mempool_alloc(ufshpb_mctx_pool, GFP_KERNEL);
+ if (!mctx)
+ return NULL;
+
+ mctx->m_page = kmem_cache_alloc(hpb->m_page_cache, GFP_KERNEL);
+ if (!mctx->m_page)
+ goto release_mctx;
+
+ if (unlikely(last))
+ num_entries = hpb->last_srgn_entries;
+
+ mctx->ppn_dirty = bitmap_zalloc(num_entries, GFP_KERNEL);
+ if (!mctx->ppn_dirty)
+ goto release_m_page;
+
+ for (i = 0; i < hpb->pages_per_srgn; i++) {
+ mctx->m_page[i] = mempool_alloc(ufshpb_page_pool, GFP_KERNEL);
+ if (!mctx->m_page[i]) {
+ for (j = 0; j < i; j++)
+ mempool_free(mctx->m_page[j], ufshpb_page_pool);
+ goto release_ppn_dirty;
+ }
+ clear_page(page_address(mctx->m_page[i]));
+ }
+
+ return mctx;
+
+release_ppn_dirty:
+ bitmap_free(mctx->ppn_dirty);
+release_m_page:
+ kmem_cache_free(hpb->m_page_cache, mctx->m_page);
+release_mctx:
+ mempool_free(mctx, ufshpb_mctx_pool);
+ return NULL;
+}
+
+static void ufshpb_put_map_ctx(struct ufshpb_lu *hpb,
+ struct ufshpb_map_ctx *mctx)
+{
+ int i;
+
+ for (i = 0; i < hpb->pages_per_srgn; i++)
+ mempool_free(mctx->m_page[i], ufshpb_page_pool);
+
+ bitmap_free(mctx->ppn_dirty);
+ kmem_cache_free(hpb->m_page_cache, mctx->m_page);
+ mempool_free(mctx, ufshpb_mctx_pool);
+}
+
+static int ufshpb_check_srgns_issue_state(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn)
+{
+ struct ufshpb_subregion *srgn;
+ int srgn_idx;
+
+ for_each_sub_region(rgn, srgn_idx, srgn)
+ if (srgn->srgn_state == HPB_SRGN_ISSUED)
+ return -EPERM;
+
+ return 0;
+}
+
+static void ufshpb_read_to_handler(struct work_struct *work)
+{
+ struct ufshpb_lu *hpb = container_of(work, struct ufshpb_lu,
+ ufshpb_read_to_work.work);
+ struct victim_select_info *lru_info = &hpb->lru_info;
+ struct ufshpb_region *rgn, *next_rgn;
+ unsigned long flags;
+ unsigned int poll;
+ LIST_HEAD(expired_list);
+
+ if (test_and_set_bit(TIMEOUT_WORK_RUNNING, &hpb->work_data_bits))
+ return;
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+
+ list_for_each_entry_safe(rgn, next_rgn, &lru_info->lh_lru_rgn,
+ list_lru_rgn) {
+ bool timedout = ktime_after(ktime_get(), rgn->read_timeout);
+
+ if (timedout) {
+ rgn->read_timeout_expiries--;
+ if (is_rgn_dirty(rgn) ||
+ rgn->read_timeout_expiries == 0)
+ list_add(&rgn->list_expired_rgn, &expired_list);
+ else
+ rgn->read_timeout = ktime_add_ms(ktime_get(),
+ hpb->params.read_timeout_ms);
+ }
+ }
+
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+ list_for_each_entry_safe(rgn, next_rgn, &expired_list,
+ list_expired_rgn) {
+ list_del_init(&rgn->list_expired_rgn);
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ ufshpb_update_inactive_info(hpb, rgn->rgn_idx);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+ }
+
+ ufshpb_kick_map_work(hpb);
+
+ clear_bit(TIMEOUT_WORK_RUNNING, &hpb->work_data_bits);
+
+ poll = hpb->params.timeout_polling_interval_ms;
+ schedule_delayed_work(&hpb->ufshpb_read_to_work,
+ msecs_to_jiffies(poll));
+}
+
+static void ufshpb_add_lru_info(struct victim_select_info *lru_info,
+ struct ufshpb_region *rgn)
+{
+ rgn->rgn_state = HPB_RGN_ACTIVE;
+ list_add_tail(&rgn->list_lru_rgn, &lru_info->lh_lru_rgn);
+ atomic_inc(&lru_info->active_cnt);
+ if (rgn->hpb->is_hcm) {
+ rgn->read_timeout =
+ ktime_add_ms(ktime_get(),
+ rgn->hpb->params.read_timeout_ms);
+ rgn->read_timeout_expiries =
+ rgn->hpb->params.read_timeout_expiries;
+ }
+}
+
+static void ufshpb_hit_lru_info(struct victim_select_info *lru_info,
+ struct ufshpb_region *rgn)
+{
+ list_move_tail(&rgn->list_lru_rgn, &lru_info->lh_lru_rgn);
+}
+
+static struct ufshpb_region *ufshpb_victim_lru_info(struct ufshpb_lu *hpb)
+{
+ struct victim_select_info *lru_info = &hpb->lru_info;
+ struct ufshpb_region *rgn, *victim_rgn = NULL;
+
+ list_for_each_entry(rgn, &lru_info->lh_lru_rgn, list_lru_rgn) {
+ if (!rgn) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: no region allocated\n",
+ __func__);
+ return NULL;
+ }
+ if (ufshpb_check_srgns_issue_state(hpb, rgn))
+ continue;
+
+ /*
+ * in host control mode, verify that the exiting region
+ * has less reads
+ */
+ if (hpb->is_hcm &&
+ rgn->reads > hpb->params.eviction_thld_exit)
+ continue;
+
+ victim_rgn = rgn;
+ break;
+ }
+
+ return victim_rgn;
+}
+
+static void ufshpb_cleanup_lru_info(struct victim_select_info *lru_info,
+ struct ufshpb_region *rgn)
+{
+ list_del_init(&rgn->list_lru_rgn);
+ rgn->rgn_state = HPB_RGN_INACTIVE;
+ atomic_dec(&lru_info->active_cnt);
+}
+
+static void ufshpb_purge_active_subregion(struct ufshpb_lu *hpb,
+ struct ufshpb_subregion *srgn)
+{
+ if (srgn->srgn_state != HPB_SRGN_UNUSED) {
+ ufshpb_put_map_ctx(hpb, srgn->mctx);
+ srgn->srgn_state = HPB_SRGN_UNUSED;
+ srgn->mctx = NULL;
+ }
+}
+
+static int ufshpb_issue_umap_req(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn,
+ bool atomic)
+{
+ struct ufshpb_req *umap_req;
+ int rgn_idx = rgn ? rgn->rgn_idx : 0;
+
+ umap_req = ufshpb_get_req(hpb, rgn_idx, REQ_OP_SCSI_OUT, atomic);
+ if (!umap_req)
+ return -ENOMEM;
+
+ ufshpb_execute_umap_req(hpb, umap_req, rgn);
+
+ return 0;
+}
+
+static int ufshpb_issue_umap_single_req(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn)
+{
+ return ufshpb_issue_umap_req(hpb, rgn, true);
+}
+
+static int ufshpb_issue_umap_all_req(struct ufshpb_lu *hpb)
+{
+ return ufshpb_issue_umap_req(hpb, NULL, false);
+}
+
+static void __ufshpb_evict_region(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn)
+{
+ struct victim_select_info *lru_info;
+ struct ufshpb_subregion *srgn;
+ int srgn_idx;
+
+ lru_info = &hpb->lru_info;
+
+ dev_dbg(&hpb->sdev_ufs_lu->sdev_dev, "evict region %d\n", rgn->rgn_idx);
+
+ ufshpb_cleanup_lru_info(lru_info, rgn);
+
+ for_each_sub_region(rgn, srgn_idx, srgn)
+ ufshpb_purge_active_subregion(hpb, srgn);
+}
+
+static int ufshpb_evict_region(struct ufshpb_lu *hpb, struct ufshpb_region *rgn)
+{
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ if (rgn->rgn_state == HPB_RGN_PINNED) {
+ dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+ "pinned region cannot drop-out. region %d\n",
+ rgn->rgn_idx);
+ goto out;
+ }
+ if (!list_empty(&rgn->list_lru_rgn)) {
+ if (ufshpb_check_srgns_issue_state(hpb, rgn)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ if (hpb->is_hcm) {
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ ret = ufshpb_issue_umap_single_req(hpb, rgn);
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ if (ret)
+ goto out;
+ }
+
+ __ufshpb_evict_region(hpb, rgn);
+ }
+out:
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ return ret;
+}
+
+static int ufshpb_issue_map_req(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn,
+ struct ufshpb_subregion *srgn)
+{
+ struct ufshpb_req *map_req;
+ unsigned long flags;
+ int ret;
+ int err = -EAGAIN;
+ bool alloc_required = false;
+ enum HPB_SRGN_STATE state = HPB_SRGN_INVALID;
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+
+ if (ufshpb_get_state(hpb) != HPB_PRESENT) {
+ dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: ufshpb state is not PRESENT\n", __func__);
+ goto unlock_out;
+ }
+
+ if ((rgn->rgn_state == HPB_RGN_INACTIVE) &&
+ (srgn->srgn_state == HPB_SRGN_INVALID)) {
+ err = 0;
+ goto unlock_out;
+ }
+
+ if (srgn->srgn_state == HPB_SRGN_UNUSED)
+ alloc_required = true;
+
+ /*
+ * If the subregion is already ISSUED state,
+ * a specific event (e.g., GC or wear-leveling, etc.) occurs in
+ * the device and HPB response for map loading is received.
+ * In this case, after finishing the HPB_READ_BUFFER,
+ * the next HPB_READ_BUFFER is performed again to obtain the latest
+ * map data.
+ */
+ if (srgn->srgn_state == HPB_SRGN_ISSUED)
+ goto unlock_out;
+
+ srgn->srgn_state = HPB_SRGN_ISSUED;
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+
+ if (alloc_required) {
+ srgn->mctx = ufshpb_get_map_ctx(hpb, srgn->is_last);
+ if (!srgn->mctx) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "get map_ctx failed. region %d - %d\n",
+ rgn->rgn_idx, srgn->srgn_idx);
+ state = HPB_SRGN_UNUSED;
+ goto change_srgn_state;
+ }
+ }
+
+ map_req = ufshpb_get_map_req(hpb, srgn);
+ if (!map_req)
+ goto change_srgn_state;
+
+
+ ret = ufshpb_execute_map_req(hpb, map_req, srgn->is_last);
+ if (ret) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: issue map_req failed: %d, region %d - %d\n",
+ __func__, ret, srgn->rgn_idx, srgn->srgn_idx);
+ goto free_map_req;
+ }
+ return 0;
+
+free_map_req:
+ ufshpb_put_map_req(hpb, map_req);
+change_srgn_state:
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ srgn->srgn_state = state;
+unlock_out:
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ return err;
+}
+
+static int ufshpb_add_region(struct ufshpb_lu *hpb, struct ufshpb_region *rgn)
+{
+ struct ufshpb_region *victim_rgn = NULL;
+ struct victim_select_info *lru_info = &hpb->lru_info;
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+ /*
+ * If region belongs to lru_list, just move the region
+ * to the front of lru list. because the state of the region
+ * is already active-state
+ */
+ if (!list_empty(&rgn->list_lru_rgn)) {
+ ufshpb_hit_lru_info(lru_info, rgn);
+ goto out;
+ }
+
+ if (rgn->rgn_state == HPB_RGN_INACTIVE) {
+ if (atomic_read(&lru_info->active_cnt) ==
+ lru_info->max_lru_active_cnt) {
+ /*
+ * If the maximum number of active regions
+ * is exceeded, evict the least recently used region.
+ * This case may occur when the device responds
+ * to the eviction information late.
+ * It is okay to evict the least recently used region,
+ * because the device could detect this region
+ * by not issuing HPB_READ
+ *
+ * in host control mode, verify that the entering
+ * region has enough reads
+ */
+ if (hpb->is_hcm &&
+ rgn->reads < hpb->params.eviction_thld_enter) {
+ ret = -EACCES;
+ goto out;
+ }
+
+ victim_rgn = ufshpb_victim_lru_info(hpb);
+ if (!victim_rgn) {
+ dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+ "cannot get victim region %s\n",
+ hpb->is_hcm ? "" : "error");
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+ "LRU full (%d), choose victim %d\n",
+ atomic_read(&lru_info->active_cnt),
+ victim_rgn->rgn_idx);
+
+ if (hpb->is_hcm) {
+ spin_unlock_irqrestore(&hpb->rgn_state_lock,
+ flags);
+ ret = ufshpb_issue_umap_single_req(hpb,
+ victim_rgn);
+ spin_lock_irqsave(&hpb->rgn_state_lock,
+ flags);
+ if (ret)
+ goto out;
+ }
+
+ __ufshpb_evict_region(hpb, victim_rgn);
+ }
+
+ /*
+ * When a region is added to lru_info list_head,
+ * it is guaranteed that the subregion has been
+ * assigned all mctx. If failed, try to receive mctx again
+ * without being added to lru_info list_head
+ */
+ ufshpb_add_lru_info(lru_info, rgn);
+ }
+out:
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+ return ret;
+}
+
+static void ufshpb_rsp_req_region_update(struct ufshpb_lu *hpb,
+ struct utp_hpb_rsp *rsp_field)
+{
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn;
+ int i, rgn_i, srgn_i;
+
+ BUILD_BUG_ON(sizeof(struct ufshpb_active_field) != HPB_ACT_FIELD_SIZE);
+ /*
+ * If the active region and the inactive region are the same,
+ * we will inactivate this region.
+ * The device could check this (region inactivated) and
+ * will response the proper active region information
+ */
+ for (i = 0; i < rsp_field->active_rgn_cnt; i++) {
+ rgn_i =
+ be16_to_cpu(rsp_field->hpb_active_field[i].active_rgn);
+ srgn_i =
+ be16_to_cpu(rsp_field->hpb_active_field[i].active_srgn);
+
+ rgn = hpb->rgn_tbl + rgn_i;
+ if (hpb->is_hcm &&
+ (rgn->rgn_state != HPB_RGN_ACTIVE || is_rgn_dirty(rgn))) {
+ /*
+ * in host control mode, subregion activation
+ * recommendations are only allowed to active regions.
+ * Also, ignore recommendations for dirty regions - the
+ * host will make decisions concerning those by himself
+ */
+ continue;
+ }
+
+ dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+ "activate(%d) region %d - %d\n", i, rgn_i, srgn_i);
+
+ spin_lock(&hpb->rsp_list_lock);
+ ufshpb_update_active_info(hpb, rgn_i, srgn_i);
+ spin_unlock(&hpb->rsp_list_lock);
+
+ srgn = rgn->srgn_tbl + srgn_i;
+
+ /* blocking HPB_READ */
+ spin_lock(&hpb->rgn_state_lock);
+ if (srgn->srgn_state == HPB_SRGN_VALID)
+ srgn->srgn_state = HPB_SRGN_INVALID;
+ spin_unlock(&hpb->rgn_state_lock);
+ }
+
+ if (hpb->is_hcm) {
+ /*
+ * in host control mode the device is not allowed to inactivate
+ * regions
+ */
+ goto out;
+ }
+
+ for (i = 0; i < rsp_field->inactive_rgn_cnt; i++) {
+ rgn_i = be16_to_cpu(rsp_field->hpb_inactive_field[i]);
+ dev_dbg(&hpb->sdev_ufs_lu->sdev_dev,
+ "inactivate(%d) region %d\n", i, rgn_i);
+
+ spin_lock(&hpb->rsp_list_lock);
+ ufshpb_update_inactive_info(hpb, rgn_i);
+ spin_unlock(&hpb->rsp_list_lock);
+
+ rgn = hpb->rgn_tbl + rgn_i;
+
+ spin_lock(&hpb->rgn_state_lock);
+ if (rgn->rgn_state != HPB_RGN_INACTIVE) {
+ for (srgn_i = 0; srgn_i < rgn->srgn_cnt; srgn_i++) {
+ srgn = rgn->srgn_tbl + srgn_i;
+ if (srgn->srgn_state == HPB_SRGN_VALID)
+ srgn->srgn_state = HPB_SRGN_INVALID;
+ }
+ }
+ spin_unlock(&hpb->rgn_state_lock);
+ }
+
+out:
+ dev_dbg(&hpb->sdev_ufs_lu->sdev_dev, "Noti: #ACT %u #INACT %u\n",
+ rsp_field->active_rgn_cnt, rsp_field->inactive_rgn_cnt);
+
+ if (ufshpb_get_state(hpb) == HPB_PRESENT)
+ queue_work(ufshpb_wq, &hpb->map_work);
+}
+
+static void ufshpb_dev_reset_handler(struct ufshpb_lu *hpb)
+{
+ struct victim_select_info *lru_info = &hpb->lru_info;
+ struct ufshpb_region *rgn;
+ unsigned long flags;
+
+ spin_lock_irqsave(&hpb->rgn_state_lock, flags);
+
+ list_for_each_entry(rgn, &lru_info->lh_lru_rgn, list_lru_rgn)
+ set_bit(RGN_FLAG_UPDATE, &rgn->rgn_flags);
+
+ spin_unlock_irqrestore(&hpb->rgn_state_lock, flags);
+}
+
+
+/*
+ * This function will parse recommended active subregion information in sense
+ * data field of response UPIU with SAM_STAT_GOOD state.
+ */
+void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
+{
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(lrbp->cmd->device);
+ struct utp_hpb_rsp *rsp_field = &lrbp->ucd_rsp_ptr->hr;
+ int data_seg_len;
+
+ if (unlikely(lrbp->lun != rsp_field->lun)) {
+ struct scsi_device *sdev;
+ bool found = false;
+
+ __shost_for_each_device(sdev, hba->host) {
+ hpb = ufshpb_get_hpb_data(sdev);
+
+ if (!hpb)
+ continue;
+
+ if (rsp_field->lun == hpb->lun) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return;
+ }
+
+ if (!hpb)
+ return;
+
+ if (ufshpb_get_state(hpb) == HPB_INIT)
+ return;
+
+ if ((ufshpb_get_state(hpb) != HPB_PRESENT) &&
+ (ufshpb_get_state(hpb) != HPB_SUSPEND)) {
+ dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: ufshpb state is not PRESENT/SUSPEND\n",
+ __func__);
+ return;
+ }
+
+ data_seg_len = be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_2)
+ & MASK_RSP_UPIU_DATA_SEG_LEN;
+
+ /* To flush remained rsp_list, we queue the map_work task */
+ if (!data_seg_len) {
+ if (!ufshpb_is_general_lun(hpb->lun))
+ return;
+
+ ufshpb_kick_map_work(hpb);
+ return;
+ }
+
+ BUILD_BUG_ON(sizeof(struct utp_hpb_rsp) != UTP_HPB_RSP_SIZE);
+
+ if (!ufshpb_is_hpb_rsp_valid(hba, lrbp, rsp_field))
+ return;
+
+ hpb->stats.rb_noti_cnt++;
+
+ switch (rsp_field->hpb_op) {
+ case HPB_RSP_REQ_REGION_UPDATE:
+ if (data_seg_len != DEV_DATA_SEG_LEN)
+ dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: data seg length is not same.\n",
+ __func__);
+ ufshpb_rsp_req_region_update(hpb, rsp_field);
+ break;
+ case HPB_RSP_DEV_RESET:
+ dev_warn(&hpb->sdev_ufs_lu->sdev_dev,
+ "UFS device lost HPB information during PM.\n");
+
+ if (hpb->is_hcm) {
+ struct scsi_device *sdev;
+
+ __shost_for_each_device(sdev, hba->host) {
+ struct ufshpb_lu *h = sdev->hostdata;
+
+ if (h)
+ ufshpb_dev_reset_handler(h);
+ }
+ }
+
+ break;
+ default:
+ dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+ "hpb_op is not available: %d\n",
+ rsp_field->hpb_op);
+ break;
+ }
+}
+
+static void ufshpb_add_active_list(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn,
+ struct ufshpb_subregion *srgn)
+{
+ if (!list_empty(&rgn->list_inact_rgn))
+ return;
+
+ if (!list_empty(&srgn->list_act_srgn)) {
+ list_move(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+ return;
+ }
+
+ list_add(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+}
+
+static void ufshpb_add_pending_evict_list(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn,
+ struct list_head *pending_list)
+{
+ struct ufshpb_subregion *srgn;
+ int srgn_idx;
+
+ if (!list_empty(&rgn->list_inact_rgn))
+ return;
+
+ for_each_sub_region(rgn, srgn_idx, srgn)
+ if (!list_empty(&srgn->list_act_srgn))
+ return;
+
+ list_add_tail(&rgn->list_inact_rgn, pending_list);
+}
+
+static void ufshpb_run_active_subregion_list(struct ufshpb_lu *hpb)
+{
+ struct ufshpb_region *rgn;
+ struct ufshpb_subregion *srgn;
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ while ((srgn = list_first_entry_or_null(&hpb->lh_act_srgn,
+ struct ufshpb_subregion,
+ list_act_srgn))) {
+ if (ufshpb_get_state(hpb) == HPB_SUSPEND)
+ break;
+
+ list_del_init(&srgn->list_act_srgn);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+
+ rgn = hpb->rgn_tbl + srgn->rgn_idx;
+ ret = ufshpb_add_region(hpb, rgn);
+ if (ret)
+ goto active_failed;
+
+ ret = ufshpb_issue_map_req(hpb, rgn, srgn);
+ if (ret) {
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev,
+ "issue map_req failed. ret %d, region %d - %d\n",
+ ret, rgn->rgn_idx, srgn->srgn_idx);
+ goto active_failed;
+ }
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ }
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+ return;
+
+active_failed:
+ dev_err(&hpb->sdev_ufs_lu->sdev_dev, "failed to activate region %d - %d, will retry\n",
+ rgn->rgn_idx, srgn->srgn_idx);
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ ufshpb_add_active_list(hpb, rgn, srgn);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+}
+
+static void ufshpb_run_inactive_region_list(struct ufshpb_lu *hpb)
+{
+ struct ufshpb_region *rgn;
+ unsigned long flags;
+ int ret;
+ LIST_HEAD(pending_list);
+
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ while ((rgn = list_first_entry_or_null(&hpb->lh_inact_rgn,
+ struct ufshpb_region,
+ list_inact_rgn))) {
+ if (ufshpb_get_state(hpb) == HPB_SUSPEND)
+ break;
+
+ list_del_init(&rgn->list_inact_rgn);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+
+ ret = ufshpb_evict_region(hpb, rgn);
+ if (ret) {
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ ufshpb_add_pending_evict_list(hpb, rgn, &pending_list);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+ }
+
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ }
+
+ list_splice(&pending_list, &hpb->lh_inact_rgn);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+}
+
+static void ufshpb_normalization_work_handler(struct work_struct *work)
+{
+ struct ufshpb_lu *hpb = container_of(work, struct ufshpb_lu,
+ ufshpb_normalization_work);
+ int rgn_idx;
+ u8 factor = hpb->params.normalization_factor;
+
+ for (rgn_idx = 0; rgn_idx < hpb->rgns_per_lu; rgn_idx++) {
+ struct ufshpb_region *rgn = hpb->rgn_tbl + rgn_idx;
+ int srgn_idx;
+
+ spin_lock(&rgn->rgn_lock);
+ rgn->reads = 0;
+ for (srgn_idx = 0; srgn_idx < hpb->srgns_per_rgn; srgn_idx++) {
+ struct ufshpb_subregion *srgn = rgn->srgn_tbl + srgn_idx;
+
+ srgn->reads >>= factor;
+ rgn->reads += srgn->reads;
+ }
+ spin_unlock(&rgn->rgn_lock);
+
+ if (rgn->rgn_state != HPB_RGN_ACTIVE || rgn->reads)
+ continue;
+
+ /* if region is active but has no reads - inactivate it */
+ spin_lock(&hpb->rsp_list_lock);
+ ufshpb_update_inactive_info(hpb, rgn->rgn_idx);
+ spin_unlock(&hpb->rsp_list_lock);
+ }
+}
+
+static void ufshpb_map_work_handler(struct work_struct *work)
+{
+ struct ufshpb_lu *hpb = container_of(work, struct ufshpb_lu, map_work);
+
+ if (ufshpb_get_state(hpb) != HPB_PRESENT) {
+ dev_notice(&hpb->sdev_ufs_lu->sdev_dev,
+ "%s: ufshpb state is not PRESENT\n", __func__);
+ return;
+ }
+
+ ufshpb_run_inactive_region_list(hpb);
+ ufshpb_run_active_subregion_list(hpb);
+}
+
+/*
+ * this function doesn't need to hold lock due to be called in init.
+ * (rgn_state_lock, rsp_list_lock, etc..)
+ */
+static int ufshpb_init_pinned_active_region(struct ufs_hba *hba,
+ struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn)
+{
+ struct ufshpb_subregion *srgn;
+ int srgn_idx, i;
+ int err = 0;
+
+ for_each_sub_region(rgn, srgn_idx, srgn) {
+ srgn->mctx = ufshpb_get_map_ctx(hpb, srgn->is_last);
+ srgn->srgn_state = HPB_SRGN_INVALID;
+ if (!srgn->mctx) {
+ err = -ENOMEM;
+ dev_err(hba->dev,
+ "alloc mctx for pinned region failed\n");
+ goto release;
+ }
+
+ list_add_tail(&srgn->list_act_srgn, &hpb->lh_act_srgn);
+ }
+
+ rgn->rgn_state = HPB_RGN_PINNED;
+ return 0;
+
+release:
+ for (i = 0; i < srgn_idx; i++) {
+ srgn = rgn->srgn_tbl + i;
+ ufshpb_put_map_ctx(hpb, srgn->mctx);
+ }
+ return err;
+}
+
+static void ufshpb_init_subregion_tbl(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn, bool last)
+{
+ int srgn_idx;
+ struct ufshpb_subregion *srgn;
+
+ for_each_sub_region(rgn, srgn_idx, srgn) {
+ INIT_LIST_HEAD(&srgn->list_act_srgn);
+
+ srgn->rgn_idx = rgn->rgn_idx;
+ srgn->srgn_idx = srgn_idx;
+ srgn->srgn_state = HPB_SRGN_UNUSED;
+ }
+
+ if (unlikely(last && hpb->last_srgn_entries))
+ srgn->is_last = true;
+}
+
+static int ufshpb_alloc_subregion_tbl(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn, int srgn_cnt)
+{
+ rgn->srgn_tbl = kvcalloc(srgn_cnt, sizeof(struct ufshpb_subregion),
+ GFP_KERNEL);
+ if (!rgn->srgn_tbl)
+ return -ENOMEM;
+
+ rgn->srgn_cnt = srgn_cnt;
+ return 0;
+}
+
+static void ufshpb_lu_parameter_init(struct ufs_hba *hba,
+ struct ufshpb_lu *hpb,
+ struct ufshpb_dev_info *hpb_dev_info,
+ struct ufshpb_lu_info *hpb_lu_info)
+{
+ u32 entries_per_rgn;
+ u64 rgn_mem_size, tmp;
+
+ /* for pre_req */
+ hpb->pre_req_min_tr_len = hpb_dev_info->max_hpb_single_cmd + 1;
+
+ if (ufshpb_is_legacy(hba))
+ hpb->pre_req_max_tr_len = HPB_LEGACY_CHUNK_HIGH;
+ else
+ hpb->pre_req_max_tr_len = HPB_MULTI_CHUNK_HIGH;
+
+
+ hpb->cur_read_id = 0;
+
+ hpb->lu_pinned_start = hpb_lu_info->pinned_start;
+ hpb->lu_pinned_end = hpb_lu_info->num_pinned ?
+ (hpb_lu_info->pinned_start + hpb_lu_info->num_pinned - 1)
+ : PINNED_NOT_SET;
+ hpb->lru_info.max_lru_active_cnt =
+ hpb_lu_info->max_active_rgns - hpb_lu_info->num_pinned;
+
+ rgn_mem_size = (1ULL << hpb_dev_info->rgn_size) * HPB_RGN_SIZE_UNIT
+ * HPB_ENTRY_SIZE;
+ do_div(rgn_mem_size, HPB_ENTRY_BLOCK_SIZE);
+ hpb->srgn_mem_size = (1ULL << hpb_dev_info->srgn_size)
+ * HPB_RGN_SIZE_UNIT / HPB_ENTRY_BLOCK_SIZE * HPB_ENTRY_SIZE;
+
+ tmp = rgn_mem_size;
+ do_div(tmp, HPB_ENTRY_SIZE);
+ entries_per_rgn = (u32)tmp;
+ hpb->entries_per_rgn_shift = ilog2(entries_per_rgn);
+ hpb->entries_per_rgn_mask = entries_per_rgn - 1;
+
+ hpb->entries_per_srgn = hpb->srgn_mem_size / HPB_ENTRY_SIZE;
+ hpb->entries_per_srgn_shift = ilog2(hpb->entries_per_srgn);
+ hpb->entries_per_srgn_mask = hpb->entries_per_srgn - 1;
+
+ tmp = rgn_mem_size;
+ do_div(tmp, hpb->srgn_mem_size);
+ hpb->srgns_per_rgn = (int)tmp;
+
+ hpb->rgns_per_lu = DIV_ROUND_UP(hpb_lu_info->num_blocks,
+ entries_per_rgn);
+ hpb->srgns_per_lu = DIV_ROUND_UP(hpb_lu_info->num_blocks,
+ (hpb->srgn_mem_size / HPB_ENTRY_SIZE));
+ hpb->last_srgn_entries = hpb_lu_info->num_blocks
+ % (hpb->srgn_mem_size / HPB_ENTRY_SIZE);
+
+ hpb->pages_per_srgn = DIV_ROUND_UP(hpb->srgn_mem_size, PAGE_SIZE);
+
+ if (hpb_dev_info->control_mode == HPB_HOST_CONTROL)
+ hpb->is_hcm = true;
+}
+
+static int ufshpb_alloc_region_tbl(struct ufs_hba *hba, struct ufshpb_lu *hpb)
+{
+ struct ufshpb_region *rgn_table, *rgn;
+ int rgn_idx, i;
+ int ret = 0;
+
+ rgn_table = kvcalloc(hpb->rgns_per_lu, sizeof(struct ufshpb_region),
+ GFP_KERNEL);
+ if (!rgn_table)
+ return -ENOMEM;
+
+ hpb->rgn_tbl = rgn_table;
+
+ for (rgn_idx = 0; rgn_idx < hpb->rgns_per_lu; rgn_idx++) {
+ int srgn_cnt = hpb->srgns_per_rgn;
+ bool last_srgn = false;
+
+ rgn = rgn_table + rgn_idx;
+ rgn->rgn_idx = rgn_idx;
+
+ spin_lock_init(&rgn->rgn_lock);
+
+ INIT_LIST_HEAD(&rgn->list_inact_rgn);
+ INIT_LIST_HEAD(&rgn->list_lru_rgn);
+ INIT_LIST_HEAD(&rgn->list_expired_rgn);
+
+ if (rgn_idx == hpb->rgns_per_lu - 1) {
+ srgn_cnt = ((hpb->srgns_per_lu - 1) %
+ hpb->srgns_per_rgn) + 1;
+ last_srgn = true;
+ }
+
+ ret = ufshpb_alloc_subregion_tbl(hpb, rgn, srgn_cnt);
+ if (ret)
+ goto release_srgn_table;
+ ufshpb_init_subregion_tbl(hpb, rgn, last_srgn);
+
+ if (ufshpb_is_pinned_region(hpb, rgn_idx)) {
+ ret = ufshpb_init_pinned_active_region(hba, hpb, rgn);
+ if (ret)
+ goto release_srgn_table;
+ } else {
+ rgn->rgn_state = HPB_RGN_INACTIVE;
+ }
+
+ rgn->rgn_flags = 0;
+ rgn->hpb = hpb;
+ }
+
+ return 0;
+
+release_srgn_table:
+ for (i = 0; i < rgn_idx; i++) {
+ rgn = rgn_table + i;
+ kvfree(rgn->srgn_tbl);
+ }
+ kvfree(rgn_table);
+ return ret;
+}
+
+static void ufshpb_destroy_subregion_tbl(struct ufshpb_lu *hpb,
+ struct ufshpb_region *rgn)
+{
+ int srgn_idx;
+ struct ufshpb_subregion *srgn;
+
+ for_each_sub_region(rgn, srgn_idx, srgn)
+ if (srgn->srgn_state != HPB_SRGN_UNUSED) {
+ srgn->srgn_state = HPB_SRGN_UNUSED;
+ ufshpb_put_map_ctx(hpb, srgn->mctx);
+ }
+}
+
+static void ufshpb_destroy_region_tbl(struct ufshpb_lu *hpb)
+{
+ int rgn_idx;
+
+ for (rgn_idx = 0; rgn_idx < hpb->rgns_per_lu; rgn_idx++) {
+ struct ufshpb_region *rgn;
+
+ rgn = hpb->rgn_tbl + rgn_idx;
+ if (rgn->rgn_state != HPB_RGN_INACTIVE) {
+ rgn->rgn_state = HPB_RGN_INACTIVE;
+
+ ufshpb_destroy_subregion_tbl(hpb, rgn);
+ }
+
+ kvfree(rgn->srgn_tbl);
+ }
+
+ kvfree(hpb->rgn_tbl);
+}
+
+/* SYSFS functions */
+#define ufshpb_sysfs_attr_show_func(__name) \
+static ssize_t __name##_show(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct scsi_device *sdev = to_scsi_device(dev); \
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev); \
+ \
+ if (!hpb) \
+ return -ENODEV; \
+ \
+ return sysfs_emit(buf, "%llu\n", hpb->stats.__name); \
+} \
+\
+static DEVICE_ATTR_RO(__name)
+
+ufshpb_sysfs_attr_show_func(hit_cnt);
+ufshpb_sysfs_attr_show_func(miss_cnt);
+ufshpb_sysfs_attr_show_func(rb_noti_cnt);
+ufshpb_sysfs_attr_show_func(rb_active_cnt);
+ufshpb_sysfs_attr_show_func(rb_inactive_cnt);
+ufshpb_sysfs_attr_show_func(map_req_cnt);
+ufshpb_sysfs_attr_show_func(umap_req_cnt);
+
+static struct attribute *hpb_dev_stat_attrs[] = {
+ &dev_attr_hit_cnt.attr,
+ &dev_attr_miss_cnt.attr,
+ &dev_attr_rb_noti_cnt.attr,
+ &dev_attr_rb_active_cnt.attr,
+ &dev_attr_rb_inactive_cnt.attr,
+ &dev_attr_map_req_cnt.attr,
+ &dev_attr_umap_req_cnt.attr,
+ NULL,
+};
+
+struct attribute_group ufs_sysfs_hpb_stat_group = {
+ .name = "hpb_stats",
+ .attrs = hpb_dev_stat_attrs,
+};
+
+/* SYSFS functions */
+#define ufshpb_sysfs_param_show_func(__name) \
+static ssize_t __name##_show(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct scsi_device *sdev = to_scsi_device(dev); \
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev); \
+ \
+ if (!hpb) \
+ return -ENODEV; \
+ \
+ return sysfs_emit(buf, "%d\n", hpb->params.__name); \
+}
+
+ufshpb_sysfs_param_show_func(requeue_timeout_ms);
+static ssize_t
+requeue_timeout_ms_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ if (val < 0)
+ return -EINVAL;
+
+ hpb->params.requeue_timeout_ms = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(requeue_timeout_ms);
+
+ufshpb_sysfs_param_show_func(activation_thld);
+static ssize_t
+activation_thld_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ if (val <= 0)
+ return -EINVAL;
+
+ hpb->params.activation_thld = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(activation_thld);
+
+ufshpb_sysfs_param_show_func(normalization_factor);
+static ssize_t
+normalization_factor_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ if (val <= 0 || val > ilog2(hpb->entries_per_srgn))
+ return -EINVAL;
+
+ hpb->params.normalization_factor = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(normalization_factor);
+
+ufshpb_sysfs_param_show_func(eviction_thld_enter);
+static ssize_t
+eviction_thld_enter_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ if (val <= hpb->params.eviction_thld_exit)
+ return -EINVAL;
+
+ hpb->params.eviction_thld_enter = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(eviction_thld_enter);
+
+ufshpb_sysfs_param_show_func(eviction_thld_exit);
+static ssize_t
+eviction_thld_exit_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ if (val <= hpb->params.activation_thld)
+ return -EINVAL;
+
+ hpb->params.eviction_thld_exit = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(eviction_thld_exit);
+
+ufshpb_sysfs_param_show_func(read_timeout_ms);
+static ssize_t
+read_timeout_ms_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ /* read_timeout >> timeout_polling_interval */
+ if (val < hpb->params.timeout_polling_interval_ms * 2)
+ return -EINVAL;
+
+ hpb->params.read_timeout_ms = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(read_timeout_ms);
+
+ufshpb_sysfs_param_show_func(read_timeout_expiries);
+static ssize_t
+read_timeout_expiries_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ if (val <= 0)
+ return -EINVAL;
+
+ hpb->params.read_timeout_expiries = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(read_timeout_expiries);
+
+ufshpb_sysfs_param_show_func(timeout_polling_interval_ms);
+static ssize_t
+timeout_polling_interval_ms_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ /* timeout_polling_interval << read_timeout */
+ if (val <= 0 || val > hpb->params.read_timeout_ms / 2)
+ return -EINVAL;
+
+ hpb->params.timeout_polling_interval_ms = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(timeout_polling_interval_ms);
+
+ufshpb_sysfs_param_show_func(inflight_map_req);
+static ssize_t inflight_map_req_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+ int val;
+
+ if (!hpb)
+ return -ENODEV;
+
+ if (!hpb->is_hcm)
+ return -EOPNOTSUPP;
+
+ if (kstrtouint(buf, 0, &val))
+ return -EINVAL;
+
+ if (val <= 0 || val > hpb->sdev_ufs_lu->queue_depth - 1)
+ return -EINVAL;
+
+ hpb->params.inflight_map_req = val;
+
+ return count;
+}
+static DEVICE_ATTR_RW(inflight_map_req);
+
+
+static void ufshpb_hcm_param_init(struct ufshpb_lu *hpb)
+{
+ hpb->params.activation_thld = ACTIVATION_THRESHOLD;
+ hpb->params.normalization_factor = 1;
+ hpb->params.eviction_thld_enter = (ACTIVATION_THRESHOLD << 5);
+ hpb->params.eviction_thld_exit = (ACTIVATION_THRESHOLD << 4);
+ hpb->params.read_timeout_ms = READ_TO_MS;
+ hpb->params.read_timeout_expiries = READ_TO_EXPIRIES;
+ hpb->params.timeout_polling_interval_ms = POLLING_INTERVAL_MS;
+ hpb->params.inflight_map_req = THROTTLE_MAP_REQ_DEFAULT;
+}
+
+static struct attribute *hpb_dev_param_attrs[] = {
+ &dev_attr_requeue_timeout_ms.attr,
+ &dev_attr_activation_thld.attr,
+ &dev_attr_normalization_factor.attr,
+ &dev_attr_eviction_thld_enter.attr,
+ &dev_attr_eviction_thld_exit.attr,
+ &dev_attr_read_timeout_ms.attr,
+ &dev_attr_read_timeout_expiries.attr,
+ &dev_attr_timeout_polling_interval_ms.attr,
+ &dev_attr_inflight_map_req.attr,
+ NULL,
+};
+
+struct attribute_group ufs_sysfs_hpb_param_group = {
+ .name = "hpb_params",
+ .attrs = hpb_dev_param_attrs,
+};
+
+static int ufshpb_pre_req_mempool_init(struct ufshpb_lu *hpb)
+{
+ struct ufshpb_req *pre_req = NULL, *t;
+ int qd = hpb->sdev_ufs_lu->queue_depth / 2;
+ int i;
+
+ INIT_LIST_HEAD(&hpb->lh_pre_req_free);
+
+ hpb->pre_req = kcalloc(qd, sizeof(struct ufshpb_req), GFP_KERNEL);
+ hpb->throttle_pre_req = qd;
+ hpb->num_inflight_pre_req = 0;
+
+ if (!hpb->pre_req)
+ goto release_mem;
+
+ for (i = 0; i < qd; i++) {
+ pre_req = hpb->pre_req + i;
+ INIT_LIST_HEAD(&pre_req->list_req);
+ pre_req->req = NULL;
+
+ pre_req->bio = bio_alloc(GFP_KERNEL, 1);
+ if (!pre_req->bio)
+ goto release_mem;
+
+ pre_req->wb.m_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+ if (!pre_req->wb.m_page) {
+ bio_put(pre_req->bio);
+ goto release_mem;
+ }
+
+ list_add_tail(&pre_req->list_req, &hpb->lh_pre_req_free);
+ }
+
+ return 0;
+release_mem:
+ list_for_each_entry_safe(pre_req, t, &hpb->lh_pre_req_free, list_req) {
+ list_del_init(&pre_req->list_req);
+ bio_put(pre_req->bio);
+ __free_page(pre_req->wb.m_page);
+ }
+
+ kfree(hpb->pre_req);
+ return -ENOMEM;
+}
+
+static void ufshpb_pre_req_mempool_destroy(struct ufshpb_lu *hpb)
+{
+ struct ufshpb_req *pre_req = NULL;
+ int i;
+
+ for (i = 0; i < hpb->throttle_pre_req; i++) {
+ pre_req = hpb->pre_req + i;
+ bio_put(hpb->pre_req[i].bio);
+ if (!pre_req->wb.m_page)
+ __free_page(hpb->pre_req[i].wb.m_page);
+ list_del_init(&pre_req->list_req);
+ }
+
+ kfree(hpb->pre_req);
+}
+
+static void ufshpb_stat_init(struct ufshpb_lu *hpb)
+{
+ hpb->stats.hit_cnt = 0;
+ hpb->stats.miss_cnt = 0;
+ hpb->stats.rb_noti_cnt = 0;
+ hpb->stats.rb_active_cnt = 0;
+ hpb->stats.rb_inactive_cnt = 0;
+ hpb->stats.map_req_cnt = 0;
+ hpb->stats.umap_req_cnt = 0;
+}
+
+static void ufshpb_param_init(struct ufshpb_lu *hpb)
+{
+ hpb->params.requeue_timeout_ms = HPB_REQUEUE_TIME_MS;
+ if (hpb->is_hcm)
+ ufshpb_hcm_param_init(hpb);
+}
+
+static int ufshpb_lu_hpb_init(struct ufs_hba *hba, struct ufshpb_lu *hpb)
+{
+ int ret;
+
+ spin_lock_init(&hpb->rgn_state_lock);
+ spin_lock_init(&hpb->rsp_list_lock);
+ spin_lock_init(&hpb->param_lock);
+
+ INIT_LIST_HEAD(&hpb->lru_info.lh_lru_rgn);
+ INIT_LIST_HEAD(&hpb->lh_act_srgn);
+ INIT_LIST_HEAD(&hpb->lh_inact_rgn);
+ INIT_LIST_HEAD(&hpb->list_hpb_lu);
+
+ INIT_WORK(&hpb->map_work, ufshpb_map_work_handler);
+ if (hpb->is_hcm) {
+ INIT_WORK(&hpb->ufshpb_normalization_work,
+ ufshpb_normalization_work_handler);
+ INIT_DELAYED_WORK(&hpb->ufshpb_read_to_work,
+ ufshpb_read_to_handler);
+ }
+
+ hpb->map_req_cache = kmem_cache_create("ufshpb_req_cache",
+ sizeof(struct ufshpb_req), 0, 0, NULL);
+ if (!hpb->map_req_cache) {
+ dev_err(hba->dev, "ufshpb(%d) ufshpb_req_cache create fail",
+ hpb->lun);
+ return -ENOMEM;
+ }
+
+ hpb->m_page_cache = kmem_cache_create("ufshpb_m_page_cache",
+ sizeof(struct page *) * hpb->pages_per_srgn,
+ 0, 0, NULL);
+ if (!hpb->m_page_cache) {
+ dev_err(hba->dev, "ufshpb(%d) ufshpb_m_page_cache create fail",
+ hpb->lun);
+ ret = -ENOMEM;
+ goto release_req_cache;
+ }
+
+ ret = ufshpb_pre_req_mempool_init(hpb);
+ if (ret) {
+ dev_err(hba->dev, "ufshpb(%d) pre_req_mempool init fail",
+ hpb->lun);
+ goto release_m_page_cache;
+ }
+
+ ret = ufshpb_alloc_region_tbl(hba, hpb);
+ if (ret)
+ goto release_pre_req_mempool;
+
+ ufshpb_stat_init(hpb);
+ ufshpb_param_init(hpb);
+
+ if (hpb->is_hcm) {
+ unsigned int poll;
+
+ poll = hpb->params.timeout_polling_interval_ms;
+ schedule_delayed_work(&hpb->ufshpb_read_to_work,
+ msecs_to_jiffies(poll));
+ }
+
+ return 0;
+
+release_pre_req_mempool:
+ ufshpb_pre_req_mempool_destroy(hpb);
+release_m_page_cache:
+ kmem_cache_destroy(hpb->m_page_cache);
+release_req_cache:
+ kmem_cache_destroy(hpb->map_req_cache);
+ return ret;
+}
+
+static struct ufshpb_lu *
+ufshpb_alloc_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev,
+ struct ufshpb_dev_info *hpb_dev_info,
+ struct ufshpb_lu_info *hpb_lu_info)
+{
+ struct ufshpb_lu *hpb;
+ int ret;
+
+ hpb = kzalloc(sizeof(struct ufshpb_lu), GFP_KERNEL);
+ if (!hpb)
+ return NULL;
+
+ hpb->lun = sdev->lun;
+ hpb->sdev_ufs_lu = sdev;
+
+ ufshpb_lu_parameter_init(hba, hpb, hpb_dev_info, hpb_lu_info);
+
+ ret = ufshpb_lu_hpb_init(hba, hpb);
+ if (ret) {
+ dev_err(hba->dev, "hpb lu init failed. ret %d", ret);
+ goto release_hpb;
+ }
+
+ sdev->hostdata = hpb;
+ return hpb;
+
+release_hpb:
+ kfree(hpb);
+ return NULL;
+}
+
+static void ufshpb_discard_rsp_lists(struct ufshpb_lu *hpb)
+{
+ struct ufshpb_region *rgn, *next_rgn;
+ struct ufshpb_subregion *srgn, *next_srgn;
+ unsigned long flags;
+
+ /*
+ * If the device reset occurred, the remained HPB region information
+ * may be stale. Therefore, by dicarding the lists of HPB response
+ * that remained after reset, it prevents unnecessary work.
+ */
+ spin_lock_irqsave(&hpb->rsp_list_lock, flags);
+ list_for_each_entry_safe(rgn, next_rgn, &hpb->lh_inact_rgn,
+ list_inact_rgn)
+ list_del_init(&rgn->list_inact_rgn);
+
+ list_for_each_entry_safe(srgn, next_srgn, &hpb->lh_act_srgn,
+ list_act_srgn)
+ list_del_init(&srgn->list_act_srgn);
+ spin_unlock_irqrestore(&hpb->rsp_list_lock, flags);
+}
+
+static void ufshpb_cancel_jobs(struct ufshpb_lu *hpb)
+{
+ if (hpb->is_hcm) {
+ cancel_delayed_work_sync(&hpb->ufshpb_read_to_work);
+ cancel_work_sync(&hpb->ufshpb_normalization_work);
+ }
+ cancel_work_sync(&hpb->map_work);
+}
+
+static bool ufshpb_check_hpb_reset_query(struct ufs_hba *hba)
+{
+ int err = 0;
+ bool flag_res = true;
+ int try;
+
+ /* wait for the device to complete HPB reset query */
+ for (try = 0; try < HPB_RESET_REQ_RETRIES; try++) {
+ dev_dbg(hba->dev,
+ "%s start flag reset polling %d times\n",
+ __func__, try);
+
+ /* Poll fHpbReset flag to be cleared */
+ err = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG,
+ QUERY_FLAG_IDN_HPB_RESET, 0, &flag_res);
+
+ if (err) {
+ dev_err(hba->dev,
+ "%s reading fHpbReset flag failed with error %d\n",
+ __func__, err);
+ return flag_res;
+ }
+
+ if (!flag_res)
+ goto out;
+
+ usleep_range(1000, 1100);
+ }
+ if (flag_res) {
+ dev_err(hba->dev,
+ "%s fHpbReset was not cleared by the device\n",
+ __func__);
+ }
+out:
+ return flag_res;
+}
+
+void ufshpb_reset(struct ufs_hba *hba)
+{
+ struct ufshpb_lu *hpb;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, hba->host) {
+ hpb = ufshpb_get_hpb_data(sdev);
+ if (!hpb)
+ continue;
+
+ if (ufshpb_get_state(hpb) != HPB_RESET)
+ continue;
+
+ ufshpb_set_state(hpb, HPB_PRESENT);
+ }
+}
+
+void ufshpb_reset_host(struct ufs_hba *hba)
+{
+ struct ufshpb_lu *hpb;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, hba->host) {
+ hpb = ufshpb_get_hpb_data(sdev);
+ if (!hpb)
+ continue;
+
+ if (ufshpb_get_state(hpb) != HPB_PRESENT)
+ continue;
+ ufshpb_set_state(hpb, HPB_RESET);
+ ufshpb_cancel_jobs(hpb);
+ ufshpb_discard_rsp_lists(hpb);
+ }
+}
+
+void ufshpb_suspend(struct ufs_hba *hba)
+{
+ struct ufshpb_lu *hpb;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, hba->host) {
+ hpb = ufshpb_get_hpb_data(sdev);
+ if (!hpb)
+ continue;
+
+ if (ufshpb_get_state(hpb) != HPB_PRESENT)
+ continue;
+ ufshpb_set_state(hpb, HPB_SUSPEND);
+ ufshpb_cancel_jobs(hpb);
+ }
+}
+
+void ufshpb_resume(struct ufs_hba *hba)
+{
+ struct ufshpb_lu *hpb;
+ struct scsi_device *sdev;
+
+ shost_for_each_device(sdev, hba->host) {
+ hpb = ufshpb_get_hpb_data(sdev);
+ if (!hpb)
+ continue;
+
+ if ((ufshpb_get_state(hpb) != HPB_PRESENT) &&
+ (ufshpb_get_state(hpb) != HPB_SUSPEND))
+ continue;
+ ufshpb_set_state(hpb, HPB_PRESENT);
+ ufshpb_kick_map_work(hpb);
+ if (hpb->is_hcm) {
+ unsigned int poll =
+ hpb->params.timeout_polling_interval_ms;
+
+ schedule_delayed_work(&hpb->ufshpb_read_to_work,
+ msecs_to_jiffies(poll));
+ }
+ }
+}
+
+static int ufshpb_get_lu_info(struct ufs_hba *hba, int lun,
+ struct ufshpb_lu_info *hpb_lu_info)
+{
+ u16 max_active_rgns;
+ u8 lu_enable;
+ int size;
+ int ret;
+ char desc_buf[QUERY_DESC_MAX_SIZE];
+
+ ufshcd_map_desc_id_to_length(hba, QUERY_DESC_IDN_UNIT, &size);
+
+ pm_runtime_get_sync(hba->dev);
+ ret = ufshcd_query_descriptor_retry(hba, UPIU_QUERY_OPCODE_READ_DESC,
+ QUERY_DESC_IDN_UNIT, lun, 0,
+ desc_buf, &size);
+ pm_runtime_put_sync(hba->dev);
+
+ if (ret) {
+ dev_err(hba->dev,
+ "%s: idn: %d lun: %d query request failed",
+ __func__, QUERY_DESC_IDN_UNIT, lun);
+ return ret;
+ }
+
+ lu_enable = desc_buf[UNIT_DESC_PARAM_LU_ENABLE];
+ if (lu_enable != LU_ENABLED_HPB_FUNC)
+ return -ENODEV;
+
+ max_active_rgns = get_unaligned_be16(
+ desc_buf + UNIT_DESC_PARAM_HPB_LU_MAX_ACTIVE_RGNS);
+ if (!max_active_rgns) {
+ dev_err(hba->dev,
+ "lun %d wrong number of max active regions\n", lun);
+ return -ENODEV;
+ }
+
+ hpb_lu_info->num_blocks = get_unaligned_be64(
+ desc_buf + UNIT_DESC_PARAM_LOGICAL_BLK_COUNT);
+ hpb_lu_info->pinned_start = get_unaligned_be16(
+ desc_buf + UNIT_DESC_PARAM_HPB_PIN_RGN_START_OFF);
+ hpb_lu_info->num_pinned = get_unaligned_be16(
+ desc_buf + UNIT_DESC_PARAM_HPB_NUM_PIN_RGNS);
+ hpb_lu_info->max_active_rgns = max_active_rgns;
+
+ return 0;
+}
+
+void ufshpb_destroy_lu(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+ struct ufshpb_lu *hpb = ufshpb_get_hpb_data(sdev);
+
+ if (!hpb)
+ return;
+
+ ufshpb_set_state(hpb, HPB_FAILED);
+
+ sdev = hpb->sdev_ufs_lu;
+ sdev->hostdata = NULL;
+
+ ufshpb_cancel_jobs(hpb);
+
+ ufshpb_pre_req_mempool_destroy(hpb);
+ ufshpb_destroy_region_tbl(hpb);
+
+ kmem_cache_destroy(hpb->map_req_cache);
+ kmem_cache_destroy(hpb->m_page_cache);
+
+ list_del_init(&hpb->list_hpb_lu);
+
+ kfree(hpb);
+}
+
+static void ufshpb_hpb_lu_prepared(struct ufs_hba *hba)
+{
+ int pool_size;
+ struct ufshpb_lu *hpb;
+ struct scsi_device *sdev;
+ bool init_success;
+
+ if (tot_active_srgn_pages == 0) {
+ ufshpb_remove(hba);
+ return;
+ }
+
+ init_success = !ufshpb_check_hpb_reset_query(hba);
+
+ pool_size = PAGE_ALIGN(ufshpb_host_map_kbytes * 1024) / PAGE_SIZE;
+ if (pool_size > tot_active_srgn_pages) {
+ mempool_resize(ufshpb_mctx_pool, tot_active_srgn_pages);
+ mempool_resize(ufshpb_page_pool, tot_active_srgn_pages);
+ }
+
+ shost_for_each_device(sdev, hba->host) {
+ hpb = ufshpb_get_hpb_data(sdev);
+ if (!hpb)
+ continue;
+
+ if (init_success) {
+ ufshpb_set_state(hpb, HPB_PRESENT);
+ if ((hpb->lu_pinned_end - hpb->lu_pinned_start) > 0)
+ queue_work(ufshpb_wq, &hpb->map_work);
+ if (!hpb->is_hcm)
+ ufshpb_issue_umap_all_req(hpb);
+ } else {
+ dev_err(hba->dev, "destroy HPB lu %d\n", hpb->lun);
+ ufshpb_destroy_lu(hba, sdev);
+ }
+ }
+
+ if (!init_success)
+ ufshpb_remove(hba);
+}
+
+void ufshpb_init_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev)
+{
+ struct ufshpb_lu *hpb;
+ int ret;
+ struct ufshpb_lu_info hpb_lu_info = { 0 };
+ int lun = sdev->lun;
+
+ if (lun >= hba->dev_info.max_lu_supported)
+ goto out;
+
+ ret = ufshpb_get_lu_info(hba, lun, &hpb_lu_info);
+ if (ret)
+ goto out;
+
+ hpb = ufshpb_alloc_hpb_lu(hba, sdev, ufs_hba_to_hpb(hba), &hpb_lu_info);
+ if (!hpb)
+ goto out;
+
+ tot_active_srgn_pages += hpb_lu_info.max_active_rgns *
+ hpb->srgns_per_rgn * hpb->pages_per_srgn;
+
+out:
+ /* All LUs are initialized */
+ if (atomic_dec_and_test(&ufs_hba_to_hpb(hba)->slave_conf_cnt))
+ ufshpb_hpb_lu_prepared(hba);
+}
+
+static int ufshpb_init_mem_wq(struct ufs_hba *hba)
+{
+ int ret;
+ unsigned int pool_size;
+
+ ufshpb_mctx_cache = kmem_cache_create("ufshpb_mctx_cache",
+ sizeof(struct ufshpb_map_ctx),
+ 0, 0, NULL);
+ if (!ufshpb_mctx_cache) {
+ dev_err(hba->dev, "ufshpb: cannot init mctx cache\n");
+ return -ENOMEM;
+ }
+
+ pool_size = PAGE_ALIGN(ufshpb_host_map_kbytes * 1024) / PAGE_SIZE;
+ dev_info(hba->dev, "%s:%d ufshpb_host_map_kbytes %u pool_size %u\n",
+ __func__, __LINE__, ufshpb_host_map_kbytes, pool_size);
+
+ ufshpb_mctx_pool = mempool_create_slab_pool(pool_size,
+ ufshpb_mctx_cache);
+ if (!ufshpb_mctx_pool) {
+ dev_err(hba->dev, "ufshpb: cannot init mctx pool\n");
+ ret = -ENOMEM;
+ goto release_mctx_cache;
+ }
+
+ ufshpb_page_pool = mempool_create_page_pool(pool_size, 0);
+ if (!ufshpb_page_pool) {
+ dev_err(hba->dev, "ufshpb: cannot init page pool\n");
+ ret = -ENOMEM;
+ goto release_mctx_pool;
+ }
+
+ ufshpb_wq = alloc_workqueue("ufshpb-wq",
+ WQ_UNBOUND | WQ_MEM_RECLAIM, 0);
+ if (!ufshpb_wq) {
+ dev_err(hba->dev, "ufshpb: alloc workqueue failed\n");
+ ret = -ENOMEM;
+ goto release_page_pool;
+ }
+
+ return 0;
+
+release_page_pool:
+ mempool_destroy(ufshpb_page_pool);
+release_mctx_pool:
+ mempool_destroy(ufshpb_mctx_pool);
+release_mctx_cache:
+ kmem_cache_destroy(ufshpb_mctx_cache);
+ return ret;
+}
+
+void ufshpb_get_geo_info(struct ufs_hba *hba, u8 *geo_buf)
+{
+ struct ufshpb_dev_info *hpb_info = ufs_hba_to_hpb(hba);
+ int max_active_rgns = 0;
+ int hpb_num_lu;
+
+ hpb_num_lu = geo_buf[GEOMETRY_DESC_PARAM_HPB_NUMBER_LU];
+ if (hpb_num_lu == 0) {
+ dev_err(hba->dev, "No HPB LU supported\n");
+ hpb_info->hpb_disabled = true;
+ return;
+ }
+
+ hpb_info->rgn_size = geo_buf[GEOMETRY_DESC_PARAM_HPB_REGION_SIZE];
+ hpb_info->srgn_size = geo_buf[GEOMETRY_DESC_PARAM_HPB_SUBREGION_SIZE];
+ max_active_rgns = get_unaligned_be16(geo_buf +
+ GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS);
+
+ if (hpb_info->rgn_size == 0 || hpb_info->srgn_size == 0 ||
+ max_active_rgns == 0) {
+ dev_err(hba->dev, "No HPB supported device\n");
+ hpb_info->hpb_disabled = true;
+ return;
+ }
+}
+
+void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf)
+{
+ struct ufshpb_dev_info *hpb_dev_info = ufs_hba_to_hpb(hba);
+ int version, ret;
+ u32 max_hpb_single_cmd = HPB_MULTI_CHUNK_LOW;
+
+ hpb_dev_info->control_mode = desc_buf[DEVICE_DESC_PARAM_HPB_CONTROL];
+
+ version = get_unaligned_be16(desc_buf + DEVICE_DESC_PARAM_HPB_VER);
+ if ((version != HPB_SUPPORT_VERSION) &&
+ (version != HPB_SUPPORT_LEGACY_VERSION)) {
+ dev_err(hba->dev, "%s: HPB %x version is not supported.\n",
+ __func__, version);
+ hpb_dev_info->hpb_disabled = true;
+ return;
+ }
+
+ if (version == HPB_SUPPORT_LEGACY_VERSION)
+ hpb_dev_info->is_legacy = true;
+
+ pm_runtime_get_sync(hba->dev);
+ ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR,
+ QUERY_ATTR_IDN_MAX_HPB_SINGLE_CMD, 0, 0, &max_hpb_single_cmd);
+ pm_runtime_put_sync(hba->dev);
+
+ if (ret)
+ dev_err(hba->dev, "%s: idn: read max size of single hpb cmd query request failed",
+ __func__);
+ hpb_dev_info->max_hpb_single_cmd = max_hpb_single_cmd;
+
+ /*
+ * Get the number of user logical unit to check whether all
+ * scsi_device finish initialization
+ */
+ hpb_dev_info->num_lu = desc_buf[DEVICE_DESC_PARAM_NUM_LU];
+}
+
+void ufshpb_init(struct ufs_hba *hba)
+{
+ struct ufshpb_dev_info *hpb_dev_info = ufs_hba_to_hpb(hba);
+ int try;
+ int ret;
+
+ if (!ufshpb_is_allowed(hba) || !hba->dev_info.hpb_enabled)
+ return;
+
+ if (ufshpb_init_mem_wq(hba)) {
+ hpb_dev_info->hpb_disabled = true;
+ return;
+ }
+
+ atomic_set(&hpb_dev_info->slave_conf_cnt, hpb_dev_info->num_lu);
+ tot_active_srgn_pages = 0;
+ /* issue HPB reset query */
+ for (try = 0; try < HPB_RESET_REQ_RETRIES; try++) {
+ ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_SET_FLAG,
+ QUERY_FLAG_IDN_HPB_RESET, 0, NULL);
+ if (!ret)
+ break;
+ }
+}
+
+void ufshpb_remove(struct ufs_hba *hba)
+{
+ mempool_destroy(ufshpb_page_pool);
+ mempool_destroy(ufshpb_mctx_pool);
+ kmem_cache_destroy(ufshpb_mctx_cache);
+
+ destroy_workqueue(ufshpb_wq);
+}
+
+module_param(ufshpb_host_map_kbytes, uint, 0644);
+MODULE_PARM_DESC(ufshpb_host_map_kbytes,
+ "ufshpb host mapping memory kilo-bytes for ufshpb memory-pool");
diff --git a/drivers/scsi/ufs/ufshpb.h b/drivers/scsi/ufs/ufshpb.h
new file mode 100644
index 0000000..a79e073
--- /dev/null
+++ b/drivers/scsi/ufs/ufshpb.h
@@ -0,0 +1,323 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Universal Flash Storage Host Performance Booster
+ *
+ * Copyright (C) 2017-2021 Samsung Electronics Co., Ltd.
+ *
+ * Authors:
+ * Yongmyung Lee <ymhungry.lee@samsung.com>
+ * Jinyoung Choi <j-young.choi@samsung.com>
+ */
+
+#ifndef _UFSHPB_H_
+#define _UFSHPB_H_
+
+/* hpb response UPIU macro */
+#define HPB_RSP_NONE 0x0
+#define HPB_RSP_REQ_REGION_UPDATE 0x1
+#define HPB_RSP_DEV_RESET 0x2
+#define MAX_ACTIVE_NUM 2
+#define MAX_INACTIVE_NUM 2
+#define DEV_DATA_SEG_LEN 0x14
+#define DEV_SENSE_SEG_LEN 0x12
+#define DEV_DES_TYPE 0x80
+#define DEV_ADDITIONAL_LEN 0x10
+
+/* hpb map & entries macro */
+#define HPB_RGN_SIZE_UNIT 512
+#define HPB_ENTRY_BLOCK_SIZE 4096
+#define HPB_ENTRY_SIZE 0x8
+#define PINNED_NOT_SET U32_MAX
+
+/* hpb support chunk size */
+#define HPB_LEGACY_CHUNK_HIGH 1
+#define HPB_MULTI_CHUNK_LOW 7
+#define HPB_MULTI_CHUNK_HIGH 255
+
+/* hpb vender defined opcode */
+#define UFSHPB_READ 0xF8
+#define UFSHPB_READ_BUFFER 0xF9
+#define UFSHPB_READ_BUFFER_ID 0x01
+#define UFSHPB_WRITE_BUFFER 0xFA
+#define UFSHPB_WRITE_BUFFER_INACT_SINGLE_ID 0x01
+#define UFSHPB_WRITE_BUFFER_PREFETCH_ID 0x02
+#define UFSHPB_WRITE_BUFFER_INACT_ALL_ID 0x03
+#define HPB_WRITE_BUFFER_CMD_LENGTH 10
+#define MAX_HPB_READ_ID 0x7F
+#define HPB_READ_BUFFER_CMD_LENGTH 10
+#define LU_ENABLED_HPB_FUNC 0x02
+
+#define HPB_RESET_REQ_RETRIES 10
+#define HPB_MAP_REQ_RETRIES 5
+#define HPB_REQUEUE_TIME_MS 0
+
+#define HPB_SUPPORT_VERSION 0x200
+#define HPB_SUPPORT_LEGACY_VERSION 0x100
+
+enum UFSHPB_MODE {
+ HPB_HOST_CONTROL,
+ HPB_DEVICE_CONTROL,
+};
+
+enum UFSHPB_STATE {
+ HPB_INIT = 0,
+ HPB_PRESENT = 1,
+ HPB_SUSPEND,
+ HPB_FAILED,
+ HPB_RESET,
+};
+
+enum HPB_RGN_STATE {
+ HPB_RGN_INACTIVE,
+ HPB_RGN_ACTIVE,
+ /* pinned regions are always active */
+ HPB_RGN_PINNED,
+};
+
+enum HPB_SRGN_STATE {
+ HPB_SRGN_UNUSED,
+ HPB_SRGN_INVALID,
+ HPB_SRGN_VALID,
+ HPB_SRGN_ISSUED,
+};
+
+/**
+ * struct ufshpb_lu_info - UFSHPB logical unit related info
+ * @num_blocks: the number of logical block
+ * @pinned_start: the start region number of pinned region
+ * @num_pinned: the number of pinned regions
+ * @max_active_rgns: maximum number of active regions
+ */
+struct ufshpb_lu_info {
+ int num_blocks;
+ int pinned_start;
+ int num_pinned;
+ int max_active_rgns;
+};
+
+struct ufshpb_map_ctx {
+ struct page **m_page;
+ unsigned long *ppn_dirty;
+};
+
+struct ufshpb_subregion {
+ struct ufshpb_map_ctx *mctx;
+ enum HPB_SRGN_STATE srgn_state;
+ int rgn_idx;
+ int srgn_idx;
+ bool is_last;
+
+ /* subregion reads - for host mode */
+ unsigned int reads;
+
+ /* below information is used by rsp_list */
+ struct list_head list_act_srgn;
+};
+
+struct ufshpb_region {
+ struct ufshpb_lu *hpb;
+ struct ufshpb_subregion *srgn_tbl;
+ enum HPB_RGN_STATE rgn_state;
+ int rgn_idx;
+ int srgn_cnt;
+
+ /* below information is used by rsp_list */
+ struct list_head list_inact_rgn;
+
+ /* below information is used by lru */
+ struct list_head list_lru_rgn;
+ unsigned long rgn_flags;
+#define RGN_FLAG_DIRTY 0
+#define RGN_FLAG_UPDATE 1
+
+ /* region reads - for host mode */
+ spinlock_t rgn_lock;
+ unsigned int reads;
+ /* region "cold" timer - for host mode */
+ ktime_t read_timeout;
+ unsigned int read_timeout_expiries;
+ struct list_head list_expired_rgn;
+};
+
+#define for_each_sub_region(rgn, i, srgn) \
+ for ((i) = 0; \
+ ((i) < (rgn)->srgn_cnt) && ((srgn) = &(rgn)->srgn_tbl[i]); \
+ (i)++)
+
+/**
+ * struct ufshpb_req - HPB related request structure (write/read buffer)
+ * @req: block layer request structure
+ * @bio: bio for this request
+ * @hpb: ufshpb_lu structure that related to
+ * @list_req: ufshpb_req mempool list
+ * @sense: store its sense data
+ * @mctx: L2P map information
+ * @rgn_idx: target region index
+ * @srgn_idx: target sub-region index
+ * @lun: target logical unit number
+ * @m_page: L2P map information data for pre-request
+ * @len: length of host-side cached L2P map in m_page
+ * @lpn: start LPN of L2P map in m_page
+ */
+struct ufshpb_req {
+ struct request *req;
+ struct bio *bio;
+ struct ufshpb_lu *hpb;
+ struct list_head list_req;
+ union {
+ struct {
+ struct ufshpb_map_ctx *mctx;
+ unsigned int rgn_idx;
+ unsigned int srgn_idx;
+ unsigned int lun;
+ } rb;
+ struct {
+ struct page *m_page;
+ unsigned int len;
+ unsigned long lpn;
+ } wb;
+ };
+};
+
+struct victim_select_info {
+ struct list_head lh_lru_rgn; /* LRU list of regions */
+ int max_lru_active_cnt; /* supported hpb #region - pinned #region */
+ atomic_t active_cnt;
+};
+
+/**
+ * ufshpb_params - ufs hpb parameters
+ * @requeue_timeout_ms - requeue threshold of wb command (0x2)
+ * @activation_thld - min reads [IOs] to activate/update a region
+ * @normalization_factor - shift right the region's reads
+ * @eviction_thld_enter - min reads [IOs] for the entering region in eviction
+ * @eviction_thld_exit - max reads [IOs] for the exiting region in eviction
+ * @read_timeout_ms - timeout [ms] from the last read IO to the region
+ * @read_timeout_expiries - amount of allowable timeout expireis
+ * @timeout_polling_interval_ms - frequency in which timeouts are checked
+ * @inflight_map_req - number of inflight map requests
+ */
+struct ufshpb_params {
+ unsigned int requeue_timeout_ms;
+ unsigned int activation_thld;
+ unsigned int normalization_factor;
+ unsigned int eviction_thld_enter;
+ unsigned int eviction_thld_exit;
+ unsigned int read_timeout_ms;
+ unsigned int read_timeout_expiries;
+ unsigned int timeout_polling_interval_ms;
+ unsigned int inflight_map_req;
+};
+
+struct ufshpb_stats {
+ u64 hit_cnt;
+ u64 miss_cnt;
+ u64 rb_noti_cnt;
+ u64 rb_active_cnt;
+ u64 rb_inactive_cnt;
+ u64 map_req_cnt;
+ u64 pre_req_cnt;
+ u64 umap_req_cnt;
+};
+
+struct ufshpb_lu {
+ int lun;
+ struct scsi_device *sdev_ufs_lu;
+
+ spinlock_t rgn_state_lock; /* for protect rgn/srgn state */
+ struct ufshpb_region *rgn_tbl;
+
+ atomic_t hpb_state;
+
+ spinlock_t rsp_list_lock;
+ struct list_head lh_act_srgn; /* hold rsp_list_lock */
+ struct list_head lh_inact_rgn; /* hold rsp_list_lock */
+
+ /* pre request information */
+ struct ufshpb_req *pre_req;
+ int num_inflight_pre_req;
+ int throttle_pre_req;
+ int num_inflight_map_req; /* hold param_lock */
+ spinlock_t param_lock;
+
+ struct list_head lh_pre_req_free;
+ int cur_read_id;
+ int pre_req_min_tr_len;
+ int pre_req_max_tr_len;
+
+ /* cached L2P map management worker */
+ struct work_struct map_work;
+
+ /* for selecting victim */
+ struct victim_select_info lru_info;
+ struct work_struct ufshpb_normalization_work;
+ struct delayed_work ufshpb_read_to_work;
+ unsigned long work_data_bits;
+#define TIMEOUT_WORK_RUNNING 0
+
+ /* pinned region information */
+ u32 lu_pinned_start;
+ u32 lu_pinned_end;
+
+ /* HPB related configuration */
+ u32 rgns_per_lu;
+ u32 srgns_per_lu;
+ u32 last_srgn_entries;
+ int srgns_per_rgn;
+ u32 srgn_mem_size;
+ u32 entries_per_rgn_mask;
+ u32 entries_per_rgn_shift;
+ u32 entries_per_srgn;
+ u32 entries_per_srgn_mask;
+ u32 entries_per_srgn_shift;
+ u32 pages_per_srgn;
+
+ bool is_hcm;
+
+ struct ufshpb_stats stats;
+ struct ufshpb_params params;
+
+ struct kmem_cache *map_req_cache;
+ struct kmem_cache *m_page_cache;
+
+ struct list_head list_hpb_lu;
+};
+
+struct ufs_hba;
+struct ufshcd_lrb;
+
+#ifndef CONFIG_SCSI_UFS_HPB
+static int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) { return 0; }
+static void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) {}
+static void ufshpb_resume(struct ufs_hba *hba) {}
+static void ufshpb_suspend(struct ufs_hba *hba) {}
+static void ufshpb_reset(struct ufs_hba *hba) {}
+static void ufshpb_reset_host(struct ufs_hba *hba) {}
+static void ufshpb_init(struct ufs_hba *hba) {}
+static void ufshpb_init_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev) {}
+static void ufshpb_destroy_lu(struct ufs_hba *hba, struct scsi_device *sdev) {}
+static void ufshpb_remove(struct ufs_hba *hba) {}
+static bool ufshpb_is_allowed(struct ufs_hba *hba) { return false; }
+static void ufshpb_get_geo_info(struct ufs_hba *hba, u8 *geo_buf) {}
+static void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf) {}
+static bool ufshpb_is_legacy(struct ufs_hba *hba) { return false; }
+#else
+int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp);
+void ufshpb_rsp_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp);
+void ufshpb_resume(struct ufs_hba *hba);
+void ufshpb_suspend(struct ufs_hba *hba);
+void ufshpb_reset(struct ufs_hba *hba);
+void ufshpb_reset_host(struct ufs_hba *hba);
+void ufshpb_init(struct ufs_hba *hba);
+void ufshpb_init_hpb_lu(struct ufs_hba *hba, struct scsi_device *sdev);
+void ufshpb_destroy_lu(struct ufs_hba *hba, struct scsi_device *sdev);
+void ufshpb_remove(struct ufs_hba *hba);
+bool ufshpb_is_allowed(struct ufs_hba *hba);
+void ufshpb_get_geo_info(struct ufs_hba *hba, u8 *geo_buf);
+void ufshpb_get_dev_info(struct ufs_hba *hba, u8 *desc_buf);
+bool ufshpb_is_legacy(struct ufs_hba *hba);
+extern struct attribute_group ufs_sysfs_hpb_stat_group;
+extern struct attribute_group ufs_sysfs_hpb_param_group;
+#endif
+
+#endif /* End of Header */
diff --git a/drivers/scsi/ufs/unipro.h b/drivers/scsi/ufs/unipro.h
index f6b52ce..8e9e486 100644
--- a/drivers/scsi/ufs/unipro.h
+++ b/drivers/scsi/ufs/unipro.h
@@ -237,8 +237,10 @@ enum ufs_unipro_ver {
UFS_UNIPRO_VER_RESERVED = 0,
UFS_UNIPRO_VER_1_40 = 1, /* UniPro version 1.40 */
UFS_UNIPRO_VER_1_41 = 2, /* UniPro version 1.41 */
- UFS_UNIPRO_VER_1_6 = 3, /* UniPro version 1.6 */
- UFS_UNIPRO_VER_MAX = 4, /* UniPro unsupported version */
+ UFS_UNIPRO_VER_1_6 = 3, /* UniPro version 1.6 */
+ UFS_UNIPRO_VER_1_61 = 4, /* UniPro version 1.61 */
+ UFS_UNIPRO_VER_1_8 = 5, /* UniPro version 1.8 */
+ UFS_UNIPRO_VER_MAX = 6, /* UniPro unsupported version */
/* UniPro version field mask in PA_LOCALVERINFO */
UFS_UNIPRO_VER_MASK = 0xF,
};
diff --git a/drivers/soc/amlogic/Kconfig b/drivers/soc/amlogic/Kconfig
index 321c5e2..174a9b0 100644
--- a/drivers/soc/amlogic/Kconfig
+++ b/drivers/soc/amlogic/Kconfig
@@ -9,7 +9,7 @@
Say yes to support the canvas IP for Amlogic SoCs.
config MESON_CLK_MEASURE
- bool "Amlogic Meson SoC Clock Measure driver"
+ tristate "Amlogic Meson SoC Clock Measure driver"
depends on ARCH_MESON || COMPILE_TEST
default ARCH_MESON
select REGMAP_MMIO
@@ -19,7 +19,7 @@
config MESON_GX_SOCINFO
bool "Amlogic Meson GX SoC Information driver"
- depends on ARCH_MESON || COMPILE_TEST
+ depends on (ARM64 && ARCH_MESON) || COMPILE_TEST
default ARCH_MESON
select SOC_BUS
help
@@ -27,7 +27,7 @@
information about the type, package and version.
config MESON_GX_PM_DOMAINS
- bool "Amlogic Meson GX Power Domains driver"
+ tristate "Amlogic Meson GX Power Domains driver"
depends on ARCH_MESON || COMPILE_TEST
depends on PM && OF
default ARCH_MESON
@@ -38,7 +38,7 @@
Generic Power Domains.
config MESON_EE_PM_DOMAINS
- bool "Amlogic Meson Everything-Else Power Domains driver"
+ tristate "Amlogic Meson Everything-Else Power Domains driver"
depends on ARCH_MESON || COMPILE_TEST
depends on PM && OF
default ARCH_MESON
@@ -49,7 +49,7 @@
Generic Power Domains.
config MESON_SECURE_PM_DOMAINS
- bool "Amlogic Meson Secure Power Domains driver"
+ tristate "Amlogic Meson Secure Power Domains driver"
depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
depends on PM && OF
depends on HAVE_ARM_SMCCC
@@ -63,7 +63,7 @@
config MESON_MX_SOCINFO
bool "Amlogic Meson MX SoC Information driver"
- depends on ARCH_MESON || COMPILE_TEST
+ depends on (ARM && ARCH_MESON) || COMPILE_TEST
default ARCH_MESON
select SOC_BUS
help
diff --git a/drivers/soc/amlogic/meson-clk-measure.c b/drivers/soc/amlogic/meson-clk-measure.c
index 0fa47d7..e195747 100644
--- a/drivers/soc/amlogic/meson-clk-measure.c
+++ b/drivers/soc/amlogic/meson-clk-measure.c
@@ -10,6 +10,7 @@
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/regmap.h>
+#include <linux/module.h>
static DEFINE_MUTEX(measure_lock);
@@ -681,6 +682,7 @@ static const struct of_device_id meson_msr_match_table[] = {
},
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, meson_msr_match_table);
static struct platform_driver meson_msr_driver = {
.probe = meson_msr_probe,
@@ -689,4 +691,5 @@ static struct platform_driver meson_msr_driver = {
.of_match_table = meson_msr_match_table,
},
};
-builtin_platform_driver(meson_msr_driver);
+module_platform_driver(meson_msr_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c
index 5164a4d..ed7d2fb 100644
--- a/drivers/soc/amlogic/meson-ee-pwrc.c
+++ b/drivers/soc/amlogic/meson-ee-pwrc.c
@@ -14,6 +14,7 @@
#include <linux/reset-controller.h>
#include <linux/reset.h>
#include <linux/clk.h>
+#include <linux/module.h>
#include <dt-bindings/power/meson8-power.h>
#include <dt-bindings/power/meson-axg-power.h>
#include <dt-bindings/power/meson-g12a-power.h>
@@ -602,6 +603,7 @@ static const struct of_device_id meson_ee_pwrc_match_table[] = {
},
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, meson_ee_pwrc_match_table);
static struct platform_driver meson_ee_pwrc_driver = {
.probe = meson_ee_pwrc_probe,
@@ -611,4 +613,5 @@ static struct platform_driver meson_ee_pwrc_driver = {
.of_match_table = meson_ee_pwrc_match_table,
},
};
-builtin_platform_driver(meson_ee_pwrc_driver);
+module_platform_driver(meson_ee_pwrc_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
index 21b4bc8..8790627 100644
--- a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
+++ b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c
@@ -14,6 +14,7 @@
#include <linux/of_device.h>
#include <linux/reset.h>
#include <linux/clk.h>
+#include <linux/module.h>
/* AO Offsets */
@@ -364,6 +365,7 @@ static const struct of_device_id meson_gx_pwrc_vpu_match_table[] = {
},
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, meson_gx_pwrc_vpu_match_table);
static struct platform_driver meson_gx_pwrc_vpu_driver = {
.probe = meson_gx_pwrc_vpu_probe,
@@ -373,4 +375,5 @@ static struct platform_driver meson_gx_pwrc_vpu_driver = {
.of_match_table = meson_gx_pwrc_vpu_match_table,
},
};
-builtin_platform_driver(meson_gx_pwrc_vpu_driver);
+module_platform_driver(meson_gx_pwrc_vpu_driver);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/amlogic/meson-secure-pwrc.c b/drivers/soc/amlogic/meson-secure-pwrc.c
index 5fb29a4..59bd195 100644
--- a/drivers/soc/amlogic/meson-secure-pwrc.c
+++ b/drivers/soc/amlogic/meson-secure-pwrc.c
@@ -13,6 +13,7 @@
#include <dt-bindings/power/meson-a1-power.h>
#include <linux/arm-smccc.h>
#include <linux/firmware/meson/meson_sm.h>
+#include <linux/module.h>
#define PWRC_ON 1
#define PWRC_OFF 0
@@ -193,6 +194,7 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = {
},
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table);
static struct platform_driver meson_secure_pwrc_driver = {
.probe = meson_secure_pwrc_probe,
@@ -201,4 +203,5 @@ static struct platform_driver meson_secure_pwrc_driver = {
.of_match_table = meson_secure_pwrc_match_table,
},
};
-builtin_platform_driver(meson_secure_pwrc_driver);
+module_platform_driver(meson_secure_pwrc_driver);
+MODULE_LICENSE("Dual MIT/GPL");
diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index 6a3b69b..79b568f 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -17,7 +17,7 @@
Subsystem (AOSS) using Qualcomm Messaging Protocol (QMP).
config QCOM_COMMAND_DB
- bool "Qualcomm Command DB"
+ tristate "Qualcomm Command DB"
depends on ARCH_QCOM || COMPILE_TEST
depends on OF_RESERVED_MEM
help
@@ -108,8 +108,9 @@
Say y here if you intend to boot the modem remoteproc.
config QCOM_RPMH
- bool "Qualcomm RPM-Hardened (RPMH) Communication"
+ tristate "Qualcomm RPM-Hardened (RPMH) Communication"
depends on ARCH_QCOM || COMPILE_TEST
+ depends on (QCOM_COMMAND_DB || !QCOM_COMMAND_DB)
help
Support for communication with the hardened-RPM blocks in
Qualcomm Technologies Inc (QTI) SoCs. RPMH communication uses an
diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c
index fc56106..dd87201 100644
--- a/drivers/soc/qcom/cmd-db.c
+++ b/drivers/soc/qcom/cmd-db.c
@@ -1,8 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. */
+/* Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved. */
#include <linux/debugfs.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_reserved_mem.h>
@@ -340,12 +341,14 @@ static const struct of_device_id cmd_db_match_table[] = {
{ .compatible = "qcom,cmd-db" },
{ }
};
+MODULE_DEVICE_TABLE(of, cmd_db_match_table);
static struct platform_driver cmd_db_dev_driver = {
.probe = cmd_db_dev_probe,
.driver = {
.name = "cmd-db",
.of_match_table = cmd_db_match_table,
+ .suppress_bind_attrs = true,
},
};
@@ -354,3 +357,6 @@ static int __init cmd_db_device_init(void)
return platform_driver_register(&cmd_db_dev_driver);
}
arch_initcall(cmd_db_device_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Command DB Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index a297911..44a32cb 100644
--- a/drivers/soc/qcom/rpmh-rsc.c
+++ b/drivers/soc/qcom/rpmh-rsc.c
@@ -13,6 +13,7 @@
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/list.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
@@ -497,7 +498,7 @@ static void __tcs_buffer_write(struct rsc_drv *drv, int tcs_id, int cmd_id,
write_tcs_cmd(drv, RSC_DRV_CMD_MSGID, tcs_id, j, msgid);
write_tcs_cmd(drv, RSC_DRV_CMD_ADDR, tcs_id, j, cmd->addr);
write_tcs_cmd(drv, RSC_DRV_CMD_DATA, tcs_id, j, cmd->data);
- trace_rpmh_send_msg_rcuidle(drv, tcs_id, j, msgid, cmd);
+ // trace_rpmh_send_msg_rcuidle(drv, tcs_id, j, msgid, cmd);
}
write_tcs_reg(drv, RSC_DRV_CMD_WAIT_FOR_CMPL, tcs_id, cmd_complete);
@@ -1018,6 +1019,8 @@ static const struct of_device_id rpmh_drv_match[] = {
{ .compatible = "qcom,rpmh-rsc", },
{ }
};
+MODULE_DEVICE_TABLE(of, rpmh_drv_match);
+
static struct platform_driver rpmh_driver = {
.probe = rpmh_rsc_probe,
@@ -1033,3 +1036,6 @@ static int __init rpmh_driver_init(void)
return platform_driver_register(&rpmh_driver);
}
arch_initcall(rpmh_driver_init);
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. RPMh Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 4d4f77a..89b91cdf 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -454,8 +454,7 @@ struct rx_ranges {
u8 *end;
};
-static int rx_ranges_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int rx_ranges_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct rx_ranges *rx_a = list_entry(a, struct rx_ranges, list);
struct rx_ranges *rx_b = list_entry(b, struct rx_ranges, list);
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index 4682f49..2c584c1 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -137,8 +137,8 @@ static int spi_check_buswidth_req(struct spi_mem *mem, u8 buswidth, bool tx)
return -ENOTSUPP;
}
-bool spi_mem_default_supports_op(struct spi_mem *mem,
- const struct spi_mem_op *op)
+static bool spi_mem_check_buswidth(struct spi_mem *mem,
+ const struct spi_mem_op *op)
{
if (spi_check_buswidth_req(mem, op->cmd.buswidth, true))
return false;
@@ -156,13 +156,29 @@ bool spi_mem_default_supports_op(struct spi_mem *mem,
op->data.dir == SPI_MEM_DATA_OUT))
return false;
+ return true;
+}
+
+bool spi_mem_dtr_supports_op(struct spi_mem *mem,
+ const struct spi_mem_op *op)
+{
+ if (op->cmd.nbytes != 2)
+ return false;
+
+ return spi_mem_check_buswidth(mem, op);
+}
+EXPORT_SYMBOL_GPL(spi_mem_dtr_supports_op);
+
+bool spi_mem_default_supports_op(struct spi_mem *mem,
+ const struct spi_mem_op *op)
+{
if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr)
return false;
if (op->cmd.nbytes != 1)
return false;
- return true;
+ return spi_mem_check_buswidth(mem, op);
}
EXPORT_SYMBOL_GPL(spi_mem_default_supports_op);
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index e4ee8b0..f7603c2 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2315,13 +2315,13 @@ static int pl022_probe(struct amba_device *adev, const struct amba_id *id)
return status;
}
-static int
+static void
pl022_remove(struct amba_device *adev)
{
struct pl022 *pl022 = amba_get_drvdata(adev);
if (!pl022)
- return 0;
+ return;
/*
* undo pm_runtime_put() in probe. I assume that we're not
@@ -2336,7 +2336,6 @@ pl022_remove(struct amba_device *adev)
clk_disable_unprepare(pl022->clk);
amba_release_regions(adev);
tasklet_disable(&pl022->pump_transfers);
- return 0;
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 8c261ea..c640a9f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2500,7 +2500,6 @@ struct spi_controller *__devm_spi_alloc_controller(struct device *dev,
ctlr = __spi_alloc_controller(dev, size, slave);
if (ctlr) {
- ctlr->devm_allocated = true;
*ptr = ctlr;
devres_add(dev, ptr);
} else {
@@ -2848,6 +2847,11 @@ int devm_spi_register_controller(struct device *dev,
}
EXPORT_SYMBOL_GPL(devm_spi_register_controller);
+static int devm_spi_match_controller(struct device *dev, void *res, void *ctlr)
+{
+ return *(struct spi_controller **)res == ctlr;
+}
+
static int __unregister(struct device *dev, void *null)
{
spi_unregister_device(to_spi_device(dev));
@@ -2894,7 +2898,8 @@ void spi_unregister_controller(struct spi_controller *ctlr)
/* Release the last reference on the controller if its driver
* has not yet been converted to devm_spi_alloc_master/slave().
*/
- if (!ctlr->devm_allocated)
+ if (!devres_find(ctlr->dev.parent, devm_spi_release_controller,
+ devm_spi_match_controller, ctlr))
put_device(&ctlr->dev);
/* free bus id */
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index 8d8fd5c..549120c5d 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -14,6 +14,17 @@
It is, in theory, a good memory allocator for low-memory devices,
because it can discard shared memory units when under memory pressure.
+config DEBUG_KINFO
+ bool "Debug Kernel Information Support"
+ depends on KALLSYMS
+ help
+ This supports kernel information backup for bootloader usage.
+ Specifics:
+ - The kallsyms symbols for unwind_backtrace
+ - Page directory pointer
+ - UTS_RELEASE
+ - BUILD_INFO(ro.build.fingerprint)
+
source "drivers/staging/android/ion/Kconfig"
endif # if ANDROID
diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile
index 3b66cd0..ca5df9a 100644
--- a/drivers/staging/android/Makefile
+++ b/drivers/staging/android/Makefile
@@ -4,3 +4,4 @@
obj-y += ion/
obj-$(CONFIG_ASHMEM) += ashmem.o
+obj-$(CONFIG_DEBUG_KINFO) += debug_kinfo.o
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 10b4be1..05e47ce 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -894,6 +894,8 @@ static void ashmem_show_fdinfo(struct seq_file *m, struct file *file)
seq_printf(m, "name:\t%s\n",
asma->name + ASHMEM_NAME_PREFIX_LEN);
+ seq_printf(m, "size:\t%zu\n", asma->size);
+
mutex_unlock(&ashmem_mutex);
}
#endif
@@ -913,6 +915,15 @@ static const struct file_operations ashmem_fops = {
#endif
};
+/*
+ * is_ashmem_file - Check if struct file* is associated with ashmem
+ */
+int is_ashmem_file(struct file *file)
+{
+ return file->f_op == &ashmem_fops;
+}
+EXPORT_SYMBOL_GPL(is_ashmem_file);
+
static struct miscdevice ashmem_misc = {
.minor = MISC_DYNAMIC_MINOR,
.name = "ashmem",
diff --git a/drivers/staging/android/ashmem.h b/drivers/staging/android/ashmem.h
index 1a47817..9fa72ed 100644
--- a/drivers/staging/android/ashmem.h
+++ b/drivers/staging/android/ashmem.h
@@ -21,4 +21,6 @@
#define COMPAT_ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned int)
#endif
+int is_ashmem_file(struct file *file);
+
#endif /* _LINUX_ASHMEM_H */
diff --git a/drivers/staging/android/debug_kinfo.c b/drivers/staging/android/debug_kinfo.c
new file mode 100644
index 0000000..8e67fb3
--- /dev/null
+++ b/drivers/staging/android/debug_kinfo.c
@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * debug_kinfo.c - backup kernel information for bootloader usage
+ *
+ * Copyright 2002 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation
+ * Copyright 2021 Google LLC
+ */
+
+#include <linux/platform_device.h>
+#include <linux/kallsyms.h>
+#include <linux/vmalloc.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/pgtable.h>
+#include <asm/module.h>
+#include "debug_kinfo.h"
+
+/*
+ * These will be re-linked against their real values
+ * during the second link stage.
+ */
+extern const unsigned long kallsyms_addresses[] __weak;
+extern const int kallsyms_offsets[] __weak;
+extern const u8 kallsyms_names[] __weak;
+
+/*
+ * Tell the compiler that the count isn't in the small data section if the arch
+ * has one (eg: FRV).
+ */
+extern const unsigned int kallsyms_num_syms __weak
+__section(".rodata");
+
+extern const unsigned long kallsyms_relative_base __weak
+__section(".rodata");
+
+extern const u8 kallsyms_token_table[] __weak;
+extern const u16 kallsyms_token_index[] __weak;
+
+extern const unsigned int kallsyms_markers[] __weak;
+
+static void *all_info_addr;
+static u32 all_info_size;
+
+static void update_kernel_all_info(struct kernel_all_info *all_info)
+{
+ int index;
+ struct kernel_info *info;
+ u32 *checksum_info;
+
+ all_info->magic_number = DEBUG_KINFO_MAGIC;
+ all_info->combined_checksum = 0;
+
+ info = &(all_info->info);
+ checksum_info = (u32 *)info;
+ for (index = 0; index < sizeof(*info) / sizeof(u32); index++)
+ all_info->combined_checksum ^= checksum_info[index];
+}
+
+static int build_info_set(const char *str, const struct kernel_param *kp)
+{
+ struct kernel_all_info *all_info;
+ size_t build_info_size;
+ int ret = 0;
+
+ if (all_info_addr == 0 || all_info_size == 0) {
+ ret = -EPERM;
+ goto Exit;
+ }
+
+ all_info = (struct kernel_all_info *)all_info_addr;
+ build_info_size = sizeof(all_info->info.build_info);
+
+ memcpy(&all_info->info.build_info, str, min(build_info_size - 1, strlen(str)));
+ update_kernel_all_info(all_info);
+
+ if (strlen(str) > build_info_size) {
+ pr_warn("%s: Build info buffer (len: %zd) can't hold entire string '%s'\n",
+ __func__, build_info_size, str);
+ ret = -ENOMEM;
+ }
+
+Exit:
+ vunmap(all_info_addr);
+ return ret;
+}
+
+static const struct kernel_param_ops build_info_op = {
+ .set = build_info_set,
+};
+
+module_param_cb(build_info, &build_info_op, NULL, 0200);
+MODULE_PARM_DESC(build_info, "Write build info to field 'build_info' of debug kinfo.");
+
+static int debug_kinfo_probe(struct platform_device *pdev)
+{
+ struct device_node *mem_region;
+ struct reserved_mem *rmem;
+ struct kernel_all_info *all_info;
+ struct kernel_info *info;
+
+ mem_region = of_parse_phandle(pdev->dev.of_node, "memory-region", 0);
+ if (!mem_region) {
+ dev_warn(&pdev->dev, "no such memory-region\n");
+ return -ENODEV;
+ }
+
+ rmem = of_reserved_mem_lookup(mem_region);
+ if (!rmem) {
+ dev_warn(&pdev->dev, "no such reserved mem of node name %s\n",
+ pdev->dev.of_node->name);
+ return -ENODEV;
+ }
+
+ /* Need to wait for reserved memory to be mapped */
+ if (!rmem->priv) {
+ return -EPROBE_DEFER;
+ }
+
+ if (!rmem->base || !rmem->size) {
+ dev_warn(&pdev->dev, "unexpected reserved memory\n");
+ return -EINVAL;
+ }
+
+ if (rmem->size < sizeof(struct kernel_all_info)) {
+ dev_warn(&pdev->dev, "unexpected reserved memory size\n");
+ return -EINVAL;
+ }
+
+ all_info_addr = rmem->priv;
+ all_info_size = rmem->size;
+
+ memset(all_info_addr, 0, sizeof(struct kernel_all_info));
+ all_info = (struct kernel_all_info *)all_info_addr;
+ info = &(all_info->info);
+ info->enabled_all = IS_ENABLED(CONFIG_KALLSYMS_ALL);
+ info->enabled_base_relative = IS_ENABLED(CONFIG_KALLSYMS_BASE_RELATIVE);
+ info->enabled_absolute_percpu = IS_ENABLED(CONFIG_KALLSYMS_ABSOLUTE_PERCPU);
+ info->enabled_cfi_clang = IS_ENABLED(CONFIG_CFI_CLANG);
+ info->num_syms = kallsyms_num_syms;
+ info->name_len = KSYM_NAME_LEN;
+ info->bit_per_long = BITS_PER_LONG;
+ info->module_name_len = MODULE_NAME_LEN;
+ info->symbol_len = KSYM_SYMBOL_LEN;
+ if (!info->enabled_base_relative)
+ info->_addresses_pa = (u64)__pa_symbol((volatile void *)kallsyms_addresses);
+ else {
+ info->_relative_pa = (u64)__pa_symbol((volatile void *)kallsyms_relative_base);
+ info->_offsets_pa = (u64)__pa_symbol((volatile void *)kallsyms_offsets);
+ }
+ info->_stext_pa = (u64)__pa_symbol(_stext);
+ info->_etext_pa = (u64)__pa_symbol(_etext);
+ info->_sinittext_pa = (u64)__pa_symbol(_sinittext);
+ info->_einittext_pa = (u64)__pa_symbol(_einittext);
+ info->_end_pa = (u64)__pa_symbol(_end);
+ info->_names_pa = (u64)__pa_symbol((volatile void *)kallsyms_names);
+ info->_token_table_pa = (u64)__pa_symbol((volatile void *)kallsyms_token_table);
+ info->_token_index_pa = (u64)__pa_symbol((volatile void *)kallsyms_token_index);
+ info->_markers_pa = (u64)__pa_symbol((volatile void *)kallsyms_markers);
+ info->thread_size = THREAD_SIZE;
+ info->swapper_pg_dir_pa = (u64)__pa_symbol(swapper_pg_dir);
+ strlcpy(info->last_uts_release, init_utsname()->release, sizeof(info->last_uts_release));
+ info->enabled_modules_tree_lookup = IS_ENABLED(CONFIG_MODULES_TREE_LOOKUP);
+ info->mod_core_layout_offset = offsetof(struct module, core_layout);
+ info->mod_init_layout_offset = offsetof(struct module, init_layout);
+ info->mod_kallsyms_offset = offsetof(struct module, kallsyms);
+#if defined(CONFIG_RANDOMIZE_BASE) && defined(MODULES_VSIZE)
+ info->module_start_va = module_alloc_base;
+ info->module_end_va = info->module_start_va + MODULES_VSIZE;
+#elif defined(CONFIG_MODULES) && defined(MODULES_VADDR)
+ info->module_start_va = MODULES_VADDR;
+ info->module_end_va = MODULES_END;
+#else
+ info->module_start_va = VMALLOC_START;
+ info->module_end_va = VMALLOC_END;
+#endif
+ update_kernel_all_info(all_info);
+
+ return 0;
+}
+
+static const struct of_device_id debug_kinfo_of_match[] = {
+ { .compatible = "google,debug-kinfo" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, debug_kinfo_of_match);
+
+static struct platform_driver debug_kinfo_driver = {
+ .probe = debug_kinfo_probe,
+ .driver = {
+ .name = "debug-kinfo",
+ .of_match_table = of_match_ptr(debug_kinfo_of_match),
+ },
+};
+module_platform_driver(debug_kinfo_driver);
+
+MODULE_AUTHOR("Jone Chou <jonechou@google.com>");
+MODULE_DESCRIPTION("Debug Kinfo Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/android/debug_kinfo.h b/drivers/staging/android/debug_kinfo.h
new file mode 100644
index 0000000..921f140
--- /dev/null
+++ b/drivers/staging/android/debug_kinfo.h
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * debug_kinfo.h - backup kernel information for bootloader usage
+ *
+ * Copyright 2021 Google LLC
+ */
+
+#ifndef DEBUG_KINFO_H
+#define DEBUG_KINFO_H
+
+#include <linux/utsname.h>
+
+#define BUILD_INFO_LEN 256
+#define DEBUG_KINFO_MAGIC 0xCCEEDDFF
+
+/*
+ * Header structure must be byte-packed, since the table is provided to
+ * bootloader.
+ */
+struct kernel_info {
+ /* For kallsyms */
+ __u8 enabled_all;
+ __u8 enabled_base_relative;
+ __u8 enabled_absolute_percpu;
+ __u8 enabled_cfi_clang;
+ __u32 num_syms;
+ __u16 name_len;
+ __u16 bit_per_long;
+ __u16 module_name_len;
+ __u16 symbol_len;
+ __u64 _addresses_pa;
+ __u64 _relative_pa;
+ __u64 _stext_pa;
+ __u64 _etext_pa;
+ __u64 _sinittext_pa;
+ __u64 _einittext_pa;
+ __u64 _end_pa;
+ __u64 _offsets_pa;
+ __u64 _names_pa;
+ __u64 _token_table_pa;
+ __u64 _token_index_pa;
+ __u64 _markers_pa;
+
+ /* For frame pointer */
+ __u32 thread_size;
+
+ /* For virt_to_phys */
+ __u64 swapper_pg_dir_pa;
+
+ /* For linux banner */
+ __u8 last_uts_release[__NEW_UTS_LEN];
+
+ /* Info of running build */
+ __u8 build_info[BUILD_INFO_LEN];
+
+ /* For module kallsyms */
+ __u32 enabled_modules_tree_lookup;
+ __u32 mod_core_layout_offset;
+ __u32 mod_init_layout_offset;
+ __u32 mod_kallsyms_offset;
+ __u64 module_start_va;
+ __u64 module_end_va;
+} __packed;
+
+struct kernel_all_info {
+ __u32 magic_number;
+ __u32 combined_checksum;
+ struct kernel_info info;
+} __packed;
+
+#endif // DEBUG_KINFO_H
diff --git a/drivers/staging/android/ion/Kconfig b/drivers/staging/android/ion/Kconfig
index 989fe84..7b7da97 100644
--- a/drivers/staging/android/ion/Kconfig
+++ b/drivers/staging/android/ion/Kconfig
@@ -11,17 +11,4 @@
If you're not using Android its probably safe to
say N here.
-config ION_SYSTEM_HEAP
- bool "Ion system heap"
- depends on ION
- help
- Choose this option to enable the Ion system heap. The system heap
- is backed by pages from the buddy allocator. If in doubt, say Y.
-
-config ION_CMA_HEAP
- bool "Ion CMA heap support"
- depends on ION && DMA_CMA
- help
- Choose this option to enable CMA heaps with Ion. This heap is backed
- by the Contiguous Memory Allocator (CMA). If your system has these
- regions, you should say Y here.
+source "drivers/staging/android/ion/heaps/Kconfig"
diff --git a/drivers/staging/android/ion/Makefile b/drivers/staging/android/ion/Makefile
index 5f4487b..7f8fd0f 100644
--- a/drivers/staging/android/ion/Makefile
+++ b/drivers/staging/android/ion/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_ION) += ion.o ion_heap.o
-obj-$(CONFIG_ION_SYSTEM_HEAP) += ion_system_heap.o ion_page_pool.o
-obj-$(CONFIG_ION_CMA_HEAP) += ion_cma_heap.o
+obj-$(CONFIG_ION) += ion.o ion_buffer.o ion_dma_buf.o ion_heap.o
+CFLAGS_ion_buffer.o = -I$(src)
+obj-y += heaps/
diff --git a/drivers/staging/android/ion/heaps/Kconfig b/drivers/staging/android/ion/heaps/Kconfig
new file mode 100644
index 0000000..5034c45
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/Kconfig
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+config ION_SYSTEM_HEAP
+ tristate "Ion system heap"
+ depends on ION
+ help
+ Choose this option to enable the Ion system heap. The system heap
+ is backed by pages from the buddy allocator. If in doubt, say Y.
+
+config ION_CMA_HEAP
+ tristate "Ion CMA heap support"
+ depends on ION && DMA_CMA
+ help
+ Choose this option to enable CMA heaps with Ion. This heap is backed
+ by the Contiguous Memory Allocator (CMA). If your system has these
+ regions, you should say Y here.
diff --git a/drivers/staging/android/ion/heaps/Makefile b/drivers/staging/android/ion/heaps/Makefile
new file mode 100644
index 0000000..82e36e8
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_ION_SYSTEM_HEAP) += ion_sys_heap.o
+ion_sys_heap-y := ion_system_heap.o ion_page_pool.o
+
+obj-$(CONFIG_ION_CMA_HEAP) += ion_cma_heap.o
diff --git a/drivers/staging/android/ion/ion_cma_heap.c b/drivers/staging/android/ion/heaps/ion_cma_heap.c
similarity index 72%
rename from drivers/staging/android/ion/ion_cma_heap.c
rename to drivers/staging/android/ion/heaps/ion_cma_heap.c
index bf65e67..6ba7fd8 100644
--- a/drivers/staging/android/ion/ion_cma_heap.c
+++ b/drivers/staging/android/ion/heaps/ion_cma_heap.c
@@ -7,6 +7,7 @@
*/
#include <linux/device.h>
+#include <linux/ion.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/err.h>
@@ -14,12 +15,10 @@
#include <linux/scatterlist.h>
#include <linux/highmem.h>
-#include "ion.h"
-
struct ion_cma_heap {
struct ion_heap heap;
struct cma *cma;
-};
+} cma_heaps[MAX_CMA_AREAS];
#define to_cma_heap(x) container_of(x, struct ion_cma_heap, heap)
@@ -71,6 +70,9 @@ static int ion_cma_allocate(struct ion_heap *heap, struct ion_buffer *buffer,
buffer->priv_virt = pages;
buffer->sg_table = table;
+
+ ion_buffer_prep_noncached(buffer);
+
return 0;
free_mem:
@@ -96,43 +98,54 @@ static void ion_cma_free(struct ion_buffer *buffer)
static struct ion_heap_ops ion_cma_ops = {
.allocate = ion_cma_allocate,
.free = ion_cma_free,
- .map_user = ion_heap_map_user,
- .map_kernel = ion_heap_map_kernel,
- .unmap_kernel = ion_heap_unmap_kernel,
};
-static struct ion_heap *__ion_cma_heap_create(struct cma *cma)
+static int __ion_add_cma_heap(struct cma *cma, void *data)
{
+ int *cma_nr = data;
struct ion_cma_heap *cma_heap;
+ int ret;
- cma_heap = kzalloc(sizeof(*cma_heap), GFP_KERNEL);
+ if (*cma_nr >= MAX_CMA_AREAS)
+ return -EINVAL;
- if (!cma_heap)
- return ERR_PTR(-ENOMEM);
-
+ cma_heap = &cma_heaps[*cma_nr];
cma_heap->heap.ops = &ion_cma_ops;
- cma_heap->cma = cma;
cma_heap->heap.type = ION_HEAP_TYPE_DMA;
- return &cma_heap->heap;
-}
+ cma_heap->heap.name = cma_get_name(cma);
-static int __ion_add_cma_heaps(struct cma *cma, void *data)
-{
- struct ion_heap *heap;
+ ret = ion_device_add_heap(&cma_heap->heap);
+ if (ret)
+ goto out;
- heap = __ion_cma_heap_create(cma);
- if (IS_ERR(heap))
- return PTR_ERR(heap);
-
- heap->name = cma_get_name(cma);
-
- ion_device_add_heap(heap);
+ cma_heap->cma = cma;
+ *cma_nr += 1;
+out:
return 0;
}
-static int ion_add_cma_heaps(void)
+static int __init ion_cma_heap_init(void)
{
- cma_for_each_area(__ion_add_cma_heaps, NULL);
- return 0;
+ int ret;
+ int nr = 0;
+
+ ret = cma_for_each_area(__ion_add_cma_heap, &nr);
+ if (ret) {
+ for (nr = 0; nr < MAX_CMA_AREAS && cma_heaps[nr].cma; nr++)
+ ion_device_remove_heap(&cma_heaps[nr].heap);
+ }
+
+ return ret;
}
-device_initcall(ion_add_cma_heaps);
+
+static void __exit ion_cma_heap_exit(void)
+{
+ int nr;
+
+ for (nr = 0; nr < MAX_CMA_AREAS && cma_heaps[nr].cma; nr++)
+ ion_device_remove_heap(&cma_heaps[nr].heap);
+}
+
+module_init(ion_cma_heap_init);
+module_exit(ion_cma_heap_exit);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/heaps/ion_page_pool.c
similarity index 87%
rename from drivers/staging/android/ion/ion_page_pool.c
rename to drivers/staging/android/ion/heaps/ion_page_pool.c
index 0198b88..efd6ce4 100644
--- a/drivers/staging/android/ion/ion_page_pool.c
+++ b/drivers/staging/android/ion/heaps/ion_page_pool.c
@@ -10,7 +10,7 @@
#include <linux/swap.h>
#include <linux/sched/signal.h>
-#include "ion.h"
+#include "ion_page_pool.h"
static inline struct page *ion_page_pool_alloc_pages(struct ion_page_pool *pool)
{
@@ -79,6 +79,7 @@ struct page *ion_page_pool_alloc(struct ion_page_pool *pool)
return page;
}
+EXPORT_SYMBOL_GPL(ion_page_pool_alloc);
void ion_page_pool_free(struct ion_page_pool *pool, struct page *page)
{
@@ -86,6 +87,7 @@ void ion_page_pool_free(struct ion_page_pool *pool, struct page *page)
ion_page_pool_add(pool, page);
}
+EXPORT_SYMBOL_GPL(ion_page_pool_free);
static int ion_page_pool_total(struct ion_page_pool *pool, bool high)
{
@@ -97,6 +99,18 @@ static int ion_page_pool_total(struct ion_page_pool *pool, bool high)
return count << pool->order;
}
+int ion_page_pool_nr_pages(struct ion_page_pool *pool)
+{
+ int nr_total_pages;
+
+ mutex_lock(&pool->mutex);
+ nr_total_pages = ion_page_pool_total(pool, true);
+ mutex_unlock(&pool->mutex);
+
+ return nr_total_pages;
+}
+EXPORT_SYMBOL_GPL(ion_page_pool_nr_pages);
+
int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
int nr_to_scan)
{
@@ -130,6 +144,7 @@ int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
return freed;
}
+EXPORT_SYMBOL_GPL(ion_page_pool_shrink);
struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order)
{
@@ -148,8 +163,10 @@ struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order)
return pool;
}
+EXPORT_SYMBOL_GPL(ion_page_pool_create);
void ion_page_pool_destroy(struct ion_page_pool *pool)
{
kfree(pool);
}
+EXPORT_SYMBOL_GPL(ion_page_pool_destroy);
diff --git a/drivers/staging/android/ion/heaps/ion_page_pool.h b/drivers/staging/android/ion/heaps/ion_page_pool.h
new file mode 100644
index 0000000..10c7909
--- /dev/null
+++ b/drivers/staging/android/ion/heaps/ion_page_pool.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ION Page Pool kernel interface header
+ *
+ * Copyright (C) 2011 Google, Inc.
+ */
+
+#ifndef _ION_PAGE_POOL_H
+#define _ION_PAGE_POOL_H
+
+#include <linux/mm_types.h>
+#include <linux/mutex.h>
+#include <linux/shrinker.h>
+#include <linux/types.h>
+
+/**
+ * functions for creating and destroying a heap pool -- allows you
+ * to keep a pool of pre allocated memory to use from your heap. Keeping
+ * a pool of memory that is ready for dma, ie any cached mapping have been
+ * invalidated from the cache, provides a significant performance benefit on
+ * many systems
+ */
+
+/**
+ * struct ion_page_pool - pagepool struct
+ * @high_count: number of highmem items in the pool
+ * @low_count: number of lowmem items in the pool
+ * @high_items: list of highmem items
+ * @low_items: list of lowmem items
+ * @mutex: lock protecting this struct and especially the count
+ * item list
+ * @gfp_mask: gfp_mask to use from alloc
+ * @order: order of pages in the pool
+ * @list: plist node for list of pools
+ *
+ * Allows you to keep a pool of pre allocated pages to use from your heap.
+ * Keeping a pool of pages that is ready for dma, ie any cached mapping have
+ * been invalidated from the cache, provides a significant performance benefit
+ * on many systems
+ */
+struct ion_page_pool {
+ int high_count;
+ int low_count;
+ struct list_head high_items;
+ struct list_head low_items;
+ struct mutex mutex;
+ gfp_t gfp_mask;
+ unsigned int order;
+ struct plist_node list;
+};
+
+struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order);
+void ion_page_pool_destroy(struct ion_page_pool *pool);
+struct page *ion_page_pool_alloc(struct ion_page_pool *pool);
+void ion_page_pool_free(struct ion_page_pool *pool, struct page *page);
+int ion_page_pool_nr_pages(struct ion_page_pool *pool);
+
+/** ion_page_pool_shrink - shrinks the size of the memory cached in the pool
+ * @pool: the pool
+ * @gfp_mask: the memory type to reclaim
+ * @nr_to_scan: number of items to shrink in pages
+ *
+ * returns the number of items freed in pages
+ */
+int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
+ int nr_to_scan);
+#endif /* _ION_PAGE_POOL_H */
diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/heaps/ion_system_heap.c
similarity index 65%
rename from drivers/staging/android/ion/ion_system_heap.c
rename to drivers/staging/android/ion/heaps/ion_system_heap.c
index eac0632..fc63049 100644
--- a/drivers/staging/android/ion/ion_system_heap.c
+++ b/drivers/staging/android/ion/heaps/ion_system_heap.c
@@ -9,12 +9,14 @@
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/highmem.h>
+#include <linux/ion.h>
#include <linux/mm.h>
+#include <linux/module.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
-#include "ion.h"
+#include "ion_page_pool.h"
#define NUM_ORDERS ARRAY_SIZE(orders)
@@ -139,6 +141,9 @@ static int ion_system_heap_allocate(struct ion_heap *heap,
}
buffer->sg_table = table;
+
+ ion_buffer_prep_noncached(buffer);
+
return 0;
free_table:
@@ -160,7 +165,7 @@ static void ion_system_heap_free(struct ion_buffer *buffer)
/* zero the buffer before goto page pool */
if (!(buffer->private_flags & ION_PRIV_FLAG_SHRINKER_FREE))
- ion_heap_buffer_zero(buffer);
+ ion_buffer_zero(buffer);
for_each_sgtable_sg(table, sg, i)
free_buffer_page(sys_heap, buffer, sg_page(sg));
@@ -203,14 +208,18 @@ static int ion_system_heap_shrink(struct ion_heap *heap, gfp_t gfp_mask,
return nr_total;
}
-static struct ion_heap_ops system_heap_ops = {
- .allocate = ion_system_heap_allocate,
- .free = ion_system_heap_free,
- .map_kernel = ion_heap_map_kernel,
- .unmap_kernel = ion_heap_unmap_kernel,
- .map_user = ion_heap_map_user,
- .shrink = ion_system_heap_shrink,
-};
+static long ion_system_get_pool_size(struct ion_heap *heap)
+{
+ struct ion_system_heap *sys_heap;
+ long total_pages = 0;
+ int i;
+
+ sys_heap = container_of(heap, struct ion_system_heap, heap);
+ for (i = 0; i < NUM_ORDERS; i++)
+ total_pages += ion_page_pool_nr_pages(sys_heap->pools[i]);
+
+ return total_pages;
+}
static void ion_system_heap_destroy_pools(struct ion_page_pool **pools)
{
@@ -245,133 +254,37 @@ static int ion_system_heap_create_pools(struct ion_page_pool **pools)
return -ENOMEM;
}
-static struct ion_heap *__ion_system_heap_create(void)
-{
- struct ion_system_heap *heap;
-
- heap = kzalloc(sizeof(*heap), GFP_KERNEL);
- if (!heap)
- return ERR_PTR(-ENOMEM);
- heap->heap.ops = &system_heap_ops;
- heap->heap.type = ION_HEAP_TYPE_SYSTEM;
- heap->heap.flags = ION_HEAP_FLAG_DEFER_FREE;
-
- if (ion_system_heap_create_pools(heap->pools))
- goto free_heap;
-
- return &heap->heap;
-
-free_heap:
- kfree(heap);
- return ERR_PTR(-ENOMEM);
-}
-
-static int ion_system_heap_create(void)
-{
- struct ion_heap *heap;
-
- heap = __ion_system_heap_create();
- if (IS_ERR(heap))
- return PTR_ERR(heap);
- heap->name = "ion_system_heap";
-
- ion_device_add_heap(heap);
-
- return 0;
-}
-device_initcall(ion_system_heap_create);
-
-static int ion_system_contig_heap_allocate(struct ion_heap *heap,
- struct ion_buffer *buffer,
- unsigned long len,
- unsigned long flags)
-{
- int order = get_order(len);
- struct page *page;
- struct sg_table *table;
- unsigned long i;
- int ret;
-
- page = alloc_pages(low_order_gfp_flags | __GFP_NOWARN, order);
- if (!page)
- return -ENOMEM;
-
- split_page(page, order);
-
- len = PAGE_ALIGN(len);
- for (i = len >> PAGE_SHIFT; i < (1 << order); i++)
- __free_page(page + i);
-
- table = kmalloc(sizeof(*table), GFP_KERNEL);
- if (!table) {
- ret = -ENOMEM;
- goto free_pages;
- }
-
- ret = sg_alloc_table(table, 1, GFP_KERNEL);
- if (ret)
- goto free_table;
-
- sg_set_page(table->sgl, page, len, 0);
-
- buffer->sg_table = table;
-
- return 0;
-
-free_table:
- kfree(table);
-free_pages:
- for (i = 0; i < len >> PAGE_SHIFT; i++)
- __free_page(page + i);
-
- return ret;
-}
-
-static void ion_system_contig_heap_free(struct ion_buffer *buffer)
-{
- struct sg_table *table = buffer->sg_table;
- struct page *page = sg_page(table->sgl);
- unsigned long pages = PAGE_ALIGN(buffer->size) >> PAGE_SHIFT;
- unsigned long i;
-
- for (i = 0; i < pages; i++)
- __free_page(page + i);
- sg_free_table(table);
- kfree(table);
-}
-
-static struct ion_heap_ops kmalloc_ops = {
- .allocate = ion_system_contig_heap_allocate,
- .free = ion_system_contig_heap_free,
- .map_kernel = ion_heap_map_kernel,
- .unmap_kernel = ion_heap_unmap_kernel,
- .map_user = ion_heap_map_user,
+static struct ion_heap_ops system_heap_ops = {
+ .allocate = ion_system_heap_allocate,
+ .free = ion_system_heap_free,
+ .shrink = ion_system_heap_shrink,
+ .get_pool_size = ion_system_get_pool_size,
};
-static struct ion_heap *__ion_system_contig_heap_create(void)
+static struct ion_system_heap system_heap = {
+ .heap = {
+ .ops = &system_heap_ops,
+ .type = ION_HEAP_TYPE_SYSTEM,
+ .flags = ION_HEAP_FLAG_DEFER_FREE,
+ .name = "ion_system_heap",
+ }
+};
+
+static int __init ion_system_heap_init(void)
{
- struct ion_heap *heap;
+ int ret = ion_system_heap_create_pools(system_heap.pools);
+ if (ret)
+ return ret;
- heap = kzalloc(sizeof(*heap), GFP_KERNEL);
- if (!heap)
- return ERR_PTR(-ENOMEM);
- heap->ops = &kmalloc_ops;
- heap->type = ION_HEAP_TYPE_SYSTEM_CONTIG;
- heap->name = "ion_system_contig_heap";
-
- return heap;
+ return ion_device_add_heap(&system_heap.heap);
}
-static int ion_system_contig_heap_create(void)
+static void __exit ion_system_heap_exit(void)
{
- struct ion_heap *heap;
-
- heap = __ion_system_contig_heap_create();
- if (IS_ERR(heap))
- return PTR_ERR(heap);
-
- ion_device_add_heap(heap);
-
- return 0;
+ ion_device_remove_heap(&system_heap.heap);
+ ion_system_heap_destroy_pools(system_heap.pools);
}
-device_initcall(ion_system_contig_heap_create);
+
+module_init(ion_system_heap_init);
+module_exit(ion_system_heap_exit);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index e1fe03c..268c461 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -3,8 +3,11 @@
* ION Memory Allocator
*
* Copyright (C) 2011 Google, Inc.
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ *
*/
+#include <linux/bitmap.h>
#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/dma-buf.h>
@@ -15,376 +18,42 @@
#include <linux/fs.h>
#include <linux/kthread.h>
#include <linux/list.h>
-#include <linux/miscdevice.h>
#include <linux/mm.h>
#include <linux/mm_types.h>
#include <linux/rbtree.h>
#include <linux/sched/task.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
-#include <linux/vmalloc.h>
-#include "ion.h"
+#include "ion_private.h"
+
+#define ION_CURRENT_ABI_VERSION 2
static struct ion_device *internal_dev;
-static int heap_id;
-/* this function should only be called while dev->lock is held */
-static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
- struct ion_device *dev,
- unsigned long len,
- unsigned long flags)
+/* Entry into ION allocator for rest of the kernel */
+struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
+ unsigned int flags)
{
- struct ion_buffer *buffer;
- int ret;
-
- buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
- if (!buffer)
- return ERR_PTR(-ENOMEM);
-
- buffer->heap = heap;
- buffer->flags = flags;
- buffer->dev = dev;
- buffer->size = len;
-
- ret = heap->ops->allocate(heap, buffer, len, flags);
-
- if (ret) {
- if (!(heap->flags & ION_HEAP_FLAG_DEFER_FREE))
- goto err2;
-
- ion_heap_freelist_drain(heap, 0);
- ret = heap->ops->allocate(heap, buffer, len, flags);
- if (ret)
- goto err2;
- }
-
- if (!buffer->sg_table) {
- WARN_ONCE(1, "This heap needs to set the sgtable");
- ret = -EINVAL;
- goto err1;
- }
-
- spin_lock(&heap->stat_lock);
- heap->num_of_buffers++;
- heap->num_of_alloc_bytes += len;
- if (heap->num_of_alloc_bytes > heap->alloc_bytes_wm)
- heap->alloc_bytes_wm = heap->num_of_alloc_bytes;
- spin_unlock(&heap->stat_lock);
-
- INIT_LIST_HEAD(&buffer->attachments);
- mutex_init(&buffer->lock);
- return buffer;
-
-err1:
- heap->ops->free(buffer);
-err2:
- kfree(buffer);
- return ERR_PTR(ret);
+ return ion_dmabuf_alloc(internal_dev, len, heap_id_mask, flags);
}
+EXPORT_SYMBOL_GPL(ion_alloc);
-void ion_buffer_destroy(struct ion_buffer *buffer)
+int ion_free(struct ion_buffer *buffer)
{
- if (buffer->kmap_cnt > 0) {
- pr_warn_once("%s: buffer still mapped in the kernel\n",
- __func__);
- buffer->heap->ops->unmap_kernel(buffer->heap, buffer);
- }
- buffer->heap->ops->free(buffer);
- spin_lock(&buffer->heap->stat_lock);
- buffer->heap->num_of_buffers--;
- buffer->heap->num_of_alloc_bytes -= buffer->size;
- spin_unlock(&buffer->heap->stat_lock);
-
- kfree(buffer);
+ return ion_buffer_destroy(internal_dev, buffer);
}
+EXPORT_SYMBOL_GPL(ion_free);
-static void _ion_buffer_destroy(struct ion_buffer *buffer)
+static int ion_alloc_fd(size_t len, unsigned int heap_id_mask,
+ unsigned int flags)
{
- struct ion_heap *heap = buffer->heap;
-
- if (heap->flags & ION_HEAP_FLAG_DEFER_FREE)
- ion_heap_freelist_add(heap, buffer);
- else
- ion_buffer_destroy(buffer);
-}
-
-static void *ion_buffer_kmap_get(struct ion_buffer *buffer)
-{
- void *vaddr;
-
- if (buffer->kmap_cnt) {
- buffer->kmap_cnt++;
- return buffer->vaddr;
- }
- vaddr = buffer->heap->ops->map_kernel(buffer->heap, buffer);
- if (WARN_ONCE(!vaddr,
- "heap->ops->map_kernel should return ERR_PTR on error"))
- return ERR_PTR(-EINVAL);
- if (IS_ERR(vaddr))
- return vaddr;
- buffer->vaddr = vaddr;
- buffer->kmap_cnt++;
- return vaddr;
-}
-
-static void ion_buffer_kmap_put(struct ion_buffer *buffer)
-{
- buffer->kmap_cnt--;
- if (!buffer->kmap_cnt) {
- buffer->heap->ops->unmap_kernel(buffer->heap, buffer);
- buffer->vaddr = NULL;
- }
-}
-
-static struct sg_table *dup_sg_table(struct sg_table *table)
-{
- struct sg_table *new_table;
- int ret, i;
- struct scatterlist *sg, *new_sg;
-
- new_table = kzalloc(sizeof(*new_table), GFP_KERNEL);
- if (!new_table)
- return ERR_PTR(-ENOMEM);
-
- ret = sg_alloc_table(new_table, table->orig_nents, GFP_KERNEL);
- if (ret) {
- kfree(new_table);
- return ERR_PTR(-ENOMEM);
- }
-
- new_sg = new_table->sgl;
- for_each_sgtable_sg(table, sg, i) {
- memcpy(new_sg, sg, sizeof(*sg));
- new_sg->dma_address = 0;
- new_sg = sg_next(new_sg);
- }
-
- return new_table;
-}
-
-static void free_duped_table(struct sg_table *table)
-{
- sg_free_table(table);
- kfree(table);
-}
-
-struct ion_dma_buf_attachment {
- struct device *dev;
- struct sg_table *table;
- struct list_head list;
-};
-
-static int ion_dma_buf_attach(struct dma_buf *dmabuf,
- struct dma_buf_attachment *attachment)
-{
- struct ion_dma_buf_attachment *a;
- struct sg_table *table;
- struct ion_buffer *buffer = dmabuf->priv;
-
- a = kzalloc(sizeof(*a), GFP_KERNEL);
- if (!a)
- return -ENOMEM;
-
- table = dup_sg_table(buffer->sg_table);
- if (IS_ERR(table)) {
- kfree(a);
- return -ENOMEM;
- }
-
- a->table = table;
- a->dev = attachment->dev;
- INIT_LIST_HEAD(&a->list);
-
- attachment->priv = a;
-
- mutex_lock(&buffer->lock);
- list_add(&a->list, &buffer->attachments);
- mutex_unlock(&buffer->lock);
-
- return 0;
-}
-
-static void ion_dma_buf_detach(struct dma_buf *dmabuf,
- struct dma_buf_attachment *attachment)
-{
- struct ion_dma_buf_attachment *a = attachment->priv;
- struct ion_buffer *buffer = dmabuf->priv;
-
- mutex_lock(&buffer->lock);
- list_del(&a->list);
- mutex_unlock(&buffer->lock);
- free_duped_table(a->table);
-
- kfree(a);
-}
-
-static struct sg_table *ion_map_dma_buf(struct dma_buf_attachment *attachment,
- enum dma_data_direction direction)
-{
- struct ion_dma_buf_attachment *a = attachment->priv;
- struct sg_table *table;
- int ret;
-
- table = a->table;
-
- ret = dma_map_sgtable(attachment->dev, table, direction, 0);
- if (ret)
- return ERR_PTR(ret);
-
- return table;
-}
-
-static void ion_unmap_dma_buf(struct dma_buf_attachment *attachment,
- struct sg_table *table,
- enum dma_data_direction direction)
-{
- dma_unmap_sgtable(attachment->dev, table, direction, 0);
-}
-
-static int ion_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
-{
- struct ion_buffer *buffer = dmabuf->priv;
- int ret = 0;
-
- if (!buffer->heap->ops->map_user) {
- pr_err("%s: this heap does not define a method for mapping to userspace\n",
- __func__);
- return -EINVAL;
- }
-
- if (!(buffer->flags & ION_FLAG_CACHED))
- vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-
- mutex_lock(&buffer->lock);
- /* now map it to userspace */
- ret = buffer->heap->ops->map_user(buffer->heap, buffer, vma);
- mutex_unlock(&buffer->lock);
-
- if (ret)
- pr_err("%s: failure mapping buffer to userspace\n",
- __func__);
-
- return ret;
-}
-
-static void ion_dma_buf_release(struct dma_buf *dmabuf)
-{
- struct ion_buffer *buffer = dmabuf->priv;
-
- _ion_buffer_destroy(buffer);
-}
-
-static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
- enum dma_data_direction direction)
-{
- struct ion_buffer *buffer = dmabuf->priv;
- void *vaddr;
- struct ion_dma_buf_attachment *a;
- int ret = 0;
-
- /*
- * TODO: Move this elsewhere because we don't always need a vaddr
- */
- if (buffer->heap->ops->map_kernel) {
- mutex_lock(&buffer->lock);
- vaddr = ion_buffer_kmap_get(buffer);
- if (IS_ERR(vaddr)) {
- ret = PTR_ERR(vaddr);
- goto unlock;
- }
- mutex_unlock(&buffer->lock);
- }
-
- mutex_lock(&buffer->lock);
- list_for_each_entry(a, &buffer->attachments, list)
- dma_sync_sgtable_for_cpu(a->dev, a->table, direction);
-
-unlock:
- mutex_unlock(&buffer->lock);
- return ret;
-}
-
-static int ion_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
- enum dma_data_direction direction)
-{
- struct ion_buffer *buffer = dmabuf->priv;
- struct ion_dma_buf_attachment *a;
-
- if (buffer->heap->ops->map_kernel) {
- mutex_lock(&buffer->lock);
- ion_buffer_kmap_put(buffer);
- mutex_unlock(&buffer->lock);
- }
-
- mutex_lock(&buffer->lock);
- list_for_each_entry(a, &buffer->attachments, list)
- dma_sync_sgtable_for_device(a->dev, a->table, direction);
- mutex_unlock(&buffer->lock);
-
- return 0;
-}
-
-static const struct dma_buf_ops dma_buf_ops = {
- .map_dma_buf = ion_map_dma_buf,
- .unmap_dma_buf = ion_unmap_dma_buf,
- .mmap = ion_mmap,
- .release = ion_dma_buf_release,
- .attach = ion_dma_buf_attach,
- .detach = ion_dma_buf_detach,
- .begin_cpu_access = ion_dma_buf_begin_cpu_access,
- .end_cpu_access = ion_dma_buf_end_cpu_access,
-};
-
-static int ion_alloc(size_t len, unsigned int heap_id_mask, unsigned int flags)
-{
- struct ion_device *dev = internal_dev;
- struct ion_buffer *buffer = NULL;
- struct ion_heap *heap;
- DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
int fd;
struct dma_buf *dmabuf;
- pr_debug("%s: len %zu heap_id_mask %u flags %x\n", __func__,
- len, heap_id_mask, flags);
- /*
- * traverse the list of heaps available in this system in priority
- * order. If the heap type is supported by the client, and matches the
- * request of the caller allocate from it. Repeat until allocate has
- * succeeded or all heaps have been tried
- */
- len = PAGE_ALIGN(len);
-
- if (!len)
- return -EINVAL;
-
- down_read(&dev->lock);
- plist_for_each_entry(heap, &dev->heaps, node) {
- /* if the caller didn't specify this heap id */
- if (!((1 << heap->id) & heap_id_mask))
- continue;
- buffer = ion_buffer_create(heap, dev, len, flags);
- if (!IS_ERR(buffer))
- break;
- }
- up_read(&dev->lock);
-
- if (!buffer)
- return -ENODEV;
-
- if (IS_ERR(buffer))
- return PTR_ERR(buffer);
-
- exp_info.ops = &dma_buf_ops;
- exp_info.size = buffer->size;
- exp_info.flags = O_RDWR;
- exp_info.priv = buffer;
-
- dmabuf = dma_buf_export(&exp_info);
- if (IS_ERR(dmabuf)) {
- _ion_buffer_destroy(buffer);
+ dmabuf = ion_dmabuf_alloc(internal_dev, len, heap_id_mask, flags);
+ if (IS_ERR(dmabuf))
return PTR_ERR(dmabuf);
- }
fd = dma_buf_fd(dmabuf, O_CLOEXEC);
if (fd < 0)
@@ -393,6 +62,38 @@ static int ion_alloc(size_t len, unsigned int heap_id_mask, unsigned int flags)
return fd;
}
+size_t ion_query_heaps_kernel(struct ion_heap_data *hdata, size_t size)
+{
+ struct ion_device *dev = internal_dev;
+ size_t i = 0, num_heaps = 0;
+ struct ion_heap *heap;
+
+ down_read(&dev->lock);
+
+ // If size is 0, return without updating hdata.
+ if (size == 0) {
+ num_heaps = dev->heap_cnt;
+ goto out;
+ }
+
+ plist_for_each_entry(heap, &dev->heaps, node) {
+ strncpy(hdata[i].name, heap->name, MAX_HEAP_NAME);
+ hdata[i].name[MAX_HEAP_NAME - 1] = '\0';
+ hdata[i].type = heap->type;
+ hdata[i].heap_id = heap->id;
+
+ i++;
+ if (i >= size)
+ break;
+ }
+
+ num_heaps = i;
+out:
+ up_read(&dev->lock);
+ return num_heaps;
+}
+EXPORT_SYMBOL_GPL(ion_query_heaps_kernel);
+
static int ion_query_heaps(struct ion_heap_query *query)
{
struct ion_device *dev = internal_dev;
@@ -441,6 +142,7 @@ static int ion_query_heaps(struct ion_heap_query *query)
union ion_ioctl_arg {
struct ion_allocation_data allocation;
struct ion_heap_query query;
+ u32 ion_abi_version;
};
static int validate_ioctl_arg(unsigned int cmd, union ion_ioctl_arg *arg)
@@ -489,9 +191,9 @@ static long ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int fd;
- fd = ion_alloc(data.allocation.len,
- data.allocation.heap_id_mask,
- data.allocation.flags);
+ fd = ion_alloc_fd(data.allocation.len,
+ data.allocation.heap_id_mask,
+ data.allocation.flags);
if (fd < 0)
return fd;
@@ -502,6 +204,9 @@ static long ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case ION_IOC_HEAP_QUERY:
ret = ion_query_heaps(&data.query);
break;
+ case ION_IOC_ABI_VERSION:
+ data.ion_abi_version = ION_CURRENT_ABI_VERSION;
+ break;
default:
return -ENOTTY;
}
@@ -554,31 +259,88 @@ static int debug_shrink_get(void *data, u64 *val)
DEFINE_SIMPLE_ATTRIBUTE(debug_shrink_fops, debug_shrink_get,
debug_shrink_set, "%llu\n");
-void ion_device_add_heap(struct ion_heap *heap)
+static int ion_assign_heap_id(struct ion_heap *heap, struct ion_device *dev)
+{
+ int id_bit = -EINVAL;
+ int start_bit = -1, end_bit = -1;
+
+ switch (heap->type) {
+ case ION_HEAP_TYPE_SYSTEM:
+ id_bit = __ffs(ION_HEAP_SYSTEM);
+ break;
+ case ION_HEAP_TYPE_DMA:
+ start_bit = __ffs(ION_HEAP_DMA_START);
+ end_bit = __ffs(ION_HEAP_DMA_END);
+ break;
+ case ION_HEAP_TYPE_CUSTOM ... ION_HEAP_TYPE_MAX:
+ start_bit = __ffs(ION_HEAP_CUSTOM_START);
+ end_bit = __ffs(ION_HEAP_CUSTOM_END);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* For carveout, dma & custom heaps, we first let the heaps choose their
+ * own IDs. This allows the old behaviour of knowing the heap ids
+ * of these type of heaps in advance in user space. If a heap with
+ * that ID already exists, it is an error.
+ *
+ * If the heap hasn't picked an id by itself, then we assign it
+ * one.
+ */
+ if (id_bit < 0) {
+ if (heap->id) {
+ id_bit = __ffs(heap->id);
+ if (id_bit < start_bit || id_bit > end_bit)
+ return -EINVAL;
+ } else {
+ id_bit = find_next_zero_bit(dev->heap_ids, end_bit + 1,
+ start_bit);
+ if (id_bit > end_bit)
+ return -ENOSPC;
+ }
+ }
+
+ if (test_and_set_bit(id_bit, dev->heap_ids))
+ return -EEXIST;
+ heap->id = id_bit;
+ dev->heap_cnt++;
+
+ return 0;
+}
+
+int __ion_device_add_heap(struct ion_heap *heap, struct module *owner)
{
struct ion_device *dev = internal_dev;
int ret;
struct dentry *heap_root;
char debug_name[64];
- if (!heap->ops->allocate || !heap->ops->free)
- pr_err("%s: can not add heap with invalid ops struct.\n",
- __func__);
+ if (!heap || !heap->ops || !heap->ops->allocate || !heap->ops->free) {
+ pr_err("%s: invalid heap or heap_ops\n", __func__);
+ ret = -EINVAL;
+ goto out;
+ }
+ heap->owner = owner;
spin_lock_init(&heap->free_lock);
spin_lock_init(&heap->stat_lock);
heap->free_list_size = 0;
- if (heap->flags & ION_HEAP_FLAG_DEFER_FREE)
- ion_heap_init_deferred_free(heap);
+ if (heap->flags & ION_HEAP_FLAG_DEFER_FREE) {
+ ret = ion_heap_init_deferred_free(heap);
+ if (ret)
+ goto out_heap_cleanup;
+ }
if ((heap->flags & ION_HEAP_FLAG_DEFER_FREE) || heap->ops->shrink) {
ret = ion_heap_init_shrinker(heap);
- if (ret)
+ if (ret) {
pr_err("%s: Failed to register shrinker\n", __func__);
+ goto out_heap_cleanup;
+ }
}
- heap->dev = dev;
heap->num_of_buffers = 0;
heap->num_of_alloc_bytes = 0;
heap->alloc_bytes_wm = 0;
@@ -606,8 +368,16 @@ void ion_device_add_heap(struct ion_heap *heap)
&debug_shrink_fops);
}
+ heap->debugfs_dir = heap_root;
down_write(&dev->lock);
- heap->id = heap_id++;
+ ret = ion_assign_heap_id(heap, dev);
+ if (ret) {
+ pr_err("%s: Failed to assign heap id for heap type %x\n",
+ __func__, heap->type);
+ up_write(&dev->lock);
+ goto out_debugfs_cleanup;
+ }
+
/*
* use negative heap->id to reverse the priority -- when traversing
* the list later attempt higher id numbers first
@@ -615,10 +385,99 @@ void ion_device_add_heap(struct ion_heap *heap)
plist_node_init(&heap->node, -heap->id);
plist_add(&heap->node, &dev->heaps);
- dev->heap_cnt++;
+ up_write(&dev->lock);
+
+ return 0;
+
+out_debugfs_cleanup:
+ debugfs_remove_recursive(heap->debugfs_dir);
+out_heap_cleanup:
+ ion_heap_cleanup(heap);
+out:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(__ion_device_add_heap);
+
+void ion_device_remove_heap(struct ion_heap *heap)
+{
+ struct ion_device *dev = internal_dev;
+
+ if (!heap) {
+ pr_err("%s: Invalid argument\n", __func__);
+ return;
+ }
+
+ // take semaphore and remove the heap from dev->heap list
+ down_write(&dev->lock);
+ /* So no new allocations can happen from this heap */
+ plist_del(&heap->node, &dev->heaps);
+ if (ion_heap_cleanup(heap) != 0) {
+ pr_warn("%s: failed to cleanup heap (%s)\n",
+ __func__, heap->name);
+ }
+ debugfs_remove_recursive(heap->debugfs_dir);
+ clear_bit(heap->id, dev->heap_ids);
+ dev->heap_cnt--;
up_write(&dev->lock);
}
-EXPORT_SYMBOL(ion_device_add_heap);
+EXPORT_SYMBOL_GPL(ion_device_remove_heap);
+
+static ssize_t
+total_heaps_kb_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%llu\n",
+ div_u64(ion_get_total_heap_bytes(), 1024));
+}
+
+static ssize_t
+total_pools_kb_show(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ struct ion_device *dev = internal_dev;
+ struct ion_heap *heap;
+ u64 total_pages = 0;
+
+ down_read(&dev->lock);
+ plist_for_each_entry(heap, &dev->heaps, node)
+ if (heap->ops->get_pool_size)
+ total_pages += heap->ops->get_pool_size(heap);
+ up_read(&dev->lock);
+
+ return sprintf(buf, "%llu\n", total_pages * (PAGE_SIZE / 1024));
+}
+
+static struct kobj_attribute total_heaps_kb_attr =
+ __ATTR_RO(total_heaps_kb);
+
+static struct kobj_attribute total_pools_kb_attr =
+ __ATTR_RO(total_pools_kb);
+
+static struct attribute *ion_device_attrs[] = {
+ &total_heaps_kb_attr.attr,
+ &total_pools_kb_attr.attr,
+ NULL,
+};
+
+ATTRIBUTE_GROUPS(ion_device);
+
+static int ion_init_sysfs(void)
+{
+ struct kobject *ion_kobj;
+ int ret;
+
+ ion_kobj = kobject_create_and_add("ion", kernel_kobj);
+ if (!ion_kobj)
+ return -ENOMEM;
+
+ ret = sysfs_create_groups(ion_kobj, ion_device_groups);
+ if (ret) {
+ kobject_put(ion_kobj);
+ return ret;
+ }
+
+ return 0;
+}
static int ion_device_create(void)
{
@@ -636,8 +495,13 @@ static int ion_device_create(void)
ret = misc_register(&idev->dev);
if (ret) {
pr_err("ion: failed to register misc device.\n");
- kfree(idev);
- return ret;
+ goto err_reg;
+ }
+
+ ret = ion_init_sysfs();
+ if (ret) {
+ pr_err("ion: failed to add sysfs attributes.\n");
+ goto err_sysfs;
}
idev->debug_root = debugfs_create_dir("ion", NULL);
@@ -645,5 +509,11 @@ static int ion_device_create(void)
plist_head_init(&idev->heaps);
internal_dev = idev;
return 0;
+
+err_sysfs:
+ misc_deregister(&idev->dev);
+err_reg:
+ kfree(idev);
+ return ret;
}
subsys_initcall(ion_device_create);
diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h
deleted file mode 100644
index c199e88..0000000
--- a/drivers/staging/android/ion/ion.h
+++ /dev/null
@@ -1,302 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * ION Memory Allocator kernel interface header
- *
- * Copyright (C) 2011 Google, Inc.
- */
-
-#ifndef _ION_H
-#define _ION_H
-
-#include <linux/device.h>
-#include <linux/dma-direction.h>
-#include <linux/kref.h>
-#include <linux/mm_types.h>
-#include <linux/mutex.h>
-#include <linux/rbtree.h>
-#include <linux/sched.h>
-#include <linux/shrinker.h>
-#include <linux/types.h>
-#include <linux/miscdevice.h>
-
-#include "../uapi/ion.h"
-
-/**
- * struct ion_buffer - metadata for a particular buffer
- * @list: element in list of deferred freeable buffers
- * @dev: back pointer to the ion_device
- * @heap: back pointer to the heap the buffer came from
- * @flags: buffer specific flags
- * @private_flags: internal buffer specific flags
- * @size: size of the buffer
- * @priv_virt: private data to the buffer representable as
- * a void *
- * @lock: protects the buffers cnt fields
- * @kmap_cnt: number of times the buffer is mapped to the kernel
- * @vaddr: the kernel mapping if kmap_cnt is not zero
- * @sg_table: the sg table for the buffer
- * @attachments: list of devices attached to this buffer
- */
-struct ion_buffer {
- struct list_head list;
- struct ion_device *dev;
- struct ion_heap *heap;
- unsigned long flags;
- unsigned long private_flags;
- size_t size;
- void *priv_virt;
- struct mutex lock;
- int kmap_cnt;
- void *vaddr;
- struct sg_table *sg_table;
- struct list_head attachments;
-};
-
-void ion_buffer_destroy(struct ion_buffer *buffer);
-
-/**
- * struct ion_device - the metadata of the ion device node
- * @dev: the actual misc device
- * @lock: rwsem protecting the tree of heaps and clients
- */
-struct ion_device {
- struct miscdevice dev;
- struct rw_semaphore lock;
- struct plist_head heaps;
- struct dentry *debug_root;
- int heap_cnt;
-};
-
-/**
- * struct ion_heap_ops - ops to operate on a given heap
- * @allocate: allocate memory
- * @free: free memory
- * @map_kernel map memory to the kernel
- * @unmap_kernel unmap memory to the kernel
- * @map_user map memory to userspace
- *
- * allocate, phys, and map_user return 0 on success, -errno on error.
- * map_dma and map_kernel return pointer on success, ERR_PTR on
- * error. @free will be called with ION_PRIV_FLAG_SHRINKER_FREE set in
- * the buffer's private_flags when called from a shrinker. In that
- * case, the pages being free'd must be truly free'd back to the
- * system, not put in a page pool or otherwise cached.
- */
-struct ion_heap_ops {
- int (*allocate)(struct ion_heap *heap,
- struct ion_buffer *buffer, unsigned long len,
- unsigned long flags);
- void (*free)(struct ion_buffer *buffer);
- void * (*map_kernel)(struct ion_heap *heap, struct ion_buffer *buffer);
- void (*unmap_kernel)(struct ion_heap *heap, struct ion_buffer *buffer);
- int (*map_user)(struct ion_heap *mapper, struct ion_buffer *buffer,
- struct vm_area_struct *vma);
- int (*shrink)(struct ion_heap *heap, gfp_t gfp_mask, int nr_to_scan);
-};
-
-/**
- * heap flags - flags between the heaps and core ion code
- */
-#define ION_HEAP_FLAG_DEFER_FREE BIT(0)
-
-/**
- * private flags - flags internal to ion
- */
-/*
- * Buffer is being freed from a shrinker function. Skip any possible
- * heap-specific caching mechanism (e.g. page pools). Guarantees that
- * any buffer storage that came from the system allocator will be
- * returned to the system allocator.
- */
-#define ION_PRIV_FLAG_SHRINKER_FREE BIT(0)
-
-/**
- * struct ion_heap - represents a heap in the system
- * @node: rb node to put the heap on the device's tree of heaps
- * @dev: back pointer to the ion_device
- * @type: type of heap
- * @ops: ops struct as above
- * @flags: flags
- * @id: id of heap, also indicates priority of this heap when
- * allocating. These are specified by platform data and
- * MUST be unique
- * @name: used for debugging
- * @shrinker: a shrinker for the heap
- * @free_list: free list head if deferred free is used
- * @free_list_size size of the deferred free list in bytes
- * @lock: protects the free list
- * @waitqueue: queue to wait on from deferred free thread
- * @task: task struct of deferred free thread
- * @num_of_buffers the number of currently allocated buffers
- * @num_of_alloc_bytes the number of allocated bytes
- * @alloc_bytes_wm the number of allocated bytes watermark
- *
- * Represents a pool of memory from which buffers can be made. In some
- * systems the only heap is regular system memory allocated via vmalloc.
- * On others, some blocks might require large physically contiguous buffers
- * that are allocated from a specially reserved heap.
- */
-struct ion_heap {
- struct plist_node node;
- struct ion_device *dev;
- enum ion_heap_type type;
- struct ion_heap_ops *ops;
- unsigned long flags;
- unsigned int id;
- const char *name;
-
- /* deferred free support */
- struct shrinker shrinker;
- struct list_head free_list;
- size_t free_list_size;
- spinlock_t free_lock;
- wait_queue_head_t waitqueue;
- struct task_struct *task;
-
- /* heap statistics */
- u64 num_of_buffers;
- u64 num_of_alloc_bytes;
- u64 alloc_bytes_wm;
-
- /* protect heap statistics */
- spinlock_t stat_lock;
-};
-
-/**
- * ion_device_add_heap - adds a heap to the ion device
- * @heap: the heap to add
- */
-void ion_device_add_heap(struct ion_heap *heap);
-
-/**
- * some helpers for common operations on buffers using the sg_table
- * and vaddr fields
- */
-void *ion_heap_map_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
-void ion_heap_unmap_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
-int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
- struct vm_area_struct *vma);
-int ion_heap_buffer_zero(struct ion_buffer *buffer);
-
-/**
- * ion_heap_init_shrinker
- * @heap: the heap
- *
- * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag or defines the shrink op
- * this function will be called to setup a shrinker to shrink the freelists
- * and call the heap's shrink op.
- */
-int ion_heap_init_shrinker(struct ion_heap *heap);
-
-/**
- * ion_heap_init_deferred_free -- initialize deferred free functionality
- * @heap: the heap
- *
- * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag this function will
- * be called to setup deferred frees. Calls to free the buffer will
- * return immediately and the actual free will occur some time later
- */
-int ion_heap_init_deferred_free(struct ion_heap *heap);
-
-/**
- * ion_heap_freelist_add - add a buffer to the deferred free list
- * @heap: the heap
- * @buffer: the buffer
- *
- * Adds an item to the deferred freelist.
- */
-void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer);
-
-/**
- * ion_heap_freelist_drain - drain the deferred free list
- * @heap: the heap
- * @size: amount of memory to drain in bytes
- *
- * Drains the indicated amount of memory from the deferred freelist immediately.
- * Returns the total amount freed. The total freed may be higher depending
- * on the size of the items in the list, or lower if there is insufficient
- * total memory on the freelist.
- */
-size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size);
-
-/**
- * ion_heap_freelist_shrink - drain the deferred free
- * list, skipping any heap-specific
- * pooling or caching mechanisms
- *
- * @heap: the heap
- * @size: amount of memory to drain in bytes
- *
- * Drains the indicated amount of memory from the deferred freelist immediately.
- * Returns the total amount freed. The total freed may be higher depending
- * on the size of the items in the list, or lower if there is insufficient
- * total memory on the freelist.
- *
- * Unlike with @ion_heap_freelist_drain, don't put any pages back into
- * page pools or otherwise cache the pages. Everything must be
- * genuinely free'd back to the system. If you're free'ing from a
- * shrinker you probably want to use this. Note that this relies on
- * the heap.ops.free callback honoring the ION_PRIV_FLAG_SHRINKER_FREE
- * flag.
- */
-size_t ion_heap_freelist_shrink(struct ion_heap *heap,
- size_t size);
-
-/**
- * ion_heap_freelist_size - returns the size of the freelist in bytes
- * @heap: the heap
- */
-size_t ion_heap_freelist_size(struct ion_heap *heap);
-
-/**
- * functions for creating and destroying a heap pool -- allows you
- * to keep a pool of pre allocated memory to use from your heap. Keeping
- * a pool of memory that is ready for dma, ie any cached mapping have been
- * invalidated from the cache, provides a significant performance benefit on
- * many systems
- */
-
-/**
- * struct ion_page_pool - pagepool struct
- * @high_count: number of highmem items in the pool
- * @low_count: number of lowmem items in the pool
- * @high_items: list of highmem items
- * @low_items: list of lowmem items
- * @mutex: lock protecting this struct and especially the count
- * item list
- * @gfp_mask: gfp_mask to use from alloc
- * @order: order of pages in the pool
- * @list: plist node for list of pools
- *
- * Allows you to keep a pool of pre allocated pages to use from your heap.
- * Keeping a pool of pages that is ready for dma, ie any cached mapping have
- * been invalidated from the cache, provides a significant performance benefit
- * on many systems
- */
-struct ion_page_pool {
- int high_count;
- int low_count;
- struct list_head high_items;
- struct list_head low_items;
- struct mutex mutex;
- gfp_t gfp_mask;
- unsigned int order;
- struct plist_node list;
-};
-
-struct ion_page_pool *ion_page_pool_create(gfp_t gfp_mask, unsigned int order);
-void ion_page_pool_destroy(struct ion_page_pool *pool);
-struct page *ion_page_pool_alloc(struct ion_page_pool *pool);
-void ion_page_pool_free(struct ion_page_pool *pool, struct page *page);
-
-/** ion_page_pool_shrink - shrinks the size of the memory cached in the pool
- * @pool: the pool
- * @gfp_mask: the memory type to reclaim
- * @nr_to_scan: number of items to shrink in pages
- *
- * returns the number of items freed in pages
- */
-int ion_page_pool_shrink(struct ion_page_pool *pool, gfp_t gfp_mask,
- int nr_to_scan);
-
-#endif /* _ION_H */
diff --git a/drivers/staging/android/ion/ion_buffer.c b/drivers/staging/android/ion/ion_buffer.c
new file mode 100644
index 0000000..9baca1a
--- /dev/null
+++ b/drivers/staging/android/ion/ion_buffer.c
@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ION Memory Allocator - buffer interface
+ *
+ * Copyright (c) 2019, Google, Inc.
+ */
+
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/dma-map-ops.h>
+
+#define CREATE_TRACE_POINTS
+#include "ion_trace.h"
+#include "ion_private.h"
+
+static atomic_long_t total_heap_bytes;
+
+static void track_buffer_created(struct ion_buffer *buffer)
+{
+ long total = atomic_long_add_return(buffer->size, &total_heap_bytes);
+
+ trace_ion_stat(buffer->sg_table, buffer->size, total);
+}
+
+static void track_buffer_destroyed(struct ion_buffer *buffer)
+{
+ long total = atomic_long_sub_return(buffer->size, &total_heap_bytes);
+
+ trace_ion_stat(buffer->sg_table, -buffer->size, total);
+}
+
+/* this function should only be called while dev->lock is held */
+static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
+ struct ion_device *dev,
+ unsigned long len,
+ unsigned long flags)
+{
+ struct ion_buffer *buffer;
+ int ret;
+
+ buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
+ if (!buffer)
+ return ERR_PTR(-ENOMEM);
+
+ buffer->heap = heap;
+ buffer->flags = flags;
+ buffer->size = len;
+
+ ret = heap->ops->allocate(heap, buffer, len, flags);
+
+ if (ret) {
+ if (!(heap->flags & ION_HEAP_FLAG_DEFER_FREE))
+ goto err2;
+
+ ion_heap_freelist_drain(heap, 0);
+ ret = heap->ops->allocate(heap, buffer, len, flags);
+ if (ret)
+ goto err2;
+ }
+
+ if (!buffer->sg_table) {
+ WARN_ONCE(1, "This heap needs to set the sgtable");
+ ret = -EINVAL;
+ goto err1;
+ }
+
+ spin_lock(&heap->stat_lock);
+ heap->num_of_buffers++;
+ heap->num_of_alloc_bytes += len;
+ if (heap->num_of_alloc_bytes > heap->alloc_bytes_wm)
+ heap->alloc_bytes_wm = heap->num_of_alloc_bytes;
+ if (heap->num_of_buffers == 1) {
+ /* This module reference lasts as long as at least one
+ * buffer is allocated from the heap. We are protected
+ * against ion_device_remove_heap() with dev->lock, so we can
+ * safely assume the module reference is going to* succeed.
+ */
+ __module_get(heap->owner);
+ }
+ spin_unlock(&heap->stat_lock);
+
+ INIT_LIST_HEAD(&buffer->attachments);
+ mutex_init(&buffer->lock);
+ track_buffer_created(buffer);
+ return buffer;
+
+err1:
+ heap->ops->free(buffer);
+err2:
+ kfree(buffer);
+ return ERR_PTR(ret);
+}
+
+static int ion_clear_pages(struct page **pages, int num, pgprot_t pgprot)
+{
+ void *addr = vmap(pages, num, VM_MAP, pgprot);
+
+ if (!addr)
+ return -ENOMEM;
+ memset(addr, 0, PAGE_SIZE * num);
+ vunmap(addr);
+
+ return 0;
+}
+
+static int ion_sglist_zero(struct scatterlist *sgl, unsigned int nents,
+ pgprot_t pgprot)
+{
+ int p = 0;
+ int ret = 0;
+ struct sg_page_iter piter;
+ struct page *pages[32];
+
+ for_each_sg_page(sgl, &piter, nents, 0) {
+ pages[p++] = sg_page_iter_page(&piter);
+ if (p == ARRAY_SIZE(pages)) {
+ ret = ion_clear_pages(pages, p, pgprot);
+ if (ret)
+ return ret;
+ p = 0;
+ }
+ }
+ if (p)
+ ret = ion_clear_pages(pages, p, pgprot);
+
+ return ret;
+}
+
+struct ion_buffer *ion_buffer_alloc(struct ion_device *dev, size_t len,
+ unsigned int heap_id_mask,
+ unsigned int flags)
+{
+ struct ion_buffer *buffer = NULL;
+ struct ion_heap *heap;
+
+ if (!dev || !len) {
+ return ERR_PTR(-EINVAL);
+ }
+
+ /*
+ * traverse the list of heaps available in this system in priority
+ * order. If the heap type is supported by the client, and matches the
+ * request of the caller allocate from it. Repeat until allocate has
+ * succeeded or all heaps have been tried
+ */
+ len = PAGE_ALIGN(len);
+ if (!len)
+ return ERR_PTR(-EINVAL);
+
+ down_read(&dev->lock);
+ plist_for_each_entry(heap, &dev->heaps, node) {
+ /* if the caller didn't specify this heap id */
+ if (!((1 << heap->id) & heap_id_mask))
+ continue;
+ buffer = ion_buffer_create(heap, dev, len, flags);
+ if (!IS_ERR(buffer))
+ break;
+ }
+ up_read(&dev->lock);
+
+ if (!buffer)
+ return ERR_PTR(-ENODEV);
+
+ if (IS_ERR(buffer))
+ return ERR_CAST(buffer);
+
+ return buffer;
+}
+
+int ion_buffer_zero(struct ion_buffer *buffer)
+{
+ struct sg_table *table;
+ pgprot_t pgprot;
+
+ if (!buffer)
+ return -EINVAL;
+
+ table = buffer->sg_table;
+ if (buffer->flags & ION_FLAG_CACHED)
+ pgprot = PAGE_KERNEL;
+ else
+ pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+ return ion_sglist_zero(table->sgl, table->nents, pgprot);
+}
+EXPORT_SYMBOL_GPL(ion_buffer_zero);
+
+void ion_buffer_prep_noncached(struct ion_buffer *buffer)
+{
+ struct scatterlist *sg;
+ struct sg_table *table;
+ int i;
+
+ if (WARN_ONCE(!buffer || !buffer->sg_table,
+ "%s needs a buffer and a sg_table", __func__) ||
+ buffer->flags & ION_FLAG_CACHED)
+ return;
+
+ table = buffer->sg_table;
+
+ for_each_sg(table->sgl, sg, table->orig_nents, i)
+ arch_dma_prep_coherent(sg_page(sg), sg->length);
+}
+EXPORT_SYMBOL_GPL(ion_buffer_prep_noncached);
+
+void ion_buffer_release(struct ion_buffer *buffer)
+{
+ if (buffer->kmap_cnt > 0) {
+ pr_warn_once("%s: buffer still mapped in the kernel\n",
+ __func__);
+ ion_heap_unmap_kernel(buffer->heap, buffer);
+ }
+ buffer->heap->ops->free(buffer);
+ spin_lock(&buffer->heap->stat_lock);
+ buffer->heap->num_of_buffers--;
+ buffer->heap->num_of_alloc_bytes -= buffer->size;
+ if (buffer->heap->num_of_buffers == 0)
+ module_put(buffer->heap->owner);
+ spin_unlock(&buffer->heap->stat_lock);
+ /* drop reference to the heap module */
+
+ kfree(buffer);
+}
+
+int ion_buffer_destroy(struct ion_device *dev, struct ion_buffer *buffer)
+{
+ struct ion_heap *heap;
+
+ if (!dev || !buffer) {
+ pr_warn("%s: invalid argument\n", __func__);
+ return -EINVAL;
+ }
+
+ heap = buffer->heap;
+ track_buffer_destroyed(buffer);
+
+ if (heap->flags & ION_HEAP_FLAG_DEFER_FREE)
+ ion_heap_freelist_add(heap, buffer);
+ else
+ ion_buffer_release(buffer);
+
+ return 0;
+}
+
+void *ion_buffer_kmap_get(struct ion_buffer *buffer)
+{
+ void *vaddr;
+
+ if (buffer->kmap_cnt) {
+ buffer->kmap_cnt++;
+ return buffer->vaddr;
+ }
+ vaddr = ion_heap_map_kernel(buffer->heap, buffer);
+ if (WARN_ONCE(!vaddr,
+ "heap->ops->map_kernel should return ERR_PTR on error"))
+ return ERR_PTR(-EINVAL);
+ if (IS_ERR(vaddr))
+ return vaddr;
+ buffer->vaddr = vaddr;
+ buffer->kmap_cnt++;
+ return vaddr;
+}
+
+void ion_buffer_kmap_put(struct ion_buffer *buffer)
+{
+ buffer->kmap_cnt--;
+ if (!buffer->kmap_cnt) {
+ ion_heap_unmap_kernel(buffer->heap, buffer);
+ buffer->vaddr = NULL;
+ }
+}
+
+u64 ion_get_total_heap_bytes(void)
+{
+ return atomic_long_read(&total_heap_bytes);
+}
diff --git a/drivers/staging/android/ion/ion_dma_buf.c b/drivers/staging/android/ion/ion_dma_buf.c
new file mode 100644
index 0000000..47ae54a
--- /dev/null
+++ b/drivers/staging/android/ion/ion_dma_buf.c
@@ -0,0 +1,359 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ION Memory Allocator - dmabuf interface
+ *
+ * Copyright (c) 2019, Google, Inc.
+ */
+
+#include <linux/device.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+
+#include "ion_private.h"
+
+static struct sg_table *dup_sg_table(struct sg_table *table)
+{
+ struct sg_table *new_table;
+ int ret, i;
+ struct scatterlist *sg, *new_sg;
+
+ new_table = kzalloc(sizeof(*new_table), GFP_KERNEL);
+ if (!new_table)
+ return ERR_PTR(-ENOMEM);
+
+ ret = sg_alloc_table(new_table, table->nents, GFP_KERNEL);
+ if (ret) {
+ kfree(new_table);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ new_sg = new_table->sgl;
+ for_each_sg(table->sgl, sg, table->nents, i) {
+ memcpy(new_sg, sg, sizeof(*sg));
+ new_sg->dma_address = 0;
+ new_sg = sg_next(new_sg);
+ }
+
+ return new_table;
+}
+
+static void free_duped_table(struct sg_table *table)
+{
+ sg_free_table(table);
+ kfree(table);
+}
+
+static int ion_dma_buf_attach(struct dma_buf *dmabuf,
+ struct dma_buf_attachment *attachment)
+{
+ struct ion_dma_buf_attachment *a;
+ struct sg_table *table;
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+
+ if (heap->buf_ops.attach)
+ return heap->buf_ops.attach(dmabuf, attachment);
+
+ a = kzalloc(sizeof(*a), GFP_KERNEL);
+ if (!a)
+ return -ENOMEM;
+
+ table = dup_sg_table(buffer->sg_table);
+ if (IS_ERR(table)) {
+ kfree(a);
+ return -ENOMEM;
+ }
+
+ a->table = table;
+ a->dev = attachment->dev;
+ INIT_LIST_HEAD(&a->list);
+ a->mapped = false;
+
+ attachment->priv = a;
+
+ mutex_lock(&buffer->lock);
+ list_add(&a->list, &buffer->attachments);
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static void ion_dma_buf_detatch(struct dma_buf *dmabuf,
+ struct dma_buf_attachment *attachment)
+{
+ struct ion_dma_buf_attachment *a = attachment->priv;
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+
+ if (heap->buf_ops.detach)
+ return heap->buf_ops.detach(dmabuf, attachment);
+
+ mutex_lock(&buffer->lock);
+ list_del(&a->list);
+ mutex_unlock(&buffer->lock);
+ free_duped_table(a->table);
+
+ kfree(a);
+}
+
+static struct sg_table *ion_map_dma_buf(struct dma_buf_attachment *attachment,
+ enum dma_data_direction direction)
+{
+ struct ion_buffer *buffer = attachment->dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+ struct ion_dma_buf_attachment *a;
+ struct sg_table *table;
+ unsigned long attrs = attachment->dma_map_attrs;
+
+ if (heap->buf_ops.map_dma_buf)
+ return heap->buf_ops.map_dma_buf(attachment, direction);
+
+ a = attachment->priv;
+ table = a->table;
+
+ if (!(buffer->flags & ION_FLAG_CACHED))
+ attrs |= DMA_ATTR_SKIP_CPU_SYNC;
+
+ if (!dma_map_sg_attrs(attachment->dev, table->sgl, table->nents,
+ direction, attrs))
+ return ERR_PTR(-ENOMEM);
+
+ a->mapped = true;
+
+ return table;
+}
+
+static void ion_unmap_dma_buf(struct dma_buf_attachment *attachment,
+ struct sg_table *table,
+ enum dma_data_direction direction)
+{
+ struct ion_buffer *buffer = attachment->dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+ struct ion_dma_buf_attachment *a = attachment->priv;
+ unsigned long attrs = attachment->dma_map_attrs;
+
+ if (heap->buf_ops.unmap_dma_buf)
+ return heap->buf_ops.unmap_dma_buf(attachment, table,
+ direction);
+
+ a->mapped = false;
+
+ if (!(buffer->flags & ION_FLAG_CACHED))
+ attrs |= DMA_ATTR_SKIP_CPU_SYNC;
+
+ dma_unmap_sg_attrs(attachment->dev, table->sgl, table->nents,
+ direction, attrs);
+}
+
+static void ion_dma_buf_release(struct dma_buf *dmabuf)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+
+ if (heap->buf_ops.release)
+ return heap->buf_ops.release(dmabuf);
+
+ ion_free(buffer);
+}
+
+static int ion_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
+ enum dma_data_direction direction)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+ struct ion_dma_buf_attachment *a;
+
+ if (heap->buf_ops.begin_cpu_access)
+ return heap->buf_ops.begin_cpu_access(dmabuf, direction);
+
+ mutex_lock(&buffer->lock);
+ if (!(buffer->flags & ION_FLAG_CACHED))
+ goto unlock;
+
+ list_for_each_entry(a, &buffer->attachments, list) {
+ if (!a->mapped)
+ continue;
+ dma_sync_sg_for_cpu(a->dev, a->table->sgl, a->table->nents,
+ direction);
+ }
+
+unlock:
+ mutex_unlock(&buffer->lock);
+ return 0;
+}
+
+static int
+ion_dma_buf_begin_cpu_access_partial(struct dma_buf *dmabuf,
+ enum dma_data_direction direction,
+ unsigned int offset, unsigned int len)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+
+ /* This is done to make sure partial buffer cache flush / invalidate is
+ * allowed. The implementation may be vendor specific in this case, so
+ * ion core does not provide a default implementation
+ */
+ if (!heap->buf_ops.begin_cpu_access_partial)
+ return -EOPNOTSUPP;
+
+ return heap->buf_ops.begin_cpu_access_partial(dmabuf, direction, offset,
+ len);
+}
+
+static int ion_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
+ enum dma_data_direction direction)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+ struct ion_dma_buf_attachment *a;
+
+ if (heap->buf_ops.end_cpu_access)
+ return heap->buf_ops.end_cpu_access(dmabuf, direction);
+
+ mutex_lock(&buffer->lock);
+ if (!(buffer->flags & ION_FLAG_CACHED))
+ goto unlock;
+
+ list_for_each_entry(a, &buffer->attachments, list) {
+ if (!a->mapped)
+ continue;
+ dma_sync_sg_for_device(a->dev, a->table->sgl, a->table->nents,
+ direction);
+ }
+unlock:
+ mutex_unlock(&buffer->lock);
+
+ return 0;
+}
+
+static int ion_dma_buf_end_cpu_access_partial(struct dma_buf *dmabuf,
+ enum dma_data_direction direction,
+ unsigned int offset,
+ unsigned int len)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+
+ /* This is done to make sure partial buffer cache flush / invalidate is
+ * allowed. The implementation may be vendor specific in this case, so
+ * ion core does not provide a default implementation
+ */
+ if (!heap->buf_ops.end_cpu_access_partial)
+ return -EOPNOTSUPP;
+
+ return heap->buf_ops.end_cpu_access_partial(dmabuf, direction, offset,
+ len);
+}
+
+static int ion_dma_buf_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+ int ret;
+
+ /* now map it to userspace */
+ if (heap->buf_ops.mmap) {
+ ret = heap->buf_ops.mmap(dmabuf, vma);
+ } else {
+ mutex_lock(&buffer->lock);
+ if (!(buffer->flags & ION_FLAG_CACHED))
+ vma->vm_page_prot =
+ pgprot_writecombine(vma->vm_page_prot);
+
+ ret = ion_heap_map_user(heap, buffer, vma);
+ mutex_unlock(&buffer->lock);
+ }
+
+ if (ret)
+ pr_err("%s: failure mapping buffer to userspace\n", __func__);
+
+ return ret;
+}
+
+static void *ion_dma_buf_vmap(struct dma_buf *dmabuf)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+ void *vaddr;
+
+ if (heap->buf_ops.vmap)
+ return heap->buf_ops.vmap(dmabuf);
+
+ mutex_lock(&buffer->lock);
+ vaddr = ion_buffer_kmap_get(buffer);
+ mutex_unlock(&buffer->lock);
+
+ return vaddr;
+}
+
+static void ion_dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+
+ if (heap->buf_ops.vunmap) {
+ heap->buf_ops.vunmap(dmabuf, vaddr);
+ return;
+ }
+
+ mutex_lock(&buffer->lock);
+ ion_buffer_kmap_put(buffer);
+ mutex_unlock(&buffer->lock);
+}
+
+static int ion_dma_buf_get_flags(struct dma_buf *dmabuf, unsigned long *flags)
+{
+ struct ion_buffer *buffer = dmabuf->priv;
+ struct ion_heap *heap = buffer->heap;
+
+ if (!heap->buf_ops.get_flags)
+ return -EOPNOTSUPP;
+
+ return heap->buf_ops.get_flags(dmabuf, flags);
+}
+
+static const struct dma_buf_ops dma_buf_ops = {
+ .attach = ion_dma_buf_attach,
+ .detach = ion_dma_buf_detatch,
+ .map_dma_buf = ion_map_dma_buf,
+ .unmap_dma_buf = ion_unmap_dma_buf,
+ .release = ion_dma_buf_release,
+ .begin_cpu_access = ion_dma_buf_begin_cpu_access,
+ .begin_cpu_access_partial = ion_dma_buf_begin_cpu_access_partial,
+ .end_cpu_access = ion_dma_buf_end_cpu_access,
+ .end_cpu_access_partial = ion_dma_buf_end_cpu_access_partial,
+ .mmap = ion_dma_buf_mmap,
+ .vmap = ion_dma_buf_vmap,
+ .vunmap = ion_dma_buf_vunmap,
+ .get_flags = ion_dma_buf_get_flags,
+};
+
+struct dma_buf *ion_dmabuf_alloc(struct ion_device *dev, size_t len,
+ unsigned int heap_id_mask,
+ unsigned int flags)
+{
+ struct ion_buffer *buffer;
+ DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+ struct dma_buf *dmabuf;
+
+ pr_debug("%s: len %zu heap_id_mask %u flags %x\n", __func__,
+ len, heap_id_mask, flags);
+
+ buffer = ion_buffer_alloc(dev, len, heap_id_mask, flags);
+ if (IS_ERR(buffer))
+ return ERR_CAST(buffer);
+
+ exp_info.ops = &dma_buf_ops;
+ exp_info.size = buffer->size;
+ exp_info.flags = O_RDWR;
+ exp_info.priv = buffer;
+
+ dmabuf = dma_buf_export(&exp_info);
+ if (IS_ERR(dmabuf))
+ ion_buffer_destroy(dev, buffer);
+
+ return dmabuf;
+}
diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
index ea7e0a2..aa29a4e 100644
--- a/drivers/staging/android/ion/ion_heap.c
+++ b/drivers/staging/android/ion/ion_heap.c
@@ -15,221 +15,7 @@
#include <linux/scatterlist.h>
#include <linux/vmalloc.h>
-#include "ion.h"
-
-void *ion_heap_map_kernel(struct ion_heap *heap,
- struct ion_buffer *buffer)
-{
- struct sg_page_iter piter;
- void *vaddr;
- pgprot_t pgprot;
- struct sg_table *table = buffer->sg_table;
- int npages = PAGE_ALIGN(buffer->size) / PAGE_SIZE;
- struct page **pages = vmalloc(array_size(npages,
- sizeof(struct page *)));
- struct page **tmp = pages;
-
- if (!pages)
- return ERR_PTR(-ENOMEM);
-
- if (buffer->flags & ION_FLAG_CACHED)
- pgprot = PAGE_KERNEL;
- else
- pgprot = pgprot_writecombine(PAGE_KERNEL);
-
- for_each_sgtable_page(table, &piter, 0) {
- BUG_ON(tmp - pages >= npages);
- *tmp++ = sg_page_iter_page(&piter);
- }
-
- vaddr = vmap(pages, npages, VM_MAP, pgprot);
- vfree(pages);
-
- if (!vaddr)
- return ERR_PTR(-ENOMEM);
-
- return vaddr;
-}
-
-void ion_heap_unmap_kernel(struct ion_heap *heap,
- struct ion_buffer *buffer)
-{
- vunmap(buffer->vaddr);
-}
-
-int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
- struct vm_area_struct *vma)
-{
- struct sg_page_iter piter;
- struct sg_table *table = buffer->sg_table;
- unsigned long addr = vma->vm_start;
- int ret;
-
- for_each_sgtable_page(table, &piter, vma->vm_pgoff) {
- struct page *page = sg_page_iter_page(&piter);
-
- ret = remap_pfn_range(vma, addr, page_to_pfn(page), PAGE_SIZE,
- vma->vm_page_prot);
- if (ret)
- return ret;
- addr += PAGE_SIZE;
- if (addr >= vma->vm_end)
- return 0;
- }
-
- return 0;
-}
-
-static int ion_heap_clear_pages(struct page **pages, int num, pgprot_t pgprot)
-{
- void *addr = vmap(pages, num, VM_MAP, pgprot);
-
- if (!addr)
- return -ENOMEM;
- memset(addr, 0, PAGE_SIZE * num);
- vunmap(addr);
-
- return 0;
-}
-
-static int ion_heap_sglist_zero(struct sg_table *sgt, pgprot_t pgprot)
-{
- int p = 0;
- int ret = 0;
- struct sg_page_iter piter;
- struct page *pages[32];
-
- for_each_sgtable_page(sgt, &piter, 0) {
- pages[p++] = sg_page_iter_page(&piter);
- if (p == ARRAY_SIZE(pages)) {
- ret = ion_heap_clear_pages(pages, p, pgprot);
- if (ret)
- return ret;
- p = 0;
- }
- }
- if (p)
- ret = ion_heap_clear_pages(pages, p, pgprot);
-
- return ret;
-}
-
-int ion_heap_buffer_zero(struct ion_buffer *buffer)
-{
- struct sg_table *table = buffer->sg_table;
- pgprot_t pgprot;
-
- if (buffer->flags & ION_FLAG_CACHED)
- pgprot = PAGE_KERNEL;
- else
- pgprot = pgprot_writecombine(PAGE_KERNEL);
-
- return ion_heap_sglist_zero(table, pgprot);
-}
-
-void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer)
-{
- spin_lock(&heap->free_lock);
- list_add(&buffer->list, &heap->free_list);
- heap->free_list_size += buffer->size;
- spin_unlock(&heap->free_lock);
- wake_up(&heap->waitqueue);
-}
-
-size_t ion_heap_freelist_size(struct ion_heap *heap)
-{
- size_t size;
-
- spin_lock(&heap->free_lock);
- size = heap->free_list_size;
- spin_unlock(&heap->free_lock);
-
- return size;
-}
-
-static size_t _ion_heap_freelist_drain(struct ion_heap *heap, size_t size,
- bool skip_pools)
-{
- struct ion_buffer *buffer;
- size_t total_drained = 0;
-
- if (ion_heap_freelist_size(heap) == 0)
- return 0;
-
- spin_lock(&heap->free_lock);
- if (size == 0)
- size = heap->free_list_size;
-
- while (!list_empty(&heap->free_list)) {
- if (total_drained >= size)
- break;
- buffer = list_first_entry(&heap->free_list, struct ion_buffer,
- list);
- list_del(&buffer->list);
- heap->free_list_size -= buffer->size;
- if (skip_pools)
- buffer->private_flags |= ION_PRIV_FLAG_SHRINKER_FREE;
- total_drained += buffer->size;
- spin_unlock(&heap->free_lock);
- ion_buffer_destroy(buffer);
- spin_lock(&heap->free_lock);
- }
- spin_unlock(&heap->free_lock);
-
- return total_drained;
-}
-
-size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size)
-{
- return _ion_heap_freelist_drain(heap, size, false);
-}
-
-size_t ion_heap_freelist_shrink(struct ion_heap *heap, size_t size)
-{
- return _ion_heap_freelist_drain(heap, size, true);
-}
-
-static int ion_heap_deferred_free(void *data)
-{
- struct ion_heap *heap = data;
-
- while (true) {
- struct ion_buffer *buffer;
-
- wait_event_freezable(heap->waitqueue,
- ion_heap_freelist_size(heap) > 0);
-
- spin_lock(&heap->free_lock);
- if (list_empty(&heap->free_list)) {
- spin_unlock(&heap->free_lock);
- continue;
- }
- buffer = list_first_entry(&heap->free_list, struct ion_buffer,
- list);
- list_del(&buffer->list);
- heap->free_list_size -= buffer->size;
- spin_unlock(&heap->free_lock);
- ion_buffer_destroy(buffer);
- }
-
- return 0;
-}
-
-int ion_heap_init_deferred_free(struct ion_heap *heap)
-{
- INIT_LIST_HEAD(&heap->free_list);
- init_waitqueue_head(&heap->waitqueue);
- heap->task = kthread_run(ion_heap_deferred_free, heap,
- "%s", heap->name);
- if (IS_ERR(heap->task)) {
- pr_err("%s: creating thread for deferred free failed\n",
- __func__);
- return PTR_ERR_OR_ZERO(heap->task);
- }
- sched_set_normal(heap->task, 19);
-
- return 0;
-}
+#include "ion_private.h"
static unsigned long ion_heap_shrink_count(struct shrinker *shrinker,
struct shrink_control *sc)
@@ -275,6 +61,196 @@ static unsigned long ion_heap_shrink_scan(struct shrinker *shrinker,
return freed;
}
+static size_t _ion_heap_freelist_drain(struct ion_heap *heap, size_t size,
+ bool skip_pools)
+{
+ struct ion_buffer *buffer;
+ size_t total_drained = 0;
+
+ if (ion_heap_freelist_size(heap) == 0)
+ return 0;
+
+ spin_lock(&heap->free_lock);
+ if (size == 0)
+ size = heap->free_list_size;
+
+ while (!list_empty(&heap->free_list)) {
+ if (total_drained >= size)
+ break;
+ buffer = list_first_entry(&heap->free_list, struct ion_buffer,
+ list);
+ list_del(&buffer->list);
+ heap->free_list_size -= buffer->size;
+ if (skip_pools)
+ buffer->private_flags |= ION_PRIV_FLAG_SHRINKER_FREE;
+ total_drained += buffer->size;
+ spin_unlock(&heap->free_lock);
+ ion_buffer_release(buffer);
+ spin_lock(&heap->free_lock);
+ }
+ spin_unlock(&heap->free_lock);
+
+ return total_drained;
+}
+
+static int ion_heap_deferred_free(void *data)
+{
+ struct ion_heap *heap = data;
+
+ while (true) {
+ struct ion_buffer *buffer;
+
+ wait_event_freezable(heap->waitqueue,
+ (ion_heap_freelist_size(heap) > 0 ||
+ kthread_should_stop()));
+
+ spin_lock(&heap->free_lock);
+ if (list_empty(&heap->free_list)) {
+ spin_unlock(&heap->free_lock);
+ if (!kthread_should_stop())
+ continue;
+ break;
+ }
+ buffer = list_first_entry(&heap->free_list, struct ion_buffer,
+ list);
+ list_del(&buffer->list);
+ heap->free_list_size -= buffer->size;
+ spin_unlock(&heap->free_lock);
+ ion_buffer_release(buffer);
+ }
+
+ return 0;
+}
+
+void *ion_heap_map_kernel(struct ion_heap *heap,
+ struct ion_buffer *buffer)
+{
+ struct scatterlist *sg;
+ int i, j;
+ void *vaddr;
+ pgprot_t pgprot;
+ struct sg_table *table = buffer->sg_table;
+ int npages = PAGE_ALIGN(buffer->size) / PAGE_SIZE;
+ struct page **pages = vmalloc(array_size(npages,
+ sizeof(struct page *)));
+ struct page **tmp = pages;
+
+ if (!pages)
+ return ERR_PTR(-ENOMEM);
+
+ if (buffer->flags & ION_FLAG_CACHED)
+ pgprot = PAGE_KERNEL;
+ else
+ pgprot = pgprot_writecombine(PAGE_KERNEL);
+
+ for_each_sg(table->sgl, sg, table->nents, i) {
+ int npages_this_entry = PAGE_ALIGN(sg->length) / PAGE_SIZE;
+ struct page *page = sg_page(sg);
+
+ BUG_ON(i >= npages);
+ for (j = 0; j < npages_this_entry; j++)
+ *(tmp++) = page++;
+ }
+ vaddr = vmap(pages, npages, VM_MAP, pgprot);
+ vfree(pages);
+
+ if (!vaddr)
+ return ERR_PTR(-ENOMEM);
+
+ return vaddr;
+}
+EXPORT_SYMBOL_GPL(ion_heap_map_kernel);
+
+void ion_heap_unmap_kernel(struct ion_heap *heap,
+ struct ion_buffer *buffer)
+{
+ vunmap(buffer->vaddr);
+}
+EXPORT_SYMBOL_GPL(ion_heap_unmap_kernel);
+
+int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
+ struct vm_area_struct *vma)
+{
+ struct sg_table *table = buffer->sg_table;
+ unsigned long addr = vma->vm_start;
+ unsigned long offset = vma->vm_pgoff * PAGE_SIZE;
+ struct scatterlist *sg;
+ int i;
+ int ret;
+
+ for_each_sg(table->sgl, sg, table->nents, i) {
+ struct page *page = sg_page(sg);
+ unsigned long remainder = vma->vm_end - addr;
+ unsigned long len = sg->length;
+
+ if (offset >= sg->length) {
+ offset -= sg->length;
+ continue;
+ } else if (offset) {
+ page += offset / PAGE_SIZE;
+ len = sg->length - offset;
+ offset = 0;
+ }
+ len = min(len, remainder);
+ ret = remap_pfn_range(vma, addr, page_to_pfn(page), len,
+ vma->vm_page_prot);
+ if (ret)
+ return ret;
+ addr += len;
+ if (addr >= vma->vm_end)
+ return 0;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ion_heap_map_user);
+
+void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer)
+{
+ spin_lock(&heap->free_lock);
+ list_add(&buffer->list, &heap->free_list);
+ heap->free_list_size += buffer->size;
+ spin_unlock(&heap->free_lock);
+ wake_up(&heap->waitqueue);
+}
+
+size_t ion_heap_freelist_size(struct ion_heap *heap)
+{
+ size_t size;
+
+ spin_lock(&heap->free_lock);
+ size = heap->free_list_size;
+ spin_unlock(&heap->free_lock);
+
+ return size;
+}
+
+size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size)
+{
+ return _ion_heap_freelist_drain(heap, size, false);
+}
+
+size_t ion_heap_freelist_shrink(struct ion_heap *heap, size_t size)
+{
+ return _ion_heap_freelist_drain(heap, size, true);
+}
+
+int ion_heap_init_deferred_free(struct ion_heap *heap)
+{
+ INIT_LIST_HEAD(&heap->free_list);
+ init_waitqueue_head(&heap->waitqueue);
+ heap->task = kthread_run(ion_heap_deferred_free, heap,
+ "%s", heap->name);
+ if (IS_ERR(heap->task)) {
+ pr_err("%s: creating thread for deferred free failed\n",
+ __func__);
+ return PTR_ERR_OR_ZERO(heap->task);
+ }
+ sched_set_normal(heap->task, 19);
+
+ return 0;
+}
+
int ion_heap_init_shrinker(struct ion_heap *heap)
{
heap->shrinker.count_objects = ion_heap_shrink_count;
@@ -284,3 +260,32 @@ int ion_heap_init_shrinker(struct ion_heap *heap)
return register_shrinker(&heap->shrinker);
}
+
+int ion_heap_cleanup(struct ion_heap *heap)
+{
+ int ret;
+
+ if (heap->flags & ION_HEAP_FLAG_DEFER_FREE &&
+ !IS_ERR_OR_NULL(heap->task)) {
+ size_t free_list_size = ion_heap_freelist_size(heap);
+ size_t total_drained = ion_heap_freelist_drain(heap, 0);
+
+ if (total_drained != free_list_size) {
+ pr_err("%s: %s heap drained %zu bytes, requested %zu\n",
+ __func__, heap->name, free_list_size,
+ total_drained);
+ return -EBUSY;
+ }
+ ret = kthread_stop(heap->task);
+ if (ret < 0) {
+ pr_err("%s: failed to stop heap free thread\n",
+ __func__);
+ return ret;
+ }
+ }
+
+ if ((heap->flags & ION_HEAP_FLAG_DEFER_FREE) || heap->ops->shrink)
+ unregister_shrinker(&heap->shrinker);
+
+ return 0;
+}
diff --git a/drivers/staging/android/ion/ion_private.h b/drivers/staging/android/ion/ion_private.h
new file mode 100644
index 0000000..db4e906
--- /dev/null
+++ b/drivers/staging/android/ion/ion_private.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ION Memory Allocator - Internal header
+ *
+ * Copyright (C) 2019 Google, Inc.
+ */
+
+#ifndef _ION_PRIVATE_H
+#define _ION_PRIVATE_H
+
+#include <linux/dcache.h>
+#include <linux/dma-buf.h>
+#include <linux/ion.h>
+#include <linux/miscdevice.h>
+#include <linux/mutex.h>
+#include <linux/plist.h>
+#include <linux/rbtree.h>
+#include <linux/rwsem.h>
+#include <linux/types.h>
+
+/**
+ * struct ion_device - the metadata of the ion device node
+ * @dev: the actual misc device
+ * @lock: rwsem protecting the tree of heaps, heap_bitmap and
+ * clients
+ * @heap_ids: bitmap of register heap ids
+ */
+struct ion_device {
+ struct miscdevice dev;
+ struct rw_semaphore lock;
+ DECLARE_BITMAP(heap_ids, ION_NUM_MAX_HEAPS);
+ struct plist_head heaps;
+ struct dentry *debug_root;
+ int heap_cnt;
+};
+
+/* ion_buffer manipulators */
+extern struct ion_buffer *ion_buffer_alloc(struct ion_device *dev, size_t len,
+ unsigned int heap_id_mask,
+ unsigned int flags);
+extern void ion_buffer_release(struct ion_buffer *buffer);
+extern int ion_buffer_destroy(struct ion_device *dev,
+ struct ion_buffer *buffer);
+extern void *ion_buffer_kmap_get(struct ion_buffer *buffer);
+extern void ion_buffer_kmap_put(struct ion_buffer *buffer);
+
+/* ion dmabuf allocator */
+extern struct dma_buf *ion_dmabuf_alloc(struct ion_device *dev, size_t len,
+ unsigned int heap_id_mask,
+ unsigned int flags);
+extern int ion_free(struct ion_buffer *buffer);
+
+/* ion heap helpers */
+extern int ion_heap_cleanup(struct ion_heap *heap);
+
+u64 ion_get_total_heap_bytes(void);
+
+#endif /* _ION_PRIVATE_H */
diff --git a/drivers/staging/android/ion/ion_trace.h b/drivers/staging/android/ion/ion_trace.h
new file mode 100644
index 0000000..eacb47d
--- /dev/null
+++ b/drivers/staging/android/ion/ion_trace.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * drivers/staging/android/ion/ion-trace.h
+ *
+ * Copyright (C) 2020 Google, Inc.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ion
+
+#if !defined(_ION_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _ION_TRACE_H
+
+#include <linux/tracepoint.h>
+
+#ifndef __ION_PTR_TO_HASHVAL
+static unsigned int __maybe_unused __ion_ptr_to_hash(const void *ptr)
+{
+ unsigned long hashval;
+
+ if (ptr_to_hashval(ptr, &hashval))
+ return 0;
+
+ /* The hashed value is only 32-bit */
+ return (unsigned int)hashval;
+}
+
+#define __ION_PTR_TO_HASHVAL
+#endif
+
+TRACE_EVENT(ion_stat,
+ TP_PROTO(const void *addr, long len,
+ unsigned long total_allocated),
+ TP_ARGS(addr, len, total_allocated),
+ TP_STRUCT__entry(__field(unsigned int, buffer_id)
+ __field(long, len)
+ __field(unsigned long, total_allocated)
+ ),
+ TP_fast_assign(__entry->buffer_id = __ion_ptr_to_hash(addr);
+ __entry->len = len;
+ __entry->total_allocated = total_allocated;
+ ),
+ TP_printk("buffer_id=%u len=%ldB total_allocated=%ldB",
+ __entry->buffer_id,
+ __entry->len,
+ __entry->total_allocated)
+ );
+
+#endif /* _ION_TRACE_H */
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE ion_trace
+#include <trace/define_trace.h>
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index d9e34ac..48a993d 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -23,6 +23,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/thermal.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/thermal.h>
#include "thermal_core.h"
#include "thermal_hwmon.h"
@@ -542,6 +544,7 @@ int thermal_zone_device_is_enabled(struct thermal_zone_device *tz)
return mode == THERMAL_DEVICE_ENABLED;
}
+EXPORT_SYMBOL_GPL(thermal_zone_device_is_enabled);
void thermal_zone_device_update(struct thermal_zone_device *tz,
enum thermal_notify_event event)
@@ -1613,6 +1616,7 @@ static int thermal_pm_notify(struct notifier_block *nb,
unsigned long mode, void *_unused)
{
struct thermal_zone_device *tz;
+ int irq_wakeable = 0;
switch (mode) {
case PM_HIBERNATION_PREPARE:
@@ -1628,6 +1632,10 @@ static int thermal_pm_notify(struct notifier_block *nb,
if (!thermal_zone_device_is_enabled(tz))
continue;
+ trace_android_vh_thermal_pm_notify_suspend(tz, &irq_wakeable);
+ if (irq_wakeable)
+ continue;
+
thermal_zone_device_init(tz);
thermal_zone_device_update(tz,
THERMAL_EVENT_UNSPECIFIED);
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 681209d..5e80cb3 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -179,6 +179,4 @@ of_thermal_get_trip_points(struct thermal_zone_device *tz)
}
#endif
-int thermal_zone_device_is_enabled(struct thermal_zone_device *tz);
-
#endif /* __THERMAL_CORE_H__ */
diff --git a/drivers/thermal/thermal_netlink.c b/drivers/thermal/thermal_netlink.c
index 1234dbe..c82dba5 100644
--- a/drivers/thermal/thermal_netlink.c
+++ b/drivers/thermal/thermal_netlink.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <net/genetlink.h>
+#include <trace/hooks/thermal.h>
#include <uapi/linux/thermal.h>
#include "thermal_core.h"
@@ -229,6 +230,11 @@ static int thermal_genl_send_event(enum thermal_genl_event event,
struct sk_buff *msg;
int ret = -EMSGSIZE;
void *hdr;
+ int enable_thermal_genl = 1;
+
+ trace_android_vh_enable_thermal_genl_check(event, p->tz_id, &enable_thermal_genl);
+ if (!enable_thermal_genl)
+ return 0;
msg = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (!msg)
diff --git a/drivers/tty/hvc/Kconfig b/drivers/tty/hvc/Kconfig
index 8d60e0f..ee2eba4 100644
--- a/drivers/tty/hvc/Kconfig
+++ b/drivers/tty/hvc/Kconfig
@@ -87,6 +87,27 @@
driver. This console is used through a JTAG only on ARM. If you don't have
a JTAG then you probably don't want this option.
+config HVC_DCC_SERIALIZE_SMP
+ bool "Use DCC only on core 0"
+ depends on SMP && HVC_DCC
+ help
+ Some debuggers, such as Trace32 from Lauterbach GmbH, do not handle
+ reads/writes from/to DCC on more than one core. Each core has its
+ own DCC device registers, so when a core reads or writes from/to DCC,
+ it only accesses its own DCC device. Since kernel code can run on
+ any core, every time the kernel wants to write to the console, it
+ might write to a different DCC.
+
+ In SMP mode, Trace32 only uses the DCC on core 0. In AMP mode, it
+ creates multiple windows, and each window shows the DCC output
+ only from that core's DCC. The result is that console output is
+ either lost or scattered across windows.
+
+ Selecting this option will enable code that serializes all console
+ input and output to core 0. The DCC driver will create input and
+ output FIFOs that all cores will use. Reads and writes from/to DCC
+ are handled by a workqueue that runs only core 0.
+
config HVC_RISCV_SBI
bool "RISC-V SBI console support"
depends on RISCV_SBI_V01
diff --git a/drivers/tty/hvc/hvc_console.h b/drivers/tty/hvc/hvc_console.h
index 18d0058..97200fb 100644
--- a/drivers/tty/hvc/hvc_console.h
+++ b/drivers/tty/hvc/hvc_console.h
@@ -30,7 +30,7 @@
* for the tty device. Since this driver supports hotplug of vty adapters we
* need to make sure we have enough allocated.
*/
-#define HVC_ALLOC_TTY_ADAPTERS 8
+#define HVC_ALLOC_TTY_ADAPTERS 64
struct hvc_struct {
struct tty_port port;
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 8e0edb7..f419a95 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -3,14 +3,24 @@
#include <linux/console.h>
#include <linux/init.h>
+#include <linux/kfifo.h>
+#include <linux/moduleparam.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
+#include <linux/spinlock.h>
#include <asm/dcc.h>
#include <asm/processor.h>
#include "hvc_console.h"
+/*
+ * Disable DCC driver at runtime. Want driver enabled for GKI, but some devices
+ * do not support the registers and crash when driver pokes the registers
+ */
+static bool enable;
+module_param(enable, bool, 0444);
+
/* DCC Status Bits */
#define DCC_STATUS_RX (1 << 30)
#define DCC_STATUS_TX (1 << 29)
@@ -67,31 +77,186 @@ static int hvc_dcc_get_chars(uint32_t vt, char *buf, int count)
return i;
}
+/*
+ * Check if the DCC is enabled. If CONFIG_HVC_DCC_SERIALIZE_SMP is enabled,
+ * then we assume then this function will be called first on core 0. That
+ * way, dcc_core0_available will be true only if it's available on core 0.
+ */
static bool hvc_dcc_check(void)
{
unsigned long time = jiffies + (HZ / 10);
+#ifdef CONFIG_HVC_DCC_SERIALIZE_SMP
+ static bool dcc_core0_available;
+
+ /*
+ * If we're not on core 0, but we previously confirmed that DCC is
+ * active, then just return true.
+ */
+ if (smp_processor_id() && dcc_core0_available)
+ return true;
+#endif
+
/* Write a test character to check if it is handled */
__dcc_putchar('\n');
while (time_is_after_jiffies(time)) {
- if (!(__dcc_getstatus() & DCC_STATUS_TX))
+ if (!(__dcc_getstatus() & DCC_STATUS_TX)) {
+#ifdef CONFIG_HVC_DCC_SERIALIZE_SMP
+ dcc_core0_available = true;
+#endif
return true;
+ }
}
return false;
}
+#ifdef CONFIG_HVC_DCC_SERIALIZE_SMP
+
+static void dcc_put_work_fn(struct work_struct *work);
+static void dcc_get_work_fn(struct work_struct *work);
+static DECLARE_WORK(dcc_pwork, dcc_put_work_fn);
+static DECLARE_WORK(dcc_gwork, dcc_get_work_fn);
+static DEFINE_SPINLOCK(dcc_lock);
+static DEFINE_KFIFO(inbuf, unsigned char, 128);
+static DEFINE_KFIFO(outbuf, unsigned char, 1024);
+
+/*
+ * Workqueue function that writes the output FIFO to the DCC on core 0.
+ */
+static void dcc_put_work_fn(struct work_struct *work)
+{
+ unsigned char ch;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dcc_lock, irqflags);
+
+ /* While there's data in the output FIFO, write it to the DCC */
+ while (kfifo_get(&outbuf, &ch))
+ hvc_dcc_put_chars(0, &ch, 1);
+
+ /* While we're at it, check for any input characters */
+ while (!kfifo_is_full(&inbuf)) {
+ if (!hvc_dcc_get_chars(0, &ch, 1))
+ break;
+ kfifo_put(&inbuf, ch);
+ }
+
+ spin_unlock_irqrestore(&dcc_lock, irqflags);
+}
+
+/*
+ * Workqueue function that reads characters from DCC and puts them into the
+ * input FIFO.
+ */
+static void dcc_get_work_fn(struct work_struct *work)
+{
+ unsigned char ch;
+ unsigned long irqflags;
+
+ /*
+ * Read characters from DCC and put them into the input FIFO, as
+ * long as there is room and we have characters to read.
+ */
+ spin_lock_irqsave(&dcc_lock, irqflags);
+
+ while (!kfifo_is_full(&inbuf)) {
+ if (!hvc_dcc_get_chars(0, &ch, 1))
+ break;
+ kfifo_put(&inbuf, ch);
+ }
+ spin_unlock_irqrestore(&dcc_lock, irqflags);
+}
+
+/*
+ * Write characters directly to the DCC if we're on core 0 and the FIFO
+ * is empty, or write them to the FIFO if we're not.
+ */
+static int hvc_dcc0_put_chars(uint32_t vt, const char *buf,
+ int count)
+{
+ int len;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dcc_lock, irqflags);
+ if (smp_processor_id() || (!kfifo_is_empty(&outbuf))) {
+ len = kfifo_in(&outbuf, buf, count);
+ spin_unlock_irqrestore(&dcc_lock, irqflags);
+ /*
+ * We just push data to the output FIFO, so schedule the
+ * workqueue that will actually write that data to DCC.
+ */
+ schedule_work_on(0, &dcc_pwork);
+ return len;
+ }
+
+ /*
+ * If we're already on core 0, and the FIFO is empty, then just
+ * write the data to DCC.
+ */
+ len = hvc_dcc_put_chars(vt, buf, count);
+ spin_unlock_irqrestore(&dcc_lock, irqflags);
+
+ return len;
+}
+
+/*
+ * Read characters directly from the DCC if we're on core 0 and the FIFO
+ * is empty, or read them from the FIFO if we're not.
+ */
+static int hvc_dcc0_get_chars(uint32_t vt, char *buf, int count)
+{
+ int len;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dcc_lock, irqflags);
+
+ if (smp_processor_id() || (!kfifo_is_empty(&inbuf))) {
+ len = kfifo_out(&inbuf, buf, count);
+ spin_unlock_irqrestore(&dcc_lock, irqflags);
+
+ /*
+ * If the FIFO was empty, there may be characters in the DCC
+ * that we haven't read yet. Schedule a workqueue to fill
+ * the input FIFO, so that the next time this function is
+ * called, we'll have data.
+ */
+ if (!len)
+ schedule_work_on(0, &dcc_gwork);
+
+ return len;
+ }
+
+ /*
+ * If we're already on core 0, and the FIFO is empty, then just
+ * read the data from DCC.
+ */
+ len = hvc_dcc_get_chars(vt, buf, count);
+ spin_unlock_irqrestore(&dcc_lock, irqflags);
+
+ return len;
+}
+
+static const struct hv_ops hvc_dcc_get_put_ops = {
+ .get_chars = hvc_dcc0_get_chars,
+ .put_chars = hvc_dcc0_put_chars,
+};
+
+#else
+
static const struct hv_ops hvc_dcc_get_put_ops = {
.get_chars = hvc_dcc_get_chars,
.put_chars = hvc_dcc_put_chars,
};
+#endif
+
static int __init hvc_dcc_console_init(void)
{
int ret;
- if (!hvc_dcc_check())
+ if (!enable || !hvc_dcc_check())
return -ENODEV;
/* Returns -1 if error */
@@ -105,7 +270,7 @@ static int __init hvc_dcc_init(void)
{
struct hvc_struct *p;
- if (!hvc_dcc_check())
+ if (!enable || !hvc_dcc_check())
return -ENODEV;
p = hvc_alloc(0, 0, &hvc_dcc_get_put_ops, 128);
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index c5f0d93..fe97d60 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -32,7 +32,18 @@ static ssize_t modalias_show(struct device *dev,
if (len != -ENODEV)
return len;
- return of_device_modalias(dev, buf, PAGE_SIZE);
+ len = of_device_modalias(dev, buf, PAGE_SIZE);
+ if (len != -ENODEV)
+ return len;
+
+ if (dev->parent->parent->bus == &platform_bus_type) {
+ struct platform_device *pdev =
+ to_platform_device(dev->parent->parent);
+
+ len = snprintf(buf, PAGE_SIZE, "platform:%s\n", pdev->name);
+ }
+
+ return len;
}
static DEVICE_ATTR_RO(modalias);
@@ -46,13 +57,18 @@ static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
int rc;
- /* TODO: platform modalias */
-
rc = acpi_device_uevent_modalias(dev, env);
if (rc != -ENODEV)
return rc;
- return of_device_uevent_modalias(dev, env);
+ rc = of_device_uevent_modalias(dev, env);
+ if (rc != -ENODEV)
+ return rc;
+
+ if (dev->parent->parent->bus == &platform_bus_type)
+ rc = dev->parent->parent->bus->uevent(dev->parent->parent, env);
+
+ return rc;
}
static void serdev_device_release(struct device *dev)
@@ -88,11 +104,17 @@ static int serdev_device_match(struct device *dev, struct device_driver *drv)
if (!is_serdev_device(dev))
return 0;
- /* TODO: platform matching */
if (acpi_driver_match_device(dev, drv))
return 1;
- return of_driver_match_device(dev, drv);
+ if (of_driver_match_device(dev, drv))
+ return 1;
+
+ if (dev->parent->parent->bus == &platform_bus_type &&
+ dev->parent->parent->bus->match(dev->parent->parent, drv))
+ return 1;
+
+ return 0;
}
/**
@@ -729,16 +751,45 @@ static inline int acpi_serdev_register_devices(struct serdev_controller *ctrl)
}
#endif /* CONFIG_ACPI */
+static int platform_serdev_register_devices(struct serdev_controller *ctrl)
+{
+ struct serdev_device *serdev;
+ int err;
+
+ if (ctrl->dev.parent->bus != &platform_bus_type)
+ return -ENODEV;
+
+ serdev = serdev_device_alloc(ctrl);
+ if (!serdev) {
+ dev_err(&ctrl->dev, "failed to allocate serdev device for %s\n",
+ dev_name(ctrl->dev.parent));
+ return -ENOMEM;
+ }
+
+ pm_runtime_no_callbacks(&serdev->dev);
+
+ err = serdev_device_add(serdev);
+ if (err) {
+ dev_err(&serdev->dev,
+ "failure adding device. status %d\n", err);
+ serdev_device_put(serdev);
+ }
+
+ return err;
+}
+
+
/**
- * serdev_controller_add() - Add an serdev controller
+ * serdev_controller_add_platform() - Add an serdev controller
* @ctrl: controller to be registered.
+ * @platform: whether to permit fallthrough to platform device probe
*
* Register a controller previously allocated via serdev_controller_alloc() with
- * the serdev core.
+ * the serdev core. Optionally permit probing via a platform device fallback.
*/
-int serdev_controller_add(struct serdev_controller *ctrl)
+int serdev_controller_add_platform(struct serdev_controller *ctrl, bool platform)
{
- int ret_of, ret_acpi, ret;
+ int ret, ret_of, ret_acpi, ret_platform = -ENODEV;
/* Can't register until after driver model init */
if (WARN_ON(!is_registered))
@@ -752,9 +803,13 @@ int serdev_controller_add(struct serdev_controller *ctrl)
ret_of = of_serdev_register_devices(ctrl);
ret_acpi = acpi_serdev_register_devices(ctrl);
- if (ret_of && ret_acpi) {
- dev_dbg(&ctrl->dev, "no devices registered: of:%pe acpi:%pe\n",
- ERR_PTR(ret_of), ERR_PTR(ret_acpi));
+ if (platform)
+ ret_platform = platform_serdev_register_devices(ctrl);
+ if (ret_of && ret_acpi && ret_platform) {
+ dev_dbg(&ctrl->dev,
+ "no devices registered: of:%pe acpi:%pe platform:%pe\n",
+ ERR_PTR(ret_of), ERR_PTR(ret_acpi),
+ ERR_PTR(ret_platform));
ret = -ENODEV;
goto err_rpm_disable;
}
@@ -768,7 +823,7 @@ int serdev_controller_add(struct serdev_controller *ctrl)
device_del(&ctrl->dev);
return ret;
};
-EXPORT_SYMBOL_GPL(serdev_controller_add);
+EXPORT_SYMBOL_GPL(serdev_controller_add_platform);
/* Remove a device associated with a controller */
static int serdev_remove_device(struct device *dev, void *data)
diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c
index d367803e..6cdffde 100644
--- a/drivers/tty/serdev/serdev-ttyport.c
+++ b/drivers/tty/serdev/serdev-ttyport.c
@@ -7,9 +7,15 @@
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/poll.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
#define SERPORT_ACTIVE 1
+static char *pdev_tty_port;
+module_param(pdev_tty_port, charp, 0644);
+MODULE_PARM_DESC(pdev_tty_port, "platform device tty port to claim");
+
struct serport {
struct tty_port *port;
struct tty_struct *tty;
@@ -267,6 +273,7 @@ struct device *serdev_tty_port_register(struct tty_port *port,
{
struct serdev_controller *ctrl;
struct serport *serport;
+ bool platform = false;
int ret;
if (!port || !drv || !parent)
@@ -286,7 +293,28 @@ struct device *serdev_tty_port_register(struct tty_port *port,
port->client_ops = &client_ops;
port->client_data = ctrl;
- ret = serdev_controller_add(ctrl);
+ /* There is not always a way to bind specific platform devices because
+ * they may be defined on platforms without DT or ACPI. When dealing
+ * with a platform devices, do not allow direct binding unless it is
+ * whitelisted by module parameter. If a platform device is otherwise
+ * described by DT or ACPI it will still be bound and this check will
+ * be ignored.
+ */
+ if (parent->bus == &platform_bus_type) {
+ if (pdev_tty_port) {
+ unsigned long pdev_idx;
+ int tty_len = strlen(drv->name);
+
+ if (!strncmp(pdev_tty_port, drv->name, tty_len)) {
+ if (!kstrtoul(pdev_tty_port + tty_len, 10,
+ &pdev_idx) && pdev_idx == idx) {
+ platform = true;
+ }
+ }
+ }
+ }
+
+ ret = serdev_controller_add_platform(ctrl, platform);
if (ret)
goto err_reset_data;
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 28f22e5..940db39 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -206,7 +206,7 @@
config SERIAL_MESON_CONSOLE
bool "Support for console on meson"
- depends on SERIAL_MESON=y
+ depends on SERIAL_MESON
select SERIAL_CORE_CONSOLE
select SERIAL_EARLYCON
help
@@ -236,7 +236,6 @@
config SERIAL_SAMSUNG
tristate "Samsung SoC serial support"
- depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
select SERIAL_CORE
help
Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
@@ -967,6 +966,14 @@
select SERIAL_CORE_CONSOLE
select SERIAL_EARLYCON
+config SERIAL_MSM_GENI_EARLY_CONSOLE
+ bool "MSM on-chip GENI HW based early console support"
+ select SERIAL_CORE_CONSOLE
+ select SERIAL_EARLYCON
+ help
+ Serial early console driver for Qualcomm Technologies Inc's GENI
+ based QUP hardware.
+
config SERIAL_QCOM_GENI
tristate "QCOM on-chip GENI based serial port support"
depends on ARCH_QCOM || COMPILE_TEST
diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile
index caf167f..ac5566c 100644
--- a/drivers/tty/serial/Makefile
+++ b/drivers/tty/serial/Makefile
@@ -56,6 +56,7 @@
obj-$(CONFIG_SERIAL_ATMEL) += atmel_serial.o
obj-$(CONFIG_SERIAL_UARTLITE) += uartlite.o
obj-$(CONFIG_SERIAL_MSM) += msm_serial.o
+obj-$(CONFIG_SERIAL_MSM_GENI_EARLY_CONSOLE) += msm_geni_serial_earlycon.o
obj-$(CONFIG_SERIAL_QCOM_GENI) += qcom_geni_serial.o
obj-$(CONFIG_SERIAL_OMAP) += omap-serial.o
obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o
diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c
index 3284f34..3f96edf 100644
--- a/drivers/tty/serial/amba-pl010.c
+++ b/drivers/tty/serial/amba-pl010.c
@@ -754,7 +754,7 @@ static int pl010_probe(struct amba_device *dev, const struct amba_id *id)
return ret;
}
-static int pl010_remove(struct amba_device *dev)
+static void pl010_remove(struct amba_device *dev)
{
struct uart_amba_port *uap = amba_get_drvdata(dev);
int i;
@@ -770,8 +770,6 @@ static int pl010_remove(struct amba_device *dev)
if (!busy)
uart_unregister_driver(&amba_reg);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index b3cddcd..19213924 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2679,13 +2679,12 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
return pl011_register_port(uap);
}
-static int pl011_remove(struct amba_device *dev)
+static void pl011_remove(struct amba_device *dev)
{
struct uart_amba_port *uap = amba_get_drvdata(dev);
uart_remove_one_port(&amba_reg, &uap->port);
pl011_unregister_port(uap);
- return 0;
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
index d2c08b7..69eeef9 100644
--- a/drivers/tty/serial/meson_uart.c
+++ b/drivers/tty/serial/meson_uart.c
@@ -604,7 +604,6 @@ static int __init meson_serial_console_init(void)
register_console(&meson_serial_console);
return 0;
}
-console_initcall(meson_serial_console_init);
static void meson_serial_early_console_write(struct console *co,
const char *s,
@@ -634,6 +633,9 @@ OF_EARLYCON_DECLARE(meson, "amlogic,meson-ao-uart",
#define MESON_SERIAL_CONSOLE (&meson_serial_console)
#else
+static int __init meson_serial_console_init(void) {
+ return 0;
+}
#define MESON_SERIAL_CONSOLE NULL
#endif
@@ -824,6 +826,10 @@ static int __init meson_uart_init(void)
{
int ret;
+ ret = meson_serial_console_init();
+ if (ret)
+ return ret;
+
ret = uart_register_driver(&meson_uart_driver);
if (ret)
return ret;
diff --git a/drivers/tty/serial/msm_geni_serial_earlycon.c b/drivers/tty/serial/msm_geni_serial_earlycon.c
new file mode 100644
index 0000000..3c214fa
--- /dev/null
+++ b/drivers/tty/serial/msm_geni_serial_earlycon.c
@@ -0,0 +1,354 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ */
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/serial_core.h>
+
+#define SE_GENI_DMA_MODE_EN 0x258
+#define SE_UART_TX_TRANS_CFG 0x25C
+#define SE_UART_TX_WORD_LEN 0x268
+#define SE_UART_TX_STOP_BIT_LEN 0x26C
+#define SE_UART_TX_TRANS_LEN 0x270
+#define SE_UART_TX_PARITY_CFG 0x2A4
+/* SE_UART_TRANS_CFG */
+#define UART_CTS_MASK BIT(1)
+/* UART M_CMD OP codes */
+#define UART_START_TX 0x1
+
+#define UART_OVERSAMPLING 32
+#define DEF_FIFO_DEPTH_WORDS 16
+#define DEF_TX_WM 2
+#define DEF_FIFO_WIDTH_BITS 32
+
+#define GENI_FORCE_DEFAULT_REG 0x20
+#define GENI_OUTPUT_CTRL 0x24
+#define GENI_CGC_CTRL 0x28
+#define GENI_SER_M_CLK_CFG 0x48
+#define GENI_FW_REVISION_RO 0x68
+
+#define SE_GENI_TX_PACKING_CFG0 0x260
+#define SE_GENI_TX_PACKING_CFG1 0x264
+#define SE_GENI_M_CMD0 0x600
+#define SE_GENI_M_CMD_CTRL_REG 0x604
+#define SE_GENI_M_IRQ_STATUS 0x610
+#define SE_GENI_M_IRQ_EN 0x614
+#define SE_GENI_M_IRQ_CLEAR 0x618
+#define SE_GENI_TX_FIFOn 0x700
+#define SE_GENI_TX_WATERMARK_REG 0x80C
+
+#define SE_IRQ_EN 0xE1C
+#define SE_HW_PARAM_0 0xE24
+#define SE_HW_PARAM_1 0xE28
+
+/* GENI_OUTPUT_CTRL fields */
+#define DEFAULT_IO_OUTPUT_CTRL_MSK GENMASK(6, 0)
+
+/* GENI_FORCE_DEFAULT_REG fields */
+#define FORCE_DEFAULT BIT(0)
+
+/* GENI_CGC_CTRL fields */
+#define CFG_AHB_CLK_CGC_ON BIT(0)
+#define CFG_AHB_WR_ACLK_CGC_ON BIT(1)
+#define DATA_AHB_CLK_CGC_ON BIT(2)
+#define SCLK_CGC_ON BIT(3)
+#define TX_CLK_CGC_ON BIT(4)
+#define RX_CLK_CGC_ON BIT(5)
+#define EXT_CLK_CGC_ON BIT(6)
+#define PROG_RAM_HCLK_OFF BIT(8)
+#define PROG_RAM_SCLK_OFF BIT(9)
+#define DEFAULT_CGC_EN GENMASK(6, 0)
+
+/* GENI_STATUS fields */
+#define M_GENI_CMD_ACTIVE BIT(0)
+
+/* GENI_SER_M_CLK_CFG/GENI_SER_S_CLK_CFG */
+#define SER_CLK_EN BIT(0)
+#define CLK_DIV_MSK GENMASK(15, 4)
+#define CLK_DIV_SHFT 4
+
+/* CLK_CTRL_RO fields */
+
+/* FIFO_IF_DISABLE_RO fields */
+#define FIFO_IF_DISABLE BIT(0)
+
+/* FW_REVISION_RO fields */
+#define FW_REV_PROTOCOL_MSK GENMASK(15, 8)
+#define FW_REV_PROTOCOL_SHFT 8
+#define FW_REV_VERSION_MSK GENMASK(7, 0)
+
+/* GENI_CLK_SEL fields */
+#define CLK_SEL_MSK GENMASK(2, 0)
+
+/* SE_GENI_DMA_MODE_EN */
+#define GENI_DMA_MODE_EN BIT(0)
+
+/* GENI_M_CMD0 fields */
+#define M_OPCODE_MSK GENMASK(31, 27)
+#define M_OPCODE_SHFT 27
+#define M_PARAMS_MSK GENMASK(26, 0)
+
+/* GENI_M_CMD_CTRL_REG */
+#define M_GENI_CMD_CANCEL BIT(2)
+#define M_GENI_CMD_ABORT BIT(1)
+#define M_GENI_DISABLE BIT(0)
+
+/* GENI_M_IRQ_EN fields */
+#define M_CMD_DONE_EN BIT(0)
+#define M_CMD_OVERRUN_EN BIT(1)
+#define M_ILLEGAL_CMD_EN BIT(2)
+#define M_CMD_FAILURE_EN BIT(3)
+#define M_CMD_CANCEL_EN BIT(4)
+#define M_CMD_ABORT_EN BIT(5)
+#define M_TIMESTAMP_EN BIT(6)
+#define M_GP_SYNC_IRQ_0_EN BIT(8)
+#define M_IO_DATA_DEASSERT_EN BIT(22)
+#define M_IO_DATA_ASSERT_EN BIT(23)
+#define M_TX_FIFO_RD_ERR_EN BIT(28)
+#define M_TX_FIFO_WR_ERR_EN BIT(29)
+#define M_TX_FIFO_WATERMARK_EN BIT(30)
+#define M_SEC_IRQ_EN BIT(31)
+#define M_COMMON_GENI_M_IRQ_EN (GENMASK(6, 1) | \
+ M_IO_DATA_DEASSERT_EN | \
+ M_IO_DATA_ASSERT_EN | M_TX_FIFO_RD_ERR_EN | \
+ M_TX_FIFO_WR_ERR_EN)
+
+/* GENI_TX_FIFO_STATUS fields */
+#define TX_FIFO_WC GENMASK(27, 0)
+
+/* SE_IRQ_EN fields */
+#define GENI_M_IRQ_EN BIT(2)
+
+#define UART_PROTOCOL 2
+
+static int get_se_proto_earlycon(void __iomem *base)
+{
+ int proto;
+
+ proto = ((readl_relaxed(base + GENI_FW_REVISION_RO)
+ & FW_REV_PROTOCOL_MSK) >> FW_REV_PROTOCOL_SHFT);
+ return proto;
+}
+
+static void se_get_packing_config_earlycon(int bpw, int pack_words,
+ bool msb_to_lsb, unsigned long *cfg0, unsigned long *cfg1)
+{
+ u32 cfg[4] = {0};
+ int len, i;
+ int temp_bpw = bpw;
+ int idx_start = (msb_to_lsb ? (bpw - 1) : 0);
+ int idx_delta = (msb_to_lsb ? -BITS_PER_BYTE : BITS_PER_BYTE);
+ int ceil_bpw = ((bpw & (BITS_PER_BYTE - 1)) ?
+ ((bpw & ~(BITS_PER_BYTE - 1)) + BITS_PER_BYTE) : bpw);
+ int iter = (ceil_bpw * pack_words) >> 3;
+ int idx = idx_start;
+
+ if (iter <= 0 || iter > 4) {
+ *cfg0 = 0;
+ *cfg1 = 0;
+ return;
+ }
+
+ for (i = 0; i < iter; i++) {
+ len = (temp_bpw < BITS_PER_BYTE) ?
+ (temp_bpw - 1) : BITS_PER_BYTE - 1;
+ cfg[i] = ((idx << 5) | (msb_to_lsb << 4) | (len << 1));
+ idx = ((temp_bpw - BITS_PER_BYTE) <= 0) ?
+ ((i + 1) * BITS_PER_BYTE) + idx_start :
+ idx + idx_delta;
+ temp_bpw = ((temp_bpw - BITS_PER_BYTE) <= 0) ?
+ bpw : (temp_bpw - BITS_PER_BYTE);
+ }
+ cfg[iter - 1] |= 1;
+ *cfg0 = cfg[0] | (cfg[1] << 10);
+ *cfg1 = cfg[2] | (cfg[3] << 10);
+}
+
+static void se_io_init_earlycon(void __iomem *base)
+{
+ u32 io_op_ctrl;
+ u32 geni_cgc_ctrl;
+
+ geni_cgc_ctrl = readl_relaxed(base + GENI_CGC_CTRL);
+ geni_cgc_ctrl |= DEFAULT_CGC_EN;
+ io_op_ctrl = DEFAULT_IO_OUTPUT_CTRL_MSK;
+ writel_relaxed(geni_cgc_ctrl, base + GENI_CGC_CTRL);
+
+ writel_relaxed(io_op_ctrl, base + GENI_OUTPUT_CTRL);
+ writel_relaxed(FORCE_DEFAULT, base + GENI_FORCE_DEFAULT_REG);
+}
+
+static void geni_se_select_fifo_mode_earlycon(void __iomem *base)
+{
+ u32 val;
+
+ val = readl_relaxed(base + SE_GENI_DMA_MODE_EN);
+ val &= ~GENI_DMA_MODE_EN;
+ writel_relaxed(val, base + SE_GENI_M_IRQ_EN);
+}
+
+static void msm_geni_serial_wr_char(struct uart_port *uport, int ch)
+{
+ writel_relaxed(ch, uport->membase + SE_GENI_TX_FIFOn);
+}
+
+static int msm_geni_serial_poll_bit(struct uart_port *uport,
+ int offset, int bit_field, bool set)
+{
+ int iter = 0;
+ bool met = false, cond = false;
+ unsigned int reg, total_iter = 1000;
+
+ while (iter < total_iter) {
+ reg = readl_relaxed(uport->membase + offset);
+ cond = reg & bit_field;
+ if (cond == set) {
+ met = true;
+ break;
+ }
+ udelay(10);
+ iter++;
+ }
+ return met;
+}
+
+static void msm_geni_serial_poll_abort_tx(struct uart_port *uport)
+{
+ int done = 0;
+ u32 irq_clear = M_CMD_DONE_EN;
+
+ done = msm_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
+ M_CMD_DONE_EN, true);
+ if (!done) {
+ writel_relaxed(M_GENI_CMD_ABORT,
+ uport->membase + SE_GENI_M_CMD_CTRL_REG);
+ irq_clear |= M_CMD_ABORT_EN;
+ msm_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
+ M_CMD_ABORT_EN, true);
+ }
+ writel_relaxed(irq_clear, uport->membase + SE_GENI_M_IRQ_CLEAR);
+}
+
+static void msm_geni_serial_setup_tx(struct uart_port *uport,
+ unsigned int xmit_size)
+{
+ u32 m_cmd = 0;
+
+ writel_relaxed(xmit_size, uport->membase + SE_UART_TX_TRANS_LEN);
+ m_cmd |= (UART_START_TX << M_OPCODE_SHFT);
+ writel_relaxed(m_cmd, uport->membase + SE_GENI_M_CMD0);
+}
+
+static void
+__msm_geni_serial_console_write(struct uart_port *uport, const char *s,
+ unsigned int count)
+{
+ int new_line = 0;
+ int i;
+ int bytes_to_send = count;
+ int fifo_depth = DEF_FIFO_DEPTH_WORDS;
+ int tx_wm = DEF_TX_WM;
+
+ for (i = 0; i < count; i++) {
+ if (s[i] == '\n')
+ new_line++;
+ }
+
+ bytes_to_send += new_line;
+ writel_relaxed(tx_wm, uport->membase + SE_GENI_TX_WATERMARK_REG);
+ msm_geni_serial_setup_tx(uport, bytes_to_send);
+ i = 0;
+ while (i < count) {
+ u32 chars_to_write = 0;
+ u32 avail_fifo_bytes = (fifo_depth - tx_wm);
+ /*
+ * If the WM bit never set, then the Tx state machine is not
+ * in a valid state, so break, cancel/abort any existing
+ * command. Unfortunately the current data being written is
+ * lost.
+ */
+ while (!msm_geni_serial_poll_bit(uport, SE_GENI_M_IRQ_STATUS,
+ M_TX_FIFO_WATERMARK_EN, true))
+ break;
+ chars_to_write = min((unsigned int)(count - i),
+ avail_fifo_bytes);
+ if ((chars_to_write << 1) > avail_fifo_bytes)
+ chars_to_write = (avail_fifo_bytes >> 1);
+ uart_console_write(uport, (s + i), chars_to_write,
+ msm_geni_serial_wr_char);
+ writel_relaxed(M_TX_FIFO_WATERMARK_EN,
+ uport->membase + SE_GENI_M_IRQ_CLEAR);
+ i += chars_to_write;
+ }
+ msm_geni_serial_poll_abort_tx(uport);
+}
+
+static void
+msm_geni_serial_early_console_write(struct console *con, const char *s,
+ unsigned int n)
+{
+ struct earlycon_device *dev = con->data;
+
+ __msm_geni_serial_console_write(&dev->port, s, n);
+}
+
+static int __init
+msm_geni_serial_earlycon_setup(struct earlycon_device *dev,
+ const char *opt)
+{
+ int ret = 0;
+ u32 tx_trans_cfg = 0;
+ u32 tx_parity_cfg = 0;
+ u32 stop_bit = 0;
+ u32 bits_per_char = 0;
+ unsigned long cfg0, cfg1;
+ struct uart_port *uport = &dev->port;
+
+ if (!uport->membase) {
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ if (get_se_proto_earlycon(uport->membase) != UART_PROTOCOL) {
+ ret = -ENXIO;
+ goto exit;
+ }
+
+ /*
+ * Ignore Flow control.
+ * Disable Tx Parity.
+ * Don't check Parity during Rx.
+ * Disable Rx Parity.
+ * n = 8.
+ * Stop bit = 0.
+ * Stale timeout in bit-time (3 chars worth).
+ */
+ tx_trans_cfg |= UART_CTS_MASK;
+ tx_parity_cfg = 0;
+ bits_per_char = 0x8;
+ stop_bit = 0;
+
+ msm_geni_serial_poll_abort_tx(uport);
+
+ se_get_packing_config_earlycon(8, 1, false, &cfg0, &cfg1);
+
+ se_io_init_earlycon(uport->membase);
+
+ geni_se_select_fifo_mode_earlycon(uport->membase);
+ writel_relaxed(cfg0, uport->membase + SE_GENI_TX_PACKING_CFG0);
+ writel_relaxed(cfg1, uport->membase + SE_GENI_TX_PACKING_CFG1);
+ writel_relaxed(tx_trans_cfg, uport->membase + SE_UART_TX_TRANS_CFG);
+ writel_relaxed(tx_parity_cfg, uport->membase + SE_UART_TX_PARITY_CFG);
+ writel_relaxed(bits_per_char, uport->membase + SE_UART_TX_WORD_LEN);
+ writel_relaxed(stop_bit, uport->membase + SE_UART_TX_STOP_BIT_LEN);
+
+ dev->con->write = msm_geni_serial_early_console_write;
+ dev->con->setup = NULL;
+exit:
+ return ret;
+}
+
+OF_EARLYCON_DECLARE(msm_geni_serial, "qcom,msm-geni-console",
+ msm_geni_serial_earlycon_setup);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 046bedc..693021a 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -222,11 +222,7 @@ static int uart_port_startup(struct tty_struct *tty, struct uart_state *state,
if (retval == 0) {
if (uart_console(uport) && uport->cons->cflag) {
tty->termios.c_cflag = uport->cons->cflag;
- tty->termios.c_ispeed = uport->cons->ispeed;
- tty->termios.c_ospeed = uport->cons->ospeed;
uport->cons->cflag = 0;
- uport->cons->ispeed = 0;
- uport->cons->ospeed = 0;
}
/*
* Initialise the hardware port settings.
@@ -294,11 +290,8 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state)
/*
* Turn off DTR and RTS early.
*/
- if (uport && uart_console(uport) && tty) {
+ if (uport && uart_console(uport) && tty)
uport->cons->cflag = tty->termios.c_cflag;
- uport->cons->ispeed = tty->termios.c_ispeed;
- uport->cons->ospeed = tty->termios.c_ospeed;
- }
if (!tty || C_HUPCL(tty))
uart_port_dtr_rts(uport, 0);
@@ -2146,11 +2139,8 @@ uart_set_options(struct uart_port *port, struct console *co,
* Allow the setting of the UART parameters with a NULL console
* too:
*/
- if (co) {
+ if (co)
co->cflag = termios.c_cflag;
- co->ispeed = termios.c_ispeed;
- co->ospeed = termios.c_ospeed;
- }
return 0;
}
@@ -2284,8 +2274,6 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
*/
memset(&termios, 0, sizeof(struct ktermios));
termios.c_cflag = uport->cons->cflag;
- termios.c_ispeed = uport->cons->ispeed;
- termios.c_ospeed = uport->cons->ospeed;
/*
* If that's unset, use the tty termios setting.
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 959f9e1..8f01cde 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -55,6 +55,8 @@
#include <asm/ptrace.h>
#include <asm/irq_regs.h>
+#include <trace/hooks/sysrqcrash.h>
+
/* Whether we react on sysrq keys or just ignore them */
static int __read_mostly sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE;
static bool __read_mostly sysrq_always_enabled;
@@ -151,6 +153,8 @@ static void sysrq_handle_crash(int key)
/* release the RCU read lock before crashing */
rcu_read_unlock();
+ trace_android_vh_sysrq_crash(current);
+
panic("sysrq triggered crash\n");
}
static const struct sysrq_key_op sysrq_crash_op = {
diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
index 1433260..347fb3d 100644
--- a/drivers/usb/common/common.c
+++ b/drivers/usb/common/common.c
@@ -25,6 +25,12 @@ static const char *const ep_type_names[] = {
[USB_ENDPOINT_XFER_INT] = "intr",
};
+/**
+ * usb_ep_type_string() - Returns human readable-name of the endpoint type.
+ * @ep_type: The endpoint type to return human-readable name for. If it's not
+ * any of the types: USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT},
+ * usually got by usb_endpoint_type(), the string 'unknown' will be returned.
+ */
const char *usb_ep_type_string(int ep_type)
{
if (ep_type < 0 || ep_type >= ARRAY_SIZE(ep_type_names))
@@ -69,6 +75,19 @@ static const char *const speed_names[] = {
[USB_SPEED_SUPER_PLUS] = "super-speed-plus",
};
+static const char *const ssp_rate[] = {
+ [USB_SSP_GEN_UNKNOWN] = "UNKNOWN",
+ [USB_SSP_GEN_2x1] = "super-speed-plus-gen2x1",
+ [USB_SSP_GEN_1x2] = "super-speed-plus-gen1x2",
+ [USB_SSP_GEN_2x2] = "super-speed-plus-gen2x2",
+};
+
+/**
+ * usb_speed_string() - Returns human readable-name of the speed.
+ * @speed: The speed to return human-readable name for. If it's not
+ * any of the speeds defined in usb_device_speed enum, string for
+ * USB_SPEED_UNKNOWN will be returned.
+ */
const char *usb_speed_string(enum usb_device_speed speed)
{
if (speed < 0 || speed >= ARRAY_SIZE(speed_names))
@@ -77,6 +96,14 @@ const char *usb_speed_string(enum usb_device_speed speed)
}
EXPORT_SYMBOL_GPL(usb_speed_string);
+/**
+ * usb_get_maximum_speed - Get maximum requested speed for a given USB
+ * controller.
+ * @dev: Pointer to the given USB controller device
+ *
+ * The function gets the maximum speed string from property "maximum-speed",
+ * and returns the corresponding enum usb_device_speed.
+ */
enum usb_device_speed usb_get_maximum_speed(struct device *dev)
{
const char *maximum_speed;
@@ -86,12 +113,44 @@ enum usb_device_speed usb_get_maximum_speed(struct device *dev)
if (ret < 0)
return USB_SPEED_UNKNOWN;
- ret = match_string(speed_names, ARRAY_SIZE(speed_names), maximum_speed);
+ ret = match_string(ssp_rate, ARRAY_SIZE(ssp_rate), maximum_speed);
+ if (ret > 0)
+ return USB_SPEED_SUPER_PLUS;
+ ret = match_string(speed_names, ARRAY_SIZE(speed_names), maximum_speed);
return (ret < 0) ? USB_SPEED_UNKNOWN : ret;
}
EXPORT_SYMBOL_GPL(usb_get_maximum_speed);
+/**
+ * usb_get_maximum_ssp_rate - Get the signaling rate generation and lane count
+ * of a SuperSpeed Plus capable device.
+ * @dev: Pointer to the given USB controller device
+ *
+ * If the string from "maximum-speed" property is super-speed-plus-genXxY where
+ * 'X' is the generation number and 'Y' is the number of lanes, then this
+ * function returns the corresponding enum usb_ssp_rate.
+ */
+enum usb_ssp_rate usb_get_maximum_ssp_rate(struct device *dev)
+{
+ const char *maximum_speed;
+ int ret;
+
+ ret = device_property_read_string(dev, "maximum-speed", &maximum_speed);
+ if (ret < 0)
+ return USB_SSP_GEN_UNKNOWN;
+
+ ret = match_string(ssp_rate, ARRAY_SIZE(ssp_rate), maximum_speed);
+ return (ret < 0) ? USB_SSP_GEN_UNKNOWN : ret;
+}
+EXPORT_SYMBOL_GPL(usb_get_maximum_ssp_rate);
+
+/**
+ * usb_state_string - Returns human readable name for the state.
+ * @state: The state to return a human-readable name for. If it's not
+ * any of the states devices in usb_device_state_string enum,
+ * the string UNKNOWN will be returned.
+ */
const char *usb_state_string(enum usb_device_state state)
{
static const char *const names[] = {
@@ -141,6 +200,47 @@ enum usb_dr_mode usb_get_dr_mode(struct device *dev)
}
EXPORT_SYMBOL_GPL(usb_get_dr_mode);
+/**
+ * usb_decode_interval - Decode bInterval into the time expressed in 1us unit
+ * @epd: The descriptor of the endpoint
+ * @speed: The speed that the endpoint works as
+ *
+ * Function returns the interval expressed in 1us unit for servicing
+ * endpoint for data transfers.
+ */
+unsigned int usb_decode_interval(const struct usb_endpoint_descriptor *epd,
+ enum usb_device_speed speed)
+{
+ unsigned int interval = 0;
+
+ switch (usb_endpoint_type(epd)) {
+ case USB_ENDPOINT_XFER_CONTROL:
+ /* uframes per NAK */
+ if (speed == USB_SPEED_HIGH)
+ interval = epd->bInterval;
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ interval = 1 << (epd->bInterval - 1);
+ break;
+ case USB_ENDPOINT_XFER_BULK:
+ /* uframes per NAK */
+ if (speed == USB_SPEED_HIGH && usb_endpoint_dir_out(epd))
+ interval = epd->bInterval;
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ if (speed >= USB_SPEED_HIGH)
+ interval = 1 << (epd->bInterval - 1);
+ else
+ interval = epd->bInterval;
+ break;
+ }
+
+ interval *= (speed >= USB_SPEED_HIGH) ? 125 : 1000;
+
+ return interval;
+}
+EXPORT_SYMBOL_GPL(usb_decode_interval);
+
#ifdef CONFIG_OF
/**
* of_usb_get_dr_mode_by_phy - Get dual role mode for the controller device
diff --git a/drivers/usb/common/debug.c b/drivers/usb/common/debug.c
index ba849c7..a76a086 100644
--- a/drivers/usb/common/debug.c
+++ b/drivers/usb/common/debug.c
@@ -207,8 +207,26 @@ static void usb_decode_set_isoch_delay(__u8 wValue, char *str, size_t size)
snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", wValue);
}
-/*
- * usb_decode_ctrl - returns a string representation of ctrl request
+/**
+ * usb_decode_ctrl - Returns human readable representation of control request.
+ * @str: buffer to return a human-readable representation of control request.
+ * This buffer should have about 200 bytes.
+ * @size: size of str buffer.
+ * @bRequestType: matches the USB bmRequestType field
+ * @bRequest: matches the USB bRequest field
+ * @wValue: matches the USB wValue field (CPU byte order)
+ * @wIndex: matches the USB wIndex field (CPU byte order)
+ * @wLength: matches the USB wLength field (CPU byte order)
+ *
+ * Function returns decoded, formatted and human-readable description of
+ * control request packet.
+ *
+ * The usage scenario for this is for tracepoints, so function as a return
+ * use the same value as in parameters. This approach allows to use this
+ * function in TP_printk
+ *
+ * Important: wValue, wIndex, wLength parameters before invoking this function
+ * should be processed by le16_to_cpu macro.
*/
const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
__u8 bRequest, __u16 wValue, __u16 wIndex,
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 1ef2de6..d8b0041 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -157,38 +157,25 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
switch (usb_endpoint_type(desc)) {
case USB_ENDPOINT_XFER_CONTROL:
type = "Ctrl";
- if (speed == USB_SPEED_HIGH) /* uframes per NAK */
- interval = desc->bInterval;
- else
- interval = 0;
dir = 'B'; /* ctrl is bidirectional */
break;
case USB_ENDPOINT_XFER_ISOC:
type = "Isoc";
- interval = 1 << (desc->bInterval - 1);
break;
case USB_ENDPOINT_XFER_BULK:
type = "Bulk";
- if (speed == USB_SPEED_HIGH && dir == 'O') /* uframes per NAK */
- interval = desc->bInterval;
- else
- interval = 0;
break;
case USB_ENDPOINT_XFER_INT:
type = "Int.";
- if (speed == USB_SPEED_HIGH || speed >= USB_SPEED_SUPER)
- interval = 1 << (desc->bInterval - 1);
- else
- interval = desc->bInterval;
break;
default: /* "can't happen" */
return start;
}
- interval *= (speed == USB_SPEED_HIGH ||
- speed >= USB_SPEED_SUPER) ? 125 : 1000;
- if (interval % 1000)
+
+ interval = usb_decode_interval(desc, speed);
+ if (interval % 1000) {
unit = 'u';
- else {
+ } else {
unit = 'm';
interval /= 1000;
}
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 4dfa44d..6253dce 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -34,6 +34,7 @@
#include "usb.h"
+#include <trace/hooks/usb.h>
/*
* Adds a new dynamic USBdevice ID to this driver,
@@ -1403,11 +1404,16 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
int status = 0;
int i = 0, n = 0;
struct usb_interface *intf;
+ int bypass = 0;
if (udev->state == USB_STATE_NOTATTACHED ||
udev->state == USB_STATE_SUSPENDED)
goto done;
+ trace_android_vh_usb_dev_suspend(udev, msg, &bypass);
+ if (bypass)
+ goto done;
+
/* Suspend all the interfaces and then udev itself */
if (udev->actconfig) {
n = udev->actconfig->desc.bNumInterfaces;
@@ -1504,11 +1510,17 @@ static int usb_resume_both(struct usb_device *udev, pm_message_t msg)
int status = 0;
int i;
struct usb_interface *intf;
+ int bypass = 0;
if (udev->state == USB_STATE_NOTATTACHED) {
status = -ENODEV;
goto done;
}
+
+ trace_android_vh_usb_dev_resume(udev, msg, &bypass);
+ if (bypass)
+ goto done;
+
udev->can_submit = 1;
/* Resume the device */
diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c
index 1c2c040..fc3341f 100644
--- a/drivers/usb/core/endpoint.c
+++ b/drivers/usb/core/endpoint.c
@@ -84,40 +84,13 @@ static ssize_t interval_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct ep_device *ep = to_ep_device(dev);
+ unsigned int interval;
char unit;
- unsigned interval = 0;
- unsigned in;
- in = (ep->desc->bEndpointAddress & USB_DIR_IN);
-
- switch (usb_endpoint_type(ep->desc)) {
- case USB_ENDPOINT_XFER_CONTROL:
- if (ep->udev->speed == USB_SPEED_HIGH)
- /* uframes per NAK */
- interval = ep->desc->bInterval;
- break;
-
- case USB_ENDPOINT_XFER_ISOC:
- interval = 1 << (ep->desc->bInterval - 1);
- break;
-
- case USB_ENDPOINT_XFER_BULK:
- if (ep->udev->speed == USB_SPEED_HIGH && !in)
- /* uframes per NAK */
- interval = ep->desc->bInterval;
- break;
-
- case USB_ENDPOINT_XFER_INT:
- if (ep->udev->speed == USB_SPEED_HIGH)
- interval = 1 << (ep->desc->bInterval - 1);
- else
- interval = ep->desc->bInterval;
- break;
- }
- interval *= (ep->udev->speed == USB_SPEED_HIGH) ? 125 : 1000;
- if (interval % 1000)
+ interval = usb_decode_interval(ep->desc, ep->udev->speed);
+ if (interval % 1000) {
unit = 'u';
- else {
+ } else {
unit = 'm';
interval /= 1000;
}
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 267543c..92df3d6 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -177,7 +177,10 @@ static void dwc2_set_stm32mp15_fsotg_params(struct dwc2_hsotg *hsotg)
p->i2c_enable = false;
p->activate_stm_fs_transceiver = true;
p->activate_stm_id_vb_detection = true;
+ p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
+ p->host_support_fs_ls_low_power = true;
+ p->host_ls_low_power_phy_clk = true;
}
static void dwc2_set_stm32mp15_hsotg_params(struct dwc2_hsotg *hsotg)
@@ -189,7 +192,12 @@ static void dwc2_set_stm32mp15_hsotg_params(struct dwc2_hsotg *hsotg)
p->host_rx_fifo_size = 440;
p->host_nperio_tx_fifo_size = 256;
p->host_perio_tx_fifo_size = 256;
+ p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 << GAHBCFG_HBSTLEN_SHIFT;
p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
+ p->lpm = false;
+ p->lpm_clock_gating = false;
+ p->besl = false;
+ p->hird_threshold_en = false;
}
const struct of_device_id dwc2_of_match_table[] = {
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 7a23045..2133acf 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -139,4 +139,14 @@
for peripheral mode support.
Say 'Y' or 'M' if you have one such device.
+config USB_DWC3_IMX8MP
+ tristate "NXP iMX8MP Platform"
+ depends on OF && COMMON_CLK
+ depends on (ARCH_MXC && ARM64) || COMPILE_TEST
+ default USB_DWC3
+ help
+ NXP iMX8M Plus SoC use DesignWare Core IP for USB2/3
+ functionality.
+ Say 'Y' or 'M' if you have one such device.
+
endif
diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile
index ae86da0..2259f88 100644
--- a/drivers/usb/dwc3/Makefile
+++ b/drivers/usb/dwc3/Makefile
@@ -51,3 +51,4 @@
obj-$(CONFIG_USB_DWC3_OF_SIMPLE) += dwc3-of-simple.o
obj-$(CONFIG_USB_DWC3_ST) += dwc3-st.o
obj-$(CONFIG_USB_DWC3_QCOM) += dwc3-qcom.o
+obj-$(CONFIG_USB_DWC3_IMX8MP) += dwc3-imx8mp.o
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 1580d51..cb514a3 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -554,6 +554,9 @@ static void dwc3_cache_hwparams(struct dwc3 *dwc)
parms->hwparams6 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS6);
parms->hwparams7 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS7);
parms->hwparams8 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS8);
+
+ if (DWC3_IP_IS(DWC32))
+ parms->hwparams9 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS9);
}
static int dwc3_core_ulpi_init(struct dwc3 *dwc)
@@ -1043,6 +1046,15 @@ static int dwc3_core_init(struct dwc3 *dwc)
if (!DWC3_VER_IS_PRIOR(DWC3, 290A))
reg |= DWC3_GUCTL1_DEV_L1_EXIT_BY_HW;
+ /*
+ * Decouple USB 2.0 L1 & L2 events which will allow for
+ * gadget driver to only receive U3/L2 suspend & wakeup
+ * events and prevent the more frequent L1 LPM transitions
+ * from interrupting the driver.
+ */
+ if (!DWC3_VER_IS_PRIOR(DWC3, 300A))
+ reg |= DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT;
+
if (dwc->dis_tx_ipgap_linecheck_quirk)
reg |= DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS;
@@ -1148,11 +1160,8 @@ static int dwc3_core_get_phy(struct dwc3 *dwc)
ret = PTR_ERR(dwc->usb2_phy);
if (ret == -ENXIO || ret == -ENODEV) {
dwc->usb2_phy = NULL;
- } else if (ret == -EPROBE_DEFER) {
- return ret;
} else {
- dev_err(dev, "no usb2 phy configured\n");
- return ret;
+ return dev_err_probe(dev, ret, "no usb2 phy configured\n");
}
}
@@ -1160,11 +1169,8 @@ static int dwc3_core_get_phy(struct dwc3 *dwc)
ret = PTR_ERR(dwc->usb3_phy);
if (ret == -ENXIO || ret == -ENODEV) {
dwc->usb3_phy = NULL;
- } else if (ret == -EPROBE_DEFER) {
- return ret;
} else {
- dev_err(dev, "no usb3 phy configured\n");
- return ret;
+ return dev_err_probe(dev, ret, "no usb3 phy configured\n");
}
}
@@ -1173,11 +1179,8 @@ static int dwc3_core_get_phy(struct dwc3 *dwc)
ret = PTR_ERR(dwc->usb2_generic_phy);
if (ret == -ENOSYS || ret == -ENODEV) {
dwc->usb2_generic_phy = NULL;
- } else if (ret == -EPROBE_DEFER) {
- return ret;
} else {
- dev_err(dev, "no usb2 phy configured\n");
- return ret;
+ return dev_err_probe(dev, ret, "no usb2 phy configured\n");
}
}
@@ -1186,11 +1189,8 @@ static int dwc3_core_get_phy(struct dwc3 *dwc)
ret = PTR_ERR(dwc->usb3_generic_phy);
if (ret == -ENOSYS || ret == -ENODEV) {
dwc->usb3_generic_phy = NULL;
- } else if (ret == -EPROBE_DEFER) {
- return ret;
} else {
- dev_err(dev, "no usb3 phy configured\n");
- return ret;
+ return dev_err_probe(dev, ret, "no usb3 phy configured\n");
}
}
@@ -1212,11 +1212,8 @@ static int dwc3_core_init_mode(struct dwc3 *dwc)
phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_DEVICE);
ret = dwc3_gadget_init(dwc);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to initialize gadget\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to initialize gadget\n");
break;
case USB_DR_MODE_HOST:
dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_HOST);
@@ -1227,20 +1224,14 @@ static int dwc3_core_init_mode(struct dwc3 *dwc)
phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_HOST);
ret = dwc3_host_init(dwc);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to initialize host\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to initialize host\n");
break;
case USB_DR_MODE_OTG:
INIT_WORK(&dwc->drd_work, __dwc3_set_mode);
ret = dwc3_drd_init(dwc);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to initialize dual-role\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to initialize dual-role\n");
break;
default:
dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode);
@@ -1281,6 +1272,9 @@ static void dwc3_get_properties(struct dwc3 *dwc)
u8 rx_max_burst_prd;
u8 tx_thr_num_pkt_prd;
u8 tx_max_burst_prd;
+ u8 tx_fifo_resize_max_num;
+ const char *usb_psy_name;
+ int ret;
/* default to highest possible threshold */
lpm_nyet_threshold = 0xf;
@@ -1294,7 +1288,15 @@ static void dwc3_get_properties(struct dwc3 *dwc)
*/
hird_threshold = 12;
+ /*
+ * default to a TXFIFO size large enough to fit 6 max packets. This
+ * allows for systems with larger bus latencies to have some headroom
+ * for endpoints that have a large bMaxBurst value.
+ */
+ tx_fifo_resize_max_num = 6;
+
dwc->maximum_speed = usb_get_maximum_speed(dev);
+ dwc->max_ssp_rate = usb_get_maximum_ssp_rate(dev);
dwc->dr_mode = usb_get_dr_mode(dev);
dwc->hsphy_mode = of_usb_get_phy_mode(dev->of_node);
@@ -1305,6 +1307,13 @@ static void dwc3_get_properties(struct dwc3 *dwc)
else
dwc->sysdev = dwc->dev;
+ ret = device_property_read_string(dev, "usb-psy-name", &usb_psy_name);
+ if (ret >= 0) {
+ dwc->usb_psy = power_supply_get_by_name(usb_psy_name);
+ if (!dwc->usb_psy)
+ dev_err(dev, "couldn't get usb power supply\n");
+ }
+
dwc->has_lpm_erratum = device_property_read_bool(dev,
"snps,has-lpm-erratum");
device_property_read_u8(dev, "snps,lpm-nyet-threshold",
@@ -1329,6 +1338,11 @@ static void dwc3_get_properties(struct dwc3 *dwc)
&tx_thr_num_pkt_prd);
device_property_read_u8(dev, "snps,tx-max-burst-prd",
&tx_max_burst_prd);
+ dwc->do_fifo_resize = device_property_read_bool(dev,
+ "tx-fifo-resize");
+ if (dwc->do_fifo_resize)
+ device_property_read_u8(dev, "tx-fifo-max-num",
+ &tx_fifo_resize_max_num);
dwc->disable_scramble_quirk = device_property_read_bool(dev,
"snps,disable_scramble_quirk");
@@ -1394,6 +1408,8 @@ static void dwc3_get_properties(struct dwc3 *dwc)
dwc->tx_max_burst_prd = tx_max_burst_prd;
dwc->imod_interval = 0;
+
+ dwc->tx_fifo_resize_max_num = tx_fifo_resize_max_num;
}
/* check whether the core supports IMOD */
@@ -1468,21 +1484,59 @@ static void dwc3_check_params(struct dwc3 *dwc)
}
break;
}
+
+ /*
+ * Currently the controller does not have visibility into the HW
+ * parameter to determine the maximum number of lanes the HW supports.
+ * If the number of lanes is not specified in the device property, then
+ * set the default to support dual-lane for DWC_usb32 and single-lane
+ * for DWC_usb31 for super-speed-plus.
+ */
+ if (dwc->maximum_speed == USB_SPEED_SUPER_PLUS) {
+ switch (dwc->max_ssp_rate) {
+ case USB_SSP_GEN_2x1:
+ if (hwparam_gen == DWC3_GHWPARAMS3_SSPHY_IFC_GEN1)
+ dev_warn(dev, "UDC only supports Gen 1\n");
+ break;
+ case USB_SSP_GEN_1x2:
+ case USB_SSP_GEN_2x2:
+ if (DWC3_IP_IS(DWC31))
+ dev_warn(dev, "UDC only supports single lane\n");
+ break;
+ case USB_SSP_GEN_UNKNOWN:
+ default:
+ switch (hwparam_gen) {
+ case DWC3_GHWPARAMS3_SSPHY_IFC_GEN2:
+ if (DWC3_IP_IS(DWC32))
+ dwc->max_ssp_rate = USB_SSP_GEN_2x2;
+ else
+ dwc->max_ssp_rate = USB_SSP_GEN_2x1;
+ break;
+ case DWC3_GHWPARAMS3_SSPHY_IFC_GEN1:
+ if (DWC3_IP_IS(DWC32))
+ dwc->max_ssp_rate = USB_SSP_GEN_1x2;
+ break;
+ }
+ break;
+ }
+ }
}
static int dwc3_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct resource *res, dwc_res;
+ struct dwc3_vendor *vdwc;
struct dwc3 *dwc;
int ret;
void __iomem *regs;
- dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL);
- if (!dwc)
+ vdwc = devm_kzalloc(dev, sizeof(*vdwc), GFP_KERNEL);
+ if (!vdwc)
return -ENOMEM;
+ dwc = &vdwc->dwc;
dwc->dev = dev;
@@ -1514,7 +1568,7 @@ static int dwc3_probe(struct platform_device *pdev)
dwc3_get_properties(dwc);
- dwc->reset = devm_reset_control_array_get(dev, true, true);
+ dwc->reset = devm_reset_control_array_get_optional_shared(dev);
if (IS_ERR(dwc->reset))
return PTR_ERR(dwc->reset);
@@ -1580,8 +1634,7 @@ static int dwc3_probe(struct platform_device *pdev)
ret = dwc3_core_init(dwc);
if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to initialize core: %d\n", ret);
+ dev_err_probe(dev, ret, "failed to initialize core\n");
goto err4;
}
@@ -1630,6 +1683,9 @@ static int dwc3_probe(struct platform_device *pdev)
assert_reset:
reset_control_assert(dwc->reset);
+ if (dwc->usb_psy)
+ power_supply_put(dwc->usb_psy);
+
return ret;
}
@@ -1652,6 +1708,9 @@ static int dwc3_remove(struct platform_device *pdev)
dwc3_free_event_buffers(dwc);
dwc3_free_scratch_buffers(dwc);
+ if (dwc->usb_psy)
+ power_supply_put(dwc->usb_psy);
+
return 0;
}
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 79e1b82..c6b05d6 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -22,6 +22,7 @@
#include <linux/debugfs.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
+#include <linux/android_kabi.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
@@ -31,6 +32,8 @@
#include <linux/phy/phy.h>
+#include <linux/power_supply.h>
+
#define DWC3_MSG_MAX 500
/* Global constants */
@@ -55,7 +58,7 @@
#define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3
#define DWC3_DEVICE_EVENT_WAKEUP 4
#define DWC3_DEVICE_EVENT_HIBER_REQ 5
-#define DWC3_DEVICE_EVENT_EOPF 6
+#define DWC3_DEVICE_EVENT_SUSPEND 6
#define DWC3_DEVICE_EVENT_SOF 7
#define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9
#define DWC3_DEVICE_EVENT_CMD_CMPL 10
@@ -141,6 +144,7 @@
#define DWC3_GHWPARAMS8 0xc600
#define DWC3_GUCTL3 0xc60c
#define DWC3_GFLADJ 0xc630
+#define DWC3_GHWPARAMS9 0xc680
/* Device Registers */
#define DWC3_DCFG 0xc700
@@ -253,9 +257,10 @@
#define DWC3_GUCTL_HSTINAUTORETRY BIT(14)
/* Global User Control 1 Register */
-#define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17)
+#define DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT BIT(31)
#define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28)
-#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24)
+#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24)
+#define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17)
/* Global Status Register */
#define DWC3_GSTS_OTG_IP BIT(10)
@@ -376,6 +381,9 @@
#define DWC3_GHWPARAMS7_RAM1_DEPTH(n) ((n) & 0xffff)
#define DWC3_GHWPARAMS7_RAM2_DEPTH(n) (((n) >> 16) & 0xffff)
+/* Global HWPARAMS9 Register */
+#define DWC3_GHWPARAMS9_DEV_TXF_FLUSH_BYPASS BIT(0)
+
/* Global Frame Length Adjustment Register */
#define DWC3_GFLADJ_30MHZ_SDBND_SEL BIT(7)
#define DWC3_GFLADJ_30MHZ_MASK 0x3f
@@ -387,6 +395,8 @@
#define DWC3_GUCTL3_SPLITDISABLE BIT(14)
/* Device Configuration Register */
+#define DWC3_DCFG_NUMLANES(n) (((n) & 0x3) << 30) /* DWC_usb32 only */
+
#define DWC3_DCFG_DEVADDR(addr) ((addr) << 3)
#define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f)
@@ -401,6 +411,7 @@
#define DWC3_DCFG_NUMP(n) (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f)
#define DWC3_DCFG_NUMP_MASK (0x1f << DWC3_DCFG_NUMP_SHIFT)
#define DWC3_DCFG_LPM_CAP BIT(22)
+#define DWC3_DCFG_IGNSTRMPP BIT(23)
/* Device Control Register */
#define DWC3_DCTL_RUN_STOP BIT(31)
@@ -452,7 +463,7 @@
#define DWC3_DEVTEN_CMDCMPLTEN BIT(10)
#define DWC3_DEVTEN_ERRTICERREN BIT(9)
#define DWC3_DEVTEN_SOFEN BIT(7)
-#define DWC3_DEVTEN_EOPFEN BIT(6)
+#define DWC3_DEVTEN_U3L2L1SUSPEN BIT(6)
#define DWC3_DEVTEN_HIBERNATIONREQEVTEN BIT(5)
#define DWC3_DEVTEN_WKUPEVTEN BIT(4)
#define DWC3_DEVTEN_ULSTCNGEN BIT(3)
@@ -460,6 +471,8 @@
#define DWC3_DEVTEN_USBRSTEN BIT(1)
#define DWC3_DEVTEN_DISCONNEVTEN BIT(0)
+#define DWC3_DSTS_CONNLANES(n) (((n) >> 30) & 0x3) /* DWC_usb32 only */
+
/* Device Status Register */
#define DWC3_DSTS_DCNRD BIT(29)
@@ -650,6 +663,8 @@ struct dwc3_event_buffer {
dma_addr_t dma;
struct dwc3 *dwc;
+
+ ANDROID_KABI_RESERVE(1);
};
#define DWC3_EP_FLAG_STALLED BIT(0)
@@ -713,6 +728,7 @@ struct dwc3_ep {
#define DWC3_EP_FORCE_RESTART_STREAM BIT(9)
#define DWC3_EP_FIRST_STREAM_PRIMED BIT(10)
#define DWC3_EP_PENDING_CLEAR_STALL BIT(11)
+#define DWC3_EP_TXFIFO_RESIZED BIT(12)
/* This last one is specific to EP0 */
#define DWC3_EP0_DIR_IN BIT(31)
@@ -743,6 +759,9 @@ struct dwc3_ep {
/* For isochronous START TRANSFER workaround only */
u8 combo_num;
int start_cmd_status;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
enum dwc3_phy {
@@ -841,6 +860,7 @@ struct dwc3_trb {
* @hwparams6: GHWPARAMS6
* @hwparams7: GHWPARAMS7
* @hwparams8: GHWPARAMS8
+ * @hwparams9: GHWPARAMS9
*/
struct dwc3_hwparams {
u32 hwparams0;
@@ -852,13 +872,15 @@ struct dwc3_hwparams {
u32 hwparams6;
u32 hwparams7;
u32 hwparams8;
+ u32 hwparams9;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/* HWPARAMS0 */
#define DWC3_MODE(n) ((n) & 0x7)
-#define DWC3_MDWIDTH(n) (((n) & 0xff00) >> 8)
-
/* HWPARAMS1 */
#define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15)
@@ -905,11 +927,13 @@ struct dwc3_request {
unsigned int remaining;
unsigned int status;
-#define DWC3_REQUEST_STATUS_QUEUED 0
-#define DWC3_REQUEST_STATUS_STARTED 1
-#define DWC3_REQUEST_STATUS_CANCELLED 2
-#define DWC3_REQUEST_STATUS_COMPLETED 3
-#define DWC3_REQUEST_STATUS_UNKNOWN -1
+#define DWC3_REQUEST_STATUS_QUEUED 0
+#define DWC3_REQUEST_STATUS_STARTED 1
+#define DWC3_REQUEST_STATUS_DISCONNECTED 2
+#define DWC3_REQUEST_STATUS_DEQUEUED 3
+#define DWC3_REQUEST_STATUS_STALLED 4
+#define DWC3_REQUEST_STATUS_COMPLETED 5
+#define DWC3_REQUEST_STATUS_UNKNOWN -1
u8 epnum;
struct dwc3_trb *trb;
@@ -920,6 +944,9 @@ struct dwc3_request {
unsigned int needs_extra_trb:1;
unsigned int direction:1;
unsigned int mapped:1;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/*
@@ -966,6 +993,10 @@ struct dwc3_scratchpad_array {
* @nr_scratch: number of scratch buffers
* @u1u2: only used on revisions <1.83a for workaround
* @maximum_speed: maximum speed requested (mainly for testing purposes)
+ * @max_ssp_rate: SuperSpeed Plus maximum signaling rate and lane count
+ * @gadget_max_speed: maximum gadget speed requested
+ * @gadget_ssp_rate: Gadget driver's maximum supported SuperSpeed Plus signaling
+ * rate and lane count.
* @ip: controller's ID
* @revision: controller's version of an IP
* @version_type: VERSIONTYPE register contents, a sub release of a revision
@@ -980,6 +1011,7 @@ struct dwc3_scratchpad_array {
* @role_sw: usb_role_switch handle
* @role_switch_default_mode: default operation mode of controller while
* usb role is USB_ROLE_NONE.
+ * @usb_psy: pointer to power supply interface.
* @usb2_phy: pointer to USB2 PHY
* @usb3_phy: pointer to USB3 PHY
* @usb2_generic_phy: pointer to USB2 PHY
@@ -1008,6 +1040,7 @@ struct dwc3_scratchpad_array {
* @rx_max_burst_prd: max periodic ESS receive burst size
* @tx_thr_num_pkt_prd: periodic ESS transmit packet count
* @tx_max_burst_prd: max periodic ESS transmit burst size
+ * @tx_fifo_resize_max_num: max number of fifos allocated during txfifo resize
* @hsphy_interface: "utmi" or "ulpi"
* @connected: true when we're connected to a host, false otherwise
* @delayed_status: true when gadget driver asks for delayed status
@@ -1022,6 +1055,7 @@ struct dwc3_scratchpad_array {
* 1 - utmi_l1_suspend_n
* @is_fpga: true when we are using the FPGA board
* @pending_events: true when we have pending IRQs to be handled
+ * @do_fifo_resize: true when txfifo resizing is enabled for dwc3 endpoints
* @pullups_connected: true when Run/Stop bit is set
* @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround
* @three_stage_setup: set if we perform a three phase setup
@@ -1064,6 +1098,11 @@ struct dwc3_scratchpad_array {
* @dis_split_quirk: set to disable split boundary.
* @imod_interval: set the interrupt moderation interval in 250ns
* increments or 0 to disable.
+ * @max_cfg_eps: current max number of IN eps used across all USB configs.
+ * @last_fifo_depth: last fifo depth used to determine next fifo ram start
+ * address.
+ * @num_ep_resized: carries the current number endpoints which have had its tx
+ * fifo resized.
*/
struct dwc3 {
struct work_struct drd_work;
@@ -1123,6 +1162,8 @@ struct dwc3 {
struct usb_role_switch *role_sw;
enum usb_dr_mode role_switch_default_mode;
+ struct power_supply *usb_psy;
+
u32 fladj;
u32 irq_gadget;
u32 otg_irq;
@@ -1132,6 +1173,9 @@ struct dwc3 {
u32 nr_scratch;
u32 u1u2;
u32 maximum_speed;
+ u32 gadget_max_speed;
+ enum usb_ssp_rate max_ssp_rate;
+ enum usb_ssp_rate gadget_ssp_rate;
u32 ip;
@@ -1214,6 +1258,7 @@ struct dwc3 {
u8 rx_max_burst_prd;
u8 tx_thr_num_pkt_prd;
u8 tx_max_burst_prd;
+ u8 tx_fifo_resize_max_num;
const char *hsphy_interface;
@@ -1227,6 +1272,7 @@ struct dwc3 {
unsigned is_utmi_l1_suspend:1;
unsigned is_fpga:1;
unsigned pending_events:1;
+ unsigned do_fifo_resize:1;
unsigned pullups_connected:1;
unsigned setup_packet_pending:1;
unsigned three_stage_setup:1;
@@ -1260,8 +1306,28 @@ struct dwc3 {
unsigned dis_metastability_quirk:1;
unsigned dis_split_quirk:1;
+ unsigned async_callbacks:1;
u16 imod_interval;
+
+ int max_cfg_eps;
+ int last_fifo_depth;
+ int num_ep_resized;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+};
+
+/**
+ * struct dwc3_vendor - contains parameters without modifying the format of DWC3 core
+ * @dwc: contains dwc3 core reference
+ * @softconnect: true when gadget connect is called, false when disconnect runs
+ */
+struct dwc3_vendor {
+ struct dwc3 dwc;
+ unsigned softconnect:1;
};
#define INCRX_BURST_MODE 0
@@ -1354,7 +1420,7 @@ struct dwc3_event_depevt {
* 3 - ULStChng
* 4 - WkUpEvt
* 5 - Reserved
- * 6 - EOPF
+ * 6 - Suspend (EOPF on revisions 2.10a and prior)
* 7 - SOF
* 8 - Reserved
* 9 - ErrticErr
@@ -1451,6 +1517,23 @@ u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type);
(!(_ip##_VERSIONTYPE_##_to) || \
dwc->version_type <= _ip##_VERSIONTYPE_##_to))
+/**
+ * dwc3_mdwidth - get MDWIDTH value in bits
+ * @dwc: pointer to our context structure
+ *
+ * Return MDWIDTH configuration value in bits.
+ */
+static inline u32 dwc3_mdwidth(struct dwc3 *dwc)
+{
+ u32 mdwidth;
+
+ mdwidth = DWC3_GHWPARAMS0_MDWIDTH(dwc->hwparams.hwparams0);
+ if (DWC3_IP_IS(DWC32))
+ mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+
+ return mdwidth;
+}
+
bool dwc3_has_imod(struct dwc3 *dwc);
int dwc3_event_buffers_setup(struct dwc3 *dwc);
@@ -1476,6 +1559,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
struct dwc3_gadget_ep_cmd_params *params);
int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd,
u32 param);
+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool interrupt);
+void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc);
#else
static inline int dwc3_gadget_init(struct dwc3 *dwc)
{ return 0; }
@@ -1495,6 +1580,11 @@ static inline int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc,
int cmd, u32 param)
{ return 0; }
+static inline void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+ bool interrupt)
+{ }
+static inline void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc)
+{ }
#endif
#if IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
index 74d9c2c..b2aa727 100644
--- a/drivers/usb/dwc3/debug.h
+++ b/drivers/usb/dwc3/debug.h
@@ -221,8 +221,8 @@ static inline const char *dwc3_gadget_event_string(char *str, size_t size,
snprintf(str, size, "WakeUp [%s]",
dwc3_gadget_link_string(state));
break;
- case DWC3_DEVICE_EVENT_EOPF:
- snprintf(str, size, "End-Of-Frame [%s]",
+ case DWC3_DEVICE_EVENT_SUSPEND:
+ snprintf(str, size, "Suspend [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_SOF:
@@ -353,8 +353,8 @@ static inline const char *dwc3_gadget_event_type_string(u8 event)
return "Wake-Up";
case DWC3_DEVICE_EVENT_HIBER_REQ:
return "Hibernation";
- case DWC3_DEVICE_EVENT_EOPF:
- return "End of Periodic Frame";
+ case DWC3_DEVICE_EVENT_SUSPEND:
+ return "Suspend";
case DWC3_DEVICE_EVENT_SOF:
return "Start of Frame";
case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index 3ebe3e6..23f4682 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -638,16 +638,14 @@ static int dwc3_tx_fifo_size_show(struct seq_file *s, void *unused)
struct dwc3_ep *dep = s->private;
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
- int mdwidth;
+ u32 mdwidth;
u32 val;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_TXFIFO);
/* Convert to bytes */
- mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
- if (DWC3_IP_IS(DWC32))
- mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+ mdwidth = dwc3_mdwidth(dwc);
val *= mdwidth;
val >>= 3;
@@ -662,16 +660,14 @@ static int dwc3_rx_fifo_size_show(struct seq_file *s, void *unused)
struct dwc3_ep *dep = s->private;
struct dwc3 *dwc = dep->dwc;
unsigned long flags;
- int mdwidth;
+ u32 mdwidth;
u32 val;
spin_lock_irqsave(&dwc->lock, flags);
val = dwc3_core_fifo_space(dep, DWC3_RXFIFO);
/* Convert to bytes */
- mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
- if (DWC3_IP_IS(DWC32))
- mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+ mdwidth = dwc3_mdwidth(dwc);
val *= mdwidth;
val >>= 3;
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index 3e1c1aa..e2b68bb 100644
--- a/drivers/usb/dwc3/drd.c
+++ b/drivers/usb/dwc3/drd.c
@@ -441,8 +441,8 @@ static int dwc3_drd_notifier(struct notifier_block *nb,
static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
{
struct device *dev = dwc->dev;
- struct device_node *np_phy, *np_conn;
- struct extcon_dev *edev;
+ struct device_node *np_phy;
+ struct extcon_dev *edev = NULL;
const char *name;
if (device_property_read_bool(dev, "extcon"))
@@ -462,15 +462,22 @@ static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
return edev;
}
+ /*
+ * Try to get an extcon device from the USB PHY controller's "port"
+ * node. Check if it has the "port" node first, to avoid printing the
+ * error message from underlying code, as it's a valid case: extcon
+ * device (and "port" node) may be missing in case of "usb-role-switch"
+ * or OTG mode.
+ */
np_phy = of_parse_phandle(dev->of_node, "phys", 0);
- np_conn = of_graph_get_remote_node(np_phy, -1, -1);
+ if (of_graph_is_present(np_phy)) {
+ struct device_node *np_conn;
- if (np_conn)
- edev = extcon_find_edev_by_node(np_conn);
- else
- edev = NULL;
-
- of_node_put(np_conn);
+ np_conn = of_graph_get_remote_node(np_phy, -1, -1);
+ if (np_conn)
+ edev = extcon_find_edev_by_node(np_conn);
+ of_node_put(np_conn);
+ }
of_node_put(np_phy);
return edev;
diff --git a/drivers/usb/dwc3/dwc3-imx8mp.c b/drivers/usb/dwc3/dwc3-imx8mp.c
new file mode 100644
index 0000000..84c1a4a
--- /dev/null
+++ b/drivers/usb/dwc3/dwc3-imx8mp.c
@@ -0,0 +1,364 @@
+// SPDX-License-Identifier: GPL-2.0
+/**
+ * dwc3-imx8mp.c - NXP imx8mp Specific Glue layer
+ *
+ * Copyright (c) 2020 NXP.
+ */
+
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+
+#include "core.h"
+
+/* USB wakeup registers */
+#define USB_WAKEUP_CTRL 0x00
+
+/* Global wakeup interrupt enable, also used to clear interrupt */
+#define USB_WAKEUP_EN BIT(31)
+/* Wakeup from connect or disconnect, only for superspeed */
+#define USB_WAKEUP_SS_CONN BIT(5)
+/* 0 select vbus_valid, 1 select sessvld */
+#define USB_WAKEUP_VBUS_SRC_SESS_VAL BIT(4)
+/* Enable signal for wake up from u3 state */
+#define USB_WAKEUP_U3_EN BIT(3)
+/* Enable signal for wake up from id change */
+#define USB_WAKEUP_ID_EN BIT(2)
+/* Enable signal for wake up from vbus change */
+#define USB_WAKEUP_VBUS_EN BIT(1)
+/* Enable signal for wake up from dp/dm change */
+#define USB_WAKEUP_DPDM_EN BIT(0)
+
+#define USB_WAKEUP_EN_MASK GENMASK(5, 0)
+
+struct dwc3_imx8mp {
+ struct device *dev;
+ struct platform_device *dwc3;
+ void __iomem *glue_base;
+ struct clk *hsio_clk;
+ struct clk *suspend_clk;
+ int irq;
+ bool pm_suspended;
+ bool wakeup_pending;
+};
+
+static void dwc3_imx8mp_wakeup_enable(struct dwc3_imx8mp *dwc3_imx)
+{
+ struct dwc3 *dwc3 = platform_get_drvdata(dwc3_imx->dwc3);
+ u32 val;
+
+ if (!dwc3)
+ return;
+
+ val = readl(dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+
+ if ((dwc3->current_dr_role == DWC3_GCTL_PRTCAP_HOST) && dwc3->xhci)
+ val |= USB_WAKEUP_EN | USB_WAKEUP_SS_CONN |
+ USB_WAKEUP_U3_EN | USB_WAKEUP_DPDM_EN;
+ else if (dwc3->current_dr_role == DWC3_GCTL_PRTCAP_DEVICE)
+ val |= USB_WAKEUP_EN | USB_WAKEUP_VBUS_EN |
+ USB_WAKEUP_VBUS_SRC_SESS_VAL;
+
+ writel(val, dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+}
+
+static void dwc3_imx8mp_wakeup_disable(struct dwc3_imx8mp *dwc3_imx)
+{
+ u32 val;
+
+ val = readl(dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+ val &= ~(USB_WAKEUP_EN | USB_WAKEUP_EN_MASK);
+ writel(val, dwc3_imx->glue_base + USB_WAKEUP_CTRL);
+}
+
+static irqreturn_t dwc3_imx8mp_interrupt(int irq, void *_dwc3_imx)
+{
+ struct dwc3_imx8mp *dwc3_imx = _dwc3_imx;
+ struct dwc3 *dwc = platform_get_drvdata(dwc3_imx->dwc3);
+
+ if (!dwc3_imx->pm_suspended)
+ return IRQ_HANDLED;
+
+ disable_irq_nosync(dwc3_imx->irq);
+ dwc3_imx->wakeup_pending = true;
+
+ if ((dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST) && dwc->xhci)
+ pm_runtime_resume(&dwc->xhci->dev);
+ else if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_DEVICE)
+ pm_runtime_get(dwc->dev);
+
+ return IRQ_HANDLED;
+}
+
+static int dwc3_imx8mp_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *dwc3_np, *node = dev->of_node;
+ struct dwc3_imx8mp *dwc3_imx;
+ int err, irq;
+
+ if (!node) {
+ dev_err(dev, "device node not found\n");
+ return -EINVAL;
+ }
+
+ dwc3_imx = devm_kzalloc(dev, sizeof(*dwc3_imx), GFP_KERNEL);
+ if (!dwc3_imx)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, dwc3_imx);
+
+ dwc3_imx->dev = dev;
+
+ dwc3_imx->glue_base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(dwc3_imx->glue_base))
+ return PTR_ERR(dwc3_imx->glue_base);
+
+ dwc3_imx->hsio_clk = devm_clk_get(dev, "hsio");
+ if (IS_ERR(dwc3_imx->hsio_clk)) {
+ err = PTR_ERR(dwc3_imx->hsio_clk);
+ dev_err(dev, "Failed to get hsio clk, err=%d\n", err);
+ return err;
+ }
+
+ err = clk_prepare_enable(dwc3_imx->hsio_clk);
+ if (err) {
+ dev_err(dev, "Failed to enable hsio clk, err=%d\n", err);
+ return err;
+ }
+
+ dwc3_imx->suspend_clk = devm_clk_get(dev, "suspend");
+ if (IS_ERR(dwc3_imx->suspend_clk)) {
+ err = PTR_ERR(dwc3_imx->suspend_clk);
+ dev_err(dev, "Failed to get suspend clk, err=%d\n", err);
+ goto disable_hsio_clk;
+ }
+
+ err = clk_prepare_enable(dwc3_imx->suspend_clk);
+ if (err) {
+ dev_err(dev, "Failed to enable suspend clk, err=%d\n", err);
+ goto disable_hsio_clk;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ err = irq;
+ goto disable_clks;
+ }
+ dwc3_imx->irq = irq;
+
+ err = devm_request_threaded_irq(dev, irq, NULL, dwc3_imx8mp_interrupt,
+ IRQF_ONESHOT, dev_name(dev), dwc3_imx);
+ if (err) {
+ dev_err(dev, "failed to request IRQ #%d --> %d\n", irq, err);
+ goto disable_clks;
+ }
+
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ err = pm_runtime_get_sync(dev);
+ if (err < 0)
+ goto disable_rpm;
+
+ dwc3_np = of_get_child_by_name(node, "dwc3");
+ if (!dwc3_np) {
+ err = -ENODEV;
+ dev_err(dev, "failed to find dwc3 core child\n");
+ goto disable_rpm;
+ }
+
+ err = of_platform_populate(node, NULL, NULL, dev);
+ if (err) {
+ dev_err(&pdev->dev, "failed to create dwc3 core\n");
+ goto err_node_put;
+ }
+
+ dwc3_imx->dwc3 = of_find_device_by_node(dwc3_np);
+ if (!dwc3_imx->dwc3) {
+ dev_err(dev, "failed to get dwc3 platform device\n");
+ err = -ENODEV;
+ goto depopulate;
+ }
+ of_node_put(dwc3_np);
+
+ device_set_wakeup_capable(dev, true);
+ pm_runtime_put(dev);
+
+ return 0;
+
+depopulate:
+ of_platform_depopulate(dev);
+err_node_put:
+ of_node_put(dwc3_np);
+disable_rpm:
+ pm_runtime_disable(dev);
+ pm_runtime_put_noidle(dev);
+disable_clks:
+ clk_disable_unprepare(dwc3_imx->suspend_clk);
+disable_hsio_clk:
+ clk_disable_unprepare(dwc3_imx->hsio_clk);
+
+ return err;
+}
+
+static int dwc3_imx8mp_remove(struct platform_device *pdev)
+{
+ struct dwc3_imx8mp *dwc3_imx = platform_get_drvdata(pdev);
+ struct device *dev = &pdev->dev;
+
+ pm_runtime_get_sync(dev);
+ of_platform_depopulate(dev);
+
+ clk_disable_unprepare(dwc3_imx->suspend_clk);
+ clk_disable_unprepare(dwc3_imx->hsio_clk);
+
+ pm_runtime_disable(dev);
+ pm_runtime_put_noidle(dev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static int __maybe_unused dwc3_imx8mp_suspend(struct dwc3_imx8mp *dwc3_imx,
+ pm_message_t msg)
+{
+ if (dwc3_imx->pm_suspended)
+ return 0;
+
+ /* Wakeup enable */
+ if (PMSG_IS_AUTO(msg) || device_may_wakeup(dwc3_imx->dev))
+ dwc3_imx8mp_wakeup_enable(dwc3_imx);
+
+ dwc3_imx->pm_suspended = true;
+
+ return 0;
+}
+
+static int __maybe_unused dwc3_imx8mp_resume(struct dwc3_imx8mp *dwc3_imx,
+ pm_message_t msg)
+{
+ struct dwc3 *dwc = platform_get_drvdata(dwc3_imx->dwc3);
+ int ret = 0;
+
+ if (!dwc3_imx->pm_suspended)
+ return 0;
+
+ /* Wakeup disable */
+ dwc3_imx8mp_wakeup_disable(dwc3_imx);
+ dwc3_imx->pm_suspended = false;
+
+ if (dwc3_imx->wakeup_pending) {
+ dwc3_imx->wakeup_pending = false;
+ if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_DEVICE) {
+ pm_runtime_mark_last_busy(dwc->dev);
+ pm_runtime_put_autosuspend(dwc->dev);
+ } else {
+ /*
+ * Add wait for xhci switch from suspend
+ * clock to normal clock to detect connection.
+ */
+ usleep_range(9000, 10000);
+ }
+ enable_irq(dwc3_imx->irq);
+ }
+
+ return ret;
+}
+
+static int __maybe_unused dwc3_imx8mp_pm_suspend(struct device *dev)
+{
+ struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+ int ret;
+
+ ret = dwc3_imx8mp_suspend(dwc3_imx, PMSG_SUSPEND);
+
+ if (device_may_wakeup(dwc3_imx->dev))
+ enable_irq_wake(dwc3_imx->irq);
+ else
+ clk_disable_unprepare(dwc3_imx->suspend_clk);
+
+ clk_disable_unprepare(dwc3_imx->hsio_clk);
+ dev_dbg(dev, "dwc3 imx8mp pm suspend.\n");
+
+ return ret;
+}
+
+static int __maybe_unused dwc3_imx8mp_pm_resume(struct device *dev)
+{
+ struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+ int ret;
+
+ if (device_may_wakeup(dwc3_imx->dev)) {
+ disable_irq_wake(dwc3_imx->irq);
+ } else {
+ ret = clk_prepare_enable(dwc3_imx->suspend_clk);
+ if (ret)
+ return ret;
+ }
+
+ ret = clk_prepare_enable(dwc3_imx->hsio_clk);
+ if (ret)
+ return ret;
+
+ ret = dwc3_imx8mp_resume(dwc3_imx, PMSG_RESUME);
+
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
+ dev_dbg(dev, "dwc3 imx8mp pm resume.\n");
+
+ return ret;
+}
+
+static int __maybe_unused dwc3_imx8mp_runtime_suspend(struct device *dev)
+{
+ struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+
+ dev_dbg(dev, "dwc3 imx8mp runtime suspend.\n");
+
+ return dwc3_imx8mp_suspend(dwc3_imx, PMSG_AUTO_SUSPEND);
+}
+
+static int __maybe_unused dwc3_imx8mp_runtime_resume(struct device *dev)
+{
+ struct dwc3_imx8mp *dwc3_imx = dev_get_drvdata(dev);
+
+ dev_dbg(dev, "dwc3 imx8mp runtime resume.\n");
+
+ return dwc3_imx8mp_resume(dwc3_imx, PMSG_AUTO_RESUME);
+}
+
+static const struct dev_pm_ops dwc3_imx8mp_dev_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(dwc3_imx8mp_pm_suspend, dwc3_imx8mp_pm_resume)
+ SET_RUNTIME_PM_OPS(dwc3_imx8mp_runtime_suspend,
+ dwc3_imx8mp_runtime_resume, NULL)
+};
+
+static const struct of_device_id dwc3_imx8mp_of_match[] = {
+ { .compatible = "fsl,imx8mp-dwc3", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, dwc3_imx8mp_of_match);
+
+static struct platform_driver dwc3_imx8mp_driver = {
+ .probe = dwc3_imx8mp_probe,
+ .remove = dwc3_imx8mp_remove,
+ .driver = {
+ .name = "imx8mp-dwc3",
+ .pm = &dwc3_imx8mp_dev_pm_ops,
+ .of_match_table = dwc3_imx8mp_of_match,
+ },
+};
+
+module_platform_driver(dwc3_imx8mp_driver);
+
+MODULE_ALIAS("platform:imx8mp-dwc3");
+MODULE_AUTHOR("jun.li@nxp.com");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("DesignWare USB3 imx8mp Glue Layer");
diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c
index 9a99253..057056c 100644
--- a/drivers/usb/dwc3/dwc3-keystone.c
+++ b/drivers/usb/dwc3/dwc3-keystone.c
@@ -99,13 +99,8 @@ static int kdwc3_probe(struct platform_device *pdev)
/* PSC dependency on AM65 needs SERDES0 to be powered before USB0 */
kdwc->usb3_phy = devm_phy_optional_get(dev, "usb3-phy");
- if (IS_ERR(kdwc->usb3_phy)) {
- error = PTR_ERR(kdwc->usb3_phy);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "couldn't get usb3 phy: %d\n", error);
-
- return error;
- }
+ if (IS_ERR(kdwc->usb3_phy))
+ return dev_err_probe(dev, PTR_ERR(kdwc->usb3_phy), "couldn't get usb3 phy\n");
phy_pm_runtime_get_sync(kdwc->usb3_phy);
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 1711787..e5d7eed 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -40,7 +40,9 @@
#define PCI_DEVICE_ID_INTEL_TGPLP 0xa0ee
#define PCI_DEVICE_ID_INTEL_TGPH 0x43ee
#define PCI_DEVICE_ID_INTEL_JSP 0x4dee
+#define PCI_DEVICE_ID_INTEL_ADLP 0x51ee
#define PCI_DEVICE_ID_INTEL_ADLS 0x7ae1
+#define PCI_DEVICE_ID_INTEL_TGL 0x9a15
#define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511"
#define PCI_INTEL_BXT_FUNC_PMU_PWR 4
@@ -145,6 +147,18 @@ static const struct property_entry dwc3_pci_amd_properties[] = {
{}
};
+static const struct software_node dwc3_pci_intel_swnode = {
+ .properties = dwc3_pci_intel_properties,
+};
+
+static const struct software_node dwc3_pci_intel_mrfld_swnode = {
+ .properties = dwc3_pci_mrfld_properties,
+};
+
+static const struct software_node dwc3_pci_amd_swnode = {
+ .properties = dwc3_pci_amd_properties,
+};
+
static int dwc3_pci_quirks(struct dwc3_pci *dwc)
{
struct pci_dev *pdev = dwc->pci;
@@ -225,7 +239,6 @@ static void dwc3_pci_resume_work(struct work_struct *work)
static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
{
- struct property_entry *p = (struct property_entry *)id->driver_data;
struct dwc3_pci *dwc;
struct resource res[2];
int ret;
@@ -268,7 +281,7 @@ static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
dwc->dwc3->dev.parent = dev;
ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev));
- ret = platform_device_add_properties(dwc->dwc3, p);
+ ret = device_add_software_node(&dwc->dwc3->dev, (void *)id->driver_data);
if (ret < 0)
goto err;
@@ -291,6 +304,7 @@ static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
return 0;
err:
+ device_remove_software_node(&dwc->dwc3->dev);
platform_device_put(dwc->dwc3);
return ret;
}
@@ -307,75 +321,82 @@ static void dwc3_pci_remove(struct pci_dev *pci)
#endif
device_init_wakeup(&pci->dev, false);
pm_runtime_get(&pci->dev);
+ device_remove_software_node(&dwc->dwc3->dev);
platform_device_unregister(dwc->dwc3);
}
static const struct pci_device_id dwc3_pci_id_table[] = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW),
- (kernel_ulong_t) &dwc3_pci_intel_properties },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD),
- (kernel_ulong_t) &dwc3_pci_mrfld_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_JSP),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
+
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLP),
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS),
- (kernel_ulong_t) &dwc3_pci_intel_properties, },
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
+
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGL),
+ (kernel_ulong_t) &dwc3_pci_intel_swnode, },
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB),
- (kernel_ulong_t) &dwc3_pci_amd_properties, },
+ (kernel_ulong_t) &dwc3_pci_amd_swnode, },
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index 2a29e2f..f985bc3 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -644,6 +644,7 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
struct device_node *np = pdev->dev.of_node, *dwc3_np;
struct device *dev = &pdev->dev;
+ struct property *prop;
int ret;
dwc3_np = of_get_child_by_name(np, "dwc3");
@@ -652,6 +653,20 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
return -ENODEV;
}
+ prop = devm_kzalloc(dev, sizeof(*prop), GFP_KERNEL);
+ if (!prop) {
+ ret = -ENOMEM;
+ dev_err(dev, "unable to allocate memory for property\n");
+ goto node_put;
+ }
+
+ prop->name = "tx-fifo-resize";
+ ret = of_add_property(dwc3_np, prop);
+ if (ret) {
+ dev_err(dev, "unable to add property\n");
+ goto node_put;
+ }
+
ret = of_platform_populate(np, NULL, NULL, dev);
if (ret) {
dev_err(dev, "failed to register dwc3 core - %d\n", ret);
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 3cd2942..6587394 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -597,11 +597,13 @@ static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
static int dwc3_ep0_delegate_req(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
{
- int ret;
+ int ret = -EINVAL;
- spin_unlock(&dwc->lock);
- ret = dwc->gadget_driver->setup(dwc->gadget, ctrl);
- spin_lock(&dwc->lock);
+ if (dwc->async_callbacks) {
+ spin_unlock(&dwc->lock);
+ ret = dwc->gadget_driver->setup(dwc->gadget, ctrl);
+ spin_lock(&dwc->lock);
+ }
return ret;
}
@@ -619,6 +621,8 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
return -EINVAL;
case USB_STATE_ADDRESS:
+ dwc3_gadget_clear_tx_fifos(dwc);
+
ret = dwc3_ep0_delegate_req(dwc, ctrl);
/* if the cfg matches and the cfg is non zero */
if (cfg && (!ret || (ret == USB_GADGET_DELAYED_STATUS))) {
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index e9a87e1..401949e 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -416,6 +416,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
return ret;
}
+EXPORT_SYMBOL_GPL(dwc3_send_gadget_ep_cmd);
static int dwc3_send_clear_stall_ep_cmd(struct dwc3_ep *dep)
{
@@ -639,8 +640,192 @@ static int dwc3_gadget_set_ep_config(struct dwc3_ep *dep, unsigned int action)
return dwc3_send_gadget_ep_cmd(dep, DWC3_DEPCMD_SETEPCONFIG, ¶ms);
}
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
- bool interrupt);
+/**
+ * dwc3_gadget_calc_tx_fifo_size - calculates the txfifo size value
+ * @dwc: pointer to the DWC3 context
+ * @nfifos: number of fifos to calculate for
+ *
+ * Calculates the size value based on the equation below:
+ *
+ * DWC3 revision 280A and prior:
+ * fifo_size = mult * (max_packet / mdwidth) + 1;
+ *
+ * DWC3 revision 290A and onwards:
+ * fifo_size = mult * ((max_packet + mdwidth)/mdwidth + 1) + 1
+ *
+ * The max packet size is set to 1024, as the txfifo requirements mainly apply
+ * to super speed USB use cases. However, it is safe to overestimate the fifo
+ * allocations for other scenarios, i.e. high speed USB.
+ */
+static int dwc3_gadget_calc_tx_fifo_size(struct dwc3 *dwc, int mult)
+{
+ int max_packet = 1024;
+ int fifo_size;
+ int mdwidth;
+
+ mdwidth = dwc3_mdwidth(dwc);
+
+ /* MDWIDTH is represented in bits, we need it in bytes */
+ mdwidth >>= 3;
+
+ if (DWC3_VER_IS_PRIOR(DWC3, 290A))
+ fifo_size = mult * (max_packet / mdwidth) + 1;
+ else
+ fifo_size = mult * ((max_packet + mdwidth) / mdwidth) + 1;
+ return fifo_size;
+}
+
+/**
+ * dwc3_gadget_clear_tx_fifo_size - Clears txfifo allocation
+ * @dwc: pointer to the DWC3 context
+ *
+ * Iterates through all the endpoint registers and clears the previous txfifo
+ * allocations.
+ */
+void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc)
+{
+ struct dwc3_ep *dep;
+ int fifo_depth;
+ int size;
+ int num;
+
+ if (!dwc->do_fifo_resize)
+ return;
+
+ /* Read ep0IN related TXFIFO size */
+ dep = dwc->eps[1];
+ size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0));
+ if (DWC3_IP_IS(DWC3))
+ fifo_depth = DWC3_GTXFIFOSIZ_TXFDEP(size);
+ else
+ fifo_depth = DWC31_GTXFIFOSIZ_TXFDEP(size);
+
+ dwc->last_fifo_depth = fifo_depth;
+ /* Clear existing TXFIFO for all IN eps except ep0 */
+ for (num = 3; num < min_t(int, dwc->num_eps, DWC3_ENDPOINTS_NUM);
+ num += 2) {
+ dep = dwc->eps[num];
+ /* Don't change TXFRAMNUM on usb31 version */
+ size = DWC3_IP_IS(DWC3) ? 0 :
+ dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1)) &
+ DWC31_GTXFIFOSIZ_TXFRAMNUM;
+
+ dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1), size);
+ dep->flags &= ~DWC3_EP_TXFIFO_RESIZED;
+ }
+ dwc->num_ep_resized = 0;
+}
+
+/*
+ * dwc3_gadget_resize_tx_fifos - reallocate fifo spaces for current use-case
+ * @dwc: pointer to our context structure
+ *
+ * This function will a best effort FIFO allocation in order
+ * to improve FIFO usage and throughput, while still allowing
+ * us to enable as many endpoints as possible.
+ *
+ * Keep in mind that this operation will be highly dependent
+ * on the configured size for RAM1 - which contains TxFifo -,
+ * the amount of endpoints enabled on coreConsultant tool, and
+ * the width of the Master Bus.
+ *
+ * In general, FIFO depths are represented with the following equation:
+ *
+ * fifo_size = mult * ((max_packet + mdwidth)/mdwidth + 1) + 1
+ *
+ * In conjunction with dwc3_gadget_check_config(), this resizing logic will
+ * ensure that all endpoints will have enough internal memory for one max
+ * packet per endpoint.
+ */
+static int dwc3_gadget_resize_tx_fifos(struct dwc3_ep *dep)
+{
+ struct dwc3 *dwc = dep->dwc;
+ int fifo_0_start;
+ int ram1_depth;
+ int fifo_size;
+ int min_depth;
+ int num_in_ep;
+ int remaining;
+ int num_fifos = 1;
+ int fifo;
+ int tmp;
+
+ if (!dwc->do_fifo_resize)
+ return 0;
+
+ /* resize IN endpoints except ep0 */
+ if (!usb_endpoint_dir_in(dep->endpoint.desc) || dep->number <= 1)
+ return 0;
+
+ /* bail if already resized */
+ if (dep->flags & DWC3_EP_TXFIFO_RESIZED)
+ return 0;
+
+ ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7);
+
+ if ((dep->endpoint.maxburst > 1 &&
+ usb_endpoint_xfer_bulk(dep->endpoint.desc)) ||
+ usb_endpoint_xfer_isoc(dep->endpoint.desc))
+ num_fifos = 3;
+
+ if (dep->endpoint.maxburst > 6 &&
+ usb_endpoint_xfer_bulk(dep->endpoint.desc) && DWC3_IP_IS(DWC31))
+ num_fifos = dwc->tx_fifo_resize_max_num;
+
+ /* FIFO size for a single buffer */
+ fifo = dwc3_gadget_calc_tx_fifo_size(dwc, 1);
+
+ /* Calculate the number of remaining EPs w/o any FIFO */
+ num_in_ep = dwc->max_cfg_eps;
+ num_in_ep -= dwc->num_ep_resized;
+
+ /* Reserve at least one FIFO for the number of IN EPs */
+ min_depth = num_in_ep * (fifo + 1);
+ remaining = ram1_depth - min_depth - dwc->last_fifo_depth;
+ remaining = max_t(int, 0, remaining);
+ /*
+ * We've already reserved 1 FIFO per EP, so check what we can fit in
+ * addition to it. If there is not enough remaining space, allocate
+ * all the remaining space to the EP.
+ */
+ fifo_size = (num_fifos - 1) * fifo;
+ if (remaining < fifo_size)
+ fifo_size = remaining;
+
+ fifo_size += fifo;
+ /* Last increment according to the TX FIFO size equation */
+ fifo_size++;
+
+ /* Check if TXFIFOs start at non-zero addr */
+ tmp = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0));
+ fifo_0_start = DWC3_GTXFIFOSIZ_TXFSTADDR(tmp);
+
+ fifo_size |= (fifo_0_start + (dwc->last_fifo_depth << 16));
+ if (DWC3_IP_IS(DWC3))
+ dwc->last_fifo_depth += DWC3_GTXFIFOSIZ_TXFDEP(fifo_size);
+ else
+ dwc->last_fifo_depth += DWC31_GTXFIFOSIZ_TXFDEP(fifo_size);
+
+ /* Check fifo size allocation doesn't exceed available RAM size. */
+ if (dwc->last_fifo_depth >= ram1_depth) {
+ dev_err(dwc->dev, "Fifosize(%d) > RAM size(%d) %s depth:%d\n",
+ dwc->last_fifo_depth, ram1_depth,
+ dep->endpoint.name, fifo_size);
+ if (DWC3_IP_IS(DWC3))
+ fifo_size = DWC3_GTXFIFOSIZ_TXFDEP(fifo_size);
+ else
+ fifo_size = DWC31_GTXFIFOSIZ_TXFDEP(fifo_size);
+
+ dwc->last_fifo_depth -= fifo_size;
+ return -ENOMEM;
+ }
+
+ dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(dep->number >> 1), fifo_size);
+ dep->flags |= DWC3_EP_TXFIFO_RESIZED;
+ dwc->num_ep_resized++;
+
+ return 0;
+}
/**
* __dwc3_gadget_ep_enable - initializes a hw endpoint
@@ -659,6 +844,10 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
int ret;
if (!(dep->flags & DWC3_EP_ENABLED)) {
+ ret = dwc3_gadget_resize_tx_fifos(dep);
+ if (ret)
+ return ret;
+
ret = dwc3_gadget_start_config(dep);
if (ret)
return ret;
@@ -741,8 +930,16 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
* All stream eps will reinitiate stream on NoStream
* rejection until we can determine that the host can
* prime after the first transfer.
+ *
+ * However, if the controller is capable of
+ * TXF_FLUSH_BYPASS, then IN direction endpoints will
+ * automatically restart the stream without the driver
+ * initiation.
*/
- dep->flags |= DWC3_EP_FORCE_RESTART_STREAM;
+ if (!dep->direction ||
+ !(dwc->hwparams.hwparams9 &
+ DWC3_GHWPARAMS9_DEV_TXF_FLUSH_BYPASS))
+ dep->flags |= DWC3_EP_FORCE_RESTART_STREAM;
}
}
@@ -813,7 +1010,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
dep->stream_capable = false;
dep->type = 0;
- dep->flags = 0;
+ dep->flags &= DWC3_EP_TXFIFO_RESIZED;
return 0;
}
@@ -1415,7 +1612,7 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep)
dwc3_stop_active_transfer(dep, true, true);
list_for_each_entry_safe(req, tmp, &dep->started_list, list)
- dwc3_gadget_move_cancelled_request(req);
+ dwc3_gadget_move_cancelled_request(req, DWC3_REQUEST_STATUS_DEQUEUED);
/* If ep isn't started, then there's no end transfer pending */
if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
@@ -1631,7 +1828,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
struct dwc3 *dwc = dep->dwc;
if (!dep->endpoint.desc || !dwc->pullups_connected || !dwc->connected) {
- dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n",
+ dev_dbg(dwc->dev, "%s: can't queue to disabled endpoint\n",
dep->name);
return -ESHUTDOWN;
}
@@ -1744,10 +1941,25 @@ static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep)
{
struct dwc3_request *req;
struct dwc3_request *tmp;
+ struct dwc3 *dwc = dep->dwc;
list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) {
dwc3_gadget_ep_skip_trbs(dep, req);
- dwc3_gadget_giveback(dep, req, -ECONNRESET);
+ switch (req->status) {
+ case DWC3_REQUEST_STATUS_DISCONNECTED:
+ dwc3_gadget_giveback(dep, req, -ESHUTDOWN);
+ break;
+ case DWC3_REQUEST_STATUS_DEQUEUED:
+ dwc3_gadget_giveback(dep, req, -ECONNRESET);
+ break;
+ case DWC3_REQUEST_STATUS_STALLED:
+ dwc3_gadget_giveback(dep, req, -EPIPE);
+ break;
+ default:
+ dev_err(dwc->dev, "request cancelled with wrong reason:%d\n", req->status);
+ dwc3_gadget_giveback(dep, req, -ECONNRESET);
+ break;
+ }
}
}
@@ -1791,7 +2003,8 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
* cancelled.
*/
list_for_each_entry_safe(r, t, &dep->started_list, list)
- dwc3_gadget_move_cancelled_request(r);
+ dwc3_gadget_move_cancelled_request(r,
+ DWC3_REQUEST_STATUS_DEQUEUED);
dep->flags &= ~DWC3_EP_WAIT_TRANSFER_COMPLETE;
@@ -1812,8 +2025,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
{
struct dwc3_gadget_ep_cmd_params params;
struct dwc3 *dwc = dep->dwc;
- struct dwc3_request *req;
- struct dwc3_request *tmp;
int ret;
if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) {
@@ -1862,16 +2073,14 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
dwc3_stop_active_transfer(dep, true, true);
- list_for_each_entry_safe(req, tmp, &dep->started_list, list)
- dwc3_gadget_move_cancelled_request(req);
+ if (!list_empty(&dep->started_list))
+ dep->flags |= DWC3_EP_DELAY_START;
if (dep->flags & DWC3_EP_END_TRANSFER_PENDING) {
dep->flags |= DWC3_EP_PENDING_CLEAR_STALL;
return 0;
}
- dwc3_gadget_ep_cleanup_cancelled_requests(dep);
-
ret = dwc3_send_clear_stall_ep_cmd(dep);
if (ret) {
dev_err(dwc->dev, "failed to clear STALL on %s\n",
@@ -2070,6 +2279,102 @@ static void dwc3_stop_active_transfers(struct dwc3 *dwc)
}
}
+static void __dwc3_gadget_set_ssp_rate(struct dwc3 *dwc)
+{
+ enum usb_ssp_rate ssp_rate = dwc->gadget_ssp_rate;
+ u32 reg;
+
+ if (ssp_rate == USB_SSP_GEN_UNKNOWN)
+ ssp_rate = dwc->max_ssp_rate;
+
+ reg = dwc3_readl(dwc->regs, DWC3_DCFG);
+ reg &= ~DWC3_DCFG_SPEED_MASK;
+ reg &= ~DWC3_DCFG_NUMLANES(~0);
+
+ if (ssp_rate == USB_SSP_GEN_1x2)
+ reg |= DWC3_DCFG_SUPERSPEED;
+ else if (dwc->max_ssp_rate != USB_SSP_GEN_1x2)
+ reg |= DWC3_DCFG_SUPERSPEED_PLUS;
+
+ if (ssp_rate != USB_SSP_GEN_2x1 &&
+ dwc->max_ssp_rate != USB_SSP_GEN_2x1)
+ reg |= DWC3_DCFG_NUMLANES(1);
+
+ dwc3_writel(dwc->regs, DWC3_DCFG, reg);
+}
+
+static void __dwc3_gadget_set_speed(struct dwc3 *dwc)
+{
+ enum usb_device_speed speed;
+ u32 reg;
+
+ speed = dwc->gadget_max_speed;
+ if (speed == USB_SPEED_UNKNOWN || speed > dwc->maximum_speed)
+ speed = dwc->maximum_speed;
+
+ if (speed == USB_SPEED_SUPER_PLUS &&
+ DWC3_IP_IS(DWC32)) {
+ __dwc3_gadget_set_ssp_rate(dwc);
+ return;
+ }
+
+ reg = dwc3_readl(dwc->regs, DWC3_DCFG);
+ reg &= ~(DWC3_DCFG_SPEED_MASK);
+
+ /*
+ * WORKAROUND: DWC3 revision < 2.20a have an issue
+ * which would cause metastability state on Run/Stop
+ * bit if we try to force the IP to USB2-only mode.
+ *
+ * Because of that, we cannot configure the IP to any
+ * speed other than the SuperSpeed
+ *
+ * Refers to:
+ *
+ * STAR#9000525659: Clock Domain Crossing on DCTL in
+ * USB 2.0 Mode
+ */
+ if (DWC3_VER_IS_PRIOR(DWC3, 220A) &&
+ !dwc->dis_metastability_quirk) {
+ reg |= DWC3_DCFG_SUPERSPEED;
+ } else {
+ switch (speed) {
+ case USB_SPEED_LOW:
+ reg |= DWC3_DCFG_LOWSPEED;
+ break;
+ case USB_SPEED_FULL:
+ reg |= DWC3_DCFG_FULLSPEED;
+ break;
+ case USB_SPEED_HIGH:
+ reg |= DWC3_DCFG_HIGHSPEED;
+ break;
+ case USB_SPEED_SUPER:
+ reg |= DWC3_DCFG_SUPERSPEED;
+ break;
+ case USB_SPEED_SUPER_PLUS:
+ if (DWC3_IP_IS(DWC3))
+ reg |= DWC3_DCFG_SUPERSPEED;
+ else
+ reg |= DWC3_DCFG_SUPERSPEED_PLUS;
+ break;
+ default:
+ dev_err(dwc->dev, "invalid speed (%d)\n", speed);
+
+ if (DWC3_IP_IS(DWC3))
+ reg |= DWC3_DCFG_SUPERSPEED;
+ else
+ reg |= DWC3_DCFG_SUPERSPEED_PLUS;
+ }
+ }
+
+ if (DWC3_IP_IS(DWC32) &&
+ speed > USB_SPEED_UNKNOWN &&
+ speed < USB_SPEED_SUPER_PLUS)
+ reg &= ~DWC3_DCFG_NUMLANES(~0);
+
+ dwc3_writel(dwc->regs, DWC3_DCFG, reg);
+}
+
static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
{
u32 reg;
@@ -2092,6 +2397,7 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
if (dwc->has_hibernation)
reg |= DWC3_DCTL_KEEP_CONNECT;
+ __dwc3_gadget_set_speed(dwc);
dwc->pullups_connected = true;
} else {
reg &= ~DWC3_DCTL_RUN_STOP;
@@ -2122,10 +2428,12 @@ static int __dwc3_gadget_start(struct dwc3 *dwc);
static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
{
struct dwc3 *dwc = gadget_to_dwc(g);
+ struct dwc3_vendor *vdwc = container_of(dwc, struct dwc3_vendor, dwc);
unsigned long flags;
int ret;
is_on = !!is_on;
+ vdwc->softconnect = is_on;
/*
* Per databook, when we want to stop the gadget, if a control transfer
@@ -2216,8 +2524,7 @@ static void dwc3_gadget_enable_irq(struct dwc3 *dwc)
u32 reg;
/* Enable all but Start and End of Frame IRQs */
- reg = (DWC3_DEVTEN_VNDRDEVTSTRCVEDEN |
- DWC3_DEVTEN_EVNTOVERFLOWEN |
+ reg = (DWC3_DEVTEN_EVNTOVERFLOWEN |
DWC3_DEVTEN_CMDCMPLTEN |
DWC3_DEVTEN_ERRTICERREN |
DWC3_DEVTEN_WKUPEVTEN |
@@ -2230,7 +2537,7 @@ static void dwc3_gadget_enable_irq(struct dwc3 *dwc)
/* On 2.30a and above this bit enables U3/L2-L1 Suspend Events */
if (!DWC3_VER_IS_PRIOR(DWC3, 230A))
- reg |= DWC3_DEVTEN_EOPFEN;
+ reg |= DWC3_DEVTEN_U3L2L1SUSPEN;
dwc3_writel(dwc->regs, DWC3_DEVTEN, reg);
}
@@ -2273,9 +2580,7 @@ static void dwc3_gadget_setup_nump(struct dwc3 *dwc)
u32 reg;
ram2_depth = DWC3_GHWPARAMS7_RAM2_DEPTH(dwc->hwparams.hwparams7);
- mdwidth = DWC3_GHWPARAMS0_MDWIDTH(dwc->hwparams.hwparams0);
- if (DWC3_IP_IS(DWC32))
- mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+ mdwidth = dwc3_mdwidth(dwc);
nump = ((ram2_depth * mdwidth / 8) - 24 - 16) / 1024;
nump = min_t(u32, nump, 16);
@@ -2321,6 +2626,17 @@ static int __dwc3_gadget_start(struct dwc3 *dwc)
dwc3_gadget_setup_nump(dwc);
+ /*
+ * Currently the controller handles single stream only. So, Ignore
+ * Packet Pending bit for stream selection and don't search for another
+ * stream if the host sends Data Packet with PP=0 (for OUT direction) or
+ * ACK with NumP=0 and PP=0 (for IN direction). This slightly improves
+ * the stream performance.
+ */
+ reg = dwc3_readl(dwc->regs, DWC3_DCFG);
+ reg |= DWC3_DCFG_IGNSTRMPP;
+ dwc3_writel(dwc->regs, DWC3_DCFG, reg);
+
/* Start with SuperSpeed Default */
dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
@@ -2408,6 +2724,7 @@ static int dwc3_gadget_stop(struct usb_gadget *g)
spin_lock_irqsave(&dwc->lock, flags);
dwc->gadget_driver = NULL;
+ dwc->max_cfg_eps = 0;
spin_unlock_irqrestore(&dwc->lock, flags);
free_irq(dwc->irq_gadget, dwc->ev_buf);
@@ -2459,59 +2776,94 @@ static void dwc3_gadget_set_speed(struct usb_gadget *g,
{
struct dwc3 *dwc = gadget_to_dwc(g);
unsigned long flags;
- u32 reg;
spin_lock_irqsave(&dwc->lock, flags);
- reg = dwc3_readl(dwc->regs, DWC3_DCFG);
- reg &= ~(DWC3_DCFG_SPEED_MASK);
+ dwc->gadget_max_speed = speed;
+ spin_unlock_irqrestore(&dwc->lock, flags);
+}
- /*
- * WORKAROUND: DWC3 revision < 2.20a have an issue
- * which would cause metastability state on Run/Stop
- * bit if we try to force the IP to USB2-only mode.
- *
- * Because of that, we cannot configure the IP to any
- * speed other than the SuperSpeed
- *
- * Refers to:
- *
- * STAR#9000525659: Clock Domain Crossing on DCTL in
- * USB 2.0 Mode
- */
- if (DWC3_VER_IS_PRIOR(DWC3, 220A) &&
- !dwc->dis_metastability_quirk) {
- reg |= DWC3_DCFG_SUPERSPEED;
- } else {
- switch (speed) {
- case USB_SPEED_LOW:
- reg |= DWC3_DCFG_LOWSPEED;
- break;
- case USB_SPEED_FULL:
- reg |= DWC3_DCFG_FULLSPEED;
- break;
- case USB_SPEED_HIGH:
- reg |= DWC3_DCFG_HIGHSPEED;
- break;
- case USB_SPEED_SUPER:
- reg |= DWC3_DCFG_SUPERSPEED;
- break;
- case USB_SPEED_SUPER_PLUS:
- if (DWC3_IP_IS(DWC3))
- reg |= DWC3_DCFG_SUPERSPEED;
- else
- reg |= DWC3_DCFG_SUPERSPEED_PLUS;
- break;
- default:
- dev_err(dwc->dev, "invalid speed (%d)\n", speed);
+static void dwc3_gadget_set_ssp_rate(struct usb_gadget *g,
+ enum usb_ssp_rate rate)
+{
+ struct dwc3 *dwc = gadget_to_dwc(g);
+ unsigned long flags;
- if (DWC3_IP_IS(DWC3))
- reg |= DWC3_DCFG_SUPERSPEED;
- else
- reg |= DWC3_DCFG_SUPERSPEED_PLUS;
- }
+ spin_lock_irqsave(&dwc->lock, flags);
+ dwc->gadget_max_speed = USB_SPEED_SUPER_PLUS;
+ dwc->gadget_ssp_rate = rate;
+ spin_unlock_irqrestore(&dwc->lock, flags);
+}
+
+static int dwc3_gadget_vbus_draw(struct usb_gadget *g, unsigned int mA)
+{
+ struct dwc3 *dwc = gadget_to_dwc(g);
+ union power_supply_propval val = {0};
+ int ret;
+
+ if (dwc->usb2_phy)
+ return usb_phy_set_power(dwc->usb2_phy, mA);
+
+ if (!dwc->usb_psy)
+ return -EOPNOTSUPP;
+
+ val.intval = 1000 * mA;
+ ret = power_supply_set_property(dwc->usb_psy, POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, &val);
+
+ return ret;
+}
+
+/**
+ * dwc3_gadget_check_config - ensure dwc3 can support the USB configuration
+ * @g: pointer to the USB gadget
+ *
+ * Used to record the maximum number of endpoints being used in a USB composite
+ * device. (across all configurations) This is to be used in the calculation
+ * of the TXFIFO sizes when resizing internal memory for individual endpoints.
+ * It will help ensured that the resizing logic reserves enough space for at
+ * least one max packet.
+ */
+static int dwc3_gadget_check_config(struct usb_gadget *g)
+{
+ struct dwc3 *dwc = gadget_to_dwc(g);
+ struct usb_ep *ep;
+ int fifo_size = 0;
+ int ram1_depth;
+ int ep_num = 0;
+
+ if (!dwc->do_fifo_resize)
+ return 0;
+
+ list_for_each_entry(ep, &g->ep_list, ep_list) {
+ /* Only interested in the IN endpoints */
+ if (ep->claimed && (ep->address & USB_DIR_IN))
+ ep_num++;
}
- dwc3_writel(dwc->regs, DWC3_DCFG, reg);
+ if (ep_num <= dwc->max_cfg_eps)
+ return 0;
+
+ /* Update the max number of eps in the composition */
+ dwc->max_cfg_eps = ep_num;
+
+ fifo_size = dwc3_gadget_calc_tx_fifo_size(dwc, dwc->max_cfg_eps);
+ /* Based on the equation, increment by one for every ep */
+ fifo_size += dwc->max_cfg_eps;
+
+ /* Check if we can fit a single fifo per endpoint */
+ ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7);
+ if (fifo_size > ram1_depth)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void dwc3_gadget_async_callbacks(struct usb_gadget *g, bool enable)
+{
+ struct dwc3 *dwc = gadget_to_dwc(g);
+ unsigned long flags;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ dwc->async_callbacks = enable;
spin_unlock_irqrestore(&dwc->lock, flags);
}
@@ -2523,7 +2875,11 @@ static const struct usb_gadget_ops dwc3_gadget_ops = {
.udc_start = dwc3_gadget_start,
.udc_stop = dwc3_gadget_stop,
.udc_set_speed = dwc3_gadget_set_speed,
+ .udc_set_ssp_rate = dwc3_gadget_set_ssp_rate,
.get_config_params = dwc3_gadget_config_params,
+ .vbus_draw = dwc3_gadget_vbus_draw,
+ .check_config = dwc3_gadget_check_config,
+ .udc_async_callbacks = dwc3_gadget_async_callbacks,
};
/* -------------------------------------------------------------------------- */
@@ -2546,12 +2902,10 @@ static int dwc3_gadget_init_control_endpoint(struct dwc3_ep *dep)
static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
{
struct dwc3 *dwc = dep->dwc;
- int mdwidth;
+ u32 mdwidth;
int size;
- mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
- if (DWC3_IP_IS(DWC32))
- mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+ mdwidth = dwc3_mdwidth(dwc);
/* MDWIDTH is represented in bits, we need it in bytes */
mdwidth /= 8;
@@ -2593,12 +2947,10 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep)
{
struct dwc3 *dwc = dep->dwc;
- int mdwidth;
+ u32 mdwidth;
int size;
- mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
- if (DWC3_IP_IS(DWC32))
- mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
+ mdwidth = dwc3_mdwidth(dwc);
/* MDWIDTH is represented in bits, convert to bytes */
mdwidth /= 8;
@@ -2891,6 +3243,11 @@ static void dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep,
static bool dwc3_gadget_ep_should_continue(struct dwc3_ep *dep)
{
struct dwc3_request *req;
+ struct dwc3 *dwc = dep->dwc;
+
+ if (!dep->endpoint.desc || !dwc->pullups_connected ||
+ !dwc->connected)
+ return false;
if (!list_empty(&dep->pending_list))
return true;
@@ -3170,7 +3527,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
static void dwc3_disconnect_gadget(struct dwc3 *dwc)
{
- if (dwc->gadget_driver && dwc->gadget_driver->disconnect) {
+ if (dwc->async_callbacks && dwc->gadget_driver->disconnect) {
spin_unlock(&dwc->lock);
dwc->gadget_driver->disconnect(dwc->gadget);
spin_lock(&dwc->lock);
@@ -3179,7 +3536,7 @@ static void dwc3_disconnect_gadget(struct dwc3 *dwc)
static void dwc3_suspend_gadget(struct dwc3 *dwc)
{
- if (dwc->gadget_driver && dwc->gadget_driver->suspend) {
+ if (dwc->async_callbacks && dwc->gadget_driver->suspend) {
spin_unlock(&dwc->lock);
dwc->gadget_driver->suspend(dwc->gadget);
spin_lock(&dwc->lock);
@@ -3188,7 +3545,7 @@ static void dwc3_suspend_gadget(struct dwc3 *dwc)
static void dwc3_resume_gadget(struct dwc3 *dwc)
{
- if (dwc->gadget_driver && dwc->gadget_driver->resume) {
+ if (dwc->async_callbacks && dwc->gadget_driver->resume) {
spin_unlock(&dwc->lock);
dwc->gadget_driver->resume(dwc->gadget);
spin_lock(&dwc->lock);
@@ -3200,14 +3557,14 @@ static void dwc3_reset_gadget(struct dwc3 *dwc)
if (!dwc->gadget_driver)
return;
- if (dwc->gadget->speed != USB_SPEED_UNKNOWN) {
+ if (dwc->async_callbacks && dwc->gadget->speed != USB_SPEED_UNKNOWN) {
spin_unlock(&dwc->lock);
usb_gadget_udc_reset(dwc->gadget, dwc->gadget_driver);
spin_lock(&dwc->lock);
}
}
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
bool interrupt)
{
struct dwc3_gadget_ep_cmd_params params;
@@ -3259,6 +3616,7 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
else
dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
}
+EXPORT_SYMBOL_GPL(dwc3_stop_active_transfer);
static void dwc3_clear_stall_all_ep(struct dwc3 *dwc)
{
@@ -3373,12 +3731,18 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
struct dwc3_ep *dep;
int ret;
u32 reg;
+ u8 lanes = 1;
u8 speed;
reg = dwc3_readl(dwc->regs, DWC3_DSTS);
speed = reg & DWC3_DSTS_CONNECTSPD;
dwc->speed = speed;
+ if (DWC3_IP_IS(DWC32))
+ lanes = DWC3_DSTS_CONNLANES(reg) + 1;
+
+ dwc->gadget->ssp_rate = USB_SSP_GEN_UNKNOWN;
+
/*
* RAMClkSel is reset to 0 after USB reset, so it must be reprogrammed
* each time on Connect Done.
@@ -3393,6 +3757,11 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
dwc->gadget->ep0->maxpacket = 512;
dwc->gadget->speed = USB_SPEED_SUPER_PLUS;
+
+ if (lanes > 1)
+ dwc->gadget->ssp_rate = USB_SSP_GEN_2x2;
+ else
+ dwc->gadget->ssp_rate = USB_SSP_GEN_2x1;
break;
case DWC3_DSTS_SUPERSPEED:
/*
@@ -3414,6 +3783,11 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
dwc->gadget->ep0->maxpacket = 512;
dwc->gadget->speed = USB_SPEED_SUPER;
+
+ if (lanes > 1) {
+ dwc->gadget->speed = USB_SPEED_SUPER_PLUS;
+ dwc->gadget->ssp_rate = USB_SSP_GEN_1x2;
+ }
break;
case DWC3_DSTS_HIGHSPEED:
dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(64);
@@ -3505,7 +3879,7 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc)
* implemented.
*/
- if (dwc->gadget_driver && dwc->gadget_driver->resume) {
+ if (dwc->async_callbacks && dwc->gadget_driver->resume) {
spin_unlock(&dwc->lock);
dwc->gadget_driver->resume(dwc->gadget);
spin_lock(&dwc->lock);
@@ -3671,7 +4045,7 @@ static void dwc3_gadget_interrupt(struct dwc3 *dwc,
case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
dwc3_gadget_linksts_change_interrupt(dwc, event->event_info);
break;
- case DWC3_DEVICE_EVENT_EOPF:
+ case DWC3_DEVICE_EVENT_SUSPEND:
/* It changed to be suspend event for version 2.30a and above */
if (!DWC3_VER_IS_PRIOR(DWC3, 230A)) {
/*
@@ -3915,6 +4289,7 @@ int dwc3_gadget_init(struct dwc3 *dwc)
dev->platform_data = dwc;
dwc->gadget->ops = &dwc3_gadget_ops;
dwc->gadget->speed = USB_SPEED_UNKNOWN;
+ dwc->gadget->ssp_rate = USB_SSP_GEN_UNKNOWN;
dwc->gadget->sg_supported = true;
dwc->gadget->name = "dwc3-gadget";
dwc->gadget->lpm_capable = !dwc->usb2_gadget_lpm_disable;
@@ -3941,6 +4316,7 @@ int dwc3_gadget_init(struct dwc3 *dwc)
dwc->revision);
dwc->gadget->max_speed = dwc->maximum_speed;
+ dwc->gadget->max_ssp_rate = dwc->max_ssp_rate;
/*
* REVISIT: Here we should clear all pending IRQs to be
@@ -3957,7 +4333,10 @@ int dwc3_gadget_init(struct dwc3 *dwc)
goto err5;
}
- dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed);
+ if (DWC3_IP_IS(DWC32) && dwc->maximum_speed == USB_SPEED_SUPER_PLUS)
+ dwc3_gadget_set_ssp_rate(dwc->gadget, dwc->max_ssp_rate);
+ else
+ dwc3_gadget_set_speed(dwc->gadget, dwc->maximum_speed);
return 0;
@@ -4012,9 +4391,10 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
int dwc3_gadget_resume(struct dwc3 *dwc)
{
+ struct dwc3_vendor *vdwc = container_of(dwc, struct dwc3_vendor, dwc);
int ret;
- if (!dwc->gadget_driver)
+ if (!dwc->gadget_driver || !vdwc->softconnect)
return 0;
ret = __dwc3_gadget_start(dwc);
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index 0cd2819..77df4b6 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -90,15 +90,17 @@ static inline void dwc3_gadget_move_started_request(struct dwc3_request *req)
/**
* dwc3_gadget_move_cancelled_request - move @req to the cancelled_list
* @req: the request to be moved
+ * @reason: cancelled reason for the dwc3 request
*
* Caller should take care of locking. This function will move @req from its
* current list to the endpoint's cancelled_list.
*/
-static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req)
+static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req,
+ unsigned int reason)
{
struct dwc3_ep *dep = req->dep;
- req->status = DWC3_REQUEST_STATUS_CANCELLED;
+ req->status = reason;
list_move_tail(&req->list, &dep->cancelled_list);
}
diff --git a/drivers/usb/dwc3/trace.c b/drivers/usb/dwc3/trace.c
index 1b45a97..8a4fe12 100644
--- a/drivers/usb/dwc3/trace.c
+++ b/drivers/usb/dwc3/trace.c
@@ -9,3 +9,10 @@
#define CREATE_TRACE_POINTS
#include "trace.h"
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_ep_queue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_readl);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_writel);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_event);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_ctrl_req);
+EXPORT_TRACEPOINT_SYMBOL_GPL(dwc3_complete_trb);
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 2d15257..c333d13 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -216,6 +216,12 @@
config USB_F_TCM
tristate
+config USB_F_ACC
+ tristate
+
+config USB_F_AUDIO_SRC
+ tristate
+
# this first set of drivers all depend on bulk-capable hardware.
config USB_CONFIGFS
@@ -230,6 +236,14 @@
appropriate symbolic links.
For more information see Documentation/usb/gadget_configfs.rst.
+config USB_CONFIGFS_UEVENT
+ bool "Uevent notification of Gadget state"
+ depends on USB_CONFIGFS
+ help
+ Enable uevent notifications to userspace when the gadget
+ state changes. The gadget can be in any of the following
+ three states: "CONNECTED/DISCONNECTED/CONFIGURED"
+
config USB_CONFIGFS_SERIAL
bool "Generic serial bulk in/out"
depends on USB_CONFIGFS
@@ -371,6 +385,23 @@
implemented in kernel space (for instance Ethernet, serial or
mass storage) and other are implemented in user space.
+config USB_CONFIGFS_F_ACC
+ bool "Accessory gadget"
+ depends on USB_CONFIGFS
+ depends on HID=y
+ select USB_F_ACC
+ help
+ USB gadget Accessory support
+
+config USB_CONFIGFS_F_AUDIO_SRC
+ bool "Audio Source gadget"
+ depends on USB_CONFIGFS
+ depends on SND
+ select SND_PCM
+ select USB_F_AUDIO_SRC
+ help
+ USB gadget Audio Source support
+
config USB_CONFIGFS_F_UAC1
bool "Audio Class 1.0"
depends on USB_CONFIGFS
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 3ffa939..504c1cb 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/utsname.h>
+#include <linux/bitfield.h>
#include <linux/usb/composite.h>
#include <linux/usb/otg.h>
@@ -734,47 +735,77 @@ static int bos_desc(struct usb_composite_dev *cdev)
/* The SuperSpeedPlus USB Device Capability descriptor */
if (gadget_is_superspeed_plus(cdev->gadget)) {
struct usb_ssp_cap_descriptor *ssp_cap;
+ u8 ssac = 1;
+ u8 ssic;
+ int i;
+
+ if (cdev->gadget->max_ssp_rate == USB_SSP_GEN_2x2)
+ ssac = 3;
+
+ /*
+ * Paired RX and TX sublink speed attributes share
+ * the same SSID.
+ */
+ ssic = (ssac + 1) / 2 - 1;
ssp_cap = cdev->req->buf + le16_to_cpu(bos->wTotalLength);
bos->bNumDeviceCaps++;
- /*
- * Report typical values.
- */
-
- le16_add_cpu(&bos->wTotalLength, USB_DT_USB_SSP_CAP_SIZE(1));
- ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(1);
+ le16_add_cpu(&bos->wTotalLength, USB_DT_USB_SSP_CAP_SIZE(ssac));
+ ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(ssac);
ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE;
ssp_cap->bReserved = 0;
ssp_cap->wReserved = 0;
- /* SSAC = 1 (2 attributes) */
- ssp_cap->bmAttributes = cpu_to_le32(1);
+ ssp_cap->bmAttributes =
+ cpu_to_le32(FIELD_PREP(USB_SSP_SUBLINK_SPEED_ATTRIBS, ssac) |
+ FIELD_PREP(USB_SSP_SUBLINK_SPEED_IDS, ssic));
- /* Min RX/TX Lane Count = 1 */
ssp_cap->wFunctionalitySupport =
- cpu_to_le16((1 << 8) | (1 << 12));
+ cpu_to_le16(FIELD_PREP(USB_SSP_MIN_SUBLINK_SPEED_ATTRIBUTE_ID, 0) |
+ FIELD_PREP(USB_SSP_MIN_RX_LANE_COUNT, 1) |
+ FIELD_PREP(USB_SSP_MIN_TX_LANE_COUNT, 1));
/*
- * bmSublinkSpeedAttr[0]:
- * ST = Symmetric, RX
- * LSE = 3 (Gbps)
- * LP = 1 (SuperSpeedPlus)
- * LSM = 10 (10 Gbps)
+ * Use 1 SSID if the gadget supports up to gen2x1 or not
+ * specified:
+ * - SSID 0 for symmetric RX/TX sublink speed of 10 Gbps.
+ *
+ * Use 1 SSID if the gadget supports up to gen1x2:
+ * - SSID 0 for symmetric RX/TX sublink speed of 5 Gbps.
+ *
+ * Use 2 SSIDs if the gadget supports up to gen2x2:
+ * - SSID 0 for symmetric RX/TX sublink speed of 5 Gbps.
+ * - SSID 1 for symmetric RX/TX sublink speed of 10 Gbps.
*/
- ssp_cap->bmSublinkSpeedAttr[0] =
- cpu_to_le32((3 << 4) | (1 << 14) | (0xa << 16));
- /*
- * bmSublinkSpeedAttr[1] =
- * ST = Symmetric, TX
- * LSE = 3 (Gbps)
- * LP = 1 (SuperSpeedPlus)
- * LSM = 10 (10 Gbps)
- */
- ssp_cap->bmSublinkSpeedAttr[1] =
- cpu_to_le32((3 << 4) | (1 << 14) |
- (0xa << 16) | (1 << 7));
+ for (i = 0; i < ssac + 1; i++) {
+ u8 ssid;
+ u8 mantissa;
+ u8 type;
+
+ ssid = i >> 1;
+
+ if (cdev->gadget->max_ssp_rate == USB_SSP_GEN_2x1 ||
+ cdev->gadget->max_ssp_rate == USB_SSP_GEN_UNKNOWN)
+ mantissa = 10;
+ else
+ mantissa = 5 << ssid;
+
+ if (i % 2)
+ type = USB_SSP_SUBLINK_SPEED_ST_SYM_TX;
+ else
+ type = USB_SSP_SUBLINK_SPEED_ST_SYM_RX;
+
+ ssp_cap->bmSublinkSpeedAttr[i] =
+ cpu_to_le32(FIELD_PREP(USB_SSP_SUBLINK_SPEED_SSID, ssid) |
+ FIELD_PREP(USB_SSP_SUBLINK_SPEED_LSE,
+ USB_SSP_SUBLINK_SPEED_LSE_GBPS) |
+ FIELD_PREP(USB_SSP_SUBLINK_SPEED_ST, type) |
+ FIELD_PREP(USB_SSP_SUBLINK_SPEED_LP,
+ USB_SSP_SUBLINK_SPEED_LP_SSP) |
+ FIELD_PREP(USB_SSP_SUBLINK_SPEED_LSM, mantissa));
+ }
}
return le16_to_cpu(bos->wTotalLength);
@@ -2046,7 +2077,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
return value;
}
-void composite_disconnect(struct usb_gadget *gadget)
+static void __composite_disconnect(struct usb_gadget *gadget)
{
struct usb_composite_dev *cdev = get_gadget_data(gadget);
unsigned long flags;
@@ -2063,6 +2094,23 @@ void composite_disconnect(struct usb_gadget *gadget)
spin_unlock_irqrestore(&cdev->lock, flags);
}
+void composite_disconnect(struct usb_gadget *gadget)
+{
+ usb_gadget_vbus_draw(gadget, 0);
+ __composite_disconnect(gadget);
+}
+
+void composite_reset(struct usb_gadget *gadget)
+{
+ /*
+ * Section 1.4.13 Standard Downstream Port of the USB battery charging
+ * specification v1.2 states that a device connected on a SDP shall only
+ * draw at max 100mA while in a connected, but unconfigured state.
+ */
+ usb_gadget_vbus_draw(gadget, 100);
+ __composite_disconnect(gadget);
+}
+
/*-------------------------------------------------------------------------*/
static ssize_t suspended_show(struct device *dev, struct device_attribute *attr,
@@ -2383,7 +2431,7 @@ static const struct usb_gadget_driver composite_driver_template = {
.unbind = composite_unbind,
.setup = composite_setup,
- .reset = composite_disconnect,
+ .reset = composite_reset,
.disconnect = composite_disconnect,
.suspend = composite_suspend,
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 9b7fa53..2d7b7cd 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -10,6 +10,32 @@
#include "u_f.h"
#include "u_os_desc.h"
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+#include <linux/platform_device.h>
+#include <linux/kdev_t.h>
+#include <linux/usb/ch9.h>
+
+#ifdef CONFIG_USB_CONFIGFS_F_ACC
+extern int acc_ctrlrequest(struct usb_composite_dev *cdev,
+ const struct usb_ctrlrequest *ctrl);
+void acc_disconnect(void);
+#endif
+static struct class *android_class;
+static struct device *android_device;
+static int index;
+static int gadget_index;
+
+struct device *create_function_device(char *name)
+{
+ if (android_device && !IS_ERR(android_device))
+ return device_create(android_class, android_device,
+ MKDEV(0, index++), NULL, name);
+ else
+ return ERR_PTR(-EINVAL);
+}
+EXPORT_SYMBOL_GPL(create_function_device);
+#endif
+
int check_user_usb_string(const char *name,
struct usb_gadget_strings *stringtab_dev)
{
@@ -51,6 +77,12 @@ struct gadget_info {
char qw_sign[OS_STRING_QW_SIGN_LEN];
spinlock_t spinlock;
bool unbind;
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+ bool connected;
+ bool sw_connected;
+ struct work_struct work;
+ struct device *dev;
+#endif
};
static inline struct gadget_info *to_gadget_info(struct config_item *item)
@@ -272,7 +304,7 @@ static ssize_t gadget_dev_desc_UDC_store(struct config_item *item,
mutex_lock(&gi->lock);
- if (!strlen(name)) {
+ if (!strlen(name) || strcmp(name, "none") == 0) {
ret = unregister_gadget(gi);
if (ret)
goto err;
@@ -1404,6 +1436,10 @@ static int configfs_composite_bind(struct usb_gadget *gadget,
goto err_purge_funcs;
}
}
+ ret = usb_gadget_check_config(cdev->gadget);
+ if (ret)
+ goto err_purge_funcs;
+
usb_ep_autoconfig_reset(cdev->gadget);
}
if (cdev->use_os_string) {
@@ -1422,6 +1458,57 @@ static int configfs_composite_bind(struct usb_gadget *gadget,
return ret;
}
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+static void android_work(struct work_struct *data)
+{
+ struct gadget_info *gi = container_of(data, struct gadget_info, work);
+ struct usb_composite_dev *cdev = &gi->cdev;
+ char *disconnected[2] = { "USB_STATE=DISCONNECTED", NULL };
+ char *connected[2] = { "USB_STATE=CONNECTED", NULL };
+ char *configured[2] = { "USB_STATE=CONFIGURED", NULL };
+ /* 0-connected 1-configured 2-disconnected*/
+ bool status[3] = { false, false, false };
+ unsigned long flags;
+ bool uevent_sent = false;
+
+ spin_lock_irqsave(&cdev->lock, flags);
+ if (cdev->config)
+ status[1] = true;
+
+ if (gi->connected != gi->sw_connected) {
+ if (gi->connected)
+ status[0] = true;
+ else
+ status[2] = true;
+ gi->sw_connected = gi->connected;
+ }
+ spin_unlock_irqrestore(&cdev->lock, flags);
+
+ if (status[0]) {
+ kobject_uevent_env(&gi->dev->kobj, KOBJ_CHANGE, connected);
+ pr_info("%s: sent uevent %s\n", __func__, connected[0]);
+ uevent_sent = true;
+ }
+
+ if (status[1]) {
+ kobject_uevent_env(&gi->dev->kobj, KOBJ_CHANGE, configured);
+ pr_info("%s: sent uevent %s\n", __func__, configured[0]);
+ uevent_sent = true;
+ }
+
+ if (status[2]) {
+ kobject_uevent_env(&gi->dev->kobj, KOBJ_CHANGE, disconnected);
+ pr_info("%s: sent uevent %s\n", __func__, disconnected[0]);
+ uevent_sent = true;
+ }
+
+ if (!uevent_sent) {
+ pr_info("%s: did not send uevent (%d %d %p)\n", __func__,
+ gi->connected, gi->sw_connected, cdev->config);
+ }
+}
+#endif
+
static void configfs_composite_unbind(struct usb_gadget *gadget)
{
struct usb_composite_dev *cdev;
@@ -1447,6 +1534,59 @@ static void configfs_composite_unbind(struct usb_gadget *gadget)
spin_unlock_irqrestore(&gi->spinlock, flags);
}
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+static int android_setup(struct usb_gadget *gadget,
+ const struct usb_ctrlrequest *c)
+{
+ struct usb_composite_dev *cdev;
+ unsigned long flags;
+ struct gadget_info *gi;
+ int value = -EOPNOTSUPP;
+ struct usb_function_instance *fi;
+
+ if (!android_device)
+ return 0;
+
+ gi = dev_get_drvdata(android_device);
+ spin_lock_irqsave(&gi->spinlock, flags);
+ cdev = get_gadget_data(gadget);
+ if (!cdev || gi->unbind) {
+ spin_unlock_irqrestore(&gi->spinlock, flags);
+ return 0;
+ }
+
+ if (!gi->connected) {
+ gi->connected = 1;
+ schedule_work(&gi->work);
+ }
+
+ list_for_each_entry(fi, &gi->available_func, cfs_list) {
+ if (fi != NULL && fi->f != NULL && fi->f->setup != NULL) {
+ value = fi->f->setup(fi->f, c);
+ if (value >= 0)
+ break;
+ }
+ }
+
+#ifdef CONFIG_USB_CONFIGFS_F_ACC
+ if (value < 0)
+ value = acc_ctrlrequest(cdev, c);
+#endif
+
+ if (value < 0)
+ value = composite_setup(gadget, c);
+
+ if (c->bRequest == USB_REQ_SET_CONFIGURATION &&
+ cdev->config) {
+ schedule_work(&gi->work);
+ }
+ spin_unlock_irqrestore(&gi->spinlock, flags);
+
+ return value;
+}
+
+#else // CONFIG_USB_CONFIGFS_UEVENT
+
static int configfs_composite_setup(struct usb_gadget *gadget,
const struct usb_ctrlrequest *ctrl)
{
@@ -1472,6 +1612,8 @@ static int configfs_composite_setup(struct usb_gadget *gadget,
return ret;
}
+#endif // CONFIG_USB_CONFIGFS_UEVENT
+
static void configfs_composite_disconnect(struct usb_gadget *gadget)
{
struct usb_composite_dev *cdev;
@@ -1482,6 +1624,40 @@ static void configfs_composite_disconnect(struct usb_gadget *gadget)
if (!cdev)
return;
+#ifdef CONFIG_USB_CONFIGFS_F_ACC
+ /*
+ * accessory HID support can be active while the
+ * accessory function is not actually enabled,
+ * so we need to inform it when we are disconnected.
+ */
+ acc_disconnect();
+#endif
+ gi = container_of(cdev, struct gadget_info, cdev);
+ spin_lock_irqsave(&gi->spinlock, flags);
+ cdev = get_gadget_data(gadget);
+ if (!cdev || gi->unbind) {
+ spin_unlock_irqrestore(&gi->spinlock, flags);
+ return;
+ }
+
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+ gi->connected = 0;
+ schedule_work(&gi->work);
+#endif
+ composite_disconnect(gadget);
+ spin_unlock_irqrestore(&gi->spinlock, flags);
+}
+
+static void configfs_composite_reset(struct usb_gadget *gadget)
+{
+ struct usb_composite_dev *cdev;
+ struct gadget_info *gi;
+ unsigned long flags;
+
+ cdev = get_gadget_data(gadget);
+ if (!cdev)
+ return;
+
gi = container_of(cdev, struct gadget_info, cdev);
spin_lock_irqsave(&gi->spinlock, flags);
cdev = get_gadget_data(gadget);
@@ -1490,7 +1666,7 @@ static void configfs_composite_disconnect(struct usb_gadget *gadget)
return;
}
- composite_disconnect(gadget);
+ composite_reset(gadget);
spin_unlock_irqrestore(&gi->spinlock, flags);
}
@@ -1542,10 +1718,13 @@ static const struct usb_gadget_driver configfs_driver_template = {
.bind = configfs_composite_bind,
.unbind = configfs_composite_unbind,
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+ .setup = android_setup,
+#else
.setup = configfs_composite_setup,
- .reset = configfs_composite_disconnect,
+#endif
+ .reset = configfs_composite_reset,
.disconnect = configfs_composite_disconnect,
-
.suspend = configfs_composite_suspend,
.resume = configfs_composite_resume,
@@ -1557,6 +1736,91 @@ static const struct usb_gadget_driver configfs_driver_template = {
.match_existing_only = 1,
};
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+static ssize_t state_show(struct device *pdev, struct device_attribute *attr,
+ char *buf)
+{
+ struct gadget_info *dev = dev_get_drvdata(pdev);
+ struct usb_composite_dev *cdev;
+ char *state = "DISCONNECTED";
+ unsigned long flags;
+
+ if (!dev)
+ goto out;
+
+ cdev = &dev->cdev;
+
+ if (!cdev)
+ goto out;
+
+ spin_lock_irqsave(&cdev->lock, flags);
+ if (cdev->config)
+ state = "CONFIGURED";
+ else if (dev->connected)
+ state = "CONNECTED";
+ spin_unlock_irqrestore(&cdev->lock, flags);
+out:
+ return sprintf(buf, "%s\n", state);
+}
+
+static DEVICE_ATTR(state, S_IRUGO, state_show, NULL);
+
+static struct device_attribute *android_usb_attributes[] = {
+ &dev_attr_state,
+ NULL
+};
+
+static int android_device_create(struct gadget_info *gi)
+{
+ struct device_attribute **attrs;
+ struct device_attribute *attr;
+
+ INIT_WORK(&gi->work, android_work);
+ gi->dev = device_create(android_class, NULL,
+ MKDEV(0, 0), NULL, "android%d", gadget_index++);
+ if (IS_ERR(gi->dev))
+ return PTR_ERR(gi->dev);
+
+ dev_set_drvdata(gi->dev, gi);
+ if (!android_device)
+ android_device = gi->dev;
+
+ attrs = android_usb_attributes;
+ while ((attr = *attrs++)) {
+ int err;
+
+ err = device_create_file(gi->dev, attr);
+ if (err) {
+ device_destroy(gi->dev->class,
+ gi->dev->devt);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static void android_device_destroy(struct gadget_info *gi)
+{
+ struct device_attribute **attrs;
+ struct device_attribute *attr;
+
+ attrs = android_usb_attributes;
+ while ((attr = *attrs++))
+ device_remove_file(gi->dev, attr);
+ device_destroy(gi->dev->class, gi->dev->devt);
+}
+#else
+static inline int android_device_create(struct gadget_info *gi)
+{
+ return 0;
+}
+
+static inline void android_device_destroy(struct gadget_info *gi)
+{
+}
+#endif
+
static struct config_group *gadgets_make(
struct config_group *group,
const char *name)
@@ -1609,7 +1873,11 @@ static struct config_group *gadgets_make(
if (!gi->composite.gadget_driver.function)
goto err;
+ if (android_device_create(gi) < 0)
+ goto err;
+
return &gi->group;
+
err:
kfree(gi);
return ERR_PTR(-ENOMEM);
@@ -1617,7 +1885,11 @@ static struct config_group *gadgets_make(
static void gadgets_drop(struct config_group *group, struct config_item *item)
{
+ struct gadget_info *gi;
+
+ gi = container_of(to_config_group(item), struct gadget_info, group);
config_item_put(item);
+ android_device_destroy(gi);
}
static struct configfs_group_operations gadgets_ops = {
@@ -1657,6 +1929,13 @@ static int __init gadget_cfs_init(void)
config_group_init(&gadget_subsys.su_group);
ret = configfs_register_subsystem(&gadget_subsys);
+
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+ android_class = class_create(THIS_MODULE, "android_usb");
+ if (IS_ERR(android_class))
+ return PTR_ERR(android_class);
+#endif
+
return ret;
}
module_init(gadget_cfs_init);
@@ -1664,5 +1943,10 @@ module_init(gadget_cfs_init);
static void __exit gadget_cfs_exit(void)
{
configfs_unregister_subsystem(&gadget_subsys);
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+ if (!IS_ERR(android_class))
+ class_destroy(android_class);
+#endif
+
}
module_exit(gadget_cfs_exit);
diff --git a/drivers/usb/gadget/function/Makefile b/drivers/usb/gadget/function/Makefile
index 5d3a6cf..dd33a12 100644
--- a/drivers/usb/gadget/function/Makefile
+++ b/drivers/usb/gadget/function/Makefile
@@ -50,3 +50,7 @@
obj-$(CONFIG_USB_F_PRINTER) += usb_f_printer.o
usb_f_tcm-y := f_tcm.o
obj-$(CONFIG_USB_F_TCM) += usb_f_tcm.o
+usb_f_accessory-y := f_accessory.o
+obj-$(CONFIG_USB_F_ACC) += usb_f_accessory.o
+usb_f_audio_source-y := f_audio_source.o
+obj-$(CONFIG_USB_F_AUDIO_SRC) += usb_f_audio_source.o
diff --git a/drivers/usb/gadget/function/f_accessory.c b/drivers/usb/gadget/function/f_accessory.c
new file mode 100644
index 0000000..66a603f
--- /dev/null
+++ b/drivers/usb/gadget/function/f_accessory.c
@@ -0,0 +1,1553 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Gadget Function Driver for Android USB accessories
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Author: Mike Lockwood <lockwood@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+/* #define DEBUG */
+/* #define VERBOSE_DEBUG */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/poll.h>
+#include <linux/delay.h>
+#include <linux/wait.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
+#include <linux/kref.h>
+
+#include <linux/types.h>
+#include <linux/file.h>
+#include <linux/device.h>
+#include <linux/miscdevice.h>
+
+#include <linux/hid.h>
+#include <linux/hiddev.h>
+#include <linux/usb.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/f_accessory.h>
+
+#include <linux/configfs.h>
+#include <linux/usb/composite.h>
+
+#define MAX_INST_NAME_LEN 40
+#define BULK_BUFFER_SIZE 16384
+#define ACC_STRING_SIZE 256
+
+#define PROTOCOL_VERSION 2
+
+/* String IDs */
+#define INTERFACE_STRING_INDEX 0
+
+/* number of tx and rx requests to allocate */
+#define TX_REQ_MAX 4
+#define RX_REQ_MAX 2
+
+struct acc_hid_dev {
+ struct list_head list;
+ struct hid_device *hid;
+ struct acc_dev *dev;
+ /* accessory defined ID */
+ int id;
+ /* HID report descriptor */
+ u8 *report_desc;
+ /* length of HID report descriptor */
+ int report_desc_len;
+ /* number of bytes of report_desc we have received so far */
+ int report_desc_offset;
+};
+
+struct acc_dev {
+ struct usb_function function;
+ struct usb_composite_dev *cdev;
+ spinlock_t lock;
+ struct acc_dev_ref *ref;
+
+ struct usb_ep *ep_in;
+ struct usb_ep *ep_out;
+
+ /* online indicates state of function_set_alt & function_unbind
+ * set to 1 when we connect
+ */
+ int online;
+
+ /* disconnected indicates state of open & release
+ * Set to 1 when we disconnect.
+ * Not cleared until our file is closed.
+ */
+ int disconnected;
+
+ /* strings sent by the host */
+ char manufacturer[ACC_STRING_SIZE];
+ char model[ACC_STRING_SIZE];
+ char description[ACC_STRING_SIZE];
+ char version[ACC_STRING_SIZE];
+ char uri[ACC_STRING_SIZE];
+ char serial[ACC_STRING_SIZE];
+
+ /* for acc_complete_set_string */
+ int string_index;
+
+ /* set to 1 if we have a pending start request */
+ int start_requested;
+
+ int audio_mode;
+
+ /* synchronize access to our device file */
+ atomic_t open_excl;
+
+ struct list_head tx_idle;
+
+ wait_queue_head_t read_wq;
+ wait_queue_head_t write_wq;
+ struct usb_request *rx_req[RX_REQ_MAX];
+ int rx_done;
+
+ /* delayed work for handling ACCESSORY_START */
+ struct delayed_work start_work;
+
+ /* work for handling ACCESSORY GET PROTOCOL */
+ struct work_struct getprotocol_work;
+
+ /* work for handling ACCESSORY SEND STRING */
+ struct work_struct sendstring_work;
+
+ /* worker for registering and unregistering hid devices */
+ struct work_struct hid_work;
+
+ /* list of active HID devices */
+ struct list_head hid_list;
+
+ /* list of new HID devices to register */
+ struct list_head new_hid_list;
+
+ /* list of dead HID devices to unregister */
+ struct list_head dead_hid_list;
+};
+
+static struct usb_interface_descriptor acc_interface_desc = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = USB_CLASS_VENDOR_SPEC,
+ .bInterfaceSubClass = USB_SUBCLASS_VENDOR_SPEC,
+ .bInterfaceProtocol = 0,
+};
+
+static struct usb_endpoint_descriptor acc_superspeedplus_in_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_endpoint_descriptor acc_superspeedplus_out_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor acc_superspeedplus_comp_desc = {
+ .bLength = sizeof(acc_superspeedplus_comp_desc),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+
+ /* the following 2 values can be tweaked if necessary */
+ /* .bMaxBurst = 0, */
+ /* .bmAttributes = 0, */
+};
+
+static struct usb_endpoint_descriptor acc_superspeed_in_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_endpoint_descriptor acc_superspeed_out_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor acc_superspeed_comp_desc = {
+ .bLength = sizeof(acc_superspeed_comp_desc),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+
+ /* the following 2 values can be tweaked if necessary */
+ /* .bMaxBurst = 0, */
+ /* .bmAttributes = 0, */
+};
+
+static struct usb_endpoint_descriptor acc_highspeed_in_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(512),
+};
+
+static struct usb_endpoint_descriptor acc_highspeed_out_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(512),
+};
+
+static struct usb_endpoint_descriptor acc_fullspeed_in_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_endpoint_descriptor acc_fullspeed_out_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usb_descriptor_header *fs_acc_descs[] = {
+ (struct usb_descriptor_header *) &acc_interface_desc,
+ (struct usb_descriptor_header *) &acc_fullspeed_in_desc,
+ (struct usb_descriptor_header *) &acc_fullspeed_out_desc,
+ NULL,
+};
+
+static struct usb_descriptor_header *hs_acc_descs[] = {
+ (struct usb_descriptor_header *) &acc_interface_desc,
+ (struct usb_descriptor_header *) &acc_highspeed_in_desc,
+ (struct usb_descriptor_header *) &acc_highspeed_out_desc,
+ NULL,
+};
+
+static struct usb_descriptor_header *ss_acc_descs[] = {
+ (struct usb_descriptor_header *) &acc_interface_desc,
+ (struct usb_descriptor_header *) &acc_superspeed_in_desc,
+ (struct usb_descriptor_header *) &acc_superspeed_comp_desc,
+ (struct usb_descriptor_header *) &acc_superspeed_out_desc,
+ (struct usb_descriptor_header *) &acc_superspeed_comp_desc,
+ NULL,
+};
+
+static struct usb_descriptor_header *ssp_acc_descs[] = {
+ (struct usb_descriptor_header *) &acc_interface_desc,
+ (struct usb_descriptor_header *) &acc_superspeedplus_in_desc,
+ (struct usb_descriptor_header *) &acc_superspeedplus_comp_desc,
+ (struct usb_descriptor_header *) &acc_superspeedplus_out_desc,
+ (struct usb_descriptor_header *) &acc_superspeedplus_comp_desc,
+ NULL,
+};
+
+static struct usb_string acc_string_defs[] = {
+ [INTERFACE_STRING_INDEX].s = "Android Accessory Interface",
+ { }, /* end of list */
+};
+
+static struct usb_gadget_strings acc_string_table = {
+ .language = 0x0409, /* en-US */
+ .strings = acc_string_defs,
+};
+
+static struct usb_gadget_strings *acc_strings[] = {
+ &acc_string_table,
+ NULL,
+};
+
+struct acc_dev_ref {
+ struct kref kref;
+ struct acc_dev *acc_dev;
+};
+
+static struct acc_dev_ref _acc_dev_ref = {
+ .kref = KREF_INIT(0),
+};
+
+struct acc_instance {
+ struct usb_function_instance func_inst;
+ const char *name;
+};
+
+static struct acc_dev *get_acc_dev(void)
+{
+ struct acc_dev_ref *ref = &_acc_dev_ref;
+
+ return kref_get_unless_zero(&ref->kref) ? ref->acc_dev : NULL;
+}
+
+static void __put_acc_dev(struct kref *kref)
+{
+ struct acc_dev_ref *ref = container_of(kref, struct acc_dev_ref, kref);
+ struct acc_dev *dev = ref->acc_dev;
+
+ /* Cancel any async work */
+ cancel_delayed_work_sync(&dev->start_work);
+ cancel_work_sync(&dev->getprotocol_work);
+ cancel_work_sync(&dev->sendstring_work);
+ cancel_work_sync(&dev->hid_work);
+
+ ref->acc_dev = NULL;
+ kfree(dev);
+}
+
+static void put_acc_dev(struct acc_dev *dev)
+{
+ struct acc_dev_ref *ref = dev->ref;
+
+ WARN_ON(ref->acc_dev != dev);
+ kref_put(&ref->kref, __put_acc_dev);
+}
+
+static inline struct acc_dev *func_to_dev(struct usb_function *f)
+{
+ return container_of(f, struct acc_dev, function);
+}
+
+static struct usb_request *acc_request_new(struct usb_ep *ep, int buffer_size)
+{
+ struct usb_request *req = usb_ep_alloc_request(ep, GFP_KERNEL);
+
+ if (!req)
+ return NULL;
+
+ /* now allocate buffers for the requests */
+ req->buf = kmalloc(buffer_size, GFP_KERNEL);
+ if (!req->buf) {
+ usb_ep_free_request(ep, req);
+ return NULL;
+ }
+
+ return req;
+}
+
+static void acc_request_free(struct usb_request *req, struct usb_ep *ep)
+{
+ if (req) {
+ kfree(req->buf);
+ usb_ep_free_request(ep, req);
+ }
+}
+
+/* add a request to the tail of a list */
+static void req_put(struct acc_dev *dev, struct list_head *head,
+ struct usb_request *req)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ list_add_tail(&req->list, head);
+ spin_unlock_irqrestore(&dev->lock, flags);
+}
+
+/* remove a request from the head of a list */
+static struct usb_request *req_get(struct acc_dev *dev, struct list_head *head)
+{
+ unsigned long flags;
+ struct usb_request *req;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ if (list_empty(head)) {
+ req = 0;
+ } else {
+ req = list_first_entry(head, struct usb_request, list);
+ list_del(&req->list);
+ }
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return req;
+}
+
+static void acc_set_disconnected(struct acc_dev *dev)
+{
+ dev->disconnected = 1;
+}
+
+static void acc_complete_in(struct usb_ep *ep, struct usb_request *req)
+{
+ struct acc_dev *dev = get_acc_dev();
+
+ if (!dev)
+ return;
+
+ if (req->status == -ESHUTDOWN) {
+ pr_debug("acc_complete_in set disconnected");
+ acc_set_disconnected(dev);
+ }
+
+ req_put(dev, &dev->tx_idle, req);
+
+ wake_up(&dev->write_wq);
+ put_acc_dev(dev);
+}
+
+static void acc_complete_out(struct usb_ep *ep, struct usb_request *req)
+{
+ struct acc_dev *dev = get_acc_dev();
+
+ if (!dev)
+ return;
+
+ dev->rx_done = 1;
+ if (req->status == -ESHUTDOWN) {
+ pr_debug("acc_complete_out set disconnected");
+ acc_set_disconnected(dev);
+ }
+
+ wake_up(&dev->read_wq);
+ put_acc_dev(dev);
+}
+
+static void acc_complete_set_string(struct usb_ep *ep, struct usb_request *req)
+{
+ struct acc_dev *dev = ep->driver_data;
+ char *string_dest = NULL;
+ int length = req->actual;
+
+ if (req->status != 0) {
+ pr_err("acc_complete_set_string, err %d\n", req->status);
+ return;
+ }
+
+ switch (dev->string_index) {
+ case ACCESSORY_STRING_MANUFACTURER:
+ string_dest = dev->manufacturer;
+ break;
+ case ACCESSORY_STRING_MODEL:
+ string_dest = dev->model;
+ break;
+ case ACCESSORY_STRING_DESCRIPTION:
+ string_dest = dev->description;
+ break;
+ case ACCESSORY_STRING_VERSION:
+ string_dest = dev->version;
+ break;
+ case ACCESSORY_STRING_URI:
+ string_dest = dev->uri;
+ break;
+ case ACCESSORY_STRING_SERIAL:
+ string_dest = dev->serial;
+ break;
+ }
+ if (string_dest) {
+ unsigned long flags;
+
+ if (length >= ACC_STRING_SIZE)
+ length = ACC_STRING_SIZE - 1;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ memcpy(string_dest, req->buf, length);
+ /* ensure zero termination */
+ string_dest[length] = 0;
+ spin_unlock_irqrestore(&dev->lock, flags);
+ } else {
+ pr_err("unknown accessory string index %d\n",
+ dev->string_index);
+ }
+}
+
+static void acc_complete_set_hid_report_desc(struct usb_ep *ep,
+ struct usb_request *req)
+{
+ struct acc_hid_dev *hid = req->context;
+ struct acc_dev *dev = hid->dev;
+ int length = req->actual;
+
+ if (req->status != 0) {
+ pr_err("acc_complete_set_hid_report_desc, err %d\n",
+ req->status);
+ return;
+ }
+
+ memcpy(hid->report_desc + hid->report_desc_offset, req->buf, length);
+ hid->report_desc_offset += length;
+ if (hid->report_desc_offset == hid->report_desc_len) {
+ /* After we have received the entire report descriptor
+ * we schedule work to initialize the HID device
+ */
+ schedule_work(&dev->hid_work);
+ }
+}
+
+static void acc_complete_send_hid_event(struct usb_ep *ep,
+ struct usb_request *req)
+{
+ struct acc_hid_dev *hid = req->context;
+ int length = req->actual;
+
+ if (req->status != 0) {
+ pr_err("acc_complete_send_hid_event, err %d\n", req->status);
+ return;
+ }
+
+ hid_report_raw_event(hid->hid, HID_INPUT_REPORT, req->buf, length, 1);
+}
+
+static int acc_hid_parse(struct hid_device *hid)
+{
+ struct acc_hid_dev *hdev = hid->driver_data;
+
+ hid_parse_report(hid, hdev->report_desc, hdev->report_desc_len);
+ return 0;
+}
+
+static int acc_hid_start(struct hid_device *hid)
+{
+ return 0;
+}
+
+static void acc_hid_stop(struct hid_device *hid)
+{
+}
+
+static int acc_hid_open(struct hid_device *hid)
+{
+ return 0;
+}
+
+static void acc_hid_close(struct hid_device *hid)
+{
+}
+
+static int acc_hid_raw_request(struct hid_device *hid, unsigned char reportnum,
+ __u8 *buf, size_t len, unsigned char rtype, int reqtype)
+{
+ return 0;
+}
+
+static struct hid_ll_driver acc_hid_ll_driver = {
+ .parse = acc_hid_parse,
+ .start = acc_hid_start,
+ .stop = acc_hid_stop,
+ .open = acc_hid_open,
+ .close = acc_hid_close,
+ .raw_request = acc_hid_raw_request,
+};
+
+static struct acc_hid_dev *acc_hid_new(struct acc_dev *dev,
+ int id, int desc_len)
+{
+ struct acc_hid_dev *hdev;
+
+ hdev = kzalloc(sizeof(*hdev), GFP_ATOMIC);
+ if (!hdev)
+ return NULL;
+ hdev->report_desc = kzalloc(desc_len, GFP_ATOMIC);
+ if (!hdev->report_desc) {
+ kfree(hdev);
+ return NULL;
+ }
+ hdev->dev = dev;
+ hdev->id = id;
+ hdev->report_desc_len = desc_len;
+
+ return hdev;
+}
+
+static struct acc_hid_dev *acc_hid_get(struct list_head *list, int id)
+{
+ struct acc_hid_dev *hid;
+
+ list_for_each_entry(hid, list, list) {
+ if (hid->id == id)
+ return hid;
+ }
+ return NULL;
+}
+
+static int acc_register_hid(struct acc_dev *dev, int id, int desc_length)
+{
+ struct acc_hid_dev *hid;
+ unsigned long flags;
+
+ /* report descriptor length must be > 0 */
+ if (desc_length <= 0)
+ return -EINVAL;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ /* replace HID if one already exists with this ID */
+ hid = acc_hid_get(&dev->hid_list, id);
+ if (!hid)
+ hid = acc_hid_get(&dev->new_hid_list, id);
+ if (hid)
+ list_move(&hid->list, &dev->dead_hid_list);
+
+ hid = acc_hid_new(dev, id, desc_length);
+ if (!hid) {
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return -ENOMEM;
+ }
+
+ list_add(&hid->list, &dev->new_hid_list);
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ /* schedule work to register the HID device */
+ schedule_work(&dev->hid_work);
+ return 0;
+}
+
+static int acc_unregister_hid(struct acc_dev *dev, int id)
+{
+ struct acc_hid_dev *hid;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ hid = acc_hid_get(&dev->hid_list, id);
+ if (!hid)
+ hid = acc_hid_get(&dev->new_hid_list, id);
+ if (!hid) {
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return -EINVAL;
+ }
+
+ list_move(&hid->list, &dev->dead_hid_list);
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ schedule_work(&dev->hid_work);
+ return 0;
+}
+
+static int create_bulk_endpoints(struct acc_dev *dev,
+ struct usb_endpoint_descriptor *in_desc,
+ struct usb_endpoint_descriptor *out_desc)
+{
+ struct usb_composite_dev *cdev = dev->cdev;
+ struct usb_request *req;
+ struct usb_ep *ep;
+ int i;
+
+ DBG(cdev, "create_bulk_endpoints dev: %p\n", dev);
+
+ ep = usb_ep_autoconfig(cdev->gadget, in_desc);
+ if (!ep) {
+ DBG(cdev, "usb_ep_autoconfig for ep_in failed\n");
+ return -ENODEV;
+ }
+ DBG(cdev, "usb_ep_autoconfig for ep_in got %s\n", ep->name);
+ ep->driver_data = dev; /* claim the endpoint */
+ dev->ep_in = ep;
+
+ ep = usb_ep_autoconfig(cdev->gadget, out_desc);
+ if (!ep) {
+ DBG(cdev, "usb_ep_autoconfig for ep_out failed\n");
+ return -ENODEV;
+ }
+ DBG(cdev, "usb_ep_autoconfig for ep_out got %s\n", ep->name);
+ ep->driver_data = dev; /* claim the endpoint */
+ dev->ep_out = ep;
+
+ /* now allocate requests for our endpoints */
+ for (i = 0; i < TX_REQ_MAX; i++) {
+ req = acc_request_new(dev->ep_in, BULK_BUFFER_SIZE);
+ if (!req)
+ goto fail;
+ req->complete = acc_complete_in;
+ req_put(dev, &dev->tx_idle, req);
+ }
+ for (i = 0; i < RX_REQ_MAX; i++) {
+ req = acc_request_new(dev->ep_out, BULK_BUFFER_SIZE);
+ if (!req)
+ goto fail;
+ req->complete = acc_complete_out;
+ dev->rx_req[i] = req;
+ }
+
+ return 0;
+
+fail:
+ pr_err("acc_bind() could not allocate requests\n");
+ while ((req = req_get(dev, &dev->tx_idle)))
+ acc_request_free(req, dev->ep_in);
+ for (i = 0; i < RX_REQ_MAX; i++) {
+ acc_request_free(dev->rx_req[i], dev->ep_out);
+ dev->rx_req[i] = NULL;
+ }
+
+ return -1;
+}
+
+static ssize_t acc_read(struct file *fp, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct acc_dev *dev = fp->private_data;
+ struct usb_request *req;
+ ssize_t r = count;
+ ssize_t data_length;
+ unsigned xfer;
+ int ret = 0;
+
+ pr_debug("acc_read(%zu)\n", count);
+
+ if (dev->disconnected) {
+ pr_debug("acc_read disconnected");
+ return -ENODEV;
+ }
+
+ if (count > BULK_BUFFER_SIZE)
+ count = BULK_BUFFER_SIZE;
+
+ /* we will block until we're online */
+ pr_debug("acc_read: waiting for online\n");
+ ret = wait_event_interruptible(dev->read_wq, dev->online);
+ if (ret < 0) {
+ r = ret;
+ goto done;
+ }
+
+ if (!dev->rx_req[0]) {
+ pr_warn("acc_read: USB request already handled/freed");
+ r = -EINVAL;
+ goto done;
+ }
+
+ /*
+ * Calculate the data length by considering termination character.
+ * Then compansite the difference of rounding up to
+ * integer multiple of maxpacket size.
+ */
+ data_length = count;
+ data_length += dev->ep_out->maxpacket - 1;
+ data_length -= data_length % dev->ep_out->maxpacket;
+
+ if (dev->rx_done) {
+ // last req cancelled. try to get it.
+ req = dev->rx_req[0];
+ goto copy_data;
+ }
+
+requeue_req:
+ /* queue a request */
+ req = dev->rx_req[0];
+ req->length = data_length;
+ dev->rx_done = 0;
+ ret = usb_ep_queue(dev->ep_out, req, GFP_KERNEL);
+ if (ret < 0) {
+ r = -EIO;
+ goto done;
+ } else {
+ pr_debug("rx %p queue\n", req);
+ }
+
+ /* wait for a request to complete */
+ ret = wait_event_interruptible(dev->read_wq, dev->rx_done);
+ if (ret < 0) {
+ r = ret;
+ ret = usb_ep_dequeue(dev->ep_out, req);
+ if (ret != 0) {
+ // cancel failed. There can be a data already received.
+ // it will be retrieved in the next read.
+ pr_debug("acc_read: cancelling failed %d", ret);
+ }
+ goto done;
+ }
+
+copy_data:
+ dev->rx_done = 0;
+ if (dev->online) {
+ /* If we got a 0-len packet, throw it back and try again. */
+ if (req->actual == 0)
+ goto requeue_req;
+
+ pr_debug("rx %p %u\n", req, req->actual);
+ xfer = (req->actual < count) ? req->actual : count;
+ r = xfer;
+ if (copy_to_user(buf, req->buf, xfer))
+ r = -EFAULT;
+ } else
+ r = -EIO;
+
+done:
+ pr_debug("acc_read returning %zd\n", r);
+ return r;
+}
+
+static ssize_t acc_write(struct file *fp, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct acc_dev *dev = fp->private_data;
+ struct usb_request *req = 0;
+ ssize_t r = count;
+ unsigned xfer;
+ int ret;
+
+ pr_debug("acc_write(%zu)\n", count);
+
+ if (!dev->online || dev->disconnected) {
+ pr_debug("acc_write disconnected or not online");
+ return -ENODEV;
+ }
+
+ while (count > 0) {
+ /* get an idle tx request to use */
+ req = 0;
+ ret = wait_event_interruptible(dev->write_wq,
+ ((req = req_get(dev, &dev->tx_idle)) || !dev->online));
+ if (!dev->online || dev->disconnected) {
+ pr_debug("acc_write dev->error\n");
+ r = -EIO;
+ break;
+ }
+
+ if (!req) {
+ r = ret;
+ break;
+ }
+
+ if (count > BULK_BUFFER_SIZE) {
+ xfer = BULK_BUFFER_SIZE;
+ /* ZLP, They will be more TX requests so not yet. */
+ req->zero = 0;
+ } else {
+ xfer = count;
+ /* If the data length is a multple of the
+ * maxpacket size then send a zero length packet(ZLP).
+ */
+ req->zero = ((xfer % dev->ep_in->maxpacket) == 0);
+ }
+ if (copy_from_user(req->buf, buf, xfer)) {
+ r = -EFAULT;
+ break;
+ }
+
+ req->length = xfer;
+ ret = usb_ep_queue(dev->ep_in, req, GFP_KERNEL);
+ if (ret < 0) {
+ pr_debug("acc_write: xfer error %d\n", ret);
+ r = -EIO;
+ break;
+ }
+
+ buf += xfer;
+ count -= xfer;
+
+ /* zero this so we don't try to free it on error exit */
+ req = 0;
+ }
+
+ if (req)
+ req_put(dev, &dev->tx_idle, req);
+
+ pr_debug("acc_write returning %zd\n", r);
+ return r;
+}
+
+static long acc_ioctl(struct file *fp, unsigned code, unsigned long value)
+{
+ struct acc_dev *dev = fp->private_data;
+ char *src = NULL;
+ int ret;
+
+ switch (code) {
+ case ACCESSORY_GET_STRING_MANUFACTURER:
+ src = dev->manufacturer;
+ break;
+ case ACCESSORY_GET_STRING_MODEL:
+ src = dev->model;
+ break;
+ case ACCESSORY_GET_STRING_DESCRIPTION:
+ src = dev->description;
+ break;
+ case ACCESSORY_GET_STRING_VERSION:
+ src = dev->version;
+ break;
+ case ACCESSORY_GET_STRING_URI:
+ src = dev->uri;
+ break;
+ case ACCESSORY_GET_STRING_SERIAL:
+ src = dev->serial;
+ break;
+ case ACCESSORY_IS_START_REQUESTED:
+ return dev->start_requested;
+ case ACCESSORY_GET_AUDIO_MODE:
+ return dev->audio_mode;
+ }
+ if (!src)
+ return -EINVAL;
+
+ ret = strlen(src) + 1;
+ if (copy_to_user((void __user *)value, src, ret))
+ ret = -EFAULT;
+ return ret;
+}
+
+static int acc_open(struct inode *ip, struct file *fp)
+{
+ struct acc_dev *dev = get_acc_dev();
+
+ if (!dev)
+ return -ENODEV;
+
+ if (atomic_xchg(&dev->open_excl, 1)) {
+ put_acc_dev(dev);
+ return -EBUSY;
+ }
+
+ dev->disconnected = 0;
+ fp->private_data = dev;
+ return 0;
+}
+
+static int acc_release(struct inode *ip, struct file *fp)
+{
+ struct acc_dev *dev = fp->private_data;
+
+ if (!dev)
+ return -ENOENT;
+
+ /* indicate that we are disconnected
+ * still could be online so don't touch online flag
+ */
+ dev->disconnected = 1;
+
+ fp->private_data = NULL;
+ WARN_ON(!atomic_xchg(&dev->open_excl, 0));
+ put_acc_dev(dev);
+ return 0;
+}
+
+/* file operations for /dev/usb_accessory */
+static const struct file_operations acc_fops = {
+ .owner = THIS_MODULE,
+ .read = acc_read,
+ .write = acc_write,
+ .unlocked_ioctl = acc_ioctl,
+ .open = acc_open,
+ .release = acc_release,
+};
+
+static int acc_hid_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+
+ ret = hid_parse(hdev);
+ if (ret)
+ return ret;
+ return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+}
+
+static struct miscdevice acc_device = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "usb_accessory",
+ .fops = &acc_fops,
+};
+
+static const struct hid_device_id acc_hid_table[] = {
+ { HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) },
+ { }
+};
+
+static struct hid_driver acc_hid_driver = {
+ .name = "USB accessory",
+ .id_table = acc_hid_table,
+ .probe = acc_hid_probe,
+};
+
+static void acc_complete_setup_noop(struct usb_ep *ep, struct usb_request *req)
+{
+ /*
+ * Default no-op function when nothing needs to be done for the
+ * setup request
+ */
+}
+
+int acc_ctrlrequest(struct usb_composite_dev *cdev,
+ const struct usb_ctrlrequest *ctrl)
+{
+ struct acc_dev *dev = get_acc_dev();
+ int value = -EOPNOTSUPP;
+ struct acc_hid_dev *hid;
+ int offset;
+ u8 b_requestType = ctrl->bRequestType;
+ u8 b_request = ctrl->bRequest;
+ u16 w_index = le16_to_cpu(ctrl->wIndex);
+ u16 w_value = le16_to_cpu(ctrl->wValue);
+ u16 w_length = le16_to_cpu(ctrl->wLength);
+ unsigned long flags;
+
+ /*
+ * If instance is not created which is the case in power off charging
+ * mode, dev will be NULL. Hence return error if it is the case.
+ */
+ if (!dev)
+ return -ENODEV;
+
+ if (b_requestType == (USB_DIR_OUT | USB_TYPE_VENDOR)) {
+ if (b_request == ACCESSORY_START) {
+ dev->start_requested = 1;
+ schedule_delayed_work(
+ &dev->start_work, msecs_to_jiffies(10));
+ value = 0;
+ cdev->req->complete = acc_complete_setup_noop;
+ } else if (b_request == ACCESSORY_SEND_STRING) {
+ schedule_work(&dev->sendstring_work);
+ dev->string_index = w_index;
+ cdev->gadget->ep0->driver_data = dev;
+ cdev->req->complete = acc_complete_set_string;
+ value = w_length;
+ } else if (b_request == ACCESSORY_SET_AUDIO_MODE &&
+ w_index == 0 && w_length == 0) {
+ dev->audio_mode = w_value;
+ cdev->req->complete = acc_complete_setup_noop;
+ value = 0;
+ } else if (b_request == ACCESSORY_REGISTER_HID) {
+ cdev->req->complete = acc_complete_setup_noop;
+ value = acc_register_hid(dev, w_value, w_index);
+ } else if (b_request == ACCESSORY_UNREGISTER_HID) {
+ cdev->req->complete = acc_complete_setup_noop;
+ value = acc_unregister_hid(dev, w_value);
+ } else if (b_request == ACCESSORY_SET_HID_REPORT_DESC) {
+ spin_lock_irqsave(&dev->lock, flags);
+ hid = acc_hid_get(&dev->new_hid_list, w_value);
+ spin_unlock_irqrestore(&dev->lock, flags);
+ if (!hid) {
+ value = -EINVAL;
+ goto err;
+ }
+ offset = w_index;
+ if (offset != hid->report_desc_offset
+ || offset + w_length > hid->report_desc_len) {
+ value = -EINVAL;
+ goto err;
+ }
+ cdev->req->context = hid;
+ cdev->req->complete = acc_complete_set_hid_report_desc;
+ value = w_length;
+ } else if (b_request == ACCESSORY_SEND_HID_EVENT) {
+ spin_lock_irqsave(&dev->lock, flags);
+ hid = acc_hid_get(&dev->hid_list, w_value);
+ spin_unlock_irqrestore(&dev->lock, flags);
+ if (!hid) {
+ value = -EINVAL;
+ goto err;
+ }
+ cdev->req->context = hid;
+ cdev->req->complete = acc_complete_send_hid_event;
+ value = w_length;
+ }
+ } else if (b_requestType == (USB_DIR_IN | USB_TYPE_VENDOR)) {
+ if (b_request == ACCESSORY_GET_PROTOCOL) {
+ schedule_work(&dev->getprotocol_work);
+ *((u16 *)cdev->req->buf) = PROTOCOL_VERSION;
+ value = sizeof(u16);
+ cdev->req->complete = acc_complete_setup_noop;
+ /* clear any string left over from a previous session */
+ memset(dev->manufacturer, 0, sizeof(dev->manufacturer));
+ memset(dev->model, 0, sizeof(dev->model));
+ memset(dev->description, 0, sizeof(dev->description));
+ memset(dev->version, 0, sizeof(dev->version));
+ memset(dev->uri, 0, sizeof(dev->uri));
+ memset(dev->serial, 0, sizeof(dev->serial));
+ dev->start_requested = 0;
+ dev->audio_mode = 0;
+ }
+ }
+
+ if (value >= 0) {
+ cdev->req->zero = 0;
+ cdev->req->length = value;
+ value = usb_ep_queue(cdev->gadget->ep0, cdev->req, GFP_ATOMIC);
+ if (value < 0)
+ ERROR(cdev, "%s setup response queue error\n",
+ __func__);
+ }
+
+err:
+ if (value == -EOPNOTSUPP)
+ VDBG(cdev,
+ "unknown class-specific control req "
+ "%02x.%02x v%04x i%04x l%u\n",
+ ctrl->bRequestType, ctrl->bRequest,
+ w_value, w_index, w_length);
+ put_acc_dev(dev);
+ return value;
+}
+EXPORT_SYMBOL_GPL(acc_ctrlrequest);
+
+static int
+__acc_function_bind(struct usb_configuration *c,
+ struct usb_function *f, bool configfs)
+{
+ struct usb_composite_dev *cdev = c->cdev;
+ struct acc_dev *dev = func_to_dev(f);
+ int id;
+ int ret;
+
+ DBG(cdev, "acc_function_bind dev: %p\n", dev);
+
+ if (configfs) {
+ if (acc_string_defs[INTERFACE_STRING_INDEX].id == 0) {
+ ret = usb_string_id(c->cdev);
+ if (ret < 0)
+ return ret;
+ acc_string_defs[INTERFACE_STRING_INDEX].id = ret;
+ acc_interface_desc.iInterface = ret;
+ }
+ dev->cdev = c->cdev;
+ }
+ ret = hid_register_driver(&acc_hid_driver);
+ if (ret)
+ return ret;
+
+ dev->start_requested = 0;
+
+ /* allocate interface ID(s) */
+ id = usb_interface_id(c, f);
+ if (id < 0)
+ return id;
+ acc_interface_desc.bInterfaceNumber = id;
+
+ /* allocate endpoints */
+ ret = create_bulk_endpoints(dev, &acc_fullspeed_in_desc,
+ &acc_fullspeed_out_desc);
+ if (ret)
+ return ret;
+
+ /* support high speed hardware */
+ acc_highspeed_in_desc.bEndpointAddress =
+ acc_fullspeed_in_desc.bEndpointAddress;
+ acc_highspeed_out_desc.bEndpointAddress =
+ acc_fullspeed_out_desc.bEndpointAddress;
+
+ /* support super speed hardware */
+ acc_superspeed_in_desc.bEndpointAddress =
+ acc_fullspeed_in_desc.bEndpointAddress;
+ acc_superspeed_out_desc.bEndpointAddress =
+ acc_fullspeed_out_desc.bEndpointAddress;
+
+ /* support super speed plus hardware */
+ acc_superspeedplus_in_desc.bEndpointAddress =
+ acc_fullspeed_in_desc.bEndpointAddress;
+ acc_superspeedplus_out_desc.bEndpointAddress =
+ acc_fullspeed_out_desc.bEndpointAddress;
+
+ DBG(cdev, "%s speed %s: IN/%s, OUT/%s\n",
+ gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
+ f->name, dev->ep_in->name, dev->ep_out->name);
+ return 0;
+}
+
+static int
+acc_function_bind_configfs(struct usb_configuration *c,
+ struct usb_function *f) {
+ return __acc_function_bind(c, f, true);
+}
+
+static void
+kill_all_hid_devices(struct acc_dev *dev)
+{
+ struct acc_hid_dev *hid;
+ struct list_head *entry, *temp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ list_for_each_safe(entry, temp, &dev->hid_list) {
+ hid = list_entry(entry, struct acc_hid_dev, list);
+ list_del(&hid->list);
+ list_add(&hid->list, &dev->dead_hid_list);
+ }
+ list_for_each_safe(entry, temp, &dev->new_hid_list) {
+ hid = list_entry(entry, struct acc_hid_dev, list);
+ list_del(&hid->list);
+ list_add(&hid->list, &dev->dead_hid_list);
+ }
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ schedule_work(&dev->hid_work);
+}
+
+static void
+acc_hid_unbind(struct acc_dev *dev)
+{
+ hid_unregister_driver(&acc_hid_driver);
+ kill_all_hid_devices(dev);
+}
+
+static void
+acc_function_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+ struct acc_dev *dev = func_to_dev(f);
+ struct usb_request *req;
+ int i;
+
+ dev->online = 0; /* clear online flag */
+ wake_up(&dev->read_wq); /* unblock reads on closure */
+ wake_up(&dev->write_wq); /* likewise for writes */
+
+ while ((req = req_get(dev, &dev->tx_idle)))
+ acc_request_free(req, dev->ep_in);
+ for (i = 0; i < RX_REQ_MAX; i++) {
+ acc_request_free(dev->rx_req[i], dev->ep_out);
+ dev->rx_req[i] = NULL;
+ }
+
+ acc_hid_unbind(dev);
+}
+
+static void acc_getprotocol_work(struct work_struct *data)
+{
+ char *envp[2] = { "ACCESSORY=GETPROTOCOL", NULL };
+
+ kobject_uevent_env(&acc_device.this_device->kobj, KOBJ_CHANGE, envp);
+}
+
+static void acc_sendstring_work(struct work_struct *data)
+{
+ char *envp[2] = { "ACCESSORY=SENDSTRING", NULL };
+
+ kobject_uevent_env(&acc_device.this_device->kobj, KOBJ_CHANGE, envp);
+}
+
+static void acc_start_work(struct work_struct *data)
+{
+ char *envp[2] = { "ACCESSORY=START", NULL };
+
+ kobject_uevent_env(&acc_device.this_device->kobj, KOBJ_CHANGE, envp);
+}
+
+static int acc_hid_init(struct acc_hid_dev *hdev)
+{
+ struct hid_device *hid;
+ int ret;
+
+ hid = hid_allocate_device();
+ if (IS_ERR(hid))
+ return PTR_ERR(hid);
+
+ hid->ll_driver = &acc_hid_ll_driver;
+ hid->dev.parent = acc_device.this_device;
+
+ hid->bus = BUS_USB;
+ hid->vendor = HID_ANY_ID;
+ hid->product = HID_ANY_ID;
+ hid->driver_data = hdev;
+ ret = hid_add_device(hid);
+ if (ret) {
+ pr_err("can't add hid device: %d\n", ret);
+ hid_destroy_device(hid);
+ return ret;
+ }
+
+ hdev->hid = hid;
+ return 0;
+}
+
+static void acc_hid_delete(struct acc_hid_dev *hid)
+{
+ kfree(hid->report_desc);
+ kfree(hid);
+}
+
+static void acc_hid_work(struct work_struct *data)
+{
+ struct acc_dev *dev = get_acc_dev();
+ struct list_head *entry, *temp;
+ struct acc_hid_dev *hid;
+ struct list_head new_list, dead_list;
+ unsigned long flags;
+
+ if (!dev)
+ return;
+
+ INIT_LIST_HEAD(&new_list);
+
+ spin_lock_irqsave(&dev->lock, flags);
+
+ /* copy hids that are ready for initialization to new_list */
+ list_for_each_safe(entry, temp, &dev->new_hid_list) {
+ hid = list_entry(entry, struct acc_hid_dev, list);
+ if (hid->report_desc_offset == hid->report_desc_len)
+ list_move(&hid->list, &new_list);
+ }
+
+ if (list_empty(&dev->dead_hid_list)) {
+ INIT_LIST_HEAD(&dead_list);
+ } else {
+ /* move all of dev->dead_hid_list to dead_list */
+ dead_list.prev = dev->dead_hid_list.prev;
+ dead_list.next = dev->dead_hid_list.next;
+ dead_list.next->prev = &dead_list;
+ dead_list.prev->next = &dead_list;
+ INIT_LIST_HEAD(&dev->dead_hid_list);
+ }
+
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ /* register new HID devices */
+ list_for_each_safe(entry, temp, &new_list) {
+ hid = list_entry(entry, struct acc_hid_dev, list);
+ if (acc_hid_init(hid)) {
+ pr_err("can't add HID device %p\n", hid);
+ acc_hid_delete(hid);
+ } else {
+ spin_lock_irqsave(&dev->lock, flags);
+ list_move(&hid->list, &dev->hid_list);
+ spin_unlock_irqrestore(&dev->lock, flags);
+ }
+ }
+
+ /* remove dead HID devices */
+ list_for_each_safe(entry, temp, &dead_list) {
+ hid = list_entry(entry, struct acc_hid_dev, list);
+ list_del(&hid->list);
+ if (hid->hid)
+ hid_destroy_device(hid->hid);
+ acc_hid_delete(hid);
+ }
+
+ put_acc_dev(dev);
+}
+
+static int acc_function_set_alt(struct usb_function *f,
+ unsigned intf, unsigned alt)
+{
+ struct acc_dev *dev = func_to_dev(f);
+ struct usb_composite_dev *cdev = f->config->cdev;
+ int ret;
+
+ DBG(cdev, "acc_function_set_alt intf: %d alt: %d\n", intf, alt);
+
+ ret = config_ep_by_speed(cdev->gadget, f, dev->ep_in);
+ if (ret)
+ return ret;
+
+ ret = usb_ep_enable(dev->ep_in);
+ if (ret)
+ return ret;
+
+ ret = config_ep_by_speed(cdev->gadget, f, dev->ep_out);
+ if (ret)
+ return ret;
+
+ ret = usb_ep_enable(dev->ep_out);
+ if (ret) {
+ usb_ep_disable(dev->ep_in);
+ return ret;
+ }
+
+ dev->online = 1;
+ dev->disconnected = 0; /* if online then not disconnected */
+
+ /* readers may be blocked waiting for us to go online */
+ wake_up(&dev->read_wq);
+ return 0;
+}
+
+static void acc_function_disable(struct usb_function *f)
+{
+ struct acc_dev *dev = func_to_dev(f);
+ struct usb_composite_dev *cdev = dev->cdev;
+
+ DBG(cdev, "acc_function_disable\n");
+ acc_set_disconnected(dev); /* this now only sets disconnected */
+ dev->online = 0; /* so now need to clear online flag here too */
+ usb_ep_disable(dev->ep_in);
+ usb_ep_disable(dev->ep_out);
+
+ /* readers may be blocked waiting for us to go online */
+ wake_up(&dev->read_wq);
+
+ VDBG(cdev, "%s disabled\n", dev->function.name);
+}
+
+static int acc_setup(void)
+{
+ struct acc_dev_ref *ref = &_acc_dev_ref;
+ struct acc_dev *dev;
+ int ret;
+
+ if (kref_read(&ref->kref))
+ return -EBUSY;
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev)
+ return -ENOMEM;
+
+ spin_lock_init(&dev->lock);
+ init_waitqueue_head(&dev->read_wq);
+ init_waitqueue_head(&dev->write_wq);
+ atomic_set(&dev->open_excl, 0);
+ INIT_LIST_HEAD(&dev->tx_idle);
+ INIT_LIST_HEAD(&dev->hid_list);
+ INIT_LIST_HEAD(&dev->new_hid_list);
+ INIT_LIST_HEAD(&dev->dead_hid_list);
+ INIT_DELAYED_WORK(&dev->start_work, acc_start_work);
+ INIT_WORK(&dev->hid_work, acc_hid_work);
+ INIT_WORK(&dev->getprotocol_work, acc_getprotocol_work);
+ INIT_WORK(&dev->sendstring_work, acc_sendstring_work);
+
+ dev->ref = ref;
+ if (cmpxchg_relaxed(&ref->acc_dev, NULL, dev)) {
+ ret = -EBUSY;
+ goto err_free_dev;
+ }
+
+ ret = misc_register(&acc_device);
+ if (ret)
+ goto err_zap_ptr;
+
+ kref_init(&ref->kref);
+ return 0;
+
+err_zap_ptr:
+ ref->acc_dev = NULL;
+err_free_dev:
+ kfree(dev);
+ pr_err("USB accessory gadget driver failed to initialize\n");
+ return ret;
+}
+
+void acc_disconnect(void)
+{
+ struct acc_dev *dev = get_acc_dev();
+
+ if (!dev)
+ return;
+
+ /* unregister all HID devices if USB is disconnected */
+ kill_all_hid_devices(dev);
+ put_acc_dev(dev);
+}
+EXPORT_SYMBOL_GPL(acc_disconnect);
+
+static void acc_cleanup(void)
+{
+ struct acc_dev *dev = get_acc_dev();
+
+ misc_deregister(&acc_device);
+ put_acc_dev(dev);
+ put_acc_dev(dev); /* Pairs with kref_init() in acc_setup() */
+}
+static struct acc_instance *to_acc_instance(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct acc_instance,
+ func_inst.group);
+}
+
+static void acc_attr_release(struct config_item *item)
+{
+ struct acc_instance *fi_acc = to_acc_instance(item);
+
+ usb_put_function_instance(&fi_acc->func_inst);
+}
+
+static struct configfs_item_operations acc_item_ops = {
+ .release = acc_attr_release,
+};
+
+static struct config_item_type acc_func_type = {
+ .ct_item_ops = &acc_item_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static struct acc_instance *to_fi_acc(struct usb_function_instance *fi)
+{
+ return container_of(fi, struct acc_instance, func_inst);
+}
+
+static int acc_set_inst_name(struct usb_function_instance *fi, const char *name)
+{
+ struct acc_instance *fi_acc;
+ char *ptr;
+ int name_len;
+
+ name_len = strlen(name) + 1;
+ if (name_len > MAX_INST_NAME_LEN)
+ return -ENAMETOOLONG;
+
+ ptr = kstrndup(name, name_len, GFP_KERNEL);
+ if (!ptr)
+ return -ENOMEM;
+
+ fi_acc = to_fi_acc(fi);
+ fi_acc->name = ptr;
+ return 0;
+}
+
+static void acc_free_inst(struct usb_function_instance *fi)
+{
+ struct acc_instance *fi_acc;
+
+ fi_acc = to_fi_acc(fi);
+ kfree(fi_acc->name);
+ acc_cleanup();
+}
+
+static struct usb_function_instance *acc_alloc_inst(void)
+{
+ struct acc_instance *fi_acc;
+ int err;
+
+ fi_acc = kzalloc(sizeof(*fi_acc), GFP_KERNEL);
+ if (!fi_acc)
+ return ERR_PTR(-ENOMEM);
+ fi_acc->func_inst.set_inst_name = acc_set_inst_name;
+ fi_acc->func_inst.free_func_inst = acc_free_inst;
+
+ err = acc_setup();
+ if (err) {
+ kfree(fi_acc);
+ return ERR_PTR(err);
+ }
+
+ config_group_init_type_name(&fi_acc->func_inst.group,
+ "", &acc_func_type);
+ return &fi_acc->func_inst;
+}
+
+static void acc_free(struct usb_function *f)
+{
+ struct acc_dev *dev = func_to_dev(f);
+
+ put_acc_dev(dev);
+}
+
+int acc_ctrlrequest_configfs(struct usb_function *f,
+ const struct usb_ctrlrequest *ctrl) {
+ if (f->config != NULL && f->config->cdev != NULL)
+ return acc_ctrlrequest(f->config->cdev, ctrl);
+ else
+ return -1;
+}
+
+static struct usb_function *acc_alloc(struct usb_function_instance *fi)
+{
+ struct acc_dev *dev = get_acc_dev();
+
+ dev->function.name = "accessory";
+ dev->function.strings = acc_strings,
+ dev->function.fs_descriptors = fs_acc_descs;
+ dev->function.hs_descriptors = hs_acc_descs;
+ dev->function.ss_descriptors = ss_acc_descs;
+ dev->function.ssp_descriptors = ssp_acc_descs;
+ dev->function.bind = acc_function_bind_configfs;
+ dev->function.unbind = acc_function_unbind;
+ dev->function.set_alt = acc_function_set_alt;
+ dev->function.disable = acc_function_disable;
+ dev->function.free_func = acc_free;
+ dev->function.setup = acc_ctrlrequest_configfs;
+
+ return &dev->function;
+}
+DECLARE_USB_FUNCTION_INIT(accessory, acc_alloc_inst, acc_alloc);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/function/f_audio_source.c b/drivers/usb/gadget/function/f_audio_source.c
new file mode 100644
index 0000000..c768a52
--- /dev/null
+++ b/drivers/usb/gadget/function/f_audio_source.c
@@ -0,0 +1,1071 @@
+/*
+ * Gadget Function Driver for USB audio source device
+ *
+ * Copyright (C) 2012 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/usb/audio.h>
+#include <linux/wait.h>
+#include <linux/pm_qos.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+
+#include <linux/usb.h>
+#include <linux/usb_usual.h>
+#include <linux/usb/ch9.h>
+#include <linux/configfs.h>
+#include <linux/usb/composite.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#define SAMPLE_RATE 44100
+#define FRAMES_PER_MSEC (SAMPLE_RATE / 1000)
+
+#define IN_EP_MAX_PACKET_SIZE 256
+
+/* Number of requests to allocate */
+#define IN_EP_REQ_COUNT 4
+
+#define AUDIO_AC_INTERFACE 0
+#define AUDIO_AS_INTERFACE 1
+#define AUDIO_NUM_INTERFACES 2
+#define MAX_INST_NAME_LEN 40
+
+/* B.3.1 Standard AC Interface Descriptor */
+static struct usb_interface_descriptor ac_interface_desc = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bNumEndpoints = 0,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
+};
+
+DECLARE_UAC_AC_HEADER_DESCRIPTOR(2);
+
+#define UAC_DT_AC_HEADER_LENGTH UAC_DT_AC_HEADER_SIZE(AUDIO_NUM_INTERFACES)
+/* 1 input terminal, 1 output terminal and 1 feature unit */
+#define UAC_DT_TOTAL_LENGTH (UAC_DT_AC_HEADER_LENGTH \
+ + UAC_DT_INPUT_TERMINAL_SIZE + UAC_DT_OUTPUT_TERMINAL_SIZE \
+ + UAC_DT_FEATURE_UNIT_SIZE(0))
+/* B.3.2 Class-Specific AC Interface Descriptor */
+static struct uac1_ac_header_descriptor_2 ac_header_desc = {
+ .bLength = UAC_DT_AC_HEADER_LENGTH,
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = UAC_HEADER,
+ .bcdADC = __constant_cpu_to_le16(0x0100),
+ .wTotalLength = __constant_cpu_to_le16(UAC_DT_TOTAL_LENGTH),
+ .bInCollection = AUDIO_NUM_INTERFACES,
+ .baInterfaceNr = {
+ [0] = AUDIO_AC_INTERFACE,
+ [1] = AUDIO_AS_INTERFACE,
+ }
+};
+
+#define INPUT_TERMINAL_ID 1
+static struct uac_input_terminal_descriptor input_terminal_desc = {
+ .bLength = UAC_DT_INPUT_TERMINAL_SIZE,
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = UAC_INPUT_TERMINAL,
+ .bTerminalID = INPUT_TERMINAL_ID,
+ .wTerminalType = UAC_INPUT_TERMINAL_MICROPHONE,
+ .bAssocTerminal = 0,
+ .wChannelConfig = 0x3,
+};
+
+DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(0);
+
+#define FEATURE_UNIT_ID 2
+static struct uac_feature_unit_descriptor_0 feature_unit_desc = {
+ .bLength = UAC_DT_FEATURE_UNIT_SIZE(0),
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = UAC_FEATURE_UNIT,
+ .bUnitID = FEATURE_UNIT_ID,
+ .bSourceID = INPUT_TERMINAL_ID,
+ .bControlSize = 2,
+};
+
+#define OUTPUT_TERMINAL_ID 3
+static struct uac1_output_terminal_descriptor output_terminal_desc = {
+ .bLength = UAC_DT_OUTPUT_TERMINAL_SIZE,
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = UAC_OUTPUT_TERMINAL,
+ .bTerminalID = OUTPUT_TERMINAL_ID,
+ .wTerminalType = UAC_TERMINAL_STREAMING,
+ .bAssocTerminal = FEATURE_UNIT_ID,
+ .bSourceID = FEATURE_UNIT_ID,
+};
+
+/* B.4.1 Standard AS Interface Descriptor */
+static struct usb_interface_descriptor as_interface_alt_0_desc = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 0,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING,
+};
+
+static struct usb_interface_descriptor as_interface_alt_1_desc = {
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bAlternateSetting = 1,
+ .bNumEndpoints = 1,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING,
+};
+
+/* B.4.2 Class-Specific AS Interface Descriptor */
+static struct uac1_as_header_descriptor as_header_desc = {
+ .bLength = UAC_DT_AS_HEADER_SIZE,
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = UAC_AS_GENERAL,
+ .bTerminalLink = INPUT_TERMINAL_ID,
+ .bDelay = 1,
+ .wFormatTag = UAC_FORMAT_TYPE_I_PCM,
+};
+
+DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(1);
+
+static struct uac_format_type_i_discrete_descriptor_1 as_type_i_desc = {
+ .bLength = UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(1),
+ .bDescriptorType = USB_DT_CS_INTERFACE,
+ .bDescriptorSubtype = UAC_FORMAT_TYPE,
+ .bFormatType = UAC_FORMAT_TYPE_I,
+ .bSubframeSize = 2,
+ .bBitResolution = 16,
+ .bSamFreqType = 1,
+};
+
+/* Standard ISO IN Endpoint Descriptor for highspeed */
+static struct usb_endpoint_descriptor hs_as_in_ep_desc = {
+ .bLength = USB_DT_ENDPOINT_AUDIO_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_SYNC_SYNC
+ | USB_ENDPOINT_XFER_ISOC,
+ .wMaxPacketSize = __constant_cpu_to_le16(IN_EP_MAX_PACKET_SIZE),
+ .bInterval = 4, /* poll 1 per millisecond */
+};
+
+/* Standard ISO IN Endpoint Descriptor for highspeed */
+static struct usb_endpoint_descriptor fs_as_in_ep_desc = {
+ .bLength = USB_DT_ENDPOINT_AUDIO_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_SYNC_SYNC
+ | USB_ENDPOINT_XFER_ISOC,
+ .wMaxPacketSize = __constant_cpu_to_le16(IN_EP_MAX_PACKET_SIZE),
+ .bInterval = 1, /* poll 1 per millisecond */
+};
+
+/* Class-specific AS ISO OUT Endpoint Descriptor */
+static struct uac_iso_endpoint_descriptor as_iso_in_desc = {
+ .bLength = UAC_ISO_ENDPOINT_DESC_SIZE,
+ .bDescriptorType = USB_DT_CS_ENDPOINT,
+ .bDescriptorSubtype = UAC_EP_GENERAL,
+ .bmAttributes = 1,
+ .bLockDelayUnits = 1,
+ .wLockDelay = __constant_cpu_to_le16(1),
+};
+
+static struct usb_descriptor_header *hs_audio_desc[] = {
+ (struct usb_descriptor_header *)&ac_interface_desc,
+ (struct usb_descriptor_header *)&ac_header_desc,
+
+ (struct usb_descriptor_header *)&input_terminal_desc,
+ (struct usb_descriptor_header *)&output_terminal_desc,
+ (struct usb_descriptor_header *)&feature_unit_desc,
+
+ (struct usb_descriptor_header *)&as_interface_alt_0_desc,
+ (struct usb_descriptor_header *)&as_interface_alt_1_desc,
+ (struct usb_descriptor_header *)&as_header_desc,
+
+ (struct usb_descriptor_header *)&as_type_i_desc,
+
+ (struct usb_descriptor_header *)&hs_as_in_ep_desc,
+ (struct usb_descriptor_header *)&as_iso_in_desc,
+ NULL,
+};
+
+static struct usb_descriptor_header *fs_audio_desc[] = {
+ (struct usb_descriptor_header *)&ac_interface_desc,
+ (struct usb_descriptor_header *)&ac_header_desc,
+
+ (struct usb_descriptor_header *)&input_terminal_desc,
+ (struct usb_descriptor_header *)&output_terminal_desc,
+ (struct usb_descriptor_header *)&feature_unit_desc,
+
+ (struct usb_descriptor_header *)&as_interface_alt_0_desc,
+ (struct usb_descriptor_header *)&as_interface_alt_1_desc,
+ (struct usb_descriptor_header *)&as_header_desc,
+
+ (struct usb_descriptor_header *)&as_type_i_desc,
+
+ (struct usb_descriptor_header *)&fs_as_in_ep_desc,
+ (struct usb_descriptor_header *)&as_iso_in_desc,
+ NULL,
+};
+
+static struct snd_pcm_hardware audio_hw_info = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_BATCH |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
+
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .channels_min = 2,
+ .channels_max = 2,
+ .rate_min = SAMPLE_RATE,
+ .rate_max = SAMPLE_RATE,
+
+ .buffer_bytes_max = 1024 * 1024,
+ .period_bytes_min = 64,
+ .period_bytes_max = 512 * 1024,
+ .periods_min = 2,
+ .periods_max = 1024,
+};
+
+/*-------------------------------------------------------------------------*/
+
+struct audio_source_config {
+ int card;
+ int device;
+};
+
+struct audio_dev {
+ struct usb_function func;
+ struct snd_card *card;
+ struct snd_pcm *pcm;
+ struct snd_pcm_substream *substream;
+
+ struct list_head idle_reqs;
+ struct usb_ep *in_ep;
+
+ spinlock_t lock;
+
+ /* beginning, end and current position in our buffer */
+ void *buffer_start;
+ void *buffer_end;
+ void *buffer_pos;
+
+ /* byte size of a "period" */
+ unsigned int period;
+ /* bytes sent since last call to snd_pcm_period_elapsed */
+ unsigned int period_offset;
+ /* time we started playing */
+ ktime_t start_time;
+ /* number of frames sent since start_time */
+ s64 frames_sent;
+ struct audio_source_config *config;
+ /* for creating and issuing QoS requests */
+ struct pm_qos_request pm_qos;
+};
+
+static inline struct audio_dev *func_to_audio(struct usb_function *f)
+{
+ return container_of(f, struct audio_dev, func);
+}
+
+/*-------------------------------------------------------------------------*/
+
+struct audio_source_instance {
+ struct usb_function_instance func_inst;
+ const char *name;
+ struct audio_source_config *config;
+ struct device *audio_device;
+};
+
+static void audio_source_attr_release(struct config_item *item);
+
+static struct configfs_item_operations audio_source_item_ops = {
+ .release = audio_source_attr_release,
+};
+
+static struct config_item_type audio_source_func_type = {
+ .ct_item_ops = &audio_source_item_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+static ssize_t audio_source_pcm_show(struct device *dev,
+ struct device_attribute *attr, char *buf);
+
+static DEVICE_ATTR(pcm, S_IRUGO, audio_source_pcm_show, NULL);
+
+static struct device_attribute *audio_source_function_attributes[] = {
+ &dev_attr_pcm,
+ NULL
+};
+
+/*--------------------------------------------------------------------------*/
+
+static struct usb_request *audio_request_new(struct usb_ep *ep, int buffer_size)
+{
+ struct usb_request *req = usb_ep_alloc_request(ep, GFP_KERNEL);
+
+ if (!req)
+ return NULL;
+
+ req->buf = kmalloc(buffer_size, GFP_KERNEL);
+ if (!req->buf) {
+ usb_ep_free_request(ep, req);
+ return NULL;
+ }
+ req->length = buffer_size;
+ return req;
+}
+
+static void audio_request_free(struct usb_request *req, struct usb_ep *ep)
+{
+ if (req) {
+ kfree(req->buf);
+ usb_ep_free_request(ep, req);
+ }
+}
+
+static void audio_req_put(struct audio_dev *audio, struct usb_request *req)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&audio->lock, flags);
+ list_add_tail(&req->list, &audio->idle_reqs);
+ spin_unlock_irqrestore(&audio->lock, flags);
+}
+
+static struct usb_request *audio_req_get(struct audio_dev *audio)
+{
+ unsigned long flags;
+ struct usb_request *req;
+
+ spin_lock_irqsave(&audio->lock, flags);
+ if (list_empty(&audio->idle_reqs)) {
+ req = 0;
+ } else {
+ req = list_first_entry(&audio->idle_reqs, struct usb_request,
+ list);
+ list_del(&req->list);
+ }
+ spin_unlock_irqrestore(&audio->lock, flags);
+ return req;
+}
+
+/* send the appropriate number of packets to match our bitrate */
+static void audio_send(struct audio_dev *audio)
+{
+ struct snd_pcm_runtime *runtime;
+ struct usb_request *req;
+ int length, length1, length2, ret;
+ s64 msecs;
+ s64 frames;
+ ktime_t now;
+
+ /* audio->substream will be null if we have been closed */
+ if (!audio->substream)
+ return;
+ /* audio->buffer_pos will be null if we have been stopped */
+ if (!audio->buffer_pos)
+ return;
+
+ runtime = audio->substream->runtime;
+
+ /* compute number of frames to send */
+ now = ktime_get();
+ msecs = div_s64((ktime_to_ns(now) - ktime_to_ns(audio->start_time)),
+ 1000000);
+ frames = div_s64((msecs * SAMPLE_RATE), 1000);
+
+ /* Readjust our frames_sent if we fall too far behind.
+ * If we get too far behind it is better to drop some frames than
+ * to keep sending data too fast in an attempt to catch up.
+ */
+ if (frames - audio->frames_sent > 10 * FRAMES_PER_MSEC)
+ audio->frames_sent = frames - FRAMES_PER_MSEC;
+
+ frames -= audio->frames_sent;
+
+ /* We need to send something to keep the pipeline going */
+ if (frames <= 0)
+ frames = FRAMES_PER_MSEC;
+
+ while (frames > 0) {
+ req = audio_req_get(audio);
+ if (!req)
+ break;
+
+ length = frames_to_bytes(runtime, frames);
+ if (length > IN_EP_MAX_PACKET_SIZE)
+ length = IN_EP_MAX_PACKET_SIZE;
+
+ if (audio->buffer_pos + length > audio->buffer_end)
+ length1 = audio->buffer_end - audio->buffer_pos;
+ else
+ length1 = length;
+ memcpy(req->buf, audio->buffer_pos, length1);
+ if (length1 < length) {
+ /* Wrap around and copy remaining length
+ * at beginning of buffer.
+ */
+ length2 = length - length1;
+ memcpy(req->buf + length1, audio->buffer_start,
+ length2);
+ audio->buffer_pos = audio->buffer_start + length2;
+ } else {
+ audio->buffer_pos += length1;
+ if (audio->buffer_pos >= audio->buffer_end)
+ audio->buffer_pos = audio->buffer_start;
+ }
+
+ req->length = length;
+ ret = usb_ep_queue(audio->in_ep, req, GFP_ATOMIC);
+ if (ret < 0) {
+ pr_err("usb_ep_queue failed ret: %d\n", ret);
+ audio_req_put(audio, req);
+ break;
+ }
+
+ frames -= bytes_to_frames(runtime, length);
+ audio->frames_sent += bytes_to_frames(runtime, length);
+ }
+}
+
+static void audio_control_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ /* nothing to do here */
+}
+
+static void audio_data_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ struct audio_dev *audio = req->context;
+
+ pr_debug("audio_data_complete req->status %d req->actual %d\n",
+ req->status, req->actual);
+
+ audio_req_put(audio, req);
+
+ if (!audio->buffer_start || req->status)
+ return;
+
+ audio->period_offset += req->actual;
+ if (audio->period_offset >= audio->period) {
+ snd_pcm_period_elapsed(audio->substream);
+ audio->period_offset = 0;
+ }
+ audio_send(audio);
+}
+
+static int audio_set_endpoint_req(struct usb_function *f,
+ const struct usb_ctrlrequest *ctrl)
+{
+ int value = -EOPNOTSUPP;
+ u16 ep = le16_to_cpu(ctrl->wIndex);
+ u16 len = le16_to_cpu(ctrl->wLength);
+ u16 w_value = le16_to_cpu(ctrl->wValue);
+
+ pr_debug("bRequest 0x%x, w_value 0x%04x, len %d, endpoint %d\n",
+ ctrl->bRequest, w_value, len, ep);
+
+ switch (ctrl->bRequest) {
+ case UAC_SET_CUR:
+ case UAC_SET_MIN:
+ case UAC_SET_MAX:
+ case UAC_SET_RES:
+ value = len;
+ break;
+ default:
+ break;
+ }
+
+ return value;
+}
+
+static int audio_get_endpoint_req(struct usb_function *f,
+ const struct usb_ctrlrequest *ctrl)
+{
+ struct usb_composite_dev *cdev = f->config->cdev;
+ int value = -EOPNOTSUPP;
+ u8 ep = ((le16_to_cpu(ctrl->wIndex) >> 8) & 0xFF);
+ u16 len = le16_to_cpu(ctrl->wLength);
+ u16 w_value = le16_to_cpu(ctrl->wValue);
+ u8 *buf = cdev->req->buf;
+
+ pr_debug("bRequest 0x%x, w_value 0x%04x, len %d, endpoint %d\n",
+ ctrl->bRequest, w_value, len, ep);
+
+ if (w_value == UAC_EP_CS_ATTR_SAMPLE_RATE << 8) {
+ switch (ctrl->bRequest) {
+ case UAC_GET_CUR:
+ case UAC_GET_MIN:
+ case UAC_GET_MAX:
+ case UAC_GET_RES:
+ /* return our sample rate */
+ buf[0] = (u8)SAMPLE_RATE;
+ buf[1] = (u8)(SAMPLE_RATE >> 8);
+ buf[2] = (u8)(SAMPLE_RATE >> 16);
+ value = 3;
+ break;
+ default:
+ break;
+ }
+ }
+
+ return value;
+}
+
+static int
+audio_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
+{
+ struct usb_composite_dev *cdev = f->config->cdev;
+ struct usb_request *req = cdev->req;
+ int value = -EOPNOTSUPP;
+ u16 w_index = le16_to_cpu(ctrl->wIndex);
+ u16 w_value = le16_to_cpu(ctrl->wValue);
+ u16 w_length = le16_to_cpu(ctrl->wLength);
+
+ /* composite driver infrastructure handles everything; interface
+ * activation uses set_alt().
+ */
+ switch (ctrl->bRequestType) {
+ case USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT:
+ value = audio_set_endpoint_req(f, ctrl);
+ break;
+
+ case USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT:
+ value = audio_get_endpoint_req(f, ctrl);
+ break;
+ }
+
+ /* respond with data transfer or status phase? */
+ if (value >= 0) {
+ pr_debug("audio req%02x.%02x v%04x i%04x l%d\n",
+ ctrl->bRequestType, ctrl->bRequest,
+ w_value, w_index, w_length);
+ req->zero = 0;
+ req->length = value;
+ req->complete = audio_control_complete;
+ value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC);
+ if (value < 0)
+ pr_err("audio response on err %d\n", value);
+ }
+
+ /* device either stalls (value < 0) or reports success */
+ return value;
+}
+
+static int audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+{
+ struct audio_dev *audio = func_to_audio(f);
+ struct usb_composite_dev *cdev = f->config->cdev;
+ int ret;
+
+ pr_debug("audio_set_alt intf %d, alt %d\n", intf, alt);
+
+ ret = config_ep_by_speed(cdev->gadget, f, audio->in_ep);
+ if (ret)
+ return ret;
+
+ usb_ep_enable(audio->in_ep);
+ return 0;
+}
+
+static void audio_disable(struct usb_function *f)
+{
+ struct audio_dev *audio = func_to_audio(f);
+
+ pr_debug("audio_disable\n");
+ usb_ep_disable(audio->in_ep);
+}
+
+static void audio_free_func(struct usb_function *f)
+{
+ /* no-op */
+}
+
+/*-------------------------------------------------------------------------*/
+
+static void audio_build_desc(struct audio_dev *audio)
+{
+ u8 *sam_freq;
+ int rate;
+
+ /* Set channel numbers */
+ input_terminal_desc.bNrChannels = 2;
+ as_type_i_desc.bNrChannels = 2;
+
+ /* Set sample rates */
+ rate = SAMPLE_RATE;
+ sam_freq = as_type_i_desc.tSamFreq[0];
+ memcpy(sam_freq, &rate, 3);
+}
+
+
+static int snd_card_setup(struct usb_configuration *c,
+ struct audio_source_config *config);
+static struct audio_source_instance *to_fi_audio_source(
+ const struct usb_function_instance *fi);
+
+
+/* audio function driver setup/binding */
+static int
+audio_bind(struct usb_configuration *c, struct usb_function *f)
+{
+ struct usb_composite_dev *cdev = c->cdev;
+ struct audio_dev *audio = func_to_audio(f);
+ int status;
+ struct usb_ep *ep;
+ struct usb_request *req;
+ int i;
+ int err;
+
+ if (IS_ENABLED(CONFIG_USB_CONFIGFS)) {
+ struct audio_source_instance *fi_audio =
+ to_fi_audio_source(f->fi);
+ struct audio_source_config *config =
+ fi_audio->config;
+
+ err = snd_card_setup(c, config);
+ if (err)
+ return err;
+ }
+
+ audio_build_desc(audio);
+
+ /* allocate instance-specific interface IDs, and patch descriptors */
+ status = usb_interface_id(c, f);
+ if (status < 0)
+ goto fail;
+ ac_interface_desc.bInterfaceNumber = status;
+
+ /* AUDIO_AC_INTERFACE */
+ ac_header_desc.baInterfaceNr[0] = status;
+
+ status = usb_interface_id(c, f);
+ if (status < 0)
+ goto fail;
+ as_interface_alt_0_desc.bInterfaceNumber = status;
+ as_interface_alt_1_desc.bInterfaceNumber = status;
+
+ /* AUDIO_AS_INTERFACE */
+ ac_header_desc.baInterfaceNr[1] = status;
+
+ status = -ENODEV;
+
+ /* allocate our endpoint */
+ ep = usb_ep_autoconfig(cdev->gadget, &fs_as_in_ep_desc);
+ if (!ep)
+ goto fail;
+ audio->in_ep = ep;
+ ep->driver_data = audio; /* claim */
+
+ if (gadget_is_dualspeed(c->cdev->gadget))
+ hs_as_in_ep_desc.bEndpointAddress =
+ fs_as_in_ep_desc.bEndpointAddress;
+
+ f->fs_descriptors = fs_audio_desc;
+ f->hs_descriptors = hs_audio_desc;
+
+ for (i = 0, status = 0; i < IN_EP_REQ_COUNT && status == 0; i++) {
+ req = audio_request_new(ep, IN_EP_MAX_PACKET_SIZE);
+ if (req) {
+ req->context = audio;
+ req->complete = audio_data_complete;
+ audio_req_put(audio, req);
+ } else
+ status = -ENOMEM;
+ }
+
+fail:
+ return status;
+}
+
+static void
+audio_unbind(struct usb_configuration *c, struct usb_function *f)
+{
+ struct audio_dev *audio = func_to_audio(f);
+ struct usb_request *req;
+
+ while ((req = audio_req_get(audio)))
+ audio_request_free(req, audio->in_ep);
+
+ snd_card_free_when_closed(audio->card);
+ audio->card = NULL;
+ audio->pcm = NULL;
+ audio->substream = NULL;
+ audio->in_ep = NULL;
+
+ if (IS_ENABLED(CONFIG_USB_CONFIGFS)) {
+ struct audio_source_instance *fi_audio =
+ to_fi_audio_source(f->fi);
+ struct audio_source_config *config =
+ fi_audio->config;
+
+ config->card = -1;
+ config->device = -1;
+ }
+}
+
+static void audio_pcm_playback_start(struct audio_dev *audio)
+{
+ audio->start_time = ktime_get();
+ audio->frames_sent = 0;
+ audio_send(audio);
+}
+
+static void audio_pcm_playback_stop(struct audio_dev *audio)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&audio->lock, flags);
+ audio->buffer_start = 0;
+ audio->buffer_end = 0;
+ audio->buffer_pos = 0;
+ spin_unlock_irqrestore(&audio->lock, flags);
+}
+
+static int audio_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct audio_dev *audio = substream->private_data;
+
+ runtime->private_data = audio;
+ runtime->hw = audio_hw_info;
+ snd_pcm_limit_hw_rates(runtime);
+ runtime->hw.channels_max = 2;
+
+ audio->substream = substream;
+
+ /* Add the QoS request and set the latency to 0 */
+ cpu_latency_qos_add_request(&audio->pm_qos, 0);
+
+ return 0;
+}
+
+static int audio_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct audio_dev *audio = substream->private_data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&audio->lock, flags);
+
+ /* Remove the QoS request */
+ cpu_latency_qos_remove_request(&audio->pm_qos);
+
+ audio->substream = NULL;
+ spin_unlock_irqrestore(&audio->lock, flags);
+
+ return 0;
+}
+
+static int audio_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ unsigned int channels = params_channels(params);
+ unsigned int rate = params_rate(params);
+
+ if (rate != SAMPLE_RATE)
+ return -EINVAL;
+ if (channels != 2)
+ return -EINVAL;
+
+ return snd_pcm_lib_alloc_vmalloc_buffer(substream,
+ params_buffer_bytes(params));
+}
+
+static int audio_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ return snd_pcm_lib_free_vmalloc_buffer(substream);
+}
+
+static int audio_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct audio_dev *audio = runtime->private_data;
+
+ audio->period = snd_pcm_lib_period_bytes(substream);
+ audio->period_offset = 0;
+ audio->buffer_start = runtime->dma_area;
+ audio->buffer_end = audio->buffer_start
+ + snd_pcm_lib_buffer_bytes(substream);
+ audio->buffer_pos = audio->buffer_start;
+
+ return 0;
+}
+
+static snd_pcm_uframes_t audio_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct audio_dev *audio = runtime->private_data;
+ ssize_t bytes = audio->buffer_pos - audio->buffer_start;
+
+ /* return offset of next frame to fill in our buffer */
+ return bytes_to_frames(runtime, bytes);
+}
+
+static int audio_pcm_playback_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct audio_dev *audio = substream->runtime->private_data;
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
+ audio_pcm_playback_start(audio);
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ audio_pcm_playback_stop(audio);
+ break;
+
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static struct audio_dev _audio_dev = {
+ .func = {
+ .name = "audio_source",
+ .bind = audio_bind,
+ .unbind = audio_unbind,
+ .set_alt = audio_set_alt,
+ .setup = audio_setup,
+ .disable = audio_disable,
+ .free_func = audio_free_func,
+ },
+ .lock = __SPIN_LOCK_UNLOCKED(_audio_dev.lock),
+ .idle_reqs = LIST_HEAD_INIT(_audio_dev.idle_reqs),
+};
+
+static struct snd_pcm_ops audio_playback_ops = {
+ .open = audio_pcm_open,
+ .close = audio_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = audio_pcm_hw_params,
+ .hw_free = audio_pcm_hw_free,
+ .prepare = audio_pcm_prepare,
+ .trigger = audio_pcm_playback_trigger,
+ .pointer = audio_pcm_pointer,
+};
+
+int audio_source_bind_config(struct usb_configuration *c,
+ struct audio_source_config *config)
+{
+ struct audio_dev *audio;
+ int err;
+
+ config->card = -1;
+ config->device = -1;
+
+ audio = &_audio_dev;
+
+ err = snd_card_setup(c, config);
+ if (err)
+ return err;
+
+ err = usb_add_function(c, &audio->func);
+ if (err)
+ goto add_fail;
+
+ return 0;
+
+add_fail:
+ snd_card_free(audio->card);
+ return err;
+}
+
+static int snd_card_setup(struct usb_configuration *c,
+ struct audio_source_config *config)
+{
+ struct audio_dev *audio;
+ struct snd_card *card;
+ struct snd_pcm *pcm;
+ int err;
+
+ audio = &_audio_dev;
+
+ err = snd_card_new(&c->cdev->gadget->dev,
+ SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
+ THIS_MODULE, 0, &card);
+ if (err)
+ return err;
+
+ err = snd_pcm_new(card, "USB audio source", 0, 1, 0, &pcm);
+ if (err)
+ goto pcm_fail;
+
+ pcm->private_data = audio;
+ pcm->info_flags = 0;
+ audio->pcm = pcm;
+
+ strlcpy(pcm->name, "USB gadget audio", sizeof(pcm->name));
+
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &audio_playback_ops);
+ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ NULL, 0, 64 * 1024);
+
+ strlcpy(card->driver, "audio_source", sizeof(card->driver));
+ strlcpy(card->shortname, card->driver, sizeof(card->shortname));
+ strlcpy(card->longname, "USB accessory audio source",
+ sizeof(card->longname));
+
+ err = snd_card_register(card);
+ if (err)
+ goto register_fail;
+
+ config->card = pcm->card->number;
+ config->device = pcm->device;
+ audio->card = card;
+ return 0;
+
+register_fail:
+pcm_fail:
+ snd_card_free(audio->card);
+ return err;
+}
+
+static struct audio_source_instance *to_audio_source_instance(
+ struct config_item *item)
+{
+ return container_of(to_config_group(item), struct audio_source_instance,
+ func_inst.group);
+}
+
+static struct audio_source_instance *to_fi_audio_source(
+ const struct usb_function_instance *fi)
+{
+ return container_of(fi, struct audio_source_instance, func_inst);
+}
+
+static void audio_source_attr_release(struct config_item *item)
+{
+ struct audio_source_instance *fi_audio = to_audio_source_instance(item);
+
+ usb_put_function_instance(&fi_audio->func_inst);
+}
+
+static int audio_source_set_inst_name(struct usb_function_instance *fi,
+ const char *name)
+{
+ struct audio_source_instance *fi_audio;
+ char *ptr;
+ int name_len;
+
+ name_len = strlen(name) + 1;
+ if (name_len > MAX_INST_NAME_LEN)
+ return -ENAMETOOLONG;
+
+ ptr = kstrndup(name, name_len, GFP_KERNEL);
+ if (!ptr)
+ return -ENOMEM;
+
+ fi_audio = to_fi_audio_source(fi);
+ fi_audio->name = ptr;
+
+ return 0;
+}
+
+static void audio_source_free_inst(struct usb_function_instance *fi)
+{
+ struct audio_source_instance *fi_audio;
+
+ fi_audio = to_fi_audio_source(fi);
+ device_destroy(fi_audio->audio_device->class,
+ fi_audio->audio_device->devt);
+ kfree(fi_audio->name);
+ kfree(fi_audio->config);
+}
+
+static ssize_t audio_source_pcm_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct audio_source_instance *fi_audio = dev_get_drvdata(dev);
+ struct audio_source_config *config = fi_audio->config;
+
+ /* print PCM card and device numbers */
+ return sprintf(buf, "%d %d\n", config->card, config->device);
+}
+
+struct device *create_function_device(char *name);
+
+static struct usb_function_instance *audio_source_alloc_inst(void)
+{
+ struct audio_source_instance *fi_audio;
+ struct device_attribute **attrs;
+ struct device_attribute *attr;
+ struct device *dev;
+ void *err_ptr;
+ int err = 0;
+
+ fi_audio = kzalloc(sizeof(*fi_audio), GFP_KERNEL);
+ if (!fi_audio)
+ return ERR_PTR(-ENOMEM);
+
+ fi_audio->func_inst.set_inst_name = audio_source_set_inst_name;
+ fi_audio->func_inst.free_func_inst = audio_source_free_inst;
+
+ fi_audio->config = kzalloc(sizeof(struct audio_source_config),
+ GFP_KERNEL);
+ if (!fi_audio->config) {
+ err_ptr = ERR_PTR(-ENOMEM);
+ goto fail_audio;
+ }
+
+ config_group_init_type_name(&fi_audio->func_inst.group, "",
+ &audio_source_func_type);
+ dev = create_function_device("f_audio_source");
+
+ if (IS_ERR(dev)) {
+ err_ptr = dev;
+ goto fail_audio_config;
+ }
+
+ fi_audio->config->card = -1;
+ fi_audio->config->device = -1;
+ fi_audio->audio_device = dev;
+
+ attrs = audio_source_function_attributes;
+ if (attrs) {
+ while ((attr = *attrs++) && !err)
+ err = device_create_file(dev, attr);
+ if (err) {
+ err_ptr = ERR_PTR(-EINVAL);
+ goto fail_device;
+ }
+ }
+
+ dev_set_drvdata(dev, fi_audio);
+ _audio_dev.config = fi_audio->config;
+
+ return &fi_audio->func_inst;
+
+fail_device:
+ device_destroy(dev->class, dev->devt);
+fail_audio_config:
+ kfree(fi_audio->config);
+fail_audio:
+ kfree(fi_audio);
+ return err_ptr;
+
+}
+
+static struct usb_function *audio_source_alloc(struct usb_function_instance *fi)
+{
+ return &_audio_dev.func;
+}
+
+DECLARE_USB_FUNCTION_INIT(audio_source, audio_source_alloc_inst,
+ audio_source_alloc);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 725e3516..2113e54 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -614,7 +614,7 @@ static int ffs_ep0_open(struct inode *inode, struct file *file)
file->private_data = ffs;
ffs_data_opened(ffs);
- return 0;
+ return stream_open(inode, file);
}
static int ffs_ep0_release(struct inode *inode, struct file *file)
@@ -1152,7 +1152,7 @@ ffs_epfile_open(struct inode *inode, struct file *file)
file->private_data = epfile;
ffs_data_opened(epfile->ffs);
- return 0;
+ return stream_open(inode, file);
}
static int ffs_aio_cancel(struct kiocb *kiocb)
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 950c943..73a28f8 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2301,6 +2301,16 @@ static void fsg_disable(struct usb_function *f)
{
struct fsg_dev *fsg = fsg_from_func(f);
+ /* Disable the endpoints */
+ if (fsg->bulk_in_enabled) {
+ usb_ep_disable(fsg->bulk_in);
+ fsg->bulk_in_enabled = 0;
+ }
+ if (fsg->bulk_out_enabled) {
+ usb_ep_disable(fsg->bulk_out);
+ fsg->bulk_out_enabled = 0;
+ }
+
__raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE, NULL);
}
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 8fff995..566531b 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -1222,6 +1222,65 @@ static void f_midi_free_inst(struct usb_function_instance *f)
}
}
+#ifdef CONFIG_USB_CONFIGFS_UEVENT
+extern struct device *create_function_device(char *name);
+static ssize_t alsa_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct usb_function_instance *fi_midi = dev_get_drvdata(dev);
+ struct f_midi *midi;
+
+ if (!fi_midi->f)
+ dev_warn(dev, "f_midi: function not set\n");
+
+ if (fi_midi && fi_midi->f) {
+ midi = func_to_midi(fi_midi->f);
+ if (midi->rmidi && midi->card && midi->rmidi->card)
+ return sprintf(buf, "%d %d\n",
+ midi->rmidi->card->number, midi->rmidi->device);
+ }
+
+ /* print PCM card and device numbers */
+ return sprintf(buf, "%d %d\n", -1, -1);
+}
+
+static DEVICE_ATTR(alsa, S_IRUGO, alsa_show, NULL);
+
+static struct device_attribute *alsa_function_attributes[] = {
+ &dev_attr_alsa,
+ NULL
+};
+
+static int create_alsa_device(struct usb_function_instance *fi)
+{
+ struct device *dev;
+ struct device_attribute **attrs;
+ struct device_attribute *attr;
+ int err = 0;
+
+ dev = create_function_device("f_midi");
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
+
+ attrs = alsa_function_attributes;
+ if (attrs) {
+ while ((attr = *attrs++) && !err)
+ err = device_create_file(dev, attr);
+ if (err) {
+ device_destroy(dev->class, dev->devt);
+ return -EINVAL;
+ }
+ }
+ dev_set_drvdata(dev, fi);
+ return 0;
+}
+#else
+static int create_alsa_device(struct usb_function_instance *fi)
+{
+ return 0;
+}
+#endif
+
static struct usb_function_instance *f_midi_alloc_inst(void)
{
struct f_midi_opts *opts;
@@ -1240,6 +1299,11 @@ static struct usb_function_instance *f_midi_alloc_inst(void)
opts->out_ports = 1;
opts->refcnt = 1;
+ if (create_alsa_device(&opts->func_inst)) {
+ kfree(opts);
+ return ERR_PTR(-ENODEV);
+ }
+
config_group_init_type_name(&opts->func_inst.group, "",
&midi_func_type);
@@ -1260,6 +1324,7 @@ static void f_midi_free(struct usb_function *f)
kfifo_free(&midi->in_req_fifo);
kfree(midi);
free = true;
+ opts->func_inst.f = NULL;
}
mutex_unlock(&opts->lock);
@@ -1347,6 +1412,7 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi)
midi->func.disable = f_midi_disable;
midi->func.free_func = f_midi_free;
+ fi->f = &midi->func;
return &midi->func;
midi_free:
diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c
index 236ecc9..61bbf27 100644
--- a/drivers/usb/gadget/function/f_printer.c
+++ b/drivers/usb/gadget/function/f_printer.c
@@ -51,6 +51,8 @@
#define GET_PORT_STATUS 1
#define SOFT_RESET 2
+#define DEFAULT_Q_LEN 10 /* same as legacy g_printer gadget */
+
static int major, minors;
static struct class *usb_gadget_class;
static DEFINE_IDA(printer_ida);
@@ -1365,6 +1367,9 @@ static struct usb_function_instance *gprinter_alloc_inst(void)
opts->func_inst.free_func_inst = gprinter_free_inst;
ret = &opts->func_inst;
+ /* Make sure q_len is initialized, otherwise the bound device can't support read/write! */
+ opts->q_len = DEFAULT_Q_LEN;
+
mutex_lock(&printer_ida_lock);
if (ida_is_empty(&printer_ida)) {
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index dd960ce..53cb6b2 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -44,6 +44,7 @@
#define EPIN_EN(_opts) ((_opts)->p_chmask != 0)
#define EPOUT_EN(_opts) ((_opts)->c_chmask != 0)
+#define EPOUT_FBACK_IN_EN(_opts) ((_opts)->c_sync == USB_ENDPOINT_SYNC_ASYNC)
struct f_uac2 {
struct g_audio g_audio;
@@ -273,7 +274,7 @@ static struct usb_endpoint_descriptor fs_epout_desc = {
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_DIR_OUT,
- .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
+ /* .bmAttributes = DYNAMIC */
/* .wMaxPacketSize = DYNAMIC */
.bInterval = 1,
};
@@ -282,11 +283,29 @@ static struct usb_endpoint_descriptor hs_epout_desc = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
- .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
+ /* .bmAttributes = DYNAMIC */
/* .wMaxPacketSize = DYNAMIC */
.bInterval = 4,
};
+static struct usb_endpoint_descriptor ss_epout_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_OUT,
+ /* .bmAttributes = DYNAMIC */
+ /* .wMaxPacketSize = DYNAMIC */
+ .bInterval = 4,
+};
+
+static struct usb_ss_ep_comp_descriptor ss_epout_desc_comp = {
+ .bLength = sizeof(ss_epout_desc_comp),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+ .bMaxBurst = 0,
+ .bmAttributes = 0,
+ /* wBytesPerInterval = DYNAMIC */
+};
+
/* CS AS ISO OUT Endpoint */
static struct uac2_iso_endpoint_descriptor as_iso_out_desc = {
.bLength = sizeof as_iso_out_desc,
@@ -299,6 +318,45 @@ static struct uac2_iso_endpoint_descriptor as_iso_out_desc = {
.wLockDelay = 0,
};
+/* STD AS ISO IN Feedback Endpoint */
+static struct usb_endpoint_descriptor fs_epin_fback_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_USAGE_FEEDBACK,
+ .wMaxPacketSize = cpu_to_le16(3),
+ .bInterval = 1,
+};
+
+static struct usb_endpoint_descriptor hs_epin_fback_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_USAGE_FEEDBACK,
+ .wMaxPacketSize = cpu_to_le16(4),
+ .bInterval = 4,
+};
+
+static struct usb_endpoint_descriptor ss_epin_fback_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_USAGE_FEEDBACK,
+ .wMaxPacketSize = cpu_to_le16(4),
+ .bInterval = 4,
+};
+
+static struct usb_ss_ep_comp_descriptor ss_epin_fback_desc_comp = {
+ .bLength = sizeof(ss_epin_fback_desc_comp),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+ .bMaxBurst = 0,
+ .bmAttributes = 0,
+ .wBytesPerInterval = cpu_to_le16(4),
+};
+
+
/* Audio Streaming IN Interface - Alt0 */
static struct usb_interface_descriptor std_as_in_if0_desc = {
.bLength = sizeof std_as_in_if0_desc,
@@ -364,6 +422,24 @@ static struct usb_endpoint_descriptor hs_epin_desc = {
.bInterval = 4,
};
+static struct usb_endpoint_descriptor ss_epin_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC,
+ /* .wMaxPacketSize = DYNAMIC */
+ .bInterval = 4,
+};
+
+static struct usb_ss_ep_comp_descriptor ss_epin_desc_comp = {
+ .bLength = sizeof(ss_epin_desc_comp),
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+ .bMaxBurst = 0,
+ .bmAttributes = 0,
+ /* wBytesPerInterval = DYNAMIC */
+};
+
/* CS AS ISO IN Endpoint */
static struct uac2_iso_endpoint_descriptor as_iso_in_desc = {
.bLength = sizeof as_iso_in_desc,
@@ -395,6 +471,7 @@ static struct usb_descriptor_header *fs_audio_desc[] = {
(struct usb_descriptor_header *)&as_out_fmt1_desc,
(struct usb_descriptor_header *)&fs_epout_desc,
(struct usb_descriptor_header *)&as_iso_out_desc,
+ (struct usb_descriptor_header *)&fs_epin_fback_desc,
(struct usb_descriptor_header *)&std_as_in_if0_desc,
(struct usb_descriptor_header *)&std_as_in_if1_desc,
@@ -425,6 +502,7 @@ static struct usb_descriptor_header *hs_audio_desc[] = {
(struct usb_descriptor_header *)&as_out_fmt1_desc,
(struct usb_descriptor_header *)&hs_epout_desc,
(struct usb_descriptor_header *)&as_iso_out_desc,
+ (struct usb_descriptor_header *)&hs_epin_fback_desc,
(struct usb_descriptor_header *)&std_as_in_if0_desc,
(struct usb_descriptor_header *)&std_as_in_if1_desc,
@@ -436,6 +514,40 @@ static struct usb_descriptor_header *hs_audio_desc[] = {
NULL,
};
+static struct usb_descriptor_header *ss_audio_desc[] = {
+ (struct usb_descriptor_header *)&iad_desc,
+ (struct usb_descriptor_header *)&std_ac_if_desc,
+
+ (struct usb_descriptor_header *)&ac_hdr_desc,
+ (struct usb_descriptor_header *)&in_clk_src_desc,
+ (struct usb_descriptor_header *)&out_clk_src_desc,
+ (struct usb_descriptor_header *)&usb_out_it_desc,
+ (struct usb_descriptor_header *)&io_in_it_desc,
+ (struct usb_descriptor_header *)&usb_in_ot_desc,
+ (struct usb_descriptor_header *)&io_out_ot_desc,
+
+ (struct usb_descriptor_header *)&std_as_out_if0_desc,
+ (struct usb_descriptor_header *)&std_as_out_if1_desc,
+
+ (struct usb_descriptor_header *)&as_out_hdr_desc,
+ (struct usb_descriptor_header *)&as_out_fmt1_desc,
+ (struct usb_descriptor_header *)&ss_epout_desc,
+ (struct usb_descriptor_header *)&ss_epout_desc_comp,
+ (struct usb_descriptor_header *)&as_iso_out_desc,
+ (struct usb_descriptor_header *)&ss_epin_fback_desc,
+ (struct usb_descriptor_header *)&ss_epin_fback_desc_comp,
+
+ (struct usb_descriptor_header *)&std_as_in_if0_desc,
+ (struct usb_descriptor_header *)&std_as_in_if1_desc,
+
+ (struct usb_descriptor_header *)&as_in_hdr_desc,
+ (struct usb_descriptor_header *)&as_in_fmt1_desc,
+ (struct usb_descriptor_header *)&ss_epin_desc,
+ (struct usb_descriptor_header *)&ss_epin_desc_comp,
+ (struct usb_descriptor_header *)&as_iso_in_desc,
+ NULL,
+};
+
struct cntrl_cur_lay3 {
__le32 dCUR;
};
@@ -462,6 +574,7 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
break;
case USB_SPEED_HIGH:
+ case USB_SPEED_SUPER:
max_size_ep = 1024;
factor = 8000;
break;
@@ -480,8 +593,17 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
ssize = uac2_opts->c_ssize;
}
- max_size_bw = num_channels(chmask) * ssize *
- ((srate / (factor / (1 << (ep_desc->bInterval - 1)))) + 1);
+ if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) {
+ // Win10 requires max packet size + 1 frame
+ srate = srate * (1000 + uac2_opts->fb_max) / 1000;
+ // updated srate is always bigger, therefore DIV_ROUND_UP always yields +1
+ max_size_bw = num_channels(chmask) * ssize *
+ (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))));
+ } else {
+ // adding 1 frame provision for Win10
+ max_size_bw = num_channels(chmask) * ssize *
+ (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))) + 1);
+ }
ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw,
max_size_ep));
@@ -491,6 +613,84 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts,
/* Use macro to overcome line length limitation */
#define USBDHDR(p) (struct usb_descriptor_header *)(p)
+static void setup_headers(struct f_uac2_opts *opts,
+ struct usb_descriptor_header **headers,
+ enum usb_device_speed speed)
+{
+ struct usb_ss_ep_comp_descriptor *epout_desc_comp = NULL;
+ struct usb_ss_ep_comp_descriptor *epin_desc_comp = NULL;
+ struct usb_ss_ep_comp_descriptor *epin_fback_desc_comp = NULL;
+ struct usb_endpoint_descriptor *epout_desc;
+ struct usb_endpoint_descriptor *epin_desc;
+ struct usb_endpoint_descriptor *epin_fback_desc;
+ int i;
+
+ switch (speed) {
+ case USB_SPEED_FULL:
+ epout_desc = &fs_epout_desc;
+ epin_desc = &fs_epin_desc;
+ epin_fback_desc = &fs_epin_fback_desc;
+ break;
+ case USB_SPEED_HIGH:
+ epout_desc = &hs_epout_desc;
+ epin_desc = &hs_epin_desc;
+ epin_fback_desc = &hs_epin_fback_desc;
+ break;
+ default:
+ epout_desc = &ss_epout_desc;
+ epin_desc = &ss_epin_desc;
+ epout_desc_comp = &ss_epout_desc_comp;
+ epin_desc_comp = &ss_epin_desc_comp;
+ epin_fback_desc = &ss_epin_fback_desc;
+ epin_fback_desc_comp = &ss_epin_fback_desc_comp;
+ }
+
+ i = 0;
+ headers[i++] = USBDHDR(&iad_desc);
+ headers[i++] = USBDHDR(&std_ac_if_desc);
+ headers[i++] = USBDHDR(&ac_hdr_desc);
+ if (EPIN_EN(opts))
+ headers[i++] = USBDHDR(&in_clk_src_desc);
+ if (EPOUT_EN(opts)) {
+ headers[i++] = USBDHDR(&out_clk_src_desc);
+ headers[i++] = USBDHDR(&usb_out_it_desc);
+ }
+ if (EPIN_EN(opts)) {
+ headers[i++] = USBDHDR(&io_in_it_desc);
+ headers[i++] = USBDHDR(&usb_in_ot_desc);
+ }
+ if (EPOUT_EN(opts)) {
+ headers[i++] = USBDHDR(&io_out_ot_desc);
+ headers[i++] = USBDHDR(&std_as_out_if0_desc);
+ headers[i++] = USBDHDR(&std_as_out_if1_desc);
+ headers[i++] = USBDHDR(&as_out_hdr_desc);
+ headers[i++] = USBDHDR(&as_out_fmt1_desc);
+ headers[i++] = USBDHDR(epout_desc);
+ if (epout_desc_comp)
+ headers[i++] = USBDHDR(epout_desc_comp);
+
+ headers[i++] = USBDHDR(&as_iso_out_desc);
+
+ if (EPOUT_FBACK_IN_EN(opts)) {
+ headers[i++] = USBDHDR(epin_fback_desc);
+ if (epin_fback_desc_comp)
+ headers[i++] = USBDHDR(epin_fback_desc_comp);
+ }
+ }
+ if (EPIN_EN(opts)) {
+ headers[i++] = USBDHDR(&std_as_in_if0_desc);
+ headers[i++] = USBDHDR(&std_as_in_if1_desc);
+ headers[i++] = USBDHDR(&as_in_hdr_desc);
+ headers[i++] = USBDHDR(&as_in_fmt1_desc);
+ headers[i++] = USBDHDR(epin_desc);
+ if (epin_desc_comp)
+ headers[i++] = USBDHDR(epin_desc_comp);
+
+ headers[i++] = USBDHDR(&as_iso_in_desc);
+ }
+ headers[i] = NULL;
+}
+
static void setup_descriptor(struct f_uac2_opts *opts)
{
/* patch descriptors */
@@ -540,71 +740,9 @@ static void setup_descriptor(struct f_uac2_opts *opts)
iad_desc.bInterfaceCount++;
}
- i = 0;
- fs_audio_desc[i++] = USBDHDR(&iad_desc);
- fs_audio_desc[i++] = USBDHDR(&std_ac_if_desc);
- fs_audio_desc[i++] = USBDHDR(&ac_hdr_desc);
- if (EPIN_EN(opts))
- fs_audio_desc[i++] = USBDHDR(&in_clk_src_desc);
- if (EPOUT_EN(opts)) {
- fs_audio_desc[i++] = USBDHDR(&out_clk_src_desc);
- fs_audio_desc[i++] = USBDHDR(&usb_out_it_desc);
- }
- if (EPIN_EN(opts)) {
- fs_audio_desc[i++] = USBDHDR(&io_in_it_desc);
- fs_audio_desc[i++] = USBDHDR(&usb_in_ot_desc);
- }
- if (EPOUT_EN(opts)) {
- fs_audio_desc[i++] = USBDHDR(&io_out_ot_desc);
- fs_audio_desc[i++] = USBDHDR(&std_as_out_if0_desc);
- fs_audio_desc[i++] = USBDHDR(&std_as_out_if1_desc);
- fs_audio_desc[i++] = USBDHDR(&as_out_hdr_desc);
- fs_audio_desc[i++] = USBDHDR(&as_out_fmt1_desc);
- fs_audio_desc[i++] = USBDHDR(&fs_epout_desc);
- fs_audio_desc[i++] = USBDHDR(&as_iso_out_desc);
- }
- if (EPIN_EN(opts)) {
- fs_audio_desc[i++] = USBDHDR(&std_as_in_if0_desc);
- fs_audio_desc[i++] = USBDHDR(&std_as_in_if1_desc);
- fs_audio_desc[i++] = USBDHDR(&as_in_hdr_desc);
- fs_audio_desc[i++] = USBDHDR(&as_in_fmt1_desc);
- fs_audio_desc[i++] = USBDHDR(&fs_epin_desc);
- fs_audio_desc[i++] = USBDHDR(&as_iso_in_desc);
- }
- fs_audio_desc[i] = NULL;
-
- i = 0;
- hs_audio_desc[i++] = USBDHDR(&iad_desc);
- hs_audio_desc[i++] = USBDHDR(&std_ac_if_desc);
- hs_audio_desc[i++] = USBDHDR(&ac_hdr_desc);
- if (EPIN_EN(opts))
- hs_audio_desc[i++] = USBDHDR(&in_clk_src_desc);
- if (EPOUT_EN(opts)) {
- hs_audio_desc[i++] = USBDHDR(&out_clk_src_desc);
- hs_audio_desc[i++] = USBDHDR(&usb_out_it_desc);
- }
- if (EPIN_EN(opts)) {
- hs_audio_desc[i++] = USBDHDR(&io_in_it_desc);
- hs_audio_desc[i++] = USBDHDR(&usb_in_ot_desc);
- }
- if (EPOUT_EN(opts)) {
- hs_audio_desc[i++] = USBDHDR(&io_out_ot_desc);
- hs_audio_desc[i++] = USBDHDR(&std_as_out_if0_desc);
- hs_audio_desc[i++] = USBDHDR(&std_as_out_if1_desc);
- hs_audio_desc[i++] = USBDHDR(&as_out_hdr_desc);
- hs_audio_desc[i++] = USBDHDR(&as_out_fmt1_desc);
- hs_audio_desc[i++] = USBDHDR(&hs_epout_desc);
- hs_audio_desc[i++] = USBDHDR(&as_iso_out_desc);
- }
- if (EPIN_EN(opts)) {
- hs_audio_desc[i++] = USBDHDR(&std_as_in_if0_desc);
- hs_audio_desc[i++] = USBDHDR(&std_as_in_if1_desc);
- hs_audio_desc[i++] = USBDHDR(&as_in_hdr_desc);
- hs_audio_desc[i++] = USBDHDR(&as_in_fmt1_desc);
- hs_audio_desc[i++] = USBDHDR(&hs_epin_desc);
- hs_audio_desc[i++] = USBDHDR(&as_iso_in_desc);
- }
- hs_audio_desc[i] = NULL;
+ setup_headers(opts, fs_audio_desc, USB_SPEED_FULL);
+ setup_headers(opts, hs_audio_desc, USB_SPEED_HIGH);
+ setup_headers(opts, ss_audio_desc, USB_SPEED_SUPER);
}
static int afunc_validate_opts(struct g_audio *agdev, struct device *dev)
@@ -708,6 +846,23 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
std_as_out_if1_desc.bInterfaceNumber = ret;
uac2->as_out_intf = ret;
uac2->as_out_alt = 0;
+
+ if (EPOUT_FBACK_IN_EN(uac2_opts)) {
+ fs_epout_desc.bmAttributes =
+ USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC;
+ hs_epout_desc.bmAttributes =
+ USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC;
+ ss_epout_desc.bmAttributes =
+ USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC;
+ std_as_out_if1_desc.bNumEndpoints++;
+ } else {
+ fs_epout_desc.bmAttributes =
+ USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ADAPTIVE;
+ hs_epout_desc.bmAttributes =
+ USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ADAPTIVE;
+ ss_epout_desc.bmAttributes =
+ USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ADAPTIVE;
+ }
}
if (EPIN_EN(uac2_opts)) {
@@ -751,12 +906,35 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
return ret;
}
+ ret = set_ep_max_packet_size(uac2_opts, &ss_epin_desc, USB_SPEED_SUPER,
+ true);
+ if (ret < 0) {
+ dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+ return ret;
+ }
+
+ ret = set_ep_max_packet_size(uac2_opts, &ss_epout_desc, USB_SPEED_SUPER,
+ false);
+ if (ret < 0) {
+ dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+ return ret;
+ }
+
if (EPOUT_EN(uac2_opts)) {
agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc);
if (!agdev->out_ep) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
return -ENODEV;
}
+ if (EPOUT_FBACK_IN_EN(uac2_opts)) {
+ agdev->in_ep_fback = usb_ep_autoconfig(gadget,
+ &fs_epin_fback_desc);
+ if (!agdev->in_ep_fback) {
+ dev_err(dev, "%s:%d Error!\n",
+ __func__, __LINE__);
+ return -ENODEV;
+ }
+ }
}
if (EPIN_EN(uac2_opts)) {
@@ -774,13 +952,25 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
le16_to_cpu(fs_epout_desc.wMaxPacketSize),
le16_to_cpu(hs_epout_desc.wMaxPacketSize));
+ agdev->in_ep_maxpsize = max_t(u16, agdev->in_ep_maxpsize,
+ le16_to_cpu(ss_epin_desc.wMaxPacketSize));
+ agdev->out_ep_maxpsize = max_t(u16, agdev->out_ep_maxpsize,
+ le16_to_cpu(ss_epout_desc.wMaxPacketSize));
+
+ ss_epin_desc_comp.wBytesPerInterval = ss_epin_desc.wMaxPacketSize;
+ ss_epout_desc_comp.wBytesPerInterval = ss_epout_desc.wMaxPacketSize;
+
hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
+ hs_epin_fback_desc.bEndpointAddress = fs_epin_fback_desc.bEndpointAddress;
hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
+ ss_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
+ ss_epin_fback_desc.bEndpointAddress = fs_epin_fback_desc.bEndpointAddress;
+ ss_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
setup_descriptor(uac2_opts);
- ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL,
- NULL);
+ ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, ss_audio_desc,
+ ss_audio_desc);
if (ret)
return ret;
@@ -793,6 +983,7 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn)
agdev->params.c_srate = uac2_opts->c_srate;
agdev->params.c_ssize = uac2_opts->c_ssize;
agdev->params.req_number = uac2_opts->req_number;
+ agdev->params.fb_max = uac2_opts->fb_max;
ret = g_audio_setup(agdev, "UAC2 PCM", "UAC2_Gadget");
if (ret)
goto err_free_descs;
@@ -1101,13 +1292,71 @@ end: \
\
CONFIGFS_ATTR(f_uac2_opts_, name)
+#define UAC2_ATTRIBUTE_SYNC(name) \
+static ssize_t f_uac2_opts_##name##_show(struct config_item *item, \
+ char *page) \
+{ \
+ struct f_uac2_opts *opts = to_f_uac2_opts(item); \
+ int result; \
+ char *str; \
+ \
+ mutex_lock(&opts->lock); \
+ switch (opts->name) { \
+ case USB_ENDPOINT_SYNC_ASYNC: \
+ str = "async"; \
+ break; \
+ case USB_ENDPOINT_SYNC_ADAPTIVE: \
+ str = "adaptive"; \
+ break; \
+ default: \
+ str = "unknown"; \
+ break; \
+ } \
+ result = sprintf(page, "%s\n", str); \
+ mutex_unlock(&opts->lock); \
+ \
+ return result; \
+} \
+ \
+static ssize_t f_uac2_opts_##name##_store(struct config_item *item, \
+ const char *page, size_t len) \
+{ \
+ struct f_uac2_opts *opts = to_f_uac2_opts(item); \
+ int ret = 0; \
+ \
+ mutex_lock(&opts->lock); \
+ if (opts->refcnt) { \
+ ret = -EBUSY; \
+ goto end; \
+ } \
+ \
+ if (!strncmp(page, "async", 5)) \
+ opts->name = USB_ENDPOINT_SYNC_ASYNC; \
+ else if (!strncmp(page, "adaptive", 8)) \
+ opts->name = USB_ENDPOINT_SYNC_ADAPTIVE; \
+ else { \
+ ret = -EINVAL; \
+ goto end; \
+ } \
+ \
+ ret = len; \
+ \
+end: \
+ mutex_unlock(&opts->lock); \
+ return ret; \
+} \
+ \
+CONFIGFS_ATTR(f_uac2_opts_, name)
+
UAC2_ATTRIBUTE(p_chmask);
UAC2_ATTRIBUTE(p_srate);
UAC2_ATTRIBUTE(p_ssize);
UAC2_ATTRIBUTE(c_chmask);
UAC2_ATTRIBUTE(c_srate);
+UAC2_ATTRIBUTE_SYNC(c_sync);
UAC2_ATTRIBUTE(c_ssize);
UAC2_ATTRIBUTE(req_number);
+UAC2_ATTRIBUTE(fb_max);
static struct configfs_attribute *f_uac2_attrs[] = {
&f_uac2_opts_attr_p_chmask,
@@ -1116,7 +1365,9 @@ static struct configfs_attribute *f_uac2_attrs[] = {
&f_uac2_opts_attr_c_chmask,
&f_uac2_opts_attr_c_srate,
&f_uac2_opts_attr_c_ssize,
+ &f_uac2_opts_attr_c_sync,
&f_uac2_opts_attr_req_number,
+ &f_uac2_opts_attr_fb_max,
NULL,
};
@@ -1154,7 +1405,9 @@ static struct usb_function_instance *afunc_alloc_inst(void)
opts->c_chmask = UAC2_DEF_CCHMASK;
opts->c_srate = UAC2_DEF_CSRATE;
opts->c_ssize = UAC2_DEF_CSSIZE;
+ opts->c_sync = UAC2_DEF_CSYNC;
opts->req_number = UAC2_DEF_REQ_NUM;
+ opts->fb_max = UAC2_DEF_FB_MAX;
return &opts->func_inst;
}
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c
index 95605b1..e35a66a 100644
--- a/drivers/usb/gadget/function/u_audio.c
+++ b/drivers/usb/gadget/function/u_audio.c
@@ -16,6 +16,7 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
+#include <sound/control.h>
#include "u_audio.h"
@@ -23,11 +24,6 @@
#define PRD_SIZE_MAX PAGE_SIZE
#define MIN_PERIODS 4
-struct uac_req {
- struct uac_rtd_params *pp; /* parent param */
- struct usb_request *req;
-};
-
/* Runtime data params for one stream */
struct uac_rtd_params {
struct snd_uac_chip *uac; /* parent chip */
@@ -40,10 +36,13 @@ struct uac_rtd_params {
void *rbuf;
+ unsigned int pitch; /* Stream pitch ratio to 1000000 */
unsigned int max_psize; /* MaxPacketSize of endpoint */
- struct uac_req *ureq;
- spinlock_t lock;
+ struct usb_request **reqs;
+
+ struct usb_request *req_fback; /* Feedback endpoint request */
+ bool fb_ep_enabled; /* if the ep is enabled */
};
struct snd_uac_chip {
@@ -76,16 +75,63 @@ static const struct snd_pcm_hardware uac_pcm_hardware = {
.periods_min = MIN_PERIODS,
};
+static void u_audio_set_fback_frequency(enum usb_device_speed speed,
+ struct usb_ep *out_ep,
+ unsigned long long freq,
+ unsigned int pitch,
+ void *buf)
+{
+ u32 ff = 0;
+ const struct usb_endpoint_descriptor *ep_desc;
+
+ /*
+ * Because the pitch base is 1000000, the final divider here
+ * will be 1000 * 1000000 = 1953125 << 9
+ *
+ * Instead of dealing with big numbers lets fold this 9 left shift
+ */
+
+ if (speed == USB_SPEED_FULL) {
+ /*
+ * Full-speed feedback endpoints report frequency
+ * in samples/frame
+ * Format is encoded in Q10.10 left-justified in the 24 bits,
+ * so that it has a Q10.14 format.
+ *
+ * ff = (freq << 14) / 1000
+ */
+ freq <<= 5;
+ } else {
+ /*
+ * High-speed feedback endpoints report frequency
+ * in samples/microframe.
+ * Format is encoded in Q12.13 fitted into four bytes so that
+ * the binary point is located between the second and the third
+ * byte fromat (that is Q16.16)
+ *
+ * ff = (freq << 16) / 8000
+ *
+ * Win10 and OSX UAC2 drivers require number of samples per packet
+ * in order to honor the feedback value.
+ * Linux snd-usb-audio detects the applied bit-shift automatically.
+ */
+ ep_desc = out_ep->desc;
+ freq <<= 4 + (ep_desc->bInterval - 1);
+ }
+
+ ff = DIV_ROUND_CLOSEST_ULL((freq * pitch), 1953125);
+
+ *(__le32 *)buf = cpu_to_le32(ff);
+}
+
static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
{
unsigned int pending;
- unsigned long flags, flags2;
unsigned int hw_ptr;
int status = req->status;
- struct uac_req *ur = req->context;
struct snd_pcm_substream *substream;
struct snd_pcm_runtime *runtime;
- struct uac_rtd_params *prm = ur->pp;
+ struct uac_rtd_params *prm = req->context;
struct snd_uac_chip *uac = prm->uac;
/* i/f shutting down */
@@ -111,16 +157,14 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
if (!substream)
goto exit;
- snd_pcm_stream_lock_irqsave(substream, flags2);
+ snd_pcm_stream_lock(substream);
runtime = substream->runtime;
if (!runtime || !snd_pcm_running(substream)) {
- snd_pcm_stream_unlock_irqrestore(substream, flags2);
+ snd_pcm_stream_unlock(substream);
goto exit;
}
- spin_lock_irqsave(&prm->lock, flags);
-
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/*
* For each IN packet, take the quotient of the current data
@@ -147,8 +191,6 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
hw_ptr = prm->hw_ptr;
- spin_unlock_irqrestore(&prm->lock, flags);
-
/* Pack USB load in ALSA ring buffer */
pending = runtime->dma_bytes - hw_ptr;
@@ -172,12 +214,10 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
}
}
- spin_lock_irqsave(&prm->lock, flags);
/* update hw_ptr after data is copied to memory */
prm->hw_ptr = (hw_ptr + req->actual) % runtime->dma_bytes;
hw_ptr = prm->hw_ptr;
- spin_unlock_irqrestore(&prm->lock, flags);
- snd_pcm_stream_unlock_irqrestore(substream, flags2);
+ snd_pcm_stream_unlock(substream);
if ((hw_ptr % snd_pcm_lib_period_bytes(substream)) < req->actual)
snd_pcm_period_elapsed(substream);
@@ -187,13 +227,47 @@ static void u_audio_iso_complete(struct usb_ep *ep, struct usb_request *req)
dev_err(uac->card->dev, "%d Error!\n", __LINE__);
}
+static void u_audio_iso_fback_complete(struct usb_ep *ep,
+ struct usb_request *req)
+{
+ struct uac_rtd_params *prm = req->context;
+ struct snd_uac_chip *uac = prm->uac;
+ struct g_audio *audio_dev = uac->audio_dev;
+ struct uac_params *params = &audio_dev->params;
+ int status = req->status;
+
+ /* i/f shutting down */
+ if (!prm->fb_ep_enabled) {
+ kfree(req->buf);
+ usb_ep_free_request(ep, req);
+ return;
+ }
+
+ if (req->status == -ESHUTDOWN)
+ return;
+
+ /*
+ * We can't really do much about bad xfers.
+ * Afterall, the ISOCH xfers could fail legitimately.
+ */
+ if (status)
+ pr_debug("%s: iso_complete status(%d) %d/%d\n",
+ __func__, status, req->actual, req->length);
+
+ u_audio_set_fback_frequency(audio_dev->gadget->speed, audio_dev->out_ep,
+ params->c_srate, prm->pitch,
+ req->buf);
+
+ if (usb_ep_queue(ep, req, GFP_ATOMIC))
+ dev_err(uac->card->dev, "%d Error!\n", __LINE__);
+}
+
static int uac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);
struct uac_rtd_params *prm;
struct g_audio *audio_dev;
struct uac_params *params;
- unsigned long flags;
int err = 0;
audio_dev = uac->audio_dev;
@@ -204,8 +278,6 @@ static int uac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
else
prm = &uac->c_prm;
- spin_lock_irqsave(&prm->lock, flags);
-
/* Reset */
prm->hw_ptr = 0;
@@ -222,8 +294,6 @@ static int uac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
err = -EINVAL;
}
- spin_unlock_irqrestore(&prm->lock, flags);
-
/* Clear buffer after Play stops */
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && !prm->ss)
memset(prm->rbuf, 0, prm->max_psize * params->req_number);
@@ -244,6 +314,25 @@ static snd_pcm_uframes_t uac_pcm_pointer(struct snd_pcm_substream *substream)
return bytes_to_frames(substream->runtime, prm->hw_ptr);
}
+static u64 uac_ssize_to_fmt(int ssize)
+{
+ u64 ret;
+
+ switch (ssize) {
+ case 3:
+ ret = SNDRV_PCM_FMTBIT_S24_3LE;
+ break;
+ case 4:
+ ret = SNDRV_PCM_FMTBIT_S32_LE;
+ break;
+ default:
+ ret = SNDRV_PCM_FMTBIT_S16_LE;
+ break;
+ }
+
+ return ret;
+}
+
static int uac_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_uac_chip *uac = snd_pcm_substream_chip(substream);
@@ -267,36 +356,14 @@ static int uac_pcm_open(struct snd_pcm_substream *substream)
runtime->hw = uac_pcm_hardware;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- spin_lock_init(&uac->p_prm.lock);
runtime->hw.rate_min = p_srate;
- switch (p_ssize) {
- case 3:
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
- break;
- case 4:
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
- break;
- default:
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
- break;
- }
+ runtime->hw.formats = uac_ssize_to_fmt(p_ssize);
runtime->hw.channels_min = num_channels(p_chmask);
runtime->hw.period_bytes_min = 2 * uac->p_prm.max_psize
/ runtime->hw.periods_min;
} else {
- spin_lock_init(&uac->c_prm.lock);
runtime->hw.rate_min = c_srate;
- switch (c_ssize) {
- case 3:
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
- break;
- case 4:
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
- break;
- default:
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
- break;
- }
+ runtime->hw.formats = uac_ssize_to_fmt(c_ssize);
runtime->hw.channels_min = num_channels(c_chmask);
runtime->hw.period_bytes_min = 2 * uac->c_prm.max_psize
/ runtime->hw.periods_min;
@@ -338,16 +405,16 @@ static inline void free_ep(struct uac_rtd_params *prm, struct usb_ep *ep)
params = &audio_dev->params;
for (i = 0; i < params->req_number; i++) {
- if (prm->ureq[i].req) {
- if (usb_ep_dequeue(ep, prm->ureq[i].req))
- usb_ep_free_request(ep, prm->ureq[i].req);
+ if (prm->reqs[i]) {
+ if (usb_ep_dequeue(ep, prm->reqs[i]))
+ usb_ep_free_request(ep, prm->reqs[i]);
/*
* If usb_ep_dequeue() cannot successfully dequeue the
* request, the request will be freed by the completion
* callback.
*/
- prm->ureq[i].req = NULL;
+ prm->reqs[i] = NULL;
}
}
@@ -357,13 +424,34 @@ static inline void free_ep(struct uac_rtd_params *prm, struct usb_ep *ep)
dev_err(uac->card->dev, "%s:%d Error!\n", __func__, __LINE__);
}
+static inline void free_ep_fback(struct uac_rtd_params *prm, struct usb_ep *ep)
+{
+ struct snd_uac_chip *uac = prm->uac;
+
+ if (!prm->fb_ep_enabled)
+ return;
+
+ prm->fb_ep_enabled = false;
+
+ if (prm->req_fback) {
+ if (usb_ep_dequeue(ep, prm->req_fback)) {
+ kfree(prm->req_fback->buf);
+ usb_ep_free_request(ep, prm->req_fback);
+ }
+ prm->req_fback = NULL;
+ }
+
+ if (usb_ep_disable(ep))
+ dev_err(uac->card->dev, "%s:%d Error!\n", __func__, __LINE__);
+}
+
int u_audio_start_capture(struct g_audio *audio_dev)
{
struct snd_uac_chip *uac = audio_dev->uac;
struct usb_gadget *gadget = audio_dev->gadget;
struct device *dev = &gadget->dev;
- struct usb_request *req;
- struct usb_ep *ep;
+ struct usb_request *req, *req_fback;
+ struct usb_ep *ep, *ep_fback;
struct uac_rtd_params *prm;
struct uac_params *params = &audio_dev->params;
int req_len, i;
@@ -377,25 +465,61 @@ int u_audio_start_capture(struct g_audio *audio_dev)
usb_ep_enable(ep);
for (i = 0; i < params->req_number; i++) {
- if (!prm->ureq[i].req) {
+ if (!prm->reqs[i]) {
req = usb_ep_alloc_request(ep, GFP_ATOMIC);
if (req == NULL)
return -ENOMEM;
- prm->ureq[i].req = req;
- prm->ureq[i].pp = prm;
+ prm->reqs[i] = req;
req->zero = 0;
- req->context = &prm->ureq[i];
+ req->context = prm;
req->length = req_len;
req->complete = u_audio_iso_complete;
req->buf = prm->rbuf + i * ep->maxpacket;
}
- if (usb_ep_queue(ep, prm->ureq[i].req, GFP_ATOMIC))
+ if (usb_ep_queue(ep, prm->reqs[i], GFP_ATOMIC))
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
}
+ ep_fback = audio_dev->in_ep_fback;
+ if (!ep_fback)
+ return 0;
+
+ /* Setup feedback endpoint */
+ config_ep_by_speed(gadget, &audio_dev->func, ep_fback);
+ prm->fb_ep_enabled = true;
+ usb_ep_enable(ep_fback);
+ req_len = ep_fback->maxpacket;
+
+ req_fback = usb_ep_alloc_request(ep_fback, GFP_ATOMIC);
+ if (req_fback == NULL)
+ return -ENOMEM;
+
+ prm->req_fback = req_fback;
+ req_fback->zero = 0;
+ req_fback->context = prm;
+ req_fback->length = req_len;
+ req_fback->complete = u_audio_iso_fback_complete;
+
+ req_fback->buf = kzalloc(req_len, GFP_ATOMIC);
+ if (!req_fback->buf)
+ return -ENOMEM;
+
+ /*
+ * Configure the feedback endpoint's reported frequency.
+ * Always start with original frequency since its deviation can't
+ * be meauserd at start of playback
+ */
+ prm->pitch = 1000000;
+ u_audio_set_fback_frequency(audio_dev->gadget->speed, ep,
+ params->c_srate, prm->pitch,
+ req_fback->buf);
+
+ if (usb_ep_queue(ep_fback, req_fback, GFP_ATOMIC))
+ dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+
return 0;
}
EXPORT_SYMBOL_GPL(u_audio_start_capture);
@@ -404,6 +528,8 @@ void u_audio_stop_capture(struct g_audio *audio_dev)
{
struct snd_uac_chip *uac = audio_dev->uac;
+ if (audio_dev->in_ep_fback)
+ free_ep_fback(&uac->c_prm, audio_dev->in_ep_fback);
free_ep(&uac->c_prm, audio_dev->out_ep);
}
EXPORT_SYMBOL_GPL(u_audio_stop_capture);
@@ -455,22 +581,21 @@ int u_audio_start_playback(struct g_audio *audio_dev)
usb_ep_enable(ep);
for (i = 0; i < params->req_number; i++) {
- if (!prm->ureq[i].req) {
+ if (!prm->reqs[i]) {
req = usb_ep_alloc_request(ep, GFP_ATOMIC);
if (req == NULL)
return -ENOMEM;
- prm->ureq[i].req = req;
- prm->ureq[i].pp = prm;
+ prm->reqs[i] = req;
req->zero = 0;
- req->context = &prm->ureq[i];
+ req->context = prm;
req->length = req_len;
req->complete = u_audio_iso_complete;
req->buf = prm->rbuf + i * ep->maxpacket;
}
- if (usb_ep_queue(ep, prm->ureq[i].req, GFP_ATOMIC))
+ if (usb_ep_queue(ep, prm->reqs[i], GFP_ATOMIC))
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
}
@@ -486,12 +611,82 @@ void u_audio_stop_playback(struct g_audio *audio_dev)
}
EXPORT_SYMBOL_GPL(u_audio_stop_playback);
+static int u_audio_pitch_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+ struct snd_uac_chip *uac = prm->uac;
+ struct g_audio *audio_dev = uac->audio_dev;
+ struct uac_params *params = &audio_dev->params;
+ unsigned int pitch_min, pitch_max;
+
+ pitch_min = (1000 - FBACK_SLOW_MAX) * 1000;
+ pitch_max = (1000 + params->fb_max) * 1000;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = pitch_min;
+ uinfo->value.integer.max = pitch_max;
+ uinfo->value.integer.step = 1;
+ return 0;
+}
+
+static int u_audio_pitch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = prm->pitch;
+
+ return 0;
+}
+
+static int u_audio_pitch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+ struct snd_uac_chip *uac = prm->uac;
+ struct g_audio *audio_dev = uac->audio_dev;
+ struct uac_params *params = &audio_dev->params;
+ unsigned int val;
+ unsigned int pitch_min, pitch_max;
+ int change = 0;
+
+ pitch_min = (1000 - FBACK_SLOW_MAX) * 1000;
+ pitch_max = (1000 + params->fb_max) * 1000;
+
+ val = ucontrol->value.integer.value[0];
+
+ if (val < pitch_min)
+ val = pitch_min;
+ if (val > pitch_max)
+ val = pitch_max;
+
+ if (prm->pitch != val) {
+ prm->pitch = val;
+ change = 1;
+ }
+
+ return change;
+}
+
+static const struct snd_kcontrol_new u_audio_controls[] = {
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "Capture Pitch 1000000",
+ .info = u_audio_pitch_info,
+ .get = u_audio_pitch_get,
+ .put = u_audio_pitch_put,
+},
+};
+
int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
const char *card_name)
{
struct snd_uac_chip *uac;
struct snd_card *card;
struct snd_pcm *pcm;
+ struct snd_kcontrol *kctl;
struct uac_params *params;
int p_chmask, c_chmask;
int err;
@@ -515,9 +710,10 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
uac->c_prm.uac = uac;
prm->max_psize = g_audio->out_ep_maxpsize;
- prm->ureq = kcalloc(params->req_number, sizeof(struct uac_req),
- GFP_KERNEL);
- if (!prm->ureq) {
+ prm->reqs = kcalloc(params->req_number,
+ sizeof(struct usb_request *),
+ GFP_KERNEL);
+ if (!prm->reqs) {
err = -ENOMEM;
goto fail;
}
@@ -537,9 +733,10 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
uac->p_prm.uac = uac;
prm->max_psize = g_audio->in_ep_maxpsize;
- prm->ureq = kcalloc(params->req_number, sizeof(struct uac_req),
- GFP_KERNEL);
- if (!prm->ureq) {
+ prm->reqs = kcalloc(params->req_number,
+ sizeof(struct usb_request *),
+ GFP_KERNEL);
+ if (!prm->reqs) {
err = -ENOMEM;
goto fail;
}
@@ -570,15 +767,32 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
if (err < 0)
goto snd_fail;
- strlcpy(pcm->name, pcm_name, sizeof(pcm->name));
+ strscpy(pcm->name, pcm_name, sizeof(pcm->name));
pcm->private_data = uac;
uac->pcm = pcm;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &uac_pcm_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &uac_pcm_ops);
- strlcpy(card->driver, card_name, sizeof(card->driver));
- strlcpy(card->shortname, card_name, sizeof(card->shortname));
+ if (c_chmask && g_audio->in_ep_fback) {
+ strscpy(card->mixername, card_name, sizeof(card->driver));
+
+ kctl = snd_ctl_new1(&u_audio_controls[0], &uac->c_prm);
+ if (!kctl) {
+ err = -ENOMEM;
+ goto snd_fail;
+ }
+
+ kctl->id.device = pcm->device;
+ kctl->id.subdevice = 0;
+
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ goto snd_fail;
+ }
+
+ strscpy(card->driver, card_name, sizeof(card->driver));
+ strscpy(card->shortname, card_name, sizeof(card->shortname));
sprintf(card->longname, "%s %i", card_name, card->dev->id);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
@@ -592,8 +806,8 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
snd_fail:
snd_card_free(card);
fail:
- kfree(uac->p_prm.ureq);
- kfree(uac->c_prm.ureq);
+ kfree(uac->p_prm.reqs);
+ kfree(uac->c_prm.reqs);
kfree(uac->p_prm.rbuf);
kfree(uac->c_prm.rbuf);
kfree(uac);
@@ -615,8 +829,8 @@ void g_audio_cleanup(struct g_audio *g_audio)
if (card)
snd_card_free(card);
- kfree(uac->p_prm.ureq);
- kfree(uac->c_prm.ureq);
+ kfree(uac->p_prm.reqs);
+ kfree(uac->c_prm.reqs);
kfree(uac->p_prm.rbuf);
kfree(uac->c_prm.rbuf);
kfree(uac);
diff --git a/drivers/usb/gadget/function/u_audio.h b/drivers/usb/gadget/function/u_audio.h
index 5ea6b86..a218cdf 100644
--- a/drivers/usb/gadget/function/u_audio.h
+++ b/drivers/usb/gadget/function/u_audio.h
@@ -11,6 +11,14 @@
#include <linux/usb/composite.h>
+/*
+ * Same maximum frequency deviation on the slower side as in
+ * sound/usb/endpoint.c. Value is expressed in per-mil deviation.
+ * The maximum deviation on the faster side will be provided as
+ * parameter, as it impacts the endpoint required bandwidth.
+ */
+#define FBACK_SLOW_MAX 250
+
struct uac_params {
/* playback */
int p_chmask; /* channel mask */
@@ -23,6 +31,7 @@ struct uac_params {
int c_ssize; /* sample size */
int req_number; /* number of preallocated requests */
+ int fb_max; /* upper frequency drift feedback limit per-mil */
};
struct g_audio {
@@ -30,7 +39,10 @@ struct g_audio {
struct usb_gadget *gadget;
struct usb_ep *in_ep;
+
struct usb_ep *out_ep;
+ /* feedback IN endpoint corresponding to out_ep */
+ struct usb_ep *in_ep_fback;
/* Max packet size for all in_ep possible speeds */
unsigned int in_ep_maxpsize;
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index a9cb647..85a3f6d 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -80,6 +80,7 @@ struct eth_dev {
bool zlp;
bool no_skb_reserve;
+ bool ifname_set;
u8 host_mac[ETH_ALEN];
u8 dev_mac[ETH_ALEN];
};
@@ -1005,15 +1006,45 @@ EXPORT_SYMBOL_GPL(gether_get_qmult);
int gether_get_ifname(struct net_device *net, char *name, int len)
{
+ struct eth_dev *dev = netdev_priv(net);
int ret;
rtnl_lock();
- ret = scnprintf(name, len, "%s\n", netdev_name(net));
+ ret = scnprintf(name, len, "%s\n",
+ dev->ifname_set ? net->name : netdev_name(net));
rtnl_unlock();
return ret;
}
EXPORT_SYMBOL_GPL(gether_get_ifname);
+int gether_set_ifname(struct net_device *net, const char *name, int len)
+{
+ struct eth_dev *dev = netdev_priv(net);
+ char tmp[IFNAMSIZ];
+ const char *p;
+
+ if (name[len - 1] == '\n')
+ len--;
+
+ if (len >= sizeof(tmp))
+ return -E2BIG;
+
+ strscpy(tmp, name, len + 1);
+ if (!dev_valid_name(tmp))
+ return -EINVAL;
+
+ /* Require exactly one %d, so binding will not fail with EEXIST. */
+ p = strchr(name, '%');
+ if (!p || p[1] != 'd' || strchr(p + 2, '%'))
+ return -EINVAL;
+
+ strncpy(net->name, tmp, sizeof(net->name));
+ dev->ifname_set = true;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(gether_set_ifname);
+
/*
* gether_cleanup - remove Ethernet-over-USB device
* Context: may sleep
diff --git a/drivers/usb/gadget/function/u_ether.h b/drivers/usb/gadget/function/u_ether.h
index 10dd640..4014454 100644
--- a/drivers/usb/gadget/function/u_ether.h
+++ b/drivers/usb/gadget/function/u_ether.h
@@ -244,6 +244,18 @@ unsigned gether_get_qmult(struct net_device *net);
*/
int gether_get_ifname(struct net_device *net, char *name, int len);
+/**
+ * gether_set_ifname - set an ethernet-over-usb link interface name
+ * @net: device representing this link
+ * @name: new interface name
+ * @len: length of @name
+ *
+ * This sets the interface name of this ethernet-over-usb link.
+ * A single terminating newline, if any, is ignored.
+ * Returns zero on success, else negative errno.
+ */
+int gether_set_ifname(struct net_device *net, const char *name, int len);
+
void gether_cleanup(struct eth_dev *dev);
/* connect/disconnect is handled by individual functions */
diff --git a/drivers/usb/gadget/function/u_ether_configfs.h b/drivers/usb/gadget/function/u_ether_configfs.h
index f982e18..f558c31 100644
--- a/drivers/usb/gadget/function/u_ether_configfs.h
+++ b/drivers/usb/gadget/function/u_ether_configfs.h
@@ -148,7 +148,20 @@ out: \
return ret; \
} \
\
- CONFIGFS_ATTR_RO(_f_##_opts_, ifname)
+ static ssize_t _f_##_opts_ifname_store(struct config_item *item, \
+ const char *page, size_t len)\
+ { \
+ struct f_##_f_##_opts *opts = to_f_##_f_##_opts(item); \
+ int ret = -EBUSY; \
+ \
+ mutex_lock(&opts->lock); \
+ if (!opts->refcnt) \
+ ret = gether_set_ifname(opts->net, page, len); \
+ mutex_unlock(&opts->lock); \
+ return ret ?: len; \
+ } \
+ \
+ CONFIGFS_ATTR(_f_##_opts_, ifname)
#define USB_ETHER_CONFIGFS_ITEM_ATTR_U8_RW(_f_, _n_) \
static ssize_t _f_##_opts_##_n_##_show(struct config_item *item,\
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 2caccbb..1e59204 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -258,9 +258,7 @@ __acquires(&port->port_lock)
list_del(&req->list);
req->zero = kfifo_is_empty(&port->port_write_buf);
- pr_vdebug("ttyGS%d: tx len=%d, 0x%02x 0x%02x 0x%02x ...\n",
- port->port_num, len, *((u8 *)req->buf),
- *((u8 *)req->buf+1), *((u8 *)req->buf+2));
+ pr_vdebug("ttyGS%d: tx len=%d, %3ph ...\n", port->port_num, len, req->buf);
/* Drop lock while we call out of driver; completions
* could be issued while we do so. Disconnection may
@@ -346,7 +344,7 @@ __acquires(&port->port_lock)
}
/*
- * RX tasklet takes data out of the RX queue and hands it up to the TTY
+ * RX work takes data out of the RX queue and hands it up to the TTY
* layer until it refuses to take any more data (or is throttled back).
* Then it issues reads for any further data.
*
@@ -709,7 +707,7 @@ static void gs_close(struct tty_struct *tty, struct file *file)
/* Iff we're disconnected, there can be no I/O in flight so it's
* ok to free the circular buffer; else just scrub it. And don't
- * let the push tasklet fire again until we're re-opened.
+ * let the push async work fire again until we're re-opened.
*/
if (gser == NULL)
kfifo_free(&port->port_write_buf);
diff --git a/drivers/usb/gadget/function/u_uac2.h b/drivers/usb/gadget/function/u_uac2.h
index b503571..179d3ef 100644
--- a/drivers/usb/gadget/function/u_uac2.h
+++ b/drivers/usb/gadget/function/u_uac2.h
@@ -21,7 +21,9 @@
#define UAC2_DEF_CCHMASK 0x3
#define UAC2_DEF_CSRATE 64000
#define UAC2_DEF_CSSIZE 2
+#define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC
#define UAC2_DEF_REQ_NUM 2
+#define UAC2_DEF_FB_MAX 5
struct f_uac2_opts {
struct usb_function_instance func_inst;
@@ -31,7 +33,9 @@ struct f_uac2_opts {
int c_chmask;
int c_srate;
int c_ssize;
+ int c_sync;
int req_number;
+ int fb_max;
bool bound;
struct mutex lock;
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index da691a6..24d0ace 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -29,6 +29,7 @@
* @list: for use by the udc class driver
* @vbus: for udcs who care about vbus status, this value is real vbus status;
* for udcs who do not care about vbus status, this value is always true
+ * @started: the UDC's started state. True if the UDC had started.
*
* This represents the internal data structure which is used by the UDC-class
* to hold information about udc driver and gadget together.
@@ -39,6 +40,7 @@ struct usb_udc {
struct device dev;
struct list_head list;
bool vbus;
+ bool started;
};
static struct class *udc_class;
@@ -87,7 +89,7 @@ EXPORT_SYMBOL_GPL(usb_ep_set_maxpacket_limit);
* configurable, with more generic names like "ep-a". (remember that for
* USB, "in" means "towards the USB host".)
*
- * This routine must be called in process context.
+ * This routine may be called in an atomic (interrupt) context.
*
* returns zero, or a negative error code.
*/
@@ -132,7 +134,7 @@ EXPORT_SYMBOL_GPL(usb_ep_enable);
* gadget drivers must call usb_ep_enable() again before queueing
* requests to the endpoint.
*
- * This routine must be called in process context.
+ * This routine may be called in an atomic (interrupt) context.
*
* returns zero, or a negative error code.
*/
@@ -1004,6 +1006,25 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget,
}
EXPORT_SYMBOL_GPL(usb_gadget_ep_match_desc);
+/**
+ * usb_gadget_check_config - checks if the UDC can support the binded
+ * configuration
+ * @gadget: controller to check the USB configuration
+ *
+ * Ensure that a UDC is able to support the requested resources by a
+ * configuration, and that there are no resource limitations, such as
+ * internal memory allocated to all requested endpoints.
+ *
+ * Returns zero on success, else a negative errno.
+ */
+int usb_gadget_check_config(struct usb_gadget *gadget)
+{
+ if (gadget->ops->check_config)
+ return gadget->ops->check_config(gadget);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usb_gadget_check_config);
+
/* ------------------------------------------------------------------------- */
static void usb_gadget_state_work(struct work_struct *work)
@@ -1085,7 +1106,18 @@ EXPORT_SYMBOL_GPL(usb_gadget_udc_reset);
*/
static inline int usb_gadget_udc_start(struct usb_udc *udc)
{
- return udc->gadget->ops->udc_start(udc->gadget, udc->driver);
+ int ret;
+
+ if (udc->started) {
+ dev_err(&udc->dev, "UDC had already started\n");
+ return -EBUSY;
+ }
+
+ ret = udc->gadget->ops->udc_start(udc->gadget, udc->driver);
+ if (!ret)
+ udc->started = true;
+
+ return ret;
}
/**
@@ -1101,7 +1133,13 @@ static inline int usb_gadget_udc_start(struct usb_udc *udc)
*/
static inline void usb_gadget_udc_stop(struct usb_udc *udc)
{
+ if (!udc->started) {
+ dev_err(&udc->dev, "UDC had already stopped\n");
+ return;
+ }
+
udc->gadget->ops->udc_stop(udc->gadget);
+ udc->started = false;
}
/**
@@ -1117,12 +1155,65 @@ static inline void usb_gadget_udc_stop(struct usb_udc *udc)
static inline void usb_gadget_udc_set_speed(struct usb_udc *udc,
enum usb_device_speed speed)
{
- if (udc->gadget->ops->udc_set_speed) {
- enum usb_device_speed s;
+ struct usb_gadget *gadget = udc->gadget;
+ enum usb_device_speed s;
- s = min(speed, udc->gadget->max_speed);
- udc->gadget->ops->udc_set_speed(udc->gadget, s);
- }
+ if (speed == USB_SPEED_UNKNOWN)
+ s = gadget->max_speed;
+ else
+ s = min(speed, gadget->max_speed);
+
+ if (s == USB_SPEED_SUPER_PLUS && gadget->ops->udc_set_ssp_rate)
+ gadget->ops->udc_set_ssp_rate(gadget, gadget->max_ssp_rate);
+ else if (gadget->ops->udc_set_speed)
+ gadget->ops->udc_set_speed(gadget, s);
+}
+
+/**
+ * usb_gadget_enable_async_callbacks - tell usb device controller to enable asynchronous callbacks
+ * @udc: The UDC which should enable async callbacks
+ *
+ * This routine is used when binding gadget drivers. It undoes the effect
+ * of usb_gadget_disable_async_callbacks(); the UDC driver should enable IRQs
+ * (if necessary) and resume issuing callbacks.
+ *
+ * This routine will always be called in process context.
+ */
+static inline void usb_gadget_enable_async_callbacks(struct usb_udc *udc)
+{
+ struct usb_gadget *gadget = udc->gadget;
+
+ if (gadget->ops->udc_async_callbacks)
+ gadget->ops->udc_async_callbacks(gadget, true);
+}
+
+/**
+ * usb_gadget_disable_async_callbacks - tell usb device controller to disable asynchronous callbacks
+ * @udc: The UDC which should disable async callbacks
+ *
+ * This routine is used when unbinding gadget drivers. It prevents a race:
+ * The UDC driver doesn't know when the gadget driver's ->unbind callback
+ * runs, so unless it is told to disable asynchronous callbacks, it might
+ * issue a callback (such as ->disconnect) after the unbind has completed.
+ *
+ * After this function runs, the UDC driver must suppress all ->suspend,
+ * ->resume, ->disconnect, ->reset, and ->setup callbacks to the gadget driver
+ * until async callbacks are again enabled. A simple-minded but effective
+ * way to accomplish this is to tell the UDC hardware not to generate any
+ * more IRQs.
+ *
+ * Request completion callbacks must still be issued. However, it's okay
+ * to defer them until the request is cancelled, since the pull-up will be
+ * turned off during the time period when async callbacks are disabled.
+ *
+ * This routine will always be called in process context.
+ */
+static inline void usb_gadget_disable_async_callbacks(struct usb_udc *udc)
+{
+ struct usb_gadget *gadget = udc->gadget;
+
+ if (gadget->ops->udc_async_callbacks)
+ gadget->ops->udc_async_callbacks(gadget, false);
}
/**
@@ -1225,6 +1316,8 @@ int usb_add_gadget(struct usb_gadget *gadget)
udc->gadget = gadget;
gadget->udc = udc;
+ udc->started = false;
+
mutex_lock(&udc_lock);
list_add_tail(&udc->list, &udc_list);
@@ -1337,6 +1430,7 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
usb_gadget_disconnect(udc->gadget);
+ usb_gadget_disable_async_callbacks(udc);
if (udc->gadget->irq)
synchronize_irq(udc->gadget->irq);
udc->driver->unbind(udc->gadget);
@@ -1418,6 +1512,7 @@ static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *dri
driver->unbind(udc->gadget);
goto err1;
}
+ usb_gadget_enable_async_callbacks(udc);
usb_udc_connect_control(udc);
kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
diff --git a/drivers/usb/gadget/udc/snps_udc_core.c b/drivers/usb/gadget/udc/snps_udc_core.c
index 6c726d2..d046c09 100644
--- a/drivers/usb/gadget/udc/snps_udc_core.c
+++ b/drivers/usb/gadget/udc/snps_udc_core.c
@@ -36,7 +36,6 @@
#include <asm/unaligned.h>
#include "amd5536udc.h"
-static void udc_tasklet_disconnect(unsigned long);
static void udc_setup_endpoints(struct udc *dev);
static void udc_soft_reset(struct udc *dev);
static struct udc_request *udc_alloc_bna_dummy(struct udc_ep *ep);
@@ -95,9 +94,6 @@ static struct timer_list udc_pollstall_timer;
static int stop_pollstall_timer;
static DECLARE_COMPLETION(on_pollstall_exit);
-/* tasklet for usb disconnect */
-static DECLARE_TASKLET_OLD(disconnect_tasklet, udc_tasklet_disconnect);
-
/* endpoint names used for print */
static const char ep0_string[] = "ep0in";
static const struct {
@@ -1637,6 +1633,8 @@ static void usb_connect(struct udc *dev)
*/
static void usb_disconnect(struct udc *dev)
{
+ u32 tmp;
+
/* Return if already disconnected */
if (!dev->connected)
return;
@@ -1648,23 +1646,6 @@ static void usb_disconnect(struct udc *dev)
/* mask interrupts */
udc_mask_unused_interrupts(dev);
- /* REVISIT there doesn't seem to be a point to having this
- * talk to a tasklet ... do it directly, we already hold
- * the spinlock needed to process the disconnect.
- */
-
- tasklet_schedule(&disconnect_tasklet);
-}
-
-/* Tasklet for disconnect to be outside of interrupt context */
-static void udc_tasklet_disconnect(unsigned long par)
-{
- struct udc *dev = udc;
- u32 tmp;
-
- DBG(dev, "Tasklet disconnect\n");
- spin_lock_irq(&dev->lock);
-
if (dev->driver) {
spin_unlock(&dev->lock);
dev->driver->disconnect(&dev->gadget);
@@ -1673,13 +1654,10 @@ static void udc_tasklet_disconnect(unsigned long par)
/* empty queues */
for (tmp = 0; tmp < UDC_EP_NUM; tmp++)
empty_req_queue(&dev->ep[tmp]);
-
}
/* disable ep0 */
- ep_init(dev->regs,
- &dev->ep[UDC_EP0IN_IX]);
-
+ ep_init(dev->regs, &dev->ep[UDC_EP0IN_IX]);
if (!soft_reset_occured) {
/* init controller by soft reset */
@@ -1695,8 +1673,6 @@ static void udc_tasklet_disconnect(unsigned long par)
tmp = AMD_ADDBITS(tmp, UDC_DEVCFG_SPD_FS, UDC_DEVCFG_SPD);
writel(tmp, &dev->regs->cfg);
}
-
- spin_unlock_irq(&dev->lock);
}
/* Reset the UDC core */
diff --git a/drivers/usb/gadget/udc/trace.c b/drivers/usb/gadget/udc/trace.c
index 7430624..e0e6172 100644
--- a/drivers/usb/gadget/udc/trace.c
+++ b/drivers/usb/gadget/udc/trace.c
@@ -8,3 +8,6 @@
#define CREATE_TRACE_POINTS
#include "trace.h"
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(usb_gadget_connect);
+EXPORT_TRACEPOINT_SYMBOL_GPL(usb_gadget_disconnect);
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index d5e9d20..77610b5 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -1954,7 +1954,7 @@ static void xudc_nonctrl_ep_handler(struct xusb_udc *udc, u8 epnum,
if (intrstatus & (XUSB_STATUS_EP0_BUFF1_COMP_MASK << epnum))
ep->buffer0ready = 0;
if (intrstatus & (XUSB_STATUS_EP0_BUFF2_COMP_MASK << epnum))
- ep->buffer1ready = 0;
+ ep->buffer1ready = false;
if (list_empty(&ep->queue))
return;
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index bc73133..2c7155f 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -19,9 +19,7 @@
xhci-hcd-y += xhci-dbgcap.o xhci-dbgtty.o
endif
-ifneq ($(CONFIG_USB_XHCI_MTK), )
- xhci-hcd-y += xhci-mtk-sch.o
-endif
+xhci-mtk-hcd-y := xhci-mtk.o xhci-mtk-sch.o
xhci-plat-hcd-y := xhci-plat.o
ifneq ($(CONFIG_USB_XHCI_MVEBU), )
@@ -75,7 +73,7 @@
obj-$(CONFIG_USB_XHCI_PCI_RENESAS) += xhci-pci-renesas.o
obj-$(CONFIG_USB_XHCI_PLATFORM) += xhci-plat-hcd.o
obj-$(CONFIG_USB_XHCI_HISTB) += xhci-histb.o
-obj-$(CONFIG_USB_XHCI_MTK) += xhci-mtk.o
+obj-$(CONFIG_USB_XHCI_MTK) += xhci-mtk-hcd.o
obj-$(CONFIG_USB_XHCI_TEGRA) += xhci-tegra.o
obj-$(CONFIG_USB_SL811_HCD) += sl811-hcd.o
obj-$(CONFIG_USB_SL811_CS) += sl811_cs.o
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 59fd523..55e5172 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -218,7 +218,13 @@ struct ehci_hcd { /* one per controller */
unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */
unsigned need_oc_pp_cycle:1; /* MPC834X port power */
unsigned imx28_write_fix:1; /* For Freescale i.MX28 */
+ /*
+ * __GENKSYMS__ test is an abi workaround for commit
+ * 7f2d73788d90 ("usb: ehci: handshake CMD_RUN * instead of STS_HALT")
+ */
+#ifndef __GENKSYMS__
unsigned is_aspeed:1;
+#endif
/* required for usb32 quirk */
#define OHCI_CTRL_HCFS (3 << 6)
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 41d5a46..1aa5ed3 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -449,8 +449,13 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend)
cmd->status == COMP_COMMAND_RING_STOPPED) {
xhci_warn(xhci, "Timeout while waiting for stop endpoint command\n");
ret = -ETIME;
+ goto cmd_cleanup;
}
+ ret = xhci_vendor_sync_dev_ctx(xhci, slot_id);
+ if (ret)
+ xhci_warn(xhci, "Sync device context failed, ret=%d\n", ret);
+
cmd_cleanup:
xhci_free_command(xhci, cmd);
return ret;
@@ -1720,6 +1725,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
return 0;
}
+EXPORT_SYMBOL_GPL(xhci_bus_suspend);
/*
* Workaround for missing Cold Attach Status (CAS) if device re-plugged in S3.
@@ -1864,6 +1870,7 @@ int xhci_bus_resume(struct usb_hcd *hcd)
spin_unlock_irqrestore(&xhci->lock, flags);
return 0;
}
+EXPORT_SYMBOL_GPL(xhci_bus_resume);
unsigned long xhci_get_resuming_ports(struct usb_hcd *hcd)
{
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index ed380ee..4324fd3 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -65,7 +65,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci,
return seg;
}
-static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
+void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
{
if (seg->trbs) {
dma_pool_free(xhci->segment_pool, seg->trbs, seg->dma);
@@ -74,8 +74,9 @@ static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg)
kfree(seg->bounce_buf);
kfree(seg);
}
+EXPORT_SYMBOL_GPL(xhci_segment_free);
-static void xhci_free_segments_for_ring(struct xhci_hcd *xhci,
+void xhci_free_segments_for_ring(struct xhci_hcd *xhci,
struct xhci_segment *first)
{
struct xhci_segment *seg;
@@ -96,9 +97,9 @@ static void xhci_free_segments_for_ring(struct xhci_hcd *xhci,
* DMA address of the next segment. The caller needs to set any Link TRB
* related flags, such as End TRB, Toggle Cycle, and no snoop.
*/
-static void xhci_link_segments(struct xhci_segment *prev,
- struct xhci_segment *next,
- enum xhci_ring_type type, bool chain_links)
+void xhci_link_segments(struct xhci_segment *prev,
+ struct xhci_segment *next,
+ enum xhci_ring_type type, bool chain_links)
{
u32 val;
@@ -118,6 +119,7 @@ static void xhci_link_segments(struct xhci_segment *prev,
prev->trbs[TRBS_PER_SEGMENT-1].link.control = cpu_to_le32(val);
}
}
+EXPORT_SYMBOL_GPL(xhci_link_segments);
/*
* Link the ring to the new segments.
@@ -292,6 +294,7 @@ void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring)
kfree(ring);
}
+EXPORT_SYMBOL_GPL(xhci_ring_free);
void xhci_initialize_ring_info(struct xhci_ring *ring,
unsigned int cycle_state)
@@ -316,6 +319,7 @@ void xhci_initialize_ring_info(struct xhci_ring *ring,
*/
ring->num_trbs_free = ring->num_segs * (TRBS_PER_SEGMENT - 1) - 1;
}
+EXPORT_SYMBOL_GPL(xhci_initialize_ring_info);
/* Allocate segments and link them for a ring */
static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci,
@@ -361,6 +365,54 @@ static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci,
return 0;
}
+static void xhci_vendor_free_container_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->free_container_ctx)
+ ops->free_container_ctx(xhci, ctx);
+}
+
+static void xhci_vendor_alloc_container_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
+ int type, gfp_t flags)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->alloc_container_ctx)
+ ops->alloc_container_ctx(xhci, ctx, type, flags);
+}
+
+static struct xhci_ring *xhci_vendor_alloc_transfer_ring(struct xhci_hcd *xhci,
+ u32 endpoint_type, enum xhci_ring_type ring_type,
+ unsigned int max_packet, gfp_t mem_flags)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->alloc_transfer_ring)
+ return ops->alloc_transfer_ring(xhci, endpoint_type, ring_type,
+ max_packet, mem_flags);
+ return 0;
+}
+
+void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
+ struct xhci_virt_device *virt_dev, unsigned int ep_index)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->free_transfer_ring)
+ ops->free_transfer_ring(xhci, virt_dev, ep_index);
+}
+
+bool xhci_vendor_is_usb_offload_enabled(struct xhci_hcd *xhci,
+ struct xhci_virt_device *virt_dev, unsigned int ep_index)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->is_usb_offload_enabled)
+ return ops->is_usb_offload_enabled(xhci, virt_dev, ep_index);
+ return false;
+}
+
/*
* Create a new ring with zero or more segments.
*
@@ -407,12 +459,17 @@ struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci,
kfree(ring);
return NULL;
}
+EXPORT_SYMBOL_GPL(xhci_ring_alloc);
void xhci_free_endpoint_ring(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev,
unsigned int ep_index)
{
- xhci_ring_free(xhci, virt_dev->eps[ep_index].ring);
+ if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, ep_index))
+ xhci_vendor_free_transfer_ring(xhci, virt_dev, ep_index);
+ else
+ xhci_ring_free(xhci, virt_dev->eps[ep_index].ring);
+
virt_dev->eps[ep_index].ring = NULL;
}
@@ -471,6 +528,7 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci,
{
struct xhci_container_ctx *ctx;
struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
if ((type != XHCI_CTX_TYPE_DEVICE) && (type != XHCI_CTX_TYPE_INPUT))
return NULL;
@@ -484,7 +542,12 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci,
if (type == XHCI_CTX_TYPE_INPUT)
ctx->size += CTX_SIZE(xhci->hcc_params);
- ctx->bytes = dma_pool_zalloc(xhci->device_pool, flags, &ctx->dma);
+ if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0) &&
+ (ops && ops->alloc_container_ctx))
+ xhci_vendor_alloc_container_ctx(xhci, ctx, type, flags);
+ else
+ ctx->bytes = dma_pool_zalloc(xhci->device_pool, flags, &ctx->dma);
+
if (!ctx->bytes) {
kfree(ctx);
return NULL;
@@ -495,9 +558,16 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci,
void xhci_free_container_ctx(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx)
{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
if (!ctx)
return;
- dma_pool_free(xhci->device_pool, ctx->bytes, ctx->dma);
+ if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0) &&
+ (ops && ops->free_container_ctx))
+ xhci_vendor_free_container_ctx(xhci, ctx);
+ else
+ dma_pool_free(xhci->device_pool, ctx->bytes, ctx->dma);
+
kfree(ctx);
}
@@ -519,6 +589,7 @@ struct xhci_slot_ctx *xhci_get_slot_ctx(struct xhci_hcd *xhci,
return (struct xhci_slot_ctx *)
(ctx->bytes + CTX_SIZE(xhci->hcc_params));
}
+EXPORT_SYMBOL_GPL(xhci_get_slot_ctx);
struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx,
@@ -532,6 +603,7 @@ struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci,
return (struct xhci_ep_ctx *)
(ctx->bytes + (ep_index * CTX_SIZE(xhci->hcc_params)));
}
+EXPORT_SYMBOL_GPL(xhci_get_ep_ctx);
/***************** Streams structures manipulation *************************/
@@ -592,23 +664,6 @@ struct xhci_ring *xhci_dma_to_transfer_ring(
return ep->ring;
}
-struct xhci_ring *xhci_stream_id_to_ring(
- struct xhci_virt_device *dev,
- unsigned int ep_index,
- unsigned int stream_id)
-{
- struct xhci_virt_ep *ep = &dev->eps[ep_index];
-
- if (stream_id == 0)
- return ep->ring;
- if (!ep->stream_info)
- return NULL;
-
- if (stream_id >= ep->stream_info->num_streams)
- return NULL;
- return ep->stream_info->stream_rings[stream_id];
-}
-
/*
* Change an endpoint's internal structure so it supports stream IDs. The
* number of requested streams includes stream 0, which cannot be used by device
@@ -906,7 +961,7 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id)
for (i = 0; i < 31; i++) {
if (dev->eps[i].ring)
- xhci_ring_free(xhci, dev->eps[i].ring);
+ xhci_free_endpoint_ring(xhci, dev, i);
if (dev->eps[i].stream_info)
xhci_free_stream_info(xhci,
dev->eps[i].stream_info);
@@ -994,6 +1049,8 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id,
if (!dev)
return 0;
+ dev->slot_id = slot_id;
+
/* Allocate the (output) device context that will be used in the HC. */
dev->out_ctx = xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_DEVICE, flags);
if (!dev->out_ctx)
@@ -1012,6 +1069,8 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id,
/* Initialize the cancellation list and watchdog timers for each ep */
for (i = 0; i < 31; i++) {
+ dev->eps[i].ep_index = i;
+ dev->eps[i].vdev = dev;
xhci_init_endpoint_timer(xhci, &dev->eps[i]);
INIT_LIST_HEAD(&dev->eps[i].cancelled_td_list);
INIT_LIST_HEAD(&dev->eps[i].bw_endpoint_list);
@@ -1501,8 +1560,16 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
mult = 0;
/* Set up the endpoint ring */
- virt_dev->eps[ep_index].new_ring =
- xhci_ring_alloc(xhci, 2, 1, ring_type, max_packet, mem_flags);
+ if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, ep_index) &&
+ usb_endpoint_xfer_isoc(&ep->desc)) {
+ virt_dev->eps[ep_index].new_ring =
+ xhci_vendor_alloc_transfer_ring(xhci, endpoint_type, ring_type,
+ max_packet, mem_flags);
+ } else {
+ virt_dev->eps[ep_index].new_ring =
+ xhci_ring_alloc(xhci, 2, 1, ring_type, max_packet, mem_flags);
+ }
+
if (!virt_dev->eps[ep_index].new_ring)
return -ENOMEM;
@@ -1769,6 +1836,7 @@ struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
INIT_LIST_HEAD(&command->cmd_list);
return command;
}
+EXPORT_SYMBOL_GPL(xhci_alloc_command);
struct xhci_command *xhci_alloc_command_with_ctx(struct xhci_hcd *xhci,
bool allocate_completion, gfp_t mem_flags)
@@ -1802,6 +1870,7 @@ void xhci_free_command(struct xhci_hcd *xhci,
kfree(command->completion);
kfree(command);
}
+EXPORT_SYMBOL_GPL(xhci_free_command);
int xhci_alloc_erst(struct xhci_hcd *xhci,
struct xhci_ring *evt_ring,
@@ -1832,6 +1901,7 @@ int xhci_alloc_erst(struct xhci_hcd *xhci,
return 0;
}
+EXPORT_SYMBOL_GPL(xhci_alloc_erst);
void xhci_free_erst(struct xhci_hcd *xhci, struct xhci_erst *erst)
{
@@ -1845,6 +1915,25 @@ void xhci_free_erst(struct xhci_hcd *xhci, struct xhci_erst *erst)
erst->erst_dma_addr);
erst->entries = NULL;
}
+EXPORT_SYMBOL_GPL(xhci_free_erst);
+
+static struct xhci_device_context_array *xhci_vendor_alloc_dcbaa(
+ struct xhci_hcd *xhci, gfp_t flags)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->alloc_dcbaa)
+ return ops->alloc_dcbaa(xhci, flags);
+ return 0;
+}
+
+static void xhci_vendor_free_dcbaa(struct xhci_hcd *xhci)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->free_dcbaa)
+ ops->free_dcbaa(xhci);
+}
void xhci_mem_cleanup(struct xhci_hcd *xhci)
{
@@ -1900,9 +1989,13 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"Freed medium stream array pool");
- if (xhci->dcbaa)
- dma_free_coherent(dev, sizeof(*xhci->dcbaa),
- xhci->dcbaa, xhci->dcbaa->dma);
+ if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0)) {
+ xhci_vendor_free_dcbaa(xhci);
+ } else {
+ if (xhci->dcbaa)
+ dma_free_coherent(dev, sizeof(*xhci->dcbaa),
+ xhci->dcbaa, xhci->dcbaa->dma);
+ }
xhci->dcbaa = NULL;
scratchpad_free(xhci);
@@ -1983,7 +2076,7 @@ static int xhci_test_trb_in_td(struct xhci_hcd *xhci,
}
/* TRB math checks for xhci_trb_in_td(), using the command and event rings. */
-static int xhci_check_trb_in_td_math(struct xhci_hcd *xhci)
+int xhci_check_trb_in_td_math(struct xhci_hcd *xhci)
{
struct {
dma_addr_t input_dma;
@@ -2103,6 +2196,7 @@ static int xhci_check_trb_in_td_math(struct xhci_hcd *xhci)
xhci_dbg(xhci, "TRB math tests passed.\n");
return 0;
}
+EXPORT_SYMBOL_GPL(xhci_check_trb_in_td_math);
static void xhci_set_hc_event_deq(struct xhci_hcd *xhci)
{
@@ -2442,15 +2536,21 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
* xHCI section 5.4.6 - doorbell array must be
* "physically contiguous and 64-byte (cache line) aligned".
*/
- xhci->dcbaa = dma_alloc_coherent(dev, sizeof(*xhci->dcbaa), &dma,
- flags);
- if (!xhci->dcbaa)
- goto fail;
- xhci->dcbaa->dma = dma;
+ if (xhci_vendor_is_usb_offload_enabled(xhci, NULL, 0)) {
+ xhci->dcbaa = xhci_vendor_alloc_dcbaa(xhci, flags);
+ if (!xhci->dcbaa)
+ goto fail;
+ } else {
+ xhci->dcbaa = dma_alloc_coherent(dev, sizeof(*xhci->dcbaa), &dma,
+ flags);
+ if (!xhci->dcbaa)
+ goto fail;
+ xhci->dcbaa->dma = dma;
+ }
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"// Device context base array address = 0x%llx (DMA), %p (virt)",
(unsigned long long)xhci->dcbaa->dma, xhci->dcbaa);
- xhci_write_64(xhci, dma, &xhci->op_regs->dcbaa_ptr);
+ xhci_write_64(xhci, xhci->dcbaa->dma, &xhci->op_regs->dcbaa_ptr);
/*
* Initialize the ring segment pool. The ring must be a contiguous
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index 8950d1f..8b90da5 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -25,6 +25,15 @@
*/
#define TT_MICROFRAMES_MAX 9
+#define DBG_BUF_EN 64
+
+/* schedule error type */
+#define ESCH_SS_Y6 1001
+#define ESCH_SS_OVERLAP 1002
+#define ESCH_CS_OVERFLOW 1003
+#define ESCH_BW_OVERFLOW 1004
+#define ESCH_FIXME 1005
+
/* mtk scheduler bitmasks */
#define EP_BPKTS(p) ((p) & 0x7f)
#define EP_BCSCOUNT(p) (((p) & 0x7) << 8)
@@ -32,13 +41,75 @@
#define EP_BOFFSET(p) ((p) & 0x3fff)
#define EP_BREPEAT(p) (((p) & 0x7fff) << 16)
+static char *sch_error_string(int err_num)
+{
+ switch (err_num) {
+ case ESCH_SS_Y6:
+ return "Can't schedule Start-Split in Y6";
+ case ESCH_SS_OVERLAP:
+ return "Can't find a suitable Start-Split location";
+ case ESCH_CS_OVERFLOW:
+ return "The last Complete-Split is greater than 7";
+ case ESCH_BW_OVERFLOW:
+ return "Bandwidth exceeds the maximum limit";
+ case ESCH_FIXME:
+ return "FIXME, to be resolved";
+ default:
+ return "Unknown";
+ }
+}
+
static int is_fs_or_ls(enum usb_device_speed speed)
{
return speed == USB_SPEED_FULL || speed == USB_SPEED_LOW;
}
+static const char *
+decode_ep(struct usb_host_endpoint *ep, enum usb_device_speed speed)
+{
+ static char buf[DBG_BUF_EN];
+ struct usb_endpoint_descriptor *epd = &ep->desc;
+ unsigned int interval;
+ const char *unit;
+
+ interval = usb_decode_interval(epd, speed);
+ if (interval % 1000) {
+ unit = "us";
+ } else {
+ unit = "ms";
+ interval /= 1000;
+ }
+
+ snprintf(buf, DBG_BUF_EN, "%s ep%d%s %s, mpkt:%d, interval:%d/%d%s\n",
+ usb_speed_string(speed), usb_endpoint_num(epd),
+ usb_endpoint_dir_in(epd) ? "in" : "out",
+ usb_ep_type_string(usb_endpoint_type(epd)),
+ usb_endpoint_maxp(epd), epd->bInterval, interval, unit);
+
+ return buf;
+}
+
+static u32 get_bw_boundary(enum usb_device_speed speed)
+{
+ u32 boundary;
+
+ switch (speed) {
+ case USB_SPEED_SUPER_PLUS:
+ boundary = SSP_BW_BOUNDARY;
+ break;
+ case USB_SPEED_SUPER:
+ boundary = SS_BW_BOUNDARY;
+ break;
+ default:
+ boundary = HS_BW_BOUNDARY;
+ break;
+ }
+
+ return boundary;
+}
+
/*
-* get the index of bandwidth domains array which @ep belongs to.
+* get the bandwidth domain which @ep belongs to.
*
* the bandwidth domain array is saved to @sch_array of struct xhci_hcd_mtk,
* each HS root port is treated as a single bandwidth domain,
@@ -49,9 +120,11 @@ static int is_fs_or_ls(enum usb_device_speed speed)
* so the bandwidth domain array is organized as follow for simplification:
* SSport0-OUT, SSport0-IN, ..., SSportX-OUT, SSportX-IN, HSport0, ..., HSportY
*/
-static int get_bw_index(struct xhci_hcd *xhci, struct usb_device *udev,
- struct usb_host_endpoint *ep)
+static struct mu3h_sch_bw_info *
+get_bw_info(struct xhci_hcd_mtk *mtk, struct usb_device *udev,
+ struct usb_host_endpoint *ep)
{
+ struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd);
struct xhci_virt_device *virt_dev;
int bw_index;
@@ -67,7 +140,7 @@ static int get_bw_index(struct xhci_hcd *xhci, struct usb_device *udev,
bw_index = virt_dev->real_port + xhci->usb3_rhub.num_ports - 1;
}
- return bw_index;
+ return &mtk->sch_array[bw_index];
}
static u32 get_esit(struct xhci_ep_ctx *ep_ctx)
@@ -85,7 +158,6 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev)
{
struct usb_tt *utt = udev->tt;
struct mu3h_sch_tt *tt, **tt_index, **ptt;
- unsigned int port;
bool allocated_index = false;
if (!utt)
@@ -107,10 +179,8 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev)
utt->hcpriv = tt_index;
allocated_index = true;
}
- port = udev->ttport - 1;
- ptt = &tt_index[port];
+ ptt = &tt_index[udev->ttport - 1];
} else {
- port = 0;
ptt = (struct mu3h_sch_tt **) &utt->hcpriv;
}
@@ -125,8 +195,6 @@ static struct mu3h_sch_tt *find_tt(struct usb_device *udev)
return ERR_PTR(-ENOMEM);
}
INIT_LIST_HEAD(&tt->ep_list);
- tt->usb_tt = utt;
- tt->tt_port = port;
*ptt = tt;
}
@@ -200,14 +268,15 @@ static struct mu3h_sch_ep_info *create_sch_ep(struct usb_device *udev,
sch_ep->sch_tt = tt;
sch_ep->ep = ep;
+ sch_ep->speed = udev->speed;
INIT_LIST_HEAD(&sch_ep->endpoint);
INIT_LIST_HEAD(&sch_ep->tt_endpoint);
return sch_ep;
}
-static void setup_sch_info(struct usb_device *udev,
- struct xhci_ep_ctx *ep_ctx, struct mu3h_sch_ep_info *sch_ep)
+static void setup_sch_info(struct xhci_ep_ctx *ep_ctx,
+ struct mu3h_sch_ep_info *sch_ep)
{
u32 ep_type;
u32 maxpkt;
@@ -234,7 +303,7 @@ static void setup_sch_info(struct usb_device *udev,
sch_ep->burst_mode = 0;
sch_ep->repeat = 0;
- if (udev->speed == USB_SPEED_HIGH) {
+ if (sch_ep->speed == USB_SPEED_HIGH) {
sch_ep->cs_count = 0;
/*
@@ -252,7 +321,7 @@ static void setup_sch_info(struct usb_device *udev,
sch_ep->pkts = max_burst + 1;
sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts;
bwb_table[0] = sch_ep->bw_cost_per_microframe;
- } else if (udev->speed >= USB_SPEED_SUPER) {
+ } else if (sch_ep->speed >= USB_SPEED_SUPER) {
/* usb3_r1 spec section4.4.7 & 4.4.8 */
sch_ep->cs_count = 0;
sch_ep->burst_mode = 1;
@@ -272,7 +341,6 @@ static void setup_sch_info(struct usb_device *udev,
}
if (ep_type == ISOC_IN_EP || ep_type == ISOC_OUT_EP) {
- u32 remainder;
if (sch_ep->esit == 1)
sch_ep->pkts = esit_pkts;
@@ -288,16 +356,14 @@ static void setup_sch_info(struct usb_device *udev,
sch_ep->repeat = !!(sch_ep->num_budget_microframes > 1);
sch_ep->bw_cost_per_microframe = maxpkt * sch_ep->pkts;
- remainder = sch_ep->bw_cost_per_microframe;
- remainder *= sch_ep->num_budget_microframes;
- remainder -= (maxpkt * esit_pkts);
for (i = 0; i < sch_ep->num_budget_microframes - 1; i++)
bwb_table[i] = sch_ep->bw_cost_per_microframe;
/* last one <= bw_cost_per_microframe */
- bwb_table[i] = remainder;
+ bwb_table[i] = maxpkt * esit_pkts
+ - i * sch_ep->bw_cost_per_microframe;
}
- } else if (is_fs_or_ls(udev->speed)) {
+ } else if (is_fs_or_ls(sch_ep->speed)) {
sch_ep->pkts = 1; /* at most one packet for each microframe */
/*
@@ -375,7 +441,6 @@ static void update_bus_bw(struct mu3h_sch_bw_info *sch_bw,
sch_ep->bw_budget_table[j];
}
}
- sch_ep->allocated = used;
}
static int check_fs_bus_bw(struct mu3h_sch_ep_info *sch_ep, int offset)
@@ -396,25 +461,22 @@ static int check_fs_bus_bw(struct mu3h_sch_ep_info *sch_ep, int offset)
for (j = 0; j < sch_ep->cs_count; j++) {
tmp = tt->fs_bus_bw[base + j] + sch_ep->bw_cost_per_microframe;
if (tmp > FS_PAYLOAD_MAX)
- return -ERANGE;
+ return -ESCH_BW_OVERFLOW;
}
}
return 0;
}
-static int check_sch_tt(struct usb_device *udev,
- struct mu3h_sch_ep_info *sch_ep, u32 offset)
+static int check_sch_tt(struct mu3h_sch_ep_info *sch_ep, u32 offset)
{
struct mu3h_sch_tt *tt = sch_ep->sch_tt;
u32 extra_cs_count;
- u32 fs_budget_start;
u32 start_ss, last_ss;
u32 start_cs, last_cs;
int i;
start_ss = offset % 8;
- fs_budget_start = (start_ss + 1) % 8;
if (sch_ep->ep_type == ISOC_OUT_EP) {
last_ss = start_ss + sch_ep->cs_count - 1;
@@ -424,11 +486,11 @@ static int check_sch_tt(struct usb_device *udev,
* must never schedule Start-Split in Y6
*/
if (!(start_ss == 7 || last_ss < 6))
- return -ERANGE;
+ return -ESCH_SS_Y6;
for (i = 0; i < sch_ep->cs_count; i++)
if (test_bit(offset + i, tt->ss_bit_map))
- return -ERANGE;
+ return -ESCH_SS_OVERLAP;
} else {
u32 cs_count = DIV_ROUND_UP(sch_ep->maxpkt, FS_PAYLOAD_MAX);
@@ -438,28 +500,26 @@ static int check_sch_tt(struct usb_device *udev,
* must never schedule Start-Split in Y6
*/
if (start_ss == 6)
- return -ERANGE;
+ return -ESCH_SS_Y6;
/* one uframe for ss + one uframe for idle */
start_cs = (start_ss + 2) % 8;
last_cs = start_cs + cs_count - 1;
if (last_cs > 7)
- return -ERANGE;
+ return -ESCH_CS_OVERFLOW;
if (sch_ep->ep_type == ISOC_IN_EP)
extra_cs_count = (last_cs == 7) ? 1 : 2;
else /* ep_type : INTR IN / INTR OUT */
- extra_cs_count = (fs_budget_start == 6) ? 1 : 2;
+ extra_cs_count = 1;
cs_count += extra_cs_count;
if (cs_count > 7)
cs_count = 7; /* HW limit */
- for (i = 0; i < cs_count + 2; i++) {
- if (test_bit(offset + i, tt->ss_bit_map))
- return -ERANGE;
- }
+ if (test_bit(offset, tt->ss_bit_map))
+ return -ESCH_SS_OVERLAP;
sch_ep->cs_count = cs_count;
/* one for ss, the other for idle */
@@ -476,8 +536,7 @@ static int check_sch_tt(struct usb_device *udev,
return check_fs_bus_bw(sch_ep, offset);
}
-static void update_sch_tt(struct usb_device *udev,
- struct mu3h_sch_ep_info *sch_ep, bool used)
+static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used)
{
struct mu3h_sch_tt *tt = sch_ep->sch_tt;
u32 base, num_esit;
@@ -513,21 +572,46 @@ static void update_sch_tt(struct usb_device *udev,
list_del(&sch_ep->tt_endpoint);
}
-static int check_sch_bw(struct usb_device *udev,
- struct mu3h_sch_bw_info *sch_bw, struct mu3h_sch_ep_info *sch_ep)
+static int load_ep_bw(struct mu3h_sch_bw_info *sch_bw,
+ struct mu3h_sch_ep_info *sch_ep, bool loaded)
+{
+ if (sch_ep->sch_tt)
+ update_sch_tt(sch_ep, loaded);
+
+ /* update bus bandwidth info */
+ update_bus_bw(sch_bw, sch_ep, loaded);
+ sch_ep->allocated = loaded;
+
+ return 0;
+}
+
+static u32 get_esit_boundary(struct mu3h_sch_ep_info *sch_ep)
+{
+ u32 boundary = sch_ep->esit;
+
+ if (sch_ep->sch_tt) { /* LS/FS with TT */
+ /* tune for CS */
+ if (sch_ep->ep_type != ISOC_OUT_EP)
+ boundary++;
+ else if (boundary > 1) /* normally esit >= 8 for FS/LS */
+ boundary--;
+ }
+
+ return boundary;
+}
+
+static int check_sch_bw(struct mu3h_sch_bw_info *sch_bw,
+ struct mu3h_sch_ep_info *sch_ep)
{
u32 offset;
- u32 esit;
u32 min_bw;
u32 min_index;
u32 worst_bw;
u32 bw_boundary;
+ u32 esit_boundary;
u32 min_num_budget;
u32 min_cs_count;
- bool tt_offset_ok = false;
- int ret;
-
- esit = sch_ep->esit;
+ int ret = 0;
/*
* Search through all possible schedule microframes.
@@ -537,16 +621,15 @@ static int check_sch_bw(struct usb_device *udev,
min_index = 0;
min_cs_count = sch_ep->cs_count;
min_num_budget = sch_ep->num_budget_microframes;
- for (offset = 0; offset < esit; offset++) {
- if (is_fs_or_ls(udev->speed)) {
- ret = check_sch_tt(udev, sch_ep, offset);
+ esit_boundary = get_esit_boundary(sch_ep);
+ for (offset = 0; offset < sch_ep->esit; offset++) {
+ if (sch_ep->sch_tt) {
+ ret = check_sch_tt(sch_ep, offset);
if (ret)
continue;
- else
- tt_offset_ok = true;
}
- if ((offset + sch_ep->num_budget_microframes) > sch_ep->esit)
+ if ((offset + sch_ep->num_budget_microframes) > esit_boundary)
break;
worst_bw = get_max_bw(sch_bw, sch_ep, offset);
@@ -560,44 +643,24 @@ static int check_sch_bw(struct usb_device *udev,
break;
}
- if (udev->speed == USB_SPEED_SUPER_PLUS)
- bw_boundary = SSP_BW_BOUNDARY;
- else if (udev->speed == USB_SPEED_SUPER)
- bw_boundary = SS_BW_BOUNDARY;
- else
- bw_boundary = HS_BW_BOUNDARY;
-
+ bw_boundary = get_bw_boundary(sch_ep->speed);
/* check bandwidth */
if (min_bw > bw_boundary)
- return -ERANGE;
+ return ret ? ret : -ESCH_BW_OVERFLOW;
sch_ep->offset = min_index;
sch_ep->cs_count = min_cs_count;
sch_ep->num_budget_microframes = min_num_budget;
- if (is_fs_or_ls(udev->speed)) {
- /* all offset for tt is not ok*/
- if (!tt_offset_ok)
- return -ERANGE;
-
- update_sch_tt(udev, sch_ep, 1);
- }
-
- /* update bus bandwidth info */
- update_bus_bw(sch_bw, sch_ep, 1);
-
- return 0;
+ return load_ep_bw(sch_bw, sch_ep, true);
}
static void destroy_sch_ep(struct usb_device *udev,
struct mu3h_sch_bw_info *sch_bw, struct mu3h_sch_ep_info *sch_ep)
{
/* only release ep bw check passed by check_sch_bw() */
- if (sch_ep->allocated) {
- update_bus_bw(sch_bw, sch_ep, 0);
- if (sch_ep->sch_tt)
- update_sch_tt(udev, sch_ep, 0);
- }
+ if (sch_ep->allocated)
+ load_ep_bw(sch_bw, sch_ep, false);
if (sch_ep->sch_tt)
drop_tt(udev);
@@ -652,37 +715,29 @@ int xhci_mtk_sch_init(struct xhci_hcd_mtk *mtk)
return 0;
}
-EXPORT_SYMBOL_GPL(xhci_mtk_sch_init);
void xhci_mtk_sch_exit(struct xhci_hcd_mtk *mtk)
{
kfree(mtk->sch_array);
}
-EXPORT_SYMBOL_GPL(xhci_mtk_sch_exit);
-int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
- struct usb_host_endpoint *ep)
+static int add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep)
{
struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
- struct xhci_hcd *xhci;
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_ep_ctx *ep_ctx;
- struct xhci_slot_ctx *slot_ctx;
struct xhci_virt_device *virt_dev;
struct mu3h_sch_ep_info *sch_ep;
unsigned int ep_index;
- xhci = hcd_to_xhci(hcd);
virt_dev = xhci->devs[udev->slot_id];
ep_index = xhci_get_endpoint_index(&ep->desc);
- slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx);
ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
- xhci_dbg(xhci, "%s() type:%d, speed:%d, mpkt:%d, dir:%d, ep:%p\n",
- __func__, usb_endpoint_type(&ep->desc), udev->speed,
- usb_endpoint_maxp(&ep->desc),
- usb_endpoint_dir_in(&ep->desc), ep);
+ xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
- if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) {
+ if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info)) {
/*
* set @bpkts to 1 if it is LS or FS periodic endpoint, and its
* device does not connected through an external HS hub
@@ -698,41 +753,30 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
if (IS_ERR_OR_NULL(sch_ep))
return -ENOMEM;
- setup_sch_info(udev, ep_ctx, sch_ep);
+ setup_sch_info(ep_ctx, sch_ep);
list_add_tail(&sch_ep->endpoint, &mtk->bw_ep_chk_list);
return 0;
}
-EXPORT_SYMBOL_GPL(xhci_mtk_add_ep_quirk);
-void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
- struct usb_host_endpoint *ep)
+static void drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep)
{
struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
- struct xhci_hcd *xhci;
- struct xhci_slot_ctx *slot_ctx;
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_virt_device *virt_dev;
- struct mu3h_sch_bw_info *sch_array;
struct mu3h_sch_bw_info *sch_bw;
struct mu3h_sch_ep_info *sch_ep, *tmp;
- int bw_index;
- xhci = hcd_to_xhci(hcd);
virt_dev = xhci->devs[udev->slot_id];
- slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->in_ctx);
- sch_array = mtk->sch_array;
- xhci_dbg(xhci, "%s() type:%d, speed:%d, mpks:%d, dir:%d, ep:%p\n",
- __func__, usb_endpoint_type(&ep->desc), udev->speed,
- usb_endpoint_maxp(&ep->desc),
- usb_endpoint_dir_in(&ep->desc), ep);
+ xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
- if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT))
+ if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info))
return;
- bw_index = get_bw_index(xhci, udev, ep);
- sch_bw = &sch_array[bw_index];
+ sch_bw = get_bw_info(mtk, udev, ep);
list_for_each_entry_safe(sch_ep, tmp, &sch_bw->bw_ep_list, endpoint) {
if (sch_ep->ep == ep) {
@@ -741,7 +785,6 @@ void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
}
}
}
-EXPORT_SYMBOL_GPL(xhci_mtk_drop_ep_quirk);
int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
{
@@ -750,17 +793,17 @@ int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
struct xhci_virt_device *virt_dev = xhci->devs[udev->slot_id];
struct mu3h_sch_bw_info *sch_bw;
struct mu3h_sch_ep_info *sch_ep, *tmp;
- int bw_index, ret;
+ int ret;
xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
list_for_each_entry(sch_ep, &mtk->bw_ep_chk_list, endpoint) {
- bw_index = get_bw_index(xhci, udev, sch_ep->ep);
- sch_bw = &mtk->sch_array[bw_index];
+ sch_bw = get_bw_info(mtk, udev, sch_ep->ep);
- ret = check_sch_bw(udev, sch_bw, sch_ep);
+ ret = check_sch_bw(sch_bw, sch_ep);
if (ret) {
- xhci_err(xhci, "Not enough bandwidth!\n");
+ xhci_err(xhci, "Not enough bandwidth! (%s)\n",
+ sch_error_string(-ret));
return -ENOSPC;
}
}
@@ -770,9 +813,7 @@ int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
struct usb_host_endpoint *ep = sch_ep->ep;
unsigned int ep_index = xhci_get_endpoint_index(&ep->desc);
- bw_index = get_bw_index(xhci, udev, ep);
- sch_bw = &mtk->sch_array[bw_index];
-
+ sch_bw = get_bw_info(mtk, udev, ep);
list_move_tail(&sch_ep->endpoint, &sch_bw->bw_ep_list);
ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
@@ -789,7 +830,6 @@ int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
return xhci_check_bandwidth(hcd, udev);
}
-EXPORT_SYMBOL_GPL(xhci_mtk_check_bandwidth);
void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
{
@@ -797,16 +837,43 @@ void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct mu3h_sch_bw_info *sch_bw;
struct mu3h_sch_ep_info *sch_ep, *tmp;
- int bw_index;
xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint) {
- bw_index = get_bw_index(xhci, udev, sch_ep->ep);
- sch_bw = &mtk->sch_array[bw_index];
+ sch_bw = get_bw_info(mtk, udev, sch_ep->ep);
destroy_sch_ep(udev, sch_bw, sch_ep);
}
xhci_reset_bandwidth(hcd, udev);
}
-EXPORT_SYMBOL_GPL(xhci_mtk_reset_bandwidth);
+
+int xhci_mtk_add_ep(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep)
+{
+ int ret;
+
+ ret = xhci_add_endpoint(hcd, udev, ep);
+ if (ret)
+ return ret;
+
+ if (ep->hcpriv)
+ ret = add_ep_quirk(hcd, udev, ep);
+
+ return ret;
+}
+
+int xhci_mtk_drop_ep(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep)
+{
+ int ret;
+
+ ret = xhci_drop_endpoint(hcd, udev, ep);
+ if (ret)
+ return ret;
+
+ if (ep->hcpriv)
+ drop_ep_quirk(hcd, udev, ep);
+
+ return 0;
+}
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 1c33157..09f2ddb 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -344,15 +344,6 @@ static void usb_wakeup_set(struct xhci_hcd_mtk *mtk, bool enable)
usb_wakeup_ip_sleep_set(mtk, enable);
}
-static int xhci_mtk_setup(struct usb_hcd *hcd);
-static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = {
- .reset = xhci_mtk_setup,
- .check_bandwidth = xhci_mtk_check_bandwidth,
- .reset_bandwidth = xhci_mtk_reset_bandwidth,
-};
-
-static struct hc_driver __read_mostly xhci_mtk_hc_driver;
-
static int xhci_mtk_ldos_enable(struct xhci_hcd_mtk *mtk)
{
int ret;
@@ -433,6 +424,16 @@ static int xhci_mtk_setup(struct usb_hcd *hcd)
return ret;
}
+static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = {
+ .reset = xhci_mtk_setup,
+ .add_endpoint = xhci_mtk_add_ep,
+ .drop_endpoint = xhci_mtk_drop_ep,
+ .check_bandwidth = xhci_mtk_check_bandwidth,
+ .reset_bandwidth = xhci_mtk_reset_bandwidth,
+};
+
+static struct hc_driver __read_mostly xhci_mtk_hc_driver;
+
static int xhci_mtk_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index 2fc0568..4ccd08e 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -23,15 +23,11 @@
* @ss_bit_map: used to avoid start split microframes overlay
* @fs_bus_bw: array to keep track of bandwidth already used for FS
* @ep_list: Endpoints using this TT
- * @usb_tt: usb TT related
- * @tt_port: TT port number
*/
struct mu3h_sch_tt {
DECLARE_BITMAP(ss_bit_map, XHCI_MTK_MAX_ESIT);
u32 fs_bus_bw[XHCI_MTK_MAX_ESIT];
struct list_head ep_list;
- struct usb_tt *usb_tt;
- int tt_port;
};
/**
@@ -88,7 +84,8 @@ struct mu3h_sch_ep_info {
struct mu3h_sch_tt *sch_tt;
u32 ep_type;
u32 maxpkt;
- void *ep;
+ struct usb_host_endpoint *ep;
+ enum usb_device_speed speed;
bool allocated;
/*
* mtk xHCI scheduling information put into reserved DWs
@@ -165,38 +162,13 @@ static inline struct xhci_hcd_mtk *hcd_to_mtk(struct usb_hcd *hcd)
return dev_get_drvdata(hcd->self.controller);
}
-#if IS_ENABLED(CONFIG_USB_XHCI_MTK)
int xhci_mtk_sch_init(struct xhci_hcd_mtk *mtk);
void xhci_mtk_sch_exit(struct xhci_hcd_mtk *mtk);
-int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
- struct usb_host_endpoint *ep);
-void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
- struct usb_host_endpoint *ep);
+int xhci_mtk_add_ep(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep);
+int xhci_mtk_drop_ep(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep);
int xhci_mtk_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
-#else
-static inline int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd,
- struct usb_device *udev, struct usb_host_endpoint *ep)
-{
- return 0;
-}
-
-static inline void xhci_mtk_drop_ep_quirk(struct usb_hcd *hcd,
- struct usb_device *udev, struct usb_host_endpoint *ep)
-{
-}
-
-static inline int xhci_mtk_check_bandwidth(struct usb_hcd *hcd,
- struct usb_device *udev)
-{
- return 0;
-}
-
-static inline void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd,
- struct usb_device *udev)
-{
-}
-#endif
-
#endif /* _XHCI_MTK_H_ */
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index c1edcc9..21280a6 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -184,6 +184,41 @@ static const struct of_device_id usb_xhci_of_match[] = {
MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
#endif
+static struct xhci_plat_priv_overwrite xhci_plat_vendor_overwrite;
+
+int xhci_plat_register_vendor_ops(struct xhci_vendor_ops *vendor_ops)
+{
+ if (vendor_ops == NULL)
+ return -EINVAL;
+
+ xhci_plat_vendor_overwrite.vendor_ops = vendor_ops;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(xhci_plat_register_vendor_ops);
+
+static int xhci_vendor_init(struct xhci_hcd *xhci)
+{
+ struct xhci_vendor_ops *ops = NULL;
+
+ if (xhci_plat_vendor_overwrite.vendor_ops)
+ ops = xhci->vendor_ops = xhci_plat_vendor_overwrite.vendor_ops;
+
+ if (ops && ops->vendor_init)
+ return ops->vendor_init(xhci);
+ return 0;
+}
+
+static void xhci_vendor_cleanup(struct xhci_hcd *xhci)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->vendor_cleanup)
+ ops->vendor_cleanup(xhci);
+
+ xhci->vendor_ops = NULL;
+}
+
static int xhci_plat_probe(struct platform_device *pdev)
{
const struct xhci_plat_priv *priv_match;
@@ -339,6 +374,10 @@ static int xhci_plat_probe(struct platform_device *pdev)
goto put_usb3_hcd;
}
+ ret = xhci_vendor_init(xhci);
+ if (ret)
+ goto disable_usb_phy;
+
hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
xhci->shared_hcd->tpl_support = hcd->tpl_support;
@@ -418,8 +457,10 @@ static int xhci_plat_remove(struct platform_device *dev)
usb_phy_shutdown(hcd->usb_phy);
usb_remove_hcd(hcd);
- usb_put_hcd(shared_hcd);
+ xhci_vendor_cleanup(xhci);
+
+ usb_put_hcd(shared_hcd);
clk_disable_unprepare(clk);
clk_disable_unprepare(reg_clk);
usb_put_hcd(hcd);
diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h
index 561d0b7..e726a57 100644
--- a/drivers/usb/host/xhci-plat.h
+++ b/drivers/usb/host/xhci-plat.h
@@ -13,6 +13,7 @@
struct xhci_plat_priv {
const char *firmware_name;
unsigned long long quirks;
+ struct xhci_vendor_data *vendor_data;
int (*plat_setup)(struct usb_hcd *);
void (*plat_start)(struct usb_hcd *);
int (*init_quirk)(struct usb_hcd *);
@@ -22,4 +23,11 @@ struct xhci_plat_priv {
#define hcd_to_xhci_priv(h) ((struct xhci_plat_priv *)hcd_to_xhci(h)->priv)
#define xhci_to_priv(x) ((struct xhci_plat_priv *)(x)->priv)
+
+struct xhci_plat_priv_overwrite {
+ struct xhci_vendor_ops *vendor_ops;
+};
+
+int xhci_plat_register_vendor_ops(struct xhci_vendor_ops *vendor_ops);
+
#endif /* _XHCI_PLAT_H */
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 667a37f..95afc04 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -57,7 +57,10 @@
#include <linux/dma-mapping.h>
#include "xhci.h"
#include "xhci-trace.h"
-#include "xhci-mtk.h"
+
+static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd,
+ u32 field1, u32 field2,
+ u32 field3, u32 field4, bool command_must_succeed);
/*
* Returns zero if the TRB isn't in this segment, otherwise it returns the DMA
@@ -76,6 +79,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg,
return 0;
return seg->dma + (segment_offset * sizeof(*trb));
}
+EXPORT_SYMBOL_GPL(xhci_trb_virt_to_dma);
static bool trb_is_noop(union xhci_trb *trb)
{
@@ -151,10 +155,11 @@ static void next_trb(struct xhci_hcd *xhci,
/*
* See Cycle bit rules. SW is the consumer for the event ring only.
- * Don't make a ring full of link TRBs. That would be dumb and this would loop.
*/
void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
{
+ unsigned int link_trb_count = 0;
+
/* event ring doesn't have link trbs, check for last trb */
if (ring->type == TYPE_EVENT) {
if (!last_trb_on_seg(ring->deq_seg, ring->dequeue)) {
@@ -170,14 +175,23 @@ void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
/* All other rings have link trbs */
if (!trb_is_link(ring->dequeue)) {
- ring->dequeue++;
- ring->num_trbs_free++;
+ if (last_trb_on_seg(ring->deq_seg, ring->dequeue)) {
+ xhci_warn(xhci, "Missing link TRB at end of segment\n");
+ } else {
+ ring->dequeue++;
+ ring->num_trbs_free++;
+ }
}
+
while (trb_is_link(ring->dequeue)) {
ring->deq_seg = ring->deq_seg->next;
ring->dequeue = ring->deq_seg->trbs;
- }
+ if (link_trb_count++ > ring->num_segs) {
+ xhci_warn(xhci, "Ring is an endless link TRB loop\n");
+ break;
+ }
+ }
out:
trace_xhci_inc_deq(ring);
@@ -186,7 +200,6 @@ void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
/*
* See Cycle bit rules. SW is the consumer for the event ring only.
- * Don't make a ring full of link TRBs. That would be dumb and this would loop.
*
* If we've just enqueued a TRB that is in the middle of a TD (meaning the
* chain bit is set), then set the chain bit in all the following link TRBs.
@@ -206,11 +219,18 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
{
u32 chain;
union xhci_trb *next;
+ unsigned int link_trb_count = 0;
chain = le32_to_cpu(ring->enqueue->generic.field[3]) & TRB_CHAIN;
/* If this is not event ring, there is one less usable TRB */
if (!trb_is_link(ring->enqueue))
ring->num_trbs_free--;
+
+ if (last_trb_on_seg(ring->enq_seg, ring->enqueue)) {
+ xhci_err(xhci, "Tried to move enqueue past ring segment\n");
+ return;
+ }
+
next = ++(ring->enqueue);
/* Update the dequeue pointer further if that was a link TRB */
@@ -247,6 +267,11 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
ring->enq_seg = ring->enq_seg->next;
ring->enqueue = ring->enq_seg->trbs;
next = ring->enqueue;
+
+ if (link_trb_count++ > ring->num_segs) {
+ xhci_warn(xhci, "%s: Ring link TRB loop\n", __func__);
+ break;
+ }
}
trace_xhci_inc_enq(ring);
@@ -287,6 +312,7 @@ void xhci_ring_cmd_db(struct xhci_hcd *xhci)
/* Flush PCI posted writes */
readl(&xhci->dba->doorbell[0]);
}
+EXPORT_SYMBOL_GPL(xhci_ring_cmd_db);
static bool xhci_mod_cmd_timer(struct xhci_hcd *xhci, unsigned long delay)
{
@@ -421,9 +447,8 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci,
trace_xhci_ring_ep_doorbell(slot_id, DB_VALUE(ep_index, stream_id));
writel(DB_VALUE(ep_index, stream_id), db_addr);
- /* The CPU has better things to do at this point than wait for a
- * write-posting flush. It'll get there soon enough.
- */
+ /* flush the write */
+ readl(db_addr);
}
/* Ring the doorbell for any rings with pending URBs */
@@ -479,6 +504,26 @@ static struct xhci_virt_ep *xhci_get_virt_ep(struct xhci_hcd *xhci,
return &xhci->devs[slot_id]->eps[ep_index];
}
+static struct xhci_ring *xhci_virt_ep_to_ring(struct xhci_hcd *xhci,
+ struct xhci_virt_ep *ep,
+ unsigned int stream_id)
+{
+ /* common case, no streams */
+ if (!(ep->ep_state & EP_HAS_STREAMS))
+ return ep->ring;
+
+ if (!ep->stream_info)
+ return NULL;
+
+ if (stream_id == 0 || stream_id >= ep->stream_info->num_streams) {
+ xhci_warn(xhci, "Invalid stream_id %u request for slot_id %u ep_index %u\n",
+ stream_id, ep->vdev->slot_id, ep->ep_index);
+ return NULL;
+ }
+
+ return ep->stream_info->stream_rings[stream_id];
+}
+
/* Get the right ring for the given slot_id, ep_index and stream_id.
* If the endpoint supports streams, boundary check the URB's stream ID.
* If the endpoint doesn't support streams, return the singular endpoint ring.
@@ -493,29 +538,7 @@ struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci,
if (!ep)
return NULL;
- /* Common case: no streams */
- if (!(ep->ep_state & EP_HAS_STREAMS))
- return ep->ring;
-
- if (stream_id == 0) {
- xhci_warn(xhci,
- "WARN: Slot ID %u, ep index %u has streams, "
- "but URB has no stream ID.\n",
- slot_id, ep_index);
- return NULL;
- }
-
- if (stream_id < ep->stream_info->num_streams)
- return ep->stream_info->stream_rings[stream_id];
-
- xhci_warn(xhci,
- "WARN: Slot ID %u, ep index %u has "
- "stream IDs 1 to %u allocated, "
- "but stream ID %u is requested.\n",
- slot_id, ep_index,
- ep->stream_info->num_streams - 1,
- stream_id);
- return NULL;
+ return xhci_virt_ep_to_ring(xhci, ep, stream_id);
}
@@ -542,71 +565,54 @@ static u64 xhci_get_hw_deq(struct xhci_hcd *xhci, struct xhci_virt_device *vdev,
return le64_to_cpu(ep_ctx->deq);
}
-/*
- * Move the xHC's endpoint ring dequeue pointer past cur_td.
- * Record the new state of the xHC's endpoint ring dequeue segment,
- * dequeue pointer, stream id, and new consumer cycle state in state.
- * Update our internal representation of the ring's dequeue pointer.
- *
- * We do this in three jumps:
- * - First we update our new ring state to be the same as when the xHC stopped.
- * - Then we traverse the ring to find the segment that contains
- * the last TRB in the TD. We toggle the xHC's new cycle state when we pass
- * any link TRBs with the toggle cycle bit set.
- * - Finally we move the dequeue state one TRB further, toggling the cycle bit
- * if we've moved it past a link TRB with the toggle cycle bit set.
- *
- * Some of the uses of xhci_generic_trb are grotty, but if they're done
- * with correct __le32 accesses they should work fine. Only users of this are
- * in here.
- */
-void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
- unsigned int slot_id, unsigned int ep_index,
- unsigned int stream_id, struct xhci_td *cur_td,
- struct xhci_dequeue_state *state)
+static int xhci_move_dequeue_past_td(struct xhci_hcd *xhci,
+ unsigned int slot_id, unsigned int ep_index,
+ unsigned int stream_id, struct xhci_td *td)
{
struct xhci_virt_device *dev = xhci->devs[slot_id];
struct xhci_virt_ep *ep = &dev->eps[ep_index];
struct xhci_ring *ep_ring;
+ struct xhci_command *cmd;
struct xhci_segment *new_seg;
struct xhci_segment *halted_seg = NULL;
union xhci_trb *new_deq;
+ int new_cycle;
union xhci_trb *halted_trb;
int index = 0;
dma_addr_t addr;
u64 hw_dequeue;
bool cycle_found = false;
bool td_last_trb_found = false;
+ u32 trb_sct = 0;
+ int ret;
ep_ring = xhci_triad_to_transfer_ring(xhci, slot_id,
ep_index, stream_id);
if (!ep_ring) {
- xhci_warn(xhci, "WARN can't find new dequeue state "
- "for invalid stream ID %u.\n",
- stream_id);
- return;
+ xhci_warn(xhci, "WARN can't find new dequeue, invalid stream ID %u\n",
+ stream_id);
+ return -ENODEV;
}
/*
* A cancelled TD can complete with a stall if HW cached the trb.
- * In this case driver can't find cur_td, but if the ring is empty we
+ * In this case driver can't find td, but if the ring is empty we
* can move the dequeue pointer to the current enqueue position.
+ * We shouldn't hit this anymore as cached cancelled TRBs are given back
+ * after clearing the cache, but be on the safe side and keep it anyway
*/
- if (!cur_td) {
+ if (!td) {
if (list_empty(&ep_ring->td_list)) {
- state->new_deq_seg = ep_ring->enq_seg;
- state->new_deq_ptr = ep_ring->enqueue;
- state->new_cycle_state = ep_ring->cycle_state;
- goto done;
+ new_seg = ep_ring->enq_seg;
+ new_deq = ep_ring->enqueue;
+ new_cycle = ep_ring->cycle_state;
+ xhci_dbg(xhci, "ep ring empty, Set new dequeue = enqueue");
+ goto deq_found;
} else {
- xhci_warn(xhci, "Can't find new dequeue state, missing cur_td\n");
- return;
+ xhci_warn(xhci, "Can't find new dequeue state, missing td\n");
+ return -EINVAL;
}
}
- /* Dig out the cycle state saved by the xHC during the stop ep cmd */
- xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "Finding endpoint context");
-
hw_dequeue = xhci_get_hw_deq(xhci, dev, ep_index, stream_id);
new_seg = ep_ring->deq_seg;
new_deq = ep_ring->dequeue;
@@ -618,21 +624,19 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
*/
if (xhci->quirks & XHCI_EP_CTX_BROKEN_DCS &&
!(ep->ep_state & EP_HAS_STREAMS))
- halted_seg = trb_in_td(xhci, cur_td->start_seg,
- cur_td->first_trb, cur_td->last_trb,
+ halted_seg = trb_in_td(xhci, td->start_seg,
+ td->first_trb, td->last_trb,
hw_dequeue & ~0xf, false);
if (halted_seg) {
index = ((dma_addr_t)(hw_dequeue & ~0xf) - halted_seg->dma) /
sizeof(*halted_trb);
halted_trb = &halted_seg->trbs[index];
- state->new_cycle_state = halted_trb->generic.field[3] & 0x1;
+ new_cycle = halted_trb->generic.field[3] & 0x1;
xhci_dbg(xhci, "Endpoint DCS = %d TRB index = %d cycle = %d\n",
- (u8)(hw_dequeue & 0x1), index,
- state->new_cycle_state);
+ (u8)(hw_dequeue & 0x1), index, new_cycle);
} else {
- state->new_cycle_state = hw_dequeue & 0x1;
+ new_cycle = hw_dequeue & 0x1;
}
- state->stream_id = stream_id;
/*
* We want to find the pointer, segment and cycle state of the new trb
@@ -647,40 +651,71 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
if (td_last_trb_found)
break;
}
- if (new_deq == cur_td->last_trb)
+ if (new_deq == td->last_trb)
td_last_trb_found = true;
if (cycle_found && trb_is_link(new_deq) &&
link_trb_toggles_cycle(new_deq))
- state->new_cycle_state ^= 0x1;
+ new_cycle ^= 0x1;
next_trb(xhci, ep_ring, &new_seg, &new_deq);
/* Search wrapped around, bail out */
if (new_deq == ep->ring->dequeue) {
xhci_err(xhci, "Error: Failed finding new dequeue state\n");
- state->new_deq_seg = NULL;
- state->new_deq_ptr = NULL;
- return;
+ return -EINVAL;
}
} while (!cycle_found || !td_last_trb_found);
- state->new_deq_seg = new_seg;
- state->new_deq_ptr = new_deq;
+deq_found:
-done:
/* Don't update the ring cycle state for the producer (us). */
- xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "Cycle state = 0x%x", state->new_cycle_state);
+ addr = xhci_trb_virt_to_dma(new_seg, new_deq);
+ if (addr == 0) {
+ xhci_warn(xhci, "Can't find dma of new dequeue ptr\n");
+ xhci_warn(xhci, "deq seg = %p, deq ptr = %p\n", new_seg, new_deq);
+ return -EINVAL;
+ }
+
+ if ((ep->ep_state & SET_DEQ_PENDING)) {
+ xhci_warn(xhci, "Set TR Deq already pending, don't submit for 0x%pad\n",
+ &addr);
+ return -EBUSY;
+ }
+
+ /* This function gets called from contexts where it cannot sleep */
+ cmd = xhci_alloc_command(xhci, false, GFP_ATOMIC);
+ if (!cmd) {
+ xhci_warn(xhci, "Can't alloc Set TR Deq cmd 0x%pad\n", &addr);
+ return -ENOMEM;
+ }
+
+ if (stream_id)
+ trb_sct = SCT_FOR_TRB(SCT_PRI_TR);
+ ret = queue_command(xhci, cmd,
+ lower_32_bits(addr) | trb_sct | new_cycle,
+ upper_32_bits(addr),
+ STREAM_ID_FOR_TRB(stream_id), SLOT_ID_FOR_TRB(slot_id) |
+ EP_ID_FOR_TRB(ep_index) | TRB_TYPE(TRB_SET_DEQ), false);
+ if (ret < 0) {
+ xhci_free_command(xhci, cmd);
+ return ret;
+ }
+ ep->queued_deq_seg = new_seg;
+ ep->queued_deq_ptr = new_deq;
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "New dequeue segment = %p (virtual)",
- state->new_deq_seg);
- addr = xhci_trb_virt_to_dma(state->new_deq_seg, state->new_deq_ptr);
- xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "New dequeue pointer = 0x%llx (DMA)",
- (unsigned long long) addr);
+ "Set TR Deq ptr 0x%llx, cycle %u\n", addr, new_cycle);
+
+ /* Stop the TD queueing code from ringing the doorbell until
+ * this command completes. The HC won't set the dequeue pointer
+ * if the ring is running, and ringing the doorbell starts the
+ * ring running.
+ */
+ ep->ep_state |= SET_DEQ_PENDING;
+ xhci_ring_cmd_db(xhci);
+ return 0;
}
/* flip_cycle means flip the cycle bit of all but the first and last TRB.
@@ -773,6 +808,233 @@ static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci,
seg->bounce_offs = 0;
}
+static int xhci_td_cleanup(struct xhci_hcd *xhci, struct xhci_td *td,
+ struct xhci_ring *ep_ring, int status)
+{
+ struct urb *urb = NULL;
+
+ /* Clean up the endpoint's TD list */
+ urb = td->urb;
+
+ /* if a bounce buffer was used to align this td then unmap it */
+ xhci_unmap_td_bounce_buffer(xhci, ep_ring, td);
+
+ /* Do one last check of the actual transfer length.
+ * If the host controller said we transferred more data than the buffer
+ * length, urb->actual_length will be a very big number (since it's
+ * unsigned). Play it safe and say we didn't transfer anything.
+ */
+ if (urb->actual_length > urb->transfer_buffer_length) {
+ xhci_warn(xhci, "URB req %u and actual %u transfer length mismatch\n",
+ urb->transfer_buffer_length, urb->actual_length);
+ urb->actual_length = 0;
+ status = 0;
+ }
+ /* TD might be removed from td_list if we are giving back a cancelled URB */
+ if (!list_empty(&td->td_list))
+ list_del_init(&td->td_list);
+ /* Giving back a cancelled URB, or if a slated TD completed anyway */
+ if (!list_empty(&td->cancelled_td_list))
+ list_del_init(&td->cancelled_td_list);
+
+ inc_td_cnt(urb);
+ /* Giveback the urb when all the tds are completed */
+ if (last_td_in_urb(td)) {
+ if ((urb->actual_length != urb->transfer_buffer_length &&
+ (urb->transfer_flags & URB_SHORT_NOT_OK)) ||
+ (status != 0 && !usb_endpoint_xfer_isoc(&urb->ep->desc)))
+ xhci_dbg(xhci, "Giveback URB %p, len = %d, expected = %d, status = %d\n",
+ urb, urb->actual_length,
+ urb->transfer_buffer_length, status);
+
+ /* set isoc urb status to 0 just as EHCI, UHCI, and OHCI */
+ if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS)
+ status = 0;
+ xhci_giveback_urb_in_irq(xhci, td, status);
+ }
+
+ return 0;
+}
+
+
+/* Complete the cancelled URBs we unlinked from td_list. */
+static void xhci_giveback_invalidated_tds(struct xhci_virt_ep *ep)
+{
+ struct xhci_ring *ring;
+ struct xhci_td *td, *tmp_td;
+
+ list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list,
+ cancelled_td_list) {
+
+ ring = xhci_urb_to_transfer_ring(ep->xhci, td->urb);
+
+ if (td->cancel_status == TD_CLEARED)
+ xhci_td_cleanup(ep->xhci, td, ring, td->status);
+
+ if (ep->xhci->xhc_state & XHCI_STATE_DYING)
+ return;
+ }
+}
+
+static int xhci_reset_halted_ep(struct xhci_hcd *xhci, unsigned int slot_id,
+ unsigned int ep_index, enum xhci_ep_reset_type reset_type)
+{
+ struct xhci_command *command;
+ int ret = 0;
+
+ command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
+ if (!command) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ ret = xhci_queue_reset_ep(xhci, command, slot_id, ep_index, reset_type);
+done:
+ if (ret)
+ xhci_err(xhci, "ERROR queuing reset endpoint for slot %d ep_index %d, %d\n",
+ slot_id, ep_index, ret);
+ return ret;
+}
+
+static int xhci_handle_halted_endpoint(struct xhci_hcd *xhci,
+ struct xhci_virt_ep *ep, unsigned int stream_id,
+ struct xhci_td *td,
+ enum xhci_ep_reset_type reset_type)
+{
+ unsigned int slot_id = ep->vdev->slot_id;
+ int err;
+
+ /*
+ * Avoid resetting endpoint if link is inactive. Can cause host hang.
+ * Device will be reset soon to recover the link so don't do anything
+ */
+ if (ep->vdev->flags & VDEV_PORT_ERROR)
+ return -ENODEV;
+
+ /* add td to cancelled list and let reset ep handler take care of it */
+ if (reset_type == EP_HARD_RESET) {
+ ep->ep_state |= EP_HARD_CLEAR_TOGGLE;
+ if (td && list_empty(&td->cancelled_td_list)) {
+ list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list);
+ td->cancel_status = TD_HALTED;
+ }
+ }
+
+ if (ep->ep_state & EP_HALTED) {
+ xhci_dbg(xhci, "Reset ep command already pending\n");
+ return 0;
+ }
+
+ err = xhci_reset_halted_ep(xhci, slot_id, ep->ep_index, reset_type);
+ if (err)
+ return err;
+
+ ep->ep_state |= EP_HALTED;
+
+ xhci_ring_cmd_db(xhci);
+
+ return 0;
+}
+
+/*
+ * Fix up the ep ring first, so HW stops executing cancelled TDs.
+ * We have the xHCI lock, so nothing can modify this list until we drop it.
+ * We're also in the event handler, so we can't get re-interrupted if another
+ * Stop Endpoint command completes.
+ *
+ * only call this when ring is not in a running state
+ */
+
+static int xhci_invalidate_cancelled_tds(struct xhci_virt_ep *ep)
+{
+ struct xhci_hcd *xhci;
+ struct xhci_td *td = NULL;
+ struct xhci_td *tmp_td = NULL;
+ struct xhci_td *cached_td = NULL;
+ struct xhci_ring *ring;
+ u64 hw_deq;
+ unsigned int slot_id = ep->vdev->slot_id;
+ int err;
+
+ xhci = ep->xhci;
+
+ list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list, cancelled_td_list) {
+ xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
+ "Removing canceled TD starting at 0x%llx (dma).",
+ (unsigned long long)xhci_trb_virt_to_dma(
+ td->start_seg, td->first_trb));
+ list_del_init(&td->td_list);
+ ring = xhci_urb_to_transfer_ring(xhci, td->urb);
+ if (!ring) {
+ xhci_warn(xhci, "WARN Cancelled URB %p has invalid stream ID %u.\n",
+ td->urb, td->urb->stream_id);
+ continue;
+ }
+ /*
+ * If a ring stopped on the TD we need to cancel then we have to
+ * move the xHC endpoint ring dequeue pointer past this TD.
+ * Rings halted due to STALL may show hw_deq is past the stalled
+ * TD, but still require a set TR Deq command to flush xHC cache.
+ */
+ hw_deq = xhci_get_hw_deq(xhci, ep->vdev, ep->ep_index,
+ td->urb->stream_id);
+ hw_deq &= ~0xf;
+
+ if (td->cancel_status == TD_HALTED) {
+ cached_td = td;
+ } else if (trb_in_td(xhci, td->start_seg, td->first_trb,
+ td->last_trb, hw_deq, false)) {
+ switch (td->cancel_status) {
+ case TD_CLEARED: /* TD is already no-op */
+ case TD_CLEARING_CACHE: /* set TR deq command already queued */
+ break;
+ case TD_DIRTY: /* TD is cached, clear it */
+ case TD_HALTED:
+ /* FIXME stream case, several stopped rings */
+ cached_td = td;
+ break;
+ }
+ } else {
+ td_to_noop(xhci, ring, td, false);
+ td->cancel_status = TD_CLEARED;
+ }
+ }
+ if (cached_td) {
+ cached_td->cancel_status = TD_CLEARING_CACHE;
+
+ err = xhci_move_dequeue_past_td(xhci, slot_id, ep->ep_index,
+ cached_td->urb->stream_id,
+ cached_td);
+ /* Failed to move past cached td, try just setting it noop */
+ if (err) {
+ td_to_noop(xhci, ring, cached_td, false);
+ cached_td->cancel_status = TD_CLEARED;
+ }
+ cached_td = NULL;
+ }
+ return 0;
+}
+
+/*
+ * Returns the TD the endpoint ring halted on.
+ * Only call for non-running rings without streams.
+ */
+static struct xhci_td *find_halted_td(struct xhci_virt_ep *ep)
+{
+ struct xhci_td *td;
+ u64 hw_deq;
+
+ if (!list_empty(&ep->ring->td_list)) { /* Not streams compatible */
+ hw_deq = xhci_get_hw_deq(ep->xhci, ep->vdev, ep->ep_index, 0);
+ hw_deq &= ~0xf;
+ td = list_first_entry(&ep->ring->td_list, struct xhci_td, td_list);
+ if (trb_in_td(ep->xhci, td->start_seg, td->first_trb,
+ td->last_trb, hw_deq, false))
+ return td;
+ }
+ return NULL;
+}
+
/*
* When we get a command completion for a Stop Endpoint Command, we need to
* unlink any cancelled TDs from the ring. There are two ways to do that:
@@ -784,142 +1046,88 @@ static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci,
* bit cleared) so that the HW will skip over them.
*/
static void xhci_handle_cmd_stop_ep(struct xhci_hcd *xhci, int slot_id,
- union xhci_trb *trb, struct xhci_event_cmd *event)
+ union xhci_trb *trb, u32 comp_code)
{
unsigned int ep_index;
- struct xhci_ring *ep_ring;
struct xhci_virt_ep *ep;
- struct xhci_td *cur_td = NULL;
- struct xhci_td *last_unlinked_td;
struct xhci_ep_ctx *ep_ctx;
- struct xhci_virt_device *vdev;
- u64 hw_deq;
- struct xhci_dequeue_state deq_state;
+ struct xhci_td *td = NULL;
+ enum xhci_ep_reset_type reset_type;
+ struct xhci_command *command;
+ int err;
if (unlikely(TRB_TO_SUSPEND_PORT(le32_to_cpu(trb->generic.field[3])))) {
if (!xhci->devs[slot_id])
- xhci_warn(xhci, "Stop endpoint command "
- "completion for disabled slot %u\n",
- slot_id);
+ xhci_warn(xhci, "Stop endpoint command completion for disabled slot %u\n",
+ slot_id);
return;
}
- memset(&deq_state, 0, sizeof(deq_state));
ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3]));
-
ep = xhci_get_virt_ep(xhci, slot_id, ep_index);
if (!ep)
return;
- vdev = xhci->devs[slot_id];
- ep_ctx = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index);
+ ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
+
trace_xhci_handle_cmd_stop_ep(ep_ctx);
- last_unlinked_td = list_last_entry(&ep->cancelled_td_list,
- struct xhci_td, cancelled_td_list);
-
- if (list_empty(&ep->cancelled_td_list)) {
- xhci_stop_watchdog_timer_in_irq(xhci, ep);
- ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
- return;
- }
-
- /* Fix up the ep ring first, so HW stops executing cancelled TDs.
- * We have the xHCI lock, so nothing can modify this list until we drop
- * it. We're also in the event handler, so we can't get re-interrupted
- * if another Stop Endpoint command completes
+ if (comp_code == COMP_CONTEXT_STATE_ERROR) {
+ /*
+ * If stop endpoint command raced with a halting endpoint we need to
+ * reset the host side endpoint first.
+ * If the TD we halted on isn't cancelled the TD should be given back
+ * with a proper error code, and the ring dequeue moved past the TD.
+ * If streams case we can't find hw_deq, or the TD we halted on so do a
+ * soft reset.
+ *
+ * Proper error code is unknown here, it would be -EPIPE if device side
+ * of enadpoit halted (aka STALL), and -EPROTO if not (transaction error)
+ * We use -EPROTO, if device is stalled it should return a stall error on
+ * next transfer, which then will return -EPIPE, and device side stall is
+ * noted and cleared by class driver.
*/
- list_for_each_entry(cur_td, &ep->cancelled_td_list, cancelled_td_list) {
- xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "Removing canceled TD starting at 0x%llx (dma).",
- (unsigned long long)xhci_trb_virt_to_dma(
- cur_td->start_seg, cur_td->first_trb));
- ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb);
- if (!ep_ring) {
- /* This shouldn't happen unless a driver is mucking
- * with the stream ID after submission. This will
- * leave the TD on the hardware ring, and the hardware
- * will try to execute it, and may access a buffer
- * that has already been freed. In the best case, the
- * hardware will execute it, and the event handler will
- * ignore the completion event for that TD, since it was
- * removed from the td_list for that endpoint. In
- * short, don't muck with the stream ID after
- * submission.
- */
- xhci_warn(xhci, "WARN Cancelled URB %p "
- "has invalid stream ID %u.\n",
- cur_td->urb,
- cur_td->urb->stream_id);
- goto remove_finished_td;
- }
- /*
- * If we stopped on the TD we need to cancel, then we have to
- * move the xHC endpoint ring dequeue pointer past this TD.
- */
- hw_deq = xhci_get_hw_deq(xhci, vdev, ep_index,
- cur_td->urb->stream_id);
- hw_deq &= ~0xf;
+ switch (GET_EP_CTX_STATE(ep_ctx)) {
+ case EP_STATE_HALTED:
+ xhci_dbg(xhci, "Stop ep completion raced with stall, reset ep\n");
+ if (ep->ep_state & EP_HAS_STREAMS) {
+ reset_type = EP_SOFT_RESET;
+ } else {
+ reset_type = EP_HARD_RESET;
+ td = find_halted_td(ep);
+ if (td)
+ td->status = -EPROTO;
+ }
+ /* reset ep, reset handler cleans up cancelled tds */
+ err = xhci_handle_halted_endpoint(xhci, ep, 0, td,
+ reset_type);
+ if (err)
+ break;
+ xhci_stop_watchdog_timer_in_irq(xhci, ep);
+ return;
+ case EP_STATE_RUNNING:
+ /* Race, HW handled stop ep cmd before ep was running */
+ command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
+ if (!command)
+ xhci_stop_watchdog_timer_in_irq(xhci, ep);
- if (trb_in_td(xhci, cur_td->start_seg, cur_td->first_trb,
- cur_td->last_trb, hw_deq, false)) {
- xhci_find_new_dequeue_state(xhci, slot_id, ep_index,
- cur_td->urb->stream_id,
- cur_td, &deq_state);
- } else {
- td_to_noop(xhci, ep_ring, cur_td, false);
- }
+ mod_timer(&ep->stop_cmd_timer,
+ jiffies + XHCI_STOP_EP_CMD_TIMEOUT * HZ);
+ xhci_queue_stop_endpoint(xhci, command, slot_id, ep_index, 0);
+ xhci_ring_cmd_db(xhci);
-remove_finished_td:
- /*
- * The event handler won't see a completion for this TD anymore,
- * so remove it from the endpoint ring's TD list. Keep it in
- * the cancelled TD list for URB completion later.
- */
- list_del_init(&cur_td->td_list);
+ return;
+ default:
+ break;
+ }
}
-
+ /* will queue a set TR deq if stopped on a cancelled, uncleared TD */
+ xhci_invalidate_cancelled_tds(ep);
xhci_stop_watchdog_timer_in_irq(xhci, ep);
- /* If necessary, queue a Set Transfer Ring Dequeue Pointer command */
- if (deq_state.new_deq_ptr && deq_state.new_deq_seg) {
- xhci_queue_new_dequeue_state(xhci, slot_id, ep_index,
- &deq_state);
- xhci_ring_cmd_db(xhci);
- } else {
- /* Otherwise ring the doorbell(s) to restart queued transfers */
- ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
- }
-
- /*
- * Drop the lock and complete the URBs in the cancelled TD list.
- * New TDs to be cancelled might be added to the end of the list before
- * we can complete all the URBs for the TDs we already unlinked.
- * So stop when we've completed the URB for the last TD we unlinked.
- */
- do {
- cur_td = list_first_entry(&ep->cancelled_td_list,
- struct xhci_td, cancelled_td_list);
- list_del_init(&cur_td->cancelled_td_list);
-
- /* Clean up the cancelled URB */
- /* Doesn't matter what we pass for status, since the core will
- * just overwrite it (because the URB has been unlinked).
- */
- ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb);
- xhci_unmap_td_bounce_buffer(xhci, ep_ring, cur_td);
- inc_td_cnt(cur_td->urb);
- if (last_td_in_urb(cur_td))
- xhci_giveback_urb_in_irq(xhci, cur_td, 0);
-
- /* Stop processing the cancelled list if the watchdog timer is
- * running.
- */
- if (xhci->xhc_state & XHCI_STATE_DYING)
- return;
- } while (cur_td != last_unlinked_td);
-
- /* Return to the event handler with xhci->lock re-acquired */
+ /* Otherwise ring the doorbell(s) to restart queued transfers */
+ xhci_giveback_invalidated_tds(ep);
+ ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
}
static void xhci_kill_ring_urbs(struct xhci_hcd *xhci, struct xhci_ring *ring)
@@ -1133,10 +1341,10 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
unsigned int ep_index;
unsigned int stream_id;
struct xhci_ring *ep_ring;
- struct xhci_virt_device *dev;
struct xhci_virt_ep *ep;
struct xhci_ep_ctx *ep_ctx;
struct xhci_slot_ctx *slot_ctx;
+ struct xhci_td *td, *tmp_td;
ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3]));
stream_id = TRB_TO_STREAM_ID(le32_to_cpu(trb->generic.field[2]));
@@ -1144,8 +1352,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
if (!ep)
return;
- dev = xhci->devs[slot_id];
- ep_ring = xhci_stream_id_to_ring(dev, ep_index, stream_id);
+ ep_ring = xhci_virt_ep_to_ring(xhci, ep, stream_id);
if (!ep_ring) {
xhci_warn(xhci, "WARN Set TR deq ptr command for freed stream ID %u\n",
stream_id);
@@ -1153,8 +1360,8 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
goto cleanup;
}
- ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
- slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx);
+ ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
+ slot_ctx = xhci_get_slot_ctx(xhci, ep->vdev->out_ctx);
trace_xhci_handle_cmd_set_deq(slot_ctx);
trace_xhci_handle_cmd_set_deq_ep(ep_ctx);
@@ -1207,7 +1414,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
/* Update the ring's dequeue segment and dequeue pointer
* to reflect the new position.
*/
- update_ring_for_set_deq_completion(xhci, dev,
+ update_ring_for_set_deq_completion(xhci, ep->vdev,
ep_ring, ep_index);
} else {
xhci_warn(xhci, "Mismatch between completed Set TR Deq Ptr command & xHCI internal state.\n");
@@ -1215,7 +1422,15 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
ep->queued_deq_seg, ep->queued_deq_ptr);
}
}
-
+ /* HW cached TDs cleared from cache, give them back */
+ list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list,
+ cancelled_td_list) {
+ ep_ring = xhci_urb_to_transfer_ring(ep->xhci, td->urb);
+ if (td->cancel_status == TD_CLEARING_CACHE) {
+ td->cancel_status = TD_CLEARED;
+ xhci_td_cleanup(ep->xhci, td, ep_ring, td->status);
+ }
+ }
cleanup:
ep->ep_state &= ~SET_DEQ_PENDING;
ep->queued_deq_seg = NULL;
@@ -1227,7 +1442,6 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
union xhci_trb *trb, u32 cmd_comp_code)
{
- struct xhci_virt_device *vdev;
struct xhci_virt_ep *ep;
struct xhci_ep_ctx *ep_ctx;
unsigned int ep_index;
@@ -1237,8 +1451,7 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
if (!ep)
return;
- vdev = xhci->devs[slot_id];
- ep_ctx = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index);
+ ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
trace_xhci_handle_cmd_reset_ep(ep_ctx);
/* This command will only fail if the endpoint wasn't halted,
@@ -1247,27 +1460,15 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
"Ignoring reset ep completion code of %u", cmd_comp_code);
- /* HW with the reset endpoint quirk needs to have a configure endpoint
- * command complete before the endpoint can be used. Queue that here
- * because the HW can't handle two commands being queued in a row.
- */
- if (xhci->quirks & XHCI_RESET_EP_QUIRK) {
- struct xhci_command *command;
+ /* Cleanup cancelled TDs as ep is stopped. May queue a Set TR Deq cmd */
+ xhci_invalidate_cancelled_tds(ep);
- command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
- if (!command)
- return;
+ if (xhci->quirks & XHCI_RESET_EP_QUIRK)
+ xhci_dbg(xhci, "Note: Removed workaround to queue config ep for this hw");
+ /* Clear our internal halted state */
+ ep->ep_state &= ~EP_HALTED;
- xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
- "Queueing configure endpoint command");
- xhci_queue_configure_endpoint(xhci, command,
- xhci->devs[slot_id]->in_ctx->dma, slot_id,
- false);
- xhci_ring_cmd_db(xhci);
- } else {
- /* Clear our internal halted state */
- ep->ep_state &= ~EP_HALTED;
- }
+ xhci_giveback_invalidated_tds(ep);
/* if this was a soft reset, then restart */
if ((le32_to_cpu(trb->generic.field[3])) & TRB_TSP)
@@ -1302,7 +1503,7 @@ static void xhci_handle_cmd_disable_slot(struct xhci_hcd *xhci, int slot_id)
}
static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id,
- struct xhci_event_cmd *event, u32 cmd_comp_code)
+ u32 cmd_comp_code)
{
struct xhci_virt_device *virt_dev;
struct xhci_input_control_ctx *ctrl_ctx;
@@ -1320,6 +1521,8 @@ static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id,
* is not waiting on the configure endpoint command.
*/
virt_dev = xhci->devs[slot_id];
+ if (!virt_dev)
+ return;
ctrl_ctx = xhci_get_input_control_ctx(virt_dev->in_ctx);
if (!ctrl_ctx) {
xhci_warn(xhci, "Could not get input context, bad type.\n");
@@ -1364,24 +1567,27 @@ static void xhci_handle_cmd_addr_dev(struct xhci_hcd *xhci, int slot_id)
struct xhci_slot_ctx *slot_ctx;
vdev = xhci->devs[slot_id];
+ if (!vdev)
+ return;
slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx);
trace_xhci_handle_cmd_addr_dev(slot_ctx);
}
-static void xhci_handle_cmd_reset_dev(struct xhci_hcd *xhci, int slot_id,
- struct xhci_event_cmd *event)
+static void xhci_handle_cmd_reset_dev(struct xhci_hcd *xhci, int slot_id)
{
struct xhci_virt_device *vdev;
struct xhci_slot_ctx *slot_ctx;
vdev = xhci->devs[slot_id];
+ if (!vdev) {
+ xhci_warn(xhci, "Reset device command completion for disabled slot %u\n",
+ slot_id);
+ return;
+ }
slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx);
trace_xhci_handle_cmd_reset_dev(slot_ctx);
xhci_dbg(xhci, "Completed reset device command.\n");
- if (!xhci->devs[slot_id])
- xhci_warn(xhci, "Reset device command completion "
- "for disabled slot %u\n", slot_id);
}
static void xhci_handle_cmd_nec_get_fw(struct xhci_hcd *xhci,
@@ -1474,7 +1680,7 @@ void xhci_handle_command_timeout(struct work_struct *work)
static void handle_cmd_completion(struct xhci_hcd *xhci,
struct xhci_event_cmd *event)
{
- int slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
+ unsigned int slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
u64 cmd_dma;
dma_addr_t cmd_dequeue_dma;
u32 cmd_comp_code;
@@ -1482,6 +1688,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
struct xhci_command *cmd;
u32 cmd_type;
+ if (slot_id >= MAX_HC_SLOTS) {
+ xhci_warn(xhci, "Invalid slot_id %u\n", slot_id);
+ return;
+ }
+
cmd_dma = le64_to_cpu(event->cmd_trb);
cmd_trb = xhci->cmd_ring->dequeue;
@@ -1542,8 +1753,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
break;
case TRB_CONFIG_EP:
if (!cmd->completion)
- xhci_handle_cmd_config_ep(xhci, slot_id, event,
- cmd_comp_code);
+ xhci_handle_cmd_config_ep(xhci, slot_id, cmd_comp_code);
break;
case TRB_EVAL_CONTEXT:
break;
@@ -1554,7 +1764,8 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
WARN_ON(slot_id != TRB_TO_SLOT_ID(
le32_to_cpu(cmd_trb->generic.field[3])));
if (!cmd->completion)
- xhci_handle_cmd_stop_ep(xhci, slot_id, cmd_trb, event);
+ xhci_handle_cmd_stop_ep(xhci, slot_id, cmd_trb,
+ cmd_comp_code);
break;
case TRB_SET_DEQ:
WARN_ON(slot_id != TRB_TO_SLOT_ID(
@@ -1577,7 +1788,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
*/
slot_id = TRB_TO_SLOT_ID(
le32_to_cpu(cmd_trb->generic.field[3]));
- xhci_handle_cmd_reset_dev(xhci, slot_id, event);
+ xhci_handle_cmd_reset_dev(xhci, slot_id);
break;
case TRB_NEC_GET_FW:
xhci_handle_cmd_nec_get_fw(xhci, event);
@@ -1604,11 +1815,8 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
}
static void handle_vendor_event(struct xhci_hcd *xhci,
- union xhci_trb *event)
+ union xhci_trb *event, u32 trb_type)
{
- u32 trb_type;
-
- trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(event->generic.field[3]));
xhci_dbg(xhci, "Vendor specific event TRB type = %u\n", trb_type);
if (trb_type == TRB_NEC_CMD_COMP && (xhci->quirks & XHCI_NEC_HOST))
handle_cmd_completion(xhci, &event->event_cmd);
@@ -1925,37 +2133,6 @@ static void xhci_clear_hub_tt_buffer(struct xhci_hcd *xhci, struct xhci_td *td,
}
}
-static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci,
- unsigned int slot_id, unsigned int ep_index,
- unsigned int stream_id, struct xhci_td *td,
- enum xhci_ep_reset_type reset_type)
-{
- struct xhci_virt_ep *ep = &xhci->devs[slot_id]->eps[ep_index];
- struct xhci_command *command;
-
- /*
- * Avoid resetting endpoint if link is inactive. Can cause host hang.
- * Device will be reset soon to recover the link so don't do anything
- */
- if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR)
- return;
-
- command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
- if (!command)
- return;
-
- ep->ep_state |= EP_HALTED;
-
- xhci_queue_reset_ep(xhci, command, slot_id, ep_index, reset_type);
-
- if (reset_type == EP_HARD_RESET) {
- ep->ep_state |= EP_HARD_CLEAR_TOGGLE;
- xhci_cleanup_stalled_ring(xhci, slot_id, ep_index, stream_id,
- td);
- }
- xhci_ring_cmd_db(xhci);
-}
-
/* Check if an error has halted the endpoint ring. The class driver will
* cleanup the halt for a non-default control endpoint if we indicate a stall.
* However, a babble and other errors also halt the endpoint ring, and the class
@@ -1996,82 +2173,60 @@ int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code)
return 0;
}
-static int xhci_td_cleanup(struct xhci_hcd *xhci, struct xhci_td *td,
- struct xhci_ring *ep_ring, int *status)
+static int finish_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ u32 trb_comp_code)
{
- struct urb *urb = NULL;
-
- /* Clean up the endpoint's TD list */
- urb = td->urb;
-
- /* if a bounce buffer was used to align this td then unmap it */
- xhci_unmap_td_bounce_buffer(xhci, ep_ring, td);
-
- /* Do one last check of the actual transfer length.
- * If the host controller said we transferred more data than the buffer
- * length, urb->actual_length will be a very big number (since it's
- * unsigned). Play it safe and say we didn't transfer anything.
- */
- if (urb->actual_length > urb->transfer_buffer_length) {
- xhci_warn(xhci, "URB req %u and actual %u transfer length mismatch\n",
- urb->transfer_buffer_length, urb->actual_length);
- urb->actual_length = 0;
- *status = 0;
- }
- list_del_init(&td->td_list);
- /* Was this TD slated to be cancelled but completed anyway? */
- if (!list_empty(&td->cancelled_td_list))
- list_del_init(&td->cancelled_td_list);
-
- inc_td_cnt(urb);
- /* Giveback the urb when all the tds are completed */
- if (last_td_in_urb(td)) {
- if ((urb->actual_length != urb->transfer_buffer_length &&
- (urb->transfer_flags & URB_SHORT_NOT_OK)) ||
- (*status != 0 && !usb_endpoint_xfer_isoc(&urb->ep->desc)))
- xhci_dbg(xhci, "Giveback URB %p, len = %d, expected = %d, status = %d\n",
- urb, urb->actual_length,
- urb->transfer_buffer_length, *status);
-
- /* set isoc urb status to 0 just as EHCI, UHCI, and OHCI */
- if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS)
- *status = 0;
- xhci_giveback_urb_in_irq(xhci, td, *status);
- }
-
- return 0;
-}
-
-static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
- struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep, int *status)
-{
- struct xhci_virt_device *xdev;
struct xhci_ep_ctx *ep_ctx;
- struct xhci_ring *ep_ring;
- unsigned int slot_id;
- u32 trb_comp_code;
- int ep_index;
- slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
- xdev = xhci->devs[slot_id];
- ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1;
- ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
- ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
- trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
+ ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep->ep_index);
- if (trb_comp_code == COMP_STOPPED_LENGTH_INVALID ||
- trb_comp_code == COMP_STOPPED ||
- trb_comp_code == COMP_STOPPED_SHORT_PACKET) {
- /* The Endpoint Stop Command completion will take care of any
- * stopped TDs. A stopped TD may be restarted, so don't update
+ switch (trb_comp_code) {
+ case COMP_STOPPED_LENGTH_INVALID:
+ case COMP_STOPPED_SHORT_PACKET:
+ case COMP_STOPPED:
+ /*
+ * The "Stop Endpoint" completion will take care of any
+ * stopped TDs. A stopped TD may be restarted, so don't update
* the ring dequeue pointer or take this TD off any lists yet.
*/
return 0;
- }
- if (trb_comp_code == COMP_STALL_ERROR ||
- xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
- trb_comp_code)) {
+ case COMP_USB_TRANSACTION_ERROR:
+ case COMP_BABBLE_DETECTED_ERROR:
+ case COMP_SPLIT_TRANSACTION_ERROR:
+ /*
+ * If endpoint context state is not halted we might be
+ * racing with a reset endpoint command issued by a unsuccessful
+ * stop endpoint completion (context error). In that case the
+ * td should be on the cancelled list, and EP_HALTED flag set.
+ *
+ * Or then it's not halted due to the 0.95 spec stating that a
+ * babbling control endpoint should not halt. The 0.96 spec
+ * again says it should. Some HW claims to be 0.95 compliant,
+ * but it halts the control endpoint anyway.
+ */
+ if (GET_EP_CTX_STATE(ep_ctx) != EP_STATE_HALTED) {
+ /*
+ * If EP_HALTED is set and TD is on the cancelled list
+ * the TD and dequeue pointer will be handled by reset
+ * ep command completion
+ */
+ if ((ep->ep_state & EP_HALTED) &&
+ !list_empty(&td->cancelled_td_list)) {
+ xhci_dbg(xhci, "Already resolving halted ep for 0x%llx\n",
+ (unsigned long long)xhci_trb_virt_to_dma(
+ td->start_seg, td->first_trb));
+ return 0;
+ }
+ /* endpoint not halted, don't reset it */
+ break;
+ }
+ /* Almost same procedure as for STALL_ERROR below */
+ xhci_clear_hub_tt_buffer(xhci, td, ep);
+ xhci_handle_halted_endpoint(xhci, ep, ep_ring->stream_id, td,
+ EP_HARD_RESET);
+ return 0;
+ case COMP_STALL_ERROR:
/*
* xhci internal endpoint state will go to a "halt" state for
* any stall, including default control pipe protocol stall.
@@ -2082,18 +2237,24 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
* stall later. Hub TT buffer should only be cleared for FS/LS
* devices behind HS hubs for functional stalls.
*/
- if ((ep_index != 0) || (trb_comp_code != COMP_STALL_ERROR))
+ if (ep->ep_index != 0)
xhci_clear_hub_tt_buffer(xhci, td, ep);
- xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index,
- ep_ring->stream_id, td, EP_HARD_RESET);
- } else {
- /* Update ring dequeue pointer */
- while (ep_ring->dequeue != td->last_trb)
- inc_deq(xhci, ep_ring);
- inc_deq(xhci, ep_ring);
+
+ xhci_handle_halted_endpoint(xhci, ep, ep_ring->stream_id, td,
+ EP_HARD_RESET);
+
+ return 0; /* xhci_handle_halted_endpoint marked td cancelled */
+ default:
+ break;
}
- return xhci_td_cleanup(xhci, td, ep_ring, status);
+ /* Update ring dequeue pointer */
+ ep_ring->dequeue = td->last_trb;
+ ep_ring->deq_seg = td->last_trb_seg;
+ ep_ring->num_trbs_free += td->num_trbs - 1;
+ inc_deq(xhci, ep_ring);
+
+ return xhci_td_cleanup(xhci, td, ep_ring, td->status);
}
/* sum trb lengths from ring dequeue up to stop_trb, _excluding_ stop_trb */
@@ -2114,23 +2275,17 @@ static int sum_trb_lengths(struct xhci_hcd *xhci, struct xhci_ring *ring,
/*
* Process control tds, update urb status and actual_length.
*/
-static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
- union xhci_trb *ep_trb, struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep, int *status)
+static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ union xhci_trb *ep_trb, struct xhci_transfer_event *event)
{
- struct xhci_virt_device *xdev;
- unsigned int slot_id;
- int ep_index;
struct xhci_ep_ctx *ep_ctx;
u32 trb_comp_code;
u32 remaining, requested;
u32 trb_type;
trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(ep_trb->generic.field[3]));
- slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
- xdev = xhci->devs[slot_id];
- ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1;
- ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
+ ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep->ep_index);
trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
requested = td->urb->transfer_buffer_length;
remaining = EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
@@ -2140,13 +2295,13 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
if (trb_type != TRB_STATUS) {
xhci_warn(xhci, "WARN: Success on ctrl %s TRB without IOC set?\n",
(trb_type == TRB_DATA) ? "data" : "setup");
- *status = -ESHUTDOWN;
+ td->status = -ESHUTDOWN;
break;
}
- *status = 0;
+ td->status = 0;
break;
case COMP_SHORT_PACKET:
- *status = 0;
+ td->status = 0;
break;
case COMP_STOPPED_SHORT_PACKET:
if (trb_type == TRB_DATA || trb_type == TRB_NORMAL)
@@ -2178,7 +2333,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
ep_ctx, trb_comp_code))
break;
xhci_dbg(xhci, "TRB error %u, halted endpoint index = %u\n",
- trb_comp_code, ep_index);
+ trb_comp_code, ep->ep_index);
fallthrough;
case COMP_STALL_ERROR:
/* Did we transfer part of the data (middle) phase? */
@@ -2210,17 +2365,16 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
td->urb->actual_length = requested;
finish_td:
- return finish_td(xhci, td, event, ep, status);
+ return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
}
/*
* Process isochronous tds, update urb packet status and actual_length.
*/
-static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
- union xhci_trb *ep_trb, struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep, int *status)
+static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ union xhci_trb *ep_trb, struct xhci_transfer_event *event)
{
- struct xhci_ring *ep_ring;
struct urb_priv *urb_priv;
int idx;
struct usb_iso_packet_descriptor *frame;
@@ -2229,7 +2383,6 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
u32 remaining, requested, ep_trb_len;
int short_framestatus;
- ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
urb_priv = td->urb->hcpriv;
idx = urb_priv->num_tds_done;
@@ -2290,26 +2443,23 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
}
if (sum_trbs_for_length)
- frame->actual_length = sum_trb_lengths(xhci, ep_ring, ep_trb) +
+ frame->actual_length = sum_trb_lengths(xhci, ep->ring, ep_trb) +
ep_trb_len - remaining;
else
frame->actual_length = requested;
td->urb->actual_length += frame->actual_length;
- return finish_td(xhci, td, event, ep, status);
+ return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
}
static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
- struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep, int *status)
+ struct xhci_virt_ep *ep, int status)
{
- struct xhci_ring *ep_ring;
struct urb_priv *urb_priv;
struct usb_iso_packet_descriptor *frame;
int idx;
- ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
urb_priv = td->urb->hcpriv;
idx = urb_priv->num_tds_done;
frame = &td->urb->iso_frame_desc[idx];
@@ -2321,31 +2471,26 @@ static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
frame->actual_length = 0;
/* Update ring dequeue pointer */
- while (ep_ring->dequeue != td->last_trb)
- inc_deq(xhci, ep_ring);
- inc_deq(xhci, ep_ring);
+ ep->ring->dequeue = td->last_trb;
+ ep->ring->deq_seg = td->last_trb_seg;
+ ep->ring->num_trbs_free += td->num_trbs - 1;
+ inc_deq(xhci, ep->ring);
- return xhci_td_cleanup(xhci, td, ep_ring, status);
+ return xhci_td_cleanup(xhci, td, ep->ring, status);
}
/*
* Process bulk and interrupt tds, update urb status and actual_length.
*/
-static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
- union xhci_trb *ep_trb, struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep, int *status)
+static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ union xhci_trb *ep_trb, struct xhci_transfer_event *event)
{
struct xhci_slot_ctx *slot_ctx;
- struct xhci_ring *ep_ring;
u32 trb_comp_code;
u32 remaining, requested, ep_trb_len;
- unsigned int slot_id;
- int ep_index;
- slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
- slot_ctx = xhci_get_slot_ctx(xhci, xhci->devs[slot_id]->out_ctx);
- ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1;
- ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
+ slot_ctx = xhci_get_slot_ctx(xhci, ep->vdev->out_ctx);
trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
remaining = EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
ep_trb_len = TRB_LEN(le32_to_cpu(ep_trb->generic.field[2]));
@@ -2361,13 +2506,13 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
td->urb->ep->desc.bEndpointAddress,
requested, remaining);
}
- *status = 0;
+ td->status = 0;
break;
case COMP_SHORT_PACKET:
xhci_dbg(xhci, "ep %#x - asked for %d bytes, %d bytes untransferred\n",
td->urb->ep->desc.bEndpointAddress,
requested, remaining);
- *status = 0;
+ td->status = 0;
break;
case COMP_STOPPED_SHORT_PACKET:
td->urb->actual_length = remaining;
@@ -2382,9 +2527,11 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
(ep_ring->err_count++ > MAX_SOFT_RETRY) ||
le32_to_cpu(slot_ctx->tt_info) & TT_SLOT)
break;
- *status = 0;
- xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index,
- ep_ring->stream_id, td, EP_SOFT_RESET);
+
+ td->status = 0;
+
+ xhci_handle_halted_endpoint(xhci, ep, ep_ring->stream_id, td,
+ EP_SOFT_RESET);
return 0;
default:
/* do nothing */
@@ -2403,7 +2550,8 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
remaining);
td->urb->actual_length = 0;
}
- return finish_td(xhci, td, event, ep, status);
+
+ return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
}
/*
@@ -2414,7 +2562,6 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
static int handle_tx_event(struct xhci_hcd *xhci,
struct xhci_transfer_event *event)
{
- struct xhci_virt_device *xdev;
struct xhci_virt_ep *ep;
struct xhci_ring *ep_ring;
unsigned int slot_id;
@@ -2441,9 +2588,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
goto err_out;
}
- xdev = xhci->devs[slot_id];
ep_ring = xhci_dma_to_transfer_ring(ep, ep_trb_dma);
- ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
+ ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep_index);
if (GET_EP_CTX_STATE(ep_ctx) == EP_STATE_DISABLED) {
xhci_err(xhci,
@@ -2459,8 +2605,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
case COMP_USB_TRANSACTION_ERROR:
case COMP_INVALID_STREAM_TYPE_ERROR:
case COMP_INVALID_STREAM_ID_ERROR:
- xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index, 0,
- NULL, EP_SOFT_RESET);
+ xhci_handle_halted_endpoint(xhci, ep, 0, NULL,
+ EP_SOFT_RESET);
goto cleanup;
case COMP_RING_UNDERRUN:
case COMP_RING_OVERRUN:
@@ -2515,7 +2661,6 @@ static int handle_tx_event(struct xhci_hcd *xhci,
case COMP_STALL_ERROR:
xhci_dbg(xhci, "Stalled endpoint for slot %u ep %u\n", slot_id,
ep_index);
- ep->ep_state |= EP_HALTED;
status = -EPIPE;
break;
case COMP_SPLIT_TRANSACTION_ERROR:
@@ -2643,11 +2788,10 @@ static int handle_tx_event(struct xhci_hcd *xhci,
if (trb_comp_code == COMP_STALL_ERROR ||
xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
trb_comp_code)) {
- xhci_cleanup_halted_endpoint(xhci, slot_id,
- ep_index,
- ep_ring->stream_id,
- NULL,
- EP_HARD_RESET);
+ xhci_handle_halted_endpoint(xhci, ep,
+ ep_ring->stream_id,
+ NULL,
+ EP_HARD_RESET);
}
goto cleanup;
}
@@ -2706,7 +2850,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
return -ESHUTDOWN;
}
- skip_isoc_td(xhci, td, event, ep, &status);
+ skip_isoc_td(xhci, td, ep, status);
goto cleanup;
}
if (trb_comp_code == COMP_SHORT_PACKET)
@@ -2734,25 +2878,26 @@ static int handle_tx_event(struct xhci_hcd *xhci,
* endpoint. Otherwise, the endpoint remains stalled
* indefinitely.
*/
+
if (trb_is_noop(ep_trb)) {
if (trb_comp_code == COMP_STALL_ERROR ||
xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
trb_comp_code))
- xhci_cleanup_halted_endpoint(xhci, slot_id,
- ep_index,
- ep_ring->stream_id,
- td, EP_HARD_RESET);
+ xhci_handle_halted_endpoint(xhci, ep,
+ ep_ring->stream_id,
+ td, EP_HARD_RESET);
goto cleanup;
}
+ td->status = status;
+
/* update the urb's actual_length and give back to the core */
if (usb_endpoint_xfer_control(&td->urb->ep->desc))
- process_ctrl_td(xhci, td, ep_trb, event, ep, &status);
+ process_ctrl_td(xhci, ep, ep_ring, td, ep_trb, event);
else if (usb_endpoint_xfer_isoc(&td->urb->ep->desc))
- process_isoc_td(xhci, td, ep_trb, event, ep, &status);
+ process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event);
else
- process_bulk_intr_td(xhci, td, ep_trb, event, ep,
- &status);
+ process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event);
cleanup:
handling_skipped_tds = ep->skip &&
trb_comp_code != COMP_MISSED_SERVICE_ERROR &&
@@ -2793,10 +2938,11 @@ static int handle_tx_event(struct xhci_hcd *xhci,
* Returns >0 for "possibly more events to process" (caller should call again),
* otherwise 0 if done. In future, <0 returns should indicate error code.
*/
-static int xhci_handle_event(struct xhci_hcd *xhci)
+int xhci_handle_event(struct xhci_hcd *xhci)
{
union xhci_trb *event;
int update_ptrs = 1;
+ u32 trb_type;
int ret;
/* Event ring hasn't been allocated yet. */
@@ -2818,31 +2964,30 @@ static int xhci_handle_event(struct xhci_hcd *xhci)
* speculative reads of the event's flags/data below.
*/
rmb();
+ trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(event->event_cmd.flags));
/* FIXME: Handle more event types. */
- switch (le32_to_cpu(event->event_cmd.flags) & TRB_TYPE_BITMASK) {
- case TRB_TYPE(TRB_COMPLETION):
+
+ switch (trb_type) {
+ case TRB_COMPLETION:
handle_cmd_completion(xhci, &event->event_cmd);
break;
- case TRB_TYPE(TRB_PORT_STATUS):
+ case TRB_PORT_STATUS:
handle_port_status(xhci, event);
update_ptrs = 0;
break;
- case TRB_TYPE(TRB_TRANSFER):
+ case TRB_TRANSFER:
ret = handle_tx_event(xhci, &event->trans_event);
if (ret >= 0)
update_ptrs = 0;
break;
- case TRB_TYPE(TRB_DEV_NOTE):
+ case TRB_DEV_NOTE:
handle_device_notification(xhci, event);
break;
default:
- if ((le32_to_cpu(event->event_cmd.flags) & TRB_TYPE_BITMASK) >=
- TRB_TYPE(48))
- handle_vendor_event(xhci, event);
+ if (trb_type >= TRB_VENDOR_DEFINED_LOW)
+ handle_vendor_event(xhci, event, trb_type);
else
- xhci_warn(xhci, "ERROR unknown event type %d\n",
- TRB_FIELD_TO_TYPE(
- le32_to_cpu(event->event_cmd.flags)));
+ xhci_warn(xhci, "ERROR unknown event type %d\n", trb_type);
}
/* Any of the above functions may drop and re-acquire the lock, so check
* to make sure a watchdog timer didn't mark the host as non-responsive.
@@ -2862,13 +3007,14 @@ static int xhci_handle_event(struct xhci_hcd *xhci)
*/
return 1;
}
+EXPORT_SYMBOL_GPL(xhci_handle_event);
/*
* Update Event Ring Dequeue Pointer:
* - When all events have finished
* - To avoid "Event Ring Full Error" condition
*/
-static void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
+void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
union xhci_trb *event_ring_deq)
{
u64 temp_64;
@@ -2898,6 +3044,16 @@ static void xhci_update_erst_dequeue(struct xhci_hcd *xhci,
temp_64 |= ERST_EHB;
xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue);
}
+EXPORT_SYMBOL_GPL(xhci_update_erst_dequeue);
+
+static irqreturn_t xhci_vendor_queue_irq_work(struct xhci_hcd *xhci)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->queue_irq_work)
+ return ops->queue_irq_work(xhci);
+ return IRQ_NONE;
+}
/*
* xHCI spec says we can get an interrupt, and if the HC has an error condition,
@@ -2933,6 +3089,10 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
goto out;
}
+ ret = xhci_vendor_queue_irq_work(xhci);
+ if (ret == IRQ_HANDLED)
+ goto out;
+
/*
* Clear the op reg interrupt status first,
* so we can receive interrupts from other MSI-X interrupters.
@@ -3023,6 +3183,7 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
u32 ep_state, unsigned int num_trbs, gfp_t mem_flags)
{
unsigned int num_trbs_needed;
+ unsigned int link_trb_count = 0;
/* Make sure the endpoint has been added to xHC schedule */
switch (ep_state) {
@@ -3093,7 +3254,19 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring,
ep_ring->enq_seg = ep_ring->enq_seg->next;
ep_ring->enqueue = ep_ring->enq_seg->trbs;
+
+ /* prevent infinite loop if all first trbs are link trbs */
+ if (link_trb_count++ > ep_ring->num_segs) {
+ xhci_warn(xhci, "Ring is an endless link TRB loop\n");
+ return -EINVAL;
+ }
}
+
+ if (last_trb_on_seg(ep_ring->enq_seg, ep_ring->enqueue)) {
+ xhci_warn(xhci, "Missing link TRB at end of ring segment\n");
+ return -EINVAL;
+ }
+
return 0;
}
@@ -3112,7 +3285,8 @@ static int prepare_transfer(struct xhci_hcd *xhci,
struct xhci_ring *ep_ring;
struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
- ep_ring = xhci_stream_id_to_ring(xdev, ep_index, stream_id);
+ ep_ring = xhci_triad_to_transfer_ring(xhci, xdev->slot_id, ep_index,
+ stream_id);
if (!ep_ring) {
xhci_dbg(xhci, "Can't prepare ring for bad stream ID %u\n",
stream_id);
@@ -3481,7 +3655,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
field |= TRB_IOC;
more_trbs_coming = false;
td->last_trb = ring->enqueue;
-
+ td->last_trb_seg = ring->enq_seg;
if (xhci_urb_suitable_for_idt(urb)) {
memcpy(&send_addr, urb->transfer_buffer,
trb_buff_len);
@@ -3507,7 +3681,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
upper_32_bits(send_addr),
length_field,
field);
-
+ td->num_trbs++;
addr += trb_buff_len;
sent_len = trb_buff_len;
@@ -3531,8 +3705,10 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
ep_index, urb->stream_id,
1, urb, 1, mem_flags);
urb_priv->td[1].last_trb = ring->enqueue;
+ urb_priv->td[1].last_trb_seg = ring->enq_seg;
field = TRB_TYPE(TRB_NORMAL) | ring->cycle_state | TRB_IOC;
queue_trb(xhci, ring, 0, 0, 0, TRB_INTR_TARGET(0), field);
+ urb_priv->td[1].num_trbs++;
}
check_trb_math(urb, enqd_len);
@@ -3583,6 +3759,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
urb_priv = urb->hcpriv;
td = &urb_priv->td[0];
+ td->num_trbs = num_trbs;
/*
* Don't give the first TRB to the hardware (by toggling the cycle bit)
@@ -3655,6 +3832,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
/* Save the DMA address of the last TRB in the TD */
td->last_trb = ep_ring->enqueue;
+ td->last_trb_seg = ep_ring->enq_seg;
/* Queue status TRB - see Table 7 and sections 4.11.2.2 and 6.4.1.2.3 */
/* If the device sent data, the status stage is an OUT transfer */
@@ -3899,7 +4077,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
goto cleanup;
}
td = &urb_priv->td[i];
-
+ td->num_trbs = trbs_per_td;
/* use SIA as default, if frame id is used overwrite it */
sia_frame_id = TRB_SIA;
if (!(urb->transfer_flags & URB_ISO_ASAP) &&
@@ -3942,6 +4120,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
} else {
more_trbs_coming = false;
td->last_trb = ep_ring->enqueue;
+ td->last_trb_seg = ep_ring->enq_seg;
field |= TRB_IOC;
if (trb_block_event_intr(xhci, num_tds, i))
field |= TRB_BEI;
@@ -4224,71 +4403,7 @@ int xhci_queue_stop_endpoint(struct xhci_hcd *xhci, struct xhci_command *cmd,
return queue_command(xhci, cmd, 0, 0, 0,
trb_slot_id | trb_ep_index | type | trb_suspend, false);
}
-
-/* Set Transfer Ring Dequeue Pointer command */
-void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
- unsigned int slot_id, unsigned int ep_index,
- struct xhci_dequeue_state *deq_state)
-{
- dma_addr_t addr;
- u32 trb_slot_id = SLOT_ID_FOR_TRB(slot_id);
- u32 trb_ep_index = EP_ID_FOR_TRB(ep_index);
- u32 trb_stream_id = STREAM_ID_FOR_TRB(deq_state->stream_id);
- u32 trb_sct = 0;
- u32 type = TRB_TYPE(TRB_SET_DEQ);
- struct xhci_virt_ep *ep;
- struct xhci_command *cmd;
- int ret;
-
- xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "Set TR Deq Ptr cmd, new deq seg = %p (0x%llx dma), new deq ptr = %p (0x%llx dma), new cycle = %u",
- deq_state->new_deq_seg,
- (unsigned long long)deq_state->new_deq_seg->dma,
- deq_state->new_deq_ptr,
- (unsigned long long)xhci_trb_virt_to_dma(
- deq_state->new_deq_seg, deq_state->new_deq_ptr),
- deq_state->new_cycle_state);
-
- addr = xhci_trb_virt_to_dma(deq_state->new_deq_seg,
- deq_state->new_deq_ptr);
- if (addr == 0) {
- xhci_warn(xhci, "WARN Cannot submit Set TR Deq Ptr\n");
- xhci_warn(xhci, "WARN deq seg = %p, deq pt = %p\n",
- deq_state->new_deq_seg, deq_state->new_deq_ptr);
- return;
- }
- ep = &xhci->devs[slot_id]->eps[ep_index];
- if ((ep->ep_state & SET_DEQ_PENDING)) {
- xhci_warn(xhci, "WARN Cannot submit Set TR Deq Ptr\n");
- xhci_warn(xhci, "A Set TR Deq Ptr command is pending.\n");
- return;
- }
-
- /* This function gets called from contexts where it cannot sleep */
- cmd = xhci_alloc_command(xhci, false, GFP_ATOMIC);
- if (!cmd)
- return;
-
- ep->queued_deq_seg = deq_state->new_deq_seg;
- ep->queued_deq_ptr = deq_state->new_deq_ptr;
- if (deq_state->stream_id)
- trb_sct = SCT_FOR_TRB(SCT_PRI_TR);
- ret = queue_command(xhci, cmd,
- lower_32_bits(addr) | trb_sct | deq_state->new_cycle_state,
- upper_32_bits(addr), trb_stream_id,
- trb_slot_id | trb_ep_index | type, false);
- if (ret < 0) {
- xhci_free_command(xhci, cmd);
- return;
- }
-
- /* Stop the TD queueing code from ringing the doorbell until
- * this command completes. The HC won't set the dequeue pointer
- * if the ring is running, and ringing the doorbell starts the
- * ring running.
- */
- ep->ep_state |= SET_DEQ_PENDING;
-}
+EXPORT_SYMBOL_GPL(xhci_queue_stop_endpoint);
int xhci_queue_reset_ep(struct xhci_hcd *xhci, struct xhci_command *cmd,
int slot_id, unsigned int ep_index,
diff --git a/drivers/usb/host/xhci-trace.c b/drivers/usb/host/xhci-trace.c
index d007081..c417835 100644
--- a/drivers/usb/host/xhci-trace.c
+++ b/drivers/usb/host/xhci-trace.c
@@ -12,3 +12,6 @@
#include "xhci-trace.h"
EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_dbg_quirks);
+EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_urb_enqueue);
+EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_handle_transfer);
+EXPORT_TRACEPOINT_SYMBOL_GPL(xhci_urb_giveback);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index bf42ba3..9b4ecda 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -20,7 +20,6 @@
#include "xhci.h"
#include "xhci-trace.h"
-#include "xhci-mtk.h"
#include "xhci-debugfs.h"
#include "xhci-dbgcap.h"
@@ -1306,6 +1305,7 @@ unsigned int xhci_get_endpoint_index(struct usb_endpoint_descriptor *desc)
(usb_endpoint_dir_in(desc) ? 1 : 0) - 1;
return index;
}
+EXPORT_SYMBOL_GPL(xhci_get_endpoint_index);
/* The reverse operation to xhci_get_endpoint_index. Calculate the USB endpoint
* address from the XHCI endpoint index.
@@ -1316,6 +1316,7 @@ unsigned int xhci_get_endpoint_address(unsigned int ep_index)
unsigned int direction = ep_index % 2 ? USB_DIR_OUT : USB_DIR_IN;
return direction | number;
}
+EXPORT_SYMBOL_GPL(xhci_get_endpoint_address);
/* Find the flag for this endpoint (for use in the control context). Use the
* endpoint index to create a bitmask. The slot context is bit 0, endpoint 0 is
@@ -1326,15 +1327,6 @@ static unsigned int xhci_get_endpoint_flag(struct usb_endpoint_descriptor *desc)
return 1 << (xhci_get_endpoint_index(desc) + 1);
}
-/* Find the flag for this endpoint (for use in the control context). Use the
- * endpoint index to create a bitmask. The slot context is bit 0, endpoint 0 is
- * bit 1, etc.
- */
-static unsigned int xhci_get_endpoint_flag_from_index(unsigned int ep_index)
-{
- return 1 << (ep_index + 1);
-}
-
/* Compute the last valid endpoint context index. Basically, this is the
* endpoint index plus one. For slot contexts with more than valid endpoint,
* we find the most significant bit set in the added contexts flags.
@@ -1498,6 +1490,11 @@ static int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flag
return -ENODEV;
}
+ if (xhci_vendor_usb_offload_skip_urb(xhci, urb)) {
+ xhci_dbg(xhci, "skip urb for usb offload\n");
+ return -EOPNOTSUPP;
+ }
+
if (usb_endpoint_xfer_isoc(&urb->ep->desc))
num_tds = urb->number_of_packets;
else if (usb_endpoint_is_bulk_out(&urb->ep->desc) &&
@@ -1698,7 +1695,12 @@ static int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
for (; i < urb_priv->num_tds; i++) {
td = &urb_priv->td[i];
- list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list);
+ /* TD can already be on cancelled list if ep halted on it */
+ if (list_empty(&td->cancelled_td_list)) {
+ td->cancel_status = TD_DIRTY;
+ list_add_tail(&td->cancelled_td_list,
+ &ep->cancelled_td_list);
+ }
}
/* Queue a stop endpoint command, but only if this is
@@ -1744,8 +1746,8 @@ static int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
* disabled, so there's no need for mutual exclusion to protect
* the xhci->devs[slot_id] structure.
*/
-static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
- struct usb_host_endpoint *ep)
+int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep)
{
struct xhci_hcd *xhci;
struct xhci_container_ctx *in_ctx, *out_ctx;
@@ -1805,9 +1807,6 @@ static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep);
- if (xhci->quirks & XHCI_MTK_HOST)
- xhci_mtk_drop_ep_quirk(hcd, udev, ep);
-
xhci_dbg(xhci, "drop ep 0x%x, slot id %d, new drop flags = %#x, new add flags = %#x\n",
(unsigned int) ep->desc.bEndpointAddress,
udev->slot_id,
@@ -1815,6 +1814,7 @@ static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
(unsigned int) new_add_flags);
return 0;
}
+EXPORT_SYMBOL_GPL(xhci_drop_endpoint);
/* Add an endpoint to a new possible bandwidth configuration for this device.
* Only one call to this function is allowed per endpoint before
@@ -1829,8 +1829,8 @@ static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
* configuration or alt setting is installed in the device, so there's no need
* for mutual exclusion to protect the xhci->devs[slot_id] structure.
*/
-static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
- struct usb_host_endpoint *ep)
+int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep)
{
struct xhci_hcd *xhci;
struct xhci_container_ctx *in_ctx;
@@ -1904,15 +1904,6 @@ static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
return -ENOMEM;
}
- if (xhci->quirks & XHCI_MTK_HOST) {
- ret = xhci_mtk_add_ep_quirk(hcd, udev, ep);
- if (ret < 0) {
- xhci_ring_free(xhci, virt_dev->eps[ep_index].new_ring);
- virt_dev->eps[ep_index].new_ring = NULL;
- return ret;
- }
- }
-
ctrl_ctx->add_flags |= cpu_to_le32(added_ctxs);
new_add_flags = le32_to_cpu(ctrl_ctx->add_flags);
@@ -1937,6 +1928,7 @@ static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
(unsigned int) new_add_flags);
return 0;
}
+EXPORT_SYMBOL_GPL(xhci_add_endpoint);
static void xhci_zero_in_ctx(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev)
{
@@ -2846,6 +2838,14 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
xhci_finish_resource_reservation(xhci, ctrl_ctx);
spin_unlock_irqrestore(&xhci->lock, flags);
}
+ if (ret)
+ goto failed;
+
+ ret = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+ if (ret)
+ xhci_warn(xhci, "sync device context failed, ret=%d", ret);
+
+failed:
return ret;
}
@@ -2970,6 +2970,7 @@ int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
return ret;
}
+EXPORT_SYMBOL_GPL(xhci_check_bandwidth);
void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
{
@@ -2988,12 +2989,17 @@ void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
for (i = 0; i < 31; i++) {
if (virt_dev->eps[i].new_ring) {
xhci_debugfs_remove_endpoint(xhci, virt_dev, i);
- xhci_ring_free(xhci, virt_dev->eps[i].new_ring);
+ if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, i))
+ xhci_vendor_free_transfer_ring(xhci, virt_dev, i);
+ else
+ xhci_ring_free(xhci, virt_dev->eps[i].new_ring);
+
virt_dev->eps[i].new_ring = NULL;
}
}
xhci_zero_in_ctx(xhci, virt_dev);
}
+EXPORT_SYMBOL_GPL(xhci_reset_bandwidth);
static void xhci_setup_input_ctx_for_config_ep(struct xhci_hcd *xhci,
struct xhci_container_ctx *in_ctx,
@@ -3007,84 +3013,6 @@ static void xhci_setup_input_ctx_for_config_ep(struct xhci_hcd *xhci,
ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
}
-static void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci,
- unsigned int slot_id, unsigned int ep_index,
- struct xhci_dequeue_state *deq_state)
-{
- struct xhci_input_control_ctx *ctrl_ctx;
- struct xhci_container_ctx *in_ctx;
- struct xhci_ep_ctx *ep_ctx;
- u32 added_ctxs;
- dma_addr_t addr;
-
- in_ctx = xhci->devs[slot_id]->in_ctx;
- ctrl_ctx = xhci_get_input_control_ctx(in_ctx);
- if (!ctrl_ctx) {
- xhci_warn(xhci, "%s: Could not get input context, bad type.\n",
- __func__);
- return;
- }
-
- xhci_endpoint_copy(xhci, xhci->devs[slot_id]->in_ctx,
- xhci->devs[slot_id]->out_ctx, ep_index);
- ep_ctx = xhci_get_ep_ctx(xhci, in_ctx, ep_index);
- addr = xhci_trb_virt_to_dma(deq_state->new_deq_seg,
- deq_state->new_deq_ptr);
- if (addr == 0) {
- xhci_warn(xhci, "WARN Cannot submit config ep after "
- "reset ep command\n");
- xhci_warn(xhci, "WARN deq seg = %p, deq ptr = %p\n",
- deq_state->new_deq_seg,
- deq_state->new_deq_ptr);
- return;
- }
- ep_ctx->deq = cpu_to_le64(addr | deq_state->new_cycle_state);
-
- added_ctxs = xhci_get_endpoint_flag_from_index(ep_index);
- xhci_setup_input_ctx_for_config_ep(xhci, xhci->devs[slot_id]->in_ctx,
- xhci->devs[slot_id]->out_ctx, ctrl_ctx,
- added_ctxs, added_ctxs);
-}
-
-void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
- unsigned int ep_index, unsigned int stream_id,
- struct xhci_td *td)
-{
- struct xhci_dequeue_state deq_state;
-
- xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
- "Cleaning up stalled endpoint ring");
- /* We need to move the HW's dequeue pointer past this TD,
- * or it will attempt to resend it on the next doorbell ring.
- */
- xhci_find_new_dequeue_state(xhci, slot_id, ep_index, stream_id, td,
- &deq_state);
-
- if (!deq_state.new_deq_ptr || !deq_state.new_deq_seg)
- return;
-
- /* HW with the reset endpoint quirk will use the saved dequeue state to
- * issue a configure endpoint command later.
- */
- if (!(xhci->quirks & XHCI_RESET_EP_QUIRK)) {
- xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
- "Queueing new dequeue state");
- xhci_queue_new_dequeue_state(xhci, slot_id,
- ep_index, &deq_state);
- } else {
- /* Better hope no one uses the input context between now and the
- * reset endpoint completion!
- * XXX: No idea how this hardware will react when stream rings
- * are enabled.
- */
- xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
- "Setting up input context for "
- "configure endpoint command");
- xhci_setup_input_ctx_for_quirk(xhci, slot_id,
- ep_index, &deq_state);
- }
-}
-
static void xhci_endpoint_disable(struct usb_hcd *hcd,
struct usb_host_endpoint *host_ep)
{
@@ -3230,6 +3158,13 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
wait_for_completion(stop_cmd->completion);
+ err = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+ if (err) {
+ xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+ __func__, err);
+ goto cleanup;
+ }
+
spin_lock_irqsave(&xhci->lock, flags);
/* config ep command clears toggle if add and drop ep flags are set */
@@ -3261,6 +3196,11 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
wait_for_completion(cfg_cmd->completion);
+ err = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+ if (err)
+ xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+ __func__, err);
+
xhci_free_command(xhci, cfg_cmd);
cleanup:
xhci_free_command(xhci, stop_cmd);
@@ -3806,6 +3746,13 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd,
/* Wait for the Reset Device command to finish */
wait_for_completion(reset_device_cmd->completion);
+ ret = xhci_vendor_sync_dev_ctx(xhci, slot_id);
+ if (ret) {
+ xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+ __func__, ret);
+ goto command_cleanup;
+ }
+
/* The Reset Device command can't fail, according to the 0.95/0.96 spec,
* unless we tried to reset a slot ID that wasn't enabled,
* or the device wasn't in the addressed or configured state.
@@ -4045,6 +3992,14 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
xhci_warn(xhci, "Could not allocate xHCI USB device data structures\n");
goto disable_slot;
}
+
+ ret = xhci_vendor_sync_dev_ctx(xhci, slot_id);
+ if (ret) {
+ xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+ __func__, ret);
+ goto disable_slot;
+ }
+
vdev = xhci->devs[slot_id];
slot_ctx = xhci_get_slot_ctx(xhci, vdev->out_ctx);
trace_xhci_alloc_dev(slot_ctx);
@@ -4178,6 +4133,13 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
/* ctrl tx can take up to 5 sec; XXX: need more time for xHC? */
wait_for_completion(command->completion);
+ ret = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+ if (ret) {
+ xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+ __func__, ret);
+ goto out;
+ }
+
/* FIXME: From section 4.3.4: "Software shall be responsible for timing
* the SetAddress() "recovery interval" required by USB and aborting the
* command on a timeout.
@@ -4261,10 +4223,11 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
return ret;
}
-static int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
+int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
{
return xhci_setup_device(hcd, udev, SETUP_CONTEXT_ADDRESS);
}
+EXPORT_SYMBOL_GPL(xhci_address_device);
static int xhci_enable_device(struct usb_hcd *hcd, struct usb_device *udev)
{
@@ -4324,6 +4287,14 @@ static int __maybe_unused xhci_change_max_exit_latency(struct xhci_hcd *xhci,
return -ENOMEM;
}
+ ret = xhci_vendor_sync_dev_ctx(xhci, udev->slot_id);
+ if (ret) {
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+ __func__, ret);
+ return ret;
+ }
+
xhci_slot_copy(xhci, command->in_ctx, virt_dev->out_ctx);
spin_unlock_irqrestore(&xhci->lock, flags);
@@ -4348,6 +4319,30 @@ static int __maybe_unused xhci_change_max_exit_latency(struct xhci_hcd *xhci,
return ret;
}
+struct xhci_vendor_ops *xhci_vendor_get_ops(struct xhci_hcd *xhci)
+{
+ return xhci->vendor_ops;
+}
+EXPORT_SYMBOL_GPL(xhci_vendor_get_ops);
+
+int xhci_vendor_sync_dev_ctx(struct xhci_hcd *xhci, unsigned int slot_id)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->sync_dev_ctx)
+ return ops->sync_dev_ctx(xhci, slot_id);
+ return 0;
+}
+
+bool xhci_vendor_usb_offload_skip_urb(struct xhci_hcd *xhci, struct urb *urb)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->usb_offload_skip_urb)
+ return ops->usb_offload_skip_urb(xhci, urb);
+ return false;
+}
+
#ifdef CONFIG_PM
/* BESL to HIRD Encoding array for USB2 LPM */
@@ -5087,6 +5082,15 @@ static int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
return -ENOMEM;
}
+ ret = xhci_vendor_sync_dev_ctx(xhci, hdev->slot_id);
+ if (ret) {
+ xhci_warn(xhci, "%s: Failed to sync device context failed, err=%d",
+ __func__, ret);
+ xhci_free_command(xhci, config_cmd);
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ return ret;
+ }
+
xhci_slot_copy(xhci, config_cmd->in_ctx, vdev->out_ctx);
ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG);
slot_ctx = xhci_get_slot_ctx(xhci, config_cmd->in_ctx);
@@ -5410,10 +5414,20 @@ void xhci_init_driver(struct hc_driver *drv,
drv->reset = over->reset;
if (over->start)
drv->start = over->start;
+ if (over->add_endpoint)
+ drv->add_endpoint = over->add_endpoint;
+ if (over->drop_endpoint)
+ drv->drop_endpoint = over->drop_endpoint;
if (over->check_bandwidth)
drv->check_bandwidth = over->check_bandwidth;
if (over->reset_bandwidth)
drv->reset_bandwidth = over->reset_bandwidth;
+ if (over->address_device)
+ drv->address_device = over->address_device;
+ if (over->bus_suspend)
+ drv->bus_suspend = over->bus_suspend;
+ if (over->bus_resume)
+ drv->bus_resume = over->bus_resume;
}
}
EXPORT_SYMBOL_GPL(xhci_init_driver);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 45584a2..2bba700 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/usb/hcd.h>
#include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/android_kabi.h>
/* Code sharing between pci-quirks and xhci hcd */
#include "xhci-ext-caps.h"
@@ -812,6 +813,9 @@ struct xhci_command {
struct completion *completion;
union xhci_trb *command_trb;
struct list_head cmd_list;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/* drop context bitmasks */
@@ -921,6 +925,8 @@ struct xhci_bw_info {
#define SS_BW_RESERVED 10
struct xhci_virt_ep {
+ struct xhci_virt_device *vdev; /* parent */
+ unsigned int ep_index;
struct xhci_ring *ring;
/* Related to endpoints that are configured to use stream IDs only */
struct xhci_stream_info *stream_info;
@@ -999,6 +1005,7 @@ struct xhci_interval_bw_table {
#define EP_CTX_PER_DEV 31
struct xhci_virt_device {
+ int slot_id;
struct usb_device *udev;
/*
* Commands to the hardware are passed an "input context" that
@@ -1415,7 +1422,7 @@ union xhci_trb {
/* MFINDEX Wrap Event - microframe counter wrapped */
#define TRB_MFINDEX_WRAP 39
/* TRB IDs 40-47 reserved, 48-63 is vendor-defined */
-
+#define TRB_VENDOR_DEFINED_LOW 48
/* Nec vendor-specific command completion event. */
#define TRB_NEC_CMD_COMP 48
/* Get NEC firmware revision. */
@@ -1533,18 +1540,31 @@ struct xhci_segment {
void *bounce_buf;
unsigned int bounce_offs;
unsigned int bounce_len;
+
+ ANDROID_KABI_RESERVE(1);
+};
+
+enum xhci_cancelled_td_status {
+ TD_DIRTY = 0,
+ TD_HALTED,
+ TD_CLEARING_CACHE,
+ TD_CLEARED,
};
struct xhci_td {
struct list_head td_list;
struct list_head cancelled_td_list;
+ int status;
+ enum xhci_cancelled_td_status cancel_status;
struct urb *urb;
struct xhci_segment *start_seg;
union xhci_trb *first_trb;
union xhci_trb *last_trb;
+ struct xhci_segment *last_trb_seg;
struct xhci_segment *bounce_seg;
/* actual_length of the URB has already been set */
bool urb_length_set;
+ unsigned int num_trbs;
};
/* xHCI command default timeout value */
@@ -1556,13 +1576,6 @@ struct xhci_cd {
union xhci_trb *cmd_trb;
};
-struct xhci_dequeue_state {
- struct xhci_segment *new_deq_seg;
- union xhci_trb *new_deq_ptr;
- int new_cycle_state;
- unsigned int stream_id;
-};
-
enum xhci_ring_type {
TYPE_CTRL = 0,
TYPE_ISOC,
@@ -1618,6 +1631,9 @@ struct xhci_ring {
enum xhci_ring_type type;
bool last_td_was_short;
struct radix_tree_root *trb_address_map;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct xhci_erst_entry {
@@ -1635,6 +1651,8 @@ struct xhci_erst {
dma_addr_t erst_dma_addr;
/* Num entries the ERST can contain */
unsigned int erst_size;
+
+ ANDROID_KABI_RESERVE(1);
};
struct xhci_scratchpad {
@@ -1913,6 +1931,14 @@ struct xhci_hcd {
struct list_head regset_list;
void *dbc;
+
+ /* Used for bug 194461020 */
+ ANDROID_KABI_USE(1, struct xhci_vendor_ops *vendor_ops);
+
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
/* platform-specific data -- must come last */
unsigned long priv[] __aligned(sizeof(s64));
};
@@ -1922,8 +1948,15 @@ struct xhci_driver_overrides {
size_t extra_priv_size;
int (*reset)(struct usb_hcd *hcd);
int (*start)(struct usb_hcd *hcd);
+ int (*add_endpoint)(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep);
+ int (*drop_endpoint)(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep);
int (*check_bandwidth)(struct usb_hcd *, struct usb_device *);
void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *);
+ int (*address_device)(struct usb_hcd *hcd, struct usb_device *udev);
+ int (*bus_suspend)(struct usb_hcd *hcd);
+ int (*bus_resume)(struct usb_hcd *hcd);
};
#define XHCI_CFC_DELAY 10
@@ -2050,10 +2083,6 @@ void xhci_free_device_endpoint_resources(struct xhci_hcd *xhci,
struct xhci_ring *xhci_dma_to_transfer_ring(
struct xhci_virt_ep *ep,
u64 address);
-struct xhci_ring *xhci_stream_id_to_ring(
- struct xhci_virt_device *dev,
- unsigned int ep_index,
- unsigned int stream_id);
struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
bool allocate_completion, gfp_t mem_flags);
struct xhci_command *xhci_alloc_command_with_ctx(struct xhci_hcd *xhci,
@@ -2078,8 +2107,13 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
void xhci_shutdown(struct usb_hcd *hcd);
void xhci_init_driver(struct hc_driver *drv,
const struct xhci_driver_overrides *over);
+int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep);
+int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
+ struct usb_host_endpoint *ep);
int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
+int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev);
int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id);
int xhci_ext_cap_init(struct xhci_hcd *xhci);
@@ -2127,13 +2161,6 @@ int xhci_queue_reset_ep(struct xhci_hcd *xhci, struct xhci_command *cmd,
enum xhci_ep_reset_type reset_type);
int xhci_queue_reset_device(struct xhci_hcd *xhci, struct xhci_command *cmd,
u32 slot_id);
-void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
- unsigned int slot_id, unsigned int ep_index,
- unsigned int stream_id, struct xhci_td *cur_td,
- struct xhci_dequeue_state *state);
-void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
- unsigned int slot_id, unsigned int ep_index,
- struct xhci_dequeue_state *deq_state);
void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
unsigned int ep_index, unsigned int stream_id,
struct xhci_td *td);
@@ -2194,6 +2221,53 @@ static inline struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci,
urb->stream_id);
}
+/**
+ * struct xhci_vendor_ops - function callbacks for vendor specific operations
+ * @vendor_init: called for vendor init process
+ * @vendor_cleanup: called for vendor cleanup process
+ * @is_usb_offload_enabled: called to check if usb offload enabled
+ * @queue_irq_work: called to queue vendor specific irq work
+ * @alloc_dcbaa: called when allocating vendor specific dcbaa
+ * @free_dcbaa: called to free vendor specific dcbaa
+ * @alloc_transfer_ring: called when remote transfer ring allocation is required
+ * @free_transfer_ring: called to free vendor specific transfer ring
+ * @sync_dev_ctx: called when synchronization for device context is required
+ * @alloc_container_ctx: called when allocating vendor specific container context
+ * @free_container_ctx: called to free vendor specific container context
+ */
+struct xhci_vendor_ops {
+ int (*vendor_init)(struct xhci_hcd *xhci);
+ void (*vendor_cleanup)(struct xhci_hcd *xhci);
+ bool (*is_usb_offload_enabled)(struct xhci_hcd *xhci,
+ struct xhci_virt_device *vdev,
+ unsigned int ep_index);
+ irqreturn_t (*queue_irq_work)(struct xhci_hcd *xhci);
+
+ struct xhci_device_context_array *(*alloc_dcbaa)(struct xhci_hcd *xhci,
+ gfp_t flags);
+ void (*free_dcbaa)(struct xhci_hcd *xhci);
+
+ struct xhci_ring *(*alloc_transfer_ring)(struct xhci_hcd *xhci,
+ u32 endpoint_type, enum xhci_ring_type ring_type,
+ unsigned int max_packet, gfp_t mem_flags);
+ void (*free_transfer_ring)(struct xhci_hcd *xhci,
+ struct xhci_virt_device *virt_dev, unsigned int ep_index);
+ int (*sync_dev_ctx)(struct xhci_hcd *xhci, unsigned int slot_id);
+ bool (*usb_offload_skip_urb)(struct xhci_hcd *xhci, struct urb *urb);
+ void (*alloc_container_ctx)(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
+ int type, gfp_t flags);
+ void (*free_container_ctx)(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx);
+};
+
+struct xhci_vendor_ops *xhci_vendor_get_ops(struct xhci_hcd *xhci);
+
+int xhci_vendor_sync_dev_ctx(struct xhci_hcd *xhci, unsigned int slot_id);
+bool xhci_vendor_usb_offload_skip_urb(struct xhci_hcd *xhci, struct urb *urb);
+void xhci_vendor_free_transfer_ring(struct xhci_hcd *xhci,
+ struct xhci_virt_device *virt_dev, unsigned int ep_index);
+bool xhci_vendor_is_usb_offload_enabled(struct xhci_hcd *xhci,
+ struct xhci_virt_device *virt_dev, unsigned int ep_index);
+
/*
* TODO: As per spec Isochronous IDT transmissions are supported. We bypass
* them anyways as we where unable to find a device that matches the
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index e62e5e3..b7f0944 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -15,8 +15,8 @@
#include <linux/usb/typec_dp.h>
#include "displayport.h"
-#define DP_HEADER(_dp, cmd) (VDO((_dp)->alt->svid, 1, cmd) | \
- VDO_OPOS(USB_TYPEC_DP_MODE))
+#define DP_HEADER(_dp, ver, cmd) (VDO((_dp)->alt->svid, 1, ver, cmd) \
+ | VDO_OPOS(USB_TYPEC_DP_MODE))
enum {
DP_CONF_USB,
@@ -156,9 +156,14 @@ static int dp_altmode_configured(struct dp_altmode *dp)
static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
{
- u32 header = DP_HEADER(dp, DP_CMD_CONFIGURE);
+ int svdm_version = typec_altmode_get_svdm_version(dp->alt);
+ u32 header;
int ret;
+ if (svdm_version < 0)
+ return svdm_version;
+
+ header = DP_HEADER(dp, svdm_version, DP_CMD_CONFIGURE);
ret = typec_altmode_notify(dp->alt, TYPEC_STATE_SAFE, &dp->data);
if (ret) {
dev_err(&dp->alt->dev,
@@ -181,6 +186,7 @@ static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf)
static void dp_altmode_work(struct work_struct *work)
{
struct dp_altmode *dp = container_of(work, struct dp_altmode, work);
+ int svdm_version;
u32 header;
u32 vdo;
int ret;
@@ -194,7 +200,10 @@ static void dp_altmode_work(struct work_struct *work)
dev_err(&dp->alt->dev, "failed to enter mode\n");
break;
case DP_STATE_UPDATE:
- header = DP_HEADER(dp, DP_CMD_STATUS_UPDATE);
+ svdm_version = typec_altmode_get_svdm_version(dp->alt);
+ if (svdm_version < 0)
+ break;
+ header = DP_HEADER(dp, svdm_version, DP_CMD_STATUS_UPDATE);
vdo = 1;
ret = typec_altmode_vdm(dp->alt, header, &vdo, 2);
if (ret)
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index c7d44da..8277c29 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -11,6 +11,8 @@
#include <linux/mutex.h>
#include <linux/property.h>
#include <linux/slab.h>
+#include <linux/usb/pd_vdo.h>
+#include <linux/android_kabi.h>
#include "bus.h"
@@ -18,6 +20,8 @@ struct typec_plug {
struct device dev;
enum typec_plug_index index;
struct ida mode_ids;
+ int num_altmodes;
+ ANDROID_KABI_RESERVE(1);
};
struct typec_cable {
@@ -25,6 +29,8 @@ struct typec_cable {
enum typec_plug_type type;
struct usb_pd_identity *identity;
unsigned int active:1;
+ u16 pd_revision; /* 0300H = "3.0" */
+ ANDROID_KABI_RESERVE(1);
};
struct typec_partner {
@@ -33,6 +39,10 @@ struct typec_partner {
struct usb_pd_identity *identity;
enum typec_accessory accessory;
struct ida mode_ids;
+ int num_altmodes;
+ u16 pd_revision; /* 0300H = "3.0" */
+ enum usb_pd_svdm_ver svdm_version;
+ ANDROID_KABI_RESERVE(1);
};
struct typec_port {
@@ -54,6 +64,7 @@ struct typec_port {
const struct typec_capability *cap;
const struct typec_operations *ops;
+ ANDROID_KABI_RESERVE(1);
};
#define to_typec_port(_dev_) container_of(_dev_, struct typec_port, dev)
@@ -81,6 +92,29 @@ static const char * const typec_accessory_modes[] = {
[TYPEC_ACCESSORY_DEBUG] = "debug",
};
+/* Product types defined in USB PD Specification R3.0 V2.0 */
+static const char * const product_type_ufp[8] = {
+ [IDH_PTYPE_NOT_UFP] = "not_ufp",
+ [IDH_PTYPE_HUB] = "hub",
+ [IDH_PTYPE_PERIPH] = "peripheral",
+ [IDH_PTYPE_PSD] = "psd",
+ [IDH_PTYPE_AMA] = "ama",
+};
+
+static const char * const product_type_dfp[8] = {
+ [IDH_PTYPE_NOT_DFP] = "not_dfp",
+ [IDH_PTYPE_DFP_HUB] = "hub",
+ [IDH_PTYPE_DFP_HOST] = "host",
+ [IDH_PTYPE_DFP_PB] = "power_brick",
+};
+
+static const char * const product_type_cable[8] = {
+ [IDH_PTYPE_NOT_CABLE] = "not_cable",
+ [IDH_PTYPE_PCABLE] = "passive",
+ [IDH_PTYPE_ACABLE] = "active",
+ [IDH_PTYPE_VPD] = "vpd",
+};
+
static struct usb_pd_identity *get_pd_identity(struct device *dev)
{
if (is_typec_partner(dev)) {
@@ -95,6 +129,32 @@ static struct usb_pd_identity *get_pd_identity(struct device *dev)
return NULL;
}
+static const char *get_pd_product_type(struct device *dev)
+{
+ struct typec_port *port = to_typec_port(dev->parent);
+ struct usb_pd_identity *id = get_pd_identity(dev);
+ const char *ptype = NULL;
+
+ if (is_typec_partner(dev)) {
+ if (!id)
+ return NULL;
+
+ if (port->data_role == TYPEC_HOST)
+ ptype = product_type_ufp[PD_IDH_PTYPE(id->id_header)];
+ else
+ ptype = product_type_dfp[PD_IDH_DFP_PTYPE(id->id_header)];
+ } else if (is_typec_cable(dev)) {
+ if (id)
+ ptype = product_type_cable[PD_IDH_PTYPE(id->id_header)];
+ else
+ ptype = to_typec_cable(dev)->active ?
+ product_type_cable[IDH_PTYPE_ACABLE] :
+ product_type_cable[IDH_PTYPE_PCABLE];
+ }
+
+ return ptype;
+}
+
static ssize_t id_header_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -122,10 +182,40 @@ static ssize_t product_show(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR_RO(product);
+static ssize_t product_type_vdo1_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct usb_pd_identity *id = get_pd_identity(dev);
+
+ return sysfs_emit(buf, "0x%08x\n", id->vdo[0]);
+}
+static DEVICE_ATTR_RO(product_type_vdo1);
+
+static ssize_t product_type_vdo2_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct usb_pd_identity *id = get_pd_identity(dev);
+
+ return sysfs_emit(buf, "0x%08x\n", id->vdo[1]);
+}
+static DEVICE_ATTR_RO(product_type_vdo2);
+
+static ssize_t product_type_vdo3_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct usb_pd_identity *id = get_pd_identity(dev);
+
+ return sysfs_emit(buf, "0x%08x\n", id->vdo[2]);
+}
+static DEVICE_ATTR_RO(product_type_vdo3);
+
static struct attribute *usb_pd_id_attrs[] = {
&dev_attr_id_header.attr,
&dev_attr_cert_stat.attr,
&dev_attr_product.attr,
+ &dev_attr_product_type_vdo1.attr,
+ &dev_attr_product_type_vdo2.attr,
+ &dev_attr_product_type_vdo3.attr,
NULL
};
@@ -139,13 +229,54 @@ static const struct attribute_group *usb_pd_id_groups[] = {
NULL,
};
+static void typec_product_type_notify(struct device *dev)
+{
+ char *envp[2] = { };
+ const char *ptype;
+
+ ptype = get_pd_product_type(dev);
+ if (!ptype)
+ return;
+
+ sysfs_notify(&dev->kobj, NULL, "type");
+
+ envp[0] = kasprintf(GFP_KERNEL, "PRODUCT_TYPE=%s", ptype);
+ if (!envp[0])
+ return;
+
+ kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, envp);
+ kfree(envp[0]);
+}
+
static void typec_report_identity(struct device *dev)
{
sysfs_notify(&dev->kobj, "identity", "id_header");
sysfs_notify(&dev->kobj, "identity", "cert_stat");
sysfs_notify(&dev->kobj, "identity", "product");
+ sysfs_notify(&dev->kobj, "identity", "product_type_vdo1");
+ sysfs_notify(&dev->kobj, "identity", "product_type_vdo2");
+ sysfs_notify(&dev->kobj, "identity", "product_type_vdo3");
+ typec_product_type_notify(dev);
}
+static ssize_t
+type_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ const char *ptype;
+
+ ptype = get_pd_product_type(dev);
+ if (!ptype)
+ return 0;
+
+ return sysfs_emit(buf, "%s\n", ptype);
+}
+static DEVICE_ATTR_RO(type);
+
+static ssize_t usb_power_delivery_revision_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf);
+static DEVICE_ATTR_RO(usb_power_delivery_revision);
+
/* ------------------------------------------------------------------------- */
/* Alternate Modes */
@@ -382,7 +513,7 @@ static umode_t typec_altmode_attr_is_visible(struct kobject *kobj,
return attr->mode;
}
-static struct attribute_group typec_altmode_group = {
+static const struct attribute_group typec_altmode_group = {
.is_visible = typec_altmode_attr_is_visible,
.attrs = typec_altmode_attrs,
};
@@ -484,6 +615,10 @@ typec_register_altmode(struct device *parent,
if (is_typec_partner(parent))
alt->adev.dev.bus = &typec_bus;
+ /* Plug alt modes need a class to generate udev events. */
+ if (is_typec_plug(parent))
+ alt->adev.dev.class = typec_class;
+
ret = device_register(&alt->adev.dev);
if (ret) {
dev_err(parent, "failed to register alternate mode (%d)\n",
@@ -534,12 +669,61 @@ static ssize_t supports_usb_power_delivery_show(struct device *dev,
}
static DEVICE_ATTR_RO(supports_usb_power_delivery);
+static ssize_t number_of_alternate_modes_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct typec_partner *partner;
+ struct typec_plug *plug;
+ int num_altmodes;
+
+ if (is_typec_partner(dev)) {
+ partner = to_typec_partner(dev);
+ num_altmodes = partner->num_altmodes;
+ } else if (is_typec_plug(dev)) {
+ plug = to_typec_plug(dev);
+ num_altmodes = plug->num_altmodes;
+ } else {
+ return 0;
+ }
+
+ return sysfs_emit(buf, "%d\n", num_altmodes);
+}
+static DEVICE_ATTR_RO(number_of_alternate_modes);
+
static struct attribute *typec_partner_attrs[] = {
&dev_attr_accessory_mode.attr,
&dev_attr_supports_usb_power_delivery.attr,
+ &dev_attr_number_of_alternate_modes.attr,
+ &dev_attr_type.attr,
+ &dev_attr_usb_power_delivery_revision.attr,
NULL
};
-ATTRIBUTE_GROUPS(typec_partner);
+
+static umode_t typec_partner_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n)
+{
+ struct typec_partner *partner = to_typec_partner(kobj_to_dev(kobj));
+
+ if (attr == &dev_attr_number_of_alternate_modes.attr) {
+ if (partner->num_altmodes < 0)
+ return 0;
+ }
+
+ if (attr == &dev_attr_type.attr)
+ if (!get_pd_product_type(kobj_to_dev(kobj)))
+ return 0;
+
+ return attr->mode;
+}
+
+static const struct attribute_group typec_partner_group = {
+ .is_visible = typec_partner_attr_is_visible,
+ .attrs = typec_partner_attrs
+};
+
+static const struct attribute_group *typec_partner_groups[] = {
+ &typec_partner_group,
+ NULL
+};
static void typec_partner_release(struct device *dev)
{
@@ -573,6 +757,61 @@ int typec_partner_set_identity(struct typec_partner *partner)
EXPORT_SYMBOL_GPL(typec_partner_set_identity);
/**
+ * typec_partner_set_pd_revision - Set the PD revision supported by the partner
+ * @partner: The partner to be updated.
+ * @pd_revision: USB Power Delivery Specification Revision supported by partner
+ *
+ * This routine is used to report that the PD revision of the port partner has
+ * become available.
+ */
+void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision)
+{
+ if (partner->pd_revision == pd_revision)
+ return;
+
+ partner->pd_revision = pd_revision;
+ sysfs_notify(&partner->dev.kobj, NULL, "usb_power_delivery_revision");
+ if (pd_revision != 0 && !partner->usb_pd) {
+ partner->usb_pd = 1;
+ sysfs_notify(&partner->dev.kobj, NULL,
+ "supports_usb_power_delivery");
+ }
+ kobject_uevent(&partner->dev.kobj, KOBJ_CHANGE);
+}
+EXPORT_SYMBOL_GPL(typec_partner_set_pd_revision);
+
+/**
+ * typec_partner_set_num_altmodes - Set the number of available partner altmodes
+ * @partner: The partner to be updated.
+ * @num_altmodes: The number of altmodes we want to specify as available.
+ *
+ * This routine is used to report the number of alternate modes supported by the
+ * partner. This value is *not* enforced in alternate mode registration routines.
+ *
+ * @partner.num_altmodes is set to -1 on partner registration, denoting that
+ * a valid value has not been set for it yet.
+ *
+ * Returns 0 on success or negative error number on failure.
+ */
+int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmodes)
+{
+ int ret;
+
+ if (num_altmodes < 0)
+ return -EINVAL;
+
+ partner->num_altmodes = num_altmodes;
+ ret = sysfs_update_group(&partner->dev.kobj, &typec_partner_group);
+ if (ret < 0)
+ return ret;
+
+ sysfs_notify(&partner->dev.kobj, NULL, "number_of_alternate_modes");
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(typec_partner_set_num_altmodes);
+
+/**
* typec_partner_register_altmode - Register USB Type-C Partner Alternate Mode
* @partner: USB Type-C Partner that supports the alternate mode
* @desc: Description of the alternate mode
@@ -593,6 +832,20 @@ typec_partner_register_altmode(struct typec_partner *partner,
EXPORT_SYMBOL_GPL(typec_partner_register_altmode);
/**
+ * typec_partner_set_svdm_version - Set negotiated Structured VDM (SVDM) Version
+ * @partner: USB Type-C Partner that supports SVDM
+ * @svdm_version: Negotiated SVDM Version
+ *
+ * This routine is used to save the negotiated SVDM Version.
+ */
+void typec_partner_set_svdm_version(struct typec_partner *partner,
+ enum usb_pd_svdm_ver svdm_version)
+{
+ partner->svdm_version = svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_partner_set_svdm_version);
+
+/**
* typec_register_partner - Register a USB Type-C Partner
* @port: The USB Type-C Port the partner is connected to
* @desc: Description of the partner
@@ -614,6 +867,9 @@ struct typec_partner *typec_register_partner(struct typec_port *port,
ida_init(&partner->mode_ids);
partner->usb_pd = desc->usb_pd;
partner->accessory = desc->accessory;
+ partner->num_altmodes = -1;
+ partner->pd_revision = desc->pd_revision;
+ partner->svdm_version = port->cap->svdm_version;
if (desc->identity) {
/*
@@ -664,12 +920,71 @@ static void typec_plug_release(struct device *dev)
kfree(plug);
}
+static struct attribute *typec_plug_attrs[] = {
+ &dev_attr_number_of_alternate_modes.attr,
+ NULL
+};
+
+static umode_t typec_plug_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n)
+{
+ struct typec_plug *plug = to_typec_plug(kobj_to_dev(kobj));
+
+ if (attr == &dev_attr_number_of_alternate_modes.attr) {
+ if (plug->num_altmodes < 0)
+ return 0;
+ }
+
+ return attr->mode;
+}
+
+static const struct attribute_group typec_plug_group = {
+ .is_visible = typec_plug_attr_is_visible,
+ .attrs = typec_plug_attrs
+};
+
+static const struct attribute_group *typec_plug_groups[] = {
+ &typec_plug_group,
+ NULL
+};
+
static const struct device_type typec_plug_dev_type = {
.name = "typec_plug",
+ .groups = typec_plug_groups,
.release = typec_plug_release,
};
/**
+ * typec_plug_set_num_altmodes - Set the number of available plug altmodes
+ * @plug: The plug to be updated.
+ * @num_altmodes: The number of altmodes we want to specify as available.
+ *
+ * This routine is used to report the number of alternate modes supported by the
+ * plug. This value is *not* enforced in alternate mode registration routines.
+ *
+ * @plug.num_altmodes is set to -1 on plug registration, denoting that
+ * a valid value has not been set for it yet.
+ *
+ * Returns 0 on success or negative error number on failure.
+ */
+int typec_plug_set_num_altmodes(struct typec_plug *plug, int num_altmodes)
+{
+ int ret;
+
+ if (num_altmodes < 0)
+ return -EINVAL;
+
+ plug->num_altmodes = num_altmodes;
+ ret = sysfs_update_group(&plug->dev.kobj, &typec_plug_group);
+ if (ret < 0)
+ return ret;
+
+ sysfs_notify(&plug->dev.kobj, NULL, "number_of_alternate_modes");
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(typec_plug_set_num_altmodes);
+
+/**
* typec_plug_register_altmode - Register USB Type-C Cable Plug Alternate Mode
* @plug: USB Type-C Cable Plug that supports the alternate mode
* @desc: Description of the alternate mode
@@ -714,6 +1029,7 @@ struct typec_plug *typec_register_plug(struct typec_cable *cable,
sprintf(name, "plug%d", desc->index);
ida_init(&plug->mode_ids);
+ plug->num_altmodes = -1;
plug->index = desc->index;
plug->dev.class = typec_class;
plug->dev.parent = &cable->dev;
@@ -746,15 +1062,6 @@ EXPORT_SYMBOL_GPL(typec_unregister_plug);
/* Type-C Cables */
-static ssize_t
-type_show(struct device *dev, struct device_attribute *attr, char *buf)
-{
- struct typec_cable *cable = to_typec_cable(dev);
-
- return sprintf(buf, "%s\n", cable->active ? "active" : "passive");
-}
-static DEVICE_ATTR_RO(type);
-
static const char * const typec_plug_types[] = {
[USB_PLUG_NONE] = "unknown",
[USB_PLUG_TYPE_A] = "type-a",
@@ -775,6 +1082,7 @@ static DEVICE_ATTR_RO(plug_type);
static struct attribute *typec_cable_attrs[] = {
&dev_attr_type.attr,
&dev_attr_plug_type.attr,
+ &dev_attr_usb_power_delivery_revision.attr,
NULL
};
ATTRIBUTE_GROUPS(typec_cable);
@@ -877,6 +1185,7 @@ struct typec_cable *typec_register_cable(struct typec_port *port,
cable->type = desc->type;
cable->active = desc->active;
+ cable->pd_revision = desc->pd_revision;
if (desc->identity) {
/*
@@ -1246,11 +1555,23 @@ static ssize_t usb_power_delivery_revision_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- struct typec_port *p = to_typec_port(dev);
+ u16 rev = 0;
- return sprintf(buf, "%d\n", (p->cap->pd_revision >> 8) & 0xff);
+ if (is_typec_partner(dev)) {
+ struct typec_partner *partner = to_typec_partner(dev);
+
+ rev = partner->pd_revision;
+ } else if (is_typec_cable(dev)) {
+ struct typec_cable *cable = to_typec_cable(dev);
+
+ rev = cable->pd_revision;
+ } else if (is_typec_port(dev)) {
+ struct typec_port *p = to_typec_port(dev);
+
+ rev = p->cap->pd_revision;
+ }
+ return sysfs_emit(buf, "%d.%d\n", (rev >> 8) & 0xff, (rev >> 4) & 0xf);
}
-static DEVICE_ATTR_RO(usb_power_delivery_revision);
static ssize_t orientation_show(struct device *dev,
struct device_attribute *attr,
@@ -1311,7 +1632,7 @@ static umode_t typec_attr_is_visible(struct kobject *kobj,
return attr->mode;
}
-static struct attribute_group typec_group = {
+static const struct attribute_group typec_group = {
.is_visible = typec_attr_is_visible,
.attrs = typec_attrs,
};
@@ -1354,6 +1675,11 @@ const struct device_type typec_port_dev_type = {
/* --------------------------------------- */
/* Driver callbacks to report role updates */
+static int partner_match(struct device *dev, void *data)
+{
+ return is_typec_partner(dev);
+}
+
/**
* typec_set_data_role - Report data role change
* @port: The USB Type-C Port where the role was changed
@@ -1363,12 +1689,23 @@ const struct device_type typec_port_dev_type = {
*/
void typec_set_data_role(struct typec_port *port, enum typec_data_role role)
{
+ struct device *partner_dev;
+
if (port->data_role == role)
return;
port->data_role = role;
sysfs_notify(&port->dev.kobj, NULL, "data_role");
kobject_uevent(&port->dev.kobj, KOBJ_CHANGE);
+
+ partner_dev = device_find_child(&port->dev, NULL, partner_match);
+ if (!partner_dev)
+ return;
+
+ if (to_typec_partner(partner_dev)->identity)
+ typec_product_type_notify(partner_dev);
+
+ put_device(partner_dev);
}
EXPORT_SYMBOL_GPL(typec_set_data_role);
@@ -1409,11 +1746,6 @@ void typec_set_vconn_role(struct typec_port *port, enum typec_role role)
}
EXPORT_SYMBOL_GPL(typec_set_vconn_role);
-static int partner_match(struct device *dev, void *data)
-{
- return is_typec_partner(dev);
-}
-
/**
* typec_set_pwr_opmode - Report changed power operation mode
* @port: The USB Type-C Port where the mode was changed
@@ -1584,6 +1916,33 @@ EXPORT_SYMBOL_GPL(typec_set_mode);
/* --------------------------------------- */
/**
+ * typec_get_negotiated_svdm_version - Get negotiated SVDM Version
+ * @port: USB Type-C Port.
+ *
+ * Get the negotiated SVDM Version. The Version is set to the port default
+ * value stored in typec_capability on partner registration, and updated after
+ * a successful Discover Identity if the negotiated value is less than the
+ * default value.
+ *
+ * Returns usb_pd_svdm_ver if the partner has been registered otherwise -ENODEV.
+ */
+int typec_get_negotiated_svdm_version(struct typec_port *port)
+{
+ enum usb_pd_svdm_ver svdm_version;
+ struct device *partner_dev;
+
+ partner_dev = device_find_child(&port->dev, NULL, partner_match);
+ if (!partner_dev)
+ return -ENODEV;
+
+ svdm_version = to_typec_partner(partner_dev)->svdm_version;
+ put_device(partner_dev);
+
+ return svdm_version;
+}
+EXPORT_SYMBOL_GPL(typec_get_negotiated_svdm_version);
+
+/**
* typec_get_drvdata - Return private driver data pointer
* @port: USB Type-C port
*/
diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index acdef6f..31b1b3b 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -176,6 +176,7 @@ static int hsl_orientation(struct pmc_usb_port *port)
static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
{
u8 response[4];
+ u8 status_res;
int ret;
/*
@@ -189,9 +190,13 @@ static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
if (ret)
return ret;
- if (response[2] & PMC_USB_RESP_STATUS_FAILURE) {
- if (response[2] & PMC_USB_RESP_STATUS_FATAL)
+ status_res = (msg[0] & 0xf) < PMC_USB_SAFE_MODE ?
+ response[2] : response[1];
+
+ if (status_res & PMC_USB_RESP_STATUS_FAILURE) {
+ if (status_res & PMC_USB_RESP_STATUS_FATAL)
return -EIO;
+
return -EBUSY;
}
@@ -267,6 +272,7 @@ static int
pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state)
{
struct typec_thunderbolt_data *data = state->data;
+ u8 cable_rounded = TBT_CABLE_ROUNDED_SUPPORT(data->cable_mode);
u8 cable_speed = TBT_CABLE_SPEED(data->cable_mode);
struct altmode_req req = { };
@@ -295,6 +301,8 @@ pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state)
req.mode_data |= PMC_USB_ALTMODE_CABLE_SPD(cable_speed);
+ req.mode_data |= PMC_USB_ALTMODE_TBT_GEN(cable_rounded);
+
return pmc_usb_command(port, (void *)&req, sizeof(req));
}
@@ -330,6 +338,11 @@ pmc_usb_mux_usb4(struct pmc_usb_port *port, struct typec_mux_state *state)
fallthrough;
default:
req.mode_data |= PMC_USB_ALTMODE_ACTIVE_CABLE;
+
+ /* Configure data rate to rounded in the case of Active TBT3
+ * and USB4 cables.
+ */
+ req.mode_data |= PMC_USB_ALTMODE_TBT_GEN(1);
break;
}
diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c
index 700e38e..0df7394 100644
--- a/drivers/usb/typec/tcpm/fusb302.c
+++ b/drivers/usb/typec/tcpm/fusb302.c
@@ -343,12 +343,11 @@ static int fusb302_sw_reset(struct fusb302_chip *chip)
return ret;
}
-static int fusb302_enable_tx_auto_retries(struct fusb302_chip *chip)
+static int fusb302_enable_tx_auto_retries(struct fusb302_chip *chip, u8 retry_count)
{
int ret = 0;
- ret = fusb302_i2c_set_bits(chip, FUSB_REG_CONTROL3,
- FUSB_REG_CONTROL3_N_RETRIES_3 |
+ ret = fusb302_i2c_set_bits(chip, FUSB_REG_CONTROL3, retry_count |
FUSB_REG_CONTROL3_AUTO_RETRY);
return ret;
@@ -399,7 +398,7 @@ static int tcpm_init(struct tcpc_dev *dev)
ret = fusb302_sw_reset(chip);
if (ret < 0)
return ret;
- ret = fusb302_enable_tx_auto_retries(chip);
+ ret = fusb302_enable_tx_auto_retries(chip, FUSB_REG_CONTROL3_N_RETRIES_3);
if (ret < 0)
return ret;
ret = fusb302_init_interrupt(chip);
@@ -1019,7 +1018,7 @@ static const char * const transmit_type_name[] = {
};
static int tcpm_pd_transmit(struct tcpc_dev *dev, enum tcpm_transmit_type type,
- const struct pd_message *msg)
+ const struct pd_message *msg, unsigned int negotiated_rev)
{
struct fusb302_chip *chip = container_of(dev, struct fusb302_chip,
tcpc_dev);
@@ -1028,6 +1027,13 @@ static int tcpm_pd_transmit(struct tcpc_dev *dev, enum tcpm_transmit_type type,
mutex_lock(&chip->lock);
switch (type) {
case TCPC_TX_SOP:
+ /* nRetryCount 3 in P2.0 spec, whereas 2 in PD3.0 spec */
+ ret = fusb302_enable_tx_auto_retries(chip, negotiated_rev > PD_REV20 ?
+ FUSB_REG_CONTROL3_N_RETRIES_2 :
+ FUSB_REG_CONTROL3_N_RETRIES_3);
+ if (ret < 0)
+ fusb302_log(chip, "Cannot update retry count ret=%d", ret);
+
ret = fusb302_pd_send_message(chip, msg);
if (ret < 0)
fusb302_log(chip,
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index a06da18..05aa15a 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -15,10 +15,24 @@
#include <linux/usb/pd.h>
#include <linux/usb/tcpm.h>
#include <linux/usb/typec.h>
+#include <trace/hooks/typec.h>
#include "tcpci.h"
-#define PD_RETRY_COUNT 3
+#define PD_RETRY_COUNT_DEFAULT 3
+#define PD_RETRY_COUNT_3_0_OR_HIGHER 2
+#define AUTO_DISCHARGE_DEFAULT_THRESHOLD_MV 3500
+#define VSINKPD_MIN_IR_DROP_MV 750
+#define VSRC_NEW_MIN_PERCENT 95
+#define VSRC_VALID_MIN_MV 500
+#define VPPS_NEW_MIN_PERCENT 95
+#define VPPS_VALID_MIN_MV 100
+#define VSINKDISCONNECT_PD_MIN_PERCENT 90
+
+#define tcpc_presenting_rd(reg, cc) \
+ (!(TCPC_ROLE_CTRL_DRP & (reg)) && \
+ (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \
+ (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT)))
#define tcpc_presenting_cc1_rd(reg) \
(!(TCPC_ROLE_CTRL_DRP & (reg)) && \
@@ -115,6 +129,33 @@ static int tcpci_set_cc(struct tcpc_dev *tcpc, enum typec_cc_status cc)
return 0;
}
+static int tcpci_apply_rc(struct tcpc_dev *tcpc, enum typec_cc_status cc,
+ enum typec_cc_polarity polarity)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+ unsigned int reg;
+ int ret;
+
+ ret = regmap_read(tcpci->regmap, TCPC_ROLE_CTRL, ®);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * APPLY_RC state is when ROLE_CONTROL.CC1 != ROLE_CONTROL.CC2 and vbus autodischarge on
+ * disconnect is disabled. Bail out when ROLE_CONTROL.CC1 != ROLE_CONTROL.CC2.
+ */
+ if (((reg & (TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT)) >>
+ TCPC_ROLE_CTRL_CC2_SHIFT) !=
+ ((reg & (TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT)) >>
+ TCPC_ROLE_CTRL_CC1_SHIFT))
+ return 0;
+
+ return regmap_update_bits(tcpci->regmap, TCPC_ROLE_CTRL, polarity == TYPEC_POLARITY_CC1 ?
+ TCPC_ROLE_CTRL_CC2_MASK << TCPC_ROLE_CTRL_CC2_SHIFT :
+ TCPC_ROLE_CTRL_CC1_MASK << TCPC_ROLE_CTRL_CC1_SHIFT,
+ TCPC_ROLE_CTRL_CC_OPEN);
+}
+
static int tcpci_start_toggling(struct tcpc_dev *tcpc,
enum typec_port_type port_type,
enum typec_cc_status cc)
@@ -122,14 +163,17 @@ static int tcpci_start_toggling(struct tcpc_dev *tcpc,
int ret;
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
unsigned int reg = TCPC_ROLE_CTRL_DRP;
+ int override_toggling = 0;
if (port_type != TYPEC_PORT_DRP)
return -EOPNOTSUPP;
/* Handle vendor drp toggling */
if (tcpci->data->start_drp_toggling) {
+ trace_android_vh_typec_tcpci_override_toggling(tcpci, tcpci->data,
+ &override_toggling);
ret = tcpci->data->start_drp_toggling(tcpci, tcpci->data, cc);
- if (ret < 0)
+ if (ret < 0 || override_toggling)
return ret;
}
@@ -197,11 +241,11 @@ static int tcpci_get_cc(struct tcpc_dev *tcpc,
*cc1 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC1_SHIFT) &
TCPC_CC_STATUS_CC1_MASK,
reg & TCPC_CC_STATUS_TERM ||
- tcpc_presenting_cc1_rd(role_control));
+ tcpc_presenting_rd(role_control, CC1));
*cc2 = tcpci_to_typec_cc((reg >> TCPC_CC_STATUS_CC2_SHIFT) &
TCPC_CC_STATUS_CC2_MASK,
reg & TCPC_CC_STATUS_TERM ||
- tcpc_presenting_cc2_rd(role_control));
+ tcpc_presenting_rd(role_control, CC2));
return 0;
}
@@ -266,6 +310,14 @@ static int tcpci_set_polarity(struct tcpc_dev *tcpc,
TCPC_TCPC_CTRL_ORIENTATION : 0);
}
+static void tcpci_set_partner_usb_comm_capable(struct tcpc_dev *tcpc, bool capable)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+
+ if (tcpci->data->set_partner_usb_comm_capable)
+ tcpci->data->set_partner_usb_comm_capable(tcpci, tcpci->data, capable);
+}
+
static int tcpci_set_vconn(struct tcpc_dev *tcpc, bool enable)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -283,6 +335,60 @@ static int tcpci_set_vconn(struct tcpc_dev *tcpc, bool enable)
enable ? TCPC_POWER_CTRL_VCONN_ENABLE : 0);
}
+static int tcpci_enable_auto_vbus_discharge(struct tcpc_dev *dev, bool enable)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(dev);
+ int ret;
+
+ ret = regmap_update_bits(tcpci->regmap, TCPC_POWER_CTRL, TCPC_POWER_CTRL_AUTO_DISCHARGE,
+ enable ? TCPC_POWER_CTRL_AUTO_DISCHARGE : 0);
+ return ret;
+}
+
+static int tcpci_set_auto_vbus_discharge_threshold(struct tcpc_dev *dev, enum typec_pwr_opmode mode,
+ bool pps_active, u32 requested_vbus_voltage_mv)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(dev);
+ unsigned int pwr_ctrl, threshold = 0;
+ int ret;
+
+ /*
+ * Indicates that vbus is going to go away due PR_SWAP, hard reset etc.
+ * Do not discharge vbus here.
+ */
+ if (requested_vbus_voltage_mv == 0)
+ goto write_thresh;
+
+ ret = regmap_read(tcpci->regmap, TCPC_POWER_CTRL, &pwr_ctrl);
+ if (ret < 0)
+ return ret;
+
+ if (pwr_ctrl & TCPC_FAST_ROLE_SWAP_EN) {
+ /* To prevent disconnect when the source is fast role swap is capable. */
+ threshold = AUTO_DISCHARGE_DEFAULT_THRESHOLD_MV;
+ } else if (mode == TYPEC_PWR_MODE_PD) {
+ if (pps_active)
+ threshold = ((VPPS_NEW_MIN_PERCENT * requested_vbus_voltage_mv / 100) -
+ VSINKPD_MIN_IR_DROP_MV - VPPS_VALID_MIN_MV) *
+ VSINKDISCONNECT_PD_MIN_PERCENT / 100;
+ else
+ threshold = ((VSRC_NEW_MIN_PERCENT * requested_vbus_voltage_mv / 100) -
+ VSINKPD_MIN_IR_DROP_MV - VSRC_VALID_MIN_MV) *
+ VSINKDISCONNECT_PD_MIN_PERCENT / 100;
+ } else {
+ /* 3.5V for non-pd sink */
+ threshold = AUTO_DISCHARGE_DEFAULT_THRESHOLD_MV;
+ }
+
+ threshold = threshold / TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV;
+
+ if (threshold > TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX)
+ return -EINVAL;
+
+write_thresh:
+ return tcpci_write16(tcpci, TCPC_VBUS_SINK_DISCONNECT_THRESH, threshold);
+}
+
static int tcpci_enable_frs(struct tcpc_dev *dev, bool enable)
{
struct tcpci *tcpci = tcpc_to_tcpci(dev);
@@ -299,6 +405,14 @@ static int tcpci_enable_frs(struct tcpc_dev *dev, bool enable)
return ret;
}
+static void tcpci_frs_sourcing_vbus(struct tcpc_dev *dev)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(dev);
+
+ if (tcpci->data->frs_sourcing_vbus)
+ tcpci->data->frs_sourcing_vbus(tcpci, tcpci->data);
+}
+
static int tcpci_set_bist_data(struct tcpc_dev *tcpc, bool enable)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -345,7 +459,11 @@ static int tcpci_get_vbus(struct tcpc_dev *tcpc)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
unsigned int reg;
- int ret;
+ int ret, vbus, bypass = 0;
+
+ trace_android_rvh_typec_tcpci_get_vbus(tcpci, tcpci->data, &vbus, &bypass);
+ if (bypass)
+ return vbus;
ret = regmap_read(tcpci->regmap, TCPC_POWER_STATUS, ®);
if (ret < 0)
@@ -354,6 +472,28 @@ static int tcpci_get_vbus(struct tcpc_dev *tcpc)
return !!(reg & TCPC_POWER_STATUS_VBUS_PRES);
}
+static int tcpci_check_contaminant(struct tcpc_dev *tcpc)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+ int ret = 0;
+
+ trace_android_rvh_typec_tcpci_chk_contaminant(tcpci, tcpci->data, &ret);
+ return ret;
+}
+
+static bool tcpci_is_vbus_vsafe0v(struct tcpc_dev *tcpc)
+{
+ struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
+ unsigned int reg;
+ int ret;
+
+ ret = regmap_read(tcpci->regmap, TCPC_EXTENDED_STATUS, ®);
+ if (ret < 0)
+ return false;
+
+ return !!(reg & TCPC_EXTENDED_STATUS_VSAFE0V);
+}
+
static int tcpci_set_vbus(struct tcpc_dev *tcpc, bool source, bool sink)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
@@ -399,9 +539,8 @@ static int tcpci_set_vbus(struct tcpc_dev *tcpc, bool source, bool sink)
return 0;
}
-static int tcpci_pd_transmit(struct tcpc_dev *tcpc,
- enum tcpm_transmit_type type,
- const struct pd_message *msg)
+static int tcpci_pd_transmit(struct tcpc_dev *tcpc, enum tcpm_transmit_type type,
+ const struct pd_message *msg, unsigned int negotiated_rev)
{
struct tcpci *tcpci = tcpc_to_tcpci(tcpc);
u16 header = msg ? le16_to_cpu(msg->header) : 0;
@@ -449,7 +588,9 @@ static int tcpci_pd_transmit(struct tcpc_dev *tcpc,
}
}
- reg = (PD_RETRY_COUNT << TCPC_TRANSMIT_RETRY_SHIFT) | (type << TCPC_TRANSMIT_TYPE_SHIFT);
+ /* nRetryCount is 3 in PD2.0 spec where 2 in PD3.0 spec */
+ reg = ((negotiated_rev > PD_REV20 ? PD_RETRY_COUNT_3_0_OR_HIGHER : PD_RETRY_COUNT_DEFAULT)
+ << TCPC_TRANSMIT_RETRY_SHIFT) | (type << TCPC_TRANSMIT_TYPE_SHIFT);
ret = regmap_write(tcpci->regmap, TCPC_TRANSMIT, reg);
if (ret < 0)
return ret;
@@ -506,12 +647,22 @@ static int tcpci_init(struct tcpc_dev *tcpc)
TCPC_ALERT_RX_HARD_RST | TCPC_ALERT_CC_STATUS;
if (tcpci->controls_vbus)
reg |= TCPC_ALERT_POWER_STATUS;
+ /* Enable VSAFE0V status interrupt when detecting VSAFE0V is supported */
+ if (tcpci->data->vbus_vsafe0v) {
+ reg |= TCPC_ALERT_EXTENDED_STATUS;
+ ret = regmap_write(tcpci->regmap, TCPC_EXTENDED_STATUS_MASK,
+ TCPC_EXTENDED_STATUS_VSAFE0V);
+ if (ret < 0)
+ return ret;
+ }
return tcpci_write16(tcpci, TCPC_ALERT_MASK, reg);
}
irqreturn_t tcpci_irq(struct tcpci *tcpci)
{
u16 status;
+ int ret;
+ unsigned int raw;
tcpci_read16(tcpci, TCPC_ALERT, &status);
@@ -527,15 +678,12 @@ irqreturn_t tcpci_irq(struct tcpci *tcpci)
tcpm_cc_change(tcpci->port);
if (status & TCPC_ALERT_POWER_STATUS) {
- unsigned int reg;
-
- regmap_read(tcpci->regmap, TCPC_POWER_STATUS_MASK, ®);
-
+ regmap_read(tcpci->regmap, TCPC_POWER_STATUS_MASK, &raw);
/*
* If power status mask has been reset, then the TCPC
* has reset.
*/
- if (reg == 0xff)
+ if (raw == 0xff)
tcpm_tcpc_reset(tcpci->port);
else
tcpm_vbus_change(tcpci->port);
@@ -574,6 +722,12 @@ irqreturn_t tcpci_irq(struct tcpci *tcpci)
tcpm_pd_receive(tcpci->port, &msg);
}
+ if (status & TCPC_ALERT_EXTENDED_STATUS) {
+ ret = regmap_read(tcpci->regmap, TCPC_EXTENDED_STATUS, &raw);
+ if (!ret && (raw & TCPC_EXTENDED_STATUS_VSAFE0V))
+ tcpm_vbus_change(tcpci->port);
+ }
+
if (status & TCPC_ALERT_RX_HARD_RST)
tcpm_pd_hard_reset(tcpci->port);
@@ -633,6 +787,7 @@ struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data)
tcpci->tcpc.get_vbus = tcpci_get_vbus;
tcpci->tcpc.set_vbus = tcpci_set_vbus;
tcpci->tcpc.set_cc = tcpci_set_cc;
+ tcpci->tcpc.apply_rc = tcpci_apply_rc;
tcpci->tcpc.get_cc = tcpci_get_cc;
tcpci->tcpc.set_polarity = tcpci_set_polarity;
tcpci->tcpc.set_vconn = tcpci_set_vconn;
@@ -643,6 +798,20 @@ struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data)
tcpci->tcpc.pd_transmit = tcpci_pd_transmit;
tcpci->tcpc.set_bist_data = tcpci_set_bist_data;
tcpci->tcpc.enable_frs = tcpci_enable_frs;
+ tcpci->tcpc.frs_sourcing_vbus = tcpci_frs_sourcing_vbus;
+ tcpci->tcpc.set_partner_usb_comm_capable = tcpci_set_partner_usb_comm_capable;
+ tcpci->tcpc.check_contaminant = tcpci_check_contaminant;
+
+ if (tcpci->data->auto_discharge_disconnect) {
+ tcpci->tcpc.enable_auto_vbus_discharge = tcpci_enable_auto_vbus_discharge;
+ tcpci->tcpc.set_auto_vbus_discharge_threshold =
+ tcpci_set_auto_vbus_discharge_threshold;
+ regmap_update_bits(tcpci->regmap, TCPC_POWER_CTRL, TCPC_POWER_CTRL_BLEED_DISCHARGE,
+ TCPC_POWER_CTRL_BLEED_DISCHARGE);
+ }
+
+ if (tcpci->data->vbus_vsafe0v)
+ tcpci->tcpc.is_vbus_vsafe0v = tcpci_is_vbus_vsafe0v;
err = tcpci_parse_config(tcpci);
if (err < 0)
diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h
index 5ef07a5..2be7a77 100644
--- a/drivers/usb/typec/tcpm/tcpci.h
+++ b/drivers/usb/typec/tcpm/tcpci.h
@@ -8,6 +8,8 @@
#ifndef __LINUX_USB_TCPCI_H
#define __LINUX_USB_TCPCI_H
+#include <linux/usb/typec.h>
+
#define TCPC_VENDOR_ID 0x0
#define TCPC_PRODUCT_ID 0x2
#define TCPC_BCD_DEV 0x4
@@ -45,7 +47,13 @@
#define TCPC_TCPC_CTRL 0x19
#define TCPC_TCPC_CTRL_ORIENTATION BIT(0)
+#define PLUG_ORNT_CC1 0
+#define PLUG_ORNT_CC2 1
#define TCPC_TCPC_CTRL_BIST_TM BIT(1)
+#define TCPC_TCPC_CTRL_EN_LK4CONN_ALRT BIT(6)
+
+#define TCPC_EXTENDED_STATUS 0x20
+#define TCPC_EXTENDED_STATUS_VSAFE0V BIT(0)
#define TCPC_ROLE_CTRL 0x1a
#define TCPC_ROLE_CTRL_DRP BIT(6)
@@ -67,21 +75,30 @@
#define TCPC_POWER_CTRL 0x1c
#define TCPC_POWER_CTRL_VCONN_ENABLE BIT(0)
+#define TCPC_POWER_CTRL_BLEED_DISCHARGE BIT(3)
+#define TCPC_POWER_CTRL_AUTO_DISCHARGE BIT(4)
+#define TCPC_DIS_VOLT_ALRM BIT(5)
+#define TCPC_POWER_CTRL_VBUS_VOLT_MON BIT(6)
#define TCPC_FAST_ROLE_SWAP_EN BIT(7)
#define TCPC_CC_STATUS 0x1d
#define TCPC_CC_STATUS_TOGGLING BIT(5)
#define TCPC_CC_STATUS_TERM BIT(4)
+#define TCPC_CC_STATUS_TERM_RP 0
+#define TCPC_CC_STATUS_TERM_RD 1
+#define TCPC_CC_STATE_SRC_OPEN 0
#define TCPC_CC_STATUS_CC2_SHIFT 2
#define TCPC_CC_STATUS_CC2_MASK 0x3
#define TCPC_CC_STATUS_CC1_SHIFT 0
#define TCPC_CC_STATUS_CC1_MASK 0x3
#define TCPC_POWER_STATUS 0x1e
+#define TCPC_POWER_STATUS_DBG_ACC_CON BIT(7)
#define TCPC_POWER_STATUS_UNINIT BIT(6)
#define TCPC_POWER_STATUS_SOURCING_VBUS BIT(4)
#define TCPC_POWER_STATUS_VBUS_DET BIT(3)
#define TCPC_POWER_STATUS_VBUS_PRES BIT(2)
+#define TCPC_POWER_STATUS_SINKING_VBUS BIT(0)
#define TCPC_FAULT_STATUS 0x1f
@@ -114,6 +131,10 @@
#define TCPC_RX_DETECT 0x2f
#define TCPC_RX_DETECT_HARD_RESET BIT(5)
#define TCPC_RX_DETECT_SOP BIT(0)
+#define TCPC_RX_DETECT_SOP1 BIT(1)
+#define TCPC_RX_DETECT_SOP2 BIT(2)
+#define TCPC_RX_DETECT_DBG1 BIT(3)
+#define TCPC_RX_DETECT_DBG2 BIT(4)
#define TCPC_RX_BYTE_CNT 0x30
#define TCPC_RX_BUF_FRAME_TYPE 0x31
@@ -132,7 +153,11 @@
#define TCPC_TX_DATA 0x54 /* through 0x6f */
#define TCPC_VBUS_VOLTAGE 0x70
+#define TCPC_VBUS_VOLTAGE_MASK 0x3ff
+#define TCPC_VBUS_VOLTAGE_LSB_MV 25
#define TCPC_VBUS_SINK_DISCONNECT_THRESH 0x72
+#define TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV 25
+#define TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX 0x3ff
#define TCPC_VBUS_STOP_DISCHARGE_THRESH 0x74
#define TCPC_VBUS_VOLTAGE_ALARM_HI_CFG 0x76
#define TCPC_VBUS_VOLTAGE_ALARM_LO_CFG 0x78
@@ -140,20 +165,38 @@
/* I2C_WRITE_BYTE_COUNT + 1 when TX_BUF_BYTE_x is only accessible I2C_WRITE_BYTE_COUNT */
#define TCPC_TRANSMIT_BUFFER_MAX_LEN 31
-/*
- * @TX_BUF_BYTE_x_hidden
- * optional; Set when TX_BUF_BYTE_x can only be accessed through I2C_WRITE_BYTE_COUNT.
- */
struct tcpci;
+
+/*
+ * @TX_BUF_BYTE_x_hidden:
+ * optional; Set when TX_BUF_BYTE_x can only be accessed through I2C_WRITE_BYTE_COUNT.
+ * @frs_sourcing_vbus:
+ * Optional; Callback to perform chip specific operations when FRS
+ * is sourcing vbus.
+ * @auto_discharge_disconnect:
+ * Optional; Enables TCPC to autonously discharge vbus on disconnect.
+ * @vbus_vsafe0v:
+ * optional; Set when TCPC can detect whether vbus is at VSAFE0V.
+ * @set_partner_usb_comm_capable:
+ * Optional; The USB Communications Capable bit indicates if port
+ * partner is capable of communication over the USB data lines
+ * (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit.
+ */
struct tcpci_data {
struct regmap *regmap;
unsigned char TX_BUF_BYTE_x_hidden:1;
+ unsigned char auto_discharge_disconnect:1;
+ unsigned char vbus_vsafe0v:1;
+
int (*init)(struct tcpci *tcpci, struct tcpci_data *data);
int (*set_vconn)(struct tcpci *tcpci, struct tcpci_data *data,
bool enable);
int (*start_drp_toggling)(struct tcpci *tcpci, struct tcpci_data *data,
enum typec_cc_status cc);
int (*set_vbus)(struct tcpci *tcpci, struct tcpci_data *data, bool source, bool sink);
+ void (*frs_sourcing_vbus)(struct tcpci *tcpci, struct tcpci_data *data);
+ void (*set_partner_usb_comm_capable)(struct tcpci *tcpci, struct tcpci_data *data,
+ bool capable);
};
struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data);
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c
index 723d7dd..7b39cbd 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim.c
@@ -22,6 +22,9 @@
#define PD_ACTIVITY_TIMEOUT_MS 10000
#define TCPC_VENDOR_ALERT 0x80
+#define TCPC_VENDOR_USBSW_CTRL 0x93
+#define TCPC_VENDOR_USBSW_CTRL_ENABLE_USB_DATA 0x9
+#define TCPC_VENDOR_USBSW_CTRL_DISABLE_USB_DATA 0
#define TCPC_RECEIVE_BUFFER_COUNT_OFFSET 0
#define TCPC_RECEIVE_BUFFER_FRAME_TYPE_OFFSET 1
@@ -112,11 +115,18 @@ static void max_tcpci_init_regs(struct max_tcpci_chip *chip)
return;
}
+ /* Enable VSAFE0V detection */
+ ret = max_tcpci_write8(chip, TCPC_EXTENDED_STATUS_MASK, TCPC_EXTENDED_STATUS_VSAFE0V);
+ if (ret < 0) {
+ dev_err(chip->dev, "Unable to unmask TCPC_EXTENDED_STATUS_VSAFE0V ret:%d\n", ret);
+ return;
+ }
+
alert_mask = TCPC_ALERT_TX_SUCCESS | TCPC_ALERT_TX_DISCARDED | TCPC_ALERT_TX_FAILED |
TCPC_ALERT_RX_HARD_RST | TCPC_ALERT_RX_STATUS | TCPC_ALERT_CC_STATUS |
TCPC_ALERT_VBUS_DISCNCT | TCPC_ALERT_RX_BUF_OVF | TCPC_ALERT_POWER_STATUS |
/* Enable Extended alert for detecting Fast Role Swap Signal */
- TCPC_ALERT_EXTND;
+ TCPC_ALERT_EXTND | TCPC_ALERT_EXTENDED_STATUS;
ret = max_tcpci_write16(chip, TCPC_ALERT_MASK, alert_mask);
if (ret < 0) {
@@ -238,23 +248,22 @@ static void process_power_status(struct max_tcpci_chip *chip)
if (ret < 0)
return;
- if (pwr_status == 0xff) {
+ if (pwr_status == 0xff)
max_tcpci_init_regs(chip);
- } else if (pwr_status & TCPC_POWER_STATUS_SOURCING_VBUS) {
+ else if (pwr_status & TCPC_POWER_STATUS_SOURCING_VBUS)
tcpm_sourcing_vbus(chip->port);
- /*
- * Alawys re-enable boost here.
- * In normal case, when say an headset is attached, TCPM would
- * have instructed to TCPC to enable boost, so the call is a
- * no-op.
- * But for Fast Role Swap case, Boost turns on autonomously without
- * AP intervention, but, needs AP to enable source mode explicitly
- * for AP to regain control.
- */
- max_tcpci_set_vbus(chip->tcpci, &chip->data, true, false);
- } else {
+ else
tcpm_vbus_change(chip->port);
- }
+}
+
+static void max_tcpci_frs_sourcing_vbus(struct tcpci *tcpci, struct tcpci_data *tdata)
+{
+ /*
+ * For Fast Role Swap case, Boost turns on autonomously without
+ * AP intervention, but, needs AP to enable source mode explicitly
+ * for AP to regain control.
+ */
+ max_tcpci_set_vbus(tcpci, tdata, true, false);
}
static void process_tx(struct max_tcpci_chip *chip, u16 status)
@@ -271,6 +280,21 @@ static void process_tx(struct max_tcpci_chip *chip, u16 status)
max_tcpci_init_regs(chip);
}
+/* Enable USB switches when partner is USB communications capable */
+static void max_tcpci_set_partner_usb_comm_capable(struct tcpci *tcpci, struct tcpci_data *data,
+ bool capable)
+{
+ struct max_tcpci_chip *chip = tdata_to_max_tcpci(data);
+ int ret;
+
+ ret = max_tcpci_write8(chip, TCPC_VENDOR_USBSW_CTRL, capable ?
+ TCPC_VENDOR_USBSW_CTRL_ENABLE_USB_DATA :
+ TCPC_VENDOR_USBSW_CTRL_DISABLE_USB_DATA);
+
+ if (ret < 0)
+ dev_err(chip->dev, "Failed to enable USB switches");
+}
+
static irqreturn_t _max_tcpci_irq(struct max_tcpci_chip *chip, u16 status)
{
u16 mask;
@@ -316,6 +340,12 @@ static irqreturn_t _max_tcpci_irq(struct max_tcpci_chip *chip, u16 status)
}
}
+ if (status & TCPC_ALERT_EXTENDED_STATUS) {
+ ret = max_tcpci_read8(chip, TCPC_EXTENDED_STATUS, (u8 *)®_status);
+ if (ret >= 0 && (reg_status & TCPC_EXTENDED_STATUS_VSAFE0V))
+ tcpm_vbus_change(chip->port);
+ }
+
if (status & TCPC_ALERT_RX_STATUS)
process_rx(chip, status);
@@ -344,7 +374,7 @@ static irqreturn_t max_tcpci_irq(int irq, void *dev_id)
{
struct max_tcpci_chip *chip = dev_id;
u16 status;
- irqreturn_t irq_return;
+ irqreturn_t irq_return = IRQ_HANDLED;
int ret;
if (!chip->port)
@@ -441,10 +471,14 @@ static int max_tcpci_probe(struct i2c_client *client, const struct i2c_device_id
chip->data.start_drp_toggling = max_tcpci_start_toggling;
chip->data.TX_BUF_BYTE_x_hidden = true;
chip->data.init = tcpci_init;
+ chip->data.frs_sourcing_vbus = max_tcpci_frs_sourcing_vbus;
+ chip->data.auto_discharge_disconnect = true;
+ chip->data.vbus_vsafe0v = true;
+ chip->data.set_partner_usb_comm_capable = max_tcpci_set_partner_usb_comm_capable;
max_tcpci_init_regs(chip);
chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
- if (IS_ERR_OR_NULL(chip->tcpci)) {
+ if (IS_ERR(chip->tcpci)) {
dev_err(&client->dev, "TCPCI port registration failed");
ret = PTR_ERR(chip->tcpci);
return PTR_ERR(chip->tcpci);
@@ -481,7 +515,7 @@ MODULE_DEVICE_TABLE(i2c, max_tcpci_id);
#ifdef CONFIG_OF
static const struct of_device_id max_tcpci_of_match[] = {
- { .compatible = "maxim,tcpc", },
+ { .compatible = "maxim,max33359", },
{},
};
MODULE_DEVICE_TABLE(of, max_tcpci_of_match);
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 721d9c4..4a508d2 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -31,6 +31,7 @@
#include <linux/usb/tcpm.h>
#include <linux/usb/typec_altmode.h>
+#include <trace/hooks/typec.h>
#include <uapi/linux/sched/types.h>
#define FOREACH_STATE(S) \
@@ -76,6 +77,8 @@
S(SNK_HARD_RESET_SINK_ON), \
\
S(SOFT_RESET), \
+ S(SRC_SOFT_RESET_WAIT_SNK_TX), \
+ S(SNK_SOFT_RESET), \
S(SOFT_RESET_SEND), \
\
S(DR_SWAP_ACCEPT), \
@@ -139,7 +142,46 @@
\
S(ERROR_RECOVERY), \
S(PORT_RESET), \
- S(PORT_RESET_WAIT_OFF)
+ S(PORT_RESET_WAIT_OFF), \
+ \
+ S(AMS_START), \
+ S(CHUNK_NOT_SUPP)
+
+#define FOREACH_AMS(S) \
+ S(NONE_AMS), \
+ S(POWER_NEGOTIATION), \
+ S(GOTOMIN), \
+ S(SOFT_RESET_AMS), \
+ S(HARD_RESET), \
+ S(CABLE_RESET), \
+ S(GET_SOURCE_CAPABILITIES), \
+ S(GET_SINK_CAPABILITIES), \
+ S(POWER_ROLE_SWAP), \
+ S(FAST_ROLE_SWAP), \
+ S(DATA_ROLE_SWAP), \
+ S(VCONN_SWAP), \
+ S(SOURCE_ALERT), \
+ S(GETTING_SOURCE_EXTENDED_CAPABILITIES),\
+ S(GETTING_SOURCE_SINK_STATUS), \
+ S(GETTING_BATTERY_CAPABILITIES), \
+ S(GETTING_BATTERY_STATUS), \
+ S(GETTING_MANUFACTURER_INFORMATION), \
+ S(SECURITY), \
+ S(FIRMWARE_UPDATE), \
+ S(DISCOVER_IDENTITY), \
+ S(SOURCE_STARTUP_CABLE_PLUG_DISCOVER_IDENTITY), \
+ S(DISCOVER_SVIDS), \
+ S(DISCOVER_MODES), \
+ S(DFP_TO_UFP_ENTER_MODE), \
+ S(DFP_TO_UFP_EXIT_MODE), \
+ S(DFP_TO_CABLE_PLUG_ENTER_MODE), \
+ S(DFP_TO_CABLE_PLUG_EXIT_MODE), \
+ S(ATTENTION), \
+ S(BIST), \
+ S(UNSTRUCTURED_VDMS), \
+ S(STRUCTURED_VDMS), \
+ S(COUNTRY_INFO), \
+ S(COUNTRY_CODES)
#define GENERATE_ENUM(e) e
#define GENERATE_STRING(s) #s
@@ -152,6 +194,14 @@ static const char * const tcpm_states[] = {
FOREACH_STATE(GENERATE_STRING)
};
+enum tcpm_ams {
+ FOREACH_AMS(GENERATE_ENUM)
+};
+
+static const char * const tcpm_ams_str[] = {
+ FOREACH_AMS(GENERATE_STRING)
+};
+
enum vdm_states {
VDM_STATE_ERR_BUSY = -3,
VDM_STATE_ERR_SEND = -2,
@@ -161,6 +211,7 @@ enum vdm_states {
VDM_STATE_READY = 1,
VDM_STATE_BUSY = 2,
VDM_STATE_WAIT_RSP_BUSY = 3,
+ VDM_STATE_SEND_MESSAGE = 4,
};
enum pd_msg_request {
@@ -209,6 +260,7 @@ enum frs_typec_current {
#define ALTMODE_DISCOVERY_MAX (SVID_DISCOVERY_MAX * MODE_DISCOVERY_MAX)
#define GET_SINK_CAP_RETRY_MS 100
+#define SEND_DISCOVER_RETRY_MS 100
struct pd_mode_data {
int svid_index; /* current SVID index */
@@ -273,11 +325,24 @@ struct tcpm_port {
bool attached;
bool connected;
enum typec_port_type port_type;
+
+ /*
+ * Set to true when vbus is greater than VSAFE5V min.
+ * Set to false when vbus falls below vSinkDisconnect max threshold.
+ */
bool vbus_present;
+
+ /*
+ * Set to true when vbus is less than VSAFE0V max.
+ * Set to false when vbus is greater than VSAFE0V max.
+ */
+ bool vbus_vsafe0v;
+
bool vbus_never_low;
bool vbus_source;
bool vbus_charge;
+ /* Set to true when Discover_Identity Command is expected to be sent in Ready states. */
bool send_discover;
bool op_vsafe5v;
@@ -304,7 +369,11 @@ struct tcpm_port {
struct kthread_work vdm_state_machine;
struct hrtimer enable_frs_timer;
struct kthread_work enable_frs;
+ struct hrtimer send_discover_timer;
+ struct kthread_work send_discover_work;
bool state_machine_running;
+ /* Set to true when VDM State Machine has following actions. */
+ bool vdm_sm_running;
struct completion tx_complete;
enum tcpm_transmit_status tx_status;
@@ -335,6 +404,8 @@ struct tcpm_port {
unsigned int nr_src_pdo;
u32 snk_pdo[PDO_MAX_OBJECTS];
unsigned int nr_snk_pdo;
+ u32 snk_vdo_v1[VDO_MAX_OBJECTS];
+ unsigned int nr_snk_vdo_v1;
u32 snk_vdo[VDO_MAX_OBJECTS];
unsigned int nr_snk_vdo;
@@ -381,12 +452,30 @@ struct tcpm_port {
/* port belongs to a self powered device */
bool self_powered;
- /* FRS */
- enum frs_typec_current frs_current;
+ /* Sink FRS */
+ enum frs_typec_current new_source_frs_current;
/* Sink caps have been queried */
bool sink_cap_done;
+ /* Port is still in tCCDebounce */
+ bool debouncing;
+
+ /* Collision Avoidance and Atomic Message Sequence */
+ enum tcpm_state upcoming_state;
+ enum tcpm_ams ams;
+ enum tcpm_ams next_ams;
+ bool in_ams;
+
+ /* Auto vbus discharge status */
+ bool auto_vbus_discharge_enabled;
+
+ /*
+ * When set, port requests PD_P_SNK_STDBY_MW upon entering SNK_DISCOVERY and
+ * the actual currrent limit after RX of PD_CTRL_PSRDY for PD link,
+ * SNK_READY for non-pd link.
+ */
+ bool slow_charger_loop;
#ifdef CONFIG_DEBUG_FS
struct dentry *dentry;
struct mutex logbuffer_lock; /* log buffer access lock */
@@ -402,6 +491,12 @@ struct pd_rx_event {
struct pd_message msg;
};
+static const char * const pd_rev[] = {
+ [PD_REV10] = "rev1",
+ [PD_REV20] = "rev2",
+ [PD_REV30] = "rev3",
+};
+
#define tcpm_cc_is_sink(cc) \
((cc) == TYPEC_CC_RP_DEF || (cc) == TYPEC_CC_RP_1_5 || \
(cc) == TYPEC_CC_RP_3_0)
@@ -446,6 +541,13 @@ struct pd_rx_event {
((port)->typec_caps.data == TYPEC_PORT_DFP ? \
TYPEC_HOST : TYPEC_DEVICE)
+#define tcpm_sink_tx_ok(port) \
+ (tcpm_port_is_sink(port) && \
+ ((port)->cc1 == TYPEC_CC_RP_3_0 || (port)->cc2 == TYPEC_CC_RP_3_0))
+
+#define tcpm_wait_for_discharge(port) \
+ (((port)->auto_vbus_discharge_enabled && !(port)->vbus_vsafe0v) ? PD_T_SAFE_0V : 0)
+
static enum tcpm_state tcpm_default_state(struct tcpm_port *port)
{
if (port->port_type == TYPEC_PORT_DRP) {
@@ -488,6 +590,7 @@ static void _tcpm_log(struct tcpm_port *port, const char *fmt, va_list args)
char tmpbuffer[LOG_BUFFER_ENTRY_SIZE];
u64 ts_nsec = local_clock();
unsigned long rem_nsec;
+ bool bypass_log = false;
mutex_lock(&port->logbuffer_lock);
if (!port->logbuffer[port->logbuffer_head]) {
@@ -500,6 +603,9 @@ static void _tcpm_log(struct tcpm_port *port, const char *fmt, va_list args)
}
vsnprintf(tmpbuffer, sizeof(tmpbuffer), fmt, args);
+ trace_android_vh_typec_tcpm_log(tmpbuffer, &bypass_log);
+ if (bypass_log)
+ goto abort;
if (tcpm_log_full(port)) {
port->logbuffer_head = max(port->logbuffer_head - 1, 0);
@@ -672,6 +778,91 @@ static void tcpm_debugfs_exit(const struct tcpm_port *port) { }
#endif
+static void tcpm_set_cc(struct tcpm_port *port, enum typec_cc_status cc)
+{
+ tcpm_log(port, "cc:=%d", cc);
+ port->cc_req = cc;
+ port->tcpc->set_cc(port->tcpc, cc);
+}
+
+static int tcpm_enable_auto_vbus_discharge(struct tcpm_port *port, bool enable)
+{
+ int ret = 0;
+
+ if (port->tcpc->enable_auto_vbus_discharge) {
+ ret = port->tcpc->enable_auto_vbus_discharge(port->tcpc, enable);
+ tcpm_log_force(port, "%s vbus discharge ret:%d", enable ? "enable" : "disable",
+ ret);
+ if (!ret)
+ port->auto_vbus_discharge_enabled = enable;
+ }
+
+ return ret;
+}
+
+static void tcpm_apply_rc(struct tcpm_port *port)
+{
+ /*
+ * TCPCI: Move to APPLY_RC state to prevent disconnect during PR_SWAP
+ * when Vbus auto discharge on disconnect is enabled.
+ */
+ if (port->tcpc->enable_auto_vbus_discharge && port->tcpc->apply_rc) {
+ tcpm_log(port, "Apply_RC");
+ port->tcpc->apply_rc(port->tcpc, port->cc_req, port->polarity);
+ tcpm_enable_auto_vbus_discharge(port, false);
+ }
+}
+
+/*
+ * Determine RP value to set based on maximum current supported
+ * by a port if configured as source.
+ * Returns CC value to report to link partner.
+ */
+static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port)
+{
+ const u32 *src_pdo = port->src_pdo;
+ int nr_pdo = port->nr_src_pdo;
+ int i;
+
+ /*
+ * Search for first entry with matching voltage.
+ * It should report the maximum supported current.
+ */
+ for (i = 0; i < nr_pdo; i++) {
+ const u32 pdo = src_pdo[i];
+
+ if (pdo_type(pdo) == PDO_TYPE_FIXED &&
+ pdo_fixed_voltage(pdo) == 5000) {
+ unsigned int curr = pdo_max_current(pdo);
+
+ if (curr >= 3000)
+ return TYPEC_CC_RP_3_0;
+ else if (curr >= 1500)
+ return TYPEC_CC_RP_1_5;
+ return TYPEC_CC_RP_DEF;
+ }
+ }
+
+ return TYPEC_CC_RP_DEF;
+}
+
+static void tcpm_ams_finish(struct tcpm_port *port)
+{
+ tcpm_log(port, "AMS %s finished", tcpm_ams_str[port->ams]);
+
+ if (port->pd_capable && port->pwr_role == TYPEC_SOURCE) {
+ if (port->negotiated_rev >= PD_REV30)
+ tcpm_set_cc(port, SINK_TX_OK);
+ else
+ tcpm_set_cc(port, SINK_TX_NG);
+ } else if (port->pwr_role == TYPEC_SOURCE) {
+ tcpm_set_cc(port, tcpm_rp_cc(port));
+ }
+
+ port->in_ams = false;
+ port->ams = NONE_AMS;
+}
+
static int tcpm_pd_transmit(struct tcpm_port *port,
enum tcpm_transmit_type type,
const struct pd_message *msg)
@@ -685,7 +876,7 @@ static int tcpm_pd_transmit(struct tcpm_port *port,
tcpm_log(port, "PD TX, type: %#x", type);
reinit_completion(&port->tx_complete);
- ret = port->tcpc->pd_transmit(port->tcpc, type, msg);
+ ret = port->tcpc->pd_transmit(port->tcpc, type, msg, port->negotiated_rev);
if (ret < 0)
return ret;
@@ -699,13 +890,30 @@ static int tcpm_pd_transmit(struct tcpm_port *port,
switch (port->tx_status) {
case TCPC_TX_SUCCESS:
port->message_id = (port->message_id + 1) & PD_HEADER_ID_MASK;
- return 0;
+ /*
+ * USB PD rev 2.0, 8.3.2.2.1:
+ * USB PD rev 3.0, 8.3.2.1.3:
+ * "... Note that every AMS is Interruptible until the first
+ * Message in the sequence has been successfully sent (GoodCRC
+ * Message received)."
+ */
+ if (port->ams != NONE_AMS)
+ port->in_ams = true;
+ break;
case TCPC_TX_DISCARDED:
- return -EAGAIN;
+ ret = -EAGAIN;
+ break;
case TCPC_TX_FAILED:
default:
- return -EIO;
+ ret = -EIO;
+ break;
}
+
+ /* Some AMS don't expect responses. Finish them here. */
+ if (port->ams == ATTENTION || port->ams == SOURCE_ALERT)
+ tcpm_ams_finish(port);
+
+ return ret;
}
void tcpm_pd_transmit_complete(struct tcpm_port *port,
@@ -770,6 +978,21 @@ static int tcpm_set_vconn(struct tcpm_port *port, bool enable)
return ret;
}
+bool tcpm_is_debouncing(struct tcpm_port *port)
+{
+ bool debounce;
+
+ if (!port)
+ return false;
+
+ mutex_lock(&port->lock);
+ debounce = port->debouncing;
+ mutex_unlock(&port->lock);
+
+ return debounce;
+}
+EXPORT_SYMBOL_GPL(tcpm_is_debouncing);
+
static u32 tcpm_get_current_limit(struct tcpm_port *port)
{
enum typec_cc_status cc;
@@ -811,39 +1034,6 @@ static int tcpm_set_current_limit(struct tcpm_port *port, u32 max_ma, u32 mv)
return ret;
}
-/*
- * Determine RP value to set based on maximum current supported
- * by a port if configured as source.
- * Returns CC value to report to link partner.
- */
-static enum typec_cc_status tcpm_rp_cc(struct tcpm_port *port)
-{
- const u32 *src_pdo = port->src_pdo;
- int nr_pdo = port->nr_src_pdo;
- int i;
-
- /*
- * Search for first entry with matching voltage.
- * It should report the maximum supported current.
- */
- for (i = 0; i < nr_pdo; i++) {
- const u32 pdo = src_pdo[i];
-
- if (pdo_type(pdo) == PDO_TYPE_FIXED &&
- pdo_fixed_voltage(pdo) == 5000) {
- unsigned int curr = pdo_max_current(pdo);
-
- if (curr >= 3000)
- return TYPEC_CC_RP_3_0;
- else if (curr >= 1500)
- return TYPEC_CC_RP_1_5;
- return TYPEC_CC_RP_DEF;
- }
- }
-
- return TYPEC_CC_RP_DEF;
-}
-
static int tcpm_set_attached_state(struct tcpm_port *port, bool attached)
{
return port->tcpc->set_roles(port->tcpc, attached, port->pwr_role,
@@ -918,13 +1108,47 @@ static int tcpm_set_pwr_role(struct tcpm_port *port, enum typec_role role)
return 0;
}
+/*
+ * Transform the PDO to be compliant to PD rev2.0.
+ * Return 0 if the PDO type is not defined in PD rev2.0.
+ * Otherwise, return the converted PDO.
+ */
+static u32 tcpm_forge_legacy_pdo(struct tcpm_port *port, u32 pdo, enum typec_role role)
+{
+ switch (pdo_type(pdo)) {
+ case PDO_TYPE_FIXED:
+ if (role == TYPEC_SINK)
+ return pdo & ~PDO_FIXED_FRS_CURR_MASK;
+ else
+ return pdo & ~PDO_FIXED_UNCHUNK_EXT;
+ case PDO_TYPE_VAR:
+ case PDO_TYPE_BATT:
+ return pdo;
+ case PDO_TYPE_APDO:
+ default:
+ return 0;
+ }
+}
+
static int tcpm_pd_send_source_caps(struct tcpm_port *port)
{
struct pd_message msg;
- int i;
+ u32 pdo;
+ unsigned int i, nr_pdo = 0;
memset(&msg, 0, sizeof(msg));
- if (!port->nr_src_pdo) {
+
+ for (i = 0; i < port->nr_src_pdo; i++) {
+ if (port->negotiated_rev >= PD_REV30) {
+ msg.payload[nr_pdo++] = cpu_to_le32(port->src_pdo[i]);
+ } else {
+ pdo = tcpm_forge_legacy_pdo(port, port->src_pdo[i], TYPEC_SOURCE);
+ if (pdo)
+ msg.payload[nr_pdo++] = cpu_to_le32(pdo);
+ }
+ }
+
+ if (!nr_pdo) {
/* No source capabilities defined, sink only */
msg.header = PD_HEADER_LE(PD_CTRL_REJECT,
port->pwr_role,
@@ -937,10 +1161,8 @@ static int tcpm_pd_send_source_caps(struct tcpm_port *port)
port->data_role,
port->negotiated_rev,
port->message_id,
- port->nr_src_pdo);
+ nr_pdo);
}
- for (i = 0; i < port->nr_src_pdo; i++)
- msg.payload[i] = cpu_to_le32(port->src_pdo[i]);
return tcpm_pd_transmit(port, TCPC_TX_SOP, &msg);
}
@@ -948,10 +1170,22 @@ static int tcpm_pd_send_source_caps(struct tcpm_port *port)
static int tcpm_pd_send_sink_caps(struct tcpm_port *port)
{
struct pd_message msg;
- int i;
+ u32 pdo;
+ unsigned int i, nr_pdo = 0;
memset(&msg, 0, sizeof(msg));
- if (!port->nr_snk_pdo) {
+
+ for (i = 0; i < port->nr_snk_pdo; i++) {
+ if (port->negotiated_rev >= PD_REV30) {
+ msg.payload[nr_pdo++] = cpu_to_le32(port->snk_pdo[i]);
+ } else {
+ pdo = tcpm_forge_legacy_pdo(port, port->snk_pdo[i], TYPEC_SINK);
+ if (pdo)
+ msg.payload[nr_pdo++] = cpu_to_le32(pdo);
+ }
+ }
+
+ if (!nr_pdo) {
/* No sink capabilities defined, source only */
msg.header = PD_HEADER_LE(PD_CTRL_REJECT,
port->pwr_role,
@@ -964,10 +1198,8 @@ static int tcpm_pd_send_sink_caps(struct tcpm_port *port)
port->data_role,
port->negotiated_rev,
port->message_id,
- port->nr_snk_pdo);
+ nr_pdo);
}
- for (i = 0; i < port->nr_snk_pdo; i++)
- msg.payload[i] = cpu_to_le32(port->snk_pdo[i]);
return tcpm_pd_transmit(port, TCPC_TX_SOP, &msg);
}
@@ -1003,20 +1235,31 @@ static void mod_enable_frs_delayed_work(struct tcpm_port *port, unsigned int del
}
}
+static void mod_send_discover_delayed_work(struct tcpm_port *port, unsigned int delay_ms)
+{
+ if (delay_ms) {
+ hrtimer_start(&port->send_discover_timer, ms_to_ktime(delay_ms), HRTIMER_MODE_REL);
+ } else {
+ hrtimer_cancel(&port->send_discover_timer);
+ kthread_queue_work(port->wq, &port->send_discover_work);
+ }
+}
+
static void tcpm_set_state(struct tcpm_port *port, enum tcpm_state state,
unsigned int delay_ms)
{
if (delay_ms) {
- tcpm_log(port, "pending state change %s -> %s @ %u ms",
- tcpm_states[port->state], tcpm_states[state],
- delay_ms);
+ tcpm_log(port, "pending state change %s -> %s @ %u ms [%s %s]",
+ tcpm_states[port->state], tcpm_states[state], delay_ms,
+ pd_rev[port->negotiated_rev], tcpm_ams_str[port->ams]);
port->delayed_state = state;
mod_tcpm_delayed_work(port, delay_ms);
port->delayed_runtime = ktime_add(ktime_get(), ms_to_ktime(delay_ms));
port->delay_ms = delay_ms;
} else {
- tcpm_log(port, "state change %s -> %s",
- tcpm_states[port->state], tcpm_states[state]);
+ tcpm_log(port, "state change %s -> %s [%s %s]",
+ tcpm_states[port->state], tcpm_states[state],
+ pd_rev[port->negotiated_rev], tcpm_ams_str[port->ams]);
port->delayed_state = INVALID_STATE;
port->prev_state = port->state;
port->state = state;
@@ -1038,10 +1281,11 @@ static void tcpm_set_state_cond(struct tcpm_port *port, enum tcpm_state state,
tcpm_set_state(port, state, delay_ms);
else
tcpm_log(port,
- "skipped %sstate change %s -> %s [%u ms], context state %s",
+ "skipped %sstate change %s -> %s [%u ms], context state %s [%s %s]",
delay_ms ? "delayed " : "",
tcpm_states[port->state], tcpm_states[state],
- delay_ms, tcpm_states[port->enter_state]);
+ delay_ms, tcpm_states[port->enter_state],
+ pd_rev[port->negotiated_rev], tcpm_ams_str[port->ams]);
}
static void tcpm_queue_message(struct tcpm_port *port,
@@ -1051,6 +1295,149 @@ static void tcpm_queue_message(struct tcpm_port *port,
mod_tcpm_delayed_work(port, 0);
}
+static bool tcpm_vdm_ams(struct tcpm_port *port)
+{
+ switch (port->ams) {
+ case DISCOVER_IDENTITY:
+ case SOURCE_STARTUP_CABLE_PLUG_DISCOVER_IDENTITY:
+ case DISCOVER_SVIDS:
+ case DISCOVER_MODES:
+ case DFP_TO_UFP_ENTER_MODE:
+ case DFP_TO_UFP_EXIT_MODE:
+ case DFP_TO_CABLE_PLUG_ENTER_MODE:
+ case DFP_TO_CABLE_PLUG_EXIT_MODE:
+ case ATTENTION:
+ case UNSTRUCTURED_VDMS:
+ case STRUCTURED_VDMS:
+ break;
+ default:
+ return false;
+ }
+
+ return true;
+}
+
+static bool tcpm_ams_interruptible(struct tcpm_port *port)
+{
+ switch (port->ams) {
+ /* Interruptible AMS */
+ case NONE_AMS:
+ case SECURITY:
+ case FIRMWARE_UPDATE:
+ case DISCOVER_IDENTITY:
+ case SOURCE_STARTUP_CABLE_PLUG_DISCOVER_IDENTITY:
+ case DISCOVER_SVIDS:
+ case DISCOVER_MODES:
+ case DFP_TO_UFP_ENTER_MODE:
+ case DFP_TO_UFP_EXIT_MODE:
+ case DFP_TO_CABLE_PLUG_ENTER_MODE:
+ case DFP_TO_CABLE_PLUG_EXIT_MODE:
+ case UNSTRUCTURED_VDMS:
+ case STRUCTURED_VDMS:
+ case COUNTRY_INFO:
+ case COUNTRY_CODES:
+ break;
+ /* Non-Interruptible AMS */
+ default:
+ if (port->in_ams)
+ return false;
+ break;
+ }
+
+ return true;
+}
+
+static int tcpm_ams_start(struct tcpm_port *port, enum tcpm_ams ams)
+{
+ int ret = 0;
+
+ tcpm_log(port, "AMS %s start", tcpm_ams_str[ams]);
+
+ if (!tcpm_ams_interruptible(port) &&
+ !(ams == HARD_RESET || ams == SOFT_RESET_AMS)) {
+ port->upcoming_state = INVALID_STATE;
+ tcpm_log(port, "AMS %s not interruptible, aborting",
+ tcpm_ams_str[port->ams]);
+ return -EAGAIN;
+ }
+
+ if (port->pwr_role == TYPEC_SOURCE) {
+ enum typec_cc_status cc_req = port->cc_req;
+
+ port->ams = ams;
+
+ if (ams == HARD_RESET) {
+ tcpm_set_cc(port, tcpm_rp_cc(port));
+ tcpm_pd_transmit(port, TCPC_TX_HARD_RESET, NULL);
+ tcpm_set_state(port, HARD_RESET_START, 0);
+ return ret;
+ } else if (ams == SOFT_RESET_AMS) {
+ if (!port->explicit_contract)
+ tcpm_set_cc(port, tcpm_rp_cc(port));
+ tcpm_set_state(port, SOFT_RESET_SEND, 0);
+ return ret;
+ } else if (tcpm_vdm_ams(port)) {
+ /* tSinkTx is enforced in vdm_run_state_machine */
+ if (port->negotiated_rev >= PD_REV30)
+ tcpm_set_cc(port, SINK_TX_NG);
+ return ret;
+ }
+
+ if (port->negotiated_rev >= PD_REV30)
+ tcpm_set_cc(port, SINK_TX_NG);
+
+ switch (port->state) {
+ case SRC_READY:
+ case SRC_STARTUP:
+ case SRC_SOFT_RESET_WAIT_SNK_TX:
+ case SOFT_RESET:
+ case SOFT_RESET_SEND:
+ if (port->negotiated_rev >= PD_REV30)
+ tcpm_set_state(port, AMS_START,
+ cc_req == SINK_TX_OK ?
+ PD_T_SINK_TX : 0);
+ else
+ tcpm_set_state(port, AMS_START, 0);
+ break;
+ default:
+ if (port->negotiated_rev >= PD_REV30)
+ tcpm_set_state(port, SRC_READY,
+ cc_req == SINK_TX_OK ?
+ PD_T_SINK_TX : 0);
+ else
+ tcpm_set_state(port, SRC_READY, 0);
+ break;
+ }
+ } else {
+ if (port->negotiated_rev >= PD_REV30 &&
+ !tcpm_sink_tx_ok(port) &&
+ ams != SOFT_RESET_AMS &&
+ ams != HARD_RESET) {
+ port->upcoming_state = INVALID_STATE;
+ tcpm_log(port, "Sink TX No Go");
+ return -EAGAIN;
+ }
+
+ port->ams = ams;
+
+ if (ams == HARD_RESET) {
+ tcpm_pd_transmit(port, TCPC_TX_HARD_RESET, NULL);
+ tcpm_set_state(port, HARD_RESET_START, 0);
+ return ret;
+ } else if (tcpm_vdm_ams(port)) {
+ return ret;
+ }
+
+ if (port->state == SNK_READY ||
+ port->state == SNK_SOFT_RESET)
+ tcpm_set_state(port, AMS_START, 0);
+ else
+ tcpm_set_state(port, SNK_READY, 0);
+ }
+
+ return ret;
+}
+
/*
* VDM/VDO handling functions
*/
@@ -1068,6 +1455,7 @@ static void tcpm_queue_vdm(struct tcpm_port *port, const u32 header,
/* Set ready, vdm state machine will actually send */
port->vdm_retries = 0;
port->vdm_state = VDM_STATE_READY;
+ port->vdm_sm_running = true;
mod_vdm_delayed_work(port, 0);
}
@@ -1183,8 +1571,10 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
const u32 *p, int cnt, u32 *response,
enum adev_actions *adev_action)
{
+ struct typec_port *typec = port->typec_port;
struct typec_altmode *pdev;
struct pd_mode_data *modep;
+ int svdm_version;
int rlen = 0;
int cmd_type;
int cmd;
@@ -1201,25 +1591,54 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
pdev = typec_match_altmode(port->partner_altmode, ALTMODE_DISCOVERY_MAX,
PD_VDO_VID(p[0]), PD_VDO_OPOS(p[0]));
+ svdm_version = typec_get_negotiated_svdm_version(typec);
+ if (svdm_version < 0)
+ return 0;
+
switch (cmd_type) {
case CMDT_INIT:
switch (cmd) {
case CMD_DISCOVER_IDENT:
- /* 6.4.4.3.1: Only respond as UFP (device) */
- if (port->data_role == TYPEC_DEVICE &&
+ if (PD_VDO_VID(p[0]) != USB_SID_PD)
+ break;
+
+ if (PD_VDO_SVDM_VER(p[0]) < svdm_version) {
+ typec_partner_set_svdm_version(port->partner,
+ PD_VDO_SVDM_VER(p[0]));
+ svdm_version = PD_VDO_SVDM_VER(p[0]);
+ }
+
+ port->ams = DISCOVER_IDENTITY;
+ /*
+ * PD2.0 Spec 6.10.3: respond with NAK as DFP (data host)
+ * PD3.1 Spec 6.4.4.2.5.1: respond with NAK if "invalid field" or
+ * "wrong configuation" or "Unrecognized"
+ */
+ if ((port->data_role == TYPEC_DEVICE || svdm_version >= SVDM_VER_2_0) &&
port->nr_snk_vdo) {
- for (i = 0; i < port->nr_snk_vdo; i++)
- response[i + 1] = port->snk_vdo[i];
- rlen = port->nr_snk_vdo + 1;
+ if (svdm_version < SVDM_VER_2_0) {
+ for (i = 0; i < port->nr_snk_vdo_v1; i++)
+ response[i + 1] = port->snk_vdo_v1[i];
+ rlen = port->nr_snk_vdo_v1 + 1;
+
+ } else {
+ for (i = 0; i < port->nr_snk_vdo; i++)
+ response[i + 1] = port->snk_vdo[i];
+ rlen = port->nr_snk_vdo + 1;
+ }
}
break;
case CMD_DISCOVER_SVID:
+ port->ams = DISCOVER_SVIDS;
break;
case CMD_DISCOVER_MODES:
+ port->ams = DISCOVER_MODES;
break;
case CMD_ENTER_MODE:
+ port->ams = DFP_TO_UFP_ENTER_MODE;
break;
case CMD_EXIT_MODE:
+ port->ams = DFP_TO_UFP_EXIT_MODE;
break;
case CMD_ATTENTION:
/* Attention command does not have response */
@@ -1237,27 +1656,34 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
response[0] = p[0] | VDO_CMDT(CMDT_RSP_BUSY);
rlen = 1;
}
+ response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+ (VDO_SVDM_VERS(typec_get_negotiated_svdm_version(typec)));
break;
case CMDT_RSP_ACK:
/* silently drop message if we are not connected */
if (IS_ERR_OR_NULL(port->partner))
break;
+ tcpm_ams_finish(port);
+
switch (cmd) {
case CMD_DISCOVER_IDENT:
+ if (PD_VDO_SVDM_VER(p[0]) < svdm_version)
+ typec_partner_set_svdm_version(port->partner,
+ PD_VDO_SVDM_VER(p[0]));
/* 6.4.4.3.1 */
svdm_consume_identity(port, p, cnt);
- response[0] = VDO(USB_SID_PD, 1, CMD_DISCOVER_SVID);
+ response[0] = VDO(USB_SID_PD, 1, typec_get_negotiated_svdm_version(typec),
+ CMD_DISCOVER_SVID);
rlen = 1;
break;
case CMD_DISCOVER_SVID:
/* 6.4.4.3.2 */
if (svdm_consume_svids(port, p, cnt)) {
- response[0] = VDO(USB_SID_PD, 1,
- CMD_DISCOVER_SVID);
+ response[0] = VDO(USB_SID_PD, 1, svdm_version, CMD_DISCOVER_SVID);
rlen = 1;
} else if (modep->nsvids && supports_modal(port)) {
- response[0] = VDO(modep->svids[0], 1,
+ response[0] = VDO(modep->svids[0], 1, svdm_version,
CMD_DISCOVER_MODES);
rlen = 1;
}
@@ -1268,7 +1694,7 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
modep->svid_index++;
if (modep->svid_index < modep->nsvids) {
u16 svid = modep->svids[modep->svid_index];
- response[0] = VDO(svid, 1, CMD_DISCOVER_MODES);
+ response[0] = VDO(svid, 1, svdm_version, CMD_DISCOVER_MODES);
rlen = 1;
} else {
tcpm_register_partner_altmodes(port);
@@ -1288,21 +1714,43 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
return 0;
}
break;
+ case VDO_CMD_VENDOR(0) ... VDO_CMD_VENDOR(15):
+ break;
default:
+ /* Unrecognized SVDM */
+ response[0] = p[0] | VDO_CMDT(CMDT_RSP_NAK);
+ rlen = 1;
+ response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+ (VDO_SVDM_VERS(svdm_version));
break;
}
break;
case CMDT_RSP_NAK:
+ tcpm_ams_finish(port);
switch (cmd) {
+ case CMD_DISCOVER_IDENT:
+ case CMD_DISCOVER_SVID:
+ case CMD_DISCOVER_MODES:
+ case VDO_CMD_VENDOR(0) ... VDO_CMD_VENDOR(15):
+ break;
case CMD_ENTER_MODE:
/* Back to USB Operation */
*adev_action = ADEV_NOTIFY_USB_AND_QUEUE_VDM;
return 0;
default:
+ /* Unrecognized SVDM */
+ response[0] = p[0] | VDO_CMDT(CMDT_RSP_NAK);
+ rlen = 1;
+ response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+ (VDO_SVDM_VERS(svdm_version));
break;
}
break;
default:
+ response[0] = p[0] | VDO_CMDT(CMDT_RSP_NAK);
+ rlen = 1;
+ response[0] = (response[0] & ~VDO_SVDM_VERS_MASK) |
+ (VDO_SVDM_VERS(svdm_version));
break;
}
@@ -1311,6 +1759,10 @@ static int tcpm_pd_svdm(struct tcpm_port *port, struct typec_altmode *adev,
return rlen;
}
+static void tcpm_pd_handle_msg(struct tcpm_port *port,
+ enum pd_msg_request message,
+ enum tcpm_ams ams);
+
static void tcpm_handle_vdm_request(struct tcpm_port *port,
const __le32 *payload, int cnt)
{
@@ -1338,8 +1790,26 @@ static void tcpm_handle_vdm_request(struct tcpm_port *port,
port->vdm_state = VDM_STATE_DONE;
}
- if (PD_VDO_SVDM(p[0]))
+ if (PD_VDO_SVDM(p[0]) && (adev || tcpm_vdm_ams(port) || port->nr_snk_vdo)) {
+ /*
+ * Here a SVDM is received (INIT or RSP or unknown). Set the vdm_sm_running in
+ * advance because we are dropping the lock but may send VDMs soon.
+ * For the cases of INIT received:
+ * - If no response to send, it will be cleared later in this function.
+ * - If there are responses to send, it will be cleared in the state machine.
+ * For the cases of RSP received:
+ * - If no further INIT to send, it will be cleared later in this function.
+ * - Otherwise, it will be cleared in the state machine if timeout or it will go
+ * back here until no further INIT to send.
+ * For the cases of unknown type received:
+ * - We will send NAK and the flag will be cleared in the state machine.
+ */
+ port->vdm_sm_running = true;
rlen = tcpm_pd_svdm(port, adev, p, cnt, response, &adev_action);
+ } else {
+ if (port->negotiated_rev >= PD_REV30)
+ tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
+ }
/*
* We are done with any state stored in the port struct now, except
@@ -1375,7 +1845,13 @@ static void tcpm_handle_vdm_request(struct tcpm_port *port,
break;
case ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL:
if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) {
- response[0] = VDO(adev->svid, 1, CMD_EXIT_MODE);
+ int svdm_version = typec_get_negotiated_svdm_version(
+ port->typec_port);
+ if (svdm_version < 0)
+ break;
+
+ response[0] = VDO(adev->svid, 1, svdm_version,
+ CMD_EXIT_MODE);
response[0] |= VDO_OPOS(adev->mode);
rlen = 1;
}
@@ -1397,19 +1873,26 @@ static void tcpm_handle_vdm_request(struct tcpm_port *port,
if (rlen > 0)
tcpm_queue_vdm(port, response[0], &response[1], rlen - 1);
+ else
+ port->vdm_sm_running = false;
}
static void tcpm_send_vdm(struct tcpm_port *port, u32 vid, int cmd,
const u32 *data, int count)
{
+ int svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
u32 header;
+ if (svdm_version < 0)
+ return;
+
if (WARN_ON(count > VDO_MAX_SIZE - 1))
count = VDO_MAX_SIZE - 1;
/* set VDM header with VID & CMD */
header = VDO(vid, ((vid & USB_SID_PD) == USB_SID_PD) ?
- 1 : (PD_VDO_CMD(cmd) <= CMD_ATTENTION), cmd);
+ 1 : (PD_VDO_CMD(cmd) <= CMD_ATTENTION),
+ svdm_version, cmd);
tcpm_queue_vdm(port, header, data, count);
}
@@ -1442,7 +1925,8 @@ static unsigned int vdm_ready_timeout(u32 vdm_hdr)
static void vdm_run_state_machine(struct tcpm_port *port)
{
struct pd_message msg;
- int i, res;
+ int i, res = 0;
+ u32 vdo_hdr = port->vdo_data[0];
switch (port->vdm_state) {
case VDM_STATE_READY:
@@ -1456,9 +1940,87 @@ static void vdm_run_state_machine(struct tcpm_port *port)
* if there's traffic or we're not in PDO ready state don't send
* a VDM.
*/
- if (port->state != SRC_READY && port->state != SNK_READY)
+ if (port->state != SRC_READY && port->state != SNK_READY) {
+ port->vdm_sm_running = false;
break;
+ }
+ /* TODO: AMS operation for Unstructured VDM */
+ if (PD_VDO_SVDM(vdo_hdr) && PD_VDO_CMDT(vdo_hdr) == CMDT_INIT) {
+ switch (PD_VDO_CMD(vdo_hdr)) {
+ case CMD_DISCOVER_IDENT:
+ res = tcpm_ams_start(port, DISCOVER_IDENTITY);
+ if (res == 0)
+ port->send_discover = false;
+ else if (res == -EAGAIN)
+ mod_send_discover_delayed_work(port,
+ SEND_DISCOVER_RETRY_MS);
+ break;
+ case CMD_DISCOVER_SVID:
+ res = tcpm_ams_start(port, DISCOVER_SVIDS);
+ break;
+ case CMD_DISCOVER_MODES:
+ res = tcpm_ams_start(port, DISCOVER_MODES);
+ break;
+ case CMD_ENTER_MODE:
+ res = tcpm_ams_start(port, DFP_TO_UFP_ENTER_MODE);
+ break;
+ case CMD_EXIT_MODE:
+ res = tcpm_ams_start(port, DFP_TO_UFP_EXIT_MODE);
+ break;
+ case CMD_ATTENTION:
+ res = tcpm_ams_start(port, ATTENTION);
+ break;
+ case VDO_CMD_VENDOR(0) ... VDO_CMD_VENDOR(15):
+ res = tcpm_ams_start(port, STRUCTURED_VDMS);
+ break;
+ default:
+ res = -EOPNOTSUPP;
+ break;
+ }
+
+ if (res < 0) {
+ port->vdm_state = VDM_STATE_ERR_BUSY;
+ return;
+ }
+ }
+
+ port->vdm_state = VDM_STATE_SEND_MESSAGE;
+ mod_vdm_delayed_work(port, (port->negotiated_rev >= PD_REV30 &&
+ port->pwr_role == TYPEC_SOURCE &&
+ PD_VDO_SVDM(vdo_hdr) &&
+ PD_VDO_CMDT(vdo_hdr) == CMDT_INIT) ?
+ PD_T_SINK_TX : 0);
+ break;
+ case VDM_STATE_WAIT_RSP_BUSY:
+ port->vdo_data[0] = port->vdo_retry;
+ port->vdo_count = 1;
+ port->vdm_state = VDM_STATE_READY;
+ tcpm_ams_finish(port);
+ break;
+ case VDM_STATE_BUSY:
+ port->vdm_state = VDM_STATE_ERR_TMOUT;
+ if (port->ams != NONE_AMS)
+ tcpm_ams_finish(port);
+ break;
+ case VDM_STATE_ERR_SEND:
+ /*
+ * A partner which does not support USB PD will not reply,
+ * so this is not a fatal error. At the same time, some
+ * devices may not return GoodCRC under some circumstances,
+ * so we need to retry.
+ */
+ if (port->vdm_retries < 3) {
+ tcpm_log(port, "VDM Tx error, retry");
+ port->vdm_retries++;
+ port->vdm_state = VDM_STATE_READY;
+ if (PD_VDO_SVDM(vdo_hdr) && PD_VDO_CMDT(vdo_hdr) == CMDT_INIT)
+ tcpm_ams_finish(port);
+ } else {
+ tcpm_ams_finish(port);
+ }
+ break;
+ case VDM_STATE_SEND_MESSAGE:
/* Prepare and send VDM */
memset(&msg, 0, sizeof(msg));
msg.header = PD_HEADER_LE(PD_DATA_VENDOR_DEF,
@@ -1476,31 +2038,10 @@ static void vdm_run_state_machine(struct tcpm_port *port)
port->vdm_retries = 0;
port->vdm_state = VDM_STATE_BUSY;
- timeout = vdm_ready_timeout(port->vdo_data[0]);
+ timeout = vdm_ready_timeout(vdo_hdr);
mod_vdm_delayed_work(port, timeout);
}
break;
- case VDM_STATE_WAIT_RSP_BUSY:
- port->vdo_data[0] = port->vdo_retry;
- port->vdo_count = 1;
- port->vdm_state = VDM_STATE_READY;
- break;
- case VDM_STATE_BUSY:
- port->vdm_state = VDM_STATE_ERR_TMOUT;
- break;
- case VDM_STATE_ERR_SEND:
- /*
- * A partner which does not support USB PD will not reply,
- * so this is not a fatal error. At the same time, some
- * devices may not return GoodCRC under some circumstances,
- * so we need to retry.
- */
- if (port->vdm_retries < 3) {
- tcpm_log(port, "VDM Tx error, retry");
- port->vdm_retries++;
- port->vdm_state = VDM_STATE_READY;
- }
- break;
default:
break;
}
@@ -1521,7 +2062,11 @@ static void vdm_state_machine_work(struct kthread_work *work)
prev_state = port->vdm_state;
vdm_run_state_machine(port);
} while (port->vdm_state != prev_state &&
- port->vdm_state != VDM_STATE_BUSY);
+ port->vdm_state != VDM_STATE_BUSY &&
+ port->vdm_state != VDM_STATE_SEND_MESSAGE);
+
+ if (port->vdm_state < VDM_STATE_READY)
+ port->vdm_sm_running = false;
mutex_unlock(&port->lock);
}
@@ -1649,9 +2194,14 @@ static int tcpm_validate_caps(struct tcpm_port *port, const u32 *pdo,
static int tcpm_altmode_enter(struct typec_altmode *altmode, u32 *vdo)
{
struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
+ int svdm_version;
u32 header;
- header = VDO(altmode->svid, vdo ? 2 : 1, CMD_ENTER_MODE);
+ svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
+ if (svdm_version < 0)
+ return svdm_version;
+
+ header = VDO(altmode->svid, vdo ? 2 : 1, svdm_version, CMD_ENTER_MODE);
header |= VDO_OPOS(altmode->mode);
tcpm_queue_vdm_unlocked(port, header, vdo, vdo ? 1 : 0);
@@ -1661,9 +2211,14 @@ static int tcpm_altmode_enter(struct typec_altmode *altmode, u32 *vdo)
static int tcpm_altmode_exit(struct typec_altmode *altmode)
{
struct tcpm_port *port = typec_altmode_get_drvdata(altmode);
+ int svdm_version;
u32 header;
- header = VDO(altmode->svid, 1, CMD_EXIT_MODE);
+ svdm_version = typec_get_negotiated_svdm_version(port->typec_port);
+ if (svdm_version < 0)
+ return svdm_version;
+
+ header = VDO(altmode->svid, 1, svdm_version, CMD_EXIT_MODE);
header |= VDO_OPOS(altmode->mode);
tcpm_queue_vdm_unlocked(port, header, NULL, 0);
@@ -1708,20 +2263,108 @@ static void tcpm_handle_alert(struct tcpm_port *port, const __le32 *payload,
if (!type) {
tcpm_log(port, "Alert message received with no type");
+ tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
return;
}
/* Just handling non-battery alerts for now */
if (!(type & USB_PD_ADO_TYPE_BATT_STATUS_CHANGE)) {
- switch (port->state) {
- case SRC_READY:
- case SNK_READY:
+ if (port->pwr_role == TYPEC_SOURCE) {
+ port->upcoming_state = GET_STATUS_SEND;
+ tcpm_ams_start(port, GETTING_SOURCE_SINK_STATUS);
+ } else {
+ /*
+ * Do not check SinkTxOk here in case the Source doesn't set its Rp to
+ * SinkTxOk in time.
+ */
+ port->ams = GETTING_SOURCE_SINK_STATUS;
tcpm_set_state(port, GET_STATUS_SEND, 0);
- break;
- default:
- tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
- break;
}
+ } else {
+ tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+ }
+}
+
+static int tcpm_set_auto_vbus_discharge_threshold(struct tcpm_port *port,
+ enum typec_pwr_opmode mode, bool pps_active,
+ u32 requested_vbus_voltage)
+{
+ int ret;
+
+ if (!port->tcpc->set_auto_vbus_discharge_threshold)
+ return 0;
+
+ ret = port->tcpc->set_auto_vbus_discharge_threshold(port->tcpc, mode, pps_active,
+ requested_vbus_voltage);
+ tcpm_log_force(port,
+ "set_auto_vbus_discharge_threshold mode:%d pps_active:%c vbus:%u ret:%d",
+ mode, pps_active ? 'y' : 'n', requested_vbus_voltage, ret);
+
+ return ret;
+}
+
+static void tcpm_pd_handle_state(struct tcpm_port *port,
+ enum tcpm_state state,
+ enum tcpm_ams ams,
+ unsigned int delay_ms)
+{
+ switch (port->state) {
+ case SRC_READY:
+ case SNK_READY:
+ port->ams = ams;
+ tcpm_set_state(port, state, delay_ms);
+ break;
+ /* 8.3.3.4.1.1 and 6.8.1 power transitioning */
+ case SNK_TRANSITION_SINK:
+ case SNK_TRANSITION_SINK_VBUS:
+ case SRC_TRANSITION_SUPPLY:
+ tcpm_set_state(port, HARD_RESET_SEND, 0);
+ break;
+ default:
+ if (!tcpm_ams_interruptible(port)) {
+ tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ?
+ SRC_SOFT_RESET_WAIT_SNK_TX :
+ SNK_SOFT_RESET,
+ 0);
+ } else {
+ /* process the Message 6.8.1 */
+ port->upcoming_state = state;
+ port->next_ams = ams;
+ tcpm_set_state(port, ready_state(port), delay_ms);
+ }
+ break;
+ }
+}
+
+static void tcpm_pd_handle_msg(struct tcpm_port *port,
+ enum pd_msg_request message,
+ enum tcpm_ams ams)
+{
+ switch (port->state) {
+ case SRC_READY:
+ case SNK_READY:
+ port->ams = ams;
+ tcpm_queue_message(port, message);
+ break;
+ /* PD 3.0 Spec 8.3.3.4.1.1 and 6.8.1 */
+ case SNK_TRANSITION_SINK:
+ case SNK_TRANSITION_SINK_VBUS:
+ case SRC_TRANSITION_SUPPLY:
+ tcpm_set_state(port, HARD_RESET_SEND, 0);
+ break;
+ default:
+ if (!tcpm_ams_interruptible(port)) {
+ tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ?
+ SRC_SOFT_RESET_WAIT_SNK_TX :
+ SNK_SOFT_RESET,
+ 0);
+ } else {
+ port->next_ams = ams;
+ tcpm_set_state(port, ready_state(port), 0);
+ /* 6.8.1 process the Message */
+ tcpm_queue_message(port, message);
+ }
+ break;
}
}
@@ -1732,15 +2375,18 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
unsigned int cnt = pd_header_cnt_le(msg->header);
unsigned int rev = pd_header_rev_le(msg->header);
unsigned int i;
- enum frs_typec_current frs_current;
+ enum frs_typec_current partner_frs_current;
bool frs_enable;
int ret;
+ if (tcpm_vdm_ams(port) && type != PD_DATA_VENDOR_DEF) {
+ port->vdm_state = VDM_STATE_ERR_BUSY;
+ tcpm_ams_finish(port);
+ mod_vdm_delayed_work(port, 0);
+ }
+
switch (type) {
case PD_DATA_SOURCE_CAP:
- if (port->pwr_role != TYPEC_SINK)
- break;
-
for (i = 0; i < cnt; i++)
port->source_caps[i] = le32_to_cpu(msg->payload[i]);
@@ -1751,17 +2397,34 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
tcpm_validate_caps(port, port->source_caps,
port->nr_source_caps);
+ trace_android_vh_typec_store_partner_src_caps(port, &port->nr_source_caps,
+ &port->source_caps);
+
/*
* Adjust revision in subsequent message headers, as required,
* to comply with 6.2.1.1.5 of the USB PD 3.0 spec. We don't
* support Rev 1.0 so just do nothing in that scenario.
*/
- if (rev == PD_REV10)
+ if (rev == PD_REV10) {
+ if (port->ams == GET_SOURCE_CAPABILITIES)
+ tcpm_ams_finish(port);
break;
+ }
if (rev < PD_MAX_REV)
port->negotiated_rev = rev;
+ if (port->pwr_role == TYPEC_SOURCE) {
+ if (port->ams == GET_SOURCE_CAPABILITIES)
+ tcpm_pd_handle_state(port, SRC_READY, NONE_AMS, 0);
+ /* Unexpected Source Capabilities */
+ else
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
+ } else if (port->state == SNK_WAIT_CAPABILITIES) {
/*
* This message may be received even if VBUS is not
* present. This is quite unexpected; see USB PD
@@ -1775,42 +2438,68 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
* but be prepared to keep waiting for VBUS after it was
* handled.
*/
- tcpm_set_state(port, SNK_NEGOTIATE_CAPABILITIES, 0);
+ port->ams = POWER_NEGOTIATION;
+ port->in_ams = true;
+ tcpm_set_state(port, SNK_NEGOTIATE_CAPABILITIES, 0);
+ } else {
+ if (port->ams == GET_SOURCE_CAPABILITIES)
+ tcpm_ams_finish(port);
+ tcpm_pd_handle_state(port, SNK_NEGOTIATE_CAPABILITIES,
+ POWER_NEGOTIATION, 0);
+ }
break;
case PD_DATA_REQUEST:
- if (port->pwr_role != TYPEC_SOURCE ||
- cnt != 1) {
- tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
- break;
- }
-
/*
* Adjust revision in subsequent message headers, as required,
* to comply with 6.2.1.1.5 of the USB PD 3.0 spec. We don't
* support Rev 1.0 so just reject in that scenario.
*/
if (rev == PD_REV10) {
- tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
break;
}
if (rev < PD_MAX_REV)
port->negotiated_rev = rev;
+ if (port->pwr_role != TYPEC_SOURCE || cnt != 1) {
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
+ break;
+ }
+
port->sink_request = le32_to_cpu(msg->payload[0]);
- tcpm_set_state(port, SRC_NEGOTIATE_CAPABILITIES, 0);
+
+ if (port->vdm_sm_running && port->explicit_contract) {
+ tcpm_pd_handle_msg(port, PD_MSG_CTRL_WAIT, port->ams);
+ break;
+ }
+
+ if (port->state == SRC_SEND_CAPABILITIES)
+ tcpm_set_state(port, SRC_NEGOTIATE_CAPABILITIES, 0);
+ else
+ tcpm_pd_handle_state(port, SRC_NEGOTIATE_CAPABILITIES,
+ POWER_NEGOTIATION, 0);
break;
case PD_DATA_SINK_CAP:
/* We don't do anything with this at the moment... */
for (i = 0; i < cnt; i++)
port->sink_caps[i] = le32_to_cpu(msg->payload[i]);
- frs_current = (port->sink_caps[0] & PDO_FIXED_FRS_CURR_MASK) >>
+ partner_frs_current = (port->sink_caps[0] & PDO_FIXED_FRS_CURR_MASK) >>
PDO_FIXED_FRS_CURR_SHIFT;
- frs_enable = frs_current && (frs_current <= port->frs_current);
+ frs_enable = partner_frs_current && (partner_frs_current <=
+ port->new_source_frs_current);
tcpm_log(port,
"Port partner FRS capable partner_frs_current:%u port_frs_current:%u enable:%c",
- frs_current, port->frs_current, frs_enable ? 'y' : 'n');
+ partner_frs_current, port->new_source_frs_current, frs_enable ? 'y' : 'n');
if (frs_enable) {
ret = port->tcpc->enable_frs(port->tcpc, true);
tcpm_log(port, "Enable FRS %s, ret:%d\n", ret ? "fail" : "success", ret);
@@ -1818,27 +2507,45 @@ static void tcpm_pd_data_request(struct tcpm_port *port,
port->nr_sink_caps = cnt;
port->sink_cap_done = true;
- tcpm_set_state(port, SNK_READY, 0);
+ if (port->ams == GET_SINK_CAPABILITIES)
+ tcpm_set_state(port, ready_state(port), 0);
+ /* Unexpected Sink Capabilities */
+ else
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
break;
case PD_DATA_VENDOR_DEF:
tcpm_handle_vdm_request(port, msg->payload, cnt);
break;
case PD_DATA_BIST:
- if (port->state == SRC_READY || port->state == SNK_READY) {
- port->bist_request = le32_to_cpu(msg->payload[0]);
- tcpm_set_state(port, BIST_RX, 0);
- }
+ port->bist_request = le32_to_cpu(msg->payload[0]);
+ tcpm_pd_handle_state(port, BIST_RX, BIST, 0);
break;
case PD_DATA_ALERT:
- tcpm_handle_alert(port, msg->payload, cnt);
+ if (port->state != SRC_READY && port->state != SNK_READY)
+ tcpm_pd_handle_state(port, port->pwr_role == TYPEC_SOURCE ?
+ SRC_SOFT_RESET_WAIT_SNK_TX : SNK_SOFT_RESET,
+ NONE_AMS, 0);
+ else
+ tcpm_handle_alert(port, msg->payload, cnt);
break;
case PD_DATA_BATT_STATUS:
case PD_DATA_GET_COUNTRY_INFO:
/* Currently unsupported */
- tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+ tcpm_pd_handle_msg(port, port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
break;
default:
- tcpm_log(port, "Unhandled data message type %#x", type);
+ tcpm_pd_handle_msg(port, port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
+ tcpm_log(port, "Unrecognized data message type %#x", type);
break;
}
}
@@ -1858,31 +2565,25 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
enum pd_ctrl_msg_type type = pd_header_type_le(msg->header);
enum tcpm_state next_state;
+ /*
+ * Stop VDM state machine if interrupted by other Messages while NOT_SUPP is allowed in
+ * VDM AMS if waiting for VDM responses and will be handled later.
+ */
+ if (tcpm_vdm_ams(port) && type != PD_CTRL_NOT_SUPP && type != PD_CTRL_GOOD_CRC) {
+ port->vdm_state = VDM_STATE_ERR_BUSY;
+ tcpm_ams_finish(port);
+ mod_vdm_delayed_work(port, 0);
+ }
+
switch (type) {
case PD_CTRL_GOOD_CRC:
case PD_CTRL_PING:
break;
case PD_CTRL_GET_SOURCE_CAP:
- switch (port->state) {
- case SRC_READY:
- case SNK_READY:
- tcpm_queue_message(port, PD_MSG_DATA_SOURCE_CAP);
- break;
- default:
- tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
- break;
- }
+ tcpm_pd_handle_msg(port, PD_MSG_DATA_SOURCE_CAP, GET_SOURCE_CAPABILITIES);
break;
case PD_CTRL_GET_SINK_CAP:
- switch (port->state) {
- case SRC_READY:
- case SNK_READY:
- tcpm_queue_message(port, PD_MSG_DATA_SINK_CAP);
- break;
- default:
- tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
- break;
- }
+ tcpm_pd_handle_msg(port, PD_MSG_DATA_SINK_CAP, GET_SINK_CAPABILITIES);
break;
case PD_CTRL_GOTO_MIN:
break;
@@ -1894,6 +2595,10 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
port->req_current_limit,
port->req_supply_voltage);
port->explicit_contract = true;
+ tcpm_set_auto_vbus_discharge_threshold(port,
+ TYPEC_PWR_MODE_PD,
+ port->pps_data.active,
+ port->supply_voltage);
tcpm_set_state(port, SNK_READY, 0);
} else {
/*
@@ -1917,6 +2622,11 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
tcpm_set_state(port, FR_SWAP_SNK_SRC_NEW_SINK_READY, 0);
break;
default:
+ tcpm_pd_handle_state(port,
+ port->pwr_role == TYPEC_SOURCE ?
+ SRC_SOFT_RESET_WAIT_SNK_TX :
+ SNK_SOFT_RESET,
+ NONE_AMS, 0);
break;
}
break;
@@ -1930,6 +2640,11 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
next_state = SNK_READY;
else
next_state = SNK_WAIT_CAPABILITIES;
+
+ /* Threshold was relaxed before sending Request. Restore it back. */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+ port->pps_data.active,
+ port->supply_voltage);
tcpm_set_state(port, next_state, 0);
break;
case SNK_NEGOTIATE_PPS_CAPABILITIES:
@@ -1938,6 +2653,12 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
port->pps_data.req_op_curr = port->current_limit;
port->pps_status = (type == PD_CTRL_WAIT ?
-EAGAIN : -EOPNOTSUPP);
+
+ /* Threshold was relaxed before sending Request. Restore it back. */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+ port->pps_data.active,
+ port->supply_voltage);
+
tcpm_set_state(port, SNK_READY, 0);
break;
case DR_SWAP_SEND:
@@ -1962,7 +2683,22 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
port->sink_cap_done = true;
tcpm_set_state(port, ready_state(port), 0);
break;
+ case SRC_READY:
+ case SNK_READY:
+ if (port->vdm_state > VDM_STATE_READY) {
+ port->vdm_state = VDM_STATE_DONE;
+ if (tcpm_vdm_ams(port))
+ tcpm_ams_finish(port);
+ mod_vdm_delayed_work(port, 0);
+ break;
+ }
+ fallthrough;
default:
+ tcpm_pd_handle_state(port,
+ port->pwr_role == TYPEC_SOURCE ?
+ SRC_SOFT_RESET_WAIT_SNK_TX :
+ SNK_SOFT_RESET,
+ NONE_AMS, 0);
break;
}
break;
@@ -1983,13 +2719,14 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
tcpm_set_state(port, SNK_TRANSITION_SINK, 0);
break;
case SOFT_RESET_SEND:
- port->message_id = 0;
- port->rx_msgid = -1;
- if (port->pwr_role == TYPEC_SOURCE)
- next_state = SRC_SEND_CAPABILITIES;
- else
- next_state = SNK_WAIT_CAPABILITIES;
- tcpm_set_state(port, next_state, 0);
+ if (port->ams == SOFT_RESET_AMS)
+ tcpm_ams_finish(port);
+ if (port->pwr_role == TYPEC_SOURCE) {
+ port->upcoming_state = SRC_SEND_CAPABILITIES;
+ tcpm_ams_start(port, POWER_NEGOTIATION);
+ } else {
+ tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
+ }
break;
case DR_SWAP_SEND:
tcpm_set_state(port, DR_SWAP_CHANGE_DR, 0);
@@ -2004,57 +2741,62 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
tcpm_set_state(port, FR_SWAP_SNK_SRC_TRANSITION_TO_OFF, 0);
break;
default:
+ tcpm_pd_handle_state(port,
+ port->pwr_role == TYPEC_SOURCE ?
+ SRC_SOFT_RESET_WAIT_SNK_TX :
+ SNK_SOFT_RESET,
+ NONE_AMS, 0);
break;
}
break;
case PD_CTRL_SOFT_RESET:
+ port->ams = SOFT_RESET_AMS;
tcpm_set_state(port, SOFT_RESET, 0);
break;
case PD_CTRL_DR_SWAP:
- if (port->typec_caps.data != TYPEC_PORT_DRD) {
- tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
- break;
- }
/*
* XXX
* 6.3.9: If an alternate mode is active, a request to swap
* alternate modes shall trigger a port reset.
*/
- switch (port->state) {
- case SRC_READY:
- case SNK_READY:
- tcpm_set_state(port, DR_SWAP_ACCEPT, 0);
- break;
- default:
- tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
- break;
+ if (port->typec_caps.data != TYPEC_PORT_DRD) {
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
+ } else {
+ if (port->send_discover) {
+ tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
+ break;
+ }
+
+ tcpm_pd_handle_state(port, DR_SWAP_ACCEPT, DATA_ROLE_SWAP, 0);
}
break;
case PD_CTRL_PR_SWAP:
if (port->port_type != TYPEC_PORT_DRP) {
- tcpm_queue_message(port, PD_MSG_CTRL_REJECT);
- break;
- }
- switch (port->state) {
- case SRC_READY:
- case SNK_READY:
- tcpm_set_state(port, PR_SWAP_ACCEPT, 0);
- break;
- default:
- tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
- break;
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
+ } else {
+ if (port->send_discover) {
+ tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
+ break;
+ }
+
+ tcpm_pd_handle_state(port, PR_SWAP_ACCEPT, POWER_ROLE_SWAP, 0);
}
break;
case PD_CTRL_VCONN_SWAP:
- switch (port->state) {
- case SRC_READY:
- case SNK_READY:
- tcpm_set_state(port, VCONN_SWAP_ACCEPT, 0);
- break;
- default:
+ if (port->send_discover) {
tcpm_queue_message(port, PD_MSG_CTRL_WAIT);
break;
}
+
+ tcpm_pd_handle_state(port, VCONN_SWAP_ACCEPT, VCONN_SWAP, 0);
break;
case PD_CTRL_GET_SOURCE_CAP_EXT:
case PD_CTRL_GET_STATUS:
@@ -2062,10 +2804,19 @@ static void tcpm_pd_ctrl_request(struct tcpm_port *port,
case PD_CTRL_GET_PPS_STATUS:
case PD_CTRL_GET_COUNTRY_CODES:
/* Currently not supported */
- tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
break;
default:
- tcpm_log(port, "Unhandled ctrl message type %#x", type);
+ tcpm_pd_handle_msg(port,
+ port->negotiated_rev < PD_REV30 ?
+ PD_MSG_CTRL_REJECT :
+ PD_MSG_CTRL_NOT_SUPP,
+ NONE_AMS);
+ tcpm_log(port, "Unrecognized ctrl message type %#x", type);
break;
}
}
@@ -2076,34 +2827,37 @@ static void tcpm_pd_ext_msg_request(struct tcpm_port *port,
enum pd_ext_msg_type type = pd_header_type_le(msg->header);
unsigned int data_size = pd_ext_header_data_size_le(msg->ext_msg.header);
- if (!(msg->ext_msg.header & PD_EXT_HDR_CHUNKED)) {
+ /* stopping VDM state machine if interrupted by other Messages */
+ if (tcpm_vdm_ams(port)) {
+ port->vdm_state = VDM_STATE_ERR_BUSY;
+ tcpm_ams_finish(port);
+ mod_vdm_delayed_work(port, 0);
+ }
+
+ if (!(le16_to_cpu(msg->ext_msg.header) & PD_EXT_HDR_CHUNKED)) {
+ tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
tcpm_log(port, "Unchunked extended messages unsupported");
return;
}
if (data_size > PD_EXT_MAX_CHUNK_DATA) {
+ tcpm_pd_handle_state(port, CHUNK_NOT_SUPP, NONE_AMS, PD_T_CHUNK_NOT_SUPP);
tcpm_log(port, "Chunk handling not yet supported");
return;
}
switch (type) {
case PD_EXT_STATUS:
- /*
- * If PPS related events raised then get PPS status to clear
- * (see USB PD 3.0 Spec, 6.5.2.4)
- */
- if (msg->ext_msg.data[USB_PD_EXT_SDB_EVENT_FLAGS] &
- USB_PD_EXT_SDB_PPS_EVENTS)
- tcpm_set_state(port, GET_PPS_STATUS_SEND, 0);
- else
- tcpm_set_state(port, ready_state(port), 0);
- break;
case PD_EXT_PPS_STATUS:
- /*
- * For now the PPS status message is used to clear events
- * and nothing more.
- */
- tcpm_set_state(port, ready_state(port), 0);
+ if (port->ams == GETTING_SOURCE_SINK_STATUS) {
+ tcpm_ams_finish(port);
+ tcpm_set_state(port, ready_state(port), 0);
+ } else {
+ /* unexpected Status or PPS_Status Message */
+ tcpm_pd_handle_state(port, port->pwr_role == TYPEC_SOURCE ?
+ SRC_SOFT_RESET_WAIT_SNK_TX : SNK_SOFT_RESET,
+ NONE_AMS, 0);
+ }
break;
case PD_EXT_SOURCE_CAP_EXT:
case PD_EXT_GET_BATT_CAP:
@@ -2117,10 +2871,11 @@ static void tcpm_pd_ext_msg_request(struct tcpm_port *port,
case PD_EXT_FW_UPDATE_RESPONSE:
case PD_EXT_COUNTRY_INFO:
case PD_EXT_COUNTRY_CODES:
- tcpm_queue_message(port, PD_MSG_CTRL_NOT_SUPP);
+ tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
break;
default:
- tcpm_log(port, "Unhandled extended message type %#x", type);
+ tcpm_pd_handle_msg(port, PD_MSG_CTRL_NOT_SUPP, NONE_AMS);
+ tcpm_log(port, "Unrecognized extended message type %#x", type);
break;
}
}
@@ -2165,7 +2920,7 @@ static void tcpm_pd_rx_handler(struct kthread_work *work)
"Data role mismatch, initiating error recovery");
tcpm_set_state(port, ERROR_RECOVERY, 0);
} else {
- if (msg->header & PD_HEADER_EXT_HDR)
+ if (le16_to_cpu(msg->header) & PD_HEADER_EXT_HDR)
tcpm_pd_ext_msg_request(port, msg);
else if (cnt)
tcpm_pd_data_request(port, msg);
@@ -2216,6 +2971,7 @@ static int tcpm_pd_send_control(struct tcpm_port *port,
static bool tcpm_send_queued_message(struct tcpm_port *port)
{
enum pd_msg_request queued_message;
+ int ret;
do {
queued_message = port->queued_message;
@@ -2232,10 +2988,27 @@ static bool tcpm_send_queued_message(struct tcpm_port *port)
tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP);
break;
case PD_MSG_DATA_SINK_CAP:
- tcpm_pd_send_sink_caps(port);
+ ret = tcpm_pd_send_sink_caps(port);
+ if (ret < 0) {
+ tcpm_log(port, "Unable to send snk caps, ret=%d", ret);
+ tcpm_set_state(port, SNK_SOFT_RESET, 0);
+ }
+ tcpm_ams_finish(port);
break;
case PD_MSG_DATA_SOURCE_CAP:
- tcpm_pd_send_source_caps(port);
+ ret = tcpm_pd_send_source_caps(port);
+ if (ret < 0) {
+ tcpm_log(port,
+ "Unable to send src caps, ret=%d",
+ ret);
+ tcpm_set_state(port, SOFT_RESET_SEND, 0);
+ } else if (port->pwr_role == TYPEC_SOURCE) {
+ tcpm_ams_finish(port);
+ tcpm_set_state(port, HARD_RESET_SEND,
+ PD_T_SENDER_RESPONSE);
+ } else {
+ tcpm_ams_finish(port);
+ }
break;
default:
break;
@@ -2601,6 +3374,12 @@ static int tcpm_pd_send_request(struct tcpm_port *port)
if (ret < 0)
return ret;
+ /*
+ * Relax the threshold as voltage will be adjusted after Accept Message plus tSrcTransition.
+ * It is safer to modify the threshold here.
+ */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, 0);
+
memset(&msg, 0, sizeof(msg));
msg.header = PD_HEADER_LE(PD_DATA_REQUEST,
port->pwr_role,
@@ -2698,6 +3477,9 @@ static int tcpm_pd_send_pps_request(struct tcpm_port *port)
if (ret < 0)
return ret;
+ /* Relax the threshold as voltage will be adjusted right after Accept Message. */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, 0);
+
memset(&msg, 0, sizeof(msg));
msg.header = PD_HEADER_LE(PD_DATA_REQUEST,
port->pwr_role,
@@ -2757,13 +3539,6 @@ static bool tcpm_start_toggling(struct tcpm_port *port, enum typec_cc_status cc)
return ret == 0;
}
-static void tcpm_set_cc(struct tcpm_port *port, enum typec_cc_status cc)
-{
- tcpm_log(port, "cc:=%d", cc);
- port->cc_req = cc;
- port->tcpc->set_cc(port->tcpc, cc);
-}
-
static int tcpm_init_vbus(struct tcpm_port *port)
{
int ret;
@@ -2815,8 +3590,9 @@ static int tcpm_src_attach(struct tcpm_port *port)
if (ret < 0)
return ret;
- ret = tcpm_set_roles(port, true, TYPEC_SOURCE,
- tcpm_data_role_for_source(port));
+ tcpm_enable_auto_vbus_discharge(port, true);
+
+ ret = tcpm_set_roles(port, true, TYPEC_SOURCE, tcpm_data_role_for_source(port));
if (ret < 0)
return ret;
@@ -2845,6 +3621,7 @@ static int tcpm_src_attach(struct tcpm_port *port)
port->partner = NULL;
port->attached = true;
+ port->debouncing = false;
port->send_discover = true;
return 0;
@@ -2881,13 +3658,26 @@ static void tcpm_unregister_altmodes(struct tcpm_port *port)
memset(modep, 0, sizeof(*modep));
}
+static void tcpm_set_partner_usb_comm_capable(struct tcpm_port *port, bool capable)
+{
+ tcpm_log(port, "Setting usb_comm capable %s", capable ? "true" : "false");
+
+ if (port->tcpc->set_partner_usb_comm_capable)
+ port->tcpc->set_partner_usb_comm_capable(port->tcpc, capable);
+}
+
static void tcpm_reset_port(struct tcpm_port *port)
{
+ tcpm_enable_auto_vbus_discharge(port, false);
+ port->in_ams = false;
+ port->ams = NONE_AMS;
+ port->vdm_sm_running = false;
tcpm_unregister_altmodes(port);
tcpm_typec_disconnect(port);
port->attached = false;
port->pd_capable = false;
port->pps_data.supported = false;
+ tcpm_set_partner_usb_comm_capable(port, false);
/*
* First Rx ID should be 0; set this to a sentinel of -1 so that
@@ -2946,8 +3736,9 @@ static int tcpm_snk_attach(struct tcpm_port *port)
if (ret < 0)
return ret;
- ret = tcpm_set_roles(port, true, TYPEC_SINK,
- tcpm_data_role_for_sink(port));
+ tcpm_enable_auto_vbus_discharge(port, true);
+
+ ret = tcpm_set_roles(port, true, TYPEC_SINK, tcpm_data_role_for_sink(port));
if (ret < 0)
return ret;
@@ -2956,6 +3747,7 @@ static int tcpm_snk_attach(struct tcpm_port *port)
port->partner = NULL;
port->attached = true;
+ port->debouncing = false;
port->send_discover = true;
return 0;
@@ -2983,6 +3775,7 @@ static int tcpm_acc_attach(struct tcpm_port *port)
tcpm_typec_connect(port);
port->attached = true;
+ port->debouncing = false;
return 0;
}
@@ -3019,14 +3812,15 @@ static inline enum tcpm_state unattached_state(struct tcpm_port *port)
return SNK_UNATTACHED;
}
-static void tcpm_check_send_discover(struct tcpm_port *port)
+bool tcpm_is_toggling(struct tcpm_port *port)
{
- if (port->data_role == TYPEC_HOST && port->send_discover &&
- port->pd_capable) {
- tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0);
- port->send_discover = false;
- }
+ if (port->port_type == TYPEC_PORT_DRP)
+ return port->state == SRC_UNATTACHED || port->state == SNK_UNATTACHED ||
+ port->state == TOGGLING;
+
+ return false;
}
+EXPORT_SYMBOL_GPL(tcpm_is_toggling);
static void tcpm_swap_complete(struct tcpm_port *port, int result)
{
@@ -3055,7 +3849,11 @@ static void run_state_machine(struct tcpm_port *port)
{
int ret;
enum typec_pwr_opmode opmode;
- unsigned int msecs;
+ unsigned int msecs, timer_val_msecs;
+ enum tcpm_state upcoming_state;
+ const char *state_name;
+ u32 current_limit;
+ bool adjust;
port->enter_state = port->state;
switch (port->state) {
@@ -3066,6 +3864,15 @@ static void run_state_machine(struct tcpm_port *port)
if (!port->non_pd_role_swap)
tcpm_swap_complete(port, -ENOTCONN);
tcpm_src_detach(port);
+ if (port->debouncing) {
+ port->debouncing = false;
+ if (port->tcpc->check_contaminant &&
+ port->tcpc->check_contaminant(port->tcpc)) {
+ /* Contaminant detection would handle toggling */
+ tcpm_set_state(port, TOGGLING, 0);
+ break;
+ }
+ }
if (tcpm_start_toggling(port, tcpm_rp_cc(port))) {
tcpm_set_state(port, TOGGLING, 0);
break;
@@ -3075,20 +3882,25 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, SNK_UNATTACHED, PD_T_DRP_SNK);
break;
case SRC_ATTACH_WAIT:
+ port->debouncing = true;
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SRC_ATTACH_WAIT],
+ CC_DEBOUNCE, &timer_val_msecs);
if (tcpm_port_is_debug(port))
tcpm_set_state(port, DEBUG_ACC_ATTACHED,
- PD_T_CC_DEBOUNCE);
+ timer_val_msecs);
else if (tcpm_port_is_audio(port))
tcpm_set_state(port, AUDIO_ACC_ATTACHED,
- PD_T_CC_DEBOUNCE);
- else if (tcpm_port_is_source(port))
+ timer_val_msecs);
+ else if (tcpm_port_is_source(port) && port->vbus_vsafe0v)
tcpm_set_state(port,
tcpm_try_snk(port) ? SNK_TRY
: SRC_ATTACHED,
- PD_T_CC_DEBOUNCE);
+ timer_val_msecs);
break;
case SNK_TRY:
+ port->debouncing = false;
port->try_snk_count++;
/*
* Requirements:
@@ -3111,15 +3923,13 @@ static void run_state_machine(struct tcpm_port *port)
break;
case SNK_TRY_WAIT_DEBOUNCE:
tcpm_set_state(port, SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS,
- PD_T_PD_DEBOUNCE);
+ PD_T_TRY_CC_DEBOUNCE);
break;
case SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS:
- if (port->vbus_present && tcpm_port_is_sink(port)) {
+ if (port->vbus_present && tcpm_port_is_sink(port))
tcpm_set_state(port, SNK_ATTACHED, 0);
- } else {
- tcpm_set_state(port, SRC_TRYWAIT, 0);
+ else
port->max_wait = 0;
- }
break;
case SRC_TRYWAIT:
tcpm_set_cc(port, tcpm_rp_cc(port));
@@ -3138,7 +3948,10 @@ static void run_state_machine(struct tcpm_port *port)
}
break;
case SRC_TRYWAIT_DEBOUNCE:
- tcpm_set_state(port, SRC_ATTACHED, PD_T_CC_DEBOUNCE);
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SRC_TRYWAIT_DEBOUNCE],
+ CC_DEBOUNCE, &timer_val_msecs);
+ tcpm_set_state(port, SRC_ATTACHED, timer_val_msecs);
break;
case SRC_TRYWAIT_UNATTACHED:
tcpm_set_state(port, SNK_UNATTACHED, 0);
@@ -3158,7 +3971,12 @@ static void run_state_machine(struct tcpm_port *port)
port->message_id = 0;
port->rx_msgid = -1;
port->explicit_contract = false;
- tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0);
+ /* SNK -> SRC POWER/FAST_ROLE_SWAP finished */
+ if (port->ams == POWER_ROLE_SWAP ||
+ port->ams == FAST_ROLE_SWAP)
+ tcpm_ams_finish(port);
+ port->upcoming_state = SRC_SEND_CAPABILITIES;
+ tcpm_ams_start(port, POWER_NEGOTIATION);
break;
case SRC_SEND_CAPABILITIES:
port->caps_count++;
@@ -3219,6 +4037,8 @@ static void run_state_machine(struct tcpm_port *port)
}
} else {
tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ tcpm_set_partner_usb_comm_capable(port,
+ !!(port->sink_request & RDO_USB_COMM));
tcpm_set_state(port, SRC_TRANSITION_SUPPLY,
PD_T_SRC_TRANSITION);
}
@@ -3240,7 +4060,36 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_swap_complete(port, 0);
tcpm_typec_connect(port);
- tcpm_check_send_discover(port);
+ if (port->ams != NONE_AMS)
+ tcpm_ams_finish(port);
+ if (port->next_ams != NONE_AMS) {
+ port->ams = port->next_ams;
+ port->next_ams = NONE_AMS;
+ }
+
+ /*
+ * If previous AMS is interrupted, switch to the upcoming
+ * state.
+ */
+ if (port->upcoming_state != INVALID_STATE) {
+ upcoming_state = port->upcoming_state;
+ port->upcoming_state = INVALID_STATE;
+ tcpm_set_state(port, upcoming_state, 0);
+ break;
+ }
+
+ /*
+ * 6.4.4.3.1 Discover Identity
+ * "The Discover Identity Command Shall only be sent to SOP when there is an
+ * Explicit Contract."
+ * For now, this driver only supports SOP for DISCOVER_IDENTITY, thus using
+ * port->explicit_contract to decide whether to send the command.
+ */
+ if (port->explicit_contract)
+ mod_send_discover_delayed_work(port, 0);
+ else
+ port->send_discover = false;
+
/*
* 6.3.5
* Sending ping messages is not necessary if
@@ -3265,6 +4114,15 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_swap_complete(port, -ENOTCONN);
tcpm_pps_complete(port, -ENOTCONN);
tcpm_snk_detach(port);
+ if (port->debouncing) {
+ port->debouncing = false;
+ if (port->tcpc->check_contaminant &&
+ port->tcpc->check_contaminant(port->tcpc)) {
+ /* Contaminant detection would handle toggling */
+ tcpm_set_state(port, TOGGLING, 0);
+ break;
+ }
+ }
if (tcpm_start_toggling(port, TYPEC_CC_RD)) {
tcpm_set_state(port, TOGGLING, 0);
break;
@@ -3274,25 +4132,33 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, SRC_UNATTACHED, PD_T_DRP_SRC);
break;
case SNK_ATTACH_WAIT:
+ port->debouncing = true;
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_ATTACH_WAIT],
+ CC_DEBOUNCE, &timer_val_msecs);
if ((port->cc1 == TYPEC_CC_OPEN &&
port->cc2 != TYPEC_CC_OPEN) ||
(port->cc1 != TYPEC_CC_OPEN &&
port->cc2 == TYPEC_CC_OPEN))
tcpm_set_state(port, SNK_DEBOUNCED,
- PD_T_CC_DEBOUNCE);
+ timer_val_msecs);
else if (tcpm_port_is_disconnected(port))
tcpm_set_state(port, SNK_UNATTACHED,
- PD_T_PD_DEBOUNCE);
+ timer_val_msecs);
break;
case SNK_DEBOUNCED:
- if (tcpm_port_is_disconnected(port))
+ if (tcpm_port_is_disconnected(port)) {
tcpm_set_state(port, SNK_UNATTACHED,
PD_T_PD_DEBOUNCE);
- else if (port->vbus_present)
+ } else if (port->vbus_present) {
tcpm_set_state(port,
tcpm_try_src(port) ? SRC_TRY
: SNK_ATTACHED,
0);
+ port->debouncing = false;
+ } else {
+ port->debouncing = false;
+ }
break;
case SRC_TRY:
port->try_src_count++;
@@ -3318,8 +4184,11 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, SRC_ATTACHED, PD_T_PD_DEBOUNCE);
break;
case SNK_TRYWAIT:
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_TRYWAIT],
+ CC_DEBOUNCE, &timer_val_msecs);
tcpm_set_cc(port, TYPEC_CC_RD);
- tcpm_set_state(port, SNK_TRYWAIT_VBUS, PD_T_CC_DEBOUNCE);
+ tcpm_set_state(port, SNK_TRYWAIT_VBUS, timer_val_msecs);
break;
case SNK_TRYWAIT_VBUS:
/*
@@ -3353,13 +4222,28 @@ static void run_state_machine(struct tcpm_port *port)
port->message_id = 0;
port->rx_msgid = -1;
port->explicit_contract = false;
- tcpm_set_state(port, SNK_DISCOVERY, 0);
+
+ if (port->ams == POWER_ROLE_SWAP ||
+ port->ams == FAST_ROLE_SWAP)
+ /* SRC -> SNK POWER/FAST_ROLE_SWAP finished */
+ tcpm_ams_finish(port);
+
+ timer_val_msecs = 0;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_STARTUP],
+ SINK_DISCOVERY_BC12, &timer_val_msecs);
+ tcpm_set_state(port, SNK_DISCOVERY, timer_val_msecs);
break;
case SNK_DISCOVERY:
if (port->vbus_present) {
- tcpm_set_current_limit(port,
- tcpm_get_current_limit(port),
- 5000);
+ current_limit = tcpm_get_current_limit(port);
+ trace_android_vh_typec_tcpm_adj_current_limit(tcpm_states[SNK_DISCOVERY],
+ port->current_limit,
+ port->supply_voltage,
+ port->pd_capable,
+ ¤t_limit, &adjust);
+ if (port->slow_charger_loop && (current_limit > PD_P_SNK_STDBY_MW / 5))
+ current_limit = PD_P_SNK_STDBY_MW / 5;
+ tcpm_set_current_limit(port, current_limit, 5000);
tcpm_set_charge(port, true);
tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
break;
@@ -3374,8 +4258,10 @@ static void run_state_machine(struct tcpm_port *port)
PD_T_DB_DETECT : PD_T_NO_RESPONSE);
break;
case SNK_DISCOVERY_DEBOUNCE:
- tcpm_set_state(port, SNK_DISCOVERY_DEBOUNCE_DONE,
- PD_T_CC_DEBOUNCE);
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_DISCOVERY_DEBOUNCE],
+ CC_DEBOUNCE, &timer_val_msecs);
+ tcpm_set_state(port, SNK_DISCOVERY_DEBOUNCE_DONE, timer_val_msecs);
break;
case SNK_DISCOVERY_DEBOUNCE_DONE:
if (!tcpm_port_is_disconnected(port) &&
@@ -3393,6 +4279,9 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, SNK_READY, 0);
break;
}
+ timer_val_msecs = PD_T_SINK_WAIT_CAP;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SNK_WAIT_CAPABILITIES],
+ SINK_WAIT_CAP, &timer_val_msecs);
/*
* If VBUS has never been low, and we time out waiting
* for source cap, try a soft reset first, in case we
@@ -3401,18 +4290,24 @@ static void run_state_machine(struct tcpm_port *port)
*/
if (port->vbus_never_low) {
port->vbus_never_low = false;
- tcpm_set_state(port, SOFT_RESET_SEND,
- PD_T_SINK_WAIT_CAP);
+ tcpm_set_state(port, SNK_SOFT_RESET,
+ timer_val_msecs);
} else {
tcpm_set_state(port, hard_reset_state(port),
- PD_T_SINK_WAIT_CAP);
+ timer_val_msecs);
}
break;
case SNK_NEGOTIATE_CAPABILITIES:
port->pd_capable = true;
+ tcpm_set_partner_usb_comm_capable(port,
+ !!(port->source_caps[0] & PDO_FIXED_USB_COMM));
port->hard_reset_count = 0;
ret = tcpm_pd_send_request(port);
if (ret < 0) {
+ /* Restore back to the original state */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+ port->pps_data.active,
+ port->supply_voltage);
/* Let the Source send capabilities again. */
tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
} else {
@@ -3423,6 +4318,10 @@ static void run_state_machine(struct tcpm_port *port)
case SNK_NEGOTIATE_PPS_CAPABILITIES:
ret = tcpm_pd_send_pps_request(port);
if (ret < 0) {
+ /* Restore back to the original state */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_PD,
+ port->pps_data.active,
+ port->supply_voltage);
port->pps_status = ret;
/*
* If this was called due to updates to sink
@@ -3439,6 +4338,23 @@ static void run_state_machine(struct tcpm_port *port)
}
break;
case SNK_TRANSITION_SINK:
+ /* From the USB PD spec:
+ * "The Sink Shall transition to Sink Standby before a positive or
+ * negative voltage transition of VBUS. During Sink Standby
+ * the Sink Shall reduce its power draw to pSnkStdby."
+ *
+ * This is not applicable to PPS though as the port can continue
+ * to draw negotiated power without switching to standby.
+ */
+ if (port->supply_voltage != port->req_supply_voltage && !port->pps_data.active &&
+ port->current_limit * port->supply_voltage / 1000 > PD_P_SNK_STDBY_MW) {
+ u32 stdby_ma = PD_P_SNK_STDBY_MW * 1000 / port->supply_voltage;
+
+ tcpm_log(port, "Setting standby current %u mV @ %u mA",
+ port->supply_voltage, stdby_ma);
+ tcpm_set_current_limit(port, stdby_ma, port->supply_voltage);
+ }
+ fallthrough;
case SNK_TRANSITION_SINK_VBUS:
tcpm_set_state(port, hard_reset_state(port),
PD_T_PS_TRANSITION);
@@ -3452,11 +4368,54 @@ static void run_state_machine(struct tcpm_port *port)
port->pwr_opmode = TYPEC_PWR_MODE_PD;
}
+ current_limit = tcpm_get_current_limit(port);
+ adjust = false;
+ trace_android_vh_typec_tcpm_adj_current_limit(tcpm_states[SNK_READY],
+ port->current_limit,
+ port->supply_voltage,
+ port->pd_capable,
+ ¤t_limit,
+ &adjust);
+ if (adjust)
+ tcpm_set_current_limit(port, current_limit, 5000);
+
+ if (!port->pd_capable && port->slow_charger_loop)
+ tcpm_set_current_limit(port, tcpm_get_current_limit(port), 5000);
tcpm_swap_complete(port, 0);
tcpm_typec_connect(port);
- tcpm_check_send_discover(port);
mod_enable_frs_delayed_work(port, 0);
tcpm_pps_complete(port, port->pps_status);
+
+ if (port->ams != NONE_AMS)
+ tcpm_ams_finish(port);
+ if (port->next_ams != NONE_AMS) {
+ port->ams = port->next_ams;
+ port->next_ams = NONE_AMS;
+ }
+
+ /*
+ * If previous AMS is interrupted, switch to the upcoming
+ * state.
+ */
+ if (port->upcoming_state != INVALID_STATE) {
+ upcoming_state = port->upcoming_state;
+ port->upcoming_state = INVALID_STATE;
+ tcpm_set_state(port, upcoming_state, 0);
+ break;
+ }
+
+ /*
+ * 6.4.4.3.1 Discover Identity
+ * "The Discover Identity Command Shall only be sent to SOP when there is an
+ * Explicit Contract."
+ * For now, this driver only supports SOP for DISCOVER_IDENTITY, thus using
+ * port->explicit_contract.
+ */
+ if (port->explicit_contract)
+ mod_send_discover_delayed_work(port, 0);
+ else
+ port->send_discover = false;
+
power_supply_changed(port->psy);
break;
@@ -3472,13 +4431,22 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, ACC_UNATTACHED, 0);
break;
case AUDIO_ACC_DEBOUNCE:
- tcpm_set_state(port, ACC_UNATTACHED, PD_T_CC_DEBOUNCE);
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[AUDIO_ACC_DEBOUNCE],
+ CC_DEBOUNCE, &timer_val_msecs);
+ tcpm_set_state(port, ACC_UNATTACHED, timer_val_msecs);
break;
/* Hard_Reset states */
case HARD_RESET_SEND:
- tcpm_pd_transmit(port, TCPC_TX_HARD_RESET, NULL);
- tcpm_set_state(port, HARD_RESET_START, 0);
+ if (port->ams != NONE_AMS)
+ tcpm_ams_finish(port);
+ /*
+ * State machine will be directed to HARD_RESET_START,
+ * thus set upcoming_state to INVALID_STATE.
+ */
+ port->upcoming_state = INVALID_STATE;
+ tcpm_ams_start(port, HARD_RESET);
break;
case HARD_RESET_START:
port->sink_cap_done = false;
@@ -3522,11 +4490,15 @@ static void run_state_machine(struct tcpm_port *port)
case SRC_HARD_RESET_VBUS_ON:
tcpm_set_vconn(port, true);
tcpm_set_vbus(port, true);
+ if (port->ams == HARD_RESET)
+ tcpm_ams_finish(port);
port->tcpc->set_pd_rx(port->tcpc, true);
tcpm_set_attached_state(port, true);
tcpm_set_state(port, SRC_UNATTACHED, PD_T_PS_SOURCE_ON);
break;
case SNK_HARD_RESET_SINK_OFF:
+ /* Do not discharge/disconnect during hard reseet */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, 0);
memset(&port->pps_data, 0, sizeof(port->pps_data));
tcpm_set_vconn(port, false);
if (port->pd_capable)
@@ -3541,6 +4513,8 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, SNK_HARD_RESET_SINK_ON, PD_T_SAFE_0V);
break;
case SNK_HARD_RESET_WAIT_VBUS:
+ if (port->ams == HARD_RESET)
+ tcpm_ams_finish(port);
/* Assume we're disconnected if VBUS doesn't come back. */
tcpm_set_state(port, SNK_UNATTACHED,
PD_T_SRC_RECOVER_MAX + PD_T_SRC_TURN_ON);
@@ -3568,7 +4542,10 @@ static void run_state_machine(struct tcpm_port *port)
5000);
tcpm_set_charge(port, true);
}
+ if (port->ams == HARD_RESET)
+ tcpm_ams_finish(port);
tcpm_set_attached_state(port, true);
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, VSAFE5V);
tcpm_set_state(port, SNK_STARTUP, 0);
break;
@@ -3577,10 +4554,20 @@ static void run_state_machine(struct tcpm_port *port)
port->message_id = 0;
port->rx_msgid = -1;
tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
- if (port->pwr_role == TYPEC_SOURCE)
- tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0);
- else
+ tcpm_ams_finish(port);
+ if (port->pwr_role == TYPEC_SOURCE) {
+ port->upcoming_state = SRC_SEND_CAPABILITIES;
+ tcpm_ams_start(port, POWER_NEGOTIATION);
+ } else {
tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
+ }
+ break;
+ case SRC_SOFT_RESET_WAIT_SNK_TX:
+ case SNK_SOFT_RESET:
+ if (port->ams != NONE_AMS)
+ tcpm_ams_finish(port);
+ port->upcoming_state = SOFT_RESET_SEND;
+ tcpm_ams_start(port, SOFT_RESET_AMS);
break;
case SOFT_RESET_SEND:
port->message_id = 0;
@@ -3595,15 +4582,21 @@ static void run_state_machine(struct tcpm_port *port)
/* DR_Swap states */
case DR_SWAP_SEND:
tcpm_pd_send_control(port, PD_CTRL_DR_SWAP);
+ if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
+ port->send_discover = true;
tcpm_set_state_cond(port, DR_SWAP_SEND_TIMEOUT,
PD_T_SENDER_RESPONSE);
break;
case DR_SWAP_ACCEPT:
tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ if (port->data_role == TYPEC_DEVICE || port->negotiated_rev > PD_REV20)
+ port->send_discover = true;
tcpm_set_state_cond(port, DR_SWAP_CHANGE_DR, 0);
break;
case DR_SWAP_SEND_TIMEOUT:
tcpm_swap_complete(port, -ETIMEDOUT);
+ port->send_discover = false;
+ tcpm_ams_finish(port);
tcpm_set_state(port, ready_state(port), 0);
break;
case DR_SWAP_CHANGE_DR:
@@ -3614,8 +4607,8 @@ static void run_state_machine(struct tcpm_port *port)
} else {
tcpm_set_roles(port, true, port->pwr_role,
TYPEC_HOST);
- port->send_discover = true;
}
+ tcpm_ams_finish(port);
tcpm_set_state(port, ready_state(port), 0);
break;
@@ -3630,7 +4623,10 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, ERROR_RECOVERY, 0);
break;
case FR_SWAP_SNK_SRC_TRANSITION_TO_OFF:
- tcpm_set_state(port, ERROR_RECOVERY, PD_T_PS_SOURCE_OFF);
+ timer_val_msecs = PD_T_PS_SOURCE_OFF;
+ state_name = tcpm_states[FR_SWAP_SNK_SRC_TRANSITION_TO_OFF];
+ trace_android_vh_typec_tcpm_get_timer(state_name, SOURCE_OFF, &timer_val_msecs);
+ tcpm_set_state(port, ERROR_RECOVERY, timer_val_msecs);
break;
case FR_SWAP_SNK_SRC_NEW_SINK_READY:
if (port->vbus_source)
@@ -3663,6 +4659,7 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, ready_state(port), 0);
break;
case PR_SWAP_START:
+ tcpm_apply_rc(port);
if (port->pwr_role == TYPEC_SOURCE)
tcpm_set_state(port, PR_SWAP_SRC_SNK_TRANSITION_OFF,
PD_T_SRC_TRANSITION);
@@ -3670,6 +4667,10 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, PR_SWAP_SNK_SRC_SINK_OFF, 0);
break;
case PR_SWAP_SRC_SNK_TRANSITION_OFF:
+ /*
+ * Prevent vbus discharge circuit from turning on during PR_SWAP
+ * as this is not a disconnect.
+ */
tcpm_set_vbus(port, false);
port->explicit_contract = false;
/* allow time for Vbus discharge, must be < tSrcSwapStdby */
@@ -3677,10 +4678,13 @@ static void run_state_machine(struct tcpm_port *port)
PD_T_SRCSWAPSTDBY);
break;
case PR_SWAP_SRC_SNK_SOURCE_OFF:
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[PR_SWAP_SRC_SNK_SOURCE_OFF],
+ CC_DEBOUNCE, &timer_val_msecs);
tcpm_set_cc(port, TYPEC_CC_RD);
/* allow CC debounce */
tcpm_set_state(port, PR_SWAP_SRC_SNK_SOURCE_OFF_CC_DEBOUNCED,
- PD_T_CC_DEBOUNCE);
+ timer_val_msecs);
break;
case PR_SWAP_SRC_SNK_SOURCE_OFF_CC_DEBOUNCED:
/*
@@ -3695,17 +4699,29 @@ static void run_state_machine(struct tcpm_port *port)
tcpm_set_state(port, ERROR_RECOVERY, 0);
break;
}
- tcpm_set_state_cond(port, SNK_UNATTACHED, PD_T_PS_SOURCE_ON);
+ tcpm_set_state(port, ERROR_RECOVERY, PD_T_PS_SOURCE_ON_PRS);
break;
case PR_SWAP_SRC_SNK_SINK_ON:
+ tcpm_enable_auto_vbus_discharge(port, true);
+ /* Set the vbus disconnect threshold for implicit contract */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB, false, VSAFE5V);
tcpm_set_state(port, SNK_STARTUP, 0);
break;
case PR_SWAP_SNK_SRC_SINK_OFF:
+ timer_val_msecs = PD_T_PS_SOURCE_OFF;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[PR_SWAP_SNK_SRC_SINK_OFF],
+ SOURCE_OFF, &timer_val_msecs);
+ /*
+ * Prevent vbus discharge circuit from turning on during PR_SWAP
+ * as this is not a disconnect.
+ */
+ tcpm_set_auto_vbus_discharge_threshold(port, TYPEC_PWR_MODE_USB,
+ port->pps_data.active, 0);
tcpm_set_charge(port, false);
- tcpm_set_state(port, hard_reset_state(port),
- PD_T_PS_SOURCE_OFF);
+ tcpm_set_state(port, hard_reset_state(port), timer_val_msecs);
break;
case PR_SWAP_SNK_SRC_SOURCE_ON:
+ tcpm_enable_auto_vbus_discharge(port, true);
tcpm_set_cc(port, tcpm_rp_cc(port));
tcpm_set_vbus(port, true);
/*
@@ -3731,6 +4747,7 @@ static void run_state_machine(struct tcpm_port *port)
case VCONN_SWAP_ACCEPT:
tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+ tcpm_ams_finish(port);
tcpm_set_state(port, VCONN_SWAP_START, 0);
break;
case VCONN_SWAP_SEND:
@@ -3831,9 +4848,31 @@ static void run_state_machine(struct tcpm_port *port)
PD_T_ERROR_RECOVERY);
break;
case PORT_RESET_WAIT_OFF:
+ timer_val_msecs = PD_T_PS_SOURCE_OFF;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[PORT_RESET_WAIT_OFF],
+ SOURCE_OFF, &timer_val_msecs);
tcpm_set_state(port,
tcpm_default_state(port),
- port->vbus_present ? PD_T_PS_SOURCE_OFF : 0);
+ port->vbus_present ? timer_val_msecs : 0);
+ break;
+
+ /* AMS intermediate state */
+ case AMS_START:
+ if (port->upcoming_state == INVALID_STATE) {
+ tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ?
+ SRC_READY : SNK_READY, 0);
+ break;
+ }
+
+ upcoming_state = port->upcoming_state;
+ port->upcoming_state = INVALID_STATE;
+ tcpm_set_state(port, upcoming_state, 0);
+ break;
+
+ /* Chunk state */
+ case CHUNK_NOT_SUPP:
+ tcpm_pd_send_control(port, PD_CTRL_NOT_SUPP);
+ tcpm_set_state(port, port->pwr_role == TYPEC_SOURCE ? SRC_READY : SNK_READY, 0);
break;
default:
WARN(1, "Unexpected port state %d\n", port->state);
@@ -3924,9 +4963,9 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
if (tcpm_port_is_disconnected(port) ||
!tcpm_port_is_source(port)) {
if (port->port_type == TYPEC_PORT_SRC)
- tcpm_set_state(port, SRC_UNATTACHED, 0);
+ tcpm_set_state(port, SRC_UNATTACHED, tcpm_wait_for_discharge(port));
else
- tcpm_set_state(port, SNK_UNATTACHED, 0);
+ tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port));
}
break;
case SNK_UNATTACHED:
@@ -3957,7 +4996,23 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
tcpm_set_state(port, SNK_DEBOUNCED, 0);
break;
case SNK_READY:
- if (tcpm_port_is_disconnected(port))
+ /*
+ * EXIT condition is based primarily on vbus disconnect and CC is secondary.
+ * "A port that has entered into USB PD communications with the Source and
+ * has seen the CC voltage exceed vRd-USB may monitor the CC pin to detect
+ * cable disconnect in addition to monitoring VBUS.
+ *
+ * A port that is monitoring the CC voltage for disconnect (but is not in
+ * the process of a USB PD PR_Swap or USB PD FR_Swap) shall transition to
+ * Unattached.SNK within tSinkDisconnect after the CC voltage remains below
+ * vRd-USB for tPDDebounce."
+ *
+ * When set_auto_vbus_discharge_threshold is enabled, CC pins go
+ * away before vbus decays to disconnect threshold. Allow
+ * disconnect to be driven by vbus disconnect when auto vbus
+ * discharge is enabled.
+ */
+ if (!port->auto_vbus_discharge_enabled && tcpm_port_is_disconnected(port))
tcpm_set_state(port, unattached_state(port), 0);
else if (!port->pd_capable &&
(cc1 != old_cc1 || cc2 != old_cc2))
@@ -4022,6 +5077,12 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
if (!tcpm_port_is_sink(port))
tcpm_set_state(port, SNK_TRYWAIT_DEBOUNCE, 0);
break;
+ case SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS:
+ if (!tcpm_port_is_sink(port))
+ tcpm_set_state(port, SRC_TRYWAIT, PD_T_TRY_CC_DEBOUNCE);
+ else
+ tcpm_set_state(port, SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS, 0);
+ break;
case SNK_TRYWAIT:
/* Do nothing, waiting for tCCDebounce */
break;
@@ -4050,9 +5111,13 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
* Ignore CC changes here.
*/
break;
-
default:
- if (tcpm_port_is_disconnected(port))
+ /*
+ * While acting as sink and auto vbus discharge is enabled, Allow disconnect
+ * to be driven by vbus disconnect.
+ */
+ if (tcpm_port_is_disconnected(port) && !(port->pwr_role == TYPEC_SINK &&
+ port->auto_vbus_discharge_enabled))
tcpm_set_state(port, unattached_state(port), 0);
break;
}
@@ -4062,6 +5127,12 @@ static void _tcpm_pd_vbus_on(struct tcpm_port *port)
{
tcpm_log_force(port, "VBUS on");
port->vbus_present = true;
+ /*
+ * When vbus_present is true i.e. Voltage at VBUS is greater than VSAFE5V implicitly
+ * states that vbus is not at VSAFE0V, hence clear the vbus_vsafe0v flag here.
+ */
+ port->vbus_vsafe0v = false;
+
switch (port->state) {
case SNK_TRANSITION_SINK_VBUS:
port->explicit_contract = true;
@@ -4108,11 +5179,24 @@ static void _tcpm_pd_vbus_on(struct tcpm_port *port)
case SNK_TRYWAIT_DEBOUNCE:
/* Do nothing, waiting for Rp */
break;
+ case SNK_TRY_WAIT_DEBOUNCE_CHECK_VBUS:
+ if (port->vbus_present && tcpm_port_is_sink(port))
+ tcpm_set_state(port, SNK_ATTACHED, 0);
+ break;
case SRC_TRY_WAIT:
case SRC_TRY_DEBOUNCE:
/* Do nothing, waiting for sink detection */
break;
+ case FR_SWAP_SEND:
+ case FR_SWAP_SEND_TIMEOUT:
+ case FR_SWAP_SNK_SRC_TRANSITION_TO_OFF:
+ case FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED:
+ if (port->tcpc->frs_sourcing_vbus)
+ port->tcpc->frs_sourcing_vbus(port->tcpc);
+ break;
case FR_SWAP_SNK_SRC_NEW_SINK_READY:
+ if (port->tcpc->frs_sourcing_vbus)
+ port->tcpc->frs_sourcing_vbus(port->tcpc);
tcpm_set_state(port, FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED, 0);
break;
@@ -4138,16 +5222,8 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
case SNK_HARD_RESET_SINK_OFF:
tcpm_set_state(port, SNK_HARD_RESET_WAIT_VBUS, 0);
break;
- case SRC_HARD_RESET_VBUS_OFF:
- /*
- * After establishing the vSafe0V voltage condition on VBUS, the Source Shall wait
- * tSrcRecover before re-applying VCONN and restoring VBUS to vSafe5V.
- */
- tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SRC_RECOVER);
- break;
case HARD_RESET_SEND:
break;
-
case SNK_TRY:
/* Do nothing, waiting for timeout */
break;
@@ -4164,6 +5240,7 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
case SNK_TRYWAIT_DEBOUNCE:
break;
case SNK_ATTACH_WAIT:
+ port->debouncing = false;
tcpm_set_state(port, SNK_UNATTACHED, 0);
break;
@@ -4178,6 +5255,14 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
/* Do nothing, expected */
break;
+ case PR_SWAP_SNK_SRC_SOURCE_ON:
+ /*
+ * Do nothing when vbus off notification is received.
+ * TCPM can wait for PD_T_NEWSRC in PR_SWAP_SNK_SRC_SOURCE_ON
+ * for the vbus source to ramp up.
+ */
+ break;
+
case PORT_RESET_WAIT_OFF:
tcpm_set_state(port, tcpm_default_state(port), 0);
break;
@@ -4187,6 +5272,25 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
/* Do nothing, waiting for sink detection */
break;
+ case SRC_STARTUP:
+ case SRC_SEND_CAPABILITIES:
+ case SRC_SEND_CAPABILITIES_TIMEOUT:
+ case SRC_NEGOTIATE_CAPABILITIES:
+ case SRC_TRANSITION_SUPPLY:
+ case SRC_READY:
+ case SRC_WAIT_NEW_CAPABILITIES:
+ /*
+ * Force to unattached state to re-initiate connection.
+ * DRP port should move to Unattached.SNK instead of Unattached.SRC if
+ * sink removed. Although sink removal here is due to source's vbus collapse,
+ * treat it the same way for consistency.
+ */
+ if (port->port_type == TYPEC_PORT_SRC)
+ tcpm_set_state(port, SRC_UNATTACHED, tcpm_wait_for_discharge(port));
+ else
+ tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port));
+ break;
+
case PORT_RESET:
/*
* State set back to default mode once the timer completes.
@@ -4203,8 +5307,54 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
break;
default:
- if (port->pwr_role == TYPEC_SINK &&
- port->attached)
+ if (port->pwr_role == TYPEC_SINK && port->attached)
+ tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port));
+ break;
+ }
+}
+
+static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port)
+{
+ unsigned int timer_val_msecs;
+
+ tcpm_log_force(port, "VBUS VSAFE0V");
+ port->vbus_vsafe0v = true;
+ switch (port->state) {
+ case SRC_HARD_RESET_VBUS_OFF:
+ /*
+ * After establishing the vSafe0V voltage condition on VBUS, the Source Shall wait
+ * tSrcRecover before re-applying VCONN and restoring VBUS to vSafe5V.
+ */
+ tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SRC_RECOVER);
+ break;
+ case SRC_ATTACH_WAIT:
+ timer_val_msecs = PD_T_CC_DEBOUNCE;
+ trace_android_vh_typec_tcpm_get_timer(tcpm_states[SRC_ATTACH_WAIT],
+ CC_DEBOUNCE, &timer_val_msecs);
+ if (tcpm_port_is_source(port))
+ tcpm_set_state(port, tcpm_try_snk(port) ? SNK_TRY : SRC_ATTACHED,
+ timer_val_msecs);
+ break;
+ case SRC_STARTUP:
+ case SRC_SEND_CAPABILITIES:
+ case SRC_SEND_CAPABILITIES_TIMEOUT:
+ case SRC_NEGOTIATE_CAPABILITIES:
+ case SRC_TRANSITION_SUPPLY:
+ case SRC_READY:
+ case SRC_WAIT_NEW_CAPABILITIES:
+ if (port->auto_vbus_discharge_enabled) {
+ if (port->port_type == TYPEC_PORT_SRC)
+ tcpm_set_state(port, SRC_UNATTACHED, 0);
+ else
+ tcpm_set_state(port, SNK_UNATTACHED, 0);
+ }
+ break;
+ case PR_SWAP_SNK_SRC_SINK_OFF:
+ case PR_SWAP_SNK_SRC_SOURCE_ON:
+ /* Do nothing, vsafe0v is expected during transition */
+ break;
+ default:
+ if (port->pwr_role == TYPEC_SINK && port->auto_vbus_discharge_enabled)
tcpm_set_state(port, SNK_UNATTACHED, 0);
break;
}
@@ -4216,6 +5366,10 @@ static void _tcpm_pd_hard_reset(struct tcpm_port *port)
if (port->bist_request == BDO_MODE_TESTDATA && port->tcpc->set_bist_data)
port->tcpc->set_bist_data(port->tcpc, false);
+ if (port->ams != NONE_AMS)
+ port->ams = NONE_AMS;
+ if (port->hard_reset_count < PD_N_HARD_RESET_COUNT)
+ port->ams = HARD_RESET;
/*
* If we keep receiving hard reset requests, executing the hard reset
* must have failed. Revert to error recovery if that happens.
@@ -4245,10 +5399,19 @@ static void tcpm_pd_event_handler(struct kthread_work *work)
bool vbus;
vbus = port->tcpc->get_vbus(port->tcpc);
- if (vbus)
+ if (vbus) {
_tcpm_pd_vbus_on(port);
- else
+ } else {
_tcpm_pd_vbus_off(port);
+ /*
+ * When TCPC does not support detecting vsafe0v voltage level,
+ * treat vbus absent as vsafe0v. Else invoke is_vbus_vsafe0v
+ * to see if vbus has discharge to VSAFE0V.
+ */
+ if (!port->tcpc->is_vbus_vsafe0v ||
+ port->tcpc->is_vbus_vsafe0v(port->tcpc))
+ _tcpm_pd_vbus_vsafe0v(port);
+ }
}
if (events & TCPM_CC_EVENT) {
enum typec_cc_status cc1, cc2;
@@ -4257,10 +5420,16 @@ static void tcpm_pd_event_handler(struct kthread_work *work)
_tcpm_cc_change(port, cc1, cc2);
}
if (events & TCPM_FRS_EVENT) {
- if (port->state == SNK_READY)
- tcpm_set_state(port, FR_SWAP_SEND, 0);
- else
+ if (port->state == SNK_READY) {
+ int ret;
+
+ port->upcoming_state = FR_SWAP_SEND;
+ ret = tcpm_ams_start(port, FAST_ROLE_SWAP);
+ if (ret == -EAGAIN)
+ port->upcoming_state = INVALID_STATE;
+ } else {
tcpm_log(port, "Discarding FRS_SIGNAL! Not in sink ready");
+ }
}
if (events & TCPM_SOURCING_VBUS) {
tcpm_log(port, "sourcing vbus");
@@ -4329,6 +5498,7 @@ EXPORT_SYMBOL_GPL(tcpm_sourcing_vbus);
static void tcpm_enable_frs_work(struct kthread_work *work)
{
struct tcpm_port *port = container_of(work, struct tcpm_port, enable_frs);
+ int ret;
mutex_lock(&port->lock);
/* Not FRS capable */
@@ -4340,18 +5510,49 @@ static void tcpm_enable_frs_work(struct kthread_work *work)
goto unlock;
/* Send when the state machine is idle */
- if (port->state != SNK_READY || port->vdm_state != VDM_STATE_DONE || port->send_discover)
+ if (port->state != SNK_READY || port->vdm_sm_running || port->send_discover)
goto resched;
- tcpm_set_state(port, GET_SINK_CAP, 0);
- port->sink_cap_done = true;
-
+ port->upcoming_state = GET_SINK_CAP;
+ ret = tcpm_ams_start(port, GET_SINK_CAPABILITIES);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ } else {
+ port->sink_cap_done = true;
+ goto unlock;
+ }
resched:
mod_enable_frs_delayed_work(port, GET_SINK_CAP_RETRY_MS);
unlock:
mutex_unlock(&port->lock);
}
+static void tcpm_send_discover_work(struct kthread_work *work)
+{
+ struct tcpm_port *port = container_of(work, struct tcpm_port, send_discover_work);
+
+ mutex_lock(&port->lock);
+ /* No need to send DISCOVER_IDENTITY anymore */
+ if (!port->send_discover)
+ goto unlock;
+
+ if (port->data_role == TYPEC_DEVICE && port->negotiated_rev < PD_REV30) {
+ port->send_discover = false;
+ goto unlock;
+ }
+
+ /* Retry if the port is not idle */
+ if ((port->state != SRC_READY && port->state != SNK_READY) || port->vdm_sm_running) {
+ mod_send_discover_delayed_work(port, SEND_DISCOVER_RETRY_MS);
+ goto unlock;
+ }
+
+ tcpm_send_vdm(port, USB_SID_PD, CMD_DISCOVER_IDENT, NULL, 0);
+
+unlock:
+ mutex_unlock(&port->lock);
+}
+
static int tcpm_dr_set(struct typec_port *p, enum typec_data_role data)
{
struct tcpm_port *port = typec_get_drvdata(p);
@@ -4395,7 +5596,12 @@ static int tcpm_dr_set(struct typec_port *p, enum typec_data_role data)
port->non_pd_role_swap = true;
tcpm_set_state(port, PORT_RESET, 0);
} else {
- tcpm_set_state(port, DR_SWAP_SEND, 0);
+ port->upcoming_state = DR_SWAP_SEND;
+ ret = tcpm_ams_start(port, DATA_ROLE_SWAP);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ goto port_unlock;
+ }
}
port->swap_status = 0;
@@ -4441,10 +5647,16 @@ static int tcpm_pr_set(struct typec_port *p, enum typec_role role)
goto port_unlock;
}
+ port->upcoming_state = PR_SWAP_SEND;
+ ret = tcpm_ams_start(port, POWER_ROLE_SWAP);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ goto port_unlock;
+ }
+
port->swap_status = 0;
port->swap_pending = true;
reinit_completion(&port->swap_complete);
- tcpm_set_state(port, PR_SWAP_SEND, 0);
mutex_unlock(&port->lock);
if (!wait_for_completion_timeout(&port->swap_complete,
@@ -4480,10 +5692,16 @@ static int tcpm_vconn_set(struct typec_port *p, enum typec_role role)
goto port_unlock;
}
+ port->upcoming_state = VCONN_SWAP_SEND;
+ ret = tcpm_ams_start(port, VCONN_SWAP);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ goto port_unlock;
+ }
+
port->swap_status = 0;
port->swap_pending = true;
reinit_completion(&port->swap_complete);
- tcpm_set_state(port, VCONN_SWAP_SEND, 0);
mutex_unlock(&port->lock);
if (!wait_for_completion_timeout(&port->swap_complete,
@@ -4548,6 +5766,13 @@ static int tcpm_pps_set_op_curr(struct tcpm_port *port, u16 req_op_curr)
goto port_unlock;
}
+ port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+ ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ goto port_unlock;
+ }
+
/* Round down operating current to align with PPS valid steps */
req_op_curr = req_op_curr - (req_op_curr % RDO_PROG_CURR_MA_STEP);
@@ -4555,7 +5780,6 @@ static int tcpm_pps_set_op_curr(struct tcpm_port *port, u16 req_op_curr)
port->pps_data.req_op_curr = req_op_curr;
port->pps_status = 0;
port->pps_pending = true;
- tcpm_set_state(port, SNK_NEGOTIATE_PPS_CAPABILITIES, 0);
mutex_unlock(&port->lock);
if (!wait_for_completion_timeout(&port->pps_complete,
@@ -4604,6 +5828,13 @@ static int tcpm_pps_set_out_volt(struct tcpm_port *port, u16 req_out_volt)
goto port_unlock;
}
+ port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+ ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ goto port_unlock;
+ }
+
/* Round down output voltage to align with PPS valid steps */
req_out_volt = req_out_volt - (req_out_volt % RDO_PROG_VOLT_MV_STEP);
@@ -4611,7 +5842,6 @@ static int tcpm_pps_set_out_volt(struct tcpm_port *port, u16 req_out_volt)
port->pps_data.req_out_volt = req_out_volt;
port->pps_status = 0;
port->pps_pending = true;
- tcpm_set_state(port, SNK_NEGOTIATE_PPS_CAPABILITIES, 0);
mutex_unlock(&port->lock);
if (!wait_for_completion_timeout(&port->pps_complete,
@@ -4651,6 +5881,16 @@ static int tcpm_pps_activate(struct tcpm_port *port, bool activate)
goto port_unlock;
}
+ if (activate)
+ port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+ else
+ port->upcoming_state = SNK_NEGOTIATE_CAPABILITIES;
+ ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ goto port_unlock;
+ }
+
reinit_completion(&port->pps_complete);
port->pps_status = 0;
port->pps_pending = true;
@@ -4659,9 +5899,6 @@ static int tcpm_pps_activate(struct tcpm_port *port, bool activate)
if (activate) {
port->pps_data.req_out_volt = port->supply_voltage;
port->pps_data.req_op_curr = port->current_limit;
- tcpm_set_state(port, SNK_NEGOTIATE_PPS_CAPABILITIES, 0);
- } else {
- tcpm_set_state(port, SNK_NEGOTIATE_CAPABILITIES, 0);
}
mutex_unlock(&port->lock);
@@ -4698,6 +5935,24 @@ static void tcpm_init(struct tcpm_port *port)
if (port->vbus_present)
port->vbus_never_low = true;
+ /*
+ * 1. When vbus_present is true, voltage on VBUS is already at VSAFE5V.
+ * So implicitly vbus_vsafe0v = false.
+ *
+ * 2. When vbus_present is false and TCPC does NOT support querying
+ * vsafe0v status, then, it's best to assume vbus is at VSAFE0V i.e.
+ * vbus_vsafe0v is true.
+ *
+ * 3. When vbus_present is false and TCPC does support querying vsafe0v,
+ * then, query tcpc for vsafe0v status.
+ */
+ if (port->vbus_present)
+ port->vbus_vsafe0v = false;
+ else if (!port->tcpc->is_vbus_vsafe0v)
+ port->vbus_vsafe0v = true;
+ else
+ port->vbus_vsafe0v = port->tcpc->is_vbus_vsafe0v(port->tcpc);
+
tcpm_set_state(port, tcpm_default_state(port), 0);
if (port->tcpc->get_cc(port->tcpc, &cc1, &cc2) == 0)
@@ -4783,6 +6038,7 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
port->typec_caps.type = ret;
port->port_type = port->typec_caps.type;
+ port->slow_charger_loop = fwnode_property_read_bool(fwnode, "slow-charger-loop");
if (port->port_type == TYPEC_PORT_SNK)
goto sink;
@@ -4830,14 +6086,99 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
/* FRS can only be supported byb DRP ports */
if (port->port_type == TYPEC_PORT_DRP) {
- ret = fwnode_property_read_u32(fwnode, "frs-typec-current", &frs_current);
+ ret = fwnode_property_read_u32(fwnode, "new-source-frs-typec-current",
+ &frs_current);
if (ret >= 0 && frs_current <= FRS_5V_3A)
- port->frs_current = frs_current;
+ port->new_source_frs_current = frs_current;
+ }
+
+ /* sink-vdos is optional */
+ ret = fwnode_property_count_u32(fwnode, "sink-vdos");
+ if (ret < 0)
+ ret = 0;
+
+ port->nr_snk_vdo = min(ret, VDO_MAX_OBJECTS);
+ if (port->nr_snk_vdo) {
+ ret = fwnode_property_read_u32_array(fwnode, "sink-vdos",
+ port->snk_vdo,
+ port->nr_snk_vdo);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* If sink-vdos is found, sink-vdos-v1 is expected for backward compatibility. */
+ if (port->nr_snk_vdo) {
+ ret = fwnode_property_count_u32(fwnode, "sink-vdos-v1");
+ if (ret < 0)
+ return ret;
+ else if (ret == 0)
+ return -ENODATA;
+
+ port->nr_snk_vdo_v1 = min(ret, VDO_MAX_OBJECTS);
+ ret = fwnode_property_read_u32_array(fwnode, "sink-vdos-v1",
+ port->snk_vdo_v1,
+ port->nr_snk_vdo_v1);
+ if (ret < 0)
+ return ret;
}
return 0;
}
+static int tcpm_copy_pdos(u32 *dest_pdo, const u32 *src_pdo, unsigned int nr_pdo)
+{
+ unsigned int i;
+
+ if (nr_pdo > PDO_MAX_OBJECTS)
+ nr_pdo = PDO_MAX_OBJECTS;
+
+ for (i = 0; i < nr_pdo; i++)
+ dest_pdo[i] = src_pdo[i];
+
+ return nr_pdo;
+}
+
+int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo, unsigned int nr_pdo,
+ unsigned int operating_snk_mw)
+{
+ int ret = 0;
+
+ if (tcpm_validate_caps(port, pdo, nr_pdo))
+ return -EINVAL;
+
+ mutex_lock(&port->lock);
+ port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, pdo, nr_pdo);
+ port->operating_snk_mw = operating_snk_mw;
+
+ switch (port->state) {
+ case SNK_NEGOTIATE_CAPABILITIES:
+ case SNK_NEGOTIATE_PPS_CAPABILITIES:
+ case SNK_READY:
+ case SNK_TRANSITION_SINK:
+ case SNK_TRANSITION_SINK_VBUS:
+ if (port->pps_data.active)
+ port->upcoming_state = SNK_NEGOTIATE_PPS_CAPABILITIES;
+ else if (port->pd_capable)
+ port->upcoming_state = SNK_NEGOTIATE_CAPABILITIES;
+ else
+ break;
+
+ port->update_sink_caps = true;
+
+ ret = tcpm_ams_start(port, POWER_NEGOTIATION);
+ if (ret == -EAGAIN) {
+ port->upcoming_state = INVALID_STATE;
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ mutex_unlock(&port->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(tcpm_update_sink_capabilities);
+
/* Power Supply access to expose source power information */
enum tcpm_psy_online_states {
TCPM_PSY_OFFLINE = 0,
@@ -4952,7 +6293,6 @@ static int tcpm_psy_get_prop(struct power_supply *psy,
ret = -EINVAL;
break;
}
-
return ret;
}
@@ -5087,6 +6427,14 @@ static enum hrtimer_restart enable_frs_timer_handler(struct hrtimer *timer)
return HRTIMER_NORESTART;
}
+static enum hrtimer_restart send_discover_timer_handler(struct hrtimer *timer)
+{
+ struct tcpm_port *port = container_of(timer, struct tcpm_port, send_discover_timer);
+
+ kthread_queue_work(port->wq, &port->send_discover_work);
+ return HRTIMER_NORESTART;
+}
+
struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
{
struct tcpm_port *port;
@@ -5117,12 +6465,15 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
kthread_init_work(&port->vdm_state_machine, vdm_state_machine_work);
kthread_init_work(&port->event_work, tcpm_pd_event_handler);
kthread_init_work(&port->enable_frs, tcpm_enable_frs_work);
+ kthread_init_work(&port->send_discover_work, tcpm_send_discover_work);
hrtimer_init(&port->state_machine_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
port->state_machine_timer.function = state_machine_timer_handler;
hrtimer_init(&port->vdm_state_machine_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
port->vdm_state_machine_timer.function = vdm_state_machine_timer_handler;
hrtimer_init(&port->enable_frs_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
port->enable_frs_timer.function = enable_frs_timer_handler;
+ hrtimer_init(&port->send_discover_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ port->send_discover_timer.function = send_discover_timer_handler;
spin_lock_init(&port->pd_event_lock);
@@ -5140,6 +6491,7 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
port->typec_caps.fwnode = tcpc->fwnode;
port->typec_caps.revision = 0x0120; /* Type-C spec release 1.2 */
port->typec_caps.pd_revision = 0x0300; /* USB-PD spec release 3.0 */
+ port->typec_caps.svdm_version = SVDM_VER_2_0;
port->typec_caps.driver_data = port;
port->typec_caps.ops = &tcpm_ops;
port->typec_caps.orientation_aware = 1;
@@ -5184,6 +6536,7 @@ void tcpm_unregister_port(struct tcpm_port *port)
{
int i;
+ hrtimer_cancel(&port->send_discover_timer);
hrtimer_cancel(&port->enable_frs_timer);
hrtimer_cancel(&port->vdm_state_machine_timer);
hrtimer_cancel(&port->state_machine_timer);
diff --git a/drivers/usb/typec/tcpm/wcove.c b/drivers/usb/typec/tcpm/wcove.c
index 7e9c279..5d12533 100644
--- a/drivers/usb/typec/tcpm/wcove.c
+++ b/drivers/usb/typec/tcpm/wcove.c
@@ -356,7 +356,8 @@ static int wcove_set_pd_rx(struct tcpc_dev *tcpc, bool on)
static int wcove_pd_transmit(struct tcpc_dev *tcpc,
enum tcpm_transmit_type type,
- const struct pd_message *msg)
+ const struct pd_message *msg,
+ unsigned int negotiated_rev)
{
struct wcove_typec *wcove = tcpc_to_wcove(tcpc);
unsigned int info = 0;
diff --git a/drivers/usb/typec/ucsi/Kconfig b/drivers/usb/typec/ucsi/Kconfig
index 2192d7c..5e9b37b 100644
--- a/drivers/usb/typec/ucsi/Kconfig
+++ b/drivers/usb/typec/ucsi/Kconfig
@@ -3,6 +3,7 @@
config TYPEC_UCSI
tristate "USB Type-C Connector System Software Interface driver"
depends on !CPU_BIG_ENDIAN
+ depends on USB_ROLE_SWITCH || !USB_ROLE_SWITCH
help
USB Type-C Connector System Software Interface (UCSI) is a
specification for an interface that allows the operating system to
diff --git a/drivers/usb/typec/ucsi/displayport.c b/drivers/usb/typec/ucsi/displayport.c
index 261131c..73cd5bf 100644
--- a/drivers/usb/typec/ucsi/displayport.c
+++ b/drivers/usb/typec/ucsi/displayport.c
@@ -49,6 +49,7 @@ static int ucsi_displayport_enter(struct typec_altmode *alt, u32 *vdo)
{
struct ucsi_dp *dp = typec_altmode_get_drvdata(alt);
struct ucsi *ucsi = dp->con->ucsi;
+ int svdm_version;
u64 command;
u8 cur = 0;
int ret;
@@ -83,7 +84,13 @@ static int ucsi_displayport_enter(struct typec_altmode *alt, u32 *vdo)
* mode, and letting the alt mode driver continue.
*/
- dp->header = VDO(USB_TYPEC_DP_SID, 1, CMD_ENTER_MODE);
+ svdm_version = typec_altmode_get_svdm_version(alt);
+ if (svdm_version < 0) {
+ ret = svdm_version;
+ goto err_unlock;
+ }
+
+ dp->header = VDO(USB_TYPEC_DP_SID, 1, svdm_version, CMD_ENTER_MODE);
dp->header |= VDO_OPOS(USB_TYPEC_DP_MODE);
dp->header |= VDO_CMDT(CMDT_RSP_ACK);
@@ -101,6 +108,7 @@ static int ucsi_displayport_enter(struct typec_altmode *alt, u32 *vdo)
static int ucsi_displayport_exit(struct typec_altmode *alt)
{
struct ucsi_dp *dp = typec_altmode_get_drvdata(alt);
+ int svdm_version;
u64 command;
int ret = 0;
@@ -120,7 +128,13 @@ static int ucsi_displayport_exit(struct typec_altmode *alt)
if (ret < 0)
goto out_unlock;
- dp->header = VDO(USB_TYPEC_DP_SID, 1, CMD_EXIT_MODE);
+ svdm_version = typec_altmode_get_svdm_version(alt);
+ if (svdm_version < 0) {
+ ret = svdm_version;
+ goto out_unlock;
+ }
+
+ dp->header = VDO(USB_TYPEC_DP_SID, 1, svdm_version, CMD_EXIT_MODE);
dp->header |= VDO_OPOS(USB_TYPEC_DP_MODE);
dp->header |= VDO_CMDT(CMDT_RSP_ACK);
@@ -186,6 +200,7 @@ static int ucsi_displayport_vdm(struct typec_altmode *alt,
struct ucsi_dp *dp = typec_altmode_get_drvdata(alt);
int cmd_type = PD_VDO_CMDT(header);
int cmd = PD_VDO_CMD(header);
+ int svdm_version;
mutex_lock(&dp->con->lock);
@@ -198,9 +213,20 @@ static int ucsi_displayport_vdm(struct typec_altmode *alt,
return -EOPNOTSUPP;
}
+ svdm_version = typec_altmode_get_svdm_version(alt);
+ if (svdm_version < 0) {
+ mutex_unlock(&dp->con->lock);
+ return svdm_version;
+ }
+
switch (cmd_type) {
case CMDT_INIT:
- dp->header = VDO(USB_TYPEC_DP_SID, 1, cmd);
+ if (PD_VDO_SVDM_VER(header) < svdm_version) {
+ typec_partner_set_svdm_version(dp->con->partner, PD_VDO_SVDM_VER(header));
+ svdm_version = PD_VDO_SVDM_VER(header);
+ }
+
+ dp->header = VDO(USB_TYPEC_DP_SID, 1, svdm_version, cmd);
dp->header |= VDO_OPOS(USB_TYPEC_DP_MODE);
switch (cmd) {
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 3bfa800..0c4a0f1 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -611,6 +611,7 @@ static void ucsi_unregister_partner(struct ucsi_connector *con)
static void ucsi_partner_change(struct ucsi_connector *con)
{
+ enum usb_role u_role = USB_ROLE_NONE;
int ret;
if (!con->partner)
@@ -618,11 +619,14 @@ static void ucsi_partner_change(struct ucsi_connector *con)
switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
case UCSI_CONSTAT_PARTNER_TYPE_UFP:
- case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
case UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP:
+ u_role = USB_ROLE_HOST;
+ fallthrough;
+ case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
typec_set_data_role(con->port, TYPEC_HOST);
break;
case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+ u_role = USB_ROLE_DEVICE;
typec_set_data_role(con->port, TYPEC_DEVICE);
break;
default:
@@ -633,6 +637,15 @@ static void ucsi_partner_change(struct ucsi_connector *con)
if (!completion_done(&con->complete))
complete(&con->complete);
+ /* Only notify USB controller if partner supports USB data */
+ if (!(UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) & UCSI_CONSTAT_PARTNER_FLAG_USB))
+ u_role = USB_ROLE_NONE;
+
+ ret = usb_role_switch_set_role(con->usb_role_sw, u_role);
+ if (ret)
+ dev_err(con->ucsi->dev, "con:%d: failed to set usb role:%d\n",
+ con->num, u_role);
+
/* Can't rely on Partner Flags field. Always checking the alt modes. */
ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP);
if (ret)
@@ -651,6 +664,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
struct ucsi_connector_status pre_ack_status;
struct ucsi_connector_status post_ack_status;
enum typec_role role;
+ enum usb_role u_role = USB_ROLE_NONE;
u16 inferred_changes;
u16 changed_flags;
u64 command;
@@ -776,11 +790,14 @@ static void ucsi_handle_connector_change(struct work_struct *work)
switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
case UCSI_CONSTAT_PARTNER_TYPE_UFP:
- case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
case UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP:
+ u_role = USB_ROLE_HOST;
+ fallthrough;
+ case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
typec_set_data_role(con->port, TYPEC_HOST);
break;
case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+ u_role = USB_ROLE_DEVICE;
typec_set_data_role(con->port, TYPEC_DEVICE);
break;
default:
@@ -793,6 +810,16 @@ static void ucsi_handle_connector_change(struct work_struct *work)
ucsi_unregister_partner(con);
ucsi_port_psy_changed(con);
+
+ /* Only notify USB controller if partner supports USB data */
+ if (!(UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) &
+ UCSI_CONSTAT_PARTNER_FLAG_USB))
+ u_role = USB_ROLE_NONE;
+
+ ret = usb_role_switch_set_role(con->usb_role_sw, u_role);
+ if (ret)
+ dev_err(ucsi->dev, "con:%d: failed to set usb role:%d\n",
+ con->num, u_role);
}
if (con->status.change & UCSI_CONSTAT_PARTNER_CHANGE)
@@ -1012,6 +1039,7 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
struct ucsi_connector *con = &ucsi->connector[index];
struct typec_capability *cap = &con->typec_cap;
enum typec_accessory *accessory = cap->accessory;
+ enum usb_role u_role = USB_ROLE_NONE;
u64 command;
int ret;
@@ -1048,6 +1076,7 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
cap->revision = ucsi->cap.typec_version;
cap->pd_revision = ucsi->cap.pd_version;
+ cap->svdm_version = SVDM_VER_2_0;
cap->prefer_role = TYPEC_NO_PREFERRED_ROLE;
if (con->cap.op_mode & UCSI_CONCAP_OPMODE_AUDIO_ACCESSORY)
@@ -1090,11 +1119,14 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
case UCSI_CONSTAT_PARTNER_TYPE_UFP:
- case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
case UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP:
+ u_role = USB_ROLE_HOST;
+ fallthrough;
+ case UCSI_CONSTAT_PARTNER_TYPE_CABLE:
typec_set_data_role(con->port, TYPEC_HOST);
break;
case UCSI_CONSTAT_PARTNER_TYPE_DFP:
+ u_role = USB_ROLE_DEVICE;
typec_set_data_role(con->port, TYPEC_DEVICE);
break;
default:
@@ -1110,6 +1142,24 @@ static int ucsi_register_port(struct ucsi *ucsi, int index)
ucsi_port_psy_changed(con);
}
+ con->usb_role_sw = fwnode_usb_role_switch_get(cap->fwnode);
+ if (IS_ERR(con->usb_role_sw)) {
+ dev_err(ucsi->dev, "con%d: failed to get usb role switch\n",
+ con->num);
+ con->usb_role_sw = NULL;
+ }
+
+ /* Only notify USB controller if partner supports USB data */
+ if (!(UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) & UCSI_CONSTAT_PARTNER_FLAG_USB))
+ u_role = USB_ROLE_NONE;
+
+ ret = usb_role_switch_set_role(con->usb_role_sw, u_role);
+ if (ret) {
+ dev_err(ucsi->dev, "con:%d: failed to set usb role:%d\n",
+ con->num, u_role);
+ ret = 0;
+ }
+
if (con->partner) {
ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP);
if (ret) {
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index fce23ad..b3450d8 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -9,6 +9,8 @@
#include <linux/types.h>
#include <linux/usb/typec.h>
#include <linux/usb/pd.h>
+#include <linux/usb/role.h>
+#include <linux/usb/pd.h>
/* -------------------------------------------------------------------------- */
@@ -333,6 +335,8 @@ struct ucsi_connector {
u32 rdo;
u32 src_pdos[PDO_MAX_OBJECTS];
int num_pdos;
+
+ struct usb_role_switch *usb_role_sw;
};
int ucsi_send_command(struct ucsi *ucsi, u64 command,
diff --git a/drivers/vfio/platform/vfio_amba.c b/drivers/vfio/platform/vfio_amba.c
index 9636a2a..62c97aa 100644
--- a/drivers/vfio/platform/vfio_amba.c
+++ b/drivers/vfio/platform/vfio_amba.c
@@ -71,7 +71,7 @@ static int vfio_amba_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int vfio_amba_remove(struct amba_device *adev)
+static void vfio_amba_remove(struct amba_device *adev)
{
struct vfio_platform_device *vdev;
@@ -79,10 +79,7 @@ static int vfio_amba_remove(struct amba_device *adev)
if (vdev) {
kfree(vdev->name);
kfree(vdev);
- return 0;
}
-
- return -EINVAL;
}
static const struct amba_id pl330_ids[] = {
diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c
index b7682de4..33595cc4 100644
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -925,7 +925,7 @@ static int clcdfb_probe(struct amba_device *dev, const struct amba_id *id)
return ret;
}
-static int clcdfb_remove(struct amba_device *dev)
+static void clcdfb_remove(struct amba_device *dev)
{
struct clcd_fb *fb = amba_get_drvdata(dev);
@@ -942,8 +942,6 @@ static int clcdfb_remove(struct amba_device *dev)
kfree(fb);
amba_release_regions(dev);
-
- return 0;
}
static const struct amba_id clcdfb_id_table[] = {
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 7b41130..3ef5544 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -133,7 +133,7 @@
If unsure, say 'N'.
config VIRTIO_DMA_SHARED_BUFFER
- tristate
+ tristate "Virtio DMA shared buffer support"
depends on DMA_SHARED_BUFFER
help
This option adds a flavor of dma buffers that are backed by
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 5c53098..e3f5057b 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -368,7 +368,6 @@ int register_virtio_device(struct virtio_device *dev)
virtio_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE);
INIT_LIST_HEAD(&dev->vqs);
- spin_lock_init(&dev->vqs_list_lock);
/*
* device_add() causes the bus infrastructure to look for a matching
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 481611c..8985fc2 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -1114,9 +1114,7 @@ static int virtballoon_validate(struct virtio_device *vdev)
* page reporting as it could potentially change the contents
* of our free pages.
*/
- if (!want_init_on_free() &&
- (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY) ||
- !page_poisoning_enabled()))
+ if (!want_init_on_free() && !page_poisoning_enabled_static())
__virtio_clear_bit(vdev, VIRTIO_BALLOON_F_PAGE_POISON);
else if (!virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON))
__virtio_clear_bit(vdev, VIRTIO_BALLOON_F_REPORTING);
diff --git a/drivers/virtio/virtio_dma_buf.c b/drivers/virtio/virtio_dma_buf.c
index 5127a2f..f94ab97 100644
--- a/drivers/virtio/virtio_dma_buf.c
+++ b/drivers/virtio/virtio_dma_buf.c
@@ -25,11 +25,14 @@ struct dma_buf *virtio_dma_buf_export
const struct virtio_dma_buf_ops, ops);
if (!exp_info->ops ||
- exp_info->ops->attach != &virtio_dma_buf_attach ||
!virtio_ops->get_uuid) {
return ERR_PTR(-EINVAL);
}
+ if (!(IS_ENABLED(CONFIG_CFI_CLANG) && IS_ENABLED(CONFIG_MODULES)) &&
+ exp_info->ops->attach != &virtio_dma_buf_attach)
+ return ERR_PTR(-EINVAL);
+
return dma_buf_export(exp_info);
}
EXPORT_SYMBOL(virtio_dma_buf_export);
@@ -60,6 +63,9 @@ EXPORT_SYMBOL(virtio_dma_buf_attach);
*/
bool is_virtio_dma_buf(struct dma_buf *dma_buf)
{
+ if (IS_ENABLED(CONFIG_CFI_CLANG) && IS_ENABLED(CONFIG_MODULES))
+ return true;
+
return dma_buf->ops->attach == &virtio_dma_buf_attach;
}
EXPORT_SYMBOL(is_virtio_dma_buf);
diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c
index f1f6208..427d58c 100644
--- a/drivers/virtio/virtio_input.c
+++ b/drivers/virtio/virtio_input.c
@@ -4,6 +4,7 @@
#include <linux/virtio_config.h>
#include <linux/input.h>
#include <linux/slab.h>
+#include <linux/input/mt.h>
#include <uapi/linux/virtio_ids.h>
#include <uapi/linux/virtio_input.h>
@@ -165,6 +166,15 @@ static void virtinput_cfg_abs(struct virtio_input *vi, int abs)
virtio_cread_le(vi->vdev, struct virtio_input_config, u.abs.flat, &fl);
input_set_abs_params(vi->idev, abs, mi, ma, fu, fl);
input_abs_set_res(vi->idev, abs, re);
+ if (abs == ABS_MT_TRACKING_ID) {
+ unsigned int slot_flags =
+ test_bit(INPUT_PROP_DIRECT, vi->idev->propbit) ?
+ INPUT_MT_DIRECT : 0;
+
+ input_mt_init_slots(vi->idev,
+ ma, /* input max finger */
+ slot_flags);
+ }
}
static int virtinput_init_vqs(struct virtio_input *vi)
diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index 181e2f1..41bd843 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -1307,11 +1307,12 @@ static int virtio_mem_mb_unplug_sb_online(struct virtio_mem *vm,
const unsigned long nr_pages = PFN_DOWN(vm->subblock_size) * count;
unsigned long start_pfn;
int rc;
+ struct acr_info dummy;
start_pfn = PFN_DOWN(virtio_mem_mb_id_to_phys(mb_id) +
sb_id * vm->subblock_size);
rc = alloc_contig_range(start_pfn, start_pfn + nr_pages,
- MIGRATE_MOVABLE, GFP_KERNEL);
+ MIGRATE_MOVABLE, GFP_KERNEL, &dummy);
if (rc == -ENOMEM)
/* whoops, out of memory */
return rc;
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index e9432db..c3ba92b 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -1676,9 +1676,7 @@ static struct virtqueue *vring_create_virtqueue_packed(
cpu_to_le16(vq->packed.event_flags_shadow);
}
- spin_lock(&vdev->vqs_list_lock);
list_add_tail(&vq->vq.list, &vdev->vqs);
- spin_unlock(&vdev->vqs_list_lock);
return &vq->vq;
err_desc_extra:
@@ -2136,9 +2134,7 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index,
memset(vq->split.desc_state, 0, vring.num *
sizeof(struct vring_desc_state_split));
- spin_lock(&vdev->vqs_list_lock);
list_add_tail(&vq->vq.list, &vdev->vqs);
- spin_unlock(&vdev->vqs_list_lock);
return &vq->vq;
}
EXPORT_SYMBOL_GPL(__vring_new_virtqueue);
@@ -2222,9 +2218,7 @@ void vring_del_virtqueue(struct virtqueue *_vq)
}
if (!vq->packed_ring)
kfree(vq->split.desc_state);
- spin_lock(&vq->vq.vdev->vqs_list_lock);
list_del(&_vq->list);
- spin_unlock(&vq->vq.vdev->vqs_list_lock);
kfree(vq);
}
EXPORT_SYMBOL_GPL(vring_del_virtqueue);
@@ -2288,14 +2282,12 @@ void virtio_break_device(struct virtio_device *dev)
{
struct virtqueue *_vq;
- spin_lock(&dev->vqs_list_lock);
list_for_each_entry(_vq, &dev->vqs, list) {
struct vring_virtqueue *vq = to_vvq(_vq);
/* Pairs with READ_ONCE() in virtqueue_is_broken(). */
WRITE_ONCE(vq->broken, true);
}
- spin_unlock(&dev->vqs_list_lock);
}
EXPORT_SYMBOL_GPL(virtio_break_device);
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index 190d26e..2815f78 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -304,14 +304,12 @@ sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
return ret;
}
-static int sp805_wdt_remove(struct amba_device *adev)
+static void sp805_wdt_remove(struct amba_device *adev)
{
struct sp805_wdt *wdt = amba_get_drvdata(adev);
watchdog_unregister_device(&wdt->wdd);
watchdog_set_drvdata(&wdt->wdd, NULL);
-
- return 0;
}
static int __maybe_unused sp805_wdt_suspend(struct device *dev)
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 6261719..cb14e8b 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -214,7 +214,8 @@ int v9fs_acl_mode(struct inode *dir, umode_t *modep,
static int v9fs_xattr_get_acl(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
struct v9fs_session_info *v9ses;
struct posix_acl *acl;
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index ac8ff8c..5cfa772 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -139,7 +139,8 @@ ssize_t v9fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
static int v9fs_xattr_handler_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
const char *full_name = xattr_full_name(handler, name);
diff --git a/fs/Kconfig b/fs/Kconfig
index da524c4..a6a7211 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -122,6 +122,7 @@
source "fs/autofs/Kconfig"
source "fs/fuse/Kconfig"
source "fs/overlayfs/Kconfig"
+source "fs/incfs/Kconfig"
menu "Caches"
diff --git a/fs/Makefile b/fs/Makefile
index 999d1a2..5dca348 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -113,6 +113,7 @@
obj-$(CONFIG_FUSE_FS) += fuse/
obj-$(CONFIG_OVERLAY_FS) += overlayfs/
obj-$(CONFIG_ORANGEFS_FS) += orangefs/
+obj-$(CONFIG_INCREMENTAL_FS) += incfs/
obj-$(CONFIG_UDF_FS) += udf/
obj-$(CONFIG_SUN_OPENPROMFS) += openpromfs/
obj-$(CONFIG_OMFS_FS) += omfs/
diff --git a/fs/afs/xattr.c b/fs/afs/xattr.c
index 6a29337..5da5e8a 100644
--- a/fs/afs/xattr.c
+++ b/fs/afs/xattr.c
@@ -36,7 +36,7 @@ static const struct afs_operation_ops afs_fetch_acl_operation = {
static int afs_xattr_get_acl(const struct xattr_handler *handler,
struct dentry *dentry,
struct inode *inode, const char *name,
- void *buffer, size_t size)
+ void *buffer, size_t size, int flags)
{
struct afs_operation *op;
struct afs_vnode *vnode = AFS_FS_I(inode);
@@ -137,7 +137,7 @@ static const struct afs_operation_ops yfs_fetch_opaque_acl_operation = {
static int afs_xattr_get_yfs(const struct xattr_handler *handler,
struct dentry *dentry,
struct inode *inode, const char *name,
- void *buffer, size_t size)
+ void *buffer, size_t size, int flags)
{
struct afs_operation *op;
struct afs_vnode *vnode = AFS_FS_I(inode);
@@ -266,7 +266,7 @@ static const struct xattr_handler afs_xattr_yfs_handler = {
static int afs_xattr_get_cell(const struct xattr_handler *handler,
struct dentry *dentry,
struct inode *inode, const char *name,
- void *buffer, size_t size)
+ void *buffer, size_t size, int flags)
{
struct afs_vnode *vnode = AFS_FS_I(inode);
struct afs_cell *cell = vnode->volume->cell;
@@ -293,7 +293,7 @@ static const struct xattr_handler afs_xattr_afs_cell_handler = {
static int afs_xattr_get_fid(const struct xattr_handler *handler,
struct dentry *dentry,
struct inode *inode, const char *name,
- void *buffer, size_t size)
+ void *buffer, size_t size, int flags)
{
struct afs_vnode *vnode = AFS_FS_I(inode);
char text[16 + 1 + 24 + 1 + 8 + 1];
@@ -331,7 +331,7 @@ static const struct xattr_handler afs_xattr_afs_fid_handler = {
static int afs_xattr_get_volume(const struct xattr_handler *handler,
struct dentry *dentry,
struct inode *inode, const char *name,
- void *buffer, size_t size)
+ void *buffer, size_t size, int flags)
{
struct afs_vnode *vnode = AFS_FS_I(inode);
const char *volname = vnode->volume->name;
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 8971430..a280156 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -55,6 +55,75 @@ static struct file_system_type anon_inode_fs_type = {
.kill_sb = kill_anon_super,
};
+static struct inode *anon_inode_make_secure_inode(
+ const char *name,
+ const struct inode *context_inode)
+{
+ struct inode *inode;
+ const struct qstr qname = QSTR_INIT(name, strlen(name));
+ int error;
+
+ inode = alloc_anon_inode(anon_inode_mnt->mnt_sb);
+ if (IS_ERR(inode))
+ return inode;
+ inode->i_flags &= ~S_PRIVATE;
+ error = security_inode_init_security_anon(inode, &qname, context_inode);
+ if (error) {
+ iput(inode);
+ return ERR_PTR(error);
+ }
+ return inode;
+}
+
+static struct file *__anon_inode_getfile(const char *name,
+ const struct file_operations *fops,
+ void *priv, int flags,
+ const struct inode *context_inode,
+ bool secure)
+{
+ struct inode *inode;
+ struct file *file;
+
+ if (fops->owner && !try_module_get(fops->owner))
+ return ERR_PTR(-ENOENT);
+
+ if (secure) {
+ inode = anon_inode_make_secure_inode(name, context_inode);
+ if (IS_ERR(inode)) {
+ file = ERR_CAST(inode);
+ goto err;
+ }
+ } else {
+ inode = anon_inode_inode;
+ if (IS_ERR(inode)) {
+ file = ERR_PTR(-ENODEV);
+ goto err;
+ }
+ /*
+ * We know the anon_inode inode count is always
+ * greater than zero, so ihold() is safe.
+ */
+ ihold(inode);
+ }
+
+ file = alloc_file_pseudo(inode, anon_inode_mnt, name,
+ flags & (O_ACCMODE | O_NONBLOCK), fops);
+ if (IS_ERR(file))
+ goto err_iput;
+
+ file->f_mapping = inode->i_mapping;
+
+ file->private_data = priv;
+
+ return file;
+
+err_iput:
+ iput(inode);
+err:
+ module_put(fops->owner);
+ return file;
+}
+
/**
* anon_inode_getfile - creates a new file instance by hooking it up to an
* anonymous inode, and a dentry that describe the "class"
@@ -75,55 +144,15 @@ struct file *anon_inode_getfile(const char *name,
const struct file_operations *fops,
void *priv, int flags)
{
- struct file *file;
-
- if (IS_ERR(anon_inode_inode))
- return ERR_PTR(-ENODEV);
-
- if (fops->owner && !try_module_get(fops->owner))
- return ERR_PTR(-ENOENT);
-
- /*
- * We know the anon_inode inode count is always greater than zero,
- * so ihold() is safe.
- */
- ihold(anon_inode_inode);
- file = alloc_file_pseudo(anon_inode_inode, anon_inode_mnt, name,
- flags & (O_ACCMODE | O_NONBLOCK), fops);
- if (IS_ERR(file))
- goto err;
-
- file->f_mapping = anon_inode_inode->i_mapping;
-
- file->private_data = priv;
-
- return file;
-
-err:
- iput(anon_inode_inode);
- module_put(fops->owner);
- return file;
+ return __anon_inode_getfile(name, fops, priv, flags, NULL, false);
}
EXPORT_SYMBOL_GPL(anon_inode_getfile);
-/**
- * anon_inode_getfd - creates a new file instance by hooking it up to an
- * anonymous inode, and a dentry that describe the "class"
- * of the file
- *
- * @name: [in] name of the "class" of the new file
- * @fops: [in] file operations for the new file
- * @priv: [in] private data for the new file (will be file's private_data)
- * @flags: [in] flags
- *
- * Creates a new file by hooking it on a single inode. This is useful for files
- * that do not need to have a full-fledged inode in order to operate correctly.
- * All the files created with anon_inode_getfd() will share a single inode,
- * hence saving memory and avoiding code duplication for the file/inode/dentry
- * setup. Returns new descriptor or an error code.
- */
-int anon_inode_getfd(const char *name, const struct file_operations *fops,
- void *priv, int flags)
+static int __anon_inode_getfd(const char *name,
+ const struct file_operations *fops,
+ void *priv, int flags,
+ const struct inode *context_inode,
+ bool secure)
{
int error, fd;
struct file *file;
@@ -133,7 +162,8 @@ int anon_inode_getfd(const char *name, const struct file_operations *fops,
return error;
fd = error;
- file = anon_inode_getfile(name, fops, priv, flags);
+ file = __anon_inode_getfile(name, fops, priv, flags, context_inode,
+ secure);
if (IS_ERR(file)) {
error = PTR_ERR(file);
goto err_put_unused_fd;
@@ -146,8 +176,55 @@ int anon_inode_getfd(const char *name, const struct file_operations *fops,
put_unused_fd(fd);
return error;
}
+
+/**
+ * anon_inode_getfd - creates a new file instance by hooking it up to
+ * an anonymous inode and a dentry that describe
+ * the "class" of the file
+ *
+ * @name: [in] name of the "class" of the new file
+ * @fops: [in] file operations for the new file
+ * @priv: [in] private data for the new file (will be file's private_data)
+ * @flags: [in] flags
+ *
+ * Creates a new file by hooking it on a single inode. This is
+ * useful for files that do not need to have a full-fledged inode in
+ * order to operate correctly. All the files created with
+ * anon_inode_getfd() will use the same singleton inode, reducing
+ * memory use and avoiding code duplication for the file/inode/dentry
+ * setup. Returns a newly created file descriptor or an error code.
+ */
+int anon_inode_getfd(const char *name, const struct file_operations *fops,
+ void *priv, int flags)
+{
+ return __anon_inode_getfd(name, fops, priv, flags, NULL, false);
+}
EXPORT_SYMBOL_GPL(anon_inode_getfd);
+/**
+ * anon_inode_getfd_secure - Like anon_inode_getfd(), but creates a new
+ * !S_PRIVATE anon inode rather than reuse the singleton anon inode, and calls
+ * the inode_init_security_anon() LSM hook. This allows the inode to have its
+ * own security context and for a LSM to reject creation of the inode.
+ *
+ * @name: [in] name of the "class" of the new file
+ * @fops: [in] file operations for the new file
+ * @priv: [in] private data for the new file (will be file's private_data)
+ * @flags: [in] flags
+ * @context_inode:
+ * [in] the logical relationship with the new inode (optional)
+ *
+ * The LSM may use @context_inode in inode_init_security_anon(), but a
+ * reference to it is not held.
+ */
+int anon_inode_getfd_secure(const char *name, const struct file_operations *fops,
+ void *priv, int flags,
+ const struct inode *context_inode)
+{
+ return __anon_inode_getfd(name, fops, priv, flags, context_inode, true);
+}
+EXPORT_SYMBOL_GPL(anon_inode_getfd_secure);
+
static int __init anon_inode_init(void)
{
anon_inode_mnt = kern_mount(&anon_inode_fs_type);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 29f020c..c7bb901 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -569,55 +569,47 @@ EXPORT_SYMBOL(fsync_bdev);
* count down in thaw_bdev(). When it becomes 0, thaw_bdev() will unfreeze
* actually.
*/
-struct super_block *freeze_bdev(struct block_device *bdev)
+int freeze_bdev(struct block_device *bdev)
{
struct super_block *sb;
int error = 0;
mutex_lock(&bdev->bd_fsfreeze_mutex);
- if (++bdev->bd_fsfreeze_count > 1) {
- /*
- * We don't even need to grab a reference - the first call
- * to freeze_bdev grab an active reference and only the last
- * thaw_bdev drops it.
- */
- sb = get_super(bdev);
- if (sb)
- drop_super(sb);
- mutex_unlock(&bdev->bd_fsfreeze_mutex);
- return sb;
- }
+ if (++bdev->bd_fsfreeze_count > 1)
+ goto done;
sb = get_active_super(bdev);
if (!sb)
- goto out;
+ goto sync;
if (sb->s_op->freeze_super)
error = sb->s_op->freeze_super(sb);
else
error = freeze_super(sb);
- if (error) {
- deactivate_super(sb);
- bdev->bd_fsfreeze_count--;
- mutex_unlock(&bdev->bd_fsfreeze_mutex);
- return ERR_PTR(error);
- }
deactivate_super(sb);
- out:
+
+ if (error) {
+ bdev->bd_fsfreeze_count--;
+ goto done;
+ }
+ bdev->bd_fsfreeze_sb = sb;
+
+sync:
sync_blockdev(bdev);
+done:
mutex_unlock(&bdev->bd_fsfreeze_mutex);
- return sb; /* thaw_bdev releases s->s_umount */
+ return error;
}
EXPORT_SYMBOL(freeze_bdev);
/**
* thaw_bdev -- unlock filesystem
* @bdev: blockdevice to unlock
- * @sb: associated superblock
*
* Unlocks the filesystem and marks it writeable again after freeze_bdev().
*/
-int thaw_bdev(struct block_device *bdev, struct super_block *sb)
+int thaw_bdev(struct block_device *bdev)
{
+ struct super_block *sb;
int error = -EINVAL;
mutex_lock(&bdev->bd_fsfreeze_mutex);
@@ -628,6 +620,7 @@ int thaw_bdev(struct block_device *bdev, struct super_block *sb)
if (--bdev->bd_fsfreeze_count > 0)
goto out;
+ sb = bdev->bd_fsfreeze_sb;
if (!sb)
goto out;
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index e65d0fa..9d33bf0 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1646,8 +1646,7 @@ struct btrfs_plug_cb {
/*
* rbios on the plug list are sorted for easier merging.
*/
-static int plug_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int plug_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct btrfs_raid_bio *ra = container_of(a, struct btrfs_raid_bio,
plug_list);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 4a5a3ae..383c879 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4095,8 +4095,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
return ret;
}
-static int extent_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int extent_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct extent_map *em1, *em2;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e462de9..004950e 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1242,8 +1242,7 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
return 0;
}
-static int devid_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int devid_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct btrfs_device *dev1, *dev2;
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index f1a60bc..7934a4d 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -378,7 +378,8 @@ ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size)
static int btrfs_xattr_handler_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
name = xattr_full_name(handler, name);
return btrfs_getxattr(inode, name, buffer, size);
diff --git a/fs/buffer.c b/fs/buffer.c
index 23f6456..7b096c9 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -523,7 +523,7 @@ static int osync_buffers_list(spinlock_t *lock, struct list_head *list)
void emergency_thaw_bdev(struct super_block *sb)
{
- while (sb->s_bdev && !thaw_bdev(sb->s_bdev, sb))
+ while (sb->s_bdev && !thaw_bdev(sb->s_bdev))
printk(KERN_WARNING "Emergency Thaw on %pg\n", sb->s_bdev);
}
@@ -1264,6 +1264,15 @@ static void bh_lru_install(struct buffer_head *bh)
int i;
check_irqs_on();
+ /*
+ * the refcount of buffer_head in bh_lru prevents dropping the
+ * attached page(i.e., try_to_free_buffers) so it could cause
+ * failing page migration.
+ * Skip putting upcoming bh into bh_lru until migration is done.
+ */
+ if (lru_cache_disabled())
+ return;
+
bh_lru_lock();
b = this_cpu_ptr(&bh_lrus);
@@ -1404,6 +1413,15 @@ __bread_gfp(struct block_device *bdev, sector_t block,
}
EXPORT_SYMBOL(__bread_gfp);
+static void __invalidate_bh_lrus(struct bh_lru *b)
+{
+ int i;
+
+ for (i = 0; i < BH_LRU_SIZE; i++) {
+ brelse(b->bhs[i]);
+ b->bhs[i] = NULL;
+ }
+}
/*
* invalidate_bh_lrus() is called rarely - but not only at unmount.
* This doesn't race because it runs in each cpu either in irq
@@ -1412,16 +1430,12 @@ EXPORT_SYMBOL(__bread_gfp);
static void invalidate_bh_lru(void *arg)
{
struct bh_lru *b = &get_cpu_var(bh_lrus);
- int i;
- for (i = 0; i < BH_LRU_SIZE; i++) {
- brelse(b->bhs[i]);
- b->bhs[i] = NULL;
- }
+ __invalidate_bh_lrus(b);
put_cpu_var(bh_lrus);
}
-static bool has_bh_in_lru(int cpu, void *dummy)
+bool has_bh_in_lru(int cpu, void *dummy)
{
struct bh_lru *b = per_cpu_ptr(&bh_lrus, cpu);
int i;
@@ -1440,6 +1454,20 @@ void invalidate_bh_lrus(void)
}
EXPORT_SYMBOL_GPL(invalidate_bh_lrus);
+/*
+ * It's called from workqueue context so we need a bh_lru_lock to close
+ * the race with preemption/irq.
+ */
+void invalidate_bh_lrus_cpu(void)
+{
+ struct bh_lru *b;
+
+ bh_lru_lock();
+ b = this_cpu_ptr(&bh_lrus);
+ __invalidate_bh_lrus(b);
+ bh_lru_unlock();
+}
+
void set_bh_page(struct buffer_head *bh,
struct page *page, unsigned long offset)
{
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 197cb12..2a39813 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -1155,7 +1155,8 @@ int __ceph_setxattr(struct inode *inode, const char *name,
static int ceph_get_xattr_handler(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size,
+ int flags)
{
if (!ceph_is_valid_xattr(name))
return -EOPNOTSUPP;
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index b829917..032df60 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -281,7 +281,7 @@ static int cifs_creation_time_get(struct dentry *dentry, struct inode *inode,
static int cifs_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size, int flags)
{
ssize_t rc = -EOPNOTSUPP;
unsigned int xid;
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index b0983e2..a6d9f22 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1409,6 +1409,21 @@ static int configfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
else
ret = configfs_attach_item(parent_item, item, dentry, frag);
+ /* inherit uid/gid from process creating the directory */
+ if (!uid_eq(current_fsuid(), GLOBAL_ROOT_UID) ||
+ !gid_eq(current_fsgid(), GLOBAL_ROOT_GID)) {
+ struct iattr ia = {
+ .ia_uid = current_fsuid(),
+ .ia_gid = current_fsgid(),
+ .ia_valid = ATTR_UID | ATTR_GID,
+ };
+ struct inode *inode = d_inode(dentry);
+ inode->i_uid = ia.ia_uid;
+ inode->i_gid = ia.ia_gid;
+ /* the above manual assignments skip the permission checks */
+ configfs_setattr(dentry, &ia);
+ }
+
spin_lock(&configfs_dirent_lock);
sd->s_type &= ~CONFIGFS_USET_IN_MKDIR;
if (!ret)
diff --git a/fs/coredump.c b/fs/coredump.c
index c56a3bd..4ab1c32 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -900,7 +900,7 @@ int dump_user_range(struct coredump_params *cprm, unsigned long start,
stop = !dump_emit(cprm, kaddr, PAGE_SIZE);
kunmap(page);
- put_page(page);
+ put_user_page(page);
} else {
stop = !dump_skip(cprm, PAGE_SIZE);
}
diff --git a/fs/crypto/Kconfig b/fs/crypto/Kconfig
index a5f5c30..2d0c892 100644
--- a/fs/crypto/Kconfig
+++ b/fs/crypto/Kconfig
@@ -14,16 +14,30 @@
F2FS and UBIFS make use of this feature.
# Filesystems supporting encryption must select this if FS_ENCRYPTION. This
-# allows the algorithms to be built as modules when all the filesystems are.
+# allows the algorithms to be built as modules when all the filesystems are,
+# whereas selecting them from FS_ENCRYPTION would force them to be built-in.
+#
+# Note: this option only pulls in the algorithms that filesystem encryption
+# needs "by default". If userspace will use "non-default" encryption modes such
+# as Adiantum encryption, then those other modes need to be explicitly enabled
+# in the crypto API; see Documentation/filesystems/fscrypt.rst for details.
+#
+# Also note that this option only pulls in the generic implementations of the
+# algorithms, not any per-architecture optimized implementations. It is
+# strongly recommended to enable optimized implementations too. It is safe to
+# disable these generic implementations if corresponding optimized
+# implementations will always be available too; for this reason, these are soft
+# dependencies ('imply' rather than 'select'). Only disable these generic
+# implementations if you're sure they will never be needed, though.
config FS_ENCRYPTION_ALGS
tristate
- select CRYPTO_AES
- select CRYPTO_CBC
- select CRYPTO_CTS
- select CRYPTO_ECB
- select CRYPTO_HMAC
- select CRYPTO_SHA512
- select CRYPTO_XTS
+ imply CRYPTO_AES
+ imply CRYPTO_CBC
+ imply CRYPTO_CTS
+ imply CRYPTO_ECB
+ imply CRYPTO_HMAC
+ imply CRYPTO_SHA512
+ imply CRYPTO_XTS
config FS_ENCRYPTION_INLINE_CRYPT
bool "Enable fscrypt to use inline crypto"
diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c
index 4ef3f71..4fcca79f 100644
--- a/fs/crypto/crypto.c
+++ b/fs/crypto/crypto.c
@@ -69,6 +69,14 @@ void fscrypt_free_bounce_page(struct page *bounce_page)
}
EXPORT_SYMBOL(fscrypt_free_bounce_page);
+/*
+ * Generate the IV for the given logical block number within the given file.
+ * For filenames encryption, lblk_num == 0.
+ *
+ * Keep this in sync with fscrypt_limit_io_blocks(). fscrypt_limit_io_blocks()
+ * needs to know about any IV generation methods where the low bits of IV don't
+ * simply contain the lblk_num (e.g., IV_INO_LBLK_32).
+ */
void fscrypt_generate_iv(union fscrypt_iv *iv, u64 lblk_num,
const struct fscrypt_info *ci)
{
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 9fa871e..bb5b121 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -400,7 +400,7 @@ int fscrypt_setup_filename(struct inode *dir, const struct qstr *iname,
fname->disk_name.len = iname->len;
return 0;
}
- ret = fscrypt_get_encryption_info(dir);
+ ret = fscrypt_get_encryption_info(dir, lookup);
if (ret)
return ret;
@@ -556,7 +556,11 @@ int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
return -ECHILD;
dir = dget_parent(dentry);
- err = fscrypt_get_encryption_info(d_inode(dir));
+ /*
+ * Pass allow_unsupported=true, so that files with an unsupported
+ * encryption policy can be deleted.
+ */
+ err = fscrypt_get_encryption_info(d_inode(dir), true);
valid = !fscrypt_has_encryption_key(d_inode(dir));
dput(dir);
@@ -566,7 +570,3 @@ int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
return valid;
}
EXPORT_SYMBOL_GPL(fscrypt_d_revalidate);
-
-const struct dentry_operations fscrypt_d_ops = {
- .d_revalidate = fscrypt_d_revalidate,
-};
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h
index 052ad40..9322a1c 100644
--- a/fs/crypto/fscrypt_private.h
+++ b/fs/crypto/fscrypt_private.h
@@ -22,6 +22,8 @@
#define FSCRYPT_MIN_KEY_SIZE 16
+#define FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE 128
+
#define FSCRYPT_CONTEXT_V1 1
#define FSCRYPT_CONTEXT_V2 2
@@ -297,7 +299,6 @@ int fscrypt_fname_encrypt(const struct inode *inode, const struct qstr *iname,
bool fscrypt_fname_encrypted_size(const union fscrypt_policy *policy,
u32 orig_len, u32 max_len,
u32 *encrypted_len_ret);
-extern const struct dentry_operations fscrypt_d_ops;
/* hkdf.c */
@@ -331,7 +332,8 @@ void fscrypt_destroy_hkdf(struct fscrypt_hkdf *hkdf);
/* inline_crypt.c */
#ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
-int fscrypt_select_encryption_impl(struct fscrypt_info *ci);
+int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
+ bool is_hw_wrapped_key);
static inline bool
fscrypt_using_inline_encryption(const struct fscrypt_info *ci)
@@ -341,10 +343,18 @@ fscrypt_using_inline_encryption(const struct fscrypt_info *ci)
int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
const u8 *raw_key,
+ unsigned int raw_key_size,
+ bool is_hw_wrapped,
const struct fscrypt_info *ci);
void fscrypt_destroy_inline_crypt_key(struct fscrypt_prepared_key *prep_key);
+extern int fscrypt_derive_raw_secret(struct super_block *sb,
+ const u8 *wrapped_key,
+ unsigned int wrapped_key_size,
+ u8 *raw_secret,
+ unsigned int raw_secret_size);
+
/*
* Check whether the crypto transform or blk-crypto key has been allocated in
* @prep_key, depending on which encryption implementation the file will use.
@@ -368,7 +378,8 @@ fscrypt_is_key_prepared(struct fscrypt_prepared_key *prep_key,
#else /* CONFIG_FS_ENCRYPTION_INLINE_CRYPT */
-static inline int fscrypt_select_encryption_impl(struct fscrypt_info *ci)
+static inline int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
+ bool is_hw_wrapped_key)
{
return 0;
}
@@ -381,7 +392,8 @@ fscrypt_using_inline_encryption(const struct fscrypt_info *ci)
static inline int
fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
- const u8 *raw_key,
+ const u8 *raw_key, unsigned int raw_key_size,
+ bool is_hw_wrapped,
const struct fscrypt_info *ci)
{
WARN_ON(1);
@@ -393,6 +405,17 @@ fscrypt_destroy_inline_crypt_key(struct fscrypt_prepared_key *prep_key)
{
}
+static inline int fscrypt_derive_raw_secret(struct super_block *sb,
+ const u8 *wrapped_key,
+ unsigned int wrapped_key_size,
+ u8 *raw_secret,
+ unsigned int raw_secret_size)
+{
+ fscrypt_warn(NULL,
+ "kernel built without support for hardware-wrapped keys");
+ return -EOPNOTSUPP;
+}
+
static inline bool
fscrypt_is_key_prepared(struct fscrypt_prepared_key *prep_key,
const struct fscrypt_info *ci)
@@ -417,8 +440,15 @@ struct fscrypt_master_key_secret {
/* Size of the raw key in bytes. Set even if ->raw isn't set. */
u32 size;
- /* For v1 policy keys: the raw key. Wiped for v2 policy keys. */
- u8 raw[FSCRYPT_MAX_KEY_SIZE];
+ /* True if the key in ->raw is a hardware-wrapped key. */
+ bool is_hw_wrapped;
+
+ /*
+ * For v1 policy keys: the raw key. Wiped for v2 policy keys, unless
+ * ->is_hw_wrapped is true, in which case this contains the wrapped key
+ * rather than the key with which 'hkdf' was keyed.
+ */
+ u8 raw[FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE];
} __randomize_layout;
@@ -439,16 +469,9 @@ struct fscrypt_master_key {
* FS_IOC_REMOVE_ENCRYPTION_KEY can be retried, or
* FS_IOC_ADD_ENCRYPTION_KEY can add the secret again.
*
- * Locking: protected by key->sem (outer) and mk_secret_sem (inner).
- * The reason for two locks is that key->sem also protects modifying
- * mk_users, which ranks it above the semaphore for the keyring key
- * type, which is in turn above page faults (via keyring_read). But
- * sometimes filesystems call fscrypt_get_encryption_info() from within
- * a transaction, which ranks it below page faults. So we need a
- * separate lock which protects mk_secret but not also mk_users.
+ * Locking: protected by this master key's key->sem.
*/
struct fscrypt_master_key_secret mk_secret;
- struct rw_semaphore mk_secret_sem;
/*
* For v1 policy keys: an arbitrary key descriptor which was assigned by
@@ -467,8 +490,8 @@ struct fscrypt_master_key {
*
* This is NULL for v1 policy keys; those can only be added by root.
*
- * Locking: in addition to this keyrings own semaphore, this is
- * protected by the master key's key->sem, so we can do atomic
+ * Locking: in addition to this keyring's own semaphore, this is
+ * protected by this master key's key->sem, so we can do atomic
* search+insert. It can also be searched without taking any locks, but
* in that case the returned key may have already been removed.
*/
@@ -510,9 +533,9 @@ is_master_key_secret_present(const struct fscrypt_master_key_secret *secret)
/*
* The READ_ONCE() is only necessary for fscrypt_drop_inode() and
* fscrypt_key_describe(). These run in atomic context, so they can't
- * take ->mk_secret_sem and thus 'secret' can change concurrently which
- * would be a data race. But they only need to know whether the secret
- * *was* present at the time of check, so READ_ONCE() suffices.
+ * take the key semaphore and thus 'secret' can change concurrently
+ * which would be a data race. But they only need to know whether the
+ * secret *was* present at the time of check, so READ_ONCE() suffices.
*/
return READ_ONCE(secret->size) != 0;
}
@@ -567,7 +590,8 @@ struct fscrypt_mode {
extern struct fscrypt_mode fscrypt_modes[];
int fscrypt_prepare_key(struct fscrypt_prepared_key *prep_key,
- const u8 *raw_key, const struct fscrypt_info *ci);
+ const u8 *raw_key, unsigned int raw_key_size,
+ bool is_hw_wrapped, const struct fscrypt_info *ci);
void fscrypt_destroy_prepared_key(struct fscrypt_prepared_key *prep_key);
@@ -579,6 +603,34 @@ int fscrypt_derive_dirhash_key(struct fscrypt_info *ci,
void fscrypt_hash_inode_number(struct fscrypt_info *ci,
const struct fscrypt_master_key *mk);
+int fscrypt_get_encryption_info(struct inode *inode, bool allow_unsupported);
+
+/**
+ * fscrypt_require_key() - require an inode's encryption key
+ * @inode: the inode we need the key for
+ *
+ * If the inode is encrypted, set up its encryption key if not already done.
+ * Then require that the key be present and return -ENOKEY otherwise.
+ *
+ * No locks are needed, and the key will live as long as the struct inode --- so
+ * it won't go away from under you.
+ *
+ * Return: 0 on success, -ENOKEY if the key is missing, or another -errno code
+ * if a problem occurred while setting up the encryption key.
+ */
+static inline int fscrypt_require_key(struct inode *inode)
+{
+ if (IS_ENCRYPTED(inode)) {
+ int err = fscrypt_get_encryption_info(inode, false);
+
+ if (err)
+ return err;
+ if (!fscrypt_has_encryption_key(inode))
+ return -ENOKEY;
+ }
+ return 0;
+}
+
/* keysetup_v1.c */
void fscrypt_put_direct_key(struct fscrypt_direct_key *dk);
diff --git a/fs/crypto/hooks.c b/fs/crypto/hooks.c
index 4180371..af74599 100644
--- a/fs/crypto/hooks.c
+++ b/fs/crypto/hooks.c
@@ -54,15 +54,12 @@ EXPORT_SYMBOL_GPL(fscrypt_file_open);
int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,
struct dentry *dentry)
{
- int err;
-
- err = fscrypt_require_key(dir);
- if (err)
- return err;
-
- /* ... in case we looked up no-key name before key was added */
if (fscrypt_is_nokey_name(dentry))
return -ENOKEY;
+ /*
+ * We don't need to separately check that the directory inode's key is
+ * available, as it's implied by the dentry not being a no-key name.
+ */
if (!fscrypt_has_permitted_context(dir, inode))
return -EXDEV;
@@ -75,20 +72,13 @@ int __fscrypt_prepare_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
- int err;
-
- err = fscrypt_require_key(old_dir);
- if (err)
- return err;
-
- err = fscrypt_require_key(new_dir);
- if (err)
- return err;
-
- /* ... in case we looked up no-key name(s) before key was added */
if (fscrypt_is_nokey_name(old_dentry) ||
fscrypt_is_nokey_name(new_dentry))
return -ENOKEY;
+ /*
+ * We don't need to separately check that the directory inodes' keys are
+ * available, as it's implied by the dentries not being no-key names.
+ */
if (old_dir != new_dir) {
if (IS_ENCRYPTED(new_dir) &&
@@ -118,12 +108,25 @@ int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry,
spin_lock(&dentry->d_lock);
dentry->d_flags |= DCACHE_NOKEY_NAME;
spin_unlock(&dentry->d_lock);
- d_set_d_op(dentry, &fscrypt_d_ops);
}
return err;
}
EXPORT_SYMBOL_GPL(__fscrypt_prepare_lookup);
+int __fscrypt_prepare_readdir(struct inode *dir)
+{
+ return fscrypt_get_encryption_info(dir, true);
+}
+EXPORT_SYMBOL_GPL(__fscrypt_prepare_readdir);
+
+int __fscrypt_prepare_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ if (attr->ia_valid & ATTR_SIZE)
+ return fscrypt_require_key(d_inode(dentry));
+ return 0;
+}
+EXPORT_SYMBOL_GPL(__fscrypt_prepare_setattr);
+
/**
* fscrypt_prepare_setflags() - prepare to change flags with FS_IOC_SETFLAGS
* @inode: the inode on which flags are being changed
@@ -139,6 +142,7 @@ int fscrypt_prepare_setflags(struct inode *inode,
unsigned int oldflags, unsigned int flags)
{
struct fscrypt_info *ci;
+ struct key *key;
struct fscrypt_master_key *mk;
int err;
@@ -154,13 +158,14 @@ int fscrypt_prepare_setflags(struct inode *inode,
ci = inode->i_crypt_info;
if (ci->ci_policy.version != FSCRYPT_POLICY_V2)
return -EINVAL;
- mk = ci->ci_master_key->payload.data[0];
- down_read(&mk->mk_secret_sem);
+ key = ci->ci_master_key;
+ mk = key->payload.data[0];
+ down_read(&key->sem);
if (is_master_key_secret_present(&mk->mk_secret))
err = fscrypt_derive_dirhash_key(ci, mk);
else
err = -ENOKEY;
- up_read(&mk->mk_secret_sem);
+ up_read(&key->sem);
return err;
}
return 0;
@@ -326,7 +331,7 @@ const char *fscrypt_get_symlink(struct inode *inode, const void *caddr,
* Try to set up the symlink's encryption key, but we can continue
* regardless of whether the key is available or not.
*/
- err = fscrypt_get_encryption_info(inode);
+ err = fscrypt_get_encryption_info(inode, false);
if (err)
return ERR_PTR(err);
has_key = fscrypt_has_encryption_key(inode);
diff --git a/fs/crypto/inline_crypt.c b/fs/crypto/inline_crypt.c
index c57bebf..7df5877 100644
--- a/fs/crypto/inline_crypt.c
+++ b/fs/crypto/inline_crypt.c
@@ -15,8 +15,10 @@
#include <linux/blk-crypto.h>
#include <linux/blkdev.h>
#include <linux/buffer_head.h>
+#include <linux/keyslot-manager.h>
#include <linux/sched/mm.h>
#include <linux/slab.h>
+#include <linux/uio.h>
#include "fscrypt_private.h"
@@ -64,7 +66,8 @@ static unsigned int fscrypt_get_dun_bytes(const struct fscrypt_info *ci)
}
/* Enable inline encryption for this file if supported. */
-int fscrypt_select_encryption_impl(struct fscrypt_info *ci)
+int fscrypt_select_encryption_impl(struct fscrypt_info *ci,
+ bool is_hw_wrapped_key)
{
const struct inode *inode = ci->ci_inode;
struct super_block *sb = inode->i_sb;
@@ -105,6 +108,7 @@ int fscrypt_select_encryption_impl(struct fscrypt_info *ci)
crypto_cfg.crypto_mode = ci->ci_mode->blk_crypto_mode;
crypto_cfg.data_unit_size = sb->s_blocksize;
crypto_cfg.dun_bytes = fscrypt_get_dun_bytes(ci);
+ crypto_cfg.is_hw_wrapped = is_hw_wrapped_key;
num_devs = fscrypt_get_num_devices(sb);
devs = kmalloc_array(num_devs, sizeof(*devs), GFP_KERNEL);
if (!devs)
@@ -125,6 +129,8 @@ int fscrypt_select_encryption_impl(struct fscrypt_info *ci)
int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
const u8 *raw_key,
+ unsigned int raw_key_size,
+ bool is_hw_wrapped,
const struct fscrypt_info *ci)
{
const struct inode *inode = ci->ci_inode;
@@ -143,7 +149,11 @@ int fscrypt_prepare_inline_crypt_key(struct fscrypt_prepared_key *prep_key,
blk_key->num_devs = num_devs;
fscrypt_get_devices(sb, num_devs, blk_key->devs);
- err = blk_crypto_init_key(&blk_key->base, raw_key, crypto_mode,
+ BUILD_BUG_ON(FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE >
+ BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE);
+
+ err = blk_crypto_init_key(&blk_key->base, raw_key, raw_key_size,
+ is_hw_wrapped, crypto_mode,
fscrypt_get_dun_bytes(ci), sb->s_blocksize);
if (err) {
fscrypt_err(inode, "error %d initializing blk-crypto key", err);
@@ -203,6 +213,21 @@ void fscrypt_destroy_inline_crypt_key(struct fscrypt_prepared_key *prep_key)
}
}
+int fscrypt_derive_raw_secret(struct super_block *sb,
+ const u8 *wrapped_key,
+ unsigned int wrapped_key_size,
+ u8 *raw_secret, unsigned int raw_secret_size)
+{
+ struct request_queue *q;
+
+ q = bdev_get_queue(sb->s_bdev);
+ if (!q->ksm)
+ return -EOPNOTSUPP;
+
+ return blk_ksm_derive_raw_secret(q->ksm, wrapped_key, wrapped_key_size,
+ raw_secret, raw_secret_size);
+}
+
bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode)
{
return inode->i_crypt_info->ci_inlinecrypt;
@@ -238,6 +263,8 @@ static void fscrypt_generate_dun(const struct fscrypt_info *ci, u64 lblk_num,
* otherwise fscrypt_mergeable_bio() won't work as intended.
*
* The encryption context will be freed automatically when the bio is freed.
+ *
+ * This function also handles setting bi_skip_dm_default_key when needed.
*/
void fscrypt_set_bio_crypt_ctx(struct bio *bio, const struct inode *inode,
u64 first_lblk, gfp_t gfp_mask)
@@ -245,6 +272,9 @@ void fscrypt_set_bio_crypt_ctx(struct bio *bio, const struct inode *inode,
const struct fscrypt_info *ci;
u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE];
+ if (fscrypt_inode_should_skip_dm_default_key(inode))
+ bio_set_skip_dm_default_key(bio);
+
if (!fscrypt_inode_uses_inline_crypto(inode))
return;
ci = inode->i_crypt_info;
@@ -315,6 +345,9 @@ EXPORT_SYMBOL_GPL(fscrypt_set_bio_crypt_ctx_bh);
*
* fscrypt_set_bio_crypt_ctx() must have already been called on the bio.
*
+ * This function also returns false if the next part of the I/O would need to
+ * have a different value for the bi_skip_dm_default_key flag.
+ *
* Return: true iff the I/O is mergeable
*/
bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
@@ -325,6 +358,9 @@ bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
if (!!bc != fscrypt_inode_uses_inline_crypto(inode))
return false;
+ if (bio_should_skip_dm_default_key(bio) !=
+ fscrypt_inode_should_skip_dm_default_key(inode))
+ return false;
if (!bc)
return true;
@@ -358,8 +394,83 @@ bool fscrypt_mergeable_bio_bh(struct bio *bio,
u64 next_lblk;
if (!bh_get_inode_and_lblk_num(next_bh, &inode, &next_lblk))
- return !bio->bi_crypt_context;
+ return !bio->bi_crypt_context &&
+ !bio_should_skip_dm_default_key(bio);
return fscrypt_mergeable_bio(bio, inode, next_lblk);
}
EXPORT_SYMBOL_GPL(fscrypt_mergeable_bio_bh);
+
+/**
+ * fscrypt_dio_supported() - check whether a direct I/O request is unsupported
+ * due to encryption constraints
+ * @iocb: the file and position the I/O is targeting
+ * @iter: the I/O data segment(s)
+ *
+ * Return: true if direct I/O is supported
+ */
+bool fscrypt_dio_supported(struct kiocb *iocb, struct iov_iter *iter)
+{
+ const struct inode *inode = file_inode(iocb->ki_filp);
+ const unsigned int blocksize = i_blocksize(inode);
+
+ /* If the file is unencrypted, no veto from us. */
+ if (!fscrypt_needs_contents_encryption(inode))
+ return true;
+
+ /* We only support direct I/O with inline crypto, not fs-layer crypto */
+ if (!fscrypt_inode_uses_inline_crypto(inode))
+ return false;
+
+ /*
+ * Since the granularity of encryption is filesystem blocks, the I/O
+ * must be block aligned -- not just disk sector aligned.
+ */
+ if (!IS_ALIGNED(iocb->ki_pos | iov_iter_alignment(iter), blocksize))
+ return false;
+
+ return true;
+}
+EXPORT_SYMBOL_GPL(fscrypt_dio_supported);
+
+/**
+ * fscrypt_limit_io_blocks() - limit I/O blocks to avoid discontiguous DUNs
+ * @inode: the file on which I/O is being done
+ * @lblk: the block at which the I/O is being started from
+ * @nr_blocks: the number of blocks we want to submit starting at @pos
+ *
+ * Determine the limit to the number of blocks that can be submitted in the bio
+ * targeting @pos without causing a data unit number (DUN) discontinuity.
+ *
+ * This is normally just @nr_blocks, as normally the DUNs just increment along
+ * with the logical blocks. (Or the file is not encrypted.)
+ *
+ * In rare cases, fscrypt can be using an IV generation method that allows the
+ * DUN to wrap around within logically continuous blocks, and that wraparound
+ * will occur. If this happens, a value less than @nr_blocks will be returned
+ * so that the wraparound doesn't occur in the middle of the bio.
+ *
+ * Return: the actual number of blocks that can be submitted
+ */
+u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks)
+{
+ const struct fscrypt_info *ci = inode->i_crypt_info;
+ u32 dun;
+
+ if (!fscrypt_inode_uses_inline_crypto(inode))
+ return nr_blocks;
+
+ if (nr_blocks <= 1)
+ return nr_blocks;
+
+ if (!(fscrypt_policy_flags(&ci->ci_policy) &
+ FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32))
+ return nr_blocks;
+
+ /* With IV_INO_LBLK_32, the DUN can wrap around from U32_MAX to 0. */
+
+ dun = ci->ci_hashed_ino + lblk;
+
+ return min_t(u64, nr_blocks, (u64)U32_MAX + 1 - dun);
+}
+EXPORT_SYMBOL_GPL(fscrypt_limit_io_blocks);
diff --git a/fs/crypto/keyring.c b/fs/crypto/keyring.c
index d7ec52c..c492dea 100644
--- a/fs/crypto/keyring.c
+++ b/fs/crypto/keyring.c
@@ -347,7 +347,6 @@ static int add_new_master_key(struct fscrypt_master_key_secret *secret,
mk->mk_spec = *mk_spec;
move_master_key_secret(&mk->mk_secret, secret);
- init_rwsem(&mk->mk_secret_sem);
refcount_set(&mk->mk_refcount, 1); /* secret is present */
INIT_LIST_HEAD(&mk->mk_decrypted_inodes);
@@ -427,11 +426,8 @@ static int add_existing_master_key(struct fscrypt_master_key *mk,
}
/* Re-add the secret if needed. */
- if (rekey) {
- down_write(&mk->mk_secret_sem);
+ if (rekey)
move_master_key_secret(&mk->mk_secret, secret);
- up_write(&mk->mk_secret_sem);
- }
return 0;
}
@@ -476,6 +472,9 @@ static int do_add_master_key(struct super_block *sb,
return err;
}
+/* Size of software "secret" derived from hardware-wrapped key */
+#define RAW_SECRET_SIZE 32
+
static int add_master_key(struct super_block *sb,
struct fscrypt_master_key_secret *secret,
struct fscrypt_key_specifier *key_spec)
@@ -483,17 +482,28 @@ static int add_master_key(struct super_block *sb,
int err;
if (key_spec->type == FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER) {
- err = fscrypt_init_hkdf(&secret->hkdf, secret->raw,
- secret->size);
+ u8 _kdf_key[RAW_SECRET_SIZE];
+ u8 *kdf_key = secret->raw;
+ unsigned int kdf_key_size = secret->size;
+
+ if (secret->is_hw_wrapped) {
+ kdf_key = _kdf_key;
+ kdf_key_size = RAW_SECRET_SIZE;
+ err = fscrypt_derive_raw_secret(sb, secret->raw,
+ secret->size,
+ kdf_key, kdf_key_size);
+ if (err)
+ return err;
+ }
+ err = fscrypt_init_hkdf(&secret->hkdf, kdf_key, kdf_key_size);
+ /*
+ * Now that the HKDF context is initialized, the raw HKDF key is
+ * no longer needed.
+ */
+ memzero_explicit(kdf_key, kdf_key_size);
if (err)
return err;
- /*
- * Now that the HKDF context is initialized, the raw key is no
- * longer needed.
- */
- memzero_explicit(secret->raw, secret->size);
-
/* Calculate the key identifier */
err = fscrypt_hkdf_expand(&secret->hkdf,
HKDF_CONTEXT_KEY_IDENTIFIER, NULL, 0,
@@ -509,8 +519,10 @@ static int fscrypt_provisioning_key_preparse(struct key_preparsed_payload *prep)
{
const struct fscrypt_provisioning_key_payload *payload = prep->data;
+ BUILD_BUG_ON(FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE < FSCRYPT_MAX_KEY_SIZE);
+
if (prep->datalen < sizeof(*payload) + FSCRYPT_MIN_KEY_SIZE ||
- prep->datalen > sizeof(*payload) + FSCRYPT_MAX_KEY_SIZE)
+ prep->datalen > sizeof(*payload) + FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE)
return -EINVAL;
if (payload->type != FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR &&
@@ -659,15 +671,29 @@ int fscrypt_ioctl_add_key(struct file *filp, void __user *_uarg)
return -EACCES;
memset(&secret, 0, sizeof(secret));
+
+ if (arg.__flags) {
+ if (arg.__flags & ~__FSCRYPT_ADD_KEY_FLAG_HW_WRAPPED)
+ return -EINVAL;
+ if (arg.key_spec.type != FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER)
+ return -EINVAL;
+ secret.is_hw_wrapped = true;
+ }
+
if (arg.key_id) {
if (arg.raw_size != 0)
return -EINVAL;
err = get_keyring_key(arg.key_id, arg.key_spec.type, &secret);
if (err)
goto out_wipe_secret;
+ err = -EINVAL;
+ if (secret.size > FSCRYPT_MAX_KEY_SIZE && !secret.is_hw_wrapped)
+ goto out_wipe_secret;
} else {
if (arg.raw_size < FSCRYPT_MIN_KEY_SIZE ||
- arg.raw_size > FSCRYPT_MAX_KEY_SIZE)
+ arg.raw_size > (secret.is_hw_wrapped ?
+ FSCRYPT_MAX_HW_WRAPPED_KEY_SIZE :
+ FSCRYPT_MAX_KEY_SIZE))
return -EINVAL;
secret.size = arg.raw_size;
err = -EFAULT;
@@ -975,10 +1001,8 @@ static int do_remove_key(struct file *filp, void __user *_uarg, bool all_users)
/* No user claims remaining. Go ahead and wipe the secret. */
dead = false;
if (is_master_key_secret_present(&mk->mk_secret)) {
- down_write(&mk->mk_secret_sem);
wipe_master_key_secret(&mk->mk_secret);
dead = refcount_dec_and_test(&mk->mk_refcount);
- up_write(&mk->mk_secret_sem);
}
up_write(&key->sem);
if (dead) {
diff --git a/fs/crypto/keysetup.c b/fs/crypto/keysetup.c
index 73d96e3..05f4693 100644
--- a/fs/crypto/keysetup.c
+++ b/fs/crypto/keysetup.c
@@ -126,12 +126,17 @@ fscrypt_allocate_skcipher(struct fscrypt_mode *mode, const u8 *raw_key,
* (fs-layer or blk-crypto) will be used.
*/
int fscrypt_prepare_key(struct fscrypt_prepared_key *prep_key,
- const u8 *raw_key, const struct fscrypt_info *ci)
+ const u8 *raw_key, unsigned int raw_key_size,
+ bool is_hw_wrapped, const struct fscrypt_info *ci)
{
struct crypto_skcipher *tfm;
if (fscrypt_using_inline_encryption(ci))
- return fscrypt_prepare_inline_crypt_key(prep_key, raw_key, ci);
+ return fscrypt_prepare_inline_crypt_key(prep_key,
+ raw_key, raw_key_size, is_hw_wrapped, ci);
+
+ if (WARN_ON(is_hw_wrapped || raw_key_size != ci->ci_mode->keysize))
+ return -EINVAL;
tfm = fscrypt_allocate_skcipher(ci->ci_mode, raw_key, ci->ci_inode);
if (IS_ERR(tfm))
@@ -157,7 +162,9 @@ void fscrypt_destroy_prepared_key(struct fscrypt_prepared_key *prep_key)
int fscrypt_set_per_file_enc_key(struct fscrypt_info *ci, const u8 *raw_key)
{
ci->ci_owns_key = true;
- return fscrypt_prepare_key(&ci->ci_enc_key, raw_key, ci);
+ return fscrypt_prepare_key(&ci->ci_enc_key, raw_key,
+ ci->ci_mode->keysize,
+ false /*is_hw_wrapped*/, ci);
}
static int setup_per_mode_enc_key(struct fscrypt_info *ci,
@@ -189,24 +196,48 @@ static int setup_per_mode_enc_key(struct fscrypt_info *ci,
if (fscrypt_is_key_prepared(prep_key, ci))
goto done_unlock;
- BUILD_BUG_ON(sizeof(mode_num) != 1);
- BUILD_BUG_ON(sizeof(sb->s_uuid) != 16);
- BUILD_BUG_ON(sizeof(hkdf_info) != 17);
- hkdf_info[hkdf_infolen++] = mode_num;
- if (include_fs_uuid) {
- memcpy(&hkdf_info[hkdf_infolen], &sb->s_uuid,
- sizeof(sb->s_uuid));
- hkdf_infolen += sizeof(sb->s_uuid);
+ if (mk->mk_secret.is_hw_wrapped && S_ISREG(inode->i_mode)) {
+ int i;
+
+ if (!fscrypt_using_inline_encryption(ci)) {
+ fscrypt_warn(ci->ci_inode,
+ "Hardware-wrapped keys require inline encryption (-o inlinecrypt)");
+ err = -EINVAL;
+ goto out_unlock;
+ }
+ for (i = 0; i <= FSCRYPT_MODE_MAX; i++) {
+ if (fscrypt_is_key_prepared(&keys[i], ci)) {
+ fscrypt_warn(ci->ci_inode,
+ "Each hardware-wrapped key can only be used with one encryption mode");
+ err = -EINVAL;
+ goto out_unlock;
+ }
+ }
+ err = fscrypt_prepare_key(prep_key, mk->mk_secret.raw,
+ mk->mk_secret.size, true, ci);
+ if (err)
+ goto out_unlock;
+ } else {
+ BUILD_BUG_ON(sizeof(mode_num) != 1);
+ BUILD_BUG_ON(sizeof(sb->s_uuid) != 16);
+ BUILD_BUG_ON(sizeof(hkdf_info) != 17);
+ hkdf_info[hkdf_infolen++] = mode_num;
+ if (include_fs_uuid) {
+ memcpy(&hkdf_info[hkdf_infolen], &sb->s_uuid,
+ sizeof(sb->s_uuid));
+ hkdf_infolen += sizeof(sb->s_uuid);
+ }
+ err = fscrypt_hkdf_expand(&mk->mk_secret.hkdf,
+ hkdf_context, hkdf_info, hkdf_infolen,
+ mode_key, mode->keysize);
+ if (err)
+ goto out_unlock;
+ err = fscrypt_prepare_key(prep_key, mode_key, mode->keysize,
+ false /*is_hw_wrapped*/, ci);
+ memzero_explicit(mode_key, mode->keysize);
+ if (err)
+ goto out_unlock;
}
- err = fscrypt_hkdf_expand(&mk->mk_secret.hkdf,
- hkdf_context, hkdf_info, hkdf_infolen,
- mode_key, mode->keysize);
- if (err)
- goto out_unlock;
- err = fscrypt_prepare_key(prep_key, mode_key, ci);
- memzero_explicit(mode_key, mode->keysize);
- if (err)
- goto out_unlock;
done_unlock:
ci->ci_enc_key = *prep_key;
err = 0;
@@ -311,6 +342,14 @@ static int fscrypt_setup_v2_file_key(struct fscrypt_info *ci,
{
int err;
+ if (mk->mk_secret.is_hw_wrapped &&
+ !(ci->ci_policy.v2.flags & (FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 |
+ FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32))) {
+ fscrypt_warn(ci->ci_inode,
+ "Hardware-wrapped keys are only supported with IV_INO_LBLK policies");
+ return -EINVAL;
+ }
+
if (ci->ci_policy.v2.flags & FSCRYPT_POLICY_FLAG_DIRECT_KEY) {
/*
* DIRECT_KEY: instead of deriving per-file encryption keys, the
@@ -405,11 +444,11 @@ static bool fscrypt_valid_master_key_size(const struct fscrypt_master_key *mk,
* Find the master key, then set up the inode's actual encryption key.
*
* If the master key is found in the filesystem-level keyring, then the
- * corresponding 'struct key' is returned in *master_key_ret with
- * ->mk_secret_sem read-locked. This is needed to ensure that only one task
- * links the fscrypt_info into ->mk_decrypted_inodes (as multiple tasks may race
- * to create an fscrypt_info for the same inode), and to synchronize the master
- * key being removed with a new inode starting to use it.
+ * corresponding 'struct key' is returned in *master_key_ret with its semaphore
+ * read-locked. This is needed to ensure that only one task links the
+ * fscrypt_info into ->mk_decrypted_inodes (as multiple tasks may race to create
+ * an fscrypt_info for the same inode), and to synchronize the master key being
+ * removed with a new inode starting to use it.
*/
static int setup_file_encryption_key(struct fscrypt_info *ci,
bool need_dirhash_key,
@@ -420,10 +459,6 @@ static int setup_file_encryption_key(struct fscrypt_info *ci,
struct fscrypt_key_specifier mk_spec;
int err;
- err = fscrypt_select_encryption_impl(ci);
- if (err)
- return err;
-
switch (ci->ci_policy.version) {
case FSCRYPT_POLICY_V1:
mk_spec.type = FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR;
@@ -448,6 +483,10 @@ static int setup_file_encryption_key(struct fscrypt_info *ci,
ci->ci_policy.version != FSCRYPT_POLICY_V1)
return PTR_ERR(key);
+ err = fscrypt_select_encryption_impl(ci, false);
+ if (err)
+ return err;
+
/*
* As a legacy fallback for v1 policies, search for the key in
* the current task's subscribed keyrings too. Don't move this
@@ -458,7 +497,7 @@ static int setup_file_encryption_key(struct fscrypt_info *ci,
}
mk = key->payload.data[0];
- down_read(&mk->mk_secret_sem);
+ down_read(&key->sem);
/* Has the secret been removed (via FS_IOC_REMOVE_ENCRYPTION_KEY)? */
if (!is_master_key_secret_present(&mk->mk_secret)) {
@@ -471,6 +510,10 @@ static int setup_file_encryption_key(struct fscrypt_info *ci,
goto out_release_key;
}
+ err = fscrypt_select_encryption_impl(ci, mk->mk_secret.is_hw_wrapped);
+ if (err)
+ goto out_release_key;
+
switch (ci->ci_policy.version) {
case FSCRYPT_POLICY_V1:
err = fscrypt_setup_v1_file_key(ci, mk->mk_secret.raw);
@@ -490,7 +533,7 @@ static int setup_file_encryption_key(struct fscrypt_info *ci,
return 0;
out_release_key:
- up_read(&mk->mk_secret_sem);
+ up_read(&key->sem);
key_put(key);
return err;
}
@@ -593,9 +636,7 @@ fscrypt_setup_encryption_info(struct inode *inode,
res = 0;
out:
if (master_key) {
- struct fscrypt_master_key *mk = master_key->payload.data[0];
-
- up_read(&mk->mk_secret_sem);
+ up_read(&master_key->sem);
key_put(master_key);
}
put_crypt_info(crypt_info);
@@ -605,6 +646,11 @@ fscrypt_setup_encryption_info(struct inode *inode,
/**
* fscrypt_get_encryption_info() - set up an inode's encryption key
* @inode: the inode to set up the key for. Must be encrypted.
+ * @allow_unsupported: if %true, treat an unsupported encryption policy (or
+ * unrecognized encryption context) the same way as the key
+ * being unavailable, instead of returning an error. Use
+ * %false unless the operation being performed is needed in
+ * order for files (or directories) to be deleted.
*
* Set up ->i_crypt_info, if it hasn't already been done.
*
@@ -615,7 +661,7 @@ fscrypt_setup_encryption_info(struct inode *inode,
* encryption key is unavailable. (Use fscrypt_has_encryption_key() to
* distinguish these cases.) Also can return another -errno code.
*/
-int fscrypt_get_encryption_info(struct inode *inode)
+int fscrypt_get_encryption_info(struct inode *inode, bool allow_unsupported)
{
int res;
union fscrypt_context ctx;
@@ -626,29 +672,38 @@ int fscrypt_get_encryption_info(struct inode *inode)
res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx));
if (res < 0) {
+ if (res == -ERANGE && allow_unsupported)
+ return 0;
fscrypt_warn(inode, "Error %d getting encryption context", res);
return res;
}
res = fscrypt_policy_from_context(&policy, &ctx, res);
if (res) {
+ if (allow_unsupported)
+ return 0;
fscrypt_warn(inode,
"Unrecognized or corrupt encryption context");
return res;
}
- if (!fscrypt_supported_policy(&policy, inode))
+ if (!fscrypt_supported_policy(&policy, inode)) {
+ if (allow_unsupported)
+ return 0;
return -EINVAL;
+ }
res = fscrypt_setup_encryption_info(inode, &policy,
fscrypt_context_nonce(&ctx),
IS_CASEFOLDED(inode) &&
S_ISDIR(inode->i_mode));
+
+ if (res == -ENOPKG && allow_unsupported) /* Algorithm unavailable? */
+ res = 0;
if (res == -ENOKEY)
res = 0;
return res;
}
-EXPORT_SYMBOL(fscrypt_get_encryption_info);
/**
* fscrypt_prepare_new_inode() - prepare to create a new inode in a directory
@@ -769,7 +824,7 @@ int fscrypt_drop_inode(struct inode *inode)
return 0;
/*
- * Note: since we aren't holding ->mk_secret_sem, the result here can
+ * Note: since we aren't holding the key semaphore, the result here can
* immediately become outdated. But there's no correctness problem with
* unnecessarily evicting. Nor is there a correctness problem with not
* evicting while iput() is racing with the key being removed, since
diff --git a/fs/crypto/keysetup_v1.c b/fs/crypto/keysetup_v1.c
index 2762c53..f0c22b5 100644
--- a/fs/crypto/keysetup_v1.c
+++ b/fs/crypto/keysetup_v1.c
@@ -233,7 +233,8 @@ fscrypt_get_direct_key(const struct fscrypt_info *ci, const u8 *raw_key)
return ERR_PTR(-ENOMEM);
refcount_set(&dk->dk_refcount, 1);
dk->dk_mode = ci->ci_mode;
- err = fscrypt_prepare_key(&dk->dk_key, raw_key, ci);
+ err = fscrypt_prepare_key(&dk->dk_key, raw_key, ci->ci_mode->keysize,
+ false /*is_hw_wrapped*/, ci);
if (err)
goto err_free_dk;
memcpy(dk->dk_descriptor, ci->ci_policy.v1.master_key_descriptor,
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index faa0f21..a51cef6 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -590,7 +590,7 @@ EXPORT_SYMBOL_GPL(fscrypt_ioctl_get_nonce);
int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
{
union fscrypt_policy parent_policy, child_policy;
- int err;
+ int err, err1, err2;
/* No restrictions on file types which are never encrypted */
if (!S_ISREG(child->i_mode) && !S_ISDIR(child->i_mode) &&
@@ -620,19 +620,25 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child)
* In any case, if an unexpected error occurs, fall back to "forbidden".
*/
- err = fscrypt_get_encryption_info(parent);
+ err = fscrypt_get_encryption_info(parent, true);
if (err)
return 0;
- err = fscrypt_get_encryption_info(child);
+ err = fscrypt_get_encryption_info(child, true);
if (err)
return 0;
- err = fscrypt_get_policy(parent, &parent_policy);
- if (err)
- return 0;
+ err1 = fscrypt_get_policy(parent, &parent_policy);
+ err2 = fscrypt_get_policy(child, &child_policy);
- err = fscrypt_get_policy(child, &child_policy);
- if (err)
+ /*
+ * Allow the case where the parent and child both have an unrecognized
+ * encryption policy, so that files with an unrecognized encryption
+ * policy can be deleted.
+ */
+ if (err1 == -EINVAL && err2 == -EINVAL)
+ return 1;
+
+ if (err1 || err2)
return 0;
return fscrypt_policies_equal(&parent_policy, &child_policy);
diff --git a/fs/direct-io.c b/fs/direct-io.c
index c64d4eb3..a70fc32 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/fs.h>
+#include <linux/fscrypt.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/highmem.h>
@@ -392,6 +393,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
sector_t first_sector, int nr_vecs)
{
struct bio *bio;
+ struct inode *inode = dio->inode;
/*
* bio_alloc() is guaranteed to return a bio when allowed to sleep and
@@ -399,6 +401,9 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
*/
bio = bio_alloc(GFP_KERNEL, nr_vecs);
+ fscrypt_set_bio_crypt_ctx(bio, inode,
+ sdio->cur_page_fs_offset >> inode->i_blkbits,
+ GFP_KERNEL);
bio_set_dev(bio, bdev);
bio->bi_iter.bi_sector = first_sector;
bio_set_op_attrs(bio, dio->op, dio->op_flags);
@@ -763,9 +768,17 @@ static inline int dio_send_cur_page(struct dio *dio, struct dio_submit *sdio,
* current logical offset in the file does not equal what would
* be the next logical offset in the bio, submit the bio we
* have.
+ *
+ * When fscrypt inline encryption is used, data unit number
+ * (DUN) contiguity is also required. Normally that's implied
+ * by logical contiguity. However, certain IV generation
+ * methods (e.g. IV_INO_LBLK_32) don't guarantee it. So, we
+ * must explicitly check fscrypt_mergeable_bio() too.
*/
if (sdio->final_block_in_bio != sdio->cur_page_block ||
- cur_offset != bio_next_offset)
+ cur_offset != bio_next_offset ||
+ !fscrypt_mergeable_bio(sdio->bio, dio->inode,
+ cur_offset >> dio->inode->i_blkbits))
dio_bio_submit(dio, sdio);
}
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index e23752d..12616d5 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1040,7 +1040,8 @@ ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode,
goto out;
}
inode_lock(lower_inode);
- rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size);
+ rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size,
+ XATTR_NOSECURITY);
inode_unlock(lower_inode);
out:
return rc;
@@ -1125,7 +1126,8 @@ const struct inode_operations ecryptfs_main_iops = {
static int ecryptfs_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return ecryptfs_getxattr(dentry, inode, name, buffer, size);
}
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index 019572c..bc1ca4d 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -422,7 +422,7 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode)
}
inode_lock(lower_inode);
size = __vfs_getxattr(lower_dentry, lower_inode, ECRYPTFS_XATTR_NAME,
- xattr_virt, PAGE_SIZE);
+ xattr_virt, PAGE_SIZE, XATTR_NOSECURITY);
if (size < 0)
size = 8;
put_unaligned_be64(i_size_read(ecryptfs_inode), xattr_virt);
diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig
index 74b0aaa..858b3339f 100644
--- a/fs/erofs/Kconfig
+++ b/fs/erofs/Kconfig
@@ -76,17 +76,3 @@
If you don't want to enable compression feature, say N.
-config EROFS_FS_CLUSTER_PAGE_LIMIT
- int "EROFS Cluster Pages Hard Limit"
- depends on EROFS_FS_ZIP
- range 1 256
- default "1"
- help
- Indicates maximum # of pages of a compressed
- physical cluster.
-
- For example, if files in a image were compressed
- into 8k-unit, hard limit should not be configured
- less than 2. Otherwise, the image will be refused
- to mount on this kernel.
-
diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile
index 46f2aa4..1f9aced 100644
--- a/fs/erofs/Makefile
+++ b/fs/erofs/Makefile
@@ -1,11 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
-EROFS_VERSION = "1.0"
-
-ccflags-y += -DEROFS_VERSION=\"$(EROFS_VERSION)\"
-
obj-$(CONFIG_EROFS_FS) += erofs.o
-erofs-objs := super.o inode.o data.o namei.o dir.o utils.o
+erofs-objs := super.o inode.o data.o namei.o dir.o utils.o pcpubuf.o
erofs-$(CONFIG_EROFS_FS_XATTR) += xattr.o
erofs-$(CONFIG_EROFS_FS_ZIP) += decompressor.o zmap.o zdata.o
-
diff --git a/fs/erofs/compress.h b/fs/erofs/compress.h
index 3d45244..aea129d 100644
--- a/fs/erofs/compress.h
+++ b/fs/erofs/compress.h
@@ -26,30 +26,58 @@ struct z_erofs_decompress_req {
bool inplace_io, partial_decoding;
};
+/* some special page->private (unsigned long, see below) */
+#define Z_EROFS_SHORTLIVED_PAGE (-1UL << 2)
+#define Z_EROFS_PREALLOCATED_PAGE (-2UL << 2)
+
/*
- * - 0x5A110C8D ('sallocated', Z_EROFS_MAPPING_STAGING) -
- * used to mark temporary allocated pages from other
- * file/cached pages and NULL mapping pages.
+ * For all pages in a pcluster, page->private should be one of
+ * Type Last 2bits page->private
+ * short-lived page 00 Z_EROFS_SHORTLIVED_PAGE
+ * preallocated page (tryalloc) 00 Z_EROFS_PREALLOCATED_PAGE
+ * cached/managed page 00 pointer to z_erofs_pcluster
+ * online page (file-backed, 01/10/11 sub-index << 2 | count
+ * some pages can be used for inplace I/O)
+ *
+ * page->mapping should be one of
+ * Type page->mapping
+ * short-lived page NULL
+ * preallocated page NULL
+ * cached/managed page non-NULL or NULL (invalidated/truncated page)
+ * online page non-NULL
+ *
+ * For all managed pages, PG_private should be set with 1 extra refcount,
+ * which is used for page reclaim / migration.
*/
-#define Z_EROFS_MAPPING_STAGING ((void *)0x5A110C8D)
-/* check if a page is marked as staging */
-static inline bool z_erofs_page_is_staging(struct page *page)
+/*
+ * short-lived pages are pages directly from buddy system with specific
+ * page->private (no need to set PagePrivate since these are non-LRU /
+ * non-movable pages and bypass reclaim / migration code).
+ */
+static inline bool z_erofs_is_shortlived_page(struct page *page)
{
- return page->mapping == Z_EROFS_MAPPING_STAGING;
-}
-
-static inline bool z_erofs_put_stagingpage(struct list_head *pagepool,
- struct page *page)
-{
- if (!z_erofs_page_is_staging(page))
+ if (page->private != Z_EROFS_SHORTLIVED_PAGE)
return false;
- /* staging pages should not be used by others at the same time */
- if (page_ref_count(page) > 1)
+ DBG_BUGON(page->mapping);
+ return true;
+}
+
+static inline bool z_erofs_put_shortlivedpage(struct list_head *pagepool,
+ struct page *page)
+{
+ if (!z_erofs_is_shortlived_page(page))
+ return false;
+
+ /* short-lived pages should not be used by others at the same time */
+ if (page_ref_count(page) > 1) {
put_page(page);
- else
+ } else {
+ /* follow the pcluster rule above. */
+ set_page_private(page, 0);
list_add(&page->lru, pagepool);
+ }
return true;
}
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index ea4f693..76c47c3 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -109,21 +109,6 @@ static int erofs_map_blocks_flatmode(struct inode *inode,
return err;
}
-int erofs_map_blocks(struct inode *inode,
- struct erofs_map_blocks *map, int flags)
-{
- if (erofs_inode_is_data_compressed(EROFS_I(inode)->datalayout)) {
- int err = z_erofs_map_blocks_iter(inode, map, flags);
-
- if (map->mpage) {
- put_page(map->mpage);
- map->mpage = NULL;
- }
- return err;
- }
- return erofs_map_blocks_flatmode(inode, map, flags);
-}
-
static inline struct bio *erofs_read_raw_page(struct bio *bio,
struct address_space *mapping,
struct page *page,
@@ -159,7 +144,7 @@ static inline struct bio *erofs_read_raw_page(struct bio *bio,
erofs_blk_t blknr;
unsigned int blkoff;
- err = erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW);
+ err = erofs_map_blocks_flatmode(inode, &map, EROFS_GET_BLOCKS_RAW);
if (err)
goto err_out;
@@ -326,7 +311,7 @@ static sector_t erofs_bmap(struct address_space *mapping, sector_t block)
return 0;
}
- if (!erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW))
+ if (!erofs_map_blocks_flatmode(inode, &map, EROFS_GET_BLOCKS_RAW))
return erofs_blknr(map.m_pa);
return 0;
diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c
index 8a6260a..0b2e465 100644
--- a/fs/erofs/decompressor.c
+++ b/fs/erofs/decompressor.c
@@ -28,6 +28,42 @@ struct z_erofs_decompressor {
char *name;
};
+int z_erofs_load_lz4_config(struct super_block *sb,
+ struct erofs_super_block *dsb,
+ struct z_erofs_lz4_cfgs *lz4, int size)
+{
+ struct erofs_sb_info *sbi = EROFS_SB(sb);
+ u16 distance;
+
+ if (lz4) {
+ if (size < sizeof(struct z_erofs_lz4_cfgs)) {
+ erofs_err(sb, "invalid lz4 cfgs, size=%u", size);
+ return -EINVAL;
+ }
+ distance = le16_to_cpu(lz4->max_distance);
+
+ sbi->lz4.max_pclusterblks = le16_to_cpu(lz4->max_pclusterblks);
+ if (!sbi->lz4.max_pclusterblks) {
+ sbi->lz4.max_pclusterblks = 1; /* reserved case */
+ } else if (sbi->lz4.max_pclusterblks >
+ Z_EROFS_PCLUSTER_MAX_SIZE / EROFS_BLKSIZ) {
+ erofs_err(sb, "too large lz4 pclusterblks %u",
+ sbi->lz4.max_pclusterblks);
+ return -EINVAL;
+ } else if (sbi->lz4.max_pclusterblks >= 2) {
+ erofs_info(sb, "EXPERIMENTAL big pcluster feature in use. Use at your own risk!");
+ }
+ } else {
+ distance = le16_to_cpu(dsb->u1.lz4_max_distance);
+ sbi->lz4.max_pclusterblks = 1;
+ }
+
+ sbi->lz4.max_distance_pages = distance ?
+ DIV_ROUND_UP(distance, PAGE_SIZE) + 1 :
+ LZ4_MAX_DISTANCE_PAGES;
+ return erofs_pcpubuf_growsize(sbi->lz4.max_pclusterblks);
+}
+
static int z_erofs_lz4_prepare_destpages(struct z_erofs_decompress_req *rq,
struct list_head *pagepool)
{
@@ -36,6 +72,8 @@ static int z_erofs_lz4_prepare_destpages(struct z_erofs_decompress_req *rq,
struct page *availables[LZ4_MAX_DISTANCE_PAGES] = { NULL };
unsigned long bounced[DIV_ROUND_UP(LZ4_MAX_DISTANCE_PAGES,
BITS_PER_LONG)] = { 0 };
+ unsigned int lz4_max_distance_pages =
+ EROFS_SB(rq->sb)->lz4.max_distance_pages;
void *kaddr = NULL;
unsigned int i, j, top;
@@ -44,14 +82,14 @@ static int z_erofs_lz4_prepare_destpages(struct z_erofs_decompress_req *rq,
struct page *const page = rq->out[i];
struct page *victim;
- if (j >= LZ4_MAX_DISTANCE_PAGES)
+ if (j >= lz4_max_distance_pages)
j = 0;
/* 'valid' bounced can only be tested after a complete round */
if (test_bit(j, bounced)) {
- DBG_BUGON(i < LZ4_MAX_DISTANCE_PAGES);
- DBG_BUGON(top >= LZ4_MAX_DISTANCE_PAGES);
- availables[top++] = rq->out[i - LZ4_MAX_DISTANCE_PAGES];
+ DBG_BUGON(i < lz4_max_distance_pages);
+ DBG_BUGON(top >= lz4_max_distance_pages);
+ availables[top++] = rq->out[i - lz4_max_distance_pages];
}
if (page) {
@@ -73,105 +111,131 @@ static int z_erofs_lz4_prepare_destpages(struct z_erofs_decompress_req *rq,
victim = availables[--top];
get_page(victim);
} else {
- victim = erofs_allocpage(pagepool, GFP_KERNEL);
- if (!victim)
- return -ENOMEM;
- victim->mapping = Z_EROFS_MAPPING_STAGING;
+ victim = erofs_allocpage(pagepool,
+ GFP_KERNEL | __GFP_NOFAIL);
+ set_page_private(victim, Z_EROFS_SHORTLIVED_PAGE);
}
rq->out[i] = victim;
}
return kaddr ? 1 : 0;
}
-static void *generic_copy_inplace_data(struct z_erofs_decompress_req *rq,
- u8 *src, unsigned int pageofs_in)
+static void *z_erofs_handle_inplace_io(struct z_erofs_decompress_req *rq,
+ void *inpage, unsigned int *inputmargin, int *maptype,
+ bool support_0padding)
{
- /*
- * if in-place decompression is ongoing, those decompressed
- * pages should be copied in order to avoid being overlapped.
- */
- struct page **in = rq->in;
- u8 *const tmp = erofs_get_pcpubuf(0);
- u8 *tmpp = tmp;
- unsigned int inlen = rq->inputsize - pageofs_in;
- unsigned int count = min_t(uint, inlen, PAGE_SIZE - pageofs_in);
+ unsigned int nrpages_in, nrpages_out;
+ unsigned int ofull, oend, inputsize, total, i, j;
+ struct page **in;
+ void *src, *tmp;
- while (tmpp < tmp + inlen) {
- if (!src)
- src = kmap_atomic(*in);
- memcpy(tmpp, src + pageofs_in, count);
- kunmap_atomic(src);
- src = NULL;
- tmpp += count;
- pageofs_in = 0;
- count = PAGE_SIZE;
- ++in;
+ inputsize = rq->inputsize;
+ nrpages_in = PAGE_ALIGN(inputsize) >> PAGE_SHIFT;
+ oend = rq->pageofs_out + rq->outputsize;
+ ofull = PAGE_ALIGN(oend);
+ nrpages_out = ofull >> PAGE_SHIFT;
+
+ if (rq->inplace_io) {
+ if (rq->partial_decoding || !support_0padding ||
+ ofull - oend < LZ4_DECOMPRESS_INPLACE_MARGIN(inputsize))
+ goto docopy;
+
+ for (i = 0; i < nrpages_in; ++i) {
+ DBG_BUGON(rq->in[i] == NULL);
+ for (j = 0; j < nrpages_out - nrpages_in + i; ++j)
+ if (rq->out[j] == rq->in[i])
+ goto docopy;
+ }
}
- return tmp;
+
+ if (nrpages_in <= 1) {
+ *maptype = 0;
+ return inpage;
+ }
+ kunmap_atomic(inpage);
+ might_sleep();
+ src = erofs_vm_map_ram(rq->in, nrpages_in);
+ if (!src)
+ return ERR_PTR(-ENOMEM);
+ *maptype = 1;
+ return src;
+
+docopy:
+ /* Or copy compressed data which can be overlapped to per-CPU buffer */
+ in = rq->in;
+ src = erofs_get_pcpubuf(nrpages_in);
+ if (!src) {
+ DBG_BUGON(1);
+ kunmap_atomic(inpage);
+ return ERR_PTR(-EFAULT);
+ }
+
+ tmp = src;
+ total = rq->inputsize;
+ while (total) {
+ unsigned int page_copycnt =
+ min_t(unsigned int, total, PAGE_SIZE - *inputmargin);
+
+ if (!inpage)
+ inpage = kmap_atomic(*in);
+ memcpy(tmp, inpage + *inputmargin, page_copycnt);
+ kunmap_atomic(inpage);
+ inpage = NULL;
+ tmp += page_copycnt;
+ total -= page_copycnt;
+ ++in;
+ *inputmargin = 0;
+ }
+ *maptype = 2;
+ return src;
}
static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq, u8 *out)
{
- unsigned int inputmargin, inlen;
- u8 *src;
- bool copied, support_0padding;
- int ret;
+ unsigned int inputmargin;
+ u8 *headpage, *src;
+ bool support_0padding;
+ int ret, maptype;
- if (rq->inputsize > PAGE_SIZE)
- return -EOPNOTSUPP;
-
- src = kmap_atomic(*rq->in);
+ DBG_BUGON(*rq->in == NULL);
+ headpage = kmap_atomic(*rq->in);
inputmargin = 0;
support_0padding = false;
/* decompression inplace is only safe when 0padding is enabled */
- if (EROFS_SB(rq->sb)->feature_incompat &
- EROFS_FEATURE_INCOMPAT_LZ4_0PADDING) {
+ if (erofs_sb_has_lz4_0padding(EROFS_SB(rq->sb))) {
support_0padding = true;
- while (!src[inputmargin & ~PAGE_MASK])
+ while (!headpage[inputmargin & ~PAGE_MASK])
if (!(++inputmargin & ~PAGE_MASK))
break;
if (inputmargin >= rq->inputsize) {
- kunmap_atomic(src);
+ kunmap_atomic(headpage);
return -EIO;
}
}
- copied = false;
- inlen = rq->inputsize - inputmargin;
- if (rq->inplace_io) {
- const uint oend = (rq->pageofs_out +
- rq->outputsize) & ~PAGE_MASK;
- const uint nr = PAGE_ALIGN(rq->pageofs_out +
- rq->outputsize) >> PAGE_SHIFT;
-
- if (rq->partial_decoding || !support_0padding ||
- rq->out[nr - 1] != rq->in[0] ||
- rq->inputsize - oend <
- LZ4_DECOMPRESS_INPLACE_MARGIN(inlen)) {
- src = generic_copy_inplace_data(rq, src, inputmargin);
- inputmargin = 0;
- copied = true;
- }
- }
+ rq->inputsize -= inputmargin;
+ src = z_erofs_handle_inplace_io(rq, headpage, &inputmargin, &maptype,
+ support_0padding);
+ if (IS_ERR(src))
+ return PTR_ERR(src);
/* legacy format could compress extra data in a pcluster. */
if (rq->partial_decoding || !support_0padding)
ret = LZ4_decompress_safe_partial(src + inputmargin, out,
- inlen, rq->outputsize,
- rq->outputsize);
+ rq->inputsize, rq->outputsize, rq->outputsize);
else
ret = LZ4_decompress_safe(src + inputmargin, out,
- inlen, rq->outputsize);
+ rq->inputsize, rq->outputsize);
if (ret != rq->outputsize) {
erofs_err(rq->sb, "failed to decompress %d in[%u, %u] out[%u]",
- ret, inlen, inputmargin, rq->outputsize);
+ ret, rq->inputsize, inputmargin, rq->outputsize);
print_hex_dump(KERN_DEBUG, "[ in]: ", DUMP_PREFIX_OFFSET,
- 16, 1, src + inputmargin, inlen, true);
+ 16, 1, src + inputmargin, rq->inputsize, true);
print_hex_dump(KERN_DEBUG, "[out]: ", DUMP_PREFIX_OFFSET,
16, 1, out, rq->outputsize, true);
@@ -180,10 +244,16 @@ static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq, u8 *out)
ret = -EIO;
}
- if (copied)
- erofs_put_pcpubuf(src);
- else
+ if (maptype == 0) {
kunmap_atomic(src);
+ } else if (maptype == 1) {
+ vm_unmap_ram(src, PAGE_ALIGN(rq->inputsize) >> PAGE_SHIFT);
+ } else if (maptype == 2) {
+ erofs_put_pcpubuf(src);
+ } else {
+ DBG_BUGON(1);
+ return -EFAULT;
+ }
return ret;
}
@@ -233,57 +303,51 @@ static int z_erofs_decompress_generic(struct z_erofs_decompress_req *rq,
const struct z_erofs_decompressor *alg = decompressors + rq->alg;
unsigned int dst_maptype;
void *dst;
- int ret, i;
+ int ret;
- if (nrpages_out == 1 && !rq->inplace_io) {
- DBG_BUGON(!*rq->out);
- dst = kmap_atomic(*rq->out);
- dst_maptype = 0;
- goto dstmap_out;
+ /* two optimized fast paths only for non bigpcluster cases yet */
+ if (rq->inputsize <= PAGE_SIZE) {
+ if (nrpages_out == 1 && !rq->inplace_io) {
+ DBG_BUGON(!*rq->out);
+ dst = kmap_atomic(*rq->out);
+ dst_maptype = 0;
+ goto dstmap_out;
+ }
+
+ /*
+ * For the case of small output size (especially much less
+ * than PAGE_SIZE), memcpy the decompressed data rather than
+ * compressed data is preferred.
+ */
+ if (rq->outputsize <= PAGE_SIZE * 7 / 8) {
+ dst = erofs_get_pcpubuf(1);
+ if (IS_ERR(dst))
+ return PTR_ERR(dst);
+
+ rq->inplace_io = false;
+ ret = alg->decompress(rq, dst);
+ if (!ret)
+ copy_from_pcpubuf(rq->out, dst, rq->pageofs_out,
+ rq->outputsize);
+
+ erofs_put_pcpubuf(dst);
+ return ret;
+ }
}
- /*
- * For the case of small output size (especially much less
- * than PAGE_SIZE), memcpy the decompressed data rather than
- * compressed data is preferred.
- */
- if (rq->outputsize <= PAGE_SIZE * 7 / 8) {
- dst = erofs_get_pcpubuf(0);
- if (IS_ERR(dst))
- return PTR_ERR(dst);
-
- rq->inplace_io = false;
- ret = alg->decompress(rq, dst);
- if (!ret)
- copy_from_pcpubuf(rq->out, dst, rq->pageofs_out,
- rq->outputsize);
-
- erofs_put_pcpubuf(dst);
- return ret;
- }
-
+ /* general decoding path which can be used for all cases */
ret = alg->prepare_destpages(rq, pagepool);
- if (ret < 0) {
+ if (ret < 0)
return ret;
- } else if (ret) {
+ if (ret) {
dst = page_address(*rq->out);
dst_maptype = 1;
goto dstmap_out;
}
- i = 0;
- while (1) {
- dst = vm_map_ram(rq->out, nrpages_out, -1);
-
- /* retry two more times (totally 3 times) */
- if (dst || ++i >= 3)
- break;
- vm_unmap_aliases();
- }
-
+ dst = erofs_vm_map_ram(rq->out, nrpages_out);
if (!dst)
return -ENOMEM;
-
dst_maptype = 2;
dstmap_out:
diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h
index e8d04d8..8739d3a 100644
--- a/fs/erofs/erofs_fs.h
+++ b/fs/erofs/erofs_fs.h
@@ -18,15 +18,22 @@
* be incompatible with this kernel version.
*/
#define EROFS_FEATURE_INCOMPAT_LZ4_0PADDING 0x00000001
-#define EROFS_ALL_FEATURE_INCOMPAT EROFS_FEATURE_INCOMPAT_LZ4_0PADDING
+#define EROFS_FEATURE_INCOMPAT_COMPR_CFGS 0x00000002
+#define EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER 0x00000002
+#define EROFS_ALL_FEATURE_INCOMPAT \
+ (EROFS_FEATURE_INCOMPAT_LZ4_0PADDING | \
+ EROFS_FEATURE_INCOMPAT_COMPR_CFGS | \
+ EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER)
-/* 128-byte erofs on-disk super block */
+#define EROFS_SB_EXTSLOT_SIZE 16
+
+/* erofs on-disk super block (currently 128 bytes) */
struct erofs_super_block {
__le32 magic; /* file system magic number */
__le32 checksum; /* crc32c(super_block) */
__le32 feature_compat;
__u8 blkszbits; /* support block_size == PAGE_SIZE only */
- __u8 reserved;
+ __u8 sb_extslots; /* superblock size = 128 + sb_extslots * 16 */
__le16 root_nid; /* nid of root directory */
__le64 inos; /* total valid ino # (== f_files - f_favail) */
@@ -39,7 +46,13 @@ struct erofs_super_block {
__u8 uuid[16]; /* 128-bit uuid for volume */
__u8 volume_name[16]; /* volume name */
__le32 feature_incompat;
- __u8 reserved2[44];
+ union {
+ /* bitmap for available compression algorithms */
+ __le16 available_compr_algs;
+ /* customized sliding window size instead of 64k by default */
+ __le16 lz4_max_distance;
+ } __packed u1;
+ __u8 reserved2[42];
};
/*
@@ -192,20 +205,33 @@ static inline unsigned int erofs_xattr_entry_size(struct erofs_xattr_entry *e)
e->e_name_len + le16_to_cpu(e->e_value_size));
}
+/* maximum supported size of a physical compression cluster */
+#define Z_EROFS_PCLUSTER_MAX_SIZE (1024 * 1024)
+
/* available compression algorithm types (for h_algorithmtype) */
enum {
Z_EROFS_COMPRESSION_LZ4 = 0,
Z_EROFS_COMPRESSION_MAX
};
+#define Z_EROFS_ALL_COMPR_ALGS (1 << (Z_EROFS_COMPRESSION_MAX - 1))
+
+/* 14 bytes (+ length field = 16 bytes) */
+struct z_erofs_lz4_cfgs {
+ __le16 max_distance;
+ __le16 max_pclusterblks;
+ u8 reserved[10];
+} __packed;
/*
* bit 0 : COMPACTED_2B indexes (0 - off; 1 - on)
* e.g. for 4k logical cluster size, 4B if compacted 2B is off;
* (4B) + 2B + (4B) if compacted 2B is on.
+ * bit 1 : HEAD1 big pcluster (0 - off; 1 - on)
+ * bit 2 : HEAD2 big pcluster (0 - off; 1 - on)
*/
-#define Z_EROFS_ADVISE_COMPACTED_2B_BIT 0
-
-#define Z_EROFS_ADVISE_COMPACTED_2B (1 << Z_EROFS_ADVISE_COMPACTED_2B_BIT)
+#define Z_EROFS_ADVISE_COMPACTED_2B 0x0001
+#define Z_EROFS_ADVISE_BIG_PCLUSTER_1 0x0002
+#define Z_EROFS_ADVISE_BIG_PCLUSTER_2 0x0004
struct z_erofs_map_header {
__le32 h_reserved1;
@@ -217,9 +243,7 @@ struct z_erofs_map_header {
__u8 h_algorithmtype;
/*
* bit 0-2 : logical cluster bits - 12, e.g. 0 for 4096;
- * bit 3-4 : (physical - logical) cluster bits of head 1:
- * For example, if logical clustersize = 4096, 1 for 8192.
- * bit 5-7 : (physical - logical) cluster bits of head 2.
+ * bit 3-7 : reserved.
*/
__u8 h_clusterbits;
};
@@ -262,6 +286,13 @@ enum {
#define Z_EROFS_VLE_DI_CLUSTER_TYPE_BITS 2
#define Z_EROFS_VLE_DI_CLUSTER_TYPE_BIT 0
+/*
+ * D0_CBLKCNT will be marked _only_ at the 1st non-head lcluster to store the
+ * compressed block count of a compressed extent (in logical clusters, aka.
+ * block count of a pcluster).
+ */
+#define Z_EROFS_VLE_DI_D0_CBLKCNT (1 << 11)
+
struct z_erofs_vle_decompressed_index {
__le16 di_advise;
/* where to decompress in the head cluster */
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index 67a7ec9..e2120c7 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -50,6 +50,8 @@ struct erofs_fs_context {
#ifdef CONFIG_EROFS_FS_ZIP
/* current strategy of how to use managed cache */
unsigned char cache_strategy;
+ /* strategy of sync decompression (false - auto, true - force on) */
+ bool readahead_sync_decompress;
/* threshold for decompression synchronously */
unsigned int max_sync_decompress_pages;
@@ -57,6 +59,14 @@ struct erofs_fs_context {
unsigned int mount_opt;
};
+/* all filesystem-wide lz4 configurations */
+struct erofs_sb_lz4_info {
+ /* # of pages needed for EROFS lz4 rolling decompression */
+ u16 max_distance_pages;
+ /* maximum possible blocks for pclusters in the filesystem */
+ u16 max_pclusterblks;
+};
+
struct erofs_sb_info {
#ifdef CONFIG_EROFS_FS_ZIP
/* list for all registered superblocks, mainly for shrinker */
@@ -67,9 +77,12 @@ struct erofs_sb_info {
struct xarray managed_pslots;
unsigned int shrinker_run_no;
+ u16 available_compr_algs;
/* pseudo inode to manage cached pages */
struct inode *managed_cache;
+
+ struct erofs_sb_lz4_info lz4;
#endif /* CONFIG_EROFS_FS_ZIP */
u32 blocks;
u32 meta_blkaddr;
@@ -80,6 +93,7 @@ struct erofs_sb_info {
/* inode slot unit size in bit shift */
unsigned char islotbits;
+ u32 sb_size; /* total superblock size */
u32 build_time_nsec;
u64 build_time;
@@ -182,12 +196,6 @@ static inline int erofs_wait_on_workgroup_freezed(struct erofs_workgroup *grp)
return v;
}
#endif /* !CONFIG_SMP */
-
-/* hard limit of pages per compressed cluster */
-#define Z_EROFS_CLUSTER_MAX_PAGES (CONFIG_EROFS_FS_CLUSTER_PAGE_LIMIT)
-#define EROFS_PCPUBUF_NR_PAGES Z_EROFS_CLUSTER_MAX_PAGES
-#else
-#define EROFS_PCPUBUF_NR_PAGES 0
#endif /* !CONFIG_EROFS_FS_ZIP */
/* we strictly follow PAGE_SIZE and no buffer head yet */
@@ -216,6 +224,17 @@ static inline erofs_off_t iloc(struct erofs_sb_info *sbi, erofs_nid_t nid)
return blknr_to_addr(sbi->meta_blkaddr) + (nid << sbi->islotbits);
}
+#define EROFS_FEATURE_FUNCS(name, compat, feature) \
+static inline bool erofs_sb_has_##name(struct erofs_sb_info *sbi) \
+{ \
+ return sbi->feature_##compat & EROFS_FEATURE_##feature; \
+}
+
+EROFS_FEATURE_FUNCS(lz4_0padding, incompat, INCOMPAT_LZ4_0PADDING)
+EROFS_FEATURE_FUNCS(compr_cfgs, incompat, INCOMPAT_COMPR_CFGS)
+EROFS_FEATURE_FUNCS(big_pcluster, incompat, INCOMPAT_BIG_PCLUSTER)
+EROFS_FEATURE_FUNCS(sb_chksum, compat, COMPAT_SB_CHKSUM)
+
/* atomic flag definitions */
#define EROFS_I_EA_INITED_BIT 0
#define EROFS_I_Z_INITED_BIT 1
@@ -244,7 +263,6 @@ struct erofs_inode {
unsigned short z_advise;
unsigned char z_algorithmtype[2];
unsigned char z_logical_clusterbits;
- unsigned char z_physical_clusterbits[2];
};
#endif /* CONFIG_EROFS_FS_ZIP */
};
@@ -287,7 +305,7 @@ extern const struct address_space_operations erofs_raw_access_aops;
extern const struct address_space_operations z_erofs_aops;
/*
- * Logical to physical block mapping, used by erofs_map_blocks()
+ * Logical to physical block mapping
*
* Different with other file systems, it is used for 2 access modes:
*
@@ -334,7 +352,7 @@ struct erofs_map_blocks {
struct page *mpage;
};
-/* Flags used by erofs_map_blocks() */
+/* Flags used by erofs_map_blocks_flatmode() */
#define EROFS_GET_BLOCKS_RAW 0x0001
/* zmap.c */
@@ -356,8 +374,6 @@ static inline int z_erofs_map_blocks_iter(struct inode *inode,
/* data.c */
struct page *erofs_get_meta_page(struct super_block *sb, erofs_blk_t blkaddr);
-int erofs_map_blocks(struct inode *, struct erofs_map_blocks *, int);
-
/* inode.c */
static inline unsigned long erofs_inode_hash(erofs_nid_t nid)
{
@@ -385,23 +401,30 @@ int erofs_namei(struct inode *dir, struct qstr *name,
/* dir.c */
extern const struct file_operations erofs_dir_fops;
-/* utils.c / zdata.c */
-struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp);
-
-#if (EROFS_PCPUBUF_NR_PAGES > 0)
-void *erofs_get_pcpubuf(unsigned int pagenr);
-#define erofs_put_pcpubuf(buf) do { \
- (void)&(buf); \
- preempt_enable(); \
-} while (0)
-#else
-static inline void *erofs_get_pcpubuf(unsigned int pagenr)
+static inline void *erofs_vm_map_ram(struct page **pages, unsigned int count)
{
- return ERR_PTR(-EOPNOTSUPP);
+ int retried = 0;
+
+ while (1) {
+ void *p = vm_map_ram(pages, count, -1);
+
+ /* retry two more times (totally 3 times) */
+ if (p || ++retried >= 3)
+ return p;
+ vm_unmap_aliases();
+ }
+ return NULL;
}
-#define erofs_put_pcpubuf(buf) do {} while (0)
-#endif
+/* pcpubuf.c */
+void *erofs_get_pcpubuf(unsigned int requiredpages);
+void erofs_put_pcpubuf(void *ptr);
+int erofs_pcpubuf_growsize(unsigned int nrpages);
+void erofs_pcpubuf_init(void);
+void erofs_pcpubuf_exit(void);
+
+/* utils.c / zdata.c */
+struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp);
#ifdef CONFIG_EROFS_FS_ZIP
int erofs_workgroup_put(struct erofs_workgroup *grp);
@@ -420,6 +443,9 @@ int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
struct erofs_workgroup *egrp);
int erofs_try_to_free_cached_page(struct address_space *mapping,
struct page *page);
+int z_erofs_load_lz4_config(struct super_block *sb,
+ struct erofs_super_block *dsb,
+ struct z_erofs_lz4_cfgs *lz4, int len);
#else
static inline void erofs_shrinker_register(struct super_block *sb) {}
static inline void erofs_shrinker_unregister(struct super_block *sb) {}
@@ -427,6 +453,16 @@ static inline int erofs_init_shrinker(void) { return 0; }
static inline void erofs_exit_shrinker(void) {}
static inline int z_erofs_init_zip_subsystem(void) { return 0; }
static inline void z_erofs_exit_zip_subsystem(void) {}
+static inline int z_erofs_load_lz4_config(struct super_block *sb,
+ struct erofs_super_block *dsb,
+ struct z_erofs_lz4_cfgs *lz4, int len)
+{
+ if (lz4 || dsb->u1.lz4_max_distance) {
+ erofs_err(sb, "lz4 algorithm isn't enabled");
+ return -EINVAL;
+ }
+ return 0;
+}
#endif /* !CONFIG_EROFS_FS_ZIP */
#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
diff --git a/fs/erofs/pcpubuf.c b/fs/erofs/pcpubuf.c
new file mode 100644
index 0000000..6c88557
--- /dev/null
+++ b/fs/erofs/pcpubuf.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) Gao Xiang <xiang@kernel.org>
+ *
+ * For low-latency decompression algorithms (e.g. lz4), reserve consecutive
+ * per-CPU virtual memory (in pages) in advance to store such inplace I/O
+ * data if inplace decompression is failed (due to unmet inplace margin for
+ * example).
+ */
+#include "internal.h"
+
+struct erofs_pcpubuf {
+ raw_spinlock_t lock;
+ void *ptr;
+ struct page **pages;
+ unsigned int nrpages;
+};
+
+static DEFINE_PER_CPU(struct erofs_pcpubuf, erofs_pcb);
+
+void *erofs_get_pcpubuf(unsigned int requiredpages)
+ __acquires(pcb->lock)
+{
+ struct erofs_pcpubuf *pcb = &get_cpu_var(erofs_pcb);
+
+ raw_spin_lock(&pcb->lock);
+ /* check if the per-CPU buffer is too small */
+ if (requiredpages > pcb->nrpages) {
+ raw_spin_unlock(&pcb->lock);
+ put_cpu_var(erofs_pcb);
+ /* (for sparse checker) pretend pcb->lock is still taken */
+ __acquire(pcb->lock);
+ return NULL;
+ }
+ return pcb->ptr;
+}
+
+void erofs_put_pcpubuf(void *ptr) __releases(pcb->lock)
+{
+ struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, smp_processor_id());
+
+ DBG_BUGON(pcb->ptr != ptr);
+ raw_spin_unlock(&pcb->lock);
+ put_cpu_var(erofs_pcb);
+}
+
+/* the next step: support per-CPU page buffers hotplug */
+int erofs_pcpubuf_growsize(unsigned int nrpages)
+{
+ static DEFINE_MUTEX(pcb_resize_mutex);
+ static unsigned int pcb_nrpages;
+ LIST_HEAD(pagepool);
+ int delta, cpu, ret, i;
+
+ mutex_lock(&pcb_resize_mutex);
+ delta = nrpages - pcb_nrpages;
+ ret = 0;
+ /* avoid shrinking pcpubuf, since no idea how many fses rely on */
+ if (delta <= 0)
+ goto out;
+
+ for_each_possible_cpu(cpu) {
+ struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, cpu);
+ struct page **pages, **oldpages;
+ void *ptr, *old_ptr;
+
+ pages = kmalloc_array(nrpages, sizeof(*pages), GFP_KERNEL);
+ if (!pages) {
+ ret = -ENOMEM;
+ break;
+ }
+
+ for (i = 0; i < nrpages; ++i) {
+ pages[i] = erofs_allocpage(&pagepool, GFP_KERNEL);
+ if (!pages[i]) {
+ ret = -ENOMEM;
+ oldpages = pages;
+ goto free_pagearray;
+ }
+ }
+ ptr = vmap(pages, nrpages, VM_MAP, PAGE_KERNEL);
+ if (!ptr) {
+ ret = -ENOMEM;
+ oldpages = pages;
+ goto free_pagearray;
+ }
+ raw_spin_lock(&pcb->lock);
+ old_ptr = pcb->ptr;
+ pcb->ptr = ptr;
+ oldpages = pcb->pages;
+ pcb->pages = pages;
+ i = pcb->nrpages;
+ pcb->nrpages = nrpages;
+ raw_spin_unlock(&pcb->lock);
+
+ if (!oldpages) {
+ DBG_BUGON(old_ptr);
+ continue;
+ }
+
+ if (old_ptr)
+ vunmap(old_ptr);
+free_pagearray:
+ while (i)
+ list_add(&oldpages[--i]->lru, &pagepool);
+ kfree(oldpages);
+ if (ret)
+ break;
+ }
+ pcb_nrpages = nrpages;
+ put_pages_list(&pagepool);
+out:
+ mutex_unlock(&pcb_resize_mutex);
+ return ret;
+}
+
+void erofs_pcpubuf_init(void)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu) {
+ struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, cpu);
+
+ raw_spin_lock_init(&pcb->lock);
+ }
+}
+
+void erofs_pcpubuf_exit(void)
+{
+ int cpu, i;
+
+ for_each_possible_cpu(cpu) {
+ struct erofs_pcpubuf *pcb = &per_cpu(erofs_pcb, cpu);
+
+ if (pcb->ptr) {
+ vunmap(pcb->ptr);
+ pcb->ptr = NULL;
+ }
+ if (!pcb->pages)
+ continue;
+
+ for (i = 0; i < pcb->nrpages; ++i)
+ if (pcb->pages[i])
+ put_page(pcb->pages[i]);
+ kfree(pcb->pages);
+ pcb->pages = NULL;
+ }
+}
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index f31a08d..22991d2 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -122,6 +122,136 @@ static bool check_layout_compatibility(struct super_block *sb,
return true;
}
+#ifdef CONFIG_EROFS_FS_ZIP
+/* read variable-sized metadata, offset will be aligned by 4-byte */
+static void *erofs_read_metadata(struct super_block *sb, struct page **pagep,
+ erofs_off_t *offset, int *lengthp)
+{
+ struct page *page = *pagep;
+ u8 *buffer, *ptr;
+ int len, i, cnt;
+ erofs_blk_t blk;
+
+ *offset = round_up(*offset, 4);
+ blk = erofs_blknr(*offset);
+
+ if (!page || page->index != blk) {
+ if (page) {
+ unlock_page(page);
+ put_page(page);
+ }
+ page = erofs_get_meta_page(sb, blk);
+ if (IS_ERR(page))
+ goto err_nullpage;
+ }
+
+ ptr = kmap(page);
+ len = le16_to_cpu(*(__le16 *)&ptr[erofs_blkoff(*offset)]);
+ if (!len)
+ len = U16_MAX + 1;
+ buffer = kmalloc(len, GFP_KERNEL);
+ if (!buffer) {
+ buffer = ERR_PTR(-ENOMEM);
+ goto out;
+ }
+ *offset += sizeof(__le16);
+ *lengthp = len;
+
+ for (i = 0; i < len; i += cnt) {
+ cnt = min(EROFS_BLKSIZ - (int)erofs_blkoff(*offset), len - i);
+ blk = erofs_blknr(*offset);
+
+ if (!page || page->index != blk) {
+ if (page) {
+ kunmap(page);
+ unlock_page(page);
+ put_page(page);
+ }
+ page = erofs_get_meta_page(sb, blk);
+ if (IS_ERR(page)) {
+ kfree(buffer);
+ goto err_nullpage;
+ }
+ ptr = kmap(page);
+ }
+ memcpy(buffer + i, ptr + erofs_blkoff(*offset), cnt);
+ *offset += cnt;
+ }
+out:
+ kunmap(page);
+ *pagep = page;
+ return buffer;
+err_nullpage:
+ *pagep = NULL;
+ return page;
+}
+
+static int erofs_load_compr_cfgs(struct super_block *sb,
+ struct erofs_super_block *dsb)
+{
+ struct erofs_sb_info *sbi;
+ struct page *page;
+ unsigned int algs, alg;
+ erofs_off_t offset;
+ int size, ret;
+
+ sbi = EROFS_SB(sb);
+ sbi->available_compr_algs = le16_to_cpu(dsb->u1.available_compr_algs);
+
+ if (sbi->available_compr_algs & ~Z_EROFS_ALL_COMPR_ALGS) {
+ erofs_err(sb, "try to load compressed fs with unsupported algorithms %x",
+ sbi->available_compr_algs & ~Z_EROFS_ALL_COMPR_ALGS);
+ return -EINVAL;
+ }
+
+ offset = EROFS_SUPER_OFFSET + sbi->sb_size;
+ page = NULL;
+ alg = 0;
+ ret = 0;
+
+ for (algs = sbi->available_compr_algs; algs; algs >>= 1, ++alg) {
+ void *data;
+
+ if (!(algs & 1))
+ continue;
+
+ data = erofs_read_metadata(sb, &page, &offset, &size);
+ if (IS_ERR(data)) {
+ ret = PTR_ERR(data);
+ goto err;
+ }
+
+ switch (alg) {
+ case Z_EROFS_COMPRESSION_LZ4:
+ ret = z_erofs_load_lz4_config(sb, dsb, data, size);
+ break;
+ default:
+ DBG_BUGON(1);
+ ret = -EFAULT;
+ }
+ kfree(data);
+ if (ret)
+ goto err;
+ }
+err:
+ if (page) {
+ unlock_page(page);
+ put_page(page);
+ }
+ return ret;
+}
+#else
+static int erofs_load_compr_cfgs(struct super_block *sb,
+ struct erofs_super_block *dsb)
+{
+ if (dsb->u1.available_compr_algs) {
+ erofs_err(sb, "try to load compressed fs when compression is disabled");
+ return -EINVAL;
+ }
+ return 0;
+}
+#endif
+
static int erofs_read_superblock(struct super_block *sb)
{
struct erofs_sb_info *sbi;
@@ -149,7 +279,7 @@ static int erofs_read_superblock(struct super_block *sb)
}
sbi->feature_compat = le32_to_cpu(dsb->feature_compat);
- if (sbi->feature_compat & EROFS_FEATURE_COMPAT_SB_CHKSUM) {
+ if (erofs_sb_has_sb_chksum(sbi)) {
ret = erofs_superblock_csum_verify(sb, data);
if (ret)
goto out;
@@ -167,6 +297,12 @@ static int erofs_read_superblock(struct super_block *sb)
if (!check_layout_compatibility(sb, dsb))
goto out;
+ sbi->sb_size = 128 + dsb->sb_extslots * EROFS_SB_EXTSLOT_SIZE;
+ if (sbi->sb_size > EROFS_BLKSIZ) {
+ erofs_err(sb, "invalid sb_extslots %u (more than a fs block)",
+ sbi->sb_size);
+ goto out;
+ }
sbi->blocks = le32_to_cpu(dsb->blocks);
sbi->meta_blkaddr = le32_to_cpu(dsb->meta_blkaddr);
#ifdef CONFIG_EROFS_FS_XATTR
@@ -188,7 +324,12 @@ static int erofs_read_superblock(struct super_block *sb)
ret = -EFSCORRUPTED;
goto out;
}
- ret = 0;
+
+ /* parse on-disk compression configurations */
+ if (erofs_sb_has_compr_cfgs(sbi))
+ ret = erofs_load_compr_cfgs(sb, dsb);
+ else
+ ret = z_erofs_load_lz4_config(sb, dsb, NULL, 0);
out:
kunmap(page);
put_page(page);
@@ -201,6 +342,7 @@ static void erofs_default_options(struct erofs_fs_context *ctx)
#ifdef CONFIG_EROFS_FS_ZIP
ctx->cache_strategy = EROFS_ZIP_CACHE_READAROUND;
ctx->max_sync_decompress_pages = 3;
+ ctx->readahead_sync_decompress = false;
#endif
#ifdef CONFIG_EROFS_FS_XATTR
set_opt(ctx, XATTR_USER);
@@ -514,6 +656,7 @@ static int __init erofs_module_init(void)
if (err)
goto shrinker_err;
+ erofs_pcpubuf_init();
err = z_erofs_init_zip_subsystem();
if (err)
goto zip_err;
@@ -543,6 +686,7 @@ static void __exit erofs_module_exit(void)
/* Ensure all RCU free inodes are safe before cache is destroyed. */
rcu_barrier();
kmem_cache_destroy(erofs_inode_cachep);
+ erofs_pcpubuf_exit();
}
/* get filesystem statistics */
diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c
index 5c11199..9d9c2c7 100644
--- a/fs/erofs/utils.c
+++ b/fs/erofs/utils.c
@@ -21,18 +21,6 @@ struct page *erofs_allocpage(struct list_head *pool, gfp_t gfp)
return page;
}
-#if (EROFS_PCPUBUF_NR_PAGES > 0)
-static struct {
- u8 data[PAGE_SIZE * EROFS_PCPUBUF_NR_PAGES];
-} ____cacheline_aligned_in_smp erofs_pcpubuf[NR_CPUS];
-
-void *erofs_get_pcpubuf(unsigned int pagenr)
-{
- preempt_disable();
- return &erofs_pcpubuf[smp_processor_id()].data[pagenr * PAGE_SIZE];
-}
-#endif
-
#ifdef CONFIG_EROFS_FS_ZIP
/* global shrink count (for all mounted EROFS instances) */
static atomic_long_t erofs_global_shrink_cnt;
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index 47314a2..6330bca 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -471,7 +471,8 @@ int erofs_getxattr(struct inode *inode, int index,
static int erofs_xattr_generic_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 8cb2cf6..59ee183 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -11,6 +11,93 @@
#include <trace/events/erofs.h>
/*
+ * since pclustersize is variable for big pcluster feature, introduce slab
+ * pools implementation for different pcluster sizes.
+ */
+struct z_erofs_pcluster_slab {
+ struct kmem_cache *slab;
+ unsigned int maxpages;
+ char name[48];
+};
+
+#define _PCLP(n) { .maxpages = n }
+
+static struct z_erofs_pcluster_slab pcluster_pool[] __read_mostly = {
+ _PCLP(1), _PCLP(4), _PCLP(16), _PCLP(64), _PCLP(128),
+ _PCLP(Z_EROFS_PCLUSTER_MAX_PAGES)
+};
+
+static void z_erofs_destroy_pcluster_pool(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pcluster_pool); ++i) {
+ if (!pcluster_pool[i].slab)
+ continue;
+ kmem_cache_destroy(pcluster_pool[i].slab);
+ pcluster_pool[i].slab = NULL;
+ }
+}
+
+static int z_erofs_create_pcluster_pool(void)
+{
+ struct z_erofs_pcluster_slab *pcs;
+ struct z_erofs_pcluster *a;
+ unsigned int size;
+
+ for (pcs = pcluster_pool;
+ pcs < pcluster_pool + ARRAY_SIZE(pcluster_pool); ++pcs) {
+ size = struct_size(a, compressed_pages, pcs->maxpages);
+
+ sprintf(pcs->name, "erofs_pcluster-%u", pcs->maxpages);
+ pcs->slab = kmem_cache_create(pcs->name, size, 0,
+ SLAB_RECLAIM_ACCOUNT, NULL);
+ if (pcs->slab)
+ continue;
+
+ z_erofs_destroy_pcluster_pool();
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static struct z_erofs_pcluster *z_erofs_alloc_pcluster(unsigned int nrpages)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pcluster_pool); ++i) {
+ struct z_erofs_pcluster_slab *pcs = pcluster_pool + i;
+ struct z_erofs_pcluster *pcl;
+
+ if (nrpages > pcs->maxpages)
+ continue;
+
+ pcl = kmem_cache_zalloc(pcs->slab, GFP_NOFS);
+ if (!pcl)
+ return ERR_PTR(-ENOMEM);
+ pcl->pclusterpages = nrpages;
+ return pcl;
+ }
+ return ERR_PTR(-EINVAL);
+}
+
+static void z_erofs_free_pcluster(struct z_erofs_pcluster *pcl)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pcluster_pool); ++i) {
+ struct z_erofs_pcluster_slab *pcs = pcluster_pool + i;
+
+ if (pcl->pclusterpages > pcs->maxpages)
+ continue;
+
+ kmem_cache_free(pcs->slab, pcl);
+ return;
+ }
+ DBG_BUGON(1);
+}
+
+/*
* a compressed_pages[] placeholder in order to avoid
* being filled with file pages for in-place decompression.
*/
@@ -20,6 +107,11 @@
enum z_erofs_cache_alloctype {
DONTALLOC, /* don't allocate any cached pages */
DELAYEDALLOC, /* delayed allocation (at the time of submitting io) */
+ /*
+ * try to use cached I/O if page allocation succeeds or fallback
+ * to in-place I/O instead to avoid any direct reclaim.
+ */
+ TRYALLOC,
};
/*
@@ -32,12 +124,11 @@ typedef tagptr1_t compressed_page_t;
tagptr_fold(compressed_page_t, page, 1)
static struct workqueue_struct *z_erofs_workqueue __read_mostly;
-static struct kmem_cache *pcluster_cachep __read_mostly;
void z_erofs_exit_zip_subsystem(void)
{
destroy_workqueue(z_erofs_workqueue);
- kmem_cache_destroy(pcluster_cachep);
+ z_erofs_destroy_pcluster_pool();
}
static inline int z_erofs_init_workqueue(void)
@@ -54,32 +145,16 @@ static inline int z_erofs_init_workqueue(void)
return z_erofs_workqueue ? 0 : -ENOMEM;
}
-static void z_erofs_pcluster_init_once(void *ptr)
-{
- struct z_erofs_pcluster *pcl = ptr;
- struct z_erofs_collection *cl = z_erofs_primarycollection(pcl);
- unsigned int i;
-
- mutex_init(&cl->lock);
- cl->nr_pages = 0;
- cl->vcnt = 0;
- for (i = 0; i < Z_EROFS_CLUSTER_MAX_PAGES; ++i)
- pcl->compressed_pages[i] = NULL;
-}
-
int __init z_erofs_init_zip_subsystem(void)
{
- pcluster_cachep = kmem_cache_create("erofs_compress",
- Z_EROFS_WORKGROUP_SIZE, 0,
- SLAB_RECLAIM_ACCOUNT,
- z_erofs_pcluster_init_once);
- if (pcluster_cachep) {
- if (!z_erofs_init_workqueue())
- return 0;
+ int err = z_erofs_create_pcluster_pool();
- kmem_cache_destroy(pcluster_cachep);
- }
- return -ENOMEM;
+ if (err)
+ return err;
+ err = z_erofs_init_workqueue();
+ if (err)
+ z_erofs_destroy_pcluster_pool();
+ return err;
}
enum z_erofs_collectmode {
@@ -99,6 +174,12 @@ enum z_erofs_collectmode {
* |_______PRIMARY_FOLLOWED_______|________PRIMARY_HOOKED___________|
*/
COLLECT_PRIMARY_HOOKED,
+ /*
+ * a weak form of COLLECT_PRIMARY_FOLLOWED, the difference is that it
+ * could be dispatched into bypass queue later due to uptodated managed
+ * pages. All related online pages cannot be reused for inplace I/O (or
+ * pagevec) since it can be directly decoded without I/O submission.
+ */
COLLECT_PRIMARY_FOLLOWED_NOINPLACE,
/*
* The current collection has been linked with the owned chain, and
@@ -123,7 +204,8 @@ struct z_erofs_collector {
struct z_erofs_pcluster *pcl, *tailpcl;
struct z_erofs_collection *cl;
- struct page **compressedpages;
+ /* a pointer used to pick up inplace I/O pages */
+ struct page **icpage_ptr;
z_erofs_next_pcluster_t owned_head;
enum z_erofs_collectmode mode;
@@ -154,20 +236,25 @@ static DEFINE_MUTEX(z_pagemap_global_lock);
static void preload_compressed_pages(struct z_erofs_collector *clt,
struct address_space *mc,
- enum z_erofs_cache_alloctype type)
+ enum z_erofs_cache_alloctype type,
+ struct list_head *pagepool)
{
- const struct z_erofs_pcluster *pcl = clt->pcl;
- const unsigned int clusterpages = BIT(pcl->clusterbits);
- struct page **pages = clt->compressedpages;
- pgoff_t index = pcl->obj.index + (pages - pcl->compressed_pages);
+ struct z_erofs_pcluster *pcl = clt->pcl;
bool standalone = true;
+ gfp_t gfp = (mapping_gfp_mask(mc) & ~__GFP_DIRECT_RECLAIM) |
+ __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN;
+ struct page **pages;
+ pgoff_t index;
if (clt->mode < COLLECT_PRIMARY_FOLLOWED)
return;
- for (; pages < pcl->compressed_pages + clusterpages; ++pages) {
+ pages = pcl->compressed_pages;
+ index = pcl->obj.index;
+ for (; index < pcl->obj.index + pcl->pclusterpages; ++index, ++pages) {
struct page *page;
compressed_page_t t;
+ struct page *newpage = NULL;
/* the compressed page was loaded before */
if (READ_ONCE(*pages))
@@ -177,23 +264,43 @@ static void preload_compressed_pages(struct z_erofs_collector *clt,
if (page) {
t = tag_compressed_page_justfound(page);
- } else if (type == DELAYEDALLOC) {
- t = tagptr_init(compressed_page_t, PAGE_UNALLOCATED);
- } else { /* DONTALLOC */
- if (standalone)
- clt->compressedpages = pages;
+ } else {
+ /* I/O is needed, no possible to decompress directly */
standalone = false;
- continue;
+ switch (type) {
+ case DELAYEDALLOC:
+ t = tagptr_init(compressed_page_t,
+ PAGE_UNALLOCATED);
+ break;
+ case TRYALLOC:
+ newpage = erofs_allocpage(pagepool, gfp);
+ if (!newpage)
+ continue;
+ set_page_private(newpage,
+ Z_EROFS_PREALLOCATED_PAGE);
+ t = tag_compressed_page_justfound(newpage);
+ break;
+ default: /* DONTALLOC */
+ continue;
+ }
}
if (!cmpxchg_relaxed(pages, NULL, tagptr_cast_ptr(t)))
continue;
- if (page)
+ if (page) {
put_page(page);
+ } else if (newpage) {
+ set_page_private(newpage, 0);
+ list_add(&newpage->lru, pagepool);
+ }
}
- if (standalone) /* downgrade to PRIMARY_FOLLOWED_NOINPLACE */
+ /*
+ * don't do inplace I/O if all compressed pages are available in
+ * managed cache since it can be moved to the bypass queue instead.
+ */
+ if (standalone)
clt->mode = COLLECT_PRIMARY_FOLLOWED_NOINPLACE;
}
@@ -204,14 +311,13 @@ int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
struct z_erofs_pcluster *const pcl =
container_of(grp, struct z_erofs_pcluster, obj);
struct address_space *const mapping = MNGD_MAPPING(sbi);
- const unsigned int clusterpages = BIT(pcl->clusterbits);
int i;
/*
* refcount of workgroup is now freezed as 1,
* therefore no need to worry about available decompression users.
*/
- for (i = 0; i < clusterpages; ++i) {
+ for (i = 0; i < pcl->pclusterpages; ++i) {
struct page *page = pcl->compressed_pages[i];
if (!page)
@@ -226,11 +332,8 @@ int erofs_try_to_free_all_cached_pages(struct erofs_sb_info *sbi,
/* barrier is implied in the following 'unlock_page' */
WRITE_ONCE(pcl->compressed_pages[i], NULL);
- set_page_private(page, 0);
- ClearPagePrivate(page);
-
+ detach_page_private(page);
unlock_page(page);
- put_page(page);
}
return 0;
}
@@ -239,13 +342,12 @@ int erofs_try_to_free_cached_page(struct address_space *mapping,
struct page *page)
{
struct z_erofs_pcluster *const pcl = (void *)page_private(page);
- const unsigned int clusterpages = BIT(pcl->clusterbits);
int ret = 0; /* 0 - busy */
if (erofs_workgroup_try_to_freeze(&pcl->obj, 1)) {
unsigned int i;
- for (i = 0; i < clusterpages; ++i) {
+ for (i = 0; i < pcl->pclusterpages; ++i) {
if (pcl->compressed_pages[i] == page) {
WRITE_ONCE(pcl->compressed_pages[i], NULL);
ret = 1;
@@ -254,25 +356,21 @@ int erofs_try_to_free_cached_page(struct address_space *mapping,
}
erofs_workgroup_unfreeze(&pcl->obj, 1);
- if (ret) {
- ClearPagePrivate(page);
- put_page(page);
- }
+ if (ret)
+ detach_page_private(page);
}
return ret;
}
/* page_type must be Z_EROFS_PAGE_TYPE_EXCLUSIVE */
-static inline bool z_erofs_try_inplace_io(struct z_erofs_collector *clt,
- struct page *page)
+static bool z_erofs_try_inplace_io(struct z_erofs_collector *clt,
+ struct page *page)
{
struct z_erofs_pcluster *const pcl = clt->pcl;
- const unsigned int clusterpages = BIT(pcl->clusterbits);
- while (clt->compressedpages < pcl->compressed_pages + clusterpages) {
- if (!cmpxchg(clt->compressedpages++, NULL, page))
+ while (clt->icpage_ptr > pcl->compressed_pages)
+ if (!cmpxchg(--clt->icpage_ptr, NULL, page))
return true;
- }
return false;
}
@@ -384,10 +482,10 @@ static int z_erofs_register_collection(struct z_erofs_collector *clt,
struct erofs_workgroup *grp;
int err;
- /* no available workgroup, let's allocate one */
- pcl = kmem_cache_alloc(pcluster_cachep, GFP_NOFS);
- if (!pcl)
- return -ENOMEM;
+ /* no available pcluster, let's allocate one */
+ pcl = z_erofs_alloc_pcluster(map->m_plen >> PAGE_SHIFT);
+ if (IS_ERR(pcl))
+ return PTR_ERR(pcl);
atomic_set(&pcl->obj.refcount, 1);
pcl->obj.index = map->m_pa >> PAGE_SHIFT;
@@ -401,25 +499,18 @@ static int z_erofs_register_collection(struct z_erofs_collector *clt,
else
pcl->algorithmformat = Z_EROFS_COMPRESSION_SHIFTED;
- pcl->clusterbits = EROFS_I(inode)->z_physical_clusterbits[0];
- pcl->clusterbits -= PAGE_SHIFT;
-
/* new pclusters should be claimed as type 1, primary and followed */
pcl->next = clt->owned_head;
clt->mode = COLLECT_PRIMARY_FOLLOWED;
cl = z_erofs_primarycollection(pcl);
-
- /* must be cleaned before freeing to slab */
- DBG_BUGON(cl->nr_pages);
- DBG_BUGON(cl->vcnt);
-
cl->pageofs = map->m_la & ~PAGE_MASK;
/*
* lock all primary followed works before visible to others
* and mutex_trylock *never* fails for a new pcluster.
*/
+ mutex_init(&cl->lock);
DBG_BUGON(!mutex_trylock(&cl->lock));
grp = erofs_insert_workgroup(inode->i_sb, &pcl->obj);
@@ -443,7 +534,7 @@ static int z_erofs_register_collection(struct z_erofs_collector *clt,
err_out:
mutex_unlock(&cl->lock);
- kmem_cache_free(pcluster_cachep, pcl);
+ z_erofs_free_pcluster(pcl);
return err;
}
@@ -487,9 +578,8 @@ static int z_erofs_collector_begin(struct z_erofs_collector *clt,
z_erofs_pagevec_ctor_init(&clt->vector, Z_EROFS_NR_INLINE_PAGEVECS,
clt->cl->pagevec, clt->cl->vcnt);
- clt->compressedpages = clt->pcl->compressed_pages;
- if (clt->mode <= COLLECT_PRIMARY) /* cannot do in-place I/O */
- clt->compressedpages += Z_EROFS_CLUSTER_MAX_PAGES;
+ /* since file-backed online pages are traversed in reverse order */
+ clt->icpage_ptr = clt->pcl->compressed_pages + clt->pcl->pclusterpages;
return 0;
}
@@ -502,9 +592,8 @@ static void z_erofs_rcu_callback(struct rcu_head *head)
struct z_erofs_collection *const cl =
container_of(head, struct z_erofs_collection, rcu);
- kmem_cache_free(pcluster_cachep,
- container_of(cl, struct z_erofs_pcluster,
- primary_collection));
+ z_erofs_free_pcluster(container_of(cl, struct z_erofs_pcluster,
+ primary_collection));
}
void erofs_workgroup_free_rcu(struct erofs_workgroup *grp)
@@ -560,7 +649,7 @@ static bool should_alloc_managed_pages(struct z_erofs_decompress_frontend *fe,
}
static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
- struct page *page)
+ struct page *page, struct list_head *pagepool)
{
struct inode *const inode = fe->inode;
struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
@@ -613,11 +702,12 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
/* preload all compressed pages (maybe downgrade role if necessary) */
if (should_alloc_managed_pages(fe, sbi->ctx.cache_strategy, map->m_la))
- cache_strategy = DELAYEDALLOC;
+ cache_strategy = TRYALLOC;
else
cache_strategy = DONTALLOC;
- preload_compressed_pages(clt, MNGD_MAPPING(sbi), cache_strategy);
+ preload_compressed_pages(clt, MNGD_MAPPING(sbi),
+ cache_strategy, pagepool);
hitted:
/*
@@ -647,12 +737,12 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
retry:
err = z_erofs_attach_page(clt, page, page_type,
clt->mode >= COLLECT_PRIMARY_FOLLOWED);
- /* should allocate an additional staging page for pagevec */
+ /* should allocate an additional short-lived page for pagevec */
if (err == -EAGAIN) {
struct page *const newpage =
alloc_page(GFP_NOFS | __GFP_NOFAIL);
- newpage->mapping = Z_EROFS_MAPPING_STAGING;
+ set_page_private(newpage, Z_EROFS_SHORTLIVED_PAGE);
err = z_erofs_attach_page(clt, newpage,
Z_EROFS_PAGE_TYPE_EXCLUSIVE, true);
if (!err)
@@ -691,9 +781,12 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
goto out;
}
+static void z_erofs_decompressqueue_work(struct work_struct *work);
static void z_erofs_decompress_kickoff(struct z_erofs_decompressqueue *io,
bool sync, int bios)
{
+ struct erofs_sb_info *const sbi = EROFS_SB(io->sb);
+
/* wake up the caller thread for sync decompression */
if (sync) {
unsigned long flags;
@@ -705,8 +798,20 @@ static void z_erofs_decompress_kickoff(struct z_erofs_decompressqueue *io,
return;
}
- if (!atomic_add_return(bios, &io->pending_bios))
+ if (atomic_add_return(bios, &io->pending_bios))
+ return;
+ /* Use workqueue and sync decompression for atomic contexts only */
+ if (in_atomic() || irqs_disabled()) {
queue_work(z_erofs_workqueue, &io->u.work);
+ sbi->ctx.readahead_sync_decompress = true;
+ return;
+ }
+ z_erofs_decompressqueue_work(&io->u.work);
+}
+
+static bool z_erofs_page_is_invalidated(struct page *page)
+{
+ return !page->mapping && !z_erofs_is_shortlived_page(page);
}
static void z_erofs_decompressqueue_endio(struct bio *bio)
@@ -721,7 +826,7 @@ static void z_erofs_decompressqueue_endio(struct bio *bio)
struct page *page = bvec->bv_page;
DBG_BUGON(PageUptodate(page));
- DBG_BUGON(!page->mapping);
+ DBG_BUGON(z_erofs_page_is_invalidated(page));
if (err)
SetPageError(page);
@@ -741,9 +846,8 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
struct list_head *pagepool)
{
struct erofs_sb_info *const sbi = EROFS_SB(sb);
- const unsigned int clusterpages = BIT(pcl->clusterbits);
struct z_erofs_pagevec_ctor ctor;
- unsigned int i, outputsize, llen, nr_pages;
+ unsigned int i, inputsize, outputsize, llen, nr_pages;
struct page *pages_onstack[Z_EROFS_VMAP_ONSTACK_PAGES];
struct page **pages, **compressed_pages, *page;
@@ -794,9 +898,9 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
/* all pages in pagevec ought to be valid */
DBG_BUGON(!page);
- DBG_BUGON(!page->mapping);
+ DBG_BUGON(z_erofs_page_is_invalidated(page));
- if (z_erofs_put_stagingpage(pagepool, page))
+ if (z_erofs_put_shortlivedpage(pagepool, page))
continue;
if (page_type == Z_EROFS_VLE_PAGE_TYPE_HEAD)
@@ -823,16 +927,16 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
overlapped = false;
compressed_pages = pcl->compressed_pages;
- for (i = 0; i < clusterpages; ++i) {
+ for (i = 0; i < pcl->pclusterpages; ++i) {
unsigned int pagenr;
page = compressed_pages[i];
/* all compressed pages ought to be valid */
DBG_BUGON(!page);
- DBG_BUGON(!page->mapping);
+ DBG_BUGON(z_erofs_page_is_invalidated(page));
- if (!z_erofs_page_is_staging(page)) {
+ if (!z_erofs_is_shortlived_page(page)) {
if (erofs_page_is_managed(sbi, page)) {
if (!PageUptodate(page))
err = -EIO;
@@ -857,7 +961,7 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
overlapped = true;
}
- /* PG_error needs checking for inplaced and staging pages */
+ /* PG_error needs checking for all non-managed pages */
if (PageError(page)) {
DBG_BUGON(PageUptodate(page));
err = -EIO;
@@ -876,12 +980,13 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
partial = true;
}
+ inputsize = pcl->pclusterpages * PAGE_SIZE;
err = z_erofs_decompress(&(struct z_erofs_decompress_req) {
.sb = sb,
.in = compressed_pages,
.out = pages,
.pageofs_out = cl->pageofs,
- .inputsize = PAGE_SIZE,
+ .inputsize = inputsize,
.outputsize = outputsize,
.alg = pcl->algorithmformat,
.inplace_io = overlapped,
@@ -889,15 +994,15 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
}, pagepool);
out:
- /* must handle all compressed pages before endding pages */
- for (i = 0; i < clusterpages; ++i) {
+ /* must handle all compressed pages before ending pages */
+ for (i = 0; i < pcl->pclusterpages; ++i) {
page = compressed_pages[i];
if (erofs_page_is_managed(sbi, page))
continue;
- /* recycle all individual staging pages */
- (void)z_erofs_put_stagingpage(pagepool, page);
+ /* recycle all individual short-lived pages */
+ (void)z_erofs_put_shortlivedpage(pagepool, page);
WRITE_ONCE(compressed_pages[i], NULL);
}
@@ -907,10 +1012,10 @@ static int z_erofs_decompress_pcluster(struct super_block *sb,
if (!page)
continue;
- DBG_BUGON(!page->mapping);
+ DBG_BUGON(z_erofs_page_is_invalidated(page));
- /* recycle all individual staging pages */
- if (z_erofs_put_stagingpage(pagepool, page))
+ /* recycle all individual short-lived pages */
+ if (z_erofs_put_shortlivedpage(pagepool, page))
continue;
if (err < 0)
@@ -1007,16 +1112,30 @@ static struct page *pickup_page_for_submission(struct z_erofs_pcluster *pcl,
justfound = tagptr_unfold_tags(t);
page = tagptr_unfold_ptr(t);
+ /*
+ * preallocated cached pages, which is used to avoid direct reclaim
+ * otherwise, it will go inplace I/O path instead.
+ */
+ if (page->private == Z_EROFS_PREALLOCATED_PAGE) {
+ WRITE_ONCE(pcl->compressed_pages[nr], page);
+ set_page_private(page, 0);
+ tocache = true;
+ goto out_tocache;
+ }
mapping = READ_ONCE(page->mapping);
/*
- * unmanaged (file) pages are all locked solidly,
+ * file-backed online pages in plcuster are all locked steady,
* therefore it is impossible for `mapping' to be NULL.
*/
if (mapping && mapping != mc)
/* ought to be unmanaged pages */
goto out;
+ /* directly return for shortlived page as well */
+ if (z_erofs_is_shortlived_page(page))
+ goto out;
+
lock_page(page);
/* only true if page reclaim goes wrong, should never happen */
@@ -1060,28 +1179,21 @@ static struct page *pickup_page_for_submission(struct z_erofs_pcluster *pcl,
put_page(page);
out_allocpage:
page = erofs_allocpage(pagepool, gfp | __GFP_NOFAIL);
- if (!tocache || add_to_page_cache_lru(page, mc, index + nr, gfp)) {
- /* non-LRU / non-movable temporary page is needed */
- page->mapping = Z_EROFS_MAPPING_STAGING;
- tocache = false;
- }
-
if (oldpage != cmpxchg(&pcl->compressed_pages[nr], oldpage, page)) {
- if (tocache) {
- /* since it added to managed cache successfully */
- unlock_page(page);
- put_page(page);
- } else {
- list_add(&page->lru, pagepool);
- }
+ list_add(&page->lru, pagepool);
cond_resched();
goto repeat;
}
-
- if (tocache) {
- set_page_private(page, (unsigned long)pcl);
- SetPagePrivate(page);
+out_tocache:
+ if (!tocache || add_to_page_cache_lru(page, mc, index + nr, gfp)) {
+ /* turn into temporary page if fails (1 ref) */
+ set_page_private(page, Z_EROFS_SHORTLIVED_PAGE);
+ goto out;
}
+ attach_page_private(page, pcl);
+ /* drop a refcount added by allocpage (then we have 2 refs here) */
+ put_page(page);
+
out: /* the only exit (for tracing and debugging) */
return page;
}
@@ -1186,7 +1298,7 @@ static void z_erofs_submit_queue(struct super_block *sb,
pcl = container_of(owned_head, struct z_erofs_pcluster, next);
cur = pcl->obj.index;
- end = cur + BIT(pcl->clusterbits);
+ end = cur + pcl->pclusterpages;
/* close the main owned chain at first */
owned_head = cmpxchg(&pcl->next, Z_EROFS_PCLUSTER_TAIL,
@@ -1283,7 +1395,7 @@ static int z_erofs_readpage(struct file *file, struct page *page)
f.headoffset = (erofs_off_t)page->index << PAGE_SHIFT;
- err = z_erofs_do_read_page(&f, page);
+ err = z_erofs_do_read_page(&f, page, &pagepool);
(void)z_erofs_collector_end(&f.clt);
/* if some compressed cluster ready, need submit them anyway */
@@ -1306,7 +1418,8 @@ static void z_erofs_readahead(struct readahead_control *rac)
struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
unsigned int nr_pages = readahead_count(rac);
- bool sync = (nr_pages <= sbi->ctx.max_sync_decompress_pages);
+ bool sync = (sbi->ctx.readahead_sync_decompress &&
+ nr_pages <= sbi->ctx.max_sync_decompress_pages);
struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
struct page *page, *head = NULL;
LIST_HEAD(pagepool);
@@ -1337,7 +1450,7 @@ static void z_erofs_readahead(struct readahead_control *rac)
/* traversal in reverse order */
head = (void *)page_private(page);
- err = z_erofs_do_read_page(&f, page);
+ err = z_erofs_do_read_page(&f, page, &pagepool);
if (err)
erofs_err(inode->i_sb,
"readahead error at page %lu @ nid %llu",
diff --git a/fs/erofs/zdata.h b/fs/erofs/zdata.h
index 68c9b29..942ee69 100644
--- a/fs/erofs/zdata.h
+++ b/fs/erofs/zdata.h
@@ -10,6 +10,7 @@
#include "internal.h"
#include "zpvec.h"
+#define Z_EROFS_PCLUSTER_MAX_PAGES (Z_EROFS_PCLUSTER_MAX_SIZE / PAGE_SIZE)
#define Z_EROFS_NR_INLINE_PAGEVECS 3
/*
@@ -59,16 +60,17 @@ struct z_erofs_pcluster {
/* A: point to next chained pcluster or TAILs */
z_erofs_next_pcluster_t next;
- /* A: compressed pages (including multi-usage pages) */
- struct page *compressed_pages[Z_EROFS_CLUSTER_MAX_PAGES];
-
/* A: lower limit of decompressed length and if full length or not */
unsigned int length;
+ /* I: physical cluster size in pages */
+ unsigned short pclusterpages;
+
/* I: compression algorithm format */
unsigned char algorithmformat;
- /* I: bit shift of physical cluster size */
- unsigned char clusterbits;
+
+ /* A: compressed pages (can be cached or inplaced pages) */
+ struct page *compressed_pages[];
};
#define z_erofs_primarycollection(pcluster) (&(pcluster)->primary_collection)
@@ -82,8 +84,6 @@ struct z_erofs_pcluster {
#define Z_EROFS_PCLUSTER_NIL (NULL)
-#define Z_EROFS_WORKGROUP_SIZE sizeof(struct z_erofs_pcluster)
-
struct z_erofs_decompressqueue {
struct super_block *sb;
atomic_t pending_bios;
@@ -173,6 +173,7 @@ static inline void z_erofs_onlinepage_endio(struct page *page)
v = atomic_dec_return(u.o);
if (!(v & Z_EROFS_ONLINEPAGE_COUNT_MASK)) {
+ set_page_private(page, 0);
ClearPagePrivate(page);
if (!PageError(page))
SetPageUptodate(page);
diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c
index 14d2de35..efaf325 100644
--- a/fs/erofs/zmap.c
+++ b/fs/erofs/zmap.c
@@ -11,17 +11,16 @@
int z_erofs_fill_inode(struct inode *inode)
{
struct erofs_inode *const vi = EROFS_I(inode);
+ struct erofs_sb_info *sbi = EROFS_SB(inode->i_sb);
- if (vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY) {
+ if (!erofs_sb_has_big_pcluster(sbi) &&
+ vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY) {
vi->z_advise = 0;
vi->z_algorithmtype[0] = 0;
vi->z_algorithmtype[1] = 0;
vi->z_logical_clusterbits = LOG_BLOCK_SIZE;
- vi->z_physical_clusterbits[0] = vi->z_logical_clusterbits;
- vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits;
set_bit(EROFS_I_Z_INITED_BIT, &vi->flags);
}
-
inode->i_mapping->a_ops = &z_erofs_aops;
return 0;
}
@@ -52,7 +51,8 @@ static int z_erofs_fill_inode_lazy(struct inode *inode)
if (test_bit(EROFS_I_Z_INITED_BIT, &vi->flags))
goto out_unlock;
- DBG_BUGON(vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY);
+ DBG_BUGON(!erofs_sb_has_big_pcluster(EROFS_SB(sb)) &&
+ vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY);
pos = ALIGN(iloc(EROFS_SB(sb), vi->nid) + vi->inode_isize +
vi->xattr_isize, 8);
@@ -77,18 +77,22 @@ static int z_erofs_fill_inode_lazy(struct inode *inode)
}
vi->z_logical_clusterbits = LOG_BLOCK_SIZE + (h->h_clusterbits & 7);
- vi->z_physical_clusterbits[0] = vi->z_logical_clusterbits +
- ((h->h_clusterbits >> 3) & 3);
-
- if (vi->z_physical_clusterbits[0] != LOG_BLOCK_SIZE) {
- erofs_err(sb, "unsupported physical clusterbits %u for nid %llu, please upgrade kernel",
- vi->z_physical_clusterbits[0], vi->nid);
- err = -EOPNOTSUPP;
+ if (!erofs_sb_has_big_pcluster(EROFS_SB(sb)) &&
+ vi->z_advise & (Z_EROFS_ADVISE_BIG_PCLUSTER_1 |
+ Z_EROFS_ADVISE_BIG_PCLUSTER_2)) {
+ erofs_err(sb, "per-inode big pcluster without sb feature for nid %llu",
+ vi->nid);
+ err = -EFSCORRUPTED;
goto unmap_done;
}
-
- vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits +
- ((h->h_clusterbits >> 5) & 7);
+ if (vi->datalayout == EROFS_INODE_FLAT_COMPRESSION &&
+ !(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1) ^
+ !(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_2)) {
+ erofs_err(sb, "big pcluster head1/2 of compact indexes should be consistent for nid %llu",
+ vi->nid);
+ err = -EFSCORRUPTED;
+ goto unmap_done;
+ }
/* paired with smp_mb() at the beginning of the function */
smp_mb();
set_bit(EROFS_I_Z_INITED_BIT, &vi->flags);
@@ -111,7 +115,7 @@ struct z_erofs_maprecorder {
u8 type;
u16 clusterofs;
u16 delta[2];
- erofs_blk_t pblk;
+ erofs_blk_t pblk, compressedlcs;
};
static int z_erofs_reload_indexes(struct z_erofs_maprecorder *m,
@@ -174,6 +178,15 @@ static int legacy_load_cluster_from_disk(struct z_erofs_maprecorder *m,
case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
m->clusterofs = 1 << vi->z_logical_clusterbits;
m->delta[0] = le16_to_cpu(di->di_u.delta[0]);
+ if (m->delta[0] & Z_EROFS_VLE_DI_D0_CBLKCNT) {
+ if (!(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1)) {
+ DBG_BUGON(1);
+ return -EFSCORRUPTED;
+ }
+ m->compressedlcs = m->delta[0] &
+ ~Z_EROFS_VLE_DI_D0_CBLKCNT;
+ m->delta[0] = 1;
+ }
m->delta[1] = le16_to_cpu(di->di_u.delta[1]);
break;
case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
@@ -210,6 +223,7 @@ static int unpack_compacted_index(struct z_erofs_maprecorder *m,
unsigned int vcnt, base, lo, encodebits, nblk;
int i;
u8 *in, type;
+ bool big_pcluster;
if (1 << amortizedshift == 4)
vcnt = 2;
@@ -218,6 +232,7 @@ static int unpack_compacted_index(struct z_erofs_maprecorder *m,
else
return -EOPNOTSUPP;
+ big_pcluster = vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1;
encodebits = ((vcnt << amortizedshift) - sizeof(__le32)) * 8 / vcnt;
base = round_down(eofs, vcnt << amortizedshift);
in = m->kaddr + base;
@@ -229,7 +244,15 @@ static int unpack_compacted_index(struct z_erofs_maprecorder *m,
m->type = type;
if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD) {
m->clusterofs = 1 << lclusterbits;
- if (i + 1 != vcnt) {
+ if (lo & Z_EROFS_VLE_DI_D0_CBLKCNT) {
+ if (!big_pcluster) {
+ DBG_BUGON(1);
+ return -EFSCORRUPTED;
+ }
+ m->compressedlcs = lo & ~Z_EROFS_VLE_DI_D0_CBLKCNT;
+ m->delta[0] = 1;
+ return 0;
+ } else if (i + 1 != (int)vcnt) {
m->delta[0] = lo;
return 0;
}
@@ -242,22 +265,48 @@ static int unpack_compacted_index(struct z_erofs_maprecorder *m,
in, encodebits * (i - 1), &type);
if (type != Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD)
lo = 0;
+ else if (lo & Z_EROFS_VLE_DI_D0_CBLKCNT)
+ lo = 1;
m->delta[0] = lo + 1;
return 0;
}
m->clusterofs = lo;
m->delta[0] = 0;
/* figout out blkaddr (pblk) for HEAD lclusters */
- nblk = 1;
- while (i > 0) {
- --i;
- lo = decode_compactedbits(lclusterbits, lomask,
- in, encodebits * i, &type);
- if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD)
- i -= lo;
+ if (!big_pcluster) {
+ nblk = 1;
+ while (i > 0) {
+ --i;
+ lo = decode_compactedbits(lclusterbits, lomask,
+ in, encodebits * i, &type);
+ if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD)
+ i -= lo;
- if (i >= 0)
+ if (i >= 0)
+ ++nblk;
+ }
+ } else {
+ nblk = 0;
+ while (i > 0) {
+ --i;
+ lo = decode_compactedbits(lclusterbits, lomask,
+ in, encodebits * i, &type);
+ if (type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD) {
+ if (lo & Z_EROFS_VLE_DI_D0_CBLKCNT) {
+ --i;
+ nblk += lo & ~Z_EROFS_VLE_DI_D0_CBLKCNT;
+ continue;
+ }
+ /* bigpcluster shouldn't have plain d0 == 1 */
+ if (lo <= 1) {
+ DBG_BUGON(1);
+ return -EFSCORRUPTED;
+ }
+ i -= lo - 2;
+ continue;
+ }
++nblk;
+ }
}
in += (vcnt << amortizedshift) - sizeof(__le32);
m->pblk = le32_to_cpu(*(__le32 *)in) + nblk;
@@ -381,6 +430,75 @@ static int z_erofs_extent_lookback(struct z_erofs_maprecorder *m,
return 0;
}
+static int z_erofs_get_extent_compressedlen(struct z_erofs_maprecorder *m,
+ unsigned int initial_lcn)
+{
+ struct erofs_inode *const vi = EROFS_I(m->inode);
+ struct erofs_map_blocks *const map = m->map;
+ const unsigned int lclusterbits = vi->z_logical_clusterbits;
+ unsigned long lcn;
+ int err;
+
+ DBG_BUGON(m->type != Z_EROFS_VLE_CLUSTER_TYPE_PLAIN &&
+ m->type != Z_EROFS_VLE_CLUSTER_TYPE_HEAD);
+ if (!(map->m_flags & EROFS_MAP_ZIPPED) ||
+ !(vi->z_advise & Z_EROFS_ADVISE_BIG_PCLUSTER_1)) {
+ map->m_plen = 1 << lclusterbits;
+ return 0;
+ }
+
+ lcn = m->lcn + 1;
+ if (m->compressedlcs)
+ goto out;
+
+ err = z_erofs_load_cluster_from_disk(m, lcn);
+ if (err)
+ return err;
+
+ /*
+ * If the 1st NONHEAD lcluster has already been handled initially w/o
+ * valid compressedlcs, which means at least it mustn't be CBLKCNT, or
+ * an internal implemenatation error is detected.
+ *
+ * The following code can also handle it properly anyway, but let's
+ * BUG_ON in the debugging mode only for developers to notice that.
+ */
+ DBG_BUGON(lcn == initial_lcn &&
+ m->type == Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD);
+
+ switch (m->type) {
+ case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
+ case Z_EROFS_VLE_CLUSTER_TYPE_HEAD:
+ /*
+ * if the 1st NONHEAD lcluster is actually PLAIN or HEAD type
+ * rather than CBLKCNT, it's a 1 lcluster-sized pcluster.
+ */
+ m->compressedlcs = 1;
+ break;
+ case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
+ if (m->delta[0] != 1)
+ goto err_bonus_cblkcnt;
+ if (m->compressedlcs)
+ break;
+ fallthrough;
+ default:
+ erofs_err(m->inode->i_sb,
+ "cannot found CBLKCNT @ lcn %lu of nid %llu",
+ lcn, vi->nid);
+ DBG_BUGON(1);
+ return -EFSCORRUPTED;
+ }
+out:
+ map->m_plen = m->compressedlcs << lclusterbits;
+ return 0;
+err_bonus_cblkcnt:
+ erofs_err(m->inode->i_sb,
+ "bogus CBLKCNT @ lcn %lu of nid %llu",
+ lcn, vi->nid);
+ DBG_BUGON(1);
+ return -EFSCORRUPTED;
+}
+
int z_erofs_map_blocks_iter(struct inode *inode,
struct erofs_map_blocks *map,
int flags)
@@ -392,6 +510,7 @@ int z_erofs_map_blocks_iter(struct inode *inode,
};
int err = 0;
unsigned int lclusterbits, endoff;
+ unsigned long initial_lcn;
unsigned long long ofs, end;
trace_z_erofs_map_blocks_iter_enter(inode, map, flags);
@@ -410,10 +529,10 @@ int z_erofs_map_blocks_iter(struct inode *inode,
lclusterbits = vi->z_logical_clusterbits;
ofs = map->m_la;
- m.lcn = ofs >> lclusterbits;
+ initial_lcn = ofs >> lclusterbits;
endoff = ofs & ((1 << lclusterbits) - 1);
- err = z_erofs_load_cluster_from_disk(&m, m.lcn);
+ err = z_erofs_load_cluster_from_disk(&m, initial_lcn);
if (err)
goto unmap_out;
@@ -443,7 +562,7 @@ int z_erofs_map_blocks_iter(struct inode *inode,
m.delta[0] = 1;
fallthrough;
case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
- /* get the correspoinding first chunk */
+ /* get the corresponding first chunk */
err = z_erofs_extent_lookback(&m, m.delta[0]);
if (err)
goto unmap_out;
@@ -457,10 +576,12 @@ int z_erofs_map_blocks_iter(struct inode *inode,
}
map->m_llen = end - map->m_la;
- map->m_plen = 1 << lclusterbits;
map->m_pa = blknr_to_addr(m.pblk);
map->m_flags |= EROFS_MAP_MAPPED;
+ err = z_erofs_get_extent_compressedlen(&m, initial_lcn);
+ if (err)
+ goto out;
unmap_out:
if (m.kaddr)
kunmap_atomic(m.kaddr);
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 6094b2e..aeffff8 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -29,6 +29,7 @@
#include <linux/mutex.h>
#include <linux/anon_inodes.h>
#include <linux/device.h>
+#include <linux/freezer.h>
#include <linux/uaccess.h>
#include <asm/io.h>
#include <asm/mman.h>
@@ -39,6 +40,8 @@
#include <linux/rculist.h>
#include <net/busy_poll.h>
+#include <trace/hooks/fs.h>
+
/*
* LOCKING:
* There are three level of locking required by epoll :
@@ -1456,15 +1459,20 @@ static int ep_create_wakeup_source(struct epitem *epi)
{
struct name_snapshot n;
struct wakeup_source *ws;
+ char ws_name[64];
+ strlcpy(ws_name, "eventpoll", sizeof(ws_name));
+ trace_android_vh_ep_create_wakeup_source(ws_name, sizeof(ws_name));
if (!epi->ep->ws) {
- epi->ep->ws = wakeup_source_register(NULL, "eventpoll");
+ epi->ep->ws = wakeup_source_register(NULL, ws_name);
if (!epi->ep->ws)
return -ENOMEM;
}
take_dentry_name_snapshot(&n, epi->ffd.file->f_path.dentry);
- ws = wakeup_source_register(NULL, n.name.name);
+ strlcpy(ws_name, n.name.name, sizeof(ws_name));
+ trace_android_vh_ep_create_wakeup_source(ws_name, sizeof(ws_name));
+ ws = wakeup_source_register(NULL, ws_name);
release_dentry_name_snapshot(&n);
if (!ws)
@@ -1909,8 +1917,8 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
write_unlock_irq(&ep->lock);
if (!eavail && !res)
- timed_out = !schedule_hrtimeout_range(to, slack,
- HRTIMER_MODE_ABS);
+ timed_out = !freezable_schedule_hrtimeout_range(to, slack,
+ HRTIMER_MODE_ABS);
/*
* We were woken up, thus go and try to harvest some events.
diff --git a/fs/exec.c b/fs/exec.c
index ca89e0e..ec5ef10 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -73,6 +73,9 @@
#include "internal.h"
#include <trace/events/sched.h>
+#include <trace/hooks/sched.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(task_rename);
static int bprm_creds_from_file(struct linux_binprm *bprm);
@@ -232,7 +235,7 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
static void put_arg_page(struct page *page)
{
- put_page(page);
+ put_user_page(page);
}
static void free_arg_pages(struct linux_binprm *bprm)
@@ -1227,6 +1230,7 @@ void __set_task_comm(struct task_struct *tsk, const char *buf, bool exec)
strlcpy(tsk->comm, buf, sizeof(tsk->comm));
task_unlock(tsk);
perf_event_comm(tsk, exec);
+ trace_android_vh_set_task_comm(tsk);
}
/*
diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c
index 9a682e4..d5f6eb0 100644
--- a/fs/ext2/xattr_security.c
+++ b/fs/ext2/xattr_security.c
@@ -11,7 +11,7 @@
static int
ext2_xattr_security_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
return ext2_xattr_get(inode, EXT2_XATTR_INDEX_SECURITY, name,
buffer, size);
diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c
index 49add11..8d31366 100644
--- a/fs/ext2/xattr_trusted.c
+++ b/fs/ext2/xattr_trusted.c
@@ -18,7 +18,7 @@ ext2_xattr_trusted_list(struct dentry *dentry)
static int
ext2_xattr_trusted_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name,
buffer, size);
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
index c243a3b..712b7c9 100644
--- a/fs/ext2/xattr_user.c
+++ b/fs/ext2/xattr_user.c
@@ -20,7 +20,7 @@ ext2_xattr_user_list(struct dentry *dentry)
static int
ext2_xattr_user_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
if (!test_opt(inode->i_sb, XATTR_USER))
return -EOPNOTSUPP;
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 70a0f5e..19a2c67 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -30,6 +30,8 @@
#include "ext4.h"
#include "xattr.h"
+#define DOTDOT_OFFSET 12
+
static int ext4_dx_readdir(struct file *, struct dir_context *);
/**
@@ -55,6 +57,19 @@ static int is_dx_dir(struct inode *inode)
return 0;
}
+static bool is_fake_entry(struct inode *dir, ext4_lblk_t lblk,
+ unsigned int offset, unsigned int blocksize)
+{
+ /* Entries in the first block before this value refer to . or .. */
+ if (lblk == 0 && offset <= DOTDOT_OFFSET)
+ return true;
+ /* Check if this is likely the csum entry */
+ if (ext4_has_metadata_csum(dir->i_sb) && offset % blocksize ==
+ blocksize - sizeof(struct ext4_dir_entry_tail))
+ return true;
+ return false;
+}
+
/*
* Return 0 if the directory entry is OK, and 1 if there is a problem
*
@@ -67,22 +82,28 @@ int __ext4_check_dir_entry(const char *function, unsigned int line,
struct inode *dir, struct file *filp,
struct ext4_dir_entry_2 *de,
struct buffer_head *bh, char *buf, int size,
+ ext4_lblk_t lblk,
unsigned int offset)
{
const char *error_msg = NULL;
const int rlen = ext4_rec_len_from_disk(de->rec_len,
dir->i_sb->s_blocksize);
const int next_offset = ((char *) de - buf) + rlen;
+ unsigned int blocksize = dir->i_sb->s_blocksize;
+ bool fake = is_fake_entry(dir, lblk, offset, blocksize);
+ bool next_fake = is_fake_entry(dir, lblk, next_offset, blocksize);
- if (unlikely(rlen < EXT4_DIR_REC_LEN(1)))
+ if (unlikely(rlen < ext4_dir_rec_len(1, fake ? NULL : dir)))
error_msg = "rec_len is smaller than minimal";
else if (unlikely(rlen % 4 != 0))
error_msg = "rec_len % 4 != 0";
- else if (unlikely(rlen < EXT4_DIR_REC_LEN(de->name_len)))
+ else if (unlikely(rlen < ext4_dir_rec_len(de->name_len,
+ fake ? NULL : dir)))
error_msg = "rec_len is too small for name_len";
else if (unlikely(next_offset > size))
error_msg = "directory entry overrun";
- else if (unlikely(next_offset > size - EXT4_DIR_REC_LEN(1) &&
+ else if (unlikely(next_offset > size - ext4_dir_rec_len(1,
+ next_fake ? NULL : dir) &&
next_offset != size))
error_msg = "directory entry too close to block end";
else if (unlikely(le32_to_cpu(de->inode) >
@@ -94,15 +115,15 @@ int __ext4_check_dir_entry(const char *function, unsigned int line,
if (filp)
ext4_error_file(filp, function, line, bh->b_blocknr,
"bad entry in directory: %s - offset=%u, "
- "inode=%u, rec_len=%d, name_len=%d, size=%d",
+ "inode=%u, rec_len=%d, lblk=%d, size=%d fake=%d",
error_msg, offset, le32_to_cpu(de->inode),
- rlen, de->name_len, size);
+ rlen, lblk, size, fake);
else
ext4_error_inode(dir, function, line, bh->b_blocknr,
"bad entry in directory: %s - offset=%u, "
- "inode=%u, rec_len=%d, name_len=%d, size=%d",
+ "inode=%u, rec_len=%d, lblk=%d, size=%d fake=%d",
error_msg, offset, le32_to_cpu(de->inode),
- rlen, de->name_len, size);
+ rlen, lblk, size, fake);
return 1;
}
@@ -118,11 +139,9 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
struct buffer_head *bh = NULL;
struct fscrypt_str fstr = FSTR_INIT(NULL, 0);
- if (IS_ENCRYPTED(inode)) {
- err = fscrypt_get_encryption_info(inode);
- if (err)
- return err;
- }
+ err = fscrypt_prepare_readdir(inode);
+ if (err)
+ return err;
if (is_dx_dir(inode)) {
err = ext4_dx_readdir(file, ctx);
@@ -226,7 +245,8 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
* failure will be detected in the
* dirent test below. */
if (ext4_rec_len_from_disk(de->rec_len,
- sb->s_blocksize) < EXT4_DIR_REC_LEN(1))
+ sb->s_blocksize) < ext4_dir_rec_len(1,
+ inode))
break;
i += ext4_rec_len_from_disk(de->rec_len,
sb->s_blocksize);
@@ -242,7 +262,7 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
de = (struct ext4_dir_entry_2 *) (bh->b_data + offset);
if (ext4_check_dir_entry(inode, file, de, bh,
bh->b_data, bh->b_size,
- offset)) {
+ map.m_lblk, offset)) {
/*
* On error, skip to the next block
*/
@@ -267,7 +287,9 @@ static int ext4_readdir(struct file *file, struct dir_context *ctx)
/* Directory is encrypted */
err = fscrypt_fname_disk_to_usr(inode,
- 0, 0, &de_name, &fstr);
+ EXT4_DIRENT_HASH(de),
+ EXT4_DIRENT_MINOR_HASH(de),
+ &de_name, &fstr);
de_name = fstr;
fstr.len = save_len;
if (err)
@@ -616,13 +638,6 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
return ret < 0 ? ret : 0;
}
-static int ext4_dir_open(struct inode * inode, struct file * filp)
-{
- if (IS_ENCRYPTED(inode))
- return fscrypt_get_encryption_info(inode) ? -EACCES : 0;
- return 0;
-}
-
static int ext4_release_dir(struct inode *inode, struct file *filp)
{
if (filp->private_data)
@@ -643,7 +658,7 @@ int ext4_check_all_de(struct inode *dir, struct buffer_head *bh, void *buf,
top = buf + buf_size;
while ((char *) de < top) {
if (ext4_check_dir_entry(dir, NULL, de, bh,
- buf, buf_size, offset))
+ buf, buf_size, 0, offset))
return -EFSCORRUPTED;
rlen = ext4_rec_len_from_disk(de->rec_len, buf_size);
de = (struct ext4_dir_entry_2 *)((char *)de + rlen);
@@ -664,13 +679,5 @@ const struct file_operations ext4_dir_operations = {
.compat_ioctl = ext4_compat_ioctl,
#endif
.fsync = ext4_sync_file,
- .open = ext4_dir_open,
.release = ext4_release_dir,
};
-
-#ifdef CONFIG_UNICODE
-const struct dentry_operations ext4_dentry_ops = {
- .d_hash = generic_ci_d_hash,
- .d_compare = generic_ci_d_compare,
-};
-#endif
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 115a77b..2d345e0 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2167,6 +2167,17 @@ struct ext4_dir_entry {
char name[EXT4_NAME_LEN]; /* File name */
};
+
+/*
+ * Encrypted Casefolded entries require saving the hash on disk. This structure
+ * followed ext4_dir_entry_2's name[name_len] at the next 4 byte aligned
+ * boundary.
+ */
+struct ext4_dir_entry_hash {
+ __le32 hash;
+ __le32 minor_hash;
+};
+
/*
* The new version of the directory entry. Since EXT4 structures are
* stored in intel byte order, and the name_len field could never be
@@ -2182,6 +2193,22 @@ struct ext4_dir_entry_2 {
};
/*
+ * Access the hashes at the end of ext4_dir_entry_2
+ */
+#define EXT4_DIRENT_HASHES(entry) \
+ ((struct ext4_dir_entry_hash *) \
+ (((void *)(entry)) + \
+ ((8 + (entry)->name_len + EXT4_DIR_ROUND) & ~EXT4_DIR_ROUND)))
+#define EXT4_DIRENT_HASH(entry) le32_to_cpu(EXT4_DIRENT_HASHES(de)->hash)
+#define EXT4_DIRENT_MINOR_HASH(entry) \
+ le32_to_cpu(EXT4_DIRENT_HASHES(de)->minor_hash)
+
+static inline bool ext4_hash_in_dirent(const struct inode *inode)
+{
+ return IS_CASEFOLDED(inode) && IS_ENCRYPTED(inode);
+}
+
+/*
* This is a bogus directory entry at the end of each leaf block that
* records checksums.
*/
@@ -2222,11 +2249,25 @@ struct ext4_dir_entry_tail {
*/
#define EXT4_DIR_PAD 4
#define EXT4_DIR_ROUND (EXT4_DIR_PAD - 1)
-#define EXT4_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT4_DIR_ROUND) & \
- ~EXT4_DIR_ROUND)
#define EXT4_MAX_REC_LEN ((1<<16)-1)
/*
+ * The rec_len is dependent on the type of directory. Directories that are
+ * casefolded and encrypted need to store the hash as well, so we add room for
+ * ext4_extended_dir_entry_2. For all entries related to '.' or '..' you should
+ * pass NULL for dir, as those entries do not use the extra fields.
+ */
+static inline unsigned int ext4_dir_rec_len(__u8 name_len,
+ const struct inode *dir)
+{
+ int rec_len = (name_len + 8 + EXT4_DIR_ROUND);
+
+ if (dir && ext4_hash_in_dirent(dir))
+ rec_len += sizeof(struct ext4_dir_entry_hash);
+ return (rec_len & ~EXT4_DIR_ROUND);
+}
+
+/*
* If we ever get support for fs block sizes > page_size, we'll need
* to remove the #if statements in the next two functions...
*/
@@ -2282,6 +2323,7 @@ static inline __le16 ext4_rec_len_to_disk(unsigned len, unsigned blocksize)
#define DX_HASH_LEGACY_UNSIGNED 3
#define DX_HASH_HALF_MD4_UNSIGNED 4
#define DX_HASH_TEA_UNSIGNED 5
+#define DX_HASH_SIPHASH 6
static inline u32 ext4_chksum(struct ext4_sb_info *sbi, u32 crc,
const void *address, unsigned int length)
@@ -2336,6 +2378,7 @@ struct ext4_filename {
};
#define fname_name(p) ((p)->disk_name.name)
+#define fname_usr_name(p) ((p)->usr_fname->name)
#define fname_len(p) ((p)->disk_name.len)
/*
@@ -2566,9 +2609,9 @@ extern unsigned ext4_free_clusters_after_init(struct super_block *sb,
ext4_fsblk_t ext4_inode_to_goal_block(struct inode *);
#ifdef CONFIG_UNICODE
-extern void ext4_fname_setup_ci_filename(struct inode *dir,
+extern int ext4_fname_setup_ci_filename(struct inode *dir,
const struct qstr *iname,
- struct fscrypt_str *fname);
+ struct ext4_filename *fname);
#endif
#ifdef CONFIG_FS_ENCRYPTION
@@ -2599,9 +2642,9 @@ static inline int ext4_fname_setup_filename(struct inode *dir,
ext4_fname_from_fscrypt_name(fname, &name);
#ifdef CONFIG_UNICODE
- ext4_fname_setup_ci_filename(dir, iname, &fname->cf_name);
+ err = ext4_fname_setup_ci_filename(dir, iname, fname);
#endif
- return 0;
+ return err;
}
static inline int ext4_fname_prepare_lookup(struct inode *dir,
@@ -2618,9 +2661,9 @@ static inline int ext4_fname_prepare_lookup(struct inode *dir,
ext4_fname_from_fscrypt_name(fname, &name);
#ifdef CONFIG_UNICODE
- ext4_fname_setup_ci_filename(dir, &dentry->d_name, &fname->cf_name);
+ err = ext4_fname_setup_ci_filename(dir, &dentry->d_name, fname);
#endif
- return 0;
+ return err;
}
static inline void ext4_fname_free_filename(struct ext4_filename *fname)
@@ -2645,15 +2688,16 @@ static inline int ext4_fname_setup_filename(struct inode *dir,
int lookup,
struct ext4_filename *fname)
{
+ int err = 0;
fname->usr_fname = iname;
fname->disk_name.name = (unsigned char *) iname->name;
fname->disk_name.len = iname->len;
#ifdef CONFIG_UNICODE
- ext4_fname_setup_ci_filename(dir, iname, &fname->cf_name);
+ err = ext4_fname_setup_ci_filename(dir, iname, fname);
#endif
- return 0;
+ return err;
}
static inline int ext4_fname_prepare_lookup(struct inode *dir,
@@ -2677,21 +2721,22 @@ extern int __ext4_check_dir_entry(const char *, unsigned int, struct inode *,
struct file *,
struct ext4_dir_entry_2 *,
struct buffer_head *, char *, int,
- unsigned int);
-#define ext4_check_dir_entry(dir, filp, de, bh, buf, size, offset) \
+ ext4_lblk_t, unsigned int);
+#define ext4_check_dir_entry(dir, filp, de, bh, buf, size, lblk, offset) \
unlikely(__ext4_check_dir_entry(__func__, __LINE__, (dir), (filp), \
- (de), (bh), (buf), (size), (offset)))
+ (de), (bh), (buf), (size), (lblk), (offset)))
extern int ext4_htree_store_dirent(struct file *dir_file, __u32 hash,
__u32 minor_hash,
struct ext4_dir_entry_2 *dirent,
struct fscrypt_str *ent_name);
extern void ext4_htree_free_dir_info(struct dir_private_info *p);
extern int ext4_find_dest_de(struct inode *dir, struct inode *inode,
+ ext4_lblk_t lblk,
struct buffer_head *bh,
void *buf, int buf_size,
struct ext4_filename *fname,
struct ext4_dir_entry_2 **dest_de);
-void ext4_insert_dentry(struct inode *inode,
+void ext4_insert_dentry(struct inode *dir, struct inode *inode,
struct ext4_dir_entry_2 *de,
int buf_size,
struct ext4_filename *fname);
@@ -2915,10 +2960,11 @@ extern int ext4_search_dir(struct buffer_head *bh,
int buf_size,
struct inode *dir,
struct ext4_filename *fname,
- unsigned int offset,
+ ext4_lblk_t lblk, unsigned int offset,
struct ext4_dir_entry_2 **res_dir);
extern int ext4_generic_delete_entry(struct inode *dir,
struct ext4_dir_entry_2 *de_del,
+ ext4_lblk_t lblk,
struct buffer_head *bh,
void *entry_buf,
int buf_size,
@@ -3385,10 +3431,6 @@ static inline void ext4_unlock_group(struct super_block *sb,
/* dir.c */
extern const struct file_operations ext4_dir_operations;
-#ifdef CONFIG_UNICODE
-extern const struct dentry_operations ext4_dentry_ops;
-#endif
-
/* file.c */
extern const struct inode_operations ext4_file_inode_operations;
extern const struct file_operations ext4_file_operations;
@@ -3480,9 +3522,6 @@ extern void ext4_initialize_dirent_tail(struct buffer_head *bh,
unsigned int blocksize);
extern int ext4_handle_dirty_dirblock(handle_t *handle, struct inode *inode,
struct buffer_head *bh);
-extern int ext4_ci_compare(const struct inode *parent,
- const struct qstr *fname,
- const struct qstr *entry, bool quick);
extern int __ext4_unlink(handle_t *handle, struct inode *dir, const struct qstr *d_name,
struct inode *inode);
extern int __ext4_link(struct inode *dir, struct inode *inode,
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 7b28d44..98c13bf 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -36,9 +36,11 @@
#include "acl.h"
#include "truncate.h"
-static bool ext4_dio_supported(struct inode *inode)
+static bool ext4_dio_supported(struct kiocb *iocb, struct iov_iter *iter)
{
- if (IS_ENABLED(CONFIG_FS_ENCRYPTION) && IS_ENCRYPTED(inode))
+ struct inode *inode = file_inode(iocb->ki_filp);
+
+ if (!fscrypt_dio_supported(iocb, iter))
return false;
if (fsverity_active(inode))
return false;
@@ -61,7 +63,7 @@ static ssize_t ext4_dio_read_iter(struct kiocb *iocb, struct iov_iter *to)
inode_lock_shared(inode);
}
- if (!ext4_dio_supported(inode)) {
+ if (!ext4_dio_supported(iocb, to)) {
inode_unlock_shared(inode);
/*
* Fallback to buffered I/O if the operation being performed on
@@ -512,7 +514,7 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from)
}
/* Fallback to buffered I/O if the inode does not support direct I/O. */
- if (!ext4_dio_supported(inode)) {
+ if (!ext4_dio_supported(iocb, from)) {
if (ilock_shared)
inode_unlock_shared(inode);
else
@@ -760,6 +762,9 @@ static const struct vm_operations_struct ext4_file_vm_ops = {
.fault = ext4_filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = ext4_page_mkwrite,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ .allow_speculation = filemap_allow_speculation,
+#endif
};
static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
diff --git a/fs/ext4/fsmap.c b/fs/ext4/fsmap.c
index 4493ef0..4c2a9fe 100644
--- a/fs/ext4/fsmap.c
+++ b/fs/ext4/fsmap.c
@@ -354,8 +354,8 @@ static unsigned int ext4_getfsmap_find_sb(struct super_block *sb,
/* Compare two fsmap items. */
static int ext4_getfsmap_compare(void *priv,
- const struct list_head *a,
- const struct list_head *b)
+ struct list_head *a,
+ struct list_head *b)
{
struct ext4_fsmap *fa;
struct ext4_fsmap *fb;
diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c
index a92eb79..aeec7a2 100644
--- a/fs/ext4/hash.c
+++ b/fs/ext4/hash.c
@@ -197,7 +197,7 @@ static void str2hashbuf_unsigned(const char *msg, int len, __u32 *buf, int num)
* represented, and whether or not the returned hash is 32 bits or 64
* bits. 32 bit hashes will return 0 for the minor hash.
*/
-static int __ext4fs_dirhash(const char *name, int len,
+static int __ext4fs_dirhash(const struct inode *dir, const char *name, int len,
struct dx_hash_info *hinfo)
{
__u32 hash;
@@ -259,6 +259,22 @@ static int __ext4fs_dirhash(const char *name, int len,
hash = buf[0];
minor_hash = buf[1];
break;
+ case DX_HASH_SIPHASH:
+ {
+ struct qstr qname = QSTR_INIT(name, len);
+ __u64 combined_hash;
+
+ if (fscrypt_has_encryption_key(dir)) {
+ combined_hash = fscrypt_fname_siphash(dir, &qname);
+ } else {
+ ext4_warning_inode(dir, "Siphash requires key");
+ return -1;
+ }
+
+ hash = (__u32)(combined_hash >> 32);
+ minor_hash = (__u32)combined_hash;
+ break;
+ }
default:
hinfo->hash = 0;
return -1;
@@ -280,7 +296,8 @@ int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
unsigned char *buff;
struct qstr qstr = {.name = name, .len = len };
- if (len && IS_CASEFOLDED(dir) && um) {
+ if (len && IS_CASEFOLDED(dir) && um &&
+ (!IS_ENCRYPTED(dir) || fscrypt_has_encryption_key(dir))) {
buff = kzalloc(sizeof(char) * PATH_MAX, GFP_KERNEL);
if (!buff)
return -ENOMEM;
@@ -291,12 +308,12 @@ int ext4fs_dirhash(const struct inode *dir, const char *name, int len,
goto opaque_seq;
}
- r = __ext4fs_dirhash(buff, dlen, hinfo);
+ r = __ext4fs_dirhash(dir, buff, dlen, hinfo);
kfree(buff);
return r;
}
opaque_seq:
#endif
- return __ext4fs_dirhash(name, len, hinfo);
+ return __ext4fs_dirhash(dir, name, len, hinfo);
}
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 875af32..650091b 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -458,7 +458,10 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent,
int ret = -1;
if (qstr) {
- hinfo.hash_version = DX_HASH_HALF_MD4;
+ if (ext4_hash_in_dirent(parent))
+ hinfo.hash_version = DX_HASH_SIPHASH;
+ else
+ hinfo.hash_version = DX_HASH_HALF_MD4;
hinfo.seed = sbi->s_hash_seed;
ext4fs_dirhash(parent, qstr->name, qstr->len, &hinfo);
grp = hinfo.hash;
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index a96b688..a2dff5d 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -12,6 +12,7 @@
#include "ext4.h"
#include "xattr.h"
#include "truncate.h"
+#include <trace/events/android_fs.h>
#define EXT4_XATTR_SYSTEM_DATA "data"
#define EXT4_MIN_INLINE_DATA_SIZE ((sizeof(__le32) * EXT4_N_BLOCKS))
@@ -505,6 +506,17 @@ int ext4_readpage_inline(struct inode *inode, struct page *page)
return -EAGAIN;
}
+ if (trace_android_fs_dataread_start_enabled()) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ inode);
+ trace_android_fs_dataread_start(inode, page_offset(page),
+ PAGE_SIZE, current->pid,
+ path, current->comm);
+ }
+
/*
* Current inline data can only exist in the 1st page,
* So for all the other pages, just set them uptodate.
@@ -516,6 +528,8 @@ int ext4_readpage_inline(struct inode *inode, struct page *page)
SetPageUptodate(page);
}
+ trace_android_fs_dataread_end(inode, page_offset(page), PAGE_SIZE);
+
up_read(&EXT4_I(inode)->xattr_sem);
unlock_page(page);
@@ -997,7 +1011,7 @@ void ext4_show_inline_dir(struct inode *dir, struct buffer_head *bh,
offset, de_len, de->name_len, de->name,
de->name_len, le32_to_cpu(de->inode));
if (ext4_check_dir_entry(dir, NULL, de, bh,
- inline_start, inline_size, offset))
+ inline_start, inline_size, 0, offset))
BUG();
offset += de_len;
@@ -1023,7 +1037,7 @@ static int ext4_add_dirent_to_inline(handle_t *handle,
int err;
struct ext4_dir_entry_2 *de;
- err = ext4_find_dest_de(dir, inode, iloc->bh, inline_start,
+ err = ext4_find_dest_de(dir, inode, 0, iloc->bh, inline_start,
inline_size, fname, &de);
if (err)
return err;
@@ -1032,7 +1046,7 @@ static int ext4_add_dirent_to_inline(handle_t *handle,
err = ext4_journal_get_write_access(handle, iloc->bh);
if (err)
return err;
- ext4_insert_dentry(inode, de, inline_size, fname);
+ ext4_insert_dentry(dir, inode, de, inline_size, fname);
ext4_show_inline_dir(dir, iloc->bh, inline_start, inline_size);
@@ -1101,7 +1115,7 @@ static int ext4_update_inline_dir(handle_t *handle, struct inode *dir,
int old_size = EXT4_I(dir)->i_inline_size - EXT4_MIN_INLINE_DATA_SIZE;
int new_size = get_max_inline_xattr_value_size(dir, iloc);
- if (new_size - old_size <= EXT4_DIR_REC_LEN(1))
+ if (new_size - old_size <= ext4_dir_rec_len(1, NULL))
return -ENOSPC;
ret = ext4_update_inline_data(handle, dir,
@@ -1381,8 +1395,8 @@ int ext4_inlinedir_to_tree(struct file *dir_file,
fake.name_len = 1;
strcpy(fake.name, ".");
fake.rec_len = ext4_rec_len_to_disk(
- EXT4_DIR_REC_LEN(fake.name_len),
- inline_size);
+ ext4_dir_rec_len(fake.name_len, NULL),
+ inline_size);
ext4_set_de_type(inode->i_sb, &fake, S_IFDIR);
de = &fake;
pos = EXT4_INLINE_DOTDOT_OFFSET;
@@ -1391,8 +1405,8 @@ int ext4_inlinedir_to_tree(struct file *dir_file,
fake.name_len = 2;
strcpy(fake.name, "..");
fake.rec_len = ext4_rec_len_to_disk(
- EXT4_DIR_REC_LEN(fake.name_len),
- inline_size);
+ ext4_dir_rec_len(fake.name_len, NULL),
+ inline_size);
ext4_set_de_type(inode->i_sb, &fake, S_IFDIR);
de = &fake;
pos = EXT4_INLINE_DOTDOT_SIZE;
@@ -1401,13 +1415,18 @@ int ext4_inlinedir_to_tree(struct file *dir_file,
pos += ext4_rec_len_from_disk(de->rec_len, inline_size);
if (ext4_check_dir_entry(inode, dir_file, de,
iloc.bh, dir_buf,
- inline_size, pos)) {
+ inline_size, block, pos)) {
ret = count;
goto out;
}
}
- ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+ if (ext4_hash_in_dirent(dir)) {
+ hinfo->hash = EXT4_DIRENT_HASH(de);
+ hinfo->minor_hash = EXT4_DIRENT_MINOR_HASH(de);
+ } else {
+ ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+ }
if ((hinfo->hash < start_hash) ||
((hinfo->hash == start_hash) &&
(hinfo->minor_hash < start_minor_hash)))
@@ -1489,8 +1508,8 @@ int ext4_read_inline_dir(struct file *file,
* So we will use extra_offset and extra_size to indicate them
* during the inline dir iteration.
*/
- dotdot_offset = EXT4_DIR_REC_LEN(1);
- dotdot_size = dotdot_offset + EXT4_DIR_REC_LEN(2);
+ dotdot_offset = ext4_dir_rec_len(1, NULL);
+ dotdot_size = dotdot_offset + ext4_dir_rec_len(2, NULL);
extra_offset = dotdot_size - EXT4_INLINE_DOTDOT_SIZE;
extra_size = extra_offset + inline_size;
@@ -1525,7 +1544,7 @@ int ext4_read_inline_dir(struct file *file,
* failure will be detected in the
* dirent test below. */
if (ext4_rec_len_from_disk(de->rec_len, extra_size)
- < EXT4_DIR_REC_LEN(1))
+ < ext4_dir_rec_len(1, NULL))
break;
i += ext4_rec_len_from_disk(de->rec_len,
extra_size);
@@ -1553,7 +1572,7 @@ int ext4_read_inline_dir(struct file *file,
de = (struct ext4_dir_entry_2 *)
(dir_buf + ctx->pos - extra_offset);
if (ext4_check_dir_entry(inode, file, de, iloc.bh, dir_buf,
- extra_size, ctx->pos))
+ extra_size, 0, ctx->pos))
goto out;
if (le32_to_cpu(de->inode)) {
if (!dir_emit(ctx, de->name, de->name_len,
@@ -1645,7 +1664,7 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir,
EXT4_INLINE_DOTDOT_SIZE;
inline_size = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DOTDOT_SIZE;
ret = ext4_search_dir(iloc.bh, inline_start, inline_size,
- dir, fname, 0, res_dir);
+ dir, fname, 0, 0, res_dir);
if (ret == 1)
goto out_find;
if (ret < 0)
@@ -1658,7 +1677,7 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir,
inline_size = ext4_get_inline_size(dir) - EXT4_MIN_INLINE_DATA_SIZE;
ret = ext4_search_dir(iloc.bh, inline_start, inline_size,
- dir, fname, 0, res_dir);
+ dir, fname, 0, 0, res_dir);
if (ret == 1)
goto out_find;
@@ -1707,7 +1726,7 @@ int ext4_delete_inline_entry(handle_t *handle,
if (err)
goto out;
- err = ext4_generic_delete_entry(dir, de_del, bh,
+ err = ext4_generic_delete_entry(dir, de_del, 0, bh,
inline_start, inline_size, 0);
if (err)
goto out;
@@ -1792,7 +1811,7 @@ bool empty_inline_dir(struct inode *dir, int *has_inline_data)
&inline_pos, &inline_size);
if (ext4_check_dir_entry(dir, NULL, de,
iloc.bh, inline_pos,
- inline_size, offset)) {
+ inline_size, 0, offset)) {
ext4_warning(dir->i_sb,
"bad inline directory (dir #%lu) - "
"inode %u, rec_len %u, name_len %d"
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 317aa1b..e2887cd 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -47,6 +47,7 @@
#include "truncate.h"
#include <trace/events/ext4.h>
+#include <trace/events/android_fs.h>
static __u32 ext4_inode_csum(struct inode *inode, struct ext4_inode *raw,
struct ext4_inode_info *ei)
@@ -1144,6 +1145,16 @@ static int ext4_write_begin(struct file *file, struct address_space *mapping,
if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
return -EIO;
+ if (trace_android_fs_datawrite_start_enabled()) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ inode);
+ trace_android_fs_datawrite_start(inode, pos, len,
+ current->pid, path,
+ current->comm);
+ }
trace_ext4_write_begin(inode, pos, len, flags);
/*
* Reserve one block more for addition to orphan list in case
@@ -1286,6 +1297,7 @@ static int ext4_write_end(struct file *file,
int inline_data = ext4_has_inline_data(inode);
bool verity = ext4_verity_in_progress(inode);
+ trace_android_fs_datawrite_end(inode, pos, len);
trace_ext4_write_end(inode, pos, len, copied);
if (inline_data) {
ret = ext4_write_inline_data_end(inode, pos, len,
@@ -1398,6 +1410,7 @@ static int ext4_journalled_write_end(struct file *file,
int inline_data = ext4_has_inline_data(inode);
bool verity = ext4_verity_in_progress(inode);
+ trace_android_fs_datawrite_end(inode, pos, len);
trace_ext4_journalled_write_end(inode, pos, len, copied);
from = pos & (PAGE_SIZE - 1);
to = from + len;
@@ -2970,6 +2983,16 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
len, flags, pagep, fsdata);
}
*fsdata = (void *)0;
+ if (trace_android_fs_datawrite_start_enabled()) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ inode);
+ trace_android_fs_datawrite_start(inode, pos, len,
+ current->pid,
+ path, current->comm);
+ }
trace_ext4_da_write_begin(inode, pos, len, flags);
if (ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) {
@@ -3088,6 +3111,7 @@ static int ext4_da_write_end(struct file *file,
return ext4_write_end(file, mapping, pos,
len, copied, page, fsdata);
+ trace_android_fs_datawrite_end(inode, pos, len);
trace_ext4_da_write_end(inode, pos, len, copied);
start = pos & (PAGE_SIZE - 1);
end = start + copied - 1;
@@ -3492,6 +3516,14 @@ static int ext4_iomap_begin(struct inode *inode, loff_t offset, loff_t length,
if (ret < 0)
return ret;
out:
+
+ /*
+ * When inline encryption is enabled, sometimes I/O to an encrypted file
+ * has to be broken up to guarantee DUN contiguity. Handle this by
+ * limiting the length of the mapping returned.
+ */
+ map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len);
+
ext4_set_iomap(inode, iomap, &map, offset, length);
return 0;
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index cb54ea6..8d54a8a 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -630,7 +630,7 @@ static int ext4_shutdown(struct super_block *sb, unsigned long arg)
case EXT4_GOING_FLAGS_DEFAULT:
freeze_bdev(sb->s_bdev);
set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags);
- thaw_bdev(sb->s_bdev, sb);
+ thaw_bdev(sb->s_bdev);
break;
case EXT4_GOING_FLAGS_LOGFLUSH:
set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags);
@@ -1315,6 +1315,12 @@ static long __ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return -EOPNOTSUPP;
return fsverity_ioctl_measure(filp, (void __user *)arg);
+ case FS_IOC_READ_VERITY_METADATA:
+ if (!ext4_has_feature_verity(sb))
+ return -EOPNOTSUPP;
+ return fsverity_ioctl_read_metadata(filp,
+ (const void __user *)arg);
+
default:
return -ENOTTY;
}
@@ -1397,6 +1403,7 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case FS_IOC_GETFSMAP:
case FS_IOC_ENABLE_VERITY:
case FS_IOC_MEASURE_VERITY:
+ case FS_IOC_READ_VERITY_METADATA:
case EXT4_IOC_CLEAR_ES_CACHE:
case EXT4_IOC_GETSTATE:
case EXT4_IOC_GET_ES_CACHE:
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index f71de6c..09c446c 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -284,9 +284,11 @@ static int dx_make_map(struct inode *dir, struct ext4_dir_entry_2 *de,
unsigned blocksize, struct dx_hash_info *hinfo,
struct dx_map_entry map[]);
static void dx_sort_map(struct dx_map_entry *map, unsigned count);
-static struct ext4_dir_entry_2 *dx_move_dirents(char *from, char *to,
- struct dx_map_entry *offsets, int count, unsigned blocksize);
-static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize);
+static struct ext4_dir_entry_2 *dx_move_dirents(struct inode *dir, char *from,
+ char *to, struct dx_map_entry *offsets,
+ int count, unsigned int blocksize);
+static struct ext4_dir_entry_2 *dx_pack_dirents(struct inode *dir, char *base,
+ unsigned int blocksize);
static void dx_insert_block(struct dx_frame *frame,
u32 hash, ext4_lblk_t block);
static int ext4_htree_next_block(struct inode *dir, __u32 hash,
@@ -295,7 +297,7 @@ static int ext4_htree_next_block(struct inode *dir, __u32 hash,
__u32 *start_hash);
static struct buffer_head * ext4_dx_find_entry(struct inode *dir,
struct ext4_filename *fname,
- struct ext4_dir_entry_2 **res_dir);
+ struct ext4_dir_entry_2 **res_dir, ext4_lblk_t *lblk);
static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
struct inode *dir, struct inode *inode);
@@ -578,8 +580,9 @@ static inline void dx_set_limit(struct dx_entry *entries, unsigned value)
static inline unsigned dx_root_limit(struct inode *dir, unsigned infosize)
{
- unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(1) -
- EXT4_DIR_REC_LEN(2) - infosize;
+ unsigned int entry_space = dir->i_sb->s_blocksize -
+ ext4_dir_rec_len(1, NULL) -
+ ext4_dir_rec_len(2, NULL) - infosize;
if (ext4_has_metadata_csum(dir->i_sb))
entry_space -= sizeof(struct dx_tail);
@@ -588,7 +591,8 @@ static inline unsigned dx_root_limit(struct inode *dir, unsigned infosize)
static inline unsigned dx_node_limit(struct inode *dir)
{
- unsigned entry_space = dir->i_sb->s_blocksize - EXT4_DIR_REC_LEN(0);
+ unsigned int entry_space = dir->i_sb->s_blocksize -
+ ext4_dir_rec_len(0, dir);
if (ext4_has_metadata_csum(dir->i_sb))
entry_space -= sizeof(struct dx_tail);
@@ -643,13 +647,7 @@ static struct stats dx_show_leaf(struct inode *dir,
name = de->name;
len = de->name_len;
- if (IS_ENCRYPTED(dir))
- res = fscrypt_get_encryption_info(dir);
- if (res) {
- printk(KERN_WARNING "Error setting up"
- " fname crypto: %d\n", res);
- }
- if (!fscrypt_has_encryption_key(dir)) {
+ if (!IS_ENCRYPTED(dir)) {
/* Directory is not encrypted */
ext4fs_dirhash(dir, de->name,
de->name_len, &h);
@@ -683,7 +681,10 @@ static struct stats dx_show_leaf(struct inode *dir,
name = fname_crypto_str.name;
len = fname_crypto_str.len;
}
- ext4fs_dirhash(dir, de->name,
+ if (IS_CASEFOLDED(dir))
+ h.hash = EXT4_DIRENT_HASH(de);
+ else
+ ext4fs_dirhash(dir, de->name,
de->name_len, &h);
printk("%*.s:(E)%x.%u ", len, name,
h.hash, (unsigned) ((char *) de
@@ -699,7 +700,7 @@ static struct stats dx_show_leaf(struct inode *dir,
(unsigned) ((char *) de - base));
#endif
}
- space += EXT4_DIR_REC_LEN(de->name_len);
+ space += ext4_dir_rec_len(de->name_len, dir);
names++;
}
de = ext4_next_entry(de, size);
@@ -771,18 +772,34 @@ dx_probe(struct ext4_filename *fname, struct inode *dir,
root = (struct dx_root *) frame->bh->b_data;
if (root->info.hash_version != DX_HASH_TEA &&
root->info.hash_version != DX_HASH_HALF_MD4 &&
- root->info.hash_version != DX_HASH_LEGACY) {
+ root->info.hash_version != DX_HASH_LEGACY &&
+ root->info.hash_version != DX_HASH_SIPHASH) {
ext4_warning_inode(dir, "Unrecognised inode hash code %u",
root->info.hash_version);
goto fail;
}
+ if (ext4_hash_in_dirent(dir)) {
+ if (root->info.hash_version != DX_HASH_SIPHASH) {
+ ext4_warning_inode(dir,
+ "Hash in dirent, but hash is not SIPHASH");
+ goto fail;
+ }
+ } else {
+ if (root->info.hash_version == DX_HASH_SIPHASH) {
+ ext4_warning_inode(dir,
+ "Hash code is SIPHASH, but hash not in dirent");
+ goto fail;
+ }
+ }
if (fname)
hinfo = &fname->hinfo;
hinfo->hash_version = root->info.hash_version;
if (hinfo->hash_version <= DX_HASH_TEA)
hinfo->hash_version += EXT4_SB(dir->i_sb)->s_hash_unsigned;
hinfo->seed = EXT4_SB(dir->i_sb)->s_hash_seed;
- if (fname && fname_name(fname))
+ /* hash is already computed for encrypted casefolded directory */
+ if (fname && fname_name(fname) &&
+ !(IS_ENCRYPTED(dir) && IS_CASEFOLDED(dir)))
ext4fs_dirhash(dir, fname_name(fname), fname_len(fname), hinfo);
hash = hinfo->hash;
@@ -997,6 +1014,7 @@ static int htree_dirblock_to_tree(struct file *dir_file,
struct ext4_dir_entry_2 *de, *top;
int err = 0, count = 0;
struct fscrypt_str fname_crypto_str = FSTR_INIT(NULL, 0), tmp_str;
+ int csum = ext4_has_metadata_csum(dir->i_sb);
dxtrace(printk(KERN_INFO "In htree dirblock_to_tree: block %lu\n",
(unsigned long)block));
@@ -1005,12 +1023,14 @@ static int htree_dirblock_to_tree(struct file *dir_file,
return PTR_ERR(bh);
de = (struct ext4_dir_entry_2 *) bh->b_data;
+ /* csum entries are not larger in the casefolded encrypted case */
top = (struct ext4_dir_entry_2 *) ((char *) de +
dir->i_sb->s_blocksize -
- EXT4_DIR_REC_LEN(0));
+ ext4_dir_rec_len(0,
+ csum ? NULL : dir));
/* Check if the directory is encrypted */
if (IS_ENCRYPTED(dir)) {
- err = fscrypt_get_encryption_info(dir);
+ err = fscrypt_prepare_readdir(dir);
if (err < 0) {
brelse(bh);
return err;
@@ -1025,13 +1045,23 @@ static int htree_dirblock_to_tree(struct file *dir_file,
for (; de < top; de = ext4_next_entry(de, dir->i_sb->s_blocksize)) {
if (ext4_check_dir_entry(dir, NULL, de, bh,
- bh->b_data, bh->b_size,
+ bh->b_data, bh->b_size, block,
(block<<EXT4_BLOCK_SIZE_BITS(dir->i_sb))
+ ((char *)de - bh->b_data))) {
/* silently ignore the rest of the block */
break;
}
- ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+ if (ext4_hash_in_dirent(dir)) {
+ if (de->name_len && de->inode) {
+ hinfo->hash = EXT4_DIRENT_HASH(de);
+ hinfo->minor_hash = EXT4_DIRENT_MINOR_HASH(de);
+ } else {
+ hinfo->hash = 0;
+ hinfo->minor_hash = 0;
+ }
+ } else {
+ ext4fs_dirhash(dir, de->name, de->name_len, hinfo);
+ }
if ((hinfo->hash < start_hash) ||
((hinfo->hash == start_hash) &&
(hinfo->minor_hash < start_minor_hash)))
@@ -1100,7 +1130,11 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
start_hash, start_minor_hash));
dir = file_inode(dir_file);
if (!(ext4_test_inode_flag(dir, EXT4_INODE_INDEX))) {
- hinfo.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
+ if (ext4_hash_in_dirent(dir))
+ hinfo.hash_version = DX_HASH_SIPHASH;
+ else
+ hinfo.hash_version =
+ EXT4_SB(dir->i_sb)->s_def_hash_version;
if (hinfo.hash_version <= DX_HASH_TEA)
hinfo.hash_version +=
EXT4_SB(dir->i_sb)->s_hash_unsigned;
@@ -1193,11 +1227,12 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
static inline int search_dirblock(struct buffer_head *bh,
struct inode *dir,
struct ext4_filename *fname,
+ ext4_lblk_t lblk,
unsigned int offset,
struct ext4_dir_entry_2 **res_dir)
{
return ext4_search_dir(bh, bh->b_data, dir->i_sb->s_blocksize, dir,
- fname, offset, res_dir);
+ fname, lblk, offset, res_dir);
}
/*
@@ -1218,7 +1253,10 @@ static int dx_make_map(struct inode *dir, struct ext4_dir_entry_2 *de,
while ((char *) de < base + blocksize) {
if (de->name_len && de->inode) {
- ext4fs_dirhash(dir, de->name, de->name_len, &h);
+ if (ext4_hash_in_dirent(dir))
+ h.hash = EXT4_DIRENT_HASH(de);
+ else
+ ext4fs_dirhash(dir, de->name, de->name_len, &h);
map_tail--;
map_tail->hash = h.hash;
map_tail->offs = ((char *) de - base)>>2;
@@ -1282,47 +1320,66 @@ static void dx_insert_block(struct dx_frame *frame, u32 hash, ext4_lblk_t block)
* Returns: 0 if the directory entry matches, more than 0 if it
* doesn't match or less than zero on error.
*/
-int ext4_ci_compare(const struct inode *parent, const struct qstr *name,
- const struct qstr *entry, bool quick)
+static int ext4_ci_compare(const struct inode *parent, const struct qstr *name,
+ u8 *de_name, size_t de_name_len, bool quick)
{
const struct super_block *sb = parent->i_sb;
const struct unicode_map *um = sb->s_encoding;
+ struct fscrypt_str decrypted_name = FSTR_INIT(NULL, de_name_len);
+ struct qstr entry = QSTR_INIT(de_name, de_name_len);
int ret;
- if (quick)
- ret = utf8_strncasecmp_folded(um, name, entry);
- else
- ret = utf8_strncasecmp(um, name, entry);
+ if (IS_ENCRYPTED(parent)) {
+ const struct fscrypt_str encrypted_name =
+ FSTR_INIT(de_name, de_name_len);
+ decrypted_name.name = kmalloc(de_name_len, GFP_KERNEL);
+ if (!decrypted_name.name)
+ return -ENOMEM;
+ ret = fscrypt_fname_disk_to_usr(parent, 0, 0, &encrypted_name,
+ &decrypted_name);
+ if (ret < 0)
+ goto out;
+ entry.name = decrypted_name.name;
+ entry.len = decrypted_name.len;
+ }
+
+ if (quick)
+ ret = utf8_strncasecmp_folded(um, name, &entry);
+ else
+ ret = utf8_strncasecmp(um, name, &entry);
if (ret < 0) {
/* Handle invalid character sequence as either an error
* or as an opaque byte sequence.
*/
if (sb_has_strict_encoding(sb))
- return -EINVAL;
-
- if (name->len != entry->len)
- return 1;
-
- return !!memcmp(name->name, entry->name, name->len);
+ ret = -EINVAL;
+ else if (name->len != entry.len)
+ ret = 1;
+ else
+ ret = !!memcmp(name->name, entry.name, entry.len);
}
-
+out:
+ kfree(decrypted_name.name);
return ret;
}
-void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
- struct fscrypt_str *cf_name)
+int ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
+ struct ext4_filename *name)
{
+ struct fscrypt_str *cf_name = &name->cf_name;
+ struct dx_hash_info *hinfo = &name->hinfo;
int len;
- if (!IS_CASEFOLDED(dir) || !dir->i_sb->s_encoding) {
+ if (!IS_CASEFOLDED(dir) || !dir->i_sb->s_encoding ||
+ (IS_ENCRYPTED(dir) && !fscrypt_has_encryption_key(dir))) {
cf_name->name = NULL;
- return;
+ return 0;
}
cf_name->name = kmalloc(EXT4_NAME_LEN, GFP_NOFS);
if (!cf_name->name)
- return;
+ return -ENOMEM;
len = utf8_casefold(dir->i_sb->s_encoding,
iname, cf_name->name,
@@ -1330,10 +1387,18 @@ void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
if (len <= 0) {
kfree(cf_name->name);
cf_name->name = NULL;
- return;
}
cf_name->len = (unsigned) len;
+ if (!IS_ENCRYPTED(dir))
+ return 0;
+ hinfo->hash_version = DX_HASH_SIPHASH;
+ hinfo->seed = NULL;
+ if (cf_name->name)
+ ext4fs_dirhash(dir, cf_name->name, cf_name->len, hinfo);
+ else
+ ext4fs_dirhash(dir, iname->name, iname->len, hinfo);
+ return 0;
}
#endif
@@ -1342,14 +1407,11 @@ void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname,
*
* Return: %true if the directory entry matches, otherwise %false.
*/
-static inline bool ext4_match(const struct inode *parent,
+static bool ext4_match(struct inode *parent,
const struct ext4_filename *fname,
- const struct ext4_dir_entry_2 *de)
+ struct ext4_dir_entry_2 *de)
{
struct fscrypt_name f;
-#ifdef CONFIG_UNICODE
- const struct qstr entry = {.name = de->name, .len = de->name_len};
-#endif
if (!de->inode)
return false;
@@ -1361,14 +1423,24 @@ static inline bool ext4_match(const struct inode *parent,
#endif
#ifdef CONFIG_UNICODE
- if (parent->i_sb->s_encoding && IS_CASEFOLDED(parent)) {
+ if (parent->i_sb->s_encoding && IS_CASEFOLDED(parent) &&
+ (!IS_ENCRYPTED(parent) || fscrypt_has_encryption_key(parent))) {
if (fname->cf_name.name) {
struct qstr cf = {.name = fname->cf_name.name,
.len = fname->cf_name.len};
- return !ext4_ci_compare(parent, &cf, &entry, true);
+ if (IS_ENCRYPTED(parent)) {
+ if (fname->hinfo.hash != EXT4_DIRENT_HASH(de) ||
+ fname->hinfo.minor_hash !=
+ EXT4_DIRENT_MINOR_HASH(de)) {
+
+ return 0;
+ }
+ }
+ return !ext4_ci_compare(parent, &cf, de->name,
+ de->name_len, true);
}
- return !ext4_ci_compare(parent, fname->usr_fname, &entry,
- false);
+ return !ext4_ci_compare(parent, fname->usr_fname, de->name,
+ de->name_len, false);
}
#endif
@@ -1380,7 +1452,8 @@ static inline bool ext4_match(const struct inode *parent,
*/
int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size,
struct inode *dir, struct ext4_filename *fname,
- unsigned int offset, struct ext4_dir_entry_2 **res_dir)
+ ext4_lblk_t lblk, unsigned int offset,
+ struct ext4_dir_entry_2 **res_dir)
{
struct ext4_dir_entry_2 * de;
char * dlimit;
@@ -1396,7 +1469,7 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size,
/* found a match - just to be sure, do
* a full check */
if (ext4_check_dir_entry(dir, NULL, de, bh, search_buf,
- buf_size, offset))
+ buf_size, lblk, offset))
return -1;
*res_dir = de;
return 1;
@@ -1442,7 +1515,7 @@ static int is_dx_internal_node(struct inode *dir, ext4_lblk_t block,
static struct buffer_head *__ext4_find_entry(struct inode *dir,
struct ext4_filename *fname,
struct ext4_dir_entry_2 **res_dir,
- int *inlined)
+ int *inlined, ext4_lblk_t *lblk)
{
struct super_block *sb;
struct buffer_head *bh_use[NAMEI_RA_SIZE];
@@ -1466,6 +1539,8 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir,
int has_inline_data = 1;
ret = ext4_find_inline_entry(dir, fname, res_dir,
&has_inline_data);
+ if (lblk)
+ *lblk = 0;
if (has_inline_data) {
if (inlined)
*inlined = 1;
@@ -1484,7 +1559,7 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir,
goto restart;
}
if (is_dx(dir)) {
- ret = ext4_dx_find_entry(dir, fname, res_dir);
+ ret = ext4_dx_find_entry(dir, fname, res_dir, lblk);
/*
* On success, or if the error was file not found,
* return. Otherwise, fall back to doing a search the
@@ -1550,9 +1625,11 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir,
goto cleanup_and_exit;
}
set_buffer_verified(bh);
- i = search_dirblock(bh, dir, fname,
+ i = search_dirblock(bh, dir, fname, block,
block << EXT4_BLOCK_SIZE_BITS(sb), res_dir);
if (i == 1) {
+ if (lblk)
+ *lblk = block;
EXT4_I(dir)->i_dir_start_lookup = block;
ret = bh;
goto cleanup_and_exit;
@@ -1587,7 +1664,7 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir,
static struct buffer_head *ext4_find_entry(struct inode *dir,
const struct qstr *d_name,
struct ext4_dir_entry_2 **res_dir,
- int *inlined)
+ int *inlined, ext4_lblk_t *lblk)
{
int err;
struct ext4_filename fname;
@@ -1599,7 +1676,7 @@ static struct buffer_head *ext4_find_entry(struct inode *dir,
if (err)
return ERR_PTR(err);
- bh = __ext4_find_entry(dir, &fname, res_dir, inlined);
+ bh = __ext4_find_entry(dir, &fname, res_dir, inlined, lblk);
ext4_fname_free_filename(&fname);
return bh;
@@ -1614,12 +1691,13 @@ static struct buffer_head *ext4_lookup_entry(struct inode *dir,
struct buffer_head *bh;
err = ext4_fname_prepare_lookup(dir, dentry, &fname);
+ generic_set_encrypted_ci_d_ops(dentry);
if (err == -ENOENT)
return NULL;
if (err)
return ERR_PTR(err);
- bh = __ext4_find_entry(dir, &fname, res_dir, NULL);
+ bh = __ext4_find_entry(dir, &fname, res_dir, NULL, NULL);
ext4_fname_free_filename(&fname);
return bh;
@@ -1627,7 +1705,7 @@ static struct buffer_head *ext4_lookup_entry(struct inode *dir,
static struct buffer_head * ext4_dx_find_entry(struct inode *dir,
struct ext4_filename *fname,
- struct ext4_dir_entry_2 **res_dir)
+ struct ext4_dir_entry_2 **res_dir, ext4_lblk_t *lblk)
{
struct super_block * sb = dir->i_sb;
struct dx_frame frames[EXT4_HTREE_LEVEL], *frame;
@@ -1643,11 +1721,13 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir,
return (struct buffer_head *) frame;
do {
block = dx_get_block(frame->at);
+ if (lblk)
+ *lblk = block;
bh = ext4_read_dirblock(dir, block, DIRENT_HTREE);
if (IS_ERR(bh))
goto errout;
- retval = search_dirblock(bh, dir, fname,
+ retval = search_dirblock(bh, dir, fname, block,
block << EXT4_BLOCK_SIZE_BITS(sb),
res_dir);
if (retval == 1)
@@ -1742,7 +1822,7 @@ struct dentry *ext4_get_parent(struct dentry *child)
struct ext4_dir_entry_2 * de;
struct buffer_head *bh;
- bh = ext4_find_entry(d_inode(child), &dotdot, &de, NULL);
+ bh = ext4_find_entry(d_inode(child), &dotdot, &de, NULL, NULL);
if (IS_ERR(bh))
return ERR_CAST(bh);
if (!bh)
@@ -1764,7 +1844,8 @@ struct dentry *ext4_get_parent(struct dentry *child)
* Returns pointer to last entry moved.
*/
static struct ext4_dir_entry_2 *
-dx_move_dirents(char *from, char *to, struct dx_map_entry *map, int count,
+dx_move_dirents(struct inode *dir, char *from, char *to,
+ struct dx_map_entry *map, int count,
unsigned blocksize)
{
unsigned rec_len = 0;
@@ -1772,7 +1853,8 @@ dx_move_dirents(char *from, char *to, struct dx_map_entry *map, int count,
while (count--) {
struct ext4_dir_entry_2 *de = (struct ext4_dir_entry_2 *)
(from + (map->offs<<2));
- rec_len = EXT4_DIR_REC_LEN(de->name_len);
+ rec_len = ext4_dir_rec_len(de->name_len, dir);
+
memcpy (to, de, rec_len);
((struct ext4_dir_entry_2 *) to)->rec_len =
ext4_rec_len_to_disk(rec_len, blocksize);
@@ -1787,7 +1869,8 @@ dx_move_dirents(char *from, char *to, struct dx_map_entry *map, int count,
* Compact each dir entry in the range to the minimal rec_len.
* Returns pointer to last entry in range.
*/
-static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize)
+static struct ext4_dir_entry_2 *dx_pack_dirents(struct inode *dir, char *base,
+ unsigned int blocksize)
{
struct ext4_dir_entry_2 *next, *to, *prev, *de = (struct ext4_dir_entry_2 *) base;
unsigned rec_len = 0;
@@ -1796,7 +1879,7 @@ static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize)
while ((char*)de < base + blocksize) {
next = ext4_next_entry(de, blocksize);
if (de->inode && de->name_len) {
- rec_len = EXT4_DIR_REC_LEN(de->name_len);
+ rec_len = ext4_dir_rec_len(de->name_len, dir);
if (de > to)
memmove(to, de, rec_len);
to->rec_len = ext4_rec_len_to_disk(rec_len, blocksize);
@@ -1814,13 +1897,12 @@ static struct ext4_dir_entry_2* dx_pack_dirents(char *base, unsigned blocksize)
* Returns pointer to de in block into which the new entry will be inserted.
*/
static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
- struct buffer_head **bh,struct dx_frame *frame,
- struct dx_hash_info *hinfo)
+ struct buffer_head **bh, struct dx_frame *frame,
+ struct dx_hash_info *hinfo, ext4_lblk_t *newblock)
{
unsigned blocksize = dir->i_sb->s_blocksize;
unsigned count, continued;
struct buffer_head *bh2;
- ext4_lblk_t newblock;
u32 hash2;
struct dx_map_entry *map;
char *data1 = (*bh)->b_data, *data2;
@@ -1832,7 +1914,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
if (ext4_has_metadata_csum(dir->i_sb))
csum_size = sizeof(struct ext4_dir_entry_tail);
- bh2 = ext4_append(handle, dir, &newblock);
+ bh2 = ext4_append(handle, dir, newblock);
if (IS_ERR(bh2)) {
brelse(*bh);
*bh = NULL;
@@ -1886,9 +1968,9 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
hash2, split, count-split));
/* Fancy dance to stay within two buffers */
- de2 = dx_move_dirents(data1, data2, map + split, count - split,
+ de2 = dx_move_dirents(dir, data1, data2, map + split, count - split,
blocksize);
- de = dx_pack_dirents(data1, blocksize);
+ de = dx_pack_dirents(dir, data1, blocksize);
de->rec_len = ext4_rec_len_to_disk(data1 + (blocksize - csum_size) -
(char *) de,
blocksize);
@@ -1910,7 +1992,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
swap(*bh, bh2);
de = de2;
}
- dx_insert_block(frame, hash2 + continued, newblock);
+ dx_insert_block(frame, hash2 + continued, *newblock);
err = ext4_handle_dirty_dirblock(handle, dir, bh2);
if (err)
goto journal_error;
@@ -1930,13 +2012,14 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
}
int ext4_find_dest_de(struct inode *dir, struct inode *inode,
+ ext4_lblk_t lblk,
struct buffer_head *bh,
void *buf, int buf_size,
struct ext4_filename *fname,
struct ext4_dir_entry_2 **dest_de)
{
struct ext4_dir_entry_2 *de;
- unsigned short reclen = EXT4_DIR_REC_LEN(fname_len(fname));
+ unsigned short reclen = ext4_dir_rec_len(fname_len(fname), dir);
int nlen, rlen;
unsigned int offset = 0;
char *top;
@@ -1945,11 +2028,11 @@ int ext4_find_dest_de(struct inode *dir, struct inode *inode,
top = buf + buf_size - reclen;
while ((char *) de <= top) {
if (ext4_check_dir_entry(dir, NULL, de, bh,
- buf, buf_size, offset))
+ buf, buf_size, lblk, offset))
return -EFSCORRUPTED;
if (ext4_match(dir, fname, de))
return -EEXIST;
- nlen = EXT4_DIR_REC_LEN(de->name_len);
+ nlen = ext4_dir_rec_len(de->name_len, dir);
rlen = ext4_rec_len_from_disk(de->rec_len, buf_size);
if ((de->inode ? rlen - nlen : rlen) >= reclen)
break;
@@ -1963,7 +2046,8 @@ int ext4_find_dest_de(struct inode *dir, struct inode *inode,
return 0;
}
-void ext4_insert_dentry(struct inode *inode,
+void ext4_insert_dentry(struct inode *dir,
+ struct inode *inode,
struct ext4_dir_entry_2 *de,
int buf_size,
struct ext4_filename *fname)
@@ -1971,7 +2055,7 @@ void ext4_insert_dentry(struct inode *inode,
int nlen, rlen;
- nlen = EXT4_DIR_REC_LEN(de->name_len);
+ nlen = ext4_dir_rec_len(de->name_len, dir);
rlen = ext4_rec_len_from_disk(de->rec_len, buf_size);
if (de->inode) {
struct ext4_dir_entry_2 *de1 =
@@ -1985,6 +2069,13 @@ void ext4_insert_dentry(struct inode *inode,
ext4_set_de_type(inode->i_sb, de, inode->i_mode);
de->name_len = fname_len(fname);
memcpy(de->name, fname_name(fname), fname_len(fname));
+ if (ext4_hash_in_dirent(dir)) {
+ struct dx_hash_info *hinfo = &fname->hinfo;
+
+ EXT4_DIRENT_HASHES(de)->hash = cpu_to_le32(hinfo->hash);
+ EXT4_DIRENT_HASHES(de)->minor_hash =
+ cpu_to_le32(hinfo->minor_hash);
+ }
}
/*
@@ -1998,6 +2089,7 @@ void ext4_insert_dentry(struct inode *inode,
static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,
struct inode *dir,
struct inode *inode, struct ext4_dir_entry_2 *de,
+ ext4_lblk_t blk,
struct buffer_head *bh)
{
unsigned int blocksize = dir->i_sb->s_blocksize;
@@ -2008,7 +2100,7 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,
csum_size = sizeof(struct ext4_dir_entry_tail);
if (!de) {
- err = ext4_find_dest_de(dir, inode, bh, bh->b_data,
+ err = ext4_find_dest_de(dir, inode, blk, bh, bh->b_data,
blocksize - csum_size, fname, &de);
if (err)
return err;
@@ -2021,7 +2113,7 @@ static int add_dirent_to_buf(handle_t *handle, struct ext4_filename *fname,
}
/* By now the buffer is marked for journaling */
- ext4_insert_dentry(inode, de, blocksize, fname);
+ ext4_insert_dentry(dir, inode, de, blocksize, fname);
/*
* XXX shouldn't update any times until successful
@@ -2113,11 +2205,16 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname,
/* Initialize the root; the dot dirents already exist */
de = (struct ext4_dir_entry_2 *) (&root->dotdot);
- de->rec_len = ext4_rec_len_to_disk(blocksize - EXT4_DIR_REC_LEN(2),
- blocksize);
+ de->rec_len = ext4_rec_len_to_disk(
+ blocksize - ext4_dir_rec_len(2, NULL), blocksize);
memset (&root->info, 0, sizeof(root->info));
root->info.info_length = sizeof(root->info);
- root->info.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
+ if (ext4_hash_in_dirent(dir))
+ root->info.hash_version = DX_HASH_SIPHASH;
+ else
+ root->info.hash_version =
+ EXT4_SB(dir->i_sb)->s_def_hash_version;
+
entries = root->entries;
dx_set_block(entries, 1);
dx_set_count(entries, 1);
@@ -2128,7 +2225,11 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname,
if (fname->hinfo.hash_version <= DX_HASH_TEA)
fname->hinfo.hash_version += EXT4_SB(dir->i_sb)->s_hash_unsigned;
fname->hinfo.seed = EXT4_SB(dir->i_sb)->s_hash_seed;
- ext4fs_dirhash(dir, fname_name(fname), fname_len(fname), &fname->hinfo);
+
+ /* casefolded encrypted hashes are computed on fname setup */
+ if (!ext4_hash_in_dirent(dir))
+ ext4fs_dirhash(dir, fname_name(fname),
+ fname_len(fname), &fname->hinfo);
memset(frames, 0, sizeof(frames));
frame = frames;
@@ -2143,13 +2244,13 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname,
if (retval)
goto out_frames;
- de = do_split(handle,dir, &bh2, frame, &fname->hinfo);
+ de = do_split(handle, dir, &bh2, frame, &fname->hinfo, &block);
if (IS_ERR(de)) {
retval = PTR_ERR(de);
goto out_frames;
}
- retval = add_dirent_to_buf(handle, fname, dir, inode, de, bh2);
+ retval = add_dirent_to_buf(handle, fname, dir, inode, de, block, bh2);
out_frames:
/*
* Even if the block split failed, we have to properly write
@@ -2249,7 +2350,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
goto out;
}
retval = add_dirent_to_buf(handle, &fname, dir, inode,
- NULL, bh);
+ NULL, block, bh);
if (retval != -ENOSPC)
goto out;
@@ -2276,7 +2377,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
if (csum_size)
ext4_initialize_dirent_tail(bh, blocksize);
- retval = add_dirent_to_buf(handle, &fname, dir, inode, de, bh);
+ retval = add_dirent_to_buf(handle, &fname, dir, inode, de, block, bh);
out:
ext4_fname_free_filename(&fname);
brelse(bh);
@@ -2298,6 +2399,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
struct ext4_dir_entry_2 *de;
int restart;
int err;
+ ext4_lblk_t lblk;
again:
restart = 0;
@@ -2306,7 +2408,8 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
return PTR_ERR(frame);
entries = frame->entries;
at = frame->at;
- bh = ext4_read_dirblock(dir, dx_get_block(frame->at), DIRENT_HTREE);
+ lblk = dx_get_block(frame->at);
+ bh = ext4_read_dirblock(dir, lblk, DIRENT_HTREE);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
bh = NULL;
@@ -2318,7 +2421,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
if (err)
goto journal_error;
- err = add_dirent_to_buf(handle, fname, dir, inode, NULL, bh);
+ err = add_dirent_to_buf(handle, fname, dir, inode, NULL, lblk, bh);
if (err != -ENOSPC)
goto cleanup;
@@ -2437,12 +2540,12 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
goto journal_error;
}
}
- de = do_split(handle, dir, &bh, frame, &fname->hinfo);
+ de = do_split(handle, dir, &bh, frame, &fname->hinfo, &lblk);
if (IS_ERR(de)) {
err = PTR_ERR(de);
goto cleanup;
}
- err = add_dirent_to_buf(handle, fname, dir, inode, de, bh);
+ err = add_dirent_to_buf(handle, fname, dir, inode, de, lblk, bh);
goto cleanup;
journal_error:
@@ -2464,6 +2567,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct ext4_filename *fname,
*/
int ext4_generic_delete_entry(struct inode *dir,
struct ext4_dir_entry_2 *de_del,
+ ext4_lblk_t lblk,
struct buffer_head *bh,
void *entry_buf,
int buf_size,
@@ -2478,7 +2582,7 @@ int ext4_generic_delete_entry(struct inode *dir,
de = (struct ext4_dir_entry_2 *)entry_buf;
while (i < buf_size - csum_size) {
if (ext4_check_dir_entry(dir, NULL, de, bh,
- entry_buf, buf_size, i))
+ entry_buf, buf_size, lblk, i))
return -EFSCORRUPTED;
if (de == de_del) {
if (pde)
@@ -2503,6 +2607,7 @@ int ext4_generic_delete_entry(struct inode *dir,
static int ext4_delete_entry(handle_t *handle,
struct inode *dir,
struct ext4_dir_entry_2 *de_del,
+ ext4_lblk_t lblk,
struct buffer_head *bh)
{
int err, csum_size = 0;
@@ -2523,7 +2628,7 @@ static int ext4_delete_entry(handle_t *handle,
if (unlikely(err))
goto out;
- err = ext4_generic_delete_entry(dir, de_del, bh, bh->b_data,
+ err = ext4_generic_delete_entry(dir, de_del, lblk, bh, bh->b_data,
dir->i_sb->s_blocksize, csum_size);
if (err)
goto out;
@@ -2720,7 +2825,7 @@ struct ext4_dir_entry_2 *ext4_init_dot_dotdot(struct inode *inode,
{
de->inode = cpu_to_le32(inode->i_ino);
de->name_len = 1;
- de->rec_len = ext4_rec_len_to_disk(EXT4_DIR_REC_LEN(de->name_len),
+ de->rec_len = ext4_rec_len_to_disk(ext4_dir_rec_len(de->name_len, NULL),
blocksize);
strcpy(de->name, ".");
ext4_set_de_type(inode->i_sb, de, S_IFDIR);
@@ -2730,11 +2835,12 @@ struct ext4_dir_entry_2 *ext4_init_dot_dotdot(struct inode *inode,
de->name_len = 2;
if (!dotdot_real_len)
de->rec_len = ext4_rec_len_to_disk(blocksize -
- (csum_size + EXT4_DIR_REC_LEN(1)),
+ (csum_size + ext4_dir_rec_len(1, NULL)),
blocksize);
else
de->rec_len = ext4_rec_len_to_disk(
- EXT4_DIR_REC_LEN(de->name_len), blocksize);
+ ext4_dir_rec_len(de->name_len, NULL),
+ blocksize);
strcpy(de->name, "..");
ext4_set_de_type(inode->i_sb, de, S_IFDIR);
@@ -2866,7 +2972,8 @@ bool ext4_empty_dir(struct inode *inode)
}
sb = inode->i_sb;
- if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2)) {
+ if (inode->i_size < ext4_dir_rec_len(1, NULL) +
+ ext4_dir_rec_len(2, NULL)) {
EXT4_ERROR_INODE(inode, "invalid size");
return true;
}
@@ -2878,7 +2985,7 @@ bool ext4_empty_dir(struct inode *inode)
return true;
de = (struct ext4_dir_entry_2 *) bh->b_data;
- if (ext4_check_dir_entry(inode, NULL, de, bh, bh->b_data, bh->b_size,
+ if (ext4_check_dir_entry(inode, NULL, de, bh, bh->b_data, bh->b_size, 0,
0) ||
le32_to_cpu(de->inode) != inode->i_ino || strcmp(".", de->name)) {
ext4_warning_inode(inode, "directory missing '.'");
@@ -2887,7 +2994,7 @@ bool ext4_empty_dir(struct inode *inode)
}
offset = ext4_rec_len_from_disk(de->rec_len, sb->s_blocksize);
de = ext4_next_entry(de, sb->s_blocksize);
- if (ext4_check_dir_entry(inode, NULL, de, bh, bh->b_data, bh->b_size,
+ if (ext4_check_dir_entry(inode, NULL, de, bh, bh->b_data, bh->b_size, 0,
offset) ||
le32_to_cpu(de->inode) == 0 || strcmp("..", de->name)) {
ext4_warning_inode(inode, "directory missing '..'");
@@ -2911,7 +3018,7 @@ bool ext4_empty_dir(struct inode *inode)
de = (struct ext4_dir_entry_2 *) (bh->b_data +
(offset & (sb->s_blocksize - 1)));
if (ext4_check_dir_entry(inode, NULL, de, bh,
- bh->b_data, bh->b_size, offset)) {
+ bh->b_data, bh->b_size, 0, offset)) {
offset = (offset | (sb->s_blocksize - 1)) + 1;
continue;
}
@@ -3106,6 +3213,8 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
struct buffer_head *bh;
struct ext4_dir_entry_2 *de;
handle_t *handle = NULL;
+ ext4_lblk_t lblk;
+
if (unlikely(ext4_forced_shutdown(EXT4_SB(dir->i_sb))))
return -EIO;
@@ -3120,7 +3229,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
return retval;
retval = -ENOENT;
- bh = ext4_find_entry(dir, &dentry->d_name, &de, NULL);
+ bh = ext4_find_entry(dir, &dentry->d_name, &de, NULL, &lblk);
if (IS_ERR(bh))
return PTR_ERR(bh);
if (!bh)
@@ -3147,7 +3256,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);
- retval = ext4_delete_entry(handle, dir, de, bh);
+ retval = ext4_delete_entry(handle, dir, de, lblk, bh);
if (retval)
goto end_rmdir;
if (!EXT4_DIR_LINK_EMPTY(inode))
@@ -3196,8 +3305,9 @@ int __ext4_unlink(handle_t *handle, struct inode *dir, const struct qstr *d_name
struct buffer_head *bh;
struct ext4_dir_entry_2 *de;
int skip_remove_dentry = 0;
+ ext4_lblk_t lblk;
- bh = ext4_find_entry(dir, d_name, &de, NULL);
+ bh = ext4_find_entry(dir, d_name, &de, NULL, &lblk);
if (IS_ERR(bh))
return PTR_ERR(bh);
@@ -3220,7 +3330,7 @@ int __ext4_unlink(handle_t *handle, struct inode *dir, const struct qstr *d_name
ext4_handle_sync(handle);
if (!skip_remove_dentry) {
- retval = ext4_delete_entry(handle, dir, de, bh);
+ retval = ext4_delete_entry(handle, dir, de, lblk, bh);
if (retval)
goto out;
dir->i_ctime = dir->i_mtime = current_time(dir);
@@ -3526,6 +3636,7 @@ struct ext4_renament {
int dir_nlink_delta;
/* entry for "dentry" */
+ ext4_lblk_t lblk;
struct buffer_head *bh;
struct ext4_dir_entry_2 *de;
int inlined;
@@ -3615,7 +3726,8 @@ static void ext4_resetent(handle_t *handle, struct ext4_renament *ent,
* so the old->de may no longer valid and need to find it again
* before reset old inode info.
*/
- old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, NULL);
+ old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, NULL,
+ NULL);
if (IS_ERR(old.bh))
retval = PTR_ERR(old.bh);
if (!old.bh)
@@ -3635,12 +3747,13 @@ static int ext4_find_delete_entry(handle_t *handle, struct inode *dir,
int retval = -ENOENT;
struct buffer_head *bh;
struct ext4_dir_entry_2 *de;
+ ext4_lblk_t lblk;
- bh = ext4_find_entry(dir, d_name, &de, NULL);
+ bh = ext4_find_entry(dir, d_name, &de, NULL, &lblk);
if (IS_ERR(bh))
return PTR_ERR(bh);
if (bh) {
- retval = ext4_delete_entry(handle, dir, de, bh);
+ retval = ext4_delete_entry(handle, dir, de, lblk, bh);
brelse(bh);
}
return retval;
@@ -3664,7 +3777,8 @@ static void ext4_rename_delete(handle_t *handle, struct ext4_renament *ent,
retval = ext4_find_delete_entry(handle, ent->dir,
&ent->dentry->d_name);
} else {
- retval = ext4_delete_entry(handle, ent->dir, ent->de, ent->bh);
+ retval = ext4_delete_entry(handle, ent->dir, ent->de,
+ ent->lblk, ent->bh);
if (retval == -ENOENT) {
retval = ext4_find_delete_entry(handle, ent->dir,
&ent->dentry->d_name);
@@ -3777,7 +3891,8 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
return retval;
}
- old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, NULL);
+ old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, NULL,
+ &old.lblk);
if (IS_ERR(old.bh))
return PTR_ERR(old.bh);
/*
@@ -3791,7 +3906,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
goto release_bh;
new.bh = ext4_find_entry(new.dir, &new.dentry->d_name,
- &new.de, &new.inlined);
+ &new.de, &new.inlined, NULL);
if (IS_ERR(new.bh)) {
retval = PTR_ERR(new.bh);
new.bh = NULL;
@@ -4004,7 +4119,7 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
return retval;
old.bh = ext4_find_entry(old.dir, &old.dentry->d_name,
- &old.de, &old.inlined);
+ &old.de, &old.inlined, NULL);
if (IS_ERR(old.bh))
return PTR_ERR(old.bh);
/*
@@ -4018,7 +4133,7 @@ static int ext4_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
goto end_rename;
new.bh = ext4_find_entry(new.dir, &new.dentry->d_name,
- &new.de, &new.inlined);
+ &new.de, &new.inlined, NULL);
if (IS_ERR(new.bh)) {
retval = PTR_ERR(new.bh);
new.bh = NULL;
diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index f014c5e..0deb256 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -46,6 +46,7 @@
#include <linux/cleancache.h>
#include "ext4.h"
+#include <trace/events/android_fs.h>
#define NUM_PREALLOC_POST_READ_CTXS 128
@@ -159,6 +160,17 @@ static bool bio_post_read_required(struct bio *bio)
return bio->bi_private && !bio->bi_status;
}
+static void
+ext4_trace_read_completion(struct bio *bio)
+{
+ struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+ if (first_page != NULL)
+ trace_android_fs_dataread_end(first_page->mapping->host,
+ page_offset(first_page),
+ bio->bi_iter.bi_size);
+}
+
/*
* I/O completion handler for multipage BIOs.
*
@@ -173,6 +185,9 @@ static bool bio_post_read_required(struct bio *bio)
*/
static void mpage_end_io(struct bio *bio)
{
+ if (trace_android_fs_dataread_start_enabled())
+ ext4_trace_read_completion(bio);
+
if (bio_post_read_required(bio)) {
struct bio_post_read_ctx *ctx = bio->bi_private;
@@ -221,6 +236,30 @@ static inline loff_t ext4_readpage_limit(struct inode *inode)
return i_size_read(inode);
}
+static void
+ext4_submit_bio_read(struct bio *bio)
+{
+ if (trace_android_fs_dataread_start_enabled()) {
+ struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+ if (first_page != NULL) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ first_page->mapping->host);
+ trace_android_fs_dataread_start(
+ first_page->mapping->host,
+ page_offset(first_page),
+ bio->bi_iter.bi_size,
+ current->pid,
+ path,
+ current->comm);
+ }
+ }
+ submit_bio(bio);
+}
+
int ext4_mpage_readpages(struct inode *inode,
struct readahead_control *rac, struct page *page)
{
@@ -363,7 +402,7 @@ int ext4_mpage_readpages(struct inode *inode,
if (bio && (last_block_in_bio != blocks[0] - 1 ||
!fscrypt_mergeable_bio(bio, inode, next_block))) {
submit_and_realloc:
- submit_bio(bio);
+ ext4_submit_bio_read(bio);
bio = NULL;
}
if (bio == NULL) {
@@ -390,14 +429,14 @@ int ext4_mpage_readpages(struct inode *inode,
if (((map.m_flags & EXT4_MAP_BOUNDARY) &&
(relative_block == map.m_len)) ||
(first_hole != blocks_per_page)) {
- submit_bio(bio);
+ ext4_submit_bio_read(bio);
bio = NULL;
} else
last_block_in_bio = blocks[blocks_per_page - 1];
goto next_page;
confused:
if (bio) {
- submit_bio(bio);
+ ext4_submit_bio_read(bio);
bio = NULL;
}
if (!PageUptodate(page))
@@ -409,7 +448,7 @@ int ext4_mpage_readpages(struct inode *inode,
put_page(page);
}
if (bio)
- submit_bio(bio);
+ ext4_submit_bio_read(bio);
return 0;
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b1af658..1b53cd6 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4304,12 +4304,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
struct unicode_map *encoding;
__u16 encoding_flags;
- if (ext4_has_feature_encrypt(sb)) {
- ext4_msg(sb, KERN_ERR,
- "Can't mount with encoding and encryption");
- goto failed_mount;
- }
-
if (ext4_sb_read_encoding(es, &encoding_info,
&encoding_flags)) {
ext4_msg(sb, KERN_ERR,
@@ -4969,11 +4963,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount4;
}
-#ifdef CONFIG_UNICODE
- if (sb->s_encoding)
- sb->s_d_op = &ext4_dentry_ops;
-#endif
-
sb->s_root = d_make_root(root);
if (!sb->s_root) {
ext4_msg(sb, KERN_ERR, "get root dentry failed");
diff --git a/fs/ext4/xattr_hurd.c b/fs/ext4/xattr_hurd.c
index 8cfa74a..b96df3b 100644
--- a/fs/ext4/xattr_hurd.c
+++ b/fs/ext4/xattr_hurd.c
@@ -21,7 +21,8 @@ ext4_xattr_hurd_list(struct dentry *dentry)
static int
ext4_xattr_hurd_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
if (!test_opt(inode->i_sb, XATTR_USER))
return -EOPNOTSUPP;
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 197a9d8..50fb713 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -15,7 +15,7 @@
static int
ext4_xattr_security_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
return ext4_xattr_get(inode, EXT4_XATTR_INDEX_SECURITY,
name, buffer, size);
diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c
index e9389e5..64bd8f8 100644
--- a/fs/ext4/xattr_trusted.c
+++ b/fs/ext4/xattr_trusted.c
@@ -22,7 +22,7 @@ ext4_xattr_trusted_list(struct dentry *dentry)
static int
ext4_xattr_trusted_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED,
name, buffer, size);
diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c
index d454618..b730137 100644
--- a/fs/ext4/xattr_user.c
+++ b/fs/ext4/xattr_user.c
@@ -21,7 +21,7 @@ ext4_xattr_user_list(struct dentry *dentry)
static int
ext4_xattr_user_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
if (!test_opt(inode->i_sb, XATTR_USER))
return -EOPNOTSUPP;
diff --git a/fs/f2fs/Kconfig b/fs/f2fs/Kconfig
index d13c5c6..7669de7 100644
--- a/fs/f2fs/Kconfig
+++ b/fs/f2fs/Kconfig
@@ -7,6 +7,13 @@
select CRYPTO_CRC32
select F2FS_FS_XATTR if FS_ENCRYPTION
select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
+ select LZ4_COMPRESS if F2FS_FS_LZ4
+ select LZ4_DECOMPRESS if F2FS_FS_LZ4
+ select LZ4HC_COMPRESS if F2FS_FS_LZ4HC
+ select LZO_COMPRESS if F2FS_FS_LZO
+ select LZO_DECOMPRESS if F2FS_FS_LZO
+ select ZSTD_COMPRESS if F2FS_FS_ZSTD
+ select ZSTD_DECOMPRESS if F2FS_FS_ZSTD
help
F2FS is based on Log-structured File System (LFS), which supports
versatile "flash-friendly" features. The design has been focused on
@@ -76,16 +83,6 @@
If you want to improve the performance, say N.
-config F2FS_IO_TRACE
- bool "F2FS IO tracer"
- depends on F2FS_FS
- depends on FUNCTION_TRACER
- help
- F2FS IO trace is based on a function trace, which gathers process
- information and block IO patterns in the filesystem level.
-
- If unsure, say N.
-
config F2FS_FAULT_INJECTION
bool "F2FS fault injection facility"
depends on F2FS_FS
@@ -104,8 +101,6 @@
config F2FS_FS_LZO
bool "LZO compression support"
depends on F2FS_FS_COMPRESSION
- select LZO_COMPRESS
- select LZO_DECOMPRESS
default y
help
Support LZO compress algorithm, if unsure, say Y.
@@ -113,17 +108,22 @@
config F2FS_FS_LZ4
bool "LZ4 compression support"
depends on F2FS_FS_COMPRESSION
- select LZ4_COMPRESS
- select LZ4_DECOMPRESS
default y
help
Support LZ4 compress algorithm, if unsure, say Y.
+config F2FS_FS_LZ4HC
+ bool "LZ4HC compression support"
+ depends on F2FS_FS_COMPRESSION
+ depends on F2FS_FS_LZ4
+ default y
+ help
+ Support LZ4HC compress algorithm, LZ4HC has compatible on-disk
+ layout with LZ4, if unsure, say Y.
+
config F2FS_FS_ZSTD
bool "ZSTD compression support"
depends on F2FS_FS_COMPRESSION
- select ZSTD_COMPRESS
- select ZSTD_DECOMPRESS
default y
help
Support ZSTD compress algorithm, if unsure, say Y.
@@ -132,8 +132,6 @@
bool "LZO-RLE compression support"
depends on F2FS_FS_COMPRESSION
depends on F2FS_FS_LZO
- select LZO_COMPRESS
- select LZO_DECOMPRESS
default y
help
Support LZO-RLE compress algorithm, if unsure, say Y.
diff --git a/fs/f2fs/Makefile b/fs/f2fs/Makefile
index ee7316b..e529574 100644
--- a/fs/f2fs/Makefile
+++ b/fs/f2fs/Makefile
@@ -7,6 +7,5 @@
f2fs-$(CONFIG_F2FS_STAT_FS) += debug.o
f2fs-$(CONFIG_F2FS_FS_XATTR) += xattr.o
f2fs-$(CONFIG_F2FS_FS_POSIX_ACL) += acl.o
-f2fs-$(CONFIG_F2FS_IO_TRACE) += trace.o
f2fs-$(CONFIG_FS_VERITY) += verity.o
f2fs-$(CONFIG_F2FS_FS_COMPRESSION) += compress.o
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 3064135..b21b98f 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -29,6 +29,7 @@ static inline size_t f2fs_acl_size(int count)
static inline int f2fs_acl_count(size_t size)
{
ssize_t s;
+
size -= sizeof(struct f2fs_acl_header);
s = size - 4 * sizeof(struct f2fs_acl_entry_short);
if (s < 0) {
@@ -200,6 +201,27 @@ struct posix_acl *f2fs_get_acl(struct inode *inode, int type)
return __f2fs_get_acl(inode, type, NULL);
}
+static int f2fs_acl_update_mode(struct inode *inode, umode_t *mode_p,
+ struct posix_acl **acl)
+{
+ umode_t mode = inode->i_mode;
+ int error;
+
+ if (is_inode_flag_set(inode, FI_ACL_MODE))
+ mode = F2FS_I(inode)->i_acl_mode;
+
+ error = posix_acl_equiv_mode(*acl, &mode);
+ if (error < 0)
+ return error;
+ if (error == 0)
+ *acl = NULL;
+ if (!in_group_p(inode->i_gid) &&
+ !capable_wrt_inode_uidgid(inode, CAP_FSETID))
+ mode &= ~S_ISGID;
+ *mode_p = mode;
+ return 0;
+}
+
static int __f2fs_set_acl(struct inode *inode, int type,
struct posix_acl *acl, struct page *ipage)
{
@@ -213,7 +235,7 @@ static int __f2fs_set_acl(struct inode *inode, int type,
case ACL_TYPE_ACCESS:
name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl && !ipage) {
- error = posix_acl_update_mode(inode, &mode, &acl);
+ error = f2fs_acl_update_mode(inode, &mode, &acl);
if (error)
return error;
set_acl_inode(inode, mode);
@@ -384,7 +406,7 @@ int f2fs_init_acl(struct inode *inode, struct inode *dir, struct page *ipage,
struct page *dpage)
{
struct posix_acl *default_acl = NULL, *acl = NULL;
- int error = 0;
+ int error;
error = f2fs_acl_create(dir, &inode->i_mode, &default_acl, &acl, dpage);
if (error)
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index b39bf41..23d36de 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -13,13 +13,15 @@
#include <linux/f2fs_fs.h>
#include <linux/pagevec.h>
#include <linux/swap.h>
+#include <linux/kthread.h>
#include "f2fs.h"
#include "node.h"
#include "segment.h"
-#include "trace.h"
#include <trace/events/f2fs.h>
+#define DEFAULT_CHECKPOINT_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3))
+
static struct kmem_cache *ino_entry_slab;
struct kmem_cache *f2fs_inode_entry_slab;
@@ -37,7 +39,7 @@ void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io)
struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
{
struct address_space *mapping = META_MAPPING(sbi);
- struct page *page = NULL;
+ struct page *page;
repeat:
page = f2fs_grab_cache_page(mapping, index, false);
if (!page) {
@@ -348,13 +350,13 @@ static int f2fs_write_meta_pages(struct address_space *mapping,
goto skip_write;
/* if locked failed, cp will flush dirty pages instead */
- if (!mutex_trylock(&sbi->cp_mutex))
+ if (!down_write_trylock(&sbi->cp_global_sem))
goto skip_write;
trace_f2fs_writepages(mapping->host, wbc, META);
diff = nr_pages_to_write(sbi, META, wbc);
written = f2fs_sync_meta_pages(sbi, META, wbc->nr_to_write, FS_META_IO);
- mutex_unlock(&sbi->cp_mutex);
+ up_write(&sbi->cp_global_sem);
wbc->nr_to_write = max((long)0, wbc->nr_to_write - written - diff);
return 0;
@@ -442,8 +444,7 @@ static int f2fs_set_meta_page_dirty(struct page *page)
if (!PageDirty(page)) {
__set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_META);
- f2fs_set_page_private(page, 0);
- f2fs_trace_pid(page);
+ set_page_private_reference(page);
return 1;
}
return 0;
@@ -718,6 +719,7 @@ int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi)
orphan_blk = (struct f2fs_orphan_block *)page_address(page);
for (j = 0; j < le32_to_cpu(orphan_blk->entry_count); j++) {
nid_t ino = le32_to_cpu(orphan_blk->ino[j]);
+
err = recover_orphan_inode(sbi, ino);
if (err) {
f2fs_put_page(page, 1);
@@ -1016,8 +1018,7 @@ void f2fs_update_dirty_page(struct inode *inode, struct page *page)
inode_inc_dirty_pages(inode);
spin_unlock(&sbi->inode_lock[type]);
- f2fs_set_page_private(page, 0);
- f2fs_trace_pid(page);
+ set_page_private_reference(page);
}
void f2fs_remove_dirty_inode(struct inode *inode)
@@ -1385,6 +1386,26 @@ static void commit_checkpoint(struct f2fs_sb_info *sbi,
f2fs_submit_merged_write(sbi, META_FLUSH);
}
+static inline u64 get_sectors_written(struct block_device *bdev)
+{
+ return (u64)part_stat_read(bdev->bd_part, sectors[STAT_WRITE]);
+}
+
+u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi)
+{
+ if (f2fs_is_multi_device(sbi)) {
+ u64 sectors = 0;
+ int i;
+
+ for (i = 0; i < sbi->s_ndevs; i++)
+ sectors += get_sectors_written(FDEV(i).bdev);
+
+ return sectors;
+ }
+
+ return get_sectors_written(sbi->sb->s_bdev);
+}
+
static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
@@ -1395,7 +1416,6 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
__u32 crc32 = 0;
int i;
int cp_payload_blks = __cp_payload(sbi);
- struct super_block *sb = sbi->sb;
struct curseg_info *seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
u64 kbytes_written;
int err;
@@ -1437,7 +1457,7 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
orphan_blocks);
if (__remain_node_summaries(cpc->reason))
- ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS+
+ ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS +
cp_payload_blks + data_sum_blocks +
orphan_blocks + NR_CURSEG_NODE_TYPE);
else
@@ -1490,9 +1510,8 @@ static int do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
/* Record write statistics in the hot node summary */
kbytes_written = sbi->kbytes_written;
- if (sb->s_bdev->bd_part)
- kbytes_written += BD_PART_WRITTEN(sbi);
-
+ kbytes_written += (f2fs_get_sectors_written(sbi) -
+ sbi->sectors_written_start) >> 1;
seg_i->journal->info.kbytes_written = cpu_to_le64(kbytes_written);
if (__remain_node_summaries(cpc->reason)) {
@@ -1572,7 +1591,7 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
f2fs_warn(sbi, "Start checkpoint disabled!");
}
if (cpc->reason != CP_RESIZE)
- mutex_lock(&sbi->cp_mutex);
+ down_write(&sbi->cp_global_sem);
if (!is_sbi_flag_set(sbi, SBI_IS_DIRTY) &&
((cpc->reason & CP_FASTBOOT) || (cpc->reason & CP_SYNC) ||
@@ -1647,7 +1666,7 @@ int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
out:
if (cpc->reason != CP_RESIZE)
- mutex_unlock(&sbi->cp_mutex);
+ up_write(&sbi->cp_global_sem);
return err;
}
@@ -1689,3 +1708,178 @@ void f2fs_destroy_checkpoint_caches(void)
kmem_cache_destroy(ino_entry_slab);
kmem_cache_destroy(f2fs_inode_entry_slab);
}
+
+static int __write_checkpoint_sync(struct f2fs_sb_info *sbi)
+{
+ struct cp_control cpc = { .reason = CP_SYNC, };
+ int err;
+
+ down_write(&sbi->gc_lock);
+ err = f2fs_write_checkpoint(sbi, &cpc);
+ up_write(&sbi->gc_lock);
+
+ return err;
+}
+
+static void __checkpoint_and_complete_reqs(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ struct ckpt_req *req, *next;
+ struct llist_node *dispatch_list;
+ u64 sum_diff = 0, diff, count = 0;
+ int ret;
+
+ dispatch_list = llist_del_all(&cprc->issue_list);
+ if (!dispatch_list)
+ return;
+ dispatch_list = llist_reverse_order(dispatch_list);
+
+ ret = __write_checkpoint_sync(sbi);
+ atomic_inc(&cprc->issued_ckpt);
+
+ llist_for_each_entry_safe(req, next, dispatch_list, llnode) {
+ diff = (u64)ktime_ms_delta(ktime_get(), req->queue_time);
+ req->ret = ret;
+ complete(&req->wait);
+
+ sum_diff += diff;
+ count++;
+ }
+ atomic_sub(count, &cprc->queued_ckpt);
+ atomic_add(count, &cprc->total_ckpt);
+
+ spin_lock(&cprc->stat_lock);
+ cprc->cur_time = (unsigned int)div64_u64(sum_diff, count);
+ if (cprc->peak_time < cprc->cur_time)
+ cprc->peak_time = cprc->cur_time;
+ spin_unlock(&cprc->stat_lock);
+}
+
+static int issue_checkpoint_thread(void *data)
+{
+ struct f2fs_sb_info *sbi = data;
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ wait_queue_head_t *q = &cprc->ckpt_wait_queue;
+repeat:
+ if (kthread_should_stop())
+ return 0;
+
+ if (!llist_empty(&cprc->issue_list))
+ __checkpoint_and_complete_reqs(sbi);
+
+ wait_event_interruptible(*q,
+ kthread_should_stop() || !llist_empty(&cprc->issue_list));
+ goto repeat;
+}
+
+static void flush_remained_ckpt_reqs(struct f2fs_sb_info *sbi,
+ struct ckpt_req *wait_req)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ if (!llist_empty(&cprc->issue_list)) {
+ __checkpoint_and_complete_reqs(sbi);
+ } else {
+ /* already dispatched by issue_checkpoint_thread */
+ if (wait_req)
+ wait_for_completion(&wait_req->wait);
+ }
+}
+
+static void init_ckpt_req(struct ckpt_req *req)
+{
+ memset(req, 0, sizeof(struct ckpt_req));
+
+ init_completion(&req->wait);
+ req->queue_time = ktime_get();
+}
+
+int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ struct ckpt_req req;
+ struct cp_control cpc;
+
+ cpc.reason = __get_cp_reason(sbi);
+ if (!test_opt(sbi, MERGE_CHECKPOINT) || cpc.reason != CP_SYNC) {
+ int ret;
+
+ down_write(&sbi->gc_lock);
+ ret = f2fs_write_checkpoint(sbi, &cpc);
+ up_write(&sbi->gc_lock);
+
+ return ret;
+ }
+
+ if (!cprc->f2fs_issue_ckpt)
+ return __write_checkpoint_sync(sbi);
+
+ init_ckpt_req(&req);
+
+ llist_add(&req.llnode, &cprc->issue_list);
+ atomic_inc(&cprc->queued_ckpt);
+
+ /*
+ * update issue_list before we wake up issue_checkpoint thread,
+ * this smp_mb() pairs with another barrier in ___wait_event(),
+ * see more details in comments of waitqueue_active().
+ */
+ smp_mb();
+
+ if (waitqueue_active(&cprc->ckpt_wait_queue))
+ wake_up(&cprc->ckpt_wait_queue);
+
+ if (cprc->f2fs_issue_ckpt)
+ wait_for_completion(&req.wait);
+ else
+ flush_remained_ckpt_reqs(sbi, &req);
+
+ return req.ret;
+}
+
+int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+ dev_t dev = sbi->sb->s_bdev->bd_dev;
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ if (cprc->f2fs_issue_ckpt)
+ return 0;
+
+ cprc->f2fs_issue_ckpt = kthread_run(issue_checkpoint_thread, sbi,
+ "f2fs_ckpt-%u:%u", MAJOR(dev), MINOR(dev));
+ if (IS_ERR(cprc->f2fs_issue_ckpt)) {
+ cprc->f2fs_issue_ckpt = NULL;
+ return -ENOMEM;
+ }
+
+ set_task_ioprio(cprc->f2fs_issue_ckpt, cprc->ckpt_thread_ioprio);
+
+ return 0;
+}
+
+void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ if (cprc->f2fs_issue_ckpt) {
+ struct task_struct *ckpt_task = cprc->f2fs_issue_ckpt;
+
+ cprc->f2fs_issue_ckpt = NULL;
+ kthread_stop(ckpt_task);
+
+ flush_remained_ckpt_reqs(sbi, NULL);
+ }
+}
+
+void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi)
+{
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+
+ atomic_set(&cprc->issued_ckpt, 0);
+ atomic_set(&cprc->total_ckpt, 0);
+ atomic_set(&cprc->queued_ckpt, 0);
+ cprc->ckpt_thread_ioprio = DEFAULT_CHECKPOINT_IOPRIO;
+ init_waitqueue_head(&cprc->ckpt_wait_queue);
+ init_llist_head(&cprc->issue_list);
+ spin_lock_init(&cprc->stat_lock);
+}
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 30987ea..b8b3f11 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -12,9 +12,11 @@
#include <linux/lzo.h>
#include <linux/lz4.h>
#include <linux/zstd.h>
+#include <linux/pagevec.h>
#include "f2fs.h"
#include "node.h"
+#include "segment.h"
#include <trace/events/f2fs.h>
static struct kmem_cache *cic_entry_slab;
@@ -74,13 +76,7 @@ bool f2fs_is_compressed_page(struct page *page)
return false;
if (!page_private(page))
return false;
- if (IS_ATOMIC_WRITTEN_PAGE(page) || IS_DUMMY_WRITTEN_PAGE(page))
- return false;
- /*
- * page->private may be set with pid.
- * pid_max is enough to check if it is traced.
- */
- if (IS_IO_TRACED_PAGE(page))
+ if (page_private_nonpointer(page))
return false;
f2fs_bug_on(F2FS_M_SB(page->mapping),
@@ -91,8 +87,7 @@ bool f2fs_is_compressed_page(struct page *page)
static void f2fs_set_compressed_page(struct page *page,
struct inode *inode, pgoff_t index, void *data)
{
- SetPagePrivate(page);
- set_page_private(page, (unsigned long)data);
+ attach_page_private(page, (void *)data);
/* i_crypto_info and iv index */
page->index = index;
@@ -240,8 +235,14 @@ static const struct f2fs_compress_ops f2fs_lzo_ops = {
#ifdef CONFIG_F2FS_FS_LZ4
static int lz4_init_compress_ctx(struct compress_ctx *cc)
{
- cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode),
- LZ4_MEM_COMPRESS, GFP_NOFS);
+ unsigned int size = LZ4_MEM_COMPRESS;
+
+#ifdef CONFIG_F2FS_FS_LZ4HC
+ if (F2FS_I(cc->inode)->i_compress_flag >> COMPRESS_LEVEL_OFFSET)
+ size = LZ4HC_MEM_COMPRESS;
+#endif
+
+ cc->private = f2fs_kvmalloc(F2FS_I_SB(cc->inode), size, GFP_NOFS);
if (!cc->private)
return -ENOMEM;
@@ -260,10 +261,34 @@ static void lz4_destroy_compress_ctx(struct compress_ctx *cc)
cc->private = NULL;
}
+#ifdef CONFIG_F2FS_FS_LZ4HC
+static int lz4hc_compress_pages(struct compress_ctx *cc)
+{
+ unsigned char level = F2FS_I(cc->inode)->i_compress_flag >>
+ COMPRESS_LEVEL_OFFSET;
+ int len;
+
+ if (level)
+ len = LZ4_compress_HC(cc->rbuf, cc->cbuf->cdata, cc->rlen,
+ cc->clen, level, cc->private);
+ else
+ len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen,
+ cc->clen, cc->private);
+ if (!len)
+ return -EAGAIN;
+
+ cc->clen = len;
+ return 0;
+}
+#endif
+
static int lz4_compress_pages(struct compress_ctx *cc)
{
int len;
+#ifdef CONFIG_F2FS_FS_LZ4HC
+ return lz4hc_compress_pages(cc);
+#endif
len = LZ4_compress_default(cc->rbuf, cc->cbuf->cdata, cc->rlen,
cc->clen, cc->private);
if (!len)
@@ -313,8 +338,13 @@ static int zstd_init_compress_ctx(struct compress_ctx *cc)
ZSTD_CStream *stream;
void *workspace;
unsigned int workspace_size;
+ unsigned char level = F2FS_I(cc->inode)->i_compress_flag >>
+ COMPRESS_LEVEL_OFFSET;
- params = ZSTD_getParams(F2FS_ZSTD_DEFAULT_CLEVEL, cc->rlen, 0);
+ if (!level)
+ level = F2FS_ZSTD_DEFAULT_CLEVEL;
+
+ params = ZSTD_getParams(level, cc->rlen, 0);
workspace_size = ZSTD_CStreamWorkspaceBound(params.cParams);
workspace = f2fs_kvmalloc(F2FS_I_SB(cc->inode),
@@ -560,8 +590,7 @@ static void f2fs_compress_free_page(struct page *page)
{
if (!page)
return;
- set_page_private(page, (unsigned long)NULL);
- ClearPagePrivate(page);
+ detach_page_private(page);
page->mapping = NULL;
unlock_page(page);
mempool_free(page, compress_page_pool);
@@ -590,6 +619,7 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
f2fs_cops[fi->i_compress_algorithm];
unsigned int max_len, new_nr_cpages;
struct page **new_cpages;
+ u32 chksum = 0;
int i, ret;
trace_f2fs_compress_pages_start(cc->inode, cc->cluster_idx,
@@ -643,6 +673,11 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
cc->cbuf->clen = cpu_to_le32(cc->clen);
+ if (fi->i_compress_flag & 1 << COMPRESS_CHKSUM)
+ chksum = f2fs_crc32(F2FS_I_SB(cc->inode),
+ cc->cbuf->cdata, cc->clen);
+ cc->cbuf->chksum = cpu_to_le32(chksum);
+
for (i = 0; i < COMPRESS_DATA_RESERVED_SIZE; i++)
cc->cbuf->reserved[i] = cpu_to_le32(0);
@@ -703,38 +738,27 @@ static int f2fs_compress_pages(struct compress_ctx *cc)
return ret;
}
-void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity)
+void f2fs_decompress_cluster(struct decompress_io_ctx *dic)
{
- struct decompress_io_ctx *dic =
- (struct decompress_io_ctx *)page_private(page);
struct f2fs_sb_info *sbi = F2FS_I_SB(dic->inode);
- struct f2fs_inode_info *fi= F2FS_I(dic->inode);
+ struct f2fs_inode_info *fi = F2FS_I(dic->inode);
const struct f2fs_compress_ops *cops =
f2fs_cops[fi->i_compress_algorithm];
int ret;
int i;
- dec_page_count(sbi, F2FS_RD_DATA);
-
- if (bio->bi_status || PageError(page))
- dic->failed = true;
-
- if (atomic_dec_return(&dic->pending_pages))
- return;
-
trace_f2fs_decompress_pages_start(dic->inode, dic->cluster_idx,
dic->cluster_size, fi->i_compress_algorithm);
- /* submit partial compressed pages */
if (dic->failed) {
ret = -EIO;
- goto out_free_dic;
+ goto out_end_io;
}
dic->tpages = page_array_alloc(dic->inode, dic->cluster_size);
if (!dic->tpages) {
ret = -ENOMEM;
- goto out_free_dic;
+ goto out_end_io;
}
for (i = 0; i < dic->cluster_size; i++) {
@@ -746,20 +770,20 @@ void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity)
dic->tpages[i] = f2fs_compress_alloc_page();
if (!dic->tpages[i]) {
ret = -ENOMEM;
- goto out_free_dic;
+ goto out_end_io;
}
}
if (cops->init_decompress_ctx) {
ret = cops->init_decompress_ctx(dic);
if (ret)
- goto out_free_dic;
+ goto out_end_io;
}
dic->rbuf = f2fs_vmap(dic->tpages, dic->cluster_size);
if (!dic->rbuf) {
ret = -ENOMEM;
- goto destroy_decompress_ctx;
+ goto out_destroy_decompress_ctx;
}
dic->cbuf = f2fs_vmap(dic->cpages, dic->nr_cpages);
@@ -778,22 +802,58 @@ void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity)
ret = cops->decompress_pages(dic);
+ if (!ret && (fi->i_compress_flag & 1 << COMPRESS_CHKSUM)) {
+ u32 provided = le32_to_cpu(dic->cbuf->chksum);
+ u32 calculated = f2fs_crc32(sbi, dic->cbuf->cdata, dic->clen);
+
+ if (provided != calculated) {
+ if (!is_inode_flag_set(dic->inode, FI_COMPRESS_CORRUPT)) {
+ set_inode_flag(dic->inode, FI_COMPRESS_CORRUPT);
+ printk_ratelimited(
+ "%sF2FS-fs (%s): checksum invalid, nid = %lu, %x vs %x",
+ KERN_INFO, sbi->sb->s_id, dic->inode->i_ino,
+ provided, calculated);
+ }
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ }
+ }
+
out_vunmap_cbuf:
vm_unmap_ram(dic->cbuf, dic->nr_cpages);
out_vunmap_rbuf:
vm_unmap_ram(dic->rbuf, dic->cluster_size);
-destroy_decompress_ctx:
+out_destroy_decompress_ctx:
if (cops->destroy_decompress_ctx)
cops->destroy_decompress_ctx(dic);
-out_free_dic:
- if (!verity)
- f2fs_decompress_end_io(dic->rpages, dic->cluster_size,
- ret, false);
-
+out_end_io:
trace_f2fs_decompress_pages_end(dic->inode, dic->cluster_idx,
dic->clen, ret);
- if (!verity)
- f2fs_free_dic(dic);
+ f2fs_decompress_end_io(dic, ret);
+}
+
+/*
+ * This is called when a page of a compressed cluster has been read from disk
+ * (or failed to be read from disk). It checks whether this page was the last
+ * page being waited on in the cluster, and if so, it decompresses the cluster
+ * (or in the case of a failure, cleans up without actually decompressing).
+ */
+void f2fs_end_read_compressed_page(struct page *page, bool failed,
+ block_t blkaddr)
+{
+ struct decompress_io_ctx *dic =
+ (struct decompress_io_ctx *)page_private(page);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(dic->inode);
+
+ dec_page_count(sbi, F2FS_RD_DATA);
+
+ if (failed)
+ WRITE_ONCE(dic->failed, true);
+ else if (blkaddr)
+ f2fs_cache_compressed_page(sbi, page,
+ dic->inode->i_ino, blkaddr);
+
+ if (atomic_dec_and_test(&dic->remaining_pages))
+ f2fs_decompress_cluster(dic);
}
static bool is_page_in_cluster(struct compress_ctx *cc, pgoff_t index)
@@ -820,9 +880,8 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index)
return is_page_in_cluster(cc, index);
}
-static bool __cluster_may_compress(struct compress_ctx *cc)
+static bool cluster_has_invalid_data(struct compress_ctx *cc)
{
- struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode);
loff_t i_size = i_size_read(cc->inode);
unsigned nr_pages = DIV_ROUND_UP(i_size, PAGE_SIZE);
int i;
@@ -830,28 +889,26 @@ static bool __cluster_may_compress(struct compress_ctx *cc)
for (i = 0; i < cc->cluster_size; i++) {
struct page *page = cc->rpages[i];
- f2fs_bug_on(sbi, !page);
-
- if (unlikely(f2fs_cp_error(sbi)))
- return false;
- if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
- return false;
+ f2fs_bug_on(F2FS_I_SB(cc->inode), !page);
/* beyond EOF */
if (page->index >= nr_pages)
- return false;
+ return true;
}
- return true;
+ return false;
}
-static int __f2fs_cluster_blocks(struct compress_ctx *cc, bool compr)
+static int __f2fs_cluster_blocks(struct inode *inode,
+ unsigned int cluster_idx, bool compr)
{
struct dnode_of_data dn;
+ unsigned int cluster_size = F2FS_I(inode)->i_cluster_size;
+ unsigned int start_idx = cluster_idx <<
+ F2FS_I(inode)->i_log_cluster_size;
int ret;
- set_new_dnode(&dn, cc->inode, NULL, NULL, 0);
- ret = f2fs_get_dnode_of_data(&dn, start_idx_of_cluster(cc),
- LOOKUP_NODE);
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
+ ret = f2fs_get_dnode_of_data(&dn, start_idx, LOOKUP_NODE);
if (ret) {
if (ret == -ENOENT)
ret = 0;
@@ -862,7 +919,7 @@ static int __f2fs_cluster_blocks(struct compress_ctx *cc, bool compr)
int i;
ret = 1;
- for (i = 1; i < cc->cluster_size; i++) {
+ for (i = 1; i < cluster_size; i++) {
block_t blkaddr;
blkaddr = data_blkaddr(dn.inode,
@@ -875,6 +932,10 @@ static int __f2fs_cluster_blocks(struct compress_ctx *cc, bool compr)
ret++;
}
}
+
+ f2fs_bug_on(F2FS_I_SB(inode),
+ !compr && ret != cluster_size &&
+ !is_inode_flag_set(inode, FI_COMPRESS_RELEASED));
}
fail:
f2fs_put_dnode(&dn);
@@ -884,40 +945,28 @@ static int __f2fs_cluster_blocks(struct compress_ctx *cc, bool compr)
/* return # of compressed blocks in compressed cluster */
static int f2fs_compressed_blocks(struct compress_ctx *cc)
{
- return __f2fs_cluster_blocks(cc, true);
+ return __f2fs_cluster_blocks(cc->inode, cc->cluster_idx, true);
}
/* return # of valid blocks in compressed cluster */
-static int f2fs_cluster_blocks(struct compress_ctx *cc)
-{
- return __f2fs_cluster_blocks(cc, false);
-}
-
int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index)
{
- struct compress_ctx cc = {
- .inode = inode,
- .log_cluster_size = F2FS_I(inode)->i_log_cluster_size,
- .cluster_size = F2FS_I(inode)->i_cluster_size,
- .cluster_idx = index >> F2FS_I(inode)->i_log_cluster_size,
- };
-
- return f2fs_cluster_blocks(&cc);
+ return __f2fs_cluster_blocks(inode,
+ index >> F2FS_I(inode)->i_log_cluster_size,
+ false);
}
static bool cluster_may_compress(struct compress_ctx *cc)
{
- if (!f2fs_compressed_file(cc->inode))
+ if (!f2fs_need_compress_data(cc->inode))
return false;
if (f2fs_is_atomic_file(cc->inode))
return false;
- if (f2fs_is_mmap_file(cc->inode))
- return false;
if (!f2fs_cluster_is_full(cc))
return false;
if (unlikely(f2fs_cp_error(F2FS_I_SB(cc->inode))))
return false;
- return __cluster_may_compress(cc);
+ return !cluster_has_invalid_data(cc);
}
static void set_cluster_writeback(struct compress_ctx *cc)
@@ -945,21 +994,16 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
struct f2fs_sb_info *sbi = F2FS_I_SB(cc->inode);
struct address_space *mapping = cc->inode->i_mapping;
struct page *page;
- struct dnode_of_data dn;
sector_t last_block_in_bio;
unsigned fgp_flag = FGP_LOCK | FGP_WRITE | FGP_CREAT;
pgoff_t start_idx = start_idx_of_cluster(cc);
int i, ret;
- bool prealloc;
retry:
- ret = f2fs_cluster_blocks(cc);
+ ret = f2fs_is_compressed_cluster(cc->inode, start_idx);
if (ret <= 0)
return ret;
- /* compressed case */
- prealloc = (ret < cc->cluster_size);
-
ret = f2fs_init_compress_ctx(cc);
if (ret)
return ret;
@@ -1017,25 +1061,6 @@ static int prepare_compress_overwrite(struct compress_ctx *cc,
}
}
- if (prealloc) {
- f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true);
-
- set_new_dnode(&dn, cc->inode, NULL, NULL, 0);
-
- for (i = cc->cluster_size - 1; i > 0; i--) {
- ret = f2fs_get_block(&dn, start_idx + i);
- if (ret) {
- i = cc->cluster_size;
- break;
- }
-
- if (dn.data_blkaddr != NEW_ADDR)
- break;
- }
-
- f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false);
- }
-
if (likely(!ret)) {
*fsdata = cc->rpages;
*pagep = cc->rpages[offset_in_cluster(cc, index)];
@@ -1166,6 +1191,12 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
loff_t psize;
int i, err;
+ /* we should bypass data pages to proceed the kworkder jobs */
+ if (unlikely(f2fs_cp_error(sbi))) {
+ mapping_set_error(cc->rpages[0]->mapping, -EIO);
+ goto out_free;
+ }
+
if (IS_NOQUOTA(inode)) {
/*
* We need to wait for node_write to avoid block allocation during
@@ -1281,6 +1312,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
if (fio.compr_blocks)
f2fs_i_compr_blocks_update(inode, fio.compr_blocks - 1, false);
f2fs_i_compr_blocks_update(inode, cc->nr_cpages, true);
+ add_compr_block_stat(inode, cc->nr_cpages);
set_inode_flag(cc->inode, FI_APPEND_WRITE);
if (cc->cluster_idx == 0)
@@ -1348,7 +1380,7 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page)
for (i = 0; i < cic->nr_rpages; i++) {
WARN_ON(!cic->rpages[i]);
- clear_cold_data(cic->rpages[i]);
+ clear_page_private_gcing(cic->rpages[i]);
end_page_writeback(cic->rpages[i]);
}
@@ -1466,6 +1498,8 @@ int f2fs_write_multi_pages(struct compress_ctx *cc,
return err;
}
+static void f2fs_free_dic(struct decompress_io_ctx *dic);
+
struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
{
struct decompress_io_ctx *dic;
@@ -1484,12 +1518,14 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
dic->magic = F2FS_COMPRESSED_PAGE_MAGIC;
dic->inode = cc->inode;
- atomic_set(&dic->pending_pages, cc->nr_cpages);
+ atomic_set(&dic->remaining_pages, cc->nr_cpages);
dic->cluster_idx = cc->cluster_idx;
dic->cluster_size = cc->cluster_size;
dic->log_cluster_size = cc->log_cluster_size;
dic->nr_cpages = cc->nr_cpages;
+ refcount_set(&dic->refcnt, 1);
dic->failed = false;
+ dic->need_verity = f2fs_need_verity(cc->inode, start_idx);
for (i = 0; i < dic->cluster_size; i++)
dic->rpages[i] = cc->rpages[i];
@@ -1518,7 +1554,7 @@ struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc)
return ERR_PTR(-ENOMEM);
}
-void f2fs_free_dic(struct decompress_io_ctx *dic)
+static void f2fs_free_dic(struct decompress_io_ctx *dic)
{
int i;
@@ -1546,30 +1582,246 @@ void f2fs_free_dic(struct decompress_io_ctx *dic)
kmem_cache_free(dic_entry_slab, dic);
}
-void f2fs_decompress_end_io(struct page **rpages,
- unsigned int cluster_size, bool err, bool verity)
+static void f2fs_put_dic(struct decompress_io_ctx *dic)
+{
+ if (refcount_dec_and_test(&dic->refcnt))
+ f2fs_free_dic(dic);
+}
+
+/*
+ * Update and unlock the cluster's pagecache pages, and release the reference to
+ * the decompress_io_ctx that was being held for I/O completion.
+ */
+static void __f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed)
{
int i;
- for (i = 0; i < cluster_size; i++) {
- struct page *rpage = rpages[i];
+ for (i = 0; i < dic->cluster_size; i++) {
+ struct page *rpage = dic->rpages[i];
if (!rpage)
continue;
- if (err || PageError(rpage))
- goto clear_uptodate;
-
- if (!verity || fsverity_verify_page(rpage)) {
+ /* PG_error was set if verity failed. */
+ if (failed || PageError(rpage)) {
+ ClearPageUptodate(rpage);
+ /* will re-read again later */
+ ClearPageError(rpage);
+ } else {
SetPageUptodate(rpage);
- goto unlock;
}
-clear_uptodate:
- ClearPageUptodate(rpage);
- ClearPageError(rpage);
-unlock:
unlock_page(rpage);
}
+
+ f2fs_put_dic(dic);
+}
+
+static void f2fs_verify_cluster(struct work_struct *work)
+{
+ struct decompress_io_ctx *dic =
+ container_of(work, struct decompress_io_ctx, verity_work);
+ int i;
+
+ /* Verify the cluster's decompressed pages with fs-verity. */
+ for (i = 0; i < dic->cluster_size; i++) {
+ struct page *rpage = dic->rpages[i];
+
+ if (rpage && !fsverity_verify_page(rpage))
+ SetPageError(rpage);
+ }
+
+ __f2fs_decompress_end_io(dic, false);
+}
+
+/*
+ * This is called when a compressed cluster has been decompressed
+ * (or failed to be read and/or decompressed).
+ */
+void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed)
+{
+ if (!failed && dic->need_verity) {
+ /*
+ * Note that to avoid deadlocks, the verity work can't be done
+ * on the decompression workqueue. This is because verifying
+ * the data pages can involve reading metadata pages from the
+ * file, and these metadata pages may be compressed.
+ */
+ INIT_WORK(&dic->verity_work, f2fs_verify_cluster);
+ fsverity_enqueue_verify_work(&dic->verity_work);
+ } else {
+ __f2fs_decompress_end_io(dic, failed);
+ }
+}
+
+/*
+ * Put a reference to a compressed page's decompress_io_ctx.
+ *
+ * This is called when the page is no longer needed and can be freed.
+ */
+void f2fs_put_page_dic(struct page *page)
+{
+ struct decompress_io_ctx *dic =
+ (struct decompress_io_ctx *)page_private(page);
+
+ f2fs_put_dic(dic);
+}
+
+const struct address_space_operations f2fs_compress_aops = {
+ .releasepage = f2fs_release_page,
+ .invalidatepage = f2fs_invalidate_page,
+};
+
+struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi)
+{
+ return sbi->compress_inode->i_mapping;
+}
+
+void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr)
+{
+ if (!sbi->compress_inode)
+ return;
+ invalidate_mapping_pages(COMPRESS_MAPPING(sbi), blkaddr, blkaddr);
+}
+
+void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+ nid_t ino, block_t blkaddr)
+{
+ struct page *cpage;
+ int ret;
+
+ if (!test_opt(sbi, COMPRESS_CACHE))
+ return;
+
+ if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE_READ))
+ return;
+
+ if (!f2fs_available_free_memory(sbi, COMPRESS_PAGE))
+ return;
+
+ cpage = find_get_page(COMPRESS_MAPPING(sbi), blkaddr);
+ if (cpage) {
+ f2fs_put_page(cpage, 0);
+ return;
+ }
+
+ cpage = alloc_page(__GFP_NOWARN | __GFP_IO);
+ if (!cpage)
+ return;
+
+ ret = add_to_page_cache_lru(cpage, COMPRESS_MAPPING(sbi),
+ blkaddr, GFP_NOFS);
+ if (ret) {
+ f2fs_put_page(cpage, 0);
+ return;
+ }
+
+ set_page_private_data(cpage, ino);
+
+ if (!f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC_ENHANCE_READ))
+ goto out;
+
+ memcpy(page_address(cpage), page_address(page), PAGE_SIZE);
+ SetPageUptodate(cpage);
+out:
+ f2fs_put_page(cpage, 1);
+}
+
+bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+ block_t blkaddr)
+{
+ struct page *cpage;
+ bool hitted = false;
+
+ if (!test_opt(sbi, COMPRESS_CACHE))
+ return false;
+
+ cpage = f2fs_pagecache_get_page(COMPRESS_MAPPING(sbi),
+ blkaddr, FGP_LOCK | FGP_NOWAIT, GFP_NOFS);
+ if (cpage) {
+ if (PageUptodate(cpage)) {
+ atomic_inc(&sbi->compress_page_hit);
+ memcpy(page_address(page),
+ page_address(cpage), PAGE_SIZE);
+ hitted = true;
+ }
+ f2fs_put_page(cpage, 1);
+ }
+
+ return hitted;
+}
+
+void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino)
+{
+ struct address_space *mapping = sbi->compress_inode->i_mapping;
+ struct pagevec pvec;
+ pgoff_t index = 0;
+ pgoff_t end = MAX_BLKADDR(sbi);
+
+ if (!mapping->nrpages)
+ return;
+
+ pagevec_init(&pvec);
+
+ do {
+ unsigned int nr_pages;
+ int i;
+
+ nr_pages = pagevec_lookup_range(&pvec, mapping,
+ &index, end - 1);
+ if (!nr_pages)
+ break;
+
+ for (i = 0; i < nr_pages; i++) {
+ struct page *page = pvec.pages[i];
+
+ if (page->index > end)
+ break;
+
+ lock_page(page);
+ if (page->mapping != mapping) {
+ unlock_page(page);
+ continue;
+ }
+
+ if (ino != get_page_private_data(page)) {
+ unlock_page(page);
+ continue;
+ }
+
+ generic_error_remove_page(mapping, page);
+ unlock_page(page);
+ }
+ pagevec_release(&pvec);
+ cond_resched();
+ } while (index < end);
+}
+
+int f2fs_init_compress_inode(struct f2fs_sb_info *sbi)
+{
+ struct inode *inode;
+
+ if (!test_opt(sbi, COMPRESS_CACHE))
+ return 0;
+
+ inode = f2fs_iget(sbi->sb, F2FS_COMPRESS_INO(sbi));
+ if (IS_ERR(inode))
+ return PTR_ERR(inode);
+ sbi->compress_inode = inode;
+
+ sbi->compress_percent = COMPRESS_PERCENT;
+ sbi->compress_watermark = COMPRESS_WATERMARK;
+
+ atomic_set(&sbi->compress_page_hit, 0);
+
+ return 0;
+}
+
+void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi)
+{
+ if (!sbi->compress_inode)
+ return;
+ iput(sbi->compress_inode);
+ sbi->compress_inode = NULL;
}
int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 1b11a42..a090e3b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -25,8 +25,8 @@
#include "f2fs.h"
#include "node.h"
#include "segment.h"
-#include "trace.h"
#include <trace/events/f2fs.h>
+#include <trace/events/android_fs.h>
#define NUM_PREALLOC_POST_READ_CTXS 128
@@ -50,27 +50,6 @@ void f2fs_destroy_bioset(void)
bioset_exit(&f2fs_bioset);
}
-static inline struct bio *__f2fs_bio_alloc(gfp_t gfp_mask,
- unsigned int nr_iovecs)
-{
- return bio_alloc_bioset(gfp_mask, nr_iovecs, &f2fs_bioset);
-}
-
-struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool noio)
-{
- if (noio) {
- /* No failure on bio allocation */
- return __f2fs_bio_alloc(GFP_NOIO, npages);
- }
-
- if (time_to_inject(sbi, FAULT_ALLOC_BIO)) {
- f2fs_show_injection_info(sbi, FAULT_ALLOC_BIO);
- return NULL;
- }
-
- return __f2fs_bio_alloc(GFP_KERNEL, npages);
-}
-
static bool __is_cp_guaranteed(struct page *page)
{
struct address_space *mapping = page->mapping;
@@ -80,18 +59,19 @@ static bool __is_cp_guaranteed(struct page *page)
if (!mapping)
return false;
- if (f2fs_is_compressed_page(page))
- return false;
-
inode = mapping->host;
sbi = F2FS_I_SB(inode);
if (inode->i_ino == F2FS_META_INO(sbi) ||
inode->i_ino == F2FS_NODE_INO(sbi) ||
- S_ISDIR(inode->i_mode) ||
- (S_ISREG(inode->i_mode) &&
+ S_ISDIR(inode->i_mode))
+ return true;
+
+ if (f2fs_is_compressed_page(page))
+ return false;
+ if ((S_ISREG(inode->i_mode) &&
(f2fs_is_atomic_file(inode) || IS_NOQUOTA(inode))) ||
- is_cold_data(page))
+ page_private_gcing(page))
return true;
return false;
}
@@ -115,10 +95,21 @@ static enum count_type __read_io_type(struct page *page)
/* postprocessing steps for read bios */
enum bio_post_read_step {
- STEP_DECRYPT,
- STEP_DECOMPRESS_NOWQ, /* handle normal cluster data inplace */
- STEP_DECOMPRESS, /* handle compressed cluster data in workqueue */
- STEP_VERITY,
+#ifdef CONFIG_FS_ENCRYPTION
+ STEP_DECRYPT = 1 << 0,
+#else
+ STEP_DECRYPT = 0, /* compile out the decryption-related code */
+#endif
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ STEP_DECOMPRESS = 1 << 1,
+#else
+ STEP_DECOMPRESS = 0, /* compile out the decompression-related code */
+#endif
+#ifdef CONFIG_FS_VERITY
+ STEP_VERITY = 1 << 2,
+#else
+ STEP_VERITY = 0, /* compile out the verity-related code */
+#endif
};
struct bio_post_read_ctx {
@@ -128,25 +119,26 @@ struct bio_post_read_ctx {
unsigned int enabled_steps;
};
-static void __read_end_io(struct bio *bio, bool compr, bool verity)
+static void f2fs_finish_read_bio(struct bio *bio)
{
- struct page *page;
struct bio_vec *bv;
struct bvec_iter_all iter_all;
+ /*
+ * Update and unlock the bio's pagecache pages, and put the
+ * decompression context for any compressed pages.
+ */
bio_for_each_segment_all(bv, bio, iter_all) {
- page = bv->bv_page;
+ struct page *page = bv->bv_page;
-#ifdef CONFIG_F2FS_FS_COMPRESSION
- if (compr && f2fs_is_compressed_page(page)) {
- f2fs_decompress_pages(bio, page, verity);
+ if (f2fs_is_compressed_page(page)) {
+ if (bio->bi_status)
+ f2fs_end_read_compressed_page(page, true, 0);
+ f2fs_put_page_dic(page);
continue;
}
- if (verity)
- continue;
-#endif
- /* PG_error was set if any post_read step failed */
+ /* PG_error was set if decryption or verity failed. */
if (bio->bi_status || PageError(page)) {
ClearPageUptodate(page);
/* will re-read again later */
@@ -157,106 +149,108 @@ static void __read_end_io(struct bio *bio, bool compr, bool verity)
dec_page_count(F2FS_P_SB(page), __read_io_type(page));
unlock_page(page);
}
+
+ if (bio->bi_private)
+ mempool_free(bio->bi_private, bio_post_read_ctx_pool);
+ bio_put(bio);
}
-static void f2fs_release_read_bio(struct bio *bio);
-static void __f2fs_read_end_io(struct bio *bio, bool compr, bool verity)
-{
- if (!compr)
- __read_end_io(bio, false, verity);
- f2fs_release_read_bio(bio);
-}
-
-static void f2fs_decompress_bio(struct bio *bio, bool verity)
-{
- __read_end_io(bio, true, verity);
-}
-
-static void bio_post_read_processing(struct bio_post_read_ctx *ctx);
-
-static void f2fs_decrypt_work(struct bio_post_read_ctx *ctx)
-{
- fscrypt_decrypt_bio(ctx->bio);
-}
-
-static void f2fs_decompress_work(struct bio_post_read_ctx *ctx)
-{
- f2fs_decompress_bio(ctx->bio, ctx->enabled_steps & (1 << STEP_VERITY));
-}
-
-#ifdef CONFIG_F2FS_FS_COMPRESSION
-static void f2fs_verify_pages(struct page **rpages, unsigned int cluster_size)
-{
- f2fs_decompress_end_io(rpages, cluster_size, false, true);
-}
-
-static void f2fs_verify_bio(struct bio *bio)
-{
- struct bio_vec *bv;
- struct bvec_iter_all iter_all;
-
- bio_for_each_segment_all(bv, bio, iter_all) {
- struct page *page = bv->bv_page;
- struct decompress_io_ctx *dic;
-
- dic = (struct decompress_io_ctx *)page_private(page);
-
- if (dic) {
- if (atomic_dec_return(&dic->verity_pages))
- continue;
- f2fs_verify_pages(dic->rpages,
- dic->cluster_size);
- f2fs_free_dic(dic);
- continue;
- }
-
- if (bio->bi_status || PageError(page))
- goto clear_uptodate;
-
- if (fsverity_verify_page(page)) {
- SetPageUptodate(page);
- goto unlock;
- }
-clear_uptodate:
- ClearPageUptodate(page);
- ClearPageError(page);
-unlock:
- dec_page_count(F2FS_P_SB(page), __read_io_type(page));
- unlock_page(page);
- }
-}
-#endif
-
-static void f2fs_verity_work(struct work_struct *work)
+static void f2fs_verify_bio(struct work_struct *work)
{
struct bio_post_read_ctx *ctx =
container_of(work, struct bio_post_read_ctx, work);
struct bio *bio = ctx->bio;
-#ifdef CONFIG_F2FS_FS_COMPRESSION
- unsigned int enabled_steps = ctx->enabled_steps;
-#endif
+ bool may_have_compressed_pages = (ctx->enabled_steps & STEP_DECOMPRESS);
/*
* fsverity_verify_bio() may call readpages() again, and while verity
- * will be disabled for this, decryption may still be needed, resulting
- * in another bio_post_read_ctx being allocated. So to prevent
- * deadlocks we need to release the current ctx to the mempool first.
- * This assumes that verity is the last post-read step.
+ * will be disabled for this, decryption and/or decompression may still
+ * be needed, resulting in another bio_post_read_ctx being allocated.
+ * So to prevent deadlocks we need to release the current ctx to the
+ * mempool first. This assumes that verity is the last post-read step.
*/
mempool_free(ctx, bio_post_read_ctx_pool);
bio->bi_private = NULL;
-#ifdef CONFIG_F2FS_FS_COMPRESSION
- /* previous step is decompression */
- if (enabled_steps & (1 << STEP_DECOMPRESS)) {
- f2fs_verify_bio(bio);
- f2fs_release_read_bio(bio);
- return;
- }
-#endif
+ /*
+ * Verify the bio's pages with fs-verity. Exclude compressed pages,
+ * as those were handled separately by f2fs_end_read_compressed_page().
+ */
+ if (may_have_compressed_pages) {
+ struct bio_vec *bv;
+ struct bvec_iter_all iter_all;
- fsverity_verify_bio(bio);
- __f2fs_read_end_io(bio, false, false);
+ bio_for_each_segment_all(bv, bio, iter_all) {
+ struct page *page = bv->bv_page;
+
+ if (!f2fs_is_compressed_page(page) &&
+ !PageError(page) && !fsverity_verify_page(page))
+ SetPageError(page);
+ }
+ } else {
+ fsverity_verify_bio(bio);
+ }
+
+ f2fs_finish_read_bio(bio);
+}
+
+/*
+ * If the bio's data needs to be verified with fs-verity, then enqueue the
+ * verity work for the bio. Otherwise finish the bio now.
+ *
+ * Note that to avoid deadlocks, the verity work can't be done on the
+ * decryption/decompression workqueue. This is because verifying the data pages
+ * can involve reading verity metadata pages from the file, and these verity
+ * metadata pages may be encrypted and/or compressed.
+ */
+static void f2fs_verify_and_finish_bio(struct bio *bio)
+{
+ struct bio_post_read_ctx *ctx = bio->bi_private;
+
+ if (ctx && (ctx->enabled_steps & STEP_VERITY)) {
+ INIT_WORK(&ctx->work, f2fs_verify_bio);
+ fsverity_enqueue_verify_work(&ctx->work);
+ } else {
+ f2fs_finish_read_bio(bio);
+ }
+}
+
+/*
+ * Handle STEP_DECOMPRESS by decompressing any compressed clusters whose last
+ * remaining page was read by @ctx->bio.
+ *
+ * Note that a bio may span clusters (even a mix of compressed and uncompressed
+ * clusters) or be for just part of a cluster. STEP_DECOMPRESS just indicates
+ * that the bio includes at least one compressed page. The actual decompression
+ * is done on a per-cluster basis, not a per-bio basis.
+ */
+static void f2fs_handle_step_decompress(struct bio_post_read_ctx *ctx)
+{
+ struct bio_vec *bv;
+ struct bvec_iter_all iter_all;
+ bool all_compressed = true;
+ block_t blkaddr = SECTOR_TO_BLOCK(ctx->bio->bi_iter.bi_sector);
+
+ bio_for_each_segment_all(bv, ctx->bio, iter_all) {
+ struct page *page = bv->bv_page;
+
+ /* PG_error was set if decryption failed. */
+ if (f2fs_is_compressed_page(page))
+ f2fs_end_read_compressed_page(page, PageError(page),
+ blkaddr);
+ else
+ all_compressed = false;
+
+ blkaddr++;
+ }
+
+ /*
+ * Optimization: if all the bio's pages are compressed, then scheduling
+ * the per-bio verity work is unnecessary, as verity will be fully
+ * handled at the compression cluster level.
+ */
+ if (all_compressed)
+ ctx->enabled_steps &= ~STEP_VERITY;
}
static void f2fs_post_read_work(struct work_struct *work)
@@ -264,74 +258,36 @@ static void f2fs_post_read_work(struct work_struct *work)
struct bio_post_read_ctx *ctx =
container_of(work, struct bio_post_read_ctx, work);
- if (ctx->enabled_steps & (1 << STEP_DECRYPT))
- f2fs_decrypt_work(ctx);
+ if (ctx->enabled_steps & STEP_DECRYPT)
+ fscrypt_decrypt_bio(ctx->bio);
- if (ctx->enabled_steps & (1 << STEP_DECOMPRESS))
- f2fs_decompress_work(ctx);
+ if (ctx->enabled_steps & STEP_DECOMPRESS)
+ f2fs_handle_step_decompress(ctx);
- if (ctx->enabled_steps & (1 << STEP_VERITY)) {
- INIT_WORK(&ctx->work, f2fs_verity_work);
- fsverity_enqueue_verify_work(&ctx->work);
- return;
- }
-
- __f2fs_read_end_io(ctx->bio,
- ctx->enabled_steps & (1 << STEP_DECOMPRESS), false);
-}
-
-static void f2fs_enqueue_post_read_work(struct f2fs_sb_info *sbi,
- struct work_struct *work)
-{
- queue_work(sbi->post_read_wq, work);
-}
-
-static void bio_post_read_processing(struct bio_post_read_ctx *ctx)
-{
- /*
- * We use different work queues for decryption and for verity because
- * verity may require reading metadata pages that need decryption, and
- * we shouldn't recurse to the same workqueue.
- */
-
- if (ctx->enabled_steps & (1 << STEP_DECRYPT) ||
- ctx->enabled_steps & (1 << STEP_DECOMPRESS)) {
- INIT_WORK(&ctx->work, f2fs_post_read_work);
- f2fs_enqueue_post_read_work(ctx->sbi, &ctx->work);
- return;
- }
-
- if (ctx->enabled_steps & (1 << STEP_VERITY)) {
- INIT_WORK(&ctx->work, f2fs_verity_work);
- fsverity_enqueue_verify_work(&ctx->work);
- return;
- }
-
- __f2fs_read_end_io(ctx->bio, false, false);
-}
-
-static bool f2fs_bio_post_read_required(struct bio *bio)
-{
- return bio->bi_private;
+ f2fs_verify_and_finish_bio(ctx->bio);
}
static void f2fs_read_end_io(struct bio *bio)
{
struct f2fs_sb_info *sbi = F2FS_P_SB(bio_first_page_all(bio));
+ struct bio_post_read_ctx *ctx = bio->bi_private;
if (time_to_inject(sbi, FAULT_READ_IO)) {
f2fs_show_injection_info(sbi, FAULT_READ_IO);
bio->bi_status = BLK_STS_IOERR;
}
- if (f2fs_bio_post_read_required(bio)) {
- struct bio_post_read_ctx *ctx = bio->bi_private;
-
- bio_post_read_processing(ctx);
+ if (bio->bi_status) {
+ f2fs_finish_read_bio(bio);
return;
}
- __f2fs_read_end_io(bio, false, false);
+ if (ctx && (ctx->enabled_steps & (STEP_DECRYPT | STEP_DECOMPRESS))) {
+ INIT_WORK(&ctx->work, f2fs_post_read_work);
+ queue_work(ctx->sbi->post_read_wq, &ctx->work);
+ } else {
+ f2fs_verify_and_finish_bio(bio);
+ }
}
static void f2fs_write_end_io(struct bio *bio)
@@ -349,9 +305,8 @@ static void f2fs_write_end_io(struct bio *bio)
struct page *page = bvec->bv_page;
enum count_type type = WB_DATA_TYPE(page);
- if (IS_DUMMY_WRITTEN_PAGE(page)) {
- set_page_private(page, (unsigned long)NULL);
- ClearPagePrivate(page);
+ if (page_private_dummy(page)) {
+ clear_page_private_dummy(page);
unlock_page(page);
mempool_free(page, sbi->write_io_dummy);
@@ -381,7 +336,7 @@ static void f2fs_write_end_io(struct bio *bio)
dec_page_count(sbi, type);
if (f2fs_in_warm_node_list(sbi, page))
f2fs_del_fsync_node_entry(sbi, page);
- clear_cold_data(page);
+ clear_page_private_gcing(page);
end_page_writeback(page);
}
if (!get_pages(sbi, F2FS_WB_CP_DATA) &&
@@ -442,7 +397,7 @@ static struct bio *__bio_alloc(struct f2fs_io_info *fio, int npages)
struct f2fs_sb_info *sbi = fio->sbi;
struct bio *bio;
- bio = f2fs_bio_alloc(sbi, npages, true);
+ bio = bio_alloc_bioset(GFP_NOIO, npages, &f2fs_bioset);
f2fs_target_device(sbi, fio->new_blkaddr, bio);
if (is_read_io(fio->op)) {
@@ -471,6 +426,8 @@ static void f2fs_set_bio_crypt_ctx(struct bio *bio, const struct inode *inode,
*/
if (!fio || !fio->encrypted_page)
fscrypt_set_bio_crypt_ctx(bio, inode, first_idx, gfp_mask);
+ else if (fscrypt_inode_should_skip_dm_default_key(inode))
+ bio_set_skip_dm_default_key(bio);
}
static bool f2fs_crypt_mergeable_bio(struct bio *bio, const struct inode *inode,
@@ -482,7 +439,9 @@ static bool f2fs_crypt_mergeable_bio(struct bio *bio, const struct inode *inode,
* read/write raw data without encryption.
*/
if (fio && fio->encrypted_page)
- return !bio_has_crypt_ctx(bio);
+ return !bio_has_crypt_ctx(bio) &&
+ (bio_should_skip_dm_default_key(bio) ==
+ fscrypt_inode_should_skip_dm_default_key(inode));
return fscrypt_mergeable_bio(bio, inode, next_idx);
}
@@ -515,10 +474,11 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi,
GFP_NOIO | __GFP_NOFAIL);
f2fs_bug_on(sbi, !page);
- zero_user_segment(page, 0, PAGE_SIZE);
- SetPagePrivate(page);
- set_page_private(page, DUMMY_WRITTEN_PAGE);
lock_page(page);
+
+ zero_user_segment(page, 0, PAGE_SIZE);
+ set_page_private_dummy(page);
+
if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE)
f2fs_bug_on(sbi, 1);
}
@@ -707,7 +667,6 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
return -EFSCORRUPTED;
trace_f2fs_submit_page_bio(page, fio);
- f2fs_trace_ios(fio, 0);
/* Allocate a new bio */
bio = __bio_alloc(fio, 1);
@@ -736,6 +695,9 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
static bool page_is_mergeable(struct f2fs_sb_info *sbi, struct bio *bio,
block_t last_blkaddr, block_t cur_blkaddr)
{
+ if (unlikely(sbi->max_io_bytes &&
+ bio->bi_iter.bi_size >= sbi->max_io_bytes))
+ return false;
if (last_blkaddr + 1 != cur_blkaddr)
return false;
return __same_bdev(sbi, cur_blkaddr, bio);
@@ -909,7 +871,6 @@ int f2fs_merge_page_bio(struct f2fs_io_info *fio)
return -EFSCORRUPTED;
trace_f2fs_submit_page_bio(page, fio);
- f2fs_trace_ios(fio, 0);
if (bio && !page_is_mergeable(fio->sbi, bio, *fio->last_block,
fio->new_blkaddr))
@@ -1006,7 +967,6 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
wbc_account_cgroup_owner(fio->io_wbc, bio_page, PAGE_SIZE);
io->last_block_in_bio = fio->new_blkaddr;
- f2fs_trace_ios(fio, 0);
trace_f2fs_submit_page_write(fio->page, fio);
skip:
@@ -1019,24 +979,18 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
up_write(&io->io_rwsem);
}
-static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx)
-{
- return fsverity_active(inode) &&
- idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
-}
-
static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
unsigned nr_pages, unsigned op_flag,
- pgoff_t first_idx, bool for_write,
- bool for_verity)
+ pgoff_t first_idx, bool for_write)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct bio *bio;
struct bio_post_read_ctx *ctx;
unsigned int post_read_steps = 0;
- bio = f2fs_bio_alloc(sbi, min_t(int, nr_pages, BIO_MAX_PAGES),
- for_write);
+ bio = bio_alloc_bioset(for_write ? GFP_NOIO : GFP_KERNEL,
+ min_t(int, nr_pages, BIO_MAX_PAGES),
+ &f2fs_bioset);
if (!bio)
return ERR_PTR(-ENOMEM);
@@ -1047,13 +1001,19 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
bio_set_op_attrs(bio, REQ_OP_READ, op_flag);
if (fscrypt_inode_uses_fs_layer_crypto(inode))
- post_read_steps |= 1 << STEP_DECRYPT;
- if (f2fs_compressed_file(inode))
- post_read_steps |= 1 << STEP_DECOMPRESS_NOWQ;
- if (for_verity && f2fs_need_verity(inode, first_idx))
- post_read_steps |= 1 << STEP_VERITY;
+ post_read_steps |= STEP_DECRYPT;
- if (post_read_steps) {
+ if (f2fs_need_verity(inode, first_idx))
+ post_read_steps |= STEP_VERITY;
+
+ /*
+ * STEP_DECOMPRESS is handled specially, since a compressed file might
+ * contain both compressed and uncompressed clusters. We'll allocate a
+ * bio_post_read_ctx if the file is compressed, but the caller is
+ * responsible for enabling STEP_DECOMPRESS if it's actually needed.
+ */
+
+ if (post_read_steps || f2fs_compressed_file(inode)) {
/* Due to the mempool, this never fails. */
ctx = mempool_alloc(bio_post_read_ctx_pool, GFP_NOFS);
ctx->bio = bio;
@@ -1065,13 +1025,6 @@ static struct bio *f2fs_grab_read_bio(struct inode *inode, block_t blkaddr,
return bio;
}
-static void f2fs_release_read_bio(struct bio *bio)
-{
- if (bio->bi_private)
- mempool_free(bio->bi_private, bio_post_read_ctx_pool);
- bio_put(bio);
-}
-
/* This can handle encryption stuffs */
static int f2fs_submit_page_read(struct inode *inode, struct page *page,
block_t blkaddr, int op_flags, bool for_write)
@@ -1080,7 +1033,7 @@ static int f2fs_submit_page_read(struct inode *inode, struct page *page,
struct bio *bio;
bio = f2fs_grab_read_bio(inode, blkaddr, 1, op_flags,
- page->index, for_write, true);
+ page->index, for_write);
if (IS_ERR(bio))
return PTR_ERR(bio);
@@ -1154,6 +1107,7 @@ int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
for (; count > 0; dn->ofs_in_node++) {
block_t blkaddr = f2fs_data_blkaddr(dn);
+
if (blkaddr == NULL_ADDR) {
dn->data_blkaddr = NEW_ADDR;
__set_data_blkaddr(dn);
@@ -1418,9 +1372,11 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)
old_blkaddr = dn->data_blkaddr;
f2fs_allocate_data_block(sbi, NULL, old_blkaddr, &dn->data_blkaddr,
&sum, seg_type, NULL);
- if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO)
+ if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) {
invalidate_mapping_pages(META_MAPPING(sbi),
old_blkaddr, old_blkaddr);
+ f2fs_invalidate_compress_page(sbi, old_blkaddr);
+ }
f2fs_update_data_blkaddr(dn, dn->data_blkaddr);
/*
@@ -1765,6 +1721,16 @@ bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len)
return true;
}
+static inline u64 bytes_to_blks(struct inode *inode, u64 bytes)
+{
+ return (bytes >> inode->i_blkbits);
+}
+
+static inline u64 blks_to_bytes(struct inode *inode, u64 blks)
+{
+ return (blks << inode->i_blkbits);
+}
+
static int __get_data_block(struct inode *inode, sector_t iblock,
struct buffer_head *bh, int create, int flag,
pgoff_t *next_pgofs, int seg_type, bool may_write)
@@ -1773,7 +1739,7 @@ static int __get_data_block(struct inode *inode, sector_t iblock,
int err;
map.m_lblk = iblock;
- map.m_len = bh->b_size >> inode->i_blkbits;
+ map.m_len = bytes_to_blks(inode, bh->b_size);
map.m_next_pgofs = next_pgofs;
map.m_next_extent = NULL;
map.m_seg_type = seg_type;
@@ -1783,27 +1749,18 @@ static int __get_data_block(struct inode *inode, sector_t iblock,
if (!err) {
map_bh(bh, inode->i_sb, map.m_pblk);
bh->b_state = (bh->b_state & ~F2FS_MAP_FLAGS) | map.m_flags;
- bh->b_size = (u64)map.m_len << inode->i_blkbits;
+ bh->b_size = blks_to_bytes(inode, map.m_len);
}
return err;
}
-static int get_data_block(struct inode *inode, sector_t iblock,
- struct buffer_head *bh_result, int create, int flag,
- pgoff_t *next_pgofs)
-{
- return __get_data_block(inode, iblock, bh_result, create,
- flag, next_pgofs,
- NO_CHECK_TYPE, create);
-}
-
static int get_data_block_dio_write(struct inode *inode, sector_t iblock,
struct buffer_head *bh_result, int create)
{
return __get_data_block(inode, iblock, bh_result, create,
F2FS_GET_BLOCK_DIO, NULL,
f2fs_rw_hint_to_seg_type(inode->i_write_hint),
- IS_SWAPFILE(inode) ? false : true);
+ true);
}
static int get_data_block_dio(struct inode *inode, sector_t iblock,
@@ -1815,24 +1772,6 @@ static int get_data_block_dio(struct inode *inode, sector_t iblock,
false);
}
-static int get_data_block_bmap(struct inode *inode, sector_t iblock,
- struct buffer_head *bh_result, int create)
-{
- return __get_data_block(inode, iblock, bh_result, create,
- F2FS_GET_BLOCK_BMAP, NULL,
- NO_CHECK_TYPE, create);
-}
-
-static inline sector_t logical_to_blk(struct inode *inode, loff_t offset)
-{
- return (offset >> inode->i_blkbits);
-}
-
-static inline loff_t blk_to_logical(struct inode *inode, sector_t blk)
-{
- return (blk << inode->i_blkbits);
-}
-
static int f2fs_xattr_fiemap(struct inode *inode,
struct fiemap_extent_info *fieinfo)
{
@@ -1858,7 +1797,7 @@ static int f2fs_xattr_fiemap(struct inode *inode,
return err;
}
- phys = (__u64)blk_to_logical(inode, ni.blk_addr);
+ phys = blks_to_bytes(inode, ni.blk_addr);
offset = offsetof(struct f2fs_inode, i_addr) +
sizeof(__le32) * (DEF_ADDRS_PER_INODE -
get_inline_xattr_addrs(inode));
@@ -1890,7 +1829,7 @@ static int f2fs_xattr_fiemap(struct inode *inode,
return err;
}
- phys = (__u64)blk_to_logical(inode, ni.blk_addr);
+ phys = blks_to_bytes(inode, ni.blk_addr);
len = inode->i_sb->s_blocksize;
f2fs_put_page(page, 1);
@@ -1928,14 +1867,16 @@ static loff_t max_inode_blocks(struct inode *inode)
int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len)
{
- struct buffer_head map_bh;
+ struct f2fs_map_blocks map;
sector_t start_blk, last_blk;
pgoff_t next_pgofs;
u64 logical = 0, phys = 0, size = 0;
u32 flags = 0;
int ret = 0;
- bool compr_cluster = false;
+ bool compr_cluster = false, compr_appended;
unsigned int cluster_size = F2FS_I(inode)->i_cluster_size;
+ unsigned int count_in_cluster = 0;
+ loff_t maxbytes;
if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) {
ret = f2fs_precache_extents(inode);
@@ -1949,6 +1890,15 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
inode_lock(inode);
+ maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS;
+ if (start > maxbytes) {
+ ret = -EFBIG;
+ goto out;
+ }
+
+ if (len > maxbytes || (maxbytes - len) < start)
+ len = maxbytes - start;
+
if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) {
ret = f2fs_xattr_fiemap(inode, fieinfo);
goto out;
@@ -1960,36 +1910,49 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
goto out;
}
- if (logical_to_blk(inode, len) == 0)
- len = blk_to_logical(inode, 1);
+ if (bytes_to_blks(inode, len) == 0)
+ len = blks_to_bytes(inode, 1);
- start_blk = logical_to_blk(inode, start);
- last_blk = logical_to_blk(inode, start + len - 1);
+ start_blk = bytes_to_blks(inode, start);
+ last_blk = bytes_to_blks(inode, start + len - 1);
next:
- memset(&map_bh, 0, sizeof(struct buffer_head));
- map_bh.b_size = len;
+ memset(&map, 0, sizeof(map));
+ map.m_lblk = start_blk;
+ map.m_len = bytes_to_blks(inode, len);
+ map.m_next_pgofs = &next_pgofs;
+ map.m_seg_type = NO_CHECK_TYPE;
- if (compr_cluster)
- map_bh.b_size = blk_to_logical(inode, cluster_size - 1);
+ if (compr_cluster) {
+ map.m_lblk += 1;
+ map.m_len = cluster_size - count_in_cluster;
+ }
- ret = get_data_block(inode, start_blk, &map_bh, 0,
- F2FS_GET_BLOCK_FIEMAP, &next_pgofs);
+ ret = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_FIEMAP);
if (ret)
goto out;
/* HOLE */
- if (!buffer_mapped(&map_bh)) {
+ if (!compr_cluster && !(map.m_flags & F2FS_MAP_FLAGS)) {
start_blk = next_pgofs;
- if (blk_to_logical(inode, start_blk) < blk_to_logical(inode,
+ if (blks_to_bytes(inode, start_blk) < blks_to_bytes(inode,
max_inode_blocks(inode)))
goto prep_next;
flags |= FIEMAP_EXTENT_LAST;
}
+ compr_appended = false;
+ /* In a case of compressed cluster, append this to the last extent */
+ if (compr_cluster && ((map.m_flags & F2FS_MAP_UNWRITTEN) ||
+ !(map.m_flags & F2FS_MAP_FLAGS))) {
+ compr_appended = true;
+ goto skip_fill;
+ }
+
if (size) {
+ flags |= FIEMAP_EXTENT_MERGED;
if (IS_ENCRYPTED(inode))
flags |= FIEMAP_EXTENT_DATA_ENCRYPTED;
@@ -2004,39 +1967,37 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
if (start_blk > last_blk)
goto out;
- if (compr_cluster) {
- compr_cluster = false;
-
-
- logical = blk_to_logical(inode, start_blk - 1);
- phys = blk_to_logical(inode, map_bh.b_blocknr);
- size = blk_to_logical(inode, cluster_size);
-
- flags |= FIEMAP_EXTENT_ENCODED;
-
- start_blk += cluster_size - 1;
-
- if (start_blk > last_blk)
- goto out;
-
- goto prep_next;
- }
-
- if (map_bh.b_blocknr == COMPRESS_ADDR) {
+skip_fill:
+ if (map.m_pblk == COMPRESS_ADDR) {
compr_cluster = true;
- start_blk++;
- goto prep_next;
+ count_in_cluster = 1;
+ } else if (compr_appended) {
+ unsigned int appended_blks = cluster_size -
+ count_in_cluster + 1;
+ size += blks_to_bytes(inode, appended_blks);
+ start_blk += appended_blks;
+ compr_cluster = false;
+ } else {
+ logical = blks_to_bytes(inode, start_blk);
+ phys = __is_valid_data_blkaddr(map.m_pblk) ?
+ blks_to_bytes(inode, map.m_pblk) : 0;
+ size = blks_to_bytes(inode, map.m_len);
+ flags = 0;
+
+ if (compr_cluster) {
+ flags = FIEMAP_EXTENT_ENCODED;
+ count_in_cluster += map.m_len;
+ if (count_in_cluster == cluster_size) {
+ compr_cluster = false;
+ size += blks_to_bytes(inode, 1);
+ }
+ } else if (map.m_flags & F2FS_MAP_UNWRITTEN) {
+ flags = FIEMAP_EXTENT_UNWRITTEN;
+ }
+
+ start_blk += bytes_to_blks(inode, size);
}
- logical = blk_to_logical(inode, start_blk);
- phys = blk_to_logical(inode, map_bh.b_blocknr);
- size = map_bh.b_size;
- flags = 0;
- if (buffer_unwritten(&map_bh))
- flags = FIEMAP_EXTENT_UNWRITTEN;
-
- start_blk += logical_to_blk(inode, size);
-
prep_next:
cond_resched();
if (fatal_signal_pending(current))
@@ -2068,8 +2029,7 @@ static int f2fs_read_single_page(struct inode *inode, struct page *page,
bool is_readahead)
{
struct bio *bio = *bio_ret;
- const unsigned blkbits = inode->i_blkbits;
- const unsigned blocksize = 1 << blkbits;
+ const unsigned blocksize = blks_to_bytes(inode, 1);
sector_t block_in_file;
sector_t last_block;
sector_t last_block_in_file;
@@ -2078,8 +2038,8 @@ static int f2fs_read_single_page(struct inode *inode, struct page *page,
block_in_file = (sector_t)page_index(page);
last_block = block_in_file + nr_pages;
- last_block_in_file = (f2fs_readpage_limit(inode) + blocksize - 1) >>
- blkbits;
+ last_block_in_file = bytes_to_blks(inode,
+ f2fs_readpage_limit(inode) + blocksize - 1);
if (last_block > last_block_in_file)
last_block = last_block_in_file;
@@ -2148,7 +2108,7 @@ static int f2fs_read_single_page(struct inode *inode, struct page *page,
if (bio == NULL) {
bio = f2fs_grab_read_bio(inode, block_nr, nr_pages,
is_readahead ? REQ_RAHEAD : 0, page->index,
- false, true);
+ false);
if (IS_ERR(bio)) {
ret = PTR_ERR(bio);
bio = NULL;
@@ -2192,18 +2152,15 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
struct bio *bio = *bio_ret;
unsigned int start_idx = cc->cluster_idx << cc->log_cluster_size;
sector_t last_block_in_file;
- const unsigned blkbits = inode->i_blkbits;
- const unsigned blocksize = 1 << blkbits;
+ const unsigned blocksize = blks_to_bytes(inode, 1);
struct decompress_io_ctx *dic = NULL;
- struct bio_post_read_ctx *ctx;
- bool for_verity = false;
int i;
int ret = 0;
f2fs_bug_on(sbi, f2fs_cluster_is_empty(cc));
- last_block_in_file = (f2fs_readpage_limit(inode) +
- blocksize - 1) >> blkbits;
+ last_block_in_file = bytes_to_blks(inode,
+ f2fs_readpage_limit(inode) + blocksize - 1);
/* get rid of pages beyond EOF */
for (i = 0; i < cc->cluster_size; i++) {
@@ -2264,33 +2221,22 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
goto out_put_dnode;
}
- /*
- * It's possible to enable fsverity on the fly when handling a cluster,
- * which requires complicated error handling. Instead of adding more
- * complexity, let's give a rule where end_io post-processes fsverity
- * per cluster. In order to do that, we need to submit bio, if previous
- * bio sets a different post-process policy.
- */
- if (fsverity_active(cc->inode)) {
- atomic_set(&dic->verity_pages, cc->nr_cpages);
- for_verity = true;
-
- if (bio) {
- ctx = bio->bi_private;
- if (!(ctx->enabled_steps & (1 << STEP_VERITY))) {
- __submit_bio(sbi, bio, DATA);
- bio = NULL;
- }
- }
- }
-
- for (i = 0; i < dic->nr_cpages; i++) {
+ for (i = 0; i < cc->nr_cpages; i++) {
struct page *page = dic->cpages[i];
block_t blkaddr;
+ struct bio_post_read_ctx *ctx;
blkaddr = data_blkaddr(dn.inode, dn.node_page,
dn.ofs_in_node + i + 1);
+ f2fs_wait_on_block_writeback(inode, blkaddr);
+
+ if (f2fs_load_compressed_page(sbi, page, blkaddr)) {
+ if (atomic_dec_and_test(&dic->remaining_pages))
+ f2fs_decompress_cluster(dic);
+ continue;
+ }
+
if (bio && (!page_is_mergeable(sbi, bio,
*last_block_in_bio, blkaddr) ||
!f2fs_crypt_mergeable_bio(bio, inode, page->index, NULL))) {
@@ -2302,46 +2248,22 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
if (!bio) {
bio = f2fs_grab_read_bio(inode, blkaddr, nr_pages,
is_readahead ? REQ_RAHEAD : 0,
- page->index, for_write, for_verity);
+ page->index, for_write);
if (IS_ERR(bio)) {
- unsigned int remained = dic->nr_cpages - i;
- bool release = false;
-
ret = PTR_ERR(bio);
- dic->failed = true;
-
- if (for_verity) {
- if (!atomic_sub_return(remained,
- &dic->verity_pages))
- release = true;
- } else {
- if (!atomic_sub_return(remained,
- &dic->pending_pages))
- release = true;
- }
-
- if (release) {
- f2fs_decompress_end_io(dic->rpages,
- cc->cluster_size, true,
- false);
- f2fs_free_dic(dic);
- }
-
+ f2fs_decompress_end_io(dic, ret);
f2fs_put_dnode(&dn);
*bio_ret = NULL;
return ret;
}
}
- f2fs_wait_on_block_writeback(inode, blkaddr);
-
if (bio_add_page(bio, page, blocksize, 0) < blocksize)
goto submit_and_realloc;
- /* tag STEP_DECOMPRESS to handle IO in wq */
ctx = bio->bi_private;
- if (!(ctx->enabled_steps & (1 << STEP_DECOMPRESS)))
- ctx->enabled_steps |= 1 << STEP_DECOMPRESS;
+ ctx->enabled_steps |= STEP_DECOMPRESS;
+ refcount_inc(&dic->refcnt);
inc_page_count(sbi, F2FS_RD_DATA);
f2fs_update_iostat(sbi, FS_DATA_READ_IO, F2FS_BLKSIZE);
@@ -2358,7 +2280,13 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
out_put_dnode:
f2fs_put_dnode(&dn);
out:
- f2fs_decompress_end_io(cc->rpages, cc->cluster_size, true, false);
+ for (i = 0; i < cc->cluster_size; i++) {
+ if (cc->rpages[i]) {
+ ClearPageUptodate(cc->rpages[i]);
+ ClearPageError(cc->rpages[i]);
+ unlock_page(cc->rpages[i]);
+ }
+ }
*bio_ret = bio;
return ret;
}
@@ -2367,11 +2295,6 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
/*
* This function was originally taken from fs/mpage.c, and customized for f2fs.
* Major change was from block_size == page_size in f2fs by default.
- *
- * Note that the aops->readpages() function is ONLY used for read-ahead. If
- * this function ever deviates from doing just read-ahead, it should either
- * use ->readpage() or do the necessary surgery to decouple ->readpages()
- * from read-ahead.
*/
static int f2fs_mpage_readpages(struct inode *inode,
struct readahead_control *rac, struct page *page)
@@ -2394,7 +2317,6 @@ static int f2fs_mpage_readpages(struct inode *inode,
unsigned nr_pages = rac ? readahead_count(rac) : 1;
unsigned max_nr_pages = nr_pages;
int ret = 0;
- bool drop_ra = false;
map.m_pblk = 0;
map.m_lblk = 0;
@@ -2405,26 +2327,10 @@ static int f2fs_mpage_readpages(struct inode *inode,
map.m_seg_type = NO_CHECK_TYPE;
map.m_may_create = false;
- /*
- * Two readahead threads for same address range can cause race condition
- * which fragments sequential read IOs. So let's avoid each other.
- */
- if (rac && readahead_count(rac)) {
- if (READ_ONCE(F2FS_I(inode)->ra_offset) == readahead_index(rac))
- drop_ra = true;
- else
- WRITE_ONCE(F2FS_I(inode)->ra_offset,
- readahead_index(rac));
- }
-
for (; nr_pages; nr_pages--) {
if (rac) {
page = readahead_page(rac);
prefetchw(&page->flags);
- if (drop_ra) {
- f2fs_put_page(page, 1);
- continue;
- }
}
#ifdef CONFIG_F2FS_FS_COMPRESSION
@@ -2487,9 +2393,6 @@ static int f2fs_mpage_readpages(struct inode *inode,
}
if (bio)
__submit_bio(F2FS_I_SB(inode), bio, DATA);
-
- if (rac && readahead_count(rac) && !drop_ra)
- WRITE_ONCE(F2FS_I(inode)->ra_offset, -1);
return ret;
}
@@ -2610,6 +2513,10 @@ static inline bool check_inplace_update_policy(struct inode *inode,
bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
{
+ /* swap file is migrating in aligned write mode */
+ if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
+ return false;
+
if (f2fs_is_pinned_file(inode))
return true;
@@ -2632,10 +2539,17 @@ bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
return true;
if (f2fs_is_atomic_file(inode))
return true;
+ if (is_sbi_flag_set(sbi, SBI_NEED_FSCK))
+ return true;
+
+ /* swap file is migrating in aligned write mode */
+ if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
+ return true;
+
if (fio) {
- if (is_cold_data(fio->page))
+ if (page_private_gcing(fio->page))
return true;
- if (IS_ATOMIC_WRITTEN_PAGE(fio->page))
+ if (page_private_dummy(fio->page))
return true;
if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED) &&
f2fs_is_checkpointed_data(sbi, fio->old_blkaddr)))
@@ -2691,7 +2605,7 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio)
/* This page is already truncated */
if (fio->old_blkaddr == NULL_ADDR) {
ClearPageUptodate(page);
- clear_cold_data(page);
+ clear_page_private_gcing(page);
goto out_writepage;
}
got_it:
@@ -2901,7 +2815,7 @@ int f2fs_write_single_data_page(struct page *page, int *submitted,
inode_dec_dirty_pages(inode);
if (err) {
ClearPageUptodate(page);
- clear_cold_data(page);
+ clear_page_private_gcing(page);
}
if (wbc->for_reclaim) {
@@ -3218,7 +3132,7 @@ static inline bool __should_serialize_io(struct inode *inode,
if (IS_NOQUOTA(inode))
return false;
- if (f2fs_compressed_file(inode))
+ if (f2fs_need_compress_data(inode))
return true;
if (wbc->sync_mode != WB_SYNC_ALL)
return true;
@@ -3375,7 +3289,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
f2fs_do_read_inline_data(page, ipage);
set_inode_flag(inode, FI_DATA_EXIST);
if (inode->i_nlink)
- set_inline_node(ipage);
+ set_page_private_inline(ipage);
} else {
err = f2fs_convert_inline_page(&dn, page);
if (err)
@@ -3425,6 +3339,22 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
block_t blkaddr = NULL_ADDR;
int err = 0;
+ /*
+ * Should avoid quota operations which can make deadlock:
+ * kswapd -> f2fs_evict_inode -> dquot_drop ->
+ * f2fs_dquot_commit -> f2fs_write_begin ->
+ * d_obtain_alias -> __d_alloc -> kmem_cache_alloc(GFP_KERNEL)
+ */
+ if (trace_android_fs_datawrite_start_enabled() && !IS_NOQUOTA(inode)) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ inode);
+ trace_android_fs_datawrite_start(inode, pos, len,
+ current->pid, path,
+ current->comm);
+ }
trace_f2fs_write_begin(inode, pos, len, flags);
if (!f2fs_is_checkpoint_ready(sbi)) {
@@ -3552,6 +3482,7 @@ static int f2fs_write_end(struct file *file,
{
struct inode *inode = page->mapping->host;
+ trace_android_fs_datawrite_end(inode, pos, len);
trace_f2fs_write_end(inode, pos, len, copied);
/*
@@ -3685,6 +3616,29 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
trace_f2fs_direct_IO_enter(inode, offset, count, rw);
+ if (trace_android_fs_dataread_start_enabled() &&
+ (rw == READ)) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ inode);
+ trace_android_fs_dataread_start(inode, offset,
+ count, current->pid, path,
+ current->comm);
+ }
+ if (trace_android_fs_datawrite_start_enabled() &&
+ (rw == WRITE)) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ inode);
+ trace_android_fs_datawrite_start(inode, offset, count,
+ current->pid, path,
+ current->comm);
+ }
+
if (rw == WRITE && whint_mode == WHINT_MODE_OFF)
iocb->ki_hint = WRITE_LIFE_NOT_SET;
@@ -3740,6 +3694,13 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
}
out:
+ if (trace_android_fs_dataread_start_enabled() &&
+ (rw == READ))
+ trace_android_fs_dataread_end(inode, offset, count);
+ if (trace_android_fs_datawrite_start_enabled() &&
+ (rw == WRITE))
+ trace_android_fs_datawrite_end(inode, offset, count);
+
trace_f2fs_direct_IO_exit(inode, offset, count, rw, err);
return err;
@@ -3766,12 +3727,20 @@ void f2fs_invalidate_page(struct page *page, unsigned int offset,
}
}
- clear_cold_data(page);
+ clear_page_private_gcing(page);
- if (IS_ATOMIC_WRITTEN_PAGE(page))
+ if (test_opt(sbi, COMPRESS_CACHE)) {
+ if (f2fs_compressed_file(inode))
+ f2fs_invalidate_compress_pages(sbi, inode->i_ino);
+ if (inode->i_ino == F2FS_COMPRESS_INO(sbi))
+ clear_page_private_data(page);
+ }
+
+ if (page_private_atomic(page))
return f2fs_drop_inmem_page(inode, page);
- f2fs_clear_page_private(page);
+ detach_page_private(page);
+ set_page_private(page, 0);
}
int f2fs_release_page(struct page *page, gfp_t wait)
@@ -3781,11 +3750,23 @@ int f2fs_release_page(struct page *page, gfp_t wait)
return 0;
/* This is atomic written page, keep Private */
- if (IS_ATOMIC_WRITTEN_PAGE(page))
+ if (page_private_atomic(page))
return 0;
- clear_cold_data(page);
- f2fs_clear_page_private(page);
+ if (test_opt(F2FS_P_SB(page), COMPRESS_CACHE)) {
+ struct f2fs_sb_info *sbi = F2FS_P_SB(page);
+ struct inode *inode = page->mapping->host;
+
+ if (f2fs_compressed_file(inode))
+ f2fs_invalidate_compress_pages(sbi, inode->i_ino);
+ if (inode->i_ino == F2FS_COMPRESS_INO(sbi))
+ clear_page_private_data(page);
+ }
+
+ clear_page_private_gcing(page);
+
+ detach_page_private(page);
+ set_page_private(page, 0);
return 1;
}
@@ -3801,7 +3782,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
return __set_page_dirty_nobuffers(page);
if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) {
- if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
+ if (!page_private_atomic(page)) {
f2fs_register_inmem_page(inode, page);
return 1;
}
@@ -3853,9 +3834,6 @@ static sector_t f2fs_bmap_compress(struct inode *inode, sector_t block)
static sector_t f2fs_bmap(struct address_space *mapping, sector_t block)
{
struct inode *inode = mapping->host;
- struct buffer_head tmp = {
- .b_size = i_blocksize(inode),
- };
sector_t blknr = 0;
if (f2fs_has_inline_data(inode))
@@ -3866,14 +3844,22 @@ static sector_t f2fs_bmap(struct address_space *mapping, sector_t block)
filemap_write_and_wait(mapping);
/* Block number less than F2FS MAX BLOCKS */
- if (unlikely(block >= F2FS_I_SB(inode)->max_file_blocks))
+ if (unlikely(block >= max_file_blocks(inode)))
goto out;
if (f2fs_compressed_file(inode)) {
blknr = f2fs_bmap_compress(inode, block);
} else {
- if (!get_data_block_bmap(inode, block, &tmp, 0))
- blknr = tmp.b_blocknr;
+ struct f2fs_map_blocks map;
+
+ memset(&map, 0, sizeof(map));
+ map.m_lblk = block;
+ map.m_len = 1;
+ map.m_next_pgofs = NULL;
+ map.m_seg_type = NO_CHECK_TYPE;
+
+ if (!f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_BMAP))
+ blknr = map.m_pblk;
}
out:
trace_f2fs_bmap(inode, block, blknr);
@@ -3888,7 +3874,7 @@ int f2fs_migrate_page(struct address_space *mapping,
{
int rc, extra_count;
struct f2fs_inode_info *fi = F2FS_I(mapping->host);
- bool atomic_written = IS_ATOMIC_WRITTEN_PAGE(page);
+ bool atomic_written = page_private_atomic(page);
BUG_ON(PageWriteback(page));
@@ -3912,6 +3898,7 @@ int f2fs_migrate_page(struct address_space *mapping,
if (atomic_written) {
struct inmem_pages *cur;
+
list_for_each_entry(cur, &fi->inmem_pages, list)
if (cur->page == page) {
cur->page = newpage;
@@ -3922,9 +3909,16 @@ int f2fs_migrate_page(struct address_space *mapping,
get_page(newpage);
}
+ /* guarantee to start from no stale private field */
+ set_page_private(newpage, 0);
if (PagePrivate(page)) {
- f2fs_set_page_private(newpage, page_private(page));
- f2fs_clear_page_private(page);
+ set_page_private(newpage, page_private(page));
+ SetPagePrivate(newpage);
+ get_page(newpage);
+
+ set_page_private(page, 0);
+ ClearPagePrivate(page);
+ put_page(page);
}
if (mode != MIGRATE_SYNC_NO_COPY)
@@ -3937,11 +3931,71 @@ int f2fs_migrate_page(struct address_space *mapping,
#endif
#ifdef CONFIG_SWAP
-static int check_swap_activate_fast(struct swap_info_struct *sis,
+static int f2fs_migrate_blocks(struct inode *inode, block_t start_blk,
+ unsigned int blkcnt)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ unsigned int blkofs;
+ unsigned int blk_per_sec = BLKS_PER_SEC(sbi);
+ unsigned int secidx = start_blk / blk_per_sec;
+ unsigned int end_sec = secidx + blkcnt / blk_per_sec;
+ int ret = 0;
+
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_mmap_sem);
+
+ set_inode_flag(inode, FI_ALIGNED_WRITE);
+
+ for (; secidx < end_sec; secidx++) {
+ down_write(&sbi->pin_sem);
+
+ f2fs_lock_op(sbi);
+ f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED, false);
+ f2fs_unlock_op(sbi);
+
+ set_inode_flag(inode, FI_DO_DEFRAG);
+
+ for (blkofs = 0; blkofs < blk_per_sec; blkofs++) {
+ struct page *page;
+ unsigned int blkidx = secidx * blk_per_sec + blkofs;
+
+ page = f2fs_get_lock_data_page(inode, blkidx, true);
+ if (IS_ERR(page)) {
+ up_write(&sbi->pin_sem);
+ ret = PTR_ERR(page);
+ goto done;
+ }
+
+ set_page_dirty(page);
+ f2fs_put_page(page, 1);
+ }
+
+ clear_inode_flag(inode, FI_DO_DEFRAG);
+
+ ret = filemap_fdatawrite(inode->i_mapping);
+
+ up_write(&sbi->pin_sem);
+
+ if (ret)
+ break;
+ }
+
+done:
+ clear_inode_flag(inode, FI_DO_DEFRAG);
+ clear_inode_flag(inode, FI_ALIGNED_WRITE);
+
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+
+ return ret;
+}
+
+static int check_swap_activate(struct swap_info_struct *sis,
struct file *swap_file, sector_t *span)
{
struct address_space *mapping = swap_file->f_mapping;
struct inode *inode = mapping->host;
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
sector_t cur_lblock;
sector_t last_lblock;
sector_t pblock;
@@ -3949,38 +4003,67 @@ static int check_swap_activate_fast(struct swap_info_struct *sis,
sector_t highest_pblock = 0;
int nr_extents = 0;
unsigned long nr_pblocks;
- unsigned long len;
- int ret;
+ unsigned int blks_per_sec = BLKS_PER_SEC(sbi);
+ unsigned int sec_blks_mask = BLKS_PER_SEC(sbi) - 1;
+ unsigned int not_aligned = 0;
+ int ret = 0;
/*
* Map all the blocks into the extent list. This code doesn't try
* to be very smart.
*/
cur_lblock = 0;
- last_lblock = logical_to_blk(inode, i_size_read(inode));
- len = i_size_read(inode);
+ last_lblock = bytes_to_blks(inode, i_size_read(inode));
- while (cur_lblock <= last_lblock && cur_lblock < sis->max) {
- struct buffer_head map_bh;
- pgoff_t next_pgofs;
-
+ while (cur_lblock < last_lblock && cur_lblock < sis->max) {
+ struct f2fs_map_blocks map;
+retry:
cond_resched();
- memset(&map_bh, 0, sizeof(struct buffer_head));
- map_bh.b_size = len - cur_lblock;
+ memset(&map, 0, sizeof(map));
+ map.m_lblk = cur_lblock;
+ map.m_len = last_lblock - cur_lblock;
+ map.m_next_pgofs = NULL;
+ map.m_next_extent = NULL;
+ map.m_seg_type = NO_CHECK_TYPE;
+ map.m_may_create = false;
- ret = get_data_block(inode, cur_lblock, &map_bh, 0,
- F2FS_GET_BLOCK_FIEMAP, &next_pgofs);
+ ret = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_FIEMAP);
if (ret)
- goto err_out;
+ goto out;
/* hole */
- if (!buffer_mapped(&map_bh))
- goto err_out;
+ if (!(map.m_flags & F2FS_MAP_FLAGS)) {
+ f2fs_err(sbi, "Swapfile has holes");
+ ret = -EINVAL;
+ goto out;
+ }
- pblock = map_bh.b_blocknr;
- nr_pblocks = logical_to_blk(inode, map_bh.b_size);
+ pblock = map.m_pblk;
+ nr_pblocks = map.m_len;
+ if ((pblock - SM_I(sbi)->main_blkaddr) & sec_blks_mask ||
+ nr_pblocks & sec_blks_mask) {
+ not_aligned++;
+
+ nr_pblocks = roundup(nr_pblocks, blks_per_sec);
+ if (cur_lblock + nr_pblocks > sis->max)
+ nr_pblocks -= blks_per_sec;
+
+ if (!nr_pblocks) {
+ /* this extent is last one */
+ nr_pblocks = map.m_len;
+ f2fs_warn(sbi, "Swapfile: last extent is not aligned to section");
+ goto next;
+ }
+
+ ret = f2fs_migrate_blocks(inode, cur_lblock,
+ nr_pblocks);
+ if (ret)
+ goto out;
+ goto retry;
+ }
+next:
if (cur_lblock + nr_pblocks >= sis->max)
nr_pblocks = sis->max - cur_lblock;
@@ -4008,112 +4091,10 @@ static int check_swap_activate_fast(struct swap_info_struct *sis,
sis->pages = cur_lblock - 1;
sis->highest_bit = cur_lblock - 1;
out:
+ if (not_aligned)
+ f2fs_warn(sbi, "Swapfile (%u) is not align to section: 1) creat(), 2) ioctl(F2FS_IOC_SET_PIN_FILE), 3) fallocate(%u * N)",
+ not_aligned, blks_per_sec * F2FS_BLKSIZE);
return ret;
-err_out:
- pr_err("swapon: swapfile has holes\n");
- return -EINVAL;
-}
-
-/* Copied from generic_swapfile_activate() to check any holes */
-static int check_swap_activate(struct swap_info_struct *sis,
- struct file *swap_file, sector_t *span)
-{
- struct address_space *mapping = swap_file->f_mapping;
- struct inode *inode = mapping->host;
- unsigned blocks_per_page;
- unsigned long page_no;
- unsigned blkbits;
- sector_t probe_block;
- sector_t last_block;
- sector_t lowest_block = -1;
- sector_t highest_block = 0;
- int nr_extents = 0;
- int ret;
-
- if (PAGE_SIZE == F2FS_BLKSIZE)
- return check_swap_activate_fast(sis, swap_file, span);
-
- blkbits = inode->i_blkbits;
- blocks_per_page = PAGE_SIZE >> blkbits;
-
- /*
- * Map all the blocks into the extent list. This code doesn't try
- * to be very smart.
- */
- probe_block = 0;
- page_no = 0;
- last_block = i_size_read(inode) >> blkbits;
- while ((probe_block + blocks_per_page) <= last_block &&
- page_no < sis->max) {
- unsigned block_in_page;
- sector_t first_block;
- sector_t block = 0;
- int err = 0;
-
- cond_resched();
-
- block = probe_block;
- err = bmap(inode, &block);
- if (err || !block)
- goto bad_bmap;
- first_block = block;
-
- /*
- * It must be PAGE_SIZE aligned on-disk
- */
- if (first_block & (blocks_per_page - 1)) {
- probe_block++;
- goto reprobe;
- }
-
- for (block_in_page = 1; block_in_page < blocks_per_page;
- block_in_page++) {
-
- block = probe_block + block_in_page;
- err = bmap(inode, &block);
-
- if (err || !block)
- goto bad_bmap;
-
- if (block != first_block + block_in_page) {
- /* Discontiguity */
- probe_block++;
- goto reprobe;
- }
- }
-
- first_block >>= (PAGE_SHIFT - blkbits);
- if (page_no) { /* exclude the header page */
- if (first_block < lowest_block)
- lowest_block = first_block;
- if (first_block > highest_block)
- highest_block = first_block;
- }
-
- /*
- * We found a PAGE_SIZE-length, PAGE_SIZE-aligned run of blocks
- */
- ret = add_swap_extent(sis, page_no, 1, first_block);
- if (ret < 0)
- goto out;
- nr_extents += ret;
- page_no++;
- probe_block += blocks_per_page;
-reprobe:
- continue;
- }
- ret = nr_extents;
- *span = 1 + highest_block - lowest_block;
- if (page_no == 0)
- page_no = 1; /* force Empty message */
- sis->max = page_no;
- sis->pages = page_no - 1;
- sis->highest_bit = page_no - 1;
-out:
- return ret;
-bad_bmap:
- pr_err("swapon: swapfile has holes\n");
- return -EINVAL;
}
static int f2fs_swap_activate(struct swap_info_struct *sis, struct file *file,
@@ -4141,12 +4122,13 @@ static int f2fs_swap_activate(struct swap_info_struct *sis, struct file *file,
if (!f2fs_disable_compressed_file(inode))
return -EINVAL;
+ f2fs_precache_extents(inode);
+
ret = check_swap_activate(sis, file, span);
if (ret < 0)
return ret;
set_inode_flag(inode, FI_PIN_FILE);
- f2fs_precache_extents(inode);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return ret;
}
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 197c914..53ed1e9 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -120,6 +120,13 @@ static void update_general_status(struct f2fs_sb_info *sbi)
atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt);
si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks;
}
+ si->nr_issued_ckpt = atomic_read(&sbi->cprc_info.issued_ckpt);
+ si->nr_total_ckpt = atomic_read(&sbi->cprc_info.total_ckpt);
+ si->nr_queued_ckpt = atomic_read(&sbi->cprc_info.queued_ckpt);
+ spin_lock(&sbi->cprc_info.stat_lock);
+ si->cur_ckpt_time = sbi->cprc_info.cur_time;
+ si->peak_ckpt_time = sbi->cprc_info.peak_time;
+ spin_unlock(&sbi->cprc_info.stat_lock);
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
@@ -145,6 +152,12 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->node_pages = NODE_MAPPING(sbi)->nrpages;
if (sbi->meta_inode)
si->meta_pages = META_MAPPING(sbi)->nrpages;
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (sbi->compress_inode) {
+ si->compress_pages = COMPRESS_MAPPING(sbi)->nrpages;
+ si->compress_page_hit = atomic_read(&sbi->compress_page_hit);
+ }
+#endif
si->nats = NM_I(sbi)->nat_cnt[TOTAL_NAT];
si->dirty_nats = NM_I(sbi)->nat_cnt[DIRTY_NAT];
si->sits = MAIN_SEGS(sbi);
@@ -166,6 +179,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->util_invalid = 50 - si->util_free - si->util_valid;
for (i = CURSEG_HOT_DATA; i < NO_CHECK_TYPE; i++) {
struct curseg_info *curseg = CURSEG_I(sbi, i);
+
si->curseg[i] = curseg->segno;
si->cursec[i] = GET_SEC_FROM_SEG(sbi, curseg->segno);
si->curzone[i] = GET_ZONE_FROM_SEC(sbi, si->cursec[i]);
@@ -293,12 +307,20 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
si->page_mem = 0;
if (sbi->node_inode) {
unsigned npages = NODE_MAPPING(sbi)->nrpages;
+
si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
}
if (sbi->meta_inode) {
unsigned npages = META_MAPPING(sbi)->nrpages;
+
si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
}
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (sbi->compress_inode) {
+ unsigned npages = COMPRESS_MAPPING(sbi)->nrpages;
+ si->page_mem += (unsigned long long)npages << PAGE_SHIFT;
+ }
+#endif
}
static int stat_show(struct seq_file *s, void *v)
@@ -417,12 +439,26 @@ static int stat_show(struct seq_file *s, void *v)
si->meta_count[META_NAT]);
seq_printf(s, " - ssa blocks : %u\n",
si->meta_count[META_SSA]);
+ seq_printf(s, "CP merge (Queued: %4d, Issued: %4d, Total: %4d, "
+ "Cur time: %4d(ms), Peak time: %4d(ms))\n",
+ si->nr_queued_ckpt, si->nr_issued_ckpt,
+ si->nr_total_ckpt, si->cur_ckpt_time,
+ si->peak_ckpt_time);
seq_printf(s, "GC calls: %d (BG: %d)\n",
si->call_count, si->bg_gc);
seq_printf(s, " - data segments : %d (%d)\n",
si->data_segs, si->bg_data_segs);
seq_printf(s, " - node segments : %d (%d)\n",
si->node_segs, si->bg_node_segs);
+ seq_printf(s, " - Reclaimed segs : Normal (%d), Idle CB (%d), "
+ "Idle Greedy (%d), Idle AT (%d), "
+ "Urgent High (%d), Urgent Low (%d)\n",
+ si->sbi->gc_reclaimed_segs[GC_NORMAL],
+ si->sbi->gc_reclaimed_segs[GC_IDLE_CB],
+ si->sbi->gc_reclaimed_segs[GC_IDLE_GREEDY],
+ si->sbi->gc_reclaimed_segs[GC_IDLE_AT],
+ si->sbi->gc_reclaimed_segs[GC_URGENT_HIGH],
+ si->sbi->gc_reclaimed_segs[GC_URGENT_LOW]);
seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks,
si->bg_data_blks + si->bg_node_blks);
seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks,
@@ -461,6 +497,7 @@ static int stat_show(struct seq_file *s, void *v)
"volatile IO: %4d (Max. %4d)\n",
si->inmem_pages, si->aw_cnt, si->max_aw_cnt,
si->vw_cnt, si->max_vw_cnt);
+ seq_printf(s, " - compress: %4d, hit:%8d\n", si->compress_pages, si->compress_page_hit);
seq_printf(s, " - nodes: %4d in %4d\n",
si->ndirty_node, si->node_pages);
seq_printf(s, " - dents: %4d in dirs:%4d (%4d)\n",
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 6694298..032ae45 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -5,6 +5,7 @@
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*/
+#include <asm/unaligned.h>
#include <linux/fs.h>
#include <linux/f2fs_fs.h>
#include <linux/sched/signal.h>
@@ -15,6 +16,10 @@
#include "xattr.h"
#include <trace/events/f2fs.h>
+#ifdef CONFIG_UNICODE
+extern struct kmem_cache *f2fs_cf_name_slab;
+#endif
+
static unsigned long dir_blocks(struct inode *inode)
{
return ((unsigned long long) (i_size_read(inode) + PAGE_SIZE - 1))
@@ -76,11 +81,10 @@ int f2fs_init_casefolded_name(const struct inode *dir,
{
#ifdef CONFIG_UNICODE
struct super_block *sb = dir->i_sb;
- struct f2fs_sb_info *sbi = F2FS_SB(sb);
if (IS_CASEFOLDED(dir)) {
- fname->cf_name.name = f2fs_kmalloc(sbi, F2FS_NAME_LEN,
- GFP_NOFS);
+ fname->cf_name.name = kmem_cache_alloc(f2fs_cf_name_slab,
+ GFP_NOFS);
if (!fname->cf_name.name)
return -ENOMEM;
fname->cf_name.len = utf8_casefold(sb->s_encoding,
@@ -88,7 +92,7 @@ int f2fs_init_casefolded_name(const struct inode *dir,
fname->cf_name.name,
F2FS_NAME_LEN);
if ((int)fname->cf_name.len <= 0) {
- kfree(fname->cf_name.name);
+ kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
fname->cf_name.name = NULL;
if (sb_has_strict_encoding(sb))
return -EINVAL;
@@ -171,8 +175,10 @@ void f2fs_free_filename(struct f2fs_filename *fname)
fname->crypto_buf.name = NULL;
#endif
#ifdef CONFIG_UNICODE
- kfree(fname->cf_name.name);
- fname->cf_name.name = NULL;
+ if (fname->cf_name.name) {
+ kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
+ fname->cf_name.name = NULL;
+ }
#endif
}
@@ -206,30 +212,55 @@ static struct f2fs_dir_entry *find_in_block(struct inode *dir,
/*
* Test whether a case-insensitive directory entry matches the filename
* being searched for.
+ *
+ * Returns 1 for a match, 0 for no match, and -errno on an error.
*/
-static bool f2fs_match_ci_name(const struct inode *dir, const struct qstr *name,
+static int f2fs_match_ci_name(const struct inode *dir, const struct qstr *name,
const u8 *de_name, u32 de_name_len)
{
const struct super_block *sb = dir->i_sb;
const struct unicode_map *um = sb->s_encoding;
+ struct fscrypt_str decrypted_name = FSTR_INIT(NULL, de_name_len);
struct qstr entry = QSTR_INIT(de_name, de_name_len);
int res;
- res = utf8_strncasecmp_folded(um, name, &entry);
- if (res < 0) {
- /*
- * In strict mode, ignore invalid names. In non-strict mode,
- * fall back to treating them as opaque byte sequences.
- */
- if (sb_has_strict_encoding(sb) || name->len != entry.len)
- return false;
- return !memcmp(name->name, entry.name, name->len);
+ if (IS_ENCRYPTED(dir)) {
+ const struct fscrypt_str encrypted_name =
+ FSTR_INIT((u8 *)de_name, de_name_len);
+
+ if (WARN_ON_ONCE(!fscrypt_has_encryption_key(dir)))
+ return -EINVAL;
+
+ decrypted_name.name = kmalloc(de_name_len, GFP_KERNEL);
+ if (!decrypted_name.name)
+ return -ENOMEM;
+ res = fscrypt_fname_disk_to_usr(dir, 0, 0, &encrypted_name,
+ &decrypted_name);
+ if (res < 0)
+ goto out;
+ entry.name = decrypted_name.name;
+ entry.len = decrypted_name.len;
}
- return res == 0;
+
+ res = utf8_strncasecmp_folded(um, name, &entry);
+ /*
+ * In strict mode, ignore invalid names. In non-strict mode,
+ * fall back to treating them as opaque byte sequences.
+ */
+ if (res < 0 && !sb_has_strict_encoding(sb)) {
+ res = name->len == entry.len &&
+ memcmp(name->name, entry.name, name->len) == 0;
+ } else {
+ /* utf8_strncasecmp_folded returns 0 on match */
+ res = (res == 0);
+ }
+out:
+ kfree(decrypted_name.name);
+ return res;
}
#endif /* CONFIG_UNICODE */
-static inline bool f2fs_match_name(const struct inode *dir,
+static inline int f2fs_match_name(const struct inode *dir,
const struct f2fs_filename *fname,
const u8 *de_name, u32 de_name_len)
{
@@ -256,6 +287,7 @@ struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
struct f2fs_dir_entry *de;
unsigned long bit_pos = 0;
int max_len = 0;
+ int res = 0;
if (max_slots)
*max_slots = 0;
@@ -273,10 +305,15 @@ struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
continue;
}
- if (de->hash_code == fname->hash &&
- f2fs_match_name(d->inode, fname, d->filename[bit_pos],
- le16_to_cpu(de->name_len)))
- goto found;
+ if (de->hash_code == fname->hash) {
+ res = f2fs_match_name(d->inode, fname,
+ d->filename[bit_pos],
+ le16_to_cpu(de->name_len));
+ if (res < 0)
+ return ERR_PTR(res);
+ if (res)
+ goto found;
+ }
if (max_slots && max_len > *max_slots)
*max_slots = max_len;
@@ -326,7 +363,11 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir,
}
de = find_in_block(dir, dentry_page, fname, &max_slots);
- if (de) {
+ if (IS_ERR(de)) {
+ *res_page = ERR_CAST(de);
+ de = NULL;
+ break;
+ } else if (de) {
*res_page = dentry_page;
break;
}
@@ -437,6 +478,7 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
struct page *page, struct inode *inode)
{
enum page_type type = f2fs_has_inline_dentry(dir) ? NODE : DATA;
+
lock_page(page);
f2fs_wait_on_page_writeback(page, type, true, true);
de->ino = cpu_to_le32(inode->i_ino);
@@ -448,17 +490,39 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
f2fs_put_page(page, 1);
}
-static void init_dent_inode(const struct f2fs_filename *fname,
+static void init_dent_inode(struct inode *dir, struct inode *inode,
+ const struct f2fs_filename *fname,
struct page *ipage)
{
struct f2fs_inode *ri;
+ if (!fname) /* tmpfile case? */
+ return;
+
f2fs_wait_on_page_writeback(ipage, NODE, true, true);
/* copy name info. to this inode page */
ri = F2FS_INODE(ipage);
ri->i_namelen = cpu_to_le32(fname->disk_name.len);
memcpy(ri->i_name, fname->disk_name.name, fname->disk_name.len);
+ if (IS_ENCRYPTED(dir)) {
+ file_set_enc_name(inode);
+ /*
+ * Roll-forward recovery doesn't have encryption keys available,
+ * so it can't compute the dirhash for encrypted+casefolded
+ * filenames. Append it to i_name if possible. Else, disable
+ * roll-forward recovery of the dentry (i.e., make fsync'ing the
+ * file force a checkpoint) by setting LOST_PINO.
+ */
+ if (IS_CASEFOLDED(dir)) {
+ if (fname->disk_name.len + sizeof(f2fs_hash_t) <=
+ F2FS_NAME_LEN)
+ put_unaligned(fname->hash, (f2fs_hash_t *)
+ &ri->i_name[fname->disk_name.len]);
+ else
+ file_lost_pino(inode);
+ }
+ }
set_page_dirty(ipage);
}
@@ -541,11 +605,7 @@ struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
return page;
}
- if (fname) {
- init_dent_inode(fname, page);
- if (IS_ENCRYPTED(dir))
- file_set_enc_name(inode);
- }
+ init_dent_inode(dir, inode, fname, page);
/*
* This file should be checkpointed during fsync.
@@ -876,11 +936,15 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
!f2fs_truncate_hole(dir, page->index, page->index + 1)) {
f2fs_clear_page_cache_dirty_tag(page);
clear_page_dirty_for_io(page);
- f2fs_clear_page_private(page);
ClearPageUptodate(page);
- clear_cold_data(page);
+
+ clear_page_private_gcing(page);
+
inode_dec_dirty_pages(dir);
f2fs_remove_dirty_inode(dir);
+
+ detach_page_private(page);
+ set_page_private(page, 0);
}
f2fs_put_page(page, 1);
@@ -1026,7 +1090,7 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
int err = 0;
if (IS_ENCRYPTED(inode)) {
- err = fscrypt_get_encryption_info(inode);
+ err = fscrypt_prepare_readdir(inode);
if (err)
goto out;
@@ -1085,28 +1149,13 @@ static int f2fs_readdir(struct file *file, struct dir_context *ctx)
return err < 0 ? err : 0;
}
-static int f2fs_dir_open(struct inode *inode, struct file *filp)
-{
- if (IS_ENCRYPTED(inode))
- return fscrypt_get_encryption_info(inode) ? -EACCES : 0;
- return 0;
-}
-
const struct file_operations f2fs_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.iterate_shared = f2fs_readdir,
.fsync = f2fs_sync_file,
- .open = f2fs_dir_open,
.unlocked_ioctl = f2fs_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = f2fs_compat_ioctl,
#endif
};
-
-#ifdef CONFIG_UNICODE
-const struct dentry_operations f2fs_dentry_ops = {
- .d_hash = generic_ci_d_hash,
- .d_compare = generic_ci_d_compare,
-};
-#endif
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index bc488a7..c9421c8 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -33,10 +33,8 @@
#else
#define f2fs_bug_on(sbi, condition) \
do { \
- if (unlikely(condition)) { \
- WARN_ON(1); \
+ if (WARN_ON(condition)) \
set_sbi_flag(sbi, SBI_NEED_FSCK); \
- } \
} while (0)
#endif
@@ -45,7 +43,6 @@ enum {
FAULT_KVMALLOC,
FAULT_PAGE_ALLOC,
FAULT_PAGE_GET,
- FAULT_ALLOC_BIO,
FAULT_ALLOC_NID,
FAULT_ORPHAN,
FAULT_BLOCK,
@@ -99,6 +96,9 @@ extern const char *f2fs_fault_name[FAULT_MAX];
#define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
#define F2FS_MOUNT_NORECOVERY 0x04000000
#define F2FS_MOUNT_ATGC 0x08000000
+#define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000
+#define F2FS_MOUNT_GC_MERGE 0x20000000
+#define F2FS_MOUNT_COMPRESS_CACHE 0x40000000
#define F2FS_OPTION(sbi) ((sbi)->mount_opt)
#define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
@@ -147,8 +147,11 @@ struct f2fs_mount_info {
/* For compression */
unsigned char compress_algorithm; /* algorithm type */
- unsigned compress_log_size; /* cluster log size */
+ unsigned char compress_log_size; /* cluster log size */
+ unsigned char compress_level; /* compress level */
+ bool compress_chksum; /* compressed data chksum */
unsigned char compress_ext_cnt; /* extension count */
+ int compress_mode; /* compression mode */
unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */
};
@@ -166,6 +169,7 @@ struct f2fs_mount_info {
#define F2FS_FEATURE_SB_CHKSUM 0x0800
#define F2FS_FEATURE_CASEFOLD 0x1000
#define F2FS_FEATURE_COMPRESSION 0x2000
+#define F2FS_FEATURE_RO 0x4000
#define __F2FS_HAS_FEATURE(raw_super, mask) \
((raw_super->feature & cpu_to_le32(mask)) != 0)
@@ -266,6 +270,26 @@ struct fsync_node_entry {
unsigned int seq_id; /* sequence id */
};
+struct ckpt_req {
+ struct completion wait; /* completion for checkpoint done */
+ struct llist_node llnode; /* llist_node to be linked in wait queue */
+ int ret; /* return code of checkpoint */
+ ktime_t queue_time; /* request queued time */
+};
+
+struct ckpt_req_control {
+ struct task_struct *f2fs_issue_ckpt; /* checkpoint task */
+ int ckpt_thread_ioprio; /* checkpoint merge thread ioprio */
+ wait_queue_head_t ckpt_wait_queue; /* waiting queue for wake-up */
+ atomic_t issued_ckpt; /* # of actually issued ckpts */
+ atomic_t total_ckpt; /* # of total ckpts */
+ atomic_t queued_ckpt; /* # of queued ckpts */
+ struct llist_head issue_list; /* list for command issue */
+ spinlock_t stat_lock; /* lock for below checkpoint time stats */
+ unsigned int cur_time; /* cur wait time in msec for currently issued checkpoint */
+ unsigned int peak_time; /* peak wait time in msec until now */
+};
+
/* for the bitmap indicate blocks to be discarded */
struct discard_entry {
struct list_head list; /* list head */
@@ -454,9 +478,11 @@ struct f2fs_filename {
#ifdef CONFIG_UNICODE
/*
* For casefolded directories: the casefolded name, but it's left NULL
- * if the original name is not valid Unicode or if the filesystem is
- * doing an internal operation where usr_fname is also NULL. In these
- * cases we fall back to treating the name as an opaque byte sequence.
+ * if the original name is not valid Unicode, if the directory is both
+ * casefolded and encrypted and its encryption key is unavailable, or if
+ * the filesystem is doing an internal operation where usr_fname is also
+ * NULL. In all these cases we fall back to treating the name as an
+ * opaque byte sequence.
*/
struct fscrypt_str cf_name;
#endif
@@ -614,21 +640,26 @@ enum {
#define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
#define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
-#define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
#define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
-#define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
#define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
+
+#define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
+#define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
#define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
+
#define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
#define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
-#define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT)
+
#define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
#define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
+
#define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
#define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
+
#define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
#define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
#define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
+
#define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
#define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
@@ -674,7 +705,11 @@ enum {
FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */
FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */
FI_COMPRESSED_FILE, /* indicate file's data can be compressed */
+ FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */
FI_MMAP_FILE, /* indicate file was mmapped */
+ FI_ENABLE_COMPRESS, /* enable compression in "user" compression mode */
+ FI_COMPRESS_RELEASED, /* compressed blocks were released */
+ FI_ALIGNED_WRITE, /* enable aligned write */
FI_MAX, /* max flag, never be used */
};
@@ -713,7 +748,6 @@ struct f2fs_inode_info {
struct list_head inmem_pages; /* inmemory pages managed by f2fs */
struct task_struct *inmem_task; /* store inmemory task */
struct mutex inmem_lock; /* lock for inmemory pages */
- pgoff_t ra_offset; /* ongoing readahead offset */
struct extent_tree *extent_tree; /* cached extent_tree entry */
/* avoid racing between foreground op and gc */
@@ -731,6 +765,8 @@ struct f2fs_inode_info {
atomic_t i_compr_blocks; /* # of compressed blocks */
unsigned char i_compress_algorithm; /* algorithm type */
unsigned char i_log_cluster_size; /* log of cluster size */
+ unsigned char i_compress_level; /* compress level (lz4hc,zstd) */
+ unsigned short i_compress_flag; /* compress flag */
unsigned int i_cluster_size; /* cluster size */
};
@@ -834,7 +870,7 @@ struct f2fs_nm_info {
/* NAT cache management */
struct radix_tree_root nat_root;/* root of the nat entry cache */
struct radix_tree_root nat_set_root;/* root of the nat set cache */
- struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */
+ struct rw_semaphore nat_tree_lock; /* protect nat entry tree */
struct list_head nat_entries; /* cached nat entry list (clean) */
spinlock_t nat_list_lock; /* protect clean nat entry list */
unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */
@@ -907,6 +943,7 @@ static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
#define NR_CURSEG_DATA_TYPE (3)
#define NR_CURSEG_NODE_TYPE (3)
#define NR_CURSEG_INMEM_TYPE (2)
+#define NR_CURSEG_RO_TYPE (2)
#define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
#define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
@@ -1214,6 +1251,7 @@ enum {
GC_IDLE_AT,
GC_URGENT_HIGH,
GC_URGENT_LOW,
+ MAX_GC_MODE,
};
enum {
@@ -1247,25 +1285,131 @@ enum fsync_mode {
FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */
};
+enum {
+ COMPR_MODE_FS, /*
+ * automatically compress compression
+ * enabled files
+ */
+ COMPR_MODE_USER, /*
+ * automatical compression is disabled.
+ * user can control the file compression
+ * using ioctls
+ */
+};
+
+static inline int f2fs_test_bit(unsigned int nr, char *addr);
+static inline void f2fs_set_bit(unsigned int nr, char *addr);
+static inline void f2fs_clear_bit(unsigned int nr, char *addr);
+
/*
- * this value is set in page as a private data which indicate that
- * the page is atomically written, and it is in inmem_pages list.
+ * Layout of f2fs page.private:
+ *
+ * Layout A: lowest bit should be 1
+ * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... |
+ * bit 0 PAGE_PRIVATE_NOT_POINTER
+ * bit 1 PAGE_PRIVATE_ATOMIC_WRITE
+ * bit 2 PAGE_PRIVATE_DUMMY_WRITE
+ * bit 3 PAGE_PRIVATE_ONGOING_MIGRATION
+ * bit 4 PAGE_PRIVATE_INLINE_INODE
+ * bit 5 PAGE_PRIVATE_REF_RESOURCE
+ * bit 6- f2fs private data
+ *
+ * Layout B: lowest bit should be 0
+ * page.private is a wrapped pointer.
*/
-#define ATOMIC_WRITTEN_PAGE ((unsigned long)-1)
-#define DUMMY_WRITTEN_PAGE ((unsigned long)-2)
+enum {
+ PAGE_PRIVATE_NOT_POINTER, /* private contains non-pointer data */
+ PAGE_PRIVATE_ATOMIC_WRITE, /* data page from atomic write path */
+ PAGE_PRIVATE_DUMMY_WRITE, /* data page for padding aligned IO */
+ PAGE_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */
+ PAGE_PRIVATE_INLINE_INODE, /* inode page contains inline data */
+ PAGE_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */
+ PAGE_PRIVATE_MAX
+};
-#define IS_ATOMIC_WRITTEN_PAGE(page) \
- (page_private(page) == ATOMIC_WRITTEN_PAGE)
-#define IS_DUMMY_WRITTEN_PAGE(page) \
- (page_private(page) == DUMMY_WRITTEN_PAGE)
+#define PAGE_PRIVATE_GET_FUNC(name, flagname) \
+static inline bool page_private_##name(struct page *page) \
+{ \
+ return PagePrivate(page) && \
+ test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \
+ test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
+}
-#ifdef CONFIG_F2FS_IO_TRACE
-#define IS_IO_TRACED_PAGE(page) \
- (page_private(page) > 0 && \
- page_private(page) < (unsigned long)PID_MAX_LIMIT)
-#else
-#define IS_IO_TRACED_PAGE(page) (0)
-#endif
+#define PAGE_PRIVATE_SET_FUNC(name, flagname) \
+static inline void set_page_private_##name(struct page *page) \
+{ \
+ if (!PagePrivate(page)) { \
+ get_page(page); \
+ SetPagePrivate(page); \
+ set_page_private(page, 0); \
+ } \
+ set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \
+ set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
+}
+
+#define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \
+static inline void clear_page_private_##name(struct page *page) \
+{ \
+ clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
+ if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \
+ set_page_private(page, 0); \
+ if (PagePrivate(page)) { \
+ ClearPagePrivate(page); \
+ put_page(page); \
+ }\
+ } \
+}
+
+PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
+PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE);
+PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
+PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
+PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE);
+PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE);
+
+PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
+PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
+PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
+PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE);
+PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE);
+
+PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
+PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
+PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
+PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE);
+PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE);
+
+static inline unsigned long get_page_private_data(struct page *page)
+{
+ unsigned long data = page_private(page);
+
+ if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data))
+ return 0;
+ return data >> PAGE_PRIVATE_MAX;
+}
+
+static inline void set_page_private_data(struct page *page, unsigned long data)
+{
+ if (!PagePrivate(page)) {
+ get_page(page);
+ SetPagePrivate(page);
+ set_page_private(page, 0);
+ }
+ set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page));
+ page_private(page) |= data << PAGE_PRIVATE_MAX;
+}
+
+static inline void clear_page_private_data(struct page *page)
+{
+ page_private(page) &= (1 << PAGE_PRIVATE_MAX) - 1;
+ if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) {
+ set_page_private(page, 0);
+ if (PagePrivate(page)) {
+ ClearPagePrivate(page);
+ put_page(page);
+ }
+ }
+}
/* For compression */
enum compress_algorithm_type {
@@ -1276,9 +1420,18 @@ enum compress_algorithm_type {
COMPRESS_MAX,
};
-#define COMPRESS_DATA_RESERVED_SIZE 5
+enum compress_flag {
+ COMPRESS_CHKSUM,
+ COMPRESS_MAX_FLAG,
+};
+
+#define COMPRESS_WATERMARK 20
+#define COMPRESS_PERCENT 20
+
+#define COMPRESS_DATA_RESERVED_SIZE 4
struct compress_data {
__le32 clen; /* compressed data size */
+ __le32 chksum; /* compressed data chksum */
__le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */
u8 cdata[]; /* compressed data */
};
@@ -1287,6 +1440,8 @@ struct compress_data {
#define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
+#define COMPRESS_LEVEL_OFFSET 8
+
/* compress context */
struct compress_ctx {
struct inode *inode; /* inode the context belong to */
@@ -1314,7 +1469,7 @@ struct compress_io_ctx {
atomic_t pending_pages; /* in-flight compressed page count */
};
-/* decompress io context for read IO path */
+/* Context for decompressing one cluster on the read IO path */
struct decompress_io_ctx {
u32 magic; /* magic number to indicate page is compressed */
struct inode *inode; /* inode the context belong to */
@@ -1330,11 +1485,37 @@ struct decompress_io_ctx {
struct compress_data *cbuf; /* virtual mapped address on cpages */
size_t rlen; /* valid data length in rbuf */
size_t clen; /* valid data length in cbuf */
- atomic_t pending_pages; /* in-flight compressed page count */
- atomic_t verity_pages; /* in-flight page count for verity */
- bool failed; /* indicate IO error during decompression */
+
+ /*
+ * The number of compressed pages remaining to be read in this cluster.
+ * This is initially nr_cpages. It is decremented by 1 each time a page
+ * has been read (or failed to be read). When it reaches 0, the cluster
+ * is decompressed (or an error is reported).
+ *
+ * If an error occurs before all the pages have been submitted for I/O,
+ * then this will never reach 0. In this case the I/O submitter is
+ * responsible for calling f2fs_decompress_end_io() instead.
+ */
+ atomic_t remaining_pages;
+
+ /*
+ * Number of references to this decompress_io_ctx.
+ *
+ * One reference is held for I/O completion. This reference is dropped
+ * after the pagecache pages are updated and unlocked -- either after
+ * decompression (and verity if enabled), or after an error.
+ *
+ * In addition, each compressed page holds a reference while it is in a
+ * bio. These references are necessary prevent compressed pages from
+ * being freed while they are still in a bio.
+ */
+ refcount_t refcnt;
+
+ bool failed; /* IO error occurred before decompression? */
+ bool need_verity; /* need fs-verity verification after decompression? */
void *private; /* payload buffer for specified decompression algorithm */
void *private2; /* extra payload buffer */
+ struct work_struct verity_work; /* work to verify the decompressed pages */
};
#define NULL_CLUSTER ((unsigned int)(~0))
@@ -1374,13 +1555,14 @@ struct f2fs_sb_info {
int cur_cp_pack; /* remain current cp pack */
spinlock_t cp_lock; /* for flag in ckpt */
struct inode *meta_inode; /* cache meta blocks */
- struct mutex cp_mutex; /* checkpoint procedure lock */
+ struct rw_semaphore cp_global_sem; /* checkpoint procedure lock */
struct rw_semaphore cp_rwsem; /* blocking FS operations */
struct rw_semaphore node_write; /* locking node writes */
struct rw_semaphore node_change; /* locking node change */
wait_queue_head_t cp_wait;
unsigned long last_time[MAX_TIME]; /* to store time in jiffies */
long interval_time[MAX_TIME]; /* to store thresholds */
+ struct ckpt_req_control cprc_info; /* for checkpoint request control */
struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */
@@ -1421,9 +1603,9 @@ struct f2fs_sb_info {
unsigned int total_sections; /* total section count */
unsigned int total_node_count; /* total node block count */
unsigned int total_valid_node_count; /* valid node block count */
- loff_t max_file_blocks; /* max block index of file */
int dir_level; /* directory level */
int readdir_ra; /* readahead inode in readdir */
+ u64 max_io_bytes; /* max io bytes to merge IOs */
block_t user_block_count; /* # of user blocks */
block_t total_valid_block_count; /* # of valid blocks */
@@ -1517,9 +1699,15 @@ struct f2fs_sb_info {
unsigned int node_io_flag;
/* For sysfs suppport */
- struct kobject s_kobj;
+ struct kobject s_kobj; /* /sys/fs/f2fs/<devname> */
struct completion s_kobj_unregister;
+ struct kobject s_stat_kobj; /* /sys/fs/f2fs/<devname>/stat */
+ struct completion s_stat_kobj_unregister;
+
+ struct kobject s_feature_list_kobj; /* /sys/fs/f2fs/<devname>/feature_list */
+ struct completion s_feature_list_kobj_unregister;
+
/* For shrinker support */
struct list_head s_list;
int s_ndevs; /* number of devices */
@@ -1544,9 +1732,24 @@ struct f2fs_sb_info {
struct kmem_cache *inline_xattr_slab; /* inline xattr entry */
unsigned int inline_xattr_slab_size; /* default inline xattr slab size */
+ /* For reclaimed segs statistics per each GC mode */
+ unsigned int gc_segment_mode; /* GC state for reclaimed segments */
+ unsigned int gc_reclaimed_segs[MAX_GC_MODE]; /* Reclaimed segs for each mode */
+
#ifdef CONFIG_F2FS_FS_COMPRESSION
struct kmem_cache *page_array_slab; /* page array entry */
unsigned int page_array_slab_size; /* default page array slab size */
+
+ /* For runtime compression statistics */
+ u64 compr_written_block;
+ u64 compr_saved_block;
+ u32 compr_new_inode;
+
+ /* For compressed block cache */
+ struct inode *compress_inode; /* cache compressed blocks */
+ unsigned int compress_percent; /* cache page percentage */
+ unsigned int compress_watermark; /* cache page watermark */
+ atomic_t compress_page_hit; /* cache hit count */
#endif
};
@@ -1599,13 +1802,6 @@ static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
return sbi->s_ndevs > 1;
}
-/* For write statistics. Suppose sector size is 512 bytes,
- * and the return value is in kbytes. s is of struct f2fs_sb_info.
- */
-#define BD_PART_WRITTEN(s) \
-(((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[STAT_WRITE]) - \
- (s)->sectors_written_start) >> 1)
-
static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
{
unsigned long now = jiffies;
@@ -2146,6 +2342,7 @@ static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
+ void *tmp_ptr = &ckpt->sit_nat_version_bitmap;
int offset;
if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
@@ -2155,7 +2352,7 @@ static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
* if large_nat_bitmap feature is enabled, leave checksum
* protection for all nat/sit bitmaps.
*/
- return &ckpt->sit_nat_version_bitmap + offset + sizeof(__le32);
+ return tmp_ptr + offset + sizeof(__le32);
}
if (__cp_payload(sbi) > 0) {
@@ -2166,7 +2363,7 @@ static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
} else {
offset = (flag == NAT_BITMAP) ?
le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
- return &ckpt->sit_nat_version_bitmap + offset;
+ return tmp_ptr + offset;
}
}
@@ -2405,24 +2602,31 @@ static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
return entry;
}
-static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
+static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type)
{
- if (sbi->gc_mode == GC_URGENT_HIGH)
- return true;
-
if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
get_pages(sbi, F2FS_WB_CP_DATA) ||
get_pages(sbi, F2FS_DIO_READ) ||
get_pages(sbi, F2FS_DIO_WRITE))
- return false;
+ return true;
if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info &&
atomic_read(&SM_I(sbi)->dcc_info->queued_discard))
- return false;
+ return true;
if (SM_I(sbi) && SM_I(sbi)->fcc_info &&
atomic_read(&SM_I(sbi)->fcc_info->queued_flush))
+ return true;
+ return false;
+}
+
+static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
+{
+ if (sbi->gc_mode == GC_URGENT_HIGH)
+ return true;
+
+ if (is_inflight_io(sbi, type))
return false;
if (sbi->gc_mode == GC_URGENT_LOW &&
@@ -2598,6 +2802,7 @@ static inline void __mark_inode_dirty_flag(struct inode *inode,
case FI_DATA_EXIST:
case FI_INLINE_DOTS:
case FI_PIN_FILE:
+ case FI_COMPRESS_RELEASED:
f2fs_mark_inode_dirty_sync(inode, true);
}
}
@@ -2719,6 +2924,8 @@ static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
set_bit(FI_EXTRA_ATTR, fi->flags);
if (ri->i_inline & F2FS_PIN_FILE)
set_bit(FI_PIN_FILE, fi->flags);
+ if (ri->i_inline & F2FS_COMPRESS_RELEASED)
+ set_bit(FI_COMPRESS_RELEASED, fi->flags);
}
static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
@@ -2739,6 +2946,8 @@ static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
ri->i_inline |= F2FS_EXTRA_ATTR;
if (is_inode_flag_set(inode, FI_PIN_FILE))
ri->i_inline |= F2FS_PIN_FILE;
+ if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
+ ri->i_inline |= F2FS_COMPRESS_RELEASED;
}
static inline int f2fs_has_extra_attr(struct inode *inode)
@@ -2757,6 +2966,22 @@ static inline int f2fs_compressed_file(struct inode *inode)
is_inode_flag_set(inode, FI_COMPRESSED_FILE);
}
+static inline bool f2fs_need_compress_data(struct inode *inode)
+{
+ int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode;
+
+ if (!f2fs_compressed_file(inode))
+ return false;
+
+ if (compress_mode == COMPR_MODE_FS)
+ return true;
+ else if (compress_mode == COMPR_MODE_USER &&
+ is_inode_flag_set(inode, FI_ENABLE_COMPRESS))
+ return true;
+
+ return false;
+}
+
static inline unsigned int addrs_per_inode(struct inode *inode)
{
unsigned int addrs = CUR_ADDRS_PER_INODE(inode) -
@@ -2931,25 +3156,6 @@ static inline bool is_dot_dotdot(const u8 *name, size_t len)
return false;
}
-static inline bool f2fs_may_extent_tree(struct inode *inode)
-{
- struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
-
- if (!test_opt(sbi, EXTENT_CACHE) ||
- is_inode_flag_set(inode, FI_NO_EXTENT) ||
- is_inode_flag_set(inode, FI_COMPRESSED_FILE))
- return false;
-
- /*
- * for recovered files during mount do not create extents
- * if shrinker is not registered.
- */
- if (list_empty(&sbi->s_list))
- return false;
-
- return S_ISREG(inode->i_mode);
-}
-
static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
size_t size, gfp_t flags)
{
@@ -3073,20 +3279,6 @@ static inline bool __is_valid_data_blkaddr(block_t blkaddr)
return true;
}
-static inline void f2fs_set_page_private(struct page *page,
- unsigned long data)
-{
- if (PagePrivate(page))
- return;
-
- attach_page_private(page, (void *)data);
-}
-
-static inline void f2fs_clear_page_private(struct page *page)
-{
- detach_page_private(page);
-}
-
/*
* file.c
*/
@@ -3192,6 +3384,7 @@ int f2fs_inode_dirtied(struct inode *inode, bool sync);
void f2fs_inode_synced(struct inode *inode);
int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
int f2fs_quota_sync(struct super_block *sb, int type);
+loff_t max_file_blocks(struct inode *inode);
void f2fs_quota_off_umount(struct super_block *sb);
int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
int f2fs_sync_fs(struct super_block *sb, int sync);
@@ -3205,7 +3398,6 @@ void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname);
/*
* node.c
*/
-struct dnode_of_data;
struct node_info;
int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
@@ -3290,7 +3482,7 @@ void f2fs_get_new_segment(struct f2fs_sb_info *sbi,
unsigned int *newseg, bool new_sec, int dir);
void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
unsigned int start, unsigned int end);
-void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type);
+void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
@@ -3374,17 +3566,21 @@ void f2fs_update_dirty_page(struct inode *inode, struct page *page);
void f2fs_remove_dirty_inode(struct inode *inode);
int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type);
+u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi);
int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
int __init f2fs_create_checkpoint_caches(void);
void f2fs_destroy_checkpoint_caches(void);
+int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi);
+int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi);
+void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi);
+void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
/*
* data.c
*/
int __init f2fs_init_bioset(void);
void f2fs_destroy_bioset(void);
-struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, int npages, bool noio);
int f2fs_init_bio_entry_cache(void);
void f2fs_destroy_bio_entry_cache(void);
void f2fs_submit_bio(struct f2fs_sb_info *sbi,
@@ -3492,6 +3688,8 @@ struct f2fs_stat_info {
int nr_discarding, nr_discarded;
int nr_discard_cmd;
unsigned int undiscard_blks;
+ int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt;
+ unsigned int cur_ckpt_time, peak_ckpt_time;
int inline_xattr, inline_inode, inline_dir, append, update, orphans;
int compr_inode;
unsigned long long compr_blocks;
@@ -3500,7 +3698,8 @@ struct f2fs_stat_info {
unsigned int bimodal, avg_vblocks;
int util_free, util_valid, util_invalid;
int rsvd_segs, overp_segs;
- int dirty_count, node_pages, meta_pages;
+ int dirty_count, node_pages, meta_pages, compress_pages;
+ int compress_page_hit;
int prefree_count, call_count, cp_count, bg_cp_count;
int tot_segs, node_segs, data_segs, free_segs, free_secs;
int bg_node_segs, bg_data_segs;
@@ -3677,8 +3876,6 @@ void f2fs_update_sit_info(struct f2fs_sb_info *sbi);
#define stat_dec_compr_inode(inode) do { } while (0)
#define stat_add_compr_blocks(inode, blocks) do { } while (0)
#define stat_sub_compr_blocks(inode, blocks) do { } while (0)
-#define stat_inc_atomic_write(inode) do { } while (0)
-#define stat_dec_atomic_write(inode) do { } while (0)
#define stat_update_max_atomic_write(inode) do { } while (0)
#define stat_inc_volatile_write(inode) do { } while (0)
#define stat_dec_volatile_write(inode) do { } while (0)
@@ -3700,9 +3897,6 @@ static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {}
#endif
extern const struct file_operations f2fs_dir_operations;
-#ifdef CONFIG_UNICODE
-extern const struct dentry_operations f2fs_dentry_ops;
-#endif
extern const struct file_operations f2fs_file_operations;
extern const struct inode_operations f2fs_file_inode_operations;
extern const struct address_space_operations f2fs_dblock_aops;
@@ -3841,7 +4035,9 @@ void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
bool f2fs_is_compress_backend_ready(struct inode *inode);
int f2fs_init_compress_mempool(void);
void f2fs_destroy_compress_mempool(void);
-void f2fs_decompress_pages(struct bio *bio, struct page *page, bool verity);
+void f2fs_decompress_cluster(struct decompress_io_ctx *dic);
+void f2fs_end_read_compressed_page(struct page *page, bool failed,
+ block_t blkaddr);
bool f2fs_cluster_is_empty(struct compress_ctx *cc);
bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
@@ -3854,16 +4050,36 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
unsigned nr_pages, sector_t *last_block_in_bio,
bool is_readahead, bool for_write);
struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
-void f2fs_free_dic(struct decompress_io_ctx *dic);
-void f2fs_decompress_end_io(struct page **rpages,
- unsigned int cluster_size, bool err, bool verity);
+void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed);
+void f2fs_put_page_dic(struct page *page);
int f2fs_init_compress_ctx(struct compress_ctx *cc);
void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse);
void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
+int f2fs_init_compress_inode(struct f2fs_sb_info *sbi);
+void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi);
int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi);
void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi);
int __init f2fs_init_compress_cache(void);
void f2fs_destroy_compress_cache(void);
+struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi);
+void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr);
+void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+ nid_t ino, block_t blkaddr);
+bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
+ block_t blkaddr);
+void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino);
+#define inc_compr_inode_stat(inode) \
+ do { \
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
+ sbi->compr_new_inode++; \
+ } while (0)
+#define add_compr_block_stat(inode, blocks) \
+ do { \
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
+ int diff = F2FS_I(inode)->i_cluster_size - blocks; \
+ sbi->compr_written_block += blocks; \
+ sbi->compr_saved_block += diff; \
+ } while (0)
#else
static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
@@ -3880,10 +4096,31 @@ static inline struct page *f2fs_compress_control_page(struct page *page)
}
static inline int f2fs_init_compress_mempool(void) { return 0; }
static inline void f2fs_destroy_compress_mempool(void) { }
+static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic) { }
+static inline void f2fs_end_read_compressed_page(struct page *page,
+ bool failed, block_t blkaddr)
+{
+ WARN_ON_ONCE(1);
+}
+static inline void f2fs_put_page_dic(struct page *page)
+{
+ WARN_ON_ONCE(1);
+}
+static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; }
+static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { }
static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; }
static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { }
static inline int __init f2fs_init_compress_cache(void) { return 0; }
static inline void f2fs_destroy_compress_cache(void) { }
+static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi,
+ block_t blkaddr) { }
+static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi,
+ struct page *page, nid_t ino, block_t blkaddr) { }
+static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi,
+ struct page *page, block_t blkaddr) { return false; }
+static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi,
+ nid_t ino) { }
+#define inc_compr_inode_stat(inode) do { } while (0)
#endif
static inline void set_compress_context(struct inode *inode)
@@ -3894,11 +4131,20 @@ static inline void set_compress_context(struct inode *inode)
F2FS_OPTION(sbi).compress_algorithm;
F2FS_I(inode)->i_log_cluster_size =
F2FS_OPTION(sbi).compress_log_size;
+ F2FS_I(inode)->i_compress_flag =
+ F2FS_OPTION(sbi).compress_chksum ?
+ 1 << COMPRESS_CHKSUM : 0;
F2FS_I(inode)->i_cluster_size =
1 << F2FS_I(inode)->i_log_cluster_size;
+ if (F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 &&
+ F2FS_OPTION(sbi).compress_level)
+ F2FS_I(inode)->i_compress_flag |=
+ F2FS_OPTION(sbi).compress_level <<
+ COMPRESS_LEVEL_OFFSET;
F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
set_inode_flag(inode, FI_COMPRESSED_FILE);
stat_inc_compr_inode(inode);
+ inc_compr_inode_stat(inode);
f2fs_mark_inode_dirty_sync(inode, true);
}
@@ -3937,6 +4183,27 @@ F2FS_FEATURE_FUNCS(verity, VERITY);
F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
F2FS_FEATURE_FUNCS(compression, COMPRESSION);
+F2FS_FEATURE_FUNCS(readonly, RO);
+
+static inline bool f2fs_may_extent_tree(struct inode *inode)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+ if (!test_opt(sbi, EXTENT_CACHE) ||
+ is_inode_flag_set(inode, FI_NO_EXTENT) ||
+ (is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
+ !f2fs_sb_has_readonly(sbi)))
+ return false;
+
+ /*
+ * for recovered files during mount do not create extents
+ * if shrinker is not registered.
+ */
+ if (list_empty(&sbi->s_list))
+ return false;
+
+ return S_ISREG(inode->i_mode);
+}
#ifdef CONFIG_BLK_DEV_ZONED
static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
@@ -4052,7 +4319,11 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
int rw = iov_iter_rw(iter);
- if (f2fs_post_read_required(inode))
+ if (!fscrypt_dio_supported(iocb, iter))
+ return true;
+ if (fsverity_active(inode))
+ return true;
+ if (f2fs_compressed_file(inode))
return true;
if (f2fs_is_multi_device(sbi))
return true;
@@ -4068,13 +4339,18 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
if (F2FS_IO_ALIGNED(sbi))
return true;
}
- if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED) &&
- !IS_SWAPFILE(inode))
+ if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED))
return true;
return false;
}
+static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx)
+{
+ return fsverity_active(inode) &&
+ idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
+}
+
#ifdef CONFIG_F2FS_FAULT_INJECTION
extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
unsigned int type);
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1fbaab1..71ff671 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -29,7 +29,6 @@
#include "xattr.h"
#include "acl.h"
#include "gc.h"
-#include "trace.h"
#include <trace/events/f2fs.h>
#include <uapi/linux/f2fs.h>
@@ -63,6 +62,9 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
if (unlikely(IS_IMMUTABLE(inode)))
return VM_FAULT_SIGBUS;
+ if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
+ return VM_FAULT_SIGBUS;
+
if (unlikely(f2fs_cp_error(sbi))) {
err = -EIO;
goto err;
@@ -73,6 +75,10 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
goto err;
}
+ err = f2fs_convert_inline_inode(inode);
+ if (err)
+ goto err;
+
#ifdef CONFIG_F2FS_FS_COMPRESSION
if (f2fs_compressed_file(inode)) {
int ret = f2fs_is_compressed_cluster(inode, page->index);
@@ -81,10 +87,6 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
err = ret;
goto err;
} else if (ret) {
- if (ret < F2FS_I(inode)->i_cluster_size) {
- err = -EAGAIN;
- goto err;
- }
need_alloc = false;
}
}
@@ -113,7 +115,6 @@ static vm_fault_t f2fs_vm_page_mkwrite(struct vm_fault *vmf)
f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true);
set_new_dnode(&dn, inode, NULL, NULL, 0);
err = f2fs_get_block(&dn, page->index);
- f2fs_put_dnode(&dn);
f2fs_do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false);
}
@@ -168,6 +169,9 @@ static const struct vm_operations_struct f2fs_file_vm_ops = {
.fault = f2fs_filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = f2fs_vm_page_mkwrite,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ .allow_speculation = filemap_allow_speculation,
+#endif
};
static int get_parent_ino(struct inode *inode, nid_t *pino)
@@ -368,7 +372,6 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
f2fs_update_time(sbi, REQ_TIME);
out:
trace_f2fs_sync_file_exit(inode, cp_reason, datasync, ret);
- f2fs_trace_ios(NULL, 1);
return ret;
}
@@ -485,6 +488,9 @@ static loff_t f2fs_llseek(struct file *file, loff_t offset, int whence)
struct inode *inode = file->f_mapping->host;
loff_t maxbytes = inode->i_sb->s_maxbytes;
+ if (f2fs_compressed_file(inode))
+ maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS;
+
switch (whence) {
case SEEK_SET:
case SEEK_CUR:
@@ -504,7 +510,6 @@ static loff_t f2fs_llseek(struct file *file, loff_t offset, int whence)
static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
struct inode *inode = file_inode(file);
- int err;
if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
return -EIO;
@@ -512,11 +517,6 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
if (!f2fs_is_compress_backend_ready(inode))
return -EOPNOTSUPP;
- /* we don't need to use inline_data strictly */
- err = f2fs_convert_inline_inode(inode);
- if (err)
- return err;
-
file_accessed(file);
vma->vm_ops = &f2fs_file_vm_ops;
set_inode_flag(inode, FI_MMAP_FILE);
@@ -669,7 +669,7 @@ int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock)
free_from = (pgoff_t)F2FS_BLK_ALIGN(from);
- if (free_from >= sbi->max_file_blocks)
+ if (free_from >= max_file_blocks(inode))
goto free_partial;
if (lock)
@@ -964,8 +964,10 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
if (attr->ia_valid & ATTR_MODE) {
err = posix_acl_chmod(inode, f2fs_get_inode_mode(inode));
- if (err || is_inode_flag_set(inode, FI_ACL_MODE)) {
- inode->i_mode = F2FS_I(inode)->i_acl_mode;
+
+ if (is_inode_flag_set(inode, FI_ACL_MODE)) {
+ if (!err)
+ inode->i_mode = F2FS_I(inode)->i_acl_mode;
clear_inode_flag(inode, FI_ACL_MODE);
}
}
@@ -1658,7 +1660,7 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
down_write(&sbi->pin_sem);
f2fs_lock_op(sbi);
- f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED);
+ f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED, false);
f2fs_unlock_op(sbi);
map.m_seg_type = CURSEG_COLD_DATA_PINNED;
@@ -1808,7 +1810,8 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
struct f2fs_inode_info *fi = F2FS_I(inode);
u32 masked_flags = fi->i_flags & mask;
- f2fs_bug_on(F2FS_I_SB(inode), (iflags & ~mask));
+ /* mask can be shrunk by flags_valid selector */
+ iflags &= mask;
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode))
@@ -2248,16 +2251,12 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
switch (in) {
case F2FS_GOING_DOWN_FULLSYNC:
- sb = freeze_bdev(sb->s_bdev);
- if (IS_ERR(sb)) {
- ret = PTR_ERR(sb);
+ ret = freeze_bdev(sb->s_bdev);
+ if (ret)
goto out;
- }
- if (sb) {
- f2fs_stop_checkpoint(sbi, false);
- set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
- thaw_bdev(sb->s_bdev, sb);
- }
+ f2fs_stop_checkpoint(sbi, false);
+ set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
+ thaw_bdev(sb->s_bdev);
break;
case F2FS_GOING_DOWN_METASYNC:
/* do checkpoint only */
@@ -2580,7 +2579,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
{
struct inode *inode = file_inode(filp);
struct f2fs_map_blocks map = { .m_next_extent = NULL,
- .m_seg_type = NO_CHECK_TYPE ,
+ .m_seg_type = NO_CHECK_TYPE,
.m_may_create = false };
struct extent_info ei = {0, 0, 0};
pgoff_t pg_start, pg_end, next_pgofs;
@@ -2747,7 +2746,7 @@ static int f2fs_ioc_defragment(struct file *filp, unsigned long arg)
return -EINVAL;
if (unlikely((range.start + range.len) >> PAGE_SHIFT >
- sbi->max_file_blocks))
+ max_file_blocks(inode)))
return -EINVAL;
err = mnt_want_write_file(filp);
@@ -3310,7 +3309,7 @@ int f2fs_precache_extents(struct inode *inode)
map.m_next_extent = &m_next_extent;
map.m_seg_type = NO_CHECK_TYPE;
map.m_may_create = false;
- end = F2FS_I_SB(inode)->max_file_blocks;
+ end = max_file_blocks(inode);
while (map.m_lblk < end) {
map.m_len = end - map.m_lblk;
@@ -3324,7 +3323,7 @@ int f2fs_precache_extents(struct inode *inode)
map.m_lblk = m_next_extent;
}
- return err;
+ return 0;
}
static int f2fs_ioc_precache_extents(struct file *filp, unsigned long arg)
@@ -3358,7 +3357,7 @@ static int f2fs_ioc_enable_verity(struct file *filp, unsigned long arg)
if (!f2fs_sb_has_verity(F2FS_I_SB(inode))) {
f2fs_warn(F2FS_I_SB(inode),
- "Can't enable fs-verity on inode %lu: the verity feature is not enabled on this filesystem.\n",
+ "Can't enable fs-verity on inode %lu: the verity feature is not enabled on this filesystem",
inode->i_ino);
return -EOPNOTSUPP;
}
@@ -3374,6 +3373,14 @@ static int f2fs_ioc_measure_verity(struct file *filp, unsigned long arg)
return fsverity_ioctl_measure(filp, (void __user *)arg);
}
+static int f2fs_ioc_read_verity_metadata(struct file *filp, unsigned long arg)
+{
+ if (!f2fs_sb_has_verity(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
+
+ return fsverity_ioctl_read_metadata(filp, (const void __user *)arg);
+}
+
static int f2fs_ioc_getfslabel(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
@@ -3538,7 +3545,7 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
goto out;
}
- if (IS_IMMUTABLE(inode)) {
+ if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
ret = -EINVAL;
goto out;
}
@@ -3547,8 +3554,7 @@ static int f2fs_release_compress_blocks(struct file *filp, unsigned long arg)
if (ret)
goto out;
- F2FS_I(inode)->i_flags |= F2FS_IMMUTABLE_FL;
- f2fs_set_inode_flags(inode);
+ set_inode_flag(inode, FI_COMPRESS_RELEASED);
inode->i_ctime = current_time(inode);
f2fs_mark_inode_dirty_sync(inode, true);
@@ -3703,7 +3709,7 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
inode_lock(inode);
- if (!IS_IMMUTABLE(inode)) {
+ if (!is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
ret = -EINVAL;
goto unlock_inode;
}
@@ -3748,8 +3754,7 @@ static int f2fs_reserve_compress_blocks(struct file *filp, unsigned long arg)
up_write(&F2FS_I(inode)->i_mmap_sem);
if (ret >= 0) {
- F2FS_I(inode)->i_flags &= ~F2FS_IMMUTABLE_FL;
- f2fs_set_inode_flags(inode);
+ clear_inode_flag(inode, FI_COMPRESS_RELEASED);
inode->i_ctime = current_time(inode);
f2fs_mark_inode_dirty_sync(inode, true);
}
@@ -3961,6 +3966,263 @@ static int f2fs_sec_trim_file(struct file *filp, unsigned long arg)
return ret;
}
+static int f2fs_ioc_get_compress_option(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_comp_option option;
+
+ if (!f2fs_sb_has_compression(F2FS_I_SB(inode)))
+ return -EOPNOTSUPP;
+
+ inode_lock_shared(inode);
+
+ if (!f2fs_compressed_file(inode)) {
+ inode_unlock_shared(inode);
+ return -ENODATA;
+ }
+
+ option.algorithm = F2FS_I(inode)->i_compress_algorithm;
+ option.log_cluster_size = F2FS_I(inode)->i_log_cluster_size;
+
+ inode_unlock_shared(inode);
+
+ if (copy_to_user((struct f2fs_comp_option __user *)arg, &option,
+ sizeof(option)))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int f2fs_ioc_set_compress_option(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct f2fs_comp_option option;
+ int ret = 0;
+
+ if (!f2fs_sb_has_compression(sbi))
+ return -EOPNOTSUPP;
+
+ if (!(filp->f_mode & FMODE_WRITE))
+ return -EBADF;
+
+ if (copy_from_user(&option, (struct f2fs_comp_option __user *)arg,
+ sizeof(option)))
+ return -EFAULT;
+
+ if (!f2fs_compressed_file(inode) ||
+ option.log_cluster_size < MIN_COMPRESS_LOG_SIZE ||
+ option.log_cluster_size > MAX_COMPRESS_LOG_SIZE ||
+ option.algorithm >= COMPRESS_MAX)
+ return -EINVAL;
+
+ file_start_write(filp);
+ inode_lock(inode);
+
+ if (f2fs_is_mmap_file(inode) || get_dirty_pages(inode)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ if (inode->i_size != 0) {
+ ret = -EFBIG;
+ goto out;
+ }
+
+ F2FS_I(inode)->i_compress_algorithm = option.algorithm;
+ F2FS_I(inode)->i_log_cluster_size = option.log_cluster_size;
+ F2FS_I(inode)->i_cluster_size = 1 << option.log_cluster_size;
+ f2fs_mark_inode_dirty_sync(inode, true);
+
+ if (!f2fs_is_compress_backend_ready(inode))
+ f2fs_warn(sbi, "compression algorithm is successfully set, "
+ "but current kernel doesn't support this algorithm.");
+out:
+ inode_unlock(inode);
+ file_end_write(filp);
+
+ return ret;
+}
+
+static int redirty_blocks(struct inode *inode, pgoff_t page_idx, int len)
+{
+ DEFINE_READAHEAD(ractl, NULL, inode->i_mapping, page_idx);
+ struct address_space *mapping = inode->i_mapping;
+ struct page *page;
+ pgoff_t redirty_idx = page_idx;
+ int i, page_len = 0, ret = 0;
+
+ page_cache_ra_unbounded(&ractl, len, 0);
+
+ for (i = 0; i < len; i++, page_idx++) {
+ page = read_cache_page(mapping, page_idx, NULL, NULL);
+ if (IS_ERR(page)) {
+ ret = PTR_ERR(page);
+ break;
+ }
+ page_len++;
+ }
+
+ for (i = 0; i < page_len; i++, redirty_idx++) {
+ page = find_lock_page(mapping, redirty_idx);
+ if (!page) {
+ ret = -ENOMEM;
+ break;
+ }
+ set_page_dirty(page);
+ f2fs_put_page(page, 1);
+ f2fs_put_page(page, 0);
+ }
+
+ return ret;
+}
+
+static int f2fs_ioc_decompress_file(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ pgoff_t page_idx = 0, last_idx;
+ unsigned int blk_per_seg = sbi->blocks_per_seg;
+ int cluster_size = F2FS_I(inode)->i_cluster_size;
+ int count, ret;
+
+ if (!f2fs_sb_has_compression(sbi) ||
+ F2FS_OPTION(sbi).compress_mode != COMPR_MODE_USER)
+ return -EOPNOTSUPP;
+
+ if (!(filp->f_mode & FMODE_WRITE))
+ return -EBADF;
+
+ if (!f2fs_compressed_file(inode))
+ return -EINVAL;
+
+ f2fs_balance_fs(F2FS_I_SB(inode), true);
+
+ file_start_write(filp);
+ inode_lock(inode);
+
+ if (!f2fs_is_compress_backend_ready(inode)) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (f2fs_is_mmap_file(inode)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
+ if (ret)
+ goto out;
+
+ if (!atomic_read(&fi->i_compr_blocks))
+ goto out;
+
+ last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+
+ count = last_idx - page_idx;
+ while (count) {
+ int len = min(cluster_size, count);
+
+ ret = redirty_blocks(inode, page_idx, len);
+ if (ret < 0)
+ break;
+
+ if (get_dirty_pages(inode) >= blk_per_seg)
+ filemap_fdatawrite(inode->i_mapping);
+
+ count -= len;
+ page_idx += len;
+ }
+
+ if (!ret)
+ ret = filemap_write_and_wait_range(inode->i_mapping, 0,
+ LLONG_MAX);
+
+ if (ret)
+ f2fs_warn(sbi, "%s: The file might be partially decompressed (errno=%d). Please delete the file.",
+ __func__, ret);
+out:
+ inode_unlock(inode);
+ file_end_write(filp);
+
+ return ret;
+}
+
+static int f2fs_ioc_compress_file(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ pgoff_t page_idx = 0, last_idx;
+ unsigned int blk_per_seg = sbi->blocks_per_seg;
+ int cluster_size = F2FS_I(inode)->i_cluster_size;
+ int count, ret;
+
+ if (!f2fs_sb_has_compression(sbi) ||
+ F2FS_OPTION(sbi).compress_mode != COMPR_MODE_USER)
+ return -EOPNOTSUPP;
+
+ if (!(filp->f_mode & FMODE_WRITE))
+ return -EBADF;
+
+ if (!f2fs_compressed_file(inode))
+ return -EINVAL;
+
+ f2fs_balance_fs(F2FS_I_SB(inode), true);
+
+ file_start_write(filp);
+ inode_lock(inode);
+
+ if (!f2fs_is_compress_backend_ready(inode)) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (f2fs_is_mmap_file(inode)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
+ if (ret)
+ goto out;
+
+ set_inode_flag(inode, FI_ENABLE_COMPRESS);
+
+ last_idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+
+ count = last_idx - page_idx;
+ while (count) {
+ int len = min(cluster_size, count);
+
+ ret = redirty_blocks(inode, page_idx, len);
+ if (ret < 0)
+ break;
+
+ if (get_dirty_pages(inode) >= blk_per_seg)
+ filemap_fdatawrite(inode->i_mapping);
+
+ count -= len;
+ page_idx += len;
+ }
+
+ if (!ret)
+ ret = filemap_write_and_wait_range(inode->i_mapping, 0,
+ LLONG_MAX);
+
+ clear_inode_flag(inode, FI_ENABLE_COMPRESS);
+
+ if (ret)
+ f2fs_warn(sbi, "%s: The file might be partially compressed (errno=%d). Please delete the file.",
+ __func__, ret);
+out:
+ inode_unlock(inode);
+ file_end_write(filp);
+
+ return ret;
+}
+
static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
switch (cmd) {
@@ -4032,6 +4294,8 @@ static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return f2fs_ioc_enable_verity(filp, arg);
case FS_IOC_MEASURE_VERITY:
return f2fs_ioc_measure_verity(filp, arg);
+ case FS_IOC_READ_VERITY_METADATA:
+ return f2fs_ioc_read_verity_metadata(filp, arg);
case FS_IOC_GETFSLABEL:
return f2fs_ioc_getfslabel(filp, arg);
case FS_IOC_SETFSLABEL:
@@ -4044,6 +4308,14 @@ static long __f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return f2fs_reserve_compress_blocks(filp, arg);
case F2FS_IOC_SEC_TRIM_FILE:
return f2fs_sec_trim_file(filp, arg);
+ case F2FS_IOC_GET_COMPRESS_OPTION:
+ return f2fs_ioc_get_compress_option(filp, arg);
+ case F2FS_IOC_SET_COMPRESS_OPTION:
+ return f2fs_ioc_set_compress_option(filp, arg);
+ case F2FS_IOC_DECOMPRESS_FILE:
+ return f2fs_ioc_decompress_file(filp, arg);
+ case F2FS_IOC_COMPRESS_FILE:
+ return f2fs_ioc_compress_file(filp, arg);
default:
return -ENOTTY;
}
@@ -4106,6 +4378,11 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
goto unlock;
}
+ if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
+ ret = -EPERM;
+ goto unlock;
+ }
+
ret = generic_write_checks(iocb, from);
if (ret > 0) {
bool preallocated = false;
@@ -4164,8 +4441,13 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
clear_inode_flag(inode, FI_NO_PREALLOC);
/* if we couldn't write data, we should deallocate blocks. */
- if (preallocated && i_size_read(inode) < target_size)
+ if (preallocated && i_size_read(inode) < target_size) {
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_mmap_sem);
f2fs_truncate(inode);
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ }
if (ret > 0)
f2fs_update_iostat(F2FS_I_SB(inode), APP_WRITE_IO, ret);
@@ -4281,12 +4563,17 @@ long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case F2FS_IOC_RESIZE_FS:
case FS_IOC_ENABLE_VERITY:
case FS_IOC_MEASURE_VERITY:
+ case FS_IOC_READ_VERITY_METADATA:
case FS_IOC_GETFSLABEL:
case FS_IOC_SETFSLABEL:
case F2FS_IOC_GET_COMPRESS_BLOCKS:
case F2FS_IOC_RELEASE_COMPRESS_BLOCKS:
case F2FS_IOC_RESERVE_COMPRESS_BLOCKS:
case F2FS_IOC_SEC_TRIM_FILE:
+ case F2FS_IOC_GET_COMPRESS_OPTION:
+ case F2FS_IOC_SET_COMPRESS_OPTION:
+ case F2FS_IOC_DECOMPRESS_FILE:
+ case F2FS_IOC_COMPRESS_FILE:
break;
default:
return -ENOIOCTLCMD;
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 72f227f..05baf72d 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -31,19 +31,24 @@ static int gc_thread_func(void *data)
struct f2fs_sb_info *sbi = data;
struct f2fs_gc_kthread *gc_th = sbi->gc_thread;
wait_queue_head_t *wq = &sbi->gc_thread->gc_wait_queue_head;
+ wait_queue_head_t *fggc_wq = &sbi->gc_thread->fggc_wq;
unsigned int wait_ms;
wait_ms = gc_th->min_sleep_time;
set_freezable();
do {
- bool sync_mode;
+ bool sync_mode, foreground = false;
wait_event_interruptible_timeout(*wq,
kthread_should_stop() || freezing(current) ||
+ waitqueue_active(fggc_wq) ||
gc_th->gc_wake,
msecs_to_jiffies(wait_ms));
+ if (test_opt(sbi, GC_MERGE) && waitqueue_active(fggc_wq))
+ foreground = true;
+
/* give it a try one time */
if (gc_th->gc_wake)
gc_th->gc_wake = 0;
@@ -90,7 +95,10 @@ static int gc_thread_func(void *data)
goto do_gc;
}
- if (!down_write_trylock(&sbi->gc_lock)) {
+ if (foreground) {
+ down_write(&sbi->gc_lock);
+ goto do_gc;
+ } else if (!down_write_trylock(&sbi->gc_lock)) {
stat_other_skip_bggc_count(sbi);
goto next;
}
@@ -107,14 +115,22 @@ static int gc_thread_func(void *data)
else
increase_sleep_time(gc_th, &wait_ms);
do_gc:
- stat_inc_bggc_count(sbi->stat_info);
+ if (!foreground)
+ stat_inc_bggc_count(sbi->stat_info);
sync_mode = F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_SYNC;
+ /* foreground GC was been triggered via f2fs_balance_fs() */
+ if (foreground)
+ sync_mode = false;
+
/* if return value is not zero, no victim was selected */
- if (f2fs_gc(sbi, sync_mode, true, false, NULL_SEGNO))
+ if (f2fs_gc(sbi, sync_mode, !foreground, false, NULL_SEGNO))
wait_ms = gc_th->no_gc_sleep_time;
+ if (foreground)
+ wake_up_all(&gc_th->fggc_wq);
+
trace_f2fs_background_gc(sbi->sb, wait_ms,
prefree_segments(sbi), free_segments(sbi));
@@ -144,10 +160,11 @@ int f2fs_start_gc_thread(struct f2fs_sb_info *sbi)
gc_th->max_sleep_time = DEF_GC_THREAD_MAX_SLEEP_TIME;
gc_th->no_gc_sleep_time = DEF_GC_THREAD_NOGC_SLEEP_TIME;
- gc_th->gc_wake= 0;
+ gc_th->gc_wake = 0;
sbi->gc_thread = gc_th;
init_waitqueue_head(&sbi->gc_thread->gc_wait_queue_head);
+ init_waitqueue_head(&sbi->gc_thread->fggc_wq);
sbi->gc_thread->f2fs_gc_task = kthread_run(gc_thread_func, sbi,
"f2fs_gc-%u:%u", MAJOR(dev), MINOR(dev));
if (IS_ERR(gc_th->f2fs_gc_task)) {
@@ -162,9 +179,11 @@ int f2fs_start_gc_thread(struct f2fs_sb_info *sbi)
void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi)
{
struct f2fs_gc_kthread *gc_th = sbi->gc_thread;
+
if (!gc_th)
return;
kthread_stop(gc_th->f2fs_gc_task);
+ wake_up_all(&gc_th->fggc_wq);
kfree(gc_th);
sbi->gc_thread = NULL;
}
@@ -840,6 +859,7 @@ static void add_gc_inode(struct gc_inode_list *gc_list, struct inode *inode)
static void put_gc_inode(struct gc_inode_list *gc_list)
{
struct inode_entry *ie, *next_ie;
+
list_for_each_entry_safe(ie, next_ie, &gc_list->ilist, list) {
radix_tree_delete(&gc_list->iroot, ie->inode->i_ino);
iput(ie->inode);
@@ -964,9 +984,11 @@ block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode)
bidx = node_ofs - 1;
} else if (node_ofs <= indirect_blks) {
int dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1);
+
bidx = node_ofs - 2 - dec;
} else {
int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
+
bidx = node_ofs - 5 - dec;
}
return bidx * ADDRS_PER_BLOCK(inode) + ADDRS_PER_INODE(inode);
@@ -1009,8 +1031,8 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
if (unlikely(check_valid_map(sbi, segno, offset))) {
if (!test_and_set_bit(segno, SIT_I(sbi)->invalid_segmap)) {
- f2fs_err(sbi, "mismatched blkaddr %u (source_blkaddr %u) in seg %u\n",
- blkaddr, source_blkaddr, segno);
+ f2fs_err(sbi, "mismatched blkaddr %u (source_blkaddr %u) in seg %u",
+ blkaddr, source_blkaddr, segno);
f2fs_bug_on(sbi, 1);
}
}
@@ -1132,7 +1154,8 @@ static int move_data_block(struct inode *inode, block_t bidx,
block_t newaddr;
int err = 0;
bool lfs_mode = f2fs_lfs_mode(fio.sbi);
- int type = fio.sbi->am.atgc_enabled ?
+ int type = fio.sbi->am.atgc_enabled && (gc_type == BG_GC) &&
+ (fio.sbi->gc_mode != GC_URGENT_HIGH) ?
CURSEG_ALL_DATA_ATGC : CURSEG_COLD_DATA;
/* do not read out */
@@ -1181,8 +1204,6 @@ static int move_data_block(struct inode *inode, block_t bidx,
if (err)
goto put_out;
- set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version);
-
/* read page */
fio.page = page;
fio.new_blkaddr = fio.old_blkaddr = dn.data_blkaddr;
@@ -1219,6 +1240,9 @@ static int move_data_block(struct inode *inode, block_t bidx,
}
}
+ set_summary(&sum, dn.nid, dn.ofs_in_node, ni.version);
+
+ /* allocate block address */
f2fs_allocate_data_block(fio.sbi, NULL, fio.old_blkaddr, &newaddr,
&sum, type, NULL);
@@ -1237,6 +1261,7 @@ static int move_data_block(struct inode *inode, block_t bidx,
f2fs_put_page(mpage, 1);
invalidate_mapping_pages(META_MAPPING(fio.sbi),
fio.old_blkaddr, fio.old_blkaddr);
+ f2fs_invalidate_compress_page(fio.sbi, fio.old_blkaddr);
set_page_dirty(fio.encrypted_page);
if (clear_page_dirty_for_io(fio.encrypted_page))
@@ -1245,9 +1270,6 @@ static int move_data_block(struct inode *inode, block_t bidx,
set_page_writeback(fio.encrypted_page);
ClearPageError(page);
- /* allocate block address */
- f2fs_wait_on_page_writeback(dn.node_page, NODE, true, true);
-
fio.op = REQ_OP_WRITE;
fio.op_flags = REQ_SYNC;
fio.new_blkaddr = newaddr;
@@ -1315,7 +1337,7 @@ static int move_data_page(struct inode *inode, block_t bidx, int gc_type,
goto out;
}
set_page_dirty(page);
- set_cold_data(page);
+ set_page_private_gcing(page);
} else {
struct f2fs_io_info fio = {
.sbi = F2FS_I_SB(inode),
@@ -1341,11 +1363,11 @@ static int move_data_page(struct inode *inode, block_t bidx, int gc_type,
f2fs_remove_dirty_inode(inode);
}
- set_cold_data(page);
+ set_page_private_gcing(page);
err = f2fs_do_write_data_page(&fio);
if (err) {
- clear_cold_data(page);
+ clear_page_private_gcing(page);
if (err == -ENOMEM) {
congestion_wait(BLK_RW_ASYNC,
DEFAULT_IO_TIMEOUT);
@@ -1429,10 +1451,8 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
if (phase == 3) {
inode = f2fs_iget(sb, dni.ino);
- if (IS_ERR(inode) || is_bad_inode(inode)) {
- set_sbi_flag(sbi, SBI_NEED_FSCK);
+ if (IS_ERR(inode) || is_bad_inode(inode))
continue;
- }
if (!down_write_trylock(
&F2FS_I(inode)->i_gc_rwsem[WRITE])) {
@@ -1628,6 +1648,7 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
force_migrate);
stat_inc_seg_count(sbi, type, gc_type);
+ sbi->gc_reclaimed_segs[sbi->gc_mode]++;
migrated++;
freed:
@@ -2017,7 +2038,7 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count)
freeze_super(sbi->sb);
down_write(&sbi->gc_lock);
- mutex_lock(&sbi->cp_mutex);
+ down_write(&sbi->cp_global_sem);
spin_lock(&sbi->stat_lock);
if (shrunk_blocks + valid_user_blocks(sbi) +
@@ -2062,7 +2083,7 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count)
spin_unlock(&sbi->stat_lock);
}
out_err:
- mutex_unlock(&sbi->cp_mutex);
+ up_write(&sbi->cp_global_sem);
up_write(&sbi->gc_lock);
thaw_super(sbi->sb);
clear_sbi_flag(sbi, SBI_IS_RESIZEFS);
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 0c8dae1..3fe145e 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -42,6 +42,12 @@ struct f2fs_gc_kthread {
/* for changing gc mode */
unsigned int gc_wake;
+
+ /* for GC_MERGE mount option */
+ wait_queue_head_t fggc_wq; /*
+ * caller of f2fs_balance_fs()
+ * will wait on this wait queue.
+ */
};
struct gc_inode_list {
diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index de841aa..e3beac5 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -111,7 +111,9 @@ void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname)
* If the casefolded name is provided, hash it instead of the
* on-disk name. If the casefolded name is *not* provided, that
* should only be because the name wasn't valid Unicode, so fall
- * back to treating the name as an opaque byte sequence.
+ * back to treating the name as an opaque byte sequence. Note
+ * that to handle encrypted directories, the fallback must use
+ * usr_fname (plaintext) rather than disk_name (ciphertext).
*/
WARN_ON_ONCE(!fname->usr_fname->name);
if (fname->cf_name.name) {
@@ -121,6 +123,13 @@ void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname)
name = fname->usr_fname->name;
len = fname->usr_fname->len;
}
+ if (IS_ENCRYPTED(dir)) {
+ struct qstr tmp = QSTR_INIT(name, len);
+
+ fname->hash =
+ cpu_to_le32(fscrypt_fname_siphash(dir, &tmp));
+ return;
+ }
}
#endif
fname->hash = cpu_to_le32(TEA_hash_name(name, len));
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 1d7dafd..2311c76 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -13,6 +13,7 @@
#include "f2fs.h"
#include "node.h"
#include <trace/events/f2fs.h>
+#include <trace/events/android_fs.h>
bool f2fs_may_inline_data(struct inode *inode)
{
@@ -86,14 +87,29 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page)
{
struct page *ipage;
+ if (trace_android_fs_dataread_start_enabled()) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ inode);
+ trace_android_fs_dataread_start(inode, page_offset(page),
+ PAGE_SIZE, current->pid,
+ path, current->comm);
+ }
+
ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
if (IS_ERR(ipage)) {
+ trace_android_fs_dataread_end(inode, page_offset(page),
+ PAGE_SIZE);
unlock_page(page);
return PTR_ERR(ipage);
}
if (!f2fs_has_inline_data(inode)) {
f2fs_put_page(ipage, 1);
+ trace_android_fs_dataread_end(inode, page_offset(page),
+ PAGE_SIZE);
return -EAGAIN;
}
@@ -105,6 +121,8 @@ int f2fs_read_inline_data(struct inode *inode, struct page *page)
if (!PageUptodate(page))
SetPageUptodate(page);
f2fs_put_page(ipage, 1);
+ trace_android_fs_dataread_end(inode, page_offset(page),
+ PAGE_SIZE);
unlock_page(page);
return 0;
}
@@ -173,7 +191,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
/* clear inline data and flag after data writeback */
f2fs_truncate_inline_inode(dn->inode, dn->inode_page, 0);
- clear_inline_node(dn->inode_page);
+ clear_page_private_inline(dn->inode_page);
clear_out:
stat_dec_inline_inode(dn->inode);
clear_inode_flag(dn->inode, FI_INLINE_DATA);
@@ -188,7 +206,8 @@ int f2fs_convert_inline_inode(struct inode *inode)
struct page *ipage, *page;
int err = 0;
- if (!f2fs_has_inline_data(inode))
+ if (!f2fs_has_inline_data(inode) ||
+ f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb))
return 0;
err = dquot_initialize(inode);
@@ -254,7 +273,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
set_inode_flag(inode, FI_APPEND_WRITE);
set_inode_flag(inode, FI_DATA_EXIST);
- clear_inline_node(dn.inode_page);
+ clear_page_private_inline(dn.inode_page);
f2fs_put_dnode(&dn);
return 0;
}
@@ -271,7 +290,7 @@ int f2fs_recover_inline_data(struct inode *inode, struct page *npage)
* [prev.] [next] of inline_data flag
* o o -> recover inline_data
* o x -> remove inline_data, and then recover data blocks
- * x o -> remove inline_data, and then recover inline_data
+ * x o -> remove data blocks, and then recover inline_data
* x x -> recover data blocks
*/
if (IS_INODE(npage))
@@ -303,6 +322,7 @@ int f2fs_recover_inline_data(struct inode *inode, struct page *npage)
if (IS_ERR(ipage))
return PTR_ERR(ipage);
f2fs_truncate_inline_inode(inode, ipage, 0);
+ stat_dec_inline_inode(inode);
clear_inode_flag(inode, FI_INLINE_DATA);
f2fs_put_page(ipage, 1);
} else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) {
@@ -311,6 +331,7 @@ int f2fs_recover_inline_data(struct inode *inode, struct page *npage)
ret = f2fs_truncate_blocks(inode, 0, false);
if (ret)
return ret;
+ stat_inc_inline_inode(inode);
goto process_inline;
}
return 0;
@@ -337,6 +358,10 @@ struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
make_dentry_ptr_inline(dir, &d, inline_dentry);
de = f2fs_find_target_dentry(&d, fname, NULL);
unlock_page(ipage);
+ if (IS_ERR(de)) {
+ *res_page = ERR_CAST(de);
+ de = NULL;
+ }
if (de)
*res_page = ipage;
else
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index a35fcf4..1213f15 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -18,6 +18,10 @@
#include <trace/events/f2fs.h>
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+extern const struct address_space_operations f2fs_compress_aops;
+#endif
+
void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync)
{
if (is_inode_flag_set(inode, FI_NEW_INODE))
@@ -456,6 +460,7 @@ static int do_read_inode(struct inode *inode)
le64_to_cpu(ri->i_compr_blocks));
fi->i_compress_algorithm = ri->i_compress_algorithm;
fi->i_log_cluster_size = ri->i_log_cluster_size;
+ fi->i_compress_flag = le16_to_cpu(ri->i_compress_flag);
fi->i_cluster_size = 1 << fi->i_log_cluster_size;
set_inode_flag(inode, FI_COMPRESSED_FILE);
}
@@ -493,6 +498,11 @@ struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
if (ino == F2FS_NODE_INO(sbi) || ino == F2FS_META_INO(sbi))
goto make_now;
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (ino == F2FS_COMPRESS_INO(sbi))
+ goto make_now;
+#endif
+
ret = do_read_inode(inode);
if (ret)
goto bad_inode;
@@ -503,6 +513,12 @@ struct inode *f2fs_iget(struct super_block *sb, unsigned long ino)
} else if (ino == F2FS_META_INO(sbi)) {
inode->i_mapping->a_ops = &f2fs_meta_aops;
mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
+ } else if (ino == F2FS_COMPRESS_INO(sbi)) {
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ inode->i_mapping->a_ops = &f2fs_compress_aops;
+#endif
+ mapping_set_gfp_mask(inode->i_mapping,
+ GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE);
} else if (S_ISREG(inode->i_mode)) {
inode->i_op = &f2fs_file_inode_operations;
inode->i_fop = &f2fs_file_operations;
@@ -634,6 +650,8 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page)
&F2FS_I(inode)->i_compr_blocks));
ri->i_compress_algorithm =
F2FS_I(inode)->i_compress_algorithm;
+ ri->i_compress_flag =
+ cpu_to_le16(F2FS_I(inode)->i_compress_flag);
ri->i_log_cluster_size =
F2FS_I(inode)->i_log_cluster_size;
}
@@ -643,7 +661,7 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page)
/* deleted inode */
if (inode->i_nlink == 0)
- clear_inline_node(node_page);
+ clear_page_private_inline(node_page);
F2FS_I(inode)->i_disk_time[0] = inode->i_atime;
F2FS_I(inode)->i_disk_time[1] = inode->i_ctime;
@@ -663,6 +681,7 @@ void f2fs_update_inode_page(struct inode *inode)
node_page = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(node_page)) {
int err = PTR_ERR(node_page);
+
if (err == -ENOMEM) {
cond_resched();
goto retry;
@@ -695,7 +714,7 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
/*
* We need to balance fs here to prevent from producing dirty node pages
- * during the urgent cleaning time when runing out of free sections.
+ * during the urgent cleaning time when running out of free sections.
*/
f2fs_update_inode_page(inode);
if (wbc && wbc->nr_to_write)
@@ -719,8 +738,12 @@ void f2fs_evict_inode(struct inode *inode)
trace_f2fs_evict_inode(inode);
truncate_inode_pages_final(&inode->i_data);
+ if (test_opt(sbi, COMPRESS_CACHE) && f2fs_compressed_file(inode))
+ f2fs_invalidate_compress_pages(sbi, inode->i_ino);
+
if (inode->i_ino == F2FS_NODE_INO(sbi) ||
- inode->i_ino == F2FS_META_INO(sbi))
+ inode->i_ino == F2FS_META_INO(sbi) ||
+ inode->i_ino == F2FS_COMPRESS_INO(sbi))
goto out_clear;
f2fs_bug_on(sbi, get_dirty_pages(inode));
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 6ae2bea..8e7aa2b 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -427,6 +427,7 @@ struct dentry *f2fs_get_parent(struct dentry *child)
struct qstr dotdot = QSTR_INIT("..", 2);
struct page *page;
unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot, &page);
+
if (!ino) {
if (IS_ERR(page))
return ERR_CAST(page);
@@ -505,6 +506,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry,
}
err = f2fs_prepare_lookup(dir, dentry, &fname);
+ generic_set_encrypted_ci_d_ops(dentry);
if (err == -ENOENT)
goto out_splice;
if (err)
@@ -635,6 +637,7 @@ static const char *f2fs_get_link(struct dentry *dentry,
struct delayed_call *done)
{
const char *link = page_get_link(dentry, inode, done);
+
if (!IS_ERR(link) && !*link) {
/* this is broken symlink case */
do_delayed_call(done);
@@ -772,6 +775,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
static int f2fs_rmdir(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = d_inode(dentry);
+
if (f2fs_empty_dir(inode))
return f2fs_unlink(dir, dentry);
return -ENOTEMPTY;
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 7e62580..eed7528 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -17,7 +17,6 @@
#include "node.h"
#include "segment.h"
#include "xattr.h"
-#include "trace.h"
#include <trace/events/f2fs.h>
#define on_f2fs_build_free_nids(nmi) mutex_is_locked(&(nm_i)->build_lock)
@@ -44,11 +43,15 @@ int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid)
bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
+ struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
struct sysinfo val;
unsigned long avail_ram;
unsigned long mem_size = 0;
bool res = false;
+ if (!nm_i)
+ return true;
+
si_meminfo(&val);
/* only uses low memory */
@@ -90,6 +93,24 @@ bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type)
/* it allows 20% / total_ram for inmemory pages */
mem_size = get_pages(sbi, F2FS_INMEM_PAGES);
res = mem_size < (val.totalram / 5);
+ } else if (type == DISCARD_CACHE) {
+ mem_size = (atomic_read(&dcc->discard_cmd_cnt) *
+ sizeof(struct discard_cmd)) >> PAGE_SHIFT;
+ res = mem_size < (avail_ram * nm_i->ram_thresh / 100);
+ } else if (type == COMPRESS_PAGE) {
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ unsigned long free_ram = val.freeram;
+
+ /*
+ * free memory is lower than watermark or cached page count
+ * exceed threshold, deny caching compress page.
+ */
+ res = (free_ram > avail_ram * sbi->compress_watermark / 100) &&
+ (COMPRESS_MAPPING(sbi)->nrpages <
+ free_ram * sbi->compress_percent / 100);
+#else
+ res = false;
+#endif
} else {
if (!sbi->sb->s_bdi->wb.dirty_exceeded)
return true;
@@ -463,6 +484,7 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni,
/* increment version no as node is removed */
if (nat_get_blkaddr(e) != NEW_ADDR && new_blkaddr == NULL_ADDR) {
unsigned char version = nat_get_version(e);
+
nat_set_version(e, inc_node_version(version));
}
@@ -530,7 +552,7 @@ int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
int i;
ni->nid = nid;
-
+retry:
/* Check nat cache */
down_read(&nm_i->nat_tree_lock);
e = __lookup_nat_cache(nm_i, nid);
@@ -542,10 +564,19 @@ int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
return 0;
}
- memset(&ne, 0, sizeof(struct f2fs_nat_entry));
+ /*
+ * Check current segment summary by trying to grab journal_rwsem first.
+ * This sem is on the critical path on the checkpoint requiring the above
+ * nat_tree_lock. Therefore, we should retry, if we failed to grab here
+ * while not bothering checkpoint.
+ */
+ if (!rwsem_is_locked(&sbi->cp_global_sem)) {
+ down_read(&curseg->journal_rwsem);
+ } else if (!down_read_trylock(&curseg->journal_rwsem)) {
+ up_read(&nm_i->nat_tree_lock);
+ goto retry;
+ }
- /* Check current segment summary */
- down_read(&curseg->journal_rwsem);
i = f2fs_lookup_journal_in_cursum(journal, NAT_JOURNAL, nid, 0);
if (i >= 0) {
ne = nat_in_journal(journal, i);
@@ -1384,7 +1415,7 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid,
goto out_err;
}
page_hit:
- if(unlikely(nid != nid_of_node(page))) {
+ if (unlikely(nid != nid_of_node(page))) {
f2fs_warn(sbi, "inconsistent node block, nid:%lu, node_footer[nid:%u,ino:%u,ofs:%u,cpver:%llu,blkaddr:%u]",
nid, nid_of_node(page), ino_of_node(page),
ofs_of_node(page), cpver_of_node(page),
@@ -1777,7 +1808,7 @@ int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
out:
if (nwritten)
f2fs_submit_merged_write_cond(sbi, NULL, NULL, ino, NODE);
- return ret ? -EIO: 0;
+ return ret ? -EIO : 0;
}
static int f2fs_match_ino(struct inode *inode, unsigned long ino, void *data)
@@ -1853,8 +1884,8 @@ void f2fs_flush_inline_data(struct f2fs_sb_info *sbi)
}
/* flush inline_data, if it's async context. */
- if (is_inline_node(page)) {
- clear_inline_node(page);
+ if (page_private_inline(page)) {
+ clear_page_private_inline(page);
unlock_page(page);
flush_inline_data(sbi, ino_of_node(page));
continue;
@@ -1934,8 +1965,8 @@ int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
goto write_node;
/* flush inline_data */
- if (is_inline_node(page)) {
- clear_inline_node(page);
+ if (page_private_inline(page)) {
+ clear_page_private_inline(page);
unlock_page(page);
flush_inline_data(sbi, ino_of_node(page));
goto lock_node;
@@ -2089,8 +2120,7 @@ static int f2fs_set_node_page_dirty(struct page *page)
if (!PageDirty(page)) {
__set_page_dirty_nobuffers(page);
inc_page_count(F2FS_P_SB(page), F2FS_DIRTY_NODES);
- f2fs_set_page_private(page, 0);
- f2fs_trace_pid(page);
+ set_page_private_reference(page);
return 1;
}
return 0;
@@ -2120,8 +2150,8 @@ static int __insert_free_nid(struct f2fs_sb_info *sbi,
struct free_nid *i)
{
struct f2fs_nm_info *nm_i = NM_I(sbi);
-
int err = radix_tree_insert(&nm_i->free_nid_root, i->nid, i);
+
if (err)
return err;
@@ -2595,9 +2625,15 @@ int f2fs_recover_inline_xattr(struct inode *inode, struct page *page)
ri = F2FS_INODE(page);
if (ri->i_inline & F2FS_INLINE_XATTR) {
- set_inode_flag(inode, FI_INLINE_XATTR);
+ if (!f2fs_has_inline_xattr(inode)) {
+ set_inode_flag(inode, FI_INLINE_XATTR);
+ stat_inc_inline_xattr(inode);
+ }
} else {
- clear_inode_flag(inode, FI_INLINE_XATTR);
+ if (f2fs_has_inline_xattr(inode)) {
+ stat_dec_inline_xattr(inode);
+ clear_inode_flag(inode, FI_INLINE_XATTR);
+ }
goto update_inode;
}
@@ -2691,7 +2727,7 @@ int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page)
src = F2FS_INODE(page);
dst = F2FS_INODE(ipage);
- memcpy(dst, src, (unsigned long)&src->i_ext - (unsigned long)src);
+ memcpy(dst, src, offsetof(struct f2fs_inode, i_ext));
dst->i_size = 0;
dst->i_blocks = cpu_to_le64(1);
dst->i_links = cpu_to_le32(1);
@@ -2980,6 +3016,7 @@ int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
while ((found = __gang_lookup_nat_set(nm_i,
set_idx, SETVEC_SIZE, setvec))) {
unsigned idx;
+
set_idx = setvec[found - 1]->set + 1;
for (idx = 0; idx < found; idx++)
__adjust_nat_entry_set(setvec[idx], &sets,
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index f84541b..ff14a6e 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -38,6 +38,9 @@
/* return value for read_node_page */
#define LOCKED_PAGE 1
+/* check pinned file's alignment status of physical blocks */
+#define FILE_NOT_ALIGNED 1
+
/* For flag in struct node_info */
enum {
IS_CHECKPOINTED, /* is it checkpointed before? */
@@ -147,6 +150,8 @@ enum mem_type {
INO_ENTRIES, /* indicates inode entries */
EXTENT_CACHE, /* indicates extent cache */
INMEM_PAGES, /* indicates inmemory pages */
+ DISCARD_CACHE, /* indicates memory of cached discard cmds */
+ COMPRESS_PAGE, /* indicates memory of cached compressed pages */
BASE_CHECK, /* check kernel status */
};
@@ -388,20 +393,6 @@ static inline nid_t get_nid(struct page *p, int off, bool i)
* - Mark cold node blocks in their node footer
* - Mark cold data pages in page cache
*/
-static inline int is_cold_data(struct page *page)
-{
- return PageChecked(page);
-}
-
-static inline void set_cold_data(struct page *page)
-{
- SetPageChecked(page);
-}
-
-static inline void clear_cold_data(struct page *page)
-{
- ClearPageChecked(page);
-}
static inline int is_node(struct page *page, int type)
{
@@ -413,21 +404,6 @@ static inline int is_node(struct page *page, int type)
#define is_fsync_dnode(page) is_node(page, FSYNC_BIT_SHIFT)
#define is_dent_dnode(page) is_node(page, DENT_BIT_SHIFT)
-static inline int is_inline_node(struct page *page)
-{
- return PageChecked(page);
-}
-
-static inline void set_inline_node(struct page *page)
-{
- SetPageChecked(page);
-}
-
-static inline void clear_inline_node(struct page *page)
-{
- ClearPageChecked(page);
-}
-
static inline void set_cold_node(struct page *page, bool is_dir)
{
struct f2fs_node *rn = F2FS_NODE(page);
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 72ce131..695eacf 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -5,6 +5,7 @@
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*/
+#include <asm/unaligned.h>
#include <linux/fs.h>
#include <linux/f2fs_fs.h>
#include "f2fs.h"
@@ -44,6 +45,10 @@
static struct kmem_cache *fsync_entry_slab;
+#ifdef CONFIG_UNICODE
+extern struct kmem_cache *f2fs_cf_name_slab;
+#endif
+
bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi)
{
s64 nalloc = percpu_counter_sum_positive(&sbi->alloc_valid_block_count);
@@ -128,14 +133,23 @@ static int init_recovered_filename(const struct inode *dir,
}
/* Compute the hash of the filename */
- if (IS_CASEFOLDED(dir)) {
+ if (IS_ENCRYPTED(dir) && IS_CASEFOLDED(dir)) {
+ /*
+ * In this case the hash isn't computable without the key, so it
+ * was saved on-disk.
+ */
+ if (fname->disk_name.len + sizeof(f2fs_hash_t) > F2FS_NAME_LEN)
+ return -EINVAL;
+ fname->hash = get_unaligned((f2fs_hash_t *)
+ &raw_inode->i_name[fname->disk_name.len]);
+ } else if (IS_CASEFOLDED(dir)) {
err = f2fs_init_casefolded_name(dir, fname);
if (err)
return err;
f2fs_hash_filename(dir, fname);
#ifdef CONFIG_UNICODE
/* Case-sensitive match is fine for recovery */
- kfree(fname->cf_name.name);
+ kmem_cache_free(f2fs_cf_name_slab, fname->cf_name.name);
fname->cf_name.name = NULL;
#endif
} else {
@@ -448,6 +462,7 @@ static int check_index_in_prev_nodes(struct f2fs_sb_info *sbi,
/* Get the previous summary */
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
struct curseg_info *curseg = CURSEG_I(sbi, i);
+
if (curseg->segno == segno) {
sum = curseg->sum_blk->entries[blkoff];
goto got_it;
@@ -782,7 +797,7 @@ int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
INIT_LIST_HEAD(&dir_list);
/* prevent checkpoint */
- mutex_lock(&sbi->cp_mutex);
+ down_write(&sbi->cp_global_sem);
/* step #1: find fsynced inode numbers */
err = find_fsync_dnodes(sbi, &inode_list, check_only);
@@ -833,7 +848,7 @@ int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
if (!err)
clear_sbi_flag(sbi, SBI_POR_DOING);
- mutex_unlock(&sbi->cp_mutex);
+ up_write(&sbi->cp_global_sem);
/* let's drop all the directory inodes for clean checkpoint */
destroy_fsync_dnodes(&dir_list, err);
@@ -856,7 +871,7 @@ int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only)
#endif
sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */
- return ret ? ret: err;
+ return ret ? ret : err;
}
int __init f2fs_create_recovery_cache(void)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d04b449..95bfcff 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -20,7 +20,6 @@
#include "segment.h"
#include "node.h"
#include "gc.h"
-#include "trace.h"
#include <trace/events/f2fs.h>
#define __reverse_ffz(x) __reverse_ffs(~(x))
@@ -187,9 +186,7 @@ void f2fs_register_inmem_page(struct inode *inode, struct page *page)
{
struct inmem_pages *new;
- f2fs_trace_pid(page);
-
- f2fs_set_page_private(page, ATOMIC_WRITTEN_PAGE);
+ set_page_private_atomic(page);
new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS);
@@ -272,9 +269,10 @@ static int __revoke_inmem_pages(struct inode *inode,
/* we don't need to invalidate this in the sccessful status */
if (drop || recover) {
ClearPageUptodate(page);
- clear_cold_data(page);
+ clear_page_private_gcing(page);
}
- f2fs_clear_page_private(page);
+ detach_page_private(page);
+ set_page_private(page, 0);
f2fs_put_page(page, 1);
list_del(&cur->list);
@@ -357,7 +355,7 @@ void f2fs_drop_inmem_page(struct inode *inode, struct page *page)
struct list_head *head = &fi->inmem_pages;
struct inmem_pages *cur = NULL;
- f2fs_bug_on(sbi, !IS_ATOMIC_WRITTEN_PAGE(page));
+ f2fs_bug_on(sbi, !page_private_atomic(page));
mutex_lock(&fi->inmem_lock);
list_for_each_entry(cur, head, list) {
@@ -373,9 +371,12 @@ void f2fs_drop_inmem_page(struct inode *inode, struct page *page)
kmem_cache_free(inmem_entry_slab, cur);
ClearPageUptodate(page);
- f2fs_clear_page_private(page);
+ clear_page_private_atomic(page);
f2fs_put_page(page, 0);
+ detach_page_private(page);
+ set_page_private(page, 0);
+
trace_f2fs_commit_inmem_page(page, INMEM_INVALIDATE);
}
@@ -510,8 +511,19 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
* dir/node pages without enough free segments.
*/
if (has_not_enough_free_secs(sbi, 0, 0)) {
- down_write(&sbi->gc_lock);
- f2fs_gc(sbi, false, false, false, NULL_SEGNO);
+ if (test_opt(sbi, GC_MERGE) && sbi->gc_thread &&
+ sbi->gc_thread->f2fs_gc_task) {
+ DEFINE_WAIT(wait);
+
+ prepare_to_wait(&sbi->gc_thread->fggc_wq, &wait,
+ TASK_UNINTERRUPTIBLE);
+ wake_up(&sbi->gc_thread->gc_wait_queue_head);
+ io_schedule();
+ finish_wait(&sbi->gc_thread->fggc_wq, &wait);
+ } else {
+ down_write(&sbi->gc_lock);
+ f2fs_gc(sbi, false, false, false, NULL_SEGNO);
+ }
}
}
@@ -533,47 +545,44 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg)
else
f2fs_build_free_nids(sbi, false, false);
- if (!is_idle(sbi, REQ_TIME) &&
- (!excess_dirty_nats(sbi) && !excess_dirty_nodes(sbi)))
+ if (excess_dirty_nats(sbi) || excess_dirty_nodes(sbi) ||
+ excess_prefree_segs(sbi))
+ goto do_sync;
+
+ /* there is background inflight IO or foreground operation recently */
+ if (is_inflight_io(sbi, REQ_TIME) ||
+ (!f2fs_time_over(sbi, REQ_TIME) && rwsem_is_locked(&sbi->cp_rwsem)))
return;
+ /* exceed periodical checkpoint timeout threshold */
+ if (f2fs_time_over(sbi, CP_TIME))
+ goto do_sync;
+
/* checkpoint is the only way to shrink partial cached entries */
- if (!f2fs_available_free_memory(sbi, NAT_ENTRIES) ||
- !f2fs_available_free_memory(sbi, INO_ENTRIES) ||
- excess_prefree_segs(sbi) ||
- excess_dirty_nats(sbi) ||
- excess_dirty_nodes(sbi) ||
- f2fs_time_over(sbi, CP_TIME)) {
- if (test_opt(sbi, DATA_FLUSH) && from_bg) {
- struct blk_plug plug;
+ if (f2fs_available_free_memory(sbi, NAT_ENTRIES) ||
+ f2fs_available_free_memory(sbi, INO_ENTRIES))
+ return;
- mutex_lock(&sbi->flush_lock);
+do_sync:
+ if (test_opt(sbi, DATA_FLUSH) && from_bg) {
+ struct blk_plug plug;
- blk_start_plug(&plug);
- f2fs_sync_dirty_inodes(sbi, FILE_INODE);
- blk_finish_plug(&plug);
+ mutex_lock(&sbi->flush_lock);
- mutex_unlock(&sbi->flush_lock);
- }
- f2fs_sync_fs(sbi->sb, true);
- stat_inc_bg_cp_count(sbi->stat_info);
+ blk_start_plug(&plug);
+ f2fs_sync_dirty_inodes(sbi, FILE_INODE);
+ blk_finish_plug(&plug);
+
+ mutex_unlock(&sbi->flush_lock);
}
+ f2fs_sync_fs(sbi->sb, true);
+ stat_inc_bg_cp_count(sbi->stat_info);
}
static int __submit_flush_wait(struct f2fs_sb_info *sbi,
struct block_device *bdev)
{
- struct bio *bio;
- int ret;
-
- bio = f2fs_bio_alloc(sbi, 0, false);
- if (!bio)
- return -ENOMEM;
-
- bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH;
- bio_set_dev(bio, bdev);
- ret = submit_bio_wait(bio);
- bio_put(bio);
+ int ret = blkdev_issue_flush(bdev, GFP_NOFS);
trace_f2fs_issue_flush(bdev, test_opt(sbi, NOBARRIER),
test_opt(sbi, FLUSH_MERGE), ret);
@@ -607,8 +616,6 @@ static int issue_flush_thread(void *data)
if (kthread_should_stop())
return 0;
- sb_start_intwrite(sbi->sb);
-
if (!llist_empty(&fcc->issue_list)) {
struct flush_cmd *cmd, *next;
int ret;
@@ -629,8 +636,6 @@ static int issue_flush_thread(void *data)
fcc->dispatch_list = NULL;
}
- sb_end_intwrite(sbi->sb);
-
wait_event_interruptible(*q,
kthread_should_stop() || !llist_empty(&fcc->issue_list));
goto repeat;
@@ -667,7 +672,11 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino)
llist_add(&cmd.llnode, &fcc->issue_list);
- /* update issue_list before we wake up issue_flush thread */
+ /*
+ * update issue_list before we wake up issue_flush thread, this
+ * smp_mb() pairs with another barrier in ___wait_event(), see
+ * more details in comments of waitqueue_active().
+ */
smp_mb();
if (waitqueue_active(&fcc->flush_wait_queue))
@@ -1109,6 +1118,8 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi,
struct discard_policy *dpolicy,
int discard_type, unsigned int granularity)
{
+ struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
+
/* common policy */
dpolicy->type = discard_type;
dpolicy->sync = true;
@@ -1128,7 +1139,9 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi,
dpolicy->ordered = true;
if (utilization(sbi) > DEF_DISCARD_URGENT_UTIL) {
dpolicy->granularity = 1;
- dpolicy->max_interval = DEF_MIN_DISCARD_ISSUE_TIME;
+ if (atomic_read(&dcc->discard_cmd_cnt))
+ dpolicy->max_interval =
+ DEF_MIN_DISCARD_ISSUE_TIME;
}
} else if (discard_type == DPOLICY_FORCE) {
dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
@@ -1744,8 +1757,15 @@ static int issue_discard_thread(void *data)
set_freezable();
do {
- __init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
- dcc->discard_granularity);
+ if (sbi->gc_mode == GC_URGENT_HIGH ||
+ !f2fs_available_free_memory(sbi, DISCARD_CACHE))
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
+ else
+ __init_discard_policy(sbi, &dpolicy, DPOLICY_BG,
+ dcc->discard_granularity);
+
+ if (!atomic_read(&dcc->discard_cmd_cnt))
+ wait_ms = dpolicy.max_interval;
wait_event_interruptible_timeout(*q,
kthread_should_stop() || freezing(current) ||
@@ -1769,9 +1789,8 @@ static int issue_discard_thread(void *data)
wait_ms = dpolicy.max_interval;
continue;
}
-
- if (sbi->gc_mode == GC_URGENT_HIGH)
- __init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);
+ if (!atomic_read(&dcc->discard_cmd_cnt))
+ continue;
sb_start_intwrite(sbi->sb);
@@ -1779,7 +1798,7 @@ static int issue_discard_thread(void *data)
if (issued > 0) {
__wait_all_discard_cmd(sbi, &dpolicy);
wait_ms = dpolicy.min_interval;
- } else if (issued == -1){
+ } else if (issued == -1) {
wait_ms = f2fs_time_to_wait(sbi, DISCARD_TIME);
if (!wait_ms)
wait_ms = dpolicy.mid_interval;
@@ -2156,6 +2175,7 @@ static void __set_sit_entry_type(struct f2fs_sb_info *sbi, int type,
unsigned int segno, int modified)
{
struct seg_entry *se = get_seg_entry(sbi, segno);
+
se->type = type;
if (modified)
__mark_sit_entry_dirty(sbi, segno);
@@ -2302,6 +2322,7 @@ void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr)
return;
invalidate_mapping_pages(META_MAPPING(sbi), addr, addr);
+ f2fs_invalidate_compress_page(sbi, addr);
/* add it into sit main buffer */
down_write(&sit_i->sentry_lock);
@@ -2347,6 +2368,7 @@ static void __add_sum_entry(struct f2fs_sb_info *sbi, int type,
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
void *addr = curseg->sum_blk;
+
addr += curseg->next_blkoff * sizeof(struct f2fs_summary);
memcpy(addr, sum, sizeof(struct f2fs_summary));
}
@@ -2618,22 +2640,20 @@ static void new_curseg(struct f2fs_sb_info *sbi, int type, bool new_sec)
curseg->alloc_type = LFS;
}
-static void __next_free_blkoff(struct f2fs_sb_info *sbi,
- struct curseg_info *seg, block_t start)
+static int __next_free_blkoff(struct f2fs_sb_info *sbi,
+ int segno, block_t start)
{
- struct seg_entry *se = get_seg_entry(sbi, seg->segno);
+ struct seg_entry *se = get_seg_entry(sbi, segno);
int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
unsigned long *target_map = SIT_I(sbi)->tmp_map;
unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
- int i, pos;
+ int i;
for (i = 0; i < entries; i++)
target_map[i] = ckpt_map[i] | cur_map[i];
- pos = __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
-
- seg->next_blkoff = pos;
+ return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
}
/*
@@ -2645,26 +2665,16 @@ static void __refresh_next_blkoff(struct f2fs_sb_info *sbi,
struct curseg_info *seg)
{
if (seg->alloc_type == SSR)
- __next_free_blkoff(sbi, seg, seg->next_blkoff + 1);
+ seg->next_blkoff =
+ __next_free_blkoff(sbi, seg->segno,
+ seg->next_blkoff + 1);
else
seg->next_blkoff++;
}
bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
{
- struct seg_entry *se = get_seg_entry(sbi, segno);
- int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
- unsigned long *target_map = SIT_I(sbi)->tmp_map;
- unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
- unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
- int i, pos;
-
- for (i = 0; i < entries; i++)
- target_map[i] = ckpt_map[i] | cur_map[i];
-
- pos = __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, 0);
-
- return pos < sbi->blocks_per_seg;
+ return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
}
/*
@@ -2692,7 +2702,7 @@ static void change_curseg(struct f2fs_sb_info *sbi, int type, bool flush)
reset_curseg(sbi, type, 1);
curseg->alloc_type = SSR;
- __next_free_blkoff(sbi, curseg, 0);
+ curseg->next_blkoff = __next_free_blkoff(sbi, curseg->segno, 0);
sum_page = f2fs_get_sum_page(sbi, new_segno);
if (IS_ERR(sum_page)) {
@@ -2925,7 +2935,7 @@ void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
}
static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
- bool new_sec)
+ bool new_sec, bool force)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int old_segno;
@@ -2933,7 +2943,7 @@ static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
if (!curseg->inited)
goto alloc;
- if (curseg->next_blkoff ||
+ if (force || curseg->next_blkoff ||
get_valid_blocks(sbi, curseg->segno, new_sec))
goto alloc;
@@ -2945,16 +2955,17 @@ static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
locate_dirty_segment(sbi, old_segno);
}
-static void __allocate_new_section(struct f2fs_sb_info *sbi, int type)
+static void __allocate_new_section(struct f2fs_sb_info *sbi,
+ int type, bool force)
{
- __allocate_new_segment(sbi, type, true);
+ __allocate_new_segment(sbi, type, true, force);
}
-void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type)
+void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force)
{
down_read(&SM_I(sbi)->curseg_lock);
down_write(&SIT_I(sbi)->sentry_lock);
- __allocate_new_section(sbi, type);
+ __allocate_new_section(sbi, type, force);
up_write(&SIT_I(sbi)->sentry_lock);
up_read(&SM_I(sbi)->curseg_lock);
}
@@ -2966,7 +2977,7 @@ void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
down_read(&SM_I(sbi)->curseg_lock);
down_write(&SIT_I(sbi)->sentry_lock);
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
- __allocate_new_segment(sbi, i, false);
+ __allocate_new_segment(sbi, i, false, false);
up_write(&SIT_I(sbi)->sentry_lock);
up_read(&SM_I(sbi)->curseg_lock);
}
@@ -3280,13 +3291,18 @@ static int __get_segment_type_6(struct f2fs_io_info *fio)
if (fio->type == DATA) {
struct inode *inode = fio->page->mapping->host;
- if (is_cold_data(fio->page)) {
- if (fio->sbi->am.atgc_enabled)
+ if (is_inode_flag_set(inode, FI_ALIGNED_WRITE))
+ return CURSEG_COLD_DATA_PINNED;
+
+ if (page_private_gcing(fio->page)) {
+ if (fio->sbi->am.atgc_enabled &&
+ (fio->io_type == FS_DATA_IO) &&
+ (fio->sbi->gc_mode != GC_URGENT_HIGH))
return CURSEG_ALL_DATA_ATGC;
else
return CURSEG_COLD_DATA;
}
- if (file_is_cold(inode) || f2fs_compressed_file(inode))
+ if (file_is_cold(inode) || f2fs_need_compress_data(inode))
return CURSEG_COLD_DATA;
if (file_is_hot(inode) ||
is_inode_flag_set(inode, FI_HOT_DATA) ||
@@ -3457,9 +3473,11 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
reallocate:
f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type, fio);
- if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO)
+ if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO) {
invalidate_mapping_pages(META_MAPPING(fio->sbi),
fio->old_blkaddr, fio->old_blkaddr);
+ f2fs_invalidate_compress_page(fio->sbi, fio->old_blkaddr);
+ }
/* writeout dirty page into bdev */
f2fs_submit_page_write(fio);
@@ -3541,7 +3559,13 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_warn(sbi, "%s: incorrect segment(%u) type, run fsck to fix.",
__func__, segno);
- return -EFSCORRUPTED;
+ err = -EFSCORRUPTED;
+ goto drop_bio;
+ }
+
+ if (f2fs_cp_error(sbi)) {
+ err = -EIO;
+ goto drop_bio;
}
stat_inc_inplace_blocks(fio->sbi);
@@ -3556,6 +3580,15 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
}
return err;
+drop_bio:
+ if (fio->bio && *(fio->bio)) {
+ struct bio *bio = *(fio->bio);
+
+ bio->bi_status = BLK_STS_IOERR;
+ bio_endio(bio);
+ *(fio->bio) = NULL;
+ }
+ return err;
}
static inline int __f2fs_get_curseg(struct f2fs_sb_info *sbi,
@@ -3581,6 +3614,7 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
struct seg_entry *se;
int type;
unsigned short old_blkoff;
+ unsigned char old_alloc_type;
segno = GET_SEGNO(sbi, new_blkaddr);
se = get_seg_entry(sbi, segno);
@@ -3614,6 +3648,7 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
old_cursegno = curseg->segno;
old_blkoff = curseg->next_blkoff;
+ old_alloc_type = curseg->alloc_type;
/* change the current segment */
if (segno != curseg->segno) {
@@ -3632,6 +3667,7 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) {
invalidate_mapping_pages(META_MAPPING(sbi),
old_blkaddr, old_blkaddr);
+ f2fs_invalidate_compress_page(sbi, old_blkaddr);
if (!from_gc)
update_segment_mtime(sbi, old_blkaddr, 0);
update_sit_entry(sbi, old_blkaddr, -1);
@@ -3648,6 +3684,7 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
change_curseg(sbi, type, true);
}
curseg->next_blkoff = old_blkoff;
+ curseg->alloc_type = old_alloc_type;
}
up_write(&sit_i->sentry_lock);
@@ -3759,6 +3796,7 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi)
for (j = 0; j < blk_off; j++) {
struct f2fs_summary *s;
+
s = (struct f2fs_summary *)(kaddr + offset);
seg_i->sum_blk->entries[j] = *s;
offset += SUMMARY_SIZE;
@@ -3821,6 +3859,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
if (__exist_node_summaries(sbi)) {
struct f2fs_summary *ns = &sum->entries[0];
int i;
+
for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
ns->version = 0;
ns->ofs_in_node = 0;
@@ -3888,7 +3927,7 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
/* sanity check for summary blocks */
if (nats_in_cursum(nat_j) > NAT_JOURNAL_ENTRIES ||
sits_in_cursum(sit_j) > SIT_JOURNAL_ENTRIES) {
- f2fs_err(sbi, "invalid journal entries nats %u sits %u\n",
+ f2fs_err(sbi, "invalid journal entries nats %u sits %u",
nats_in_cursum(nat_j), sits_in_cursum(sit_j));
return -EINVAL;
}
@@ -3922,6 +3961,7 @@ static void write_compacted_summaries(struct f2fs_sb_info *sbi, block_t blkaddr)
/* Step 3: write summary entries */
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {
unsigned short blkoff;
+
seg_i = CURSEG_I(sbi, i);
if (sbi->ckpt->alloc_type[i] == SSR)
blkoff = sbi->blocks_per_seg;
@@ -3958,6 +3998,7 @@ static void write_normal_summaries(struct f2fs_sb_info *sbi,
block_t blkaddr, int type)
{
int i, end;
+
if (IS_DATASEG(type))
end = type + NR_CURSEG_DATA_TYPE;
else
@@ -4541,6 +4582,7 @@ static void init_free_segmap(struct f2fs_sb_info *sbi)
/* set use the current segments */
for (type = CURSEG_HOT_DATA; type <= CURSEG_COLD_NODE; type++) {
struct curseg_info *curseg_t = CURSEG_I(sbi, type);
+
__set_test_and_inuse(sbi, curseg_t->segno);
}
}
@@ -4648,6 +4690,10 @@ static int sanity_check_curseg(struct f2fs_sb_info *sbi)
struct seg_entry *se = get_seg_entry(sbi, curseg->segno);
unsigned int blkofs = curseg->next_blkoff;
+ if (f2fs_sb_has_readonly(sbi) &&
+ i != CURSEG_HOT_DATA && i != CURSEG_HOT_NODE)
+ continue;
+
sanity_check_seg_type(sbi, curseg->seg_type);
if (f2fs_test_bit(blkofs, se->cur_valid_map))
@@ -4773,7 +4819,8 @@ static struct f2fs_dev_info *get_target_zoned_dev(struct f2fs_sb_info *sbi,
}
static int report_one_zone_cb(struct blk_zone *zone, unsigned int idx,
- void *data) {
+ void *data)
+{
memcpy(data, zone, sizeof(struct blk_zone));
return 0;
}
@@ -4825,7 +4872,8 @@ static int fix_curseg_write_pointer(struct f2fs_sb_info *sbi, int type)
f2fs_notice(sbi, "Assign new section to curseg[%d]: "
"curseg[0x%x,0x%x]", type, cs->segno, cs->next_blkoff);
- allocate_segment_by_default(sbi, type, true);
+
+ f2fs_allocate_new_section(sbi, type, true);
/* check consistency of the zone curseg pointed to */
if (check_zone_write_pointer(sbi, zbd, &zone))
@@ -4889,8 +4937,10 @@ struct check_zone_write_pointer_args {
};
static int check_zone_write_pointer_cb(struct blk_zone *zone, unsigned int idx,
- void *data) {
+ void *data)
+{
struct check_zone_write_pointer_args *args;
+
args = (struct check_zone_write_pointer_args *)data;
return check_zone_write_pointer(args->sbi, args->fdev, zone);
@@ -5169,6 +5219,7 @@ static void discard_dirty_segmap(struct f2fs_sb_info *sbi,
static void destroy_victim_secmap(struct f2fs_sb_info *sbi)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
+
kvfree(dirty_i->victim_secmap);
}
@@ -5213,6 +5264,7 @@ static void destroy_curseg(struct f2fs_sb_info *sbi)
static void destroy_free_segmap(struct f2fs_sb_info *sbi)
{
struct free_segmap_info *free_i = SM_I(sbi)->free_info;
+
if (!free_i)
return;
SM_I(sbi)->free_info = NULL;
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 1bf33fc..dab87ec 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -172,12 +172,10 @@ enum {
/*
* BG_GC means the background cleaning job.
* FG_GC means the on-demand cleaning job.
- * FORCE_FG_GC means on-demand cleaning job in background.
*/
enum {
BG_GC = 0,
FG_GC,
- FORCE_FG_GC,
};
/* for a function parameter to select a victim segment */
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index b7287b7..fd4d7ad 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -25,13 +25,14 @@
#include <linux/quota.h>
#include <linux/unicode.h>
#include <linux/part_stat.h>
+#include <linux/zstd.h>
+#include <linux/lz4.h>
#include "f2fs.h"
#include "node.h"
#include "segment.h"
#include "xattr.h"
#include "gc.h"
-#include "trace.h"
#define CREATE_TRACE_POINTS
#include <trace/events/f2fs.h>
@@ -45,7 +46,6 @@ const char *f2fs_fault_name[FAULT_MAX] = {
[FAULT_KVMALLOC] = "kvmalloc",
[FAULT_PAGE_ALLOC] = "page alloc",
[FAULT_PAGE_GET] = "page get",
- [FAULT_ALLOC_BIO] = "alloc bio",
[FAULT_ALLOC_NID] = "alloc nid",
[FAULT_ORPHAN] = "orphan",
[FAULT_BLOCK] = "no more block",
@@ -143,10 +143,17 @@ enum {
Opt_checkpoint_disable_cap,
Opt_checkpoint_disable_cap_perc,
Opt_checkpoint_enable,
+ Opt_checkpoint_merge,
+ Opt_nocheckpoint_merge,
Opt_compress_algorithm,
Opt_compress_log_size,
Opt_compress_extension,
+ Opt_compress_chksum,
+ Opt_compress_mode,
+ Opt_compress_cache,
Opt_atgc,
+ Opt_gc_merge,
+ Opt_nogc_merge,
Opt_err,
};
@@ -211,10 +218,17 @@ static match_table_t f2fs_tokens = {
{Opt_checkpoint_disable_cap, "checkpoint=disable:%u"},
{Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"},
{Opt_checkpoint_enable, "checkpoint=enable"},
+ {Opt_checkpoint_merge, "checkpoint_merge"},
+ {Opt_nocheckpoint_merge, "nocheckpoint_merge"},
{Opt_compress_algorithm, "compress_algorithm=%s"},
{Opt_compress_log_size, "compress_log_size=%u"},
{Opt_compress_extension, "compress_extension=%s"},
+ {Opt_compress_chksum, "compress_chksum"},
+ {Opt_compress_mode, "compress_mode=%s"},
+ {Opt_compress_cache, "compress_cache"},
{Opt_atgc, "atgc"},
+ {Opt_gc_merge, "gc_merge"},
+ {Opt_nogc_merge, "nogc_merge"},
{Opt_err, NULL},
};
@@ -263,6 +277,24 @@ static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb,
return 0;
}
+
+struct kmem_cache *f2fs_cf_name_slab;
+static int __init f2fs_create_casefold_cache(void)
+{
+ f2fs_cf_name_slab = f2fs_kmem_cache_create("f2fs_casefolded_name",
+ F2FS_NAME_LEN);
+ if (!f2fs_cf_name_slab)
+ return -ENOMEM;
+ return 0;
+}
+
+static void f2fs_destroy_casefold_cache(void)
+{
+ kmem_cache_destroy(f2fs_cf_name_slab);
+}
+#else
+static int __init f2fs_create_casefold_cache(void) { return 0; }
+static void f2fs_destroy_casefold_cache(void) { }
#endif
static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
@@ -460,6 +492,74 @@ static int f2fs_set_test_dummy_encryption(struct super_block *sb,
return 0;
}
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+#ifdef CONFIG_F2FS_FS_LZ4
+static int f2fs_set_lz4hc_level(struct f2fs_sb_info *sbi, const char *str)
+{
+#ifdef CONFIG_F2FS_FS_LZ4HC
+ unsigned int level;
+#endif
+
+ if (strlen(str) == 3) {
+ F2FS_OPTION(sbi).compress_level = 0;
+ return 0;
+ }
+
+#ifdef CONFIG_F2FS_FS_LZ4HC
+ str += 3;
+
+ if (str[0] != ':') {
+ f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>");
+ return -EINVAL;
+ }
+ if (kstrtouint(str + 1, 10, &level))
+ return -EINVAL;
+
+ if (level < LZ4HC_MIN_CLEVEL || level > LZ4HC_MAX_CLEVEL) {
+ f2fs_info(sbi, "invalid lz4hc compress level: %d", level);
+ return -EINVAL;
+ }
+
+ F2FS_OPTION(sbi).compress_level = level;
+ return 0;
+#else
+ f2fs_info(sbi, "kernel doesn't support lz4hc compression");
+ return -EINVAL;
+#endif
+}
+#endif
+
+#ifdef CONFIG_F2FS_FS_ZSTD
+static int f2fs_set_zstd_level(struct f2fs_sb_info *sbi, const char *str)
+{
+ unsigned int level;
+ int len = 4;
+
+ if (strlen(str) == len) {
+ F2FS_OPTION(sbi).compress_level = 0;
+ return 0;
+ }
+
+ str += len;
+
+ if (str[0] != ':') {
+ f2fs_info(sbi, "wrong format, e.g. <alg_name>:<compr_level>");
+ return -EINVAL;
+ }
+ if (kstrtouint(str + 1, 10, &level))
+ return -EINVAL;
+
+ if (!level || level > ZSTD_maxCLevel()) {
+ f2fs_info(sbi, "invalid zstd compress level: %d", level);
+ return -EINVAL;
+ }
+
+ F2FS_OPTION(sbi).compress_level = level;
+ return 0;
+}
+#endif
+#endif
+
static int parse_options(struct super_block *sb, char *options, bool is_remount)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -475,10 +575,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
int ret;
if (!options)
- return 0;
+ goto default_check;
while ((p = strsep(&options, ",")) != NULL) {
int token;
+
if (!*p)
continue;
/*
@@ -868,6 +969,12 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
case Opt_checkpoint_enable:
clear_opt(sbi, DISABLE_CHECKPOINT);
break;
+ case Opt_checkpoint_merge:
+ set_opt(sbi, MERGE_CHECKPOINT);
+ break;
+ case Opt_nocheckpoint_merge:
+ clear_opt(sbi, MERGE_CHECKPOINT);
+ break;
#ifdef CONFIG_F2FS_FS_COMPRESSION
case Opt_compress_algorithm:
if (!f2fs_sb_has_compression(sbi)) {
@@ -878,17 +985,45 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
if (!name)
return -ENOMEM;
if (!strcmp(name, "lzo")) {
+#ifdef CONFIG_F2FS_FS_LZO
+ F2FS_OPTION(sbi).compress_level = 0;
F2FS_OPTION(sbi).compress_algorithm =
COMPRESS_LZO;
- } else if (!strcmp(name, "lz4")) {
+#else
+ f2fs_info(sbi, "kernel doesn't support lzo compression");
+#endif
+ } else if (!strncmp(name, "lz4", 3)) {
+#ifdef CONFIG_F2FS_FS_LZ4
+ ret = f2fs_set_lz4hc_level(sbi, name);
+ if (ret) {
+ kfree(name);
+ return -EINVAL;
+ }
F2FS_OPTION(sbi).compress_algorithm =
COMPRESS_LZ4;
- } else if (!strcmp(name, "zstd")) {
+#else
+ f2fs_info(sbi, "kernel doesn't support lz4 compression");
+#endif
+ } else if (!strncmp(name, "zstd", 4)) {
+#ifdef CONFIG_F2FS_FS_ZSTD
+ ret = f2fs_set_zstd_level(sbi, name);
+ if (ret) {
+ kfree(name);
+ return -EINVAL;
+ }
F2FS_OPTION(sbi).compress_algorithm =
COMPRESS_ZSTD;
+#else
+ f2fs_info(sbi, "kernel doesn't support zstd compression");
+#endif
} else if (!strcmp(name, "lzo-rle")) {
+#ifdef CONFIG_F2FS_FS_LZORLE
+ F2FS_OPTION(sbi).compress_level = 0;
F2FS_OPTION(sbi).compress_algorithm =
COMPRESS_LZORLE;
+#else
+ f2fs_info(sbi, "kernel doesn't support lzorle compression");
+#endif
} else {
kfree(name);
return -EINVAL;
@@ -934,22 +1069,52 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
F2FS_OPTION(sbi).compress_ext_cnt++;
kfree(name);
break;
+ case Opt_compress_chksum:
+ F2FS_OPTION(sbi).compress_chksum = true;
+ break;
+ case Opt_compress_mode:
+ name = match_strdup(&args[0]);
+ if (!name)
+ return -ENOMEM;
+ if (!strcmp(name, "fs")) {
+ F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS;
+ } else if (!strcmp(name, "user")) {
+ F2FS_OPTION(sbi).compress_mode = COMPR_MODE_USER;
+ } else {
+ kfree(name);
+ return -EINVAL;
+ }
+ kfree(name);
+ break;
+ case Opt_compress_cache:
+ set_opt(sbi, COMPRESS_CACHE);
+ break;
#else
case Opt_compress_algorithm:
case Opt_compress_log_size:
case Opt_compress_extension:
+ case Opt_compress_chksum:
+ case Opt_compress_mode:
+ case Opt_compress_cache:
f2fs_info(sbi, "compression options not supported");
break;
#endif
case Opt_atgc:
set_opt(sbi, ATGC);
break;
+ case Opt_gc_merge:
+ set_opt(sbi, GC_MERGE);
+ break;
+ case Opt_nogc_merge:
+ clear_opt(sbi, GC_MERGE);
+ break;
default:
f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value",
p);
return -EINVAL;
}
}
+default_check:
#ifdef CONFIG_QUOTA
if (f2fs_check_quota_options(sbi))
return -EINVAL;
@@ -1013,7 +1178,7 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
}
if (test_opt(sbi, DISABLE_CHECKPOINT) && f2fs_lfs_mode(sbi)) {
- f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n");
+ f2fs_err(sbi, "LFS not compatible with checkpoint=disable");
return -EINVAL;
}
@@ -1022,6 +1187,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
*/
if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_PERSIST_TYPE)
F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
+
+ if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) {
+ f2fs_err(sbi, "Allow to mount readonly mode only");
+ return -EROFS;
+ }
return 0;
}
@@ -1053,8 +1223,6 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
/* Will be used by directory only */
fi->i_dir_level = F2FS_SB(sb)->dir_level;
- fi->ra_offset = -1;
-
return &fi->vfs_inode;
}
@@ -1223,6 +1391,12 @@ static void f2fs_put_super(struct super_block *sb)
mutex_lock(&sbi->umount_mutex);
/*
+ * flush all issued checkpoints and stop checkpoint issue thread.
+ * after then, all checkpoints should be done by each process context.
+ */
+ f2fs_stop_ckpt_thread(sbi);
+
+ /*
* We don't need to do checkpoint when superblock is clean.
* But, the previous checkpoint was not done by umount, it needs to do
* clean checkpoint again.
@@ -1262,6 +1436,8 @@ static void f2fs_put_super(struct super_block *sb)
f2fs_bug_on(sbi, sbi->fsync_node_num);
+ f2fs_destroy_compress_inode(sbi);
+
iput(sbi->node_inode);
sbi->node_inode = NULL;
@@ -1320,16 +1496,8 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
return -EAGAIN;
- if (sync) {
- struct cp_control cpc;
-
- cpc.reason = __get_cp_reason(sbi);
-
- down_write(&sbi->gc_lock);
- err = f2fs_write_checkpoint(sbi, &cpc);
- up_write(&sbi->gc_lock);
- }
- f2fs_trace_ios(NULL, 1);
+ if (sync)
+ err = f2fs_issue_checkpoint(sbi);
return err;
}
@@ -1346,6 +1514,10 @@ static int f2fs_freeze(struct super_block *sb)
/* must be clean, since sync_filesystem() was already called */
if (is_sbi_flag_set(F2FS_SB(sb), SBI_IS_DIRTY))
return -EINVAL;
+
+ /* ensure no checkpoint required */
+ if (!llist_empty(&F2FS_SB(sb)->cprc_info.issue_list))
+ return -EINVAL;
return 0;
}
@@ -1490,6 +1662,7 @@ static inline void f2fs_show_quota_options(struct seq_file *seq,
#endif
}
+#ifdef CONFIG_F2FS_FS_COMPRESSION
static inline void f2fs_show_compress_options(struct seq_file *seq,
struct super_block *sb)
{
@@ -1516,6 +1689,9 @@ static inline void f2fs_show_compress_options(struct seq_file *seq,
}
seq_printf(seq, ",compress_algorithm=%s", algtype);
+ if (F2FS_OPTION(sbi).compress_level)
+ seq_printf(seq, ":%d", F2FS_OPTION(sbi).compress_level);
+
seq_printf(seq, ",compress_log_size=%u",
F2FS_OPTION(sbi).compress_log_size);
@@ -1523,7 +1699,19 @@ static inline void f2fs_show_compress_options(struct seq_file *seq,
seq_printf(seq, ",compress_extension=%s",
F2FS_OPTION(sbi).extensions[i]);
}
+
+ if (F2FS_OPTION(sbi).compress_chksum)
+ seq_puts(seq, ",compress_chksum");
+
+ if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_FS)
+ seq_printf(seq, ",compress_mode=%s", "fs");
+ else if (F2FS_OPTION(sbi).compress_mode == COMPR_MODE_USER)
+ seq_printf(seq, ",compress_mode=%s", "user");
+
+ if (test_opt(sbi, COMPRESS_CACHE))
+ seq_puts(seq, ",compress_cache");
}
+#endif
static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
{
@@ -1536,6 +1724,9 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
else if (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF)
seq_printf(seq, ",background_gc=%s", "off");
+ if (test_opt(sbi, GC_MERGE))
+ seq_puts(seq, ",gc_merge");
+
if (test_opt(sbi, DISABLE_ROLL_FORWARD))
seq_puts(seq, ",disable_roll_forward");
if (test_opt(sbi, NORECOVERY))
@@ -1643,6 +1834,10 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
if (test_opt(sbi, DISABLE_CHECKPOINT))
seq_printf(seq, ",checkpoint=disable:%u",
F2FS_OPTION(sbi).unusable_cap);
+ if (test_opt(sbi, MERGE_CHECKPOINT))
+ seq_puts(seq, ",checkpoint_merge");
+ else
+ seq_puts(seq, ",nocheckpoint_merge");
if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX)
seq_printf(seq, ",fsync_mode=%s", "posix");
else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT)
@@ -1662,7 +1857,11 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
static void default_options(struct f2fs_sb_info *sbi)
{
/* init some FS parameters */
- F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE;
+ if (f2fs_sb_has_readonly(sbi))
+ F2FS_OPTION(sbi).active_logs = NR_CURSEG_RO_TYPE;
+ else
+ F2FS_OPTION(sbi).active_logs = NR_CURSEG_PERSIST_TYPE;
+
F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT;
@@ -1672,6 +1871,7 @@ static void default_options(struct f2fs_sb_info *sbi)
F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4;
F2FS_OPTION(sbi).compress_log_size = MIN_COMPRESS_LOG_SIZE;
F2FS_OPTION(sbi).compress_ext_cnt = 0;
+ F2FS_OPTION(sbi).compress_mode = COMPR_MODE_FS;
F2FS_OPTION(sbi).bggc_mode = BGGC_MODE_ON;
sbi->sb->s_flags &= ~SB_INLINECRYPT;
@@ -1682,6 +1882,7 @@ static void default_options(struct f2fs_sb_info *sbi)
set_opt(sbi, EXTENT_CACHE);
set_opt(sbi, NOHEAP);
clear_opt(sbi, DISABLE_CHECKPOINT);
+ set_opt(sbi, MERGE_CHECKPOINT);
F2FS_OPTION(sbi).unusable_cap = 0;
sbi->sb->s_flags |= SB_LAZYTIME;
set_opt(sbi, FLUSH_MERGE);
@@ -1734,7 +1935,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
ret = sync_filesystem(sbi->sb);
if (ret || err) {
- err = ret ? ret: err;
+ err = ret ? ret : err;
goto restore_flag;
}
@@ -1792,12 +1993,14 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
struct f2fs_mount_info org_mount_opt;
unsigned long old_sb_flags;
int err;
- bool need_restart_gc = false;
- bool need_stop_gc = false;
+ bool need_restart_gc = false, need_stop_gc = false;
+ bool need_restart_ckpt = false, need_stop_ckpt = false;
+ bool need_restart_flush = false, need_stop_flush = false;
bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE);
bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT);
bool no_io_align = !F2FS_IO_ALIGNED(sbi);
bool no_atgc = !test_opt(sbi, ATGC);
+ bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE);
bool checkpoint_changed;
#ifdef CONFIG_QUOTA
int i, j;
@@ -1853,6 +2056,11 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
if (f2fs_readonly(sb) && (*flags & SB_RDONLY))
goto skip;
+ if (f2fs_sb_has_readonly(sbi) && !(*flags & SB_RDONLY)) {
+ err = -EROFS;
+ goto restore_opts;
+ }
+
#ifdef CONFIG_QUOTA
if (!f2fs_readonly(sb) && (*flags & SB_RDONLY)) {
err = dquot_suspend(sb, -1);
@@ -1890,6 +2098,12 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
}
+ if (no_compress_cache == !!test_opt(sbi, COMPRESS_CACHE)) {
+ err = -EINVAL;
+ f2fs_warn(sbi, "switch compress_cache option is not allowed");
+ goto restore_opts;
+ }
+
if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) {
err = -EINVAL;
f2fs_warn(sbi, "disabling checkpoint not compatible with read-only");
@@ -1902,7 +2116,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
* option. Also sync the filesystem.
*/
if ((*flags & SB_RDONLY) ||
- F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF) {
+ (F2FS_OPTION(sbi).bggc_mode == BGGC_MODE_OFF &&
+ !test_opt(sbi, GC_MERGE))) {
if (sbi->gc_thread) {
f2fs_stop_gc_thread(sbi);
need_restart_gc = true;
@@ -1916,7 +2131,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
if (*flags & SB_RDONLY ||
F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) {
- writeback_inodes_sb(sb, WB_REASON_SYNC);
sync_inodes_sb(sb);
set_sbi_flag(sbi, SBI_IS_DIRTY);
@@ -1925,14 +2139,19 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
clear_sbi_flag(sbi, SBI_IS_CLOSE);
}
- if (checkpoint_changed) {
- if (test_opt(sbi, DISABLE_CHECKPOINT)) {
- err = f2fs_disable_checkpoint(sbi);
- if (err)
- goto restore_gc;
- } else {
- f2fs_enable_checkpoint(sbi);
+ if ((*flags & SB_RDONLY) || test_opt(sbi, DISABLE_CHECKPOINT) ||
+ !test_opt(sbi, MERGE_CHECKPOINT)) {
+ f2fs_stop_ckpt_thread(sbi);
+ need_restart_ckpt = true;
+ } else {
+ err = f2fs_start_ckpt_thread(sbi);
+ if (err) {
+ f2fs_err(sbi,
+ "Failed to start F2FS issue_checkpoint_thread (%d)",
+ err);
+ goto restore_gc;
}
+ need_stop_ckpt = true;
}
/*
@@ -1942,11 +2161,24 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
if ((*flags & SB_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) {
clear_opt(sbi, FLUSH_MERGE);
f2fs_destroy_flush_cmd_control(sbi, false);
+ need_restart_flush = true;
} else {
err = f2fs_create_flush_cmd_control(sbi);
if (err)
- goto restore_gc;
+ goto restore_ckpt;
+ need_stop_flush = true;
}
+
+ if (checkpoint_changed) {
+ if (test_opt(sbi, DISABLE_CHECKPOINT)) {
+ err = f2fs_disable_checkpoint(sbi);
+ if (err)
+ goto restore_flush;
+ } else {
+ f2fs_enable_checkpoint(sbi);
+ }
+ }
+
skip:
#ifdef CONFIG_QUOTA
/* Release old quota file names */
@@ -1961,6 +2193,21 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
adjust_unusable_cap_perc(sbi);
*flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME);
return 0;
+restore_flush:
+ if (need_restart_flush) {
+ if (f2fs_create_flush_cmd_control(sbi))
+ f2fs_warn(sbi, "background flush thread has stopped");
+ } else if (need_stop_flush) {
+ clear_opt(sbi, FLUSH_MERGE);
+ f2fs_destroy_flush_cmd_control(sbi, false);
+ }
+restore_ckpt:
+ if (need_restart_ckpt) {
+ if (f2fs_start_ckpt_thread(sbi))
+ f2fs_warn(sbi, "background ckpt thread has stopped");
+ } else if (need_stop_ckpt) {
+ f2fs_stop_ckpt_thread(sbi);
+ }
restore_gc:
if (need_restart_gc) {
if (f2fs_start_gc_thread(sbi))
@@ -2631,10 +2878,10 @@ static const struct export_operations f2fs_export_ops = {
.get_parent = f2fs_get_parent,
};
-static loff_t max_file_blocks(void)
+loff_t max_file_blocks(struct inode *inode)
{
loff_t result = 0;
- loff_t leaf_count = DEF_ADDRS_PER_BLOCK;
+ loff_t leaf_count;
/*
* note: previously, result is equal to (DEF_ADDRS_PER_INODE -
@@ -2643,6 +2890,11 @@ static loff_t max_file_blocks(void)
* result as zero.
*/
+ if (inode && f2fs_compressed_file(inode))
+ leaf_count = ADDRS_PER_BLOCK(inode);
+ else
+ leaf_count = DEF_ADDRS_PER_BLOCK;
+
/* two direct node blocks */
result += (leaf_count * 2);
@@ -2793,13 +3045,6 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
}
}
- /* Currently, support only 4KB page cache size */
- if (F2FS_BLKSIZE != PAGE_SIZE) {
- f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB",
- PAGE_SIZE);
- return -EFSCORRUPTED;
- }
-
/* Currently, support only 4KB block size */
if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) {
f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u",
@@ -2970,14 +3215,15 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
ovp_segments = le32_to_cpu(ckpt->overprov_segment_count);
reserved_segments = le32_to_cpu(ckpt->rsvd_segment_count);
- if (unlikely(fsmeta < F2FS_MIN_META_SEGMENTS ||
+ if (!f2fs_sb_has_readonly(sbi) &&
+ unlikely(fsmeta < F2FS_MIN_META_SEGMENTS ||
ovp_segments == 0 || reserved_segments == 0)) {
f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version");
return 1;
}
-
user_block_count = le64_to_cpu(ckpt->user_block_count);
- segment_count_main = le32_to_cpu(raw_super->segment_count_main);
+ segment_count_main = le32_to_cpu(raw_super->segment_count_main) +
+ (f2fs_sb_has_readonly(sbi) ? 1 : 0);
log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);
if (!user_block_count || user_block_count >=
segment_count_main << log_blocks_per_seg) {
@@ -3008,6 +3254,10 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs ||
le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg)
return 1;
+
+ if (f2fs_sb_has_readonly(sbi))
+ goto check_data;
+
for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) {
if (le32_to_cpu(ckpt->cur_node_segno[i]) ==
le32_to_cpu(ckpt->cur_node_segno[j])) {
@@ -3018,10 +3268,15 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
}
}
}
+check_data:
for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) {
if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs ||
le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg)
return 1;
+
+ if (f2fs_sb_has_readonly(sbi))
+ goto skip_cross;
+
for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) {
if (le32_to_cpu(ckpt->cur_data_segno[i]) ==
le32_to_cpu(ckpt->cur_data_segno[j])) {
@@ -3043,7 +3298,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
}
}
}
-
+skip_cross:
sit_bitmap_size = le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
nat_bitmap_size = le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
@@ -3108,9 +3363,9 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->total_node_count =
(le32_to_cpu(raw_super->segment_count_nat) / 2)
* sbi->blocks_per_seg * NAT_ENTRY_PER_BLOCK;
- sbi->root_ino_num = le32_to_cpu(raw_super->root_ino);
- sbi->node_ino_num = le32_to_cpu(raw_super->node_ino);
- sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino);
+ F2FS_ROOT_INO(sbi) = le32_to_cpu(raw_super->root_ino);
+ F2FS_NODE_INO(sbi) = le32_to_cpu(raw_super->node_ino);
+ F2FS_META_INO(sbi) = le32_to_cpu(raw_super->meta_ino);
sbi->cur_victim_sec = NULL_SECNO;
sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
@@ -3399,7 +3654,7 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
#ifdef CONFIG_BLK_DEV_ZONED
if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM &&
!f2fs_sb_has_blkzoned(sbi)) {
- f2fs_err(sbi, "Zoned block device feature not enabled\n");
+ f2fs_err(sbi, "Zoned block device feature not enabled");
return -EINVAL;
}
if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) {
@@ -3436,12 +3691,6 @@ static int f2fs_setup_casefold(struct f2fs_sb_info *sbi)
struct unicode_map *encoding;
__u16 encoding_flags;
- if (f2fs_sb_has_encrypt(sbi)) {
- f2fs_err(sbi,
- "Can't mount with encoding and encryption");
- return -EINVAL;
- }
-
if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info,
&encoding_flags)) {
f2fs_err(sbi,
@@ -3464,7 +3713,6 @@ static int f2fs_setup_casefold(struct f2fs_sb_info *sbi)
sbi->sb->s_encoding = encoding;
sbi->sb->s_encoding_flags = encoding_flags;
- sbi->sb->s_d_op = &f2fs_dentry_ops;
}
#else
if (f2fs_sb_has_casefold(sbi)) {
@@ -3554,8 +3802,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
if (err)
goto free_options;
- sbi->max_file_blocks = max_file_blocks();
- sb->s_maxbytes = sbi->max_file_blocks <<
+ sb->s_maxbytes = max_file_blocks(NULL) <<
le32_to_cpu(raw_super->log_blocksize);
sb->s_max_links = F2FS_LINK_MAX;
@@ -3596,7 +3843,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
sbi->valid_super_block = valid_super_block;
init_rwsem(&sbi->gc_lock);
mutex_init(&sbi->writepages);
- mutex_init(&sbi->cp_mutex);
+ init_rwsem(&sbi->cp_global_sem);
init_rwsem(&sbi->node_write);
init_rwsem(&sbi->node_change);
@@ -3610,7 +3857,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS;
for (i = 0; i < NR_PAGE_TYPE; i++) {
- int n = (i == META) ? 1: NR_TEMP_TYPE;
+ int n = (i == META) ? 1 : NR_TEMP_TYPE;
int j;
sbi->write_io[i] =
@@ -3722,6 +3969,19 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
f2fs_init_fsync_node_info(sbi);
+ /* setup checkpoint request control and start checkpoint issue thread */
+ f2fs_init_ckpt_req_control(sbi);
+ if (!f2fs_readonly(sb) && !test_opt(sbi, DISABLE_CHECKPOINT) &&
+ test_opt(sbi, MERGE_CHECKPOINT)) {
+ err = f2fs_start_ckpt_thread(sbi);
+ if (err) {
+ f2fs_err(sbi,
+ "Failed to start F2FS issue_checkpoint_thread (%d)",
+ err);
+ goto stop_ckpt_thread;
+ }
+ }
+
/* setup f2fs internal modules */
err = f2fs_build_segment_manager(sbi);
if (err) {
@@ -3737,10 +3997,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
}
/* For write statistics */
- if (sb->s_bdev->bd_part)
- sbi->sectors_written_start =
- (u64)part_stat_read(sb->s_bdev->bd_part,
- sectors[STAT_WRITE]);
+ sbi->sectors_written_start = f2fs_get_sectors_written(sbi);
/* Read accumulated write IO statistics if exists */
seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
@@ -3782,10 +4039,14 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
goto free_node_inode;
}
- err = f2fs_register_sysfs(sbi);
+ err = f2fs_init_compress_inode(sbi);
if (err)
goto free_root_inode;
+ err = f2fs_register_sysfs(sbi);
+ if (err)
+ goto free_compress_inode;
+
#ifdef CONFIG_QUOTA
/* Enable quota usage during mount */
if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) {
@@ -3811,9 +4072,15 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
*/
if (f2fs_hw_is_readonly(sbi)) {
if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
- err = -EROFS;
- f2fs_err(sbi, "Need to recover fsync data, but write access unavailable");
- goto free_meta;
+ err = f2fs_recover_fsync_data(sbi, true);
+ if (err > 0) {
+ err = -EROFS;
+ f2fs_err(sbi, "Need to recover fsync data, but "
+ "write access unavailable, please try "
+ "mount w/ disable_roll_forward or norecovery");
+ }
+ if (err < 0)
+ goto free_meta;
}
f2fs_info(sbi, "write access unavailable, skipping recovery");
goto reset_checkpoint;
@@ -3872,7 +4139,8 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
* If filesystem is not mounted as read-only then
* do start the gc_thread.
*/
- if (F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF && !f2fs_readonly(sb)) {
+ if ((F2FS_OPTION(sbi).bggc_mode != BGGC_MODE_OFF ||
+ test_opt(sbi, GC_MERGE)) && !f2fs_readonly(sb)) {
/* After POR, we can run background GC thread.*/
err = f2fs_start_gc_thread(sbi);
if (err)
@@ -3919,6 +4187,8 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
/* evict some inodes being cached by GC */
evict_inodes(sb);
f2fs_unregister_sysfs(sbi);
+free_compress_inode:
+ f2fs_destroy_compress_inode(sbi);
free_root_inode:
dput(sb->s_root);
sb->s_root = NULL;
@@ -3934,6 +4204,8 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
free_sm:
f2fs_destroy_segment_manager(sbi);
f2fs_destroy_post_read_wq(sbi);
+stop_ckpt_thread:
+ f2fs_stop_ckpt_thread(sbi);
free_devices:
destroy_device_list(sbi);
kvfree(sbi->ckpt);
@@ -3995,6 +4267,15 @@ static void kill_f2fs_super(struct super_block *sb)
f2fs_stop_gc_thread(sbi);
f2fs_stop_discard_thread(sbi);
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ /*
+ * latter evict_inode() can bypass checking and invalidating
+ * compress inode cache.
+ */
+ if (test_opt(sbi, COMPRESS_CACHE))
+ truncate_inode_pages_final(COMPRESS_MAPPING(sbi));
+#endif
+
if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||
!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
struct cp_control cpc = {
@@ -4048,8 +4329,6 @@ static int __init init_f2fs_fs(void)
return -EINVAL;
}
- f2fs_build_trace_ios();
-
err = init_inodecache();
if (err)
goto fail;
@@ -4096,7 +4375,12 @@ static int __init init_f2fs_fs(void)
err = f2fs_init_compress_cache();
if (err)
goto free_compress_mempool;
+ err = f2fs_create_casefold_cache();
+ if (err)
+ goto free_compress_cache;
return 0;
+free_compress_cache:
+ f2fs_destroy_compress_cache();
free_compress_mempool:
f2fs_destroy_compress_mempool();
free_bioset:
@@ -4132,6 +4416,7 @@ static int __init init_f2fs_fs(void)
static void __exit exit_f2fs_fs(void)
{
+ f2fs_destroy_casefold_cache();
f2fs_destroy_compress_cache();
f2fs_destroy_compress_mempool();
f2fs_destroy_bioset();
@@ -4148,7 +4433,6 @@ static void __exit exit_f2fs_fs(void)
f2fs_destroy_segment_manager_caches();
f2fs_destroy_node_manager_caches();
destroy_inodecache();
- f2fs_destroy_trace_ios();
}
module_init(init_f2fs_fs)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index b8850c8..15fe30d 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -11,6 +11,8 @@
#include <linux/f2fs_fs.h>
#include <linux/seq_file.h>
#include <linux/unicode.h>
+#include <linux/ioprio.h>
+#include <linux/sysfs.h>
#include "f2fs.h"
#include "segment.h"
@@ -34,6 +36,8 @@ enum {
FAULT_INFO_TYPE, /* struct f2fs_fault_info */
#endif
RESERVED_BLOCKS, /* struct f2fs_sb_info */
+ CPRC_INFO, /* struct ckpt_req_control */
+ ATGC_INFO, /* struct atgc_management */
};
struct f2fs_attr {
@@ -70,6 +74,10 @@ static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)
else if (struct_type == STAT_INFO)
return (unsigned char *)F2FS_STAT(sbi);
#endif
+ else if (struct_type == CPRC_INFO)
+ return (unsigned char *)&sbi->cprc_info;
+ else if (struct_type == ATGC_INFO)
+ return (unsigned char *)&sbi->am;
return NULL;
}
@@ -87,28 +95,33 @@ static ssize_t free_segments_show(struct f2fs_attr *a,
(unsigned long long)(free_segments(sbi)));
}
+static ssize_t ovp_segments_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ return sprintf(buf, "%llu\n",
+ (unsigned long long)(overprovision_segments(sbi)));
+}
+
static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
- struct super_block *sb = sbi->sb;
-
- if (!sb->s_bdev->bd_part)
- return sprintf(buf, "0\n");
-
return sprintf(buf, "%llu\n",
(unsigned long long)(sbi->kbytes_written +
- BD_PART_WRITTEN(sbi)));
+ ((f2fs_get_sectors_written(sbi) -
+ sbi->sectors_written_start) >> 1)));
+}
+
+static ssize_t sb_status_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ return sprintf(buf, "%lx\n", sbi->s_flag);
}
static ssize_t features_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
- struct super_block *sb = sbi->sb;
int len = 0;
- if (!sb->s_bdev->bd_part)
- return sprintf(buf, "0\n");
-
if (f2fs_sb_has_encrypt(sbi))
len += scnprintf(buf, PAGE_SIZE - len, "%s",
"encryption");
@@ -145,6 +158,9 @@ static ssize_t features_show(struct f2fs_attr *a,
if (f2fs_sb_has_casefold(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "casefold");
+ if (f2fs_sb_has_readonly(sbi))
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
+ len ? ", " : "", "readonly");
if (f2fs_sb_has_compression(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len ? ", " : "", "compression");
@@ -263,6 +279,42 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
return len;
}
+ if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ int len = 0;
+ int class = IOPRIO_PRIO_CLASS(cprc->ckpt_thread_ioprio);
+ int data = IOPRIO_PRIO_DATA(cprc->ckpt_thread_ioprio);
+
+ if (class == IOPRIO_CLASS_RT)
+ len += scnprintf(buf + len, PAGE_SIZE - len, "rt,");
+ else if (class == IOPRIO_CLASS_BE)
+ len += scnprintf(buf + len, PAGE_SIZE - len, "be,");
+ else
+ return -EINVAL;
+
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%d\n", data);
+ return len;
+ }
+
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (!strcmp(a->attr.name, "compr_written_block"))
+ return sysfs_emit(buf, "%llu\n", sbi->compr_written_block);
+
+ if (!strcmp(a->attr.name, "compr_saved_block"))
+ return sysfs_emit(buf, "%llu\n", sbi->compr_saved_block);
+
+ if (!strcmp(a->attr.name, "compr_new_inode"))
+ return sysfs_emit(buf, "%u\n", sbi->compr_new_inode);
+#endif
+
+ if (!strcmp(a->attr.name, "gc_segment_mode"))
+ return sysfs_emit(buf, "%u\n", sbi->gc_segment_mode);
+
+ if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
+ return sysfs_emit(buf, "%u\n",
+ sbi->gc_reclaimed_segs[sbi->gc_segment_mode]);
+ }
+
ui = (unsigned int *)(ptr + a->offset);
return sprintf(buf, "%u\n", *ui);
@@ -316,6 +368,38 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
return ret ? ret : count;
}
+ if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
+ const char *name = strim((char *)buf);
+ struct ckpt_req_control *cprc = &sbi->cprc_info;
+ int class;
+ long data;
+ int ret;
+
+ if (!strncmp(name, "rt,", 3))
+ class = IOPRIO_CLASS_RT;
+ else if (!strncmp(name, "be,", 3))
+ class = IOPRIO_CLASS_BE;
+ else
+ return -EINVAL;
+
+ name += 3;
+ ret = kstrtol(name, 10, &data);
+ if (ret)
+ return ret;
+ if (data >= IOPRIO_BE_NR || data < 0)
+ return -EINVAL;
+
+ cprc->ckpt_thread_ioprio = IOPRIO_PRIO_VALUE(class, data);
+ if (test_opt(sbi, MERGE_CHECKPOINT)) {
+ ret = set_task_ioprio(cprc->f2fs_issue_ckpt,
+ cprc->ckpt_thread_ioprio);
+ if (ret)
+ return ret;
+ }
+
+ return count;
+ }
+
ui = (unsigned int *)(ptr + a->offset);
ret = kstrtoul(skip_spaces(buf), 0, &t);
@@ -407,6 +491,53 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
return count;
}
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (!strcmp(a->attr.name, "compr_written_block") ||
+ !strcmp(a->attr.name, "compr_saved_block")) {
+ if (t != 0)
+ return -EINVAL;
+ sbi->compr_written_block = 0;
+ sbi->compr_saved_block = 0;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "compr_new_inode")) {
+ if (t != 0)
+ return -EINVAL;
+ sbi->compr_new_inode = 0;
+ return count;
+ }
+#endif
+
+ if (!strcmp(a->attr.name, "atgc_candidate_ratio")) {
+ if (t > 100)
+ return -EINVAL;
+ sbi->am.candidate_ratio = t;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "atgc_age_weight")) {
+ if (t > 100)
+ return -EINVAL;
+ sbi->am.age_weight = t;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "gc_segment_mode")) {
+ if (t < MAX_GC_MODE)
+ sbi->gc_segment_mode = t;
+ else
+ return -EINVAL;
+ return count;
+ }
+
+ if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
+ if (t != 0)
+ return -EINVAL;
+ sbi->gc_reclaimed_segs[sbi->gc_segment_mode] = 0;
+ return count;
+ }
+
*ui = (unsigned int)t;
return count;
@@ -458,46 +589,49 @@ static void f2fs_sb_release(struct kobject *kobj)
complete(&sbi->s_kobj_unregister);
}
-enum feat_id {
- FEAT_CRYPTO = 0,
- FEAT_BLKZONED,
- FEAT_ATOMIC_WRITE,
- FEAT_EXTRA_ATTR,
- FEAT_PROJECT_QUOTA,
- FEAT_INODE_CHECKSUM,
- FEAT_FLEXIBLE_INLINE_XATTR,
- FEAT_QUOTA_INO,
- FEAT_INODE_CRTIME,
- FEAT_LOST_FOUND,
- FEAT_VERITY,
- FEAT_SB_CHECKSUM,
- FEAT_CASEFOLD,
- FEAT_COMPRESSION,
- FEAT_TEST_DUMMY_ENCRYPTION_V2,
-};
-
+/*
+ * Note that there are three feature list entries:
+ * 1) /sys/fs/f2fs/features
+ * : shows runtime features supported by in-kernel f2fs along with Kconfig.
+ * - ref. F2FS_FEATURE_RO_ATTR()
+ *
+ * 2) /sys/fs/f2fs/$s_id/features <deprecated>
+ * : shows on-disk features enabled by mkfs.f2fs, used for old kernels. This
+ * won't add new feature anymore, and thus, users should check entries in 3)
+ * instead of this 2).
+ *
+ * 3) /sys/fs/f2fs/$s_id/feature_list
+ * : shows on-disk features enabled by mkfs.f2fs per instance, which follows
+ * sysfs entry rule where each entry should expose single value.
+ * This list covers old feature list provided by 2) and beyond. Therefore,
+ * please add new on-disk feature in this list only.
+ * - ref. F2FS_SB_FEATURE_RO_ATTR()
+ */
static ssize_t f2fs_feature_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
- switch (a->id) {
- case FEAT_CRYPTO:
- case FEAT_BLKZONED:
- case FEAT_ATOMIC_WRITE:
- case FEAT_EXTRA_ATTR:
- case FEAT_PROJECT_QUOTA:
- case FEAT_INODE_CHECKSUM:
- case FEAT_FLEXIBLE_INLINE_XATTR:
- case FEAT_QUOTA_INO:
- case FEAT_INODE_CRTIME:
- case FEAT_LOST_FOUND:
- case FEAT_VERITY:
- case FEAT_SB_CHECKSUM:
- case FEAT_CASEFOLD:
- case FEAT_COMPRESSION:
- case FEAT_TEST_DUMMY_ENCRYPTION_V2:
+ return sprintf(buf, "supported\n");
+}
+
+#define F2FS_FEATURE_RO_ATTR(_name) \
+static struct f2fs_attr f2fs_attr_##_name = { \
+ .attr = {.name = __stringify(_name), .mode = 0444 }, \
+ .show = f2fs_feature_show, \
+}
+
+static ssize_t f2fs_sb_feature_show(struct f2fs_attr *a,
+ struct f2fs_sb_info *sbi, char *buf)
+{
+ if (F2FS_HAS_FEATURE(sbi, a->id))
return sprintf(buf, "supported\n");
- }
- return 0;
+ return sprintf(buf, "unsupported\n");
+}
+
+#define F2FS_SB_FEATURE_RO_ATTR(_name, _feat) \
+static struct f2fs_attr f2fs_attr_sb_##_name = { \
+ .attr = {.name = __stringify(_name), .mode = 0444 }, \
+ .show = f2fs_sb_feature_show, \
+ .id = F2FS_FEATURE_##_feat, \
}
#define F2FS_ATTR_OFFSET(_struct_type, _name, _mode, _show, _store, _offset) \
@@ -517,13 +651,6 @@ static struct f2fs_attr f2fs_attr_##_name = { \
#define F2FS_GENERAL_RO_ATTR(name) \
static struct f2fs_attr f2fs_attr_##name = __ATTR(name, 0444, name##_show, NULL)
-#define F2FS_FEATURE_RO_ATTR(_name, _id) \
-static struct f2fs_attr f2fs_attr_##_name = { \
- .attr = {.name = __stringify(_name), .mode = 0444 }, \
- .show = f2fs_feature_show, \
- .id = _id, \
-}
-
#define F2FS_STAT_ATTR(_struct_type, _struct_name, _name, _elname) \
static struct f2fs_attr f2fs_attr_##_name = { \
.attr = {.name = __stringify(_name), .mode = 0444 }, \
@@ -566,6 +693,7 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info,
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_period_ms, iostat_period_ms);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_io_bytes, max_io_bytes);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold);
F2FS_RW_ATTR(F2FS_SBI, f2fs_super_block, extension_list, extension_list);
#ifdef CONFIG_F2FS_FAULT_INJECTION
@@ -574,8 +702,10 @@ F2FS_RW_ATTR(FAULT_INFO_TYPE, f2fs_fault_info, inject_type, inject_type);
#endif
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, data_io_flag, data_io_flag);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, node_io_flag, node_io_flag);
+F2FS_RW_ATTR(CPRC_INFO, ckpt_req_control, ckpt_thread_ioprio, ckpt_thread_ioprio);
F2FS_GENERAL_RO_ATTR(dirty_segments);
F2FS_GENERAL_RO_ATTR(free_segments);
+F2FS_GENERAL_RO_ATTR(ovp_segments);
F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes);
F2FS_GENERAL_RO_ATTR(features);
F2FS_GENERAL_RO_ATTR(current_reserved_blocks);
@@ -594,30 +724,47 @@ F2FS_GENERAL_RO_ATTR(avg_vblocks);
#endif
#ifdef CONFIG_FS_ENCRYPTION
-F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
-F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2);
-#endif
-#ifdef CONFIG_BLK_DEV_ZONED
-F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
-#endif
-F2FS_FEATURE_RO_ATTR(atomic_write, FEAT_ATOMIC_WRITE);
-F2FS_FEATURE_RO_ATTR(extra_attr, FEAT_EXTRA_ATTR);
-F2FS_FEATURE_RO_ATTR(project_quota, FEAT_PROJECT_QUOTA);
-F2FS_FEATURE_RO_ATTR(inode_checksum, FEAT_INODE_CHECKSUM);
-F2FS_FEATURE_RO_ATTR(flexible_inline_xattr, FEAT_FLEXIBLE_INLINE_XATTR);
-F2FS_FEATURE_RO_ATTR(quota_ino, FEAT_QUOTA_INO);
-F2FS_FEATURE_RO_ATTR(inode_crtime, FEAT_INODE_CRTIME);
-F2FS_FEATURE_RO_ATTR(lost_found, FEAT_LOST_FOUND);
-#ifdef CONFIG_FS_VERITY
-F2FS_FEATURE_RO_ATTR(verity, FEAT_VERITY);
-#endif
-F2FS_FEATURE_RO_ATTR(sb_checksum, FEAT_SB_CHECKSUM);
+F2FS_FEATURE_RO_ATTR(encryption);
+F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2);
#ifdef CONFIG_UNICODE
-F2FS_FEATURE_RO_ATTR(casefold, FEAT_CASEFOLD);
+F2FS_FEATURE_RO_ATTR(encrypted_casefold);
#endif
+#endif /* CONFIG_FS_ENCRYPTION */
+#ifdef CONFIG_BLK_DEV_ZONED
+F2FS_FEATURE_RO_ATTR(block_zoned);
+#endif
+F2FS_FEATURE_RO_ATTR(atomic_write);
+F2FS_FEATURE_RO_ATTR(extra_attr);
+F2FS_FEATURE_RO_ATTR(project_quota);
+F2FS_FEATURE_RO_ATTR(inode_checksum);
+F2FS_FEATURE_RO_ATTR(flexible_inline_xattr);
+F2FS_FEATURE_RO_ATTR(quota_ino);
+F2FS_FEATURE_RO_ATTR(inode_crtime);
+F2FS_FEATURE_RO_ATTR(lost_found);
+#ifdef CONFIG_FS_VERITY
+F2FS_FEATURE_RO_ATTR(verity);
+#endif
+F2FS_FEATURE_RO_ATTR(sb_checksum);
+#ifdef CONFIG_UNICODE
+F2FS_FEATURE_RO_ATTR(casefold);
+#endif
+F2FS_FEATURE_RO_ATTR(readonly);
#ifdef CONFIG_F2FS_FS_COMPRESSION
-F2FS_FEATURE_RO_ATTR(compression, FEAT_COMPRESSION);
+F2FS_FEATURE_RO_ATTR(compression);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_written_block, compr_written_block);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_saved_block, compr_saved_block);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_new_inode, compr_new_inode);
#endif
+F2FS_FEATURE_RO_ATTR(pin_file);
+
+/* For ATGC */
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_candidate_ratio, candidate_ratio);
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_candidate_count, max_candidate_count);
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_weight, age_weight);
+F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_threshold, age_threshold);
+
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_segment_mode, gc_segment_mode);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_reclaimed_segments, gc_reclaimed_segs);
#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
static struct attribute *f2fs_attrs[] = {
@@ -652,6 +799,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(iostat_enable),
ATTR_LIST(iostat_period_ms),
ATTR_LIST(readdir_ra),
+ ATTR_LIST(max_io_bytes),
ATTR_LIST(gc_pin_file_thresh),
ATTR_LIST(extension_list),
#ifdef CONFIG_F2FS_FAULT_INJECTION
@@ -660,8 +808,10 @@ static struct attribute *f2fs_attrs[] = {
#endif
ATTR_LIST(data_io_flag),
ATTR_LIST(node_io_flag),
+ ATTR_LIST(ckpt_thread_ioprio),
ATTR_LIST(dirty_segments),
ATTR_LIST(free_segments),
+ ATTR_LIST(ovp_segments),
ATTR_LIST(unusable),
ATTR_LIST(lifetime_write_kbytes),
ATTR_LIST(features),
@@ -678,6 +828,18 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(moved_blocks_background),
ATTR_LIST(avg_vblocks),
#endif
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ ATTR_LIST(compr_written_block),
+ ATTR_LIST(compr_saved_block),
+ ATTR_LIST(compr_new_inode),
+#endif
+ /* For ATGC */
+ ATTR_LIST(atgc_candidate_ratio),
+ ATTR_LIST(atgc_candidate_count),
+ ATTR_LIST(atgc_age_weight),
+ ATTR_LIST(atgc_age_threshold),
+ ATTR_LIST(gc_segment_mode),
+ ATTR_LIST(gc_reclaimed_segments),
NULL,
};
ATTRIBUTE_GROUPS(f2fs);
@@ -686,7 +848,10 @@ static struct attribute *f2fs_feat_attrs[] = {
#ifdef CONFIG_FS_ENCRYPTION
ATTR_LIST(encryption),
ATTR_LIST(test_dummy_encryption_v2),
+#ifdef CONFIG_UNICODE
+ ATTR_LIST(encrypted_casefold),
#endif
+#endif /* CONFIG_FS_ENCRYPTION */
#ifdef CONFIG_BLK_DEV_ZONED
ATTR_LIST(block_zoned),
#endif
@@ -705,13 +870,56 @@ static struct attribute *f2fs_feat_attrs[] = {
#ifdef CONFIG_UNICODE
ATTR_LIST(casefold),
#endif
+ ATTR_LIST(readonly),
#ifdef CONFIG_F2FS_FS_COMPRESSION
ATTR_LIST(compression),
#endif
+ ATTR_LIST(pin_file),
NULL,
};
ATTRIBUTE_GROUPS(f2fs_feat);
+F2FS_GENERAL_RO_ATTR(sb_status);
+static struct attribute *f2fs_stat_attrs[] = {
+ ATTR_LIST(sb_status),
+ NULL,
+};
+ATTRIBUTE_GROUPS(f2fs_stat);
+
+F2FS_SB_FEATURE_RO_ATTR(encryption, ENCRYPT);
+F2FS_SB_FEATURE_RO_ATTR(block_zoned, BLKZONED);
+F2FS_SB_FEATURE_RO_ATTR(extra_attr, EXTRA_ATTR);
+F2FS_SB_FEATURE_RO_ATTR(project_quota, PRJQUOTA);
+F2FS_SB_FEATURE_RO_ATTR(inode_checksum, INODE_CHKSUM);
+F2FS_SB_FEATURE_RO_ATTR(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
+F2FS_SB_FEATURE_RO_ATTR(quota_ino, QUOTA_INO);
+F2FS_SB_FEATURE_RO_ATTR(inode_crtime, INODE_CRTIME);
+F2FS_SB_FEATURE_RO_ATTR(lost_found, LOST_FOUND);
+F2FS_SB_FEATURE_RO_ATTR(verity, VERITY);
+F2FS_SB_FEATURE_RO_ATTR(sb_checksum, SB_CHKSUM);
+F2FS_SB_FEATURE_RO_ATTR(casefold, CASEFOLD);
+F2FS_SB_FEATURE_RO_ATTR(compression, COMPRESSION);
+F2FS_SB_FEATURE_RO_ATTR(readonly, RO);
+
+static struct attribute *f2fs_sb_feat_attrs[] = {
+ ATTR_LIST(sb_encryption),
+ ATTR_LIST(sb_block_zoned),
+ ATTR_LIST(sb_extra_attr),
+ ATTR_LIST(sb_project_quota),
+ ATTR_LIST(sb_inode_checksum),
+ ATTR_LIST(sb_flexible_inline_xattr),
+ ATTR_LIST(sb_quota_ino),
+ ATTR_LIST(sb_inode_crtime),
+ ATTR_LIST(sb_lost_found),
+ ATTR_LIST(sb_verity),
+ ATTR_LIST(sb_sb_checksum),
+ ATTR_LIST(sb_casefold),
+ ATTR_LIST(sb_compression),
+ ATTR_LIST(sb_readonly),
+ NULL,
+};
+ATTRIBUTE_GROUPS(f2fs_sb_feat);
+
static const struct sysfs_ops f2fs_attr_ops = {
.show = f2fs_attr_show,
.store = f2fs_attr_store,
@@ -740,6 +948,71 @@ static struct kobject f2fs_feat = {
.kset = &f2fs_kset,
};
+static ssize_t f2fs_stat_attr_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+ s_stat_kobj);
+ struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
+
+ return a->show ? a->show(a, sbi, buf) : 0;
+}
+
+static ssize_t f2fs_stat_attr_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t len)
+{
+ struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+ s_stat_kobj);
+ struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
+
+ return a->store ? a->store(a, sbi, buf, len) : 0;
+}
+
+static void f2fs_stat_kobj_release(struct kobject *kobj)
+{
+ struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+ s_stat_kobj);
+ complete(&sbi->s_stat_kobj_unregister);
+}
+
+static const struct sysfs_ops f2fs_stat_attr_ops = {
+ .show = f2fs_stat_attr_show,
+ .store = f2fs_stat_attr_store,
+};
+
+static struct kobj_type f2fs_stat_ktype = {
+ .default_groups = f2fs_stat_groups,
+ .sysfs_ops = &f2fs_stat_attr_ops,
+ .release = f2fs_stat_kobj_release,
+};
+
+static ssize_t f2fs_sb_feat_attr_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+ s_feature_list_kobj);
+ struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
+
+ return a->show ? a->show(a, sbi, buf) : 0;
+}
+
+static void f2fs_feature_list_kobj_release(struct kobject *kobj)
+{
+ struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
+ s_feature_list_kobj);
+ complete(&sbi->s_feature_list_kobj_unregister);
+}
+
+static const struct sysfs_ops f2fs_feature_list_attr_ops = {
+ .show = f2fs_sb_feat_attr_show,
+};
+
+static struct kobj_type f2fs_feature_list_ktype = {
+ .default_groups = f2fs_sb_feat_groups,
+ .sysfs_ops = &f2fs_feature_list_attr_ops,
+ .release = f2fs_feature_list_kobj_release,
+};
+
static int __maybe_unused segment_info_seq_show(struct seq_file *seq,
void *offset)
{
@@ -946,11 +1219,23 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi)
init_completion(&sbi->s_kobj_unregister);
err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL,
"%s", sb->s_id);
- if (err) {
- kobject_put(&sbi->s_kobj);
- wait_for_completion(&sbi->s_kobj_unregister);
- return err;
- }
+ if (err)
+ goto put_sb_kobj;
+
+ sbi->s_stat_kobj.kset = &f2fs_kset;
+ init_completion(&sbi->s_stat_kobj_unregister);
+ err = kobject_init_and_add(&sbi->s_stat_kobj, &f2fs_stat_ktype,
+ &sbi->s_kobj, "stat");
+ if (err)
+ goto put_stat_kobj;
+
+ sbi->s_feature_list_kobj.kset = &f2fs_kset;
+ init_completion(&sbi->s_feature_list_kobj_unregister);
+ err = kobject_init_and_add(&sbi->s_feature_list_kobj,
+ &f2fs_feature_list_ktype,
+ &sbi->s_kobj, "feature_list");
+ if (err)
+ goto put_feature_list_kobj;
if (f2fs_proc_root)
sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
@@ -966,6 +1251,16 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi)
victim_bits_seq_show, sb);
}
return 0;
+put_feature_list_kobj:
+ kobject_put(&sbi->s_feature_list_kobj);
+ wait_for_completion(&sbi->s_feature_list_kobj_unregister);
+put_stat_kobj:
+ kobject_put(&sbi->s_stat_kobj);
+ wait_for_completion(&sbi->s_stat_kobj_unregister);
+put_sb_kobj:
+ kobject_put(&sbi->s_kobj);
+ wait_for_completion(&sbi->s_kobj_unregister);
+ return err;
}
void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)
@@ -977,6 +1272,14 @@ void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)
remove_proc_entry("victim_bits", sbi->s_proc);
remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);
}
+
+ kobject_del(&sbi->s_stat_kobj);
+ kobject_put(&sbi->s_stat_kobj);
+ wait_for_completion(&sbi->s_stat_kobj_unregister);
+ kobject_del(&sbi->s_feature_list_kobj);
+ kobject_put(&sbi->s_feature_list_kobj);
+ wait_for_completion(&sbi->s_feature_list_kobj_unregister);
+
kobject_del(&sbi->s_kobj);
kobject_put(&sbi->s_kobj);
wait_for_completion(&sbi->s_kobj_unregister);
diff --git a/fs/f2fs/trace.c b/fs/f2fs/trace.c
deleted file mode 100644
index d0ab533..0000000
--- a/fs/f2fs/trace.c
+++ /dev/null
@@ -1,165 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * f2fs IO tracer
- *
- * Copyright (c) 2014 Motorola Mobility
- * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
- */
-#include <linux/fs.h>
-#include <linux/f2fs_fs.h>
-#include <linux/sched.h>
-#include <linux/radix-tree.h>
-
-#include "f2fs.h"
-#include "trace.h"
-
-static RADIX_TREE(pids, GFP_ATOMIC);
-static spinlock_t pids_lock;
-static struct last_io_info last_io;
-
-static inline void __print_last_io(void)
-{
- if (!last_io.len)
- return;
-
- trace_printk("%3x:%3x %4x %-16s %2x %5x %5x %12x %4x\n",
- last_io.major, last_io.minor,
- last_io.pid, "----------------",
- last_io.type,
- last_io.fio.op, last_io.fio.op_flags,
- last_io.fio.new_blkaddr,
- last_io.len);
- memset(&last_io, 0, sizeof(last_io));
-}
-
-static int __file_type(struct inode *inode, pid_t pid)
-{
- if (f2fs_is_atomic_file(inode))
- return __ATOMIC_FILE;
- else if (f2fs_is_volatile_file(inode))
- return __VOLATILE_FILE;
- else if (S_ISDIR(inode->i_mode))
- return __DIR_FILE;
- else if (inode->i_ino == F2FS_NODE_INO(F2FS_I_SB(inode)))
- return __NODE_FILE;
- else if (inode->i_ino == F2FS_META_INO(F2FS_I_SB(inode)))
- return __META_FILE;
- else if (pid)
- return __NORMAL_FILE;
- else
- return __MISC_FILE;
-}
-
-void f2fs_trace_pid(struct page *page)
-{
- struct inode *inode = page->mapping->host;
- pid_t pid = task_pid_nr(current);
- void *p;
-
- set_page_private(page, (unsigned long)pid);
-
-retry:
- if (radix_tree_preload(GFP_NOFS))
- return;
-
- spin_lock(&pids_lock);
- p = radix_tree_lookup(&pids, pid);
- if (p == current)
- goto out;
- if (p)
- radix_tree_delete(&pids, pid);
-
- if (radix_tree_insert(&pids, pid, current)) {
- spin_unlock(&pids_lock);
- radix_tree_preload_end();
- cond_resched();
- goto retry;
- }
-
- trace_printk("%3x:%3x %4x %-16s\n",
- MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev),
- pid, current->comm);
-out:
- spin_unlock(&pids_lock);
- radix_tree_preload_end();
-}
-
-void f2fs_trace_ios(struct f2fs_io_info *fio, int flush)
-{
- struct inode *inode;
- pid_t pid;
- int major, minor;
-
- if (flush) {
- __print_last_io();
- return;
- }
-
- inode = fio->page->mapping->host;
- pid = page_private(fio->page);
-
- major = MAJOR(inode->i_sb->s_dev);
- minor = MINOR(inode->i_sb->s_dev);
-
- if (last_io.major == major && last_io.minor == minor &&
- last_io.pid == pid &&
- last_io.type == __file_type(inode, pid) &&
- last_io.fio.op == fio->op &&
- last_io.fio.op_flags == fio->op_flags &&
- last_io.fio.new_blkaddr + last_io.len ==
- fio->new_blkaddr) {
- last_io.len++;
- return;
- }
-
- __print_last_io();
-
- last_io.major = major;
- last_io.minor = minor;
- last_io.pid = pid;
- last_io.type = __file_type(inode, pid);
- last_io.fio = *fio;
- last_io.len = 1;
- return;
-}
-
-void f2fs_build_trace_ios(void)
-{
- spin_lock_init(&pids_lock);
-}
-
-#define PIDVEC_SIZE 128
-static unsigned int gang_lookup_pids(pid_t *results, unsigned long first_index,
- unsigned int max_items)
-{
- struct radix_tree_iter iter;
- void **slot;
- unsigned int ret = 0;
-
- if (unlikely(!max_items))
- return 0;
-
- radix_tree_for_each_slot(slot, &pids, &iter, first_index) {
- results[ret] = iter.index;
- if (++ret == max_items)
- break;
- }
- return ret;
-}
-
-void f2fs_destroy_trace_ios(void)
-{
- pid_t pid[PIDVEC_SIZE];
- pid_t next_pid = 0;
- unsigned int found;
-
- spin_lock(&pids_lock);
- while ((found = gang_lookup_pids(pid, next_pid, PIDVEC_SIZE))) {
- unsigned idx;
-
- next_pid = pid[found - 1] + 1;
- for (idx = 0; idx < found; idx++)
- radix_tree_delete(&pids, pid[idx]);
- }
- spin_unlock(&pids_lock);
-}
diff --git a/fs/f2fs/trace.h b/fs/f2fs/trace.h
deleted file mode 100644
index 789f6aa..0000000
--- a/fs/f2fs/trace.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * f2fs IO tracer
- *
- * Copyright (c) 2014 Motorola Mobility
- * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org>
- */
-#ifndef __F2FS_TRACE_H__
-#define __F2FS_TRACE_H__
-
-#ifdef CONFIG_F2FS_IO_TRACE
-#include <trace/events/f2fs.h>
-
-enum file_type {
- __NORMAL_FILE,
- __DIR_FILE,
- __NODE_FILE,
- __META_FILE,
- __ATOMIC_FILE,
- __VOLATILE_FILE,
- __MISC_FILE,
-};
-
-struct last_io_info {
- int major, minor;
- pid_t pid;
- enum file_type type;
- struct f2fs_io_info fio;
- block_t len;
-};
-
-extern void f2fs_trace_pid(struct page *);
-extern void f2fs_trace_ios(struct f2fs_io_info *, int);
-extern void f2fs_build_trace_ios(void);
-extern void f2fs_destroy_trace_ios(void);
-#else
-#define f2fs_trace_pid(p)
-#define f2fs_trace_ios(i, n)
-#define f2fs_build_trace_ios()
-#define f2fs_destroy_trace_ios()
-
-#endif
-#endif /* __F2FS_TRACE_H__ */
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 65afcc3..e8f7fbb 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -44,7 +44,7 @@ static void xattr_free(struct f2fs_sb_info *sbi, void *xattr_addr,
static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
@@ -99,7 +99,7 @@ static bool f2fs_xattr_trusted_list(struct dentry *dentry)
static int f2fs_xattr_advise_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
if (buffer)
*((char *)buffer) = F2FS_I(inode)->i_advise;
@@ -327,7 +327,7 @@ static int lookup_all_xattrs(struct inode *inode, struct page *ipage,
void *last_addr = NULL;
nid_t xnid = F2FS_I(inode)->i_xattr_nid;
unsigned int inline_size = inline_xattr_size(inode);
- int err = 0;
+ int err;
if (!xnid && !inline_size)
return -ENODATA;
@@ -486,6 +486,7 @@ static inline int write_all_xattrs(struct inode *inode, __u32 hsize,
f2fs_wait_on_page_writeback(xpage, NODE, true, true);
} else {
struct dnode_of_data dn;
+
set_new_dnode(&dn, inode, NULL, NULL, new_nid);
xpage = f2fs_new_node_page(&dn, XATTR_NODE_OFFSET);
if (IS_ERR(xpage)) {
@@ -515,7 +516,7 @@ int f2fs_getxattr(struct inode *inode, int index, const char *name,
void *buffer, size_t buffer_size, struct page *ipage)
{
struct f2fs_xattr_entry *entry = NULL;
- int error = 0;
+ int error;
unsigned int size, len;
void *base_addr = NULL;
int base_size;
@@ -562,7 +563,7 @@ ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
struct inode *inode = d_inode(dentry);
struct f2fs_xattr_entry *entry;
void *base_addr, *last_base_addr;
- int error = 0;
+ int error;
size_t rest = buffer_size;
down_read(&F2FS_I(inode)->i_xattr_sem);
@@ -632,7 +633,7 @@ static int __f2fs_setxattr(struct inode *inode, int index,
int found, newsize;
size_t len;
__u32 new_hsize;
- int error = 0;
+ int error;
if (name == NULL)
return -EINVAL;
@@ -673,7 +674,7 @@ static int __f2fs_setxattr(struct inode *inode, int index,
}
if (value && f2fs_xattr_value_same(here, value, size))
- goto exit;
+ goto same;
} else if ((flags & XATTR_REPLACE)) {
error = -ENODATA;
goto exit;
@@ -738,17 +739,20 @@ static int __f2fs_setxattr(struct inode *inode, int index,
if (error)
goto exit;
- if (is_inode_flag_set(inode, FI_ACL_MODE)) {
- inode->i_mode = F2FS_I(inode)->i_acl_mode;
- inode->i_ctime = current_time(inode);
- clear_inode_flag(inode, FI_ACL_MODE);
- }
if (index == F2FS_XATTR_INDEX_ENCRYPTION &&
!strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT))
f2fs_set_encrypted_inode(inode);
f2fs_mark_inode_dirty_sync(inode, true);
if (!error && S_ISDIR(inode->i_mode))
set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP);
+
+same:
+ if (is_inode_flag_set(inode, FI_ACL_MODE)) {
+ inode->i_mode = F2FS_I(inode)->i_acl_mode;
+ inode->i_ctime = current_time(inode);
+ clear_inode_flag(inode, FI_ACL_MODE);
+ }
+
exit:
kfree(base_addr);
return error;
diff --git a/fs/fuse/Makefile b/fs/fuse/Makefile
index 8c7021f..20ed23a 100644
--- a/fs/fuse/Makefile
+++ b/fs/fuse/Makefile
@@ -8,6 +8,7 @@
obj-$(CONFIG_VIRTIO_FS) += virtiofs.o
fuse-y := dev.o dir.o file.o inode.o control.o xattr.o acl.o readdir.o
+fuse-y += passthrough.o
fuse-$(CONFIG_FUSE_DAX) += dax.o
virtiofs-y := virtio_fs.o
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index d100b5d..c93b015 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -14,6 +14,7 @@
#include <linux/sched/signal.h>
#include <linux/uio.h>
#include <linux/miscdevice.h>
+#include <linux/namei.h>
#include <linux/pagemap.h>
#include <linux/file.h>
#include <linux/slab.h>
@@ -683,7 +684,11 @@ static void fuse_copy_finish(struct fuse_copy_state *cs)
flush_dcache_page(cs->pg);
set_page_dirty_lock(cs->pg);
}
- put_page(cs->pg);
+ /*
+ * The page could be GUP page(see iov_iter_get_pages in
+ * fuse_copy_fill) so use put_user_page to release it.
+ */
+ put_user_page(cs->pg);
}
cs->pg = NULL;
}
@@ -1924,6 +1929,14 @@ static ssize_t fuse_dev_do_write(struct fuse_dev *fud,
err = copy_out_args(cs, req->args, nbytes);
fuse_copy_finish(cs);
+ if (!err && req->in.h.opcode == FUSE_CANONICAL_PATH) {
+ char *path = (char *)req->args->out_args[0].value;
+
+ path[req->args->out_args[0].size - 1] = 0;
+ req->out.h.error =
+ kern_path(path, 0, req->args->canonical_path);
+ }
+
spin_lock(&fpq->lock);
clear_bit(FR_LOCKED, &req->flags);
if (!fpq->connected)
@@ -2253,37 +2266,50 @@ static int fuse_device_clone(struct fuse_conn *fc, struct file *new)
static long fuse_dev_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- int err = -ENOTTY;
+ int res;
+ int oldfd;
+ struct fuse_dev *fud = NULL;
- if (cmd == FUSE_DEV_IOC_CLONE) {
- int oldfd;
-
- err = -EFAULT;
- if (!get_user(oldfd, (__u32 __user *) arg)) {
+ switch (cmd) {
+ case FUSE_DEV_IOC_CLONE:
+ res = -EFAULT;
+ if (!get_user(oldfd, (__u32 __user *)arg)) {
struct file *old = fget(oldfd);
- err = -EINVAL;
+ res = -EINVAL;
if (old) {
- struct fuse_dev *fud = NULL;
-
/*
* Check against file->f_op because CUSE
* uses the same ioctl handler.
*/
if (old->f_op == file->f_op &&
- old->f_cred->user_ns == file->f_cred->user_ns)
+ old->f_cred->user_ns ==
+ file->f_cred->user_ns)
fud = fuse_get_dev(old);
if (fud) {
mutex_lock(&fuse_mutex);
- err = fuse_device_clone(fud->fc, file);
+ res = fuse_device_clone(fud->fc, file);
mutex_unlock(&fuse_mutex);
}
fput(old);
}
}
+ break;
+ case FUSE_DEV_IOC_PASSTHROUGH_OPEN:
+ res = -EFAULT;
+ if (!get_user(oldfd, (__u32 __user *)arg)) {
+ res = -EINVAL;
+ fud = fuse_get_dev(file);
+ if (fud)
+ res = fuse_passthrough_open(fud, oldfd);
+ }
+ break;
+ default:
+ res = -ENOTTY;
+ break;
}
- return err;
+ return res;
}
const struct file_operations fuse_dev_operations = {
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 2e30017..b543932 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -389,6 +389,45 @@ static struct vfsmount *fuse_dentry_automount(struct path *path)
return ERR_PTR(err);
}
+/*
+ * Get the canonical path. Since we must translate to a path, this must be done
+ * in the context of the userspace daemon, however, the userspace daemon cannot
+ * look up paths on its own. Instead, we handle the lookup as a special case
+ * inside of the write request.
+ */
+static void fuse_dentry_canonical_path(const struct path *path,
+ struct path *canonical_path)
+{
+ struct inode *inode = d_inode(path->dentry);
+ //struct fuse_conn *fc = get_fuse_conn(inode);
+ struct fuse_mount *fm = get_fuse_mount_super(path->mnt->mnt_sb);
+ FUSE_ARGS(args);
+ char *path_name;
+ int err;
+
+ path_name = (char *)get_zeroed_page(GFP_KERNEL);
+ if (!path_name)
+ goto default_path;
+
+ args.opcode = FUSE_CANONICAL_PATH;
+ args.nodeid = get_node_id(inode);
+ args.in_numargs = 0;
+ args.out_numargs = 1;
+ args.out_args[0].size = PATH_MAX;
+ args.out_args[0].value = path_name;
+ args.canonical_path = canonical_path;
+ args.out_argvar = 1;
+
+ err = fuse_simple_request(fm, &args);
+ free_page((unsigned long)path_name);
+ if (err > 0)
+ return;
+default_path:
+ canonical_path->dentry = path->dentry;
+ canonical_path->mnt = path->mnt;
+ path_get(canonical_path);
+}
+
const struct dentry_operations fuse_dentry_operations = {
.d_revalidate = fuse_dentry_revalidate,
.d_delete = fuse_dentry_delete,
@@ -397,6 +436,7 @@ const struct dentry_operations fuse_dentry_operations = {
.d_release = fuse_dentry_release,
#endif
.d_automount = fuse_dentry_automount,
+ .d_canonical_path = fuse_dentry_canonical_path,
};
const struct dentry_operations fuse_root_dentry_operations = {
@@ -529,6 +569,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
{
int err;
struct inode *inode;
+ struct fuse_conn *fc = get_fuse_conn(dir);
struct fuse_mount *fm = get_fuse_mount(dir);
FUSE_ARGS(args);
struct fuse_forget_link *forget;
@@ -584,6 +625,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
ff->fh = outopen.fh;
ff->nodeid = outentry.nodeid;
ff->open_flags = outopen.open_flags;
+ fuse_passthrough_setup(fc, ff, &outopen);
inode = fuse_iget(dir->i_sb, outentry.nodeid, outentry.generation,
&outentry.attr, entry_attr_timeout(&outentry), 0);
if (!inode) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c9606f2..09610d2 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -152,7 +152,7 @@ int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file,
if (!err) {
ff->fh = outarg.fh;
ff->open_flags = outarg.open_flags;
-
+ fuse_passthrough_setup(fc, ff, &outarg);
} else if (err != -ENOSYS) {
fuse_file_free(ff);
return err;
@@ -301,6 +301,8 @@ void fuse_release_common(struct file *file, bool isdir)
struct fuse_release_args *ra = ff->release_args;
int opcode = isdir ? FUSE_RELEASEDIR : FUSE_RELEASE;
+ fuse_passthrough_release(&ff->passthrough);
+
fuse_prepare_release(fi, ff, file->f_flags, opcode);
if (ff->flock) {
@@ -1584,7 +1586,9 @@ static ssize_t fuse_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
if (FUSE_IS_DAX(inode))
return fuse_dax_read_iter(iocb, to);
- if (!(ff->open_flags & FOPEN_DIRECT_IO))
+ if (ff->passthrough.filp)
+ return fuse_passthrough_read_iter(iocb, to);
+ else if (!(ff->open_flags & FOPEN_DIRECT_IO))
return fuse_cache_read_iter(iocb, to);
else
return fuse_direct_read_iter(iocb, to);
@@ -1602,7 +1606,9 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (FUSE_IS_DAX(inode))
return fuse_dax_write_iter(iocb, from);
- if (!(ff->open_flags & FOPEN_DIRECT_IO))
+ if (ff->passthrough.filp)
+ return fuse_passthrough_write_iter(iocb, from);
+ else if (!(ff->open_flags & FOPEN_DIRECT_IO))
return fuse_cache_write_iter(iocb, from);
else
return fuse_direct_write_iter(iocb, from);
@@ -2375,6 +2381,9 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
if (FUSE_IS_DAX(file_inode(file)))
return fuse_dax_mmap(file, vma);
+ if (ff->passthrough.filp)
+ return fuse_passthrough_mmap(file, vma);
+
if (ff->open_flags & FOPEN_DIRECT_IO) {
/* Can't provide the coherency needed for MAP_SHARED */
if (vma->vm_flags & VM_MAYSHARE)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index ff94da6..63225ed 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -180,6 +180,17 @@ struct fuse_conn;
struct fuse_mount;
struct fuse_release_args;
+/**
+ * Reference to lower filesystem file for read/write operations handled in
+ * passthrough mode.
+ * This struct also tracks the credentials to be used for handling read/write
+ * operations.
+ */
+struct fuse_passthrough {
+ struct file *filp;
+ struct cred *cred;
+};
+
/** FUSE specific file data */
struct fuse_file {
/** Fuse connection for this file */
@@ -225,6 +236,9 @@ struct fuse_file {
} readdir;
+ /** Container for data related to the passthrough functionality */
+ struct fuse_passthrough passthrough;
+
/** RB node to be linked on fuse_conn->polled_files */
struct rb_node polled_node;
@@ -270,6 +284,9 @@ struct fuse_args {
struct fuse_in_arg in_args[3];
struct fuse_arg out_args[2];
void (*end)(struct fuse_mount *fm, struct fuse_args *args, int error);
+
+ /* Path used for completing d_canonical_path */
+ struct path *canonical_path;
};
struct fuse_args_pages {
@@ -373,10 +390,8 @@ struct fuse_req {
/** Used to wake up the task waiting for completion of request*/
wait_queue_head_t waitq;
-#if IS_ENABLED(CONFIG_VIRTIO_FS)
/** virtio-fs's physically contiguous buffer for in and out args */
void *argbuf;
-#endif
/** fuse_mount this request belongs to */
struct fuse_mount *fm;
@@ -747,6 +762,9 @@ struct fuse_conn {
/* Auto-mount submounts announced by the server */
unsigned int auto_submounts:1;
+ /** Passthrough mode for read/write IO */
+ unsigned int passthrough:1;
+
/** The number of requests waiting for completion */
atomic_t num_waiting;
@@ -790,6 +808,12 @@ struct fuse_conn {
/** List of filesystems using this connection */
struct list_head mounts;
+
+ /** IDR for passthrough requests */
+ struct idr passthrough_req;
+
+ /** Protects passthrough_req */
+ spinlock_t passthrough_req_lock;
};
/*
@@ -1231,4 +1255,13 @@ void fuse_dax_inode_cleanup(struct inode *inode);
bool fuse_dax_check_alignment(struct fuse_conn *fc, unsigned int map_alignment);
void fuse_dax_cancel_work(struct fuse_conn *fc);
+/* passthrough.c */
+int fuse_passthrough_open(struct fuse_dev *fud, u32 lower_fd);
+int fuse_passthrough_setup(struct fuse_conn *fc, struct fuse_file *ff,
+ struct fuse_open_out *openarg);
+void fuse_passthrough_release(struct fuse_passthrough *passthrough);
+ssize_t fuse_passthrough_read_iter(struct kiocb *iocb, struct iov_iter *to);
+ssize_t fuse_passthrough_write_iter(struct kiocb *iocb, struct iov_iter *from);
+ssize_t fuse_passthrough_mmap(struct file *file, struct vm_area_struct *vma);
+
#endif /* _FS_FUSE_I_H */
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 053c56a..b740088 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -680,6 +680,7 @@ void fuse_conn_init(struct fuse_conn *fc, struct fuse_mount *fm,
memset(fc, 0, sizeof(*fc));
spin_lock_init(&fc->lock);
spin_lock_init(&fc->bg_lock);
+ spin_lock_init(&fc->passthrough_req_lock);
init_rwsem(&fc->killsb);
refcount_set(&fc->count, 1);
atomic_set(&fc->dev_count, 1);
@@ -688,6 +689,7 @@ void fuse_conn_init(struct fuse_conn *fc, struct fuse_mount *fm,
INIT_LIST_HEAD(&fc->bg_queue);
INIT_LIST_HEAD(&fc->entry);
INIT_LIST_HEAD(&fc->devices);
+ idr_init(&fc->passthrough_req);
atomic_set(&fc->num_waiting, 0);
fc->max_background = FUSE_DEFAULT_MAX_BACKGROUND;
fc->congestion_threshold = FUSE_DEFAULT_CONGESTION_THRESHOLD;
@@ -1055,6 +1057,12 @@ static void process_init_reply(struct fuse_mount *fm, struct fuse_args *args,
!fuse_dax_check_alignment(fc, arg->map_alignment)) {
ok = false;
}
+ if (arg->flags & FUSE_PASSTHROUGH) {
+ fc->passthrough = 1;
+ /* Prevent further stacking */
+ fm->sb->s_stack_depth =
+ FILESYSTEM_MAX_STACK_DEPTH;
+ }
} else {
ra_pages = fc->max_read / PAGE_SIZE;
fc->no_lock = 1;
@@ -1097,7 +1105,8 @@ void fuse_send_init(struct fuse_mount *fm)
FUSE_WRITEBACK_CACHE | FUSE_NO_OPEN_SUPPORT |
FUSE_PARALLEL_DIROPS | FUSE_HANDLE_KILLPRIV | FUSE_POSIX_ACL |
FUSE_ABORT_ERROR | FUSE_MAX_PAGES | FUSE_CACHE_SYMLINKS |
- FUSE_NO_OPENDIR_SUPPORT | FUSE_EXPLICIT_INVAL_DATA;
+ FUSE_NO_OPENDIR_SUPPORT | FUSE_EXPLICIT_INVAL_DATA |
+ FUSE_PASSTHROUGH;
#ifdef CONFIG_FUSE_DAX
if (fm->fc->dax)
ia->in.flags |= FUSE_MAP_ALIGNMENT;
@@ -1125,9 +1134,21 @@ void fuse_send_init(struct fuse_mount *fm)
}
EXPORT_SYMBOL_GPL(fuse_send_init);
+static int free_fuse_passthrough(int id, void *p, void *data)
+{
+ struct fuse_passthrough *passthrough = (struct fuse_passthrough *)p;
+
+ fuse_passthrough_release(passthrough);
+ kfree(p);
+
+ return 0;
+}
+
void fuse_free_conn(struct fuse_conn *fc)
{
WARN_ON(!list_empty(&fc->devices));
+ idr_for_each(&fc->passthrough_req, free_fuse_passthrough, NULL);
+ idr_destroy(&fc->passthrough_req);
kfree_rcu(fc, rcu);
}
EXPORT_SYMBOL_GPL(fuse_free_conn);
diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c
new file mode 100644
index 0000000..83125de
--- /dev/null
+++ b/fs/fuse/passthrough.c
@@ -0,0 +1,293 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "fuse_i.h"
+
+#include <linux/fuse.h>
+#include <linux/idr.h>
+#include <linux/uio.h>
+
+#define PASSTHROUGH_IOCB_MASK \
+ (IOCB_APPEND | IOCB_DSYNC | IOCB_HIPRI | IOCB_NOWAIT | IOCB_SYNC)
+
+struct fuse_aio_req {
+ struct kiocb iocb;
+ struct kiocb *iocb_fuse;
+};
+
+static void fuse_file_accessed(struct file *dst_file, struct file *src_file)
+{
+ struct inode *dst_inode;
+ struct inode *src_inode;
+
+ if (dst_file->f_flags & O_NOATIME)
+ return;
+
+ dst_inode = file_inode(dst_file);
+ src_inode = file_inode(src_file);
+
+ if ((!timespec64_equal(&dst_inode->i_mtime, &src_inode->i_mtime) ||
+ !timespec64_equal(&dst_inode->i_ctime, &src_inode->i_ctime))) {
+ dst_inode->i_mtime = src_inode->i_mtime;
+ dst_inode->i_ctime = src_inode->i_ctime;
+ }
+
+ touch_atime(&dst_file->f_path);
+}
+
+static void fuse_copyattr(struct file *dst_file, struct file *src_file)
+{
+ struct inode *dst = file_inode(dst_file);
+ struct inode *src = file_inode(src_file);
+
+ dst->i_atime = src->i_atime;
+ dst->i_mtime = src->i_mtime;
+ dst->i_ctime = src->i_ctime;
+ i_size_write(dst, i_size_read(src));
+}
+
+static void fuse_aio_cleanup_handler(struct fuse_aio_req *aio_req)
+{
+ struct kiocb *iocb = &aio_req->iocb;
+ struct kiocb *iocb_fuse = aio_req->iocb_fuse;
+
+ if (iocb->ki_flags & IOCB_WRITE) {
+ __sb_writers_acquired(file_inode(iocb->ki_filp)->i_sb,
+ SB_FREEZE_WRITE);
+ file_end_write(iocb->ki_filp);
+ fuse_copyattr(iocb_fuse->ki_filp, iocb->ki_filp);
+ }
+
+ iocb_fuse->ki_pos = iocb->ki_pos;
+ kfree(aio_req);
+}
+
+static void fuse_aio_rw_complete(struct kiocb *iocb, long res, long res2)
+{
+ struct fuse_aio_req *aio_req =
+ container_of(iocb, struct fuse_aio_req, iocb);
+ struct kiocb *iocb_fuse = aio_req->iocb_fuse;
+
+ fuse_aio_cleanup_handler(aio_req);
+ iocb_fuse->ki_complete(iocb_fuse, res, res2);
+}
+
+ssize_t fuse_passthrough_read_iter(struct kiocb *iocb_fuse,
+ struct iov_iter *iter)
+{
+ ssize_t ret;
+ const struct cred *old_cred;
+ struct file *fuse_filp = iocb_fuse->ki_filp;
+ struct fuse_file *ff = fuse_filp->private_data;
+ struct file *passthrough_filp = ff->passthrough.filp;
+
+ if (!iov_iter_count(iter))
+ return 0;
+
+ old_cred = override_creds(ff->passthrough.cred);
+ if (is_sync_kiocb(iocb_fuse)) {
+ ret = vfs_iter_read(passthrough_filp, iter, &iocb_fuse->ki_pos,
+ iocb_to_rw_flags(iocb_fuse->ki_flags,
+ PASSTHROUGH_IOCB_MASK));
+ } else {
+ struct fuse_aio_req *aio_req;
+
+ aio_req = kmalloc(sizeof(struct fuse_aio_req), GFP_KERNEL);
+ if (!aio_req) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ aio_req->iocb_fuse = iocb_fuse;
+ kiocb_clone(&aio_req->iocb, iocb_fuse, passthrough_filp);
+ aio_req->iocb.ki_complete = fuse_aio_rw_complete;
+ ret = call_read_iter(passthrough_filp, &aio_req->iocb, iter);
+ if (ret != -EIOCBQUEUED)
+ fuse_aio_cleanup_handler(aio_req);
+ }
+out:
+ revert_creds(old_cred);
+
+ fuse_file_accessed(fuse_filp, passthrough_filp);
+
+ return ret;
+}
+
+ssize_t fuse_passthrough_write_iter(struct kiocb *iocb_fuse,
+ struct iov_iter *iter)
+{
+ ssize_t ret;
+ const struct cred *old_cred;
+ struct file *fuse_filp = iocb_fuse->ki_filp;
+ struct fuse_file *ff = fuse_filp->private_data;
+ struct inode *fuse_inode = file_inode(fuse_filp);
+ struct file *passthrough_filp = ff->passthrough.filp;
+ struct inode *passthrough_inode = file_inode(passthrough_filp);
+
+ if (!iov_iter_count(iter))
+ return 0;
+
+ inode_lock(fuse_inode);
+
+ fuse_copyattr(fuse_filp, passthrough_filp);
+
+ old_cred = override_creds(ff->passthrough.cred);
+ if (is_sync_kiocb(iocb_fuse)) {
+ file_start_write(passthrough_filp);
+ ret = vfs_iter_write(passthrough_filp, iter, &iocb_fuse->ki_pos,
+ iocb_to_rw_flags(iocb_fuse->ki_flags,
+ PASSTHROUGH_IOCB_MASK));
+ file_end_write(passthrough_filp);
+ if (ret > 0)
+ fuse_copyattr(fuse_filp, passthrough_filp);
+ } else {
+ struct fuse_aio_req *aio_req;
+
+ aio_req = kmalloc(sizeof(struct fuse_aio_req), GFP_KERNEL);
+ if (!aio_req) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ file_start_write(passthrough_filp);
+ __sb_writers_release(passthrough_inode->i_sb, SB_FREEZE_WRITE);
+
+ aio_req->iocb_fuse = iocb_fuse;
+ kiocb_clone(&aio_req->iocb, iocb_fuse, passthrough_filp);
+ aio_req->iocb.ki_complete = fuse_aio_rw_complete;
+ ret = call_write_iter(passthrough_filp, &aio_req->iocb, iter);
+ if (ret != -EIOCBQUEUED)
+ fuse_aio_cleanup_handler(aio_req);
+ }
+out:
+ revert_creds(old_cred);
+ inode_unlock(fuse_inode);
+
+ return ret;
+}
+
+ssize_t fuse_passthrough_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ int ret;
+ const struct cred *old_cred;
+ struct fuse_file *ff = file->private_data;
+ struct file *passthrough_filp = ff->passthrough.filp;
+
+ if (!passthrough_filp->f_op->mmap)
+ return -ENODEV;
+
+ if (WARN_ON(file != vma->vm_file))
+ return -EIO;
+
+ vma->vm_file = get_file(passthrough_filp);
+
+ old_cred = override_creds(ff->passthrough.cred);
+ ret = call_mmap(vma->vm_file, vma);
+ revert_creds(old_cred);
+
+ if (ret)
+ fput(passthrough_filp);
+ else
+ fput(file);
+
+ fuse_file_accessed(file, passthrough_filp);
+
+ return ret;
+}
+
+int fuse_passthrough_open(struct fuse_dev *fud, u32 lower_fd)
+{
+ int res;
+ struct file *passthrough_filp;
+ struct fuse_conn *fc = fud->fc;
+ struct inode *passthrough_inode;
+ struct super_block *passthrough_sb;
+ struct fuse_passthrough *passthrough;
+
+ if (!fc->passthrough)
+ return -EPERM;
+
+ passthrough_filp = fget(lower_fd);
+ if (!passthrough_filp) {
+ pr_err("FUSE: invalid file descriptor for passthrough.\n");
+ return -EBADF;
+ }
+
+ if (!passthrough_filp->f_op->read_iter ||
+ !passthrough_filp->f_op->write_iter) {
+ pr_err("FUSE: passthrough file misses file operations.\n");
+ res = -EBADF;
+ goto err_free_file;
+ }
+
+ passthrough_inode = file_inode(passthrough_filp);
+ passthrough_sb = passthrough_inode->i_sb;
+ if (passthrough_sb->s_stack_depth >= FILESYSTEM_MAX_STACK_DEPTH) {
+ pr_err("FUSE: fs stacking depth exceeded for passthrough\n");
+ res = -EINVAL;
+ goto err_free_file;
+ }
+
+ passthrough = kmalloc(sizeof(struct fuse_passthrough), GFP_KERNEL);
+ if (!passthrough) {
+ res = -ENOMEM;
+ goto err_free_file;
+ }
+
+ passthrough->filp = passthrough_filp;
+ passthrough->cred = prepare_creds();
+
+ idr_preload(GFP_KERNEL);
+ spin_lock(&fc->passthrough_req_lock);
+ res = idr_alloc(&fc->passthrough_req, passthrough, 1, 0, GFP_ATOMIC);
+ spin_unlock(&fc->passthrough_req_lock);
+ idr_preload_end();
+
+ if (res > 0)
+ return res;
+
+ fuse_passthrough_release(passthrough);
+ kfree(passthrough);
+
+err_free_file:
+ fput(passthrough_filp);
+
+ return res;
+}
+
+int fuse_passthrough_setup(struct fuse_conn *fc, struct fuse_file *ff,
+ struct fuse_open_out *openarg)
+{
+ struct fuse_passthrough *passthrough;
+ int passthrough_fh = openarg->passthrough_fh;
+
+ if (!fc->passthrough)
+ return -EPERM;
+
+ /* Default case, passthrough is not requested */
+ if (passthrough_fh <= 0)
+ return -EINVAL;
+
+ spin_lock(&fc->passthrough_req_lock);
+ passthrough = idr_remove(&fc->passthrough_req, passthrough_fh);
+ spin_unlock(&fc->passthrough_req_lock);
+
+ if (!passthrough)
+ return -EINVAL;
+
+ ff->passthrough = *passthrough;
+ kfree(passthrough);
+
+ return 0;
+}
+
+void fuse_passthrough_release(struct fuse_passthrough *passthrough)
+{
+ if (passthrough->filp) {
+ fput(passthrough->filp);
+ passthrough->filp = NULL;
+ }
+ if (passthrough->cred) {
+ put_cred(passthrough->cred);
+ passthrough->cred = NULL;
+ }
+}
diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c
index cdea18d..aab4c9c 100644
--- a/fs/fuse/xattr.c
+++ b/fs/fuse/xattr.c
@@ -179,7 +179,7 @@ int fuse_removexattr(struct inode *inode, const char *name)
static int fuse_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size, int flags)
{
if (fuse_is_bad(inode))
return -EIO;
@@ -208,7 +208,7 @@ static bool no_xattr_list(struct dentry *dentry)
static int no_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size, int flags)
{
return -EOPNOTSUPP;
}
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index dd05210..310dee2 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1744,8 +1744,7 @@ void gfs2_glock_complete(struct gfs2_glock *gl, int ret)
spin_unlock(&gl->gl_lockref.lock);
}
-static int glock_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int glock_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct gfs2_glock *gla, *glb;
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 7473b89..1955dea 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -605,7 +605,7 @@ void log_flush_wait(struct gfs2_sbd *sdp)
}
}
-static int ip_cmp(void *priv, const struct list_head *a, const struct list_head *b)
+static int ip_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct gfs2_inode *ipa, *ipb;
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 383ac21..3922b26 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -627,8 +627,7 @@ static void gfs2_check_magic(struct buffer_head *bh)
kunmap_atomic(kaddr);
}
-static int blocknr_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int blocknr_cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct gfs2_bufdata *bda, *bdb;
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index 9d7667b..2e4a9b9 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -588,7 +588,8 @@ static int __gfs2_xattr_get(struct inode *inode, const char *name,
static int gfs2_xattr_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c
index 74fa626..08222a9 100644
--- a/fs/hfs/attr.c
+++ b/fs/hfs/attr.c
@@ -115,7 +115,7 @@ static ssize_t __hfs_getxattr(struct inode *inode, enum hfs_xattr_type type,
static int hfs_xattr_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size, int flags)
{
return __hfs_getxattr(inode, handler->flags, value, size);
}
diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c
index bb0b27d8..381c2aa 100644
--- a/fs/hfsplus/xattr.c
+++ b/fs/hfsplus/xattr.c
@@ -839,7 +839,8 @@ static int hfsplus_removexattr(struct inode *inode, const char *name)
static int hfsplus_osx_getxattr(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
/*
* Don't allow retrieving properly prefixed attributes
diff --git a/fs/hfsplus/xattr_security.c b/fs/hfsplus/xattr_security.c
index cfbe6a3..43e28b3 100644
--- a/fs/hfsplus/xattr_security.c
+++ b/fs/hfsplus/xattr_security.c
@@ -15,7 +15,8 @@
static int hfsplus_security_getxattr(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer,
+ size_t size, int flags)
{
return hfsplus_getxattr(inode, name, buffer, size,
XATTR_SECURITY_PREFIX,
diff --git a/fs/hfsplus/xattr_trusted.c b/fs/hfsplus/xattr_trusted.c
index fbad91e..54d9263 100644
--- a/fs/hfsplus/xattr_trusted.c
+++ b/fs/hfsplus/xattr_trusted.c
@@ -14,7 +14,8 @@
static int hfsplus_trusted_getxattr(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer,
+ size_t size, int flags)
{
return hfsplus_getxattr(inode, name, buffer, size,
XATTR_TRUSTED_PREFIX,
diff --git a/fs/hfsplus/xattr_user.c b/fs/hfsplus/xattr_user.c
index 74d19fa..4d2b1ff 100644
--- a/fs/hfsplus/xattr_user.c
+++ b/fs/hfsplus/xattr_user.c
@@ -14,7 +14,8 @@
static int hfsplus_user_getxattr(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return hfsplus_getxattr(inode, name, buffer, size,
diff --git a/fs/incfs/Kconfig b/fs/incfs/Kconfig
new file mode 100644
index 0000000..5f15000
--- /dev/null
+++ b/fs/incfs/Kconfig
@@ -0,0 +1,13 @@
+config INCREMENTAL_FS
+ tristate "Incremental file system support"
+ depends on BLOCK
+ select DECOMPRESS_LZ4
+ select DECOMPRESS_ZSTD
+ select CRYPTO_SHA256
+ help
+ Incremental FS is a read-only virtual file system that facilitates execution
+ of programs while their binaries are still being lazily downloaded over the
+ network, USB or pigeon post.
+
+ To compile this file system support as a module, choose M here: the
+ module will be called incrementalfs.
diff --git a/fs/incfs/Makefile b/fs/incfs/Makefile
new file mode 100644
index 0000000..05795d1
--- /dev/null
+++ b/fs/incfs/Makefile
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_INCREMENTAL_FS) += incrementalfs.o
+
+incrementalfs-y := \
+ data_mgmt.o \
+ format.o \
+ integrity.o \
+ main.o \
+ pseudo_files.o \
+ sysfs.o \
+ vfs.o
+
+incrementalfs-$(CONFIG_FS_VERITY) += verity.o
diff --git a/fs/incfs/data_mgmt.c b/fs/incfs/data_mgmt.c
new file mode 100644
index 0000000..fbab68a
--- /dev/null
+++ b/fs/incfs/data_mgmt.c
@@ -0,0 +1,1890 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+#include <linux/crc32.h>
+#include <linux/delay.h>
+#include <linux/file.h>
+#include <linux/fsverity.h>
+#include <linux/gfp.h>
+#include <linux/kobject.h>
+#include <linux/ktime.h>
+#include <linux/lz4.h>
+#include <linux/mm.h>
+#include <linux/namei.h>
+#include <linux/pagemap.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "integrity.h"
+#include "sysfs.h"
+#include "verity.h"
+
+static int incfs_scan_metadata_chain(struct data_file *df);
+
+static void log_wake_up_all(struct work_struct *work)
+{
+ struct delayed_work *dw = container_of(work, struct delayed_work, work);
+ struct read_log *rl = container_of(dw, struct read_log, ml_wakeup_work);
+ wake_up_all(&rl->ml_notif_wq);
+}
+
+static void zstd_free_workspace(struct work_struct *work)
+{
+ struct delayed_work *dw = container_of(work, struct delayed_work, work);
+ struct mount_info *mi =
+ container_of(dw, struct mount_info, mi_zstd_cleanup_work);
+
+ mutex_lock(&mi->mi_zstd_workspace_mutex);
+ kvfree(mi->mi_zstd_workspace);
+ mi->mi_zstd_workspace = NULL;
+ mi->mi_zstd_stream = NULL;
+ mutex_unlock(&mi->mi_zstd_workspace_mutex);
+}
+
+struct mount_info *incfs_alloc_mount_info(struct super_block *sb,
+ struct mount_options *options,
+ struct path *backing_dir_path)
+{
+ struct mount_info *mi = NULL;
+ int error = 0;
+ struct incfs_sysfs_node *node;
+
+ mi = kzalloc(sizeof(*mi), GFP_NOFS);
+ if (!mi)
+ return ERR_PTR(-ENOMEM);
+
+ mi->mi_sb = sb;
+ mi->mi_backing_dir_path = *backing_dir_path;
+ mi->mi_owner = get_current_cred();
+ path_get(&mi->mi_backing_dir_path);
+ mutex_init(&mi->mi_dir_struct_mutex);
+ init_waitqueue_head(&mi->mi_pending_reads_notif_wq);
+ init_waitqueue_head(&mi->mi_log.ml_notif_wq);
+ init_waitqueue_head(&mi->mi_blocks_written_notif_wq);
+ atomic_set(&mi->mi_blocks_written, 0);
+ INIT_DELAYED_WORK(&mi->mi_log.ml_wakeup_work, log_wake_up_all);
+ spin_lock_init(&mi->mi_log.rl_lock);
+ spin_lock_init(&mi->pending_read_lock);
+ INIT_LIST_HEAD(&mi->mi_reads_list_head);
+ spin_lock_init(&mi->mi_per_uid_read_timeouts_lock);
+ mutex_init(&mi->mi_zstd_workspace_mutex);
+ INIT_DELAYED_WORK(&mi->mi_zstd_cleanup_work, zstd_free_workspace);
+ mutex_init(&mi->mi_le_mutex);
+
+ node = incfs_add_sysfs_node(options->sysfs_name, mi);
+ if (IS_ERR(node)) {
+ error = PTR_ERR(node);
+ goto err;
+ }
+ mi->mi_sysfs_node = node;
+
+ error = incfs_realloc_mount_info(mi, options);
+ if (error)
+ goto err;
+
+ return mi;
+
+err:
+ incfs_free_mount_info(mi);
+ return ERR_PTR(error);
+}
+
+int incfs_realloc_mount_info(struct mount_info *mi,
+ struct mount_options *options)
+{
+ void *new_buffer = NULL;
+ void *old_buffer;
+ size_t new_buffer_size = 0;
+
+ if (options->read_log_pages != mi->mi_options.read_log_pages) {
+ struct read_log_state log_state;
+ /*
+ * Even though having two buffers allocated at once isn't
+ * usually good, allocating a multipage buffer under a spinlock
+ * is even worse, so let's optimize for the shorter lock
+ * duration. It's not end of the world if we fail to increase
+ * the buffer size anyway.
+ */
+ if (options->read_log_pages > 0) {
+ new_buffer_size = PAGE_SIZE * options->read_log_pages;
+ new_buffer = kzalloc(new_buffer_size, GFP_NOFS);
+ if (!new_buffer)
+ return -ENOMEM;
+ }
+
+ spin_lock(&mi->mi_log.rl_lock);
+ old_buffer = mi->mi_log.rl_ring_buf;
+ mi->mi_log.rl_ring_buf = new_buffer;
+ mi->mi_log.rl_size = new_buffer_size;
+ log_state = (struct read_log_state){
+ .generation_id = mi->mi_log.rl_head.generation_id + 1,
+ };
+ mi->mi_log.rl_head = log_state;
+ mi->mi_log.rl_tail = log_state;
+ spin_unlock(&mi->mi_log.rl_lock);
+
+ kfree(old_buffer);
+ }
+
+ if (options->sysfs_name && !mi->mi_sysfs_node)
+ mi->mi_sysfs_node = incfs_add_sysfs_node(options->sysfs_name,
+ mi);
+ else if (!options->sysfs_name && mi->mi_sysfs_node) {
+ incfs_free_sysfs_node(mi->mi_sysfs_node);
+ mi->mi_sysfs_node = NULL;
+ } else if (options->sysfs_name &&
+ strcmp(options->sysfs_name,
+ kobject_name(&mi->mi_sysfs_node->isn_sysfs_node))) {
+ incfs_free_sysfs_node(mi->mi_sysfs_node);
+ mi->mi_sysfs_node = incfs_add_sysfs_node(options->sysfs_name,
+ mi);
+ }
+
+ if (IS_ERR(mi->mi_sysfs_node)) {
+ int err = PTR_ERR(mi->mi_sysfs_node);
+
+ mi->mi_sysfs_node = NULL;
+ return err;
+ }
+
+ mi->mi_options = *options;
+ return 0;
+}
+
+void incfs_free_mount_info(struct mount_info *mi)
+{
+ int i;
+ if (!mi)
+ return;
+
+ flush_delayed_work(&mi->mi_log.ml_wakeup_work);
+ flush_delayed_work(&mi->mi_zstd_cleanup_work);
+
+ dput(mi->mi_index_dir);
+ dput(mi->mi_incomplete_dir);
+ path_put(&mi->mi_backing_dir_path);
+ mutex_destroy(&mi->mi_dir_struct_mutex);
+ mutex_destroy(&mi->mi_zstd_workspace_mutex);
+ put_cred(mi->mi_owner);
+ kfree(mi->mi_log.rl_ring_buf);
+ for (i = 0; i < ARRAY_SIZE(mi->pseudo_file_xattr); ++i)
+ kfree(mi->pseudo_file_xattr[i].data);
+ kfree(mi->mi_per_uid_read_timeouts);
+ incfs_free_sysfs_node(mi->mi_sysfs_node);
+ kfree(mi);
+}
+
+static void data_file_segment_init(struct data_file_segment *segment)
+{
+ init_waitqueue_head(&segment->new_data_arrival_wq);
+ init_rwsem(&segment->rwsem);
+ INIT_LIST_HEAD(&segment->reads_list_head);
+}
+
+char *file_id_to_str(incfs_uuid_t id)
+{
+ char *result = kmalloc(1 + sizeof(id.bytes) * 2, GFP_NOFS);
+ char *end;
+
+ if (!result)
+ return NULL;
+
+ end = bin2hex(result, id.bytes, sizeof(id.bytes));
+ *end = 0;
+ return result;
+}
+
+struct dentry *incfs_lookup_dentry(struct dentry *parent, const char *name)
+{
+ struct inode *inode;
+ struct dentry *result = NULL;
+
+ if (!parent)
+ return ERR_PTR(-EFAULT);
+
+ inode = d_inode(parent);
+ inode_lock_nested(inode, I_MUTEX_PARENT);
+ result = lookup_one_len(name, parent, strlen(name));
+ inode_unlock(inode);
+
+ if (IS_ERR(result))
+ pr_warn("%s err:%ld\n", __func__, PTR_ERR(result));
+
+ return result;
+}
+
+static struct data_file *handle_mapped_file(struct mount_info *mi,
+ struct data_file *df)
+{
+ char *file_id_str;
+ struct dentry *index_file_dentry;
+ struct path path;
+ struct file *bf;
+ struct data_file *result = NULL;
+ const struct cred *old_cred;
+
+ file_id_str = file_id_to_str(df->df_id);
+ if (!file_id_str)
+ return ERR_PTR(-ENOENT);
+
+ index_file_dentry = incfs_lookup_dentry(mi->mi_index_dir,
+ file_id_str);
+ kfree(file_id_str);
+ if (!index_file_dentry)
+ return ERR_PTR(-ENOENT);
+ if (IS_ERR(index_file_dentry))
+ return (struct data_file *)index_file_dentry;
+ if (!d_really_is_positive(index_file_dentry)) {
+ result = ERR_PTR(-ENOENT);
+ goto out;
+ }
+
+ path = (struct path) {
+ .mnt = mi->mi_backing_dir_path.mnt,
+ .dentry = index_file_dentry
+ };
+
+ old_cred = override_creds(mi->mi_owner);
+ bf = dentry_open(&path, O_RDWR | O_NOATIME | O_LARGEFILE,
+ current_cred());
+ revert_creds(old_cred);
+
+ if (IS_ERR(bf)) {
+ result = (struct data_file *)bf;
+ goto out;
+ }
+
+ result = incfs_open_data_file(mi, bf);
+ fput(bf);
+ if (IS_ERR(result))
+ goto out;
+
+ result->df_mapped_offset = df->df_metadata_off;
+
+out:
+ dput(index_file_dentry);
+ return result;
+}
+
+struct data_file *incfs_open_data_file(struct mount_info *mi, struct file *bf)
+{
+ struct data_file *df = NULL;
+ struct backing_file_context *bfc = NULL;
+ int md_records;
+ u64 size;
+ int error = 0;
+ int i;
+
+ if (!bf || !mi)
+ return ERR_PTR(-EFAULT);
+
+ if (!S_ISREG(bf->f_inode->i_mode))
+ return ERR_PTR(-EBADF);
+
+ bfc = incfs_alloc_bfc(mi, bf);
+ if (IS_ERR(bfc))
+ return ERR_CAST(bfc);
+
+ df = kzalloc(sizeof(*df), GFP_NOFS);
+ if (!df) {
+ error = -ENOMEM;
+ goto out;
+ }
+
+ mutex_init(&df->df_enable_verity);
+
+ df->df_backing_file_context = bfc;
+ df->df_mount_info = mi;
+ for (i = 0; i < ARRAY_SIZE(df->df_segments); i++)
+ data_file_segment_init(&df->df_segments[i]);
+
+ error = incfs_read_file_header(bfc, &df->df_metadata_off, &df->df_id,
+ &size, &df->df_header_flags);
+
+ if (error)
+ goto out;
+
+ df->df_size = size;
+ if (size > 0)
+ df->df_data_block_count = get_blocks_count_for_size(size);
+
+ if (df->df_header_flags & INCFS_FILE_MAPPED) {
+ struct data_file *mapped_df = handle_mapped_file(mi, df);
+
+ incfs_free_data_file(df);
+ return mapped_df;
+ }
+
+ md_records = incfs_scan_metadata_chain(df);
+ if (md_records < 0)
+ error = md_records;
+
+out:
+ if (error) {
+ incfs_free_bfc(bfc);
+ if (df)
+ df->df_backing_file_context = NULL;
+ incfs_free_data_file(df);
+ return ERR_PTR(error);
+ }
+ return df;
+}
+
+void incfs_free_data_file(struct data_file *df)
+{
+ u32 data_blocks_written, hash_blocks_written;
+
+ if (!df)
+ return;
+
+ data_blocks_written = atomic_read(&df->df_data_blocks_written);
+ hash_blocks_written = atomic_read(&df->df_hash_blocks_written);
+
+ if (data_blocks_written != df->df_initial_data_blocks_written ||
+ hash_blocks_written != df->df_initial_hash_blocks_written) {
+ struct backing_file_context *bfc = df->df_backing_file_context;
+ int error = -1;
+
+ if (bfc && !mutex_lock_interruptible(&bfc->bc_mutex)) {
+ error = incfs_write_status_to_backing_file(
+ df->df_backing_file_context,
+ df->df_status_offset,
+ data_blocks_written,
+ hash_blocks_written);
+ mutex_unlock(&bfc->bc_mutex);
+ }
+
+ if (error)
+ /* Nothing can be done, just warn */
+ pr_warn("incfs: failed to write status to backing file\n");
+ }
+
+ incfs_free_mtree(df->df_hash_tree);
+ incfs_free_bfc(df->df_backing_file_context);
+ kfree(df->df_signature);
+ kfree(df->df_verity_file_digest.data);
+ kfree(df->df_verity_signature);
+ mutex_destroy(&df->df_enable_verity);
+ kfree(df);
+}
+
+int make_inode_ready_for_data_ops(struct mount_info *mi,
+ struct inode *inode,
+ struct file *backing_file)
+{
+ struct inode_info *node = get_incfs_node(inode);
+ struct data_file *df = NULL;
+ int err = 0;
+
+ inode_lock(inode);
+ if (S_ISREG(inode->i_mode)) {
+ if (!node->n_file) {
+ df = incfs_open_data_file(mi, backing_file);
+
+ if (IS_ERR(df))
+ err = PTR_ERR(df);
+ else
+ node->n_file = df;
+ }
+ } else
+ err = -EBADF;
+ inode_unlock(inode);
+ return err;
+}
+
+struct dir_file *incfs_open_dir_file(struct mount_info *mi, struct file *bf)
+{
+ struct dir_file *dir = NULL;
+
+ if (!S_ISDIR(bf->f_inode->i_mode))
+ return ERR_PTR(-EBADF);
+
+ dir = kzalloc(sizeof(*dir), GFP_NOFS);
+ if (!dir)
+ return ERR_PTR(-ENOMEM);
+
+ dir->backing_dir = get_file(bf);
+ dir->mount_info = mi;
+ return dir;
+}
+
+void incfs_free_dir_file(struct dir_file *dir)
+{
+ if (!dir)
+ return;
+ if (dir->backing_dir)
+ fput(dir->backing_dir);
+ kfree(dir);
+}
+
+static ssize_t zstd_decompress_safe(struct mount_info *mi,
+ struct mem_range src, struct mem_range dst)
+{
+ ssize_t result;
+ ZSTD_inBuffer inbuf = {.src = src.data, .size = src.len};
+ ZSTD_outBuffer outbuf = {.dst = dst.data, .size = dst.len};
+
+ result = mutex_lock_interruptible(&mi->mi_zstd_workspace_mutex);
+ if (result)
+ return result;
+
+ if (!mi->mi_zstd_stream) {
+ unsigned int workspace_size = ZSTD_DStreamWorkspaceBound(
+ INCFS_DATA_FILE_BLOCK_SIZE);
+ void *workspace = kvmalloc(workspace_size, GFP_NOFS);
+ ZSTD_DStream *stream;
+
+ if (!workspace) {
+ result = -ENOMEM;
+ goto out;
+ }
+
+ stream = ZSTD_initDStream(INCFS_DATA_FILE_BLOCK_SIZE, workspace,
+ workspace_size);
+ if (!stream) {
+ kvfree(workspace);
+ result = -EIO;
+ goto out;
+ }
+
+ mi->mi_zstd_workspace = workspace;
+ mi->mi_zstd_stream = stream;
+ }
+
+ result = ZSTD_decompressStream(mi->mi_zstd_stream, &outbuf, &inbuf) ?
+ -EBADMSG : outbuf.pos;
+
+ mod_delayed_work(system_wq, &mi->mi_zstd_cleanup_work,
+ msecs_to_jiffies(5000));
+
+out:
+ mutex_unlock(&mi->mi_zstd_workspace_mutex);
+ return result;
+}
+
+static ssize_t decompress(struct mount_info *mi,
+ struct mem_range src, struct mem_range dst, int alg)
+{
+ int result;
+
+ switch (alg) {
+ case INCFS_BLOCK_COMPRESSED_LZ4:
+ result = LZ4_decompress_safe(src.data, dst.data, src.len,
+ dst.len);
+ if (result < 0)
+ return -EBADMSG;
+ return result;
+
+ case INCFS_BLOCK_COMPRESSED_ZSTD:
+ return zstd_decompress_safe(mi, src, dst);
+
+ default:
+ WARN_ON(true);
+ return -EOPNOTSUPP;
+ }
+}
+
+static void log_read_one_record(struct read_log *rl, struct read_log_state *rs)
+{
+ union log_record *record =
+ (union log_record *)((u8 *)rl->rl_ring_buf + rs->next_offset);
+ size_t record_size;
+
+ switch (record->full_record.type) {
+ case FULL:
+ rs->base_record = record->full_record;
+ record_size = sizeof(record->full_record);
+ break;
+
+ case SAME_FILE:
+ rs->base_record.block_index =
+ record->same_file.block_index;
+ rs->base_record.absolute_ts_us +=
+ record->same_file.relative_ts_us;
+ rs->base_record.uid = record->same_file.uid;
+ record_size = sizeof(record->same_file);
+ break;
+
+ case SAME_FILE_CLOSE_BLOCK:
+ rs->base_record.block_index +=
+ record->same_file_close_block.block_index_delta;
+ rs->base_record.absolute_ts_us +=
+ record->same_file_close_block.relative_ts_us;
+ record_size = sizeof(record->same_file_close_block);
+ break;
+
+ case SAME_FILE_CLOSE_BLOCK_SHORT:
+ rs->base_record.block_index +=
+ record->same_file_close_block_short.block_index_delta;
+ rs->base_record.absolute_ts_us +=
+ record->same_file_close_block_short.relative_ts_tens_us * 10;
+ record_size = sizeof(record->same_file_close_block_short);
+ break;
+
+ case SAME_FILE_NEXT_BLOCK:
+ ++rs->base_record.block_index;
+ rs->base_record.absolute_ts_us +=
+ record->same_file_next_block.relative_ts_us;
+ record_size = sizeof(record->same_file_next_block);
+ break;
+
+ case SAME_FILE_NEXT_BLOCK_SHORT:
+ ++rs->base_record.block_index;
+ rs->base_record.absolute_ts_us +=
+ record->same_file_next_block_short.relative_ts_tens_us * 10;
+ record_size = sizeof(record->same_file_next_block_short);
+ break;
+ }
+
+ rs->next_offset += record_size;
+ if (rs->next_offset > rl->rl_size - sizeof(*record)) {
+ rs->next_offset = 0;
+ ++rs->current_pass_no;
+ }
+ ++rs->current_record_no;
+}
+
+static void log_block_read(struct mount_info *mi, incfs_uuid_t *id,
+ int block_index)
+{
+ struct read_log *log = &mi->mi_log;
+ struct read_log_state *head, *tail;
+ s64 now_us;
+ s64 relative_us;
+ union log_record record;
+ size_t record_size;
+ uid_t uid = current_uid().val;
+ int block_delta;
+ bool same_file, same_uid;
+ bool next_block, close_block, very_close_block;
+ bool close_time, very_close_time, very_very_close_time;
+
+ /*
+ * This may read the old value, but it's OK to delay the logging start
+ * right after the configuration update.
+ */
+ if (READ_ONCE(log->rl_size) == 0)
+ return;
+
+ now_us = ktime_to_us(ktime_get());
+
+ spin_lock(&log->rl_lock);
+ if (log->rl_size == 0) {
+ spin_unlock(&log->rl_lock);
+ return;
+ }
+
+ head = &log->rl_head;
+ tail = &log->rl_tail;
+ relative_us = now_us - head->base_record.absolute_ts_us;
+
+ same_file = !memcmp(id, &head->base_record.file_id,
+ sizeof(incfs_uuid_t));
+ same_uid = uid == head->base_record.uid;
+
+ block_delta = block_index - head->base_record.block_index;
+ next_block = block_delta == 1;
+ very_close_block = block_delta >= S8_MIN && block_delta <= S8_MAX;
+ close_block = block_delta >= S16_MIN && block_delta <= S16_MAX;
+
+ very_very_close_time = relative_us < (1 << 5) * 10;
+ very_close_time = relative_us < (1 << 13);
+ close_time = relative_us < (1 << 16);
+
+ if (same_file && same_uid && next_block && very_very_close_time) {
+ record.same_file_next_block_short =
+ (struct same_file_next_block_short){
+ .type = SAME_FILE_NEXT_BLOCK_SHORT,
+ .relative_ts_tens_us = div_s64(relative_us, 10),
+ };
+ record_size = sizeof(struct same_file_next_block_short);
+ } else if (same_file && same_uid && next_block && very_close_time) {
+ record.same_file_next_block = (struct same_file_next_block){
+ .type = SAME_FILE_NEXT_BLOCK,
+ .relative_ts_us = relative_us,
+ };
+ record_size = sizeof(struct same_file_next_block);
+ } else if (same_file && same_uid && very_close_block &&
+ very_very_close_time) {
+ record.same_file_close_block_short =
+ (struct same_file_close_block_short){
+ .type = SAME_FILE_CLOSE_BLOCK_SHORT,
+ .relative_ts_tens_us = div_s64(relative_us, 10),
+ .block_index_delta = block_delta,
+ };
+ record_size = sizeof(struct same_file_close_block_short);
+ } else if (same_file && same_uid && close_block && very_close_time) {
+ record.same_file_close_block = (struct same_file_close_block){
+ .type = SAME_FILE_CLOSE_BLOCK,
+ .relative_ts_us = relative_us,
+ .block_index_delta = block_delta,
+ };
+ record_size = sizeof(struct same_file_close_block);
+ } else if (same_file && close_time) {
+ record.same_file = (struct same_file){
+ .type = SAME_FILE,
+ .block_index = block_index,
+ .relative_ts_us = relative_us,
+ .uid = uid,
+ };
+ record_size = sizeof(struct same_file);
+ } else {
+ record.full_record = (struct full_record){
+ .type = FULL,
+ .block_index = block_index,
+ .file_id = *id,
+ .absolute_ts_us = now_us,
+ .uid = uid,
+ };
+ head->base_record.file_id = *id;
+ record_size = sizeof(struct full_record);
+ }
+
+ head->base_record.block_index = block_index;
+ head->base_record.absolute_ts_us = now_us;
+
+ /* Advance tail beyond area we are going to overwrite */
+ while (tail->current_pass_no < head->current_pass_no &&
+ tail->next_offset < head->next_offset + record_size)
+ log_read_one_record(log, tail);
+
+ memcpy(((u8 *)log->rl_ring_buf) + head->next_offset, &record,
+ record_size);
+ head->next_offset += record_size;
+ if (head->next_offset > log->rl_size - sizeof(record)) {
+ head->next_offset = 0;
+ ++head->current_pass_no;
+ }
+ ++head->current_record_no;
+
+ spin_unlock(&log->rl_lock);
+ schedule_delayed_work(&log->ml_wakeup_work, msecs_to_jiffies(16));
+}
+
+static int validate_hash_tree(struct backing_file_context *bfc, struct file *f,
+ int block_index, struct mem_range data, u8 *buf)
+{
+ struct data_file *df = get_incfs_data_file(f);
+ u8 stored_digest[INCFS_MAX_HASH_SIZE] = {};
+ u8 calculated_digest[INCFS_MAX_HASH_SIZE] = {};
+ struct mtree *tree = NULL;
+ struct incfs_df_signature *sig = NULL;
+ int digest_size;
+ int hash_block_index = block_index;
+ int lvl;
+ int res;
+ loff_t hash_block_offset[INCFS_MAX_MTREE_LEVELS];
+ size_t hash_offset_in_block[INCFS_MAX_MTREE_LEVELS];
+ int hash_per_block;
+ pgoff_t file_pages;
+
+ /*
+ * Memory barrier to make sure tree is fully present if added via enable
+ * verity
+ */
+ tree = smp_load_acquire(&df->df_hash_tree);
+ sig = df->df_signature;
+ if (!tree || !sig)
+ return 0;
+
+ digest_size = tree->alg->digest_size;
+ hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+ for (lvl = 0; lvl < tree->depth; lvl++) {
+ loff_t lvl_off = tree->hash_level_suboffset[lvl];
+
+ hash_block_offset[lvl] =
+ lvl_off + round_down(hash_block_index * digest_size,
+ INCFS_DATA_FILE_BLOCK_SIZE);
+ hash_offset_in_block[lvl] = hash_block_index * digest_size %
+ INCFS_DATA_FILE_BLOCK_SIZE;
+ hash_block_index /= hash_per_block;
+ }
+
+ memcpy(stored_digest, tree->root_hash, digest_size);
+
+ file_pages = DIV_ROUND_UP(df->df_size, INCFS_DATA_FILE_BLOCK_SIZE);
+ for (lvl = tree->depth - 1; lvl >= 0; lvl--) {
+ pgoff_t hash_page =
+ file_pages +
+ hash_block_offset[lvl] / INCFS_DATA_FILE_BLOCK_SIZE;
+ struct page *page = find_get_page_flags(
+ f->f_inode->i_mapping, hash_page, FGP_ACCESSED);
+
+ if (page && PageChecked(page)) {
+ u8 *addr = kmap_atomic(page);
+
+ memcpy(stored_digest, addr + hash_offset_in_block[lvl],
+ digest_size);
+ kunmap_atomic(addr);
+ put_page(page);
+ continue;
+ }
+
+ if (page)
+ put_page(page);
+
+ res = incfs_kread(bfc, buf, INCFS_DATA_FILE_BLOCK_SIZE,
+ hash_block_offset[lvl] + sig->hash_offset);
+ if (res < 0)
+ return res;
+ if (res != INCFS_DATA_FILE_BLOCK_SIZE)
+ return -EIO;
+ res = incfs_calc_digest(tree->alg,
+ range(buf, INCFS_DATA_FILE_BLOCK_SIZE),
+ range(calculated_digest, digest_size));
+ if (res)
+ return res;
+
+ if (memcmp(stored_digest, calculated_digest, digest_size)) {
+ int i;
+ bool zero = true;
+
+ pr_warn("incfs: Hash mismatch lvl:%d blk:%d\n",
+ lvl, block_index);
+ for (i = 0; i < digest_size; i++)
+ if (stored_digest[i]) {
+ zero = false;
+ break;
+ }
+
+ if (zero)
+ pr_debug("Note saved_digest all zero - did you forget to load the hashes?\n");
+ return -EBADMSG;
+ }
+
+ memcpy(stored_digest, buf + hash_offset_in_block[lvl],
+ digest_size);
+
+ page = grab_cache_page(f->f_inode->i_mapping, hash_page);
+ if (page) {
+ u8 *addr = kmap_atomic(page);
+
+ memcpy(addr, buf, INCFS_DATA_FILE_BLOCK_SIZE);
+ kunmap_atomic(addr);
+ SetPageChecked(page);
+ unlock_page(page);
+ put_page(page);
+ }
+ }
+
+ res = incfs_calc_digest(tree->alg, data,
+ range(calculated_digest, digest_size));
+ if (res)
+ return res;
+
+ if (memcmp(stored_digest, calculated_digest, digest_size)) {
+ pr_debug("Leaf hash mismatch blk:%d\n", block_index);
+ return -EBADMSG;
+ }
+
+ return 0;
+}
+
+static struct data_file_segment *get_file_segment(struct data_file *df,
+ int block_index)
+{
+ int seg_idx = block_index % ARRAY_SIZE(df->df_segments);
+
+ return &df->df_segments[seg_idx];
+}
+
+static bool is_data_block_present(struct data_file_block *block)
+{
+ return (block->db_backing_file_data_offset != 0) &&
+ (block->db_stored_size != 0);
+}
+
+static void convert_data_file_block(struct incfs_blockmap_entry *bme,
+ struct data_file_block *res_block)
+{
+ u16 flags = le16_to_cpu(bme->me_flags);
+
+ res_block->db_backing_file_data_offset =
+ le16_to_cpu(bme->me_data_offset_hi);
+ res_block->db_backing_file_data_offset <<= 32;
+ res_block->db_backing_file_data_offset |=
+ le32_to_cpu(bme->me_data_offset_lo);
+ res_block->db_stored_size = le16_to_cpu(bme->me_data_size);
+ res_block->db_comp_alg = flags & INCFS_BLOCK_COMPRESSED_MASK;
+}
+
+static int get_data_file_block(struct data_file *df, int index,
+ struct data_file_block *res_block)
+{
+ struct incfs_blockmap_entry bme = {};
+ struct backing_file_context *bfc = NULL;
+ loff_t blockmap_off = 0;
+ int error = 0;
+
+ if (!df || !res_block)
+ return -EFAULT;
+
+ blockmap_off = df->df_blockmap_off;
+ bfc = df->df_backing_file_context;
+
+ if (index < 0 || blockmap_off == 0)
+ return -EINVAL;
+
+ error = incfs_read_blockmap_entry(bfc, index, blockmap_off, &bme);
+ if (error)
+ return error;
+
+ convert_data_file_block(&bme, res_block);
+ return 0;
+}
+
+static int check_room_for_one_range(u32 size, u32 size_out)
+{
+ if (size_out + sizeof(struct incfs_filled_range) > size)
+ return -ERANGE;
+ return 0;
+}
+
+static int copy_one_range(struct incfs_filled_range *range, void __user *buffer,
+ u32 size, u32 *size_out)
+{
+ int error = check_room_for_one_range(size, *size_out);
+ if (error)
+ return error;
+
+ if (copy_to_user(((char __user *)buffer) + *size_out, range,
+ sizeof(*range)))
+ return -EFAULT;
+
+ *size_out += sizeof(*range);
+ return 0;
+}
+
+#define READ_BLOCKMAP_ENTRIES 512
+int incfs_get_filled_blocks(struct data_file *df,
+ struct incfs_file_data *fd,
+ struct incfs_get_filled_blocks_args *arg)
+{
+ int error = 0;
+ bool in_range = false;
+ struct incfs_filled_range range;
+ void __user *buffer = u64_to_user_ptr(arg->range_buffer);
+ u32 size = arg->range_buffer_size;
+ u32 end_index =
+ arg->end_index ? arg->end_index : df->df_total_block_count;
+ u32 *size_out = &arg->range_buffer_size_out;
+ int i = READ_BLOCKMAP_ENTRIES - 1;
+ int entries_read = 0;
+ struct incfs_blockmap_entry *bme;
+ int data_blocks_filled = 0;
+ int hash_blocks_filled = 0;
+
+ *size_out = 0;
+ if (end_index > df->df_total_block_count)
+ end_index = df->df_total_block_count;
+ arg->total_blocks_out = df->df_total_block_count;
+ arg->data_blocks_out = df->df_data_block_count;
+
+ if (atomic_read(&df->df_data_blocks_written) ==
+ df->df_data_block_count) {
+ pr_debug("File marked full, fast get_filled_blocks");
+ if (arg->start_index > end_index) {
+ arg->index_out = arg->start_index;
+ return 0;
+ }
+ arg->index_out = arg->start_index;
+
+ error = check_room_for_one_range(size, *size_out);
+ if (error)
+ return error;
+
+ range = (struct incfs_filled_range){
+ .begin = arg->start_index,
+ .end = end_index,
+ };
+
+ error = copy_one_range(&range, buffer, size, size_out);
+ if (error)
+ return error;
+ arg->index_out = end_index;
+ return 0;
+ }
+
+ bme = kzalloc(sizeof(*bme) * READ_BLOCKMAP_ENTRIES,
+ GFP_NOFS | __GFP_COMP);
+ if (!bme)
+ return -ENOMEM;
+
+ for (arg->index_out = arg->start_index; arg->index_out < end_index;
+ ++arg->index_out) {
+ struct data_file_block dfb;
+
+ if (++i == READ_BLOCKMAP_ENTRIES) {
+ entries_read = incfs_read_blockmap_entries(
+ df->df_backing_file_context, bme,
+ arg->index_out, READ_BLOCKMAP_ENTRIES,
+ df->df_blockmap_off);
+ if (entries_read < 0) {
+ error = entries_read;
+ break;
+ }
+
+ i = 0;
+ }
+
+ if (i >= entries_read) {
+ error = -EIO;
+ break;
+ }
+
+ convert_data_file_block(bme + i, &dfb);
+
+ if (is_data_block_present(&dfb)) {
+ if (arg->index_out >= df->df_data_block_count)
+ ++hash_blocks_filled;
+ else
+ ++data_blocks_filled;
+ }
+
+ if (is_data_block_present(&dfb) == in_range)
+ continue;
+
+ if (!in_range) {
+ error = check_room_for_one_range(size, *size_out);
+ if (error)
+ break;
+ in_range = true;
+ range.begin = arg->index_out;
+ } else {
+ range.end = arg->index_out;
+ error = copy_one_range(&range, buffer, size, size_out);
+ if (error) {
+ /* there will be another try out of the loop,
+ * it will reset the index_out if it fails too
+ */
+ break;
+ }
+ in_range = false;
+ }
+ }
+
+ if (in_range) {
+ range.end = arg->index_out;
+ error = copy_one_range(&range, buffer, size, size_out);
+ if (error)
+ arg->index_out = range.begin;
+ }
+
+ if (arg->start_index == 0) {
+ fd->fd_get_block_pos = 0;
+ fd->fd_filled_data_blocks = 0;
+ fd->fd_filled_hash_blocks = 0;
+ }
+
+ if (arg->start_index == fd->fd_get_block_pos) {
+ fd->fd_get_block_pos = arg->index_out + 1;
+ fd->fd_filled_data_blocks += data_blocks_filled;
+ fd->fd_filled_hash_blocks += hash_blocks_filled;
+ }
+
+ if (fd->fd_get_block_pos == df->df_total_block_count + 1) {
+ if (fd->fd_filled_data_blocks >
+ atomic_read(&df->df_data_blocks_written))
+ atomic_set(&df->df_data_blocks_written,
+ fd->fd_filled_data_blocks);
+
+ if (fd->fd_filled_hash_blocks >
+ atomic_read(&df->df_hash_blocks_written))
+ atomic_set(&df->df_hash_blocks_written,
+ fd->fd_filled_hash_blocks);
+ }
+
+ kfree(bme);
+ return error;
+}
+
+static bool is_read_done(struct pending_read *read)
+{
+ return atomic_read_acquire(&read->done) != 0;
+}
+
+static void set_read_done(struct pending_read *read)
+{
+ atomic_set_release(&read->done, 1);
+}
+
+/*
+ * Notifies a given data file about pending read from a given block.
+ * Returns a new pending read entry.
+ */
+static struct pending_read *add_pending_read(struct data_file *df,
+ int block_index)
+{
+ struct pending_read *result = NULL;
+ struct data_file_segment *segment = NULL;
+ struct mount_info *mi = NULL;
+
+ segment = get_file_segment(df, block_index);
+ mi = df->df_mount_info;
+
+ result = kzalloc(sizeof(*result), GFP_NOFS);
+ if (!result)
+ return NULL;
+
+ result->file_id = df->df_id;
+ result->block_index = block_index;
+ result->timestamp_us = ktime_to_us(ktime_get());
+ result->uid = current_uid().val;
+
+ spin_lock(&mi->pending_read_lock);
+
+ result->serial_number = ++mi->mi_last_pending_read_number;
+ mi->mi_pending_reads_count++;
+
+ list_add_rcu(&result->mi_reads_list, &mi->mi_reads_list_head);
+ list_add_rcu(&result->segment_reads_list, &segment->reads_list_head);
+
+ spin_unlock(&mi->pending_read_lock);
+
+ wake_up_all(&mi->mi_pending_reads_notif_wq);
+ return result;
+}
+
+static void free_pending_read_entry(struct rcu_head *entry)
+{
+ struct pending_read *read;
+
+ read = container_of(entry, struct pending_read, rcu);
+
+ kfree(read);
+}
+
+/* Notifies a given data file that pending read is completed. */
+static void remove_pending_read(struct data_file *df, struct pending_read *read)
+{
+ struct mount_info *mi = NULL;
+
+ if (!df || !read) {
+ WARN_ON(!df);
+ WARN_ON(!read);
+ return;
+ }
+
+ mi = df->df_mount_info;
+
+ spin_lock(&mi->pending_read_lock);
+
+ list_del_rcu(&read->mi_reads_list);
+ list_del_rcu(&read->segment_reads_list);
+
+ mi->mi_pending_reads_count--;
+
+ spin_unlock(&mi->pending_read_lock);
+
+ /* Don't free. Wait for readers */
+ call_rcu(&read->rcu, free_pending_read_entry);
+}
+
+static void notify_pending_reads(struct mount_info *mi,
+ struct data_file_segment *segment,
+ int index)
+{
+ struct pending_read *entry = NULL;
+
+ /* Notify pending reads waiting for this block. */
+ rcu_read_lock();
+ list_for_each_entry_rcu(entry, &segment->reads_list_head,
+ segment_reads_list) {
+ if (entry->block_index == index)
+ set_read_done(entry);
+ }
+ rcu_read_unlock();
+ wake_up_all(&segment->new_data_arrival_wq);
+
+ atomic_inc(&mi->mi_blocks_written);
+ wake_up_all(&mi->mi_blocks_written_notif_wq);
+}
+
+static int usleep_interruptible(u32 us)
+{
+ /* See:
+ * https://www.kernel.org/doc/Documentation/timers/timers-howto.txt
+ * for explanation
+ */
+ if (us < 10) {
+ udelay(us);
+ return 0;
+ } else if (us < 20000) {
+ usleep_range(us, us + us / 10);
+ return 0;
+ } else
+ return msleep_interruptible(us / 1000);
+}
+
+static int wait_for_data_block(struct data_file *df, int block_index,
+ struct data_file_block *res_block,
+ struct incfs_read_data_file_timeouts *timeouts)
+{
+ struct data_file_block block = {};
+ struct data_file_segment *segment = NULL;
+ struct pending_read *read = NULL;
+ struct mount_info *mi = NULL;
+ int error;
+ int wait_res = 0;
+ unsigned int delayed_pending_us = 0, delayed_min_us = 0;
+ bool delayed_pending = false;
+
+ if (!df || !res_block)
+ return -EFAULT;
+
+ if (block_index < 0 || block_index >= df->df_data_block_count)
+ return -EINVAL;
+
+ if (df->df_blockmap_off <= 0 || !df->df_mount_info)
+ return -ENODATA;
+
+ mi = df->df_mount_info;
+ segment = get_file_segment(df, block_index);
+
+ error = down_read_killable(&segment->rwsem);
+ if (error)
+ return error;
+
+ /* Look up the given block */
+ error = get_data_file_block(df, block_index, &block);
+
+ up_read(&segment->rwsem);
+
+ if (error)
+ return error;
+
+ /* If the block was found, just return it. No need to wait. */
+ if (is_data_block_present(&block)) {
+ *res_block = block;
+ if (timeouts && timeouts->min_time_us) {
+ delayed_min_us = timeouts->min_time_us;
+ error = usleep_interruptible(delayed_min_us);
+ goto out;
+ }
+ return 0;
+ } else {
+ /* If it's not found, create a pending read */
+ if (timeouts && timeouts->max_pending_time_us) {
+ read = add_pending_read(df, block_index);
+ if (!read)
+ return -ENOMEM;
+ } else {
+ log_block_read(mi, &df->df_id, block_index);
+ return -ETIME;
+ }
+ }
+
+ /* Rest of function only applies if timeouts != NULL */
+ if (!timeouts) {
+ pr_warn("incfs: timeouts unexpectedly NULL\n");
+ return -EFSCORRUPTED;
+ }
+
+ /* Wait for notifications about block's arrival */
+ wait_res =
+ wait_event_interruptible_timeout(segment->new_data_arrival_wq,
+ (is_read_done(read)),
+ usecs_to_jiffies(timeouts->max_pending_time_us));
+
+ /* Woke up, the pending read is no longer needed. */
+ remove_pending_read(df, read);
+
+ if (wait_res == 0) {
+ /* Wait has timed out */
+ log_block_read(mi, &df->df_id, block_index);
+ return -ETIME;
+ }
+ if (wait_res < 0) {
+ /*
+ * Only ERESTARTSYS is really expected here when a signal
+ * comes while we wait.
+ */
+ return wait_res;
+ }
+
+ delayed_pending = true;
+ delayed_pending_us = timeouts->max_pending_time_us -
+ jiffies_to_usecs(wait_res);
+ if (timeouts->min_pending_time_us > delayed_pending_us) {
+ delayed_min_us = timeouts->min_pending_time_us -
+ delayed_pending_us;
+ error = usleep_interruptible(delayed_min_us);
+ if (error)
+ return error;
+ }
+
+ error = down_read_killable(&segment->rwsem);
+ if (error)
+ return error;
+
+ /*
+ * Re-read blocks info now, it has just arrived and
+ * should be available.
+ */
+ error = get_data_file_block(df, block_index, &block);
+ if (!error) {
+ if (is_data_block_present(&block))
+ *res_block = block;
+ else {
+ /*
+ * Somehow wait finished successfully but block still
+ * can't be found. It's not normal.
+ */
+ pr_warn("incfs: Wait succeeded but block not found.\n");
+ error = -ENODATA;
+ }
+ }
+ up_read(&segment->rwsem);
+
+out:
+ if (error)
+ return error;
+
+ if (delayed_pending) {
+ mi->mi_reads_delayed_pending++;
+ mi->mi_reads_delayed_pending_us +=
+ delayed_pending_us;
+ }
+
+ if (delayed_min_us) {
+ mi->mi_reads_delayed_min++;
+ mi->mi_reads_delayed_min_us += delayed_min_us;
+ }
+
+ return 0;
+}
+
+static int incfs_update_sysfs_error(struct file *file, int index, int result,
+ struct mount_info *mi, struct data_file *df)
+{
+ int error;
+
+ if (result >= 0)
+ return 0;
+
+ error = mutex_lock_interruptible(&mi->mi_le_mutex);
+ if (error)
+ return error;
+
+ mi->mi_le_file_id = df->df_id;
+ mi->mi_le_time_us = ktime_to_us(ktime_get());
+ mi->mi_le_page = index;
+ mi->mi_le_errno = result;
+ mi->mi_le_uid = current_uid().val;
+ mutex_unlock(&mi->mi_le_mutex);
+
+ return 0;
+}
+
+ssize_t incfs_read_data_file_block(struct mem_range dst, struct file *f,
+ int index, struct mem_range tmp,
+ struct incfs_read_data_file_timeouts *timeouts)
+{
+ loff_t pos;
+ ssize_t result;
+ size_t bytes_to_read;
+ struct mount_info *mi = NULL;
+ struct backing_file_context *bfc = NULL;
+ struct data_file_block block = {};
+ struct data_file *df = get_incfs_data_file(f);
+
+ if (!dst.data || !df || !tmp.data)
+ return -EFAULT;
+
+ if (tmp.len < 2 * INCFS_DATA_FILE_BLOCK_SIZE)
+ return -ERANGE;
+
+ mi = df->df_mount_info;
+ bfc = df->df_backing_file_context;
+
+ result = wait_for_data_block(df, index, &block, timeouts);
+ if (result < 0)
+ goto out;
+
+ pos = block.db_backing_file_data_offset;
+ if (block.db_comp_alg == COMPRESSION_NONE) {
+ bytes_to_read = min(dst.len, block.db_stored_size);
+ result = incfs_kread(bfc, dst.data, bytes_to_read, pos);
+
+ /* Some data was read, but not enough */
+ if (result >= 0 && result != bytes_to_read)
+ result = -EIO;
+ } else {
+ bytes_to_read = min(tmp.len, block.db_stored_size);
+ result = incfs_kread(bfc, tmp.data, bytes_to_read, pos);
+ if (result == bytes_to_read) {
+ result =
+ decompress(mi, range(tmp.data, bytes_to_read),
+ dst, block.db_comp_alg);
+ if (result < 0) {
+ const char *name =
+ bfc->bc_file->f_path.dentry->d_name.name;
+
+ pr_warn_once("incfs: Decompression error. %s",
+ name);
+ }
+ } else if (result >= 0) {
+ /* Some data was read, but not enough */
+ result = -EIO;
+ }
+ }
+
+ if (result > 0) {
+ int err = validate_hash_tree(bfc, f, index, dst, tmp.data);
+
+ if (err < 0)
+ result = err;
+ }
+
+ if (result >= 0)
+ log_block_read(mi, &df->df_id, index);
+
+out:
+ if (result == -ETIME)
+ mi->mi_reads_failed_timed_out++;
+ else if (result == -EBADMSG)
+ mi->mi_reads_failed_hash_verification++;
+ else if (result < 0)
+ mi->mi_reads_failed_other++;
+
+ incfs_update_sysfs_error(f, index, result, mi, df);
+
+ return result;
+}
+
+ssize_t incfs_read_merkle_tree_blocks(struct mem_range dst,
+ struct data_file *df, size_t offset)
+{
+ struct backing_file_context *bfc = NULL;
+ struct incfs_df_signature *sig = NULL;
+ size_t to_read = dst.len;
+
+ if (!dst.data || !df)
+ return -EFAULT;
+
+ sig = df->df_signature;
+ bfc = df->df_backing_file_context;
+
+ if (offset > sig->hash_size)
+ return -ERANGE;
+
+ if (offset + to_read > sig->hash_size)
+ to_read = sig->hash_size - offset;
+
+ return incfs_kread(bfc, dst.data, to_read, sig->hash_offset + offset);
+}
+
+int incfs_process_new_data_block(struct data_file *df,
+ struct incfs_fill_block *block, u8 *data)
+{
+ struct mount_info *mi = NULL;
+ struct backing_file_context *bfc = NULL;
+ struct data_file_segment *segment = NULL;
+ struct data_file_block existing_block = {};
+ u16 flags = 0;
+ int error = 0;
+
+ if (!df || !block)
+ return -EFAULT;
+
+ bfc = df->df_backing_file_context;
+ mi = df->df_mount_info;
+
+ if (block->block_index >= df->df_data_block_count)
+ return -ERANGE;
+
+ segment = get_file_segment(df, block->block_index);
+ if (!segment)
+ return -EFAULT;
+
+ if (block->compression == COMPRESSION_LZ4)
+ flags |= INCFS_BLOCK_COMPRESSED_LZ4;
+ else if (block->compression == COMPRESSION_ZSTD)
+ flags |= INCFS_BLOCK_COMPRESSED_ZSTD;
+ else if (block->compression)
+ return -EINVAL;
+
+ error = down_read_killable(&segment->rwsem);
+ if (error)
+ return error;
+
+ error = get_data_file_block(df, block->block_index, &existing_block);
+
+ up_read(&segment->rwsem);
+
+ if (error)
+ return error;
+ if (is_data_block_present(&existing_block)) {
+ /* Block is already present, nothing to do here */
+ return 0;
+ }
+
+ error = down_write_killable(&segment->rwsem);
+ if (error)
+ return error;
+
+ error = mutex_lock_interruptible(&bfc->bc_mutex);
+ if (!error) {
+ error = incfs_write_data_block_to_backing_file(
+ bfc, range(data, block->data_len), block->block_index,
+ df->df_blockmap_off, flags);
+ mutex_unlock(&bfc->bc_mutex);
+ }
+ if (!error) {
+ notify_pending_reads(mi, segment, block->block_index);
+ atomic_inc(&df->df_data_blocks_written);
+ }
+
+ up_write(&segment->rwsem);
+
+ if (error)
+ pr_debug("%d error: %d\n", block->block_index, error);
+ return error;
+}
+
+int incfs_read_file_signature(struct data_file *df, struct mem_range dst)
+{
+ struct backing_file_context *bfc = df->df_backing_file_context;
+ struct incfs_df_signature *sig;
+ int read_res = 0;
+
+ if (!dst.data)
+ return -EFAULT;
+
+ sig = df->df_signature;
+ if (!sig)
+ return 0;
+
+ if (dst.len < sig->sig_size)
+ return -E2BIG;
+
+ read_res = incfs_kread(bfc, dst.data, sig->sig_size, sig->sig_offset);
+
+ if (read_res < 0)
+ return read_res;
+
+ if (read_res != sig->sig_size)
+ return -EIO;
+
+ return read_res;
+}
+
+int incfs_process_new_hash_block(struct data_file *df,
+ struct incfs_fill_block *block, u8 *data)
+{
+ struct backing_file_context *bfc = NULL;
+ struct mount_info *mi = NULL;
+ struct mtree *hash_tree = NULL;
+ struct incfs_df_signature *sig = NULL;
+ loff_t hash_area_base = 0;
+ loff_t hash_area_size = 0;
+ int error = 0;
+
+ if (!df || !block)
+ return -EFAULT;
+
+ if (!(block->flags & INCFS_BLOCK_FLAGS_HASH))
+ return -EINVAL;
+
+ bfc = df->df_backing_file_context;
+ mi = df->df_mount_info;
+
+ if (!df)
+ return -ENOENT;
+
+ hash_tree = df->df_hash_tree;
+ sig = df->df_signature;
+ if (!hash_tree || !sig || sig->hash_offset == 0)
+ return -ENOTSUPP;
+
+ hash_area_base = sig->hash_offset;
+ hash_area_size = sig->hash_size;
+ if (hash_area_size < block->block_index * INCFS_DATA_FILE_BLOCK_SIZE
+ + block->data_len) {
+ /* Hash block goes beyond dedicated hash area of this file. */
+ return -ERANGE;
+ }
+
+ error = mutex_lock_interruptible(&bfc->bc_mutex);
+ if (!error) {
+ error = incfs_write_hash_block_to_backing_file(
+ bfc, range(data, block->data_len), block->block_index,
+ hash_area_base, df->df_blockmap_off, df->df_size);
+ mutex_unlock(&bfc->bc_mutex);
+ }
+ if (!error)
+ atomic_inc(&df->df_hash_blocks_written);
+
+ return error;
+}
+
+static int process_blockmap_md(struct incfs_blockmap *bm,
+ struct metadata_handler *handler)
+{
+ struct data_file *df = handler->context;
+ int error = 0;
+ loff_t base_off = le64_to_cpu(bm->m_base_offset);
+ u32 block_count = le32_to_cpu(bm->m_block_count);
+
+ if (!df)
+ return -EFAULT;
+
+ if (df->df_data_block_count > block_count)
+ return -EBADMSG;
+
+ df->df_total_block_count = block_count;
+ df->df_blockmap_off = base_off;
+ return error;
+}
+
+static int process_file_signature_md(struct incfs_file_signature *sg,
+ struct metadata_handler *handler)
+{
+ struct data_file *df = handler->context;
+ struct mtree *hash_tree = NULL;
+ int error = 0;
+ struct incfs_df_signature *signature =
+ kzalloc(sizeof(*signature), GFP_NOFS);
+ void *buf = NULL;
+ ssize_t read;
+
+ if (!signature)
+ return -ENOMEM;
+
+ if (!df || !df->df_backing_file_context ||
+ !df->df_backing_file_context->bc_file) {
+ error = -ENOENT;
+ goto out;
+ }
+
+ signature->hash_offset = le64_to_cpu(sg->sg_hash_tree_offset);
+ signature->hash_size = le32_to_cpu(sg->sg_hash_tree_size);
+ signature->sig_offset = le64_to_cpu(sg->sg_sig_offset);
+ signature->sig_size = le32_to_cpu(sg->sg_sig_size);
+
+ buf = kzalloc(signature->sig_size, GFP_NOFS);
+ if (!buf) {
+ error = -ENOMEM;
+ goto out;
+ }
+
+ read = incfs_kread(df->df_backing_file_context, buf,
+ signature->sig_size, signature->sig_offset);
+ if (read < 0) {
+ error = read;
+ goto out;
+ }
+
+ if (read != signature->sig_size) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ hash_tree = incfs_alloc_mtree(range(buf, signature->sig_size),
+ df->df_data_block_count);
+ if (IS_ERR(hash_tree)) {
+ error = PTR_ERR(hash_tree);
+ hash_tree = NULL;
+ goto out;
+ }
+ if (hash_tree->hash_tree_area_size != signature->hash_size) {
+ error = -EINVAL;
+ goto out;
+ }
+ if (signature->hash_size > 0 &&
+ handler->md_record_offset <= signature->hash_offset) {
+ error = -EINVAL;
+ goto out;
+ }
+ if (handler->md_record_offset <= signature->sig_offset) {
+ error = -EINVAL;
+ goto out;
+ }
+ df->df_hash_tree = hash_tree;
+ hash_tree = NULL;
+ df->df_signature = signature;
+ signature = NULL;
+out:
+ incfs_free_mtree(hash_tree);
+ kfree(signature);
+ kfree(buf);
+
+ return error;
+}
+
+static int process_status_md(struct incfs_status *is,
+ struct metadata_handler *handler)
+{
+ struct data_file *df = handler->context;
+
+ df->df_initial_data_blocks_written =
+ le32_to_cpu(is->is_data_blocks_written);
+ atomic_set(&df->df_data_blocks_written,
+ df->df_initial_data_blocks_written);
+
+ df->df_initial_hash_blocks_written =
+ le32_to_cpu(is->is_hash_blocks_written);
+ atomic_set(&df->df_hash_blocks_written,
+ df->df_initial_hash_blocks_written);
+
+ df->df_status_offset = handler->md_record_offset;
+ return 0;
+}
+
+static int process_file_verity_signature_md(
+ struct incfs_file_verity_signature *vs,
+ struct metadata_handler *handler)
+{
+ struct data_file *df = handler->context;
+ struct incfs_df_verity_signature *verity_signature;
+
+ if (!df)
+ return -EFAULT;
+
+ verity_signature = kzalloc(sizeof(*verity_signature), GFP_NOFS);
+ if (!verity_signature)
+ return -ENOMEM;
+
+ verity_signature->offset = le64_to_cpu(vs->vs_offset);
+ verity_signature->size = le32_to_cpu(vs->vs_size);
+ if (verity_signature->size > FS_VERITY_MAX_SIGNATURE_SIZE) {
+ kfree(verity_signature);
+ return -EFAULT;
+ }
+
+ df->df_verity_signature = verity_signature;
+ return 0;
+}
+
+static int incfs_scan_metadata_chain(struct data_file *df)
+{
+ struct metadata_handler *handler = NULL;
+ int result = 0;
+ int records_count = 0;
+ int error = 0;
+ struct backing_file_context *bfc = NULL;
+ int nondata_block_count;
+
+ if (!df || !df->df_backing_file_context)
+ return -EFAULT;
+
+ bfc = df->df_backing_file_context;
+
+ handler = kzalloc(sizeof(*handler), GFP_NOFS);
+ if (!handler)
+ return -ENOMEM;
+
+ handler->md_record_offset = df->df_metadata_off;
+ handler->context = df;
+ handler->handle_blockmap = process_blockmap_md;
+ handler->handle_signature = process_file_signature_md;
+ handler->handle_status = process_status_md;
+ handler->handle_verity_signature = process_file_verity_signature_md;
+
+ while (handler->md_record_offset > 0) {
+ error = incfs_read_next_metadata_record(bfc, handler);
+ if (error) {
+ pr_warn("incfs: Error during reading incfs-metadata record. Offset: %lld Record #%d Error code: %d\n",
+ handler->md_record_offset, records_count + 1,
+ -error);
+ break;
+ }
+ records_count++;
+ }
+ if (error) {
+ pr_warn("incfs: Error %d after reading %d incfs-metadata records.\n",
+ -error, records_count);
+ result = error;
+ } else
+ result = records_count;
+
+ nondata_block_count = df->df_total_block_count -
+ df->df_data_block_count;
+ if (df->df_hash_tree) {
+ int hash_block_count = get_blocks_count_for_size(
+ df->df_hash_tree->hash_tree_area_size);
+
+ /*
+ * Files that were created with a hash tree have the hash tree
+ * included in the block map, i.e. nondata_block_count ==
+ * hash_block_count. Files whose hash tree was added by
+ * FS_IOC_ENABLE_VERITY will still have the original block
+ * count, i.e. nondata_block_count == 0.
+ */
+ if (nondata_block_count != hash_block_count &&
+ nondata_block_count != 0)
+ result = -EINVAL;
+ } else if (nondata_block_count != 0) {
+ result = -EINVAL;
+ }
+
+ kfree(handler);
+ return result;
+}
+
+/*
+ * Quickly checks if there are pending reads with a serial number larger
+ * than a given one.
+ */
+bool incfs_fresh_pending_reads_exist(struct mount_info *mi, int last_number)
+{
+ bool result = false;
+
+ spin_lock(&mi->pending_read_lock);
+ result = (mi->mi_last_pending_read_number > last_number) &&
+ (mi->mi_pending_reads_count > 0);
+ spin_unlock(&mi->pending_read_lock);
+ return result;
+}
+
+int incfs_collect_pending_reads(struct mount_info *mi, int sn_lowerbound,
+ struct incfs_pending_read_info *reads,
+ struct incfs_pending_read_info2 *reads2,
+ int reads_size, int *new_max_sn)
+{
+ int reported_reads = 0;
+ struct pending_read *entry = NULL;
+
+ if (!mi)
+ return -EFAULT;
+
+ if (reads_size <= 0)
+ return 0;
+
+ if (!incfs_fresh_pending_reads_exist(mi, sn_lowerbound))
+ return 0;
+
+ rcu_read_lock();
+
+ list_for_each_entry_rcu(entry, &mi->mi_reads_list_head, mi_reads_list) {
+ if (entry->serial_number <= sn_lowerbound)
+ continue;
+
+ if (reads) {
+ reads[reported_reads].file_id = entry->file_id;
+ reads[reported_reads].block_index = entry->block_index;
+ reads[reported_reads].serial_number =
+ entry->serial_number;
+ reads[reported_reads].timestamp_us =
+ entry->timestamp_us;
+ }
+
+ if (reads2) {
+ reads2[reported_reads].file_id = entry->file_id;
+ reads2[reported_reads].block_index = entry->block_index;
+ reads2[reported_reads].serial_number =
+ entry->serial_number;
+ reads2[reported_reads].timestamp_us =
+ entry->timestamp_us;
+ reads2[reported_reads].uid = entry->uid;
+ }
+
+ if (entry->serial_number > *new_max_sn)
+ *new_max_sn = entry->serial_number;
+
+ reported_reads++;
+ if (reported_reads >= reads_size)
+ break;
+ }
+
+ rcu_read_unlock();
+
+ return reported_reads;
+}
+
+struct read_log_state incfs_get_log_state(struct mount_info *mi)
+{
+ struct read_log *log = &mi->mi_log;
+ struct read_log_state result;
+
+ spin_lock(&log->rl_lock);
+ result = log->rl_head;
+ spin_unlock(&log->rl_lock);
+ return result;
+}
+
+int incfs_get_uncollected_logs_count(struct mount_info *mi,
+ const struct read_log_state *state)
+{
+ struct read_log *log = &mi->mi_log;
+ u32 generation;
+ u64 head_no, tail_no;
+
+ spin_lock(&log->rl_lock);
+ tail_no = log->rl_tail.current_record_no;
+ head_no = log->rl_head.current_record_no;
+ generation = log->rl_head.generation_id;
+ spin_unlock(&log->rl_lock);
+
+ if (generation != state->generation_id)
+ return head_no - tail_no;
+ else
+ return head_no - max_t(u64, tail_no, state->current_record_no);
+}
+
+int incfs_collect_logged_reads(struct mount_info *mi,
+ struct read_log_state *state,
+ struct incfs_pending_read_info *reads,
+ struct incfs_pending_read_info2 *reads2,
+ int reads_size)
+{
+ int dst_idx;
+ struct read_log *log = &mi->mi_log;
+ struct read_log_state *head, *tail;
+
+ spin_lock(&log->rl_lock);
+ head = &log->rl_head;
+ tail = &log->rl_tail;
+
+ if (state->generation_id != head->generation_id) {
+ pr_debug("read ptr is wrong generation: %u/%u",
+ state->generation_id, head->generation_id);
+
+ *state = (struct read_log_state){
+ .generation_id = head->generation_id,
+ };
+ }
+
+ if (state->current_record_no < tail->current_record_no) {
+ pr_debug("read ptr is behind, moving: %u/%u -> %u/%u\n",
+ (u32)state->next_offset,
+ (u32)state->current_pass_no,
+ (u32)tail->next_offset, (u32)tail->current_pass_no);
+
+ *state = *tail;
+ }
+
+ for (dst_idx = 0; dst_idx < reads_size; dst_idx++) {
+ if (state->current_record_no == head->current_record_no)
+ break;
+
+ log_read_one_record(log, state);
+
+ if (reads)
+ reads[dst_idx] = (struct incfs_pending_read_info) {
+ .file_id = state->base_record.file_id,
+ .block_index = state->base_record.block_index,
+ .serial_number = state->current_record_no,
+ .timestamp_us =
+ state->base_record.absolute_ts_us,
+ };
+
+ if (reads2)
+ reads2[dst_idx] = (struct incfs_pending_read_info2) {
+ .file_id = state->base_record.file_id,
+ .block_index = state->base_record.block_index,
+ .serial_number = state->current_record_no,
+ .timestamp_us =
+ state->base_record.absolute_ts_us,
+ .uid = state->base_record.uid,
+ };
+ }
+
+ spin_unlock(&log->rl_lock);
+ return dst_idx;
+}
+
diff --git a/fs/incfs/data_mgmt.h b/fs/incfs/data_mgmt.h
new file mode 100644
index 0000000..84db038
--- /dev/null
+++ b/fs/incfs/data_mgmt.h
@@ -0,0 +1,543 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+#ifndef _INCFS_DATA_MGMT_H
+#define _INCFS_DATA_MGMT_H
+
+#include <linux/cred.h>
+#include <linux/fs.h>
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+#include <linux/rcupdate.h>
+#include <linux/completion.h>
+#include <linux/wait.h>
+#include <linux/zstd.h>
+#include <crypto/hash.h>
+#include <linux/rwsem.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "internal.h"
+#include "pseudo_files.h"
+
+#define SEGMENTS_PER_FILE 3
+
+enum LOG_RECORD_TYPE {
+ FULL,
+ SAME_FILE,
+ SAME_FILE_CLOSE_BLOCK,
+ SAME_FILE_CLOSE_BLOCK_SHORT,
+ SAME_FILE_NEXT_BLOCK,
+ SAME_FILE_NEXT_BLOCK_SHORT,
+};
+
+struct full_record {
+ enum LOG_RECORD_TYPE type : 3; /* FULL */
+ u32 block_index : 29;
+ incfs_uuid_t file_id;
+ u64 absolute_ts_us;
+ uid_t uid;
+} __packed; /* 32 bytes */
+
+struct same_file {
+ enum LOG_RECORD_TYPE type : 3; /* SAME_FILE */
+ u32 block_index : 29;
+ uid_t uid;
+ u16 relative_ts_us; /* max 2^16 us ~= 64 ms */
+} __packed; /* 10 bytes */
+
+struct same_file_close_block {
+ enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_CLOSE_BLOCK */
+ u16 relative_ts_us : 13; /* max 2^13 us ~= 8 ms */
+ s16 block_index_delta;
+} __packed; /* 4 bytes */
+
+struct same_file_close_block_short {
+ enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_CLOSE_BLOCK_SHORT */
+ u8 relative_ts_tens_us : 5; /* max 2^5*10 us ~= 320 us */
+ s8 block_index_delta;
+} __packed; /* 2 bytes */
+
+struct same_file_next_block {
+ enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_NEXT_BLOCK */
+ u16 relative_ts_us : 13; /* max 2^13 us ~= 8 ms */
+} __packed; /* 2 bytes */
+
+struct same_file_next_block_short {
+ enum LOG_RECORD_TYPE type : 3; /* SAME_FILE_NEXT_BLOCK_SHORT */
+ u8 relative_ts_tens_us : 5; /* max 2^5*10 us ~= 320 us */
+} __packed; /* 1 byte */
+
+union log_record {
+ struct full_record full_record;
+ struct same_file same_file;
+ struct same_file_close_block same_file_close_block;
+ struct same_file_close_block_short same_file_close_block_short;
+ struct same_file_next_block same_file_next_block;
+ struct same_file_next_block_short same_file_next_block_short;
+};
+
+struct read_log_state {
+ /* Log buffer generation id, incremented on configuration changes */
+ u32 generation_id;
+
+ /* Offset in rl_ring_buf to write into. */
+ u32 next_offset;
+
+ /* Current number of writer passes over rl_ring_buf */
+ u32 current_pass_no;
+
+ /* Current full_record to diff against */
+ struct full_record base_record;
+
+ /* Current record number counting from configuration change */
+ u64 current_record_no;
+};
+
+/* A ring buffer to save records about data blocks which were recently read. */
+struct read_log {
+ void *rl_ring_buf;
+
+ int rl_size;
+
+ struct read_log_state rl_head;
+
+ struct read_log_state rl_tail;
+
+ /* A lock to protect the above fields */
+ spinlock_t rl_lock;
+
+ /* A queue of waiters who want to be notified about reads */
+ wait_queue_head_t ml_notif_wq;
+
+ /* A work item to wake up those waiters without slowing down readers */
+ struct delayed_work ml_wakeup_work;
+};
+
+struct mount_options {
+ unsigned int read_timeout_ms;
+ unsigned int readahead_pages;
+ unsigned int read_log_pages;
+ unsigned int read_log_wakeup_count;
+ bool report_uid;
+ char *sysfs_name;
+};
+
+struct mount_info {
+ struct super_block *mi_sb;
+
+ struct path mi_backing_dir_path;
+
+ struct dentry *mi_index_dir;
+
+ struct dentry *mi_incomplete_dir;
+
+ const struct cred *mi_owner;
+
+ struct mount_options mi_options;
+
+ /* This mutex is to be taken before create, rename, delete */
+ struct mutex mi_dir_struct_mutex;
+
+ /*
+ * A queue of waiters who want to be notified about new pending reads.
+ */
+ wait_queue_head_t mi_pending_reads_notif_wq;
+
+ /*
+ * Protects - RCU safe:
+ * - reads_list_head
+ * - mi_pending_reads_count
+ * - mi_last_pending_read_number
+ * - data_file_segment.reads_list_head
+ */
+ spinlock_t pending_read_lock;
+
+ /* List of active pending_read objects */
+ struct list_head mi_reads_list_head;
+
+ /* Total number of items in reads_list_head */
+ int mi_pending_reads_count;
+
+ /*
+ * Last serial number that was assigned to a pending read.
+ * 0 means no pending reads have been seen yet.
+ */
+ int mi_last_pending_read_number;
+
+ /* Temporary buffer for read logger. */
+ struct read_log mi_log;
+
+ /* SELinux needs special xattrs on our pseudo files */
+ struct mem_range pseudo_file_xattr[PSEUDO_FILE_COUNT];
+
+ /* A queue of waiters who want to be notified about blocks_written */
+ wait_queue_head_t mi_blocks_written_notif_wq;
+
+ /* Number of blocks written since mount */
+ atomic_t mi_blocks_written;
+
+ /* Per UID read timeouts */
+ spinlock_t mi_per_uid_read_timeouts_lock;
+ struct incfs_per_uid_read_timeouts *mi_per_uid_read_timeouts;
+ int mi_per_uid_read_timeouts_size;
+
+ /* zstd workspace */
+ struct mutex mi_zstd_workspace_mutex;
+ void *mi_zstd_workspace;
+ ZSTD_DStream *mi_zstd_stream;
+ struct delayed_work mi_zstd_cleanup_work;
+
+ /* sysfs node */
+ struct incfs_sysfs_node *mi_sysfs_node;
+
+ /* Last error information */
+ struct mutex mi_le_mutex;
+ incfs_uuid_t mi_le_file_id;
+ u64 mi_le_time_us;
+ u32 mi_le_page;
+ u32 mi_le_errno;
+ uid_t mi_le_uid;
+
+ /* Number of reads timed out */
+ u32 mi_reads_failed_timed_out;
+
+ /* Number of reads failed because hash verification failed */
+ u32 mi_reads_failed_hash_verification;
+
+ /* Number of reads failed for another reason */
+ u32 mi_reads_failed_other;
+
+ /* Number of reads delayed because page had to be fetched */
+ u32 mi_reads_delayed_pending;
+
+ /* Total time waiting for pages to be fetched */
+ u64 mi_reads_delayed_pending_us;
+
+ /*
+ * Number of reads delayed because of per-uid min_time_us or
+ * min_pending_time_us settings
+ */
+ u32 mi_reads_delayed_min;
+
+ /* Total time waiting because of per-uid min_time_us or
+ * min_pending_time_us settings.
+ *
+ * Note that if a read is initially delayed because we have to wait for
+ * the page, then further delayed because of min_pending_time_us
+ * setting, this counter gets incremented by only the further delay
+ * time.
+ */
+ u64 mi_reads_delayed_min_us;
+};
+
+struct data_file_block {
+ loff_t db_backing_file_data_offset;
+
+ size_t db_stored_size;
+
+ enum incfs_compression_alg db_comp_alg;
+};
+
+struct pending_read {
+ incfs_uuid_t file_id;
+
+ s64 timestamp_us;
+
+ atomic_t done;
+
+ int block_index;
+
+ int serial_number;
+
+ uid_t uid;
+
+ struct list_head mi_reads_list;
+
+ struct list_head segment_reads_list;
+
+ struct rcu_head rcu;
+};
+
+struct data_file_segment {
+ wait_queue_head_t new_data_arrival_wq;
+
+ /* Protects reads and writes from the blockmap */
+ struct rw_semaphore rwsem;
+
+ /* List of active pending_read objects belonging to this segment */
+ /* Protected by mount_info.pending_reads_mutex */
+ struct list_head reads_list_head;
+};
+
+/*
+ * Extra info associated with a file. Just a few bytes set by a user.
+ */
+struct file_attr {
+ loff_t fa_value_offset;
+
+ size_t fa_value_size;
+
+ u32 fa_crc;
+};
+
+
+struct data_file {
+ struct backing_file_context *df_backing_file_context;
+
+ struct mount_info *df_mount_info;
+
+ incfs_uuid_t df_id;
+
+ /*
+ * Array of segments used to reduce lock contention for the file.
+ * Segment is chosen for a block depends on the block's index.
+ */
+ struct data_file_segment df_segments[SEGMENTS_PER_FILE];
+
+ /* Base offset of the first metadata record. */
+ loff_t df_metadata_off;
+
+ /* Base offset of the block map. */
+ loff_t df_blockmap_off;
+
+ /* File size in bytes */
+ loff_t df_size;
+
+ /* File header flags */
+ u32 df_header_flags;
+
+ /* File size in DATA_FILE_BLOCK_SIZE blocks */
+ int df_data_block_count;
+
+ /* Total number of blocks, data + hash */
+ int df_total_block_count;
+
+ /* For mapped files, the offset into the actual file */
+ loff_t df_mapped_offset;
+
+ /* Number of data blocks written to file */
+ atomic_t df_data_blocks_written;
+
+ /* Number of data blocks in the status block */
+ u32 df_initial_data_blocks_written;
+
+ /* Number of hash blocks written to file */
+ atomic_t df_hash_blocks_written;
+
+ /* Number of hash blocks in the status block */
+ u32 df_initial_hash_blocks_written;
+
+ /* Offset to status metadata header */
+ loff_t df_status_offset;
+
+ /*
+ * Mutex acquired while enabling verity. Note that df_hash_tree is set
+ * by enable verity.
+ *
+ * The backing file mutex bc_mutex may be taken while this mutex is
+ * held.
+ */
+ struct mutex df_enable_verity;
+
+ /*
+ * Set either at construction time or during enabling verity. In the
+ * latter case, set via smp_store_release, so use smp_load_acquire to
+ * read it.
+ */
+ struct mtree *df_hash_tree;
+
+ /* Guaranteed set if df_hash_tree is set. */
+ struct incfs_df_signature *df_signature;
+
+ /*
+ * The verity file digest, set when verity is enabled and the file has
+ * been opened
+ */
+ struct mem_range df_verity_file_digest;
+
+ struct incfs_df_verity_signature *df_verity_signature;
+};
+
+struct dir_file {
+ struct mount_info *mount_info;
+
+ struct file *backing_dir;
+};
+
+struct inode_info {
+ struct mount_info *n_mount_info; /* A mount, this file belongs to */
+
+ struct inode *n_backing_inode;
+
+ struct data_file *n_file;
+
+ struct inode n_vfs_inode;
+};
+
+struct dentry_info {
+ struct path backing_path;
+};
+
+enum FILL_PERMISSION {
+ CANT_FILL = 0,
+ CAN_FILL = 1,
+};
+
+struct incfs_file_data {
+ /* Does this file handle have INCFS_IOC_FILL_BLOCKS permission */
+ enum FILL_PERMISSION fd_fill_permission;
+
+ /* If INCFS_IOC_GET_FILLED_BLOCKS has been called, where are we */
+ int fd_get_block_pos;
+
+ /* And how many filled blocks are there up to that point */
+ int fd_filled_data_blocks;
+ int fd_filled_hash_blocks;
+};
+
+struct mount_info *incfs_alloc_mount_info(struct super_block *sb,
+ struct mount_options *options,
+ struct path *backing_dir_path);
+
+int incfs_realloc_mount_info(struct mount_info *mi,
+ struct mount_options *options);
+
+void incfs_free_mount_info(struct mount_info *mi);
+
+char *file_id_to_str(incfs_uuid_t id);
+struct dentry *incfs_lookup_dentry(struct dentry *parent, const char *name);
+struct data_file *incfs_open_data_file(struct mount_info *mi, struct file *bf);
+void incfs_free_data_file(struct data_file *df);
+
+struct dir_file *incfs_open_dir_file(struct mount_info *mi, struct file *bf);
+void incfs_free_dir_file(struct dir_file *dir);
+
+struct incfs_read_data_file_timeouts {
+ u32 min_time_us;
+ u32 min_pending_time_us;
+ u32 max_pending_time_us;
+};
+
+ssize_t incfs_read_data_file_block(struct mem_range dst, struct file *f,
+ int index, struct mem_range tmp,
+ struct incfs_read_data_file_timeouts *timeouts);
+
+ssize_t incfs_read_merkle_tree_blocks(struct mem_range dst,
+ struct data_file *df, size_t offset);
+
+int incfs_get_filled_blocks(struct data_file *df,
+ struct incfs_file_data *fd,
+ struct incfs_get_filled_blocks_args *arg);
+
+int incfs_read_file_signature(struct data_file *df, struct mem_range dst);
+
+int incfs_process_new_data_block(struct data_file *df,
+ struct incfs_fill_block *block, u8 *data);
+
+int incfs_process_new_hash_block(struct data_file *df,
+ struct incfs_fill_block *block, u8 *data);
+
+bool incfs_fresh_pending_reads_exist(struct mount_info *mi, int last_number);
+
+/*
+ * Collects pending reads and saves them into the array (reads/reads_size).
+ * Only reads with serial_number > sn_lowerbound are reported.
+ * Returns how many reads were saved into the array.
+ */
+int incfs_collect_pending_reads(struct mount_info *mi, int sn_lowerbound,
+ struct incfs_pending_read_info *reads,
+ struct incfs_pending_read_info2 *reads2,
+ int reads_size, int *new_max_sn);
+
+int incfs_collect_logged_reads(struct mount_info *mi,
+ struct read_log_state *start_state,
+ struct incfs_pending_read_info *reads,
+ struct incfs_pending_read_info2 *reads2,
+ int reads_size);
+struct read_log_state incfs_get_log_state(struct mount_info *mi);
+int incfs_get_uncollected_logs_count(struct mount_info *mi,
+ const struct read_log_state *state);
+
+static inline struct inode_info *get_incfs_node(struct inode *inode)
+{
+ if (!inode)
+ return NULL;
+
+ if (inode->i_sb->s_magic != INCFS_MAGIC_NUMBER) {
+ /* This inode doesn't belong to us. */
+ pr_warn_once("incfs: %s on an alien inode.", __func__);
+ return NULL;
+ }
+
+ return container_of(inode, struct inode_info, n_vfs_inode);
+}
+
+static inline struct data_file *get_incfs_data_file(struct file *f)
+{
+ struct inode_info *node = NULL;
+
+ if (!f)
+ return NULL;
+
+ if (!S_ISREG(f->f_inode->i_mode))
+ return NULL;
+
+ node = get_incfs_node(f->f_inode);
+ if (!node)
+ return NULL;
+
+ return node->n_file;
+}
+
+static inline struct dir_file *get_incfs_dir_file(struct file *f)
+{
+ if (!f)
+ return NULL;
+
+ if (!S_ISDIR(f->f_inode->i_mode))
+ return NULL;
+
+ return (struct dir_file *)f->private_data;
+}
+
+/*
+ * Make sure that inode_info.n_file is initialized and inode can be used
+ * for reading and writing data from/to the backing file.
+ */
+int make_inode_ready_for_data_ops(struct mount_info *mi,
+ struct inode *inode,
+ struct file *backing_file);
+
+static inline struct dentry_info *get_incfs_dentry(const struct dentry *d)
+{
+ if (!d)
+ return NULL;
+
+ return (struct dentry_info *)d->d_fsdata;
+}
+
+static inline void get_incfs_backing_path(const struct dentry *d,
+ struct path *path)
+{
+ struct dentry_info *di = get_incfs_dentry(d);
+
+ if (!di) {
+ *path = (struct path) {};
+ return;
+ }
+
+ *path = di->backing_path;
+ path_get(path);
+}
+
+static inline int get_blocks_count_for_size(u64 size)
+{
+ if (size == 0)
+ return 0;
+ return 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+}
+
+#endif /* _INCFS_DATA_MGMT_H */
diff --git a/fs/incfs/format.c b/fs/incfs/format.c
new file mode 100644
index 0000000..9128cd2
--- /dev/null
+++ b/fs/incfs/format.c
@@ -0,0 +1,752 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#include <linux/fs.h>
+#include <linux/file.h>
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/mm.h>
+#include <linux/falloc.h>
+#include <linux/slab.h>
+#include <linux/crc32.h>
+#include <linux/kernel.h>
+
+#include "format.h"
+#include "data_mgmt.h"
+
+struct backing_file_context *incfs_alloc_bfc(struct mount_info *mi,
+ struct file *backing_file)
+{
+ struct backing_file_context *result = NULL;
+
+ result = kzalloc(sizeof(*result), GFP_NOFS);
+ if (!result)
+ return ERR_PTR(-ENOMEM);
+
+ result->bc_file = get_file(backing_file);
+ result->bc_cred = mi->mi_owner;
+ mutex_init(&result->bc_mutex);
+ return result;
+}
+
+void incfs_free_bfc(struct backing_file_context *bfc)
+{
+ if (!bfc)
+ return;
+
+ if (bfc->bc_file)
+ fput(bfc->bc_file);
+
+ mutex_destroy(&bfc->bc_mutex);
+ kfree(bfc);
+}
+
+static loff_t incfs_get_end_offset(struct file *f)
+{
+ /*
+ * This function assumes that file size and the end-offset
+ * are the same. This is not always true.
+ */
+ return i_size_read(file_inode(f));
+}
+
+/*
+ * Truncate the tail of the file to the given length.
+ * Used to rollback partially successful multistep writes.
+ */
+static int truncate_backing_file(struct backing_file_context *bfc,
+ loff_t new_end)
+{
+ struct inode *inode = NULL;
+ struct dentry *dentry = NULL;
+ loff_t old_end = 0;
+ struct iattr attr;
+ int result = 0;
+
+ if (!bfc)
+ return -EFAULT;
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ if (!bfc->bc_file)
+ return -EFAULT;
+
+ old_end = incfs_get_end_offset(bfc->bc_file);
+ if (old_end == new_end)
+ return 0;
+ if (old_end < new_end)
+ return -EINVAL;
+
+ inode = bfc->bc_file->f_inode;
+ dentry = bfc->bc_file->f_path.dentry;
+
+ attr.ia_size = new_end;
+ attr.ia_valid = ATTR_SIZE;
+
+ inode_lock(inode);
+ result = notify_change(dentry, &attr, NULL);
+ inode_unlock(inode);
+
+ return result;
+}
+
+static int write_to_bf(struct backing_file_context *bfc, const void *buf,
+ size_t count, loff_t pos)
+{
+ ssize_t res = incfs_kwrite(bfc, buf, count, pos);
+
+ if (res < 0)
+ return res;
+ if (res != count)
+ return -EIO;
+ return 0;
+}
+
+static int append_zeros_no_fallocate(struct backing_file_context *bfc,
+ size_t file_size, size_t len)
+{
+ u8 buffer[256] = {};
+ size_t i;
+
+ for (i = 0; i < len; i += sizeof(buffer)) {
+ int to_write = len - i > sizeof(buffer)
+ ? sizeof(buffer) : len - i;
+ int err = write_to_bf(bfc, buffer, to_write, file_size + i);
+
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Append a given number of zero bytes to the end of the backing file. */
+static int append_zeros(struct backing_file_context *bfc, size_t len)
+{
+ loff_t file_size = 0;
+ loff_t new_last_byte_offset = 0;
+ int result;
+
+ if (!bfc)
+ return -EFAULT;
+
+ if (len == 0)
+ return 0;
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ /*
+ * Allocate only one byte at the new desired end of the file.
+ * It will increase file size and create a zeroed area of
+ * a given size.
+ */
+ file_size = incfs_get_end_offset(bfc->bc_file);
+ new_last_byte_offset = file_size + len - 1;
+ result = vfs_fallocate(bfc->bc_file, 0, new_last_byte_offset, 1);
+ if (result != -EOPNOTSUPP)
+ return result;
+
+ return append_zeros_no_fallocate(bfc, file_size, len);
+}
+
+/*
+ * Append a given metadata record to the backing file and update a previous
+ * record to add the new record the the metadata list.
+ */
+static int append_md_to_backing_file(struct backing_file_context *bfc,
+ struct incfs_md_header *record)
+{
+ int result = 0;
+ loff_t record_offset;
+ loff_t file_pos;
+ __le64 new_md_offset;
+ size_t record_size;
+
+ if (!bfc || !record)
+ return -EFAULT;
+
+ if (bfc->bc_last_md_record_offset < 0)
+ return -EINVAL;
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ record_size = le16_to_cpu(record->h_record_size);
+ file_pos = incfs_get_end_offset(bfc->bc_file);
+ record->h_next_md_offset = 0;
+
+ /* Write the metadata record to the end of the backing file */
+ record_offset = file_pos;
+ new_md_offset = cpu_to_le64(record_offset);
+ result = write_to_bf(bfc, record, record_size, file_pos);
+ if (result)
+ return result;
+
+ /* Update next metadata offset in a previous record or a superblock. */
+ if (bfc->bc_last_md_record_offset) {
+ /*
+ * Find a place in the previous md record where new record's
+ * offset needs to be saved.
+ */
+ file_pos = bfc->bc_last_md_record_offset +
+ offsetof(struct incfs_md_header, h_next_md_offset);
+ } else {
+ /*
+ * No metadata yet, file a place to update in the
+ * file_header.
+ */
+ file_pos = offsetof(struct incfs_file_header,
+ fh_first_md_offset);
+ }
+ result = write_to_bf(bfc, &new_md_offset, sizeof(new_md_offset),
+ file_pos);
+ if (result)
+ return result;
+
+ bfc->bc_last_md_record_offset = record_offset;
+ return result;
+}
+
+/*
+ * Reserve 0-filled space for the blockmap body, and append
+ * incfs_blockmap metadata record pointing to it.
+ */
+int incfs_write_blockmap_to_backing_file(struct backing_file_context *bfc,
+ u32 block_count)
+{
+ struct incfs_blockmap blockmap = {};
+ int result = 0;
+ loff_t file_end = 0;
+ size_t map_size = block_count * sizeof(struct incfs_blockmap_entry);
+
+ if (!bfc)
+ return -EFAULT;
+
+ blockmap.m_header.h_md_entry_type = INCFS_MD_BLOCK_MAP;
+ blockmap.m_header.h_record_size = cpu_to_le16(sizeof(blockmap));
+ blockmap.m_header.h_next_md_offset = cpu_to_le64(0);
+ blockmap.m_block_count = cpu_to_le32(block_count);
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ /* Reserve 0-filled space for the blockmap body in the backing file. */
+ file_end = incfs_get_end_offset(bfc->bc_file);
+ result = append_zeros(bfc, map_size);
+ if (result)
+ return result;
+
+ /* Write blockmap metadata record pointing to the body written above. */
+ blockmap.m_base_offset = cpu_to_le64(file_end);
+ result = append_md_to_backing_file(bfc, &blockmap.m_header);
+ if (result)
+ /* Error, rollback file changes */
+ truncate_backing_file(bfc, file_end);
+
+ return result;
+}
+
+int incfs_write_signature_to_backing_file(struct backing_file_context *bfc,
+ struct mem_range sig, u32 tree_size,
+ loff_t *tree_offset, loff_t *sig_offset)
+{
+ struct incfs_file_signature sg = {};
+ int result = 0;
+ loff_t rollback_pos = 0;
+ loff_t tree_area_pos = 0;
+ size_t alignment = 0;
+
+ if (!bfc)
+ return -EFAULT;
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ rollback_pos = incfs_get_end_offset(bfc->bc_file);
+
+ sg.sg_header.h_md_entry_type = INCFS_MD_SIGNATURE;
+ sg.sg_header.h_record_size = cpu_to_le16(sizeof(sg));
+ sg.sg_header.h_next_md_offset = cpu_to_le64(0);
+ if (sig.data != NULL && sig.len > 0) {
+ sg.sg_sig_size = cpu_to_le32(sig.len);
+ sg.sg_sig_offset = cpu_to_le64(rollback_pos);
+
+ result = write_to_bf(bfc, sig.data, sig.len, rollback_pos);
+ if (result)
+ goto err;
+ }
+
+ tree_area_pos = incfs_get_end_offset(bfc->bc_file);
+ if (tree_size > 0) {
+ if (tree_size > 5 * INCFS_DATA_FILE_BLOCK_SIZE) {
+ /*
+ * If hash tree is big enough, it makes sense to
+ * align in the backing file for faster access.
+ */
+ loff_t offset = round_up(tree_area_pos, PAGE_SIZE);
+
+ alignment = offset - tree_area_pos;
+ tree_area_pos = offset;
+ }
+
+ /*
+ * If root hash is not the only hash in the tree.
+ * reserve 0-filled space for the tree.
+ */
+ result = append_zeros(bfc, tree_size + alignment);
+ if (result)
+ goto err;
+
+ sg.sg_hash_tree_size = cpu_to_le32(tree_size);
+ sg.sg_hash_tree_offset = cpu_to_le64(tree_area_pos);
+ }
+
+ /* Write a hash tree metadata record pointing to the hash tree above. */
+ result = append_md_to_backing_file(bfc, &sg.sg_header);
+err:
+ if (result)
+ /* Error, rollback file changes */
+ truncate_backing_file(bfc, rollback_pos);
+ else {
+ if (tree_offset)
+ *tree_offset = tree_area_pos;
+ if (sig_offset)
+ *sig_offset = rollback_pos;
+ }
+
+ return result;
+}
+
+static int write_new_status_to_backing_file(struct backing_file_context *bfc,
+ u32 data_blocks_written,
+ u32 hash_blocks_written)
+{
+ int result;
+ loff_t rollback_pos;
+ struct incfs_status is = {
+ .is_header = {
+ .h_md_entry_type = INCFS_MD_STATUS,
+ .h_record_size = cpu_to_le16(sizeof(is)),
+ },
+ .is_data_blocks_written = cpu_to_le32(data_blocks_written),
+ .is_hash_blocks_written = cpu_to_le32(hash_blocks_written),
+ };
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+ rollback_pos = incfs_get_end_offset(bfc->bc_file);
+ result = append_md_to_backing_file(bfc, &is.is_header);
+ if (result)
+ truncate_backing_file(bfc, rollback_pos);
+
+ return result;
+}
+
+int incfs_write_status_to_backing_file(struct backing_file_context *bfc,
+ loff_t status_offset,
+ u32 data_blocks_written,
+ u32 hash_blocks_written)
+{
+ struct incfs_status is;
+ int result;
+
+ if (!bfc)
+ return -EFAULT;
+
+ if (status_offset == 0)
+ return write_new_status_to_backing_file(bfc,
+ data_blocks_written, hash_blocks_written);
+
+ result = incfs_kread(bfc, &is, sizeof(is), status_offset);
+ if (result != sizeof(is))
+ return -EIO;
+
+ is.is_data_blocks_written = cpu_to_le32(data_blocks_written);
+ is.is_hash_blocks_written = cpu_to_le32(hash_blocks_written);
+ result = incfs_kwrite(bfc, &is, sizeof(is), status_offset);
+ if (result != sizeof(is))
+ return -EIO;
+
+ return 0;
+}
+
+int incfs_write_verity_signature_to_backing_file(
+ struct backing_file_context *bfc, struct mem_range signature,
+ loff_t *offset)
+{
+ struct incfs_file_verity_signature vs = {};
+ int result;
+ loff_t pos;
+
+ /* No verity signature section is equivalent to an empty section */
+ if (signature.data == NULL || signature.len == 0)
+ return 0;
+
+ pos = incfs_get_end_offset(bfc->bc_file);
+
+ vs = (struct incfs_file_verity_signature) {
+ .vs_header = (struct incfs_md_header) {
+ .h_md_entry_type = INCFS_MD_VERITY_SIGNATURE,
+ .h_record_size = cpu_to_le16(sizeof(vs)),
+ .h_next_md_offset = cpu_to_le64(0),
+ },
+ .vs_size = cpu_to_le32(signature.len),
+ .vs_offset = cpu_to_le64(pos),
+ };
+
+ result = write_to_bf(bfc, signature.data, signature.len, pos);
+ if (result)
+ goto err;
+
+ result = append_md_to_backing_file(bfc, &vs.vs_header);
+ if (result)
+ goto err;
+
+ *offset = pos;
+err:
+ if (result)
+ /* Error, rollback file changes */
+ truncate_backing_file(bfc, pos);
+ return result;
+}
+
+/*
+ * Write a backing file header
+ * It should always be called only on empty file.
+ * fh.fh_first_md_offset is 0 for now, but will be updated
+ * once first metadata record is added.
+ */
+int incfs_write_fh_to_backing_file(struct backing_file_context *bfc,
+ incfs_uuid_t *uuid, u64 file_size)
+{
+ struct incfs_file_header fh = {};
+ loff_t file_pos = 0;
+
+ if (!bfc)
+ return -EFAULT;
+
+ fh.fh_magic = cpu_to_le64(INCFS_MAGIC_NUMBER);
+ fh.fh_version = cpu_to_le64(INCFS_FORMAT_CURRENT_VER);
+ fh.fh_header_size = cpu_to_le16(sizeof(fh));
+ fh.fh_first_md_offset = cpu_to_le64(0);
+ fh.fh_data_block_size = cpu_to_le16(INCFS_DATA_FILE_BLOCK_SIZE);
+
+ fh.fh_file_size = cpu_to_le64(file_size);
+ fh.fh_uuid = *uuid;
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ file_pos = incfs_get_end_offset(bfc->bc_file);
+ if (file_pos != 0)
+ return -EEXIST;
+
+ return write_to_bf(bfc, &fh, sizeof(fh), file_pos);
+}
+
+/*
+ * Write a backing file header for a mapping file
+ * It should always be called only on empty file.
+ */
+int incfs_write_mapping_fh_to_backing_file(struct backing_file_context *bfc,
+ incfs_uuid_t *uuid, u64 file_size, u64 offset)
+{
+ struct incfs_file_header fh = {};
+ loff_t file_pos = 0;
+
+ if (!bfc)
+ return -EFAULT;
+
+ fh.fh_magic = cpu_to_le64(INCFS_MAGIC_NUMBER);
+ fh.fh_version = cpu_to_le64(INCFS_FORMAT_CURRENT_VER);
+ fh.fh_header_size = cpu_to_le16(sizeof(fh));
+ fh.fh_original_offset = cpu_to_le64(offset);
+ fh.fh_data_block_size = cpu_to_le16(INCFS_DATA_FILE_BLOCK_SIZE);
+
+ fh.fh_mapped_file_size = cpu_to_le64(file_size);
+ fh.fh_original_uuid = *uuid;
+ fh.fh_flags = cpu_to_le32(INCFS_FILE_MAPPED);
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ file_pos = incfs_get_end_offset(bfc->bc_file);
+ if (file_pos != 0)
+ return -EEXIST;
+
+ return write_to_bf(bfc, &fh, sizeof(fh), file_pos);
+}
+
+/* Write a given data block and update file's blockmap to point it. */
+int incfs_write_data_block_to_backing_file(struct backing_file_context *bfc,
+ struct mem_range block, int block_index,
+ loff_t bm_base_off, u16 flags)
+{
+ struct incfs_blockmap_entry bm_entry = {};
+ int result = 0;
+ loff_t data_offset = 0;
+ loff_t bm_entry_off =
+ bm_base_off + sizeof(struct incfs_blockmap_entry) * block_index;
+
+ if (!bfc)
+ return -EFAULT;
+
+ if (block.len >= (1 << 16) || block_index < 0)
+ return -EINVAL;
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ data_offset = incfs_get_end_offset(bfc->bc_file);
+ if (data_offset <= bm_entry_off) {
+ /* Blockmap entry is beyond the file's end. It is not normal. */
+ return -EINVAL;
+ }
+
+ /* Write the block data at the end of the backing file. */
+ result = write_to_bf(bfc, block.data, block.len, data_offset);
+ if (result)
+ return result;
+
+ /* Update the blockmap to point to the newly written data. */
+ bm_entry.me_data_offset_lo = cpu_to_le32((u32)data_offset);
+ bm_entry.me_data_offset_hi = cpu_to_le16((u16)(data_offset >> 32));
+ bm_entry.me_data_size = cpu_to_le16((u16)block.len);
+ bm_entry.me_flags = cpu_to_le16(flags);
+
+ return write_to_bf(bfc, &bm_entry, sizeof(bm_entry),
+ bm_entry_off);
+}
+
+int incfs_write_hash_block_to_backing_file(struct backing_file_context *bfc,
+ struct mem_range block,
+ int block_index,
+ loff_t hash_area_off,
+ loff_t bm_base_off,
+ loff_t file_size)
+{
+ struct incfs_blockmap_entry bm_entry = {};
+ int result;
+ loff_t data_offset = 0;
+ loff_t file_end = 0;
+ loff_t bm_entry_off =
+ bm_base_off +
+ sizeof(struct incfs_blockmap_entry) *
+ (block_index + get_blocks_count_for_size(file_size));
+
+ if (!bfc)
+ return -EFAULT;
+
+ LOCK_REQUIRED(bfc->bc_mutex);
+
+ data_offset = hash_area_off + block_index * INCFS_DATA_FILE_BLOCK_SIZE;
+ file_end = incfs_get_end_offset(bfc->bc_file);
+ if (data_offset + block.len > file_end) {
+ /* Block is located beyond the file's end. It is not normal. */
+ return -EINVAL;
+ }
+
+ result = write_to_bf(bfc, block.data, block.len, data_offset);
+ if (result)
+ return result;
+
+ bm_entry.me_data_offset_lo = cpu_to_le32((u32)data_offset);
+ bm_entry.me_data_offset_hi = cpu_to_le16((u16)(data_offset >> 32));
+ bm_entry.me_data_size = cpu_to_le16(INCFS_DATA_FILE_BLOCK_SIZE);
+
+ return write_to_bf(bfc, &bm_entry, sizeof(bm_entry), bm_entry_off);
+}
+
+int incfs_read_blockmap_entry(struct backing_file_context *bfc, int block_index,
+ loff_t bm_base_off,
+ struct incfs_blockmap_entry *bm_entry)
+{
+ int error = incfs_read_blockmap_entries(bfc, bm_entry, block_index, 1,
+ bm_base_off);
+
+ if (error < 0)
+ return error;
+
+ if (error == 0)
+ return -EIO;
+
+ if (error != 1)
+ return -EFAULT;
+
+ return 0;
+}
+
+int incfs_read_blockmap_entries(struct backing_file_context *bfc,
+ struct incfs_blockmap_entry *entries,
+ int start_index, int blocks_number,
+ loff_t bm_base_off)
+{
+ loff_t bm_entry_off =
+ bm_base_off + sizeof(struct incfs_blockmap_entry) * start_index;
+ const size_t bytes_to_read = sizeof(struct incfs_blockmap_entry)
+ * blocks_number;
+ int result = 0;
+
+ if (!bfc || !entries)
+ return -EFAULT;
+
+ if (start_index < 0 || bm_base_off <= 0)
+ return -ENODATA;
+
+ result = incfs_kread(bfc, entries, bytes_to_read, bm_entry_off);
+ if (result < 0)
+ return result;
+ return result / sizeof(*entries);
+}
+
+int incfs_read_file_header(struct backing_file_context *bfc,
+ loff_t *first_md_off, incfs_uuid_t *uuid,
+ u64 *file_size, u32 *flags)
+{
+ ssize_t bytes_read = 0;
+ struct incfs_file_header fh = {};
+
+ if (!bfc || !first_md_off)
+ return -EFAULT;
+
+ bytes_read = incfs_kread(bfc, &fh, sizeof(fh), 0);
+ if (bytes_read < 0)
+ return bytes_read;
+
+ if (bytes_read < sizeof(fh))
+ return -EBADMSG;
+
+ if (le64_to_cpu(fh.fh_magic) != INCFS_MAGIC_NUMBER)
+ return -EILSEQ;
+
+ if (le64_to_cpu(fh.fh_version) > INCFS_FORMAT_CURRENT_VER)
+ return -EILSEQ;
+
+ if (le16_to_cpu(fh.fh_data_block_size) != INCFS_DATA_FILE_BLOCK_SIZE)
+ return -EILSEQ;
+
+ if (le16_to_cpu(fh.fh_header_size) != sizeof(fh))
+ return -EILSEQ;
+
+ if (first_md_off)
+ *first_md_off = le64_to_cpu(fh.fh_first_md_offset);
+ if (uuid)
+ *uuid = fh.fh_uuid;
+ if (file_size)
+ *file_size = le64_to_cpu(fh.fh_file_size);
+ if (flags)
+ *flags = le32_to_cpu(fh.fh_flags);
+ return 0;
+}
+
+/*
+ * Read through metadata records from the backing file one by one
+ * and call provided metadata handlers.
+ */
+int incfs_read_next_metadata_record(struct backing_file_context *bfc,
+ struct metadata_handler *handler)
+{
+ const ssize_t max_md_size = INCFS_MAX_METADATA_RECORD_SIZE;
+ ssize_t bytes_read = 0;
+ size_t md_record_size = 0;
+ loff_t next_record = 0;
+ int res = 0;
+ struct incfs_md_header *md_hdr = NULL;
+
+ if (!bfc || !handler)
+ return -EFAULT;
+
+ if (handler->md_record_offset == 0)
+ return -EPERM;
+
+ memset(&handler->md_buffer, 0, max_md_size);
+ bytes_read = incfs_kread(bfc, &handler->md_buffer, max_md_size,
+ handler->md_record_offset);
+ if (bytes_read < 0)
+ return bytes_read;
+ if (bytes_read < sizeof(*md_hdr))
+ return -EBADMSG;
+
+ md_hdr = &handler->md_buffer.md_header;
+ next_record = le64_to_cpu(md_hdr->h_next_md_offset);
+ md_record_size = le16_to_cpu(md_hdr->h_record_size);
+
+ if (md_record_size > max_md_size) {
+ pr_warn("incfs: The record is too large. Size: %zu",
+ md_record_size);
+ return -EBADMSG;
+ }
+
+ if (bytes_read < md_record_size) {
+ pr_warn("incfs: The record hasn't been fully read.");
+ return -EBADMSG;
+ }
+
+ if (next_record <= handler->md_record_offset && next_record != 0) {
+ pr_warn("incfs: Next record (%lld) points back in file.",
+ next_record);
+ return -EBADMSG;
+ }
+
+ switch (md_hdr->h_md_entry_type) {
+ case INCFS_MD_NONE:
+ break;
+ case INCFS_MD_BLOCK_MAP:
+ if (handler->handle_blockmap)
+ res = handler->handle_blockmap(
+ &handler->md_buffer.blockmap, handler);
+ break;
+ case INCFS_MD_FILE_ATTR:
+ /*
+ * File attrs no longer supported, ignore section for
+ * compatibility
+ */
+ break;
+ case INCFS_MD_SIGNATURE:
+ if (handler->handle_signature)
+ res = handler->handle_signature(
+ &handler->md_buffer.signature, handler);
+ break;
+ case INCFS_MD_STATUS:
+ if (handler->handle_status)
+ res = handler->handle_status(
+ &handler->md_buffer.status, handler);
+ break;
+ case INCFS_MD_VERITY_SIGNATURE:
+ if (handler->handle_verity_signature)
+ res = handler->handle_verity_signature(
+ &handler->md_buffer.verity_signature, handler);
+ break;
+ default:
+ res = -ENOTSUPP;
+ break;
+ }
+
+ if (!res) {
+ if (next_record == 0) {
+ /*
+ * Zero offset for the next record means that the last
+ * metadata record has just been processed.
+ */
+ bfc->bc_last_md_record_offset =
+ handler->md_record_offset;
+ }
+ handler->md_prev_record_offset = handler->md_record_offset;
+ handler->md_record_offset = next_record;
+ }
+ return res;
+}
+
+ssize_t incfs_kread(struct backing_file_context *bfc, void *buf, size_t size,
+ loff_t pos)
+{
+ const struct cred *old_cred = override_creds(bfc->bc_cred);
+ int ret = kernel_read(bfc->bc_file, buf, size, &pos);
+
+ revert_creds(old_cred);
+ return ret;
+}
+
+ssize_t incfs_kwrite(struct backing_file_context *bfc, const void *buf,
+ size_t size, loff_t pos)
+{
+ const struct cred *old_cred = override_creds(bfc->bc_cred);
+ int ret = kernel_write(bfc->bc_file, buf, size, &pos);
+
+ revert_creds(old_cred);
+ return ret;
+}
diff --git a/fs/incfs/format.h b/fs/incfs/format.h
new file mode 100644
index 0000000..14e475b
--- /dev/null
+++ b/fs/incfs/format.h
@@ -0,0 +1,407 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2018 Google LLC
+ */
+
+/*
+ * Overview
+ * --------
+ * The backbone of the incremental-fs ondisk format is an append only linked
+ * list of metadata blocks. Each metadata block contains an offset of the next
+ * one. These blocks describe files and directories on the
+ * file system. They also represent actions of adding and removing file names
+ * (hard links).
+ *
+ * Every time incremental-fs instance is mounted, it reads through this list
+ * to recreate filesystem's state in memory. An offset of the first record in
+ * the metadata list is stored in the superblock at the beginning of the backing
+ * file.
+ *
+ * Most of the backing file is taken by data areas and blockmaps.
+ * Since data blocks can be compressed and have different sizes,
+ * single per-file data area can't be pre-allocated. That's why blockmaps are
+ * needed in order to find a location and size of each data block in
+ * the backing file. Each time a file is created, a corresponding block map is
+ * allocated to store future offsets of data blocks.
+ *
+ * Whenever a data block is given by data loader to incremental-fs:
+ * - A data area with the given block is appended to the end of
+ * the backing file.
+ * - A record in the blockmap for the given block index is updated to reflect
+ * its location, size, and compression algorithm.
+
+ * Metadata records
+ * ----------------
+ * incfs_blockmap - metadata record that specifies size and location
+ * of a blockmap area for a given file. This area
+ * contains an array of incfs_blockmap_entry-s.
+ * incfs_file_signature - metadata record that specifies where file signature
+ * and its hash tree can be found in the backing file.
+ *
+ * incfs_file_attr - metadata record that specifies where additional file
+ * attributes blob can be found.
+ *
+ * Metadata header
+ * ---------------
+ * incfs_md_header - header of a metadata record. It's always a part
+ * of other structures and served purpose of metadata
+ * bookkeeping.
+ *
+ * +-----------------------------------------------+ ^
+ * | incfs_md_header | |
+ * | 1. type of body(BLOCKMAP, FILE_ATTR..) | |
+ * | 2. size of the whole record header + body | |
+ * | 3. CRC the whole record header + body | |
+ * | 4. offset of the previous md record |]------+
+ * | 5. offset of the next md record (md link) |]---+
+ * +-----------------------------------------------+ |
+ * | Metadata record body with useful data | |
+ * +-----------------------------------------------+ |
+ * +--->
+ *
+ * Other ondisk structures
+ * -----------------------
+ * incfs_super_block - backing file header
+ * incfs_blockmap_entry - a record in a blockmap area that describes size
+ * and location of a data block.
+ * Data blocks dont have any particular structure, they are written to the
+ * backing file in a raw form as they come from a data loader.
+ *
+ * Backing file layout
+ * -------------------
+ *
+ *
+ * +-------------------------------------------+
+ * | incfs_file_header |]---+
+ * +-------------------------------------------+ |
+ * | metadata |<---+
+ * | incfs_file_signature |]---+
+ * +-------------------------------------------+ |
+ * ......................... |
+ * +-------------------------------------------+ | metadata
+ * +------->| blockmap area | | list links
+ * | | [incfs_blockmap_entry] | |
+ * | | [incfs_blockmap_entry] | |
+ * | | [incfs_blockmap_entry] | |
+ * | +--[| [incfs_blockmap_entry] | |
+ * | | | [incfs_blockmap_entry] | |
+ * | | | [incfs_blockmap_entry] | |
+ * | | +-------------------------------------------+ |
+ * | | ......................... |
+ * | | +-------------------------------------------+ |
+ * | | | metadata |<---+
+ * +----|--[| incfs_blockmap |]---+
+ * | +-------------------------------------------+ |
+ * | ......................... |
+ * | +-------------------------------------------+ |
+ * +-->| data block | |
+ * +-------------------------------------------+ |
+ * ......................... |
+ * +-------------------------------------------+ |
+ * | metadata |<---+
+ * | incfs_file_attr |
+ * +-------------------------------------------+
+ */
+#ifndef _INCFS_FORMAT_H
+#define _INCFS_FORMAT_H
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <uapi/linux/incrementalfs.h>
+
+#include "internal.h"
+
+#define INCFS_MAX_NAME_LEN 255
+#define INCFS_FORMAT_V1 1
+#define INCFS_FORMAT_CURRENT_VER INCFS_FORMAT_V1
+
+enum incfs_metadata_type {
+ INCFS_MD_NONE = 0,
+ INCFS_MD_BLOCK_MAP = 1,
+ INCFS_MD_FILE_ATTR = 2,
+ INCFS_MD_SIGNATURE = 3,
+ INCFS_MD_STATUS = 4,
+ INCFS_MD_VERITY_SIGNATURE = 5,
+};
+
+enum incfs_file_header_flags {
+ INCFS_FILE_MAPPED = 1 << 1,
+};
+
+/* Header included at the beginning of all metadata records on the disk. */
+struct incfs_md_header {
+ __u8 h_md_entry_type;
+
+ /*
+ * Size of the metadata record.
+ * (e.g. inode, dir entry etc) not just this struct.
+ */
+ __le16 h_record_size;
+
+ /*
+ * Was: CRC32 of the metadata record.
+ * (e.g. inode, dir entry etc) not just this struct.
+ */
+ __le32 h_unused1;
+
+ /* Offset of the next metadata entry if any */
+ __le64 h_next_md_offset;
+
+ /* Was: Offset of the previous metadata entry if any */
+ __le64 h_unused2;
+
+} __packed;
+
+/* Backing file header */
+struct incfs_file_header {
+ /* Magic number: INCFS_MAGIC_NUMBER */
+ __le64 fh_magic;
+
+ /* Format version: INCFS_FORMAT_CURRENT_VER */
+ __le64 fh_version;
+
+ /* sizeof(incfs_file_header) */
+ __le16 fh_header_size;
+
+ /* INCFS_DATA_FILE_BLOCK_SIZE */
+ __le16 fh_data_block_size;
+
+ /* File flags, from incfs_file_header_flags */
+ __le32 fh_flags;
+
+ union {
+ /* Standard incfs file */
+ struct {
+ /* Offset of the first metadata record */
+ __le64 fh_first_md_offset;
+
+ /* Full size of the file's content */
+ __le64 fh_file_size;
+
+ /* File uuid */
+ incfs_uuid_t fh_uuid;
+ };
+
+ /* Mapped file - INCFS_FILE_MAPPED set in fh_flags */
+ struct {
+ /* Offset in original file */
+ __le64 fh_original_offset;
+
+ /* Full size of the file's content */
+ __le64 fh_mapped_file_size;
+
+ /* Original file's uuid */
+ incfs_uuid_t fh_original_uuid;
+ };
+ };
+} __packed;
+
+enum incfs_block_map_entry_flags {
+ INCFS_BLOCK_COMPRESSED_LZ4 = 1,
+ INCFS_BLOCK_COMPRESSED_ZSTD = 2,
+
+ /* Reserve 3 bits for compression alg */
+ INCFS_BLOCK_COMPRESSED_MASK = 7,
+};
+
+/* Block map entry pointing to an actual location of the data block. */
+struct incfs_blockmap_entry {
+ /* Offset of the actual data block. Lower 32 bits */
+ __le32 me_data_offset_lo;
+
+ /* Offset of the actual data block. Higher 16 bits */
+ __le16 me_data_offset_hi;
+
+ /* How many bytes the data actually occupies in the backing file */
+ __le16 me_data_size;
+
+ /* Block flags from incfs_block_map_entry_flags */
+ __le16 me_flags;
+} __packed;
+
+/* Metadata record for locations of file blocks. Type = INCFS_MD_BLOCK_MAP */
+struct incfs_blockmap {
+ struct incfs_md_header m_header;
+
+ /* Base offset of the array of incfs_blockmap_entry */
+ __le64 m_base_offset;
+
+ /* Size of the map entry array in blocks */
+ __le32 m_block_count;
+} __packed;
+
+/*
+ * Metadata record for file signature. Type = INCFS_MD_SIGNATURE
+ *
+ * The signature stored here is the APK V4 signature data blob. See the
+ * definition of incfs_new_file_args::signature_info for an explanation of this
+ * blob. Specifically, it contains the root hash, but it does *not* contain
+ * anything that the kernel treats as a signature.
+ *
+ * When FS_IOC_ENABLE_VERITY is called on a file without this record, an APK V4
+ * signature blob and a hash tree are added to the file, and then this metadata
+ * record is created to record their locations.
+ */
+struct incfs_file_signature {
+ struct incfs_md_header sg_header;
+
+ __le32 sg_sig_size; /* The size of the signature. */
+
+ __le64 sg_sig_offset; /* Signature's offset in the backing file */
+
+ __le32 sg_hash_tree_size; /* The size of the hash tree. */
+
+ __le64 sg_hash_tree_offset; /* Hash tree offset in the backing file */
+} __packed;
+
+/* In memory version of above */
+struct incfs_df_signature {
+ u32 sig_size;
+ u64 sig_offset;
+ u32 hash_size;
+ u64 hash_offset;
+};
+
+struct incfs_status {
+ struct incfs_md_header is_header;
+
+ __le32 is_data_blocks_written; /* Number of data blocks written */
+
+ __le32 is_hash_blocks_written; /* Number of hash blocks written */
+
+ __le32 is_dummy[6]; /* Spare fields */
+} __packed;
+
+/*
+ * Metadata record for verity signature. Type = INCFS_MD_VERITY_SIGNATURE
+ *
+ * This record will only exist for verity-enabled files with signatures. Verity
+ * enabled files without signatures do not have this record. This signature is
+ * checked by fs-verity identically to any other fs-verity signature.
+ */
+struct incfs_file_verity_signature {
+ struct incfs_md_header vs_header;
+
+ /* The size of the signature */
+ __le32 vs_size;
+
+ /* Signature's offset in the backing file */
+ __le64 vs_offset;
+} __packed;
+
+/* In memory version of above */
+struct incfs_df_verity_signature {
+ u32 size;
+ u64 offset;
+};
+
+/* State of the backing file. */
+struct backing_file_context {
+ /* Protects writes to bc_file */
+ struct mutex bc_mutex;
+
+ /* File object to read data from */
+ struct file *bc_file;
+
+ /*
+ * Offset of the last known metadata record in the backing file.
+ * 0 means there are no metadata records.
+ */
+ loff_t bc_last_md_record_offset;
+
+ /*
+ * Credentials to set before reads/writes
+ * Note that this is a pointer to the mount_info mi_owner field so
+ * there is no need to get/put the creds
+ */
+ const struct cred *bc_cred;
+};
+
+struct metadata_handler {
+ loff_t md_record_offset;
+ loff_t md_prev_record_offset;
+ void *context;
+
+ union {
+ struct incfs_md_header md_header;
+ struct incfs_blockmap blockmap;
+ struct incfs_file_signature signature;
+ struct incfs_status status;
+ struct incfs_file_verity_signature verity_signature;
+ } md_buffer;
+
+ int (*handle_blockmap)(struct incfs_blockmap *bm,
+ struct metadata_handler *handler);
+ int (*handle_signature)(struct incfs_file_signature *sig,
+ struct metadata_handler *handler);
+ int (*handle_status)(struct incfs_status *sig,
+ struct metadata_handler *handler);
+ int (*handle_verity_signature)(struct incfs_file_verity_signature *s,
+ struct metadata_handler *handler);
+};
+#define INCFS_MAX_METADATA_RECORD_SIZE \
+ sizeof_field(struct metadata_handler, md_buffer)
+
+/* Backing file context management */
+struct mount_info;
+struct backing_file_context *incfs_alloc_bfc(struct mount_info *mi,
+ struct file *backing_file);
+
+void incfs_free_bfc(struct backing_file_context *bfc);
+
+/* Writing stuff */
+int incfs_write_blockmap_to_backing_file(struct backing_file_context *bfc,
+ u32 block_count);
+
+int incfs_write_fh_to_backing_file(struct backing_file_context *bfc,
+ incfs_uuid_t *uuid, u64 file_size);
+
+int incfs_write_mapping_fh_to_backing_file(struct backing_file_context *bfc,
+ incfs_uuid_t *uuid, u64 file_size, u64 offset);
+
+int incfs_write_data_block_to_backing_file(struct backing_file_context *bfc,
+ struct mem_range block,
+ int block_index, loff_t bm_base_off,
+ u16 flags);
+
+int incfs_write_hash_block_to_backing_file(struct backing_file_context *bfc,
+ struct mem_range block,
+ int block_index,
+ loff_t hash_area_off,
+ loff_t bm_base_off,
+ loff_t file_size);
+
+int incfs_write_signature_to_backing_file(struct backing_file_context *bfc,
+ struct mem_range sig, u32 tree_size,
+ loff_t *tree_offset, loff_t *sig_offset);
+
+int incfs_write_status_to_backing_file(struct backing_file_context *bfc,
+ loff_t status_offset,
+ u32 data_blocks_written,
+ u32 hash_blocks_written);
+int incfs_write_verity_signature_to_backing_file(
+ struct backing_file_context *bfc, struct mem_range signature,
+ loff_t *offset);
+
+/* Reading stuff */
+int incfs_read_file_header(struct backing_file_context *bfc,
+ loff_t *first_md_off, incfs_uuid_t *uuid,
+ u64 *file_size, u32 *flags);
+
+int incfs_read_blockmap_entry(struct backing_file_context *bfc, int block_index,
+ loff_t bm_base_off,
+ struct incfs_blockmap_entry *bm_entry);
+
+int incfs_read_blockmap_entries(struct backing_file_context *bfc,
+ struct incfs_blockmap_entry *entries,
+ int start_index, int blocks_number,
+ loff_t bm_base_off);
+
+int incfs_read_next_metadata_record(struct backing_file_context *bfc,
+ struct metadata_handler *handler);
+
+ssize_t incfs_kread(struct backing_file_context *bfc, void *buf, size_t size,
+ loff_t pos);
+ssize_t incfs_kwrite(struct backing_file_context *bfc, const void *buf,
+ size_t size, loff_t pos);
+
+#endif /* _INCFS_FORMAT_H */
diff --git a/fs/incfs/integrity.c b/fs/incfs/integrity.c
new file mode 100644
index 0000000..bce319e
--- /dev/null
+++ b/fs/incfs/integrity.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+#include <crypto/sha.h>
+#include <crypto/hash.h>
+#include <linux/err.h>
+#include <linux/version.h>
+
+#include "integrity.h"
+
+struct incfs_hash_alg *incfs_get_hash_alg(enum incfs_hash_tree_algorithm id)
+{
+ static struct incfs_hash_alg sha256 = {
+ .name = "sha256",
+ .digest_size = SHA256_DIGEST_SIZE,
+ .id = INCFS_HASH_TREE_SHA256
+ };
+ struct incfs_hash_alg *result = NULL;
+ struct crypto_shash *shash;
+
+ if (id == INCFS_HASH_TREE_SHA256) {
+ BUILD_BUG_ON(INCFS_MAX_HASH_SIZE < SHA256_DIGEST_SIZE);
+ result = &sha256;
+ }
+
+ if (result == NULL)
+ return ERR_PTR(-ENOENT);
+
+ /* pairs with cmpxchg_release() below */
+ shash = smp_load_acquire(&result->shash);
+ if (shash)
+ return result;
+
+ shash = crypto_alloc_shash(result->name, 0, 0);
+ if (IS_ERR(shash)) {
+ int err = PTR_ERR(shash);
+
+ pr_err("Can't allocate hash alg %s, error code:%d",
+ result->name, err);
+ return ERR_PTR(err);
+ }
+
+ /* pairs with smp_load_acquire() above */
+ if (cmpxchg_release(&result->shash, NULL, shash) != NULL)
+ crypto_free_shash(shash);
+
+ return result;
+}
+
+struct signature_info {
+ u32 version;
+ enum incfs_hash_tree_algorithm hash_algorithm;
+ u8 log2_blocksize;
+ struct mem_range salt;
+ struct mem_range root_hash;
+};
+
+static bool read_u32(u8 **p, u8 *top, u32 *result)
+{
+ if (*p + sizeof(u32) > top)
+ return false;
+
+ *result = le32_to_cpu(*(__le32 *)*p);
+ *p += sizeof(u32);
+ return true;
+}
+
+static bool read_u8(u8 **p, u8 *top, u8 *result)
+{
+ if (*p + sizeof(u8) > top)
+ return false;
+
+ *result = *(u8 *)*p;
+ *p += sizeof(u8);
+ return true;
+}
+
+static bool read_mem_range(u8 **p, u8 *top, struct mem_range *range)
+{
+ u32 len;
+
+ if (!read_u32(p, top, &len) || *p + len > top)
+ return false;
+
+ range->len = len;
+ range->data = *p;
+ *p += len;
+ return true;
+}
+
+static int incfs_parse_signature(struct mem_range signature,
+ struct signature_info *si)
+{
+ u8 *p = signature.data;
+ u8 *top = signature.data + signature.len;
+ u32 hash_section_size;
+
+ if (signature.len > INCFS_MAX_SIGNATURE_SIZE)
+ return -EINVAL;
+
+ if (!read_u32(&p, top, &si->version) ||
+ si->version != INCFS_SIGNATURE_VERSION)
+ return -EINVAL;
+
+ if (!read_u32(&p, top, &hash_section_size) ||
+ p + hash_section_size > top)
+ return -EINVAL;
+ top = p + hash_section_size;
+
+ if (!read_u32(&p, top, &si->hash_algorithm) ||
+ si->hash_algorithm != INCFS_HASH_TREE_SHA256)
+ return -EINVAL;
+
+ if (!read_u8(&p, top, &si->log2_blocksize) || si->log2_blocksize != 12)
+ return -EINVAL;
+
+ if (!read_mem_range(&p, top, &si->salt))
+ return -EINVAL;
+
+ if (!read_mem_range(&p, top, &si->root_hash))
+ return -EINVAL;
+
+ if (p != top)
+ return -EINVAL;
+
+ return 0;
+}
+
+struct mtree *incfs_alloc_mtree(struct mem_range signature,
+ int data_block_count)
+{
+ int error;
+ struct signature_info si;
+ struct mtree *result = NULL;
+ struct incfs_hash_alg *hash_alg = NULL;
+ int hash_per_block;
+ int lvl;
+ int total_blocks = 0;
+ int blocks_in_level[INCFS_MAX_MTREE_LEVELS];
+ int blocks = data_block_count;
+
+ if (data_block_count <= 0)
+ return ERR_PTR(-EINVAL);
+
+ error = incfs_parse_signature(signature, &si);
+ if (error)
+ return ERR_PTR(error);
+
+ hash_alg = incfs_get_hash_alg(si.hash_algorithm);
+ if (IS_ERR(hash_alg))
+ return ERR_PTR(PTR_ERR(hash_alg));
+
+ if (si.root_hash.len < hash_alg->digest_size)
+ return ERR_PTR(-EINVAL);
+
+ result = kzalloc(sizeof(*result), GFP_NOFS);
+ if (!result)
+ return ERR_PTR(-ENOMEM);
+
+ result->alg = hash_alg;
+ hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / result->alg->digest_size;
+
+ /* Calculating tree geometry. */
+ /* First pass: calculate how many blocks in each tree level. */
+ for (lvl = 0; blocks > 1; lvl++) {
+ if (lvl >= INCFS_MAX_MTREE_LEVELS) {
+ pr_err("incfs: too much data in mtree");
+ goto err;
+ }
+
+ blocks = (blocks + hash_per_block - 1) / hash_per_block;
+ blocks_in_level[lvl] = blocks;
+ total_blocks += blocks;
+ }
+ result->depth = lvl;
+ result->hash_tree_area_size = total_blocks * INCFS_DATA_FILE_BLOCK_SIZE;
+ if (result->hash_tree_area_size > INCFS_MAX_HASH_AREA_SIZE)
+ goto err;
+
+ blocks = 0;
+ /* Second pass: calculate offset of each level. 0th level goes last. */
+ for (lvl = 0; lvl < result->depth; lvl++) {
+ u32 suboffset;
+
+ blocks += blocks_in_level[lvl];
+ suboffset = (total_blocks - blocks)
+ * INCFS_DATA_FILE_BLOCK_SIZE;
+
+ result->hash_level_suboffset[lvl] = suboffset;
+ }
+
+ /* Root hash is stored separately from the rest of the tree. */
+ memcpy(result->root_hash, si.root_hash.data, hash_alg->digest_size);
+ return result;
+
+err:
+ kfree(result);
+ return ERR_PTR(-E2BIG);
+}
+
+void incfs_free_mtree(struct mtree *tree)
+{
+ kfree(tree);
+}
+
+int incfs_calc_digest(struct incfs_hash_alg *alg, struct mem_range data,
+ struct mem_range digest)
+{
+ SHASH_DESC_ON_STACK(desc, alg->shash);
+
+ if (!alg || !alg->shash || !data.data || !digest.data)
+ return -EFAULT;
+
+ if (alg->digest_size > digest.len)
+ return -EINVAL;
+
+ desc->tfm = alg->shash;
+
+ if (data.len < INCFS_DATA_FILE_BLOCK_SIZE) {
+ int err;
+ void *buf = kzalloc(INCFS_DATA_FILE_BLOCK_SIZE, GFP_NOFS);
+
+ if (!buf)
+ return -ENOMEM;
+
+ memcpy(buf, data.data, data.len);
+ err = crypto_shash_digest(desc, buf, INCFS_DATA_FILE_BLOCK_SIZE,
+ digest.data);
+ kfree(buf);
+ return err;
+ }
+ return crypto_shash_digest(desc, data.data, data.len, digest.data);
+}
+
diff --git a/fs/incfs/integrity.h b/fs/incfs/integrity.h
new file mode 100644
index 0000000..cf79b64
--- /dev/null
+++ b/fs/incfs/integrity.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+#ifndef _INCFS_INTEGRITY_H
+#define _INCFS_INTEGRITY_H
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <crypto/hash.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "internal.h"
+
+#define INCFS_MAX_MTREE_LEVELS 8
+#define INCFS_MAX_HASH_AREA_SIZE (1280 * 1024 * 1024)
+
+struct incfs_hash_alg {
+ const char *name;
+ int digest_size;
+ enum incfs_hash_tree_algorithm id;
+
+ struct crypto_shash *shash;
+};
+
+/* Merkle tree structure. */
+struct mtree {
+ struct incfs_hash_alg *alg;
+
+ u8 root_hash[INCFS_MAX_HASH_SIZE];
+
+ /* Offset of each hash level in the hash area. */
+ u32 hash_level_suboffset[INCFS_MAX_MTREE_LEVELS];
+
+ u32 hash_tree_area_size;
+
+ /* Number of levels in hash_level_suboffset */
+ int depth;
+};
+
+struct incfs_hash_alg *incfs_get_hash_alg(enum incfs_hash_tree_algorithm id);
+
+struct mtree *incfs_alloc_mtree(struct mem_range signature,
+ int data_block_count);
+
+void incfs_free_mtree(struct mtree *tree);
+
+size_t incfs_get_mtree_depth(enum incfs_hash_tree_algorithm alg, loff_t size);
+
+size_t incfs_get_mtree_hash_count(enum incfs_hash_tree_algorithm alg,
+ loff_t size);
+
+int incfs_calc_digest(struct incfs_hash_alg *alg, struct mem_range data,
+ struct mem_range digest);
+
+#endif /* _INCFS_INTEGRITY_H */
diff --git a/fs/incfs/internal.h b/fs/incfs/internal.h
new file mode 100644
index 0000000..c2df8bf
--- /dev/null
+++ b/fs/incfs/internal.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2018 Google LLC
+ */
+#ifndef _INCFS_INTERNAL_H
+#define _INCFS_INTERNAL_H
+#include <linux/types.h>
+
+struct mem_range {
+ u8 *data;
+ size_t len;
+};
+
+static inline struct mem_range range(u8 *data, size_t len)
+{
+ return (struct mem_range){ .data = data, .len = len };
+}
+
+#define LOCK_REQUIRED(lock) WARN_ON_ONCE(!mutex_is_locked(&lock))
+
+#define EFSCORRUPTED EUCLEAN
+
+#endif /* _INCFS_INTERNAL_H */
diff --git a/fs/incfs/main.c b/fs/incfs/main.c
new file mode 100644
index 0000000..23347ac
--- /dev/null
+++ b/fs/incfs/main.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "sysfs.h"
+#include "vfs.h"
+
+static struct file_system_type incfs_fs_type = {
+ .owner = THIS_MODULE,
+ .name = INCFS_NAME,
+ .mount = incfs_mount_fs,
+ .kill_sb = incfs_kill_sb,
+ .fs_flags = 0
+};
+
+static int __init init_incfs_module(void)
+{
+ int err = 0;
+
+ err = incfs_init_sysfs();
+ if (err)
+ return err;
+
+ err = register_filesystem(&incfs_fs_type);
+ if (err)
+ incfs_cleanup_sysfs();
+
+ return err;
+}
+
+static void __exit cleanup_incfs_module(void)
+{
+ incfs_cleanup_sysfs();
+ unregister_filesystem(&incfs_fs_type);
+}
+
+module_init(init_incfs_module);
+module_exit(cleanup_incfs_module);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Eugene Zemtsov <ezemtsov@google.com>");
+MODULE_DESCRIPTION("Incremental File System");
diff --git a/fs/incfs/pseudo_files.c b/fs/incfs/pseudo_files.c
new file mode 100644
index 0000000..1a664f1
--- /dev/null
+++ b/fs/incfs/pseudo_files.c
@@ -0,0 +1,1387 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/fsnotify.h>
+#include <linux/namei.h>
+#include <linux/poll.h>
+#include <linux/syscalls.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "pseudo_files.h"
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "integrity.h"
+#include "vfs.h"
+
+#define READ_WRITE_FILE_MODE 0666
+
+static bool is_pseudo_filename(struct mem_range name);
+
+/*******************************************************************************
+ * .pending_reads pseudo file definition
+ ******************************************************************************/
+#define INCFS_PENDING_READS_INODE 2
+static const char pending_reads_file_name[] = INCFS_PENDING_READS_FILENAME;
+
+/* State of an open .pending_reads file, unique for each file descriptor. */
+struct pending_reads_state {
+ /* A serial number of the last pending read obtained from this file. */
+ int last_pending_read_sn;
+};
+
+static ssize_t pending_reads_read(struct file *f, char __user *buf, size_t len,
+ loff_t *ppos)
+{
+ struct pending_reads_state *pr_state = f->private_data;
+ struct mount_info *mi = get_mount_info(file_superblock(f));
+ bool report_uid;
+ unsigned long page = 0;
+ struct incfs_pending_read_info *reads_buf = NULL;
+ struct incfs_pending_read_info2 *reads_buf2 = NULL;
+ size_t record_size;
+ size_t reads_to_collect;
+ int last_known_read_sn = READ_ONCE(pr_state->last_pending_read_sn);
+ int new_max_sn = last_known_read_sn;
+ int reads_collected = 0;
+ ssize_t result = 0;
+
+ if (!mi)
+ return -EFAULT;
+
+ report_uid = mi->mi_options.report_uid;
+ record_size = report_uid ? sizeof(*reads_buf2) : sizeof(*reads_buf);
+ reads_to_collect = len / record_size;
+
+ if (!incfs_fresh_pending_reads_exist(mi, last_known_read_sn))
+ return 0;
+
+ page = get_zeroed_page(GFP_NOFS);
+ if (!page)
+ return -ENOMEM;
+
+ if (report_uid)
+ reads_buf2 = (struct incfs_pending_read_info2 *) page;
+ else
+ reads_buf = (struct incfs_pending_read_info *) page;
+
+ reads_to_collect =
+ min_t(size_t, PAGE_SIZE / record_size, reads_to_collect);
+
+ reads_collected = incfs_collect_pending_reads(mi, last_known_read_sn,
+ reads_buf, reads_buf2, reads_to_collect,
+ &new_max_sn);
+
+ if (reads_collected < 0) {
+ result = reads_collected;
+ goto out;
+ }
+
+ /*
+ * Just to make sure that we don't accidentally copy more data
+ * to reads buffer than userspace can handle.
+ */
+ reads_collected = min_t(size_t, reads_collected, reads_to_collect);
+ result = reads_collected * record_size;
+
+ /* Copy reads info to the userspace buffer */
+ if (copy_to_user(buf, (void *)page, result)) {
+ result = -EFAULT;
+ goto out;
+ }
+
+ WRITE_ONCE(pr_state->last_pending_read_sn, new_max_sn);
+ *ppos = 0;
+
+out:
+ free_page(page);
+ return result;
+}
+
+static __poll_t pending_reads_poll(struct file *file, poll_table *wait)
+{
+ struct pending_reads_state *state = file->private_data;
+ struct mount_info *mi = get_mount_info(file_superblock(file));
+ __poll_t ret = 0;
+
+ poll_wait(file, &mi->mi_pending_reads_notif_wq, wait);
+ if (incfs_fresh_pending_reads_exist(mi,
+ state->last_pending_read_sn))
+ ret = EPOLLIN | EPOLLRDNORM;
+
+ return ret;
+}
+
+static int pending_reads_open(struct inode *inode, struct file *file)
+{
+ struct pending_reads_state *state = NULL;
+
+ state = kzalloc(sizeof(*state), GFP_NOFS);
+ if (!state)
+ return -ENOMEM;
+
+ file->private_data = state;
+ return 0;
+}
+
+static int pending_reads_release(struct inode *inode, struct file *file)
+{
+ kfree(file->private_data);
+ return 0;
+}
+
+static long ioctl_permit_fill(struct file *f, void __user *arg)
+{
+ struct incfs_permit_fill __user *usr_permit_fill = arg;
+ struct incfs_permit_fill permit_fill;
+ long error = 0;
+ struct file *file = NULL;
+ struct incfs_file_data *fd;
+
+ if (copy_from_user(&permit_fill, usr_permit_fill, sizeof(permit_fill)))
+ return -EFAULT;
+
+ file = fget(permit_fill.file_descriptor);
+ if (IS_ERR(file))
+ return PTR_ERR(file);
+
+ if (file->f_op != &incfs_file_ops) {
+ error = -EPERM;
+ goto out;
+ }
+
+ if (file->f_inode->i_sb != f->f_inode->i_sb) {
+ error = -EPERM;
+ goto out;
+ }
+
+ fd = file->private_data;
+
+ switch (fd->fd_fill_permission) {
+ case CANT_FILL:
+ fd->fd_fill_permission = CAN_FILL;
+ break;
+
+ case CAN_FILL:
+ pr_debug("CAN_FILL already set");
+ break;
+
+ default:
+ pr_warn("Invalid file private data");
+ error = -EFAULT;
+ goto out;
+ }
+
+out:
+ fput(file);
+ return error;
+}
+
+static int chmod(struct dentry *dentry, umode_t mode)
+{
+ struct inode *inode = dentry->d_inode;
+ struct inode *delegated_inode = NULL;
+ struct iattr newattrs;
+ int error;
+
+retry_deleg:
+ inode_lock(inode);
+ newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
+ newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
+ error = notify_change(dentry, &newattrs, &delegated_inode);
+ inode_unlock(inode);
+ if (delegated_inode) {
+ error = break_deleg_wait(&delegated_inode);
+ if (!error)
+ goto retry_deleg;
+ }
+ return error;
+}
+
+static bool incfs_equal_ranges(struct mem_range lhs, struct mem_range rhs)
+{
+ if (lhs.len != rhs.len)
+ return false;
+ return memcmp(lhs.data, rhs.data, lhs.len) == 0;
+}
+
+static int validate_name(char *file_name)
+{
+ struct mem_range name = range(file_name, strlen(file_name));
+ int i = 0;
+
+ if (name.len > INCFS_MAX_NAME_LEN)
+ return -ENAMETOOLONG;
+
+ if (is_pseudo_filename(name))
+ return -EINVAL;
+
+ for (i = 0; i < name.len; i++)
+ if (name.data[i] == '/')
+ return -EINVAL;
+
+ return 0;
+}
+
+static int dir_relative_path_resolve(
+ struct mount_info *mi,
+ const char __user *relative_path,
+ struct path *result_path,
+ struct path *base_path)
+{
+ int dir_fd = get_unused_fd_flags(0);
+ struct file *dir_f = NULL;
+ int error = 0;
+
+ if (!base_path)
+ base_path = &mi->mi_backing_dir_path;
+
+ if (dir_fd < 0)
+ return dir_fd;
+
+ dir_f = dentry_open(base_path, O_RDONLY | O_NOATIME, current_cred());
+
+ if (IS_ERR(dir_f)) {
+ error = PTR_ERR(dir_f);
+ goto out;
+ }
+ fd_install(dir_fd, dir_f);
+
+ if (!relative_path) {
+ /* No relative path given, just return the base dir. */
+ *result_path = *base_path;
+ path_get(result_path);
+ goto out;
+ }
+
+ error = user_path_at_empty(dir_fd, relative_path,
+ LOOKUP_FOLLOW | LOOKUP_DIRECTORY, result_path, NULL);
+
+out:
+ ksys_close(dir_fd);
+ if (error)
+ pr_debug("Error: %d\n", error);
+ return error;
+}
+
+static struct mem_range incfs_copy_signature_info_from_user(u8 __user *original,
+ u64 size)
+{
+ u8 *result;
+
+ if (!original)
+ return range(NULL, 0);
+
+ if (size > INCFS_MAX_SIGNATURE_SIZE)
+ return range(ERR_PTR(-EFAULT), 0);
+
+ result = kzalloc(size, GFP_NOFS | __GFP_COMP);
+ if (!result)
+ return range(ERR_PTR(-ENOMEM), 0);
+
+ if (copy_from_user(result, original, size)) {
+ kfree(result);
+ return range(ERR_PTR(-EFAULT), 0);
+ }
+
+ return range(result, size);
+}
+
+static int init_new_file(struct mount_info *mi, struct dentry *dentry,
+ incfs_uuid_t *uuid, u64 size, struct mem_range attr,
+ u8 __user *user_signature_info, u64 signature_size)
+{
+ struct path path = {};
+ struct file *new_file;
+ int error = 0;
+ struct backing_file_context *bfc = NULL;
+ u32 block_count;
+ struct mem_range raw_signature = { NULL };
+ struct mtree *hash_tree = NULL;
+
+ if (!mi || !dentry || !uuid)
+ return -EFAULT;
+
+ /* Resize newly created file to its true size. */
+ path = (struct path) {
+ .mnt = mi->mi_backing_dir_path.mnt,
+ .dentry = dentry
+ };
+
+ new_file = dentry_open(&path, O_RDWR | O_NOATIME | O_LARGEFILE,
+ current_cred());
+
+ if (IS_ERR(new_file)) {
+ error = PTR_ERR(new_file);
+ goto out;
+ }
+
+ bfc = incfs_alloc_bfc(mi, new_file);
+ fput(new_file);
+ if (IS_ERR(bfc)) {
+ error = PTR_ERR(bfc);
+ bfc = NULL;
+ goto out;
+ }
+
+ mutex_lock(&bfc->bc_mutex);
+ error = incfs_write_fh_to_backing_file(bfc, uuid, size);
+ if (error)
+ goto out;
+
+ block_count = (u32)get_blocks_count_for_size(size);
+
+ if (user_signature_info) {
+ raw_signature = incfs_copy_signature_info_from_user(
+ user_signature_info, signature_size);
+
+ if (IS_ERR(raw_signature.data)) {
+ error = PTR_ERR(raw_signature.data);
+ raw_signature.data = NULL;
+ goto out;
+ }
+
+ hash_tree = incfs_alloc_mtree(raw_signature, block_count);
+ if (IS_ERR(hash_tree)) {
+ error = PTR_ERR(hash_tree);
+ hash_tree = NULL;
+ goto out;
+ }
+
+ error = incfs_write_signature_to_backing_file(bfc,
+ raw_signature, hash_tree->hash_tree_area_size,
+ NULL, NULL);
+ if (error)
+ goto out;
+
+ block_count += get_blocks_count_for_size(
+ hash_tree->hash_tree_area_size);
+ }
+
+ if (block_count)
+ error = incfs_write_blockmap_to_backing_file(bfc, block_count);
+
+ if (error)
+ goto out;
+
+out:
+ if (bfc) {
+ mutex_unlock(&bfc->bc_mutex);
+ incfs_free_bfc(bfc);
+ }
+ incfs_free_mtree(hash_tree);
+ kfree(raw_signature.data);
+
+ if (error)
+ pr_debug("incfs: %s error: %d\n", __func__, error);
+ return error;
+}
+
+static void notify_create(struct file *pending_reads_file,
+ const char __user *dir_name, const char *file_name,
+ const char *file_id_str, bool incomplete_file)
+{
+ struct mount_info *mi =
+ get_mount_info(file_superblock(pending_reads_file));
+ struct path base_path = {
+ .mnt = pending_reads_file->f_path.mnt,
+ .dentry = pending_reads_file->f_path.dentry->d_parent,
+ };
+ struct path dir_path = {};
+ struct dentry *file = NULL;
+ struct dentry *dir = NULL;
+ int error;
+
+ error = dir_relative_path_resolve(mi, dir_name, &dir_path, &base_path);
+ if (error)
+ goto out;
+
+ file = incfs_lookup_dentry(dir_path.dentry, file_name);
+ if (IS_ERR(file)) {
+ error = PTR_ERR(file);
+ file = NULL;
+ goto out;
+ }
+
+ fsnotify_create(d_inode(dir_path.dentry), file);
+
+ if (file_id_str) {
+ dir = incfs_lookup_dentry(base_path.dentry, INCFS_INDEX_NAME);
+ if (IS_ERR(dir)) {
+ error = PTR_ERR(dir);
+ dir = NULL;
+ goto out;
+ }
+
+ dput(file);
+ file = incfs_lookup_dentry(dir, file_id_str);
+ if (IS_ERR(file)) {
+ error = PTR_ERR(file);
+ file = NULL;
+ goto out;
+ }
+
+ fsnotify_create(d_inode(dir), file);
+
+ if (incomplete_file) {
+ dput(dir);
+ dir = incfs_lookup_dentry(base_path.dentry,
+ INCFS_INCOMPLETE_NAME);
+ if (IS_ERR(dir)) {
+ error = PTR_ERR(dir);
+ dir = NULL;
+ goto out;
+ }
+
+ dput(file);
+ file = incfs_lookup_dentry(dir, file_id_str);
+ if (IS_ERR(file)) {
+ error = PTR_ERR(file);
+ file = NULL;
+ goto out;
+ }
+
+ fsnotify_create(d_inode(dir), file);
+ }
+ }
+out:
+ if (error)
+ pr_warn("%s failed with error %d\n", __func__, error);
+
+ dput(dir);
+ dput(file);
+ path_put(&dir_path);
+}
+
+static long ioctl_create_file(struct file *file,
+ struct incfs_new_file_args __user *usr_args)
+{
+ struct mount_info *mi = get_mount_info(file_superblock(file));
+ struct incfs_new_file_args args;
+ char *file_id_str = NULL;
+ struct dentry *index_file_dentry = NULL;
+ struct dentry *named_file_dentry = NULL;
+ struct dentry *incomplete_file_dentry = NULL;
+ struct path parent_dir_path = {};
+ struct inode *index_dir_inode = NULL;
+ __le64 size_attr_value = 0;
+ char *file_name = NULL;
+ char *attr_value = NULL;
+ int error = 0;
+ bool locked = false;
+ bool index_linked = false;
+ bool name_linked = false;
+ bool incomplete_linked = false;
+
+ if (!mi || !mi->mi_index_dir || !mi->mi_incomplete_dir) {
+ error = -EFAULT;
+ goto out;
+ }
+
+ if (copy_from_user(&args, usr_args, sizeof(args)) > 0) {
+ error = -EFAULT;
+ goto out;
+ }
+
+ file_name = strndup_user(u64_to_user_ptr(args.file_name), PATH_MAX);
+ if (IS_ERR(file_name)) {
+ error = PTR_ERR(file_name);
+ file_name = NULL;
+ goto out;
+ }
+
+ error = validate_name(file_name);
+ if (error)
+ goto out;
+
+ file_id_str = file_id_to_str(args.file_id);
+ if (!file_id_str) {
+ error = -ENOMEM;
+ goto out;
+ }
+
+ error = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+ if (error)
+ goto out;
+ locked = true;
+
+ /* Find a directory to put the file into. */
+ error = dir_relative_path_resolve(mi,
+ u64_to_user_ptr(args.directory_path),
+ &parent_dir_path, NULL);
+ if (error)
+ goto out;
+
+ if (parent_dir_path.dentry == mi->mi_index_dir) {
+ /* Can't create a file directly inside .index */
+ error = -EBUSY;
+ goto out;
+ }
+
+ if (parent_dir_path.dentry == mi->mi_incomplete_dir) {
+ /* Can't create a file directly inside .incomplete */
+ error = -EBUSY;
+ goto out;
+ }
+
+ /* Look up a dentry in the parent dir. It should be negative. */
+ named_file_dentry = incfs_lookup_dentry(parent_dir_path.dentry,
+ file_name);
+ if (!named_file_dentry) {
+ error = -EFAULT;
+ goto out;
+ }
+ if (IS_ERR(named_file_dentry)) {
+ error = PTR_ERR(named_file_dentry);
+ named_file_dentry = NULL;
+ goto out;
+ }
+ if (d_really_is_positive(named_file_dentry)) {
+ /* File with this path already exists. */
+ error = -EEXIST;
+ goto out;
+ }
+
+ /* Look up a dentry in the incomplete dir. It should be negative. */
+ incomplete_file_dentry = incfs_lookup_dentry(mi->mi_incomplete_dir,
+ file_id_str);
+ if (!incomplete_file_dentry) {
+ error = -EFAULT;
+ goto out;
+ }
+ if (IS_ERR(incomplete_file_dentry)) {
+ error = PTR_ERR(incomplete_file_dentry);
+ incomplete_file_dentry = NULL;
+ goto out;
+ }
+ if (d_really_is_positive(incomplete_file_dentry)) {
+ /* File with this path already exists. */
+ error = -EEXIST;
+ goto out;
+ }
+
+ /* Look up a dentry in the .index dir. It should be negative. */
+ index_file_dentry = incfs_lookup_dentry(mi->mi_index_dir, file_id_str);
+ if (!index_file_dentry) {
+ error = -EFAULT;
+ goto out;
+ }
+ if (IS_ERR(index_file_dentry)) {
+ error = PTR_ERR(index_file_dentry);
+ index_file_dentry = NULL;
+ goto out;
+ }
+ if (d_really_is_positive(index_file_dentry)) {
+ /* File with this ID already exists in index. */
+ error = -EEXIST;
+ goto out;
+ }
+
+ /* Creating a file in the .index dir. */
+ index_dir_inode = d_inode(mi->mi_index_dir);
+ inode_lock_nested(index_dir_inode, I_MUTEX_PARENT);
+ error = vfs_create(index_dir_inode, index_file_dentry, args.mode | 0222,
+ true);
+ inode_unlock(index_dir_inode);
+
+ if (error)
+ goto out;
+ if (!d_really_is_positive(index_file_dentry)) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ error = chmod(index_file_dentry, args.mode | 0222);
+ if (error) {
+ pr_debug("incfs: chmod err: %d\n", error);
+ goto out;
+ }
+
+ /* Save the file's ID as an xattr for easy fetching in future. */
+ error = vfs_setxattr(index_file_dentry, INCFS_XATTR_ID_NAME,
+ file_id_str, strlen(file_id_str), XATTR_CREATE);
+ if (error) {
+ pr_debug("incfs: vfs_setxattr err:%d\n", error);
+ goto out;
+ }
+
+ /* Save the file's size as an xattr for easy fetching in future. */
+ size_attr_value = cpu_to_le64(args.size);
+ error = vfs_setxattr(index_file_dentry, INCFS_XATTR_SIZE_NAME,
+ (char *)&size_attr_value, sizeof(size_attr_value),
+ XATTR_CREATE);
+ if (error) {
+ pr_debug("incfs: vfs_setxattr err:%d\n", error);
+ goto out;
+ }
+
+ /* Save the file's attribute as an xattr */
+ if (args.file_attr_len && args.file_attr) {
+ if (args.file_attr_len > INCFS_MAX_FILE_ATTR_SIZE) {
+ error = -E2BIG;
+ goto out;
+ }
+
+ attr_value = kmalloc(args.file_attr_len, GFP_NOFS);
+ if (!attr_value) {
+ error = -ENOMEM;
+ goto out;
+ }
+
+ if (copy_from_user(attr_value,
+ u64_to_user_ptr(args.file_attr),
+ args.file_attr_len) > 0) {
+ error = -EFAULT;
+ goto out;
+ }
+
+ error = vfs_setxattr(index_file_dentry,
+ INCFS_XATTR_METADATA_NAME,
+ attr_value, args.file_attr_len,
+ XATTR_CREATE);
+
+ if (error)
+ goto out;
+ }
+
+ /* Initializing a newly created file. */
+ error = init_new_file(mi, index_file_dentry, &args.file_id, args.size,
+ range(attr_value, args.file_attr_len),
+ u64_to_user_ptr(args.signature_info),
+ args.signature_size);
+ if (error)
+ goto out;
+ index_linked = true;
+
+ /* Linking a file with its real name from the requested dir. */
+ error = incfs_link(index_file_dentry, named_file_dentry);
+ if (error)
+ goto out;
+ name_linked = true;
+
+ if (args.size) {
+ /* Linking a file with its incomplete entry */
+ error = incfs_link(index_file_dentry, incomplete_file_dentry);
+ if (error)
+ goto out;
+ incomplete_linked = true;
+ }
+
+ notify_create(file, u64_to_user_ptr(args.directory_path), file_name,
+ file_id_str, args.size != 0);
+
+out:
+ if (error) {
+ pr_debug("incfs: %s err:%d\n", __func__, error);
+ if (index_linked)
+ incfs_unlink(index_file_dentry);
+ if (name_linked)
+ incfs_unlink(named_file_dentry);
+ if (incomplete_linked)
+ incfs_unlink(incomplete_file_dentry);
+ }
+
+ kfree(file_id_str);
+ kfree(file_name);
+ kfree(attr_value);
+ dput(named_file_dentry);
+ dput(index_file_dentry);
+ dput(incomplete_file_dentry);
+ path_put(&parent_dir_path);
+ if (locked)
+ mutex_unlock(&mi->mi_dir_struct_mutex);
+
+ return error;
+}
+
+static int init_new_mapped_file(struct mount_info *mi, struct dentry *dentry,
+ incfs_uuid_t *uuid, u64 size, u64 offset)
+{
+ struct path path = {};
+ struct file *new_file;
+ int error = 0;
+ struct backing_file_context *bfc = NULL;
+
+ if (!mi || !dentry || !uuid)
+ return -EFAULT;
+
+ /* Resize newly created file to its true size. */
+ path = (struct path) {
+ .mnt = mi->mi_backing_dir_path.mnt,
+ .dentry = dentry
+ };
+ new_file = dentry_open(&path, O_RDWR | O_NOATIME | O_LARGEFILE,
+ current_cred());
+
+ if (IS_ERR(new_file)) {
+ error = PTR_ERR(new_file);
+ goto out;
+ }
+
+ bfc = incfs_alloc_bfc(mi, new_file);
+ fput(new_file);
+ if (IS_ERR(bfc)) {
+ error = PTR_ERR(bfc);
+ bfc = NULL;
+ goto out;
+ }
+
+ mutex_lock(&bfc->bc_mutex);
+ error = incfs_write_mapping_fh_to_backing_file(bfc, uuid, size, offset);
+ if (error)
+ goto out;
+
+out:
+ if (bfc) {
+ mutex_unlock(&bfc->bc_mutex);
+ incfs_free_bfc(bfc);
+ }
+
+ if (error)
+ pr_debug("incfs: %s error: %d\n", __func__, error);
+ return error;
+}
+
+static long ioctl_create_mapped_file(struct file *file, void __user *arg)
+{
+ struct mount_info *mi = get_mount_info(file_superblock(file));
+ struct incfs_create_mapped_file_args __user *args_usr_ptr = arg;
+ struct incfs_create_mapped_file_args args = {};
+ char *file_name;
+ int error = 0;
+ struct path parent_dir_path = {};
+ char *source_file_name = NULL;
+ struct dentry *source_file_dentry = NULL;
+ u64 source_file_size;
+ struct dentry *file_dentry = NULL;
+ struct inode *parent_inode;
+ __le64 size_attr_value;
+
+ if (copy_from_user(&args, args_usr_ptr, sizeof(args)) > 0)
+ return -EINVAL;
+
+ file_name = strndup_user(u64_to_user_ptr(args.file_name), PATH_MAX);
+ if (IS_ERR(file_name)) {
+ error = PTR_ERR(file_name);
+ file_name = NULL;
+ goto out;
+ }
+
+ error = validate_name(file_name);
+ if (error)
+ goto out;
+
+ if (args.source_offset % INCFS_DATA_FILE_BLOCK_SIZE) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ /* Validate file mapping is in range */
+ source_file_name = file_id_to_str(args.source_file_id);
+ if (!source_file_name) {
+ pr_warn("Failed to alloc source_file_name\n");
+ error = -ENOMEM;
+ goto out;
+ }
+
+ source_file_dentry = incfs_lookup_dentry(mi->mi_index_dir,
+ source_file_name);
+ if (!source_file_dentry) {
+ pr_warn("Source file does not exist\n");
+ error = -EINVAL;
+ goto out;
+ }
+ if (IS_ERR(source_file_dentry)) {
+ pr_warn("Error opening source file\n");
+ error = PTR_ERR(source_file_dentry);
+ source_file_dentry = NULL;
+ goto out;
+ }
+ if (!d_really_is_positive(source_file_dentry)) {
+ pr_warn("Source file dentry negative\n");
+ error = -EINVAL;
+ goto out;
+ }
+
+ error = vfs_getxattr(source_file_dentry, INCFS_XATTR_SIZE_NAME,
+ (char *)&size_attr_value, sizeof(size_attr_value));
+ if (error < 0)
+ goto out;
+
+ if (error != sizeof(size_attr_value)) {
+ pr_warn("Mapped file has no size attr\n");
+ error = -EINVAL;
+ goto out;
+ }
+
+ source_file_size = le64_to_cpu(size_attr_value);
+ if (args.source_offset + args.size > source_file_size) {
+ pr_warn("Mapped file out of range\n");
+ error = -EINVAL;
+ goto out;
+ }
+
+ /* Find a directory to put the file into. */
+ error = dir_relative_path_resolve(mi,
+ u64_to_user_ptr(args.directory_path),
+ &parent_dir_path, NULL);
+ if (error)
+ goto out;
+
+ if (parent_dir_path.dentry == mi->mi_index_dir) {
+ /* Can't create a file directly inside .index */
+ error = -EBUSY;
+ goto out;
+ }
+
+ /* Look up a dentry in the parent dir. It should be negative. */
+ file_dentry = incfs_lookup_dentry(parent_dir_path.dentry,
+ file_name);
+ if (!file_dentry) {
+ error = -EFAULT;
+ goto out;
+ }
+ if (IS_ERR(file_dentry)) {
+ error = PTR_ERR(file_dentry);
+ file_dentry = NULL;
+ goto out;
+ }
+ if (d_really_is_positive(file_dentry)) {
+ error = -EEXIST;
+ goto out;
+ }
+
+ parent_inode = d_inode(parent_dir_path.dentry);
+ inode_lock_nested(parent_inode, I_MUTEX_PARENT);
+ error = vfs_create(parent_inode, file_dentry, args.mode | 0222, true);
+ inode_unlock(parent_inode);
+ if (error)
+ goto out;
+
+ error = chmod(file_dentry, args.mode | 0222);
+ if (error) {
+ pr_debug("incfs: chmod err: %d\n", error);
+ goto delete_file;
+ }
+
+ /* Save the file's size as an xattr for easy fetching in future. */
+ size_attr_value = cpu_to_le64(args.size);
+ error = vfs_setxattr(file_dentry, INCFS_XATTR_SIZE_NAME,
+ (char *)&size_attr_value, sizeof(size_attr_value),
+ XATTR_CREATE);
+ if (error) {
+ pr_debug("incfs: vfs_setxattr err:%d\n", error);
+ goto delete_file;
+ }
+
+ error = init_new_mapped_file(mi, file_dentry, &args.source_file_id,
+ args.size, args.source_offset);
+ if (error)
+ goto delete_file;
+
+ notify_create(file, u64_to_user_ptr(args.directory_path), file_name,
+ NULL, false);
+
+ goto out;
+
+delete_file:
+ incfs_unlink(file_dentry);
+
+out:
+ dput(file_dentry);
+ dput(source_file_dentry);
+ path_put(&parent_dir_path);
+ kfree(file_name);
+ kfree(source_file_name);
+ return error;
+}
+
+static long ioctl_get_read_timeouts(struct mount_info *mi, void __user *arg)
+{
+ struct incfs_get_read_timeouts_args __user *args_usr_ptr = arg;
+ struct incfs_get_read_timeouts_args args = {};
+ int error = 0;
+ struct incfs_per_uid_read_timeouts *buffer;
+ int size;
+
+ if (copy_from_user(&args, args_usr_ptr, sizeof(args)))
+ return -EINVAL;
+
+ if (args.timeouts_array_size_out > INCFS_DATA_FILE_BLOCK_SIZE)
+ return -EINVAL;
+
+ buffer = kzalloc(args.timeouts_array_size_out, GFP_NOFS);
+ if (!buffer)
+ return -ENOMEM;
+
+ spin_lock(&mi->mi_per_uid_read_timeouts_lock);
+ size = mi->mi_per_uid_read_timeouts_size;
+ if (args.timeouts_array_size < size)
+ error = -E2BIG;
+ else if (size)
+ memcpy(buffer, mi->mi_per_uid_read_timeouts, size);
+ spin_unlock(&mi->mi_per_uid_read_timeouts_lock);
+
+ args.timeouts_array_size_out = size;
+ if (!error && size)
+ if (copy_to_user(u64_to_user_ptr(args.timeouts_array), buffer,
+ size))
+ error = -EFAULT;
+
+ if (!error || error == -E2BIG)
+ if (copy_to_user(args_usr_ptr, &args, sizeof(args)) > 0)
+ error = -EFAULT;
+
+ kfree(buffer);
+ return error;
+}
+
+static long ioctl_set_read_timeouts(struct mount_info *mi, void __user *arg)
+{
+ struct incfs_set_read_timeouts_args __user *args_usr_ptr = arg;
+ struct incfs_set_read_timeouts_args args = {};
+ int error = 0;
+ int size;
+ struct incfs_per_uid_read_timeouts *buffer = NULL, *tmp;
+ int i;
+
+ if (copy_from_user(&args, args_usr_ptr, sizeof(args)))
+ return -EINVAL;
+
+ size = args.timeouts_array_size;
+ if (size) {
+ if (size > INCFS_DATA_FILE_BLOCK_SIZE ||
+ size % sizeof(*buffer) != 0)
+ return -EINVAL;
+
+ buffer = kzalloc(size, GFP_NOFS);
+ if (!buffer)
+ return -ENOMEM;
+
+ if (copy_from_user(buffer, u64_to_user_ptr(args.timeouts_array),
+ size)) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < size / sizeof(*buffer); ++i) {
+ struct incfs_per_uid_read_timeouts *t = &buffer[i];
+
+ if (t->min_pending_time_us > t->max_pending_time_us) {
+ error = -EINVAL;
+ goto out;
+ }
+ }
+ }
+
+ spin_lock(&mi->mi_per_uid_read_timeouts_lock);
+ mi->mi_per_uid_read_timeouts_size = size;
+ tmp = mi->mi_per_uid_read_timeouts;
+ mi->mi_per_uid_read_timeouts = buffer;
+ buffer = tmp;
+ spin_unlock(&mi->mi_per_uid_read_timeouts_lock);
+
+out:
+ kfree(buffer);
+ return error;
+}
+
+static long ioctl_get_last_read_error(struct mount_info *mi, void __user *arg)
+{
+ struct incfs_get_last_read_error_args __user *args_usr_ptr = arg;
+ struct incfs_get_last_read_error_args args = {};
+ int error;
+
+ error = mutex_lock_interruptible(&mi->mi_le_mutex);
+ if (error)
+ return error;
+
+ args.file_id_out = mi->mi_le_file_id;
+ args.time_us_out = mi->mi_le_time_us;
+ args.page_out = mi->mi_le_page;
+ args.errno_out = mi->mi_le_errno;
+ args.uid_out = mi->mi_le_uid;
+
+ mutex_unlock(&mi->mi_le_mutex);
+ if (copy_to_user(args_usr_ptr, &args, sizeof(args)) > 0)
+ error = -EFAULT;
+
+ return error;
+}
+
+static long pending_reads_dispatch_ioctl(struct file *f, unsigned int req,
+ unsigned long arg)
+{
+ struct mount_info *mi = get_mount_info(file_superblock(f));
+
+ switch (req) {
+ case INCFS_IOC_CREATE_FILE:
+ return ioctl_create_file(f, (void __user *)arg);
+ case INCFS_IOC_PERMIT_FILL:
+ return ioctl_permit_fill(f, (void __user *)arg);
+ case INCFS_IOC_CREATE_MAPPED_FILE:
+ return ioctl_create_mapped_file(f, (void __user *)arg);
+ case INCFS_IOC_GET_READ_TIMEOUTS:
+ return ioctl_get_read_timeouts(mi, (void __user *)arg);
+ case INCFS_IOC_SET_READ_TIMEOUTS:
+ return ioctl_set_read_timeouts(mi, (void __user *)arg);
+ case INCFS_IOC_GET_LAST_READ_ERROR:
+ return ioctl_get_last_read_error(mi, (void __user *)arg);
+ default:
+ return -EINVAL;
+ }
+}
+
+static const struct file_operations incfs_pending_reads_file_ops = {
+ .read = pending_reads_read,
+ .poll = pending_reads_poll,
+ .open = pending_reads_open,
+ .release = pending_reads_release,
+ .llseek = noop_llseek,
+ .unlocked_ioctl = pending_reads_dispatch_ioctl,
+ .compat_ioctl = pending_reads_dispatch_ioctl
+};
+
+/*******************************************************************************
+ * .log pseudo file definition
+ ******************************************************************************/
+#define INCFS_LOG_INODE 3
+static const char log_file_name[] = INCFS_LOG_FILENAME;
+
+/* State of an open .log file, unique for each file descriptor. */
+struct log_file_state {
+ struct read_log_state state;
+};
+
+static ssize_t log_read(struct file *f, char __user *buf, size_t len,
+ loff_t *ppos)
+{
+ struct log_file_state *log_state = f->private_data;
+ struct mount_info *mi = get_mount_info(file_superblock(f));
+ int total_reads_collected = 0;
+ int rl_size;
+ ssize_t result = 0;
+ bool report_uid;
+ unsigned long page = 0;
+ struct incfs_pending_read_info *reads_buf = NULL;
+ struct incfs_pending_read_info2 *reads_buf2 = NULL;
+ size_t record_size;
+ ssize_t reads_to_collect;
+ ssize_t reads_per_page;
+
+ if (!mi)
+ return -EFAULT;
+
+ report_uid = mi->mi_options.report_uid;
+ record_size = report_uid ? sizeof(*reads_buf2) : sizeof(*reads_buf);
+ reads_to_collect = len / record_size;
+ reads_per_page = PAGE_SIZE / record_size;
+
+ rl_size = READ_ONCE(mi->mi_log.rl_size);
+ if (rl_size == 0)
+ return 0;
+
+ page = __get_free_page(GFP_NOFS);
+ if (!page)
+ return -ENOMEM;
+
+ if (report_uid)
+ reads_buf2 = (struct incfs_pending_read_info2 *)page;
+ else
+ reads_buf = (struct incfs_pending_read_info *)page;
+
+ reads_to_collect = min_t(ssize_t, rl_size, reads_to_collect);
+ while (reads_to_collect > 0) {
+ struct read_log_state next_state;
+ int reads_collected;
+
+ memcpy(&next_state, &log_state->state, sizeof(next_state));
+ reads_collected = incfs_collect_logged_reads(
+ mi, &next_state, reads_buf, reads_buf2,
+ min_t(ssize_t, reads_to_collect, reads_per_page));
+ if (reads_collected <= 0) {
+ result = total_reads_collected ?
+ total_reads_collected * record_size :
+ reads_collected;
+ goto out;
+ }
+ if (copy_to_user(buf, (void *)page,
+ reads_collected * record_size)) {
+ result = total_reads_collected ?
+ total_reads_collected * record_size :
+ -EFAULT;
+ goto out;
+ }
+
+ memcpy(&log_state->state, &next_state, sizeof(next_state));
+ total_reads_collected += reads_collected;
+ buf += reads_collected * record_size;
+ reads_to_collect -= reads_collected;
+ }
+
+ result = total_reads_collected * record_size;
+ *ppos = 0;
+out:
+ free_page(page);
+ return result;
+}
+
+static __poll_t log_poll(struct file *file, poll_table *wait)
+{
+ struct log_file_state *log_state = file->private_data;
+ struct mount_info *mi = get_mount_info(file_superblock(file));
+ int count;
+ __poll_t ret = 0;
+
+ poll_wait(file, &mi->mi_log.ml_notif_wq, wait);
+ count = incfs_get_uncollected_logs_count(mi, &log_state->state);
+ if (count >= mi->mi_options.read_log_wakeup_count)
+ ret = EPOLLIN | EPOLLRDNORM;
+
+ return ret;
+}
+
+static int log_open(struct inode *inode, struct file *file)
+{
+ struct log_file_state *log_state = NULL;
+ struct mount_info *mi = get_mount_info(file_superblock(file));
+
+ log_state = kzalloc(sizeof(*log_state), GFP_NOFS);
+ if (!log_state)
+ return -ENOMEM;
+
+ log_state->state = incfs_get_log_state(mi);
+ file->private_data = log_state;
+ return 0;
+}
+
+static int log_release(struct inode *inode, struct file *file)
+{
+ kfree(file->private_data);
+ return 0;
+}
+
+static const struct file_operations incfs_log_file_ops = {
+ .read = log_read,
+ .poll = log_poll,
+ .open = log_open,
+ .release = log_release,
+ .llseek = noop_llseek,
+};
+
+/*******************************************************************************
+ * .blocks_written pseudo file definition
+ ******************************************************************************/
+#define INCFS_BLOCKS_WRITTEN_INODE 4
+static const char blocks_written_file_name[] = INCFS_BLOCKS_WRITTEN_FILENAME;
+
+/* State of an open .blocks_written file, unique for each file descriptor. */
+struct blocks_written_file_state {
+ unsigned long blocks_written;
+};
+
+static ssize_t blocks_written_read(struct file *f, char __user *buf, size_t len,
+ loff_t *ppos)
+{
+ struct mount_info *mi = get_mount_info(file_superblock(f));
+ struct blocks_written_file_state *state = f->private_data;
+ unsigned long blocks_written;
+ char string[21];
+ int result = 0;
+
+ if (!mi)
+ return -EFAULT;
+
+ blocks_written = atomic_read(&mi->mi_blocks_written);
+ if (state->blocks_written == blocks_written)
+ return 0;
+
+ result = snprintf(string, sizeof(string), "%lu", blocks_written);
+ if (result > len)
+ result = len;
+ if (copy_to_user(buf, string, result))
+ return -EFAULT;
+
+ state->blocks_written = blocks_written;
+ return result;
+}
+
+static __poll_t blocks_written_poll(struct file *f, poll_table *wait)
+{
+ struct mount_info *mi = get_mount_info(file_superblock(f));
+ struct blocks_written_file_state *state = f->private_data;
+ unsigned long blocks_written;
+
+ if (!mi)
+ return 0;
+
+ poll_wait(f, &mi->mi_blocks_written_notif_wq, wait);
+ blocks_written = atomic_read(&mi->mi_blocks_written);
+ if (state->blocks_written == blocks_written)
+ return 0;
+
+ return EPOLLIN | EPOLLRDNORM;
+}
+
+static int blocks_written_open(struct inode *inode, struct file *file)
+{
+ struct blocks_written_file_state *state =
+ kzalloc(sizeof(*state), GFP_NOFS);
+
+ if (!state)
+ return -ENOMEM;
+
+ state->blocks_written = -1;
+ file->private_data = state;
+ return 0;
+}
+
+static int blocks_written_release(struct inode *inode, struct file *file)
+{
+ kfree(file->private_data);
+ return 0;
+}
+
+static const struct file_operations incfs_blocks_written_file_ops = {
+ .read = blocks_written_read,
+ .poll = blocks_written_poll,
+ .open = blocks_written_open,
+ .release = blocks_written_release,
+ .llseek = noop_llseek,
+};
+
+/*******************************************************************************
+ * Generic inode lookup functionality
+ ******************************************************************************/
+
+const struct mem_range incfs_pseudo_file_names[] = {
+ { .data = (u8 *)pending_reads_file_name,
+ .len = ARRAY_SIZE(pending_reads_file_name) - 1 },
+ { .data = (u8 *)log_file_name, .len = ARRAY_SIZE(log_file_name) - 1 },
+ { .data = (u8 *)blocks_written_file_name,
+ .len = ARRAY_SIZE(blocks_written_file_name) - 1 }
+};
+
+const unsigned long incfs_pseudo_file_inodes[] = { INCFS_PENDING_READS_INODE,
+ INCFS_LOG_INODE,
+ INCFS_BLOCKS_WRITTEN_INODE };
+
+static const struct file_operations *const pseudo_file_operations[] = {
+ &incfs_pending_reads_file_ops, &incfs_log_file_ops,
+ &incfs_blocks_written_file_ops
+};
+
+static bool is_pseudo_filename(struct mem_range name)
+{
+ int i = 0;
+
+ for (; i < ARRAY_SIZE(incfs_pseudo_file_names); ++i)
+ if (incfs_equal_ranges(incfs_pseudo_file_names[i], name))
+ return true;
+ return false;
+}
+
+static bool get_pseudo_inode(int ino, struct inode *inode)
+{
+ int i = 0;
+
+ for (; i < ARRAY_SIZE(incfs_pseudo_file_inodes); ++i)
+ if (ino == incfs_pseudo_file_inodes[i])
+ break;
+ if (i == ARRAY_SIZE(incfs_pseudo_file_inodes))
+ return false;
+
+ inode->i_ctime = (struct timespec64){};
+ inode->i_mtime = inode->i_ctime;
+ inode->i_atime = inode->i_ctime;
+ inode->i_size = 0;
+ inode->i_ino = ino;
+ inode->i_private = NULL;
+ inode_init_owner(inode, NULL, S_IFREG | READ_WRITE_FILE_MODE);
+ inode->i_op = &incfs_file_inode_ops;
+ inode->i_fop = pseudo_file_operations[i];
+ return true;
+}
+
+struct inode_search {
+ unsigned long ino;
+};
+
+static int inode_test(struct inode *inode, void *opaque)
+{
+ struct inode_search *search = opaque;
+
+ return inode->i_ino == search->ino;
+}
+
+static int inode_set(struct inode *inode, void *opaque)
+{
+ struct inode_search *search = opaque;
+
+ if (get_pseudo_inode(search->ino, inode))
+ return 0;
+
+ /* Unknown inode requested. */
+ return -EINVAL;
+}
+
+static struct inode *fetch_inode(struct super_block *sb, unsigned long ino)
+{
+ struct inode_search search = {
+ .ino = ino
+ };
+ struct inode *inode = iget5_locked(sb, search.ino, inode_test,
+ inode_set, &search);
+
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
+
+ if (inode->i_state & I_NEW)
+ unlock_new_inode(inode);
+
+ return inode;
+}
+
+int dir_lookup_pseudo_files(struct super_block *sb, struct dentry *dentry)
+{
+ struct mem_range name_range =
+ range((u8 *)dentry->d_name.name, dentry->d_name.len);
+ unsigned long ino;
+ struct inode *inode;
+ int i = 0;
+
+ for (; i < ARRAY_SIZE(incfs_pseudo_file_names); ++i)
+ if (incfs_equal_ranges(incfs_pseudo_file_names[i], name_range))
+ break;
+ if (i == ARRAY_SIZE(incfs_pseudo_file_names))
+ return -ENOENT;
+
+ ino = incfs_pseudo_file_inodes[i];
+
+ inode = fetch_inode(sb, ino);
+ if (IS_ERR(inode))
+ return PTR_ERR(inode);
+
+ d_add(dentry, inode);
+ return 0;
+}
+
+int emit_pseudo_files(struct dir_context *ctx)
+{
+ loff_t i = ctx->pos;
+
+ for (; i < ARRAY_SIZE(incfs_pseudo_file_names); ++i) {
+ if (!dir_emit(ctx, incfs_pseudo_file_names[i].data,
+ incfs_pseudo_file_names[i].len,
+ incfs_pseudo_file_inodes[i], DT_REG))
+ return -EINVAL;
+
+ ctx->pos++;
+ }
+ return 0;
+}
diff --git a/fs/incfs/pseudo_files.h b/fs/incfs/pseudo_files.h
new file mode 100644
index 0000000..1887218
--- /dev/null
+++ b/fs/incfs/pseudo_files.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef _INCFS_PSEUDO_FILES_H
+#define _INCFS_PSEUDO_FILES_H
+
+#include "internal.h"
+
+#define PSEUDO_FILE_COUNT 3
+#define INCFS_START_INO_RANGE 10
+
+extern const struct mem_range incfs_pseudo_file_names[PSEUDO_FILE_COUNT];
+extern const unsigned long incfs_pseudo_file_inodes[PSEUDO_FILE_COUNT];
+
+int dir_lookup_pseudo_files(struct super_block *sb, struct dentry *dentry);
+int emit_pseudo_files(struct dir_context *ctx);
+
+#endif
diff --git a/fs/incfs/sysfs.c b/fs/incfs/sysfs.c
new file mode 100644
index 0000000..360f03c
--- /dev/null
+++ b/fs/incfs/sysfs.c
@@ -0,0 +1,201 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2021 Google LLC
+ */
+#include <linux/fs.h>
+#include <linux/kobject.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "sysfs.h"
+#include "data_mgmt.h"
+#include "vfs.h"
+
+/******************************************************************************
+ * Define sys/fs/incrementalfs & sys/fs/incrementalfs/features
+ *****************************************************************************/
+#define INCFS_NODE_FEATURES "features"
+#define INCFS_NODE_INSTANCES "instances"
+
+static struct kobject *sysfs_root;
+static struct kobject *features_node;
+static struct kobject *instances_node;
+
+#define DECLARE_FEATURE_FLAG(name) \
+ static ssize_t name##_show(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buff) \
+{ \
+ return sysfs_emit(buff, "supported\n"); \
+} \
+ \
+static struct kobj_attribute name##_attr = __ATTR_RO(name)
+
+DECLARE_FEATURE_FLAG(corefs);
+DECLARE_FEATURE_FLAG(zstd);
+DECLARE_FEATURE_FLAG(v2);
+
+static struct attribute *attributes[] = {
+ &corefs_attr.attr,
+ &zstd_attr.attr,
+ &v2_attr.attr,
+ NULL,
+};
+
+static const struct attribute_group attr_group = {
+ .attrs = attributes,
+};
+
+int __init incfs_init_sysfs(void)
+{
+ int res = -ENOMEM;
+
+ sysfs_root = kobject_create_and_add(INCFS_NAME, fs_kobj);
+ if (!sysfs_root)
+ return -ENOMEM;
+
+ instances_node = kobject_create_and_add(INCFS_NODE_INSTANCES,
+ sysfs_root);
+ if (!instances_node)
+ goto err_put_root;
+
+ features_node = kobject_create_and_add(INCFS_NODE_FEATURES,
+ sysfs_root);
+ if (!features_node)
+ goto err_put_instances;
+
+ res = sysfs_create_group(features_node, &attr_group);
+ if (res)
+ goto err_put_features;
+
+ return 0;
+
+err_put_features:
+ kobject_put(features_node);
+err_put_instances:
+ kobject_put(instances_node);
+err_put_root:
+ kobject_put(sysfs_root);
+
+ return res;
+}
+
+void incfs_cleanup_sysfs(void)
+{
+ if (features_node) {
+ sysfs_remove_group(features_node, &attr_group);
+ kobject_put(features_node);
+ }
+
+ kobject_put(instances_node);
+ kobject_put(sysfs_root);
+}
+
+/******************************************************************************
+ * Define sys/fs/incrementalfs/instances/<name>/
+ *****************************************************************************/
+#define __DECLARE_STATUS_FLAG(name) \
+static ssize_t name##_show(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buff) \
+{ \
+ struct incfs_sysfs_node *node = container_of(kobj, \
+ struct incfs_sysfs_node, isn_sysfs_node); \
+ \
+ return sysfs_emit(buff, "%d\n", node->isn_mi->mi_##name); \
+} \
+ \
+static struct kobj_attribute name##_attr = __ATTR_RO(name)
+
+#define __DECLARE_STATUS_FLAG64(name) \
+static ssize_t name##_show(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buff) \
+{ \
+ struct incfs_sysfs_node *node = container_of(kobj, \
+ struct incfs_sysfs_node, isn_sysfs_node); \
+ \
+ return sysfs_emit(buff, "%lld\n", node->isn_mi->mi_##name); \
+} \
+ \
+static struct kobj_attribute name##_attr = __ATTR_RO(name)
+
+__DECLARE_STATUS_FLAG(reads_failed_timed_out);
+__DECLARE_STATUS_FLAG(reads_failed_hash_verification);
+__DECLARE_STATUS_FLAG(reads_failed_other);
+__DECLARE_STATUS_FLAG(reads_delayed_pending);
+__DECLARE_STATUS_FLAG64(reads_delayed_pending_us);
+__DECLARE_STATUS_FLAG(reads_delayed_min);
+__DECLARE_STATUS_FLAG64(reads_delayed_min_us);
+
+static struct attribute *mount_attributes[] = {
+ &reads_failed_timed_out_attr.attr,
+ &reads_failed_hash_verification_attr.attr,
+ &reads_failed_other_attr.attr,
+ &reads_delayed_pending_attr.attr,
+ &reads_delayed_pending_us_attr.attr,
+ &reads_delayed_min_attr.attr,
+ &reads_delayed_min_us_attr.attr,
+ NULL,
+};
+
+static void incfs_sysfs_release(struct kobject *kobj)
+{
+ struct incfs_sysfs_node *node = container_of(kobj,
+ struct incfs_sysfs_node, isn_sysfs_node);
+
+ complete(&node->isn_completion);
+}
+
+static const struct attribute_group mount_attr_group = {
+ .attrs = mount_attributes,
+};
+
+static struct kobj_type incfs_kobj_node_ktype = {
+ .sysfs_ops = &kobj_sysfs_ops,
+ .release = &incfs_sysfs_release,
+};
+
+struct incfs_sysfs_node *incfs_add_sysfs_node(const char *name,
+ struct mount_info *mi)
+{
+ struct incfs_sysfs_node *node = NULL;
+ int error;
+
+ if (!name)
+ return NULL;
+
+ node = kzalloc(sizeof(*node), GFP_NOFS);
+ if (!node)
+ return ERR_PTR(-ENOMEM);
+
+ node->isn_mi = mi;
+
+ init_completion(&node->isn_completion);
+ kobject_init(&node->isn_sysfs_node, &incfs_kobj_node_ktype);
+ error = kobject_add(&node->isn_sysfs_node, instances_node, "%s", name);
+ if (error)
+ goto err;
+
+ error = sysfs_create_group(&node->isn_sysfs_node, &mount_attr_group);
+ if (error)
+ goto err;
+
+ return node;
+
+err:
+ /*
+ * Note kobject_put always calls release, so incfs_sysfs_release will
+ * free node
+ */
+ kobject_put(&node->isn_sysfs_node);
+ return ERR_PTR(error);
+}
+
+void incfs_free_sysfs_node(struct incfs_sysfs_node *node)
+{
+ if (!node)
+ return;
+
+ sysfs_remove_group(&node->isn_sysfs_node, &mount_attr_group);
+ kobject_put(&node->isn_sysfs_node);
+ wait_for_completion_interruptible(&node->isn_completion);
+ kfree(node);
+}
diff --git a/fs/incfs/sysfs.h b/fs/incfs/sysfs.h
new file mode 100644
index 0000000..65bf554
--- /dev/null
+++ b/fs/incfs/sysfs.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2021 Google LLC
+ */
+#ifndef _INCFS_SYSFS_H
+#define _INCFS_SYSFS_H
+
+struct incfs_sysfs_node {
+ struct kobject isn_sysfs_node;
+
+ struct completion isn_completion;
+
+ struct mount_info *isn_mi;
+};
+
+int incfs_init_sysfs(void);
+void incfs_cleanup_sysfs(void);
+struct incfs_sysfs_node *incfs_add_sysfs_node(const char *name,
+ struct mount_info *mi);
+void incfs_free_sysfs_node(struct incfs_sysfs_node *node);
+
+#endif
diff --git a/fs/incfs/verity.c b/fs/incfs/verity.c
new file mode 100644
index 0000000..a3dc94b
--- /dev/null
+++ b/fs/incfs/verity.c
@@ -0,0 +1,851 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+
+/*
+ * fs-verity integration into incfs
+ *
+ * Since incfs has its own merkle tree implementation, most of fs-verity code
+ * is not needed. The key part that is needed is the signature check, since
+ * that is based on the private /proc/sys/fs/verity/require_signatures value
+ * and a private keyring. Thus the first change is to modify verity code to
+ * export a version of fsverity_verify_signature.
+ *
+ * fs-verity integration then consists of the following modifications:
+ *
+ * 1. Add the (optional) verity signature to the incfs file format
+ * 2. Add a pointer to the digest of the fs-verity descriptor struct to the
+ * data_file struct that incfs attaches to each file inode.
+ * 3. Add the following ioclts:
+ * - FS_IOC_ENABLE_VERITY
+ * - FS_IOC_GETFLAGS
+ * - FS_IOC_MEASURE_VERITY
+ * 4. When FS_IOC_ENABLE_VERITY is called on a non-verity file, the
+ * fs-verity descriptor struct is populated and digested. If it passes the
+ * signature check or the signature is NULL and
+ * fs.verity.require_signatures=0, then the S_VERITY flag is set and the
+ * xattr incfs.verity is set. If the signature is non-NULL, an
+ * INCFS_MD_VERITY_SIGNATURE is added to the backing file containing the
+ * signature.
+ * 5. When a file with an incfs.verity xattr's inode is initialized, the
+ * inode’s S_VERITY flag is set.
+ * 6. When a file with the S_VERITY flag set on its inode is opened, the
+ * data_file is checked for its verity digest. If the file doesn’t have a
+ * digest, the file’s digest is calculated as above, checked, and set, or the
+ * open is denied if it is not valid.
+ * 7. FS_IOC_GETFLAGS simply returns the value of the S_VERITY flag
+ * 8. FS_IOC_MEASURE_VERITY simply returns the cached digest
+ * 9. The final complication is that if FS_IOC_ENABLE_VERITY is called on a file
+ * which doesn’t have a merkle tree, the merkle tree is calculated before the
+ * rest of the process is completed.
+ */
+
+#include <crypto/hash.h>
+#include <crypto/sha.h>
+#include <linux/fsverity.h>
+#include <linux/mount.h>
+
+#include "verity.h"
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "integrity.h"
+#include "vfs.h"
+
+#define FS_VERITY_MAX_SIGNATURE_SIZE 16128
+
+static int incfs_get_root_hash(struct file *filp, u8 *root_hash)
+{
+ struct data_file *df = get_incfs_data_file(filp);
+
+ if (!df)
+ return -EINVAL;
+
+ memcpy(root_hash, df->df_hash_tree->root_hash,
+ df->df_hash_tree->alg->digest_size);
+
+ return 0;
+}
+
+static int incfs_end_enable_verity(struct file *filp, u8 *sig, size_t sig_size)
+{
+ struct inode *inode = file_inode(filp);
+ struct mem_range signature = {
+ .data = sig,
+ .len = sig_size,
+ };
+ struct data_file *df = get_incfs_data_file(filp);
+ struct backing_file_context *bfc;
+ int error;
+ struct incfs_df_verity_signature *vs = NULL;
+ loff_t offset;
+
+ if (!df || !df->df_backing_file_context)
+ return -EFSCORRUPTED;
+
+ if (sig) {
+ vs = kzalloc(sizeof(*vs), GFP_NOFS);
+ if (!vs)
+ return -ENOMEM;
+ }
+
+ bfc = df->df_backing_file_context;
+ error = mutex_lock_interruptible(&bfc->bc_mutex);
+ if (error)
+ goto out;
+
+ error = incfs_write_verity_signature_to_backing_file(bfc, signature,
+ &offset);
+ mutex_unlock(&bfc->bc_mutex);
+ if (error)
+ goto out;
+
+ /*
+ * Set verity xattr so we can set S_VERITY without opening backing file
+ */
+ error = vfs_setxattr(bfc->bc_file->f_path.dentry,
+ INCFS_XATTR_VERITY_NAME, NULL, 0, XATTR_CREATE);
+ if (error) {
+ pr_warn("incfs: error setting verity xattr: %d\n", error);
+ goto out;
+ }
+
+ if (sig) {
+ *vs = (struct incfs_df_verity_signature) {
+ .size = signature.len,
+ .offset = offset,
+ };
+
+ df->df_verity_signature = vs;
+ vs = NULL;
+ }
+
+ inode_set_flags(inode, S_VERITY, S_VERITY);
+
+out:
+ kfree(vs);
+ return error;
+}
+
+static int incfs_compute_file_digest(struct incfs_hash_alg *alg,
+ struct fsverity_descriptor *desc,
+ u8 *digest)
+{
+ SHASH_DESC_ON_STACK(d, alg->shash);
+
+ d->tfm = alg->shash;
+ return crypto_shash_digest(d, (u8 *)desc, sizeof(*desc), digest);
+}
+
+static enum incfs_hash_tree_algorithm incfs_convert_fsverity_hash_alg(
+ int hash_alg)
+{
+ switch (hash_alg) {
+ case FS_VERITY_HASH_ALG_SHA256:
+ return INCFS_HASH_TREE_SHA256;
+ default:
+ return -EINVAL;
+ }
+}
+
+static struct mem_range incfs_get_verity_digest(struct inode *inode)
+{
+ struct inode_info *node = get_incfs_node(inode);
+ struct data_file *df;
+ struct mem_range verity_file_digest;
+
+ if (!node) {
+ pr_warn("Invalid inode\n");
+ return range(NULL, 0);
+ }
+
+ df = node->n_file;
+
+ /*
+ * Pairs with the cmpxchg_release() in incfs_set_verity_digest().
+ * I.e., another task may publish ->df_verity_file_digest concurrently,
+ * executing a RELEASE barrier. We need to use smp_load_acquire() here
+ * to safely ACQUIRE the memory the other task published.
+ */
+ verity_file_digest.data = smp_load_acquire(
+ &df->df_verity_file_digest.data);
+ verity_file_digest.len = df->df_verity_file_digest.len;
+ return verity_file_digest;
+}
+
+static void incfs_set_verity_digest(struct inode *inode,
+ struct mem_range verity_file_digest)
+{
+ struct inode_info *node = get_incfs_node(inode);
+ struct data_file *df;
+
+ if (!node) {
+ pr_warn("Invalid inode\n");
+ kfree(verity_file_digest.data);
+ return;
+ }
+
+ df = node->n_file;
+ df->df_verity_file_digest.len = verity_file_digest.len;
+
+ /*
+ * Multiple tasks may race to set ->df_verity_file_digest.data, so use
+ * cmpxchg_release(). This pairs with the smp_load_acquire() in
+ * incfs_get_verity_digest(). I.e., here we publish
+ * ->df_verity_file_digest.data, with a RELEASE barrier so that other
+ * tasks can ACQUIRE it.
+ */
+ if (cmpxchg_release(&df->df_verity_file_digest.data, NULL,
+ verity_file_digest.data) != NULL)
+ /* Lost the race, so free the file_digest we allocated. */
+ kfree(verity_file_digest.data);
+}
+
+/*
+ * Calculate the digest of the fsverity_descriptor. The signature (if present)
+ * is also checked.
+ */
+static struct mem_range incfs_calc_verity_digest_from_desc(
+ const struct inode *inode,
+ struct fsverity_descriptor *desc,
+ u8 *signature, size_t sig_size)
+{
+ enum incfs_hash_tree_algorithm incfs_hash_alg;
+ struct mem_range verity_file_digest;
+ int err;
+ struct incfs_hash_alg *hash_alg;
+
+ incfs_hash_alg = incfs_convert_fsverity_hash_alg(desc->hash_algorithm);
+ if (incfs_hash_alg < 0)
+ return range(ERR_PTR(incfs_hash_alg), 0);
+
+ hash_alg = incfs_get_hash_alg(incfs_hash_alg);
+ if (IS_ERR(hash_alg))
+ return range((u8 *)hash_alg, 0);
+
+ verity_file_digest = range(kzalloc(hash_alg->digest_size, GFP_KERNEL),
+ hash_alg->digest_size);
+ if (!verity_file_digest.data)
+ return range(ERR_PTR(-ENOMEM), 0);
+
+ err = incfs_compute_file_digest(hash_alg, desc,
+ verity_file_digest.data);
+ if (err) {
+ pr_err("Error %d computing file digest", err);
+ goto out;
+ }
+ pr_debug("Computed file digest: %s:%*phN\n",
+ hash_alg->name, (int) verity_file_digest.len,
+ verity_file_digest.data);
+
+ err = __fsverity_verify_signature(inode, signature, sig_size,
+ verity_file_digest.data,
+ desc->hash_algorithm);
+out:
+ if (err) {
+ kfree(verity_file_digest.data);
+ verity_file_digest = range(ERR_PTR(err), 0);
+ }
+ return verity_file_digest;
+}
+
+static struct fsverity_descriptor *incfs_get_fsverity_descriptor(
+ struct file *filp, int hash_algorithm)
+{
+ struct inode *inode = file_inode(filp);
+ struct fsverity_descriptor *desc = kzalloc(sizeof(*desc), GFP_KERNEL);
+ int err;
+
+ if (!desc)
+ return ERR_PTR(-ENOMEM);
+
+ *desc = (struct fsverity_descriptor) {
+ .version = 1,
+ .hash_algorithm = hash_algorithm,
+ .log_blocksize = ilog2(INCFS_DATA_FILE_BLOCK_SIZE),
+ .data_size = cpu_to_le64(inode->i_size),
+ };
+
+ err = incfs_get_root_hash(filp, desc->root_hash);
+ if (err) {
+ kfree(desc);
+ return ERR_PTR(err);
+ }
+
+ return desc;
+}
+
+static struct mem_range incfs_calc_verity_digest(
+ struct inode *inode, struct file *filp,
+ u8 *signature, size_t signature_size,
+ int hash_algorithm)
+{
+ struct fsverity_descriptor *desc = incfs_get_fsverity_descriptor(filp,
+ hash_algorithm);
+ struct mem_range verity_file_digest;
+
+ if (IS_ERR(desc))
+ return range((u8 *)desc, 0);
+ verity_file_digest = incfs_calc_verity_digest_from_desc(inode, desc,
+ signature, signature_size);
+ kfree(desc);
+ return verity_file_digest;
+}
+
+static int incfs_build_merkle_tree(struct file *f, struct data_file *df,
+ struct backing_file_context *bfc,
+ struct mtree *hash_tree, loff_t hash_offset,
+ struct incfs_hash_alg *alg, struct mem_range hash)
+{
+ int error = 0;
+ int limit, lvl, i, result;
+ struct mem_range buf = {.len = INCFS_DATA_FILE_BLOCK_SIZE};
+ struct mem_range tmp = {.len = 2 * INCFS_DATA_FILE_BLOCK_SIZE};
+
+ buf.data = (u8 *)__get_free_pages(GFP_NOFS, get_order(buf.len));
+ tmp.data = (u8 *)__get_free_pages(GFP_NOFS, get_order(tmp.len));
+ if (!buf.data || !tmp.data) {
+ error = -ENOMEM;
+ goto out;
+ }
+
+ /*
+ * lvl - 1 is the level we are reading, lvl the level we are writing
+ * lvl == -1 means actual blocks
+ * lvl == hash_tree->depth means root hash
+ */
+ limit = df->df_data_block_count;
+ for (lvl = 0; lvl <= hash_tree->depth; lvl++) {
+ for (i = 0; i < limit; ++i) {
+ loff_t hash_level_offset;
+ struct mem_range partial_buf = buf;
+
+ if (lvl == 0)
+ result = incfs_read_data_file_block(partial_buf,
+ f, i, tmp, NULL);
+ else {
+ hash_level_offset = hash_offset +
+ hash_tree->hash_level_suboffset[lvl - 1];
+
+ result = incfs_kread(bfc, partial_buf.data,
+ partial_buf.len,
+ hash_level_offset + i *
+ INCFS_DATA_FILE_BLOCK_SIZE);
+ }
+
+ if (result < 0) {
+ error = result;
+ goto out;
+ }
+
+ partial_buf.len = result;
+ error = incfs_calc_digest(alg, partial_buf, hash);
+ if (error)
+ goto out;
+
+ /*
+ * last level - only one hash to take and it is stored
+ * in the incfs signature record
+ */
+ if (lvl == hash_tree->depth)
+ break;
+
+ hash_level_offset = hash_offset +
+ hash_tree->hash_level_suboffset[lvl];
+
+ result = incfs_kwrite(bfc, hash.data, hash.len,
+ hash_level_offset + hash.len * i);
+
+ if (result < 0) {
+ error = result;
+ goto out;
+ }
+
+ if (result != hash.len) {
+ error = -EIO;
+ goto out;
+ }
+ }
+ limit = DIV_ROUND_UP(limit,
+ INCFS_DATA_FILE_BLOCK_SIZE / hash.len);
+ }
+
+out:
+ free_pages((unsigned long)tmp.data, get_order(tmp.len));
+ free_pages((unsigned long)buf.data, get_order(buf.len));
+ return error;
+}
+
+/*
+ * incfs files have a signature record that is separate from the
+ * verity_signature record. The signature record does not actually contain a
+ * signature, rather it contains the size/offset of the hash tree, and a binary
+ * blob which contains the root hash and potentially a signature.
+ *
+ * If the file was created with a signature record, then this function simply
+ * returns.
+ *
+ * Otherwise it will create a signature record with a minimal binary blob as
+ * defined by the structure below, create space for the hash tree and then
+ * populate it using incfs_build_merkle_tree
+ */
+static int incfs_add_signature_record(struct file *f)
+{
+ /* See incfs_parse_signature */
+ struct {
+ __le32 version;
+ __le32 size_of_hash_info_section;
+ struct {
+ __le32 hash_algorithm;
+ u8 log2_blocksize;
+ __le32 salt_size;
+ u8 salt[0];
+ __le32 hash_size;
+ u8 root_hash[32];
+ } __packed hash_section;
+ __le32 size_of_signing_info_section;
+ u8 signing_info_section[0];
+ } __packed sig = {
+ .version = cpu_to_le32(INCFS_SIGNATURE_VERSION),
+ .size_of_hash_info_section =
+ cpu_to_le32(sizeof(sig.hash_section)),
+ .hash_section = {
+ .hash_algorithm = cpu_to_le32(INCFS_HASH_TREE_SHA256),
+ .log2_blocksize = ilog2(INCFS_DATA_FILE_BLOCK_SIZE),
+ .hash_size = cpu_to_le32(SHA256_DIGEST_SIZE),
+ },
+ };
+
+ struct data_file *df = get_incfs_data_file(f);
+ struct mtree *hash_tree = NULL;
+ struct backing_file_context *bfc;
+ int error;
+ loff_t hash_offset, sig_offset;
+ struct incfs_hash_alg *alg = incfs_get_hash_alg(INCFS_HASH_TREE_SHA256);
+ u8 hash_buf[INCFS_MAX_HASH_SIZE];
+ int hash_size = alg->digest_size;
+ struct mem_range hash = range(hash_buf, hash_size);
+ int result;
+ struct incfs_df_signature *signature = NULL;
+
+ if (!df)
+ return -EINVAL;
+
+ if (df->df_header_flags & INCFS_FILE_MAPPED)
+ return -EINVAL;
+
+ /* Already signed? */
+ if (df->df_signature && df->df_hash_tree)
+ return 0;
+
+ if (df->df_signature || df->df_hash_tree)
+ return -EFSCORRUPTED;
+
+ /* Add signature metadata record to file */
+ hash_tree = incfs_alloc_mtree(range((u8 *)&sig, sizeof(sig)),
+ df->df_data_block_count);
+ if (IS_ERR(hash_tree))
+ return PTR_ERR(hash_tree);
+
+ bfc = df->df_backing_file_context;
+ if (!bfc) {
+ error = -EFSCORRUPTED;
+ goto out;
+ }
+
+ error = mutex_lock_interruptible(&bfc->bc_mutex);
+ if (error)
+ goto out;
+
+ error = incfs_write_signature_to_backing_file(bfc,
+ range((u8 *)&sig, sizeof(sig)),
+ hash_tree->hash_tree_area_size,
+ &hash_offset, &sig_offset);
+ mutex_unlock(&bfc->bc_mutex);
+ if (error)
+ goto out;
+
+ /* Populate merkle tree */
+ error = incfs_build_merkle_tree(f, df, bfc, hash_tree, hash_offset, alg,
+ hash);
+ if (error)
+ goto out;
+
+ /* Update signature metadata record */
+ memcpy(sig.hash_section.root_hash, hash.data, alg->digest_size);
+ result = incfs_kwrite(bfc, &sig, sizeof(sig), sig_offset);
+ if (result < 0) {
+ error = result;
+ goto out;
+ }
+
+ if (result != sizeof(sig)) {
+ error = -EIO;
+ goto out;
+ }
+
+ /* Update in-memory records */
+ memcpy(hash_tree->root_hash, hash.data, alg->digest_size);
+ signature = kzalloc(sizeof(*signature), GFP_NOFS);
+ if (!signature) {
+ error = -ENOMEM;
+ goto out;
+ }
+ *signature = (struct incfs_df_signature) {
+ .hash_offset = hash_offset,
+ .hash_size = hash_tree->hash_tree_area_size,
+ .sig_offset = sig_offset,
+ .sig_size = sizeof(sig),
+ };
+ df->df_signature = signature;
+ signature = NULL;
+
+ /*
+ * Use memory barrier to prevent readpage seeing the hash tree until
+ * it's fully there
+ */
+ smp_store_release(&df->df_hash_tree, hash_tree);
+ hash_tree = NULL;
+
+out:
+ kfree(signature);
+ kfree(hash_tree);
+ return error;
+}
+
+static int incfs_enable_verity(struct file *filp,
+ const struct fsverity_enable_arg *arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct data_file *df = get_incfs_data_file(filp);
+ u8 *signature = NULL;
+ struct mem_range verity_file_digest = range(NULL, 0);
+ int err;
+
+ if (!df)
+ return -EFSCORRUPTED;
+
+ err = mutex_lock_interruptible(&df->df_enable_verity);
+ if (err)
+ return err;
+
+ if (IS_VERITY(inode)) {
+ err = -EEXIST;
+ goto out;
+ }
+
+ err = incfs_add_signature_record(filp);
+ if (err)
+ goto out;
+
+ /* Get the signature if the user provided one */
+ if (arg->sig_size) {
+ signature = memdup_user(u64_to_user_ptr(arg->sig_ptr),
+ arg->sig_size);
+ if (IS_ERR(signature)) {
+ err = PTR_ERR(signature);
+ signature = NULL;
+ goto out;
+ }
+ }
+
+ verity_file_digest = incfs_calc_verity_digest(inode, filp, signature,
+ arg->sig_size, arg->hash_algorithm);
+ if (IS_ERR(verity_file_digest.data)) {
+ err = PTR_ERR(verity_file_digest.data);
+ verity_file_digest.data = NULL;
+ goto out;
+ }
+
+ err = incfs_end_enable_verity(filp, signature, arg->sig_size);
+ if (err)
+ goto out;
+
+ /* Successfully enabled verity */
+ incfs_set_verity_digest(inode, verity_file_digest);
+ verity_file_digest.data = NULL;
+out:
+ mutex_unlock(&df->df_enable_verity);
+ kfree(signature);
+ kfree(verity_file_digest.data);
+ if (err)
+ pr_err("%s failed with err %d\n", __func__, err);
+ return err;
+}
+
+int incfs_ioctl_enable_verity(struct file *filp, const void __user *uarg)
+{
+ struct inode *inode = file_inode(filp);
+ struct fsverity_enable_arg arg;
+
+ if (copy_from_user(&arg, uarg, sizeof(arg)))
+ return -EFAULT;
+
+ if (arg.version != 1)
+ return -EINVAL;
+
+ if (arg.__reserved1 ||
+ memchr_inv(arg.__reserved2, 0, sizeof(arg.__reserved2)))
+ return -EINVAL;
+
+ if (arg.hash_algorithm != FS_VERITY_HASH_ALG_SHA256)
+ return -EINVAL;
+
+ if (arg.block_size != PAGE_SIZE)
+ return -EINVAL;
+
+ if (arg.salt_size)
+ return -EINVAL;
+
+ if (arg.sig_size > FS_VERITY_MAX_SIGNATURE_SIZE)
+ return -EMSGSIZE;
+
+ if (S_ISDIR(inode->i_mode))
+ return -EISDIR;
+
+ if (!S_ISREG(inode->i_mode))
+ return -EINVAL;
+
+ return incfs_enable_verity(filp, &arg);
+}
+
+static u8 *incfs_get_verity_signature(struct file *filp, size_t *sig_size)
+{
+ struct data_file *df = get_incfs_data_file(filp);
+ struct incfs_df_verity_signature *vs;
+ u8 *signature;
+ int res;
+
+ if (!df || !df->df_backing_file_context)
+ return ERR_PTR(-EFSCORRUPTED);
+
+ vs = df->df_verity_signature;
+ if (!vs) {
+ *sig_size = 0;
+ return NULL;
+ }
+
+ if (!vs->size) {
+ *sig_size = 0;
+ return ERR_PTR(-EFSCORRUPTED);
+ }
+
+ signature = kzalloc(vs->size, GFP_KERNEL);
+ if (!signature)
+ return ERR_PTR(-ENOMEM);
+
+ res = incfs_kread(df->df_backing_file_context,
+ signature, vs->size, vs->offset);
+
+ if (res < 0)
+ goto err_out;
+
+ if (res != vs->size) {
+ res = -EINVAL;
+ goto err_out;
+ }
+
+ *sig_size = vs->size;
+ return signature;
+
+err_out:
+ kfree(signature);
+ return ERR_PTR(res);
+}
+
+/* Ensure data_file->df_verity_file_digest is populated */
+static int ensure_verity_info(struct inode *inode, struct file *filp)
+{
+ struct mem_range verity_file_digest;
+ u8 *signature = NULL;
+ size_t sig_size;
+ int err = 0;
+
+ /* See if this file's verity file digest is already cached */
+ verity_file_digest = incfs_get_verity_digest(inode);
+ if (verity_file_digest.data)
+ return 0;
+
+ signature = incfs_get_verity_signature(filp, &sig_size);
+ if (IS_ERR(signature))
+ return PTR_ERR(signature);
+
+ verity_file_digest = incfs_calc_verity_digest(inode, filp, signature,
+ sig_size,
+ FS_VERITY_HASH_ALG_SHA256);
+ if (IS_ERR(verity_file_digest.data)) {
+ err = PTR_ERR(verity_file_digest.data);
+ goto out;
+ }
+
+ incfs_set_verity_digest(inode, verity_file_digest);
+
+out:
+ kfree(signature);
+ return err;
+}
+
+/**
+ * incfs_fsverity_file_open() - prepare to open a file that may be
+ * verity-enabled
+ * @inode: the inode being opened
+ * @filp: the struct file being set up
+ *
+ * When opening a verity file, set up data_file->df_verity_file_digest if not
+ * already done. Note that incfs does not allow opening for writing, so there is
+ * no need for that check.
+ *
+ * Return: 0 on success, -errno on failure
+ */
+int incfs_fsverity_file_open(struct inode *inode, struct file *filp)
+{
+ if (IS_VERITY(inode))
+ return ensure_verity_info(inode, filp);
+
+ return 0;
+}
+
+int incfs_ioctl_measure_verity(struct file *filp, void __user *_uarg)
+{
+ struct inode *inode = file_inode(filp);
+ struct mem_range verity_file_digest = incfs_get_verity_digest(inode);
+ struct fsverity_digest __user *uarg = _uarg;
+ struct fsverity_digest arg;
+
+ if (!verity_file_digest.data || !verity_file_digest.len)
+ return -ENODATA; /* not a verity file */
+
+ /*
+ * The user specifies the digest_size their buffer has space for; we can
+ * return the digest if it fits in the available space. We write back
+ * the actual size, which may be shorter than the user-specified size.
+ */
+
+ if (get_user(arg.digest_size, &uarg->digest_size))
+ return -EFAULT;
+ if (arg.digest_size < verity_file_digest.len)
+ return -EOVERFLOW;
+
+ memset(&arg, 0, sizeof(arg));
+ arg.digest_algorithm = FS_VERITY_HASH_ALG_SHA256;
+ arg.digest_size = verity_file_digest.len;
+
+ if (copy_to_user(uarg, &arg, sizeof(arg)))
+ return -EFAULT;
+
+ if (copy_to_user(uarg->digest, verity_file_digest.data,
+ verity_file_digest.len))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int incfs_read_merkle_tree(struct file *filp, void __user *buf,
+ u64 start_offset, int length)
+{
+ struct mem_range tmp_buf;
+ size_t offset;
+ int retval = 0;
+ int err = 0;
+ struct data_file *df = get_incfs_data_file(filp);
+
+ if (!df)
+ return -EINVAL;
+
+ tmp_buf = (struct mem_range) {
+ .data = kzalloc(INCFS_DATA_FILE_BLOCK_SIZE, GFP_NOFS),
+ .len = INCFS_DATA_FILE_BLOCK_SIZE,
+ };
+ if (!tmp_buf.data)
+ return -ENOMEM;
+
+ for (offset = start_offset; offset < start_offset + length;
+ offset += tmp_buf.len) {
+ err = incfs_read_merkle_tree_blocks(tmp_buf, df, offset);
+
+ if (err < 0)
+ break;
+
+ if (err != tmp_buf.len)
+ break;
+
+ if (copy_to_user(buf, tmp_buf.data, tmp_buf.len))
+ break;
+
+ buf += tmp_buf.len;
+ retval += tmp_buf.len;
+ }
+
+ kfree(tmp_buf.data);
+ return retval ? retval : err;
+}
+
+static int incfs_read_descriptor(struct file *filp,
+ void __user *buf, u64 offset, int length)
+{
+ int err;
+ struct fsverity_descriptor *desc = incfs_get_fsverity_descriptor(filp,
+ FS_VERITY_HASH_ALG_SHA256);
+
+ if (IS_ERR(desc))
+ return PTR_ERR(desc);
+ length = min_t(u64, length, sizeof(*desc));
+ err = copy_to_user(buf, desc, length);
+ kfree(desc);
+ return err ? err : length;
+}
+
+static int incfs_read_signature(struct file *filp,
+ void __user *buf, u64 offset, int length)
+{
+ size_t sig_size;
+ static u8 *signature;
+ int err;
+
+ signature = incfs_get_verity_signature(filp, &sig_size);
+ if (IS_ERR(signature))
+ return PTR_ERR(signature);
+
+ if (!signature)
+ return -ENODATA;
+
+ length = min_t(u64, length, sig_size);
+ err = copy_to_user(buf, signature, length);
+ kfree(signature);
+ return err ? err : length;
+}
+
+int incfs_ioctl_read_verity_metadata(struct file *filp,
+ const void __user *uarg)
+{
+ struct fsverity_read_metadata_arg arg;
+ int length;
+ void __user *buf;
+
+ if (copy_from_user(&arg, uarg, sizeof(arg)))
+ return -EFAULT;
+
+ if (arg.__reserved)
+ return -EINVAL;
+
+ /* offset + length must not overflow. */
+ if (arg.offset + arg.length < arg.offset)
+ return -EINVAL;
+
+ /* Ensure that the return value will fit in INT_MAX. */
+ length = min_t(u64, arg.length, INT_MAX);
+
+ buf = u64_to_user_ptr(arg.buf_ptr);
+
+ switch (arg.metadata_type) {
+ case FS_VERITY_METADATA_TYPE_MERKLE_TREE:
+ return incfs_read_merkle_tree(filp, buf, arg.offset, length);
+ case FS_VERITY_METADATA_TYPE_DESCRIPTOR:
+ return incfs_read_descriptor(filp, buf, arg.offset, length);
+ case FS_VERITY_METADATA_TYPE_SIGNATURE:
+ return incfs_read_signature(filp, buf, arg.offset, length);
+ default:
+ return -EINVAL;
+ }
+}
diff --git a/fs/incfs/verity.h b/fs/incfs/verity.h
new file mode 100644
index 0000000..8fcdbc8
--- /dev/null
+++ b/fs/incfs/verity.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020 Google LLC
+ */
+
+#ifndef _INCFS_VERITY_H
+#define _INCFS_VERITY_H
+
+/* Arbitrary limit to bound the kmalloc() size. Can be changed. */
+#define FS_VERITY_MAX_SIGNATURE_SIZE 16128
+
+#ifdef CONFIG_FS_VERITY
+
+int incfs_ioctl_enable_verity(struct file *filp, const void __user *uarg);
+int incfs_ioctl_measure_verity(struct file *filp, void __user *_uarg);
+
+int incfs_fsverity_file_open(struct inode *inode, struct file *filp);
+int incfs_ioctl_read_verity_metadata(struct file *filp,
+ const void __user *uarg);
+
+#else /* !CONFIG_FS_VERITY */
+
+static inline int incfs_ioctl_enable_verity(struct file *filp,
+ const void __user *uarg)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int incfs_ioctl_measure_verity(struct file *filp,
+ void __user *_uarg)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int incfs_fsverity_file_open(struct inode *inode,
+ struct file *filp)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int incfs_ioctl_read_verity_metadata(struct file *filp,
+ const void __user *uarg)
+{
+ return -EOPNOTSUPP;
+}
+
+#endif /* !CONFIG_FS_VERITY */
+
+#endif
diff --git a/fs/incfs/vfs.c b/fs/incfs/vfs.c
new file mode 100644
index 0000000..ea7866f
--- /dev/null
+++ b/fs/incfs/vfs.c
@@ -0,0 +1,1906 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+
+#include <linux/blkdev.h>
+#include <linux/compat.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/fs_stack.h>
+#include <linux/fsnotify.h>
+#include <linux/fsverity.h>
+#include <linux/mmap_lock.h>
+#include <linux/namei.h>
+#include <linux/parser.h>
+#include <linux/seq_file.h>
+
+#include <uapi/linux/incrementalfs.h>
+
+#include "vfs.h"
+
+#include "data_mgmt.h"
+#include "format.h"
+#include "internal.h"
+#include "pseudo_files.h"
+#include "sysfs.h"
+#include "verity.h"
+
+static int incfs_remount_fs(struct super_block *sb, int *flags, char *data);
+
+static int dentry_revalidate(struct dentry *dentry, unsigned int flags);
+static void dentry_release(struct dentry *d);
+
+static int iterate_incfs_dir(struct file *file, struct dir_context *ctx);
+static struct dentry *dir_lookup(struct inode *dir_inode,
+ struct dentry *dentry, unsigned int flags);
+static int dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
+static int dir_unlink(struct inode *dir, struct dentry *dentry);
+static int dir_link(struct dentry *old_dentry, struct inode *dir,
+ struct dentry *new_dentry);
+static int dir_rmdir(struct inode *dir, struct dentry *dentry);
+static int dir_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry);
+
+static int file_open(struct inode *inode, struct file *file);
+static int file_release(struct inode *inode, struct file *file);
+static int read_single_page(struct file *f, struct page *page);
+static long dispatch_ioctl(struct file *f, unsigned int req, unsigned long arg);
+
+#ifdef CONFIG_COMPAT
+static long incfs_compat_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg);
+#endif
+
+static struct inode *alloc_inode(struct super_block *sb);
+static void free_inode(struct inode *inode);
+static void evict_inode(struct inode *inode);
+
+static int incfs_setattr(struct dentry *dentry, struct iattr *ia);
+static int incfs_getattr(const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags);
+static ssize_t incfs_getxattr(struct dentry *d, const char *name,
+ void *value, size_t size);
+static ssize_t incfs_setxattr(struct dentry *d, const char *name,
+ const void *value, size_t size, int flags);
+static ssize_t incfs_listxattr(struct dentry *d, char *list, size_t size);
+
+static int show_options(struct seq_file *, struct dentry *);
+
+static const struct super_operations incfs_super_ops = {
+ .statfs = simple_statfs,
+ .remount_fs = incfs_remount_fs,
+ .alloc_inode = alloc_inode,
+ .destroy_inode = free_inode,
+ .evict_inode = evict_inode,
+ .show_options = show_options
+};
+
+static int dir_rename_wrap(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
+{
+ return dir_rename(old_dir, old_dentry, new_dir, new_dentry);
+}
+
+static const struct inode_operations incfs_dir_inode_ops = {
+ .lookup = dir_lookup,
+ .mkdir = dir_mkdir,
+ .rename = dir_rename_wrap,
+ .unlink = dir_unlink,
+ .link = dir_link,
+ .rmdir = dir_rmdir,
+ .setattr = incfs_setattr,
+};
+
+static const struct file_operations incfs_dir_fops = {
+ .llseek = generic_file_llseek,
+ .read = generic_read_dir,
+ .iterate = iterate_incfs_dir,
+ .open = file_open,
+ .release = file_release,
+};
+
+static const struct dentry_operations incfs_dentry_ops = {
+ .d_revalidate = dentry_revalidate,
+ .d_release = dentry_release
+};
+
+static const struct address_space_operations incfs_address_space_ops = {
+ .readpage = read_single_page,
+ /* .readpages = readpages */
+};
+
+static vm_fault_t incfs_fault(struct vm_fault *vmf)
+{
+ vmf->flags &= ~FAULT_FLAG_ALLOW_RETRY;
+ return filemap_fault(vmf);
+}
+
+static const struct vm_operations_struct incfs_file_vm_ops = {
+ .fault = incfs_fault,
+ .map_pages = filemap_map_pages,
+ .page_mkwrite = filemap_page_mkwrite,
+};
+
+/* This is used for a general mmap of a disk file */
+
+static int incfs_file_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct address_space *mapping = file->f_mapping;
+
+ if (!mapping->a_ops->readpage)
+ return -ENOEXEC;
+ file_accessed(file);
+ vma->vm_ops = &incfs_file_vm_ops;
+ return 0;
+}
+
+const struct file_operations incfs_file_ops = {
+ .open = file_open,
+ .release = file_release,
+ .read_iter = generic_file_read_iter,
+ .mmap = incfs_file_mmap,
+ .splice_read = generic_file_splice_read,
+ .llseek = generic_file_llseek,
+ .unlocked_ioctl = dispatch_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = incfs_compat_ioctl,
+#endif
+};
+
+const struct inode_operations incfs_file_inode_ops = {
+ .setattr = incfs_setattr,
+ .getattr = incfs_getattr,
+ .listxattr = incfs_listxattr
+};
+
+static int incfs_handler_getxattr(const struct xattr_handler *xh,
+ struct dentry *d, struct inode *inode,
+ const char *name, void *buffer, size_t size,
+ int flags)
+{
+ return incfs_getxattr(d, name, buffer, size);
+}
+
+static int incfs_handler_setxattr(const struct xattr_handler *xh,
+ struct dentry *d, struct inode *inode,
+ const char *name, const void *buffer,
+ size_t size, int flags)
+{
+ return incfs_setxattr(d, name, buffer, size, flags);
+}
+
+static const struct xattr_handler incfs_xattr_handler = {
+ .prefix = "", /* AKA all attributes */
+ .get = incfs_handler_getxattr,
+ .set = incfs_handler_setxattr,
+};
+
+static const struct xattr_handler *incfs_xattr_ops[] = {
+ &incfs_xattr_handler,
+ NULL,
+};
+
+struct inode_search {
+ unsigned long ino;
+
+ struct dentry *backing_dentry;
+
+ size_t size;
+
+ bool verity;
+};
+
+enum parse_parameter {
+ Opt_read_timeout,
+ Opt_readahead_pages,
+ Opt_rlog_pages,
+ Opt_rlog_wakeup_cnt,
+ Opt_report_uid,
+ Opt_sysfs_name,
+ Opt_err
+};
+
+static const match_table_t option_tokens = {
+ { Opt_read_timeout, "read_timeout_ms=%u" },
+ { Opt_readahead_pages, "readahead=%u" },
+ { Opt_rlog_pages, "rlog_pages=%u" },
+ { Opt_rlog_wakeup_cnt, "rlog_wakeup_cnt=%u" },
+ { Opt_report_uid, "report_uid" },
+ { Opt_sysfs_name, "sysfs_name=%s" },
+ { Opt_err, NULL }
+};
+
+static void free_options(struct mount_options *opts)
+{
+ kfree(opts->sysfs_name);
+ opts->sysfs_name = NULL;
+}
+
+static int parse_options(struct mount_options *opts, char *str)
+{
+ substring_t args[MAX_OPT_ARGS];
+ int value;
+ char *position;
+
+ if (opts == NULL)
+ return -EFAULT;
+
+ *opts = (struct mount_options) {
+ .read_timeout_ms = 1000, /* Default: 1s */
+ .readahead_pages = 10,
+ .read_log_pages = 2,
+ .read_log_wakeup_count = 10,
+ };
+
+ if (str == NULL || *str == 0)
+ return 0;
+
+ while ((position = strsep(&str, ",")) != NULL) {
+ int token;
+
+ if (!*position)
+ continue;
+
+ token = match_token(position, option_tokens, args);
+
+ switch (token) {
+ case Opt_read_timeout:
+ if (match_int(&args[0], &value))
+ return -EINVAL;
+ if (value > 3600000)
+ return -EINVAL;
+ opts->read_timeout_ms = value;
+ break;
+ case Opt_readahead_pages:
+ if (match_int(&args[0], &value))
+ return -EINVAL;
+ opts->readahead_pages = value;
+ break;
+ case Opt_rlog_pages:
+ if (match_int(&args[0], &value))
+ return -EINVAL;
+ opts->read_log_pages = value;
+ break;
+ case Opt_rlog_wakeup_cnt:
+ if (match_int(&args[0], &value))
+ return -EINVAL;
+ opts->read_log_wakeup_count = value;
+ break;
+ case Opt_report_uid:
+ opts->report_uid = true;
+ break;
+ case Opt_sysfs_name:
+ opts->sysfs_name = match_strdup(&args[0]);
+ break;
+ default:
+ free_options(opts);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+/* Read file size from the attribute. Quicker than reading the header */
+static u64 read_size_attr(struct dentry *backing_dentry)
+{
+ __le64 attr_value;
+ ssize_t bytes_read;
+
+ bytes_read = vfs_getxattr(backing_dentry, INCFS_XATTR_SIZE_NAME,
+ (char *)&attr_value, sizeof(attr_value));
+
+ if (bytes_read != sizeof(attr_value))
+ return 0;
+
+ return le64_to_cpu(attr_value);
+}
+
+/* Read verity flag from the attribute. Quicker than reading the header */
+static bool read_verity_attr(struct dentry *backing_dentry)
+{
+ return vfs_getxattr(backing_dentry, INCFS_XATTR_VERITY_NAME, NULL, 0)
+ >= 0;
+}
+
+static int inode_test(struct inode *inode, void *opaque)
+{
+ struct inode_search *search = opaque;
+ struct inode_info *node = get_incfs_node(inode);
+ struct inode *backing_inode = d_inode(search->backing_dentry);
+
+ if (!node)
+ return 0;
+
+ return node->n_backing_inode == backing_inode &&
+ inode->i_ino == search->ino;
+}
+
+static int inode_set(struct inode *inode, void *opaque)
+{
+ struct inode_search *search = opaque;
+ struct inode_info *node = get_incfs_node(inode);
+ struct dentry *backing_dentry = search->backing_dentry;
+ struct inode *backing_inode = d_inode(backing_dentry);
+
+ fsstack_copy_attr_all(inode, backing_inode);
+ if (S_ISREG(inode->i_mode)) {
+ u64 size = search->size;
+
+ inode->i_size = size;
+ inode->i_blocks = get_blocks_count_for_size(size);
+ inode->i_mapping->a_ops = &incfs_address_space_ops;
+ inode->i_op = &incfs_file_inode_ops;
+ inode->i_fop = &incfs_file_ops;
+ inode->i_mode &= ~0222;
+ if (search->verity)
+ inode_set_flags(inode, S_VERITY, S_VERITY);
+ } else if (S_ISDIR(inode->i_mode)) {
+ inode->i_size = 0;
+ inode->i_blocks = 1;
+ inode->i_mapping->a_ops = &incfs_address_space_ops;
+ inode->i_op = &incfs_dir_inode_ops;
+ inode->i_fop = &incfs_dir_fops;
+ } else {
+ pr_warn_once("incfs: Unexpected inode type\n");
+ return -EBADF;
+ }
+
+ ihold(backing_inode);
+ node->n_backing_inode = backing_inode;
+ node->n_mount_info = get_mount_info(inode->i_sb);
+ inode->i_ctime = backing_inode->i_ctime;
+ inode->i_mtime = backing_inode->i_mtime;
+ inode->i_atime = backing_inode->i_atime;
+ inode->i_ino = backing_inode->i_ino;
+ if (backing_inode->i_ino < INCFS_START_INO_RANGE) {
+ pr_warn("incfs: ino conflict with backing FS %ld\n",
+ backing_inode->i_ino);
+ }
+
+ return 0;
+}
+
+static struct inode *fetch_regular_inode(struct super_block *sb,
+ struct dentry *backing_dentry)
+{
+ struct inode *backing_inode = d_inode(backing_dentry);
+ struct inode_search search = {
+ .ino = backing_inode->i_ino,
+ .backing_dentry = backing_dentry,
+ .size = read_size_attr(backing_dentry),
+ .verity = read_verity_attr(backing_dentry),
+ };
+ struct inode *inode = iget5_locked(sb, search.ino, inode_test,
+ inode_set, &search);
+
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
+
+ if (inode->i_state & I_NEW)
+ unlock_new_inode(inode);
+
+ return inode;
+}
+
+static int iterate_incfs_dir(struct file *file, struct dir_context *ctx)
+{
+ struct dir_file *dir = get_incfs_dir_file(file);
+ int error = 0;
+ struct mount_info *mi = get_mount_info(file_superblock(file));
+ bool root;
+
+ if (!dir) {
+ error = -EBADF;
+ goto out;
+ }
+
+ root = dir->backing_dir->f_inode
+ == d_inode(mi->mi_backing_dir_path.dentry);
+
+ if (root) {
+ error = emit_pseudo_files(ctx);
+ if (error)
+ goto out;
+ }
+
+ ctx->pos -= PSEUDO_FILE_COUNT;
+ error = iterate_dir(dir->backing_dir, ctx);
+ ctx->pos += PSEUDO_FILE_COUNT;
+ file->f_pos = dir->backing_dir->f_pos;
+out:
+ if (error)
+ pr_warn("incfs: %s %s %d\n", __func__,
+ file->f_path.dentry->d_name.name, error);
+ return error;
+}
+
+static int incfs_init_dentry(struct dentry *dentry, struct path *path)
+{
+ struct dentry_info *d_info = NULL;
+
+ if (!dentry || !path)
+ return -EFAULT;
+
+ d_info = kzalloc(sizeof(*d_info), GFP_NOFS);
+ if (!d_info)
+ return -ENOMEM;
+
+ d_info->backing_path = *path;
+ path_get(path);
+
+ dentry->d_fsdata = d_info;
+ return 0;
+}
+
+static struct dentry *open_or_create_special_dir(struct dentry *backing_dir,
+ const char *name)
+{
+ struct dentry *index_dentry;
+ struct inode *backing_inode = d_inode(backing_dir);
+ int err = 0;
+
+ index_dentry = incfs_lookup_dentry(backing_dir, name);
+ if (!index_dentry) {
+ return ERR_PTR(-EINVAL);
+ } else if (IS_ERR(index_dentry)) {
+ return index_dentry;
+ } else if (d_really_is_positive(index_dentry)) {
+ /* Index already exists. */
+ return index_dentry;
+ }
+
+ /* Index needs to be created. */
+ inode_lock_nested(backing_inode, I_MUTEX_PARENT);
+ err = vfs_mkdir(backing_inode, index_dentry, 0777);
+ inode_unlock(backing_inode);
+
+ if (err) {
+ dput(index_dentry);
+ return ERR_PTR(err);
+ }
+
+ if (!d_really_is_positive(index_dentry) ||
+ unlikely(d_unhashed(index_dentry))) {
+ dput(index_dentry);
+ return ERR_PTR(-EINVAL);
+ }
+
+ return index_dentry;
+}
+
+static int read_single_page_timeouts(struct data_file *df, struct file *f,
+ int block_index, struct mem_range range,
+ struct mem_range tmp)
+{
+ struct mount_info *mi = df->df_mount_info;
+ struct incfs_read_data_file_timeouts timeouts = {
+ .max_pending_time_us = U32_MAX,
+ };
+ int uid = current_uid().val;
+ int i;
+
+ spin_lock(&mi->mi_per_uid_read_timeouts_lock);
+ for (i = 0; i < mi->mi_per_uid_read_timeouts_size /
+ sizeof(*mi->mi_per_uid_read_timeouts); ++i) {
+ struct incfs_per_uid_read_timeouts *t =
+ &mi->mi_per_uid_read_timeouts[i];
+
+ if(t->uid == uid) {
+ timeouts.min_time_us = t->min_time_us;
+ timeouts.min_pending_time_us = t->min_pending_time_us;
+ timeouts.max_pending_time_us = t->max_pending_time_us;
+ break;
+ }
+ }
+ spin_unlock(&mi->mi_per_uid_read_timeouts_lock);
+ if (timeouts.max_pending_time_us == U32_MAX) {
+ u64 read_timeout_us = (u64)mi->mi_options.read_timeout_ms *
+ 1000;
+
+ timeouts.max_pending_time_us = read_timeout_us <= U32_MAX ?
+ read_timeout_us : U32_MAX;
+ }
+
+ return incfs_read_data_file_block(range, f, block_index, tmp,
+ &timeouts);
+}
+
+static int read_single_page(struct file *f, struct page *page)
+{
+ loff_t offset = 0;
+ loff_t size = 0;
+ ssize_t bytes_to_read = 0;
+ ssize_t read_result = 0;
+ struct data_file *df = get_incfs_data_file(f);
+ int result = 0;
+ void *page_start;
+ int block_index;
+
+ if (!df) {
+ SetPageError(page);
+ unlock_page(page);
+ return -EBADF;
+ }
+
+ page_start = kmap(page);
+ offset = page_offset(page);
+ block_index = (offset + df->df_mapped_offset) /
+ INCFS_DATA_FILE_BLOCK_SIZE;
+ size = df->df_size;
+
+ if (offset < size) {
+ struct mem_range tmp = {
+ .len = 2 * INCFS_DATA_FILE_BLOCK_SIZE
+ };
+ tmp.data = (u8 *)__get_free_pages(GFP_NOFS, get_order(tmp.len));
+ if (!tmp.data) {
+ read_result = -ENOMEM;
+ goto err;
+ }
+ bytes_to_read = min_t(loff_t, size - offset, PAGE_SIZE);
+
+ read_result = read_single_page_timeouts(df, f, block_index,
+ range(page_start, bytes_to_read), tmp);
+
+ free_pages((unsigned long)tmp.data, get_order(tmp.len));
+ } else {
+ bytes_to_read = 0;
+ read_result = 0;
+ }
+
+err:
+ if (read_result < 0)
+ result = read_result;
+ else if (read_result < PAGE_SIZE)
+ zero_user(page, read_result, PAGE_SIZE - read_result);
+
+ if (result == 0)
+ SetPageUptodate(page);
+ else
+ SetPageError(page);
+
+ flush_dcache_page(page);
+ kunmap(page);
+ unlock_page(page);
+ return result;
+}
+
+int incfs_link(struct dentry *what, struct dentry *where)
+{
+ struct dentry *parent_dentry = dget_parent(where);
+ struct inode *pinode = d_inode(parent_dentry);
+ int error = 0;
+
+ inode_lock_nested(pinode, I_MUTEX_PARENT);
+ error = vfs_link(what, pinode, where, NULL);
+ inode_unlock(pinode);
+
+ dput(parent_dentry);
+ return error;
+}
+
+int incfs_unlink(struct dentry *dentry)
+{
+ struct dentry *parent_dentry = dget_parent(dentry);
+ struct inode *pinode = d_inode(parent_dentry);
+ int error = 0;
+
+ inode_lock_nested(pinode, I_MUTEX_PARENT);
+ error = vfs_unlink(pinode, dentry, NULL);
+ inode_unlock(pinode);
+
+ dput(parent_dentry);
+ return error;
+}
+
+static int incfs_rmdir(struct dentry *dentry)
+{
+ struct dentry *parent_dentry = dget_parent(dentry);
+ struct inode *pinode = d_inode(parent_dentry);
+ int error = 0;
+
+ inode_lock_nested(pinode, I_MUTEX_PARENT);
+ error = vfs_rmdir(pinode, dentry);
+ inode_unlock(pinode);
+
+ dput(parent_dentry);
+ return error;
+}
+
+static void notify_unlink(struct dentry *dentry, const char *file_id_str,
+ const char *special_directory)
+{
+ struct dentry *root = dentry;
+ struct dentry *file = NULL;
+ struct dentry *dir = NULL;
+ int error = 0;
+ bool take_lock = root->d_parent != root->d_parent->d_parent;
+
+ while (root != root->d_parent)
+ root = root->d_parent;
+
+ if (take_lock)
+ dir = incfs_lookup_dentry(root, special_directory);
+ else
+ dir = lookup_one_len(special_directory, root,
+ strlen(special_directory));
+
+ if (IS_ERR(dir)) {
+ error = PTR_ERR(dir);
+ goto out;
+ }
+ if (d_is_negative(dir)) {
+ error = -ENOENT;
+ goto out;
+ }
+
+ file = incfs_lookup_dentry(dir, file_id_str);
+ if (IS_ERR(file)) {
+ error = PTR_ERR(file);
+ goto out;
+ }
+ if (d_is_negative(file)) {
+ error = -ENOENT;
+ goto out;
+ }
+
+ fsnotify_unlink(d_inode(dir), file);
+ d_delete(file);
+
+out:
+ if (error)
+ pr_warn("%s failed with error %d\n", __func__, error);
+
+ dput(dir);
+ dput(file);
+}
+
+static void maybe_delete_incomplete_file(struct file *f,
+ struct data_file *df)
+{
+ struct backing_file_context *bfc;
+ struct mount_info *mi = df->df_mount_info;
+ char *file_id_str = NULL;
+ struct dentry *incomplete_file_dentry = NULL;
+ const struct cred *old_cred = override_creds(mi->mi_owner);
+ int error;
+
+ if (atomic_read(&df->df_data_blocks_written) < df->df_data_block_count)
+ goto out;
+
+ /* Truncate file to remove any preallocated space */
+ bfc = df->df_backing_file_context;
+ if (bfc) {
+ struct file *f = bfc->bc_file;
+
+ if (f) {
+ loff_t size = i_size_read(file_inode(f));
+
+ error = vfs_truncate(&f->f_path, size);
+ if (error)
+ /* No useful action on failure */
+ pr_warn("incfs: Failed to truncate complete file: %d\n",
+ error);
+ }
+ }
+
+ /* This is best effort - there is no useful action to take on failure */
+ file_id_str = file_id_to_str(df->df_id);
+ if (!file_id_str)
+ goto out;
+
+ incomplete_file_dentry = incfs_lookup_dentry(
+ df->df_mount_info->mi_incomplete_dir,
+ file_id_str);
+ if (!incomplete_file_dentry || IS_ERR(incomplete_file_dentry)) {
+ incomplete_file_dentry = NULL;
+ goto out;
+ }
+
+ if (!d_really_is_positive(incomplete_file_dentry))
+ goto out;
+
+ vfs_fsync(df->df_backing_file_context->bc_file, 0);
+ error = incfs_unlink(incomplete_file_dentry);
+ if (error) {
+ pr_warn("incfs: Deleting incomplete file failed: %d\n", error);
+ goto out;
+ }
+
+ notify_unlink(f->f_path.dentry, file_id_str, INCFS_INCOMPLETE_NAME);
+
+out:
+ dput(incomplete_file_dentry);
+ kfree(file_id_str);
+ revert_creds(old_cred);
+}
+
+static long ioctl_fill_blocks(struct file *f, void __user *arg)
+{
+ struct incfs_fill_blocks __user *usr_fill_blocks = arg;
+ struct incfs_fill_blocks fill_blocks;
+ struct incfs_fill_block __user *usr_fill_block_array;
+ struct data_file *df = get_incfs_data_file(f);
+ struct incfs_file_data *fd = f->private_data;
+ const ssize_t data_buf_size = 2 * INCFS_DATA_FILE_BLOCK_SIZE;
+ u8 *data_buf = NULL;
+ ssize_t error = 0;
+ int i = 0;
+
+ if (!df)
+ return -EBADF;
+
+ if (!fd || fd->fd_fill_permission != CAN_FILL)
+ return -EPERM;
+
+ if (copy_from_user(&fill_blocks, usr_fill_blocks, sizeof(fill_blocks)))
+ return -EFAULT;
+
+ usr_fill_block_array = u64_to_user_ptr(fill_blocks.fill_blocks);
+ data_buf = (u8 *)__get_free_pages(GFP_NOFS | __GFP_COMP,
+ get_order(data_buf_size));
+ if (!data_buf)
+ return -ENOMEM;
+
+ for (i = 0; i < fill_blocks.count; i++) {
+ struct incfs_fill_block fill_block = {};
+
+ if (copy_from_user(&fill_block, &usr_fill_block_array[i],
+ sizeof(fill_block)) > 0) {
+ error = -EFAULT;
+ break;
+ }
+
+ if (fill_block.data_len > data_buf_size) {
+ error = -E2BIG;
+ break;
+ }
+
+ if (copy_from_user(data_buf, u64_to_user_ptr(fill_block.data),
+ fill_block.data_len) > 0) {
+ error = -EFAULT;
+ break;
+ }
+ fill_block.data = 0; /* To make sure nobody uses it. */
+ if (fill_block.flags & INCFS_BLOCK_FLAGS_HASH) {
+ error = incfs_process_new_hash_block(df, &fill_block,
+ data_buf);
+ } else {
+ error = incfs_process_new_data_block(df, &fill_block,
+ data_buf);
+ }
+ if (error)
+ break;
+ }
+
+ if (data_buf)
+ free_pages((unsigned long)data_buf, get_order(data_buf_size));
+
+ maybe_delete_incomplete_file(f, df);
+
+ /*
+ * Only report the error if no records were processed, otherwise
+ * just return how many were processed successfully.
+ */
+ if (i == 0)
+ return error;
+
+ return i;
+}
+
+static long ioctl_read_file_signature(struct file *f, void __user *arg)
+{
+ struct incfs_get_file_sig_args __user *args_usr_ptr = arg;
+ struct incfs_get_file_sig_args args = {};
+ u8 *sig_buffer = NULL;
+ size_t sig_buf_size = 0;
+ int error = 0;
+ int read_result = 0;
+ struct data_file *df = get_incfs_data_file(f);
+
+ if (!df)
+ return -EINVAL;
+
+ if (copy_from_user(&args, args_usr_ptr, sizeof(args)) > 0)
+ return -EINVAL;
+
+ sig_buf_size = args.file_signature_buf_size;
+ if (sig_buf_size > INCFS_MAX_SIGNATURE_SIZE)
+ return -E2BIG;
+
+ sig_buffer = kzalloc(sig_buf_size, GFP_NOFS | __GFP_COMP);
+ if (!sig_buffer)
+ return -ENOMEM;
+
+ read_result = incfs_read_file_signature(df,
+ range(sig_buffer, sig_buf_size));
+
+ if (read_result < 0) {
+ error = read_result;
+ goto out;
+ }
+
+ if (copy_to_user(u64_to_user_ptr(args.file_signature), sig_buffer,
+ read_result)) {
+ error = -EFAULT;
+ goto out;
+ }
+
+ args.file_signature_len_out = read_result;
+ if (copy_to_user(args_usr_ptr, &args, sizeof(args)))
+ error = -EFAULT;
+
+out:
+ kfree(sig_buffer);
+
+ return error;
+}
+
+static long ioctl_get_filled_blocks(struct file *f, void __user *arg)
+{
+ struct incfs_get_filled_blocks_args __user *args_usr_ptr = arg;
+ struct incfs_get_filled_blocks_args args = {};
+ struct data_file *df = get_incfs_data_file(f);
+ struct incfs_file_data *fd = f->private_data;
+ int error;
+
+ if (!df || !fd)
+ return -EINVAL;
+
+ if (fd->fd_fill_permission != CAN_FILL)
+ return -EPERM;
+
+ if (copy_from_user(&args, args_usr_ptr, sizeof(args)) > 0)
+ return -EINVAL;
+
+ error = incfs_get_filled_blocks(df, fd, &args);
+
+ if (copy_to_user(args_usr_ptr, &args, sizeof(args)))
+ return -EFAULT;
+
+ return error;
+}
+
+static long ioctl_get_block_count(struct file *f, void __user *arg)
+{
+ struct incfs_get_block_count_args __user *args_usr_ptr = arg;
+ struct incfs_get_block_count_args args = {};
+ struct data_file *df = get_incfs_data_file(f);
+
+ if (!df)
+ return -EINVAL;
+
+ args.total_data_blocks_out = df->df_data_block_count;
+ args.filled_data_blocks_out = atomic_read(&df->df_data_blocks_written);
+ args.total_hash_blocks_out = df->df_total_block_count -
+ df->df_data_block_count;
+ args.filled_hash_blocks_out = atomic_read(&df->df_hash_blocks_written);
+
+ if (copy_to_user(args_usr_ptr, &args, sizeof(args)))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int incfs_ioctl_get_flags(struct file *f, void __user *arg)
+{
+ u32 flags = IS_VERITY(file_inode(f)) ? FS_VERITY_FL : 0;
+
+ return put_user(flags, (int __user *) arg);
+}
+
+static long dispatch_ioctl(struct file *f, unsigned int req, unsigned long arg)
+{
+ switch (req) {
+ case INCFS_IOC_FILL_BLOCKS:
+ return ioctl_fill_blocks(f, (void __user *)arg);
+ case INCFS_IOC_READ_FILE_SIGNATURE:
+ return ioctl_read_file_signature(f, (void __user *)arg);
+ case INCFS_IOC_GET_FILLED_BLOCKS:
+ return ioctl_get_filled_blocks(f, (void __user *)arg);
+ case INCFS_IOC_GET_BLOCK_COUNT:
+ return ioctl_get_block_count(f, (void __user *)arg);
+ case FS_IOC_ENABLE_VERITY:
+ return incfs_ioctl_enable_verity(f, (const void __user *)arg);
+ case FS_IOC_GETFLAGS:
+ return incfs_ioctl_get_flags(f, (void __user *) arg);
+ case FS_IOC_MEASURE_VERITY:
+ return incfs_ioctl_measure_verity(f, (void __user *)arg);
+ case FS_IOC_READ_VERITY_METADATA:
+ return incfs_ioctl_read_verity_metadata(f, (void __user *)arg);
+ default:
+ return -EINVAL;
+ }
+}
+
+#ifdef CONFIG_COMPAT
+static long incfs_compat_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ switch (cmd) {
+ case FS_IOC32_GETFLAGS:
+ cmd = FS_IOC_GETFLAGS;
+ break;
+ case INCFS_IOC_FILL_BLOCKS:
+ case INCFS_IOC_READ_FILE_SIGNATURE:
+ case INCFS_IOC_GET_FILLED_BLOCKS:
+ case INCFS_IOC_GET_BLOCK_COUNT:
+ case FS_IOC_ENABLE_VERITY:
+ case FS_IOC_MEASURE_VERITY:
+ case FS_IOC_READ_VERITY_METADATA:
+ break;
+ default:
+ return -ENOIOCTLCMD;
+ }
+ return dispatch_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
+}
+#endif
+
+static struct dentry *dir_lookup(struct inode *dir_inode, struct dentry *dentry,
+ unsigned int flags)
+{
+ struct mount_info *mi = get_mount_info(dir_inode->i_sb);
+ struct dentry *dir_dentry = NULL;
+ struct dentry *backing_dentry = NULL;
+ struct path dir_backing_path = {};
+ struct inode_info *dir_info = get_incfs_node(dir_inode);
+ int err = 0;
+
+ if (!mi || !dir_info || !dir_info->n_backing_inode)
+ return ERR_PTR(-EBADF);
+
+ if (d_inode(mi->mi_backing_dir_path.dentry) ==
+ dir_info->n_backing_inode) {
+ /* We do lookup in the FS root. Show pseudo files. */
+ err = dir_lookup_pseudo_files(dir_inode->i_sb, dentry);
+ if (err != -ENOENT)
+ goto out;
+ err = 0;
+ }
+
+ dir_dentry = dget_parent(dentry);
+ get_incfs_backing_path(dir_dentry, &dir_backing_path);
+ backing_dentry = incfs_lookup_dentry(dir_backing_path.dentry,
+ dentry->d_name.name);
+
+ if (!backing_dentry || IS_ERR(backing_dentry)) {
+ err = IS_ERR(backing_dentry)
+ ? PTR_ERR(backing_dentry)
+ : -EFAULT;
+ backing_dentry = NULL;
+ goto out;
+ } else {
+ struct inode *inode = NULL;
+ struct path backing_path = {
+ .mnt = dir_backing_path.mnt,
+ .dentry = backing_dentry
+ };
+
+ err = incfs_init_dentry(dentry, &backing_path);
+ if (err)
+ goto out;
+
+ if (!d_really_is_positive(backing_dentry)) {
+ /*
+ * No such entry found in the backing dir.
+ * Create a negative entry.
+ */
+ d_add(dentry, NULL);
+ err = 0;
+ goto out;
+ }
+
+ if (d_inode(backing_dentry)->i_sb !=
+ dir_info->n_backing_inode->i_sb) {
+ /*
+ * Somehow after the path lookup we ended up in a
+ * different fs mount. If we keep going it's going
+ * to end badly.
+ */
+ err = -EXDEV;
+ goto out;
+ }
+
+ inode = fetch_regular_inode(dir_inode->i_sb, backing_dentry);
+ if (IS_ERR(inode)) {
+ err = PTR_ERR(inode);
+ goto out;
+ }
+
+ d_add(dentry, inode);
+ }
+
+out:
+ dput(dir_dentry);
+ dput(backing_dentry);
+ path_put(&dir_backing_path);
+ if (err)
+ pr_debug("incfs: %s %s %d\n", __func__,
+ dentry->d_name.name, err);
+ return ERR_PTR(err);
+}
+
+static int dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+ struct mount_info *mi = get_mount_info(dir->i_sb);
+ struct inode_info *dir_node = get_incfs_node(dir);
+ struct dentry *backing_dentry = NULL;
+ struct path backing_path = {};
+ int err = 0;
+
+
+ if (!mi || !dir_node || !dir_node->n_backing_inode)
+ return -EBADF;
+
+ err = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+ if (err)
+ return err;
+
+ get_incfs_backing_path(dentry, &backing_path);
+ backing_dentry = backing_path.dentry;
+
+ if (!backing_dentry) {
+ err = -EBADF;
+ goto path_err;
+ }
+
+ if (backing_dentry->d_parent == mi->mi_index_dir) {
+ /* Can't create a subdir inside .index */
+ err = -EBUSY;
+ goto out;
+ }
+
+ if (backing_dentry->d_parent == mi->mi_incomplete_dir) {
+ /* Can't create a subdir inside .incomplete */
+ err = -EBUSY;
+ goto out;
+ }
+ inode_lock_nested(dir_node->n_backing_inode, I_MUTEX_PARENT);
+ err = vfs_mkdir(dir_node->n_backing_inode, backing_dentry, mode | 0222);
+ inode_unlock(dir_node->n_backing_inode);
+ if (!err) {
+ struct inode *inode = NULL;
+
+ if (d_really_is_negative(backing_dentry) ||
+ unlikely(d_unhashed(backing_dentry))) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ inode = fetch_regular_inode(dir->i_sb, backing_dentry);
+ if (IS_ERR(inode)) {
+ err = PTR_ERR(inode);
+ goto out;
+ }
+ d_instantiate(dentry, inode);
+ }
+
+out:
+ if (d_really_is_negative(dentry))
+ d_drop(dentry);
+ path_put(&backing_path);
+
+path_err:
+ mutex_unlock(&mi->mi_dir_struct_mutex);
+ if (err)
+ pr_debug("incfs: %s err:%d\n", __func__, err);
+ return err;
+}
+
+/*
+ * Delete file referenced by backing_dentry and if appropriate its hardlink
+ * from .index and .incomplete
+ */
+static int file_delete(struct mount_info *mi, struct dentry *dentry,
+ struct dentry *backing_dentry, int nlink)
+{
+ struct dentry *index_file_dentry = NULL;
+ struct dentry *incomplete_file_dentry = NULL;
+ /* 2 chars per byte of file ID + 1 char for \0 */
+ char file_id_str[2 * sizeof(incfs_uuid_t) + 1] = {0};
+ ssize_t uuid_size = 0;
+ int error = 0;
+
+ WARN_ON(!mutex_is_locked(&mi->mi_dir_struct_mutex));
+
+ if (nlink > 3)
+ goto just_unlink;
+
+ uuid_size = vfs_getxattr(backing_dentry, INCFS_XATTR_ID_NAME,
+ file_id_str, 2 * sizeof(incfs_uuid_t));
+ if (uuid_size < 0) {
+ error = uuid_size;
+ goto out;
+ }
+
+ if (uuid_size != 2 * sizeof(incfs_uuid_t)) {
+ error = -EBADMSG;
+ goto out;
+ }
+
+ index_file_dentry = incfs_lookup_dentry(mi->mi_index_dir, file_id_str);
+ if (IS_ERR(index_file_dentry)) {
+ error = PTR_ERR(index_file_dentry);
+ index_file_dentry = NULL;
+ goto out;
+ }
+
+ if (d_really_is_positive(index_file_dentry) && nlink > 0)
+ nlink--;
+
+ if (nlink > 2)
+ goto just_unlink;
+
+ incomplete_file_dentry = incfs_lookup_dentry(mi->mi_incomplete_dir,
+ file_id_str);
+ if (IS_ERR(incomplete_file_dentry)) {
+ error = PTR_ERR(incomplete_file_dentry);
+ incomplete_file_dentry = NULL;
+ goto out;
+ }
+
+ if (d_really_is_positive(incomplete_file_dentry) && nlink > 0)
+ nlink--;
+
+ if (nlink > 1)
+ goto just_unlink;
+
+ if (d_really_is_positive(index_file_dentry)) {
+ error = incfs_unlink(index_file_dentry);
+ if (error)
+ goto out;
+ notify_unlink(dentry, file_id_str, INCFS_INDEX_NAME);
+ }
+
+ if (d_really_is_positive(incomplete_file_dentry)) {
+ error = incfs_unlink(incomplete_file_dentry);
+ if (error)
+ goto out;
+ notify_unlink(dentry, file_id_str, INCFS_INCOMPLETE_NAME);
+ }
+
+just_unlink:
+ error = incfs_unlink(backing_dentry);
+
+out:
+ dput(index_file_dentry);
+ dput(incomplete_file_dentry);
+ if (error)
+ pr_debug("incfs: delete_file_from_index err:%d\n", error);
+ return error;
+}
+
+static int dir_unlink(struct inode *dir, struct dentry *dentry)
+{
+ struct mount_info *mi = get_mount_info(dir->i_sb);
+ struct path backing_path = {};
+ struct kstat stat;
+ int err = 0;
+
+ if (!mi)
+ return -EBADF;
+
+ err = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+ if (err)
+ return err;
+
+ get_incfs_backing_path(dentry, &backing_path);
+ if (!backing_path.dentry) {
+ err = -EBADF;
+ goto path_err;
+ }
+
+ if (backing_path.dentry->d_parent == mi->mi_index_dir) {
+ /* Direct unlink from .index are not allowed. */
+ err = -EBUSY;
+ goto out;
+ }
+
+ if (backing_path.dentry->d_parent == mi->mi_incomplete_dir) {
+ /* Direct unlink from .incomplete are not allowed. */
+ err = -EBUSY;
+ goto out;
+ }
+
+ err = vfs_getattr(&backing_path, &stat, STATX_NLINK,
+ AT_STATX_SYNC_AS_STAT);
+ if (err)
+ goto out;
+
+ err = file_delete(mi, dentry, backing_path.dentry, stat.nlink);
+
+ d_drop(dentry);
+out:
+ path_put(&backing_path);
+path_err:
+ if (err)
+ pr_debug("incfs: %s err:%d\n", __func__, err);
+ mutex_unlock(&mi->mi_dir_struct_mutex);
+ return err;
+}
+
+static int dir_link(struct dentry *old_dentry, struct inode *dir,
+ struct dentry *new_dentry)
+{
+ struct mount_info *mi = get_mount_info(dir->i_sb);
+ struct path backing_old_path = {};
+ struct path backing_new_path = {};
+ int error = 0;
+
+ if (!mi)
+ return -EBADF;
+
+ error = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+ if (error)
+ return error;
+
+ get_incfs_backing_path(old_dentry, &backing_old_path);
+ get_incfs_backing_path(new_dentry, &backing_new_path);
+
+ if (backing_new_path.dentry->d_parent == mi->mi_index_dir) {
+ /* Can't link to .index */
+ error = -EBUSY;
+ goto out;
+ }
+
+ if (backing_new_path.dentry->d_parent == mi->mi_incomplete_dir) {
+ /* Can't link to .incomplete */
+ error = -EBUSY;
+ goto out;
+ }
+
+ error = incfs_link(backing_old_path.dentry, backing_new_path.dentry);
+ if (!error) {
+ struct inode *inode = NULL;
+ struct dentry *bdentry = backing_new_path.dentry;
+
+ if (d_really_is_negative(bdentry)) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ inode = fetch_regular_inode(dir->i_sb, bdentry);
+ if (IS_ERR(inode)) {
+ error = PTR_ERR(inode);
+ goto out;
+ }
+ d_instantiate(new_dentry, inode);
+ }
+
+out:
+ path_put(&backing_old_path);
+ path_put(&backing_new_path);
+ if (error)
+ pr_debug("incfs: %s err:%d\n", __func__, error);
+ mutex_unlock(&mi->mi_dir_struct_mutex);
+ return error;
+}
+
+static int dir_rmdir(struct inode *dir, struct dentry *dentry)
+{
+ struct mount_info *mi = get_mount_info(dir->i_sb);
+ struct path backing_path = {};
+ int err = 0;
+
+ if (!mi)
+ return -EBADF;
+
+ err = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+ if (err)
+ return err;
+
+ get_incfs_backing_path(dentry, &backing_path);
+ if (!backing_path.dentry) {
+ err = -EBADF;
+ goto path_err;
+ }
+
+ if (backing_path.dentry == mi->mi_index_dir) {
+ /* Can't delete .index */
+ err = -EBUSY;
+ goto out;
+ }
+
+ if (backing_path.dentry == mi->mi_incomplete_dir) {
+ /* Can't delete .incomplete */
+ err = -EBUSY;
+ goto out;
+ }
+
+ err = incfs_rmdir(backing_path.dentry);
+ if (!err)
+ d_drop(dentry);
+out:
+ path_put(&backing_path);
+
+path_err:
+ if (err)
+ pr_debug("incfs: %s err:%d\n", __func__, err);
+ mutex_unlock(&mi->mi_dir_struct_mutex);
+ return err;
+}
+
+static int dir_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry)
+{
+ struct mount_info *mi = get_mount_info(old_dir->i_sb);
+ struct dentry *backing_old_dentry;
+ struct dentry *backing_new_dentry;
+ struct dentry *backing_old_dir_dentry;
+ struct dentry *backing_new_dir_dentry;
+ struct inode *target_inode;
+ struct dentry *trap;
+ int error = 0;
+
+ error = mutex_lock_interruptible(&mi->mi_dir_struct_mutex);
+ if (error)
+ return error;
+
+ backing_old_dentry = get_incfs_dentry(old_dentry)->backing_path.dentry;
+
+ if (!backing_old_dentry || backing_old_dentry == mi->mi_index_dir ||
+ backing_old_dentry == mi->mi_incomplete_dir) {
+ /* Renaming .index or .incomplete not allowed */
+ error = -EBUSY;
+ goto exit;
+ }
+
+ backing_new_dentry = get_incfs_dentry(new_dentry)->backing_path.dentry;
+ dget(backing_old_dentry);
+ dget(backing_new_dentry);
+
+ backing_old_dir_dentry = dget_parent(backing_old_dentry);
+ backing_new_dir_dentry = dget_parent(backing_new_dentry);
+ target_inode = d_inode(new_dentry);
+
+ if (backing_old_dir_dentry == mi->mi_index_dir ||
+ backing_old_dir_dentry == mi->mi_incomplete_dir) {
+ /* Direct moves from .index or .incomplete are not allowed. */
+ error = -EBUSY;
+ goto out;
+ }
+
+ trap = lock_rename(backing_old_dir_dentry, backing_new_dir_dentry);
+
+ if (trap == backing_old_dentry) {
+ error = -EINVAL;
+ goto unlock_out;
+ }
+ if (trap == backing_new_dentry) {
+ error = -ENOTEMPTY;
+ goto unlock_out;
+ }
+
+ error = vfs_rename(d_inode(backing_old_dir_dentry), backing_old_dentry,
+ d_inode(backing_new_dir_dentry), backing_new_dentry,
+ NULL, 0);
+ if (error)
+ goto unlock_out;
+ if (target_inode)
+ fsstack_copy_attr_all(target_inode,
+ get_incfs_node(target_inode)->n_backing_inode);
+ fsstack_copy_attr_all(new_dir, d_inode(backing_new_dir_dentry));
+ if (new_dir != old_dir)
+ fsstack_copy_attr_all(old_dir, d_inode(backing_old_dir_dentry));
+
+unlock_out:
+ unlock_rename(backing_old_dir_dentry, backing_new_dir_dentry);
+
+out:
+ dput(backing_new_dir_dentry);
+ dput(backing_old_dir_dentry);
+ dput(backing_new_dentry);
+ dput(backing_old_dentry);
+
+exit:
+ mutex_unlock(&mi->mi_dir_struct_mutex);
+ if (error)
+ pr_debug("incfs: %s err:%d\n", __func__, error);
+ return error;
+}
+
+
+static int file_open(struct inode *inode, struct file *file)
+{
+ struct mount_info *mi = get_mount_info(inode->i_sb);
+ struct file *backing_file = NULL;
+ struct path backing_path = {};
+ int err = 0;
+ int flags = O_NOATIME | O_LARGEFILE |
+ (S_ISDIR(inode->i_mode) ? O_RDONLY : O_RDWR);
+ const struct cred *old_cred;
+
+ WARN_ON(file->private_data);
+
+ if (!mi)
+ return -EBADF;
+
+ get_incfs_backing_path(file->f_path.dentry, &backing_path);
+ if (!backing_path.dentry)
+ return -EBADF;
+
+ old_cred = override_creds(mi->mi_owner);
+ backing_file = dentry_open(&backing_path, flags, current_cred());
+ revert_creds(old_cred);
+ path_put(&backing_path);
+
+ if (IS_ERR(backing_file)) {
+ err = PTR_ERR(backing_file);
+ backing_file = NULL;
+ goto out;
+ }
+
+ if (S_ISREG(inode->i_mode)) {
+ struct incfs_file_data *fd = kzalloc(sizeof(*fd), GFP_NOFS);
+
+ if (!fd) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ *fd = (struct incfs_file_data) {
+ .fd_fill_permission = CANT_FILL,
+ };
+ file->private_data = fd;
+
+ err = make_inode_ready_for_data_ops(mi, inode, backing_file);
+ if (err)
+ goto out;
+
+ err = incfs_fsverity_file_open(inode, file);
+ if (err)
+ goto out;
+ } else if (S_ISDIR(inode->i_mode)) {
+ struct dir_file *dir = NULL;
+
+ dir = incfs_open_dir_file(mi, backing_file);
+ if (IS_ERR(dir))
+ err = PTR_ERR(dir);
+ else
+ file->private_data = dir;
+ } else
+ err = -EBADF;
+
+out:
+ if (err) {
+ pr_debug("name:%s err: %d\n",
+ file->f_path.dentry->d_name.name, err);
+ if (S_ISREG(inode->i_mode))
+ kfree(file->private_data);
+ else if (S_ISDIR(inode->i_mode))
+ incfs_free_dir_file(file->private_data);
+
+ file->private_data = NULL;
+ }
+
+ if (backing_file)
+ fput(backing_file);
+ return err;
+}
+
+static int file_release(struct inode *inode, struct file *file)
+{
+ if (S_ISREG(inode->i_mode)) {
+ kfree(file->private_data);
+ file->private_data = NULL;
+ } else if (S_ISDIR(inode->i_mode)) {
+ struct dir_file *dir = get_incfs_dir_file(file);
+
+ incfs_free_dir_file(dir);
+ }
+
+ return 0;
+}
+
+static int dentry_revalidate(struct dentry *d, unsigned int flags)
+{
+ struct path backing_path = {};
+ struct inode_info *info = get_incfs_node(d_inode(d));
+ struct inode *binode = (info == NULL) ? NULL : info->n_backing_inode;
+ struct dentry *backing_dentry = NULL;
+ int result = 0;
+
+ if (flags & LOOKUP_RCU)
+ return -ECHILD;
+
+ get_incfs_backing_path(d, &backing_path);
+ backing_dentry = backing_path.dentry;
+ if (!backing_dentry)
+ goto out;
+
+ if (d_inode(backing_dentry) != binode) {
+ /*
+ * Backing inodes obtained via dentry and inode don't match.
+ * It indicates that most likely backing dir has changed
+ * directly bypassing Incremental FS interface.
+ */
+ goto out;
+ }
+
+ if (backing_dentry->d_flags & DCACHE_OP_REVALIDATE) {
+ result = backing_dentry->d_op->d_revalidate(backing_dentry,
+ flags);
+ } else
+ result = 1;
+
+out:
+ path_put(&backing_path);
+ return result;
+}
+
+static void dentry_release(struct dentry *d)
+{
+ struct dentry_info *di = get_incfs_dentry(d);
+
+ if (di)
+ path_put(&di->backing_path);
+ kfree(d->d_fsdata);
+ d->d_fsdata = NULL;
+}
+
+static struct inode *alloc_inode(struct super_block *sb)
+{
+ struct inode_info *node = kzalloc(sizeof(*node), GFP_NOFS);
+
+ /* TODO: add a slab-based cache here. */
+ if (!node)
+ return NULL;
+ inode_init_once(&node->n_vfs_inode);
+ return &node->n_vfs_inode;
+}
+
+static void free_inode(struct inode *inode)
+{
+ struct inode_info *node = get_incfs_node(inode);
+
+ kfree(node);
+}
+
+static void evict_inode(struct inode *inode)
+{
+ struct inode_info *node = get_incfs_node(inode);
+
+ if (node) {
+ if (node->n_backing_inode) {
+ iput(node->n_backing_inode);
+ node->n_backing_inode = NULL;
+ }
+ if (node->n_file) {
+ incfs_free_data_file(node->n_file);
+ node->n_file = NULL;
+ }
+ }
+
+ truncate_inode_pages(&inode->i_data, 0);
+ clear_inode(inode);
+}
+
+static int incfs_setattr(struct dentry *dentry, struct iattr *ia)
+{
+ struct dentry_info *di = get_incfs_dentry(dentry);
+ struct dentry *backing_dentry;
+ struct inode *backing_inode;
+ int error;
+
+ if (ia->ia_valid & ATTR_SIZE)
+ return -EINVAL;
+
+ if (!di)
+ return -EINVAL;
+ backing_dentry = di->backing_path.dentry;
+ if (!backing_dentry)
+ return -EINVAL;
+
+ backing_inode = d_inode(backing_dentry);
+
+ /* incfs files are readonly, but the backing files must be writeable */
+ if (S_ISREG(backing_inode->i_mode)) {
+ if ((ia->ia_valid & ATTR_MODE) && (ia->ia_mode & 0222))
+ return -EINVAL;
+
+ ia->ia_mode |= 0222;
+ }
+
+ inode_lock(d_inode(backing_dentry));
+ error = notify_change(backing_dentry, ia, NULL);
+ inode_unlock(d_inode(backing_dentry));
+
+ if (error)
+ return error;
+
+ if (S_ISREG(backing_inode->i_mode))
+ ia->ia_mode &= ~0222;
+
+ return simple_setattr(dentry, ia);
+}
+
+
+static int incfs_getattr(const struct path *path,
+ struct kstat *stat, u32 request_mask,
+ unsigned int query_flags)
+{
+ struct inode *inode = d_inode(path->dentry);
+
+ generic_fillattr(inode, stat);
+
+ if (inode->i_ino < INCFS_START_INO_RANGE)
+ return 0;
+
+ stat->attributes &= ~STATX_ATTR_VERITY;
+ if (IS_VERITY(inode))
+ stat->attributes |= STATX_ATTR_VERITY;
+ stat->attributes_mask |= STATX_ATTR_VERITY;
+
+ if (request_mask & STATX_BLOCKS) {
+ struct kstat backing_kstat;
+ struct dentry_info *di = get_incfs_dentry(path->dentry);
+ int error = 0;
+ struct path *backing_path;
+
+ if (!di)
+ return -EFSCORRUPTED;
+ backing_path = &di->backing_path;
+ error = vfs_getattr(backing_path, &backing_kstat, STATX_BLOCKS,
+ AT_STATX_SYNC_AS_STAT);
+ if (error)
+ return error;
+
+ stat->blocks = backing_kstat.blocks;
+ }
+
+ return 0;
+}
+
+static ssize_t incfs_getxattr(struct dentry *d, const char *name,
+ void *value, size_t size)
+{
+ struct dentry_info *di = get_incfs_dentry(d);
+ struct mount_info *mi = get_mount_info(d->d_sb);
+ char *stored_value;
+ size_t stored_size;
+ int i;
+
+ if (di && di->backing_path.dentry)
+ return vfs_getxattr(di->backing_path.dentry, name, value, size);
+
+ if (strcmp(name, "security.selinux"))
+ return -ENODATA;
+
+ for (i = 0; i < PSEUDO_FILE_COUNT; ++i)
+ if (!strcmp(d->d_iname, incfs_pseudo_file_names[i].data))
+ break;
+ if (i == PSEUDO_FILE_COUNT)
+ return -ENODATA;
+
+ stored_value = mi->pseudo_file_xattr[i].data;
+ stored_size = mi->pseudo_file_xattr[i].len;
+ if (!stored_value)
+ return -ENODATA;
+
+ if (stored_size > size)
+ return -E2BIG;
+
+ memcpy(value, stored_value, stored_size);
+ return stored_size;
+}
+
+
+static ssize_t incfs_setxattr(struct dentry *d, const char *name,
+ const void *value, size_t size, int flags)
+{
+ struct dentry_info *di = get_incfs_dentry(d);
+ struct mount_info *mi = get_mount_info(d->d_sb);
+ u8 **stored_value;
+ size_t *stored_size;
+ int i;
+
+ if (di && di->backing_path.dentry)
+ return vfs_setxattr(di->backing_path.dentry, name, value, size,
+ flags);
+
+ if (strcmp(name, "security.selinux"))
+ return -ENODATA;
+
+ if (size > INCFS_MAX_FILE_ATTR_SIZE)
+ return -E2BIG;
+
+ for (i = 0; i < PSEUDO_FILE_COUNT; ++i)
+ if (!strcmp(d->d_iname, incfs_pseudo_file_names[i].data))
+ break;
+ if (i == PSEUDO_FILE_COUNT)
+ return -ENODATA;
+
+ stored_value = &mi->pseudo_file_xattr[i].data;
+ stored_size = &mi->pseudo_file_xattr[i].len;
+ kfree (*stored_value);
+ *stored_value = kzalloc(size, GFP_NOFS);
+ if (!*stored_value)
+ return -ENOMEM;
+
+ memcpy(*stored_value, value, size);
+ *stored_size = size;
+ return 0;
+}
+
+static ssize_t incfs_listxattr(struct dentry *d, char *list, size_t size)
+{
+ struct dentry_info *di = get_incfs_dentry(d);
+
+ if (!di || !di->backing_path.dentry)
+ return -ENODATA;
+
+ return vfs_listxattr(di->backing_path.dentry, list, size);
+}
+
+struct dentry *incfs_mount_fs(struct file_system_type *type, int flags,
+ const char *dev_name, void *data)
+{
+ struct mount_options options = {};
+ struct mount_info *mi = NULL;
+ struct path backing_dir_path = {};
+ struct dentry *index_dir = NULL;
+ struct dentry *incomplete_dir = NULL;
+ struct super_block *src_fs_sb = NULL;
+ struct inode *root_inode = NULL;
+ struct super_block *sb = sget(type, NULL, set_anon_super, flags, NULL);
+ int error = 0;
+
+ if (IS_ERR(sb))
+ return ERR_CAST(sb);
+
+ sb->s_op = &incfs_super_ops;
+ sb->s_d_op = &incfs_dentry_ops;
+ sb->s_flags |= S_NOATIME;
+ sb->s_magic = INCFS_MAGIC_NUMBER;
+ sb->s_time_gran = 1;
+ sb->s_blocksize = INCFS_DATA_FILE_BLOCK_SIZE;
+ sb->s_blocksize_bits = blksize_bits(sb->s_blocksize);
+ sb->s_xattr = incfs_xattr_ops;
+
+ BUILD_BUG_ON(PAGE_SIZE != INCFS_DATA_FILE_BLOCK_SIZE);
+
+ error = parse_options(&options, (char *)data);
+ if (error != 0) {
+ pr_err("incfs: Options parsing error. %d\n", error);
+ goto err;
+ }
+
+ sb->s_bdi->ra_pages = options.readahead_pages;
+ if (!dev_name) {
+ pr_err("incfs: Backing dir is not set, filesystem can't be mounted.\n");
+ error = -ENOENT;
+ goto err;
+ }
+
+ error = kern_path(dev_name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY,
+ &backing_dir_path);
+ if (error || backing_dir_path.dentry == NULL ||
+ !d_really_is_positive(backing_dir_path.dentry)) {
+ pr_err("incfs: Error accessing: %s.\n",
+ dev_name);
+ goto err;
+ }
+ src_fs_sb = backing_dir_path.dentry->d_sb;
+ sb->s_maxbytes = src_fs_sb->s_maxbytes;
+
+ mi = incfs_alloc_mount_info(sb, &options, &backing_dir_path);
+
+ if (IS_ERR_OR_NULL(mi)) {
+ error = PTR_ERR(mi);
+ pr_err("incfs: Error allocating mount info. %d\n", error);
+ mi = NULL;
+ goto err;
+ }
+
+ index_dir = open_or_create_special_dir(backing_dir_path.dentry,
+ INCFS_INDEX_NAME);
+ if (IS_ERR_OR_NULL(index_dir)) {
+ error = PTR_ERR(index_dir);
+ pr_err("incfs: Can't find or create .index dir in %s\n",
+ dev_name);
+ /* No need to null index_dir since we don't put it */
+ goto err;
+ }
+ mi->mi_index_dir = index_dir;
+
+ incomplete_dir = open_or_create_special_dir(backing_dir_path.dentry,
+ INCFS_INCOMPLETE_NAME);
+ if (IS_ERR_OR_NULL(incomplete_dir)) {
+ error = PTR_ERR(incomplete_dir);
+ pr_err("incfs: Can't find or create .incomplete dir in %s\n",
+ dev_name);
+ /* No need to null incomplete_dir since we don't put it */
+ goto err;
+ }
+ mi->mi_incomplete_dir = incomplete_dir;
+
+ sb->s_fs_info = mi;
+ root_inode = fetch_regular_inode(sb, backing_dir_path.dentry);
+ if (IS_ERR(root_inode)) {
+ error = PTR_ERR(root_inode);
+ goto err;
+ }
+
+ sb->s_root = d_make_root(root_inode);
+ if (!sb->s_root) {
+ error = -ENOMEM;
+ goto err;
+ }
+ error = incfs_init_dentry(sb->s_root, &backing_dir_path);
+ if (error)
+ goto err;
+
+ path_put(&backing_dir_path);
+ sb->s_flags |= SB_ACTIVE;
+
+ pr_debug("incfs: mount\n");
+ return dget(sb->s_root);
+err:
+ sb->s_fs_info = NULL;
+ path_put(&backing_dir_path);
+ incfs_free_mount_info(mi);
+ deactivate_locked_super(sb);
+ free_options(&options);
+ return ERR_PTR(error);
+}
+
+static int incfs_remount_fs(struct super_block *sb, int *flags, char *data)
+{
+ struct mount_options options;
+ struct mount_info *mi = get_mount_info(sb);
+ int err = 0;
+
+ sync_filesystem(sb);
+ err = parse_options(&options, (char *)data);
+ if (err)
+ return err;
+
+ if (options.report_uid != mi->mi_options.report_uid) {
+ pr_err("incfs: Can't change report_uid mount option on remount\n");
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ err = incfs_realloc_mount_info(mi, &options);
+ if (err)
+ goto out;
+
+ pr_debug("incfs: remount\n");
+
+out:
+ free_options(&options);
+ return err;
+}
+
+void incfs_kill_sb(struct super_block *sb)
+{
+ struct mount_info *mi = sb->s_fs_info;
+
+ pr_debug("incfs: unmount\n");
+ generic_shutdown_super(sb);
+ incfs_free_mount_info(mi);
+}
+
+static int show_options(struct seq_file *m, struct dentry *root)
+{
+ struct mount_info *mi = get_mount_info(root->d_sb);
+
+ seq_printf(m, ",read_timeout_ms=%u", mi->mi_options.read_timeout_ms);
+ seq_printf(m, ",readahead=%u", mi->mi_options.readahead_pages);
+ if (mi->mi_options.read_log_pages != 0) {
+ seq_printf(m, ",rlog_pages=%u", mi->mi_options.read_log_pages);
+ seq_printf(m, ",rlog_wakeup_cnt=%u",
+ mi->mi_options.read_log_wakeup_count);
+ }
+ if (mi->mi_options.report_uid)
+ seq_puts(m, ",report_uid");
+
+ if (mi->mi_sysfs_node)
+ seq_printf(m, ",sysfs_name=%s",
+ kobject_name(&mi->mi_sysfs_node->isn_sysfs_node));
+ return 0;
+}
diff --git a/fs/incfs/vfs.h b/fs/incfs/vfs.h
new file mode 100644
index 0000000..79fdf24
--- /dev/null
+++ b/fs/incfs/vfs.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2018 Google LLC
+ */
+
+#ifndef _INCFS_VFS_H
+#define _INCFS_VFS_H
+
+extern const struct file_operations incfs_file_ops;
+extern const struct inode_operations incfs_file_inode_ops;
+
+void incfs_kill_sb(struct super_block *sb);
+struct dentry *incfs_mount_fs(struct file_system_type *type, int flags,
+ const char *dev_name, void *data);
+int incfs_link(struct dentry *what, struct dentry *where);
+int incfs_unlink(struct dentry *dentry);
+
+static inline struct mount_info *get_mount_info(struct super_block *sb)
+{
+ struct mount_info *result = sb->s_fs_info;
+
+ WARN_ON(!result);
+ return result;
+}
+
+static inline struct super_block *file_superblock(struct file *f)
+{
+ struct inode *inode = file_inode(f);
+
+ return inode->i_sb;
+}
+
+#endif
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index cd9f7ba..caed9d9 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1155,8 +1155,7 @@ iomap_ioend_try_merge(struct iomap_ioend *ioend, struct list_head *more_ioends,
EXPORT_SYMBOL_GPL(iomap_ioend_try_merge);
static int
-iomap_ioend_compare(void *priv, const struct list_head *a,
- const struct list_head *b)
+iomap_ioend_compare(void *priv, struct list_head *a, struct list_head *b)
{
struct iomap_ioend *ia = container_of(a, struct iomap_ioend, io_list);
struct iomap_ioend *ib = container_of(b, struct iomap_ioend, io_list);
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 933f234..b4240cc 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -6,6 +6,7 @@
#include <linux/module.h>
#include <linux/compiler.h>
#include <linux/fs.h>
+#include <linux/fscrypt.h>
#include <linux/iomap.h>
#include <linux/backing-dev.h>
#include <linux/uio.h>
@@ -185,11 +186,14 @@ static void
iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos,
unsigned len)
{
+ struct inode *inode = file_inode(dio->iocb->ki_filp);
struct page *page = ZERO_PAGE(0);
int flags = REQ_SYNC | REQ_IDLE;
struct bio *bio;
bio = bio_alloc(GFP_KERNEL, 1);
+ fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,
+ GFP_KERNEL);
bio_set_dev(bio, iomap->bdev);
bio->bi_iter.bi_sector = iomap_sector(iomap, pos);
bio->bi_private = dio;
@@ -272,6 +276,8 @@ iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length,
}
bio = bio_alloc(GFP_KERNEL, nr_pages);
+ fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,
+ GFP_KERNEL);
bio_set_dev(bio, iomap->bdev);
bio->bi_iter.bi_sector = iomap_sector(iomap, pos);
bio->bi_write_hint = dio->iocb->ki_hint;
diff --git a/fs/jffs2/security.c b/fs/jffs2/security.c
index c2332e3..e6f42fe4 100644
--- a/fs/jffs2/security.c
+++ b/fs/jffs2/security.c
@@ -50,7 +50,8 @@ int jffs2_init_security(struct inode *inode, struct inode *dir,
/* ---- XATTR Handler for "security.*" ----------------- */
static int jffs2_security_getxattr(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return do_jffs2_getxattr(inode, JFFS2_XPREFIX_SECURITY,
name, buffer, size);
diff --git a/fs/jffs2/xattr_trusted.c b/fs/jffs2/xattr_trusted.c
index 5d60308..9dccaae 100644
--- a/fs/jffs2/xattr_trusted.c
+++ b/fs/jffs2/xattr_trusted.c
@@ -18,7 +18,8 @@
static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED,
name, buffer, size);
diff --git a/fs/jffs2/xattr_user.c b/fs/jffs2/xattr_user.c
index 9d027b4..c0983a3 100644
--- a/fs/jffs2/xattr_user.c
+++ b/fs/jffs2/xattr_user.c
@@ -18,7 +18,8 @@
static int jffs2_user_getxattr(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return do_jffs2_getxattr(inode, JFFS2_XPREFIX_USER,
name, buffer, size);
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index db41e78..5c79a35 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -925,7 +925,7 @@ static int __jfs_xattr_set(struct inode *inode, const char *name,
static int jfs_xattr_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size, int flags)
{
name = xattr_full_name(handler, name);
return __jfs_getxattr(inode, name, value, size);
@@ -942,7 +942,8 @@ static int jfs_xattr_set(const struct xattr_handler *handler,
static int jfs_xattr_get_os2(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size,
+ int flags)
{
if (is_known_namespace(name))
return -EOPNOTSUPP;
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index fc2469a..1c9e4ec 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -310,7 +310,8 @@ int kernfs_xattr_set(struct kernfs_node *kn, const char *name,
static int kernfs_vfs_xattr_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *suffix, void *value, size_t size)
+ const char *suffix, void *value, size_t size,
+ int flags)
{
const char *name = xattr_full_name(handler, suffix);
struct kernfs_node *kn = inode->i_private;
diff --git a/fs/libfs.c b/fs/libfs.c
index 7124c2e..1b4a215 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1214,11 +1214,6 @@ static int anon_set_page_dirty(struct page *page)
return 0;
};
-/*
- * A single inode exists for all anon_inode files. Contrary to pipes,
- * anon_inode inodes have no associated per-instance data, so we need
- * only allocate one of them.
- */
struct inode *alloc_anon_inode(struct super_block *s)
{
static const struct address_space_operations anon_aops = {
@@ -1388,8 +1383,8 @@ static bool needs_casefold(const struct inode *dir)
*
* Return: 0 if names match, 1 if mismatch, or -ERRNO
*/
-int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
- const char *str, const struct qstr *name)
+static int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
+ const char *str, const struct qstr *name)
{
const struct dentry *parent = READ_ONCE(dentry->d_parent);
const struct inode *dir = READ_ONCE(parent->d_inode);
@@ -1426,7 +1421,6 @@ int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
return 1;
return !!memcmp(str, name->name, len);
}
-EXPORT_SYMBOL(generic_ci_d_compare);
/**
* generic_ci_d_hash - generic d_hash implementation for casefolding filesystems
@@ -1435,7 +1429,7 @@ EXPORT_SYMBOL(generic_ci_d_compare);
*
* Return: 0 if hash was successful or unchanged, and -EINVAL on error
*/
-int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
+static int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
{
const struct inode *dir = READ_ONCE(dentry->d_inode);
struct super_block *sb = dentry->d_sb;
@@ -1450,5 +1444,74 @@ int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str)
return -EINVAL;
return 0;
}
-EXPORT_SYMBOL(generic_ci_d_hash);
+
+static const struct dentry_operations generic_ci_dentry_ops = {
+ .d_hash = generic_ci_d_hash,
+ .d_compare = generic_ci_d_compare,
+};
#endif
+
+#ifdef CONFIG_FS_ENCRYPTION
+static const struct dentry_operations generic_encrypted_dentry_ops = {
+ .d_revalidate = fscrypt_d_revalidate,
+};
+#endif
+
+#if defined(CONFIG_FS_ENCRYPTION) && defined(CONFIG_UNICODE)
+static const struct dentry_operations generic_encrypted_ci_dentry_ops = {
+ .d_hash = generic_ci_d_hash,
+ .d_compare = generic_ci_d_compare,
+ .d_revalidate = fscrypt_d_revalidate,
+};
+#endif
+
+/**
+ * generic_set_encrypted_ci_d_ops - helper for setting d_ops for given dentry
+ * @dentry: dentry to set ops on
+ *
+ * Casefolded directories need d_hash and d_compare set, so that the dentries
+ * contained in them are handled case-insensitively. Note that these operations
+ * are needed on the parent directory rather than on the dentries in it, and
+ * while the casefolding flag can be toggled on and off on an empty directory,
+ * dentry_operations can't be changed later. As a result, if the filesystem has
+ * casefolding support enabled at all, we have to give all dentries the
+ * casefolding operations even if their inode doesn't have the casefolding flag
+ * currently (and thus the casefolding ops would be no-ops for now).
+ *
+ * Encryption works differently in that the only dentry operation it needs is
+ * d_revalidate, which it only needs on dentries that have the no-key name flag.
+ * The no-key flag can't be set "later", so we don't have to worry about that.
+ *
+ * Finally, to maximize compatibility with overlayfs (which isn't compatible
+ * with certain dentry operations) and to avoid taking an unnecessary
+ * performance hit, we use custom dentry_operations for each possible
+ * combination rather than always installing all operations.
+ */
+void generic_set_encrypted_ci_d_ops(struct dentry *dentry)
+{
+#ifdef CONFIG_FS_ENCRYPTION
+ bool needs_encrypt_ops = dentry->d_flags & DCACHE_NOKEY_NAME;
+#endif
+#ifdef CONFIG_UNICODE
+ bool needs_ci_ops = dentry->d_sb->s_encoding;
+#endif
+#if defined(CONFIG_FS_ENCRYPTION) && defined(CONFIG_UNICODE)
+ if (needs_encrypt_ops && needs_ci_ops) {
+ d_set_d_op(dentry, &generic_encrypted_ci_dentry_ops);
+ return;
+ }
+#endif
+#ifdef CONFIG_FS_ENCRYPTION
+ if (needs_encrypt_ops) {
+ d_set_d_op(dentry, &generic_encrypted_dentry_ops);
+ return;
+ }
+#endif
+#ifdef CONFIG_UNICODE
+ if (needs_ci_ops) {
+ d_set_d_op(dentry, &generic_ci_dentry_ops);
+ return;
+ }
+#endif
+}
+EXPORT_SYMBOL(generic_set_encrypted_ci_d_ops);
diff --git a/fs/mpage.c b/fs/mpage.c
index 830e6cc..6bdb8dc 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -32,6 +32,14 @@
#include <linux/cleancache.h>
#include "internal.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/android_fs.h>
+
+EXPORT_TRACEPOINT_SYMBOL(android_fs_datawrite_start);
+EXPORT_TRACEPOINT_SYMBOL(android_fs_datawrite_end);
+EXPORT_TRACEPOINT_SYMBOL(android_fs_dataread_start);
+EXPORT_TRACEPOINT_SYMBOL(android_fs_dataread_end);
+
/*
* I/O completion handler for multipage BIOs.
*
@@ -49,6 +57,16 @@ static void mpage_end_io(struct bio *bio)
struct bio_vec *bv;
struct bvec_iter_all iter_all;
+ if (trace_android_fs_dataread_end_enabled() &&
+ (bio_data_dir(bio) == READ)) {
+ struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+ if (first_page != NULL)
+ trace_android_fs_dataread_end(first_page->mapping->host,
+ page_offset(first_page),
+ bio->bi_iter.bi_size);
+ }
+
bio_for_each_segment_all(bv, bio, iter_all) {
struct page *page = bv->bv_page;
page_endio(page, bio_op(bio),
@@ -60,6 +78,24 @@ static void mpage_end_io(struct bio *bio)
static struct bio *mpage_bio_submit(int op, int op_flags, struct bio *bio)
{
+ if (trace_android_fs_dataread_start_enabled() && (op == REQ_OP_READ)) {
+ struct page *first_page = bio->bi_io_vec[0].bv_page;
+
+ if (first_page != NULL) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN,
+ first_page->mapping->host);
+ trace_android_fs_dataread_start(
+ first_page->mapping->host,
+ page_offset(first_page),
+ bio->bi_iter.bi_size,
+ current->pid,
+ path,
+ current->comm);
+ }
+ }
bio->bi_end_io = mpage_end_io;
bio_set_op_attrs(bio, op, op_flags);
guard_bio_eod(bio);
diff --git a/fs/namei.c b/fs/namei.c
index 4c9d0c36..6d86355 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -43,6 +43,9 @@
#include "internal.h"
#include "mount.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/namei.h>
+
/* [Feb-1997 T. Schoebel-Theuer]
* Fundamental changes in the pathname lookup mechanisms (namei)
* were necessary because of omirr. The reason is that omirr needs
@@ -770,6 +773,81 @@ static inline int d_revalidate(struct dentry *dentry, unsigned int flags)
return 1;
}
+#define INIT_PATH_SIZE 64
+
+static void success_walk_trace(struct nameidata *nd)
+{
+ struct path *pt = &nd->path;
+ struct inode *i = nd->inode;
+ char buf[INIT_PATH_SIZE], *try_buf;
+ int cur_path_size;
+ char *p;
+
+ /* When eBPF/ tracepoint is disabled, keep overhead low. */
+ if (!trace_inodepath_enabled())
+ return;
+
+ /* First try stack allocated buffer. */
+ try_buf = buf;
+ cur_path_size = INIT_PATH_SIZE;
+
+ while (cur_path_size <= PATH_MAX) {
+ /* Free previous heap allocation if we are now trying
+ * a second or later heap allocation.
+ */
+ if (try_buf != buf)
+ kfree(try_buf);
+
+ /* All but the first alloc are on the heap. */
+ if (cur_path_size != INIT_PATH_SIZE) {
+ try_buf = kmalloc(cur_path_size, GFP_KERNEL);
+ if (!try_buf) {
+ try_buf = buf;
+ sprintf(try_buf, "error:buf_alloc_failed");
+ break;
+ }
+ }
+
+ p = d_path(pt, try_buf, cur_path_size);
+
+ if (!IS_ERR(p)) {
+ char *end = mangle_path(try_buf, p, "\n");
+
+ if (end) {
+ try_buf[end - try_buf] = 0;
+ break;
+ } else {
+ /* On mangle errors, double path size
+ * till PATH_MAX.
+ */
+ cur_path_size = cur_path_size << 1;
+ continue;
+ }
+ }
+
+ if (PTR_ERR(p) == -ENAMETOOLONG) {
+ /* If d_path complains that name is too long,
+ * then double path size till PATH_MAX.
+ */
+ cur_path_size = cur_path_size << 1;
+ continue;
+ }
+
+ sprintf(try_buf, "error:d_path_failed_%lu",
+ -1 * PTR_ERR(p));
+ break;
+ }
+
+ if (cur_path_size > PATH_MAX)
+ sprintf(try_buf, "error:d_path_name_too_long");
+
+ trace_inodepath(i, try_buf);
+
+ if (try_buf != buf)
+ kfree(try_buf);
+ return;
+}
+
/**
* complete_walk - successful completion of path walk
* @nd: pointer nameidata
@@ -817,15 +895,21 @@ static int complete_walk(struct nameidata *nd)
return -EXDEV;
}
- if (likely(!(nd->flags & LOOKUP_JUMPED)))
+ if (likely(!(nd->flags & LOOKUP_JUMPED))) {
+ success_walk_trace(nd);
return 0;
+ }
- if (likely(!(dentry->d_flags & DCACHE_OP_WEAK_REVALIDATE)))
+ if (likely(!(dentry->d_flags & DCACHE_OP_WEAK_REVALIDATE))) {
+ success_walk_trace(nd);
return 0;
+ }
status = dentry->d_op->d_weak_revalidate(dentry, nd->flags);
- if (status > 0)
+ if (status > 0) {
+ success_walk_trace(nd);
return 0;
+ }
if (!status)
status = -ESTALE;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 3106bd2..8f1fcf8 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7530,7 +7530,8 @@ static int nfs4_xattr_set_nfs4_acl(const struct xattr_handler *handler,
static int nfs4_xattr_get_nfs4_acl(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *key, void *buf, size_t buflen)
+ const char *key, void *buf, size_t buflen,
+ int flags)
{
return nfs4_proc_get_acl(inode, buf, buflen);
}
@@ -7555,7 +7556,8 @@ static int nfs4_xattr_set_nfs4_label(const struct xattr_handler *handler,
static int nfs4_xattr_get_nfs4_label(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *key, void *buf, size_t buflen)
+ const char *key, void *buf, size_t buflen,
+ int flags)
{
if (security_ismaclabel(key))
return nfs4_get_security_label(inode, buf, buflen);
@@ -7632,7 +7634,8 @@ static int nfs4_xattr_set_nfs4_user(const struct xattr_handler *handler,
static int nfs4_xattr_get_nfs4_user(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *key, void *buf, size_t buflen)
+ const char *key, void *buf, size_t buflen,
+ int flags)
{
struct nfs_access_entry cache;
ssize_t ret;
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 5f6c6bf..ca7b818 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -699,6 +699,8 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
struct fsnotify_group *group;
struct inode *inode;
struct path path;
+ struct path alteredpath;
+ struct path *canonical_path = &path;
struct fd f;
int ret;
unsigned flags = 0;
@@ -745,13 +747,23 @@ SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
if (ret)
goto fput_and_out;
+ /* support stacked filesystems */
+ if (path.dentry && path.dentry->d_op) {
+ if (path.dentry->d_op->d_canonical_path) {
+ path.dentry->d_op->d_canonical_path(&path,
+ &alteredpath);
+ canonical_path = &alteredpath;
+ path_put(&path);
+ }
+ }
+
/* inode held in place by reference to path; group by fget on fd */
- inode = path.dentry->d_inode;
+ inode = canonical_path->dentry->d_inode;
group = f.file->private_data;
/* create/update an inode mark */
ret = inotify_update_watch(group, inode, mask);
- path_put(&path);
+ path_put(canonical_path);
fput_and_out:
fdput(f);
return ret;
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 9ccd19d..0ed0a61 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -7242,7 +7242,8 @@ int ocfs2_init_security_and_acl(struct inode *dir,
*/
static int ocfs2_xattr_security_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_SECURITY,
name, buffer, size);
@@ -7314,7 +7315,8 @@ const struct xattr_handler ocfs2_xattr_security_handler = {
*/
static int ocfs2_xattr_trusted_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED,
name, buffer, size);
@@ -7340,7 +7342,8 @@ const struct xattr_handler ocfs2_xattr_trusted_handler = {
*/
static int ocfs2_xattr_user_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
diff --git a/fs/open.c b/fs/open.c
index 3aaaad4..78f32d4 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -34,6 +34,7 @@
#include <linux/compat.h>
#include "internal.h"
+#include <trace/hooks/syscall_check.h>
int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
struct file *filp)
@@ -800,6 +801,7 @@ static int do_dentry_open(struct file *f,
error = -ENODEV;
goto cleanup_all;
}
+ trace_android_vh_check_file_open(f);
error = security_file_open(f);
if (error)
@@ -843,8 +845,17 @@ static int do_dentry_open(struct file *f,
* XXX: Huge page cache doesn't support writing yet. Drop all page
* cache for this file before processing writes.
*/
- if ((f->f_mode & FMODE_WRITE) && filemap_nr_thps(inode->i_mapping))
- truncate_pagecache(inode, 0);
+ if (f->f_mode & FMODE_WRITE) {
+ /*
+ * Paired with smp_mb() in collapse_file() to ensure nr_thps
+ * is up to date and the update to i_writecount by
+ * get_write_access() is visible. Ensures subsequent insertion
+ * of THPs into the page cache will fail.
+ */
+ smp_mb();
+ if (filemap_nr_thps(inode->i_mapping))
+ truncate_pagecache(inode, 0);
+ }
return 0;
@@ -1149,6 +1160,26 @@ struct file *filp_open(const char *filename, int flags, umode_t mode)
}
EXPORT_SYMBOL(filp_open);
+/* ANDROID: Allow drivers to open only block files from kernel mode */
+struct file *filp_open_block(const char *filename, int flags, umode_t mode)
+{
+ struct file *file;
+
+ file = filp_open(filename, flags, mode);
+ if (IS_ERR(file))
+ goto err_out;
+
+ /* Drivers should only be allowed to open block devices */
+ if (!S_ISBLK(file->f_mapping->host->i_mode)) {
+ filp_close(file, NULL);
+ file = ERR_PTR(-ENOTBLK);
+ }
+
+err_out:
+ return file;
+}
+EXPORT_SYMBOL_GPL(filp_open_block);
+
struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt,
const char *filename, int flags, umode_t mode)
{
diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c
index bdc285a..ef4180b 100644
--- a/fs/orangefs/xattr.c
+++ b/fs/orangefs/xattr.c
@@ -541,7 +541,8 @@ static int orangefs_xattr_get_default(const struct xattr_handler *handler,
struct inode *inode,
const char *name,
void *buffer,
- size_t size)
+ size_t size,
+ int flags)
{
return orangefs_inode_getxattr(inode, name, buffer, size);
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index e466c58..820addb 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -964,7 +964,7 @@ static int ovl_copy_up_flags(struct dentry *dentry, int flags)
dput(parent);
dput(next);
}
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return err;
}
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 16955a3..cba65fa 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -567,7 +567,7 @@ static int ovl_create_or_link(struct dentry *dentry, struct inode *inode,
struct ovl_cattr *attr, bool origin)
{
int err;
- const struct cred *old_cred;
+ const struct cred *old_cred, *hold_cred = NULL;
struct cred *override_cred;
struct dentry *parent = dentry->d_parent;
@@ -594,14 +594,15 @@ static int ovl_create_or_link(struct dentry *dentry, struct inode *inode,
override_cred->fsgid = inode->i_gid;
if (!attr->hardlink) {
err = security_dentry_create_files_as(dentry,
- attr->mode, &dentry->d_name, old_cred,
+ attr->mode, &dentry->d_name,
+ old_cred ? old_cred : current_cred(),
override_cred);
if (err) {
put_cred(override_cred);
goto out_revert_creds;
}
}
- put_cred(override_creds(override_cred));
+ hold_cred = override_creds(override_cred);
put_cred(override_cred);
if (!ovl_dentry_is_whiteout(dentry))
@@ -610,7 +611,9 @@ static int ovl_create_or_link(struct dentry *dentry, struct inode *inode,
err = ovl_create_over_whiteout(dentry, inode, attr);
}
out_revert_creds:
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred ?: hold_cred);
+ if (old_cred && hold_cred)
+ put_cred(hold_cred);
return err;
}
@@ -686,7 +689,7 @@ static int ovl_set_link_redirect(struct dentry *dentry)
old_cred = ovl_override_creds(dentry->d_sb);
err = ovl_set_redirect(dentry, false);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return err;
}
@@ -905,7 +908,7 @@ static int ovl_do_remove(struct dentry *dentry, bool is_dir)
err = ovl_remove_upper(dentry, is_dir, &list);
else
err = ovl_remove_and_whiteout(dentry, &list);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
if (!err) {
if (is_dir)
clear_nlink(dentry->d_inode);
@@ -1279,7 +1282,7 @@ static int ovl_rename(struct inode *olddir, struct dentry *old,
out_unlock:
unlock_rename(new_upperdir, old_upperdir);
out_revert_creds:
- revert_creds(old_cred);
+ ovl_revert_creds(old->d_sb, old_cred);
if (update_nlink)
ovl_nlink_end(new);
out_drop_write:
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index b019f27..719eec7 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -15,6 +15,8 @@
#include <linux/fs.h>
#include "overlayfs.h"
+#define OVL_IOCB_MASK (IOCB_DSYNC | IOCB_HIPRI | IOCB_NOWAIT | IOCB_SYNC)
+
struct ovl_aio_req {
struct kiocb iocb;
refcount_t ref;
@@ -54,13 +56,13 @@ static struct file *ovl_open_realfile(const struct file *file,
err = inode_permission(realinode, MAY_OPEN | acc_mode);
if (err) {
realfile = ERR_PTR(err);
- } else if (!inode_owner_or_capable(realinode)) {
+ } else if (old_cred && !inode_owner_or_capable(realinode)) {
realfile = ERR_PTR(-EPERM);
} else {
realfile = open_with_fake_path(&file->f_path, flags, realinode,
current_cred());
}
- revert_creds(old_cred);
+ ovl_revert_creds(inode->i_sb, old_cred);
pr_debug("open(%p[%pD2/%c], 0%o) -> (%p, 0%o)\n",
file, file, ovl_whatisit(inode, realinode), file->f_flags,
@@ -210,7 +212,7 @@ static loff_t ovl_llseek(struct file *file, loff_t offset, int whence)
old_cred = ovl_override_creds(inode->i_sb);
ret = vfs_llseek(real.file, offset, whence);
- revert_creds(old_cred);
+ ovl_revert_creds(inode->i_sb, old_cred);
file->f_pos = real.file->f_pos;
ovl_inode_unlock(inode);
@@ -242,22 +244,6 @@ static void ovl_file_accessed(struct file *file)
touch_atime(&file->f_path);
}
-static rwf_t ovl_iocb_to_rwf(int ifl)
-{
- rwf_t flags = 0;
-
- if (ifl & IOCB_NOWAIT)
- flags |= RWF_NOWAIT;
- if (ifl & IOCB_HIPRI)
- flags |= RWF_HIPRI;
- if (ifl & IOCB_DSYNC)
- flags |= RWF_DSYNC;
- if (ifl & IOCB_SYNC)
- flags |= RWF_SYNC;
-
- return flags;
-}
-
static inline void ovl_aio_put(struct ovl_aio_req *aio_req)
{
if (refcount_dec_and_test(&aio_req->ref)) {
@@ -318,7 +304,8 @@ static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter)
old_cred = ovl_override_creds(file_inode(file)->i_sb);
if (is_sync_kiocb(iocb)) {
ret = vfs_iter_read(real.file, iter, &iocb->ki_pos,
- ovl_iocb_to_rwf(iocb->ki_flags));
+ iocb_to_rw_flags(iocb->ki_flags,
+ OVL_IOCB_MASK));
} else {
struct ovl_aio_req *aio_req;
@@ -339,7 +326,8 @@ static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter)
ovl_aio_cleanup_handler(aio_req);
}
out:
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file)->i_sb, old_cred);
+
ovl_file_accessed(file);
out_fdput:
fdput(real);
@@ -383,7 +371,7 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter)
if (is_sync_kiocb(iocb)) {
file_start_write(real.file);
ret = vfs_iter_write(real.file, iter, &iocb->ki_pos,
- ovl_iocb_to_rwf(ifl));
+ iocb_to_rw_flags(ifl, OVL_IOCB_MASK));
file_end_write(real.file);
/* Update size */
ovl_copyattr(ovl_inode_real(inode), inode);
@@ -412,7 +400,7 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter)
ovl_aio_cleanup_handler(aio_req);
}
out:
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file)->i_sb, old_cred);
out_fdput:
fdput(real);
@@ -458,7 +446,7 @@ static ssize_t ovl_splice_write(struct pipe_inode_info *pipe, struct file *out,
file_end_write(real.file);
/* Update size */
ovl_copyattr(realinode, inode);
- revert_creds(old_cred);
+ ovl_revert_creds(inode->i_sb, old_cred);
fdput(real);
out_unlock:
@@ -485,7 +473,7 @@ static int ovl_fsync(struct file *file, loff_t start, loff_t end, int datasync)
if (file_inode(real.file) == ovl_inode_upper(file_inode(file))) {
old_cred = ovl_override_creds(file_inode(file)->i_sb);
ret = vfs_fsync_range(real.file, start, end, datasync);
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file)->i_sb, old_cred);
}
fdput(real);
@@ -509,7 +497,7 @@ static int ovl_mmap(struct file *file, struct vm_area_struct *vma)
old_cred = ovl_override_creds(file_inode(file)->i_sb);
ret = call_mmap(vma->vm_file, vma);
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file)->i_sb, old_cred);
if (ret) {
/* Drop reference count from new vm_file value */
@@ -537,7 +525,7 @@ static long ovl_fallocate(struct file *file, int mode, loff_t offset, loff_t len
old_cred = ovl_override_creds(file_inode(file)->i_sb);
ret = vfs_fallocate(real.file, mode, offset, len);
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file)->i_sb, old_cred);
/* Update size */
ovl_copyattr(ovl_inode_real(inode), inode);
@@ -559,7 +547,7 @@ static int ovl_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
old_cred = ovl_override_creds(file_inode(file)->i_sb);
ret = vfs_fadvise(real.file, offset, len, advice);
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file)->i_sb, old_cred);
fdput(real);
@@ -715,7 +703,7 @@ static loff_t ovl_copyfile(struct file *file_in, loff_t pos_in,
flags);
break;
}
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file_out)->i_sb, old_cred);
/* Update size */
ovl_copyattr(ovl_inode_real(inode_out), inode_out);
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 4fadafd..df35954 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -80,7 +80,7 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr)
inode_lock(upperdentry->d_inode);
old_cred = ovl_override_creds(dentry->d_sb);
err = notify_change(upperdentry, attr, NULL);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
if (!err)
ovl_copyattr(upperdentry->d_inode, dentry->d_inode);
inode_unlock(upperdentry->d_inode);
@@ -272,7 +272,7 @@ int ovl_getattr(const struct path *path, struct kstat *stat,
stat->nlink = dentry->d_inode->i_nlink;
out:
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return err;
}
@@ -306,7 +306,7 @@ int ovl_permission(struct inode *inode, int mask)
mask |= MAY_READ;
}
err = inode_permission(realinode, mask);
- revert_creds(old_cred);
+ ovl_revert_creds(inode->i_sb, old_cred);
return err;
}
@@ -323,7 +323,7 @@ static const char *ovl_get_link(struct dentry *dentry,
old_cred = ovl_override_creds(dentry->d_sb);
p = vfs_get_link(ovl_dentry_real(dentry), done);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return p;
}
@@ -368,7 +368,7 @@ int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
WARN_ON(flags != XATTR_REPLACE);
err = vfs_removexattr(realdentry, name);
}
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
/* copy c/mtime */
ovl_copyattr(d_inode(realdentry), inode);
@@ -380,7 +380,7 @@ int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
}
int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
- void *value, size_t size)
+ void *value, size_t size, int flags)
{
ssize_t res;
const struct cred *old_cred;
@@ -388,8 +388,9 @@ int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
ovl_i_dentry_upper(inode) ?: ovl_dentry_lower(dentry);
old_cred = ovl_override_creds(dentry->d_sb);
- res = vfs_getxattr(realdentry, name, value, size);
- revert_creds(old_cred);
+ res = __vfs_getxattr(realdentry, d_inode(realdentry), name,
+ value, size, flags);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return res;
}
@@ -417,7 +418,7 @@ ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size)
old_cred = ovl_override_creds(dentry->d_sb);
res = vfs_listxattr(realdentry, list, size);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
if (res <= 0 || size == 0)
return res;
@@ -452,7 +453,7 @@ struct posix_acl *ovl_get_acl(struct inode *inode, int type)
old_cred = ovl_override_creds(inode->i_sb);
acl = get_acl(realinode, type);
- revert_creds(old_cred);
+ ovl_revert_creds(inode->i_sb, old_cred);
return acl;
}
@@ -486,7 +487,7 @@ static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
old_cred = ovl_override_creds(inode->i_sb);
err = realinode->i_op->fiemap(realinode, fieinfo, start, len);
- revert_creds(old_cred);
+ ovl_revert_creds(inode->i_sb, old_cred);
return err;
}
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 092812c..30e0ee7 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -108,7 +108,8 @@ int ovl_check_fb_len(struct ovl_fb *fb, int fb_len)
static struct ovl_fh *ovl_get_fh(struct ovl_fs *ofs, struct dentry *dentry,
enum ovl_xattr ox)
{
- int res, err;
+ ssize_t res;
+ int err;
struct ovl_fh *fh = NULL;
res = ovl_do_getxattr(ofs, dentry, ox, NULL, 0);
@@ -143,10 +144,10 @@ static struct ovl_fh *ovl_get_fh(struct ovl_fs *ofs, struct dentry *dentry,
return NULL;
fail:
- pr_warn_ratelimited("failed to get origin (%i)\n", res);
+ pr_warn_ratelimited("failed to get origin (%zi)\n", res);
goto out;
invalid:
- pr_warn_ratelimited("invalid origin (%*phN)\n", res, fh);
+ pr_warn_ratelimited("invalid origin (%*phN)\n", (int)res, fh);
goto out;
}
@@ -1098,7 +1099,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
ovl_dentry_update_reval(dentry, upperdentry,
DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
if (origin_path) {
dput(origin_path->dentry);
kfree(origin_path);
@@ -1125,7 +1126,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
kfree(upperredirect);
out:
kfree(d.redirect);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return ERR_PTR(err);
}
@@ -1177,7 +1178,7 @@ bool ovl_lower_positive(struct dentry *dentry)
dput(this);
}
}
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return positive;
}
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index e43dc68..825377d 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -184,7 +184,9 @@ static inline ssize_t ovl_do_getxattr(struct ovl_fs *ofs, struct dentry *dentry,
size_t size)
{
const char *name = ovl_xattr(ofs, ox);
- return vfs_getxattr(dentry, name, value, size);
+ struct inode *ip = d_inode(dentry);
+
+ return __vfs_getxattr(dentry, ip, name, value, size, XATTR_NOSECURITY);
}
static inline int ovl_do_setxattr(struct ovl_fs *ofs, struct dentry *dentry,
@@ -251,6 +253,7 @@ int ovl_want_write(struct dentry *dentry);
void ovl_drop_write(struct dentry *dentry);
struct dentry *ovl_workdir(struct dentry *dentry);
const struct cred *ovl_override_creds(struct super_block *sb);
+void ovl_revert_creds(struct super_block *sb, const struct cred *oldcred);
int ovl_can_decode_fh(struct super_block *sb);
struct dentry *ovl_indexdir(struct super_block *sb);
bool ovl_index_all(struct super_block *sb);
@@ -464,7 +467,7 @@ int ovl_permission(struct inode *inode, int mask);
int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
const void *value, size_t size, int flags);
int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
- void *value, size_t size);
+ void *value, size_t size, int flags);
ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size);
struct posix_acl *ovl_get_acl(struct inode *inode, int type);
int ovl_update_time(struct inode *inode, struct timespec64 *ts, int flags);
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h
index b208eba..200efb3 100644
--- a/fs/overlayfs/ovl_entry.h
+++ b/fs/overlayfs/ovl_entry.h
@@ -18,6 +18,7 @@ struct ovl_config {
int xino;
bool metacopy;
bool ovl_volatile;
+ bool override_creds;
};
struct ovl_sb {
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index cc1e802..5a35f87 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -286,7 +286,7 @@ static int ovl_check_whiteouts(struct dentry *dir, struct ovl_readdir_data *rdd)
}
inode_unlock(dir->d_inode);
}
- revert_creds(old_cred);
+ ovl_revert_creds(rdd->dentry->d_sb, old_cred);
return err;
}
@@ -784,7 +784,7 @@ static int ovl_iterate(struct file *file, struct dir_context *ctx)
}
err = 0;
out:
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
return err;
}
@@ -836,7 +836,7 @@ static struct file *ovl_dir_open_realfile(const struct file *file,
old_cred = ovl_override_creds(file_inode(file)->i_sb);
res = ovl_path_open(realpath, O_RDONLY | (file->f_flags & O_LARGEFILE));
- revert_creds(old_cred);
+ ovl_revert_creds(file_inode(file)->i_sb, old_cred);
return res;
}
@@ -966,7 +966,7 @@ int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list)
old_cred = ovl_override_creds(dentry->d_sb);
err = ovl_dir_read_merged(dentry, list, &root);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
if (err)
return err;
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 77f08ac..b66dc11 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -53,6 +53,11 @@ module_param_named(xino_auto, ovl_xino_auto_def, bool, 0644);
MODULE_PARM_DESC(xino_auto,
"Auto enable xino feature");
+static bool __read_mostly ovl_override_creds_def = true;
+module_param_named(override_creds, ovl_override_creds_def, bool, 0644);
+MODULE_PARM_DESC(ovl_override_creds_def,
+ "Use mounter's credentials for accesses");
+
static void ovl_entry_stack_free(struct ovl_entry *oe)
{
unsigned int i;
@@ -378,6 +383,9 @@ static int ovl_show_options(struct seq_file *m, struct dentry *dentry)
ofs->config.metacopy ? "on" : "off");
if (ofs->config.ovl_volatile)
seq_puts(m, ",volatile");
+ if (ofs->config.override_creds != ovl_override_creds_def)
+ seq_show_option(m, "override_creds",
+ ofs->config.override_creds ? "on" : "off");
return 0;
}
@@ -430,6 +438,8 @@ enum {
OPT_METACOPY_ON,
OPT_METACOPY_OFF,
OPT_VOLATILE,
+ OPT_OVERRIDE_CREDS_ON,
+ OPT_OVERRIDE_CREDS_OFF,
OPT_ERR,
};
@@ -449,6 +459,8 @@ static const match_table_t ovl_tokens = {
{OPT_METACOPY_ON, "metacopy=on"},
{OPT_METACOPY_OFF, "metacopy=off"},
{OPT_VOLATILE, "volatile"},
+ {OPT_OVERRIDE_CREDS_ON, "override_creds=on"},
+ {OPT_OVERRIDE_CREDS_OFF, "override_creds=off"},
{OPT_ERR, NULL}
};
@@ -508,6 +520,7 @@ static int ovl_parse_opt(char *opt, struct ovl_config *config)
config->redirect_mode = kstrdup(ovl_redirect_mode_def(), GFP_KERNEL);
if (!config->redirect_mode)
return -ENOMEM;
+ config->override_creds = ovl_override_creds_def;
while ((p = ovl_next_opt(&opt)) != NULL) {
int token;
@@ -597,6 +610,14 @@ static int ovl_parse_opt(char *opt, struct ovl_config *config)
config->ovl_volatile = true;
break;
+ case OPT_OVERRIDE_CREDS_ON:
+ config->override_creds = true;
+ break;
+
+ case OPT_OVERRIDE_CREDS_OFF:
+ config->override_creds = false;
+ break;
+
default:
pr_err("unrecognized mount option \"%s\" or missing value\n",
p);
@@ -940,9 +961,9 @@ static unsigned int ovl_split_lowerdirs(char *str)
static int __maybe_unused
ovl_posix_acl_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size, int flags)
{
- return ovl_xattr_get(dentry, inode, handler->name, buffer, size);
+ return ovl_xattr_get(dentry, inode, handler->name, buffer, size, flags);
}
static int __maybe_unused
@@ -1005,7 +1026,8 @@ ovl_posix_acl_xattr_set(const struct xattr_handler *handler,
static int ovl_own_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
return -EOPNOTSUPP;
}
@@ -1020,9 +1042,10 @@ static int ovl_own_xattr_set(const struct xattr_handler *handler,
static int ovl_other_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
- return ovl_xattr_get(dentry, inode, name, buffer, size);
+ return ovl_xattr_get(dentry, inode, name, buffer, size, flags);
}
static int ovl_other_xattr_set(const struct xattr_handler *handler,
@@ -2030,7 +2053,6 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
kfree(splitlower);
sb->s_root = root_dentry;
-
return 0;
out_free_oe:
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index e8b14d2..5edb177 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -37,9 +37,17 @@ const struct cred *ovl_override_creds(struct super_block *sb)
{
struct ovl_fs *ofs = sb->s_fs_info;
+ if (!ofs->config.override_creds)
+ return NULL;
return override_creds(ofs->creator_cred);
}
+void ovl_revert_creds(struct super_block *sb, const struct cred *old_cred)
+{
+ if (old_cred)
+ revert_creds(old_cred);
+}
+
/*
* Check if underlying fs supports file handles and try to determine encoding
* type, in order to deduce maximum inode number used by fs.
@@ -548,7 +556,7 @@ void ovl_copy_up_end(struct dentry *dentry)
bool ovl_check_origin_xattr(struct ovl_fs *ofs, struct dentry *dentry)
{
- int res;
+ ssize_t res;
res = ovl_do_getxattr(ofs, dentry, OVL_XATTR_ORIGIN, NULL, 0);
@@ -562,7 +570,7 @@ bool ovl_check_origin_xattr(struct ovl_fs *ofs, struct dentry *dentry)
bool ovl_check_dir_xattr(struct super_block *sb, struct dentry *dentry,
enum ovl_xattr ox)
{
- int res;
+ ssize_t res;
char val;
if (!d_is_dir(dentry))
@@ -810,7 +818,7 @@ int ovl_nlink_start(struct dentry *dentry)
* value relative to the upper inode nlink in an upper inode xattr.
*/
err = ovl_set_nlink_upper(dentry);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
out:
if (err)
@@ -828,7 +836,7 @@ void ovl_nlink_end(struct dentry *dentry)
old_cred = ovl_override_creds(dentry->d_sb);
ovl_cleanup_index(dentry);
- revert_creds(old_cred);
+ ovl_revert_creds(dentry->d_sb, old_cred);
}
ovl_inode_unlock(inode);
@@ -856,7 +864,7 @@ int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir)
/* err < 0, 0 if no metacopy xattr, 1 if metacopy xattr found */
int ovl_check_metacopy_xattr(struct ovl_fs *ofs, struct dentry *dentry)
{
- int res;
+ ssize_t res;
/* Only regular files can have metacopy xattr */
if (!S_ISREG(d_inode(dentry)->i_mode))
@@ -871,7 +879,7 @@ int ovl_check_metacopy_xattr(struct ovl_fs *ofs, struct dentry *dentry)
return 1;
out:
- pr_warn_ratelimited("failed to get metacopy (%i)\n", res);
+ pr_warn_ratelimited("failed to get metacopy (%zi)\n", res);
return res;
}
diff --git a/fs/pipe.c b/fs/pipe.c
index d6d4019..28b2e97 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -363,9 +363,10 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to)
* _very_ unlikely case that the pipe was full, but we got
* no data.
*/
- if (unlikely(was_full))
+ if (unlikely(was_full)) {
wake_up_interruptible_sync_poll(&pipe->wr_wait, EPOLLOUT | EPOLLWRNORM);
- kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
+ kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
+ }
/*
* But because we didn't read anything, at this point we can
@@ -384,11 +385,12 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to)
wake_next_reader = false;
__pipe_unlock(pipe);
- if (was_full)
+ if (was_full) {
wake_up_interruptible_sync_poll(&pipe->wr_wait, EPOLLOUT | EPOLLWRNORM);
+ kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
+ }
if (wake_next_reader)
wake_up_interruptible_sync_poll(&pipe->rd_wait, EPOLLIN | EPOLLRDNORM);
- kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT);
if (ret > 0)
file_accessed(filp);
return ret;
@@ -442,6 +444,9 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
#endif
/*
+ * Epoll nonsensically wants a wakeup whether the pipe
+ * was already empty or not.
+ *
* If it wasn't empty we try to merge new data into
* the last buffer.
*
@@ -450,9 +455,9 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
* spanning multiple pages.
*/
head = pipe->head;
- was_empty = pipe_empty(head, pipe->tail);
+ was_empty = true;
chars = total_len & (PAGE_SIZE-1);
- if (chars && !was_empty) {
+ if (chars && !pipe_empty(head, pipe->tail)) {
unsigned int mask = pipe->ring_size - 1;
struct pipe_buffer *buf = &pipe->bufs[(head - 1) & mask];
int offset = buf->offset + buf->len;
@@ -563,9 +568,10 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
* become empty while we dropped the lock.
*/
__pipe_unlock(pipe);
- if (was_empty)
+ if (was_empty) {
wake_up_interruptible_sync_poll(&pipe->rd_wait, EPOLLIN | EPOLLRDNORM);
- kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+ kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+ }
wait_event_interruptible_exclusive(pipe->wr_wait, pipe_writable(pipe));
__pipe_lock(pipe);
was_empty = pipe_empty(pipe->head, pipe->tail);
@@ -584,13 +590,11 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
* This is particularly important for small writes, because of
* how (for example) the GNU make jobserver uses small writes to
* wake up pending jobs
- *
- * Epoll nonsensically wants a wakeup whether the pipe
- * was already empty or not.
*/
- if (was_empty || pipe->poll_usage)
+ if (was_empty) {
wake_up_interruptible_sync_poll(&pipe->rd_wait, EPOLLIN | EPOLLRDNORM);
- kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+ kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
+ }
if (wake_next_writer)
wake_up_interruptible_sync_poll(&pipe->wr_wait, EPOLLOUT | EPOLLWRNORM);
if (ret > 0 && sb_start_write_trylock(file_inode(filp)->i_sb)) {
@@ -650,9 +654,6 @@ pipe_poll(struct file *filp, poll_table *wait)
struct pipe_inode_info *pipe = filp->private_data;
unsigned int head, tail;
- /* Epoll has some historical nasty semantics, this enables them */
- pipe->poll_usage = 1;
-
/*
* Reading pipe state only -- no need for acquiring the semaphore.
*
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 95882b3..f3fbc26 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -835,7 +835,7 @@ EXPORT_SYMBOL (posix_acl_to_xattr);
static int
posix_acl_xattr_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *value, size_t size)
+ const char *name, void *value, size_t size, int flags)
{
struct posix_acl *acl;
int error;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5d52aea..6325298 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -96,6 +96,7 @@
#include <linux/posix-timers.h>
#include <linux/time_namespace.h>
#include <linux/resctrl.h>
+#include <linux/cpufreq_times.h>
#include <trace/events/oom.h>
#include "internal.h"
#include "fd.h"
@@ -3173,7 +3174,7 @@ static const struct pid_entry tgid_base_stuff[] = {
DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
DIR("map_files", S_IRUSR|S_IXUSR, proc_map_files_inode_operations, proc_map_files_operations),
- DIR("fdinfo", S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
+ DIR("fdinfo", S_IRUGO|S_IXUGO, proc_fdinfo_inode_operations, proc_fdinfo_operations),
DIR("ns", S_IRUSR|S_IXUGO, proc_ns_dir_inode_operations, proc_ns_dir_operations),
#ifdef CONFIG_NET
DIR("net", S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations),
@@ -3270,6 +3271,9 @@ static const struct pid_entry tgid_base_stuff[] = {
#ifdef CONFIG_LIVEPATCH
ONE("patch_state", S_IRUSR, proc_pid_patch_state),
#endif
+#ifdef CONFIG_CPU_FREQ_TIMES
+ ONE("time_in_state", 0444, proc_time_in_state_show),
+#endif
#ifdef CONFIG_STACKLEAK_METRICS
ONE("stack_depth", S_IRUGO, proc_stack_depth),
#endif
@@ -3514,7 +3518,7 @@ static const struct inode_operations proc_tid_comm_inode_operations = {
*/
static const struct pid_entry tid_base_stuff[] = {
DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
- DIR("fdinfo", S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
+ DIR("fdinfo", S_IRUGO|S_IXUGO, proc_fdinfo_inode_operations, proc_fdinfo_operations),
DIR("ns", S_IRUSR|S_IXUGO, proc_ns_dir_inode_operations, proc_ns_dir_operations),
#ifdef CONFIG_NET
DIR("net", S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations),
@@ -3605,6 +3609,9 @@ static const struct pid_entry tid_base_stuff[] = {
#ifdef CONFIG_PROC_PID_ARCH_STATUS
ONE("arch_status", S_IRUGO, proc_pid_arch_status),
#endif
+#ifdef CONFIG_CPU_FREQ_TIMES
+ ONE("time_in_state", 0444, proc_time_in_state_show),
+#endif
};
static int proc_tid_base_readdir(struct file *file, struct dir_context *ctx)
diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
index ad31ec4..6d8d4bf 100644
--- a/fs/proc/bootconfig.c
+++ b/fs/proc/bootconfig.c
@@ -49,7 +49,7 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
else
q = '"';
ret = snprintf(dst, rest(dst, end), "%c%s%c%s",
- q, val, q, vnode->next ? ", " : "\n");
+ q, val, q, xbc_node_is_array(vnode) ? ", " : "\n");
if (ret < 0)
goto out;
dst += ret;
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 81882a1..6b634c0 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -6,6 +6,7 @@
#include <linux/fdtable.h>
#include <linux/namei.h>
#include <linux/pid.h>
+#include <linux/ptrace.h>
#include <linux/security.h>
#include <linux/file.h>
#include <linux/seq_file.h>
@@ -53,9 +54,10 @@ static int seq_show(struct seq_file *m, void *v)
if (ret)
return ret;
- seq_printf(m, "pos:\t%lli\nflags:\t0%o\nmnt_id:\t%i\n",
+ seq_printf(m, "pos:\t%lli\nflags:\t0%o\nmnt_id:\t%i\nino:\t%lu\n",
(long long)file->f_pos, f_flags,
- real_mount(file->f_path.mnt)->mnt_id);
+ real_mount(file->f_path.mnt)->mnt_id,
+ file_inode(file)->i_ino);
show_fd_locks(m, file, files);
if (seq_has_overflowed(m))
@@ -69,8 +71,30 @@ static int seq_show(struct seq_file *m, void *v)
return 0;
}
+static int proc_fdinfo_access_allowed(struct inode *inode)
+{
+ bool allowed = false;
+ struct task_struct *task = get_proc_task(inode);
+
+ if (!task)
+ return -ESRCH;
+
+ allowed = ptrace_may_access(task, PTRACE_MODE_READ_FSCREDS);
+ put_task_struct(task);
+
+ if (!allowed)
+ return -EACCES;
+
+ return 0;
+}
+
static int seq_fdinfo_open(struct inode *inode, struct file *file)
{
+ int ret = proc_fdinfo_access_allowed(inode);
+
+ if (ret)
+ return ret;
+
return single_open(file, seq_show, inode);
}
@@ -325,7 +349,7 @@ static struct dentry *proc_fdinfo_instantiate(struct dentry *dentry,
struct proc_inode *ei;
struct inode *inode;
- inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUSR);
+ inode = proc_pid_make_inode(dentry->d_sb, task, S_IFREG | S_IRUGO);
if (!inode)
return ERR_PTR(-ENOENT);
@@ -351,12 +375,23 @@ static int proc_readfdinfo(struct file *file, struct dir_context *ctx)
proc_fdinfo_instantiate);
}
+static int proc_open_fdinfo(struct inode *inode, struct file *file)
+{
+ int ret = proc_fdinfo_access_allowed(inode);
+
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
const struct inode_operations proc_fdinfo_inode_operations = {
.lookup = proc_lookupfdinfo,
.setattr = proc_setattr,
};
const struct file_operations proc_fdinfo_operations = {
+ .open = proc_open_fdinfo,
.read = generic_read_dir,
.iterate_shared = proc_readfdinfo,
.llseek = generic_file_llseek,
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 887a553..208c9c4 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -18,7 +18,7 @@
#endif
#include <asm/page.h>
#include "internal.h"
-
+#include <trace/hooks/mm.h>
void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
{
}
@@ -145,6 +145,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
show_val_kb(m, "CmaFree: ",
global_zone_page_state(NR_FREE_CMA_PAGES));
#endif
+ trace_android_vh_meminfo_proc_show(m);
hugetlb_report_meminfo(m);
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 3931f60..154b9f5 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -123,6 +123,56 @@ static void release_task_mempolicy(struct proc_maps_private *priv)
}
#endif
+static void seq_print_vma_name(struct seq_file *m, struct vm_area_struct *vma)
+{
+ const char __user *name = vma_get_anon_name(vma);
+ struct mm_struct *mm = vma->vm_mm;
+
+ unsigned long page_start_vaddr;
+ unsigned long page_offset;
+ unsigned long num_pages;
+ unsigned long max_len = NAME_MAX;
+ int i;
+
+ page_start_vaddr = (unsigned long)name & PAGE_MASK;
+ page_offset = (unsigned long)name - page_start_vaddr;
+ num_pages = DIV_ROUND_UP(page_offset + max_len, PAGE_SIZE);
+
+ seq_puts(m, "[anon:");
+
+ for (i = 0; i < num_pages; i++) {
+ int len;
+ int write_len;
+ const char *kaddr;
+ long pages_pinned;
+ struct page *page;
+
+ pages_pinned = get_user_pages_remote(mm, page_start_vaddr, 1, 0,
+ &page, NULL, NULL);
+ if (pages_pinned < 1) {
+ seq_puts(m, "<fault>]");
+ return;
+ }
+
+ kaddr = (const char *)kmap(page);
+ len = min(max_len, PAGE_SIZE - page_offset);
+ write_len = strnlen(kaddr + page_offset, len);
+ seq_write(m, kaddr + page_offset, write_len);
+ kunmap(page);
+ put_user_page(page);
+
+ /* if strnlen hit a null terminator then we're done */
+ if (write_len != len)
+ break;
+
+ max_len -= len;
+ page_offset = 0;
+ page_start_vaddr += PAGE_SIZE;
+ }
+
+ seq_putc(m, ']');
+}
+
static void *m_start(struct seq_file *m, loff_t *ppos)
{
struct proc_maps_private *priv = m->private;
@@ -319,8 +369,15 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
goto done;
}
- if (is_stack(vma))
+ if (is_stack(vma)) {
name = "[stack]";
+ goto done;
+ }
+
+ if (vma_get_anon_name(vma)) {
+ seq_pad(m, ' ');
+ seq_print_vma_name(m, vma);
+ }
}
done:
@@ -661,6 +718,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
[ilog2(VM_PKEY_BIT4)] = "",
#endif
#endif /* CONFIG_ARCH_HAS_PKEYS */
+#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+ [ilog2(VM_UFFD_MINOR)] = "ui",
+#endif /* CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */
};
size_t i;
@@ -820,6 +880,11 @@ static int show_smap(struct seq_file *m, void *v)
smap_gather_stats(vma, &mss, 0);
show_map_vma(m, vma);
+ if (vma_get_anon_name(vma)) {
+ seq_puts(m, "Name: ");
+ seq_print_vma_name(m, vma);
+ seq_putc(m, '\n');
+ }
SEQ_PUT_DEC("Size: ", vma->vm_end - vma->vm_start);
SEQ_PUT_DEC(" kB\nKernelPageSize: ", vma_kernel_pagesize(vma));
@@ -1252,8 +1317,11 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
for (vma = mm->mmap; vma; vma = vma->vm_next) {
if (!(vma->vm_flags & VM_SOFTDIRTY))
continue;
- vma->vm_flags &= ~VM_SOFTDIRTY;
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags,
+ vma->vm_flags & ~VM_SOFTDIRTY);
vma_set_page_prot(vma);
+ vm_write_end(vma);
}
inc_tlb_flush_pending(mm);
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index ca6d8a8..7183fe4 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -21,6 +21,7 @@
#include <linux/pstore_ram.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
#include "internal.h"
#define RAMOOPS_KERNMSG_HDR "===="
@@ -56,7 +57,7 @@ MODULE_PARM_DESC(mem_size,
static unsigned int mem_type;
module_param(mem_type, uint, 0400);
MODULE_PARM_DESC(mem_type,
- "set to 1 to try to use unbuffered memory (default 0)");
+ "memory type: 0=write-combined (default), 1=unbuffered, 2=cached");
static int ramoops_max_reason = -1;
module_param_named(max_reason, ramoops_max_reason, int, 0400);
@@ -633,6 +634,7 @@ static int ramoops_parse_dt(struct platform_device *pdev,
{
struct device_node *of_node = pdev->dev.of_node;
struct device_node *parent_node;
+ struct reserved_mem *rmem;
struct resource *res;
u32 value;
int ret;
@@ -641,13 +643,24 @@ static int ramoops_parse_dt(struct platform_device *pdev,
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
- dev_err(&pdev->dev,
- "failed to locate DT /reserved-memory resource\n");
- return -EINVAL;
+ rmem = of_reserved_mem_lookup(of_node);
+ if (rmem) {
+ pdata->mem_size = rmem->size;
+ pdata->mem_address = rmem->base;
+ } else {
+ dev_err(&pdev->dev,
+ "failed to locate DT /reserved-memory resource\n");
+ return -EINVAL;
+ }
+ } else {
+ pdata->mem_size = resource_size(res);
+ pdata->mem_address = res->start;
}
- pdata->mem_size = resource_size(res);
- pdata->mem_address = res->start;
+ /*
+ * Setting "unbuffered" is deprecated and will be ignored if
+ * "mem_type" is also specified.
+ */
pdata->mem_type = of_property_read_bool(of_node, "unbuffered");
/*
* Setting "no-dump-oops" is deprecated and will be ignored if
@@ -666,6 +679,7 @@ static int ramoops_parse_dt(struct platform_device *pdev,
field = value; \
}
+ parse_u32("mem-type", pdata->record_size, pdata->mem_type);
parse_u32("record-size", pdata->record_size, 0);
parse_u32("console-size", pdata->console_size, 0);
parse_u32("ftrace-size", pdata->ftrace_size, 0);
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index aa8e0b6..f1acc22 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -396,6 +396,10 @@ void persistent_ram_zap(struct persistent_ram_zone *prz)
persistent_ram_update_header_ecc(prz);
}
+#define MEM_TYPE_WCOMBINE 0
+#define MEM_TYPE_NONCACHED 1
+#define MEM_TYPE_NORMAL 2
+
static void *persistent_ram_vmap(phys_addr_t start, size_t size,
unsigned int memtype)
{
@@ -409,10 +413,20 @@ static void *persistent_ram_vmap(phys_addr_t start, size_t size,
page_start = start - offset_in_page(start);
page_count = DIV_ROUND_UP(size + offset_in_page(start), PAGE_SIZE);
- if (memtype)
+ switch (memtype) {
+ case MEM_TYPE_NORMAL:
+ prot = PAGE_KERNEL;
+ break;
+ case MEM_TYPE_NONCACHED:
prot = pgprot_noncached(PAGE_KERNEL);
- else
+ break;
+ case MEM_TYPE_WCOMBINE:
prot = pgprot_writecombine(PAGE_KERNEL);
+ break;
+ default:
+ pr_err("invalid mem_type=%d\n", memtype);
+ return NULL;
+ }
pages = kmalloc_array(page_count, sizeof(struct page *), GFP_KERNEL);
if (!pages) {
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index 20be9a0..eedfa07 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -11,7 +11,8 @@
static int
security_get(const struct xattr_handler *handler, struct dentry *unused,
- struct inode *inode, const char *name, void *buffer, size_t size)
+ struct inode *inode, const char *name, void *buffer, size_t size,
+ int flags)
{
if (IS_PRIVATE(inode))
return -EPERM;
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index 5ed48da..2d11d98 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -10,7 +10,8 @@
static int
trusted_get(const struct xattr_handler *handler, struct dentry *unused,
- struct inode *inode, const char *name, void *buffer, size_t size)
+ struct inode *inode, const char *name, void *buffer, size_t size,
+ int flags)
{
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
return -EPERM;
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
index a573ca4..2a59d85 100644
--- a/fs/reiserfs/xattr_user.c
+++ b/fs/reiserfs/xattr_user.c
@@ -9,7 +9,8 @@
static int
user_get(const struct xattr_handler *handler, struct dentry *unused,
- struct inode *inode, const char *name, void *buffer, size_t size)
+ struct inode *inode, const char *name, void *buffer, size_t size,
+ int flags)
{
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index e1e3f3d..d8d58c9 100644
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -204,7 +204,7 @@ static int squashfs_xattr_handler_get(const struct xattr_handler *handler,
struct dentry *unused,
struct inode *inode,
const char *name,
- void *buffer, size_t size)
+ void *buffer, size_t size, int flags)
{
return squashfs_xattr_get(inode, handler->flags, name,
buffer, size);
diff --git a/fs/sync.c b/fs/sync.c
index 1373a61..8e1c227 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -9,7 +9,7 @@
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/namei.h>
-#include <linux/sched.h>
+#include <linux/sched/xacct.h>
#include <linux/writeback.h>
#include <linux/syscalls.h>
#include <linux/linkage.h>
@@ -223,6 +223,7 @@ static int do_fsync(unsigned int fd, int datasync)
if (f.file) {
ret = vfs_fsync(f.file, datasync);
fdput(f);
+ inc_syscfs(current);
}
return ret;
}
diff --git a/fs/timerfd.c b/fs/timerfd.c
index c5509d2..06c0623c 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -28,6 +28,8 @@
#include <linux/rcupdate.h>
#include <linux/time_namespace.h>
+#include <trace/hooks/fs.h>
+
struct timerfd_ctx {
union {
struct hrtimer tmr;
@@ -391,6 +393,7 @@ SYSCALL_DEFINE2(timerfd_create, int, clockid, int, flags)
{
int ufd;
struct timerfd_ctx *ctx;
+ char file_name_buf[32];
/* Check the TFD_* constants for consistency. */
BUILD_BUG_ON(TFD_CLOEXEC != O_CLOEXEC);
@@ -427,7 +430,9 @@ SYSCALL_DEFINE2(timerfd_create, int, clockid, int, flags)
ctx->moffs = ktime_mono_to_real(0);
- ufd = anon_inode_getfd("[timerfd]", &timerfd_fops, ctx,
+ strlcpy(file_name_buf, "[timerfd]", sizeof(file_name_buf));
+ trace_android_vh_timerfd_create(file_name_buf, sizeof(file_name_buf));
+ ufd = anon_inode_getfd(file_name_buf, &timerfd_fops, ctx,
O_RDWR | (flags & TFD_SHARED_FCNTL_FLAGS));
if (ufd < 0)
kfree(ctx);
@@ -435,7 +440,7 @@ SYSCALL_DEFINE2(timerfd_create, int, clockid, int, flags)
return ufd;
}
-static int do_timerfd_settime(int ufd, int flags,
+static int do_timerfd_settime(int ufd, int flags,
const struct itimerspec64 *new,
struct itimerspec64 *old)
{
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ad90a3a..a17cb7c 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -203,6 +203,7 @@ static struct dentry *ubifs_lookup(struct inode *dir, struct dentry *dentry,
dbg_gen("'%pd' in dir ino %lu", dentry, dir->i_ino);
err = fscrypt_prepare_lookup(dir, dentry, &nm);
+ generic_set_encrypted_ci_d_ops(dentry);
if (err == -ENOENT)
return d_splice_alias(NULL, dentry);
if (err)
@@ -514,7 +515,7 @@ static int ubifs_readdir(struct file *file, struct dir_context *ctx)
return 0;
if (encrypted) {
- err = fscrypt_get_encryption_info(dir);
+ err = fscrypt_prepare_readdir(dir);
if (err)
return err;
@@ -1626,14 +1627,6 @@ int ubifs_getattr(const struct path *path, struct kstat *stat,
return 0;
}
-static int ubifs_dir_open(struct inode *dir, struct file *file)
-{
- if (IS_ENCRYPTED(dir))
- return fscrypt_get_encryption_info(dir) ? -EACCES : 0;
-
- return 0;
-}
-
const struct inode_operations ubifs_dir_inode_operations = {
.lookup = ubifs_lookup,
.create = ubifs_create,
@@ -1660,7 +1653,6 @@ const struct file_operations ubifs_dir_operations = {
.iterate_shared = ubifs_readdir,
.fsync = ubifs_fsync,
.unlocked_ioctl = ubifs_ioctl,
- .open = ubifs_dir_open,
#ifdef CONFIG_COMPAT
.compat_ioctl = ubifs_compat_ioctl,
#endif
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index dc3e26e9e..a4aaeea 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -102,8 +102,7 @@ static int switch_gc_head(struct ubifs_info *c)
* This function compares data nodes @a and @b. Returns %1 if @a has greater
* inode or block number, and %-1 otherwise.
*/
-static int data_nodes_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int data_nodes_cmp(void *priv, struct list_head *a, struct list_head *b)
{
ino_t inuma, inumb;
struct ubifs_info *c = priv;
@@ -146,8 +145,8 @@ static int data_nodes_cmp(void *priv, const struct list_head *a,
* first and sorted by length in descending order. Directory entry nodes go
* after inode nodes and are sorted in ascending hash valuer order.
*/
-static int nondata_nodes_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int nondata_nodes_cmp(void *priv, struct list_head *a,
+ struct list_head *b)
{
ino_t inuma, inumb;
struct ubifs_info *c = priv;
diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c
index b2f5563..1c6fc99 100644
--- a/fs/ubifs/replay.c
+++ b/fs/ubifs/replay.c
@@ -299,8 +299,8 @@ static int apply_replay_entry(struct ubifs_info *c, struct replay_entry *r)
* entries @a and @b by comparing their sequence numer. Returns %1 if @a has
* greater sequence number and %-1 otherwise.
*/
-static int replay_entries_cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int replay_entries_cmp(void *priv, struct list_head *a,
+ struct list_head *b)
{
struct ubifs_info *c = priv;
struct replay_entry *ra, *rb;
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index 17745f5..b4fc55f 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -693,7 +693,8 @@ int ubifs_init_security(struct inode *dentry, struct inode *inode,
static int xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
dbg_gen("xattr '%s', ino %lu ('%pd'), buf size %zd", name,
inode->i_ino, dentry, size);
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index aef0da5..01cdd2c 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -15,6 +15,7 @@
#include <linux/sched/signal.h>
#include <linux/sched/mm.h>
#include <linux/mm.h>
+#include <linux/mmu_notifier.h>
#include <linux/poll.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
@@ -28,7 +29,7 @@
#include <linux/security.h>
#include <linux/hugetlb.h>
-int sysctl_unprivileged_userfaultfd __read_mostly = 1;
+int sysctl_unprivileged_userfaultfd __read_mostly;
static struct kmem_cache *userfaultfd_ctx_cachep __read_mostly;
@@ -197,24 +198,21 @@ static inline struct uffd_msg userfault_msg(unsigned long address,
msg_init(&msg);
msg.event = UFFD_EVENT_PAGEFAULT;
msg.arg.pagefault.address = address;
+ /*
+ * These flags indicate why the userfault occurred:
+ * - UFFD_PAGEFAULT_FLAG_WP indicates a write protect fault.
+ * - UFFD_PAGEFAULT_FLAG_MINOR indicates a minor fault.
+ * - Neither of these flags being set indicates a MISSING fault.
+ *
+ * Separately, UFFD_PAGEFAULT_FLAG_WRITE indicates it was a write
+ * fault. Otherwise, it was a read fault.
+ */
if (flags & FAULT_FLAG_WRITE)
- /*
- * If UFFD_FEATURE_PAGEFAULT_FLAG_WP was set in the
- * uffdio_api.features and UFFD_PAGEFAULT_FLAG_WRITE
- * was not set in a UFFD_EVENT_PAGEFAULT, it means it
- * was a read fault, otherwise if set it means it's
- * a write fault.
- */
msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_WRITE;
if (reason & VM_UFFD_WP)
- /*
- * If UFFD_FEATURE_PAGEFAULT_FLAG_WP was set in the
- * uffdio_api.features and UFFD_PAGEFAULT_FLAG_WP was
- * not set in a UFFD_EVENT_PAGEFAULT, it means it was
- * a missing fault, otherwise if set it means it's a
- * write protect fault.
- */
msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_WP;
+ if (reason & VM_UFFD_MINOR)
+ msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_MINOR;
if (features & UFFD_FEATURE_THREAD_ID)
msg.arg.pagefault.feat.ptid = task_pid_vnr(current);
return msg;
@@ -401,11 +399,20 @@ vm_fault_t handle_userfault(struct vm_fault *vmf, unsigned long reason)
BUG_ON(ctx->mm != mm);
- VM_BUG_ON(reason & ~(VM_UFFD_MISSING|VM_UFFD_WP));
- VM_BUG_ON(!(reason & VM_UFFD_MISSING) ^ !!(reason & VM_UFFD_WP));
+ /* Any unrecognized flag is a bug. */
+ VM_BUG_ON(reason & ~__VM_UFFD_FLAGS);
+ /* 0 or > 1 flags set is a bug; we expect exactly 1. */
+ VM_BUG_ON(!reason || (reason & (reason - 1)));
if (ctx->features & UFFD_FEATURE_SIGBUS)
goto out;
+ if ((vmf->flags & FAULT_FLAG_USER) == 0 &&
+ ctx->flags & UFFD_USER_MODE_ONLY) {
+ printk_once(KERN_WARNING "uffd: Set unprivileged_userfaultfd "
+ "sysctl knob to 1 if kernel faults must be handled "
+ "without obtaining CAP_SYS_PTRACE capability\n");
+ goto out;
+ }
/*
* If it's already released don't get it. This avoids to loop
@@ -605,7 +612,7 @@ static void userfaultfd_event_wait_completion(struct userfaultfd_ctx *ctx,
for (vma = mm->mmap; vma; vma = vma->vm_next)
if (vma->vm_userfaultfd_ctx.ctx == release_new_ctx) {
vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
- vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
+ vma->vm_flags &= ~__VM_UFFD_FLAGS;
}
mmap_write_unlock(mm);
@@ -636,8 +643,11 @@ int dup_userfaultfd(struct vm_area_struct *vma, struct list_head *fcs)
octx = vma->vm_userfaultfd_ctx.ctx;
if (!octx || !(octx->features & UFFD_FEATURE_EVENT_FORK)) {
+ vm_write_begin(vma);
vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
- vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
+ WRITE_ONCE(vma->vm_flags,
+ vma->vm_flags & ~__VM_UFFD_FLAGS);
+ vm_write_end(vma);
return 0;
}
@@ -718,7 +728,7 @@ void mremap_userfaultfd_prep(struct vm_area_struct *vma,
} else {
/* Drop uffd context if remap feature not enabled */
vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
- vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
+ vma->vm_flags &= ~__VM_UFFD_FLAGS;
}
}
@@ -859,23 +869,26 @@ static int userfaultfd_release(struct inode *inode, struct file *file)
for (vma = mm->mmap; vma; vma = vma->vm_next) {
cond_resched();
BUG_ON(!!vma->vm_userfaultfd_ctx.ctx ^
- !!(vma->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP)));
+ !!(vma->vm_flags & __VM_UFFD_FLAGS));
if (vma->vm_userfaultfd_ctx.ctx != ctx) {
prev = vma;
continue;
}
- new_flags = vma->vm_flags & ~(VM_UFFD_MISSING | VM_UFFD_WP);
+ new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;
prev = vma_merge(mm, prev, vma->vm_start, vma->vm_end,
new_flags, vma->anon_vma,
vma->vm_file, vma->vm_pgoff,
vma_policy(vma),
- NULL_VM_UFFD_CTX);
+ NULL_VM_UFFD_CTX,
+ vma_get_anon_name(vma));
if (prev)
vma = prev;
else
prev = vma;
- vma->vm_flags = new_flags;
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags, new_flags);
vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
+ vm_write_end(vma);
}
mmap_write_unlock(mm);
mmput(mm);
@@ -967,14 +980,14 @@ static __poll_t userfaultfd_poll(struct file *file, poll_table *wait)
static const struct file_operations userfaultfd_fops;
-static int resolve_userfault_fork(struct userfaultfd_ctx *ctx,
- struct userfaultfd_ctx *new,
+static int resolve_userfault_fork(struct userfaultfd_ctx *new,
+ struct inode *inode,
struct uffd_msg *msg)
{
int fd;
- fd = anon_inode_getfd("[userfaultfd]", &userfaultfd_fops, new,
- O_RDWR | (new->flags & UFFD_SHARED_FCNTL_FLAGS));
+ fd = anon_inode_getfd_secure("[userfaultfd]", &userfaultfd_fops, new,
+ O_RDWR | (new->flags & UFFD_SHARED_FCNTL_FLAGS), inode);
if (fd < 0)
return fd;
@@ -984,7 +997,7 @@ static int resolve_userfault_fork(struct userfaultfd_ctx *ctx,
}
static ssize_t userfaultfd_ctx_read(struct userfaultfd_ctx *ctx, int no_wait,
- struct uffd_msg *msg)
+ struct uffd_msg *msg, struct inode *inode)
{
ssize_t ret;
DECLARE_WAITQUEUE(wait, current);
@@ -1095,7 +1108,7 @@ static ssize_t userfaultfd_ctx_read(struct userfaultfd_ctx *ctx, int no_wait,
spin_unlock_irq(&ctx->fd_wqh.lock);
if (!ret && msg->event == UFFD_EVENT_FORK) {
- ret = resolve_userfault_fork(ctx, fork_nctx, msg);
+ ret = resolve_userfault_fork(fork_nctx, inode, msg);
spin_lock_irq(&ctx->event_wqh.lock);
if (!list_empty(&fork_event)) {
/*
@@ -1155,6 +1168,7 @@ static ssize_t userfaultfd_read(struct file *file, char __user *buf,
ssize_t _ret, ret = 0;
struct uffd_msg msg;
int no_wait = file->f_flags & O_NONBLOCK;
+ struct inode *inode = file_inode(file);
if (!userfaultfd_is_initialized(ctx))
return -EINVAL;
@@ -1162,7 +1176,7 @@ static ssize_t userfaultfd_read(struct file *file, char __user *buf,
for (;;) {
if (count < sizeof(msg))
return ret ? ret : -EINVAL;
- _ret = userfaultfd_ctx_read(ctx, no_wait, &msg);
+ _ret = userfaultfd_ctx_read(ctx, no_wait, &msg, inode);
if (_ret < 0)
return ret ? ret : _ret;
if (copy_to_user((__u64 __user *) buf, &msg, sizeof(msg)))
@@ -1246,9 +1260,18 @@ static inline bool vma_can_userfault(struct vm_area_struct *vma,
unsigned long vm_flags)
{
/* FIXME: add WP support to hugetlbfs and shmem */
- return vma_is_anonymous(vma) ||
- ((is_vm_hugetlb_page(vma) || vma_is_shmem(vma)) &&
- !(vm_flags & VM_UFFD_WP));
+ if (vm_flags & VM_UFFD_WP) {
+ if (is_vm_hugetlb_page(vma) || vma_is_shmem(vma))
+ return false;
+ }
+
+ if (vm_flags & VM_UFFD_MINOR) {
+ if (!(is_vm_hugetlb_page(vma) || vma_is_shmem(vma)))
+ return false;
+ }
+
+ return vma_is_anonymous(vma) || is_vm_hugetlb_page(vma) ||
+ vma_is_shmem(vma);
}
static int userfaultfd_register(struct userfaultfd_ctx *ctx,
@@ -1274,14 +1297,19 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
ret = -EINVAL;
if (!uffdio_register.mode)
goto out;
- if (uffdio_register.mode & ~(UFFDIO_REGISTER_MODE_MISSING|
- UFFDIO_REGISTER_MODE_WP))
+ if (uffdio_register.mode & ~UFFD_API_REGISTER_MODES)
goto out;
vm_flags = 0;
if (uffdio_register.mode & UFFDIO_REGISTER_MODE_MISSING)
vm_flags |= VM_UFFD_MISSING;
if (uffdio_register.mode & UFFDIO_REGISTER_MODE_WP)
vm_flags |= VM_UFFD_WP;
+ if (uffdio_register.mode & UFFDIO_REGISTER_MODE_MINOR) {
+#ifndef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+ goto out;
+#endif
+ vm_flags |= VM_UFFD_MINOR;
+ }
ret = validate_range(mm, uffdio_register.range.start,
uffdio_register.range.len);
@@ -1325,7 +1353,7 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
cond_resched();
BUG_ON(!!cur->vm_userfaultfd_ctx.ctx ^
- !!(cur->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP)));
+ !!(cur->vm_flags & __VM_UFFD_FLAGS));
/* check not compatible vmas */
ret = -EINVAL;
@@ -1405,12 +1433,12 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
start = vma->vm_start;
vma_end = min(end, vma->vm_end);
- new_flags = (vma->vm_flags &
- ~(VM_UFFD_MISSING|VM_UFFD_WP)) | vm_flags;
+ new_flags = (vma->vm_flags & ~__VM_UFFD_FLAGS) | vm_flags;
prev = vma_merge(mm, prev, start, vma_end, new_flags,
vma->anon_vma, vma->vm_file, vma->vm_pgoff,
vma_policy(vma),
- ((struct vm_userfaultfd_ctx){ ctx }));
+ ((struct vm_userfaultfd_ctx){ ctx }),
+ vma_get_anon_name(vma));
if (prev) {
vma = prev;
goto next;
@@ -1431,8 +1459,13 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
* the next vma was merged into the current one and
* the current one has not been updated yet.
*/
- vma->vm_flags = new_flags;
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags, new_flags);
vma->vm_userfaultfd_ctx.ctx = ctx;
+ vm_write_end(vma);
+
+ if (is_vm_hugetlb_page(vma) && uffd_disable_huge_pmd_share(vma))
+ hugetlb_unshare_all_pmds(vma);
skip:
prev = vma;
@@ -1455,6 +1488,10 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
if (!(uffdio_register.mode & UFFDIO_REGISTER_MODE_WP))
ioctls_out &= ~((__u64)1 << _UFFDIO_WRITEPROTECT);
+ /* CONTINUE ioctl is only supported for MINOR ranges. */
+ if (!(uffdio_register.mode & UFFDIO_REGISTER_MODE_MINOR))
+ ioctls_out &= ~((__u64)1 << _UFFDIO_CONTINUE);
+
/*
* Now that we scanned all vmas we can already tell
* userland which ioctls methods are guaranteed to
@@ -1525,7 +1562,7 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
cond_resched();
BUG_ON(!!cur->vm_userfaultfd_ctx.ctx ^
- !!(cur->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP)));
+ !!(cur->vm_flags & __VM_UFFD_FLAGS));
/*
* Check not compatible vmas, not strictly required
@@ -1576,11 +1613,12 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
wake_userfault(vma->vm_userfaultfd_ctx.ctx, &range);
}
- new_flags = vma->vm_flags & ~(VM_UFFD_MISSING | VM_UFFD_WP);
+ new_flags = vma->vm_flags & ~__VM_UFFD_FLAGS;
prev = vma_merge(mm, prev, start, vma_end, new_flags,
vma->anon_vma, vma->vm_file, vma->vm_pgoff,
vma_policy(vma),
- NULL_VM_UFFD_CTX);
+ NULL_VM_UFFD_CTX,
+ vma_get_anon_name(vma));
if (prev) {
vma = prev;
goto next;
@@ -1601,8 +1639,10 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
* the next vma was merged into the current one and
* the current one has not been updated yet.
*/
- vma->vm_flags = new_flags;
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags, new_flags);
vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
+ vm_write_end(vma);
skip:
prev = vma;
@@ -1814,6 +1854,66 @@ static int userfaultfd_writeprotect(struct userfaultfd_ctx *ctx,
return ret;
}
+static int userfaultfd_continue(struct userfaultfd_ctx *ctx, unsigned long arg)
+{
+ __s64 ret;
+ struct uffdio_continue uffdio_continue;
+ struct uffdio_continue __user *user_uffdio_continue;
+ struct userfaultfd_wake_range range;
+
+ user_uffdio_continue = (struct uffdio_continue __user *)arg;
+
+ ret = -EAGAIN;
+ if (READ_ONCE(ctx->mmap_changing))
+ goto out;
+
+ ret = -EFAULT;
+ if (copy_from_user(&uffdio_continue, user_uffdio_continue,
+ /* don't copy the output fields */
+ sizeof(uffdio_continue) - (sizeof(__s64))))
+ goto out;
+
+ ret = validate_range(ctx->mm, uffdio_continue.range.start,
+ uffdio_continue.range.len);
+ if (ret)
+ goto out;
+
+ ret = -EINVAL;
+ /* double check for wraparound just in case. */
+ if (uffdio_continue.range.start + uffdio_continue.range.len <=
+ uffdio_continue.range.start) {
+ goto out;
+ }
+ if (uffdio_continue.mode & ~UFFDIO_CONTINUE_MODE_DONTWAKE)
+ goto out;
+
+ if (mmget_not_zero(ctx->mm)) {
+ ret = mcopy_continue(ctx->mm, uffdio_continue.range.start,
+ uffdio_continue.range.len,
+ &ctx->mmap_changing);
+ mmput(ctx->mm);
+ } else {
+ return -ESRCH;
+ }
+
+ if (unlikely(put_user(ret, &user_uffdio_continue->mapped)))
+ return -EFAULT;
+ if (ret < 0)
+ goto out;
+
+ /* len == 0 would wake all */
+ BUG_ON(!ret);
+ range.len = ret;
+ if (!(uffdio_continue.mode & UFFDIO_CONTINUE_MODE_DONTWAKE)) {
+ range.start = uffdio_continue.range.start;
+ wake_userfault(ctx, &range);
+ }
+ ret = range.len == uffdio_continue.range.len ? 0 : -EAGAIN;
+
+out:
+ return ret;
+}
+
static inline unsigned int uffd_ctx_features(__u64 user_features)
{
/*
@@ -1849,6 +1949,10 @@ static int userfaultfd_api(struct userfaultfd_ctx *ctx,
goto err_out;
/* report all available features and ioctls to userland */
uffdio_api.features = UFFD_API_FEATURES;
+#ifndef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+ uffdio_api.features &=
+ ~(UFFD_FEATURE_MINOR_HUGETLBFS | UFFD_FEATURE_MINOR_SHMEM);
+#endif
uffdio_api.ioctls = UFFD_API_IOCTLS;
ret = -EFAULT;
if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api)))
@@ -1901,6 +2005,9 @@ static long userfaultfd_ioctl(struct file *file, unsigned cmd,
case UFFDIO_WRITEPROTECT:
ret = userfaultfd_writeprotect(ctx, arg);
break;
+ case UFFDIO_CONTINUE:
+ ret = userfaultfd_continue(ctx, arg);
+ break;
}
return ret;
}
@@ -1961,16 +2068,23 @@ SYSCALL_DEFINE1(userfaultfd, int, flags)
struct userfaultfd_ctx *ctx;
int fd;
- if (!sysctl_unprivileged_userfaultfd && !capable(CAP_SYS_PTRACE))
+ if (!sysctl_unprivileged_userfaultfd &&
+ (flags & UFFD_USER_MODE_ONLY) == 0 &&
+ !capable(CAP_SYS_PTRACE)) {
+ printk_once(KERN_WARNING "uffd: Set unprivileged_userfaultfd "
+ "sysctl knob to 1 if kernel faults must be handled "
+ "without obtaining CAP_SYS_PTRACE capability\n");
return -EPERM;
+ }
BUG_ON(!current->mm);
/* Check the UFFD_* constants for consistency. */
+ BUILD_BUG_ON(UFFD_USER_MODE_ONLY & UFFD_SHARED_FCNTL_FLAGS);
BUILD_BUG_ON(UFFD_CLOEXEC != O_CLOEXEC);
BUILD_BUG_ON(UFFD_NONBLOCK != O_NONBLOCK);
- if (flags & ~UFFD_SHARED_FCNTL_FLAGS)
+ if (flags & ~(UFFD_SHARED_FCNTL_FLAGS | UFFD_USER_MODE_ONLY))
return -EINVAL;
ctx = kmem_cache_alloc(userfaultfd_ctx_cachep, GFP_KERNEL);
@@ -1986,8 +2100,8 @@ SYSCALL_DEFINE1(userfaultfd, int, flags)
/* prevent the mm struct to be freed */
mmgrab(ctx->mm);
- fd = anon_inode_getfd("[userfaultfd]", &userfaultfd_fops, ctx,
- O_RDWR | (flags & UFFD_SHARED_FCNTL_FLAGS));
+ fd = anon_inode_getfd_secure("[userfaultfd]", &userfaultfd_fops, ctx,
+ O_RDWR | (flags & UFFD_SHARED_FCNTL_FLAGS), NULL);
if (fd < 0) {
mmdrop(ctx->mm);
kmem_cache_free(userfaultfd_ctx_cachep, ctx);
diff --git a/fs/verity/Kconfig b/fs/verity/Kconfig
index 88fb251..24d1b54 100644
--- a/fs/verity/Kconfig
+++ b/fs/verity/Kconfig
@@ -3,9 +3,13 @@
config FS_VERITY
bool "FS Verity (read-only file-based authenticity protection)"
select CRYPTO
- # SHA-256 is selected as it's intended to be the default hash algorithm.
+ # SHA-256 is implied as it's intended to be the default hash algorithm.
# To avoid bloat, other wanted algorithms must be selected explicitly.
- select CRYPTO_SHA256
+ # Note that CRYPTO_SHA256 denotes the generic C implementation, but
+ # some architectures provided optimized implementations of the same
+ # algorithm that may be used instead. In this case, CRYPTO_SHA256 may
+ # be omitted even if SHA-256 is being used.
+ imply CRYPTO_SHA256
help
This option enables fs-verity. fs-verity is the dm-verity
mechanism implemented at the file level. On supported
diff --git a/fs/verity/Makefile b/fs/verity/Makefile
index 570e913..435559a 100644
--- a/fs/verity/Makefile
+++ b/fs/verity/Makefile
@@ -5,6 +5,7 @@
init.o \
measure.o \
open.o \
+ read_metadata.o \
verify.o
obj-$(CONFIG_FS_VERITY_BUILTIN_SIGNATURES) += signature.o
diff --git a/fs/verity/enable.c b/fs/verity/enable.c
index 734862e..bed2b10 100644
--- a/fs/verity/enable.c
+++ b/fs/verity/enable.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * fs/verity/enable.c: ioctl to enable verity on a file
+ * Ioctl to enable verity on a file
*
* Copyright 2019 Google LLC
*/
@@ -398,9 +398,9 @@ int fsverity_ioctl_enable(struct file *filp, const void __user *uarg)
* Some pages of the file may have been evicted from pagecache after
* being used in the Merkle tree construction, then read into pagecache
* again by another process reading from the file concurrently. Since
- * these pages didn't undergo verification against the file measurement
- * which fs-verity now claims to be enforcing, we have to wipe the
- * pagecache to ensure that all future reads are verified.
+ * these pages didn't undergo verification against the file digest which
+ * fs-verity now claims to be enforcing, we have to wipe the pagecache
+ * to ensure that all future reads are verified.
*/
filemap_write_and_wait(inode->i_mapping);
invalidate_inode_pages2(inode->i_mapping);
diff --git a/fs/verity/fsverity_private.h b/fs/verity/fsverity_private.h
index e96d99d..a275cad 100644
--- a/fs/verity/fsverity_private.h
+++ b/fs/verity/fsverity_private.h
@@ -67,52 +67,22 @@ struct merkle_tree_params {
* When a verity file is first opened, an instance of this struct is allocated
* and stored in ->i_verity_info; it remains until the inode is evicted. It
* caches information about the Merkle tree that's needed to efficiently verify
- * data read from the file. It also caches the file measurement. The Merkle
- * tree pages themselves are not cached here, but the filesystem may cache them.
+ * data read from the file. It also caches the file digest. The Merkle tree
+ * pages themselves are not cached here, but the filesystem may cache them.
*/
struct fsverity_info {
struct merkle_tree_params tree_params;
u8 root_hash[FS_VERITY_MAX_DIGEST_SIZE];
- u8 measurement[FS_VERITY_MAX_DIGEST_SIZE];
+ u8 file_digest[FS_VERITY_MAX_DIGEST_SIZE];
const struct inode *inode;
};
-/*
- * Merkle tree properties. The file measurement is the hash of this structure
- * excluding the signature and with the sig_size field set to 0.
- */
-struct fsverity_descriptor {
- __u8 version; /* must be 1 */
- __u8 hash_algorithm; /* Merkle tree hash algorithm */
- __u8 log_blocksize; /* log2 of size of data and tree blocks */
- __u8 salt_size; /* size of salt in bytes; 0 if none */
- __le32 sig_size; /* size of signature in bytes; 0 if none */
- __le64 data_size; /* size of file the Merkle tree is built over */
- __u8 root_hash[64]; /* Merkle tree root hash */
- __u8 salt[32]; /* salt prepended to each hashed block */
- __u8 __reserved[144]; /* must be 0's */
- __u8 signature[]; /* optional PKCS#7 signature */
-};
-
/* Arbitrary limit to bound the kmalloc() size. Can be changed. */
#define FS_VERITY_MAX_DESCRIPTOR_SIZE 16384
#define FS_VERITY_MAX_SIGNATURE_SIZE (FS_VERITY_MAX_DESCRIPTOR_SIZE - \
sizeof(struct fsverity_descriptor))
-/*
- * Format in which verity file measurements are signed. This is the same as
- * 'struct fsverity_digest', except here some magic bytes are prepended to
- * provide some context about what is being signed in case the same key is used
- * for non-fsverity purposes, and here the fields have fixed endianness.
- */
-struct fsverity_signed_digest {
- char magic[8]; /* must be "FSVerity" */
- __le16 digest_algorithm;
- __le16 digest_size;
- __u8 digest[];
-};
-
/* hash_algs.c */
extern struct fsverity_hash_alg fsverity_hash_algs[];
@@ -152,12 +122,17 @@ int fsverity_init_merkle_tree_params(struct merkle_tree_params *params,
const u8 *salt, size_t salt_size);
struct fsverity_info *fsverity_create_info(const struct inode *inode,
- void *desc, size_t desc_size);
+ struct fsverity_descriptor *desc,
+ size_t desc_size);
void fsverity_set_info(struct inode *inode, struct fsverity_info *vi);
void fsverity_free_info(struct fsverity_info *vi);
+int fsverity_get_descriptor(struct inode *inode,
+ struct fsverity_descriptor **desc_ret,
+ size_t *desc_size_ret);
+
int __init fsverity_init_info_cache(void);
void __init fsverity_exit_info_cache(void);
@@ -165,15 +140,13 @@ void __init fsverity_exit_info_cache(void);
#ifdef CONFIG_FS_VERITY_BUILTIN_SIGNATURES
int fsverity_verify_signature(const struct fsverity_info *vi,
- const struct fsverity_descriptor *desc,
- size_t desc_size);
+ const u8 *signature, size_t sig_size);
int __init fsverity_init_signature(void);
#else /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */
static inline int
fsverity_verify_signature(const struct fsverity_info *vi,
- const struct fsverity_descriptor *desc,
- size_t desc_size)
+ const u8 *signature, size_t sig_size)
{
return 0;
}
diff --git a/fs/verity/hash_algs.c b/fs/verity/hash_algs.c
index c37e186..71d0fcc 100644
--- a/fs/verity/hash_algs.c
+++ b/fs/verity/hash_algs.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * fs/verity/hash_algs.c: fs-verity hash algorithms
+ * fs-verity hash algorithms
*
* Copyright 2019 Google LLC
*/
diff --git a/fs/verity/init.c b/fs/verity/init.c
index 94c104e..c98b701 100644
--- a/fs/verity/init.c
+++ b/fs/verity/init.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * fs/verity/init.c: fs-verity module initialization and logging
+ * fs-verity module initialization and logging
*
* Copyright 2019 Google LLC
*/
diff --git a/fs/verity/measure.c b/fs/verity/measure.c
index df409a5..f0d7b30 100644
--- a/fs/verity/measure.c
+++ b/fs/verity/measure.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * fs/verity/measure.c: ioctl to get a verity file's measurement
+ * Ioctl to get a verity file's digest
*
* Copyright 2019 Google LLC
*/
@@ -10,12 +10,12 @@
#include <linux/uaccess.h>
/**
- * fsverity_ioctl_measure() - get a verity file's measurement
- * @filp: file to get measurement of
+ * fsverity_ioctl_measure() - get a verity file's digest
+ * @filp: file to get digest of
* @_uarg: user pointer to fsverity_digest
*
- * Retrieve the file measurement that the kernel is enforcing for reads from a
- * verity file. See the "FS_IOC_MEASURE_VERITY" section of
+ * Retrieve the file digest that the kernel is enforcing for reads from a verity
+ * file. See the "FS_IOC_MEASURE_VERITY" section of
* Documentation/filesystems/fsverity.rst for the documentation.
*
* Return: 0 on success, -errno on failure
@@ -51,7 +51,7 @@ int fsverity_ioctl_measure(struct file *filp, void __user *_uarg)
if (copy_to_user(uarg, &arg, sizeof(arg)))
return -EFAULT;
- if (copy_to_user(uarg->digest, vi->measurement, hash_alg->digest_size))
+ if (copy_to_user(uarg->digest, vi->file_digest, hash_alg->digest_size))
return -EFAULT;
return 0;
diff --git a/fs/verity/open.c b/fs/verity/open.c
index 67d71f7..92df87f 100644
--- a/fs/verity/open.c
+++ b/fs/verity/open.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * fs/verity/open.c: opening fs-verity files
+ * Opening fs-verity files
*
* Copyright 2019 Google LLC
*/
@@ -124,63 +124,35 @@ int fsverity_init_merkle_tree_params(struct merkle_tree_params *params,
}
/*
- * Compute the file measurement by hashing the fsverity_descriptor excluding the
+ * Compute the file digest by hashing the fsverity_descriptor excluding the
* signature and with the sig_size field set to 0.
*/
-static int compute_file_measurement(struct fsverity_hash_alg *hash_alg,
- struct fsverity_descriptor *desc,
- u8 *measurement)
+static int compute_file_digest(struct fsverity_hash_alg *hash_alg,
+ struct fsverity_descriptor *desc,
+ u8 *file_digest)
{
__le32 sig_size = desc->sig_size;
int err;
desc->sig_size = 0;
- err = fsverity_hash_buffer(hash_alg, desc, sizeof(*desc), measurement);
+ err = fsverity_hash_buffer(hash_alg, desc, sizeof(*desc), file_digest);
desc->sig_size = sig_size;
return err;
}
/*
- * Validate the given fsverity_descriptor and create a new fsverity_info from
- * it. The signature (if present) is also checked.
+ * Create a new fsverity_info from the given fsverity_descriptor (with optional
+ * appended signature), and check the signature if present. The
+ * fsverity_descriptor must have already undergone basic validation.
*/
struct fsverity_info *fsverity_create_info(const struct inode *inode,
- void *_desc, size_t desc_size)
+ struct fsverity_descriptor *desc,
+ size_t desc_size)
{
- struct fsverity_descriptor *desc = _desc;
struct fsverity_info *vi;
int err;
- if (desc_size < sizeof(*desc)) {
- fsverity_err(inode, "Unrecognized descriptor size: %zu bytes",
- desc_size);
- return ERR_PTR(-EINVAL);
- }
-
- if (desc->version != 1) {
- fsverity_err(inode, "Unrecognized descriptor version: %u",
- desc->version);
- return ERR_PTR(-EINVAL);
- }
-
- if (memchr_inv(desc->__reserved, 0, sizeof(desc->__reserved))) {
- fsverity_err(inode, "Reserved bits set in descriptor");
- return ERR_PTR(-EINVAL);
- }
-
- if (desc->salt_size > sizeof(desc->salt)) {
- fsverity_err(inode, "Invalid salt_size: %u", desc->salt_size);
- return ERR_PTR(-EINVAL);
- }
-
- if (le64_to_cpu(desc->data_size) != inode->i_size) {
- fsverity_err(inode,
- "Wrong data_size: %llu (desc) != %lld (inode)",
- le64_to_cpu(desc->data_size), inode->i_size);
- return ERR_PTR(-EINVAL);
- }
-
vi = kmem_cache_zalloc(fsverity_info_cachep, GFP_KERNEL);
if (!vi)
return ERR_PTR(-ENOMEM);
@@ -199,17 +171,18 @@ struct fsverity_info *fsverity_create_info(const struct inode *inode,
memcpy(vi->root_hash, desc->root_hash, vi->tree_params.digest_size);
- err = compute_file_measurement(vi->tree_params.hash_alg, desc,
- vi->measurement);
+ err = compute_file_digest(vi->tree_params.hash_alg, desc,
+ vi->file_digest);
if (err) {
- fsverity_err(inode, "Error %d computing file measurement", err);
+ fsverity_err(inode, "Error %d computing file digest", err);
goto out;
}
- pr_debug("Computed file measurement: %s:%*phN\n",
+ pr_debug("Computed file digest: %s:%*phN\n",
vi->tree_params.hash_alg->name,
- vi->tree_params.digest_size, vi->measurement);
+ vi->tree_params.digest_size, vi->file_digest);
- err = fsverity_verify_signature(vi, desc, desc_size);
+ err = fsverity_verify_signature(vi, desc->signature,
+ le32_to_cpu(desc->sig_size));
out:
if (err) {
fsverity_free_info(vi);
@@ -245,15 +218,57 @@ void fsverity_free_info(struct fsverity_info *vi)
kmem_cache_free(fsverity_info_cachep, vi);
}
-/* Ensure the inode has an ->i_verity_info */
-static int ensure_verity_info(struct inode *inode)
+static bool validate_fsverity_descriptor(struct inode *inode,
+ const struct fsverity_descriptor *desc,
+ size_t desc_size)
{
- struct fsverity_info *vi = fsverity_get_info(inode);
- struct fsverity_descriptor *desc;
- int res;
+ if (desc_size < sizeof(*desc)) {
+ fsverity_err(inode, "Unrecognized descriptor size: %zu bytes",
+ desc_size);
+ return false;
+ }
- if (vi)
- return 0;
+ if (desc->version != 1) {
+ fsverity_err(inode, "Unrecognized descriptor version: %u",
+ desc->version);
+ return false;
+ }
+
+ if (memchr_inv(desc->__reserved, 0, sizeof(desc->__reserved))) {
+ fsverity_err(inode, "Reserved bits set in descriptor");
+ return false;
+ }
+
+ if (desc->salt_size > sizeof(desc->salt)) {
+ fsverity_err(inode, "Invalid salt_size: %u", desc->salt_size);
+ return false;
+ }
+
+ if (le64_to_cpu(desc->data_size) != inode->i_size) {
+ fsverity_err(inode,
+ "Wrong data_size: %llu (desc) != %lld (inode)",
+ le64_to_cpu(desc->data_size), inode->i_size);
+ return false;
+ }
+
+ if (le32_to_cpu(desc->sig_size) > desc_size - sizeof(*desc)) {
+ fsverity_err(inode, "Signature overflows verity descriptor");
+ return false;
+ }
+
+ return true;
+}
+
+/*
+ * Read the inode's fsverity_descriptor (with optional appended signature) from
+ * the filesystem, and do basic validation of it.
+ */
+int fsverity_get_descriptor(struct inode *inode,
+ struct fsverity_descriptor **desc_ret,
+ size_t *desc_size_ret)
+{
+ int res;
+ struct fsverity_descriptor *desc;
res = inode->i_sb->s_vop->get_verity_descriptor(inode, NULL, 0);
if (res < 0) {
@@ -272,20 +287,46 @@ static int ensure_verity_info(struct inode *inode)
res = inode->i_sb->s_vop->get_verity_descriptor(inode, desc, res);
if (res < 0) {
fsverity_err(inode, "Error %d reading verity descriptor", res);
- goto out_free_desc;
+ kfree(desc);
+ return res;
}
- vi = fsverity_create_info(inode, desc, res);
+ if (!validate_fsverity_descriptor(inode, desc, res)) {
+ kfree(desc);
+ return -EINVAL;
+ }
+
+ *desc_ret = desc;
+ *desc_size_ret = res;
+ return 0;
+}
+
+/* Ensure the inode has an ->i_verity_info */
+static int ensure_verity_info(struct inode *inode)
+{
+ struct fsverity_info *vi = fsverity_get_info(inode);
+ struct fsverity_descriptor *desc;
+ size_t desc_size;
+ int err;
+
+ if (vi)
+ return 0;
+
+ err = fsverity_get_descriptor(inode, &desc, &desc_size);
+ if (err)
+ return err;
+
+ vi = fsverity_create_info(inode, desc, desc_size);
if (IS_ERR(vi)) {
- res = PTR_ERR(vi);
+ err = PTR_ERR(vi);
goto out_free_desc;
}
fsverity_set_info(inode, vi);
- res = 0;
+ err = 0;
out_free_desc:
kfree(desc);
- return res;
+ return err;
}
/**
@@ -354,7 +395,7 @@ int __init fsverity_init_info_cache(void)
{
fsverity_info_cachep = KMEM_CACHE_USERCOPY(fsverity_info,
SLAB_RECLAIM_ACCOUNT,
- measurement);
+ file_digest);
if (!fsverity_info_cachep)
return -ENOMEM;
return 0;
diff --git a/fs/verity/read_metadata.c b/fs/verity/read_metadata.c
new file mode 100644
index 0000000..7e2d0c7
--- /dev/null
+++ b/fs/verity/read_metadata.c
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Ioctl to read verity metadata
+ *
+ * Copyright 2021 Google LLC
+ */
+
+#include "fsverity_private.h"
+
+#include <linux/backing-dev.h>
+#include <linux/highmem.h>
+#include <linux/sched/signal.h>
+#include <linux/uaccess.h>
+
+static int fsverity_read_merkle_tree(struct inode *inode,
+ const struct fsverity_info *vi,
+ void __user *buf, u64 offset, int length)
+{
+ const struct fsverity_operations *vops = inode->i_sb->s_vop;
+ u64 end_offset;
+ unsigned int offs_in_page;
+ pgoff_t index, last_index;
+ int retval = 0;
+ int err = 0;
+
+ end_offset = min(offset + length, vi->tree_params.tree_size);
+ if (offset >= end_offset)
+ return 0;
+ offs_in_page = offset_in_page(offset);
+ last_index = (end_offset - 1) >> PAGE_SHIFT;
+
+ /*
+ * Iterate through each Merkle tree page in the requested range and copy
+ * the requested portion to userspace. Note that the Merkle tree block
+ * size isn't important here, as we are returning a byte stream; i.e.,
+ * we can just work with pages even if the tree block size != PAGE_SIZE.
+ */
+ for (index = offset >> PAGE_SHIFT; index <= last_index; index++) {
+ unsigned long num_ra_pages =
+ min_t(unsigned long, last_index - index + 1,
+ inode->i_sb->s_bdi->io_pages);
+ unsigned int bytes_to_copy = min_t(u64, end_offset - offset,
+ PAGE_SIZE - offs_in_page);
+ struct page *page;
+ const void *virt;
+
+ page = vops->read_merkle_tree_page(inode, index, num_ra_pages);
+ if (IS_ERR(page)) {
+ err = PTR_ERR(page);
+ fsverity_err(inode,
+ "Error %d reading Merkle tree page %lu",
+ err, index);
+ break;
+ }
+
+ virt = kmap(page);
+ if (copy_to_user(buf, virt + offs_in_page, bytes_to_copy)) {
+ kunmap(page);
+ put_page(page);
+ err = -EFAULT;
+ break;
+ }
+ kunmap(page);
+ put_page(page);
+
+ retval += bytes_to_copy;
+ buf += bytes_to_copy;
+ offset += bytes_to_copy;
+
+ if (fatal_signal_pending(current)) {
+ err = -EINTR;
+ break;
+ }
+ cond_resched();
+ offs_in_page = 0;
+ }
+ return retval ? retval : err;
+}
+
+/* Copy the requested portion of the buffer to userspace. */
+static int fsverity_read_buffer(void __user *dst, u64 offset, int length,
+ const void *src, size_t src_length)
+{
+ if (offset >= src_length)
+ return 0;
+ src += offset;
+ src_length -= offset;
+
+ length = min_t(size_t, length, src_length);
+
+ if (copy_to_user(dst, src, length))
+ return -EFAULT;
+
+ return length;
+}
+
+static int fsverity_read_descriptor(struct inode *inode,
+ void __user *buf, u64 offset, int length)
+{
+ struct fsverity_descriptor *desc;
+ size_t desc_size;
+ int res;
+
+ res = fsverity_get_descriptor(inode, &desc, &desc_size);
+ if (res)
+ return res;
+
+ /* don't include the signature */
+ desc_size = offsetof(struct fsverity_descriptor, signature);
+ desc->sig_size = 0;
+
+ res = fsverity_read_buffer(buf, offset, length, desc, desc_size);
+
+ kfree(desc);
+ return res;
+}
+
+static int fsverity_read_signature(struct inode *inode,
+ void __user *buf, u64 offset, int length)
+{
+ struct fsverity_descriptor *desc;
+ size_t desc_size;
+ int res;
+
+ res = fsverity_get_descriptor(inode, &desc, &desc_size);
+ if (res)
+ return res;
+
+ if (desc->sig_size == 0) {
+ res = -ENODATA;
+ goto out;
+ }
+
+ /*
+ * Include only the signature. Note that fsverity_get_descriptor()
+ * already verified that sig_size is in-bounds.
+ */
+ res = fsverity_read_buffer(buf, offset, length, desc->signature,
+ le32_to_cpu(desc->sig_size));
+out:
+ kfree(desc);
+ return res;
+}
+
+/**
+ * fsverity_ioctl_read_metadata() - read verity metadata from a file
+ * @filp: file to read the metadata from
+ * @uarg: user pointer to fsverity_read_metadata_arg
+ *
+ * Return: length read on success, 0 on EOF, -errno on failure
+ */
+int fsverity_ioctl_read_metadata(struct file *filp, const void __user *uarg)
+{
+ struct inode *inode = file_inode(filp);
+ const struct fsverity_info *vi;
+ struct fsverity_read_metadata_arg arg;
+ int length;
+ void __user *buf;
+
+ vi = fsverity_get_info(inode);
+ if (!vi)
+ return -ENODATA; /* not a verity file */
+ /*
+ * Note that we don't have to explicitly check that the file is open for
+ * reading, since verity files can only be opened for reading.
+ */
+
+ if (copy_from_user(&arg, uarg, sizeof(arg)))
+ return -EFAULT;
+
+ if (arg.__reserved)
+ return -EINVAL;
+
+ /* offset + length must not overflow. */
+ if (arg.offset + arg.length < arg.offset)
+ return -EINVAL;
+
+ /* Ensure that the return value will fit in INT_MAX. */
+ length = min_t(u64, arg.length, INT_MAX);
+
+ buf = u64_to_user_ptr(arg.buf_ptr);
+
+ switch (arg.metadata_type) {
+ case FS_VERITY_METADATA_TYPE_MERKLE_TREE:
+ return fsverity_read_merkle_tree(inode, vi, buf, arg.offset,
+ length);
+ case FS_VERITY_METADATA_TYPE_DESCRIPTOR:
+ return fsverity_read_descriptor(inode, buf, arg.offset, length);
+ case FS_VERITY_METADATA_TYPE_SIGNATURE:
+ return fsverity_read_signature(inode, buf, arg.offset, length);
+ default:
+ return -EINVAL;
+ }
+}
+EXPORT_SYMBOL_GPL(fsverity_ioctl_read_metadata);
diff --git a/fs/verity/signature.c b/fs/verity/signature.c
index b14ed96..e33f6c4 100644
--- a/fs/verity/signature.c
+++ b/fs/verity/signature.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * fs/verity/signature.c: verification of builtin signatures
+ * Verification of builtin signatures
*
* Copyright 2019 Google LLC
*/
@@ -29,24 +29,49 @@ static struct key *fsverity_keyring;
/**
* fsverity_verify_signature() - check a verity file's signature
* @vi: the file's fsverity_info
- * @desc: the file's fsverity_descriptor
- * @desc_size: size of @desc
+ * @signature: the file's built-in signature
+ * @sig_size: size of signature in bytes, or 0 if no signature
*
- * If the file's fs-verity descriptor includes a signature of the file
- * measurement, verify it against the certificates in the fs-verity keyring.
+ * If the file includes a signature of its fs-verity file digest, verify it
+ * against the certificates in the fs-verity keyring.
*
* Return: 0 on success (signature valid or not required); -errno on failure
*/
int fsverity_verify_signature(const struct fsverity_info *vi,
- const struct fsverity_descriptor *desc,
- size_t desc_size)
+ const u8 *signature, size_t sig_size)
{
- const struct inode *inode = vi->inode;
- const struct fsverity_hash_alg *hash_alg = vi->tree_params.hash_alg;
- const u32 sig_size = le32_to_cpu(desc->sig_size);
- struct fsverity_signed_digest *d;
+ unsigned int digest_algorithm =
+ vi->tree_params.hash_alg - fsverity_hash_algs;
+
+ return __fsverity_verify_signature(vi->inode, signature, sig_size,
+ vi->file_digest, digest_algorithm);
+}
+
+/**
+ * __fsverity_verify_signature() - check a verity file's signature
+ * @inode: the file's inode
+ * @signature: the file's signature
+ * @sig_size: size of @signature. Can be 0 if there is no signature
+ * @file_digest: the file's digest
+ * @digest_algorithm: the digest algorithm used
+ *
+ * Takes the file's digest and optional signature and verifies the signature
+ * against the digest and the fs-verity keyring if appropriate
+ *
+ * Return: 0 on success (signature valid or not required); -errno on failure
+ */
+int __fsverity_verify_signature(const struct inode *inode, const u8 *signature,
+ size_t sig_size, const u8 *file_digest,
+ unsigned int digest_algorithm)
+{
+ struct fsverity_formatted_digest *d;
+ struct fsverity_hash_alg *hash_alg = fsverity_get_hash_alg(inode,
+ digest_algorithm);
int err;
+ if (IS_ERR(hash_alg))
+ return PTR_ERR(hash_alg);
+
if (sig_size == 0) {
if (fsverity_require_signatures) {
fsverity_err(inode,
@@ -56,22 +81,16 @@ int fsverity_verify_signature(const struct fsverity_info *vi,
return 0;
}
- if (sig_size > desc_size - sizeof(*desc)) {
- fsverity_err(inode, "Signature overflows verity descriptor");
- return -EBADMSG;
- }
-
d = kzalloc(sizeof(*d) + hash_alg->digest_size, GFP_KERNEL);
if (!d)
return -ENOMEM;
memcpy(d->magic, "FSVerity", 8);
d->digest_algorithm = cpu_to_le16(hash_alg - fsverity_hash_algs);
d->digest_size = cpu_to_le16(hash_alg->digest_size);
- memcpy(d->digest, vi->measurement, hash_alg->digest_size);
+ memcpy(d->digest, file_digest, hash_alg->digest_size);
err = verify_pkcs7_signature(d, sizeof(*d) + hash_alg->digest_size,
- desc->signature, sig_size,
- fsverity_keyring,
+ signature, sig_size, fsverity_keyring,
VERIFYING_UNSPECIFIED_SIGNATURE,
NULL, NULL);
kfree(d);
@@ -90,10 +109,11 @@ int fsverity_verify_signature(const struct fsverity_info *vi,
return err;
}
- pr_debug("Valid signature for file measurement %s:%*phN\n",
- hash_alg->name, hash_alg->digest_size, vi->measurement);
+ pr_debug("Valid signature for file digest %s:%*phN\n",
+ hash_alg->name, hash_alg->digest_size, file_digest);
return 0;
}
+EXPORT_SYMBOL_GPL(__fsverity_verify_signature);
#ifdef CONFIG_SYSCTL
static struct ctl_table_header *fsverity_sysctl_header;
diff --git a/fs/verity/verify.c b/fs/verity/verify.c
index a8b68c6..0adb970 100644
--- a/fs/verity/verify.c
+++ b/fs/verity/verify.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * fs/verity/verify.c: data verification functions, i.e. hooks for ->readpages()
+ * Data verification functions, i.e. hooks for ->readpages()
*
* Copyright 2019 Google LLC
*/
diff --git a/fs/xattr.c b/fs/xattr.c
index cd7a563..d6bf5a7 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -345,7 +345,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value,
return PTR_ERR(handler);
if (!handler->get)
return -EOPNOTSUPP;
- error = handler->get(handler, dentry, inode, name, NULL, 0);
+ error = handler->get(handler, dentry, inode, name, NULL, 0, 0);
if (error < 0)
return error;
@@ -356,32 +356,20 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value,
memset(value, 0, error + 1);
}
- error = handler->get(handler, dentry, inode, name, value, error);
+ error = handler->get(handler, dentry, inode, name, value, error, 0);
*xattr_value = value;
return error;
}
ssize_t
__vfs_getxattr(struct dentry *dentry, struct inode *inode, const char *name,
- void *value, size_t size)
+ void *value, size_t size, int flags)
{
const struct xattr_handler *handler;
-
- handler = xattr_resolve_name(inode, &name);
- if (IS_ERR(handler))
- return PTR_ERR(handler);
- if (!handler->get)
- return -EOPNOTSUPP;
- return handler->get(handler, dentry, inode, name, value, size);
-}
-EXPORT_SYMBOL(__vfs_getxattr);
-
-ssize_t
-vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
-{
- struct inode *inode = dentry->d_inode;
int error;
+ if (flags & XATTR_NOSECURITY)
+ goto nolsm;
error = xattr_permission(inode, name, MAY_READ);
if (error)
return error;
@@ -403,7 +391,19 @@ vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
return ret;
}
nolsm:
- return __vfs_getxattr(dentry, inode, name, value, size);
+ handler = xattr_resolve_name(inode, &name);
+ if (IS_ERR(handler))
+ return PTR_ERR(handler);
+ if (!handler->get)
+ return -EOPNOTSUPP;
+ return handler->get(handler, dentry, inode, name, value, size, flags);
+}
+EXPORT_SYMBOL(__vfs_getxattr);
+
+ssize_t
+vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
+{
+ return __vfs_getxattr(dentry, dentry->d_inode, name, value, size, 0);
}
EXPORT_SYMBOL_GPL(vfs_getxattr);
diff --git a/fs/xfs/scrub/bitmap.c b/fs/xfs/scrub/bitmap.c
index 813b5f2..f88694f 100644
--- a/fs/xfs/scrub/bitmap.c
+++ b/fs/xfs/scrub/bitmap.c
@@ -63,8 +63,8 @@ xbitmap_init(
static int
xbitmap_range_cmp(
void *priv,
- const struct list_head *a,
- const struct list_head *b)
+ struct list_head *a,
+ struct list_head *b)
{
struct xbitmap_range *ap;
struct xbitmap_range *bp;
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 984bb48..9e16a4d 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -265,8 +265,8 @@ xfs_trans_log_finish_bmap_update(
static int
xfs_bmap_update_diff_items(
void *priv,
- const struct list_head *a,
- const struct list_head *b)
+ struct list_head *a,
+ struct list_head *b)
{
struct xfs_bmap_intent *ba;
struct xfs_bmap_intent *bb;
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 1188190..4e4cf91 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -2114,9 +2114,9 @@ xfs_buf_delwri_queue(
*/
static int
xfs_buf_cmp(
- void *priv,
- const struct list_head *a,
- const struct list_head *b)
+ void *priv,
+ struct list_head *a,
+ struct list_head *b)
{
struct xfs_buf *ap = container_of(a, struct xfs_buf, b_list);
struct xfs_buf *bp = container_of(b, struct xfs_buf, b_list);
diff --git a/fs/xfs/xfs_extent_busy.c b/fs/xfs/xfs_extent_busy.c
index 5c2695a..3991e59 100644
--- a/fs/xfs/xfs_extent_busy.c
+++ b/fs/xfs/xfs_extent_busy.c
@@ -643,8 +643,8 @@ xfs_extent_busy_wait_all(
int
xfs_extent_busy_ag_cmp(
void *priv,
- const struct list_head *l1,
- const struct list_head *l2)
+ struct list_head *l1,
+ struct list_head *l2)
{
struct xfs_extent_busy *b1 =
container_of(l1, struct xfs_extent_busy, list);
diff --git a/fs/xfs/xfs_extent_busy.h b/fs/xfs/xfs_extent_busy.h
index 8aea071..990ab38 100644
--- a/fs/xfs/xfs_extent_busy.h
+++ b/fs/xfs/xfs_extent_busy.h
@@ -58,8 +58,7 @@ void
xfs_extent_busy_wait_all(struct xfs_mount *mp);
int
-xfs_extent_busy_ag_cmp(void *priv, const struct list_head *a,
- const struct list_head *b);
+xfs_extent_busy_ag_cmp(void *priv, struct list_head *a, struct list_head *b);
static inline void xfs_extent_busy_sort(struct list_head *list)
{
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 5c03952..6c11bfc 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -397,8 +397,8 @@ xfs_trans_free_extent(
static int
xfs_extent_free_diff_items(
void *priv,
- const struct list_head *a,
- const struct list_head *b)
+ struct list_head *a,
+ struct list_head *b)
{
struct xfs_mount *mp = priv;
struct xfs_extent_free_item *ra;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 5b0f93f..111fe73 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1319,17 +1319,19 @@ xfs_filemap_pfn_mkwrite(
return __xfs_filemap_fault(vmf, PE_SIZE_PTE, true);
}
-static void
+static vm_fault_t
xfs_filemap_map_pages(
struct vm_fault *vmf,
pgoff_t start_pgoff,
pgoff_t end_pgoff)
{
struct inode *inode = file_inode(vmf->vma->vm_file);
+ vm_fault_t ret;
xfs_ilock(XFS_I(inode), XFS_MMAPLOCK_SHARED);
- filemap_map_pages(vmf, start_pgoff, end_pgoff);
+ ret = filemap_map_pages(vmf, start_pgoff, end_pgoff);
xfs_iunlock(XFS_I(inode), XFS_MMAPLOCK_SHARED);
+ return ret;
}
static const struct vm_operations_struct xfs_file_vm_ops = {
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index ef1d5bb..b7c5783 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -433,13 +433,10 @@ xfs_fs_goingdown(
{
switch (inflags) {
case XFS_FSOP_GOING_FLAGS_DEFAULT: {
- struct super_block *sb = freeze_bdev(mp->m_super->s_bdev);
-
- if (sb && !IS_ERR(sb)) {
+ if (!freeze_bdev(mp->m_super->s_bdev)) {
xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);
- thaw_bdev(sb->s_bdev, sb);
+ thaw_bdev(mp->m_super->s_bdev);
}
-
break;
}
case XFS_FSOP_GOING_FLAGS_LOGFLUSH:
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index 0dee316..7529eb6 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -269,8 +269,8 @@ xfs_trans_log_finish_refcount_update(
static int
xfs_refcount_update_diff_items(
void *priv,
- const struct list_head *a,
- const struct list_head *b)
+ struct list_head *a,
+ struct list_head *b)
{
struct xfs_mount *mp = priv;
struct xfs_refcount_intent *ra;
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 2090595..7adc996 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -337,8 +337,8 @@ xfs_trans_log_finish_rmap_update(
static int
xfs_rmap_update_diff_items(
void *priv,
- const struct list_head *a,
- const struct list_head *b)
+ struct list_head *a,
+ struct list_head *b)
{
struct xfs_mount *mp = priv;
struct xfs_rmap_intent *ra;
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index bca48b3..dd81d10 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -19,7 +19,8 @@
static int
xfs_xattr_get(const struct xattr_handler *handler, struct dentry *unused,
- struct inode *inode, const char *name, void *value, size_t size)
+ struct inode *inode, const char *name, void *value, size_t size,
+ int flags)
{
struct xfs_da_args args = {
.dp = XFS_I(inode),
diff --git a/include/asm-generic/export.h b/include/asm-generic/export.h
index 365345f..07a36a8 100644
--- a/include/asm-generic/export.h
+++ b/include/asm-generic/export.h
@@ -33,7 +33,7 @@
*/
.macro ___EXPORT_SYMBOL name,val,sec
-#ifdef CONFIG_MODULES
+#if defined(CONFIG_MODULES) && !defined(__DISABLE_EXPORTS)
.section ___ksymtab\sec+\name,"a"
.balign KSYM_ALIGN
__ksymtab_\name:
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index a774361..398f5e2 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -90,15 +90,18 @@
* .data. We don't want to pull in .data..other sections, which Linux
* has defined. Same for text and bss.
*
+ * With LTO_CLANG, the linker also splits sections by default, so we need
+ * these macros to combine the sections during the final link.
+ *
* RODATA_MAIN is not used because existing code already defines .rodata.x
* sections to be brought in with rodata.
*/
-#ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+#if defined(CONFIG_LD_DEAD_CODE_DATA_ELIMINATION) || defined(CONFIG_LTO_CLANG)
#define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
-#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..LPBX*
+#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..L* .data..compoundliteral*
#define SDATA_MAIN .sdata .sdata.[0-9a-zA-Z_]*
-#define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]*
-#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]*
+#define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]* .rodata..L*
+#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]* .bss..compoundliteral*
#define SBSS_MAIN .sbss .sbss.[0-9a-zA-Z_]*
#else
#define TEXT_MAIN .text
@@ -316,6 +319,16 @@
#define THERMAL_TABLE(name)
#endif
+#ifdef CONFIG_DTPM
+#define DTPM_TABLE() \
+ . = ALIGN(8); \
+ __dtpm_table = .; \
+ KEEP(*(__dtpm_table)) \
+ __dtpm_table_end = .;
+#else
+#define DTPM_TABLE()
+#endif
+
#define KERNEL_DTB() \
STRUCT_ALIGN(); \
__dtb_start = .; \
@@ -573,6 +586,22 @@
. = ALIGN((align)); \
__end_rodata = .;
+
+/*
+ * .text..L.cfi.jumptable.* contain Control-Flow Integrity (CFI)
+ * jump table entries.
+ */
+#ifdef CONFIG_CFI_CLANG
+#define TEXT_CFI_JT \
+ . = ALIGN(PMD_SIZE); \
+ __cfi_jt_start = .; \
+ *(.text..L.cfi.jumptable .text..L.cfi.jumptable.*) \
+ . = ALIGN(PMD_SIZE); \
+ __cfi_jt_end = .;
+#else
+#define TEXT_CFI_JT
+#endif
+
/*
* Non-instrumentable text section
*/
@@ -600,6 +629,7 @@
*(.text..refcount) \
*(.ref.text) \
*(.text.asan.* .text.tsan.*) \
+ TEXT_CFI_JT \
MEM_KEEP(init.text*) \
MEM_KEEP(exit.text*) \
@@ -737,6 +767,7 @@
ACPI_PROBE_TABLE(irqchip) \
ACPI_PROBE_TABLE(timer) \
THERMAL_TABLE(governor) \
+ DTPM_TABLE() \
EARLYCON_TABLE() \
LSM_TABLE() \
EARLY_LSM_TABLE() \
@@ -795,11 +826,21 @@
}
/*
+ * Keep .eh_frame with CFI.
+ */
+#ifdef CONFIG_CFI_CLANG
+#define EH_FRAME .eh_frame : { *(.eh_frame) }
+#else
+#define EH_FRAME
+#endif
+
+/*
* DWARF debug sections.
* Symbols in the DWARF debugging sections are relative to
* the beginning of the section so we begin them at 0.
*/
#define DWARF_DEBUG \
+ EH_FRAME \
/* DWARF 1 */ \
.debug 0 : { *(.debug) } \
.line 0 : { *(.line) } \
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 18dd7a4..86f0748 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -189,45 +189,6 @@ static inline void *crypto_instance_ctx(struct crypto_instance *inst)
return inst->__ctx;
}
-struct crypto_cipher_spawn {
- struct crypto_spawn base;
-};
-
-static inline int crypto_grab_cipher(struct crypto_cipher_spawn *spawn,
- struct crypto_instance *inst,
- const char *name, u32 type, u32 mask)
-{
- type &= ~CRYPTO_ALG_TYPE_MASK;
- type |= CRYPTO_ALG_TYPE_CIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK;
- return crypto_grab_spawn(&spawn->base, inst, name, type, mask);
-}
-
-static inline void crypto_drop_cipher(struct crypto_cipher_spawn *spawn)
-{
- crypto_drop_spawn(&spawn->base);
-}
-
-static inline struct crypto_alg *crypto_spawn_cipher_alg(
- struct crypto_cipher_spawn *spawn)
-{
- return spawn->base.alg;
-}
-
-static inline struct crypto_cipher *crypto_spawn_cipher(
- struct crypto_cipher_spawn *spawn)
-{
- u32 type = CRYPTO_ALG_TYPE_CIPHER;
- u32 mask = CRYPTO_ALG_TYPE_MASK;
-
- return __crypto_cipher_cast(crypto_spawn_tfm(&spawn->base, type, mask));
-}
-
-static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
-{
- return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
-}
-
static inline struct crypto_async_request *crypto_get_backlog(
struct crypto_queue *queue)
{
diff --git a/include/crypto/blake2b.h b/include/crypto/blake2b.h
new file mode 100644
index 0000000..18875f1
--- /dev/null
+++ b/include/crypto/blake2b.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+
+#ifndef _CRYPTO_BLAKE2B_H
+#define _CRYPTO_BLAKE2B_H
+
+#include <linux/bug.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+enum blake2b_lengths {
+ BLAKE2B_BLOCK_SIZE = 128,
+ BLAKE2B_HASH_SIZE = 64,
+ BLAKE2B_KEY_SIZE = 64,
+
+ BLAKE2B_160_HASH_SIZE = 20,
+ BLAKE2B_256_HASH_SIZE = 32,
+ BLAKE2B_384_HASH_SIZE = 48,
+ BLAKE2B_512_HASH_SIZE = 64,
+};
+
+struct blake2b_state {
+ /* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */
+ u64 h[8];
+ u64 t[2];
+ u64 f[2];
+ u8 buf[BLAKE2B_BLOCK_SIZE];
+ unsigned int buflen;
+ unsigned int outlen;
+};
+
+enum blake2b_iv {
+ BLAKE2B_IV0 = 0x6A09E667F3BCC908ULL,
+ BLAKE2B_IV1 = 0xBB67AE8584CAA73BULL,
+ BLAKE2B_IV2 = 0x3C6EF372FE94F82BULL,
+ BLAKE2B_IV3 = 0xA54FF53A5F1D36F1ULL,
+ BLAKE2B_IV4 = 0x510E527FADE682D1ULL,
+ BLAKE2B_IV5 = 0x9B05688C2B3E6C1FULL,
+ BLAKE2B_IV6 = 0x1F83D9ABFB41BD6BULL,
+ BLAKE2B_IV7 = 0x5BE0CD19137E2179ULL,
+};
+
+static inline void __blake2b_init(struct blake2b_state *state, size_t outlen,
+ const void *key, size_t keylen)
+{
+ state->h[0] = BLAKE2B_IV0 ^ (0x01010000 | keylen << 8 | outlen);
+ state->h[1] = BLAKE2B_IV1;
+ state->h[2] = BLAKE2B_IV2;
+ state->h[3] = BLAKE2B_IV3;
+ state->h[4] = BLAKE2B_IV4;
+ state->h[5] = BLAKE2B_IV5;
+ state->h[6] = BLAKE2B_IV6;
+ state->h[7] = BLAKE2B_IV7;
+ state->t[0] = 0;
+ state->t[1] = 0;
+ state->f[0] = 0;
+ state->f[1] = 0;
+ state->buflen = 0;
+ state->outlen = outlen;
+ if (keylen) {
+ memcpy(state->buf, key, keylen);
+ memset(&state->buf[keylen], 0, BLAKE2B_BLOCK_SIZE - keylen);
+ state->buflen = BLAKE2B_BLOCK_SIZE;
+ }
+}
+
+#endif /* _CRYPTO_BLAKE2B_H */
diff --git a/include/crypto/blake2s.h b/include/crypto/blake2s.h
index b471dea..bc3fb59 100644
--- a/include/crypto/blake2s.h
+++ b/include/crypto/blake2s.h
@@ -3,15 +3,14 @@
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
-#ifndef BLAKE2S_H
-#define BLAKE2S_H
+#ifndef _CRYPTO_BLAKE2S_H
+#define _CRYPTO_BLAKE2S_H
+#include <linux/bug.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
-#include <asm/bug.h>
-
enum blake2s_lengths {
BLAKE2S_BLOCK_SIZE = 64,
BLAKE2S_HASH_SIZE = 32,
@@ -24,6 +23,7 @@ enum blake2s_lengths {
};
struct blake2s_state {
+ /* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */
u32 h[8];
u32 t[2];
u32 f[2];
@@ -43,29 +43,34 @@ enum blake2s_iv {
BLAKE2S_IV7 = 0x5BE0CD19UL,
};
-void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen);
-void blake2s_final(struct blake2s_state *state, u8 *out);
-
-static inline void blake2s_init_param(struct blake2s_state *state,
- const u32 param)
+static inline void __blake2s_init(struct blake2s_state *state, size_t outlen,
+ const void *key, size_t keylen)
{
- *state = (struct blake2s_state){{
- BLAKE2S_IV0 ^ param,
- BLAKE2S_IV1,
- BLAKE2S_IV2,
- BLAKE2S_IV3,
- BLAKE2S_IV4,
- BLAKE2S_IV5,
- BLAKE2S_IV6,
- BLAKE2S_IV7,
- }};
+ state->h[0] = BLAKE2S_IV0 ^ (0x01010000 | keylen << 8 | outlen);
+ state->h[1] = BLAKE2S_IV1;
+ state->h[2] = BLAKE2S_IV2;
+ state->h[3] = BLAKE2S_IV3;
+ state->h[4] = BLAKE2S_IV4;
+ state->h[5] = BLAKE2S_IV5;
+ state->h[6] = BLAKE2S_IV6;
+ state->h[7] = BLAKE2S_IV7;
+ state->t[0] = 0;
+ state->t[1] = 0;
+ state->f[0] = 0;
+ state->f[1] = 0;
+ state->buflen = 0;
+ state->outlen = outlen;
+ if (keylen) {
+ memcpy(state->buf, key, keylen);
+ memset(&state->buf[keylen], 0, BLAKE2S_BLOCK_SIZE - keylen);
+ state->buflen = BLAKE2S_BLOCK_SIZE;
+ }
}
static inline void blake2s_init(struct blake2s_state *state,
const size_t outlen)
{
- blake2s_init_param(state, 0x01010000 | outlen);
- state->outlen = outlen;
+ __blake2s_init(state, outlen, NULL, 0);
}
static inline void blake2s_init_key(struct blake2s_state *state,
@@ -75,12 +80,12 @@ static inline void blake2s_init_key(struct blake2s_state *state,
WARN_ON(IS_ENABLED(DEBUG) && (!outlen || outlen > BLAKE2S_HASH_SIZE ||
!key || !keylen || keylen > BLAKE2S_KEY_SIZE));
- blake2s_init_param(state, 0x01010000 | keylen << 8 | outlen);
- memcpy(state->buf, key, keylen);
- state->buflen = BLAKE2S_BLOCK_SIZE;
- state->outlen = outlen;
+ __blake2s_init(state, outlen, key, keylen);
}
+void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen);
+void blake2s_final(struct blake2s_state *state, u8 *out);
+
static inline void blake2s(u8 *out, const u8 *in, const u8 *key,
const size_t outlen, const size_t inlen,
const size_t keylen)
@@ -91,11 +96,7 @@ static inline void blake2s(u8 *out, const u8 *in, const u8 *key,
outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE ||
(!key && keylen)));
- if (keylen)
- blake2s_init_key(&state, outlen, key, keylen);
- else
- blake2s_init(&state, outlen);
-
+ __blake2s_init(&state, outlen, key, keylen);
blake2s_update(&state, in, inlen);
blake2s_final(&state, out);
}
@@ -103,4 +104,4 @@ static inline void blake2s(u8 *out, const u8 *in, const u8 *key,
void blake2s256_hmac(u8 *out, const u8 *in, const u8 *key, const size_t inlen,
const size_t keylen);
-#endif /* BLAKE2S_H */
+#endif /* _CRYPTO_BLAKE2S_H */
diff --git a/include/crypto/internal/blake2b.h b/include/crypto/internal/blake2b.h
new file mode 100644
index 0000000..982fe5e
--- /dev/null
+++ b/include/crypto/internal/blake2b.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Helper functions for BLAKE2b implementations.
+ * Keep this in sync with the corresponding BLAKE2s header.
+ */
+
+#ifndef _CRYPTO_INTERNAL_BLAKE2B_H
+#define _CRYPTO_INTERNAL_BLAKE2B_H
+
+#include <crypto/blake2b.h>
+#include <crypto/internal/hash.h>
+#include <linux/string.h>
+
+void blake2b_compress_generic(struct blake2b_state *state,
+ const u8 *block, size_t nblocks, u32 inc);
+
+static inline void blake2b_set_lastblock(struct blake2b_state *state)
+{
+ state->f[0] = -1;
+}
+
+typedef void (*blake2b_compress_t)(struct blake2b_state *state,
+ const u8 *block, size_t nblocks, u32 inc);
+
+static inline void __blake2b_update(struct blake2b_state *state,
+ const u8 *in, size_t inlen,
+ blake2b_compress_t compress)
+{
+ const size_t fill = BLAKE2B_BLOCK_SIZE - state->buflen;
+
+ if (unlikely(!inlen))
+ return;
+ if (inlen > fill) {
+ memcpy(state->buf + state->buflen, in, fill);
+ (*compress)(state, state->buf, 1, BLAKE2B_BLOCK_SIZE);
+ state->buflen = 0;
+ in += fill;
+ inlen -= fill;
+ }
+ if (inlen > BLAKE2B_BLOCK_SIZE) {
+ const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2B_BLOCK_SIZE);
+ /* Hash one less (full) block than strictly possible */
+ (*compress)(state, in, nblocks - 1, BLAKE2B_BLOCK_SIZE);
+ in += BLAKE2B_BLOCK_SIZE * (nblocks - 1);
+ inlen -= BLAKE2B_BLOCK_SIZE * (nblocks - 1);
+ }
+ memcpy(state->buf + state->buflen, in, inlen);
+ state->buflen += inlen;
+}
+
+static inline void __blake2b_final(struct blake2b_state *state, u8 *out,
+ blake2b_compress_t compress)
+{
+ int i;
+
+ blake2b_set_lastblock(state);
+ memset(state->buf + state->buflen, 0,
+ BLAKE2B_BLOCK_SIZE - state->buflen); /* Padding */
+ (*compress)(state, state->buf, 1, state->buflen);
+ for (i = 0; i < ARRAY_SIZE(state->h); i++)
+ __cpu_to_le64s(&state->h[i]);
+ memcpy(out, state->h, state->outlen);
+}
+
+/* Helper functions for shash implementations of BLAKE2b */
+
+struct blake2b_tfm_ctx {
+ u8 key[BLAKE2B_KEY_SIZE];
+ unsigned int keylen;
+};
+
+static inline int crypto_blake2b_setkey(struct crypto_shash *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+
+ if (keylen == 0 || keylen > BLAKE2B_KEY_SIZE)
+ return -EINVAL;
+
+ memcpy(tctx->key, key, keylen);
+ tctx->keylen = keylen;
+
+ return 0;
+}
+
+static inline int crypto_blake2b_init(struct shash_desc *desc)
+{
+ const struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+ struct blake2b_state *state = shash_desc_ctx(desc);
+ unsigned int outlen = crypto_shash_digestsize(desc->tfm);
+
+ __blake2b_init(state, outlen, tctx->key, tctx->keylen);
+ return 0;
+}
+
+static inline int crypto_blake2b_update(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen,
+ blake2b_compress_t compress)
+{
+ struct blake2b_state *state = shash_desc_ctx(desc);
+
+ __blake2b_update(state, in, inlen, compress);
+ return 0;
+}
+
+static inline int crypto_blake2b_final(struct shash_desc *desc, u8 *out,
+ blake2b_compress_t compress)
+{
+ struct blake2b_state *state = shash_desc_ctx(desc);
+
+ __blake2b_final(state, out, compress);
+ return 0;
+}
+
+#endif /* _CRYPTO_INTERNAL_BLAKE2B_H */
diff --git a/include/crypto/internal/blake2s.h b/include/crypto/internal/blake2s.h
index 74ff770..8e50d48 100644
--- a/include/crypto/internal/blake2s.h
+++ b/include/crypto/internal/blake2s.h
@@ -1,14 +1,15 @@
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Helper functions for BLAKE2s implementations.
+ * Keep this in sync with the corresponding BLAKE2b header.
+ */
-#ifndef BLAKE2S_INTERNAL_H
-#define BLAKE2S_INTERNAL_H
+#ifndef _CRYPTO_INTERNAL_BLAKE2S_H
+#define _CRYPTO_INTERNAL_BLAKE2S_H
#include <crypto/blake2s.h>
-
-struct blake2s_tfm_ctx {
- u8 key[BLAKE2S_KEY_SIZE];
- unsigned int keylen;
-};
+#include <crypto/internal/hash.h>
+#include <linux/string.h>
void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
size_t nblocks, const u32 inc);
@@ -16,9 +17,103 @@ void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
void blake2s_compress_arch(struct blake2s_state *state,const u8 *block,
size_t nblocks, const u32 inc);
+bool blake2s_selftest(void);
+
static inline void blake2s_set_lastblock(struct blake2s_state *state)
{
state->f[0] = -1;
}
-#endif /* BLAKE2S_INTERNAL_H */
+typedef void (*blake2s_compress_t)(struct blake2s_state *state,
+ const u8 *block, size_t nblocks, u32 inc);
+
+/* Helper functions for BLAKE2s shared by the library and shash APIs */
+
+static inline void __blake2s_update(struct blake2s_state *state,
+ const u8 *in, size_t inlen,
+ blake2s_compress_t compress)
+{
+ const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;
+
+ if (unlikely(!inlen))
+ return;
+ if (inlen > fill) {
+ memcpy(state->buf + state->buflen, in, fill);
+ (*compress)(state, state->buf, 1, BLAKE2S_BLOCK_SIZE);
+ state->buflen = 0;
+ in += fill;
+ inlen -= fill;
+ }
+ if (inlen > BLAKE2S_BLOCK_SIZE) {
+ const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE);
+ /* Hash one less (full) block than strictly possible */
+ (*compress)(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE);
+ in += BLAKE2S_BLOCK_SIZE * (nblocks - 1);
+ inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1);
+ }
+ memcpy(state->buf + state->buflen, in, inlen);
+ state->buflen += inlen;
+}
+
+static inline void __blake2s_final(struct blake2s_state *state, u8 *out,
+ blake2s_compress_t compress)
+{
+ blake2s_set_lastblock(state);
+ memset(state->buf + state->buflen, 0,
+ BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */
+ (*compress)(state, state->buf, 1, state->buflen);
+ cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
+ memcpy(out, state->h, state->outlen);
+}
+
+/* Helper functions for shash implementations of BLAKE2s */
+
+struct blake2s_tfm_ctx {
+ u8 key[BLAKE2S_KEY_SIZE];
+ unsigned int keylen;
+};
+
+static inline int crypto_blake2s_setkey(struct crypto_shash *tfm,
+ const u8 *key, unsigned int keylen)
+{
+ struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+
+ if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE)
+ return -EINVAL;
+
+ memcpy(tctx->key, key, keylen);
+ tctx->keylen = keylen;
+
+ return 0;
+}
+
+static inline int crypto_blake2s_init(struct shash_desc *desc)
+{
+ const struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+ struct blake2s_state *state = shash_desc_ctx(desc);
+ unsigned int outlen = crypto_shash_digestsize(desc->tfm);
+
+ __blake2s_init(state, outlen, tctx->key, tctx->keylen);
+ return 0;
+}
+
+static inline int crypto_blake2s_update(struct shash_desc *desc,
+ const u8 *in, unsigned int inlen,
+ blake2s_compress_t compress)
+{
+ struct blake2s_state *state = shash_desc_ctx(desc);
+
+ __blake2s_update(state, in, inlen, compress);
+ return 0;
+}
+
+static inline int crypto_blake2s_final(struct shash_desc *desc, u8 *out,
+ blake2s_compress_t compress)
+{
+ struct blake2s_state *state = shash_desc_ctx(desc);
+
+ __blake2s_final(state, out, compress);
+ return 0;
+}
+
+#endif /* _CRYPTO_INTERNAL_BLAKE2S_H */
diff --git a/include/crypto/internal/cipher.h b/include/crypto/internal/cipher.h
new file mode 100644
index 0000000..a9174ba
--- /dev/null
+++ b/include/crypto/internal/cipher.h
@@ -0,0 +1,218 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
+ * Copyright (c) 2002 David S. Miller (davem@redhat.com)
+ * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au>
+ *
+ * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no>
+ * and Nettle, by Niels Möller.
+ */
+
+#ifndef _CRYPTO_INTERNAL_CIPHER_H
+#define _CRYPTO_INTERNAL_CIPHER_H
+
+#include <crypto/algapi.h>
+
+struct crypto_cipher {
+ struct crypto_tfm base;
+};
+
+/**
+ * DOC: Single Block Cipher API
+ *
+ * The single block cipher API is used with the ciphers of type
+ * CRYPTO_ALG_TYPE_CIPHER (listed as type "cipher" in /proc/crypto).
+ *
+ * Using the single block cipher API calls, operations with the basic cipher
+ * primitive can be implemented. These cipher primitives exclude any block
+ * chaining operations including IV handling.
+ *
+ * The purpose of this single block cipher API is to support the implementation
+ * of templates or other concepts that only need to perform the cipher operation
+ * on one block at a time. Templates invoke the underlying cipher primitive
+ * block-wise and process either the input or the output data of these cipher
+ * operations.
+ */
+
+static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm)
+{
+ return (struct crypto_cipher *)tfm;
+}
+
+/**
+ * crypto_alloc_cipher() - allocate single block cipher handle
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ * single block cipher
+ * @type: specifies the type of the cipher
+ * @mask: specifies the mask for the cipher
+ *
+ * Allocate a cipher handle for a single block cipher. The returned struct
+ * crypto_cipher is the cipher handle that is required for any subsequent API
+ * invocation for that single block cipher.
+ *
+ * Return: allocated cipher handle in case of success; IS_ERR() is true in case
+ * of an error, PTR_ERR() returns the error code.
+ */
+static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name,
+ u32 type, u32 mask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_CIPHER;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask));
+}
+
+static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
+{
+ return &tfm->base;
+}
+
+/**
+ * crypto_free_cipher() - zeroize and free the single block cipher handle
+ * @tfm: cipher handle to be freed
+ */
+static inline void crypto_free_cipher(struct crypto_cipher *tfm)
+{
+ crypto_free_tfm(crypto_cipher_tfm(tfm));
+}
+
+/**
+ * crypto_has_cipher() - Search for the availability of a single block cipher
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ * single block cipher
+ * @type: specifies the type of the cipher
+ * @mask: specifies the mask for the cipher
+ *
+ * Return: true when the single block cipher is known to the kernel crypto API;
+ * false otherwise
+ */
+static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_CIPHER;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+
+ return crypto_has_alg(alg_name, type, mask);
+}
+
+/**
+ * crypto_cipher_blocksize() - obtain block size for cipher
+ * @tfm: cipher handle
+ *
+ * The block size for the single block cipher referenced with the cipher handle
+ * tfm is returned. The caller may use that information to allocate appropriate
+ * memory for the data returned by the encryption or decryption operation
+ *
+ * Return: block size of cipher
+ */
+static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm)
+{
+ return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm));
+}
+
+static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm)
+{
+ return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm));
+}
+
+static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm)
+{
+ return crypto_tfm_get_flags(crypto_cipher_tfm(tfm));
+}
+
+static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm,
+ u32 flags)
+{
+ crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags);
+}
+
+static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm,
+ u32 flags)
+{
+ crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags);
+}
+
+/**
+ * crypto_cipher_setkey() - set key for cipher
+ * @tfm: cipher handle
+ * @key: buffer holding the key
+ * @keylen: length of the key in bytes
+ *
+ * The caller provided key is set for the single block cipher referenced by the
+ * cipher handle.
+ *
+ * Note, the key length determines the cipher type. Many block ciphers implement
+ * different cipher modes depending on the key size, such as AES-128 vs AES-192
+ * vs. AES-256. When providing a 16 byte key for an AES cipher handle, AES-128
+ * is performed.
+ *
+ * Return: 0 if the setting of the key was successful; < 0 if an error occurred
+ */
+int crypto_cipher_setkey(struct crypto_cipher *tfm,
+ const u8 *key, unsigned int keylen);
+
+/**
+ * crypto_cipher_encrypt_one() - encrypt one block of plaintext
+ * @tfm: cipher handle
+ * @dst: points to the buffer that will be filled with the ciphertext
+ * @src: buffer holding the plaintext to be encrypted
+ *
+ * Invoke the encryption operation of one block. The caller must ensure that
+ * the plaintext and ciphertext buffers are at least one block in size.
+ */
+void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
+ u8 *dst, const u8 *src);
+
+/**
+ * crypto_cipher_decrypt_one() - decrypt one block of ciphertext
+ * @tfm: cipher handle
+ * @dst: points to the buffer that will be filled with the plaintext
+ * @src: buffer holding the ciphertext to be decrypted
+ *
+ * Invoke the decryption operation of one block. The caller must ensure that
+ * the plaintext and ciphertext buffers are at least one block in size.
+ */
+void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
+ u8 *dst, const u8 *src);
+
+struct crypto_cipher_spawn {
+ struct crypto_spawn base;
+};
+
+static inline int crypto_grab_cipher(struct crypto_cipher_spawn *spawn,
+ struct crypto_instance *inst,
+ const char *name, u32 type, u32 mask)
+{
+ type &= ~CRYPTO_ALG_TYPE_MASK;
+ type |= CRYPTO_ALG_TYPE_CIPHER;
+ mask |= CRYPTO_ALG_TYPE_MASK;
+ return crypto_grab_spawn(&spawn->base, inst, name, type, mask);
+}
+
+static inline void crypto_drop_cipher(struct crypto_cipher_spawn *spawn)
+{
+ crypto_drop_spawn(&spawn->base);
+}
+
+static inline struct crypto_alg *crypto_spawn_cipher_alg(
+ struct crypto_cipher_spawn *spawn)
+{
+ return spawn->base.alg;
+}
+
+static inline struct crypto_cipher *crypto_spawn_cipher(
+ struct crypto_cipher_spawn *spawn)
+{
+ u32 type = CRYPTO_ALG_TYPE_CIPHER;
+ u32 mask = CRYPTO_ALG_TYPE_MASK;
+
+ return __crypto_cipher_cast(crypto_spawn_tfm(&spawn->base, type, mask));
+}
+
+static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
+{
+ return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
+}
+
+#endif
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index 10226c1..9dd6c0c 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -9,6 +9,7 @@
#define _CRYPTO_INTERNAL_SKCIPHER_H
#include <crypto/algapi.h>
+#include <crypto/internal/cipher.h>
#include <crypto/skcipher.h>
#include <linux/list.h>
#include <linux/types.h>
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index f5bd808..948c520 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -39,9 +39,9 @@ extern void public_key_free(struct public_key *key);
struct public_key_signature {
struct asymmetric_key_id *auth_ids[2];
u8 *s; /* Signature */
- u8 *digest;
u32 s_size; /* Number of bytes in signature */
- u32 digest_size; /* Number of bytes in digest */
+ u8 *digest;
+ u8 digest_size; /* Number of bytes in digest */
const char *pkey_algo;
const char *hash_algo;
const char *encoding;
diff --git a/include/drm/drm_auth.h b/include/drm/drm_auth.h
index f99d341..6bf8b2b 100644
--- a/include/drm/drm_auth.h
+++ b/include/drm/drm_auth.h
@@ -107,7 +107,6 @@ struct drm_master {
};
struct drm_master *drm_master_get(struct drm_master *master);
-struct drm_master *drm_file_get_master(struct drm_file *file_priv);
void drm_master_put(struct drm_master **master);
bool drm_is_current_master(struct drm_file *fpriv);
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index e57d044..e395d1f 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -29,6 +29,7 @@
#include <linux/list.h>
#include <linux/irqreturn.h>
+#include <linux/uuid.h>
#include <drm/drm_device.h>
@@ -461,6 +462,15 @@ struct drm_driver {
struct vm_area_struct *vma);
/**
+ * @gem_prime_get_uuid
+ *
+ * get_uuid hook for GEM drivers. Retrieves the virtio uuid of the
+ * given GEM buffer.
+ */
+ int (*gem_prime_get_uuid)(struct drm_gem_object *obj,
+ uuid_t *uuid);
+
+ /**
* @dumb_create:
*
* This creates a new dumb buffer in the driver's backing storage manager (GEM,
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 42d0460..b81b3bf 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -226,27 +226,15 @@ struct drm_file {
/**
* @master:
*
- * Master this node is currently associated with. Protected by struct
- * &drm_device.master_mutex, and serialized by @master_lookup_lock.
- *
- * Only relevant if drm_is_primary_client() returns true. Note that
- * this only matches &drm_device.master if the master is the currently
- * active one.
- *
- * When dereferencing this pointer, either hold struct
- * &drm_device.master_mutex for the duration of the pointer's use, or
- * use drm_file_get_master() if struct &drm_device.master_mutex is not
- * currently held and there is no other need to hold it. This prevents
- * @master from being freed during use.
+ * Master this node is currently associated with. Only relevant if
+ * drm_is_primary_client() returns true. Note that this only
+ * matches &drm_device.master if the master is the currently active one.
*
* See also @authentication and @is_master and the :ref:`section on
* primary nodes and authentication <drm_primary_node>`.
*/
struct drm_master *master;
- /** @master_lock: Serializes @master. */
- spinlock_t master_lookup_lock;
-
/** @pid: Process that opened this file. */
struct pid *pid;
@@ -411,6 +399,9 @@ void drm_event_cancel_free(struct drm_device *dev,
struct drm_pending_event *p);
void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e);
void drm_send_event(struct drm_device *dev, struct drm_pending_event *e);
+void drm_send_event_timestamp_locked(struct drm_device *dev,
+ struct drm_pending_event *e,
+ ktime_t timestamp);
struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags);
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 360e637..952f475 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -19,12 +19,18 @@ struct drm_dsc_picture_parameter_set;
#define MIPI_DSI_MSG_REQ_ACK BIT(0)
/* use Low Power Mode to transmit message */
#define MIPI_DSI_MSG_USE_LPM BIT(1)
+/* read mipi_dsi_msg.ctrl and unicast to only that ctrls */
+#define MIPI_DSI_MSG_UNICAST BIT(2)
+/* Stack all commands until lastcommand bit and trigger all in one go */
+#define MIPI_DSI_MSG_LASTCOMMAND BIT(3)
/**
* struct mipi_dsi_msg - read/write DSI buffer
* @channel: virtual channel id
* @type: payload data type
* @flags: flags controlling this message transmission
+ * @ctrl: ctrl index to transmit on
+ * @wait_ms: duration in ms to wait after message transmission
* @tx_len: length of @tx_buf
* @tx_buf: data to be written
* @rx_len: length of @rx_buf
@@ -34,6 +40,8 @@ struct mipi_dsi_msg {
u8 channel;
u8 type;
u16 flags;
+ u32 ctrl;
+ u32 wait_ms;
size_t tx_len;
const void *tx_buf;
@@ -132,6 +140,10 @@ struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node);
#define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10)
/* transmit data in low power */
#define MIPI_DSI_MODE_LPM BIT(11)
+/* disable BLLP area */
+#define MIPI_DSI_MODE_VIDEO_BLLP BIT(12)
+/* disable EOF BLLP area */
+#define MIPI_DSI_MODE_VIDEO_EOF_BLLP BIT(13)
enum mipi_dsi_pixel_format {
MIPI_DSI_FMT_RGB888,
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index c34a3e8..6292fa6 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -60,7 +60,7 @@ struct drm_mode_object {
void (*free_cb)(struct kref *kref);
};
-#define DRM_OBJECT_MAX_PROPERTY 24
+#define DRM_OBJECT_MAX_PROPERTY 64
/**
* struct drm_object_properties - property tracking for &drm_mode_object
*/
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index 0f69f9f..a9d0c6b 100644
--- a/include/drm/drm_prime.h
+++ b/include/drm/drm_prime.h
@@ -107,5 +107,6 @@ void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
dma_addr_t *addrs, int max_pages);
+int drm_gem_dmabuf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid);
#endif /* __DRM_PRIME_H__ */
diff --git a/include/dt-bindings/memory/mt2701-larb-port.h b/include/dt-bindings/memory/mt2701-larb-port.h
index 2d85c2e..25d0352 100644
--- a/include/dt-bindings/memory/mt2701-larb-port.h
+++ b/include/dt-bindings/memory/mt2701-larb-port.h
@@ -4,8 +4,8 @@
* Author: Honghui Zhang <honghui.zhang@mediatek.com>
*/
-#ifndef _MT2701_LARB_PORT_H_
-#define _MT2701_LARB_PORT_H_
+#ifndef _DT_BINDINGS_MEMORY_MT2701_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT2701_LARB_PORT_H_
/*
* Mediatek m4u generation 1 such as mt2701 has flat m4u port numbers,
diff --git a/include/dt-bindings/memory/mt2712-larb-port.h b/include/dt-bindings/memory/mt2712-larb-port.h
index 6f9aa73..e41a284 100644
--- a/include/dt-bindings/memory/mt2712-larb-port.h
+++ b/include/dt-bindings/memory/mt2712-larb-port.h
@@ -3,10 +3,10 @@
* Copyright (c) 2017 MediaTek Inc.
* Author: Yong Wu <yong.wu@mediatek.com>
*/
-#ifndef __DTS_IOMMU_PORT_MT2712_H
-#define __DTS_IOMMU_PORT_MT2712_H
+#ifndef _DT_BINDINGS_MEMORY_MT2712_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT2712_LARB_PORT_H_
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt6779-larb-port.h b/include/dt-bindings/memory/mt6779-larb-port.h
index 2ad0899..3fb438a 100644
--- a/include/dt-bindings/memory/mt6779-larb-port.h
+++ b/include/dt-bindings/memory/mt6779-larb-port.h
@@ -4,10 +4,10 @@
* Author: Chao Hao <chao.hao@mediatek.com>
*/
-#ifndef _DTS_IOMMU_PORT_MT6779_H_
-#define _DTS_IOMMU_PORT_MT6779_H_
+#ifndef _DT_BINDINGS_MEMORY_MT6779_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT6779_LARB_PORT_H_
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt8167-larb-port.h b/include/dt-bindings/memory/mt8167-larb-port.h
index 000fb29..aae57d4 100644
--- a/include/dt-bindings/memory/mt8167-larb-port.h
+++ b/include/dt-bindings/memory/mt8167-larb-port.h
@@ -5,10 +5,10 @@
* Author: Honghui Zhang <honghui.zhang@mediatek.com>
* Author: Fabien Parent <fparent@baylibre.com>
*/
-#ifndef __DTS_IOMMU_PORT_MT8167_H
-#define __DTS_IOMMU_PORT_MT8167_H
+#ifndef _DT_BINDINGS_MEMORY_MT8167_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8167_LARB_PORT_H_
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt8173-larb-port.h b/include/dt-bindings/memory/mt8173-larb-port.h
index 9f31ccf..167a7fc 100644
--- a/include/dt-bindings/memory/mt8173-larb-port.h
+++ b/include/dt-bindings/memory/mt8173-larb-port.h
@@ -3,10 +3,10 @@
* Copyright (c) 2015-2016 MediaTek Inc.
* Author: Yong Wu <yong.wu@mediatek.com>
*/
-#ifndef __DTS_IOMMU_PORT_MT8173_H
-#define __DTS_IOMMU_PORT_MT8173_H
+#ifndef _DT_BINDINGS_MEMORY_MT8173_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8173_LARB_PORT_H_
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt8183-larb-port.h b/include/dt-bindings/memory/mt8183-larb-port.h
index 2c579f3..36abdf0 100644
--- a/include/dt-bindings/memory/mt8183-larb-port.h
+++ b/include/dt-bindings/memory/mt8183-larb-port.h
@@ -3,10 +3,10 @@
* Copyright (c) 2018 MediaTek Inc.
* Author: Yong Wu <yong.wu@mediatek.com>
*/
-#ifndef __DTS_IOMMU_PORT_MT8183_H
-#define __DTS_IOMMU_PORT_MT8183_H
+#ifndef _DT_BINDINGS_MEMORY_MT8183_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8183_LARB_PORT_H_
-#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#include <dt-bindings/memory/mtk-memory-port.h>
#define M4U_LARB0_ID 0
#define M4U_LARB1_ID 1
diff --git a/include/dt-bindings/memory/mt8192-larb-port.h b/include/dt-bindings/memory/mt8192-larb-port.h
new file mode 100644
index 0000000..23035a5
--- /dev/null
+++ b/include/dt-bindings/memory/mt8192-larb-port.h
@@ -0,0 +1,243 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ *
+ * Author: Chao Hao <chao.hao@mediatek.com>
+ * Author: Yong Wu <yong.wu@mediatek.com>
+ */
+#ifndef _DT_BINDINGS_MEMORY_MT8192_LARB_PORT_H_
+#define _DT_BINDINGS_MEMORY_MT8192_LARB_PORT_H_
+
+#include <dt-bindings/memory/mtk-memory-port.h>
+
+/*
+ * MM IOMMU supports 16GB dma address.
+ *
+ * The address will preassign like this:
+ *
+ * modules dma-address-region larbs-ports
+ * disp 0 ~ 4G larb0/1
+ * vcodec 4G ~ 8G larb4/5/7
+ * cam/mdp 8G ~ 12G larb2/9/11/13/14/16/17/18/19/20
+ * CCU0 0x4000_0000 ~ 0x43ff_ffff larb13: port 9/10
+ * CCU1 0x4400_0000 ~ 0x47ff_ffff larb14: port 4/5
+ *
+ * larb3/6/8/10/12/15 is null.
+ */
+
+/* larb0 */
+#define M4U_PORT_L0_DISP_POSTMASK0 MTK_M4U_ID(0, 0)
+#define M4U_PORT_L0_OVL_RDMA0_HDR MTK_M4U_ID(0, 1)
+#define M4U_PORT_L0_OVL_RDMA0 MTK_M4U_ID(0, 2)
+#define M4U_PORT_L0_DISP_RDMA0 MTK_M4U_ID(0, 3)
+#define M4U_PORT_L0_DISP_WDMA0 MTK_M4U_ID(0, 4)
+#define M4U_PORT_L0_DISP_FAKE0 MTK_M4U_ID(0, 5)
+
+/* larb1 */
+#define M4U_PORT_L1_OVL_2L_RDMA0_HDR MTK_M4U_ID(1, 0)
+#define M4U_PORT_L1_OVL_2L_RDMA2_HDR MTK_M4U_ID(1, 1)
+#define M4U_PORT_L1_OVL_2L_RDMA0 MTK_M4U_ID(1, 2)
+#define M4U_PORT_L1_OVL_2L_RDMA2 MTK_M4U_ID(1, 3)
+#define M4U_PORT_L1_DISP_MDP_RDMA4 MTK_M4U_ID(1, 4)
+#define M4U_PORT_L1_DISP_RDMA4 MTK_M4U_ID(1, 5)
+#define M4U_PORT_L1_DISP_UFBC_WDMA0 MTK_M4U_ID(1, 6)
+#define M4U_PORT_L1_DISP_FAKE1 MTK_M4U_ID(1, 7)
+
+/* larb2 */
+#define M4U_PORT_L2_MDP_RDMA0 MTK_M4U_ID(2, 0)
+#define M4U_PORT_L2_MDP_RDMA1 MTK_M4U_ID(2, 1)
+#define M4U_PORT_L2_MDP_WROT0 MTK_M4U_ID(2, 2)
+#define M4U_PORT_L2_MDP_WROT1 MTK_M4U_ID(2, 3)
+#define M4U_PORT_L2_MDP_DISP_FAKE0 MTK_M4U_ID(2, 4)
+
+/* larb3: null */
+
+/* larb4 */
+#define M4U_PORT_L4_VDEC_MC_EXT MTK_M4U_ID(4, 0)
+#define M4U_PORT_L4_VDEC_UFO_EXT MTK_M4U_ID(4, 1)
+#define M4U_PORT_L4_VDEC_PP_EXT MTK_M4U_ID(4, 2)
+#define M4U_PORT_L4_VDEC_PRED_RD_EXT MTK_M4U_ID(4, 3)
+#define M4U_PORT_L4_VDEC_PRED_WR_EXT MTK_M4U_ID(4, 4)
+#define M4U_PORT_L4_VDEC_PPWRAP_EXT MTK_M4U_ID(4, 5)
+#define M4U_PORT_L4_VDEC_TILE_EXT MTK_M4U_ID(4, 6)
+#define M4U_PORT_L4_VDEC_VLD_EXT MTK_M4U_ID(4, 7)
+#define M4U_PORT_L4_VDEC_VLD2_EXT MTK_M4U_ID(4, 8)
+#define M4U_PORT_L4_VDEC_AVC_MV_EXT MTK_M4U_ID(4, 9)
+#define M4U_PORT_L4_VDEC_RG_CTRL_DMA_EXT MTK_M4U_ID(4, 10)
+
+/* larb5 */
+#define M4U_PORT_L5_VDEC_LAT0_VLD_EXT MTK_M4U_ID(5, 0)
+#define M4U_PORT_L5_VDEC_LAT0_VLD2_EXT MTK_M4U_ID(5, 1)
+#define M4U_PORT_L5_VDEC_LAT0_AVC_MV_EXT MTK_M4U_ID(5, 2)
+#define M4U_PORT_L5_VDEC_LAT0_PRED_RD_EXT MTK_M4U_ID(5, 3)
+#define M4U_PORT_L5_VDEC_LAT0_TILE_EXT MTK_M4U_ID(5, 4)
+#define M4U_PORT_L5_VDEC_LAT0_WDMA_EXT MTK_M4U_ID(5, 5)
+#define M4U_PORT_L5_VDEC_LAT0_RG_CTRL_DMA_EXT MTK_M4U_ID(5, 6)
+#define M4U_PORT_L5_VDEC_UFO_ENC_EXT MTK_M4U_ID(5, 7)
+
+/* larb6: null */
+
+/* larb7 */
+#define M4U_PORT_L7_VENC_RCPU MTK_M4U_ID(7, 0)
+#define M4U_PORT_L7_VENC_REC MTK_M4U_ID(7, 1)
+#define M4U_PORT_L7_VENC_BSDMA MTK_M4U_ID(7, 2)
+#define M4U_PORT_L7_VENC_SV_COMV MTK_M4U_ID(7, 3)
+#define M4U_PORT_L7_VENC_RD_COMV MTK_M4U_ID(7, 4)
+#define M4U_PORT_L7_VENC_CUR_LUMA MTK_M4U_ID(7, 5)
+#define M4U_PORT_L7_VENC_CUR_CHROMA MTK_M4U_ID(7, 6)
+#define M4U_PORT_L7_VENC_REF_LUMA MTK_M4U_ID(7, 7)
+#define M4U_PORT_L7_VENC_REF_CHROMA MTK_M4U_ID(7, 8)
+#define M4U_PORT_L7_JPGENC_Y_RDMA MTK_M4U_ID(7, 9)
+#define M4U_PORT_L7_JPGENC_Q_RDMA MTK_M4U_ID(7, 10)
+#define M4U_PORT_L7_JPGENC_C_TABLE MTK_M4U_ID(7, 11)
+#define M4U_PORT_L7_JPGENC_BSDMA MTK_M4U_ID(7, 12)
+#define M4U_PORT_L7_VENC_SUB_R_LUMA MTK_M4U_ID(7, 13)
+#define M4U_PORT_L7_VENC_SUB_W_LUMA MTK_M4U_ID(7, 14)
+
+/* larb8: null */
+
+/* larb9 */
+#define M4U_PORT_L9_IMG_IMGI_D1 MTK_M4U_ID(9, 0)
+#define M4U_PORT_L9_IMG_IMGBI_D1 MTK_M4U_ID(9, 1)
+#define M4U_PORT_L9_IMG_DMGI_D1 MTK_M4U_ID(9, 2)
+#define M4U_PORT_L9_IMG_DEPI_D1 MTK_M4U_ID(9, 3)
+#define M4U_PORT_L9_IMG_ICE_D1 MTK_M4U_ID(9, 4)
+#define M4U_PORT_L9_IMG_SMTI_D1 MTK_M4U_ID(9, 5)
+#define M4U_PORT_L9_IMG_SMTO_D2 MTK_M4U_ID(9, 6)
+#define M4U_PORT_L9_IMG_SMTO_D1 MTK_M4U_ID(9, 7)
+#define M4U_PORT_L9_IMG_CRZO_D1 MTK_M4U_ID(9, 8)
+#define M4U_PORT_L9_IMG_IMG3O_D1 MTK_M4U_ID(9, 9)
+#define M4U_PORT_L9_IMG_VIPI_D1 MTK_M4U_ID(9, 10)
+#define M4U_PORT_L9_IMG_SMTI_D5 MTK_M4U_ID(9, 11)
+#define M4U_PORT_L9_IMG_TIMGO_D1 MTK_M4U_ID(9, 12)
+#define M4U_PORT_L9_IMG_UFBC_W0 MTK_M4U_ID(9, 13)
+#define M4U_PORT_L9_IMG_UFBC_R0 MTK_M4U_ID(9, 14)
+
+/* larb10: null */
+
+/* larb11 */
+#define M4U_PORT_L11_IMG_IMGI_D1 MTK_M4U_ID(11, 0)
+#define M4U_PORT_L11_IMG_IMGBI_D1 MTK_M4U_ID(11, 1)
+#define M4U_PORT_L11_IMG_DMGI_D1 MTK_M4U_ID(11, 2)
+#define M4U_PORT_L11_IMG_DEPI_D1 MTK_M4U_ID(11, 3)
+#define M4U_PORT_L11_IMG_ICE_D1 MTK_M4U_ID(11, 4)
+#define M4U_PORT_L11_IMG_SMTI_D1 MTK_M4U_ID(11, 5)
+#define M4U_PORT_L11_IMG_SMTO_D2 MTK_M4U_ID(11, 6)
+#define M4U_PORT_L11_IMG_SMTO_D1 MTK_M4U_ID(11, 7)
+#define M4U_PORT_L11_IMG_CRZO_D1 MTK_M4U_ID(11, 8)
+#define M4U_PORT_L11_IMG_IMG3O_D1 MTK_M4U_ID(11, 9)
+#define M4U_PORT_L11_IMG_VIPI_D1 MTK_M4U_ID(11, 10)
+#define M4U_PORT_L11_IMG_SMTI_D5 MTK_M4U_ID(11, 11)
+#define M4U_PORT_L11_IMG_TIMGO_D1 MTK_M4U_ID(11, 12)
+#define M4U_PORT_L11_IMG_UFBC_W0 MTK_M4U_ID(11, 13)
+#define M4U_PORT_L11_IMG_UFBC_R0 MTK_M4U_ID(11, 14)
+#define M4U_PORT_L11_IMG_WPE_RDMA1 MTK_M4U_ID(11, 15)
+#define M4U_PORT_L11_IMG_WPE_RDMA0 MTK_M4U_ID(11, 16)
+#define M4U_PORT_L11_IMG_WPE_WDMA MTK_M4U_ID(11, 17)
+#define M4U_PORT_L11_IMG_MFB_RDMA0 MTK_M4U_ID(11, 18)
+#define M4U_PORT_L11_IMG_MFB_RDMA1 MTK_M4U_ID(11, 19)
+#define M4U_PORT_L11_IMG_MFB_RDMA2 MTK_M4U_ID(11, 20)
+#define M4U_PORT_L11_IMG_MFB_RDMA3 MTK_M4U_ID(11, 21)
+#define M4U_PORT_L11_IMG_MFB_RDMA4 MTK_M4U_ID(11, 22)
+#define M4U_PORT_L11_IMG_MFB_RDMA5 MTK_M4U_ID(11, 23)
+#define M4U_PORT_L11_IMG_MFB_WDMA0 MTK_M4U_ID(11, 24)
+#define M4U_PORT_L11_IMG_MFB_WDMA1 MTK_M4U_ID(11, 25)
+
+/* larb12: null */
+
+/* larb13 */
+#define M4U_PORT_L13_CAM_MRAWI MTK_M4U_ID(13, 0)
+#define M4U_PORT_L13_CAM_MRAWO0 MTK_M4U_ID(13, 1)
+#define M4U_PORT_L13_CAM_MRAWO1 MTK_M4U_ID(13, 2)
+#define M4U_PORT_L13_CAM_CAMSV1 MTK_M4U_ID(13, 3)
+#define M4U_PORT_L13_CAM_CAMSV2 MTK_M4U_ID(13, 4)
+#define M4U_PORT_L13_CAM_CAMSV3 MTK_M4U_ID(13, 5)
+#define M4U_PORT_L13_CAM_CAMSV4 MTK_M4U_ID(13, 6)
+#define M4U_PORT_L13_CAM_CAMSV5 MTK_M4U_ID(13, 7)
+#define M4U_PORT_L13_CAM_CAMSV6 MTK_M4U_ID(13, 8)
+#define M4U_PORT_L13_CAM_CCUI MTK_M4U_ID(13, 9)
+#define M4U_PORT_L13_CAM_CCUO MTK_M4U_ID(13, 10)
+#define M4U_PORT_L13_CAM_FAKE MTK_M4U_ID(13, 11)
+
+/* larb14 */
+#define M4U_PORT_L14_CAM_RESERVE1 MTK_M4U_ID(14, 0)
+#define M4U_PORT_L14_CAM_RESERVE2 MTK_M4U_ID(14, 1)
+#define M4U_PORT_L14_CAM_RESERVE3 MTK_M4U_ID(14, 2)
+#define M4U_PORT_L14_CAM_CAMSV0 MTK_M4U_ID(14, 3)
+#define M4U_PORT_L14_CAM_CCUI MTK_M4U_ID(14, 4)
+#define M4U_PORT_L14_CAM_CCUO MTK_M4U_ID(14, 5)
+
+/* larb15: null */
+
+/* larb16 */
+#define M4U_PORT_L16_CAM_IMGO_R1_A MTK_M4U_ID(16, 0)
+#define M4U_PORT_L16_CAM_RRZO_R1_A MTK_M4U_ID(16, 1)
+#define M4U_PORT_L16_CAM_CQI_R1_A MTK_M4U_ID(16, 2)
+#define M4U_PORT_L16_CAM_BPCI_R1_A MTK_M4U_ID(16, 3)
+#define M4U_PORT_L16_CAM_YUVO_R1_A MTK_M4U_ID(16, 4)
+#define M4U_PORT_L16_CAM_UFDI_R2_A MTK_M4U_ID(16, 5)
+#define M4U_PORT_L16_CAM_RAWI_R2_A MTK_M4U_ID(16, 6)
+#define M4U_PORT_L16_CAM_RAWI_R3_A MTK_M4U_ID(16, 7)
+#define M4U_PORT_L16_CAM_AAO_R1_A MTK_M4U_ID(16, 8)
+#define M4U_PORT_L16_CAM_AFO_R1_A MTK_M4U_ID(16, 9)
+#define M4U_PORT_L16_CAM_FLKO_R1_A MTK_M4U_ID(16, 10)
+#define M4U_PORT_L16_CAM_LCESO_R1_A MTK_M4U_ID(16, 11)
+#define M4U_PORT_L16_CAM_CRZO_R1_A MTK_M4U_ID(16, 12)
+#define M4U_PORT_L16_CAM_LTMSO_R1_A MTK_M4U_ID(16, 13)
+#define M4U_PORT_L16_CAM_RSSO_R1_A MTK_M4U_ID(16, 14)
+#define M4U_PORT_L16_CAM_AAHO_R1_A MTK_M4U_ID(16, 15)
+#define M4U_PORT_L16_CAM_LSCI_R1_A MTK_M4U_ID(16, 16)
+
+/* larb17 */
+#define M4U_PORT_L17_CAM_IMGO_R1_B MTK_M4U_ID(17, 0)
+#define M4U_PORT_L17_CAM_RRZO_R1_B MTK_M4U_ID(17, 1)
+#define M4U_PORT_L17_CAM_CQI_R1_B MTK_M4U_ID(17, 2)
+#define M4U_PORT_L17_CAM_BPCI_R1_B MTK_M4U_ID(17, 3)
+#define M4U_PORT_L17_CAM_YUVO_R1_B MTK_M4U_ID(17, 4)
+#define M4U_PORT_L17_CAM_UFDI_R2_B MTK_M4U_ID(17, 5)
+#define M4U_PORT_L17_CAM_RAWI_R2_B MTK_M4U_ID(17, 6)
+#define M4U_PORT_L17_CAM_RAWI_R3_B MTK_M4U_ID(17, 7)
+#define M4U_PORT_L17_CAM_AAO_R1_B MTK_M4U_ID(17, 8)
+#define M4U_PORT_L17_CAM_AFO_R1_B MTK_M4U_ID(17, 9)
+#define M4U_PORT_L17_CAM_FLKO_R1_B MTK_M4U_ID(17, 10)
+#define M4U_PORT_L17_CAM_LCESO_R1_B MTK_M4U_ID(17, 11)
+#define M4U_PORT_L17_CAM_CRZO_R1_B MTK_M4U_ID(17, 12)
+#define M4U_PORT_L17_CAM_LTMSO_R1_B MTK_M4U_ID(17, 13)
+#define M4U_PORT_L17_CAM_RSSO_R1_B MTK_M4U_ID(17, 14)
+#define M4U_PORT_L17_CAM_AAHO_R1_B MTK_M4U_ID(17, 15)
+#define M4U_PORT_L17_CAM_LSCI_R1_B MTK_M4U_ID(17, 16)
+
+/* larb18 */
+#define M4U_PORT_L18_CAM_IMGO_R1_C MTK_M4U_ID(18, 0)
+#define M4U_PORT_L18_CAM_RRZO_R1_C MTK_M4U_ID(18, 1)
+#define M4U_PORT_L18_CAM_CQI_R1_C MTK_M4U_ID(18, 2)
+#define M4U_PORT_L18_CAM_BPCI_R1_C MTK_M4U_ID(18, 3)
+#define M4U_PORT_L18_CAM_YUVO_R1_C MTK_M4U_ID(18, 4)
+#define M4U_PORT_L18_CAM_UFDI_R2_C MTK_M4U_ID(18, 5)
+#define M4U_PORT_L18_CAM_RAWI_R2_C MTK_M4U_ID(18, 6)
+#define M4U_PORT_L18_CAM_RAWI_R3_C MTK_M4U_ID(18, 7)
+#define M4U_PORT_L18_CAM_AAO_R1_C MTK_M4U_ID(18, 8)
+#define M4U_PORT_L18_CAM_AFO_R1_C MTK_M4U_ID(18, 9)
+#define M4U_PORT_L18_CAM_FLKO_R1_C MTK_M4U_ID(18, 10)
+#define M4U_PORT_L18_CAM_LCESO_R1_C MTK_M4U_ID(18, 11)
+#define M4U_PORT_L18_CAM_CRZO_R1_C MTK_M4U_ID(18, 12)
+#define M4U_PORT_L18_CAM_LTMSO_R1_C MTK_M4U_ID(18, 13)
+#define M4U_PORT_L18_CAM_RSSO_R1_C MTK_M4U_ID(18, 14)
+#define M4U_PORT_L18_CAM_AAHO_R1_C MTK_M4U_ID(18, 15)
+#define M4U_PORT_L18_CAM_LSCI_R1_C MTK_M4U_ID(18, 16)
+
+/* larb19 */
+#define M4U_PORT_L19_IPE_DVS_RDMA MTK_M4U_ID(19, 0)
+#define M4U_PORT_L19_IPE_DVS_WDMA MTK_M4U_ID(19, 1)
+#define M4U_PORT_L19_IPE_DVP_RDMA MTK_M4U_ID(19, 2)
+#define M4U_PORT_L19_IPE_DVP_WDMA MTK_M4U_ID(19, 3)
+
+/* larb20 */
+#define M4U_PORT_L20_IPE_FDVT_RDA MTK_M4U_ID(20, 0)
+#define M4U_PORT_L20_IPE_FDVT_RDB MTK_M4U_ID(20, 1)
+#define M4U_PORT_L20_IPE_FDVT_WRA MTK_M4U_ID(20, 2)
+#define M4U_PORT_L20_IPE_FDVT_WRB MTK_M4U_ID(20, 3)
+#define M4U_PORT_L20_IPE_RSC_RDMA0 MTK_M4U_ID(20, 4)
+#define M4U_PORT_L20_IPE_RSC_WDMA MTK_M4U_ID(20, 5)
+
+#endif
diff --git a/include/dt-bindings/memory/mtk-memory-port.h b/include/dt-bindings/memory/mtk-memory-port.h
new file mode 100644
index 0000000..7d64103
--- /dev/null
+++ b/include/dt-bindings/memory/mtk-memory-port.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020 MediaTek Inc.
+ * Author: Yong Wu <yong.wu@mediatek.com>
+ */
+#ifndef __DT_BINDINGS_MEMORY_MTK_MEMORY_PORT_H_
+#define __DT_BINDINGS_MEMORY_MTK_MEMORY_PORT_H_
+
+#define MTK_LARB_NR_MAX 32
+
+#define MTK_M4U_ID(larb, port) (((larb) << 5) | (port))
+#define MTK_M4U_TO_LARB(id) (((id) >> 5) & 0x1f)
+#define MTK_M4U_TO_PORT(id) ((id) & 0x1f)
+
+#endif
diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h
index 985f2bb..e6526b1 100644
--- a/include/dt-bindings/usb/pd.h
+++ b/include/dt-bindings/usb/pd.h
@@ -85,4 +85,384 @@
PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \
PDO_PPS_APDO_MAX_CURR(max_ma))
- #endif /* __DT_POWER_DELIVERY_H */
+ /*
+ * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0,
+ * Version 1.2"
+ * Initial current capability of the new source when vSafe5V is applied.
+ */
+#define FRS_DEFAULT_POWER 1
+#define FRS_5V_1P5A 2
+#define FRS_5V_3A 3
+
+/*
+ * SVDM Identity Header
+ * --------------------
+ * <31> :: data capable as a USB host
+ * <30> :: data capable as a USB device
+ * <29:27> :: product type (UFP / Cable / VPD)
+ * <26> :: modal operation supported (1b == yes)
+ * <25:23> :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <22:21> :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <20:16> :: Reserved, Shall be set to zero
+ * <15:0> :: USB-IF assigned VID for this cable vendor
+ */
+
+/* PD Rev2.0 definition */
+#define IDH_PTYPE_UNDEF 0
+
+/* SOP Product Type (UFP) */
+#define IDH_PTYPE_NOT_UFP 0
+#define IDH_PTYPE_HUB 1
+#define IDH_PTYPE_PERIPH 2
+#define IDH_PTYPE_PSD 3
+#define IDH_PTYPE_AMA 5
+
+/* SOP' Product Type (Cable Plug / VPD) */
+#define IDH_PTYPE_NOT_CABLE 0
+#define IDH_PTYPE_PCABLE 3
+#define IDH_PTYPE_ACABLE 4
+#define IDH_PTYPE_VPD 6
+
+/* SOP Product Type (DFP) */
+#define IDH_PTYPE_NOT_DFP 0
+#define IDH_PTYPE_DFP_HUB 1
+#define IDH_PTYPE_DFP_HOST 2
+#define IDH_PTYPE_DFP_PB 3
+
+#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid) \
+ ((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27 \
+ | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21 \
+ | ((vid) & 0xffff))
+
+/*
+ * Cert Stat VDO
+ * -------------
+ * <31:0> : USB-IF assigned XID for this cable
+ */
+#define VDO_CERT(xid) ((xid) & 0xffffffff)
+
+/*
+ * Product VDO
+ * -----------
+ * <31:16> : USB Product ID
+ * <15:0> : USB bcdDevice
+ */
+#define VDO_PRODUCT(pid, bcd) (((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
+
+/*
+ * UFP VDO (PD Revision 3.0+ only)
+ * --------
+ * <31:29> :: UFP VDO version
+ * <28> :: Reserved
+ * <27:24> :: Device capability
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:11> :: Reserved
+ * <10:8> :: Vconn power (AMA only)
+ * <7> :: Vconn required (AMA only, 0b == no, 1b == yes)
+ * <6> :: Vbus required (AMA only, 0b == yes, 1b == no)
+ * <5:3> :: Alternate modes
+ * <2:0> :: USB highest speed
+ */
+/* UFP VDO Version */
+#define UFP_VDO_VER1_2 2
+
+/* Device Capability */
+#define DEV_USB2_CAPABLE (1 << 0)
+#define DEV_USB2_BILLBOARD (1 << 1)
+#define DEV_USB3_CAPABLE (1 << 2)
+#define DEV_USB4_CAPABLE (1 << 3)
+
+/* Connector Type */
+#define UFP_RECEPTACLE 2
+#define UFP_CAPTIVE 3
+
+/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
+#define AMA_VCONN_PWR_1W 0
+#define AMA_VCONN_PWR_1W5 1
+#define AMA_VCONN_PWR_2W 2
+#define AMA_VCONN_PWR_3W 3
+#define AMA_VCONN_PWR_4W 4
+#define AMA_VCONN_PWR_5W 5
+#define AMA_VCONN_PWR_6W 6
+
+/* Vconn Required (AMA only) */
+#define AMA_VCONN_NOT_REQ 0
+#define AMA_VCONN_REQ 1
+
+/* Vbus Required (AMA only) */
+#define AMA_VBUS_REQ 0
+#define AMA_VBUS_NOT_REQ 1
+
+/* Alternate Modes */
+#define UFP_ALTMODE_NOT_SUPP 0
+#define UFP_ALTMODE_TBT3 (1 << 0)
+#define UFP_ALTMODE_RECFG (1 << 1)
+#define UFP_ALTMODE_NO_RECFG (1 << 2)
+
+/* USB Highest Speed */
+#define UFP_USB2_ONLY 0
+#define UFP_USB32_GEN1 1
+#define UFP_USB32_4_GEN2 2
+#define UFP_USB4_GEN3 3
+
+#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd) \
+ (((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22 \
+ | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3 \
+ | ((spd) & 0x7))
+
+/*
+ * DFP VDO (PD Revision 3.0+ only)
+ * --------
+ * <31:29> :: DFP VDO version
+ * <28:27> :: Reserved
+ * <26:24> :: Host capability
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:5> :: Reserved
+ * <4:0> :: Port number
+ */
+#define DFP_VDO_VER1_1 1
+#define HOST_USB2_CAPABLE (1 << 0)
+#define HOST_USB3_CAPABLE (1 << 1)
+#define HOST_USB4_CAPABLE (1 << 2)
+#define DFP_RECEPTACLE 2
+#define DFP_CAPTIVE 3
+
+#define VDO_DFP(ver, cap, conn, pnum) \
+ (((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22 \
+ | ((pnum) & 0x1f))
+
+/*
+ * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:20> :: Reserved, Shall be set to zero
+ * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (11b == both ends active VCONN req)
+ * <10> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
+ * <9> :: SSTX2 Directionality support
+ * <8> :: SSRX1 Directionality support
+ * <7> :: SSRX2 Directionality support
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4> :: Vbus through cable (0b == no, 1b == yes)
+ * <3> :: SOP" controller present? (0b == no, 1b == yes)
+ * <2:0> :: USB SS Signaling support
+ *
+ * Passive Cable VDO (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20> :: Reserved, Shall be set to zero
+ * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
+ * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8:7> :: Reserved, Shall be set to zero
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4:3> :: Reserved, Shall be set to zero
+ * <2:0> :: USB highest speed
+ *
+ * Active Cable VDO 1 (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20> :: Reserved, Shall be set to zero
+ * <19:18> :: Connector type (10b == C, 11b == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
+ * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8> :: SBU supported (0b == supported, 1b == not supported)
+ * <7> :: SBU type (0b == passive, 1b == active)
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4> :: Vbus through cable (0b == no, 1b == yes)
+ * <3> :: SOP" controller present? (0b == no, 1b == yes)
+ * <2:0> :: USB highest speed
+ */
+/* Cable VDO Version */
+#define CABLE_VDO_VER1_0 0
+#define CABLE_VDO_VER1_3 3
+
+/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
+#define CABLE_ATYPE 0
+#define CABLE_BTYPE 1
+#define CABLE_CTYPE 2
+#define CABLE_CAPTIVE 3
+
+/* Cable Latency */
+#define CABLE_LATENCY_1M 1
+#define CABLE_LATENCY_2M 2
+#define CABLE_LATENCY_3M 3
+#define CABLE_LATENCY_4M 4
+#define CABLE_LATENCY_5M 5
+#define CABLE_LATENCY_6M 6
+#define CABLE_LATENCY_7M 7
+#define CABLE_LATENCY_7M_PLUS 8
+
+/* Cable Termination Type */
+#define PCABLE_VCONN_NOT_REQ 0
+#define PCABLE_VCONN_REQ 1
+#define ACABLE_ONE_END 2
+#define ACABLE_BOTH_END 3
+
+/* Maximum Vbus Voltage */
+#define CABLE_MAX_VBUS_20V 0
+#define CABLE_MAX_VBUS_30V 1
+#define CABLE_MAX_VBUS_40V 2
+#define CABLE_MAX_VBUS_50V 3
+
+/* Active Cable SBU Supported/Type */
+#define ACABLE_SBU_SUPP 0
+#define ACABLE_SBU_NOT_SUPP 1
+#define ACABLE_SBU_PASSIVE 0
+#define ACABLE_SBU_ACTIVE 1
+
+/* Vbus Current Handling Capability */
+#define CABLE_CURR_DEF 0
+#define CABLE_CURR_3A 1
+#define CABLE_CURR_5A 2
+
+/* USB SuperSpeed Signaling Support (PD Rev2.0) */
+#define CABLE_USBSS_U2_ONLY 0
+#define CABLE_USBSS_U31_GEN1 1
+#define CABLE_USBSS_U31_GEN2 2
+
+/* USB Highest Speed */
+#define CABLE_USB2_ONLY 0
+#define CABLE_USB32_GEN1 1
+#define CABLE_USB32_4_GEN2 2
+#define CABLE_USB4_GEN3 3
+
+#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
+ (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \
+ | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \
+ | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5 \
+ | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
+#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
+ | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
+#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
+ | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5 \
+ | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
+
+/*
+ * Active Cable VDO 2
+ * ---------
+ * <31:24> :: Maximum operating temperature
+ * <23:16> :: Shutdown temperature
+ * <15> :: Reserved, Shall be set to zero
+ * <14:12> :: U3/CLd power
+ * <11> :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
+ * <10> :: Physical connection (0b == copper, 1b == optical)
+ * <9> :: Active element (0b == redriver, 1b == retimer)
+ * <8> :: USB4 supported (0b == yes, 1b == no)
+ * <7:6> :: USB2 hub hops consumed
+ * <5> :: USB2 supported (0b == yes, 1b == no)
+ * <4> :: USB3.2 supported (0b == yes, 1b == no)
+ * <3> :: USB lanes supported (0b == one lane, 1b == two lanes)
+ * <2> :: Optically isolated active cable (0b == no, 1b == yes)
+ * <1> :: Reserved, Shall be set to zero
+ * <0> :: USB gen (0b == gen1, 1b == gen2+)
+ */
+/* U3/CLd Power*/
+#define ACAB2_U3_CLD_10MW_PLUS 0
+#define ACAB2_U3_CLD_10MW 1
+#define ACAB2_U3_CLD_5MW 2
+#define ACAB2_U3_CLD_1MW 3
+#define ACAB2_U3_CLD_500UW 4
+#define ACAB2_U3_CLD_200UW 5
+#define ACAB2_U3_CLD_50UW 6
+
+/* Other Active Cable VDO 2 Fields */
+#define ACAB2_U3U0_DIRECT 0
+#define ACAB2_U3U0_U3S 1
+#define ACAB2_PHY_COPPER 0
+#define ACAB2_PHY_OPTICAL 1
+#define ACAB2_REDRIVER 0
+#define ACAB2_RETIMER 1
+#define ACAB2_USB4_SUPP 0
+#define ACAB2_USB4_NOT_SUPP 1
+#define ACAB2_USB2_SUPP 0
+#define ACAB2_USB2_NOT_SUPP 1
+#define ACAB2_USB32_SUPP 0
+#define ACAB2_USB32_NOT_SUPP 1
+#define ACAB2_LANES_ONE 0
+#define ACAB2_LANES_TWO 1
+#define ACAB2_OPT_ISO_NO 0
+#define ACAB2_OPT_ISO_YES 1
+#define ACAB2_GEN_1 0
+#define ACAB2_GEN_2_PLUS 1
+
+#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen) \
+ (((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12 \
+ | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8 \
+ | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3 \
+ | (iso) << 2 | (gen))
+
+/*
+ * AMA VDO (PD Rev2.0)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:12> :: Reserved, Shall be set to zero
+ * <11> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
+ * <10> :: SSTX2 Directionality support
+ * <9> :: SSRX1 Directionality support
+ * <8> :: SSRX2 Directionality support
+ * <7:5> :: Vconn power
+ * <4> :: Vconn power required
+ * <3> :: Vbus power required
+ * <2:0> :: USB SS Signaling support
+ */
+#define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \
+ (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 \
+ | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8 \
+ | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3 \
+ | ((usbss) & 0x7))
+
+#define PD_VDO_AMA_VCONN_REQ(vdo) (((vdo) >> 4) & 1)
+#define PD_VDO_AMA_VBUS_REQ(vdo) (((vdo) >> 3) & 1)
+
+#define AMA_USBSS_U2_ONLY 0
+#define AMA_USBSS_U31_GEN1 1
+#define AMA_USBSS_U31_GEN2 2
+#define AMA_USBSS_BBONLY 3
+
+/*
+ * VPD VDO
+ * ---------
+ * <31:28> :: HW version
+ * <27:24> :: FW version
+ * <23:21> :: VDO version
+ * <20:17> :: Reserved, Shall be set to zero
+ * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <14> :: Charge through current support (0b == 3A, 1b == 5A)
+ * <13> :: Reserved, Shall be set to zero
+ * <12:7> :: Vbus impedance
+ * <6:1> :: Ground impedance
+ * <0> :: Charge through support (0b == no, 1b == yes)
+ */
+#define VPD_VDO_VER1_0 0
+#define VPD_MAX_VBUS_20V 0
+#define VPD_MAX_VBUS_30V 1
+#define VPD_MAX_VBUS_40V 2
+#define VPD_MAX_VBUS_50V 3
+#define VPDCT_CURR_3A 0
+#define VPDCT_CURR_5A 1
+#define VPDCT_NOT_SUPP 0
+#define VPDCT_SUPP 1
+
+#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7 \
+ | ((gi) & 0x3f) << 1 | (ct))
+
+#endif /* __DT_POWER_DELIVERY_H */
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 1d94acd..6fd3cda 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -13,7 +13,14 @@
#define ARMV8_PMU_CYCLE_IDX (ARMV8_PMU_MAX_COUNTERS - 1)
#define ARMV8_PMU_MAX_COUNTER_PAIRS ((ARMV8_PMU_MAX_COUNTERS + 1) >> 1)
-#ifdef CONFIG_KVM_ARM_PMU
+DECLARE_STATIC_KEY_FALSE(kvm_arm_pmu_available);
+
+static __always_inline bool kvm_arm_support_pmu_v3(void)
+{
+ return static_branch_likely(&kvm_arm_pmu_available);
+}
+
+#ifdef CONFIG_HW_PERF_EVENTS
struct kvm_pmc {
u8 idx; /* index into the pmu->pmc array */
@@ -24,13 +31,11 @@ struct kvm_pmu {
int irq_num;
struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS];
DECLARE_BITMAP(chained, ARMV8_PMU_MAX_COUNTER_PAIRS);
- bool ready;
bool created;
bool irq_level;
struct irq_work overflow_work;
};
-#define kvm_arm_pmu_v3_ready(v) ((v)->arch.pmu.ready)
#define kvm_arm_pmu_irq_initialized(v) ((v)->arch.pmu.irq_num >= VGIC_NR_SGIS)
u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu, u64 select_idx);
void kvm_pmu_set_counter_value(struct kvm_vcpu *vcpu, u64 select_idx, u64 val);
@@ -49,7 +54,6 @@ void kvm_pmu_software_increment(struct kvm_vcpu *vcpu, u64 val);
void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val);
void kvm_pmu_set_counter_event_type(struct kvm_vcpu *vcpu, u64 data,
u64 select_idx);
-bool kvm_arm_support_pmu_v3(void);
int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu,
struct kvm_device_attr *attr);
int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu,
@@ -61,7 +65,6 @@ int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu);
struct kvm_pmu {
};
-#define kvm_arm_pmu_v3_ready(v) (false)
#define kvm_arm_pmu_irq_initialized(v) (false)
static inline u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu,
u64 select_idx)
@@ -90,7 +93,6 @@ static inline void kvm_pmu_software_increment(struct kvm_vcpu *vcpu, u64 val) {}
static inline void kvm_pmu_handle_pmcr(struct kvm_vcpu *vcpu, u64 val) {}
static inline void kvm_pmu_set_counter_event_type(struct kvm_vcpu *vcpu,
u64 data, u64 select_idx) {}
-static inline bool kvm_arm_support_pmu_v3(void) { return false; }
static inline int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu,
struct kvm_device_attr *attr)
{
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index a8d8fdc..3d74f10 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -402,6 +402,7 @@ int kvm_vgic_v4_unset_forwarding(struct kvm *kvm, int irq,
struct kvm_kernel_irq_routing_entry *irq_entry);
int vgic_v4_load(struct kvm_vcpu *vcpu);
+void vgic_v4_commit(struct kvm_vcpu *vcpu);
int vgic_v4_put(struct kvm_vcpu *vcpu, bool need_db);
#endif /* __KVM_ARM_VGIC_H */
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 96d6940..b24659f 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -55,7 +55,7 @@ static inline struct fwnode_handle *acpi_alloc_fwnode_static(void)
if (!fwnode)
return NULL;
- fwnode->ops = &acpi_static_fwnode_ops;
+ fwnode_init(fwnode, &acpi_static_fwnode_ops);
return fwnode;
}
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 0bbfd64..55e2f02 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -17,6 +17,7 @@
#include <linux/err.h>
#include <linux/resource.h>
#include <linux/regulator/consumer.h>
+#include <linux/android_kabi.h>
#define AMBA_NR_IRQS 9
#define AMBA_CID 0xb105f00d
@@ -71,14 +72,18 @@ struct amba_device {
struct amba_cs_uci_id uci;
unsigned int irq[AMBA_NR_IRQS];
char *driver_override;
+
+ ANDROID_KABI_RESERVE(1);
};
struct amba_driver {
struct device_driver drv;
int (*probe)(struct amba_device *, const struct amba_id *);
- int (*remove)(struct amba_device *);
+ void (*remove)(struct amba_device *);
void (*shutdown)(struct amba_device *);
const struct amba_id *id_table;
+
+ ANDROID_KABI_RESERVE(1);
};
/*
diff --git a/include/linux/android_debug_symbols.h b/include/linux/android_debug_symbols.h
new file mode 100644
index 0000000..6a54e91
--- /dev/null
+++ b/include/linux/android_debug_symbols.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _ANDROID_DEBUG_SYMBOLS_H
+#define _ANDROID_DEBUG_SYMBOLS_H
+
+enum android_debug_symbol {
+ ADS_SDATA = 0,
+ ADS_BSS_END,
+ ADS_PER_CPU_START,
+ ADS_PER_CPU_END,
+ ADS_START_RO_AFTER_INIT,
+ ADS_END_RO_AFTER_INIT,
+ ADS_LINUX_BANNER,
+#ifdef CONFIG_CMA
+ ADS_TOTAL_CMA,
+#endif
+ ADS_SLAB_CACHES,
+ ADS_SLAB_MUTEX,
+ ADS_MIN_LOW_PFN,
+ ADS_MAX_PFN,
+#ifdef CONFIG_PAGE_OWNER
+ ADS_PAGE_OWNER_ENABLED,
+#endif
+#ifdef CONFIG_SLUB_DEBUG
+ ADS_SLUB_DEBUG,
+#endif
+#ifdef CONFIG_SWAP
+ ADS_NR_SWAP_PAGES,
+#endif
+#ifdef CONFIG_MMU
+ ADS_MMAP_MIN_ADDR,
+#endif
+ ADS_STACK_GUARD_GAP,
+#ifdef CONFIG_SYSCTL
+ ADS_SYSCTL_LEGACY_VA_LAYOUT,
+#endif
+ ADS_END
+};
+
+enum android_debug_per_cpu_symbol {
+ ADS_IRQ_STACK_PTR = 0,
+ ADS_DEBUG_PER_CPU_END
+};
+
+#ifdef CONFIG_ANDROID_DEBUG_SYMBOLS
+
+void *android_debug_symbol(enum android_debug_symbol symbol);
+void *android_debug_per_cpu_symbol(enum android_debug_per_cpu_symbol symbol);
+
+void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
+ void *data);
+
+#else /* !CONFIG_ANDROID_DEBUG_SYMBOLS */
+
+static inline void *android_debug_symbol(enum android_debug_symbol symbol)
+{
+ return NULL;
+}
+static inline void *android_debug_per_cpu_symbol(enum android_debug_per_cpu_symbol symbol)
+{
+ return NULL;
+}
+
+static inline void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr,
+ void *data), void *data) {}
+#endif /* CONFIG_ANDROID_DEBUG_SYMBOLS */
+
+#endif /* _ANDROID_DEBUG_SYMBOLS_H */
diff --git a/include/linux/android_kabi.h b/include/linux/android_kabi.h
new file mode 100644
index 0000000..9c7b6c0
--- /dev/null
+++ b/include/linux/android_kabi.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * android_kabi.h - Android kernel abi abstraction header
+ *
+ * Copyright (C) 2020 Google, Inc.
+ *
+ * Heavily influenced by rh_kabi.h which came from the RHEL/CENTOS kernel and
+ * was:
+ * Copyright (c) 2014 Don Zickus
+ * Copyright (c) 2015-2018 Jiri Benc
+ * Copyright (c) 2015 Sabrina Dubroca, Hannes Frederic Sowa
+ * Copyright (c) 2016-2018 Prarit Bhargava
+ * Copyright (c) 2017 Paolo Abeni, Larry Woodman
+ *
+ * These macros are to be used to try to help alleviate future kernel abi
+ * changes that will occur as LTS and other kernel patches are merged into the
+ * tree during a period in which the kernel abi is wishing to not be disturbed.
+ *
+ * There are two times these macros should be used:
+ * - Before the kernel abi is "frozen"
+ * Padding can be added to various kernel structures that have in the past
+ * been known to change over time. That will give "room" in the structure
+ * that can then be used when fields are added so that the structure size
+ * will not change.
+ *
+ * - After the kernel abi is "frozen"
+ * If a structure's field is changed to a type that is identical in size to
+ * the previous type, it can be changed with a union macro
+ * If a field is added to a structure, the padding fields can be used to add
+ * the new field in a "safe" way.
+ */
+#ifndef _ANDROID_KABI_H
+#define _ANDROID_KABI_H
+
+#include <linux/compiler.h>
+
+/*
+ * Worker macros, don't use these, use the ones without a leading '_'
+ */
+
+#define __ANDROID_KABI_CHECK_SIZE_ALIGN(_orig, _new) \
+ union { \
+ _Static_assert(sizeof(struct{_new;}) <= sizeof(struct{_orig;}), \
+ __FILE__ ":" __stringify(__LINE__) ": " \
+ __stringify(_new) \
+ " is larger than " \
+ __stringify(_orig) ); \
+ _Static_assert(__alignof__(struct{_new;}) <= __alignof__(struct{_orig;}), \
+ __FILE__ ":" __stringify(__LINE__) ": " \
+ __stringify(_orig) \
+ " is not aligned the same as " \
+ __stringify(_new) ); \
+ }
+
+#ifdef __GENKSYMS__
+
+#define _ANDROID_KABI_REPLACE(_orig, _new) _orig
+
+#else
+
+#define _ANDROID_KABI_REPLACE(_orig, _new) \
+ union { \
+ _new; \
+ struct { \
+ _orig; \
+ }; \
+ __ANDROID_KABI_CHECK_SIZE_ALIGN(_orig, _new); \
+ }
+
+#endif /* __GENKSYMS__ */
+
+#define _ANDROID_KABI_RESERVE(n) u64 android_kabi_reserved##n
+
+
+/*
+ * Macros to use _before_ the ABI is frozen
+ */
+
+/*
+ * ANDROID_KABI_RESERVE
+ * Reserve some "padding" in a structure for potential future use.
+ * This normally placed at the end of a structure.
+ * number: the "number" of the padding variable in the structure. Start with
+ * 1 and go up.
+ */
+#define ANDROID_KABI_RESERVE(number) _ANDROID_KABI_RESERVE(number)
+
+
+/*
+ * Macros to use _after_ the ABI is frozen
+ */
+
+/*
+ * ANDROID_KABI_USE(number, _new)
+ * Use a previous padding entry that was defined with ANDROID_KABI_RESERVE
+ * number: the previous "number" of the padding variable
+ * _new: the variable to use now instead of the padding variable
+ */
+#define ANDROID_KABI_USE(number, _new) \
+ _ANDROID_KABI_REPLACE(_ANDROID_KABI_RESERVE(number), _new)
+
+/*
+ * ANDROID_KABI_USE2(number, _new1, _new2)
+ * Use a previous padding entry that was defined with ANDROID_KABI_RESERVE for
+ * two new variables that fit into 64 bits. This is good for when you do not
+ * want to "burn" a 64bit padding variable for a smaller variable size if not
+ * needed.
+ */
+#define ANDROID_KABI_USE2(number, _new1, _new2) \
+ _ANDROID_KABI_REPLACE(_ANDROID_KABI_RESERVE(number), struct{ _new1; _new2; })
+
+
+#endif /* _ANDROID_KABI_H */
diff --git a/include/linux/android_vendor.h b/include/linux/android_vendor.h
new file mode 100644
index 0000000..59fc573
--- /dev/null
+++ b/include/linux/android_vendor.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * android_vendor.h - Android vendor data
+ *
+ * Copyright 2020 Google LLC
+ *
+ * These macros are to be used to reserve space in kernel data structures
+ * for use by vendor modules.
+ *
+ * These macros should be used before the kernel abi is "frozen".
+ * Fields can be added to various kernel structures that need space
+ * for functionality implemented in vendor modules. The use of
+ * these fields is vendor specific.
+ */
+#ifndef _ANDROID_VENDOR_H
+#define _ANDROID_VENDOR_H
+
+/*
+ * ANDROID_VENDOR_DATA
+ * Reserve some "padding" in a structure for potential future use.
+ * This normally placed at the end of a structure.
+ * number: the "number" of the padding variable in the structure. Start with
+ * 1 and go up.
+ *
+ * ANDROID_VENDOR_DATA_ARRAY
+ * Same as ANDROID_VENDOR_DATA but allocates an array of u64 with
+ * the specified size
+ */
+#define ANDROID_VENDOR_DATA(n) u64 android_vendor_data##n
+#define ANDROID_VENDOR_DATA_ARRAY(n, s) u64 android_vendor_data##n[s]
+
+#define ANDROID_OEM_DATA(n) u64 android_oem_data##n
+#define ANDROID_OEM_DATA_ARRAY(n, s) u64 android_oem_data##n[s]
+
+#endif /* _ANDROID_VENDOR_H */
diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h
index d0d7d96..71881a2b 100644
--- a/include/linux/anon_inodes.h
+++ b/include/linux/anon_inodes.h
@@ -10,12 +10,17 @@
#define _LINUX_ANON_INODES_H
struct file_operations;
+struct inode;
struct file *anon_inode_getfile(const char *name,
const struct file_operations *fops,
void *priv, int flags);
int anon_inode_getfd(const char *name, const struct file_operations *fops,
void *priv, int flags);
+int anon_inode_getfd_secure(const char *name,
+ const struct file_operations *fops,
+ void *priv, int flags,
+ const struct inode *context_inode);
#endif /* _LINUX_ANON_INODES_H */
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 0f6cd6b..d76d953 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -7,6 +7,7 @@
#include <linux/types.h>
#include <linux/percpu.h>
+#include <linux/android_vendor.h>
void topology_normalize_cpu_scale(void);
int topology_update_cpu_topology(void);
@@ -54,6 +55,8 @@ struct cpu_topology {
cpumask_t thread_sibling;
cpumask_t core_sibling;
cpumask_t llc_sibling;
+
+ cpumask_t android_vendor_data1;
};
#ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
@@ -72,5 +75,6 @@ void remove_cpu_topology(unsigned int cpuid);
void reset_cpu_topology(void);
int parse_acpi_topology(void);
#endif
+extern bool topology_update_done;
#endif /* _LINUX_ARCH_TOPOLOGY_H_ */
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index f860645..62c5423 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -102,6 +102,37 @@
ARM_SMCCC_OWNER_STANDARD_HYP, \
0x21)
+/* TRNG entropy source calls (defined by ARM DEN0098) */
+#define ARM_SMCCC_TRNG_VERSION \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_32, \
+ ARM_SMCCC_OWNER_STANDARD, \
+ 0x50)
+
+#define ARM_SMCCC_TRNG_FEATURES \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_32, \
+ ARM_SMCCC_OWNER_STANDARD, \
+ 0x51)
+
+#define ARM_SMCCC_TRNG_GET_UUID \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_32, \
+ ARM_SMCCC_OWNER_STANDARD, \
+ 0x52)
+
+#define ARM_SMCCC_TRNG_RND32 \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_32, \
+ ARM_SMCCC_OWNER_STANDARD, \
+ 0x53)
+
+#define ARM_SMCCC_TRNG_RND64 \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_64, \
+ ARM_SMCCC_OWNER_STANDARD, \
+ 0x53)
+
/*
* Return codes defined in ARM DEN 0070A
* ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index fff9367..f3314ad 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -13,6 +13,7 @@
#include <linux/workqueue.h>
#include <linux/kref.h>
#include <linux/refcount.h>
+#include <linux/android_kabi.h>
struct page;
struct device;
@@ -160,6 +161,9 @@ struct bdi_writeback {
struct rcu_head rcu;
};
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct backing_dev_info {
@@ -198,6 +202,9 @@ struct backing_dev_info {
#ifdef CONFIG_DEBUG_FS
struct dentry *debug_dir;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
enum {
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 23b7a73..0d4d617 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -10,6 +10,7 @@
#include <linux/ioprio.h>
/* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */
#include <linux/blk_types.h>
+#include <linux/android_kabi.h>
#define BIO_DEBUG
@@ -321,6 +322,10 @@ struct bio_integrity_payload {
struct work_struct bip_work; /* I/O completion */
struct bio_vec *bip_vec;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
struct bio_vec bip_inline_vecs[];/* embedded bvec array */
};
@@ -694,6 +699,11 @@ struct bio_set {
struct bio_list rescue_list;
struct work_struct rescue_work;
struct workqueue_struct *rescue_workqueue;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct biovec_slab {
diff --git a/include/linux/blk-crypto.h b/include/linux/blk-crypto.h
index 69b24fe..c495572 100644
--- a/include/linux/blk-crypto.h
+++ b/include/linux/blk-crypto.h
@@ -17,6 +17,8 @@ enum blk_crypto_mode_num {
};
#define BLK_CRYPTO_MAX_KEY_SIZE 64
+#define BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE 128
+
/**
* struct blk_crypto_config - an inline encryption key's crypto configuration
* @crypto_mode: encryption algorithm this key is for
@@ -25,11 +27,14 @@ enum blk_crypto_mode_num {
* ciphertext. This is always a power of 2. It might be e.g. the
* filesystem block size or the disk sector size.
* @dun_bytes: the maximum number of bytes of DUN used when using this key
+ * @is_hw_wrapped: @raw points to a wrapped key to be used by an inline
+ * encryption hardware that accepts wrapped keys.
*/
struct blk_crypto_config {
enum blk_crypto_mode_num crypto_mode;
unsigned int data_unit_size;
unsigned int dun_bytes;
+ bool is_hw_wrapped;
};
/**
@@ -48,7 +53,7 @@ struct blk_crypto_key {
struct blk_crypto_config crypto_cfg;
unsigned int data_unit_size_bits;
unsigned int size;
- u8 raw[BLK_CRYPTO_MAX_KEY_SIZE];
+ u8 raw[BLK_CRYPTO_MAX_WRAPPED_KEY_SIZE];
};
#define BLK_CRYPTO_MAX_IV_SIZE 32
@@ -89,7 +94,9 @@ bool bio_crypt_dun_is_contiguous(const struct bio_crypt_ctx *bc,
unsigned int bytes,
const u64 next_dun[BLK_CRYPTO_DUN_ARRAY_SIZE]);
-int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
+int blk_crypto_init_key(struct blk_crypto_key *blk_key,
+ const u8 *raw_key, unsigned int raw_key_size,
+ bool is_hw_wrapped,
enum blk_crypto_mode_num crypto_mode,
unsigned int dun_bytes,
unsigned int data_unit_size);
@@ -112,6 +119,9 @@ static inline bool bio_has_crypt_ctx(struct bio *bio)
#endif /* CONFIG_BLK_INLINE_ENCRYPTION */
+static inline void bio_clone_skip_dm_default_key(struct bio *dst,
+ const struct bio *src);
+
int __bio_crypt_clone(struct bio *dst, struct bio *src, gfp_t gfp_mask);
/**
* bio_crypt_clone - clone bio encryption context
@@ -127,9 +137,42 @@ int __bio_crypt_clone(struct bio *dst, struct bio *src, gfp_t gfp_mask);
static inline int bio_crypt_clone(struct bio *dst, struct bio *src,
gfp_t gfp_mask)
{
+ bio_clone_skip_dm_default_key(dst, src);
if (bio_has_crypt_ctx(src))
return __bio_crypt_clone(dst, src, gfp_mask);
return 0;
}
+#if IS_ENABLED(CONFIG_DM_DEFAULT_KEY)
+static inline void bio_set_skip_dm_default_key(struct bio *bio)
+{
+ bio->bi_skip_dm_default_key = true;
+}
+
+static inline bool bio_should_skip_dm_default_key(const struct bio *bio)
+{
+ return bio->bi_skip_dm_default_key;
+}
+
+static inline void bio_clone_skip_dm_default_key(struct bio *dst,
+ const struct bio *src)
+{
+ dst->bi_skip_dm_default_key = src->bi_skip_dm_default_key;
+}
+#else /* CONFIG_DM_DEFAULT_KEY */
+static inline void bio_set_skip_dm_default_key(struct bio *bio)
+{
+}
+
+static inline bool bio_should_skip_dm_default_key(const struct bio *bio)
+{
+ return false;
+}
+
+static inline void bio_clone_skip_dm_default_key(struct bio *dst,
+ const struct bio *src)
+{
+}
+#endif /* !CONFIG_DM_DEFAULT_KEY */
+
#endif /* __LINUX_BLK_CRYPTO_H */
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index f8ea274..a2aa73d 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -139,10 +139,6 @@ struct blk_mq_hw_ctx {
* shared across request queues.
*/
atomic_t nr_active;
- /**
- * @elevator_queued: Number of queued requests on hctx.
- */
- atomic_t elevator_queued;
/** @cpuhp_online: List to store request if CPU is going to die */
struct hlist_node cpuhp_online;
@@ -398,7 +394,13 @@ enum {
BLK_MQ_F_STACKING = 1 << 2,
BLK_MQ_F_TAG_HCTX_SHARED = 1 << 3,
BLK_MQ_F_BLOCKING = 1 << 5,
+ /* Do not allow an I/O scheduler to be configured. */
BLK_MQ_F_NO_SCHED = 1 << 6,
+ /*
+ * Select 'none' during queue registration in case of a single hwq
+ * or shared hwqs instead of 'mq-deadline'.
+ */
+ BLK_MQ_F_NO_SCHED_BY_DEFAULT = 1 << 7,
BLK_MQ_F_ALLOC_POLICY_START_BIT = 8,
BLK_MQ_F_ALLOC_POLICY_BITS = 1,
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index d9b69bb..3fb97c2 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -9,6 +9,7 @@
#include <linux/types.h>
#include <linux/bvec.h>
#include <linux/ktime.h>
+#include <linux/android_kabi.h>
struct bio_set;
struct bio;
@@ -46,6 +47,12 @@ struct block_device {
int bd_fsfreeze_count;
/* Mutex for freeze */
struct mutex bd_fsfreeze_mutex;
+ struct super_block *bd_fsfreeze_sb;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
/*
@@ -235,6 +242,9 @@ struct bio {
#ifdef CONFIG_BLK_INLINE_ENCRYPTION
struct bio_crypt_ctx *bi_crypt_context;
+#if IS_ENABLED(CONFIG_DM_DEFAULT_KEY)
+ bool bi_skip_dm_default_key;
+#endif
#endif
union {
@@ -257,6 +267,9 @@ struct bio {
struct bio_set *bi_pool;
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
/*
* We can inline a number of vecs at the end of the bio, to avoid
* double allocations for a small number of bio_vecs. This member
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 98fdf5a3..0b16df9 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -26,6 +26,8 @@
#include <linux/scatterlist.h>
#include <linux/blkzoned.h>
#include <linux/pm.h>
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
struct module;
struct scsi_ioctl_command;
@@ -250,6 +252,8 @@ struct request {
*/
rq_end_io_fn *end_io;
void *end_io_data;
+
+ ANDROID_KABI_RESERVE(1);
};
static inline bool blk_op_is_scsi(unsigned int op)
@@ -354,6 +358,8 @@ struct queue_limits {
unsigned char discard_misaligned;
unsigned char raid_partial_stripes_expensive;
enum blk_zoned_model zoned;
+
+ ANDROID_KABI_RESERVE(1);
};
typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
@@ -596,6 +602,12 @@ struct request_queue {
#define BLK_MAX_WRITE_HINTS 5
u64 write_hints[BLK_MAX_WRITE_HINTS];
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+ ANDROID_OEM_DATA(1);
};
/* Keep blk_queue_flag_name[] in sync with the definitions below */
@@ -700,18 +712,6 @@ static inline bool queue_is_mq(struct request_queue *q)
return q->mq_ops;
}
-#ifdef CONFIG_PM
-static inline enum rpm_status queue_rpm_status(struct request_queue *q)
-{
- return q->rpm_status;
-}
-#else
-static inline enum rpm_status queue_rpm_status(struct request_queue *q)
-{
- return RPM_ACTIVE;
-}
-#endif
-
static inline enum blk_zoned_model
blk_queue_zoned_model(struct request_queue *q)
{
@@ -1890,6 +1890,10 @@ struct block_device_operations {
char *(*devnode)(struct gendisk *disk, umode_t *mode);
struct module *owner;
const struct pr_ops *pr_ops;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_OEM_DATA(1);
};
#ifdef CONFIG_COMPAT
@@ -2054,7 +2058,7 @@ static inline int sync_blockdev(struct block_device *bdev)
#endif
int fsync_bdev(struct block_device *bdev);
-struct super_block *freeze_bdev(struct block_device *bdev);
-int thaw_bdev(struct block_device *bdev, struct super_block *sb);
+int freeze_bdev(struct block_device *bdev);
+int thaw_bdev(struct block_device *bdev);
#endif /* _LINUX_BLKDEV_H */
diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h
index 2696eb0..6bdd94c 100644
--- a/include/linux/bootconfig.h
+++ b/include/linux/bootconfig.h
@@ -16,6 +16,26 @@
#define BOOTCONFIG_ALIGN (1 << BOOTCONFIG_ALIGN_SHIFT)
#define BOOTCONFIG_ALIGN_MASK (BOOTCONFIG_ALIGN - 1)
+/**
+ * xbc_calc_checksum() - Calculate checksum of bootconfig
+ * @data: Bootconfig data.
+ * @size: The size of the bootconfig data.
+ *
+ * Calculate the checksum value of the bootconfig data.
+ * The checksum will be used with the BOOTCONFIG_MAGIC and the size for
+ * embedding the bootconfig in the initrd image.
+ */
+static inline __init u32 xbc_calc_checksum(void *data, u32 size)
+{
+ unsigned char *p = data;
+ u32 ret = 0;
+
+ while (size--)
+ ret += *p++;
+
+ return ret;
+}
+
/* XBC tree node */
struct xbc_node {
u16 next;
@@ -71,7 +91,7 @@ static inline __init bool xbc_node_is_key(struct xbc_node *node)
*/
static inline __init bool xbc_node_is_array(struct xbc_node *node)
{
- return xbc_node_is_value(node) && node->next != 0;
+ return xbc_node_is_value(node) && node->child != 0;
}
/**
@@ -80,6 +100,8 @@ static inline __init bool xbc_node_is_array(struct xbc_node *node)
*
* Test the @node is a leaf key node which is a key node and has a value node
* or no child. Returns true if it is a leaf node, or false if not.
+ * Note that the leaf node can have subkey nodes in addition to the
+ * value node.
*/
static inline __init bool xbc_node_is_leaf(struct xbc_node *node)
{
@@ -130,6 +152,23 @@ static inline struct xbc_node * __init xbc_find_node(const char *key)
}
/**
+ * xbc_node_get_subkey() - Return the first subkey node if exists
+ * @node: Parent node
+ *
+ * Return the first subkey node of the @node. If the @node has no child
+ * or only value node, this will return NULL.
+ */
+static inline struct xbc_node * __init xbc_node_get_subkey(struct xbc_node *node)
+{
+ struct xbc_node *child = xbc_node_get_child(node);
+
+ if (child && xbc_node_is_value(child))
+ return xbc_node_get_next(child);
+ else
+ return child;
+}
+
+/**
* xbc_array_for_each_value() - Iterate value nodes on an array
* @anode: An XBC arraied value node
* @value: A value
@@ -140,7 +179,7 @@ static inline struct xbc_node * __init xbc_find_node(const char *key)
*/
#define xbc_array_for_each_value(anode, value) \
for (value = xbc_node_get_data(anode); anode != NULL ; \
- anode = xbc_node_get_next(anode), \
+ anode = xbc_node_get_child(anode), \
value = anode ? xbc_node_get_data(anode) : NULL)
/**
@@ -149,12 +188,25 @@ static inline struct xbc_node * __init xbc_find_node(const char *key)
* @child: Iterated XBC node.
*
* Iterate child nodes of @parent. Each child nodes are stored to @child.
+ * The @child can be mixture of a value node and subkey nodes.
*/
#define xbc_node_for_each_child(parent, child) \
for (child = xbc_node_get_child(parent); child != NULL ; \
child = xbc_node_get_next(child))
/**
+ * xbc_node_for_each_subkey() - Iterate child subkey nodes
+ * @parent: An XBC node.
+ * @child: Iterated XBC node.
+ *
+ * Iterate subkey nodes of @parent. Each child nodes are stored to @child.
+ * The @child is only the subkey node.
+ */
+#define xbc_node_for_each_subkey(parent, child) \
+ for (child = xbc_node_get_subkey(parent); child != NULL ; \
+ child = xbc_node_get_next(child))
+
+/**
* xbc_node_for_each_array_value() - Iterate array entries of geven key
* @node: An XBC node.
* @key: A key string searched under @node
@@ -171,7 +223,7 @@ static inline struct xbc_node * __init xbc_find_node(const char *key)
*/
#define xbc_node_for_each_array_value(node, key, anode, value) \
for (value = xbc_node_find_value(node, key, &anode); value != NULL; \
- anode = xbc_node_get_next(anode), \
+ anode = xbc_node_get_child(anode), \
value = anode ? xbc_node_get_data(anode) : NULL)
/**
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 474a0d8..ba9e582 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -21,6 +21,7 @@
#include <linux/kallsyms.h>
#include <linux/capability.h>
#include <linux/percpu-refcount.h>
+#include <linux/android_kabi.h>
struct bpf_verifier_env;
struct bpf_verifier_log;
@@ -132,6 +133,9 @@ struct bpf_map_ops {
/* bpf_iter info used to open a seq_file */
const struct bpf_iter_seq_info *iter_seq_info;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct bpf_map_memory {
@@ -173,7 +177,14 @@ struct bpf_map {
atomic64_t usercnt;
struct work_struct work;
struct mutex freeze_mutex;
+#ifdef __GENKSYMS__
+ /* Preserve the CRC change that commit 33fe044f6a9e ("bpf: Fix toctou on
+ * read-only map's constant scalar tracking") caused.
+ */
+ u64 writecnt;
+#else
atomic64_t writecnt;
+#endif
};
static inline bool map_value_has_spin_lock(const struct bpf_map *map)
@@ -218,6 +229,8 @@ struct bpf_map_dev_ops {
int (*map_update_elem)(struct bpf_offloaded_map *map,
void *key, void *value, u64 flags);
int (*map_delete_elem)(struct bpf_offloaded_map *map, void *key);
+
+ ANDROID_KABI_RESERVE(1);
};
struct bpf_offloaded_map {
@@ -459,6 +472,7 @@ struct bpf_verifier_ops {
const struct btf_type *t, int off, int size,
enum bpf_access_type atype,
u32 *next_btf_id);
+ ANDROID_KABI_RESERVE(1);
};
struct bpf_prog_offload_ops {
@@ -474,6 +488,7 @@ struct bpf_prog_offload_ops {
int (*prepare)(struct bpf_prog *prog);
int (*translate)(struct bpf_prog *prog);
void (*destroy)(struct bpf_prog *prog);
+ ANDROID_KABI_RESERVE(1);
};
struct bpf_prog_offload {
@@ -652,7 +667,7 @@ struct bpf_dispatcher {
struct bpf_ksym ksym;
};
-static __always_inline unsigned int bpf_dispatcher_nop_func(
+static __always_inline __nocfi unsigned int bpf_dispatcher_nop_func(
const void *ctx,
const struct bpf_insn *insnsi,
unsigned int (*bpf_func)(const void *,
@@ -680,7 +695,7 @@ void bpf_trampoline_put(struct bpf_trampoline *tr);
}
#define DEFINE_BPF_DISPATCHER(name) \
- noinline unsigned int bpf_dispatcher_##name##_func( \
+ noinline __nocfi unsigned int bpf_dispatcher_##name##_func( \
const void *ctx, \
const struct bpf_insn *insnsi, \
unsigned int (*bpf_func)(const void *, \
@@ -754,7 +769,6 @@ struct bpf_jit_poke_descriptor {
void *tailcall_target;
void *tailcall_bypass;
void *bypass_addr;
- void *aux;
union {
struct {
struct bpf_map *map;
@@ -854,6 +868,7 @@ struct bpf_prog_aux {
struct work_struct work;
struct rcu_head rcu;
};
+ ANDROID_KABI_RESERVE(1);
};
struct bpf_array_aux {
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 6e330ff..f2286b8 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -7,6 +7,7 @@
#include <linux/bpf.h> /* for enum bpf_reg_type */
#include <linux/filter.h> /* for MAX_BPF_STACK */
#include <linux/tnum.h>
+#include <linux/android_kabi.h>
/* Maximum variable offset umax_value permitted when resolving memory accesses.
* In practice this is far bigger than any realistic pointer offset; this limit
@@ -377,6 +378,8 @@ struct bpf_subprog_info {
bool has_tail_call;
bool tail_call_reachable;
bool has_ld_abs;
+
+ ANDROID_KABI_RESERVE(1);
};
/* single container for all structs
@@ -434,6 +437,9 @@ struct bpf_verifier_env {
u32 peak_states;
/* longest register parentage chain walked for liveness marking */
u32 longest_mark_read_walk;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
__printf(2, 0) void bpf_verifier_vlog(struct bpf_verifier_log *log,
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 6b47f94..b04d34b 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -194,6 +194,8 @@ void __breadahead_gfp(struct block_device *, sector_t block, unsigned int size,
struct buffer_head *__bread_gfp(struct block_device *,
sector_t block, unsigned size, gfp_t gfp);
void invalidate_bh_lrus(void);
+void invalidate_bh_lrus_cpu(void);
+bool has_bh_in_lru(int cpu, void *dummy);
struct buffer_head *alloc_buffer_head(gfp_t gfp_flags);
void free_buffer_head(struct buffer_head * bh);
void unlock_buffer(struct buffer_head *bh);
@@ -406,6 +408,8 @@ static inline int inode_has_buffers(struct inode *inode) { return 0; }
static inline void invalidate_inode_buffers(struct inode *inode) {}
static inline int remove_inode_buffers(struct inode *inode) { return 1; }
static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; }
+static inline void invalidate_bh_lrus_cpu(void) {}
+static inline bool has_bh_in_lru(int cpu, void *dummy) { return 0; }
#define buffer_heads_over_limit 0
#endif /* CONFIG_BLOCK */
diff --git a/include/linux/cfi.h b/include/linux/cfi.h
new file mode 100644
index 0000000..b381c6c
--- /dev/null
+++ b/include/linux/cfi.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Clang Control Flow Integrity (CFI) support.
+ *
+ * Copyright (C) 2019 Google LLC
+ */
+#ifndef _LINUX_CFI_H
+#define _LINUX_CFI_H
+
+#ifdef CONFIG_CFI_CLANG
+typedef void (*cfi_check_fn)(uint64_t id, void *ptr, void *diag);
+
+/* Compiler-generated function in each module, and the kernel */
+extern void __cfi_check(uint64_t id, void *ptr, void *diag);
+
+/*
+ * Force the compiler to generate a CFI jump table entry for a function
+ * and store the jump table address to __cfi_jt_<function>.
+ */
+#define __CFI_ADDRESSABLE(fn) \
+ const void* __cfi_jt_ ## fn __visible = (void *)&fn;
+
+#ifdef CONFIG_CFI_CLANG_SHADOW
+
+extern void cfi_module_add(struct module *mod, unsigned long base_addr);
+extern void cfi_module_remove(struct module *mod, unsigned long base_addr);
+
+#else
+
+static inline void cfi_module_add(struct module *mod, unsigned long base_addr) {}
+static inline void cfi_module_remove(struct module *mod, unsigned long base_addr) {}
+
+#endif /* CONFIG_CFI_CLANG_SHADOW */
+
+#else /* !CONFIG_CFI_CLANG */
+
+#define __CFI_ADDRESSABLE(fn)
+
+#endif /* CONFIG_CFI_CLANG */
+
+#endif /* _LINUX_CFI_H */
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index fee0b55..8c19303 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -110,6 +110,7 @@ enum {
CFTYPE_NO_PREFIX = (1 << 3), /* (DON'T USE FOR NEW FILES) no subsys prefix */
CFTYPE_WORLD_WRITABLE = (1 << 4), /* (DON'T USE FOR NEW FILES) S_IWUGO */
CFTYPE_DEBUG = (1 << 5), /* create when cgroup_debug */
+ CFTYPE_PRESSURE = (1 << 6), /* only if pressure feature is enabled */
/* internal flags, do not use outside cgroup core proper */
__CFTYPE_ONLY_ON_DFL = (1 << 16), /* only on default hierarchy */
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 618838c..67b2190 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -24,6 +24,7 @@
#include <linux/user_namespace.h>
#include <linux/refcount.h>
#include <linux/kernel_stat.h>
+#include <linux/android_kabi.h>
#include <linux/cgroup-defs.h>
@@ -66,6 +67,8 @@ struct css_task_iter {
struct css_set *cur_dcset;
struct task_struct *cur_task;
struct list_head iters_node; /* css_set->task_iters */
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct cgroup_root cgrp_dfl_root;
@@ -676,6 +679,8 @@ static inline struct psi_group *cgroup_psi(struct cgroup *cgrp)
return &cgrp->psi;
}
+bool cgroup_psi_enabled(void);
+
static inline void cgroup_init_kthreadd(void)
{
/*
@@ -735,6 +740,11 @@ static inline struct psi_group *cgroup_psi(struct cgroup *cgrp)
return NULL;
}
+static inline bool cgroup_psi_enabled(void)
+{
+ return false;
+}
+
static inline bool task_under_cgroup_hierarchy(struct task_struct *task,
struct cgroup *ancestor)
{
diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h
index 5f5730c..b6c42ce 100644
--- a/include/linux/cleancache.h
+++ b/include/linux/cleancache.h
@@ -5,6 +5,7 @@
#include <linux/fs.h>
#include <linux/exportfs.h>
#include <linux/mm.h>
+#include <linux/android_vendor.h>
#define CLEANCACHE_NO_POOL -1
#define CLEANCACHE_NO_BACKEND -2
@@ -36,6 +37,7 @@ struct cleancache_ops {
void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t);
void (*invalidate_inode)(int, struct cleancache_filekey);
void (*invalidate_fs)(int);
+ ANDROID_OEM_DATA(1);
};
extern int cleancache_register_ops(const struct cleancache_ops *ops);
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 03a5de5..0624f9a 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -32,6 +32,7 @@
#define CLK_OPS_PARENT_ENABLE BIT(12)
/* duty cycle call may be forwarded to the parent clock */
#define CLK_DUTY_CYCLE_PARENT BIT(13)
+#define CLK_DONT_HOLD_STATE BIT(14) /* Don't hold state */
struct clk;
struct clk_hw;
@@ -205,6 +206,13 @@ struct clk_duty {
* directory is provided as an argument. Called with
* prepare_lock held. Returns 0 on success, -EERROR otherwise.
*
+ * @pre_rate_change: Optional callback for a clock to fulfill its rate
+ * change requirements before any rate change has occurred in
+ * its clock tree. Returns 0 on success, -EERROR otherwise.
+ *
+ * @post_rate_change: Optional callback for a clock to clean up any
+ * requirements that were needed while the clock and its tree
+ * was changing states. Returns 0 on success, -EERROR otherwise.
*
* The clk_enable/clk_disable and clk_prepare/clk_unprepare pairs allow
* implementations to split any work between atomic (enable) and sleepable
@@ -252,6 +260,12 @@ struct clk_ops {
int (*init)(struct clk_hw *hw);
void (*terminate)(struct clk_hw *hw);
void (*debug_init)(struct clk_hw *hw, struct dentry *dentry);
+ int (*pre_rate_change)(struct clk_hw *hw,
+ unsigned long rate,
+ unsigned long new_rate);
+ int (*post_rate_change)(struct clk_hw *hw,
+ unsigned long old_rate,
+ unsigned long rate);
};
/**
@@ -1076,6 +1090,7 @@ void devm_clk_unregister(struct device *dev, struct clk *clk);
void clk_hw_unregister(struct clk_hw *hw);
void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw);
+void clk_sync_state(struct device *dev);
/* helper functions */
const char *__clk_get_name(const struct clk *clk);
@@ -1088,6 +1103,11 @@ static inline struct clk_hw *__clk_get_hw(struct clk *clk)
return (struct clk_hw *)clk;
}
#endif
+
+struct clk *clk_hw_get_clk(struct clk_hw *hw, const char *con_id);
+struct clk *devm_clk_hw_get_clk(struct device *dev, struct clk_hw *hw,
+ const char *con_id);
+
unsigned int clk_hw_get_num_parents(const struct clk_hw *hw);
struct clk_hw *clk_hw_get_parent(const struct clk_hw *hw);
struct clk_hw *clk_hw_get_parent_by_index(const struct clk_hw *hw,
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 7fd6a1f..4ac766d 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -110,6 +110,17 @@ int clk_notifier_register(struct clk *clk, struct notifier_block *nb);
int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb);
/**
+ * devm_clk_notifier_register - register a managed rate-change notifier callback
+ * @dev: device for clock "consumer"
+ * @clk: clock whose rate we are interested in
+ * @nb: notifier block with callback function pointer
+ *
+ * Returns 0 on success, -EERROR otherwise
+ */
+int devm_clk_notifier_register(struct device *dev, struct clk *clk,
+ struct notifier_block *nb);
+
+/**
* clk_get_accuracy - obtain the clock accuracy in ppb (parts per billion)
* for a clock source.
* @clk: clock source
@@ -186,6 +197,13 @@ static inline int clk_notifier_unregister(struct clk *clk,
return -ENOTSUPP;
}
+static inline int devm_clk_notifier_register(struct device *dev,
+ struct clk *clk,
+ struct notifier_block *nb)
+{
+ return -ENOTSUPP;
+}
+
static inline long clk_get_accuracy(struct clk *clk)
{
return -ENOTSUPP;
diff --git a/include/linux/cma.h b/include/linux/cma.h
index 217999c..4f29ac1 100644
--- a/include/linux/cma.h
+++ b/include/linux/cma.h
@@ -22,6 +22,15 @@
struct cma;
+struct cma_alloc_info {
+ unsigned long nr_migrated;
+ unsigned long nr_reclaimed;
+ unsigned long nr_mapped;
+ unsigned int nr_isolate_fail;
+ unsigned int nr_migrate_fail;
+ unsigned int nr_test_fail;
+};
+
extern unsigned long totalcma_pages;
extern phys_addr_t cma_get_base(const struct cma *cma);
extern unsigned long cma_get_size(const struct cma *cma);
@@ -45,7 +54,7 @@ extern int cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
const char *name,
struct cma **res_cma);
extern struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
- bool no_warn);
+ gfp_t gfp_mask);
extern bool cma_release(struct cma *cma, const struct page *pages, unsigned int count);
extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data);
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 1de5a11..f1eb9f9 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -85,6 +85,8 @@ extern int sysctl_compact_memory;
extern unsigned int sysctl_compaction_proactiveness;
extern int sysctl_compaction_handler(struct ctl_table *table, int write,
void *buffer, size_t *length, loff_t *ppos);
+extern int compaction_proactiveness_sysctl_handler(struct ctl_table *table,
+ int write, void *buffer, size_t *length, loff_t *ppos);
extern int sysctl_extfrag_threshold;
extern int sysctl_compact_unevictable_allowed;
@@ -182,6 +184,8 @@ bool compaction_zonelist_suitable(struct alloc_context *ac, int order,
extern int kcompactd_run(int nid);
extern void kcompactd_stop(int nid);
extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int highest_zoneidx);
+extern unsigned long isolate_and_split_free_page(struct page *page,
+ struct list_head *list);
#else
static inline void reset_isolation_suitable(pg_data_t *pgdat)
@@ -236,6 +240,12 @@ static inline void wakeup_kcompactd(pg_data_t *pgdat,
{
}
+static inline unsigned long isolate_and_split_free_page(struct page *page,
+ struct list_head *list)
+{
+ return 0;
+}
+
#endif /* CONFIG_COMPACTION */
struct node;
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index 9ba951e..8a26cd9 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -88,3 +88,6 @@
#if __has_feature(shadow_call_stack)
# define __noscs __attribute__((__no_sanitize__("shadow-call-stack")))
#endif
+
+#define __nocfi __attribute__((__no_sanitize__("cfi")))
+#define __cficanonical __attribute__((__cfi_canonical_jump_table__))
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 2a1c202..2a31195 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -237,6 +237,14 @@ struct ftrace_likely_data {
# define __noscs
#endif
+#ifndef __nocfi
+# define __nocfi
+#endif
+
+#ifndef __cficanonical
+# define __cficanonical
+#endif
+
#ifndef asm_volatile_goto
#define asm_volatile_goto(x...) asm goto(x)
#endif
diff --git a/include/linux/console.h b/include/linux/console.h
index bc2a749..4b1e26c 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -150,8 +150,6 @@ struct console {
short flags;
short index;
int cflag;
- uint ispeed;
- uint ospeed;
void *data;
struct console *next;
};
diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h
index b0e35ee..4ac5c08 100644
--- a/include/linux/coresight-pmu.h
+++ b/include/linux/coresight-pmu.h
@@ -10,17 +10,27 @@
#define CORESIGHT_ETM_PMU_NAME "cs_etm"
#define CORESIGHT_ETM_PMU_SEED 0x10
-/* ETMv3.5/PTM's ETMCR config bit */
-#define ETM_OPT_CYCACC 12
-#define ETM_OPT_CTXTID 14
-#define ETM_OPT_TS 28
-#define ETM_OPT_RETSTK 29
+/*
+ * Below are the definition of bit offsets for perf option, and works as
+ * arbitrary values for all ETM versions.
+ *
+ * Most of them are orignally from ETMv3.5/PTM's ETMCR config, therefore,
+ * ETMv3.5/PTM doesn't define ETMCR config bits with prefix "ETM3_" and
+ * directly use below macros as config bits.
+ */
+#define ETM_OPT_CYCACC 12
+#define ETM_OPT_CTXTID 14
+#define ETM_OPT_CTXTID2 15
+#define ETM_OPT_TS 28
+#define ETM_OPT_RETSTK 29
/* ETMv4 CONFIGR programming bits for the ETM OPTs */
#define ETM4_CFG_BIT_CYCACC 4
#define ETM4_CFG_BIT_CTXTID 6
+#define ETM4_CFG_BIT_VMID 7
#define ETM4_CFG_BIT_TS 11
#define ETM4_CFG_BIT_RETSTK 12
+#define ETM4_CFG_BIT_VMID_OPT 15
static inline int coresight_get_trace_id(int cpu)
{
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 7d3c87e..85008a6 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -7,6 +7,7 @@
#define _LINUX_CORESIGHT_H
#include <linux/device.h>
+#include <linux/io.h>
#include <linux/perf_event.h>
#include <linux/sched.h>
@@ -49,6 +50,7 @@ enum coresight_dev_subtype_sink {
CORESIGHT_DEV_SUBTYPE_SINK_PORT,
CORESIGHT_DEV_SUBTYPE_SINK_BUFFER,
CORESIGHT_DEV_SUBTYPE_SINK_SYSMEM,
+ CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM,
};
enum coresight_dev_subtype_link {
@@ -115,6 +117,32 @@ struct coresight_platform_data {
};
/**
+ * struct csdev_access - Abstraction of a CoreSight device access.
+ *
+ * @io_mem : True if the device has memory mapped I/O
+ * @base : When io_mem == true, base address of the component
+ * @read : Read from the given "offset" of the given instance.
+ * @write : Write "val" to the given "offset".
+ */
+struct csdev_access {
+ bool io_mem;
+ union {
+ void __iomem *base;
+ struct {
+ u64 (*read)(u32 offset, bool relaxed, bool _64bit);
+ void (*write)(u64 val, u32 offset, bool relaxed,
+ bool _64bit);
+ };
+ };
+};
+
+#define CSDEV_ACCESS_IOMEM(_addr) \
+ ((struct csdev_access) { \
+ .io_mem = true, \
+ .base = (_addr), \
+ })
+
+/**
* struct coresight_desc - description of a component required from drivers
* @type: as defined by @coresight_dev_type.
* @subtype: as defined by @coresight_dev_subtype.
@@ -125,6 +153,7 @@ struct coresight_platform_data {
* @groups: operations specific to this component. These will end up
* in the component's sysfs sub-directory.
* @name: name for the coresight device, also shown under sysfs.
+ * @access: Describe access to the device
*/
struct coresight_desc {
enum coresight_dev_type type;
@@ -134,6 +163,7 @@ struct coresight_desc {
struct device *dev;
const struct attribute_group **groups;
const char *name;
+ struct csdev_access access;
};
/**
@@ -173,7 +203,8 @@ struct coresight_sysfs_link {
* @type: as defined by @coresight_dev_type.
* @subtype: as defined by @coresight_dev_subtype.
* @ops: generic operations for this component, as defined
- by @coresight_ops.
+ * by @coresight_ops.
+ * @access: Device i/o access abstraction for this device.
* @dev: The device entity associated to this component.
* @refcnt: keep track of what is in use.
* @orphan: true if the component has connections that haven't been linked.
@@ -195,6 +226,7 @@ struct coresight_device {
enum coresight_dev_type type;
union coresight_dev_subtype subtype;
const struct coresight_ops *ops;
+ struct csdev_access access;
struct device dev;
atomic_t *refcnt;
bool orphan;
@@ -326,23 +358,145 @@ struct coresight_ops {
};
#if IS_ENABLED(CONFIG_CORESIGHT)
+
+static inline u32 csdev_access_relaxed_read32(struct csdev_access *csa,
+ u32 offset)
+{
+ if (likely(csa->io_mem))
+ return readl_relaxed(csa->base + offset);
+
+ return csa->read(offset, true, false);
+}
+
+static inline u32 csdev_access_read32(struct csdev_access *csa, u32 offset)
+{
+ if (likely(csa->io_mem))
+ return readl(csa->base + offset);
+
+ return csa->read(offset, false, false);
+}
+
+static inline void csdev_access_relaxed_write32(struct csdev_access *csa,
+ u32 val, u32 offset)
+{
+ if (likely(csa->io_mem))
+ writel_relaxed(val, csa->base + offset);
+ else
+ csa->write(val, offset, true, false);
+}
+
+static inline void csdev_access_write32(struct csdev_access *csa, u32 val, u32 offset)
+{
+ if (likely(csa->io_mem))
+ writel(val, csa->base + offset);
+ else
+ csa->write(val, offset, false, false);
+}
+
+#ifdef CONFIG_64BIT
+
+static inline u64 csdev_access_relaxed_read64(struct csdev_access *csa,
+ u32 offset)
+{
+ if (likely(csa->io_mem))
+ return readq_relaxed(csa->base + offset);
+
+ return csa->read(offset, true, true);
+}
+
+static inline u64 csdev_access_read64(struct csdev_access *csa, u32 offset)
+{
+ if (likely(csa->io_mem))
+ return readq(csa->base + offset);
+
+ return csa->read(offset, false, true);
+}
+
+static inline void csdev_access_relaxed_write64(struct csdev_access *csa,
+ u64 val, u32 offset)
+{
+ if (likely(csa->io_mem))
+ writeq_relaxed(val, csa->base + offset);
+ else
+ csa->write(val, offset, true, true);
+}
+
+static inline void csdev_access_write64(struct csdev_access *csa, u64 val, u32 offset)
+{
+ if (likely(csa->io_mem))
+ writeq(val, csa->base + offset);
+ else
+ csa->write(val, offset, false, true);
+}
+
+#else /* !CONFIG_64BIT */
+
+static inline u64 csdev_access_relaxed_read64(struct csdev_access *csa,
+ u32 offset)
+{
+ WARN_ON(1);
+ return 0;
+}
+
+static inline u64 csdev_access_read64(struct csdev_access *csa, u32 offset)
+{
+ WARN_ON(1);
+ return 0;
+}
+
+static inline void csdev_access_relaxed_write64(struct csdev_access *csa,
+ u64 val, u32 offset)
+{
+ WARN_ON(1);
+}
+
+static inline void csdev_access_write64(struct csdev_access *csa, u64 val, u32 offset)
+{
+ WARN_ON(1);
+}
+#endif /* CONFIG_64BIT */
+
+static inline bool coresight_is_percpu_source(struct coresight_device *csdev)
+{
+ return csdev && (csdev->type == CORESIGHT_DEV_TYPE_SOURCE) &&
+ (csdev->subtype.source_subtype == CORESIGHT_DEV_SUBTYPE_SOURCE_PROC);
+}
+
+static inline bool coresight_is_percpu_sink(struct coresight_device *csdev)
+{
+ return csdev && (csdev->type == CORESIGHT_DEV_TYPE_SINK) &&
+ (csdev->subtype.sink_subtype == CORESIGHT_DEV_SUBTYPE_SINK_PERCPU_SYSMEM);
+}
+
extern struct coresight_device *
coresight_register(struct coresight_desc *desc);
extern void coresight_unregister(struct coresight_device *csdev);
extern int coresight_enable(struct coresight_device *csdev);
extern void coresight_disable(struct coresight_device *csdev);
-extern int coresight_timeout(void __iomem *addr, u32 offset,
+extern int coresight_timeout(struct csdev_access *csa, u32 offset,
int position, int value);
-extern int coresight_claim_device(void __iomem *base);
-extern int coresight_claim_device_unlocked(void __iomem *base);
+extern int coresight_claim_device(struct coresight_device *csdev);
+extern int coresight_claim_device_unlocked(struct coresight_device *csdev);
-extern void coresight_disclaim_device(void __iomem *base);
-extern void coresight_disclaim_device_unlocked(void __iomem *base);
+extern void coresight_disclaim_device(struct coresight_device *csdev);
+extern void coresight_disclaim_device_unlocked(struct coresight_device *csdev);
extern char *coresight_alloc_device_name(struct coresight_dev_list *devs,
struct device *dev);
extern bool coresight_loses_context_with_cpu(struct device *dev);
+
+u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset);
+u32 coresight_read32(struct coresight_device *csdev, u32 offset);
+void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset);
+void coresight_relaxed_write32(struct coresight_device *csdev,
+ u32 val, u32 offset);
+u64 coresight_relaxed_read64(struct coresight_device *csdev, u32 offset);
+u64 coresight_read64(struct coresight_device *csdev, u32 offset);
+void coresight_relaxed_write64(struct coresight_device *csdev,
+ u64 val, u32 offset);
+void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset);
+
#else
static inline struct coresight_device *
coresight_register(struct coresight_desc *desc) { return NULL; }
@@ -350,29 +504,78 @@ static inline void coresight_unregister(struct coresight_device *csdev) {}
static inline int
coresight_enable(struct coresight_device *csdev) { return -ENOSYS; }
static inline void coresight_disable(struct coresight_device *csdev) {}
-static inline int coresight_timeout(void __iomem *addr, u32 offset,
- int position, int value) { return 1; }
-static inline int coresight_claim_device_unlocked(void __iomem *base)
+
+static inline int coresight_timeout(struct csdev_access *csa, u32 offset,
+ int position, int value)
+{
+ return 1;
+}
+
+static inline int coresight_claim_device_unlocked(struct coresight_device *csdev)
{
return -EINVAL;
}
-static inline int coresight_claim_device(void __iomem *base)
+static inline int coresight_claim_device(struct coresight_device *csdev)
{
return -EINVAL;
}
-static inline void coresight_disclaim_device(void __iomem *base) {}
-static inline void coresight_disclaim_device_unlocked(void __iomem *base) {}
+static inline void coresight_disclaim_device(struct coresight_device *csdev) {}
+static inline void coresight_disclaim_device_unlocked(struct coresight_device *csdev) {}
static inline bool coresight_loses_context_with_cpu(struct device *dev)
{
return false;
}
-#endif
+
+static inline u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset)
+{
+ WARN_ON_ONCE(1);
+ return 0;
+}
+
+static inline u32 coresight_read32(struct coresight_device *csdev, u32 offset)
+{
+ WARN_ON_ONCE(1);
+ return 0;
+}
+
+static inline void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset)
+{
+}
+
+static inline void coresight_relaxed_write32(struct coresight_device *csdev,
+ u32 val, u32 offset)
+{
+}
+
+static inline u64 coresight_relaxed_read64(struct coresight_device *csdev,
+ u32 offset)
+{
+ WARN_ON_ONCE(1);
+ return 0;
+}
+
+static inline u64 coresight_read64(struct coresight_device *csdev, u32 offset)
+{
+ WARN_ON_ONCE(1);
+ return 0;
+}
+
+static inline void coresight_relaxed_write64(struct coresight_device *csdev,
+ u64 val, u32 offset)
+{
+}
+
+static inline void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset)
+{
+}
+
+#endif /* IS_ENABLED(CONFIG_CORESIGHT) */
extern int coresight_get_cpu(struct device *dev);
struct coresight_platform_data *coresight_get_platform_data(struct device *dev);
-#endif
+#endif /* _LINUX_COREISGHT_H */
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index d6428aa..22ae91f8 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -122,6 +122,8 @@ extern void cpu_hotplug_disable(void);
extern void cpu_hotplug_enable(void);
void clear_tasks_mm_cpumask(int cpu);
int remove_cpu(unsigned int cpu);
+int pause_cpus(struct cpumask *cpumask);
+int resume_cpus(struct cpumask *cpumask);
int cpu_device_down(struct device *dev);
extern void smp_shutdown_nonboot_cpus(unsigned int primary_cpu);
@@ -135,6 +137,8 @@ static inline int cpus_read_trylock(void) { return true; }
static inline void lockdep_assert_cpus_held(void) { }
static inline void cpu_hotplug_disable(void) { }
static inline void cpu_hotplug_enable(void) { }
+static inline int pause_cpus(struct cpumask *cpumask) { return -ENODEV; }
+static inline int resume_cpus(struct cpumask *cpumask) { return -ENODEV; }
static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { }
#endif /* !CONFIG_HOTPLUG_CPU */
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index acbad3b..54ee250 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -1023,14 +1023,6 @@ static inline bool policy_has_boost_freq(struct cpufreq_policy *policy)
}
#endif
-#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
-void sched_cpufreq_governor_change(struct cpufreq_policy *policy,
- struct cpufreq_governor *old_gov);
-#else
-static inline void sched_cpufreq_governor_change(struct cpufreq_policy *policy,
- struct cpufreq_governor *old_gov) { }
-#endif
-
extern void arch_freq_prepare_all(void);
extern unsigned int arch_freq_get_on_cpu(int cpu);
diff --git a/include/linux/cpufreq_times.h b/include/linux/cpufreq_times.h
new file mode 100644
index 0000000..38272a5
--- /dev/null
+++ b/include/linux/cpufreq_times.h
@@ -0,0 +1,42 @@
+/* drivers/cpufreq/cpufreq_times.c
+ *
+ * Copyright (C) 2018 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_CPUFREQ_TIMES_H
+#define _LINUX_CPUFREQ_TIMES_H
+
+#include <linux/cpufreq.h>
+#include <linux/pid.h>
+
+#ifdef CONFIG_CPU_FREQ_TIMES
+void cpufreq_task_times_init(struct task_struct *p);
+void cpufreq_task_times_alloc(struct task_struct *p);
+void cpufreq_task_times_exit(struct task_struct *p);
+int proc_time_in_state_show(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *p);
+void cpufreq_acct_update_power(struct task_struct *p, u64 cputime);
+void cpufreq_times_create_policy(struct cpufreq_policy *policy);
+void cpufreq_times_record_transition(struct cpufreq_policy *policy,
+ unsigned int new_freq);
+#else
+static inline void cpufreq_task_times_init(struct task_struct *p) {}
+static inline void cpufreq_task_times_alloc(struct task_struct *p) {}
+static inline void cpufreq_task_times_exit(struct task_struct *p) {}
+static inline void cpufreq_acct_update_power(struct task_struct *p,
+ u64 cputime) {}
+static inline void cpufreq_times_create_policy(struct cpufreq_policy *policy) {}
+static inline void cpufreq_times_record_transition(
+ struct cpufreq_policy *policy, unsigned int new_freq) {}
+#endif /* CONFIG_CPU_FREQ_TIMES */
+#endif /* _LINUX_CPUFREQ_TIMES_H */
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 8fb893e..843bb05 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -193,7 +193,12 @@ enum cpuhp_state {
CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30,
CPUHP_AP_X86_HPET_ONLINE,
CPUHP_AP_X86_KVM_CLK_ONLINE,
+ CPUHP_AP_DTPM_CPU_ONLINE,
CPUHP_AP_ACTIVE,
+ CPUHP_ANDROID_RESERVED_1,
+ CPUHP_ANDROID_RESERVED_2,
+ CPUHP_ANDROID_RESERVED_3,
+ CPUHP_ANDROID_RESERVED_4,
CPUHP_ONLINE,
};
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index bd605b5..4b51019 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -14,6 +14,7 @@
#include <linux/percpu.h>
#include <linux/list.h>
#include <linux/hrtimer.h>
+#include <linux/android_kabi.h>
#define CPUIDLE_STATE_MAX 10
#define CPUIDLE_NAME_LEN 16
@@ -110,6 +111,8 @@ struct cpuidle_device {
cpumask_t coupled_cpus;
struct cpuidle_coupled *coupled;
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices);
@@ -135,6 +138,8 @@ struct cpuidle_driver {
/* preferred governor to switch at register time */
const char *governor;
+
+ ANDROID_KABI_RESERVE(1);
};
#ifdef CONFIG_CPU_IDLE
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 04c20de66..8063ae2 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -15,6 +15,7 @@
#include <linux/cpumask.h>
#include <linux/nodemask.h>
#include <linux/mm.h>
+#include <linux/mmu_context.h>
#include <linux/jump_label.h>
#ifdef CONFIG_CPUSETS
@@ -54,9 +55,8 @@ extern int cpuset_init(void);
extern void cpuset_init_smp(void);
extern void cpuset_force_rebuild(void);
extern void cpuset_update_active_cpus(void);
+extern void cpuset_update_active_cpus_affine(int cpu);
extern void cpuset_wait_for_hotplug(void);
-extern void cpuset_read_lock(void);
-extern void cpuset_read_unlock(void);
extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask);
extern void cpuset_cpus_allowed_fallback(struct task_struct *p);
extern nodemask_t cpuset_mems_allowed(struct task_struct *p);
@@ -162,6 +162,8 @@ static inline void set_mems_allowed(nodemask_t nodemask)
task_unlock(current);
}
+extern void cpuset_hotplug_workfn(struct work_struct *work);
+
#else /* !CONFIG_CPUSETS */
static inline bool cpusets_enabled(void) { return false; }
@@ -171,6 +173,8 @@ static inline void cpuset_init_smp(void) {}
static inline void cpuset_force_rebuild(void) { }
+static inline void cpuset_update_active_cpus_affine(int cpu) {}
+
static inline void cpuset_update_active_cpus(void)
{
partition_sched_domains(1, NULL, NULL);
@@ -178,13 +182,10 @@ static inline void cpuset_update_active_cpus(void)
static inline void cpuset_wait_for_hotplug(void) { }
-static inline void cpuset_read_lock(void) { }
-static inline void cpuset_read_unlock(void) { }
-
static inline void cpuset_cpus_allowed(struct task_struct *p,
struct cpumask *mask)
{
- cpumask_copy(mask, cpu_possible_mask);
+ cpumask_copy(mask, task_cpu_possible_mask(p));
}
static inline void cpuset_cpus_allowed_fallback(struct task_struct *p)
@@ -280,6 +281,8 @@ static inline bool read_mems_allowed_retry(unsigned int seq)
return false;
}
+static inline void cpuset_hotplug_workfn(struct work_struct *work) {}
+
#endif /* !CONFIG_CPUSETS */
#endif /* _LINUX_CPUSET_H */
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index e3abd1f..da5e0d7 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -639,10 +639,6 @@ struct crypto_tfm {
void *__crt_ctx[] CRYPTO_MINALIGN_ATTR;
};
-struct crypto_cipher {
- struct crypto_tfm base;
-};
-
struct crypto_comp {
struct crypto_tfm base;
};
@@ -746,165 +742,6 @@ static inline unsigned int crypto_tfm_ctx_alignment(void)
return __alignof__(tfm->__crt_ctx);
}
-/**
- * DOC: Single Block Cipher API
- *
- * The single block cipher API is used with the ciphers of type
- * CRYPTO_ALG_TYPE_CIPHER (listed as type "cipher" in /proc/crypto).
- *
- * Using the single block cipher API calls, operations with the basic cipher
- * primitive can be implemented. These cipher primitives exclude any block
- * chaining operations including IV handling.
- *
- * The purpose of this single block cipher API is to support the implementation
- * of templates or other concepts that only need to perform the cipher operation
- * on one block at a time. Templates invoke the underlying cipher primitive
- * block-wise and process either the input or the output data of these cipher
- * operations.
- */
-
-static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm)
-{
- return (struct crypto_cipher *)tfm;
-}
-
-/**
- * crypto_alloc_cipher() - allocate single block cipher handle
- * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
- * single block cipher
- * @type: specifies the type of the cipher
- * @mask: specifies the mask for the cipher
- *
- * Allocate a cipher handle for a single block cipher. The returned struct
- * crypto_cipher is the cipher handle that is required for any subsequent API
- * invocation for that single block cipher.
- *
- * Return: allocated cipher handle in case of success; IS_ERR() is true in case
- * of an error, PTR_ERR() returns the error code.
- */
-static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name,
- u32 type, u32 mask)
-{
- type &= ~CRYPTO_ALG_TYPE_MASK;
- type |= CRYPTO_ALG_TYPE_CIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK;
-
- return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask));
-}
-
-static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
-{
- return &tfm->base;
-}
-
-/**
- * crypto_free_cipher() - zeroize and free the single block cipher handle
- * @tfm: cipher handle to be freed
- */
-static inline void crypto_free_cipher(struct crypto_cipher *tfm)
-{
- crypto_free_tfm(crypto_cipher_tfm(tfm));
-}
-
-/**
- * crypto_has_cipher() - Search for the availability of a single block cipher
- * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
- * single block cipher
- * @type: specifies the type of the cipher
- * @mask: specifies the mask for the cipher
- *
- * Return: true when the single block cipher is known to the kernel crypto API;
- * false otherwise
- */
-static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask)
-{
- type &= ~CRYPTO_ALG_TYPE_MASK;
- type |= CRYPTO_ALG_TYPE_CIPHER;
- mask |= CRYPTO_ALG_TYPE_MASK;
-
- return crypto_has_alg(alg_name, type, mask);
-}
-
-/**
- * crypto_cipher_blocksize() - obtain block size for cipher
- * @tfm: cipher handle
- *
- * The block size for the single block cipher referenced with the cipher handle
- * tfm is returned. The caller may use that information to allocate appropriate
- * memory for the data returned by the encryption or decryption operation
- *
- * Return: block size of cipher
- */
-static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm)
-{
- return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm));
-}
-
-static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm)
-{
- return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm));
-}
-
-static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm)
-{
- return crypto_tfm_get_flags(crypto_cipher_tfm(tfm));
-}
-
-static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm,
- u32 flags)
-{
- crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags);
-}
-
-static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm,
- u32 flags)
-{
- crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags);
-}
-
-/**
- * crypto_cipher_setkey() - set key for cipher
- * @tfm: cipher handle
- * @key: buffer holding the key
- * @keylen: length of the key in bytes
- *
- * The caller provided key is set for the single block cipher referenced by the
- * cipher handle.
- *
- * Note, the key length determines the cipher type. Many block ciphers implement
- * different cipher modes depending on the key size, such as AES-128 vs AES-192
- * vs. AES-256. When providing a 16 byte key for an AES cipher handle, AES-128
- * is performed.
- *
- * Return: 0 if the setting of the key was successful; < 0 if an error occurred
- */
-int crypto_cipher_setkey(struct crypto_cipher *tfm,
- const u8 *key, unsigned int keylen);
-
-/**
- * crypto_cipher_encrypt_one() - encrypt one block of plaintext
- * @tfm: cipher handle
- * @dst: points to the buffer that will be filled with the ciphertext
- * @src: buffer holding the plaintext to be encrypted
- *
- * Invoke the encryption operation of one block. The caller must ensure that
- * the plaintext and ciphertext buffers are at least one block in size.
- */
-void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
- u8 *dst, const u8 *src);
-
-/**
- * crypto_cipher_decrypt_one() - decrypt one block of ciphertext
- * @tfm: cipher handle
- * @dst: points to the buffer that will be filled with the plaintext
- * @src: buffer holding the ciphertext to be decrypted
- *
- * Invoke the decryption operation of one block. The caller must ensure that
- * the plaintext and ciphertext buffers are at least one block in size.
- */
-void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
- u8 *dst, const u8 *src);
-
static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
{
return (struct crypto_comp *)tfm;
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 6f95c33..8836cf7 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -13,6 +13,7 @@
#include <linux/lockref.h>
#include <linux/stringhash.h>
#include <linux/wait.h>
+#include <linux/android_kabi.h>
struct path;
struct vfsmount;
@@ -118,6 +119,9 @@ struct dentry {
struct hlist_bl_node d_in_lookup_hash; /* only for in-lookup ones */
struct rcu_head d_rcu;
} d_u;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
} __randomize_layout;
/*
@@ -147,6 +151,11 @@ struct dentry_operations {
struct vfsmount *(*d_automount)(struct path *);
int (*d_manage)(const struct path *, bool);
struct dentry *(*d_real)(struct dentry *, const struct inode *);
+ void (*d_canonical_path)(const struct path *, struct path *);
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} ____cacheline_aligned;
/*
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 50cc070..ccb909e 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -13,6 +13,7 @@
#include <linux/dm-ioctl.h>
#include <linux/math64.h>
#include <linux/ratelimit.h>
+#include <linux/android_kabi.h>
struct dm_dev;
struct dm_target;
@@ -198,6 +199,9 @@ struct target_type {
dm_dax_copy_iter_fn dax_copy_to_iter;
dm_dax_zero_page_range_fn dax_zero_page_range;
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
/* For internal device-mapper use. */
struct list_head list;
};
@@ -261,6 +265,12 @@ struct target_type {
#define DM_TARGET_NOWAIT 0x00000080
#define dm_target_supports_nowait(type) ((type)->features & DM_TARGET_NOWAIT)
+/*
+ * A target supports passing through inline crypto support.
+ */
+#define DM_TARGET_PASSES_CRYPTO 0x00000100
+#define dm_target_passes_crypto(type) ((type)->features & DM_TARGET_PASSES_CRYPTO)
+
#ifdef CONFIG_BLK_DEV_ZONED
#define DM_TARGET_MIXED_ZONED_MODEL 0x00000200
#define dm_target_supports_mixed_zoned_model(type) \
@@ -343,6 +353,9 @@ struct dm_target {
* Set if we need to limit the number of in-flight bios when swapping.
*/
bool limit_swap_bios:1;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
void *dm_per_bio_data(struct bio *bio, size_t data_size);
@@ -552,6 +565,11 @@ struct dm_table *dm_swap_table(struct mapped_device *md,
struct dm_table *t);
/*
+ * Table keyslot manager functions
+ */
+void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm);
+
+/*
* A wrapper around vmalloc.
*/
void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
diff --git a/include/linux/device.h b/include/linux/device.h
index 5dc0f81..540a14f 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -30,6 +30,7 @@
#include <linux/device/bus.h>
#include <linux/device/class.h>
#include <linux/device/driver.h>
+#include <linux/android_kabi.h>
#include <asm/device.h>
struct device;
@@ -324,6 +325,7 @@ enum device_link_state {
* AUTOPROBE_CONSUMER: Probe consumer driver automatically after supplier binds.
* MANAGED: The core tracks presence of supplier/consumer drivers (internal).
* SYNC_STATE_ONLY: Link only affects sync_state() behavior.
+ * INFERRED: Inferred from data (eg: firmware) and not from driver actions.
*/
#define DL_FLAG_STATELESS BIT(0)
#define DL_FLAG_AUTOREMOVE_CONSUMER BIT(1)
@@ -333,6 +335,7 @@ enum device_link_state {
#define DL_FLAG_AUTOPROBE_CONSUMER BIT(5)
#define DL_FLAG_MANAGED BIT(6)
#define DL_FLAG_SYNC_STATE_ONLY BIT(7)
+#define DL_FLAG_INFERRED BIT(8)
/**
* enum dl_dev_state - Device driver presence tracking information.
@@ -352,19 +355,13 @@ enum dl_dev_state {
* struct dev_links_info - Device data related to device links.
* @suppliers: List of links to supplier devices.
* @consumers: List of links to consumer devices.
- * @needs_suppliers: Hook to global list of devices waiting for suppliers.
- * @defer_hook: Hook to global list of devices that have deferred sync_state or
- * deferred fw_devlink.
- * @need_for_probe: If needs_suppliers is on a list, this indicates if the
- * suppliers are needed for probe or not.
+ * @defer_sync: Hook to global list of devices that have deferred sync_state.
* @status: Driver status information.
*/
struct dev_links_info {
struct list_head suppliers;
struct list_head consumers;
- struct list_head needs_suppliers;
- struct list_head defer_hook;
- bool need_for_probe;
+ struct list_head defer_sync;
enum dl_dev_state status;
};
@@ -497,7 +494,6 @@ struct device {
struct dev_pin_info *pins;
#endif
#ifdef CONFIG_GENERIC_MSI_IRQ
- raw_spinlock_t msi_lock;
struct list_head msi_list;
#endif
#ifdef CONFIG_DMA_OPS
@@ -558,6 +554,14 @@ struct device {
#ifdef CONFIG_DMA_OPS_BYPASS
bool dma_ops_bypass : 1;
#endif
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+ ANDROID_KABI_RESERVE(5);
+ ANDROID_KABI_RESERVE(6);
+ ANDROID_KABI_RESERVE(7);
+ ANDROID_KABI_RESERVE(8);
};
/**
@@ -584,8 +588,14 @@ struct device_link {
u32 flags;
refcount_t rpm_active;
struct kref kref;
+#ifdef CONFIG_SRCU
+ /* Not currently used, here for potential abi issues in the future */
+ struct rcu_head rcu_head;
+#endif
struct work_struct rm_work;
bool supplier_preactivated; /* Owned by consumer probe. */
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
static inline struct device *kobj_to_dev(struct kobject *kobj)
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index 1ea5e1d..93ed259 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -112,6 +112,11 @@ struct bus_type {
struct lock_class_key lock_key;
bool need_parent_lock;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
extern int __must_check bus_register(struct bus_type *bus);
diff --git a/include/linux/device/class.h b/include/linux/device/class.h
index e8d470c..9923e48 100644
--- a/include/linux/device/class.h
+++ b/include/linux/device/class.h
@@ -18,6 +18,7 @@
#include <linux/klist.h>
#include <linux/pm.h>
#include <linux/device/bus.h>
+#include <linux/android_kabi.h>
struct device;
struct fwnode_handle;
@@ -75,6 +76,11 @@ struct class {
const struct dev_pm_ops *pm;
struct subsys_private *p;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct class_dev_iter {
diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index ee7ba5b..d5ad474 100644
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -118,6 +118,11 @@ struct device_driver {
void (*coredump) (struct device *dev);
struct driver_private *p;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 957b398..a9ad8cf 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -21,6 +21,7 @@
#include <linux/fs.h>
#include <linux/dma-fence.h>
#include <linux/wait.h>
+#include <linux/android_kabi.h>
struct device;
struct dma_buf;
@@ -210,6 +211,41 @@ struct dma_buf_ops {
int (*begin_cpu_access)(struct dma_buf *, enum dma_data_direction);
/**
+ * @begin_cpu_access_partial:
+ *
+ * This is called from dma_buf_begin_cpu_access_partial() and allows the
+ * exporter to ensure that the memory specified in the range is
+ * available for cpu access - the exporter might need to allocate or
+ * swap-in and pin the backing storage.
+ * The exporter also needs to ensure that cpu access is
+ * coherent for the access direction. The direction can be used by the
+ * exporter to optimize the cache flushing, i.e. access with a different
+ * direction (read instead of write) might return stale or even bogus
+ * data (e.g. when the exporter needs to copy the data to temporary
+ * storage).
+ *
+ * This callback is optional.
+ *
+ * FIXME: This is both called through the DMA_BUF_IOCTL_SYNC command
+ * from userspace (where storage shouldn't be pinned to avoid handing
+ * de-factor mlock rights to userspace) and for the kernel-internal
+ * users of the various kmap interfaces, where the backing storage must
+ * be pinned to guarantee that the atomic kmap calls can succeed. Since
+ * there's no in-kernel users of the kmap interfaces yet this isn't a
+ * real problem.
+ *
+ * Returns:
+ *
+ * 0 on success or a negative error code on failure. This can for
+ * example fail when the backing storage can't be allocated. Can also
+ * return -ERESTARTSYS or -EINTR when the call has been interrupted and
+ * needs to be restarted.
+ */
+ int (*begin_cpu_access_partial)(struct dma_buf *dmabuf,
+ enum dma_data_direction,
+ unsigned int offset, unsigned int len);
+
+ /**
* @end_cpu_access:
*
* This is called from dma_buf_end_cpu_access() when the importer is
@@ -229,6 +265,28 @@ struct dma_buf_ops {
int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction);
/**
+ * @end_cpu_access_partial:
+ *
+ * This is called from dma_buf_end_cpu_access_partial() when the
+ * importer is done accessing the CPU. The exporter can use to limit
+ * cache flushing to only the range specefied and to unpin any
+ * resources pinned in @begin_cpu_access_umapped.
+ * The result of any dma_buf kmap calls after end_cpu_access_partial is
+ * undefined.
+ *
+ * This callback is optional.
+ *
+ * Returns:
+ *
+ * 0 on success or a negative error code on failure. Can return
+ * -ERESTARTSYS or -EINTR when the call has been interrupted and needs
+ * to be restarted.
+ */
+ int (*end_cpu_access_partial)(struct dma_buf *dmabuf,
+ enum dma_data_direction,
+ unsigned int offset, unsigned int len);
+
+ /**
* @mmap:
*
* This callback is used by the dma_buf_mmap() function
@@ -267,6 +325,38 @@ struct dma_buf_ops {
void *(*vmap)(struct dma_buf *);
void (*vunmap)(struct dma_buf *, void *vaddr);
+
+ /**
+ * @get_uuid
+ *
+ * This is called by dma_buf_get_uuid to get the UUID which identifies
+ * the buffer to virtio devices.
+ *
+ * This callback is optional.
+ *
+ * Returns:
+ *
+ * 0 on success or a negative error code on failure. On success uuid
+ * will be populated with the buffer's UUID.
+ */
+ int (*get_uuid)(struct dma_buf *dmabuf, uuid_t *uuid);
+
+ /**
+ * @get_flags:
+ *
+ * This is called by dma_buf_get_flags and is used to get the buffer's
+ * flags.
+ * This callback is optional.
+ *
+ * Returns:
+ *
+ * 0 on success or a negative error code on failure. On success flags
+ * will be populated with the buffer's flags.
+ */
+ int (*get_flags)(struct dma_buf *dmabuf, unsigned long *flags);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
@@ -292,6 +382,7 @@ struct dma_buf_ops {
* @poll: for userspace poll support
* @cb_excl: for userspace poll support
* @cb_shared: for userspace poll support
+ * @sysfs_entry: for exposing information about this buffer in sysfs.
*
* This represents a shared buffer, created by calling dma_buf_export(). The
* userspace representation is a normal file descriptor, which can be created by
@@ -327,6 +418,16 @@ struct dma_buf {
__poll_t active;
} cb_excl, cb_shared;
+#ifdef CONFIG_DMABUF_SYSFS_STATS
+ /* for sysfs stats */
+ struct dma_buf_sysfs_entry {
+ struct kobject kobj;
+ struct dma_buf *dmabuf;
+ } *sysfs_entry;
+#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
@@ -376,6 +477,8 @@ struct dma_buf_attach_ops {
* @importer_ops: importer operations for this attachment, if provided
* dma_buf_map/unmap_attachment() must be called with the dma_resv lock held.
* @importer_priv: importer specific attachment data.
+ * @dma_map_attrs: DMA attributes to be used when the exporter maps the buffer
+ * through dma_buf_map_attachment.
*
* This structure holds the attachment information between the dma_buf buffer
* and its user device(s). The list contains one attachment struct per device
@@ -396,6 +499,10 @@ struct dma_buf_attachment {
const struct dma_buf_attach_ops *importer_ops;
void *importer_priv;
void *priv;
+ unsigned long dma_map_attrs;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
@@ -419,6 +526,9 @@ struct dma_buf_export_info {
int flags;
struct dma_resv *resv;
void *priv;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
@@ -473,6 +583,9 @@ dma_buf_attachment_is_dynamic(struct dma_buf_attachment *attach)
return !!attach->importer_ops;
}
+int get_each_dmabuf(int (*callback)(const struct dma_buf *dmabuf,
+ void *private), void *private);
+int is_dma_buf_file(struct file *file);
struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
struct device *dev);
struct dma_buf_attachment *
@@ -497,11 +610,21 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment *, struct sg_table *,
void dma_buf_move_notify(struct dma_buf *dma_buf);
int dma_buf_begin_cpu_access(struct dma_buf *dma_buf,
enum dma_data_direction dir);
+int dma_buf_begin_cpu_access_partial(struct dma_buf *dma_buf,
+ enum dma_data_direction dir,
+ unsigned int offset, unsigned int len);
int dma_buf_end_cpu_access(struct dma_buf *dma_buf,
enum dma_data_direction dir);
+int dma_buf_end_cpu_access_partial(struct dma_buf *dma_buf,
+ enum dma_data_direction dir,
+ unsigned int offset, unsigned int len);
int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *,
unsigned long);
void *dma_buf_vmap(struct dma_buf *);
void dma_buf_vunmap(struct dma_buf *, void *vaddr);
+long dma_buf_set_name(struct dma_buf *dmabuf, const char *name);
+int dma_buf_get_flags(struct dma_buf *dmabuf, unsigned long *flags);
+int dma_buf_get_uuid(struct dma_buf *dmabuf, uuid_t *uuid);
+
#endif /* __DMA_BUF_H__ */
diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h
index 18aade1..ed69618 100644
--- a/include/linux/dma-direct.h
+++ b/include/linux/dma-direct.h
@@ -24,6 +24,28 @@ struct bus_dma_region {
u64 offset;
};
+static inline bool zone_dma32_is_empty(int node)
+{
+#ifdef CONFIG_ZONE_DMA32
+ pg_data_t *pgdat = NODE_DATA(node);
+
+ return zone_is_empty(&pgdat->node_zones[ZONE_DMA32]);
+#else
+ return true;
+#endif
+}
+
+static inline bool zone_dma32_are_empty(void)
+{
+ int node;
+
+ for_each_node(node)
+ if (!zone_dma32_is_empty(node))
+ return false;
+
+ return true;
+}
+
static inline dma_addr_t translate_phys_to_dma(struct device *dev,
phys_addr_t paddr)
{
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 09e23ad..9f12efa 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -372,6 +372,9 @@ static inline void __dma_fence_might_wait(void) {}
int dma_fence_signal(struct dma_fence *fence);
int dma_fence_signal_locked(struct dma_fence *fence);
+int dma_fence_signal_timestamp(struct dma_fence *fence, ktime_t timestamp);
+int dma_fence_signal_timestamp_locked(struct dma_fence *fence,
+ ktime_t timestamp);
signed long dma_fence_default_wait(struct dma_fence *fence,
bool intr, signed long timeout);
int dma_fence_add_callback(struct dma_fence *fence,
diff --git a/include/linux/dma-heap.h b/include/linux/dma-heap.h
index 454e354..e8f0e92 100644
--- a/include/linux/dma-heap.h
+++ b/include/linux/dma-heap.h
@@ -16,15 +16,17 @@ struct dma_heap;
/**
* struct dma_heap_ops - ops to operate on a given heap
- * @allocate: allocate dmabuf and return fd
+ * @allocate: allocate dmabuf and return struct dma_buf ptr
+ * @get_pool_size: if heap maintains memory pools, get pool size in bytes
*
- * allocate returns dmabuf fd on success, -errno on error.
+ * allocate returns dmabuf on success, ERR_PTR(-errno) on error.
*/
struct dma_heap_ops {
- int (*allocate)(struct dma_heap *heap,
+ struct dma_buf *(*allocate)(struct dma_heap *heap,
unsigned long len,
unsigned long fd_flags,
unsigned long heap_flags);
+ long (*get_pool_size)(struct dma_heap *heap);
};
/**
@@ -51,9 +53,72 @@ struct dma_heap_export_info {
void *dma_heap_get_drvdata(struct dma_heap *heap);
/**
+ * dma_heap_get_dev() - get device struct for the heap
+ * @heap: DMA-Heap to retrieve device struct from
+ *
+ * Returns:
+ * The device struct for the heap.
+ */
+struct device *dma_heap_get_dev(struct dma_heap *heap);
+
+/**
+ * dma_heap_get_name() - get heap name
+ * @heap: DMA-Heap to retrieve private data for
+ *
+ * Returns:
+ * The char* for the heap name.
+ */
+const char *dma_heap_get_name(struct dma_heap *heap);
+
+/**
* dma_heap_add - adds a heap to dmabuf heaps
* @exp_info: information needed to register this heap
*/
struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info);
+/**
+ * dma_heap_put - drops a reference to a dmabuf heaps, potentially freeing it
+ * @heap: heap pointer
+ */
+void dma_heap_put(struct dma_heap *heap);
+
+/**
+ * dma_heap_find - Returns the registered dma_heap with the specified name
+ * @name: Name of the heap to find
+ *
+ * NOTE: dma_heaps returned from this function MUST be released
+ * using dma_heap_put() when the user is done.
+ */
+struct dma_heap *dma_heap_find(const char *name);
+
+/**
+ * dma_heap_buffer_alloc - Allocate dma-buf from a dma_heap
+ * @heap: dma_heap to allocate from
+ * @len: size to allocate
+ * @fd_flags: flags to set on returned dma-buf fd
+ * @heap_flags: flags to pass to the dma heap
+ *
+ * This is for internal dma-buf allocations only.
+ */
+struct dma_buf *dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,
+ unsigned int fd_flags,
+ unsigned int heap_flags);
+
+/** dma_heap_buffer_free - Free dma_buf allocated by dma_heap_buffer_alloc
+ * @dma_buf: dma_buf to free
+ *
+ * This is really only a simple wrapper to dma_buf_put()
+ */
+void dma_heap_buffer_free(struct dma_buf *);
+
+/**
+ * dma_heap_bufferfd_alloc - Allocate dma-buf fd from a dma_heap
+ * @heap: dma_heap to allocate from
+ * @len: size to allocate
+ * @fd_flags: flags to set on returned dma-buf fd
+ * @heap_flags: flags to pass to the dma heap
+ */
+int dma_heap_bufferfd_alloc(struct dma_heap *heap, size_t len,
+ unsigned int fd_flags,
+ unsigned int heap_flags);
#endif /* _DMA_HEAPS_H */
diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index 2112f21..f51561e 100644
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -37,6 +37,11 @@ void iommu_dma_compose_msi_msg(struct msi_desc *desc,
void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
+int iommu_dma_reserve_iova(struct device *dev, dma_addr_t base,
+ u64 size);
+
+int iommu_dma_enable_best_fit_algo(struct device *dev);
+
#else /* CONFIG_IOMMU_DMA */
struct iommu_domain;
@@ -78,5 +83,16 @@ static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_he
{
}
+static inline int iommu_dma_reserve_iova(struct device *dev, dma_addr_t base,
+ u64 size)
+{
+ return -ENODEV;
+}
+
+static inline int iommu_dma_enable_best_fit_algo(struct device *dev)
+{
+ return -ENODEV;
+}
+
#endif /* CONFIG_IOMMU_DMA */
#endif /* __DMA_IOMMU_H */
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index a5f89fc..84c14db 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -8,6 +8,7 @@
#include <linux/dma-mapping.h>
#include <linux/pgtable.h>
+#include <linux/android_kabi.h>
struct cma;
@@ -69,6 +70,11 @@ struct dma_map_ops {
u64 (*get_required_mask)(struct device *dev);
size_t (*max_mapping_size)(struct device *dev);
unsigned long (*get_merge_boundary)(struct device *dev);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#ifdef CONFIG_DMA_OPS
@@ -258,6 +264,14 @@ void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
#define pgprot_dmacoherent(prot) pgprot_noncached(prot)
#endif
+/*
+ * If there is no system cache pgprot, then fallback to dmacoherent
+ * pgprot, as the expectation is that the device is not coherent.
+ */
+#ifndef pgprot_syscached
+#define pgprot_syscached(prot) pgprot_dmacoherent(prot)
+#endif
+
pgprot_t dma_pgprot(struct device *dev, pgprot_t prot, unsigned long attrs);
#else
static inline pgprot_t dma_pgprot(struct device *dev, pgprot_t prot,
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index a7d70cde..7270f12 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -62,6 +62,23 @@
#define DMA_ATTR_PRIVILEGED (1UL << 9)
/*
+ * DMA_ATTR_SYS_CACHE_ONLY: used to indicate that the buffer should be mapped
+ * with the correct memory attributes so that it can be cached in the system
+ * or last level cache. This is useful for buffers that are being mapped for
+ * devices that are non-coherent, but can use the system cache.
+ */
+#define DMA_ATTR_SYS_CACHE_ONLY (1UL << 10)
+
+/*
+ * DMA_ATTR_SYS_CACHE_ONLY_NWA: used to indicate that the buffer should be
+ * mapped with the correct memory attributes so that it can be cached in the
+ * system or last level cache, with a no write allocate cache policy. This is
+ * useful for buffers that are being mapped for devices that are non-coherent,
+ * but can use the system cache.
+ */
+#define DMA_ATTR_SYS_CACHE_ONLY_NWA (1UL << 11)
+
+/*
* A dma_addr_t can hold any valid DMA or bus address for the platform. It can
* be given to a device to use as a DMA source or target. It is specific to a
* given device and there may be a translation between the CPU physical address
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index dd357a7..3f8dcaa 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -12,6 +12,7 @@
#include <linux/scatterlist.h>
#include <linux/bitmap.h>
#include <linux/types.h>
+#include <linux/android_kabi.h>
#include <asm/page.h>
/**
@@ -418,6 +419,9 @@ enum dma_slave_buswidth {
* @slave_id: Slave requester id. Only valid for slave channels. The dma
* slave peripheral will have unique id as dma requester which need to be
* pass as slave config.
+ * @peripheral_config: peripheral configuration for programming peripheral
+ * for dmaengine transfer
+ * @peripheral_size: peripheral configuration buffer size
*
* This struct is passed in as configuration data to a DMA engine
* in order to set up a certain channel for DMA transport at runtime.
@@ -443,6 +447,8 @@ struct dma_slave_config {
u32 dst_port_window_size;
bool device_fc;
unsigned int slave_id;
+ void *peripheral_config;
+ size_t peripheral_size;
};
/**
@@ -936,6 +942,11 @@ struct dma_device {
void (*dbg_summary_show)(struct seq_file *s, struct dma_device *dev);
struct dentry *dbg_dev_root;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
static inline int dmaengine_slave_config(struct dma_chan *chan,
diff --git a/include/linux/dtpm.h b/include/linux/dtpm.h
new file mode 100644
index 0000000..e80a332
--- /dev/null
+++ b/include/linux/dtpm.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Linaro Ltd
+ *
+ * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
+ */
+#ifndef ___DTPM_H__
+#define ___DTPM_H__
+
+#include <linux/powercap.h>
+
+#define MAX_DTPM_DESCR 8
+#define MAX_DTPM_CONSTRAINTS 1
+
+struct dtpm {
+ struct powercap_zone zone;
+ struct dtpm *parent;
+ struct list_head sibling;
+ struct list_head children;
+ struct dtpm_ops *ops;
+ unsigned long flags;
+ u64 power_limit;
+ u64 power_max;
+ u64 power_min;
+ int weight;
+ void *private;
+};
+
+struct dtpm_ops {
+ u64 (*set_power_uw)(struct dtpm *, u64);
+ u64 (*get_power_uw)(struct dtpm *);
+ void (*release)(struct dtpm *);
+};
+
+struct dtpm_descr;
+
+typedef int (*dtpm_init_t)(struct dtpm_descr *);
+
+struct dtpm_descr {
+ struct dtpm *parent;
+ const char *name;
+ dtpm_init_t init;
+};
+
+/* Init section thermal table */
+extern struct dtpm_descr *__dtpm_table[];
+extern struct dtpm_descr *__dtpm_table_end[];
+
+#define DTPM_TABLE_ENTRY(name) \
+ static typeof(name) *__dtpm_table_entry_##name \
+ __used __section("__dtpm_table") = &name
+
+#define DTPM_DECLARE(name) DTPM_TABLE_ENTRY(name)
+
+#define for_each_dtpm_table(__dtpm) \
+ for (__dtpm = __dtpm_table; \
+ __dtpm < __dtpm_table_end; \
+ __dtpm++)
+
+static inline struct dtpm *to_dtpm(struct powercap_zone *zone)
+{
+ return container_of(zone, struct dtpm, zone);
+}
+
+int dtpm_update_power(struct dtpm *dtpm, u64 power_min, u64 power_max);
+
+int dtpm_release_zone(struct powercap_zone *pcz);
+
+struct dtpm *dtpm_alloc(struct dtpm_ops *ops);
+
+void dtpm_unregister(struct dtpm *dtpm);
+
+int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent);
+
+int dtpm_register_cpu(struct dtpm *parent);
+
+#endif
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index bc26b4e..0c75ed0 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -4,6 +4,7 @@
#include <linux/percpu.h>
#include <linux/hashtable.h>
+#include <linux/android_kabi.h>
#ifdef CONFIG_BLOCK
@@ -50,6 +51,11 @@ struct elevator_mq_ops {
struct request *(*next_request)(struct request_queue *, struct request *);
void (*init_icq)(struct io_cq *);
void (*exit_icq)(struct io_cq *);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define ELV_NAME_MAX (16)
@@ -86,6 +92,9 @@ struct elevator_type
/* managed by elevator core */
char icq_cache_name[ELV_NAME_MAX + 6]; /* elvname + "_io_cq" */
struct list_head list;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define ELV_HASH_BITS 6
@@ -172,6 +181,8 @@ extern struct request *elv_rb_find(struct rb_root *, sector_t);
/* Supports zoned block devices sequential write constraint */
#define ELEVATOR_F_ZBD_SEQ_WRITE (1U << 0)
+/* Supports scheduling on multiple hardware queues */
+#define ELEVATOR_F_MQ_AWARE (1U << 1)
#endif /* CONFIG_BLOCK */
#endif
diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
index 5f04a2b..9ca1ea0 100644
--- a/include/linux/energy_model.h
+++ b/include/linux/energy_model.h
@@ -29,6 +29,8 @@ struct em_perf_state {
* em_perf_domain - Performance domain
* @table: List of performance states, in ascending order
* @nr_perf_states: Number of performance states
+ * @milliwatts: Flag indicating the power values are in milli-Watts
+ * or some other scale.
* @cpus: Cpumask covering the CPUs of the domain. It's here
* for performance reasons to avoid potential cache
* misses during energy calculations in the scheduler
@@ -43,6 +45,7 @@ struct em_perf_state {
struct em_perf_domain {
struct em_perf_state *table;
int nr_perf_states;
+ int milliwatts;
unsigned long cpus[];
};
@@ -95,7 +98,8 @@ struct em_data_callback {
struct em_perf_domain *em_cpu_get(int cpu);
struct em_perf_domain *em_pd_get(struct device *dev);
int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
- struct em_data_callback *cb, cpumask_t *span);
+ struct em_data_callback *cb, cpumask_t *span,
+ bool milliwatts);
void em_dev_unregister_perf_domain(struct device *dev);
/**
@@ -119,6 +123,9 @@ static inline unsigned long em_cpu_energy(struct em_perf_domain *pd,
struct em_perf_state *ps;
int i, cpu;
+ if (!sum_util)
+ return 0;
+
/*
* In order to predict the performance state, map the utilization of
* the most utilized CPU of the performance domain to a requested
@@ -202,7 +209,8 @@ struct em_data_callback {};
static inline
int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
- struct em_data_callback *cb, cpumask_t *span)
+ struct em_data_callback *cb, cpumask_t *span,
+ bool milliwatts)
{
return -EINVAL;
}
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index b98291d3..c302c5a 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -15,6 +15,7 @@
#include <linux/bitmap.h>
#include <linux/compat.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/ethtool.h>
struct compat_ethtool_rx_flow_spec {
@@ -505,6 +506,11 @@ struct ethtool_ops {
const struct ethtool_tunable *, void *);
int (*set_phy_tunable)(struct net_device *,
const struct ethtool_tunable *, const void *);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
int ethtool_check_ops(const struct ethtool_ops *ops);
diff --git a/include/linux/export.h b/include/linux/export.h
index fceb5e8..8889809 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -63,12 +63,39 @@ struct kernel_symbol {
int namespace_offset;
};
#else
+#ifdef CONFIG_CFI_CLANG
+#include <linux/compiler.h>
+/*
+ * With -fno-sanitize-cfi-canonical-jump-tables, the compiler replaces
+ * references to functions with jump table addresses. Use inline assembly
+ * to emit ksymtab entries that point to the actual function instead.
+ */
+#define ___KSYMTAB_ENTRY(sym, sec, size) \
+ __ADDRESSABLE(sym) \
+ asm(" .section \"___ksymtab" sec "+" #sym "\", \"a\" \n" \
+ " .balign " #size " \n" \
+ "__ksymtab_" #sym ": \n" \
+ " ." #size "byte " #sym " \n" \
+ " ." #size "byte __kstrtab_" #sym " \n" \
+ " ." #size "byte __kstrtabns_" #sym " \n" \
+ " .previous \n")
+
+#ifdef CONFIG_64BIT
+#define __KSYMTAB_ENTRY(sym, sec) ___KSYMTAB_ENTRY(sym, sec, 8)
+#else
+#define __KSYMTAB_ENTRY(sym, sec) ___KSYMTAB_ENTRY(sym, sec, 4)
+#endif
+
+#else /* !CONFIG_CFI_CLANG */
+
#define __KSYMTAB_ENTRY(sym, sec) \
static const struct kernel_symbol __ksymtab_##sym \
__attribute__((section("___ksymtab" sec "+" #sym), used)) \
__aligned(sizeof(void *)) \
= { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym }
+#endif
+
struct kernel_symbol {
unsigned long value;
const char *name;
@@ -118,7 +145,7 @@ struct kernel_symbol {
*/
#define __EXPORT_SYMBOL(sym, sec, ns)
-#elif defined(CONFIG_TRIM_UNUSED_KSYMS)
+#elif defined(CONFIG_TRIM_UNUSED_KSYMS) && !defined(MODULE)
#include <generated/autoksyms.h>
@@ -140,7 +167,12 @@ struct kernel_symbol {
#define ___cond_export_sym(sym, sec, ns, enabled) \
__cond_export_sym_##enabled(sym, sec, ns)
#define __cond_export_sym_1(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns)
+
+#ifdef __GENKSYMS__
+#define __cond_export_sym_0(sym, sec, ns) __GENKSYMS_EXPORT_SYMBOL(sym)
+#else
#define __cond_export_sym_0(sym, sec, ns) /* nothing */
+#endif
#else
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index a5dbb57..d445150 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -34,6 +34,7 @@
#define F2FS_ROOT_INO(sbi) ((sbi)->root_ino_num)
#define F2FS_NODE_INO(sbi) ((sbi)->node_ino_num)
#define F2FS_META_INO(sbi) ((sbi)->meta_ino_num)
+#define F2FS_COMPRESS_INO(sbi) (NM_I(sbi)->max_nid)
#define F2FS_MAX_QUOTAS 3
@@ -168,7 +169,7 @@ struct f2fs_checkpoint {
unsigned char alloc_type[MAX_ACTIVE_LOGS];
/* SIT and NAT version bitmap */
- unsigned char sit_nat_version_bitmap[1];
+ unsigned char sit_nat_version_bitmap[];
} __packed;
#define CP_CHKSUM_OFFSET 4092 /* default chksum offset in checkpoint */
@@ -229,6 +230,7 @@ struct f2fs_extent {
#define F2FS_INLINE_DOTS 0x10 /* file having implicit dot dentries */
#define F2FS_EXTRA_ATTR 0x20 /* file having extra attribute */
#define F2FS_PIN_FILE 0x40 /* file should not be gced */
+#define F2FS_COMPRESS_RELEASED 0x80 /* file released compressed blocks */
struct f2fs_inode {
__le16 i_mode; /* file mode */
@@ -273,7 +275,10 @@ struct f2fs_inode {
__le64 i_compr_blocks; /* # of compressed blocks */
__u8 i_compress_algorithm; /* compress algorithm */
__u8 i_log_cluster_size; /* log of cluster size */
- __le16 i_padding; /* padding */
+ __le16 i_compress_flag; /* compress flag */
+ /* 0 bit: chksum flag
+ * [10,15] bits: compress level
+ */
__le32 i_extra_end[0]; /* for attribute size calculation */
} __packed;
__le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */
diff --git a/include/linux/fips.h b/include/linux/fips.h
index c6961e9..83f5d6f 100644
--- a/include/linux/fips.h
+++ b/include/linux/fips.h
@@ -2,7 +2,15 @@
#ifndef _FIPS_H
#define _FIPS_H
-#ifdef CONFIG_CRYPTO_FIPS
+#ifdef BUILD_FIPS140_KO
+/*
+ * In fips140.ko, enable the behavior that the upstream fips_enabled flag
+ * controls, such as the XTS weak key check.
+ */
+#define fips_enabled 1
+#define CONFIG_CRYPTO_FIPS 1
+
+#elif defined(CONFIG_CRYPTO_FIPS)
extern int fips_enabled;
extern struct atomic_notifier_head fips_fail_notif_chain;
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 2782814..f753c30 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -27,6 +27,11 @@ static inline bool frozen(struct task_struct *p)
return p->flags & PF_FROZEN;
}
+static inline bool frozen_or_skipped(struct task_struct *p)
+{
+ return p->flags & (PF_FROZEN | PF_FREEZER_SKIP);
+}
+
extern bool freezing_slow_path(struct task_struct *p);
/*
@@ -270,6 +275,7 @@ static inline int freezable_schedule_hrtimeout_range(ktime_t *expires,
#else /* !CONFIG_FREEZER */
static inline bool frozen(struct task_struct *p) { return false; }
+static inline bool frozen_or_skipped(struct task_struct *p) { return false; }
static inline bool freezing(struct task_struct *p) { return false; }
static inline void __thaw_task(struct task_struct *t) {}
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 42d246a..bee53f0 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -39,9 +39,11 @@
#include <linux/fs_types.h>
#include <linux/build_bug.h>
#include <linux/stddef.h>
+#include <linux/android_kabi.h>
#include <asm/byteorder.h>
#include <uapi/linux/fs.h>
+#include <linux/android_vendor.h>
struct backing_dev_info;
struct bdi_writeback;
@@ -413,6 +415,11 @@ struct address_space_operations {
int (*swap_activate)(struct swap_info_struct *sis, struct file *file,
sector_t *span);
void (*swap_deactivate)(struct file *file);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
extern const struct address_space_operations empty_aops;
@@ -468,6 +475,11 @@ struct address_space {
spinlock_t private_lock;
struct list_head private_list;
void *private_data;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __attribute__((aligned(sizeof(long)))) __randomize_layout;
/*
* On most architectures that alignment is already the case; but
@@ -718,6 +730,9 @@ struct inode {
#endif
void *i_private; /* fs or device private pointer */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
} __randomize_layout;
struct timespec64 timestamp_truncate(struct timespec64 t, struct inode *inode);
@@ -952,6 +967,10 @@ struct file {
struct address_space *f_mapping;
errseq_t f_wb_err;
errseq_t f_sb_err; /* for syncfs */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_OEM_DATA(1);
} __randomize_layout
__attribute__((aligned(4))); /* lest something weird decides that 2 is OK */
@@ -1011,6 +1030,9 @@ struct file_lock;
struct file_lock_operations {
void (*fl_copy_lock)(struct file_lock *, struct file_lock *);
void (*fl_release_private)(struct file_lock *);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct lock_manager_operations {
@@ -1022,6 +1044,9 @@ struct lock_manager_operations {
int (*lm_change)(struct file_lock *, int, struct list_head *);
void (*lm_setup)(struct file_lock *, void **);
bool (*lm_breaker_owns_lease)(struct file_lock *);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct lock_manager {
@@ -1095,6 +1120,10 @@ struct file_lock {
unsigned int debug_id;
} afs;
} fl_u;
+
+ struct list_head android_reserved1; /* not a macro as we might just need it as-is */
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
} __randomize_layout;
struct file_lock_context {
@@ -1547,6 +1576,11 @@ struct super_block {
spinlock_t s_inode_wblist_lock;
struct list_head s_inodes_wb; /* writeback inodes */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
/* Helper functions so that in most cases filesystems will
@@ -1859,6 +1893,11 @@ struct file_operations {
struct file *file_out, loff_t pos_out,
loff_t len, unsigned int remap_flags);
int (*fadvise)(struct file *, loff_t, loff_t, int);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
struct inode_operations {
@@ -1889,6 +1928,11 @@ struct inode_operations {
umode_t create_mode);
int (*tmpfile) (struct inode *, struct dentry *, umode_t);
int (*set_acl)(struct inode *, struct posix_acl *, int);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} ____cacheline_aligned;
static inline ssize_t call_read_iter(struct file *file, struct kiocb *kio,
@@ -1965,6 +2009,11 @@ struct super_operations {
struct shrink_control *);
long (*free_cached_objects)(struct super_block *,
struct shrink_control *);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/*
@@ -2254,6 +2303,11 @@ struct file_system_type {
struct lock_class_key i_lock_key;
struct lock_class_key i_mutex_key;
struct lock_class_key i_mutex_dir_key;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME)
@@ -2530,6 +2584,7 @@ extern long do_sys_open(int dfd, const char __user *filename, int flags,
umode_t mode);
extern struct file *file_open_name(struct filename *, int, umode_t);
extern struct file *filp_open(const char *, int, umode_t);
+extern struct file *filp_open_block(const char *, int, umode_t);
extern struct file *file_open_root(struct dentry *, struct vfsmount *,
const char *, int, umode_t);
extern struct file * dentry_open(const struct path *, int, const struct cred *);
@@ -3203,11 +3258,7 @@ extern int generic_file_fsync(struct file *, loff_t, loff_t, int);
extern int generic_check_addressable(unsigned, u64);
-#ifdef CONFIG_UNICODE
-extern int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str);
-extern int generic_ci_d_compare(const struct dentry *dentry, unsigned int len,
- const char *str, const struct qstr *name);
-#endif
+extern void generic_set_encrypted_ci_d_ops(struct dentry *dentry);
#ifdef CONFIG_MIGRATION
extern int buffer_migrate_page(struct address_space *,
@@ -3285,6 +3336,11 @@ static inline int kiocb_set_rw_flags(struct kiocb *ki, rwf_t flags)
return 0;
}
+static inline rwf_t iocb_to_rw_flags(int ifl, int iocb_mask)
+{
+ return ifl & iocb_mask;
+}
+
static inline ino_t parent_ino(struct dentry *dentry)
{
ino_t res;
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index d0a1b8e..219f28b 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -70,12 +70,19 @@ struct fscrypt_operations {
int (*get_num_devices)(struct super_block *sb);
void (*get_devices)(struct super_block *sb,
struct request_queue **devs);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
+ ANDROID_OEM_DATA_ARRAY(1, 4);
};
static inline struct fscrypt_info *fscrypt_get_info(const struct inode *inode)
{
/*
- * Pairs with the cmpxchg_release() in fscrypt_get_encryption_info().
+ * Pairs with the cmpxchg_release() in fscrypt_setup_encryption_info().
* I.e., another task may publish ->i_crypt_info concurrently, executing
* a RELEASE barrier. We need to use smp_load_acquire() here to safely
* ACQUIRE the memory the other task published.
@@ -200,7 +207,6 @@ int fscrypt_ioctl_remove_key_all_users(struct file *filp, void __user *arg);
int fscrypt_ioctl_get_key_status(struct file *filp, void __user *arg);
/* keysetup.c */
-int fscrypt_get_encryption_info(struct inode *inode);
int fscrypt_prepare_new_inode(struct inode *dir, struct inode *inode,
bool *encrypt_ret);
void fscrypt_put_encryption_info(struct inode *inode);
@@ -242,6 +248,8 @@ int __fscrypt_prepare_rename(struct inode *old_dir, struct dentry *old_dentry,
unsigned int flags);
int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry,
struct fscrypt_name *fname);
+int __fscrypt_prepare_readdir(struct inode *dir);
+int __fscrypt_prepare_setattr(struct dentry *dentry, struct iattr *attr);
int fscrypt_prepare_setflags(struct inode *inode,
unsigned int oldflags, unsigned int flags);
int fscrypt_prepare_symlink(struct inode *dir, const char *target,
@@ -407,10 +415,6 @@ static inline int fscrypt_ioctl_get_key_status(struct file *filp,
}
/* keysetup.c */
-static inline int fscrypt_get_encryption_info(struct inode *inode)
-{
- return -EOPNOTSUPP;
-}
static inline int fscrypt_prepare_new_inode(struct inode *dir,
struct inode *inode,
@@ -538,6 +542,17 @@ static inline int __fscrypt_prepare_lookup(struct inode *dir,
return -EOPNOTSUPP;
}
+static inline int __fscrypt_prepare_readdir(struct inode *dir)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int __fscrypt_prepare_setattr(struct dentry *dentry,
+ struct iattr *attr)
+{
+ return -EOPNOTSUPP;
+}
+
static inline int fscrypt_prepare_setflags(struct inode *inode,
unsigned int oldflags,
unsigned int flags)
@@ -608,6 +623,10 @@ bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
bool fscrypt_mergeable_bio_bh(struct bio *bio,
const struct buffer_head *next_bh);
+bool fscrypt_dio_supported(struct kiocb *iocb, struct iov_iter *iter);
+
+u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks);
+
#else /* CONFIG_FS_ENCRYPTION_INLINE_CRYPT */
static inline bool __fscrypt_inode_uses_inline_crypto(const struct inode *inode)
@@ -636,8 +655,36 @@ static inline bool fscrypt_mergeable_bio_bh(struct bio *bio,
{
return true;
}
+
+static inline bool fscrypt_dio_supported(struct kiocb *iocb,
+ struct iov_iter *iter)
+{
+ const struct inode *inode = file_inode(iocb->ki_filp);
+
+ return !fscrypt_needs_contents_encryption(inode);
+}
+
+static inline u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk,
+ u64 nr_blocks)
+{
+ return nr_blocks;
+}
#endif /* !CONFIG_FS_ENCRYPTION_INLINE_CRYPT */
+#if IS_ENABLED(CONFIG_FS_ENCRYPTION) && IS_ENABLED(CONFIG_DM_DEFAULT_KEY)
+static inline bool
+fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)
+{
+ return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
+}
+#else
+static inline bool
+fscrypt_inode_should_skip_dm_default_key(const struct inode *inode)
+{
+ return false;
+}
+#endif
+
/**
* fscrypt_inode_uses_inline_crypto() - test whether an inode uses inline
* encryption
@@ -683,32 +730,6 @@ static inline bool fscrypt_has_encryption_key(const struct inode *inode)
}
/**
- * fscrypt_require_key() - require an inode's encryption key
- * @inode: the inode we need the key for
- *
- * If the inode is encrypted, set up its encryption key if not already done.
- * Then require that the key be present and return -ENOKEY otherwise.
- *
- * No locks are needed, and the key will live as long as the struct inode --- so
- * it won't go away from under you.
- *
- * Return: 0 on success, -ENOKEY if the key is missing, or another -errno code
- * if a problem occurred while setting up the encryption key.
- */
-static inline int fscrypt_require_key(struct inode *inode)
-{
- if (IS_ENCRYPTED(inode)) {
- int err = fscrypt_get_encryption_info(inode);
-
- if (err)
- return err;
- if (!fscrypt_has_encryption_key(inode))
- return -ENOKEY;
- }
- return 0;
-}
-
-/**
* fscrypt_prepare_link() - prepare to link an inode into a possibly-encrypted
* directory
* @old_dentry: an existing dentry for the inode being linked
@@ -717,8 +738,7 @@ static inline int fscrypt_require_key(struct inode *inode)
*
* A new link can only be added to an encrypted directory if the directory's
* encryption key is available --- since otherwise we'd have no way to encrypt
- * the filename. Therefore, we first set up the directory's encryption key (if
- * not already done) and return an error if it's unavailable.
+ * the filename.
*
* We also verify that the link will not violate the constraint that all files
* in an encrypted directory tree use the same encryption policy.
@@ -779,11 +799,15 @@ static inline int fscrypt_prepare_rename(struct inode *old_dir,
*
* Prepare for ->lookup() in a directory which may be encrypted by determining
* the name that will actually be used to search the directory on-disk. If the
- * directory's encryption key is available, then the lookup is assumed to be by
- * plaintext name; otherwise, it is assumed to be by no-key name.
+ * directory's encryption policy is supported by this kernel and its encryption
+ * key is available, then the lookup is assumed to be by plaintext name;
+ * otherwise, it is assumed to be by no-key name.
*
- * This also installs a custom ->d_revalidate() method which will invalidate the
- * dentry if it was created without the key and the key is later added.
+ * This will set DCACHE_NOKEY_NAME on the dentry if the lookup is by no-key
+ * name. In this case the filesystem must assign the dentry a dentry_operations
+ * which contains fscrypt_d_revalidate (or contains a d_revalidate method that
+ * calls fscrypt_d_revalidate), so that the dentry will be invalidated if the
+ * directory's encryption key is later added.
*
* Return: 0 on success; -ENOENT if the directory's key is unavailable but the
* filename isn't a valid no-key name, so a negative dentry should be created;
@@ -804,6 +828,26 @@ static inline int fscrypt_prepare_lookup(struct inode *dir,
}
/**
+ * fscrypt_prepare_readdir() - prepare to read a possibly-encrypted directory
+ * @dir: the directory inode
+ *
+ * If the directory is encrypted and it doesn't already have its encryption key
+ * set up, try to set it up so that the filenames will be listed in plaintext
+ * form rather than in no-key form.
+ *
+ * Return: 0 on success; -errno on error. Note that the encryption key being
+ * unavailable is not considered an error. It is also not an error if
+ * the encryption policy is unsupported by this kernel; that is treated
+ * like the key being unavailable, so that files can still be deleted.
+ */
+static inline int fscrypt_prepare_readdir(struct inode *dir)
+{
+ if (IS_ENCRYPTED(dir))
+ return __fscrypt_prepare_readdir(dir);
+ return 0;
+}
+
+/**
* fscrypt_prepare_setattr() - prepare to change a possibly-encrypted inode's
* attributes
* @dentry: dentry through which the inode is being changed
@@ -824,8 +868,8 @@ static inline int fscrypt_prepare_lookup(struct inode *dir,
static inline int fscrypt_prepare_setattr(struct dentry *dentry,
struct iattr *attr)
{
- if (attr->ia_valid & ATTR_SIZE)
- return fscrypt_require_key(d_inode(dentry));
+ if (IS_ENCRYPTED(d_inode(dentry)))
+ return __fscrypt_prepare_setattr(dentry, attr);
return 0;
}
diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h
index c1144a4..19c118e 100644
--- a/include/linux/fsverity.h
+++ b/include/linux/fsverity.h
@@ -138,6 +138,10 @@ int fsverity_file_open(struct inode *inode, struct file *filp);
int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr);
void fsverity_cleanup_inode(struct inode *inode);
+/* read_metadata.c */
+
+int fsverity_ioctl_read_metadata(struct file *filp, const void __user *uarg);
+
/* verify.c */
bool fsverity_verify_page(struct page *page);
@@ -183,6 +187,14 @@ static inline void fsverity_cleanup_inode(struct inode *inode)
{
}
+/* read_metadata.c */
+
+static inline int fsverity_ioctl_read_metadata(struct file *filp,
+ const void __user *uarg)
+{
+ return -EOPNOTSUPP;
+}
+
/* verify.c */
static inline bool fsverity_verify_page(struct page *page)
@@ -221,4 +233,18 @@ static inline bool fsverity_active(const struct inode *inode)
return fsverity_get_info(inode) != NULL;
}
+#ifdef CONFIG_FS_VERITY_BUILTIN_SIGNATURES
+int __fsverity_verify_signature(const struct inode *inode, const u8 *signature,
+ size_t sig_size, const u8 *file_digest,
+ unsigned int digest_algorithm);
+#else /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */
+static inline int __fsverity_verify_signature(const struct inode *inode,
+ const u8 *signature, size_t sig_size,
+ const u8 *file_digest,
+ unsigned int digest_algorithm)
+{
+ return 0;
+}
+#endif /* !CONFIG_FS_VERITY_BUILTIN_SIGNATURES */
+
#endif /* _LINUX_FSVERITY_H */
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 9506f8e..8392b8c 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -10,14 +10,42 @@
#define _LINUX_FWNODE_H_
#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/android_kabi.h>
struct fwnode_operations;
struct device;
+/*
+ * fwnode link flags
+ *
+ * LINKS_ADDED: The fwnode has already be parsed to add fwnode links.
+ * NOT_DEVICE: The fwnode will never be populated as a struct device.
+ * INITIALIZED: The hardware corresponding to fwnode has been initialized.
+ */
+#define FWNODE_FLAG_LINKS_ADDED BIT(0)
+#define FWNODE_FLAG_NOT_DEVICE BIT(1)
+#define FWNODE_FLAG_INITIALIZED BIT(2)
+
struct fwnode_handle {
struct fwnode_handle *secondary;
const struct fwnode_operations *ops;
struct device *dev;
+ struct list_head suppliers;
+ struct list_head consumers;
+ u8 flags;
+ ANDROID_KABI_RESERVE(1);
+};
+
+struct fwnode_link {
+ struct fwnode_handle *supplier;
+ struct list_head s_hook;
+ struct fwnode_handle *consumer;
+ struct list_head c_hook;
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
};
/**
@@ -68,44 +96,8 @@ struct fwnode_reference_args {
* endpoint node.
* @graph_get_port_parent: Return the parent node of a port node.
* @graph_parse_endpoint: Parse endpoint for port and endpoint id.
- * @add_links: Called after the device corresponding to the fwnode is added
- * using device_add(). The function is expected to create device
- * links to all the suppliers of the device that are available at
- * the time this function is called. The function must NOT stop
- * at the first failed device link if other unlinked supplier
- * devices are present in the system. This is necessary for the
- * driver/bus sync_state() callbacks to work correctly.
- *
- * For example, say Device-C depends on suppliers Device-S1 and
- * Device-S2 and the dependency is listed in that order in the
- * firmware. Say, S1 gets populated from the firmware after
- * late_initcall_sync(). Say S2 is populated and probed way
- * before that in device_initcall(). When C is populated, if this
- * add_links() function doesn't continue past a "failed linking to
- * S1" and continue linking C to S2, then S2 will get a
- * sync_state() callback before C is probed. This is because from
- * the perspective of S2, C was never a consumer when its
- * sync_state() evaluation is done. To avoid this, the add_links()
- * function has to go through all available suppliers of the
- * device (that corresponds to this fwnode) and link to them
- * before returning.
- *
- * If some suppliers are not yet available (indicated by an error
- * return value), this function will be called again when other
- * devices are added to allow creating device links to any newly
- * available suppliers.
- *
- * Return 0 if device links have been successfully created to all
- * the known suppliers of this device or if the supplier
- * information is not known.
- *
- * Return -ENODEV if the suppliers needed for probing this device
- * have not been registered yet (because device links can only be
- * created to devices registered with the driver core).
- *
- * Return -EAGAIN if some of the suppliers of this device have not
- * been registered yet, but none of those suppliers are necessary
- * for probing the device.
+ * @add_links: Create fwnode links to all the suppliers of the fwnode. Return
+ * zero on success, a negative error code otherwise.
*/
struct fwnode_operations {
struct fwnode_handle *(*get)(struct fwnode_handle *fwnode);
@@ -145,8 +137,7 @@ struct fwnode_operations {
(*graph_get_port_parent)(struct fwnode_handle *fwnode);
int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode,
struct fwnode_endpoint *endpoint);
- int (*add_links)(const struct fwnode_handle *fwnode,
- struct device *dev);
+ int (*add_links)(struct fwnode_handle *fwnode);
};
#define fwnode_has_op(fwnode, op) \
@@ -170,8 +161,29 @@ struct fwnode_operations {
} while (false)
#define get_dev_from_fwnode(fwnode) get_device((fwnode)->dev)
+static inline void fwnode_init(struct fwnode_handle *fwnode,
+ const struct fwnode_operations *ops)
+{
+ fwnode->ops = ops;
+ INIT_LIST_HEAD(&fwnode->consumers);
+ INIT_LIST_HEAD(&fwnode->suppliers);
+}
+
+static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode,
+ bool initialized)
+{
+ if (IS_ERR_OR_NULL(fwnode))
+ return;
+
+ if (initialized)
+ fwnode->flags |= FWNODE_FLAG_INITIALIZED;
+ else
+ fwnode->flags &= ~FWNODE_FLAG_INITIALIZED;
+}
+
extern u32 fw_devlink_get_flags(void);
-void fw_devlink_pause(void);
-void fw_devlink_resume(void);
+extern bool fw_devlink_is_strict(void);
+int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup);
+void fwnode_links_purge(struct fwnode_handle *fwnode);
#endif
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 03da3f6..8935b1e 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -17,6 +17,7 @@
#include <linux/percpu-refcount.h>
#include <linux/uuid.h>
#include <linux/blk_types.h>
+#include <linux/android_kabi.h>
#include <asm/local.h>
#define dev_to_disk(device) container_of((device), struct gendisk, part0.__dev)
@@ -73,6 +74,11 @@ struct hd_struct {
int make_it_fail;
#endif
struct rcu_work rcu_work;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/**
@@ -162,6 +168,9 @@ struct blk_integrity {
unsigned char tuple_size;
unsigned char interval_exp;
unsigned char tag_size;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct gendisk {
@@ -208,6 +217,12 @@ struct gendisk {
int node_id;
struct badblocks *bb;
struct lockdep_map lockdep_map;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
};
#if IS_REACHABLE(CONFIG_CDROM)
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index c603237..fbed5dd 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -39,11 +39,23 @@ struct vm_area_struct;
#define ___GFP_HARDWALL 0x100000u
#define ___GFP_THISNODE 0x200000u
#define ___GFP_ACCOUNT 0x400000u
+#define ___GFP_ZEROTAGS 0x800000u
+#define ___GFP_SKIP_KASAN_POISON 0x1000000u
+#ifdef CONFIG_CMA
+#define ___GFP_CMA 0x2000000u
+#else
+#define ___GFP_CMA 0
+#endif
#ifdef CONFIG_LOCKDEP
-#define ___GFP_NOLOCKDEP 0x800000u
+#ifdef CONFIG_CMA
+#define ___GFP_NOLOCKDEP 0x4000000u
+#else
+#define ___GFP_NOLOCKDEP 0x2000000u
+#endif
#else
#define ___GFP_NOLOCKDEP 0
#endif
+
/* If the above are modified, __GFP_BITS_SHIFT may need updating */
/*
@@ -57,6 +69,7 @@ struct vm_area_struct;
#define __GFP_HIGHMEM ((__force gfp_t)___GFP_HIGHMEM)
#define __GFP_DMA32 ((__force gfp_t)___GFP_DMA32)
#define __GFP_MOVABLE ((__force gfp_t)___GFP_MOVABLE) /* ZONE_MOVABLE allowed */
+#define __GFP_CMA ((__force gfp_t)___GFP_CMA)
#define GFP_ZONEMASK (__GFP_DMA|__GFP_HIGHMEM|__GFP_DMA32|__GFP_MOVABLE)
/**
@@ -215,16 +228,29 @@ struct vm_area_struct;
* %__GFP_COMP address compound page metadata.
*
* %__GFP_ZERO returns a zeroed page on success.
+ *
+ * %__GFP_ZEROTAGS returns a page with zeroed memory tags on success, if
+ * __GFP_ZERO is set.
+ *
+ * %__GFP_SKIP_KASAN_POISON returns a page which does not need to be poisoned
+ * on deallocation. Typically used for userspace pages. Currently only has an
+ * effect in HW tags mode.
*/
#define __GFP_NOWARN ((__force gfp_t)___GFP_NOWARN)
#define __GFP_COMP ((__force gfp_t)___GFP_COMP)
#define __GFP_ZERO ((__force gfp_t)___GFP_ZERO)
+#define __GFP_ZEROTAGS ((__force gfp_t)___GFP_ZEROTAGS)
+#define __GFP_SKIP_KASAN_POISON ((__force gfp_t)___GFP_SKIP_KASAN_POISON)
/* Disable lockdep for GFP context tracking */
#define __GFP_NOLOCKDEP ((__force gfp_t)___GFP_NOLOCKDEP)
/* Room for N __GFP_FOO bits */
-#define __GFP_BITS_SHIFT (23 + IS_ENABLED(CONFIG_LOCKDEP))
+#ifdef CONFIG_CMA
+#define __GFP_BITS_SHIFT (26 + IS_ENABLED(CONFIG_LOCKDEP))
+#else
+#define __GFP_BITS_SHIFT (25 + IS_ENABLED(CONFIG_LOCKDEP))
+#endif
#define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
/**
@@ -305,7 +331,8 @@ struct vm_area_struct;
#define GFP_DMA __GFP_DMA
#define GFP_DMA32 __GFP_DMA32
#define GFP_HIGHUSER (GFP_USER | __GFP_HIGHMEM)
-#define GFP_HIGHUSER_MOVABLE (GFP_HIGHUSER | __GFP_MOVABLE)
+#define GFP_HIGHUSER_MOVABLE (GFP_HIGHUSER | __GFP_MOVABLE | \
+ __GFP_SKIP_KASAN_POISON)
#define GFP_TRANSHUGE_LIGHT ((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
__GFP_NOMEMALLOC | __GFP_NOWARN) & ~__GFP_RECLAIM)
#define GFP_TRANSHUGE (GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM)
@@ -447,16 +474,7 @@ static inline bool gfpflags_normal_context(const gfp_t gfp_flags)
| 1 << (___GFP_MOVABLE | ___GFP_DMA32 | ___GFP_DMA | ___GFP_HIGHMEM) \
)
-static inline enum zone_type gfp_zone(gfp_t flags)
-{
- enum zone_type z;
- int bit = (__force int) (flags & GFP_ZONEMASK);
-
- z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
- ((1 << GFP_ZONES_SHIFT) - 1);
- VM_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
- return z;
-}
+enum zone_type gfp_zone(gfp_t flags);
/*
* There is only one page-allocator function, and two main namespaces to
@@ -624,9 +642,24 @@ static inline bool pm_suspended_storage(void)
#endif /* CONFIG_PM_SLEEP */
#ifdef CONFIG_CONTIG_ALLOC
+extern unsigned long pfn_max_align_up(unsigned long pfn);
+
+#define ACR_ERR_ISOLATE (1 << 0)
+#define ACR_ERR_MIGRATE (1 << 1)
+#define ACR_ERR_TEST (1 << 2)
+
+struct acr_info {
+ unsigned long nr_mapped;
+ unsigned long nr_migrated;
+ unsigned long nr_reclaimed;
+ unsigned int err;
+ unsigned long failed_pfn;
+};
+
/* The below functions must be run on a range from a single zone. */
extern int alloc_contig_range(unsigned long start, unsigned long end,
- unsigned migratetype, gfp_t gfp_mask);
+ unsigned migratetype, gfp_t gfp_mask,
+ struct acr_info *info);
extern struct page *alloc_contig_pages(unsigned long nr_pages, gfp_t gfp_mask,
int nid, nodemask_t *nodemask);
#endif
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 8e14430..ff3e6e3 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -10,6 +10,7 @@
#include <linux/lockdep.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/android_kabi.h>
struct gpio_desc;
struct of_phandle_args;
@@ -266,6 +267,9 @@ struct gpio_irq_chip {
* Store old irq_chip irq_mask callback
*/
void (*irq_mask)(struct irq_data *data);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
@@ -469,6 +473,9 @@ struct gpio_chip {
int (*of_xlate)(struct gpio_chip *gc,
const struct of_phandle_args *gpiospec, u32 *flags);
#endif /* CONFIG_OF_GPIO */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
extern const char *gpiochip_is_requested(struct gpio_chip *gc,
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 14e6202..220e92c 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -232,28 +232,24 @@ static inline void clear_user_highpage(struct page *page, unsigned long vaddr)
}
#endif
-#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
+#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE
/**
- * __alloc_zeroed_user_highpage - Allocate a zeroed HIGHMEM page for a VMA with caller-specified movable GFP flags
- * @movableflags: The GFP flags related to the pages future ability to move like __GFP_MOVABLE
+ * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move
* @vma: The VMA the page is to be allocated for
* @vaddr: The virtual address the page will be inserted into
*
- * This function will allocate a page for a VMA but the caller is expected
- * to specify via movableflags whether the page will be movable in the
- * future or not
+ * This function will allocate a page for a VMA that the caller knows will
+ * be able to migrate in the future using move_pages() or reclaimed
*
* An architecture may override this function by defining
- * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE and providing their own
+ * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE and providing their own
* implementation.
*/
static inline struct page *
-__alloc_zeroed_user_highpage(gfp_t movableflags,
- struct vm_area_struct *vma,
- unsigned long vaddr)
+alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
+ unsigned long vaddr)
{
- struct page *page = alloc_page_vma(GFP_HIGHUSER | movableflags,
- vma, vaddr);
+ struct page *page = alloc_page_vma(GFP_HIGHUSER_MOVABLE | __GFP_CMA, vma, vaddr);
if (page)
clear_user_highpage(page, vaddr);
@@ -262,21 +258,6 @@ __alloc_zeroed_user_highpage(gfp_t movableflags,
}
#endif
-/**
- * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move
- * @vma: The VMA the page is to be allocated for
- * @vaddr: The virtual address the page will be inserted into
- *
- * This function will allocate a page for a VMA that the caller knows will
- * be able to migrate in the future using move_pages() or reclaimed
- */
-static inline struct page *
-alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma,
- unsigned long vaddr)
-{
- return __alloc_zeroed_user_highpage(__GFP_MOVABLE, vma, vaddr);
-}
-
static inline void clear_highpage(struct page *page)
{
void *kaddr = kmap_atomic(page);
@@ -284,6 +265,14 @@ static inline void clear_highpage(struct page *page)
kunmap_atomic(kaddr);
}
+#ifndef __HAVE_ARCH_TAG_CLEAR_HIGHPAGE
+
+static inline void tag_clear_highpage(struct page *page)
+{
+}
+
+#endif
+
static inline void zero_user_segments(struct page *page,
unsigned start1, unsigned end1,
unsigned start2, unsigned end2)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 7f1b854..9874d37 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -20,6 +20,7 @@
#include <linux/seqlock.h>
#include <linux/timer.h>
#include <linux/timerqueue.h>
+#include <linux/android_kabi.h>
struct hrtimer_clock_base;
struct hrtimer_cpu_base;
@@ -124,6 +125,8 @@ struct hrtimer {
u8 is_rel;
u8 is_soft;
u8 is_hard;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index b9fbb6d..d5407d3 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -11,6 +11,7 @@
#include <linux/kref.h>
#include <linux/pgtable.h>
#include <linux/gfp.h>
+#include <linux/userfaultfd_k.h>
struct ctl_table;
struct user_struct;
@@ -134,11 +135,14 @@ void hugetlb_show_meminfo(void);
unsigned long hugetlb_total_pages(void);
vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long address, unsigned int flags);
+#ifdef CONFIG_USERFAULTFD
int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm, pte_t *dst_pte,
struct vm_area_struct *dst_vma,
unsigned long dst_addr,
unsigned long src_addr,
+ enum mcopy_atomic_mode mode,
struct page **pagep);
+#endif /* CONFIG_USERFAULTFD */
int hugetlb_reserve_pages(struct inode *inode, long from, long to,
struct vm_area_struct *vma,
vm_flags_t vm_flags);
@@ -152,7 +156,8 @@ void hugetlb_fix_reserve_counts(struct inode *inode);
extern struct mutex *hugetlb_fault_mutex_table;
u32 hugetlb_fault_mutex_hash(struct address_space *mapping, pgoff_t idx);
-pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud);
+pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr, pud_t *pud);
struct address_space *hugetlb_page_mapping_lock_write(struct page *hpage);
@@ -161,7 +166,7 @@ extern struct list_head huge_boot_pages;
/* arch callbacks */
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz);
pte_t *huge_pte_offset(struct mm_struct *mm,
unsigned long addr, unsigned long sz);
@@ -187,6 +192,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot);
bool is_hugetlb_entry_migration(pte_t pte);
+void hugetlb_unshare_all_pmds(struct vm_area_struct *vma);
#else /* !CONFIG_HUGETLB_PAGE */
@@ -308,16 +314,19 @@ static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
BUG();
}
+#ifdef CONFIG_USERFAULTFD
static inline int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
pte_t *dst_pte,
struct vm_area_struct *dst_vma,
unsigned long dst_addr,
unsigned long src_addr,
+ enum mcopy_atomic_mode mode,
struct page **pagep)
{
BUG();
return 0;
}
+#endif /* CONFIG_USERFAULTFD */
static inline pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
unsigned long sz)
@@ -368,6 +377,8 @@ static inline vm_fault_t hugetlb_fault(struct mm_struct *mm,
return 0;
}
+static inline void hugetlb_unshare_all_pmds(struct vm_area_struct *vma) { }
+
#endif /* !CONFIG_HUGETLB_PAGE */
/*
* hugepages at page global directory. If arch support
@@ -942,4 +953,14 @@ static inline __init void hugetlb_cma_check(void)
}
#endif
+bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr);
+
+#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
+/*
+ * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
+ * implement this.
+ */
+#define flush_hugetlb_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end)
+#endif
+
#endif /* _LINUX_HUGETLB_H */
diff --git a/include/linux/hugetlb_inline.h b/include/linux/hugetlb_inline.h
index 0660a03..9e25283 100644
--- a/include/linux/hugetlb_inline.h
+++ b/include/linux/hugetlb_inline.h
@@ -8,7 +8,7 @@
static inline bool is_vm_hugetlb_page(struct vm_area_struct *vma)
{
- return !!(vma->vm_flags & VM_HUGETLB);
+ return !!(READ_ONCE(vma->vm_flags) & VM_HUGETLB);
}
#else
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index b68fca0..3515ca6 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -41,7 +41,7 @@ struct in_device {
unsigned long mr_qri; /* Query Response Interval */
unsigned char mr_qrv; /* Query Robustness Variable */
unsigned char mr_gq_running;
- u32 mr_ifc_count;
+ unsigned char mr_ifc_count;
struct timer_list mr_gq_timer; /* general query timer */
struct timer_list mr_ifc_timer; /* interface change timer */
diff --git a/include/linux/init.h b/include/linux/init.h
index 7b53cb3..e83a6cf 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -47,7 +47,7 @@
/* These are for everybody (although not all archs will actually
discard it in modules) */
-#define __init __section(".init.text") __cold __latent_entropy __noinitretpoline
+#define __init __section(".init.text") __cold __latent_entropy __noinitretpoline __nocfi
#define __initdata __section(".init.data")
#define __initconst __section(".init.rodata")
#define __exitdata __section(".exit.data")
@@ -184,19 +184,80 @@ extern bool initcall_debug;
* as KEEP() in the linker script.
*/
+/* Format: <modname>__<counter>_<line>_<fn> */
+#define __initcall_id(fn) \
+ __PASTE(__KBUILD_MODNAME, \
+ __PASTE(__, \
+ __PASTE(__COUNTER__, \
+ __PASTE(_, \
+ __PASTE(__LINE__, \
+ __PASTE(_, fn))))))
+
+/* Format: __<prefix>__<iid><id> */
+#define __initcall_name(prefix, __iid, id) \
+ __PASTE(__, \
+ __PASTE(prefix, \
+ __PASTE(__, \
+ __PASTE(__iid, id))))
+
+#ifdef CONFIG_LTO_CLANG
+/*
+ * With LTO, the compiler doesn't necessarily obey link order for
+ * initcalls. In order to preserve the correct order, we add each
+ * variable into its own section and generate a linker script (in
+ * scripts/link-vmlinux.sh) to specify the order of the sections.
+ */
+#define __initcall_section(__sec, __iid) \
+ #__sec ".init.." #__iid
+
+/*
+ * With LTO, the compiler can rename static functions to avoid
+ * global naming collisions. We use a global stub function for
+ * initcalls to create a stable symbol name whose address can be
+ * taken in inline assembly when PREL32 relocations are used.
+ */
+#define __initcall_stub(fn, __iid, id) \
+ __initcall_name(initstub, __iid, id)
+
+#define __define_initcall_stub(__stub, fn) \
+ int __init __cficanonical __stub(void); \
+ int __init __cficanonical __stub(void) \
+ { \
+ return fn(); \
+ } \
+ __ADDRESSABLE(__stub)
+#else
+#define __initcall_section(__sec, __iid) \
+ #__sec ".init"
+
+#define __initcall_stub(fn, __iid, id) fn
+
+#define __define_initcall_stub(__stub, fn) \
+ __ADDRESSABLE(fn)
+#endif
+
#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
-#define ___define_initcall(fn, id, __sec) \
- __ADDRESSABLE(fn) \
- asm(".section \"" #__sec ".init\", \"a\" \n" \
- "__initcall_" #fn #id ": \n" \
- ".long " #fn " - . \n" \
+#define ____define_initcall(fn, __stub, __name, __sec) \
+ __define_initcall_stub(__stub, fn) \
+ asm(".section \"" __sec "\", \"a\" \n" \
+ __stringify(__name) ": \n" \
+ ".long " __stringify(__stub) " - . \n" \
".previous \n");
#else
-#define ___define_initcall(fn, id, __sec) \
- static initcall_t __initcall_##fn##id __used \
- __attribute__((__section__(#__sec ".init"))) = fn;
+#define ____define_initcall(fn, __unused, __name, __sec) \
+ static initcall_t __name __used \
+ __attribute__((__section__(__sec))) = fn;
#endif
+#define __unique_initcall(fn, id, __sec, __iid) \
+ ____define_initcall(fn, \
+ __initcall_stub(fn, __iid, id), \
+ __initcall_name(initcall, __iid, id), \
+ __initcall_section(__sec, __iid))
+
+#define ___define_initcall(fn, id, __sec) \
+ __unique_initcall(fn, id, __sec, __initcall_id(fn))
+
#define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
/*
@@ -236,7 +297,7 @@ extern bool initcall_debug;
#define __exitcall(fn) \
static exitcall_t __exitcall_##fn __exit_call = fn
-#define console_initcall(fn) ___define_initcall(fn,, .con_initcall)
+#define console_initcall(fn) ___define_initcall(fn, con, .con_initcall)
struct obs_kernel_param {
const char *str;
diff --git a/include/linux/input.h b/include/linux/input.h
index 56f2fd3..4d752ce 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -7,6 +7,7 @@
#include <linux/time.h>
#include <linux/list.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/input.h>
/* Implementation details, userspace should not care about these */
#define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR
@@ -201,6 +202,11 @@ struct input_dev {
bool devres_managed;
ktime_t timestamp[INPUT_CLK_MAX];
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define to_input_dev(d) container_of(d, struct input_dev, dev)
@@ -320,6 +326,8 @@ struct input_handler {
struct list_head h_list;
struct list_head node;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -346,6 +354,8 @@ struct input_handle {
struct list_head d_node;
struct list_head h_node;
+
+ ANDROID_KABI_RESERVE(1);
};
struct input_dev __must_check *input_allocate_device(void);
@@ -550,6 +560,9 @@ struct ff_device {
int max_effects;
struct ff_effect *effects;
+
+ ANDROID_KABI_RESERVE(1);
+
struct file *effect_owners[];
};
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index ee8299e..386ddf4 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -542,6 +542,12 @@ enum
};
#define SOFTIRQ_STOP_IDLE_MASK (~(1 << RCU_SOFTIRQ))
+/* Softirq's where the handling might be long: */
+#define LONG_SOFTIRQ_MASK ((1 << NET_TX_SOFTIRQ) | \
+ (1 << NET_RX_SOFTIRQ) | \
+ (1 << BLOCK_SOFTIRQ) | \
+ (1 << IRQ_POLL_SOFTIRQ) | \
+ (1 << TASKLET_SOFTIRQ))
/* map softirq index to softirq name. update 'softirq_to_name' in
* kernel/softirq.c when adding a new softirq.
@@ -577,6 +583,7 @@ extern void raise_softirq_irqoff(unsigned int nr);
extern void raise_softirq(unsigned int nr);
DECLARE_PER_CPU(struct task_struct *, ksoftirqd);
+DECLARE_PER_CPU(__u32, active_softirqs);
static inline struct task_struct *this_cpu_ksoftirqd(void)
{
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 4cde111..df71703 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -25,8 +25,6 @@ enum io_pgtable_fmt {
* @tlb_flush_walk: Synchronously invalidate all intermediate TLB state
* (sometimes referred to as the "walk cache") for a virtual
* address range.
- * @tlb_flush_leaf: Synchronously invalidate all leaf TLB state for a virtual
- * address range.
* @tlb_add_page: Optional callback to queue up leaf TLB invalidation for a
* single page. IOMMUs that cannot batch TLB invalidation
* operations efficiently will typically issue them here, but
@@ -40,8 +38,6 @@ struct iommu_flush_ops {
void (*tlb_flush_all)(void *cookie);
void (*tlb_flush_walk)(unsigned long iova, size_t size, size_t granule,
void *cookie);
- void (*tlb_flush_leaf)(unsigned long iova, size_t size, size_t granule,
- void *cookie);
void (*tlb_add_page)(struct iommu_iotlb_gather *gather,
unsigned long iova, size_t granule, void *cookie);
};
@@ -72,13 +68,9 @@ struct io_pgtable_cfg {
* hardware which does not implement the permissions of a given
* format, and/or requires some format-specific default value.
*
- * IO_PGTABLE_QUIRK_TLBI_ON_MAP: If the format forbids caching invalid
- * (unmapped) entries but the hardware might do so anyway, perform
- * TLB maintenance when mapping as well as when unmapping.
- *
* IO_PGTABLE_QUIRK_ARM_MTK_EXT: (ARM v7s format) MediaTek IOMMUs extend
- * to support up to 34 bits PA where the bit32 and bit33 are
- * encoded in the bit9 and bit4 of the PTE respectively.
+ * to support up to 35 bits PA where the bit32, bit33 and bit34 are
+ * encoded in the bit9, bit4 and bit5 of the PTE respectively.
*
* IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs
* on unmap, for DMA domains using the flush queue mechanism for
@@ -89,7 +81,6 @@ struct io_pgtable_cfg {
*/
#define IO_PGTABLE_QUIRK_ARM_NS BIT(0)
#define IO_PGTABLE_QUIRK_NO_PERMS BIT(1)
- #define IO_PGTABLE_QUIRK_TLBI_ON_MAP BIT(2)
#define IO_PGTABLE_QUIRK_ARM_MTK_EXT BIT(3)
#define IO_PGTABLE_QUIRK_NON_STRICT BIT(4)
#define IO_PGTABLE_QUIRK_ARM_TTBR1 BIT(5)
@@ -147,7 +138,12 @@ struct io_pgtable_cfg {
* struct io_pgtable_ops - Page table manipulation API for IOMMU drivers.
*
* @map: Map a physically contiguous memory region.
+ * @map_pages: Map a physically contiguous range of pages of the same size.
+ * @map_sg: Map a scatter-gather list of physically contiguous memory
+ * chunks. The mapped pointer argument is used to store how
+ * many bytes are mapped.
* @unmap: Unmap a physically contiguous memory region.
+ * @unmap_pages: Unmap a range of virtually contiguous pages of the same size.
* @iova_to_phys: Translate iova to physical address.
*
* These functions map directly onto the iommu_ops member functions with
@@ -156,8 +152,17 @@ struct io_pgtable_cfg {
struct io_pgtable_ops {
int (*map)(struct io_pgtable_ops *ops, unsigned long iova,
phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
+ int (*map_pages)(struct io_pgtable_ops *ops, unsigned long iova,
+ phys_addr_t paddr, size_t pgsize, size_t pgcount,
+ int prot, gfp_t gfp, size_t *mapped);
+ int (*map_sg)(struct io_pgtable_ops *ops, unsigned long iova,
+ struct scatterlist *sg, unsigned int nents, int prot,
+ gfp_t gfp, size_t *mapped);
size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova,
size_t size, struct iommu_iotlb_gather *gather);
+ size_t (*unmap_pages)(struct io_pgtable_ops *ops, unsigned long iova,
+ size_t pgsize, size_t pgcount,
+ struct iommu_iotlb_gather *gather);
phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops,
unsigned long iova);
};
@@ -210,21 +215,16 @@ struct io_pgtable {
static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop)
{
- iop->cfg.tlb->tlb_flush_all(iop->cookie);
+ if (iop->cfg.tlb && iop->cfg.tlb->tlb_flush_all)
+ iop->cfg.tlb->tlb_flush_all(iop->cookie);
}
static inline void
io_pgtable_tlb_flush_walk(struct io_pgtable *iop, unsigned long iova,
size_t size, size_t granule)
{
- iop->cfg.tlb->tlb_flush_walk(iova, size, granule, iop->cookie);
-}
-
-static inline void
-io_pgtable_tlb_flush_leaf(struct io_pgtable *iop, unsigned long iova,
- size_t size, size_t granule)
-{
- iop->cfg.tlb->tlb_flush_leaf(iova, size, granule, iop->cookie);
+ if (iop->cfg.tlb && iop->cfg.tlb->tlb_flush_walk)
+ iop->cfg.tlb->tlb_flush_walk(iova, size, granule, iop->cookie);
}
static inline void
@@ -232,7 +232,7 @@ io_pgtable_tlb_add_page(struct io_pgtable *iop,
struct iommu_iotlb_gather * gather, unsigned long iova,
size_t granule)
{
- if (iop->cfg.tlb->tlb_add_page)
+ if (iop->cfg.tlb && iop->cfg.tlb->tlb_add_page)
iop->cfg.tlb->tlb_add_page(gather, iova, granule, iop->cookie);
}
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 5bd3cac..257ffd4 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -9,6 +9,7 @@
#include <linux/types.h>
#include <linux/mm_types.h>
#include <linux/blkdev.h>
+#include <linux/android_kabi.h>
struct address_space;
struct fiemap_extent_info;
@@ -88,6 +89,8 @@ struct iomap {
void *inline_data;
void *private; /* filesystem private */
const struct iomap_page_ops *page_ops;
+
+ ANDROID_KABI_RESERVE(1);
};
static inline sector_t
@@ -141,6 +144,9 @@ struct iomap_ops {
*/
int (*iomap_end)(struct inode *inode, loff_t pos, loff_t length,
ssize_t written, unsigned flags, struct iomap *iomap);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/*
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index e90c267..f7f6ada 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -31,6 +31,18 @@
* if the IOMMU page table format is equivalent.
*/
#define IOMMU_PRIV (1 << 5)
+/*
+ * Allow caching in a transparent outer level of cache, also known as
+ * the last-level or system cache, with a read/write allocation policy.
+ * Does not depend on IOMMU_CACHE. Incompatible with IOMMU_SYS_CACHE_NWA.
+ */
+#define IOMMU_SYS_CACHE (1 << 6)
+/*
+ * Allow caching in a transparent outer level of cache, also known as
+ * the last-level or system cache, with a read allocation policy.
+ * Does not depend on IOMMU_CACHE. Incompatible with IOMMU_SYS_CACHE.
+ */
+#define IOMMU_SYS_CACHE_NWA (1 << 7)
struct iommu_ops;
struct iommu_group;
@@ -190,7 +202,12 @@ struct iommu_iotlb_gather {
* @attach_dev: attach device to an iommu domain
* @detach_dev: detach device from an iommu domain
* @map: map a physically contiguous memory region to an iommu domain
+ * @map_pages: map a physically contiguous set of pages of the same size to
+ * an iommu domain.
+ * @map_sg: map a scatter-gather list of physically contiguous chunks to
+ * an iommu domain.
* @unmap: unmap a physically contiguous memory region from an iommu domain
+ * @unmap_pages: unmap a number of pages of the same size from an iommu domain
* @flush_iotlb_all: Synchronously flush all hardware TLBs for this domain
* @iotlb_sync_map: Sync mappings created recently using @map to the hardware
* @iotlb_sync: Flush all queued ranges from the hardware TLBs and empty flush
@@ -241,10 +258,20 @@ struct iommu_ops {
void (*detach_dev)(struct iommu_domain *domain, struct device *dev);
int (*map)(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
+ int (*map_pages)(struct iommu_domain *domain, unsigned long iova,
+ phys_addr_t paddr, size_t pgsize, size_t pgcount,
+ int prot, gfp_t gfp, size_t *mapped);
+ int (*map_sg)(struct iommu_domain *domain, unsigned long iova,
+ struct scatterlist *sg, unsigned int nents, int prot,
+ gfp_t gfp, size_t *mapped);
size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
size_t size, struct iommu_iotlb_gather *iotlb_gather);
+ size_t (*unmap_pages)(struct iommu_domain *domain, unsigned long iova,
+ size_t pgsize, size_t pgcount,
+ struct iommu_iotlb_gather *iotlb_gather);
void (*flush_iotlb_all)(struct iommu_domain *domain);
- void (*iotlb_sync_map)(struct iommu_domain *domain);
+ void (*iotlb_sync_map)(struct iommu_domain *domain, unsigned long iova,
+ size_t size);
void (*iotlb_sync)(struct iommu_domain *domain,
struct iommu_iotlb_gather *iotlb_gather);
phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova);
diff --git a/include/linux/ion.h b/include/linux/ion.h
new file mode 100644
index 0000000..80c6fde
--- /dev/null
+++ b/include/linux/ion.h
@@ -0,0 +1,419 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _ION_KERNEL_H
+#define _ION_KERNEL_H
+
+#include <linux/dma-buf.h>
+#include <linux/err.h>
+#include <linux/device.h>
+#include <linux/dma-direction.h>
+#include <linux/kref.h>
+#include <linux/mm_types.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/rbtree.h>
+#include <linux/sched.h>
+#include <linux/shrinker.h>
+#include <linux/types.h>
+#include <uapi/linux/ion.h>
+
+/**
+ * struct ion_buffer - metadata for a particular buffer
+ * @list: element in list of deferred freeable buffers
+ * @heap: back pointer to the heap the buffer came from
+ * @flags: buffer specific flags
+ * @private_flags: internal buffer specific flags
+ * @size: size of the buffer
+ * @priv_virt: private data to the buffer representable as
+ * a void *
+ * @lock: protects the buffers cnt fields
+ * @kmap_cnt: number of times the buffer is mapped to the kernel
+ * @vaddr: the kernel mapping if kmap_cnt is not zero
+ * @sg_table: the sg table for the buffer
+ * @attachments: list of devices attached to this buffer
+ */
+struct ion_buffer {
+ struct list_head list;
+ struct ion_heap *heap;
+ unsigned long flags;
+ unsigned long private_flags;
+ size_t size;
+ void *priv_virt;
+ struct mutex lock;
+ int kmap_cnt;
+ void *vaddr;
+ struct sg_table *sg_table;
+ struct list_head attachments;
+};
+
+/**
+ * struct ion_heap_ops - ops to operate on a given heap
+ * @allocate: allocate memory
+ * @free: free memory
+ * @get_pool_size: get pool size in pages
+ *
+ * allocate returns 0 on success, -errno on error.
+ * map_dma and map_kernel return pointer on success, ERR_PTR on
+ * error. @free will be called with ION_PRIV_FLAG_SHRINKER_FREE set in
+ * the buffer's private_flags when called from a shrinker. In that
+ * case, the pages being free'd must be truly free'd back to the
+ * system, not put in a page pool or otherwise cached.
+ */
+struct ion_heap_ops {
+ int (*allocate)(struct ion_heap *heap,
+ struct ion_buffer *buffer, unsigned long len,
+ unsigned long flags);
+ void (*free)(struct ion_buffer *buffer);
+ int (*shrink)(struct ion_heap *heap, gfp_t gfp_mask, int nr_to_scan);
+ long (*get_pool_size)(struct ion_heap *heap);
+};
+
+/**
+ * heap flags - flags between the heaps and core ion code
+ */
+#define ION_HEAP_FLAG_DEFER_FREE BIT(0)
+
+/**
+ * private flags - flags internal to ion
+ */
+/*
+ * Buffer is being freed from a shrinker function. Skip any possible
+ * heap-specific caching mechanism (e.g. page pools). Guarantees that
+ * any buffer storage that came from the system allocator will be
+ * returned to the system allocator.
+ */
+#define ION_PRIV_FLAG_SHRINKER_FREE BIT(0)
+
+/**
+ * struct ion_heap - represents a heap in the system
+ * @node: rb node to put the heap on the device's tree of heaps
+ * @type: type of heap
+ * @ops: ops struct as above
+ * @buf_ops: dma_buf ops specific to the heap implementation.
+ * @flags: flags
+ * @id: id of heap, also indicates priority of this heap when
+ * allocating. These are specified by platform data and
+ * MUST be unique
+ * @name: used for debugging
+ * @owner: kernel module that implements this heap
+ * @shrinker: a shrinker for the heap
+ * @free_list: free list head if deferred free is used
+ * @free_list_size size of the deferred free list in bytes
+ * @lock: protects the free list
+ * @waitqueue: queue to wait on from deferred free thread
+ * @task: task struct of deferred free thread
+ * @num_of_buffers the number of currently allocated buffers
+ * @num_of_alloc_bytes the number of allocated bytes
+ * @alloc_bytes_wm the number of allocated bytes watermark
+ *
+ * Represents a pool of memory from which buffers can be made. In some
+ * systems the only heap is regular system memory allocated via vmalloc.
+ * On others, some blocks might require large physically contiguous buffers
+ * that are allocated from a specially reserved heap.
+ */
+struct ion_heap {
+ struct plist_node node;
+ enum ion_heap_type type;
+ struct ion_heap_ops *ops;
+ struct dma_buf_ops buf_ops;
+ unsigned long flags;
+ unsigned int id;
+ const char *name;
+ struct module *owner;
+
+ /* deferred free support */
+ struct shrinker shrinker;
+ struct list_head free_list;
+ size_t free_list_size;
+ spinlock_t free_lock;
+ wait_queue_head_t waitqueue;
+ struct task_struct *task;
+
+ /* heap statistics */
+ u64 num_of_buffers;
+ u64 num_of_alloc_bytes;
+ u64 alloc_bytes_wm;
+
+ /* protect heap statistics */
+ spinlock_t stat_lock;
+
+ /* heap's debugfs root */
+ struct dentry *debugfs_dir;
+};
+
+#define ion_device_add_heap(heap) __ion_device_add_heap(heap, THIS_MODULE)
+
+/**
+ * struct ion_dma_buf_attachment - hold device-table attachment data for buffer
+ * @dev: device attached to the buffer.
+ * @table: cached mapping.
+ * @list: list of ion_dma_buf_attachment.
+ */
+struct ion_dma_buf_attachment {
+ struct device *dev;
+ struct sg_table *table;
+ struct list_head list;
+ bool mapped:1;
+};
+
+#ifdef CONFIG_ION
+
+/**
+ * __ion_device_add_heap - adds a heap to the ion device
+ *
+ * @heap: the heap to add
+ *
+ * Returns 0 on success, negative error otherwise.
+ */
+int __ion_device_add_heap(struct ion_heap *heap, struct module *owner);
+
+/**
+ * ion_device_remove_heap - removes a heap from ion device
+ *
+ * @heap: pointer to the heap to be removed
+ */
+void ion_device_remove_heap(struct ion_heap *heap);
+
+/**
+ * ion_heap_init_shrinker
+ * @heap: the heap
+ *
+ * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag or defines the shrink op
+ * this function will be called to setup a shrinker to shrink the freelists
+ * and call the heap's shrink op.
+ */
+int ion_heap_init_shrinker(struct ion_heap *heap);
+
+/**
+ * ion_heap_init_deferred_free -- initialize deferred free functionality
+ * @heap: the heap
+ *
+ * If a heap sets the ION_HEAP_FLAG_DEFER_FREE flag this function will
+ * be called to setup deferred frees. Calls to free the buffer will
+ * return immediately and the actual free will occur some time later
+ */
+int ion_heap_init_deferred_free(struct ion_heap *heap);
+
+/**
+ * ion_heap_freelist_add - add a buffer to the deferred free list
+ * @heap: the heap
+ * @buffer: the buffer
+ *
+ * Adds an item to the deferred freelist.
+ */
+void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer);
+
+/**
+ * ion_heap_freelist_drain - drain the deferred free list
+ * @heap: the heap
+ * @size: amount of memory to drain in bytes
+ *
+ * Drains the indicated amount of memory from the deferred freelist immediately.
+ * Returns the total amount freed. The total freed may be higher depending
+ * on the size of the items in the list, or lower if there is insufficient
+ * total memory on the freelist.
+ */
+size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size);
+
+/**
+ * ion_heap_freelist_shrink - drain the deferred free
+ * list, skipping any heap-specific
+ * pooling or caching mechanisms
+ *
+ * @heap: the heap
+ * @size: amount of memory to drain in bytes
+ *
+ * Drains the indicated amount of memory from the deferred freelist immediately.
+ * Returns the total amount freed. The total freed may be higher depending
+ * on the size of the items in the list, or lower if there is insufficient
+ * total memory on the freelist.
+ *
+ * Unlike with @ion_heap_freelist_drain, don't put any pages back into
+ * page pools or otherwise cache the pages. Everything must be
+ * genuinely free'd back to the system. If you're free'ing from a
+ * shrinker you probably want to use this. Note that this relies on
+ * the heap.ops.free callback honoring the ION_PRIV_FLAG_SHRINKER_FREE
+ * flag.
+ */
+size_t ion_heap_freelist_shrink(struct ion_heap *heap,
+ size_t size);
+
+/**
+ * ion_heap_freelist_size - returns the size of the freelist in bytes
+ * @heap: the heap
+ */
+size_t ion_heap_freelist_size(struct ion_heap *heap);
+
+/**
+ * ion_heap_map_kernel - map the ion_buffer in kernel virtual address space.
+ *
+ * @heap: the heap
+ * @buffer: buffer to be mapped
+ *
+ * Maps the buffer using vmap(). The function respects cache flags for the
+ * buffer and creates the page table entries accordingly. Returns virtual
+ * address at the beginning of the buffer or ERR_PTR.
+ */
+void *ion_heap_map_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
+
+/**
+ * ion_heap_unmap_kernel - unmap ion_buffer
+ *
+ * @buffer: buffer to be unmapped
+ *
+ * ION wrapper for vunmap() of the ion buffer.
+ */
+void ion_heap_unmap_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
+
+/**
+ * ion_heap_map_user - map given ion buffer in provided vma
+ *
+ * @heap: the heap this buffer belongs to
+ * @buffer: Ion buffer to be mapped
+ * @vma: vma of the process where buffer should be mapped.
+ *
+ * Maps the buffer using remap_pfn_range() into specific process's vma starting
+ * with vma->vm_start. The vma size is expected to be >= ion buffer size.
+ * If not, a partial buffer mapping may be created. Returns 0 on success.
+ */
+int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
+ struct vm_area_struct *vma);
+
+/* ion_buffer_zero - zeroes out an ion buffer respecting the ION_FLAGs.
+ *
+ * @buffer: ion_buffer to zero
+ *
+ * Returns 0 on success, negative error otherwise.
+ */
+int ion_buffer_zero(struct ion_buffer *buffer);
+
+/**
+ * ion_buffer_prep_noncached - flush cache before non-cached mapping
+ *
+ * @buffer: ion_buffer to flush
+ *
+ * The memory allocated by the heap could be in the CPU cache. To map
+ * this memory as non-cached, we need to flush the associated cache
+ * first. Without the flush, it is possible for stale dirty cache lines
+ * to be evicted after the ION client started writing into this buffer,
+ * leading to data corruption.
+ */
+void ion_buffer_prep_noncached(struct ion_buffer *buffer);
+
+/**
+ * ion_alloc - Allocates an ion buffer of given size from given heap
+ *
+ * @len: size of the buffer to be allocated.
+ * @heap_id_mask: a bitwise maks of heap ids to allocate from
+ * @flags: ION_BUFFER_XXXX flags for the new buffer.
+ *
+ * The function exports a dma_buf object for the new ion buffer internally
+ * and returns that to the caller. So, the buffer is ready to be used by other
+ * drivers immediately. Returns ERR_PTR in case of failure.
+ */
+struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
+ unsigned int flags);
+
+/**
+ * ion_free - Releases the ion buffer.
+ *
+ * @buffer: ion buffer to be released
+ */
+int ion_free(struct ion_buffer *buffer);
+
+/**
+ * ion_query_heaps_kernel - Returns information about available heaps to
+ * in-kernel clients.
+ *
+ * @hdata: pointer to array of struct ion_heap_data.
+ * @size: size of @hdata array.
+ *
+ * Returns the number of available heaps and populates @hdata with information
+ * regarding the same. When invoked with @size as 0, the function with return
+ * the number of available heaps without modifying @hdata. When the number of
+ * available heaps is higher than @size, @size is returned instead of the
+ * actual number of available heaps.
+ */
+
+size_t ion_query_heaps_kernel(struct ion_heap_data *hdata, size_t size);
+#else
+
+static inline int __ion_device_add_heap(struct ion_heap *heap,
+ struct module *owner)
+{
+ return -ENODEV;
+}
+
+static inline int ion_heap_init_shrinker(struct ion_heap *heap)
+{
+ return -ENODEV;
+}
+
+static inline int ion_heap_init_deferred_free(struct ion_heap *heap)
+{
+ return -ENODEV;
+}
+
+static inline void ion_heap_freelist_add(struct ion_heap *heap,
+ struct ion_buffer *buffer) {}
+
+static inline size_t ion_heap_freelist_drain(struct ion_heap *heap, size_t size)
+{
+ return -ENODEV;
+}
+
+static inline size_t ion_heap_freelist_shrink(struct ion_heap *heap,
+ size_t size)
+{
+ return -ENODEV;
+}
+
+static inline size_t ion_heap_freelist_size(struct ion_heap *heap)
+{
+ return -ENODEV;
+}
+
+static inline void *ion_heap_map_kernel(struct ion_heap *heap,
+ struct ion_buffer *buffer)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline void ion_heap_unmap_kernel(struct ion_heap *heap,
+ struct ion_buffer *buffer) {}
+
+static inline int ion_heap_map_user(struct ion_heap *heap,
+ struct ion_buffer *buffer,
+ struct vm_area_struct *vma)
+{
+ return -ENODEV;
+}
+
+static inline int ion_buffer_zero(struct ion_buffer *buffer)
+{
+ return -EINVAL;
+}
+
+static inline void ion_buffer_prep_noncached(struct ion_buffer *buffer) {}
+
+static inline struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
+ unsigned int flags)
+{
+ return ERR_PTR(-ENOMEM);
+}
+
+static inline int ion_free(struct ion_buffer *buffer)
+{
+ return 0;
+}
+
+static inline size_t ion_query_heaps_kernel(struct ion_heap_data *hdata,
+ size_t size)
+{
+ return 0;
+}
+#endif /* CONFIG_ION */
+#endif /* _ION_KERNEL_H */
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 5135d4b..d36041c 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -13,6 +13,7 @@
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/bits.h>
+#include <linux/android_kabi.h>
/*
* Resources are tree-like, allowing
* nesting etc..
@@ -24,6 +25,11 @@ struct resource {
unsigned long flags;
unsigned long desc;
struct resource *parent, *sibling, *child;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/*
diff --git a/include/linux/iova.h b/include/linux/iova.h
index a0637ab..5b4e75f 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -95,6 +95,7 @@ struct iova_domain {
flush-queues */
atomic_t fq_timer_on; /* 1 when timer is active, 0
when not */
+ bool best_fit;
};
static inline unsigned long iova_size(struct iova *iova)
@@ -163,6 +164,7 @@ void put_iova_domain(struct iova_domain *iovad);
struct iova *split_and_remove_iova(struct iova_domain *iovad,
struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi);
void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad);
+void free_global_cached_iovas(struct iova_domain *iovad);
#else
static inline int iova_cache_get(void)
{
@@ -270,6 +272,11 @@ static inline void free_cpu_cached_iovas(unsigned int cpu,
struct iova_domain *iovad)
{
}
+
+static inline void free_global_cached_iovas(struct iova_domain *iovad)
+{
+}
+
#endif
#endif
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index f514a7d..a7c5c7f 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -3,6 +3,7 @@
#define _IPV6_H
#include <uapi/linux/ipv6.h>
+#include <linux/android_kabi.h>
#define ipv6_optlen(p) (((p)->hdrlen+1) << 3)
#define ipv6_authlen(p) (((p)->hdrlen+2) << 2)
@@ -42,6 +43,7 @@ struct ipv6_devconf {
__s32 accept_ra_rt_info_max_plen;
#endif
#endif
+ __s32 accept_ra_rt_table;
__s32 proxy_ndp;
__s32 accept_source_route;
__s32 accept_ra_from_local;
@@ -77,6 +79,11 @@ struct ipv6_devconf {
__s32 rpl_seg_enabled;
struct ctl_table_header *sysctl_header;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct ipv6_params {
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 607bee9..b2b956d 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -72,6 +72,7 @@ enum irqchip_irq_state;
* mechanism and from core side polling.
* IRQ_DISABLE_UNLAZY - Disable lazy irq disable
* IRQ_HIDDEN - Don't show up in /proc/interrupts
+ * IRQ_RAW - Skip tick management and irqtime accounting
*/
enum {
IRQ_TYPE_NONE = 0x00000000,
@@ -99,6 +100,7 @@ enum {
IRQ_IS_POLLED = (1 << 18),
IRQ_DISABLE_UNLAZY = (1 << 19),
IRQ_HIDDEN = (1 << 20),
+ IRQ_RAW = (1 << 21),
};
#define IRQF_MODIFY_MASK \
@@ -753,6 +755,9 @@ void
irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle,
void *data);
+void __irq_modify_status(unsigned int irq, unsigned long clr,
+ unsigned long set, unsigned long mask);
+
void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set);
static inline void irq_set_status_flags(unsigned int irq, unsigned long set)
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index f6d092f..43348c4 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -693,6 +693,20 @@ int its_init(struct fwnode_handle *handle, struct rdists *rdists,
struct irq_domain *domain);
int mbi_init(struct fwnode_handle *fwnode, struct irq_domain *parent);
+struct gic_chip_data {
+ struct fwnode_handle *fwnode;
+ void __iomem *dist_base;
+ struct redist_region *redist_regions;
+ struct rdists rdists;
+ struct irq_domain *domain;
+ u64 redist_stride;
+ u32 nr_redist_regions;
+ u64 flags;
+ bool has_rss;
+ unsigned int ppi_nr;
+ struct partition_desc **ppi_descs;
+};
+
static inline bool gic_enable_sre(void)
{
u32 val;
@@ -708,6 +722,8 @@ static inline bool gic_enable_sre(void)
return !!(val & ICC_SRE_EL1_SRE);
}
+void gic_resume(void);
+
#endif
#endif
diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h
index 6976b83..943c341 100644
--- a/include/linux/irqchip/arm-gic-v4.h
+++ b/include/linux/irqchip/arm-gic-v4.h
@@ -39,6 +39,8 @@ struct its_vpe {
irq_hw_number_t vpe_db_lpi;
/* VPE resident */
bool resident;
+ /* VPT parse complete */
+ bool ready;
union {
/* GICv4.0 implementations */
struct {
@@ -104,6 +106,7 @@ enum its_vcpu_info_cmd_type {
PROP_UPDATE_AND_INV_VLPI,
SCHEDULE_VPE,
DESCHEDULE_VPE,
+ COMMIT_VPE,
INVALL_VPE,
PROP_UPDATE_VSGI,
};
@@ -129,6 +132,7 @@ int its_alloc_vcpu_irqs(struct its_vm *vm);
void its_free_vcpu_irqs(struct its_vm *vm);
int its_make_vpe_resident(struct its_vpe *vpe, bool g0en, bool g1en);
int its_make_vpe_non_resident(struct its_vpe *vpe, bool db);
+int its_commit_vpe(struct its_vpe *vpe);
int its_invall_vpe(struct its_vpe *vpe);
int its_map_vlpi(int irq, struct its_vlpi_map *map);
int its_get_vlpi(int irq, struct its_vlpi_map *map);
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index ea5a337..d6208a42 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -35,6 +35,7 @@
#include <linux/of.h>
#include <linux/mutex.h>
#include <linux/radix-tree.h>
+#include <linux/android_kabi.h>
struct device_node;
struct irq_domain;
@@ -178,6 +179,11 @@ struct irq_domain {
struct dentry *debugfs_file;
#endif
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
/* reverse map data. The linear map gets appended to the irq_domain */
irq_hw_number_t hwirq_max;
unsigned int revmap_direct_max_irq;
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 3280962..6175b3e 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -113,7 +113,7 @@ struct static_key {
#endif /* CONFIG_JUMP_LABEL */
#endif /* __ASSEMBLY__ */
-#ifdef CONFIG_JUMP_LABEL
+#if defined(CONFIG_JUMP_LABEL) && !defined(BUILD_FIPS140_KO)
#include <asm/jump_label.h>
#ifndef __ASSEMBLY__
@@ -188,7 +188,28 @@ enum jump_label_type {
struct module;
-#ifdef CONFIG_JUMP_LABEL
+#ifdef BUILD_FIPS140_KO
+
+static inline int static_key_count(struct static_key *key)
+{
+ return atomic_read(&key->enabled);
+}
+
+static __always_inline bool static_key_false(struct static_key *key)
+{
+ if (unlikely(static_key_count(key) > 0))
+ return true;
+ return false;
+}
+
+static __always_inline bool static_key_true(struct static_key *key)
+{
+ if (likely(static_key_count(key) > 0))
+ return true;
+ return false;
+}
+
+#elif defined(CONFIG_JUMP_LABEL)
#define JUMP_TYPE_FALSE 0UL
#define JUMP_TYPE_TRUE 1UL
@@ -393,7 +414,7 @@ extern bool ____wrong_branch_error(void);
static_key_count((struct static_key *)x) > 0; \
})
-#ifdef CONFIG_JUMP_LABEL
+#if defined(CONFIG_JUMP_LABEL) && !defined(BUILD_FIPS140_KO)
/*
* Combine the right initial value (type) with the right branch order
diff --git a/include/linux/kasan-checks.h b/include/linux/kasan-checks.h
index ac6aba6..3d6d22a 100644
--- a/include/linux/kasan-checks.h
+++ b/include/linux/kasan-checks.h
@@ -5,11 +5,17 @@
#include <linux/types.h>
/*
+ * The annotations present in this file are only relevant for the software
+ * KASAN modes that rely on compiler instrumentation, and will be optimized
+ * away for the hardware tag-based KASAN mode. Use kasan_check_byte() instead.
+ */
+
+/*
* __kasan_check_*: Always available when KASAN is enabled. This may be used
* even in compilation units that selectively disable KASAN, but must use KASAN
* to validate access to an address. Never use these in header files!
*/
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
bool __kasan_check_read(const volatile void *p, unsigned int size);
bool __kasan_check_write(const volatile void *p, unsigned int size);
#else
diff --git a/include/linux/kasan-tags.h b/include/linux/kasan-tags.h
new file mode 100644
index 0000000..4f85f56
--- /dev/null
+++ b/include/linux/kasan-tags.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_KASAN_TAGS_H
+#define _LINUX_KASAN_TAGS_H
+
+#define KASAN_TAG_KERNEL 0xFF /* native kernel pointers tag */
+#define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */
+#define KASAN_TAG_MAX 0xFD /* maximum value for random tags */
+
+#ifdef CONFIG_KASAN_HW_TAGS
+#define KASAN_TAG_MIN 0xF0 /* minimum value for random tags */
+#else
+#define KASAN_TAG_MIN 0x00 /* minimum value for random tags */
+#endif
+
+#endif /* LINUX_KASAN_TAGS_H */
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 30d343b..b59675c 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -2,6 +2,8 @@
#ifndef _LINUX_KASAN_H
#define _LINUX_KASAN_H
+#include <linux/bug.h>
+#include <linux/static_key.h>
#include <linux/types.h>
struct kmem_cache;
@@ -11,7 +13,7 @@ struct task_struct;
#ifdef CONFIG_KASAN
-#include <linux/pgtable.h>
+#include <linux/linkage.h>
#include <asm/kasan.h>
/* kasan_data struct is used in KUnit tests for KASAN expected failures */
@@ -20,8 +22,27 @@ struct kunit_kasan_expectation {
bool report_found;
};
+#endif
+
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+
+#include <linux/pgtable.h>
+
+/* Software KASAN implementations use shadow memory. */
+
+#ifdef CONFIG_KASAN_SW_TAGS
+/* This matches KASAN_TAG_INVALID. */
+#define KASAN_SHADOW_INIT 0xFE
+#else
+#define KASAN_SHADOW_INIT 0
+#endif
+
+#ifndef PTE_HWTABLE_PTRS
+#define PTE_HWTABLE_PTRS 0
+#endif
+
extern unsigned char kasan_early_shadow_page[PAGE_SIZE];
-extern pte_t kasan_early_shadow_pte[PTRS_PER_PTE];
+extern pte_t kasan_early_shadow_pte[PTRS_PER_PTE + PTE_HWTABLE_PTRS];
extern pmd_t kasan_early_shadow_pmd[PTRS_PER_PMD];
extern pud_t kasan_early_shadow_pud[PTRS_PER_PUD];
extern p4d_t kasan_early_shadow_p4d[MAX_PTRS_PER_P4D];
@@ -35,88 +56,272 @@ static inline void *kasan_mem_to_shadow(const void *addr)
+ KASAN_SHADOW_OFFSET;
}
+int kasan_add_zero_shadow(void *start, unsigned long size);
+void kasan_remove_zero_shadow(void *start, unsigned long size);
+
/* Enable reporting bugs after kasan_disable_current() */
extern void kasan_enable_current(void);
/* Disable reporting bugs for current task */
extern void kasan_disable_current(void);
-void kasan_unpoison_shadow(const void *address, size_t size);
+#else /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
-void kasan_unpoison_task_stack(struct task_struct *task);
+static inline int kasan_add_zero_shadow(void *start, unsigned long size)
+{
+ return 0;
+}
+static inline void kasan_remove_zero_shadow(void *start,
+ unsigned long size)
+{}
-void kasan_alloc_pages(struct page *page, unsigned int order);
+static inline void kasan_enable_current(void) {}
+static inline void kasan_disable_current(void) {}
+
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
+
+#ifdef CONFIG_KASAN_HW_TAGS
+
+DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled);
+
+static __always_inline bool kasan_enabled(void)
+{
+ return static_branch_likely(&kasan_flag_enabled);
+}
+
+static inline bool kasan_hw_tags_enabled(void)
+{
+ return kasan_enabled();
+}
+
+void kasan_alloc_pages(struct page *page, unsigned int order, gfp_t flags);
void kasan_free_pages(struct page *page, unsigned int order);
-void kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
- slab_flags_t *flags);
+#else /* CONFIG_KASAN_HW_TAGS */
-void kasan_poison_slab(struct page *page);
-void kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
-void kasan_poison_object_data(struct kmem_cache *cache, void *object);
-void * __must_check kasan_init_slab_obj(struct kmem_cache *cache,
- const void *object);
+static inline bool kasan_enabled(void)
+{
+ return IS_ENABLED(CONFIG_KASAN);
+}
-void * __must_check kasan_kmalloc_large(const void *ptr, size_t size,
- gfp_t flags);
-void kasan_kfree_large(void *ptr, unsigned long ip);
-void kasan_poison_kfree(void *ptr, unsigned long ip);
-void * __must_check kasan_kmalloc(struct kmem_cache *s, const void *object,
- size_t size, gfp_t flags);
-void * __must_check kasan_krealloc(const void *object, size_t new_size,
- gfp_t flags);
+static inline bool kasan_hw_tags_enabled(void)
+{
+ return false;
+}
-void * __must_check kasan_slab_alloc(struct kmem_cache *s, void *object,
- gfp_t flags);
-bool kasan_slab_free(struct kmem_cache *s, void *object, unsigned long ip);
+static __always_inline void kasan_alloc_pages(struct page *page,
+ unsigned int order, gfp_t flags)
+{
+ /* Only available for integrated init. */
+ BUILD_BUG();
+}
+
+static __always_inline void kasan_free_pages(struct page *page,
+ unsigned int order)
+{
+ /* Only available for integrated init. */
+ BUILD_BUG();
+}
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+static inline bool kasan_has_integrated_init(void)
+{
+ return kasan_hw_tags_enabled();
+}
+
+#ifdef CONFIG_KASAN
struct kasan_cache {
int alloc_meta_offset;
int free_meta_offset;
+ bool is_kmalloc;
};
-/*
- * These functions provide a special case to support backing module
- * allocations with real shadow memory. With KASAN vmalloc, the special
- * case is unnecessary, as the work is handled in the generic case.
- */
-#ifndef CONFIG_KASAN_VMALLOC
-int kasan_module_alloc(void *addr, size_t size);
-void kasan_free_shadow(const struct vm_struct *vm);
-#else
-static inline int kasan_module_alloc(void *addr, size_t size) { return 0; }
-static inline void kasan_free_shadow(const struct vm_struct *vm) {}
-#endif
-
-int kasan_add_zero_shadow(void *start, unsigned long size);
-void kasan_remove_zero_shadow(void *start, unsigned long size);
-
-size_t __ksize(const void *);
-static inline void kasan_unpoison_slab(const void *ptr)
+slab_flags_t __kasan_never_merge(void);
+static __always_inline slab_flags_t kasan_never_merge(void)
{
- kasan_unpoison_shadow(ptr, __ksize(ptr));
+ if (kasan_enabled())
+ return __kasan_never_merge();
+ return 0;
}
-size_t kasan_metadata_size(struct kmem_cache *cache);
+
+void __kasan_unpoison_range(const void *addr, size_t size);
+static __always_inline void kasan_unpoison_range(const void *addr, size_t size)
+{
+ if (kasan_enabled())
+ __kasan_unpoison_range(addr, size);
+}
+
+void __kasan_poison_pages(struct page *page, unsigned int order, bool init);
+static __always_inline void kasan_poison_pages(struct page *page,
+ unsigned int order, bool init)
+{
+ if (kasan_enabled())
+ __kasan_poison_pages(page, order, init);
+}
+
+void __kasan_unpoison_pages(struct page *page, unsigned int order, bool init);
+static __always_inline void kasan_unpoison_pages(struct page *page,
+ unsigned int order, bool init)
+{
+ if (kasan_enabled())
+ __kasan_unpoison_pages(page, order, init);
+}
+
+void __kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
+ slab_flags_t *flags);
+static __always_inline void kasan_cache_create(struct kmem_cache *cache,
+ unsigned int *size, slab_flags_t *flags)
+{
+ if (kasan_enabled())
+ __kasan_cache_create(cache, size, flags);
+}
+
+void __kasan_cache_create_kmalloc(struct kmem_cache *cache);
+static __always_inline void kasan_cache_create_kmalloc(struct kmem_cache *cache)
+{
+ if (kasan_enabled())
+ __kasan_cache_create_kmalloc(cache);
+}
+
+size_t __kasan_metadata_size(struct kmem_cache *cache);
+static __always_inline size_t kasan_metadata_size(struct kmem_cache *cache)
+{
+ if (kasan_enabled())
+ return __kasan_metadata_size(cache);
+ return 0;
+}
+
+void __kasan_poison_slab(struct page *page);
+static __always_inline void kasan_poison_slab(struct page *page)
+{
+ if (kasan_enabled())
+ __kasan_poison_slab(page);
+}
+
+void __kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
+static __always_inline void kasan_unpoison_object_data(struct kmem_cache *cache,
+ void *object)
+{
+ if (kasan_enabled())
+ __kasan_unpoison_object_data(cache, object);
+}
+
+void __kasan_poison_object_data(struct kmem_cache *cache, void *object);
+static __always_inline void kasan_poison_object_data(struct kmem_cache *cache,
+ void *object)
+{
+ if (kasan_enabled())
+ __kasan_poison_object_data(cache, object);
+}
+
+void * __must_check __kasan_init_slab_obj(struct kmem_cache *cache,
+ const void *object);
+static __always_inline void * __must_check kasan_init_slab_obj(
+ struct kmem_cache *cache, const void *object)
+{
+ if (kasan_enabled())
+ return __kasan_init_slab_obj(cache, object);
+ return (void *)object;
+}
+
+bool __kasan_slab_free(struct kmem_cache *s, void *object,
+ unsigned long ip, bool init);
+static __always_inline bool kasan_slab_free(struct kmem_cache *s,
+ void *object, bool init)
+{
+ if (kasan_enabled())
+ return __kasan_slab_free(s, object, _RET_IP_, init);
+ return false;
+}
+
+void __kasan_kfree_large(void *ptr, unsigned long ip);
+static __always_inline void kasan_kfree_large(void *ptr)
+{
+ if (kasan_enabled())
+ __kasan_kfree_large(ptr, _RET_IP_);
+}
+
+void __kasan_slab_free_mempool(void *ptr, unsigned long ip);
+static __always_inline void kasan_slab_free_mempool(void *ptr)
+{
+ if (kasan_enabled())
+ __kasan_slab_free_mempool(ptr, _RET_IP_);
+}
+
+void * __must_check __kasan_slab_alloc(struct kmem_cache *s,
+ void *object, gfp_t flags, bool init);
+static __always_inline void * __must_check kasan_slab_alloc(
+ struct kmem_cache *s, void *object, gfp_t flags, bool init)
+{
+ if (kasan_enabled())
+ return __kasan_slab_alloc(s, object, flags, init);
+ return object;
+}
+
+void * __must_check __kasan_kmalloc(struct kmem_cache *s, const void *object,
+ size_t size, gfp_t flags);
+static __always_inline void * __must_check kasan_kmalloc(struct kmem_cache *s,
+ const void *object, size_t size, gfp_t flags)
+{
+ if (kasan_enabled())
+ return __kasan_kmalloc(s, object, size, flags);
+ return (void *)object;
+}
+
+void * __must_check __kasan_kmalloc_large(const void *ptr,
+ size_t size, gfp_t flags);
+static __always_inline void * __must_check kasan_kmalloc_large(const void *ptr,
+ size_t size, gfp_t flags)
+{
+ if (kasan_enabled())
+ return __kasan_kmalloc_large(ptr, size, flags);
+ return (void *)ptr;
+}
+
+void * __must_check __kasan_krealloc(const void *object,
+ size_t new_size, gfp_t flags);
+static __always_inline void * __must_check kasan_krealloc(const void *object,
+ size_t new_size, gfp_t flags)
+{
+ if (kasan_enabled())
+ return __kasan_krealloc(object, new_size, flags);
+ return (void *)object;
+}
+
+/*
+ * Unlike kasan_check_read/write(), kasan_check_byte() is performed even for
+ * the hardware tag-based mode that doesn't rely on compiler instrumentation.
+ */
+bool __kasan_check_byte(const void *addr, unsigned long ip);
+static __always_inline bool kasan_check_byte(const void *addr)
+{
+ if (kasan_enabled())
+ return __kasan_check_byte(addr, _RET_IP_);
+ return true;
+}
+
bool kasan_save_enable_multi_shot(void);
void kasan_restore_multi_shot(bool enabled);
#else /* CONFIG_KASAN */
-static inline void kasan_unpoison_shadow(const void *address, size_t size) {}
-
-static inline void kasan_unpoison_task_stack(struct task_struct *task) {}
-
-static inline void kasan_enable_current(void) {}
-static inline void kasan_disable_current(void) {}
-
-static inline void kasan_alloc_pages(struct page *page, unsigned int order) {}
-static inline void kasan_free_pages(struct page *page, unsigned int order) {}
-
+static inline slab_flags_t kasan_never_merge(void)
+{
+ return 0;
+}
+static inline void kasan_unpoison_range(const void *address, size_t size) {}
+static inline void kasan_poison_pages(struct page *page, unsigned int order,
+ bool init) {}
+static inline void kasan_unpoison_pages(struct page *page, unsigned int order,
+ bool init) {}
static inline void kasan_cache_create(struct kmem_cache *cache,
unsigned int *size,
slab_flags_t *flags) {}
-
+static inline void kasan_cache_create_kmalloc(struct kmem_cache *cache) {}
+static inline size_t kasan_metadata_size(struct kmem_cache *cache) { return 0; }
static inline void kasan_poison_slab(struct page *page) {}
static inline void kasan_unpoison_object_data(struct kmem_cache *cache,
void *object) {}
@@ -127,54 +332,45 @@ static inline void *kasan_init_slab_obj(struct kmem_cache *cache,
{
return (void *)object;
}
-
-static inline void *kasan_kmalloc_large(void *ptr, size_t size, gfp_t flags)
+static inline bool kasan_slab_free(struct kmem_cache *s, void *object, bool init)
{
- return ptr;
+ return false;
}
-static inline void kasan_kfree_large(void *ptr, unsigned long ip) {}
-static inline void kasan_poison_kfree(void *ptr, unsigned long ip) {}
+static inline void kasan_kfree_large(void *ptr) {}
+static inline void kasan_slab_free_mempool(void *ptr) {}
+static inline void *kasan_slab_alloc(struct kmem_cache *s, void *object,
+ gfp_t flags, bool init)
+{
+ return object;
+}
static inline void *kasan_kmalloc(struct kmem_cache *s, const void *object,
size_t size, gfp_t flags)
{
return (void *)object;
}
+static inline void *kasan_kmalloc_large(const void *ptr, size_t size, gfp_t flags)
+{
+ return (void *)ptr;
+}
static inline void *kasan_krealloc(const void *object, size_t new_size,
gfp_t flags)
{
return (void *)object;
}
-
-static inline void *kasan_slab_alloc(struct kmem_cache *s, void *object,
- gfp_t flags)
+static inline bool kasan_check_byte(const void *address)
{
- return object;
+ return true;
}
-static inline bool kasan_slab_free(struct kmem_cache *s, void *object,
- unsigned long ip)
-{
- return false;
-}
-
-static inline int kasan_module_alloc(void *addr, size_t size) { return 0; }
-static inline void kasan_free_shadow(const struct vm_struct *vm) {}
-
-static inline int kasan_add_zero_shadow(void *start, unsigned long size)
-{
- return 0;
-}
-static inline void kasan_remove_zero_shadow(void *start,
- unsigned long size)
-{}
-
-static inline void kasan_unpoison_slab(const void *ptr) { }
-static inline size_t kasan_metadata_size(struct kmem_cache *cache) { return 0; }
#endif /* CONFIG_KASAN */
-#ifdef CONFIG_KASAN_GENERIC
+#if defined(CONFIG_KASAN) && defined(CONFIG_KASAN_STACK)
+void kasan_unpoison_task_stack(struct task_struct *task);
+#else
+static inline void kasan_unpoison_task_stack(struct task_struct *task) {}
+#endif
-#define KASAN_SHADOW_INIT 0
+#ifdef CONFIG_KASAN_GENERIC
void kasan_cache_shrink(struct kmem_cache *cache);
void kasan_cache_shutdown(struct kmem_cache *cache);
@@ -188,36 +384,63 @@ static inline void kasan_record_aux_stack(void *ptr) {}
#endif /* CONFIG_KASAN_GENERIC */
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
-#define KASAN_SHADOW_INIT 0xFF
+static inline void *kasan_reset_tag(const void *addr)
+{
+ return (void *)arch_kasan_reset_tag(addr);
+}
-void kasan_init_tags(void);
-
-void *kasan_reset_tag(const void *addr);
-
+/**
+ * kasan_report - print a report about a bad memory access detected by KASAN
+ * @addr: address of the bad access
+ * @size: size of the bad access
+ * @is_write: whether the bad access is a write or a read
+ * @ip: instruction pointer for the accessibility check or the bad access itself
+ */
bool kasan_report(unsigned long addr, size_t size,
bool is_write, unsigned long ip);
-#else /* CONFIG_KASAN_SW_TAGS */
-
-static inline void kasan_init_tags(void) { }
+#else /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
static inline void *kasan_reset_tag(const void *addr)
{
return (void *)addr;
}
-#endif /* CONFIG_KASAN_SW_TAGS */
+#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS*/
+
+#ifdef CONFIG_KASAN_HW_TAGS
+
+void kasan_report_async(void);
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+#ifdef CONFIG_KASAN_SW_TAGS
+void __init kasan_init_sw_tags(void);
+#else
+static inline void kasan_init_sw_tags(void) { }
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+void kasan_init_hw_tags_cpu(void);
+void __init kasan_init_hw_tags(void);
+#else
+static inline void kasan_init_hw_tags_cpu(void) { }
+static inline void kasan_init_hw_tags(void) { }
+#endif
#ifdef CONFIG_KASAN_VMALLOC
+
int kasan_populate_vmalloc(unsigned long addr, unsigned long size);
void kasan_poison_vmalloc(const void *start, unsigned long size);
void kasan_unpoison_vmalloc(const void *start, unsigned long size);
void kasan_release_vmalloc(unsigned long start, unsigned long end,
unsigned long free_region_start,
unsigned long free_region_end);
-#else
+
+#else /* CONFIG_KASAN_VMALLOC */
+
static inline int kasan_populate_vmalloc(unsigned long start,
unsigned long size)
{
@@ -232,7 +455,26 @@ static inline void kasan_release_vmalloc(unsigned long start,
unsigned long end,
unsigned long free_region_start,
unsigned long free_region_end) {}
-#endif
+
+#endif /* CONFIG_KASAN_VMALLOC */
+
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+ !defined(CONFIG_KASAN_VMALLOC)
+
+/*
+ * These functions provide a special case to support backing module
+ * allocations with real shadow memory. With KASAN vmalloc, the special
+ * case is unnecessary, as the work is handled in the generic case.
+ */
+int kasan_module_alloc(void *addr, size_t size);
+void kasan_free_shadow(const struct vm_struct *vm);
+
+#else /* (CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS) && !CONFIG_KASAN_VMALLOC */
+
+static inline int kasan_module_alloc(void *addr, size_t size) { return 0; }
+static inline void kasan_free_shadow(const struct vm_struct *vm) {}
+
+#endif /* (CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS) && !CONFIG_KASAN_VMALLOC */
#ifdef CONFIG_KASAN_INLINE
void kasan_non_canonical_hook(unsigned long addr);
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 89f6a42..4434979 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -16,6 +16,7 @@
#include <linux/atomic.h>
#include <linux/uidgid.h>
#include <linux/wait.h>
+#include <linux/android_kabi.h>
struct file;
struct dentry;
@@ -156,6 +157,8 @@ struct kernfs_node {
unsigned short flags;
umode_t mode;
struct kernfs_iattrs *iattr;
+
+ ANDROID_KABI_RESERVE(1);
};
/*
@@ -175,6 +178,11 @@ struct kernfs_syscall_ops {
const char *new_name);
int (*show_path)(struct seq_file *sf, struct kernfs_node *kn,
struct kernfs_root *root);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct kernfs_root {
@@ -192,6 +200,8 @@ struct kernfs_root {
struct list_head supers;
wait_queue_head_t deactivate_waitq;
+
+ ANDROID_KABI_RESERVE(1);
};
struct kernfs_open_file {
@@ -212,6 +222,8 @@ struct kernfs_open_file {
bool mmapped:1;
bool released:1;
const struct vm_operations_struct *vm_ops;
+
+ ANDROID_KABI_RESERVE(1);
};
struct kernfs_ops {
@@ -268,6 +280,9 @@ struct kernfs_ops {
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lock_class_key lockdep_key;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/*
diff --git a/include/linux/key-type.h b/include/linux/key-type.h
index 2ab2d6d..5e85fe0 100644
--- a/include/linux/key-type.h
+++ b/include/linux/key-type.h
@@ -10,6 +10,7 @@
#include <linux/key.h>
#include <linux/errno.h>
+#include <linux/android_kabi.h>
#ifdef CONFIG_KEYS
@@ -155,6 +156,9 @@ struct key_type {
int (*asym_verify_signature)(struct kernel_pkey_params *params,
const void *in, const void *in2);
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
/* internal fields */
struct list_head link; /* link in types list */
struct lock_class_key lock_class; /* key->sem lock class */
diff --git a/include/linux/keyslot-manager.h b/include/linux/keyslot-manager.h
index 18f3f53..2eb44e2 100644
--- a/include/linux/keyslot-manager.h
+++ b/include/linux/keyslot-manager.h
@@ -9,6 +9,15 @@
#include <linux/bio.h>
#include <linux/blk-crypto.h>
+/* Inline crypto feature bits. Must set at least one. */
+enum {
+ /* Support for standard software-specified keys */
+ BLK_CRYPTO_FEATURE_STANDARD_KEYS = BIT(0),
+
+ /* Support for hardware-wrapped keys */
+ BLK_CRYPTO_FEATURE_WRAPPED_KEYS = BIT(1),
+};
+
struct blk_keyslot_manager;
/**
@@ -19,6 +28,9 @@ struct blk_keyslot_manager;
* The key is provided so that e.g. dm layers can evict
* keys from the devices that they map over.
* Returns 0 on success, -errno otherwise.
+ * @derive_raw_secret: (Optional) Derive a software secret from a
+ * hardware-wrapped key. Returns 0 on success, -EOPNOTSUPP
+ * if unsupported on the hardware, or another -errno code.
*
* This structure should be provided by storage device drivers when they set up
* a keyslot manager - this structure holds the function ptrs that the keyslot
@@ -31,6 +43,10 @@ struct blk_ksm_ll_ops {
int (*keyslot_evict)(struct blk_keyslot_manager *ksm,
const struct blk_crypto_key *key,
unsigned int slot);
+ int (*derive_raw_secret)(struct blk_keyslot_manager *ksm,
+ const u8 *wrapped_key,
+ unsigned int wrapped_key_size,
+ u8 *secret, unsigned int secret_size);
};
struct blk_keyslot_manager {
@@ -48,6 +64,12 @@ struct blk_keyslot_manager {
unsigned int max_dun_bytes_supported;
/*
+ * The supported features as a bitmask of BLK_CRYPTO_FEATURE_* flags.
+ * Most drivers should set BLK_CRYPTO_FEATURE_STANDARD_KEYS here.
+ */
+ unsigned int features;
+
+ /*
* Array of size BLK_ENCRYPTION_MODE_MAX of bitmasks that represents
* whether a crypto mode and data unit size are supported. The i'th
* bit of crypto_mode_supported[crypto_mode] is set iff a data unit
@@ -85,6 +107,9 @@ struct blk_keyslot_manager {
int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots);
+int devm_blk_ksm_init(struct device *dev, struct blk_keyslot_manager *ksm,
+ unsigned int num_slots);
+
blk_status_t blk_ksm_get_slot_for_key(struct blk_keyslot_manager *ksm,
const struct blk_crypto_key *key,
struct blk_ksm_keyslot **slot_ptr);
@@ -103,4 +128,20 @@ void blk_ksm_reprogram_all_keys(struct blk_keyslot_manager *ksm);
void blk_ksm_destroy(struct blk_keyslot_manager *ksm);
+int blk_ksm_derive_raw_secret(struct blk_keyslot_manager *ksm,
+ const u8 *wrapped_key,
+ unsigned int wrapped_key_size,
+ u8 *secret, unsigned int secret_size);
+
+void blk_ksm_intersect_modes(struct blk_keyslot_manager *parent,
+ const struct blk_keyslot_manager *child);
+
+void blk_ksm_init_passthrough(struct blk_keyslot_manager *ksm);
+
+bool blk_ksm_is_superset(struct blk_keyslot_manager *ksm_superset,
+ struct blk_keyslot_manager *ksm_subset);
+
+void blk_ksm_update_capabilities(struct blk_keyslot_manager *target_ksm,
+ struct blk_keyslot_manager *reference_ksm);
+
#endif /* __LINUX_KEYSLOT_MANAGER_H */
diff --git a/include/linux/kfence.h b/include/linux/kfence.h
new file mode 100644
index 0000000..3fe6dd8
--- /dev/null
+++ b/include/linux/kfence.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Kernel Electric-Fence (KFENCE). Public interface for allocator and fault
+ * handler integration. For more info see Documentation/dev-tools/kfence.rst.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef _LINUX_KFENCE_H
+#define _LINUX_KFENCE_H
+
+#include <linux/mm.h>
+#include <linux/types.h>
+
+#ifdef CONFIG_KFENCE
+
+/*
+ * We allocate an even number of pages, as it simplifies calculations to map
+ * address to metadata indices; effectively, the very first page serves as an
+ * extended guard page, but otherwise has no special purpose.
+ */
+#define KFENCE_POOL_SIZE ((CONFIG_KFENCE_NUM_OBJECTS + 1) * 2 * PAGE_SIZE)
+extern char *__kfence_pool;
+
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+#include <linux/static_key.h>
+DECLARE_STATIC_KEY_FALSE(kfence_allocation_key);
+#else
+#include <linux/atomic.h>
+extern atomic_t kfence_allocation_gate;
+#endif
+
+/**
+ * is_kfence_address() - check if an address belongs to KFENCE pool
+ * @addr: address to check
+ *
+ * Return: true or false depending on whether the address is within the KFENCE
+ * object range.
+ *
+ * KFENCE objects live in a separate page range and are not to be intermixed
+ * with regular heap objects (e.g. KFENCE objects must never be added to the
+ * allocator freelists). Failing to do so may and will result in heap
+ * corruptions, therefore is_kfence_address() must be used to check whether
+ * an object requires specific handling.
+ *
+ * Note: This function may be used in fast-paths, and is performance critical.
+ * Future changes should take this into account; for instance, we want to avoid
+ * introducing another load and therefore need to keep KFENCE_POOL_SIZE a
+ * constant (until immediate patching support is added to the kernel).
+ */
+static __always_inline bool is_kfence_address(const void *addr)
+{
+ /*
+ * The __kfence_pool != NULL check is required to deal with the case
+ * where __kfence_pool == NULL && addr < KFENCE_POOL_SIZE. Keep it in
+ * the slow-path after the range-check!
+ */
+ return unlikely((unsigned long)((char *)addr - __kfence_pool) < KFENCE_POOL_SIZE && __kfence_pool);
+}
+
+/**
+ * kfence_alloc_pool() - allocate the KFENCE pool via memblock
+ */
+void __init kfence_alloc_pool(void);
+
+/**
+ * kfence_init() - perform KFENCE initialization at boot time
+ *
+ * Requires that kfence_alloc_pool() was called before. This sets up the
+ * allocation gate timer, and requires that workqueues are available.
+ */
+void __init kfence_init(void);
+
+/**
+ * kfence_shutdown_cache() - handle shutdown_cache() for KFENCE objects
+ * @s: cache being shut down
+ *
+ * Before shutting down a cache, one must ensure there are no remaining objects
+ * allocated from it. Because KFENCE objects are not referenced from the cache
+ * directly, we need to check them here.
+ *
+ * Note that shutdown_cache() is internal to SL*B, and kmem_cache_destroy() does
+ * not return if allocated objects still exist: it prints an error message and
+ * simply aborts destruction of a cache, leaking memory.
+ *
+ * If the only such objects are KFENCE objects, we will not leak the entire
+ * cache, but instead try to provide more useful debug info by making allocated
+ * objects "zombie allocations". Objects may then still be used or freed (which
+ * is handled gracefully), but usage will result in showing KFENCE error reports
+ * which include stack traces to the user of the object, the original allocation
+ * site, and caller to shutdown_cache().
+ */
+void kfence_shutdown_cache(struct kmem_cache *s);
+
+/*
+ * Allocate a KFENCE object. Allocators must not call this function directly,
+ * use kfence_alloc() instead.
+ */
+void *__kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags);
+
+/**
+ * kfence_alloc() - allocate a KFENCE object with a low probability
+ * @s: struct kmem_cache with object requirements
+ * @size: exact size of the object to allocate (can be less than @s->size
+ * e.g. for kmalloc caches)
+ * @flags: GFP flags
+ *
+ * Return:
+ * * NULL - must proceed with allocating as usual,
+ * * non-NULL - pointer to a KFENCE object.
+ *
+ * kfence_alloc() should be inserted into the heap allocation fast path,
+ * allowing it to transparently return KFENCE-allocated objects with a low
+ * probability using a static branch (the probability is controlled by the
+ * kfence.sample_interval boot parameter).
+ */
+static __always_inline void *kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags)
+{
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+ if (static_branch_unlikely(&kfence_allocation_key))
+#else
+ if (unlikely(!atomic_read(&kfence_allocation_gate)))
+#endif
+ return __kfence_alloc(s, size, flags);
+ return NULL;
+}
+
+/**
+ * kfence_ksize() - get actual amount of memory allocated for a KFENCE object
+ * @addr: pointer to a heap object
+ *
+ * Return:
+ * * 0 - not a KFENCE object, must call __ksize() instead,
+ * * non-0 - this many bytes can be accessed without causing a memory error.
+ *
+ * kfence_ksize() returns the number of bytes requested for a KFENCE object at
+ * allocation time. This number may be less than the object size of the
+ * corresponding struct kmem_cache.
+ */
+size_t kfence_ksize(const void *addr);
+
+/**
+ * kfence_object_start() - find the beginning of a KFENCE object
+ * @addr: address within a KFENCE-allocated object
+ *
+ * Return: address of the beginning of the object.
+ *
+ * SL[AU]B-allocated objects are laid out within a page one by one, so it is
+ * easy to calculate the beginning of an object given a pointer inside it and
+ * the object size. The same is not true for KFENCE, which places a single
+ * object at either end of the page. This helper function is used to find the
+ * beginning of a KFENCE-allocated object.
+ */
+void *kfence_object_start(const void *addr);
+
+/**
+ * __kfence_free() - release a KFENCE heap object to KFENCE pool
+ * @addr: object to be freed
+ *
+ * Requires: is_kfence_address(addr)
+ *
+ * Release a KFENCE object and mark it as freed.
+ */
+void __kfence_free(void *addr);
+
+/**
+ * kfence_free() - try to release an arbitrary heap object to KFENCE pool
+ * @addr: object to be freed
+ *
+ * Return:
+ * * false - object doesn't belong to KFENCE pool and was ignored,
+ * * true - object was released to KFENCE pool.
+ *
+ * Release a KFENCE object and mark it as freed. May be called on any object,
+ * even non-KFENCE objects, to simplify integration of the hooks into the
+ * allocator's free codepath. The allocator must check the return value to
+ * determine if it was a KFENCE object or not.
+ */
+static __always_inline __must_check bool kfence_free(void *addr)
+{
+ if (!is_kfence_address(addr))
+ return false;
+ __kfence_free(addr);
+ return true;
+}
+
+/**
+ * kfence_handle_page_fault() - perform page fault handling for KFENCE pages
+ * @addr: faulting address
+ * @is_write: is access a write
+ * @regs: current struct pt_regs (can be NULL, but shows full stack trace)
+ *
+ * Return:
+ * * false - address outside KFENCE pool,
+ * * true - page fault handled by KFENCE, no additional handling required.
+ *
+ * A page fault inside KFENCE pool indicates a memory error, such as an
+ * out-of-bounds access, a use-after-free or an invalid memory access. In these
+ * cases KFENCE prints an error message and marks the offending page as
+ * present, so that the kernel can proceed.
+ */
+bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write, struct pt_regs *regs);
+
+#else /* CONFIG_KFENCE */
+
+static inline bool is_kfence_address(const void *addr) { return false; }
+static inline void kfence_alloc_pool(void) { }
+static inline void kfence_init(void) { }
+static inline void kfence_shutdown_cache(struct kmem_cache *s) { }
+static inline void *kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags) { return NULL; }
+static inline size_t kfence_ksize(const void *addr) { return 0; }
+static inline void *kfence_object_start(const void *addr) { return NULL; }
+static inline void __kfence_free(void *addr) { }
+static inline bool __must_check kfence_free(void *addr) { return false; }
+static inline bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write,
+ struct pt_regs *regs)
+{
+ return false;
+}
+
+#endif
+
+#endif /* _LINUX_KFENCE_H */
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index ea30529..e6d8e1b 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -27,6 +27,7 @@
#include <linux/atomic.h>
#include <linux/workqueue.h>
#include <linux/uidgid.h>
+#include <linux/android_kabi.h>
#define UEVENT_HELPER_PATH_LEN 256
#define UEVENT_NUM_ENVP 64 /* number of env pointers */
@@ -77,6 +78,11 @@ struct kobject {
unsigned int state_add_uevent_sent:1;
unsigned int state_remove_uevent_sent:1;
unsigned int uevent_suppress:1;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
extern __printf(2, 3)
@@ -143,6 +149,11 @@ struct kobj_type {
const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj);
const void *(*namespace)(struct kobject *kobj);
void (*get_ownership)(struct kobject *kobj, kuid_t *uid, kgid_t *gid);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct kobj_uevent_env {
@@ -194,6 +205,11 @@ struct kset {
spinlock_t list_lock;
struct kobject kobj;
const struct kset_uevent_ops *uevent_ops;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
extern void kset_init(struct kset *kset);
diff --git a/include/linux/list_sort.h b/include/linux/list_sort.h
index 453105f..20f178c 100644
--- a/include/linux/list_sort.h
+++ b/include/linux/list_sort.h
@@ -6,9 +6,8 @@
struct list_head;
-typedef int __attribute__((nonnull(2,3))) (*list_cmp_func_t)(void *,
- const struct list_head *, const struct list_head *);
-
__attribute__((nonnull(2,3)))
-void list_sort(void *priv, struct list_head *head, list_cmp_func_t cmp);
+void list_sort(void *priv, struct list_head *head,
+ int (*cmp)(void *priv, struct list_head *a,
+ struct list_head *b));
#endif
diff --git a/include/linux/log_mmiorw.h b/include/linux/log_mmiorw.h
new file mode 100644
index 0000000..a7cc101
--- /dev/null
+++ b/include/linux/log_mmiorw.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+#ifndef __LOG_MMIORW_H__
+#define __LOG_MMIORW_H__
+
+#include <linux/types.h>
+#include <linux/atomic.h>
+#include <linux/tracepoint-defs.h>
+
+/*
+ * TODO - io.h is included in NVHE files and these tracepoints are getting
+ * enabled for NVHE too. To avoid these tracepoints enabling in NHVE below
+ * condition is introduced.
+ * !(defined(__DISABLE_TRACE_MMIO__))
+ */
+#if IS_ENABLED(CONFIG_TRACE_MMIO_ACCESS) && !(defined(__DISABLE_TRACE_MMIO__))
+DECLARE_TRACEPOINT(rwmmio_write);
+DECLARE_TRACEPOINT(rwmmio_read);
+DECLARE_TRACEPOINT(rwmmio_post_read);
+
+void __log_write_mmio(u64 val, u8 width, volatile void __iomem *addr);
+void __log_read_mmio(u8 width, const volatile void __iomem *addr);
+void __log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr);
+
+#define log_write_mmio(val, width, addr) \
+do { \
+ if (tracepoint_enabled(rwmmio_write)) \
+ __log_write_mmio(val, width, addr); \
+} while (0)
+
+#define log_read_mmio(width, addr) \
+do { \
+ if (tracepoint_enabled(rwmmio_read)) \
+ __log_read_mmio(width, addr); \
+} while (0)
+
+#define log_post_read_mmio(val, width, addr) \
+do { \
+ if (tracepoint_enabled(rwmmio_post_read)) \
+ __log_post_read_mmio(val, width, addr); \
+} while (0)
+
+#else
+static inline void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr)
+{ }
+static inline void log_read_mmio(u8 width, const volatile void __iomem *addr)
+{ }
+static inline void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr)
+{ }
+#endif /* CONFIG_TRACE_MMIO_ACCESS */
+
+#endif /* __LOG_MMIORW_H__ */
diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h
index 28f23b3..91d6990 100644
--- a/include/linux/lsm_audit.h
+++ b/include/linux/lsm_audit.h
@@ -74,7 +74,6 @@ struct common_audit_data {
#define LSM_AUDIT_DATA_FILE 12
#define LSM_AUDIT_DATA_IBPKEY 13
#define LSM_AUDIT_DATA_IBENDPORT 14
-#define LSM_AUDIT_DATA_LOCKDOWN 15
#define LSM_AUDIT_DATA_NOTIFICATION 16
union {
struct path path;
@@ -95,7 +94,6 @@ struct common_audit_data {
struct file *file;
struct lsm_ibpkey_audit *ibpkey;
struct lsm_ibendport_audit *ibendport;
- int reason;
} u;
/* this union contains LSM specific data */
union {
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index a6a3d4d..37dc559 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -113,6 +113,8 @@ LSM_HOOK(void, LSM_RET_VOID, inode_free_security, struct inode *inode)
LSM_HOOK(int, 0, inode_init_security, struct inode *inode,
struct inode *dir, const struct qstr *qstr, const char **name,
void **value, size_t *len)
+LSM_HOOK(int, 0, inode_init_security_anon, struct inode *inode,
+ const struct qstr *name, const struct inode *context_inode)
LSM_HOOK(int, 0, inode_create, struct inode *dir, struct dentry *dentry,
umode_t mode)
LSM_HOOK(int, 0, inode_link, struct dentry *old_dentry, struct inode *dir,
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index a8531b3..0ad8aa6 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -233,6 +233,15 @@
* Returns 0 if @name and @value have been successfully set,
* -EOPNOTSUPP if no security attribute is needed, or
* -ENOMEM on memory allocation failure.
+ * @inode_init_security_anon:
+ * Set up the incore security field for the new anonymous inode
+ * and return whether the inode creation is permitted by the security
+ * module or not.
+ * @inode contains the inode structure
+ * @name name of the anonymous inode class
+ * @context_inode optional related inode
+ * Returns 0 on success, -EACCES if the security module denies the
+ * creation of this inode, or another -errno upon other errors.
* @inode_create:
* Check permission to create a regular file.
* @dir contains inode structure of the parent of the new file.
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 1a8d25f..2f288bc 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -404,13 +404,13 @@ void *memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align,
phys_addr_t min_addr, phys_addr_t max_addr,
int nid);
-static inline void * __init memblock_alloc(phys_addr_t size, phys_addr_t align)
+static __always_inline void *memblock_alloc(phys_addr_t size, phys_addr_t align)
{
return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE);
}
-static inline void * __init memblock_alloc_raw(phys_addr_t size,
+static inline void *memblock_alloc_raw(phys_addr_t size,
phys_addr_t align)
{
return memblock_alloc_try_nid_raw(size, align, MEMBLOCK_LOW_LIMIT,
@@ -418,7 +418,7 @@ static inline void * __init memblock_alloc_raw(phys_addr_t size,
NUMA_NO_NODE);
}
-static inline void * __init memblock_alloc_from(phys_addr_t size,
+static inline void *memblock_alloc_from(phys_addr_t size,
phys_addr_t align,
phys_addr_t min_addr)
{
@@ -426,33 +426,33 @@ static inline void * __init memblock_alloc_from(phys_addr_t size,
MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE);
}
-static inline void * __init memblock_alloc_low(phys_addr_t size,
+static inline void *memblock_alloc_low(phys_addr_t size,
phys_addr_t align)
{
return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
ARCH_LOW_ADDRESS_LIMIT, NUMA_NO_NODE);
}
-static inline void * __init memblock_alloc_node(phys_addr_t size,
+static inline void *memblock_alloc_node(phys_addr_t size,
phys_addr_t align, int nid)
{
return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
MEMBLOCK_ALLOC_ACCESSIBLE, nid);
}
-static inline void __init memblock_free_early(phys_addr_t base,
+static inline void memblock_free_early(phys_addr_t base,
phys_addr_t size)
{
memblock_free(base, size);
}
-static inline void __init memblock_free_early_nid(phys_addr_t base,
+static inline void memblock_free_early_nid(phys_addr_t base,
phys_addr_t size, int nid)
{
memblock_free(base, size);
}
-static inline void __init memblock_free_late(phys_addr_t base, phys_addr_t size)
+static inline void memblock_free_late(phys_addr_t base, phys_addr_t size)
{
__memblock_free_late(base, size);
}
@@ -460,7 +460,7 @@ static inline void __init memblock_free_late(phys_addr_t base, phys_addr_t size)
/*
* Set the allocation direction to bottom-up or top-down.
*/
-static inline void __init memblock_set_bottom_up(bool enable)
+static inline __init_memblock void memblock_set_bottom_up(bool enable)
{
memblock.bottom_up = enable;
}
@@ -470,7 +470,7 @@ static inline void __init memblock_set_bottom_up(bool enable)
* if this is true, that said, memblock will allocate memory
* in bottom-up direction.
*/
-static inline bool memblock_bottom_up(void)
+static inline __init_memblock bool memblock_bottom_up(void)
{
return memblock.bottom_up;
}
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 4b97511..860c902 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -331,6 +331,7 @@ struct mem_cgroup {
struct deferred_split deferred_split_queue;
#endif
+ ANDROID_OEM_DATA(1);
struct mem_cgroup_per_node *nodeinfo[0];
/* WARNING: nodeinfo must be the last member here */
};
@@ -441,10 +442,31 @@ static inline bool mem_cgroup_below_min(struct mem_cgroup *memcg)
page_counter_read(&memcg->memory);
}
-int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask);
+int __mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+ gfp_t gfp_mask);
+static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+ gfp_t gfp_mask)
+{
+ if (mem_cgroup_disabled())
+ return 0;
+ return __mem_cgroup_charge(page, mm, gfp_mask);
+}
-void mem_cgroup_uncharge(struct page *page);
-void mem_cgroup_uncharge_list(struct list_head *page_list);
+void __mem_cgroup_uncharge(struct page *page);
+static inline void mem_cgroup_uncharge(struct page *page)
+{
+ if (mem_cgroup_disabled())
+ return;
+ __mem_cgroup_uncharge(page);
+}
+
+void __mem_cgroup_uncharge_list(struct list_head *page_list);
+static inline void mem_cgroup_uncharge_list(struct list_head *page_list)
+{
+ if (mem_cgroup_disabled())
+ return;
+ __mem_cgroup_uncharge_list(page_list);
+}
void mem_cgroup_migrate(struct page *oldpage, struct page *newpage);
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 1dafc7c..892c26a 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -314,6 +314,7 @@ static inline void pgdat_resize_init(struct pglist_data *pgdat) {}
extern void try_offline_node(int nid);
extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages);
extern int remove_memory(int nid, u64 start, u64 size);
+extern int remove_memory_subsection(int nid, u64 start, u64 size);
extern void __remove_memory(int nid, u64 start, u64 size);
extern int offline_and_remove_memory(int nid, u64 start, u64 size);
@@ -340,6 +341,7 @@ extern void clear_zone_contiguous(struct zone *zone);
extern void __ref free_area_init_core_hotplug(int nid);
extern int __add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags);
extern int add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags);
+extern int add_memory_subsection(int nid, u64 start, u64 size);
extern int add_memory_resource(int nid, struct resource *resource,
mhp_t mhp_flags);
extern int add_memory_driver_managed(int nid, u64 start, u64 size,
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 0f8d158..8512469 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -45,8 +45,6 @@ extern struct page *alloc_migration_target(struct page *page, unsigned long priv
extern int isolate_movable_page(struct page *page, isolate_mode_t mode);
extern void putback_movable_page(struct page *page);
-extern int migrate_prep(void);
-extern int migrate_prep_local(void);
extern void migrate_page_states(struct page *newpage, struct page *page);
extern void migrate_page_copy(struct page *newpage, struct page *page);
extern int migrate_huge_page_move_mapping(struct address_space *mapping,
@@ -66,9 +64,6 @@ static inline struct page *alloc_migration_target(struct page *page,
static inline int isolate_movable_page(struct page *page, isolate_mode_t mode)
{ return -EBUSY; }
-static inline int migrate_prep(void) { return -ENOSYS; }
-static inline int migrate_prep_local(void) { return -ENOSYS; }
-
static inline void migrate_page_states(struct page *newpage, struct page *page)
{
}
@@ -102,14 +97,14 @@ static inline void __ClearPageMovable(struct page *page)
#ifdef CONFIG_NUMA_BALANCING
extern bool pmd_trans_migrating(pmd_t pmd);
extern int migrate_misplaced_page(struct page *page,
- struct vm_area_struct *vma, int node);
+ struct vm_fault *vmf, int node);
#else
static inline bool pmd_trans_migrating(pmd_t pmd)
{
return false;
}
static inline int migrate_misplaced_page(struct page *page,
- struct vm_area_struct *vma, int node)
+ struct vm_fault *vmf, int node)
{
return -EAGAIN; /* can't migrate now */
}
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 289c26f..ff79e25 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -31,6 +31,9 @@
#include <linux/sizes.h>
#include <linux/sched.h>
#include <linux/pgtable.h>
+#include <linux/kasan.h>
+#include <linux/page_pinner.h>
+#include <linux/android_kabi.h>
struct mempolicy;
struct anon_vma;
@@ -115,6 +118,14 @@ extern int mmap_rnd_compat_bits __read_mostly;
#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0))
#endif
+#ifndef __va_function
+#define __va_function(x) (x)
+#endif
+
+#ifndef __pa_function
+#define __pa_function(x) __pa_symbol(x)
+#endif
+
#ifndef page_to_virt
#define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x)))
#endif
@@ -354,6 +365,13 @@ extern unsigned int kobjsize(const void *objp);
# define VM_GROWSUP VM_NONE
#endif
+#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+# define VM_UFFD_MINOR_BIT 37
+# define VM_UFFD_MINOR BIT(VM_UFFD_MINOR_BIT) /* UFFD minor faults */
+#else /* !CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */
+# define VM_UFFD_MINOR VM_NONE
+#endif /* CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */
+
/* Bits set in the VMA until the stack is in its final location */
#define VM_STACK_INCOMPLETE_SETUP (VM_RAND_READ | VM_SEQ_READ)
@@ -456,6 +474,8 @@ extern pgprot_t protection_map[16];
#define FAULT_FLAG_REMOTE 0x80
#define FAULT_FLAG_INSTRUCTION 0x100
#define FAULT_FLAG_INTERRUPTIBLE 0x200
+/* Speculative fault, not holding mmap_sem */
+#define FAULT_FLAG_SPECULATIVE 0x400
/*
* The default fault flags that should be used by most of the
@@ -506,11 +526,18 @@ static inline bool fault_flag_allow_retry_first(unsigned int flags)
* pgoff should be used in favour of virtual_address, if possible.
*/
struct vm_fault {
- struct vm_area_struct *vma; /* Target VMA */
- unsigned int flags; /* FAULT_FLAG_xxx flags */
- gfp_t gfp_mask; /* gfp mask to be used for allocations */
- pgoff_t pgoff; /* Logical page offset based on vma */
- unsigned long address; /* Faulting virtual address */
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ unsigned int sequence;
+ pmd_t orig_pmd; /* value of PMD at the time of fault */
+#endif
+ const struct {
+ struct vm_area_struct *vma; /* Target VMA */
+ gfp_t gfp_mask; /* gfp mask to be used for allocations */
+ pgoff_t pgoff; /* Logical page offset based on vma */
+ unsigned long address; /* Faulting virtual address */
+ };
+ unsigned int flags; /* FAULT_FLAG_xxx flags
+ * XXX: should really be 'const' */
pmd_t *pmd; /* Pointer to pmd entry matching
* the 'address' */
pud_t *pud; /* Pointer to pud entry matching
@@ -534,12 +561,19 @@ struct vm_fault {
* is not NULL, otherwise pmd.
*/
pgtable_t prealloc_pte; /* Pre-allocated pte page table.
- * vm_ops->map_pages() calls
- * alloc_set_pte() from atomic context.
+ * vm_ops->map_pages() sets up a page
+ * table from atomic context.
* do_fault_around() pre-allocates
* page table to avoid allocation from
* atomic context.
*/
+ /*
+ * These entries are required when handling speculative page fault.
+ * This way the page handling is done using consistent field values.
+ */
+ unsigned long vma_flags;
+ pgprot_t vma_page_prot;
+ ANDROID_OEM_DATA_ARRAY(1, 2);
};
/* page entry size for vm->huge_fault() */
@@ -562,7 +596,7 @@ struct vm_operations_struct {
vm_fault_t (*fault)(struct vm_fault *vmf);
vm_fault_t (*huge_fault)(struct vm_fault *vmf,
enum page_entry_size pe_size);
- void (*map_pages)(struct vm_fault *vmf,
+ vm_fault_t (*map_pages)(struct vm_fault *vmf,
pgoff_t start_pgoff, pgoff_t end_pgoff);
unsigned long (*pagesize)(struct vm_area_struct * area);
@@ -614,8 +648,26 @@ struct vm_operations_struct {
*/
struct page *(*find_special_page)(struct vm_area_struct *vma,
unsigned long addr);
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ bool (*allow_speculation)(void);
+#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
+static inline void INIT_VMA(struct vm_area_struct *vma)
+{
+ INIT_LIST_HEAD(&vma->anon_vma_chain);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ seqcount_init(&vma->vm_sequence);
+ atomic_set(&vma->vm_ref_count, 1);
+#endif
+}
+
static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm)
{
static const struct vm_operations_struct dummy_vm_ops = {};
@@ -623,7 +675,7 @@ static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm)
memset(vma, 0, sizeof(*vma));
vma->vm_mm = mm;
vma->vm_ops = &dummy_vm_ops;
- INIT_LIST_HEAD(&vma->anon_vma_chain);
+ INIT_VMA(vma);
}
static inline void vma_set_anonymous(struct vm_area_struct *vma)
@@ -704,8 +756,13 @@ struct inode;
*/
static inline int put_page_testzero(struct page *page)
{
+ int ret;
+
VM_BUG_ON_PAGE(page_ref_count(page) == 0, page);
- return page_ref_dec_and_test(page);
+ ret = page_ref_dec_and_test(page);
+ page_pinner_put_page(page);
+
+ return ret;
}
/*
@@ -965,14 +1022,16 @@ void free_compound_page(struct page *page);
* pte_mkwrite. But get_user_pages can cause write faults for mappings
* that do not have writing enabled, when used by access_process_vm.
*/
-static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
+static inline pte_t maybe_mkwrite(pte_t pte, unsigned long vma_flags)
{
- if (likely(vma->vm_flags & VM_WRITE))
+ if (likely(vma_flags & VM_WRITE))
pte = pte_mkwrite(pte);
return pte;
}
-vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page);
+vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page);
+void do_set_pte(struct vm_fault *vmf, struct page *page, unsigned long addr);
+
vm_fault_t finish_fault(struct vm_fault *vmf);
vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf);
#endif
@@ -1227,6 +1286,7 @@ static inline void put_page(struct page *page)
*/
#define GUP_PIN_COUNTING_BIAS (1U << 10)
+void put_user_page(struct page *page);
void unpin_user_page(struct page *page);
void unpin_user_pages_dirty_lock(struct page **pages, unsigned long npages,
bool make_dirty);
@@ -1413,7 +1473,7 @@ static inline bool cpupid_match_pid(struct task_struct *task, int cpupid)
}
#endif /* CONFIG_NUMA_BALANCING */
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
/*
* KASAN per-page tags are stored xor'ed with 0xff. This allows to avoid
@@ -1423,26 +1483,33 @@ static inline bool cpupid_match_pid(struct task_struct *task, int cpupid)
static inline u8 page_kasan_tag(const struct page *page)
{
- u8 tag;
+ u8 tag = 0xff;
- tag = (page->flags >> KASAN_TAG_PGSHIFT) & KASAN_TAG_MASK;
- tag ^= 0xff;
+ if (kasan_enabled()) {
+ tag = (page->flags >> KASAN_TAG_PGSHIFT) & KASAN_TAG_MASK;
+ tag ^= 0xff;
+ }
return tag;
}
static inline void page_kasan_tag_set(struct page *page, u8 tag)
{
- tag ^= 0xff;
- page->flags &= ~(KASAN_TAG_MASK << KASAN_TAG_PGSHIFT);
- page->flags |= (tag & KASAN_TAG_MASK) << KASAN_TAG_PGSHIFT;
+ if (kasan_enabled()) {
+ tag ^= 0xff;
+ page->flags &= ~(KASAN_TAG_MASK << KASAN_TAG_PGSHIFT);
+ page->flags |= (tag & KASAN_TAG_MASK) << KASAN_TAG_PGSHIFT;
+ }
}
static inline void page_kasan_tag_reset(struct page *page)
{
- page_kasan_tag_set(page, 0xff);
+ if (kasan_enabled())
+ page_kasan_tag_set(page, 0xff);
}
-#else
+
+#else /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
+
static inline u8 page_kasan_tag(const struct page *page)
{
return 0xff;
@@ -1450,7 +1517,8 @@ static inline u8 page_kasan_tag(const struct page *page)
static inline void page_kasan_tag_set(struct page *page, u8 tag) { }
static inline void page_kasan_tag_reset(struct page *page) { }
-#endif
+
+#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS */
static inline struct zone *page_zone(const struct page *page)
{
@@ -1651,8 +1719,14 @@ struct zap_details {
struct page *single_page; /* Locked page to be unmapped */
};
-struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
- pte_t pte);
+struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
+ pte_t pte, unsigned long vma_flags);
+static inline struct page *vm_normal_page(struct vm_area_struct *vma,
+ unsigned long addr, pte_t pte)
+{
+ return _vm_normal_page(vma, addr, pte, vma->vm_flags);
+}
+
struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
pmd_t pmd);
@@ -1681,6 +1755,28 @@ int follow_phys(struct vm_area_struct *vma, unsigned long address,
int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
void *buf, int len, int write);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+static inline void vm_write_begin(struct vm_area_struct *vma)
+{
+ /*
+ * The reads never spins and preemption
+ * disablement is not required.
+ */
+ raw_write_seqcount_begin(&vma->vm_sequence);
+}
+static inline void vm_write_end(struct vm_area_struct *vma)
+{
+ raw_write_seqcount_end(&vma->vm_sequence);
+}
+#else
+static inline void vm_write_begin(struct vm_area_struct *vma)
+{
+}
+static inline void vm_write_end(struct vm_area_struct *vma)
+{
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
extern void truncate_pagecache(struct inode *inode, loff_t new);
extern void truncate_setsize(struct inode *inode, loff_t newsize);
void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to);
@@ -1696,6 +1792,46 @@ extern vm_fault_t handle_mm_fault(struct vm_area_struct *vma,
extern int fixup_user_fault(struct mm_struct *mm,
unsigned long address, unsigned int fault_flags,
bool *unlocked);
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+extern vm_fault_t __handle_speculative_fault(struct mm_struct *mm,
+ unsigned long address,
+ unsigned int flags,
+ struct vm_area_struct **vma,
+ struct pt_regs *regs);
+static inline vm_fault_t handle_speculative_fault(struct mm_struct *mm,
+ unsigned long address,
+ unsigned int flags,
+ struct vm_area_struct **vma,
+ struct pt_regs *regs)
+{
+ /*
+ * Try speculative page fault for multithreaded user space task only.
+ */
+ if (!(flags & FAULT_FLAG_USER) || atomic_read(&mm->mm_users) == 1) {
+ *vma = NULL;
+ return VM_FAULT_RETRY;
+ }
+ return __handle_speculative_fault(mm, address, flags, vma, regs);
+}
+extern bool can_reuse_spf_vma(struct vm_area_struct *vma,
+ unsigned long address);
+#else
+static inline vm_fault_t handle_speculative_fault(struct mm_struct *mm,
+ unsigned long address,
+ unsigned int flags,
+ struct vm_area_struct **vma,
+ struct pt_regs *regs)
+{
+ return VM_FAULT_RETRY;
+}
+static inline bool can_reuse_spf_vma(struct vm_area_struct *vma,
+ unsigned long address)
+{
+ return false;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
void unmap_mapping_page(struct page *page);
void unmap_mapping_pages(struct address_space *mapping,
pgoff_t start, pgoff_t nr, bool even_cows);
@@ -1901,27 +2037,28 @@ static inline unsigned long get_mm_counter(struct mm_struct *mm, int member)
return (unsigned long)val;
}
-void mm_trace_rss_stat(struct mm_struct *mm, int member, long count);
+void mm_trace_rss_stat(struct mm_struct *mm, int member, long count,
+ long value);
static inline void add_mm_counter(struct mm_struct *mm, int member, long value)
{
long count = atomic_long_add_return(value, &mm->rss_stat.count[member]);
- mm_trace_rss_stat(mm, member, count);
+ mm_trace_rss_stat(mm, member, count, value);
}
static inline void inc_mm_counter(struct mm_struct *mm, int member)
{
long count = atomic_long_inc_return(&mm->rss_stat.count[member]);
- mm_trace_rss_stat(mm, member, count);
+ mm_trace_rss_stat(mm, member, count, 1);
}
static inline void dec_mm_counter(struct mm_struct *mm, int member)
{
long count = atomic_long_dec_return(&mm->rss_stat.count[member]);
- mm_trace_rss_stat(mm, member, count);
+ mm_trace_rss_stat(mm, member, count, -1);
}
/* Optimized variant when page is already known not to be PageAnon */
@@ -2525,16 +2662,29 @@ void anon_vma_interval_tree_verify(struct anon_vma_chain *node);
extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);
extern int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert,
- struct vm_area_struct *expand);
+ struct vm_area_struct *expand, bool keep_locked);
static inline int vma_adjust(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert)
{
- return __vma_adjust(vma, start, end, pgoff, insert, NULL);
+ return __vma_adjust(vma, start, end, pgoff, insert, NULL, false);
}
-extern struct vm_area_struct *vma_merge(struct mm_struct *,
+
+extern struct vm_area_struct *__vma_merge(struct mm_struct *mm,
struct vm_area_struct *prev, unsigned long addr, unsigned long end,
- unsigned long vm_flags, struct anon_vma *, struct file *, pgoff_t,
- struct mempolicy *, struct vm_userfaultfd_ctx);
+ unsigned long vm_flags, struct anon_vma *anon, struct file *file,
+ pgoff_t pgoff, struct mempolicy *mpol, struct vm_userfaultfd_ctx uff,
+ const char __user *user, bool keep_locked);
+
+static inline struct vm_area_struct *vma_merge(struct mm_struct *mm,
+ struct vm_area_struct *prev, unsigned long addr, unsigned long end,
+ unsigned long vm_flags, struct anon_vma *anon, struct file *file,
+ pgoff_t off, struct mempolicy *pol, struct vm_userfaultfd_ctx uff,
+ const char __user *user)
+{
+ return __vma_merge(mm, prev, addr, end, vm_flags, anon, file, off,
+ pol, uff, user, false);
+}
+
extern struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *);
extern int __split_vma(struct mm_struct *, struct vm_area_struct *,
unsigned long addr, int new_below);
@@ -2640,9 +2790,12 @@ extern void truncate_inode_pages_final(struct address_space *);
/* generic vm_area_ops exported for stackable file systems */
extern vm_fault_t filemap_fault(struct vm_fault *vmf);
-extern void filemap_map_pages(struct vm_fault *vmf,
+extern vm_fault_t filemap_map_pages(struct vm_fault *vmf,
pgoff_t start_pgoff, pgoff_t end_pgoff);
extern vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+extern bool filemap_allow_speculation(void);
+#endif
/* mm/page-writeback.c */
int __must_check write_one_page(struct page *page);
@@ -2893,44 +3046,56 @@ extern int apply_to_existing_page_range(struct mm_struct *mm,
unsigned long address, unsigned long size,
pte_fn_t fn, void *data);
+extern void init_mem_debugging_and_hardening(void);
#ifdef CONFIG_PAGE_POISONING
-extern bool page_poisoning_enabled(void);
-extern void kernel_poison_pages(struct page *page, int numpages, int enable);
+extern void __kernel_poison_pages(struct page *page, int numpages);
+extern void __kernel_unpoison_pages(struct page *page, int numpages);
+extern bool _page_poisoning_enabled_early;
+DECLARE_STATIC_KEY_FALSE(_page_poisoning_enabled);
+static inline bool page_poisoning_enabled(void)
+{
+ return _page_poisoning_enabled_early;
+}
+/*
+ * For use in fast paths after init_mem_debugging() has run, or when a
+ * false negative result is not harmful when called too early.
+ */
+static inline bool page_poisoning_enabled_static(void)
+{
+ return static_branch_unlikely(&_page_poisoning_enabled);
+}
+static inline void kernel_poison_pages(struct page *page, int numpages)
+{
+ if (page_poisoning_enabled_static())
+ __kernel_poison_pages(page, numpages);
+}
+static inline void kernel_unpoison_pages(struct page *page, int numpages)
+{
+ if (page_poisoning_enabled_static())
+ __kernel_unpoison_pages(page, numpages);
+}
#else
static inline bool page_poisoning_enabled(void) { return false; }
-static inline void kernel_poison_pages(struct page *page, int numpages,
- int enable) { }
+static inline bool page_poisoning_enabled_static(void) { return false; }
+static inline void __kernel_poison_pages(struct page *page, int nunmpages) { }
+static inline void kernel_poison_pages(struct page *page, int numpages) { }
+static inline void kernel_unpoison_pages(struct page *page, int numpages) { }
#endif
-#ifdef CONFIG_INIT_ON_ALLOC_DEFAULT_ON
-DECLARE_STATIC_KEY_TRUE(init_on_alloc);
-#else
DECLARE_STATIC_KEY_FALSE(init_on_alloc);
-#endif
static inline bool want_init_on_alloc(gfp_t flags)
{
- if (static_branch_unlikely(&init_on_alloc) &&
- !page_poisoning_enabled())
+ if (static_branch_unlikely(&init_on_alloc))
return true;
return flags & __GFP_ZERO;
}
-#ifdef CONFIG_INIT_ON_FREE_DEFAULT_ON
-DECLARE_STATIC_KEY_TRUE(init_on_free);
-#else
DECLARE_STATIC_KEY_FALSE(init_on_free);
-#endif
static inline bool want_init_on_free(void)
{
- return static_branch_unlikely(&init_on_free) &&
- !page_poisoning_enabled();
+ return static_branch_unlikely(&init_on_free);
}
-#ifdef CONFIG_DEBUG_PAGEALLOC
-extern void init_debug_pagealloc(void);
-#else
-static inline void init_debug_pagealloc(void) {}
-#endif
extern bool _debug_pagealloc_enabled_early;
DECLARE_STATIC_KEY_FALSE(_debug_pagealloc_enabled);
@@ -2964,12 +3129,27 @@ kernel_map_pages(struct page *page, int numpages, int enable)
{
__kernel_map_pages(page, numpages, enable);
}
+
+static inline void debug_pagealloc_map_pages(struct page *page, int numpages)
+{
+ if (debug_pagealloc_enabled_static())
+ __kernel_map_pages(page, numpages, 1);
+}
+
+static inline void debug_pagealloc_unmap_pages(struct page *page, int numpages)
+{
+ if (debug_pagealloc_enabled_static())
+ __kernel_map_pages(page, numpages, 0);
+}
+
#ifdef CONFIG_HIBERNATION
extern bool kernel_page_present(struct page *page);
#endif /* CONFIG_HIBERNATION */
#else /* CONFIG_DEBUG_PAGEALLOC || CONFIG_ARCH_HAS_SET_DIRECT_MAP */
static inline void
kernel_map_pages(struct page *page, int numpages, int enable) {}
+static inline void debug_pagealloc_map_pages(struct page *page, int numpages) {}
+static inline void debug_pagealloc_unmap_pages(struct page *page, int numpages) {}
#ifdef CONFIG_HIBERNATION
static inline bool kernel_page_present(struct page *page) { return true; }
#endif /* CONFIG_HIBERNATION */
@@ -3180,6 +3360,9 @@ unsigned long wp_shared_mapping_range(struct address_space *mapping,
#endif
extern int sysctl_nr_trim_pages;
+extern bool pte_map_lock_addr(struct vm_fault *vmf, unsigned long addr);
+extern int reclaim_shmem_address_space(struct address_space *mapping);
+extern int reclaim_pages_from_list(struct list_head *page_list);
/**
* seal_check_future_write - Check for F_SEAL_FUTURE_WRITE flag and handle it
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 4eb3891..c853f61 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -15,6 +15,7 @@
#include <linux/page-flags-layout.h>
#include <linux/workqueue.h>
#include <linux/seqlock.h>
+#include <linux/android_kabi.h>
#include <asm/mmu.h>
@@ -338,11 +339,18 @@ struct vm_area_struct {
/*
* For areas with an address space and backing store,
* linkage into the address_space->i_mmap interval tree.
+ *
+ * For private anonymous mappings, a pointer to a null terminated string
+ * in the user process containing the name given to the vma, or NULL
+ * if unnamed.
*/
- struct {
- struct rb_node rb;
- unsigned long rb_subtree_last;
- } shared;
+ union {
+ struct {
+ struct rb_node rb;
+ unsigned long rb_subtree_last;
+ } shared;
+ const char __user *anon_name;
+ };
/*
* A file's MAP_PRIVATE vma can be in both i_mmap tree and anon_vma
@@ -373,6 +381,15 @@ struct vm_area_struct {
struct mempolicy *vm_policy; /* NUMA policy for the VMA */
#endif
struct vm_userfaultfd_ctx vm_userfaultfd_ctx;
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ seqcount_t vm_sequence;
+ atomic_t vm_ref_count; /* see vma_get(), vma_put() */
+#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
struct core_thread {
@@ -392,6 +409,9 @@ struct mm_struct {
struct vm_area_struct *mmap; /* list of VMAs */
struct rb_root mm_rb;
u64 vmacache_seqnum; /* per-thread vmacache */
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ rwlock_t mm_rb_lock;
+#endif
#ifdef CONFIG_MMU
unsigned long (*get_unmapped_area) (struct file *filp,
unsigned long addr, unsigned long len,
@@ -578,6 +598,8 @@ struct mm_struct {
#ifdef CONFIG_IOMMU_SUPPORT
u32 pasid;
#endif
+
+ ANDROID_KABI_RESERVE(1);
} __randomize_layout;
/*
@@ -742,6 +764,7 @@ enum vm_fault_reason {
VM_FAULT_FALLBACK = (__force vm_fault_t)0x000800,
VM_FAULT_DONE_COW = (__force vm_fault_t)0x001000,
VM_FAULT_NEEDDSYNC = (__force vm_fault_t)0x002000,
+ VM_FAULT_PTNOTSAME = (__force vm_fault_t)0x004000,
VM_FAULT_HINDEX_MASK = (__force vm_fault_t)0x0f0000,
};
@@ -808,4 +831,13 @@ typedef struct {
unsigned long val;
} swp_entry_t;
+/* Return the name for an anonymous mapping or NULL for a file-backed mapping */
+static inline const char __user *vma_get_anon_name(struct vm_area_struct *vma)
+{
+ if (vma->vm_file)
+ return NULL;
+
+ return vma->anon_name;
+}
+
#endif /* _LINUX_MM_TYPES_H */
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 42df06c..bb62eae 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -9,6 +9,7 @@
#include <linux/device.h>
#include <linux/mod_devicetable.h>
+#include <linux/android_kabi.h>
struct mmc_cid {
unsigned int manfid;
@@ -236,6 +237,8 @@ struct mmc_part {
#define MMC_BLK_DATA_AREA_BOOT (1<<1)
#define MMC_BLK_DATA_AREA_GP (1<<2)
#define MMC_BLK_DATA_AREA_RPMB (1<<3)
+
+ ANDROID_KABI_RESERVE(1);
};
/*
@@ -313,6 +316,10 @@ struct mmc_card {
unsigned int bouncesz; /* Bounce buffer size */
struct workqueue_struct *complete_wq; /* Private workqueue */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_VENDOR_DATA(1);
};
static inline bool mmc_large_sector(struct mmc_card *card)
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 29aa507..71101d1 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -162,6 +162,11 @@ struct mmc_request {
bool cap_cmd_during_tfr;
int tag;
+
+#ifdef CONFIG_MMC_CRYPTO
+ const struct bio_crypt_ctx *crypto_ctx;
+ int crypto_key_slot;
+#endif
};
struct mmc_card;
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 40d7e98..6fa9e47 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -15,6 +15,10 @@
#include <linux/mmc/card.h>
#include <linux/mmc/pm.h>
#include <linux/dma-direction.h>
+#include <linux/keyslot-manager.h>
+#include <linux/android_kabi.h>
+
+#include <linux/android_vendor.h>
struct mmc_ios {
unsigned int clock; /* clock rate */
@@ -173,6 +177,9 @@ struct mmc_host_ops {
*/
int (*multi_io_quirk)(struct mmc_card *card,
unsigned int direction, int blk_size);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct mmc_cqe_ops {
@@ -217,6 +224,9 @@ struct mmc_cqe_ops {
* will have zero data bytes transferred.
*/
void (*cqe_recovery_finish)(struct mmc_host *host);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct mmc_async_req {
@@ -243,6 +253,7 @@ struct mmc_async_req {
struct mmc_slot {
int cd_irq;
bool cd_wake_enabled;
+ ANDROID_OEM_DATA_ARRAY(1, 2);
void *handler_priv;
};
@@ -374,6 +385,11 @@ struct mmc_host {
#define MMC_CAP2_CQE_DCMD (1 << 24) /* CQE can issue a direct command */
#define MMC_CAP2_AVOID_3_3V (1 << 25) /* Host must negotiate down from 3.3V */
#define MMC_CAP2_MERGE_CAPABLE (1 << 26) /* Host can merge a segment over the segment size */
+#ifdef CONFIG_MMC_CRYPTO
+#define MMC_CAP2_CRYPTO (1 << 27) /* Host supports inline encryption */
+#else
+#define MMC_CAP2_CRYPTO 0
+#endif
int fixed_drv_type; /* fixed driver type for non-removable media */
@@ -468,9 +484,19 @@ struct mmc_host {
bool cqe_enabled;
bool cqe_on;
+ /* Inline encryption support */
+#ifdef CONFIG_MMC_CRYPTO
+ struct blk_keyslot_manager ksm;
+#endif
+
/* Host Software Queue support */
bool hsq_enabled;
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_VENDOR_DATA(1);
+ ANDROID_OEM_DATA(1);
+
unsigned long private[] ____cacheline_aligned;
};
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index d9a65c6..2884634 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -449,4 +449,13 @@ static inline bool mmc_ready_for_data(u32 status)
#define mmc_driver_type_mask(n) (1 << (n))
+struct mmc_card;
+
+extern int mmc_select_bus_width(struct mmc_card *card);
+extern int mmc_select_hs(struct mmc_card *card);
+extern int mmc_select_hs_ddr(struct mmc_card *card);
+extern int mmc_select_hs400(struct mmc_card *card);
+extern int mmc_hs200_tuning(struct mmc_card *card);
+extern int mmc_select_timing(struct mmc_card *card);
+
#endif /* LINUX_MMC_MMC_H */
diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h
index 3549f80..1d554b8 100644
--- a/include/linux/mmc/pm.h
+++ b/include/linux/mmc/pm.h
@@ -23,5 +23,6 @@ typedef unsigned int mmc_pm_flag_t;
#define MMC_PM_KEEP_POWER (1 << 0) /* preserve card power during suspend */
#define MMC_PM_WAKE_SDIO_IRQ (1 << 1) /* wake up host system on SDIO IRQ assertion */
+#define MMC_PM_IGNORE_PM_NOTIFY (1 << 2) /* ignore mmc pm notify */
#endif /* LINUX_MMC_PM_H */
diff --git a/include/linux/mmu_context.h b/include/linux/mmu_context.h
index 03dee12..bc4ac3c 100644
--- a/include/linux/mmu_context.h
+++ b/include/linux/mmu_context.h
@@ -14,4 +14,12 @@
static inline void leave_mm(int cpu) { }
#endif
+/*
+ * CPUs that are capable of running task @p. By default, we assume a sane,
+ * homogeneous system. Must contain at least one active CPU.
+ */
+#ifndef task_cpu_possible_mask
+# define task_cpu_possible_mask(p) cpu_possible_mask
+#endif
+
#endif
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index 1a6a9eb..a7255f5 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -8,6 +8,7 @@
#include <linux/mmap_lock.h>
#include <linux/srcu.h>
#include <linux/interval_tree.h>
+#include <linux/android_kabi.h>
struct mmu_notifier_subscriptions;
struct mmu_notifier;
@@ -215,6 +216,11 @@ struct mmu_notifier_ops {
*/
struct mmu_notifier *(*alloc_notifier)(struct mm_struct *mm);
void (*free_notifier)(struct mmu_notifier *subscription);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/*
@@ -234,6 +240,9 @@ struct mmu_notifier {
struct mm_struct *mm;
struct rcu_head rcu;
unsigned int users;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 63b5504..625507e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -20,6 +20,7 @@
#include <linux/atomic.h>
#include <linux/mm_types.h>
#include <linux/page-flags.h>
+#include <linux/android_kabi.h>
#include <asm/page.h>
/* Free memory management - zoned buddy allocator. */
@@ -38,12 +39,12 @@
*/
#define PAGE_ALLOC_COSTLY_ORDER 3
+#define MAX_KSWAPD_THREADS 16
+
enum migratetype {
MIGRATE_UNMOVABLE,
MIGRATE_MOVABLE,
MIGRATE_RECLAIMABLE,
- MIGRATE_PCPTYPES, /* the number of types on the pcp lists */
- MIGRATE_HIGHATOMIC = MIGRATE_PCPTYPES,
#ifdef CONFIG_CMA
/*
* MIGRATE_CMA migration type is designed to mimic the way
@@ -60,6 +61,8 @@ enum migratetype {
*/
MIGRATE_CMA,
#endif
+ MIGRATE_PCPTYPES, /* the number of types on the pcp lists */
+ MIGRATE_HIGHATOMIC = MIGRATE_PCPTYPES,
#ifdef CONFIG_MEMORY_ISOLATION
MIGRATE_ISOLATE, /* can't allocate from here */
#endif
@@ -72,9 +75,11 @@ extern const char * const migratetype_names[MIGRATE_TYPES];
#ifdef CONFIG_CMA
# define is_migrate_cma(migratetype) unlikely((migratetype) == MIGRATE_CMA)
# define is_migrate_cma_page(_page) (get_pageblock_migratetype(_page) == MIGRATE_CMA)
+# define get_cma_migrate_type() MIGRATE_CMA
#else
# define is_migrate_cma(migratetype) false
# define is_migrate_cma_page(_page) false
+# define get_cma_migrate_type() MIGRATE_MOVABLE
#endif
static inline bool is_migrate_movable(int mt)
@@ -155,9 +160,7 @@ enum zone_stat_item {
NR_PAGETABLE, /* used for pagetables */
/* Second 128 byte cacheline */
NR_BOUNCE,
-#if IS_ENABLED(CONFIG_ZSMALLOC)
NR_ZSPAGES, /* allocated in zsmalloc */
-#endif
NR_FREE_CMA_PAGES,
NR_VM_ZONE_STAT_ITEMS };
@@ -476,6 +479,9 @@ struct zone {
* bootmem allocator):
* managed_pages = present_pages - reserved_pages;
*
+ * cma pages is present pages that are assigned for CMA use
+ * (MIGRATE_CMA).
+ *
* So present_pages may be used by memory hotplug or memory power
* management logic to figure out unmanaged pages by checking
* (present_pages - managed_pages). And managed_pages should be used
@@ -500,6 +506,9 @@ struct zone {
atomic_long_t managed_pages;
unsigned long spanned_pages;
unsigned long present_pages;
+#ifdef CONFIG_CMA
+ unsigned long cma_pages;
+#endif
const char *name;
@@ -573,6 +582,11 @@ struct zone {
/* Zone statistics */
atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS];
atomic_long_t vm_numa_stat[NR_VM_NUMA_STAT_ITEMS];
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} ____cacheline_internodealigned_in_smp;
enum pgdat_flags {
@@ -597,6 +611,15 @@ static inline unsigned long zone_managed_pages(struct zone *zone)
return (unsigned long)atomic_long_read(&zone->managed_pages);
}
+static inline unsigned long zone_cma_pages(struct zone *zone)
+{
+#ifdef CONFIG_CMA
+ return zone->cma_pages;
+#else
+ return 0;
+#endif
+}
+
static inline unsigned long zone_end_pfn(const struct zone *zone)
{
return zone->zone_start_pfn + zone->spanned_pages;
@@ -749,16 +772,19 @@ typedef struct pglist_data {
wait_queue_head_t pfmemalloc_wait;
struct task_struct *kswapd; /* Protected by
mem_hotplug_begin/end() */
+ struct task_struct *mkswapd[MAX_KSWAPD_THREADS];
int kswapd_order;
enum zone_type kswapd_highest_zoneidx;
int kswapd_failures; /* Number of 'reclaimed == 0' runs */
+ ANDROID_OEM_DATA(1);
#ifdef CONFIG_COMPACTION
int kcompactd_max_order;
enum zone_type kcompactd_highest_zoneidx;
wait_queue_head_t kcompactd_wait;
struct task_struct *kcompactd;
+ bool proactive_compact_trigger;
#endif
/*
* This is a per-node reserve of pages that are not available
@@ -990,6 +1016,7 @@ extern struct pglist_data contig_page_data;
extern struct pglist_data *first_online_pgdat(void);
extern struct pglist_data *next_online_pgdat(struct pglist_data *pgdat);
extern struct zone *next_zone(struct zone *zone);
+extern int isolate_anon_lru_page(struct page *page);
/**
* for_each_online_pgdat - helper macro to iterate over all online nodes
diff --git a/include/linux/module.h b/include/linux/module.h
index 6264617..4fa2f7d 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -26,6 +26,8 @@
#include <linux/tracepoint-defs.h>
#include <linux/srcu.h>
#include <linux/static_call_types.h>
+#include <linux/cfi.h>
+#include <linux/android_kabi.h>
#include <linux/percpu.h>
#include <asm/module.h>
@@ -131,13 +133,17 @@ extern void cleanup_module(void);
#define module_init(initfn) \
static inline initcall_t __maybe_unused __inittest(void) \
{ return initfn; } \
- int init_module(void) __copy(initfn) __attribute__((alias(#initfn)));
+ int init_module(void) __copy(initfn) \
+ __attribute__((alias(#initfn))); \
+ __CFI_ADDRESSABLE(init_module)
/* This is only required if you want to be unloadable. */
#define module_exit(exitfn) \
static inline exitcall_t __maybe_unused __exittest(void) \
{ return exitfn; } \
- void cleanup_module(void) __copy(exitfn) __attribute__((alias(#exitfn)));
+ void cleanup_module(void) __copy(exitfn) \
+ __attribute__((alias(#exitfn))); \
+ __CFI_ADDRESSABLE(cleanup_module)
#endif
@@ -372,6 +378,7 @@ struct module {
struct module_attribute *modinfo_attrs;
const char *version;
const char *srcversion;
+ const char *scmversion;
struct kobject *holders_dir;
/* Exported symbols */
@@ -379,6 +386,10 @@ struct module {
const s32 *crcs;
unsigned int num_syms;
+#ifdef CONFIG_CFI_CLANG
+ cfi_check_fn cfi_check;
+#endif
+
/* Kernel parameters. */
#ifdef CONFIG_SYSFS
struct mutex param_lock;
@@ -404,10 +415,12 @@ struct module {
const s32 *unused_gpl_crcs;
#endif
-#ifdef CONFIG_MODULE_SIG
- /* Signature was verified. */
+ /*
+ * Signature was verified. Unconditionally compiled in Android to
+ * preserve ABI compatibility between kernels without module
+ * signing enabled and signed modules.
+ */
bool sig_ok;
-#endif
bool async_probe_requested;
@@ -534,6 +547,10 @@ struct module {
struct error_injection_entry *ei_funcs;
unsigned int num_ei_funcs;
#endif
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} ____cacheline_aligned __randomize_layout;
#ifndef MODULE_ARCH_INIT
#define MODULE_ARCH_INIT {}
diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
index 4fa67a8..9e09d11 100644
--- a/include/linux/moduleloader.h
+++ b/include/linux/moduleloader.h
@@ -96,7 +96,8 @@ void module_arch_cleanup(struct module *mod);
/* Any cleanup before freeing mod->module_init */
void module_arch_freeing_init(struct module *mod);
-#if defined(CONFIG_KASAN) && !defined(CONFIG_KASAN_VMALLOC)
+#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
+ !defined(CONFIG_KASAN_VMALLOC)
#include <linux/kasan.h>
#define MODULE_ALIGN (PAGE_SIZE << KASAN_SHADOW_SCALE_SHIFT)
#else
diff --git a/include/linux/mount.h b/include/linux/mount.h
index aaf343b..2f64e66 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -16,6 +16,7 @@
#include <linux/spinlock.h>
#include <linux/seqlock.h>
#include <linux/atomic.h>
+#include <linux/android_kabi.h>
struct super_block;
struct vfsmount;
@@ -72,6 +73,11 @@ struct vfsmount {
struct dentry *mnt_root; /* root of the mounted tree */
struct super_block *mnt_sb; /* pointer to superblock */
int mnt_flags;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
struct file; /* forward dec */
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 70c910b..2a3e997 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -194,7 +194,7 @@ void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag);
-void __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
+u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag);
void pci_msi_mask_irq(struct irq_data *data);
void pci_msi_unmask_irq(struct irq_data *data);
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 4d671fb..05165a61 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -19,6 +19,7 @@
#include <asm/processor.h>
#include <linux/osq_lock.h>
#include <linux/debug_locks.h>
+#include <linux/android_vendor.h>
struct ww_acquire_ctx;
@@ -63,6 +64,7 @@ struct mutex {
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
#endif
+ ANDROID_OEM_DATA_ARRAY(1, 2);
};
struct ww_class;
diff --git a/include/linux/net.h b/include/linux/net.h
index 0dcd51f..f5569fa 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -23,6 +23,7 @@
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/sockptr.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/net.h>
@@ -203,6 +204,11 @@ struct proto_ops {
int (*sendmsg_locked)(struct sock *sk, struct msghdr *msg,
size_t size);
int (*set_rcvlowat)(struct sock *sk, int val);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define DECLARE_SOCKADDR(type, dst, src) \
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 3476d20..31f54e8 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -48,6 +48,7 @@
#include <uapi/linux/if_bonding.h>
#include <uapi/linux/pkt_cls.h>
#include <linux/hashtable.h>
+#include <linux/android_kabi.h>
struct netpoll_info;
struct device;
@@ -278,6 +279,9 @@ struct header_ops {
const unsigned char *haddr);
bool (*validate)(const char *ll_header, unsigned int len);
__be16 (*parse_protocol)(const struct sk_buff *skb);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/* These flag bits are private to the generic network queueing
@@ -347,6 +351,11 @@ struct napi_struct {
struct list_head dev_list;
struct hlist_node napi_hash_node;
unsigned int napi_id;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
enum {
@@ -621,6 +630,11 @@ struct netdev_queue {
#ifdef CONFIG_BQL
struct dql dql;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} ____cacheline_aligned_in_smp;
extern int sysctl_fb_tunnels_only_for_init_net;
@@ -744,6 +758,11 @@ struct netdev_rx_queue {
#ifdef CONFIG_XDP_SOCKETS
struct xsk_buff_pool *pool;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} ____cacheline_aligned_in_smp;
/*
@@ -924,6 +943,11 @@ struct xfrmdev_ops {
bool (*xdo_dev_offload_ok) (struct sk_buff *skb,
struct xfrm_state *x);
void (*xdo_dev_state_advance_esn) (struct xfrm_state *x);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#endif
@@ -1487,6 +1511,15 @@ struct net_device_ops {
int (*ndo_tunnel_ctl)(struct net_device *dev,
struct ip_tunnel_parm *p, int cmd);
struct net_device * (*ndo_get_peer_dev)(struct net_device *dev);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+ ANDROID_KABI_RESERVE(5);
+ ANDROID_KABI_RESERVE(6);
+ ANDROID_KABI_RESERVE(7);
+ ANDROID_KABI_RESERVE(8);
};
/**
@@ -2173,6 +2206,15 @@ struct net_device {
/* protected by rtnl_lock */
struct bpf_xdp_entity xdp_state[__MAX_XDP_MODE];
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+ ANDROID_KABI_RESERVE(5);
+ ANDROID_KABI_RESERVE(6);
+ ANDROID_KABI_RESERVE(7);
+ ANDROID_KABI_RESERVE(8);
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
@@ -2545,6 +2587,11 @@ struct packet_type {
struct sock *sk);
void *af_packet_priv;
struct list_head list;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct offload_callbacks {
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 0101747d..a12c285 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -14,6 +14,7 @@
#include <linux/netfilter_defs.h>
#include <linux/netdevice.h>
#include <linux/sockptr.h>
+#include <linux/android_kabi.h>
#include <net/net_namespace.h>
static inline int NF_DROP_GETERR(int verdict)
@@ -171,6 +172,8 @@ struct nf_sockopt_ops {
int (*get)(struct sock *sk, int optval, void __user *user, int *len);
/* Use the module struct to lock set/get code in place */
struct module *owner;
+
+ ANDROID_KABI_RESERVE(1);
};
/* Function to register/unregister hook points. */
@@ -373,6 +376,8 @@ struct nf_nat_hook {
unsigned int (*manip_pkt)(struct sk_buff *skb, struct nf_conn *ct,
enum nf_nat_manip_type mtype,
enum ip_conntrack_dir dir);
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct nf_nat_hook __rcu *nf_nat_hook;
@@ -457,6 +462,8 @@ struct nf_ct_hook {
void (*destroy)(struct nf_conntrack *);
bool (*get_tuple_skb)(struct nf_conntrack_tuple *,
const struct sk_buff *);
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct nf_ct_hook __rcu *nf_ct_hook;
@@ -474,6 +481,8 @@ struct nfnl_ct_hook {
u32 portid, u32 report);
void (*seq_adjust)(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo, s32 off);
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct nfnl_ct_hook __rcu *nfnl_ct_hook;
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index ab19272..5206d09 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -14,6 +14,7 @@
#include <linux/netfilter/x_tables.h>
#include <linux/stringify.h>
#include <linux/vmalloc.h>
+#include <linux/android_kabi.h>
#include <net/netlink.h>
#include <uapi/linux/netfilter/ipset/ip_set.h>
@@ -190,6 +191,8 @@ struct ip_set_type_variant {
bool (*same_set)(const struct ip_set *a, const struct ip_set *b);
/* Region-locking is used */
bool region_lock;
+
+ ANDROID_KABI_RESERVE(1);
};
struct ip_set_region {
@@ -228,6 +231,8 @@ struct ip_set_type {
/* Set this to THIS_MODULE if you are a module, otherwise NULL */
struct module *me;
+
+ ANDROID_KABI_RESERVE(1);
};
/* register and unregister set type */
@@ -270,6 +275,8 @@ struct ip_set {
size_t offset[IPSET_EXT_ID_MAX];
/* The type specific data */
void *data;
+
+ ANDROID_KABI_RESERVE(1);
};
static inline void
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index f6267e2..15775bc 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -4,6 +4,7 @@
#include <linux/netlink.h>
#include <linux/capability.h>
+#include <linux/android_kabi.h>
#include <net/netlink.h>
#include <uapi/linux/netfilter/nfnetlink.h>
@@ -22,6 +23,8 @@ struct nfnl_callback {
struct netlink_ext_ack *extack);
const struct nla_policy *policy; /* netlink attribute policy */
const u_int16_t attr_count; /* number of nlattr's */
+
+ ANDROID_KABI_RESERVE(1);
};
enum nfnl_abort_action {
@@ -41,6 +44,8 @@ struct nfnetlink_subsystem {
enum nfnl_abort_action action);
void (*cleanup)(struct net *net);
bool (*valid_genid)(struct net *net, u32 genid);
+
+ ANDROID_KABI_RESERVE(1);
};
int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n);
diff --git a/include/linux/netfilter/xt_quota2.h b/include/linux/netfilter/xt_quota2.h
new file mode 100644
index 0000000..a391871
--- /dev/null
+++ b/include/linux/netfilter/xt_quota2.h
@@ -0,0 +1,26 @@
+#ifndef _XT_QUOTA_H
+#define _XT_QUOTA_H
+#include <linux/types.h>
+
+enum xt_quota_flags {
+ XT_QUOTA_INVERT = 1 << 0,
+ XT_QUOTA_GROW = 1 << 1,
+ XT_QUOTA_PACKET = 1 << 2,
+ XT_QUOTA_NO_CHANGE = 1 << 3,
+ XT_QUOTA_MASK = 0x0F,
+};
+
+struct xt_quota_counter;
+
+struct xt_quota_mtinfo2 {
+ char name[15];
+ u_int8_t flags;
+
+ /* Comparison-invariant */
+ aligned_u64 quota;
+
+ /* Used internally by the kernel */
+ struct xt_quota_counter *master __attribute__((aligned(8)));
+};
+
+#endif /* _XT_QUOTA_H */
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 48314ad..c3d17fe 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -7,6 +7,7 @@
#ifndef __LINUX_IP6_NETFILTER_H
#define __LINUX_IP6_NETFILTER_H
+#include <linux/android_kabi.h>
#include <uapi/linux/netfilter_ipv6.h>
#include <net/tcp.h>
@@ -65,6 +66,8 @@ struct nf_ipv6_ops {
const struct nf_bridge_frag_data *data,
struct sk_buff *));
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
#ifdef CONFIG_NETFILTER
diff --git a/include/linux/of.h b/include/linux/of.h
index 0f4e81e..16db9ba 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -108,7 +108,7 @@ static inline void of_node_init(struct device_node *node)
#if defined(CONFIG_OF_KOBJ)
kobject_init(&node->kobj, &of_node_ktype);
#endif
- node->fwnode.ops = &of_fwnode_ops;
+ fwnode_init(&node->fwnode, &of_fwnode_ops);
}
#if defined(CONFIG_OF_KOBJ)
@@ -931,6 +931,11 @@ static inline int of_machine_is_compatible(const char *compat)
return 0;
}
+static inline int of_add_property(struct device_node *np, struct property *prop)
+{
+ return 0;
+}
+
static inline int of_remove_property(struct device_node *np, struct property *prop)
{
return 0;
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
index acf820e..9bbd5c0 100644
--- a/include/linux/of_fdt.h
+++ b/include/linux/of_fdt.h
@@ -58,6 +58,27 @@ extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
extern unsigned long of_get_flat_dt_root(void);
extern uint32_t of_get_flat_dt_phandle(unsigned long node);
+/*
+ * early_init_dt_scan_chosen - scan the device tree for ramdisk and bootargs
+ *
+ * The boot arguments will be placed into the memory pointed to by @data.
+ * That memory should be COMMAND_LINE_SIZE big and initialized to be a valid
+ * (possibly empty) string. Logic for what will be in @data after this
+ * function finishes:
+ *
+ * - CONFIG_CMDLINE_FORCE=true
+ * CONFIG_CMDLINE
+ * - CONFIG_CMDLINE_EXTEND=true, @data is non-empty string
+ * @data + dt bootargs (even if dt bootargs are empty)
+ * - CONFIG_CMDLINE_EXTEND=true, @data is empty string
+ * CONFIG_CMDLINE + dt bootargs (even if dt bootargs are empty)
+ * - CMDLINE_FROM_BOOTLOADER=true, dt bootargs=non-empty:
+ * dt bootargs
+ * - CMDLINE_FROM_BOOTLOADER=true, dt bootargs=empty, @data is non-empty string
+ * @data is left unchanged
+ * - CMDLINE_FROM_BOOTLOADER=true, dt bootargs=empty, @data is empty string
+ * CONFIG_CMDLINE (or "" if that's not defined)
+ */
extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
int depth, void *data);
extern int early_init_dt_scan_memory(unsigned long node, const char *uname,
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index e8b7813..aaf219b 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -33,8 +33,6 @@ static inline int of_irq_parse_oldworld(struct device_node *device, int index,
#endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
extern int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq);
-extern int of_irq_parse_one(struct device_node *device, int index,
- struct of_phandle_args *out_irq);
extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data);
extern int of_irq_to_resource(struct device_node *dev, int index,
struct resource *r);
@@ -42,6 +40,8 @@ extern int of_irq_to_resource(struct device_node *dev, int index,
extern void of_irq_init(const struct of_device_id *matches);
#ifdef CONFIG_OF_IRQ
+extern int of_irq_parse_one(struct device_node *device, int index,
+ struct of_phandle_args *out_irq);
extern int of_irq_count(struct device_node *dev);
extern int of_irq_get(struct device_node *dev, int index);
extern int of_irq_get_byname(struct device_node *dev, const char *name);
@@ -57,6 +57,11 @@ extern struct irq_domain *of_msi_map_get_device_domain(struct device *dev,
extern void of_msi_configure(struct device *dev, struct device_node *np);
u32 of_msi_map_id(struct device *dev, struct device_node *msi_np, u32 id_in);
#else
+static inline int of_irq_parse_one(struct device_node *device, int index,
+ struct of_phandle_args *out_irq)
+{
+ return -EINVAL;
+}
static inline int of_irq_count(struct device_node *dev)
{
return 0;
diff --git a/include/linux/once.h b/include/linux/once.h
index ae6f4eb..9225ee6d 100644
--- a/include/linux/once.h
+++ b/include/linux/once.h
@@ -7,7 +7,7 @@
bool __do_once_start(bool *done, unsigned long *flags);
void __do_once_done(bool *done, struct static_key_true *once_key,
- unsigned long *flags, struct module *mod);
+ unsigned long *flags);
/* Call a function exactly once. The idea of DO_ONCE() is to perform
* a function call such as initialization of random seeds, etc, only
@@ -46,7 +46,7 @@ void __do_once_done(bool *done, struct static_key_true *once_key,
if (unlikely(___ret)) { \
func(__VA_ARGS__); \
__do_once_done(&___done, &___once_key, \
- &___flags, THIS_MODULE); \
+ &___flags); \
} \
} \
___ret; \
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 2db9a14..61f91f9 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -49,6 +49,8 @@ struct oom_control {
unsigned long totalpages;
struct task_struct *chosen;
long chosen_points;
+ struct task_struct *chosen_non_negative_adj;
+ long chosen_non_negative_adj_points;
/* Used to print the constraint info. */
enum oom_constraint constraint;
@@ -127,4 +129,7 @@ extern struct task_struct *find_lock_task_mm(struct task_struct *p);
extern int sysctl_oom_dump_tasks;
extern int sysctl_oom_kill_allocating_task;
extern int sysctl_panic_on_oom;
+
+/* call for adding killed process to reaper. */
+extern void add_to_oom_reaper(struct task_struct *p);
#endif /* _INCLUDE_LINUX_OOM_H */
diff --git a/include/linux/page-flags-layout.h b/include/linux/page-flags-layout.h
index e200eef..7d4ec26 100644
--- a/include/linux/page-flags-layout.h
+++ b/include/linux/page-flags-layout.h
@@ -77,7 +77,7 @@
#define LAST_CPUPID_SHIFT 0
#endif
-#ifdef CONFIG_KASAN_SW_TAGS
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
#define KASAN_TAG_WIDTH 8
#else
#define KASAN_TAG_WIDTH 0
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 4f6ba93..9f67e46 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -139,6 +139,9 @@ enum pageflags {
#ifdef CONFIG_64BIT
PG_arch_2,
#endif
+#ifdef CONFIG_KASAN_HW_TAGS
+ PG_skip_kasan_poison,
+#endif
__NR_PAGEFLAGS,
/* Filesystems */
@@ -444,6 +447,12 @@ TESTCLEARFLAG(Young, young, PF_ANY)
PAGEFLAG(Idle, idle, PF_ANY)
#endif
+#ifdef CONFIG_KASAN_HW_TAGS
+PAGEFLAG(SkipKASanPoison, skip_kasan_poison, PF_HEAD)
+#else
+PAGEFLAG_FALSE(SkipKASanPoison)
+#endif
+
/*
* PageReported() is used to track reported free pages within the Buddy
* allocator. We can use the non-atomic version of the test and set
diff --git a/include/linux/page-isolation.h b/include/linux/page-isolation.h
index 5724580..ccd3ed4 100644
--- a/include/linux/page-isolation.h
+++ b/include/linux/page-isolation.h
@@ -44,7 +44,8 @@ int move_freepages_block(struct zone *zone, struct page *page,
*/
int
start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
- unsigned migratetype, int flags);
+ unsigned migratetype, int flags,
+ unsigned long *failed_pfn);
/*
* Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.
@@ -58,7 +59,7 @@ undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
* Test all pages in [start_pfn, end_pfn) are isolated or not.
*/
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
- int isol_flags);
+ int isol_flags, unsigned long *failed_pfn);
struct page *alloc_migrate_target(struct page *page, unsigned long private);
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index cfce186..cd45c19 100644
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -19,6 +19,12 @@ struct page_ext_operations {
enum page_ext_flags {
PAGE_EXT_OWNER,
PAGE_EXT_OWNER_ALLOCATED,
+#if defined(CONFIG_PAGE_PINNER)
+ /* page refcount was increased by GUP or follow_page(FOLL_GET) */
+ PAGE_EXT_GET,
+ /* page migration failed */
+ PAGE_EXT_PINNER_MIGRATION_FAILED,
+#endif
#if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)
PAGE_EXT_YOUNG,
PAGE_EXT_IDLE,
diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h
index 3468794..4efb4ae 100644
--- a/include/linux/page_owner.h
+++ b/include/linux/page_owner.h
@@ -5,9 +5,13 @@
#include <linux/jump_label.h>
#ifdef CONFIG_PAGE_OWNER
+extern bool page_owner_enabled;
extern struct static_key_false page_owner_inited;
extern struct page_ext_operations page_owner_ops;
+extern struct page_owner *get_page_owner(struct page_ext *page_ext);
+extern depot_stack_handle_t get_page_owner_handle(struct page_ext *page_ext,
+ unsigned long pfn);
extern void __reset_page_owner(struct page *page, unsigned int order);
extern void __set_page_owner(struct page *page,
unsigned int order, gfp_t gfp_mask);
diff --git a/include/linux/page_pinner.h b/include/linux/page_pinner.h
new file mode 100644
index 0000000..ba14d76
--- /dev/null
+++ b/include/linux/page_pinner.h
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_PAGE_PINNER_H
+#define __LINUX_PAGE_PINNER_H
+
+#include <linux/jump_label.h>
+
+#ifdef CONFIG_PAGE_PINNER
+extern struct static_key_false page_pinner_inited;
+extern struct static_key_true failure_tracking;
+extern struct page_ext_operations page_pinner_ops;
+
+extern void __reset_page_pinner(struct page *page, unsigned int order, bool free);
+extern void __set_page_pinner(struct page *page, unsigned int order);
+extern void __dump_page_pinner(struct page *page);
+void __page_pinner_migration_failed(struct page *page);
+void __page_pinner_mark_migration_failed_pages(struct list_head *page_list);
+
+static inline void reset_page_pinner(struct page *page, unsigned int order)
+{
+ if (static_branch_unlikely(&page_pinner_inited))
+ __reset_page_pinner(page, order, false);
+}
+
+static inline void free_page_pinner(struct page *page, unsigned int order)
+{
+ if (static_branch_unlikely(&page_pinner_inited))
+ __reset_page_pinner(page, order, true);
+}
+
+static inline void set_page_pinner(struct page *page, unsigned int order)
+{
+ if (static_branch_unlikely(&page_pinner_inited))
+ __set_page_pinner(page, order);
+}
+
+static inline void dump_page_pinner(struct page *page)
+{
+ if (static_branch_unlikely(&page_pinner_inited))
+ __dump_page_pinner(page);
+}
+
+static inline void page_pinner_put_page(struct page *page)
+{
+ if (!static_branch_unlikely(&failure_tracking))
+ return;
+
+ __page_pinner_migration_failed(page);
+}
+
+static inline void page_pinner_failure_detect(struct page *page)
+{
+ if (!static_branch_unlikely(&failure_tracking))
+ return;
+
+ __page_pinner_migration_failed(page);
+}
+
+static inline void page_pinner_mark_migration_failed_pages(struct list_head *page_list)
+{
+ if (!static_branch_unlikely(&failure_tracking))
+ return;
+
+ __page_pinner_mark_migration_failed_pages(page_list);
+}
+#else
+static inline void reset_page_pinner(struct page *page, unsigned int order)
+{
+}
+static inline void free_page_pinner(struct page *page, unsigned int order)
+{
+}
+static inline void set_page_pinner(struct page *page, unsigned int order)
+{
+}
+static inline void dump_page_pinner(struct page *page)
+{
+}
+static inline void page_pinner_put_page(struct page *page)
+{
+}
+static inline void page_pinner_failure_detect(struct page *page)
+{
+}
+static inline void page_pinner_mark_migration_failed_pages(struct list_head *page_list)
+{
+}
+#endif /* CONFIG_PAGE_PINNER */
+#endif /* __LINUX_PAGE_PINNER_H */
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index fcb3f04..27d22bb 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -15,6 +15,7 @@
#include <linux/bitops.h>
#include <linux/hardirq.h> /* for in_interrupt() */
#include <linux/hugetlb_inline.h>
+#include <linux/sched/debug.h>
struct pagevec;
@@ -295,10 +296,7 @@ static inline struct page *page_cache_alloc(struct address_space *x)
return __page_cache_alloc(mapping_gfp_mask(x));
}
-static inline gfp_t readahead_gfp_mask(struct address_space *x)
-{
- return mapping_gfp_mask(x) | __GFP_NORETRY | __GFP_NOWARN;
-}
+gfp_t readahead_gfp_mask(struct address_space *x);
typedef int filler_t(void *, struct page *);
@@ -555,8 +553,8 @@ static inline pgoff_t linear_page_index(struct vm_area_struct *vma,
pgoff_t pgoff;
if (unlikely(is_vm_hugetlb_page(vma)))
return linear_hugepage_index(vma, address);
- pgoff = (address - vma->vm_start) >> PAGE_SHIFT;
- pgoff += vma->vm_pgoff;
+ pgoff = (address - READ_ONCE(vma->vm_start)) >> PAGE_SHIFT;
+ pgoff += READ_ONCE(vma->vm_pgoff);
return pgoff;
}
@@ -604,7 +602,7 @@ static inline int trylock_page(struct page *page)
/*
* lock_page may only be called if we have the page's inode pinned.
*/
-static inline void lock_page(struct page *page)
+static inline __sched void lock_page(struct page *page)
{
might_sleep();
if (!trylock_page(page))
@@ -616,7 +614,7 @@ static inline void lock_page(struct page *page)
* signals. It returns 0 if it locked the page and -EINTR if it was
* killed while waiting.
*/
-static inline int lock_page_killable(struct page *page)
+static inline __sched int lock_page_killable(struct page *page)
{
might_sleep();
if (!trylock_page(page))
@@ -632,7 +630,7 @@ static inline int lock_page_killable(struct page *page)
* Returns 0 if the page is locked successfully, or -EIOCBQUEUED if the page
* was already locked and the callback defined in 'wait' was queued.
*/
-static inline int lock_page_async(struct page *page,
+static inline __sched int lock_page_async(struct page *page,
struct wait_page_queue *wait)
{
if (!trylock_page(page))
@@ -647,7 +645,7 @@ static inline int lock_page_async(struct page *page,
* Return value and mmap_lock implications depend on flags; see
* __lock_page_or_retry().
*/
-static inline int lock_page_or_retry(struct page *page, struct mm_struct *mm,
+static inline __sched int lock_page_or_retry(struct page *page, struct mm_struct *mm,
unsigned int flags)
{
might_sleep();
@@ -668,13 +666,13 @@ extern int wait_on_page_bit_killable(struct page *page, int bit_nr);
* ie with increased "page->count" so that the page won't
* go away during the wait..
*/
-static inline void wait_on_page_locked(struct page *page)
+static inline __sched void wait_on_page_locked(struct page *page)
{
if (PageLocked(page))
wait_on_page_bit(compound_head(page), PG_locked);
}
-static inline int wait_on_page_locked_killable(struct page *page)
+static inline __sched int wait_on_page_locked_killable(struct page *page)
{
if (!PageLocked(page))
return 0;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 4519bd1..9d9c198 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -41,6 +41,7 @@
#include <uapi/linux/pci.h>
#include <linux/pci_ids.h>
+#include <linux/android_kabi.h>
#define PCI_STATUS_ERROR_BITS (PCI_STATUS_DETECTED_PARITY | \
PCI_STATUS_SIG_SYSTEM_ERROR | \
@@ -502,6 +503,11 @@ struct pci_dev {
char *driver_override; /* Driver name to force a match */
unsigned long priv_flags; /* Private flags for the PCI driver */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
@@ -554,6 +560,10 @@ struct pci_host_bridge {
resource_size_t start,
resource_size_t size,
resource_size_t align);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
unsigned long private[] ____cacheline_aligned;
};
@@ -638,6 +648,11 @@ struct pci_bus {
struct bin_attribute *legacy_io; /* Legacy I/O for this bus */
struct bin_attribute *legacy_mem; /* Legacy mem */
unsigned int is_added:1;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define to_pci_bus(n) container_of(n, struct pci_bus, dev)
@@ -736,6 +751,8 @@ struct pci_ops {
void __iomem *(*map_bus)(struct pci_bus *bus, unsigned int devfn, int where);
int (*read)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
+
+ ANDROID_KABI_RESERVE(1);
};
/*
@@ -811,6 +828,8 @@ struct pci_error_handlers {
/* Device driver may resume normal operations */
void (*resume)(struct pci_dev *dev);
+
+ ANDROID_KABI_RESERVE(1);
};
@@ -871,6 +890,11 @@ struct pci_driver {
const struct attribute_group **groups;
struct device_driver driver;
struct pci_dynids dynids;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
@@ -1915,19 +1939,28 @@ enum pci_fixup_pass {
};
#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
-#define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
- class_shift, hook) \
- __ADDRESSABLE(hook) \
+#define ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
+ class_shift, hook, stub) \
+ void __cficanonical stub(struct pci_dev *dev); \
+ void __cficanonical stub(struct pci_dev *dev) \
+ { \
+ hook(dev); \
+ } \
asm(".section " #sec ", \"a\" \n" \
".balign 16 \n" \
".short " #vendor ", " #device " \n" \
".long " #class ", " #class_shift " \n" \
- ".long " #hook " - . \n" \
+ ".long " #stub " - . \n" \
".previous \n");
+
+#define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
+ class_shift, hook, stub) \
+ ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
+ class_shift, hook, stub)
#define DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
class_shift, hook) \
__DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \
- class_shift, hook)
+ class_shift, hook, __UNIQUE_ID(hook))
#else
/* Anonymous variables would be nice... */
#define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, class, \
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 635a924..2efb6a1 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2423,6 +2423,8 @@
#define PCI_VENDOR_ID_LENOVO 0x17aa
#define PCI_VENDOR_ID_QCOM 0x17cb
+#define PCIE_DEVICE_ID_QCOM_PCIE20 0x0106
+#define PCIE_DEVICE_ID_QCOM_PCIE30 0x0107
#define PCI_VENDOR_ID_CDNS 0x17cd
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 7c869ea..039ce2d 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -1263,6 +1263,17 @@ static inline int pmd_trans_unstable(pmd_t *pmd)
#endif
}
+/*
+ * the ordering of these checks is important for pmds with _page_devmap set.
+ * if we check pmd_trans_unstable() first we will trip the bad_pmd() check
+ * inside of pmd_none_or_trans_huge_or_clear_bad(). this will end up correctly
+ * returning 1 but not before it spams dmesg with the pmd_clear_bad() output.
+ */
+static inline int pmd_devmap_trans_unstable(pmd_t *pmd)
+{
+ return pmd_devmap(*pmd) || pmd_trans_unstable(pmd);
+}
+
#ifndef CONFIG_NUMA_BALANCING
/*
* Technically a PTE can be PROTNONE even when not doing NUMA balancing but
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 08725a26..afeda1c 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -27,6 +27,7 @@
#include <linux/irqreturn.h>
#include <linux/iopoll.h>
#include <linux/refcount.h>
+#include <linux/android_kabi.h>
#include <linux/atomic.h>
@@ -645,6 +646,11 @@ struct phy_device {
/* MACsec management functions */
const struct macsec_ops *macsec_ops;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define to_phy_device(d) container_of(to_mdio_device(d), \
struct phy_device, mdio)
@@ -875,6 +881,9 @@ struct phy_driver {
int (*get_sqi)(struct phy_device *dev);
/** @get_sqi_max: Get the maximum signal quality indication */
int (*get_sqi_max)(struct phy_device *dev);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
struct phy_driver, mdiodrv)
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index fc56424..5d2705f 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -48,7 +48,6 @@ struct pipe_buffer {
* @files: number of struct file referring this pipe (protected by ->i_lock)
* @r_counter: reader counter
* @w_counter: writer counter
- * @poll_usage: is this pipe used for epoll, which has crazy wakeups?
* @fasync_readers: reader side fasync
* @fasync_writers: writer side fasync
* @bufs: the circular array of pipe buffers
@@ -71,7 +70,6 @@ struct pipe_inode_info {
unsigned int files;
unsigned int r_counter;
unsigned int w_counter;
- unsigned int poll_usage;
struct page *tmp_page;
struct fasync_struct *fasync_readers;
struct fasync_struct *fasync_writers;
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 17f9cd5..72b8a95 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -11,6 +11,7 @@
#define _PLATFORM_DEVICE_H_
#include <linux/device.h>
+#include <linux/android_kabi.h>
#define PLATFORM_DEVID_NONE (-1)
#define PLATFORM_DEVID_AUTO (-2)
@@ -37,6 +38,9 @@ struct platform_device {
/* arch specific additions */
struct pdev_archdata archdata;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define platform_get_device_id(pdev) ((pdev)->id_entry)
@@ -94,6 +98,8 @@ struct platform_device_info {
u64 dma_mask;
const struct property_entry *properties;
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct platform_device *platform_device_register_full(
const struct platform_device_info *pdevinfo);
@@ -206,6 +212,8 @@ struct platform_driver {
struct device_driver driver;
const struct platform_device_id *id_table;
bool prevent_deferred_probe;
+
+ ANDROID_KABI_RESERVE(1);
};
#define to_platform_driver(drv) (container_of((drv), struct platform_driver, \
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 52d9724..8b174a8 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -15,6 +15,7 @@
#include <linux/timer.h>
#include <linux/hrtimer.h>
#include <linux/completion.h>
+#include <linux/android_kabi.h>
/*
* Callbacks for platform drivers to implement.
@@ -299,6 +300,8 @@ struct dev_pm_ops {
int (*runtime_suspend)(struct device *dev);
int (*runtime_resume)(struct device *dev);
int (*runtime_idle)(struct device *dev);
+
+ ANDROID_KABI_RESERVE(1);
};
#ifdef CONFIG_PM_SLEEP
@@ -621,6 +624,9 @@ struct dev_pm_info {
struct pm_subsys_data *subsys_data; /* Owned by the subsystem. */
void (*set_latency_tolerance)(struct device *, s32);
struct dev_pm_qos *qos;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
extern int dev_pm_get_subsys_data(struct device *dev);
@@ -647,6 +653,8 @@ struct dev_pm_domain {
int (*activate)(struct device *dev);
void (*sync)(struct device *dev);
void (*dismiss)(struct device *dev);
+
+ ANDROID_KABI_RESERVE(1);
};
/*
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 1ad0ec4..ca060c3 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -9,6 +9,7 @@
#define _LINUX_PM_DOMAIN_H
#include <linux/device.h>
+#include <linux/ktime.h>
#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/err.h>
@@ -55,6 +56,10 @@
*
* GENPD_FLAG_RPM_ALWAYS_ON: Instructs genpd to always keep the PM domain
* powered on except for system suspend.
+ *
+ * GENPD_FLAG_MIN_RESIDENCY: Enable the genpd governor to consider its
+ * components' next wakeup when determining the
+ * optimal idle state.
*/
#define GENPD_FLAG_PM_CLK (1U << 0)
#define GENPD_FLAG_IRQ_SAFE (1U << 1)
@@ -62,6 +67,7 @@
#define GENPD_FLAG_ACTIVE_WAKEUP (1U << 3)
#define GENPD_FLAG_CPU_DOMAIN (1U << 4)
#define GENPD_FLAG_RPM_ALWAYS_ON (1U << 5)
+#define GENPD_FLAG_MIN_RESIDENCY (1U << 6)
enum gpd_status {
GENPD_STATE_ON = 0, /* PM domain is on */
@@ -129,6 +135,7 @@ struct generic_pm_domain {
unsigned int state);
struct gpd_dev_ops dev_ops;
s64 max_off_time_ns; /* Maximum allowed "suspended" time. */
+ ktime_t next_wakeup; /* Maintained by the domain governor */
bool max_off_time_changed;
bool cached_power_down_ok;
bool cached_power_down_state_idx;
@@ -191,6 +198,7 @@ struct generic_pm_domain_data {
struct notifier_block *power_nb;
int cpu;
unsigned int performance_state;
+ ktime_t next_wakeup;
void *data;
};
@@ -217,6 +225,7 @@ int pm_genpd_remove(struct generic_pm_domain *genpd);
int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state);
int dev_pm_genpd_add_notifier(struct device *dev, struct notifier_block *nb);
int dev_pm_genpd_remove_notifier(struct device *dev);
+void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next);
extern struct dev_power_governor simple_qos_governor;
extern struct dev_power_governor pm_domain_always_on_gov;
@@ -275,16 +284,19 @@ static inline int dev_pm_genpd_remove_notifier(struct device *dev)
return -ENOTSUPP;
}
+static inline void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next)
+{ }
+
#define simple_qos_governor (*(struct dev_power_governor *)(NULL))
#define pm_domain_always_on_gov (*(struct dev_power_governor *)(NULL))
#endif
#ifdef CONFIG_PM_GENERIC_DOMAINS_SLEEP
-void pm_genpd_syscore_poweroff(struct device *dev);
-void pm_genpd_syscore_poweron(struct device *dev);
+void dev_pm_genpd_suspend(struct device *dev);
+void dev_pm_genpd_resume(struct device *dev);
#else
-static inline void pm_genpd_syscore_poweroff(struct device *dev) {}
-static inline void pm_genpd_syscore_poweron(struct device *dev) {}
+static inline void dev_pm_genpd_suspend(struct device *dev) {}
+static inline void dev_pm_genpd_resume(struct device *dev) {}
#endif
/* OF PM domain providers */
diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 4a69d4a..200841b9 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -93,6 +93,7 @@ struct freq_qos_request {
enum freq_qos_req_type type;
struct plist_node pnode;
struct freq_constraints *qos;
+ ANDROID_OEM_DATA_ARRAY(1, 2);
};
diff --git a/include/linux/poison.h b/include/linux/poison.h
index dc8ae5d..aff1c92 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -27,11 +27,7 @@
#define TIMER_ENTRY_STATIC ((void *) 0x300 + POISON_POINTER_DELTA)
/********** mm/page_poison.c **********/
-#ifdef CONFIG_PAGE_POISONING_ZERO
-#define PAGE_POISON 0x00
-#else
#define PAGE_POISON 0xaa
-#endif
/********** mm/page_alloc.c ************/
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 81a55e9..a8fa073 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -17,6 +17,7 @@
#include <linux/leds.h>
#include <linux/spinlock.h>
#include <linux/notifier.h>
+#include <linux/android_kabi.h>
/*
* All voltages, currents, charges, energies, time and temperatures in uV,
@@ -49,6 +50,12 @@ enum {
POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted speed */
POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_* props */
POWER_SUPPLY_CHARGE_TYPE_LONGLIFE, /* slow speed, longer life */
+
+ /*
+ * force to 50 to minimize the chances of userspace binary
+ * incompatibility on newer upstream kernels
+ */
+ POWER_SUPPLY_CHARGE_TYPE_TAPER = 50, /* charging in CV phase */
};
enum {
@@ -227,6 +234,8 @@ struct power_supply_config {
char **supplied_to;
size_t num_supplicants;
+
+ ANDROID_KABI_RESERVE(1);
};
/* Description of power supply */
@@ -268,6 +277,8 @@ struct power_supply_desc {
bool no_thermal;
/* For APM emulation, think legacy userspace. */
int use_for_apm;
+
+ ANDROID_KABI_RESERVE(1);
};
struct power_supply {
@@ -309,6 +320,8 @@ struct power_supply {
struct led_trigger *charging_blink_full_solid_trig;
char *charging_blink_full_solid_trig_name;
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
/*
@@ -376,6 +389,8 @@ struct power_supply_battery_info {
int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX];
struct power_supply_resistance_temp_table *resist_table;
int resist_table_size;
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct atomic_notifier_head power_supply_notifier;
@@ -386,12 +401,22 @@ extern void power_supply_put(struct power_supply *psy);
#ifdef CONFIG_OF
extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
const char *property);
+extern int power_supply_get_by_phandle_array(struct device_node *np,
+ const char *property,
+ struct power_supply **psy,
+ ssize_t size);
extern struct power_supply *devm_power_supply_get_by_phandle(
struct device *dev, const char *property);
#else /* !CONFIG_OF */
static inline struct power_supply *
power_supply_get_by_phandle(struct device_node *np, const char *property)
{ return NULL; }
+static inline int
+power_supply_get_by_phandle_array(struct device_node *np,
+ const char *property,
+ struct power_supply **psy,
+ int size)
+{ return 0; }
static inline struct power_supply *
devm_power_supply_get_by_phandle(struct device *dev, const char *property)
{ return NULL; }
@@ -426,9 +451,16 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
extern int power_supply_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val);
+#if IS_ENABLED(CONFIG_POWER_SUPPLY)
extern int power_supply_set_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val);
+#else
+static inline int power_supply_set_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ const union power_supply_propval *val)
+{ return 0; }
+#endif
extern int power_supply_property_is_writeable(struct power_supply *psy,
enum power_supply_property psp);
extern void power_supply_external_power_changed(struct power_supply *psy);
diff --git a/include/linux/printk.h b/include/linux/printk.h
index fe7eb23..f589b8b 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -206,6 +206,7 @@ void __init setup_log_buf(int early);
__printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...);
void dump_stack_print_info(const char *log_lvl);
void show_regs_print_info(const char *log_lvl);
+extern asmlinkage void dump_stack_lvl(const char *log_lvl) __cold;
extern asmlinkage void dump_stack(void) __cold;
extern void printk_safe_flush(void);
extern void printk_safe_flush_on_panic(void);
@@ -269,6 +270,10 @@ static inline void show_regs_print_info(const char *log_lvl)
{
}
+static inline void dump_stack_lvl(const char *log_lvl)
+{
+}
+
static inline void dump_stack(void)
{
}
diff --git a/include/linux/property.h b/include/linux/property.h
index 2d45426..7d4bda4 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -85,9 +85,12 @@ const char *fwnode_get_name_prefix(const struct fwnode_handle *fwnode);
struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode);
struct fwnode_handle *fwnode_get_next_parent(
struct fwnode_handle *fwnode);
+struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode);
unsigned int fwnode_count_parents(const struct fwnode_handle *fwn);
struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn,
unsigned int depth);
+bool fwnode_is_ancestor_of(struct fwnode_handle *test_ancestor,
+ struct fwnode_handle *test_child);
struct fwnode_handle *fwnode_get_next_child_node(
const struct fwnode_handle *fwnode, struct fwnode_handle *child);
struct fwnode_handle *fwnode_get_next_available_child_node(
@@ -485,4 +488,7 @@ fwnode_create_software_node(const struct property_entry *properties,
const struct fwnode_handle *parent);
void fwnode_remove_software_node(struct fwnode_handle *fwnode);
+int device_add_software_node(struct device *dev, const struct software_node *node);
+void device_remove_software_node(struct device *dev);
+
#endif /* _LINUX_PROPERTY_H_ */
diff --git a/include/linux/psci.h b/include/linux/psci.h
index 2a1bfb8..4ca0060 100644
--- a/include/linux/psci.h
+++ b/include/linux/psci.h
@@ -34,6 +34,15 @@ struct psci_operations {
extern struct psci_operations psci_ops;
+struct psci_0_1_function_ids {
+ u32 cpu_suspend;
+ u32 cpu_on;
+ u32 cpu_off;
+ u32 migrate;
+};
+
+struct psci_0_1_function_ids get_psci_0_1_function_ids(void);
+
#if defined(CONFIG_ARM_PSCI_FW)
int __init psci_dt_init(void);
#else
diff --git a/include/linux/psi_types.h b/include/linux/psi_types.h
index b95f321..4b73f0f 100644
--- a/include/linux/psi_types.h
+++ b/include/linux/psi_types.h
@@ -157,6 +157,7 @@ struct psi_group {
struct timer_list poll_timer;
wait_queue_head_t poll_wait;
atomic_t poll_wakeup;
+ atomic_t poll_scheduled;
/* Protects data used by the monitor */
struct mutex trigger_lock;
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index a13ff38..72fe459 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -5,6 +5,7 @@
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/of.h>
+#include <linux/android_kabi.h>
struct pwm_capture;
struct seq_file;
@@ -48,6 +49,17 @@ enum {
PWMF_EXPORTED = 1 << 1,
};
+/**
+ * enum pwm_output_type - output type of the PWM signal
+ * @PWM_OUTPUT_FIXED: PWM output is fixed until a change request
+ * @PWM_OUTPUT_MODULATED: PWM output is modulated in hardware
+ * autonomously with a predefined pattern
+ */
+enum pwm_output_type {
+ PWM_OUTPUT_FIXED = 1 << 0,
+ PWM_OUTPUT_MODULATED = 1 << 1,
+};
+
/*
* struct pwm_state - state of a PWM channel
* @period: PWM period (in nanoseconds)
@@ -59,6 +71,7 @@ struct pwm_state {
u64 period;
u64 duty_cycle;
enum pwm_polarity polarity;
+ enum pwm_output_type output_type;
bool enabled;
};
@@ -85,6 +98,8 @@ struct pwm_device {
struct pwm_args args;
struct pwm_state state;
struct pwm_state last;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -146,6 +161,16 @@ static inline enum pwm_polarity pwm_get_polarity(const struct pwm_device *pwm)
return state.polarity;
}
+static inline enum pwm_output_type pwm_get_output_type(
+ const struct pwm_device *pwm)
+{
+ struct pwm_state state;
+
+ pwm_get_state(pwm, &state);
+
+ return state.output_type;
+}
+
static inline void pwm_get_args(const struct pwm_device *pwm,
struct pwm_args *args)
{
@@ -249,6 +274,7 @@ pwm_set_relative_duty_cycle(struct pwm_state *state, unsigned int duty_cycle,
* @get_state: get the current PWM state. This function is only
* called once per PWM device when the PWM chip is
* registered.
+ * @get_output_type_supported: get the supported output type of this PWM
* @owner: helps prevent removal of modules exporting active PWMs
* @config: configure duty cycles and period length for this PWM
* @set_polarity: configure the polarity of this PWM
@@ -264,6 +290,8 @@ struct pwm_ops {
const struct pwm_state *state);
void (*get_state)(struct pwm_chip *chip, struct pwm_device *pwm,
struct pwm_state *state);
+ int (*get_output_type_supported)(struct pwm_chip *chip,
+ struct pwm_device *pwm);
struct module *owner;
/* Only used by legacy drivers */
@@ -273,6 +301,8 @@ struct pwm_ops {
enum pwm_polarity polarity);
int (*enable)(struct pwm_chip *chip, struct pwm_device *pwm);
void (*disable)(struct pwm_chip *chip, struct pwm_device *pwm);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -299,6 +329,8 @@ struct pwm_chip {
/* only used internally by the PWM framework */
struct list_head list;
struct pwm_device *pwms;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -319,6 +351,24 @@ int pwm_apply_state(struct pwm_device *pwm, const struct pwm_state *state);
int pwm_adjust_config(struct pwm_device *pwm);
/**
+ * pwm_get_output_type_supported() - obtain output type of a PWM device.
+ * @pwm: PWM device
+ *
+ * Returns: output type supported by the PWM device
+ */
+static inline int pwm_get_output_type_supported(struct pwm_device *pwm)
+{
+ if (!pwm)
+ return -EINVAL;
+
+ if (pwm->chip->ops->get_output_type_supported)
+ return pwm->chip->ops->get_output_type_supported(pwm->chip,
+ pwm);
+
+ return PWM_OUTPUT_FIXED;
+}
+
+/**
* pwm_config() - change a PWM device configuration
* @pwm: PWM device
* @duty_ns: "on" time (in nanoseconds)
@@ -436,6 +486,11 @@ static inline int pwm_adjust_config(struct pwm_device *pwm)
return -ENOTSUPP;
}
+static inline int pwm_get_output_type_supported(struct pwm_device *pwm)
+{
+ return -EINVAL;
+}
+
static inline int pwm_config(struct pwm_device *pwm, int duty_ns,
int period_ns)
{
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 27aab84..3088ac9 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -316,6 +316,9 @@ struct quota_format_ops {
int (*commit_dqblk)(struct dquot *dquot); /* Write structure for one user */
int (*release_dqblk)(struct dquot *dquot); /* Called when last reference to dquot is being dropped */
int (*get_next_id)(struct super_block *sb, struct kqid *qid); /* Get next ID with existing structure in the quota file */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/* Operations working with dquots */
@@ -335,6 +338,9 @@ struct dquot_operations {
int (*get_inode_usage) (struct inode *, qsize_t *);
/* Get next ID with active quota structure */
int (*get_next_id) (struct super_block *sb, struct kqid *qid);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct path;
@@ -438,6 +444,9 @@ struct quotactl_ops {
int (*set_dqblk)(struct super_block *, struct kqid, struct qc_dqblk *);
int (*get_state)(struct super_block *, struct qc_state *);
int (*rm_xquota)(struct super_block *, unsigned int);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct quota_format_type {
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index e7834d9..751ca38 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -19,6 +19,7 @@
#include <linux/lockdep.h>
#include <linux/iopoll.h>
#include <linux/fwnode.h>
+#include <linux/android_kabi.h>
struct module;
struct clk;
@@ -401,6 +402,8 @@ struct regmap_config {
unsigned int hwlock_mode;
bool can_sleep;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -438,6 +441,8 @@ struct regmap_range_cfg {
/* Data window (per each page) */
unsigned int window_start;
unsigned int window_len;
+
+ ANDROID_KABI_RESERVE(1);
};
struct regmap_async;
@@ -514,6 +519,8 @@ struct regmap_bus {
enum regmap_endian val_format_endian_default;
size_t max_raw_read;
size_t max_raw_write;
+
+ ANDROID_KABI_RESERVE(1);
};
/*
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 11cade7..4d73dc5 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -17,6 +17,7 @@
#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
#include <linux/ww_mutex.h>
+#include <linux/android_kabi.h>
struct gpio_desc;
struct regmap;
@@ -202,6 +203,8 @@ struct regulator_ops {
int (*resume)(struct regulator_dev *rdev);
int (*set_pull_down) (struct regulator_dev *);
+
+ ANDROID_KABI_RESERVE(1);
};
/*
@@ -223,6 +226,8 @@ enum regulator_type {
* @name: Identifying name for the regulator.
* @supply_name: Identifying the regulator supply
* @of_match: Name used to identify regulator in DT.
+ * @of_match_full_name: A flag to indicate that the of_match string, if
+ * present, should be matched against the node full_name.
* @regulators_node: Name of node containing regulator definitions in DT.
* @of_parse_cb: Optional callback called only if of_match is present.
* Will be called for each regulator parsed from DT, during
@@ -314,6 +319,7 @@ struct regulator_desc {
const char *name;
const char *supply_name;
const char *of_match;
+ bool of_match_full_name;
const char *regulators_node;
int (*of_parse_cb)(struct device_node *,
const struct regulator_desc *,
@@ -378,6 +384,8 @@ struct regulator_desc {
unsigned int poll_enabled_time;
unsigned int (*of_map_mode)(unsigned int mode);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -470,6 +478,8 @@ struct regulator_dev {
/* time when this regulator was disabled last time */
unsigned long last_off_jiffy;
+
+ ANDROID_KABI_RESERVE(1);
};
struct regulator_dev *
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 3fa3ba6..25621ff 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -315,6 +315,7 @@ struct rproc;
/**
* struct rproc_mem_entry - memory entry descriptor
* @va: virtual address
+ * @is_iomem: io memory
* @dma: dma address
* @len: length, in bytes
* @da: device address
@@ -329,6 +330,7 @@ struct rproc;
*/
struct rproc_mem_entry {
void *va;
+ bool is_iomem;
dma_addr_t dma;
size_t len;
u32 da;
@@ -375,6 +377,7 @@ enum rsc_handling_status {
* @get_boot_addr: get boot address to entry point specified in firmware
* @panic: optional callback to react to system panic, core will delay
* panic at least the returned number of milliseconds
+ * @coredump: collect firmware dump after the subsystem is shutdown
*/
struct rproc_ops {
int (*prepare)(struct rproc *rproc);
@@ -383,7 +386,7 @@ struct rproc_ops {
int (*stop)(struct rproc *rproc);
int (*attach)(struct rproc *rproc);
void (*kick)(struct rproc *rproc, int vqid);
- void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len);
+ void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len, bool *is_iomem);
int (*parse_fw)(struct rproc *rproc, const struct firmware *fw);
int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc,
int offset, int avail);
@@ -393,6 +396,7 @@ struct rproc_ops {
int (*sanity_check)(struct rproc *rproc, const struct firmware *fw);
u64 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw);
unsigned long (*panic)(struct rproc *rproc);
+ void (*coredump)(struct rproc *rproc);
};
/**
@@ -654,6 +658,11 @@ rproc_of_resm_mem_entry_init(struct device *dev, u32 of_resm_idx, size_t len,
int rproc_boot(struct rproc *rproc);
void rproc_shutdown(struct rproc *rproc);
void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type);
+
+/* from remoteproc_coredump.c */
+void rproc_coredump_cleanup(struct rproc *rproc);
+void rproc_coredump(struct rproc *rproc);
+void rproc_coredump_using_sections(struct rproc *rproc);
int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size);
int rproc_coredump_add_custom_segment(struct rproc *rproc,
dma_addr_t da, size_t size,
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 8d04e7d..7482da1 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -174,8 +174,16 @@ void page_add_anon_rmap(struct page *, struct vm_area_struct *,
unsigned long, bool);
void do_page_add_anon_rmap(struct page *, struct vm_area_struct *,
unsigned long, int);
-void page_add_new_anon_rmap(struct page *, struct vm_area_struct *,
- unsigned long, bool);
+void __page_add_new_anon_rmap(struct page *page, struct vm_area_struct *vma,
+ unsigned long address, bool compound);
+static inline void page_add_new_anon_rmap(struct page *page,
+ struct vm_area_struct *vma,
+ unsigned long address, bool compound)
+{
+ VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
+ __page_add_new_anon_rmap(page, vma, address, compound);
+}
+
void page_add_file_rmap(struct page *, bool);
void page_remove_rmap(struct page *, bool);
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index a68972b..7cbb0fb 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -2,6 +2,7 @@
/*
* Remote processor messaging
*
+ * Copyright (c) 2020 The Linux Foundation.
* Copyright (C) 2011 Texas Instruments, Inc.
* Copyright (C) 2011 Google, Inc.
* All rights reserved.
@@ -60,6 +61,7 @@ struct rpmsg_device {
};
typedef int (*rpmsg_rx_cb_t)(struct rpmsg_device *, void *, int, void *, u32);
+typedef int (*rpmsg_rx_sig_t)(struct rpmsg_device *, void *, u32, u32);
/**
* struct rpmsg_endpoint - binds a local rpmsg address to its user
@@ -67,6 +69,7 @@ typedef int (*rpmsg_rx_cb_t)(struct rpmsg_device *, void *, int, void *, u32);
* @refcount: when this drops to zero, the ept is deallocated
* @cb: rx callback handler
* @cb_lock: must be taken before accessing/changing @cb
+ * @sig_cb: rx serial signal handler
* @addr: local rpmsg address
* @priv: private data for the driver's use
*
@@ -89,6 +92,7 @@ struct rpmsg_endpoint {
struct kref refcount;
rpmsg_rx_cb_t cb;
struct mutex cb_lock;
+ rpmsg_rx_sig_t sig_cb;
u32 addr;
void *priv;
@@ -102,6 +106,7 @@ struct rpmsg_endpoint {
* @probe: invoked when a matching rpmsg channel (i.e. device) is found
* @remove: invoked when the rpmsg channel is removed
* @callback: invoked when an inbound message is received on the channel
+ * @signals: invoked when a serial signal change is received on the channel
*/
struct rpmsg_driver {
struct device_driver drv;
@@ -109,6 +114,8 @@ struct rpmsg_driver {
int (*probe)(struct rpmsg_device *dev);
void (*remove)(struct rpmsg_device *dev);
int (*callback)(struct rpmsg_device *, void *, int, void *, u32);
+ int (*signals)(struct rpmsg_device *rpdev,
+ void *priv, u32 old, u32 new);
};
#if IS_ENABLED(CONFIG_RPMSG)
@@ -135,6 +142,9 @@ int rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst,
__poll_t rpmsg_poll(struct rpmsg_endpoint *ept, struct file *filp,
poll_table *wait);
+int rpmsg_get_signals(struct rpmsg_endpoint *ept);
+int rpmsg_set_signals(struct rpmsg_endpoint *ept, u32 set, u32 clear);
+
#else
static inline int register_rpmsg_device(struct rpmsg_device *dev)
@@ -242,6 +252,23 @@ static inline __poll_t rpmsg_poll(struct rpmsg_endpoint *ept,
return 0;
}
+static inline int rpmsg_get_signals(struct rpmsg_endpoint *ept)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+
+ return -ENXIO;
+}
+
+static inline int rpmsg_set_signals(struct rpmsg_endpoint *ept,
+ u32 set, u32 clear)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+
+ return -ENXIO;
+}
+
#endif /* IS_ENABLED(CONFIG_RPMSG) */
/* use a macro to avoid include chaining to get THIS_MODULE */
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 22d1575..d517703 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -16,6 +16,7 @@
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/nvmem-provider.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/rtc.h>
extern int rtc_month_days(unsigned int month, unsigned int year);
@@ -66,6 +67,8 @@ struct rtc_class_ops {
int (*alarm_irq_enable)(struct device *, unsigned int enabled);
int (*read_offset)(struct device *, long *offset);
int (*set_offset)(struct device *, long offset);
+
+ ANDROID_KABI_RESERVE(1);
};
struct rtc_device;
@@ -140,6 +143,8 @@ struct rtc_device {
unsigned int uie_task_active:1;
unsigned int uie_timer_active:1;
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
#define to_rtc_device(d) container_of(d, struct rtc_device, dev)
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 4c715be..e851cd5 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -19,6 +19,7 @@
#ifdef CONFIG_RWSEM_SPIN_ON_OWNER
#include <linux/osq_lock.h>
#endif
+#include <linux/android_vendor.h>
/*
* For an uncontended rwsem, count and owner are the only fields a task
@@ -51,6 +52,21 @@ struct rw_semaphore {
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
#endif
+ ANDROID_VENDOR_DATA(1);
+ ANDROID_OEM_DATA_ARRAY(1, 2);
+};
+
+enum rwsem_waiter_type {
+ RWSEM_WAITING_FOR_WRITE,
+ RWSEM_WAITING_FOR_READ
+};
+
+struct rwsem_waiter {
+ struct list_head list;
+ struct task_struct *task;
+ enum rwsem_waiter_type type;
+ unsigned long timeout;
+ unsigned long last_rowner;
};
/* In all implementations count != 0 means locked */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b85b26d..f37450b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -34,6 +34,8 @@
#include <linux/rseq.h>
#include <linux/seqlock.h>
#include <linux/kcsan.h>
+#include <linux/android_vendor.h>
+#include <linux/android_kabi.h>
/* task_struct member predeclarations (sorted alphabetically): */
struct audit_context;
@@ -492,6 +494,11 @@ struct sched_entity {
*/
struct sched_avg avg;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct sched_rt_entity {
@@ -510,6 +517,11 @@ struct sched_rt_entity {
/* rq "owned" by this entity/group: */
struct rt_rq *my_q;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
struct sched_dl_entity {
@@ -717,6 +729,10 @@ struct task_struct {
struct uclamp_se uclamp[UCLAMP_CNT];
#endif
+#ifdef CONFIG_HOTPLUG_CPU
+ struct list_head percpu_kthread_node;
+#endif
+
#ifdef CONFIG_PREEMPT_NOTIFIERS
/* List of struct preempt_notifier: */
struct hlist_head preempt_notifiers;
@@ -896,6 +912,10 @@ struct task_struct {
u64 stimescaled;
#endif
u64 gtime;
+#ifdef CONFIG_CPU_FREQ_TIMES
+ u64 *time_in_state;
+ unsigned int max_state;
+#endif
struct prev_cputime prev_cputime;
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
struct vtime vtime;
@@ -1007,6 +1027,7 @@ struct task_struct {
raw_spinlock_t pi_lock;
struct wake_q_node wake_q;
+ int wake_q_count;
#ifdef CONFIG_RT_MUTEXES
/* PI waiters blocked on a rt_mutex held by this task: */
@@ -1227,7 +1248,7 @@ struct task_struct {
u64 timer_slack_ns;
u64 default_timer_slack_ns;
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
unsigned int kasan_depth;
#endif
@@ -1356,6 +1377,17 @@ struct task_struct {
struct callback_head mce_kill_me;
int mce_count;
#endif
+ ANDROID_VENDOR_DATA_ARRAY(1, 64);
+ ANDROID_OEM_DATA_ARRAY(1, 32);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+ ANDROID_KABI_RESERVE(5);
+ ANDROID_KABI_RESERVE(6);
+ ANDROID_KABI_RESERVE(7);
+ ANDROID_KABI_RESERVE(8);
/*
* New fields for task_struct should be added above here, so that
@@ -1659,9 +1691,20 @@ current_restore_flags(unsigned long orig_flags, unsigned long flags)
extern int cpuset_cpumask_can_shrink(const struct cpumask *cur, const struct cpumask *trial);
extern int task_can_attach(struct task_struct *p, const struct cpumask *cs_cpus_allowed);
+
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+extern bool cpupri_check_rt(void);
+#else
+static inline bool cpupri_check_rt(void)
+{
+ return false;
+}
+#endif
+
#ifdef CONFIG_SMP
extern void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask);
extern int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask);
+extern void force_compatible_cpus_allowed_ptr(struct task_struct *p);
#else
static inline void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
{
diff --git a/include/linux/sched/hotplug.h b/include/linux/sched/hotplug.h
index 9a62ffd..89fb9b0 100644
--- a/include/linux/sched/hotplug.h
+++ b/include/linux/sched/hotplug.h
@@ -8,7 +8,11 @@
extern int sched_cpu_starting(unsigned int cpu);
extern int sched_cpu_activate(unsigned int cpu);
+extern int sched_cpus_activate(struct cpumask *cpus);
extern int sched_cpu_deactivate(unsigned int cpu);
+extern int sched_cpus_deactivate_nosync(struct cpumask *cpus);
+extern int sched_cpu_drain_rq(unsigned int cpu);
+extern void sched_cpu_drain_rq_wait(unsigned int cpu);
#ifdef CONFIG_HOTPLUG_CPU
extern int sched_cpu_dying(unsigned int cpu);
diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h
index 6576400..02d53c6 100644
--- a/include/linux/sched/signal.h
+++ b/include/linux/sched/signal.h
@@ -12,6 +12,7 @@
#include <linux/posix-timers.h>
#include <linux/mm_types.h>
#include <asm/ptrace.h>
+#include <linux/android_kabi.h>
/*
* Types defining task->signal and task->sighand and APIs using them:
@@ -235,6 +236,11 @@ struct signal_struct {
* and may have inconsistent
* permissions.
*/
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
} __randomize_layout;
/*
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index 9ef7bf6..1734633 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -3,6 +3,8 @@
#define _LINUX_SCHED_TOPOLOGY_H
#include <linux/topology.h>
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
#include <linux/sched/idle.h>
@@ -74,6 +76,8 @@ struct sched_domain_shared {
atomic_t ref;
atomic_t nr_busy_cpus;
int has_idle_cores;
+
+ ANDROID_VENDOR_DATA(1);
};
struct sched_domain {
@@ -143,6 +147,10 @@ struct sched_domain {
struct sched_domain_shared *shared;
unsigned int span_weight;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
/*
* Span of all CPUs in this domain.
*
diff --git a/include/linux/sched/user.h b/include/linux/sched/user.h
index a8ec3b6..6d63a52 100644
--- a/include/linux/sched/user.h
+++ b/include/linux/sched/user.h
@@ -6,6 +6,7 @@
#include <linux/atomic.h>
#include <linux/refcount.h>
#include <linux/ratelimit.h>
+#include <linux/android_kabi.h>
/*
* Some day this will be a full-fledged user tracking system..
@@ -42,6 +43,10 @@ struct user_struct {
/* Miscellaneous per-user rate limit */
struct ratelimit_state ratelimit;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_OEM_DATA_ARRAY(1, 2);
};
extern int uids_sysfs_init(void);
diff --git a/include/linux/sched/wake_q.h b/include/linux/sched/wake_q.h
index 26a2013..1e05e56 100644
--- a/include/linux/sched/wake_q.h
+++ b/include/linux/sched/wake_q.h
@@ -38,6 +38,7 @@
struct wake_q_head {
struct wake_q_node *first;
struct wake_q_node **lastp;
+ int count;
};
#define WAKE_Q_TAIL ((struct wake_q_node *) 0x01)
@@ -49,6 +50,7 @@ static inline void wake_q_init(struct wake_q_head *head)
{
head->first = WAKE_Q_TAIL;
head->lastp = &head->first;
+ head->count = 0;
}
static inline bool wake_q_empty(struct wake_q_head *head)
diff --git a/include/linux/sched/xacct.h b/include/linux/sched/xacct.h
index c078f0a..9544c9d 100644
--- a/include/linux/sched/xacct.h
+++ b/include/linux/sched/xacct.h
@@ -28,6 +28,11 @@ static inline void inc_syscw(struct task_struct *tsk)
{
tsk->ioac.syscw++;
}
+
+static inline void inc_syscfs(struct task_struct *tsk)
+{
+ tsk->ioac.syscfs++;
+}
#else
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
{
@@ -44,6 +49,10 @@ static inline void inc_syscr(struct task_struct *tsk)
static inline void inc_syscw(struct task_struct *tsk)
{
}
+
+static inline void inc_syscfs(struct task_struct *tsk)
+{
+}
#endif
#endif /* _LINUX_SCHED_XACCT_H */
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index 9cd312a..57d23fa 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -8,9 +8,11 @@
#ifndef _LINUX_SCMI_PROTOCOL_H
#define _LINUX_SCMI_PROTOCOL_H
+#include <linux/bitfield.h>
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/types.h>
+#include <linux/android_kabi.h>
#define SCMI_MAX_STR_SIZE 16
#define SCMI_MAX_NUM_RATES 16
@@ -56,9 +58,11 @@ struct scmi_clock_info {
};
struct scmi_handle;
+struct scmi_device;
+struct scmi_protocol_handle;
/**
- * struct scmi_clk_ops - represents the various operations provided
+ * struct scmi_clk_proto_ops - represents the various operations provided
* by SCMI Clock Protocol
*
* @count_get: get the count of clocks provided by SCMI
@@ -68,21 +72,23 @@ struct scmi_handle;
* @enable: enables the specified clock
* @disable: disables the specified clock
*/
-struct scmi_clk_ops {
- int (*count_get)(const struct scmi_handle *handle);
+struct scmi_clk_proto_ops {
+ int (*count_get)(const struct scmi_protocol_handle *ph);
const struct scmi_clock_info *(*info_get)
- (const struct scmi_handle *handle, u32 clk_id);
- int (*rate_get)(const struct scmi_handle *handle, u32 clk_id,
+ (const struct scmi_protocol_handle *ph, u32 clk_id);
+ int (*rate_get)(const struct scmi_protocol_handle *ph, u32 clk_id,
u64 *rate);
- int (*rate_set)(const struct scmi_handle *handle, u32 clk_id,
+ int (*rate_set)(const struct scmi_protocol_handle *ph, u32 clk_id,
u64 rate);
- int (*enable)(const struct scmi_handle *handle, u32 clk_id);
- int (*disable)(const struct scmi_handle *handle, u32 clk_id);
+ int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id);
+ int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
- * struct scmi_perf_ops - represents the various operations provided
+ * struct scmi_perf_proto_ops - represents the various operations provided
* by SCMI Performance Protocol
*
* @limits_set: sets limits on the performance level of a domain
@@ -99,32 +105,35 @@ struct scmi_clk_ops {
* @est_power_get: gets the estimated power cost for a given performance domain
* at a given frequency
*/
-struct scmi_perf_ops {
- int (*limits_set)(const struct scmi_handle *handle, u32 domain,
+struct scmi_perf_proto_ops {
+ int (*limits_set)(const struct scmi_protocol_handle *ph, u32 domain,
u32 max_perf, u32 min_perf);
- int (*limits_get)(const struct scmi_handle *handle, u32 domain,
+ int (*limits_get)(const struct scmi_protocol_handle *ph, u32 domain,
u32 *max_perf, u32 *min_perf);
- int (*level_set)(const struct scmi_handle *handle, u32 domain,
+ int (*level_set)(const struct scmi_protocol_handle *ph, u32 domain,
u32 level, bool poll);
- int (*level_get)(const struct scmi_handle *handle, u32 domain,
+ int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain,
u32 *level, bool poll);
int (*device_domain_id)(struct device *dev);
- int (*transition_latency_get)(const struct scmi_handle *handle,
+ int (*transition_latency_get)(const struct scmi_protocol_handle *ph,
struct device *dev);
- int (*device_opps_add)(const struct scmi_handle *handle,
+ int (*device_opps_add)(const struct scmi_protocol_handle *ph,
struct device *dev);
- int (*freq_set)(const struct scmi_handle *handle, u32 domain,
+ int (*freq_set)(const struct scmi_protocol_handle *ph, u32 domain,
unsigned long rate, bool poll);
- int (*freq_get)(const struct scmi_handle *handle, u32 domain,
+ int (*freq_get)(const struct scmi_protocol_handle *ph, u32 domain,
unsigned long *rate, bool poll);
- int (*est_power_get)(const struct scmi_handle *handle, u32 domain,
+ int (*est_power_get)(const struct scmi_protocol_handle *ph, u32 domain,
unsigned long *rate, unsigned long *power);
- bool (*fast_switch_possible)(const struct scmi_handle *handle,
+ bool (*fast_switch_possible)(const struct scmi_protocol_handle *ph,
struct device *dev);
+ bool (*power_scale_mw_get)(const struct scmi_protocol_handle *ph);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
- * struct scmi_power_ops - represents the various operations provided
+ * struct scmi_power_proto_ops - represents the various operations provided
* by SCMI Power Protocol
*
* @num_domains_get: get the count of power domains provided by SCMI
@@ -132,9 +141,9 @@ struct scmi_perf_ops {
* @state_set: sets the power state of a power domain
* @state_get: gets the power state of a power domain
*/
-struct scmi_power_ops {
- int (*num_domains_get)(const struct scmi_handle *handle);
- char *(*name_get)(const struct scmi_handle *handle, u32 domain);
+struct scmi_power_proto_ops {
+ int (*num_domains_get)(const struct scmi_protocol_handle *ph);
+ char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
#define SCMI_POWER_STATE_TYPE_SHIFT 30
#define SCMI_POWER_STATE_ID_MASK (BIT(28) - 1)
#define SCMI_POWER_STATE_PARAM(type, id) \
@@ -142,19 +151,190 @@ struct scmi_power_ops {
((id) & SCMI_POWER_STATE_ID_MASK))
#define SCMI_POWER_STATE_GENERIC_ON SCMI_POWER_STATE_PARAM(0, 0)
#define SCMI_POWER_STATE_GENERIC_OFF SCMI_POWER_STATE_PARAM(1, 0)
- int (*state_set)(const struct scmi_handle *handle, u32 domain,
+ int (*state_set)(const struct scmi_protocol_handle *ph, u32 domain,
u32 state);
- int (*state_get)(const struct scmi_handle *handle, u32 domain,
+ int (*state_get)(const struct scmi_protocol_handle *ph, u32 domain,
u32 *state);
+
+ ANDROID_KABI_RESERVE(1);
};
-struct scmi_sensor_info {
- u32 id;
- u8 type;
- s8 scale;
- u8 num_trip_points;
- bool async;
+/**
+ * scmi_sensor_reading - represent a timestamped read
+ *
+ * Used by @reading_get_timestamped method.
+ *
+ * @value: The signed value sensor read.
+ * @timestamp: An unsigned timestamp for the sensor read, as provided by
+ * SCMI platform. Set to zero when not available.
+ */
+struct scmi_sensor_reading {
+ long long value;
+ unsigned long long timestamp;
+};
+
+/**
+ * scmi_range_attrs - specifies a sensor or axis values' range
+ * @min_range: The minimum value which can be represented by the sensor/axis.
+ * @max_range: The maximum value which can be represented by the sensor/axis.
+ */
+struct scmi_range_attrs {
+ long long min_range;
+ long long max_range;
+};
+
+/**
+ * scmi_sensor_axis_info - describes one sensor axes
+ * @id: The axes ID.
+ * @type: Axes type. Chosen amongst one of @enum scmi_sensor_class.
+ * @scale: Power-of-10 multiplier applied to the axis unit.
+ * @name: NULL-terminated string representing axes name as advertised by
+ * SCMI platform.
+ * @extended_attrs: Flag to indicate the presence of additional extended
+ * attributes for this axes.
+ * @resolution: Extended attribute representing the resolution of the axes.
+ * Set to 0 if not reported by this axes.
+ * @exponent: Extended attribute representing the power-of-10 multiplier that
+ * is applied to the resolution field. Set to 0 if not reported by
+ * this axes.
+ * @attrs: Extended attributes representing minimum and maximum values
+ * measurable by this axes. Set to 0 if not reported by this sensor.
+ */
+struct scmi_sensor_axis_info {
+ unsigned int id;
+ unsigned int type;
+ int scale;
char name[SCMI_MAX_STR_SIZE];
+ bool extended_attrs;
+ unsigned int resolution;
+ int exponent;
+ struct scmi_range_attrs attrs;
+};
+
+/**
+ * scmi_sensor_intervals_info - describes number and type of available update
+ * intervals
+ * @segmented: Flag for segmented intervals' representation. When True there
+ * will be exactly 3 intervals in @desc, with each entry
+ * representing a member of a segment in this order:
+ * {lowest update interval, highest update interval, step size}
+ * @count: Number of intervals described in @desc.
+ * @desc: Array of @count interval descriptor bitmask represented as detailed in
+ * the SCMI specification: it can be accessed using the accompanying
+ * macros.
+ * @prealloc_pool: A minimal preallocated pool of desc entries used to avoid
+ * lesser-than-64-bytes dynamic allocation for small @count
+ * values.
+ */
+struct scmi_sensor_intervals_info {
+ bool segmented;
+ unsigned int count;
+#define SCMI_SENS_INTVL_SEGMENT_LOW 0
+#define SCMI_SENS_INTVL_SEGMENT_HIGH 1
+#define SCMI_SENS_INTVL_SEGMENT_STEP 2
+ unsigned int *desc;
+#define SCMI_SENS_INTVL_GET_SECS(x) FIELD_GET(GENMASK(20, 5), (x))
+#define SCMI_SENS_INTVL_GET_EXP(x) \
+ ({ \
+ int __signed_exp = FIELD_GET(GENMASK(4, 0), (x)); \
+ \
+ if (__signed_exp & BIT(4)) \
+ __signed_exp |= GENMASK(31, 5); \
+ __signed_exp; \
+ })
+#define SCMI_MAX_PREALLOC_POOL 16
+ unsigned int prealloc_pool[SCMI_MAX_PREALLOC_POOL];
+};
+
+/**
+ * struct scmi_sensor_info - represents information related to one of the
+ * available sensors.
+ * @id: Sensor ID.
+ * @type: Sensor type. Chosen amongst one of @enum scmi_sensor_class.
+ * @scale: Power-of-10 multiplier applied to the sensor unit.
+ * @num_trip_points: Number of maximum configurable trip points.
+ * @async: Flag for asynchronous read support.
+ * @update: Flag for continuouos update notification support.
+ * @timestamped: Flag for timestamped read support.
+ * @tstamp_scale: Power-of-10 multiplier applied to the sensor timestamps to
+ * represent it in seconds.
+ * @num_axis: Number of supported axis if any. Reported as 0 for scalar sensors.
+ * @axis: Pointer to an array of @num_axis descriptors.
+ * @intervals: Descriptor of available update intervals.
+ * @sensor_config: A bitmask reporting the current sensor configuration as
+ * detailed in the SCMI specification: it can accessed and
+ * modified through the accompanying macros.
+ * @name: NULL-terminated string representing sensor name as advertised by
+ * SCMI platform.
+ * @extended_scalar_attrs: Flag to indicate the presence of additional extended
+ * attributes for this sensor.
+ * @sensor_power: Extended attribute representing the average power
+ * consumed by the sensor in microwatts (uW) when it is active.
+ * Reported here only for scalar sensors.
+ * Set to 0 if not reported by this sensor.
+ * @resolution: Extended attribute representing the resolution of the sensor.
+ * Reported here only for scalar sensors.
+ * Set to 0 if not reported by this sensor.
+ * @exponent: Extended attribute representing the power-of-10 multiplier that is
+ * applied to the resolution field.
+ * Reported here only for scalar sensors.
+ * Set to 0 if not reported by this sensor.
+ * @scalar_attrs: Extended attributes representing minimum and maximum
+ * measurable values by this sensor.
+ * Reported here only for scalar sensors.
+ * Set to 0 if not reported by this sensor.
+ */
+struct scmi_sensor_info {
+ unsigned int id;
+ unsigned int type;
+ int scale;
+ unsigned int num_trip_points;
+ bool async;
+ bool update;
+ bool timestamped;
+ int tstamp_scale;
+ unsigned int num_axis;
+ struct scmi_sensor_axis_info *axis;
+ struct scmi_sensor_intervals_info intervals;
+ unsigned int sensor_config;
+#define SCMI_SENS_CFG_UPDATE_SECS_MASK GENMASK(31, 16)
+#define SCMI_SENS_CFG_GET_UPDATE_SECS(x) \
+ FIELD_GET(SCMI_SENS_CFG_UPDATE_SECS_MASK, (x))
+
+#define SCMI_SENS_CFG_UPDATE_EXP_MASK GENMASK(15, 11)
+#define SCMI_SENS_CFG_GET_UPDATE_EXP(x) \
+ ({ \
+ int __signed_exp = \
+ FIELD_GET(SCMI_SENS_CFG_UPDATE_EXP_MASK, (x)); \
+ \
+ if (__signed_exp & BIT(4)) \
+ __signed_exp |= GENMASK(31, 5); \
+ __signed_exp; \
+ })
+
+#define SCMI_SENS_CFG_ROUND_MASK GENMASK(10, 9)
+#define SCMI_SENS_CFG_ROUND_AUTO 2
+#define SCMI_SENS_CFG_ROUND_UP 1
+#define SCMI_SENS_CFG_ROUND_DOWN 0
+
+#define SCMI_SENS_CFG_TSTAMP_ENABLED_MASK BIT(1)
+#define SCMI_SENS_CFG_TSTAMP_ENABLE 1
+#define SCMI_SENS_CFG_TSTAMP_DISABLE 0
+#define SCMI_SENS_CFG_IS_TSTAMP_ENABLED(x) \
+ FIELD_GET(SCMI_SENS_CFG_TSTAMP_ENABLED_MASK, (x))
+
+#define SCMI_SENS_CFG_SENSOR_ENABLED_MASK BIT(0)
+#define SCMI_SENS_CFG_SENSOR_ENABLE 1
+#define SCMI_SENS_CFG_SENSOR_DISABLE 0
+ char name[SCMI_MAX_STR_SIZE];
+#define SCMI_SENS_CFG_IS_ENABLED(x) FIELD_GET(BIT(0), (x))
+ bool extended_scalar_attrs;
+ unsigned int sensor_power;
+ unsigned int resolution;
+ int exponent;
+ struct scmi_range_attrs scalar_attrs;
+
+ ANDROID_KABI_RESERVE(1);
};
/*
@@ -163,34 +343,139 @@ struct scmi_sensor_info {
*/
enum scmi_sensor_class {
NONE = 0x0,
+ UNSPEC = 0x1,
TEMPERATURE_C = 0x2,
+ TEMPERATURE_F = 0x3,
+ TEMPERATURE_K = 0x4,
VOLTAGE = 0x5,
CURRENT = 0x6,
POWER = 0x7,
ENERGY = 0x8,
+ CHARGE = 0x9,
+ VOLTAMPERE = 0xA,
+ NITS = 0xB,
+ LUMENS = 0xC,
+ LUX = 0xD,
+ CANDELAS = 0xE,
+ KPA = 0xF,
+ PSI = 0x10,
+ NEWTON = 0x11,
+ CFM = 0x12,
+ RPM = 0x13,
+ HERTZ = 0x14,
+ SECS = 0x15,
+ MINS = 0x16,
+ HOURS = 0x17,
+ DAYS = 0x18,
+ WEEKS = 0x19,
+ MILS = 0x1A,
+ INCHES = 0x1B,
+ FEET = 0x1C,
+ CUBIC_INCHES = 0x1D,
+ CUBIC_FEET = 0x1E,
+ METERS = 0x1F,
+ CUBIC_CM = 0x20,
+ CUBIC_METERS = 0x21,
+ LITERS = 0x22,
+ FLUID_OUNCES = 0x23,
+ RADIANS = 0x24,
+ STERADIANS = 0x25,
+ REVOLUTIONS = 0x26,
+ CYCLES = 0x27,
+ GRAVITIES = 0x28,
+ OUNCES = 0x29,
+ POUNDS = 0x2A,
+ FOOT_POUNDS = 0x2B,
+ OUNCE_INCHES = 0x2C,
+ GAUSS = 0x2D,
+ GILBERTS = 0x2E,
+ HENRIES = 0x2F,
+ FARADS = 0x30,
+ OHMS = 0x31,
+ SIEMENS = 0x32,
+ MOLES = 0x33,
+ BECQUERELS = 0x34,
+ PPM = 0x35,
+ DECIBELS = 0x36,
+ DBA = 0x37,
+ DBC = 0x38,
+ GRAYS = 0x39,
+ SIEVERTS = 0x3A,
+ COLOR_TEMP_K = 0x3B,
+ BITS = 0x3C,
+ BYTES = 0x3D,
+ WORDS = 0x3E,
+ DWORDS = 0x3F,
+ QWORDS = 0x40,
+ PERCENTAGE = 0x41,
+ PASCALS = 0x42,
+ COUNTS = 0x43,
+ GRAMS = 0x44,
+ NEWTON_METERS = 0x45,
+ HITS = 0x46,
+ MISSES = 0x47,
+ RETRIES = 0x48,
+ OVERRUNS = 0x49,
+ UNDERRUNS = 0x4A,
+ COLLISIONS = 0x4B,
+ PACKETS = 0x4C,
+ MESSAGES = 0x4D,
+ CHARS = 0x4E,
+ ERRORS = 0x4F,
+ CORRECTED_ERRS = 0x50,
+ UNCORRECTABLE_ERRS = 0x51,
+ SQ_MILS = 0x52,
+ SQ_INCHES = 0x53,
+ SQ_FEET = 0x54,
+ SQ_CM = 0x55,
+ SQ_METERS = 0x56,
+ RADIANS_SEC = 0x57,
+ BPM = 0x58,
+ METERS_SEC_SQUARED = 0x59,
+ METERS_SEC = 0x5A,
+ CUBIC_METERS_SEC = 0x5B,
+ MM_MERCURY = 0x5C,
+ RADIANS_SEC_SQUARED = 0x5D,
+ OEM_UNIT = 0xFF
};
/**
- * struct scmi_sensor_ops - represents the various operations provided
+ * struct scmi_sensor_proto_ops - represents the various operations provided
* by SCMI Sensor Protocol
*
* @count_get: get the count of sensors provided by SCMI
* @info_get: get the information of the specified sensor
* @trip_point_config: selects and configures a trip-point of interest
* @reading_get: gets the current value of the sensor
+ * @reading_get_timestamped: gets the current value and timestamp, when
+ * available, of the sensor. (as of v3.0 spec)
+ * Supports multi-axis sensors for sensors which
+ * supports it and if the @reading array size of
+ * @count entry equals the sensor num_axis
+ * @config_get: Get sensor current configuration
+ * @config_set: Set sensor current configuration
*/
-struct scmi_sensor_ops {
- int (*count_get)(const struct scmi_handle *handle);
+struct scmi_sensor_proto_ops {
+ int (*count_get)(const struct scmi_protocol_handle *ph);
const struct scmi_sensor_info *(*info_get)
- (const struct scmi_handle *handle, u32 sensor_id);
- int (*trip_point_config)(const struct scmi_handle *handle,
+ (const struct scmi_protocol_handle *ph, u32 sensor_id);
+ int (*trip_point_config)(const struct scmi_protocol_handle *ph,
u32 sensor_id, u8 trip_id, u64 trip_value);
- int (*reading_get)(const struct scmi_handle *handle, u32 sensor_id,
+ int (*reading_get)(const struct scmi_protocol_handle *ph, u32 sensor_id,
u64 *value);
+ int (*reading_get_timestamped)(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, u8 count,
+ struct scmi_sensor_reading *readings);
+ int (*config_get)(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, u32 *sensor_config);
+ int (*config_set)(const struct scmi_protocol_handle *ph,
+ u32 sensor_id, u32 sensor_config);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
- * struct scmi_reset_ops - represents the various operations provided
+ * struct scmi_reset_proto_ops - represents the various operations provided
* by SCMI Reset Protocol
*
* @num_domains_get: get the count of reset domains provided by SCMI
@@ -200,18 +485,82 @@ struct scmi_sensor_ops {
* @assert: explicitly assert reset signal of the specified reset domain
* @deassert: explicitly deassert reset signal of the specified reset domain
*/
-struct scmi_reset_ops {
- int (*num_domains_get)(const struct scmi_handle *handle);
- char *(*name_get)(const struct scmi_handle *handle, u32 domain);
- int (*latency_get)(const struct scmi_handle *handle, u32 domain);
- int (*reset)(const struct scmi_handle *handle, u32 domain);
- int (*assert)(const struct scmi_handle *handle, u32 domain);
- int (*deassert)(const struct scmi_handle *handle, u32 domain);
+struct scmi_reset_proto_ops {
+ int (*num_domains_get)(const struct scmi_protocol_handle *ph);
+ char *(*name_get)(const struct scmi_protocol_handle *ph, u32 domain);
+ int (*latency_get)(const struct scmi_protocol_handle *ph, u32 domain);
+ int (*reset)(const struct scmi_protocol_handle *ph, u32 domain);
+ int (*assert)(const struct scmi_protocol_handle *ph, u32 domain);
+ int (*deassert)(const struct scmi_protocol_handle *ph, u32 domain);
+
+ ANDROID_KABI_RESERVE(1);
+};
+
+/**
+ * struct scmi_voltage_info - describe one available SCMI Voltage Domain
+ *
+ * @id: the domain ID as advertised by the platform
+ * @segmented: defines the layout of the entries of array @levels_uv.
+ * - when True the entries are to be interpreted as triplets,
+ * each defining a segment representing a range of equally
+ * space voltages: <lowest_volts>, <highest_volt>, <step_uV>
+ * - when False the entries simply represent a single discrete
+ * supported voltage level
+ * @negative_volts_allowed: True if any of the entries of @levels_uv represent
+ * a negative voltage.
+ * @attributes: represents Voltage Domain advertised attributes
+ * @name: name assigned to the Voltage Domain by platform
+ * @num_levels: number of total entries in @levels_uv.
+ * @levels_uv: array of entries describing the available voltage levels for
+ * this domain.
+ */
+struct scmi_voltage_info {
+ unsigned int id;
+ bool segmented;
+ bool negative_volts_allowed;
+ unsigned int attributes;
+ char name[SCMI_MAX_STR_SIZE];
+ unsigned int num_levels;
+#define SCMI_VOLTAGE_SEGMENT_LOW 0
+#define SCMI_VOLTAGE_SEGMENT_HIGH 1
+#define SCMI_VOLTAGE_SEGMENT_STEP 2
+ int *levels_uv;
+};
+
+/**
+ * struct scmi_voltage_proto_ops - represents the various operations provided
+ * by SCMI Voltage Protocol
+ *
+ * @num_domains_get: get the count of voltage domains provided by SCMI
+ * @info_get: get the information of the specified domain
+ * @config_set: set the config for the specified domain
+ * @config_get: get the config of the specified domain
+ * @level_set: set the voltage level for the specified domain
+ * @level_get: get the voltage level of the specified domain
+ */
+struct scmi_voltage_proto_ops {
+ int (*num_domains_get)(const struct scmi_protocol_handle *ph);
+ const struct scmi_voltage_info __must_check *(*info_get)
+ (const struct scmi_protocol_handle *ph, u32 domain_id);
+ int (*config_set)(const struct scmi_protocol_handle *ph, u32 domain_id,
+ u32 config);
+#define SCMI_VOLTAGE_ARCH_STATE_OFF 0x0
+#define SCMI_VOLTAGE_ARCH_STATE_ON 0x7
+ int (*config_get)(const struct scmi_protocol_handle *ph, u32 domain_id,
+ u32 *config);
+ int (*level_set)(const struct scmi_protocol_handle *ph, u32 domain_id,
+ u32 flags, s32 volt_uV);
+ int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain_id,
+ s32 *volt_uV);
};
/**
* struct scmi_notify_ops - represents notifications' operations provided by
* SCMI core
+ * @devm_register_event_notifier: Managed registration of a notifier_block for
+ * the requested event
+ * @devm_unregister_event_notifier: Managed unregistration of a notifier_block
+ * for the requested event
* @register_event_notifier: Register a notifier_block for the requested event
* @unregister_event_notifier: Unregister a notifier_block for the requested
* event
@@ -221,7 +570,9 @@ struct scmi_reset_ops {
* tuple: (proto_id, evt_id, src_id) using the provided register/unregister
* interface where:
*
- * @handle: The handle identifying the platform instance to use
+ * @sdev: The scmi_device to use when calling the devres managed ops devm_
+ * @handle: The handle identifying the platform instance to use, when not
+ * calling the managed ops devm_
* @proto_id: The protocol ID as in SCMI Specification
* @evt_id: The message ID of the desired event as in SCMI Specification
* @src_id: A pointer to the desired source ID if different sources are
@@ -244,6 +595,13 @@ struct scmi_reset_ops {
* @report: A custom struct describing the specific event delivered
*/
struct scmi_notify_ops {
+ int (*devm_register_event_notifier)(struct scmi_device *sdev,
+ u8 proto_id, u8 evt_id, u32 *src_id,
+ struct notifier_block *nb);
+ int (*devm_unregister_event_notifier)(struct scmi_device *sdev,
+ u8 proto_id, u8 evt_id,
+ u32 *src_id,
+ struct notifier_block *nb);
int (*register_event_notifier)(const struct scmi_handle *handle,
u8 proto_id, u8 evt_id, u32 *src_id,
struct notifier_block *nb);
@@ -257,42 +615,31 @@ struct scmi_notify_ops {
*
* @dev: pointer to the SCMI device
* @version: pointer to the structure containing SCMI version information
- * @power_ops: pointer to set of power protocol operations
- * @perf_ops: pointer to set of performance protocol operations
- * @clk_ops: pointer to set of clock protocol operations
- * @sensor_ops: pointer to set of sensor protocol operations
- * @reset_ops: pointer to set of reset protocol operations
+ * @devm_acquire_protocol: devres managed method to get hold of a protocol,
+ * causing its initialization and related resource
+ * accounting
+ * @devm_get_protocol: devres managed method to acquire a protocol, causing
+ * its initialization and resource accounting, while getting
+ * protocol specific operations and a dedicated protocol
+ * handler
+ * @devm_put_protocol: devres managed method to release a protocol acquired
+ * with devm_acquire/get_protocol
* @notify_ops: pointer to set of notifications related operations
- * @perf_priv: pointer to private data structure specific to performance
- * protocol(for internal use only)
- * @clk_priv: pointer to private data structure specific to clock
- * protocol(for internal use only)
- * @power_priv: pointer to private data structure specific to power
- * protocol(for internal use only)
- * @sensor_priv: pointer to private data structure specific to sensors
- * protocol(for internal use only)
- * @reset_priv: pointer to private data structure specific to reset
- * protocol(for internal use only)
- * @notify_priv: pointer to private data structure specific to notifications
- * (for internal use only)
*/
struct scmi_handle {
struct device *dev;
struct scmi_revision_info *version;
- const struct scmi_perf_ops *perf_ops;
- const struct scmi_clk_ops *clk_ops;
- const struct scmi_power_ops *power_ops;
- const struct scmi_sensor_ops *sensor_ops;
- const struct scmi_reset_ops *reset_ops;
+
+ int __must_check (*devm_acquire_protocol)(struct scmi_device *sdev,
+ u8 proto);
+ const void __must_check *
+ (*devm_get_protocol)(struct scmi_device *sdev, u8 proto,
+ struct scmi_protocol_handle **ph);
+ void (*devm_put_protocol)(struct scmi_device *sdev, u8 proto);
+
const struct scmi_notify_ops *notify_ops;
- /* for protocol internal use */
- void *perf_priv;
- void *clk_priv;
- void *power_priv;
- void *sensor_priv;
- void *reset_priv;
- void *notify_priv;
- void *system_priv;
+
+ ANDROID_KABI_RESERVE(1);
};
enum scmi_std_protocol {
@@ -303,6 +650,7 @@ enum scmi_std_protocol {
SCMI_PROTOCOL_CLOCK = 0x14,
SCMI_PROTOCOL_SENSOR = 0x15,
SCMI_PROTOCOL_RESET = 0x16,
+ SCMI_PROTOCOL_VOLTAGE = 0x17,
};
enum scmi_system_events {
@@ -320,6 +668,8 @@ struct scmi_device {
const char *name;
struct device dev;
struct scmi_handle *handle;
+
+ ANDROID_KABI_RESERVE(1);
};
#define to_scmi_dev(d) container_of(d, struct scmi_device, dev)
@@ -376,9 +726,21 @@ static inline void scmi_driver_unregister(struct scmi_driver *driver) {}
#define module_scmi_driver(__scmi_driver) \
module_driver(__scmi_driver, scmi_register, scmi_unregister)
-typedef int (*scmi_prot_init_fn_t)(struct scmi_handle *);
-int scmi_protocol_register(int protocol_id, scmi_prot_init_fn_t fn);
-void scmi_protocol_unregister(int protocol_id);
+/**
+ * module_scmi_protocol() - Helper macro for registering a scmi protocol
+ * @__scmi_protocol: scmi_protocol structure
+ *
+ * Helper macro for scmi drivers to set up proper module init / exit
+ * functions. Replaces module_init() and module_exit() and keeps people from
+ * printing pointless things to the kernel log when their driver is loaded.
+ */
+#define module_scmi_protocol(__scmi_protocol) \
+ module_driver(__scmi_protocol, \
+ scmi_protocol_register, scmi_protocol_unregister)
+
+struct scmi_protocol;
+int scmi_protocol_register(const struct scmi_protocol *proto);
+void scmi_protocol_unregister(const struct scmi_protocol *proto);
/* SCMI Notification API - Custom Event Reports */
enum scmi_notification_events {
@@ -386,6 +748,7 @@ enum scmi_notification_events {
SCMI_EVENT_PERFORMANCE_LIMITS_CHANGED = 0x0,
SCMI_EVENT_PERFORMANCE_LEVEL_CHANGED = 0x1,
SCMI_EVENT_SENSOR_TRIP_POINT_EVENT = 0x0,
+ SCMI_EVENT_SENSOR_UPDATE = 0x1,
SCMI_EVENT_RESET_ISSUED = 0x0,
SCMI_EVENT_BASE_ERROR_EVENT = 0x0,
SCMI_EVENT_SYSTEM_POWER_STATE_NOTIFIER = 0x0,
@@ -427,6 +790,14 @@ struct scmi_sensor_trip_point_report {
unsigned int trip_point_desc;
};
+struct scmi_sensor_update_report {
+ ktime_t timestamp;
+ unsigned int agent_id;
+ unsigned int sensor_id;
+ unsigned int readings_count;
+ struct scmi_sensor_reading readings[];
+};
+
struct scmi_reset_issued_report {
ktime_t timestamp;
unsigned int agent_id;
diff --git a/include/linux/scs.h b/include/linux/scs.h
index 6dec390..18122d9 100644
--- a/include/linux/scs.h
+++ b/include/linux/scs.h
@@ -15,24 +15,18 @@
#ifdef CONFIG_SHADOW_CALL_STACK
-/*
- * In testing, 1 KiB shadow stack size (i.e. 128 stack frames on a 64-bit
- * architecture) provided ~40% safety margin on stack usage while keeping
- * memory allocation overhead reasonable.
- */
-#define SCS_SIZE SZ_1K
+#define SCS_ORDER 0
+#define SCS_SIZE (PAGE_SIZE << SCS_ORDER)
#define GFP_SCS (GFP_KERNEL | __GFP_ZERO)
/* An illegal pointer value to mark the end of the shadow stack. */
#define SCS_END_MAGIC (0x5f6UL + POISON_POINTER_DELTA)
-/* Allocate a static per-CPU shadow stack */
-#define DEFINE_SCS(name) \
- DEFINE_PER_CPU(unsigned long [SCS_SIZE/sizeof(long)], name) \
-
#define task_scs(tsk) (task_thread_info(tsk)->scs_base)
#define task_scs_sp(tsk) (task_thread_info(tsk)->scs_sp)
+void *scs_alloc(int node);
+void scs_free(void *s);
void scs_init(void);
int scs_prepare(struct task_struct *tsk, int node);
void scs_release(struct task_struct *tsk);
@@ -61,6 +55,8 @@ static inline bool task_scs_end_corrupted(struct task_struct *tsk)
#else /* CONFIG_SHADOW_CALL_STACK */
+static inline void *scs_alloc(int node) { return NULL; }
+static inline void scs_free(void *s) {}
static inline void scs_init(void) {}
static inline void scs_task_reset(struct task_struct *tsk) {}
static inline int scs_prepare(struct task_struct *tsk, int node) { return 0; }
diff --git a/include/linux/security.h b/include/linux/security.h
index 3535542..a87cbac 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -131,8 +131,6 @@ enum lockdown_reason {
LOCKDOWN_CONFIDENTIALITY_MAX,
};
-extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
-
/* These functions are in security/commoncap.c */
extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
int cap, unsigned int opts);
@@ -324,6 +322,9 @@ void security_inode_free(struct inode *inode);
int security_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr,
initxattrs initxattrs, void *fs_data);
+int security_inode_init_security_anon(struct inode *inode,
+ const struct qstr *name,
+ const struct inode *context_inode);
int security_old_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr, const char **name,
void **value, size_t *len);
@@ -738,6 +739,13 @@ static inline int security_inode_init_security(struct inode *inode,
return 0;
}
+static inline int security_inode_init_security_anon(struct inode *inode,
+ const struct qstr *name,
+ const struct inode *context_inode)
+{
+ return 0;
+}
+
static inline int security_old_inode_init_security(struct inode *inode,
struct inode *dir,
const struct qstr *qstr,
diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index 9f14f9c..54df861 100644
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -165,9 +165,21 @@ int serdev_device_add(struct serdev_device *);
void serdev_device_remove(struct serdev_device *);
struct serdev_controller *serdev_controller_alloc(struct device *, size_t);
-int serdev_controller_add(struct serdev_controller *);
+int serdev_controller_add_platform(struct serdev_controller *, bool);
void serdev_controller_remove(struct serdev_controller *);
+/**
+ * serdev_controller_add() - Add an serdev controller
+ * @ctrl: controller to be registered.
+ *
+ * Register a controller previously allocated via serdev_controller_alloc() with
+ * the serdev core.
+ */
+static inline int serdev_controller_add(struct serdev_controller *ctrl)
+{
+ return serdev_controller_add_platform(ctrl, false);
+}
+
static inline void serdev_controller_write_wakeup(struct serdev_controller *ctrl)
{
struct serdev_device *serdev = ctrl->serdev;
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index ff63c29..0a361d4 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -17,6 +17,7 @@
#include <linux/tty.h>
#include <linux/mutex.h>
#include <linux/sysrq.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/serial_core.h>
#ifdef CONFIG_SERIAL_CORE_CONSOLE
@@ -80,6 +81,9 @@ struct uart_ops {
void (*poll_put_char)(struct uart_port *, unsigned char);
int (*poll_get_char)(struct uart_port *);
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define NO_POLL_CHAR 0x00ff0000
@@ -256,6 +260,9 @@ struct uart_port {
struct gpio_desc *rs485_term_gpio; /* enable RS485 bus termination */
struct serial_iso7816 iso7816;
void *private_data; /* generic platform data pointer */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
static inline int serial_port_in(struct uart_port *up, int offset)
@@ -318,6 +325,8 @@ struct uart_driver {
*/
struct uart_state *state;
struct tty_driver *tty_driver;
+
+ ANDROID_KABI_RESERVE(1);
};
void uart_write_wakeup(struct uart_port *port);
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 6c27d41..25d638f5 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -13,6 +13,7 @@
#include <linux/mutex.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/serio.h>
extern struct bus_type serio_bus;
@@ -61,6 +62,8 @@ struct serio {
* may get indigestion when exposed to concurrent access (i8042).
*/
struct mutex *ps2_cmd_mutex;
+
+ ANDROID_KABI_RESERVE(1);
};
#define to_serio_port(d) container_of(d, struct serio, dev)
@@ -79,6 +82,8 @@ struct serio_driver {
void (*cleanup)(struct serio *);
struct device_driver driver;
+
+ ANDROID_KABI_RESERVE(1);
};
#define to_serio_driver(d) container_of(d, struct serio_driver, driver)
diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h
index a5a5d1d..1bf2615 100644
--- a/include/linux/shmem_fs.h
+++ b/include/linux/shmem_fs.h
@@ -85,6 +85,7 @@ extern bool shmem_huge_enabled(struct vm_area_struct *vma);
extern unsigned long shmem_swap_usage(struct vm_area_struct *vma);
extern unsigned long shmem_partial_swap_usage(struct address_space *mapping,
pgoff_t start, pgoff_t end);
+extern void shmem_mark_page_lazyfree(struct page *page, bool tail);
/* Flag allocation requirements to shmem_getpage */
enum sgp_type {
@@ -118,21 +119,18 @@ static inline bool shmem_file(struct file *file)
extern bool shmem_charge(struct inode *inode, long pages);
extern void shmem_uncharge(struct inode *inode, long pages);
+#ifdef CONFIG_USERFAULTFD
#ifdef CONFIG_SHMEM
-extern int shmem_mcopy_atomic_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
+extern int shmem_mfill_atomic_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
struct vm_area_struct *dst_vma,
unsigned long dst_addr,
unsigned long src_addr,
+ bool zeropage,
struct page **pagep);
-extern int shmem_mfill_zeropage_pte(struct mm_struct *dst_mm,
- pmd_t *dst_pmd,
- struct vm_area_struct *dst_vma,
- unsigned long dst_addr);
-#else
-#define shmem_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma, dst_addr, \
- src_addr, pagep) ({ BUG(); 0; })
-#define shmem_mfill_zeropage_pte(dst_mm, dst_pmd, dst_vma, \
- dst_addr) ({ BUG(); 0; })
-#endif
+#else /* !CONFIG_SHMEM */
+#define shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr, \
+ src_addr, zeropage, pagep) ({ BUG(); 0; })
+#endif /* CONFIG_SHMEM */
+#endif /* CONFIG_USERFAULTFD */
#endif
diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h
index 0f80123..68c6dd3 100644
--- a/include/linux/shrinker.h
+++ b/include/linux/shrinker.h
@@ -2,6 +2,8 @@
#ifndef _LINUX_SHRINKER_H
#define _LINUX_SHRINKER_H
+#include <linux/android_vendor.h>
+
/*
* This struct is used to pass information from page reclaim to the shrinkers.
* We consolidate the values for easier extention later.
@@ -31,6 +33,7 @@ struct shrink_control {
/* current memcg being shrunk (for memcg aware shrinkers) */
struct mem_cgroup *memcg;
+ ANDROID_OEM_DATA_ARRAY(1, 3);
};
#define SHRINK_STOP (~0UL)
diff --git a/include/linux/signal.h b/include/linux/signal.h
index b256f9c..205526c 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -469,4 +469,18 @@ struct seq_file;
extern void render_sigset_t(struct seq_file *, const char *, sigset_t *);
#endif
+#ifndef arch_untagged_si_addr
+/*
+ * Given a fault address and a signal and si_code which correspond to the
+ * _sigfault union member, returns the address that must appear in si_addr if
+ * the signal handler does not have SA_EXPOSE_TAGBITS enabled in sa_flags.
+ */
+static inline void __user *arch_untagged_si_addr(void __user *addr,
+ unsigned long sig,
+ unsigned long si_code)
+{
+ return addr;
+}
+#endif
+
#endif /* _LINUX_SIGNAL_H */
diff --git a/include/linux/signal_types.h b/include/linux/signal_types.h
index f8a90ae..68e06c7 100644
--- a/include/linux/signal_types.h
+++ b/include/linux/signal_types.h
@@ -68,4 +68,16 @@ struct ksignal {
int sig;
};
+#ifndef __ARCH_UAPI_SA_FLAGS
+#ifdef SA_RESTORER
+#define __ARCH_UAPI_SA_FLAGS SA_RESTORER
+#else
+#define __ARCH_UAPI_SA_FLAGS 0
+#endif
+#endif
+
+#define UAPI_SA_FLAGS \
+ (SA_NOCLDSTOP | SA_NOCLDWAIT | SA_SIGINFO | SA_ONSTACK | SA_RESTART | \
+ SA_NODEFER | SA_RESETHAND | SA_EXPOSE_TAGBITS | __ARCH_UAPI_SA_FLAGS)
+
#endif /* _LINUX_SIGNAL_TYPES_H */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index acbf187..f84c150 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -40,6 +40,8 @@
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
#include <linux/netfilter/nf_conntrack_common.h>
#endif
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
/* The interface for checksum offload between the stack and networking drivers
* is as follows...
@@ -531,6 +533,8 @@ struct skb_shared_info {
* remains valid until skb destructor */
void * destructor_arg;
+ ANDROID_OEM_DATA_ARRAY(1, 3);
+
/* must be last field, see pskb_expand_head() */
skb_frag_t frags[MAX_SKB_FRAGS];
};
@@ -908,6 +912,9 @@ struct sk_buff {
__u32 headers_end[0];
/* public: */
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
/* These elements must be at the end, see alloc_skb() for details. */
sk_buff_data_t tail;
sk_buff_data_t end;
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 9eb430c16..3aa5e1e 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_SLAB_DEF_H
#define _LINUX_SLAB_DEF_H
+#include <linux/kfence.h>
#include <linux/reciprocal_div.h>
/*
@@ -114,6 +115,8 @@ static inline unsigned int obj_to_index(const struct kmem_cache *cache,
static inline int objs_per_slab_page(const struct kmem_cache *cache,
const struct page *page)
{
+ if (is_kfence_address(page_address(page)))
+ return 1;
return cache->num;
}
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 1be0ed5..dcde82a 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -7,6 +7,7 @@
*
* (C) 2007 SGI, Christoph Lameter
*/
+#include <linux/kfence.h>
#include <linux/kobject.h>
#include <linux/reciprocal_div.h>
@@ -185,6 +186,8 @@ static inline unsigned int __obj_to_index(const struct kmem_cache *cache,
static inline unsigned int obj_to_index(const struct kmem_cache *cache,
const struct page *page, void *obj)
{
+ if (is_kfence_address(obj))
+ return 0;
return __obj_to_index(cache, page_address(page), obj);
}
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 04f44e0..7ce15c3 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -127,6 +127,7 @@ int smp_call_function_any(const struct cpumask *mask,
void kick_all_cpus_sync(void);
void wake_up_all_idle_cpus(void);
+void wake_up_all_online_idle_cpus(void);
/*
* Generic and arch helpers
@@ -182,6 +183,7 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
static inline void kick_all_cpus_sync(void) { }
static inline void wake_up_all_idle_cpus(void) { }
+static inline void wake_up_all_online_idle_cpus(void) { }
#ifdef CONFIG_UP_LATE_INIT
extern void __init up_late_init(void);
diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h
index 159463c..2b65c9e 100644
--- a/include/linux/spi/spi-mem.h
+++ b/include/linux/spi/spi-mem.h
@@ -311,6 +311,9 @@ void spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr,
bool spi_mem_default_supports_op(struct spi_mem *mem,
const struct spi_mem_op *op);
+bool spi_mem_dtr_supports_op(struct spi_mem *mem,
+ const struct spi_mem_op *op);
+
#else
static inline int
spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr,
@@ -334,6 +337,12 @@ bool spi_mem_default_supports_op(struct spi_mem *mem,
return false;
}
+static inline
+bool spi_mem_dtr_supports_op(struct spi_mem *mem,
+ const struct spi_mem_op *op)
+{
+ return false;
+}
#endif /* CONFIG_SPI_MEM */
int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op);
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index e1d8863..f50c766 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -14,6 +14,7 @@
#include <linux/scatterlist.h>
#include <linux/gpio/consumer.h>
#include <linux/ptp_clock_kernel.h>
+#include <linux/android_kabi.h>
struct dma_chan;
struct property_entry;
@@ -197,6 +198,9 @@ struct spi_device {
/* the statistics */
struct spi_statistics statistics;
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
/*
* likely need more hooks for more protocol options affecting how
* the controller talks to each chip, like:
@@ -281,6 +285,8 @@ struct spi_driver {
int (*remove)(struct spi_device *spi);
void (*shutdown)(struct spi_device *spi);
struct device_driver driver;
+
+ ANDROID_KABI_RESERVE(1);
};
static inline struct spi_driver *to_spi_driver(struct device_driver *drv)
@@ -511,9 +517,6 @@ struct spi_controller {
#define SPI_MASTER_GPIO_SS BIT(5) /* GPIO CS must select slave */
- /* flag indicating this is a non-devres managed controller */
- bool devm_allocated;
-
/* flag indicating this is an SPI slave controller */
bool slave;
@@ -646,8 +649,15 @@ struct spi_controller {
int *cs_gpios;
struct gpio_desc **cs_gpiods;
bool use_gpio_descriptors;
+// KABI fix up for 35f3f8504c3b ("spi: Switch to signed types for *_native_cs
+// SPI controller fields") that showed up in 5.10.63
+#ifdef __GENKSYMS__
+ u8 unused_native_cs;
+ u8 max_native_cs;
+#else
s8 unused_native_cs;
s8 max_native_cs;
+#endif
/* statistics */
struct spi_statistics statistics;
@@ -670,6 +680,9 @@ struct spi_controller {
/* Interrupt enable state during PTP system timestamping */
unsigned long irq_flags;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
static inline void *spi_controller_get_devdata(struct spi_controller *ctlr)
@@ -967,6 +980,8 @@ struct spi_transfer {
#define SPI_TRANS_FAIL_NO_START BIT(0)
u16 error;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -1033,6 +1048,8 @@ struct spi_message {
/* list of spi_res reources when the spi message is processed */
struct list_head resources;
+
+ ANDROID_KABI_RESERVE(1);
};
static inline void spi_message_init_no_memset(struct spi_message *m)
@@ -1471,6 +1488,8 @@ struct spi_board_info {
*/
u32 mode;
+ ANDROID_KABI_RESERVE(1);
+
/* ... may need additional spi_device chip config data here.
* avoid stuff protocol drivers can set; but include stuff
* needed to behave without being bound to a driver:
diff --git a/include/linux/spmi.h b/include/linux/spmi.h
index 394a3f6..6744f7c 100644
--- a/include/linux/spmi.h
+++ b/include/linux/spmi.h
@@ -7,6 +7,7 @@
#include <linux/types.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
+#include <linux/android_kabi.h>
/* Maximum slave identifier */
#define SPMI_MAX_SLAVE_ID 16
@@ -85,6 +86,7 @@ struct spmi_controller {
u8 sid, u16 addr, u8 *buf, size_t len);
int (*write_cmd)(struct spmi_controller *ctrl, u8 opcode,
u8 sid, u16 addr, const u8 *buf, size_t len);
+ ANDROID_KABI_RESERVE(1);
};
static inline struct spmi_controller *to_spmi_controller(struct device *d)
@@ -138,6 +140,7 @@ struct spmi_driver {
struct device_driver driver;
int (*probe)(struct spmi_device *sdev);
void (*remove)(struct spmi_device *sdev);
+ ANDROID_KABI_RESERVE(1);
};
static inline struct spmi_driver *to_spmi_driver(struct device_driver *d)
diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h
index 24d49c7..6bb4bc1 100644
--- a/include/linux/stackdepot.h
+++ b/include/linux/stackdepot.h
@@ -21,4 +21,13 @@ unsigned int stack_depot_fetch(depot_stack_handle_t handle,
unsigned int filter_irq_stacks(unsigned long *entries, unsigned int nr_entries);
+#ifdef CONFIG_STACKDEPOT
+int stack_depot_init(void);
+#else
+static inline int stack_depot_init(void)
+{
+ return 0;
+}
+#endif /* CONFIG_STACKDEPOT */
+
#endif
diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h
index 63ea9af..ddafb3c 100644
--- a/include/linux/stop_machine.h
+++ b/include/linux/stop_machine.h
@@ -28,6 +28,16 @@ struct cpu_stop_work {
struct cpu_stop_done *done;
};
+/*
+ * Structure to determine completion condition and record errors. May
+ * be shared by works on different cpus.
+ */
+struct cpu_stop_done {
+ atomic_t nr_todo; /* nr left to execute */
+ int ret; /* collected return value */
+ struct completion completion; /* fired if nr_todo reaches 0 */
+};
+
int stop_one_cpu(unsigned int cpu, cpu_stop_fn_t fn, void *arg);
int stop_two_cpus(unsigned int cpu1, unsigned int cpu2, cpu_stop_fn_t fn, void *arg);
bool stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
@@ -35,6 +45,10 @@ bool stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
void stop_machine_park(int cpu);
void stop_machine_unpark(int cpu);
void stop_machine_yield(const struct cpumask *cpumask);
+int stop_one_cpu_async(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
+ struct cpu_stop_work *work_buf,
+ struct cpu_stop_done *done);
+void cpu_stop_work_wait(struct cpu_stop_work *work_buf);
#else /* CONFIG_SMP */
diff --git a/include/linux/string.h b/include/linux/string.h
index b1f3894..016a157 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -266,7 +266,7 @@ void __write_overflow(void) __compiletime_error("detected write beyond size of o
#if !defined(__NO_FORTIFY) && defined(__OPTIMIZE__) && defined(CONFIG_FORTIFY_SOURCE)
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr);
extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp);
extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy);
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 8af13ba..fa2ea36 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -8,6 +8,7 @@
#include <linux/pm.h>
#include <linux/mm.h>
#include <linux/freezer.h>
+#include <linux/android_kabi.h>
#include <asm/errno.h>
#ifdef CONFIG_VT
@@ -185,6 +186,8 @@ struct platform_suspend_ops {
bool (*suspend_again)(void);
void (*end)(void);
void (*recover)(void);
+
+ ANDROID_KABI_RESERVE(1);
};
struct platform_s2idle_ops {
@@ -195,6 +198,8 @@ struct platform_s2idle_ops {
void (*restore_early)(void);
void (*restore)(void);
void (*end)(void);
+
+ ANDROID_KABI_RESERVE(1);
};
#ifdef CONFIG_SUSPEND
@@ -426,6 +431,8 @@ struct platform_hibernation_ops {
int (*pre_restore)(void);
void (*restore_cleanup)(void);
void (*recover)(void);
+
+ ANDROID_KABI_RESERVE(1);
};
#ifdef CONFIG_HIBERNATION
@@ -517,6 +524,7 @@ extern bool pm_get_wakeup_count(unsigned int *count, bool block);
extern bool pm_save_wakeup_count(unsigned int count);
extern void pm_wakep_autosleep_enabled(bool set);
extern void pm_print_active_wakeup_sources(void);
+extern void pm_get_active_wakeup_sources(char *pending_sources, size_t max);
extern void lock_system_sleep(void);
extern void unlock_system_sleep(void);
diff --git a/include/linux/swap.h b/include/linux/swap.h
index fbc6805..beda0a5 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -341,6 +341,10 @@ extern void lru_cache_add(struct page *);
extern void lru_add_page_tail(struct page *page, struct page *page_tail,
struct lruvec *lruvec, struct list_head *head);
extern void mark_page_accessed(struct page *);
+
+extern bool lru_cache_disabled(void);
+extern void lru_cache_disable(void);
+extern void lru_cache_enable(void);
extern void lru_add_drain(void);
extern void lru_add_drain_cpu(int cpu);
extern void lru_add_drain_cpu_zone(struct zone *zone);
@@ -349,10 +353,17 @@ extern void rotate_reclaimable_page(struct page *page);
extern void deactivate_file_page(struct page *page);
extern void deactivate_page(struct page *page);
extern void mark_page_lazyfree(struct page *page);
+extern void mark_page_lazyfree_movetail(struct page *page, bool tail);
extern void swap_setup(void);
-extern void lru_cache_add_inactive_or_unevictable(struct page *page,
- struct vm_area_struct *vma);
+extern void __lru_cache_add_inactive_or_unevictable(struct page *page,
+ unsigned long vma_flags);
+
+static inline void lru_cache_add_inactive_or_unevictable(struct page *page,
+ struct vm_area_struct *vma)
+{
+ return __lru_cache_add_inactive_or_unevictable(page, vma->vm_flags);
+}
/* linux/mm/vmscan.c */
extern unsigned long zone_reclaimable_pages(struct zone *zone);
@@ -674,7 +685,13 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem)
#endif
#if defined(CONFIG_SWAP) && defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP)
-extern void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask);
+extern void __cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask);
+static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
+{
+ if (mem_cgroup_disabled())
+ return;
+ __cgroup_throttle_swaprate(page, gfp_mask);
+}
#else
static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
{
@@ -683,8 +700,22 @@ static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
#ifdef CONFIG_MEMCG_SWAP
extern void mem_cgroup_swapout(struct page *page, swp_entry_t entry);
-extern int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry);
-extern void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages);
+extern int __mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry);
+static inline int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
+{
+ if (mem_cgroup_disabled())
+ return 0;
+ return __mem_cgroup_try_charge_swap(page, entry);
+}
+
+extern void __mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages);
+static inline void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
+{
+ if (mem_cgroup_disabled())
+ return;
+ __mem_cgroup_uncharge_swap(entry, nr_pages);
+}
+
extern long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg);
extern bool mem_cgroup_swap_full(struct page *page);
#else
diff --git a/include/linux/task_io_accounting.h b/include/linux/task_io_accounting.h
index 6f6acce..bb26108 100644
--- a/include/linux/task_io_accounting.h
+++ b/include/linux/task_io_accounting.h
@@ -19,6 +19,8 @@ struct task_io_accounting {
u64 syscr;
/* # of write syscalls */
u64 syscw;
+ /* # of fsync syscalls */
+ u64 syscfs;
#endif /* CONFIG_TASK_XACCT */
#ifdef CONFIG_TASK_IO_ACCOUNTING
diff --git a/include/linux/task_io_accounting_ops.h b/include/linux/task_io_accounting_ops.h
index bb5498b..733ab62 100644
--- a/include/linux/task_io_accounting_ops.h
+++ b/include/linux/task_io_accounting_ops.h
@@ -97,6 +97,7 @@ static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
dst->wchar += src->wchar;
dst->syscr += src->syscr;
dst->syscw += src->syscw;
+ dst->syscfs += src->syscfs;
}
#else
static inline void task_chr_io_accounting_add(struct task_io_accounting *dst,
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 2f87377..b163dbd 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -16,6 +16,7 @@
#include <linux/skbuff.h>
#include <linux/win_minmax.h>
+#include <linux/android_kabi.h>
#include <net/sock.h>
#include <net/inet_connection_sock.h>
#include <net/inet_timewait_sock.h>
@@ -412,6 +413,8 @@ struct tcp_sock {
*/
struct request_sock __rcu *fastopen_rsk;
struct saved_syn *saved_syn;
+
+ ANDROID_KABI_RESERVE(1);
};
enum tsq_enum {
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 176d945..a8b81be 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -15,6 +15,7 @@
#include <linux/device.h>
#include <linux/sysfs.h>
#include <linux/workqueue.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/thermal.h>
#define THERMAL_TRIPS_NONE -1
@@ -79,6 +80,7 @@ struct thermal_zone_device_ops {
enum thermal_trend *);
int (*notify) (struct thermal_zone_device *, int,
enum thermal_trip_type);
+ ANDROID_KABI_RESERVE(1);
};
struct thermal_cooling_device_ops {
@@ -88,6 +90,8 @@ struct thermal_cooling_device_ops {
int (*get_requested_power)(struct thermal_cooling_device *, u32 *);
int (*state2power)(struct thermal_cooling_device *, unsigned long, u32 *);
int (*power2state)(struct thermal_cooling_device *, u32, unsigned long *);
+
+ ANDROID_KABI_RESERVE(1);
};
struct thermal_cooling_device {
@@ -102,6 +106,8 @@ struct thermal_cooling_device {
struct mutex lock; /* protect thermal_instances list */
struct list_head thermal_instances;
struct list_head node;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -179,6 +185,8 @@ struct thermal_zone_device {
struct list_head node;
struct delayed_work poll_queue;
enum thermal_notify_event notify_event;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -199,6 +207,8 @@ struct thermal_governor {
void (*unbind_from_tz)(struct thermal_zone_device *tz);
int (*throttle)(struct thermal_zone_device *tz, int trip);
struct list_head governor_list;
+
+ ANDROID_KABI_RESERVE(1);
};
/* Structure that holds binding parameters for a zone */
@@ -234,6 +244,8 @@ struct thermal_bind_params {
unsigned long *binding_limits;
int (*match) (struct thermal_zone_device *tz,
struct thermal_cooling_device *cdev);
+
+ ANDROID_KABI_RESERVE(1);
};
/* Structure to define Thermal Zone parameters */
@@ -287,6 +299,8 @@ struct thermal_zone_params {
* Used by thermal zone drivers (default 0).
*/
int offset;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -311,6 +325,8 @@ struct thermal_zone_of_device_ops {
int (*set_trips)(void *, int, int);
int (*set_emul_temp)(void *, int);
int (*set_trip_temp)(void *, int, int);
+
+ ANDROID_KABI_RESERVE(1);
};
/* Function declarations */
@@ -399,6 +415,7 @@ void thermal_cdev_update(struct thermal_cooling_device *);
void thermal_notify_framework(struct thermal_zone_device *, int);
int thermal_zone_device_enable(struct thermal_zone_device *tz);
int thermal_zone_device_disable(struct thermal_zone_device *tz);
+int thermal_zone_device_is_enabled(struct thermal_zone_device *tz);
#else
static inline struct thermal_zone_device *thermal_zone_device_register(
const char *type, int trips, int mask, void *devdata,
@@ -453,6 +470,10 @@ static inline int thermal_zone_device_enable(struct thermal_zone_device *tz)
static inline int thermal_zone_device_disable(struct thermal_zone_device *tz)
{ return -ENODEV; }
+
+static inline int
+thermal_zone_device_is_enabled(struct thermal_zone_device *tz)
+{ return -ENODEV; }
#endif /* CONFIG_THERMAL */
#endif /* __THERMAL_H__ */
diff --git a/include/linux/timer.h b/include/linux/timer.h
index d10bc7e..a01c238 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -7,6 +7,7 @@
#include <linux/stddef.h>
#include <linux/debugobjects.h>
#include <linux/stringify.h>
+#include <linux/android_kabi.h>
struct timer_list {
/*
@@ -21,6 +22,9 @@ struct timer_list {
#ifdef CONFIG_LOCKDEP
struct lockdep_map lockdep_map;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#ifdef CONFIG_LOCKDEP
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index e4c5df7..c51a002 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -245,7 +245,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
extern int __traceiter_##name(data_proto); \
DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name); \
extern struct tracepoint __tracepoint_##name; \
- static inline void trace_##name(proto) \
+ static inline void __nocfi trace_##name(proto) \
{ \
if (static_key_false(&__tracepoint_##name.key)) \
__DO_TRACE(name, \
@@ -310,7 +310,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
.unregfunc = _unreg, \
.funcs = NULL }; \
__TRACEPOINT_ENTRY(_name); \
- int __traceiter_##_name(void *__data, proto) \
+ int __nocfi __traceiter_##_name(void *__data, proto) \
{ \
struct tracepoint_func *it_func_ptr; \
void *it_func; \
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 5972f43..bd76f2f 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -14,6 +14,7 @@
#include <uapi/linux/tty.h>
#include <linux/rwsem.h>
#include <linux/llist.h>
+#include <linux/android_kabi.h>
/*
@@ -218,6 +219,8 @@ struct tty_port_operations {
int (*activate)(struct tty_port *port, struct tty_struct *tty);
/* Called on the final put of a port */
void (*destruct)(struct tty_port *port);
+
+ ANDROID_KABI_RESERVE(1);
};
struct tty_port_client_operations {
@@ -252,6 +255,8 @@ struct tty_port {
set to size of fifo */
struct kref kref; /* Ref counter */
void *client_data;
+
+ ANDROID_KABI_RESERVE(1);
};
/* tty_port::iflags bits -- use atomic bit ops */
@@ -303,6 +308,10 @@ struct tty_struct {
spinlock_t flow_lock;
/* Termios values are protected by the termios rwsem */
struct ktermios termios, termios_locked;
+
+ /* termiox is estored only for ABI preservation, do not use */
+ struct termiox *termiox;
+
char name[64];
struct pid *pgrp; /* Protected by ctrl lock */
/*
@@ -341,6 +350,9 @@ struct tty_struct {
/* If the tty has a pending do_SAK, queue it here - akpm */
struct work_struct SAK_work;
struct tty_port *port;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
} __randomize_layout;
/* Each of a tty's open files has private_data pointing to tty_file_private */
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 2f719b4..61f2937 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -237,6 +237,7 @@
#include <linux/cdev.h>
#include <linux/termios.h>
#include <linux/seq_file.h>
+#include <linux/android_kabi.h>
struct tty_struct;
struct tty_driver;
@@ -277,6 +278,10 @@ struct tty_operations {
int (*tiocmset)(struct tty_struct *tty,
unsigned int set, unsigned int clear);
int (*resize)(struct tty_struct *tty, struct winsize *ws);
+
+ /* only for abi preservation */
+ int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew);
+
int (*get_icount)(struct tty_struct *tty,
struct serial_icounter_struct *icount);
int (*get_serial)(struct tty_struct *tty, struct serial_struct *p);
@@ -288,6 +293,9 @@ struct tty_operations {
void (*poll_put_char)(struct tty_driver *driver, int line, char ch);
#endif
int (*proc_show)(struct seq_file *, void *);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
} __randomize_layout;
struct tty_driver {
@@ -322,6 +330,9 @@ struct tty_driver {
const struct tty_operations *ops;
struct list_head tty_drivers;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
} __randomize_layout;
extern struct list_head tty_drivers;
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 572a079..689ba48 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -126,6 +126,7 @@
#include <linux/fs.h>
#include <linux/wait.h>
#include <linux/atomic.h>
+#include <linux/android_kabi.h>
/*
* the semaphore definition
@@ -211,6 +212,9 @@ struct tty_ldisc_ops {
struct module *owner;
int refcount;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct tty_ldisc {
diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index 54bf6b1..77131e8 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -16,6 +16,7 @@
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
+#include <linux/android_kabi.h>
struct module;
struct uio_map;
@@ -77,6 +78,8 @@ struct uio_device {
struct mutex info_lock;
struct kobject *map_dir;
struct kobject *portio_dir;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -109,6 +112,7 @@ struct uio_info {
int (*open)(struct uio_info *info, struct inode *inode);
int (*release)(struct uio_info *info, struct inode *inode);
int (*irqcontrol)(struct uio_info *info, s32 irq_on);
+ ANDROID_KABI_RESERVE(1);
};
extern int __must_check
diff --git a/include/linux/units.h b/include/linux/units.h
index aaf7163..92c234e 100644
--- a/include/linux/units.h
+++ b/include/linux/units.h
@@ -4,6 +4,10 @@
#include <linux/kernel.h>
+#define MILLIWATT_PER_WATT 1000L
+#define MICROWATT_PER_MILLIWATT 1000L
+#define MICROWATT_PER_WATT 1000000L
+
#define ABSOLUTE_ZERO_MILLICELSIUS -273150
static inline long milli_kelvin_to_millicelsius(long t)
diff --git a/include/linux/usb.h b/include/linux/usb.h
index d6a4184..befa2710 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -22,6 +22,7 @@
#include <linux/sched.h> /* for current && schedule_timeout */
#include <linux/mutex.h> /* for struct mutex */
#include <linux/pm_runtime.h> /* for runtime PM */
+#include <linux/android_kabi.h>
struct usb_device;
struct usb_driver;
@@ -257,6 +258,11 @@ struct usb_interface {
struct device dev; /* interface specific device info */
struct device *usb_dev;
struct work_struct reset_ws; /* for resets in atomic context */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define to_usb_interface(d) container_of(d, struct usb_interface, dev)
@@ -402,6 +408,11 @@ struct usb_host_bos {
struct usb_ssp_cap_descriptor *ssp_cap;
struct usb_ss_container_id_descriptor *ss_id;
struct usb_ptm_cap_descriptor *ptm_cap;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
int __usb_get_extra_descriptor(char *buffer, unsigned size,
@@ -465,6 +476,11 @@ struct usb_bus {
struct mon_bus *mon_bus; /* non-null when associated */
int monitored; /* non-zero when monitored */
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct usb_dev_state;
@@ -709,6 +725,11 @@ struct usb_device {
u16 hub_delay;
unsigned use_generic_driver:1;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)
@@ -1210,6 +1231,11 @@ struct usb_driver {
unsigned int supports_autosuspend:1;
unsigned int disable_hub_initiated_lpm:1;
unsigned int soft_unbind:1;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define to_usb_driver(d) container_of(d, struct usb_driver, drvwrap.driver)
@@ -1595,6 +1621,12 @@ struct urb {
int error_count; /* (return) number of ISO errors */
void *context; /* (in) context for completion */
usb_complete_t complete; /* (in) completion routine */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
struct usb_iso_packet_descriptor iso_frame_desc[];
/* (in) ISO ONLY */
};
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 604c6c5..1cffa34 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -36,62 +36,24 @@
#include <linux/device.h>
#include <uapi/linux/usb/ch9.h>
-/**
- * usb_ep_type_string() - Returns human readable-name of the endpoint type.
- * @ep_type: The endpoint type to return human-readable name for. If it's not
- * any of the types: USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT},
- * usually got by usb_endpoint_type(), the string 'unknown' will be returned.
- */
+/* USB 3.2 SuperSpeed Plus phy signaling rate generation and lane count */
+
+enum usb_ssp_rate {
+ USB_SSP_GEN_UNKNOWN = 0,
+ USB_SSP_GEN_2x1,
+ USB_SSP_GEN_1x2,
+ USB_SSP_GEN_2x2,
+};
+
extern const char *usb_ep_type_string(int ep_type);
-
-/**
- * usb_speed_string() - Returns human readable-name of the speed.
- * @speed: The speed to return human-readable name for. If it's not
- * any of the speeds defined in usb_device_speed enum, string for
- * USB_SPEED_UNKNOWN will be returned.
- */
extern const char *usb_speed_string(enum usb_device_speed speed);
-
-/**
- * usb_get_maximum_speed - Get maximum requested speed for a given USB
- * controller.
- * @dev: Pointer to the given USB controller device
- *
- * The function gets the maximum speed string from property "maximum-speed",
- * and returns the corresponding enum usb_device_speed.
- */
extern enum usb_device_speed usb_get_maximum_speed(struct device *dev);
-
-/**
- * usb_state_string - Returns human readable name for the state.
- * @state: The state to return a human-readable name for. If it's not
- * any of the states devices in usb_device_state_string enum,
- * the string UNKNOWN will be returned.
- */
+extern enum usb_ssp_rate usb_get_maximum_ssp_rate(struct device *dev);
extern const char *usb_state_string(enum usb_device_state state);
+unsigned int usb_decode_interval(const struct usb_endpoint_descriptor *epd,
+ enum usb_device_speed speed);
#ifdef CONFIG_TRACING
-/**
- * usb_decode_ctrl - Returns human readable representation of control request.
- * @str: buffer to return a human-readable representation of control request.
- * This buffer should have about 200 bytes.
- * @size: size of str buffer.
- * @bRequestType: matches the USB bmRequestType field
- * @bRequest: matches the USB bRequest field
- * @wValue: matches the USB wValue field (CPU byte order)
- * @wIndex: matches the USB wIndex field (CPU byte order)
- * @wLength: matches the USB wLength field (CPU byte order)
- *
- * Function returns decoded, formatted and human-readable description of
- * control request packet.
- *
- * The usage scenario for this is for tracepoints, so function as a return
- * use the same value as in parameters. This approach allows to use this
- * function in TP_printk
- *
- * Important: wValue, wIndex, wLength parameters before invoking this function
- * should be processed by le16_to_cpu macro.
- */
extern const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType,
__u8 bRequest, __u16 wValue, __u16 wIndex,
__u16 wLength);
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index a2d229a..4d35220 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -525,6 +525,8 @@ extern struct usb_string *usb_gstrings_attach(struct usb_composite_dev *cdev,
extern int usb_string_ids_n(struct usb_composite_dev *c, unsigned n);
extern void composite_disconnect(struct usb_gadget *gadget);
+extern void composite_reset(struct usb_gadget *gadget);
+
extern int composite_setup(struct usb_gadget *gadget,
const struct usb_ctrlrequest *ctrl);
extern void composite_suspend(struct usb_gadget *gadget);
@@ -590,6 +592,7 @@ struct usb_function_instance {
struct config_group group;
struct list_head cfs_list;
struct usb_function_driver *fd;
+ struct usb_function *f;
int (*set_inst_name)(struct usb_function_instance *inst,
const char *name);
void (*free_func_inst)(struct usb_function_instance *inst);
diff --git a/include/linux/usb/f_accessory.h b/include/linux/usb/f_accessory.h
new file mode 100644
index 0000000..ebe3c4d
--- /dev/null
+++ b/include/linux/usb/f_accessory.h
@@ -0,0 +1,23 @@
+/*
+ * Gadget Function Driver for Android USB accessories
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Author: Mike Lockwood <lockwood@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_USB_F_ACCESSORY_H
+#define __LINUX_USB_F_ACCESSORY_H
+
+#include <uapi/linux/usb/f_accessory.h>
+
+#endif /* __LINUX_USB_F_ACCESSORY_H */
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index e7351d6..2286ff7 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -26,6 +26,7 @@
#include <linux/types.h>
#include <linux/workqueue.h>
#include <linux/usb/ch9.h>
+#include <linux/android_kabi.h>
#define UDC_TRACE_STR_MAX 512
@@ -122,6 +123,8 @@ struct usb_request {
int status;
unsigned actual;
+
+ ANDROID_KABI_RESERVE(1);
};
/*-------------------------------------------------------------------------*/
@@ -152,6 +155,8 @@ struct usb_ep_ops {
int (*fifo_status) (struct usb_ep *ep);
void (*fifo_flush) (struct usb_ep *ep);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -240,6 +245,8 @@ struct usb_ep {
u8 address;
const struct usb_endpoint_descriptor *desc;
const struct usb_ss_ep_comp_descriptor *comp_desc;
+
+ ANDROID_KABI_RESERVE(1);
};
/*-------------------------------------------------------------------------*/
@@ -323,9 +330,18 @@ struct usb_gadget_ops {
struct usb_gadget_driver *);
int (*udc_stop)(struct usb_gadget *);
void (*udc_set_speed)(struct usb_gadget *, enum usb_device_speed);
+ void (*udc_set_ssp_rate)(struct usb_gadget *gadget,
+ enum usb_ssp_rate rate);
+ void (*udc_async_callbacks)(struct usb_gadget *gadget, bool enable);
struct usb_ep *(*match_ep)(struct usb_gadget *,
struct usb_endpoint_descriptor *,
struct usb_ss_ep_comp_descriptor *);
+ int (*check_config)(struct usb_gadget *gadget);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/**
@@ -339,6 +355,10 @@ struct usb_gadget_ops {
* @speed: Speed of current connection to USB host.
* @max_speed: Maximal speed the UDC can handle. UDC must support this
* and all slower speeds.
+ * @ssp_rate: Current connected SuperSpeed Plus signaling rate and lane count.
+ * @max_ssp_rate: Maximum SuperSpeed Plus signaling rate and lane count the UDC
+ * can handle. The UDC must support this and all slower speeds and lower
+ * number of lanes.
* @state: the state we are now (attached, suspended, configured, etc)
* @name: Identifies the controller hardware type. Used in diagnostics
* and sometimes configuration.
@@ -406,6 +426,11 @@ struct usb_gadget {
struct list_head ep_list; /* of usb_ep */
enum usb_device_speed speed;
enum usb_device_speed max_speed;
+
+ /* USB SuperSpeed Plus only */
+ enum usb_ssp_rate ssp_rate;
+ enum usb_ssp_rate max_ssp_rate;
+
enum usb_device_state state;
const char *name;
struct device dev;
@@ -433,6 +458,11 @@ struct usb_gadget {
unsigned connected:1;
unsigned lpm_capable:1;
int irq;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define work_to_gadget(w) (container_of((w), struct usb_gadget, work))
@@ -596,6 +626,7 @@ int usb_gadget_connect(struct usb_gadget *gadget);
int usb_gadget_disconnect(struct usb_gadget *gadget);
int usb_gadget_deactivate(struct usb_gadget *gadget);
int usb_gadget_activate(struct usb_gadget *gadget);
+int usb_gadget_check_config(struct usb_gadget *gadget);
#else
static inline int usb_gadget_frame_number(struct usb_gadget *gadget)
{ return 0; }
@@ -619,6 +650,8 @@ static inline int usb_gadget_deactivate(struct usb_gadget *gadget)
{ return 0; }
static inline int usb_gadget_activate(struct usb_gadget *gadget)
{ return 0; }
+static inline int usb_gadget_check_config(struct usb_gadget *gadget)
+{ return 0; }
#endif /* CONFIG_USB_GADGET */
/*-------------------------------------------------------------------------*/
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 3dbb42c..2ffafbd 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -25,6 +25,7 @@
#include <linux/rwsem.h>
#include <linux/interrupt.h>
#include <linux/idr.h>
+#include <linux/android_kabi.h>
#define MAX_TOPO_LEVEL 6
@@ -225,6 +226,11 @@ struct usb_hcd {
* (ohci 32, uhci 1024, ehci 256/512/1024).
*/
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
/* The HC driver's private data is stored at the end of
* this structure.
*/
@@ -410,6 +416,10 @@ struct hc_driver {
/* Call for power on/off the port if necessary */
int (*port_power)(struct usb_hcd *hcd, int portnum, bool enable);
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd)
@@ -561,6 +571,11 @@ struct usb_tt {
spinlock_t lock;
struct list_head clear_list; /* of usb_tt_clear */
struct work_struct clear_work;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct usb_tt_clear {
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 69f1b63..10cb3d1 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -12,6 +12,7 @@
#include <linux/phy/phy.h>
#include <linux/usb/phy.h>
+#include <linux/android_kabi.h>
struct usb_otg {
u8 default_a;
@@ -40,6 +41,7 @@ struct usb_otg {
/* start or continue HNP role switch */
int (*start_hnp)(struct usb_otg *otg);
+ ANDROID_KABI_RESERVE(1);
};
/**
diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h
index 433040f..96b7ff6 100644
--- a/include/linux/usb/pd.h
+++ b/include/linux/usb/pd.h
@@ -225,6 +225,7 @@ enum pd_pdo_type {
#define PDO_FIXED_EXTPOWER BIT(27) /* Externally powered */
#define PDO_FIXED_USB_COMM BIT(26) /* USB communications capable */
#define PDO_FIXED_DATA_SWAP BIT(25) /* Data role swap supported */
+#define PDO_FIXED_UNCHUNK_EXT BIT(24) /* Unchunked Extended Message supported (Source) */
#define PDO_FIXED_FRS_CURR_MASK (BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */
#define PDO_FIXED_FRS_CURR_SHIFT 23
#define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */
@@ -466,6 +467,7 @@ static inline unsigned int rdo_max_power(u32 rdo)
#define PD_T_DRP_SRC 30
#define PD_T_PS_SOURCE_OFF 920
#define PD_T_PS_SOURCE_ON 480
+#define PD_T_PS_SOURCE_ON_PRS 450 /* 390 - 480ms */
#define PD_T_PS_HARD_RESET 30
#define PD_T_SRC_RECOVER 760
#define PD_T_SRC_RECOVER_MAX 1000
@@ -478,14 +480,19 @@ static inline unsigned int rdo_max_power(u32 rdo)
#define PD_T_NEWSRC 250 /* Maximum of 275ms */
#define PD_T_SWAP_SRC_START 20 /* Minimum of 20ms */
#define PD_T_BIST_CONT_MODE 50 /* 30 - 60 ms */
+#define PD_T_SINK_TX 16 /* 16 - 20 ms */
+#define PD_T_CHUNK_NOT_SUPP 42 /* 40 - 50 ms */
#define PD_T_DRP_TRY 100 /* 75 - 150 ms */
#define PD_T_DRP_TRYWAIT 600 /* 400 - 800 ms */
#define PD_T_CC_DEBOUNCE 200 /* 100 - 200 ms */
#define PD_T_PD_DEBOUNCE 20 /* 10 - 20 ms */
+#define PD_T_TRY_CC_DEBOUNCE 15 /* 10 - 20 ms */
#define PD_N_CAPS_COUNT (PD_T_NO_RESPONSE / PD_T_SEND_SOURCE_CAP)
#define PD_N_HARD_RESET_COUNT 2
+#define PD_P_SNK_STDBY_MW 2500 /* 2500 mW */
+
#endif /* __LINUX_USB_PD_H */
diff --git a/include/linux/usb/pd_ext_sdb.h b/include/linux/usb/pd_ext_sdb.h
index 0eb83ce..b517ebc 100644
--- a/include/linux/usb/pd_ext_sdb.h
+++ b/include/linux/usb/pd_ext_sdb.h
@@ -24,8 +24,4 @@ enum usb_pd_ext_sdb_fields {
#define USB_PD_EXT_SDB_EVENT_OVP BIT(3)
#define USB_PD_EXT_SDB_EVENT_CF_CV_MODE BIT(4)
-#define USB_PD_EXT_SDB_PPS_EVENTS (USB_PD_EXT_SDB_EVENT_OCP | \
- USB_PD_EXT_SDB_EVENT_OTP | \
- USB_PD_EXT_SDB_EVENT_OVP)
-
#endif /* __LINUX_USB_PD_EXT_SDB_H */
diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h
index 68bdc4e..7f5e330 100644
--- a/include/linux/usb/pd_vdo.h
+++ b/include/linux/usb/pd_vdo.h
@@ -21,22 +21,24 @@
* ----------
* <31:16> :: SVID
* <15> :: VDM type ( 1b == structured, 0b == unstructured )
- * <14:13> :: Structured VDM version (can only be 00 == 1.0 currently)
+ * <14:13> :: Structured VDM version
* <12:11> :: reserved
* <10:8> :: object position (1-7 valid ... used for enter/exit mode only)
* <7:6> :: command type (SVDM only?)
* <5> :: reserved (SVDM), command type (UVDM)
* <4:0> :: command
*/
-#define VDO(vid, type, custom) \
+#define VDO(vid, type, ver, custom) \
(((vid) << 16) | \
((type) << 15) | \
+ ((ver) << 13) | \
((custom) & 0x7FFF))
#define VDO_SVDM_TYPE (1 << 15)
#define VDO_SVDM_VERS(x) ((x) << 13)
#define VDO_OPOS(x) ((x) << 8)
#define VDO_CMDT(x) ((x) << 6)
+#define VDO_SVDM_VERS_MASK VDO_SVDM_VERS(0x3)
#define VDO_OPOS_MASK VDO_OPOS(0x7)
#define VDO_CMDT_MASK VDO_CMDT(0x3)
@@ -74,6 +76,7 @@
#define PD_VDO_VID(vdo) ((vdo) >> 16)
#define PD_VDO_SVDM(vdo) (((vdo) >> 15) & 1)
+#define PD_VDO_SVDM_VER(vdo) (((vdo) >> 13) & 0x3)
#define PD_VDO_OPOS(vdo) (((vdo) >> 8) & 0x7)
#define PD_VDO_CMD(vdo) ((vdo) & 0x1f)
#define PD_VDO_CMDT(vdo) (((vdo) >> 6) & 0x3)
@@ -103,25 +106,50 @@
* --------------------
* <31> :: data capable as a USB host
* <30> :: data capable as a USB device
- * <29:27> :: product type
+ * <29:27> :: product type (UFP / Cable / VPD)
* <26> :: modal operation supported (1b == yes)
- * <25:16> :: Reserved, Shall be set to zero
+ * <25:23> :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <22:21> :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <20:16> :: Reserved, Shall be set to zero
* <15:0> :: USB-IF assigned VID for this cable vendor
*/
+
+/* PD Rev2.0 definition */
#define IDH_PTYPE_UNDEF 0
+
+/* SOP Product Type (UFP) */
+#define IDH_PTYPE_NOT_UFP 0
#define IDH_PTYPE_HUB 1
#define IDH_PTYPE_PERIPH 2
-#define IDH_PTYPE_PCABLE 3
-#define IDH_PTYPE_ACABLE 4
+#define IDH_PTYPE_PSD 3
#define IDH_PTYPE_AMA 5
-#define VDO_IDH(usbh, usbd, ptype, is_modal, vid) \
- ((usbh) << 31 | (usbd) << 30 | ((ptype) & 0x7) << 27 \
- | (is_modal) << 26 | ((vid) & 0xffff))
+/* SOP' Product Type (Cable Plug / VPD) */
+#define IDH_PTYPE_NOT_CABLE 0
+#define IDH_PTYPE_PCABLE 3
+#define IDH_PTYPE_ACABLE 4
+#define IDH_PTYPE_VPD 6
+
+/* SOP Product Type (DFP) */
+#define IDH_PTYPE_NOT_DFP 0
+#define IDH_PTYPE_DFP_HUB 1
+#define IDH_PTYPE_DFP_HOST 2
+#define IDH_PTYPE_DFP_PB 3
+
+/* ID Header Mask */
+#define IDH_DFP_MASK GENMASK(25, 23)
+#define IDH_CONN_MASK GENMASK(22, 21)
+
+#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid) \
+ ((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27 \
+ | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21 \
+ | ((vid) & 0xffff))
#define PD_IDH_PTYPE(vdo) (((vdo) >> 27) & 0x7)
#define PD_IDH_VID(vdo) ((vdo) & 0xffff)
#define PD_IDH_MODAL_SUPP(vdo) ((vdo) & (1 << 26))
+#define PD_IDH_DFP_PTYPE(vdo) (((vdo) >> 23) & 0x7)
+#define PD_IDH_CONN_TYPE(vdo) (((vdo) >> 21) & 0x3)
/*
* Cert Stat VDO
@@ -129,6 +157,7 @@
* <31:0> : USB-IF assigned XID for this cable
*/
#define PD_CSTAT_XID(vdo) (vdo)
+#define VDO_CERT(xid) ((xid) & 0xffffffff)
/*
* Product VDO
@@ -140,77 +169,270 @@
#define PD_PRODUCT_PID(vdo) (((vdo) >> 16) & 0xffff)
/*
- * UFP VDO1
+ * UFP VDO (PD Revision 3.0+ only)
* --------
* <31:29> :: UFP VDO version
* <28> :: Reserved
* <27:24> :: Device capability
- * <23:6> :: Reserved
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:11> :: Reserved
+ * <10:8> :: Vconn power (AMA only)
+ * <7> :: Vconn required (AMA only, 0b == no, 1b == yes)
+ * <6> :: Vbus required (AMA only, 0b == yes, 1b == no)
* <5:3> :: Alternate modes
* <2:0> :: USB highest speed
*/
-#define PD_VDO1_UFP_DEVCAP(vdo) (((vdo) & GENMASK(27, 24)) >> 24)
+#define PD_VDO_UFP_DEVCAP(vdo) (((vdo) & GENMASK(27, 24)) >> 24)
+/* UFP VDO Version */
+#define UFP_VDO_VER1_2 2
+
+/* Device Capability */
#define DEV_USB2_CAPABLE BIT(0)
#define DEV_USB2_BILLBOARD BIT(1)
#define DEV_USB3_CAPABLE BIT(2)
#define DEV_USB4_CAPABLE BIT(3)
+/* Connector Type */
+#define UFP_RECEPTACLE 2
+#define UFP_CAPTIVE 3
+
+/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
+#define AMA_VCONN_PWR_1W 0
+#define AMA_VCONN_PWR_1W5 1
+#define AMA_VCONN_PWR_2W 2
+#define AMA_VCONN_PWR_3W 3
+#define AMA_VCONN_PWR_4W 4
+#define AMA_VCONN_PWR_5W 5
+#define AMA_VCONN_PWR_6W 6
+
+/* Vconn Required (AMA only) */
+#define AMA_VCONN_NOT_REQ 0
+#define AMA_VCONN_REQ 1
+
+/* Vbus Required (AMA only) */
+#define AMA_VBUS_REQ 0
+#define AMA_VBUS_NOT_REQ 1
+
+/* Alternate Modes */
+#define UFP_ALTMODE_NOT_SUPP 0
+#define UFP_ALTMODE_TBT3 BIT(0)
+#define UFP_ALTMODE_RECFG BIT(1)
+#define UFP_ALTMODE_NO_RECFG BIT(2)
+
+/* USB Highest Speed */
+#define UFP_USB2_ONLY 0
+#define UFP_USB32_GEN1 1
+#define UFP_USB32_4_GEN2 2
+#define UFP_USB4_GEN3 3
+
+#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd) \
+ (((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22 \
+ | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3 \
+ | ((spd) & 0x7))
+
/*
- * DFP VDO
+ * DFP VDO (PD Revision 3.0+ only)
* --------
* <31:29> :: DFP VDO version
* <28:27> :: Reserved
* <26:24> :: Host capability
- * <23:5> :: Reserved
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:5> :: Reserved
* <4:0> :: Port number
*/
#define PD_VDO_DFP_HOSTCAP(vdo) (((vdo) & GENMASK(26, 24)) >> 24)
+#define DFP_VDO_VER1_1 1
#define HOST_USB2_CAPABLE BIT(0)
#define HOST_USB3_CAPABLE BIT(1)
#define HOST_USB4_CAPABLE BIT(2)
+#define DFP_RECEPTACLE 2
+#define DFP_CAPTIVE 3
+
+#define VDO_DFP(ver, cap, conn, pnum) \
+ (((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22 \
+ | ((pnum) & 0x1f))
/*
- * Cable VDO
+ * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
* ---------
* <31:28> :: Cable HW version
* <27:24> :: Cable FW version
* <23:20> :: Reserved, Shall be set to zero
- * <19:18> :: type-C to Type-A/B/C (00b == A, 01 == B, 10 == C)
- * <17> :: Type-C to Plug/Receptacle (0b == plug, 1b == receptacle)
+ * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
+ * <17> :: Reserved, Shall be set to zero
* <16:13> :: cable latency (0001 == <10ns(~1m length))
* <12:11> :: cable termination type (11b == both ends active VCONN req)
* <10> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
* <9> :: SSTX2 Directionality support
* <8> :: SSRX1 Directionality support
* <7> :: SSRX2 Directionality support
- * <6:5> :: Vbus current handling capability
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
* <4> :: Vbus through cable (0b == no, 1b == yes)
* <3> :: SOP" controller present? (0b == no, 1b == yes)
* <2:0> :: USB SS Signaling support
+ *
+ * Passive Cable VDO (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20> :: Reserved, Shall be set to zero
+ * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
+ * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8:7> :: Reserved, Shall be set to zero
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4:3> :: Reserved, Shall be set to zero
+ * <2:0> :: USB highest speed
+ *
+ * Active Cable VDO 1 (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20> :: Reserved, Shall be set to zero
+ * <19:18> :: Connector type (10b == C, 11b == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
+ * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8> :: SBU supported (0b == supported, 1b == not supported)
+ * <7> :: SBU type (0b == passive, 1b == active)
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <2:0> :: USB highest speed
*/
+/* Cable VDO Version */
+#define CABLE_VDO_VER1_0 0
+#define CABLE_VDO_VER1_3 3
+
+/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
#define CABLE_ATYPE 0
#define CABLE_BTYPE 1
#define CABLE_CTYPE 2
-#define CABLE_PLUG 0
-#define CABLE_RECEPTACLE 1
-#define CABLE_CURR_1A5 0
+#define CABLE_CAPTIVE 3
+
+/* Cable Latency */
+#define CABLE_LATENCY_1M 1
+#define CABLE_LATENCY_2M 2
+#define CABLE_LATENCY_3M 3
+#define CABLE_LATENCY_4M 4
+#define CABLE_LATENCY_5M 5
+#define CABLE_LATENCY_6M 6
+#define CABLE_LATENCY_7M 7
+#define CABLE_LATENCY_7M_PLUS 8
+
+/* Cable Termination Type */
+#define PCABLE_VCONN_NOT_REQ 0
+#define PCABLE_VCONN_REQ 1
+#define ACABLE_ONE_END 2
+#define ACABLE_BOTH_END 3
+
+/* Maximum Vbus Voltage */
+#define CABLE_MAX_VBUS_20V 0
+#define CABLE_MAX_VBUS_30V 1
+#define CABLE_MAX_VBUS_40V 2
+#define CABLE_MAX_VBUS_50V 3
+
+/* Active Cable SBU Supported/Type */
+#define ACABLE_SBU_SUPP 0
+#define ACABLE_SBU_NOT_SUPP 1
+#define ACABLE_SBU_PASSIVE 0
+#define ACABLE_SBU_ACTIVE 1
+
+/* Vbus Current Handling Capability */
+#define CABLE_CURR_DEF 0
#define CABLE_CURR_3A 1
#define CABLE_CURR_5A 2
+
+/* USB SuperSpeed Signaling Support (PD Rev2.0) */
#define CABLE_USBSS_U2_ONLY 0
#define CABLE_USBSS_U31_GEN1 1
#define CABLE_USBSS_U31_GEN2 2
-#define VDO_CABLE(hw, fw, cbl, gdr, lat, term, tx1d, tx2d, rx1d, rx2d, cur,\
- vps, sopp, usbss) \
- (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \
- | (gdr) << 17 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 \
- | (tx1d) << 10 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 \
- | ((cur) & 0x3) << 5 | (vps) << 4 | (sopp) << 3 \
- | ((usbss) & 0x7))
+
+/* USB Highest Speed */
+#define CABLE_USB2_ONLY 0
+#define CABLE_USB32_GEN1 1
+#define CABLE_USB32_4_GEN2 2
+#define CABLE_USB4_GEN3 3
+
+#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
+ (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \
+ | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \
+ | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5 \
+ | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
+#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
+ | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
+#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
+ | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5 \
+ | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
+
+#define VDO_TYPEC_CABLE_TYPE(vdo) (((vdo) >> 18) & 0x3)
/*
- * AMA VDO
+ * Active Cable VDO 2
+ * ---------
+ * <31:24> :: Maximum operating temperature
+ * <23:16> :: Shutdown temperature
+ * <15> :: Reserved, Shall be set to zero
+ * <14:12> :: U3/CLd power
+ * <11> :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
+ * <10> :: Physical connection (0b == copper, 1b == optical)
+ * <9> :: Active element (0b == redriver, 1b == retimer)
+ * <8> :: USB4 supported (0b == yes, 1b == no)
+ * <7:6> :: USB2 hub hops consumed
+ * <5> :: USB2 supported (0b == yes, 1b == no)
+ * <4> :: USB3.2 supported (0b == yes, 1b == no)
+ * <3> :: USB lanes supported (0b == one lane, 1b == two lanes)
+ * <2> :: Optically isolated active cable (0b == no, 1b == yes)
+ * <1> :: Reserved, Shall be set to zero
+ * <0> :: USB gen (0b == gen1, 1b == gen2+)
+ */
+
+/* U3/CLd Power*/
+#define ACAB2_U3_CLD_10MW_PLUS 0
+#define ACAB2_U3_CLD_10MW 1
+#define ACAB2_U3_CLD_5MW 2
+#define ACAB2_U3_CLD_1MW 3
+#define ACAB2_U3_CLD_500UW 4
+#define ACAB2_U3_CLD_200UW 5
+#define ACAB2_U3_CLD_50UW 6
+
+/* Other Active Cable VDO 2 Fields */
+#define ACAB2_U3U0_DIRECT 0
+#define ACAB2_U3U0_U3S 1
+#define ACAB2_PHY_COPPER 0
+#define ACAB2_PHY_OPTICAL 1
+#define ACAB2_REDRIVER 0
+#define ACAB2_RETIMER 1
+#define ACAB2_USB4_SUPP 0
+#define ACAB2_USB4_NOT_SUPP 1
+#define ACAB2_USB2_SUPP 0
+#define ACAB2_USB2_NOT_SUPP 1
+#define ACAB2_USB32_SUPP 0
+#define ACAB2_USB32_NOT_SUPP 1
+#define ACAB2_LANES_ONE 0
+#define ACAB2_LANES_TWO 1
+#define ACAB2_OPT_ISO_NO 0
+#define ACAB2_OPT_ISO_YES 1
+#define ACAB2_GEN_1 0
+#define ACAB2_GEN_2_PLUS 1
+
+#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen) \
+ (((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12 \
+ | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8 \
+ | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3 \
+ | (iso) << 2 | (gen))
+
+/*
+ * AMA VDO (PD Rev2.0)
* ---------
* <31:28> :: Cable HW version
* <27:24> :: Cable FW version
@@ -233,19 +455,41 @@
#define PD_VDO_AMA_VCONN_REQ(vdo) (((vdo) >> 4) & 1)
#define PD_VDO_AMA_VBUS_REQ(vdo) (((vdo) >> 3) & 1)
-#define AMA_VCONN_PWR_1W 0
-#define AMA_VCONN_PWR_1W5 1
-#define AMA_VCONN_PWR_2W 2
-#define AMA_VCONN_PWR_3W 3
-#define AMA_VCONN_PWR_4W 4
-#define AMA_VCONN_PWR_5W 5
-#define AMA_VCONN_PWR_6W 6
#define AMA_USBSS_U2_ONLY 0
#define AMA_USBSS_U31_GEN1 1
#define AMA_USBSS_U31_GEN2 2
#define AMA_USBSS_BBONLY 3
/*
+ * VPD VDO
+ * ---------
+ * <31:28> :: HW version
+ * <27:24> :: FW version
+ * <23:21> :: VDO version
+ * <20:17> :: Reserved, Shall be set to zero
+ * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <14> :: Charge through current support (0b == 3A, 1b == 5A)
+ * <13> :: Reserved, Shall be set to zero
+ * <12:7> :: Vbus impedance
+ * <6:1> :: Ground impedance
+ * <0> :: Charge through support (0b == no, 1b == yes)
+ */
+#define VPD_VDO_VER1_0 0
+#define VPD_MAX_VBUS_20V 0
+#define VPD_MAX_VBUS_30V 1
+#define VPD_MAX_VBUS_40V 2
+#define VPD_MAX_VBUS_50V 3
+#define VPDCT_CURR_3A 0
+#define VPDCT_CURR_5A 1
+#define VPDCT_NOT_SUPP 0
+#define VPDCT_SUPP 1
+
+#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7 \
+ | ((gi) & 0x3f) << 1 | (ct))
+
+/*
* SVDM Discover SVIDs request -> response
*
* Request is properly formatted VDM Header with discover SVIDs command.
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index e4de6bc..888d2fd 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -13,6 +13,7 @@
#include <linux/extcon.h>
#include <linux/notifier.h>
#include <linux/usb.h>
+#include <linux/android_kabi.h>
#include <uapi/linux/usb/charger.h>
enum usb_phy_interface {
@@ -155,6 +156,8 @@ struct usb_phy {
* manually detect the charger type.
*/
enum usb_charger_type (*charger_detect)(struct usb_phy *x);
+
+ ANDROID_KABI_RESERVE(1);
};
/* for board-specific init logic */
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 09762d2..cb69546 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -19,6 +19,10 @@ enum typec_cc_status {
TYPEC_CC_RP_3_0,
};
+/* Collision Avoidance */
+#define SINK_TX_NG TYPEC_CC_RP_1_5
+#define SINK_TX_OK TYPEC_CC_RP_3_0
+
enum typec_cc_polarity {
TYPEC_POLARITY_CC1,
TYPEC_POLARITY_CC2,
@@ -62,6 +66,8 @@ enum tcpm_transmit_type {
* For example, some tcpcs may include BC1.2 charger detection
* and use that in this case.
* @set_cc: Called to set value of CC pins
+ * @apply_rc: Optional; Needed to move TCPCI based chipset to APPLY_RC state
+ * as stated by the TCPCI specification.
* @get_cc: Called to read current CC pin values
* @set_polarity:
* Called to set polarity
@@ -83,6 +89,39 @@ enum tcpm_transmit_type {
* Optional; Called to enable/disable PD 3.0 fast role swap.
* Enabling frs is accessory dependent as not all PD3.0
* accessories support fast role swap.
+ * @frs_sourcing_vbus:
+ * Optional; Called to notify that vbus is now being sourced.
+ * Low level drivers can perform chip specific operations, if any.
+ * @enable_auto_vbus_discharge:
+ * Optional; TCPCI spec based TCPC implementations can optionally
+ * support hardware to autonomously dischrge vbus upon disconnecting
+ * as sink or source. TCPM signals TCPC to enable the mechanism upon
+ * entering connected state and signals disabling upon disconnect.
+ * @set_auto_vbus_discharge_threshold:
+ * Mandatory when enable_auto_vbus_discharge is implemented. TCPM
+ * calls this function to allow lower levels drivers to program the
+ * vbus threshold voltage below which the vbus discharge circuit
+ * will be turned on. requested_vbus_voltage is set to 0 when vbus
+ * is going to disappear knowingly i.e. during PR_SWAP and
+ * HARD_RESET etc.
+ * @is_vbus_vsafe0v:
+ * Optional; TCPCI spec based TCPC implementations are expected to
+ * detect VSAFE0V voltage level at vbus. When detection of VSAFE0V
+ * is supported by TCPC, set this callback for TCPM to query
+ * whether vbus is at VSAFE0V when needed.
+ * Returns true when vbus is at VSAFE0V, false otherwise.
+ * @set_partner_usb_comm_capable:
+ * Optional; The USB Communications Capable bit indicates if port
+ * partner is capable of communication over the USB data lines
+ * (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit.
+ * @check_contaminant:
+ * Optional; The callback is called when CC pins report open status
+ * at the end of the toggling period. Chip level drivers are
+ * expected to check for contaminant and re-enable toggling if
+ * needed. When 0 is not returned, check_contaminant is expected to
+ * restart toggling after checking the connector for contaminant.
+ * This forces the TCPM state machine to tranistion to TOGGLING state
+ * without calling start_toggling callback.
*/
struct tcpc_dev {
struct fwnode_handle *fwnode;
@@ -91,6 +130,8 @@ struct tcpc_dev {
int (*get_vbus)(struct tcpc_dev *dev);
int (*get_current_limit)(struct tcpc_dev *dev);
int (*set_cc)(struct tcpc_dev *dev, enum typec_cc_status cc);
+ int (*apply_rc)(struct tcpc_dev *dev, enum typec_cc_status cc,
+ enum typec_cc_polarity polarity);
int (*get_cc)(struct tcpc_dev *dev, enum typec_cc_status *cc1,
enum typec_cc_status *cc2);
int (*set_polarity)(struct tcpc_dev *dev,
@@ -106,9 +147,16 @@ struct tcpc_dev {
enum typec_cc_status cc);
int (*try_role)(struct tcpc_dev *dev, int role);
int (*pd_transmit)(struct tcpc_dev *dev, enum tcpm_transmit_type type,
- const struct pd_message *msg);
+ const struct pd_message *msg, unsigned int negotiated_rev);
int (*set_bist_data)(struct tcpc_dev *dev, bool on);
int (*enable_frs)(struct tcpc_dev *dev, bool enable);
+ void (*frs_sourcing_vbus)(struct tcpc_dev *dev);
+ int (*enable_auto_vbus_discharge)(struct tcpc_dev *dev, bool enable);
+ int (*set_auto_vbus_discharge_threshold)(struct tcpc_dev *dev, enum typec_pwr_opmode mode,
+ bool pps_active, u32 requested_vbus_voltage);
+ int (*check_contaminant)(struct tcpc_dev *dev);
+ bool (*is_vbus_vsafe0v)(struct tcpc_dev *dev);
+ void (*set_partner_usb_comm_capable)(struct tcpc_dev *dev, bool enable);
};
struct tcpm_port;
@@ -116,6 +164,10 @@ struct tcpm_port;
struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc);
void tcpm_unregister_port(struct tcpm_port *port);
+int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo,
+ unsigned int nr_pdo,
+ unsigned int operating_snk_mw);
+
void tcpm_vbus_change(struct tcpm_port *port);
void tcpm_cc_change(struct tcpm_port *port);
void tcpm_sink_frs(struct tcpm_port *port);
@@ -126,5 +178,7 @@ void tcpm_pd_transmit_complete(struct tcpm_port *port,
enum tcpm_transmit_status status);
void tcpm_pd_hard_reset(struct tcpm_port *port);
void tcpm_tcpc_reset(struct tcpm_port *port);
+bool tcpm_is_debouncing(struct tcpm_port *tcpm);
+bool tcpm_is_toggling(struct tcpm_port *port);
#endif /* __LINUX_USB_TCPM_H */
diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h
index 6be5580..b2e2c30 100644
--- a/include/linux/usb/typec.h
+++ b/include/linux/usb/typec.h
@@ -4,6 +4,7 @@
#define __LINUX_USB_TYPEC_H
#include <linux/types.h>
+#include <linux/android_kabi.h>
/* USB Type-C Specification releases */
#define USB_TYPEC_REV_1_0 0x100 /* 1.0 */
@@ -126,9 +127,12 @@ struct typec_altmode_desc {
enum typec_port_data roles;
};
+void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision);
+int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmodes);
struct typec_altmode
*typec_partner_register_altmode(struct typec_partner *partner,
const struct typec_altmode_desc *desc);
+int typec_plug_set_num_altmodes(struct typec_plug *plug, int num_altmodes);
struct typec_altmode
*typec_plug_register_altmode(struct typec_plug *plug,
const struct typec_altmode_desc *desc);
@@ -162,6 +166,7 @@ struct typec_plug_desc {
* @type: The plug type from USB PD Cable VDO
* @active: Is the cable active or passive
* @identity: Result of Discover Identity command
+ * @pd_revision: USB Power Delivery Specification revision if supported
*
* Represents USB Type-C Cable attached to USB Type-C port.
*/
@@ -169,6 +174,8 @@ struct typec_cable_desc {
enum typec_plug_type type;
unsigned int active:1;
struct usb_pd_identity *identity;
+ u16 pd_revision; /* 0300H = "3.0" */
+
};
/*
@@ -176,15 +183,22 @@ struct typec_cable_desc {
* @usb_pd: USB Power Delivery support
* @accessory: Audio, Debug or none.
* @identity: Discover Identity command data
+ * @pd_revision: USB Power Delivery Specification Revision if supported
*
* Details about a partner that is attached to USB Type-C port. If @identity
* member exists when partner is registered, a directory named "identity" is
* created to sysfs for the partner device.
+ *
+ * @pd_revision is based on the setting of the "Specification Revision" field
+ * in the message header on the initial "Source Capabilities" message received
+ * from the partner, or a "Request" message received from the partner, depending
+ * on whether our port is a Sink or a Source.
*/
struct typec_partner_desc {
unsigned int usb_pd:1;
enum typec_accessory accessory;
struct usb_pd_identity *identity;
+ u16 pd_revision; /* 0300H = "3.0" */
};
/**
@@ -202,6 +216,13 @@ struct typec_operations {
int (*vconn_set)(struct typec_port *port, enum typec_role role);
int (*port_type_set)(struct typec_port *port,
enum typec_port_type type);
+ ANDROID_KABI_RESERVE(1);
+};
+
+enum usb_pd_svdm_ver {
+ SVDM_VER_1_0 = 0,
+ SVDM_VER_2_0 = 1,
+ SVDM_VER_MAX = SVDM_VER_2_0,
};
/*
@@ -210,6 +231,7 @@ struct typec_operations {
* @data: Supported data role of the port
* @revision: USB Type-C Specification release. Binary coded decimal
* @pd_revision: USB Power Delivery Specification revision if supported
+ * @svdm_version: USB PD Structured VDM version if supported
* @prefer_role: Initial role preference (DRP ports).
* @accessory: Supported Accessory Modes
* @fwnode: Optional fwnode of the port
@@ -223,6 +245,7 @@ struct typec_capability {
enum typec_port_data data;
u16 revision; /* 0120H = "1.2" */
u16 pd_revision; /* 0300H = "3.0" */
+ enum usb_pd_svdm_ver svdm_version;
int prefer_role;
enum typec_accessory accessory[TYPEC_MAX_ACCESSORY];
unsigned int orientation_aware:1;
@@ -231,6 +254,7 @@ struct typec_capability {
void *driver_data;
const struct typec_operations *ops;
+ ANDROID_KABI_RESERVE(1);
};
/* Specific to try_role(). Indicates the user want's to clear the preference. */
@@ -273,4 +297,8 @@ int typec_find_orientation(const char *name);
int typec_find_port_power_role(const char *name);
int typec_find_power_role(const char *name);
int typec_find_port_data_role(const char *name);
+
+void typec_partner_set_svdm_version(struct typec_partner *partner,
+ enum usb_pd_svdm_ver svdm_version);
+int typec_get_negotiated_svdm_version(struct typec_port *port);
#endif /* __LINUX_USB_TYPEC_H */
diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h
index 5e0a7b7..6053128 100644
--- a/include/linux/usb/typec_altmode.h
+++ b/include/linux/usb/typec_altmode.h
@@ -30,6 +30,7 @@ struct typec_altmode {
char *desc;
const struct typec_altmode_ops *ops;
+ ANDROID_KABI_RESERVE(1);
};
#define to_typec_altmode(d) container_of(d, struct typec_altmode, dev)
@@ -63,6 +64,7 @@ struct typec_altmode_ops {
int (*notify)(struct typec_altmode *altmode, unsigned long conf,
void *data);
int (*activate)(struct typec_altmode *altmode, int activate);
+ ANDROID_KABI_RESERVE(1);
};
int typec_altmode_enter(struct typec_altmode *altmode, u32 *vdo);
@@ -133,6 +135,16 @@ typec_altmode_get_orientation(struct typec_altmode *altmode)
}
/**
+ * typec_altmode_get_svdm_version - Get negotiated SVDM version
+ * @altmode: Handle to the alternate mode
+ */
+static inline int
+typec_altmode_get_svdm_version(struct typec_altmode *altmode)
+{
+ return typec_get_negotiated_svdm_version(typec_altmode2port(altmode));
+}
+
+/**
* struct typec_altmode_driver - USB Type-C alternate mode device driver
* @id_table: Null terminated array of SVIDs
* @probe: Callback for device binding
diff --git a/include/linux/usb/typec_tbt.h b/include/linux/usb/typec_tbt.h
index 47c2d50..63dd44b 100644
--- a/include/linux/usb/typec_tbt.h
+++ b/include/linux/usb/typec_tbt.h
@@ -39,12 +39,16 @@ struct typec_thunderbolt_data {
#define TBT_CABLE_USB3_GEN1 1
#define TBT_CABLE_USB3_PASSIVE 2
#define TBT_CABLE_10_AND_20GBPS 3
-#define TBT_CABLE_ROUNDED BIT(19)
+#define TBT_CABLE_ROUNDED_SUPPORT(_vdo_) \
+ (((_vdo_) & GENMASK(20, 19)) >> 19)
+#define TBT_GEN3_NON_ROUNDED 0
+#define TBT_GEN3_GEN4_ROUNDED_NON_ROUNDED 1
#define TBT_CABLE_OPTICAL BIT(21)
#define TBT_CABLE_RETIMER BIT(22)
#define TBT_CABLE_LINK_TRAINING BIT(23)
#define TBT_SET_CABLE_SPEED(_s_) (((_s_) & GENMASK(2, 0)) << 16)
+#define TBT_SET_CABLE_ROUNDED(_g_) (((_g_) & GENMASK(1, 0)) << 19)
/* TBT3 Device Enter Mode VDO bits */
#define TBT_ENTER_MODE_CABLE_SPEED(s) TBT_SET_CABLE_SPEED(s)
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 8110c29..195512a 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -23,6 +23,8 @@
#ifndef __LINUX_USB_USBNET_H
#define __LINUX_USB_USBNET_H
+#include <linux/android_kabi.h>
+
/* interface from usbnet core to each USB networking link we handle */
struct usbnet {
/* housekeeping */
@@ -83,8 +85,11 @@ struct usbnet {
# define EVENT_LINK_CHANGE 11
# define EVENT_SET_RX_MODE 12
# define EVENT_NO_IP_ALIGN 13
- u32 rx_speed; /* in bps - NOT Mbps */
- u32 tx_speed; /* in bps - NOT Mbps */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -174,6 +179,9 @@ struct driver_info {
int out; /* tx endpoint */
unsigned long data; /* Misc driver specific data */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/* Minidrivers are just drivers using the "usbnet" core as a powerful
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index 7616c7b..71cc05dd 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -10,6 +10,7 @@
#include <linux/rwsem.h>
#include <linux/sysctl.h>
#include <linux/err.h>
+#include <linux/android_kabi.h>
#define UID_GID_MAP_MAX_BASE_EXTENTS 5
#define UID_GID_MAP_MAX_EXTENTS 340
@@ -90,6 +91,9 @@ struct user_namespace {
#endif
struct ucounts *ucounts;
int ucount_max[UCOUNT_COUNTS];
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
} __randomize_layout;
struct ucounts {
diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h
index a8e5f3e..331d2cc 100644
--- a/include/linux/userfaultfd_k.h
+++ b/include/linux/userfaultfd_k.h
@@ -17,6 +17,9 @@
#include <linux/mm.h>
#include <asm-generic/pgtable_uffd.h>
+/* The set of all possible UFFD-related VM flags. */
+#define __VM_UFFD_FLAGS (VM_UFFD_MISSING | VM_UFFD_WP | VM_UFFD_MINOR)
+
/*
* CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining
* new flags, since they might collide with O_* ones. We want
@@ -34,6 +37,27 @@ extern int sysctl_unprivileged_userfaultfd;
extern vm_fault_t handle_userfault(struct vm_fault *vmf, unsigned long reason);
+/*
+ * The mode of operation for __mcopy_atomic and its helpers.
+ *
+ * This is almost an implementation detail (mcopy_atomic below doesn't take this
+ * as a parameter), but it's exposed here because memory-kind-specific
+ * implementations (e.g. hugetlbfs) need to know the mode of operation.
+ */
+enum mcopy_atomic_mode {
+ /* A normal copy_from_user into the destination range. */
+ MCOPY_ATOMIC_NORMAL,
+ /* Don't copy; map the destination range to the zero page. */
+ MCOPY_ATOMIC_ZEROPAGE,
+ /* Just install pte(s) with the existing page(s) in the page cache. */
+ MCOPY_ATOMIC_CONTINUE,
+};
+
+extern int mfill_atomic_install_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
+ struct vm_area_struct *dst_vma,
+ unsigned long dst_addr, struct page *page,
+ bool newly_allocated, bool wp_copy);
+
extern ssize_t mcopy_atomic(struct mm_struct *dst_mm, unsigned long dst_start,
unsigned long src_start, unsigned long len,
bool *mmap_changing, __u64 mode);
@@ -41,6 +65,8 @@ extern ssize_t mfill_zeropage(struct mm_struct *dst_mm,
unsigned long dst_start,
unsigned long len,
bool *mmap_changing);
+extern ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long dst_start,
+ unsigned long len, bool *mmap_changing);
extern int mwriteprotect_range(struct mm_struct *dst_mm,
unsigned long start, unsigned long len,
bool enable_wp, bool *mmap_changing);
@@ -52,6 +78,22 @@ static inline bool is_mergeable_vm_userfaultfd_ctx(struct vm_area_struct *vma,
return vma->vm_userfaultfd_ctx.ctx == vm_ctx.ctx;
}
+/*
+ * Never enable huge pmd sharing on some uffd registered vmas:
+ *
+ * - VM_UFFD_WP VMAs, because write protect information is per pgtable entry.
+ *
+ * - VM_UFFD_MINOR VMAs, because otherwise we would never get minor faults for
+ * VMAs which share huge pmds. (If you have two mappings to the same
+ * underlying pages, and fault in the non-UFFD-registered one with a write,
+ * with huge pmd sharing this would *also* setup the second UFFD-registered
+ * mapping, and we'd not get minor faults.)
+ */
+static inline bool uffd_disable_huge_pmd_share(struct vm_area_struct *vma)
+{
+ return vma->vm_flags & (VM_UFFD_WP | VM_UFFD_MINOR);
+}
+
static inline bool userfaultfd_missing(struct vm_area_struct *vma)
{
return vma->vm_flags & VM_UFFD_MISSING;
@@ -62,6 +104,11 @@ static inline bool userfaultfd_wp(struct vm_area_struct *vma)
return vma->vm_flags & VM_UFFD_WP;
}
+static inline bool userfaultfd_minor(struct vm_area_struct *vma)
+{
+ return vma->vm_flags & VM_UFFD_MINOR;
+}
+
static inline bool userfaultfd_pte_wp(struct vm_area_struct *vma,
pte_t pte)
{
@@ -76,7 +123,7 @@ static inline bool userfaultfd_huge_pmd_wp(struct vm_area_struct *vma,
static inline bool userfaultfd_armed(struct vm_area_struct *vma)
{
- return vma->vm_flags & (VM_UFFD_MISSING | VM_UFFD_WP);
+ return vma->vm_flags & __VM_UFFD_FLAGS;
}
extern int dup_userfaultfd(struct vm_area_struct *, struct list_head *);
@@ -123,6 +170,11 @@ static inline bool userfaultfd_wp(struct vm_area_struct *vma)
return false;
}
+static inline bool userfaultfd_minor(struct vm_area_struct *vma)
+{
+ return false;
+}
+
static inline bool userfaultfd_pte_wp(struct vm_area_struct *vma,
pte_t pte)
{
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 8ecc2e2..55ea329 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -110,7 +110,6 @@ struct virtio_device {
bool config_enabled;
bool config_change_pending;
spinlock_t config_lock;
- spinlock_t vqs_list_lock; /* Protects VQs list access */
struct device dev;
struct virtio_device_id id;
const struct virtio_config_ops *config;
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index dc636b7..778639f 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -9,7 +9,8 @@
#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 4)
#define VIRTIO_VSOCK_MAX_BUF_SIZE 0xFFFFFFFFUL
-#define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE (1024 * 64)
+#define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE virtio_transport_max_vsock_pkt_buf_size
+extern uint virtio_transport_max_vsock_pkt_buf_size;
enum {
VSOCK_VQ_RX = 0, /* for host to guest data */
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 18e7597..ca7fe94 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -71,6 +71,10 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
#ifdef CONFIG_HUGETLB_PAGE
HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
#endif
+#ifdef CONFIG_CMA
+ CMA_ALLOC_SUCCESS,
+ CMA_ALLOC_FAIL,
+#endif
UNEVICTABLE_PGCULLED, /* culled to noreclaim list */
UNEVICTABLE_PGSCANNED, /* scanned for reclaimability */
UNEVICTABLE_PGRESCUED, /* rescued from noreclaim list */
@@ -121,6 +125,10 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
SWAP_RA,
SWAP_RA_HIT,
#endif
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ SPECULATIVE_PGFAULT_ANON,
+ SPECULATIVE_PGFAULT_FILE,
+#endif
NR_VM_EVENT_ITEMS
};
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 76dad53..0549ca1 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -9,6 +9,7 @@
#include <asm/page.h> /* pgprot_t */
#include <linux/rbtree.h>
#include <linux/overflow.h>
+#include <linux/android_vendor.h>
#include <asm/vmalloc.h>
@@ -57,6 +58,7 @@ struct vm_struct {
unsigned int nr_pages;
phys_addr_t phys_addr;
const void *caller;
+ ANDROID_OEM_DATA(1);
};
struct vmap_area {
diff --git a/include/linux/wakeup_reason.h b/include/linux/wakeup_reason.h
new file mode 100644
index 0000000..54f5caa
--- /dev/null
+++ b/include/linux/wakeup_reason.h
@@ -0,0 +1,37 @@
+/*
+ * include/linux/wakeup_reason.h
+ *
+ * Logs the reason which caused the kernel to resume
+ * from the suspend mode.
+ *
+ * Copyright (C) 2014 Google, Inc.
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _LINUX_WAKEUP_REASON_H
+#define _LINUX_WAKEUP_REASON_H
+
+#define MAX_SUSPEND_ABORT_LEN 256
+
+#ifdef CONFIG_SUSPEND
+void log_irq_wakeup_reason(int irq);
+void log_threaded_irq_wakeup_reason(int irq, int parent_irq);
+void log_suspend_abort_reason(const char *fmt, ...);
+void log_abnormal_wakeup_reason(const char *fmt, ...);
+void clear_wakeup_reasons(void);
+#else
+static inline void log_irq_wakeup_reason(int irq) { }
+static inline void log_threaded_irq_wakeup_reason(int irq, int parent_irq) { }
+static inline void log_suspend_abort_reason(const char *fmt, ...) { }
+static inline void log_abnormal_wakeup_reason(const char *fmt, ...) { }
+static inline void clear_wakeup_reasons(void) { }
+#endif
+
+#endif /* _LINUX_WAKEUP_REASON_H */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 26de0ca..e98cc6d 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -14,6 +14,7 @@
#include <linux/atomic.h>
#include <linux/cpumask.h>
#include <linux/rcupdate.h>
+#include <linux/android_kabi.h>
struct workqueue_struct;
@@ -106,6 +107,8 @@ struct work_struct {
#ifdef CONFIG_LOCKDEP
struct lockdep_map lockdep_map;
#endif
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define WORK_DATA_INIT() ATOMIC_LONG_INIT((unsigned long)WORK_STRUCT_NO_POOL)
@@ -119,6 +122,9 @@ struct delayed_work {
/* target workqueue and CPU ->timer uses to queue ->work */
struct workqueue_struct *wq;
int cpu;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct rcu_work {
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index 10b4dc2..28c0da7 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -31,10 +31,10 @@ struct xattr_handler {
const char *prefix;
int flags; /* fs private flags */
bool (*list)(struct dentry *dentry);
- int (*get)(const struct xattr_handler *, struct dentry *dentry,
+ int (*get)(const struct xattr_handler *handler, struct dentry *dentry,
struct inode *inode, const char *name, void *buffer,
- size_t size);
- int (*set)(const struct xattr_handler *, struct dentry *dentry,
+ size_t size, int flags);
+ int (*set)(const struct xattr_handler *handler, struct dentry *dentry,
struct inode *inode, const char *name, const void *buffer,
size_t size, int flags);
};
@@ -47,7 +47,8 @@ struct xattr {
size_t value_len;
};
-ssize_t __vfs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t);
+ssize_t __vfs_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *buffer, size_t size, int flags);
ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t);
ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
int __vfs_setxattr(struct dentry *, struct inode *, const char *, const void *, size_t, int);
diff --git a/include/media/h264-ctrls.h b/include/media/h264-ctrls.h
index ec47991..6cb6db8 100644
--- a/include/media/h264-ctrls.h
+++ b/include/media/h264-ctrls.h
@@ -38,14 +38,6 @@
#define V4L2_CID_MPEG_VIDEO_H264_START_CODE (V4L2_CID_MPEG_BASE+1006)
#define V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS (V4L2_CID_MPEG_BASE+1007)
-/* enum v4l2_ctrl_type type values */
-#define V4L2_CTRL_TYPE_H264_SPS 0x0110
-#define V4L2_CTRL_TYPE_H264_PPS 0x0111
-#define V4L2_CTRL_TYPE_H264_SCALING_MATRIX 0x0112
-#define V4L2_CTRL_TYPE_H264_SLICE_PARAMS 0x0113
-#define V4L2_CTRL_TYPE_H264_DECODE_PARAMS 0x0114
-#define V4L2_CTRL_TYPE_H264_PRED_WEIGHTS 0x0115
-
enum v4l2_mpeg_video_h264_decode_mode {
V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED,
V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED,
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index cbdfcb7..eacba87 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/media.h>
+#include <linux/android_vendor.h>
/* Enums used internally at the media controller to represent graphs */
@@ -145,6 +146,7 @@ struct media_link {
struct media_link *reverse;
unsigned long flags;
bool is_backlink;
+ ANDROID_VENDOR_DATA(1);
};
/**
diff --git a/include/media/v4l2-ctrls.h b/include/media/v4l2-ctrls.h
index 9ecbb98..113d399 100644
--- a/include/media/v4l2-ctrls.h
+++ b/include/media/v4l2-ctrls.h
@@ -11,6 +11,7 @@
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/videodev2.h>
+#include <linux/android_kabi.h>
#include <media/media-request.h>
/*
@@ -56,6 +57,8 @@ struct video_device;
* @p_hevc_sps: Pointer to an HEVC sequence parameter set structure.
* @p_hevc_pps: Pointer to an HEVC picture parameter set structure.
* @p_hevc_slice_params: Pointer to an HEVC slice parameters structure.
+ * @p_hdr10_cll: Pointer to an HDR10 Content Light Level structure.
+ * @p_hdr10_mastering: Pointer to an HDR10 Mastering Display structure.
* @p_area: Pointer to an area.
* @p: Pointer to a compound value.
* @p_const: Pointer to a constant compound value.
@@ -80,9 +83,14 @@ union v4l2_ctrl_ptr {
struct v4l2_ctrl_hevc_sps *p_hevc_sps;
struct v4l2_ctrl_hevc_pps *p_hevc_pps;
struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
+ struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
+ struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering;
struct v4l2_area *p_area;
void *p;
const void *p_const;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
@@ -115,6 +123,8 @@ struct v4l2_ctrl_ops {
int (*g_volatile_ctrl)(struct v4l2_ctrl *ctrl);
int (*try_ctrl)(struct v4l2_ctrl *ctrl);
int (*s_ctrl)(struct v4l2_ctrl *ctrl);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -136,6 +146,8 @@ struct v4l2_ctrl_type_ops {
void (*log)(const struct v4l2_ctrl *ctrl);
int (*validate)(const struct v4l2_ctrl *ctrl, u32 idx,
union v4l2_ctrl_ptr ptr);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -286,6 +298,8 @@ struct v4l2_ctrl {
union v4l2_ctrl_ptr p_def;
union v4l2_ctrl_ptr p_new;
union v4l2_ctrl_ptr p_cur;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -325,6 +339,8 @@ struct v4l2_ctrl_ref {
bool req_done;
bool valid_p_req;
union v4l2_ctrl_ptr p_req;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -375,6 +391,8 @@ struct v4l2_ctrl_handler {
struct list_head requests;
struct list_head requests_queued;
struct media_request_object req_obj;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -426,6 +444,8 @@ struct v4l2_ctrl_config {
const char * const *qmenu;
const s64 *qmenu_int;
unsigned int is_private:1;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index ad2d419..3a66e78 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -16,6 +16,7 @@
#include <linux/cdev.h>
#include <linux/mutex.h>
#include <linux/videodev2.h>
+#include <linux/android_kabi.h>
#include <media/media-entity.h>
@@ -211,6 +212,8 @@ struct v4l2_file_operations {
int (*mmap) (struct file *, struct vm_area_struct *);
int (*open) (struct file *);
int (*release) (struct file *);
+
+ ANDROID_KABI_RESERVE(1);
};
/*
@@ -307,6 +310,9 @@ struct video_device
DECLARE_BITMAP(valid_ioctls, BASE_VIDIOC_PRIVATE);
struct mutex *lock;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/**
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 7315052..1de960b 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -162,9 +162,6 @@ struct v4l2_subdev_io_pin_config {
* @s_gpio: set GPIO pins. Very simple right now, might need to be extended with
* a direction argument if needed.
*
- * @command: called by in-kernel drivers in order to call functions internal
- * to subdev drivers driver that have a separate callback.
- *
* @ioctl: called at the end of ioctl() syscall handler at the V4L2 core.
* used to provide support for private ioctls used on the driver.
*
@@ -196,7 +193,6 @@ struct v4l2_subdev_core_ops {
int (*load_fw)(struct v4l2_subdev *sd);
int (*reset)(struct v4l2_subdev *sd, u32 val);
int (*s_gpio)(struct v4l2_subdev *sd, u32 val);
- long (*command)(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
#ifdef CONFIG_COMPAT
long (*compat_ioctl32)(struct v4l2_subdev *sd, unsigned int cmd,
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index bbb3f26..3f4f171 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -19,7 +19,7 @@
#include <linux/bitops.h>
#include <media/media-request.h>
-#define VB2_MAX_FRAME (32)
+#define VB2_MAX_FRAME (64)
#define VB2_MAX_PLANES (8)
/**
diff --git a/include/media/videobuf2-v4l2.h b/include/media/videobuf2-v4l2.h
index c203047..1c59f09 100644
--- a/include/media/videobuf2-v4l2.h
+++ b/include/media/videobuf2-v4l2.h
@@ -13,6 +13,7 @@
#define _MEDIA_VIDEOBUF2_V4L2_H
#include <linux/videodev2.h>
+#include <linux/android_kabi.h>
#include <media/videobuf2-core.h>
#if VB2_MAX_FRAME != VIDEO_MAX_FRAME
@@ -51,6 +52,8 @@ struct vb2_v4l2_buffer {
__s32 request_fd;
bool is_held;
struct vb2_plane planes[VB2_MAX_PLANES];
+
+ ANDROID_KABI_RESERVE(1);
};
/* VB2 V4L2 flags as set in vb2_queue.subsystem_flags */
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 78ea3e3..d8873a9 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -269,6 +269,18 @@ static inline bool ipv6_is_mld(struct sk_buff *skb, int nexthdr, int offset)
void addrconf_prefix_rcv(struct net_device *dev,
u8 *opt, int len, bool sllao);
+/* Determines into what table to put autoconf PIO/RIO/default routes
+ * learned on this device.
+ *
+ * - If 0, use the same table for every device. This puts routes into
+ * one of RT_TABLE_{PREFIX,INFO,DFLT} depending on the type of route
+ * (but note that these three are currently all equal to
+ * RT6_TABLE_MAIN).
+ * - If > 0, use the specified table.
+ * - If < 0, put routes into table dev->ifindex + (-rt_table).
+ */
+u32 addrconf_rt_table(const struct net_device *dev, u32 default_table);
+
/*
* anycast prototypes (anycast.c)
*/
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 243de74..6da4b3c 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1773,15 +1773,13 @@ struct hci_cp_ext_adv_set {
__u8 max_events;
} __packed;
-#define HCI_MAX_EXT_AD_LENGTH 251
-
#define HCI_OP_LE_SET_EXT_ADV_DATA 0x2037
struct hci_cp_le_set_ext_adv_data {
__u8 handle;
__u8 operation;
__u8 frag_pref;
__u8 length;
- __u8 data[];
+ __u8 data[HCI_MAX_AD_LENGTH];
} __packed;
#define HCI_OP_LE_SET_EXT_SCAN_RSP_DATA 0x2038
@@ -1790,7 +1788,7 @@ struct hci_cp_le_set_ext_scan_rsp_data {
__u8 operation;
__u8 frag_pref;
__u8 length;
- __u8 data[];
+ __u8 data[HCI_MAX_AD_LENGTH];
} __packed;
#define LE_SET_ADV_DATA_OP_COMPLETE 0x03
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index a592a82..6636170 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -28,6 +28,7 @@
#include <linux/idr.h>
#include <linux/leds.h>
#include <linux/rculist.h>
+#include <linux/android_kabi.h>
#include <net/bluetooth/hci.h>
#include <net/bluetooth/hci_sock.h>
@@ -226,9 +227,9 @@ struct adv_info {
__u16 remaining_time;
__u16 duration;
__u16 adv_data_len;
- __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
+ __u8 adv_data[HCI_MAX_AD_LENGTH];
__u16 scan_rsp_len;
- __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
+ __u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
__s8 tx_power;
bdaddr_t random_addr;
bool rpa_expired;
@@ -523,9 +524,9 @@ struct hci_dev {
DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
__s8 adv_tx_power;
- __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
+ __u8 adv_data[HCI_MAX_AD_LENGTH];
__u8 adv_data_len;
- __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
+ __u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
__u8 scan_rsp_data_len;
struct list_head adv_instances;
@@ -564,6 +565,11 @@ struct hci_dev {
int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
void (*cmd_timeout)(struct hci_dev *hdev);
bool (*prevent_wake)(struct hci_dev *hdev);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define HCI_PHY_HANDLE(handle) (handle & 0xff)
@@ -660,6 +666,11 @@ struct hci_conn {
void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct hci_chan {
@@ -670,6 +681,8 @@ struct hci_chan {
unsigned int sent;
__u8 state;
bool amp;
+
+ ANDROID_KABI_RESERVE(1);
};
struct hci_conn_params {
@@ -696,6 +709,8 @@ struct hci_conn_params {
struct hci_conn *conn;
bool explicit_connect;
u32 current_flags;
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct list_head hci_dev_list;
@@ -1416,6 +1431,8 @@ struct hci_cb {
__u8 encrypt);
void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
+
+ ANDROID_KABI_RESERVE(1);
};
static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
@@ -1676,6 +1693,8 @@ struct hci_mgmt_chan {
size_t handler_count;
const struct hci_mgmt_handler *handlers;
void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
+
+ ANDROID_KABI_RESERVE(1);
};
int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 1d12329..8c99677 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -29,6 +29,7 @@
#include <asm/unaligned.h>
#include <linux/atomic.h>
+#include <linux/android_kabi.h>
/* L2CAP defaults */
#define L2CAP_DEFAULT_MTU 672
@@ -643,6 +644,9 @@ struct l2cap_chan {
void *data;
const struct l2cap_ops *ops;
struct mutex lock;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct l2cap_ops {
@@ -667,6 +671,9 @@ struct l2cap_ops {
unsigned long len, int nb);
int (*filter) (struct l2cap_chan * chan,
struct sk_buff *skb);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct l2cap_conn {
@@ -702,6 +709,9 @@ struct l2cap_conn {
struct mutex chan_lock;
struct kref ref;
struct list_head users;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
struct l2cap_user {
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index 99d2687..d8f4e83 100644
--- a/include/net/bluetooth/rfcomm.h
+++ b/include/net/bluetooth/rfcomm.h
@@ -22,6 +22,7 @@
*/
#include <linux/refcount.h>
+#include <linux/android_kabi.h>
#ifndef __RFCOMM_H
#define __RFCOMM_H
@@ -164,6 +165,8 @@ struct rfcomm_session {
uint mtu;
struct list_head dlcs;
+
+ ANDROID_KABI_RESERVE(1);
};
struct rfcomm_dlc {
@@ -197,6 +200,9 @@ struct rfcomm_dlc {
void (*data_ready)(struct rfcomm_dlc *d, struct sk_buff *skb);
void (*state_change)(struct rfcomm_dlc *d, int err);
void (*modem_status)(struct rfcomm_dlc *d, u8 v24_sig);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
/* DLC and session flags */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 2a819be..7abdf1aa 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -20,6 +20,7 @@
#include <linux/if_ether.h>
#include <linux/ieee80211.h>
#include <linux/net.h>
+#include <linux/android_kabi.h>
#include <net/regulatory.h>
/**
@@ -1008,6 +1009,21 @@ struct survey_info {
* @sae_pwd: password for SAE authentication (for devices supporting SAE
* offload)
* @sae_pwd_len: length of SAE password (for devices supporting SAE offload)
+ * @sae_pwe: The mechanisms allowed for SAE PWE derivation:
+ *
+ * NL80211_SAE_PWE_UNSPECIFIED
+ * Not-specified, used to indicate userspace did not specify any
+ * preference. The driver should follow its internal policy in
+ * such a scenario.
+ *
+ * NL80211_SAE_PWE_HUNT_AND_PECK
+ * Allow hunting-and-pecking loop only
+ *
+ * NL80211_SAE_PWE_HASH_TO_ELEMENT
+ * Allow hash-to-element only
+ *
+ * NL80211_SAE_PWE_BOTH
+ * Allow either hunting-and-pecking loop or hash-to-element
*/
struct cfg80211_crypto_settings {
u32 wpa_versions;
@@ -1026,6 +1042,9 @@ struct cfg80211_crypto_settings {
const u8 *psk;
const u8 *sae_pwd;
u8 sae_pwd_len;
+ enum nl80211_sae_pwe_mechanism sae_pwe;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -1072,6 +1091,8 @@ struct cfg80211_beacon_data {
size_t probe_resp_len;
size_t lci_len;
size_t civicloc_len;
+
+ ANDROID_KABI_RESERVE(1);
};
struct mac_address {
@@ -1208,6 +1229,8 @@ struct cfg80211_ap_settings {
struct cfg80211_he_bss_color he_bss_color;
struct cfg80211_fils_discovery fils_discovery;
struct cfg80211_unsol_bcast_probe_resp unsol_bcast_probe_resp;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -1237,6 +1260,8 @@ struct cfg80211_csa_settings {
bool radar_required;
bool block_tx;
u8 count;
+
+ ANDROID_KABI_RESERVE(1);
};
#define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
@@ -1379,6 +1404,8 @@ struct station_parameters {
u16 airtime_weight;
struct sta_txpwr txpwr;
const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -1725,6 +1752,8 @@ struct station_info {
u32 airtime_link_metric;
u8 connected_to_as;
+
+ ANDROID_KABI_RESERVE(1);
};
#if IS_ENABLED(CONFIG_CFG80211)
@@ -1979,6 +2008,8 @@ struct mesh_config {
u16 dot11MeshAwakeWindowDuration;
u32 plink_timeout;
bool dot11MeshNolearn;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -2028,6 +2059,8 @@ struct mesh_setup {
struct cfg80211_bitrate_mask beacon_rate;
bool userspace_handles_dfs;
bool control_port_over_nl80211;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -2189,6 +2222,8 @@ struct cfg80211_scan_request {
u32 n_6ghz_params;
struct cfg80211_scan_6ghz_params *scan_6ghz_params;
+ ANDROID_KABI_RESERVE(1);
+
/* keep last */
struct ieee80211_channel *channels[];
};
@@ -2335,6 +2370,8 @@ struct cfg80211_sched_scan_request {
bool nl_owner_dead;
struct list_head list;
+ ANDROID_KABI_RESERVE(1);
+
/* keep last */
struct ieee80211_channel *channels[];
};
@@ -2458,6 +2495,8 @@ struct cfg80211_bss {
u8 bssid_index;
u8 max_bssid_indicator;
+ ANDROID_KABI_RESERVE(1);
+
u8 priv[] __aligned(sizeof(void *));
};
@@ -2584,6 +2623,8 @@ struct cfg80211_assoc_request {
size_t fils_kek_len;
const u8 *fils_nonces;
struct ieee80211_s1g_cap s1g_capa, s1g_capa_mask;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -2682,6 +2723,8 @@ struct cfg80211_ibss_params {
struct ieee80211_ht_cap ht_capa_mask;
struct key_params *wep_keys;
int wep_tx_key;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -2796,6 +2839,8 @@ struct cfg80211_connect_params {
size_t fils_erp_rrk_len;
bool want_1x;
struct ieee80211_edmg edmg;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -3253,6 +3298,8 @@ struct cfg80211_nan_func {
u8 num_rx_filters;
u8 instance_id;
u64 cookie;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -3413,6 +3460,8 @@ struct cfg80211_pmsr_ftm_result {
dist_avg_valid:1,
dist_variance_valid:1,
dist_spread_valid:1;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -4249,6 +4298,10 @@ struct cfg80211_ops {
struct cfg80211_tid_config *tid_conf);
int (*reset_tid_config)(struct wiphy *wiphy, struct net_device *dev,
const u8 *peer, u8 tids);
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/*
@@ -4612,6 +4665,8 @@ struct wiphy_vendor_command {
unsigned long *storage);
const struct nla_policy *policy;
unsigned int maxattr;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -5017,6 +5072,8 @@ struct wiphy {
u8 max_data_retry_count;
+ ANDROID_KABI_RESERVE(1);
+
char priv[] __aligned(NETDEV_ALIGN);
};
@@ -5248,6 +5305,13 @@ struct wireless_dev {
u32 identifier;
struct list_head mgmt_registrations;
+ /*
+ * ANDROID: mgmt_registrations_lock was restored to preserve ABI in
+ * 5.10.77 due to backport of 09b1d5dc6ce1 ("cfg80211: fix management
+ * registrations locking") but it is not used for anything so do not
+ * touch this variable!
+ */
+ spinlock_t mgmt_registrations_lock;
u8 mgmt_registrations_need_update:1;
struct mutex mtx;
@@ -5314,6 +5378,9 @@ struct wireless_dev {
struct work_struct pmsr_free_wk;
unsigned long unprot_beacon_reported;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
static inline u8 *wdev_address(struct wireless_dev *wdev)
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index e55ec15..d66f0f3 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -3,6 +3,7 @@
#define __NET_GENERIC_NETLINK_H
#include <linux/genetlink.h>
+#include <linux/android_kabi.h>
#include <net/netlink.h>
#include <net/net_namespace.h>
@@ -67,6 +68,8 @@ struct genl_family {
const struct genl_small_ops *small_ops;
const struct genl_multicast_group *mcgrps;
struct module *module;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -158,6 +161,8 @@ struct genl_ops {
u8 internal_flags;
u8 flags;
u8 validate;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 0b1864a..8177cb9 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -17,6 +17,7 @@
#include <linux/poll.h>
#include <linux/kernel.h>
#include <linux/sockptr.h>
+#include <linux/android_kabi.h>
#include <net/inet_sock.h>
#include <net/request_sock.h>
@@ -51,6 +52,8 @@ struct inet_connection_sock_af_ops {
char __user *optval, int __user *optlen);
void (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
void (*mtu_reduced)(struct sock *sk);
+
+ ANDROID_KABI_RESERVE(1);
};
/** inet_connection_sock - INET connection oriented sock
@@ -134,6 +137,8 @@ struct inet_connection_sock {
u32 icsk_probes_tstamp;
u32 icsk_user_timeout;
+ ANDROID_KABI_RESERVE(1);
+
u64 icsk_ca_priv[104 / sizeof(u64)];
#define ICSK_CA_PRIV_SIZE (13 * sizeof(u64))
};
@@ -291,7 +296,7 @@ static inline void inet_csk_prepare_for_destroy_sock(struct sock *sk)
{
/* The below has to be done to allow calling inet_csk_destroy_sock */
sock_set_flag(sk, SOCK_DEAD);
- this_cpu_inc(*sk->sk_prot->orphan_count);
+ percpu_counter_inc(sk->sk_prot->orphan_count);
}
void inet_csk_destroy_sock(struct sock *sk);
diff --git a/include/net/ip.h b/include/net/ip.h
index 5538e54..ae7c221 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -31,7 +31,9 @@
#include <net/flow.h>
#include <net/flow_dissector.h>
#include <net/netns/hash.h>
+#ifndef __GENKSYMS__
#include <net/lwtunnel.h>
+#endif
#define IPV4_MAX_PMTU 65535U /* RFC 2675, Section 5.1 */
#define IPV4_MIN_MTU 68 /* RFC 791 */
@@ -344,6 +346,13 @@ static inline bool inet_is_local_reserved_port(struct net *net, unsigned short p
return test_bit(port, net->ipv4.sysctl_local_reserved_ports);
}
+static inline bool inet_is_local_unbindable_port(struct net *net, unsigned short port)
+{
+ if (!net->ipv4.sysctl_local_unbindable_ports)
+ return false;
+ return test_bit(port, net->ipv4.sysctl_local_unbindable_ports);
+}
+
static inline bool sysctl_dev_name_is_allowed(const char *name)
{
return strcmp(name, "default") != 0 && strcmp(name, "all") != 0;
@@ -360,6 +369,11 @@ static inline bool inet_is_local_reserved_port(struct net *net, unsigned short p
return false;
}
+static inline bool inet_is_local_unbindable_port(struct net *net, unsigned short port)
+{
+ return false;
+}
+
static inline bool inet_port_requires_bind_service(struct net *net, unsigned short port)
{
return port < PROT_SOCK;
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 88bc66b..bd4bfdd 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -13,6 +13,7 @@
#include <linux/rtnetlink.h>
#include <linux/spinlock.h>
#include <linux/notifier.h>
+#include <linux/android_kabi.h>
#include <net/dst.h>
#include <net/flow.h>
#include <net/ip_fib.h>
@@ -67,6 +68,8 @@ struct fib6_config {
struct nlattr *fc_encap;
u16 fc_encap_type;
bool fc_is_fdb;
+
+ ANDROID_KABI_RESERVE(1);
};
struct fib6_node {
@@ -83,6 +86,8 @@ struct fib6_node {
int fn_sernum;
struct fib6_info __rcu *rr_ptr;
struct rcu_head rcu;
+
+ ANDROID_KABI_RESERVE(1);
};
struct fib6_gc_args {
@@ -199,6 +204,9 @@ struct fib6_info {
struct rcu_head rcu;
struct nexthop *nh;
+
+ ANDROID_KABI_RESERVE(1);
+
struct fib6_nh fib6_nh[];
};
@@ -218,6 +226,8 @@ struct rt6_info {
/* more non-fragment space at head required */
unsigned short rt6i_nfheader_len;
+
+ ANDROID_KABI_RESERVE(1);
};
struct fib6_result {
@@ -491,7 +501,6 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack);
void fib6_nh_release(struct fib6_nh *fib6_nh);
-void fib6_nh_release_dsts(struct fib6_nh *fib6_nh);
int call_fib6_entry_notifiers(struct net *net,
enum fib_event_type event_type,
diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h
index 14a4311..8fce558 100644
--- a/include/net/ipv6_stubs.h
+++ b/include/net/ipv6_stubs.h
@@ -47,7 +47,6 @@ struct ipv6_stub {
struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack);
void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
- void (*fib6_nh_release_dsts)(struct fib6_nh *fib6_nh);
void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt);
int (*ip6_del_rt)(struct net *net, struct fib6_info *rt, bool skip_notify);
void (*fib6_rt_update)(struct net *net, struct fib6_info *rt,
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 6ff49c1..02cd47e 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -18,6 +18,7 @@
#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/ieee80211.h>
+#include <linux/android_kabi.h>
#include <net/cfg80211.h>
#include <net/codel.h>
#include <net/ieee80211_radiotap.h>
@@ -701,6 +702,8 @@ struct ieee80211_bss_conf {
u32 unsol_bcast_probe_resp_interval;
bool s1g;
struct cfg80211_bitrate_mask beacon_tx_rate;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -1097,6 +1100,9 @@ struct ieee80211_tx_info {
void *rate_driver_data[
IEEE80211_TX_INFO_RATE_DRIVER_DATA_SIZE / sizeof(void *)];
};
+
+ ANDROID_KABI_RESERVE(1);
+
void *driver_data[
IEEE80211_TX_INFO_DRIVER_DATA_SIZE / sizeof(void *)];
};
@@ -1583,6 +1589,8 @@ struct ieee80211_conf {
struct cfg80211_chan_def chandef;
bool radar_enabled;
enum ieee80211_smps_mode smps_mode;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -1727,6 +1735,8 @@ struct ieee80211_vif {
bool txqs_stopped[IEEE80211_NUM_ACS];
+ ANDROID_KABI_RESERVE(1);
+
/* must be last */
u8 drv_priv[] __aligned(sizeof(void *));
};
@@ -2112,6 +2122,8 @@ struct ieee80211_sta {
struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1];
+ ANDROID_KABI_RESERVE(1);
+
/* must be last */
u8 drv_priv[] __aligned(sizeof(void *));
};
@@ -2606,6 +2618,8 @@ struct ieee80211_hw {
u8 tx_sk_pacing_shift;
u8 weight_multiplier;
u32 max_mtu;
+
+ ANDROID_KABI_RESERVE(1);
};
static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw,
@@ -4192,6 +4206,11 @@ struct ieee80211_ops {
struct ieee80211_vif *vif);
void (*sta_set_4addr)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool enabled);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/**
@@ -6161,6 +6180,11 @@ struct rate_control_ops {
struct dentry *dir);
u32 (*get_expected_throughput)(void *priv_sta);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
static inline int rate_supported(struct ieee80211_sta *sta,
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index d5767e2..7750ef0 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -28,6 +28,7 @@
#include <linux/err.h>
#include <linux/sysctl.h>
#include <linux/workqueue.h>
+#include <linux/android_kabi.h>
#include <net/rtnetlink.h>
/*
@@ -83,6 +84,8 @@ struct neigh_parms {
int reachable_time;
int data[NEIGH_VAR_DATA_MAX];
DECLARE_BITMAP(data_state, NEIGH_VAR_DATA_MAX);
+
+ ANDROID_KABI_RESERVE(1);
};
static inline void neigh_var_set(struct neigh_parms *p, int index, int val)
@@ -157,6 +160,9 @@ struct neighbour {
struct list_head gc_list;
struct rcu_head rcu;
struct net_device *dev;
+
+ ANDROID_KABI_RESERVE(1);
+
u8 primary_key[0];
} __randomize_layout;
@@ -226,6 +232,8 @@ struct neigh_table {
struct neigh_statistics __percpu *stats;
struct neigh_hash_table __rcu *nht;
struct pneigh_entry **phash_buckets;
+
+ ANDROID_KABI_RESERVE(1);
};
enum {
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 439379c..878d0ce 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -15,6 +15,8 @@
#include <linux/bitops.h>
#include <linux/compiler.h>
+#include <linux/android_vendor.h>
+#include <linux/android_kabi.h>
#include <linux/netfilter/nf_conntrack_common.h>
#include <linux/netfilter/nf_conntrack_tcp.h>
@@ -105,6 +107,11 @@ struct nf_conn {
/* Storage reserved for other modules, must be the last member */
union nf_conntrack_proto proto;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+
+ ANDROID_OEM_DATA(1);
};
static inline struct nf_conn *
diff --git a/include/net/netns/can.h b/include/net/netns/can.h
index 52fbd82..d075f61 100644
--- a/include/net/netns/can.h
+++ b/include/net/netns/can.h
@@ -7,6 +7,7 @@
#define __NETNS_CAN_H__
#include <linux/spinlock.h>
+#include <linux/android_kabi.h>
struct can_dev_rcv_lists;
struct can_pkg_stats;
@@ -35,6 +36,8 @@ struct netns_can {
/* CAN GW per-net gateway jobs */
struct hlist_head cgw_list;
+
+ ANDROID_KABI_RESERVE(1);
};
#endif /* __NETNS_CAN_H__ */
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 75484f4..fb94551 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -10,6 +10,7 @@
#include <net/inet_frag.h>
#include <linux/rcupdate.h>
#include <linux/siphash.h>
+#include <linux/android_kabi.h>
struct tcpm_hash_bucket;
struct ctl_table_header;
@@ -203,6 +204,7 @@ struct netns_ipv4 {
#ifdef CONFIG_SYSCTL
unsigned long *sysctl_local_reserved_ports;
+ unsigned long *sysctl_local_unbindable_ports;
int sysctl_ip_prot_sock;
#endif
@@ -227,5 +229,7 @@ struct netns_ipv4 {
atomic_t rt_genid;
siphash_key_t ip_id_key;
+
+ ANDROID_KABI_RESERVE(1);
};
#endif
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 5ec0544..213e962 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -7,6 +7,7 @@
#ifndef __NETNS_IPV6_H__
#define __NETNS_IPV6_H__
+#include <linux/android_kabi.h>
#include <net/dst_ops.h>
#include <uapi/linux/icmpv6.h>
@@ -115,6 +116,8 @@ struct netns_ipv6 {
spinlock_t lock;
u32 seq;
} ip6addrlbl_table;
+
+ ANDROID_KABI_RESERVE(1);
};
#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h
index ca04334..fa26637 100644
--- a/include/net/netns/netfilter.h
+++ b/include/net/netns/netfilter.h
@@ -3,6 +3,7 @@
#define __NETNS_NETFILTER_H
#include <linux/netfilter_defs.h>
+#include <linux/android_kabi.h>
struct proc_dir_entry;
struct nf_logger;
@@ -34,5 +35,7 @@ struct netns_nf {
#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
bool defrag_ipv6;
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
#endif
diff --git a/include/net/netns/nftables.h b/include/net/netns/nftables.h
index 6c0806b..ccb84b7 100644
--- a/include/net/netns/nftables.h
+++ b/include/net/netns/nftables.h
@@ -3,6 +3,7 @@
#define _NETNS_NFTABLES_H_
#include <linux/list.h>
+#include <linux/android_kabi.h>
struct netns_nftables {
struct list_head tables;
@@ -13,6 +14,8 @@ struct netns_nftables {
unsigned int base_seq;
u8 gencursor;
u8 validate_state;
+
+ ANDROID_KABI_RESERVE(1);
};
#endif
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 22e1bc7..93d74c6 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -7,6 +7,7 @@
#include <linux/workqueue.h>
#include <linux/rhashtable-types.h>
#include <linux/xfrm.h>
+#include <linux/android_kabi.h>
#include <net/dst_ops.h>
struct ctl_table_header;
@@ -74,10 +75,11 @@ struct netns_xfrm {
#endif
spinlock_t xfrm_state_lock;
seqcount_t xfrm_state_hash_generation;
- seqcount_spinlock_t xfrm_policy_hash_generation;
spinlock_t xfrm_policy_lock;
struct mutex xfrm_cfg_mutex;
+
+ ANDROID_KABI_RESERVE(1);
};
#endif
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index b139e7b..6c46995 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -33,6 +33,7 @@
#include <linux/mm.h> /* Needed by ptr_ring */
#include <linux/ptr_ring.h>
#include <linux/dma-direction.h>
+#include <linux/android_kabi.h>
#define PP_FLAG_DMA_MAP BIT(0) /* Should page_pool do the DMA
* map/unmap
@@ -126,6 +127,8 @@ struct page_pool {
refcount_t user_cnt;
u64 destroy_cnt;
+
+ ANDROID_KABI_RESERVE(1);
};
struct page *page_pool_alloc_pages(struct page_pool *pool, gfp_t gfp);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 9226a84d..2faae27 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -16,6 +16,7 @@
#include <linux/rwsem.h>
#include <linux/atomic.h>
#include <linux/hashtable.h>
+#include <linux/android_kabi.h>
#include <net/gen_stats.h>
#include <net/rtnetlink.h>
#include <net/flow_offload.h>
@@ -114,6 +115,8 @@ struct Qdisc {
bool empty;
struct rcu_head rcu;
+ ANDROID_KABI_RESERVE(1);
+
/* private data */
long privdata[] ____cacheline_aligned;
};
@@ -271,6 +274,8 @@ struct Qdisc_class_ops {
struct sk_buff *skb, struct tcmsg*);
int (*dump_stats)(struct Qdisc *, unsigned long,
struct gnet_dump *);
+
+ ANDROID_KABI_RESERVE(1);
};
/* Qdisc_class_ops flag values */
@@ -302,8 +307,6 @@ struct Qdisc_ops {
struct netlink_ext_ack *extack);
void (*attach)(struct Qdisc *sch);
int (*change_tx_queue_len)(struct Qdisc *, unsigned int);
- void (*change_real_num_tx)(struct Qdisc *sch,
- unsigned int new_real_tx);
int (*dump)(struct Qdisc *, struct sk_buff *);
int (*dump_stats)(struct Qdisc *, struct gnet_dump *);
@@ -316,6 +319,8 @@ struct Qdisc_ops {
u32 (*egress_block_get)(struct Qdisc *sch);
struct module *owner;
+
+ ANDROID_KABI_RESERVE(1);
};
@@ -685,8 +690,6 @@ void qdisc_class_hash_grow(struct Qdisc *, struct Qdisc_class_hash *);
void qdisc_class_hash_destroy(struct Qdisc_class_hash *);
int dev_qdisc_change_tx_queue_len(struct net_device *dev);
-void dev_qdisc_change_real_num_tx(struct net_device *dev,
- unsigned int new_real_tx);
void dev_init_scheduler(struct net_device *dev);
void dev_shutdown(struct net_device *dev);
void dev_activate(struct net_device *dev);
diff --git a/include/net/sock.h b/include/net/sock.h
index bb40d4d..738981f 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -68,6 +68,8 @@
#include <net/tcp_states.h>
#include <linux/net_tstamp.h>
#include <net/l3mdev.h>
+#include <linux/android_kabi.h>
+#include <linux/android_vendor.h>
/*
* This structure really needs to be cleaned up.
@@ -479,7 +481,11 @@ struct sock {
u32 sk_ack_backlog;
u32 sk_max_ack_backlog;
kuid_t sk_uid;
+#if IS_ENABLED(CONFIG_DEBUG_SPINLOCK) || IS_ENABLED(CONFIG_DEBUG_LOCK_ALLOC)
spinlock_t sk_peer_lock;
+#else
+ /* sk_peer_lock is in the ANDROID_KABI_RESERVE(1) field below */
+#endif
struct pid *sk_peer_pid;
const struct cred *sk_peer_cred;
@@ -522,6 +528,21 @@ struct sock {
struct bpf_local_storage __rcu *sk_bpf_storage;
#endif
struct rcu_head sk_rcu;
+
+#if IS_ENABLED(CONFIG_DEBUG_SPINLOCK) || IS_ENABLED(CONFIG_DEBUG_LOCK_ALLOC)
+ ANDROID_KABI_RESERVE(1);
+#else
+ ANDROID_KABI_USE(1, spinlock_t sk_peer_lock);
+#endif
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+ ANDROID_KABI_RESERVE(5);
+ ANDROID_KABI_RESERVE(6);
+ ANDROID_KABI_RESERVE(7);
+ ANDROID_KABI_RESERVE(8);
+
+ ANDROID_OEM_DATA(1);
};
enum sk_pacing {
@@ -1214,7 +1235,7 @@ struct proto {
unsigned int useroffset; /* Usercopy region offset */
unsigned int usersize; /* Usercopy region size */
- unsigned int __percpu *orphan_count;
+ struct percpu_counter *orphan_count;
struct request_sock_ops *rsk_prot;
struct timewait_sock_ops *twsk_prot;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 334b8d1..eff611d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -48,9 +48,7 @@
extern struct inet_hashinfo tcp_hashinfo;
-DECLARE_PER_CPU(unsigned int, tcp_orphan_count);
-int tcp_orphan_count_sum(void);
-
+extern struct percpu_counter tcp_orphan_count;
void tcp_time_wait(struct sock *sk, int state, int timeo);
#define MAX_TCP_HEADER L1_CACHE_ALIGN(128 + MAX_HEADER)
@@ -292,6 +290,19 @@ static inline bool tcp_out_of_memory(struct sock *sk)
void sk_forced_mem_schedule(struct sock *sk, int size);
+static inline bool tcp_too_many_orphans(struct sock *sk, int shift)
+{
+ struct percpu_counter *ocp = sk->sk_prot->orphan_count;
+ int orphans = percpu_counter_read_positive(ocp);
+
+ if (orphans << shift > sysctl_tcp_max_orphans) {
+ orphans = percpu_counter_sum_positive(ocp);
+ if (orphans << shift > sysctl_tcp_max_orphans)
+ return true;
+ }
+ return false;
+}
+
bool tcp_check_oom(struct sock *sk, int shift);
diff --git a/include/net/tls.h b/include/net/tls.h
index 745b3bc..c875c23 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -43,6 +43,7 @@
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/rcupdate.h>
+#include <linux/android_kabi.h>
#include <net/net_namespace.h>
#include <net/tcp.h>
@@ -115,6 +116,9 @@ struct tls_rec {
char aad_space[TLS_AAD_SPACE_SIZE];
u8 iv_data[MAX_IV_SIZE];
struct aead_request aead_req;
+
+ ANDROID_KABI_RESERVE(1);
+
u8 aead_req_ctx[];
};
@@ -143,6 +147,8 @@ struct tls_sw_context_tx {
#define BIT_TX_SCHEDULED 0
#define BIT_TX_CLOSING 1
unsigned long tx_bitmask;
+
+ ANDROID_KABI_RESERVE(1);
};
struct tls_sw_context_rx {
@@ -160,6 +166,8 @@ struct tls_sw_context_rx {
/* protect crypto_wait with decrypt_pending*/
spinlock_t decrypt_compl_lock;
bool async_notify;
+
+ ANDROID_KABI_RESERVE(1);
};
struct tls_record_info {
@@ -297,6 +305,12 @@ struct tlsdev_ops {
int (*tls_dev_resync)(struct net_device *netdev,
struct sock *sk, u32 seq, u8 *rcd_sn,
enum tls_offload_ctx_dir direction);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
};
enum tls_offload_sync_type {
diff --git a/include/net/virt_wifi.h b/include/net/virt_wifi.h
new file mode 100644
index 0000000..343e739
--- /dev/null
+++ b/include/net/virt_wifi.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* include/net/virt_wifi.h
+ *
+ * Define the extension interface for the network data simulation
+ *
+ * Copyright (C) 2019 Google, Inc.
+ *
+ * Author: lesl@google.com
+ */
+#ifndef __VIRT_WIFI_H
+#define __VIRT_WIFI_H
+
+struct virt_wifi_network_simulation {
+ void (*notify_device_open)(struct net_device *dev);
+ void (*notify_device_stop)(struct net_device *dev);
+ void (*notify_scan_trigger)(struct wiphy *wiphy,
+ struct cfg80211_scan_request *request);
+ int (*generate_virt_scan_result)(struct wiphy *wiphy);
+};
+
+int virt_wifi_register_network_simulation(
+ struct virt_wifi_network_simulation *ops);
+int virt_wifi_unregister_network_simulation(void);
+#endif
+
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 6232a5f..737ac72 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1558,12 +1558,10 @@ int xfrm_trans_queue_net(struct net *net, struct sk_buff *skb,
int xfrm_trans_queue(struct sk_buff *skb,
int (*finish)(struct net *, struct sock *,
struct sk_buff *));
-int xfrm_output_resume(struct sock *sk, struct sk_buff *skb, int err);
+int xfrm_output_resume(struct sk_buff *skb, int err);
int xfrm_output(struct sock *sk, struct sk_buff *skb);
-#if IS_ENABLED(CONFIG_NET_PKTGEN)
int pktgen_xfrm_outer_mode_output(struct xfrm_state *x, struct sk_buff *skb);
-#endif
void xfrm_local_error(struct sk_buff *skb, int mtu);
int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 5339baa..ef33451 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -88,6 +88,21 @@ static inline int scsi_is_wlun(u64 lun)
return (lun & 0xff00) == SCSI_W_LUN_BASE;
}
+/**
+ * scsi_status_is_check_condition - check the status return.
+ *
+ * @status: the status passed up from the driver (including host and
+ * driver components)
+ *
+ * This returns true if the status code is SAM_STAT_CHECK_CONDITION.
+ */
+static inline int scsi_status_is_check_condition(int status)
+{
+ if (status < 0)
+ return false;
+ status &= 0xfe;
+ return status == SAM_STAT_CHECK_CONDITION;
+}
/*
* MESSAGE CODES
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 69ade4f..b6398c9 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -11,6 +11,7 @@
#include <linux/scatterlist.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_request.h>
+#include <linux/android_kabi.h>
struct Scsi_Host;
struct scsi_driver;
@@ -142,6 +143,11 @@ struct scsi_cmnd {
unsigned char tag; /* SCSI-II queued command tag */
unsigned int extra_len; /* length of alignment and padding */
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/*
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 1a5c9a3..158423b 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -8,6 +8,7 @@
#include <linux/blkdev.h>
#include <scsi/scsi.h>
#include <linux/atomic.h>
+#include <linux/android_kabi.h>
struct device;
struct request_queue;
@@ -237,6 +238,12 @@ struct scsi_device {
struct mutex state_mutex;
enum scsi_device_state sdev_state;
struct task_struct *quiesced_by;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
+
unsigned long sdev_data[];
} __attribute__((aligned(sizeof(unsigned long))));
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 701f178..8c0d37f 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -10,6 +10,7 @@
#include <linux/seq_file.h>
#include <linux/blk-mq.h>
#include <scsi/scsi.h>
+#include <linux/android_kabi.h>
struct block_device;
struct completion;
@@ -486,6 +487,11 @@ struct scsi_host_template {
/* Delay for runtime autosuspend */
int rpm_autosuspend_delay;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
/*
@@ -692,6 +698,8 @@ struct Scsi_Host {
*/
struct device *dma_dev;
+ ANDROID_KABI_RESERVE(1);
+
/*
* We should ensure that this is aligned, both for better performance
* and also because some compilers (m68k) don't automatically force
diff --git a/include/soc/mediatek/smi.h b/include/soc/mediatek/smi.h
index 5a34b87d..15e3397 100644
--- a/include/soc/mediatek/smi.h
+++ b/include/soc/mediatek/smi.h
@@ -9,15 +9,14 @@
#include <linux/bitops.h>
#include <linux/device.h>
-#ifdef CONFIG_MTK_SMI
-
-#define MTK_LARB_NR_MAX 16
+#if IS_ENABLED(CONFIG_MTK_SMI)
#define MTK_SMI_MMU_EN(port) BIT(port)
struct mtk_smi_larb_iommu {
struct device *dev;
unsigned int mmu;
+ unsigned char bank[32];
};
/*
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index 70cbc50..82417ce 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -12,6 +12,7 @@
#include <linux/types.h>
#include <linux/sched.h>
+#include <linux/android_kabi.h>
#include <sound/core.h>
#include <sound/compress_offload.h>
#include <sound/asound.h>
@@ -54,6 +55,8 @@ struct snd_compr_runtime {
dma_addr_t dma_addr;
size_t dma_bytes;
struct snd_dma_buffer *dma_buffer_p;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -82,6 +85,8 @@ struct snd_compr_stream {
bool partial_drain;
void *private_data;
struct snd_dma_buffer dma_buffer;
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -130,6 +135,8 @@ struct snd_compr_ops {
struct snd_compr_caps *caps);
int (*get_codec_caps) (struct snd_compr_stream *stream,
struct snd_compr_codec_caps *codec);
+
+ ANDROID_KABI_RESERVE(1);
};
/**
@@ -158,6 +165,7 @@ struct snd_compr {
struct snd_info_entry *proc_root;
struct snd_info_entry *proc_info_entry;
#endif
+ ANDROID_KABI_RESERVE(1);
};
/* compress device register APIs */
diff --git a/include/sound/core.h b/include/sound/core.h
index 0462c57..b5ecbf9 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -14,6 +14,7 @@
#include <linux/pm.h> /* pm_message_t */
#include <linux/stringify.h>
#include <linux/printk.h>
+#include <linux/android_kabi.h>
/* number of supported soundcards */
#ifdef CONFIG_SND_DYNAMIC_MINORS
@@ -61,6 +62,8 @@ struct snd_device_ops {
int (*dev_free)(struct snd_device *dev);
int (*dev_register)(struct snd_device *dev);
int (*dev_disconnect)(struct snd_device *dev);
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_device {
@@ -70,6 +73,8 @@ struct snd_device {
enum snd_device_type type; /* device type */
void *device_data; /* device structure */
const struct snd_device_ops *ops; /* operations */
+
+ ANDROID_KABI_RESERVE(1);
};
#define snd_device(n) list_entry(n, struct snd_device, list)
@@ -132,6 +137,9 @@ struct snd_card {
struct snd_mixer_oss *mixer_oss;
int mixer_oss_change_count;
#endif
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define dev_to_snd_card(p) container_of(p, struct snd_card, card_dev)
@@ -167,6 +175,8 @@ struct snd_minor {
void *private_data; /* private data for f_ops->open */
struct device *dev; /* device for sysfs */
struct snd_card *card_ptr; /* assigned card instance */
+
+ ANDROID_KABI_RESERVE(1);
};
/* return a device pointer linked to each sound device as a parent */
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h
index 8c5e381..96666ef 100644
--- a/include/sound/dmaengine_pcm.h
+++ b/include/sound/dmaengine_pcm.h
@@ -66,6 +66,9 @@ struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream)
* @chan_name: Custom channel name to use when requesting DMA channel.
* @fifo_size: FIFO size of the DAI controller in bytes
* @flags: PCM_DAI flags, only SND_DMAENGINE_PCM_DAI_FLAG_PACK for now
+ * @peripheral_config: peripheral configuration for programming peripheral
+ * for dmaengine transfer
+ * @peripheral_size: peripheral configuration buffer size
*/
struct snd_dmaengine_dai_dma_data {
dma_addr_t addr;
@@ -76,6 +79,8 @@ struct snd_dmaengine_dai_dma_data {
const char *chan_name;
unsigned int fifo_size;
unsigned int flags;
+ void *peripheral_config;
+ size_t peripheral_size;
};
void snd_dmaengine_pcm_set_config_from_dai_data(
diff --git a/include/sound/hwdep.h b/include/sound/hwdep.h
index 8d6cdb2..d99a530 100644
--- a/include/sound/hwdep.h
+++ b/include/sound/hwdep.h
@@ -9,6 +9,7 @@
#include <sound/asound.h>
#include <linux/poll.h>
+#include <linux/android_kabi.h>
struct snd_hwdep;
@@ -34,6 +35,8 @@ struct snd_hwdep_ops {
struct snd_hwdep_dsp_status *status);
int (*dsp_load)(struct snd_hwdep *hw,
struct snd_hwdep_dsp_image *image);
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_hwdep {
@@ -59,6 +62,8 @@ struct snd_hwdep {
int used; /* reference counter */
unsigned int dsp_loaded; /* bit fields of loaded dsp indices */
unsigned int exclusive:1; /* exclusive access mode */
+
+ ANDROID_KABI_RESERVE(1);
};
extern int snd_hwdep_new(struct snd_card *card, char *id, int device,
diff --git a/include/sound/info.h b/include/sound/info.h
index 7c13bf5..25af5d8 100644
--- a/include/sound/info.h
+++ b/include/sound/info.h
@@ -9,6 +9,7 @@
#include <linux/poll.h>
#include <linux/seq_file.h>
+#include <linux/android_kabi.h>
#include <sound/core.h>
/* buffer for information */
@@ -55,6 +56,8 @@ struct snd_info_entry_ops {
int (*mmap)(struct snd_info_entry *entry, void *file_private_data,
struct inode *inode, struct file *file,
struct vm_area_struct *vma);
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_info_entry {
@@ -74,6 +77,8 @@ struct snd_info_entry {
struct mutex access;
struct list_head children;
struct list_head list;
+
+ ANDROID_KABI_RESERVE(1);
};
#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_SND_PROC_FS)
diff --git a/include/sound/jack.h b/include/sound/jack.h
index 9eb2b5e..70400b2 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -9,6 +9,7 @@
*/
#include <sound/core.h>
+#include <linux/android_kabi.h>
struct input_dev;
@@ -69,6 +70,8 @@ struct snd_jack {
#endif /* CONFIG_SND_JACK_INPUT_DEV */
void *private_data;
void (*private_free)(struct snd_jack *);
+
+ ANDROID_KABI_RESERVE(1);
};
#ifdef CONFIG_SND_JACK
diff --git a/include/sound/soc-component.h b/include/sound/soc-component.h
index 2c790ce..5fbbcdf 100644
--- a/include/sound/soc-component.h
+++ b/include/sound/soc-component.h
@@ -146,6 +146,8 @@ struct snd_soc_component_driver {
int (*mmap)(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct vm_area_struct *vma);
+ int (*ack)(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream);
const struct snd_compress_ops *compress_ops;
@@ -469,5 +471,6 @@ int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
void *stream);
void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
void *stream, int rollback);
+int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream);
#endif /* __SOC_COMPONENT_H */
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 3b038c5..63338f6 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -19,6 +19,7 @@
#include <linux/kernel.h>
#include <linux/regmap.h>
#include <linux/log2.h>
+#include <linux/android_kabi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/compress_driver.h>
@@ -239,6 +240,14 @@
.get = xhandler_get, .put = xhandler_put, \
.private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
xmax, xinvert) }
+#define SOC_SINGLE_MULTI_EXT(xname, xreg, xshift, xmax, xinvert, xcount,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_multi_ext, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_multi_mixer_control) \
+ {.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \
+ .count = xcount, .platform_max = xmax, .invert = xinvert} }
#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
xhandler_get, xhandler_put, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
@@ -615,6 +624,8 @@ int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+int snd_soc_info_multi_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
/**
* struct snd_soc_jack_pin - Describes a pin to update based on jack detection
@@ -836,6 +847,8 @@ struct snd_soc_dai_link {
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj; /* For topology */
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
#define for_each_link_codecs(link, i, codec) \
for ((i) = 0; \
@@ -1086,6 +1099,11 @@ struct snd_soc_card {
unsigned int probed:1;
void *drvdata;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define for_each_card_prelinks(card, i, link) \
for ((i) = 0; \
@@ -1167,6 +1185,9 @@ struct snd_soc_pcm_runtime {
unsigned int fe_compr:1; /* for Dynamic PCM */
int num_components;
+
+ ANDROID_KABI_RESERVE(1);
+
struct snd_soc_component *components[]; /* CPU/Codec/Platform */
};
/* see soc_new_pcm_runtime() */
@@ -1212,6 +1233,8 @@ struct soc_mixer_control {
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj;
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
struct soc_bytes {
@@ -1238,6 +1261,11 @@ struct soc_mreg_control {
unsigned int regbase, regcount, nbits, invert;
};
+struct soc_multi_mixer_control {
+ int min, max, platform_max, count;
+ unsigned int reg, rreg, shift, rshift, invert;
+};
+
/* enumerated kcontrol */
struct soc_enum {
int reg;
@@ -1251,6 +1279,8 @@ struct soc_enum {
#ifdef CONFIG_SND_SOC_TOPOLOGY
struct snd_soc_dobj dobj;
#endif
+
+ ANDROID_KABI_RESERVE(1);
};
static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
diff --git a/include/sound/timer.h b/include/sound/timer.h
index 760e132..b7695e4 100644
--- a/include/sound/timer.h
+++ b/include/sound/timer.h
@@ -10,6 +10,7 @@
#include <sound/asound.h>
#include <linux/interrupt.h>
+#include <linux/android_kabi.h>
#define snd_timer_chip(timer) ((timer)->private_data)
@@ -52,6 +53,8 @@ struct snd_timer_hardware {
int (*stop) (struct snd_timer * timer);
int (*set_period) (struct snd_timer * timer, unsigned long period_num, unsigned long period_den);
int (*precise_resolution) (struct snd_timer * timer, unsigned long *num, unsigned long *den);
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_timer {
@@ -77,6 +80,8 @@ struct snd_timer {
struct work_struct task_work;
int max_instances; /* upper limit of timer instances */
int num_instances; /* current number of timer instances */
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_timer_instance {
@@ -106,6 +111,8 @@ struct snd_timer_instance {
struct list_head slave_list_head;
struct list_head slave_active_head;
struct snd_timer_instance *master;
+
+ ANDROID_KABI_RESERVE(1);
};
/*
diff --git a/include/trace/events/android_fs.h b/include/trace/events/android_fs.h
new file mode 100644
index 0000000..7edb6bc
--- /dev/null
+++ b/include/trace/events/android_fs.h
@@ -0,0 +1,66 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM android_fs
+
+#if !defined(_TRACE_ANDROID_FS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ANDROID_FS_H
+
+#include <linux/fs.h>
+#include <linux/tracepoint.h>
+#include <trace/events/android_fs_template.h>
+
+DEFINE_EVENT(android_fs_data_start_template, android_fs_dataread_start,
+ TP_PROTO(struct inode *inode, loff_t offset, int bytes,
+ pid_t pid, char *pathname, char *command),
+ TP_ARGS(inode, offset, bytes, pid, pathname, command));
+
+DEFINE_EVENT(android_fs_data_end_template, android_fs_dataread_end,
+ TP_PROTO(struct inode *inode, loff_t offset, int bytes),
+ TP_ARGS(inode, offset, bytes));
+
+DEFINE_EVENT(android_fs_data_start_template, android_fs_datawrite_start,
+ TP_PROTO(struct inode *inode, loff_t offset, int bytes,
+ pid_t pid, char *pathname, char *command),
+ TP_ARGS(inode, offset, bytes, pid, pathname, command));
+
+DEFINE_EVENT(android_fs_data_end_template, android_fs_datawrite_end,
+ TP_PROTO(struct inode *inode, loff_t offset, int bytes),
+ TP_ARGS(inode, offset, bytes));
+
+#endif /* _TRACE_ANDROID_FS_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
+#ifndef ANDROID_FSTRACE_GET_PATHNAME
+#define ANDROID_FSTRACE_GET_PATHNAME
+
+/* Sizes an on-stack array, so careful if sizing this up ! */
+#define MAX_TRACE_PATHBUF_LEN 256
+
+static inline char *
+android_fstrace_get_pathname(char *buf, int buflen, struct inode *inode)
+{
+ char *path;
+ struct dentry *d;
+
+ /*
+ * d_obtain_alias() will either iput() if it locates an existing
+ * dentry or transfer the reference to the new dentry created.
+ * So get an extra reference here.
+ */
+ ihold(inode);
+ d = d_obtain_alias(inode);
+ if (likely(!IS_ERR(d))) {
+ path = dentry_path_raw(d, buf, buflen);
+ if (unlikely(IS_ERR(path))) {
+ strcpy(buf, "ERROR");
+ path = buf;
+ }
+ dput(d);
+ } else {
+ strcpy(buf, "ERROR");
+ path = buf;
+ }
+ return path;
+}
+#endif
diff --git a/include/trace/events/android_fs_template.h b/include/trace/events/android_fs_template.h
new file mode 100644
index 0000000..efc4878
--- /dev/null
+++ b/include/trace/events/android_fs_template.h
@@ -0,0 +1,64 @@
+#if !defined(_TRACE_ANDROID_FS_TEMPLATE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ANDROID_FS_TEMPLATE_H
+
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(android_fs_data_start_template,
+ TP_PROTO(struct inode *inode, loff_t offset, int bytes,
+ pid_t pid, char *pathname, char *command),
+ TP_ARGS(inode, offset, bytes, pid, pathname, command),
+ TP_STRUCT__entry(
+ __string(pathbuf, pathname)
+ __field(loff_t, offset)
+ __field(int, bytes)
+ __field(loff_t, i_size)
+ __string(cmdline, command)
+ __field(pid_t, pid)
+ __field(ino_t, ino)
+ ),
+ TP_fast_assign(
+ {
+ /*
+ * Replace the spaces in filenames and cmdlines
+ * because this screws up the tooling that parses
+ * the traces.
+ */
+ __assign_str(pathbuf, pathname);
+ (void)strreplace(__get_str(pathbuf), ' ', '_');
+ __entry->offset = offset;
+ __entry->bytes = bytes;
+ __entry->i_size = i_size_read(inode);
+ __assign_str(cmdline, command);
+ (void)strreplace(__get_str(cmdline), ' ', '_');
+ __entry->pid = pid;
+ __entry->ino = inode->i_ino;
+ }
+ ),
+ TP_printk("entry_name %s, offset %llu, bytes %d, cmdline %s,"
+ " pid %d, i_size %llu, ino %lu",
+ __get_str(pathbuf), __entry->offset, __entry->bytes,
+ __get_str(cmdline), __entry->pid, __entry->i_size,
+ (unsigned long) __entry->ino)
+);
+
+DECLARE_EVENT_CLASS(android_fs_data_end_template,
+ TP_PROTO(struct inode *inode, loff_t offset, int bytes),
+ TP_ARGS(inode, offset, bytes),
+ TP_STRUCT__entry(
+ __field(ino_t, ino)
+ __field(loff_t, offset)
+ __field(int, bytes)
+ ),
+ TP_fast_assign(
+ {
+ __entry->ino = inode->i_ino;
+ __entry->offset = offset;
+ __entry->bytes = bytes;
+ }
+ ),
+ TP_printk("ino %lu, offset %llu, bytes %d",
+ (unsigned long) __entry->ino,
+ __entry->offset, __entry->bytes)
+);
+
+#endif /* _TRACE_ANDROID_FS_TEMPLATE_H */
diff --git a/include/trace/events/cma.h b/include/trace/events/cma.h
index 5017a88..9c13432 100644
--- a/include/trace/events/cma.h
+++ b/include/trace/events/cma.h
@@ -8,14 +8,15 @@
#include <linux/types.h>
#include <linux/tracepoint.h>
-TRACE_EVENT(cma_alloc,
+DECLARE_EVENT_CLASS(cma_alloc_class,
- TP_PROTO(unsigned long pfn, const struct page *page,
+ TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
unsigned int count, unsigned int align),
- TP_ARGS(pfn, page, count, align),
+ TP_ARGS(name, pfn, page, count, align),
TP_STRUCT__entry(
+ __string(name, name)
__field(unsigned long, pfn)
__field(const struct page *, page)
__field(unsigned int, count)
@@ -23,13 +24,15 @@ TRACE_EVENT(cma_alloc,
),
TP_fast_assign(
+ __assign_str(name, name);
__entry->pfn = pfn;
__entry->page = page;
__entry->count = count;
__entry->align = align;
),
- TP_printk("pfn=%lx page=%p count=%u align=%u",
+ TP_printk("name=%s pfn=%lx page=%p count=%u align=%u",
+ __get_str(name),
__entry->pfn,
__entry->page,
__entry->count,
@@ -38,29 +41,117 @@ TRACE_EVENT(cma_alloc,
TRACE_EVENT(cma_release,
- TP_PROTO(unsigned long pfn, const struct page *page,
+ TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
unsigned int count),
- TP_ARGS(pfn, page, count),
+ TP_ARGS(name, pfn, page, count),
TP_STRUCT__entry(
+ __string(name, name)
__field(unsigned long, pfn)
__field(const struct page *, page)
__field(unsigned int, count)
),
TP_fast_assign(
+ __assign_str(name, name);
__entry->pfn = pfn;
__entry->page = page;
__entry->count = count;
),
- TP_printk("pfn=%lx page=%p count=%u",
+ TP_printk("name=%s pfn=%lx page=%p count=%u",
+ __get_str(name),
__entry->pfn,
__entry->page,
__entry->count)
);
+TRACE_EVENT(cma_alloc_start,
+
+ TP_PROTO(const char *name, unsigned int count, unsigned int align),
+
+ TP_ARGS(name, count, align),
+
+ TP_STRUCT__entry(
+ __string(name, name)
+ __field(unsigned int, count)
+ __field(unsigned int, align)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, name);
+ __entry->count = count;
+ __entry->align = align;
+ ),
+
+ TP_printk("name=%s count=%u align=%u",
+ __get_str(name),
+ __entry->count,
+ __entry->align)
+);
+
+TRACE_EVENT(cma_alloc_info,
+
+ TP_PROTO(const char *name, const struct page *page, unsigned int count, unsigned int align, struct cma_alloc_info *info),
+
+ TP_ARGS(name, page, count, align, info),
+
+ TP_STRUCT__entry(
+ __string(name, name)
+ __field(unsigned long, pfn)
+ __field(unsigned int, count)
+ __field(unsigned int, align)
+ __field(unsigned long, nr_migrated)
+ __field(unsigned long, nr_reclaimed)
+ __field(unsigned long, nr_mapped)
+ __field(unsigned int, err_iso)
+ __field(unsigned int, err_mig)
+ __field(unsigned int, err_test)
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, name);
+ __entry->pfn = page ? page_to_pfn(page) : -1;
+ __entry->count = count;
+ __entry->align = align;
+ __entry->nr_migrated = info->nr_migrated;
+ __entry->nr_reclaimed = info->nr_reclaimed;
+ __entry->nr_mapped = info->nr_mapped;
+ __entry->err_iso = info->nr_isolate_fail;
+ __entry->err_mig = info->nr_migrate_fail;
+ __entry->err_test = info->nr_test_fail;
+ ),
+
+ TP_printk("name=%s pfn=0x%lx count=%u align=%u nr_migrated=%lu nr_reclaimed=%lu nr_mapped=%lu err_iso=%u err_mig=%u err_test=%u",
+ __get_str(name),
+ __entry->pfn,
+ __entry->count,
+ __entry->align,
+ __entry->nr_migrated,
+ __entry->nr_reclaimed,
+ __entry->nr_mapped,
+ __entry->err_iso,
+ __entry->err_mig,
+ __entry->err_test)
+);
+
+DEFINE_EVENT(cma_alloc_class, cma_alloc_finish,
+
+ TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
+ unsigned int count, unsigned int align),
+
+ TP_ARGS(name, pfn, page, count, align)
+);
+
+DEFINE_EVENT(cma_alloc_class, cma_alloc_busy_retry,
+
+ TP_PROTO(const char *name, unsigned long pfn, const struct page *page,
+ unsigned int count, unsigned int align),
+
+ TP_ARGS(name, pfn, page, count, align)
+);
+
#endif /* _TRACE_CMA_H */
/* This part must be outside protection */
diff --git a/include/trace/events/cpuhp.h b/include/trace/events/cpuhp.h
index ad16f77..f302ab6 100644
--- a/include/trace/events/cpuhp.h
+++ b/include/trace/events/cpuhp.h
@@ -89,6 +89,28 @@ TRACE_EVENT(cpuhp_exit,
__entry->cpu, __entry->state, __entry->idx, __entry->ret)
);
+TRACE_EVENT(cpuhp_pause,
+ TP_PROTO(struct cpumask *cpus, u64 start_time, unsigned char pause),
+
+ TP_ARGS(cpus, start_time, pause),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, cpus )
+ __field( unsigned int, active_cpus )
+ __field( unsigned int, time )
+ __field( unsigned char, pause )
+ ),
+
+ TP_fast_assign(
+ __entry->cpus = cpumask_bits(cpus)[0];
+ __entry->active_cpus = cpumask_bits(cpu_active_mask)[0];
+ __entry->time = div64_u64(sched_clock() - start_time, 1000);
+ __entry->pause = pause;
+ ),
+
+ TP_printk("req_cpus=0x%x act_cpus=0x%x time=%u us paused=%d",
+ __entry->cpus, __entry->active_cpus, __entry->time, __entry->pause)
+);
#endif
/* This part must be outside protection */
diff --git a/include/trace/events/error_report.h b/include/trace/events/error_report.h
new file mode 100644
index 0000000..96f64bf2
--- /dev/null
+++ b/include/trace/events/error_report.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Declarations for error reporting tracepoints.
+ *
+ * Copyright (C) 2021, Google LLC.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM error_report
+
+#if !defined(_TRACE_ERROR_REPORT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ERROR_REPORT_H
+
+#include <linux/tracepoint.h>
+
+#ifndef __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
+#define __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY
+
+enum error_detector {
+ ERROR_DETECTOR_KFENCE,
+ ERROR_DETECTOR_KASAN
+};
+
+#endif /* __ERROR_REPORT_DECLARE_TRACE_ENUMS_ONCE_ONLY */
+
+#define error_detector_list \
+ EM(ERROR_DETECTOR_KFENCE, "kfence") \
+ EMe(ERROR_DETECTOR_KASAN, "kasan")
+/* Always end the list with an EMe. */
+
+#undef EM
+#undef EMe
+
+#define EM(a, b) TRACE_DEFINE_ENUM(a);
+#define EMe(a, b) TRACE_DEFINE_ENUM(a);
+
+error_detector_list
+
+#undef EM
+#undef EMe
+
+#define EM(a, b) { a, b },
+#define EMe(a, b) { a, b }
+
+#define show_error_detector_list(val) \
+ __print_symbolic(val, error_detector_list)
+
+DECLARE_EVENT_CLASS(error_report_template,
+ TP_PROTO(enum error_detector error_detector, unsigned long id),
+ TP_ARGS(error_detector, id),
+ TP_STRUCT__entry(__field(enum error_detector, error_detector)
+ __field(unsigned long, id)),
+ TP_fast_assign(__entry->error_detector = error_detector;
+ __entry->id = id;),
+ TP_printk("[%s] %lx",
+ show_error_detector_list(__entry->error_detector),
+ __entry->id));
+
+/**
+ * error_report_end - called after printing the error report
+ * @error_detector: short string describing the error detection tool
+ * @id: pseudo-unique descriptor identifying the report
+ * (e.g. the memory access address)
+ *
+ * This event occurs right after a debugging tool finishes printing the error
+ * report.
+ */
+DEFINE_EVENT(error_report_template, error_report_end,
+ TP_PROTO(enum error_detector error_detector, unsigned long id),
+ TP_ARGS(error_detector, id));
+
+#endif /* _TRACE_ERROR_REPORT_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index eeceafa..bb70f46 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -160,6 +160,51 @@ DEFINE_EVENT(softirq, softirq_raise,
TP_ARGS(vec_nr)
);
+DECLARE_EVENT_CLASS(tasklet,
+
+ TP_PROTO(void *func),
+
+ TP_ARGS(func),
+
+ TP_STRUCT__entry(
+ __field( void *, func)
+ ),
+
+ TP_fast_assign(
+ __entry->func = func;
+ ),
+
+ TP_printk("function=%ps", __entry->func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_entry,
+
+ TP_PROTO(void *func),
+
+ TP_ARGS(func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_exit,
+
+ TP_PROTO(void *func),
+
+ TP_ARGS(func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_hi_entry,
+
+ TP_PROTO(void *func),
+
+ TP_ARGS(func)
+);
+
+DEFINE_EVENT(tasklet, tasklet_hi_exit,
+
+ TP_PROTO(void *func),
+
+ TP_ARGS(func)
+);
+
#endif /* _TRACE_IRQ_H */
/* This part must be outside protection */
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h
index 4d43439..f2c99060 100644
--- a/include/trace/events/migrate.h
+++ b/include/trace/events/migrate.h
@@ -81,6 +81,28 @@ TRACE_EVENT(mm_migrate_pages,
__print_symbolic(__entry->mode, MIGRATE_MODE),
__print_symbolic(__entry->reason, MIGRATE_REASON))
);
+
+TRACE_EVENT(mm_migrate_pages_start,
+
+ TP_PROTO(enum migrate_mode mode, int reason),
+
+ TP_ARGS(mode, reason),
+
+ TP_STRUCT__entry(
+ __field(enum migrate_mode, mode)
+ __field(int, reason)
+ ),
+
+ TP_fast_assign(
+ __entry->mode = mode;
+ __entry->reason = reason;
+ ),
+
+ TP_printk("mode=%s reason=%s",
+ __print_symbolic(__entry->mode, MIGRATE_MODE),
+ __print_symbolic(__entry->reason, MIGRATE_REASON))
+);
+
#endif /* _TRACE_MIGRATE_H */
/* This part must be outside protection */
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index 67018d3..390270e 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -85,6 +85,12 @@
#define IF_HAVE_PG_ARCH_2(flag,string)
#endif
+#ifdef CONFIG_KASAN_HW_TAGS
+#define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string) ,{1UL << flag, string}
+#else
+#define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string)
+#endif
+
#define __def_pageflag_names \
{1UL << PG_locked, "locked" }, \
{1UL << PG_waiters, "waiters" }, \
@@ -112,7 +118,8 @@ IF_HAVE_PG_UNCACHED(PG_uncached, "uncached" ) \
IF_HAVE_PG_HWPOISON(PG_hwpoison, "hwpoison" ) \
IF_HAVE_PG_IDLE(PG_young, "young" ) \
IF_HAVE_PG_IDLE(PG_idle, "idle" ) \
-IF_HAVE_PG_ARCH_2(PG_arch_2, "arch_2" )
+IF_HAVE_PG_ARCH_2(PG_arch_2, "arch_2" ) \
+IF_HAVE_PG_SKIP_KASAN_POISON(PG_skip_kasan_poison, "skip_kasan_poison")
#define show_page_flags(flags) \
(flags) ? __print_flags(flags, "|", \
@@ -137,6 +144,12 @@ IF_HAVE_PG_ARCH_2(PG_arch_2, "arch_2" )
#define IF_HAVE_VM_SOFTDIRTY(flag,name)
#endif
+#ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR
+# define IF_HAVE_UFFD_MINOR(flag, name) {flag, name},
+#else
+# define IF_HAVE_UFFD_MINOR(flag, name)
+#endif
+
#define __def_vmaflag_names \
{VM_READ, "read" }, \
{VM_WRITE, "write" }, \
@@ -148,6 +161,7 @@ IF_HAVE_PG_ARCH_2(PG_arch_2, "arch_2" )
{VM_MAYSHARE, "mayshare" }, \
{VM_GROWSDOWN, "growsdown" }, \
{VM_UFFD_MISSING, "uffd_missing" }, \
+IF_HAVE_UFFD_MINOR(VM_UFFD_MINOR, "uffd_minor" ) \
{VM_PFNMAP, "pfnmap" }, \
{VM_DENYWRITE, "denywrite" }, \
{VM_UFFD_WP, "uffd_wp" }, \
diff --git a/include/trace/events/namei.h b/include/trace/events/namei.h
new file mode 100644
index 0000000..e8c3e21
--- /dev/null
+++ b/include/trace/events/namei.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM namei
+
+#if !defined(_TRACE_INODEPATH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_INODEPATH_H
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+#include <linux/mm.h>
+#include <linux/memcontrol.h>
+#include <linux/device.h>
+#include <linux/kdev_t.h>
+
+TRACE_EVENT(inodepath,
+ TP_PROTO(struct inode *inode, char *path),
+
+ TP_ARGS(inode, path),
+
+ TP_STRUCT__entry(
+ /* dev_t and ino_t are arch dependent bit width
+ * so just use 64-bit
+ */
+ __field(unsigned long, ino)
+ __field(unsigned long, dev)
+ __string(path, path)
+ ),
+
+ TP_fast_assign(
+ __entry->ino = inode->i_ino;
+ __entry->dev = inode->i_sb->s_dev;
+ __assign_str(path, path);
+ ),
+
+ TP_printk("dev %d:%d ino=%lu path=%s",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->ino, __get_str(path))
+);
+#endif /* _TRACE_INODEPATH_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/pagefault.h b/include/trace/events/pagefault.h
new file mode 100644
index 0000000..843a763
--- /dev/null
+++ b/include/trace/events/pagefault.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#undef TRACE_INCLUDE_PATH
+#define TRACE_SYSTEM pagefault
+
+#if !defined(_TRACE_PAGEFAULT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_PAGEFAULT_H
+
+#include <linux/tracepoint.h>
+#include <linux/mm.h>
+
+DECLARE_EVENT_CLASS(spf,
+
+ TP_PROTO(unsigned long caller,
+ struct vm_area_struct *vma, unsigned long address),
+
+ TP_ARGS(caller, vma, address),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, caller)
+ __field(unsigned long, vm_start)
+ __field(unsigned long, vm_end)
+ __field(unsigned long, address)
+ ),
+
+ TP_fast_assign(
+ __entry->caller = caller;
+ __entry->vm_start = vma->vm_start;
+ __entry->vm_end = vma->vm_end;
+ __entry->address = address;
+ ),
+
+ TP_printk("ip:%lx vma:%lx-%lx address:%lx",
+ __entry->caller, __entry->vm_start, __entry->vm_end,
+ __entry->address)
+);
+
+DEFINE_EVENT(spf, spf_pte_lock,
+
+ TP_PROTO(unsigned long caller,
+ struct vm_area_struct *vma, unsigned long address),
+
+ TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_changed,
+
+ TP_PROTO(unsigned long caller,
+ struct vm_area_struct *vma, unsigned long address),
+
+ TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_noanon,
+
+ TP_PROTO(unsigned long caller,
+ struct vm_area_struct *vma, unsigned long address),
+
+ TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_notsup,
+
+ TP_PROTO(unsigned long caller,
+ struct vm_area_struct *vma, unsigned long address),
+
+ TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_vma_access,
+
+ TP_PROTO(unsigned long caller,
+ struct vm_area_struct *vma, unsigned long address),
+
+ TP_ARGS(caller, vma, address)
+);
+
+DEFINE_EVENT(spf, spf_pmd_changed,
+
+ TP_PROTO(unsigned long caller,
+ struct vm_area_struct *vma, unsigned long address),
+
+ TP_ARGS(caller, vma, address)
+);
+
+#endif /* _TRACE_PAGEFAULT_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 155b5cb..8476f31 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -432,6 +432,34 @@ TRACE_EVENT_RCU(rcu_fqs,
__entry->cpu, __entry->qsevent)
);
+/*
+ * Tracepoint for RCU stall events. Takes a string identifying the RCU flavor
+ * and a string identifying which function detected the RCU stall as follows:
+ *
+ * "StallDetected": Scheduler-tick detects other CPU's stalls.
+ * "SelfDetected": Scheduler-tick detects a current CPU's stall.
+ * "ExpeditedStall": Expedited grace period detects stalls.
+ */
+TRACE_EVENT(rcu_stall_warning,
+
+ TP_PROTO(const char *rcuname, const char *msg),
+
+ TP_ARGS(rcuname, msg),
+
+ TP_STRUCT__entry(
+ __field(const char *, rcuname)
+ __field(const char *, msg)
+ ),
+
+ TP_fast_assign(
+ __entry->rcuname = rcuname;
+ __entry->msg = msg;
+ ),
+
+ TP_printk("%s %s",
+ __entry->rcuname, __entry->msg)
+);
+
#endif /* #if defined(CONFIG_TREE_RCU) */
/*
diff --git a/include/trace/events/rwmmio.h b/include/trace/events/rwmmio.h
new file mode 100644
index 0000000..af9e5eb
--- /dev/null
+++ b/include/trace/events/rwmmio.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM rwmmio
+
+#if !defined(_TRACE_MMIO_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_MMIO_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(rwmmio_write,
+
+ TP_PROTO(unsigned long fn, u64 val, u8 width, volatile void __iomem *addr),
+
+ TP_ARGS(fn, val, width, addr),
+
+ TP_STRUCT__entry(
+ __field(u64, fn)
+ __field(u64, val)
+ __field(u8, width)
+ __field(u64, addr)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->val = val;
+ __entry->width = width;
+ __entry->addr = (u64)addr;
+ ),
+
+ TP_printk("%llxS write addr=%llx of width=%x val=0x%llx\n",
+ __entry->fn, __entry->addr, __entry->width, __entry->val)
+);
+
+TRACE_EVENT(rwmmio_read,
+
+ TP_PROTO(unsigned long fn, u8 width, const volatile void __iomem *addr),
+
+ TP_ARGS(fn, width, addr),
+
+ TP_STRUCT__entry(
+ __field(u64, fn)
+ __field(u8, width)
+ __field(u64, addr)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->width = width;
+ __entry->addr = (u64)addr;
+ ),
+
+ TP_printk("%llxS read addr=%llx of width=%x\n",
+ __entry->fn, __entry->addr, __entry->width)
+);
+
+TRACE_EVENT(rwmmio_post_read,
+
+ TP_PROTO(unsigned long fn, u64 val, u8 width, const volatile void __iomem *addr),
+
+ TP_ARGS(fn, val, width, addr),
+
+ TP_STRUCT__entry(
+ __field(u64, fn)
+ __field(u64, val)
+ __field(u8, width)
+ __field(u64, addr)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->val = val;
+ __entry->width = width;
+ __entry->addr = (u64)addr;
+ ),
+
+ TP_printk("%llxS read addr=%llx of width=%x val=0x%llx\n",
+ __entry->fn, __entry->addr, __entry->width, __entry->val)
+);
+
+#endif /* _TRACE_MMIO_H */
+
+#include <trace/define_trace.h>
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index c96a433..bcd7f1f 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -198,6 +198,7 @@ TRACE_EVENT(sched_migrate_task,
__field( int, prio )
__field( int, orig_cpu )
__field( int, dest_cpu )
+ __field( int, running )
),
TP_fast_assign(
@@ -206,11 +207,13 @@ TRACE_EVENT(sched_migrate_task,
__entry->prio = p->prio; /* XXX SCHED_DEADLINE */
__entry->orig_cpu = task_cpu(p);
__entry->dest_cpu = dest_cpu;
+ __entry->running = (p->state == TASK_RUNNING);
),
- TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
+ TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d running=%d",
__entry->comm, __entry->pid, __entry->prio,
- __entry->orig_cpu, __entry->dest_cpu)
+ __entry->orig_cpu, __entry->dest_cpu,
+ __entry->running)
);
DECLARE_EVENT_CLASS(sched_process_template,
@@ -403,6 +406,30 @@ DEFINE_EVENT_SCHEDSTAT(sched_stat_template, sched_stat_blocked,
TP_ARGS(tsk, delay));
/*
+ * Tracepoint for recording the cause of uninterruptible sleep.
+ */
+TRACE_EVENT(sched_blocked_reason,
+
+ TP_PROTO(struct task_struct *tsk),
+
+ TP_ARGS(tsk),
+
+ TP_STRUCT__entry(
+ __field( pid_t, pid )
+ __field( void*, caller )
+ __field( bool, io_wait )
+ ),
+
+ TP_fast_assign(
+ __entry->pid = tsk->pid;
+ __entry->caller = (void *)get_wchan(tsk);
+ __entry->io_wait = tsk->in_iowait;
+ ),
+
+ TP_printk("pid=%d iowait=%d caller=%pS", __entry->pid, __entry->io_wait, __entry->caller)
+);
+
+/*
* Tracepoint for accounting runtime (time the task is executing
* on a CPU).
*/
diff --git a/include/trace/events/ufs.h b/include/trace/events/ufs.h
index 84841b3..50654f3 100644
--- a/include/trace/events/ufs.h
+++ b/include/trace/events/ufs.h
@@ -11,6 +11,15 @@
#include <linux/tracepoint.h>
+#define str_opcode(opcode) \
+ __print_symbolic(opcode, \
+ { WRITE_16, "WRITE_16" }, \
+ { WRITE_10, "WRITE_10" }, \
+ { READ_16, "READ_16" }, \
+ { READ_10, "READ_10" }, \
+ { SYNCHRONIZE_CACHE, "SYNC" }, \
+ { UNMAP, "UNMAP" })
+
#define UFS_LINK_STATES \
EM(UIC_LINK_OFF_STATE) \
EM(UIC_LINK_ACTIVE_STATE) \
@@ -215,9 +224,10 @@ DEFINE_EVENT(ufshcd_template, ufshcd_init,
TRACE_EVENT(ufshcd_command,
TP_PROTO(const char *dev_name, const char *str, unsigned int tag,
u32 doorbell, int transfer_len, u32 intr, u64 lba,
- u8 opcode),
+ u8 opcode, u8 group_id),
- TP_ARGS(dev_name, str, tag, doorbell, transfer_len, intr, lba, opcode),
+ TP_ARGS(dev_name, str, tag, doorbell, transfer_len,
+ intr, lba, opcode, group_id),
TP_STRUCT__entry(
__string(dev_name, dev_name)
@@ -228,6 +238,7 @@ TRACE_EVENT(ufshcd_command,
__field(u32, intr)
__field(u64, lba)
__field(u8, opcode)
+ __field(u8, group_id)
),
TP_fast_assign(
@@ -239,13 +250,15 @@ TRACE_EVENT(ufshcd_command,
__entry->intr = intr;
__entry->lba = lba;
__entry->opcode = opcode;
+ __entry->group_id = group_id;
),
TP_printk(
- "%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x",
+ "%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x (%s), group_id: 0x%x",
__get_str(str), __get_str(dev_name), __entry->tag,
__entry->doorbell, __entry->transfer_len,
- __entry->intr, __entry->lba, (u32)__entry->opcode
+ __entry->intr, __entry->lba, (u32)__entry->opcode,
+ str_opcode(__entry->opcode), (u32)__entry->group_id
)
);
diff --git a/include/trace/hooks/avc.h b/include/trace/hooks/avc.h
new file mode 100644
index 0000000..2c76e02
--- /dev/null
+++ b/include/trace/hooks/avc.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM avc
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_AVC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_AVC_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct avc_node;
+DECLARE_HOOK(android_vh_selinux_avc_insert,
+ TP_PROTO(const struct avc_node *node),
+ TP_ARGS(node));
+
+DECLARE_HOOK(android_vh_selinux_avc_node_delete,
+ TP_PROTO(const struct avc_node *node),
+ TP_ARGS(node));
+
+DECLARE_HOOK(android_vh_selinux_avc_node_replace,
+ TP_PROTO(const struct avc_node *old, const struct avc_node *new),
+ TP_ARGS(old, new));
+
+DECLARE_HOOK(android_vh_selinux_avc_lookup,
+ TP_PROTO(const struct avc_node *node, u32 ssid, u32 tsid, u16 tclass),
+ TP_ARGS(node, ssid, tsid, tclass));
+
+#endif /* _TRACE_HOOK_AVC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/binder.h b/include/trace/hooks/binder.h
new file mode 100644
index 0000000..36a7024
--- /dev/null
+++ b/include/trace/hooks/binder.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM binder
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_BINDER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_BINDER_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct binder_transaction;
+struct task_struct;
+struct binder_alloc;
+struct binder_proc;
+struct binder_thread;
+struct binder_transaction_data;
+struct seq_file;
+DECLARE_HOOK(android_vh_binder_transaction_init,
+ TP_PROTO(struct binder_transaction *t),
+ TP_ARGS(t));
+DECLARE_HOOK(android_vh_binder_priority_skip,
+ TP_PROTO(struct task_struct *task, bool *skip),
+ TP_ARGS(task, skip));
+DECLARE_HOOK(android_vh_binder_set_priority,
+ TP_PROTO(struct binder_transaction *t, struct task_struct *task),
+ TP_ARGS(t, task));
+DECLARE_HOOK(android_vh_binder_restore_priority,
+ TP_PROTO(struct binder_transaction *t, struct task_struct *task),
+ TP_ARGS(t, task));
+struct binder_proc;
+struct binder_thread;
+DECLARE_HOOK(android_vh_binder_wakeup_ilocked,
+ TP_PROTO(struct task_struct *task, bool sync, struct binder_proc *proc),
+ TP_ARGS(task, sync, proc));
+DECLARE_HOOK(android_vh_binder_wait_for_work,
+ TP_PROTO(bool do_proc_work, struct binder_thread *tsk, struct binder_proc *proc),
+ TP_ARGS(do_proc_work, tsk, proc));
+DECLARE_HOOK(android_vh_sync_txn_recvd,
+ TP_PROTO(struct task_struct *tsk, struct task_struct *from),
+ TP_ARGS(tsk, from));
+DECLARE_HOOK(android_vh_binder_alloc_new_buf_locked,
+ TP_PROTO(size_t size, struct binder_alloc *alloc, int is_async),
+ TP_ARGS(size, alloc, is_async));
+DECLARE_HOOK(android_vh_binder_reply,
+ TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
+ struct binder_thread *thread, struct binder_transaction_data *tr),
+ TP_ARGS(target_proc, proc, thread, tr));
+DECLARE_HOOK(android_vh_binder_trans,
+ TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
+ struct binder_thread *thread, struct binder_transaction_data *tr),
+ TP_ARGS(target_proc, proc, thread, tr));
+DECLARE_RESTRICTED_HOOK(android_rvh_binder_transaction,
+ TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
+ struct binder_thread *thread, struct binder_transaction_data *tr),
+ TP_ARGS(target_proc, proc, thread, tr), 1);
+DECLARE_HOOK(android_vh_binder_preset,
+ TP_PROTO(struct hlist_head *hhead, struct mutex *lock),
+ TP_ARGS(hhead, lock));
+DECLARE_HOOK(android_vh_binder_proc_transaction,
+ TP_PROTO(struct task_struct *caller_task, struct task_struct *binder_proc_task,
+ struct task_struct *binder_th_task, int node_debug_id,
+ unsigned int code, bool pending_async),
+ TP_ARGS(caller_task, binder_proc_task, binder_th_task, node_debug_id, code, pending_async));
+DECLARE_HOOK(android_vh_binder_new_ref,
+ TP_PROTO(struct task_struct *proc, uint32_t ref_desc, int node_debug_id),
+ TP_ARGS(proc, ref_desc, node_debug_id));
+DECLARE_HOOK(android_vh_binder_del_ref,
+ TP_PROTO(struct task_struct *proc, uint32_t ref_desc),
+ TP_ARGS(proc, ref_desc));
+DECLARE_HOOK(android_vh_binder_print_transaction_info,
+ TP_PROTO(struct seq_file *m, struct binder_proc *proc,
+ const char *prefix, struct binder_transaction *t),
+ TP_ARGS(m, proc, prefix, t));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_BINDER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/block.h b/include/trace/hooks/block.h
new file mode 100644
index 0000000..0d9d7db
--- /dev/null
+++ b/include/trace/hooks/block.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM block
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_BLOCK_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct blk_mq_tag_set;
+struct blk_mq_tags;
+struct blk_mq_alloc_data;
+
+DECLARE_HOOK(android_vh_blk_alloc_rqs,
+ TP_PROTO(size_t *rq_size, struct blk_mq_tag_set *set,
+ struct blk_mq_tags *tags),
+ TP_ARGS(rq_size, set, tags));
+
+DECLARE_HOOK(android_vh_blk_rq_ctx_init,
+ TP_PROTO(struct request *rq, struct blk_mq_tags *tags,
+ struct blk_mq_alloc_data *data, u64 alloc_time_ns),
+ TP_ARGS(rq, tags, data, alloc_time_ns));
+
+#endif /* _TRACE_HOOK_BLOCK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/bug.h b/include/trace/hooks/bug.h
new file mode 100644
index 0000000..685859e
--- /dev/null
+++ b/include/trace/hooks/bug.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM bug
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_BUG_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_BUG_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_RESTRICTED_HOOK(android_rvh_report_bug,
+ TP_PROTO(const char *file, unsigned int line, unsigned long bugaddr),
+ TP_ARGS(file, line, bugaddr), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_BUG_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cgroup.h b/include/trace/hooks/cgroup.h
new file mode 100644
index 0000000..6b6d791
--- /dev/null
+++ b/include/trace/hooks/cgroup.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cgroup
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CGROUP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CGROUP_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct task_struct;
+DECLARE_HOOK(android_vh_cgroup_set_task,
+ TP_PROTO(int ret, struct task_struct *task),
+ TP_ARGS(ret, task));
+DECLARE_RESTRICTED_HOOK(android_rvh_cpuset_fork,
+ TP_PROTO(struct task_struct *p, int *inherit_cpus),
+ TP_ARGS(p, inherit_cpus), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_cgroup_force_kthread_migration,
+ TP_PROTO(struct task_struct *tsk, struct cgroup *dst_cgrp, bool *force_migration),
+ TP_ARGS(tsk, dst_cgrp, force_migration), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_refrigerator,
+ TP_PROTO(bool f),
+ TP_ARGS(f), 1);
+
+struct cgroup_subsys;
+struct cgroup_taskset;
+DECLARE_HOOK(android_vh_cgroup_attach,
+ TP_PROTO(struct cgroup_subsys *ss, struct cgroup_taskset *tset),
+ TP_ARGS(ss, tset))
+#endif
+
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cpu.h b/include/trace/hooks/cpu.h
new file mode 100644
index 0000000..fc3eaf3
--- /dev/null
+++ b/include/trace/hooks/cpu.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpu
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CPU_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPU_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_cpu_up,
+ TP_PROTO(unsigned int cpu),
+ TP_ARGS(cpu));
+
+DECLARE_HOOK(android_vh_cpu_down,
+ TP_PROTO(unsigned int cpu),
+ TP_ARGS(cpu));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_CPU_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cpufreq.h b/include/trace/hooks/cpufreq.h
new file mode 100644
index 0000000..5e20f7d
--- /dev/null
+++ b/include/trace/hooks/cpufreq.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpufreq
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_CPUFREQ_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPUFREQ_H
+
+#include <linux/cpufreq.h>
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_RESTRICTED_HOOK(android_rvh_show_max_freq,
+ TP_PROTO(struct cpufreq_policy *policy, unsigned int *max_freq),
+ TP_ARGS(policy, max_freq), 1);
+
+DECLARE_HOOK(android_vh_show_max_freq,
+ TP_PROTO(struct cpufreq_policy *policy, unsigned int *max_freq),
+ TP_ARGS(policy, max_freq));
+
+DECLARE_HOOK(android_vh_freq_table_limits,
+ TP_PROTO(struct cpufreq_policy *policy, unsigned int min_freq,
+ unsigned int max_freq),
+ TP_ARGS(policy, min_freq, max_freq));
+
+DECLARE_HOOK(android_vh_cpufreq_acct_update_power,
+ TP_PROTO(u64 cputime, struct task_struct *p, unsigned int state),
+ TP_ARGS(cputime, p, state));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpufreq_transition,
+ TP_PROTO(struct cpufreq_policy *policy),
+ TP_ARGS(policy), 1);
+
+DECLARE_HOOK(android_vh_cpufreq_resolve_freq,
+ TP_PROTO(struct cpufreq_policy *policy, unsigned int target_freq,
+ unsigned int old_target_freq),
+ TP_ARGS(policy, target_freq, old_target_freq));
+
+DECLARE_HOOK(android_vh_cpufreq_fast_switch,
+ TP_PROTO(struct cpufreq_policy *policy, unsigned int target_freq,
+ unsigned int old_target_freq),
+ TP_ARGS(policy, target_freq, old_target_freq));
+
+DECLARE_HOOK(android_vh_cpufreq_target,
+ TP_PROTO(struct cpufreq_policy *policy, unsigned int target_freq,
+ unsigned int old_target_freq),
+ TP_ARGS(policy, target_freq, old_target_freq));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_CPUFREQ_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/cpuidle.h b/include/trace/hooks/cpuidle.h
new file mode 100644
index 0000000..6d1f4bf
--- /dev/null
+++ b/include/trace/hooks/cpuidle.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpuidle
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_CPUIDLE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPUIDLE_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct cpuidle_device;
+
+DECLARE_HOOK(android_vh_cpu_idle_enter,
+ TP_PROTO(int *state, struct cpuidle_device *dev),
+ TP_ARGS(state, dev))
+DECLARE_HOOK(android_vh_cpu_idle_exit,
+ TP_PROTO(int state, struct cpuidle_device *dev),
+ TP_ARGS(state, dev))
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_CPUIDLE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/cpuidle_psci.h b/include/trace/hooks/cpuidle_psci.h
new file mode 100644
index 0000000..94b01eb
--- /dev/null
+++ b/include/trace/hooks/cpuidle_psci.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM cpuidle_psci
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CPUIDLE_PSCI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CPUIDLE_PSCI_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+struct cpuidle_device;
+DECLARE_HOOK(android_vh_cpuidle_psci_enter,
+ TP_PROTO(struct cpuidle_device *dev, bool s2idle),
+ TP_ARGS(dev, s2idle));
+
+DECLARE_HOOK(android_vh_cpuidle_psci_exit,
+ TP_PROTO(struct cpuidle_device *dev, bool s2idle),
+ TP_ARGS(dev, s2idle));
+
+#endif /* _TRACE_HOOK_CPUIDLE_PSCI_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/creds.h b/include/trace/hooks/creds.h
new file mode 100644
index 0000000..dd877e3
--- /dev/null
+++ b/include/trace/hooks/creds.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM creds
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_CREDS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_CREDS_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct cred;
+struct task_struct;
+DECLARE_HOOK(android_vh_commit_creds,
+ TP_PROTO(const struct task_struct *task, const struct cred *new),
+ TP_ARGS(task, new));
+
+DECLARE_HOOK(android_vh_exit_creds,
+ TP_PROTO(const struct task_struct *task, const struct cred *cred),
+ TP_ARGS(task, cred));
+
+DECLARE_HOOK(android_vh_override_creds,
+ TP_PROTO(const struct task_struct *task, const struct cred *new),
+ TP_ARGS(task, new));
+
+DECLARE_HOOK(android_vh_revert_creds,
+ TP_PROTO(const struct task_struct *task, const struct cred *old),
+ TP_ARGS(task, old));
+
+#endif /* _TRACE_HOOK_CREDS_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/debug.h b/include/trace/hooks/debug.h
new file mode 100644
index 0000000..ac006d7
--- /dev/null
+++ b/include/trace/hooks/debug.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM debug
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_DEBUG_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_DEBUG_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
+struct pt_regs;
+
+DECLARE_HOOK(android_vh_ipi_stop,
+ TP_PROTO(struct pt_regs *regs),
+ TP_ARGS(regs))
+#else
+#define trace_android_vh_ipi_stop(regs)
+#define trace_android_vh_ipi_stop_rcuidle(regs)
+#endif
+
+#endif /* _TRACE_HOOK_DEBUG_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/dtask.h b/include/trace/hooks/dtask.h
new file mode 100644
index 0000000..3c49af0
--- /dev/null
+++ b/include/trace/hooks/dtask.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM dtask
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_DTASK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_DTASK_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct mutex;
+DECLARE_HOOK(android_vh_mutex_wait_start,
+ TP_PROTO(struct mutex *lock),
+ TP_ARGS(lock));
+DECLARE_HOOK(android_vh_mutex_wait_finish,
+ TP_PROTO(struct mutex *lock),
+ TP_ARGS(lock));
+
+struct rt_mutex;
+DECLARE_HOOK(android_vh_rtmutex_wait_start,
+ TP_PROTO(struct rt_mutex *lock),
+ TP_ARGS(lock));
+DECLARE_HOOK(android_vh_rtmutex_wait_finish,
+ TP_PROTO(struct rt_mutex *lock),
+ TP_ARGS(lock));
+
+struct rw_semaphore;
+DECLARE_HOOK(android_vh_rwsem_read_wait_start,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_read_wait_finish,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_write_wait_start,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_write_wait_finish,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+
+struct task_struct;
+DECLARE_HOOK(android_vh_sched_show_task,
+ TP_PROTO(struct task_struct *task),
+ TP_ARGS(task));
+DECLARE_HOOK(android_vh_alter_mutex_list_add,
+ TP_PROTO(struct mutex *lock,
+ struct mutex_waiter *waiter,
+ struct list_head *list,
+ bool *already_on_list),
+ TP_ARGS(lock, waiter, list, already_on_list));
+DECLARE_HOOK(android_vh_mutex_unlock_slowpath,
+ TP_PROTO(struct mutex *lock),
+ TP_ARGS(lock));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_DTASK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/epoch.h b/include/trace/hooks/epoch.h
new file mode 100644
index 0000000..f1c5342
--- /dev/null
+++ b/include/trace/hooks/epoch.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM epoch
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_EPOCH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_EPOCH_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_show_suspend_epoch_val,
+ TP_PROTO(u64 suspend_ns, u64 suspend_cycles),
+ TP_ARGS(suspend_ns, suspend_cycles));
+
+DECLARE_HOOK(android_vh_show_resume_epoch_val,
+ TP_PROTO(u64 resume_cycles),
+ TP_ARGS(resume_cycles));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_EPOCH_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/fault.h b/include/trace/hooks/fault.h
new file mode 100644
index 0000000..1daf2d2
--- /dev/null
+++ b/include/trace/hooks/fault.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fault
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FAULT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FAULT_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct pt_regs;
+DECLARE_RESTRICTED_HOOK(android_rvh_die_kernel_fault,
+ TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, const char *msg),
+ TP_ARGS(regs, esr, addr, msg), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_sea,
+ TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, const char *msg),
+ TP_ARGS(regs, esr, addr, msg), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_mem_abort,
+ TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, const char *msg),
+ TP_ARGS(regs, esr, addr, msg), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_sp_pc_abort,
+ TP_PROTO(struct pt_regs *regs, unsigned int esr, unsigned long addr, bool user),
+ TP_ARGS(regs, esr, addr, user),
+ TP_CONDITION(!user));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_FAULT_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/fips140.h b/include/trace/hooks/fips140.h
new file mode 100644
index 0000000..3aebf61
--- /dev/null
+++ b/include/trace/hooks/fips140.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fips140
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FIPS140_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FIPS140_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct crypto_aes_ctx;
+
+/*
+ * These hooks exist only for the benefit of the FIPS140 crypto module, which
+ * uses them to swap out the underlying implementation with one that is integrity
+ * checked as per FIPS 140 requirements. No other uses are allowed or
+ * supported.
+ */
+
+DECLARE_HOOK(android_vh_sha256,
+ TP_PROTO(const u8 *data,
+ unsigned int len,
+ u8 *out,
+ int *hook_inuse),
+ TP_ARGS(data, len, out, hook_inuse));
+
+DECLARE_HOOK(android_vh_aes_expandkey,
+ TP_PROTO(struct crypto_aes_ctx *ctx,
+ const u8 *in_key,
+ unsigned int key_len,
+ int *err),
+ TP_ARGS(ctx, in_key, key_len, err));
+
+DECLARE_HOOK(android_vh_aes_encrypt,
+ TP_PROTO(const struct crypto_aes_ctx *ctx,
+ u8 *out,
+ const u8 *in,
+ int *hook_inuse),
+ TP_ARGS(ctx, out, in, hook_inuse));
+
+DECLARE_HOOK(android_vh_aes_decrypt,
+ TP_PROTO(const struct crypto_aes_ctx *ctx,
+ u8 *out,
+ const u8 *in,
+ int *hook_inuse),
+ TP_ARGS(ctx, out, in, hook_inuse));
+
+#endif /* _TRACE_HOOK_FIPS140_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/fpsimd.h b/include/trace/hooks/fpsimd.h
new file mode 100644
index 0000000..a4a3ce2
--- /dev/null
+++ b/include/trace/hooks/fpsimd.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fpsimd
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FPSIMD_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FPSIMD_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct task_struct;
+
+DECLARE_HOOK(android_vh_is_fpsimd_save,
+ TP_PROTO(struct task_struct *prev, struct task_struct *next),
+ TP_ARGS(prev, next))
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_FPSIMD_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/fs.h b/include/trace/hooks/fs.h
new file mode 100644
index 0000000..90acad5
--- /dev/null
+++ b/include/trace/hooks/fs.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fs
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FS_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+DECLARE_HOOK(android_vh_ep_create_wakeup_source,
+ TP_PROTO(char *name, int len),
+ TP_ARGS(name, len));
+
+DECLARE_HOOK(android_vh_timerfd_create,
+ TP_PROTO(char *name, int len),
+ TP_ARGS(name, len));
+#endif /* _TRACE_HOOK_FS_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/ftrace_dump.h b/include/trace/hooks/ftrace_dump.h
new file mode 100644
index 0000000..ed3be8a
--- /dev/null
+++ b/include/trace/hooks/ftrace_dump.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ftrace_dump
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_FTRACE_DUMP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FTRACE_DUMP_H
+
+#include <linux/trace_seq.h>
+#include <linux/trace_events.h>
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_ftrace_oops_enter,
+ TP_PROTO(bool *ftrace_check),
+ TP_ARGS(ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_oops_exit,
+ TP_PROTO(bool *ftrace_check),
+ TP_ARGS(ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_size_check,
+ TP_PROTO(unsigned long size, bool *ftrace_check),
+ TP_ARGS(size, ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_format_check,
+ TP_PROTO(bool *ftrace_check),
+ TP_ARGS(ftrace_check));
+
+DECLARE_HOOK(android_vh_ftrace_dump_buffer,
+ TP_PROTO(struct trace_seq *trace_buf, bool *dump_printk),
+ TP_ARGS(trace_buf, dump_printk));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_FTRACE_DUMP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/futex.h b/include/trace/hooks/futex.h
new file mode 100644
index 0000000..0692dd6
--- /dev/null
+++ b/include/trace/hooks/futex.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM futex
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_FUTEX_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_FUTEX_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/plist.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_alter_futex_plist_add,
+ TP_PROTO(struct plist_node *node,
+ struct plist_head *head,
+ bool *already_on_hb),
+ TP_ARGS(node, head, already_on_hb));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_FUTEX_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/gic.h b/include/trace/hooks/gic.h
new file mode 100644
index 0000000..2f7d3cf
--- /dev/null
+++ b/include/trace/hooks/gic.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gic
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_GIC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_GIC_H
+
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+struct gic_chip_data;
+
+DECLARE_HOOK(android_vh_gic_resume,
+ TP_PROTO(struct gic_chip_data *gd),
+ TP_ARGS(gd));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_GIC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/gic_v3.h b/include/trace/hooks/gic_v3.h
new file mode 100644
index 0000000..3afb737
--- /dev/null
+++ b/include/trace/hooks/gic_v3.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gic_v3
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_GIC_V3_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_GIC_V3_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct irq_data;
+struct cpumask;
+DECLARE_HOOK(android_vh_gic_v3_affinity_init,
+ TP_PROTO(int irq, u32 offset, u64 *affinity),
+ TP_ARGS(irq, offset, affinity));
+DECLARE_RESTRICTED_HOOK(android_rvh_gic_v3_set_affinity,
+ TP_PROTO(struct irq_data *d, const struct cpumask *mask_val,
+ u64 *affinity, bool force, void __iomem *base),
+ TP_ARGS(d, mask_val, affinity, force, base),
+ 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_GIC_V3_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/gpiolib.h b/include/trace/hooks/gpiolib.h
new file mode 100644
index 0000000..96aca93
--- /dev/null
+++ b/include/trace/hooks/gpiolib.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gpiolib
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_GPIOLIB_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_GPIOLIB_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+#include "../drivers/gpio/gpiolib.h"
+
+#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
+DECLARE_HOOK(android_vh_gpio_block_read,
+ TP_PROTO(struct gpio_device *gdev, bool *block_gpio_read),
+ TP_ARGS(gdev, block_gpio_read));
+#else
+#define trace_android_vh_gpio_block_read(gdev, block_gpio_read)
+#endif
+
+#endif /* _TRACE_HOOK_GPIOLIB_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/hung_task.h b/include/trace/hooks/hung_task.h
new file mode 100644
index 0000000..b355828
--- /dev/null
+++ b/include/trace/hooks/hung_task.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hung_task
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_HUNG_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_HUNG_TASK_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_check_uninterruptible_tasks,
+ TP_PROTO(struct task_struct *t, unsigned long timeout,
+ bool *need_check),
+ TP_ARGS(t, timeout, need_check));
+
+DECLARE_HOOK(android_vh_check_uninterruptible_tasks_dn,
+ TP_PROTO(void *unused),
+ TP_ARGS(unused));
+
+#endif /* _TRACE_HOOK_HUNG_TASK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/i2c.h b/include/trace/hooks/i2c.h
new file mode 100644
index 0000000..71536ad
--- /dev/null
+++ b/include/trace/hooks/i2c.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM i2c
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_I2C_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_I2C_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_of_i2c_get_board_info,
+ TP_PROTO(struct device_node *node, const char **dev_name),
+ TP_ARGS(node, dev_name));
+
+#endif /* _TRACE_HOOK_I2C_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/iommu.h b/include/trace/hooks/iommu.h
new file mode 100644
index 0000000..dd54a50
--- /dev/null
+++ b/include/trace/hooks/iommu.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iommu
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_IOMMU_H
+
+#include <linux/types.h>
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_iommu_setup_dma_ops,
+ TP_PROTO(struct device *dev, u64 dma_base, u64 size),
+ TP_ARGS(dev, dma_base, size));
+
+DECLARE_HOOK(android_vh_iommu_alloc_iova,
+ TP_PROTO(struct device *dev, dma_addr_t iova, size_t size),
+ TP_ARGS(dev, iova, size));
+
+struct iova_domain;
+
+DECLARE_HOOK(android_vh_iommu_iovad_alloc_iova,
+ TP_PROTO(struct device *dev, struct iova_domain *iovad, dma_addr_t iova, size_t size),
+ TP_ARGS(dev, iovad, iova, size));
+
+DECLARE_HOOK(android_vh_iommu_free_iova,
+ TP_PROTO(dma_addr_t iova, size_t size),
+ TP_ARGS(iova, size));
+
+DECLARE_HOOK(android_vh_iommu_iovad_free_iova,
+ TP_PROTO(struct iova_domain *iovad, dma_addr_t iova, size_t size),
+ TP_ARGS(iovad, iova, size));
+
+
+#endif /* _TRACE_HOOK_IOMMU_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/ipv4.h b/include/trace/hooks/ipv4.h
new file mode 100644
index 0000000..06fe06d
--- /dev/null
+++ b/include/trace/hooks/ipv4.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ipv4
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_IPV4_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_IPV4_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_RESTRICTED_HOOK(android_rvh_tcp_sendmsg_locked,
+ TP_PROTO(struct sock *sk, int size),
+ TP_ARGS(sk, size), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_tcp_recvmsg,
+ TP_PROTO(struct sock *sk),
+ TP_ARGS(sk), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_udp_sendmsg,
+ TP_PROTO(struct sock *sk),
+ TP_ARGS(sk), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_udp_recvmsg,
+ TP_PROTO(struct sock *sk),
+ TP_ARGS(sk), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_tcp_recvmsg_stat,
+ TP_PROTO(struct sock *sk, int size),
+ TP_ARGS(sk, size), 1);
+
+#endif /* _TRACE_HOOK_IPV4_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/ipv6.h b/include/trace/hooks/ipv6.h
new file mode 100644
index 0000000..c1998af
--- /dev/null
+++ b/include/trace/hooks/ipv6.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ipv6
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_IPV6_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_IPV6_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_ipv6_gen_linklocal_addr,
+ TP_PROTO(struct net_device *dev, bool *ret),
+ TP_ARGS(dev, ret));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_IPV6_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/logbuf.h b/include/trace/hooks/logbuf.h
new file mode 100644
index 0000000..f73ad59
--- /dev/null
+++ b/include/trace/hooks/logbuf.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM logbuf
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_LOGBUF_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_LOGBUF_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct printk_ringbuffer;
+struct printk_record;
+
+DECLARE_HOOK(android_vh_logbuf,
+ TP_PROTO(struct printk_ringbuffer *rb, struct printk_record *r),
+ TP_ARGS(rb, r))
+
+DECLARE_HOOK(android_vh_logbuf_pr_cont,
+ TP_PROTO(struct printk_record *r, size_t text_len),
+ TP_ARGS(r, text_len))
+
+#endif /* _TRACE_HOOK_LOGBUF_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/memory.h b/include/trace/hooks/memory.h
new file mode 100644
index 0000000..4b3f77a
--- /dev/null
+++ b/include/trace/hooks/memory.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM memory
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_MEMORY_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MEMORY_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_set_memory_x,
+ TP_PROTO(unsigned long addr, int nr_pages),
+ TP_ARGS(addr, nr_pages));
+
+DECLARE_HOOK(android_vh_set_memory_nx,
+ TP_PROTO(unsigned long addr, int nr_pages),
+ TP_ARGS(addr, nr_pages));
+
+DECLARE_HOOK(android_vh_set_memory_ro,
+ TP_PROTO(unsigned long addr, int nr_pages),
+ TP_ARGS(addr, nr_pages));
+
+DECLARE_HOOK(android_vh_set_memory_rw,
+ TP_PROTO(unsigned long addr, int nr_pages),
+ TP_ARGS(addr, nr_pages));
+
+#endif /* _TRACE_HOOK_MEMORY_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/mm.h b/include/trace/hooks/mm.h
new file mode 100644
index 0000000..4b299fd
--- /dev/null
+++ b/include/trace/hooks/mm.h
@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mm
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_MM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MM_H
+
+#include <linux/types.h>
+
+#include <linux/mm.h>
+#include <linux/oom.h>
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct cma;
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_skip_swapcache_flags,
+ TP_PROTO(gfp_t *flags),
+ TP_ARGS(flags), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_set_gfp_zone_flags,
+ TP_PROTO(gfp_t *flags),
+ TP_ARGS(flags), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_set_readahead_gfp_mask,
+ TP_PROTO(gfp_t *flags),
+ TP_ARGS(flags), 1);
+DECLARE_HOOK(android_vh_cma_alloc_start,
+ TP_PROTO(s64 *ts),
+ TP_ARGS(ts));
+DECLARE_HOOK(android_vh_cma_alloc_finish,
+ TP_PROTO(struct cma *cma, struct page *page, unsigned long count,
+ unsigned int align, gfp_t gfp_mask, s64 ts),
+ TP_ARGS(cma, page, count, align, gfp_mask, ts));
+DECLARE_HOOK(android_vh_rmqueue,
+ TP_PROTO(struct zone *preferred_zone, struct zone *zone,
+ unsigned int order, gfp_t gfp_flags,
+ unsigned int alloc_flags, int migratetype),
+ TP_ARGS(preferred_zone, zone, order,
+ gfp_flags, alloc_flags, migratetype));
+DECLARE_HOOK(android_vh_pagecache_get_page,
+ TP_PROTO(struct address_space *mapping, pgoff_t index,
+ int fgp_flags, gfp_t gfp_mask, struct page *page),
+ TP_ARGS(mapping, index, fgp_flags, gfp_mask, page));
+DECLARE_HOOK(android_vh_filemap_fault_get_page,
+ TP_PROTO(struct vm_fault *vmf, struct page **page, bool *retry),
+ TP_ARGS(vmf, page, retry));
+DECLARE_HOOK(android_vh_filemap_fault_cache_page,
+ TP_PROTO(struct vm_fault *vmf, struct page *page),
+ TP_ARGS(vmf, page));
+DECLARE_HOOK(android_vh_meminfo_proc_show,
+ TP_PROTO(struct seq_file *m),
+ TP_ARGS(m));
+DECLARE_HOOK(android_vh_exit_mm,
+ TP_PROTO(struct mm_struct *mm),
+ TP_ARGS(mm));
+DECLARE_HOOK(android_vh_get_from_fragment_pool,
+ TP_PROTO(struct mm_struct *mm, struct vm_unmapped_area_info *info,
+ unsigned long *addr),
+ TP_ARGS(mm, info, addr));
+DECLARE_HOOK(android_vh_exclude_reserved_zone,
+ TP_PROTO(struct mm_struct *mm, struct vm_unmapped_area_info *info),
+ TP_ARGS(mm, info));
+DECLARE_HOOK(android_vh_include_reserved_zone,
+ TP_PROTO(struct mm_struct *mm, struct vm_unmapped_area_info *info,
+ unsigned long *addr),
+ TP_ARGS(mm, info, addr));
+DECLARE_HOOK(android_vh_show_mem,
+ TP_PROTO(unsigned int filter, nodemask_t *nodemask),
+ TP_ARGS(filter, nodemask));
+DECLARE_HOOK(android_vh_alloc_pages_slowpath,
+ TP_PROTO(gfp_t gfp_mask, unsigned int order, unsigned long delta),
+ TP_ARGS(gfp_mask, order, delta));
+DECLARE_HOOK(android_vh_print_slabinfo_header,
+ TP_PROTO(struct seq_file *m),
+ TP_ARGS(m));
+struct slabinfo;
+DECLARE_HOOK(android_vh_cache_show,
+ TP_PROTO(struct seq_file *m, struct slabinfo *sinfo, struct kmem_cache *s),
+ TP_ARGS(m, sinfo, s));
+struct dirty_throttle_control;
+DECLARE_HOOK(android_vh_mm_dirty_limits,
+ TP_PROTO(struct dirty_throttle_control *const gdtc, bool strictlimit,
+ unsigned long dirty, unsigned long bg_thresh,
+ unsigned long nr_reclaimable, unsigned long pages_dirtied),
+ TP_ARGS(gdtc, strictlimit, dirty, bg_thresh,
+ nr_reclaimable, pages_dirtied));
+DECLARE_HOOK(android_vh_oom_check_panic,
+ TP_PROTO(struct oom_control *oc, int *ret),
+ TP_ARGS(oc, ret));
+DECLARE_HOOK(android_vh_save_vmalloc_stack,
+ TP_PROTO(unsigned long flags, struct vm_struct *vm),
+ TP_ARGS(flags, vm));
+DECLARE_HOOK(android_vh_show_stack_hash,
+ TP_PROTO(struct seq_file *m, struct vm_struct *v),
+ TP_ARGS(m, v));
+DECLARE_HOOK(android_vh_save_track_hash,
+ TP_PROTO(bool alloc, unsigned long p),
+ TP_ARGS(alloc, p));
+struct mem_cgroup;
+DECLARE_HOOK(android_vh_vmpressure,
+ TP_PROTO(struct mem_cgroup *memcg, bool *bypass),
+ TP_ARGS(memcg, bypass));
+DECLARE_HOOK(android_vh_mem_cgroup_alloc,
+ TP_PROTO(struct mem_cgroup *memcg),
+ TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_free,
+ TP_PROTO(struct mem_cgroup *memcg),
+ TP_ARGS(memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_id_remove,
+ TP_PROTO(struct mem_cgroup *memcg),
+ TP_ARGS(memcg));
+struct cgroup_subsys_state;
+DECLARE_HOOK(android_vh_mem_cgroup_css_online,
+ TP_PROTO(struct cgroup_subsys_state *css, struct mem_cgroup *memcg),
+ TP_ARGS(css, memcg));
+DECLARE_HOOK(android_vh_mem_cgroup_css_offline,
+ TP_PROTO(struct cgroup_subsys_state *css, struct mem_cgroup *memcg),
+ TP_ARGS(css, memcg));
+DECLARE_HOOK(android_vh_kmalloc_slab,
+ TP_PROTO(unsigned int index, gfp_t flags, struct kmem_cache **s),
+ TP_ARGS(index, flags, s));
+DECLARE_HOOK(android_vh_mmap_region,
+ TP_PROTO(struct vm_area_struct *vma, unsigned long addr),
+ TP_ARGS(vma, addr));
+DECLARE_HOOK(android_vh_try_to_unmap_one,
+ TP_PROTO(struct vm_area_struct *vma, struct page *page, unsigned long addr, bool ret),
+ TP_ARGS(vma, page, addr, ret));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_MM_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/mmc_core.h b/include/trace/hooks/mmc_core.h
new file mode 100644
index 0000000..ad367782
--- /dev/null
+++ b/include/trace/hooks/mmc_core.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mmc_core
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_MMC_CORE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MMC_CORE_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct mmc_host;
+struct mmc_card;
+struct sdhci_host;
+
+DECLARE_HOOK(android_vh_mmc_blk_reset,
+ TP_PROTO(struct mmc_host *host, int err, bool *allow),
+ TP_ARGS(host, err, allow));
+DECLARE_HOOK(android_vh_mmc_blk_mq_rw_recovery,
+ TP_PROTO(struct mmc_card *card),
+ TP_ARGS(card));
+DECLARE_HOOK(android_vh_sd_update_bus_speed_mode,
+ TP_PROTO(struct mmc_card *card),
+ TP_ARGS(card));
+DECLARE_HOOK(android_vh_mmc_attach_sd,
+ TP_PROTO(struct mmc_host *host, u32 ocr, int err),
+ TP_ARGS(host, ocr, err));
+DECLARE_HOOK(android_vh_sdhci_get_cd,
+ TP_PROTO(struct sdhci_host *host, bool *allow),
+ TP_ARGS(host, allow));
+DECLARE_HOOK(android_vh_mmc_gpio_cd_irqt,
+ TP_PROTO(struct mmc_host *host, bool *allow),
+ TP_ARGS(host, allow));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_MMC_CORE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/module.h b/include/trace/hooks/module.h
new file mode 100644
index 0000000..281cb0d
--- /dev/null
+++ b/include/trace/hooks/module.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM module
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_MODULE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_MODULE_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct module;
+DECLARE_HOOK(android_vh_set_module_permit_before_init,
+ TP_PROTO(const struct module *mod),
+ TP_ARGS(mod));
+
+DECLARE_HOOK(android_vh_set_module_permit_after_init,
+ TP_PROTO(const struct module *mod),
+ TP_ARGS(mod));
+
+#endif /* _TRACE_HOOK_MODULE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/net.h b/include/trace/hooks/net.h
new file mode 100644
index 0000000..6715aa4
--- /dev/null
+++ b/include/trace/hooks/net.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM net
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_NET_VH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_NET_VH_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct packet_type;
+struct list_head;
+struct sk_buff;
+DECLARE_HOOK(android_vh_ptype_head,
+ TP_PROTO(const struct packet_type *pt, struct list_head *vendor_pt),
+ TP_ARGS(pt, vendor_pt));
+DECLARE_HOOK(android_vh_kfree_skb,
+ TP_PROTO(struct sk_buff *skb), TP_ARGS(skb));
+
+struct nf_conn;
+struct sock;
+DECLARE_RESTRICTED_HOOK(android_rvh_nf_conn_alloc,
+ TP_PROTO(struct nf_conn *nf_conn), TP_ARGS(nf_conn), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_nf_conn_free,
+ TP_PROTO(struct nf_conn *nf_conn), TP_ARGS(nf_conn), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_sk_alloc,
+ TP_PROTO(struct sock *sock), TP_ARGS(sock), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_sk_free,
+ TP_PROTO(struct sock *sock), TP_ARGS(sock), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_NET_VH_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/pci.h b/include/trace/hooks/pci.h
new file mode 100644
index 0000000..d9c5e4a
--- /dev/null
+++ b/include/trace/hooks/pci.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pci
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PCI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PCI_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+DECLARE_RESTRICTED_HOOK(android_rvh_pci_d3_sleep,
+ TP_PROTO(struct pci_dev *dev, unsigned int delay, int *err),
+ TP_ARGS(dev, delay, err), 1);
+
+#endif /* _TRACE_HOOK_PCI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/pm_domain.h b/include/trace/hooks/pm_domain.h
new file mode 100644
index 0000000..548e350e
--- /dev/null
+++ b/include/trace/hooks/pm_domain.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pm_domain
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PM_DOMAIN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PM_DOMAIN_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct generic_pm_domain;
+DECLARE_HOOK(android_vh_allow_domain_state,
+ TP_PROTO(struct generic_pm_domain *genpd, uint32_t idx, bool *allow),
+ TP_ARGS(genpd, idx, allow))
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_PM_DOMAIN_H */
+
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/power.h b/include/trace/hooks/power.h
new file mode 100644
index 0000000..149ea08
--- /dev/null
+++ b/include/trace/hooks/power.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM power
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_POWER_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct task_struct;
+DECLARE_HOOK(android_vh_try_to_freeze_todo,
+ TP_PROTO(unsigned int todo, unsigned int elapsed_msecs, bool wq_busy),
+ TP_ARGS(todo, elapsed_msecs, wq_busy));
+
+DECLARE_HOOK(android_vh_try_to_freeze_todo_unfrozen,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p));
+
+enum freq_qos_req_type;
+struct freq_qos_request;
+struct freq_constraints;
+
+DECLARE_HOOK(android_vh_freq_qos_add_request,
+ TP_PROTO(struct freq_constraints *qos, struct freq_qos_request *req,
+ enum freq_qos_req_type type, int value, int ret),
+ TP_ARGS(qos, req, type, value, ret));
+
+DECLARE_HOOK(android_vh_freq_qos_update_request,
+ TP_PROTO(struct freq_qos_request *req, int value),
+ TP_ARGS(req, value));
+
+DECLARE_HOOK(android_vh_freq_qos_remove_request,
+ TP_PROTO(struct freq_qos_request *req),
+ TP_ARGS(req));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_POWER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/preemptirq.h b/include/trace/hooks/preemptirq.h
new file mode 100644
index 0000000..b4d32c4
--- /dev/null
+++ b/include/trace/hooks/preemptirq.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM preemptirq
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PREEMPTIRQ_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_RESTRICTED_HOOK(android_rvh_preempt_disable,
+ TP_PROTO(unsigned long ip, unsigned long parent_ip),
+ TP_ARGS(ip, parent_ip), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_preempt_enable,
+ TP_PROTO(unsigned long ip, unsigned long parent_ip),
+ TP_ARGS(ip, parent_ip), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_irqs_disable,
+ TP_PROTO(unsigned long ip, unsigned long parent_ip),
+ TP_ARGS(ip, parent_ip), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_irqs_enable,
+ TP_PROTO(unsigned long ip, unsigned long parent_ip),
+ TP_ARGS(ip, parent_ip), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_PREEMPTIRQ_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/printk.h b/include/trace/hooks/printk.h
new file mode 100644
index 0000000..e4df6e4
--- /dev/null
+++ b/include/trace/hooks/printk.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM printk
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PRINTK_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_printk_hotplug,
+ TP_PROTO(int *flag),
+ TP_ARGS(flag));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_PRINTK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/psi.h b/include/trace/hooks/psi.h
new file mode 100644
index 0000000..62d1a0e
--- /dev/null
+++ b/include/trace/hooks/psi.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM psi
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_PSI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_PSI_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
+
+struct psi_trigger;
+struct psi_group;
+DECLARE_HOOK(android_vh_psi_event,
+ TP_PROTO(struct psi_trigger *t),
+ TP_ARGS(t));
+
+DECLARE_HOOK(android_vh_psi_group,
+ TP_PROTO(struct psi_group *group),
+ TP_ARGS(group));
+
+#else
+#define trace_android_vh_psi_event(t)
+#define trace_android_vh_psi_group(group)
+#endif
+
+#endif /* _TRACE_HOOK_PSI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/remoteproc.h b/include/trace/hooks/remoteproc.h
new file mode 100644
index 0000000..c39c2c1
--- /dev/null
+++ b/include/trace/hooks/remoteproc.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM remoteproc
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_RPROC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_RPROC_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct rproc;
+
+/* When recovery succeeds */
+DECLARE_HOOK(android_vh_rproc_recovery,
+ TP_PROTO(struct rproc *rproc),
+ TP_ARGS(rproc));
+
+/* When recovery mode is enabled or disabled by sysfs */
+DECLARE_HOOK(android_vh_rproc_recovery_set,
+ TP_PROTO(struct rproc *rproc),
+ TP_ARGS(rproc));
+
+#endif /* _TRACE_HOOK_RPROC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/rwsem.h b/include/trace/hooks/rwsem.h
new file mode 100644
index 0000000..d644a6e
--- /dev/null
+++ b/include/trace/hooks/rwsem.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM rwsem
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_RWSEM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_RWSEM_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct rw_semaphore;
+struct rwsem_waiter;
+DECLARE_HOOK(android_vh_rwsem_init,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_wake,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+DECLARE_HOOK(android_vh_rwsem_write_finished,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+DECLARE_HOOK(android_vh_alter_rwsem_list_add,
+ TP_PROTO(struct rwsem_waiter *waiter,
+ struct rw_semaphore *sem,
+ bool *already_on_list),
+ TP_ARGS(waiter, sem, already_on_list));
+DECLARE_HOOK(android_vh_rwsem_wake_finish,
+ TP_PROTO(struct rw_semaphore *sem),
+ TP_ARGS(sem));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_RWSEM_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/sched.h b/include/trace/hooks/sched.h
new file mode 100644
index 0000000..0844244
--- /dev/null
+++ b/include/trace/hooks/sched.h
@@ -0,0 +1,397 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sched
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SCHED_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SCHED_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct task_struct;
+DECLARE_RESTRICTED_HOOK(android_rvh_select_task_rq_fair,
+ TP_PROTO(struct task_struct *p, int prev_cpu, int sd_flag, int wake_flags, int *new_cpu),
+ TP_ARGS(p, prev_cpu, sd_flag, wake_flags, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_select_task_rq_rt,
+ TP_PROTO(struct task_struct *p, int prev_cpu, int sd_flag, int wake_flags, int *new_cpu),
+ TP_ARGS(p, prev_cpu, sd_flag, wake_flags, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_select_fallback_rq,
+ TP_PROTO(int cpu, struct task_struct *p, int *new_cpu),
+ TP_ARGS(cpu, p, new_cpu), 1);
+
+struct rq;
+DECLARE_HOOK(android_vh_scheduler_tick,
+ TP_PROTO(struct rq *rq),
+ TP_ARGS(rq));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_enqueue_task,
+ TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+ TP_ARGS(rq, p, flags), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_task,
+ TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+ TP_ARGS(rq, p, flags), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_can_migrate_task,
+ TP_PROTO(struct task_struct *p, int dst_cpu, int *can_migrate),
+ TP_ARGS(p, dst_cpu, can_migrate), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_lowest_rq,
+ TP_PROTO(struct task_struct *p, struct cpumask *local_cpu_mask,
+ int ret, int *lowest_cpu),
+ TP_ARGS(p, local_cpu_mask, ret, lowest_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_prepare_prio_fork,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_finish_prio_fork,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_rtmutex_prepare_setprio,
+ TP_PROTO(struct task_struct *p, struct task_struct *pi_task),
+ TP_ARGS(p, pi_task), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_user_nice,
+ TP_PROTO(struct task_struct *p, long *nice, bool *allowed),
+ TP_ARGS(p, nice, allowed), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_setscheduler,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+struct sched_group;
+DECLARE_RESTRICTED_HOOK(android_rvh_find_busiest_group,
+ TP_PROTO(struct sched_group *busiest, struct rq *dst_rq, int *out_balance),
+ TP_ARGS(busiest, dst_rq, out_balance), 1);
+
+DECLARE_HOOK(android_vh_dump_throttled_rt_tasks,
+ TP_PROTO(int cpu, u64 clock, ktime_t rt_period, u64 rt_runtime,
+ s64 rt_period_timer_expires),
+ TP_ARGS(cpu, clock, rt_period, rt_runtime, rt_period_timer_expires));
+
+DECLARE_HOOK(android_vh_jiffies_update,
+ TP_PROTO(void *unused),
+ TP_ARGS(unused));
+
+struct rq_flags;
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_newidle_balance,
+ TP_PROTO(struct rq *this_rq, struct rq_flags *rf,
+ int *pulled_task, int *done),
+ TP_ARGS(this_rq, rf, pulled_task, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_nohz_balancer_kick,
+ TP_PROTO(struct rq *rq, unsigned int *flags, int *done),
+ TP_ARGS(rq, flags, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_rebalance_domains,
+ TP_PROTO(struct rq *rq, int *continue_balancing),
+ TP_ARGS(rq, continue_balancing), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_busiest_queue,
+ TP_PROTO(int dst_cpu, struct sched_group *group,
+ struct cpumask *env_cpus, struct rq **busiest,
+ int *done),
+ TP_ARGS(dst_cpu, group, env_cpus, busiest, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_migrate_queued_task,
+ TP_PROTO(struct rq *rq, struct rq_flags *rf,
+ struct task_struct *p, int new_cpu,
+ int *detached),
+ TP_ARGS(rq, rf, p, new_cpu, detached), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_resume_cpus,
+ TP_PROTO(struct cpumask *cpus, int *err),
+ TP_ARGS(cpus, err), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_energy_efficient_cpu,
+ TP_PROTO(struct task_struct *p, int prev_cpu, int sync, int *new_cpu),
+ TP_ARGS(p, prev_cpu, sync, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_iowait,
+ TP_PROTO(struct task_struct *p, int *should_iowait_boost),
+ TP_ARGS(p, should_iowait_boost), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_overutilized,
+ TP_PROTO(int cpu, int *overutilized),
+ TP_ARGS(cpu, overutilized), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_setaffinity,
+ TP_PROTO(struct task_struct *p, const struct cpumask *in_mask, int *retval),
+ TP_ARGS(p, in_mask, retval), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_cpus_allowed,
+ TP_PROTO(struct task_struct *p, cpumask_var_t cpus_requested,
+ const struct cpumask *new_mask, int *ret),
+ TP_ARGS(p, cpus_requested, new_mask, ret), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_task_cpu,
+ TP_PROTO(struct task_struct *p, unsigned int new_cpu),
+ TP_ARGS(p, new_cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_try_to_wake_up,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_try_to_wake_up_success,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_fork,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_wake_up_new_task,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_new_task_stats,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_flush_task,
+ TP_PROTO(struct task_struct *prev),
+ TP_ARGS(prev), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_tick_entry,
+ TP_PROTO(struct rq *rq),
+ TP_ARGS(rq), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_schedule,
+ TP_PROTO(struct task_struct *prev, struct task_struct *next, struct rq *rq),
+ TP_ARGS(prev, next, rq), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_cpu_starting,
+ TP_PROTO(int cpu),
+ TP_ARGS(cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_cpu_dying,
+ TP_PROTO(int cpu),
+ TP_ARGS(cpu), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_account_irq,
+ TP_PROTO(struct task_struct *curr, int cpu, s64 delta),
+ TP_ARGS(curr, cpu, delta), 1);
+
+struct sched_entity;
+DECLARE_RESTRICTED_HOOK(android_rvh_place_entity,
+ TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial, u64 vruntime),
+ TP_ARGS(cfs_rq, se, initial, vruntime), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_build_perf_domains,
+ TP_PROTO(bool *eas_check),
+ TP_ARGS(eas_check), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_cpu_capacity,
+ TP_PROTO(int cpu, unsigned long *capacity),
+ TP_ARGS(cpu, capacity), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_update_misfit_status,
+ TP_PROTO(struct task_struct *p, struct rq *rq, bool *need_update),
+ TP_ARGS(p, rq, need_update), 1);
+
+struct cgroup_taskset;
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_attach,
+ TP_PROTO(struct cgroup_taskset *tset),
+ TP_ARGS(tset), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_can_attach,
+ TP_PROTO(struct cgroup_taskset *tset, int *retval),
+ TP_ARGS(tset, retval), 1);
+
+struct cgroup_subsys_state;
+DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_online,
+ TP_PROTO(struct cgroup_subsys_state *css),
+ TP_ARGS(css), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_fork_init,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_ttwu_cond,
+ TP_PROTO(bool *cond),
+ TP_ARGS(cond), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_schedule_bug,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_exec,
+ TP_PROTO(bool *cond),
+ TP_ARGS(cond), 1);
+
+struct cpufreq_policy;
+DECLARE_HOOK(android_vh_map_util_freq,
+ TP_PROTO(unsigned long util, unsigned long freq,
+ unsigned long cap, unsigned long *next_freq, struct cpufreq_policy *policy,
+ bool *need_freq_update),
+ TP_ARGS(util, freq, cap, next_freq, policy, need_freq_update));
+
+struct em_perf_domain;
+DECLARE_HOOK(android_vh_em_cpu_energy,
+ TP_PROTO(struct em_perf_domain *pd,
+ unsigned long max_util, unsigned long sum_util,
+ unsigned long *energy),
+ TP_ARGS(pd, max_util, sum_util, energy));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_sched_balance_rt,
+ TP_PROTO(struct rq *rq, struct task_struct *p, int *done),
+ TP_ARGS(rq, p, done), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_task_idle,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p), 1);
+
+struct cfs_rq;
+DECLARE_RESTRICTED_HOOK(android_rvh_pick_next_entity,
+ TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *curr,
+ struct sched_entity **se),
+ TP_ARGS(cfs_rq, curr, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_check_preempt_wakeup,
+ TP_PROTO(struct rq *rq, struct task_struct *p, bool *preempt, bool *nopreempt,
+ int wake_flags, struct sched_entity *se, struct sched_entity *pse,
+ int next_buddy_marked, unsigned int granularity),
+ TP_ARGS(rq, p, preempt, nopreempt, wake_flags, se, pse, next_buddy_marked,
+ granularity), 1);
+
+DECLARE_HOOK(android_vh_do_wake_up_sync,
+ TP_PROTO(struct wait_queue_head *wq_head, int *done),
+ TP_ARGS(wq_head, done));
+
+DECLARE_HOOK(android_vh_set_wake_flags,
+ TP_PROTO(int *wake_flags, unsigned int *mode),
+ TP_ARGS(wake_flags, mode));
+
+enum uclamp_id;
+struct uclamp_se;
+DECLARE_RESTRICTED_HOOK(android_rvh_uclamp_eff_get,
+ TP_PROTO(struct task_struct *p, enum uclamp_id clamp_id,
+ struct uclamp_se *uclamp_max, struct uclamp_se *uclamp_eff, int *ret),
+ TP_ARGS(p, clamp_id, uclamp_max, uclamp_eff, ret), 1);
+
+DECLARE_HOOK(android_vh_build_sched_domains,
+ TP_PROTO(bool has_asym),
+ TP_ARGS(has_asym));
+DECLARE_RESTRICTED_HOOK(android_rvh_check_preempt_tick,
+ TP_PROTO(struct task_struct *p, unsigned long *ideal_runtime, bool *skip_preempt,
+ unsigned long delta_exec, struct cfs_rq *cfs_rq, struct sched_entity *curr,
+ unsigned int granularity),
+ TP_ARGS(p, ideal_runtime, skip_preempt, delta_exec, cfs_rq, curr, granularity), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_check_preempt_wakeup_ignore,
+ TP_PROTO(struct task_struct *p, bool *ignore),
+ TP_ARGS(p, ignore), 1);
+DECLARE_RESTRICTED_HOOK(android_rvh_replace_next_task_fair,
+ TP_PROTO(struct rq *rq, struct task_struct **p, struct sched_entity **se, bool *repick,
+ bool simple, struct task_struct *prev),
+ TP_ARGS(rq, p, se, repick, simple, prev), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_sched_yield,
+ TP_PROTO(struct rq *rq),
+ TP_ARGS(rq), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_util_est_update,
+ TP_PROTO(struct cfs_rq *cfs_rq, struct task_struct *p, bool task_sleep, int *ret),
+ TP_ARGS(cfs_rq, p, task_sleep, ret), 1);
+
+DECLARE_HOOK(android_vh_account_task_time,
+ TP_PROTO(struct task_struct *p, struct rq *rq, int user_tick),
+ TP_ARGS(p, rq, user_tick));
+
+DECLARE_HOOK(android_vh_irqtime_account_process_tick,
+ TP_PROTO(struct task_struct *p, struct rq *rq, int user_tick, int ticks),
+ TP_ARGS(p, rq, user_tick, ticks));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_post_init_entity_util_avg,
+ TP_PROTO(struct sched_entity *se),
+ TP_ARGS(se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_set_cpus_allowed_comm,
+ TP_PROTO(struct task_struct *p, const struct cpumask *new_mask),
+ TP_ARGS(p, new_mask), 1);
+
+DECLARE_HOOK(android_vh_sched_setaffinity_early,
+ TP_PROTO(struct task_struct *p, const struct cpumask *new_mask, int *retval),
+ TP_ARGS(p, new_mask, retval));
+
+DECLARE_HOOK(android_vh_free_task,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_after_enqueue_task,
+ TP_PROTO(struct rq *rq, struct task_struct *p),
+ TP_ARGS(rq, p), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_after_dequeue_task,
+ TP_PROTO(struct rq *rq, struct task_struct *p),
+ TP_ARGS(rq, p), 1);
+
+struct cfs_rq;
+struct sched_entity;
+struct rq_flags;
+DECLARE_RESTRICTED_HOOK(android_rvh_enqueue_entity,
+ TP_PROTO(struct cfs_rq *cfs, struct sched_entity *se),
+ TP_ARGS(cfs, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_entity,
+ TP_PROTO(struct cfs_rq *cfs, struct sched_entity *se),
+ TP_ARGS(cfs, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_entity_tick,
+ TP_PROTO(struct cfs_rq *cfs_rq, struct sched_entity *se),
+ TP_ARGS(cfs_rq, se), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_enqueue_task_fair,
+ TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+ TP_ARGS(rq, p, flags), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_dequeue_task_fair,
+ TP_PROTO(struct rq *rq, struct task_struct *p, int flags),
+ TP_ARGS(rq, p, flags), 1);
+
+DECLARE_HOOK(android_vh_prepare_update_load_avg_se,
+ TP_PROTO(struct sched_entity *se, int flags),
+ TP_ARGS(se, flags));
+
+DECLARE_HOOK(android_vh_sched_stat_runtime_rt,
+ TP_PROTO(struct task_struct *tsk, u64 delta),
+ TP_ARGS(tsk, delta));
+
+DECLARE_HOOK(android_vh_finish_update_load_avg_se,
+ TP_PROTO(struct sched_entity *se, int flags),
+ TP_ARGS(se, flags));
+
+DECLARE_HOOK(android_vh_dup_task_struct,
+ TP_PROTO(struct task_struct *tsk, struct task_struct *orig),
+ TP_ARGS(tsk, orig));
+
+DECLARE_HOOK(android_vh_set_task_comm,
+ TP_PROTO(struct task_struct *p),
+ TP_ARGS(p));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_find_new_ilb,
+ TP_PROTO(struct cpumask *nohz_idle_cpus_mask, int *ilb),
+ TP_ARGS(nohz_idle_cpus_mask, ilb), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_force_compatible_pre,
+ TP_PROTO(void *unused),
+ TP_ARGS(unused), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_force_compatible_post,
+ TP_PROTO(void *unused),
+ TP_ARGS(unused), 1);
+
+DECLARE_HOOK(android_vh_setscheduler_uclamp,
+ TP_PROTO(struct task_struct *tsk, int clamp_id, unsigned int value),
+ TP_ARGS(tsk, clamp_id, value));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_SCHED_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/scmi.h b/include/trace/hooks/scmi.h
new file mode 100644
index 0000000..ea2db9f
--- /dev/null
+++ b/include/trace/hooks/scmi.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM scmi
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SCMI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SCMI_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_scmi_timeout_sync,
+ TP_PROTO(int *timeout),
+ TP_ARGS(timeout));
+
+#endif /* _TRACE_HOOK_SCMI_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/selinux.h b/include/trace/hooks/selinux.h
new file mode 100644
index 0000000..2ad6484
--- /dev/null
+++ b/include/trace/hooks/selinux.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM selinux
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SELINUX_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SELINUX_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct selinux_state;
+DECLARE_HOOK(android_vh_selinux_is_initialized,
+ TP_PROTO(const struct selinux_state *state),
+ TP_ARGS(state));
+
+#endif /* _TRACE_HOOK_SELINUX_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/shmem_fs.h b/include/trace/hooks/shmem_fs.h
new file mode 100644
index 0000000..08e6303
--- /dev/null
+++ b/include/trace/hooks/shmem_fs.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM shmem_fs
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SHMEM_FS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SHMEM_FS_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct page;
+DECLARE_HOOK(android_vh_shmem_alloc_page,
+ TP_PROTO(struct page **page),
+ TP_ARGS(page));
+#endif /* _TRACE_HOOK_SHMEM_FS_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/signal.h b/include/trace/hooks/signal.h
new file mode 100644
index 0000000..a0db2e8
--- /dev/null
+++ b/include/trace/hooks/signal.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM signal
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SIGNAL_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SIGNAL_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct task_struct;
+DECLARE_HOOK(android_vh_do_send_sig_info,
+ TP_PROTO(int sig, struct task_struct *killer, struct task_struct *dst),
+ TP_ARGS(sig, killer, dst));
+DECLARE_HOOK(android_vh_process_killed,
+ TP_PROTO(struct task_struct *task, bool *reap),
+ TP_ARGS(task, reap));
+#endif /* _TRACE_HOOK_SIGNAL_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/snd_compr.h b/include/trace/hooks/snd_compr.h
new file mode 100644
index 0000000..c42ed8d
--- /dev/null
+++ b/include/trace/hooks/snd_compr.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM snd_compr
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SND_COMPR_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SND_COMPR_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+DECLARE_HOOK(android_vh_snd_compr_use_pause_in_drain,
+ TP_PROTO(bool *use_pause_in_drain, bool *leave_draining),
+ TP_ARGS(use_pause_in_drain, leave_draining));
+
+#endif /* _TRACE_HOOK_SND_COMPR_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/softlockup.h b/include/trace/hooks/softlockup.h
new file mode 100644
index 0000000..9294913
--- /dev/null
+++ b/include/trace/hooks/softlockup.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM softlockup
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SOFTLOCKUP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SOFTLOCKUP_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct pt_regs;
+DECLARE_HOOK(android_vh_watchdog_timer_softlockup,
+ TP_PROTO(int duration, struct pt_regs *regs, bool is_panic),
+ TP_ARGS(duration, regs, is_panic));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_SOFTLOCKUP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/sound.h b/include/trace/hooks/sound.h
new file mode 100644
index 0000000..6eb8bc3
--- /dev/null
+++ b/include/trace/hooks/sound.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sound
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SOUND_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SOUND_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/usb.h>
+
+DECLARE_HOOK(android_vh_sound_usb_support_cpu_suspend,
+ TP_PROTO(struct usb_device *udev,
+ int direction,
+ bool *is_support),
+ TP_ARGS(udev, direction, is_support));
+
+DECLARE_HOOK(android_vh_snd_soc_card_get_comp_chain,
+ TP_PROTO(bool *component_chaining),
+ TP_ARGS(component_chaining));
+
+#endif /* _TRACE_HOOK_SOUND_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/sys.h b/include/trace/hooks/sys.h
new file mode 100644
index 0000000..9e5d7a5
--- /dev/null
+++ b/include/trace/hooks/sys.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sys
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SYS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SYS_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct task_struct;
+DECLARE_HOOK(android_vh_syscall_prctl_finished,
+ TP_PROTO(int option, struct task_struct *task),
+ TP_ARGS(option, task));
+#endif
+
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/syscall_check.h b/include/trace/hooks/syscall_check.h
new file mode 100644
index 0000000..d39802a
--- /dev/null
+++ b/include/trace/hooks/syscall_check.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM syscall_check
+
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_SYSCALL_CHECK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SYSCALL_CHECK_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct file;
+union bpf_attr;
+DECLARE_HOOK(android_vh_check_mmap_file,
+ TP_PROTO(const struct file *file, unsigned long prot,
+ unsigned long flag, unsigned long ret),
+ TP_ARGS(file, prot, flag, ret));
+
+DECLARE_HOOK(android_vh_check_file_open,
+ TP_PROTO(const struct file *file),
+ TP_ARGS(file));
+
+DECLARE_HOOK(android_vh_check_bpf_syscall,
+ TP_PROTO(int cmd, const union bpf_attr *attr, unsigned int size),
+ TP_ARGS(cmd, attr, size));
+
+#endif /* _TRACE_HOOK_SYSCALL_CHECK_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/sysrqcrash.h b/include/trace/hooks/sysrqcrash.h
new file mode 100644
index 0000000..d163f89
--- /dev/null
+++ b/include/trace/hooks/sysrqcrash.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM sysrqcrash
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_SYSRQCRASH_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_SYSRQCRASH_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_sysrq_crash,
+ TP_PROTO(void *data),
+ TP_ARGS(data));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_SYSRQCRASH_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/thermal.h b/include/trace/hooks/thermal.h
new file mode 100644
index 0000000..944454c
--- /dev/null
+++ b/include/trace/hooks/thermal.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM thermal
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_THERMAL_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_THERMAL_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_enable_thermal_genl_check,
+ TP_PROTO(int event, int tz_id, int *enable_thermal_genl),
+ TP_ARGS(event, tz_id, enable_thermal_genl));
+
+struct thermal_zone_device;
+DECLARE_HOOK(android_vh_thermal_pm_notify_suspend,
+ TP_PROTO(struct thermal_zone_device *tz, int *irq_wakeable),
+ TP_ARGS(tz, irq_wakeable));
+
+#endif /* _TRACE_HOOK_THERMAL_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/timer.h b/include/trace/hooks/timer.h
new file mode 100644
index 0000000..174d958
--- /dev/null
+++ b/include/trace/hooks/timer.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM timer
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_TIMER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TIMER_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_timer_calc_index,
+ TP_PROTO(unsigned int lvl, unsigned long *expires),
+ TP_ARGS(lvl, expires));
+
+#endif /* _TRACE_HOOK_TIMER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/topology.h b/include/trace/hooks/topology.h
new file mode 100644
index 0000000..7401402
--- /dev/null
+++ b/include/trace/hooks/topology.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM topology
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_TOPOLOGY_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TOPOLOGY_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+#include <linux/cpumask.h>
+
+DECLARE_HOOK(android_vh_arch_set_freq_scale,
+ TP_PROTO(const struct cpumask *cpus, unsigned long freq,
+ unsigned long max, unsigned long *scale),
+ TP_ARGS(cpus, freq, max, scale));
+
+DECLARE_HOOK(android_vh_update_topology_flags_workfn,
+ TP_PROTO(void *unused),
+ TP_ARGS(unused));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_TOPOLOGY_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/traps.h b/include/trace/hooks/traps.h
new file mode 100644
index 0000000..f8d56a2
--- /dev/null
+++ b/include/trace/hooks/traps.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM traps
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_TRAPS_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TRAPS_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct pt_regs;
+DECLARE_RESTRICTED_HOOK(android_rvh_do_undefinstr,
+ TP_PROTO(struct pt_regs *regs, bool user),
+ TP_ARGS(regs, user),
+ TP_CONDITION(!user));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_bti,
+ TP_PROTO(struct pt_regs *regs, bool user),
+ TP_ARGS(regs, user),
+ TP_CONDITION(!user));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_do_ptrauth_fault,
+ TP_PROTO(struct pt_regs *regs, unsigned int esr, bool user),
+ TP_ARGS(regs, esr, user),
+ TP_CONDITION(!user));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_bad_mode,
+ TP_PROTO(struct pt_regs *regs, unsigned int esr, int reason),
+ TP_ARGS(regs, reason, esr), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_arm64_serror_panic,
+ TP_PROTO(struct pt_regs *regs, unsigned int esr),
+ TP_ARGS(regs, esr), 1);
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_TRAPS_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/typec.h b/include/trace/hooks/typec.h
new file mode 100644
index 0000000..f871511
--- /dev/null
+++ b/include/trace/hooks/typec.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM typec
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_TYPEC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_TYPEC_H
+#include <linux/tracepoint.h>
+#include <linux/usb/pd.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct tcpci;
+struct tcpci_data;
+struct tcpm_port;
+
+#ifndef TYPEC_TIMER
+#define TYPEC_TIMER
+enum typec_timer {
+ SINK_WAIT_CAP,
+ SOURCE_OFF,
+ CC_DEBOUNCE,
+ SINK_DISCOVERY_BC12,
+};
+#endif
+
+DECLARE_HOOK(android_vh_typec_tcpci_override_toggling,
+ TP_PROTO(struct tcpci *tcpci, struct tcpci_data *data, int *override_toggling),
+ TP_ARGS(tcpci, data, override_toggling));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_typec_tcpci_chk_contaminant,
+ TP_PROTO(struct tcpci *tcpci, struct tcpci_data *data, int *ret),
+ TP_ARGS(tcpci, data, ret), 1);
+
+/*
+ * This hook is for addressing hardware anomalies where TCPC_POWER_STATUS_VBUS_PRES bit can return 0
+ * even before falling below sSinkDisconnect threshold.
+ * Handler has to set bypass to override the value that would otherwise be returned by this
+ * function.
+ * Handler can set vbus or clear vbus to indicate vbus present or absent
+ */
+DECLARE_RESTRICTED_HOOK(android_rvh_typec_tcpci_get_vbus,
+ TP_PROTO(struct tcpci *tcpci, struct tcpci_data *data, int *vbus, int *bypass),
+ TP_ARGS(tcpci, data, vbus, bypass), 1);
+
+DECLARE_HOOK(android_vh_typec_tcpm_get_timer,
+ TP_PROTO(const char *state, enum typec_timer timer, unsigned int *msecs),
+ TP_ARGS(state, timer, msecs));
+
+DECLARE_HOOK(android_vh_typec_store_partner_src_caps,
+ TP_PROTO(struct tcpm_port *port, unsigned int *nr_source_caps,
+ u32 (*source_caps)[PDO_MAX_OBJECTS]),
+ TP_ARGS(port, nr_source_caps, source_caps));
+
+DECLARE_HOOK(android_vh_typec_tcpm_adj_current_limit,
+ TP_PROTO(const char *state, u32 port_current_limit, u32 port_voltage, bool pd_capable,
+ u32 *current_limit, bool *adjust),
+ TP_ARGS(state, port_current_limit, port_voltage, pd_capable, current_limit, adjust));
+
+DECLARE_HOOK(android_vh_typec_tcpm_log,
+ TP_PROTO(const char *log, bool *bypass),
+ TP_ARGS(log, bypass));
+
+#endif /* _TRACE_HOOK_UFSHCD_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/ufshcd.h b/include/trace/hooks/ufshcd.h
new file mode 100644
index 0000000..744a1db
--- /dev/null
+++ b/include/trace/hooks/ufshcd.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ufshcd
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_UFSHCD_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_UFSHCD_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct ufs_hba;
+struct request;
+struct ufshcd_lrb;
+
+DECLARE_HOOK(android_vh_ufs_fill_prdt,
+ TP_PROTO(struct ufs_hba *hba, struct ufshcd_lrb *lrbp,
+ unsigned int segments, int *err),
+ TP_ARGS(hba, lrbp, segments, err));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_ufs_complete_init,
+ TP_PROTO(struct ufs_hba *hba),
+ TP_ARGS(hba), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_ufs_reprogram_all_keys,
+ TP_PROTO(struct ufs_hba *hba, int *err),
+ TP_ARGS(hba, err), 1);
+
+DECLARE_HOOK(android_vh_ufs_prepare_command,
+ TP_PROTO(struct ufs_hba *hba, struct request *rq,
+ struct ufshcd_lrb *lrbp, int *err),
+ TP_ARGS(hba, rq, lrbp, err));
+
+DECLARE_HOOK(android_vh_ufs_update_sysfs,
+ TP_PROTO(struct ufs_hba *hba),
+ TP_ARGS(hba));
+
+DECLARE_HOOK(android_vh_ufs_send_command,
+ TP_PROTO(struct ufs_hba *hba, struct ufshcd_lrb *lrbp),
+ TP_ARGS(hba, lrbp));
+
+DECLARE_HOOK(android_vh_ufs_compl_command,
+ TP_PROTO(struct ufs_hba *hba, struct ufshcd_lrb *lrbp),
+ TP_ARGS(hba, lrbp));
+
+struct uic_command;
+DECLARE_HOOK(android_vh_ufs_send_uic_command,
+ TP_PROTO(struct ufs_hba *hba, struct uic_command *ucmd,
+ const char *str),
+ TP_ARGS(hba, ucmd, str));
+
+DECLARE_HOOK(android_vh_ufs_send_tm_command,
+ TP_PROTO(struct ufs_hba *hba, int tag, const char *str),
+ TP_ARGS(hba, tag, str));
+
+DECLARE_HOOK(android_vh_ufs_check_int_errors,
+ TP_PROTO(struct ufs_hba *hba, bool queue_eh_work),
+ TP_ARGS(hba, queue_eh_work));
+
+struct scsi_device;
+DECLARE_HOOK(android_vh_ufs_update_sdev,
+ TP_PROTO(struct scsi_device *sdev),
+ TP_ARGS(sdev));
+
+DECLARE_HOOK(android_vh_ufs_clock_scaling,
+ TP_PROTO(struct ufs_hba *hba, bool *force_out, bool *force_scaling, bool *scale_up),
+ TP_ARGS(hba, force_out, force_scaling, scale_up));
+#endif /* _TRACE_HOOK_UFSHCD_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/usb.h b/include/trace/hooks/usb.h
new file mode 100644
index 0000000..f845947
--- /dev/null
+++ b/include/trace/hooks/usb.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM usb
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_USB_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_USB_H
+#include <linux/tracepoint.h>
+#include <linux/usb.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+
+DECLARE_HOOK(android_vh_usb_dev_suspend,
+ TP_PROTO(struct usb_device *udev, pm_message_t msg, int *bypass),
+ TP_ARGS(udev, msg, bypass));
+
+DECLARE_HOOK(android_vh_usb_dev_resume,
+ TP_PROTO(struct usb_device *udev, pm_message_t msg, int *bypass),
+ TP_ARGS(udev, msg, bypass));
+
+#endif /* _TRACE_HOOK_USB_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/user.h b/include/trace/hooks/user.h
new file mode 100644
index 0000000..b5b507c
--- /dev/null
+++ b/include/trace/hooks/user.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM user
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH trace/hooks
+#if !defined(_TRACE_HOOK_USER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_USER_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct user_struct;
+DECLARE_HOOK(android_vh_alloc_uid,
+ TP_PROTO(struct user_struct *user),
+ TP_ARGS(user));
+
+DECLARE_HOOK(android_vh_free_user,
+ TP_PROTO(struct user_struct *up),
+ TP_ARGS(up));
+
+#endif /* _TRACE_HOOK_USER_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/v4l2core.h b/include/trace/hooks/v4l2core.h
new file mode 100644
index 0000000..7207810
--- /dev/null
+++ b/include/trace/hooks/v4l2core.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM v4l2core
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_V4L2CORE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_V4L2CORE_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct v4l2_format;
+DECLARE_HOOK(android_vh_clear_reserved_fmt_fields,
+ TP_PROTO(struct v4l2_format *fmt, int *ret),
+ TP_ARGS(fmt, ret));
+
+struct v4l2_fmtdesc;
+DECLARE_HOOK(android_vh_fill_ext_fmtdesc,
+ TP_PROTO(struct v4l2_fmtdesc *fmtd, const char **descr),
+ TP_ARGS(fmtd, descr));
+
+DECLARE_HOOK(android_vh_clear_mask_adjust,
+ TP_PROTO(unsigned int ctrl, int *n),
+ TP_ARGS(ctrl, n));
+
+struct v4l2_subdev;
+struct v4l2_subdev_pad_config;
+struct v4l2_subdev_selection;
+DECLARE_HOOK(android_vh_v4l2subdev_set_selection,
+ TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *pad,
+ struct v4l2_subdev_selection *sel, int *ret),
+ TP_ARGS(sd, pad, sel, ret));
+
+struct v4l2_subdev_format;
+DECLARE_HOOK(android_vh_v4l2subdev_set_fmt,
+ TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *pad,
+ struct v4l2_subdev_format *format, int *ret),
+ TP_ARGS(sd, pad, format, ret));
+
+struct v4l2_subdev_frame_interval;
+DECLARE_HOOK(android_vh_v4l2subdev_set_frame_interval,
+ TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *fi,
+ int *ret),
+ TP_ARGS(sd, fi, ret));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_v4l2subdev_set_selection,
+ TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *pad,
+ struct v4l2_subdev_selection *sel, int *ret),
+ TP_ARGS(sd, pad, sel, ret), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_v4l2subdev_set_fmt,
+ TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *pad,
+ struct v4l2_subdev_format *format, int *ret),
+ TP_ARGS(sd, pad, format, ret), 1);
+
+DECLARE_RESTRICTED_HOOK(android_rvh_v4l2subdev_set_frame_interval,
+ TP_PROTO(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *fi,
+ int *ret),
+ TP_ARGS(sd, fi, ret), 1);
+
+#endif /* _TRACE_HOOK_V4L2CORE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/v4l2mc.h b/include/trace/hooks/v4l2mc.h
new file mode 100644
index 0000000..0f60515
--- /dev/null
+++ b/include/trace/hooks/v4l2mc.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM v4l2mc
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_V4L2MC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_V4L2MC_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+struct media_link;
+struct media_link_desc;
+DECLARE_HOOK(android_vh_media_device_setup_link,
+ TP_PROTO(struct media_link *link, struct media_link_desc *linkd, int *ret),
+ TP_ARGS(link, linkd, ret));
+
+DECLARE_RESTRICTED_HOOK(android_rvh_media_device_setup_link,
+ TP_PROTO(struct media_link *link,
+ struct media_link_desc *linkd, int *ret),
+ TP_ARGS(link, linkd, ret), 1);
+
+#endif /* _TRACE_HOOK_V4L2MC_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
diff --git a/include/trace/hooks/vendor_hooks.h b/include/trace/hooks/vendor_hooks.h
new file mode 100644
index 0000000..87fe9cc
--- /dev/null
+++ b/include/trace/hooks/vendor_hooks.h
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * Note: we intentionally omit include file ifdef protection
+ * This is due to the way trace events work. If a file includes two
+ * trace event headers under one "CREATE_TRACE_POINTS" the first include
+ * will override the DECLARE_RESTRICTED_HOOK and break the second include.
+ */
+
+#include <linux/tracepoint.h>
+
+#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS)
+
+#define DECLARE_HOOK DECLARE_TRACE
+
+int android_rvh_probe_register(struct tracepoint *tp, void *probe, void *data);
+
+#ifdef TRACE_HEADER_MULTI_READ
+
+#define DEFINE_HOOK_FN(_name, _reg, _unreg, proto, args) \
+ static const char __tpstrtab_##_name[] \
+ __section("__tracepoints_strings") = #_name; \
+ extern struct static_call_key STATIC_CALL_KEY(tp_func_##_name); \
+ int __traceiter_##_name(void *__data, proto); \
+ struct tracepoint __tracepoint_##_name __used \
+ __section("__tracepoints") = { \
+ .name = __tpstrtab_##_name, \
+ .key = STATIC_KEY_INIT_FALSE, \
+ .static_call_key = &STATIC_CALL_KEY(tp_func_##_name), \
+ .static_call_tramp = STATIC_CALL_TRAMP_ADDR(tp_func_##_name), \
+ .iterator = &__traceiter_##_name, \
+ .regfunc = _reg, \
+ .unregfunc = _unreg, \
+ .funcs = NULL }; \
+ __TRACEPOINT_ENTRY(_name); \
+ int __nocfi __traceiter_##_name(void *__data, proto) \
+ { \
+ struct tracepoint_func *it_func_ptr; \
+ void *it_func; \
+ \
+ it_func_ptr = (&__tracepoint_##_name)->funcs; \
+ it_func = (it_func_ptr)->func; \
+ do { \
+ __data = (it_func_ptr)->data; \
+ ((void(*)(void *, proto))(it_func))(__data, args); \
+ it_func = READ_ONCE((++it_func_ptr)->func); \
+ } while (it_func); \
+ return 0; \
+ } \
+ DEFINE_STATIC_CALL(tp_func_##_name, __traceiter_##_name);
+
+#undef DECLARE_RESTRICTED_HOOK
+#define DECLARE_RESTRICTED_HOOK(name, proto, args, cond) \
+ DEFINE_HOOK_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args))
+
+/* prevent additional recursion */
+#undef TRACE_HEADER_MULTI_READ
+#else /* TRACE_HEADER_MULTI_READ */
+
+#define DO_HOOK(name, proto, args, cond) \
+ do { \
+ struct tracepoint_func *it_func_ptr; \
+ void *__data; \
+ \
+ if (!(cond)) \
+ return; \
+ \
+ it_func_ptr = (&__tracepoint_##name)->funcs; \
+ if (it_func_ptr) { \
+ __data = (it_func_ptr)->data; \
+ __DO_TRACE_CALL(name)(args); \
+ } \
+ } while (0)
+
+#define __DECLARE_HOOK(name, proto, args, cond, data_proto, data_args) \
+ extern int __traceiter_##name(data_proto); \
+ DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name); \
+ extern struct tracepoint __tracepoint_##name; \
+ static inline void __nocfi trace_##name(proto) \
+ { \
+ if (static_key_false(&__tracepoint_##name.key)) \
+ DO_HOOK(name, \
+ TP_PROTO(data_proto), \
+ TP_ARGS(data_args), \
+ TP_CONDITION(cond)); \
+ } \
+ static inline bool \
+ trace_##name##_enabled(void) \
+ { \
+ return static_key_false(&__tracepoint_##name.key); \
+ } \
+ static inline int \
+ register_trace_##name(void (*probe)(data_proto), void *data) \
+ { \
+ return android_rvh_probe_register(&__tracepoint_##name, \
+ (void *)probe, data); \
+ } \
+ /* vendor hooks cannot be unregistered */ \
+
+#undef DECLARE_RESTRICTED_HOOK
+#define DECLARE_RESTRICTED_HOOK(name, proto, args, cond) \
+ __DECLARE_HOOK(name, PARAMS(proto), PARAMS(args), \
+ cond, \
+ PARAMS(void *__data, proto), \
+ PARAMS(__data, args))
+
+#endif /* TRACE_HEADER_MULTI_READ */
+
+#else /* !CONFIG_TRACEPOINTS || !CONFIG_ANDROID_VENDOR_HOOKS */
+/* suppress trace hooks */
+#define DECLARE_HOOK DECLARE_EVENT_NOP
+#define DECLARE_RESTRICTED_HOOK(name, proto, args, cond) \
+ DECLARE_EVENT_NOP(name, PARAMS(proto), PARAMS(args))
+#endif
diff --git a/include/trace/hooks/vmscan.h b/include/trace/hooks/vmscan.h
new file mode 100644
index 0000000..b6b77d9
--- /dev/null
+++ b/include/trace/hooks/vmscan.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM vmscan
+
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_VMSCAN_H
+
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+
+DECLARE_HOOK(android_vh_tune_scan_type,
+ TP_PROTO(char *scan_type),
+ TP_ARGS(scan_type));
+DECLARE_HOOK(android_vh_tune_swappiness,
+ TP_PROTO(int *swappiness),
+ TP_ARGS(swappiness));
+DECLARE_HOOK(android_vh_shrink_slab_bypass,
+ TP_PROTO(gfp_t gfp_mask, int nid, struct mem_cgroup *memcg, int priority, bool *bypass),
+ TP_ARGS(gfp_mask, nid, memcg, priority, bypass));
+DECLARE_HOOK(android_vh_tune_inactive_ratio,
+ TP_PROTO(unsigned long *inactive_ratio, int file),
+ TP_ARGS(inactive_ratio, file))
+DECLARE_HOOK(android_vh_do_shrink_slab,
+ TP_PROTO(struct shrinker *shrinker, struct shrink_control *shrinkctl, int priority),
+ TP_ARGS(shrinker, shrinkctl, priority));
+DECLARE_RESTRICTED_HOOK(android_rvh_set_balance_anon_file_reclaim,
+ TP_PROTO(bool *balance_anon_file_reclaim),
+ TP_ARGS(balance_anon_file_reclaim), 1);
+#endif /* _TRACE_HOOK_VMSCAN_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/workqueue.h b/include/trace/hooks/workqueue.h
new file mode 100644
index 0000000..0ffe564
--- /dev/null
+++ b/include/trace/hooks/workqueue.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM workqueue
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_WORKQUEUE_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+struct worker;
+DECLARE_HOOK(android_vh_create_worker,
+ TP_PROTO(struct worker *worker, struct workqueue_attrs *attrs),
+ TP_ARGS(worker, attrs));
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_WORKQUEUE_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/hooks/wqlockup.h b/include/trace/hooks/wqlockup.h
new file mode 100644
index 0000000..21e23ad
--- /dev/null
+++ b/include/trace/hooks/wqlockup.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM wqlockup
+#define TRACE_INCLUDE_PATH trace/hooks
+
+#if !defined(_TRACE_HOOK_WQLOCKUP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HOOK_WQLOCKUP_H
+#include <linux/tracepoint.h>
+#include <trace/hooks/vendor_hooks.h>
+/*
+ * Following tracepoints are not exported in tracefs and provide a
+ * mechanism for vendor modules to hook and extend functionality
+ */
+DECLARE_HOOK(android_vh_wq_lockup_pool,
+ TP_PROTO(int cpu, unsigned long pool_ts),
+ TP_ARGS(cpu, pool_ts));
+
+/* macro versions of hooks are no longer required */
+
+#endif /* _TRACE_HOOK_WQLOCKUP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/uapi/asm-generic/signal-defs.h b/include/uapi/asm-generic/signal-defs.h
index e9304c9..fe929e7 100644
--- a/include/uapi/asm-generic/signal-defs.h
+++ b/include/uapi/asm-generic/signal-defs.h
@@ -4,6 +4,69 @@
#include <linux/compiler.h>
+/*
+ * SA_FLAGS values:
+ *
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_SIGINFO delivers the signal with SIGINFO structs.
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_UNSUPPORTED is a flag bit that will never be supported. Kernels from
+ * before the introduction of SA_UNSUPPORTED did not clear unknown bits from
+ * sa_flags when read using the oldact argument to sigaction and rt_sigaction,
+ * so this bit allows flag bit support to be detected from userspace while
+ * allowing an old kernel to be distinguished from a kernel that supports every
+ * flag bit.
+ * SA_EXPOSE_TAGBITS exposes an architecture-defined set of tag bits in
+ * siginfo.si_addr.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#ifndef SA_NOCLDSTOP
+#define SA_NOCLDSTOP 0x00000001
+#endif
+#ifndef SA_NOCLDWAIT
+#define SA_NOCLDWAIT 0x00000002
+#endif
+#ifndef SA_SIGINFO
+#define SA_SIGINFO 0x00000004
+#endif
+/* 0x00000008 used on alpha, mips, parisc */
+/* 0x00000010 used on alpha, parisc */
+/* 0x00000020 used on alpha, parisc, sparc */
+/* 0x00000040 used on alpha, parisc */
+/* 0x00000080 used on parisc */
+/* 0x00000100 used on sparc */
+/* 0x00000200 used on sparc */
+#define SA_UNSUPPORTED 0x00000400
+#define SA_EXPOSE_TAGBITS 0x00000800
+/* 0x00010000 used on mips */
+/* 0x01000000 used on x86 */
+/* 0x02000000 used on x86 */
+/*
+ * New architectures should not define the obsolete
+ * SA_RESTORER 0x04000000
+ */
+#ifndef SA_ONSTACK
+#define SA_ONSTACK 0x08000000
+#endif
+#ifndef SA_RESTART
+#define SA_RESTART 0x10000000
+#endif
+#ifndef SA_NODEFER
+#define SA_NODEFER 0x40000000
+#endif
+#ifndef SA_RESETHAND
+#define SA_RESETHAND 0x80000000
+#endif
+
+#define SA_NOMASK SA_NODEFER
+#define SA_ONESHOT SA_RESETHAND
+
#ifndef SIG_BLOCK
#define SIG_BLOCK 0 /* for blocking signals */
#endif
diff --git a/include/uapi/asm-generic/signal.h b/include/uapi/asm-generic/signal.h
index 5c716a9..f634822 100644
--- a/include/uapi/asm-generic/signal.h
+++ b/include/uapi/asm-generic/signal.h
@@ -52,35 +52,6 @@
#define SIGRTMAX _NSIG
#endif
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP 0x00000001
-#define SA_NOCLDWAIT 0x00000002
-#define SA_SIGINFO 0x00000004
-#define SA_ONSTACK 0x08000000
-#define SA_RESTART 0x10000000
-#define SA_NODEFER 0x40000000
-#define SA_RESETHAND 0x80000000
-
-#define SA_NOMASK SA_NODEFER
-#define SA_ONESHOT SA_RESETHAND
-
-/*
- * New architectures should not define the obsolete
- * SA_RESTORER 0x04000000
- */
-
#if !defined MINSIGSTKSZ || !defined SIGSTKSZ
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
diff --git a/include/uapi/linux/android/binder.h b/include/uapi/linux/android/binder.h
index ec84ad1..2d3f015 100644
--- a/include/uapi/linux/android/binder.h
+++ b/include/uapi/linux/android/binder.h
@@ -38,11 +38,59 @@ enum {
BINDER_TYPE_PTR = B_PACK_CHARS('p', 't', '*', B_TYPE_LARGE),
};
-enum {
+/**
+ * enum flat_binder_object_shifts: shift values for flat_binder_object_flags
+ * @FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT: shift for getting scheduler policy.
+ *
+ */
+enum flat_binder_object_shifts {
+ FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT = 9,
+};
+
+/**
+ * enum flat_binder_object_flags - flags for use in flat_binder_object.flags
+ */
+enum flat_binder_object_flags {
+ /**
+ * @FLAT_BINDER_FLAG_PRIORITY_MASK: bit-mask for min scheduler priority
+ *
+ * These bits can be used to set the minimum scheduler priority
+ * at which transactions into this node should run. Valid values
+ * in these bits depend on the scheduler policy encoded in
+ * @FLAT_BINDER_FLAG_SCHED_POLICY_MASK.
+ *
+ * For SCHED_NORMAL/SCHED_BATCH, the valid range is between [-20..19]
+ * For SCHED_FIFO/SCHED_RR, the value can run between [1..99]
+ */
FLAT_BINDER_FLAG_PRIORITY_MASK = 0xff,
+ /**
+ * @FLAT_BINDER_FLAG_ACCEPTS_FDS: whether the node accepts fds.
+ */
FLAT_BINDER_FLAG_ACCEPTS_FDS = 0x100,
/**
+ * @FLAT_BINDER_FLAG_SCHED_POLICY_MASK: bit-mask for scheduling policy
+ *
+ * These two bits can be used to set the min scheduling policy at which
+ * transactions on this node should run. These match the UAPI
+ * scheduler policy values, eg:
+ * 00b: SCHED_NORMAL
+ * 01b: SCHED_FIFO
+ * 10b: SCHED_RR
+ * 11b: SCHED_BATCH
+ */
+ FLAT_BINDER_FLAG_SCHED_POLICY_MASK =
+ 3U << FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT,
+
+ /**
+ * @FLAT_BINDER_FLAG_INHERIT_RT: whether the node inherits RT policy
+ *
+ * Only when set, calls into this node will inherit a real-time
+ * scheduling policy from the caller (for synchronous transactions).
+ */
+ FLAT_BINDER_FLAG_INHERIT_RT = 0x800,
+
+ /**
* @FLAT_BINDER_FLAG_TXN_SECURITY_CTX: request security contexts
*
* Only when set, causes senders to include their security
@@ -217,6 +265,25 @@ struct binder_node_info_for_ref {
__u32 reserved3;
};
+struct binder_freeze_info {
+ __u32 pid;
+ __u32 enable;
+ __u32 timeout_ms;
+};
+
+struct binder_frozen_status_info {
+ __u32 pid;
+
+ /* process received sync transactions since last frozen
+ * bit 0: received sync transaction after being frozen
+ * bit 1: new pending sync transaction during freezing
+ */
+ __u32 sync_recv;
+
+ /* process received async transactions since last frozen */
+ __u32 async_recv;
+};
+
#define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read)
#define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, __s64)
#define BINDER_SET_MAX_THREADS _IOW('b', 5, __u32)
@@ -227,6 +294,9 @@ struct binder_node_info_for_ref {
#define BINDER_GET_NODE_DEBUG_INFO _IOWR('b', 11, struct binder_node_debug_info)
#define BINDER_GET_NODE_INFO_FOR_REF _IOWR('b', 12, struct binder_node_info_for_ref)
#define BINDER_SET_CONTEXT_MGR_EXT _IOW('b', 13, struct flat_binder_object)
+#define BINDER_FREEZE _IOW('b', 14, struct binder_freeze_info)
+#define BINDER_GET_FROZEN_INFO _IOWR('b', 15, struct binder_frozen_status_info)
+#define BINDER_ENABLE_ONEWAY_SPAM_DETECTION _IOW('b', 16, __u32)
/*
* NOTE: Two special error codes you should check for when calling
@@ -408,6 +478,19 @@ enum binder_driver_return_protocol {
* The last transaction (either a bcTRANSACTION or
* a bcATTEMPT_ACQUIRE) failed (e.g. out of memory). No parameters.
*/
+
+ BR_FROZEN_REPLY = _IO('r', 18),
+ /*
+ * The target of the last transaction (either a bcTRANSACTION or
+ * a bcATTEMPT_ACQUIRE) is frozen. No parameters.
+ */
+
+ BR_ONEWAY_SPAM_SUSPECT = _IO('r', 19),
+ /*
+ * Current process sent too many oneway calls to target, and the last
+ * asynchronous transaction makes the allocated async buffer size exceed
+ * detection threshold. No parameters.
+ */
};
enum binder_driver_command_protocol {
diff --git a/include/uapi/linux/capability.h b/include/uapi/linux/capability.h
index 2ddb422..741985d 100644
--- a/include/uapi/linux/capability.h
+++ b/include/uapi/linux/capability.h
@@ -288,8 +288,6 @@ struct vfs_ns_cap_data {
processes and setting the scheduling algorithm used by another
process. */
/* Allow setting cpu affinity on other processes */
-/* Allow setting realtime ioprio class */
-/* Allow setting ioprio class on other processes */
#define CAP_SYS_NICE 23
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h
index 4933b6b..fcff666 100644
--- a/include/uapi/linux/dm-ioctl.h
+++ b/include/uapi/linux/dm-ioctl.h
@@ -272,9 +272,9 @@ enum {
#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
#define DM_VERSION_MAJOR 4
-#define DM_VERSION_MINOR 43
+#define DM_VERSION_MINOR 44
#define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl (2020-10-01)"
+#define DM_VERSION_EXTRA "-ioctl (2021-02-01)"
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */
diff --git a/include/uapi/linux/dm-user.h b/include/uapi/linux/dm-user.h
new file mode 100644
index 0000000..6d8f535b
--- /dev/null
+++ b/include/uapi/linux/dm-user.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2020 Google, Inc
+ * Copyright (C) 2020 Palmer Dabbelt <palmerdabbelt@google.com>
+ */
+
+#ifndef _LINUX_DM_USER_H
+#define _LINUX_DM_USER_H
+
+#include <linux/types.h>
+
+/*
+ * dm-user proxies device mapper ops between the kernel and userspace. It's
+ * essentially just an RPC mechanism: all kernel calls create a request,
+ * userspace handles that with a response. Userspace obtains requests via
+ * read() and provides responses via write().
+ *
+ * See Documentation/block/dm-user.rst for more information.
+ */
+
+#define DM_USER_REQ_MAP_READ 0
+#define DM_USER_REQ_MAP_WRITE 1
+#define DM_USER_REQ_MAP_FLUSH 2
+#define DM_USER_REQ_MAP_DISCARD 3
+#define DM_USER_REQ_MAP_SECURE_ERASE 4
+#define DM_USER_REQ_MAP_WRITE_SAME 5
+#define DM_USER_REQ_MAP_WRITE_ZEROES 6
+#define DM_USER_REQ_MAP_ZONE_OPEN 7
+#define DM_USER_REQ_MAP_ZONE_CLOSE 8
+#define DM_USER_REQ_MAP_ZONE_FINISH 9
+#define DM_USER_REQ_MAP_ZONE_APPEND 10
+#define DM_USER_REQ_MAP_ZONE_RESET 11
+#define DM_USER_REQ_MAP_ZONE_RESET_ALL 12
+
+#define DM_USER_REQ_MAP_FLAG_FAILFAST_DEV 0x00001
+#define DM_USER_REQ_MAP_FLAG_FAILFAST_TRANSPORT 0x00002
+#define DM_USER_REQ_MAP_FLAG_FAILFAST_DRIVER 0x00004
+#define DM_USER_REQ_MAP_FLAG_SYNC 0x00008
+#define DM_USER_REQ_MAP_FLAG_META 0x00010
+#define DM_USER_REQ_MAP_FLAG_PRIO 0x00020
+#define DM_USER_REQ_MAP_FLAG_NOMERGE 0x00040
+#define DM_USER_REQ_MAP_FLAG_IDLE 0x00080
+#define DM_USER_REQ_MAP_FLAG_INTEGRITY 0x00100
+#define DM_USER_REQ_MAP_FLAG_FUA 0x00200
+#define DM_USER_REQ_MAP_FLAG_PREFLUSH 0x00400
+#define DM_USER_REQ_MAP_FLAG_RAHEAD 0x00800
+#define DM_USER_REQ_MAP_FLAG_BACKGROUND 0x01000
+#define DM_USER_REQ_MAP_FLAG_NOWAIT 0x02000
+#define DM_USER_REQ_MAP_FLAG_CGROUP_PUNT 0x04000
+#define DM_USER_REQ_MAP_FLAG_NOUNMAP 0x08000
+#define DM_USER_REQ_MAP_FLAG_HIPRI 0x10000
+#define DM_USER_REQ_MAP_FLAG_DRV 0x20000
+#define DM_USER_REQ_MAP_FLAG_SWAP 0x40000
+
+#define DM_USER_RESP_SUCCESS 0
+#define DM_USER_RESP_ERROR 1
+#define DM_USER_RESP_UNSUPPORTED 2
+
+struct dm_user_message {
+ __u64 seq;
+ __u64 type;
+ __u64 flags;
+ __u64 sector;
+ __u64 len;
+ __u8 buf[];
+};
+
+#endif
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index 30f68b4..61bf477 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -426,6 +426,7 @@ typedef struct elf64_shdr {
#define NT_ARM_PACA_KEYS 0x407 /* ARM pointer authentication address keys */
#define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication generic key */
#define NT_ARM_TAGGED_ADDR_CTRL 0x409 /* arm64 tagged address control (prctl()) */
+#define NT_ARM_PAC_ENABLED_KEYS 0x40a /* arm64 ptr auth enabled keys (prctl()) */
#define NT_ARC_V2 0x600 /* ARCv2 accumulator/extra registers */
#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note */
#define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers */
diff --git a/include/uapi/linux/f2fs.h b/include/uapi/linux/f2fs.h
index 28bcfe8..352a822 100644
--- a/include/uapi/linux/f2fs.h
+++ b/include/uapi/linux/f2fs.h
@@ -36,6 +36,12 @@
_IOR(F2FS_IOCTL_MAGIC, 19, __u64)
#define F2FS_IOC_SEC_TRIM_FILE _IOW(F2FS_IOCTL_MAGIC, 20, \
struct f2fs_sectrim_range)
+#define F2FS_IOC_GET_COMPRESS_OPTION _IOR(F2FS_IOCTL_MAGIC, 21, \
+ struct f2fs_comp_option)
+#define F2FS_IOC_SET_COMPRESS_OPTION _IOW(F2FS_IOCTL_MAGIC, 22, \
+ struct f2fs_comp_option)
+#define F2FS_IOC_DECOMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 23)
+#define F2FS_IOC_COMPRESS_FILE _IO(F2FS_IOCTL_MAGIC, 24)
/*
* should be same as XFS_IOC_GOINGDOWN.
@@ -84,4 +90,9 @@ struct f2fs_sectrim_range {
__u64 flags;
};
+struct f2fs_comp_option {
+ __u8 algorithm;
+ __u8 log_cluster_size;
+};
+
#endif /* _UAPI_LINUX_F2FS_H */
diff --git a/include/uapi/linux/fscrypt.h b/include/uapi/linux/fscrypt.h
index 9f4428b..fceafb5 100644
--- a/include/uapi/linux/fscrypt.h
+++ b/include/uapi/linux/fscrypt.h
@@ -124,7 +124,10 @@ struct fscrypt_add_key_arg {
struct fscrypt_key_specifier key_spec;
__u32 raw_size;
__u32 key_id;
- __u32 __reserved[8];
+ __u32 __reserved[7];
+ /* N.B.: "temporary" flag, not reserved upstream */
+#define __FSCRYPT_ADD_KEY_FLAG_HW_WRAPPED 0x00000001
+ __u32 __flags;
__u8 raw[];
};
diff --git a/include/uapi/linux/fsverity.h b/include/uapi/linux/fsverity.h
index da0daf6..15384e2 100644
--- a/include/uapi/linux/fsverity.h
+++ b/include/uapi/linux/fsverity.h
@@ -34,7 +34,70 @@ struct fsverity_digest {
__u8 digest[];
};
+/*
+ * Struct containing a file's Merkle tree properties. The fs-verity file digest
+ * is the hash of this struct. A userspace program needs this struct only if it
+ * needs to compute fs-verity file digests itself, e.g. in order to sign files.
+ * It isn't needed just to enable fs-verity on a file.
+ *
+ * Note: when computing the file digest, 'sig_size' and 'signature' must be left
+ * zero and empty, respectively. These fields are present only because some
+ * filesystems reuse this struct as part of their on-disk format.
+ */
+struct fsverity_descriptor {
+ __u8 version; /* must be 1 */
+ __u8 hash_algorithm; /* Merkle tree hash algorithm */
+ __u8 log_blocksize; /* log2 of size of data and tree blocks */
+ __u8 salt_size; /* size of salt in bytes; 0 if none */
+#ifdef __KERNEL__
+ __le32 sig_size;
+#else
+ __le32 __reserved_0x04; /* must be 0 */
+#endif
+ __le64 data_size; /* size of file the Merkle tree is built over */
+ __u8 root_hash[64]; /* Merkle tree root hash */
+ __u8 salt[32]; /* salt prepended to each hashed block */
+ __u8 __reserved[144]; /* must be 0's */
+#ifdef __KERNEL__
+ __u8 signature[];
+#endif
+};
+
+/*
+ * Format in which fs-verity file digests are signed in built-in signatures.
+ * This is the same as 'struct fsverity_digest', except here some magic bytes
+ * are prepended to provide some context about what is being signed in case the
+ * same key is used for non-fsverity purposes, and here the fields have fixed
+ * endianness.
+ *
+ * This struct is specific to the built-in signature verification support, which
+ * is optional. fs-verity users may also verify signatures in userspace, in
+ * which case userspace is responsible for deciding on what bytes are signed.
+ * This struct may still be used, but it doesn't have to be. For example,
+ * userspace could instead use a string like "sha256:$digest_as_hex_string".
+ */
+struct fsverity_formatted_digest {
+ char magic[8]; /* must be "FSVerity" */
+ __le16 digest_algorithm;
+ __le16 digest_size;
+ __u8 digest[];
+};
+
+#define FS_VERITY_METADATA_TYPE_MERKLE_TREE 1
+#define FS_VERITY_METADATA_TYPE_DESCRIPTOR 2
+#define FS_VERITY_METADATA_TYPE_SIGNATURE 3
+
+struct fsverity_read_metadata_arg {
+ __u64 metadata_type;
+ __u64 offset;
+ __u64 length;
+ __u64 buf_ptr;
+ __u64 __reserved;
+};
+
#define FS_IOC_ENABLE_VERITY _IOW('f', 133, struct fsverity_enable_arg)
#define FS_IOC_MEASURE_VERITY _IOWR('f', 134, struct fsverity_digest)
+#define FS_IOC_READ_VERITY_METADATA \
+ _IOWR('f', 135, struct fsverity_read_metadata_arg)
#endif /* _UAPI_LINUX_FSVERITY_H */
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index 7233502..bf3c62d 100644
--- a/include/uapi/linux/fuse.h
+++ b/include/uapi/linux/fuse.h
@@ -349,6 +349,7 @@ struct fuse_file_lock {
#define FUSE_EXPLICIT_INVAL_DATA (1 << 25)
#define FUSE_MAP_ALIGNMENT (1 << 26)
#define FUSE_SUBMOUNTS (1 << 27)
+#define FUSE_PASSTHROUGH (1 << 31)
/**
* CUSE INIT request/reply flags
@@ -479,6 +480,7 @@ enum fuse_opcode {
FUSE_COPY_FILE_RANGE = 47,
FUSE_SETUPMAPPING = 48,
FUSE_REMOVEMAPPING = 49,
+ FUSE_CANONICAL_PATH = 2016,
/* CUSE specific operations */
CUSE_INIT = 4096,
@@ -605,7 +607,7 @@ struct fuse_create_in {
struct fuse_open_out {
uint64_t fh;
uint32_t open_flags;
- uint32_t padding;
+ uint32_t passthrough_fh;
};
struct fuse_release_in {
@@ -883,7 +885,11 @@ struct fuse_notify_retrieve_in {
};
/* Device ioctls: */
-#define FUSE_DEV_IOC_CLONE _IOR(229, 0, uint32_t)
+#define FUSE_DEV_IOC_MAGIC 229
+#define FUSE_DEV_IOC_CLONE _IOR(FUSE_DEV_IOC_MAGIC, 0, uint32_t)
+/* 127 is reserved for the V1 interface implementation in Android (deprecated) */
+/* 126 is reserved for the V2 interface implementation in Android */
+#define FUSE_DEV_IOC_PASSTHROUGH_OPEN _IOW(FUSE_DEV_IOC_MAGIC, 126, __u32)
struct fuse_lseek_in {
uint64_t fh;
diff --git a/include/uapi/linux/incrementalfs.h b/include/uapi/linux/incrementalfs.h
new file mode 100644
index 0000000..f8338af
--- /dev/null
+++ b/include/uapi/linux/incrementalfs.h
@@ -0,0 +1,590 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Userspace interface for Incremental FS.
+ *
+ * Incremental FS is special-purpose Linux virtual file system that allows
+ * execution of a program while its binary and resource files are still being
+ * lazily downloaded over the network, USB etc.
+ *
+ * Copyright 2019 Google LLC
+ */
+#ifndef _UAPI_LINUX_INCREMENTALFS_H
+#define _UAPI_LINUX_INCREMENTALFS_H
+
+#include <linux/limits.h>
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include <linux/xattr.h>
+
+/* ===== constants ===== */
+#define INCFS_NAME "incremental-fs"
+
+/*
+ * Magic number used in file header and in memory superblock
+ * Note that it is a 5 byte unsigned long. Thus on 32 bit kernels, it is
+ * truncated to a 4 byte number
+ */
+#define INCFS_MAGIC_NUMBER (0x5346434e49ul & ULONG_MAX)
+
+#define INCFS_DATA_FILE_BLOCK_SIZE 4096
+#define INCFS_HEADER_VER 1
+
+/* TODO: This value is assumed in incfs_copy_signature_info_from_user to be the
+ * actual signature length. Set back to 64 when fixed.
+ */
+#define INCFS_MAX_HASH_SIZE 32
+#define INCFS_MAX_FILE_ATTR_SIZE 512
+
+#define INCFS_INDEX_NAME ".index"
+#define INCFS_INCOMPLETE_NAME ".incomplete"
+#define INCFS_PENDING_READS_FILENAME ".pending_reads"
+#define INCFS_LOG_FILENAME ".log"
+#define INCFS_BLOCKS_WRITTEN_FILENAME ".blocks_written"
+#define INCFS_XATTR_ID_NAME (XATTR_USER_PREFIX "incfs.id")
+#define INCFS_XATTR_SIZE_NAME (XATTR_USER_PREFIX "incfs.size")
+#define INCFS_XATTR_METADATA_NAME (XATTR_USER_PREFIX "incfs.metadata")
+#define INCFS_XATTR_VERITY_NAME (XATTR_USER_PREFIX "incfs.verity")
+
+#define INCFS_MAX_SIGNATURE_SIZE 8096
+#define INCFS_SIGNATURE_VERSION 2
+#define INCFS_SIGNATURE_SECTIONS 2
+
+#define INCFS_IOCTL_BASE_CODE 'g'
+
+/* ===== ioctl requests on the command dir ===== */
+
+/*
+ * Create a new file
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_CREATE_FILE \
+ _IOWR(INCFS_IOCTL_BASE_CODE, 30, struct incfs_new_file_args)
+
+/* Read file signature */
+#define INCFS_IOC_READ_FILE_SIGNATURE \
+ _IOR(INCFS_IOCTL_BASE_CODE, 31, struct incfs_get_file_sig_args)
+
+/*
+ * Fill in one or more data block. This may only be called on a handle
+ * passed as a parameter to INCFS_IOC_PERMIT_FILLING
+ *
+ * Returns number of blocks filled in, or error if none were
+ */
+#define INCFS_IOC_FILL_BLOCKS \
+ _IOR(INCFS_IOCTL_BASE_CODE, 32, struct incfs_fill_blocks)
+
+/*
+ * Permit INCFS_IOC_FILL_BLOCKS on the given file descriptor
+ * May only be called on .pending_reads file
+ *
+ * Returns 0 on success or error
+ */
+#define INCFS_IOC_PERMIT_FILL \
+ _IOW(INCFS_IOCTL_BASE_CODE, 33, struct incfs_permit_fill)
+
+/*
+ * Fills buffer with ranges of populated blocks
+ *
+ * Returns 0 if all ranges written
+ * error otherwise
+ *
+ * Either way, range_buffer_size_out is set to the number
+ * of bytes written. Should be set to 0 by caller. The ranges
+ * filled are valid, but if an error was returned there might
+ * be more ranges to come.
+ *
+ * Ranges are ranges of filled blocks:
+ *
+ * 1 2 7 9
+ *
+ * means blocks 1, 2, 7, 8, 9 are filled, 0, 3, 4, 5, 6 and 10 on
+ * are not
+ *
+ * If hashing is enabled for the file, the hash blocks are simply
+ * treated as though they immediately followed the data blocks.
+ */
+#define INCFS_IOC_GET_FILLED_BLOCKS \
+ _IOR(INCFS_IOCTL_BASE_CODE, 34, struct incfs_get_filled_blocks_args)
+
+/*
+ * Creates a new mapped file
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_CREATE_MAPPED_FILE \
+ _IOWR(INCFS_IOCTL_BASE_CODE, 35, struct incfs_create_mapped_file_args)
+
+/*
+ * Get number of blocks, total and filled
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_GET_BLOCK_COUNT \
+ _IOR(INCFS_IOCTL_BASE_CODE, 36, struct incfs_get_block_count_args)
+
+/*
+ * Get per UID read timeouts
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_GET_READ_TIMEOUTS \
+ _IOR(INCFS_IOCTL_BASE_CODE, 37, struct incfs_get_read_timeouts_args)
+
+/*
+ * Set per UID read timeouts
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_SET_READ_TIMEOUTS \
+ _IOW(INCFS_IOCTL_BASE_CODE, 38, struct incfs_set_read_timeouts_args)
+
+/*
+ * Get last read error
+ * May only be called on .pending_reads file
+ */
+#define INCFS_IOC_GET_LAST_READ_ERROR \
+ _IOW(INCFS_IOCTL_BASE_CODE, 39, struct incfs_get_last_read_error_args)
+
+/* ===== sysfs feature flags ===== */
+/*
+ * Each flag is represented by a file in /sys/fs/incremental-fs/features
+ * If the file exists the feature is supported
+ * Also the file contents will be the line "supported"
+ */
+
+/*
+ * Basic flag stating that the core incfs file system is available
+ */
+#define INCFS_FEATURE_FLAG_COREFS "corefs"
+
+/*
+ * zstd compression support
+ */
+#define INCFS_FEATURE_FLAG_ZSTD "zstd"
+
+/*
+ * v2 feature set support. Covers:
+ * INCFS_IOC_CREATE_MAPPED_FILE
+ * INCFS_IOC_GET_BLOCK_COUNT
+ * INCFS_IOC_GET_READ_TIMEOUTS/INCFS_IOC_SET_READ_TIMEOUTS
+ * .blocks_written status file
+ * .incomplete folder
+ * report_uid mount option
+ */
+#define INCFS_FEATURE_FLAG_V2 "v2"
+
+enum incfs_compression_alg {
+ COMPRESSION_NONE = 0,
+ COMPRESSION_LZ4 = 1,
+ COMPRESSION_ZSTD = 2,
+};
+
+enum incfs_block_flags {
+ INCFS_BLOCK_FLAGS_NONE = 0,
+ INCFS_BLOCK_FLAGS_HASH = 1,
+};
+
+typedef struct {
+ __u8 bytes[16];
+} incfs_uuid_t __attribute__((aligned (8)));
+
+/*
+ * Description of a pending read. A pending read - a read call by
+ * a userspace program for which the filesystem currently doesn't have data.
+ *
+ * Reads from .pending_reads and .log return an array of these structure
+ */
+struct incfs_pending_read_info {
+ /* Id of a file that is being read from. */
+ incfs_uuid_t file_id;
+
+ /* A number of microseconds since system boot to the read. */
+ __aligned_u64 timestamp_us;
+
+ /* Index of a file block that is being read. */
+ __u32 block_index;
+
+ /* A serial number of this pending read. */
+ __u32 serial_number;
+};
+
+/*
+ * Description of a pending read. A pending read - a read call by
+ * a userspace program for which the filesystem currently doesn't have data.
+ *
+ * This version of incfs_pending_read_info is used whenever the file system is
+ * mounted with the report_uid flag
+ */
+struct incfs_pending_read_info2 {
+ /* Id of a file that is being read from. */
+ incfs_uuid_t file_id;
+
+ /* A number of microseconds since system boot to the read. */
+ __aligned_u64 timestamp_us;
+
+ /* Index of a file block that is being read. */
+ __u32 block_index;
+
+ /* A serial number of this pending read. */
+ __u32 serial_number;
+
+ /* The UID of the reading process */
+ __u32 uid;
+
+ __u32 reserved;
+};
+
+/*
+ * Description of a data or hash block to add to a data file.
+ */
+struct incfs_fill_block {
+ /* Index of a data block. */
+ __u32 block_index;
+
+ /* Length of data */
+ __u32 data_len;
+
+ /*
+ * A pointer to an actual data for the block.
+ *
+ * Equivalent to: __u8 *data;
+ */
+ __aligned_u64 data;
+
+ /*
+ * Compression algorithm used to compress the data block.
+ * Values from enum incfs_compression_alg.
+ */
+ __u8 compression;
+
+ /* Values from enum incfs_block_flags */
+ __u8 flags;
+
+ __u16 reserved1;
+
+ __u32 reserved2;
+
+ __aligned_u64 reserved3;
+};
+
+/*
+ * Description of a number of blocks to add to a data file
+ *
+ * Argument for INCFS_IOC_FILL_BLOCKS
+ */
+struct incfs_fill_blocks {
+ /* Number of blocks */
+ __u64 count;
+
+ /* A pointer to an array of incfs_fill_block structs */
+ __aligned_u64 fill_blocks;
+};
+
+/*
+ * Permit INCFS_IOC_FILL_BLOCKS on the given file descriptor
+ * May only be called on .pending_reads file
+ *
+ * Argument for INCFS_IOC_PERMIT_FILL
+ */
+struct incfs_permit_fill {
+ /* File to permit fills on */
+ __u32 file_descriptor;
+};
+
+enum incfs_hash_tree_algorithm {
+ INCFS_HASH_TREE_NONE = 0,
+ INCFS_HASH_TREE_SHA256 = 1
+};
+
+/*
+ * Create a new file or directory.
+ */
+struct incfs_new_file_args {
+ /* Id of a file to create. */
+ incfs_uuid_t file_id;
+
+ /*
+ * Total size of the new file. Ignored if S_ISDIR(mode).
+ */
+ __aligned_u64 size;
+
+ /*
+ * File mode. Permissions and dir flag.
+ */
+ __u16 mode;
+
+ __u16 reserved1;
+
+ __u32 reserved2;
+
+ /*
+ * A pointer to a null-terminated relative path to the file's parent
+ * dir.
+ * Max length: PATH_MAX
+ *
+ * Equivalent to: char *directory_path;
+ */
+ __aligned_u64 directory_path;
+
+ /*
+ * A pointer to a null-terminated file's name.
+ * Max length: PATH_MAX
+ *
+ * Equivalent to: char *file_name;
+ */
+ __aligned_u64 file_name;
+
+ /*
+ * A pointer to a file attribute to be set on creation.
+ *
+ * Equivalent to: u8 *file_attr;
+ */
+ __aligned_u64 file_attr;
+
+ /*
+ * Length of the data buffer specfied by file_attr.
+ * Max value: INCFS_MAX_FILE_ATTR_SIZE
+ */
+ __u32 file_attr_len;
+
+ __u32 reserved4;
+
+ /*
+ * Points to an APK V4 Signature data blob
+ * Signature must have two sections
+ * Format is:
+ * u32 version
+ * u32 size_of_hash_info_section
+ * u8 hash_info_section[]
+ * u32 size_of_signing_info_section
+ * u8 signing_info_section[]
+ *
+ * Note that incfs does not care about what is in signing_info_section
+ *
+ * hash_info_section has following format:
+ * u32 hash_algorithm; // Must be SHA256 == 1
+ * u8 log2_blocksize; // Must be 12 for 4096 byte blocks
+ * u32 salt_size;
+ * u8 salt[];
+ * u32 hash_size;
+ * u8 root_hash[];
+ */
+ __aligned_u64 signature_info;
+
+ /* Size of signature_info */
+ __aligned_u64 signature_size;
+
+ __aligned_u64 reserved6;
+};
+
+/*
+ * Request a digital signature blob for a given file.
+ * Argument for INCFS_IOC_READ_FILE_SIGNATURE ioctl
+ */
+struct incfs_get_file_sig_args {
+ /*
+ * A pointer to the data buffer to save an signature blob to.
+ *
+ * Equivalent to: u8 *file_signature;
+ */
+ __aligned_u64 file_signature;
+
+ /* Size of the buffer at file_signature. */
+ __u32 file_signature_buf_size;
+
+ /*
+ * Number of bytes save file_signature buffer.
+ * It is set after ioctl done.
+ */
+ __u32 file_signature_len_out;
+};
+
+struct incfs_filled_range {
+ __u32 begin;
+ __u32 end;
+};
+
+/*
+ * Request ranges of filled blocks
+ * Argument for INCFS_IOC_GET_FILLED_BLOCKS
+ */
+struct incfs_get_filled_blocks_args {
+ /*
+ * A buffer to populate with ranges of filled blocks
+ *
+ * Equivalent to struct incfs_filled_ranges *range_buffer
+ */
+ __aligned_u64 range_buffer;
+
+ /* Size of range_buffer */
+ __u32 range_buffer_size;
+
+ /* Start index to read from */
+ __u32 start_index;
+
+ /*
+ * End index to read to. 0 means read to end. This is a range,
+ * so incfs will read from start_index to end_index - 1
+ */
+ __u32 end_index;
+
+ /* Actual number of blocks in file */
+ __u32 total_blocks_out;
+
+ /* The number of data blocks in file */
+ __u32 data_blocks_out;
+
+ /* Number of bytes written to range buffer */
+ __u32 range_buffer_size_out;
+
+ /* Sector scanned up to, if the call was interrupted */
+ __u32 index_out;
+};
+
+/*
+ * Create a new mapped file
+ * Argument for INCFS_IOC_CREATE_MAPPED_FILE
+ */
+struct incfs_create_mapped_file_args {
+ /*
+ * Total size of the new file.
+ */
+ __aligned_u64 size;
+
+ /*
+ * File mode. Permissions and dir flag.
+ */
+ __u16 mode;
+
+ __u16 reserved1;
+
+ __u32 reserved2;
+
+ /*
+ * A pointer to a null-terminated relative path to the incfs mount
+ * point
+ * Max length: PATH_MAX
+ *
+ * Equivalent to: char *directory_path;
+ */
+ __aligned_u64 directory_path;
+
+ /*
+ * A pointer to a null-terminated file name.
+ * Max length: PATH_MAX
+ *
+ * Equivalent to: char *file_name;
+ */
+ __aligned_u64 file_name;
+
+ /* Id of source file to map. */
+ incfs_uuid_t source_file_id;
+
+ /*
+ * Offset in source file to start mapping. Must be a multiple of
+ * INCFS_DATA_FILE_BLOCK_SIZE
+ */
+ __aligned_u64 source_offset;
+};
+
+/*
+ * Get information about the blocks in this file
+ * Argument for INCFS_IOC_GET_BLOCK_COUNT
+ */
+struct incfs_get_block_count_args {
+ /* Total number of data blocks in the file */
+ __u32 total_data_blocks_out;
+
+ /* Number of filled data blocks in the file */
+ __u32 filled_data_blocks_out;
+
+ /* Total number of hash blocks in the file */
+ __u32 total_hash_blocks_out;
+
+ /* Number of filled hash blocks in the file */
+ __u32 filled_hash_blocks_out;
+};
+
+/* Description of timeouts for one UID */
+struct incfs_per_uid_read_timeouts {
+ /* UID to apply these timeouts to */
+ __u32 uid;
+
+ /*
+ * Min time in microseconds to read any block. Note that this doesn't
+ * apply to reads which are satisfied from the page cache.
+ */
+ __u32 min_time_us;
+
+ /*
+ * Min time in microseconds to satisfy a pending read. Any pending read
+ * which is filled before this time will be delayed so that the total
+ * read time >= this value.
+ */
+ __u32 min_pending_time_us;
+
+ /*
+ * Max time in microseconds to satisfy a pending read before the read
+ * times out. If set to U32_MAX, defaults to mount options
+ * read_timeout_ms * 1000. Must be >= min_pending_time_us
+ */
+ __u32 max_pending_time_us;
+};
+
+/*
+ * Get the read timeouts array
+ * Argument for INCFS_IOC_GET_READ_TIMEOUTS
+ */
+struct incfs_get_read_timeouts_args {
+ /*
+ * A pointer to a buffer to fill with the current timeouts
+ *
+ * Equivalent to struct incfs_per_uid_read_timeouts *
+ */
+ __aligned_u64 timeouts_array;
+
+ /* Size of above buffer in bytes */
+ __u32 timeouts_array_size;
+
+ /* Size used in bytes, or size needed if -ENOMEM returned */
+ __u32 timeouts_array_size_out;
+};
+
+/*
+ * Set the read timeouts array
+ * Arguments for INCFS_IOC_SET_READ_TIMEOUTS
+ */
+struct incfs_set_read_timeouts_args {
+ /*
+ * A pointer to an array containing the new timeouts
+ * This will replace any existing timeouts
+ *
+ * Equivalent to struct incfs_per_uid_read_timeouts *
+ */
+ __aligned_u64 timeouts_array;
+
+ /* Size of above array in bytes. Must be < 256 */
+ __u32 timeouts_array_size;
+};
+
+/*
+ * Get last read error struct
+ * Arguments for INCFS_IOC_GET_LAST_READ_ERROR
+ */
+struct incfs_get_last_read_error_args {
+ /* File id of last file that had a read error */
+ incfs_uuid_t file_id_out;
+
+ /* Time of last read error, in us, from CLOCK_MONOTONIC */
+ __u64 time_us_out;
+
+ /* Index of page that was being read at last read error */
+ __u32 page_out;
+
+ /* errno of last read error */
+ __u32 errno_out;
+
+ /* uid of last read error */
+ __u32 uid_out;
+
+ __u32 reserved1;
+ __u64 reserved2;
+};
+
+#endif /* _UAPI_LINUX_INCREMENTALFS_H */
diff --git a/drivers/staging/android/uapi/ion.h b/include/uapi/linux/ion.h
similarity index 60%
rename from drivers/staging/android/uapi/ion.h
rename to include/uapi/linux/ion.h
index 46c93fc..371e446 100644
--- a/drivers/staging/android/uapi/ion.h
+++ b/include/uapi/linux/ion.h
@@ -12,30 +12,46 @@
#include <linux/types.h>
/**
- * enum ion_heap_types - list of all possible types of heaps
- * @ION_HEAP_TYPE_SYSTEM: memory allocated via vmalloc
- * @ION_HEAP_TYPE_SYSTEM_CONTIG: memory allocated via kmalloc
- * @ION_HEAP_TYPE_CARVEOUT: memory allocated from a prereserved
- * carveout heap, allocations are physically
- * contiguous
- * @ION_HEAP_TYPE_DMA: memory allocated via DMA API
- * @ION_NUM_HEAPS: helper for iterating over heaps, a bit mask
- * is used to identify the heaps, so only 32
- * total heap types are supported
+ * ion_heap_types - list of all possible types of heaps that Android can use
+ *
+ * @ION_HEAP_TYPE_SYSTEM: Reserved heap id for ion heap that allocates
+ * memory using alloc_page(). Also, supports
+ * deferred free and allocation pools.
+* @ION_HEAP_TYPE_DMA: Reserved heap id for ion heap that manages
+ * single CMA (contiguous memory allocator)
+ * region. Uses standard DMA APIs for
+ * managing memory within the CMA region.
*/
enum ion_heap_type {
- ION_HEAP_TYPE_SYSTEM,
- ION_HEAP_TYPE_SYSTEM_CONTIG,
- ION_HEAP_TYPE_CARVEOUT,
- ION_HEAP_TYPE_CHUNK,
- ION_HEAP_TYPE_DMA,
- ION_HEAP_TYPE_CUSTOM, /*
- * must be last so device specific heaps always
- * are at the end of this enum
- */
+ ION_HEAP_TYPE_SYSTEM = 0,
+ ION_HEAP_TYPE_DMA = 2,
+ /* reserved range for future standard heap types */
+ ION_HEAP_TYPE_CUSTOM = 16,
+ ION_HEAP_TYPE_MAX = 31,
};
-#define ION_NUM_HEAP_IDS (sizeof(unsigned int) * 8)
+/**
+ * ion_heap_id - list of standard heap ids that Android can use
+ *
+ * @ION_HEAP_SYSTEM Id for the ION_HEAP_TYPE_SYSTEM
+ * @ION_HEAP_DMA_START Start of reserved id range for heaps of type
+ * ION_HEAP_TYPE_DMA
+ * @ION_HEAP_DMA_END End of reserved id range for heaps of type
+ * ION_HEAP_TYPE_DMA
+ * @ION_HEAP_CUSTOM_START Start of reserved id range for heaps of custom
+ * type
+ * @ION_HEAP_CUSTOM_END End of reserved id range for heaps of custom
+ * type
+ */
+enum ion_heap_id {
+ ION_HEAP_SYSTEM = (1 << ION_HEAP_TYPE_SYSTEM),
+ ION_HEAP_DMA_START = (ION_HEAP_SYSTEM << 1),
+ ION_HEAP_DMA_END = (ION_HEAP_DMA_START << 7),
+ ION_HEAP_CUSTOM_START = (ION_HEAP_DMA_END << 1),
+ ION_HEAP_CUSTOM_END = (ION_HEAP_CUSTOM_START << 22),
+};
+
+#define ION_NUM_MAX_HEAPS (32)
/**
* allocation flags - the lower 16 bits are used by core ion, the upper 16
@@ -46,7 +62,7 @@ enum ion_heap_type {
* mappings of this buffer should be cached, ion will do cache maintenance
* when the buffer is mapped for dma
*/
-#define ION_FLAG_CACHED 1
+#define ION_FLAG_CACHED 1
/**
* DOC: Ion Userspace API
@@ -124,4 +140,11 @@ struct ion_heap_query {
#define ION_IOC_HEAP_QUERY _IOWR(ION_IOC_MAGIC, 8, \
struct ion_heap_query)
+/**
+ * DOC: ION_IOC_HEAP_ABI_VERSION - return ABI version
+ *
+ * Returns ABI version for this driver
+ */
+#define ION_IOC_ABI_VERSION _IOR(ION_IOC_MAGIC, 9, \
+ __u32)
#endif /* _UAPI_LINUX_ION_H */
diff --git a/include/uapi/linux/netfilter/xt_IDLETIMER.h b/include/uapi/linux/netfilter/xt_IDLETIMER.h
index 49ddcdc..07ae4e1 100644
--- a/include/uapi/linux/netfilter/xt_IDLETIMER.h
+++ b/include/uapi/linux/netfilter/xt_IDLETIMER.h
@@ -48,7 +48,7 @@ struct idletimer_tg_info_v1 {
char label[MAX_IDLETIMER_LABEL_SIZE];
- __u8 send_nl_msg; /* unused: for compatibility with Android */
+ __u8 send_nl_msg;
__u8 timer_type;
/* for kernel module internal use only */
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 47700a2..2d733ef 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2527,6 +2527,11 @@ enum nl80211_commands {
* override mask. Used with NL80211_ATTR_S1G_CAPABILITY in
* NL80211_CMD_ASSOCIATE or NL80211_CMD_CONNECT.
*
+ * @NL80211_ATTR_SAE_PWE: Indicates the mechanism(s) allowed for SAE PWE
+ * derivation in WPA3-Personal networks which are using SAE authentication.
+ * This is a u8 attribute that encapsulates one of the values from
+ * &enum nl80211_sae_pwe_mechanism.
+ *
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@@ -3016,6 +3021,8 @@ enum nl80211_attrs {
NL80211_ATTR_S1G_CAPABILITY,
NL80211_ATTR_S1G_CAPABILITY_MASK,
+ NL80211_ATTR_SAE_PWE,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -7124,4 +7131,23 @@ enum nl80211_unsol_bcast_probe_resp_attributes {
NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX =
__NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_LAST - 1
};
+
+/**
+ * enum nl80211_sae_pwe_mechanism - The mechanism(s) allowed for SAE PWE
+ * derivation. Applicable only when WPA3-Personal SAE authentication is
+ * used.
+ *
+ * @NL80211_SAE_PWE_UNSPECIFIED: not specified, used internally to indicate that
+ * attribute is not present from userspace.
+ * @NL80211_SAE_PWE_HUNT_AND_PECK: hunting-and-pecking loop only
+ * @NL80211_SAE_PWE_HASH_TO_ELEMENT: hash-to-element only
+ * @NL80211_SAE_PWE_BOTH: both hunting-and-pecking loop and hash-to-element
+ * can be used.
+ */
+enum nl80211_sae_pwe_mechanism {
+ NL80211_SAE_PWE_UNSPECIFIED,
+ NL80211_SAE_PWE_HUNT_AND_PECK,
+ NL80211_SAE_PWE_HASH_TO_ELEMENT,
+ NL80211_SAE_PWE_BOTH,
+};
#endif /* __LINUX_NL80211_H */
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index b95d3c4..33bdc13 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -1101,10 +1101,15 @@ enum perf_callchain_context {
/**
* PERF_RECORD_AUX::flags bits
*/
-#define PERF_AUX_FLAG_TRUNCATED 0x01 /* record was truncated to fit */
-#define PERF_AUX_FLAG_OVERWRITE 0x02 /* snapshot from overwrite mode */
-#define PERF_AUX_FLAG_PARTIAL 0x04 /* record contains gaps */
-#define PERF_AUX_FLAG_COLLISION 0x08 /* sample collided with another */
+#define PERF_AUX_FLAG_TRUNCATED 0x01 /* record was truncated to fit */
+#define PERF_AUX_FLAG_OVERWRITE 0x02 /* snapshot from overwrite mode */
+#define PERF_AUX_FLAG_PARTIAL 0x04 /* record contains gaps */
+#define PERF_AUX_FLAG_COLLISION 0x08 /* sample collided with another */
+#define PERF_AUX_FLAG_PMU_FORMAT_TYPE_MASK 0xff00 /* PMU specific trace format type */
+
+/* CoreSight PMU AUX buffer formats */
+#define PERF_AUX_FLAG_CORESIGHT_FORMAT_CORESIGHT 0x0000 /* Default for backward compatibility */
+#define PERF_AUX_FLAG_CORESIGHT_FORMAT_RAW 0x0100 /* Raw format of the source */
#define PERF_FLAG_FD_NO_GROUP (1UL << 0)
#define PERF_FLAG_FD_OUTPUT (1UL << 1)
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h
index 7f08277..58b37b1 100644
--- a/include/uapi/linux/prctl.h
+++ b/include/uapi/linux/prctl.h
@@ -234,17 +234,25 @@ struct prctl_mm_map {
#define PR_GET_TAGGED_ADDR_CTRL 56
# define PR_TAGGED_ADDR_ENABLE (1UL << 0)
/* MTE tag check fault modes */
-# define PR_MTE_TCF_SHIFT 1
-# define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
-# define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_NONE 0
+# define PR_MTE_TCF_SYNC (1UL << 1)
+# define PR_MTE_TCF_ASYNC (1UL << 2)
+# define PR_MTE_TCF_MASK (PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC)
/* MTE tag inclusion mask */
# define PR_MTE_TAG_SHIFT 3
# define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
+/* Unused; kept only for source compatibility */
+# define PR_MTE_TCF_SHIFT 1
/* Control reclaim behavior when allocating memory */
#define PR_SET_IO_FLUSHER 57
#define PR_GET_IO_FLUSHER 58
+#define PR_SET_VMA 0x53564d41
+# define PR_SET_VMA_ANON_NAME 0
+
+/* Set/get enabled arm64 pointer authentication keys */
+#define PR_PAC_SET_ENABLED_KEYS 60
+#define PR_PAC_GET_ENABLED_KEYS 61
+
#endif /* _LINUX_PRCTL_H */
diff --git a/include/uapi/linux/sched/types.h b/include/uapi/linux/sched/types.h
index c852153..f2c4589 100644
--- a/include/uapi/linux/sched/types.h
+++ b/include/uapi/linux/sched/types.h
@@ -96,6 +96,8 @@ struct sched_param {
* on a CPU with a capacity big enough to fit the specified value.
* A task with a max utilization value smaller than 1024 is more likely
* scheduled on a CPU with no more capacity than the specified value.
+ *
+ * A task utilization boundary can be reset by setting the attribute to -1.
*/
struct sched_attr {
__u32 size;
diff --git a/include/uapi/linux/termios.h b/include/uapi/linux/termios.h
index e6da9d4..33961d4 100644
--- a/include/uapi/linux/termios.h
+++ b/include/uapi/linux/termios.h
@@ -5,4 +5,19 @@
#include <linux/types.h>
#include <asm/termios.h>
+#define NFF 5
+
+struct termiox
+{
+ __u16 x_hflag;
+ __u16 x_cflag;
+ __u16 x_rflag[NFF];
+ __u16 x_sflag;
+};
+
+#define RTSXOFF 0x0001 /* RTS flow control on input */
+#define CTSXON 0x0002 /* CTS flow control on output */
+#define DTRXOFF 0x0004 /* DTR flow control on input */
+#define DSRXON 0x0008 /* DCD flow control on output */
+
#endif
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index 0f865ae..17ce561 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -968,9 +968,22 @@ struct usb_ssp_cap_descriptor {
__le32 bmSublinkSpeedAttr[1]; /* list of sublink speed attrib entries */
#define USB_SSP_SUBLINK_SPEED_SSID (0xf) /* sublink speed ID */
#define USB_SSP_SUBLINK_SPEED_LSE (0x3 << 4) /* Lanespeed exponent */
+#define USB_SSP_SUBLINK_SPEED_LSE_BPS 0
+#define USB_SSP_SUBLINK_SPEED_LSE_KBPS 1
+#define USB_SSP_SUBLINK_SPEED_LSE_MBPS 2
+#define USB_SSP_SUBLINK_SPEED_LSE_GBPS 3
+
#define USB_SSP_SUBLINK_SPEED_ST (0x3 << 6) /* Sublink type */
+#define USB_SSP_SUBLINK_SPEED_ST_SYM_RX 0
+#define USB_SSP_SUBLINK_SPEED_ST_ASYM_RX 1
+#define USB_SSP_SUBLINK_SPEED_ST_SYM_TX 2
+#define USB_SSP_SUBLINK_SPEED_ST_ASYM_TX 3
+
#define USB_SSP_SUBLINK_SPEED_RSVD (0x3f << 8) /* Reserved */
#define USB_SSP_SUBLINK_SPEED_LP (0x3 << 14) /* Link protocol */
+#define USB_SSP_SUBLINK_SPEED_LP_SS 0
+#define USB_SSP_SUBLINK_SPEED_LP_SSP 1
+
#define USB_SSP_SUBLINK_SPEED_LSM (0xff << 16) /* Lanespeed mantissa */
} __attribute__((packed));
diff --git a/include/uapi/linux/usb/f_accessory.h b/include/uapi/linux/usb/f_accessory.h
new file mode 100644
index 0000000..0baeb7d
--- /dev/null
+++ b/include/uapi/linux/usb/f_accessory.h
@@ -0,0 +1,146 @@
+/*
+ * Gadget Function Driver for Android USB accessories
+ *
+ * Copyright (C) 2011 Google, Inc.
+ * Author: Mike Lockwood <lockwood@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _UAPI_LINUX_USB_F_ACCESSORY_H
+#define _UAPI_LINUX_USB_F_ACCESSORY_H
+
+/* Use Google Vendor ID when in accessory mode */
+#define USB_ACCESSORY_VENDOR_ID 0x18D1
+
+
+/* Product ID to use when in accessory mode */
+#define USB_ACCESSORY_PRODUCT_ID 0x2D00
+
+/* Product ID to use when in accessory mode and adb is enabled */
+#define USB_ACCESSORY_ADB_PRODUCT_ID 0x2D01
+
+/* Indexes for strings sent by the host via ACCESSORY_SEND_STRING */
+#define ACCESSORY_STRING_MANUFACTURER 0
+#define ACCESSORY_STRING_MODEL 1
+#define ACCESSORY_STRING_DESCRIPTION 2
+#define ACCESSORY_STRING_VERSION 3
+#define ACCESSORY_STRING_URI 4
+#define ACCESSORY_STRING_SERIAL 5
+
+/* Control request for retrieving device's protocol version
+ *
+ * requestType: USB_DIR_IN | USB_TYPE_VENDOR
+ * request: ACCESSORY_GET_PROTOCOL
+ * value: 0
+ * index: 0
+ * data version number (16 bits little endian)
+ * 1 for original accessory support
+ * 2 adds HID and device to host audio support
+ */
+#define ACCESSORY_GET_PROTOCOL 51
+
+/* Control request for host to send a string to the device
+ *
+ * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
+ * request: ACCESSORY_SEND_STRING
+ * value: 0
+ * index: string ID
+ * data zero terminated UTF8 string
+ *
+ * The device can later retrieve these strings via the
+ * ACCESSORY_GET_STRING_* ioctls
+ */
+#define ACCESSORY_SEND_STRING 52
+
+/* Control request for starting device in accessory mode.
+ * The host sends this after setting all its strings to the device.
+ *
+ * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
+ * request: ACCESSORY_START
+ * value: 0
+ * index: 0
+ * data none
+ */
+#define ACCESSORY_START 53
+
+/* Control request for registering a HID device.
+ * Upon registering, a unique ID is sent by the accessory in the
+ * value parameter. This ID will be used for future commands for
+ * the device
+ *
+ * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
+ * request: ACCESSORY_REGISTER_HID_DEVICE
+ * value: Accessory assigned ID for the HID device
+ * index: total length of the HID report descriptor
+ * data none
+ */
+#define ACCESSORY_REGISTER_HID 54
+
+/* Control request for unregistering a HID device.
+ *
+ * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
+ * request: ACCESSORY_REGISTER_HID
+ * value: Accessory assigned ID for the HID device
+ * index: 0
+ * data none
+ */
+#define ACCESSORY_UNREGISTER_HID 55
+
+/* Control request for sending the HID report descriptor.
+ * If the HID descriptor is longer than the endpoint zero max packet size,
+ * the descriptor will be sent in multiple ACCESSORY_SET_HID_REPORT_DESC
+ * commands. The data for the descriptor must be sent sequentially
+ * if multiple packets are needed.
+ *
+ * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
+ * request: ACCESSORY_SET_HID_REPORT_DESC
+ * value: Accessory assigned ID for the HID device
+ * index: offset of data in descriptor
+ * (needed when HID descriptor is too big for one packet)
+ * data the HID report descriptor
+ */
+#define ACCESSORY_SET_HID_REPORT_DESC 56
+
+/* Control request for sending HID events.
+ *
+ * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
+ * request: ACCESSORY_SEND_HID_EVENT
+ * value: Accessory assigned ID for the HID device
+ * index: 0
+ * data the HID report for the event
+ */
+#define ACCESSORY_SEND_HID_EVENT 57
+
+/* Control request for setting the audio mode.
+ *
+ * requestType: USB_DIR_OUT | USB_TYPE_VENDOR
+ * request: ACCESSORY_SET_AUDIO_MODE
+ * value: 0 - no audio
+ * 1 - device to host, 44100 16-bit stereo PCM
+ * index: 0
+ * data none
+ */
+#define ACCESSORY_SET_AUDIO_MODE 58
+
+/* ioctls for retrieving strings set by the host */
+#define ACCESSORY_GET_STRING_MANUFACTURER _IOW('M', 1, char[256])
+#define ACCESSORY_GET_STRING_MODEL _IOW('M', 2, char[256])
+#define ACCESSORY_GET_STRING_DESCRIPTION _IOW('M', 3, char[256])
+#define ACCESSORY_GET_STRING_VERSION _IOW('M', 4, char[256])
+#define ACCESSORY_GET_STRING_URI _IOW('M', 5, char[256])
+#define ACCESSORY_GET_STRING_SERIAL _IOW('M', 6, char[256])
+/* returns 1 if there is a start request pending */
+#define ACCESSORY_IS_START_REQUESTED _IO('M', 7)
+/* returns audio mode (set via the ACCESSORY_SET_AUDIO_MODE control request) */
+#define ACCESSORY_GET_AUDIO_MODE _IO('M', 8)
+
+#endif /* _UAPI_LINUX_USB_F_ACCESSORY_H */
diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h
index e7e98bd..05b31d6 100644
--- a/include/uapi/linux/userfaultfd.h
+++ b/include/uapi/linux/userfaultfd.h
@@ -19,15 +19,20 @@
* means the userland is reading).
*/
#define UFFD_API ((__u64)0xAA)
+#define UFFD_API_REGISTER_MODES (UFFDIO_REGISTER_MODE_MISSING | \
+ UFFDIO_REGISTER_MODE_WP | \
+ UFFDIO_REGISTER_MODE_MINOR)
#define UFFD_API_FEATURES (UFFD_FEATURE_PAGEFAULT_FLAG_WP | \
UFFD_FEATURE_EVENT_FORK | \
UFFD_FEATURE_EVENT_REMAP | \
- UFFD_FEATURE_EVENT_REMOVE | \
+ UFFD_FEATURE_EVENT_REMOVE | \
UFFD_FEATURE_EVENT_UNMAP | \
UFFD_FEATURE_MISSING_HUGETLBFS | \
UFFD_FEATURE_MISSING_SHMEM | \
UFFD_FEATURE_SIGBUS | \
- UFFD_FEATURE_THREAD_ID)
+ UFFD_FEATURE_THREAD_ID | \
+ UFFD_FEATURE_MINOR_HUGETLBFS | \
+ UFFD_FEATURE_MINOR_SHMEM)
#define UFFD_API_IOCTLS \
((__u64)1 << _UFFDIO_REGISTER | \
(__u64)1 << _UFFDIO_UNREGISTER | \
@@ -36,10 +41,12 @@
((__u64)1 << _UFFDIO_WAKE | \
(__u64)1 << _UFFDIO_COPY | \
(__u64)1 << _UFFDIO_ZEROPAGE | \
- (__u64)1 << _UFFDIO_WRITEPROTECT)
+ (__u64)1 << _UFFDIO_WRITEPROTECT | \
+ (__u64)1 << _UFFDIO_CONTINUE)
#define UFFD_API_RANGE_IOCTLS_BASIC \
((__u64)1 << _UFFDIO_WAKE | \
- (__u64)1 << _UFFDIO_COPY)
+ (__u64)1 << _UFFDIO_COPY | \
+ (__u64)1 << _UFFDIO_CONTINUE)
/*
* Valid ioctl command number range with this API is from 0x00 to
@@ -55,6 +62,7 @@
#define _UFFDIO_COPY (0x03)
#define _UFFDIO_ZEROPAGE (0x04)
#define _UFFDIO_WRITEPROTECT (0x06)
+#define _UFFDIO_CONTINUE (0x07)
#define _UFFDIO_API (0x3F)
/* userfaultfd ioctl ids */
@@ -73,6 +81,8 @@
struct uffdio_zeropage)
#define UFFDIO_WRITEPROTECT _IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, \
struct uffdio_writeprotect)
+#define UFFDIO_CONTINUE _IOWR(UFFDIO, _UFFDIO_CONTINUE, \
+ struct uffdio_continue)
/* read() structure */
struct uffd_msg {
@@ -127,6 +137,7 @@ struct uffd_msg {
/* flags for UFFD_EVENT_PAGEFAULT */
#define UFFD_PAGEFAULT_FLAG_WRITE (1<<0) /* If this was a write fault */
#define UFFD_PAGEFAULT_FLAG_WP (1<<1) /* If reason is VM_UFFD_WP */
+#define UFFD_PAGEFAULT_FLAG_MINOR (1<<2) /* If reason is VM_UFFD_MINOR */
struct uffdio_api {
/* userland asks for an API number and the features to enable */
@@ -171,6 +182,13 @@ struct uffdio_api {
*
* UFFD_FEATURE_THREAD_ID pid of the page faulted task_struct will
* be returned, if feature is not requested 0 will be returned.
+ *
+ * UFFD_FEATURE_MINOR_HUGETLBFS indicates that minor faults
+ * can be intercepted (via REGISTER_MODE_MINOR) for
+ * hugetlbfs-backed pages.
+ *
+ * UFFD_FEATURE_MINOR_SHMEM indicates the same support as
+ * UFFD_FEATURE_MINOR_HUGETLBFS, but for shmem-backed pages instead.
*/
#define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0)
#define UFFD_FEATURE_EVENT_FORK (1<<1)
@@ -181,6 +199,8 @@ struct uffdio_api {
#define UFFD_FEATURE_EVENT_UNMAP (1<<6)
#define UFFD_FEATURE_SIGBUS (1<<7)
#define UFFD_FEATURE_THREAD_ID (1<<8)
+#define UFFD_FEATURE_MINOR_HUGETLBFS (1<<9)
+#define UFFD_FEATURE_MINOR_SHMEM (1<<10)
__u64 features;
__u64 ioctls;
@@ -195,6 +215,7 @@ struct uffdio_register {
struct uffdio_range range;
#define UFFDIO_REGISTER_MODE_MISSING ((__u64)1<<0)
#define UFFDIO_REGISTER_MODE_WP ((__u64)1<<1)
+#define UFFDIO_REGISTER_MODE_MINOR ((__u64)1<<2)
__u64 mode;
/*
@@ -257,4 +278,25 @@ struct uffdio_writeprotect {
__u64 mode;
};
+struct uffdio_continue {
+ struct uffdio_range range;
+#define UFFDIO_CONTINUE_MODE_DONTWAKE ((__u64)1<<0)
+ __u64 mode;
+
+ /*
+ * Fields below here are written by the ioctl and must be at the end:
+ * the copy_from_user will not read past here.
+ */
+ __s64 mapped;
+};
+
+/*
+ * Flags for the userfaultfd(2) system call itself.
+ */
+
+/*
+ * Create a userfaultfd that can handle page faults only in user mode.
+ */
+#define UFFD_USER_MODE_ONLY 1
+
#endif /* _LINUX_USERFAULTFD_H */
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index a184c49..2a9d5c8 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -65,6 +65,7 @@
#define V4L2_CTRL_CLASS_FM_RX 0x00a10000 /* FM Receiver controls */
#define V4L2_CTRL_CLASS_RF_TUNER 0x00a20000 /* RF tuner controls */
#define V4L2_CTRL_CLASS_DETECT 0x00a30000 /* Detection controls */
+#define V4L2_CTRL_CLASS_COLORIMETRY 0x00a50000 /* Colorimetry controls */
/* User-class control IDs */
@@ -415,6 +416,12 @@ enum v4l2_mpeg_video_multi_slice_mode {
#define V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE (V4L2_CID_MPEG_BASE+227)
#define V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE (V4L2_CID_MPEG_BASE+228)
#define V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME (V4L2_CID_MPEG_BASE+229)
+#define V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (V4L2_CID_MPEG_BASE+230)
+#define V4L2_CID_MPEG_VIDEO_AU_DELIMITER (V4L2_CID_MPEG_BASE+231)
+#define V4L2_CID_MPEG_VIDEO_LTR_COUNT (V4L2_CID_MPEG_BASE+232)
+#define V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (V4L2_CID_MPEG_BASE+233)
+#define V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (V4L2_CID_MPEG_BASE+234)
+#define V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR (V4L2_CID_MPEG_BASE+235)
/* CIDs for the MPEG-2 Part 2 (H.262) codec */
#define V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL (V4L2_CID_MPEG_BASE+270)
@@ -578,6 +585,15 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type {
#define V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP (V4L2_CID_MPEG_BASE+386)
#define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP (V4L2_CID_MPEG_BASE+387)
#define V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP (V4L2_CID_MPEG_BASE+388)
+#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP (V4L2_CID_MPEG_BASE+389)
+#define V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP (V4L2_CID_MPEG_BASE+390)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR (V4L2_CID_MPEG_BASE+391)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR (V4L2_CID_MPEG_BASE+392)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR (V4L2_CID_MPEG_BASE+393)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR (V4L2_CID_MPEG_BASE+394)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR (V4L2_CID_MPEG_BASE+395)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR (V4L2_CID_MPEG_BASE+396)
+#define V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (V4L2_CID_MPEG_BASE+397)
#define V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (V4L2_CID_MPEG_BASE+400)
#define V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (V4L2_CID_MPEG_BASE+401)
#define V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (V4L2_CID_MPEG_BASE+402)
@@ -768,6 +784,15 @@ enum v4l2_mpeg_video_frame_skip_mode {
V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT = 2,
};
+#define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP (V4L2_CID_MPEG_BASE + 647)
+#define V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP (V4L2_CID_MPEG_BASE + 648)
+#define V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP (V4L2_CID_MPEG_BASE + 649)
+#define V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP (V4L2_CID_MPEG_BASE + 650)
+#define V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP (V4L2_CID_MPEG_BASE + 651)
+#define V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP (V4L2_CID_MPEG_BASE + 652)
+#define V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY (V4L2_CID_MPEG_BASE + 653)
+#define V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE (V4L2_CID_MPEG_BASE + 654)
+
/* MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
#define V4L2_CID_MPEG_CX2341X_BASE (V4L2_CTRL_CLASS_MPEG | 0x1000)
#define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE (V4L2_CID_MPEG_CX2341X_BASE+0)
@@ -1171,4 +1196,38 @@ enum v4l2_detect_md_mode {
#define V4L2_CID_DETECT_MD_THRESHOLD_GRID (V4L2_CID_DETECT_CLASS_BASE + 3)
#define V4L2_CID_DETECT_MD_REGION_GRID (V4L2_CID_DETECT_CLASS_BASE + 4)
+#define V4L2_CID_COLORIMETRY_CLASS_BASE (V4L2_CTRL_CLASS_COLORIMETRY | 0x900)
+#define V4L2_CID_COLORIMETRY_CLASS (V4L2_CTRL_CLASS_COLORIMETRY | 1)
+
+#define V4L2_CID_COLORIMETRY_HDR10_CLL_INFO (V4L2_CID_COLORIMETRY_CLASS_BASE + 0)
+
+struct v4l2_ctrl_hdr10_cll_info {
+ __u16 max_content_light_level;
+ __u16 max_pic_average_light_level;
+};
+
+#define V4L2_CID_COLORIMETRY_HDR10_MASTERING_DISPLAY (V4L2_CID_COLORIMETRY_CLASS_BASE + 1)
+
+#define V4L2_HDR10_MASTERING_PRIMARIES_X_LOW 5
+#define V4L2_HDR10_MASTERING_PRIMARIES_X_HIGH 37000
+#define V4L2_HDR10_MASTERING_PRIMARIES_Y_LOW 5
+#define V4L2_HDR10_MASTERING_PRIMARIES_Y_HIGH 42000
+#define V4L2_HDR10_MASTERING_WHITE_POINT_X_LOW 5
+#define V4L2_HDR10_MASTERING_WHITE_POINT_X_HIGH 37000
+#define V4L2_HDR10_MASTERING_WHITE_POINT_Y_LOW 5
+#define V4L2_HDR10_MASTERING_WHITE_POINT_Y_HIGH 42000
+#define V4L2_HDR10_MASTERING_MAX_LUMA_LOW 50000
+#define V4L2_HDR10_MASTERING_MAX_LUMA_HIGH 100000000
+#define V4L2_HDR10_MASTERING_MIN_LUMA_LOW 1
+#define V4L2_HDR10_MASTERING_MIN_LUMA_HIGH 50000
+
+struct v4l2_ctrl_hdr10_mastering_display {
+ __u16 display_primaries_x[3];
+ __u16 display_primaries_y[3];
+ __u16 white_point_x;
+ __u16 white_point_y;
+ __u32 max_display_mastering_luminance;
+ __u32 min_display_mastering_luminance;
+};
+
#endif
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 534eaa4..72b94b4 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -70,7 +70,7 @@
* Common stuff for both V4L1 and V4L2
* Moved from videodev.h
*/
-#define VIDEO_MAX_FRAME 32
+#define VIDEO_MAX_FRAME 64
#define VIDEO_MAX_PLANES 8
/*
@@ -978,7 +978,9 @@ struct v4l2_requestbuffers {
* descriptor associated with this plane
* @data_offset: offset in the plane to the start of data; usually 0,
* unless there is a header in front of the data
- *
+ * @reserved: few userspace clients and drivers use reserved fields
+ * and it is up to them how these fields are used. v4l2
+ * simply copy reserved fields between them.
* Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
* with two planes can have one plane for Y, and another for interleaved CbCr
* components. Each plane can reside in a separate memory buffer, or even in
@@ -993,6 +995,7 @@ struct v4l2_plane {
__s32 fd;
} m;
__u32 data_offset;
+ /* reserved fields used by few userspace clients and drivers */
__u32 reserved[11];
};
@@ -1777,6 +1780,16 @@ enum v4l2_ctrl_type {
V4L2_CTRL_TYPE_U16 = 0x0101,
V4L2_CTRL_TYPE_U32 = 0x0102,
V4L2_CTRL_TYPE_AREA = 0x0106,
+
+ V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
+ V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
+
+ V4L2_CTRL_TYPE_H264_SPS = 0x0200,
+ V4L2_CTRL_TYPE_H264_PPS = 0x0201,
+ V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
+ V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
+ V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
+ V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
};
/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h
index b052355..bc740d6 100644
--- a/include/uapi/linux/virtio_ids.h
+++ b/include/uapi/linux/virtio_ids.h
@@ -45,6 +45,7 @@
#define VIRTIO_ID_CRYPTO 20 /* virtio crypto */
#define VIRTIO_ID_IOMMU 23 /* virtio IOMMU */
#define VIRTIO_ID_MEM 24 /* virtio mem */
+#define VIRTIO_ID_SOUND 25 /* virtio sound */
#define VIRTIO_ID_FS 26 /* virtio filesystem */
#define VIRTIO_ID_PMEM 27 /* virtio pmem */
#define VIRTIO_ID_MAC80211_HWSIM 29 /* virtio mac80211-hwsim */
diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h
index 9463db2..d22191a 100644
--- a/include/uapi/linux/xattr.h
+++ b/include/uapi/linux/xattr.h
@@ -18,8 +18,11 @@
#if __UAPI_DEF_XATTR
#define __USE_KERNEL_XATTR_DEFS
-#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
-#define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */
+#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
+#define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */
+#ifdef __KERNEL__ /* following is kernel internal, colocated for maintenance */
+#define XATTR_NOSECURITY 0x4 /* get value, do not involve security check */
+#endif
#endif
/* Namespaces */
diff --git a/init/Kconfig b/init/Kconfig
index fc4c9f4..4413af4 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1215,6 +1215,17 @@
desktop applications. Task group autogeneration is currently based
upon task session.
+config RT_SOFTINT_OPTIMIZATION
+ bool "Improve RT scheduling during long softint execution"
+ depends on ARM64
+ depends on SMP
+ default n
+ help
+ Enable an optimization which tries to avoid placing RT tasks on CPUs
+ occupied by nonpreemptible tasks, such as a long softint, or CPUs
+ which may soon block preemptions, such as a CPU running a ksoftirq
+ thread which handles slow softints.
+
config SYSFS_DEPRECATED
bool "Enable deprecated sysfs features to support old userspace tools"
depends on SYSFS
@@ -1622,6 +1633,11 @@
help
Arch has userfaultfd write protection support
+config HAVE_ARCH_USERFAULTFD_MINOR
+ bool
+ help
+ Arch has userfaultfd minor fault support
+
config MEMBARRIER
bool "Enable membarrier() system call" if EXPERT
default y
@@ -2141,6 +2157,20 @@
the version). With this option, such a "srcversion" field
will be created for all modules. If unsure, say N.
+config MODULE_SCMVERSION
+ bool "SCM version for modules"
+ depends on LOCALVERSION_AUTO
+ help
+ This enables the module attribute "scmversion" which can be used
+ by developers to identify the SCM version of a given module, e.g.
+ git sha1 or hg sha1. The SCM version can be queried by modinfo or
+ via the sysfs node: /sys/modules/MODULENAME/scmversion. This is
+ useful when the kernel or kernel modules are updated separately
+ since that causes the vermagic of the kernel and the module to
+ differ.
+
+ If unsure, say N.
+
config MODULE_SIG
bool "Module signature verification"
select MODULE_SIG_FORMAT
@@ -2321,7 +2351,7 @@
config MODULES_TREE_LOOKUP
def_bool y
- depends on PERF_EVENTS || TRACING
+ depends on PERF_EVENTS || TRACING || CFI_CLANG
config INIT_ALL_POSSIBLE
bool
@@ -2366,3 +2396,5 @@
# <asm/syscall_wrapper.h>.
config ARCH_HAS_SYSCALL_WRAPPER
def_bool n
+
+source "init/Kconfig.gki"
diff --git a/init/Kconfig.gki b/init/Kconfig.gki
new file mode 100644
index 0000000..1a4fde6
--- /dev/null
+++ b/init/Kconfig.gki
@@ -0,0 +1,265 @@
+config GKI_HIDDEN_DRM_CONFIGS
+ bool "Hidden DRM configs needed for GKI"
+ select DRM_KMS_HELPER if (HAS_IOMEM && DRM)
+ select DRM_GEM_SHMEM_HELPER if (DRM)
+ select DRM_GEM_CMA_HELPER
+ select DRM_KMS_CMA_HELPER
+ select DRM_MIPI_DSI
+ select DRM_TTM if (HAS_IOMEM && DRM)
+ select VIDEOMODE_HELPERS
+ select WANT_DEV_COREDUMP
+ select INTERVAL_TREE
+ help
+ Dummy config option used to enable hidden DRM configs.
+ These are normally selected implicitly when including a
+ DRM module, but for GKI, the modules are built out-of-tree.
+
+config GKI_HIDDEN_REGMAP_CONFIGS
+ bool "Hidden Regmap configs needed for GKI"
+ select REGMAP_IRQ
+ select REGMAP_MMIO
+ help
+ Dummy config option used to enable hidden regmap configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_CRYPTO_CONFIGS
+ bool "Hidden CRYPTO configs needed for GKI"
+ select CRYPTO_ENGINE
+ help
+ Dummy config option used to enable hidden CRYPTO configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_SND_CONFIGS
+ bool "Hidden SND configs needed for GKI"
+ select SND_VMASTER
+ select SND_PCM_ELD
+ select SND_JACK
+ select SND_JACK_INPUT_DEV
+ select SND_INTEL_NHLT if (ACPI)
+ help
+ Dummy config option used to enable hidden SND configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_SND_SOC_CONFIGS
+ bool "Hidden SND_SOC configs needed for GKI"
+ select SND_SOC_GENERIC_DMAENGINE_PCM if (SND_SOC && SND)
+ select SND_PCM_IEC958
+ select SND_SOC_COMPRESS if (SND_SOC && SND)
+ select SND_SOC_TOPOLOGY if (SND_SOC && SND)
+ select DMADEVICES
+ select DMA_VIRTUAL_CHANNELS
+ help
+ Dummy config option used to enable hidden SND_SOC configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_MMC_CONFIGS
+ bool "Hidden MMC configs needed for GKI"
+ select MMC_SDHCI_IO_ACCESSORS if (MMC_SDHCI)
+ help
+ Dummy config option used to enable hidden MMC configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_GPIO_CONFIGS
+ bool "Hidden GPIO configs needed for GKI"
+ select PINCTRL_SINGLE if (PINCTRL && OF && HAS_IOMEM)
+ select GPIO_PL061 if (HAS_IOMEM && ARM_AMBA && GPIOLIB)
+ help
+ Dummy config option used to enable hidden GPIO configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_QCOM_CONFIGS
+ bool "Hidden QCOM configs needed for GKI"
+ select QCOM_SMEM_STATE
+ select QCOM_GDSC if (ARCH_QCOM)
+ select IOMMU_IO_PGTABLE_LPAE if (ARCH_QCOM)
+
+ help
+ Dummy config option used to enable hidden QCOM configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_MEDIA_CONFIGS
+ bool "Hidden Media configs needed for GKI"
+ select VIDEOBUF2_CORE
+ select V4L2_MEM2MEM_DEV
+ select MEDIA_CONTROLLER
+ select MEDIA_CONTROLLER_REQUEST_API
+ select MEDIA_SUPPORT
+ select FRAME_VECTOR
+ select CEC_CORE
+ select CEC_NOTIFIER
+ select CEC_PIN
+ select VIDEOBUF2_DMA_CONTIG
+ help
+ Dummy config option used to enable hidden media configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_VIRTUAL_CONFIGS
+ bool "Hidden Virtual configs needed for GKI"
+ select HVC_DRIVER
+ help
+ Dummy config option used to enable hidden virtual device configs.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+# LEGACY_WEXT_ALLCONFIG Discussed upstream, soundly rejected as a unique
+# problem for GKI to solve. It should be noted that these extensions are
+# in-effect deprecated and generally unsupported and we should pressure
+# the SOC vendors to drop any modules that require these extensions.
+config GKI_LEGACY_WEXT_ALLCONFIG
+ bool "Hidden wireless extension configs needed for GKI"
+ select WIRELESS_EXT
+ select WEXT_CORE
+ select WEXT_PROC
+ select WEXT_SPY
+ select WEXT_PRIV
+ help
+ Dummy config option used to enable all the hidden legacy wireless
+ extensions to the core wireless network functionality used by
+ add-in modules.
+
+ If you are not building a kernel to be used for a variety of
+ out-of-kernel built wireless modules, say N here.
+
+config GKI_HIDDEN_USB_CONFIGS
+ bool "Hiddel USB configurations needed for GKI"
+ select USB_PHY
+ help
+ Dummy config option used to enable all USB related hidden configs.
+ These configurations are usually only selected by another config
+ option or a combination of them.
+
+ If you are not building a kernel to be used for a variety of
+ out-of-kernel build USB drivers, say N here.
+
+config GKI_HIDDEN_SOC_BUS_CONFIGS
+ bool "Hidden SoC bus configuration needed for GKI"
+ select SOC_BUS
+ help
+ Dummy config option used to enable SOC_BUS hidden Kconfig.
+ The configuration is required for SoCs to register themselves to the bus.
+
+ If you are not building a kernel to be used for a variety of SoCs and
+ out-of-tree drivers, say N here.
+
+config GKI_HIDDEN_RPMSG_CONFIGS
+ bool "Hidden RPMSG configuration needed for GKI"
+ select RPMSG
+ help
+ Dummy config option used to enable the hidden RPMSG config.
+ This configuration is usually only selected by another config
+ option or a combination of them.
+
+ If you are not building a kernel to be used for a variety of
+ out-of-kernel build RPMSG drivers, say N here.
+
+config GKI_HIDDEN_GPU_CONFIGS
+ bool "Hidden GPU configuration needed for GKI"
+ select TRACE_GPU_MEM
+ select MMU_NOTIFIER
+ select HMM_MIRROR
+ help
+ Dummy config option used to enable the hidden GPU config.
+ These are normally selected implicitly when a module
+ that relies on it is configured.
+
+config GKI_HIDDEN_IRQ_CONFIGS
+ bool "Hidden IRQ configuration needed for GKI"
+ select GENERIC_IRQ_CHIP
+ select IRQ_DOMAIN_HIERARCHY
+ select IRQ_FASTEOI_HIERARCHY_HANDLERS
+ help
+ Dummy config option used to enable GENERIC_IRQ_CHIP hidden
+ config, required by various SoC platforms. This is usually
+ selected by ARCH_*.
+
+config GKI_HIDDEN_HYPERVISOR_CONFIGS
+ bool "Hidden hypervisor configuration needed for GKI"
+ select SYS_HYPERVISOR
+ help
+ Dummy config option used to enable the SYS_HYPERVISOR hidden
+ config, required by various SoC platforms. This is usually
+ selected by XEN or S390.
+
+config GKI_HIDDEN_NET_CONFIGS
+ bool "Hidden networking configuration needed for GKI"
+ select PAGE_POOL
+ select NET_PTP_CLASSIFY
+ help
+ Dummy config option used to enable the networking hidden
+ config, required by various SoC platforms.
+
+config GKI_HIDDEN_PHY_CONFIGS
+ bool "Hidden PHY configuration needed for GKI"
+ select GENERIC_PHY_MIPI_DPHY
+ help
+ Dummy config option used to enable the hidden PHY configs,
+ required by various SoC platforms.
+
+config GKI_HIDDEN_MM_CONFIGS
+ bool "Hidden MM configuration needed for GKI"
+ select PAGE_REPORTING
+ select BALLOON_COMPACTION
+ select MEMORY_BALLOON
+ help
+ Dummy config option used to enable hidden MM configs,
+ currently required for VIRTIO_BALLOON
+
+config GKI_HIDDEN_DMA_CONFIGS
+ bool "Hidden DMA configuration needed for GKI"
+ select ASYNC_TX_ENABLE_CHANNEL_SWITCH
+ help
+ Dummy config option used to enable the hidden DMA configs,
+ required by various SoC platforms.
+
+config GKI_HIDDEN_ETHERNET_CONFIGS
+ bool "Hidden Ethernet configuration needed for GKI"
+ select PHYLINK
+ help
+ Dummy config option used to enable the hidden Ethernet PHYLINK
+ configs, required by various ethernet devices.
+
+# Atrocities needed for
+# a) building GKI modules in separate tree, or
+# b) building drivers that are not modularizable
+#
+# All of these should be reworked into an upstream solution
+# if possible.
+#
+config GKI_HACKS_TO_FIX
+ bool "GKI Dummy config options"
+ select GKI_HIDDEN_CRYPTO_CONFIGS
+ select GKI_HIDDEN_DRM_CONFIGS
+ select GKI_HIDDEN_REGMAP_CONFIGS
+ select GKI_HIDDEN_SND_CONFIGS
+ select GKI_HIDDEN_SND_SOC_CONFIGS
+ select GKI_HIDDEN_MMC_CONFIGS
+ select GKI_HIDDEN_GPIO_CONFIGS
+ select GKI_HIDDEN_QCOM_CONFIGS
+ select GKI_LEGACY_WEXT_ALLCONFIG
+ select GKI_HIDDEN_MEDIA_CONFIGS
+ select GKI_HIDDEN_VIRTUAL_CONFIGS
+ select GKI_HIDDEN_USB_CONFIGS
+ select GKI_HIDDEN_SOC_BUS_CONFIGS
+ select GKI_HIDDEN_RPMSG_CONFIGS
+ select GKI_HIDDEN_GPU_CONFIGS
+ select GKI_HIDDEN_IRQ_CONFIGS
+ select GKI_HIDDEN_HYPERVISOR_CONFIGS
+ select GKI_HIDDEN_NET_CONFIGS
+ select GKI_HIDDEN_PHY_CONFIGS
+ select GKI_HIDDEN_MM_CONFIGS
+ select GKI_HIDDEN_DMA_CONFIGS
+ select GKI_HIDDEN_ETHERNET_CONFIGS
+ help
+ Dummy config option used to enable core functionality used by
+ modules that may not be selectable in this config.
+
+ Unless you are building a GKI kernel to be used with modules
+ built from a different config, say N here.
diff --git a/init/init_task.c b/init/init_task.c
index 5fa18ed..fba7fbe 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -176,7 +176,7 @@ struct task_struct init_task
.numa_group = NULL,
.numa_faults = NULL,
#endif
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
.kasan_depth = 1,
#endif
#ifdef CONFIG_KCSAN
@@ -213,6 +213,8 @@ struct task_struct init_task
#ifdef CONFIG_SECCOMP_FILTER
.seccomp = { .filter_count = ATOMIC_INIT(0) },
#endif
+ .android_vendor_data1 = {0, },
+ .android_oem_data1 = {0, },
};
EXPORT_SYMBOL(init_task);
diff --git a/init/main.c b/init/main.c
index 4fe58ed..e0defb4 100644
--- a/init/main.c
+++ b/init/main.c
@@ -40,6 +40,7 @@
#include <linux/security.h>
#include <linux/smp.h>
#include <linux/profile.h>
+#include <linux/kfence.h>
#include <linux/rcupdate.h>
#include <linux/moduleparam.h>
#include <linux/kallsyms.h>
@@ -98,6 +99,7 @@
#include <linux/mem_encrypt.h>
#include <linux/kcsan.h>
#include <linux/init_syscalls.h>
+#include <linux/stackdepot.h>
#include <asm/io.h>
#include <asm/bugs.h>
@@ -387,16 +389,6 @@ static char * __init xbc_make_cmdline(const char *key)
return new_cmdline;
}
-static u32 boot_config_checksum(unsigned char *p, u32 size)
-{
- u32 ret = 0;
-
- while (size--)
- ret += *p++;
-
- return ret;
-}
-
static int __init bootconfig_params(char *param, char *val,
const char *unused, void *arg)
{
@@ -440,7 +432,7 @@ static void __init setup_boot_config(const char *cmdline)
return;
}
- if (boot_config_checksum((unsigned char *)data, size) != csum) {
+ if (xbc_calc_checksum(data, size) != csum) {
pr_err("bootconfig checksum failed\n");
return;
}
@@ -826,8 +818,10 @@ static void __init mm_init(void)
* bigger than MAX_ORDER unless SPARSEMEM.
*/
page_ext_init_flatmem();
- init_debug_pagealloc();
+ init_mem_debugging_and_hardening();
+ kfence_alloc_pool();
report_meminit();
+ stack_depot_init();
mem_init();
kmem_cache_init();
kmemleak_init();
@@ -952,6 +946,7 @@ asmlinkage __visible void __init __no_sanitize_address start_kernel(void)
hrtimers_init();
softirq_init();
timekeeping_init();
+ kfence_init();
/*
* For best initial stack canary entropy, prepare it after:
diff --git a/kernel/Makefile b/kernel/Makefile
index e7905bd..6ee614d 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -38,6 +38,9 @@
KCSAN_SANITIZE_kcov.o := n
CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
+# Don't instrument error handlers
+CFLAGS_REMOVE_cfi.o := $(CC_FLAGS_CFI)
+
obj-y += sched/
obj-y += locking/
obj-y += power/
@@ -108,6 +111,7 @@
obj-$(CONFIG_KCSAN) += kcsan/
obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call.o
+obj-$(CONFIG_CFI_CLANG) += cfi.o
obj-$(CONFIG_PERF_EVENTS) += events/
diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index ac283f9..d97de35 100644
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -10,6 +10,7 @@
#include <linux/seq_file.h>
#include <linux/refcount.h>
#include <linux/mutex.h>
+#include <trace/hooks/memory.h>
enum bpf_struct_ops_state {
BPF_STRUCT_OPS_STATE_INIT,
@@ -451,7 +452,9 @@ static int bpf_struct_ops_map_update_elem(struct bpf_map *map, void *key,
bpf_map_inc(map);
set_memory_ro((long)st_map->image, 1);
+ trace_android_vh_set_memory_ro((unsigned long)st_map->image, 1);
set_memory_x((long)st_map->image, 1);
+ trace_android_vh_set_memory_x((unsigned long)st_map->image, 1);
err = st_ops->reg(kdata);
if (likely(!err)) {
/* Pair with smp_load_acquire() during lookup_elem().
@@ -535,6 +538,8 @@ static void bpf_struct_ops_map_free(struct bpf_map *map)
if (st_map->progs)
bpf_struct_ops_map_put_progs(st_map);
bpf_map_area_free(st_map->progs);
+ trace_android_vh_set_memory_rw((unsigned long)st_map->image, 1);
+ trace_android_vh_set_memory_nx((unsigned long)st_map->image, 1);
bpf_jit_free_exec(st_map->image);
bpf_map_area_free(st_map->uvalue);
bpf_map_area_free(st_map);
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index d3a1f25..41fc502 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -36,6 +36,8 @@
#include <asm/barrier.h>
#include <asm/unaligned.h>
+#include <trace/hooks/memory.h>
+
/* Registers */
#define BPF_R0 regs[BPF_REG_0]
#define BPF_R1 regs[BPF_REG_1]
@@ -901,6 +903,8 @@ void bpf_jit_binary_free(struct bpf_binary_header *hdr)
{
u32 pages = hdr->pages;
+ trace_android_vh_set_memory_rw((unsigned long)hdr, pages);
+ trace_android_vh_set_memory_nx((unsigned long)hdr, pages);
bpf_jit_free_exec(hdr);
bpf_jit_uncharge_modmem(pages);
}
@@ -2192,14 +2196,8 @@ static void bpf_prog_free_deferred(struct work_struct *work)
#endif
if (aux->dst_trampoline)
bpf_trampoline_put(aux->dst_trampoline);
- for (i = 0; i < aux->func_cnt; i++) {
- /* We can just unlink the subprog poke descriptor table as
- * it was originally linked to the main program and is also
- * released along with it.
- */
- aux->func[i]->aux->poke_tab = NULL;
+ for (i = 0; i < aux->func_cnt; i++)
bpf_jit_free(aux->func[i]);
- }
if (aux->func_cnt) {
kfree(aux->func);
bpf_prog_unlock_free(aux->prog);
@@ -2350,6 +2348,7 @@ DEFINE_STATIC_KEY_FALSE(bpf_stats_enabled_key);
EXPORT_SYMBOL(bpf_stats_enabled_key);
/* All definitions of tracepoints related to BPF. */
+#undef TRACE_INCLUDE_PATH
#define CREATE_TRACE_POINTS
#include <linux/bpf_trace.h>
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index bb9a9cb..3851897 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -32,6 +32,8 @@
#include <linux/bpf-netns.h>
#include <linux/rcupdate_trace.h>
+#include <trace/hooks/syscall_check.h>
+
#define IS_FD_ARRAY(map) ((map)->map_type == BPF_MAP_TYPE_PERF_EVENT_ARRAY || \
(map)->map_type == BPF_MAP_TYPE_CGROUP_ARRAY || \
(map)->map_type == BPF_MAP_TYPE_ARRAY_OF_MAPS)
@@ -4392,6 +4394,8 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
if (copy_from_user(&attr, uattr, size) != 0)
return -EFAULT;
+ trace_android_vh_check_bpf_syscall(cmd, &attr, size);
+
err = security_bpf(cmd, &attr, size);
if (err < 0)
return err;
diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
index 986dabc..ac34532 100644
--- a/kernel/bpf/trampoline.c
+++ b/kernel/bpf/trampoline.c
@@ -9,6 +9,7 @@
#include <linux/btf.h>
#include <linux/rcupdate_trace.h>
#include <linux/rcupdate_wait.h>
+#include <trace/hooks/memory.h>
/* dummy _ops. The verifier will operate on target program's ops. */
const struct bpf_verifier_ops bpf_extension_verifier_ops = {
@@ -38,6 +39,7 @@ void *bpf_jit_alloc_exec_page(void)
* everytime new program is attached or detached.
*/
set_memory_x((long)image, 1);
+ trace_android_vh_set_memory_x((unsigned long)image, 1);
return image;
}
@@ -171,6 +173,7 @@ static void __bpf_tramp_image_put_deferred(struct work_struct *work)
im = container_of(work, struct bpf_tramp_image, work);
bpf_image_ksym_del(&im->ksym);
+ trace_android_vh_set_memory_nx((unsigned long)im->image, 1);
bpf_jit_free_exec(im->image);
bpf_jit_uncharge_modmem(1);
percpu_ref_exit(&im->pcref);
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 5a2b28e..c8ba88a 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -11158,19 +11158,33 @@ static int jit_subprogs(struct bpf_verifier_env *env)
goto out_free;
func[i]->is_func = 1;
func[i]->aux->func_idx = i;
- /* Below members will be freed only at prog->aux */
+ /* the btf and func_info will be freed only at prog->aux */
func[i]->aux->btf = prog->aux->btf;
func[i]->aux->func_info = prog->aux->func_info;
- func[i]->aux->poke_tab = prog->aux->poke_tab;
- func[i]->aux->size_poke_tab = prog->aux->size_poke_tab;
for (j = 0; j < prog->aux->size_poke_tab; j++) {
- struct bpf_jit_poke_descriptor *poke;
+ u32 insn_idx = prog->aux->poke_tab[j].insn_idx;
+ int ret;
- poke = &prog->aux->poke_tab[j];
- if (poke->insn_idx < subprog_end &&
- poke->insn_idx >= subprog_start)
- poke->aux = func[i]->aux;
+ if (!(insn_idx >= subprog_start &&
+ insn_idx <= subprog_end))
+ continue;
+
+ ret = bpf_jit_add_poke_descriptor(func[i],
+ &prog->aux->poke_tab[j]);
+ if (ret < 0) {
+ verbose(env, "adding tail call poke descriptor failed\n");
+ goto out_free;
+ }
+
+ func[i]->insnsi[insn_idx - subprog_start].imm = ret + 1;
+
+ map_ptr = func[i]->aux->poke_tab[ret].tail_call.map;
+ ret = map_ptr->ops->map_poke_track(map_ptr, func[i]->aux);
+ if (ret < 0) {
+ verbose(env, "tracking tail call prog failed\n");
+ goto out_free;
+ }
}
/* Use bpf_prog_F_tag to indicate functions in stack traces.
@@ -11200,6 +11214,18 @@ static int jit_subprogs(struct bpf_verifier_env *env)
cond_resched();
}
+ /* Untrack main program's aux structs so that during map_poke_run()
+ * we will not stumble upon the unfilled poke descriptors; each
+ * of the main program's poke descs got distributed across subprogs
+ * and got tracked onto map, so we are sure that none of them will
+ * be missed after the operation below
+ */
+ for (i = 0; i < prog->aux->size_poke_tab; i++) {
+ map_ptr = prog->aux->poke_tab[i].tail_call.map;
+
+ map_ptr->ops->map_poke_untrack(map_ptr, prog->aux);
+ }
+
/* at this point all bpf functions were successfully JITed
* now populate all bpf_calls with correct addresses and
* run last pass of JIT
@@ -11268,22 +11294,14 @@ static int jit_subprogs(struct bpf_verifier_env *env)
bpf_prog_free_unused_jited_linfo(prog);
return 0;
out_free:
- /* We failed JIT'ing, so at this point we need to unregister poke
- * descriptors from subprogs, so that kernel is not attempting to
- * patch it anymore as we're freeing the subprog JIT memory.
- */
- for (i = 0; i < prog->aux->size_poke_tab; i++) {
- map_ptr = prog->aux->poke_tab[i].tail_call.map;
- map_ptr->ops->map_poke_untrack(map_ptr, prog->aux);
- }
- /* At this point we're guaranteed that poke descriptors are not
- * live anymore. We can just unlink its descriptor table as it's
- * released with the main prog.
- */
for (i = 0; i < env->subprog_cnt; i++) {
if (!func[i])
continue;
- func[i]->aux->poke_tab = NULL;
+
+ for (j = 0; j < func[i]->aux->size_poke_tab; j++) {
+ map_ptr = func[i]->aux->poke_tab[j].tail_call.map;
+ map_ptr->ops->map_poke_untrack(map_ptr, func[i]->aux);
+ }
bpf_jit_free(func[i]);
}
kfree(func);
diff --git a/kernel/cfi.c b/kernel/cfi.c
new file mode 100644
index 0000000..44b8bda
--- /dev/null
+++ b/kernel/cfi.c
@@ -0,0 +1,352 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Clang Control Flow Integrity (CFI) error and slowpath handling.
+ *
+ * Copyright (C) 2019 Google LLC
+ */
+
+#include <linux/hardirq.h>
+#include <linux/kallsyms.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/printk.h>
+#include <linux/ratelimit.h>
+#include <linux/rcupdate.h>
+#include <linux/vmalloc.h>
+#include <asm/cacheflush.h>
+#include <asm/set_memory.h>
+
+/* Compiler-defined handler names */
+#ifdef CONFIG_CFI_PERMISSIVE
+#define cfi_failure_handler __ubsan_handle_cfi_check_fail
+#define cfi_slowpath_handler __cfi_slowpath_diag
+#else /* enforcing */
+#define cfi_failure_handler __ubsan_handle_cfi_check_fail_abort
+#define cfi_slowpath_handler __cfi_slowpath
+#endif /* CONFIG_CFI_PERMISSIVE */
+
+static inline void handle_cfi_failure(void *ptr)
+{
+ if (IS_ENABLED(CONFIG_CFI_PERMISSIVE))
+ WARN_RATELIMIT(1, "CFI failure (target: %pS):\n", ptr);
+ else
+ panic("CFI failure (target: %pS)\n", ptr);
+}
+
+#ifdef CONFIG_MODULES
+#ifdef CONFIG_CFI_CLANG_SHADOW
+/*
+ * Index type. A 16-bit index can address at most (2^16)-2 pages (taking
+ * into account SHADOW_INVALID), i.e. ~256M with 4k pages.
+ */
+typedef u16 shadow_t;
+#define SHADOW_INVALID ((shadow_t)~0UL)
+
+struct cfi_shadow {
+ /* Page index for the beginning of the shadow */
+ unsigned long base;
+ /* An array of __cfi_check locations (as indices to the shadow) */
+ shadow_t shadow[1];
+} __packed;
+
+/*
+ * The shadow covers ~128M from the beginning of the module region. If
+ * the region is larger, we fall back to __module_address for the rest.
+ */
+#define __SHADOW_RANGE (_UL(SZ_128M) >> PAGE_SHIFT)
+
+/* The in-memory size of struct cfi_shadow, always at least one page */
+#define __SHADOW_PAGES ((__SHADOW_RANGE * sizeof(shadow_t)) >> PAGE_SHIFT)
+#define SHADOW_PAGES max(1UL, __SHADOW_PAGES)
+#define SHADOW_SIZE (SHADOW_PAGES << PAGE_SHIFT)
+
+/* The actual size of the shadow array, minus metadata */
+#define SHADOW_ARR_SIZE (SHADOW_SIZE - offsetof(struct cfi_shadow, shadow))
+#define SHADOW_ARR_SLOTS (SHADOW_ARR_SIZE / sizeof(shadow_t))
+
+static DEFINE_MUTEX(shadow_update_lock);
+static struct cfi_shadow __rcu *cfi_shadow __read_mostly;
+
+/* Returns the index in the shadow for the given address */
+static inline int ptr_to_shadow(const struct cfi_shadow *s, unsigned long ptr)
+{
+ unsigned long index;
+ unsigned long page = ptr >> PAGE_SHIFT;
+
+ if (unlikely(page < s->base))
+ return -1; /* Outside of module area */
+
+ index = page - s->base;
+
+ if (index >= SHADOW_ARR_SLOTS)
+ return -1; /* Cannot be addressed with shadow */
+
+ return (int)index;
+}
+
+/* Returns the page address for an index in the shadow */
+static inline unsigned long shadow_to_ptr(const struct cfi_shadow *s,
+ int index)
+{
+ if (unlikely(index < 0 || index >= SHADOW_ARR_SLOTS))
+ return 0;
+
+ return (s->base + index) << PAGE_SHIFT;
+}
+
+/* Returns the __cfi_check function address for the given shadow location */
+static inline unsigned long shadow_to_check_fn(const struct cfi_shadow *s,
+ int index)
+{
+ if (unlikely(index < 0 || index >= SHADOW_ARR_SLOTS))
+ return 0;
+
+ if (unlikely(s->shadow[index] == SHADOW_INVALID))
+ return 0;
+
+ /* __cfi_check is always page aligned */
+ return (s->base + s->shadow[index]) << PAGE_SHIFT;
+}
+
+static void prepare_next_shadow(const struct cfi_shadow __rcu *prev,
+ struct cfi_shadow *next)
+{
+ int i, index, check;
+
+ /* Mark everything invalid */
+ memset(next->shadow, 0xFF, SHADOW_ARR_SIZE);
+
+ if (!prev)
+ return; /* No previous shadow */
+
+ /* If the base address didn't change, an update is not needed */
+ if (prev->base == next->base) {
+ memcpy(next->shadow, prev->shadow, SHADOW_ARR_SIZE);
+ return;
+ }
+
+ /* Convert the previous shadow to the new address range */
+ for (i = 0; i < SHADOW_ARR_SLOTS; ++i) {
+ if (prev->shadow[i] == SHADOW_INVALID)
+ continue;
+
+ index = ptr_to_shadow(next, shadow_to_ptr(prev, i));
+ if (index < 0)
+ continue;
+
+ check = ptr_to_shadow(next,
+ shadow_to_check_fn(prev, prev->shadow[i]));
+ if (check < 0)
+ continue;
+
+ next->shadow[index] = (shadow_t)check;
+ }
+}
+
+static void add_module_to_shadow(struct cfi_shadow *s, struct module *mod,
+ unsigned long min_addr, unsigned long max_addr)
+{
+ int check_index;
+ unsigned long check = (unsigned long)mod->cfi_check;
+ unsigned long ptr;
+
+ if (unlikely(!PAGE_ALIGNED(check))) {
+ pr_warn("cfi: not using shadow for module %s\n", mod->name);
+ return;
+ }
+
+ check_index = ptr_to_shadow(s, check);
+ if (check_index < 0)
+ return; /* Module not addressable with shadow */
+
+ /* For each page, store the check function index in the shadow */
+ for (ptr = min_addr; ptr <= max_addr; ptr += PAGE_SIZE) {
+ int index = ptr_to_shadow(s, ptr);
+
+ if (index >= 0) {
+ /* Each page must only contain one module */
+ WARN_ON_ONCE(s->shadow[index] != SHADOW_INVALID);
+ s->shadow[index] = (shadow_t)check_index;
+ }
+ }
+}
+
+static void remove_module_from_shadow(struct cfi_shadow *s, struct module *mod,
+ unsigned long min_addr, unsigned long max_addr)
+{
+ unsigned long ptr;
+
+ for (ptr = min_addr; ptr <= max_addr; ptr += PAGE_SIZE) {
+ int index = ptr_to_shadow(s, ptr);
+
+ if (index >= 0)
+ s->shadow[index] = SHADOW_INVALID;
+ }
+}
+
+typedef void (*update_shadow_fn)(struct cfi_shadow *, struct module *,
+ unsigned long min_addr, unsigned long max_addr);
+
+static void update_shadow(struct module *mod, unsigned long base_addr,
+ update_shadow_fn fn)
+{
+ struct cfi_shadow *prev;
+ struct cfi_shadow *next;
+ unsigned long min_addr, max_addr;
+
+ next = (struct cfi_shadow *)vmalloc(SHADOW_SIZE);
+ WARN_ON(!next);
+
+ mutex_lock(&shadow_update_lock);
+ prev = rcu_dereference_protected(cfi_shadow,
+ mutex_is_locked(&shadow_update_lock));
+
+ if (next) {
+ next->base = base_addr >> PAGE_SHIFT;
+ prepare_next_shadow(prev, next);
+
+ min_addr = (unsigned long)mod->core_layout.base;
+ max_addr = min_addr + mod->core_layout.text_size;
+ fn(next, mod, min_addr & PAGE_MASK, max_addr & PAGE_MASK);
+
+ set_memory_ro((unsigned long)next, SHADOW_PAGES);
+ }
+
+ rcu_assign_pointer(cfi_shadow, next);
+ mutex_unlock(&shadow_update_lock);
+ synchronize_rcu_expedited();
+
+ if (prev) {
+ set_memory_rw((unsigned long)prev, SHADOW_PAGES);
+ vfree(prev);
+ }
+}
+
+void cfi_module_add(struct module *mod, unsigned long base_addr)
+{
+ update_shadow(mod, base_addr, add_module_to_shadow);
+}
+
+void cfi_module_remove(struct module *mod, unsigned long base_addr)
+{
+ update_shadow(mod, base_addr, remove_module_from_shadow);
+}
+
+static inline cfi_check_fn ptr_to_check_fn(const struct cfi_shadow __rcu *s,
+ unsigned long ptr)
+{
+ int index;
+
+ if (unlikely(!s))
+ return NULL; /* No shadow available */
+
+ index = ptr_to_shadow(s, ptr);
+ if (index < 0)
+ return NULL; /* Cannot be addressed with shadow */
+
+ return (cfi_check_fn)shadow_to_check_fn(s, index);
+}
+
+static inline cfi_check_fn __find_shadow_check_fn(unsigned long ptr)
+{
+ cfi_check_fn fn;
+
+ rcu_read_lock_sched_notrace();
+ fn = ptr_to_check_fn(rcu_dereference_sched(cfi_shadow), ptr);
+ rcu_read_unlock_sched_notrace();
+
+ return fn;
+}
+
+#else /* !CONFIG_CFI_CLANG_SHADOW */
+
+static inline cfi_check_fn __find_shadow_check_fn(unsigned long ptr)
+{
+ return NULL;
+}
+
+#endif /* CONFIG_CFI_CLANG_SHADOW */
+
+static inline cfi_check_fn __find_module_check_fn(unsigned long ptr)
+{
+ cfi_check_fn fn = NULL;
+ struct module *mod;
+
+ rcu_read_lock_sched_notrace();
+ mod = __module_address(ptr);
+ if (mod)
+ fn = mod->cfi_check;
+ rcu_read_unlock_sched_notrace();
+
+ return fn;
+}
+
+static inline cfi_check_fn find_check_fn(unsigned long ptr)
+{
+ bool rcu;
+ cfi_check_fn fn = NULL;
+
+ /*
+ * Indirect call checks can happen when RCU is not watching. Both
+ * the shadow and __module_address use RCU, so we need to wake it
+ * up before proceeding. Use rcu_nmi_enter/exit() as these calls
+ * can happen anywhere.
+ */
+ rcu = rcu_is_watching();
+ if (!rcu)
+ rcu_nmi_enter();
+
+ if (IS_ENABLED(CONFIG_CFI_CLANG_SHADOW)) {
+ fn = __find_shadow_check_fn(ptr);
+ if (fn)
+ goto out;
+ }
+
+ if (is_kernel_text(ptr)) {
+ fn = __cfi_check;
+ goto out;
+ }
+
+ fn = __find_module_check_fn(ptr);
+
+out:
+ if (!rcu)
+ rcu_nmi_exit();
+
+ return fn;
+}
+
+void cfi_slowpath_handler(uint64_t id, void *ptr, void *diag)
+{
+ cfi_check_fn fn = find_check_fn((unsigned long)ptr);
+
+ if (!IS_ENABLED(CONFIG_CFI_PERMISSIVE))
+ diag = NULL;
+
+ if (likely(fn))
+ fn(id, ptr, diag);
+ else /* Don't allow unchecked modules */
+ handle_cfi_failure(ptr);
+}
+
+#else /* !CONFIG_MODULES */
+
+void cfi_slowpath_handler(uint64_t id, void *ptr, void *diag)
+{
+ handle_cfi_failure(ptr); /* No modules */
+}
+
+#endif /* CONFIG_MODULES */
+
+EXPORT_SYMBOL(cfi_slowpath_handler);
+
+void cfi_failure_handler(void *data, void *ptr, void *vtable)
+{
+ handle_cfi_failure(ptr);
+}
+EXPORT_SYMBOL(cfi_failure_handler);
+
+void __cfi_check_fail(void *data, void *ptr)
+{
+ handle_cfi_failure(ptr);
+}
diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h
index bfbeabc..02f32b1 100644
--- a/kernel/cgroup/cgroup-internal.h
+++ b/kernel/cgroup/cgroup-internal.h
@@ -232,7 +232,8 @@ int cgroup_migrate(struct task_struct *leader, bool threadgroup,
int cgroup_attach_task(struct cgroup *dst_cgrp, struct task_struct *leader,
bool threadgroup);
struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup,
- bool *locked)
+ bool *locked,
+ struct cgroup *dst_cgrp);
__acquires(&cgroup_threadgroup_rwsem);
void cgroup_procs_write_finish(struct task_struct *task, bool locked)
__releases(&cgroup_threadgroup_rwsem);
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 7f71b54..a1e8068 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -17,6 +17,7 @@
#include <linux/fs_parser.h>
#include <trace/events/cgroup.h>
+#include <trace/hooks/cgroup.h>
/*
* pidlists linger the following amount before being destroyed. The goal
@@ -497,7 +498,7 @@ static ssize_t __cgroup1_procs_write(struct kernfs_open_file *of,
if (!cgrp)
return -ENODEV;
- task = cgroup_procs_write_start(buf, threadgroup, &locked);
+ task = cgroup_procs_write_start(buf, threadgroup, &locked, cgrp);
ret = PTR_ERR_OR_ZERO(task);
if (ret)
goto out_unlock;
@@ -510,13 +511,15 @@ static ssize_t __cgroup1_procs_write(struct kernfs_open_file *of,
tcred = get_task_cred(task);
if (!uid_eq(cred->euid, GLOBAL_ROOT_UID) &&
!uid_eq(cred->euid, tcred->uid) &&
- !uid_eq(cred->euid, tcred->suid))
+ !uid_eq(cred->euid, tcred->suid) &&
+ !ns_capable(tcred->user_ns, CAP_SYS_NICE))
ret = -EACCES;
put_cred(tcred);
if (ret)
goto out_finish;
ret = cgroup_attach_task(cgrp, task, threadgroup);
+ trace_android_vh_cgroup_set_task(ret, task);
out_finish:
cgroup_procs_write_finish(task, locked);
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index a86857e..6139460 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -61,6 +61,9 @@
#define CREATE_TRACE_POINTS
#include <trace/events/cgroup.h>
+#undef CREATE_TRACE_POINTS
+
+#include <trace/hooks/cgroup.h>
#define CGROUP_FILE_NAME_MAX (MAX_CGROUP_TYPE_NAMELEN + \
MAX_CFTYPE_NAME + 2)
@@ -209,6 +212,22 @@ struct cgroup_namespace init_cgroup_ns = {
static struct file_system_type cgroup2_fs_type;
static struct cftype cgroup_base_files[];
+/* cgroup optional features */
+enum cgroup_opt_features {
+#ifdef CONFIG_PSI
+ OPT_FEATURE_PRESSURE,
+#endif
+ OPT_FEATURE_COUNT
+};
+
+static const char *cgroup_opt_feature_names[OPT_FEATURE_COUNT] = {
+#ifdef CONFIG_PSI
+ "pressure",
+#endif
+};
+
+static u16 cgroup_feature_disable_mask __read_mostly;
+
static int cgroup_apply_control(struct cgroup *cgrp);
static void cgroup_finalize_control(struct cgroup *cgrp, int ret);
static void css_task_iter_skip(struct css_task_iter *it,
@@ -2356,6 +2375,7 @@ struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset,
return cgroup_taskset_next(tset, dst_cssp);
}
+EXPORT_SYMBOL_GPL(cgroup_taskset_first);
/**
* cgroup_taskset_next - iterate to the next task in taskset
@@ -2402,6 +2422,7 @@ struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset,
return NULL;
}
+EXPORT_SYMBOL_GPL(cgroup_taskset_next);
/**
* cgroup_taskset_migrate - migrate a taskset
@@ -2472,6 +2493,7 @@ static int cgroup_migrate_execute(struct cgroup_mgctx *mgctx)
do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {
if (ss->attach) {
tset->ssid = ssid;
+ trace_android_vh_cgroup_attach(ss, tset);
ss->attach(tset);
}
} while_each_subsys_mask();
@@ -2772,11 +2794,13 @@ int cgroup_attach_task(struct cgroup *dst_cgrp, struct task_struct *leader,
}
struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup,
- bool *locked)
+ bool *locked,
+ struct cgroup *dst_cgrp)
__acquires(&cgroup_threadgroup_rwsem)
{
struct task_struct *tsk;
pid_t pid;
+ bool force_migration = false;
if (kstrtoint(strstrip(buf), 0, &pid) || pid < 0)
return ERR_PTR(-EINVAL);
@@ -2811,13 +2835,16 @@ struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup,
if (threadgroup)
tsk = tsk->group_leader;
+ if (tsk->flags & PF_KTHREAD)
+ trace_android_rvh_cgroup_force_kthread_migration(tsk, dst_cgrp, &force_migration);
+
/*
* kthreads may acquire PF_NO_SETAFFINITY during initialization.
* If userland migrates such a kthread to a non-root cgroup, it can
* become trapped in a cpuset, or RT kthread may be born in a
* cgroup with no rt_runtime allocated. Just say no.
*/
- if (tsk->no_cgroup_migration || (tsk->flags & PF_NO_SETAFFINITY)) {
+ if (!force_migration && (tsk->no_cgroup_migration || (tsk->flags & PF_NO_SETAFFINITY))) {
tsk = ERR_PTR(-EINVAL);
goto out_unlock_threadgroup;
}
@@ -3646,6 +3673,18 @@ static void cgroup_pressure_release(struct kernfs_open_file *of)
{
psi_trigger_replace(&of->priv, NULL);
}
+
+bool cgroup_psi_enabled(void)
+{
+ return (cgroup_feature_disable_mask & (1 << OPT_FEATURE_PRESSURE)) == 0;
+}
+
+#else /* CONFIG_PSI */
+bool cgroup_psi_enabled(void)
+{
+ return false;
+}
+
#endif /* CONFIG_PSI */
static int cgroup_freeze_show(struct seq_file *seq, void *v)
@@ -3896,6 +3935,8 @@ static int cgroup_addrm_files(struct cgroup_subsys_state *css,
restart:
for (cft = cfts; cft != cft_end && cft->name[0] != '\0'; cft++) {
/* does cft->flags tell us to skip this file on @cgrp? */
+ if ((cft->flags & CFTYPE_PRESSURE) && !cgroup_psi_enabled())
+ continue;
if ((cft->flags & __CFTYPE_ONLY_ON_DFL) && !cgroup_on_dfl(cgrp))
continue;
if ((cft->flags & __CFTYPE_NOT_ON_DFL) && cgroup_on_dfl(cgrp))
@@ -3973,6 +4014,9 @@ static int cgroup_init_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
WARN_ON(cft->ss || cft->kf_ops);
+ if ((cft->flags & CFTYPE_PRESSURE) && !cgroup_psi_enabled())
+ continue;
+
if (cft->seq_start)
kf_ops = &cgroup_kf_ops;
else
@@ -4104,6 +4148,7 @@ int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
cft->flags |= __CFTYPE_NOT_ON_DFL;
return cgroup_add_cftypes(ss, cfts);
}
+EXPORT_SYMBOL_GPL(cgroup_add_legacy_cftypes);
/**
* cgroup_file_notify - generate a file modified event for a cgroup_file
@@ -4193,6 +4238,7 @@ struct cgroup_subsys_state *css_next_child(struct cgroup_subsys_state *pos,
return next;
return NULL;
}
+EXPORT_SYMBOL_GPL(css_next_child);
/**
* css_next_descendant_pre - find the next descendant for pre-order walk
@@ -4768,7 +4814,7 @@ static ssize_t cgroup_procs_write(struct kernfs_open_file *of,
if (!dst_cgrp)
return -ENODEV;
- task = cgroup_procs_write_start(buf, true, &locked);
+ task = cgroup_procs_write_start(buf, true, &locked, dst_cgrp);
ret = PTR_ERR_OR_ZERO(task);
if (ret)
goto out_unlock;
@@ -4812,7 +4858,7 @@ static ssize_t cgroup_threads_write(struct kernfs_open_file *of,
if (!dst_cgrp)
return -ENODEV;
- task = cgroup_procs_write_start(buf, false, &locked);
+ task = cgroup_procs_write_start(buf, false, &locked, dst_cgrp);
ret = PTR_ERR_OR_ZERO(task);
if (ret)
goto out_unlock;
@@ -4908,6 +4954,7 @@ static struct cftype cgroup_base_files[] = {
#ifdef CONFIG_PSI
{
.name = "io.pressure",
+ .flags = CFTYPE_PRESSURE,
.seq_show = cgroup_io_pressure_show,
.write = cgroup_io_pressure_write,
.poll = cgroup_pressure_poll,
@@ -4915,6 +4962,7 @@ static struct cftype cgroup_base_files[] = {
},
{
.name = "memory.pressure",
+ .flags = CFTYPE_PRESSURE,
.seq_show = cgroup_memory_pressure_show,
.write = cgroup_memory_pressure_write,
.poll = cgroup_pressure_poll,
@@ -4922,6 +4970,7 @@ static struct cftype cgroup_base_files[] = {
},
{
.name = "cpu.pressure",
+ .flags = CFTYPE_PRESSURE,
.seq_show = cgroup_cpu_pressure_show,
.write = cgroup_cpu_pressure_write,
.poll = cgroup_pressure_poll,
@@ -6269,6 +6318,15 @@ static int __init cgroup_disable(char *str)
pr_info("Disabling %s control group subsystem\n",
ss->name);
}
+
+ for (i = 0; i < OPT_FEATURE_COUNT; i++) {
+ if (strcmp(token, cgroup_opt_feature_names[i]))
+ continue;
+ cgroup_feature_disable_mask |= 1 << i;
+ pr_info("Disabling %s control group feature\n",
+ cgroup_opt_feature_names[i]);
+ break;
+ }
}
return 1;
}
@@ -6567,6 +6625,9 @@ static ssize_t show_delegatable_files(struct cftype *files, char *buf,
if (!(cft->flags & CFTYPE_NS_DELEGATABLE))
continue;
+ if ((cft->flags & CFTYPE_PRESSURE) && !cgroup_psi_enabled())
+ continue;
+
if (prefix)
ret += snprintf(buf + ret, size - ret, "%s.", prefix);
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index 1999fce..a49b159 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -66,6 +66,9 @@
#include <linux/cgroup.h>
#include <linux/wait.h>
+#include <trace/hooks/sched.h>
+#include <trace/hooks/cgroup.h>
+
DEFINE_STATIC_KEY_FALSE(cpusets_pre_enable_key);
DEFINE_STATIC_KEY_FALSE(cpusets_enabled_key);
@@ -105,6 +108,7 @@ struct cpuset {
/* user-configured CPUs and Memory Nodes allow to tasks */
cpumask_var_t cpus_allowed;
+ cpumask_var_t cpus_requested;
nodemask_t mems_allowed;
/* effective CPUs and Memory Nodes allow to tasks */
@@ -333,26 +337,15 @@ static struct cpuset top_cpuset = {
* guidelines for accessing subsystem state in kernel/cgroup.c
*/
-DEFINE_STATIC_PERCPU_RWSEM(cpuset_rwsem);
-
-void cpuset_read_lock(void)
-{
- percpu_down_read(&cpuset_rwsem);
-}
-
-void cpuset_read_unlock(void)
-{
- percpu_up_read(&cpuset_rwsem);
-}
-
+static DEFINE_MUTEX(cpuset_mutex);
static DEFINE_SPINLOCK(callback_lock);
static struct workqueue_struct *cpuset_migrate_mm_wq;
/*
- * CPU / memory hotplug is handled asynchronously.
+ * CPU / memory hotplug is handled asynchronously
+ * for hotplug, synchronously for resume_cpus
*/
-static void cpuset_hotplug_workfn(struct work_struct *work);
static DECLARE_WORK(cpuset_hotplug_work, cpuset_hotplug_workfn);
static DECLARE_WAIT_QUEUE_HEAD(cpuset_attach_wq);
@@ -372,18 +365,29 @@ static inline bool is_in_v2_mode(void)
}
/*
- * Return in pmask the portion of a cpusets's cpus_allowed that
- * are online. If none are online, walk up the cpuset hierarchy
- * until we find one that does have some online cpus.
+ * Return in pmask the portion of a task's cpusets's cpus_allowed that
+ * are online and are capable of running the task. If none are found,
+ * walk up the cpuset hierarchy until we find one that does have some
+ * appropriate cpus.
*
* One way or another, we guarantee to return some non-empty subset
- * of cpu_online_mask.
+ * of cpu_active_mask.
*
* Call with callback_lock or cpuset_mutex held.
*/
-static void guarantee_online_cpus(struct cpuset *cs, struct cpumask *pmask)
+static void guarantee_online_cpus(struct task_struct *tsk,
+ struct cpumask *pmask)
{
- while (!cpumask_intersects(cs->effective_cpus, cpu_online_mask)) {
+ const struct cpumask *possible_mask = task_cpu_possible_mask(tsk);
+ struct cpuset *cs;
+
+ if (WARN_ON(!cpumask_and(pmask, possible_mask, cpu_active_mask)))
+ cpumask_copy(pmask, cpu_active_mask);
+
+ rcu_read_lock();
+ cs = task_cs(tsk);
+
+ while (!cpumask_intersects(cs->effective_cpus, pmask)) {
cs = parent_cs(cs);
if (unlikely(!cs)) {
/*
@@ -393,11 +397,13 @@ static void guarantee_online_cpus(struct cpuset *cs, struct cpumask *pmask)
* cpuset's effective_cpus is on its way to be
* identical to cpu_online_mask.
*/
- cpumask_copy(pmask, cpu_online_mask);
- return;
+ goto out_unlock;
}
}
- cpumask_and(pmask, cs->effective_cpus, cpu_online_mask);
+ cpumask_and(pmask, pmask, cs->effective_cpus);
+
+out_unlock:
+ rcu_read_unlock();
}
/*
@@ -447,7 +453,7 @@ static void cpuset_update_task_spread_flag(struct cpuset *cs,
static int is_cpuset_subset(const struct cpuset *p, const struct cpuset *q)
{
- return cpumask_subset(p->cpus_allowed, q->cpus_allowed) &&
+ return cpumask_subset(p->cpus_requested, q->cpus_requested) &&
nodes_subset(p->mems_allowed, q->mems_allowed) &&
is_cpu_exclusive(p) <= is_cpu_exclusive(q) &&
is_mem_exclusive(p) <= is_mem_exclusive(q);
@@ -484,8 +490,13 @@ static inline int alloc_cpumasks(struct cpuset *cs, struct tmpmasks *tmp)
if (!zalloc_cpumask_var(pmask3, GFP_KERNEL))
goto free_two;
+ if (cs && !zalloc_cpumask_var(&cs->cpus_requested, GFP_KERNEL))
+ goto free_three;
+
return 0;
+free_three:
+ free_cpumask_var(*pmask3);
free_two:
free_cpumask_var(*pmask2);
free_one:
@@ -502,6 +513,7 @@ static inline void free_cpumasks(struct cpuset *cs, struct tmpmasks *tmp)
{
if (cs) {
free_cpumask_var(cs->cpus_allowed);
+ free_cpumask_var(cs->cpus_requested);
free_cpumask_var(cs->effective_cpus);
free_cpumask_var(cs->subparts_cpus);
}
@@ -530,6 +542,7 @@ static struct cpuset *alloc_trial_cpuset(struct cpuset *cs)
}
cpumask_copy(trial->cpus_allowed, cs->cpus_allowed);
+ cpumask_copy(trial->cpus_requested, cs->cpus_requested);
cpumask_copy(trial->effective_cpus, cs->effective_cpus);
return trial;
}
@@ -598,7 +611,7 @@ static int validate_change(struct cpuset *cur, struct cpuset *trial)
cpuset_for_each_child(c, css, par) {
if ((is_cpu_exclusive(trial) || is_cpu_exclusive(c)) &&
c != cur &&
- cpumask_intersects(trial->cpus_allowed, c->cpus_allowed))
+ cpumask_intersects(trial->cpus_requested, c->cpus_requested))
goto out;
if ((is_mem_exclusive(trial) || is_mem_exclusive(c)) &&
c != cur &&
@@ -929,7 +942,7 @@ static void rebuild_root_domains(void)
struct cpuset *cs = NULL;
struct cgroup_subsys_state *pos_css;
- percpu_rwsem_assert_held(&cpuset_rwsem);
+ lockdep_assert_held(&cpuset_mutex);
lockdep_assert_cpus_held();
lockdep_assert_held(&sched_domains_mutex);
@@ -989,8 +1002,7 @@ static void rebuild_sched_domains_locked(void)
struct cpuset *cs;
int ndoms;
- lockdep_assert_cpus_held();
- percpu_rwsem_assert_held(&cpuset_rwsem);
+ lockdep_assert_held(&cpuset_mutex);
/*
* If we have raced with CPU hotplug, return early to avoid
@@ -1041,12 +1053,24 @@ static void rebuild_sched_domains_locked(void)
void rebuild_sched_domains(void)
{
get_online_cpus();
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
rebuild_sched_domains_locked();
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
put_online_cpus();
}
+static int update_cpus_allowed(struct cpuset *cs, struct task_struct *p,
+ const struct cpumask *new_mask)
+{
+ int ret = -EINVAL;
+
+ trace_android_rvh_update_cpus_allowed(p, cs->cpus_requested, new_mask, &ret);
+ if (!ret)
+ return ret;
+
+ return set_cpus_allowed_ptr(p, new_mask);
+}
+
/**
* update_tasks_cpumask - Update the cpumasks of tasks in the cpuset.
* @cs: the cpuset in which each task's cpus_allowed mask needs to be changed
@@ -1062,7 +1086,7 @@ static void update_tasks_cpumask(struct cpuset *cs)
css_task_iter_start(&cs->css, 0, &it);
while ((task = css_task_iter_next(&it)))
- set_cpus_allowed_ptr(task, cs->effective_cpus);
+ update_cpus_allowed(cs, task, cs->effective_cpus);
css_task_iter_end(&it);
}
@@ -1083,10 +1107,10 @@ static void compute_effective_cpumask(struct cpumask *new_cpus,
if (parent->nr_subparts_cpus) {
cpumask_or(new_cpus, parent->effective_cpus,
parent->subparts_cpus);
- cpumask_and(new_cpus, new_cpus, cs->cpus_allowed);
+ cpumask_and(new_cpus, new_cpus, cs->cpus_requested);
cpumask_and(new_cpus, new_cpus, cpu_active_mask);
} else {
- cpumask_and(new_cpus, cs->cpus_allowed, parent->effective_cpus);
+ cpumask_and(new_cpus, cs->cpus_requested, parent_cs(cs)->effective_cpus);
}
}
@@ -1151,7 +1175,7 @@ static int update_parent_subparts_cpumask(struct cpuset *cpuset, int cmd,
int new_prs;
bool part_error = false; /* Partition error? */
- percpu_rwsem_assert_held(&cpuset_rwsem);
+ lockdep_assert_held(&cpuset_mutex);
/*
* The parent must be a partition root.
@@ -1515,25 +1539,26 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,
return -EACCES;
/*
- * An empty cpus_allowed is ok only if the cpuset has no tasks.
+ * An empty cpus_requested is ok only if the cpuset has no tasks.
* Since cpulist_parse() fails on an empty mask, we special case
* that parsing. The validate_change() call ensures that cpusets
* with tasks have cpus.
*/
if (!*buf) {
- cpumask_clear(trialcs->cpus_allowed);
+ cpumask_clear(trialcs->cpus_requested);
} else {
- retval = cpulist_parse(buf, trialcs->cpus_allowed);
+ retval = cpulist_parse(buf, trialcs->cpus_requested);
if (retval < 0)
return retval;
-
- if (!cpumask_subset(trialcs->cpus_allowed,
- top_cpuset.cpus_allowed))
- return -EINVAL;
}
+ if (!cpumask_subset(trialcs->cpus_requested, cpu_present_mask))
+ return -EINVAL;
+
+ cpumask_and(trialcs->cpus_allowed, trialcs->cpus_requested, cpu_active_mask);
+
/* Nothing to do if the cpus didn't change */
- if (cpumask_equal(cs->cpus_allowed, trialcs->cpus_allowed))
+ if (cpumask_equal(cs->cpus_requested, trialcs->cpus_requested))
return 0;
retval = validate_change(cs, trialcs);
@@ -1561,6 +1586,7 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,
spin_lock_irq(&callback_lock);
cpumask_copy(cs->cpus_allowed, trialcs->cpus_allowed);
+ cpumask_copy(cs->cpus_requested, trialcs->cpus_requested);
/*
* Make sure that subparts_cpus is a subset of cpus_allowed.
@@ -2144,7 +2170,7 @@ static int cpuset_can_attach(struct cgroup_taskset *tset)
cpuset_attach_old_cs = task_cs(cgroup_taskset_first(tset, &css));
cs = css_cs(css);
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
/* allow moving tasks into an empty cpuset if on default hierarchy */
ret = -ENOSPC;
@@ -2168,7 +2194,7 @@ static int cpuset_can_attach(struct cgroup_taskset *tset)
cs->attach_in_progress++;
ret = 0;
out_unlock:
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
return ret;
}
@@ -2178,9 +2204,9 @@ static void cpuset_cancel_attach(struct cgroup_taskset *tset)
cgroup_taskset_first(tset, &css);
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
css_cs(css)->attach_in_progress--;
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
}
/*
@@ -2203,22 +2229,20 @@ static void cpuset_attach(struct cgroup_taskset *tset)
cgroup_taskset_first(tset, &css);
cs = css_cs(css);
- percpu_down_write(&cpuset_rwsem);
-
- /* prepare for attach */
- if (cs == &top_cpuset)
- cpumask_copy(cpus_attach, cpu_possible_mask);
- else
- guarantee_online_cpus(cs, cpus_attach);
+ mutex_lock(&cpuset_mutex);
guarantee_online_mems(cs, &cpuset_attach_nodemask_to);
cgroup_taskset_for_each(task, css, tset) {
+ if (cs != &top_cpuset)
+ guarantee_online_cpus(task, cpus_attach);
+ else
+ cpumask_copy(cpus_attach, task_cpu_possible_mask(task));
/*
* can_attach beforehand should guarantee that this doesn't
* fail. TODO: have a better way to handle failure here
*/
- WARN_ON_ONCE(set_cpus_allowed_ptr(task, cpus_attach));
+ WARN_ON_ONCE(update_cpus_allowed(cs, task, cpus_attach));
cpuset_change_task_nodemask(task, &cpuset_attach_nodemask_to);
cpuset_update_task_spread_flag(cs, task);
@@ -2257,7 +2281,7 @@ static void cpuset_attach(struct cgroup_taskset *tset)
if (!cs->attach_in_progress)
wake_up(&cpuset_attach_wq);
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
}
/* The various types of files and directories in a cpuset file system */
@@ -2289,7 +2313,7 @@ static int cpuset_write_u64(struct cgroup_subsys_state *css, struct cftype *cft,
int retval = 0;
get_online_cpus();
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
if (!is_cpuset_online(cs)) {
retval = -ENODEV;
goto out_unlock;
@@ -2325,7 +2349,7 @@ static int cpuset_write_u64(struct cgroup_subsys_state *css, struct cftype *cft,
break;
}
out_unlock:
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
put_online_cpus();
return retval;
}
@@ -2338,7 +2362,7 @@ static int cpuset_write_s64(struct cgroup_subsys_state *css, struct cftype *cft,
int retval = -ENODEV;
get_online_cpus();
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
if (!is_cpuset_online(cs))
goto out_unlock;
@@ -2351,7 +2375,7 @@ static int cpuset_write_s64(struct cgroup_subsys_state *css, struct cftype *cft,
break;
}
out_unlock:
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
put_online_cpus();
return retval;
}
@@ -2392,7 +2416,7 @@ static ssize_t cpuset_write_resmask(struct kernfs_open_file *of,
flush_work(&cpuset_hotplug_work);
get_online_cpus();
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
if (!is_cpuset_online(cs))
goto out_unlock;
@@ -2416,7 +2440,7 @@ static ssize_t cpuset_write_resmask(struct kernfs_open_file *of,
free_cpuset(trialcs);
out_unlock:
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
put_online_cpus();
kernfs_unbreak_active_protection(of->kn);
css_put(&cs->css);
@@ -2442,7 +2466,7 @@ static int cpuset_common_seq_show(struct seq_file *sf, void *v)
switch (type) {
case FILE_CPULIST:
- seq_printf(sf, "%*pbl\n", cpumask_pr_args(cs->cpus_allowed));
+ seq_printf(sf, "%*pbl\n", cpumask_pr_args(cs->cpus_requested));
break;
case FILE_MEMLIST:
seq_printf(sf, "%*pbl\n", nodemask_pr_args(&cs->mems_allowed));
@@ -2549,13 +2573,13 @@ static ssize_t sched_partition_write(struct kernfs_open_file *of, char *buf,
css_get(&cs->css);
get_online_cpus();
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
if (!is_cpuset_online(cs))
goto out_unlock;
retval = update_prstate(cs, val);
out_unlock:
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
put_online_cpus();
css_put(&cs->css);
return retval ?: nbytes;
@@ -2763,7 +2787,7 @@ static int cpuset_css_online(struct cgroup_subsys_state *css)
return 0;
get_online_cpus();
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
set_bit(CS_ONLINE, &cs->flags);
if (is_spread_page(parent))
@@ -2811,10 +2835,11 @@ static int cpuset_css_online(struct cgroup_subsys_state *css)
cs->mems_allowed = parent->mems_allowed;
cs->effective_mems = parent->mems_allowed;
cpumask_copy(cs->cpus_allowed, parent->cpus_allowed);
+ cpumask_copy(cs->cpus_requested, parent->cpus_requested);
cpumask_copy(cs->effective_cpus, parent->cpus_allowed);
spin_unlock_irq(&callback_lock);
out_unlock:
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
put_online_cpus();
return 0;
}
@@ -2835,7 +2860,7 @@ static void cpuset_css_offline(struct cgroup_subsys_state *css)
struct cpuset *cs = css_cs(css);
get_online_cpus();
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
if (is_partition_root(cs))
update_prstate(cs, 0);
@@ -2854,7 +2879,7 @@ static void cpuset_css_offline(struct cgroup_subsys_state *css)
cpuset_dec();
clear_bit(CS_ONLINE, &cs->flags);
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
put_online_cpus();
}
@@ -2867,7 +2892,7 @@ static void cpuset_css_free(struct cgroup_subsys_state *css)
static void cpuset_bind(struct cgroup_subsys_state *root_css)
{
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
spin_lock_irq(&callback_lock);
if (is_in_v2_mode()) {
@@ -2880,7 +2905,7 @@ static void cpuset_bind(struct cgroup_subsys_state *root_css)
}
spin_unlock_irq(&callback_lock);
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
}
/*
@@ -2890,10 +2915,13 @@ static void cpuset_bind(struct cgroup_subsys_state *root_css)
*/
static void cpuset_fork(struct task_struct *task)
{
+ int inherit_cpus = 0;
if (task_css_is_root(task, cpuset_cgrp_id))
return;
- set_cpus_allowed_ptr(task, current->cpus_ptr);
+ trace_android_rvh_cpuset_fork(task, &inherit_cpus);
+ if (!inherit_cpus)
+ set_cpus_allowed_ptr(task, current->cpus_ptr);
task->mems_allowed = current->mems_allowed;
}
@@ -2922,13 +2950,13 @@ struct cgroup_subsys cpuset_cgrp_subsys = {
int __init cpuset_init(void)
{
- BUG_ON(percpu_init_rwsem(&cpuset_rwsem));
-
BUG_ON(!alloc_cpumask_var(&top_cpuset.cpus_allowed, GFP_KERNEL));
BUG_ON(!alloc_cpumask_var(&top_cpuset.effective_cpus, GFP_KERNEL));
BUG_ON(!zalloc_cpumask_var(&top_cpuset.subparts_cpus, GFP_KERNEL));
+ BUG_ON(!alloc_cpumask_var(&top_cpuset.cpus_requested, GFP_KERNEL));
cpumask_setall(top_cpuset.cpus_allowed);
+ cpumask_setall(top_cpuset.cpus_requested);
nodes_setall(top_cpuset.mems_allowed);
cpumask_setall(top_cpuset.effective_cpus);
nodes_setall(top_cpuset.effective_mems);
@@ -2995,7 +3023,7 @@ hotplug_update_tasks_legacy(struct cpuset *cs,
is_empty = cpumask_empty(cs->cpus_allowed) ||
nodes_empty(cs->mems_allowed);
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
/*
* Move tasks to the nearest ancestor with execution resources,
@@ -3005,7 +3033,7 @@ hotplug_update_tasks_legacy(struct cpuset *cs,
if (is_empty)
remove_tasks_in_empty_cpuset(cs);
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
}
static void
@@ -3055,14 +3083,14 @@ static void cpuset_hotplug_update_tasks(struct cpuset *cs, struct tmpmasks *tmp)
retry:
wait_event(cpuset_attach_wq, cs->attach_in_progress == 0);
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
/*
* We have raced with task attaching. We wait until attaching
* is finished, so we won't attach a task to an empty cpuset.
*/
if (cs->attach_in_progress) {
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
goto retry;
}
@@ -3134,7 +3162,7 @@ static void cpuset_hotplug_update_tasks(struct cpuset *cs, struct tmpmasks *tmp)
hotplug_update_tasks_legacy(cs, &new_cpus, &new_mems,
cpus_updated, mems_updated);
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
}
/**
@@ -3153,7 +3181,7 @@ static void cpuset_hotplug_update_tasks(struct cpuset *cs, struct tmpmasks *tmp)
* Note that CPU offlining during suspend is ignored. We don't modify
* cpusets across suspend/resume cycles at all.
*/
-static void cpuset_hotplug_workfn(struct work_struct *work)
+void cpuset_hotplug_workfn(struct work_struct *work)
{
static cpumask_t new_cpus;
static nodemask_t new_mems;
@@ -3164,7 +3192,7 @@ static void cpuset_hotplug_workfn(struct work_struct *work)
if (on_dfl && !alloc_cpumasks(NULL, &tmp))
ptmp = &tmp;
- percpu_down_write(&cpuset_rwsem);
+ mutex_lock(&cpuset_mutex);
/* fetch the available cpus/mems and find out which changed how */
cpumask_copy(&new_cpus, cpu_active_mask);
@@ -3221,7 +3249,7 @@ static void cpuset_hotplug_workfn(struct work_struct *work)
update_tasks_nodemask(&top_cpuset);
}
- percpu_up_write(&cpuset_rwsem);
+ mutex_unlock(&cpuset_mutex);
/* if cpus or mems changed, we need to propagate to descendants */
if (cpus_updated || mems_updated) {
@@ -3261,10 +3289,16 @@ void cpuset_update_active_cpus(void)
schedule_work(&cpuset_hotplug_work);
}
+void cpuset_update_active_cpus_affine(int cpu)
+{
+ schedule_work_on(cpu, &cpuset_hotplug_work);
+}
+
void cpuset_wait_for_hotplug(void)
{
flush_work(&cpuset_hotplug_work);
}
+EXPORT_SYMBOL_GPL(cpuset_wait_for_hotplug);
/*
* Keep top_cpuset.mems_allowed tracking node_states[N_MEMORY].
@@ -3320,11 +3354,11 @@ void cpuset_cpus_allowed(struct task_struct *tsk, struct cpumask *pmask)
spin_lock_irqsave(&callback_lock, flags);
rcu_read_lock();
- guarantee_online_cpus(task_cs(tsk), pmask);
+ guarantee_online_cpus(tsk, pmask);
rcu_read_unlock();
spin_unlock_irqrestore(&callback_lock, flags);
}
-
+EXPORT_SYMBOL_GPL(cpuset_cpus_allowed);
/**
* cpuset_cpus_allowed_fallback - final fallback before complete catastrophe.
* @tsk: pointer to task_struct with which the scheduler is struggling
@@ -3339,9 +3373,17 @@ void cpuset_cpus_allowed(struct task_struct *tsk, struct cpumask *pmask)
void cpuset_cpus_allowed_fallback(struct task_struct *tsk)
{
+ const struct cpumask *possible_mask = task_cpu_possible_mask(tsk);
+ const struct cpumask *cs_mask;
+
rcu_read_lock();
- do_set_cpus_allowed(tsk, is_in_v2_mode() ?
- task_cs(tsk)->cpus_allowed : cpu_possible_mask);
+ cs_mask = task_cs(tsk)->cpus_allowed;
+
+ if (!is_in_v2_mode() || !cpumask_subset(cs_mask, possible_mask))
+ goto unlock; /* select_fallback_rq will try harder */
+
+ do_set_cpus_allowed(tsk, cs_mask);
+unlock:
rcu_read_unlock();
/*
diff --git a/kernel/cgroup/legacy_freezer.c b/kernel/cgroup/legacy_freezer.c
index 0823679..081d026 100644
--- a/kernel/cgroup/legacy_freezer.c
+++ b/kernel/cgroup/legacy_freezer.c
@@ -479,3 +479,4 @@ struct cgroup_subsys freezer_cgrp_subsys = {
.fork = freezer_fork,
.legacy_cftypes = files,
};
+EXPORT_SYMBOL_GPL(freezer_cgrp_subsys);
diff --git a/kernel/cpu.c b/kernel/cpu.c
index c06ced1..4648410 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -34,11 +34,16 @@
#include <linux/scs.h>
#include <linux/percpu-rwsem.h>
#include <linux/cpuset.h>
+#include <uapi/linux/sched/types.h>
#include <trace/events/power.h>
#define CREATE_TRACE_POINTS
#include <trace/events/cpuhp.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/sched.h>
+#include <trace/hooks/cpu.h>
+
#include "smpboot.h"
/**
@@ -274,11 +279,13 @@ void cpu_maps_update_begin(void)
{
mutex_lock(&cpu_add_remove_lock);
}
+EXPORT_SYMBOL_GPL(cpu_maps_update_begin);
void cpu_maps_update_done(void)
{
mutex_unlock(&cpu_add_remove_lock);
}
+EXPORT_SYMBOL_GPL(cpu_maps_update_done);
/*
* If set, cpu_up and cpu_down will return -EBUSY and do nothing.
@@ -1053,7 +1060,7 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen,
struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
int prev_state, ret = 0;
- if (num_online_cpus() == 1)
+ if (num_active_cpus() == 1 && cpu_active(cpu))
return -EBUSY;
if (!cpu_present(cpu))
@@ -1120,6 +1127,8 @@ static int cpu_down(unsigned int cpu, enum cpuhp_state target)
{
int err;
+ trace_android_vh_cpu_down(cpu);
+
cpu_maps_update_begin();
err = cpu_down_maps_locked(cpu, target);
cpu_maps_update_done();
@@ -1151,6 +1160,251 @@ int remove_cpu(unsigned int cpu)
}
EXPORT_SYMBOL_GPL(remove_cpu);
+extern bool dl_cpu_busy(unsigned int cpu);
+
+int __pause_drain_rq(struct cpumask *cpus)
+{
+ unsigned int cpu;
+ int err = 0;
+
+ /*
+ * Disabling preemption avoids that one of the stopper, started from
+ * sched_cpu_drain_rq(), blocks firing draining for the whole cpumask.
+ */
+ preempt_disable();
+ for_each_cpu(cpu, cpus) {
+ err = sched_cpu_drain_rq(cpu);
+ if (err)
+ break;
+ }
+ preempt_enable();
+
+ return err;
+}
+
+void __wait_drain_rq(struct cpumask *cpus)
+{
+ unsigned int cpu;
+
+ for_each_cpu(cpu, cpus)
+ sched_cpu_drain_rq_wait(cpu);
+}
+
+/* if rt task, set to cfs and return previous prio */
+static int pause_reduce_prio(void)
+{
+ int prev_prio = -1;
+
+ if (current->prio < MAX_RT_PRIO) {
+ struct sched_param param = { .sched_priority = 0 };
+
+ prev_prio = current->prio;
+ sched_setscheduler_nocheck(current, SCHED_NORMAL, ¶m);
+ }
+
+ return prev_prio;
+}
+
+/* if previous prio was set, restore */
+static void pause_restore_prio(int prev_prio)
+{
+ if (prev_prio >= 0 && prev_prio < MAX_RT_PRIO) {
+ struct sched_param param = { .sched_priority = MAX_RT_PRIO-1-prev_prio };
+
+ sched_setscheduler_nocheck(current, SCHED_FIFO, ¶m);
+ }
+}
+
+int pause_cpus(struct cpumask *cpus)
+{
+ int err = 0;
+ int cpu;
+ u64 start_time = 0;
+ int prev_prio;
+
+ start_time = sched_clock();
+
+ cpu_maps_update_begin();
+
+ if (cpu_hotplug_disabled) {
+ err = -EBUSY;
+ goto err_cpu_maps_update;
+ }
+
+ /* Pausing an already inactive CPU isn't an error */
+ cpumask_and(cpus, cpus, cpu_active_mask);
+
+ for_each_cpu(cpu, cpus) {
+ if (!cpu_online(cpu) || dl_cpu_busy(cpu) ||
+ get_cpu_device(cpu)->offline_disabled == true) {
+ err = -EBUSY;
+ goto err_cpu_maps_update;
+ }
+ }
+
+ if (cpumask_weight(cpus) >= num_active_cpus()) {
+ err = -EBUSY;
+ goto err_cpu_maps_update;
+ }
+
+ if (cpumask_empty(cpus))
+ goto err_cpu_maps_update;
+
+ /*
+ * Lazy migration:
+ *
+ * We do care about how fast a CPU can go idle and stay this in this
+ * state. If we try to take the cpus_write_lock() here, we would have
+ * to wait for a few dozens of ms, as this function might schedule.
+ * However, we can, as a first step, flip the active mask and migrate
+ * anything currently on the run-queue, to give a chance to the paused
+ * CPUs to reach quickly an idle state. There's a risk meanwhile for
+ * another CPU to observe an out-of-date active_mask or to incompletely
+ * update a cpuset. Both problems would be resolved later in the slow
+ * path, which ensures active_mask synchronization, triggers a cpuset
+ * rebuild and migrate any task that would have escaped the lazy
+ * migration.
+ */
+ for_each_cpu(cpu, cpus)
+ set_cpu_active(cpu, false);
+ err = __pause_drain_rq(cpus);
+ if (err) {
+ __wait_drain_rq(cpus);
+ for_each_cpu(cpu, cpus)
+ set_cpu_active(cpu, true);
+ goto err_cpu_maps_update;
+ }
+
+ prev_prio = pause_reduce_prio();
+
+ /*
+ * Slow path deactivation:
+ *
+ * Now that paused CPUs are most likely idle, we can go through a
+ * complete scheduler deactivation.
+ *
+ * The cpu_active_mask being already set and cpus_write_lock calling
+ * synchronize_rcu(), we know that all preempt-disabled and RCU users
+ * will observe the updated value.
+ */
+ cpus_write_lock();
+
+ __wait_drain_rq(cpus);
+
+ cpuhp_tasks_frozen = 0;
+
+ if (sched_cpus_deactivate_nosync(cpus)) {
+ err = -EBUSY;
+ goto err_cpus_write_unlock;
+ }
+
+ err = __pause_drain_rq(cpus);
+ __wait_drain_rq(cpus);
+ if (err) {
+ for_each_cpu(cpu, cpus)
+ sched_cpu_activate(cpu);
+ goto err_cpus_write_unlock;
+ }
+
+ /*
+ * Even if living on the side of the regular HP path, pause is using
+ * one of the HP step (CPUHP_AP_ACTIVE). This should be reflected on the
+ * current state of the CPU.
+ */
+ for_each_cpu(cpu, cpus) {
+ struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
+
+ st->state = CPUHP_AP_ACTIVE - 1;
+ st->target = st->state;
+ }
+
+err_cpus_write_unlock:
+ cpus_write_unlock();
+ pause_restore_prio(prev_prio);
+err_cpu_maps_update:
+ cpu_maps_update_done();
+
+ trace_cpuhp_pause(cpus, start_time, 1);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(pause_cpus);
+
+int resume_cpus(struct cpumask *cpus)
+{
+ unsigned int cpu;
+ int err = 0;
+ u64 start_time = 0;
+ int prev_prio;
+
+ start_time = sched_clock();
+
+ cpu_maps_update_begin();
+
+ if (cpu_hotplug_disabled) {
+ err = -EBUSY;
+ goto err_cpu_maps_update;
+ }
+
+ /* Resuming an already active CPU isn't an error */
+ cpumask_andnot(cpus, cpus, cpu_active_mask);
+
+ for_each_cpu(cpu, cpus) {
+ if (!cpu_online(cpu)) {
+ err = -EBUSY;
+ goto err_cpu_maps_update;
+ }
+ }
+
+ if (cpumask_empty(cpus))
+ goto err_cpu_maps_update;
+
+ for_each_cpu(cpu, cpus)
+ set_cpu_active(cpu, true);
+
+ trace_android_rvh_resume_cpus(cpus, &err);
+ if (err)
+ goto err_cpu_maps_update;
+
+ prev_prio = pause_reduce_prio();
+
+ /* Lazy Resume. Build domains through schedule a workqueue on
+ * resuming cpu. This is so that the resuming cpu can work more
+ * early, and cannot add additional load to other busy cpu.
+ */
+ cpuset_update_active_cpus_affine(cpumask_first(cpus));
+
+ cpus_write_lock();
+
+ cpuhp_tasks_frozen = 0;
+
+ if (sched_cpus_activate(cpus)) {
+ err = -EBUSY;
+ goto err_cpus_write_unlock;
+ }
+
+ /*
+ * see pause_cpus.
+ */
+ for_each_cpu(cpu, cpus) {
+ struct cpuhp_cpu_state *st = per_cpu_ptr(&cpuhp_state, cpu);
+
+ st->state = CPUHP_ONLINE;
+ st->target = st->state;
+ }
+
+err_cpus_write_unlock:
+ cpus_write_unlock();
+ pause_restore_prio(prev_prio);
+err_cpu_maps_update:
+ cpu_maps_update_done();
+
+ trace_cpuhp_pause(cpus, start_time, 0);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(resume_cpus);
+
void smp_shutdown_nonboot_cpus(unsigned int primary_cpu)
{
unsigned int cpu;
@@ -1245,6 +1499,25 @@ void cpuhp_online_idle(enum cpuhp_state state)
complete_ap_thread(st, true);
}
+static int switch_to_rt_policy(void)
+{
+ struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
+ unsigned int policy = current->policy;
+
+ if (policy == SCHED_NORMAL)
+ /* Switch to SCHED_FIFO from SCHED_NORMAL. */
+ return sched_setscheduler_nocheck(current, SCHED_FIFO, ¶m);
+ else
+ return 1;
+}
+
+static int switch_to_fair_policy(void)
+{
+ struct sched_param param = { .sched_priority = 0 };
+
+ return sched_setscheduler_nocheck(current, SCHED_NORMAL, ¶m);
+}
+
/* Requires cpu_add_remove_lock to be held */
static int _cpu_up(unsigned int cpu, int tasks_frozen, enum cpuhp_state target)
{
@@ -1309,6 +1582,7 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen, enum cpuhp_state target)
static int cpu_up(unsigned int cpu, enum cpuhp_state target)
{
int err = 0;
+ int switch_err;
if (!cpu_possible(cpu)) {
pr_err("can't online cpu %d because it is not configured as may-hotadd at boot time\n",
@@ -1319,9 +1593,23 @@ static int cpu_up(unsigned int cpu, enum cpuhp_state target)
return -EINVAL;
}
+ trace_android_vh_cpu_up(cpu);
+
+ /*
+ * CPU hotplug operations consists of many steps and each step
+ * calls a callback of core kernel subsystem. CPU hotplug-in
+ * operation may get preempted by other CFS tasks and whole
+ * operation of cpu hotplug in CPU gets delayed. Switch the
+ * current task to SCHED_FIFO from SCHED_NORMAL, so that
+ * hotplug in operation may complete quickly in heavy loaded
+ * conditions and new CPU will start handle the workload.
+ */
+
+ switch_err = switch_to_rt_policy();
+
err = try_online_node(cpu_to_node(cpu));
if (err)
- return err;
+ goto switch_out;
cpu_maps_update_begin();
@@ -1337,6 +1625,14 @@ static int cpu_up(unsigned int cpu, enum cpuhp_state target)
err = _cpu_up(cpu, 0, target);
out:
cpu_maps_update_done();
+switch_out:
+ if (!switch_err) {
+ switch_err = switch_to_fair_policy();
+ if (switch_err)
+ pr_err("Hotplug policy switch err=%d Task %s pid=%d\n",
+ switch_err, current->comm, current->pid);
+ }
+
return err;
}
@@ -1472,6 +1768,7 @@ void __weak arch_thaw_secondary_cpus_end(void)
void thaw_secondary_cpus(void)
{
int cpu, error;
+ struct device *cpu_device;
/* Allow everyone to use the CPU hotplug again */
cpu_maps_update_begin();
@@ -1489,6 +1786,12 @@ void thaw_secondary_cpus(void)
trace_suspend_resume(TPS("CPU_ON"), cpu, false);
if (!error) {
pr_info("CPU%d is up\n", cpu);
+ cpu_device = get_cpu_device(cpu);
+ if (!cpu_device)
+ pr_err("%s: failed to get cpu%d device\n",
+ __func__, cpu);
+ else
+ kobject_uevent(&cpu_device->kobj, KOBJ_ONLINE);
continue;
}
pr_warn("Error taking CPU%d up: %d\n", cpu, error);
diff --git a/kernel/cred.c b/kernel/cred.c
index 421b114..64bd9ef 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -17,6 +17,8 @@
#include <linux/cn_proc.h>
#include <linux/uidgid.h>
+#include <trace/hooks/creds.h>
+
#if 0
#define kdebug(FMT, ...) \
printk("[%-5.5s%5u] " FMT "\n", \
@@ -178,6 +180,7 @@ void exit_creds(struct task_struct *tsk)
key_put(tsk->cached_requested_key);
tsk->cached_requested_key = NULL;
#endif
+ trace_android_vh_exit_creds(tsk, cred);
}
/**
@@ -489,6 +492,7 @@ int commit_creds(struct cred *new)
atomic_inc(&new->user->processes);
rcu_assign_pointer(task->real_cred, new);
rcu_assign_pointer(task->cred, new);
+ trace_android_vh_commit_creds(task, new);
if (new->user != old->user)
atomic_dec(&old->user->processes);
alter_cred_subscribers(old, -2);
@@ -566,6 +570,7 @@ const struct cred *override_creds(const struct cred *new)
get_new_cred((struct cred *)new);
alter_cred_subscribers(new, 1);
rcu_assign_pointer(current->cred, new);
+ trace_android_vh_override_creds(current, new);
alter_cred_subscribers(old, -1);
kdebug("override_creds() = %p{%d,%d}", old,
@@ -594,6 +599,7 @@ void revert_creds(const struct cred *old)
validate_creds(override);
alter_cred_subscribers(old, 1);
rcu_assign_pointer(current->cred, old);
+ trace_android_vh_revert_creds(current, old);
alter_cred_subscribers(override, -1);
put_cred(override);
}
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index 16b95ff..2e07634 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -58,6 +58,7 @@
#endif
struct cma *dma_contiguous_default_area;
+EXPORT_SYMBOL_GPL(dma_contiguous_default_area);
/*
* Default global CMA area size can be defined in kernel's .config.
@@ -260,7 +261,8 @@ struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
if (align > CONFIG_CMA_ALIGNMENT)
align = CONFIG_CMA_ALIGNMENT;
- return cma_alloc(dev_get_cma_area(dev), count, align, no_warn);
+ return cma_alloc(dev_get_cma_area(dev), count, align, GFP_KERNEL |
+ (no_warn ? __GFP_NOWARN : 0));
}
/**
@@ -283,7 +285,8 @@ static struct page *cma_alloc_aligned(struct cma *cma, size_t size, gfp_t gfp)
{
unsigned int align = min(get_order(size), CONFIG_CMA_ALIGNMENT);
- return cma_alloc(cma, size >> PAGE_SHIFT, align, gfp & __GFP_NOWARN);
+ return cma_alloc(cma, size >> PAGE_SHIFT, align,
+ GFP_KERNEL | (gfp & __GFP_NOWARN));
}
/**
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 06c1115..6f58cde 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -43,6 +43,7 @@ u64 dma_direct_get_required_mask(struct device *dev)
return (1ULL << (fls64(max_dma) - 1)) * 2 - 1;
}
+EXPORT_SYMBOL_GPL(dma_direct_get_required_mask);
static gfp_t dma_direct_optimal_gfp_mask(struct device *dev, u64 dma_mask,
u64 *phys_limit)
@@ -60,7 +61,8 @@ static gfp_t dma_direct_optimal_gfp_mask(struct device *dev, u64 dma_mask,
*phys_limit = dma_to_phys(dev, dma_limit);
if (*phys_limit <= DMA_BIT_MASK(zone_dma_bits))
return GFP_DMA;
- if (*phys_limit <= DMA_BIT_MASK(32))
+ if (*phys_limit <= DMA_BIT_MASK(32) &&
+ !zone_dma32_is_empty(dev_to_node(dev)))
return GFP_DMA32;
return 0;
}
@@ -100,7 +102,8 @@ static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,
if (IS_ENABLED(CONFIG_ZONE_DMA32) &&
phys_limit < DMA_BIT_MASK(64) &&
- !(gfp & (GFP_DMA32 | GFP_DMA))) {
+ !(gfp & (GFP_DMA32 | GFP_DMA)) &&
+ !zone_dma32_is_empty(node)) {
gfp |= GFP_DMA32;
goto again;
}
@@ -313,6 +316,7 @@ struct page *dma_direct_alloc_pages(struct device *dev, size_t size,
dma_free_contiguous(dev, page, size);
return NULL;
}
+EXPORT_SYMBOL_GPL(dma_direct_alloc);
void dma_direct_free_pages(struct device *dev, size_t size,
struct page *page, dma_addr_t dma_addr,
@@ -331,6 +335,7 @@ void dma_direct_free_pages(struct device *dev, size_t size,
dma_free_contiguous(dev, page, size);
}
+EXPORT_SYMBOL_GPL(dma_direct_free);
#if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \
defined(CONFIG_SWIOTLB)
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 51bb8fa..9e81b13 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -348,6 +348,9 @@ pgprot_t dma_pgprot(struct device *dev, pgprot_t prot, unsigned long attrs)
if (attrs & DMA_ATTR_WRITE_COMBINE)
return pgprot_writecombine(prot);
#endif
+ if (attrs & DMA_ATTR_SYS_CACHE_ONLY ||
+ attrs & DMA_ATTR_SYS_CACHE_ONLY_NWA)
+ return pgprot_syscached(prot);
return pgprot_dmacoherent(prot);
}
#endif /* CONFIG_MMU */
diff --git a/kernel/dma/ops_helpers.c b/kernel/dma/ops_helpers.c
index af4a6ef..e28e1e1 100644
--- a/kernel/dma/ops_helpers.c
+++ b/kernel/dma/ops_helpers.c
@@ -27,6 +27,7 @@ int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0);
return ret;
}
+EXPORT_SYMBOL_GPL(dma_common_get_sgtable);
/*
* Create userspace mapping for the DMA-coherent memory.
@@ -57,6 +58,7 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
return -ENXIO;
#endif /* CONFIG_MMU */
}
+EXPORT_SYMBOL_GPL(dma_common_mmap);
struct page *dma_common_alloc_pages(struct device *dev, size_t size,
dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp)
diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c
index d4637f7..cebfe35 100644
--- a/kernel/dma/pool.c
+++ b/kernel/dma/pool.c
@@ -74,7 +74,7 @@ static bool cma_in_zone(gfp_t gfp)
end = cma_get_base(cma) + size - 1;
if (IS_ENABLED(CONFIG_ZONE_DMA) && (gfp & GFP_DMA))
return end <= DMA_BIT_MASK(zone_dma_bits);
- if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32))
+ if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32) && !zone_dma32_are_empty())
return end <= DMA_BIT_MASK(32);
return true;
}
@@ -156,7 +156,7 @@ static void atomic_pool_work_fn(struct work_struct *work)
if (IS_ENABLED(CONFIG_ZONE_DMA))
atomic_pool_resize(atomic_pool_dma,
GFP_KERNEL | GFP_DMA);
- if (IS_ENABLED(CONFIG_ZONE_DMA32))
+ if (IS_ENABLED(CONFIG_ZONE_DMA32) && !zone_dma32_are_empty())
atomic_pool_resize(atomic_pool_dma32,
GFP_KERNEL | GFP_DMA32);
atomic_pool_resize(atomic_pool_kernel, GFP_KERNEL);
@@ -212,7 +212,7 @@ static int __init dma_atomic_pool_init(void)
if (!atomic_pool_dma)
ret = -ENOMEM;
}
- if (IS_ENABLED(CONFIG_ZONE_DMA32)) {
+ if (IS_ENABLED(CONFIG_ZONE_DMA32) && !zone_dma32_are_empty()) {
atomic_pool_dma32 = __dma_atomic_pool_init(atomic_pool_size,
GFP_KERNEL | GFP_DMA32);
if (!atomic_pool_dma32)
@@ -227,7 +227,7 @@ postcore_initcall(dma_atomic_pool_init);
static inline struct gen_pool *dma_guess_pool(struct gen_pool *prev, gfp_t gfp)
{
if (prev == NULL) {
- if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32))
+ if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32) && !zone_dma32_are_empty())
return atomic_pool_dma32;
if (IS_ENABLED(CONFIG_ZONE_DMA) && (gfp & GFP_DMA))
return atomic_pool_dma;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 639b99a..e76ece7 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4398,6 +4398,7 @@ int perf_event_read_local(struct perf_event *event, u64 *value,
return ret;
}
+EXPORT_SYMBOL_GPL(perf_event_read_local);
static int perf_event_read(struct perf_event *event, bool group)
{
diff --git a/kernel/exit.c b/kernel/exit.c
index d13d67f..f61ac32 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -68,6 +68,7 @@
#include <linux/uaccess.h>
#include <asm/unistd.h>
#include <asm/mmu_context.h>
+#include <trace/hooks/mm.h>
static void __unhash_process(struct task_struct *p, bool group_dead)
{
@@ -484,6 +485,7 @@ static void exit_mm(void)
enter_lazy_tlb(mm, current);
task_unlock(current);
mm_update_next_owner(mm);
+ trace_android_vh_exit_mm(mm);
mmput(mm);
if (test_thread_flag(TIF_MEMDIE))
exit_oom_victim();
diff --git a/kernel/fork.c b/kernel/fork.c
index e465903..bdca9cf 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -96,6 +96,7 @@
#include <linux/kasan.h>
#include <linux/scs.h>
#include <linux/io_uring.h>
+#include <linux/cpufreq_times.h>
#include <asm/pgalloc.h>
#include <linux/uaccess.h>
@@ -108,6 +109,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/task.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/sched.h>
/*
* Minimum number of threads to boot the kernel
*/
@@ -118,6 +121,8 @@
*/
#define MAX_THREADS FUTEX_TID_MASK
+EXPORT_TRACEPOINT_SYMBOL_GPL(task_newtask);
+
/*
* Protected counters by write_lock_irq(&tasklist_lock)
*/
@@ -138,6 +143,7 @@ static const char * const resident_page_types[] = {
DEFINE_PER_CPU(unsigned long, process_counts) = 0;
__cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */
+EXPORT_SYMBOL_GPL(tasklist_lock);
#ifdef CONFIG_PROVE_RCU
int lockdep_tasklist_lock_is_held(void)
@@ -225,8 +231,8 @@ static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, int node)
if (!s)
continue;
- /* Clear the KASAN shadow of the stack. */
- kasan_unpoison_shadow(s->addr, THREAD_SIZE);
+ /* Mark stack accessible for KASAN. */
+ kasan_unpoison_range(s->addr, THREAD_SIZE);
/* Clear stale pointers from reused stack. */
memset(s->addr, 0, THREAD_SIZE);
@@ -363,7 +369,7 @@ struct vm_area_struct *vm_area_dup(struct vm_area_struct *orig)
* will be reinitialized.
*/
*new = data_race(*orig);
- INIT_LIST_HEAD(&new->anon_vma_chain);
+ INIT_VMA(new);
new->vm_next = new->vm_prev = NULL;
}
return new;
@@ -437,12 +443,15 @@ void put_task_stack(struct task_struct *tsk)
if (refcount_dec_and_test(&tsk->stack_refcount))
release_task_stack(tsk);
}
+EXPORT_SYMBOL_GPL(put_task_stack);
#endif
void free_task(struct task_struct *tsk)
{
+ cpufreq_task_times_exit(tsk);
scs_release(tsk);
+ trace_android_vh_free_task(tsk);
#ifndef CONFIG_THREAD_INFO_IN_TASK
/*
* The task is finally done with both the stack and thread_info,
@@ -469,7 +478,7 @@ EXPORT_SYMBOL(free_task);
static __latent_entropy int dup_mmap(struct mm_struct *mm,
struct mm_struct *oldmm)
{
- struct vm_area_struct *mpnt, *tmp, *prev, **pprev;
+ struct vm_area_struct *mpnt, *tmp, *prev, **pprev, *last = NULL;
struct rb_node **rb_link, *rb_parent;
int retval;
unsigned long charge;
@@ -589,8 +598,18 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
rb_parent = &tmp->vm_rb;
mm->map_count++;
- if (!(tmp->vm_flags & VM_WIPEONFORK))
+ if (!(tmp->vm_flags & VM_WIPEONFORK)) {
+ if (IS_ENABLED(CONFIG_SPECULATIVE_PAGE_FAULT)) {
+ /*
+ * Mark this VMA as changing to prevent the
+ * speculative page fault hanlder to process
+ * it until the TLB are flushed below.
+ */
+ last = mpnt;
+ vm_write_begin(mpnt);
+ }
retval = copy_page_range(tmp, mpnt);
+ }
if (tmp->vm_ops && tmp->vm_ops->open)
tmp->vm_ops->open(tmp);
@@ -603,6 +622,22 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
out:
mmap_write_unlock(mm);
flush_tlb_mm(oldmm);
+
+ if (IS_ENABLED(CONFIG_SPECULATIVE_PAGE_FAULT)) {
+ /*
+ * Since the TLB has been flush, we can safely unmark the
+ * copied VMAs and allows the speculative page fault handler to
+ * process them again.
+ * Walk back the VMA list from the last marked VMA.
+ */
+ for (; last; last = last->vm_prev) {
+ if (last->vm_flags & VM_DONTCOPY)
+ continue;
+ if (!(last->vm_flags & VM_WIPEONFORK))
+ vm_write_end(last);
+ }
+ }
+
mmap_write_unlock(oldmm);
dup_userfaultfd_complete(&uf);
fail_uprobe_end:
@@ -943,6 +978,9 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node)
#ifdef CONFIG_MEMCG
tsk->active_memcg = NULL;
#endif
+ memset(&tsk->android_vendor_data1, 0, sizeof(tsk->android_vendor_data1));
+ memset(&tsk->android_oem_data1, 0, sizeof(tsk->android_oem_data1));
+ trace_android_vh_dup_task_struct(tsk, orig);
return tsk;
free_stack:
@@ -1012,6 +1050,9 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
mm->mmap = NULL;
mm->mm_rb = RB_ROOT;
mm->vmacache_seqnum = 0;
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ rwlock_init(&mm->mm_rb_lock);
+#endif
atomic_set(&mm->mm_users, 1);
atomic_set(&mm->mm_count, 1);
seqcount_init(&mm->write_protect_seq);
@@ -1949,6 +1990,8 @@ static __latent_entropy struct task_struct *copy_process(
if (!p)
goto fork_out;
+ cpufreq_task_times_init(p);
+
/*
* This _must_ happen before we call free_task(), i.e. before we jump
* to any of the bad_fork_* labels. This is to avoid freeing
@@ -2470,6 +2513,8 @@ pid_t kernel_clone(struct kernel_clone_args *args)
if (IS_ERR(p))
return PTR_ERR(p);
+ cpufreq_task_times_alloc(p);
+
/*
* Do this prior waking up the new thread - the thread pointer
* might get invalid after that point, if the thread exits quickly.
diff --git a/kernel/freezer.c b/kernel/freezer.c
index dc520f0..203bf9c 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -11,6 +11,10 @@
#include <linux/syscalls.h>
#include <linux/freezer.h>
#include <linux/kthread.h>
+#include <linux/mmu_context.h>
+
+#undef CREATE_TRACE_POINT
+#include <trace/hooks/cgroup.h>
/* total number of freezing conditions in effect */
atomic_t system_freezing_cnt = ATOMIC_INIT(0);
@@ -70,6 +74,7 @@ bool __refrigerator(bool check_kthr_stop)
if (!freezing(current) ||
(check_kthr_stop && kthread_should_stop()))
current->flags &= ~PF_FROZEN;
+ trace_android_rvh_refrigerator(pm_nosig_freezing);
spin_unlock_irq(&freezer_lock);
if (!(current->flags & PF_FROZEN))
@@ -146,9 +151,16 @@ bool freeze_task(struct task_struct *p)
void __thaw_task(struct task_struct *p)
{
unsigned long flags;
+ const struct cpumask *mask = task_cpu_possible_mask(p);
spin_lock_irqsave(&freezer_lock, flags);
- if (frozen(p))
+ /*
+ * Wake up frozen tasks. On asymmetric systems where tasks cannot
+ * run on all CPUs, ttwu() may have deferred a wakeup generated
+ * before thaw_secondary_cpus() had completed so we generate
+ * additional wakeups here for tasks in the PF_FREEZER_SKIP state.
+ */
+ if (frozen(p) || (frozen_or_skipped(p) && mask != cpu_possible_mask))
wake_up_process(p);
spin_unlock_irqrestore(&freezer_lock, flags);
}
diff --git a/kernel/futex.c b/kernel/futex.c
index 98a6e1b..3cd0ae8 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -43,6 +43,7 @@
#include <asm/futex.h>
#include "locking/rtmutex_common.h"
+#include <trace/hooks/futex.h>
/*
* READ this before attempting to hack on futexes!
@@ -586,7 +587,7 @@ static int get_futex_key(u32 __user *uaddr, bool fshared, union futex_key *key,
lock_page(page);
shmem_swizzled = PageSwapCache(page) || page->mapping;
unlock_page(page);
- put_page(page);
+ put_user_page(page);
if (shmem_swizzled)
goto again;
@@ -636,7 +637,7 @@ static int get_futex_key(u32 __user *uaddr, bool fshared, union futex_key *key,
if (READ_ONCE(page->mapping) != mapping) {
rcu_read_unlock();
- put_page(page);
+ put_user_page(page);
goto again;
}
@@ -644,7 +645,7 @@ static int get_futex_key(u32 __user *uaddr, bool fshared, union futex_key *key,
inode = READ_ONCE(mapping->host);
if (!inode) {
rcu_read_unlock();
- put_page(page);
+ put_user_page(page);
goto again;
}
@@ -656,7 +657,7 @@ static int get_futex_key(u32 __user *uaddr, bool fshared, union futex_key *key,
}
out:
- put_page(page);
+ put_user_page(page);
return err;
}
@@ -2225,6 +2226,7 @@ queue_unlock(struct futex_hash_bucket *hb)
static inline void __queue_me(struct futex_q *q, struct futex_hash_bucket *hb)
{
int prio;
+ bool already_on_hb = false;
/*
* The priority used to register this element is
@@ -2237,7 +2239,9 @@ static inline void __queue_me(struct futex_q *q, struct futex_hash_bucket *hb)
prio = min(current->normal_prio, MAX_RT_PRIO);
plist_node_init(&q->list, prio);
- plist_add(&q->list, &hb->chain);
+ trace_android_vh_alter_futex_plist_add(&q->list, &hb->chain, &already_on_hb);
+ if (!already_on_hb)
+ plist_add(&q->list, &hb->chain);
q->task = current;
}
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index 396ebae..3911b0e 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -23,6 +23,8 @@
#include <linux/sched/sysctl.h>
#include <trace/events/sched.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/hung_task.h>
/*
* The number of tasks checked:
@@ -92,8 +94,8 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout)
* Ensure the task is not frozen.
* Also, skip vfork and any other user process that freezer should skip.
*/
- if (unlikely(t->flags & (PF_FROZEN | PF_FREEZER_SKIP)))
- return;
+ if (unlikely(frozen_or_skipped(t)))
+ return;
/*
* When a freshly created task is scheduled once, changes its state to
@@ -177,6 +179,7 @@ static void check_hung_uninterruptible_tasks(unsigned long timeout)
int max_count = sysctl_hung_task_check_count;
unsigned long last_break = jiffies;
struct task_struct *g, *t;
+ bool need_check = true;
/*
* If the system crashed already then all bets are off,
@@ -195,10 +198,13 @@ static void check_hung_uninterruptible_tasks(unsigned long timeout)
goto unlock;
last_break = jiffies;
}
- /* use "==" to skip the TASK_KILLABLE tasks waiting on NFS */
- if (t->state == TASK_UNINTERRUPTIBLE)
- check_hung_task(t, timeout);
+ trace_android_vh_check_uninterruptible_tasks(t, timeout, &need_check);
+ if (need_check)
+ /* use "==" to skip the TASK_KILLABLE tasks waiting on NFS */
+ if (t->state == TASK_UNINTERRUPTIBLE)
+ check_hung_task(t, timeout);
}
+ trace_android_vh_check_uninterruptible_tasks_dn(NULL);
unlock:
rcu_read_unlock();
if (hung_task_show_lock)
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 164a031..ae9b13d 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -109,6 +109,9 @@
config GENERIC_IRQ_RESERVATION_MODE
bool
+config ARCH_WANTS_IRQ_RAW
+ bool
+
# Support forced irq threading
config IRQ_FORCED_THREADING
bool
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 0b70811..91c48de 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -14,6 +14,7 @@
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <linux/irqdomain.h>
+#include <linux/wakeup_reason.h>
#include <trace/events/irq.h>
@@ -510,8 +511,22 @@ static bool irq_may_run(struct irq_desc *desc)
* If the interrupt is not in progress and is not an armed
* wakeup interrupt, proceed.
*/
- if (!irqd_has_set(&desc->irq_data, mask))
+ if (!irqd_has_set(&desc->irq_data, mask)) {
+#ifdef CONFIG_PM_SLEEP
+ if (unlikely(desc->no_suspend_depth &&
+ irqd_is_wakeup_set(&desc->irq_data))) {
+ unsigned int irq = irq_desc_get_irq(desc);
+ const char *name = "(unnamed)";
+
+ if (desc->action && desc->action->name)
+ name = desc->action->name;
+
+ log_abnormal_wakeup_reason("misconfigured IRQ %u %s",
+ irq, name);
+ }
+#endif
return true;
+ }
/*
* If the interrupt is an armed wakeup source, mark it pending
@@ -1110,7 +1125,8 @@ irq_set_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
}
EXPORT_SYMBOL_GPL(irq_set_chip_and_handler_name);
-void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
+void __irq_modify_status(unsigned int irq, unsigned long clr,
+ unsigned long set, unsigned long mask)
{
unsigned long flags, trigger, tmp;
struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
@@ -1124,7 +1140,9 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
*/
WARN_ON_ONCE(!desc->depth && (set & _IRQ_NOAUTOEN));
- irq_settings_clr_and_set(desc, clr, set);
+ /* Warn when trying to clear or set a bit disallowed by the mask */
+ WARN_ON((clr | set) & ~mask);
+ __irq_settings_clr_and_set(desc, clr, set, mask);
trigger = irqd_get_trigger_type(&desc->irq_data);
@@ -1147,6 +1165,11 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
irq_put_desc_unlock(desc, flags);
}
+
+void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
+{
+ __irq_modify_status(irq, clr, set, _IRQF_MODIFY_MASK);
+}
EXPORT_SYMBOL_GPL(irq_modify_status);
/**
diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c
index 02236b1..cf8d4f7 100644
--- a/kernel/irq/cpuhotplug.c
+++ b/kernel/irq/cpuhotplug.c
@@ -42,7 +42,7 @@ static inline bool irq_needs_fixup(struct irq_data *d)
* If this happens then there was a missed IRQ fixup at some
* point. Warn about it and enforce fixup.
*/
- pr_warn("Eff. affinity %*pbl of IRQ %u contains only offline CPUs after offlining CPU %u\n",
+ pr_debug("Eff. affinity %*pbl of IRQ %u contains only offline CPUs after offlining CPU %u\n",
cpumask_pr_args(m), d->irq, cpu);
return true;
}
@@ -166,7 +166,7 @@ void irq_migrate_all_off_this_cpu(void)
raw_spin_unlock(&desc->lock);
if (affinity_broken) {
- pr_warn_ratelimited("IRQ %u: no longer affine to CPU%u\n",
+ pr_debug_ratelimited("IRQ %u: no longer affine to CPU%u\n",
irq, smp_processor_id());
}
}
diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c
index e4cff35..f53475d 100644
--- a/kernel/irq/debugfs.c
+++ b/kernel/irq/debugfs.c
@@ -140,6 +140,7 @@ static const struct irq_bit_descr irqdesc_states[] = {
BIT_MASK_DESCR(_IRQ_IS_POLLED),
BIT_MASK_DESCR(_IRQ_DISABLE_UNLAZY),
BIT_MASK_DESCR(_IRQ_HIDDEN),
+ BIT_MASK_DESCR(_IRQ_RAW),
};
static const struct irq_bit_descr irqdesc_istates[] = {
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index e2999a0..79cb6d0 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -200,6 +200,7 @@ int irq_gc_set_wake(struct irq_data *d, unsigned int on)
irq_gc_unlock(gc);
return 0;
}
+EXPORT_SYMBOL_GPL(irq_gc_set_wake);
static u32 irq_readl_be(void __iomem *addr)
{
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 1a77236..aa636e1 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -667,10 +667,9 @@ int __handle_domain_irq(struct irq_domain *domain, unsigned int hwirq,
{
struct pt_regs *old_regs = set_irq_regs(regs);
unsigned int irq = hwirq;
+ struct irq_desc *desc;
int ret = 0;
- irq_enter();
-
#ifdef CONFIG_IRQ_DOMAIN
if (lookup)
irq = irq_find_mapping(domain, hwirq);
@@ -680,14 +679,22 @@ int __handle_domain_irq(struct irq_domain *domain, unsigned int hwirq,
* Some hardware gives randomly wrong interrupts. Rather
* than crashing, do something sensible.
*/
- if (unlikely(!irq || irq >= nr_irqs)) {
+ if (unlikely(!irq || irq >= nr_irqs || !(desc = irq_to_desc(irq)))) {
ack_bad_irq(irq);
ret = -EINVAL;
- } else {
- generic_handle_irq(irq);
+ goto out;
}
- irq_exit();
+ if (IS_ENABLED(CONFIG_ARCH_WANTS_IRQ_RAW) &&
+ unlikely(irq_settings_is_raw(desc))) {
+ generic_handle_irq_desc(desc);
+ } else {
+ irq_enter();
+ generic_handle_irq_desc(desc);
+ irq_exit();
+ }
+
+out:
set_irq_regs(old_regs);
return ret;
}
@@ -969,6 +976,7 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
return desc && desc->kstat_irqs ?
*per_cpu_ptr(desc->kstat_irqs, cpu) : 0;
}
+EXPORT_SYMBOL_GPL(kstat_irqs_cpu);
static bool irq_is_nmi(struct irq_desc *desc)
{
@@ -1019,3 +1027,4 @@ unsigned int kstat_irqs_usr(unsigned int irq)
rcu_read_unlock();
return sum;
}
+EXPORT_SYMBOL_GPL(kstat_irqs_usr);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index c6b419d..2c3d494 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -91,7 +91,7 @@ struct fwnode_handle *__irq_domain_alloc_fwnode(unsigned int type, int id,
fwid->type = type;
fwid->name = n;
fwid->pa = pa;
- fwid->fwnode.ops = &irqchip_fwnode_ops;
+ fwnode_init(&fwid->fwnode, &irqchip_fwnode_ops);
return &fwid->fwnode;
}
EXPORT_SYMBOL_GPL(__irq_domain_alloc_fwnode);
@@ -196,6 +196,7 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
}
fwnode_handle_get(fwnode);
+ fwnode_dev_initialized(fwnode, true);
/* Fill structure */
INIT_RADIX_TREE(&domain->revmap_tree, GFP_KERNEL);
@@ -244,6 +245,7 @@ void irq_domain_remove(struct irq_domain *domain)
pr_debug("Removed domain %s\n", domain->name);
+ fwnode_dev_initialized(domain->fwnode, false);
fwnode_handle_put(domain->fwnode);
if (domain->flags & IRQ_DOMAIN_NAME_ALLOCATED)
kfree(domain->name);
@@ -1190,6 +1192,7 @@ int irq_domain_disconnect_hierarchy(struct irq_domain *domain,
irqd->chip = ERR_PTR(-ENOTCONN);
return 0;
}
+EXPORT_SYMBOL_GPL(irq_domain_disconnect_hierarchy);
static int irq_domain_trim_hierarchy(unsigned int virq)
{
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 79dc02b..ec1c6e6 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -280,6 +280,7 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask,
return ret;
}
+EXPORT_SYMBOL_GPL(irq_do_set_affinity);
#ifdef CONFIG_GENERIC_PENDING_IRQ
static inline int irq_set_affinity_pending(struct irq_data *data,
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 72513ed..0459b69 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -157,9 +157,9 @@ static ssize_t write_irq_affinity(int type, struct file *file,
/*
* Do not allow disabling IRQs completely - it's a too easy
* way to make the system unusable accidentally :-) At least
- * one online CPU still has to be targeted.
+ * one active CPU still has to be targeted.
*/
- if (!cpumask_intersects(new_value, cpu_online_mask)) {
+ if (!cpumask_intersects(new_value, cpu_active_mask)) {
/*
* Special case for empty set - allow the architecture code
* to set default SMP affinity.
diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h
index 403378b..0033d45 100644
--- a/kernel/irq/settings.h
+++ b/kernel/irq/settings.h
@@ -18,6 +18,7 @@ enum {
_IRQ_IS_POLLED = IRQ_IS_POLLED,
_IRQ_DISABLE_UNLAZY = IRQ_DISABLE_UNLAZY,
_IRQ_HIDDEN = IRQ_HIDDEN,
+ _IRQ_RAW = IRQ_RAW,
_IRQF_MODIFY_MASK = IRQF_MODIFY_MASK,
};
@@ -33,14 +34,21 @@ enum {
#define IRQ_IS_POLLED GOT_YOU_MORON
#define IRQ_DISABLE_UNLAZY GOT_YOU_MORON
#define IRQ_HIDDEN GOT_YOU_MORON
+#define IRQ_RAW GOT_YOU_MORON
#undef IRQF_MODIFY_MASK
#define IRQF_MODIFY_MASK GOT_YOU_MORON
static inline void
+__irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set, u32 mask)
+{
+ desc->status_use_accessors &= ~(clr & mask);
+ desc->status_use_accessors |= (set & mask);
+}
+
+static inline void
irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
{
- desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
- desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
+ __irq_settings_clr_and_set(desc, clr, set, _IRQF_MODIFY_MASK);
}
static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
@@ -174,3 +182,16 @@ static inline bool irq_settings_is_hidden(struct irq_desc *desc)
{
return desc->status_use_accessors & _IRQ_HIDDEN;
}
+
+static inline bool irq_settings_is_raw(struct irq_desc *desc)
+{
+ if (IS_ENABLED(CONFIG_ARCH_WANTS_IRQ_RAW))
+ return desc->status_use_accessors & _IRQ_RAW;
+
+ /*
+ * Using IRQ_RAW on architectures that don't expect it is
+ * likely to be wrong.
+ */
+ WARN_ON_ONCE(1);
+ return false;
+}
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index eca8396..e0ed16d 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -111,7 +111,7 @@ bool irq_work_queue_on(struct irq_work *work, int cpu)
return true;
#endif /* CONFIG_SMP */
}
-
+EXPORT_SYMBOL_GPL(irq_work_queue_on);
bool irq_work_needs_cpu(void)
{
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index fe9de06..9650511 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -161,6 +161,26 @@ static unsigned long kallsyms_sym_address(int idx)
return kallsyms_relative_base - 1 - kallsyms_offsets[idx];
}
+#if defined(CONFIG_CFI_CLANG) && defined(CONFIG_LTO_CLANG_THIN)
+/*
+ * LLVM appends a hash to static function names when ThinLTO and CFI are
+ * both enabled, which causes confusion and potentially breaks user space
+ * tools, so we will strip the postfix from expanded symbol names.
+ */
+static inline char *cleanup_symbol_name(char *s)
+{
+ char *res = NULL;
+
+ res = strrchr(s, '$');
+ if (res)
+ *res = '\0';
+
+ return res;
+}
+#else
+static inline char *cleanup_symbol_name(char *s) { return NULL; }
+#endif
+
/* Lookup the address for this symbol. Returns 0 if not found. */
unsigned long kallsyms_lookup_name(const char *name)
{
@@ -173,6 +193,9 @@ unsigned long kallsyms_lookup_name(const char *name)
if (strcmp(namebuf, name) == 0)
return kallsyms_sym_address(i);
+
+ if (cleanup_symbol_name(namebuf) && strcmp(namebuf, name) == 0)
+ return kallsyms_sym_address(i);
}
return module_kallsyms_lookup_name(name);
}
@@ -297,7 +320,9 @@ const char *kallsyms_lookup(unsigned long addr,
namebuf, KSYM_NAME_LEN);
if (modname)
*modname = NULL;
- return namebuf;
+
+ ret = namebuf;
+ goto found;
}
/* See if it's in a module or a BPF JITed image. */
@@ -310,11 +335,16 @@ const char *kallsyms_lookup(unsigned long addr,
if (!ret)
ret = ftrace_mod_address_lookup(addr, symbolsize,
offset, modname, namebuf);
+
+found:
+ cleanup_symbol_name(namebuf);
return ret;
}
int lookup_symbol_name(unsigned long addr, char *symname)
{
+ int res;
+
symname[0] = '\0';
symname[KSYM_NAME_LEN - 1] = '\0';
@@ -325,15 +355,23 @@ int lookup_symbol_name(unsigned long addr, char *symname)
/* Grab name */
kallsyms_expand_symbol(get_symbol_offset(pos),
symname, KSYM_NAME_LEN);
- return 0;
+ goto found;
}
/* See if it's in a module. */
- return lookup_module_symbol_name(addr, symname);
+ res = lookup_module_symbol_name(addr, symname);
+ if (res)
+ return res;
+
+found:
+ cleanup_symbol_name(symname);
+ return 0;
}
int lookup_symbol_attrs(unsigned long addr, unsigned long *size,
unsigned long *offset, char *modname, char *name)
{
+ int res;
+
name[0] = '\0';
name[KSYM_NAME_LEN - 1] = '\0';
@@ -345,10 +383,16 @@ int lookup_symbol_attrs(unsigned long addr, unsigned long *size,
kallsyms_expand_symbol(get_symbol_offset(pos),
name, KSYM_NAME_LEN);
modname[0] = '\0';
- return 0;
+ goto found;
}
/* See if it's in a module. */
- return lookup_module_symbol_attrs(addr, size, offset, modname, name);
+ res = lookup_module_symbol_attrs(addr, size, offset, modname, name);
+ if (res)
+ return res;
+
+found:
+ cleanup_symbol_name(name);
+ return 0;
}
/* Look up a kernel symbol and return it in a text buffer. */
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 508fe52..9d736f5 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -476,6 +476,7 @@ void kthread_bind_mask(struct task_struct *p, const struct cpumask *mask)
{
__kthread_bind_mask(p, mask, TASK_UNINTERRUPTIBLE);
}
+EXPORT_SYMBOL_GPL(kthread_bind_mask);
/**
* kthread_bind - bind a just-created kthread to a cpu.
@@ -957,7 +958,13 @@ static void __kthread_queue_delayed_work(struct kthread_worker *worker,
struct timer_list *timer = &dwork->timer;
struct kthread_work *work = &dwork->work;
- WARN_ON_ONCE(timer->function != kthread_delayed_work_timer_fn);
+ /*
+ * With CFI, timer->function can point to a jump table entry in a module,
+ * which fails the comparison. Disable the warning if CFI and modules are
+ * both enabled.
+ */
+ if (!IS_ENABLED(CONFIG_CFI_CLANG) || !IS_ENABLED(CONFIG_MODULES))
+ WARN_ON_ONCE(timer->function != kthread_delayed_work_timer_fn);
/*
* If @delay is 0, queue @dwork->work immediately. This is for
@@ -1180,6 +1187,18 @@ bool kthread_mod_delayed_work(struct kthread_worker *worker,
}
ret = __kthread_cancel_work(work);
+ /*
+ * Canceling could run in parallel from kthread_cancel_delayed_work_sync
+ * and change work's canceling count as the spinlock is released and regain
+ * in __kthread_cancel_work so we need to check the count again. Otherwise,
+ * we might incorrectly queue the dwork and further cause
+ * cancel_delayed_work_sync thread waiting for flush dwork endlessly.
+ */
+ if (work->canceling) {
+ ret = false;
+ goto out;
+ }
+
fast_queue:
__kthread_queue_delayed_work(worker, dwork, delay);
out:
diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 8606190..016f40c 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -36,6 +36,8 @@
# include "mutex.h"
#endif
+#include <trace/hooks/dtask.h>
+
void
__mutex_init(struct mutex *lock, const char *name, struct lock_class_key *key)
{
@@ -208,9 +210,12 @@ static void
__mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter,
struct list_head *list)
{
+ bool already_on_list = false;
debug_mutex_add_waiter(lock, waiter, current);
- list_add_tail(&waiter->list, list);
+ trace_android_vh_alter_mutex_list_add(lock, waiter, list, &already_on_list);
+ if (!already_on_list)
+ list_add_tail(&waiter->list, list);
if (__mutex_waiter_is_first(lock, waiter))
__mutex_set_flag(lock, MUTEX_FLAG_WAITERS);
}
@@ -1014,6 +1019,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
waiter.task = current;
+ trace_android_vh_mutex_wait_start(lock);
set_current_state(state);
for (;;) {
bool first;
@@ -1065,6 +1071,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
spin_lock(&lock->wait_lock);
acquired:
__set_current_state(TASK_RUNNING);
+ trace_android_vh_mutex_wait_finish(lock);
if (ww_ctx) {
/*
@@ -1093,6 +1100,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
err:
__set_current_state(TASK_RUNNING);
+ trace_android_vh_mutex_wait_finish(lock);
__mutex_remove_waiter(lock, &waiter);
err_early_kill:
spin_unlock(&lock->wait_lock);
@@ -1281,6 +1289,7 @@ static noinline void __sched __mutex_unlock_slowpath(struct mutex *lock, unsigne
if (owner & MUTEX_FLAG_HANDOFF)
__mutex_handoff(lock, next);
+ trace_android_vh_mutex_unlock_slowpath(lock);
spin_unlock(&lock->wait_lock);
wake_up_q(&wake_q);
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 2f8cd61..135e395 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -19,6 +19,7 @@
#include <linux/sched/wake_q.h>
#include <linux/sched/debug.h>
#include <linux/timer.h>
+#include <trace/hooks/dtask.h>
#include "rtmutex_common.h"
@@ -1168,6 +1169,7 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state,
{
int ret = 0;
+ trace_android_vh_rtmutex_wait_start(lock);
for (;;) {
/* Try to acquire the lock: */
if (try_to_take_rt_mutex(lock, current, waiter))
@@ -1197,6 +1199,7 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state,
set_current_state(state);
}
+ trace_android_vh_rtmutex_wait_finish(lock);
__set_current_state(TASK_RUNNING);
return ret;
}
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index a163542..7b0d64f 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -29,6 +29,8 @@
#include <linux/atomic.h>
#include "lock_events.h"
+#include <trace/hooks/rwsem.h>
+#include <trace/hooks/dtask.h>
/*
* The least significant 3 bits of the owner value has the following
@@ -340,21 +342,10 @@ void __init_rwsem(struct rw_semaphore *sem, const char *name,
#ifdef CONFIG_RWSEM_SPIN_ON_OWNER
osq_lock_init(&sem->osq);
#endif
+ trace_android_vh_rwsem_init(sem);
}
EXPORT_SYMBOL(__init_rwsem);
-enum rwsem_waiter_type {
- RWSEM_WAITING_FOR_WRITE,
- RWSEM_WAITING_FOR_READ
-};
-
-struct rwsem_waiter {
- struct list_head list;
- struct task_struct *task;
- enum rwsem_waiter_type type;
- unsigned long timeout;
- unsigned long last_rowner;
-};
#define rwsem_first_waiter(sem) \
list_first_entry(&sem->wait_list, struct rwsem_waiter, list)
@@ -995,6 +986,7 @@ rwsem_down_read_slowpath(struct rw_semaphore *sem, int state)
struct rwsem_waiter waiter;
DEFINE_WAKE_Q(wake_q);
bool wake = false;
+ bool already_on_list = false;
/*
* Save the current read-owner of rwsem, if available, and the
@@ -1056,7 +1048,11 @@ rwsem_down_read_slowpath(struct rw_semaphore *sem, int state)
}
adjustment += RWSEM_FLAG_WAITERS;
}
- list_add_tail(&waiter.list, &sem->wait_list);
+ trace_android_vh_alter_rwsem_list_add(
+ &waiter,
+ sem, &already_on_list);
+ if (!already_on_list)
+ list_add_tail(&waiter.list, &sem->wait_list);
/* we're now waiting on the lock, but no longer actively locking */
if (adjustment)
@@ -1078,10 +1074,12 @@ rwsem_down_read_slowpath(struct rw_semaphore *sem, int state)
(adjustment & RWSEM_FLAG_WAITERS)))
rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q);
+ trace_android_vh_rwsem_wake(sem);
raw_spin_unlock_irq(&sem->wait_lock);
wake_up_q(&wake_q);
/* wait to be given the lock */
+ trace_android_vh_rwsem_read_wait_start(sem);
for (;;) {
set_current_state(state);
if (!smp_load_acquire(&waiter.task)) {
@@ -1101,6 +1099,7 @@ rwsem_down_read_slowpath(struct rw_semaphore *sem, int state)
}
__set_current_state(TASK_RUNNING);
+ trace_android_vh_rwsem_read_wait_finish(sem);
lockevent_inc(rwsem_rlock);
return sem;
@@ -1112,6 +1111,7 @@ rwsem_down_read_slowpath(struct rw_semaphore *sem, int state)
}
raw_spin_unlock_irq(&sem->wait_lock);
__set_current_state(TASK_RUNNING);
+ trace_android_vh_rwsem_read_wait_finish(sem);
lockevent_inc(rwsem_rlock_fail);
return ERR_PTR(-EINTR);
}
@@ -1141,6 +1141,7 @@ rwsem_down_write_slowpath(struct rw_semaphore *sem, int state)
struct rwsem_waiter waiter;
struct rw_semaphore *ret = sem;
DEFINE_WAKE_Q(wake_q);
+ bool already_on_list = false;
/* do optimistic spinning and steal lock if possible */
if (rwsem_can_spin_on_owner(sem, RWSEM_WR_NONSPINNABLE) &&
@@ -1169,7 +1170,11 @@ rwsem_down_write_slowpath(struct rw_semaphore *sem, int state)
/* account for this before adding a new element to the list */
wstate = list_empty(&sem->wait_list) ? WRITER_FIRST : WRITER_NOT_FIRST;
- list_add_tail(&waiter.list, &sem->wait_list);
+ trace_android_vh_alter_rwsem_list_add(
+ &waiter,
+ sem, &already_on_list);
+ if (!already_on_list)
+ list_add_tail(&waiter.list, &sem->wait_list);
/* we're now waiting on the lock */
if (wstate == WRITER_NOT_FIRST) {
@@ -1205,7 +1210,9 @@ rwsem_down_write_slowpath(struct rw_semaphore *sem, int state)
}
wait:
+ trace_android_vh_rwsem_wake(sem);
/* wait until we successfully acquire the lock */
+ trace_android_vh_rwsem_write_wait_start(sem);
set_current_state(state);
for (;;) {
if (rwsem_try_write_lock(sem, wstate)) {
@@ -1265,6 +1272,7 @@ rwsem_down_write_slowpath(struct rw_semaphore *sem, int state)
raw_spin_lock_irq(&sem->wait_lock);
}
__set_current_state(TASK_RUNNING);
+ trace_android_vh_rwsem_write_wait_finish(sem);
list_del(&waiter.list);
rwsem_disable_reader_optspin(sem, disable_rspin);
raw_spin_unlock_irq(&sem->wait_lock);
@@ -1274,11 +1282,12 @@ rwsem_down_write_slowpath(struct rw_semaphore *sem, int state)
out_nolock:
__set_current_state(TASK_RUNNING);
+ trace_android_vh_rwsem_write_wait_finish(sem);
raw_spin_lock_irq(&sem->wait_lock);
list_del(&waiter.list);
if (unlikely(wstate == WRITER_HANDOFF))
- atomic_long_add(-RWSEM_FLAG_HANDOFF, &sem->count);
+ atomic_long_andnot(RWSEM_FLAG_HANDOFF, &sem->count);
if (list_empty(&sem->wait_list))
atomic_long_andnot(RWSEM_FLAG_WAITERS, &sem->count);
@@ -1304,6 +1313,7 @@ static struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem, long count)
if (!list_empty(&sem->wait_list))
rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q);
+ trace_android_vh_rwsem_wake_finish(sem);
raw_spin_unlock_irqrestore(&sem->wait_lock, flags);
wake_up_q(&wake_q);
@@ -1607,6 +1617,7 @@ EXPORT_SYMBOL(up_read);
void up_write(struct rw_semaphore *sem)
{
rwsem_release(&sem->dep_map, _RET_IP_);
+ trace_android_vh_rwsem_write_finished(sem);
__up_write(sem);
}
EXPORT_SYMBOL(up_write);
@@ -1617,6 +1628,7 @@ EXPORT_SYMBOL(up_write);
void downgrade_write(struct rw_semaphore *sem)
{
lock_downgrade(&sem->dep_map, _RET_IP_);
+ trace_android_vh_rwsem_write_finished(sem);
__downgrade_write(sem);
}
EXPORT_SYMBOL(downgrade_write);
diff --git a/kernel/module.c b/kernel/module.c
index 185b265..ae97749 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -63,6 +63,10 @@
#define CREATE_TRACE_POINTS
#include <trace/events/module.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/module.h>
+#include <trace/hooks/memory.h>
+
#ifndef ARCH_SHF_SMALL
#define ARCH_SHF_SMALL 0
#endif
@@ -88,7 +92,6 @@
* 3) module_addr_min/module_addr_max.
* (delete and add uses RCU list operations). */
DEFINE_MUTEX(module_mutex);
-EXPORT_SYMBOL_GPL(module_mutex);
static LIST_HEAD(modules);
/* Work queue for freeing init sections in success case */
@@ -645,7 +648,6 @@ struct module *find_module(const char *name)
module_assert_mutex();
return find_module_all(name, strlen(name), false);
}
-EXPORT_SYMBOL_GPL(find_module);
#ifdef CONFIG_SMP
@@ -811,6 +813,7 @@ static struct module_attribute modinfo_##field = { \
MODINFO_ATTR(version);
MODINFO_ATTR(srcversion);
+MODINFO_ATTR(scmversion);
static char last_unloaded_module[MODULE_NAME_LEN+1];
@@ -1273,6 +1276,7 @@ static struct module_attribute *modinfo_attrs[] = {
&module_uevent,
&modinfo_version,
&modinfo_srcversion,
+ &modinfo_scmversion,
&modinfo_initstate,
&modinfo_coresize,
&modinfo_initsize,
@@ -2213,6 +2217,8 @@ void __weak module_arch_freeing_init(struct module *mod)
{
}
+static void cfi_cleanup(struct module *mod);
+
/* Free a module, remove from lists, etc. */
static void free_module(struct module *mod)
{
@@ -2252,8 +2258,15 @@ static void free_module(struct module *mod)
synchronize_rcu();
mutex_unlock(&module_mutex);
+ /* Clean up CFI for the module. */
+ cfi_cleanup(mod);
+
/* This may be empty, but that's OK */
module_arch_freeing_init(mod);
+ trace_android_vh_set_memory_rw((unsigned long)mod->init_layout.base,
+ (mod->init_layout.size)>>PAGE_SHIFT);
+ trace_android_vh_set_memory_nx((unsigned long)mod->init_layout.base,
+ (mod->init_layout.size)>>PAGE_SHIFT);
module_memfree(mod->init_layout.base);
kfree(mod->args);
percpu_modfree(mod);
@@ -2262,6 +2275,10 @@ static void free_module(struct module *mod)
lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size);
/* Finally, free the core (containing the module structure) */
+ trace_android_vh_set_memory_rw((unsigned long)mod->core_layout.base,
+ (mod->core_layout.size)>>PAGE_SHIFT);
+ trace_android_vh_set_memory_nx((unsigned long)mod->core_layout.base,
+ (mod->core_layout.size)>>PAGE_SHIFT);
module_memfree(mod->core_layout.base);
}
@@ -3616,7 +3633,15 @@ static void module_deallocate(struct module *mod, struct load_info *info)
{
percpu_modfree(mod);
module_arch_freeing_init(mod);
+ trace_android_vh_set_memory_rw((unsigned long)mod->init_layout.base,
+ (mod->init_layout.size)>>PAGE_SHIFT);
+ trace_android_vh_set_memory_nx((unsigned long)mod->init_layout.base,
+ (mod->init_layout.size)>>PAGE_SHIFT);
module_memfree(mod->init_layout.base);
+ trace_android_vh_set_memory_rw((unsigned long)mod->core_layout.base,
+ (mod->core_layout.size)>>PAGE_SHIFT);
+ trace_android_vh_set_memory_nx((unsigned long)mod->core_layout.base,
+ (mod->core_layout.size)>>PAGE_SHIFT);
module_memfree(mod->core_layout.base);
}
@@ -3774,8 +3799,13 @@ static noinline int do_init_module(struct module *mod)
rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms);
#endif
module_enable_ro(mod, true);
+ trace_android_vh_set_module_permit_after_init(mod);
mod_tree_remove_init(mod);
module_arch_freeing_init(mod);
+ trace_android_vh_set_memory_rw((unsigned long)mod->init_layout.base,
+ (mod->init_layout.size)>>PAGE_SHIFT);
+ trace_android_vh_set_memory_nx((unsigned long)mod->init_layout.base,
+ (mod->init_layout.size)>>PAGE_SHIFT);
mod->init_layout.base = NULL;
mod->init_layout.size = 0;
mod->init_layout.ro_size = 0;
@@ -3882,6 +3912,7 @@ static int complete_formation(struct module *mod, struct load_info *info)
module_enable_ro(mod, false);
module_enable_nx(mod);
module_enable_x(mod);
+ trace_android_vh_set_module_permit_before_init(mod);
/* Mark state as coming so strong_try_module_get() ignores us,
* but kallsyms etc. can see us. */
@@ -3931,6 +3962,8 @@ static int unknown_module_param_cb(char *param, char *val, const char *modname,
return 0;
}
+static void cfi_init(struct module *mod);
+
/* Allocate and load the module: note that size of section 0 is always
zero, and we rely on this for optional sections. */
static int load_module(struct load_info *info, const char __user *uargs,
@@ -4058,6 +4091,9 @@ static int load_module(struct load_info *info, const char __user *uargs,
flush_module_icache(mod);
+ /* Setup CFI for the module. */
+ cfi_init(mod);
+
/* Now copy in args */
mod->args = strndup_user(uargs, ~0UL >> 1);
if (IS_ERR(mod->args)) {
@@ -4131,6 +4167,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
synchronize_rcu();
kfree(mod->args);
free_arch_cleanup:
+ cfi_cleanup(mod);
module_arch_cleanup(mod);
free_modinfo:
free_modinfo(mod);
@@ -4219,6 +4256,11 @@ static inline int is_arm_mapping_symbol(const char *str)
&& (str[2] == '\0' || str[2] == '.');
}
+static inline int is_cfi_typeid_symbol(const char *str)
+{
+ return !strncmp(str, "__typeid__", 10);
+}
+
static const char *kallsyms_symbol_name(struct mod_kallsyms *kallsyms, unsigned int symnum)
{
return kallsyms->strtab + kallsyms->symtab[symnum].st_name;
@@ -4257,7 +4299,8 @@ static const char *find_kallsyms_symbol(struct module *mod,
/* We ignore unnamed symbols: they're uninformative
* and inserted at a whim. */
if (*kallsyms_symbol_name(kallsyms, i) == '\0'
- || is_arm_mapping_symbol(kallsyms_symbol_name(kallsyms, i)))
+ || is_arm_mapping_symbol(kallsyms_symbol_name(kallsyms, i))
+ || is_cfi_typeid_symbol(kallsyms_symbol_name(kallsyms, i)))
continue;
if (thisval <= addr && thisval > bestval) {
@@ -4468,6 +4511,36 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *,
}
#endif /* CONFIG_KALLSYMS */
+static void cfi_init(struct module *mod)
+{
+#ifdef CONFIG_CFI_CLANG
+ initcall_t *init;
+ exitcall_t *exit;
+
+ rcu_read_lock_sched();
+ mod->cfi_check = (cfi_check_fn)
+ find_kallsyms_symbol_value(mod, "__cfi_check");
+ init = (initcall_t *)
+ find_kallsyms_symbol_value(mod, "__cfi_jt_init_module");
+ exit = (exitcall_t *)
+ find_kallsyms_symbol_value(mod, "__cfi_jt_cleanup_module");
+ rcu_read_unlock_sched();
+
+ /* Fix init/exit functions to point to the CFI jump table */
+ if (init) mod->init = *init;
+ if (exit) mod->exit = *exit;
+
+ cfi_module_add(mod, module_addr_min);
+#endif
+}
+
+static void cfi_cleanup(struct module *mod)
+{
+#ifdef CONFIG_CFI_CLANG
+ cfi_module_remove(mod, module_addr_min);
+#endif
+}
+
/* Maximum number of characters written by module_flags() */
#define MODULE_FLAGS_BUF_SIZE (TAINT_FLAGS_COUNT + 4)
@@ -4719,6 +4792,23 @@ void print_modules(void)
pr_cont("\n");
}
+#ifdef CONFIG_ANDROID_DEBUG_SYMBOLS
+void android_debug_for_each_module(int (*fn)(const char *mod_name, void *mod_addr, void *data),
+ void *data)
+{
+ struct module *module;
+
+ preempt_disable();
+ list_for_each_entry_rcu(module, &modules, list) {
+ if (fn(module->name, module->core_layout.base, data))
+ goto out;
+ }
+out:
+ preempt_enable();
+}
+EXPORT_SYMBOL_GPL(android_debug_for_each_module);
+#endif
+
#ifdef CONFIG_MODVERSIONS
/* Generate the signature for all relevant module structures here.
* If these change, we don't want to try to parse the module. */
diff --git a/kernel/pid.c b/kernel/pid.c
index 4856818..48babb1 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -421,6 +421,7 @@ struct task_struct *find_task_by_vpid(pid_t vnr)
{
return find_task_by_pid_ns(vnr, task_active_pid_ns(current));
}
+EXPORT_SYMBOL_GPL(find_task_by_vpid);
struct task_struct *find_get_task_by_vpid(pid_t nr)
{
diff --git a/kernel/power/Makefile b/kernel/power/Makefile
index 5899260..9770575 100644
--- a/kernel/power/Makefile
+++ b/kernel/power/Makefile
@@ -17,4 +17,5 @@
obj-$(CONFIG_MAGIC_SYSRQ) += poweroff.o
+obj-$(CONFIG_SUSPEND) += wakeup_reason.o
obj-$(CONFIG_ENERGY_MODEL) += energy_model.o
diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c
index 119b929..4143012 100644
--- a/kernel/power/energy_model.c
+++ b/kernel/power/energy_model.c
@@ -52,6 +52,17 @@ static int em_debug_cpus_show(struct seq_file *s, void *unused)
}
DEFINE_SHOW_ATTRIBUTE(em_debug_cpus);
+static int em_debug_units_show(struct seq_file *s, void *unused)
+{
+ struct em_perf_domain *pd = s->private;
+ char *units = pd->milliwatts ? "milliWatts" : "bogoWatts";
+
+ seq_printf(s, "%s\n", units);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(em_debug_units);
+
static void em_debug_create_pd(struct device *dev)
{
struct dentry *d;
@@ -64,6 +75,8 @@ static void em_debug_create_pd(struct device *dev)
debugfs_create_file("cpus", 0444, d, dev->em_pd->cpus,
&em_debug_cpus_fops);
+ debugfs_create_file("units", 0444, d, dev->em_pd, &em_debug_units_fops);
+
/* Create a sub-directory for each performance state */
for (i = 0; i < dev->em_pd->nr_perf_states; i++)
em_debug_create_ps(&dev->em_pd->table[i], d);
@@ -245,17 +258,24 @@ EXPORT_SYMBOL_GPL(em_cpu_get);
* @cpus : Pointer to cpumask_t, which in case of a CPU device is
* obligatory. It can be taken from i.e. 'policy->cpus'. For other
* type of devices this should be set to NULL.
+ * @milliwatts : Flag indicating that the power values are in milliWatts or
+ * in some other scale. It must be set properly.
*
* Create Energy Model tables for a performance domain using the callbacks
* defined in cb.
*
+ * The @milliwatts is important to set with correct value. Some kernel
+ * sub-systems might rely on this flag and check if all devices in the EM are
+ * using the same scale.
+ *
* If multiple clients register the same performance domain, all but the first
* registration will be ignored.
*
* Return 0 on success
*/
int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
- struct em_data_callback *cb, cpumask_t *cpus)
+ struct em_data_callback *cb, cpumask_t *cpus,
+ bool milliwatts)
{
unsigned long cap, prev_cap = 0;
int cpu, ret;
@@ -308,6 +328,8 @@ int em_dev_register_perf_domain(struct device *dev, unsigned int nr_states,
if (ret)
goto unlock;
+ dev->em_pd->milliwatts = milliwatts;
+
em_debug_create_pd(dev);
dev_info(dev, "EM: created perf domain\n");
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index bf640fd..b13fe33 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -326,7 +326,7 @@ static int create_image(int platform_mode)
if (!in_suspend) {
events_check_enabled = false;
- clear_free_pages();
+ clear_or_poison_free_pages();
}
platform_leave(platform_mode);
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 24f12d5..778bf43 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -106,7 +106,7 @@ extern int create_basic_memory_bitmaps(void);
extern void free_basic_memory_bitmaps(void);
extern int hibernate_preallocate_memory(void);
-extern void clear_free_pages(void);
+extern void clear_or_poison_free_pages(void);
/**
* Auxiliary structure used for reading the snapshot image data and
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 45b054b..0170cf3 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -23,6 +23,8 @@
#include <trace/events/power.h>
#include <linux/cpuset.h>
+#include <trace/hooks/power.h>
+
/*
* Timeout for stopping processes
*/
@@ -85,26 +87,33 @@ static int try_to_freeze_tasks(bool user_only)
elapsed = ktime_sub(end, start);
elapsed_msecs = ktime_to_ms(elapsed);
- if (todo) {
+ if (wakeup) {
pr_cont("\n");
- pr_err("Freezing of tasks %s after %d.%03d seconds "
- "(%d tasks refusing to freeze, wq_busy=%d):\n",
- wakeup ? "aborted" : "failed",
+ pr_err("Freezing of tasks aborted after %d.%03d seconds",
+ elapsed_msecs / 1000, elapsed_msecs % 1000);
+ } else if (todo) {
+ pr_cont("\n");
+ pr_err("Freezing of tasks failed after %d.%03d seconds"
+ " (%d tasks refusing to freeze, wq_busy=%d):\n",
elapsed_msecs / 1000, elapsed_msecs % 1000,
todo - wq_busy, wq_busy);
if (wq_busy)
show_workqueue_state();
- if (!wakeup || pm_debug_messages_on) {
+ if (pm_debug_messages_on) {
read_lock(&tasklist_lock);
for_each_process_thread(g, p) {
if (p != current && !freezer_should_skip(p)
- && freezing(p) && !frozen(p))
+ && freezing(p) && !frozen(p)) {
sched_show_task(p);
+ trace_android_vh_try_to_freeze_todo_unfrozen(p);
+ }
}
read_unlock(&tasklist_lock);
}
+
+ trace_android_vh_try_to_freeze_todo(todo, elapsed_msecs, wq_busy);
} else {
pr_cont("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000,
elapsed_msecs % 1000);
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index ec7e1e8..8da76f9 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -38,6 +38,9 @@
#include <linux/uaccess.h>
#include <linux/export.h>
#include <trace/events/power.h>
+#undef CREATE_TRACE_POINT
+#include <trace/hooks/power.h>
+
/*
* locking rule: all changes to constraints or notifiers lists
@@ -546,6 +549,7 @@ int freq_qos_add_request(struct freq_constraints *qos,
req->type = 0;
}
+ trace_android_vh_freq_qos_add_request(qos, req, type, value, ret);
return ret;
}
EXPORT_SYMBOL_GPL(freq_qos_add_request);
@@ -570,6 +574,7 @@ int freq_qos_update_request(struct freq_qos_request *req, s32 new_value)
"%s() called for unknown object\n", __func__))
return -EINVAL;
+ trace_android_vh_freq_qos_update_request(req, new_value);
if (req->pnode.prio == new_value)
return 0;
@@ -598,6 +603,7 @@ int freq_qos_remove_request(struct freq_qos_request *req)
"%s() called for unknown object\n", __func__))
return -EINVAL;
+ trace_android_vh_freq_qos_remove_request(req);
ret = freq_qos_apply(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE);
req->qos = NULL;
req->type = 0;
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 46b1804..a3491b2 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1144,7 +1144,15 @@ void free_basic_memory_bitmaps(void)
pr_debug("Basic memory bitmaps freed\n");
}
-void clear_free_pages(void)
+static void clear_or_poison_free_page(struct page *page)
+{
+ if (page_poisoning_enabled_static())
+ __kernel_poison_pages(page, 1);
+ else if (want_init_on_free())
+ clear_highpage(page);
+}
+
+void clear_or_poison_free_pages(void)
{
struct memory_bitmap *bm = free_pages_map;
unsigned long pfn;
@@ -1152,12 +1160,12 @@ void clear_free_pages(void)
if (WARN_ON(!(free_pages_map)))
return;
- if (IS_ENABLED(CONFIG_PAGE_POISONING_ZERO) || want_init_on_free()) {
+ if (page_poisoning_enabled() || want_init_on_free()) {
memory_bm_position_reset(bm);
pfn = memory_bm_next_pfn(bm);
while (pfn != BM_END_OF_MAP) {
if (pfn_valid(pfn))
- clear_highpage(pfn_to_page(pfn));
+ clear_or_poison_free_page(pfn_to_page(pfn));
pfn = memory_bm_next_pfn(bm);
}
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 32391ac..5459583 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -30,6 +30,7 @@
#include <trace/events/power.h>
#include <linux/compiler.h>
#include <linux/moduleparam.h>
+#include <linux/wakeup_reason.h>
#include "power.h"
@@ -139,6 +140,7 @@ static void s2idle_loop(void)
}
pm_wakeup_clear(false);
+ clear_wakeup_reasons();
s2idle_enter();
}
@@ -359,6 +361,7 @@ static int suspend_prepare(suspend_state_t state)
if (!error)
return 0;
+ log_suspend_abort_reason("One or more tasks refusing to freeze");
suspend_stats.failed_freeze++;
dpm_save_failed_step(SUSPEND_FREEZE);
pm_notifier_call_chain(PM_POST_SUSPEND);
@@ -388,7 +391,7 @@ void __weak arch_suspend_enable_irqs(void)
*/
static int suspend_enter(suspend_state_t state, bool *wakeup)
{
- int error;
+ int error, last_dev;
error = platform_suspend_prepare(state);
if (error)
@@ -396,7 +399,11 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
error = dpm_suspend_late(PMSG_SUSPEND);
if (error) {
+ last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1;
+ last_dev %= REC_FAILED_NUM;
pr_err("late suspend of devices failed\n");
+ log_suspend_abort_reason("late suspend of %s device failed",
+ suspend_stats.failed_devs[last_dev]);
goto Platform_finish;
}
error = platform_suspend_prepare_late(state);
@@ -405,7 +412,11 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
error = dpm_suspend_noirq(PMSG_SUSPEND);
if (error) {
+ last_dev = suspend_stats.last_failed_dev + REC_FAILED_NUM - 1;
+ last_dev %= REC_FAILED_NUM;
pr_err("noirq suspend of devices failed\n");
+ log_suspend_abort_reason("noirq suspend of %s device failed",
+ suspend_stats.failed_devs[last_dev]);
goto Platform_early_resume;
}
error = platform_suspend_prepare_noirq(state);
@@ -421,8 +432,10 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
}
error = suspend_disable_secondary_cpus();
- if (error || suspend_test(TEST_CPUS))
+ if (error || suspend_test(TEST_CPUS)) {
+ log_suspend_abort_reason("Disabling non-boot cpus failed");
goto Enable_cpus;
+ }
arch_suspend_disable_irqs();
BUG_ON(!irqs_disabled());
@@ -493,6 +506,8 @@ int suspend_devices_and_enter(suspend_state_t state)
error = dpm_suspend_start(PMSG_SUSPEND);
if (error) {
pr_err("Some devices failed to suspend, or early wake event detected\n");
+ log_suspend_abort_reason(
+ "Some devices failed to suspend, or early wake event detected");
goto Recover_platform;
}
suspend_test_finish("suspend devices");
diff --git a/kernel/power/wakeup_reason.c b/kernel/power/wakeup_reason.c
new file mode 100644
index 0000000..8fefaa3
--- /dev/null
+++ b/kernel/power/wakeup_reason.c
@@ -0,0 +1,438 @@
+/*
+ * kernel/power/wakeup_reason.c
+ *
+ * Logs the reasons which caused the kernel to resume from
+ * the suspend mode.
+ *
+ * Copyright (C) 2020 Google, Inc.
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/wakeup_reason.h>
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kobject.h>
+#include <linux/sysfs.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/notifier.h>
+#include <linux/suspend.h>
+#include <linux/slab.h>
+
+/*
+ * struct wakeup_irq_node - stores data and relationships for IRQs logged as
+ * either base or nested wakeup reasons during suspend/resume flow.
+ * @siblings - for membership on leaf or parent IRQ lists
+ * @irq - the IRQ number
+ * @irq_name - the name associated with the IRQ, or a default if none
+ */
+struct wakeup_irq_node {
+ struct list_head siblings;
+ int irq;
+ const char *irq_name;
+};
+
+enum wakeup_reason_flag {
+ RESUME_NONE = 0,
+ RESUME_IRQ,
+ RESUME_ABORT,
+ RESUME_ABNORMAL,
+};
+
+static DEFINE_SPINLOCK(wakeup_reason_lock);
+
+static LIST_HEAD(leaf_irqs); /* kept in ascending IRQ sorted order */
+static LIST_HEAD(parent_irqs); /* unordered */
+
+static struct kmem_cache *wakeup_irq_nodes_cache;
+
+static const char *default_irq_name = "(unnamed)";
+
+static struct kobject *kobj;
+
+static bool capture_reasons;
+static int wakeup_reason;
+static char non_irq_wake_reason[MAX_SUSPEND_ABORT_LEN];
+
+static ktime_t last_monotime; /* monotonic time before last suspend */
+static ktime_t curr_monotime; /* monotonic time after last suspend */
+static ktime_t last_stime; /* monotonic boottime offset before last suspend */
+static ktime_t curr_stime; /* monotonic boottime offset after last suspend */
+
+static void init_node(struct wakeup_irq_node *p, int irq)
+{
+ struct irq_desc *desc;
+
+ INIT_LIST_HEAD(&p->siblings);
+
+ p->irq = irq;
+ desc = irq_to_desc(irq);
+ if (desc && desc->action && desc->action->name)
+ p->irq_name = desc->action->name;
+ else
+ p->irq_name = default_irq_name;
+}
+
+static struct wakeup_irq_node *create_node(int irq)
+{
+ struct wakeup_irq_node *result;
+
+ result = kmem_cache_alloc(wakeup_irq_nodes_cache, GFP_ATOMIC);
+ if (unlikely(!result))
+ pr_warn("Failed to log wakeup IRQ %d\n", irq);
+ else
+ init_node(result, irq);
+
+ return result;
+}
+
+static void delete_list(struct list_head *head)
+{
+ struct wakeup_irq_node *n;
+
+ while (!list_empty(head)) {
+ n = list_first_entry(head, struct wakeup_irq_node, siblings);
+ list_del(&n->siblings);
+ kmem_cache_free(wakeup_irq_nodes_cache, n);
+ }
+}
+
+static bool add_sibling_node_sorted(struct list_head *head, int irq)
+{
+ struct wakeup_irq_node *n = NULL;
+ struct list_head *predecessor = head;
+
+ if (unlikely(WARN_ON(!head)))
+ return NULL;
+
+ if (!list_empty(head))
+ list_for_each_entry(n, head, siblings) {
+ if (n->irq < irq)
+ predecessor = &n->siblings;
+ else if (n->irq == irq)
+ return true;
+ else
+ break;
+ }
+
+ n = create_node(irq);
+ if (n) {
+ list_add(&n->siblings, predecessor);
+ return true;
+ }
+
+ return false;
+}
+
+static struct wakeup_irq_node *find_node_in_list(struct list_head *head,
+ int irq)
+{
+ struct wakeup_irq_node *n;
+
+ if (unlikely(WARN_ON(!head)))
+ return NULL;
+
+ list_for_each_entry(n, head, siblings)
+ if (n->irq == irq)
+ return n;
+
+ return NULL;
+}
+
+void log_irq_wakeup_reason(int irq)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wakeup_reason_lock, flags);
+ if (wakeup_reason == RESUME_ABNORMAL || wakeup_reason == RESUME_ABORT) {
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+ return;
+ }
+
+ if (!capture_reasons) {
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+ return;
+ }
+
+ if (find_node_in_list(&parent_irqs, irq) == NULL)
+ add_sibling_node_sorted(&leaf_irqs, irq);
+
+ wakeup_reason = RESUME_IRQ;
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+void log_threaded_irq_wakeup_reason(int irq, int parent_irq)
+{
+ struct wakeup_irq_node *parent;
+ unsigned long flags;
+
+ /*
+ * Intentionally unsynchronized. Calls that come in after we have
+ * resumed should have a fast exit path since there's no work to be
+ * done, any any coherence issue that could cause a wrong value here is
+ * both highly improbable - given the set/clear timing - and very low
+ * impact (parent IRQ gets logged instead of the specific child).
+ */
+ if (!capture_reasons)
+ return;
+
+ spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+ if (wakeup_reason == RESUME_ABNORMAL || wakeup_reason == RESUME_ABORT) {
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+ return;
+ }
+
+ if (!capture_reasons || (find_node_in_list(&leaf_irqs, irq) != NULL)) {
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+ return;
+ }
+
+ parent = find_node_in_list(&parent_irqs, parent_irq);
+ if (parent != NULL)
+ add_sibling_node_sorted(&leaf_irqs, irq);
+ else {
+ parent = find_node_in_list(&leaf_irqs, parent_irq);
+ if (parent != NULL) {
+ list_del_init(&parent->siblings);
+ list_add_tail(&parent->siblings, &parent_irqs);
+ add_sibling_node_sorted(&leaf_irqs, irq);
+ }
+ }
+
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+EXPORT_SYMBOL_GPL(log_threaded_irq_wakeup_reason);
+
+static void __log_abort_or_abnormal_wake(bool abort, const char *fmt,
+ va_list args)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+ /* Suspend abort or abnormal wake reason has already been logged. */
+ if (wakeup_reason != RESUME_NONE) {
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+ return;
+ }
+
+ if (abort)
+ wakeup_reason = RESUME_ABORT;
+ else
+ wakeup_reason = RESUME_ABNORMAL;
+
+ vsnprintf(non_irq_wake_reason, MAX_SUSPEND_ABORT_LEN, fmt, args);
+
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+void log_suspend_abort_reason(const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ __log_abort_or_abnormal_wake(true, fmt, args);
+ va_end(args);
+}
+EXPORT_SYMBOL_GPL(log_suspend_abort_reason);
+
+void log_abnormal_wakeup_reason(const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ __log_abort_or_abnormal_wake(false, fmt, args);
+ va_end(args);
+}
+EXPORT_SYMBOL_GPL(log_abnormal_wakeup_reason);
+
+void clear_wakeup_reasons(void)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+ delete_list(&leaf_irqs);
+ delete_list(&parent_irqs);
+ wakeup_reason = RESUME_NONE;
+ capture_reasons = true;
+
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+static void print_wakeup_sources(void)
+{
+ struct wakeup_irq_node *n;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+ capture_reasons = false;
+
+ if (wakeup_reason == RESUME_ABORT) {
+ pr_info("Abort: %s\n", non_irq_wake_reason);
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+ return;
+ }
+
+ if (wakeup_reason == RESUME_IRQ && !list_empty(&leaf_irqs))
+ list_for_each_entry(n, &leaf_irqs, siblings)
+ pr_info("Resume caused by IRQ %d, %s\n", n->irq,
+ n->irq_name);
+ else if (wakeup_reason == RESUME_ABNORMAL)
+ pr_info("Resume caused by %s\n", non_irq_wake_reason);
+ else
+ pr_info("Resume cause unknown\n");
+
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+}
+
+static ssize_t last_resume_reason_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ ssize_t buf_offset = 0;
+ struct wakeup_irq_node *n;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wakeup_reason_lock, flags);
+
+ if (wakeup_reason == RESUME_ABORT) {
+ buf_offset = scnprintf(buf, PAGE_SIZE, "Abort: %s",
+ non_irq_wake_reason);
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+ return buf_offset;
+ }
+
+ if (wakeup_reason == RESUME_IRQ && !list_empty(&leaf_irqs))
+ list_for_each_entry(n, &leaf_irqs, siblings)
+ buf_offset += scnprintf(buf + buf_offset,
+ PAGE_SIZE - buf_offset,
+ "%d %s\n", n->irq, n->irq_name);
+ else if (wakeup_reason == RESUME_ABNORMAL)
+ buf_offset = scnprintf(buf, PAGE_SIZE, "-1 %s",
+ non_irq_wake_reason);
+
+ spin_unlock_irqrestore(&wakeup_reason_lock, flags);
+
+ return buf_offset;
+}
+
+static ssize_t last_suspend_time_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ struct timespec64 sleep_time;
+ struct timespec64 total_time;
+ struct timespec64 suspend_resume_time;
+
+ /*
+ * total_time is calculated from monotonic bootoffsets because
+ * unlike CLOCK_MONOTONIC it include the time spent in suspend state.
+ */
+ total_time = ktime_to_timespec64(ktime_sub(curr_stime, last_stime));
+
+ /*
+ * suspend_resume_time is calculated as monotonic (CLOCK_MONOTONIC)
+ * time interval before entering suspend and post suspend.
+ */
+ suspend_resume_time =
+ ktime_to_timespec64(ktime_sub(curr_monotime, last_monotime));
+
+ /* sleep_time = total_time - suspend_resume_time */
+ sleep_time = timespec64_sub(total_time, suspend_resume_time);
+
+ /* Export suspend_resume_time and sleep_time in pair here. */
+ return sprintf(buf, "%llu.%09lu %llu.%09lu\n",
+ (unsigned long long)suspend_resume_time.tv_sec,
+ suspend_resume_time.tv_nsec,
+ (unsigned long long)sleep_time.tv_sec,
+ sleep_time.tv_nsec);
+}
+
+static struct kobj_attribute resume_reason = __ATTR_RO(last_resume_reason);
+static struct kobj_attribute suspend_time = __ATTR_RO(last_suspend_time);
+
+static struct attribute *attrs[] = {
+ &resume_reason.attr,
+ &suspend_time.attr,
+ NULL,
+};
+static struct attribute_group attr_group = {
+ .attrs = attrs,
+};
+
+/* Detects a suspend and clears all the previous wake up reasons*/
+static int wakeup_reason_pm_event(struct notifier_block *notifier,
+ unsigned long pm_event, void *unused)
+{
+ switch (pm_event) {
+ case PM_SUSPEND_PREPARE:
+ /* monotonic time since boot */
+ last_monotime = ktime_get();
+ /* monotonic time since boot including the time spent in suspend */
+ last_stime = ktime_get_boottime();
+ clear_wakeup_reasons();
+ break;
+ case PM_POST_SUSPEND:
+ /* monotonic time since boot */
+ curr_monotime = ktime_get();
+ /* monotonic time since boot including the time spent in suspend */
+ curr_stime = ktime_get_boottime();
+ print_wakeup_sources();
+ break;
+ default:
+ break;
+ }
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block wakeup_reason_pm_notifier_block = {
+ .notifier_call = wakeup_reason_pm_event,
+};
+
+static int __init wakeup_reason_init(void)
+{
+ if (register_pm_notifier(&wakeup_reason_pm_notifier_block)) {
+ pr_warn("[%s] failed to register PM notifier\n", __func__);
+ goto fail;
+ }
+
+ kobj = kobject_create_and_add("wakeup_reasons", kernel_kobj);
+ if (!kobj) {
+ pr_warn("[%s] failed to create a sysfs kobject\n", __func__);
+ goto fail_unregister_pm_notifier;
+ }
+
+ if (sysfs_create_group(kobj, &attr_group)) {
+ pr_warn("[%s] failed to create a sysfs group\n", __func__);
+ goto fail_kobject_put;
+ }
+
+ wakeup_irq_nodes_cache =
+ kmem_cache_create("wakeup_irq_node_cache",
+ sizeof(struct wakeup_irq_node), 0, 0, NULL);
+ if (!wakeup_irq_nodes_cache)
+ goto fail_remove_group;
+
+ return 0;
+
+fail_remove_group:
+ sysfs_remove_group(kobj, &attr_group);
+fail_kobject_put:
+ kobject_put(kobj);
+fail_unregister_pm_notifier:
+ unregister_pm_notifier(&wakeup_reason_pm_notifier_block);
+fail:
+ return 1;
+}
+
+late_initcall(wakeup_reason_init);
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 85351a1..db4a076 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -54,6 +54,9 @@
#include <trace/events/initcall.h>
#define CREATE_TRACE_POINTS
#include <trace/events/printk.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/printk.h>
+#include <trace/hooks/logbuf.h>
#include "printk_ringbuffer.h"
#include "console_cmdline.h"
@@ -457,12 +460,14 @@ char *log_buf_addr_get(void)
{
return log_buf;
}
+EXPORT_SYMBOL_GPL(log_buf_addr_get);
/* Return log buffer size */
u32 log_buf_len_get(void)
{
return log_buf_len;
}
+EXPORT_SYMBOL_GPL(log_buf_len_get);
/*
* Define how much of the log buffer we could take at maximum. The value
@@ -534,6 +539,8 @@ static int log_store(u32 caller_id, int facility, int level,
else
prb_final_commit(&e);
+ trace_android_vh_logbuf(prb, &r);
+
return (text_len + trunc_msg_len);
}
@@ -1951,6 +1958,8 @@ static size_t log_output(int facility, int level, enum log_flags lflags,
} else {
prb_commit(&e);
}
+
+ trace_android_vh_logbuf_pr_cont(&r, text_len);
return text_len;
}
}
@@ -2324,6 +2333,12 @@ void resume_console(void)
*/
static int console_cpu_notify(unsigned int cpu)
{
+ int flag = 0;
+
+ trace_android_vh_printk_hotplug(&flag);
+ if (flag)
+ return 0;
+
if (!cpuhp_tasks_frozen) {
/* If trylock fails, someone else is doing the printing */
if (console_trylock())
@@ -3106,6 +3121,7 @@ int printk_deferred(const char *fmt, ...)
return r;
}
+EXPORT_SYMBOL_GPL(printk_deferred);
/*
* printk rate limiting, lifted from the networking subsystem.
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
index 0ffe185..9fb0f09 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -521,6 +521,7 @@ static void synchronize_rcu_expedited_wait(void)
if (rcu_stall_is_suppressed())
continue;
panic_on_rcu_stall();
+ trace_rcu_stall_warning(rcu_state.name, TPS("ExpeditedStall"));
pr_err("INFO: %s detected expedited stalls on CPUs/tasks: {",
rcu_state.name);
ndetected = 0;
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 251a9af..c3ae4b6 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -490,6 +490,7 @@ static void print_other_cpu_stall(unsigned long gp_seq, unsigned long gps)
* See Documentation/RCU/stallwarn.rst for info on how to debug
* RCU CPU stall warnings.
*/
+ trace_rcu_stall_warning(rcu_state.name, TPS("StallDetected"));
pr_err("INFO: %s detected stalls on CPUs/tasks:\n", rcu_state.name);
rcu_for_each_leaf_node(rnp) {
raw_spin_lock_irqsave_rcu_node(rnp, flags);
@@ -559,6 +560,7 @@ static void print_cpu_stall(unsigned long gps)
* See Documentation/RCU/stallwarn.rst for info on how to debug
* RCU CPU stall warnings.
*/
+ trace_rcu_stall_warning(rcu_state.name, TPS("SelfDetected"));
pr_err("INFO: %s self-detected stall on CPU\n", rcu_state.name);
raw_spin_lock_irqsave_rcu_node(rdp->mynode, flags);
print_cpu_stall_info(smp_processor_id());
diff --git a/kernel/reboot.c b/kernel/reboot.c
index af6f23d..aa274e1 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -32,7 +32,9 @@ EXPORT_SYMBOL(cad_pid);
#define DEFAULT_REBOOT_MODE
#endif
enum reboot_mode reboot_mode DEFAULT_REBOOT_MODE;
+EXPORT_SYMBOL_GPL(reboot_mode);
enum reboot_mode panic_reboot_mode = REBOOT_UNDEFINED;
+EXPORT_SYMBOL_GPL(panic_reboot_mode);
/*
* This variable is used privately to keep track of whether or not
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 0a5f9fa..74af3b1 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -27,6 +27,9 @@
#include "pelt.h"
#include "smp.h"
+#include <trace/hooks/sched.h>
+#include <trace/hooks/dtask.h>
+
/*
* Export tracepoints that act as a bare tracehook (ie: have no trace event
* associated with them) to allow external modules to probe them.
@@ -41,8 +44,17 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(sched_overutilized_tp);
EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_cfs_tp);
EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_se_tp);
EXPORT_TRACEPOINT_SYMBOL_GPL(sched_update_nr_running_tp);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_switch);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_waking);
+#ifdef CONFIG_SCHEDSTATS
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_sleep);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_wait);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_iowait);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_blocked);
+#endif
DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
+EXPORT_SYMBOL_GPL(runqueues);
#ifdef CONFIG_SCHED_DEBUG
/*
@@ -57,6 +69,7 @@ DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
const_debug unsigned int sysctl_sched_features =
#include "features.h"
0;
+EXPORT_SYMBOL_GPL(sysctl_sched_features);
#undef SCHED_FEAT
#endif
@@ -197,6 +210,7 @@ struct rq *__task_rq_lock(struct task_struct *p, struct rq_flags *rf)
cpu_relax();
}
}
+EXPORT_SYMBOL_GPL(__task_rq_lock);
/*
* task_rq_lock - lock p->pi_lock and lock the rq @p resides on.
@@ -239,6 +253,7 @@ struct rq *task_rq_lock(struct task_struct *p, struct rq_flags *rf)
cpu_relax();
}
}
+EXPORT_SYMBOL_GPL(task_rq_lock);
/*
* RQ-clock updating methods:
@@ -319,6 +334,7 @@ void update_rq_clock(struct rq *rq)
rq->clock += delta;
update_rq_clock_task(rq, delta);
}
+EXPORT_SYMBOL_GPL(update_rq_clock);
static inline void
rq_csd_init(struct rq *rq, struct __call_single_data *csd, smp_call_func_t func)
@@ -531,6 +547,7 @@ static bool __wake_q_add(struct wake_q_head *head, struct task_struct *task)
*/
*head->lastp = node;
head->lastp = &node->next;
+ head->count++;
return true;
}
@@ -587,12 +604,14 @@ void wake_up_q(struct wake_q_head *head)
/* Task can safely be re-inserted now: */
node = node->next;
task->wake_q.next = NULL;
+ task->wake_q_count = head->count;
/*
* wake_up_process() executes a full barrier, which pairs with
* the queueing in wake_q_add() so as not to miss wakeups.
*/
wake_up_process(task);
+ task->wake_q_count = 0;
put_task_struct(task);
}
}
@@ -627,6 +646,7 @@ void resched_curr(struct rq *rq)
else
trace_sched_wake_idle_without_ipi(cpu);
}
+EXPORT_SYMBOL_GPL(resched_curr);
void resched_cpu(int cpu)
{
@@ -654,7 +674,7 @@ int get_nohz_timer_target(void)
int i, cpu = smp_processor_id(), default_cpu = -1;
struct sched_domain *sd;
- if (housekeeping_cpu(cpu, HK_FLAG_TIMER)) {
+ if (housekeeping_cpu(cpu, HK_FLAG_TIMER) && cpu_active(cpu)) {
if (!idle_cpu(cpu))
return cpu;
default_cpu = cpu;
@@ -674,8 +694,25 @@ int get_nohz_timer_target(void)
}
}
- if (default_cpu == -1)
- default_cpu = housekeeping_any_cpu(HK_FLAG_TIMER);
+ if (default_cpu == -1) {
+ for_each_cpu_and(i, cpu_active_mask,
+ housekeeping_cpumask(HK_FLAG_TIMER)) {
+ if (cpu == i)
+ continue;
+
+ if (!idle_cpu(i)) {
+ cpu = i;
+ goto unlock;
+ }
+ }
+
+ /* no active, not-idle, housekpeeing CPU found. */
+ default_cpu = cpumask_any(cpu_active_mask);
+
+ if (unlikely(default_cpu >= nr_cpu_ids))
+ goto unlock;
+ }
+
cpu = default_cpu;
unlock:
rcu_read_unlock();
@@ -927,6 +964,7 @@ static struct uclamp_se uclamp_default[UCLAMP_CNT];
* * An admin modifying the cgroup cpu.uclamp.{min, max}
*/
DEFINE_STATIC_KEY_FALSE(sched_uclamp_used);
+EXPORT_SYMBOL_GPL(sched_uclamp_used);
/* Integer rounded range for each bucket */
#define UCLAMP_BUCKET_DELTA DIV_ROUND_CLOSEST(SCHED_CAPACITY_SCALE, UCLAMP_BUCKETS)
@@ -1100,6 +1138,12 @@ uclamp_eff_get(struct task_struct *p, enum uclamp_id clamp_id)
{
struct uclamp_se uc_req = uclamp_tg_restrict(p, clamp_id);
struct uclamp_se uc_max = uclamp_default[clamp_id];
+ struct uclamp_se uc_eff;
+ int ret = 0;
+
+ trace_android_rvh_uclamp_eff_get(p, clamp_id, &uc_max, &uc_eff, &ret);
+ if (ret)
+ return uc_eff;
/* System default restrictions always apply */
if (unlikely(uc_req.value > uc_max.value))
@@ -1120,6 +1164,7 @@ unsigned long uclamp_eff_value(struct task_struct *p, enum uclamp_id clamp_id)
return (unsigned long)uc_eff.value;
}
+EXPORT_SYMBOL_GPL(uclamp_eff_value);
/*
* When a task is enqueued on a rq, the clamp bucket currently defined by the
@@ -1424,17 +1469,24 @@ int sysctl_sched_uclamp_handler(struct ctl_table *table, int write,
static int uclamp_validate(struct task_struct *p,
const struct sched_attr *attr)
{
- unsigned int lower_bound = p->uclamp_req[UCLAMP_MIN].value;
- unsigned int upper_bound = p->uclamp_req[UCLAMP_MAX].value;
+ int util_min = p->uclamp_req[UCLAMP_MIN].value;
+ int util_max = p->uclamp_req[UCLAMP_MAX].value;
- if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN)
- lower_bound = attr->sched_util_min;
- if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX)
- upper_bound = attr->sched_util_max;
+ if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN) {
+ util_min = attr->sched_util_min;
- if (lower_bound > upper_bound)
- return -EINVAL;
- if (upper_bound > SCHED_CAPACITY_SCALE)
+ if (util_min + 1 > SCHED_CAPACITY_SCALE + 1)
+ return -EINVAL;
+ }
+
+ if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX) {
+ util_max = attr->sched_util_max;
+
+ if (util_max + 1 > SCHED_CAPACITY_SCALE + 1)
+ return -EINVAL;
+ }
+
+ if (util_min != -1 && util_max != -1 && util_min > util_max)
return -EINVAL;
/*
@@ -1449,20 +1501,41 @@ static int uclamp_validate(struct task_struct *p,
return 0;
}
+static bool uclamp_reset(const struct sched_attr *attr,
+ enum uclamp_id clamp_id,
+ struct uclamp_se *uc_se)
+{
+ /* Reset on sched class change for a non user-defined clamp value. */
+ if (likely(!(attr->sched_flags & SCHED_FLAG_UTIL_CLAMP)) &&
+ !uc_se->user_defined)
+ return true;
+
+ /* Reset on sched_util_{min,max} == -1. */
+ if (clamp_id == UCLAMP_MIN &&
+ attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN &&
+ attr->sched_util_min == -1) {
+ return true;
+ }
+
+ if (clamp_id == UCLAMP_MAX &&
+ attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX &&
+ attr->sched_util_max == -1) {
+ return true;
+ }
+
+ return false;
+}
+
static void __setscheduler_uclamp(struct task_struct *p,
const struct sched_attr *attr)
{
enum uclamp_id clamp_id;
- /*
- * On scheduling class change, reset to default clamps for tasks
- * without a task-specific value.
- */
for_each_clamp_id(clamp_id) {
struct uclamp_se *uc_se = &p->uclamp_req[clamp_id];
+ unsigned int value;
- /* Keep using defined clamps across class changes */
- if (uc_se->user_defined)
+ if (!uclamp_reset(attr, clamp_id, uc_se))
continue;
/*
@@ -1470,23 +1543,29 @@ static void __setscheduler_uclamp(struct task_struct *p,
* at runtime.
*/
if (unlikely(rt_task(p) && clamp_id == UCLAMP_MIN))
- __uclamp_update_util_min_rt_default(p);
+ value = sysctl_sched_uclamp_util_min_rt_default;
else
- uclamp_se_set(uc_se, uclamp_none(clamp_id), false);
+ value = uclamp_none(clamp_id);
+
+ uclamp_se_set(uc_se, value, false);
}
if (likely(!(attr->sched_flags & SCHED_FLAG_UTIL_CLAMP)))
return;
- if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN) {
+ if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MIN &&
+ attr->sched_util_min != -1) {
uclamp_se_set(&p->uclamp_req[UCLAMP_MIN],
attr->sched_util_min, true);
+ trace_android_vh_setscheduler_uclamp(p, UCLAMP_MIN, attr->sched_util_min);
}
- if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX) {
+ if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP_MAX &&
+ attr->sched_util_max != -1) {
uclamp_se_set(&p->uclamp_req[UCLAMP_MAX],
attr->sched_util_max, true);
+ trace_android_vh_setscheduler_uclamp(p, UCLAMP_MAX, attr->sched_util_max);
}
}
@@ -1580,7 +1659,9 @@ static inline void enqueue_task(struct rq *rq, struct task_struct *p, int flags)
}
uclamp_rq_inc(rq, p);
+ trace_android_rvh_enqueue_task(rq, p, flags);
p->sched_class->enqueue_task(rq, p, flags);
+ trace_android_rvh_after_enqueue_task(rq, p);
}
static inline void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
@@ -1594,7 +1675,9 @@ static inline void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
}
uclamp_rq_dec(rq, p);
+ trace_android_rvh_dequeue_task(rq, p, flags);
p->sched_class->dequeue_task(rq, p, flags);
+ trace_android_rvh_after_dequeue_task(rq, p);
}
void activate_task(struct rq *rq, struct task_struct *p, int flags)
@@ -1603,6 +1686,7 @@ void activate_task(struct rq *rq, struct task_struct *p, int flags)
p->on_rq = TASK_ON_RQ_QUEUED;
}
+EXPORT_SYMBOL_GPL(activate_task);
void deactivate_task(struct rq *rq, struct task_struct *p, int flags)
{
@@ -1610,6 +1694,7 @@ void deactivate_task(struct rq *rq, struct task_struct *p, int flags)
dequeue_task(rq, p, flags);
}
+EXPORT_SYMBOL_GPL(deactivate_task);
static inline int __normal_prio(int policy, int rt_prio, int nice)
{
@@ -1702,6 +1787,7 @@ void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
if (task_on_rq_queued(rq->curr) && test_tsk_need_resched(rq->curr))
rq_clock_skip_update(rq);
}
+EXPORT_SYMBOL_GPL(check_preempt_curr);
#ifdef CONFIG_SMP
@@ -1717,7 +1803,10 @@ static inline bool is_cpu_allowed(struct task_struct *p, int cpu)
if (is_per_cpu_kthread(p))
return cpu_online(cpu);
- return cpu_active(cpu);
+ if (!cpu_active(cpu))
+ return false;
+
+ return cpumask_test_cpu(cpu, task_cpu_possible_mask(p));
}
/*
@@ -1742,12 +1831,24 @@ static inline bool is_cpu_allowed(struct task_struct *p, int cpu)
static struct rq *move_queued_task(struct rq *rq, struct rq_flags *rf,
struct task_struct *p, int new_cpu)
{
+ int detached = 0;
+
lockdep_assert_held(&rq->lock);
+ /*
+ * The vendor hook may drop the lock temporarily, so
+ * pass the rq flags to unpin lock. We expect the
+ * rq lock to be held after return.
+ */
+ trace_android_rvh_migrate_queued_task(rq, rf, p, new_cpu, &detached);
+ if (detached)
+ goto attach;
+
deactivate_task(rq, p, DEQUEUE_NOCLOCK);
set_task_cpu(p, new_cpu);
- rq_unlock(rq, rf);
+attach:
+ rq_unlock(rq, rf);
rq = cpu_rq(new_cpu);
rq_lock(rq, rf);
@@ -1837,6 +1938,7 @@ void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_ma
{
cpumask_copy(&p->cpus_mask, new_mask);
p->nr_cpus_allowed = cpumask_weight(new_mask);
+ trace_android_rvh_set_cpus_allowed_comm(p, new_mask);
}
void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
@@ -1869,24 +1971,19 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
}
/*
- * Change a given task's CPU affinity. Migrate the thread to a
- * proper CPU and schedule it away if the CPU it's executing on
- * is removed from the allowed bitmask.
- *
- * NOTE: the caller must have a valid reference to the task, the
- * task must not exit() & deallocate itself prematurely. The
- * call is not atomic; no spinlocks may be held.
+ * Called with both p->pi_lock and rq->lock held; drops both before returning.
*/
-static int __set_cpus_allowed_ptr(struct task_struct *p,
- const struct cpumask *new_mask, bool check)
+static int __set_cpus_allowed_ptr_locked(struct task_struct *p,
+ const struct cpumask *new_mask,
+ bool check,
+ struct rq *rq,
+ struct rq_flags *rf)
{
const struct cpumask *cpu_valid_mask = cpu_active_mask;
+ const struct cpumask *cpu_allowed_mask = task_cpu_possible_mask(p);
unsigned int dest_cpu;
- struct rq_flags rf;
- struct rq *rq;
int ret = 0;
- rq = task_rq_lock(p, &rf);
update_rq_clock(rq);
if (p->flags & PF_KTHREAD) {
@@ -1894,6 +1991,9 @@ static int __set_cpus_allowed_ptr(struct task_struct *p,
* Kernel threads are allowed on online && !active CPUs
*/
cpu_valid_mask = cpu_online_mask;
+ } else if (!cpumask_subset(new_mask, cpu_allowed_mask)) {
+ ret = -EINVAL;
+ goto out;
}
/*
@@ -1938,7 +2038,7 @@ static int __set_cpus_allowed_ptr(struct task_struct *p,
if (task_running(rq, p) || p->state == TASK_WAKING) {
struct migration_arg arg = { p, dest_cpu };
/* Need help from migration thread: drop lock and wait. */
- task_rq_unlock(rq, p, &rf);
+ task_rq_unlock(rq, p, rf);
stop_one_cpu(cpu_of(rq), migration_cpu_stop, &arg);
return 0;
} else if (task_on_rq_queued(p)) {
@@ -1946,20 +2046,107 @@ static int __set_cpus_allowed_ptr(struct task_struct *p,
* OK, since we're going to drop the lock immediately
* afterwards anyway.
*/
- rq = move_queued_task(rq, &rf, p, dest_cpu);
+ rq = move_queued_task(rq, rf, p, dest_cpu);
}
out:
- task_rq_unlock(rq, p, &rf);
+ task_rq_unlock(rq, p, rf);
return ret;
}
+/*
+ * Change a given task's CPU affinity. Migrate the thread to a
+ * proper CPU and schedule it away if the CPU it's executing on
+ * is removed from the allowed bitmask.
+ *
+ * NOTE: the caller must have a valid reference to the task, the
+ * task must not exit() & deallocate itself prematurely. The
+ * call is not atomic; no spinlocks may be held.
+ */
+static int __set_cpus_allowed_ptr(struct task_struct *p,
+ const struct cpumask *new_mask, bool check)
+{
+ struct rq_flags rf;
+ struct rq *rq;
+
+ rq = task_rq_lock(p, &rf);
+ return __set_cpus_allowed_ptr_locked(p, new_mask, check, rq, &rf);
+}
+
int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask)
{
return __set_cpus_allowed_ptr(p, new_mask, false);
}
EXPORT_SYMBOL_GPL(set_cpus_allowed_ptr);
+/*
+ * Change a given task's CPU affinity to the intersection of its current
+ * affinity mask and @subset_mask, writing the resulting mask to @new_mask.
+ * If the resulting mask is empty, leave the affinity unchanged and return
+ * -EINVAL.
+ */
+static int restrict_cpus_allowed_ptr(struct task_struct *p,
+ struct cpumask *new_mask,
+ const struct cpumask *subset_mask)
+{
+ struct rq_flags rf;
+ struct rq *rq;
+
+ rq = task_rq_lock(p, &rf);
+ if (!cpumask_and(new_mask, &p->cpus_mask, subset_mask)) {
+ task_rq_unlock(rq, p, &rf);
+ return -EINVAL;
+ }
+
+ return __set_cpus_allowed_ptr_locked(p, new_mask, false, rq, &rf);
+}
+
+/*
+ * Restrict a given task's CPU affinity so that it is a subset of
+ * task_cpu_possible_mask(). If the resulting mask is empty, we warn and
+ * walk up the cpuset hierarchy until we find a suitable mask.
+ */
+void force_compatible_cpus_allowed_ptr(struct task_struct *p)
+{
+ cpumask_var_t new_mask;
+ const struct cpumask *override_mask = task_cpu_possible_mask(p);
+
+ alloc_cpumask_var(&new_mask, GFP_KERNEL);
+
+ /*
+ * __migrate_task() can fail silently in the face of concurrent
+ * offlining of the chosen destination CPU, so take the hotplug
+ * lock to ensure that the migration succeeds.
+ */
+ trace_android_rvh_force_compatible_pre(NULL);
+ cpus_read_lock();
+ if (!cpumask_available(new_mask))
+ goto out_set_mask;
+
+ if (!restrict_cpus_allowed_ptr(p, new_mask, override_mask))
+ goto out_free_mask;
+
+ /*
+ * We failed to find a valid subset of the affinity mask for the
+ * task, so override it based on its cpuset hierarchy.
+ */
+ cpuset_cpus_allowed(p, new_mask);
+ override_mask = new_mask;
+
+out_set_mask:
+ if (printk_ratelimit()) {
+ printk_deferred("Overriding affinity for process %d (%s) to CPUs %*pbl\n",
+ task_pid_nr(p), p->comm,
+ cpumask_pr_args(override_mask));
+ }
+
+ WARN_ON(set_cpus_allowed_ptr(p, override_mask));
+out_free_mask:
+ cpus_read_unlock();
+ trace_android_rvh_force_compatible_post(NULL);
+ free_cpumask_var(new_mask);
+}
+
void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
{
#ifdef CONFIG_SCHED_DEBUG
@@ -2007,12 +2194,13 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
p->se.nr_migrations++;
rseq_migrate(p);
perf_event_task_migrate(p);
+ trace_android_rvh_set_task_cpu(p, new_cpu);
}
__set_task_cpu(p, new_cpu);
}
+EXPORT_SYMBOL_GPL(set_task_cpu);
-#ifdef CONFIG_NUMA_BALANCING
static void __migrate_swap_task(struct task_struct *p, int cpu)
{
if (task_on_rq_queued(p)) {
@@ -2127,7 +2315,7 @@ int migrate_swap(struct task_struct *cur, struct task_struct *p,
out:
return ret;
}
-#endif /* CONFIG_NUMA_BALANCING */
+EXPORT_SYMBOL_GPL(migrate_swap);
/*
* wait_task_inactive - wait for a thread to unschedule.
@@ -2289,7 +2477,11 @@ static int select_fallback_rq(int cpu, struct task_struct *p)
int nid = cpu_to_node(cpu);
const struct cpumask *nodemask = NULL;
enum { cpuset, possible, fail } state = cpuset;
- int dest_cpu;
+ int dest_cpu = -1;
+
+ trace_android_rvh_select_fallback_rq(cpu, p, &dest_cpu);
+ if (dest_cpu >= 0)
+ return dest_cpu;
/*
* If the node that the CPU is on has been offlined, cpu_to_node()
@@ -2301,9 +2493,7 @@ static int select_fallback_rq(int cpu, struct task_struct *p)
/* Look for allowed, online CPU in same node. */
for_each_cpu(dest_cpu, nodemask) {
- if (!cpu_active(dest_cpu))
- continue;
- if (cpumask_test_cpu(dest_cpu, p->cpus_ptr))
+ if (is_cpu_allowed(p, dest_cpu))
return dest_cpu;
}
}
@@ -2327,10 +2517,9 @@ static int select_fallback_rq(int cpu, struct task_struct *p)
}
fallthrough;
case possible:
- do_set_cpus_allowed(p, cpu_possible_mask);
+ do_set_cpus_allowed(p, task_cpu_possible_mask(p));
state = fail;
break;
-
case fail:
BUG();
break;
@@ -2502,6 +2691,9 @@ ttwu_do_activate(struct rq *rq, struct task_struct *p, int wake_flags,
{
int en_flags = ENQUEUE_WAKEUP | ENQUEUE_NOCLOCK;
+ if (wake_flags & WF_SYNC)
+ en_flags |= ENQUEUE_WAKEUP_SYNC;
+
lockdep_assert_held(&rq->lock);
if (p->sched_contributes_to_load)
@@ -2647,6 +2839,7 @@ void wake_up_if_idle(int cpu)
out:
rcu_read_unlock();
}
+EXPORT_SYMBOL_GPL(wake_up_if_idle);
bool cpus_share_cache(int this_cpu, int that_cpu)
{
@@ -2679,7 +2872,12 @@ static inline bool ttwu_queue_cond(int cpu, int wake_flags)
static bool ttwu_queue_wakelist(struct task_struct *p, int cpu, int wake_flags)
{
- if (sched_feat(TTWU_QUEUE) && ttwu_queue_cond(cpu, wake_flags)) {
+ bool cond = false;
+
+ trace_android_rvh_ttwu_cond(&cond);
+
+ if ((sched_feat(TTWU_QUEUE) && ttwu_queue_cond(cpu, wake_flags)) ||
+ cond) {
if (WARN_ON_ONCE(cpu == smp_processor_id()))
return false;
@@ -2874,6 +3072,19 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
if (!(p->state & state))
goto unlock;
+#ifdef CONFIG_FREEZER
+ /*
+ * If we're going to wake up a thread which may be frozen, then
+ * we can only do so if we have an active CPU which is capable of
+ * running it. This may not be the case when resuming from suspend,
+ * as the secondary CPUs may not yet be back online. See __thaw_task()
+ * for the actual wakeup.
+ */
+ if (unlikely(frozen_or_skipped(p)) &&
+ !cpumask_intersects(cpu_active_mask, task_cpu_possible_mask(p)))
+ goto unlock;
+#endif
+
trace_sched_waking(p);
/* We're going to change ->state: */
@@ -2905,6 +3116,9 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
if (READ_ONCE(p->on_rq) && ttwu_runnable(p, wake_flags))
goto unlock;
+ if (p->state & TASK_UNINTERRUPTIBLE)
+ trace_sched_blocked_reason(p);
+
#ifdef CONFIG_SMP
/*
* Ensure we load p->on_cpu _after_ p->on_rq, otherwise it would be
@@ -2973,6 +3187,8 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
*/
smp_cond_load_acquire(&p->on_cpu, !VAL);
+ trace_android_rvh_try_to_wake_up(p);
+
cpu = select_task_rq(p, p->wake_cpu, SD_BALANCE_WAKE, wake_flags);
if (task_cpu(p) != cpu) {
if (p->in_iowait) {
@@ -2992,8 +3208,10 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
unlock:
raw_spin_unlock_irqrestore(&p->pi_lock, flags);
out:
- if (success)
+ if (success) {
+ trace_android_rvh_try_to_wake_up_success(p);
ttwu_stat(p, task_cpu(p), wake_flags);
+ }
preempt_enable();
return success;
@@ -3088,6 +3306,8 @@ static void __sched_fork(unsigned long clone_flags, struct task_struct *p)
p->se.cfs_rq = NULL;
#endif
+ trace_android_rvh_sched_fork_init(p);
+
#ifdef CONFIG_SCHEDSTATS
/* Even if schedstat is disabled, there should not be garbage */
memset(&p->se.statistics, 0, sizeof(p->se.statistics));
@@ -3234,6 +3454,8 @@ static inline void init_schedstats(void) {}
*/
int sched_fork(unsigned long clone_flags, struct task_struct *p)
{
+ trace_android_rvh_sched_fork(p);
+
__sched_fork(clone_flags, p);
/*
* We mark the process as NEW here. This guarantees that
@@ -3246,6 +3468,7 @@ int sched_fork(unsigned long clone_flags, struct task_struct *p)
* Make sure we do not leak PI boosting priority to the child.
*/
p->prio = current->normal_prio;
+ trace_android_rvh_prepare_prio_fork(p);
uclamp_fork(p);
@@ -3278,6 +3501,7 @@ int sched_fork(unsigned long clone_flags, struct task_struct *p)
p->sched_class = &fair_sched_class;
init_entity_runnable_average(&p->se);
+ trace_android_rvh_finish_prio_fork(p);
#ifdef CONFIG_SCHED_INFO
if (likely(sched_info_on()))
@@ -3348,6 +3572,8 @@ void wake_up_new_task(struct task_struct *p)
struct rq_flags rf;
struct rq *rq;
+ trace_android_rvh_wake_up_new_task(p);
+
raw_spin_lock_irqsave(&p->pi_lock, rf.flags);
p->state = TASK_RUNNING;
#ifdef CONFIG_SMP
@@ -3366,6 +3592,7 @@ void wake_up_new_task(struct task_struct *p)
rq = __task_rq_lock(p, &rf);
update_rq_clock(rq);
post_init_entity_util_avg(p);
+ trace_android_rvh_new_task_stats(p);
activate_task(rq, p, ENQUEUE_NOCLOCK);
trace_sched_wakeup_new(p);
@@ -3657,6 +3884,7 @@ static struct rq *finish_task_switch(struct task_struct *prev)
* task and put them back on the free list.
*/
kprobe_flush_task(prev);
+ trace_android_rvh_flush_task(prev);
/* Task is done with its stack. */
put_task_stack(prev);
@@ -3903,6 +4131,11 @@ void sched_exec(void)
struct task_struct *p = current;
unsigned long flags;
int dest_cpu;
+ bool cond = false;
+
+ trace_android_rvh_sched_exec(&cond);
+ if (cond)
+ return;
raw_spin_lock_irqsave(&p->pi_lock, flags);
dest_cpu = p->sched_class->select_task_rq(p, task_cpu(p), SD_BALANCE_EXEC, 0);
@@ -3988,6 +4221,7 @@ unsigned long long task_sched_runtime(struct task_struct *p)
return ns;
}
+EXPORT_SYMBOL_GPL(task_sched_runtime);
/*
* This function gets called by the timer code, with HZ frequency.
@@ -4006,6 +4240,7 @@ void scheduler_tick(void)
rq_lock(rq, &rf);
+ trace_android_rvh_tick_entry(rq);
update_rq_clock(rq);
thermal_pressure = arch_scale_thermal_pressure(cpu_of(rq));
update_thermal_load_avg(rq_clock_thermal(rq), rq, thermal_pressure);
@@ -4021,6 +4256,8 @@ void scheduler_tick(void)
rq->idle_balance = idle_cpu(cpu);
trigger_load_balance(rq);
#endif
+
+ trace_android_vh_scheduler_tick(rq);
}
#ifdef CONFIG_NO_HZ_FULL
@@ -4277,6 +4514,8 @@ static noinline void __schedule_bug(struct task_struct *prev)
if (panic_on_warn)
panic("scheduling while atomic\n");
+ trace_android_rvh_schedule_bug(prev);
+
dump_stack();
add_taint(TAINT_WARN, LOCKDEP_STILL_OK);
}
@@ -4509,6 +4748,7 @@ static void __sched notrace __schedule(bool preempt)
clear_tsk_need_resched(prev);
clear_preempt_need_resched();
+ trace_android_rvh_schedule(prev, next, rq);
if (likely(prev != next)) {
rq->nr_switches++;
/*
@@ -4809,7 +5049,7 @@ asmlinkage __visible void __sched preempt_schedule_irq(void)
int default_wake_function(wait_queue_entry_t *curr, unsigned mode, int wake_flags,
void *key)
{
- WARN_ON_ONCE(IS_ENABLED(CONFIG_SCHED_DEBUG) && wake_flags & ~WF_SYNC);
+ WARN_ON_ONCE(IS_ENABLED(CONFIG_SCHED_DEBUG) && wake_flags & ~(WF_SYNC | WF_ANDROID_VENDOR));
return try_to_wake_up(curr->private, mode, wake_flags);
}
EXPORT_SYMBOL(default_wake_function);
@@ -4862,6 +5102,7 @@ void rt_mutex_setprio(struct task_struct *p, struct task_struct *pi_task)
struct rq_flags rf;
struct rq *rq;
+ trace_android_rvh_rtmutex_prepare_setprio(p, pi_task);
/* XXX used to be waiter->prio, not waiter->task->prio */
prio = __rt_effective_prio(pi_task, p->normal_prio);
@@ -4978,12 +5219,13 @@ static inline int rt_effective_prio(struct task_struct *p, int prio)
void set_user_nice(struct task_struct *p, long nice)
{
- bool queued, running;
+ bool queued, running, allowed = false;
int old_prio;
struct rq_flags rf;
struct rq *rq;
- if (task_nice(p) == nice || nice < MIN_NICE || nice > MAX_NICE)
+ trace_android_rvh_set_user_nice(p, &nice, &allowed);
+ if ((task_nice(p) == nice || nice < MIN_NICE || nice > MAX_NICE) && !allowed)
return;
/*
* We have to be careful, if called from sys_setpriority(),
@@ -5132,6 +5374,7 @@ int available_idle_cpu(int cpu)
return 1;
}
+EXPORT_SYMBOL_GPL(available_idle_cpu);
/**
* idle_task - return the idle task for a given CPU.
@@ -5292,6 +5535,10 @@ static int __sched_setscheduler(struct task_struct *p,
/* Normal users shall not reset the sched_reset_on_fork flag: */
if (p->sched_reset_on_fork && !reset_on_fork)
return -EPERM;
+
+ /* Can't change util-clamps */
+ if (attr->sched_flags & SCHED_FLAG_UTIL_CLAMP)
+ return -EPERM;
}
if (user) {
@@ -5310,9 +5557,6 @@ static int __sched_setscheduler(struct task_struct *p,
return retval;
}
- if (pi)
- cpuset_read_lock();
-
/*
* Make sure no PI-waiters arrive (or leave) while we are
* changing the priority of the task:
@@ -5387,8 +5631,6 @@ static int __sched_setscheduler(struct task_struct *p,
if (unlikely(oldpolicy != -1 && oldpolicy != p->policy)) {
policy = oldpolicy = -1;
task_rq_unlock(rq, p, &rf);
- if (pi)
- cpuset_read_unlock();
goto recheck;
}
@@ -5431,6 +5673,7 @@ static int __sched_setscheduler(struct task_struct *p,
if (!(attr->sched_flags & SCHED_FLAG_KEEP_PARAMS)) {
__setscheduler_params(p, attr);
__setscheduler_prio(p, newprio);
+ trace_android_rvh_setscheduler(p);
}
__setscheduler_uclamp(p, attr);
@@ -5453,10 +5696,8 @@ static int __sched_setscheduler(struct task_struct *p,
preempt_disable();
task_rq_unlock(rq, p, &rf);
- if (pi) {
- cpuset_read_unlock();
+ if (pi)
rt_mutex_adjust_pi(p);
- }
/* Run balance callbacks after we've adjusted the PI chain: */
balance_callback(rq);
@@ -5466,8 +5707,6 @@ static int __sched_setscheduler(struct task_struct *p,
unlock:
task_rq_unlock(rq, p, &rf);
- if (pi)
- cpuset_read_unlock();
return retval;
}
@@ -5506,16 +5745,19 @@ int sched_setscheduler(struct task_struct *p, int policy,
{
return _sched_setscheduler(p, policy, param, true);
}
+EXPORT_SYMBOL_GPL(sched_setscheduler);
int sched_setattr(struct task_struct *p, const struct sched_attr *attr)
{
return __sched_setscheduler(p, attr, true, true);
}
+EXPORT_SYMBOL_GPL(sched_setattr);
int sched_setattr_nocheck(struct task_struct *p, const struct sched_attr *attr)
{
return __sched_setscheduler(p, attr, false, true);
}
+EXPORT_SYMBOL_GPL(sched_setattr_nocheck);
/**
* sched_setscheduler_nocheck - change the scheduling policy and/or RT priority of a thread from kernelspace.
@@ -5535,6 +5777,7 @@ int sched_setscheduler_nocheck(struct task_struct *p, int policy,
{
return _sched_setscheduler(p, policy, param, false);
}
+EXPORT_SYMBOL_GPL(sched_setscheduler_nocheck);
/*
* SCHED_FIFO is a broken scheduler model; that is, it is fundamentally
@@ -5596,14 +5839,9 @@ do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param)
rcu_read_lock();
retval = -ESRCH;
p = find_process_by_pid(pid);
- if (likely(p))
- get_task_struct(p);
- rcu_read_unlock();
-
- if (likely(p)) {
+ if (p != NULL)
retval = sched_setscheduler(p, policy, &lparam);
- put_task_struct(p);
- }
+ rcu_read_unlock();
return retval;
}
@@ -5653,6 +5891,16 @@ static int sched_copy_attr(struct sched_attr __user *uattr, struct sched_attr *a
return -E2BIG;
}
+static void get_params(struct task_struct *p, struct sched_attr *attr)
+{
+ if (task_has_dl_policy(p))
+ __getparam_dl(p, attr);
+ else if (task_has_rt_policy(p))
+ attr->sched_priority = p->rt_priority;
+ else
+ attr->sched_nice = task_nice(p);
+}
+
/**
* sys_sched_setscheduler - set/change the scheduler policy and RT priority
* @pid: the pid in question.
@@ -5714,6 +5962,8 @@ SYSCALL_DEFINE3(sched_setattr, pid_t, pid, struct sched_attr __user *, uattr,
rcu_read_unlock();
if (likely(p)) {
+ if (attr.sched_flags & SCHED_FLAG_KEEP_PARAMS)
+ get_params(p, &attr);
retval = sched_setattr(p, &attr);
put_task_struct(p);
}
@@ -5862,12 +6112,8 @@ SYSCALL_DEFINE4(sched_getattr, pid_t, pid, struct sched_attr __user *, uattr,
kattr.sched_policy = p->policy;
if (p->sched_reset_on_fork)
kattr.sched_flags |= SCHED_FLAG_RESET_ON_FORK;
- if (task_has_dl_policy(p))
- __getparam_dl(p, &kattr);
- else if (task_has_rt_policy(p))
- kattr.sched_priority = p->rt_priority;
- else
- kattr.sched_nice = task_nice(p);
+ get_params(p, &kattr);
+ kattr.sched_flags &= SCHED_FLAG_ALL;
#ifdef CONFIG_UCLAMP_TASK
/*
@@ -5893,6 +6139,7 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
cpumask_var_t cpus_allowed, new_mask;
struct task_struct *p;
int retval;
+ int skip = 0;
rcu_read_lock();
@@ -5928,6 +6175,9 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
rcu_read_unlock();
}
+ trace_android_vh_sched_setaffinity_early(p, in_mask, &skip);
+ if (skip)
+ goto out_free_new_mask;
retval = security_task_setscheduler(p);
if (retval)
goto out_free_new_mask;
@@ -5968,6 +6218,9 @@ long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
goto again;
}
}
+
+ trace_android_rvh_sched_setaffinity(p, in_mask, &retval);
+
out_free_new_mask:
free_cpumask_var(new_mask);
out_free_cpus_allowed:
@@ -6094,6 +6347,8 @@ static void do_sched_yield(void)
schedstat_inc(rq->yld_count);
current->sched_class->yield_task(rq);
+ trace_android_rvh_do_sched_yield(rq);
+
preempt_disable();
rq_unlock_irq(rq, &rf);
sched_preempt_enable_no_resched();
@@ -6443,6 +6698,7 @@ void sched_show_task(struct task_struct *p)
(unsigned long)task_thread_info(p)->flags);
print_worker_info(KERN_INFO, p);
+ trace_android_vh_sched_show_task(p);
show_stack(p, NULL, KERN_INFO);
put_task_stack(p);
}
@@ -6721,11 +6977,14 @@ static struct task_struct *__pick_migrate_task(struct rq *rq)
* Called with rq->lock held even though we'er in stop_machine() and
* there's no concurrency possible, we hold the required locks anyway
* because of lock validation efforts.
+ *
+ * force: if false, the function will skip CPU pinned kthreads.
*/
-static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
+static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf, bool force)
{
struct rq *rq = dead_rq;
- struct task_struct *next, *stop = rq->stop;
+ struct task_struct *next, *tmp, *stop = rq->stop;
+ LIST_HEAD(percpu_kthreads);
struct rq_flags orf = *rf;
int dest_cpu;
@@ -6747,6 +7006,11 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
*/
update_rq_clock(rq);
+#ifdef CONFIG_SCHED_DEBUG
+ /* note the clock update in orf */
+ orf.clock_update_flags |= RQCF_UPDATED;
+#endif
+
for (;;) {
/*
* There's this thread running, bail when that's the only
@@ -6758,6 +7022,20 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
next = __pick_migrate_task(rq);
/*
+ * Argh ... no iterator for tasks, we need to remove the
+ * kthread from the run-queue to continue.
+ */
+ if (!force && is_per_cpu_kthread(next)) {
+ INIT_LIST_HEAD(&next->percpu_kthread_node);
+ list_add(&next->percpu_kthread_node, &percpu_kthreads);
+
+ /* DEQUEUE_SAVE not used due to move_entity in rt */
+ deactivate_task(rq, next,
+ DEQUEUE_NOCLOCK);
+ continue;
+ }
+
+ /*
* Rules for changing task_struct::cpus_mask are holding
* both pi_lock and rq->lock, such that holding either
* stabilizes the mask.
@@ -6775,7 +7053,14 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
* changed the task, WARN if weird stuff happened, because in
* that case the above rq->lock drop is a fail too.
*/
- if (WARN_ON(task_rq(next) != rq || !task_on_rq_queued(next))) {
+ if (task_rq(next) != rq || !task_on_rq_queued(next)) {
+ /*
+ * In the !force case, there is a hole between
+ * rq_unlock() and rq_relock(), where another CPU might
+ * not observe an up to date cpu_active_mask and try to
+ * move tasks around.
+ */
+ WARN_ON(force);
raw_spin_unlock(&next->pi_lock);
continue;
}
@@ -6792,8 +7077,50 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
raw_spin_unlock(&next->pi_lock);
}
+ list_for_each_entry_safe(next, tmp, &percpu_kthreads,
+ percpu_kthread_node) {
+
+ /* ENQUEUE_RESTORE not used due to move_entity in rt */
+ activate_task(rq, next, ENQUEUE_NOCLOCK);
+ list_del(&next->percpu_kthread_node);
+ }
+
rq->stop = stop;
}
+
+static int drain_rq_cpu_stop(void *data)
+{
+ struct rq *rq = this_rq();
+ struct rq_flags rf;
+
+ rq_lock_irqsave(rq, &rf);
+ migrate_tasks(rq, &rf, false);
+ rq_unlock_irqrestore(rq, &rf);
+
+ return 0;
+}
+
+int sched_cpu_drain_rq(unsigned int cpu)
+{
+ struct cpu_stop_work *rq_drain = &(cpu_rq(cpu)->drain);
+ struct cpu_stop_done *rq_drain_done = &(cpu_rq(cpu)->drain_done);
+
+ if (idle_cpu(cpu)) {
+ rq_drain->done = NULL;
+ return 0;
+ }
+
+ return stop_one_cpu_async(cpu, drain_rq_cpu_stop, NULL, rq_drain,
+ rq_drain_done);
+}
+
+void sched_cpu_drain_rq_wait(unsigned int cpu)
+{
+ struct cpu_stop_work *rq_drain = &(cpu_rq(cpu)->drain);
+
+ if (rq_drain->done)
+ cpu_stop_work_wait(rq_drain);
+}
#endif /* CONFIG_HOTPLUG_CPU */
void set_rq_online(struct rq *rq)
@@ -6909,22 +7236,32 @@ int sched_cpu_activate(unsigned int cpu)
}
rq_unlock_irqrestore(rq, &rf);
+ update_max_interval();
+
return 0;
}
-int sched_cpu_deactivate(unsigned int cpu)
+int sched_cpus_activate(struct cpumask *cpus)
+{
+ unsigned int cpu;
+
+ for_each_cpu(cpu, cpus) {
+ if (sched_cpu_activate(cpu)) {
+ for_each_cpu_and(cpu, cpus, cpu_active_mask)
+ sched_cpu_deactivate(cpu);
+
+ return -EBUSY;
+ }
+ }
+
+ return 0;
+}
+
+int _sched_cpu_deactivate(unsigned int cpu)
{
int ret;
set_cpu_active(cpu, false);
- /*
- * We've cleared cpu_active_mask, wait for all preempt-disabled and RCU
- * users of this state to go away such that all new such users will
- * observe it.
- *
- * Do sync before park smpboot threads to take care the rcu boost case.
- */
- synchronize_rcu();
#ifdef CONFIG_SCHED_SMT
/*
@@ -6943,6 +7280,46 @@ int sched_cpu_deactivate(unsigned int cpu)
return ret;
}
sched_domains_numa_masks_clear(cpu);
+
+ update_max_interval();
+
+ return 0;
+}
+
+int sched_cpu_deactivate(unsigned int cpu)
+{
+ int ret = _sched_cpu_deactivate(cpu);
+
+ if (ret)
+ return ret;
+
+ /*
+ * We've cleared cpu_active_mask, wait for all preempt-disabled and RCU
+ * users of this state to go away such that all new such users will
+ * observe it.
+ *
+ * Do sync before park smpboot threads to take care the rcu boost case.
+ */
+ synchronize_rcu();
+
+ return 0;
+}
+
+int sched_cpus_deactivate_nosync(struct cpumask *cpus)
+{
+ unsigned int cpu;
+
+ for_each_cpu(cpu, cpus) {
+ if (_sched_cpu_deactivate(cpu)) {
+ for_each_cpu(cpu, cpus) {
+ if (!cpu_active(cpu))
+ sched_cpu_activate(cpu);
+ }
+
+ return -EBUSY;
+ }
+ }
+
return 0;
}
@@ -6951,13 +7328,13 @@ static void sched_rq_cpu_starting(unsigned int cpu)
struct rq *rq = cpu_rq(cpu);
rq->calc_load_update = calc_load_update;
- update_max_interval();
}
int sched_cpu_starting(unsigned int cpu)
{
sched_rq_cpu_starting(cpu);
sched_tick_start(cpu);
+ trace_android_rvh_sched_cpu_starting(cpu);
return 0;
}
@@ -6975,12 +7352,13 @@ int sched_cpu_dying(unsigned int cpu)
BUG_ON(!cpumask_test_cpu(cpu, rq->rd->span));
set_rq_offline(rq);
}
- migrate_tasks(rq, &rf);
+ migrate_tasks(rq, &rf, true);
BUG_ON(rq->nr_running != 1);
rq_unlock_irqrestore(rq, &rf);
+ trace_android_rvh_sched_cpu_dying(cpu);
+
calc_load_migrate(rq);
- update_max_interval();
nohz_balance_exit_idle(rq);
hrtick_clear(rq);
return 0;
@@ -7003,6 +7381,7 @@ void __init sched_init_smp(void)
/* Move init over to a non-isolated CPU */
if (set_cpus_allowed_ptr(current, housekeeping_cpumask(HK_FLAG_DOMAIN)) < 0)
BUG();
+
sched_init_granularity();
init_sched_rt_class();
@@ -7038,7 +7417,9 @@ int in_sched_functions(unsigned long addr)
* Every task in system belongs to this group at bootup.
*/
struct task_group root_task_group;
+EXPORT_SYMBOL_GPL(root_task_group);
LIST_HEAD(task_groups);
+EXPORT_SYMBOL_GPL(task_groups);
/* Cacheline aligned slab cache for task_group */
static struct kmem_cache *task_group_cache __read_mostly;
@@ -7288,6 +7669,9 @@ void ___might_sleep(const char *file, int line, int preempt_offset)
pr_err("Preemption disabled at:");
print_ip_sym(KERN_ERR, preempt_disable_ip);
}
+
+ trace_android_rvh_schedule_bug(NULL);
+
dump_stack();
add_taint(TAINT_WARN, LOCKDEP_STILL_OK);
}
@@ -7608,6 +7992,7 @@ static int cpu_cgroup_css_online(struct cgroup_subsys_state *css)
mutex_unlock(&uclamp_mutex);
#endif
+ trace_android_rvh_cpu_cgroup_online(css);
return 0;
}
@@ -7673,6 +8058,9 @@ static int cpu_cgroup_can_attach(struct cgroup_taskset *tset)
if (ret)
break;
}
+
+ trace_android_rvh_cpu_cgroup_can_attach(tset, &ret);
+
return ret;
}
@@ -7683,6 +8071,8 @@ static void cpu_cgroup_attach(struct cgroup_taskset *tset)
cgroup_taskset_for_each(task, css, tset)
sched_move_task(task);
+
+ trace_android_rvh_cpu_cgroup_attach(tset);
}
#ifdef CONFIG_UCLAMP_TASK_GROUP
@@ -7860,6 +8250,27 @@ static int cpu_uclamp_max_show(struct seq_file *sf, void *v)
cpu_uclamp_print(sf, UCLAMP_MAX);
return 0;
}
+
+static int cpu_uclamp_ls_write_u64(struct cgroup_subsys_state *css,
+ struct cftype *cftype, u64 ls)
+{
+ struct task_group *tg;
+
+ if (ls > 1)
+ return -EINVAL;
+ tg = css_tg(css);
+ tg->latency_sensitive = (unsigned int) ls;
+
+ return 0;
+}
+
+static u64 cpu_uclamp_ls_read_u64(struct cgroup_subsys_state *css,
+ struct cftype *cft)
+{
+ struct task_group *tg = css_tg(css);
+
+ return (u64) tg->latency_sensitive;
+}
#endif /* CONFIG_UCLAMP_TASK_GROUP */
#ifdef CONFIG_FAIR_GROUP_SCHED
@@ -8228,6 +8639,12 @@ static struct cftype cpu_legacy_files[] = {
.seq_show = cpu_uclamp_max_show,
.write = cpu_uclamp_max_write,
},
+ {
+ .name = "uclamp.latency_sensitive",
+ .flags = CFTYPE_NOT_ON_ROOT,
+ .read_u64 = cpu_uclamp_ls_read_u64,
+ .write_u64 = cpu_uclamp_ls_write_u64,
+ },
#endif
{ } /* Terminate */
};
@@ -8409,6 +8826,12 @@ static struct cftype cpu_files[] = {
.seq_show = cpu_uclamp_max_show,
.write = cpu_uclamp_max_write,
},
+ {
+ .name = "uclamp.latency_sensitive",
+ .flags = CFTYPE_NOT_ON_ROOT,
+ .read_u64 = cpu_uclamp_ls_read_u64,
+ .write_u64 = cpu_uclamp_ls_write_u64,
+ },
#endif
{ } /* terminate */
};
diff --git a/kernel/sched/cpufreq.c b/kernel/sched/cpufreq.c
index 7c2fe50..17fa956 100644
--- a/kernel/sched/cpufreq.c
+++ b/kernel/sched/cpufreq.c
@@ -10,6 +10,7 @@
#include "sched.h"
DEFINE_PER_CPU(struct update_util_data __rcu *, cpufreq_update_util_data);
+EXPORT_PER_CPU_SYMBOL_GPL(cpufreq_update_util_data);
/**
* cpufreq_add_update_util_hook - Populate the CPU's update_util_data pointer.
@@ -75,3 +76,4 @@ bool cpufreq_this_cpu_can_update(struct cpufreq_policy *policy)
(policy->dvfs_possible_from_any_cpu &&
rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data)));
}
+EXPORT_SYMBOL_GPL(cpufreq_this_cpu_can_update);
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 5e39da0..b365895 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -12,6 +12,7 @@
#include <linux/sched/cpufreq.h>
#include <trace/events/power.h>
+#include <trace/hooks/sched.h>
#define IOWAIT_BOOST_MIN (SCHED_CAPACITY_SCALE / 8)
@@ -162,8 +163,14 @@ static unsigned int get_next_freq(struct sugov_policy *sg_policy,
struct cpufreq_policy *policy = sg_policy->policy;
unsigned int freq = arch_scale_freq_invariant() ?
policy->cpuinfo.max_freq : policy->cur;
+ unsigned long next_freq = 0;
- freq = map_util_freq(util, freq, max);
+ trace_android_vh_map_util_freq(util, freq, max, &next_freq, policy,
+ &sg_policy->need_freq_update);
+ if (next_freq)
+ freq = next_freq;
+ else
+ freq = map_util_freq(util, freq, max);
if (freq == sg_policy->cached_raw_freq && !sg_policy->need_freq_update)
return sg_policy->next_freq;
@@ -277,6 +284,7 @@ unsigned long schedutil_cpu_util(int cpu, unsigned long util_cfs,
return min(max, util);
}
+EXPORT_SYMBOL_GPL(schedutil_cpu_util);
static unsigned long sugov_get_util(struct sugov_cpu *sg_cpu)
{
@@ -903,36 +911,3 @@ struct cpufreq_governor *cpufreq_default_governor(void)
#endif
cpufreq_governor_init(schedutil_gov);
-
-#ifdef CONFIG_ENERGY_MODEL
-extern bool sched_energy_update;
-extern struct mutex sched_energy_mutex;
-
-static void rebuild_sd_workfn(struct work_struct *work)
-{
- mutex_lock(&sched_energy_mutex);
- sched_energy_update = true;
- rebuild_sched_domains();
- sched_energy_update = false;
- mutex_unlock(&sched_energy_mutex);
-}
-static DECLARE_WORK(rebuild_sd_work, rebuild_sd_workfn);
-
-/*
- * EAS shouldn't be attempted without sugov, so rebuild the sched_domains
- * on governor changes to make sure the scheduler knows about it.
- */
-void sched_cpufreq_governor_change(struct cpufreq_policy *policy,
- struct cpufreq_governor *old_gov)
-{
- if (old_gov == &schedutil_gov || policy->governor == &schedutil_gov) {
- /*
- * When called from the cpufreq_register_driver() path, the
- * cpu_hotplug_lock is already held, so use a work item to
- * avoid nested locking in rebuild_sched_domains().
- */
- schedule_work(&rebuild_sd_work);
- }
-
-}
-#endif
diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 0033731..cb11531 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -41,8 +41,29 @@ static int convert_prio(int prio)
return cpupri;
}
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+/**
+ * drop_nopreempt_cpus - remove likely nonpreemptible cpus from the mask
+ * @lowest_mask: mask with selected CPUs (non-NULL)
+ */
+static void
+drop_nopreempt_cpus(struct cpumask *lowest_mask)
+{
+ unsigned int cpu = cpumask_first(lowest_mask);
+ while (cpu < nr_cpu_ids) {
+ /* unlocked access */
+ struct task_struct *task = READ_ONCE(cpu_rq(cpu)->curr);
+ if (task_may_not_preempt(task, cpu)) {
+ cpumask_clear_cpu(cpu, lowest_mask);
+ }
+ cpu = cpumask_next(cpu, lowest_mask);
+ }
+}
+#endif
+
static inline int __cpupri_find(struct cpupri *cp, struct task_struct *p,
- struct cpumask *lowest_mask, int idx)
+ struct cpumask *lowest_mask, int idx,
+ bool drop_nopreempts)
{
struct cpupri_vec *vec = &cp->pri_to_cpu[idx];
int skip = 0;
@@ -78,6 +99,12 @@ static inline int __cpupri_find(struct cpupri *cp, struct task_struct *p,
if (lowest_mask) {
cpumask_and(lowest_mask, p->cpus_ptr, vec->mask);
+ cpumask_and(lowest_mask, lowest_mask, cpu_active_mask);
+
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+ if (drop_nopreempts)
+ drop_nopreempt_cpus(lowest_mask);
+#endif
/*
* We have to ensure that we have at least one bit
@@ -123,12 +150,16 @@ int cpupri_find_fitness(struct cpupri *cp, struct task_struct *p,
{
int task_pri = convert_prio(p->prio);
int idx, cpu;
+ bool drop_nopreempts = task_pri <= MAX_RT_PRIO;
BUG_ON(task_pri >= CPUPRI_NR_PRIORITIES);
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+retry:
+#endif
for (idx = 0; idx < task_pri; idx++) {
- if (!__cpupri_find(cp, p, lowest_mask, idx))
+ if (!__cpupri_find(cp, p, lowest_mask, idx, drop_nopreempts))
continue;
if (!lowest_mask || !fitness_fn)
@@ -151,6 +182,17 @@ int cpupri_find_fitness(struct cpupri *cp, struct task_struct *p,
}
/*
+ * If we can't find any non-preemptible cpu's, retry so we can
+ * find the lowest priority target and avoid priority inversion.
+ */
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+ if (drop_nopreempts) {
+ drop_nopreempts = false;
+ goto retry;
+ }
+#endif
+
+ /*
* If we failed to find a fitting lowest_mask, kick off a new search
* but without taking into account any fitness criteria this time.
*
@@ -172,6 +214,7 @@ int cpupri_find_fitness(struct cpupri *cp, struct task_struct *p,
return 0;
}
+EXPORT_SYMBOL_GPL(cpupri_find_fitness);
/**
* cpupri_set - update the CPU priority setting
@@ -290,3 +333,16 @@ void cpupri_cleanup(struct cpupri *cp)
for (i = 0; i < CPUPRI_NR_PRIORITIES; i++)
free_cpumask_var(cp->pri_to_cpu[i].mask);
}
+
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+/*
+ * cpupri_check_rt - check if CPU has a RT task
+ * should be called from rcu-sched read section.
+ */
+bool cpupri_check_rt(void)
+{
+ int cpu = raw_smp_processor_id();
+
+ return cpu_rq(cpu)->rd->cpupri.cpu_to_pri[cpu] > CPUPRI_NORMAL;
+}
+#endif
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 5a55d23..3431478 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -2,7 +2,9 @@
/*
* Simple CPU accounting cgroup controller
*/
+#include <linux/cpufreq_times.h>
#include "sched.h"
+#include <trace/hooks/sched.h>
#ifdef CONFIG_IRQ_TIME_ACCOUNTING
@@ -18,6 +20,7 @@
* compromise in place of having locks on each irq in account_system_time.
*/
DEFINE_PER_CPU(struct irqtime, cpu_irqtime);
+EXPORT_PER_CPU_SYMBOL_GPL(cpu_irqtime);
static int sched_clock_irqtime;
@@ -70,6 +73,8 @@ void irqtime_account_irq(struct task_struct *curr)
irqtime_account_delta(irqtime, delta, CPUTIME_IRQ);
else if (in_serving_softirq() && curr != this_cpu_ksoftirqd())
irqtime_account_delta(irqtime, delta, CPUTIME_SOFTIRQ);
+
+ trace_android_rvh_account_irq(curr, cpu, delta);
}
EXPORT_SYMBOL_GPL(irqtime_account_irq);
@@ -129,6 +134,9 @@ void account_user_time(struct task_struct *p, u64 cputime)
/* Account for user time used */
acct_account_cputime(p);
+
+ /* Account power usage for user time */
+ cpufreq_acct_update_power(p, cputime);
}
/*
@@ -173,6 +181,9 @@ void account_system_index_time(struct task_struct *p,
/* Account for system time used */
acct_account_cputime(p);
+
+ /* Account power usage for system time */
+ cpufreq_acct_update_power(p, cputime);
}
/*
@@ -388,6 +399,7 @@ static void irqtime_account_process_tick(struct task_struct *p, int user_tick,
} else {
account_system_index_time(p, cputime, CPUTIME_SYSTEM);
}
+ trace_android_vh_irqtime_account_process_tick(p, this_rq(), user_tick, ticks);
}
static void irqtime_account_idle_ticks(int ticks)
@@ -460,6 +472,7 @@ void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st)
*ut = cputime.utime;
*st = cputime.stime;
}
+EXPORT_SYMBOL_GPL(thread_group_cputime_adjusted);
#else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE: */
@@ -474,6 +487,7 @@ void account_process_tick(struct task_struct *p, int user_tick)
if (vtime_accounting_enabled_this_cpu())
return;
+ trace_android_vh_account_task_time(p, this_rq(), user_tick);
if (sched_clock_irqtime) {
irqtime_account_process_tick(p, user_tick, 1);
@@ -629,6 +643,8 @@ void thread_group_cputime_adjusted(struct task_struct *p, u64 *ut, u64 *st)
thread_group_cputime(p, &cputime);
cputime_adjust(&cputime, &p->signal->prev_cputime, ut, st);
}
+EXPORT_SYMBOL_GPL(thread_group_cputime_adjusted);
+
#endif /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index a3ae00c..1623044 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -2376,9 +2376,13 @@ void dl_add_task_root_domain(struct task_struct *p)
struct rq *rq;
struct dl_bw *dl_b;
- rq = task_rq_lock(p, &rf);
- if (!dl_task(p))
- goto unlock;
+ raw_spin_lock_irqsave(&p->pi_lock, rf.flags);
+ if (!dl_task(p)) {
+ raw_spin_unlock_irqrestore(&p->pi_lock, rf.flags);
+ return;
+ }
+
+ rq = __task_rq_lock(p, &rf);
dl_b = &rq->rd->dl_bw;
raw_spin_lock(&dl_b->lock);
@@ -2387,7 +2391,6 @@ void dl_add_task_root_domain(struct task_struct *p)
raw_spin_unlock(&dl_b->lock);
-unlock:
task_rq_unlock(rq, p, &rf);
}
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 70a5782..9c95334d 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -48,10 +48,11 @@ static unsigned long nsec_low(unsigned long long nsec)
#define SCHED_FEAT(name, enabled) \
#name ,
-static const char * const sched_feat_names[] = {
+const char * const sched_feat_names[] = {
#include "features.h"
};
+EXPORT_SYMBOL_GPL(sched_feat_names);
#undef SCHED_FEAT
static int sched_feat_show(struct seq_file *m, void *v)
@@ -79,6 +80,7 @@ static int sched_feat_show(struct seq_file *m, void *v)
struct static_key sched_feat_keys[__SCHED_FEAT_NR] = {
#include "features.h"
};
+EXPORT_SYMBOL_GPL(sched_feat_keys);
#undef SCHED_FEAT
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c004e3b..7d009aa 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -22,6 +22,10 @@
*/
#include "sched.h"
+#include <trace/hooks/sched.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_runtime);
+
/*
* Targeted preemption latency for CPU-bound tasks:
*
@@ -36,6 +40,7 @@
* (default: 6ms * (1 + ilog(ncpus)), units: nanoseconds)
*/
unsigned int sysctl_sched_latency = 6000000ULL;
+EXPORT_SYMBOL_GPL(sysctl_sched_latency);
static unsigned int normalized_sysctl_sched_latency = 6000000ULL;
/*
@@ -57,6 +62,7 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_L
* (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds)
*/
unsigned int sysctl_sched_min_granularity = 750000ULL;
+EXPORT_SYMBOL_GPL(sysctl_sched_min_granularity);
static unsigned int normalized_sysctl_sched_min_granularity = 750000ULL;
/*
@@ -579,6 +585,7 @@ static void __enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
struct sched_entity *entry;
bool leftmost = true;
+ trace_android_rvh_enqueue_entity(cfs_rq, se);
/*
* Find the right place in the rbtree:
*/
@@ -604,6 +611,7 @@ static void __enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
static void __dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
+ trace_android_rvh_dequeue_entity(cfs_rq, se);
rb_erase_cached(&se->run_node, &cfs_rq->tasks_timeline);
}
@@ -831,6 +839,8 @@ void post_init_entity_util_avg(struct task_struct *p)
return;
}
+ /* Hook before this se's util is attached to cfs_rq's util */
+ trace_android_rvh_post_init_entity_util_avg(se);
attach_entity_cfs_rq(se);
}
@@ -3501,9 +3511,10 @@ update_tg_cfs_runnable(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cf
static inline void
update_tg_cfs_load(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq *gcfs_rq)
{
- long delta, running_sum, runnable_sum = gcfs_rq->prop_runnable_sum;
+ long delta_avg, running_sum, runnable_sum = gcfs_rq->prop_runnable_sum;
unsigned long load_avg;
u64 load_sum = 0;
+ s64 delta_sum;
u32 divider;
if (!runnable_sum)
@@ -3550,13 +3561,13 @@ update_tg_cfs_load(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq
load_sum = (s64)se_weight(se) * runnable_sum;
load_avg = div_s64(load_sum, divider);
- delta = load_avg - se->avg.load_avg;
+ delta_sum = load_sum - (s64)se_weight(se) * se->avg.load_sum;
+ delta_avg = load_avg - se->avg.load_avg;
se->avg.load_sum = runnable_sum;
se->avg.load_avg = load_avg;
-
- add_positive(&cfs_rq->avg.load_avg, delta);
- cfs_rq->avg.load_sum = cfs_rq->avg.load_avg * divider;
+ add_positive(&cfs_rq->avg.load_avg, delta_avg);
+ add_positive(&cfs_rq->avg.load_sum, delta_sum);
}
static inline void add_tg_cfs_propagate(struct cfs_rq *cfs_rq, long runnable_sum)
@@ -3672,15 +3683,15 @@ update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq)
r = removed_load;
sub_positive(&sa->load_avg, r);
- sa->load_sum = sa->load_avg * divider;
+ sub_positive(&sa->load_sum, r * divider);
r = removed_util;
sub_positive(&sa->util_avg, r);
- sa->util_sum = sa->util_avg * divider;
+ sub_positive(&sa->util_sum, r * divider);
r = removed_runnable;
sub_positive(&sa->runnable_avg, r);
- sa->runnable_sum = sa->runnable_avg * divider;
+ sub_positive(&sa->runnable_sum, r * divider);
/*
* removed_runnable is the unweighted version of removed_load so we
@@ -3767,17 +3778,11 @@ static void attach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *s
*/
static void detach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
- /*
- * cfs_rq->avg.period_contrib can be used for both cfs_rq and se.
- * See ___update_load_avg() for details.
- */
- u32 divider = get_pelt_divider(&cfs_rq->avg);
-
dequeue_load_avg(cfs_rq, se);
sub_positive(&cfs_rq->avg.util_avg, se->avg.util_avg);
- cfs_rq->avg.util_sum = cfs_rq->avg.util_avg * divider;
+ sub_positive(&cfs_rq->avg.util_sum, se->avg.util_sum);
sub_positive(&cfs_rq->avg.runnable_avg, se->avg.runnable_avg);
- cfs_rq->avg.runnable_sum = cfs_rq->avg.runnable_avg * divider;
+ sub_positive(&cfs_rq->avg.runnable_sum, se->avg.runnable_sum);
add_tg_cfs_propagate(cfs_rq, -se->avg.load_sum);
@@ -3799,6 +3804,7 @@ static inline void update_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *s
u64 now = cfs_rq_clock_pelt(cfs_rq);
int decayed;
+ trace_android_vh_prepare_update_load_avg_se(se, flags);
/*
* Track task load average for carrying it to new CPU after migrated, and
* track group sched_entity load average for task_h_load calc in migration
@@ -3806,6 +3812,8 @@ static inline void update_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *s
if (se->avg.last_update_time && !(flags & SKIP_AGE_LOAD))
__update_load_avg_se(now, cfs_rq, se);
+ trace_android_vh_finish_update_load_avg_se(se, flags);
+
decayed = update_cfs_rq_load_avg(now, cfs_rq);
decayed |= propagate_entity_load_avg(se);
@@ -3860,7 +3868,9 @@ static void sync_entity_load_avg(struct sched_entity *se)
u64 last_update_time;
last_update_time = cfs_rq_last_update_time(cfs_rq);
+ trace_android_vh_prepare_update_load_avg_se(se, 0);
__update_load_avg_blocked_se(last_update_time, se);
+ trace_android_vh_finish_update_load_avg_se(se, 0);
}
/*
@@ -3984,6 +3994,11 @@ static inline void util_est_update(struct cfs_rq *cfs_rq,
{
long last_ewma_diff, last_enqueued_diff;
struct util_est ue;
+ int ret = 0;
+
+ trace_android_rvh_util_est_update(cfs_rq, p, task_sleep, &ret);
+ if (ret)
+ return;
if (!sched_feat(UTIL_EST))
return;
@@ -4071,7 +4086,10 @@ static inline int task_fits_capacity(struct task_struct *p, long capacity)
static inline void update_misfit_status(struct task_struct *p, struct rq *rq)
{
- if (!static_branch_unlikely(&sched_asym_cpucapacity))
+ bool need_update = true;
+
+ trace_android_rvh_update_misfit_status(p, rq, &need_update);
+ if (!static_branch_unlikely(&sched_asym_cpucapacity) || !need_update)
return;
if (!p || p->nr_cpus_allowed == 1) {
@@ -4170,6 +4188,7 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial)
/* ensure we never gain time by being placed backwards. */
se->vruntime = max_vruntime(se->vruntime, vruntime);
+ trace_android_rvh_place_entity(cfs_rq, se, initial, vruntime);
}
static void check_enqueue_throttle(struct cfs_rq *cfs_rq);
@@ -4393,9 +4412,14 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr)
unsigned long ideal_runtime, delta_exec;
struct sched_entity *se;
s64 delta;
+ bool skip_preempt = false;
ideal_runtime = sched_slice(cfs_rq, curr);
delta_exec = curr->sum_exec_runtime - curr->prev_sum_exec_runtime;
+ trace_android_rvh_check_preempt_tick(current, &ideal_runtime, &skip_preempt,
+ delta_exec, cfs_rq, curr, sysctl_sched_min_granularity);
+ if (skip_preempt)
+ return;
if (delta_exec > ideal_runtime) {
resched_curr(rq_of(cfs_rq));
/*
@@ -4424,8 +4448,7 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr)
resched_curr(rq_of(cfs_rq));
}
-static void
-set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
+void set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
/* 'current' is not kept within the tree. */
if (se->on_rq) {
@@ -4456,6 +4479,8 @@ set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
se->prev_sum_exec_runtime = se->sum_exec_runtime;
}
+EXPORT_SYMBOL_GPL(set_next_entity);
+
static int
wakeup_preempt_entity(struct sched_entity *curr, struct sched_entity *se);
@@ -4471,7 +4496,11 @@ static struct sched_entity *
pick_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *curr)
{
struct sched_entity *left = __pick_first_entity(cfs_rq);
- struct sched_entity *se;
+ struct sched_entity *se = NULL;
+
+ trace_android_rvh_pick_next_entity(cfs_rq, curr, &se);
+ if (se)
+ goto done;
/*
* If curr is set we have to see if its left of the leftmost entity
@@ -4513,6 +4542,7 @@ pick_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *curr)
se = cfs_rq->last;
}
+done:
clear_buddies(cfs_rq, se);
return se;
@@ -4577,6 +4607,7 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued)
if (cfs_rq->nr_running > 1)
check_preempt_tick(cfs_rq, curr);
+ trace_android_rvh_entity_tick(cfs_rq, curr);
}
@@ -5474,6 +5505,12 @@ static inline unsigned long cpu_util(int cpu);
static inline bool cpu_overutilized(int cpu)
{
+ int overutilized = -1;
+
+ trace_android_rvh_cpu_overutilized(cpu, &overutilized);
+ if (overutilized != -1)
+ return overutilized;
+
return !fits_capacity(cpu_util(cpu), capacity_of(cpu));
}
@@ -5514,6 +5551,7 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags)
struct sched_entity *se = &p->se;
int idle_h_nr_running = task_has_idle_policy(p);
int task_new = !(flags & ENQUEUE_WAKEUP);
+ int should_iowait_boost;
/*
* The code below (indirectly) updates schedutil which looks at
@@ -5528,7 +5566,9 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags)
* utilization updates, so do it here explicitly with the IOWAIT flag
* passed.
*/
- if (p->in_iowait)
+ should_iowait_boost = p->in_iowait;
+ trace_android_rvh_set_iowait(p, &should_iowait_boost);
+ if (should_iowait_boost)
cpufreq_update_util(rq, SCHED_CPUFREQ_IOWAIT);
for_each_sched_entity(se) {
@@ -5547,6 +5587,7 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags)
flags = ENQUEUE_WAKEUP;
}
+ trace_android_rvh_enqueue_task_fair(rq, p, flags);
for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
@@ -5653,6 +5694,7 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
flags |= DEQUEUE_SLEEP;
}
+ trace_android_rvh_dequeue_task_fair(rq, p, flags);
for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
@@ -6536,6 +6578,7 @@ compute_energy(struct task_struct *p, int dst_cpu, struct perf_domain *pd)
struct cpumask *pd_mask = perf_domain_span(pd);
unsigned long cpu_cap = arch_scale_cpu_capacity(cpumask_first(pd_mask));
unsigned long max_util = 0, sum_util = 0;
+ unsigned long energy = 0;
int cpu;
/*
@@ -6572,7 +6615,11 @@ compute_energy(struct task_struct *p, int dst_cpu, struct perf_domain *pd)
max_util = max(max_util, cpu_util);
}
- return em_cpu_energy(pd->em_pd, max_util, sum_util);
+ trace_android_vh_em_cpu_energy(pd->em_pd, max_util, sum_util, &energy);
+ if (!energy)
+ energy = em_cpu_energy(pd->em_pd, max_util, sum_util);
+
+ return energy;
}
/*
@@ -6614,20 +6661,39 @@ compute_energy(struct task_struct *p, int dst_cpu, struct perf_domain *pd)
* other use-cases too. So, until someone finds a better way to solve this,
* let's keep things simple by re-using the existing slow path.
*/
-static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu)
+static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu, int sync)
{
unsigned long prev_delta = ULONG_MAX, best_delta = ULONG_MAX;
struct root_domain *rd = cpu_rq(smp_processor_id())->rd;
+ int max_spare_cap_cpu_ls = prev_cpu, best_idle_cpu = -1;
+ unsigned long max_spare_cap_ls = 0, target_cap;
unsigned long cpu_cap, util, base_energy = 0;
+ bool boosted, latency_sensitive = false;
+ unsigned int min_exit_lat = UINT_MAX;
int cpu, best_energy_cpu = prev_cpu;
+ struct cpuidle_state *idle;
struct sched_domain *sd;
struct perf_domain *pd;
+ int new_cpu = INT_MAX;
+
+ sync_entity_load_avg(&p->se);
+ trace_android_rvh_find_energy_efficient_cpu(p, prev_cpu, sync, &new_cpu);
+ if (new_cpu != INT_MAX)
+ return new_cpu;
rcu_read_lock();
pd = rcu_dereference(rd->pd);
if (!pd || READ_ONCE(rd->overutilized))
goto fail;
+ cpu = smp_processor_id();
+ if (sync && cpu_rq(cpu)->nr_running == 1 &&
+ cpumask_test_cpu(cpu, p->cpus_ptr) &&
+ task_fits_capacity(p, capacity_of(cpu))) {
+ rcu_read_unlock();
+ return cpu;
+ }
+
/*
* Energy-aware wake-up happens on the lowest sched_domain starting
* from sd_asym_cpucapacity spanning over this_cpu and prev_cpu.
@@ -6638,10 +6704,13 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu)
if (!sd)
goto fail;
- sync_entity_load_avg(&p->se);
if (!task_util_est(p))
goto unlock;
+ latency_sensitive = uclamp_latency_sensitive(p);
+ boosted = uclamp_boosted(p);
+ target_cap = boosted ? 0 : ULONG_MAX;
+
for (; pd; pd = pd->next) {
unsigned long cur_delta, spare_cap, max_spare_cap = 0;
unsigned long base_energy_pd;
@@ -6672,7 +6741,7 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu)
continue;
/* Always use prev_cpu as a candidate. */
- if (cpu == prev_cpu) {
+ if (!latency_sensitive && cpu == prev_cpu) {
prev_delta = compute_energy(p, prev_cpu, pd);
prev_delta -= base_energy_pd;
best_delta = min(best_delta, prev_delta);
@@ -6686,10 +6755,34 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu)
max_spare_cap = spare_cap;
max_spare_cap_cpu = cpu;
}
+
+ if (!latency_sensitive)
+ continue;
+
+ if (idle_cpu(cpu)) {
+ cpu_cap = capacity_orig_of(cpu);
+ if (boosted && cpu_cap < target_cap)
+ continue;
+ if (!boosted && cpu_cap > target_cap)
+ continue;
+ idle = idle_get_state(cpu_rq(cpu));
+ if (idle && idle->exit_latency > min_exit_lat &&
+ cpu_cap == target_cap)
+ continue;
+
+ if (idle)
+ min_exit_lat = idle->exit_latency;
+ target_cap = cpu_cap;
+ best_idle_cpu = cpu;
+ } else if (spare_cap > max_spare_cap_ls) {
+ max_spare_cap_ls = spare_cap;
+ max_spare_cap_cpu_ls = cpu;
+ }
}
/* Evaluate the energy impact of using this CPU. */
- if (max_spare_cap_cpu >= 0 && max_spare_cap_cpu != prev_cpu) {
+ if (!latency_sensitive && max_spare_cap_cpu >= 0 &&
+ max_spare_cap_cpu != prev_cpu) {
cur_delta = compute_energy(p, max_spare_cap_cpu, pd);
cur_delta -= base_energy_pd;
if (cur_delta < best_delta) {
@@ -6701,6 +6794,9 @@ static int find_energy_efficient_cpu(struct task_struct *p, int prev_cpu)
unlock:
rcu_read_unlock();
+ if (latency_sensitive)
+ return best_idle_cpu >= 0 ? best_idle_cpu : max_spare_cap_cpu_ls;
+
/*
* Pick the best CPU if prev_cpu cannot be used, or if it saves at
* least 6% of the energy used by prev_cpu.
@@ -6739,12 +6835,21 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f
int new_cpu = prev_cpu;
int want_affine = 0;
int sync = (wake_flags & WF_SYNC) && !(current->flags & PF_EXITING);
+ int target_cpu = -1;
+
+ if (trace_android_rvh_select_task_rq_fair_enabled() &&
+ !(sd_flag & SD_BALANCE_FORK))
+ sync_entity_load_avg(&p->se);
+ trace_android_rvh_select_task_rq_fair(p, prev_cpu, sd_flag,
+ wake_flags, &target_cpu);
+ if (target_cpu >= 0)
+ return target_cpu;
if (sd_flag & SD_BALANCE_WAKE) {
record_wakee(p);
if (sched_energy_enabled()) {
- new_cpu = find_energy_efficient_cpu(p, prev_cpu);
+ new_cpu = find_energy_efficient_cpu(p, prev_cpu, sync);
if (new_cpu >= 0)
return new_cpu;
new_cpu = prev_cpu;
@@ -6958,9 +7063,14 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_
struct cfs_rq *cfs_rq = task_cfs_rq(curr);
int scale = cfs_rq->nr_running >= sched_nr_latency;
int next_buddy_marked = 0;
+ bool preempt = false, nopreempt = false;
+ bool ignore = false;
if (unlikely(se == pse))
return;
+ trace_android_rvh_check_preempt_wakeup_ignore(curr, &ignore);
+ if (ignore)
+ return;
/*
* This is possible from callers such as attach_tasks(), in which we
@@ -7003,6 +7113,12 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_
find_matching_se(&se, &pse);
update_curr(cfs_rq_of(se));
+ trace_android_rvh_check_preempt_wakeup(rq, p, &preempt, &nopreempt,
+ wake_flags, se, pse, next_buddy_marked, sysctl_sched_wakeup_granularity);
+ if (preempt)
+ goto preempt;
+ if (nopreempt)
+ return;
BUG_ON(!pse);
if (wakeup_preempt_entity(se, pse) == 1) {
/*
@@ -7038,9 +7154,10 @@ struct task_struct *
pick_next_task_fair(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
{
struct cfs_rq *cfs_rq = &rq->cfs;
- struct sched_entity *se;
- struct task_struct *p;
+ struct sched_entity *se = NULL;
+ struct task_struct *p = NULL;
int new_tasks;
+ bool repick = false;
again:
if (!sched_fair_runnable(rq))
@@ -7094,7 +7211,7 @@ pick_next_task_fair(struct rq *rq, struct task_struct *prev, struct rq_flags *rf
} while (cfs_rq);
p = task_of(se);
-
+ trace_android_rvh_replace_next_task_fair(rq, &p, &se, &repick, false, prev);
/*
* Since we haven't yet done put_prev_entity and if the selected task
* is a different task than we started out with, try and touch the
@@ -7127,6 +7244,13 @@ pick_next_task_fair(struct rq *rq, struct task_struct *prev, struct rq_flags *rf
if (prev)
put_prev_task(rq, prev);
+ trace_android_rvh_replace_next_task_fair(rq, &p, &se, &repick, true, prev);
+ if (repick) {
+ for_each_sched_entity(se)
+ set_next_entity(cfs_rq_of(se), se);
+ goto done;
+ }
+
do {
se = pick_next_entity(cfs_rq, NULL);
set_next_entity(cfs_rq, se);
@@ -7368,7 +7492,8 @@ static bool yield_to_task_fair(struct rq *rq, struct task_struct *p)
* rewrite all of this once again.]
*/
-static unsigned long __read_mostly max_load_balance_interval = HZ/10;
+unsigned long __read_mostly max_load_balance_interval = HZ/10;
+EXPORT_SYMBOL_GPL(max_load_balance_interval);
enum fbq_type { regular, remote, all };
@@ -7449,6 +7574,7 @@ struct lb_env {
enum fbq_type fbq_type;
enum migration_type migration_type;
struct list_head tasks;
+ struct rq_flags *src_rq_rf;
};
/*
@@ -7555,9 +7681,14 @@ static
int can_migrate_task(struct task_struct *p, struct lb_env *env)
{
int tsk_cache_hot;
+ int can_migrate = 1;
lockdep_assert_held(&env->src_rq->lock);
+ trace_android_rvh_can_migrate_task(p, env->dst_cpu, &can_migrate);
+ if (!can_migrate)
+ return 0;
+
/*
* We do not migrate tasks that are:
* 1) throttled_lb_pair, or
@@ -7638,8 +7769,20 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
*/
static void detach_task(struct task_struct *p, struct lb_env *env)
{
+ int detached = 0;
+
lockdep_assert_held(&env->src_rq->lock);
+ /*
+ * The vendor hook may drop the lock temporarily, so
+ * pass the rq flags to unpin lock. We expect the
+ * rq lock to be held after return.
+ */
+ trace_android_rvh_migrate_queued_task(env->src_rq, env->src_rq_rf, p,
+ env->dst_cpu, &detached);
+ if (detached)
+ return;
+
deactivate_task(env->src_rq, p, DEQUEUE_NOCLOCK);
set_task_cpu(p, env->dst_cpu);
}
@@ -8168,6 +8311,7 @@ static void update_cpu_capacity(struct sched_domain *sd, int cpu)
if (!capacity)
capacity = 1;
+ trace_android_rvh_update_cpu_capacity(cpu, &capacity);
cpu_rq(cpu)->cpu_capacity = capacity;
trace_sched_cpu_capacity_tp(cpu_rq(cpu));
@@ -9237,8 +9381,12 @@ static struct sched_group *find_busiest_group(struct lb_env *env)
if (sched_energy_enabled()) {
struct root_domain *rd = env->dst_rq->rd;
+ int out_balance = 1;
- if (rcu_dereference(rd->pd) && !READ_ONCE(rd->overutilized))
+ trace_android_rvh_find_busiest_group(sds.busiest, env->dst_rq,
+ &out_balance);
+ if (rcu_dereference(rd->pd) && !READ_ONCE(rd->overutilized)
+ && out_balance)
goto out_balanced;
}
@@ -9357,7 +9505,12 @@ static struct rq *find_busiest_queue(struct lb_env *env,
struct rq *busiest = NULL, *rq;
unsigned long busiest_util = 0, busiest_load = 0, busiest_capacity = 1;
unsigned int busiest_nr = 0;
- int i;
+ int i, done = 0;
+
+ trace_android_rvh_find_busiest_queue(env->dst_cpu, group, env->cpus,
+ &busiest, &done);
+ if (done)
+ return busiest;
for_each_cpu_and(i, sched_group_span(group), env->cpus) {
unsigned long capacity, load, util;
@@ -9635,6 +9788,7 @@ static int load_balance(int this_cpu, struct rq *this_rq,
more_balance:
rq_lock_irqsave(busiest, &rf);
+ env.src_rq_rf = &rf;
update_rq_clock(busiest);
/*
@@ -9944,6 +10098,7 @@ static int active_load_balance_cpu_stop(void *data)
* about DST_PINNED.
*/
.flags = LBF_DST_PINNED,
+ .src_rq_rf = &rf,
};
schedstat_inc(sd->alb_count);
@@ -9979,7 +10134,7 @@ static DEFINE_SPINLOCK(balancing);
*/
void update_max_interval(void)
{
- max_load_balance_interval = HZ*num_online_cpus()/10;
+ max_load_balance_interval = HZ*num_active_cpus()/10;
}
/*
@@ -10001,6 +10156,10 @@ static void rebalance_domains(struct rq *rq, enum cpu_idle_type idle)
int need_serialize, need_decay = 0;
u64 max_cost = 0;
+ trace_android_rvh_sched_rebalance_domains(rq, &continue_balancing);
+ if (!continue_balancing)
+ return;
+
rcu_read_lock();
for_each_domain(cpu, sd) {
/*
@@ -10105,7 +10264,11 @@ static inline int on_null_domain(struct rq *rq)
static inline int find_new_ilb(void)
{
- int ilb;
+ int ilb = -1;
+
+ trace_android_rvh_find_new_ilb(nohz.idle_cpus_mask, &ilb);
+ if (ilb >= 0)
+ return ilb;
for_each_cpu_and(ilb, nohz.idle_cpus_mask,
housekeeping_cpumask(HK_FLAG_MISC)) {
@@ -10163,6 +10326,7 @@ static void nohz_balancer_kick(struct rq *rq)
struct sched_domain *sd;
int nr_busy, i, cpu = rq->cpu;
unsigned int flags = 0;
+ int done = 0;
if (unlikely(rq->idle_balance))
return;
@@ -10187,6 +10351,10 @@ static void nohz_balancer_kick(struct rq *rq)
if (time_before(now, nohz.next_balance))
goto out;
+ trace_android_rvh_sched_nohz_balancer_kick(rq, &flags, &done);
+ if (done)
+ goto out;
+
if (rq->nr_running >= 2) {
flags = NOHZ_KICK_MASK;
goto out;
@@ -10323,9 +10491,20 @@ void nohz_balance_enter_idle(int cpu)
SCHED_WARN_ON(cpu != smp_processor_id());
- /* If this CPU is going down, then nothing needs to be done: */
- if (!cpu_active(cpu))
+ if (!cpu_active(cpu)) {
+ /*
+ * A CPU can be paused while it is idle with it's tick
+ * stopped. nohz_balance_exit_idle() should be called
+ * from the local CPU, so it can't be called during
+ * pause. This results in paused CPU participating in
+ * the nohz idle balance, which should be avoided.
+ *
+ * When the paused CPU exits idle and enters again,
+ * exempt the paused CPU from nohz_balance_exit_idle.
+ */
+ nohz_balance_exit_idle(rq);
return;
+ }
/* Spare idle load balancing on CPUs that don't want to be disturbed: */
if (!housekeeping_cpu(cpu, HK_FLAG_SCHED))
@@ -10561,6 +10740,11 @@ static int newidle_balance(struct rq *this_rq, struct rq_flags *rf)
struct sched_domain *sd;
int pulled_task = 0;
u64 curr_cost = 0;
+ int done = 0;
+
+ trace_android_rvh_sched_newidle_balance(this_rq, rf, &pulled_task, &done);
+ if (done)
+ return pulled_task;
update_misfit_status(NULL, this_rq);
/*
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index 2593a73..6dc7d9a 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -10,6 +10,8 @@
#include <trace/events/power.h>
+#include <trace/hooks/sched.h>
+
/* Linker adds these: start and end of __cpuidle functions */
extern char __cpuidle_text_start[], __cpuidle_text_end[];
@@ -450,6 +452,8 @@ dequeue_task_idle(struct rq *rq, struct task_struct *p, int flags)
{
raw_spin_unlock_irq(&rq->lock);
printk(KERN_ERR "bad: scheduling from the idle thread!\n");
+
+ trace_android_rvh_dequeue_task_idle(p);
dump_stack();
raw_spin_lock_irq(&rq->lock);
}
diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c
index d2a6556..b5837e2 100644
--- a/kernel/sched/loadavg.c
+++ b/kernel/sched/loadavg.c
@@ -75,6 +75,7 @@ void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
loads[1] = (avenrun[1] + offset) << shift;
loads[2] = (avenrun[2] + offset) << shift;
}
+EXPORT_SYMBOL_GPL(get_avenrun);
long calc_load_fold_active(struct rq *this_rq, long adjust)
{
diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index 2c613e1..bbb0de22 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -28,6 +28,65 @@
#include "sched.h"
#include "pelt.h"
+int pelt_load_avg_period = PELT32_LOAD_AVG_PERIOD;
+int pelt_load_avg_max = PELT32_LOAD_AVG_MAX;
+const u32 *pelt_runnable_avg_yN_inv = pelt32_runnable_avg_yN_inv;
+
+int get_pelt_halflife(void)
+{
+ return pelt_load_avg_period;
+}
+EXPORT_SYMBOL_GPL(get_pelt_halflife);
+
+static int __set_pelt_halflife(void *data)
+{
+ int rc = 0;
+ int num = *(int *)data;
+
+ switch (num) {
+ case PELT8_LOAD_AVG_PERIOD:
+ pelt_load_avg_period = PELT8_LOAD_AVG_PERIOD;
+ pelt_load_avg_max = PELT8_LOAD_AVG_MAX;
+ pelt_runnable_avg_yN_inv = pelt8_runnable_avg_yN_inv;
+ pr_info("PELT half life is set to %dms\n", num);
+ break;
+ case PELT32_LOAD_AVG_PERIOD:
+ pelt_load_avg_period = PELT32_LOAD_AVG_PERIOD;
+ pelt_load_avg_max = PELT32_LOAD_AVG_MAX;
+ pelt_runnable_avg_yN_inv = pelt32_runnable_avg_yN_inv;
+ pr_info("PELT half life is set to %dms\n", num);
+ break;
+ default:
+ rc = -EINVAL;
+ pr_err("Failed to set PELT half life to %dms, the current value is %dms\n",
+ num, pelt_load_avg_period);
+ }
+
+ return rc;
+}
+
+int set_pelt_halflife(int num)
+{
+ return stop_machine(__set_pelt_halflife, &num, NULL);
+}
+EXPORT_SYMBOL_GPL(set_pelt_halflife);
+
+static int __init set_pelt(char *str)
+{
+ int rc, num;
+
+ rc = kstrtoint(str, 0, &num);
+ if (rc) {
+ pr_err("%s: kstrtoint failed. rc=%d\n", __func__, rc);
+ return 0;
+ }
+
+ __set_pelt_halflife(&num);
+ return rc;
+}
+
+early_param("pelt", set_pelt);
+
/*
* Approximate:
* val * y^n, where y^32 ~= 0.5 (~1 scheduling period)
@@ -54,7 +113,7 @@ static u64 decay_load(u64 val, u64 n)
local_n %= LOAD_AVG_PERIOD;
}
- val = mul_u64_u32_shr(val, runnable_avg_yN_inv[local_n], 32);
+ val = mul_u64_u32_shr(val, pelt_runnable_avg_yN_inv[local_n], 32);
return val;
}
@@ -306,6 +365,7 @@ int __update_load_avg_blocked_se(u64 now, struct sched_entity *se)
return 0;
}
+EXPORT_SYMBOL_GPL(__update_load_avg_blocked_se);
int __update_load_avg_se(u64 now, struct cfs_rq *cfs_rq, struct sched_entity *se)
{
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index d50a31e..5518c07 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -142,9 +142,12 @@
#include <linux/psi.h>
#include "sched.h"
+#include <trace/hooks/psi.h>
+
static int psi_bug __read_mostly;
DEFINE_STATIC_KEY_FALSE(psi_disabled);
+DEFINE_STATIC_KEY_TRUE(psi_cgroups_enabled);
#ifdef CONFIG_PSI_DEFAULT_DISABLED
static bool psi_enable;
@@ -192,6 +195,7 @@ static void group_init(struct psi_group *group)
INIT_DELAYED_WORK(&group->avgs_work, psi_avgs_work);
mutex_init(&group->avgs_lock);
/* Init trigger-related members */
+ atomic_set(&group->poll_scheduled, 0);
mutex_init(&group->trigger_lock);
INIT_LIST_HEAD(&group->triggers);
memset(group->nr_triggers, 0, sizeof(group->nr_triggers));
@@ -212,6 +216,9 @@ void __init psi_init(void)
return;
}
+ if (!cgroup_psi_enabled())
+ static_branch_disable(&psi_cgroups_enabled);
+
psi_period = jiffies_to_nsecs(PSI_FREQ);
group_init(&psi_system);
}
@@ -537,12 +544,16 @@ static u64 update_triggers(struct psi_group *group, u64 now)
if (now < t->last_event_time + t->win.size)
continue;
+ trace_android_vh_psi_event(t);
+
/* Generate an event */
if (cmpxchg(&t->event, 0, 1) == 0)
wake_up_interruptible(&t->event_wait);
t->last_event_time = now;
}
+ trace_android_vh_psi_group(group);
+
if (new_stall)
memcpy(group->polling_total, total,
sizeof(group->polling_total));
@@ -550,18 +561,17 @@ static u64 update_triggers(struct psi_group *group, u64 now)
return now + group->poll_min_period;
}
-/* Schedule polling if it's not already scheduled. */
-static void psi_schedule_poll_work(struct psi_group *group, unsigned long delay)
+/* Schedule polling if it's not already scheduled or forced. */
+static void psi_schedule_poll_work(struct psi_group *group, unsigned long delay,
+ bool force)
{
struct task_struct *task;
/*
- * Do not reschedule if already scheduled.
- * Possible race with a timer scheduled after this check but before
- * mod_timer below can be tolerated because group->polling_next_update
- * will keep updates on schedule.
+ * atomic_xchg should be called even when !force to provide a
+ * full memory barrier (see the comment inside psi_poll_work).
*/
- if (timer_pending(&group->poll_timer))
+ if (atomic_xchg(&group->poll_scheduled, 1) && !force)
return;
rcu_read_lock();
@@ -573,12 +583,15 @@ static void psi_schedule_poll_work(struct psi_group *group, unsigned long delay)
*/
if (likely(task))
mod_timer(&group->poll_timer, jiffies + delay);
+ else
+ atomic_set(&group->poll_scheduled, 0);
rcu_read_unlock();
}
static void psi_poll_work(struct psi_group *group)
{
+ bool force_reschedule = false;
u32 changed_states;
u64 now;
@@ -586,6 +599,43 @@ static void psi_poll_work(struct psi_group *group)
now = sched_clock();
+ if (now > group->polling_until) {
+ /*
+ * We are either about to start or might stop polling if no
+ * state change was recorded. Resetting poll_scheduled leaves
+ * a small window for psi_group_change to sneak in and schedule
+ * an immegiate poll_work before we get to rescheduling. One
+ * potential extra wakeup at the end of the polling window
+ * should be negligible and polling_next_update still keeps
+ * updates correctly on schedule.
+ */
+ atomic_set(&group->poll_scheduled, 0);
+ /*
+ * A task change can race with the poll worker that is supposed to
+ * report on it. To avoid missing events, ensure ordering between
+ * poll_scheduled and the task state accesses, such that if the poll
+ * worker misses the state update, the task change is guaranteed to
+ * reschedule the poll worker:
+ *
+ * poll worker:
+ * atomic_set(poll_scheduled, 0)
+ * smp_mb()
+ * LOAD states
+ *
+ * task change:
+ * STORE states
+ * if atomic_xchg(poll_scheduled, 1) == 0:
+ * schedule poll worker
+ *
+ * The atomic_xchg() implies a full barrier.
+ */
+ smp_mb();
+ } else {
+ /* Polling window is not over, keep rescheduling */
+ force_reschedule = true;
+ }
+
+
collect_percpu_times(group, PSI_POLL, &changed_states);
if (changed_states & group->poll_states) {
@@ -611,7 +661,8 @@ static void psi_poll_work(struct psi_group *group)
group->polling_next_update = update_triggers(group, now);
psi_schedule_poll_work(group,
- nsecs_to_jiffies(group->polling_next_update - now) + 1);
+ nsecs_to_jiffies(group->polling_next_update - now) + 1,
+ force_reschedule);
out:
mutex_unlock(&group->trigger_lock);
@@ -740,7 +791,7 @@ static void psi_group_change(struct psi_group *group, int cpu,
write_seqcount_end(&groupc->seq);
if (state_mask & group->poll_states)
- psi_schedule_poll_work(group, 1);
+ psi_schedule_poll_work(group, 1, false);
if (wake_clock && !delayed_work_pending(&group->avgs_work))
schedule_delayed_work(&group->avgs_work, PSI_FREQ);
@@ -748,23 +799,23 @@ static void psi_group_change(struct psi_group *group, int cpu,
static struct psi_group *iterate_groups(struct task_struct *task, void **iter)
{
+ if (*iter == &psi_system)
+ return NULL;
+
#ifdef CONFIG_CGROUPS
- struct cgroup *cgroup = NULL;
+ if (static_branch_likely(&psi_cgroups_enabled)) {
+ struct cgroup *cgroup = NULL;
- if (!*iter)
- cgroup = task->cgroups->dfl_cgrp;
- else if (*iter == &psi_system)
- return NULL;
- else
- cgroup = cgroup_parent(*iter);
+ if (!*iter)
+ cgroup = task->cgroups->dfl_cgrp;
+ else
+ cgroup = cgroup_parent(*iter);
- if (cgroup && cgroup_parent(cgroup)) {
- *iter = cgroup;
- return cgroup_psi(cgroup);
+ if (cgroup && cgroup_parent(cgroup)) {
+ *iter = cgroup;
+ return cgroup_psi(cgroup);
+ }
}
-#else
- if (*iter)
- return NULL;
#endif
*iter = &psi_system;
return &psi_system;
@@ -1204,6 +1255,7 @@ static void psi_trigger_destroy(struct kref *ref)
* can no longer be found through group->poll_task.
*/
kthread_stop(task_to_destroy);
+ atomic_set(&group->poll_scheduled, 0);
}
kfree(t);
}
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index b5cf418..1c4b0b1 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -7,6 +7,8 @@
#include "pelt.h"
+#include <trace/hooks/sched.h>
+
int sched_rr_timeslice = RR_TIMESLICE;
int sysctl_sched_rr_timeslice = (MSEC_PER_SEC / HZ) * RR_TIMESLICE;
/* More than 4 hours if BW_SHIFT equals 20. */
@@ -971,6 +973,13 @@ static int sched_rt_runtime_exceeded(struct rt_rq *rt_rq)
if (likely(rt_b->rt_runtime)) {
rt_rq->rt_throttled = 1;
printk_deferred_once("sched: RT throttling activated\n");
+
+ trace_android_vh_dump_throttled_rt_tasks(
+ raw_smp_processor_id(),
+ rq_clock(rq_of_rt_rq(rt_rq)),
+ sched_rt_period(rt_rq),
+ runtime,
+ hrtimer_get_expires_ns(&rt_b->rt_period_timer));
} else {
/*
* In case we did anyway, make it go away,
@@ -1017,6 +1026,8 @@ static void update_curr_rt(struct rq *rq)
curr->se.exec_start = now;
cgroup_account_cputime(curr, delta_exec);
+ trace_android_vh_sched_stat_runtime_rt(curr, delta_exec);
+
if (!rt_bandwidth_enabled())
return;
@@ -1363,6 +1374,27 @@ static void dequeue_rt_entity(struct sched_rt_entity *rt_se, unsigned int flags)
enqueue_top_rt_rq(&rq->rt);
}
+#ifdef CONFIG_SMP
+static inline bool should_honor_rt_sync(struct rq *rq, struct task_struct *p,
+ bool sync)
+{
+ /*
+ * If the waker is CFS, then an RT sync wakeup would preempt the waker
+ * and force it to run for a likely small time after the RT wakee is
+ * done. So, only honor RT sync wakeups from RT wakers.
+ */
+ return sync && task_has_rt_policy(rq->curr) &&
+ p->prio <= rq->rt.highest_prio.next &&
+ rq->rt.rt_nr_running <= 2;
+}
+#else
+static inline bool should_honor_rt_sync(struct rq *rq, struct task_struct *p,
+ bool sync)
+{
+ return 0;
+}
+#endif
+
/*
* Adding/removing a task to/from a priority array:
*/
@@ -1370,13 +1402,15 @@ static void
enqueue_task_rt(struct rq *rq, struct task_struct *p, int flags)
{
struct sched_rt_entity *rt_se = &p->rt;
+ bool sync = !!(flags & ENQUEUE_WAKEUP_SYNC);
if (flags & ENQUEUE_WAKEUP)
rt_se->timeout = 0;
enqueue_rt_entity(rt_se, flags);
- if (!task_current(rq, p) && p->nr_cpus_allowed > 1)
+ if (!task_current(rq, p) && p->nr_cpus_allowed > 1 &&
+ !should_honor_rt_sync(rq, p, sync))
enqueue_pushable_task(rq, p);
}
@@ -1427,12 +1461,43 @@ static void yield_task_rt(struct rq *rq)
#ifdef CONFIG_SMP
static int find_lowest_rq(struct task_struct *task);
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+/*
+ * Return whether the task on the given cpu is currently non-preemptible
+ * while handling a potentially long softint, or if the task is likely
+ * to block preemptions soon because it is a ksoftirq thread that is
+ * handling slow softints.
+ */
+bool
+task_may_not_preempt(struct task_struct *task, int cpu)
+{
+ __u32 softirqs = per_cpu(active_softirqs, cpu) |
+ __IRQ_STAT(cpu, __softirq_pending);
+
+ struct task_struct *cpu_ksoftirqd = per_cpu(ksoftirqd, cpu);
+ return ((softirqs & LONG_SOFTIRQ_MASK) &&
+ (task == cpu_ksoftirqd ||
+ task_thread_info(task)->preempt_count & SOFTIRQ_MASK));
+}
+EXPORT_SYMBOL_GPL(task_may_not_preempt);
+#endif /* CONFIG_RT_SOFTINT_OPTIMIZATION */
+
static int
select_task_rq_rt(struct task_struct *p, int cpu, int sd_flag, int flags)
{
struct task_struct *curr;
struct rq *rq;
+ struct rq *this_cpu_rq;
bool test;
+ int target_cpu = -1;
+ bool may_not_preempt;
+ bool sync = !!(flags & WF_SYNC);
+ int this_cpu;
+
+ trace_android_rvh_select_task_rq_rt(p, cpu, sd_flag,
+ flags, &target_cpu);
+ if (target_cpu >= 0)
+ return target_cpu;
/* For anything but wake ups, just return the task_cpu */
if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK)
@@ -1442,9 +1507,16 @@ select_task_rq_rt(struct task_struct *p, int cpu, int sd_flag, int flags)
rcu_read_lock();
curr = READ_ONCE(rq->curr); /* unlocked access */
+ this_cpu = smp_processor_id();
+ this_cpu_rq = cpu_rq(this_cpu);
/*
- * If the current task on @p's runqueue is an RT task, then
+ * If the current task on @p's runqueue is a softirq task,
+ * it may run without preemption for a time that is
+ * ill-suited for a waiting RT task. Therefore, try to
+ * wake this RT task on another runqueue.
+ *
+ * Also, if the current task on @p's runqueue is an RT task, then
* try to see if we can wake this RT task up on another
* runqueue. Otherwise simply start this RT task
* on its current runqueue.
@@ -1469,9 +1541,19 @@ select_task_rq_rt(struct task_struct *p, int cpu, int sd_flag, int flags)
* requirement of the task - which is only important on heterogeneous
* systems like big.LITTLE.
*/
- test = curr &&
- unlikely(rt_task(curr)) &&
- (curr->nr_cpus_allowed < 2 || curr->prio <= p->prio);
+ may_not_preempt = task_may_not_preempt(curr, cpu);
+ test = (curr && (may_not_preempt ||
+ (unlikely(rt_task(curr)) &&
+ (curr->nr_cpus_allowed < 2 || curr->prio <= p->prio))));
+
+ /*
+ * Respect the sync flag as long as the task can run on this CPU.
+ */
+ if (should_honor_rt_sync(this_cpu_rq, p, sync) &&
+ cpumask_test_cpu(this_cpu, p->cpus_ptr)) {
+ cpu = this_cpu;
+ goto out_unlock;
+ }
if (test || !rt_task_fits_capacity(p, cpu)) {
int target = find_lowest_rq(p);
@@ -1484,11 +1566,14 @@ select_task_rq_rt(struct task_struct *p, int cpu, int sd_flag, int flags)
goto out_unlock;
/*
- * Don't bother moving it if the destination CPU is
+ * If cpu is non-preemptible, prefer remote cpu
+ * even if it's running a higher-prio task.
+ * Otherwise: Don't bother moving it if the destination CPU is
* not running a lower priority task.
*/
if (target != -1 &&
- p->prio < cpu_rq(target)->rt.highest_prio.curr)
+ (may_not_preempt ||
+ p->prio < cpu_rq(target)->rt.highest_prio.curr))
cpu = target;
}
@@ -1529,6 +1614,8 @@ static void check_preempt_equal_prio(struct rq *rq, struct task_struct *p)
static int balance_rt(struct rq *rq, struct task_struct *p, struct rq_flags *rf)
{
if (!on_rt_rq(&p->rt) && need_pull_rt_task(rq, p)) {
+ int done = 0;
+
/*
* This is OK, because current is on_cpu, which avoids it being
* picked for load-balance and preemption/IRQs are still
@@ -1536,7 +1623,9 @@ static int balance_rt(struct rq *rq, struct task_struct *p, struct rq_flags *rf)
* not yet started the picking loop.
*/
rq_unpin_lock(rq, rf);
- pull_rt_task(rq);
+ trace_android_rvh_sched_balance_rt(rq, p, &done);
+ if (!done)
+ pull_rt_task(rq);
rq_repin_lock(rq, rf);
}
@@ -1668,7 +1757,7 @@ static int pick_rt_task(struct rq *rq, struct task_struct *p, int cpu)
* Return the highest pushable rq's task, which is suitable to be executed
* on the CPU, NULL otherwise
*/
-static struct task_struct *pick_highest_pushable_task(struct rq *rq, int cpu)
+struct task_struct *pick_highest_pushable_task(struct rq *rq, int cpu)
{
struct plist_head *head = &rq->rt.pushable_tasks;
struct task_struct *p;
@@ -1683,6 +1772,7 @@ static struct task_struct *pick_highest_pushable_task(struct rq *rq, int cpu)
return NULL;
}
+EXPORT_SYMBOL_GPL(pick_highest_pushable_task);
static DEFINE_PER_CPU(cpumask_var_t, local_cpu_mask);
@@ -1691,7 +1781,7 @@ static int find_lowest_rq(struct task_struct *task)
struct sched_domain *sd;
struct cpumask *lowest_mask = this_cpu_cpumask_var_ptr(local_cpu_mask);
int this_cpu = smp_processor_id();
- int cpu = task_cpu(task);
+ int cpu = -1;
int ret;
/* Make sure the mask is initialized first */
@@ -1716,9 +1806,15 @@ static int find_lowest_rq(struct task_struct *task)
task, lowest_mask);
}
+ trace_android_rvh_find_lowest_rq(task, lowest_mask, ret, &cpu);
+ if (cpu >= 0)
+ return cpu;
+
if (!ret)
return -1; /* No targets found */
+ cpu = task_cpu(task);
+
/*
* At this point we have built a mask of CPUs representing the
* lowest priority tasks in the system. Now we want to elect
diff --git a/kernel/sched/sched-pelt.h b/kernel/sched/sched-pelt.h
index c529706..92a6875 100644
--- a/kernel/sched/sched-pelt.h
+++ b/kernel/sched/sched-pelt.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Generated by Documentation/scheduler/sched-pelt; do not modify. */
-static const u32 runnable_avg_yN_inv[] __maybe_unused = {
+static const u32 pelt32_runnable_avg_yN_inv[] __maybe_unused = {
0xffffffff, 0xfa83b2da, 0xf5257d14, 0xefe4b99a, 0xeac0c6e6, 0xe5b906e6,
0xe0ccdeeb, 0xdbfbb796, 0xd744fcc9, 0xd2a81d91, 0xce248c14, 0xc9b9bd85,
0xc5672a10, 0xc12c4cc9, 0xbd08a39e, 0xb8fbaf46, 0xb504f333, 0xb123f581,
@@ -10,5 +10,20 @@ static const u32 runnable_avg_yN_inv[] __maybe_unused = {
0x85aac367, 0x82cd8698,
};
-#define LOAD_AVG_PERIOD 32
-#define LOAD_AVG_MAX 47742
+#define PELT32_LOAD_AVG_PERIOD 32
+#define PELT32_LOAD_AVG_MAX 47742
+
+static const u32 pelt8_runnable_avg_yN_inv[] __maybe_unused = {
+ 0xffffffff, 0xeac0c6e6, 0xd744fcc9, 0xc5672a10,
+ 0xb504f333, 0xa5fed6a9, 0x9837f050, 0x8b95c1e3,
+};
+
+#define PELT8_LOAD_AVG_PERIOD 8
+#define PELT8_LOAD_AVG_MAX 12336
+
+extern const u32 *pelt_runnable_avg_yN_inv;
+extern int pelt_load_avg_period;
+extern int pelt_load_avg_max;
+
+#define LOAD_AVG_PERIOD pelt_load_avg_period
+#define LOAD_AVG_MAX pelt_load_avg_max
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 08db8e0..518da84 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -65,6 +65,8 @@
#include <linux/syscalls.h>
#include <linux/task_work.h>
#include <linux/tsacct_kern.h>
+#include <linux/android_vendor.h>
+#include <linux/android_kabi.h>
#include <asm/tlb.h>
#include <asm-generic/vmlinux.lds.h>
@@ -431,8 +433,16 @@ struct task_group {
struct uclamp_se uclamp_req[UCLAMP_CNT];
/* Effective clamp values used for a task group */
struct uclamp_se uclamp[UCLAMP_CNT];
+ /* Latency-sensitive flag used for a task group */
+ unsigned int latency_sensitive;
+
+ ANDROID_VENDOR_DATA_ARRAY(1, 4);
#endif
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#ifdef CONFIG_FAIR_GROUP_SCHED
@@ -605,6 +615,8 @@ struct cfs_rq {
int throttle_count;
struct list_head throttled_list;
#endif /* CONFIG_CFS_BANDWIDTH */
+
+ ANDROID_VENDOR_DATA_ARRAY(1, 16);
#endif /* CONFIG_FAIR_GROUP_SCHED */
};
@@ -831,6 +843,13 @@ struct root_domain {
* CPUs of the rd. Protected by RCU.
*/
struct perf_domain __rcu *pd;
+
+ ANDROID_VENDOR_DATA_ARRAY(1, 4);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
extern void init_defrootdomain(void);
@@ -842,6 +861,7 @@ extern void sched_put_rd(struct root_domain *rd);
#ifdef HAVE_RT_PUSH_IPI
extern void rto_push_irq_work_func(struct irq_work *work);
#endif
+extern struct task_struct *pick_highest_pushable_task(struct rq *rq, int cpu);
#endif /* CONFIG_SMP */
#ifdef CONFIG_UCLAMP_TASK
@@ -1048,10 +1068,23 @@ struct rq {
unsigned int ttwu_local;
#endif
+#ifdef CONFIG_HOTPLUG_CPU
+ struct cpu_stop_work drain;
+ struct cpu_stop_done drain_done;
+#endif
+
#ifdef CONFIG_CPU_IDLE
/* Must be inspected within a rcu lock section */
struct cpuidle_state *idle_state;
#endif
+
+ ANDROID_VENDOR_DATA_ARRAY(1, 96);
+ ANDROID_OEM_DATA_ARRAY(1, 16);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#ifdef CONFIG_FAIR_GROUP_SCHED
@@ -1374,8 +1407,6 @@ enum numa_faults_stats {
};
extern void sched_setnuma(struct task_struct *p, int node);
extern int migrate_task_to(struct task_struct *p, int cpu);
-extern int migrate_swap(struct task_struct *p, struct task_struct *t,
- int cpu, int scpu);
extern void init_numa_balancing(unsigned long clone_flags, struct task_struct *p);
#else
static inline void
@@ -1386,6 +1417,8 @@ init_numa_balancing(unsigned long clone_flags, struct task_struct *p)
#ifdef CONFIG_SMP
+extern int migrate_swap(struct task_struct *p, struct task_struct *t,
+ int cpu, int scpu);
static inline void
queue_balance_callback(struct rq *rq,
struct callback_head *head,
@@ -1652,6 +1685,8 @@ static __always_inline bool static_branch_##name(struct static_key *key) \
#undef SCHED_FEAT
extern struct static_key sched_feat_keys[__SCHED_FEAT_NR];
+extern const char * const sched_feat_names[__SCHED_FEAT_NR];
+
#define sched_feat(x) (static_branch_##x(&sched_feat_keys[__SCHED_FEAT_##x]))
#else /* !CONFIG_JUMP_LABEL */
@@ -1725,6 +1760,7 @@ static inline int task_on_rq_migrating(struct task_struct *p)
#define WF_FORK 0x02 /* Child wakeup after fork */
#define WF_MIGRATED 0x04 /* Internal use, task got migrated */
#define WF_ON_CPU 0x08 /* Wakee is on_cpu */
+#define WF_ANDROID_VENDOR 0x1000 /* Vendor specific for Android */
/*
* To aid in avoiding the subversion of "niceness" due to uneven distribution
@@ -1778,6 +1814,8 @@ extern const u32 sched_prio_to_wmult[40];
#define ENQUEUE_MIGRATED 0x00
#endif
+#define ENQUEUE_WAKEUP_SYNC 0x80
+
#define RETRY_TASK ((void *)-1UL)
struct sched_class {
@@ -1901,6 +1939,7 @@ extern void trigger_load_balance(struct rq *rq);
extern void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_mask);
+extern unsigned long __read_mostly max_load_balance_interval;
#endif
#ifdef CONFIG_CPU_IDLE
@@ -2456,6 +2495,11 @@ unsigned long uclamp_rq_util_with(struct rq *rq, unsigned long util,
return clamp(util, min_util, max_util);
}
+static inline bool uclamp_boosted(struct task_struct *p)
+{
+ return uclamp_eff_value(p, UCLAMP_MIN) > 0;
+}
+
/*
* When uclamp is compiled in, the aggregation at rq level is 'turned off'
* by default in the fast path and only gets turned on once userspace performs
@@ -2476,12 +2520,36 @@ unsigned long uclamp_rq_util_with(struct rq *rq, unsigned long util,
return util;
}
+static inline bool uclamp_boosted(struct task_struct *p)
+{
+ return false;
+}
+
static inline bool uclamp_is_used(void)
{
return false;
}
#endif /* CONFIG_UCLAMP_TASK */
+#ifdef CONFIG_UCLAMP_TASK_GROUP
+static inline bool uclamp_latency_sensitive(struct task_struct *p)
+{
+ struct cgroup_subsys_state *css = task_css(p, cpu_cgrp_id);
+ struct task_group *tg;
+
+ if (!css)
+ return false;
+ tg = container_of(css, struct task_group, css);
+
+ return tg->latency_sensitive;
+}
+#else
+static inline bool uclamp_latency_sensitive(struct task_struct *p)
+{
+ return false;
+}
+#endif /* CONFIG_UCLAMP_TASK_GROUP */
+
#ifdef arch_scale_freq_capacity
# ifndef arch_scale_freq_invariant
# define arch_scale_freq_invariant() true
@@ -2644,3 +2712,15 @@ static inline bool is_per_cpu_kthread(struct task_struct *p)
void swake_up_all_locked(struct swait_queue_head *q);
void __prepare_to_swait(struct swait_queue_head *q, struct swait_queue *wait);
+
+/*
+ * task_may_not_preempt - check whether a task may not be preemptible soon
+ */
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+extern bool task_may_not_preempt(struct task_struct *task, int cpu);
+#else
+static inline bool task_may_not_preempt(struct task_struct *task, int cpu)
+{
+ return false;
+}
+#endif /* CONFIG_RT_SOFTINT_OPTIMIZATION */
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index dd77702..b9a654b 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -4,7 +4,12 @@
*/
#include "sched.h"
+#include <trace/hooks/sched.h>
+
DEFINE_MUTEX(sched_domains_mutex);
+#ifdef CONFIG_LOCKDEP
+EXPORT_SYMBOL_GPL(sched_domains_mutex);
+#endif
/* Protected by sched_domains_mutex: */
static cpumask_var_t sched_domains_tmpmask;
@@ -323,7 +328,6 @@ static void sched_energy_set(bool has_eas)
* 2. the SD_ASYM_CPUCAPACITY flag is set in the sched_domain hierarchy.
* 3. no SMT is detected.
* 4. the EM complexity is low enough to keep scheduling overheads low;
- * 5. schedutil is driving the frequency of all CPUs of the rd;
*
* The complexity of the Energy Model is defined as:
*
@@ -343,21 +347,23 @@ static void sched_energy_set(bool has_eas)
*/
#define EM_MAX_COMPLEXITY 2048
-extern struct cpufreq_governor schedutil_gov;
static bool build_perf_domains(const struct cpumask *cpu_map)
{
int i, nr_pd = 0, nr_ps = 0, nr_cpus = cpumask_weight(cpu_map);
struct perf_domain *pd = NULL, *tmp;
int cpu = cpumask_first(cpu_map);
struct root_domain *rd = cpu_rq(cpu)->rd;
- struct cpufreq_policy *policy;
- struct cpufreq_governor *gov;
+ bool eas_check = false;
if (!sysctl_sched_energy_aware)
goto free;
- /* EAS is enabled for asymmetric CPU capacity topologies. */
- if (!per_cpu(sd_asym_cpucapacity, cpu)) {
+ /*
+ * EAS is enabled for asymmetric CPU capacity topologies.
+ * Allow vendor to override if desired.
+ */
+ trace_android_rvh_build_perf_domains(&eas_check);
+ if (!per_cpu(sd_asym_cpucapacity, cpu) && !eas_check) {
if (sched_debug()) {
pr_info("rd %*pbl: CPUs do not have asymmetric capacities\n",
cpumask_pr_args(cpu_map));
@@ -377,19 +383,6 @@ static bool build_perf_domains(const struct cpumask *cpu_map)
if (find_pd(pd, i))
continue;
- /* Do not attempt EAS if schedutil is not being used. */
- policy = cpufreq_cpu_get(i);
- if (!policy)
- goto free;
- gov = policy->governor;
- cpufreq_cpu_put(policy);
- if (gov != &schedutil_gov) {
- if (rd->pd)
- pr_warn("rd %*pbl: Disabling EAS, schedutil is mandatory\n",
- cpumask_pr_args(cpu_map));
- goto free;
- }
-
/* Create the new pd and add it to the local list. */
tmp = pd_init(i);
if (!tmp)
@@ -2070,6 +2063,7 @@ build_sched_domains(const struct cpumask *cpu_map, struct sched_domain_attr *att
pr_info("root domain span: %*pbl (max cpu_capacity = %lu)\n",
cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity);
}
+ trace_android_vh_build_sched_domains(has_asym);
ret = 0;
error:
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c
index 21005b9..bc69478 100644
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -5,6 +5,7 @@
* (C) 2004 Nadia Yvette Chambers, Oracle
*/
#include "sched.h"
+#include <trace/hooks/sched.h>
void __init_waitqueue_head(struct wait_queue_head *wq_head, const char *name, struct lock_class_key *key)
{
@@ -184,10 +185,13 @@ EXPORT_SYMBOL_GPL(__wake_up_locked_key_bookmark);
void __wake_up_sync_key(struct wait_queue_head *wq_head, unsigned int mode,
void *key)
{
+ int wake_flags = WF_SYNC;
+
if (unlikely(!wq_head))
return;
- __wake_up_common_lock(wq_head, mode, 1, WF_SYNC, key);
+ trace_android_vh_set_wake_flags(&wake_flags, &mode);
+ __wake_up_common_lock(wq_head, mode, 1, wake_flags, key);
}
EXPORT_SYMBOL_GPL(__wake_up_sync_key);
@@ -389,7 +393,8 @@ void finish_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_en
}
EXPORT_SYMBOL(finish_wait);
-int autoremove_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key)
+__sched int autoremove_wake_function(struct wait_queue_entry *wq_entry, unsigned int mode,
+ int sync, void *key)
{
int ret = default_wake_function(wq_entry, mode, sync, key);
@@ -425,7 +430,7 @@ static inline bool is_kthread_should_stop(void)
* } smp_mb(); // C
* remove_wait_queue(&wq_head, &wait); wq_entry->flags |= WQ_FLAG_WOKEN;
*/
-long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout)
+__sched long wait_woken(struct wait_queue_entry *wq_entry, unsigned int mode, long timeout)
{
/*
* The below executes an smp_mb(), which matches with the full barrier
@@ -450,7 +455,8 @@ long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout)
}
EXPORT_SYMBOL(wait_woken);
-int woken_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, int sync, void *key)
+__sched int woken_wake_function(struct wait_queue_entry *wq_entry, unsigned int mode,
+ int sync, void *key)
{
/* Pairs with the smp_store_mb() in wait_woken(). */
smp_mb(); /* C */
diff --git a/kernel/scs.c b/kernel/scs.c
index 4ff4a7b..579841b 100644
--- a/kernel/scs.c
+++ b/kernel/scs.c
@@ -5,26 +5,49 @@
* Copyright (C) 2019 Google LLC
*/
+#include <linux/cpuhotplug.h>
#include <linux/kasan.h>
#include <linux/mm.h>
#include <linux/scs.h>
-#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <linux/vmstat.h>
-static struct kmem_cache *scs_cache;
-
static void __scs_account(void *s, int account)
{
- struct page *scs_page = virt_to_page(s);
+ struct page *scs_page = vmalloc_to_page(s);
mod_node_page_state(page_pgdat(scs_page), NR_KERNEL_SCS_KB,
account * (SCS_SIZE / SZ_1K));
}
-static void *scs_alloc(int node)
-{
- void *s = kmem_cache_alloc_node(scs_cache, GFP_SCS, node);
+/* Matches NR_CACHED_STACKS for VMAP_STACK */
+#define NR_CACHED_SCS 2
+static DEFINE_PER_CPU(void *, scs_cache[NR_CACHED_SCS]);
+static void *__scs_alloc(int node)
+{
+ int i;
+ void *s;
+
+ for (i = 0; i < NR_CACHED_SCS; i++) {
+ s = this_cpu_xchg(scs_cache[i], NULL);
+ if (s) {
+ kasan_unpoison_vmalloc(s, SCS_SIZE);
+ memset(s, 0, SCS_SIZE);
+ return s;
+ }
+ }
+
+ return __vmalloc_node_range(SCS_SIZE, 1, VMALLOC_START, VMALLOC_END,
+ GFP_SCS, PAGE_KERNEL, 0, node,
+ __builtin_return_address(0));
+}
+
+void *scs_alloc(int node)
+{
+ void *s;
+
+ s = __scs_alloc(node);
if (!s)
return NULL;
@@ -34,21 +57,48 @@ static void *scs_alloc(int node)
* Poison the allocation to catch unintentional accesses to
* the shadow stack when KASAN is enabled.
*/
- kasan_poison_object_data(scs_cache, s);
+ kasan_poison_vmalloc(s, SCS_SIZE);
__scs_account(s, 1);
return s;
}
-static void scs_free(void *s)
+void scs_free(void *s)
{
+ int i;
+
__scs_account(s, -1);
- kasan_unpoison_object_data(scs_cache, s);
- kmem_cache_free(scs_cache, s);
+
+ /*
+ * We cannot sleep as this can be called in interrupt context,
+ * so use this_cpu_cmpxchg to update the cache, and vfree_atomic
+ * to free the stack.
+ */
+
+ for (i = 0; i < NR_CACHED_SCS; i++)
+ if (this_cpu_cmpxchg(scs_cache[i], 0, s) == NULL)
+ return;
+
+ kasan_unpoison_vmalloc(s, SCS_SIZE);
+ vfree_atomic(s);
+}
+
+static int scs_cleanup(unsigned int cpu)
+{
+ int i;
+ void **cache = per_cpu_ptr(scs_cache, cpu);
+
+ for (i = 0; i < NR_CACHED_SCS; i++) {
+ vfree(cache[i]);
+ cache[i] = NULL;
+ }
+
+ return 0;
}
void __init scs_init(void)
{
- scs_cache = kmem_cache_create("scs_cache", SCS_SIZE, 0, 0, NULL);
+ cpuhp_setup_state(CPUHP_BP_PREPARE_DYN, "scs:scs_cache", NULL,
+ scs_cleanup);
}
int scs_prepare(struct task_struct *tsk, int node)
diff --git a/kernel/seccomp.c b/kernel/seccomp.c
index 305f0ec..d9619fe 100644
--- a/kernel/seccomp.c
+++ b/kernel/seccomp.c
@@ -143,6 +143,38 @@ struct notification {
struct list_head notifications;
};
+#ifdef SECCOMP_ARCH_NATIVE
+/**
+ * struct action_cache - per-filter cache of seccomp actions per
+ * arch/syscall pair
+ *
+ * @allow_native: A bitmap where each bit represents whether the
+ * filter will always allow the syscall, for the
+ * native architecture.
+ * @allow_compat: A bitmap where each bit represents whether the
+ * filter will always allow the syscall, for the
+ * compat architecture.
+ */
+struct action_cache {
+ DECLARE_BITMAP(allow_native, SECCOMP_ARCH_NATIVE_NR);
+#ifdef SECCOMP_ARCH_COMPAT
+ DECLARE_BITMAP(allow_compat, SECCOMP_ARCH_COMPAT_NR);
+#endif
+};
+#else
+struct action_cache { };
+
+static inline bool seccomp_cache_check_allow(const struct seccomp_filter *sfilter,
+ const struct seccomp_data *sd)
+{
+ return false;
+}
+
+static inline void seccomp_cache_prepare(struct seccomp_filter *sfilter)
+{
+}
+#endif /* SECCOMP_ARCH_NATIVE */
+
/**
* struct seccomp_filter - container for seccomp BPF programs
*
@@ -159,6 +191,7 @@ struct notification {
* this filter after reaching 0. The @users count is always smaller
* or equal to @refs. Hence, reaching 0 for @users does not mean
* the filter can be freed.
+ * @cache: cache of arch/syscall mappings to actions
* @log: true if all actions except for SECCOMP_RET_ALLOW should be logged
* @prev: points to a previously installed, or inherited, filter
* @prog: the BPF program to evaluate
@@ -180,6 +213,7 @@ struct seccomp_filter {
refcount_t refs;
refcount_t users;
bool log;
+ struct action_cache cache;
struct seccomp_filter *prev;
struct bpf_prog *prog;
struct notification *notif;
@@ -298,6 +332,52 @@ static int seccomp_check_filter(struct sock_filter *filter, unsigned int flen)
return 0;
}
+#ifdef SECCOMP_ARCH_NATIVE
+static inline bool seccomp_cache_check_allow_bitmap(const void *bitmap,
+ size_t bitmap_size,
+ int syscall_nr)
+{
+ if (unlikely(syscall_nr < 0 || syscall_nr >= bitmap_size))
+ return false;
+ syscall_nr = array_index_nospec(syscall_nr, bitmap_size);
+
+ return test_bit(syscall_nr, bitmap);
+}
+
+/**
+ * seccomp_cache_check_allow - lookup seccomp cache
+ * @sfilter: The seccomp filter
+ * @sd: The seccomp data to lookup the cache with
+ *
+ * Returns true if the seccomp_data is cached and allowed.
+ */
+static inline bool seccomp_cache_check_allow(const struct seccomp_filter *sfilter,
+ const struct seccomp_data *sd)
+{
+ int syscall_nr = sd->nr;
+ const struct action_cache *cache = &sfilter->cache;
+
+#ifndef SECCOMP_ARCH_COMPAT
+ /* A native-only architecture doesn't need to check sd->arch. */
+ return seccomp_cache_check_allow_bitmap(cache->allow_native,
+ SECCOMP_ARCH_NATIVE_NR,
+ syscall_nr);
+#else
+ if (likely(sd->arch == SECCOMP_ARCH_NATIVE))
+ return seccomp_cache_check_allow_bitmap(cache->allow_native,
+ SECCOMP_ARCH_NATIVE_NR,
+ syscall_nr);
+ if (likely(sd->arch == SECCOMP_ARCH_COMPAT))
+ return seccomp_cache_check_allow_bitmap(cache->allow_compat,
+ SECCOMP_ARCH_COMPAT_NR,
+ syscall_nr);
+#endif /* SECCOMP_ARCH_COMPAT */
+
+ WARN_ON_ONCE(true);
+ return false;
+}
+#endif /* SECCOMP_ARCH_NATIVE */
+
/**
* seccomp_run_filters - evaluates all seccomp filters against @sd
* @sd: optional seccomp data to be passed to filters
@@ -320,6 +400,9 @@ static u32 seccomp_run_filters(const struct seccomp_data *sd,
if (WARN_ON(f == NULL))
return SECCOMP_RET_KILL_PROCESS;
+ if (seccomp_cache_check_allow(f, sd))
+ return SECCOMP_RET_ALLOW;
+
/*
* All filters in the list are evaluated and the lowest BPF return
* value always takes priority (ignoring the DATA).
@@ -544,7 +627,12 @@ static struct seccomp_filter *seccomp_prepare_filter(struct sock_fprog *fprog)
{
struct seccomp_filter *sfilter;
int ret;
- const bool save_orig = IS_ENABLED(CONFIG_CHECKPOINT_RESTORE);
+ const bool save_orig =
+#if defined(CONFIG_CHECKPOINT_RESTORE) || defined(SECCOMP_ARCH_NATIVE)
+ true;
+#else
+ false;
+#endif
if (fprog->len == 0 || fprog->len > BPF_MAXINSNS)
return ERR_PTR(-EINVAL);
@@ -609,6 +697,148 @@ seccomp_prepare_user_filter(const char __user *user_filter)
return filter;
}
+#ifdef SECCOMP_ARCH_NATIVE
+/**
+ * seccomp_is_const_allow - check if filter is constant allow with given data
+ * @fprog: The BPF programs
+ * @sd: The seccomp data to check against, only syscall number and arch
+ * number are considered constant.
+ */
+static bool seccomp_is_const_allow(struct sock_fprog_kern *fprog,
+ struct seccomp_data *sd)
+{
+ unsigned int reg_value = 0;
+ unsigned int pc;
+ bool op_res;
+
+ if (WARN_ON_ONCE(!fprog))
+ return false;
+
+ for (pc = 0; pc < fprog->len; pc++) {
+ struct sock_filter *insn = &fprog->filter[pc];
+ u16 code = insn->code;
+ u32 k = insn->k;
+
+ switch (code) {
+ case BPF_LD | BPF_W | BPF_ABS:
+ switch (k) {
+ case offsetof(struct seccomp_data, nr):
+ reg_value = sd->nr;
+ break;
+ case offsetof(struct seccomp_data, arch):
+ reg_value = sd->arch;
+ break;
+ default:
+ /* can't optimize (non-constant value load) */
+ return false;
+ }
+ break;
+ case BPF_RET | BPF_K:
+ /* reached return with constant values only, check allow */
+ return k == SECCOMP_RET_ALLOW;
+ case BPF_JMP | BPF_JA:
+ pc += insn->k;
+ break;
+ case BPF_JMP | BPF_JEQ | BPF_K:
+ case BPF_JMP | BPF_JGE | BPF_K:
+ case BPF_JMP | BPF_JGT | BPF_K:
+ case BPF_JMP | BPF_JSET | BPF_K:
+ switch (BPF_OP(code)) {
+ case BPF_JEQ:
+ op_res = reg_value == k;
+ break;
+ case BPF_JGE:
+ op_res = reg_value >= k;
+ break;
+ case BPF_JGT:
+ op_res = reg_value > k;
+ break;
+ case BPF_JSET:
+ op_res = !!(reg_value & k);
+ break;
+ default:
+ /* can't optimize (unknown jump) */
+ return false;
+ }
+
+ pc += op_res ? insn->jt : insn->jf;
+ break;
+ case BPF_ALU | BPF_AND | BPF_K:
+ reg_value &= k;
+ break;
+ default:
+ /* can't optimize (unknown insn) */
+ return false;
+ }
+ }
+
+ /* ran off the end of the filter?! */
+ WARN_ON(1);
+ return false;
+}
+
+static void seccomp_cache_prepare_bitmap(struct seccomp_filter *sfilter,
+ void *bitmap, const void *bitmap_prev,
+ size_t bitmap_size, int arch)
+{
+ struct sock_fprog_kern *fprog = sfilter->prog->orig_prog;
+ struct seccomp_data sd;
+ int nr;
+
+ if (bitmap_prev) {
+ /* The new filter must be as restrictive as the last. */
+ bitmap_copy(bitmap, bitmap_prev, bitmap_size);
+ } else {
+ /* Before any filters, all syscalls are always allowed. */
+ bitmap_fill(bitmap, bitmap_size);
+ }
+
+ for (nr = 0; nr < bitmap_size; nr++) {
+ /* No bitmap change: not a cacheable action. */
+ if (!test_bit(nr, bitmap))
+ continue;
+
+ sd.nr = nr;
+ sd.arch = arch;
+
+ /* No bitmap change: continue to always allow. */
+ if (seccomp_is_const_allow(fprog, &sd))
+ continue;
+
+ /*
+ * Not a cacheable action: always run filters.
+ * atomic clear_bit() not needed, filter not visible yet.
+ */
+ __clear_bit(nr, bitmap);
+ }
+}
+
+/**
+ * seccomp_cache_prepare - emulate the filter to find cachable syscalls
+ * @sfilter: The seccomp filter
+ *
+ * Returns 0 if successful or -errno if error occurred.
+ */
+static void seccomp_cache_prepare(struct seccomp_filter *sfilter)
+{
+ struct action_cache *cache = &sfilter->cache;
+ const struct action_cache *cache_prev =
+ sfilter->prev ? &sfilter->prev->cache : NULL;
+
+ seccomp_cache_prepare_bitmap(sfilter, cache->allow_native,
+ cache_prev ? cache_prev->allow_native : NULL,
+ SECCOMP_ARCH_NATIVE_NR,
+ SECCOMP_ARCH_NATIVE);
+
+#ifdef SECCOMP_ARCH_COMPAT
+ seccomp_cache_prepare_bitmap(sfilter, cache->allow_compat,
+ cache_prev ? cache_prev->allow_compat : NULL,
+ SECCOMP_ARCH_COMPAT_NR,
+ SECCOMP_ARCH_COMPAT);
+#endif /* SECCOMP_ARCH_COMPAT */
+}
+#endif /* SECCOMP_ARCH_NATIVE */
+
/**
* seccomp_attach_filter: validate and attach filter
* @flags: flags to change filter behavior
@@ -658,6 +888,7 @@ static long seccomp_attach_filter(unsigned int flags,
* task reference.
*/
filter->prev = current->seccomp.filter;
+ seccomp_cache_prepare(filter);
current->seccomp.filter = filter;
atomic_inc(¤t->seccomp.filter_count);
@@ -1971,7 +2202,7 @@ static bool seccomp_actions_logged_from_names(u32 *actions_logged, char *names)
return true;
}
-static int read_actions_logged(struct ctl_table *ro_table, void __user *buffer,
+static int read_actions_logged(struct ctl_table *ro_table, void *buffer,
size_t *lenp, loff_t *ppos)
{
char names[sizeof(seccomp_actions_avail)];
@@ -1989,7 +2220,7 @@ static int read_actions_logged(struct ctl_table *ro_table, void __user *buffer,
return proc_dostring(&table, 0, buffer, lenp, ppos);
}
-static int write_actions_logged(struct ctl_table *ro_table, void __user *buffer,
+static int write_actions_logged(struct ctl_table *ro_table, void *buffer,
size_t *lenp, loff_t *ppos, u32 *actions_logged)
{
char names[sizeof(seccomp_actions_avail)];
diff --git a/kernel/signal.c b/kernel/signal.c
index 6bb2df4..7814560 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -46,6 +46,7 @@
#include <linux/livepatch.h>
#include <linux/cgroup.h>
#include <linux/audit.h>
+#include <linux/oom.h>
#define CREATE_TRACE_POINTS
#include <trace/events/signal.h>
@@ -56,6 +57,8 @@
#include <asm/siginfo.h>
#include <asm/cacheflush.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/signal.h>
/*
* SLAB caches for signal bits.
*/
@@ -1286,7 +1289,7 @@ int do_send_sig_info(int sig, struct kernel_siginfo *info, struct task_struct *p
{
unsigned long flags;
int ret = -ESRCH;
-
+ trace_android_vh_do_send_sig_info(sig, current, p);
if (lock_task_sighand(p, &flags)) {
ret = send_signal(sig, info, p, type);
unlock_task_sighand(p, &flags);
@@ -1397,6 +1400,7 @@ struct sighand_struct *__lock_task_sighand(struct task_struct *tsk,
return sighand;
}
+EXPORT_SYMBOL_GPL(__lock_task_sighand);
/*
* send signal info to all the members of a group
@@ -1410,8 +1414,16 @@ int group_send_sig_info(int sig, struct kernel_siginfo *info,
ret = check_kill_permission(sig, info, p);
rcu_read_unlock();
- if (!ret && sig)
+ if (!ret && sig) {
ret = do_send_sig_info(sig, info, p, type);
+ if (!ret && sig == SIGKILL) {
+ bool reap = false;
+
+ trace_android_vh_process_killed(current, &reap);
+ if (reap)
+ add_to_oom_reaper(p);
+ }
+ }
return ret;
}
@@ -2514,6 +2526,26 @@ static int ptrace_signal(int signr, kernel_siginfo_t *info)
return signr;
}
+static void hide_si_addr_tag_bits(struct ksignal *ksig)
+{
+ switch (siginfo_layout(ksig->sig, ksig->info.si_code)) {
+ case SIL_FAULT:
+ case SIL_FAULT_MCEERR:
+ case SIL_FAULT_BNDERR:
+ case SIL_FAULT_PKUERR:
+ ksig->info.si_addr = arch_untagged_si_addr(
+ ksig->info.si_addr, ksig->sig, ksig->info.si_code);
+ break;
+ case SIL_KILL:
+ case SIL_TIMER:
+ case SIL_POLL:
+ case SIL_CHLD:
+ case SIL_RT:
+ case SIL_SYS:
+ break;
+ }
+}
+
bool get_signal(struct ksignal *ksig)
{
struct sighand_struct *sighand = current->sighand;
@@ -2751,6 +2783,10 @@ bool get_signal(struct ksignal *ksig)
spin_unlock_irq(&sighand->siglock);
ksig->sig = signr;
+
+ if (!(ksig->ka.sa.sa_flags & SA_EXPOSE_TAGBITS))
+ hide_si_addr_tag_bits(ksig);
+
return ksig->sig > 0;
}
@@ -3975,6 +4011,22 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
if (oact)
*oact = *k;
+ /*
+ * Make sure that we never accidentally claim to support SA_UNSUPPORTED,
+ * e.g. by having an architecture use the bit in their uapi.
+ */
+ BUILD_BUG_ON(UAPI_SA_FLAGS & SA_UNSUPPORTED);
+
+ /*
+ * Clear unknown flag bits in order to allow userspace to detect missing
+ * support for flag bits and to allow the kernel to use non-uapi bits
+ * internally.
+ */
+ if (act)
+ act->sa.sa_flags &= UAPI_SA_FLAGS;
+ if (oact)
+ oact->sa.sa_flags &= UAPI_SA_FLAGS;
+
sigaction_compat_abi(act, oact);
if (act) {
diff --git a/kernel/smp.c b/kernel/smp.c
index f73a597..d703309 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -24,6 +24,7 @@
#include <linux/sched/clock.h>
#include <linux/nmi.h>
#include <linux/sched/debug.h>
+#include <linux/suspend.h>
#include "smpboot.h"
#include "sched/smp.h"
@@ -957,13 +958,37 @@ void wake_up_all_idle_cpus(void)
if (cpu == smp_processor_id())
continue;
- wake_up_if_idle(cpu);
+#if IS_ENABLED(CONFIG_SUSPEND)
+ if (s2idle_state == S2IDLE_STATE_ENTER || cpu_active(cpu))
+#endif
+ wake_up_if_idle(cpu);
}
preempt_enable();
}
EXPORT_SYMBOL_GPL(wake_up_all_idle_cpus);
/**
+ * wake_up_all_online_idle_cpus - break all online cpus out of idle
+ * wake_up_all_online_idle_cpus try to break all online cpus which is in idle
+ * state even including idle polling cpus, for non-idle cpus, we will do nothing
+ * for them.
+ */
+void wake_up_all_online_idle_cpus(void)
+{
+ int cpu;
+
+ preempt_disable();
+ for_each_online_cpu(cpu) {
+ if (cpu == smp_processor_id())
+ continue;
+
+ wake_up_if_idle(cpu);
+ }
+ preempt_enable();
+}
+EXPORT_SYMBOL_GPL(wake_up_all_online_idle_cpus);
+
+/**
* smp_call_on_cpu - Call a function on a specific cpu
*
* Used to call a function on a specific cpu and wait for it to return.
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 09229ad..a6da60b 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -29,6 +29,9 @@
#define CREATE_TRACE_POINTS
#include <trace/events/irq.h>
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_exit);
+
/*
- No shared variables, all the data are CPU local.
- If a softirq needs serialization, let it serialize itself
@@ -55,6 +58,14 @@ EXPORT_PER_CPU_SYMBOL(irq_stat);
static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp;
DEFINE_PER_CPU(struct task_struct *, ksoftirqd);
+EXPORT_PER_CPU_SYMBOL_GPL(ksoftirqd);
+
+/*
+ * active_softirqs -- per cpu, a mask of softirqs that are being handled,
+ * with the expectation that approximate answers are acceptable and therefore
+ * no synchronization.
+ */
+DEFINE_PER_CPU(__u32, active_softirqs);
const char * const softirq_to_name[NR_SOFTIRQS] = {
"HI", "TIMER", "NET_TX", "NET_RX", "BLOCK", "IRQ_POLL",
@@ -77,22 +88,6 @@ static void wakeup_softirqd(void)
}
/*
- * If ksoftirqd is scheduled, we do not want to process pending softirqs
- * right now. Let ksoftirqd handle this at its own rate, to get fairness,
- * unless we're doing some of the synchronous softirqs.
- */
-#define SOFTIRQ_NOW_MASK ((1 << HI_SOFTIRQ) | (1 << TASKLET_SOFTIRQ))
-static bool ksoftirqd_running(unsigned long pending)
-{
- struct task_struct *tsk = __this_cpu_read(ksoftirqd);
-
- if (pending & SOFTIRQ_NOW_MASK)
- return false;
- return tsk && (tsk->state == TASK_RUNNING) &&
- !__kthread_should_park(tsk);
-}
-
-/*
* preempt_count and SOFTIRQ_OFFSET usage:
* - preempt_count is changed by SOFTIRQ_OFFSET on entering or leaving
* softirq processing.
@@ -252,6 +247,16 @@ static inline bool lockdep_softirq_start(void) { return false; }
static inline void lockdep_softirq_end(bool in_hardirq) { }
#endif
+#define softirq_deferred_for_rt(pending) \
+({ \
+ __u32 deferred = 0; \
+ if (cpupri_check_rt()) { \
+ deferred = pending & LONG_SOFTIRQ_MASK; \
+ pending &= ~LONG_SOFTIRQ_MASK; \
+ } \
+ deferred; \
+})
+
asmlinkage __visible void __softirq_entry __do_softirq(void)
{
unsigned long end = jiffies + MAX_SOFTIRQ_TIME;
@@ -259,6 +264,7 @@ asmlinkage __visible void __softirq_entry __do_softirq(void)
int max_restart = MAX_SOFTIRQ_RESTART;
struct softirq_action *h;
bool in_hardirq;
+ __u32 deferred;
__u32 pending;
int softirq_bit;
@@ -270,14 +276,15 @@ asmlinkage __visible void __softirq_entry __do_softirq(void)
current->flags &= ~PF_MEMALLOC;
pending = local_softirq_pending();
+ deferred = softirq_deferred_for_rt(pending);
account_irq_enter_time(current);
-
__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
in_hardirq = lockdep_softirq_start();
restart:
/* Reset the pending bitmask before enabling irqs */
- set_softirq_pending(0);
+ set_softirq_pending(deferred);
+ __this_cpu_write(active_softirqs, pending);
local_irq_enable();
@@ -307,19 +314,24 @@ asmlinkage __visible void __softirq_entry __do_softirq(void)
pending >>= softirq_bit;
}
+ __this_cpu_write(active_softirqs, 0);
if (__this_cpu_read(ksoftirqd) == current)
rcu_softirq_qs();
local_irq_disable();
pending = local_softirq_pending();
+ deferred = softirq_deferred_for_rt(pending);
+
if (pending) {
if (time_before(jiffies, end) && !need_resched() &&
--max_restart)
goto restart;
-
- wakeup_softirqd();
}
+#ifdef CONFIG_RT_SOFTINT_OPTIMIZATION
+ if (pending | deferred)
+ wakeup_softirqd();
+#endif
lockdep_softirq_end(in_hardirq);
account_irq_exit_time(current);
__local_bh_enable(SOFTIRQ_OFFSET);
@@ -339,7 +351,7 @@ asmlinkage __visible void do_softirq(void)
pending = local_softirq_pending();
- if (pending && !ksoftirqd_running(pending))
+ if (pending)
do_softirq_own_stack();
local_irq_restore(flags);
@@ -373,9 +385,6 @@ void irq_enter(void)
static inline void invoke_softirq(void)
{
- if (ksoftirqd_running(local_softirq_pending()))
- return;
-
if (!force_irqthreads) {
#ifdef CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK
/*
@@ -554,10 +563,15 @@ static void tasklet_action_common(struct softirq_action *a,
if (!test_and_clear_bit(TASKLET_STATE_SCHED,
&t->state))
BUG();
- if (t->use_callback)
+ if (t->use_callback) {
+ trace_tasklet_entry(t->callback);
t->callback(t);
- else
+ trace_tasklet_exit(t->callback);
+ } else {
+ trace_tasklet_entry(t->func);
t->func(t->data);
+ trace_tasklet_exit(t->func);
+ }
tasklet_unlock(t);
continue;
}
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 9f8117c..c44c157 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -150,6 +150,7 @@ unsigned int stack_trace_save_tsk(struct task_struct *tsk, unsigned long *store,
put_task_stack(tsk);
return c.len;
}
+EXPORT_SYMBOL_GPL(stack_trace_save_tsk);
/**
* stack_trace_save_regs - Save a stack trace based on pt_regs into a storage array
@@ -173,6 +174,7 @@ unsigned int stack_trace_save_regs(struct pt_regs *regs, unsigned long *store,
arch_stack_walk(consume_entry, &c, current, regs);
return c.len;
}
+EXPORT_SYMBOL_GPL(stack_trace_save_regs);
#ifdef CONFIG_HAVE_RELIABLE_STACKTRACE
/**
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 890b79cf..c65cfb7 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -22,16 +22,7 @@
#include <linux/atomic.h>
#include <linux/nmi.h>
#include <linux/sched/wake_q.h>
-
-/*
- * Structure to determine completion condition and record errors. May
- * be shared by works on different cpus.
- */
-struct cpu_stop_done {
- atomic_t nr_todo; /* nr left to execute */
- int ret; /* collected return value */
- struct completion completion; /* fired if nr_todo reaches 0 */
-};
+#include <linux/slab.h>
/* the actual stopper, one per every possible cpu, enabled on online cpus */
struct cpu_stopper {
@@ -370,6 +361,55 @@ bool stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
*work_buf = (struct cpu_stop_work){ .fn = fn, .arg = arg, };
return cpu_stop_queue_work(cpu, work_buf);
}
+EXPORT_SYMBOL_GPL(stop_one_cpu_nowait);
+
+/**
+ * stop_one_cpu_async - stop a cpu and wait for completion in a separated
+ * function: stop_wait_work()
+ * @cpu: cpu to stop
+ * @fn: function to execute
+ * @arg: argument to @fn
+ * @work_buf: pointer to cpu_stop_work structure
+ *
+ * CONTEXT:
+ * Might sleep.
+ *
+ * RETURNS:
+ * 0 if cpu_stop_work was queued successfully and @fn will be called.
+ * ENOENT if @fn(@arg) was not executed because @cpu was offline.
+ */
+int stop_one_cpu_async(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
+ struct cpu_stop_work *work_buf,
+ struct cpu_stop_done *done)
+{
+ cpu_stop_init_done(done, 1);
+
+ work_buf->done = done;
+ work_buf->fn = fn;
+ work_buf->arg = arg;
+
+ if (cpu_stop_queue_work(cpu, work_buf))
+ return 0;
+
+ work_buf->done = NULL;
+
+ return -ENOENT;
+}
+
+/**
+ * cpu_stop_work_wait - wait for a stop initiated by stop_one_cpu_async().
+ * @work_buf: pointer to cpu_stop_work structure
+ *
+ * CONTEXT:
+ * Might sleep.
+ */
+void cpu_stop_work_wait(struct cpu_stop_work *work_buf)
+{
+ struct cpu_stop_done *done = work_buf->done;
+
+ wait_for_completion(&done->completion);
+ work_buf->done = NULL;
+}
static bool queue_stop_cpus_work(const struct cpumask *cpumask,
cpu_stop_fn_t fn, void *arg,
diff --git a/kernel/sys.c b/kernel/sys.c
index 24a3a28..980e3ab 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -42,6 +42,8 @@
#include <linux/syscore_ops.h>
#include <linux/version.h>
#include <linux/ctype.h>
+#include <linux/mm.h>
+#include <linux/mempolicy.h>
#include <linux/compat.h>
#include <linux/syscalls.h>
@@ -74,6 +76,8 @@
#include "uid16.h"
+#include <trace/hooks/sys.h>
+
#ifndef SET_UNALIGN_CTL
# define SET_UNALIGN_CTL(a, b) (-EINVAL)
#endif
@@ -119,6 +123,12 @@
#ifndef PAC_RESET_KEYS
# define PAC_RESET_KEYS(a, b) (-EINVAL)
#endif
+#ifndef PAC_SET_ENABLED_KEYS
+# define PAC_SET_ENABLED_KEYS(a, b, c) (-EINVAL)
+#endif
+#ifndef PAC_GET_ENABLED_KEYS
+# define PAC_GET_ENABLED_KEYS(a) (-EINVAL)
+#endif
#ifndef SET_TAGGED_ADDR_CTRL
# define SET_TAGGED_ADDR_CTRL(a) (-EINVAL)
#endif
@@ -2271,6 +2281,153 @@ int __weak arch_prctl_spec_ctrl_set(struct task_struct *t, unsigned long which,
return -EINVAL;
}
+#ifdef CONFIG_MMU
+static int prctl_update_vma_anon_name(struct vm_area_struct *vma,
+ struct vm_area_struct **prev,
+ unsigned long start, unsigned long end,
+ const char __user *name_addr)
+{
+ struct mm_struct *mm = vma->vm_mm;
+ int error = 0;
+ pgoff_t pgoff;
+
+ if (name_addr == vma_get_anon_name(vma)) {
+ *prev = vma;
+ goto out;
+ }
+
+ pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
+ *prev = vma_merge(mm, *prev, start, end, vma->vm_flags, vma->anon_vma,
+ vma->vm_file, pgoff, vma_policy(vma),
+ vma->vm_userfaultfd_ctx, name_addr);
+ if (*prev) {
+ vma = *prev;
+ goto success;
+ }
+
+ *prev = vma;
+
+ if (start != vma->vm_start) {
+ error = split_vma(mm, vma, start, 1);
+ if (error)
+ goto out;
+ }
+
+ if (end != vma->vm_end) {
+ error = split_vma(mm, vma, end, 0);
+ if (error)
+ goto out;
+ }
+
+success:
+ if (!vma->vm_file)
+ vma->anon_name = name_addr;
+
+out:
+ if (error == -ENOMEM)
+ error = -EAGAIN;
+ return error;
+}
+
+static int prctl_set_vma_anon_name(unsigned long start, unsigned long end,
+ unsigned long arg)
+{
+ unsigned long tmp;
+ struct vm_area_struct *vma, *prev;
+ int unmapped_error = 0;
+ int error = -EINVAL;
+
+ /*
+ * If the interval [start,end) covers some unmapped address
+ * ranges, just ignore them, but return -ENOMEM at the end.
+ * - this matches the handling in madvise.
+ */
+ vma = find_vma_prev(current->mm, start, &prev);
+ if (vma && start > vma->vm_start)
+ prev = vma;
+
+ for (;;) {
+ /* Still start < end. */
+ error = -ENOMEM;
+ if (!vma)
+ return error;
+
+ /* Here start < (end|vma->vm_end). */
+ if (start < vma->vm_start) {
+ unmapped_error = -ENOMEM;
+ start = vma->vm_start;
+ if (start >= end)
+ return error;
+ }
+
+ /* Here vma->vm_start <= start < (end|vma->vm_end) */
+ tmp = vma->vm_end;
+ if (end < tmp)
+ tmp = end;
+
+ /* Here vma->vm_start <= start < tmp <= (end|vma->vm_end). */
+ error = prctl_update_vma_anon_name(vma, &prev, start, tmp,
+ (const char __user *)arg);
+ if (error)
+ return error;
+ start = tmp;
+ if (prev && start < prev->vm_end)
+ start = prev->vm_end;
+ error = unmapped_error;
+ if (start >= end)
+ return error;
+ if (prev)
+ vma = prev->vm_next;
+ else /* madvise_remove dropped mmap_lock */
+ vma = find_vma(current->mm, start);
+ }
+}
+
+static int prctl_set_vma(unsigned long opt, unsigned long start,
+ unsigned long len_in, unsigned long arg)
+{
+ struct mm_struct *mm = current->mm;
+ int error;
+ unsigned long len;
+ unsigned long end;
+
+ if (start & ~PAGE_MASK)
+ return -EINVAL;
+ len = (len_in + ~PAGE_MASK) & PAGE_MASK;
+
+ /* Check to see whether len was rounded up from small -ve to zero */
+ if (len_in && !len)
+ return -EINVAL;
+
+ end = start + len;
+ if (end < start)
+ return -EINVAL;
+
+ if (end == start)
+ return 0;
+
+ mmap_write_lock(mm);
+
+ switch (opt) {
+ case PR_SET_VMA_ANON_NAME:
+ error = prctl_set_vma_anon_name(start, end, arg);
+ break;
+ default:
+ error = -EINVAL;
+ }
+
+ mmap_write_unlock(mm);
+
+ return error;
+}
+#else /* CONFIG_MMU */
+static int prctl_set_vma(unsigned long opt, unsigned long start,
+ unsigned long len_in, unsigned long arg)
+{
+ return -EINVAL;
+}
+#endif
+
#define PR_IO_FLUSHER (PF_MEMALLOC_NOIO | PF_LOCAL_THROTTLE)
SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
@@ -2485,11 +2642,24 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
return -EINVAL;
error = arch_prctl_spec_ctrl_set(me, arg2, arg3);
break;
+ case PR_SET_VMA:
+ error = prctl_set_vma(arg2, arg3, arg4, arg5);
+ break;
case PR_PAC_RESET_KEYS:
if (arg3 || arg4 || arg5)
return -EINVAL;
error = PAC_RESET_KEYS(me, arg2);
break;
+ case PR_PAC_SET_ENABLED_KEYS:
+ if (arg4 || arg5)
+ return -EINVAL;
+ error = PAC_SET_ENABLED_KEYS(me, arg2, arg3);
+ break;
+ case PR_PAC_GET_ENABLED_KEYS:
+ if (arg2 || arg3 || arg4 || arg5)
+ return -EINVAL;
+ error = PAC_GET_ENABLED_KEYS(me);
+ break;
case PR_SET_TAGGED_ADDR_CTRL:
if (arg3 || arg4 || arg5)
return -EINVAL;
@@ -2527,6 +2697,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
error = -EINVAL;
break;
}
+ trace_android_vh_syscall_prctl_finished(option, me);
return error;
}
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b9306d2..7aed10c 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -106,6 +106,9 @@
#if defined(CONFIG_SYSCTL)
+/* External variables not in a header file. */
+extern int extra_free_kbytes;
+
/* Constants used for minimum and maximum */
#ifdef CONFIG_LOCKUP_DETECTOR
static int sixty = 60;
@@ -2855,7 +2858,7 @@ static struct ctl_table vm_table[] = {
.data = &sysctl_compaction_proactiveness,
.maxlen = sizeof(sysctl_compaction_proactiveness),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
+ .proc_handler = compaction_proactiveness_sysctl_handler,
.extra1 = SYSCTL_ZERO,
.extra2 = &one_hundred,
},
@@ -2905,6 +2908,14 @@ static struct ctl_table vm_table[] = {
.extra2 = &one_thousand,
},
{
+ .procname = "extra_free_kbytes",
+ .data = &extra_free_kbytes,
+ .maxlen = sizeof(extra_free_kbytes),
+ .mode = 0644,
+ .proc_handler = min_free_kbytes_sysctl_handler,
+ .extra1 = SYSCTL_ZERO,
+ },
+ {
.procname = "percpu_pagelist_fraction",
.data = &percpu_pagelist_fraction,
.maxlen = sizeof(percpu_pagelist_fraction),
diff --git a/kernel/task_work.c b/kernel/task_work.c
index 8d6e121..e3a8e5c 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -35,6 +35,9 @@ int task_work_add(struct task_struct *task, struct callback_head *work,
struct callback_head *head;
unsigned long flags;
+ /* record the work call stack in order to print it in KASAN reports */
+ kasan_record_aux_stack(work);
+
do {
head = READ_ONCE(task->task_works);
if (unlikely(head == &work_exited))
diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index b1b9b12..d5ab3fb 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -16,6 +16,7 @@
#include <linux/sched_clock.h>
#include <linux/seqlock.h>
#include <linux/bitops.h>
+#include <trace/hooks/epoch.h>
#include "timekeeping.h"
@@ -270,6 +271,7 @@ int sched_clock_suspend(void)
update_sched_clock();
hrtimer_cancel(&sched_clock_timer);
rd->read_sched_clock = suspended_sched_clock_read;
+ trace_android_vh_show_suspend_epoch_val(rd->epoch_ns, rd->epoch_cyc);
return 0;
}
@@ -281,6 +283,7 @@ void sched_clock_resume(void)
rd->epoch_cyc = cd.actual_read_sched_clock();
hrtimer_start(&sched_clock_timer, cd.wrap_kt, HRTIMER_MODE_REL_HARD);
rd->read_sched_clock = cd.actual_read_sched_clock;
+ trace_android_vh_show_resume_epoch_val(rd->epoch_cyc);
}
static struct syscore_ops sched_clock_ops = {
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index 36d7464..086d36b 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -33,6 +33,8 @@ static int tick_broadcast_forced;
static __cacheline_aligned_in_smp DEFINE_RAW_SPINLOCK(tick_broadcast_lock);
#ifdef CONFIG_TICK_ONESHOT
+static DEFINE_PER_CPU(struct clock_event_device *, tick_oneshot_wakeup_device);
+
static void tick_broadcast_setup_oneshot(struct clock_event_device *bc);
static void tick_broadcast_clear_oneshot(int cpu);
static void tick_resume_broadcast_oneshot(struct clock_event_device *bc);
@@ -61,6 +63,13 @@ struct cpumask *tick_get_broadcast_mask(void)
return tick_broadcast_mask;
}
+static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu);
+
+const struct clock_event_device *tick_get_wakeup_device(int cpu)
+{
+ return tick_get_oneshot_wakeup_device(cpu);
+}
+
/*
* Start the device in periodic mode
*/
@@ -88,13 +97,75 @@ static bool tick_check_broadcast_device(struct clock_event_device *curdev,
return !curdev || newdev->rating > curdev->rating;
}
+#ifdef CONFIG_TICK_ONESHOT
+static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu)
+{
+ return per_cpu(tick_oneshot_wakeup_device, cpu);
+}
+
+static void tick_oneshot_wakeup_handler(struct clock_event_device *wd)
+{
+ /*
+ * If we woke up early and the tick was reprogrammed in the
+ * meantime then this may be spurious but harmless.
+ */
+ tick_receive_broadcast();
+}
+
+static bool tick_set_oneshot_wakeup_device(struct clock_event_device *newdev,
+ int cpu)
+{
+ struct clock_event_device *curdev = tick_get_oneshot_wakeup_device(cpu);
+
+ if (!newdev)
+ goto set_device;
+
+ if ((newdev->features & CLOCK_EVT_FEAT_DUMMY) ||
+ (newdev->features & CLOCK_EVT_FEAT_C3STOP))
+ return false;
+
+ if (!(newdev->features & CLOCK_EVT_FEAT_PERCPU) ||
+ !(newdev->features & CLOCK_EVT_FEAT_ONESHOT))
+ return false;
+
+ if (!cpumask_equal(newdev->cpumask, cpumask_of(cpu)))
+ return false;
+
+ if (curdev && newdev->rating <= curdev->rating)
+ return false;
+
+ if (!try_module_get(newdev->owner))
+ return false;
+
+ newdev->event_handler = tick_oneshot_wakeup_handler;
+set_device:
+ clockevents_exchange_device(curdev, newdev);
+ per_cpu(tick_oneshot_wakeup_device, cpu) = newdev;
+ return true;
+}
+#else
+static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu)
+{
+ return NULL;
+}
+
+static bool tick_set_oneshot_wakeup_device(struct clock_event_device *newdev,
+ int cpu)
+{
+ return false;
+}
+#endif
+
/*
* Conditionally install/replace broadcast device
*/
-void tick_install_broadcast_device(struct clock_event_device *dev)
+void tick_install_broadcast_device(struct clock_event_device *dev, int cpu)
{
struct clock_event_device *cur = tick_broadcast_device.evtdev;
+ if (tick_set_oneshot_wakeup_device(dev, cpu))
+ return;
+
if (!tick_check_broadcast_device(cur, dev))
return;
@@ -107,6 +178,19 @@ void tick_install_broadcast_device(struct clock_event_device *dev)
tick_broadcast_device.evtdev = dev;
if (!cpumask_empty(tick_broadcast_mask))
tick_broadcast_start_periodic(dev);
+
+ if (!(dev->features & CLOCK_EVT_FEAT_ONESHOT))
+ return;
+
+ /*
+ * If the system already runs in oneshot mode, switch the newly
+ * registered broadcast device to oneshot mode explicitly.
+ */
+ if (tick_broadcast_oneshot_active()) {
+ tick_broadcast_switch_to_oneshot();
+ return;
+ }
+
/*
* Inform all cpus about this. We might be in a situation
* where we did not switch to oneshot mode because the per cpu
@@ -115,8 +199,7 @@ void tick_install_broadcast_device(struct clock_event_device *dev)
* notification the systems stays stuck in periodic mode
* forever.
*/
- if (dev->features & CLOCK_EVT_FEAT_ONESHOT)
- tick_clock_notify();
+ tick_clock_notify();
}
/*
@@ -241,7 +324,6 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
return ret;
}
-#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
int tick_receive_broadcast(void)
{
struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
@@ -256,7 +338,6 @@ int tick_receive_broadcast(void)
evt->event_handler(evt);
return 0;
}
-#endif
/*
* Broadcast the event to the cpus, which are set in the mask (mangled).
@@ -707,24 +788,16 @@ static void broadcast_shutdown_local(struct clock_event_device *bc,
clockevents_switch_state(dev, CLOCK_EVT_STATE_SHUTDOWN);
}
-int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
+static int ___tick_broadcast_oneshot_control(enum tick_broadcast_state state,
+ struct tick_device *td,
+ int cpu)
{
- struct clock_event_device *bc, *dev;
- int cpu, ret = 0;
+ struct clock_event_device *bc, *dev = td->evtdev;
+ int ret = 0;
ktime_t now;
- /*
- * If there is no broadcast device, tell the caller not to go
- * into deep idle.
- */
- if (!tick_broadcast_device.evtdev)
- return -EBUSY;
-
- dev = this_cpu_ptr(&tick_cpu_device)->evtdev;
-
raw_spin_lock(&tick_broadcast_lock);
bc = tick_broadcast_device.evtdev;
- cpu = smp_processor_id();
if (state == TICK_BROADCAST_ENTER) {
/*
@@ -853,6 +926,53 @@ int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
return ret;
}
+static int tick_oneshot_wakeup_control(enum tick_broadcast_state state,
+ struct tick_device *td,
+ int cpu)
+{
+ struct clock_event_device *dev, *wd;
+
+ dev = td->evtdev;
+ if (td->mode != TICKDEV_MODE_ONESHOT)
+ return -EINVAL;
+
+ wd = tick_get_oneshot_wakeup_device(cpu);
+ if (!wd)
+ return -ENODEV;
+
+ switch (state) {
+ case TICK_BROADCAST_ENTER:
+ clockevents_switch_state(dev, CLOCK_EVT_STATE_ONESHOT_STOPPED);
+ clockevents_switch_state(wd, CLOCK_EVT_STATE_ONESHOT);
+ clockevents_program_event(wd, dev->next_event, 1);
+ break;
+ case TICK_BROADCAST_EXIT:
+ /* We may have transitioned to oneshot mode while idle */
+ if (clockevent_get_state(wd) != CLOCK_EVT_STATE_ONESHOT)
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+int __tick_broadcast_oneshot_control(enum tick_broadcast_state state)
+{
+ struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
+ int cpu = smp_processor_id();
+
+ if (!tick_oneshot_wakeup_control(state, td, cpu))
+ return 0;
+
+ if (tick_broadcast_device.evtdev)
+ return ___tick_broadcast_oneshot_control(state, td, cpu);
+
+ /*
+ * If there is no broadcast or wakeup device, tell the caller not
+ * to go into deep idle.
+ */
+ return -EBUSY;
+}
+
/*
* Reset the one shot broadcast for a cpu
*
@@ -962,6 +1082,9 @@ void hotplug_cpu__broadcast_tick_pull(int deadcpu)
*/
static void tick_broadcast_oneshot_offline(unsigned int cpu)
{
+ if (tick_get_oneshot_wakeup_device(cpu))
+ tick_set_oneshot_wakeup_device(NULL, cpu);
+
/*
* Clear the broadcast masks for the dead cpu, but do not stop
* the broadcast device!
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 6c9c342..572b4c0 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <linux/module.h>
#include <trace/events/power.h>
+#include <trace/hooks/sched.h>
#include <asm/irq_regs.h>
@@ -94,6 +95,7 @@ static void tick_periodic(int cpu)
write_seqcount_end(&jiffies_seq);
raw_spin_unlock(&jiffies_lock);
update_wall_time();
+ trace_android_vh_jiffies_update(NULL);
}
update_process_times(user_mode(get_irq_regs()));
@@ -378,7 +380,7 @@ void tick_check_new_device(struct clock_event_device *newdev)
/*
* Can the new device be used as a broadcast device ?
*/
- tick_install_broadcast_device(newdev);
+ tick_install_broadcast_device(newdev, cpu);
}
/**
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
index 5294f5b..ab9cb68 100644
--- a/kernel/time/tick-internal.h
+++ b/kernel/time/tick-internal.h
@@ -62,7 +62,7 @@ extern ssize_t sysfs_get_uname(const char *buf, char *dst, size_t cnt);
/* Broadcasting support */
# ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
extern int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu);
-extern void tick_install_broadcast_device(struct clock_event_device *dev);
+extern void tick_install_broadcast_device(struct clock_event_device *dev, int cpu);
extern int tick_is_broadcast_device(struct clock_event_device *dev);
extern void tick_suspend_broadcast(void);
extern void tick_resume_broadcast(void);
@@ -72,8 +72,9 @@ extern void tick_set_periodic_handler(struct clock_event_device *dev, int broadc
extern int tick_broadcast_update_freq(struct clock_event_device *dev, u32 freq);
extern struct tick_device *tick_get_broadcast_device(void);
extern struct cpumask *tick_get_broadcast_mask(void);
+extern const struct clock_event_device *tick_get_wakeup_device(int cpu);
# else /* !CONFIG_GENERIC_CLOCKEVENTS_BROADCAST: */
-static inline void tick_install_broadcast_device(struct clock_event_device *dev) { }
+static inline void tick_install_broadcast_device(struct clock_event_device *dev, int cpu) { }
static inline int tick_is_broadcast_device(struct clock_event_device *dev) { return 0; }
static inline int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu) { return 0; }
static inline void tick_do_periodic_broadcast(struct clock_event_device *d) { }
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index e8d351b..9895cee 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -25,6 +25,7 @@
#include <linux/posix-timers.h>
#include <linux/context_tracking.h>
#include <linux/mm.h>
+#include <trace/hooks/sched.h>
#include <asm/irq_regs.h>
@@ -143,8 +144,10 @@ static void tick_sched_do_timer(struct tick_sched *ts, ktime_t now)
#endif
/* Check, if the jiffies need an update */
- if (tick_do_timer_cpu == cpu)
+ if (tick_do_timer_cpu == cpu) {
tick_do_update_jiffies64(now);
+ trace_android_vh_jiffies_update(NULL);
+ }
if (ts->inidle)
ts->got_idle_tick = 1;
@@ -1110,6 +1113,7 @@ ktime_t tick_nohz_get_sleep_length(ktime_t *delta_next)
return ktime_sub(next_event, now);
}
+EXPORT_SYMBOL_GPL(tick_nohz_get_sleep_length);
/**
* tick_nohz_get_idle_calls_cpu - return the current idle calls counter value
@@ -1123,6 +1127,7 @@ unsigned long tick_nohz_get_idle_calls_cpu(int cpu)
return ts->idle_calls;
}
+EXPORT_SYMBOL_GPL(tick_nohz_get_idle_calls_cpu);
/**
* tick_nohz_get_idle_calls - return the current idle calls counter value
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 3985b2b..5fe2cc0 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -686,6 +686,7 @@ u64 nsec_to_clock_t(u64 x)
return div_u64(x * 9, (9ull * NSEC_PER_SEC + (USER_HZ / 2)) / USER_HZ);
#endif
}
+EXPORT_SYMBOL_GPL(nsec_to_clock_t);
u64 jiffies64_to_nsecs(u64 j)
{
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index a3ec21b..ed71c41 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -55,6 +55,11 @@
#define CREATE_TRACE_POINTS
#include <trace/events/timer.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/timer.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(hrtimer_expire_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(hrtimer_expire_exit);
__visible u64 jiffies_64 __cacheline_aligned_in_smp = INITIAL_JIFFIES;
@@ -502,6 +507,7 @@ static inline unsigned calc_index(unsigned long expires, unsigned lvl,
*
* Round up with level granularity to prevent this.
*/
+ trace_android_vh_timer_calc_index(lvl, &expires);
expires = (expires + LVL_GRAN(lvl)) >> LVL_SHIFT(lvl);
*bucket_expiry = expires << LVL_SHIFT(lvl);
return LVL_OFFS(lvl) + (expires & LVL_MASK);
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index acb326f..97a8f5f 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -256,6 +256,14 @@ print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu)
print_name_offset(m, dev->event_handler);
SEQ_printf(m, "\n");
SEQ_printf(m, " retries: %lu\n", dev->retries);
+
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+ if (cpu >= 0) {
+ const struct clock_event_device *wd = tick_get_wakeup_device(cpu);
+
+ SEQ_printf(m, "Wakeup Device: %s\n", wd ? wd->name : "<NULL>");
+ }
+#endif
SEQ_printf(m, "\n");
}
@@ -276,7 +284,7 @@ static void timer_list_show_tickdevices_header(struct seq_file *m)
static inline void timer_list_header(struct seq_file *m, u64 now)
{
- SEQ_printf(m, "Timer List Version: v0.8\n");
+ SEQ_printf(m, "Timer List Version: v0.9\n");
SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES);
SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now);
SEQ_printf(m, "\n");
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 29db703..3c0e969 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -51,6 +51,11 @@
help
Arch supports the gcc options -pg with -mrecord-mcount and -nop-mcount
+config HAVE_OBJTOOL_MCOUNT
+ bool
+ help
+ Arch supports objtool --mcount
+
config HAVE_C_RECORDMCOUNT
bool
help
@@ -81,6 +86,14 @@
Allow the use of ring_buffer_swap_cpu.
Adds a very slight overhead to tracing when enabled.
+config TRACE_MMIO_ACCESS
+ bool "Register read/write tracing"
+ depends on TRACING
+ depends on ARM64
+ help
+ Create tracepoints for IO read/write operations. These trace events
+ can be used for logging all MMIO read/write operations.
+
config PREEMPTIRQ_TRACEPOINTS
bool
depends on TRACE_PREEMPT_TOGGLE || TRACE_IRQFLAGS
@@ -90,6 +103,11 @@
Create preempt/irq toggle tracepoints if needed, so that other parts
of the kernel can use them to generate or add hooks to them.
+menuconfig TRACEFS_DISABLE_AUTOMOUNT
+ bool "Do not autmount tracefs in the debugfs filesystem"
+ help
+ Provides an option to not automount tracefs in /sys/kernel/debug/tracing.
+
# All tracer options should select GENERIC_TRACER. For those options that are
# enabled by all tracers (context switch and event tracer) they select TRACING.
# This allows those options to appear when no other tracer is selected. But the
@@ -595,6 +613,30 @@
depends on DYNAMIC_FTRACE
depends on HAVE_FTRACE_MCOUNT_RECORD
+config FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+ bool
+ depends on FTRACE_MCOUNT_RECORD
+
+config FTRACE_MCOUNT_USE_CC
+ def_bool y
+ depends on $(cc-option,-mrecord-mcount)
+ depends on !FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+ depends on FTRACE_MCOUNT_RECORD
+
+config FTRACE_MCOUNT_USE_OBJTOOL
+ def_bool y
+ depends on HAVE_OBJTOOL_MCOUNT
+ depends on !FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+ depends on !FTRACE_MCOUNT_USE_CC
+ depends on FTRACE_MCOUNT_RECORD
+
+config FTRACE_MCOUNT_USE_RECORDMCOUNT
+ def_bool y
+ depends on !FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
+ depends on !FTRACE_MCOUNT_USE_CC
+ depends on !FTRACE_MCOUNT_USE_OBJTOOL
+ depends on FTRACE_MCOUNT_RECORD
+
config TRACING_MAP
bool
depends on ARCH_HAVE_NMI_SAFE_CMPXCHG
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index e153be3..ff5e61d 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -81,6 +81,7 @@
obj-$(CONFIG_HIST_TRIGGERS) += trace_events_hist.o
obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o
obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe.o
+obj-$(CONFIG_TRACEPOINTS) += error_report-traces.o
obj-$(CONFIG_TRACEPOINTS) += power-traces.o
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o
@@ -94,5 +95,6 @@
obj-$(CONFIG_BOOTTIME_TRACING) += trace_boot.o
obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_benchmark.o
+obj-$(CONFIG_TRACE_MMIO_ACCESS) += trace_readwrite.o
libftrace-y := ftrace.o
diff --git a/kernel/trace/error_report-traces.c b/kernel/trace/error_report-traces.c
new file mode 100644
index 0000000..632c8c7
--- /dev/null
+++ b/kernel/trace/error_report-traces.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Error reporting trace points.
+ *
+ * Copyright (C) 2021, Google LLC.
+ */
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/error_report.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(error_report_end);
+
diff --git a/kernel/trace/power-traces.c b/kernel/trace/power-traces.c
index 21bb161..3ca551c 100644
--- a/kernel/trace/power-traces.c
+++ b/kernel/trace/power-traces.c
@@ -18,4 +18,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(suspend_resume);
EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_idle);
EXPORT_TRACEPOINT_SYMBOL_GPL(cpu_frequency);
EXPORT_TRACEPOINT_SYMBOL_GPL(powernv_throttle);
-
+EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_end);
+EXPORT_TRACEPOINT_SYMBOL_GPL(clock_set_rate);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e4f1541..cdf6dd5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -48,6 +48,7 @@
#include <linux/fsnotify.h>
#include <linux/irq_work.h>
#include <linux/workqueue.h>
+#include <trace/hooks/ftrace_dump.h>
#include "trace.h"
#include "trace_output.h"
@@ -9013,6 +9014,7 @@ init_tracer_tracefs(struct trace_array *tr, struct dentry *d_tracer)
ftrace_init_tracefs(tr, d_tracer);
}
+#ifndef CONFIG_TRACEFS_DISABLE_AUTOMOUNT
static struct vfsmount *trace_automount(struct dentry *mntpt, void *ingore)
{
struct vfsmount *mnt;
@@ -9034,6 +9036,7 @@ static struct vfsmount *trace_automount(struct dentry *mntpt, void *ingore)
return mnt;
}
+#endif
/**
* tracing_init_dentry - initialize top level trace array
@@ -9058,6 +9061,7 @@ int tracing_init_dentry(void)
if (WARN_ON(!tracefs_initialized()))
return -ENODEV;
+#ifndef CONFIG_TRACEFS_DISABLE_AUTOMOUNT
/*
* As there may still be users that expect the tracing
* files to exist in debugfs/tracing, we must automount
@@ -9066,6 +9070,9 @@ int tracing_init_dentry(void)
*/
tr->dir = debugfs_create_automount("tracing", NULL,
trace_automount, NULL);
+#else
+ tr->dir = ERR_PTR(-ENODEV);
+#endif
return 0;
}
@@ -9205,8 +9212,17 @@ static __init int tracer_init_tracefs(void)
static int trace_panic_handler(struct notifier_block *this,
unsigned long event, void *unused)
{
+ bool ftrace_check = false;
+
+ trace_android_vh_ftrace_oops_enter(&ftrace_check);
+
+ if (ftrace_check)
+ return NOTIFY_OK;
+
if (ftrace_dump_on_oops)
ftrace_dump(ftrace_dump_on_oops);
+
+ trace_android_vh_ftrace_oops_exit(&ftrace_check);
return NOTIFY_OK;
}
@@ -9220,6 +9236,13 @@ static int trace_die_handler(struct notifier_block *self,
unsigned long val,
void *data)
{
+ bool ftrace_check = false;
+
+ trace_android_vh_ftrace_oops_enter(&ftrace_check);
+
+ if (ftrace_check)
+ return NOTIFY_OK;
+
switch (val) {
case DIE_OOPS:
if (ftrace_dump_on_oops)
@@ -9228,6 +9251,8 @@ static int trace_die_handler(struct notifier_block *self,
default:
break;
}
+
+ trace_android_vh_ftrace_oops_exit(&ftrace_check);
return NOTIFY_OK;
}
@@ -9252,6 +9277,8 @@ static struct notifier_block trace_die_notifier = {
void
trace_printk_seq(struct trace_seq *s)
{
+ bool dump_printk = true;
+
/* Probably should print a warning here. */
if (s->seq.len >= TRACE_MAX_PRINT)
s->seq.len = TRACE_MAX_PRINT;
@@ -9267,7 +9294,9 @@ trace_printk_seq(struct trace_seq *s)
/* should be zero ended, but we are paranoid. */
s->buffer[s->seq.len] = 0;
- printk(KERN_TRACE "%s", s->buffer);
+ trace_android_vh_ftrace_dump_buffer(s, &dump_printk);
+ if (dump_printk)
+ printk(KERN_TRACE "%s", s->buffer);
trace_seq_init(s);
}
@@ -9300,6 +9329,8 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
unsigned int old_userobj;
unsigned long flags;
int cnt = 0, cpu;
+ bool ftrace_check = false;
+ unsigned long size;
/* Only allow one dump user at a time. */
if (atomic_inc_return(&dump_running) != 1) {
@@ -9328,6 +9359,8 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
for_each_tracing_cpu(cpu) {
atomic_inc(&per_cpu_ptr(iter.array_buffer->data, cpu)->disabled);
+ size = ring_buffer_size(iter.array_buffer->buffer, cpu);
+ trace_android_vh_ftrace_size_check(size, &ftrace_check);
}
old_userobj = tr->trace_flags & TRACE_ITER_SYM_USEROBJ;
@@ -9335,6 +9368,9 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
/* don't look at user memory in panic mode */
tr->trace_flags &= ~TRACE_ITER_SYM_USEROBJ;
+ if (ftrace_check)
+ goto out_enable;
+
switch (oops_dump_mode) {
case DUMP_ALL:
iter.cpu_file = RING_BUFFER_ALL_CPUS;
@@ -9365,6 +9401,7 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
*/
while (!trace_empty(&iter)) {
+ ftrace_check = true;
if (!cnt)
printk(KERN_TRACE "---------------------------------\n");
@@ -9372,7 +9409,9 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
cnt++;
trace_iterator_reset(&iter);
- iter.iter_flags |= TRACE_FILE_LAT_FMT;
+ trace_android_vh_ftrace_format_check(&ftrace_check);
+ if (ftrace_check)
+ iter.iter_flags |= TRACE_FILE_LAT_FMT;
if (trace_find_next_entry_inc(&iter) != NULL) {
int ret;
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index f493804..c881e5a 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -14,6 +14,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/preemptirq.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/preemptirq.h>
#ifdef CONFIG_TRACE_IRQFLAGS
/* Per-cpu variable to prevent redundant calls when IRQs already off */
@@ -28,8 +30,11 @@ static DEFINE_PER_CPU(int, tracing_irq_cpu);
void trace_hardirqs_on_prepare(void)
{
if (this_cpu_read(tracing_irq_cpu)) {
- if (!in_nmi())
+ if (!in_nmi()) {
trace_irq_enable(CALLER_ADDR0, CALLER_ADDR1);
+ trace_android_rvh_irqs_enable(CALLER_ADDR0,
+ CALLER_ADDR1);
+ }
tracer_hardirqs_on(CALLER_ADDR0, CALLER_ADDR1);
this_cpu_write(tracing_irq_cpu, 0);
}
@@ -40,8 +45,11 @@ NOKPROBE_SYMBOL(trace_hardirqs_on_prepare);
void trace_hardirqs_on(void)
{
if (this_cpu_read(tracing_irq_cpu)) {
- if (!in_nmi())
+ if (!in_nmi()) {
trace_irq_enable_rcuidle(CALLER_ADDR0, CALLER_ADDR1);
+ trace_android_rvh_irqs_enable(CALLER_ADDR0,
+ CALLER_ADDR1);
+ }
tracer_hardirqs_on(CALLER_ADDR0, CALLER_ADDR1);
this_cpu_write(tracing_irq_cpu, 0);
}
@@ -63,8 +71,11 @@ void trace_hardirqs_off_finish(void)
if (!this_cpu_read(tracing_irq_cpu)) {
this_cpu_write(tracing_irq_cpu, 1);
tracer_hardirqs_off(CALLER_ADDR0, CALLER_ADDR1);
- if (!in_nmi())
+ if (!in_nmi()) {
trace_irq_disable(CALLER_ADDR0, CALLER_ADDR1);
+ trace_android_rvh_irqs_disable(CALLER_ADDR0,
+ CALLER_ADDR1);
+ }
}
}
@@ -78,8 +89,11 @@ void trace_hardirqs_off(void)
if (!this_cpu_read(tracing_irq_cpu)) {
this_cpu_write(tracing_irq_cpu, 1);
tracer_hardirqs_off(CALLER_ADDR0, CALLER_ADDR1);
- if (!in_nmi())
+ if (!in_nmi()) {
trace_irq_disable_rcuidle(CALLER_ADDR0, CALLER_ADDR1);
+ trace_android_rvh_irqs_disable(CALLER_ADDR0,
+ CALLER_ADDR1);
+ }
}
}
EXPORT_SYMBOL(trace_hardirqs_off);
@@ -88,8 +102,11 @@ NOKPROBE_SYMBOL(trace_hardirqs_off);
__visible void trace_hardirqs_on_caller(unsigned long caller_addr)
{
if (this_cpu_read(tracing_irq_cpu)) {
- if (!in_nmi())
+ if (!in_nmi()) {
trace_irq_enable_rcuidle(CALLER_ADDR0, caller_addr);
+ trace_android_rvh_irqs_enable(CALLER_ADDR0,
+ caller_addr);
+ }
tracer_hardirqs_on(CALLER_ADDR0, caller_addr);
this_cpu_write(tracing_irq_cpu, 0);
}
@@ -107,8 +124,11 @@ __visible void trace_hardirqs_off_caller(unsigned long caller_addr)
if (!this_cpu_read(tracing_irq_cpu)) {
this_cpu_write(tracing_irq_cpu, 1);
tracer_hardirqs_off(CALLER_ADDR0, caller_addr);
- if (!in_nmi())
+ if (!in_nmi()) {
trace_irq_disable_rcuidle(CALLER_ADDR0, caller_addr);
+ trace_android_rvh_irqs_enable(CALLER_ADDR0,
+ caller_addr);
+ }
}
}
EXPORT_SYMBOL(trace_hardirqs_off_caller);
@@ -119,15 +139,19 @@ NOKPROBE_SYMBOL(trace_hardirqs_off_caller);
void trace_preempt_on(unsigned long a0, unsigned long a1)
{
- if (!in_nmi())
+ if (!in_nmi()) {
trace_preempt_enable_rcuidle(a0, a1);
+ trace_android_rvh_preempt_enable(a0, a1);
+ }
tracer_preempt_on(a0, a1);
}
void trace_preempt_off(unsigned long a0, unsigned long a1)
{
- if (!in_nmi())
+ if (!in_nmi()) {
trace_preempt_disable_rcuidle(a0, a1);
+ trace_android_rvh_preempt_disable(a0, a1);
+ }
tracer_preempt_off(a0, a1);
}
#endif
diff --git a/kernel/trace/trace_readwrite.c b/kernel/trace/trace_readwrite.c
new file mode 100644
index 0000000..bc2e8f8
--- /dev/null
+++ b/kernel/trace/trace_readwrite.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Register read and write tracepoints
+ *
+ * Copyright (c) 2021, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/kallsyms.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <linux/ftrace.h>
+#include <linux/log_mmiorw.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/rwmmio.h>
+
+#ifdef CONFIG_TRACE_MMIO_ACCESS
+void __log_write_mmio(u64 val, u8 width, volatile void __iomem *addr)
+{
+ trace_rwmmio_write(CALLER_ADDR0, val, width, addr);
+}
+EXPORT_SYMBOL_GPL(__log_write_mmio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_write);
+
+void __log_read_mmio(u8 width, const volatile void __iomem *addr)
+{
+ trace_rwmmio_read(CALLER_ADDR0, width, addr);
+}
+EXPORT_SYMBOL_GPL(__log_read_mmio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_read);
+
+void __log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr)
+{
+ trace_rwmmio_post_read(CALLER_ADDR0, val, width, addr);
+}
+EXPORT_SYMBOL_GPL(__log_post_read_mmio);
+EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_read);
+#endif
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 2dff7f1..6d5de5d 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -807,3 +807,82 @@ void syscall_unregfunc(void)
}
}
#endif
+
+#ifdef CONFIG_ANDROID_VENDOR_HOOKS
+
+static void *rvh_zalloc_funcs(int count)
+{
+ return kzalloc(sizeof(struct tracepoint_func) * count, GFP_KERNEL);
+}
+
+#define ANDROID_RVH_NR_PROBES_MAX 2
+static int rvh_func_add(struct tracepoint *tp, struct tracepoint_func *func)
+{
+ int i;
+
+ if (!static_key_enabled(&tp->key)) {
+ /* '+ 1' for the last NULL element */
+ tp->funcs = rvh_zalloc_funcs(ANDROID_RVH_NR_PROBES_MAX + 1);
+ if (!tp->funcs)
+ return ENOMEM;
+ }
+
+ for (i = 0; i < ANDROID_RVH_NR_PROBES_MAX; i++) {
+ if (!tp->funcs[i].func) {
+ if (!static_key_enabled(&tp->key))
+ tp->funcs[i].data = func->data;
+ WRITE_ONCE(tp->funcs[i].func, func->func);
+
+ return 0;
+ }
+ }
+
+ return -EBUSY;
+}
+
+static int android_rvh_add_func(struct tracepoint *tp, struct tracepoint_func *func)
+{
+ int ret;
+
+ if (tp->regfunc && !static_key_enabled(&tp->key)) {
+ ret = tp->regfunc();
+ if (ret < 0)
+ return ret;
+ }
+
+ ret = rvh_func_add(tp, func);
+ if (ret)
+ return ret;
+ tracepoint_update_call(tp, tp->funcs);
+ static_key_enable(&tp->key);
+
+ return 0;
+}
+
+int android_rvh_probe_register(struct tracepoint *tp, void *probe, void *data)
+{
+ struct tracepoint_func tp_func;
+ int ret;
+
+ /*
+ * Once the static key has been flipped, the array may be read
+ * concurrently. Although __traceiter_*() always checks .func first,
+ * it doesn't enforce read->read dependencies, and we can't strongly
+ * guarantee it will see the correct .data for the second element
+ * without adding smp_load_acquire() in the fast path. But this is a
+ * corner case which is unlikely to be needed by anybody in practice,
+ * so let's just forbid it and keep the fast path clean.
+ */
+ if (WARN_ON(static_key_enabled(&tp->key) && data))
+ return -EINVAL;
+
+ mutex_lock(&tracepoints_mutex);
+ tp_func.func = probe;
+ tp_func.data = data;
+ ret = android_rvh_add_func(tp, &tp_func);
+ mutex_unlock(&tracepoints_mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(android_rvh_probe_register);
+#endif
diff --git a/kernel/user.c b/kernel/user.c
index b1635d9..83adc37 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -20,6 +20,8 @@
#include <linux/user_namespace.h>
#include <linux/proc_ns.h>
+#include <trace/hooks/user.h>
+
/*
* userns count is 1 for root user, 1 for init_uts_ns,
* and 1 for... ?
@@ -139,6 +141,7 @@ static struct user_struct *uid_hash_find(kuid_t uid, struct hlist_head *hashent)
static void free_user(struct user_struct *up, unsigned long flags)
__releases(&uidhash_lock)
{
+ trace_android_vh_free_user(up);
uid_hash_remove(up);
spin_unlock_irqrestore(&uidhash_lock, flags);
kmem_cache_free(uid_cachep, up);
@@ -160,6 +163,7 @@ struct user_struct *find_user(kuid_t uid)
spin_unlock_irqrestore(&uidhash_lock, flags);
return ret;
}
+EXPORT_SYMBOL_GPL(find_user);
void free_uid(struct user_struct *up)
{
@@ -171,6 +175,7 @@ void free_uid(struct user_struct *up)
if (refcount_dec_and_lock_irqsave(&up->__count, &uidhash_lock, &flags))
free_user(up, flags);
}
+EXPORT_SYMBOL_GPL(free_uid);
struct user_struct *alloc_uid(kuid_t uid)
{
@@ -188,6 +193,7 @@ struct user_struct *alloc_uid(kuid_t uid)
new->uid = uid;
refcount_set(&new->__count, 1);
+ trace_android_vh_alloc_uid(new);
ratelimit_state_init(&new->ratelimit, HZ, 100);
ratelimit_set_flags(&new->ratelimit, RATELIMIT_MSG_ON_RELEASE);
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 01bf977..2eff799 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -27,6 +27,8 @@
#include <asm/irq_regs.h>
#include <linux/kvm_para.h>
+#include <trace/hooks/softlockup.h>
+
static DEFINE_MUTEX(watchdog_mutex);
#if defined(CONFIG_HARDLOCKUP_DETECTOR) || defined(CONFIG_HAVE_NMI_WATCHDOG)
@@ -420,6 +422,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
clear_bit_unlock(0, &soft_lockup_nmi_warn);
}
+ trace_android_vh_watchdog_timer_softlockup(duration, regs, !!softlockup_panic);
add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK);
if (softlockup_panic)
panic("softlockup: hung tasks");
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index d02073b..6291ceb 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -54,6 +54,11 @@
#include "workqueue_internal.h"
+#include <trace/hooks/wqlockup.h>
+#include <trace/hooks/workqueue.h>
+/* events/workqueue.h uses default TRACE_INCLUDE_PATH */
+#undef TRACE_INCLUDE_PATH
+
enum {
/*
* worker_pool flags
@@ -362,6 +367,9 @@ static void show_pwq(struct pool_workqueue *pwq);
#define CREATE_TRACE_POINTS
#include <trace/events/workqueue.h>
+EXPORT_TRACEPOINT_SYMBOL_GPL(workqueue_execute_start);
+EXPORT_TRACEPOINT_SYMBOL_GPL(workqueue_execute_end);
+
#define assert_rcu_or_pool_mutex() \
RCU_LOCKDEP_WARN(!rcu_read_lock_held() && \
!lockdep_is_held(&wq_pool_mutex), \
@@ -1328,6 +1336,9 @@ static void insert_work(struct pool_workqueue *pwq, struct work_struct *work,
{
struct worker_pool *pool = pwq->pool;
+ /* record the work call stack in order to print it in KASAN reports */
+ kasan_record_aux_stack(work);
+
/* we own @work, set data and link */
set_work_pwq(work, pwq, extra_flags);
list_add_tail(&work->entry, head);
@@ -1628,7 +1639,14 @@ static void __queue_delayed_work(int cpu, struct workqueue_struct *wq,
struct work_struct *work = &dwork->work;
WARN_ON_ONCE(!wq);
- WARN_ON_ONCE(timer->function != delayed_work_timer_fn);
+ /*
+ * With CFI, timer->function can point to a jump table entry in a module,
+ * which fails the comparison. Disable the warning if CFI and modules are
+ * both enabled.
+ */
+ if (!IS_ENABLED(CONFIG_CFI_CLANG) || !IS_ENABLED(CONFIG_MODULES))
+ WARN_ON_ONCE(timer->function != delayed_work_timer_fn);
+
WARN_ON_ONCE(timer_pending(timer));
WARN_ON_ONCE(!list_empty(&work->entry));
@@ -1932,6 +1950,7 @@ static struct worker *create_worker(struct worker_pool *pool)
if (IS_ERR(worker->task))
goto fail;
+ trace_android_vh_create_worker(worker, pool->attrs);
set_user_nice(worker->task, pool->attrs->nice);
kthread_bind_mask(worker->task, pool->attrs->cpumask);
@@ -5817,6 +5836,7 @@ static void wq_watchdog_timer_fn(struct timer_list *unused)
pr_cont_pool_info(pool);
pr_cont(" stuck for %us!\n",
jiffies_to_msecs(now - pool_ts) / 1000);
+ trace_android_vh_wq_lockup_pool(pool->cpu, pool_ts);
}
}
diff --git a/lib/Kconfig b/lib/Kconfig
index b46a9fd..96ee125 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -651,6 +651,15 @@
bool
select STACKTRACE
+config STACK_HASH_ORDER
+ int "stack depot hash size (12 => 4KB, 20 => 1024KB)"
+ range 12 20
+ default 20
+ depends on STACKDEPOT
+ help
+ Select the hash size as a power of 2 for the stackdepot hash table.
+ Choose a lower value to reduce the memory impact.
+
config SBITMAP
bool
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 95f9095..8fa2769 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -878,6 +878,7 @@
If in doubt, say "N".
source "lib/Kconfig.kasan"
+source "lib/Kconfig.kfence"
endmenu # "Memory Debugging"
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 542a9c1..a5ba06a 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -6,7 +6,10 @@
config HAVE_ARCH_KASAN_SW_TAGS
bool
-config HAVE_ARCH_KASAN_VMALLOC
+config HAVE_ARCH_KASAN_HW_TAGS
+ bool
+
+config HAVE_ARCH_KASAN_VMALLOC
bool
config CC_HAS_KASAN_GENERIC
@@ -15,15 +18,20 @@
config CC_HAS_KASAN_SW_TAGS
def_bool $(cc-option, -fsanitize=kernel-hwaddress)
+# This option is only required for software KASAN modes.
+# Old GCC versions don't have proper support for no_sanitize_address.
+# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89124 for details.
config CC_HAS_WORKING_NOSANITIZE_ADDRESS
def_bool !CC_IS_GCC || GCC_VERSION >= 80300
menuconfig KASAN
bool "KASAN: runtime memory debugger"
- depends on (HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC) || \
- (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS)
+ depends on (((HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC) || \
+ (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS)) && \
+ CC_HAS_WORKING_NOSANITIZE_ADDRESS) || \
+ HAVE_ARCH_KASAN_HW_TAGS
depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
- depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS
+ select STACKDEPOT
help
Enables KASAN (KernelAddressSANitizer) - runtime memory debugger,
designed to find out-of-bounds accesses and use-after-free bugs.
@@ -35,21 +43,24 @@
prompt "KASAN mode"
default KASAN_GENERIC
help
- KASAN has two modes: generic KASAN (similar to userspace ASan,
- x86_64/arm64/xtensa, enabled with CONFIG_KASAN_GENERIC) and
- software tag-based KASAN (a version based on software memory
- tagging, arm64 only, similar to userspace HWASan, enabled with
- CONFIG_KASAN_SW_TAGS).
+ KASAN has three modes:
+ 1. generic KASAN (similar to userspace ASan,
+ x86_64/arm64/xtensa, enabled with CONFIG_KASAN_GENERIC),
+ 2. software tag-based KASAN (arm64 only, based on software
+ memory tagging (similar to userspace HWASan), enabled with
+ CONFIG_KASAN_SW_TAGS), and
+ 3. hardware tag-based KASAN (arm64 only, based on hardware
+ memory tagging, enabled with CONFIG_KASAN_HW_TAGS).
- Both generic and tag-based KASAN are strictly debugging features.
+ All KASAN modes are strictly debugging features.
+
+ For better error reports enable CONFIG_STACKTRACE.
config KASAN_GENERIC
bool "Generic mode"
depends on HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC
- depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
select SLUB_DEBUG if SLUB
select CONSTRUCTORS
- select STACKDEPOT
help
Enables generic KASAN mode.
@@ -62,23 +73,22 @@
and introduces an overhead of ~x1.5 for the rest of the allocations.
The performance slowdown is ~x3.
- For better error detection enable CONFIG_STACKTRACE.
-
Currently CONFIG_KASAN_GENERIC doesn't work with CONFIG_DEBUG_SLAB
(the resulting kernel does not boot).
config KASAN_SW_TAGS
bool "Software tag-based mode"
depends on HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS
- depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
select SLUB_DEBUG if SLUB
select CONSTRUCTORS
- select STACKDEPOT
help
Enables software tag-based KASAN mode.
- This mode requires Top Byte Ignore support by the CPU and therefore
- is only supported for arm64. This mode requires Clang.
+ This mode require software memory tagging support in the form of
+ HWASan-like compiler instrumentation.
+
+ Currently this mode is only implemented for arm64 CPUs and relies on
+ Top Byte Ignore. This mode requires Clang.
This mode consumes about 1/16th of available memory at kernel start
and introduces an overhead of ~20% for the rest of the allocations.
@@ -86,15 +96,27 @@
casting and comparison, as it embeds tags into the top byte of each
pointer.
- For better error detection enable CONFIG_STACKTRACE.
-
Currently CONFIG_KASAN_SW_TAGS doesn't work with CONFIG_DEBUG_SLAB
(the resulting kernel does not boot).
+config KASAN_HW_TAGS
+ bool "Hardware tag-based mode"
+ depends on HAVE_ARCH_KASAN_HW_TAGS
+ depends on SLUB
+ help
+ Enables hardware tag-based KASAN mode.
+
+ This mode requires hardware memory tagging support, and can be used
+ by any architecture that provides it.
+
+ Currently this mode is only implemented for arm64 CPUs starting from
+ ARMv8.5 and relies on Memory Tagging Extension and Top Byte Ignore.
+
endchoice
choice
prompt "Instrumentation type"
+ depends on KASAN_GENERIC || KASAN_SW_TAGS
default KASAN_OUTLINE
config KASAN_OUTLINE
@@ -116,8 +138,10 @@
endchoice
-config KASAN_STACK_ENABLE
+config KASAN_STACK
bool "Enable stack instrumentation (unsafe)" if CC_IS_CLANG && !COMPILE_TEST
+ depends on KASAN_GENERIC || KASAN_SW_TAGS
+ default y if CC_IS_GCC
help
The LLVM stack address sanitizer has a know problem that
causes excessive stack usage in a lot of functions, see
@@ -131,11 +155,6 @@
CONFIG_COMPILE_TEST. On gcc it is assumed to always be safe
to use and enabled by default.
-config KASAN_STACK
- int
- default 1 if KASAN_STACK_ENABLE || CC_IS_GCC
- default 0
-
config KASAN_S390_4_LEVEL_PAGING
bool "KASan: use 4-level paging"
depends on S390
@@ -155,7 +174,7 @@
config KASAN_VMALLOC
bool "Back mappings in vmalloc space with real shadow memory"
- depends on HAVE_ARCH_KASAN_VMALLOC
+ depends on KASAN_GENERIC && HAVE_ARCH_KASAN_VMALLOC
help
By default, the shadow region for vmalloc space is the read-only
zero page. This means that KASAN cannot detect errors involving
@@ -176,11 +195,11 @@
kernel debugging features like KASAN.
For more information on KUnit and unit tests in general, please refer
- to the KUnit documentation in Documentation/dev-tools/kunit
+ to the KUnit documentation in Documentation/dev-tools/kunit.
-config TEST_KASAN_MODULE
+config KASAN_MODULE_TEST
tristate "KUnit-incompatible tests of KASAN bug detection capabilities"
- depends on m && KASAN
+ depends on m && KASAN && !KASAN_HW_TAGS
help
This is a part of the KASAN test suite that is incompatible with
KUnit. Currently includes tests that do bad copy_from/to_user
diff --git a/lib/Kconfig.kfence b/lib/Kconfig.kfence
new file mode 100644
index 0000000..e641add
--- /dev/null
+++ b/lib/Kconfig.kfence
@@ -0,0 +1,83 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+config HAVE_ARCH_KFENCE
+ bool
+
+menuconfig KFENCE
+ bool "KFENCE: low-overhead sampling-based memory safety error detector"
+ depends on HAVE_ARCH_KFENCE && (SLAB || SLUB)
+ select STACKTRACE
+ select IRQ_WORK
+ help
+ KFENCE is a low-overhead sampling-based detector of heap out-of-bounds
+ access, use-after-free, and invalid-free errors. KFENCE is designed
+ to have negligible cost to permit enabling it in production
+ environments.
+
+ See <file:Documentation/dev-tools/kfence.rst> for more details.
+
+ Note that, KFENCE is not a substitute for explicit testing with tools
+ such as KASAN. KFENCE can detect a subset of bugs that KASAN can
+ detect, albeit at very different performance profiles. If you can
+ afford to use KASAN, continue using KASAN, for example in test
+ environments. If your kernel targets production use, and cannot
+ enable KASAN due to its cost, consider using KFENCE.
+
+if KFENCE
+
+config KFENCE_STATIC_KEYS
+ bool "Use static keys to set up allocations"
+ default y
+ depends on JUMP_LABEL # To ensure performance, require jump labels
+ help
+ Use static keys (static branches) to set up KFENCE allocations. Using
+ static keys is normally recommended, because it avoids a dynamic
+ branch in the allocator's fast path. However, with very low sample
+ intervals, or on systems that do not support jump labels, a dynamic
+ branch may still be an acceptable performance trade-off.
+
+config KFENCE_SAMPLE_INTERVAL
+ int "Default sample interval in milliseconds"
+ default 100
+ help
+ The KFENCE sample interval determines the frequency with which heap
+ allocations will be guarded by KFENCE. May be overridden via boot
+ parameter "kfence.sample_interval".
+
+ Set this to 0 to disable KFENCE by default, in which case only
+ setting "kfence.sample_interval" to a non-zero value enables KFENCE.
+
+config KFENCE_NUM_OBJECTS
+ int "Number of guarded objects available"
+ range 1 65535
+ default 255
+ help
+ The number of guarded objects available. For each KFENCE object, 2
+ pages are required; with one containing the object and two adjacent
+ ones used as guard pages.
+
+config KFENCE_STRESS_TEST_FAULTS
+ int "Stress testing of fault handling and error reporting" if EXPERT
+ default 0
+ help
+ The inverse probability with which to randomly protect KFENCE object
+ pages, resulting in spurious use-after-frees. The main purpose of
+ this option is to stress test KFENCE with concurrent error reports
+ and allocations/frees. A value of 0 disables stress testing logic.
+
+ Only for KFENCE testing; set to 0 if you are not a KFENCE developer.
+
+config KFENCE_KUNIT_TEST
+ tristate "KFENCE integration test suite" if !KUNIT_ALL_TESTS
+ default KUNIT_ALL_TESTS
+ depends on TRACEPOINTS && KUNIT
+ help
+ Test suite for KFENCE, testing various error detection scenarios with
+ various allocation types, and checking that reports are correctly
+ output to console.
+
+ Say Y here if you want the test to be built into the kernel and run
+ during boot; say M if you want the test to build as a module; say N
+ if you are unsure.
+
+endif # KFENCE
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 58f8d03..e5372a1 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -14,6 +14,7 @@
config UBSAN_TRAP
bool "On Sanitizer warnings, abort the running kernel code"
+ depends on !COMPILE_TEST
depends on $(cc-option, -fsanitize-undefined-trap-on-error)
help
Building kernels with Sanitizer features enabled tends to grow
@@ -36,10 +37,17 @@
See https://bugs.llvm.org/show_bug.cgi?id=45831 for the status
in newer releases.
+config CC_HAS_UBSAN_BOUNDS
+ def_bool $(cc-option,-fsanitize=bounds)
+
+config CC_HAS_UBSAN_ARRAY_BOUNDS
+ def_bool $(cc-option,-fsanitize=array-bounds)
+
config UBSAN_BOUNDS
bool "Perform array index bounds checking"
default UBSAN
depends on !UBSAN_KCOV_BROKEN
+ depends on CC_HAS_UBSAN_ARRAY_BOUNDS || CC_HAS_UBSAN_BOUNDS
help
This option enables detection of directly indexed out of bounds
array accesses, where the array size is known at compile time.
@@ -47,36 +55,105 @@
to the {str,mem}*cpy() family of functions (that is addressed
by CONFIG_FORTIFY_SOURCE).
+config UBSAN_ONLY_BOUNDS
+ def_bool CC_HAS_UBSAN_BOUNDS && !CC_HAS_UBSAN_ARRAY_BOUNDS
+ depends on UBSAN_BOUNDS
+ help
+ This is a weird case: Clang's -fsanitize=bounds includes
+ -fsanitize=local-bounds, but it's trapping-only, so for
+ Clang, we must use -fsanitize=array-bounds when we want
+ traditional array bounds checking enabled. For GCC, we
+ want -fsanitize=bounds.
+
+config UBSAN_ARRAY_BOUNDS
+ def_bool CC_HAS_UBSAN_ARRAY_BOUNDS
+ depends on UBSAN_BOUNDS
+
config UBSAN_LOCAL_BOUNDS
bool "Perform array local bounds checking"
depends on UBSAN_TRAP
- depends on CC_IS_CLANG
depends on !UBSAN_KCOV_BROKEN
+ depends on $(cc-option,-fsanitize=local-bounds)
help
This option enables -fsanitize=local-bounds which traps when an
- exception/error is detected. Therefore, it should be enabled only
- if trapping is expected.
+ exception/error is detected. Therefore, it may only be enabled
+ with CONFIG_UBSAN_TRAP.
+
Enabling this option detects errors due to accesses through a
pointer that is derived from an object of a statically-known size,
where an added offset (which may not be known statically) is
out-of-bounds.
-config UBSAN_MISC
- bool "Enable all other Undefined Behavior sanity checks"
+config UBSAN_SHIFT
+ bool "Perform checking for bit-shift overflows"
default UBSAN
+ depends on $(cc-option,-fsanitize=shift)
help
- This option enables all sanity checks that don't have their
- own Kconfig options. Disable this if you only want to have
- individually selected checks.
+ This option enables -fsanitize=shift which checks for bit-shift
+ operations that overflow to the left or go switch to negative
+ for signed types.
+
+config UBSAN_DIV_ZERO
+ bool "Perform checking for integer divide-by-zero"
+ depends on $(cc-option,-fsanitize=integer-divide-by-zero)
+ help
+ This option enables -fsanitize=integer-divide-by-zero which checks
+ for integer division by zero. This is effectively redundant with the
+ kernel's existing exception handling, though it can provide greater
+ debugging information under CONFIG_UBSAN_REPORT_FULL.
+
+config UBSAN_UNREACHABLE
+ bool "Perform checking for unreachable code"
+ # objtool already handles unreachable checking and gets angry about
+ # seeing UBSan instrumentation located in unreachable places.
+ depends on !STACK_VALIDATION
+ depends on $(cc-option,-fsanitize=unreachable)
+ help
+ This option enables -fsanitize=unreachable which checks for control
+ flow reaching an expected-to-be-unreachable position.
+
+config UBSAN_OBJECT_SIZE
+ bool "Perform checking for accesses beyond the end of objects"
+ default UBSAN
+ # gcc hugely expands stack usage with -fsanitize=object-size
+ # https://lore.kernel.org/lkml/CAHk-=wjPasyJrDuwDnpHJS2TuQfExwe=px-SzLeN8GFMAQJPmQ@mail.gmail.com/
+ depends on !CC_IS_GCC
+ depends on $(cc-option,-fsanitize=object-size)
+ help
+ This option enables -fsanitize=object-size which checks for accesses
+ beyond the end of objects where the optimizer can determine both the
+ object being operated on and its size, usually seen with bad downcasts,
+ or access to struct members from NULL pointers.
+
+config UBSAN_BOOL
+ bool "Perform checking for non-boolean values used as boolean"
+ default UBSAN
+ depends on $(cc-option,-fsanitize=bool)
+ help
+ This option enables -fsanitize=bool which checks for boolean values being
+ loaded that are neither 0 nor 1.
+
+config UBSAN_ENUM
+ bool "Perform checking for out of bounds enum values"
+ default UBSAN
+ depends on $(cc-option,-fsanitize=enum)
+ help
+ This option enables -fsanitize=enum which checks for values being loaded
+ into an enum that are outside the range of given values for the given enum.
+
+config UBSAN_ALIGNMENT
+ bool "Perform checking for misaligned pointer usage"
+ default !HAVE_EFFICIENT_UNALIGNED_ACCESS
+ depends on !UBSAN_TRAP && !COMPILE_TEST
+ depends on $(cc-option,-fsanitize=alignment)
+ help
+ This option enables the check of unaligned memory accesses.
+ Enabling this option on architectures that support unaligned
+ accesses may produce a lot of false positives.
config UBSAN_SANITIZE_ALL
bool "Enable instrumentation for the entire kernel"
depends on ARCH_HAS_UBSAN_SANITIZE_ALL
-
- # We build with -Wno-maybe-uninitilzed, but we still want to
- # use -Wmaybe-uninitilized in allmodconfig builds.
- # So dependsy bellow used to disable this option in allmodconfig
- depends on !COMPILE_TEST
default y
help
This option activates instrumentation for the entire kernel.
@@ -85,15 +162,6 @@
Enabling this option will get kernel image size increased
significantly.
-config UBSAN_ALIGNMENT
- bool "Enable checks for pointers alignment"
- default !HAVE_EFFICIENT_UNALIGNED_ACCESS
- depends on !UBSAN_TRAP
- help
- This option enables the check of unaligned memory accesses.
- Enabling this option on architectures that support unaligned
- accesses may produce a lot of false positives.
-
config TEST_UBSAN
tristate "Module for testing for undefined behavior detection"
depends on m
diff --git a/lib/Makefile b/lib/Makefile
index d415fc7..5550543 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -68,7 +68,7 @@
obj-$(CONFIG_KASAN_KUNIT_TEST) += test_kasan.o
CFLAGS_test_kasan.o += -fno-builtin
CFLAGS_test_kasan.o += $(call cc-disable-warning, vla)
-obj-$(CONFIG_TEST_KASAN_MODULE) += test_kasan_module.o
+obj-$(CONFIG_KASAN_MODULE_TEST) += test_kasan_module.o
CFLAGS_test_kasan_module.o += -fno-builtin
obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index 649ed44..f8d310d 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -156,7 +156,7 @@ xbc_node_find_child(struct xbc_node *parent, const char *key)
struct xbc_node *node;
if (parent)
- node = xbc_node_get_child(parent);
+ node = xbc_node_get_subkey(parent);
else
node = xbc_root_node();
@@ -164,7 +164,7 @@ xbc_node_find_child(struct xbc_node *parent, const char *key)
if (!xbc_node_match_prefix(node, &key))
node = xbc_node_get_next(node);
else if (*key != '\0')
- node = xbc_node_get_child(node);
+ node = xbc_node_get_subkey(node);
else
break;
}
@@ -274,6 +274,8 @@ int __init xbc_node_compose_key_after(struct xbc_node *root,
struct xbc_node * __init xbc_node_find_next_leaf(struct xbc_node *root,
struct xbc_node *node)
{
+ struct xbc_node *next;
+
if (unlikely(!xbc_data))
return NULL;
@@ -282,6 +284,13 @@ struct xbc_node * __init xbc_node_find_next_leaf(struct xbc_node *root,
if (!node)
node = xbc_nodes;
} else {
+ /* Leaf node may have a subkey */
+ next = xbc_node_get_subkey(node);
+ if (next) {
+ node = next;
+ goto found;
+ }
+
if (node == root) /* @root was a leaf, no child node. */
return NULL;
@@ -296,6 +305,7 @@ struct xbc_node * __init xbc_node_find_next_leaf(struct xbc_node *root,
node = xbc_node_get_next(node);
}
+found:
while (node && !xbc_node_is_leaf(node))
node = xbc_node_get_child(node);
@@ -367,18 +377,28 @@ static inline __init struct xbc_node *xbc_last_sibling(struct xbc_node *node)
return node;
}
-static struct xbc_node * __init xbc_add_sibling(char *data, u32 flag)
+static inline __init struct xbc_node *xbc_last_child(struct xbc_node *node)
+{
+ while (node->child)
+ node = xbc_node_get_child(node);
+
+ return node;
+}
+
+static struct xbc_node * __init __xbc_add_sibling(char *data, u32 flag, bool head)
{
struct xbc_node *sib, *node = xbc_add_node(data, flag);
if (node) {
if (!last_parent) {
+ /* Ignore @head in this case */
node->parent = XBC_NODE_MAX;
sib = xbc_last_sibling(xbc_nodes);
sib->next = xbc_node_index(node);
} else {
node->parent = xbc_node_index(last_parent);
- if (!last_parent->child) {
+ if (!last_parent->child || head) {
+ node->next = last_parent->child;
last_parent->child = xbc_node_index(node);
} else {
sib = xbc_node_get_child(last_parent);
@@ -392,6 +412,16 @@ static struct xbc_node * __init xbc_add_sibling(char *data, u32 flag)
return node;
}
+static inline struct xbc_node * __init xbc_add_sibling(char *data, u32 flag)
+{
+ return __xbc_add_sibling(data, flag, false);
+}
+
+static inline struct xbc_node * __init xbc_add_head_sibling(char *data, u32 flag)
+{
+ return __xbc_add_sibling(data, flag, true);
+}
+
static inline __init struct xbc_node *xbc_add_child(char *data, u32 flag)
{
struct xbc_node *node = xbc_add_sibling(data, flag);
@@ -517,17 +547,20 @@ static int __init xbc_parse_array(char **__v)
char *next;
int c = 0;
+ if (last_parent->child)
+ last_parent = xbc_node_get_child(last_parent);
+
do {
c = __xbc_parse_value(__v, &next);
if (c < 0)
return c;
- node = xbc_add_sibling(*__v, XBC_VALUE);
+ node = xbc_add_child(*__v, XBC_VALUE);
if (!node)
return -ENOMEM;
*__v = next;
} while (c == ',');
- node->next = 0;
+ node->child = 0;
return c;
}
@@ -557,8 +590,9 @@ static int __init __xbc_add_key(char *k)
node = find_match_node(xbc_nodes, k);
else {
child = xbc_node_get_child(last_parent);
+ /* Since the value node is the first child, skip it. */
if (child && xbc_node_is_value(child))
- return xbc_parse_error("Subkey is mixed with value", k);
+ child = xbc_node_get_next(child);
node = find_match_node(child, k);
}
@@ -601,23 +635,29 @@ static int __init xbc_parse_kv(char **k, char *v, int op)
if (ret)
return ret;
- child = xbc_node_get_child(last_parent);
- if (child) {
- if (xbc_node_is_key(child))
- return xbc_parse_error("Value is mixed with subkey", v);
- else if (op == '=')
- return xbc_parse_error("Value is redefined", v);
- }
-
c = __xbc_parse_value(&v, &next);
if (c < 0)
return c;
- if (op == ':' && child) {
- xbc_init_node(child, v, XBC_VALUE);
- } else if (!xbc_add_sibling(v, XBC_VALUE))
+ child = xbc_node_get_child(last_parent);
+ if (child && xbc_node_is_value(child)) {
+ if (op == '=')
+ return xbc_parse_error("Value is redefined", v);
+ if (op == ':') {
+ unsigned short nidx = child->next;
+
+ xbc_init_node(child, v, XBC_VALUE);
+ child->next = nidx; /* keep subkeys */
+ goto array;
+ }
+ /* op must be '+' */
+ last_parent = xbc_last_child(child);
+ }
+ /* The value node should always be the first child */
+ if (!xbc_add_head_sibling(v, XBC_VALUE))
return -ENOMEM;
+array:
if (c == ',') { /* Array */
c = xbc_parse_array(&next);
if (c < 0)
diff --git a/lib/bug.c b/lib/bug.c
index 4ab398a..f6d9aac 100644
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -49,6 +49,8 @@
#include <linux/rculist.h>
#include <linux/ftrace.h>
+#include <trace/hooks/bug.h>
+
extern struct bug_entry __start___bug_table[], __stop___bug_table[];
static inline unsigned long bug_addr(const struct bug_entry *bug)
@@ -203,6 +205,8 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
pr_crit("Kernel BUG at %pB [verbose debug info unavailable]\n",
(void *)bugaddr);
+ trace_android_rvh_report_bug(file, line, bugaddr);
+
return BUG_TRAP_TYPE_BUG;
}
diff --git a/lib/crypto/aes.c b/lib/crypto/aes.c
index 827fe89..6a8b70a 100644
--- a/lib/crypto/aes.c
+++ b/lib/crypto/aes.c
@@ -7,6 +7,7 @@
#include <linux/crypto.h>
#include <linux/module.h>
#include <asm/unaligned.h>
+#include <trace/hooks/fips140.h>
/*
* Emit the sbox as volatile const to prevent the compiler from doing
@@ -189,6 +190,13 @@ int aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key,
u32 rc, i, j;
int err;
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+ err = -(MAX_ERRNO + 1);
+ trace_android_vh_aes_expandkey(ctx, in_key, key_len, &err);
+ if (err != -(MAX_ERRNO + 1))
+ return err;
+#endif
+
err = aes_check_keylen(key_len);
if (err)
return err;
@@ -261,6 +269,13 @@ void aes_encrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in)
int rounds = 6 + ctx->key_length / 4;
u32 st0[4], st1[4];
int round;
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+ int hook_inuse = 0;
+
+ trace_android_vh_aes_encrypt(ctx, out, in, &hook_inuse);
+ if (hook_inuse)
+ return;
+#endif
st0[0] = ctx->key_enc[0] ^ get_unaligned_le32(in);
st0[1] = ctx->key_enc[1] ^ get_unaligned_le32(in + 4);
@@ -312,6 +327,13 @@ void aes_decrypt(const struct crypto_aes_ctx *ctx, u8 *out, const u8 *in)
int rounds = 6 + ctx->key_length / 4;
u32 st0[4], st1[4];
int round;
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+ int hook_inuse = 0;
+
+ trace_android_vh_aes_decrypt(ctx, out, in, &hook_inuse);
+ if (hook_inuse)
+ return;
+#endif
st0[0] = ctx->key_dec[0] ^ get_unaligned_le32(in);
st0[1] = ctx->key_dec[1] ^ get_unaligned_le32(in + 4);
diff --git a/lib/crypto/blake2s-selftest.c b/lib/crypto/blake2s-selftest.c
index 79ef404..5d9ea53 100644
--- a/lib/crypto/blake2s-selftest.c
+++ b/lib/crypto/blake2s-selftest.c
@@ -3,7 +3,7 @@
* Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
-#include <crypto/blake2s.h>
+#include <crypto/internal/blake2s.h>
#include <linux/string.h>
/*
diff --git a/lib/crypto/blake2s.c b/lib/crypto/blake2s.c
index 41025a3..c64ac8b 100644
--- a/lib/crypto/blake2s.c
+++ b/lib/crypto/blake2s.c
@@ -15,57 +15,23 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/bug.h>
-#include <asm/unaligned.h>
-bool blake2s_selftest(void);
+#if IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)
+# define blake2s_compress blake2s_compress_arch
+#else
+# define blake2s_compress blake2s_compress_generic
+#endif
void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen)
{
- const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;
-
- if (unlikely(!inlen))
- return;
- if (inlen > fill) {
- memcpy(state->buf + state->buflen, in, fill);
- if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S))
- blake2s_compress_arch(state, state->buf, 1,
- BLAKE2S_BLOCK_SIZE);
- else
- blake2s_compress_generic(state, state->buf, 1,
- BLAKE2S_BLOCK_SIZE);
- state->buflen = 0;
- in += fill;
- inlen -= fill;
- }
- if (inlen > BLAKE2S_BLOCK_SIZE) {
- const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE);
- /* Hash one less (full) block than strictly possible */
- if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S))
- blake2s_compress_arch(state, in, nblocks - 1,
- BLAKE2S_BLOCK_SIZE);
- else
- blake2s_compress_generic(state, in, nblocks - 1,
- BLAKE2S_BLOCK_SIZE);
- in += BLAKE2S_BLOCK_SIZE * (nblocks - 1);
- inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1);
- }
- memcpy(state->buf + state->buflen, in, inlen);
- state->buflen += inlen;
+ __blake2s_update(state, in, inlen, blake2s_compress);
}
EXPORT_SYMBOL(blake2s_update);
void blake2s_final(struct blake2s_state *state, u8 *out)
{
WARN_ON(IS_ENABLED(DEBUG) && !out);
- blake2s_set_lastblock(state);
- memset(state->buf + state->buflen, 0,
- BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */
- if (IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S))
- blake2s_compress_arch(state, state->buf, 1, state->buflen);
- else
- blake2s_compress_generic(state, state->buf, 1, state->buflen);
- cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
- memcpy(out, state->h, state->outlen);
+ __blake2s_final(state, out, blake2s_compress);
memzero_explicit(state, sizeof(*state));
}
EXPORT_SYMBOL(blake2s_final);
diff --git a/lib/crypto/sha256.c b/lib/crypto/sha256.c
index 2321f6c..216a0d9 100644
--- a/lib/crypto/sha256.c
+++ b/lib/crypto/sha256.c
@@ -17,6 +17,7 @@
#include <linux/string.h>
#include <crypto/sha.h>
#include <asm/unaligned.h>
+#include <trace/hooks/fips140.h>
static inline u32 Ch(u32 x, u32 y, u32 z)
{
@@ -284,6 +285,14 @@ void sha256(const u8 *data, unsigned int len, u8 *out)
{
struct sha256_state sctx;
+#if defined(CONFIG_CRYPTO_FIPS140) && !defined(BUILD_FIPS140_KO)
+ int hook_inuse = 0;
+
+ trace_android_vh_sha256(data, len, out, &hook_inuse);
+ if (hook_inuse)
+ return;
+#endif
+
sha256_init(&sctx);
sha256_update(&sctx, data, len);
sha256_final(&sctx, out);
diff --git a/lib/debug_locks.c b/lib/debug_locks.c
index a75ee30..5ba4b8b 100644
--- a/lib/debug_locks.c
+++ b/lib/debug_locks.c
@@ -38,12 +38,8 @@ EXPORT_SYMBOL_GPL(debug_locks_silent);
*/
int debug_locks_off(void)
{
- if (debug_locks && __debug_locks_off()) {
- if (!debug_locks_silent) {
- console_verbose();
- return 1;
- }
- }
+ if (debug_locks && __debug_locks_off() && !debug_locks_silent)
+ return 1;
return 0;
}
EXPORT_SYMBOL_GPL(debug_locks_off);
diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index a00ee6e..b9acd9c 100644
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -71,10 +71,10 @@ void show_regs_print_info(const char *log_lvl)
dump_stack_print_info(log_lvl);
}
-static void __dump_stack(void)
+static void __dump_stack(const char *log_lvl)
{
- dump_stack_print_info(KERN_DEFAULT);
- show_stack(NULL, NULL, KERN_DEFAULT);
+ dump_stack_print_info(log_lvl);
+ show_stack(NULL, NULL, log_lvl);
}
/**
@@ -85,7 +85,7 @@ static void __dump_stack(void)
#ifdef CONFIG_SMP
static atomic_t dump_lock = ATOMIC_INIT(-1);
-asmlinkage __visible void dump_stack(void)
+asmlinkage __visible void dump_stack_lvl(const char *log_lvl)
{
unsigned long flags;
int was_locked;
@@ -115,7 +115,7 @@ asmlinkage __visible void dump_stack(void)
goto retry;
}
- __dump_stack();
+ __dump_stack(log_lvl);
if (!was_locked)
atomic_set(&dump_lock, -1);
@@ -123,9 +123,15 @@ asmlinkage __visible void dump_stack(void)
local_irq_restore(flags);
}
#else
-asmlinkage __visible void dump_stack(void)
+asmlinkage __visible void dump_stack_lvl(const char *log_lvl)
{
- __dump_stack();
+ __dump_stack(log_lvl);
}
#endif
+EXPORT_SYMBOL(dump_stack_lvl);
+
+asmlinkage __visible void dump_stack(void)
+{
+ dump_stack_lvl(KERN_DEFAULT);
+}
EXPORT_SYMBOL(dump_stack);
diff --git a/lib/list_sort.c b/lib/list_sort.c
index a926d96..b14accf 100644
--- a/lib/list_sort.c
+++ b/lib/list_sort.c
@@ -7,13 +7,16 @@
#include <linux/list_sort.h>
#include <linux/list.h>
+typedef int __attribute__((nonnull(2,3))) (*cmp_func)(void *,
+ struct list_head *, struct list_head *);
+
/*
* Returns a list organized in an intermediate format suited
* to chaining of merge() calls: null-terminated, no reserved or
* sentinel head node, "prev" links not maintained.
*/
__attribute__((nonnull(2,3,4)))
-static struct list_head *merge(void *priv, list_cmp_func_t cmp,
+static struct list_head *merge(void *priv, cmp_func cmp,
struct list_head *a, struct list_head *b)
{
struct list_head *head, **tail = &head;
@@ -49,7 +52,7 @@ static struct list_head *merge(void *priv, list_cmp_func_t cmp,
* throughout.
*/
__attribute__((nonnull(2,3,4,5)))
-static void merge_final(void *priv, list_cmp_func_t cmp, struct list_head *head,
+static void merge_final(void *priv, cmp_func cmp, struct list_head *head,
struct list_head *a, struct list_head *b)
{
struct list_head *tail = head;
@@ -182,7 +185,9 @@ static void merge_final(void *priv, list_cmp_func_t cmp, struct list_head *head,
* 2^(k+1) - 1 (second merge of case 5 when x == 2^(k-1) - 1).
*/
__attribute__((nonnull(2,3)))
-void list_sort(void *priv, struct list_head *head, list_cmp_func_t cmp)
+void list_sort(void *priv, struct list_head *head,
+ int (*cmp)(void *priv, struct list_head *a,
+ struct list_head *b))
{
struct list_head *list = head->next, *pending = NULL;
size_t count = 0; /* Count of pending */
diff --git a/lib/once.c b/lib/once.c
index 59149bf..8b7d623 100644
--- a/lib/once.c
+++ b/lib/once.c
@@ -3,12 +3,10 @@
#include <linux/spinlock.h>
#include <linux/once.h>
#include <linux/random.h>
-#include <linux/module.h>
struct once_work {
struct work_struct work;
struct static_key_true *key;
- struct module *module;
};
static void once_deferred(struct work_struct *w)
@@ -18,11 +16,10 @@ static void once_deferred(struct work_struct *w)
work = container_of(w, struct once_work, work);
BUG_ON(!static_key_enabled(work->key));
static_branch_disable(work->key);
- module_put(work->module);
kfree(work);
}
-static void once_disable_jump(struct static_key_true *key, struct module *mod)
+static void once_disable_jump(struct static_key_true *key)
{
struct once_work *w;
@@ -32,8 +29,6 @@ static void once_disable_jump(struct static_key_true *key, struct module *mod)
INIT_WORK(&w->work, once_deferred);
w->key = key;
- w->module = mod;
- __module_get(mod);
schedule_work(&w->work);
}
@@ -58,11 +53,11 @@ bool __do_once_start(bool *done, unsigned long *flags)
EXPORT_SYMBOL(__do_once_start);
void __do_once_done(bool *done, struct static_key_true *once_key,
- unsigned long *flags, struct module *mod)
+ unsigned long *flags)
__releases(once_lock)
{
*done = true;
spin_unlock_irqrestore(&once_lock, *flags);
- once_disable_jump(once_key, mod);
+ once_disable_jump(once_key);
}
EXPORT_SYMBOL(__do_once_done);
diff --git a/lib/plist.c b/lib/plist.c
index 0d86ed7..4b2334f 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -102,6 +102,7 @@ void plist_add(struct plist_node *node, struct plist_head *head)
plist_check_head(head);
}
+EXPORT_SYMBOL_GPL(plist_add);
/**
* plist_del - Remove a @node from plist.
@@ -131,6 +132,7 @@ void plist_del(struct plist_node *node, struct plist_head *head)
plist_check_head(head);
}
+EXPORT_SYMBOL_GPL(plist_del);
/**
* plist_requeue - Requeue @node at end of same-prio entries.
@@ -171,6 +173,7 @@ void plist_requeue(struct plist_node *node, struct plist_head *head)
plist_check_head(head);
}
+EXPORT_SYMBOL_GPL(plist_requeue);
#ifdef CONFIG_DEBUG_PLIST
#include <linux/sched.h>
diff --git a/lib/show_mem.c b/lib/show_mem.c
index 1c26c14..3d8d609 100644
--- a/lib/show_mem.c
+++ b/lib/show_mem.c
@@ -7,7 +7,7 @@
#include <linux/mm.h>
#include <linux/cma.h>
-
+#include <trace/hooks/mm.h>
void show_mem(unsigned int filter, nodemask_t *nodemask)
{
pg_data_t *pgdat;
@@ -41,4 +41,6 @@ void show_mem(unsigned int filter, nodemask_t *nodemask)
#ifdef CONFIG_MEMORY_FAILURE
printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
#endif
+ trace_android_vh_show_mem(filter, nodemask);
}
+EXPORT_SYMBOL_GPL(show_mem);
diff --git a/lib/stackdepot.c b/lib/stackdepot.c
index 25bbac4..df9179f 100644
--- a/lib/stackdepot.c
+++ b/lib/stackdepot.c
@@ -31,6 +31,7 @@
#include <linux/stackdepot.h>
#include <linux/string.h>
#include <linux/types.h>
+#include <linux/memblock.h>
#define DEPOT_STACK_BITS (sizeof(depot_stack_handle_t) * 8)
@@ -62,7 +63,7 @@ struct stack_record {
u32 hash; /* Hash in the hastable */
u32 size; /* Number of frames in the stack */
union handle_parts handle;
- unsigned long entries[1]; /* Variable-sized array of entries. */
+ unsigned long entries[]; /* Variable-sized array of entries. */
};
static void *stack_slabs[STACK_ALLOC_MAX_SLABS];
@@ -104,9 +105,8 @@ static bool init_stack_slab(void **prealloc)
static struct stack_record *depot_alloc_stack(unsigned long *entries, int size,
u32 hash, void **prealloc, gfp_t alloc_flags)
{
- int required_size = offsetof(struct stack_record, entries) +
- sizeof(unsigned long) * size;
struct stack_record *stack;
+ size_t required_size = struct_size(stack, entries, size);
required_size = ALIGN(required_size, 1 << STACK_ALLOC_ALIGN);
@@ -136,27 +136,51 @@ static struct stack_record *depot_alloc_stack(unsigned long *entries, int size,
stack->handle.slabindex = depot_index;
stack->handle.offset = depot_offset >> STACK_ALLOC_ALIGN;
stack->handle.valid = 1;
- memcpy(stack->entries, entries, size * sizeof(unsigned long));
+ memcpy(stack->entries, entries, flex_array_size(stack, entries, size));
depot_offset += required_size;
return stack;
}
-#define STACK_HASH_ORDER 20
-#define STACK_HASH_SIZE (1L << STACK_HASH_ORDER)
+#define STACK_HASH_SIZE (1L << CONFIG_STACK_HASH_ORDER)
#define STACK_HASH_MASK (STACK_HASH_SIZE - 1)
#define STACK_HASH_SEED 0x9747b28c
-static struct stack_record *stack_table[STACK_HASH_SIZE] = {
- [0 ... STACK_HASH_SIZE - 1] = NULL
-};
+static bool stack_depot_disable;
+static struct stack_record **stack_table;
+
+static int __init is_stack_depot_disabled(char *str)
+{
+ int ret;
+
+ ret = kstrtobool(str, &stack_depot_disable);
+ if (!ret && stack_depot_disable) {
+ pr_info("Stack Depot is disabled\n");
+ stack_table = NULL;
+ }
+ return 0;
+}
+early_param("stack_depot_disable", is_stack_depot_disabled);
+
+int __init stack_depot_init(void)
+{
+ if (!stack_depot_disable) {
+ size_t size = (STACK_HASH_SIZE * sizeof(struct stack_record *));
+ int i;
+
+ stack_table = memblock_alloc(size, size);
+ for (i = 0; i < STACK_HASH_SIZE; i++)
+ stack_table[i] = NULL;
+ }
+ return 0;
+}
/* Calculate hash for a stack */
static inline u32 hash_stack(unsigned long *entries, unsigned int size)
{
return jhash2((u32 *)entries,
- size * sizeof(unsigned long) / sizeof(u32),
- STACK_HASH_SEED);
+ array_size(size, sizeof(*entries)) / sizeof(u32),
+ STACK_HASH_SEED);
}
/* Use our own, non-instrumented version of memcmp().
@@ -243,7 +267,7 @@ depot_stack_handle_t stack_depot_save(unsigned long *entries,
unsigned long flags;
u32 hash;
- if (unlikely(nr_entries == 0))
+ if (unlikely(nr_entries == 0) || stack_depot_disable)
goto fast_exit;
hash = hash_stack(entries, nr_entries);
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 4425a1d..0ea0e82 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -16,8 +16,7 @@
#include "../tools/testing/selftests/kselftest_module.h"
-static unsigned total_tests __initdata;
-static unsigned failed_tests __initdata;
+KSTM_MODULE_GLOBALS();
static char pbl_buffer[PAGE_SIZE] __initdata;
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index 28c7c12..87170a6 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -13,6 +13,7 @@
#include <linux/mman.h>
#include <linux/module.h>
#include <linux/printk.h>
+#include <linux/random.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/uaccess.h>
@@ -25,13 +26,12 @@
#include "../mm/kasan/kasan.h"
-#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_SHADOW_SCALE_SIZE)
+#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_GRANULE_SIZE)
/*
- * We assign some test results to these globals to make sure the tests
- * are not eliminated as dead code.
+ * Some tests use these global variables to store return values from function
+ * calls that could otherwise be eliminated by the compiler as dead code.
*/
-
void *kasan_ptr_result;
int kasan_int_result;
@@ -39,40 +39,86 @@ static struct kunit_resource resource;
static struct kunit_kasan_expectation fail_data;
static bool multishot;
+/*
+ * Temporarily enable multi-shot mode. Otherwise, KASAN would only report the
+ * first detected bug and panic the kernel if panic_on_warn is enabled. For
+ * hardware tag-based KASAN also allow tag checking to be reenabled for each
+ * test, see the comment for KUNIT_EXPECT_KASAN_FAIL().
+ */
static int kasan_test_init(struct kunit *test)
{
- /*
- * Temporarily enable multi-shot mode and set panic_on_warn=0.
- * Otherwise, we'd only get a report for the first case.
- */
- multishot = kasan_save_enable_multi_shot();
+ if (!kasan_enabled()) {
+ kunit_err(test, "can't run KASAN tests with KASAN disabled");
+ return -1;
+ }
+ multishot = kasan_save_enable_multi_shot();
+ kasan_set_tagging_report_once(false);
return 0;
}
static void kasan_test_exit(struct kunit *test)
{
+ kasan_set_tagging_report_once(true);
kasan_restore_multi_shot(multishot);
}
/**
- * KUNIT_EXPECT_KASAN_FAIL() - Causes a test failure when the expression does
- * not cause a KASAN error. This uses a KUnit resource named "kasan_data." Do
- * Do not use this name for a KUnit resource outside here.
+ * KUNIT_EXPECT_KASAN_FAIL() - check that the executed expression produces a
+ * KASAN report; causes a test failure otherwise. This relies on a KUnit
+ * resource named "kasan_data". Do not use this name for KUnit resources
+ * outside of KASAN tests.
*
+ * For hardware tag-based KASAN in sync mode, when a tag fault happens, tag
+ * checking is auto-disabled. When this happens, this test handler reenables
+ * tag checking. As tag checking can be only disabled or enabled per CPU,
+ * this handler disables migration (preemption).
+ *
+ * Since the compiler doesn't see that the expression can change the fail_data
+ * fields, it can reorder or optimize away the accesses to those fields.
+ * Use READ/WRITE_ONCE() for the accesses and compiler barriers around the
+ * expression to prevent that.
*/
-#define KUNIT_EXPECT_KASAN_FAIL(test, condition) do { \
- fail_data.report_expected = true; \
- fail_data.report_found = false; \
- kunit_add_named_resource(test, \
- NULL, \
- NULL, \
- &resource, \
- "kasan_data", &fail_data); \
- condition; \
- KUNIT_EXPECT_EQ(test, \
- fail_data.report_expected, \
- fail_data.report_found); \
+#define KUNIT_EXPECT_KASAN_FAIL(test, expression) do { \
+ if (IS_ENABLED(CONFIG_KASAN_HW_TAGS) && \
+ !kasan_async_mode_enabled()) \
+ migrate_disable(); \
+ WRITE_ONCE(fail_data.report_expected, true); \
+ WRITE_ONCE(fail_data.report_found, false); \
+ kunit_add_named_resource(test, \
+ NULL, \
+ NULL, \
+ &resource, \
+ "kasan_data", &fail_data); \
+ barrier(); \
+ expression; \
+ barrier(); \
+ if (kasan_async_mode_enabled()) \
+ kasan_force_async_fault(); \
+ barrier(); \
+ KUNIT_EXPECT_EQ(test, \
+ READ_ONCE(fail_data.report_expected), \
+ READ_ONCE(fail_data.report_found)); \
+ if (IS_ENABLED(CONFIG_KASAN_HW_TAGS) && \
+ !kasan_async_mode_enabled()) { \
+ if (READ_ONCE(fail_data.report_found)) \
+ kasan_enable_tagging_sync(); \
+ migrate_enable(); \
+ } \
+} while (0)
+
+#define KASAN_TEST_NEEDS_CONFIG_ON(test, config) do { \
+ if (!IS_ENABLED(config)) { \
+ kunit_info((test), "skipping, " #config " required"); \
+ return; \
+ } \
+} while (0)
+
+#define KASAN_TEST_NEEDS_CONFIG_OFF(test, config) do { \
+ if (IS_ENABLED(config)) { \
+ kunit_info((test), "skipping, " #config " enabled"); \
+ return; \
+ } \
} while (0)
static void kmalloc_oob_right(struct kunit *test)
@@ -111,23 +157,24 @@ static void kmalloc_node_oob_right(struct kunit *test)
kfree(ptr);
}
+/*
+ * These kmalloc_pagealloc_* tests try allocating a memory chunk that doesn't
+ * fit into a slab cache and therefore is allocated via the page allocator
+ * fallback. Since this kind of fallback is only implemented for SLUB, these
+ * tests are limited to that allocator.
+ */
static void kmalloc_pagealloc_oob_right(struct kunit *test)
{
char *ptr;
size_t size = KMALLOC_MAX_CACHE_SIZE + 10;
- if (!IS_ENABLED(CONFIG_SLUB)) {
- kunit_info(test, "CONFIG_SLUB is not enabled.");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
- /* Allocate a chunk that does not fit into a SLUB cache to trigger
- * the page allocator fallback.
- */
ptr = kmalloc(size, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
KUNIT_EXPECT_KASAN_FAIL(test, ptr[size + OOB_TAG_OFF] = 0);
+
kfree(ptr);
}
@@ -136,15 +183,12 @@ static void kmalloc_pagealloc_uaf(struct kunit *test)
char *ptr;
size_t size = KMALLOC_MAX_CACHE_SIZE + 10;
- if (!IS_ENABLED(CONFIG_SLUB)) {
- kunit_info(test, "CONFIG_SLUB is not enabled.");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
ptr = kmalloc(size, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
-
kfree(ptr);
+
KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] = 0);
}
@@ -153,10 +197,7 @@ static void kmalloc_pagealloc_invalid_free(struct kunit *test)
char *ptr;
size_t size = KMALLOC_MAX_CACHE_SIZE + 10;
- if (!IS_ENABLED(CONFIG_SLUB)) {
- kunit_info(test, "CONFIG_SLUB is not enabled.");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
ptr = kmalloc(size, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
@@ -164,11 +205,49 @@ static void kmalloc_pagealloc_invalid_free(struct kunit *test)
KUNIT_EXPECT_KASAN_FAIL(test, kfree(ptr + 1));
}
+static void pagealloc_oob_right(struct kunit *test)
+{
+ char *ptr;
+ struct page *pages;
+ size_t order = 4;
+ size_t size = (1UL << (PAGE_SHIFT + order));
+
+ /*
+ * With generic KASAN page allocations have no redzones, thus
+ * out-of-bounds detection is not guaranteed.
+ * See https://bugzilla.kernel.org/show_bug.cgi?id=210503.
+ */
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+ pages = alloc_pages(GFP_KERNEL, order);
+ ptr = page_address(pages);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr[size] = 0);
+ free_pages((unsigned long)ptr, order);
+}
+
+static void pagealloc_uaf(struct kunit *test)
+{
+ char *ptr;
+ struct page *pages;
+ size_t order = 4;
+
+ pages = alloc_pages(GFP_KERNEL, order);
+ ptr = page_address(pages);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+ free_pages((unsigned long)ptr, order);
+
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr[0] = 0);
+}
+
static void kmalloc_large_oob_right(struct kunit *test)
{
char *ptr;
size_t size = KMALLOC_MAX_CACHE_SIZE - 256;
- /* Allocate a chunk that is large enough, but still fits into a slab
+
+ /*
+ * Allocate a chunk that is large enough, but still fits into a slab
* and does not trigger the page allocator fallback in SLUB.
*/
ptr = kmalloc(size, GFP_KERNEL);
@@ -178,11 +257,14 @@ static void kmalloc_large_oob_right(struct kunit *test)
kfree(ptr);
}
-static void kmalloc_oob_krealloc_more(struct kunit *test)
+static void krealloc_more_oob_helper(struct kunit *test,
+ size_t size1, size_t size2)
{
char *ptr1, *ptr2;
- size_t size1 = 17;
- size_t size2 = 19;
+ size_t middle;
+
+ KUNIT_ASSERT_LT(test, size1, size2);
+ middle = size1 + (size2 - size1) / 2;
ptr1 = kmalloc(size1, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
@@ -190,15 +272,31 @@ static void kmalloc_oob_krealloc_more(struct kunit *test)
ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
- KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2 + OOB_TAG_OFF] = 'x');
+ /* All offsets up to size2 must be accessible. */
+ ptr2[size1 - 1] = 'x';
+ ptr2[size1] = 'x';
+ ptr2[middle] = 'x';
+ ptr2[size2 - 1] = 'x';
+
+ /* Generic mode is precise, so unaligned size2 must be inaccessible. */
+ if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');
+
+ /* For all modes first aligned offset after size2 must be inaccessible. */
+ KUNIT_EXPECT_KASAN_FAIL(test,
+ ptr2[round_up(size2, KASAN_GRANULE_SIZE)] = 'x');
+
kfree(ptr2);
}
-static void kmalloc_oob_krealloc_less(struct kunit *test)
+static void krealloc_less_oob_helper(struct kunit *test,
+ size_t size1, size_t size2)
{
char *ptr1, *ptr2;
- size_t size1 = 17;
- size_t size2 = 15;
+ size_t middle;
+
+ KUNIT_ASSERT_LT(test, size2, size1);
+ middle = size2 + (size1 - size2) / 2;
ptr1 = kmalloc(size1, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
@@ -206,10 +304,79 @@ static void kmalloc_oob_krealloc_less(struct kunit *test)
ptr2 = krealloc(ptr1, size2, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
- KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2 + OOB_TAG_OFF] = 'x');
+ /* Must be accessible for all modes. */
+ ptr2[size2 - 1] = 'x';
+
+ /* Generic mode is precise, so unaligned size2 must be inaccessible. */
+ if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size2] = 'x');
+
+ /* For all modes first aligned offset after size2 must be inaccessible. */
+ KUNIT_EXPECT_KASAN_FAIL(test,
+ ptr2[round_up(size2, KASAN_GRANULE_SIZE)] = 'x');
+
+ /*
+ * For all modes all size2, middle, and size1 should land in separate
+ * granules and thus the latter two offsets should be inaccessible.
+ */
+ KUNIT_EXPECT_LE(test, round_up(size2, KASAN_GRANULE_SIZE),
+ round_down(middle, KASAN_GRANULE_SIZE));
+ KUNIT_EXPECT_LE(test, round_up(middle, KASAN_GRANULE_SIZE),
+ round_down(size1, KASAN_GRANULE_SIZE));
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr2[middle] = 'x');
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size1 - 1] = 'x');
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr2[size1] = 'x');
+
kfree(ptr2);
}
+static void krealloc_more_oob(struct kunit *test)
+{
+ krealloc_more_oob_helper(test, 201, 235);
+}
+
+static void krealloc_less_oob(struct kunit *test)
+{
+ krealloc_less_oob_helper(test, 235, 201);
+}
+
+static void krealloc_pagealloc_more_oob(struct kunit *test)
+{
+ /* page_alloc fallback in only implemented for SLUB. */
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
+
+ krealloc_more_oob_helper(test, KMALLOC_MAX_CACHE_SIZE + 201,
+ KMALLOC_MAX_CACHE_SIZE + 235);
+}
+
+static void krealloc_pagealloc_less_oob(struct kunit *test)
+{
+ /* page_alloc fallback in only implemented for SLUB. */
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_SLUB);
+
+ krealloc_less_oob_helper(test, KMALLOC_MAX_CACHE_SIZE + 235,
+ KMALLOC_MAX_CACHE_SIZE + 201);
+}
+
+/*
+ * Check that krealloc() detects a use-after-free, returns NULL,
+ * and doesn't unpoison the freed object.
+ */
+static void krealloc_uaf(struct kunit *test)
+{
+ char *ptr1, *ptr2;
+ int size1 = 201;
+ int size2 = 235;
+
+ ptr1 = kmalloc(size1, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
+ kfree(ptr1);
+
+ KUNIT_EXPECT_KASAN_FAIL(test, ptr2 = krealloc(ptr1, size2, GFP_KERNEL));
+ KUNIT_ASSERT_PTR_EQ(test, (void *)ptr2, NULL);
+ KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)ptr1);
+}
+
static void kmalloc_oob_16(struct kunit *test)
{
struct {
@@ -217,10 +384,7 @@ static void kmalloc_oob_16(struct kunit *test)
} *ptr1, *ptr2;
/* This test is specifically crafted for the generic mode. */
- if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
- kunit_info(test, "CONFIG_KASAN_GENERIC required\n");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
ptr1 = kmalloc(sizeof(*ptr1) - 3, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
@@ -355,7 +519,9 @@ static void kmalloc_uaf2(struct kunit *test)
{
char *ptr1, *ptr2;
size_t size = 43;
+ int counter = 0;
+again:
ptr1 = kmalloc(size, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
@@ -364,6 +530,15 @@ static void kmalloc_uaf2(struct kunit *test)
ptr2 = kmalloc(size, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr2);
+ /*
+ * For tag-based KASAN ptr1 and ptr2 tags might happen to be the same.
+ * Allow up to 16 attempts at generating different tags.
+ */
+ if (!IS_ENABLED(CONFIG_KASAN_GENERIC) && ptr1 == ptr2 && counter++ < 16) {
+ kfree(ptr2);
+ goto again;
+ }
+
KUNIT_EXPECT_KASAN_FAIL(test, ptr1[40] = 'x');
KUNIT_EXPECT_PTR_NE(test, ptr1, ptr2);
@@ -402,10 +577,11 @@ static void kmem_cache_oob(struct kunit *test)
{
char *p;
size_t size = 200;
- struct kmem_cache *cache = kmem_cache_create("test_cache",
- size, 0,
- 0, NULL);
+ struct kmem_cache *cache;
+
+ cache = kmem_cache_create("test_cache", size, 0, 0, NULL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
+
p = kmem_cache_alloc(cache, GFP_KERNEL);
if (!p) {
kunit_err(test, "Allocation failed: %s\n", __func__);
@@ -414,11 +590,12 @@ static void kmem_cache_oob(struct kunit *test)
}
KUNIT_EXPECT_KASAN_FAIL(test, *p = p[size + OOB_TAG_OFF]);
+
kmem_cache_free(cache, p);
kmem_cache_destroy(cache);
}
-static void memcg_accounted_kmem_cache(struct kunit *test)
+static void kmem_cache_accounted(struct kunit *test)
{
int i;
char *p;
@@ -445,6 +622,31 @@ static void memcg_accounted_kmem_cache(struct kunit *test)
kmem_cache_destroy(cache);
}
+static void kmem_cache_bulk(struct kunit *test)
+{
+ struct kmem_cache *cache;
+ size_t size = 200;
+ char *p[10];
+ bool ret;
+ int i;
+
+ cache = kmem_cache_create("test_cache", size, 0, 0, NULL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, cache);
+
+ ret = kmem_cache_alloc_bulk(cache, GFP_KERNEL, ARRAY_SIZE(p), (void **)&p);
+ if (!ret) {
+ kunit_err(test, "Allocation failed: %s\n", __func__);
+ kmem_cache_destroy(cache);
+ return;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(p); i++)
+ p[i][0] = p[i][size - 1] = 42;
+
+ kmem_cache_free_bulk(cache, ARRAY_SIZE(p), (void **)&p);
+ kmem_cache_destroy(cache);
+}
+
static char global_array[10];
static void kasan_global_oob(struct kunit *test)
@@ -465,14 +667,12 @@ static void kasan_global_oob(struct kunit *test)
char *p = &array[ARRAY_SIZE(global_array) + 3];
/* Only generic mode instruments globals. */
- if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
- kunit_info(test, "CONFIG_KASAN_GENERIC required");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
}
+/* Check that ksize() makes the whole object accessible. */
static void ksize_unpoisons_memory(struct kunit *test)
{
char *ptr;
@@ -481,13 +681,34 @@ static void ksize_unpoisons_memory(struct kunit *test)
ptr = kmalloc(size, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
real_size = ksize(ptr);
- /* This access doesn't trigger an error. */
+
+ /* This access shouldn't trigger a KASAN report. */
ptr[size] = 'x';
- /* This one does. */
+
+ /* This one must. */
KUNIT_EXPECT_KASAN_FAIL(test, ptr[real_size] = 'y');
+
kfree(ptr);
}
+/*
+ * Check that a use-after-free is detected by ksize() and via normal accesses
+ * after it.
+ */
+static void ksize_uaf(struct kunit *test)
+{
+ char *ptr;
+ int size = 128 - KASAN_GRANULE_SIZE;
+
+ ptr = kmalloc(size, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+ kfree(ptr);
+
+ KUNIT_EXPECT_KASAN_FAIL(test, ksize(ptr));
+ KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = *ptr);
+ KUNIT_EXPECT_KASAN_FAIL(test, kasan_int_result = *(ptr + size));
+}
+
static void kasan_stack_oob(struct kunit *test)
{
char stack_array[10];
@@ -495,10 +716,7 @@ static void kasan_stack_oob(struct kunit *test)
char *volatile array = stack_array;
char *p = &array[ARRAY_SIZE(stack_array) + OOB_TAG_OFF];
- if (!IS_ENABLED(CONFIG_KASAN_STACK)) {
- kunit_info(test, "CONFIG_KASAN_STACK is not enabled");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);
KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
}
@@ -512,15 +730,8 @@ static void kasan_alloca_oob_left(struct kunit *test)
char *p = array - 1;
/* Only generic mode instruments dynamic allocas. */
- if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
- kunit_info(test, "CONFIG_KASAN_GENERIC required");
- return;
- }
-
- if (!IS_ENABLED(CONFIG_KASAN_STACK)) {
- kunit_info(test, "CONFIG_KASAN_STACK is not enabled");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);
KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
}
@@ -534,15 +745,8 @@ static void kasan_alloca_oob_right(struct kunit *test)
char *p = array + i;
/* Only generic mode instruments dynamic allocas. */
- if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
- kunit_info(test, "CONFIG_KASAN_GENERIC required");
- return;
- }
-
- if (!IS_ENABLED(CONFIG_KASAN_STACK)) {
- kunit_info(test, "CONFIG_KASAN_STACK is not enabled");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_STACK);
KUNIT_EXPECT_KASAN_FAIL(test, *(volatile char *)p);
}
@@ -585,7 +789,7 @@ static void kmem_cache_invalid_free(struct kunit *test)
return;
}
- /* Trigger invalid free, the object doesn't get freed */
+ /* Trigger invalid free, the object doesn't get freed. */
KUNIT_EXPECT_KASAN_FAIL(test, kmem_cache_free(cache, p + 1));
/*
@@ -602,12 +806,11 @@ static void kasan_memchr(struct kunit *test)
char *ptr;
size_t size = 24;
- /* See https://bugzilla.kernel.org/show_bug.cgi?id=206337 */
- if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT)) {
- kunit_info(test,
- "str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT");
- return;
- }
+ /*
+ * str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT.
+ * See https://bugzilla.kernel.org/show_bug.cgi?id=206337 for details.
+ */
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);
if (OOB_TAG_OFF)
size = round_up(size, OOB_TAG_OFF);
@@ -627,12 +830,11 @@ static void kasan_memcmp(struct kunit *test)
size_t size = 24;
int arr[9];
- /* See https://bugzilla.kernel.org/show_bug.cgi?id=206337 */
- if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT)) {
- kunit_info(test,
- "str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT");
- return;
- }
+ /*
+ * str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT.
+ * See https://bugzilla.kernel.org/show_bug.cgi?id=206337 for details.
+ */
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);
if (OOB_TAG_OFF)
size = round_up(size, OOB_TAG_OFF);
@@ -651,12 +853,11 @@ static void kasan_strings(struct kunit *test)
char *ptr;
size_t size = 24;
- /* See https://bugzilla.kernel.org/show_bug.cgi?id=206337 */
- if (IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT)) {
- kunit_info(test,
- "str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT");
- return;
- }
+ /*
+ * str* functions are not instrumented with CONFIG_AMD_MEM_ENCRYPT.
+ * See https://bugzilla.kernel.org/show_bug.cgi?id=206337 for details.
+ */
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_AMD_MEM_ENCRYPT);
ptr = kmalloc(size, GFP_KERNEL | __GFP_ZERO);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
@@ -717,13 +918,10 @@ static void kasan_bitops_generic(struct kunit *test)
long *bits;
/* This test is specifically crafted for the generic mode. */
- if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
- kunit_info(test, "CONFIG_KASAN_GENERIC required\n");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
/*
- * Allocate 1 more byte, which causes kzalloc to round up to 16-bytes;
+ * Allocate 1 more byte, which causes kzalloc to round up to 16 bytes;
* this way we do not actually corrupt other memory.
*/
bits = kzalloc(sizeof(*bits) + 1, GFP_KERNEL);
@@ -748,11 +946,8 @@ static void kasan_bitops_tags(struct kunit *test)
{
long *bits;
- /* This test is specifically crafted for the tag-based mode. */
- if (IS_ENABLED(CONFIG_KASAN_GENERIC)) {
- kunit_info(test, "CONFIG_KASAN_SW_TAGS required\n");
- return;
- }
+ /* This test is specifically crafted for tag-based modes. */
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
/* kmalloc-64 cache will be used and the last 16 bytes will be the redzone. */
bits = kzalloc(48, GFP_KERNEL);
@@ -781,10 +976,7 @@ static void vmalloc_oob(struct kunit *test)
{
void *area;
- if (!IS_ENABLED(CONFIG_KASAN_VMALLOC)) {
- kunit_info(test, "CONFIG_KASAN_VMALLOC is not enabled.");
- return;
- }
+ KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_VMALLOC);
/*
* We have to be careful not to hit the guard page.
@@ -797,6 +989,94 @@ static void vmalloc_oob(struct kunit *test)
vfree(area);
}
+/*
+ * Check that the assigned pointer tag falls within the [KASAN_TAG_MIN,
+ * KASAN_TAG_KERNEL) range (note: excluding the match-all tag) for tag-based
+ * modes.
+ */
+static void match_all_not_assigned(struct kunit *test)
+{
+ char *ptr;
+ struct page *pages;
+ int i, size, order;
+
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+ for (i = 0; i < 256; i++) {
+ size = (get_random_int() % 1024) + 1;
+ ptr = kmalloc(size, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+ KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);
+ KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+ kfree(ptr);
+ }
+
+ for (i = 0; i < 256; i++) {
+ order = (get_random_int() % 4) + 1;
+ pages = alloc_pages(GFP_KERNEL, order);
+ ptr = page_address(pages);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+ KUNIT_EXPECT_GE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_MIN);
+ KUNIT_EXPECT_LT(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+ free_pages((unsigned long)ptr, order);
+ }
+}
+
+/* Check that 0xff works as a match-all pointer tag for tag-based modes. */
+static void match_all_ptr_tag(struct kunit *test)
+{
+ char *ptr;
+ u8 tag;
+
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+ ptr = kmalloc(128, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+
+ /* Backup the assigned tag. */
+ tag = get_tag(ptr);
+ KUNIT_EXPECT_NE(test, tag, (u8)KASAN_TAG_KERNEL);
+
+ /* Reset the tag to 0xff.*/
+ ptr = set_tag(ptr, KASAN_TAG_KERNEL);
+
+ /* This access shouldn't trigger a KASAN report. */
+ *ptr = 0;
+
+ /* Recover the pointer tag and free. */
+ ptr = set_tag(ptr, tag);
+ kfree(ptr);
+}
+
+/* Check that there are no match-all memory tags for tag-based modes. */
+static void match_all_mem_tag(struct kunit *test)
+{
+ char *ptr;
+ int tag;
+
+ KASAN_TEST_NEEDS_CONFIG_OFF(test, CONFIG_KASAN_GENERIC);
+
+ ptr = kmalloc(128, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr);
+ KUNIT_EXPECT_NE(test, (u8)get_tag(ptr), (u8)KASAN_TAG_KERNEL);
+
+ /* For each possible tag value not matching the pointer tag. */
+ for (tag = KASAN_TAG_MIN; tag <= KASAN_TAG_KERNEL; tag++) {
+ if (tag == get_tag(ptr))
+ continue;
+
+ /* Mark the first memory granule with the chosen memory tag. */
+ kasan_poison(ptr, KASAN_GRANULE_SIZE, (u8)tag, false);
+
+ /* This access must cause a KASAN report. */
+ KUNIT_EXPECT_KASAN_FAIL(test, *ptr = 0);
+ }
+
+ /* Recover the memory tag and free. */
+ kasan_poison(ptr, KASAN_GRANULE_SIZE, get_tag(ptr), false);
+ kfree(ptr);
+}
+
static struct kunit_case kasan_kunit_test_cases[] = {
KUNIT_CASE(kmalloc_oob_right),
KUNIT_CASE(kmalloc_oob_left),
@@ -804,9 +1084,14 @@ static struct kunit_case kasan_kunit_test_cases[] = {
KUNIT_CASE(kmalloc_pagealloc_oob_right),
KUNIT_CASE(kmalloc_pagealloc_uaf),
KUNIT_CASE(kmalloc_pagealloc_invalid_free),
+ KUNIT_CASE(pagealloc_oob_right),
+ KUNIT_CASE(pagealloc_uaf),
KUNIT_CASE(kmalloc_large_oob_right),
- KUNIT_CASE(kmalloc_oob_krealloc_more),
- KUNIT_CASE(kmalloc_oob_krealloc_less),
+ KUNIT_CASE(krealloc_more_oob),
+ KUNIT_CASE(krealloc_less_oob),
+ KUNIT_CASE(krealloc_pagealloc_more_oob),
+ KUNIT_CASE(krealloc_pagealloc_less_oob),
+ KUNIT_CASE(krealloc_uaf),
KUNIT_CASE(kmalloc_oob_16),
KUNIT_CASE(kmalloc_uaf_16),
KUNIT_CASE(kmalloc_oob_in_memset),
@@ -821,12 +1106,14 @@ static struct kunit_case kasan_kunit_test_cases[] = {
KUNIT_CASE(kfree_via_page),
KUNIT_CASE(kfree_via_phys),
KUNIT_CASE(kmem_cache_oob),
- KUNIT_CASE(memcg_accounted_kmem_cache),
+ KUNIT_CASE(kmem_cache_accounted),
+ KUNIT_CASE(kmem_cache_bulk),
KUNIT_CASE(kasan_global_oob),
KUNIT_CASE(kasan_stack_oob),
KUNIT_CASE(kasan_alloca_oob_left),
KUNIT_CASE(kasan_alloca_oob_right),
KUNIT_CASE(ksize_unpoisons_memory),
+ KUNIT_CASE(ksize_uaf),
KUNIT_CASE(kmem_cache_double_free),
KUNIT_CASE(kmem_cache_invalid_free),
KUNIT_CASE(kasan_memchr),
@@ -836,6 +1123,9 @@ static struct kunit_case kasan_kunit_test_cases[] = {
KUNIT_CASE(kasan_bitops_tags),
KUNIT_CASE(kmalloc_double_kzfree),
KUNIT_CASE(vmalloc_oob),
+ KUNIT_CASE(match_all_not_assigned),
+ KUNIT_CASE(match_all_ptr_tag),
+ KUNIT_CASE(match_all_mem_tag),
{}
};
diff --git a/lib/test_kasan_module.c b/lib/test_kasan_module.c
index 2d68db6..eee017f 100644
--- a/lib/test_kasan_module.c
+++ b/lib/test_kasan_module.c
@@ -15,7 +15,7 @@
#include "../mm/kasan/kasan.h"
-#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_SHADOW_SCALE_SIZE)
+#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_GRANULE_SIZE)
static noinline void __init copy_user_test(void)
{
@@ -91,17 +91,47 @@ static noinline void __init kasan_rcu_uaf(void)
call_rcu(&global_rcu_ptr->rcu, kasan_rcu_reclaim);
}
+static noinline void __init kasan_workqueue_work(struct work_struct *work)
+{
+ kfree(work);
+}
+
+static noinline void __init kasan_workqueue_uaf(void)
+{
+ struct workqueue_struct *workqueue;
+ struct work_struct *work;
+
+ workqueue = create_workqueue("kasan_wq_test");
+ if (!workqueue) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+ work = kmalloc(sizeof(struct work_struct), GFP_KERNEL);
+ if (!work) {
+ pr_err("Allocation failed\n");
+ return;
+ }
+
+ INIT_WORK(work, kasan_workqueue_work);
+ queue_work(workqueue, work);
+ destroy_workqueue(workqueue);
+
+ pr_info("use-after-free on workqueue\n");
+ ((volatile struct work_struct *)work)->data;
+}
static int __init test_kasan_module_init(void)
{
/*
- * Temporarily enable multi-shot mode. Otherwise, we'd only get a
- * report for the first case.
+ * Temporarily enable multi-shot mode. Otherwise, KASAN would only
+ * report the first detected bug and panic the kernel if panic_on_warn
+ * is enabled.
*/
bool multishot = kasan_save_enable_multi_shot();
copy_user_test();
kasan_rcu_uaf();
+ kasan_workqueue_uaf();
kasan_restore_multi_shot(multishot);
return -EAGAIN;
diff --git a/lib/test_list_sort.c b/lib/test_list_sort.c
index 00daaf2..1f017d3 100644
--- a/lib/test_list_sort.c
+++ b/lib/test_list_sort.c
@@ -56,8 +56,7 @@ static int __init check(struct debug_el *ela, struct debug_el *elb)
return 0;
}
-static int __init cmp(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int __init cmp(void *priv, struct list_head *a, struct list_head *b)
{
struct debug_el *ela, *elb;
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 7ac87f1..a675579 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -30,11 +30,13 @@
#define PAD_SIZE 16
#define FILL_CHAR '$'
-static unsigned total_tests __initdata;
-static unsigned failed_tests __initdata;
+KSTM_MODULE_GLOBALS();
+
static char *test_buffer __initdata;
static char *alloced_buffer __initdata;
+extern bool no_hash_pointers;
+
static int __printf(4, 0) __init
do_test(int bufsize, const char *expect, int elen,
const char *fmt, va_list ap)
@@ -301,6 +303,12 @@ plain(void)
{
int err;
+ if (no_hash_pointers) {
+ pr_warn("skipping plain 'p' tests");
+ skipped_tests += 2;
+ return;
+ }
+
err = plain_hash();
if (err) {
pr_warn("plain 'p' does not appear to be hashed\n");
diff --git a/lib/test_ubsan.c b/lib/test_ubsan.c
index 9ea10ad..7e7bbd0 100644
--- a/lib/test_ubsan.c
+++ b/lib/test_ubsan.c
@@ -5,71 +5,78 @@
typedef void(*test_ubsan_fp)(void);
-static void test_ubsan_add_overflow(void)
-{
- volatile int val = INT_MAX;
-
- val += 2;
-}
-
-static void test_ubsan_sub_overflow(void)
-{
- volatile int val = INT_MIN;
- volatile int val2 = 2;
-
- val -= val2;
-}
-
-static void test_ubsan_mul_overflow(void)
-{
- volatile int val = INT_MAX / 2;
-
- val *= 3;
-}
-
-static void test_ubsan_negate_overflow(void)
-{
- volatile int val = INT_MIN;
-
- val = -val;
-}
+#define UBSAN_TEST(config, ...) do { \
+ pr_info("%s " __VA_ARGS__ "%s(%s=%s)\n", __func__, \
+ sizeof(" " __VA_ARGS__) > 2 ? " " : "", \
+ #config, IS_ENABLED(config) ? "y" : "n"); \
+ } while (0)
static void test_ubsan_divrem_overflow(void)
{
volatile int val = 16;
volatile int val2 = 0;
+ UBSAN_TEST(CONFIG_UBSAN_DIV_ZERO);
val /= val2;
}
static void test_ubsan_shift_out_of_bounds(void)
{
- volatile int val = -1;
- int val2 = 10;
+ volatile int neg = -1, wrap = 4;
+ int val1 = 10;
+ int val2 = INT_MAX;
- val2 <<= val;
+ UBSAN_TEST(CONFIG_UBSAN_SHIFT, "negative exponent");
+ val1 <<= neg;
+
+ UBSAN_TEST(CONFIG_UBSAN_SHIFT, "left overflow");
+ val2 <<= wrap;
}
static void test_ubsan_out_of_bounds(void)
{
- volatile int i = 4, j = 5;
+ volatile int i = 4, j = 5, k = -1;
+ volatile char above[4] = { }; /* Protect surrounding memory. */
volatile int arr[4];
+ volatile char below[4] = { }; /* Protect surrounding memory. */
+ above[0] = below[0];
+
+ UBSAN_TEST(CONFIG_UBSAN_BOUNDS, "above");
arr[j] = i;
+
+ UBSAN_TEST(CONFIG_UBSAN_BOUNDS, "below");
+ arr[k] = i;
}
+enum ubsan_test_enum {
+ UBSAN_TEST_ZERO = 0,
+ UBSAN_TEST_ONE,
+ UBSAN_TEST_MAX,
+};
+
static void test_ubsan_load_invalid_value(void)
{
volatile char *dst, *src;
bool val, val2, *ptr;
- char c = 4;
+ enum ubsan_test_enum eval, eval2, *eptr;
+ unsigned char c = 0xff;
+ UBSAN_TEST(CONFIG_UBSAN_BOOL, "bool");
dst = (char *)&val;
src = &c;
*dst = *src;
ptr = &val2;
val2 = val;
+
+ UBSAN_TEST(CONFIG_UBSAN_ENUM, "enum");
+ dst = (char *)&eval;
+ src = &c;
+ *dst = *src;
+
+ eptr = &eval2;
+ eval2 = eval;
}
static void test_ubsan_null_ptr_deref(void)
@@ -77,6 +84,7 @@ static void test_ubsan_null_ptr_deref(void)
volatile int *ptr = NULL;
int val;
+ UBSAN_TEST(CONFIG_UBSAN_OBJECT_SIZE);
val = *ptr;
}
@@ -85,6 +93,7 @@ static void test_ubsan_misaligned_access(void)
volatile char arr[5] __aligned(4) = {1, 2, 3, 4, 5};
volatile int *ptr, val = 6;
+ UBSAN_TEST(CONFIG_UBSAN_ALIGNMENT);
ptr = (int *)(arr + 1);
*ptr = val;
}
@@ -95,24 +104,25 @@ static void test_ubsan_object_size_mismatch(void)
volatile int val __aligned(8) = 4;
volatile long long *ptr, val2;
+ UBSAN_TEST(CONFIG_UBSAN_OBJECT_SIZE);
ptr = (long long *)&val;
val2 = *ptr;
}
static const test_ubsan_fp test_ubsan_array[] = {
- test_ubsan_add_overflow,
- test_ubsan_sub_overflow,
- test_ubsan_mul_overflow,
- test_ubsan_negate_overflow,
- test_ubsan_divrem_overflow,
test_ubsan_shift_out_of_bounds,
test_ubsan_out_of_bounds,
test_ubsan_load_invalid_value,
- //test_ubsan_null_ptr_deref, /* exclude it because there is a crash */
test_ubsan_misaligned_access,
test_ubsan_object_size_mismatch,
};
+/* Excluded because they Oops the module. */
+static const test_ubsan_fp skip_ubsan_array[] = {
+ test_ubsan_divrem_overflow,
+ test_ubsan_null_ptr_deref,
+};
+
static int __init test_ubsan_init(void)
{
unsigned int i;
@@ -120,7 +130,6 @@ static int __init test_ubsan_init(void)
for (i = 0; i < ARRAY_SIZE(test_ubsan_array); i++)
test_ubsan_array[i]();
- (void)test_ubsan_null_ptr_deref; /* to avoid unsed-function warning */
return 0;
}
module_init(test_ubsan_init);
diff --git a/lib/ubsan.c b/lib/ubsan.c
index adf8dcf..6e36b16 100644
--- a/lib/ubsan.c
+++ b/lib/ubsan.c
@@ -163,74 +163,6 @@ static void ubsan_epilogue(void)
}
}
-static void handle_overflow(struct overflow_data *data, void *lhs,
- void *rhs, char op)
-{
-
- struct type_descriptor *type = data->type;
- char lhs_val_str[VALUE_LENGTH];
- char rhs_val_str[VALUE_LENGTH];
-
- if (suppress_report(&data->location))
- return;
-
- ubsan_prologue(&data->location, type_is_signed(type) ?
- "signed-integer-overflow" :
- "unsigned-integer-overflow");
-
- val_to_string(lhs_val_str, sizeof(lhs_val_str), type, lhs);
- val_to_string(rhs_val_str, sizeof(rhs_val_str), type, rhs);
- pr_err("%s %c %s cannot be represented in type %s\n",
- lhs_val_str,
- op,
- rhs_val_str,
- type->type_name);
-
- ubsan_epilogue();
-}
-
-void __ubsan_handle_add_overflow(void *data,
- void *lhs, void *rhs)
-{
-
- handle_overflow(data, lhs, rhs, '+');
-}
-EXPORT_SYMBOL(__ubsan_handle_add_overflow);
-
-void __ubsan_handle_sub_overflow(void *data,
- void *lhs, void *rhs)
-{
- handle_overflow(data, lhs, rhs, '-');
-}
-EXPORT_SYMBOL(__ubsan_handle_sub_overflow);
-
-void __ubsan_handle_mul_overflow(void *data,
- void *lhs, void *rhs)
-{
- handle_overflow(data, lhs, rhs, '*');
-}
-EXPORT_SYMBOL(__ubsan_handle_mul_overflow);
-
-void __ubsan_handle_negate_overflow(void *_data, void *old_val)
-{
- struct overflow_data *data = _data;
- char old_val_str[VALUE_LENGTH];
-
- if (suppress_report(&data->location))
- return;
-
- ubsan_prologue(&data->location, "negation-overflow");
-
- val_to_string(old_val_str, sizeof(old_val_str), data->type, old_val);
-
- pr_err("negation of %s cannot be represented in type %s:\n",
- old_val_str, data->type->type_name);
-
- ubsan_epilogue();
-}
-EXPORT_SYMBOL(__ubsan_handle_negate_overflow);
-
-
void __ubsan_handle_divrem_overflow(void *_data, void *lhs, void *rhs)
{
struct overflow_data *data = _data;
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 8ade1a86..ed2f709 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -2116,6 +2116,32 @@ char *fwnode_string(char *buf, char *end, struct fwnode_handle *fwnode,
return widen_string(buf, buf - buf_start, end, spec);
}
+/* Disable pointer hashing if requested */
+bool no_hash_pointers __ro_after_init;
+EXPORT_SYMBOL_GPL(no_hash_pointers);
+
+static int __init no_hash_pointers_enable(char *str)
+{
+ no_hash_pointers = true;
+
+ pr_warn("**********************************************************\n");
+ pr_warn("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **\n");
+ pr_warn("** **\n");
+ pr_warn("** This system shows unhashed kernel memory addresses **\n");
+ pr_warn("** via the console, logs, and other interfaces. This **\n");
+ pr_warn("** might reduce the security of your system. **\n");
+ pr_warn("** **\n");
+ pr_warn("** If you see this message and you are not debugging **\n");
+ pr_warn("** the kernel, report this immediately to your system **\n");
+ pr_warn("** administrator! **\n");
+ pr_warn("** **\n");
+ pr_warn("** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **\n");
+ pr_warn("**********************************************************\n");
+
+ return 0;
+}
+early_param("no_hash_pointers", no_hash_pointers_enable);
+
/*
* Show a '%p' thing. A kernel extension is that the '%p' is followed
* by an extra set of alphanumeric characters that are extended format
@@ -2323,8 +2349,14 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
}
}
- /* default is to _not_ leak addresses, hash before printing */
- return ptr_to_id(buf, end, ptr, spec);
+ /*
+ * default is to _not_ leak addresses, so hash before printing,
+ * unless no_hash_pointers is specified on the command line.
+ */
+ if (unlikely(no_hash_pointers))
+ return pointer_string(buf, end, ptr, spec);
+ else
+ return ptr_to_id(buf, end, ptr, spec);
}
/*
diff --git a/mm/Kconfig b/mm/Kconfig
index 390165f..884ba38 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -513,6 +513,13 @@
help
Turns on the DebugFS interface for CMA.
+config CMA_SYSFS
+ bool "CMA information through sysfs interface"
+ depends on CMA && SYSFS
+ help
+ This option exposes some sysfs attributes to get information
+ from CMA.
+
config CMA_AREAS
int "Maximum count of the CMA areas"
depends on CMA
@@ -821,6 +828,28 @@
information includes global and per chunk statistics, which can
be used to help understand percpu memory usage.
+config ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
+ def_bool n
+
+config SPECULATIVE_PAGE_FAULT
+ bool "Speculative page faults"
+ default y
+ depends on ARCH_SUPPORTS_SPECULATIVE_PAGE_FAULT
+ depends on MMU && SMP
+ help
+ Try to handle user space page faults without holding the mmap_sem.
+
+ This should allow better concurrency for massively threaded process
+ since the page fault handler will not wait for other threads memory
+ layout change to be done, assuming that this change is done in another
+ part of the process's memory space. This type of page fault is named
+ speculative page fault.
+
+ If the speculative page fault fails because of a concurrency is
+ detected or because underlying PMD or PTE tables are not yet
+ allocating, it is failing its processing and a classic page fault
+ is then tried.
+
config GUP_BENCHMARK
bool "Enable infrastructure for get_user_pages() and related calls benchmarking"
help
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 864f129..0c33018 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -62,9 +62,24 @@
If unsure, say N.
+config PAGE_PINNER
+ bool "Track page pinner"
+ depends on DEBUG_KERNEL && STACKTRACE_SUPPORT
+ select DEBUG_FS
+ select STACKTRACE
+ select STACKDEPOT
+ select PAGE_EXTENSION
+ help
+ This keeps track of what call chain is the pinner of a page, may
+ help to find page migration failures. Even if you include this
+ feature in your build, it is disabled by default. You should pass
+ "page_pinner=on" to boot parameter in order to enable it. Eats
+ a fair amount of memory if enabled.
+
+ If unsure, say N.
+
config PAGE_POISONING
bool "Poison pages after freeing"
- select PAGE_POISONING_NO_SANITY if HIBERNATION
help
Fill the pages with poison patterns after free_pages() and verify
the patterns before alloc_pages. The filling of the memory helps
@@ -75,31 +90,12 @@
Note that "poison" here is not the same thing as the "HWPoison"
for CONFIG_MEMORY_FAILURE. This is software poisoning only.
+ If you are only interested in sanitization of freed pages without
+ checking the poison pattern on alloc, you can boot the kernel with
+ "init_on_free=1" instead of enabling this.
+
If unsure, say N
-config PAGE_POISONING_NO_SANITY
- depends on PAGE_POISONING
- bool "Only poison, don't sanity check"
- help
- Skip the sanity checking on alloc, only fill the pages with
- poison on free. This reduces some of the overhead of the
- poisoning feature.
-
- If you are only interested in sanitization, say Y. Otherwise
- say N.
-
-config PAGE_POISONING_ZERO
- bool "Use zero for poisoning instead of debugging value"
- depends on PAGE_POISONING
- help
- Instead of using the existing poison value, fill the pages with
- zeros. This makes it harder to detect when errors are occurring
- due to sanitization but the zeroing at free means that it is
- no longer necessary to write zeros when GFP_ZERO is used on
- allocation.
-
- If unsure, say N
-
config DEBUG_PAGE_REF
bool "Enable tracepoint to track down page reference manipulation"
depends on DEBUG_KERNEL
diff --git a/mm/Makefile b/mm/Makefile
index d73aed0..8de8651 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -57,6 +57,7 @@
# Give 'page_alloc' its own module-parameter namespace
page-alloc-y := page_alloc.o
page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
+CFLAGS_page_alloc.o += -DDYNAMIC_DEBUG_MODULE
obj-y += page-alloc.o
obj-y += init-mm.o
@@ -81,6 +82,7 @@
obj-$(CONFIG_SLAB) += slab.o
obj-$(CONFIG_SLUB) += slub.o
obj-$(CONFIG_KASAN) += kasan/
+obj-$(CONFIG_KFENCE) += kfence/
obj-$(CONFIG_FAILSLAB) += failslab.o
obj-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
obj-$(CONFIG_MEMTEST) += memtest.o
@@ -97,6 +99,7 @@
obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
obj-$(CONFIG_PAGE_OWNER) += page_owner.o
+obj-$(CONFIG_PAGE_PINNER) += page_pinner.o
obj-$(CONFIG_CLEANCACHE) += cleancache.o
obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
obj-$(CONFIG_ZPOOL) += zpool.o
@@ -108,6 +111,7 @@
obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
+obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
obj-$(CONFIG_FRAME_VECTOR) += frame_vector.o
diff --git a/mm/cma.c b/mm/cma.c
index 7f415d7..a7638d7 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -24,6 +24,7 @@
#include <linux/memblock.h>
#include <linux/err.h>
#include <linux/mm.h>
+#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/sizes.h>
#include <linux/slab.h>
@@ -32,13 +33,20 @@
#include <linux/highmem.h>
#include <linux/io.h>
#include <linux/kmemleak.h>
+#include <linux/sched.h>
+#include <linux/jiffies.h>
#include <trace/events/cma.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
#include "cma.h"
+extern void lru_cache_disable(void);
+extern void lru_cache_enable(void);
+
struct cma cma_areas[MAX_CMA_AREAS];
unsigned cma_area_count;
-static DEFINE_MUTEX(cma_mutex);
phys_addr_t cma_get_base(const struct cma *cma)
{
@@ -54,6 +62,7 @@ const char *cma_get_name(const struct cma *cma)
{
return cma->name;
}
+EXPORT_SYMBOL_GPL(cma_get_name);
static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,
unsigned int align_order)
@@ -95,34 +104,29 @@ static void cma_clear_bitmap(struct cma *cma, unsigned long pfn,
static void __init cma_activate_area(struct cma *cma)
{
- unsigned long base_pfn = cma->base_pfn, pfn = base_pfn;
- unsigned i = cma->count >> pageblock_order;
+ unsigned long base_pfn = cma->base_pfn, pfn;
struct zone *zone;
cma->bitmap = bitmap_zalloc(cma_bitmap_maxno(cma), GFP_KERNEL);
if (!cma->bitmap)
goto out_error;
- WARN_ON_ONCE(!pfn_valid(pfn));
- zone = page_zone(pfn_to_page(pfn));
+ /*
+ * alloc_contig_range() requires the pfn range specified to be in the
+ * same zone. Simplify by forcing the entire CMA resv range to be in the
+ * same zone.
+ */
+ WARN_ON_ONCE(!pfn_valid(base_pfn));
+ zone = page_zone(pfn_to_page(base_pfn));
+ for (pfn = base_pfn + 1; pfn < base_pfn + cma->count; pfn++) {
+ WARN_ON_ONCE(!pfn_valid(pfn));
+ if (page_zone(pfn_to_page(pfn)) != zone)
+ goto not_in_zone;
+ }
- do {
- unsigned j;
-
- base_pfn = pfn;
- for (j = pageblock_nr_pages; j; --j, pfn++) {
- WARN_ON_ONCE(!pfn_valid(pfn));
- /*
- * alloc_contig_range requires the pfn range
- * specified to be in the same zone. Make this
- * simple by forcing the entire CMA resv range
- * to be in the same zone.
- */
- if (page_zone(pfn_to_page(pfn)) != zone)
- goto not_in_zone;
- }
- init_cma_reserved_pageblock(pfn_to_page(base_pfn));
- } while (--i);
+ for (pfn = base_pfn; pfn < base_pfn + cma->count;
+ pfn += pageblock_nr_pages)
+ init_cma_reserved_pageblock(pfn_to_page(pfn));
mutex_init(&cma->lock);
@@ -136,6 +140,10 @@ static void __init cma_activate_area(struct cma *cma)
not_in_zone:
bitmap_free(cma->bitmap);
out_error:
+ /* Expose all pages to the buddy, they are useless for CMA. */
+ for (pfn = base_pfn; pfn < base_pfn + cma->count; pfn++)
+ free_reserved_page(pfn_to_page(pfn));
+ totalcma_pages -= cma->count;
cma->count = 0;
pr_err("CMA area %s could not be activated\n", cma->name);
return;
@@ -337,6 +345,23 @@ int __init cma_declare_contiguous_nid(phys_addr_t base,
limit = highmem_start;
}
+ /*
+ * If there is enough memory, try a bottom-up allocation first.
+ * It will place the new cma area close to the start of the node
+ * and guarantee that the compaction is moving pages out of the
+ * cma area and not into it.
+ * Avoid using first 4GB to not interfere with constrained zones
+ * like DMA/DMA32.
+ */
+#ifdef CONFIG_PHYS_ADDR_T_64BIT
+ if (!memblock_bottom_up() && memblock_end >= SZ_4G + size) {
+ memblock_set_bottom_up(true);
+ addr = memblock_alloc_range_nid(size, alignment, SZ_4G,
+ limit, nid, true);
+ memblock_set_bottom_up(false);
+ }
+#endif
+
if (!addr) {
addr = memblock_alloc_range_nid(size, alignment, base,
limit, nid, true);
@@ -403,13 +428,13 @@ static inline void cma_debug_show_areas(struct cma *cma) { }
* @cma: Contiguous memory region for which the allocation is performed.
* @count: Requested number of pages.
* @align: Requested alignment of pages (in PAGE_SIZE order).
- * @no_warn: Avoid printing message about failed allocation
+ * @gfp_mask: GFP mask to use during the cma allocation.
*
* This function allocates part of contiguous memory on specific
* contiguous memory area.
*/
struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
- bool no_warn)
+ gfp_t gfp_mask)
{
unsigned long mask, offset;
unsigned long pfn = -1;
@@ -418,15 +443,23 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
size_t i;
struct page *page = NULL;
int ret = -ENOMEM;
+ int num_attempts = 0;
+ int max_retries = 5;
+ s64 ts;
+ struct cma_alloc_info cma_info = {0};
+
+ trace_android_vh_cma_alloc_start(&ts);
if (!cma || !cma->count || !cma->bitmap)
- return NULL;
+ goto out;
- pr_debug("%s(cma %p, count %zu, align %d)\n", __func__, (void *)cma,
- count, align);
+ pr_debug("%s(cma %p, count %zu, align %d gfp_mask 0x%x)\n", __func__,
+ (void *)cma, count, align, gfp_mask);
if (!count)
- return NULL;
+ goto out;
+
+ trace_cma_alloc_start(cma->name, count, align);
mask = cma_bitmap_aligned_mask(cma, align);
offset = cma_bitmap_aligned_offset(cma, align);
@@ -434,16 +467,40 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
bitmap_count = cma_bitmap_pages_to_bits(cma, count);
if (bitmap_count > bitmap_maxno)
- return NULL;
+ goto out;
+ lru_cache_disable();
for (;;) {
+ struct acr_info info = {0};
+
mutex_lock(&cma->lock);
bitmap_no = bitmap_find_next_zero_area_off(cma->bitmap,
bitmap_maxno, start, bitmap_count, mask,
offset);
if (bitmap_no >= bitmap_maxno) {
- mutex_unlock(&cma->lock);
- break;
+ if ((num_attempts < max_retries) && (ret == -EBUSY)) {
+ mutex_unlock(&cma->lock);
+
+ if (fatal_signal_pending(current) ||
+ (gfp_mask & __GFP_NORETRY))
+ break;
+
+ /*
+ * Page may be momentarily pinned by some other
+ * process which has been scheduled out, e.g.
+ * in exit path, during unmap call, or process
+ * fork and so cannot be freed there. Sleep
+ * for 100ms and retry the allocation.
+ */
+ start = 0;
+ ret = -ENOMEM;
+ schedule_timeout_killable(msecs_to_jiffies(100));
+ num_attempts++;
+ continue;
+ } else {
+ mutex_unlock(&cma->lock);
+ break;
+ }
}
bitmap_set(cma->bitmap, bitmap_no, bitmap_count);
/*
@@ -454,10 +511,18 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
mutex_unlock(&cma->lock);
pfn = cma->base_pfn + (bitmap_no << cma->order_per_bit);
- mutex_lock(&cma_mutex);
- ret = alloc_contig_range(pfn, pfn + count, MIGRATE_CMA,
- GFP_KERNEL | (no_warn ? __GFP_NOWARN : 0));
- mutex_unlock(&cma_mutex);
+ ret = alloc_contig_range(pfn, pfn + count, MIGRATE_CMA, gfp_mask, &info);
+ cma_info.nr_migrated += info.nr_migrated;
+ cma_info.nr_reclaimed += info.nr_reclaimed;
+ cma_info.nr_mapped += info.nr_mapped;
+ if (info.err) {
+ if (info.err & ACR_ERR_ISOLATE)
+ cma_info.nr_isolate_fail++;
+ if (info.err & ACR_ERR_MIGRATE)
+ cma_info.nr_migrate_fail++;
+ if (info.err & ACR_ERR_TEST)
+ cma_info.nr_test_fail++;
+ }
if (ret == 0) {
page = pfn_to_page(pfn);
break;
@@ -469,11 +534,24 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
pr_debug("%s(): memory range at %p is busy, retrying\n",
__func__, pfn_to_page(pfn));
- /* try again with a bit different memory target */
- start = bitmap_no + mask + 1;
+
+ trace_cma_alloc_busy_retry(cma->name, pfn, pfn_to_page(pfn),
+ count, align);
+
+ if (info.failed_pfn && gfp_mask & __GFP_NORETRY) {
+ /* try again from following failed page */
+ start = (pfn_max_align_up(info.failed_pfn + 1) -
+ cma->base_pfn) >> cma->order_per_bit;
+
+ } else {
+ /* try again with a bit different memory target */
+ start = bitmap_no + mask + 1;
+ }
}
- trace_cma_alloc(pfn, page, count, align);
+ lru_cache_enable();
+ trace_cma_alloc_finish(cma->name, pfn, page, count, align);
+ trace_cma_alloc_info(cma->name, page, count, align, &cma_info);
/*
* CMA can allocate multiple page blocks, which results in different
@@ -485,15 +563,27 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align,
page_kasan_tag_reset(page + i);
}
- if (ret && !no_warn) {
- pr_err("%s: alloc failed, req-size: %zu pages, ret: %d\n",
- __func__, count, ret);
+ if (ret && !(gfp_mask & __GFP_NOWARN)) {
+ pr_err("%s: %s: alloc failed, req-size: %zu pages, ret: %d\n",
+ __func__, cma->name, count, ret);
cma_debug_show_areas(cma);
}
pr_debug("%s(): returned %p\n", __func__, page);
+out:
+ trace_android_vh_cma_alloc_finish(cma, page, count, align, gfp_mask, ts);
+ if (page) {
+ count_vm_event(CMA_ALLOC_SUCCESS);
+ cma_sysfs_account_success_pages(cma, count);
+ } else {
+ count_vm_event(CMA_ALLOC_FAIL);
+ if (cma)
+ cma_sysfs_account_fail_pages(cma, count);
+ }
+
return page;
}
+EXPORT_SYMBOL_GPL(cma_alloc);
/**
* cma_release() - release allocated pages
@@ -512,7 +602,7 @@ bool cma_release(struct cma *cma, const struct page *pages, unsigned int count)
if (!cma || !pages)
return false;
- pr_debug("%s(page %p)\n", __func__, (void *)pages);
+ pr_debug("%s(page %p, count %u)\n", __func__, (void *)pages, count);
pfn = page_to_pfn(pages);
@@ -523,10 +613,11 @@ bool cma_release(struct cma *cma, const struct page *pages, unsigned int count)
free_contig_range(pfn, count);
cma_clear_bitmap(cma, pfn, count);
- trace_cma_release(pfn, pages, count);
+ trace_cma_release(cma->name, pfn, pages, count);
return true;
}
+EXPORT_SYMBOL_GPL(cma_release);
int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data)
{
@@ -541,3 +632,4 @@ int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data)
return 0;
}
+EXPORT_SYMBOL_GPL(cma_for_each_area);
diff --git a/mm/cma.h b/mm/cma.h
index 42ae082..bebb669b 100644
--- a/mm/cma.h
+++ b/mm/cma.h
@@ -3,6 +3,13 @@
#define __MM_CMA_H__
#include <linux/debugfs.h>
+#include <linux/kobject.h>
+#include <linux/android_vendor.h>
+
+struct cma_kobject {
+ struct kobject kobj;
+ struct cma *cma;
+};
struct cma {
unsigned long base_pfn;
@@ -16,6 +23,15 @@ struct cma {
struct debugfs_u32_array dfs_bitmap;
#endif
char name[CMA_MAX_NAME];
+#ifdef CONFIG_CMA_SYSFS
+ /* the number of CMA page successful allocations */
+ atomic64_t nr_pages_succeeded;
+ /* the number of CMA page allocation failures */
+ atomic64_t nr_pages_failed;
+ /* kobject requires dynamic object */
+ struct cma_kobject *cma_kobj;
+#endif
+ ANDROID_OEM_DATA_ARRAY(1, 4);
};
extern struct cma cma_areas[MAX_CMA_AREAS];
@@ -26,4 +42,13 @@ static inline unsigned long cma_bitmap_maxno(struct cma *cma)
return cma->count >> cma->order_per_bit;
}
+#ifdef CONFIG_CMA_SYSFS
+void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages);
+void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages);
+#else
+static inline void cma_sysfs_account_success_pages(struct cma *cma,
+ unsigned long nr_pages) {};
+static inline void cma_sysfs_account_fail_pages(struct cma *cma,
+ unsigned long nr_pages) {};
+#endif
#endif
diff --git a/mm/cma_debug.c b/mm/cma_debug.c
index d5bf8aa..00170c4 100644
--- a/mm/cma_debug.c
+++ b/mm/cma_debug.c
@@ -137,7 +137,7 @@ static int cma_alloc_mem(struct cma *cma, int count)
if (!mem)
return -ENOMEM;
- p = cma_alloc(cma, count, 0, false);
+ p = cma_alloc(cma, count, 0, GFP_KERNEL);
if (!p) {
kfree(mem);
return -ENOMEM;
diff --git a/mm/cma_sysfs.c b/mm/cma_sysfs.c
new file mode 100644
index 0000000..d552b2a
--- /dev/null
+++ b/mm/cma_sysfs.c
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * CMA SysFS Interface
+ *
+ * Copyright (c) 2021 Minchan Kim <minchan@kernel.org>
+ */
+
+#include <linux/cma.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#include "cma.h"
+
+static bool experimental;
+
+#define CMA_ATTR_RO(_name) \
+ static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
+
+void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages)
+{
+ atomic64_add(nr_pages, &cma->nr_pages_succeeded);
+}
+
+void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages)
+{
+ atomic64_add(nr_pages, &cma->nr_pages_failed);
+}
+
+static inline struct cma *cma_from_kobj(struct kobject *kobj)
+{
+ return container_of(kobj, struct cma_kobject, kobj)->cma;
+}
+
+static ssize_t alloc_pages_success_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ struct cma *cma = cma_from_kobj(kobj);
+
+ return sysfs_emit(buf, "%llu\n",
+ atomic64_read(&cma->nr_pages_succeeded));
+}
+CMA_ATTR_RO(alloc_pages_success);
+
+static ssize_t alloc_pages_fail_show(struct kobject *kobj,
+ struct kobj_attribute *attr, char *buf)
+{
+ struct cma *cma = cma_from_kobj(kobj);
+
+ return sysfs_emit(buf, "%llu\n", atomic64_read(&cma->nr_pages_failed));
+}
+CMA_ATTR_RO(alloc_pages_fail);
+
+static void cma_kobj_release(struct kobject *kobj)
+{
+ struct cma *cma = cma_from_kobj(kobj);
+ struct cma_kobject *cma_kobj = cma->cma_kobj;
+
+ kfree(cma_kobj);
+ cma->cma_kobj = NULL;
+}
+
+static struct attribute *cma_attrs[] = {
+ &alloc_pages_success_attr.attr,
+ &alloc_pages_fail_attr.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(cma);
+
+static struct kobj_type cma_ktype = {
+ .release = cma_kobj_release,
+ .sysfs_ops = &kobj_sysfs_ops,
+ .default_groups = cma_groups,
+};
+
+static int __init cma_sysfs_init(void)
+{
+ struct kobject *cma_kobj_root;
+ struct cma_kobject *cma_kobj;
+ struct cma *cma;
+ int i, err;
+
+ if (!experimental)
+ return 0;
+
+ cma_kobj_root = kobject_create_and_add("cma", mm_kobj);
+ if (!cma_kobj_root)
+ return -ENOMEM;
+
+ for (i = 0; i < cma_area_count; i++) {
+ cma_kobj = kzalloc(sizeof(*cma_kobj), GFP_KERNEL);
+ if (!cma_kobj) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ cma = &cma_areas[i];
+ cma->cma_kobj = cma_kobj;
+ cma_kobj->cma = cma;
+ err = kobject_init_and_add(&cma_kobj->kobj, &cma_ktype,
+ cma_kobj_root, "%s", cma->name);
+ if (err) {
+ kobject_put(&cma_kobj->kobj);
+ goto out;
+ }
+ }
+
+ return 0;
+out:
+ while (--i >= 0) {
+ cma = &cma_areas[i];
+ kobject_put(&cma->cma_kobj->kobj);
+ }
+ kobject_put(cma_kobj_root);
+
+ return err;
+}
+subsys_initcall(cma_sysfs_init);
+
+module_param(experimental, bool, 0400);
diff --git a/mm/compaction.c b/mm/compaction.c
index dba4244..822e6221 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -763,6 +763,31 @@ isolate_freepages_range(struct compact_control *cc,
return pfn;
}
+#ifdef CONFIG_COMPACTION
+unsigned long isolate_and_split_free_page(struct page *page,
+ struct list_head *list)
+{
+ unsigned long isolated;
+ unsigned int order;
+
+ if (!PageBuddy(page))
+ return 0;
+
+ order = buddy_order(page);
+ isolated = __isolate_free_page(page, order);
+ if (!isolated)
+ return 0;
+
+ set_page_private(page, order);
+ list_add(&page->lru, list);
+
+ split_map_pages(list);
+
+ return isolated;
+}
+EXPORT_SYMBOL_GPL(isolate_and_split_free_page);
+#endif
+
/* Similar to reclaim, but different enough that they don't share logic */
static bool too_many_isolated(pg_data_t *pgdat)
{
@@ -1889,20 +1914,28 @@ static bool kswapd_is_running(pg_data_t *pgdat)
/*
* A zone's fragmentation score is the external fragmentation wrt to the
- * COMPACTION_HPAGE_ORDER scaled by the zone's size. It returns a value
- * in the range [0, 100].
+ * COMPACTION_HPAGE_ORDER. It returns a value in the range [0, 100].
+ */
+static unsigned int fragmentation_score_zone(struct zone *zone)
+{
+ return extfrag_for_order(zone, COMPACTION_HPAGE_ORDER);
+}
+
+/*
+ * A weighted zone's fragmentation score is the external fragmentation
+ * wrt to the COMPACTION_HPAGE_ORDER scaled by the zone's size. It
+ * returns a value in the range [0, 100].
*
* The scaling factor ensures that proactive compaction focuses on larger
* zones like ZONE_NORMAL, rather than smaller, specialized zones like
* ZONE_DMA32. For smaller zones, the score value remains close to zero,
* and thus never exceeds the high threshold for proactive compaction.
*/
-static unsigned int fragmentation_score_zone(struct zone *zone)
+static unsigned int fragmentation_score_zone_weighted(struct zone *zone)
{
unsigned long score;
- score = zone->present_pages *
- extfrag_for_order(zone, COMPACTION_HPAGE_ORDER);
+ score = zone->present_pages * fragmentation_score_zone(zone);
return div64_ul(score, zone->zone_pgdat->node_present_pages + 1);
}
@@ -1922,7 +1955,7 @@ static unsigned int fragmentation_score_node(pg_data_t *pgdat)
struct zone *zone;
zone = &pgdat->node_zones[zoneid];
- score += fragmentation_score_zone(zone);
+ score += fragmentation_score_zone_weighted(zone);
}
return score;
@@ -2275,7 +2308,8 @@ compact_zone(struct compact_control *cc, struct capture_control *capc)
trace_mm_compaction_begin(start_pfn, cc->migrate_pfn,
cc->free_pfn, end_pfn, sync);
- migrate_prep_local();
+ /* lru_add_drain_all could be expensive with involving other CPUs */
+ lru_add_drain();
while ((ret = compact_finished(cc)) == COMPACT_CONTINUE) {
int err;
@@ -2624,6 +2658,30 @@ int sysctl_compact_memory;
*/
unsigned int __read_mostly sysctl_compaction_proactiveness = 20;
+int compaction_proactiveness_sysctl_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *length, loff_t *ppos)
+{
+ int rc, nid;
+
+ rc = proc_dointvec_minmax(table, write, buffer, length, ppos);
+ if (rc)
+ return rc;
+
+ if (write && sysctl_compaction_proactiveness) {
+ for_each_online_node(nid) {
+ pg_data_t *pgdat = NODE_DATA(nid);
+
+ if (pgdat->proactive_compact_trigger)
+ continue;
+
+ pgdat->proactive_compact_trigger = true;
+ wake_up_interruptible(&pgdat->kcompactd_wait);
+ }
+ }
+
+ return 0;
+}
+
/*
* This is the entry point for compacting all nodes via
* /proc/sys/vm/compact_memory
@@ -2668,7 +2726,8 @@ void compaction_unregister_node(struct node *node)
static inline bool kcompactd_work_requested(pg_data_t *pgdat)
{
- return pgdat->kcompactd_max_order > 0 || kthread_should_stop();
+ return pgdat->kcompactd_max_order > 0 || kthread_should_stop() ||
+ pgdat->proactive_compact_trigger;
}
static bool kcompactd_node_suitable(pg_data_t *pgdat)
@@ -2817,11 +2876,15 @@ static int kcompactd(void *p)
while (!kthread_should_stop()) {
unsigned long pflags;
+ long timeout;
+ timeout = sysctl_compaction_proactiveness ?
+ msecs_to_jiffies(HPAGE_FRAG_CHECK_INTERVAL_MSEC) :
+ MAX_SCHEDULE_TIMEOUT;
trace_mm_compaction_kcompactd_sleep(pgdat->node_id);
if (wait_event_freezable_timeout(pgdat->kcompactd_wait,
- kcompactd_work_requested(pgdat),
- msecs_to_jiffies(HPAGE_FRAG_CHECK_INTERVAL_MSEC))) {
+ kcompactd_work_requested(pgdat), timeout) &&
+ !pgdat->proactive_compact_trigger) {
psi_memstall_enter(&pflags);
kcompactd_do_work(pgdat);
@@ -2833,10 +2896,20 @@ static int kcompactd(void *p)
if (should_proactive_compact_node(pgdat)) {
unsigned int prev_score, score;
- if (proactive_defer) {
+ /*
+ * On wakeup of proactive compaction by sysctl
+ * write, ignore the accumulated defer score.
+ * Anyway, if the proactive compaction didn't
+ * make any progress for the new value, it will
+ * be further deferred by 2^COMPACT_MAX_DEFER_SHIFT
+ * times.
+ */
+ if (proactive_defer &&
+ !pgdat->proactive_compact_trigger) {
proactive_defer--;
continue;
}
+
prev_score = fragmentation_score_node(pgdat);
proactive_compact_node(pgdat);
score = fragmentation_score_node(pgdat);
@@ -2847,6 +2920,8 @@ static int kcompactd(void *p)
proactive_defer = score < prev_score ?
0 : 1 << COMPACT_MAX_DEFER_SHIFT;
}
+ if (pgdat->proactive_compact_trigger)
+ pgdat->proactive_compact_trigger = false;
}
return 0;
diff --git a/mm/debug.c b/mm/debug.c
index ccca576..aa44dea 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -13,6 +13,7 @@
#include <trace/events/mmflags.h>
#include <linux/migrate.h>
#include <linux/page_owner.h>
+#include <linux/page_pinner.h>
#include <linux/ctype.h>
#include "internal.h"
@@ -191,6 +192,7 @@ void dump_page(struct page *page, const char *reason)
{
__dump_page(page, reason);
dump_page_owner(page);
+ dump_page_pinner(page);
}
EXPORT_SYMBOL(dump_page);
diff --git a/mm/filemap.c b/mm/filemap.c
index 125b69f..632734e 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -42,11 +42,16 @@
#include <linux/psi.h>
#include <linux/ramfs.h>
#include <linux/page_idle.h>
+#include <asm/pgalloc.h>
+#include <asm/tlbflush.h>
#include "internal.h"
#define CREATE_TRACE_POINTS
#include <trace/events/filemap.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
/*
* FIXME: remove all knowledge of the buffer layer from the core VM
*/
@@ -1193,7 +1198,7 @@ static inline bool trylock_page_bit_common(struct page *page, int bit_nr,
/* How many times do we accept lock stealing from under a waiter? */
int sysctl_page_lock_unfairness = 5;
-static inline int wait_on_page_bit_common(wait_queue_head_t *q,
+static inline __sched int wait_on_page_bit_common(wait_queue_head_t *q,
struct page *page, int bit_nr, int state, enum behavior behavior)
{
int unfairness = sysctl_page_lock_unfairness;
@@ -1332,14 +1337,14 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
return wait->flags & WQ_FLAG_WOKEN ? 0 : -EINTR;
}
-void wait_on_page_bit(struct page *page, int bit_nr)
+__sched void wait_on_page_bit(struct page *page, int bit_nr)
{
wait_queue_head_t *q = page_waitqueue(page);
wait_on_page_bit_common(q, page, bit_nr, TASK_UNINTERRUPTIBLE, SHARED);
}
EXPORT_SYMBOL(wait_on_page_bit);
-int wait_on_page_bit_killable(struct page *page, int bit_nr)
+__sched int wait_on_page_bit_killable(struct page *page, int bit_nr)
{
wait_queue_head_t *q = page_waitqueue(page);
return wait_on_page_bit_common(q, page, bit_nr, TASK_KILLABLE, SHARED);
@@ -1536,7 +1541,7 @@ EXPORT_SYMBOL_GPL(page_endio);
* __lock_page - get a lock on the page, assuming we need to sleep to get it
* @__page: the page to lock
*/
-void __lock_page(struct page *__page)
+__sched void __lock_page(struct page *__page)
{
struct page *page = compound_head(__page);
wait_queue_head_t *q = page_waitqueue(page);
@@ -1545,7 +1550,7 @@ void __lock_page(struct page *__page)
}
EXPORT_SYMBOL(__lock_page);
-int __lock_page_killable(struct page *__page)
+__sched int __lock_page_killable(struct page *__page)
{
struct page *page = compound_head(__page);
wait_queue_head_t *q = page_waitqueue(page);
@@ -1554,7 +1559,7 @@ int __lock_page_killable(struct page *__page)
}
EXPORT_SYMBOL_GPL(__lock_page_killable);
-int __lock_page_async(struct page *page, struct wait_page_queue *wait)
+__sched int __lock_page_async(struct page *page, struct wait_page_queue *wait)
{
return __wait_on_page_locked_async(page, wait, true);
}
@@ -1570,7 +1575,7 @@ int __lock_page_async(struct page *page, struct wait_page_queue *wait)
* If neither ALLOW_RETRY nor KILLABLE are set, will always return 1
* with the page locked and the mmap_lock unperturbed.
*/
-int __lock_page_or_retry(struct page *page, struct mm_struct *mm,
+__sched int __lock_page_or_retry(struct page *page, struct mm_struct *mm,
unsigned int flags)
{
if (fault_flag_allow_retry_first(flags)) {
@@ -1797,6 +1802,9 @@ struct page *pagecache_get_page(struct address_space *mapping, pgoff_t index,
page = find_get_entry(mapping, index);
if (xa_is_value(page))
page = NULL;
+
+ trace_android_vh_pagecache_get_page(mapping, index, fgp_flags,
+ gfp_mask, page);
if (!page)
goto no_page;
@@ -2720,13 +2728,20 @@ vm_fault_t filemap_fault(struct vm_fault *vmf)
struct inode *inode = mapping->host;
pgoff_t offset = vmf->pgoff;
pgoff_t max_off;
- struct page *page;
+ struct page *page = NULL;
vm_fault_t ret = 0;
+ bool retry = false;
max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
if (unlikely(offset >= max_off))
return VM_FAULT_SIGBUS;
+ trace_android_vh_filemap_fault_get_page(vmf, &page, &retry);
+ if (unlikely(retry))
+ goto out_retry;
+ if (unlikely(page))
+ goto page_ok;
+
/*
* Do we have something in the page cache already?
*/
@@ -2782,6 +2797,7 @@ vm_fault_t filemap_fault(struct vm_fault *vmf)
goto out_retry;
}
+page_ok:
/*
* Found the page and have a reference on it.
* We must recheck i_size under page lock.
@@ -2827,82 +2843,198 @@ vm_fault_t filemap_fault(struct vm_fault *vmf)
* re-find the vma and come back and find our hopefully still populated
* page.
*/
- if (page)
+ if (page) {
+ trace_android_vh_filemap_fault_cache_page(vmf, page);
put_page(page);
+ }
if (fpin)
fput(fpin);
return ret | VM_FAULT_RETRY;
}
EXPORT_SYMBOL(filemap_fault);
-void filemap_map_pages(struct vm_fault *vmf,
- pgoff_t start_pgoff, pgoff_t end_pgoff)
+static bool filemap_map_pmd(struct vm_fault *vmf, struct page *page)
{
- struct file *file = vmf->vma->vm_file;
+ struct mm_struct *mm = vmf->vma->vm_mm;
+
+ /* Huge page is mapped? No need to proceed. */
+ if (pmd_trans_huge(*vmf->pmd)) {
+ unlock_page(page);
+ put_page(page);
+ return true;
+ }
+
+ if (pmd_none(*vmf->pmd) && PageTransHuge(page)) {
+ vm_fault_t ret = do_set_pmd(vmf, page);
+ if (!ret) {
+ /* The page is mapped successfully, reference consumed. */
+ unlock_page(page);
+ return true;
+ }
+ }
+
+ if (pmd_none(*vmf->pmd)) {
+ if (vmf->flags & FAULT_FLAG_SPECULATIVE) {
+ unlock_page(page);
+ put_page(page);
+ return true;
+ }
+ vmf->ptl = pmd_lock(mm, vmf->pmd);
+ if (likely(pmd_none(*vmf->pmd))) {
+ mm_inc_nr_ptes(mm);
+ pmd_populate(mm, vmf->pmd, vmf->prealloc_pte);
+ vmf->prealloc_pte = NULL;
+ }
+ spin_unlock(vmf->ptl);
+ }
+
+ /* See comment in handle_pte_fault() */
+ if (pmd_devmap_trans_unstable(vmf->pmd)) {
+ unlock_page(page);
+ put_page(page);
+ return true;
+ }
+
+ return false;
+}
+
+static struct page *next_uptodate_page(struct page *page,
+ struct address_space *mapping,
+ struct xa_state *xas, pgoff_t end_pgoff)
+{
+ unsigned long max_idx;
+
+ do {
+ if (!page)
+ return NULL;
+ if (xas_retry(xas, page))
+ continue;
+ if (xa_is_value(page))
+ continue;
+ if (PageLocked(page))
+ continue;
+ if (!page_cache_get_speculative(page))
+ continue;
+ /* Has the page moved or been split? */
+ if (unlikely(page != xas_reload(xas)))
+ goto skip;
+ if (!PageUptodate(page) || PageReadahead(page))
+ goto skip;
+ if (PageHWPoison(page))
+ goto skip;
+ if (!trylock_page(page))
+ goto skip;
+ if (page->mapping != mapping)
+ goto unlock;
+ if (!PageUptodate(page))
+ goto unlock;
+ max_idx = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE);
+ if (xas->xa_index >= max_idx)
+ goto unlock;
+ return page;
+unlock:
+ unlock_page(page);
+skip:
+ put_page(page);
+ } while ((page = xas_next_entry(xas, end_pgoff)) != NULL);
+
+ return NULL;
+}
+
+static inline struct page *first_map_page(struct address_space *mapping,
+ struct xa_state *xas,
+ pgoff_t end_pgoff)
+{
+ return next_uptodate_page(xas_find(xas, end_pgoff),
+ mapping, xas, end_pgoff);
+}
+
+static inline struct page *next_map_page(struct address_space *mapping,
+ struct xa_state *xas,
+ pgoff_t end_pgoff)
+{
+ return next_uptodate_page(xas_next_entry(xas, end_pgoff),
+ mapping, xas, end_pgoff);
+}
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+bool filemap_allow_speculation(void)
+{
+ return true;
+}
+EXPORT_SYMBOL_GPL(filemap_allow_speculation);
+#endif
+
+vm_fault_t filemap_map_pages(struct vm_fault *vmf,
+ pgoff_t start_pgoff, pgoff_t end_pgoff)
+{
+ struct vm_area_struct *vma = vmf->vma;
+ struct file *file = vma->vm_file;
struct address_space *mapping = file->f_mapping;
pgoff_t last_pgoff = start_pgoff;
- unsigned long max_idx;
+ unsigned long addr;
XA_STATE(xas, &mapping->i_pages, start_pgoff);
struct page *head, *page;
unsigned int mmap_miss = READ_ONCE(file->f_ra.mmap_miss);
+ vm_fault_t ret = 0;
rcu_read_lock();
- xas_for_each(&xas, head, end_pgoff) {
- if (xas_retry(&xas, head))
- continue;
- if (xa_is_value(head))
- goto next;
+ head = first_map_page(mapping, &xas, end_pgoff);
+ if (!head)
+ goto out;
- /*
- * Check for a locked page first, as a speculative
- * reference may adversely influence page migration.
- */
- if (PageLocked(head))
- goto next;
- if (!page_cache_get_speculative(head))
- goto next;
+ if (filemap_map_pmd(vmf, head)) {
+ if (pmd_none(*vmf->pmd) &&
+ vmf->flags & FAULT_FLAG_SPECULATIVE) {
+ ret = VM_FAULT_RETRY;
+ goto out;
+ }
- /* Has the page moved or been split? */
- if (unlikely(head != xas_reload(&xas)))
- goto skip;
+ ret = VM_FAULT_NOPAGE;
+ goto out;
+ }
+
+ addr = vma->vm_start + ((start_pgoff - vma->vm_pgoff) << PAGE_SHIFT);
+ if (!pte_map_lock_addr(vmf, addr)) {
+ unlock_page(head);
+ put_page(head);
+ ret = VM_FAULT_RETRY;
+ goto out;
+ }
+
+ do {
page = find_subpage(head, xas.xa_index);
-
- if (!PageUptodate(head) ||
- PageReadahead(page) ||
- PageHWPoison(page))
- goto skip;
- if (!trylock_page(head))
- goto skip;
-
- if (head->mapping != mapping || !PageUptodate(head))
- goto unlock;
-
- max_idx = DIV_ROUND_UP(i_size_read(mapping->host), PAGE_SIZE);
- if (xas.xa_index >= max_idx)
+ if (PageHWPoison(page))
goto unlock;
if (mmap_miss > 0)
mmap_miss--;
- vmf->address += (xas.xa_index - last_pgoff) << PAGE_SHIFT;
- if (vmf->pte)
- vmf->pte += xas.xa_index - last_pgoff;
+ addr += (xas.xa_index - last_pgoff) << PAGE_SHIFT;
+ vmf->pte += xas.xa_index - last_pgoff;
last_pgoff = xas.xa_index;
- if (alloc_set_pte(vmf, page))
+
+ if (!pte_none(*vmf->pte))
goto unlock;
+
+ /* We're about to handle the fault */
+ if (vmf->address == addr)
+ ret = VM_FAULT_NOPAGE;
+
+ do_set_pte(vmf, page, addr);
+ /* no need to invalidate: a not-present page won't be cached */
+ update_mmu_cache(vma, addr, vmf->pte);
unlock_page(head);
- goto next;
+ continue;
unlock:
unlock_page(head);
-skip:
put_page(head);
-next:
- /* Huge page is mapped? No need to proceed. */
- if (pmd_trans_huge(*vmf->pmd))
- break;
- }
+ } while ((head = next_map_page(mapping, &xas, end_pgoff)) != NULL);
+ pte_unmap_unlock(vmf->pte, vmf->ptl);
+out:
rcu_read_unlock();
WRITE_ONCE(file->f_ra.mmap_miss, mmap_miss);
+ return ret;
}
EXPORT_SYMBOL(filemap_map_pages);
@@ -2936,6 +3068,9 @@ const struct vm_operations_struct generic_file_vm_ops = {
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = filemap_page_mkwrite,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ .allow_speculation = filemap_allow_speculation,
+#endif
};
/* This is used for a general mmap of a disk file */
diff --git a/mm/gup.c b/mm/gup.c
index 6cb7d8a..b56d974 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -18,6 +18,8 @@
#include <linux/mm_inline.h>
#include <linux/sched/mm.h>
+#include <linux/page_pinner.h>
+
#include <asm/mmu_context.h>
#include <asm/tlbflush.h>
@@ -114,9 +116,12 @@ static __maybe_unused struct page *try_grab_compound_head(struct page *page,
int refs,
unsigned int flags)
{
- if (flags & FOLL_GET)
- return try_get_compound_head(page, refs);
- else if (flags & FOLL_PIN) {
+ if (flags & FOLL_GET) {
+ struct page *head = try_get_compound_head(page, refs);
+ if (head)
+ set_page_pinner(head, compound_order(head));
+ return head;
+ } else if (flags & FOLL_PIN) {
int orig_refs = refs;
/*
@@ -170,6 +175,8 @@ static void put_compound_head(struct page *page, int refs, unsigned int flags)
refs *= GUP_PIN_COUNTING_BIAS;
}
+ if (flags & FOLL_GET)
+ reset_page_pinner(page, compound_order(page));
put_page_refs(page, refs);
}
@@ -198,9 +205,15 @@ bool __must_check try_grab_page(struct page *page, unsigned int flags)
{
WARN_ON_ONCE((flags & (FOLL_GET | FOLL_PIN)) == (FOLL_GET | FOLL_PIN));
- if (flags & FOLL_GET)
- return try_get_page(page);
- else if (flags & FOLL_PIN) {
+ if (flags & FOLL_GET) {
+ bool ret = try_get_page(page);
+
+ if (ret) {
+ page = compound_head(page);
+ set_page_pinner(page, compound_order(page));
+ }
+ return ret;
+ } else if (flags & FOLL_PIN) {
int refs = 1;
page = compound_head(page);
@@ -242,6 +255,24 @@ void unpin_user_page(struct page *page)
}
EXPORT_SYMBOL(unpin_user_page);
+/*
+ * put_user_page() - release a page obtained using get_user_pages() or
+ * follow_page(FOLL_GET)
+ * @page: pointer to page to be released
+ *
+ * Pages that were obtained via get_user_pages()/follow_page(FOLL_GET) must be
+ * released via put_user_page.
+ * note: If it's not a page from GUP or follow_page(FOLL_GET), it's harmless.
+ */
+void put_user_page(struct page *page)
+{
+ struct page *head = compound_head(page);
+
+ reset_page_pinner(head, compound_order(head));
+ put_page(page);
+}
+EXPORT_SYMBOL(put_user_page);
+
/**
* unpin_user_pages_dirty_lock() - release and optionally dirty gup-pinned pages
* @pages: array of pages to be maybe marked dirty, and definitely released.
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 594368f..1eea578 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2151,7 +2151,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
entry = pte_swp_mkuffd_wp(entry);
} else {
entry = mk_pte(page + i, READ_ONCE(vma->vm_page_prot));
- entry = maybe_mkwrite(entry, vma);
+ entry = maybe_mkwrite(entry, vma->vm_flags);
if (!write)
entry = pte_wrprotect(entry);
if (!young)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index fce705f..fb14583 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -39,7 +39,6 @@
#include <linux/hugetlb.h>
#include <linux/hugetlb_cgroup.h>
#include <linux/node.h>
-#include <linux/userfaultfd_k.h>
#include <linux/page_owner.h>
#include "internal.h"
@@ -1293,7 +1292,8 @@ static struct page *alloc_gigantic_page(struct hstate *h, gfp_t gfp_mask,
if (hugetlb_cma[nid]) {
page = cma_alloc(hugetlb_cma[nid], nr_pages,
- huge_page_order(h), true);
+ huge_page_order(h),
+ GFP_KERNEL | __GFP_NOWARN);
if (page)
return page;
}
@@ -1304,7 +1304,8 @@ static struct page *alloc_gigantic_page(struct hstate *h, gfp_t gfp_mask,
continue;
page = cma_alloc(hugetlb_cma[node], nr_pages,
- huge_page_order(h), true);
+ huge_page_order(h),
+ GFP_KERNEL | __GFP_NOWARN);
if (page)
return page;
}
@@ -3824,7 +3825,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
src_pte = huge_pte_offset(src, addr, sz);
if (!src_pte)
continue;
- dst_pte = huge_pte_alloc(dst, addr, sz);
+ dst_pte = huge_pte_alloc(dst, vma, addr, sz);
if (!dst_pte) {
ret = -ENOMEM;
break;
@@ -4323,6 +4324,46 @@ int huge_add_to_page_cache(struct page *page, struct address_space *mapping,
return 0;
}
+static inline vm_fault_t hugetlb_handle_userfault(struct vm_area_struct *vma,
+ struct address_space *mapping,
+ pgoff_t idx,
+ unsigned int flags,
+ unsigned long haddr,
+ unsigned long reason)
+{
+ vm_fault_t ret;
+ u32 hash;
+ struct vm_fault vmf = {
+ .vma = vma,
+ .address = haddr,
+ .flags = flags,
+ .vma_flags = vma->vm_flags,
+ .vma_page_prot = vma->vm_page_prot,
+
+ /*
+ * Hard to debug if it ends up being
+ * used by a callee that assumes
+ * something about the other
+ * uninitialized fields... same as in
+ * memory.c
+ */
+ };
+
+ /*
+ * hugetlb_fault_mutex and i_mmap_rwsem must be
+ * dropped before handling userfault. Reacquire
+ * after handling fault to make calling code simpler.
+ */
+ hash = hugetlb_fault_mutex_hash(mapping, idx);
+ mutex_unlock(&hugetlb_fault_mutex_table[hash]);
+ i_mmap_unlock_read(mapping);
+ ret = handle_userfault(&vmf, reason);
+ i_mmap_lock_read(mapping);
+ mutex_lock(&hugetlb_fault_mutex_table[hash]);
+
+ return ret;
+}
+
static vm_fault_t hugetlb_no_page(struct mm_struct *mm,
struct vm_area_struct *vma,
struct address_space *mapping, pgoff_t idx,
@@ -4361,35 +4402,11 @@ static vm_fault_t hugetlb_no_page(struct mm_struct *mm,
retry:
page = find_lock_page(mapping, idx);
if (!page) {
- /*
- * Check for page in userfault range
- */
+ /* Check for page in userfault range */
if (userfaultfd_missing(vma)) {
- u32 hash;
- struct vm_fault vmf = {
- .vma = vma,
- .address = haddr,
- .flags = flags,
- /*
- * Hard to debug if it ends up being
- * used by a callee that assumes
- * something about the other
- * uninitialized fields... same as in
- * memory.c
- */
- };
-
- /*
- * hugetlb_fault_mutex and i_mmap_rwsem must be
- * dropped before handling userfault. Reacquire
- * after handling fault to make calling code simpler.
- */
- hash = hugetlb_fault_mutex_hash(mapping, idx);
- mutex_unlock(&hugetlb_fault_mutex_table[hash]);
- i_mmap_unlock_read(mapping);
- ret = handle_userfault(&vmf, VM_UFFD_MISSING);
- i_mmap_lock_read(mapping);
- mutex_lock(&hugetlb_fault_mutex_table[hash]);
+ ret = hugetlb_handle_userfault(vma, mapping, idx,
+ flags, haddr,
+ VM_UFFD_MISSING);
goto out;
}
@@ -4448,6 +4465,16 @@ static vm_fault_t hugetlb_no_page(struct mm_struct *mm,
VM_FAULT_SET_HINDEX(hstate_index(h));
goto backout_unlocked;
}
+
+ /* Check for page in userfault range. */
+ if (userfaultfd_minor(vma)) {
+ unlock_page(page);
+ put_page(page);
+ ret = hugetlb_handle_userfault(vma, mapping, idx,
+ flags, haddr,
+ VM_UFFD_MINOR);
+ goto out;
+ }
}
/*
@@ -4576,7 +4603,7 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
*/
mapping = vma->vm_file->f_mapping;
i_mmap_lock_read(mapping);
- ptep = huge_pte_alloc(mm, haddr, huge_page_size(h));
+ ptep = huge_pte_alloc(mm, vma, haddr, huge_page_size(h));
if (!ptep) {
i_mmap_unlock_read(mapping);
return VM_FAULT_OOM;
@@ -4688,6 +4715,7 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
return ret;
}
+#ifdef CONFIG_USERFAULTFD
/*
* Used by userfaultfd UFFDIO_COPY. Based on mcopy_atomic_pte with
* modifications for huge pages.
@@ -4697,8 +4725,10 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
struct vm_area_struct *dst_vma,
unsigned long dst_addr,
unsigned long src_addr,
+ enum mcopy_atomic_mode mode,
struct page **pagep)
{
+ bool is_continue = (mode == MCOPY_ATOMIC_CONTINUE);
struct address_space *mapping;
pgoff_t idx;
unsigned long size;
@@ -4708,8 +4738,17 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
spinlock_t *ptl;
int ret;
struct page *page;
+ int writable;
- if (!*pagep) {
+ mapping = dst_vma->vm_file->f_mapping;
+ idx = vma_hugecache_offset(h, dst_vma, dst_addr);
+
+ if (is_continue) {
+ ret = -EFAULT;
+ page = find_lock_page(mapping, idx);
+ if (!page)
+ goto out;
+ } else if (!*pagep) {
/* If a page already exists, then it's UFFDIO_COPY for
* a non-missing case. Return -EEXIST.
*/
@@ -4748,13 +4787,8 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
*/
__SetPageUptodate(page);
- mapping = dst_vma->vm_file->f_mapping;
- idx = vma_hugecache_offset(h, dst_vma, dst_addr);
-
- /*
- * If shared, add to page cache
- */
- if (vm_shared) {
+ /* Add shared, newly allocated pages to the page cache. */
+ if (vm_shared && !is_continue) {
size = i_size_read(mapping->host) >> huge_page_shift(h);
ret = -EFAULT;
if (idx >= size)
@@ -4799,8 +4833,14 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
hugepage_add_new_anon_rmap(page, dst_vma, dst_addr);
}
- _dst_pte = make_huge_pte(dst_vma, page, dst_vma->vm_flags & VM_WRITE);
- if (dst_vma->vm_flags & VM_WRITE)
+ /* For CONTINUE on a non-shared VMA, don't set VM_WRITE for CoW. */
+ if (is_continue && !vm_shared)
+ writable = 0;
+ else
+ writable = dst_vma->vm_flags & VM_WRITE;
+
+ _dst_pte = make_huge_pte(dst_vma, page, writable);
+ if (writable)
_dst_pte = huge_pte_mkdirty(_dst_pte);
_dst_pte = pte_mkyoung(_dst_pte);
@@ -4814,20 +4854,22 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
update_mmu_cache(dst_vma, dst_addr, dst_pte);
spin_unlock(ptl);
- set_page_huge_active(page);
- if (vm_shared)
+ if (!is_continue)
+ set_page_huge_active(page);
+ if (vm_shared || is_continue)
unlock_page(page);
ret = 0;
out:
return ret;
out_release_unlock:
spin_unlock(ptl);
- if (vm_shared)
+ if (vm_shared || is_continue)
unlock_page(page);
out_release_nounlock:
put_page(page);
goto out;
}
+#endif /* CONFIG_USERFAULTFD */
long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
struct page **pages, struct vm_area_struct **vmas,
@@ -5007,14 +5049,6 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
return i ? i : err;
}
-#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
-/*
- * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
- * implement this.
- */
-#define flush_hugetlb_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end)
-#endif
-
unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot)
{
@@ -5346,6 +5380,15 @@ static bool vma_shareable(struct vm_area_struct *vma, unsigned long addr)
return false;
}
+bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr)
+{
+#ifdef CONFIG_USERFAULTFD
+ if (uffd_disable_huge_pmd_share(vma))
+ return false;
+#endif
+ return vma_shareable(vma, addr);
+}
+
/*
* Determine if start,end range within vma could be mapped by shared pmd.
* If yes, adjust start and end to cover range associated with possible
@@ -5390,9 +5433,9 @@ void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma,
* if !vma_shareable check at the beginning of the routine. i_mmap_rwsem is
* only required for subsequent processing.
*/
-pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud)
+pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr, pud_t *pud)
{
- struct vm_area_struct *vma = find_vma(mm, addr);
struct address_space *mapping = vma->vm_file->f_mapping;
pgoff_t idx = ((addr - vma->vm_start) >> PAGE_SHIFT) +
vma->vm_pgoff;
@@ -5402,9 +5445,6 @@ pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud)
pte_t *pte;
spinlock_t *ptl;
- if (!vma_shareable(vma, addr))
- return (pte_t *)pmd_alloc(mm, pud, addr);
-
i_mmap_assert_locked(mapping);
vma_interval_tree_foreach(svma, &mapping->i_mmap, idx, idx) {
if (svma == vma)
@@ -5468,9 +5508,10 @@ int huge_pmd_unshare(struct mm_struct *mm, struct vm_area_struct *vma,
*addr = ALIGN(*addr, HPAGE_SIZE * PTRS_PER_PTE) - HPAGE_SIZE;
return 1;
}
-#define want_pmd_share() (1)
+
#else /* !CONFIG_ARCH_WANT_HUGE_PMD_SHARE */
-pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud)
+pte_t *huge_pmd_share(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr, pud_t *pud)
{
return NULL;
}
@@ -5485,11 +5526,15 @@ void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma,
unsigned long *start, unsigned long *end)
{
}
-#define want_pmd_share() (0)
+
+bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr)
+{
+ return false;
+}
#endif /* CONFIG_ARCH_WANT_HUGE_PMD_SHARE */
#ifdef CONFIG_ARCH_WANT_GENERAL_HUGETLB
-pte_t *huge_pte_alloc(struct mm_struct *mm,
+pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
@@ -5507,8 +5552,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
pte = (pte_t *)pud;
} else {
BUG_ON(sz != PMD_SIZE);
- if (want_pmd_share() && pud_none(*pud))
- pte = huge_pmd_share(mm, addr, pud);
+ if (want_pmd_share(vma, addr) && pud_none(*pud))
+ pte = huge_pmd_share(mm, vma, addr, pud);
else
pte = (pte_t *)pmd_alloc(mm, pud, addr);
}
@@ -5708,6 +5753,57 @@ void move_hugetlb_state(struct page *oldpage, struct page *newpage, int reason)
}
}
+/*
+ * This function will unconditionally remove all the shared pmd pgtable entries
+ * within the specific vma for a hugetlbfs memory range.
+ */
+void hugetlb_unshare_all_pmds(struct vm_area_struct *vma)
+{
+ struct hstate *h = hstate_vma(vma);
+ unsigned long sz = huge_page_size(h);
+ struct mm_struct *mm = vma->vm_mm;
+ struct mmu_notifier_range range;
+ unsigned long address, start, end;
+ spinlock_t *ptl;
+ pte_t *ptep;
+
+ if (!(vma->vm_flags & VM_MAYSHARE))
+ return;
+
+ start = ALIGN(vma->vm_start, PUD_SIZE);
+ end = ALIGN_DOWN(vma->vm_end, PUD_SIZE);
+
+ if (start >= end)
+ return;
+
+ /*
+ * No need to call adjust_range_if_pmd_sharing_possible(), because
+ * we have already done the PUD_SIZE alignment.
+ */
+ mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm,
+ start, end);
+ mmu_notifier_invalidate_range_start(&range);
+ i_mmap_lock_write(vma->vm_file->f_mapping);
+ for (address = start; address < end; address += PUD_SIZE) {
+ unsigned long tmp = address;
+
+ ptep = huge_pte_offset(mm, address, sz);
+ if (!ptep)
+ continue;
+ ptl = huge_pte_lock(h, mm, ptep);
+ /* We don't want 'address' to be changed */
+ huge_pmd_unshare(mm, vma, &tmp, ptep);
+ spin_unlock(ptl);
+ }
+ flush_hugetlb_tlb_range(vma, start, end);
+ i_mmap_unlock_write(vma->vm_file->f_mapping);
+ /*
+ * No need to call mmu_notifier_invalidate_range(), see
+ * Documentation/vm/mmu_notifier.rst.
+ */
+ mmu_notifier_invalidate_range_end(&range);
+}
+
#ifdef CONFIG_CMA
static bool cma_reserve_called __initdata;
diff --git a/mm/init-mm.c b/mm/init-mm.c
index 15316266..241def2 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -28,6 +28,9 @@
*/
struct mm_struct init_mm = {
.mm_rb = RB_ROOT,
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ .mm_rb_lock = __RW_LOCK_UNLOCKED(init_mm.mm_rb_lock),
+#endif
.pgd = swapper_pg_dir,
.mm_users = ATOMIC_INIT(2),
.mm_count = ATOMIC_INIT(1),
diff --git a/mm/internal.h b/mm/internal.h
index 840b8a3..5a3f372 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -36,6 +36,26 @@ void page_writeback_init(void);
vm_fault_t do_swap_page(struct vm_fault *vmf);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+extern struct vm_area_struct *get_vma(struct mm_struct *mm,
+ unsigned long addr);
+extern void put_vma(struct vm_area_struct *vma);
+
+static inline bool vma_has_changed(struct vm_fault *vmf)
+{
+ int ret = RB_EMPTY_NODE(&vmf->vma->vm_rb);
+ unsigned int seq = READ_ONCE(vmf->vma->vm_sequence.sequence);
+
+ /*
+ * Matches both the wmb in write_seqlock_{begin,end}() and
+ * the wmb in vma_rb_erase().
+ */
+ smp_rmb();
+
+ return ret || seq != vmf->sequence;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
unsigned long floor, unsigned long ceiling);
diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile
index 370d970..9fe39a6 100644
--- a/mm/kasan/Makefile
+++ b/mm/kasan/Makefile
@@ -6,12 +6,15 @@
# Disable ftrace to avoid recursion.
CFLAGS_REMOVE_common.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_generic.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_generic_report.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_quarantine.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_tags.o = $(CC_FLAGS_FTRACE)
-CFLAGS_REMOVE_tags_report.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_report_generic.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_report_hw_tags.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_report_sw_tags.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_shadow.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_hw_tags.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_sw_tags.o = $(CC_FLAGS_FTRACE)
# Function splitter causes unnecessary splits in __asan_load1/__asan_store1
# see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63533
@@ -22,13 +25,17 @@
CFLAGS_common.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_generic.o := $(CC_FLAGS_KASAN_RUNTIME)
-CFLAGS_generic_report.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_init.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_quarantine.o := $(CC_FLAGS_KASAN_RUNTIME)
CFLAGS_report.o := $(CC_FLAGS_KASAN_RUNTIME)
-CFLAGS_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
-CFLAGS_tags_report.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_report_generic.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_report_hw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_report_sw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_shadow.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_hw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_sw_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
-obj-$(CONFIG_KASAN) := common.o init.o report.o
-obj-$(CONFIG_KASAN_GENERIC) += generic.o generic_report.o quarantine.o
-obj-$(CONFIG_KASAN_SW_TAGS) += tags.o tags_report.o
+obj-$(CONFIG_KASAN) := common.o report.o
+obj-$(CONFIG_KASAN_GENERIC) += init.o generic.o report_generic.o shadow.o quarantine.o
+obj-$(CONFIG_KASAN_HW_TAGS) += hw_tags.o report_hw_tags.o
+obj-$(CONFIG_KASAN_SW_TAGS) += init.o report_sw_tags.o shadow.o sw_tags.o
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 950fd37..0ecd293 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -1,24 +1,18 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * This file contains common generic and tag-based KASAN code.
+ * This file contains common KASAN code.
*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
* Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
*
* Some code borrowed from https://github.com/xairy/kasan-prototype by
* Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/export.h>
#include <linux/init.h>
#include <linux/kasan.h>
#include <linux/kernel.h>
-#include <linux/kmemleak.h>
#include <linux/linkage.h>
#include <linux/memblock.h>
#include <linux/memory.h>
@@ -31,12 +25,8 @@
#include <linux/stacktrace.h>
#include <linux/string.h>
#include <linux/types.h>
-#include <linux/vmalloc.h>
#include <linux/bug.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
#include "kasan.h"
#include "../slab.h"
@@ -56,6 +46,7 @@ void kasan_set_track(struct kasan_track *track, gfp_t flags)
track->stack = kasan_save_stack(flags);
}
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
void kasan_enable_current(void)
{
current->kasan_depth++;
@@ -65,106 +56,20 @@ void kasan_disable_current(void)
{
current->kasan_depth--;
}
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
-bool __kasan_check_read(const volatile void *p, unsigned int size)
+void __kasan_unpoison_range(const void *address, size_t size)
{
- return check_memory_region((unsigned long)p, size, false, _RET_IP_);
-}
-EXPORT_SYMBOL(__kasan_check_read);
-
-bool __kasan_check_write(const volatile void *p, unsigned int size)
-{
- return check_memory_region((unsigned long)p, size, true, _RET_IP_);
-}
-EXPORT_SYMBOL(__kasan_check_write);
-
-#undef memset
-void *memset(void *addr, int c, size_t len)
-{
- if (!check_memory_region((unsigned long)addr, len, true, _RET_IP_))
- return NULL;
-
- return __memset(addr, c, len);
+ kasan_unpoison(address, size, false);
}
-#ifdef __HAVE_ARCH_MEMMOVE
-#undef memmove
-void *memmove(void *dest, const void *src, size_t len)
-{
- if (!check_memory_region((unsigned long)src, len, false, _RET_IP_) ||
- !check_memory_region((unsigned long)dest, len, true, _RET_IP_))
- return NULL;
-
- return __memmove(dest, src, len);
-}
-#endif
-
-#undef memcpy
-void *memcpy(void *dest, const void *src, size_t len)
-{
- if (!check_memory_region((unsigned long)src, len, false, _RET_IP_) ||
- !check_memory_region((unsigned long)dest, len, true, _RET_IP_))
- return NULL;
-
- return __memcpy(dest, src, len);
-}
-
-/*
- * Poisons the shadow memory for 'size' bytes starting from 'addr'.
- * Memory addresses should be aligned to KASAN_SHADOW_SCALE_SIZE.
- */
-void kasan_poison_shadow(const void *address, size_t size, u8 value)
-{
- void *shadow_start, *shadow_end;
-
- /*
- * Perform shadow offset calculation based on untagged address, as
- * some of the callers (e.g. kasan_poison_object_data) pass tagged
- * addresses to this function.
- */
- address = reset_tag(address);
-
- shadow_start = kasan_mem_to_shadow(address);
- shadow_end = kasan_mem_to_shadow(address + size);
-
- __memset(shadow_start, value, shadow_end - shadow_start);
-}
-
-void kasan_unpoison_shadow(const void *address, size_t size)
-{
- u8 tag = get_tag(address);
-
- /*
- * Perform shadow offset calculation based on untagged address, as
- * some of the callers (e.g. kasan_unpoison_object_data) pass tagged
- * addresses to this function.
- */
- address = reset_tag(address);
-
- kasan_poison_shadow(address, size, tag);
-
- if (size & KASAN_SHADOW_MASK) {
- u8 *shadow = (u8 *)kasan_mem_to_shadow(address + size);
-
- if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
- *shadow = tag;
- else
- *shadow = size & KASAN_SHADOW_MASK;
- }
-}
-
-static void __kasan_unpoison_stack(struct task_struct *task, const void *sp)
-{
- void *base = task_stack_page(task);
- size_t size = sp - base;
-
- kasan_unpoison_shadow(base, size);
-}
-
+#ifdef CONFIG_KASAN_STACK
/* Unpoison the entire stack for a task. */
void kasan_unpoison_task_stack(struct task_struct *task)
{
- __kasan_unpoison_stack(task, task_stack_page(task) + THREAD_SIZE);
+ void *base = task_stack_page(task);
+
+ kasan_unpoison(base, THREAD_SIZE, false);
}
/* Unpoison the stack for the current task beyond a watermark sp value. */
@@ -177,10 +82,22 @@ asmlinkage void kasan_unpoison_task_stack_below(const void *watermark)
*/
void *base = (void *)((unsigned long)watermark & ~(THREAD_SIZE - 1));
- kasan_unpoison_shadow(base, watermark - base);
+ kasan_unpoison(base, watermark - base, false);
+}
+#endif /* CONFIG_KASAN_STACK */
+
+/*
+ * Only allow cache merging when stack collection is disabled and no metadata
+ * is present.
+ */
+slab_flags_t __kasan_never_merge(void)
+{
+ if (kasan_stack_collection_enabled())
+ return SLAB_KASAN;
+ return 0;
}
-void kasan_alloc_pages(struct page *page, unsigned int order)
+void __kasan_unpoison_pages(struct page *page, unsigned int order, bool init)
{
u8 tag;
unsigned long i;
@@ -188,18 +105,17 @@ void kasan_alloc_pages(struct page *page, unsigned int order)
if (unlikely(PageHighMem(page)))
return;
- tag = random_tag();
+ tag = kasan_random_tag();
for (i = 0; i < (1 << order); i++)
page_kasan_tag_set(page + i, tag);
- kasan_unpoison_shadow(page_address(page), PAGE_SIZE << order);
+ kasan_unpoison(page_address(page), PAGE_SIZE << order, init);
}
-void kasan_free_pages(struct page *page, unsigned int order)
+void __kasan_poison_pages(struct page *page, unsigned int order, bool init)
{
if (likely(!PageHighMem(page)))
- kasan_poison_shadow(page_address(page),
- PAGE_SIZE << order,
- KASAN_FREE_PAGE);
+ kasan_poison(page_address(page), PAGE_SIZE << order,
+ KASAN_FREE_PAGE, init);
}
/*
@@ -208,9 +124,6 @@ void kasan_free_pages(struct page *page, unsigned int order)
*/
static inline unsigned int optimal_redzone(unsigned int object_size)
{
- if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
- return 0;
-
return
object_size <= 64 - 16 ? 16 :
object_size <= 128 - 32 ? 32 :
@@ -221,88 +134,135 @@ static inline unsigned int optimal_redzone(unsigned int object_size)
object_size <= (1 << 16) - 1024 ? 1024 : 2048;
}
-void kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
- slab_flags_t *flags)
+void __kasan_cache_create(struct kmem_cache *cache, unsigned int *size,
+ slab_flags_t *flags)
{
- unsigned int orig_size = *size;
- unsigned int redzone_size;
- int redzone_adjust;
+ unsigned int ok_size;
+ unsigned int optimal_size;
- /* Add alloc meta. */
+ /*
+ * SLAB_KASAN is used to mark caches as ones that are sanitized by
+ * KASAN. Currently this flag is used in two places:
+ * 1. In slab_ksize() when calculating the size of the accessible
+ * memory within the object.
+ * 2. In slab_common.c to prevent merging of sanitized caches.
+ */
+ *flags |= SLAB_KASAN;
+
+ if (!kasan_stack_collection_enabled())
+ return;
+
+ ok_size = *size;
+
+ /* Add alloc meta into redzone. */
cache->kasan_info.alloc_meta_offset = *size;
*size += sizeof(struct kasan_alloc_meta);
- /* Add free meta. */
- if (IS_ENABLED(CONFIG_KASAN_GENERIC) &&
- (cache->flags & SLAB_TYPESAFE_BY_RCU || cache->ctor ||
- cache->object_size < sizeof(struct kasan_free_meta))) {
- cache->kasan_info.free_meta_offset = *size;
- *size += sizeof(struct kasan_free_meta);
+ /*
+ * If alloc meta doesn't fit, don't add it.
+ * This can only happen with SLAB, as it has KMALLOC_MAX_SIZE equal
+ * to KMALLOC_MAX_CACHE_SIZE and doesn't fall back to page_alloc for
+ * larger sizes.
+ */
+ if (*size > KMALLOC_MAX_SIZE) {
+ cache->kasan_info.alloc_meta_offset = 0;
+ *size = ok_size;
+ /* Continue, since free meta might still fit. */
}
- redzone_size = optimal_redzone(cache->object_size);
- redzone_adjust = redzone_size - (*size - cache->object_size);
- if (redzone_adjust > 0)
- *size += redzone_adjust;
-
- *size = min_t(unsigned int, KMALLOC_MAX_SIZE,
- max(*size, cache->object_size + redzone_size));
-
- /*
- * If the metadata doesn't fit, don't enable KASAN at all.
- */
- if (*size <= cache->kasan_info.alloc_meta_offset ||
- *size <= cache->kasan_info.free_meta_offset) {
- cache->kasan_info.alloc_meta_offset = 0;
- cache->kasan_info.free_meta_offset = 0;
- *size = orig_size;
+ /* Only the generic mode uses free meta or flexible redzones. */
+ if (!IS_ENABLED(CONFIG_KASAN_GENERIC)) {
+ cache->kasan_info.free_meta_offset = KASAN_NO_FREE_META;
return;
}
- *flags |= SLAB_KASAN;
+ /*
+ * Add free meta into redzone when it's not possible to store
+ * it in the object. This is the case when:
+ * 1. Object is SLAB_TYPESAFE_BY_RCU, which means that it can
+ * be touched after it was freed, or
+ * 2. Object has a constructor, which means it's expected to
+ * retain its content until the next allocation, or
+ * 3. Object is too small.
+ * Otherwise cache->kasan_info.free_meta_offset = 0 is implied.
+ */
+ if ((cache->flags & SLAB_TYPESAFE_BY_RCU) || cache->ctor ||
+ cache->object_size < sizeof(struct kasan_free_meta)) {
+ ok_size = *size;
+
+ cache->kasan_info.free_meta_offset = *size;
+ *size += sizeof(struct kasan_free_meta);
+
+ /* If free meta doesn't fit, don't add it. */
+ if (*size > KMALLOC_MAX_SIZE) {
+ cache->kasan_info.free_meta_offset = KASAN_NO_FREE_META;
+ *size = ok_size;
+ }
+ }
+
+ /* Calculate size with optimal redzone. */
+ optimal_size = cache->object_size + optimal_redzone(cache->object_size);
+ /* Limit it with KMALLOC_MAX_SIZE (relevant for SLAB only). */
+ if (optimal_size > KMALLOC_MAX_SIZE)
+ optimal_size = KMALLOC_MAX_SIZE;
+ /* Use optimal size if the size with added metas is not large enough. */
+ if (*size < optimal_size)
+ *size = optimal_size;
}
-size_t kasan_metadata_size(struct kmem_cache *cache)
+void __kasan_cache_create_kmalloc(struct kmem_cache *cache)
{
+ cache->kasan_info.is_kmalloc = true;
+}
+
+size_t __kasan_metadata_size(struct kmem_cache *cache)
+{
+ if (!kasan_stack_collection_enabled())
+ return 0;
return (cache->kasan_info.alloc_meta_offset ?
sizeof(struct kasan_alloc_meta) : 0) +
(cache->kasan_info.free_meta_offset ?
sizeof(struct kasan_free_meta) : 0);
}
-struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache,
- const void *object)
+struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache,
+ const void *object)
{
- return (void *)object + cache->kasan_info.alloc_meta_offset;
+ if (!cache->kasan_info.alloc_meta_offset)
+ return NULL;
+ return kasan_reset_tag(object) + cache->kasan_info.alloc_meta_offset;
}
-struct kasan_free_meta *get_free_info(struct kmem_cache *cache,
- const void *object)
+#ifdef CONFIG_KASAN_GENERIC
+struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache,
+ const void *object)
{
BUILD_BUG_ON(sizeof(struct kasan_free_meta) > 32);
- return (void *)object + cache->kasan_info.free_meta_offset;
+ if (cache->kasan_info.free_meta_offset == KASAN_NO_FREE_META)
+ return NULL;
+ return kasan_reset_tag(object) + cache->kasan_info.free_meta_offset;
}
+#endif
-void kasan_poison_slab(struct page *page)
+void __kasan_poison_slab(struct page *page)
{
unsigned long i;
for (i = 0; i < compound_nr(page); i++)
page_kasan_tag_reset(page + i);
- kasan_poison_shadow(page_address(page), page_size(page),
- KASAN_KMALLOC_REDZONE);
+ kasan_poison(page_address(page), page_size(page),
+ KASAN_KMALLOC_REDZONE, false);
}
-void kasan_unpoison_object_data(struct kmem_cache *cache, void *object)
+void __kasan_unpoison_object_data(struct kmem_cache *cache, void *object)
{
- kasan_unpoison_shadow(object, cache->object_size);
+ kasan_unpoison(object, cache->object_size, false);
}
-void kasan_poison_object_data(struct kmem_cache *cache, void *object)
+void __kasan_poison_object_data(struct kmem_cache *cache, void *object)
{
- kasan_poison_shadow(object,
- round_up(cache->object_size, KASAN_SHADOW_SCALE_SIZE),
- KASAN_KMALLOC_REDZONE);
+ kasan_poison(object, round_up(cache->object_size, KASAN_GRANULE_SIZE),
+ KASAN_KMALLOC_REDZONE, false);
}
/*
@@ -319,24 +279,18 @@ void kasan_poison_object_data(struct kmem_cache *cache, void *object)
* based on objects indexes, so that objects that are next to each other
* get different tags.
*/
-static u8 assign_tag(struct kmem_cache *cache, const void *object,
- bool init, bool keep_tag)
+static inline u8 assign_tag(struct kmem_cache *cache,
+ const void *object, bool init)
{
- /*
- * 1. When an object is kmalloc()'ed, two hooks are called:
- * kasan_slab_alloc() and kasan_kmalloc(). We assign the
- * tag only in the first one.
- * 2. We reuse the same tag for krealloc'ed objects.
- */
- if (keep_tag)
- return get_tag(object);
+ if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+ return 0xff;
/*
* If the cache neither has a constructor nor has SLAB_TYPESAFE_BY_RCU
* set, assign a tag when the object is being allocated (init == false).
*/
if (!cache->ctor && !(cache->flags & SLAB_TYPESAFE_BY_RCU))
- return init ? KASAN_TAG_KERNEL : random_tag();
+ return init ? KASAN_TAG_KERNEL : kasan_random_tag();
/* For caches that either have a constructor or SLAB_TYPESAFE_BY_RCU: */
#ifdef CONFIG_SLAB
@@ -347,54 +301,39 @@ static u8 assign_tag(struct kmem_cache *cache, const void *object,
* For SLUB assign a random tag during slab creation, otherwise reuse
* the already assigned tag.
*/
- return init ? random_tag() : get_tag(object);
+ return init ? kasan_random_tag() : get_tag(object);
#endif
}
-void * __must_check kasan_init_slab_obj(struct kmem_cache *cache,
+void * __must_check __kasan_init_slab_obj(struct kmem_cache *cache,
const void *object)
{
- struct kasan_alloc_meta *alloc_info;
+ struct kasan_alloc_meta *alloc_meta;
- if (!(cache->flags & SLAB_KASAN))
- return (void *)object;
+ if (kasan_stack_collection_enabled()) {
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (alloc_meta)
+ __memset(alloc_meta, 0, sizeof(*alloc_meta));
+ }
- alloc_info = get_alloc_info(cache, object);
- __memset(alloc_info, 0, sizeof(*alloc_info));
-
- if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
- object = set_tag(object,
- assign_tag(cache, object, true, false));
+ /* Tag is ignored in set_tag() without CONFIG_KASAN_SW/HW_TAGS */
+ object = set_tag(object, assign_tag(cache, object, true));
return (void *)object;
}
-static inline bool shadow_invalid(u8 tag, s8 shadow_byte)
+static inline bool ____kasan_slab_free(struct kmem_cache *cache, void *object,
+ unsigned long ip, bool quarantine, bool init)
{
- if (IS_ENABLED(CONFIG_KASAN_GENERIC))
- return shadow_byte < 0 ||
- shadow_byte >= KASAN_SHADOW_SCALE_SIZE;
-
- /* else CONFIG_KASAN_SW_TAGS: */
- if ((u8)shadow_byte == KASAN_TAG_INVALID)
- return true;
- if ((tag != KASAN_TAG_KERNEL) && (tag != (u8)shadow_byte))
- return true;
-
- return false;
-}
-
-static bool __kasan_slab_free(struct kmem_cache *cache, void *object,
- unsigned long ip, bool quarantine)
-{
- s8 shadow_byte;
u8 tag;
void *tagged_object;
- unsigned long rounded_up_size;
tag = get_tag(object);
tagged_object = object;
- object = reset_tag(object);
+ object = kasan_reset_tag(object);
+
+ if (is_kfence_address(object))
+ return false;
if (unlikely(nearest_obj(cache, virt_to_head_page(object), object) !=
object)) {
@@ -406,526 +345,241 @@ static bool __kasan_slab_free(struct kmem_cache *cache, void *object,
if (unlikely(cache->flags & SLAB_TYPESAFE_BY_RCU))
return false;
- shadow_byte = READ_ONCE(*(s8 *)kasan_mem_to_shadow(object));
- if (shadow_invalid(tag, shadow_byte)) {
+ if (!kasan_byte_accessible(tagged_object)) {
kasan_report_invalid_free(tagged_object, ip);
return true;
}
- rounded_up_size = round_up(cache->object_size, KASAN_SHADOW_SCALE_SIZE);
- kasan_poison_shadow(object, rounded_up_size, KASAN_KMALLOC_FREE);
+ kasan_poison(object, round_up(cache->object_size, KASAN_GRANULE_SIZE),
+ KASAN_KMALLOC_FREE, init);
- if ((IS_ENABLED(CONFIG_KASAN_GENERIC) && !quarantine) ||
- unlikely(!(cache->flags & SLAB_KASAN)))
+ if ((IS_ENABLED(CONFIG_KASAN_GENERIC) && !quarantine))
return false;
- kasan_set_free_info(cache, object, tag);
+ if (kasan_stack_collection_enabled())
+ kasan_set_free_info(cache, object, tag);
- quarantine_put(get_free_info(cache, object), cache);
-
- return IS_ENABLED(CONFIG_KASAN_GENERIC);
+ return kasan_quarantine_put(cache, object);
}
-bool kasan_slab_free(struct kmem_cache *cache, void *object, unsigned long ip)
+bool __kasan_slab_free(struct kmem_cache *cache, void *object,
+ unsigned long ip, bool init)
{
- return __kasan_slab_free(cache, object, ip, true);
+ return ____kasan_slab_free(cache, object, ip, true, init);
}
-static void *__kasan_kmalloc(struct kmem_cache *cache, const void *object,
- size_t size, gfp_t flags, bool keep_tag)
+static inline bool ____kasan_kfree_large(void *ptr, unsigned long ip)
{
- unsigned long redzone_start;
- unsigned long redzone_end;
- u8 tag = 0xff;
+ if (ptr != page_address(virt_to_head_page(ptr))) {
+ kasan_report_invalid_free(ptr, ip);
+ return true;
+ }
+
+ if (!kasan_byte_accessible(ptr)) {
+ kasan_report_invalid_free(ptr, ip);
+ return true;
+ }
+
+ /*
+ * The object will be poisoned by kasan_free_pages() or
+ * kasan_slab_free_mempool().
+ */
+
+ return false;
+}
+
+void __kasan_kfree_large(void *ptr, unsigned long ip)
+{
+ ____kasan_kfree_large(ptr, ip);
+}
+
+void __kasan_slab_free_mempool(void *ptr, unsigned long ip)
+{
+ struct page *page;
+
+ page = virt_to_head_page(ptr);
+
+ /*
+ * Even though this function is only called for kmem_cache_alloc and
+ * kmalloc backed mempool allocations, those allocations can still be
+ * !PageSlab() when the size provided to kmalloc is larger than
+ * KMALLOC_MAX_SIZE, and kmalloc falls back onto page_alloc.
+ */
+ if (unlikely(!PageSlab(page))) {
+ if (____kasan_kfree_large(ptr, ip))
+ return;
+ kasan_poison(ptr, page_size(page), KASAN_FREE_PAGE, false);
+ } else {
+ ____kasan_slab_free(page->slab_cache, ptr, ip, false, false);
+ }
+}
+
+static void set_alloc_info(struct kmem_cache *cache, void *object,
+ gfp_t flags, bool is_kmalloc)
+{
+ struct kasan_alloc_meta *alloc_meta;
+
+ /* Don't save alloc info for kmalloc caches in kasan_slab_alloc(). */
+ if (cache->kasan_info.is_kmalloc && !is_kmalloc)
+ return;
+
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (alloc_meta)
+ kasan_set_track(&alloc_meta->alloc_track, flags);
+}
+
+void * __must_check __kasan_slab_alloc(struct kmem_cache *cache,
+ void *object, gfp_t flags, bool init)
+{
+ u8 tag;
+ void *tagged_object;
if (gfpflags_allow_blocking(flags))
- quarantine_reduce();
+ kasan_quarantine_reduce();
if (unlikely(object == NULL))
return NULL;
- redzone_start = round_up((unsigned long)(object + size),
- KASAN_SHADOW_SCALE_SIZE);
- redzone_end = round_up((unsigned long)object + cache->object_size,
- KASAN_SHADOW_SCALE_SIZE);
+ if (is_kfence_address(object))
+ return (void *)object;
- if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
- tag = assign_tag(cache, object, false, keep_tag);
+ /*
+ * Generate and assign random tag for tag-based modes.
+ * Tag is ignored in set_tag() for the generic mode.
+ */
+ tag = assign_tag(cache, object, false);
+ tagged_object = set_tag(object, tag);
- /* Tag is ignored in set_tag without CONFIG_KASAN_SW_TAGS */
- kasan_unpoison_shadow(set_tag(object, tag), size);
- kasan_poison_shadow((void *)redzone_start, redzone_end - redzone_start,
- KASAN_KMALLOC_REDZONE);
+ /*
+ * Unpoison the whole object.
+ * For kmalloc() allocations, kasan_kmalloc() will do precise poisoning.
+ */
+ kasan_unpoison(tagged_object, cache->object_size, init);
- if (cache->flags & SLAB_KASAN)
- kasan_set_track(&get_alloc_info(cache, object)->alloc_track, flags);
+ /* Save alloc info (if possible) for non-kmalloc() allocations. */
+ if (kasan_stack_collection_enabled())
+ set_alloc_info(cache, (void *)object, flags, false);
- return set_tag(object, tag);
+ return tagged_object;
}
-void * __must_check kasan_slab_alloc(struct kmem_cache *cache, void *object,
- gfp_t flags)
+static inline void *____kasan_kmalloc(struct kmem_cache *cache,
+ const void *object, size_t size, gfp_t flags)
{
- return __kasan_kmalloc(cache, object, cache->object_size, flags, false);
-}
-
-void * __must_check kasan_kmalloc(struct kmem_cache *cache, const void *object,
- size_t size, gfp_t flags)
-{
- return __kasan_kmalloc(cache, object, size, flags, true);
-}
-EXPORT_SYMBOL(kasan_kmalloc);
-
-void * __must_check kasan_kmalloc_large(const void *ptr, size_t size,
- gfp_t flags)
-{
- struct page *page;
unsigned long redzone_start;
unsigned long redzone_end;
if (gfpflags_allow_blocking(flags))
- quarantine_reduce();
+ kasan_quarantine_reduce();
+
+ if (unlikely(object == NULL))
+ return NULL;
+
+ if (is_kfence_address(kasan_reset_tag(object)))
+ return (void *)object;
+
+ /*
+ * The object has already been unpoisoned by kasan_slab_alloc() for
+ * kmalloc() or by kasan_krealloc() for krealloc().
+ */
+
+ /*
+ * The redzone has byte-level precision for the generic mode.
+ * Partially poison the last object granule to cover the unaligned
+ * part of the redzone.
+ */
+ if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+ kasan_poison_last_granule((void *)object, size);
+
+ /* Poison the aligned part of the redzone. */
+ redzone_start = round_up((unsigned long)(object + size),
+ KASAN_GRANULE_SIZE);
+ redzone_end = round_up((unsigned long)(object + cache->object_size),
+ KASAN_GRANULE_SIZE);
+ kasan_poison((void *)redzone_start, redzone_end - redzone_start,
+ KASAN_KMALLOC_REDZONE, false);
+
+ /*
+ * Save alloc info (if possible) for kmalloc() allocations.
+ * This also rewrites the alloc info when called from kasan_krealloc().
+ */
+ if (kasan_stack_collection_enabled())
+ set_alloc_info(cache, (void *)object, flags, true);
+
+ /* Keep the tag that was set by kasan_slab_alloc(). */
+ return (void *)object;
+}
+
+void * __must_check __kasan_kmalloc(struct kmem_cache *cache, const void *object,
+ size_t size, gfp_t flags)
+{
+ return ____kasan_kmalloc(cache, object, size, flags);
+}
+EXPORT_SYMBOL(__kasan_kmalloc);
+
+void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size,
+ gfp_t flags)
+{
+ unsigned long redzone_start;
+ unsigned long redzone_end;
+
+ if (gfpflags_allow_blocking(flags))
+ kasan_quarantine_reduce();
if (unlikely(ptr == NULL))
return NULL;
- page = virt_to_page(ptr);
- redzone_start = round_up((unsigned long)(ptr + size),
- KASAN_SHADOW_SCALE_SIZE);
- redzone_end = (unsigned long)ptr + page_size(page);
+ /*
+ * The object has already been unpoisoned by kasan_alloc_pages() for
+ * alloc_pages() or by kasan_krealloc() for krealloc().
+ */
- kasan_unpoison_shadow(ptr, size);
- kasan_poison_shadow((void *)redzone_start, redzone_end - redzone_start,
- KASAN_PAGE_REDZONE);
+ /*
+ * The redzone has byte-level precision for the generic mode.
+ * Partially poison the last object granule to cover the unaligned
+ * part of the redzone.
+ */
+ if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+ kasan_poison_last_granule(ptr, size);
+
+ /* Poison the aligned part of the redzone. */
+ redzone_start = round_up((unsigned long)(ptr + size),
+ KASAN_GRANULE_SIZE);
+ redzone_end = (unsigned long)ptr + page_size(virt_to_page(ptr));
+ kasan_poison((void *)redzone_start, redzone_end - redzone_start,
+ KASAN_PAGE_REDZONE, false);
return (void *)ptr;
}
-void * __must_check kasan_krealloc(const void *object, size_t size, gfp_t flags)
+void * __must_check __kasan_krealloc(const void *object, size_t size, gfp_t flags)
{
struct page *page;
if (unlikely(object == ZERO_SIZE_PTR))
return (void *)object;
+ /*
+ * Unpoison the object's data.
+ * Part of it might already have been unpoisoned, but it's unknown
+ * how big that part is.
+ */
+ kasan_unpoison(object, size, false);
+
page = virt_to_head_page(object);
+ /* Piggy-back on kmalloc() instrumentation to poison the redzone. */
if (unlikely(!PageSlab(page)))
- return kasan_kmalloc_large(object, size, flags);
+ return __kasan_kmalloc_large(object, size, flags);
else
- return __kasan_kmalloc(page->slab_cache, object, size,
- flags, true);
+ return ____kasan_kmalloc(page->slab_cache, object, size, flags);
}
-void kasan_poison_kfree(void *ptr, unsigned long ip)
+bool __kasan_check_byte(const void *address, unsigned long ip)
{
- struct page *page;
-
- page = virt_to_head_page(ptr);
-
- if (unlikely(!PageSlab(page))) {
- if (ptr != page_address(page)) {
- kasan_report_invalid_free(ptr, ip);
- return;
- }
- kasan_poison_shadow(ptr, page_size(page), KASAN_FREE_PAGE);
- } else {
- __kasan_slab_free(page->slab_cache, ptr, ip, false);
- }
-}
-
-void kasan_kfree_large(void *ptr, unsigned long ip)
-{
- if (ptr != page_address(virt_to_head_page(ptr)))
- kasan_report_invalid_free(ptr, ip);
- /* The object will be poisoned by page_alloc. */
-}
-
-#ifndef CONFIG_KASAN_VMALLOC
-int kasan_module_alloc(void *addr, size_t size)
-{
- void *ret;
- size_t scaled_size;
- size_t shadow_size;
- unsigned long shadow_start;
-
- shadow_start = (unsigned long)kasan_mem_to_shadow(addr);
- scaled_size = (size + KASAN_SHADOW_MASK) >> KASAN_SHADOW_SCALE_SHIFT;
- shadow_size = round_up(scaled_size, PAGE_SIZE);
-
- if (WARN_ON(!PAGE_ALIGNED(shadow_start)))
- return -EINVAL;
-
- ret = __vmalloc_node_range(shadow_size, 1, shadow_start,
- shadow_start + shadow_size,
- GFP_KERNEL,
- PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE,
- __builtin_return_address(0));
-
- if (ret) {
- __memset(ret, KASAN_SHADOW_INIT, shadow_size);
- find_vm_area(addr)->flags |= VM_KASAN;
- kmemleak_ignore(ret);
- return 0;
- }
-
- return -ENOMEM;
-}
-
-void kasan_free_shadow(const struct vm_struct *vm)
-{
- if (vm->flags & VM_KASAN)
- vfree(kasan_mem_to_shadow(vm->addr));
-}
-#endif
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-static bool shadow_mapped(unsigned long addr)
-{
- pgd_t *pgd = pgd_offset_k(addr);
- p4d_t *p4d;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *pte;
-
- if (pgd_none(*pgd))
+ if (!kasan_byte_accessible(address)) {
+ kasan_report((unsigned long)address, 1, false, ip);
return false;
- p4d = p4d_offset(pgd, addr);
- if (p4d_none(*p4d))
- return false;
- pud = pud_offset(p4d, addr);
- if (pud_none(*pud))
- return false;
-
- /*
- * We can't use pud_large() or pud_huge(), the first one is
- * arch-specific, the last one depends on HUGETLB_PAGE. So let's abuse
- * pud_bad(), if pud is bad then it's bad because it's huge.
- */
- if (pud_bad(*pud))
- return true;
- pmd = pmd_offset(pud, addr);
- if (pmd_none(*pmd))
- return false;
-
- if (pmd_bad(*pmd))
- return true;
- pte = pte_offset_kernel(pmd, addr);
- return !pte_none(*pte);
-}
-
-static int __meminit kasan_mem_notifier(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- struct memory_notify *mem_data = data;
- unsigned long nr_shadow_pages, start_kaddr, shadow_start;
- unsigned long shadow_end, shadow_size;
-
- nr_shadow_pages = mem_data->nr_pages >> KASAN_SHADOW_SCALE_SHIFT;
- start_kaddr = (unsigned long)pfn_to_kaddr(mem_data->start_pfn);
- shadow_start = (unsigned long)kasan_mem_to_shadow((void *)start_kaddr);
- shadow_size = nr_shadow_pages << PAGE_SHIFT;
- shadow_end = shadow_start + shadow_size;
-
- if (WARN_ON(mem_data->nr_pages % KASAN_SHADOW_SCALE_SIZE) ||
- WARN_ON(start_kaddr % (KASAN_SHADOW_SCALE_SIZE << PAGE_SHIFT)))
- return NOTIFY_BAD;
-
- switch (action) {
- case MEM_GOING_ONLINE: {
- void *ret;
-
- /*
- * If shadow is mapped already than it must have been mapped
- * during the boot. This could happen if we onlining previously
- * offlined memory.
- */
- if (shadow_mapped(shadow_start))
- return NOTIFY_OK;
-
- ret = __vmalloc_node_range(shadow_size, PAGE_SIZE, shadow_start,
- shadow_end, GFP_KERNEL,
- PAGE_KERNEL, VM_NO_GUARD,
- pfn_to_nid(mem_data->start_pfn),
- __builtin_return_address(0));
- if (!ret)
- return NOTIFY_BAD;
-
- kmemleak_ignore(ret);
- return NOTIFY_OK;
}
- case MEM_CANCEL_ONLINE:
- case MEM_OFFLINE: {
- struct vm_struct *vm;
-
- /*
- * shadow_start was either mapped during boot by kasan_init()
- * or during memory online by __vmalloc_node_range().
- * In the latter case we can use vfree() to free shadow.
- * Non-NULL result of the find_vm_area() will tell us if
- * that was the second case.
- *
- * Currently it's not possible to free shadow mapped
- * during boot by kasan_init(). It's because the code
- * to do that hasn't been written yet. So we'll just
- * leak the memory.
- */
- vm = find_vm_area((void *)shadow_start);
- if (vm)
- vfree((void *)shadow_start);
- }
- }
-
- return NOTIFY_OK;
+ return true;
}
-
-static int __init kasan_memhotplug_init(void)
-{
- hotplug_memory_notifier(kasan_mem_notifier, 0);
-
- return 0;
-}
-
-core_initcall(kasan_memhotplug_init);
-#endif
-
-#ifdef CONFIG_KASAN_VMALLOC
-static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr,
- void *unused)
-{
- unsigned long page;
- pte_t pte;
-
- if (likely(!pte_none(*ptep)))
- return 0;
-
- page = __get_free_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
-
- memset((void *)page, KASAN_VMALLOC_INVALID, PAGE_SIZE);
- pte = pfn_pte(PFN_DOWN(__pa(page)), PAGE_KERNEL);
-
- spin_lock(&init_mm.page_table_lock);
- if (likely(pte_none(*ptep))) {
- set_pte_at(&init_mm, addr, ptep, pte);
- page = 0;
- }
- spin_unlock(&init_mm.page_table_lock);
- if (page)
- free_page(page);
- return 0;
-}
-
-int kasan_populate_vmalloc(unsigned long addr, unsigned long size)
-{
- unsigned long shadow_start, shadow_end;
- int ret;
-
- if (!is_vmalloc_or_module_addr((void *)addr))
- return 0;
-
- shadow_start = (unsigned long)kasan_mem_to_shadow((void *)addr);
- shadow_start = ALIGN_DOWN(shadow_start, PAGE_SIZE);
- shadow_end = (unsigned long)kasan_mem_to_shadow((void *)addr + size);
- shadow_end = ALIGN(shadow_end, PAGE_SIZE);
-
- ret = apply_to_page_range(&init_mm, shadow_start,
- shadow_end - shadow_start,
- kasan_populate_vmalloc_pte, NULL);
- if (ret)
- return ret;
-
- flush_cache_vmap(shadow_start, shadow_end);
-
- /*
- * We need to be careful about inter-cpu effects here. Consider:
- *
- * CPU#0 CPU#1
- * WRITE_ONCE(p, vmalloc(100)); while (x = READ_ONCE(p)) ;
- * p[99] = 1;
- *
- * With compiler instrumentation, that ends up looking like this:
- *
- * CPU#0 CPU#1
- * // vmalloc() allocates memory
- * // let a = area->addr
- * // we reach kasan_populate_vmalloc
- * // and call kasan_unpoison_shadow:
- * STORE shadow(a), unpoison_val
- * ...
- * STORE shadow(a+99), unpoison_val x = LOAD p
- * // rest of vmalloc process <data dependency>
- * STORE p, a LOAD shadow(x+99)
- *
- * If there is no barrier between the end of unpoisioning the shadow
- * and the store of the result to p, the stores could be committed
- * in a different order by CPU#0, and CPU#1 could erroneously observe
- * poison in the shadow.
- *
- * We need some sort of barrier between the stores.
- *
- * In the vmalloc() case, this is provided by a smp_wmb() in
- * clear_vm_uninitialized_flag(). In the per-cpu allocator and in
- * get_vm_area() and friends, the caller gets shadow allocated but
- * doesn't have any pages mapped into the virtual address space that
- * has been reserved. Mapping those pages in will involve taking and
- * releasing a page-table lock, which will provide the barrier.
- */
-
- return 0;
-}
-
-/*
- * Poison the shadow for a vmalloc region. Called as part of the
- * freeing process at the time the region is freed.
- */
-void kasan_poison_vmalloc(const void *start, unsigned long size)
-{
- if (!is_vmalloc_or_module_addr(start))
- return;
-
- size = round_up(size, KASAN_SHADOW_SCALE_SIZE);
- kasan_poison_shadow(start, size, KASAN_VMALLOC_INVALID);
-}
-
-void kasan_unpoison_vmalloc(const void *start, unsigned long size)
-{
- if (!is_vmalloc_or_module_addr(start))
- return;
-
- kasan_unpoison_shadow(start, size);
-}
-
-static int kasan_depopulate_vmalloc_pte(pte_t *ptep, unsigned long addr,
- void *unused)
-{
- unsigned long page;
-
- page = (unsigned long)__va(pte_pfn(*ptep) << PAGE_SHIFT);
-
- spin_lock(&init_mm.page_table_lock);
-
- if (likely(!pte_none(*ptep))) {
- pte_clear(&init_mm, addr, ptep);
- free_page(page);
- }
- spin_unlock(&init_mm.page_table_lock);
-
- return 0;
-}
-
-/*
- * Release the backing for the vmalloc region [start, end), which
- * lies within the free region [free_region_start, free_region_end).
- *
- * This can be run lazily, long after the region was freed. It runs
- * under vmap_area_lock, so it's not safe to interact with the vmalloc/vmap
- * infrastructure.
- *
- * How does this work?
- * -------------------
- *
- * We have a region that is page aligned, labelled as A.
- * That might not map onto the shadow in a way that is page-aligned:
- *
- * start end
- * v v
- * |????????|????????|AAAAAAAA|AA....AA|AAAAAAAA|????????| < vmalloc
- * -------- -------- -------- -------- --------
- * | | | | |
- * | | | /-------/ |
- * \-------\|/------/ |/---------------/
- * ||| ||
- * |??AAAAAA|AAAAAAAA|AA??????| < shadow
- * (1) (2) (3)
- *
- * First we align the start upwards and the end downwards, so that the
- * shadow of the region aligns with shadow page boundaries. In the
- * example, this gives us the shadow page (2). This is the shadow entirely
- * covered by this allocation.
- *
- * Then we have the tricky bits. We want to know if we can free the
- * partially covered shadow pages - (1) and (3) in the example. For this,
- * we are given the start and end of the free region that contains this
- * allocation. Extending our previous example, we could have:
- *
- * free_region_start free_region_end
- * | start end |
- * v v v v
- * |FFFFFFFF|FFFFFFFF|AAAAAAAA|AA....AA|AAAAAAAA|FFFFFFFF| < vmalloc
- * -------- -------- -------- -------- --------
- * | | | | |
- * | | | /-------/ |
- * \-------\|/------/ |/---------------/
- * ||| ||
- * |FFAAAAAA|AAAAAAAA|AAF?????| < shadow
- * (1) (2) (3)
- *
- * Once again, we align the start of the free region up, and the end of
- * the free region down so that the shadow is page aligned. So we can free
- * page (1) - we know no allocation currently uses anything in that page,
- * because all of it is in the vmalloc free region. But we cannot free
- * page (3), because we can't be sure that the rest of it is unused.
- *
- * We only consider pages that contain part of the original region for
- * freeing: we don't try to free other pages from the free region or we'd
- * end up trying to free huge chunks of virtual address space.
- *
- * Concurrency
- * -----------
- *
- * How do we know that we're not freeing a page that is simultaneously
- * being used for a fresh allocation in kasan_populate_vmalloc(_pte)?
- *
- * We _can_ have kasan_release_vmalloc and kasan_populate_vmalloc running
- * at the same time. While we run under free_vmap_area_lock, the population
- * code does not.
- *
- * free_vmap_area_lock instead operates to ensure that the larger range
- * [free_region_start, free_region_end) is safe: because __alloc_vmap_area and
- * the per-cpu region-finding algorithm both run under free_vmap_area_lock,
- * no space identified as free will become used while we are running. This
- * means that so long as we are careful with alignment and only free shadow
- * pages entirely covered by the free region, we will not run in to any
- * trouble - any simultaneous allocations will be for disjoint regions.
- */
-void kasan_release_vmalloc(unsigned long start, unsigned long end,
- unsigned long free_region_start,
- unsigned long free_region_end)
-{
- void *shadow_start, *shadow_end;
- unsigned long region_start, region_end;
- unsigned long size;
-
- region_start = ALIGN(start, PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
- region_end = ALIGN_DOWN(end, PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
-
- free_region_start = ALIGN(free_region_start,
- PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
-
- if (start != region_start &&
- free_region_start < region_start)
- region_start -= PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE;
-
- free_region_end = ALIGN_DOWN(free_region_end,
- PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE);
-
- if (end != region_end &&
- free_region_end > region_end)
- region_end += PAGE_SIZE * KASAN_SHADOW_SCALE_SIZE;
-
- shadow_start = kasan_mem_to_shadow((void *)region_start);
- shadow_end = kasan_mem_to_shadow((void *)region_end);
-
- if (shadow_end > shadow_start) {
- size = shadow_end - shadow_start;
- apply_to_existing_page_range(&init_mm,
- (unsigned long)shadow_start,
- size, kasan_depopulate_vmalloc_pte,
- NULL);
- flush_tlb_kernel_range((unsigned long)shadow_start,
- (unsigned long)shadow_end);
- }
-}
-#endif
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c
index 248264b9..53cbf28 100644
--- a/mm/kasan/generic.c
+++ b/mm/kasan/generic.c
@@ -7,20 +7,14 @@
*
* Some code borrowed from https://github.com/xairy/kasan-prototype by
* Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
#include <linux/export.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/kasan.h>
#include <linux/kernel.h>
+#include <linux/kfence.h>
#include <linux/kmemleak.h>
#include <linux/linkage.h>
#include <linux/memblock.h>
@@ -51,7 +45,7 @@ static __always_inline bool memory_is_poisoned_1(unsigned long addr)
s8 shadow_value = *(s8 *)kasan_mem_to_shadow((void *)addr);
if (unlikely(shadow_value)) {
- s8 last_accessible_byte = addr & KASAN_SHADOW_MASK;
+ s8 last_accessible_byte = addr & KASAN_GRANULE_MASK;
return unlikely(last_accessible_byte >= shadow_value);
}
@@ -67,7 +61,7 @@ static __always_inline bool memory_is_poisoned_2_4_8(unsigned long addr,
* Access crosses 8(shadow size)-byte boundary. Such access maps
* into 2 shadow bytes, so we need to check them both.
*/
- if (unlikely(((addr + size - 1) & KASAN_SHADOW_MASK) < size - 1))
+ if (unlikely(((addr + size - 1) & KASAN_GRANULE_MASK) < size - 1))
return *shadow_addr || memory_is_poisoned_1(addr + size - 1);
return memory_is_poisoned_1(addr + size - 1);
@@ -78,7 +72,7 @@ static __always_inline bool memory_is_poisoned_16(unsigned long addr)
u16 *shadow_addr = (u16 *)kasan_mem_to_shadow((void *)addr);
/* Unaligned 16-bytes access maps into 3 shadow bytes. */
- if (unlikely(!IS_ALIGNED(addr, KASAN_SHADOW_SCALE_SIZE)))
+ if (unlikely(!IS_ALIGNED(addr, KASAN_GRANULE_SIZE)))
return *shadow_addr || memory_is_poisoned_1(addr + 15);
return *shadow_addr;
@@ -139,7 +133,7 @@ static __always_inline bool memory_is_poisoned_n(unsigned long addr,
s8 *last_shadow = (s8 *)kasan_mem_to_shadow((void *)last_byte);
if (unlikely(ret != (unsigned long)last_shadow ||
- ((long)(last_byte & KASAN_SHADOW_MASK) >= *last_shadow)))
+ ((long)(last_byte & KASAN_GRANULE_MASK) >= *last_shadow)))
return true;
}
return false;
@@ -165,7 +159,7 @@ static __always_inline bool memory_is_poisoned(unsigned long addr, size_t size)
return memory_is_poisoned_n(addr, size);
}
-static __always_inline bool check_memory_region_inline(unsigned long addr,
+static __always_inline bool check_region_inline(unsigned long addr,
size_t size, bool write,
unsigned long ret_ip)
{
@@ -186,32 +180,39 @@ static __always_inline bool check_memory_region_inline(unsigned long addr,
return !kasan_report(addr, size, write, ret_ip);
}
-bool check_memory_region(unsigned long addr, size_t size, bool write,
- unsigned long ret_ip)
+bool kasan_check_range(unsigned long addr, size_t size, bool write,
+ unsigned long ret_ip)
{
- return check_memory_region_inline(addr, size, write, ret_ip);
+ return check_region_inline(addr, size, write, ret_ip);
+}
+
+bool kasan_byte_accessible(const void *addr)
+{
+ s8 shadow_byte = READ_ONCE(*(s8 *)kasan_mem_to_shadow(addr));
+
+ return shadow_byte >= 0 && shadow_byte < KASAN_GRANULE_SIZE;
}
void kasan_cache_shrink(struct kmem_cache *cache)
{
- quarantine_remove_cache(cache);
+ kasan_quarantine_remove_cache(cache);
}
void kasan_cache_shutdown(struct kmem_cache *cache)
{
if (!__kmem_cache_empty(cache))
- quarantine_remove_cache(cache);
+ kasan_quarantine_remove_cache(cache);
}
static void register_global(struct kasan_global *global)
{
- size_t aligned_size = round_up(global->size, KASAN_SHADOW_SCALE_SIZE);
+ size_t aligned_size = round_up(global->size, KASAN_GRANULE_SIZE);
- kasan_unpoison_shadow(global->beg, global->size);
+ kasan_unpoison(global->beg, global->size, false);
- kasan_poison_shadow(global->beg + aligned_size,
- global->size_with_redzone - aligned_size,
- KASAN_GLOBAL_REDZONE);
+ kasan_poison(global->beg + aligned_size,
+ global->size_with_redzone - aligned_size,
+ KASAN_GLOBAL_REDZONE, false);
}
void __asan_register_globals(struct kasan_global *globals, size_t size)
@@ -231,7 +232,7 @@ EXPORT_SYMBOL(__asan_unregister_globals);
#define DEFINE_ASAN_LOAD_STORE(size) \
void __asan_load##size(unsigned long addr) \
{ \
- check_memory_region_inline(addr, size, false, _RET_IP_);\
+ check_region_inline(addr, size, false, _RET_IP_); \
} \
EXPORT_SYMBOL(__asan_load##size); \
__alias(__asan_load##size) \
@@ -239,7 +240,7 @@ EXPORT_SYMBOL(__asan_unregister_globals);
EXPORT_SYMBOL(__asan_load##size##_noabort); \
void __asan_store##size(unsigned long addr) \
{ \
- check_memory_region_inline(addr, size, true, _RET_IP_); \
+ check_region_inline(addr, size, true, _RET_IP_); \
} \
EXPORT_SYMBOL(__asan_store##size); \
__alias(__asan_store##size) \
@@ -254,7 +255,7 @@ DEFINE_ASAN_LOAD_STORE(16);
void __asan_loadN(unsigned long addr, size_t size)
{
- check_memory_region(addr, size, false, _RET_IP_);
+ kasan_check_range(addr, size, false, _RET_IP_);
}
EXPORT_SYMBOL(__asan_loadN);
@@ -264,7 +265,7 @@ EXPORT_SYMBOL(__asan_loadN_noabort);
void __asan_storeN(unsigned long addr, size_t size)
{
- check_memory_region(addr, size, true, _RET_IP_);
+ kasan_check_range(addr, size, true, _RET_IP_);
}
EXPORT_SYMBOL(__asan_storeN);
@@ -279,10 +280,10 @@ EXPORT_SYMBOL(__asan_handle_no_return);
/* Emitted by compiler to poison alloca()ed objects. */
void __asan_alloca_poison(unsigned long addr, size_t size)
{
- size_t rounded_up_size = round_up(size, KASAN_SHADOW_SCALE_SIZE);
+ size_t rounded_up_size = round_up(size, KASAN_GRANULE_SIZE);
size_t padding_size = round_up(size, KASAN_ALLOCA_REDZONE_SIZE) -
rounded_up_size;
- size_t rounded_down_size = round_down(size, KASAN_SHADOW_SCALE_SIZE);
+ size_t rounded_down_size = round_down(size, KASAN_GRANULE_SIZE);
const void *left_redzone = (const void *)(addr -
KASAN_ALLOCA_REDZONE_SIZE);
@@ -290,13 +291,12 @@ void __asan_alloca_poison(unsigned long addr, size_t size)
WARN_ON(!IS_ALIGNED(addr, KASAN_ALLOCA_REDZONE_SIZE));
- kasan_unpoison_shadow((const void *)(addr + rounded_down_size),
- size - rounded_down_size);
- kasan_poison_shadow(left_redzone, KASAN_ALLOCA_REDZONE_SIZE,
- KASAN_ALLOCA_LEFT);
- kasan_poison_shadow(right_redzone,
- padding_size + KASAN_ALLOCA_REDZONE_SIZE,
- KASAN_ALLOCA_RIGHT);
+ kasan_unpoison((const void *)(addr + rounded_down_size),
+ size - rounded_down_size, false);
+ kasan_poison(left_redzone, KASAN_ALLOCA_REDZONE_SIZE,
+ KASAN_ALLOCA_LEFT, false);
+ kasan_poison(right_redzone, padding_size + KASAN_ALLOCA_REDZONE_SIZE,
+ KASAN_ALLOCA_RIGHT, false);
}
EXPORT_SYMBOL(__asan_alloca_poison);
@@ -306,7 +306,7 @@ void __asan_allocas_unpoison(const void *stack_top, const void *stack_bottom)
if (unlikely(!stack_top || stack_top > stack_bottom))
return;
- kasan_unpoison_shadow(stack_top, stack_bottom - stack_top);
+ kasan_unpoison(stack_top, stack_bottom - stack_top, false);
}
EXPORT_SYMBOL(__asan_allocas_unpoison);
@@ -329,21 +329,20 @@ void kasan_record_aux_stack(void *addr)
{
struct page *page = kasan_addr_to_page(addr);
struct kmem_cache *cache;
- struct kasan_alloc_meta *alloc_info;
+ struct kasan_alloc_meta *alloc_meta;
void *object;
- if (!(page && PageSlab(page)))
+ if (is_kfence_address(addr) || !(page && PageSlab(page)))
return;
cache = page->slab_cache;
object = nearest_obj(cache, page, addr);
- alloc_info = get_alloc_info(cache, object);
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (!alloc_meta)
+ return;
- /*
- * record the last two call_rcu() call stacks.
- */
- alloc_info->aux_stack[1] = alloc_info->aux_stack[0];
- alloc_info->aux_stack[0] = kasan_save_stack(GFP_NOWAIT);
+ alloc_meta->aux_stack[1] = alloc_meta->aux_stack[0];
+ alloc_meta->aux_stack[0] = kasan_save_stack(GFP_NOWAIT);
}
void kasan_set_free_info(struct kmem_cache *cache,
@@ -351,12 +350,12 @@ void kasan_set_free_info(struct kmem_cache *cache,
{
struct kasan_free_meta *free_meta;
- free_meta = get_free_info(cache, object);
- kasan_set_track(&free_meta->free_track, GFP_NOWAIT);
+ free_meta = kasan_get_free_meta(cache, object);
+ if (!free_meta)
+ return;
- /*
- * the object was freed and has free track set
- */
+ kasan_set_track(&free_meta->free_track, GFP_NOWAIT);
+ /* The object was freed and has free track set. */
*(u8 *)kasan_mem_to_shadow(object) = KASAN_KMALLOC_FREETRACK;
}
@@ -365,5 +364,6 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
{
if (*(u8 *)kasan_mem_to_shadow(object) != KASAN_KMALLOC_FREETRACK)
return NULL;
- return &get_free_info(cache, object)->free_track;
+ /* Free meta must be present with KASAN_KMALLOC_FREETRACK. */
+ return &kasan_get_free_meta(cache, object)->free_track;
}
diff --git a/mm/kasan/generic_report.c b/mm/kasan/generic_report.c
deleted file mode 100644
index a38c7a9..0000000
--- a/mm/kasan/generic_report.c
+++ /dev/null
@@ -1,165 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * This file contains generic KASAN specific error reporting code.
- *
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
- * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
- *
- * Some code borrowed from https://github.com/xairy/kasan-prototype by
- * Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/bitops.h>
-#include <linux/ftrace.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/printk.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/stackdepot.h>
-#include <linux/stacktrace.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/kasan.h>
-#include <linux/module.h>
-
-#include <asm/sections.h>
-
-#include "kasan.h"
-#include "../slab.h"
-
-void *find_first_bad_addr(void *addr, size_t size)
-{
- void *p = addr;
-
- while (p < addr + size && !(*(u8 *)kasan_mem_to_shadow(p)))
- p += KASAN_SHADOW_SCALE_SIZE;
- return p;
-}
-
-static const char *get_shadow_bug_type(struct kasan_access_info *info)
-{
- const char *bug_type = "unknown-crash";
- u8 *shadow_addr;
-
- shadow_addr = (u8 *)kasan_mem_to_shadow(info->first_bad_addr);
-
- /*
- * If shadow byte value is in [0, KASAN_SHADOW_SCALE_SIZE) we can look
- * at the next shadow byte to determine the type of the bad access.
- */
- if (*shadow_addr > 0 && *shadow_addr <= KASAN_SHADOW_SCALE_SIZE - 1)
- shadow_addr++;
-
- switch (*shadow_addr) {
- case 0 ... KASAN_SHADOW_SCALE_SIZE - 1:
- /*
- * In theory it's still possible to see these shadow values
- * due to a data race in the kernel code.
- */
- bug_type = "out-of-bounds";
- break;
- case KASAN_PAGE_REDZONE:
- case KASAN_KMALLOC_REDZONE:
- bug_type = "slab-out-of-bounds";
- break;
- case KASAN_GLOBAL_REDZONE:
- bug_type = "global-out-of-bounds";
- break;
- case KASAN_STACK_LEFT:
- case KASAN_STACK_MID:
- case KASAN_STACK_RIGHT:
- case KASAN_STACK_PARTIAL:
- bug_type = "stack-out-of-bounds";
- break;
- case KASAN_FREE_PAGE:
- case KASAN_KMALLOC_FREE:
- case KASAN_KMALLOC_FREETRACK:
- bug_type = "use-after-free";
- break;
- case KASAN_ALLOCA_LEFT:
- case KASAN_ALLOCA_RIGHT:
- bug_type = "alloca-out-of-bounds";
- break;
- case KASAN_VMALLOC_INVALID:
- bug_type = "vmalloc-out-of-bounds";
- break;
- }
-
- return bug_type;
-}
-
-static const char *get_wild_bug_type(struct kasan_access_info *info)
-{
- const char *bug_type = "unknown-crash";
-
- if ((unsigned long)info->access_addr < PAGE_SIZE)
- bug_type = "null-ptr-deref";
- else if ((unsigned long)info->access_addr < TASK_SIZE)
- bug_type = "user-memory-access";
- else
- bug_type = "wild-memory-access";
-
- return bug_type;
-}
-
-const char *get_bug_type(struct kasan_access_info *info)
-{
- /*
- * If access_size is a negative number, then it has reason to be
- * defined as out-of-bounds bug type.
- *
- * Casting negative numbers to size_t would indeed turn up as
- * a large size_t and its value will be larger than ULONG_MAX/2,
- * so that this can qualify as out-of-bounds.
- */
- if (info->access_addr + info->access_size < info->access_addr)
- return "out-of-bounds";
-
- if (addr_has_shadow(info->access_addr))
- return get_shadow_bug_type(info);
- return get_wild_bug_type(info);
-}
-
-#define DEFINE_ASAN_REPORT_LOAD(size) \
-void __asan_report_load##size##_noabort(unsigned long addr) \
-{ \
- kasan_report(addr, size, false, _RET_IP_); \
-} \
-EXPORT_SYMBOL(__asan_report_load##size##_noabort)
-
-#define DEFINE_ASAN_REPORT_STORE(size) \
-void __asan_report_store##size##_noabort(unsigned long addr) \
-{ \
- kasan_report(addr, size, true, _RET_IP_); \
-} \
-EXPORT_SYMBOL(__asan_report_store##size##_noabort)
-
-DEFINE_ASAN_REPORT_LOAD(1);
-DEFINE_ASAN_REPORT_LOAD(2);
-DEFINE_ASAN_REPORT_LOAD(4);
-DEFINE_ASAN_REPORT_LOAD(8);
-DEFINE_ASAN_REPORT_LOAD(16);
-DEFINE_ASAN_REPORT_STORE(1);
-DEFINE_ASAN_REPORT_STORE(2);
-DEFINE_ASAN_REPORT_STORE(4);
-DEFINE_ASAN_REPORT_STORE(8);
-DEFINE_ASAN_REPORT_STORE(16);
-
-void __asan_report_load_n_noabort(unsigned long addr, size_t size)
-{
- kasan_report(addr, size, false, _RET_IP_);
-}
-EXPORT_SYMBOL(__asan_report_load_n_noabort);
-
-void __asan_report_store_n_noabort(unsigned long addr, size_t size)
-{
- kasan_report(addr, size, true, _RET_IP_);
-}
-EXPORT_SYMBOL(__asan_report_store_n_noabort);
diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c
new file mode 100644
index 0000000..d91e98c
--- /dev/null
+++ b/mm/kasan/hw_tags.c
@@ -0,0 +1,291 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains core hardware tag-based KASAN code.
+ *
+ * Copyright (c) 2020 Google, Inc.
+ * Author: Andrey Konovalov <andreyknvl@google.com>
+ */
+
+#define pr_fmt(fmt) "kasan: " fmt
+
+#include <linux/init.h>
+#include <linux/kasan.h>
+#include <linux/kernel.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/static_key.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include "kasan.h"
+
+enum kasan_arg {
+ KASAN_ARG_DEFAULT,
+ KASAN_ARG_OFF,
+ KASAN_ARG_ON,
+};
+
+enum kasan_arg_mode {
+ KASAN_ARG_MODE_DEFAULT,
+ KASAN_ARG_MODE_SYNC,
+ KASAN_ARG_MODE_ASYNC,
+};
+
+enum kasan_arg_stacktrace {
+ KASAN_ARG_STACKTRACE_DEFAULT,
+ KASAN_ARG_STACKTRACE_OFF,
+ KASAN_ARG_STACKTRACE_ON,
+};
+
+enum kasan_arg_fault {
+ KASAN_ARG_FAULT_DEFAULT,
+ KASAN_ARG_FAULT_REPORT,
+ KASAN_ARG_FAULT_PANIC,
+};
+
+static enum kasan_arg kasan_arg __ro_after_init;
+static enum kasan_arg_mode kasan_arg_mode __ro_after_init;
+static enum kasan_arg_stacktrace kasan_arg_stacktrace __ro_after_init;
+static enum kasan_arg_fault kasan_arg_fault __ro_after_init;
+
+/* Whether KASAN is enabled at all. */
+DEFINE_STATIC_KEY_FALSE(kasan_flag_enabled);
+EXPORT_SYMBOL(kasan_flag_enabled);
+
+/* Whether the asynchronous mode is enabled. */
+bool kasan_flag_async __ro_after_init;
+EXPORT_SYMBOL_GPL(kasan_flag_async);
+
+/* Whether to collect alloc/free stack traces. */
+DEFINE_STATIC_KEY_FALSE(kasan_flag_stacktrace);
+
+/* Whether to panic or print a report and disable tag checking on fault. */
+bool kasan_flag_panic __ro_after_init;
+
+/* kasan=off/on */
+static int __init early_kasan_flag(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ if (!strcmp(arg, "off"))
+ kasan_arg = KASAN_ARG_OFF;
+ else if (!strcmp(arg, "on"))
+ kasan_arg = KASAN_ARG_ON;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+early_param("kasan", early_kasan_flag);
+
+/* kasan.mode=sync/async */
+static int __init early_kasan_mode(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ if (!strcmp(arg, "sync"))
+ kasan_arg_mode = KASAN_ARG_MODE_SYNC;
+ else if (!strcmp(arg, "async"))
+ kasan_arg_mode = KASAN_ARG_MODE_ASYNC;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+early_param("kasan.mode", early_kasan_mode);
+
+/* kasan.stacktrace=off/on */
+static int __init early_kasan_flag_stacktrace(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ if (!strcmp(arg, "off"))
+ kasan_arg_stacktrace = KASAN_ARG_STACKTRACE_OFF;
+ else if (!strcmp(arg, "on"))
+ kasan_arg_stacktrace = KASAN_ARG_STACKTRACE_ON;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+early_param("kasan.stacktrace", early_kasan_flag_stacktrace);
+
+/* kasan.fault=report/panic */
+static int __init early_kasan_fault(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ if (!strcmp(arg, "report"))
+ kasan_arg_fault = KASAN_ARG_FAULT_REPORT;
+ else if (!strcmp(arg, "panic"))
+ kasan_arg_fault = KASAN_ARG_FAULT_PANIC;
+ else
+ return -EINVAL;
+
+ return 0;
+}
+early_param("kasan.fault", early_kasan_fault);
+
+/* kasan_init_hw_tags_cpu() is called for each CPU. */
+void kasan_init_hw_tags_cpu(void)
+{
+ /*
+ * There's no need to check that the hardware is MTE-capable here,
+ * as this function is only called for MTE-capable hardware.
+ */
+
+ /* If KASAN is disabled via command line, don't initialize it. */
+ if (kasan_arg == KASAN_ARG_OFF)
+ return;
+
+ /*
+ * Enable async mode only when explicitly requested through
+ * the command line.
+ */
+ if (kasan_arg_mode == KASAN_ARG_MODE_ASYNC)
+ hw_enable_tagging_async();
+ else
+ hw_enable_tagging_sync();
+}
+
+/* kasan_init_hw_tags() is called once on boot CPU. */
+void __init kasan_init_hw_tags(void)
+{
+ /* If hardware doesn't support MTE, don't initialize KASAN. */
+ if (!system_supports_mte())
+ return;
+
+ /* If KASAN is disabled via command line, don't initialize it. */
+ if (kasan_arg == KASAN_ARG_OFF)
+ return;
+
+ /* Enable KASAN. */
+ static_branch_enable(&kasan_flag_enabled);
+
+ switch (kasan_arg_mode) {
+ case KASAN_ARG_MODE_DEFAULT:
+ /*
+ * Default to sync mode.
+ * Do nothing, kasan_flag_async keeps its default value.
+ */
+ break;
+ case KASAN_ARG_MODE_SYNC:
+ /* Do nothing, kasan_flag_async keeps its default value. */
+ break;
+ case KASAN_ARG_MODE_ASYNC:
+ /* Async mode enabled. */
+ kasan_flag_async = true;
+ break;
+ }
+
+ switch (kasan_arg_stacktrace) {
+ case KASAN_ARG_STACKTRACE_DEFAULT:
+ /* Default to enabling stack trace collection. */
+ static_branch_enable(&kasan_flag_stacktrace);
+ break;
+ case KASAN_ARG_STACKTRACE_OFF:
+ /* Do nothing, kasan_flag_stacktrace keeps its default value. */
+ break;
+ case KASAN_ARG_STACKTRACE_ON:
+ static_branch_enable(&kasan_flag_stacktrace);
+ break;
+ }
+
+ switch (kasan_arg_fault) {
+ case KASAN_ARG_FAULT_DEFAULT:
+ /*
+ * Default to no panic on report.
+ * Do nothing, kasan_flag_panic keeps its default value.
+ */
+ break;
+ case KASAN_ARG_FAULT_REPORT:
+ /* Do nothing, kasan_flag_panic keeps its default value. */
+ break;
+ case KASAN_ARG_FAULT_PANIC:
+ /* Enable panic on report. */
+ kasan_flag_panic = true;
+ break;
+ }
+
+ pr_info("KernelAddressSanitizer initialized\n");
+}
+
+void kasan_set_free_info(struct kmem_cache *cache,
+ void *object, u8 tag)
+{
+ struct kasan_alloc_meta *alloc_meta;
+
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (alloc_meta)
+ kasan_set_track(&alloc_meta->free_track[0], GFP_NOWAIT);
+}
+
+struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
+ void *object, u8 tag)
+{
+ struct kasan_alloc_meta *alloc_meta;
+
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (!alloc_meta)
+ return NULL;
+
+ return &alloc_meta->free_track[0];
+}
+
+void kasan_alloc_pages(struct page *page, unsigned int order, gfp_t flags)
+{
+ /*
+ * This condition should match the one in post_alloc_hook() in
+ * page_alloc.c.
+ */
+ bool init = !want_init_on_free() && want_init_on_alloc(flags);
+
+ if (flags & __GFP_SKIP_KASAN_POISON)
+ SetPageSkipKASanPoison(page);
+
+ if (flags & __GFP_ZEROTAGS) {
+ int i;
+
+ for (i = 0; i != 1 << order; ++i)
+ tag_clear_highpage(page + i);
+ } else {
+ kasan_unpoison_pages(page, order, init);
+ }
+}
+
+void kasan_free_pages(struct page *page, unsigned int order)
+{
+ /*
+ * This condition should match the one in free_pages_prepare() in
+ * page_alloc.c.
+ */
+ bool init = want_init_on_free();
+
+ kasan_poison_pages(page, order, init);
+}
+
+#if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
+
+void kasan_set_tagging_report_once(bool state)
+{
+ hw_set_tagging_report_once(state);
+}
+EXPORT_SYMBOL_GPL(kasan_set_tagging_report_once);
+
+void kasan_enable_tagging_sync(void)
+{
+ hw_enable_tagging_sync();
+}
+EXPORT_SYMBOL_GPL(kasan_enable_tagging_sync);
+
+void kasan_force_async_fault(void)
+{
+ hw_force_async_tag_fault();
+}
+EXPORT_SYMBOL_GPL(kasan_force_async_fault);
+
+#endif
diff --git a/mm/kasan/init.c b/mm/kasan/init.c
index b8c6ec1..c4605ac 100644
--- a/mm/kasan/init.c
+++ b/mm/kasan/init.c
@@ -1,14 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * This file contains some kasan initialization code.
+ * This file contains KASAN shadow initialization code.
*
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
* Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/memblock.h>
@@ -69,7 +64,8 @@ static inline bool kasan_pmd_table(pud_t pud)
return false;
}
#endif
-pte_t kasan_early_shadow_pte[PTRS_PER_PTE] __page_aligned_bss;
+pte_t kasan_early_shadow_pte[PTRS_PER_PTE + PTE_HWTABLE_PTRS]
+ __page_aligned_bss;
static inline bool kasan_pte_table(pmd_t pmd)
{
@@ -449,9 +445,8 @@ void kasan_remove_zero_shadow(void *start, unsigned long size)
addr = (unsigned long)kasan_mem_to_shadow(start);
end = addr + (size >> KASAN_SHADOW_SCALE_SHIFT);
- if (WARN_ON((unsigned long)start %
- (KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)) ||
- WARN_ON(size % (KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)))
+ if (WARN_ON((unsigned long)start % KASAN_MEMORY_PER_SHADOW_PAGE) ||
+ WARN_ON(size % KASAN_MEMORY_PER_SHADOW_PAGE))
return;
for (; addr < end; addr = next) {
@@ -485,9 +480,8 @@ int kasan_add_zero_shadow(void *start, unsigned long size)
shadow_start = kasan_mem_to_shadow(start);
shadow_end = shadow_start + (size >> KASAN_SHADOW_SCALE_SHIFT);
- if (WARN_ON((unsigned long)start %
- (KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)) ||
- WARN_ON(size % (KASAN_SHADOW_SCALE_SIZE * PAGE_SIZE)))
+ if (WARN_ON((unsigned long)start % KASAN_MEMORY_PER_SHADOW_PAGE) ||
+ WARN_ON(size % KASAN_MEMORY_PER_SHADOW_PAGE))
return -EINVAL;
ret = kasan_populate_early_shadow(shadow_start, shadow_end);
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index ac49945..ac88595 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -3,14 +3,54 @@
#define __MM_KASAN_KASAN_H
#include <linux/kasan.h>
+#include <linux/kasan-tags.h>
+#include <linux/kfence.h>
#include <linux/stackdepot.h>
-#define KASAN_SHADOW_SCALE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
-#define KASAN_SHADOW_MASK (KASAN_SHADOW_SCALE_SIZE - 1)
+#ifdef CONFIG_KASAN_HW_TAGS
-#define KASAN_TAG_KERNEL 0xFF /* native kernel pointers tag */
-#define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */
-#define KASAN_TAG_MAX 0xFD /* maximum value for random tags */
+#include <linux/static_key.h>
+#include "../slab.h"
+
+DECLARE_STATIC_KEY_FALSE(kasan_flag_stacktrace);
+extern bool kasan_flag_async __ro_after_init;
+
+static inline bool kasan_stack_collection_enabled(void)
+{
+ return static_branch_unlikely(&kasan_flag_stacktrace);
+}
+
+static inline bool kasan_async_mode_enabled(void)
+{
+ return kasan_flag_async;
+}
+#else
+
+static inline bool kasan_stack_collection_enabled(void)
+{
+ return true;
+}
+
+static inline bool kasan_async_mode_enabled(void)
+{
+ return false;
+}
+
+#endif
+
+extern bool kasan_flag_panic __ro_after_init;
+extern bool kasan_flag_async __ro_after_init;
+
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
+#define KASAN_GRANULE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT)
+#else
+#include <asm/mte-kasan.h>
+#define KASAN_GRANULE_SIZE MTE_GRANULE_SIZE
+#endif
+
+#define KASAN_GRANULE_MASK (KASAN_GRANULE_SIZE - 1)
+
+#define KASAN_MEMORY_PER_SHADOW_PAGE (KASAN_GRANULE_SIZE << PAGE_SHIFT)
#ifdef CONFIG_KASAN_GENERIC
#define KASAN_FREE_PAGE 0xFF /* page was freed */
@@ -56,6 +96,13 @@
#define KASAN_ABI_VERSION 1
#endif
+/* Metadata layout customization. */
+#define META_BYTES_PER_BLOCK 1
+#define META_BLOCKS_PER_ROW 16
+#define META_BYTES_PER_ROW (META_BLOCKS_PER_ROW * META_BYTES_PER_BLOCK)
+#define META_MEM_BYTES_PER_ROW (META_BYTES_PER_ROW * KASAN_GRANULE_SIZE)
+#define META_ROWS_AROUND_ADDR 2
+
struct kasan_access_info {
const void *access_addr;
const void *first_bad_addr;
@@ -108,7 +155,7 @@ struct kasan_alloc_meta {
struct kasan_track alloc_track;
#ifdef CONFIG_KASAN_GENERIC
/*
- * call_rcu() call stack is stored into struct kasan_alloc_meta.
+ * The auxiliary stack is stored into struct kasan_alloc_meta.
* The free stack is stored into struct kasan_free_meta.
*/
depot_stack_handle_t aux_stack[2];
@@ -124,20 +171,33 @@ struct kasan_alloc_meta {
struct qlist_node {
struct qlist_node *next;
};
+
+/*
+ * Generic mode either stores free meta in the object itself or in the redzone
+ * after the object. In the former case free meta offset is 0, in the latter
+ * case it has some sane value smaller than INT_MAX. Use INT_MAX as free meta
+ * offset when free meta isn't present.
+ */
+#define KASAN_NO_FREE_META INT_MAX
+
struct kasan_free_meta {
+#ifdef CONFIG_KASAN_GENERIC
/* This field is used while the object is in the quarantine.
* Otherwise it might be used for the allocator freelist.
*/
struct qlist_node quarantine_link;
-#ifdef CONFIG_KASAN_GENERIC
struct kasan_track free_track;
#endif
};
-struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache,
- const void *object);
-struct kasan_free_meta *get_free_info(struct kmem_cache *cache,
- const void *object);
+struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache,
+ const void *object);
+#ifdef CONFIG_KASAN_GENERIC
+struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache,
+ const void *object);
+#endif
+
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
{
@@ -145,26 +205,46 @@ static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
<< KASAN_SHADOW_SCALE_SHIFT);
}
-static inline bool addr_has_shadow(const void *addr)
+static inline bool addr_has_metadata(const void *addr)
{
return (addr >= kasan_shadow_to_mem((void *)KASAN_SHADOW_START));
}
-void kasan_poison_shadow(const void *address, size_t size, u8 value);
-
/**
- * check_memory_region - Check memory region, and report if invalid access.
+ * kasan_check_range - Check memory region, and report if invalid access.
* @addr: the accessed address
* @size: the accessed size
* @write: true if access is a write access
* @ret_ip: return address
* @return: true if access was valid, false if invalid
*/
-bool check_memory_region(unsigned long addr, size_t size, bool write,
+bool kasan_check_range(unsigned long addr, size_t size, bool write,
unsigned long ret_ip);
-void *find_first_bad_addr(void *addr, size_t size);
-const char *get_bug_type(struct kasan_access_info *info);
+#else /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
+
+static inline bool addr_has_metadata(const void *addr)
+{
+ return (is_vmalloc_addr(addr) || virt_addr_valid(addr));
+}
+
+#endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
+
+#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
+void kasan_print_tags(u8 addr_tag, const void *addr);
+#else
+static inline void kasan_print_tags(u8 addr_tag, const void *addr) { }
+#endif
+
+void *kasan_find_first_bad_addr(void *addr, size_t size);
+const char *kasan_get_bug_type(struct kasan_access_info *info);
+void kasan_metadata_fetch_row(char *buffer, void *row);
+
+#if defined(CONFIG_KASAN_GENERIC) && defined(CONFIG_KASAN_STACK)
+void kasan_print_address_stack_frame(const void *addr);
+#else
+static inline void kasan_print_address_stack_frame(const void *addr) { }
+#endif
bool kasan_report(unsigned long addr, size_t size,
bool is_write, unsigned long ip);
@@ -180,31 +260,13 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
#if defined(CONFIG_KASAN_GENERIC) && \
(defined(CONFIG_SLAB) || defined(CONFIG_SLUB))
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache);
-void quarantine_reduce(void);
-void quarantine_remove_cache(struct kmem_cache *cache);
+bool kasan_quarantine_put(struct kmem_cache *cache, void *object);
+void kasan_quarantine_reduce(void);
+void kasan_quarantine_remove_cache(struct kmem_cache *cache);
#else
-static inline void quarantine_put(struct kasan_free_meta *info,
- struct kmem_cache *cache) { }
-static inline void quarantine_reduce(void) { }
-static inline void quarantine_remove_cache(struct kmem_cache *cache) { }
-#endif
-
-#ifdef CONFIG_KASAN_SW_TAGS
-
-void print_tags(u8 addr_tag, const void *addr);
-
-u8 random_tag(void);
-
-#else
-
-static inline void print_tags(u8 addr_tag, const void *addr) { }
-
-static inline u8 random_tag(void)
-{
- return 0;
-}
-
+static inline bool kasan_quarantine_put(struct kmem_cache *cache, void *object) { return false; }
+static inline void kasan_quarantine_reduce(void) { }
+static inline void kasan_quarantine_remove_cache(struct kmem_cache *cache) { }
#endif
#ifndef arch_kasan_set_tag
@@ -213,17 +275,179 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag)
return addr;
}
#endif
-#ifndef arch_kasan_reset_tag
-#define arch_kasan_reset_tag(addr) ((void *)(addr))
-#endif
#ifndef arch_kasan_get_tag
#define arch_kasan_get_tag(addr) 0
#endif
#define set_tag(addr, tag) ((void *)arch_kasan_set_tag((addr), (tag)))
-#define reset_tag(addr) ((void *)arch_kasan_reset_tag(addr))
#define get_tag(addr) arch_kasan_get_tag(addr)
+#ifdef CONFIG_KASAN_HW_TAGS
+
+#ifndef arch_enable_tagging_sync
+#define arch_enable_tagging_sync()
+#endif
+#ifndef arch_enable_tagging_async
+#define arch_enable_tagging_async()
+#endif
+#ifndef arch_set_tagging_report_once
+#define arch_set_tagging_report_once(state)
+#endif
+#ifndef arch_force_async_tag_fault
+#define arch_force_async_tag_fault()
+#endif
+#ifndef arch_get_random_tag
+#define arch_get_random_tag() (0xFF)
+#endif
+#ifndef arch_get_mem_tag
+#define arch_get_mem_tag(addr) (0xFF)
+#endif
+#ifndef arch_set_mem_tag_range
+#define arch_set_mem_tag_range(addr, size, tag, init) ((void *)(addr))
+#endif
+
+#define hw_enable_tagging_sync() arch_enable_tagging_sync()
+#define hw_enable_tagging_async() arch_enable_tagging_async()
+#define hw_set_tagging_report_once(state) arch_set_tagging_report_once(state)
+#define hw_force_async_tag_fault() arch_force_async_tag_fault()
+#define hw_get_random_tag() arch_get_random_tag()
+#define hw_get_mem_tag(addr) arch_get_mem_tag(addr)
+#define hw_set_mem_tag_range(addr, size, tag, init) \
+ arch_set_mem_tag_range((addr), (size), (tag), (init))
+
+#else /* CONFIG_KASAN_HW_TAGS */
+
+#define hw_enable_tagging_sync()
+#define hw_enable_tagging_async()
+#define hw_set_tagging_report_once(state)
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+#if defined(CONFIG_KASAN_HW_TAGS) && IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
+
+void kasan_set_tagging_report_once(bool state);
+void kasan_enable_tagging_sync(void);
+void kasan_force_async_fault(void);
+
+#else /* CONFIG_KASAN_HW_TAGS || CONFIG_KASAN_KUNIT_TEST */
+
+static inline void kasan_set_tagging_report_once(bool state) { }
+static inline void kasan_enable_tagging_sync(void) { }
+static inline void kasan_force_async_fault(void) { }
+
+#endif /* CONFIG_KASAN_HW_TAGS || CONFIG_KASAN_KUNIT_TEST */
+
+#ifdef CONFIG_KASAN_SW_TAGS
+u8 kasan_random_tag(void);
+#elif defined(CONFIG_KASAN_HW_TAGS)
+static inline u8 kasan_random_tag(void) { return hw_get_random_tag(); }
+#else
+static inline u8 kasan_random_tag(void) { return 0; }
+#endif
+
+#ifdef CONFIG_KASAN_HW_TAGS
+
+static inline void kasan_poison(const void *addr, size_t size, u8 value, bool init)
+{
+ addr = kasan_reset_tag(addr);
+
+ /* Skip KFENCE memory if called explicitly outside of sl*b. */
+ if (is_kfence_address(addr))
+ return;
+
+ if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+ return;
+ if (WARN_ON(size & KASAN_GRANULE_MASK))
+ return;
+
+ hw_set_mem_tag_range((void *)addr, size, value, init);
+}
+
+static inline void kasan_unpoison(const void *addr, size_t size, bool init)
+{
+ u8 tag = get_tag(addr);
+
+ addr = kasan_reset_tag(addr);
+
+ /* Skip KFENCE memory if called explicitly outside of sl*b. */
+ if (is_kfence_address(addr))
+ return;
+
+ if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+ return;
+ /*
+ * Explicitly initialize the memory with the precise object size to
+ * avoid overwriting the SLAB redzone. This disables initialization in
+ * the arch code and may thus lead to performance penalty. The penalty
+ * is accepted since SLAB redzones aren't enabled in production builds.
+ */
+ if (__slub_debug_enabled() &&
+ init && ((unsigned long)size & KASAN_GRANULE_MASK)) {
+ init = false;
+ memzero_explicit((void *)addr, size);
+ }
+ size = round_up(size, KASAN_GRANULE_SIZE);
+
+ hw_set_mem_tag_range((void *)addr, size, tag, init);
+}
+
+static inline bool kasan_byte_accessible(const void *addr)
+{
+ u8 ptr_tag = get_tag(addr);
+ u8 mem_tag = hw_get_mem_tag((void *)addr);
+
+ return ptr_tag == KASAN_TAG_KERNEL || ptr_tag == mem_tag;
+}
+
+#else /* CONFIG_KASAN_HW_TAGS */
+
+/**
+ * kasan_poison - mark the memory range as unaccessible
+ * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
+ * @size - range size, must be aligned to KASAN_GRANULE_SIZE
+ * @value - value that's written to metadata for the range
+ * @init - whether to initialize the memory range (only for hardware tag-based)
+ *
+ * The size gets aligned to KASAN_GRANULE_SIZE before marking the range.
+ */
+void kasan_poison(const void *addr, size_t size, u8 value, bool init);
+
+/**
+ * kasan_unpoison - mark the memory range as accessible
+ * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
+ * @size - range size, can be unaligned
+ * @init - whether to initialize the memory range (only for hardware tag-based)
+ *
+ * For the tag-based modes, the @size gets aligned to KASAN_GRANULE_SIZE before
+ * marking the range.
+ * For the generic mode, the last granule of the memory range gets partially
+ * unpoisoned based on the @size.
+ */
+void kasan_unpoison(const void *addr, size_t size, bool init);
+
+bool kasan_byte_accessible(const void *addr);
+
+#endif /* CONFIG_KASAN_HW_TAGS */
+
+#ifdef CONFIG_KASAN_GENERIC
+
+/**
+ * kasan_poison_last_granule - mark the last granule of the memory range as
+ * unaccessible
+ * @addr - range start address, must be aligned to KASAN_GRANULE_SIZE
+ * @size - range size
+ *
+ * This function is only available for the generic mode, as it's the only mode
+ * that has partially poisoned memory granules.
+ */
+void kasan_poison_last_granule(const void *address, size_t size);
+
+#else /* CONFIG_KASAN_GENERIC */
+
+static inline void kasan_poison_last_granule(const void *address, size_t size) { }
+
+#endif /* CONFIG_KASAN_GENERIC */
+
/*
* Exported functions for interfaces called from assembly or from generated
* code. Declarations here to avoid warning about missing declarations.
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 0e3f849..728fb24 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -6,16 +6,6 @@
* Copyright (C) 2016 Google, Inc.
*
* Based on code by Dmitry Chernenkov.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
*/
#include <linux/gfp.h>
@@ -147,7 +137,12 @@ static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache)
if (IS_ENABLED(CONFIG_SLAB))
local_irq_save(flags);
+ /*
+ * As the object now gets freed from the quaratine, assume that its
+ * free track is no longer valid.
+ */
*(u8 *)kasan_mem_to_shadow(object) = KASAN_KMALLOC_FREE;
+
___cache_free(cache, object, _THIS_IP_);
if (IS_ENABLED(CONFIG_SLAB))
@@ -173,28 +168,36 @@ static void qlist_free_all(struct qlist_head *q, struct kmem_cache *cache)
qlist_init(q);
}
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache)
+bool kasan_quarantine_put(struct kmem_cache *cache, void *object)
{
unsigned long flags;
struct qlist_head *q;
struct qlist_head temp = QLIST_INIT;
+ struct kasan_free_meta *meta = kasan_get_free_meta(cache, object);
+
+ /*
+ * If there's no metadata for this object, don't put it into
+ * quarantine.
+ */
+ if (!meta)
+ return false;
/*
* Note: irq must be disabled until after we move the batch to the
- * global quarantine. Otherwise quarantine_remove_cache() can miss
- * some objects belonging to the cache if they are in our local temp
- * list. quarantine_remove_cache() executes on_each_cpu() at the
- * beginning which ensures that it either sees the objects in per-cpu
- * lists or in the global quarantine.
+ * global quarantine. Otherwise kasan_quarantine_remove_cache() can
+ * miss some objects belonging to the cache if they are in our local
+ * temp list. kasan_quarantine_remove_cache() executes on_each_cpu()
+ * at the beginning which ensures that it either sees the objects in
+ * per-cpu lists or in the global quarantine.
*/
local_irq_save(flags);
q = this_cpu_ptr(&cpu_quarantine);
if (q->offline) {
local_irq_restore(flags);
- return;
+ return false;
}
- qlist_put(q, &info->quarantine_link, cache->size);
+ qlist_put(q, &meta->quarantine_link, cache->size);
if (unlikely(q->bytes > QUARANTINE_PERCPU_SIZE)) {
qlist_move_all(q, &temp);
@@ -215,9 +218,11 @@ void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache)
}
local_irq_restore(flags);
+
+ return true;
}
-void quarantine_reduce(void)
+void kasan_quarantine_reduce(void)
{
size_t total_size, new_quarantine_size, percpu_quarantines;
unsigned long flags;
@@ -229,7 +234,7 @@ void quarantine_reduce(void)
return;
/*
- * srcu critical section ensures that quarantine_remove_cache()
+ * srcu critical section ensures that kasan_quarantine_remove_cache()
* will not miss objects belonging to the cache while they are in our
* local to_free list. srcu is chosen because (1) it gives us private
* grace period domain that does not interfere with anything else,
@@ -304,15 +309,15 @@ static void per_cpu_remove_cache(void *arg)
}
/* Free all quarantined objects belonging to cache. */
-void quarantine_remove_cache(struct kmem_cache *cache)
+void kasan_quarantine_remove_cache(struct kmem_cache *cache)
{
unsigned long flags, i;
struct qlist_head to_free = QLIST_INIT;
/*
* Must be careful to not miss any objects that are being moved from
- * per-cpu list to the global quarantine in quarantine_put(),
- * nor objects being freed in quarantine_reduce(). on_each_cpu()
+ * per-cpu list to the global quarantine in kasan_quarantine_put(),
+ * nor objects being freed in kasan_quarantine_reduce(). on_each_cpu()
* achieves the first goal, while synchronize_srcu() achieves the
* second.
*/
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 00a53f1..8fff182 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -1,17 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * This file contains common generic and tag-based KASAN error reporting code.
+ * This file contains common KASAN error reporting code.
*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
* Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
*
* Some code borrowed from https://github.com/xairy/kasan-prototype by
* Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/bitops.h>
@@ -30,6 +25,7 @@
#include <linux/module.h>
#include <linux/sched/task_stack.h>
#include <linux/uaccess.h>
+#include <trace/events/error_report.h>
#include <asm/sections.h>
@@ -38,12 +34,6 @@
#include "kasan.h"
#include "../slab.h"
-/* Shadow layout customization. */
-#define SHADOW_BYTES_PER_BLOCK 1
-#define SHADOW_BLOCKS_PER_ROW 16
-#define SHADOW_BYTES_PER_ROW (SHADOW_BLOCKS_PER_ROW * SHADOW_BYTES_PER_BLOCK)
-#define SHADOW_ROWS_AROUND_ADDR 2
-
static unsigned long kasan_flags;
#define KASAN_BIT_REPORTED 0
@@ -72,10 +62,15 @@ __setup("kasan_multi_shot", kasan_set_multi_shot);
static void print_error_description(struct kasan_access_info *info)
{
pr_err("BUG: KASAN: %s in %pS\n",
- get_bug_type(info), (void *)info->ip);
- pr_err("%s of size %zu at addr %px by task %s/%d\n",
- info->is_write ? "Write" : "Read", info->access_size,
- info->access_addr, current->comm, task_pid_nr(current));
+ kasan_get_bug_type(info), (void *)info->ip);
+ if (info->access_size)
+ pr_err("%s of size %zu at addr %px by task %s/%d\n",
+ info->is_write ? "Write" : "Read", info->access_size,
+ info->access_addr, current->comm, task_pid_nr(current));
+ else
+ pr_err("%s at addr %px by task %s/%d\n",
+ info->is_write ? "Write" : "Read",
+ info->access_addr, current->comm, task_pid_nr(current));
}
static DEFINE_SPINLOCK(report_lock);
@@ -90,8 +85,10 @@ static void start_report(unsigned long *flags)
pr_err("==================================================================\n");
}
-static void end_report(unsigned long *flags)
+static void end_report(unsigned long *flags, unsigned long addr)
{
+ if (!kasan_async_mode_enabled())
+ trace_error_report_end(ERROR_DETECTOR_KASAN, addr);
pr_err("==================================================================\n");
add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
spin_unlock_irqrestore(&report_lock, *flags);
@@ -105,6 +102,10 @@ static void end_report(unsigned long *flags)
panic_on_warn = 0;
panic("panic_on_warn set ...\n");
}
+#ifdef CONFIG_KASAN_HW_TAGS
+ if (kasan_flag_panic)
+ panic("kasan.fault=panic set ...\n");
+#endif
kasan_enable_current();
}
@@ -167,36 +168,45 @@ static void describe_object_addr(struct kmem_cache *cache, void *object,
(void *)(object_addr + cache->object_size));
}
+static void describe_object_stacks(struct kmem_cache *cache, void *object,
+ const void *addr, u8 tag)
+{
+ struct kasan_alloc_meta *alloc_meta;
+ struct kasan_track *free_track;
+
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (alloc_meta) {
+ print_track(&alloc_meta->alloc_track, "Allocated");
+ pr_err("\n");
+ }
+
+ free_track = kasan_get_free_track(cache, object, tag);
+ if (free_track) {
+ print_track(free_track, "Freed");
+ pr_err("\n");
+ }
+
+#ifdef CONFIG_KASAN_GENERIC
+ if (!alloc_meta)
+ return;
+ if (alloc_meta->aux_stack[0]) {
+ pr_err("Last potentially related work creation:\n");
+ print_stack(alloc_meta->aux_stack[0]);
+ pr_err("\n");
+ }
+ if (alloc_meta->aux_stack[1]) {
+ pr_err("Second to last potentially related work creation:\n");
+ print_stack(alloc_meta->aux_stack[1]);
+ pr_err("\n");
+ }
+#endif
+}
+
static void describe_object(struct kmem_cache *cache, void *object,
const void *addr, u8 tag)
{
- struct kasan_alloc_meta *alloc_info = get_alloc_info(cache, object);
-
- if (cache->flags & SLAB_KASAN) {
- struct kasan_track *free_track;
-
- print_track(&alloc_info->alloc_track, "Allocated");
- pr_err("\n");
- free_track = kasan_get_free_track(cache, object, tag);
- if (free_track) {
- print_track(free_track, "Freed");
- pr_err("\n");
- }
-
-#ifdef CONFIG_KASAN_GENERIC
- if (alloc_info->aux_stack[0]) {
- pr_err("Last call_rcu():\n");
- print_stack(alloc_info->aux_stack[0]);
- pr_err("\n");
- }
- if (alloc_info->aux_stack[1]) {
- pr_err("Second to last call_rcu():\n");
- print_stack(alloc_info->aux_stack[1]);
- pr_err("\n");
- }
-#endif
- }
-
+ if (kasan_stack_collection_enabled())
+ describe_object_stacks(cache, object, addr, tag);
describe_object_addr(cache, object, addr);
}
@@ -216,173 +226,11 @@ static inline bool init_task_stack_addr(const void *addr)
sizeof(init_thread_union.stack));
}
-static bool __must_check tokenize_frame_descr(const char **frame_descr,
- char *token, size_t max_tok_len,
- unsigned long *value)
-{
- const char *sep = strchr(*frame_descr, ' ');
-
- if (sep == NULL)
- sep = *frame_descr + strlen(*frame_descr);
-
- if (token != NULL) {
- const size_t tok_len = sep - *frame_descr;
-
- if (tok_len + 1 > max_tok_len) {
- pr_err("KASAN internal error: frame description too long: %s\n",
- *frame_descr);
- return false;
- }
-
- /* Copy token (+ 1 byte for '\0'). */
- strlcpy(token, *frame_descr, tok_len + 1);
- }
-
- /* Advance frame_descr past separator. */
- *frame_descr = sep + 1;
-
- if (value != NULL && kstrtoul(token, 10, value)) {
- pr_err("KASAN internal error: not a valid number: %s\n", token);
- return false;
- }
-
- return true;
-}
-
-static void print_decoded_frame_descr(const char *frame_descr)
-{
- /*
- * We need to parse the following string:
- * "n alloc_1 alloc_2 ... alloc_n"
- * where alloc_i looks like
- * "offset size len name"
- * or "offset size len name:line".
- */
-
- char token[64];
- unsigned long num_objects;
-
- if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
- &num_objects))
- return;
-
- pr_err("\n");
- pr_err("this frame has %lu %s:\n", num_objects,
- num_objects == 1 ? "object" : "objects");
-
- while (num_objects--) {
- unsigned long offset;
- unsigned long size;
-
- /* access offset */
- if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
- &offset))
- return;
- /* access size */
- if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
- &size))
- return;
- /* name length (unused) */
- if (!tokenize_frame_descr(&frame_descr, NULL, 0, NULL))
- return;
- /* object name */
- if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
- NULL))
- return;
-
- /* Strip line number; without filename it's not very helpful. */
- strreplace(token, ':', '\0');
-
- /* Finally, print object information. */
- pr_err(" [%lu, %lu) '%s'", offset, offset + size, token);
- }
-}
-
-static bool __must_check get_address_stack_frame_info(const void *addr,
- unsigned long *offset,
- const char **frame_descr,
- const void **frame_pc)
-{
- unsigned long aligned_addr;
- unsigned long mem_ptr;
- const u8 *shadow_bottom;
- const u8 *shadow_ptr;
- const unsigned long *frame;
-
- BUILD_BUG_ON(IS_ENABLED(CONFIG_STACK_GROWSUP));
-
- /*
- * NOTE: We currently only support printing frame information for
- * accesses to the task's own stack.
- */
- if (!object_is_on_stack(addr))
- return false;
-
- aligned_addr = round_down((unsigned long)addr, sizeof(long));
- mem_ptr = round_down(aligned_addr, KASAN_SHADOW_SCALE_SIZE);
- shadow_ptr = kasan_mem_to_shadow((void *)aligned_addr);
- shadow_bottom = kasan_mem_to_shadow(end_of_stack(current));
-
- while (shadow_ptr >= shadow_bottom && *shadow_ptr != KASAN_STACK_LEFT) {
- shadow_ptr--;
- mem_ptr -= KASAN_SHADOW_SCALE_SIZE;
- }
-
- while (shadow_ptr >= shadow_bottom && *shadow_ptr == KASAN_STACK_LEFT) {
- shadow_ptr--;
- mem_ptr -= KASAN_SHADOW_SCALE_SIZE;
- }
-
- if (shadow_ptr < shadow_bottom)
- return false;
-
- frame = (const unsigned long *)(mem_ptr + KASAN_SHADOW_SCALE_SIZE);
- if (frame[0] != KASAN_CURRENT_STACK_FRAME_MAGIC) {
- pr_err("KASAN internal error: frame info validation failed; invalid marker: %lu\n",
- frame[0]);
- return false;
- }
-
- *offset = (unsigned long)addr - (unsigned long)frame;
- *frame_descr = (const char *)frame[1];
- *frame_pc = (void *)frame[2];
-
- return true;
-}
-
-static void print_address_stack_frame(const void *addr)
-{
- unsigned long offset;
- const char *frame_descr;
- const void *frame_pc;
-
- if (IS_ENABLED(CONFIG_KASAN_SW_TAGS))
- return;
-
- if (!get_address_stack_frame_info(addr, &offset, &frame_descr,
- &frame_pc))
- return;
-
- /*
- * get_address_stack_frame_info only returns true if the given addr is
- * on the current task's stack.
- */
- pr_err("\n");
- pr_err("addr %px is located in stack of task %s/%d at offset %lu in frame:\n",
- addr, current->comm, task_pid_nr(current), offset);
- pr_err(" %pS\n", frame_pc);
-
- if (!frame_descr)
- return;
-
- print_decoded_frame_descr(frame_descr);
-}
-
static void print_address_description(void *addr, u8 tag)
{
struct page *page = kasan_addr_to_page(addr);
- dump_stack();
+ dump_stack_lvl(KERN_ERR);
pr_err("\n");
if (page && PageSlab(page)) {
@@ -402,65 +250,71 @@ static void print_address_description(void *addr, u8 tag)
dump_page(page, "kasan: bad access detected");
}
- print_address_stack_frame(addr);
+ kasan_print_address_stack_frame(addr);
}
-static bool row_is_guilty(const void *row, const void *guilty)
+static bool meta_row_is_guilty(const void *row, const void *addr)
{
- return (row <= guilty) && (guilty < row + SHADOW_BYTES_PER_ROW);
+ return (row <= addr) && (addr < row + META_MEM_BYTES_PER_ROW);
}
-static int shadow_pointer_offset(const void *row, const void *shadow)
+static int meta_pointer_offset(const void *row, const void *addr)
{
- /* The length of ">ff00ff00ff00ff00: " is
- * 3 + (BITS_PER_LONG/8)*2 chars.
+ /*
+ * Memory state around the buggy address:
+ * ff00ff00ff00ff00: 00 00 00 05 fe fe fe fe fe fe fe fe fe fe fe fe
+ * ...
+ *
+ * The length of ">ff00ff00ff00ff00: " is
+ * 3 + (BITS_PER_LONG / 8) * 2 chars.
+ * The length of each granule metadata is 2 bytes
+ * plus 1 byte for space.
*/
- return 3 + (BITS_PER_LONG/8)*2 + (shadow - row)*2 +
- (shadow - row) / SHADOW_BYTES_PER_BLOCK + 1;
+ return 3 + (BITS_PER_LONG / 8) * 2 +
+ (addr - row) / KASAN_GRANULE_SIZE * 3 + 1;
}
-static void print_shadow_for_address(const void *addr)
+static void print_memory_metadata(const void *addr)
{
int i;
- const void *shadow = kasan_mem_to_shadow(addr);
- const void *shadow_row;
+ void *row;
- shadow_row = (void *)round_down((unsigned long)shadow,
- SHADOW_BYTES_PER_ROW)
- - SHADOW_ROWS_AROUND_ADDR * SHADOW_BYTES_PER_ROW;
+ row = (void *)round_down((unsigned long)addr, META_MEM_BYTES_PER_ROW)
+ - META_ROWS_AROUND_ADDR * META_MEM_BYTES_PER_ROW;
pr_err("Memory state around the buggy address:\n");
- for (i = -SHADOW_ROWS_AROUND_ADDR; i <= SHADOW_ROWS_AROUND_ADDR; i++) {
- const void *kaddr = kasan_shadow_to_mem(shadow_row);
- char buffer[4 + (BITS_PER_LONG/8)*2];
- char shadow_buf[SHADOW_BYTES_PER_ROW];
+ for (i = -META_ROWS_AROUND_ADDR; i <= META_ROWS_AROUND_ADDR; i++) {
+ char buffer[4 + (BITS_PER_LONG / 8) * 2];
+ char metadata[META_BYTES_PER_ROW];
snprintf(buffer, sizeof(buffer),
- (i == 0) ? ">%px: " : " %px: ", kaddr);
+ (i == 0) ? ">%px: " : " %px: ", row);
+
/*
* We should not pass a shadow pointer to generic
* function, because generic functions may try to
* access kasan mapping for the passed address.
*/
- memcpy(shadow_buf, shadow_row, SHADOW_BYTES_PER_ROW);
+ kasan_metadata_fetch_row(&metadata[0], row);
+
print_hex_dump(KERN_ERR, buffer,
- DUMP_PREFIX_NONE, SHADOW_BYTES_PER_ROW, 1,
- shadow_buf, SHADOW_BYTES_PER_ROW, 0);
+ DUMP_PREFIX_NONE, META_BYTES_PER_ROW, 1,
+ metadata, META_BYTES_PER_ROW, 0);
- if (row_is_guilty(shadow_row, shadow))
- pr_err("%*c\n",
- shadow_pointer_offset(shadow_row, shadow),
- '^');
+ if (meta_row_is_guilty(row, addr))
+ pr_err("%*c\n", meta_pointer_offset(row, addr), '^');
- shadow_row += SHADOW_BYTES_PER_ROW;
+ row += META_MEM_BYTES_PER_ROW;
}
}
static bool report_enabled(void)
{
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
if (current->kasan_depth)
return false;
+#endif
if (test_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags))
return true;
return !test_and_set_bit(KASAN_BIT_REPORTED, &kasan_flags);
@@ -480,7 +334,7 @@ static void kasan_update_kunit_status(struct kunit *cur_test)
}
kasan_data = (struct kunit_kasan_expectation *)resource->data;
- kasan_data->report_found = true;
+ WRITE_ONCE(kasan_data->report_found, true);
kunit_put_resource(resource);
}
#endif /* IS_ENABLED(CONFIG_KUNIT) */
@@ -490,7 +344,7 @@ void kasan_report_invalid_free(void *object, unsigned long ip)
unsigned long flags;
u8 tag = get_tag(object);
- object = reset_tag(object);
+ object = kasan_reset_tag(object);
#if IS_ENABLED(CONFIG_KUNIT)
if (current->kunit_test)
@@ -499,14 +353,33 @@ void kasan_report_invalid_free(void *object, unsigned long ip)
start_report(&flags);
pr_err("BUG: KASAN: double-free or invalid-free in %pS\n", (void *)ip);
- print_tags(tag, object);
+ kasan_print_tags(tag, object);
pr_err("\n");
print_address_description(object, tag);
pr_err("\n");
- print_shadow_for_address(object);
- end_report(&flags);
+ print_memory_metadata(object);
+ end_report(&flags, (unsigned long)object);
}
+#ifdef CONFIG_KASAN_HW_TAGS
+void kasan_report_async(void)
+{
+ unsigned long flags;
+
+#if IS_ENABLED(CONFIG_KUNIT)
+ if (current->kunit_test)
+ kasan_update_kunit_status(current->kunit_test);
+#endif /* IS_ENABLED(CONFIG_KUNIT) */
+
+ start_report(&flags);
+ pr_err("BUG: KASAN: invalid-access\n");
+ pr_err("Asynchronous mode enabled: no access details available\n");
+ pr_err("\n");
+ dump_stack_lvl(KERN_ERR);
+ end_report(&flags, 0);
+}
+#endif /* CONFIG_KASAN_HW_TAGS */
+
static void __kasan_report(unsigned long addr, size_t size, bool is_write,
unsigned long ip)
{
@@ -523,11 +396,12 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write,
disable_trace_on_warning();
tagged_addr = (void *)addr;
- untagged_addr = reset_tag(tagged_addr);
+ untagged_addr = kasan_reset_tag(tagged_addr);
info.access_addr = tagged_addr;
- if (addr_has_shadow(untagged_addr))
- info.first_bad_addr = find_first_bad_addr(tagged_addr, size);
+ if (addr_has_metadata(untagged_addr))
+ info.first_bad_addr =
+ kasan_find_first_bad_addr(tagged_addr, size);
else
info.first_bad_addr = untagged_addr;
info.access_size = size;
@@ -537,19 +411,19 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write,
start_report(&flags);
print_error_description(&info);
- if (addr_has_shadow(untagged_addr))
- print_tags(get_tag(tagged_addr), info.first_bad_addr);
+ if (addr_has_metadata(untagged_addr))
+ kasan_print_tags(get_tag(tagged_addr), info.first_bad_addr);
pr_err("\n");
- if (addr_has_shadow(untagged_addr)) {
+ if (addr_has_metadata(untagged_addr)) {
print_address_description(untagged_addr, get_tag(tagged_addr));
pr_err("\n");
- print_shadow_for_address(info.first_bad_addr);
+ print_memory_metadata(info.first_bad_addr);
} else {
- dump_stack();
+ dump_stack_lvl(KERN_ERR);
}
- end_report(&flags);
+ end_report(&flags, addr);
}
bool kasan_report(unsigned long addr, size_t size, bool is_write,
@@ -604,6 +478,6 @@ void kasan_non_canonical_hook(unsigned long addr)
else
bug_type = "maybe wild-memory-access";
pr_alert("KASAN: %s in range [0x%016lx-0x%016lx]\n", bug_type,
- orig_addr, orig_addr + KASAN_SHADOW_MASK);
+ orig_addr, orig_addr + KASAN_GRANULE_SIZE - 1);
}
#endif
diff --git a/mm/kasan/report_generic.c b/mm/kasan/report_generic.c
new file mode 100644
index 0000000..139615e
--- /dev/null
+++ b/mm/kasan/report_generic.c
@@ -0,0 +1,327 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains generic KASAN specific error reporting code.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
+ *
+ * Some code borrowed from https://github.com/xairy/kasan-prototype by
+ * Andrey Konovalov <andreyknvl@gmail.com>
+ */
+
+#include <linux/bitops.h>
+#include <linux/ftrace.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/printk.h>
+#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
+#include <linux/slab.h>
+#include <linux/stackdepot.h>
+#include <linux/stacktrace.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/kasan.h>
+#include <linux/module.h>
+
+#include <asm/sections.h>
+
+#include "kasan.h"
+#include "../slab.h"
+
+void *kasan_find_first_bad_addr(void *addr, size_t size)
+{
+ void *p = addr;
+
+ while (p < addr + size && !(*(u8 *)kasan_mem_to_shadow(p)))
+ p += KASAN_GRANULE_SIZE;
+ return p;
+}
+
+static const char *get_shadow_bug_type(struct kasan_access_info *info)
+{
+ const char *bug_type = "unknown-crash";
+ u8 *shadow_addr;
+
+ shadow_addr = (u8 *)kasan_mem_to_shadow(info->first_bad_addr);
+
+ /*
+ * If shadow byte value is in [0, KASAN_GRANULE_SIZE) we can look
+ * at the next shadow byte to determine the type of the bad access.
+ */
+ if (*shadow_addr > 0 && *shadow_addr <= KASAN_GRANULE_SIZE - 1)
+ shadow_addr++;
+
+ switch (*shadow_addr) {
+ case 0 ... KASAN_GRANULE_SIZE - 1:
+ /*
+ * In theory it's still possible to see these shadow values
+ * due to a data race in the kernel code.
+ */
+ bug_type = "out-of-bounds";
+ break;
+ case KASAN_PAGE_REDZONE:
+ case KASAN_KMALLOC_REDZONE:
+ bug_type = "slab-out-of-bounds";
+ break;
+ case KASAN_GLOBAL_REDZONE:
+ bug_type = "global-out-of-bounds";
+ break;
+ case KASAN_STACK_LEFT:
+ case KASAN_STACK_MID:
+ case KASAN_STACK_RIGHT:
+ case KASAN_STACK_PARTIAL:
+ bug_type = "stack-out-of-bounds";
+ break;
+ case KASAN_FREE_PAGE:
+ case KASAN_KMALLOC_FREE:
+ case KASAN_KMALLOC_FREETRACK:
+ bug_type = "use-after-free";
+ break;
+ case KASAN_ALLOCA_LEFT:
+ case KASAN_ALLOCA_RIGHT:
+ bug_type = "alloca-out-of-bounds";
+ break;
+ case KASAN_VMALLOC_INVALID:
+ bug_type = "vmalloc-out-of-bounds";
+ break;
+ }
+
+ return bug_type;
+}
+
+static const char *get_wild_bug_type(struct kasan_access_info *info)
+{
+ const char *bug_type = "unknown-crash";
+
+ if ((unsigned long)info->access_addr < PAGE_SIZE)
+ bug_type = "null-ptr-deref";
+ else if ((unsigned long)info->access_addr < TASK_SIZE)
+ bug_type = "user-memory-access";
+ else
+ bug_type = "wild-memory-access";
+
+ return bug_type;
+}
+
+const char *kasan_get_bug_type(struct kasan_access_info *info)
+{
+ /*
+ * If access_size is a negative number, then it has reason to be
+ * defined as out-of-bounds bug type.
+ *
+ * Casting negative numbers to size_t would indeed turn up as
+ * a large size_t and its value will be larger than ULONG_MAX/2,
+ * so that this can qualify as out-of-bounds.
+ */
+ if (info->access_addr + info->access_size < info->access_addr)
+ return "out-of-bounds";
+
+ if (addr_has_metadata(info->access_addr))
+ return get_shadow_bug_type(info);
+ return get_wild_bug_type(info);
+}
+
+void kasan_metadata_fetch_row(char *buffer, void *row)
+{
+ memcpy(buffer, kasan_mem_to_shadow(row), META_BYTES_PER_ROW);
+}
+
+#ifdef CONFIG_KASAN_STACK
+static bool __must_check tokenize_frame_descr(const char **frame_descr,
+ char *token, size_t max_tok_len,
+ unsigned long *value)
+{
+ const char *sep = strchr(*frame_descr, ' ');
+
+ if (sep == NULL)
+ sep = *frame_descr + strlen(*frame_descr);
+
+ if (token != NULL) {
+ const size_t tok_len = sep - *frame_descr;
+
+ if (tok_len + 1 > max_tok_len) {
+ pr_err("KASAN internal error: frame description too long: %s\n",
+ *frame_descr);
+ return false;
+ }
+
+ /* Copy token (+ 1 byte for '\0'). */
+ strscpy(token, *frame_descr, tok_len + 1);
+ }
+
+ /* Advance frame_descr past separator. */
+ *frame_descr = sep + 1;
+
+ if (value != NULL && kstrtoul(token, 10, value)) {
+ pr_err("KASAN internal error: not a valid number: %s\n", token);
+ return false;
+ }
+
+ return true;
+}
+
+static void print_decoded_frame_descr(const char *frame_descr)
+{
+ /*
+ * We need to parse the following string:
+ * "n alloc_1 alloc_2 ... alloc_n"
+ * where alloc_i looks like
+ * "offset size len name"
+ * or "offset size len name:line".
+ */
+
+ char token[64];
+ unsigned long num_objects;
+
+ if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+ &num_objects))
+ return;
+
+ pr_err("\n");
+ pr_err("this frame has %lu %s:\n", num_objects,
+ num_objects == 1 ? "object" : "objects");
+
+ while (num_objects--) {
+ unsigned long offset;
+ unsigned long size;
+
+ /* access offset */
+ if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+ &offset))
+ return;
+ /* access size */
+ if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+ &size))
+ return;
+ /* name length (unused) */
+ if (!tokenize_frame_descr(&frame_descr, NULL, 0, NULL))
+ return;
+ /* object name */
+ if (!tokenize_frame_descr(&frame_descr, token, sizeof(token),
+ NULL))
+ return;
+
+ /* Strip line number; without filename it's not very helpful. */
+ strreplace(token, ':', '\0');
+
+ /* Finally, print object information. */
+ pr_err(" [%lu, %lu) '%s'", offset, offset + size, token);
+ }
+}
+
+static bool __must_check get_address_stack_frame_info(const void *addr,
+ unsigned long *offset,
+ const char **frame_descr,
+ const void **frame_pc)
+{
+ unsigned long aligned_addr;
+ unsigned long mem_ptr;
+ const u8 *shadow_bottom;
+ const u8 *shadow_ptr;
+ const unsigned long *frame;
+
+ BUILD_BUG_ON(IS_ENABLED(CONFIG_STACK_GROWSUP));
+
+ /*
+ * NOTE: We currently only support printing frame information for
+ * accesses to the task's own stack.
+ */
+ if (!object_is_on_stack(addr))
+ return false;
+
+ aligned_addr = round_down((unsigned long)addr, sizeof(long));
+ mem_ptr = round_down(aligned_addr, KASAN_GRANULE_SIZE);
+ shadow_ptr = kasan_mem_to_shadow((void *)aligned_addr);
+ shadow_bottom = kasan_mem_to_shadow(end_of_stack(current));
+
+ while (shadow_ptr >= shadow_bottom && *shadow_ptr != KASAN_STACK_LEFT) {
+ shadow_ptr--;
+ mem_ptr -= KASAN_GRANULE_SIZE;
+ }
+
+ while (shadow_ptr >= shadow_bottom && *shadow_ptr == KASAN_STACK_LEFT) {
+ shadow_ptr--;
+ mem_ptr -= KASAN_GRANULE_SIZE;
+ }
+
+ if (shadow_ptr < shadow_bottom)
+ return false;
+
+ frame = (const unsigned long *)(mem_ptr + KASAN_GRANULE_SIZE);
+ if (frame[0] != KASAN_CURRENT_STACK_FRAME_MAGIC) {
+ pr_err("KASAN internal error: frame info validation failed; invalid marker: %lu\n",
+ frame[0]);
+ return false;
+ }
+
+ *offset = (unsigned long)addr - (unsigned long)frame;
+ *frame_descr = (const char *)frame[1];
+ *frame_pc = (void *)frame[2];
+
+ return true;
+}
+
+void kasan_print_address_stack_frame(const void *addr)
+{
+ unsigned long offset;
+ const char *frame_descr;
+ const void *frame_pc;
+
+ if (!get_address_stack_frame_info(addr, &offset, &frame_descr,
+ &frame_pc))
+ return;
+
+ /*
+ * get_address_stack_frame_info only returns true if the given addr is
+ * on the current task's stack.
+ */
+ pr_err("\n");
+ pr_err("addr %px is located in stack of task %s/%d at offset %lu in frame:\n",
+ addr, current->comm, task_pid_nr(current), offset);
+ pr_err(" %pS\n", frame_pc);
+
+ if (!frame_descr)
+ return;
+
+ print_decoded_frame_descr(frame_descr);
+}
+#endif /* CONFIG_KASAN_STACK */
+
+#define DEFINE_ASAN_REPORT_LOAD(size) \
+void __asan_report_load##size##_noabort(unsigned long addr) \
+{ \
+ kasan_report(addr, size, false, _RET_IP_); \
+} \
+EXPORT_SYMBOL(__asan_report_load##size##_noabort)
+
+#define DEFINE_ASAN_REPORT_STORE(size) \
+void __asan_report_store##size##_noabort(unsigned long addr) \
+{ \
+ kasan_report(addr, size, true, _RET_IP_); \
+} \
+EXPORT_SYMBOL(__asan_report_store##size##_noabort)
+
+DEFINE_ASAN_REPORT_LOAD(1);
+DEFINE_ASAN_REPORT_LOAD(2);
+DEFINE_ASAN_REPORT_LOAD(4);
+DEFINE_ASAN_REPORT_LOAD(8);
+DEFINE_ASAN_REPORT_LOAD(16);
+DEFINE_ASAN_REPORT_STORE(1);
+DEFINE_ASAN_REPORT_STORE(2);
+DEFINE_ASAN_REPORT_STORE(4);
+DEFINE_ASAN_REPORT_STORE(8);
+DEFINE_ASAN_REPORT_STORE(16);
+
+void __asan_report_load_n_noabort(unsigned long addr, size_t size)
+{
+ kasan_report(addr, size, false, _RET_IP_);
+}
+EXPORT_SYMBOL(__asan_report_load_n_noabort);
+
+void __asan_report_store_n_noabort(unsigned long addr, size_t size)
+{
+ kasan_report(addr, size, true, _RET_IP_);
+}
+EXPORT_SYMBOL(__asan_report_store_n_noabort);
diff --git a/mm/kasan/report_hw_tags.c b/mm/kasan/report_hw_tags.c
new file mode 100644
index 0000000..42b2168
--- /dev/null
+++ b/mm/kasan/report_hw_tags.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains hardware tag-based KASAN specific error reporting code.
+ *
+ * Copyright (c) 2020 Google, Inc.
+ * Author: Andrey Konovalov <andreyknvl@google.com>
+ */
+
+#include <linux/kasan.h>
+#include <linux/kernel.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+#include "kasan.h"
+
+const char *kasan_get_bug_type(struct kasan_access_info *info)
+{
+ return "invalid-access";
+}
+
+void *kasan_find_first_bad_addr(void *addr, size_t size)
+{
+ return kasan_reset_tag(addr);
+}
+
+void kasan_metadata_fetch_row(char *buffer, void *row)
+{
+ int i;
+
+ for (i = 0; i < META_BYTES_PER_ROW; i++)
+ buffer[i] = hw_get_mem_tag(row + i * KASAN_GRANULE_SIZE);
+}
+
+void kasan_print_tags(u8 addr_tag, const void *addr)
+{
+ u8 memory_tag = hw_get_mem_tag((void *)addr);
+
+ pr_err("Pointer tag: [%02x], memory tag: [%02x]\n",
+ addr_tag, memory_tag);
+}
diff --git a/mm/kasan/tags_report.c b/mm/kasan/report_sw_tags.c
similarity index 71%
rename from mm/kasan/tags_report.c
rename to mm/kasan/report_sw_tags.c
index bee4371..3d20d34 100644
--- a/mm/kasan/tags_report.c
+++ b/mm/kasan/report_sw_tags.c
@@ -1,17 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * This file contains tag-based KASAN specific error reporting code.
+ * This file contains software tag-based KASAN specific error reporting code.
*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
* Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
*
* Some code borrowed from https://github.com/xairy/kasan-prototype by
* Andrey Konovalov <andreyknvl@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/bitops.h>
@@ -34,7 +29,7 @@
#include "kasan.h"
#include "../slab.h"
-const char *get_bug_type(struct kasan_access_info *info)
+const char *kasan_get_bug_type(struct kasan_access_info *info)
{
#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
struct kasan_alloc_meta *alloc_meta;
@@ -46,16 +41,19 @@ const char *get_bug_type(struct kasan_access_info *info)
int i;
tag = get_tag(info->access_addr);
- addr = reset_tag(info->access_addr);
+ addr = kasan_reset_tag(info->access_addr);
page = kasan_addr_to_page(addr);
if (page && PageSlab(page)) {
cache = page->slab_cache;
object = nearest_obj(cache, page, (void *)addr);
- alloc_meta = get_alloc_info(cache, object);
+ alloc_meta = kasan_get_alloc_meta(cache, object);
- for (i = 0; i < KASAN_NR_FREE_STACKS; i++)
- if (alloc_meta->free_pointer_tag[i] == tag)
- return "use-after-free";
+ if (alloc_meta) {
+ for (i = 0; i < KASAN_NR_FREE_STACKS; i++) {
+ if (alloc_meta->free_pointer_tag[i] == tag)
+ return "use-after-free";
+ }
+ }
return "out-of-bounds";
}
@@ -74,18 +72,23 @@ const char *get_bug_type(struct kasan_access_info *info)
return "invalid-access";
}
-void *find_first_bad_addr(void *addr, size_t size)
+void *kasan_find_first_bad_addr(void *addr, size_t size)
{
u8 tag = get_tag(addr);
- void *p = reset_tag(addr);
+ void *p = kasan_reset_tag(addr);
void *end = p + size;
while (p < end && tag == *(u8 *)kasan_mem_to_shadow(p))
- p += KASAN_SHADOW_SCALE_SIZE;
+ p += KASAN_GRANULE_SIZE;
return p;
}
-void print_tags(u8 addr_tag, const void *addr)
+void kasan_metadata_fetch_row(char *buffer, void *row)
+{
+ memcpy(buffer, kasan_mem_to_shadow(row), META_BYTES_PER_ROW);
+}
+
+void kasan_print_tags(u8 addr_tag, const void *addr)
{
u8 *shadow = (u8 *)kasan_mem_to_shadow(addr);
diff --git a/mm/kasan/shadow.c b/mm/kasan/shadow.c
new file mode 100644
index 0000000..727ad46
--- /dev/null
+++ b/mm/kasan/shadow.c
@@ -0,0 +1,527 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This file contains KASAN runtime code that manages shadow memory for
+ * generic and software tag-based KASAN modes.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com>
+ *
+ * Some code borrowed from https://github.com/xairy/kasan-prototype by
+ * Andrey Konovalov <andreyknvl@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kasan.h>
+#include <linux/kernel.h>
+#include <linux/kfence.h>
+#include <linux/kmemleak.h>
+#include <linux/memory.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/vmalloc.h>
+
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+
+#include "kasan.h"
+
+bool __kasan_check_read(const volatile void *p, unsigned int size)
+{
+ return kasan_check_range((unsigned long)p, size, false, _RET_IP_);
+}
+EXPORT_SYMBOL(__kasan_check_read);
+
+bool __kasan_check_write(const volatile void *p, unsigned int size)
+{
+ return kasan_check_range((unsigned long)p, size, true, _RET_IP_);
+}
+EXPORT_SYMBOL(__kasan_check_write);
+
+#undef memset
+void *memset(void *addr, int c, size_t len)
+{
+ if (!kasan_check_range((unsigned long)addr, len, true, _RET_IP_))
+ return NULL;
+
+ return __memset(addr, c, len);
+}
+
+#ifdef __HAVE_ARCH_MEMMOVE
+#undef memmove
+void *memmove(void *dest, const void *src, size_t len)
+{
+ if (!kasan_check_range((unsigned long)src, len, false, _RET_IP_) ||
+ !kasan_check_range((unsigned long)dest, len, true, _RET_IP_))
+ return NULL;
+
+ return __memmove(dest, src, len);
+}
+#endif
+
+#undef memcpy
+void *memcpy(void *dest, const void *src, size_t len)
+{
+ if (!kasan_check_range((unsigned long)src, len, false, _RET_IP_) ||
+ !kasan_check_range((unsigned long)dest, len, true, _RET_IP_))
+ return NULL;
+
+ return __memcpy(dest, src, len);
+}
+
+void kasan_poison(const void *addr, size_t size, u8 value, bool init)
+{
+ void *shadow_start, *shadow_end;
+
+ /*
+ * Perform shadow offset calculation based on untagged address, as
+ * some of the callers (e.g. kasan_poison_object_data) pass tagged
+ * addresses to this function.
+ */
+ addr = kasan_reset_tag(addr);
+
+ /* Skip KFENCE memory if called explicitly outside of sl*b. */
+ if (is_kfence_address(addr))
+ return;
+
+ if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+ return;
+ if (WARN_ON(size & KASAN_GRANULE_MASK))
+ return;
+
+ shadow_start = kasan_mem_to_shadow(addr);
+ shadow_end = kasan_mem_to_shadow(addr + size);
+
+ __memset(shadow_start, value, shadow_end - shadow_start);
+}
+EXPORT_SYMBOL(kasan_poison);
+
+#ifdef CONFIG_KASAN_GENERIC
+void kasan_poison_last_granule(const void *addr, size_t size)
+{
+ if (size & KASAN_GRANULE_MASK) {
+ u8 *shadow = (u8 *)kasan_mem_to_shadow(addr + size);
+ *shadow = size & KASAN_GRANULE_MASK;
+ }
+}
+#endif
+
+void kasan_unpoison(const void *addr, size_t size, bool init)
+{
+ u8 tag = get_tag(addr);
+
+ /*
+ * Perform shadow offset calculation based on untagged address, as
+ * some of the callers (e.g. kasan_unpoison_object_data) pass tagged
+ * addresses to this function.
+ */
+ addr = kasan_reset_tag(addr);
+
+ /*
+ * Skip KFENCE memory if called explicitly outside of sl*b. Also note
+ * that calls to ksize(), where size is not a multiple of machine-word
+ * size, would otherwise poison the invalid portion of the word.
+ */
+ if (is_kfence_address(addr))
+ return;
+
+ if (WARN_ON((unsigned long)addr & KASAN_GRANULE_MASK))
+ return;
+
+ /* Unpoison all granules that cover the object. */
+ kasan_poison(addr, round_up(size, KASAN_GRANULE_SIZE), tag, false);
+
+ /* Partially poison the last granule for the generic mode. */
+ if (IS_ENABLED(CONFIG_KASAN_GENERIC))
+ kasan_poison_last_granule(addr, size);
+}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+static bool shadow_mapped(unsigned long addr)
+{
+ pgd_t *pgd = pgd_offset_k(addr);
+ p4d_t *p4d;
+ pud_t *pud;
+ pmd_t *pmd;
+ pte_t *pte;
+
+ if (pgd_none(*pgd))
+ return false;
+ p4d = p4d_offset(pgd, addr);
+ if (p4d_none(*p4d))
+ return false;
+ pud = pud_offset(p4d, addr);
+ if (pud_none(*pud))
+ return false;
+
+ /*
+ * We can't use pud_large() or pud_huge(), the first one is
+ * arch-specific, the last one depends on HUGETLB_PAGE. So let's abuse
+ * pud_bad(), if pud is bad then it's bad because it's huge.
+ */
+ if (pud_bad(*pud))
+ return true;
+ pmd = pmd_offset(pud, addr);
+ if (pmd_none(*pmd))
+ return false;
+
+ if (pmd_bad(*pmd))
+ return true;
+ pte = pte_offset_kernel(pmd, addr);
+ return !pte_none(*pte);
+}
+
+static int __meminit kasan_mem_notifier(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct memory_notify *mem_data = data;
+ unsigned long nr_shadow_pages, start_kaddr, shadow_start;
+ unsigned long shadow_end, shadow_size;
+
+ nr_shadow_pages = mem_data->nr_pages >> KASAN_SHADOW_SCALE_SHIFT;
+ start_kaddr = (unsigned long)pfn_to_kaddr(mem_data->start_pfn);
+ shadow_start = (unsigned long)kasan_mem_to_shadow((void *)start_kaddr);
+ shadow_size = nr_shadow_pages << PAGE_SHIFT;
+ shadow_end = shadow_start + shadow_size;
+
+ if (WARN_ON(mem_data->nr_pages % KASAN_GRANULE_SIZE) ||
+ WARN_ON(start_kaddr % KASAN_MEMORY_PER_SHADOW_PAGE))
+ return NOTIFY_BAD;
+
+ switch (action) {
+ case MEM_GOING_ONLINE: {
+ void *ret;
+
+ /*
+ * If shadow is mapped already than it must have been mapped
+ * during the boot. This could happen if we onlining previously
+ * offlined memory.
+ */
+ if (shadow_mapped(shadow_start))
+ return NOTIFY_OK;
+
+ ret = __vmalloc_node_range(shadow_size, PAGE_SIZE, shadow_start,
+ shadow_end, GFP_KERNEL,
+ PAGE_KERNEL, VM_NO_GUARD,
+ pfn_to_nid(mem_data->start_pfn),
+ __builtin_return_address(0));
+ if (!ret)
+ return NOTIFY_BAD;
+
+ kmemleak_ignore(ret);
+ return NOTIFY_OK;
+ }
+ case MEM_CANCEL_ONLINE:
+ case MEM_OFFLINE: {
+ struct vm_struct *vm;
+
+ /*
+ * shadow_start was either mapped during boot by kasan_init()
+ * or during memory online by __vmalloc_node_range().
+ * In the latter case we can use vfree() to free shadow.
+ * Non-NULL result of the find_vm_area() will tell us if
+ * that was the second case.
+ *
+ * Currently it's not possible to free shadow mapped
+ * during boot by kasan_init(). It's because the code
+ * to do that hasn't been written yet. So we'll just
+ * leak the memory.
+ */
+ vm = find_vm_area((void *)shadow_start);
+ if (vm)
+ vfree((void *)shadow_start);
+ }
+ }
+
+ return NOTIFY_OK;
+}
+
+static int __init kasan_memhotplug_init(void)
+{
+ hotplug_memory_notifier(kasan_mem_notifier, 0);
+
+ return 0;
+}
+
+core_initcall(kasan_memhotplug_init);
+#endif
+
+#ifdef CONFIG_KASAN_VMALLOC
+
+static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr,
+ void *unused)
+{
+ unsigned long page;
+ pte_t pte;
+
+ if (likely(!pte_none(*ptep)))
+ return 0;
+
+ page = __get_free_page(GFP_KERNEL);
+ if (!page)
+ return -ENOMEM;
+
+ memset((void *)page, KASAN_VMALLOC_INVALID, PAGE_SIZE);
+ pte = pfn_pte(PFN_DOWN(__pa(page)), PAGE_KERNEL);
+
+ spin_lock(&init_mm.page_table_lock);
+ if (likely(pte_none(*ptep))) {
+ set_pte_at(&init_mm, addr, ptep, pte);
+ page = 0;
+ }
+ spin_unlock(&init_mm.page_table_lock);
+ if (page)
+ free_page(page);
+ return 0;
+}
+
+int kasan_populate_vmalloc(unsigned long addr, unsigned long size)
+{
+ unsigned long shadow_start, shadow_end;
+ int ret;
+
+ if (!is_vmalloc_or_module_addr((void *)addr))
+ return 0;
+
+ shadow_start = (unsigned long)kasan_mem_to_shadow((void *)addr);
+ shadow_start = ALIGN_DOWN(shadow_start, PAGE_SIZE);
+ shadow_end = (unsigned long)kasan_mem_to_shadow((void *)addr + size);
+ shadow_end = ALIGN(shadow_end, PAGE_SIZE);
+
+ ret = apply_to_page_range(&init_mm, shadow_start,
+ shadow_end - shadow_start,
+ kasan_populate_vmalloc_pte, NULL);
+ if (ret)
+ return ret;
+
+ flush_cache_vmap(shadow_start, shadow_end);
+
+ /*
+ * We need to be careful about inter-cpu effects here. Consider:
+ *
+ * CPU#0 CPU#1
+ * WRITE_ONCE(p, vmalloc(100)); while (x = READ_ONCE(p)) ;
+ * p[99] = 1;
+ *
+ * With compiler instrumentation, that ends up looking like this:
+ *
+ * CPU#0 CPU#1
+ * // vmalloc() allocates memory
+ * // let a = area->addr
+ * // we reach kasan_populate_vmalloc
+ * // and call kasan_unpoison:
+ * STORE shadow(a), unpoison_val
+ * ...
+ * STORE shadow(a+99), unpoison_val x = LOAD p
+ * // rest of vmalloc process <data dependency>
+ * STORE p, a LOAD shadow(x+99)
+ *
+ * If there is no barrier between the end of unpoisioning the shadow
+ * and the store of the result to p, the stores could be committed
+ * in a different order by CPU#0, and CPU#1 could erroneously observe
+ * poison in the shadow.
+ *
+ * We need some sort of barrier between the stores.
+ *
+ * In the vmalloc() case, this is provided by a smp_wmb() in
+ * clear_vm_uninitialized_flag(). In the per-cpu allocator and in
+ * get_vm_area() and friends, the caller gets shadow allocated but
+ * doesn't have any pages mapped into the virtual address space that
+ * has been reserved. Mapping those pages in will involve taking and
+ * releasing a page-table lock, which will provide the barrier.
+ */
+
+ return 0;
+}
+
+/*
+ * Poison the shadow for a vmalloc region. Called as part of the
+ * freeing process at the time the region is freed.
+ */
+void kasan_poison_vmalloc(const void *start, unsigned long size)
+{
+ if (!is_vmalloc_or_module_addr(start))
+ return;
+
+ size = round_up(size, KASAN_GRANULE_SIZE);
+ kasan_poison(start, size, KASAN_VMALLOC_INVALID, false);
+}
+
+void kasan_unpoison_vmalloc(const void *start, unsigned long size)
+{
+ if (!is_vmalloc_or_module_addr(start))
+ return;
+
+ kasan_unpoison(start, size, false);
+}
+
+static int kasan_depopulate_vmalloc_pte(pte_t *ptep, unsigned long addr,
+ void *unused)
+{
+ unsigned long page;
+
+ page = (unsigned long)__va(pte_pfn(*ptep) << PAGE_SHIFT);
+
+ spin_lock(&init_mm.page_table_lock);
+
+ if (likely(!pte_none(*ptep))) {
+ pte_clear(&init_mm, addr, ptep);
+ free_page(page);
+ }
+ spin_unlock(&init_mm.page_table_lock);
+
+ return 0;
+}
+
+/*
+ * Release the backing for the vmalloc region [start, end), which
+ * lies within the free region [free_region_start, free_region_end).
+ *
+ * This can be run lazily, long after the region was freed. It runs
+ * under vmap_area_lock, so it's not safe to interact with the vmalloc/vmap
+ * infrastructure.
+ *
+ * How does this work?
+ * -------------------
+ *
+ * We have a region that is page aligned, labelled as A.
+ * That might not map onto the shadow in a way that is page-aligned:
+ *
+ * start end
+ * v v
+ * |????????|????????|AAAAAAAA|AA....AA|AAAAAAAA|????????| < vmalloc
+ * -------- -------- -------- -------- --------
+ * | | | | |
+ * | | | /-------/ |
+ * \-------\|/------/ |/---------------/
+ * ||| ||
+ * |??AAAAAA|AAAAAAAA|AA??????| < shadow
+ * (1) (2) (3)
+ *
+ * First we align the start upwards and the end downwards, so that the
+ * shadow of the region aligns with shadow page boundaries. In the
+ * example, this gives us the shadow page (2). This is the shadow entirely
+ * covered by this allocation.
+ *
+ * Then we have the tricky bits. We want to know if we can free the
+ * partially covered shadow pages - (1) and (3) in the example. For this,
+ * we are given the start and end of the free region that contains this
+ * allocation. Extending our previous example, we could have:
+ *
+ * free_region_start free_region_end
+ * | start end |
+ * v v v v
+ * |FFFFFFFF|FFFFFFFF|AAAAAAAA|AA....AA|AAAAAAAA|FFFFFFFF| < vmalloc
+ * -------- -------- -------- -------- --------
+ * | | | | |
+ * | | | /-------/ |
+ * \-------\|/------/ |/---------------/
+ * ||| ||
+ * |FFAAAAAA|AAAAAAAA|AAF?????| < shadow
+ * (1) (2) (3)
+ *
+ * Once again, we align the start of the free region up, and the end of
+ * the free region down so that the shadow is page aligned. So we can free
+ * page (1) - we know no allocation currently uses anything in that page,
+ * because all of it is in the vmalloc free region. But we cannot free
+ * page (3), because we can't be sure that the rest of it is unused.
+ *
+ * We only consider pages that contain part of the original region for
+ * freeing: we don't try to free other pages from the free region or we'd
+ * end up trying to free huge chunks of virtual address space.
+ *
+ * Concurrency
+ * -----------
+ *
+ * How do we know that we're not freeing a page that is simultaneously
+ * being used for a fresh allocation in kasan_populate_vmalloc(_pte)?
+ *
+ * We _can_ have kasan_release_vmalloc and kasan_populate_vmalloc running
+ * at the same time. While we run under free_vmap_area_lock, the population
+ * code does not.
+ *
+ * free_vmap_area_lock instead operates to ensure that the larger range
+ * [free_region_start, free_region_end) is safe: because __alloc_vmap_area and
+ * the per-cpu region-finding algorithm both run under free_vmap_area_lock,
+ * no space identified as free will become used while we are running. This
+ * means that so long as we are careful with alignment and only free shadow
+ * pages entirely covered by the free region, we will not run in to any
+ * trouble - any simultaneous allocations will be for disjoint regions.
+ */
+void kasan_release_vmalloc(unsigned long start, unsigned long end,
+ unsigned long free_region_start,
+ unsigned long free_region_end)
+{
+ void *shadow_start, *shadow_end;
+ unsigned long region_start, region_end;
+ unsigned long size;
+
+ region_start = ALIGN(start, KASAN_MEMORY_PER_SHADOW_PAGE);
+ region_end = ALIGN_DOWN(end, KASAN_MEMORY_PER_SHADOW_PAGE);
+
+ free_region_start = ALIGN(free_region_start, KASAN_MEMORY_PER_SHADOW_PAGE);
+
+ if (start != region_start &&
+ free_region_start < region_start)
+ region_start -= KASAN_MEMORY_PER_SHADOW_PAGE;
+
+ free_region_end = ALIGN_DOWN(free_region_end, KASAN_MEMORY_PER_SHADOW_PAGE);
+
+ if (end != region_end &&
+ free_region_end > region_end)
+ region_end += KASAN_MEMORY_PER_SHADOW_PAGE;
+
+ shadow_start = kasan_mem_to_shadow((void *)region_start);
+ shadow_end = kasan_mem_to_shadow((void *)region_end);
+
+ if (shadow_end > shadow_start) {
+ size = shadow_end - shadow_start;
+ apply_to_existing_page_range(&init_mm,
+ (unsigned long)shadow_start,
+ size, kasan_depopulate_vmalloc_pte,
+ NULL);
+ flush_tlb_kernel_range((unsigned long)shadow_start,
+ (unsigned long)shadow_end);
+ }
+}
+
+#else /* CONFIG_KASAN_VMALLOC */
+
+int kasan_module_alloc(void *addr, size_t size)
+{
+ void *ret;
+ size_t scaled_size;
+ size_t shadow_size;
+ unsigned long shadow_start;
+
+ shadow_start = (unsigned long)kasan_mem_to_shadow(addr);
+ scaled_size = (size + KASAN_GRANULE_SIZE - 1) >>
+ KASAN_SHADOW_SCALE_SHIFT;
+ shadow_size = round_up(scaled_size, PAGE_SIZE);
+
+ if (WARN_ON(!PAGE_ALIGNED(shadow_start)))
+ return -EINVAL;
+
+ ret = __vmalloc_node_range(shadow_size, 1, shadow_start,
+ shadow_start + shadow_size,
+ GFP_KERNEL,
+ PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE,
+ __builtin_return_address(0));
+
+ if (ret) {
+ __memset(ret, KASAN_SHADOW_INIT, shadow_size);
+ find_vm_area(addr)->flags |= VM_KASAN;
+ kmemleak_ignore(ret);
+ return 0;
+ }
+
+ return -ENOMEM;
+}
+
+void kasan_free_shadow(const struct vm_struct *vm)
+{
+ if (vm->flags & VM_KASAN)
+ vfree(kasan_mem_to_shadow(vm->addr));
+}
+
+#endif
diff --git a/mm/kasan/tags.c b/mm/kasan/sw_tags.c
similarity index 81%
rename from mm/kasan/tags.c
rename to mm/kasan/sw_tags.c
index e02a36a..9df8e7f 100644
--- a/mm/kasan/tags.c
+++ b/mm/kasan/sw_tags.c
@@ -1,17 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * This file contains core tag-based KASAN code.
+ * This file contains core software tag-based KASAN code.
*
* Copyright (c) 2018 Google, Inc.
* Author: Andrey Konovalov <andreyknvl@google.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#define pr_fmt(fmt) "kasan: " fmt
#include <linux/export.h>
#include <linux/interrupt.h>
@@ -40,12 +35,14 @@
static DEFINE_PER_CPU(u32, prng_state);
-void kasan_init_tags(void)
+void __init kasan_init_sw_tags(void)
{
int cpu;
for_each_possible_cpu(cpu)
per_cpu(prng_state, cpu) = (u32)get_cycles();
+
+ pr_info("KernelAddressSanitizer initialized\n");
}
/*
@@ -60,7 +57,7 @@ void kasan_init_tags(void)
* sequence has in fact positive effect, since interrupts that randomly skew
* PRNG at unpredictable points do only good.
*/
-u8 random_tag(void)
+u8 kasan_random_tag(void)
{
u32 state = this_cpu_read(prng_state);
@@ -70,12 +67,7 @@ u8 random_tag(void)
return (u8)(state % (KASAN_TAG_MAX + 1));
}
-void *kasan_reset_tag(const void *addr)
-{
- return reset_tag(addr);
-}
-
-bool check_memory_region(unsigned long addr, size_t size, bool write,
+bool kasan_check_range(unsigned long addr, size_t size, bool write,
unsigned long ret_ip)
{
u8 tag;
@@ -110,7 +102,7 @@ bool check_memory_region(unsigned long addr, size_t size, bool write,
if (tag == KASAN_TAG_KERNEL)
return true;
- untagged_addr = reset_tag((const void *)addr);
+ untagged_addr = kasan_reset_tag((const void *)addr);
if (unlikely(untagged_addr <
kasan_shadow_to_mem((void *)KASAN_SHADOW_START))) {
return !kasan_report(addr, size, write, ret_ip);
@@ -126,15 +118,28 @@ bool check_memory_region(unsigned long addr, size_t size, bool write,
return true;
}
+bool kasan_byte_accessible(const void *addr)
+{
+ u8 tag = get_tag(addr);
+ void *untagged_addr = kasan_reset_tag(addr);
+ u8 shadow_byte;
+
+ if (untagged_addr < kasan_shadow_to_mem((void *)KASAN_SHADOW_START))
+ return false;
+
+ shadow_byte = READ_ONCE(*(u8 *)kasan_mem_to_shadow(untagged_addr));
+ return tag == KASAN_TAG_KERNEL || tag == shadow_byte;
+}
+
#define DEFINE_HWASAN_LOAD_STORE(size) \
void __hwasan_load##size##_noabort(unsigned long addr) \
{ \
- check_memory_region(addr, size, false, _RET_IP_); \
+ kasan_check_range(addr, size, false, _RET_IP_); \
} \
EXPORT_SYMBOL(__hwasan_load##size##_noabort); \
void __hwasan_store##size##_noabort(unsigned long addr) \
{ \
- check_memory_region(addr, size, true, _RET_IP_); \
+ kasan_check_range(addr, size, true, _RET_IP_); \
} \
EXPORT_SYMBOL(__hwasan_store##size##_noabort)
@@ -146,19 +151,19 @@ DEFINE_HWASAN_LOAD_STORE(16);
void __hwasan_loadN_noabort(unsigned long addr, unsigned long size)
{
- check_memory_region(addr, size, false, _RET_IP_);
+ kasan_check_range(addr, size, false, _RET_IP_);
}
EXPORT_SYMBOL(__hwasan_loadN_noabort);
void __hwasan_storeN_noabort(unsigned long addr, unsigned long size)
{
- check_memory_region(addr, size, true, _RET_IP_);
+ kasan_check_range(addr, size, true, _RET_IP_);
}
EXPORT_SYMBOL(__hwasan_storeN_noabort);
void __hwasan_tag_memory(unsigned long addr, u8 tag, unsigned long size)
{
- kasan_poison_shadow((void *)addr, size, tag);
+ kasan_poison((void *)addr, size, tag, false);
}
EXPORT_SYMBOL(__hwasan_tag_memory);
@@ -168,7 +173,9 @@ void kasan_set_free_info(struct kmem_cache *cache,
struct kasan_alloc_meta *alloc_meta;
u8 idx = 0;
- alloc_meta = get_alloc_info(cache, object);
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (!alloc_meta)
+ return;
#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
idx = alloc_meta->free_track_idx;
@@ -185,7 +192,9 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
struct kasan_alloc_meta *alloc_meta;
int i = 0;
- alloc_meta = get_alloc_info(cache, object);
+ alloc_meta = kasan_get_alloc_meta(cache, object);
+ if (!alloc_meta)
+ return NULL;
#ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY
for (i = 0; i < KASAN_NR_FREE_STACKS; i++) {
diff --git a/mm/kfence/Makefile b/mm/kfence/Makefile
new file mode 100644
index 0000000..6872cd5
--- /dev/null
+++ b/mm/kfence/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_KFENCE) := core.o report.o
+
+CFLAGS_kfence_test.o := -g -fno-omit-frame-pointer -fno-optimize-sibling-calls
+obj-$(CONFIG_KFENCE_KUNIT_TEST) += kfence_test.o
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
new file mode 100644
index 0000000..575c685
--- /dev/null
+++ b/mm/kfence/core.c
@@ -0,0 +1,888 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KFENCE guarded object allocator and fault handling.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#define pr_fmt(fmt) "kfence: " fmt
+
+#include <linux/atomic.h>
+#include <linux/bug.h>
+#include <linux/debugfs.h>
+#include <linux/irq_work.h>
+#include <linux/kcsan-checks.h>
+#include <linux/kfence.h>
+#include <linux/kmemleak.h>
+#include <linux/list.h>
+#include <linux/lockdep.h>
+#include <linux/memblock.h>
+#include <linux/moduleparam.h>
+#include <linux/random.h>
+#include <linux/rcupdate.h>
+#include <linux/sched/sysctl.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+
+#include <asm/kfence.h>
+
+#include "kfence.h"
+
+/* Disables KFENCE on the first warning assuming an irrecoverable error. */
+#define KFENCE_WARN_ON(cond) \
+ ({ \
+ const bool __cond = WARN_ON(cond); \
+ if (unlikely(__cond)) \
+ WRITE_ONCE(kfence_enabled, false); \
+ __cond; \
+ })
+
+/* === Data ================================================================= */
+
+static bool kfence_enabled __read_mostly;
+
+static unsigned long kfence_sample_interval __read_mostly = CONFIG_KFENCE_SAMPLE_INTERVAL;
+
+#ifdef MODULE_PARAM_PREFIX
+#undef MODULE_PARAM_PREFIX
+#endif
+#define MODULE_PARAM_PREFIX "kfence."
+
+static int param_set_sample_interval(const char *val, const struct kernel_param *kp)
+{
+ unsigned long num;
+ int ret = kstrtoul(val, 0, &num);
+
+ if (ret < 0)
+ return ret;
+
+ if (!num) /* Using 0 to indicate KFENCE is disabled. */
+ WRITE_ONCE(kfence_enabled, false);
+ else if (!READ_ONCE(kfence_enabled) && system_state != SYSTEM_BOOTING)
+ return -EINVAL; /* Cannot (re-)enable KFENCE on-the-fly. */
+
+ *((unsigned long *)kp->arg) = num;
+ return 0;
+}
+
+static int param_get_sample_interval(char *buffer, const struct kernel_param *kp)
+{
+ if (!READ_ONCE(kfence_enabled))
+ return sprintf(buffer, "0\n");
+
+ return param_get_ulong(buffer, kp);
+}
+
+static const struct kernel_param_ops sample_interval_param_ops = {
+ .set = param_set_sample_interval,
+ .get = param_get_sample_interval,
+};
+module_param_cb(sample_interval, &sample_interval_param_ops, &kfence_sample_interval, 0600);
+
+/* The pool of pages used for guard pages and objects. */
+char *__kfence_pool __ro_after_init;
+EXPORT_SYMBOL(__kfence_pool); /* Export for test modules. */
+
+/*
+ * Per-object metadata, with one-to-one mapping of object metadata to
+ * backing pages (in __kfence_pool).
+ */
+static_assert(CONFIG_KFENCE_NUM_OBJECTS > 0);
+struct kfence_metadata kfence_metadata[CONFIG_KFENCE_NUM_OBJECTS];
+
+/* Freelist with available objects. */
+static struct list_head kfence_freelist = LIST_HEAD_INIT(kfence_freelist);
+static DEFINE_RAW_SPINLOCK(kfence_freelist_lock); /* Lock protecting freelist. */
+
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+/* The static key to set up a KFENCE allocation. */
+DEFINE_STATIC_KEY_FALSE(kfence_allocation_key);
+#endif
+
+/* Gates the allocation, ensuring only one succeeds in a given period. */
+atomic_t kfence_allocation_gate = ATOMIC_INIT(1);
+
+/* Statistics counters for debugfs. */
+enum kfence_counter_id {
+ KFENCE_COUNTER_ALLOCATED,
+ KFENCE_COUNTER_ALLOCS,
+ KFENCE_COUNTER_FREES,
+ KFENCE_COUNTER_ZOMBIES,
+ KFENCE_COUNTER_BUGS,
+ KFENCE_COUNTER_COUNT,
+};
+static atomic_long_t counters[KFENCE_COUNTER_COUNT];
+static const char *const counter_names[] = {
+ [KFENCE_COUNTER_ALLOCATED] = "currently allocated",
+ [KFENCE_COUNTER_ALLOCS] = "total allocations",
+ [KFENCE_COUNTER_FREES] = "total frees",
+ [KFENCE_COUNTER_ZOMBIES] = "zombie allocations",
+ [KFENCE_COUNTER_BUGS] = "total bugs",
+};
+static_assert(ARRAY_SIZE(counter_names) == KFENCE_COUNTER_COUNT);
+
+/* === Internals ============================================================ */
+
+static bool kfence_protect(unsigned long addr)
+{
+ return !KFENCE_WARN_ON(!kfence_protect_page(ALIGN_DOWN(addr, PAGE_SIZE), true));
+}
+
+static bool kfence_unprotect(unsigned long addr)
+{
+ return !KFENCE_WARN_ON(!kfence_protect_page(ALIGN_DOWN(addr, PAGE_SIZE), false));
+}
+
+static inline struct kfence_metadata *addr_to_metadata(unsigned long addr)
+{
+ long index;
+
+ /* The checks do not affect performance; only called from slow-paths. */
+
+ if (!is_kfence_address((void *)addr))
+ return NULL;
+
+ /*
+ * May be an invalid index if called with an address at the edge of
+ * __kfence_pool, in which case we would report an "invalid access"
+ * error.
+ */
+ index = (addr - (unsigned long)__kfence_pool) / (PAGE_SIZE * 2) - 1;
+ if (index < 0 || index >= CONFIG_KFENCE_NUM_OBJECTS)
+ return NULL;
+
+ return &kfence_metadata[index];
+}
+
+static inline unsigned long metadata_to_pageaddr(const struct kfence_metadata *meta)
+{
+ unsigned long offset = (meta - kfence_metadata + 1) * PAGE_SIZE * 2;
+ unsigned long pageaddr = (unsigned long)&__kfence_pool[offset];
+
+ /* The checks do not affect performance; only called from slow-paths. */
+
+ /* Only call with a pointer into kfence_metadata. */
+ if (KFENCE_WARN_ON(meta < kfence_metadata ||
+ meta >= kfence_metadata + CONFIG_KFENCE_NUM_OBJECTS))
+ return 0;
+
+ /*
+ * This metadata object only ever maps to 1 page; verify that the stored
+ * address is in the expected range.
+ */
+ if (KFENCE_WARN_ON(ALIGN_DOWN(meta->addr, PAGE_SIZE) != pageaddr))
+ return 0;
+
+ return pageaddr;
+}
+
+/*
+ * Update the object's metadata state, including updating the alloc/free stacks
+ * depending on the state transition.
+ */
+static noinline void metadata_update_state(struct kfence_metadata *meta,
+ enum kfence_object_state next)
+{
+ struct kfence_track *track =
+ next == KFENCE_OBJECT_FREED ? &meta->free_track : &meta->alloc_track;
+
+ lockdep_assert_held(&meta->lock);
+
+ /*
+ * Skip over 1 (this) functions; noinline ensures we do not accidentally
+ * skip over the caller by never inlining.
+ */
+ track->num_stack_entries = stack_trace_save(track->stack_entries, KFENCE_STACK_DEPTH, 1);
+ track->pid = task_pid_nr(current);
+
+ /*
+ * Pairs with READ_ONCE() in
+ * kfence_shutdown_cache(),
+ * kfence_handle_page_fault().
+ */
+ WRITE_ONCE(meta->state, next);
+}
+
+/* Write canary byte to @addr. */
+static inline bool set_canary_byte(u8 *addr)
+{
+ *addr = KFENCE_CANARY_PATTERN(addr);
+ return true;
+}
+
+/* Check canary byte at @addr. */
+static inline bool check_canary_byte(u8 *addr)
+{
+ if (likely(*addr == KFENCE_CANARY_PATTERN(addr)))
+ return true;
+
+ atomic_long_inc(&counters[KFENCE_COUNTER_BUGS]);
+ kfence_report_error((unsigned long)addr, false, NULL, addr_to_metadata((unsigned long)addr),
+ KFENCE_ERROR_CORRUPTION);
+ return false;
+}
+
+/* __always_inline this to ensure we won't do an indirect call to fn. */
+static __always_inline void for_each_canary(const struct kfence_metadata *meta, bool (*fn)(u8 *))
+{
+ const unsigned long pageaddr = ALIGN_DOWN(meta->addr, PAGE_SIZE);
+ unsigned long addr;
+
+ lockdep_assert_held(&meta->lock);
+
+ /*
+ * We'll iterate over each canary byte per-side until fn() returns
+ * false. However, we'll still iterate over the canary bytes to the
+ * right of the object even if there was an error in the canary bytes to
+ * the left of the object. Specifically, if check_canary_byte()
+ * generates an error, showing both sides might give more clues as to
+ * what the error is about when displaying which bytes were corrupted.
+ */
+
+ /* Apply to left of object. */
+ for (addr = pageaddr; addr < meta->addr; addr++) {
+ if (!fn((u8 *)addr))
+ break;
+ }
+
+ /* Apply to right of object. */
+ for (addr = meta->addr + meta->size; addr < pageaddr + PAGE_SIZE; addr++) {
+ if (!fn((u8 *)addr))
+ break;
+ }
+}
+
+static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t gfp)
+{
+ struct kfence_metadata *meta = NULL;
+ unsigned long flags;
+ struct page *page;
+ void *addr;
+
+ /* Try to obtain a free object. */
+ raw_spin_lock_irqsave(&kfence_freelist_lock, flags);
+ if (!list_empty(&kfence_freelist)) {
+ meta = list_entry(kfence_freelist.next, struct kfence_metadata, list);
+ list_del_init(&meta->list);
+ }
+ raw_spin_unlock_irqrestore(&kfence_freelist_lock, flags);
+ if (!meta)
+ return NULL;
+
+ if (unlikely(!raw_spin_trylock_irqsave(&meta->lock, flags))) {
+ /*
+ * This is extremely unlikely -- we are reporting on a
+ * use-after-free, which locked meta->lock, and the reporting
+ * code via printk calls kmalloc() which ends up in
+ * kfence_alloc() and tries to grab the same object that we're
+ * reporting on. While it has never been observed, lockdep does
+ * report that there is a possibility of deadlock. Fix it by
+ * using trylock and bailing out gracefully.
+ */
+ raw_spin_lock_irqsave(&kfence_freelist_lock, flags);
+ /* Put the object back on the freelist. */
+ list_add_tail(&meta->list, &kfence_freelist);
+ raw_spin_unlock_irqrestore(&kfence_freelist_lock, flags);
+
+ return NULL;
+ }
+
+ meta->addr = metadata_to_pageaddr(meta);
+ /* Unprotect if we're reusing this page. */
+ if (meta->state == KFENCE_OBJECT_FREED)
+ kfence_unprotect(meta->addr);
+
+ /*
+ * Note: for allocations made before RNG initialization, will always
+ * return zero. We still benefit from enabling KFENCE as early as
+ * possible, even when the RNG is not yet available, as this will allow
+ * KFENCE to detect bugs due to earlier allocations. The only downside
+ * is that the out-of-bounds accesses detected are deterministic for
+ * such allocations.
+ */
+ if (prandom_u32_max(2)) {
+ /* Allocate on the "right" side, re-calculate address. */
+ meta->addr += PAGE_SIZE - size;
+ meta->addr = ALIGN_DOWN(meta->addr, cache->align);
+ }
+
+ addr = (void *)meta->addr;
+
+ /* Update remaining metadata. */
+ metadata_update_state(meta, KFENCE_OBJECT_ALLOCATED);
+ /* Pairs with READ_ONCE() in kfence_shutdown_cache(). */
+ WRITE_ONCE(meta->cache, cache);
+ meta->size = size;
+ for_each_canary(meta, set_canary_byte);
+
+ /* Set required struct page fields. */
+ page = virt_to_page(meta->addr);
+ page->slab_cache = cache;
+ if (IS_ENABLED(CONFIG_SLUB))
+ page->objects = 1;
+ if (IS_ENABLED(CONFIG_SLAB))
+ page->s_mem = addr;
+
+ raw_spin_unlock_irqrestore(&meta->lock, flags);
+
+ /* Memory initialization. */
+
+ /*
+ * We check slab_want_init_on_alloc() ourselves, rather than letting
+ * SL*B do the initialization, as otherwise we might overwrite KFENCE's
+ * redzone.
+ */
+ if (unlikely(slab_want_init_on_alloc(gfp, cache)))
+ memzero_explicit(addr, size);
+ if (cache->ctor)
+ cache->ctor(addr);
+
+ if (CONFIG_KFENCE_STRESS_TEST_FAULTS && !prandom_u32_max(CONFIG_KFENCE_STRESS_TEST_FAULTS))
+ kfence_protect(meta->addr); /* Random "faults" by protecting the object. */
+
+ atomic_long_inc(&counters[KFENCE_COUNTER_ALLOCATED]);
+ atomic_long_inc(&counters[KFENCE_COUNTER_ALLOCS]);
+
+ return addr;
+}
+
+static void kfence_guarded_free(void *addr, struct kfence_metadata *meta, bool zombie)
+{
+ struct kcsan_scoped_access assert_page_exclusive;
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&meta->lock, flags);
+
+ if (meta->state != KFENCE_OBJECT_ALLOCATED || meta->addr != (unsigned long)addr) {
+ /* Invalid or double-free, bail out. */
+ atomic_long_inc(&counters[KFENCE_COUNTER_BUGS]);
+ kfence_report_error((unsigned long)addr, false, NULL, meta,
+ KFENCE_ERROR_INVALID_FREE);
+ raw_spin_unlock_irqrestore(&meta->lock, flags);
+ return;
+ }
+
+ /* Detect racy use-after-free, or incorrect reallocation of this page by KFENCE. */
+ kcsan_begin_scoped_access((void *)ALIGN_DOWN((unsigned long)addr, PAGE_SIZE), PAGE_SIZE,
+ KCSAN_ACCESS_SCOPED | KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ASSERT,
+ &assert_page_exclusive);
+
+ if (CONFIG_KFENCE_STRESS_TEST_FAULTS)
+ kfence_unprotect((unsigned long)addr); /* To check canary bytes. */
+
+ /* Restore page protection if there was an OOB access. */
+ if (meta->unprotected_page) {
+ memzero_explicit((void *)ALIGN_DOWN(meta->unprotected_page, PAGE_SIZE), PAGE_SIZE);
+ kfence_protect(meta->unprotected_page);
+ meta->unprotected_page = 0;
+ }
+
+ /* Check canary bytes for memory corruption. */
+ for_each_canary(meta, check_canary_byte);
+
+ /*
+ * Clear memory if init-on-free is set. While we protect the page, the
+ * data is still there, and after a use-after-free is detected, we
+ * unprotect the page, so the data is still accessible.
+ */
+ if (!zombie && unlikely(slab_want_init_on_free(meta->cache)))
+ memzero_explicit(addr, meta->size);
+
+ /* Mark the object as freed. */
+ metadata_update_state(meta, KFENCE_OBJECT_FREED);
+
+ raw_spin_unlock_irqrestore(&meta->lock, flags);
+
+ /* Protect to detect use-after-frees. */
+ kfence_protect((unsigned long)addr);
+
+ kcsan_end_scoped_access(&assert_page_exclusive);
+ if (!zombie) {
+ /* Add it to the tail of the freelist for reuse. */
+ raw_spin_lock_irqsave(&kfence_freelist_lock, flags);
+ KFENCE_WARN_ON(!list_empty(&meta->list));
+ list_add_tail(&meta->list, &kfence_freelist);
+ raw_spin_unlock_irqrestore(&kfence_freelist_lock, flags);
+
+ atomic_long_dec(&counters[KFENCE_COUNTER_ALLOCATED]);
+ atomic_long_inc(&counters[KFENCE_COUNTER_FREES]);
+ } else {
+ /* See kfence_shutdown_cache(). */
+ atomic_long_inc(&counters[KFENCE_COUNTER_ZOMBIES]);
+ }
+}
+
+static void rcu_guarded_free(struct rcu_head *h)
+{
+ struct kfence_metadata *meta = container_of(h, struct kfence_metadata, rcu_head);
+
+ kfence_guarded_free((void *)meta->addr, meta, false);
+}
+
+static bool __init kfence_init_pool(void)
+{
+ unsigned long addr = (unsigned long)__kfence_pool;
+ struct page *pages;
+ int i;
+
+ if (!__kfence_pool)
+ return false;
+
+ if (!arch_kfence_init_pool())
+ goto err;
+
+ pages = virt_to_page(addr);
+
+ /*
+ * Set up object pages: they must have PG_slab set, to avoid freeing
+ * these as real pages.
+ *
+ * We also want to avoid inserting kfence_free() in the kfree()
+ * fast-path in SLUB, and therefore need to ensure kfree() correctly
+ * enters __slab_free() slow-path.
+ */
+ for (i = 0; i < KFENCE_POOL_SIZE / PAGE_SIZE; i++) {
+ if (!i || (i % 2))
+ continue;
+
+ /* Verify we do not have a compound head page. */
+ if (WARN_ON(compound_head(&pages[i]) != &pages[i]))
+ goto err;
+
+ __SetPageSlab(&pages[i]);
+ }
+
+ /*
+ * Protect the first 2 pages. The first page is mostly unnecessary, and
+ * merely serves as an extended guard page. However, adding one
+ * additional page in the beginning gives us an even number of pages,
+ * which simplifies the mapping of address to metadata index.
+ */
+ for (i = 0; i < 2; i++) {
+ if (unlikely(!kfence_protect(addr)))
+ goto err;
+
+ addr += PAGE_SIZE;
+ }
+
+ for (i = 0; i < CONFIG_KFENCE_NUM_OBJECTS; i++) {
+ struct kfence_metadata *meta = &kfence_metadata[i];
+
+ /* Initialize metadata. */
+ INIT_LIST_HEAD(&meta->list);
+ raw_spin_lock_init(&meta->lock);
+ meta->state = KFENCE_OBJECT_UNUSED;
+ meta->addr = addr; /* Initialize for validation in metadata_to_pageaddr(). */
+ list_add_tail(&meta->list, &kfence_freelist);
+
+ /* Protect the right redzone. */
+ if (unlikely(!kfence_protect(addr + PAGE_SIZE)))
+ goto err;
+
+ addr += 2 * PAGE_SIZE;
+ }
+
+ /*
+ * The pool is live and will never be deallocated from this point on.
+ * Remove the pool object from the kmemleak object tree, as it would
+ * otherwise overlap with allocations returned by kfence_alloc(), which
+ * are registered with kmemleak through the slab post-alloc hook.
+ */
+ kmemleak_free(__kfence_pool);
+
+ return true;
+
+err:
+ /*
+ * Only release unprotected pages, and do not try to go back and change
+ * page attributes due to risk of failing to do so as well. If changing
+ * page attributes for some pages fails, it is very likely that it also
+ * fails for the first page, and therefore expect addr==__kfence_pool in
+ * most failure cases.
+ */
+ memblock_free_late(__pa(addr), KFENCE_POOL_SIZE - (addr - (unsigned long)__kfence_pool));
+ __kfence_pool = NULL;
+ return false;
+}
+
+/* === DebugFS Interface ==================================================== */
+
+static int stats_show(struct seq_file *seq, void *v)
+{
+ int i;
+
+ seq_printf(seq, "enabled: %i\n", READ_ONCE(kfence_enabled));
+ for (i = 0; i < KFENCE_COUNTER_COUNT; i++)
+ seq_printf(seq, "%s: %ld\n", counter_names[i], atomic_long_read(&counters[i]));
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(stats);
+
+/*
+ * debugfs seq_file operations for /sys/kernel/debug/kfence/objects.
+ * start_object() and next_object() return the object index + 1, because NULL is used
+ * to stop iteration.
+ */
+static void *start_object(struct seq_file *seq, loff_t *pos)
+{
+ if (*pos < CONFIG_KFENCE_NUM_OBJECTS)
+ return (void *)((long)*pos + 1);
+ return NULL;
+}
+
+static void stop_object(struct seq_file *seq, void *v)
+{
+}
+
+static void *next_object(struct seq_file *seq, void *v, loff_t *pos)
+{
+ ++*pos;
+ if (*pos < CONFIG_KFENCE_NUM_OBJECTS)
+ return (void *)((long)*pos + 1);
+ return NULL;
+}
+
+static int show_object(struct seq_file *seq, void *v)
+{
+ struct kfence_metadata *meta = &kfence_metadata[(long)v - 1];
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&meta->lock, flags);
+ kfence_print_object(seq, meta);
+ raw_spin_unlock_irqrestore(&meta->lock, flags);
+ seq_puts(seq, "---------------------------------\n");
+
+ return 0;
+}
+
+static const struct seq_operations object_seqops = {
+ .start = start_object,
+ .next = next_object,
+ .stop = stop_object,
+ .show = show_object,
+};
+
+static int open_objects(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &object_seqops);
+}
+
+static const struct file_operations objects_fops = {
+ .open = open_objects,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
+static int __init kfence_debugfs_init(void)
+{
+ struct dentry *kfence_dir = debugfs_create_dir("kfence", NULL);
+
+ debugfs_create_file("stats", 0444, kfence_dir, NULL, &stats_fops);
+ debugfs_create_file("objects", 0400, kfence_dir, NULL, &objects_fops);
+ return 0;
+}
+
+late_initcall(kfence_debugfs_init);
+
+/* === Allocation Gate Timer ================================================ */
+
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+/* Wait queue to wake up allocation-gate timer task. */
+static DECLARE_WAIT_QUEUE_HEAD(allocation_wait);
+
+static void wake_up_kfence_timer(struct irq_work *work)
+{
+ wake_up(&allocation_wait);
+}
+static DEFINE_IRQ_WORK(wake_up_kfence_timer_work, wake_up_kfence_timer);
+#endif
+
+/*
+ * Set up delayed work, which will enable and disable the static key. We need to
+ * use a work queue (rather than a simple timer), since enabling and disabling a
+ * static key cannot be done from an interrupt.
+ *
+ * Note: Toggling a static branch currently causes IPIs, and here we'll end up
+ * with a total of 2 IPIs to all CPUs. If this ends up a problem in future (with
+ * more aggressive sampling intervals), we could get away with a variant that
+ * avoids IPIs, at the cost of not immediately capturing allocations if the
+ * instructions remain cached.
+ */
+static struct delayed_work kfence_timer;
+static void toggle_allocation_gate(struct work_struct *work)
+{
+ if (!READ_ONCE(kfence_enabled))
+ return;
+
+ atomic_set(&kfence_allocation_gate, 0);
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+ /* Enable static key, and await allocation to happen. */
+ static_branch_enable(&kfence_allocation_key);
+
+ if (sysctl_hung_task_timeout_secs) {
+ /*
+ * During low activity with no allocations we might wait a
+ * while; let's avoid the hung task warning.
+ */
+ wait_event_idle_timeout(allocation_wait, atomic_read(&kfence_allocation_gate),
+ sysctl_hung_task_timeout_secs * HZ / 2);
+ } else {
+ wait_event_idle(allocation_wait, atomic_read(&kfence_allocation_gate));
+ }
+
+ /* Disable static key and reset timer. */
+ static_branch_disable(&kfence_allocation_key);
+#endif
+ queue_delayed_work(system_unbound_wq, &kfence_timer,
+ msecs_to_jiffies(kfence_sample_interval));
+}
+static DECLARE_DELAYED_WORK(kfence_timer, toggle_allocation_gate);
+
+/* === Public interface ===================================================== */
+
+void __init kfence_alloc_pool(void)
+{
+ if (!kfence_sample_interval)
+ return;
+
+ __kfence_pool = memblock_alloc(KFENCE_POOL_SIZE, PAGE_SIZE);
+
+ if (!__kfence_pool)
+ pr_err("failed to allocate pool\n");
+}
+
+void __init kfence_init(void)
+{
+ /* Setting kfence_sample_interval to 0 on boot disables KFENCE. */
+ if (!kfence_sample_interval)
+ return;
+
+ if (!kfence_init_pool()) {
+ pr_err("%s failed\n", __func__);
+ return;
+ }
+
+ WRITE_ONCE(kfence_enabled, true);
+ queue_delayed_work(system_unbound_wq, &kfence_timer, 0);
+ pr_info("initialized - using %lu bytes for %d objects at 0x%p-0x%p\n", KFENCE_POOL_SIZE,
+ CONFIG_KFENCE_NUM_OBJECTS, (void *)__kfence_pool,
+ (void *)(__kfence_pool + KFENCE_POOL_SIZE));
+}
+
+void kfence_shutdown_cache(struct kmem_cache *s)
+{
+ unsigned long flags;
+ struct kfence_metadata *meta;
+ int i;
+
+ for (i = 0; i < CONFIG_KFENCE_NUM_OBJECTS; i++) {
+ bool in_use;
+
+ meta = &kfence_metadata[i];
+
+ /*
+ * If we observe some inconsistent cache and state pair where we
+ * should have returned false here, cache destruction is racing
+ * with either kmem_cache_alloc() or kmem_cache_free(). Taking
+ * the lock will not help, as different critical section
+ * serialization will have the same outcome.
+ */
+ if (READ_ONCE(meta->cache) != s ||
+ READ_ONCE(meta->state) != KFENCE_OBJECT_ALLOCATED)
+ continue;
+
+ raw_spin_lock_irqsave(&meta->lock, flags);
+ in_use = meta->cache == s && meta->state == KFENCE_OBJECT_ALLOCATED;
+ raw_spin_unlock_irqrestore(&meta->lock, flags);
+
+ if (in_use) {
+ /*
+ * This cache still has allocations, and we should not
+ * release them back into the freelist so they can still
+ * safely be used and retain the kernel's default
+ * behaviour of keeping the allocations alive (leak the
+ * cache); however, they effectively become "zombie
+ * allocations" as the KFENCE objects are the only ones
+ * still in use and the owning cache is being destroyed.
+ *
+ * We mark them freed, so that any subsequent use shows
+ * more useful error messages that will include stack
+ * traces of the user of the object, the original
+ * allocation, and caller to shutdown_cache().
+ */
+ kfence_guarded_free((void *)meta->addr, meta, /*zombie=*/true);
+ }
+ }
+
+ for (i = 0; i < CONFIG_KFENCE_NUM_OBJECTS; i++) {
+ meta = &kfence_metadata[i];
+
+ /* See above. */
+ if (READ_ONCE(meta->cache) != s || READ_ONCE(meta->state) != KFENCE_OBJECT_FREED)
+ continue;
+
+ raw_spin_lock_irqsave(&meta->lock, flags);
+ if (meta->cache == s && meta->state == KFENCE_OBJECT_FREED)
+ meta->cache = NULL;
+ raw_spin_unlock_irqrestore(&meta->lock, flags);
+ }
+}
+
+void *__kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags)
+{
+ /*
+ * Perform size check before switching kfence_allocation_gate, so that
+ * we don't disable KFENCE without making an allocation.
+ */
+ if (size > PAGE_SIZE)
+ return NULL;
+
+ /*
+ * Skip allocations from non-default zones, including DMA. We cannot
+ * guarantee that pages in the KFENCE pool will have the requested
+ * properties (e.g. reside in DMAable memory).
+ */
+ if ((flags & GFP_ZONEMASK) ||
+ (s->flags & (SLAB_CACHE_DMA | SLAB_CACHE_DMA32)))
+ return NULL;
+
+ /*
+ * allocation_gate only needs to become non-zero, so it doesn't make
+ * sense to continue writing to it and pay the associated contention
+ * cost, in case we have a large number of concurrent allocations.
+ */
+ if (atomic_read(&kfence_allocation_gate) || atomic_inc_return(&kfence_allocation_gate) > 1)
+ return NULL;
+#ifdef CONFIG_KFENCE_STATIC_KEYS
+ /*
+ * waitqueue_active() is fully ordered after the update of
+ * kfence_allocation_gate per atomic_inc_return().
+ */
+ if (waitqueue_active(&allocation_wait)) {
+ /*
+ * Calling wake_up() here may deadlock when allocations happen
+ * from within timer code. Use an irq_work to defer it.
+ */
+ irq_work_queue(&wake_up_kfence_timer_work);
+ }
+#endif
+
+ if (!READ_ONCE(kfence_enabled))
+ return NULL;
+
+ return kfence_guarded_alloc(s, size, flags);
+}
+
+size_t kfence_ksize(const void *addr)
+{
+ const struct kfence_metadata *meta = addr_to_metadata((unsigned long)addr);
+
+ /*
+ * Read locklessly -- if there is a race with __kfence_alloc(), this is
+ * either a use-after-free or invalid access.
+ */
+ return meta ? meta->size : 0;
+}
+
+void *kfence_object_start(const void *addr)
+{
+ const struct kfence_metadata *meta = addr_to_metadata((unsigned long)addr);
+
+ /*
+ * Read locklessly -- if there is a race with __kfence_alloc(), this is
+ * either a use-after-free or invalid access.
+ */
+ return meta ? (void *)meta->addr : NULL;
+}
+
+void __kfence_free(void *addr)
+{
+ struct kfence_metadata *meta = addr_to_metadata((unsigned long)addr);
+
+ /*
+ * If the objects of the cache are SLAB_TYPESAFE_BY_RCU, defer freeing
+ * the object, as the object page may be recycled for other-typed
+ * objects once it has been freed. meta->cache may be NULL if the cache
+ * was destroyed.
+ */
+ if (unlikely(meta->cache && (meta->cache->flags & SLAB_TYPESAFE_BY_RCU)))
+ call_rcu(&meta->rcu_head, rcu_guarded_free);
+ else
+ kfence_guarded_free(addr, meta, false);
+}
+
+bool kfence_handle_page_fault(unsigned long addr, bool is_write, struct pt_regs *regs)
+{
+ const int page_index = (addr - (unsigned long)__kfence_pool) / PAGE_SIZE;
+ struct kfence_metadata *to_report = NULL;
+ enum kfence_error_type error_type;
+ unsigned long flags;
+
+ if (!is_kfence_address((void *)addr))
+ return false;
+
+ if (!READ_ONCE(kfence_enabled)) /* If disabled at runtime ... */
+ return kfence_unprotect(addr); /* ... unprotect and proceed. */
+
+ atomic_long_inc(&counters[KFENCE_COUNTER_BUGS]);
+
+ if (page_index % 2) {
+ /* This is a redzone, report a buffer overflow. */
+ struct kfence_metadata *meta;
+ int distance = 0;
+
+ meta = addr_to_metadata(addr - PAGE_SIZE);
+ if (meta && READ_ONCE(meta->state) == KFENCE_OBJECT_ALLOCATED) {
+ to_report = meta;
+ /* Data race ok; distance calculation approximate. */
+ distance = addr - data_race(meta->addr + meta->size);
+ }
+
+ meta = addr_to_metadata(addr + PAGE_SIZE);
+ if (meta && READ_ONCE(meta->state) == KFENCE_OBJECT_ALLOCATED) {
+ /* Data race ok; distance calculation approximate. */
+ if (!to_report || distance > data_race(meta->addr) - addr)
+ to_report = meta;
+ }
+
+ if (!to_report)
+ goto out;
+
+ raw_spin_lock_irqsave(&to_report->lock, flags);
+ to_report->unprotected_page = addr;
+ error_type = KFENCE_ERROR_OOB;
+
+ /*
+ * If the object was freed before we took the look we can still
+ * report this as an OOB -- the report will simply show the
+ * stacktrace of the free as well.
+ */
+ } else {
+ to_report = addr_to_metadata(addr);
+ if (!to_report)
+ goto out;
+
+ raw_spin_lock_irqsave(&to_report->lock, flags);
+ error_type = KFENCE_ERROR_UAF;
+ /*
+ * We may race with __kfence_alloc(), and it is possible that a
+ * freed object may be reallocated. We simply report this as a
+ * use-after-free, with the stack trace showing the place where
+ * the object was re-allocated.
+ */
+ }
+
+out:
+ if (to_report) {
+ kfence_report_error(addr, is_write, regs, to_report, error_type);
+ raw_spin_unlock_irqrestore(&to_report->lock, flags);
+ } else {
+ /* This may be a UAF or OOB access, but we can't be sure. */
+ kfence_report_error(addr, is_write, regs, NULL, KFENCE_ERROR_INVALID);
+ }
+
+ return kfence_unprotect(addr); /* Unprotect and let access proceed. */
+}
diff --git a/mm/kfence/kfence.h b/mm/kfence/kfence.h
new file mode 100644
index 0000000..2406532
--- /dev/null
+++ b/mm/kfence/kfence.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Kernel Electric-Fence (KFENCE). For more info please see
+ * Documentation/dev-tools/kfence.rst.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#ifndef MM_KFENCE_KFENCE_H
+#define MM_KFENCE_KFENCE_H
+
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include "../slab.h" /* for struct kmem_cache */
+
+/*
+ * Get the canary byte pattern for @addr. Use a pattern that varies based on the
+ * lower 3 bits of the address, to detect memory corruptions with higher
+ * probability, where similar constants are used.
+ */
+#define KFENCE_CANARY_PATTERN(addr) ((u8)0xaa ^ (u8)((unsigned long)(addr) & 0x7))
+
+/* Maximum stack depth for reports. */
+#define KFENCE_STACK_DEPTH 64
+
+/* KFENCE object states. */
+enum kfence_object_state {
+ KFENCE_OBJECT_UNUSED, /* Object is unused. */
+ KFENCE_OBJECT_ALLOCATED, /* Object is currently allocated. */
+ KFENCE_OBJECT_FREED, /* Object was allocated, and then freed. */
+};
+
+/* Alloc/free tracking information. */
+struct kfence_track {
+ pid_t pid;
+ int num_stack_entries;
+ unsigned long stack_entries[KFENCE_STACK_DEPTH];
+};
+
+/* KFENCE metadata per guarded allocation. */
+struct kfence_metadata {
+ struct list_head list; /* Freelist node; access under kfence_freelist_lock. */
+ struct rcu_head rcu_head; /* For delayed freeing. */
+
+ /*
+ * Lock protecting below data; to ensure consistency of the below data,
+ * since the following may execute concurrently: __kfence_alloc(),
+ * __kfence_free(), kfence_handle_page_fault(). However, note that we
+ * cannot grab the same metadata off the freelist twice, and multiple
+ * __kfence_alloc() cannot run concurrently on the same metadata.
+ */
+ raw_spinlock_t lock;
+
+ /* The current state of the object; see above. */
+ enum kfence_object_state state;
+
+ /*
+ * Allocated object address; cannot be calculated from size, because of
+ * alignment requirements.
+ *
+ * Invariant: ALIGN_DOWN(addr, PAGE_SIZE) is constant.
+ */
+ unsigned long addr;
+
+ /*
+ * The size of the original allocation.
+ */
+ size_t size;
+
+ /*
+ * The kmem_cache cache of the last allocation; NULL if never allocated
+ * or the cache has already been destroyed.
+ */
+ struct kmem_cache *cache;
+
+ /*
+ * In case of an invalid access, the page that was unprotected; we
+ * optimistically only store one address.
+ */
+ unsigned long unprotected_page;
+
+ /* Allocation and free stack information. */
+ struct kfence_track alloc_track;
+ struct kfence_track free_track;
+};
+
+extern struct kfence_metadata kfence_metadata[CONFIG_KFENCE_NUM_OBJECTS];
+
+/* KFENCE error types for report generation. */
+enum kfence_error_type {
+ KFENCE_ERROR_OOB, /* Detected a out-of-bounds access. */
+ KFENCE_ERROR_UAF, /* Detected a use-after-free access. */
+ KFENCE_ERROR_CORRUPTION, /* Detected a memory corruption on free. */
+ KFENCE_ERROR_INVALID, /* Invalid access of unknown type. */
+ KFENCE_ERROR_INVALID_FREE, /* Invalid free. */
+};
+
+void kfence_report_error(unsigned long address, bool is_write, struct pt_regs *regs,
+ const struct kfence_metadata *meta, enum kfence_error_type type);
+
+void kfence_print_object(struct seq_file *seq, const struct kfence_metadata *meta);
+
+#endif /* MM_KFENCE_KFENCE_H */
diff --git a/mm/kfence/kfence_test.c b/mm/kfence/kfence_test.c
new file mode 100644
index 0000000..4acf425
--- /dev/null
+++ b/mm/kfence/kfence_test.c
@@ -0,0 +1,858 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Test cases for KFENCE memory safety error detector. Since the interface with
+ * which KFENCE's reports are obtained is via the console, this is the output we
+ * should verify. For each test case checks the presence (or absence) of
+ * generated reports. Relies on 'console' tracepoint to capture reports as they
+ * appear in the kernel log.
+ *
+ * Copyright (C) 2020, Google LLC.
+ * Author: Alexander Potapenko <glider@google.com>
+ * Marco Elver <elver@google.com>
+ */
+
+#include <kunit/test.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/kfence.h>
+#include <linux/mm.h>
+#include <linux/random.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/tracepoint.h>
+#include <trace/events/printk.h>
+
+#include "kfence.h"
+
+/* Report as observed from console. */
+static struct {
+ spinlock_t lock;
+ int nlines;
+ char lines[2][256];
+} observed = {
+ .lock = __SPIN_LOCK_UNLOCKED(observed.lock),
+};
+
+/* Probe for console output: obtains observed lines of interest. */
+static void probe_console(void *ignore, const char *buf, size_t len)
+{
+ unsigned long flags;
+ int nlines;
+
+ spin_lock_irqsave(&observed.lock, flags);
+ nlines = observed.nlines;
+
+ if (strnstr(buf, "BUG: KFENCE: ", len) && strnstr(buf, "test_", len)) {
+ /*
+ * KFENCE report and related to the test.
+ *
+ * The provided @buf is not NUL-terminated; copy no more than
+ * @len bytes and let strscpy() add the missing NUL-terminator.
+ */
+ strscpy(observed.lines[0], buf, min(len + 1, sizeof(observed.lines[0])));
+ nlines = 1;
+ } else if (nlines == 1 && (strnstr(buf, "at 0x", len) || strnstr(buf, "of 0x", len))) {
+ strscpy(observed.lines[nlines++], buf, min(len + 1, sizeof(observed.lines[0])));
+ }
+
+ WRITE_ONCE(observed.nlines, nlines); /* Publish new nlines. */
+ spin_unlock_irqrestore(&observed.lock, flags);
+}
+
+/* Check if a report related to the test exists. */
+static bool report_available(void)
+{
+ return READ_ONCE(observed.nlines) == ARRAY_SIZE(observed.lines);
+}
+
+/* Information we expect in a report. */
+struct expect_report {
+ enum kfence_error_type type; /* The type or error. */
+ void *fn; /* Function pointer to expected function where access occurred. */
+ char *addr; /* Address at which the bad access occurred. */
+ bool is_write; /* Is access a write. */
+};
+
+static const char *get_access_type(const struct expect_report *r)
+{
+ return r->is_write ? "write" : "read";
+}
+
+/* Check observed report matches information in @r. */
+static bool report_matches(const struct expect_report *r)
+{
+ bool ret = false;
+ unsigned long flags;
+ typeof(observed.lines) expect;
+ const char *end;
+ char *cur;
+
+ /* Doubled-checked locking. */
+ if (!report_available())
+ return false;
+
+ /* Generate expected report contents. */
+
+ /* Title */
+ cur = expect[0];
+ end = &expect[0][sizeof(expect[0]) - 1];
+ switch (r->type) {
+ case KFENCE_ERROR_OOB:
+ cur += scnprintf(cur, end - cur, "BUG: KFENCE: out-of-bounds %s",
+ get_access_type(r));
+ break;
+ case KFENCE_ERROR_UAF:
+ cur += scnprintf(cur, end - cur, "BUG: KFENCE: use-after-free %s",
+ get_access_type(r));
+ break;
+ case KFENCE_ERROR_CORRUPTION:
+ cur += scnprintf(cur, end - cur, "BUG: KFENCE: memory corruption");
+ break;
+ case KFENCE_ERROR_INVALID:
+ cur += scnprintf(cur, end - cur, "BUG: KFENCE: invalid %s",
+ get_access_type(r));
+ break;
+ case KFENCE_ERROR_INVALID_FREE:
+ cur += scnprintf(cur, end - cur, "BUG: KFENCE: invalid free");
+ break;
+ }
+
+ scnprintf(cur, end - cur, " in %pS", r->fn);
+ /* The exact offset won't match, remove it; also strip module name. */
+ cur = strchr(expect[0], '+');
+ if (cur)
+ *cur = '\0';
+
+ /* Access information */
+ cur = expect[1];
+ end = &expect[1][sizeof(expect[1]) - 1];
+
+ switch (r->type) {
+ case KFENCE_ERROR_OOB:
+ cur += scnprintf(cur, end - cur, "Out-of-bounds %s at", get_access_type(r));
+ break;
+ case KFENCE_ERROR_UAF:
+ cur += scnprintf(cur, end - cur, "Use-after-free %s at", get_access_type(r));
+ break;
+ case KFENCE_ERROR_CORRUPTION:
+ cur += scnprintf(cur, end - cur, "Corrupted memory at");
+ break;
+ case KFENCE_ERROR_INVALID:
+ cur += scnprintf(cur, end - cur, "Invalid %s at", get_access_type(r));
+ break;
+ case KFENCE_ERROR_INVALID_FREE:
+ cur += scnprintf(cur, end - cur, "Invalid free of");
+ break;
+ }
+
+ cur += scnprintf(cur, end - cur, " 0x%p", (void *)r->addr);
+
+ spin_lock_irqsave(&observed.lock, flags);
+ if (!report_available())
+ goto out; /* A new report is being captured. */
+
+ /* Finally match expected output to what we actually observed. */
+ ret = strstr(observed.lines[0], expect[0]) && strstr(observed.lines[1], expect[1]);
+out:
+ spin_unlock_irqrestore(&observed.lock, flags);
+ return ret;
+}
+
+/* ===== Test cases ===== */
+
+#define TEST_PRIV_WANT_MEMCACHE ((void *)1)
+
+/* Cache used by tests; if NULL, allocate from kmalloc instead. */
+static struct kmem_cache *test_cache;
+
+static size_t setup_test_cache(struct kunit *test, size_t size, slab_flags_t flags,
+ void (*ctor)(void *))
+{
+ if (test->priv != TEST_PRIV_WANT_MEMCACHE)
+ return size;
+
+ kunit_info(test, "%s: size=%zu, ctor=%ps\n", __func__, size, ctor);
+
+ /*
+ * Use SLAB_NOLEAKTRACE to prevent merging with existing caches. Any
+ * other flag in SLAB_NEVER_MERGE also works. Use SLAB_ACCOUNT to
+ * allocate via memcg, if enabled.
+ */
+ flags |= SLAB_NOLEAKTRACE | SLAB_ACCOUNT;
+ test_cache = kmem_cache_create("test", size, 1, flags, ctor);
+ KUNIT_ASSERT_TRUE_MSG(test, test_cache, "could not create cache");
+
+ return size;
+}
+
+static void test_cache_destroy(void)
+{
+ if (!test_cache)
+ return;
+
+ kmem_cache_destroy(test_cache);
+ test_cache = NULL;
+}
+
+static inline size_t kmalloc_cache_alignment(size_t size)
+{
+ return kmalloc_caches[kmalloc_type(GFP_KERNEL)][kmalloc_index(size)]->align;
+}
+
+/* Must always inline to match stack trace against caller. */
+static __always_inline void test_free(void *ptr)
+{
+ if (test_cache)
+ kmem_cache_free(test_cache, ptr);
+ else
+ kfree(ptr);
+}
+
+/*
+ * If this should be a KFENCE allocation, and on which side the allocation and
+ * the closest guard page should be.
+ */
+enum allocation_policy {
+ ALLOCATE_ANY, /* KFENCE, any side. */
+ ALLOCATE_LEFT, /* KFENCE, left side of page. */
+ ALLOCATE_RIGHT, /* KFENCE, right side of page. */
+ ALLOCATE_NONE, /* No KFENCE allocation. */
+};
+
+/*
+ * Try to get a guarded allocation from KFENCE. Uses either kmalloc() or the
+ * current test_cache if set up.
+ */
+static void *test_alloc(struct kunit *test, size_t size, gfp_t gfp, enum allocation_policy policy)
+{
+ void *alloc;
+ unsigned long timeout, resched_after;
+ const char *policy_name;
+
+ switch (policy) {
+ case ALLOCATE_ANY:
+ policy_name = "any";
+ break;
+ case ALLOCATE_LEFT:
+ policy_name = "left";
+ break;
+ case ALLOCATE_RIGHT:
+ policy_name = "right";
+ break;
+ case ALLOCATE_NONE:
+ policy_name = "none";
+ break;
+ }
+
+ kunit_info(test, "%s: size=%zu, gfp=%x, policy=%s, cache=%i\n", __func__, size, gfp,
+ policy_name, !!test_cache);
+
+ /*
+ * 100x the sample interval should be more than enough to ensure we get
+ * a KFENCE allocation eventually.
+ */
+ timeout = jiffies + msecs_to_jiffies(100 * CONFIG_KFENCE_SAMPLE_INTERVAL);
+ /*
+ * Especially for non-preemption kernels, ensure the allocation-gate
+ * timer can catch up: after @resched_after, every failed allocation
+ * attempt yields, to ensure the allocation-gate timer is scheduled.
+ */
+ resched_after = jiffies + msecs_to_jiffies(CONFIG_KFENCE_SAMPLE_INTERVAL);
+ do {
+ if (test_cache)
+ alloc = kmem_cache_alloc(test_cache, gfp);
+ else
+ alloc = kmalloc(size, gfp);
+
+ if (is_kfence_address(alloc)) {
+ struct page *page = virt_to_head_page(alloc);
+ struct kmem_cache *s = test_cache ?: kmalloc_caches[kmalloc_type(GFP_KERNEL)][kmalloc_index(size)];
+
+ /*
+ * Verify that various helpers return the right values
+ * even for KFENCE objects; these are required so that
+ * memcg accounting works correctly.
+ */
+ KUNIT_EXPECT_EQ(test, obj_to_index(s, page, alloc), 0U);
+ KUNIT_EXPECT_EQ(test, objs_per_slab_page(s, page), 1);
+
+ if (policy == ALLOCATE_ANY)
+ return alloc;
+ if (policy == ALLOCATE_LEFT && IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
+ return alloc;
+ if (policy == ALLOCATE_RIGHT &&
+ !IS_ALIGNED((unsigned long)alloc, PAGE_SIZE))
+ return alloc;
+ } else if (policy == ALLOCATE_NONE)
+ return alloc;
+
+ test_free(alloc);
+
+ if (time_after(jiffies, resched_after))
+ cond_resched();
+ } while (time_before(jiffies, timeout));
+
+ KUNIT_ASSERT_TRUE_MSG(test, false, "failed to allocate from KFENCE");
+ return NULL; /* Unreachable. */
+}
+
+static void test_out_of_bounds_read(struct kunit *test)
+{
+ size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_OOB,
+ .fn = test_out_of_bounds_read,
+ .is_write = false,
+ };
+ char *buf;
+
+ setup_test_cache(test, size, 0, NULL);
+
+ /*
+ * If we don't have our own cache, adjust based on alignment, so that we
+ * actually access guard pages on either side.
+ */
+ if (!test_cache)
+ size = kmalloc_cache_alignment(size);
+
+ /* Test both sides. */
+
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT);
+ expect.addr = buf - 1;
+ READ_ONCE(*expect.addr);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+ test_free(buf);
+
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+ expect.addr = buf + size;
+ READ_ONCE(*expect.addr);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+ test_free(buf);
+}
+
+static void test_out_of_bounds_write(struct kunit *test)
+{
+ size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_OOB,
+ .fn = test_out_of_bounds_write,
+ .is_write = true,
+ };
+ char *buf;
+
+ setup_test_cache(test, size, 0, NULL);
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT);
+ expect.addr = buf - 1;
+ WRITE_ONCE(*expect.addr, 42);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+ test_free(buf);
+}
+
+static void test_use_after_free_read(struct kunit *test)
+{
+ const size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_UAF,
+ .fn = test_use_after_free_read,
+ .is_write = false,
+ };
+
+ setup_test_cache(test, size, 0, NULL);
+ expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+ test_free(expect.addr);
+ READ_ONCE(*expect.addr);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+static void test_double_free(struct kunit *test)
+{
+ const size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_INVALID_FREE,
+ .fn = test_double_free,
+ };
+
+ setup_test_cache(test, size, 0, NULL);
+ expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+ test_free(expect.addr);
+ test_free(expect.addr); /* Double-free. */
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+static void test_invalid_addr_free(struct kunit *test)
+{
+ const size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_INVALID_FREE,
+ .fn = test_invalid_addr_free,
+ };
+ char *buf;
+
+ setup_test_cache(test, size, 0, NULL);
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+ expect.addr = buf + 1; /* Free on invalid address. */
+ test_free(expect.addr); /* Invalid address free. */
+ test_free(buf); /* No error. */
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+static void test_corruption(struct kunit *test)
+{
+ size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_CORRUPTION,
+ .fn = test_corruption,
+ };
+ char *buf;
+
+ setup_test_cache(test, size, 0, NULL);
+
+ /* Test both sides. */
+
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT);
+ expect.addr = buf + size;
+ WRITE_ONCE(*expect.addr, 42);
+ test_free(buf);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+ expect.addr = buf - 1;
+ WRITE_ONCE(*expect.addr, 42);
+ test_free(buf);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/*
+ * KFENCE is unable to detect an OOB if the allocation's alignment requirements
+ * leave a gap between the object and the guard page. Specifically, an
+ * allocation of e.g. 73 bytes is aligned on 8 and 128 bytes for SLUB or SLAB
+ * respectively. Therefore it is impossible for the allocated object to
+ * contiguously line up with the right guard page.
+ *
+ * However, we test that an access to memory beyond the gap results in KFENCE
+ * detecting an OOB access.
+ */
+static void test_kmalloc_aligned_oob_read(struct kunit *test)
+{
+ const size_t size = 73;
+ const size_t align = kmalloc_cache_alignment(size);
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_OOB,
+ .fn = test_kmalloc_aligned_oob_read,
+ .is_write = false,
+ };
+ char *buf;
+
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+
+ /*
+ * The object is offset to the right, so there won't be an OOB to the
+ * left of it.
+ */
+ READ_ONCE(*(buf - 1));
+ KUNIT_EXPECT_FALSE(test, report_available());
+
+ /*
+ * @buf must be aligned on @align, therefore buf + size belongs to the
+ * same page -> no OOB.
+ */
+ READ_ONCE(*(buf + size));
+ KUNIT_EXPECT_FALSE(test, report_available());
+
+ /* Overflowing by @align bytes will result in an OOB. */
+ expect.addr = buf + size + align;
+ READ_ONCE(*expect.addr);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+
+ test_free(buf);
+}
+
+static void test_kmalloc_aligned_oob_write(struct kunit *test)
+{
+ const size_t size = 73;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_CORRUPTION,
+ .fn = test_kmalloc_aligned_oob_write,
+ };
+ char *buf;
+
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT);
+ /*
+ * The object is offset to the right, so we won't get a page
+ * fault immediately after it.
+ */
+ expect.addr = buf + size;
+ WRITE_ONCE(*expect.addr, READ_ONCE(*expect.addr) + 1);
+ KUNIT_EXPECT_FALSE(test, report_available());
+ test_free(buf);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/* Test cache shrinking and destroying with KFENCE. */
+static void test_shrink_memcache(struct kunit *test)
+{
+ const size_t size = 32;
+ void *buf;
+
+ setup_test_cache(test, size, 0, NULL);
+ KUNIT_EXPECT_TRUE(test, test_cache);
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+ kmem_cache_shrink(test_cache);
+ test_free(buf);
+
+ KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+static void ctor_set_x(void *obj)
+{
+ /* Every object has at least 8 bytes. */
+ memset(obj, 'x', 8);
+}
+
+/* Ensure that SL*B does not modify KFENCE objects on bulk free. */
+static void test_free_bulk(struct kunit *test)
+{
+ int iter;
+
+ for (iter = 0; iter < 5; iter++) {
+ const size_t size = setup_test_cache(test, 8 + prandom_u32_max(300), 0,
+ (iter & 1) ? ctor_set_x : NULL);
+ void *objects[] = {
+ test_alloc(test, size, GFP_KERNEL, ALLOCATE_RIGHT),
+ test_alloc(test, size, GFP_KERNEL, ALLOCATE_NONE),
+ test_alloc(test, size, GFP_KERNEL, ALLOCATE_LEFT),
+ test_alloc(test, size, GFP_KERNEL, ALLOCATE_NONE),
+ test_alloc(test, size, GFP_KERNEL, ALLOCATE_NONE),
+ };
+
+ kmem_cache_free_bulk(test_cache, ARRAY_SIZE(objects), objects);
+ KUNIT_ASSERT_FALSE(test, report_available());
+ test_cache_destroy();
+ }
+}
+
+/* Test init-on-free works. */
+static void test_init_on_free(struct kunit *test)
+{
+ const size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_UAF,
+ .fn = test_init_on_free,
+ .is_write = false,
+ };
+ int i;
+
+ if (!IS_ENABLED(CONFIG_INIT_ON_FREE_DEFAULT_ON))
+ return;
+ /* Assume it hasn't been disabled on command line. */
+
+ setup_test_cache(test, size, 0, NULL);
+ expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+ for (i = 0; i < size; i++)
+ expect.addr[i] = i + 1;
+ test_free(expect.addr);
+
+ for (i = 0; i < size; i++) {
+ /*
+ * This may fail if the page was recycled by KFENCE and then
+ * written to again -- this however, is near impossible with a
+ * default config.
+ */
+ KUNIT_EXPECT_EQ(test, expect.addr[i], (char)0);
+
+ if (!i) /* Only check first access to not fail test if page is ever re-protected. */
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+ }
+}
+
+/* Ensure that constructors work properly. */
+static void test_memcache_ctor(struct kunit *test)
+{
+ const size_t size = 32;
+ char *buf;
+ int i;
+
+ setup_test_cache(test, size, 0, ctor_set_x);
+ buf = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+
+ for (i = 0; i < 8; i++)
+ KUNIT_EXPECT_EQ(test, buf[i], (char)'x');
+
+ test_free(buf);
+
+ KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+/* Test that memory is zeroed if requested. */
+static void test_gfpzero(struct kunit *test)
+{
+ const size_t size = PAGE_SIZE; /* PAGE_SIZE so we can use ALLOCATE_ANY. */
+ char *buf1, *buf2;
+ int i;
+
+ if (CONFIG_KFENCE_SAMPLE_INTERVAL > 100) {
+ kunit_warn(test, "skipping ... would take too long\n");
+ return;
+ }
+
+ setup_test_cache(test, size, 0, NULL);
+ buf1 = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+ for (i = 0; i < size; i++)
+ buf1[i] = i + 1;
+ test_free(buf1);
+
+ /* Try to get same address again -- this can take a while. */
+ for (i = 0;; i++) {
+ buf2 = test_alloc(test, size, GFP_KERNEL | __GFP_ZERO, ALLOCATE_ANY);
+ if (buf1 == buf2)
+ break;
+ test_free(buf2);
+
+ if (i == CONFIG_KFENCE_NUM_OBJECTS) {
+ kunit_warn(test, "giving up ... cannot get same object back\n");
+ return;
+ }
+ }
+
+ for (i = 0; i < size; i++)
+ KUNIT_EXPECT_EQ(test, buf2[i], (char)0);
+
+ test_free(buf2);
+
+ KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+static void test_invalid_access(struct kunit *test)
+{
+ const struct expect_report expect = {
+ .type = KFENCE_ERROR_INVALID,
+ .fn = test_invalid_access,
+ .addr = &__kfence_pool[10],
+ .is_write = false,
+ };
+
+ READ_ONCE(__kfence_pool[10]);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/* Test SLAB_TYPESAFE_BY_RCU works. */
+static void test_memcache_typesafe_by_rcu(struct kunit *test)
+{
+ const size_t size = 32;
+ struct expect_report expect = {
+ .type = KFENCE_ERROR_UAF,
+ .fn = test_memcache_typesafe_by_rcu,
+ .is_write = false,
+ };
+
+ setup_test_cache(test, size, SLAB_TYPESAFE_BY_RCU, NULL);
+ KUNIT_EXPECT_TRUE(test, test_cache); /* Want memcache. */
+
+ expect.addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY);
+ *expect.addr = 42;
+
+ rcu_read_lock();
+ test_free(expect.addr);
+ KUNIT_EXPECT_EQ(test, *expect.addr, (char)42);
+ /*
+ * Up to this point, memory should not have been freed yet, and
+ * therefore there should be no KFENCE report from the above access.
+ */
+ rcu_read_unlock();
+
+ /* Above access to @expect.addr should not have generated a report! */
+ KUNIT_EXPECT_FALSE(test, report_available());
+
+ /* Only after rcu_barrier() is the memory guaranteed to be freed. */
+ rcu_barrier();
+
+ /* Expect use-after-free. */
+ KUNIT_EXPECT_EQ(test, *expect.addr, (char)42);
+ KUNIT_EXPECT_TRUE(test, report_matches(&expect));
+}
+
+/* Test krealloc(). */
+static void test_krealloc(struct kunit *test)
+{
+ const size_t size = 32;
+ const struct expect_report expect = {
+ .type = KFENCE_ERROR_UAF,
+ .fn = test_krealloc,
+ .addr = test_alloc(test, size, GFP_KERNEL, ALLOCATE_ANY),
+ .is_write = false,
+ };
+ char *buf = expect.addr;
+ int i;
+
+ KUNIT_EXPECT_FALSE(test, test_cache);
+ KUNIT_EXPECT_EQ(test, ksize(buf), size); /* Precise size match after KFENCE alloc. */
+ for (i = 0; i < size; i++)
+ buf[i] = i + 1;
+
+ /* Check that we successfully change the size. */
+ buf = krealloc(buf, size * 3, GFP_KERNEL); /* Grow. */
+ /* Note: Might no longer be a KFENCE alloc. */
+ KUNIT_EXPECT_GE(test, ksize(buf), size * 3);
+ for (i = 0; i < size; i++)
+ KUNIT_EXPECT_EQ(test, buf[i], (char)(i + 1));
+ for (; i < size * 3; i++) /* Fill to extra bytes. */
+ buf[i] = i + 1;
+
+ buf = krealloc(buf, size * 2, GFP_KERNEL); /* Shrink. */
+ KUNIT_EXPECT_GE(test, ksize(buf), size * 2);
+ for (i = 0; i < size * 2; i++)
+ KUNIT_EXPECT_EQ(test, buf[i], (char)(i + 1));
+
+ buf = krealloc(buf, 0, GFP_KERNEL); /* Free. */
+ KUNIT_EXPECT_EQ(test, (unsigned long)buf, (unsigned long)ZERO_SIZE_PTR);
+ KUNIT_ASSERT_FALSE(test, report_available()); /* No reports yet! */
+
+ READ_ONCE(*expect.addr); /* Ensure krealloc() actually freed earlier KFENCE object. */
+ KUNIT_ASSERT_TRUE(test, report_matches(&expect));
+}
+
+/* Test that some objects from a bulk allocation belong to KFENCE pool. */
+static void test_memcache_alloc_bulk(struct kunit *test)
+{
+ const size_t size = 32;
+ bool pass = false;
+ unsigned long timeout;
+
+ setup_test_cache(test, size, 0, NULL);
+ KUNIT_EXPECT_TRUE(test, test_cache); /* Want memcache. */
+ /*
+ * 100x the sample interval should be more than enough to ensure we get
+ * a KFENCE allocation eventually.
+ */
+ timeout = jiffies + msecs_to_jiffies(100 * CONFIG_KFENCE_SAMPLE_INTERVAL);
+ do {
+ void *objects[100];
+ int i, num = kmem_cache_alloc_bulk(test_cache, GFP_ATOMIC, ARRAY_SIZE(objects),
+ objects);
+ if (!num)
+ continue;
+ for (i = 0; i < ARRAY_SIZE(objects); i++) {
+ if (is_kfence_address(objects[i])) {
+ pass = true;
+ break;
+ }
+ }
+ kmem_cache_free_bulk(test_cache, num, objects);
+ /*
+ * kmem_cache_alloc_bulk() disables interrupts, and calling it
+ * in a tight loop may not give KFENCE a chance to switch the
+ * static branch. Call cond_resched() to let KFENCE chime in.
+ */
+ cond_resched();
+ } while (!pass && time_before(jiffies, timeout));
+
+ KUNIT_EXPECT_TRUE(test, pass);
+ KUNIT_EXPECT_FALSE(test, report_available());
+}
+
+/*
+ * KUnit does not provide a way to provide arguments to tests, and we encode
+ * additional info in the name. Set up 2 tests per test case, one using the
+ * default allocator, and another using a custom memcache (suffix '-memcache').
+ */
+#define KFENCE_KUNIT_CASE(test_name) \
+ { .run_case = test_name, .name = #test_name }, \
+ { .run_case = test_name, .name = #test_name "-memcache" }
+
+static struct kunit_case kfence_test_cases[] = {
+ KFENCE_KUNIT_CASE(test_out_of_bounds_read),
+ KFENCE_KUNIT_CASE(test_out_of_bounds_write),
+ KFENCE_KUNIT_CASE(test_use_after_free_read),
+ KFENCE_KUNIT_CASE(test_double_free),
+ KFENCE_KUNIT_CASE(test_invalid_addr_free),
+ KFENCE_KUNIT_CASE(test_corruption),
+ KFENCE_KUNIT_CASE(test_free_bulk),
+ KFENCE_KUNIT_CASE(test_init_on_free),
+ KUNIT_CASE(test_kmalloc_aligned_oob_read),
+ KUNIT_CASE(test_kmalloc_aligned_oob_write),
+ KUNIT_CASE(test_shrink_memcache),
+ KUNIT_CASE(test_memcache_ctor),
+ KUNIT_CASE(test_invalid_access),
+ KUNIT_CASE(test_gfpzero),
+ KUNIT_CASE(test_memcache_typesafe_by_rcu),
+ KUNIT_CASE(test_krealloc),
+ KUNIT_CASE(test_memcache_alloc_bulk),
+ {},
+};
+
+/* ===== End test cases ===== */
+
+static int test_init(struct kunit *test)
+{
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&observed.lock, flags);
+ for (i = 0; i < ARRAY_SIZE(observed.lines); i++)
+ observed.lines[i][0] = '\0';
+ observed.nlines = 0;
+ spin_unlock_irqrestore(&observed.lock, flags);
+
+ /* Any test with 'memcache' in its name will want a memcache. */
+ if (strstr(test->name, "memcache"))
+ test->priv = TEST_PRIV_WANT_MEMCACHE;
+ else
+ test->priv = NULL;
+
+ return 0;
+}
+
+static void test_exit(struct kunit *test)
+{
+ test_cache_destroy();
+}
+
+static struct kunit_suite kfence_test_suite = {
+ .name = "kfence",
+ .test_cases = kfence_test_cases,
+ .init = test_init,
+ .exit = test_exit,
+};
+static struct kunit_suite *kfence_test_suites[] = { &kfence_test_suite, NULL };
+
+static void register_tracepoints(struct tracepoint *tp, void *ignore)
+{
+ check_trace_callback_type_console(probe_console);
+ if (!strcmp(tp->name, "console"))
+ WARN_ON(tracepoint_probe_register(tp, probe_console, NULL));
+}
+
+static void unregister_tracepoints(struct tracepoint *tp, void *ignore)
+{
+ if (!strcmp(tp->name, "console"))
+ tracepoint_probe_unregister(tp, probe_console, NULL);
+}
+
+/*
+ * We only want to do tracepoints setup and teardown once, therefore we have to
+ * customize the init and exit functions and cannot rely on kunit_test_suite().
+ */
+static int __init kfence_test_init(void)
+{
+ /*
+ * Because we want to be able to build the test as a module, we need to
+ * iterate through all known tracepoints, since the static registration
+ * won't work here.
+ */
+ for_each_kernel_tracepoint(register_tracepoints, NULL);
+ return __kunit_test_suites_init(kfence_test_suites);
+}
+
+static void kfence_test_exit(void)
+{
+ __kunit_test_suites_exit(kfence_test_suites);
+ for_each_kernel_tracepoint(unregister_tracepoints, NULL);
+ tracepoint_synchronize_unregister();
+}
+
+late_initcall(kfence_test_init);
+module_exit(kfence_test_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com>");
diff --git a/mm/kfence/report.c b/mm/kfence/report.c
new file mode 100644
index 0000000..e3f7145
--- /dev/null
+++ b/mm/kfence/report.c
@@ -0,0 +1,268 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KFENCE reporting.
+ *
+ * Copyright (C) 2020, Google LLC.
+ */
+
+#include <stdarg.h>
+
+#include <linux/kernel.h>
+#include <linux/lockdep.h>
+#include <linux/printk.h>
+#include <linux/sched/debug.h>
+#include <linux/seq_file.h>
+#include <linux/stacktrace.h>
+#include <linux/string.h>
+#include <trace/events/error_report.h>
+
+#include <asm/kfence.h>
+
+#include "kfence.h"
+
+/* May be overridden by <asm/kfence.h>. */
+#ifndef ARCH_FUNC_PREFIX
+#define ARCH_FUNC_PREFIX ""
+#endif
+
+extern bool no_hash_pointers;
+
+/* Helper function to either print to a seq_file or to console. */
+__printf(2, 3)
+static void seq_con_printf(struct seq_file *seq, const char *fmt, ...)
+{
+ va_list args;
+
+ va_start(args, fmt);
+ if (seq)
+ seq_vprintf(seq, fmt, args);
+ else
+ vprintk(fmt, args);
+ va_end(args);
+}
+
+/*
+ * Get the number of stack entries to skip to get out of MM internals. @type is
+ * optional, and if set to NULL, assumes an allocation or free stack.
+ */
+static int get_stack_skipnr(const unsigned long stack_entries[], int num_entries,
+ const enum kfence_error_type *type)
+{
+ char buf[64];
+ int skipnr, fallback = 0;
+
+ if (type) {
+ /* Depending on error type, find different stack entries. */
+ switch (*type) {
+ case KFENCE_ERROR_UAF:
+ case KFENCE_ERROR_OOB:
+ case KFENCE_ERROR_INVALID:
+ /*
+ * kfence_handle_page_fault() may be called with pt_regs
+ * set to NULL; in that case we'll simply show the full
+ * stack trace.
+ */
+ return 0;
+ case KFENCE_ERROR_CORRUPTION:
+ case KFENCE_ERROR_INVALID_FREE:
+ break;
+ }
+ }
+
+ for (skipnr = 0; skipnr < num_entries; skipnr++) {
+ int len = scnprintf(buf, sizeof(buf), "%ps", (void *)stack_entries[skipnr]);
+
+ if (str_has_prefix(buf, ARCH_FUNC_PREFIX "kfence_") ||
+ str_has_prefix(buf, ARCH_FUNC_PREFIX "__kfence_") ||
+ !strncmp(buf, ARCH_FUNC_PREFIX "__slab_free", len)) {
+ /*
+ * In case of tail calls from any of the below
+ * to any of the above.
+ */
+ fallback = skipnr + 1;
+ }
+
+ /* Also the *_bulk() variants by only checking prefixes. */
+ if (str_has_prefix(buf, ARCH_FUNC_PREFIX "kfree") ||
+ str_has_prefix(buf, ARCH_FUNC_PREFIX "kmem_cache_free") ||
+ str_has_prefix(buf, ARCH_FUNC_PREFIX "__kmalloc") ||
+ str_has_prefix(buf, ARCH_FUNC_PREFIX "kmem_cache_alloc"))
+ goto found;
+ }
+ if (fallback < num_entries)
+ return fallback;
+found:
+ skipnr++;
+ return skipnr < num_entries ? skipnr : 0;
+}
+
+static void kfence_print_stack(struct seq_file *seq, const struct kfence_metadata *meta,
+ bool show_alloc)
+{
+ const struct kfence_track *track = show_alloc ? &meta->alloc_track : &meta->free_track;
+
+ if (track->num_stack_entries) {
+ /* Skip allocation/free internals stack. */
+ int i = get_stack_skipnr(track->stack_entries, track->num_stack_entries, NULL);
+
+ /* stack_trace_seq_print() does not exist; open code our own. */
+ for (; i < track->num_stack_entries; i++)
+ seq_con_printf(seq, " %pS\n", (void *)track->stack_entries[i]);
+ } else {
+ seq_con_printf(seq, " no %s stack\n", show_alloc ? "allocation" : "deallocation");
+ }
+}
+
+void kfence_print_object(struct seq_file *seq, const struct kfence_metadata *meta)
+{
+ const int size = abs(meta->size);
+ const unsigned long start = meta->addr;
+ const struct kmem_cache *const cache = meta->cache;
+
+ lockdep_assert_held(&meta->lock);
+
+ if (meta->state == KFENCE_OBJECT_UNUSED) {
+ seq_con_printf(seq, "kfence-#%td unused\n", meta - kfence_metadata);
+ return;
+ }
+
+ seq_con_printf(seq,
+ "kfence-#%td [0x%p-0x%p"
+ ", size=%d, cache=%s] allocated by task %d:\n",
+ meta - kfence_metadata, (void *)start, (void *)(start + size - 1), size,
+ (cache && cache->name) ? cache->name : "<destroyed>", meta->alloc_track.pid);
+ kfence_print_stack(seq, meta, true);
+
+ if (meta->state == KFENCE_OBJECT_FREED) {
+ seq_con_printf(seq, "\nfreed by task %d:\n", meta->free_track.pid);
+ kfence_print_stack(seq, meta, false);
+ }
+}
+
+/*
+ * Show bytes at @addr that are different from the expected canary values, up to
+ * @max_bytes.
+ */
+static void print_diff_canary(unsigned long address, size_t bytes_to_show,
+ const struct kfence_metadata *meta)
+{
+ const unsigned long show_until_addr = address + bytes_to_show;
+ const u8 *cur, *end;
+
+ /* Do not show contents of object nor read into following guard page. */
+ end = (const u8 *)(address < meta->addr ? min(show_until_addr, meta->addr)
+ : min(show_until_addr, PAGE_ALIGN(address)));
+
+ pr_cont("[");
+ for (cur = (const u8 *)address; cur < end; cur++) {
+ if (*cur == KFENCE_CANARY_PATTERN(cur))
+ pr_cont(" .");
+ else if (no_hash_pointers)
+ pr_cont(" 0x%02x", *cur);
+ else /* Do not leak kernel memory in non-debug builds. */
+ pr_cont(" !");
+ }
+ pr_cont(" ]");
+}
+
+static const char *get_access_type(bool is_write)
+{
+ return is_write ? "write" : "read";
+}
+
+void kfence_report_error(unsigned long address, bool is_write, struct pt_regs *regs,
+ const struct kfence_metadata *meta, enum kfence_error_type type)
+{
+ unsigned long stack_entries[KFENCE_STACK_DEPTH] = { 0 };
+ const ptrdiff_t object_index = meta ? meta - kfence_metadata : -1;
+ int num_stack_entries;
+ int skipnr = 0;
+
+ if (regs) {
+ num_stack_entries = stack_trace_save_regs(regs, stack_entries, KFENCE_STACK_DEPTH, 0);
+ } else {
+ num_stack_entries = stack_trace_save(stack_entries, KFENCE_STACK_DEPTH, 1);
+ skipnr = get_stack_skipnr(stack_entries, num_stack_entries, &type);
+ }
+
+ /* Require non-NULL meta, except if KFENCE_ERROR_INVALID. */
+ if (WARN_ON(type != KFENCE_ERROR_INVALID && !meta))
+ return;
+
+ if (meta)
+ lockdep_assert_held(&meta->lock);
+ /*
+ * Because we may generate reports in printk-unfriendly parts of the
+ * kernel, such as scheduler code, the use of printk() could deadlock.
+ * Until such time that all printing code here is safe in all parts of
+ * the kernel, accept the risk, and just get our message out (given the
+ * system might already behave unpredictably due to the memory error).
+ * As such, also disable lockdep to hide warnings, and avoid disabling
+ * lockdep for the rest of the kernel.
+ */
+ lockdep_off();
+
+ pr_err("==================================================================\n");
+ /* Print report header. */
+ switch (type) {
+ case KFENCE_ERROR_OOB: {
+ const bool left_of_object = address < meta->addr;
+
+ pr_err("BUG: KFENCE: out-of-bounds %s in %pS\n\n", get_access_type(is_write),
+ (void *)stack_entries[skipnr]);
+ pr_err("Out-of-bounds %s at 0x%p (%luB %s of kfence-#%td):\n",
+ get_access_type(is_write), (void *)address,
+ left_of_object ? meta->addr - address : address - meta->addr,
+ left_of_object ? "left" : "right", object_index);
+ break;
+ }
+ case KFENCE_ERROR_UAF:
+ pr_err("BUG: KFENCE: use-after-free %s in %pS\n\n", get_access_type(is_write),
+ (void *)stack_entries[skipnr]);
+ pr_err("Use-after-free %s at 0x%p (in kfence-#%td):\n",
+ get_access_type(is_write), (void *)address, object_index);
+ break;
+ case KFENCE_ERROR_CORRUPTION:
+ pr_err("BUG: KFENCE: memory corruption in %pS\n\n", (void *)stack_entries[skipnr]);
+ pr_err("Corrupted memory at 0x%p ", (void *)address);
+ print_diff_canary(address, 16, meta);
+ pr_cont(" (in kfence-#%td):\n", object_index);
+ break;
+ case KFENCE_ERROR_INVALID:
+ pr_err("BUG: KFENCE: invalid %s in %pS\n\n", get_access_type(is_write),
+ (void *)stack_entries[skipnr]);
+ pr_err("Invalid %s at 0x%p:\n", get_access_type(is_write),
+ (void *)address);
+ break;
+ case KFENCE_ERROR_INVALID_FREE:
+ pr_err("BUG: KFENCE: invalid free in %pS\n\n", (void *)stack_entries[skipnr]);
+ pr_err("Invalid free of 0x%p (in kfence-#%td):\n", (void *)address,
+ object_index);
+ break;
+ }
+
+ /* Print stack trace and object info. */
+ stack_trace_print(stack_entries + skipnr, num_stack_entries - skipnr, 0);
+
+ if (meta) {
+ pr_err("\n");
+ kfence_print_object(NULL, meta);
+ }
+
+ /* Print report footer. */
+ pr_err("\n");
+ if (no_hash_pointers && regs)
+ show_regs(regs);
+ else
+ dump_stack_print_info(KERN_ERR);
+ trace_error_report_end(ERROR_DETECTOR_KFENCE, address);
+ pr_err("==================================================================\n");
+
+ lockdep_on();
+
+ if (panic_on_warn)
+ panic("panic_on_warn set ...\n");
+
+ /* We encountered a memory unsafety error, taint the kernel! */
+ add_taint(TAINT_BAD_PAGE, LOCKDEP_STILL_OK);
+}
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 969e57d..8008e6c 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -457,7 +457,8 @@ static bool hugepage_vma_check(struct vm_area_struct *vma,
/* Only regular file is valid */
if (IS_ENABLED(CONFIG_READ_ONLY_THP_FOR_FS) && vma->vm_file &&
- (vm_flags & VM_DENYWRITE)) {
+ !inode_is_open_for_write(vma->vm_file->f_inode) &&
+ (vm_flags & VM_EXEC)) {
struct inode *inode = vma->vm_file->f_inode;
return S_ISREG(inode->i_mode);
@@ -1000,38 +1001,43 @@ static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address,
static bool __collapse_huge_page_swapin(struct mm_struct *mm,
struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmd,
+ unsigned long haddr, pmd_t *pmd,
int referenced)
{
int swapped_in = 0;
vm_fault_t ret = 0;
- struct vm_fault vmf = {
- .vma = vma,
- .address = address,
- .flags = FAULT_FLAG_ALLOW_RETRY,
- .pmd = pmd,
- .pgoff = linear_page_index(vma, address),
- };
+ unsigned long address, end = haddr + (HPAGE_PMD_NR * PAGE_SIZE);
- vmf.pte = pte_offset_map(pmd, address);
- for (; vmf.address < address + HPAGE_PMD_NR*PAGE_SIZE;
- vmf.pte++, vmf.address += PAGE_SIZE) {
+ for (address = haddr; address < end; address += PAGE_SIZE) {
+ struct vm_fault vmf = {
+ .vma = vma,
+ .address = address,
+ .pgoff = linear_page_index(vma, haddr),
+ .flags = FAULT_FLAG_ALLOW_RETRY,
+ .pmd = pmd,
+ .vma_flags = vma->vm_flags,
+ .vma_page_prot = vma->vm_page_prot,
+ };
+
+ vmf.pte = pte_offset_map(pmd, address);
vmf.orig_pte = *vmf.pte;
- if (!is_swap_pte(vmf.orig_pte))
+ if (!is_swap_pte(vmf.orig_pte)) {
+ pte_unmap(vmf.pte);
continue;
+ }
swapped_in++;
ret = do_swap_page(&vmf);
/* do_swap_page returns VM_FAULT_RETRY with released mmap_lock */
if (ret & VM_FAULT_RETRY) {
mmap_read_lock(mm);
- if (hugepage_vma_revalidate(mm, address, &vmf.vma)) {
+ if (hugepage_vma_revalidate(mm, haddr, &vma)) {
/* vma is no longer available, don't continue to swapin */
trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0);
return false;
}
/* check if the pmd is still valid */
- if (mm_find_pmd(mm, address) != pmd) {
+ if (mm_find_pmd(mm, haddr) != pmd) {
trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0);
return false;
}
@@ -1040,11 +1046,7 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm,
trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0);
return false;
}
- /* pte is unmapped now, we need to map it */
- vmf.pte = pte_offset_map(pmd, vmf.address);
}
- vmf.pte--;
- pte_unmap(vmf.pte);
/* Drain LRU add pagevec to remove extra pin on the swapped in pages */
if (swapped_in)
@@ -1133,6 +1135,7 @@ static void collapse_huge_page(struct mm_struct *mm,
if (mm_find_pmd(mm, address) != pmd)
goto out;
+ vm_write_begin(vma);
anon_vma_lock_write(vma->anon_vma);
mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL, mm,
@@ -1170,6 +1173,7 @@ static void collapse_huge_page(struct mm_struct *mm,
pmd_populate(mm, pmd, pmd_pgtable(_pmd));
spin_unlock(pmd_ptl);
anon_vma_unlock_write(vma->anon_vma);
+ vm_write_end(vma);
result = SCAN_FAIL;
goto out;
}
@@ -1204,6 +1208,7 @@ static void collapse_huge_page(struct mm_struct *mm,
set_pmd_at(mm, address, pmd, _pmd);
update_mmu_cache_pmd(vma, address, pmd);
spin_unlock(pmd_ptl);
+ vm_write_end(vma);
*hpage = NULL;
@@ -1865,6 +1870,19 @@ static void collapse_file(struct mm_struct *mm,
else {
__inc_node_page_state(new_page, NR_FILE_THPS);
filemap_nr_thps_inc(mapping);
+ /*
+ * Paired with smp_mb() in do_dentry_open() to ensure
+ * i_writecount is up to date and the update to nr_thps is
+ * visible. Ensures the page cache will be truncated if the
+ * file is opened writable.
+ */
+ smp_mb();
+ if (inode_is_open_for_write(mapping->host)) {
+ result = SCAN_FAIL;
+ __dec_node_page_state(new_page, NR_FILE_THPS);
+ filemap_nr_thps_dec(mapping);
+ goto xa_locked;
+ }
}
if (nr_none) {
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index c0014d3..65df87f 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -97,6 +97,7 @@
#include <linux/atomic.h>
#include <linux/kasan.h>
+#include <linux/kfence.h>
#include <linux/kmemleak.h>
#include <linux/memory_hotplug.h>
@@ -289,7 +290,7 @@ static void hex_dump_object(struct seq_file *seq,
warn_or_seq_printf(seq, " hex dump (first %zu bytes):\n", len);
kasan_disable_current();
warn_or_seq_hex_dump(seq, DUMP_PREFIX_NONE, HEX_ROW_SIZE,
- HEX_GROUP_SIZE, ptr, len, HEX_ASCII);
+ HEX_GROUP_SIZE, kasan_reset_tag((void *)ptr), len, HEX_ASCII);
kasan_enable_current();
}
@@ -589,7 +590,7 @@ static struct kmemleak_object *create_object(unsigned long ptr, size_t size,
atomic_set(&object->use_count, 1);
object->flags = OBJECT_ALLOCATED;
object->pointer = ptr;
- object->size = size;
+ object->size = kfence_ksize((void *)ptr) ?: size;
object->excess_ref = 0;
object->min_count = min_count;
object->count = 0; /* white color initially */
@@ -1170,7 +1171,7 @@ static bool update_checksum(struct kmemleak_object *object)
kasan_disable_current();
kcsan_disable_current();
- object->checksum = crc32(0, (void *)object->pointer, object->size);
+ object->checksum = crc32(0, kasan_reset_tag((void *)object->pointer), object->size);
kasan_enable_current();
kcsan_enable_current();
@@ -1245,7 +1246,7 @@ static void scan_block(void *_start, void *_end,
break;
kasan_disable_current();
- pointer = *ptr;
+ pointer = *(unsigned long *)kasan_reset_tag((void *)ptr);
kasan_enable_current();
untagged_ptr = (unsigned long)kasan_reset_tag((void *)pointer);
diff --git a/mm/ksm.c b/mm/ksm.c
index 25b8362..e2464c0 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -484,7 +484,7 @@ static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
NULL);
else
ret = VM_FAULT_WRITE;
- put_page(page);
+ put_user_page(page);
} while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | VM_FAULT_OOM)));
/*
* We must loop because handle_mm_fault() may back out if there's
@@ -569,7 +569,7 @@ static struct page *get_mergeable_page(struct rmap_item *rmap_item)
flush_anon_page(vma, page, addr);
flush_dcache_page(page);
} else {
- put_page(page);
+ put_user_page(page);
out:
page = NULL;
}
@@ -1950,7 +1950,7 @@ struct rmap_item *unstable_tree_search_insert(struct rmap_item *rmap_item,
* Don't substitute a ksm page for a forked page.
*/
if (page == tree_page) {
- put_page(tree_page);
+ put_user_page(tree_page);
return NULL;
}
@@ -1958,10 +1958,10 @@ struct rmap_item *unstable_tree_search_insert(struct rmap_item *rmap_item,
parent = *new;
if (ret < 0) {
- put_page(tree_page);
+ put_user_page(tree_page);
new = &parent->rb_left;
} else if (ret > 0) {
- put_page(tree_page);
+ put_user_page(tree_page);
new = &parent->rb_right;
} else if (!ksm_merge_across_nodes &&
page_to_nid(tree_page) != nid) {
@@ -1970,7 +1970,7 @@ struct rmap_item *unstable_tree_search_insert(struct rmap_item *rmap_item,
* it will be flushed out and put in the right unstable
* tree next time: only merge with it when across_nodes.
*/
- put_page(tree_page);
+ put_user_page(tree_page);
return NULL;
} else {
*tree_pagep = tree_page;
@@ -2151,7 +2151,7 @@ static void cmp_and_merge_page(struct page *page, struct rmap_item *rmap_item)
*/
split = PageTransCompound(page)
&& compound_head(page) == compound_head(tree_page);
- put_page(tree_page);
+ put_user_page(tree_page);
if (kpage) {
/*
* The pages were successfully merged: insert new
@@ -2320,11 +2320,11 @@ static struct rmap_item *scan_get_next_rmap_item(struct page **page)
&rmap_item->rmap_list;
ksm_scan.address += PAGE_SIZE;
} else
- put_page(*page);
+ put_user_page(*page);
mmap_read_unlock(mm);
return rmap_item;
}
- put_page(*page);
+ put_user_page(*page);
ksm_scan.address += PAGE_SIZE;
cond_resched();
}
diff --git a/mm/madvise.c b/mm/madvise.c
index 24abc79..e865ae7 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -136,7 +136,7 @@ static long madvise_behavior(struct vm_area_struct *vma,
pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
*prev = vma_merge(mm, *prev, start, end, new_flags, vma->anon_vma,
vma->vm_file, pgoff, vma_policy(vma),
- vma->vm_userfaultfd_ctx);
+ vma->vm_userfaultfd_ctx, vma_get_anon_name(vma));
if (*prev) {
vma = *prev;
goto success;
@@ -168,7 +168,9 @@ static long madvise_behavior(struct vm_area_struct *vma,
/*
* vm_flags is protected by the mmap_lock held in write mode.
*/
- vma->vm_flags = new_flags;
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags, new_flags);
+ vm_write_end(vma);
out_convert_errno:
/*
@@ -489,9 +491,11 @@ static void madvise_cold_page_range(struct mmu_gather *tlb,
.tlb = tlb,
};
+ vm_write_begin(vma);
tlb_start_vma(tlb, vma);
walk_page_range(vma->vm_mm, addr, end, &cold_walk_ops, &walk_private);
tlb_end_vma(tlb, vma);
+ vm_write_end(vma);
}
static long madvise_cold(struct vm_area_struct *vma,
@@ -522,9 +526,11 @@ static void madvise_pageout_page_range(struct mmu_gather *tlb,
.tlb = tlb,
};
+ vm_write_begin(vma);
tlb_start_vma(tlb, vma);
walk_page_range(vma->vm_mm, addr, end, &cold_walk_ops, &walk_private);
tlb_end_vma(tlb, vma);
+ vm_write_end(vma);
}
static inline bool can_do_pageout(struct vm_area_struct *vma)
@@ -727,10 +733,12 @@ static int madvise_free_single_vma(struct vm_area_struct *vma,
update_hiwater_rss(mm);
mmu_notifier_invalidate_range_start(&range);
+ vm_write_begin(vma);
tlb_start_vma(&tlb, vma);
walk_page_range(vma->vm_mm, range.start, range.end,
&madvise_free_walk_ops, &tlb);
tlb_end_vma(&tlb, vma);
+ vm_write_end(vma);
mmu_notifier_invalidate_range_end(&range);
tlb_finish_mmu(&tlb, range.start, range.end);
@@ -988,6 +996,7 @@ process_madvise_behavior_valid(int behavior)
switch (behavior) {
case MADV_COLD:
case MADV_PAGEOUT:
+ case MADV_WILLNEED:
return true;
default:
return false;
diff --git a/mm/memblock.c b/mm/memblock.c
index c337df0..2270e3c 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -806,6 +806,9 @@ int __init_memblock memblock_free(phys_addr_t base, phys_addr_t size)
kmemleak_free_part_phys(base, size);
return memblock_remove_range(&memblock.reserved, base, size);
}
+#ifdef CONFIG_ARCH_KEEP_MEMBLOCK
+EXPORT_SYMBOL_GPL(memblock_free);
+#endif
int __init_memblock memblock_reserve(phys_addr_t base, phys_addr_t size)
{
@@ -1383,6 +1386,9 @@ phys_addr_t __init memblock_phys_alloc_range(phys_addr_t size,
phys_addr_t start,
phys_addr_t end)
{
+ memblock_dbg("%s: %llu bytes align=0x%llx from=%pa max_addr=%pa %pS\n",
+ __func__, (u64)size, (u64)align, &start, &end,
+ (void *)_RET_IP_);
return memblock_alloc_range_nid(size, align, start, end, NUMA_NO_NODE,
false);
}
@@ -1620,6 +1626,7 @@ phys_addr_t __init_memblock memblock_end_of_DRAM(void)
return (memblock.memory.regions[idx].base + memblock.memory.regions[idx].size);
}
+EXPORT_SYMBOL_GPL(memblock_end_of_DRAM);
static phys_addr_t __init_memblock __find_max_addr(phys_addr_t limit)
{
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4bb2a4c..0877b9d 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -67,6 +67,7 @@
#include <linux/uaccess.h>
#include <trace/events/vmscan.h>
+#include <trace/hooks/mm.h>
struct cgroup_subsys memory_cgrp_subsys __read_mostly;
EXPORT_SYMBOL(memory_cgrp_subsys);
@@ -5145,6 +5146,7 @@ static DEFINE_IDR(mem_cgroup_idr);
static void mem_cgroup_id_remove(struct mem_cgroup *memcg)
{
if (memcg->id.id > 0) {
+ trace_android_vh_mem_cgroup_id_remove(memcg);
idr_remove(&mem_cgroup_idr, memcg->id.id);
memcg->id.id = 0;
}
@@ -5182,6 +5184,7 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
WARN_ON_ONCE(!rcu_read_lock_held());
return idr_find(&mem_cgroup_idr, id);
}
+EXPORT_SYMBOL_GPL(mem_cgroup_from_id);
static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node)
{
@@ -5241,6 +5244,7 @@ static void __mem_cgroup_free(struct mem_cgroup *memcg)
{
int node;
+ trace_android_vh_mem_cgroup_free(memcg);
for_each_node(node)
free_mem_cgroup_per_node_info(memcg, node);
free_percpu(memcg->vmstats_percpu);
@@ -5324,6 +5328,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
memcg->deferred_split_queue.split_queue_len = 0;
#endif
idr_replace(&mem_cgroup_idr, memcg, memcg->id.id);
+ trace_android_vh_mem_cgroup_alloc(memcg);
return memcg;
fail:
mem_cgroup_id_remove(memcg);
@@ -5413,6 +5418,7 @@ static int mem_cgroup_css_online(struct cgroup_subsys_state *css)
/* Online state pins memcg ID, memcg ID pins CSS */
refcount_set(&memcg->id.ref, 1);
css_get(css);
+ trace_android_vh_mem_cgroup_css_online(css, memcg);
return 0;
}
@@ -5421,6 +5427,7 @@ static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)
struct mem_cgroup *memcg = mem_cgroup_from_css(css);
struct mem_cgroup_event *event, *tmp;
+ trace_android_vh_mem_cgroup_css_offline(css, memcg);
/*
* Unregister events and notify userspace.
* Notify userspace about cgroup removing only after rmdir of cgroup
@@ -6751,7 +6758,7 @@ void mem_cgroup_calculate_protection(struct mem_cgroup *root,
}
/**
- * mem_cgroup_charge - charge a newly allocated page to a cgroup
+ * __mem_cgroup_charge - charge a newly allocated page to a cgroup
* @page: page to charge
* @mm: mm context of the victim
* @gfp_mask: reclaim mode
@@ -6761,15 +6768,13 @@ void mem_cgroup_calculate_protection(struct mem_cgroup *root,
*
* Returns 0 on success. Otherwise, an error code is returned.
*/
-int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask)
+int __mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+ gfp_t gfp_mask)
{
unsigned int nr_pages = thp_nr_pages(page);
struct mem_cgroup *memcg = NULL;
int ret = 0;
- if (mem_cgroup_disabled())
- goto out;
-
if (PageSwapCache(page)) {
swp_entry_t ent = { .val = page_private(page), };
unsigned short id;
@@ -6939,18 +6944,15 @@ static void uncharge_list(struct list_head *page_list)
}
/**
- * mem_cgroup_uncharge - uncharge a page
+ * __mem_cgroup_uncharge - uncharge a page
* @page: page to uncharge
*
- * Uncharge a page previously charged with mem_cgroup_charge().
+ * Uncharge a page previously charged with __mem_cgroup_charge().
*/
-void mem_cgroup_uncharge(struct page *page)
+void __mem_cgroup_uncharge(struct page *page)
{
struct uncharge_gather ug;
- if (mem_cgroup_disabled())
- return;
-
/* Don't touch page->lru of any random page, pre-check: */
if (!page->mem_cgroup)
return;
@@ -6961,17 +6963,14 @@ void mem_cgroup_uncharge(struct page *page)
}
/**
- * mem_cgroup_uncharge_list - uncharge a list of page
+ * __mem_cgroup_uncharge_list - uncharge a list of page
* @page_list: list of pages to uncharge
*
* Uncharge a list of pages previously charged with
- * mem_cgroup_charge().
+ * __mem_cgroup_charge().
*/
-void mem_cgroup_uncharge_list(struct list_head *page_list)
+void __mem_cgroup_uncharge_list(struct list_head *page_list)
{
- if (mem_cgroup_disabled())
- return;
-
if (!list_empty(page_list))
uncharge_list(page_list);
}
@@ -7198,6 +7197,9 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
VM_BUG_ON_PAGE(PageLRU(page), page);
VM_BUG_ON_PAGE(page_count(page), page);
+ if (mem_cgroup_disabled())
+ return;
+
if (cgroup_subsys_on_dfl(memory_cgrp_subsys))
return;
@@ -7247,7 +7249,7 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
}
/**
- * mem_cgroup_try_charge_swap - try charging swap space for a page
+ * __mem_cgroup_try_charge_swap - try charging swap space for a page
* @page: page being added to swap
* @entry: swap entry to charge
*
@@ -7255,7 +7257,7 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
*
* Returns 0 on success, -ENOMEM on failure.
*/
-int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
+int __mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
{
unsigned int nr_pages = thp_nr_pages(page);
struct page_counter *counter;
@@ -7297,11 +7299,11 @@ int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
}
/**
- * mem_cgroup_uncharge_swap - uncharge swap space
+ * __mem_cgroup_uncharge_swap - uncharge swap space
* @entry: swap entry to uncharge
* @nr_pages: the amount of swap space to uncharge
*/
-void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
+void __mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
{
struct mem_cgroup *memcg;
unsigned short id;
diff --git a/mm/memory.c b/mm/memory.c
index 4fe24cd..5db2a3e 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -73,6 +73,7 @@
#include <linux/perf_event.h>
#include <linux/ptrace.h>
#include <linux/vmalloc.h>
+#include <trace/hooks/mm.h>
#include <trace/events/kmem.h>
@@ -86,6 +87,9 @@
#include "pgalloc-track.h"
#include "internal.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/pagefault.h>
+
#if defined(LAST_CPUPID_NOT_IN_PAGE_FLAGS) && !defined(CONFIG_COMPILE_TEST)
#warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_cpupid.
#endif
@@ -134,6 +138,18 @@ static inline bool arch_faults_on_old_pte(void)
}
#endif
+#ifndef arch_wants_old_prefaulted_pte
+static inline bool arch_wants_old_prefaulted_pte(void)
+{
+ /*
+ * Transitioning a PTE from 'old' to 'young' can be expensive on
+ * some architectures, even if it's performed in hardware. By
+ * default, "false" means prefaulted entries will be 'young'.
+ */
+ return false;
+}
+#endif
+
static int __init disable_randmaps(char *s)
{
randomize_va_space = 0;
@@ -156,10 +172,23 @@ static int __init init_zero_pfn(void)
}
early_initcall(init_zero_pfn);
-void mm_trace_rss_stat(struct mm_struct *mm, int member, long count)
+/*
+ * Only trace rss_stat when there is a 512kb cross over.
+ * Smaller changes may be lost unless every small change is
+ * crossing into or returning to a 512kb boundary.
+ */
+#define TRACE_MM_COUNTER_THRESHOLD 128
+
+void mm_trace_rss_stat(struct mm_struct *mm, int member, long count,
+ long value)
{
- trace_rss_stat(mm, member, count);
+ long thresh_mask = ~(TRACE_MM_COUNTER_THRESHOLD - 1);
+
+ /* Threshold roll-over, trace it */
+ if ((count & thresh_mask) != ((count - value) & thresh_mask))
+ trace_rss_stat(mm, member, count);
}
+EXPORT_SYMBOL_GPL(mm_trace_rss_stat);
#if defined(SPLIT_RSS_COUNTING)
@@ -398,7 +427,9 @@ void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,
* Hide vma from rmap and truncate_pagecache before freeing
* pgtables
*/
+ vm_write_begin(vma);
unlink_anon_vmas(vma);
+ vm_write_end(vma);
unlink_file_vma(vma);
if (is_vm_hugetlb_page(vma)) {
@@ -412,7 +443,9 @@ void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,
&& !is_vm_hugetlb_page(next)) {
vma = next;
next = vma->vm_next;
+ vm_write_begin(vma);
unlink_anon_vmas(vma);
+ vm_write_end(vma);
unlink_file_vma(vma);
}
free_pgd_range(tlb, addr, vma->vm_end,
@@ -539,7 +572,7 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,
if (page)
dump_page(page, "bad pte");
pr_alert("addr:%px vm_flags:%08lx anon_vma:%px mapping:%px index:%lx\n",
- (void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);
+ (void *)addr, READ_ONCE(vma->vm_flags), vma->anon_vma, mapping, index);
pr_alert("file:%pD fault:%ps mmap:%ps readpage:%ps\n",
vma->vm_file,
vma->vm_ops ? vma->vm_ops->fault : NULL,
@@ -550,7 +583,8 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,
}
/*
- * vm_normal_page -- This function gets the "struct page" associated with a pte.
+ * __vm_normal_page -- This function gets the "struct page" associated with
+ * a pte.
*
* "Special" mappings do not wish to be associated with a "struct page" (either
* it doesn't exist, or it exists but they don't want to touch it). In this
@@ -591,8 +625,8 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,
* PFNMAP mappings in order to support COWable mappings.
*
*/
-struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
- pte_t pte)
+struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
+ pte_t pte, unsigned long vma_flags)
{
unsigned long pfn = pte_pfn(pte);
@@ -601,7 +635,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
goto check_pfn;
if (vma->vm_ops && vma->vm_ops->find_special_page)
return vma->vm_ops->find_special_page(vma, addr);
- if (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))
+ if (vma_flags & (VM_PFNMAP | VM_MIXEDMAP))
return NULL;
if (is_zero_pfn(pfn))
return NULL;
@@ -613,9 +647,13 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
}
/* !CONFIG_ARCH_HAS_PTE_SPECIAL case follows: */
+ /*
+ * This part should never get called when CONFIG_SPECULATIVE_PAGE_FAULT
+ * is set. This is mainly because we can't rely on vm_start.
+ */
- if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {
- if (vma->vm_flags & VM_MIXEDMAP) {
+ if (unlikely(vma_flags & (VM_PFNMAP|VM_MIXEDMAP))) {
+ if (vma_flags & VM_MIXEDMAP) {
if (!pfn_valid(pfn))
return NULL;
goto out;
@@ -624,7 +662,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
off = (addr - vma->vm_start) >> PAGE_SHIFT;
if (pfn == vma->vm_pgoff + off)
return NULL;
- if (!is_cow_mapping(vma->vm_flags))
+ if (!is_cow_mapping(vma_flags))
return NULL;
}
}
@@ -840,7 +878,7 @@ copy_present_page(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma
/* All done, just insert the new page copy in the child */
pte = mk_pte(new_page, dst_vma->vm_page_prot);
- pte = maybe_mkwrite(pte_mkdirty(pte), dst_vma);
+ pte = maybe_mkwrite(pte_mkdirty(pte), dst_vma->vm_flags);
if (userfaultfd_pte_wp(dst_vma, *src_pte))
/* Uffd-wp needs to be delivered to dest pte as well */
pte = pte_wrprotect(pte_mkuffd_wp(pte));
@@ -1265,7 +1303,8 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
page_remove_rmap(page, false);
if (unlikely(page_mapcount(page) < 0))
print_bad_pte(vma, addr, ptent, page);
- if (unlikely(__tlb_remove_page(tlb, page))) {
+ if (unlikely(__tlb_remove_page(tlb, page)) ||
+ lru_cache_disabled()) {
force_flush = 1;
addr += PAGE_SIZE;
break;
@@ -1442,6 +1481,7 @@ void unmap_page_range(struct mmu_gather *tlb,
unsigned long next;
BUG_ON(addr >= end);
+ vm_write_begin(vma);
tlb_start_vma(tlb, vma);
pgd = pgd_offset(vma->vm_mm, addr);
do {
@@ -1451,6 +1491,7 @@ void unmap_page_range(struct mmu_gather *tlb,
next = zap_p4d_range(tlb, vma, pgd, addr, next, details);
} while (pgd++, addr = next, addr != end);
tlb_end_vma(tlb, vma);
+ vm_write_end(vma);
}
@@ -1954,7 +1995,8 @@ static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr,
goto out_unlock;
}
entry = pte_mkyoung(*pte);
- entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+ entry = maybe_mkwrite(pte_mkdirty(entry),
+ vma->vm_flags);
if (ptep_set_access_flags(vma, addr, pte, entry, 1))
update_mmu_cache(vma, addr, pte);
}
@@ -1969,7 +2011,7 @@ static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr,
if (mkwrite) {
entry = pte_mkyoung(entry);
- entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+ entry = maybe_mkwrite(pte_mkdirty(entry), vma->vm_flags);
}
set_pte_at(mm, addr, pte, entry);
@@ -2558,6 +2600,223 @@ int apply_to_page_range(struct mm_struct *mm, unsigned long addr,
}
EXPORT_SYMBOL_GPL(apply_to_page_range);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+static bool pte_spinlock(struct vm_fault *vmf)
+{
+ bool ret = false;
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ pmd_t pmdval;
+#endif
+
+ /* Check if vma is still valid */
+ if (!(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+ vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
+ spin_lock(vmf->ptl);
+ return true;
+ }
+
+ local_irq_disable();
+ if (vma_has_changed(vmf)) {
+ trace_spf_vma_changed(_RET_IP_, vmf->vma, vmf->address);
+ goto out;
+ }
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ /*
+ * We check if the pmd value is still the same to ensure that there
+ * is not a huge collapse operation in progress in our back.
+ */
+ pmdval = READ_ONCE(*vmf->pmd);
+ if (!pmd_same(pmdval, vmf->orig_pmd)) {
+ trace_spf_pmd_changed(_RET_IP_, vmf->vma, vmf->address);
+ goto out;
+ }
+#endif
+
+ vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
+ if (unlikely(!spin_trylock(vmf->ptl))) {
+ trace_spf_pte_lock(_RET_IP_, vmf->vma, vmf->address);
+ goto out;
+ }
+
+ if (vma_has_changed(vmf)) {
+ spin_unlock(vmf->ptl);
+ trace_spf_vma_changed(_RET_IP_, vmf->vma, vmf->address);
+ goto out;
+ }
+
+ ret = true;
+out:
+ local_irq_enable();
+ return ret;
+}
+
+static bool __pte_map_lock_speculative(struct vm_fault *vmf, unsigned long addr)
+{
+ bool ret = false;
+ pte_t *pte;
+ spinlock_t *ptl;
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ pmd_t pmdval;
+#endif
+
+ /*
+ * The first vma_has_changed() guarantees the page-tables are still
+ * valid, having IRQs disabled ensures they stay around, hence the
+ * second vma_has_changed() to make sure they are still valid once
+ * we've got the lock. After that a concurrent zap_pte_range() will
+ * block on the PTL and thus we're safe.
+ */
+ local_irq_disable();
+ if (vma_has_changed(vmf)) {
+ trace_spf_vma_changed(_RET_IP_, vmf->vma, addr);
+ goto out;
+ }
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ /*
+ * We check if the pmd value is still the same to ensure that there
+ * is not a huge collapse operation in progress in our back.
+ */
+ pmdval = READ_ONCE(*vmf->pmd);
+ if (!pmd_same(pmdval, vmf->orig_pmd)) {
+ trace_spf_pmd_changed(_RET_IP_, vmf->vma, addr);
+ goto out;
+ }
+#endif
+
+ /*
+ * Same as pte_offset_map_lock() except that we call
+ * spin_trylock() in place of spin_lock() to avoid race with
+ * unmap path which may have the lock and wait for this CPU
+ * to invalidate TLB but this CPU has irq disabled.
+ * Since we are in a speculative patch, accept it could fail
+ */
+ ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
+ pte = pte_offset_map(vmf->pmd, addr);
+ if (unlikely(!spin_trylock(ptl))) {
+ pte_unmap(pte);
+ trace_spf_pte_lock(_RET_IP_, vmf->vma, addr);
+ goto out;
+ }
+
+ if (vma_has_changed(vmf)) {
+ pte_unmap_unlock(pte, ptl);
+ trace_spf_vma_changed(_RET_IP_, vmf->vma, addr);
+ goto out;
+ }
+
+ vmf->pte = pte;
+ vmf->ptl = ptl;
+ ret = true;
+out:
+ local_irq_enable();
+ return ret;
+}
+
+static bool pte_map_lock(struct vm_fault *vmf)
+{
+ if (!(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+ vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+ vmf->address, &vmf->ptl);
+ return true;
+ }
+
+ return __pte_map_lock_speculative(vmf, vmf->address);
+}
+
+bool pte_map_lock_addr(struct vm_fault *vmf, unsigned long addr)
+{
+ if (!(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+ vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+ addr, &vmf->ptl);
+ return true;
+ }
+
+ return __pte_map_lock_speculative(vmf, addr);
+}
+
+static bool __read_mostly allow_file_spec_access;
+static int __init allow_file_spec_access_setup(char *str)
+{
+ allow_file_spec_access = true;
+ return 1;
+}
+__setup("allow_file_spec_access", allow_file_spec_access_setup);
+
+static bool vmf_allows_speculation(struct vm_fault *vmf)
+{
+ if (vma_is_anonymous(vmf->vma)) {
+ /*
+ * __anon_vma_prepare() requires the mmap_sem to be held
+ * because vm_next and vm_prev must be safe. This can't be
+ * guaranteed in the speculative path.
+ */
+ if (!vmf->vma->anon_vma) {
+ trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+ return false;
+ }
+ return true;
+ }
+
+ if (!allow_file_spec_access) {
+ /*
+ * Can't call vm_ops service has we don't know what they would
+ * do with the VMA.
+ * This include huge page from hugetlbfs.
+ */
+ trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+ return false;
+ }
+
+ if (!(vmf->vma->vm_flags & VM_SHARED) &&
+ (vmf->flags & FAULT_FLAG_WRITE) &&
+ !vmf->vma->anon_vma) {
+ /*
+ * non-anonymous private COW without anon_vma.
+ * See above.
+ */
+ trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+ return false;
+ }
+
+ if (vmf->vma->vm_ops->allow_speculation &&
+ vmf->vma->vm_ops->allow_speculation()) {
+ return true;
+ }
+
+ trace_spf_vma_notsup(_RET_IP_, vmf->vma, vmf->address);
+ return false;
+}
+
+#else
+static inline bool pte_spinlock(struct vm_fault *vmf)
+{
+ vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
+ spin_lock(vmf->ptl);
+ return true;
+}
+
+static inline bool pte_map_lock(struct vm_fault *vmf)
+{
+ vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+ vmf->address, &vmf->ptl);
+ return true;
+}
+
+inline bool pte_map_lock_addr(struct vm_fault *vmf, unsigned long addr)
+{
+ vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd,
+ addr, &vmf->ptl);
+ return true;
+}
+
+static inline bool vmf_allows_speculation(struct vm_fault *vmf)
+{
+ return false;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
+
/*
* Scan a region of virtual memory, calling a provided function on
* each leaf page table where it exists.
@@ -2579,21 +2838,29 @@ EXPORT_SYMBOL_GPL(apply_to_existing_page_range);
* parts, do_swap_page must check under lock before unmapping the pte and
* proceeding (but do_wp_page is only called after already making such a check;
* and do_anonymous_page can safely check later on).
+ *
+ * pte_unmap_same() returns:
+ * 0 if the PTE are the same
+ * VM_FAULT_PTNOTSAME if the PTE are different
+ * VM_FAULT_RETRY if the VMA has changed in our back during
+ * a speculative page fault handling.
*/
-static inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd,
- pte_t *page_table, pte_t orig_pte)
+static inline int pte_unmap_same(struct vm_fault *vmf)
{
- int same = 1;
-#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPTION)
+ int ret = 0;
+
+#if defined(CONFIG_SMP) || defined(CONFIG_PREEMPT)
if (sizeof(pte_t) > sizeof(unsigned long)) {
- spinlock_t *ptl = pte_lockptr(mm, pmd);
- spin_lock(ptl);
- same = pte_same(*page_table, orig_pte);
- spin_unlock(ptl);
+ if (pte_spinlock(vmf)) {
+ if (!pte_same(*vmf->pte, vmf->orig_pte))
+ ret = VM_FAULT_PTNOTSAME;
+ spin_unlock(vmf->ptl);
+ } else
+ ret = VM_FAULT_RETRY;
}
#endif
- pte_unmap(page_table);
- return same;
+ pte_unmap(vmf->pte);
+ return ret;
}
static inline bool cow_user_page(struct page *dst, struct page *src,
@@ -2814,7 +3081,7 @@ static inline void wp_page_reuse(struct vm_fault *vmf)
flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte));
entry = pte_mkyoung(vmf->orig_pte);
- entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+ entry = maybe_mkwrite(pte_mkdirty(entry), vmf->vma_flags);
if (ptep_set_access_flags(vma, vmf->address, vmf->pte, entry, 1))
update_mmu_cache(vma, vmf->address, vmf->pte);
pte_unmap_unlock(vmf->pte, vmf->ptl);
@@ -2846,20 +3113,21 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
pte_t entry;
int page_copied = 0;
struct mmu_notifier_range range;
+ vm_fault_t ret = VM_FAULT_OOM;
if (unlikely(anon_vma_prepare(vma)))
- goto oom;
+ goto out;
if (is_zero_pfn(pte_pfn(vmf->orig_pte))) {
new_page = alloc_zeroed_user_highpage_movable(vma,
vmf->address);
if (!new_page)
- goto oom;
+ goto out;
} else {
new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma,
vmf->address);
if (!new_page)
- goto oom;
+ goto out;
if (!cow_user_page(new_page, old_page, vmf)) {
/*
@@ -2876,7 +3144,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
}
if (mem_cgroup_charge(new_page, mm, GFP_KERNEL))
- goto oom_free_new;
+ goto out_free_new;
cgroup_throttle_swaprate(new_page, GFP_KERNEL);
__SetPageUptodate(new_page);
@@ -2889,7 +3157,10 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
/*
* Re-check the pte - we dropped the lock
*/
- vmf->pte = pte_offset_map_lock(mm, vmf->pmd, vmf->address, &vmf->ptl);
+ if (!pte_map_lock(vmf)) {
+ ret = VM_FAULT_RETRY;
+ goto out_invalidate_end;
+ }
if (likely(pte_same(*vmf->pte, vmf->orig_pte))) {
if (old_page) {
if (!PageAnon(old_page)) {
@@ -2901,9 +3172,9 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
inc_mm_counter_fast(mm, MM_ANONPAGES);
}
flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte));
- entry = mk_pte(new_page, vma->vm_page_prot);
+ entry = mk_pte(new_page, vmf->vma_page_prot);
entry = pte_sw_mkyoung(entry);
- entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+ entry = maybe_mkwrite(pte_mkdirty(entry), vmf->vma_flags);
/*
* Clear the pte entry and flush it first, before updating the
* pte with the new entry. This will avoid a race condition
@@ -2911,8 +3182,8 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
* thread doing COW.
*/
ptep_clear_flush_notify(vma, vmf->address, vmf->pte);
- page_add_new_anon_rmap(new_page, vma, vmf->address, false);
- lru_cache_add_inactive_or_unevictable(new_page, vma);
+ __page_add_new_anon_rmap(new_page, vma, vmf->address, false);
+ __lru_cache_add_inactive_or_unevictable(new_page, vmf->vma_flags);
/*
* We call the notify macro here because, when using secondary
* mmu page tables (such as kvm shadow page tables), we want the
@@ -2967,7 +3238,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
* Don't let another task, with possibly unlocked vma,
* keep the mlocked page.
*/
- if (page_copied && (vma->vm_flags & VM_LOCKED)) {
+ if (page_copied && (vmf->vma_flags & VM_LOCKED)) {
lock_page(old_page); /* LRU manipulation */
if (PageMlocked(old_page))
munlock_vma_page(old_page);
@@ -2976,12 +3247,14 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
put_page(old_page);
}
return page_copied ? VM_FAULT_WRITE : 0;
-oom_free_new:
+out_invalidate_end:
+ mmu_notifier_invalidate_range_only_end(&range);
+out_free_new:
put_page(new_page);
-oom:
+out:
if (old_page)
put_page(old_page);
- return VM_FAULT_OOM;
+ return ret;
}
/**
@@ -3002,9 +3275,9 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
*/
vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf)
{
- WARN_ON_ONCE(!(vmf->vma->vm_flags & VM_SHARED));
- vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
- &vmf->ptl);
+ WARN_ON_ONCE(!(vmf->vma_flags & VM_SHARED));
+ if (!pte_map_lock(vmf))
+ return VM_FAULT_RETRY;
/*
* We might have raced with another page fault while we released the
* pte_offset_map_lock.
@@ -3110,7 +3383,8 @@ static vm_fault_t do_wp_page(struct vm_fault *vmf)
mm_tlb_flush_pending(vmf->vma->vm_mm)))
flush_tlb_page(vmf->vma, vmf->address);
- vmf->page = vm_normal_page(vma, vmf->address, vmf->orig_pte);
+ vmf->page = _vm_normal_page(vma, vmf->address, vmf->orig_pte,
+ vmf->vma_flags);
if (!vmf->page) {
/*
* VM_MIXEDMAP !pfn_valid() case, or VM_SOFTDIRTY clear on a
@@ -3119,7 +3393,7 @@ static vm_fault_t do_wp_page(struct vm_fault *vmf)
* We should not cow pages in a shared writeable mapping.
* Just mark the pages writable and/or call ops->pfn_mkwrite.
*/
- if ((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==
+ if ((vmf->vma_flags & (VM_WRITE|VM_SHARED)) ==
(VM_WRITE|VM_SHARED))
return wp_pfn_shared(vmf);
@@ -3151,7 +3425,7 @@ static vm_fault_t do_wp_page(struct vm_fault *vmf)
unlock_page(page);
wp_page_reuse(vmf);
return VM_FAULT_WRITE;
- } else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==
+ } else if (unlikely((vmf->vma_flags & (VM_WRITE|VM_SHARED)) ==
(VM_WRITE|VM_SHARED))) {
return wp_page_shared(vmf);
}
@@ -3307,11 +3581,20 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
pte_t pte;
int locked;
int exclusive = 0;
- vm_fault_t ret = 0;
+ vm_fault_t ret;
void *shadow = NULL;
- if (!pte_unmap_same(vma->vm_mm, vmf->pmd, vmf->pte, vmf->orig_pte))
+ ret = pte_unmap_same(vmf);
+ if (ret) {
+ /*
+ * If pte != orig_pte, this means another thread did the
+ * swap operation in our back.
+ * So nothing else to do.
+ */
+ if (ret == VM_FAULT_PTNOTSAME)
+ ret = 0;
goto out;
+ }
entry = pte_to_swp_entry(vmf->orig_pte);
if (unlikely(non_swap_entry(entry))) {
@@ -3341,8 +3624,10 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
if (data_race(si->flags & SWP_SYNCHRONOUS_IO) &&
__swap_count(entry) == 1) {
/* skip swapcache */
- page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma,
- vmf->address);
+ gfp_t flags = GFP_HIGHUSER_MOVABLE;
+
+ trace_android_rvh_set_skip_swapcache_flags(&flags);
+ page = alloc_page_vma(flags, vma, vmf->address);
if (page) {
int err;
@@ -3367,6 +3652,17 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
lru_cache_add(page);
swap_readpage(page, true);
}
+ } else if (vmf->flags & FAULT_FLAG_SPECULATIVE) {
+ /*
+ * Don't try readahead during a speculative page fault
+ * as the VMA's boundaries may change in our back.
+ * If the page is not in the swap cache and synchronous
+ * read is disabled, fall back to the regular page fault
+ * mechanism.
+ */
+ delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
+ ret = VM_FAULT_RETRY;
+ goto out;
} else {
page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE,
vmf);
@@ -3375,11 +3671,16 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
if (!page) {
/*
- * Back out if somebody else faulted in this pte
- * while we released the pte lock.
+ * Back out if the VMA has changed in our back during
+ * a speculative page fault or if somebody else
+ * faulted in this pte while we released the pte lock.
*/
- vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
- vmf->address, &vmf->ptl);
+ if (!pte_map_lock(vmf)) {
+ delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
+ ret = VM_FAULT_RETRY;
+ goto out;
+ }
+
if (likely(pte_same(*vmf->pte, vmf->orig_pte)))
ret = VM_FAULT_OOM;
delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
@@ -3428,10 +3729,13 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
cgroup_throttle_swaprate(page, GFP_KERNEL);
/*
- * Back out if somebody else already faulted in this pte.
+ * Back out if the VMA has changed in our back during a speculative
+ * page fault or if somebody else already faulted in this pte.
*/
- vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
- &vmf->ptl);
+ if (!pte_map_lock(vmf)) {
+ ret = VM_FAULT_RETRY;
+ goto out_page;
+ }
if (unlikely(!pte_same(*vmf->pte, vmf->orig_pte)))
goto out_nomap;
@@ -3452,9 +3756,9 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
dec_mm_counter_fast(vma->vm_mm, MM_SWAPENTS);
- pte = mk_pte(page, vma->vm_page_prot);
+ pte = mk_pte(page, vmf->vma_page_prot);
if ((vmf->flags & FAULT_FLAG_WRITE) && reuse_swap_page(page, NULL)) {
- pte = maybe_mkwrite(pte_mkdirty(pte), vma);
+ pte = maybe_mkwrite(pte_mkdirty(pte), vmf->vma_flags);
vmf->flags &= ~FAULT_FLAG_WRITE;
ret |= VM_FAULT_WRITE;
exclusive = RMAP_EXCLUSIVE;
@@ -3472,15 +3776,15 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
/* ksm created a completely new copy */
if (unlikely(page != swapcache && swapcache)) {
- page_add_new_anon_rmap(page, vma, vmf->address, false);
- lru_cache_add_inactive_or_unevictable(page, vma);
+ __page_add_new_anon_rmap(page, vma, vmf->address, false);
+ __lru_cache_add_inactive_or_unevictable(page, vmf->vma_flags);
} else {
do_page_add_anon_rmap(page, vma, vmf->address, exclusive);
}
swap_free(entry);
if (mem_cgroup_swap_full(page) ||
- (vma->vm_flags & VM_LOCKED) || PageMlocked(page))
+ (vmf->vma_flags & VM_LOCKED) || PageMlocked(page))
try_to_free_swap(page);
unlock_page(page);
if (page != swapcache && swapcache) {
@@ -3535,7 +3839,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
pte_t entry;
/* File mapping without ->vm_ops ? */
- if (vma->vm_flags & VM_SHARED)
+ if (vmf->vma_flags & VM_SHARED)
return VM_FAULT_SIGBUS;
/*
@@ -3551,7 +3855,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
if (pte_alloc(vma->vm_mm, vmf->pmd))
return VM_FAULT_OOM;
- /* See the comment in pte_alloc_one_map() */
+ /* See comment in handle_pte_fault() */
if (unlikely(pmd_trans_unstable(vmf->pmd)))
return 0;
@@ -3559,9 +3863,9 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
if (!(vmf->flags & FAULT_FLAG_WRITE) &&
!mm_forbids_zeropage(vma->vm_mm)) {
entry = pte_mkspecial(pfn_pte(my_zero_pfn(vmf->address),
- vma->vm_page_prot));
- vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
- vmf->address, &vmf->ptl);
+ vmf->vma_page_prot));
+ if (!pte_map_lock(vmf))
+ return VM_FAULT_RETRY;
if (!pte_none(*vmf->pte)) {
update_mmu_tlb(vma, vmf->address, vmf->pte);
goto unlock;
@@ -3569,6 +3873,14 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
ret = check_stable_address_space(vma->vm_mm);
if (ret)
goto unlock;
+ /*
+ * Don't call the userfaultfd during the speculative path.
+ * We already checked for the VMA to not be managed through
+ * userfaultfd, but it may be set in our back once we have lock
+ * the pte. In such a case we can ignore it this time.
+ */
+ if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+ goto setpte;
/* Deliver the page fault to userland, check inside PT lock */
if (userfaultfd_missing(vma)) {
pte_unmap_unlock(vmf->pte, vmf->ptl);
@@ -3595,32 +3907,36 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
*/
__SetPageUptodate(page);
- entry = mk_pte(page, vma->vm_page_prot);
+ entry = mk_pte(page, vmf->vma_page_prot);
entry = pte_sw_mkyoung(entry);
- if (vma->vm_flags & VM_WRITE)
+ if (vmf->vma_flags & VM_WRITE)
entry = pte_mkwrite(pte_mkdirty(entry));
- vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
- &vmf->ptl);
+ if (!pte_map_lock(vmf)) {
+ ret = VM_FAULT_RETRY;
+ goto release;
+ }
+
if (!pte_none(*vmf->pte)) {
update_mmu_cache(vma, vmf->address, vmf->pte);
- goto release;
+ goto unlock_and_release;
}
ret = check_stable_address_space(vma->vm_mm);
if (ret)
- goto release;
+ goto unlock_and_release;
/* Deliver the page fault to userland, check inside PT lock */
- if (userfaultfd_missing(vma)) {
+ if (!(vmf->flags & FAULT_FLAG_SPECULATIVE) &&
+ userfaultfd_missing(vma)) {
pte_unmap_unlock(vmf->pte, vmf->ptl);
put_page(page);
return handle_userfault(vmf, VM_UFFD_MISSING);
}
inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
- page_add_new_anon_rmap(page, vma, vmf->address, false);
- lru_cache_add_inactive_or_unevictable(page, vma);
+ __page_add_new_anon_rmap(page, vma, vmf->address, false);
+ __lru_cache_add_inactive_or_unevictable(page, vmf->vma_flags);
setpte:
set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry);
@@ -3629,9 +3945,11 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
unlock:
pte_unmap_unlock(vmf->pte, vmf->ptl);
return ret;
+unlock_and_release:
+ pte_unmap_unlock(vmf->pte, vmf->ptl);
release:
put_page(page);
- goto unlock;
+ return ret;
oom_free_page:
put_page(page);
oom:
@@ -3691,66 +4009,6 @@ static vm_fault_t __do_fault(struct vm_fault *vmf)
return ret;
}
-/*
- * The ordering of these checks is important for pmds with _PAGE_DEVMAP set.
- * If we check pmd_trans_unstable() first we will trip the bad_pmd() check
- * inside of pmd_none_or_trans_huge_or_clear_bad(). This will end up correctly
- * returning 1 but not before it spams dmesg with the pmd_clear_bad() output.
- */
-static int pmd_devmap_trans_unstable(pmd_t *pmd)
-{
- return pmd_devmap(*pmd) || pmd_trans_unstable(pmd);
-}
-
-static vm_fault_t pte_alloc_one_map(struct vm_fault *vmf)
-{
- struct vm_area_struct *vma = vmf->vma;
-
- if (!pmd_none(*vmf->pmd))
- goto map_pte;
- if (vmf->prealloc_pte) {
- vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd);
- if (unlikely(!pmd_none(*vmf->pmd))) {
- spin_unlock(vmf->ptl);
- goto map_pte;
- }
-
- mm_inc_nr_ptes(vma->vm_mm);
- pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte);
- spin_unlock(vmf->ptl);
- vmf->prealloc_pte = NULL;
- } else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) {
- return VM_FAULT_OOM;
- }
-map_pte:
- /*
- * If a huge pmd materialized under us just retry later. Use
- * pmd_trans_unstable() via pmd_devmap_trans_unstable() instead of
- * pmd_trans_huge() to ensure the pmd didn't become pmd_trans_huge
- * under us and then back to pmd_none, as a result of MADV_DONTNEED
- * running immediately after a huge pmd fault in a different thread of
- * this mm, in turn leading to a misleading pmd_trans_huge() retval.
- * All we have to ensure is that it is a regular pmd that we can walk
- * with pte_offset_map() and we can do that through an atomic read in
- * C, which is what pmd_trans_unstable() provides.
- */
- if (pmd_devmap_trans_unstable(vmf->pmd))
- return VM_FAULT_NOPAGE;
-
- /*
- * At this point we know that our vmf->pmd points to a page of ptes
- * and it cannot become pmd_none(), pmd_devmap() or pmd_trans_huge()
- * for the duration of the fault. If a racing MADV_DONTNEED runs and
- * we zap the ptes pointed to by our vmf->pmd, the vmf->ptl will still
- * be valid and we will re-check to make sure the vmf->pte isn't
- * pte_none() under vmf->ptl protection when we return to
- * alloc_set_pte().
- */
- vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
- &vmf->ptl);
- return 0;
-}
-
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
static void deposit_prealloc_pte(struct vm_fault *vmf)
{
@@ -3765,7 +4023,7 @@ static void deposit_prealloc_pte(struct vm_fault *vmf)
vmf->prealloc_pte = NULL;
}
-static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
+vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
{
struct vm_area_struct *vma = vmf->vma;
bool write = vmf->flags & FAULT_FLAG_WRITE;
@@ -3799,7 +4057,7 @@ static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
for (i = 0; i < HPAGE_PMD_NR; i++)
flush_icache_page(vma, page + i);
- entry = mk_huge_pmd(page, vma->vm_page_prot);
+ entry = mk_huge_pmd(page, vmf->vma_page_prot);
if (write)
entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
@@ -3823,76 +4081,41 @@ static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
return ret;
}
#else
-static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
+vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
{
- BUILD_BUG();
- return 0;
+ return VM_FAULT_FALLBACK;
}
#endif
-/**
- * alloc_set_pte - setup new PTE entry for given page and add reverse page
- * mapping. If needed, the function allocates page table or use pre-allocated.
- *
- * @vmf: fault environment
- * @page: page to map
- *
- * Caller must take care of unlocking vmf->ptl, if vmf->pte is non-NULL on
- * return.
- *
- * Target users are page handler itself and implementations of
- * vm_ops->map_pages.
- *
- * Return: %0 on success, %VM_FAULT_ code in case of error.
- */
-vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page)
+void do_set_pte(struct vm_fault *vmf, struct page *page, unsigned long addr)
{
struct vm_area_struct *vma = vmf->vma;
bool write = vmf->flags & FAULT_FLAG_WRITE;
+ bool prefault = vmf->address != addr;
pte_t entry;
- vm_fault_t ret;
-
- if (pmd_none(*vmf->pmd) && PageTransCompound(page)) {
- ret = do_set_pmd(vmf, page);
- if (ret != VM_FAULT_FALLBACK)
- return ret;
- }
-
- if (!vmf->pte) {
- ret = pte_alloc_one_map(vmf);
- if (ret)
- return ret;
- }
-
- /* Re-check under ptl */
- if (unlikely(!pte_none(*vmf->pte))) {
- update_mmu_tlb(vma, vmf->address, vmf->pte);
- return VM_FAULT_NOPAGE;
- }
flush_icache_page(vma, page);
- entry = mk_pte(page, vma->vm_page_prot);
- entry = pte_sw_mkyoung(entry);
+ entry = mk_pte(page, vmf->vma_page_prot);
+
+ if (prefault && arch_wants_old_prefaulted_pte())
+ entry = pte_mkold(entry);
+ else
+ entry = pte_sw_mkyoung(entry);
+
if (write)
- entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+ entry = maybe_mkwrite(pte_mkdirty(entry), vmf->vma_flags);
/* copy-on-write page */
- if (write && !(vma->vm_flags & VM_SHARED)) {
+ if (write && !(vmf->vma_flags & VM_SHARED)) {
inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
- page_add_new_anon_rmap(page, vma, vmf->address, false);
- lru_cache_add_inactive_or_unevictable(page, vma);
+ __page_add_new_anon_rmap(page, vma, addr, false);
+ __lru_cache_add_inactive_or_unevictable(page, vmf->vma_flags);
} else {
inc_mm_counter_fast(vma->vm_mm, mm_counter_file(page));
page_add_file_rmap(page, false);
}
- set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry);
-
- /* no need to invalidate: a not-present page won't be cached */
- update_mmu_cache(vma, vmf->address, vmf->pte);
-
- return 0;
+ set_pte_at(vma->vm_mm, addr, vmf->pte, entry);
}
-
/**
* finish_fault - finish page fault once we have prepared the page to fault
*
@@ -3910,12 +4133,13 @@ vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page)
*/
vm_fault_t finish_fault(struct vm_fault *vmf)
{
+ struct vm_area_struct *vma = vmf->vma;
struct page *page;
- vm_fault_t ret = 0;
+ vm_fault_t ret;
/* Did we COW the page? */
if ((vmf->flags & FAULT_FLAG_WRITE) &&
- !(vmf->vma->vm_flags & VM_SHARED))
+ !(vmf->vma_flags & VM_SHARED))
page = vmf->cow_page;
else
page = vmf->page;
@@ -3924,12 +4148,48 @@ vm_fault_t finish_fault(struct vm_fault *vmf)
* check even for read faults because we might have lost our CoWed
* page
*/
- if (!(vmf->vma->vm_flags & VM_SHARED))
- ret = check_stable_address_space(vmf->vma->vm_mm);
- if (!ret)
- ret = alloc_set_pte(vmf, page);
- if (vmf->pte)
- pte_unmap_unlock(vmf->pte, vmf->ptl);
+ if (!(vma->vm_flags & VM_SHARED)) {
+ ret = check_stable_address_space(vma->vm_mm);
+ if (ret)
+ return ret;
+ }
+
+ if (pmd_none(*vmf->pmd) && !(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+ if (PageTransCompound(page)) {
+ ret = do_set_pmd(vmf, page);
+ if (ret != VM_FAULT_FALLBACK)
+ return ret;
+ }
+
+ if (vmf->prealloc_pte) {
+ vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd);
+ if (likely(pmd_none(*vmf->pmd))) {
+ mm_inc_nr_ptes(vma->vm_mm);
+ pmd_populate(vma->vm_mm, vmf->pmd, vmf->prealloc_pte);
+ vmf->prealloc_pte = NULL;
+ }
+ spin_unlock(vmf->ptl);
+ } else if (unlikely(pte_alloc(vma->vm_mm, vmf->pmd))) {
+ return VM_FAULT_OOM;
+ }
+ }
+
+ /* See comment in handle_pte_fault() */
+ if (pmd_devmap_trans_unstable(vmf->pmd))
+ return 0;
+
+ if (!pte_map_lock(vmf))
+ return VM_FAULT_RETRY;
+
+ ret = 0;
+ /* Re-check under ptl */
+ if (likely(pte_none(*vmf->pte)))
+ do_set_pte(vmf, page, vmf->address);
+ else
+ ret = VM_FAULT_NOPAGE;
+
+ update_mmu_tlb(vma, vmf->address, vmf->pte);
+ pte_unmap_unlock(vmf->pte, vmf->ptl);
return ret;
}
@@ -3999,13 +4259,12 @@ static vm_fault_t do_fault_around(struct vm_fault *vmf)
pgoff_t start_pgoff = vmf->pgoff;
pgoff_t end_pgoff;
int off;
- vm_fault_t ret = 0;
nr_pages = READ_ONCE(fault_around_bytes) >> PAGE_SHIFT;
mask = ~(nr_pages * PAGE_SIZE - 1) & PAGE_MASK;
- vmf->address = max(address & mask, vmf->vma->vm_start);
- off = ((address - vmf->address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
+ address = max(address & mask, vmf->vma->vm_start);
+ off = ((vmf->address - address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
start_pgoff -= off;
/*
@@ -4013,7 +4272,7 @@ static vm_fault_t do_fault_around(struct vm_fault *vmf)
* the vma or nr_pages from start_pgoff, depending what is nearest.
*/
end_pgoff = start_pgoff -
- ((vmf->address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +
+ ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +
PTRS_PER_PTE - 1;
end_pgoff = min3(end_pgoff, vma_pages(vmf->vma) + vmf->vma->vm_pgoff - 1,
start_pgoff + nr_pages - 1);
@@ -4021,31 +4280,11 @@ static vm_fault_t do_fault_around(struct vm_fault *vmf)
if (pmd_none(*vmf->pmd)) {
vmf->prealloc_pte = pte_alloc_one(vmf->vma->vm_mm);
if (!vmf->prealloc_pte)
- goto out;
+ return VM_FAULT_OOM;
smp_wmb(); /* See comment in __pte_alloc() */
}
- vmf->vma->vm_ops->map_pages(vmf, start_pgoff, end_pgoff);
-
- /* Huge page is mapped? Page fault is solved */
- if (pmd_trans_huge(*vmf->pmd)) {
- ret = VM_FAULT_NOPAGE;
- goto out;
- }
-
- /* ->map_pages() haven't done anything useful. Cold page cache? */
- if (!vmf->pte)
- goto out;
-
- /* check if the page fault is solved */
- vmf->pte -= (vmf->address >> PAGE_SHIFT) - (address >> PAGE_SHIFT);
- if (!pte_none(*vmf->pte))
- ret = VM_FAULT_NOPAGE;
- pte_unmap_unlock(vmf->pte, vmf->ptl);
-out:
- vmf->address = address;
- vmf->pte = NULL;
- return ret;
+ return vmf->vma->vm_ops->map_pages(vmf, start_pgoff, end_pgoff);
}
static vm_fault_t do_read_fault(struct vm_fault *vmf)
@@ -4059,9 +4298,11 @@ static vm_fault_t do_read_fault(struct vm_fault *vmf)
* something).
*/
if (vma->vm_ops->map_pages && fault_around_bytes >> PAGE_SHIFT > 1) {
- ret = do_fault_around(vmf);
- if (ret)
- return ret;
+ if (likely(!userfaultfd_minor(vmf->vma))) {
+ ret = do_fault_around(vmf);
+ if (ret)
+ return ret;
+ }
}
ret = __do_fault(vmf);
@@ -4193,7 +4434,7 @@ static vm_fault_t do_fault(struct vm_fault *vmf)
}
} else if (!(vmf->flags & FAULT_FLAG_WRITE))
ret = do_read_fault(vmf);
- else if (!(vma->vm_flags & VM_SHARED))
+ else if (!(vmf->vma_flags & VM_SHARED))
ret = do_cow_fault(vmf);
else
ret = do_shared_fault(vmf);
@@ -4238,8 +4479,8 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
* validation through pte_unmap_same(). It's of NUMA type but
* the pfn may be screwed if the read is non atomic.
*/
- vmf->ptl = pte_lockptr(vma->vm_mm, vmf->pmd);
- spin_lock(vmf->ptl);
+ if (!pte_spinlock(vmf))
+ return VM_FAULT_RETRY;
if (unlikely(!pte_same(*vmf->pte, vmf->orig_pte))) {
pte_unmap_unlock(vmf->pte, vmf->ptl);
goto out;
@@ -4250,14 +4491,14 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
* accessible ptes, some can allow access by kernel mode.
*/
old_pte = ptep_modify_prot_start(vma, vmf->address, vmf->pte);
- pte = pte_modify(old_pte, vma->vm_page_prot);
+ pte = pte_modify(old_pte, vmf->vma_page_prot);
pte = pte_mkyoung(pte);
if (was_writable)
pte = pte_mkwrite(pte);
ptep_modify_prot_commit(vma, vmf->address, vmf->pte, old_pte, pte);
update_mmu_cache(vma, vmf->address, vmf->pte);
- page = vm_normal_page(vma, vmf->address, pte);
+ page = _vm_normal_page(vma, vmf->address, pte, vmf->vma_flags);
if (!page) {
pte_unmap_unlock(vmf->pte, vmf->ptl);
return 0;
@@ -4284,7 +4525,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
* Flag if the page is shared between multiple address spaces. This
* is later used when determining whether to group tasks together
*/
- if (page_mapcount(page) > 1 && (vma->vm_flags & VM_SHARED))
+ if (page_mapcount(page) > 1 && (vmf->vma_flags & VM_SHARED))
flags |= TNF_SHARED;
last_cpupid = page_cpupid_last(page);
@@ -4298,7 +4539,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
}
/* Migrate to the requested node */
- migrated = migrate_misplaced_page(page, vma, target_nid);
+ migrated = migrate_misplaced_page(page, vmf, target_nid);
if (migrated) {
page_nid = target_nid;
flags |= TNF_MIGRATED;
@@ -4391,17 +4632,38 @@ static vm_fault_t wp_huge_pud(struct vm_fault *vmf, pud_t orig_pud)
static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
{
pte_t entry;
+ vm_fault_t ret = 0;
if (unlikely(pmd_none(*vmf->pmd))) {
/*
+ * In the case of the speculative page fault handler we abort
+ * the speculative path immediately as the pmd is probably
+ * in the way to be converted in a huge one. We will try
+ * again holding the mmap_sem (which implies that the collapse
+ * operation is done).
+ */
+ if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+ return VM_FAULT_RETRY;
+ /*
* Leave __pte_alloc() until later: because vm_ops->fault may
* want to allocate huge page, and if we expose page table
* for an instant, it will be difficult to retract from
* concurrent faults and from rmap lookups.
*/
vmf->pte = NULL;
- } else {
- /* See comment in pte_alloc_one_map() */
+ } else if (!(vmf->flags & FAULT_FLAG_SPECULATIVE)) {
+ /*
+ * If a huge pmd materialized under us just retry later. Use
+ * pmd_trans_unstable() via pmd_devmap_trans_unstable() instead
+ * of pmd_trans_huge() to ensure the pmd didn't become
+ * pmd_trans_huge under us and then back to pmd_none, as a
+ * result of MADV_DONTNEED running immediately after a huge pmd
+ * fault in a different thread of this mm, in turn leading to a
+ * misleading pmd_trans_huge() retval. All we have to ensure is
+ * that it is a regular pmd that we can walk with
+ * pte_offset_map() and we can do that through an atomic read
+ * in C, which is what pmd_trans_unstable() provides.
+ */
if (pmd_devmap_trans_unstable(vmf->pmd))
return 0;
/*
@@ -4409,6 +4671,9 @@ static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
* pmd from under us anymore at this point because we hold the
* mmap_lock read mode and khugepaged takes it in write mode.
* So now it's safe to run pte_offset_map().
+ * This is not applicable to the speculative page fault handler
+ * but in that case, the pte is fetched earlier in
+ * handle_speculative_fault().
*/
vmf->pte = pte_offset_map(vmf->pmd, vmf->address);
vmf->orig_pte = *vmf->pte;
@@ -4431,6 +4696,9 @@ static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
if (!vmf->pte) {
if (vma_is_anonymous(vmf->vma))
return do_anonymous_page(vmf);
+ else if ((vmf->flags & FAULT_FLAG_SPECULATIVE) &&
+ !vmf_allows_speculation(vmf))
+ return VM_FAULT_RETRY;
else
return do_fault(vmf);
}
@@ -4441,8 +4709,8 @@ static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
if (pte_protnone(vmf->orig_pte) && vma_is_accessible(vmf->vma))
return do_numa_page(vmf);
- vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
- spin_lock(vmf->ptl);
+ if (!pte_spinlock(vmf))
+ return VM_FAULT_RETRY;
entry = vmf->orig_pte;
if (unlikely(!pte_same(*vmf->pte, entry))) {
update_mmu_tlb(vmf->vma, vmf->address, vmf->pte);
@@ -4461,6 +4729,8 @@ static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
/* Skip spurious TLB flush for retried page fault */
if (vmf->flags & FAULT_FLAG_TRIED)
goto unlock;
+ if (vmf->flags & FAULT_FLAG_SPECULATIVE)
+ ret = VM_FAULT_RETRY;
/*
* This is needed only for protection faults but the arch code
* is not yet telling us if this is a protection fault or not.
@@ -4472,7 +4742,7 @@ static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
}
unlock:
pte_unmap_unlock(vmf->pte, vmf->ptl);
- return 0;
+ return ret;
}
/*
@@ -4490,6 +4760,8 @@ static vm_fault_t __handle_mm_fault(struct vm_area_struct *vma,
.flags = flags,
.pgoff = linear_page_index(vma, address),
.gfp_mask = __get_fault_gfp_mask(vma),
+ .vma_flags = vma->vm_flags,
+ .vma_page_prot = vma->vm_page_prot,
};
unsigned int dirty = flags & FAULT_FLAG_WRITE;
struct mm_struct *mm = vma->vm_mm;
@@ -4537,6 +4809,9 @@ static vm_fault_t __handle_mm_fault(struct vm_area_struct *vma,
if (pud_trans_unstable(vmf.pud))
goto retry_pud;
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ vmf.sequence = raw_read_seqcount(&vma->vm_sequence);
+#endif
if (pmd_none(*vmf.pmd) && __transparent_hugepage_enabled(vma)) {
ret = create_huge_pmd(&vmf);
if (!(ret & VM_FAULT_FALLBACK))
@@ -4630,6 +4905,261 @@ static inline void mm_account_fault(struct pt_regs *regs,
else
perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address);
}
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+
+#ifndef CONFIG_ARCH_HAS_PTE_SPECIAL
+/* This is required by vm_normal_page() */
+#error "Speculative page fault handler requires CONFIG_ARCH_HAS_PTE_SPECIAL"
+#endif
+/*
+ * vm_normal_page() adds some processing which should be done while
+ * hodling the mmap_sem.
+ */
+
+/*
+ * Tries to handle the page fault in a speculative way, without grabbing the
+ * mmap_sem.
+ * When VM_FAULT_RETRY is returned, the vma pointer is valid and this vma must
+ * be checked later when the mmap_sem has been grabbed by calling
+ * can_reuse_spf_vma().
+ * This is needed as the returned vma is kept in memory until the call to
+ * can_reuse_spf_vma() is made.
+ */
+static vm_fault_t ___handle_speculative_fault(struct mm_struct *mm,
+ unsigned long address, unsigned int flags,
+ struct vm_area_struct *vma)
+{
+ struct vm_fault vmf = {
+ .address = address,
+ .pgoff = linear_page_index(vma, address),
+ .vma = vma,
+ .gfp_mask = __get_fault_gfp_mask(vma),
+ .flags = flags,
+ };
+#ifdef CONFIG_NUMA
+ struct mempolicy *pol;
+#endif
+ pgd_t *pgd, pgdval;
+ p4d_t *p4d, p4dval;
+ pud_t pudval;
+ int seq;
+ vm_fault_t ret;
+
+ /* Clear flags that may lead to release the mmap_sem to retry */
+ flags &= ~(FAULT_FLAG_ALLOW_RETRY|FAULT_FLAG_KILLABLE);
+ flags |= FAULT_FLAG_SPECULATIVE;
+
+ /* rmb <-> seqlock,vma_rb_erase() */
+ seq = raw_read_seqcount(&vmf.vma->vm_sequence);
+ if (seq & 1) {
+ trace_spf_vma_changed(_RET_IP_, vmf.vma, address);
+ return VM_FAULT_RETRY;
+ }
+
+ if (!vmf_allows_speculation(&vmf))
+ return VM_FAULT_RETRY;
+
+ vmf.vma_flags = READ_ONCE(vmf.vma->vm_flags);
+ vmf.vma_page_prot = READ_ONCE(vmf.vma->vm_page_prot);
+
+ /* Can't call userland page fault handler in the speculative path */
+ if (unlikely(vmf.vma_flags & VM_UFFD_MISSING)) {
+ trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+ return VM_FAULT_RETRY;
+ }
+
+ if (vmf.vma_flags & VM_GROWSDOWN || vmf.vma_flags & VM_GROWSUP) {
+ /*
+ * This could be detected by the check address against VMA's
+ * boundaries but we want to trace it as not supported instead
+ * of changed.
+ */
+ trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+ return VM_FAULT_RETRY;
+ }
+
+ if (address < READ_ONCE(vmf.vma->vm_start)
+ || READ_ONCE(vmf.vma->vm_end) <= address) {
+ trace_spf_vma_changed(_RET_IP_, vmf.vma, address);
+ return VM_FAULT_RETRY;
+ }
+
+ if (!arch_vma_access_permitted(vmf.vma, flags & FAULT_FLAG_WRITE,
+ flags & FAULT_FLAG_INSTRUCTION,
+ flags & FAULT_FLAG_REMOTE))
+ goto out_segv;
+
+ /* This is one is required to check that the VMA has write access set */
+ if (flags & FAULT_FLAG_WRITE) {
+ if (unlikely(!(vmf.vma_flags & VM_WRITE)))
+ goto out_segv;
+ } else if (unlikely(!(vmf.vma_flags & (VM_READ|VM_EXEC|VM_WRITE))))
+ goto out_segv;
+
+#ifdef CONFIG_NUMA
+ /*
+ * MPOL_INTERLEAVE implies additional checks in
+ * mpol_misplaced() which are not compatible with the
+ *speculative page fault processing.
+ */
+ pol = __get_vma_policy(vmf.vma, address);
+ if (!pol)
+ pol = get_task_policy(current);
+ if (!pol)
+ if (pol && pol->mode == MPOL_INTERLEAVE) {
+ trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+ return VM_FAULT_RETRY;
+ }
+#endif
+
+ /*
+ * Do a speculative lookup of the PTE entry.
+ */
+ local_irq_disable();
+ pgd = pgd_offset(mm, address);
+ pgdval = READ_ONCE(*pgd);
+ if (pgd_none(pgdval) || unlikely(pgd_bad(pgdval)))
+ goto out_walk;
+
+ p4d = p4d_offset(pgd, address);
+ p4dval = READ_ONCE(*p4d);
+ if (p4d_none(p4dval) || unlikely(p4d_bad(p4dval)))
+ goto out_walk;
+
+ vmf.pud = pud_offset(p4d, address);
+ pudval = READ_ONCE(*vmf.pud);
+ if (pud_none(pudval) || unlikely(pud_bad(pudval)))
+ goto out_walk;
+
+ /* Huge pages at PUD level are not supported. */
+ if (unlikely(pud_trans_huge(pudval)))
+ goto out_walk;
+
+ vmf.pmd = pmd_offset(vmf.pud, address);
+ vmf.orig_pmd = READ_ONCE(*vmf.pmd);
+ /*
+ * pmd_none could mean that a hugepage collapse is in progress
+ * in our back as collapse_huge_page() mark it before
+ * invalidating the pte (which is done once the IPI is catched
+ * by all CPU and we have interrupt disabled).
+ * For this reason we cannot handle THP in a speculative way since we
+ * can't safely indentify an in progress collapse operation done in our
+ * back on that PMD.
+ * Regarding the order of the following checks, see comment in
+ * pmd_devmap_trans_unstable()
+ */
+ if (unlikely(pmd_devmap(vmf.orig_pmd) ||
+ pmd_none(vmf.orig_pmd) || pmd_trans_huge(vmf.orig_pmd) ||
+ is_swap_pmd(vmf.orig_pmd)))
+ goto out_walk;
+
+ /*
+ * The above does not allocate/instantiate page-tables because doing so
+ * would lead to the possibility of instantiating page-tables after
+ * free_pgtables() -- and consequently leaking them.
+ *
+ * The result is that we take at least one !speculative fault per PMD
+ * in order to instantiate it.
+ */
+
+ vmf.pte = pte_offset_map(vmf.pmd, address);
+ vmf.orig_pte = READ_ONCE(*vmf.pte);
+ barrier(); /* See comment in handle_pte_fault() */
+ if (pte_none(vmf.orig_pte)) {
+ pte_unmap(vmf.pte);
+ vmf.pte = NULL;
+ }
+
+ vmf.sequence = seq;
+ vmf.flags = flags;
+
+ local_irq_enable();
+
+ /*
+ * We need to re-validate the VMA after checking the bounds, otherwise
+ * we might have a false positive on the bounds.
+ */
+ if (read_seqcount_retry(&vmf.vma->vm_sequence, seq)) {
+ trace_spf_vma_changed(_RET_IP_, vmf.vma, address);
+ return VM_FAULT_RETRY;
+ }
+
+ mem_cgroup_enter_user_fault();
+ ret = handle_pte_fault(&vmf);
+ mem_cgroup_exit_user_fault();
+
+ if (ret != VM_FAULT_RETRY) {
+ if (vma_is_anonymous(vmf.vma))
+ count_vm_event(SPECULATIVE_PGFAULT_ANON);
+ else
+ count_vm_event(SPECULATIVE_PGFAULT_FILE);
+ }
+
+ /*
+ * The task may have entered a memcg OOM situation but
+ * if the allocation error was handled gracefully (no
+ * VM_FAULT_OOM), there is no need to kill anything.
+ * Just clean up the OOM state peacefully.
+ */
+ if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM))
+ mem_cgroup_oom_synchronize(false);
+ return ret;
+
+out_walk:
+ trace_spf_vma_notsup(_RET_IP_, vmf.vma, address);
+ local_irq_enable();
+ return VM_FAULT_RETRY;
+
+out_segv:
+ trace_spf_vma_access(_RET_IP_, vmf.vma, address);
+ return VM_FAULT_SIGSEGV;
+}
+
+vm_fault_t __handle_speculative_fault(struct mm_struct *mm,
+ unsigned long address, unsigned int flags,
+ struct vm_area_struct **vma,
+ struct pt_regs *regs)
+{
+ vm_fault_t ret;
+
+ check_sync_rss_stat(current);
+
+ *vma = get_vma(mm, address);
+ if (!*vma)
+ return VM_FAULT_RETRY;
+
+ ret = ___handle_speculative_fault(mm, address, flags, *vma);
+
+ /*
+ * If there is no need to retry, don't return the vma to the caller.
+ */
+ if (ret != VM_FAULT_RETRY) {
+ put_vma(*vma);
+ *vma = NULL;
+ mm_account_fault(regs, address, flags, ret);
+ }
+
+ return ret;
+}
+
+/*
+ * This is used to know if the vma fetch in the speculative page fault handler
+ * is still valid when trying the regular fault path while holding the
+ * mmap_sem.
+ * The call to put_vma(vma) must be made after checking the vma's fields, as
+ * the vma may be freed by put_vma(). In such a case it is expected that false
+ * is returned.
+ */
+bool can_reuse_spf_vma(struct vm_area_struct *vma, unsigned long address)
+{
+ bool ret;
+
+ ret = !RB_EMPTY_NODE(&vma->vm_rb) &&
+ vma->vm_start <= address && address < vma->vm_end;
+ put_vma(vma);
+ return ret;
+}
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
/*
* By the time we get here, we already hold the mm semaphore
@@ -4995,7 +5525,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
buf, maddr + offset, bytes);
}
kunmap(page);
- put_page(page);
+ put_user_page(page);
}
len -= bytes;
buf += bytes;
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 6275b1c..3803f2d 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -596,8 +596,7 @@ void generic_online_page(struct page *page, unsigned int order)
* so we should map it first. This is better than introducing a special
* case in page freeing fast path.
*/
- if (debug_pagealloc_enabled_static())
- kernel_map_pages(page, 1 << order, 1);
+ debug_pagealloc_map_pages(page, 1 << order);
__free_pages_core(page, order);
totalram_pages_add(1UL << order);
#ifdef CONFIG_HIGHMEM
@@ -1131,6 +1130,46 @@ int add_memory(int nid, u64 start, u64 size, mhp_t mhp_flags)
}
EXPORT_SYMBOL_GPL(add_memory);
+int add_memory_subsection(int nid, u64 start, u64 size)
+{
+ struct mhp_params params = { .pgprot = PAGE_KERNEL };
+ struct resource *res;
+ int ret;
+
+ if (size == memory_block_size_bytes())
+ return add_memory(nid, start, size, MHP_NONE);
+
+ if (!IS_ALIGNED(start, SUBSECTION_SIZE) ||
+ !IS_ALIGNED(size, SUBSECTION_SIZE)) {
+ pr_err("%s: start 0x%llx size 0x%llx not aligned to subsection size\n",
+ __func__, start, size);
+ return -EINVAL;
+ }
+
+ res = register_memory_resource(start, size, "System RAM");
+ if (IS_ERR(res))
+ return PTR_ERR(res);
+
+ mem_hotplug_begin();
+
+ nid = memory_add_physaddr_to_nid(start);
+
+ if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK))
+ memblock_add_node(start, size, nid);
+
+ ret = arch_add_memory(nid, start, size, ¶ms);
+ if (ret) {
+ if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK))
+ memblock_remove(start, size);
+ pr_err("%s failed to add subsection start 0x%llx size 0x%llx\n",
+ __func__, start, size);
+ }
+ mem_hotplug_done();
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(add_memory_subsection);
+
/*
* Add special, driver-managed memory to the system as system RAM. Such
* memory is not exposed via the raw firmware-provided memmap as system
@@ -1279,6 +1318,8 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
struct page *page, *head;
int ret = 0;
LIST_HEAD(source);
+ static DEFINE_RATELIMIT_STATE(migrate_rs, DEFAULT_RATELIMIT_INTERVAL,
+ DEFAULT_RATELIMIT_BURST);
for (pfn = start_pfn; pfn < end_pfn; pfn++) {
if (!pfn_valid(pfn))
@@ -1325,8 +1366,10 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
page_is_file_lru(page));
} else {
- pr_warn("failed to isolate pfn %lx\n", pfn);
- dump_page(page, "isolation failed");
+ if (__ratelimit(&migrate_rs)) {
+ pr_warn("failed to isolate pfn %lx\n", pfn);
+ dump_page(page, "isolation failed");
+ }
}
put_page(page);
}
@@ -1355,9 +1398,11 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
(unsigned long)&mtc, MIGRATE_SYNC, MR_MEMORY_HOTPLUG);
if (ret) {
list_for_each_entry(page, &source, lru) {
- pr_warn("migrating pfn %lx failed ret:%d ",
- page_to_pfn(page), ret);
- dump_page(page, "migration failure");
+ if (__ratelimit(&migrate_rs)) {
+ pr_warn("migrating pfn %lx failed ret:%d\n",
+ page_to_pfn(page), ret);
+ dump_page(page, "migration failure");
+ }
}
putback_movable_pages(&source);
}
@@ -1492,15 +1537,18 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages)
}
node = zone_to_nid(zone);
+ lru_cache_disable();
/* set above range as isolated */
ret = start_isolate_page_range(start_pfn, end_pfn,
MIGRATE_MOVABLE,
- MEMORY_OFFLINE | REPORT_FAILURE);
+ MEMORY_OFFLINE | REPORT_FAILURE, NULL);
if (ret) {
reason = "failure to isolate range";
goto failed_removal;
}
+ drain_all_pages(zone);
+
arg.start_pfn = start_pfn;
arg.nr_pages = nr_pages;
node_states_check_changes_offline(nr_pages, zone, &arg);
@@ -1522,7 +1570,6 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages)
}
cond_resched();
- lru_add_drain_all();
ret = scan_movable_pages(pfn, end_pfn, &pfn);
if (!ret) {
@@ -1551,18 +1598,17 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages)
}
/*
- * per-cpu pages are drained in start_isolate_page_range, but if
- * there are still pages that are not free, make sure that we
- * drain again, because when we isolated range we might
- * have raced with another thread that was adding pages to pcp
- * list.
+ * per-cpu pages are drained after start_isolate_page_range, but
+ * if there are still pages that are not free, make sure that we
+ * drain again, because when we isolated range we might have
+ * raced with another thread that was adding pages to pcp list.
*
* Forward progress should be still guaranteed because
* pages on the pcp list can only belong to MOVABLE_ZONE
* because has_unmovable_pages explicitly checks for
* PageBuddy on freed pages on other zones.
*/
- ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE);
+ ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE, NULL);
if (ret)
drain_all_pages(zone);
} while (ret);
@@ -1580,6 +1626,7 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages)
zone->nr_isolate_pageblock -= nr_pages / pageblock_nr_pages;
spin_unlock_irqrestore(&zone->lock, flags);
+ lru_cache_enable();
/* removal success */
adjust_managed_page_count(pfn_to_page(start_pfn), -nr_pages);
zone->present_pages -= nr_pages;
@@ -1788,6 +1835,32 @@ int remove_memory(int nid, u64 start, u64 size)
}
EXPORT_SYMBOL_GPL(remove_memory);
+int remove_memory_subsection(int nid, u64 start, u64 size)
+{
+ if (size == memory_block_size_bytes())
+ return remove_memory(nid, start, size);
+
+ if (!IS_ALIGNED(start, SUBSECTION_SIZE) ||
+ !IS_ALIGNED(size, SUBSECTION_SIZE)) {
+ pr_err("%s: start 0x%llx size 0x%llx not aligned to subsection size\n",
+ __func__, start, size);
+ return -EINVAL;
+ }
+
+ mem_hotplug_begin();
+ arch_remove_memory(nid, start, size, NULL);
+
+ if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK))
+ memblock_remove(start, size);
+
+ release_mem_region_adjustable(start, size);
+
+ mem_hotplug_done();
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(remove_memory_subsection);
+
/*
* Try to offline and remove a memory block. Might take a long time to
* finish in case memory is still in use. Primarily useful for memory devices
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 3ca4898..58abb6d 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -406,8 +406,11 @@ void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new)
struct vm_area_struct *vma;
mmap_write_lock(mm);
- for (vma = mm->mmap; vma; vma = vma->vm_next)
+ for (vma = mm->mmap; vma; vma = vma->vm_next) {
+ vm_write_begin(vma);
mpol_rebind_policy(vma->vm_policy, new);
+ vm_write_end(vma);
+ }
mmap_write_unlock(mm);
}
@@ -654,9 +657,11 @@ unsigned long change_prot_numa(struct vm_area_struct *vma,
{
int nr_updated;
+ vm_write_begin(vma);
nr_updated = change_protection(vma, addr, end, PAGE_NONE, MM_CP_PROT_NUMA);
if (nr_updated)
count_vm_numa_events(NUMA_PTE_UPDATES, nr_updated);
+ vm_write_end(vma);
return nr_updated;
}
@@ -782,6 +787,7 @@ static int vma_replace_policy(struct vm_area_struct *vma,
if (IS_ERR(new))
return PTR_ERR(new);
+ vm_write_begin(vma);
if (vma->vm_ops && vma->vm_ops->set_policy) {
err = vma->vm_ops->set_policy(vma, new);
if (err)
@@ -789,11 +795,17 @@ static int vma_replace_policy(struct vm_area_struct *vma,
}
old = vma->vm_policy;
- vma->vm_policy = new; /* protected by mmap_lock */
+ /*
+ * The speculative page fault handler accesses this field without
+ * hodling the mmap_sem.
+ */
+ WRITE_ONCE(vma->vm_policy, new);
+ vm_write_end(vma);
mpol_put(old);
return 0;
err_out:
+ vm_write_end(vma);
mpol_put(new);
return err;
}
@@ -829,7 +841,8 @@ static int mbind_range(struct mm_struct *mm, unsigned long start,
((vmstart - vma->vm_start) >> PAGE_SHIFT);
prev = vma_merge(mm, prev, vmstart, vmend, vma->vm_flags,
vma->anon_vma, vma->vm_file, pgoff,
- new_pol, vma->vm_userfaultfd_ctx);
+ new_pol, vma->vm_userfaultfd_ctx,
+ vma_get_anon_name(vma));
if (prev) {
vma = prev;
next = vma->vm_next;
@@ -1111,12 +1124,10 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
const nodemask_t *to, int flags)
{
int busy = 0;
- int err;
+ int err = 0;
nodemask_t tmp;
- err = migrate_prep();
- if (err)
- return err;
+ lru_cache_disable();
mmap_read_lock(mm);
@@ -1200,6 +1211,8 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
break;
}
mmap_read_unlock(mm);
+
+ lru_cache_enable();
if (err < 0)
return err;
return busy;
@@ -1315,9 +1328,7 @@ static long do_mbind(unsigned long start, unsigned long len,
if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) {
- err = migrate_prep();
- if (err)
- goto mpol_out;
+ lru_cache_disable();
}
{
NODEMASK_SCRATCH(scratch);
@@ -1365,6 +1376,8 @@ static long do_mbind(unsigned long start, unsigned long len,
mmap_write_unlock(mm);
mpol_out:
mpol_put(new);
+ if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
+ lru_cache_enable();
return err;
}
@@ -1779,23 +1792,28 @@ bool vma_migratable(struct vm_area_struct *vma)
struct mempolicy *__get_vma_policy(struct vm_area_struct *vma,
unsigned long addr)
{
- struct mempolicy *pol = NULL;
+ struct mempolicy *pol;
- if (vma) {
- if (vma->vm_ops && vma->vm_ops->get_policy) {
- pol = vma->vm_ops->get_policy(vma, addr);
- } else if (vma->vm_policy) {
- pol = vma->vm_policy;
+ if (!vma)
+ return NULL;
- /*
- * shmem_alloc_page() passes MPOL_F_SHARED policy with
- * a pseudo vma whose vma->vm_ops=NULL. Take a reference
- * count on these policies which will be dropped by
- * mpol_cond_put() later
- */
- if (mpol_needs_cond_ref(pol))
- mpol_get(pol);
- }
+ if (vma->vm_ops && vma->vm_ops->get_policy)
+ return vma->vm_ops->get_policy(vma, addr);
+
+ /*
+ * This could be called without holding the mmap_sem in the
+ * speculative page fault handler's path.
+ */
+ pol = READ_ONCE(vma->vm_policy);
+ if (pol) {
+ /*
+ * shmem_alloc_page() passes MPOL_F_SHARED policy with
+ * a pseudo vma whose vma->vm_ops=NULL. Take a reference
+ * count on these policies which will be dropped by
+ * mpol_cond_put() later
+ */
+ if (mpol_needs_cond_ref(pol))
+ mpol_get(pol);
}
return pol;
diff --git a/mm/mempool.c b/mm/mempool.c
index f473cdd..a69bc08 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -104,17 +104,19 @@ static inline void poison_element(mempool_t *pool, void *element)
static __always_inline void kasan_poison_element(mempool_t *pool, void *element)
{
if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
- kasan_poison_kfree(element, _RET_IP_);
+ kasan_slab_free_mempool(element);
else if (pool->alloc == mempool_alloc_pages)
- kasan_free_pages(element, (unsigned long)pool->pool_data);
+ kasan_poison_pages(element, (unsigned long)pool->pool_data,
+ false);
}
static void kasan_unpoison_element(mempool_t *pool, void *element)
{
if (pool->alloc == mempool_alloc_slab || pool->alloc == mempool_kmalloc)
- kasan_unpoison_slab(element);
+ kasan_unpoison_range(element, __ksize(element));
else if (pool->alloc == mempool_alloc_pages)
- kasan_alloc_pages(element, (unsigned long)pool->pool_data);
+ kasan_unpoison_pages(element, (unsigned long)pool->pool_data,
+ false);
}
static __always_inline void add_element(mempool_t *pool, void *element)
diff --git a/mm/migrate.c b/mm/migrate.c
index 278e6f3..7137465 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -57,32 +57,6 @@
#include "internal.h"
-/*
- * migrate_prep() needs to be called before we start compiling a list of pages
- * to be migrated using isolate_lru_page(). If scheduling work on other CPUs is
- * undesirable, use migrate_prep_local()
- */
-int migrate_prep(void)
-{
- /*
- * Clear the LRU lists so pages can be isolated.
- * Note that pages may be moved off the LRU after we have
- * drained them. Those pages will fail to migrate like other
- * pages that may be busy.
- */
- lru_add_drain_all();
-
- return 0;
-}
-
-/* Do the necessary work of migrate_prep but not if it involves other CPUs */
-int migrate_prep_local(void)
-{
- lru_add_drain();
-
- return 0;
-}
-
int isolate_movable_page(struct page *page, isolate_mode_t mode)
{
struct address_space *mapping;
@@ -198,6 +172,7 @@ void putback_movable_pages(struct list_head *l)
}
}
}
+EXPORT_SYMBOL_GPL(putback_movable_pages);
/*
* Restore a potential migration pte to a working pte entry
@@ -242,7 +217,7 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma,
*/
entry = pte_to_swp_entry(*pvmw.pte);
if (is_write_migration_entry(entry))
- pte = maybe_mkwrite(pte, vma);
+ pte = maybe_mkwrite(pte, vma->vm_flags);
else if (pte_swp_uffd_wp(*pvmw.pte))
pte = pte_mkuffd_wp(pte);
@@ -1431,6 +1406,8 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
int swapwrite = current->flags & PF_SWAPWRITE;
int rc, nr_subpages;
+ trace_mm_migrate_pages_start(mode, reason);
+
if (!swapwrite)
current->flags |= PF_SWAPWRITE;
@@ -1536,6 +1513,7 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
return rc;
}
+EXPORT_SYMBOL_GPL(migrate_pages);
struct page *alloc_migration_target(struct page *page, unsigned long private)
{
@@ -1677,7 +1655,7 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr,
* isolate_lru_page() or drop the page ref if it was
* not isolated.
*/
- put_page(page);
+ put_user_page(page);
out:
mmap_read_unlock(mm);
return err;
@@ -1724,7 +1702,7 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes,
int start, i;
int err = 0, err1;
- migrate_prep();
+ lru_cache_disable();
for (i = start = 0; i < nr_pages; i++) {
const void __user *p;
@@ -1793,6 +1771,7 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes,
if (err >= 0)
err = err1;
out:
+ lru_cache_enable();
return err;
}
@@ -2070,7 +2049,7 @@ bool pmd_trans_migrating(pmd_t pmd)
* node. Caller is expected to have an elevated reference count on
* the page that will be dropped by this function before returning.
*/
-int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma,
+int migrate_misplaced_page(struct page *page, struct vm_fault *vmf,
int node)
{
pg_data_t *pgdat = NODE_DATA(node);
@@ -2083,7 +2062,7 @@ int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma,
* with execute permissions as they are probably shared libraries.
*/
if (page_mapcount(page) != 1 && page_is_file_lru(page) &&
- (vma->vm_flags & VM_EXEC))
+ (vmf->vma_flags & VM_EXEC))
goto out;
/*
diff --git a/mm/mlock.c b/mm/mlock.c
index 884b121..188aa74 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -17,6 +17,7 @@
#include <linux/mempolicy.h>
#include <linux/syscalls.h>
#include <linux/sched.h>
+#include <linux/page_pinner.h>
#include <linux/export.h>
#include <linux/rmap.h>
#include <linux/mmzone.h>
@@ -450,7 +451,9 @@ static unsigned long __munlock_pagevec_fill(struct pagevec *pvec,
void munlock_vma_pages_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- vma->vm_flags &= VM_LOCKED_CLEAR_MASK;
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags, vma->vm_flags & VM_LOCKED_CLEAR_MASK);
+ vm_write_end(vma);
while (start < end) {
struct page *page;
@@ -468,8 +471,15 @@ void munlock_vma_pages_range(struct vm_area_struct *vma,
* has sneaked into the range, we won't oops here: great).
*/
page = follow_page(vma, start, FOLL_GET | FOLL_DUMP);
-
if (page && !IS_ERR(page)) {
+ /*
+ * munlock_vma_pages_range uses follow_page(FOLL_GET)
+ * so it need to use put_user_page but the munlock
+ * path is quite complicated to deal with each put
+ * sites correctly so just unattribute them to avoid
+ * false positive at this moment.
+ */
+ reset_page_pinner(page, compound_order(page));
if (PageTransTail(page)) {
VM_BUG_ON_PAGE(PageMlocked(page), page);
put_page(page); /* follow_page_mask() */
@@ -540,7 +550,7 @@ static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev,
pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
*prev = vma_merge(mm, *prev, start, end, newflags, vma->anon_vma,
vma->vm_file, pgoff, vma_policy(vma),
- vma->vm_userfaultfd_ctx);
+ vma->vm_userfaultfd_ctx, vma_get_anon_name(vma));
if (*prev) {
vma = *prev;
goto success;
@@ -574,10 +584,11 @@ static int mlock_fixup(struct vm_area_struct *vma, struct vm_area_struct **prev,
* It's okay if try_to_unmap_one unmaps a page just after we
* set VM_LOCKED, populate_vma_page_range will bring it back.
*/
-
- if (lock)
- vma->vm_flags = newflags;
- else
+ if (lock) {
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags, newflags);
+ vm_write_end(vma);
+ } else
munlock_vma_pages_range(vma, start, end);
out:
diff --git a/mm/mmap.c b/mm/mmap.c
index 5c8b448..9a4f092 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -55,7 +55,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/mmap.h>
-
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
#include "internal.h"
#ifndef arch_mmap_check
@@ -168,6 +169,27 @@ void unlink_file_vma(struct vm_area_struct *vma)
}
}
+static void __free_vma(struct vm_area_struct *vma)
+{
+ if (vma->vm_file)
+ fput(vma->vm_file);
+ mpol_put(vma_policy(vma));
+ vm_area_free(vma);
+}
+
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+void put_vma(struct vm_area_struct *vma)
+{
+ if (atomic_dec_and_test(&vma->vm_ref_count))
+ __free_vma(vma);
+}
+#else
+static inline void put_vma(struct vm_area_struct *vma)
+{
+ __free_vma(vma);
+}
+#endif
+
/*
* Close a vm structure and free it, returning the next.
*/
@@ -178,10 +200,7 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma)
might_sleep();
if (vma->vm_ops && vma->vm_ops->close)
vma->vm_ops->close(vma);
- if (vma->vm_file)
- fput(vma->vm_file);
- mpol_put(vma_policy(vma));
- vm_area_free(vma);
+ put_vma(vma);
return next;
}
@@ -434,6 +453,13 @@ static void validate_mm(struct mm_struct *mm)
RB_DECLARE_CALLBACKS_MAX(static, vma_gap_callbacks,
struct vm_area_struct, vm_rb,
unsigned long, rb_subtree_gap, vma_compute_gap)
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+#define mm_rb_write_lock(mm) write_lock(&(mm)->mm_rb_lock)
+#define mm_rb_write_unlock(mm) write_unlock(&(mm)->mm_rb_lock)
+#else
+#define mm_rb_write_lock(mm) do { } while (0)
+#define mm_rb_write_unlock(mm) do { } while (0)
+#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
/*
* Update augmented rbtree rb_subtree_gap values after vma->vm_start or
@@ -450,26 +476,37 @@ static void vma_gap_update(struct vm_area_struct *vma)
}
static inline void vma_rb_insert(struct vm_area_struct *vma,
- struct rb_root *root)
+ struct mm_struct *mm)
{
+ struct rb_root *root = &mm->mm_rb;
+
/* All rb_subtree_gap values must be consistent prior to insertion */
validate_mm_rb(root, NULL);
rb_insert_augmented(&vma->vm_rb, root, &vma_gap_callbacks);
}
-static void __vma_rb_erase(struct vm_area_struct *vma, struct rb_root *root)
+static void __vma_rb_erase(struct vm_area_struct *vma, struct mm_struct *mm)
{
+ struct rb_root *root = &mm->mm_rb;
/*
* Note rb_erase_augmented is a fairly large inline function,
* so make sure we instantiate it only once with our desired
* augmented rbtree callbacks.
*/
+ mm_rb_write_lock(mm);
rb_erase_augmented(&vma->vm_rb, root, &vma_gap_callbacks);
+ mm_rb_write_unlock(mm); /* wmb */
+
+ /*
+ * Ensure the removal is complete before clearing the node.
+ * Matched by vma_has_changed()/handle_speculative_fault().
+ */
+ RB_CLEAR_NODE(&vma->vm_rb);
}
static __always_inline void vma_rb_erase_ignore(struct vm_area_struct *vma,
- struct rb_root *root,
+ struct mm_struct *mm,
struct vm_area_struct *ignore)
{
/*
@@ -481,15 +518,15 @@ static __always_inline void vma_rb_erase_ignore(struct vm_area_struct *vma,
* b. the vma being erased in detach_vmas_to_be_unmapped() ->
* vma_rb_erase()
*/
- validate_mm_rb(root, ignore);
+ validate_mm_rb(&mm->mm_rb, ignore);
- __vma_rb_erase(vma, root);
+ __vma_rb_erase(vma, mm);
}
static __always_inline void vma_rb_erase(struct vm_area_struct *vma,
- struct rb_root *root)
+ struct mm_struct *mm)
{
- vma_rb_erase_ignore(vma, root, vma);
+ vma_rb_erase_ignore(vma, mm, vma);
}
/*
@@ -648,10 +685,12 @@ void __vma_link_rb(struct mm_struct *mm, struct vm_area_struct *vma,
* immediately update the gap to the correct value. Finally we
* rebalance the rbtree after all augmented values have been set.
*/
+ mm_rb_write_lock(mm);
rb_link_node(&vma->vm_rb, rb_parent, rb_link);
vma->rb_subtree_gap = 0;
vma_gap_update(vma);
- vma_rb_insert(vma, &mm->mm_rb);
+ vma_rb_insert(vma, mm);
+ mm_rb_write_unlock(mm);
}
static void __vma_link_file(struct vm_area_struct *vma)
@@ -723,7 +762,7 @@ static __always_inline void __vma_unlink(struct mm_struct *mm,
struct vm_area_struct *vma,
struct vm_area_struct *ignore)
{
- vma_rb_erase_ignore(vma, &mm->mm_rb, ignore);
+ vma_rb_erase_ignore(vma, mm, ignore);
__vma_unlink_list(mm, vma);
/* Kill the cache */
vmacache_invalidate(mm);
@@ -738,7 +777,7 @@ static __always_inline void __vma_unlink(struct mm_struct *mm,
*/
int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert,
- struct vm_area_struct *expand)
+ struct vm_area_struct *expand, bool keep_locked)
{
struct mm_struct *mm = vma->vm_mm;
struct vm_area_struct *next = vma->vm_next, *orig_vma = vma;
@@ -750,6 +789,10 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
long adjust_next = 0;
int remove_next = 0;
+ vm_write_begin(vma);
+ if (next)
+ vm_write_begin(next);
+
if (next && !insert) {
struct vm_area_struct *exporter = NULL, *importer = NULL;
@@ -828,8 +871,12 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
importer->anon_vma = exporter->anon_vma;
error = anon_vma_clone(importer, exporter);
- if (error)
+ if (error) {
+ if (next && next != vma)
+ vm_write_end(next);
+ vm_write_end(vma);
return error;
+ }
}
}
again:
@@ -875,17 +922,19 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
}
if (start != vma->vm_start) {
- vma->vm_start = start;
+ WRITE_ONCE(vma->vm_start, start);
start_changed = true;
}
if (end != vma->vm_end) {
- vma->vm_end = end;
+ WRITE_ONCE(vma->vm_end, end);
end_changed = true;
}
- vma->vm_pgoff = pgoff;
+ WRITE_ONCE(vma->vm_pgoff, pgoff);
if (adjust_next) {
- next->vm_start += adjust_next;
- next->vm_pgoff += adjust_next >> PAGE_SHIFT;
+ WRITE_ONCE(next->vm_start,
+ next->vm_start + adjust_next);
+ WRITE_ONCE(next->vm_pgoff,
+ next->vm_pgoff + (adjust_next >> PAGE_SHIFT));
}
if (file) {
@@ -949,15 +998,13 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
}
if (remove_next) {
- if (file) {
+ if (file)
uprobe_munmap(next, next->vm_start, next->vm_end);
- fput(file);
- }
if (next->anon_vma)
anon_vma_merge(vma, next);
mm->map_count--;
- mpol_put(vma_policy(next));
- vm_area_free(next);
+ vm_write_end(next);
+ put_vma(next);
/*
* In mprotect's case 6 (see comments on vma_merge),
* we must remove another next too. It would clutter
@@ -971,6 +1018,8 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
* "vma->vm_next" gap must be updated.
*/
next = vma->vm_next;
+ if (next)
+ vm_write_begin(next);
} else {
/*
* For the scope of the comment "next" and
@@ -1017,6 +1066,11 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
if (insert && file)
uprobe_mmap(insert);
+ if (next && next != vma)
+ vm_write_end(next);
+ if (!keep_locked)
+ vm_write_end(vma);
+
validate_mm(mm);
return 0;
@@ -1028,7 +1082,8 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
*/
static inline int is_mergeable_vma(struct vm_area_struct *vma,
struct file *file, unsigned long vm_flags,
- struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+ struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+ const char __user *anon_name)
{
/*
* VM_SOFTDIRTY should not prevent from VMA merging, if we
@@ -1046,6 +1101,8 @@ static inline int is_mergeable_vma(struct vm_area_struct *vma,
return 0;
if (!is_mergeable_vm_userfaultfd_ctx(vma, vm_userfaultfd_ctx))
return 0;
+ if (vma_get_anon_name(vma) != anon_name)
+ return 0;
return 1;
}
@@ -1078,9 +1135,10 @@ static int
can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags,
struct anon_vma *anon_vma, struct file *file,
pgoff_t vm_pgoff,
- struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+ struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+ const char __user *anon_name)
{
- if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) &&
+ if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx, anon_name) &&
is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
if (vma->vm_pgoff == vm_pgoff)
return 1;
@@ -1099,9 +1157,10 @@ static int
can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
struct anon_vma *anon_vma, struct file *file,
pgoff_t vm_pgoff,
- struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+ struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+ const char __user *anon_name)
{
- if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx) &&
+ if (is_mergeable_vma(vma, file, vm_flags, vm_userfaultfd_ctx, anon_name) &&
is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) {
pgoff_t vm_pglen;
vm_pglen = vma_pages(vma);
@@ -1112,9 +1171,9 @@ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
}
/*
- * Given a mapping request (addr,end,vm_flags,file,pgoff), figure out
- * whether that can be merged with its predecessor or its successor.
- * Or both (it neatly fills a hole).
+ * Given a mapping request (addr,end,vm_flags,file,pgoff,anon_name),
+ * figure out whether that can be merged with its predecessor or its
+ * successor. Or both (it neatly fills a hole).
*
* In most cases - when called for mmap, brk or mremap - [addr,end) is
* certain not to be mapped by the time vma_merge is called; but when
@@ -1154,12 +1213,13 @@ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags,
* parameter) may establish ptes with the wrong permissions of NNNN
* instead of the right permissions of XXXX.
*/
-struct vm_area_struct *vma_merge(struct mm_struct *mm,
+struct vm_area_struct *__vma_merge(struct mm_struct *mm,
struct vm_area_struct *prev, unsigned long addr,
unsigned long end, unsigned long vm_flags,
struct anon_vma *anon_vma, struct file *file,
pgoff_t pgoff, struct mempolicy *policy,
- struct vm_userfaultfd_ctx vm_userfaultfd_ctx)
+ struct vm_userfaultfd_ctx vm_userfaultfd_ctx,
+ const char __user *anon_name, bool keep_locked)
{
pgoff_t pglen = (end - addr) >> PAGE_SHIFT;
struct vm_area_struct *area, *next;
@@ -1189,7 +1249,8 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
mpol_equal(vma_policy(prev), policy) &&
can_vma_merge_after(prev, vm_flags,
anon_vma, file, pgoff,
- vm_userfaultfd_ctx)) {
+ vm_userfaultfd_ctx,
+ anon_name)) {
/*
* OK, it can. Can we now merge in the successor as well?
*/
@@ -1198,16 +1259,18 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
can_vma_merge_before(next, vm_flags,
anon_vma, file,
pgoff+pglen,
- vm_userfaultfd_ctx) &&
+ vm_userfaultfd_ctx,
+ anon_name) &&
is_mergeable_anon_vma(prev->anon_vma,
next->anon_vma, NULL)) {
/* cases 1, 6 */
err = __vma_adjust(prev, prev->vm_start,
next->vm_end, prev->vm_pgoff, NULL,
- prev);
+ prev, keep_locked);
} else /* cases 2, 5, 7 */
err = __vma_adjust(prev, prev->vm_start,
- end, prev->vm_pgoff, NULL, prev);
+ end, prev->vm_pgoff, NULL, prev,
+ keep_locked);
if (err)
return NULL;
khugepaged_enter_vma_merge(prev, vm_flags);
@@ -1221,13 +1284,16 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
mpol_equal(policy, vma_policy(next)) &&
can_vma_merge_before(next, vm_flags,
anon_vma, file, pgoff+pglen,
- vm_userfaultfd_ctx)) {
+ vm_userfaultfd_ctx,
+ anon_name)) {
if (prev && addr < prev->vm_end) /* case 4 */
err = __vma_adjust(prev, prev->vm_start,
- addr, prev->vm_pgoff, NULL, next);
+ addr, prev->vm_pgoff, NULL, next,
+ keep_locked);
else { /* cases 3, 8 */
err = __vma_adjust(area, addr, next->vm_end,
- next->vm_pgoff - pglen, NULL, next);
+ next->vm_pgoff - pglen, NULL, next,
+ keep_locked);
/*
* In case 3 area is already equal to next and
* this is a noop, but in case 8 "area" has
@@ -1765,7 +1831,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
* Can we just expand an old mapping?
*/
vma = vma_merge(mm, prev, addr, addr + len, vm_flags,
- NULL, file, pgoff, NULL, NULL_VM_UFFD_CTX);
+ NULL, file, pgoff, NULL, NULL_VM_UFFD_CTX, NULL);
if (vma)
goto out;
@@ -1824,7 +1890,8 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
*/
if (unlikely(vm_flags != vma->vm_flags && prev)) {
merge = vma_merge(mm, prev, vma->vm_start, vma->vm_end, vma->vm_flags,
- NULL, vma->vm_file, vma->vm_pgoff, NULL, NULL_VM_UFFD_CTX);
+ NULL, vma->vm_file, vma->vm_pgoff, NULL, NULL_VM_UFFD_CTX,
+ vma_get_anon_name(vma));
if (merge) {
/* ->mmap() can change vma->vm_file and fput the original file. So
* fput the vma->vm_file here or we would add an extra fput for file
@@ -1870,12 +1937,14 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
out:
perf_event_mmap(vma);
+ vm_write_begin(vma);
vm_stat_account(mm, vm_flags, len >> PAGE_SHIFT);
if (vm_flags & VM_LOCKED) {
if ((vm_flags & VM_SPECIAL) || vma_is_dax(vma) ||
is_vm_hugetlb_page(vma) ||
vma == get_gate_vma(current->mm))
- vma->vm_flags &= VM_LOCKED_CLEAR_MASK;
+ WRITE_ONCE(vma->vm_flags,
+ vma->vm_flags & VM_LOCKED_CLEAR_MASK);
else
mm->locked_vm += (len >> PAGE_SHIFT);
}
@@ -1890,9 +1959,12 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
* then new mapped in-place (which must be aimed as
* a completely new data area).
*/
- vma->vm_flags |= VM_SOFTDIRTY;
+ WRITE_ONCE(vma->vm_flags, vma->vm_flags | VM_SOFTDIRTY);
vma_set_page_prot(vma);
+ vm_write_end(vma);
+
+ trace_android_vh_mmap_region(vma, addr);
return addr;
@@ -2024,12 +2096,17 @@ static unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info)
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
unsigned long length, low_limit, high_limit, gap_start, gap_end;
+ unsigned long addr = 0;
/* Adjust search length to account for worst case alignment overhead */
length = info->length + info->align_mask;
if (length < info->length)
return -ENOMEM;
+ trace_android_vh_get_from_fragment_pool(mm, info, &addr);
+ if (addr)
+ return addr;
+
/*
* Adjust search limits by the desired length.
* See implementation comment at top of unmapped_area().
@@ -2139,6 +2216,7 @@ unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info)
trace_vm_unmapped_area(addr, info);
return addr;
}
+EXPORT_SYMBOL_GPL(vm_unmapped_area);
#ifndef arch_get_mmap_end
#define arch_get_mmap_end(addr) (TASK_SIZE)
@@ -2232,6 +2310,7 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
info.high_limit = arch_get_mmap_base(addr, mm->mmap_base);
info.align_mask = 0;
info.align_offset = 0;
+ trace_android_vh_exclude_reserved_zone(mm, &info);
addr = vm_unmapped_area(&info);
/*
@@ -2248,6 +2327,8 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
addr = vm_unmapped_area(&info);
}
+ trace_android_vh_include_reserved_zone(mm, &info, &addr);
+
return addr;
}
#endif
@@ -2297,15 +2378,11 @@ get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
EXPORT_SYMBOL(get_unmapped_area);
/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */
-struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
+static struct vm_area_struct *__find_vma(struct mm_struct *mm,
+ unsigned long addr)
{
struct rb_node *rb_node;
- struct vm_area_struct *vma;
-
- /* Check the cache first. */
- vma = vmacache_find(mm, addr);
- if (likely(vma))
- return vma;
+ struct vm_area_struct *vma = NULL;
rb_node = mm->mm_rb.rb_node;
@@ -2323,13 +2400,40 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
rb_node = rb_node->rb_right;
}
+ return vma;
+}
+
+struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
+{
+ struct vm_area_struct *vma;
+
+ /* Check the cache first. */
+ vma = vmacache_find(mm, addr);
+ if (likely(vma))
+ return vma;
+
+ vma = __find_vma(mm, addr);
if (vma)
vmacache_update(addr, vma);
return vma;
}
-
EXPORT_SYMBOL(find_vma);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+struct vm_area_struct *get_vma(struct mm_struct *mm, unsigned long addr)
+{
+ struct vm_area_struct *vma = NULL;
+
+ read_lock(&mm->mm_rb_lock);
+ vma = __find_vma(mm, addr);
+ if (vma)
+ atomic_inc(&vma->vm_ref_count);
+ read_unlock(&mm->mm_rb_lock);
+
+ return vma;
+}
+#endif
+
/*
* Same as find_vma, but also return a pointer to the previous VMA in *pprev.
*/
@@ -2549,8 +2653,8 @@ int expand_downwards(struct vm_area_struct *vma,
mm->locked_vm += grow;
vm_stat_account(mm, vma->vm_flags, grow);
anon_vma_interval_tree_pre_update_vma(vma);
- vma->vm_start = address;
- vma->vm_pgoff -= grow;
+ WRITE_ONCE(vma->vm_start, address);
+ WRITE_ONCE(vma->vm_pgoff, vma->vm_pgoff - grow);
anon_vma_interval_tree_post_update_vma(vma);
vma_gap_update(vma);
spin_unlock(&mm->page_table_lock);
@@ -2693,7 +2797,7 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma,
insertion_point = (prev ? &prev->vm_next : &mm->mmap);
vma->vm_prev = NULL;
do {
- vma_rb_erase(vma, &mm->mm_rb);
+ vma_rb_erase(vma, mm);
mm->map_count--;
tail_vma = vma;
vma = vma->vm_next;
@@ -3100,7 +3204,7 @@ static int do_brk_flags(unsigned long addr, unsigned long len, unsigned long fla
/* Can we just expand an old private anonymous mapping? */
vma = vma_merge(mm, prev, addr, addr + len, flags,
- NULL, NULL, pgoff, NULL, NULL_VM_UFFD_CTX);
+ NULL, NULL, pgoff, NULL, NULL_VM_UFFD_CTX, NULL);
if (vma)
goto out;
@@ -3297,9 +3401,21 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
if (find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent))
return NULL; /* should never get here */
- new_vma = vma_merge(mm, prev, addr, addr + len, vma->vm_flags,
- vma->anon_vma, vma->vm_file, pgoff, vma_policy(vma),
- vma->vm_userfaultfd_ctx);
+
+ /* There is 3 cases to manage here in
+ * AAAA AAAA AAAA AAAA
+ * PPPP.... PPPP......NNNN PPPP....NNNN PP........NN
+ * PPPPPPPP(A) PPPP..NNNNNNNN(B) PPPPPPPPPPPP(1) NULL
+ * PPPPPPPPNNNN(2)
+ * PPPPNNNNNNNN(3)
+ *
+ * new_vma == prev in case A,1,2
+ * new_vma == next in case B,3
+ */
+ new_vma = __vma_merge(mm, prev, addr, addr + len, vma->vm_flags,
+ vma->anon_vma, vma->vm_file, pgoff,
+ vma_policy(vma), vma->vm_userfaultfd_ctx,
+ vma_get_anon_name(vma), true);
if (new_vma) {
/*
* Source vma may have been merged into new_vma
@@ -3337,6 +3453,15 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
get_file(new_vma->vm_file);
if (new_vma->vm_ops && new_vma->vm_ops->open)
new_vma->vm_ops->open(new_vma);
+ /*
+ * As the VMA is linked right now, it may be hit by the
+ * speculative page fault handler. But we don't want it to
+ * to start mapping page in this area until the caller has
+ * potentially move the pte from the moved VMA. To prevent
+ * that we protect it right now, and let the caller unprotect
+ * it once the move is done.
+ */
+ vm_write_begin(new_vma);
vma_link(mm, new_vma, prev, rb_link, rb_parent);
*need_rmap_locks = false;
}
diff --git a/mm/mmzone.c b/mm/mmzone.c
index 4686fdc..2241281 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -9,6 +9,7 @@
#include <linux/stddef.h>
#include <linux/mm.h>
#include <linux/mmzone.h>
+#include <trace/hooks/mm.h>
struct pglist_data *first_online_pgdat(void)
{
@@ -71,6 +72,7 @@ struct zoneref *__next_zones_zonelist(struct zoneref *z,
return z;
}
+EXPORT_SYMBOL_GPL(__next_zones_zonelist);
#ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
bool memmap_valid_within(unsigned long pfn,
@@ -113,3 +115,20 @@ int page_cpupid_xchg_last(struct page *page, int cpupid)
return last_cpupid;
}
#endif
+
+enum zone_type gfp_zone(gfp_t flags)
+{
+ enum zone_type z;
+ gfp_t local_flags = flags;
+ int bit;
+
+ trace_android_rvh_set_gfp_zone_flags(&local_flags);
+
+ bit = (__force int) ((local_flags) & GFP_ZONEMASK);
+
+ z = (GFP_ZONE_TABLE >> (bit * GFP_ZONES_SHIFT)) &
+ ((1 << GFP_ZONES_SHIFT) - 1);
+ VM_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
+ return z;
+}
+EXPORT_SYMBOL_GPL(gfp_zone);
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 56c02be..05073d7 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -35,6 +35,51 @@
#include "internal.h"
+/* Determine whether we can avoid taking write faults for known dirty pages. */
+static bool may_avoid_write_fault(pte_t pte, struct vm_area_struct *vma,
+ unsigned long cp_flags)
+{
+ /*
+ * The dirty accountable bit indicates that we can always make the page
+ * writable regardless of the number of references.
+ */
+ if (!(cp_flags & MM_CP_DIRTY_ACCT)) {
+ /* Otherwise, we must have exclusive access to the page. */
+ if (!(vma_is_anonymous(vma) && (vma->vm_flags & VM_WRITE)))
+ return false;
+
+ if (page_count(pte_page(pte)) != 1)
+ return false;
+ }
+
+ /*
+ * Don't do this optimization for clean pages as we need to be notified
+ * of the transition from clean to dirty.
+ */
+ if (!pte_dirty(pte))
+ return false;
+
+ /* Same for softdirty. */
+ if (!pte_soft_dirty(pte) && (vma->vm_flags & VM_SOFTDIRTY))
+ return false;
+
+ /*
+ * For userfaultfd the user program needs to monitor write faults so we
+ * can't do this optimization.
+ */
+ if (pte_uffd_wp(pte))
+ return false;
+
+ /*
+ * It is unclear whether this optimization can be done safely for NUMA
+ * pages.
+ */
+ if (cp_flags & MM_CP_PROT_NUMA)
+ return false;
+
+ return true;
+}
+
static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
unsigned long addr, unsigned long end, pgprot_t newprot,
unsigned long cp_flags)
@@ -43,7 +88,6 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
spinlock_t *ptl;
unsigned long pages = 0;
int target_node = NUMA_NO_NODE;
- bool dirty_accountable = cp_flags & MM_CP_DIRTY_ACCT;
bool prot_numa = cp_flags & MM_CP_PROT_NUMA;
bool uffd_wp = cp_flags & MM_CP_UFFD_WP;
bool uffd_wp_resolve = cp_flags & MM_CP_UFFD_WP_RESOLVE;
@@ -131,12 +175,8 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
ptent = pte_clear_uffd_wp(ptent);
}
- /* Avoid taking write faults for known dirty pages */
- if (dirty_accountable && pte_dirty(ptent) &&
- (pte_soft_dirty(ptent) ||
- !(vma->vm_flags & VM_SOFTDIRTY))) {
+ if (may_avoid_write_fault(ptent, vma, cp_flags))
ptent = pte_mkwrite(ptent);
- }
ptep_modify_prot_commit(vma, addr, pte, oldpte, ptent);
pages++;
} else if (is_swap_pte(oldpte)) {
@@ -454,7 +494,7 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
*pprev = vma_merge(mm, *pprev, start, end, newflags,
vma->anon_vma, vma->vm_file, pgoff, vma_policy(vma),
- vma->vm_userfaultfd_ctx);
+ vma->vm_userfaultfd_ctx, vma_get_anon_name(vma));
if (*pprev) {
vma = *pprev;
VM_WARN_ON((vma->vm_flags ^ newflags) & ~VM_SOFTDIRTY);
@@ -480,12 +520,14 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev,
* vm_flags and vm_page_prot are protected by the mmap_lock
* held in write mode.
*/
- vma->vm_flags = newflags;
+ vm_write_begin(vma);
+ WRITE_ONCE(vma->vm_flags, newflags);
dirty_accountable = vma_wants_writenotify(vma, vma->vm_page_prot);
vma_set_page_prot(vma);
change_protection(vma, start, end, vma->vm_page_prot,
dirty_accountable ? MM_CP_DIRTY_ACCT : 0);
+ vm_write_end(vma);
/*
* Private VM_LOCKED VMA becoming writable: trigger COW to avoid major
diff --git a/mm/mremap.c b/mm/mremap.c
index 138abba..c859b11 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -30,12 +30,11 @@
#include "internal.h"
-static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
+static pud_t *get_old_pud(struct mm_struct *mm, unsigned long addr)
{
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
- pmd_t *pmd;
pgd = pgd_offset(mm, addr);
if (pgd_none_or_clear_bad(pgd))
@@ -49,6 +48,18 @@ static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
if (pud_none_or_clear_bad(pud))
return NULL;
+ return pud;
+}
+
+static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
+{
+ pud_t *pud;
+ pmd_t *pmd;
+
+ pud = get_old_pud(mm, addr);
+ if (!pud)
+ return NULL;
+
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd))
return NULL;
@@ -56,19 +67,27 @@ static pmd_t *get_old_pmd(struct mm_struct *mm, unsigned long addr)
return pmd;
}
-static pmd_t *alloc_new_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
+static pud_t *alloc_new_pud(struct mm_struct *mm, struct vm_area_struct *vma,
unsigned long addr)
{
pgd_t *pgd;
p4d_t *p4d;
- pud_t *pud;
- pmd_t *pmd;
pgd = pgd_offset(mm, addr);
p4d = p4d_alloc(mm, pgd, addr);
if (!p4d)
return NULL;
- pud = pud_alloc(mm, p4d, addr);
+
+ return pud_alloc(mm, p4d, addr);
+}
+
+static pmd_t *alloc_new_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long addr)
+{
+ pud_t *pud;
+ pmd_t *pmd;
+
+ pud = alloc_new_pud(mm, vma, addr);
if (!pud)
return NULL;
@@ -249,14 +268,151 @@ static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr,
return true;
}
+#else
+static inline bool move_normal_pmd(struct vm_area_struct *vma,
+ unsigned long old_addr, unsigned long new_addr, pmd_t *old_pmd,
+ pmd_t *new_pmd)
+{
+ return false;
+}
#endif
+#ifdef CONFIG_HAVE_MOVE_PUD
+static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr,
+ unsigned long new_addr, pud_t *old_pud, pud_t *new_pud)
+{
+ spinlock_t *old_ptl, *new_ptl;
+ struct mm_struct *mm = vma->vm_mm;
+ pud_t pud;
+
+ /*
+ * The destination pud shouldn't be established, free_pgtables()
+ * should have released it.
+ */
+ if (WARN_ON_ONCE(!pud_none(*new_pud)))
+ return false;
+
+ /*
+ * We don't have to worry about the ordering of src and dst
+ * ptlocks because exclusive mmap_lock prevents deadlock.
+ */
+ old_ptl = pud_lock(vma->vm_mm, old_pud);
+ new_ptl = pud_lockptr(mm, new_pud);
+ if (new_ptl != old_ptl)
+ spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
+
+ /* Clear the pud */
+ pud = *old_pud;
+ pud_clear(old_pud);
+
+ VM_BUG_ON(!pud_none(*new_pud));
+
+ /* Set the new pud */
+ set_pud_at(mm, new_addr, new_pud, pud);
+ flush_tlb_range(vma, old_addr, old_addr + PUD_SIZE);
+ if (new_ptl != old_ptl)
+ spin_unlock(new_ptl);
+ spin_unlock(old_ptl);
+
+ return true;
+}
+#else
+static inline bool move_normal_pud(struct vm_area_struct *vma,
+ unsigned long old_addr, unsigned long new_addr, pud_t *old_pud,
+ pud_t *new_pud)
+{
+ return false;
+}
+#endif
+
+enum pgt_entry {
+ NORMAL_PMD,
+ HPAGE_PMD,
+ NORMAL_PUD,
+};
+
+/*
+ * Returns an extent of the corresponding size for the pgt_entry specified if
+ * valid. Else returns a smaller extent bounded by the end of the source and
+ * destination pgt_entry.
+ */
+static __always_inline unsigned long get_extent(enum pgt_entry entry,
+ unsigned long old_addr, unsigned long old_end,
+ unsigned long new_addr)
+{
+ unsigned long next, extent, mask, size;
+
+ switch (entry) {
+ case HPAGE_PMD:
+ case NORMAL_PMD:
+ mask = PMD_MASK;
+ size = PMD_SIZE;
+ break;
+ case NORMAL_PUD:
+ mask = PUD_MASK;
+ size = PUD_SIZE;
+ break;
+ default:
+ BUILD_BUG();
+ break;
+ }
+
+ next = (old_addr + size) & mask;
+ /* even if next overflowed, extent below will be ok */
+ extent = next - old_addr;
+ if (extent > old_end - old_addr)
+ extent = old_end - old_addr;
+ next = (new_addr + size) & mask;
+ if (extent > next - new_addr)
+ extent = next - new_addr;
+ return extent;
+}
+
+/*
+ * Attempts to speedup the move by moving entry at the level corresponding to
+ * pgt_entry. Returns true if the move was successful, else false.
+ */
+static bool move_pgt_entry(enum pgt_entry entry, struct vm_area_struct *vma,
+ unsigned long old_addr, unsigned long new_addr,
+ void *old_entry, void *new_entry, bool need_rmap_locks)
+{
+ bool moved = false;
+
+ /* See comment in move_ptes() */
+ if (need_rmap_locks)
+ take_rmap_locks(vma);
+
+ switch (entry) {
+ case NORMAL_PMD:
+ moved = move_normal_pmd(vma, old_addr, new_addr, old_entry,
+ new_entry);
+ break;
+ case NORMAL_PUD:
+ moved = move_normal_pud(vma, old_addr, new_addr, old_entry,
+ new_entry);
+ break;
+ case HPAGE_PMD:
+ moved = IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
+ move_huge_pmd(vma, old_addr, new_addr, old_entry,
+ new_entry);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ if (need_rmap_locks)
+ drop_rmap_locks(vma);
+
+ return moved;
+}
+
unsigned long move_page_tables(struct vm_area_struct *vma,
unsigned long old_addr, struct vm_area_struct *new_vma,
unsigned long new_addr, unsigned long len,
bool need_rmap_locks)
{
- unsigned long extent, next, old_end;
+ unsigned long extent, old_end;
struct mmu_notifier_range range;
pmd_t *old_pmd, *new_pmd;
@@ -269,53 +425,50 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
for (; old_addr < old_end; old_addr += extent, new_addr += extent) {
cond_resched();
- next = (old_addr + PMD_SIZE) & PMD_MASK;
- /* even if next overflowed, extent below will be ok */
- extent = next - old_addr;
- if (extent > old_end - old_addr)
- extent = old_end - old_addr;
- next = (new_addr + PMD_SIZE) & PMD_MASK;
- if (extent > next - new_addr)
- extent = next - new_addr;
+ /*
+ * If extent is PUD-sized try to speed up the move by moving at the
+ * PUD level if possible.
+ */
+ extent = get_extent(NORMAL_PUD, old_addr, old_end, new_addr);
+ if (IS_ENABLED(CONFIG_HAVE_MOVE_PUD) && extent == PUD_SIZE) {
+ pud_t *old_pud, *new_pud;
+
+ old_pud = get_old_pud(vma->vm_mm, old_addr);
+ if (!old_pud)
+ continue;
+ new_pud = alloc_new_pud(vma->vm_mm, vma, new_addr);
+ if (!new_pud)
+ break;
+ if (move_pgt_entry(NORMAL_PUD, vma, old_addr, new_addr,
+ old_pud, new_pud, true))
+ continue;
+ }
+
+ extent = get_extent(NORMAL_PMD, old_addr, old_end, new_addr);
old_pmd = get_old_pmd(vma->vm_mm, old_addr);
if (!old_pmd)
continue;
new_pmd = alloc_new_pmd(vma->vm_mm, vma, new_addr);
if (!new_pmd)
break;
- if (is_swap_pmd(*old_pmd) || pmd_trans_huge(*old_pmd) || pmd_devmap(*old_pmd)) {
- if (extent == HPAGE_PMD_SIZE) {
- bool moved;
- /* See comment in move_ptes() */
- if (need_rmap_locks)
- take_rmap_locks(vma);
- moved = move_huge_pmd(vma, old_addr, new_addr,
- old_pmd, new_pmd);
- if (need_rmap_locks)
- drop_rmap_locks(vma);
- if (moved)
- continue;
- }
+ if (is_swap_pmd(*old_pmd) || pmd_trans_huge(*old_pmd) ||
+ pmd_devmap(*old_pmd)) {
+ if (extent == HPAGE_PMD_SIZE &&
+ move_pgt_entry(HPAGE_PMD, vma, old_addr, new_addr,
+ old_pmd, new_pmd, need_rmap_locks))
+ continue;
split_huge_pmd(vma, old_pmd, old_addr);
if (pmd_trans_unstable(old_pmd))
continue;
- } else if (extent == PMD_SIZE) {
-#ifdef CONFIG_HAVE_MOVE_PMD
+ } else if (IS_ENABLED(CONFIG_HAVE_MOVE_PMD) &&
+ extent == PMD_SIZE) {
/*
* If the extent is PMD-sized, try to speed the move by
* moving at the PMD level if possible.
*/
- bool moved;
-
- if (need_rmap_locks)
- take_rmap_locks(vma);
- moved = move_normal_pmd(vma, old_addr, new_addr,
- old_pmd, new_pmd);
- if (need_rmap_locks)
- drop_rmap_locks(vma);
- if (moved)
+ if (move_pgt_entry(NORMAL_PMD, vma, old_addr, new_addr,
+ old_pmd, new_pmd, true))
continue;
-#endif
}
if (pte_alloc(new_vma->vm_mm, new_pmd))
@@ -371,6 +524,14 @@ static unsigned long move_vma(struct vm_area_struct *vma,
if (!new_vma)
return -ENOMEM;
+ /* new_vma is returned protected by copy_vma, to prevent speculative
+ * page fault to be done in the destination area before we move the pte.
+ * Now, we must also protect the source VMA since we don't want pages
+ * to be mapped in our back while we are copying the PTEs.
+ */
+ if (vma != new_vma)
+ vm_write_begin(vma);
+
moved_len = move_page_tables(vma, old_addr, new_vma, new_addr, old_len,
need_rmap_locks);
if (moved_len < old_len) {
@@ -387,6 +548,8 @@ static unsigned long move_vma(struct vm_area_struct *vma,
*/
move_page_tables(new_vma, new_addr, vma, old_addr, moved_len,
true);
+ if (vma != new_vma)
+ vm_write_end(vma);
vma = new_vma;
old_len = new_len;
old_addr = new_addr;
@@ -395,7 +558,10 @@ static unsigned long move_vma(struct vm_area_struct *vma,
mremap_userfaultfd_prep(new_vma, uf);
arch_remap(mm, old_addr, old_addr + old_len,
new_addr, new_addr + new_len);
+ if (vma != new_vma)
+ vm_write_end(vma);
}
+ vm_write_end(new_vma);
/* Conceal VM_ACCOUNT so old reservation is not undone */
if (vm_flags & VM_ACCOUNT) {
@@ -495,8 +661,8 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr,
return ERR_PTR(-EINVAL);
}
- if (flags & MREMAP_DONTUNMAP && (!vma_is_anonymous(vma) ||
- vma->vm_flags & VM_SHARED))
+ if ((flags & MREMAP_DONTUNMAP) &&
+ (vma->vm_flags & (VM_DONTEXPAND | VM_PFNMAP)))
return ERR_PTR(-EINVAL);
if (is_vm_hugetlb_page(vma))
diff --git a/mm/nommu.c b/mm/nommu.c
index 0faf39b..f8f7f0e 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1668,13 +1668,22 @@ vm_fault_t filemap_fault(struct vm_fault *vmf)
}
EXPORT_SYMBOL(filemap_fault);
-void filemap_map_pages(struct vm_fault *vmf,
+vm_fault_t filemap_map_pages(struct vm_fault *vmf,
pgoff_t start_pgoff, pgoff_t end_pgoff)
{
BUG();
+ return 0;
}
EXPORT_SYMBOL(filemap_map_pages);
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+bool filemap_allow_speculation(void)
+{
+ BUG();
+ return false;
+}
+#endif
+
int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
unsigned long addr, void *buf, int len, unsigned int gup_flags)
{
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 419a814..482224d 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -51,6 +51,9 @@
#define CREATE_TRACE_POINTS
#include <trace/events/oom.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
+
int sysctl_panic_on_oom;
int sysctl_oom_kill_allocating_task;
int sysctl_oom_dump_tasks = 1;
@@ -339,7 +342,24 @@ static int oom_evaluate_task(struct task_struct *task, void *arg)
}
points = oom_badness(task, oc->totalpages);
- if (points == LONG_MIN || points < oc->chosen_points)
+
+ if (points == LONG_MIN)
+ goto next;
+
+ /*
+ * Check to see if this is the worst task with a non-negative
+ * ADJ score seen so far
+ */
+ if (task->signal->oom_score_adj >= 0 &&
+ points > oc->chosen_non_negative_adj_points) {
+ if (oc->chosen_non_negative_adj)
+ put_task_struct(oc->chosen_non_negative_adj);
+ get_task_struct(task);
+ oc->chosen_non_negative_adj = task;
+ oc->chosen_non_negative_adj_points = points;
+ }
+
+ if (points < oc->chosen_points)
goto next;
select:
@@ -351,8 +371,11 @@ static int oom_evaluate_task(struct task_struct *task, void *arg)
next:
return 0;
abort:
+ if (oc->chosen_non_negative_adj)
+ put_task_struct(oc->chosen_non_negative_adj);
if (oc->chosen)
put_task_struct(oc->chosen);
+ oc->chosen_non_negative_adj = NULL;
oc->chosen = (void *)-1UL;
return 1;
}
@@ -364,6 +387,8 @@ static int oom_evaluate_task(struct task_struct *task, void *arg)
static void select_bad_process(struct oom_control *oc)
{
oc->chosen_points = LONG_MIN;
+ oc->chosen_non_negative_adj_points = LONG_MIN;
+ oc->chosen_non_negative_adj = NULL;
if (is_memcg_oom(oc))
mem_cgroup_scan_tasks(oc->memcg, oom_evaluate_task, oc);
@@ -376,6 +401,20 @@ static void select_bad_process(struct oom_control *oc)
break;
rcu_read_unlock();
}
+
+ if (oc->chosen_non_negative_adj) {
+ /*
+ * If oc->chosen has a negative ADJ, and we found a task with
+ * a postive ADJ to kill, kill the task with the positive ADJ
+ * instead.
+ */
+ if (oc->chosen && oc->chosen->signal->oom_score_adj < 0) {
+ put_task_struct(oc->chosen);
+ oc->chosen = oc->chosen_non_negative_adj;
+ oc->chosen_points = oc->chosen_non_negative_adj_points;
+ } else
+ put_task_struct(oc->chosen_non_negative_adj);
+ }
}
static int dump_task(struct task_struct *p, void *arg)
@@ -686,6 +725,20 @@ static inline void wake_oom_reaper(struct task_struct *tsk)
#endif /* CONFIG_MMU */
/**
+ * tsk->mm has to be non NULL and caller has to guarantee it is stable (either
+ * under task_lock or operate on the current).
+ */
+static void __mark_oom_victim(struct task_struct *tsk)
+{
+ struct mm_struct *mm = tsk->mm;
+
+ if (!cmpxchg(&tsk->signal->oom_mm, NULL, mm)) {
+ mmgrab(tsk->signal->oom_mm);
+ set_bit(MMF_OOM_VICTIM, &mm->flags);
+ }
+}
+
+/**
* mark_oom_victim - mark the given task as OOM victim
* @tsk: task to mark
*
@@ -697,18 +750,13 @@ static inline void wake_oom_reaper(struct task_struct *tsk)
*/
static void mark_oom_victim(struct task_struct *tsk)
{
- struct mm_struct *mm = tsk->mm;
-
WARN_ON(oom_killer_disabled);
/* OOM killer might race with memcg OOM */
if (test_and_set_tsk_thread_flag(tsk, TIF_MEMDIE))
return;
/* oom_mm is bound to the signal struct life time. */
- if (!cmpxchg(&tsk->signal->oom_mm, NULL, mm)) {
- mmgrab(tsk->signal->oom_mm);
- set_bit(MMF_OOM_VICTIM, &mm->flags);
- }
+ __mark_oom_victim(tsk);
/*
* Make sure that the task is woken up from uninterruptible sleep
@@ -1101,6 +1149,12 @@ bool out_of_memory(struct oom_control *oc)
select_bad_process(oc);
/* Found nothing?!?! */
if (!oc->chosen) {
+ int ret = false;
+
+ trace_android_vh_oom_check_panic(oc, &ret);
+ if (ret)
+ return true;
+
dump_header(oc, NULL);
pr_warn("Out of memory and no killable processes...\n");
/*
@@ -1137,3 +1191,18 @@ void pagefault_out_of_memory(void)
if (__ratelimit(&pfoom_rs))
pr_warn("Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF\n");
}
+
+void add_to_oom_reaper(struct task_struct *p)
+{
+ p = find_lock_task_mm(p);
+ if (!p)
+ return;
+
+ get_task_struct(p);
+ if (task_will_free_mem(p)) {
+ __mark_oom_victim(p);
+ wake_oom_reaper(p);
+ }
+ task_unlock(p);
+ put_task_struct(p);
+}
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index eb34d20..3c77e6f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -42,6 +42,9 @@
#include "internal.h"
+#undef CREATE_TRACE_POINT
+#include <trace/hooks/mm.h>
+
/*
* Sleep at most 200ms at a time in balance_dirty_pages().
*/
@@ -1625,6 +1628,9 @@ static void balance_dirty_pages(struct bdi_writeback *wb,
}
}
+ trace_android_vh_mm_dirty_limits(gdtc, strictlimit, dirty, bg_thresh,
+ nr_reclaimable, pages_dirtied);
+
/*
* Throttle it only when the background writeback cannot
* catch-up. This avoids (excessively) small writeouts
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e8e0f1c..e18561a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -62,6 +62,7 @@
#include <linux/sched/rt.h>
#include <linux/sched/mm.h>
#include <linux/page_owner.h>
+#include <linux/page_pinner.h>
#include <linux/kthread.h>
#include <linux/memcontrol.h>
#include <linux/ftrace.h>
@@ -70,6 +71,7 @@
#include <linux/psi.h>
#include <linux/padata.h>
#include <linux/khugepaged.h>
+#include <trace/hooks/mm.h>
#include <asm/sections.h>
#include <asm/tlbflush.h>
@@ -106,6 +108,17 @@ typedef int __bitwise fpi_t;
*/
#define FPI_TO_TAIL ((__force fpi_t)BIT(1))
+/*
+ * Don't poison memory with KASAN (only for the tag-based modes).
+ * During boot, all non-reserved memblock memory is exposed to page_alloc.
+ * Poisoning all that memory lengthens boot time, especially on systems with
+ * large amount of RAM. This flag is used to skip that poisoning.
+ * This is only done for the tag-based KASAN modes, as those are able to
+ * detect memory corruptions with the memory tags assigned by default.
+ * All memory allocated normally after boot gets poisoned as usual.
+ */
+#define FPI_SKIP_KASAN_POISON ((__force fpi_t)BIT(2))
+
/* prevent >1 _updater_ of zone percpu pageset ->high and ->batch fields */
static DEFINE_MUTEX(pcp_batch_high_lock);
#define MIN_PERCPU_PAGELIST_FRACTION (8)
@@ -165,53 +178,26 @@ unsigned long totalcma_pages __read_mostly;
int percpu_pagelist_fraction;
gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
-#ifdef CONFIG_INIT_ON_ALLOC_DEFAULT_ON
-DEFINE_STATIC_KEY_TRUE(init_on_alloc);
-#else
DEFINE_STATIC_KEY_FALSE(init_on_alloc);
-#endif
EXPORT_SYMBOL(init_on_alloc);
-#ifdef CONFIG_INIT_ON_FREE_DEFAULT_ON
-DEFINE_STATIC_KEY_TRUE(init_on_free);
-#else
DEFINE_STATIC_KEY_FALSE(init_on_free);
-#endif
EXPORT_SYMBOL(init_on_free);
+static bool _init_on_alloc_enabled_early __read_mostly
+ = IS_ENABLED(CONFIG_INIT_ON_ALLOC_DEFAULT_ON);
static int __init early_init_on_alloc(char *buf)
{
- int ret;
- bool bool_result;
- ret = kstrtobool(buf, &bool_result);
- if (ret)
- return ret;
- if (bool_result && page_poisoning_enabled())
- pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, will take precedence over init_on_alloc\n");
- if (bool_result)
- static_branch_enable(&init_on_alloc);
- else
- static_branch_disable(&init_on_alloc);
- return 0;
+ return kstrtobool(buf, &_init_on_alloc_enabled_early);
}
early_param("init_on_alloc", early_init_on_alloc);
+static bool _init_on_free_enabled_early __read_mostly
+ = IS_ENABLED(CONFIG_INIT_ON_FREE_DEFAULT_ON);
static int __init early_init_on_free(char *buf)
{
- int ret;
- bool bool_result;
-
- ret = kstrtobool(buf, &bool_result);
- if (ret)
- return ret;
- if (bool_result && page_poisoning_enabled())
- pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, will take precedence over init_on_free\n");
- if (bool_result)
- static_branch_enable(&init_on_free);
- else
- static_branch_disable(&init_on_free);
- return 0;
+ return kstrtobool(buf, &_init_on_free_enabled_early);
}
early_param("init_on_free", early_init_on_free);
@@ -324,10 +310,10 @@ const char * const migratetype_names[MIGRATE_TYPES] = {
"Unmovable",
"Movable",
"Reclaimable",
- "HighAtomic",
#ifdef CONFIG_CMA
"CMA",
#endif
+ "HighAtomic",
#ifdef CONFIG_MEMORY_ISOLATION
"Isolate",
#endif
@@ -344,6 +330,11 @@ compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS] = {
#endif
};
+/*
+ * Try to keep at least this much lowmem free. Do not allow normal
+ * allocations below this point, only high priority ones. Automatically
+ * tuned according to the amount of memory in the system.
+ */
int min_free_kbytes = 1024;
int user_min_free_kbytes = -1;
#ifdef CONFIG_DISCONTIGMEM
@@ -362,6 +353,13 @@ int watermark_boost_factor __read_mostly = 15000;
#endif
int watermark_scale_factor = 10;
+/*
+ * Extra memory for the system to try freeing. Used to temporarily
+ * free memory, to make space for new workloads. Anyone can allocate
+ * down to the min watermarks controlled by min_free_kbytes above.
+ */
+int extra_free_kbytes = 0;
+
static unsigned long nr_kernel_pages __initdata;
static unsigned long nr_all_pages __initdata;
static unsigned long dma_reserve __initdata;
@@ -397,7 +395,7 @@ int page_group_by_mobility_disabled __read_mostly;
static DEFINE_STATIC_KEY_TRUE(deferred_pages);
/*
- * Calling kasan_free_pages() only after deferred memory initialization
+ * Calling kasan_poison_pages() only after deferred memory initialization
* has completed. Poisoning pages during deferred memory init will greatly
* lengthen the process and cause problem in large memory systems as the
* deferred pages initialization is done with interrupt disabled.
@@ -409,10 +407,12 @@ static DEFINE_STATIC_KEY_TRUE(deferred_pages);
* on-demand allocation and then freed again before the deferred pages
* initialization is done, but this is not likely to happen.
*/
-static inline void kasan_free_nondeferred_pages(struct page *page, int order)
+static inline bool should_skip_kasan_poison(struct page *page, fpi_t fpi_flags)
{
- if (!static_branch_unlikely(&deferred_pages))
- kasan_free_pages(page, order);
+ return static_branch_unlikely(&deferred_pages) ||
+ (!IS_ENABLED(CONFIG_KASAN_GENERIC) &&
+ (fpi_flags & FPI_SKIP_KASAN_POISON)) ||
+ PageSkipKASanPoison(page);
}
/* Returns true if the struct page for the pfn is uninitialised */
@@ -463,7 +463,12 @@ defer_init(int nid, unsigned long pfn, unsigned long end_pfn)
return false;
}
#else
-#define kasan_free_nondeferred_pages(p, o) kasan_free_pages(p, o)
+static inline bool should_skip_kasan_poison(struct page *page, fpi_t fpi_flags)
+{
+ return (!IS_ENABLED(CONFIG_KASAN_GENERIC) &&
+ (fpi_flags & FPI_SKIP_KASAN_POISON)) ||
+ PageSkipKASanPoison(page);
+}
static inline bool early_page_uninitialised(unsigned long pfn)
{
@@ -528,6 +533,24 @@ unsigned long get_pfnblock_flags_mask(struct page *page, unsigned long pfn,
{
return __get_pfnblock_flags_mask(page, pfn, mask);
}
+EXPORT_SYMBOL_GPL(get_pfnblock_flags_mask);
+
+int isolate_anon_lru_page(struct page *page)
+{
+ int ret;
+
+ if (!PageLRU(page) || !PageAnon(page))
+ return -EINVAL;
+
+ if (!get_page_unless_zero(page))
+ return -EINVAL;
+
+ ret = isolate_lru_page(page);
+ put_page(page);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(isolate_anon_lru_page);
static __always_inline int get_pfnblock_migratetype(struct page *page, unsigned long pfn)
{
@@ -730,19 +753,6 @@ static int __init early_debug_pagealloc(char *buf)
}
early_param("debug_pagealloc", early_debug_pagealloc);
-void init_debug_pagealloc(void)
-{
- if (!debug_pagealloc_enabled())
- return;
-
- static_branch_enable(&_debug_pagealloc_enabled);
-
- if (!debug_guardpage_minorder())
- return;
-
- static_branch_enable(&_debug_guardpage_enabled);
-}
-
static int __init debug_guardpage_minorder_setup(char *buf)
{
unsigned long res;
@@ -794,6 +804,57 @@ static inline void clear_page_guard(struct zone *zone, struct page *page,
unsigned int order, int migratetype) {}
#endif
+/*
+ * Enable static keys related to various memory debugging and hardening options.
+ * Some override others, and depend on early params that are evaluated in the
+ * order of appearance. So we need to first gather the full picture of what was
+ * enabled, and then make decisions.
+ */
+void init_mem_debugging_and_hardening(void)
+{
+ bool page_poisoning_requested = false;
+
+#ifdef CONFIG_PAGE_POISONING
+ /*
+ * Page poisoning is debug page alloc for some arches. If
+ * either of those options are enabled, enable poisoning.
+ */
+ if (page_poisoning_enabled() ||
+ (!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
+ debug_pagealloc_enabled())) {
+ static_branch_enable(&_page_poisoning_enabled);
+ page_poisoning_requested = true;
+ }
+#endif
+
+ if (_init_on_alloc_enabled_early) {
+ if (page_poisoning_requested)
+ pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, "
+ "will take precedence over init_on_alloc\n");
+ else
+ static_branch_enable(&init_on_alloc);
+ }
+ if (_init_on_free_enabled_early) {
+ if (page_poisoning_requested)
+ pr_info("mem auto-init: CONFIG_PAGE_POISONING is on, "
+ "will take precedence over init_on_free\n");
+ else
+ static_branch_enable(&init_on_free);
+ }
+
+#ifdef CONFIG_DEBUG_PAGEALLOC
+ if (!debug_pagealloc_enabled())
+ return;
+
+ static_branch_enable(&_debug_pagealloc_enabled);
+
+ if (!debug_guardpage_minorder())
+ return;
+
+ static_branch_enable(&_debug_guardpage_enabled);
+#endif
+}
+
static inline void set_buddy_order(struct page *page, unsigned int order)
{
set_page_private(page, order);
@@ -1191,21 +1252,32 @@ static int free_tail_pages_check(struct page *head_page, struct page *page)
return ret;
}
-static void kernel_init_free_pages(struct page *page, int numpages)
+static void kernel_init_free_pages(struct page *page, int numpages, bool zero_tags)
{
int i;
+ if (zero_tags) {
+ for (i = 0; i < numpages; i++)
+ tag_clear_highpage(page + i);
+ return;
+ }
+
/* s390's use of memset() could override KASAN redzones. */
kasan_disable_current();
- for (i = 0; i < numpages; i++)
+ for (i = 0; i < numpages; i++) {
+ u8 tag = page_kasan_tag(page + i);
+ page_kasan_tag_reset(page + i);
clear_highpage(page + i);
+ page_kasan_tag_set(page + i, tag);
+ }
kasan_enable_current();
}
static __always_inline bool free_pages_prepare(struct page *page,
- unsigned int order, bool check_free)
+ unsigned int order, bool check_free, fpi_t fpi_flags)
{
int bad = 0;
+ bool skip_kasan_poison = should_skip_kasan_poison(page, fpi_flags);
VM_BUG_ON_PAGE(PageTail(page), page);
@@ -1219,6 +1291,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
if (memcg_kmem_enabled() && PageKmemcg(page))
__memcg_kmem_uncharge_page(page, order);
reset_page_owner(page, order);
+ free_page_pinner(page, order);
return false;
}
@@ -1256,6 +1329,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
page_cpupid_reset_last(page);
page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP;
reset_page_owner(page, order);
+ free_page_pinner(page, order);
if (!PageHighMem(page)) {
debug_check_no_locks_freed(page_address(page),
@@ -1263,10 +1337,29 @@ static __always_inline bool free_pages_prepare(struct page *page,
debug_check_no_obj_freed(page_address(page),
PAGE_SIZE << order);
}
- if (want_init_on_free())
- kernel_init_free_pages(page, 1 << order);
- kernel_poison_pages(page, 1 << order, 0);
+ kernel_poison_pages(page, 1 << order);
+
+ /*
+ * As memory initialization might be integrated into KASAN,
+ * kasan_free_pages and kernel_init_free_pages must be
+ * kept together to avoid discrepancies in behavior.
+ *
+ * With hardware tag-based KASAN, memory tags must be set before the
+ * page becomes unavailable via debug_pagealloc or arch_free_page.
+ */
+ if (kasan_has_integrated_init()) {
+ if (!skip_kasan_poison)
+ kasan_free_pages(page, order);
+ } else {
+ bool init = want_init_on_free();
+
+ if (init)
+ kernel_init_free_pages(page, 1 << order, false);
+ if (!skip_kasan_poison)
+ kasan_poison_pages(page, order, init);
+ }
+
/*
* arch_free_page() can make the page's contents inaccessible. s390
* does this. So nothing which can access the page's contents should
@@ -1274,10 +1367,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
*/
arch_free_page(page, order);
- if (debug_pagealloc_enabled_static())
- kernel_map_pages(page, 1 << order, 0);
-
- kasan_free_nondeferred_pages(page, order);
+ debug_pagealloc_unmap_pages(page, 1 << order);
return true;
}
@@ -1290,7 +1380,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
*/
static bool free_pcp_prepare(struct page *page)
{
- return free_pages_prepare(page, 0, true);
+ return free_pages_prepare(page, 0, true, FPI_NONE);
}
static bool bulkfree_pcp_prepare(struct page *page)
@@ -1310,9 +1400,9 @@ static bool bulkfree_pcp_prepare(struct page *page)
static bool free_pcp_prepare(struct page *page)
{
if (debug_pagealloc_enabled_static())
- return free_pages_prepare(page, 0, true);
+ return free_pages_prepare(page, 0, true, FPI_NONE);
else
- return free_pages_prepare(page, 0, false);
+ return free_pages_prepare(page, 0, false, FPI_NONE);
}
static bool bulkfree_pcp_prepare(struct page *page)
@@ -1518,7 +1608,7 @@ static void __free_pages_ok(struct page *page, unsigned int order,
int migratetype;
unsigned long pfn = page_to_pfn(page);
- if (!free_pages_prepare(page, order, true))
+ if (!free_pages_prepare(page, order, true, fpi_flags))
return;
migratetype = get_pfnblock_migratetype(page, pfn);
@@ -1555,7 +1645,7 @@ void __free_pages_core(struct page *page, unsigned int order)
* Bypass PCP and place fresh pages right to the tail, primarily
* relevant for memory onlining.
*/
- __free_pages_ok(page, order, FPI_TO_TAIL);
+ __free_pages_ok(page, order, FPI_TO_TAIL | FPI_SKIP_KASAN_POISON);
}
#ifdef CONFIG_NEED_MULTIPLE_NODES
@@ -2143,6 +2233,7 @@ void __init init_cma_reserved_pageblock(struct page *page)
}
adjust_managed_page_count(page, pageblock_nr_pages);
+ page_zone(page)->cma_pages += pageblock_nr_pages;
}
#endif
@@ -2209,12 +2300,6 @@ static inline int check_new_page(struct page *page)
return 1;
}
-static inline bool free_pages_prezeroed(void)
-{
- return (IS_ENABLED(CONFIG_PAGE_POISONING_ZERO) &&
- page_poisoning_enabled()) || want_init_on_free();
-}
-
#ifdef CONFIG_DEBUG_VM
/*
* With DEBUG_VM enabled, order-0 pages are checked for expected state when
@@ -2272,10 +2357,31 @@ inline void post_alloc_hook(struct page *page, unsigned int order,
set_page_refcounted(page);
arch_alloc_page(page, order);
- if (debug_pagealloc_enabled_static())
- kernel_map_pages(page, 1 << order, 1);
- kasan_alloc_pages(page, order);
- kernel_poison_pages(page, 1 << order, 1);
+ debug_pagealloc_map_pages(page, 1 << order);
+
+ /*
+ * Page unpoisoning must happen before memory initialization.
+ * Otherwise, the poison pattern will be overwritten for __GFP_ZERO
+ * allocations and the page unpoisoning code will complain.
+ */
+ kernel_unpoison_pages(page, 1 << order);
+
+ /*
+ * As memory initialization might be integrated into KASAN,
+ * kasan_alloc_pages and kernel_init_free_pages must be
+ * kept together to avoid discrepancies in behavior.
+ */
+ if (kasan_has_integrated_init()) {
+ kasan_alloc_pages(page, order, gfp_flags);
+ } else {
+ bool init = !want_init_on_free() && want_init_on_alloc(gfp_flags);
+
+ kasan_unpoison_pages(page, order, init);
+ if (init)
+ kernel_init_free_pages(page, 1 << order,
+ gfp_flags & __GFP_ZEROTAGS);
+ }
+
set_page_owner(page, order, gfp_flags);
}
@@ -2284,9 +2390,6 @@ static void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags
{
post_alloc_hook(page, order, gfp_flags);
- if (!free_pages_prezeroed() && want_init_on_alloc(gfp_flags))
- kernel_init_free_pages(page, 1 << order);
-
if (order && (gfp_flags & __GFP_COMP))
prep_compound_page(page, order);
@@ -2846,36 +2949,35 @@ __rmqueue(struct zone *zone, unsigned int order, int migratetype,
{
struct page *page;
- if (IS_ENABLED(CONFIG_CMA)) {
- /*
- * Balance movable allocations between regular and CMA areas by
- * allocating from CMA when over half of the zone's free memory
- * is in the CMA area.
- */
- if (alloc_flags & ALLOC_CMA &&
- zone_page_state(zone, NR_FREE_CMA_PAGES) >
- zone_page_state(zone, NR_FREE_PAGES) / 2) {
- page = __rmqueue_cma_fallback(zone, order);
- if (page)
- goto out;
- }
- }
retry:
page = __rmqueue_smallest(zone, order, migratetype);
- if (unlikely(!page)) {
- if (alloc_flags & ALLOC_CMA)
- page = __rmqueue_cma_fallback(zone, order);
- if (!page && __rmqueue_fallback(zone, order, migratetype,
- alloc_flags))
- goto retry;
- }
-out:
- if (page)
- trace_mm_page_alloc_zone_locked(page, order, migratetype);
+ if (unlikely(!page) && __rmqueue_fallback(zone, order, migratetype,
+ alloc_flags))
+ goto retry;
+
+ trace_mm_page_alloc_zone_locked(page, order, migratetype);
return page;
}
+#ifdef CONFIG_CMA
+static struct page *__rmqueue_cma(struct zone *zone, unsigned int order,
+ int migratetype,
+ unsigned int alloc_flags)
+{
+ struct page *page = __rmqueue_cma_fallback(zone, order);
+ trace_mm_page_alloc_zone_locked(page, order, MIGRATE_CMA);
+ return page;
+}
+#else
+static inline struct page *__rmqueue_cma(struct zone *zone, unsigned int order,
+ int migratetype,
+ unsigned int alloc_flags)
+{
+ return NULL;
+}
+#endif
+
/*
* Obtain a specified number of elements from the buddy allocator, all under
* a single hold of the lock, for efficiency. Add them to the supplied list.
@@ -2889,8 +2991,14 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order,
spin_lock(&zone->lock);
for (i = 0; i < count; ++i) {
- struct page *page = __rmqueue(zone, order, migratetype,
- alloc_flags);
+ struct page *page;
+
+ if (is_migrate_cma(migratetype))
+ page = __rmqueue_cma(zone, order, migratetype,
+ alloc_flags);
+ else
+ page = __rmqueue(zone, order, migratetype, alloc_flags);
+
if (unlikely(page == NULL))
break;
@@ -2925,6 +3033,28 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order,
return alloced;
}
+/*
+ * Return the pcp list that corresponds to the migrate type if that list isn't
+ * empty.
+ * If the list is empty return NULL.
+ */
+static struct list_head *get_populated_pcp_list(struct zone *zone,
+ unsigned int order, struct per_cpu_pages *pcp,
+ int migratetype, unsigned int alloc_flags)
+{
+ struct list_head *list = &pcp->lists[migratetype];
+
+ if (list_empty(list)) {
+ pcp->count += rmqueue_bulk(zone, order,
+ pcp->batch, list,
+ migratetype, alloc_flags);
+
+ if (list_empty(list))
+ list = NULL;
+ }
+ return list;
+}
+
#ifdef CONFIG_NUMA
/*
* Called from the vmstat counter updater to drain pagesets of this
@@ -3376,16 +3506,28 @@ static inline void zone_statistics(struct zone *preferred_zone, struct zone *z)
static struct page *__rmqueue_pcplist(struct zone *zone, int migratetype,
unsigned int alloc_flags,
struct per_cpu_pages *pcp,
- struct list_head *list)
+ gfp_t gfp_flags)
{
- struct page *page;
+ struct page *page = NULL;
+ struct list_head *list = NULL;
do {
- if (list_empty(list)) {
- pcp->count += rmqueue_bulk(zone, 0,
- pcp->batch, list,
+ /* First try to get CMA pages */
+ if (migratetype == MIGRATE_MOVABLE &&
+ alloc_flags & ALLOC_CMA) {
+ list = get_populated_pcp_list(zone, 0, pcp,
+ get_cma_migrate_type(), alloc_flags);
+ }
+
+ if (list == NULL) {
+ /*
+ * Either CMA is not suitable or there are no
+ * free CMA pages.
+ */
+ list = get_populated_pcp_list(zone, 0, pcp,
migratetype, alloc_flags);
- if (unlikely(list_empty(list)))
+ if (unlikely(list == NULL) ||
+ unlikely(list_empty(list)))
return NULL;
}
@@ -3403,14 +3545,13 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone,
int migratetype, unsigned int alloc_flags)
{
struct per_cpu_pages *pcp;
- struct list_head *list;
struct page *page;
unsigned long flags;
local_irq_save(flags);
pcp = &this_cpu_ptr(zone->pageset)->pcp;
- list = &pcp->lists[migratetype];
- page = __rmqueue_pcplist(zone, migratetype, alloc_flags, pcp, list);
+ page = __rmqueue_pcplist(zone, migratetype, alloc_flags, pcp,
+ gfp_flags);
if (page) {
__count_zid_vm_events(PGALLOC, page_zonenum(page), 1);
zone_statistics(preferred_zone, zone);
@@ -3432,16 +3573,9 @@ struct page *rmqueue(struct zone *preferred_zone,
struct page *page;
if (likely(order == 0)) {
- /*
- * MIGRATE_MOVABLE pcplist could have the pages on CMA area and
- * we need to skip it when CMA area isn't allowed.
- */
- if (!IS_ENABLED(CONFIG_CMA) || alloc_flags & ALLOC_CMA ||
- migratetype != MIGRATE_MOVABLE) {
- page = rmqueue_pcplist(preferred_zone, zone, gfp_flags,
- migratetype, alloc_flags);
- goto out;
- }
+ page = rmqueue_pcplist(preferred_zone, zone, gfp_flags,
+ migratetype, alloc_flags);
+ goto out;
}
/*
@@ -3464,8 +3598,15 @@ struct page *rmqueue(struct zone *preferred_zone,
if (page)
trace_mm_page_alloc_zone_locked(page, order, migratetype);
}
- if (!page)
- page = __rmqueue(zone, order, migratetype, alloc_flags);
+ if (!page) {
+ if (migratetype == MIGRATE_MOVABLE &&
+ alloc_flags & ALLOC_CMA)
+ page = __rmqueue_cma(zone, order, migratetype,
+ alloc_flags);
+ if (!page)
+ page = __rmqueue(zone, order, migratetype,
+ alloc_flags);
+ }
} while (page && check_new_pages(page, order));
spin_unlock(&zone->lock);
if (!page)
@@ -3475,6 +3616,8 @@ struct page *rmqueue(struct zone *preferred_zone,
__count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order);
zone_statistics(preferred_zone, zone);
+ trace_android_vh_rmqueue(preferred_zone, zone, order,
+ gfp_flags, alloc_flags, migratetype);
local_irq_restore(flags);
out:
@@ -3643,6 +3786,14 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
continue;
for (mt = 0; mt < MIGRATE_PCPTYPES; mt++) {
+#ifdef CONFIG_CMA
+ /*
+ * Note that this check is needed only
+ * when MIGRATE_CMA < MIGRATE_PCPTYPES.
+ */
+ if (mt == MIGRATE_CMA)
+ continue;
+#endif
if (!free_area_empty(area, mt))
return true;
}
@@ -3665,6 +3816,7 @@ bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
return __zone_watermark_ok(z, order, mark, highest_zoneidx, alloc_flags,
zone_page_state(z, NR_FREE_PAGES));
}
+EXPORT_SYMBOL_GPL(zone_watermark_ok);
static inline bool zone_watermark_fast(struct zone *z, unsigned int order,
unsigned long mark, int highest_zoneidx,
@@ -3717,6 +3869,7 @@ bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
return __zone_watermark_ok(z, order, mark, highest_zoneidx, 0,
free_pages);
}
+EXPORT_SYMBOL_GPL(zone_watermark_ok_safe);
#ifdef CONFIG_NUMA
static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone)
@@ -3778,7 +3931,8 @@ static inline unsigned int current_alloc_flags(gfp_t gfp_mask,
unsigned int pflags = current->flags;
if (!(pflags & PF_MEMALLOC_NOCMA) &&
- gfp_migratetype(gfp_mask) == MIGRATE_MOVABLE)
+ gfp_migratetype(gfp_mask) == MIGRATE_MOVABLE &&
+ gfp_mask & __GFP_CMA)
alloc_flags |= ALLOC_CMA;
#endif
@@ -4624,7 +4778,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
int no_progress_loops;
unsigned int cpuset_mems_cookie;
int reserve_flags;
-
+ unsigned long alloc_start = jiffies;
/*
* We also sanity check to catch abuse of atomic reserves being used by
* callers that are not in atomic context.
@@ -4866,6 +5020,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
warn_alloc(gfp_mask, ac->nodemask,
"page allocation failure: order:%u", order);
got_pg:
+ trace_android_vh_alloc_pages_slowpath(gfp_mask, order, alloc_start);
return page;
}
@@ -7623,6 +7778,11 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char
* alias for the memset().
*/
direct_map_addr = page_address(page);
+ /*
+ * Perform a kasan-unchecked memset() since this memory
+ * has not been initialized.
+ */
+ direct_map_addr = kasan_reset_tag(direct_map_addr);
if ((unsigned int)poison <= 0xFF)
memset(direct_map_addr, poison, PAGE_SIZE);
@@ -7845,6 +8005,7 @@ static void setup_per_zone_lowmem_reserve(void)
static void __setup_per_zone_wmarks(void)
{
unsigned long pages_min = min_free_kbytes >> (PAGE_SHIFT - 10);
+ unsigned long pages_low = extra_free_kbytes >> (PAGE_SHIFT - 10);
unsigned long lowmem_pages = 0;
struct zone *zone;
unsigned long flags;
@@ -7856,11 +8017,13 @@ static void __setup_per_zone_wmarks(void)
}
for_each_zone(zone) {
- u64 tmp;
+ u64 tmp, low;
spin_lock_irqsave(&zone->lock, flags);
tmp = (u64)pages_min * zone_managed_pages(zone);
do_div(tmp, lowmem_pages);
+ low = (u64)pages_low * zone_managed_pages(zone);
+ do_div(low, nr_free_zone_pages(gfp_zone(GFP_HIGHUSER_MOVABLE)));
if (is_highmem(zone)) {
/*
* __GFP_HIGH and PF_MEMALLOC allocations usually don't
@@ -7894,8 +8057,8 @@ static void __setup_per_zone_wmarks(void)
watermark_scale_factor, 10000));
zone->watermark_boost = 0;
- zone->_watermark[WMARK_LOW] = min_wmark_pages(zone) + tmp;
- zone->_watermark[WMARK_HIGH] = min_wmark_pages(zone) + tmp * 2;
+ zone->_watermark[WMARK_LOW] = min_wmark_pages(zone) + low + tmp;
+ zone->_watermark[WMARK_HIGH] = min_wmark_pages(zone) + low + tmp * 2;
spin_unlock_irqrestore(&zone->lock, flags);
}
@@ -7980,7 +8143,7 @@ postcore_initcall(init_per_zone_wmark_min)
/*
* min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so
* that we can call two helper functions whenever min_free_kbytes
- * changes.
+ * or extra_free_kbytes changes.
*/
int min_free_kbytes_sysctl_handler(struct ctl_table *table, int write,
void *buffer, size_t *length, loff_t *ppos)
@@ -8411,27 +8574,64 @@ static unsigned long pfn_max_align_down(unsigned long pfn)
pageblock_nr_pages) - 1);
}
-static unsigned long pfn_max_align_up(unsigned long pfn)
+unsigned long pfn_max_align_up(unsigned long pfn)
{
return ALIGN(pfn, max_t(unsigned long, MAX_ORDER_NR_PAGES,
pageblock_nr_pages));
}
+#if defined(CONFIG_DYNAMIC_DEBUG) || \
+ (defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
+/* Usage: See admin-guide/dynamic-debug-howto.rst */
+static void alloc_contig_dump_pages(struct list_head *page_list)
+{
+ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, "migrate failure");
+
+ if (DYNAMIC_DEBUG_BRANCH(descriptor)) {
+ struct page *page;
+ unsigned long nr_skip = 0;
+ unsigned long nr_pages = 0;
+
+ dump_stack();
+ list_for_each_entry(page, page_list, lru) {
+ nr_pages++;
+ /* The page will be freed by putback_movable_pages soon */
+ if (page_count(page) == 1) {
+ nr_skip++;
+ continue;
+ }
+ dump_page(page, "migration failure");
+ }
+ pr_warn("total dump_pages %lu skipping %lu\n", nr_pages, nr_skip);
+ }
+}
+#else
+static inline void alloc_contig_dump_pages(struct list_head *page_list)
+{
+}
+#endif
+
/* [start, end) must belong to a single zone. */
static int __alloc_contig_migrate_range(struct compact_control *cc,
- unsigned long start, unsigned long end)
+ unsigned long start, unsigned long end,
+ struct acr_info *info)
{
/* This function is based on compact_zone() from compaction.c. */
unsigned int nr_reclaimed;
unsigned long pfn = start;
unsigned int tries = 0;
+ unsigned int max_tries = 5;
int ret = 0;
+ struct page *page;
struct migration_target_control mtc = {
.nid = zone_to_nid(cc->zone),
.gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
};
- migrate_prep();
+ if (cc->alloc_contig && cc->mode == MIGRATE_ASYNC)
+ max_tries = 1;
+
+ lru_cache_disable();
while (pfn < end || !list_empty(&cc->migratepages)) {
if (fatal_signal_pending(current)) {
@@ -8447,20 +8647,39 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
break;
}
tries = 0;
- } else if (++tries == 5) {
+ } else if (++tries == max_tries) {
ret = ret < 0 ? ret : -EBUSY;
break;
}
nr_reclaimed = reclaim_clean_pages_from_list(cc->zone,
&cc->migratepages);
+ info->nr_reclaimed += nr_reclaimed;
cc->nr_migratepages -= nr_reclaimed;
+ list_for_each_entry(page, &cc->migratepages, lru)
+ info->nr_mapped += page_mapcount(page);
+
ret = migrate_pages(&cc->migratepages, alloc_migration_target,
NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE);
+ if (!ret)
+ info->nr_migrated += cc->nr_migratepages;
}
+
+ lru_cache_enable();
if (ret < 0) {
+ if (ret == -EBUSY) {
+ alloc_contig_dump_pages(&cc->migratepages);
+ page_pinner_mark_migration_failed_pages(&cc->migratepages);
+ }
+
+ if (!list_empty(&cc->migratepages)) {
+ page = list_first_entry(&cc->migratepages, struct page , lru);
+ info->failed_pfn = page_to_pfn(page);
+ }
+
putback_movable_pages(&cc->migratepages);
+ info->err |= ACR_ERR_MIGRATE;
return ret;
}
return 0;
@@ -8488,7 +8707,8 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
* need to be freed with free_contig_range().
*/
int alloc_contig_range(unsigned long start, unsigned long end,
- unsigned migratetype, gfp_t gfp_mask)
+ unsigned migratetype, gfp_t gfp_mask,
+ struct acr_info *info)
{
unsigned long outer_start, outer_end;
unsigned int order;
@@ -8498,7 +8718,7 @@ int alloc_contig_range(unsigned long start, unsigned long end,
.nr_migratepages = 0,
.order = -1,
.zone = page_zone(pfn_to_page(start)),
- .mode = MIGRATE_SYNC,
+ .mode = gfp_mask & __GFP_NORETRY ? MIGRATE_ASYNC : MIGRATE_SYNC,
.ignore_skip_hint = true,
.no_set_skip_hint = true,
.gfp_mask = current_gfp_context(gfp_mask),
@@ -8531,9 +8751,14 @@ int alloc_contig_range(unsigned long start, unsigned long end,
*/
ret = start_isolate_page_range(pfn_max_align_down(start),
- pfn_max_align_up(end), migratetype, 0);
- if (ret)
+ pfn_max_align_up(end), migratetype, 0,
+ &info->failed_pfn);
+ if (ret) {
+ info->err |= ACR_ERR_ISOLATE;
return ret;
+ }
+
+ drain_all_pages(cc.zone);
/*
* In case of -EBUSY, we'd like to know which page causes problem.
@@ -8545,8 +8770,8 @@ int alloc_contig_range(unsigned long start, unsigned long end,
* allocated. So, if we fall through be sure to clear ret so that
* -EBUSY is not accidentally used or returned to caller.
*/
- ret = __alloc_contig_migrate_range(&cc, start, end);
- if (ret && ret != -EBUSY)
+ ret = __alloc_contig_migrate_range(&cc, start, end, info);
+ if (ret && (ret != -EBUSY || (gfp_mask & __GFP_NORETRY)))
goto done;
ret =0;
@@ -8567,8 +8792,6 @@ int alloc_contig_range(unsigned long start, unsigned long end,
* isolated thus they won't get removed from buddy.
*/
- lru_add_drain_all();
-
order = 0;
outer_start = start;
while (!PageBuddy(pfn_to_page(outer_start))) {
@@ -8593,10 +8816,11 @@ int alloc_contig_range(unsigned long start, unsigned long end,
}
/* Make sure the range is really isolated. */
- if (test_pages_isolated(outer_start, end, 0)) {
+ if (test_pages_isolated(outer_start, end, 0, &info->failed_pfn)) {
pr_info_ratelimited("%s: [%lx, %lx) PFNs busy\n",
__func__, outer_start, end);
ret = -EBUSY;
+ info->err |= ACR_ERR_TEST;
goto done;
}
@@ -8623,10 +8847,11 @@ EXPORT_SYMBOL(alloc_contig_range);
static int __alloc_contig_pages(unsigned long start_pfn,
unsigned long nr_pages, gfp_t gfp_mask)
{
+ struct acr_info dummy;
unsigned long end_pfn = start_pfn + nr_pages;
return alloc_contig_range(start_pfn, end_pfn, MIGRATE_MOVABLE,
- gfp_mask);
+ gfp_mask, &dummy);
}
static bool pfn_range_valid_contig(struct zone *z, unsigned long start_pfn,
diff --git a/mm/page_ext.c b/mm/page_ext.c
index a3616f7..7e44726 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -65,6 +65,9 @@ static struct page_ext_operations *page_ext_ops[] = {
#if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)
&page_idle_ops,
#endif
+#ifdef CONFIG_PAGE_PINNER
+ &page_pinner_ops,
+#endif
};
unsigned long page_ext_size = sizeof(struct page_ext);
@@ -131,6 +134,7 @@ struct page_ext *lookup_page_ext(const struct page *page)
MAX_ORDER_NR_PAGES);
return get_entry(base, index);
}
+EXPORT_SYMBOL_GPL(lookup_page_ext);
static int __init alloc_node_page_ext(int nid)
{
@@ -201,6 +205,7 @@ struct page_ext *lookup_page_ext(const struct page *page)
return NULL;
return get_entry(section->page_ext, pfn);
}
+EXPORT_SYMBOL_GPL(lookup_page_ext);
static void *__meminit alloc_page_ext(size_t size, int nid)
{
diff --git a/mm/page_io.c b/mm/page_io.c
index 9647981..f2900cf 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -60,9 +60,9 @@ void end_swap_bio_write(struct bio *bio)
* Also clear PG_reclaim to avoid rotate_reclaimable_page()
*/
set_page_dirty(page);
- pr_alert("Write-error on swap-device (%u:%u:%llu)\n",
- MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
- (unsigned long long)bio->bi_iter.bi_sector);
+ pr_alert_ratelimited("Write-error on swap-device (%u:%u:%llu)\n",
+ MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
+ (unsigned long long)bio->bi_iter.bi_sector);
ClearPageReclaim(page);
}
end_page_writeback(page);
@@ -125,9 +125,9 @@ static void end_swap_bio_read(struct bio *bio)
if (bio->bi_status) {
SetPageError(page);
ClearPageUptodate(page);
- pr_alert("Read-error on swap-device (%u:%u:%llu)\n",
- MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
- (unsigned long long)bio->bi_iter.bi_sector);
+ pr_alert_ratelimited("Read-error on swap-device (%u:%u:%llu)\n",
+ MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
+ (unsigned long long)bio->bi_iter.bi_sector);
goto out;
}
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index abbf422..b391091 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -49,7 +49,6 @@ static int set_migratetype_isolate(struct page *page, int migratetype, int isol_
__mod_zone_freepage_state(zone, -nr_pages, mt);
spin_unlock_irqrestore(&zone->lock, flags);
- drain_all_pages(zone);
return 0;
}
@@ -172,16 +171,18 @@ __first_valid_page(unsigned long pfn, unsigned long nr_pages)
*
* Please note that there is no strong synchronization with the page allocator
* either. Pages might be freed while their page blocks are marked ISOLATED.
- * In some cases pages might still end up on pcp lists and that would allow
+ * A call to drain_all_pages() after isolation can flush most of them. However
+ * in some cases pages might still end up on pcp lists and that would allow
* for their allocation even when they are in fact isolated already. Depending
- * on how strong of a guarantee the caller needs drain_all_pages might be needed
- * (e.g. __offline_pages will need to call it after check for isolated range for
- * a next retry).
+ * on how strong of a guarantee the caller needs, further drain_all_pages()
+ * might be needed (e.g. __offline_pages will need to call it after check for
+ * isolated range for a next retry).
*
* Return: 0 on success and -EBUSY if any part of range cannot be isolated.
*/
int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
- unsigned migratetype, int flags)
+ unsigned migratetype, int flags,
+ unsigned long *failed_pfn)
{
unsigned long pfn;
unsigned long undo_pfn;
@@ -197,6 +198,8 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
if (page) {
if (set_migratetype_isolate(page, migratetype, flags)) {
undo_pfn = pfn;
+ if (failed_pfn)
+ *failed_pfn = page_to_pfn(page);
goto undo;
}
}
@@ -282,7 +285,7 @@ __test_page_isolated_in_pageblock(unsigned long pfn, unsigned long end_pfn,
/* Caller should ensure that requested range is in a single zone */
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
- int isol_flags)
+ int isol_flags, unsigned long *failed_pfn)
{
unsigned long pfn, flags;
struct page *page;
@@ -308,6 +311,12 @@ int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn,
spin_unlock_irqrestore(&zone->lock, flags);
trace_test_pages_isolated(start_pfn, end_pfn, pfn);
+ if (pfn < end_pfn) {
+ page_pinner_failure_detect(pfn_to_page(pfn));
+ if (failed_pfn)
+ *failed_pfn = pfn;
+ return -EBUSY;
+ }
- return pfn < end_pfn ? -EBUSY : 0;
+ return 0;
}
diff --git a/mm/page_owner.c b/mm/page_owner.c
index b735a8e..9501940 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -10,6 +10,7 @@
#include <linux/migrate.h>
#include <linux/stackdepot.h>
#include <linux/seq_file.h>
+#include <linux/sched/clock.h>
#include "internal.h"
@@ -25,9 +26,12 @@ struct page_owner {
gfp_t gfp_mask;
depot_stack_handle_t handle;
depot_stack_handle_t free_handle;
+ u64 ts_nsec;
+ u64 free_ts_nsec;
+ pid_t pid;
};
-static bool page_owner_enabled = false;
+bool page_owner_enabled;
DEFINE_STATIC_KEY_FALSE(page_owner_inited);
static depot_stack_handle_t dummy_handle;
@@ -95,10 +99,30 @@ struct page_ext_operations page_owner_ops = {
.init = init_page_owner,
};
-static inline struct page_owner *get_page_owner(struct page_ext *page_ext)
+struct page_owner *get_page_owner(struct page_ext *page_ext)
{
return (void *)page_ext + page_owner_ops.offset;
}
+EXPORT_SYMBOL_GPL(get_page_owner);
+
+depot_stack_handle_t get_page_owner_handle(struct page_ext *page_ext, unsigned long pfn)
+{
+ struct page_owner *page_owner;
+ depot_stack_handle_t handle;
+
+ if (!page_owner_enabled)
+ return 0;
+
+ page_owner = get_page_owner(page_ext);
+
+ /* skip handle for tail pages of higher order allocations */
+ if (!IS_ALIGNED(pfn, 1 << page_owner->order))
+ return 0;
+
+ handle = READ_ONCE(page_owner->handle);
+ return handle;
+}
+EXPORT_SYMBOL_GPL(get_page_owner_handle);
static inline bool check_recursive_alloc(unsigned long *entries,
unsigned int nr_entries,
@@ -145,6 +169,7 @@ void __reset_page_owner(struct page *page, unsigned int order)
struct page_ext *page_ext;
depot_stack_handle_t handle = 0;
struct page_owner *page_owner;
+ u64 free_ts_nsec = local_clock();
handle = save_stack(GFP_NOWAIT | __GFP_NOWARN);
@@ -155,6 +180,7 @@ void __reset_page_owner(struct page *page, unsigned int order)
__clear_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
page_owner = get_page_owner(page_ext);
page_owner->free_handle = handle;
+ page_owner->free_ts_nsec = free_ts_nsec;
page_ext = page_ext_next(page_ext);
}
}
@@ -172,6 +198,8 @@ static inline void __set_page_owner_handle(struct page *page,
page_owner->order = order;
page_owner->gfp_mask = gfp_mask;
page_owner->last_migrate_reason = -1;
+ page_owner->pid = current->pid;
+ page_owner->ts_nsec = local_clock();
__set_bit(PAGE_EXT_OWNER, &page_ext->flags);
__set_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
@@ -236,6 +264,9 @@ void __copy_page_owner(struct page *oldpage, struct page *newpage)
new_page_owner->last_migrate_reason =
old_page_owner->last_migrate_reason;
new_page_owner->handle = old_page_owner->handle;
+ new_page_owner->pid = old_page_owner->pid;
+ new_page_owner->ts_nsec = old_page_owner->ts_nsec;
+ new_page_owner->free_ts_nsec = old_page_owner->ts_nsec;
/*
* We don't clear the bit on the oldpage as it's going to be freed
@@ -349,9 +380,10 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn,
return -ENOMEM;
ret = snprintf(kbuf, count,
- "Page allocated via order %u, mask %#x(%pGg)\n",
+ "Page allocated via order %u, mask %#x(%pGg), pid %d, ts %llu ns, free_ts %llu ns\n",
page_owner->order, page_owner->gfp_mask,
- &page_owner->gfp_mask);
+ &page_owner->gfp_mask, page_owner->pid,
+ page_owner->ts_nsec, page_owner->free_ts_nsec);
if (ret >= count)
goto err;
@@ -427,8 +459,9 @@ void __dump_page_owner(struct page *page)
else
pr_alert("page_owner tracks the page as freed\n");
- pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg)\n",
- page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask);
+ pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg), pid %d, ts %llu, free_ts %llu\n",
+ page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask,
+ page_owner->pid, page_owner->ts_nsec, page_owner->free_ts_nsec);
handle = READ_ONCE(page_owner->handle);
if (!handle) {
diff --git a/mm/page_pinner.c b/mm/page_pinner.c
new file mode 100644
index 0000000..f4a141a
--- /dev/null
+++ b/mm/page_pinner.c
@@ -0,0 +1,514 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/debugfs.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+#include <linux/memblock.h>
+#include <linux/stacktrace.h>
+#include <linux/page_pinner.h>
+#include <linux/jump_label.h>
+#include <linux/migrate.h>
+#include <linux/stackdepot.h>
+#include <linux/seq_file.h>
+#include <linux/sched/clock.h>
+
+#include "internal.h"
+
+#define PAGE_PINNER_STACK_DEPTH 16
+#define LONGTERM_PIN_BUCKETS 4096
+
+struct page_pinner {
+ depot_stack_handle_t handle;
+ s64 ts_usec;
+ atomic_t count;
+};
+
+struct captured_pinner {
+ depot_stack_handle_t handle;
+ union {
+ s64 ts_usec;
+ s64 elapsed;
+ };
+
+ /* struct page fields */
+ unsigned long pfn;
+ int count;
+ int mapcount;
+ struct address_space *mapping;
+ unsigned long flags;
+};
+
+struct longterm_pinner {
+ spinlock_t lock;
+ unsigned int index;
+ struct captured_pinner pinner[LONGTERM_PIN_BUCKETS];
+};
+
+static struct longterm_pinner lt_pinner = {
+ .lock = __SPIN_LOCK_UNLOCKED(lt_pinner.lock),
+};
+
+static s64 threshold_usec = 300000;
+
+/* alloc_contig failed pinner */
+static struct longterm_pinner acf_pinner = {
+ .lock = __SPIN_LOCK_UNLOCKED(acf_pinner.lock),
+};
+
+static bool page_pinner_enabled;
+DEFINE_STATIC_KEY_FALSE(page_pinner_inited);
+
+DEFINE_STATIC_KEY_TRUE(failure_tracking);
+EXPORT_SYMBOL(failure_tracking);
+
+static depot_stack_handle_t failure_handle;
+
+static int __init early_page_pinner_param(char *buf)
+{
+ page_pinner_enabled = true;
+ return 0;
+}
+early_param("page_pinner", early_page_pinner_param);
+
+static bool need_page_pinner(void)
+{
+ return page_pinner_enabled;
+}
+
+static noinline void register_failure_stack(void)
+{
+ unsigned long entries[4];
+ unsigned int nr_entries;
+
+ nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0);
+ failure_handle = stack_depot_save(entries, nr_entries, GFP_KERNEL);
+}
+
+static void init_page_pinner(void)
+{
+ if (!page_pinner_enabled)
+ return;
+
+ register_failure_stack();
+ static_branch_enable(&page_pinner_inited);
+}
+
+struct page_ext_operations page_pinner_ops = {
+ .size = sizeof(struct page_pinner),
+ .need = need_page_pinner,
+ .init = init_page_pinner,
+};
+
+static inline struct page_pinner *get_page_pinner(struct page_ext *page_ext)
+{
+ return (void *)page_ext + page_pinner_ops.offset;
+}
+
+static noinline depot_stack_handle_t save_stack(gfp_t flags)
+{
+ unsigned long entries[PAGE_PINNER_STACK_DEPTH];
+ depot_stack_handle_t handle;
+ unsigned int nr_entries;
+
+ nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 2);
+ handle = stack_depot_save(entries, nr_entries, flags);
+ if (!handle)
+ handle = failure_handle;
+
+ return handle;
+}
+
+static void capture_page_state(struct page *page,
+ struct captured_pinner *record)
+{
+ record->flags = page->flags;
+ record->mapping = page_mapping(page);
+ record->pfn = page_to_pfn(page);
+ record->count = page_count(page);
+ record->mapcount = page_mapcount(page);
+}
+
+static void check_longterm_pin(struct page_pinner *page_pinner,
+ struct page *page)
+{
+ s64 now, delta = 0;
+ unsigned long flags;
+ unsigned int idx;
+ struct captured_pinner record;
+
+ now = ktime_to_us(ktime_get_boottime());
+
+ /* get/put_page can be raced. Ignore that case */
+ if (page_pinner->ts_usec < now)
+ delta = now - page_pinner->ts_usec;
+
+ if (delta <= threshold_usec)
+ return;
+
+ record.handle = page_pinner->handle;
+ record.elapsed = delta;
+ capture_page_state(page, &record);
+
+ spin_lock_irqsave(<_pinner.lock, flags);
+ idx = lt_pinner.index++;
+ lt_pinner.index %= LONGTERM_PIN_BUCKETS;
+ lt_pinner.pinner[idx] = record;
+ spin_unlock_irqrestore(<_pinner.lock, flags);
+}
+
+void __reset_page_pinner(struct page *page, unsigned int order, bool free)
+{
+ struct page_pinner *page_pinner;
+ struct page_ext *page_ext;
+ int i;
+
+ page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ return;
+
+ for (i = 0; i < (1 << order); i++) {
+ if (!test_bit(PAGE_EXT_GET, &page_ext->flags) &&
+ !test_bit(PAGE_EXT_PINNER_MIGRATION_FAILED,
+ &page_ext->flags))
+ continue;
+
+ page_pinner = get_page_pinner(page_ext);
+ if (free) {
+ /* record page free call path */
+ __page_pinner_migration_failed(page);
+ atomic_set(&page_pinner->count, 0);
+ __clear_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags);
+ } else {
+ check_longterm_pin(page_pinner, page);
+ }
+ clear_bit(PAGE_EXT_GET, &page_ext->flags);
+ page_ext = page_ext_next(page_ext);
+ }
+}
+
+static inline void __set_page_pinner_handle(struct page *page,
+ struct page_ext *page_ext, depot_stack_handle_t handle,
+ unsigned int order)
+{
+ struct page_pinner *page_pinner;
+ int i;
+ s64 usec = ktime_to_us(ktime_get_boottime());
+
+ for (i = 0; i < (1 << order); i++) {
+ page_pinner = get_page_pinner(page_ext);
+ page_pinner->handle = handle;
+ page_pinner->ts_usec = usec;
+ set_bit(PAGE_EXT_GET, &page_ext->flags);
+ atomic_inc(&page_pinner->count);
+ page_ext = page_ext_next(page_ext);
+ }
+}
+
+noinline void __set_page_pinner(struct page *page, unsigned int order)
+{
+ struct page_ext *page_ext = lookup_page_ext(page);
+ depot_stack_handle_t handle;
+
+ if (unlikely(!page_ext))
+ return;
+
+ handle = save_stack(GFP_NOWAIT|__GFP_NOWARN);
+ __set_page_pinner_handle(page, page_ext, handle, order);
+}
+
+static ssize_t
+print_page_pinner(bool longterm, char __user *buf, size_t count, struct captured_pinner *record)
+{
+ int ret;
+ unsigned long *entries;
+ unsigned int nr_entries;
+ char *kbuf;
+
+ count = min_t(size_t, count, PAGE_SIZE);
+ kbuf = kmalloc(count, GFP_KERNEL);
+ if (!kbuf)
+ return -ENOMEM;
+
+ if (longterm) {
+ ret = snprintf(kbuf, count, "Page pinned for %lld us\n",
+ record->elapsed);
+ } else {
+ s64 ts_usec = record->ts_usec;
+ unsigned long rem_usec = do_div(ts_usec, 1000000);
+
+ ret = snprintf(kbuf, count,
+ "Page pinned ts [%5lu.%06lu]\n",
+ (unsigned long)ts_usec, rem_usec);
+ }
+
+ if (ret >= count)
+ goto err;
+
+ /* Print information relevant to grouping pages by mobility */
+ ret += snprintf(kbuf + ret, count - ret,
+ "PFN 0x%lx Block %lu count %d mapcount %d mapping %pS Flags %#lx(%pGp)\n",
+ record->pfn,
+ record->pfn >> pageblock_order,
+ record->count, record->mapcount,
+ record->mapping,
+ record->flags, &record->flags);
+
+ if (ret >= count)
+ goto err;
+
+ nr_entries = stack_depot_fetch(record->handle, &entries);
+ ret += stack_trace_snprint(kbuf + ret, count - ret, entries,
+ nr_entries, 0);
+ if (ret >= count)
+ goto err;
+
+ ret += snprintf(kbuf + ret, count - ret, "\n");
+ if (ret >= count)
+ goto err;
+
+ if (copy_to_user(buf, kbuf, ret))
+ ret = -EFAULT;
+
+ kfree(kbuf);
+ return ret;
+
+err:
+ kfree(kbuf);
+ return -ENOMEM;
+}
+
+void __dump_page_pinner(struct page *page)
+{
+ struct page_ext *page_ext = lookup_page_ext(page);
+ struct page_pinner *page_pinner;
+ depot_stack_handle_t handle;
+ unsigned long *entries;
+ unsigned int nr_entries;
+ int pageblock_mt;
+ unsigned long pfn;
+ int count;
+ unsigned long rem_usec;
+ s64 ts_usec;
+
+ if (unlikely(!page_ext)) {
+ pr_alert("There is not page extension available.\n");
+ return;
+ }
+
+ page_pinner = get_page_pinner(page_ext);
+
+ count = atomic_read(&page_pinner->count);
+ if (!count) {
+ pr_alert("page_pinner info is not present (never set?)\n");
+ return;
+ }
+
+ pfn = page_to_pfn(page);
+ ts_usec = page_pinner->ts_usec;
+ rem_usec = do_div(ts_usec, 1000000);
+ pr_alert("page last pinned %5lu.%06lu] count %d\n",
+ (unsigned long)ts_usec, rem_usec, count);
+
+ pageblock_mt = get_pageblock_migratetype(page);
+ pr_alert("PFN %lu Block %lu type %s Flags %#lx(%pGp)\n",
+ pfn,
+ pfn >> pageblock_order,
+ migratetype_names[pageblock_mt],
+ page->flags, &page->flags);
+
+ handle = READ_ONCE(page_pinner->handle);
+ if (!handle) {
+ pr_alert("page_pinner allocation stack trace missing\n");
+ } else {
+ nr_entries = stack_depot_fetch(handle, &entries);
+ stack_trace_print(entries, nr_entries, 0);
+ }
+}
+
+void __page_pinner_migration_failed(struct page *page)
+{
+ struct page_ext *page_ext = lookup_page_ext(page);
+ struct page_pinner *page_pinner;
+ struct captured_pinner record;
+ unsigned long flags;
+ unsigned int idx;
+
+ if (unlikely(!page_ext))
+ return;
+
+ page_pinner = get_page_pinner(page_ext);
+ if (!test_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags))
+ return;
+
+ record.handle = save_stack(GFP_NOWAIT|__GFP_NOWARN);
+ record.ts_usec = ktime_to_us(ktime_get_boottime());
+ capture_page_state(page, &record);
+
+ spin_lock_irqsave(&acf_pinner.lock, flags);
+ idx = acf_pinner.index++;
+ acf_pinner.index %= LONGTERM_PIN_BUCKETS;
+ acf_pinner.pinner[idx] = record;
+ spin_unlock_irqrestore(&acf_pinner.lock, flags);
+}
+EXPORT_SYMBOL(__page_pinner_migration_failed);
+
+void __page_pinner_mark_migration_failed_pages(struct list_head *page_list)
+{
+ struct page *page;
+ struct page_ext *page_ext;
+
+ list_for_each_entry(page, page_list, lru) {
+ /* The page will be freed by putback_movable_pages soon */
+ if (page_count(page) == 1)
+ continue;
+ page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ continue;
+ __set_bit(PAGE_EXT_PINNER_MIGRATION_FAILED, &page_ext->flags);
+ __page_pinner_migration_failed(page);
+ }
+}
+
+static ssize_t
+read_longterm_page_pinner(struct file *file, char __user *buf, size_t count,
+ loff_t *ppos)
+{
+ loff_t i, idx;
+ struct captured_pinner record;
+ unsigned long flags;
+
+ if (!static_branch_unlikely(&page_pinner_inited))
+ return -EINVAL;
+
+ if (*ppos >= LONGTERM_PIN_BUCKETS)
+ return 0;
+
+ i = *ppos;
+ *ppos = i + 1;
+
+ /*
+ * reading the records in the reverse order with newest one
+ * being read first followed by older ones
+ */
+ idx = (lt_pinner.index - 1 - i + LONGTERM_PIN_BUCKETS) %
+ LONGTERM_PIN_BUCKETS;
+ spin_lock_irqsave(<_pinner.lock, flags);
+ record = lt_pinner.pinner[idx];
+ spin_unlock_irqrestore(<_pinner.lock, flags);
+ if (!record.handle)
+ return 0;
+
+ return print_page_pinner(true, buf, count, &record);
+}
+
+static const struct file_operations proc_longterm_pinner_operations = {
+ .read = read_longterm_page_pinner,
+};
+
+static ssize_t read_alloc_contig_failed(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ loff_t i, idx;
+ struct captured_pinner record;
+ unsigned long flags;
+
+ if (!static_branch_unlikely(&failure_tracking))
+ return -EINVAL;
+
+ if (*ppos >= LONGTERM_PIN_BUCKETS)
+ return 0;
+
+ i = *ppos;
+ *ppos = i + 1;
+
+ /*
+ * reading the records in the reverse order with newest one
+ * being read first followed by older ones
+ */
+ idx = (acf_pinner.index - 1 - i + LONGTERM_PIN_BUCKETS) %
+ LONGTERM_PIN_BUCKETS;
+
+ spin_lock_irqsave(&acf_pinner.lock, flags);
+ record = acf_pinner.pinner[idx];
+ spin_unlock_irqrestore(&acf_pinner.lock, flags);
+ if (!record.handle)
+ return 0;
+
+ return print_page_pinner(false, buf, count, &record);
+}
+
+static const struct file_operations proc_alloc_contig_failed_operations = {
+ .read = read_alloc_contig_failed,
+};
+
+static int pp_threshold_set(void *data, unsigned long long val)
+{
+ unsigned long flags;
+
+ threshold_usec = (s64)val;
+
+ spin_lock_irqsave(<_pinner.lock, flags);
+ memset(lt_pinner.pinner, 0,
+ sizeof(struct captured_pinner) * LONGTERM_PIN_BUCKETS);
+ lt_pinner.index = 0;
+ spin_unlock_irqrestore(<_pinner.lock, flags);
+ return 0;
+}
+
+static int pp_threshold_get(void *data, unsigned long long *val)
+{
+ *val = (unsigned long long)threshold_usec;
+
+ return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(pp_threshold_fops, pp_threshold_get,
+ pp_threshold_set, "%lld\n");
+
+static int failure_tracking_set(void *data, u64 val)
+{
+ bool on;
+
+ on = (bool)val;
+ if (on)
+ static_branch_enable(&failure_tracking);
+ else
+ static_branch_disable(&failure_tracking);
+ return 0;
+}
+
+static int failure_tracking_get(void *data, u64 *val)
+{
+ *val = static_branch_unlikely(&failure_tracking);
+ return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(failure_tracking_fops,
+ failure_tracking_get,
+ failure_tracking_set, "%llu\n");
+
+static int __init page_pinner_init(void)
+{
+ struct dentry *pp_debugfs_root;
+
+ if (!static_branch_unlikely(&page_pinner_inited))
+ return 0;
+
+ pr_info("page_pinner enabled\n");
+
+ pp_debugfs_root = debugfs_create_dir("page_pinner", NULL);
+
+ debugfs_create_file("longterm_pinner", 0444, pp_debugfs_root, NULL,
+ &proc_longterm_pinner_operations);
+
+ debugfs_create_file("threshold", 0644, pp_debugfs_root, NULL,
+ &pp_threshold_fops);
+
+ debugfs_create_file("alloc_contig_failed", 0444,
+ pp_debugfs_root, NULL,
+ &proc_alloc_contig_failed_operations);
+
+ debugfs_create_file("failure_tracking", 0644,
+ pp_debugfs_root, NULL,
+ &failure_tracking_fops);
+ return 0;
+}
+late_initcall(page_pinner_init)
diff --git a/mm/page_poison.c b/mm/page_poison.c
index ae0482c..655dc58 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -8,57 +8,29 @@
#include <linux/ratelimit.h>
#include <linux/kasan.h>
-static DEFINE_STATIC_KEY_FALSE_RO(want_page_poisoning);
+bool _page_poisoning_enabled_early;
+EXPORT_SYMBOL(_page_poisoning_enabled_early);
+DEFINE_STATIC_KEY_FALSE(_page_poisoning_enabled);
+EXPORT_SYMBOL(_page_poisoning_enabled);
static int __init early_page_poison_param(char *buf)
{
- int ret;
- bool tmp;
-
- ret = strtobool(buf, &tmp);
- if (ret)
- return ret;
-
- if (tmp)
- static_branch_enable(&want_page_poisoning);
- else
- static_branch_disable(&want_page_poisoning);
-
- return 0;
+ return kstrtobool(buf, &_page_poisoning_enabled_early);
}
early_param("page_poison", early_page_poison_param);
-/**
- * page_poisoning_enabled - check if page poisoning is enabled
- *
- * Return true if page poisoning is enabled, or false if not.
- */
-bool page_poisoning_enabled(void)
-{
- /*
- * Assumes that debug_pagealloc_enabled is set before
- * memblock_free_all.
- * Page poisoning is debug page alloc for some arches. If
- * either of those options are enabled, enable poisoning.
- */
- return (static_branch_unlikely(&want_page_poisoning) ||
- (!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
- debug_pagealloc_enabled()));
-}
-EXPORT_SYMBOL_GPL(page_poisoning_enabled);
-
static void poison_page(struct page *page)
{
void *addr = kmap_atomic(page);
/* KASAN still think the page is in-use, so skip it. */
kasan_disable_current();
- memset(addr, PAGE_POISON, PAGE_SIZE);
+ memset(kasan_reset_tag(addr), PAGE_POISON, PAGE_SIZE);
kasan_enable_current();
kunmap_atomic(addr);
}
-static void poison_pages(struct page *page, int n)
+void __kernel_poison_pages(struct page *page, int n)
{
int i;
@@ -79,9 +51,6 @@ static void check_poison_mem(unsigned char *mem, size_t bytes)
unsigned char *start;
unsigned char *end;
- if (IS_ENABLED(CONFIG_PAGE_POISONING_NO_SANITY))
- return;
-
start = memchr_inv(mem, PAGE_POISON, bytes);
if (!start)
return;
@@ -108,16 +77,18 @@ static void unpoison_page(struct page *page)
void *addr;
addr = kmap_atomic(page);
+ kasan_disable_current();
/*
* Page poisoning when enabled poisons each and every page
* that is freed to buddy. Thus no extra check is done to
* see if a page was poisoned.
*/
- check_poison_mem(addr, PAGE_SIZE);
+ check_poison_mem(kasan_reset_tag(addr), PAGE_SIZE);
+ kasan_enable_current();
kunmap_atomic(addr);
}
-static void unpoison_pages(struct page *page, int n)
+void __kernel_unpoison_pages(struct page *page, int n)
{
int i;
@@ -125,17 +96,6 @@ static void unpoison_pages(struct page *page, int n)
unpoison_page(page + i);
}
-void kernel_poison_pages(struct page *page, int numpages, int enable)
-{
- if (!page_poisoning_enabled())
- return;
-
- if (enable)
- unpoison_pages(page, numpages);
- else
- poison_pages(page, numpages);
-}
-
#ifndef CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC
void __kernel_map_pages(struct page *page, int numpages, int enable)
{
diff --git a/mm/percpu.c b/mm/percpu.c
index e12ab70..b31c6df 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -2231,6 +2231,7 @@ phys_addr_t per_cpu_ptr_to_phys(void *addr)
return page_to_phys(pcpu_addr_to_page(addr)) +
offset_in_page(addr);
}
+EXPORT_SYMBOL_GPL(per_cpu_ptr_to_phys);
/**
* pcpu_alloc_alloc_info - allocate percpu allocation info
@@ -3167,6 +3168,7 @@ unsigned long pcpu_nr_pages(void)
{
return pcpu_nr_populated * pcpu_nr_units;
}
+EXPORT_SYMBOL_GPL(pcpu_nr_pages);
/*
* Percpu allocator is initialized early during boot when neither slab or
diff --git a/mm/ptdump.c b/mm/ptdump.c
index 93f2f63..da75144 100644
--- a/mm/ptdump.c
+++ b/mm/ptdump.c
@@ -4,7 +4,7 @@
#include <linux/ptdump.h>
#include <linux/kasan.h>
-#ifdef CONFIG_KASAN
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
/*
* This is an optimization for KASAN=y case. Since all kasan page tables
* eventually point to the kasan_early_shadow_page we could call note_page()
@@ -31,7 +31,8 @@ static int ptdump_pgd_entry(pgd_t *pgd, unsigned long addr,
struct ptdump_state *st = walk->private;
pgd_t val = READ_ONCE(*pgd);
-#if CONFIG_PGTABLE_LEVELS > 4 && defined(CONFIG_KASAN)
+#if CONFIG_PGTABLE_LEVELS > 4 && \
+ (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
if (pgd_page(val) == virt_to_page(lm_alias(kasan_early_shadow_p4d)))
return note_kasan_page_table(walk, addr);
#endif
@@ -51,7 +52,8 @@ static int ptdump_p4d_entry(p4d_t *p4d, unsigned long addr,
struct ptdump_state *st = walk->private;
p4d_t val = READ_ONCE(*p4d);
-#if CONFIG_PGTABLE_LEVELS > 3 && defined(CONFIG_KASAN)
+#if CONFIG_PGTABLE_LEVELS > 3 && \
+ (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
if (p4d_page(val) == virt_to_page(lm_alias(kasan_early_shadow_pud)))
return note_kasan_page_table(walk, addr);
#endif
@@ -71,7 +73,8 @@ static int ptdump_pud_entry(pud_t *pud, unsigned long addr,
struct ptdump_state *st = walk->private;
pud_t val = READ_ONCE(*pud);
-#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_KASAN)
+#if CONFIG_PGTABLE_LEVELS > 2 && \
+ (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS))
if (pud_page(val) == virt_to_page(lm_alias(kasan_early_shadow_pmd)))
return note_kasan_page_table(walk, addr);
#endif
@@ -91,7 +94,7 @@ static int ptdump_pmd_entry(pmd_t *pmd, unsigned long addr,
struct ptdump_state *st = walk->private;
pmd_t val = READ_ONCE(*pmd);
-#if defined(CONFIG_KASAN)
+#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
if (pmd_page(val) == virt_to_page(lm_alias(kasan_early_shadow_pte)))
return note_kasan_page_table(walk, addr);
#endif
diff --git a/mm/readahead.c b/mm/readahead.c
index c5b0457..a6bfa98 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -23,6 +23,7 @@
#include <linux/blk-cgroup.h>
#include <linux/fadvise.h>
#include <linux/sched/mm.h>
+#include <trace/hooks/mm.h>
#include "internal.h"
@@ -114,6 +115,15 @@ int read_cache_pages(struct address_space *mapping, struct list_head *pages,
EXPORT_SYMBOL(read_cache_pages);
+gfp_t readahead_gfp_mask(struct address_space *x)
+{
+ gfp_t mask = mapping_gfp_mask(x) | __GFP_NORETRY | __GFP_NOWARN;
+
+ trace_android_rvh_set_readahead_gfp_mask(&mask);
+ return mask;
+}
+EXPORT_SYMBOL_GPL(readahead_gfp_mask);
+
static void read_pages(struct readahead_control *rac, struct list_head *pages,
bool skip_page)
{
diff --git a/mm/rmap.c b/mm/rmap.c
index 14f84f7..22464da 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -77,6 +77,8 @@
#include <trace/events/tlb.h>
+#include <trace/hooks/mm.h>
+
#include "internal.h"
static struct kmem_cache *anon_vma_cachep;
@@ -1153,7 +1155,7 @@ void do_page_add_anon_rmap(struct page *page,
}
/**
- * page_add_new_anon_rmap - add pte mapping to a new anonymous page
+ * __page_add_new_anon_rmap - add pte mapping to a new anonymous page
* @page: the page to add the mapping to
* @vma: the vm area in which the mapping is added
* @address: the user virtual address mapped
@@ -1163,12 +1165,11 @@ void do_page_add_anon_rmap(struct page *page,
* This means the inc-and-test can be bypassed.
* Page does not have to be locked.
*/
-void page_add_new_anon_rmap(struct page *page,
+void __page_add_new_anon_rmap(struct page *page,
struct vm_area_struct *vma, unsigned long address, bool compound)
{
int nr = compound ? thp_nr_pages(page) : 1;
- VM_BUG_ON_VMA(address < vma->vm_start || address >= vma->vm_end, vma);
__SetPageSwapBacked(page);
if (compound) {
VM_BUG_ON_PAGE(!PageTransHuge(page), page);
@@ -1714,6 +1715,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
}
mmu_notifier_invalidate_range_end(&range);
+ trace_android_vh_try_to_unmap_one(vma, page, address, ret);
return ret;
}
diff --git a/mm/shmem.c b/mm/shmem.c
index ae8adca..dc55101 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -38,9 +38,15 @@
#include <linux/hugetlb.h>
#include <linux/frontswap.h>
#include <linux/fs_parser.h>
+#include <linux/mm_inline.h>
#include <asm/tlbflush.h> /* for arch/microblaze update_mmu_cache() */
+#include "internal.h"
+
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/shmem_fs.h>
+
static struct vfsmount *shm_mnt;
#ifdef CONFIG_SHMEM
@@ -1520,11 +1526,11 @@ static struct page *shmem_swapin(swp_entry_t swap, gfp_t gfp,
{
struct vm_area_struct pvma;
struct page *page;
- struct vm_fault vmf;
+ struct vm_fault vmf = {
+ .vma = &pvma,
+ };
shmem_pseudo_vma_init(&pvma, info, index);
- vmf.vma = &pvma;
- vmf.address = 0;
page = swap_cluster_readahead(swap, gfp, &vmf);
shmem_pseudo_vma_destroy(&pvma);
@@ -1559,7 +1565,11 @@ static struct page *shmem_alloc_page(gfp_t gfp,
struct shmem_inode_info *info, pgoff_t index)
{
struct vm_area_struct pvma;
- struct page *page;
+ struct page *page = NULL;
+
+ trace_android_vh_shmem_alloc_page(&page);
+ if (page)
+ return page;
shmem_pseudo_vma_init(&pvma, info, index);
page = alloc_page_vma(gfp, &pvma, 0);
@@ -1787,7 +1797,7 @@ static int shmem_swapin_page(struct inode *inode, pgoff_t index,
* vm. If we swap it in we mark it dirty since we also free the swap
* entry since a page cannot live in both the swap and page cache.
*
- * vmf and fault_type are only supplied by shmem_fault:
+ * vma, vmf, and fault_type are only supplied by shmem_fault:
* otherwise they are NULL.
*/
static int shmem_getpage_gfp(struct inode *inode, pgoff_t index,
@@ -1820,6 +1830,16 @@ static int shmem_getpage_gfp(struct inode *inode, pgoff_t index,
charge_mm = vma ? vma->vm_mm : current->mm;
page = find_lock_entry(mapping, index);
+
+ if (page && vma && userfaultfd_minor(vma)) {
+ if (!xa_is_value(page)) {
+ unlock_page(page);
+ put_page(page);
+ }
+ *fault_type = handle_userfault(vmf, VM_UFFD_MINOR);
+ return 0;
+ }
+
if (xa_is_value(page)) {
error = shmem_swapin_page(inode, index, &page,
sgp, gfp, vma, fault_type);
@@ -2343,27 +2363,25 @@ bool shmem_mapping(struct address_space *mapping)
return mapping->a_ops == &shmem_aops;
}
-static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
- pmd_t *dst_pmd,
- struct vm_area_struct *dst_vma,
- unsigned long dst_addr,
- unsigned long src_addr,
- bool zeropage,
- struct page **pagep)
+#ifdef CONFIG_USERFAULTFD
+int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+ pmd_t *dst_pmd,
+ struct vm_area_struct *dst_vma,
+ unsigned long dst_addr,
+ unsigned long src_addr,
+ bool zeropage,
+ struct page **pagep)
{
struct inode *inode = file_inode(dst_vma->vm_file);
struct shmem_inode_info *info = SHMEM_I(inode);
struct address_space *mapping = inode->i_mapping;
gfp_t gfp = mapping_gfp_mask(mapping);
pgoff_t pgoff = linear_page_index(dst_vma, dst_addr);
- spinlock_t *ptl;
void *page_kaddr;
struct page *page;
- pte_t _dst_pte, *dst_pte;
int ret;
- pgoff_t offset, max_off;
+ pgoff_t max_off;
- ret = -ENOMEM;
if (!shmem_inode_acct_block(inode, 1)) {
/*
* We may have got a page, returned -ENOENT triggering a retry,
@@ -2374,15 +2392,16 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
put_page(*pagep);
*pagep = NULL;
}
- goto out;
+ return -ENOMEM;
}
if (!*pagep) {
+ ret = -ENOMEM;
page = shmem_alloc_page(gfp, info, pgoff);
if (!page)
goto out_unacct_blocks;
- if (!zeropage) { /* mcopy_atomic */
+ if (!zeropage) { /* COPY */
page_kaddr = kmap_atomic(page);
ret = copy_from_user(page_kaddr,
(const void __user *)src_addr,
@@ -2392,11 +2411,11 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
/* fallback to copy_from_user outside mmap_lock */
if (unlikely(ret)) {
*pagep = page;
- shmem_inode_unacct_blocks(inode, 1);
+ ret = -ENOENT;
/* don't free the page */
- return -ENOENT;
+ goto out_unacct_blocks;
}
- } else { /* mfill_zeropage_atomic */
+ } else { /* ZEROPAGE */
clear_highpage(page);
}
} else {
@@ -2404,15 +2423,15 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
*pagep = NULL;
}
- VM_BUG_ON(PageLocked(page) || PageSwapBacked(page));
+ VM_BUG_ON(PageLocked(page));
+ VM_BUG_ON(PageSwapBacked(page));
__SetPageLocked(page);
__SetPageSwapBacked(page);
__SetPageUptodate(page);
ret = -EFAULT;
- offset = linear_page_index(dst_vma, dst_addr);
max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
- if (unlikely(offset >= max_off))
+ if (unlikely(pgoff >= max_off))
goto out_release;
ret = shmem_add_to_page_cache(page, mapping, pgoff, NULL,
@@ -2420,32 +2439,10 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
if (ret)
goto out_release;
- _dst_pte = mk_pte(page, dst_vma->vm_page_prot);
- if (dst_vma->vm_flags & VM_WRITE)
- _dst_pte = pte_mkwrite(pte_mkdirty(_dst_pte));
- else {
- /*
- * We don't set the pte dirty if the vma has no
- * VM_WRITE permission, so mark the page dirty or it
- * could be freed from under us. We could do it
- * unconditionally before unlock_page(), but doing it
- * only if VM_WRITE is not set is faster.
- */
- set_page_dirty(page);
- }
-
- dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
-
- ret = -EFAULT;
- max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
- if (unlikely(offset >= max_off))
- goto out_release_unlock;
-
- ret = -EEXIST;
- if (!pte_none(*dst_pte))
- goto out_release_unlock;
-
- lru_cache_add(page);
+ ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+ page, true, false);
+ if (ret)
+ goto out_delete_from_cache;
spin_lock_irq(&info->lock);
info->alloced++;
@@ -2453,50 +2450,19 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
shmem_recalc_inode(inode);
spin_unlock_irq(&info->lock);
- inc_mm_counter(dst_mm, mm_counter_file(page));
- page_add_file_rmap(page, false);
- set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
-
- /* No need to invalidate - it was non-present before */
- update_mmu_cache(dst_vma, dst_addr, dst_pte);
- pte_unmap_unlock(dst_pte, ptl);
+ SetPageDirty(page);
unlock_page(page);
- ret = 0;
-out:
- return ret;
-out_release_unlock:
- pte_unmap_unlock(dst_pte, ptl);
- ClearPageDirty(page);
+ return 0;
+out_delete_from_cache:
delete_from_page_cache(page);
out_release:
unlock_page(page);
put_page(page);
out_unacct_blocks:
shmem_inode_unacct_blocks(inode, 1);
- goto out;
+ return ret;
}
-
-int shmem_mcopy_atomic_pte(struct mm_struct *dst_mm,
- pmd_t *dst_pmd,
- struct vm_area_struct *dst_vma,
- unsigned long dst_addr,
- unsigned long src_addr,
- struct page **pagep)
-{
- return shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma,
- dst_addr, src_addr, false, pagep);
-}
-
-int shmem_mfill_zeropage_pte(struct mm_struct *dst_mm,
- pmd_t *dst_pmd,
- struct vm_area_struct *dst_vma,
- unsigned long dst_addr)
-{
- struct page *page = NULL;
-
- return shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma,
- dst_addr, 0, true, &page);
-}
+#endif /* CONFIG_USERFAULTFD */
#ifdef CONFIG_TMPFS
static const struct inode_operations shmem_symlink_inode_operations;
@@ -3265,7 +3231,8 @@ static int shmem_initxattrs(struct inode *inode,
static int shmem_xattr_handler_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
- const char *name, void *buffer, size_t size)
+ const char *name, void *buffer, size_t size,
+ int flags)
{
struct shmem_inode_info *info = SHMEM_I(inode);
@@ -3953,6 +3920,9 @@ static const struct vm_operations_struct shmem_vm_ops = {
.set_policy = shmem_set_policy,
.get_policy = shmem_get_policy,
#endif
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ .allow_speculation = filemap_allow_speculation,
+#endif
};
int shmem_init_fs_context(struct fs_context *fc)
@@ -4323,3 +4293,47 @@ struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
#endif
}
EXPORT_SYMBOL_GPL(shmem_read_mapping_page_gfp);
+
+void shmem_mark_page_lazyfree(struct page *page, bool tail)
+{
+ mark_page_lazyfree_movetail(page, tail);
+}
+EXPORT_SYMBOL_GPL(shmem_mark_page_lazyfree);
+
+int reclaim_shmem_address_space(struct address_space *mapping)
+{
+ pgoff_t start = 0;
+ struct page *page;
+ LIST_HEAD(page_list);
+ int reclaimed;
+ XA_STATE(xas, &mapping->i_pages, start);
+
+ if (!shmem_mapping(mapping))
+ return -EINVAL;
+
+ lru_add_drain();
+
+ rcu_read_lock();
+ xas_for_each(&xas, page, ULONG_MAX) {
+ if (xas_retry(&xas, page))
+ continue;
+ if (xa_is_value(page))
+ continue;
+ if (isolate_lru_page(page))
+ continue;
+
+ list_add(&page->lru, &page_list);
+ inc_node_page_state(page, NR_ISOLATED_ANON +
+ page_is_file_lru(page));
+
+ if (need_resched()) {
+ xas_pause(&xas);
+ cond_resched_rcu();
+ }
+ }
+ rcu_read_unlock();
+ reclaimed = reclaim_pages_from_list(&page_list);
+
+ return reclaimed;
+}
+EXPORT_SYMBOL_GPL(reclaim_shmem_address_space);
diff --git a/mm/slab.c b/mm/slab.c
index b2cc2cf..eced754 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -100,6 +100,7 @@
#include <linux/seq_file.h>
#include <linux/notifier.h>
#include <linux/kallsyms.h>
+#include <linux/kfence.h>
#include <linux/cpu.h>
#include <linux/sysctl.h>
#include <linux/module.h>
@@ -1434,7 +1435,7 @@ static void slab_kernel_map(struct kmem_cache *cachep, void *objp, int map)
if (!is_debug_pagealloc_cache(cachep))
return;
- kernel_map_pages(virt_to_page(objp), cachep->size / PAGE_SIZE, map);
+ __kernel_map_pages(virt_to_page(objp), cachep->size / PAGE_SIZE, map);
}
#else
@@ -3207,19 +3208,24 @@ static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags,
}
static __always_inline void *
-slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
+slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, size_t orig_size,
unsigned long caller)
{
unsigned long save_flags;
void *ptr;
int slab_node = numa_mem_id();
struct obj_cgroup *objcg = NULL;
+ bool init = false;
flags &= gfp_allowed_mask;
cachep = slab_pre_alloc_hook(cachep, &objcg, 1, flags);
if (unlikely(!cachep))
return NULL;
+ ptr = kfence_alloc(cachep, orig_size, flags);
+ if (unlikely(ptr))
+ goto out_hooks;
+
cache_alloc_debugcheck_before(cachep, flags);
local_irq_save(save_flags);
@@ -3248,11 +3254,10 @@ slab_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
out:
local_irq_restore(save_flags);
ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller);
+ init = slab_want_init_on_alloc(flags, cachep);
- if (unlikely(slab_want_init_on_alloc(flags, cachep)) && ptr)
- memset(ptr, 0, cachep->object_size);
-
- slab_post_alloc_hook(cachep, objcg, flags, 1, &ptr);
+out_hooks:
+ slab_post_alloc_hook(cachep, objcg, flags, 1, &ptr, init);
return ptr;
}
@@ -3289,28 +3294,32 @@ __do_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
#endif /* CONFIG_NUMA */
static __always_inline void *
-slab_alloc(struct kmem_cache *cachep, gfp_t flags, unsigned long caller)
+slab_alloc(struct kmem_cache *cachep, gfp_t flags, size_t orig_size, unsigned long caller)
{
unsigned long save_flags;
void *objp;
struct obj_cgroup *objcg = NULL;
+ bool init = false;
flags &= gfp_allowed_mask;
cachep = slab_pre_alloc_hook(cachep, &objcg, 1, flags);
if (unlikely(!cachep))
return NULL;
+ objp = kfence_alloc(cachep, orig_size, flags);
+ if (unlikely(objp))
+ goto out;
+
cache_alloc_debugcheck_before(cachep, flags);
local_irq_save(save_flags);
objp = __do_cache_alloc(cachep, flags);
local_irq_restore(save_flags);
objp = cache_alloc_debugcheck_after(cachep, flags, objp, caller);
prefetchw(objp);
+ init = slab_want_init_on_alloc(flags, cachep);
- if (unlikely(slab_want_init_on_alloc(flags, cachep)) && objp)
- memset(objp, 0, cachep->object_size);
-
- slab_post_alloc_hook(cachep, objcg, flags, 1, &objp);
+out:
+ slab_post_alloc_hook(cachep, objcg, flags, 1, &objp, init);
return objp;
}
@@ -3415,8 +3424,24 @@ static void cache_flusharray(struct kmem_cache *cachep, struct array_cache *ac)
static __always_inline void __cache_free(struct kmem_cache *cachep, void *objp,
unsigned long caller)
{
- /* Put the object into the quarantine, don't touch it for now. */
- if (kasan_slab_free(cachep, objp, _RET_IP_))
+ bool init;
+
+ if (is_kfence_address(objp)) {
+ kmemleak_free_recursive(objp, cachep->flags);
+ __kfence_free(objp);
+ return;
+ }
+
+ /*
+ * As memory initialization might be integrated into KASAN,
+ * kasan_slab_free and initialization memset must be
+ * kept together to avoid discrepancies in behavior.
+ */
+ init = slab_want_init_on_free(cachep);
+ if (init && !kasan_has_integrated_init())
+ memset(objp, 0, cachep->object_size);
+ /* KASAN might put objp into memory quarantine, delaying its reuse. */
+ if (kasan_slab_free(cachep, objp, init))
return;
/* Use KCSAN to help debug racy use-after-free. */
@@ -3433,8 +3458,6 @@ void ___cache_free(struct kmem_cache *cachep, void *objp,
struct array_cache *ac = cpu_cache_get(cachep);
check_irq_off();
- if (unlikely(slab_want_init_on_free(cachep)))
- memset(objp, 0, cachep->object_size);
kmemleak_free_recursive(objp, cachep->flags);
objp = cache_free_debugcheck(cachep, objp, caller);
memcg_slab_free_hook(cachep, &objp, 1);
@@ -3480,7 +3503,7 @@ void ___cache_free(struct kmem_cache *cachep, void *objp,
*/
void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
{
- void *ret = slab_alloc(cachep, flags, _RET_IP_);
+ void *ret = slab_alloc(cachep, flags, cachep->object_size, _RET_IP_);
trace_kmem_cache_alloc(_RET_IP_, ret,
cachep->object_size, cachep->size, flags);
@@ -3513,7 +3536,7 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
local_irq_disable();
for (i = 0; i < size; i++) {
- void *objp = __do_cache_alloc(s, flags);
+ void *objp = kfence_alloc(s, s->object_size, flags) ?: __do_cache_alloc(s, flags);
if (unlikely(!objp))
goto error;
@@ -3523,18 +3546,18 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
cache_alloc_debugcheck_after_bulk(s, flags, size, p, _RET_IP_);
- /* Clear memory outside IRQ disabled section */
- if (unlikely(slab_want_init_on_alloc(flags, s)))
- for (i = 0; i < size; i++)
- memset(p[i], 0, s->object_size);
-
- slab_post_alloc_hook(s, objcg, flags, size, p);
+ /*
+ * memcg and kmem_cache debug support and memory initialization.
+ * Done outside of the IRQ disabled section.
+ */
+ slab_post_alloc_hook(s, objcg, flags, size, p,
+ slab_want_init_on_alloc(flags, s));
/* FIXME: Trace call missing. Christoph would like a bulk variant */
return size;
error:
local_irq_enable();
cache_alloc_debugcheck_after_bulk(s, flags, i, p, _RET_IP_);
- slab_post_alloc_hook(s, objcg, flags, i, p);
+ slab_post_alloc_hook(s, objcg, flags, i, p, false);
__kmem_cache_free_bulk(s, i, p);
return 0;
}
@@ -3546,7 +3569,7 @@ kmem_cache_alloc_trace(struct kmem_cache *cachep, gfp_t flags, size_t size)
{
void *ret;
- ret = slab_alloc(cachep, flags, _RET_IP_);
+ ret = slab_alloc(cachep, flags, size, _RET_IP_);
ret = kasan_kmalloc(cachep, ret, size, flags);
trace_kmalloc(_RET_IP_, ret,
@@ -3572,7 +3595,7 @@ EXPORT_SYMBOL(kmem_cache_alloc_trace);
*/
void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
{
- void *ret = slab_alloc_node(cachep, flags, nodeid, _RET_IP_);
+ void *ret = slab_alloc_node(cachep, flags, nodeid, cachep->object_size, _RET_IP_);
trace_kmem_cache_alloc_node(_RET_IP_, ret,
cachep->object_size, cachep->size,
@@ -3590,7 +3613,7 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *cachep,
{
void *ret;
- ret = slab_alloc_node(cachep, flags, nodeid, _RET_IP_);
+ ret = slab_alloc_node(cachep, flags, nodeid, size, _RET_IP_);
ret = kasan_kmalloc(cachep, ret, size, flags);
trace_kmalloc_node(_RET_IP_, ret,
@@ -3651,7 +3674,7 @@ static __always_inline void *__do_kmalloc(size_t size, gfp_t flags,
cachep = kmalloc_slab(size, flags);
if (unlikely(ZERO_OR_NULL_PTR(cachep)))
return cachep;
- ret = slab_alloc(cachep, flags, caller);
+ ret = slab_alloc(cachep, flags, size, caller);
ret = kasan_kmalloc(cachep, ret, size, flags);
trace_kmalloc(caller, ret,
@@ -4040,6 +4063,7 @@ void get_slabinfo(struct kmem_cache *cachep, struct slabinfo *sinfo)
sinfo->objects_per_slab = cachep->num;
sinfo->cache_order = cachep->gfporder;
}
+EXPORT_SYMBOL_GPL(get_slabinfo);
void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep)
{
@@ -4150,7 +4174,10 @@ void __check_heap_object(const void *ptr, unsigned long n, struct page *page,
BUG_ON(objnr >= cachep->num);
/* Find offset within object. */
- offset = ptr - index_to_obj(cachep, page, objnr) - obj_offset(cachep);
+ if (is_kfence_address(ptr))
+ offset = ptr - kfence_object_start(ptr);
+ else
+ offset = ptr - index_to_obj(cachep, page, objnr) - obj_offset(cachep);
/* Allow address range falling entirely within usercopy region. */
if (offset >= cachep->useroffset &&
diff --git a/mm/slab.h b/mm/slab.h
index 6952e10..4738d19 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -46,6 +46,7 @@ struct kmem_cache {
#include <linux/kmemleak.h>
#include <linux/random.h>
#include <linux/sched/mm.h>
+#include <linux/android_vendor.h>
/*
* State of the slab allocator.
@@ -91,6 +92,27 @@ struct kmem_cache *kmalloc_slab(size_t, gfp_t);
gfp_t kmalloc_fix_flags(gfp_t flags);
+#ifdef CONFIG_SLUB
+/*
+ * Tracking user of a slab.
+ */
+#define TRACK_ADDRS_COUNT 16
+struct track {
+ unsigned long addr; /* Called from address */
+#ifdef CONFIG_STACKTRACE
+ unsigned long addrs[TRACK_ADDRS_COUNT]; /* Called from address */
+#endif
+ int cpu; /* Was running on cpu */
+ int pid; /* Pid context */
+ unsigned long when; /* When did the operation occur */
+#ifdef CONFIG_STACKTRACE
+ ANDROID_OEM_DATA(1);
+#endif
+};
+
+enum track_item { TRACK_ALLOC, TRACK_FREE };
+#endif
+
/* Functions provided by the slab allocators */
int __kmem_cache_create(struct kmem_cache *, slab_flags_t flags);
@@ -215,10 +237,32 @@ DECLARE_STATIC_KEY_TRUE(slub_debug_enabled);
DECLARE_STATIC_KEY_FALSE(slub_debug_enabled);
#endif
extern void print_tracking(struct kmem_cache *s, void *object);
+extern unsigned long get_each_object_track(struct kmem_cache *s,
+ struct page *page, enum track_item alloc,
+ int (*fn)(const struct kmem_cache *, const void *,
+ const struct track *, void *), void *private);
+extern slab_flags_t slub_debug;
+static inline bool __slub_debug_enabled(void)
+{
+ return static_branch_unlikely(&slub_debug_enabled);
+}
#else
static inline void print_tracking(struct kmem_cache *s, void *object)
{
}
+static inline bool __slub_debug_enabled(void)
+{
+ return false;
+}
+#ifdef CONFIG_SLUB
+static inline unsigned long get_each_object_track(struct kmem_cache *s,
+ struct page *page, enum track_item alloc,
+ int (*fn)(const struct kmem_cache *, const void *,
+ const struct track *, void *), void *private)
+{
+ return 0;
+}
+#endif
#endif
/*
@@ -228,11 +272,10 @@ static inline void print_tracking(struct kmem_cache *s, void *object)
*/
static inline bool kmem_cache_debug_flags(struct kmem_cache *s, slab_flags_t flags)
{
-#ifdef CONFIG_SLUB_DEBUG
- VM_WARN_ON_ONCE(!(flags & SLAB_DEBUG_FLAGS));
- if (static_branch_unlikely(&slub_debug_enabled))
+ if (IS_ENABLED(CONFIG_SLUB_DEBUG))
+ VM_WARN_ON_ONCE(!(flags & SLAB_DEBUG_FLAGS));
+ if (__slub_debug_enabled())
return s->flags & flags;
-#endif
return false;
}
@@ -522,15 +565,24 @@ static inline struct kmem_cache *slab_pre_alloc_hook(struct kmem_cache *s,
}
static inline void slab_post_alloc_hook(struct kmem_cache *s,
- struct obj_cgroup *objcg,
- gfp_t flags, size_t size, void **p)
+ struct obj_cgroup *objcg, gfp_t flags,
+ size_t size, void **p, bool init)
{
size_t i;
flags &= gfp_allowed_mask;
+
+ /*
+ * As memory initialization might be integrated into KASAN,
+ * kasan_slab_alloc and initialization memset must be
+ * kept together to avoid discrepancies in behavior.
+ *
+ * As p[i] might get tagged, memset and kmemleak hook come after KASAN.
+ */
for (i = 0; i < size; i++) {
- p[i] = kasan_slab_alloc(s, p[i], flags);
- /* As p[i] might get tagged, call kmemleak hook after KASAN. */
+ p[i] = kasan_slab_alloc(s, p[i], flags, init);
+ if (p[i] && init && !kasan_has_integrated_init())
+ memset(p[i], 0, s->object_size);
kmemleak_alloc_recursive(p[i], s->object_size, 1,
s->flags, flags);
}
@@ -635,4 +687,10 @@ static inline bool slab_want_init_on_free(struct kmem_cache *c)
return false;
}
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_SLUB_DEBUG)
+void debugfs_slab_release(struct kmem_cache *);
+#else
+static inline void debugfs_slab_release(struct kmem_cache *s) { }
+#endif
+
#endif /* MM_SLAB_H */
diff --git a/mm/slab_common.c b/mm/slab_common.c
index ec83290..6a04bfa 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -12,12 +12,14 @@
#include <linux/memory.h>
#include <linux/cache.h>
#include <linux/compiler.h>
+#include <linux/kfence.h>
#include <linux/module.h>
#include <linux/cpu.h>
#include <linux/uaccess.h>
#include <linux/seq_file.h>
#include <linux/proc_fs.h>
#include <linux/debugfs.h>
+#include <linux/kasan.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/page.h>
@@ -25,7 +27,8 @@
#define CREATE_TRACE_POINTS
#include <trace/events/kmem.h>
-
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/mm.h>
#include "internal.h"
#include "slab.h"
@@ -53,7 +56,7 @@ static DECLARE_WORK(slab_caches_to_rcu_destroy_work,
*/
#define SLAB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
SLAB_TRACE | SLAB_TYPESAFE_BY_RCU | SLAB_NOLEAKTRACE | \
- SLAB_FAILSLAB | SLAB_KASAN)
+ SLAB_FAILSLAB | kasan_never_merge())
#define SLAB_MERGE_SAME (SLAB_RECLAIM_ACCOUNT | SLAB_CACHE_DMA | \
SLAB_CACHE_DMA32 | SLAB_ACCOUNT)
@@ -310,6 +313,16 @@ kmem_cache_create_usercopy(const char *name,
get_online_cpus();
get_online_mems();
+#ifdef CONFIG_SLUB_DEBUG
+ /*
+ * If no slub_debug was enabled globally, the static key is not yet
+ * enabled by setup_slub_debug(). Enable it if the cache is being
+ * created with any of the debugging flags passed explicitly.
+ */
+ if (flags & SLAB_DEBUG_FLAGS)
+ static_branch_enable(&slub_debug_enabled);
+#endif
+
mutex_lock(&slab_mutex);
err = kmem_cache_sanity_check(name, size);
@@ -434,6 +447,8 @@ static void slab_caches_to_rcu_destroy_workfn(struct work_struct *work)
rcu_barrier();
list_for_each_entry_safe(s, s2, &to_destroy, list) {
+ debugfs_slab_release(s);
+ kfence_shutdown_cache(s);
#ifdef SLAB_SUPPORTS_SYSFS
sysfs_slab_release(s);
#else
@@ -459,6 +474,8 @@ static int shutdown_cache(struct kmem_cache *s)
list_add_tail(&s->list, &slab_caches_to_rcu_destroy);
schedule_work(&slab_caches_to_rcu_destroy_work);
} else {
+ kfence_shutdown_cache(s);
+ debugfs_slab_release(s);
#ifdef SLAB_SUPPORTS_SYSFS
sysfs_slab_unlink(s);
sysfs_slab_release(s);
@@ -577,6 +594,7 @@ struct kmem_cache *__init create_kmalloc_cache(const char *name,
panic("Out of memory when creating slab %s\n", name);
create_boot_cache(s, name, size, flags, useroffset, usersize);
+ kasan_cache_create_kmalloc(s);
list_add(&s->list, &slab_caches);
s->refcount = 1;
return s;
@@ -632,6 +650,7 @@ static inline unsigned int size_index_elem(unsigned int bytes)
struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags)
{
unsigned int index;
+ struct kmem_cache *s = NULL;
if (size <= 192) {
if (!size)
@@ -644,6 +663,10 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags)
index = fls(size - 1);
}
+ trace_android_vh_kmalloc_slab(index, flags, &s);
+ if (s)
+ return s;
+
return kmalloc_caches[kmalloc_type(flags)][index];
}
@@ -927,6 +950,7 @@ static void print_slabinfo_header(struct seq_file *m)
seq_puts(m, " : globalstat <listallocs> <maxobjs> <grown> <reaped> <error> <maxfreeable> <nodeallocs> <remotefrees> <alienoverflow>");
seq_puts(m, " : cpustat <allochit> <allocmiss> <freehit> <freemiss>");
#endif
+ trace_android_vh_print_slabinfo_header(m);
seq_putc(m, '\n');
}
@@ -962,6 +986,7 @@ static void cache_show(struct kmem_cache *s, struct seq_file *m)
seq_printf(m, " : slabdata %6lu %6lu %6lu",
sinfo.active_slabs, sinfo.num_slabs, sinfo.shared_avail);
slabinfo_show_stats(m, s);
+ trace_android_vh_cache_show(m, &sinfo, s);
seq_putc(m, '\n');
}
@@ -1069,16 +1094,27 @@ static __always_inline void *__do_krealloc(const void *p, size_t new_size,
void *ret;
size_t ks;
- ks = ksize(p);
+ /* Don't use instrumented ksize to allow precise KASAN poisoning. */
+ if (likely(!ZERO_OR_NULL_PTR(p))) {
+ if (!kasan_check_byte(p))
+ return NULL;
+ ks = kfence_ksize(p) ?: __ksize(p);
+ } else
+ ks = 0;
+ /* If the object still fits, repoison it precisely. */
if (ks >= new_size) {
p = kasan_krealloc((void *)p, new_size, flags);
return (void *)p;
}
ret = kmalloc_track_caller(new_size, flags);
- if (ret && p)
- memcpy(ret, p, ks);
+ if (ret && p) {
+ /* Disable KASAN checks as the object's redzone is accessed. */
+ kasan_disable_current();
+ memcpy(ret, kasan_reset_tag(p), ks);
+ kasan_enable_current();
+ }
return ret;
}
@@ -1155,27 +1191,29 @@ size_t ksize(const void *objp)
size_t size;
/*
- * We need to check that the pointed to object is valid, and only then
- * unpoison the shadow memory below. We use __kasan_check_read(), to
- * generate a more useful report at the time ksize() is called (rather
- * than later where behaviour is undefined due to potential
- * use-after-free or double-free).
+ * We need to first check that the pointer to the object is valid, and
+ * only then unpoison the memory. The report printed from ksize() is
+ * more useful, then when it's printed later when the behaviour could
+ * be undefined due to a potential use-after-free or double-free.
*
- * If the pointed to memory is invalid we return 0, to avoid users of
+ * We use kasan_check_byte(), which is supported for the hardware
+ * tag-based KASAN mode, unlike kasan_check_read/write().
+ *
+ * If the pointed to memory is invalid, we return 0 to avoid users of
* ksize() writing to and potentially corrupting the memory region.
*
* We want to perform the check before __ksize(), to avoid potentially
* crashing in __ksize() due to accessing invalid metadata.
*/
- if (unlikely(ZERO_OR_NULL_PTR(objp)) || !__kasan_check_read(objp, 1))
+ if (unlikely(ZERO_OR_NULL_PTR(objp)) || !kasan_check_byte(objp))
return 0;
- size = __ksize(objp);
+ size = kfence_ksize(objp) ?: __ksize(objp);
/*
* We assume that ksize callers could use whole allocated area,
* so we need to unpoison this area.
*/
- kasan_unpoison_shadow(objp, size);
+ kasan_unpoison_range(objp, size);
return size;
}
EXPORT_SYMBOL(ksize);
diff --git a/mm/slub.c b/mm/slub.c
index 1384dc9..e585d6e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -28,6 +28,7 @@
#include <linux/ctype.h>
#include <linux/debugobjects.h>
#include <linux/kallsyms.h>
+#include <linux/kfence.h>
#include <linux/memory.h>
#include <linux/math64.h>
#include <linux/fault-inject.h>
@@ -36,7 +37,9 @@
#include <linux/memcontrol.h>
#include <linux/random.h>
+#include <linux/debugfs.h>
#include <trace/events/kmem.h>
+#include <trace/hooks/mm.h>
#include "internal.h"
@@ -200,22 +203,6 @@ static inline bool kmem_cache_has_cpu_partial(struct kmem_cache *s)
/* Use cmpxchg_double */
#define __CMPXCHG_DOUBLE ((slab_flags_t __force)0x40000000U)
-/*
- * Tracking user of a slab.
- */
-#define TRACK_ADDRS_COUNT 16
-struct track {
- unsigned long addr; /* Called from address */
-#ifdef CONFIG_STACKTRACE
- unsigned long addrs[TRACK_ADDRS_COUNT]; /* Called from address */
-#endif
- int cpu; /* Was running on cpu */
- int pid; /* Pid context */
- unsigned long when; /* When did the operation occur */
-};
-
-enum track_item { TRACK_ALLOC, TRACK_FREE };
-
#ifdef CONFIG_SYSFS
static int sysfs_slab_add(struct kmem_cache *);
static int sysfs_slab_alias(struct kmem_cache *, const char *);
@@ -225,6 +212,12 @@ static inline int sysfs_slab_alias(struct kmem_cache *s, const char *p)
{ return 0; }
#endif
+#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_SLUB_DEBUG)
+static void debugfs_slab_add(struct kmem_cache *);
+#else
+static inline void debugfs_slab_add(struct kmem_cache *s) { }
+#endif
+
static inline void stat(const struct kmem_cache *s, enum stat_item si)
{
#ifdef CONFIG_SLUB_STATS
@@ -250,7 +243,7 @@ static inline void *freelist_ptr(const struct kmem_cache *s, void *ptr,
{
#ifdef CONFIG_SLAB_FREELIST_HARDENED
/*
- * When CONFIG_KASAN_SW_TAGS is enabled, ptr_addr might be tagged.
+ * When CONFIG_KASAN_SW/HW_TAGS is enabled, ptr_addr might be tagged.
* Normally, this doesn't cause any issues, as both set_freepointer()
* and get_freepointer() are called with a pointer with the same tag.
* However, there are some issues with CONFIG_SLUB_DEBUG code. For
@@ -276,6 +269,7 @@ static inline void *freelist_dereference(const struct kmem_cache *s,
static inline void *get_freepointer(struct kmem_cache *s, void *object)
{
+ object = kasan_reset_tag(object);
return freelist_dereference(s, object + s->offset);
}
@@ -292,6 +286,7 @@ static inline void *get_freepointer_safe(struct kmem_cache *s, void *object)
if (!debug_pagealloc_enabled_static())
return get_freepointer(s, object);
+ object = kasan_reset_tag(object);
freepointer_addr = (unsigned long)object + s->offset;
copy_from_kernel_nofault(&p, (void **)freepointer_addr, sizeof(p));
return freelist_ptr(s, p, freepointer_addr);
@@ -305,6 +300,7 @@ static inline void set_freepointer(struct kmem_cache *s, void *object, void *fp)
BUG_ON(object == fp); /* naive detection of double free or corruption */
#endif
+ freeptr_addr = (unsigned long)kasan_reset_tag((void *)freeptr_addr);
*(void **)freeptr_addr = freelist_ptr(s, fp, freeptr_addr);
}
@@ -487,9 +483,9 @@ static inline void *restore_red_left(struct kmem_cache *s, void *p)
* Debug settings:
*/
#if defined(CONFIG_SLUB_DEBUG_ON)
-static slab_flags_t slub_debug = DEBUG_DEFAULT_FLAGS;
+slab_flags_t slub_debug = DEBUG_DEFAULT_FLAGS;
#else
-static slab_flags_t slub_debug;
+slab_flags_t slub_debug;
#endif
static char *slub_debug_string;
@@ -539,8 +535,8 @@ static void print_section(char *level, char *text, u8 *addr,
unsigned int length)
{
metadata_access_enable();
- print_hex_dump(level, text, DUMP_PREFIX_ADDRESS, 16, 1, addr,
- length, 1);
+ print_hex_dump(level, text, DUMP_PREFIX_ADDRESS,
+ 16, 1, kasan_reset_tag((void *)addr), length, 1);
metadata_access_disable();
}
@@ -571,9 +567,42 @@ static struct track *get_track(struct kmem_cache *s, void *object,
p = object + get_info_end(s);
- return p + alloc;
+ return kasan_reset_tag(p + alloc);
}
+/*
+ * This function will be used to loop through all the slab objects in
+ * a page to give track structure for each object, the function fn will
+ * be using this track structure and extract required info into its private
+ * data, the return value will be the number of track structures that are
+ * processed.
+ */
+unsigned long get_each_object_track(struct kmem_cache *s,
+ struct page *page, enum track_item alloc,
+ int (*fn)(const struct kmem_cache *, const void *,
+ const struct track *, void *), void *private)
+{
+ void *p;
+ struct track *t;
+ int ret;
+ unsigned long num_track = 0;
+
+ if (!slub_debug || !(s->flags & SLAB_STORE_USER))
+ return 0;
+
+ slab_lock(page);
+ for_each_object(p, s, page_address(page), page->objects) {
+ t = get_track(s, p, alloc);
+ ret = fn(s, p, t, private);
+ if (ret < 0)
+ break;
+ num_track += 1;
+ }
+ slab_unlock(page);
+ return num_track;
+}
+EXPORT_SYMBOL_GPL(get_each_object_track);
+
static void set_track(struct kmem_cache *s, void *object,
enum track_item alloc, unsigned long addr)
{
@@ -584,11 +613,14 @@ static void set_track(struct kmem_cache *s, void *object,
unsigned int nr_entries;
metadata_access_enable();
- nr_entries = stack_trace_save(p->addrs, TRACK_ADDRS_COUNT, 3);
+ nr_entries = stack_trace_save(kasan_reset_tag(p->addrs),
+ TRACK_ADDRS_COUNT, 3);
metadata_access_disable();
if (nr_entries < TRACK_ADDRS_COUNT)
p->addrs[nr_entries] = 0;
+ trace_android_vh_save_track_hash(alloc == TRACK_ALLOC,
+ (unsigned long)p);
#endif
p->addr = addr;
p->cpu = smp_processor_id();
@@ -655,8 +687,6 @@ static void slab_bug(struct kmem_cache *s, char *fmt, ...)
pr_err("=============================================================================\n");
pr_err("BUG %s (%s): %pV\n", s->name, print_tainted(), &vaf);
pr_err("-----------------------------------------------------------------------------\n\n");
-
- add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
va_end(args);
}
@@ -730,6 +760,7 @@ void object_err(struct kmem_cache *s, struct page *page,
{
slab_bug(s, "%s", reason);
print_trailer(s, page, object);
+ add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
}
static __printf(3, 4) void slab_err(struct kmem_cache *s, struct page *page,
@@ -744,11 +775,12 @@ static __printf(3, 4) void slab_err(struct kmem_cache *s, struct page *page,
slab_bug(s, "%s", buf);
print_page_info(page);
dump_stack();
+ add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
}
static void init_object(struct kmem_cache *s, void *object, u8 val)
{
- u8 *p = object;
+ u8 *p = kasan_reset_tag(object);
if (s->flags & SLAB_RED_ZONE)
memset(p - s->red_left_pad, val, s->red_left_pad);
@@ -778,7 +810,7 @@ static int check_bytes_and_report(struct kmem_cache *s, struct page *page,
u8 *addr = page_address(page);
metadata_access_enable();
- fault = memchr_inv(start, value, bytes);
+ fault = memchr_inv(kasan_reset_tag(start), value, bytes);
metadata_access_disable();
if (!fault)
return 1;
@@ -792,6 +824,7 @@ static int check_bytes_and_report(struct kmem_cache *s, struct page *page,
fault, end - 1, fault - addr,
fault[0], value);
print_trailer(s, page, object);
+ add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
restore_bytes(s, what, value, fault, end);
return 0;
@@ -874,7 +907,7 @@ static int slab_pad_check(struct kmem_cache *s, struct page *page)
pad = end - remainder;
metadata_access_enable();
- fault = memchr_inv(pad, POISON_INUSE, remainder);
+ fault = memchr_inv(kasan_reset_tag(pad), POISON_INUSE, remainder);
metadata_access_disable();
if (!fault)
return 1;
@@ -1119,7 +1152,7 @@ void setup_page_debug(struct kmem_cache *s, struct page *page, void *addr)
return;
metadata_access_enable();
- memset(addr, POISON_INUSE, page_size(page));
+ memset(kasan_reset_tag(addr), POISON_INUSE, page_size(page));
metadata_access_disable();
}
@@ -1346,12 +1379,13 @@ parse_slub_debug_flags(char *str, slab_flags_t *flags, char **slabs, bool init)
static int __init setup_slub_debug(char *str)
{
slab_flags_t flags;
+ slab_flags_t global_flags;
char *saved_str;
char *slab_list;
bool global_slub_debug_changed = false;
bool slab_list_specified = false;
- slub_debug = DEBUG_DEFAULT_FLAGS;
+ global_flags = DEBUG_DEFAULT_FLAGS;
if (*str++ != '=' || !*str)
/*
* No options specified. Switch on full debugging.
@@ -1363,7 +1397,7 @@ static int __init setup_slub_debug(char *str)
str = parse_slub_debug_flags(str, &flags, &slab_list, true);
if (!slab_list) {
- slub_debug = flags;
+ global_flags = flags;
global_slub_debug_changed = true;
} else {
slab_list_specified = true;
@@ -1372,16 +1406,18 @@ static int __init setup_slub_debug(char *str)
/*
* For backwards compatibility, a single list of flags with list of
- * slabs means debugging is only enabled for those slabs, so the global
- * slub_debug should be 0. We can extended that to multiple lists as
+ * slabs means debugging is only changed for those slabs, so the global
+ * slub_debug should be unchanged (0 or DEBUG_DEFAULT_FLAGS, depending
+ * on CONFIG_SLUB_DEBUG_ON). We can extended that to multiple lists as
* long as there is no option specifying flags without a slab list.
*/
if (slab_list_specified) {
if (!global_slub_debug_changed)
- slub_debug = 0;
+ global_flags = slub_debug;
slub_debug_string = saved_str;
}
out:
+ slub_debug = global_flags;
if (slub_debug != 0 || slub_debug_string)
static_branch_enable(&slub_debug_enabled);
if ((static_branch_unlikely(&init_on_alloc) ||
@@ -1509,10 +1545,11 @@ static inline void *kmalloc_large_node_hook(void *ptr, size_t size, gfp_t flags)
static __always_inline void kfree_hook(void *x)
{
kmemleak_free(x);
- kasan_kfree_large(x, _RET_IP_);
+ kasan_kfree_large(x);
}
-static __always_inline bool slab_free_hook(struct kmem_cache *s, void *x)
+static __always_inline bool slab_free_hook(struct kmem_cache *s,
+ void *x, bool init)
{
kmemleak_free_recursive(x, s->flags);
@@ -1538,8 +1575,25 @@ static __always_inline bool slab_free_hook(struct kmem_cache *s, void *x)
__kcsan_check_access(x, s->object_size,
KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ASSERT);
- /* KASAN might put x into memory quarantine, delaying its reuse */
- return kasan_slab_free(s, x, _RET_IP_);
+ /*
+ * As memory initialization might be integrated into KASAN,
+ * kasan_slab_free and initialization memset's must be
+ * kept together to avoid discrepancies in behavior.
+ *
+ * The initialization memset's clear the object and the metadata,
+ * but don't touch the SLAB redzone.
+ */
+ if (init) {
+ int rsize;
+
+ if (!kasan_has_integrated_init())
+ memset(kasan_reset_tag(x), 0, s->object_size);
+ rsize = (s->flags & SLAB_RED_ZONE) ? s->red_left_pad : 0;
+ memset((char *)kasan_reset_tag(x) + s->inuse, 0,
+ s->size - s->inuse - rsize);
+ }
+ /* KASAN might put x into memory quarantine, delaying its reuse. */
+ return kasan_slab_free(s, x, init);
}
static inline bool slab_free_freelist_hook(struct kmem_cache *s,
@@ -1550,7 +1604,11 @@ static inline bool slab_free_freelist_hook(struct kmem_cache *s,
void *object;
void *next = *head;
void *old_tail = *tail ? *tail : *head;
- int rsize;
+
+ if (is_kfence_address(next)) {
+ slab_free_hook(s, next, false);
+ return true;
+ }
/* Head and tail of the reconstructed freelist */
*head = NULL;
@@ -1560,20 +1618,8 @@ static inline bool slab_free_freelist_hook(struct kmem_cache *s,
object = next;
next = get_freepointer(s, object);
- if (slab_want_init_on_free(s)) {
- /*
- * Clear the object and the metadata, but don't touch
- * the redzone.
- */
- memset(object, 0, s->object_size);
- rsize = (s->flags & SLAB_RED_ZONE) ? s->red_left_pad
- : 0;
- memset((char *)object + s->inuse, 0,
- s->size - s->inuse - rsize);
-
- }
/* If object's reuse doesn't have to be delayed */
- if (!slab_free_hook(s, object)) {
+ if (!slab_free_hook(s, object, slab_want_init_on_free(s))) {
/* Move object to the new freelist */
set_freepointer(s, object, *head);
*head = object;
@@ -2796,7 +2842,8 @@ static __always_inline void maybe_wipe_obj_freeptr(struct kmem_cache *s,
void *obj)
{
if (unlikely(slab_want_init_on_free(s)) && obj)
- memset((void *)((char *)obj + s->offset), 0, sizeof(void *));
+ memset((void *)((char *)kasan_reset_tag(obj) + s->offset),
+ 0, sizeof(void *));
}
/*
@@ -2810,17 +2857,23 @@ static __always_inline void maybe_wipe_obj_freeptr(struct kmem_cache *s,
* Otherwise we can simply pick the next object from the lockless free list.
*/
static __always_inline void *slab_alloc_node(struct kmem_cache *s,
- gfp_t gfpflags, int node, unsigned long addr)
+ gfp_t gfpflags, int node, unsigned long addr, size_t orig_size)
{
void *object;
struct kmem_cache_cpu *c;
struct page *page;
unsigned long tid;
struct obj_cgroup *objcg = NULL;
+ bool init = false;
s = slab_pre_alloc_hook(s, &objcg, 1, gfpflags);
if (!s)
return NULL;
+
+ object = kfence_alloc(s, orig_size, gfpflags);
+ if (unlikely(object))
+ goto out;
+
redo:
/*
* Must read kmem_cache cpu data via this cpu ptr. Preemption is
@@ -2889,24 +2942,23 @@ static __always_inline void *slab_alloc_node(struct kmem_cache *s,
}
maybe_wipe_obj_freeptr(s, object);
+ init = slab_want_init_on_alloc(gfpflags, s);
- if (unlikely(slab_want_init_on_alloc(gfpflags, s)) && object)
- memset(object, 0, s->object_size);
-
- slab_post_alloc_hook(s, objcg, gfpflags, 1, &object);
+out:
+ slab_post_alloc_hook(s, objcg, gfpflags, 1, &object, init);
return object;
}
static __always_inline void *slab_alloc(struct kmem_cache *s,
- gfp_t gfpflags, unsigned long addr)
+ gfp_t gfpflags, unsigned long addr, size_t orig_size)
{
- return slab_alloc_node(s, gfpflags, NUMA_NO_NODE, addr);
+ return slab_alloc_node(s, gfpflags, NUMA_NO_NODE, addr, orig_size);
}
void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
{
- void *ret = slab_alloc(s, gfpflags, _RET_IP_);
+ void *ret = slab_alloc(s, gfpflags, _RET_IP_, s->object_size);
trace_kmem_cache_alloc(_RET_IP_, ret, s->object_size,
s->size, gfpflags);
@@ -2918,7 +2970,7 @@ EXPORT_SYMBOL(kmem_cache_alloc);
#ifdef CONFIG_TRACING
void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
{
- void *ret = slab_alloc(s, gfpflags, _RET_IP_);
+ void *ret = slab_alloc(s, gfpflags, _RET_IP_, size);
trace_kmalloc(_RET_IP_, ret, size, s->size, gfpflags);
ret = kasan_kmalloc(s, ret, size, gfpflags);
return ret;
@@ -2929,7 +2981,7 @@ EXPORT_SYMBOL(kmem_cache_alloc_trace);
#ifdef CONFIG_NUMA
void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
{
- void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
+ void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_, s->object_size);
trace_kmem_cache_alloc_node(_RET_IP_, ret,
s->object_size, s->size, gfpflags, node);
@@ -2943,7 +2995,7 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
gfp_t gfpflags,
int node, size_t size)
{
- void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
+ void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_, size);
trace_kmalloc_node(_RET_IP_, ret,
size, s->size, gfpflags, node);
@@ -2977,6 +3029,9 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
stat(s, FREE_SLOWPATH);
+ if (kfence_free(head))
+ return;
+
if (kmem_cache_debug(s) &&
!free_debug_processing(s, page, head, tail, cnt, addr))
return;
@@ -3223,6 +3278,13 @@ int build_detached_freelist(struct kmem_cache *s, size_t size,
df->s = cache_from_obj(s, object); /* Support for memcg */
}
+ if (is_kfence_address(object)) {
+ slab_free_hook(df->s, object, false);
+ __kfence_free(object);
+ p[size] = NULL; /* mark object processed */
+ return size;
+ }
+
/* Start new detached freelist */
df->page = page;
set_freepointer(df->s, object, NULL);
@@ -3298,8 +3360,14 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
c = this_cpu_ptr(s->cpu_slab);
for (i = 0; i < size; i++) {
- void *object = c->freelist;
+ void *object = kfence_alloc(s, s->object_size, flags);
+ if (unlikely(object)) {
+ p[i] = object;
+ continue;
+ }
+
+ object = c->freelist;
if (unlikely(!object)) {
/*
* We may have removed an object from c->freelist using
@@ -3331,20 +3399,16 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
c->tid = next_tid(c->tid);
local_irq_enable();
- /* Clear memory outside IRQ disabled fastpath loop */
- if (unlikely(slab_want_init_on_alloc(flags, s))) {
- int j;
-
- for (j = 0; j < i; j++)
- memset(p[j], 0, s->object_size);
- }
-
- /* memcg and kmem_cache debug support */
- slab_post_alloc_hook(s, objcg, flags, size, p);
+ /*
+ * memcg and kmem_cache debug support and memory initialization.
+ * Done outside of the IRQ disabled fastpath loop.
+ */
+ slab_post_alloc_hook(s, objcg, flags, size, p,
+ slab_want_init_on_alloc(flags, s));
return i;
error:
local_irq_enable();
- slab_post_alloc_hook(s, objcg, flags, i, p);
+ slab_post_alloc_hook(s, objcg, flags, i, p, false);
__kmem_cache_free_bulk(s, i, p);
return 0;
}
@@ -3540,8 +3604,7 @@ static void early_kmem_cache_node_alloc(int node)
init_object(kmem_cache_node, n, SLUB_RED_ACTIVE);
init_tracking(kmem_cache_node, n);
#endif
- n = kasan_kmalloc(kmem_cache_node, n, sizeof(struct kmem_cache_node),
- GFP_KERNEL);
+ n = kasan_slab_alloc(kmem_cache_node, n, GFP_KERNEL, false);
page->freelist = get_freepointer(kmem_cache_node, n);
page->inuse = 1;
page->frozen = 0;
@@ -3964,7 +4027,7 @@ void *__kmalloc(size_t size, gfp_t flags)
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- ret = slab_alloc(s, flags, _RET_IP_);
+ ret = slab_alloc(s, flags, _RET_IP_, size);
trace_kmalloc(_RET_IP_, ret, size, s->size, flags);
@@ -4012,7 +4075,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- ret = slab_alloc_node(s, flags, node, _RET_IP_);
+ ret = slab_alloc_node(s, flags, node, _RET_IP_, size);
trace_kmalloc_node(_RET_IP_, ret, size, s->size, flags, node);
@@ -4038,6 +4101,7 @@ void __check_heap_object(const void *ptr, unsigned long n, struct page *page,
struct kmem_cache *s;
unsigned int offset;
size_t object_size;
+ bool is_kfence = is_kfence_address(ptr);
ptr = kasan_reset_tag(ptr);
@@ -4050,10 +4114,13 @@ void __check_heap_object(const void *ptr, unsigned long n, struct page *page,
to_user, 0, n);
/* Find offset within object. */
- offset = (ptr - page_address(page)) % s->size;
+ if (is_kfence)
+ offset = ptr - kfence_object_start(ptr);
+ else
+ offset = (ptr - page_address(page)) % s->size;
/* Adjust for redzone and reject if within the redzone. */
- if (kmem_cache_debug_flags(s, SLAB_RED_ZONE)) {
+ if (!is_kfence && kmem_cache_debug_flags(s, SLAB_RED_ZONE)) {
if (offset < s->red_left_pad)
usercopy_abort("SLUB object in left red zone",
s->name, to_user, offset, n);
@@ -4446,6 +4513,9 @@ int __kmem_cache_create(struct kmem_cache *s, slab_flags_t flags)
if (err)
__kmem_cache_release(s);
+ if (s->flags & SLAB_STORE_USER)
+ debugfs_slab_add(s);
+
return err;
}
@@ -4462,7 +4532,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- ret = slab_alloc(s, gfpflags, caller);
+ ret = slab_alloc(s, gfpflags, caller, size);
/* Honor the call site pointer we received. */
trace_kmalloc(caller, ret, size, s->size, gfpflags);
@@ -4493,7 +4563,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
if (unlikely(ZERO_OR_NULL_PTR(s)))
return s;
- ret = slab_alloc_node(s, gfpflags, node, caller);
+ ret = slab_alloc_node(s, gfpflags, node, caller, size);
/* Honor the call site pointer we received. */
trace_kmalloc_node(caller, ret, size, s->size, gfpflags, node);
@@ -4586,6 +4656,8 @@ static long validate_slab_cache(struct kmem_cache *s)
return count;
}
+
+#ifdef CONFIG_DEBUG_FS
/*
* Generate lists of code addresses where slabcache objects are allocated
* and freed.
@@ -4609,6 +4681,8 @@ struct loc_track {
struct location *loc;
};
+static struct dentry *slab_debugfs_root;
+
static void free_loc_track(struct loc_track *t)
{
if (t->max)
@@ -4725,87 +4799,7 @@ static void process_slab(struct loc_track *t, struct kmem_cache *s,
add_location(t, s, get_track(s, p, alloc));
put_map(map);
}
-
-static int list_locations(struct kmem_cache *s, char *buf,
- enum track_item alloc)
-{
- int len = 0;
- unsigned long i;
- struct loc_track t = { 0, 0, NULL };
- int node;
- struct kmem_cache_node *n;
-
- if (!alloc_loc_track(&t, PAGE_SIZE / sizeof(struct location),
- GFP_KERNEL)) {
- return sprintf(buf, "Out of memory\n");
- }
- /* Push back cpu slabs */
- flush_all(s);
-
- for_each_kmem_cache_node(s, node, n) {
- unsigned long flags;
- struct page *page;
-
- if (!atomic_long_read(&n->nr_slabs))
- continue;
-
- spin_lock_irqsave(&n->list_lock, flags);
- list_for_each_entry(page, &n->partial, slab_list)
- process_slab(&t, s, page, alloc);
- list_for_each_entry(page, &n->full, slab_list)
- process_slab(&t, s, page, alloc);
- spin_unlock_irqrestore(&n->list_lock, flags);
- }
-
- for (i = 0; i < t.count; i++) {
- struct location *l = &t.loc[i];
-
- if (len > PAGE_SIZE - KSYM_SYMBOL_LEN - 100)
- break;
- len += sprintf(buf + len, "%7ld ", l->count);
-
- if (l->addr)
- len += sprintf(buf + len, "%pS", (void *)l->addr);
- else
- len += sprintf(buf + len, "<not-available>");
-
- if (l->sum_time != l->min_time) {
- len += sprintf(buf + len, " age=%ld/%ld/%ld",
- l->min_time,
- (long)div_u64(l->sum_time, l->count),
- l->max_time);
- } else
- len += sprintf(buf + len, " age=%ld",
- l->min_time);
-
- if (l->min_pid != l->max_pid)
- len += sprintf(buf + len, " pid=%ld-%ld",
- l->min_pid, l->max_pid);
- else
- len += sprintf(buf + len, " pid=%ld",
- l->min_pid);
-
- if (num_online_cpus() > 1 &&
- !cpumask_empty(to_cpumask(l->cpus)) &&
- len < PAGE_SIZE - 60)
- len += scnprintf(buf + len, PAGE_SIZE - len - 50,
- " cpus=%*pbl",
- cpumask_pr_args(to_cpumask(l->cpus)));
-
- if (nr_online_nodes > 1 && !nodes_empty(l->nodes) &&
- len < PAGE_SIZE - 60)
- len += scnprintf(buf + len, PAGE_SIZE - len - 50,
- " nodes=%*pbl",
- nodemask_pr_args(&l->nodes));
-
- len += sprintf(buf + len, "\n");
- }
-
- free_loc_track(&t);
- if (!t.count)
- len += sprintf(buf, "No data\n");
- return len;
-}
+#endif /* CONFIG_DEBUG_FS */
#endif /* CONFIG_SLUB_DEBUG */
#ifdef SLUB_RESILIENCY_TEST
@@ -5265,21 +5259,6 @@ static ssize_t validate_store(struct kmem_cache *s,
}
SLAB_ATTR(validate);
-static ssize_t alloc_calls_show(struct kmem_cache *s, char *buf)
-{
- if (!(s->flags & SLAB_STORE_USER))
- return -ENOSYS;
- return list_locations(s, buf, TRACK_ALLOC);
-}
-SLAB_ATTR_RO(alloc_calls);
-
-static ssize_t free_calls_show(struct kmem_cache *s, char *buf)
-{
- if (!(s->flags & SLAB_STORE_USER))
- return -ENOSYS;
- return list_locations(s, buf, TRACK_FREE);
-}
-SLAB_ATTR_RO(free_calls);
#endif /* CONFIG_SLUB_DEBUG */
#ifdef CONFIG_FAILSLAB
@@ -5440,8 +5419,6 @@ static struct attribute *slab_attrs[] = {
&poison_attr.attr,
&store_user_attr.attr,
&validate_attr.attr,
- &alloc_calls_attr.attr,
- &free_calls_attr.attr,
#endif
#ifdef CONFIG_ZONE_DMA
&cache_dma_attr.attr,
@@ -5730,6 +5707,173 @@ static int __init slab_sysfs_init(void)
__initcall(slab_sysfs_init);
#endif /* CONFIG_SYSFS */
+#if defined(CONFIG_SLUB_DEBUG) && defined(CONFIG_DEBUG_FS)
+static int slab_debugfs_show(struct seq_file *seq, void *v)
+{
+
+ struct location *l;
+ unsigned int idx = *(unsigned int *)v;
+ struct loc_track *t = seq->private;
+
+ if (idx < t->count) {
+ l = &t->loc[idx];
+
+ seq_printf(seq, "%7ld ", l->count);
+
+ if (l->addr)
+ seq_printf(seq, "%pS", (void *)l->addr);
+ else
+ seq_puts(seq, "<not-available>");
+
+ if (l->sum_time != l->min_time) {
+ seq_printf(seq, " age=%ld/%llu/%ld",
+ l->min_time, div_u64(l->sum_time, l->count),
+ l->max_time);
+ } else
+ seq_printf(seq, " age=%ld", l->min_time);
+
+ if (l->min_pid != l->max_pid)
+ seq_printf(seq, " pid=%ld-%ld", l->min_pid, l->max_pid);
+ else
+ seq_printf(seq, " pid=%ld",
+ l->min_pid);
+
+ if (num_online_cpus() > 1 && !cpumask_empty(to_cpumask(l->cpus)))
+ seq_printf(seq, " cpus=%*pbl",
+ cpumask_pr_args(to_cpumask(l->cpus)));
+
+ if (nr_online_nodes > 1 && !nodes_empty(l->nodes))
+ seq_printf(seq, " nodes=%*pbl",
+ nodemask_pr_args(&l->nodes));
+
+ seq_puts(seq, "\n");
+ }
+
+ if (!idx && !t->count)
+ seq_puts(seq, "No data\n");
+
+ return 0;
+}
+
+static void slab_debugfs_stop(struct seq_file *seq, void *v)
+{
+}
+
+static void *slab_debugfs_next(struct seq_file *seq, void *v, loff_t *ppos)
+{
+ struct loc_track *t = seq->private;
+
+ v = ppos;
+ ++*ppos;
+ if (*ppos <= t->count)
+ return v;
+
+ return NULL;
+}
+
+static void *slab_debugfs_start(struct seq_file *seq, loff_t *ppos)
+{
+ return ppos;
+}
+
+static const struct seq_operations slab_debugfs_sops = {
+ .start = slab_debugfs_start,
+ .next = slab_debugfs_next,
+ .stop = slab_debugfs_stop,
+ .show = slab_debugfs_show,
+};
+
+static int slab_debug_trace_open(struct inode *inode, struct file *filep)
+{
+
+ struct kmem_cache_node *n;
+ enum track_item alloc;
+ int node;
+ struct loc_track *t = __seq_open_private(filep, &slab_debugfs_sops,
+ sizeof(struct loc_track));
+ struct kmem_cache *s = file_inode(filep)->i_private;
+
+ if (strcmp(filep->f_path.dentry->d_name.name, "alloc_traces") == 0)
+ alloc = TRACK_ALLOC;
+ else
+ alloc = TRACK_FREE;
+
+ if (!alloc_loc_track(t, PAGE_SIZE / sizeof(struct location), GFP_KERNEL))
+ return -ENOMEM;
+
+ /* Push back cpu slabs */
+ flush_all(s);
+
+ for_each_kmem_cache_node(s, node, n) {
+ unsigned long flags;
+ struct page *page;
+
+ if (!atomic_long_read(&n->nr_slabs))
+ continue;
+
+ spin_lock_irqsave(&n->list_lock, flags);
+ list_for_each_entry(page, &n->partial, slab_list)
+ process_slab(t, s, page, alloc);
+ list_for_each_entry(page, &n->full, slab_list)
+ process_slab(t, s, page, alloc);
+ spin_unlock_irqrestore(&n->list_lock, flags);
+ }
+
+ return 0;
+}
+
+static int slab_debug_trace_release(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq = file->private_data;
+ struct loc_track *t = seq->private;
+
+ free_loc_track(t);
+ return seq_release_private(inode, file);
+}
+
+static const struct file_operations slab_debugfs_fops = {
+ .open = slab_debug_trace_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = slab_debug_trace_release,
+};
+
+static void debugfs_slab_add(struct kmem_cache *s)
+{
+ struct dentry *slab_cache_dir;
+
+ if (unlikely(!slab_debugfs_root))
+ return;
+
+ slab_cache_dir = debugfs_create_dir(s->name, slab_debugfs_root);
+
+ debugfs_create_file("alloc_traces", 0400,
+ slab_cache_dir, s, &slab_debugfs_fops);
+
+ debugfs_create_file("free_traces", 0400,
+ slab_cache_dir, s, &slab_debugfs_fops);
+}
+
+void debugfs_slab_release(struct kmem_cache *s)
+{
+ debugfs_remove_recursive(debugfs_lookup(s->name, slab_debugfs_root));
+}
+
+static int __init slab_debugfs_init(void)
+{
+ struct kmem_cache *s;
+
+ slab_debugfs_root = debugfs_create_dir("slab", NULL);
+
+ list_for_each_entry(s, &slab_caches, list)
+ if (s->flags & SLAB_STORE_USER)
+ debugfs_slab_add(s);
+
+ return 0;
+
+}
+__initcall(slab_debugfs_init);
+#endif
/*
* The /proc/slabinfo ABI
*/
@@ -5755,6 +5899,7 @@ void get_slabinfo(struct kmem_cache *s, struct slabinfo *sinfo)
sinfo->objects_per_slab = oo_objects(s->oo);
sinfo->cache_order = oo_order(s->oo);
}
+EXPORT_SYMBOL_GPL(get_slabinfo);
void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s)
{
diff --git a/mm/swap.c b/mm/swap.c
index 47a4768..abf445b 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -36,6 +36,7 @@
#include <linux/hugetlb.h>
#include <linux/page_idle.h>
#include <linux/local_lock.h>
+#include <linux/buffer_head.h>
#include "internal.h"
@@ -64,6 +65,7 @@ struct lru_pvecs {
struct pagevec lru_deactivate_file;
struct pagevec lru_deactivate;
struct pagevec lru_lazyfree;
+ struct pagevec lru_lazyfree_movetail;
#ifdef CONFIG_SMP
struct pagevec activate_page;
#endif
@@ -257,6 +259,18 @@ static void pagevec_move_tail(struct pagevec *pvec)
__count_vm_events(PGROTATED, pgmoved);
}
+/* return true if pagevec needs to drain */
+static bool pagevec_add_and_need_flush(struct pagevec *pvec, struct page *page)
+{
+ bool ret = false;
+
+ if (!pagevec_add(pvec, page) || PageCompound(page) ||
+ lru_cache_disabled())
+ ret = true;
+
+ return ret;
+}
+
/*
* Writeback is about to end against a page which has been marked for immediate
* reclaim. If it still appears to be reclaimable, move it to the tail of the
@@ -272,7 +286,7 @@ void rotate_reclaimable_page(struct page *page)
get_page(page);
local_lock_irqsave(&lru_rotate.lock, flags);
pvec = this_cpu_ptr(&lru_rotate.pvec);
- if (!pagevec_add(pvec, page) || PageCompound(page))
+ if (pagevec_add_and_need_flush(pvec, page))
pagevec_move_tail(pvec);
local_unlock_irqrestore(&lru_rotate.lock, flags);
}
@@ -357,7 +371,7 @@ static void activate_page(struct page *page)
local_lock(&lru_pvecs.lock);
pvec = this_cpu_ptr(&lru_pvecs.activate_page);
get_page(page);
- if (!pagevec_add(pvec, page) || PageCompound(page))
+ if (pagevec_add_and_need_flush(pvec, page))
pagevec_lru_move_fn(pvec, __activate_page, NULL);
local_unlock(&lru_pvecs.lock);
}
@@ -469,7 +483,7 @@ void lru_cache_add(struct page *page)
get_page(page);
local_lock(&lru_pvecs.lock);
pvec = this_cpu_ptr(&lru_pvecs.lru_add);
- if (!pagevec_add(pvec, page) || PageCompound(page))
+ if (pagevec_add_and_need_flush(pvec, page))
__pagevec_lru_add(pvec);
local_unlock(&lru_pvecs.lock);
}
@@ -483,14 +497,14 @@ EXPORT_SYMBOL(lru_cache_add);
* Place @page on the inactive or unevictable LRU list, depending on its
* evictability.
*/
-void lru_cache_add_inactive_or_unevictable(struct page *page,
- struct vm_area_struct *vma)
+void __lru_cache_add_inactive_or_unevictable(struct page *page,
+ unsigned long vma_flags)
{
bool unevictable;
VM_BUG_ON_PAGE(PageLRU(page), page);
- unevictable = (vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) == VM_LOCKED;
+ unevictable = (vma_flags & (VM_LOCKED | VM_SPECIAL)) == VM_LOCKED;
if (unlikely(unevictable) && !TestSetPageMlocked(page)) {
int nr_pages = thp_nr_pages(page);
/*
@@ -617,6 +631,26 @@ static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec,
}
}
+static void lru_lazyfree_movetail_fn(struct page *page, struct lruvec *lruvec,
+ void *arg)
+{
+ bool *add_to_tail = (bool *)arg;
+
+ if (PageLRU(page) && !PageUnevictable(page) && PageSwapBacked(page) &&
+ !PageSwapCache(page)) {
+ bool active = PageActive(page);
+
+ del_page_from_lru_list(page, lruvec,
+ LRU_INACTIVE_ANON + active);
+ ClearPageActive(page);
+ ClearPageReferenced(page);
+ if (add_to_tail && *add_to_tail)
+ add_page_to_lru_list_tail(page, lruvec, LRU_INACTIVE_FILE);
+ else
+ add_page_to_lru_list(page, lruvec, LRU_INACTIVE_FILE);
+ }
+}
+
/*
* Drain pages out of the cpu's pagevecs.
* Either "cpu" is the current CPU, and preemption has already been
@@ -652,6 +686,10 @@ void lru_add_drain_cpu(int cpu)
if (pagevec_count(pvec))
pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL);
+ pvec = &per_cpu(lru_pvecs.lru_lazyfree_movetail, cpu);
+ if (pagevec_count(pvec))
+ pagevec_lru_move_fn(pvec, lru_lazyfree_movetail_fn, NULL);
+
activate_page_drain(cpu);
}
@@ -678,7 +716,7 @@ void deactivate_file_page(struct page *page)
local_lock(&lru_pvecs.lock);
pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate_file);
- if (!pagevec_add(pvec, page) || PageCompound(page))
+ if (pagevec_add_and_need_flush(pvec, page))
pagevec_lru_move_fn(pvec, lru_deactivate_file_fn, NULL);
local_unlock(&lru_pvecs.lock);
}
@@ -700,7 +738,7 @@ void deactivate_page(struct page *page)
local_lock(&lru_pvecs.lock);
pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate);
get_page(page);
- if (!pagevec_add(pvec, page) || PageCompound(page))
+ if (pagevec_add_and_need_flush(pvec, page))
pagevec_lru_move_fn(pvec, lru_deactivate_fn, NULL);
local_unlock(&lru_pvecs.lock);
}
@@ -722,12 +760,35 @@ void mark_page_lazyfree(struct page *page)
local_lock(&lru_pvecs.lock);
pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree);
get_page(page);
- if (!pagevec_add(pvec, page) || PageCompound(page))
+ if (pagevec_add_and_need_flush(pvec, page))
pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL);
local_unlock(&lru_pvecs.lock);
}
}
+/**
+ * mark_page_lazyfree_movetail - make a swapbacked page lazyfree
+ * @page: page to deactivate
+ *
+ * mark_page_lazyfree_movetail() moves @page to the tail of inactive file list.
+ * This is done to accelerate the reclaim of @page.
+ */
+void mark_page_lazyfree_movetail(struct page *page, bool tail)
+{
+ if (PageLRU(page) && !PageUnevictable(page) && PageSwapBacked(page) &&
+ !PageSwapCache(page)) {
+ struct pagevec *pvec;
+
+ local_lock(&lru_pvecs.lock);
+ pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree_movetail);
+ get_page(page);
+ if (pagevec_add_and_need_flush(pvec, page))
+ pagevec_lru_move_fn(pvec,
+ lru_lazyfree_movetail_fn, &tail);
+ local_unlock(&lru_pvecs.lock);
+ }
+}
+
void lru_add_drain(void)
{
local_lock(&lru_pvecs.lock);
@@ -735,6 +796,20 @@ void lru_add_drain(void)
local_unlock(&lru_pvecs.lock);
}
+/*
+ * It's called from per-cpu workqueue context in SMP case so
+ * lru_add_drain_cpu and invalidate_bh_lrus_cpu should run on
+ * the same cpu. It shouldn't be a problem in !SMP case since
+ * the core is only one and the locks will disable preemption.
+ */
+static void lru_add_and_bh_lrus_drain(void)
+{
+ local_lock(&lru_pvecs.lock);
+ lru_add_drain_cpu(smp_processor_id());
+ local_unlock(&lru_pvecs.lock);
+ invalidate_bh_lrus_cpu();
+}
+
void lru_add_drain_cpu_zone(struct zone *zone)
{
local_lock(&lru_pvecs.lock);
@@ -749,7 +824,7 @@ static DEFINE_PER_CPU(struct work_struct, lru_add_drain_work);
static void lru_add_drain_per_cpu(struct work_struct *dummy)
{
- lru_add_drain();
+ lru_add_and_bh_lrus_drain();
}
/*
@@ -759,7 +834,7 @@ static void lru_add_drain_per_cpu(struct work_struct *dummy)
* Calling this function with cpu hotplug locks held can actually lead
* to obscure indirect dependencies via WQ context.
*/
-void lru_add_drain_all(void)
+inline void __lru_add_drain_all(bool force_all_cpus)
{
/*
* lru_drain_gen - Global pages generation number
@@ -804,7 +879,7 @@ void lru_add_drain_all(void)
* (C) Exit the draining operation if a newer generation, from another
* lru_add_drain_all(), was already scheduled for draining. Check (A).
*/
- if (unlikely(this_gen != lru_drain_gen))
+ if (unlikely(this_gen != lru_drain_gen && !force_all_cpus))
goto done;
/*
@@ -834,12 +909,15 @@ void lru_add_drain_all(void)
for_each_online_cpu(cpu) {
struct work_struct *work = &per_cpu(lru_add_drain_work, cpu);
- if (pagevec_count(&per_cpu(lru_pvecs.lru_add, cpu)) ||
+ if (force_all_cpus ||
+ pagevec_count(&per_cpu(lru_pvecs.lru_add, cpu)) ||
data_race(pagevec_count(&per_cpu(lru_rotate.pvec, cpu))) ||
pagevec_count(&per_cpu(lru_pvecs.lru_deactivate_file, cpu)) ||
pagevec_count(&per_cpu(lru_pvecs.lru_deactivate, cpu)) ||
pagevec_count(&per_cpu(lru_pvecs.lru_lazyfree, cpu)) ||
- need_activate_page_drain(cpu)) {
+ pagevec_count(&per_cpu(lru_pvecs.lru_lazyfree_movetail, cpu)) ||
+ need_activate_page_drain(cpu) ||
+ has_bh_in_lru(cpu, NULL)) {
INIT_WORK(work, lru_add_drain_per_cpu);
queue_work_on(cpu, mm_percpu_wq, work);
__cpumask_set_cpu(cpu, &has_work);
@@ -852,6 +930,11 @@ void lru_add_drain_all(void)
done:
mutex_unlock(&lock);
}
+
+void lru_add_drain_all(void)
+{
+ __lru_add_drain_all(false);
+}
#else
void lru_add_drain_all(void)
{
@@ -859,6 +942,52 @@ void lru_add_drain_all(void)
}
#endif /* CONFIG_SMP */
+static atomic_t lru_disable_count = ATOMIC_INIT(0);
+
+bool lru_cache_disabled(void)
+{
+ return atomic_read(&lru_disable_count) != 0;
+}
+
+void lru_cache_enable(void)
+{
+ atomic_dec(&lru_disable_count);
+}
+EXPORT_SYMBOL_GPL(lru_cache_enable);
+
+/*
+ * lru_cache_disable() needs to be called before we start compiling
+ * a list of pages to be migrated using isolate_lru_page().
+ * It drains pages on LRU cache and then disable on all cpus until
+ * lru_cache_enable is called.
+ *
+ * Must be paired with a call to lru_cache_enable().
+ */
+void lru_cache_disable(void)
+{
+ /*
+ * If someone is already disabled lru_cache, just return with
+ * increasing the lru_disable_count.
+ */
+ if (atomic_inc_not_zero(&lru_disable_count))
+ return;
+#ifdef CONFIG_SMP
+ /*
+ * lru_add_drain_all in the force mode will schedule draining on
+ * all online CPUs so any calls of lru_cache_disabled wrapped by
+ * local_lock or preemption disabled would be ordered by that.
+ * The atomic operation doesn't need to have stronger ordering
+ * requirements because that is enforeced by the scheduling
+ * guarantees.
+ */
+ __lru_add_drain_all(true);
+#else
+ lru_add_and_bh_lrus_drain();
+#endif
+ atomic_inc(&lru_disable_count);
+}
+EXPORT_SYMBOL_GPL(lru_cache_disable);
+
/**
* release_pages - batched put_page()
* @pages: array of pages to release
diff --git a/mm/swap_state.c b/mm/swap_state.c
index ee46582..e797804 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -93,6 +93,7 @@ unsigned long total_swapcache_pages(void)
}
return ret;
}
+EXPORT_SYMBOL_GPL(total_swapcache_pages);
static atomic_t swapin_readahead_hits = ATOMIC_INIT(4);
@@ -644,7 +645,11 @@ static unsigned long swapin_nr_pages(unsigned long offset)
* This has been extended to use the NUMA policies from the mm triggering
* the readahead.
*
- * Caller must hold read mmap_lock if vmf->vma is not NULL.
+ * Caller must hold down_read on the vma->vm_mm if vmf->vma is not NULL.
+ * This is needed to ensure the VMA will not be freed in our back. In the case
+ * of the speculative page fault handler, this cannot happen, even if we don't
+ * hold the mmap_sem. Callees are assumed to take care of reading VMA's fields
+ * using READ_ONCE() to read consistent values.
*/
struct page *swap_cluster_readahead(swp_entry_t entry, gfp_t gfp_mask,
struct vm_fault *vmf)
@@ -741,9 +746,9 @@ static inline void swap_ra_clamp_pfn(struct vm_area_struct *vma,
unsigned long *start,
unsigned long *end)
{
- *start = max3(lpfn, PFN_DOWN(vma->vm_start),
+ *start = max3(lpfn, PFN_DOWN(READ_ONCE(vma->vm_start)),
PFN_DOWN(faddr & PMD_MASK));
- *end = min3(rpfn, PFN_DOWN(vma->vm_end),
+ *end = min3(rpfn, PFN_DOWN(READ_ONCE(vma->vm_end)),
PFN_DOWN((faddr & PMD_MASK) + PMD_SIZE));
}
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 5af6b0f7..5f2e709 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1967,8 +1967,6 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
si = swap_info[type];
pte = pte_offset_map(pmd, addr);
do {
- struct vm_fault vmf;
-
if (!is_swap_pte(*pte))
continue;
@@ -1984,9 +1982,12 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
swap_map = &si->swap_map[offset];
page = lookup_swap_cache(entry, vma, addr);
if (!page) {
- vmf.vma = vma;
- vmf.address = addr;
- vmf.pmd = pmd;
+ struct vm_fault vmf = {
+ .vma = vma,
+ .address = addr,
+ .pmd = pmd,
+ };
+
page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE,
&vmf);
}
@@ -3440,6 +3441,7 @@ void si_swapinfo(struct sysinfo *val)
val->totalswap = total_swap_pages + nr_to_be_unused;
spin_unlock(&swap_lock);
}
+EXPORT_SYMBOL_GPL(si_swapinfo);
/*
* Verify that a swap entry is valid and increment its swap map count.
@@ -3811,7 +3813,7 @@ static void free_swap_count_continuations(struct swap_info_struct *si)
}
#if defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP)
-void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
+void __cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
{
struct swap_info_struct *si, *next;
int nid = page_to_nid(page);
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 9a3d451..5508f7d 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -48,6 +48,78 @@ struct vm_area_struct *find_dst_vma(struct mm_struct *dst_mm,
return dst_vma;
}
+/*
+ * Install PTEs, to map dst_addr (within dst_vma) to page.
+ *
+ * This function handles both MCOPY_ATOMIC_NORMAL and _CONTINUE for both shmem
+ * and anon, and for both shared and private VMAs.
+ */
+int mfill_atomic_install_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
+ struct vm_area_struct *dst_vma,
+ unsigned long dst_addr, struct page *page,
+ bool newly_allocated, bool wp_copy)
+{
+ int ret;
+ pte_t _dst_pte, *dst_pte;
+ bool writable = dst_vma->vm_flags & VM_WRITE;
+ bool vm_shared = dst_vma->vm_flags & VM_SHARED;
+ bool page_in_cache = page->mapping;
+ spinlock_t *ptl;
+ struct inode *inode;
+ pgoff_t offset, max_off;
+
+ _dst_pte = mk_pte(page, dst_vma->vm_page_prot);
+ if (page_in_cache && !vm_shared)
+ writable = false;
+ if (writable || !page_in_cache)
+ _dst_pte = pte_mkdirty(_dst_pte);
+ if (writable) {
+ if (wp_copy)
+ _dst_pte = pte_mkuffd_wp(_dst_pte);
+ else
+ _dst_pte = pte_mkwrite(_dst_pte);
+ }
+
+ dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
+
+ if (vma_is_shmem(dst_vma)) {
+ /* serialize against truncate with the page table lock */
+ inode = dst_vma->vm_file->f_inode;
+ offset = linear_page_index(dst_vma, dst_addr);
+ max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+ ret = -EFAULT;
+ if (unlikely(offset >= max_off))
+ goto out_unlock;
+ }
+
+ ret = -EEXIST;
+ if (!pte_none(*dst_pte))
+ goto out_unlock;
+
+ if (page_in_cache)
+ page_add_file_rmap(page, false);
+ else
+ page_add_new_anon_rmap(page, dst_vma, dst_addr, false);
+
+ /*
+ * Must happen after rmap, as mm_counter() checks mapping (via
+ * PageAnon()), which is set by __page_set_anon_rmap().
+ */
+ inc_mm_counter(dst_mm, mm_counter(page));
+
+ if (newly_allocated)
+ lru_cache_add_inactive_or_unevictable(page, dst_vma);
+
+ set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
+
+ /* No need to invalidate - it was non-present before */
+ update_mmu_cache(dst_vma, dst_addr, dst_pte);
+ ret = 0;
+out_unlock:
+ pte_unmap_unlock(dst_pte, ptl);
+ return ret;
+}
+
static int mcopy_atomic_pte(struct mm_struct *dst_mm,
pmd_t *dst_pmd,
struct vm_area_struct *dst_vma,
@@ -56,13 +128,9 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
struct page **pagep,
bool wp_copy)
{
- pte_t _dst_pte, *dst_pte;
- spinlock_t *ptl;
void *page_kaddr;
int ret;
struct page *page;
- pgoff_t offset, max_off;
- struct inode *inode;
if (!*pagep) {
ret = -ENOMEM;
@@ -99,43 +167,12 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
if (mem_cgroup_charge(page, dst_mm, GFP_KERNEL))
goto out_release;
- _dst_pte = pte_mkdirty(mk_pte(page, dst_vma->vm_page_prot));
- if (dst_vma->vm_flags & VM_WRITE) {
- if (wp_copy)
- _dst_pte = pte_mkuffd_wp(_dst_pte);
- else
- _dst_pte = pte_mkwrite(_dst_pte);
- }
-
- dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);
- if (dst_vma->vm_file) {
- /* the shmem MAP_PRIVATE case requires checking the i_size */
- inode = dst_vma->vm_file->f_inode;
- offset = linear_page_index(dst_vma, dst_addr);
- max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
- ret = -EFAULT;
- if (unlikely(offset >= max_off))
- goto out_release_uncharge_unlock;
- }
- ret = -EEXIST;
- if (!pte_none(*dst_pte))
- goto out_release_uncharge_unlock;
-
- inc_mm_counter(dst_mm, MM_ANONPAGES);
- page_add_new_anon_rmap(page, dst_vma, dst_addr, false);
- lru_cache_add_inactive_or_unevictable(page, dst_vma);
-
- set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
-
- /* No need to invalidate - it was non-present before */
- update_mmu_cache(dst_vma, dst_addr, dst_pte);
-
- pte_unmap_unlock(dst_pte, ptl);
- ret = 0;
+ ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+ page, true, wp_copy);
+ if (ret)
+ goto out_release;
out:
return ret;
-out_release_uncharge_unlock:
- pte_unmap_unlock(dst_pte, ptl);
out_release:
put_page(page);
goto out;
@@ -176,6 +213,41 @@ static int mfill_zeropage_pte(struct mm_struct *dst_mm,
return ret;
}
+/* Handles UFFDIO_CONTINUE for all shmem VMAs (shared or private). */
+static int mcontinue_atomic_pte(struct mm_struct *dst_mm,
+ pmd_t *dst_pmd,
+ struct vm_area_struct *dst_vma,
+ unsigned long dst_addr,
+ bool wp_copy)
+{
+ struct inode *inode = file_inode(dst_vma->vm_file);
+ pgoff_t pgoff = linear_page_index(dst_vma, dst_addr);
+ struct page *page;
+ int ret;
+
+ ret = shmem_getpage(inode, pgoff, &page, SGP_READ);
+ if (ret)
+ goto out;
+ if (!page) {
+ ret = -EFAULT;
+ goto out;
+ }
+
+ ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+ page, false, wp_copy);
+ if (ret)
+ goto out_release;
+
+ unlock_page(page);
+ ret = 0;
+out:
+ return ret;
+out_release:
+ unlock_page(page);
+ put_page(page);
+ goto out;
+}
+
static pmd_t *mm_alloc_pmd(struct mm_struct *mm, unsigned long address)
{
pgd_t *pgd;
@@ -207,7 +279,7 @@ static __always_inline ssize_t __mcopy_atomic_hugetlb(struct mm_struct *dst_mm,
unsigned long dst_start,
unsigned long src_start,
unsigned long len,
- bool zeropage)
+ enum mcopy_atomic_mode mode)
{
int vm_alloc_shared = dst_vma->vm_flags & VM_SHARED;
int vm_shared = dst_vma->vm_flags & VM_SHARED;
@@ -227,7 +299,7 @@ static __always_inline ssize_t __mcopy_atomic_hugetlb(struct mm_struct *dst_mm,
* by THP. Since we can not reliably insert a zero page, this
* feature is not supported.
*/
- if (zeropage) {
+ if (mode == MCOPY_ATOMIC_ZEROPAGE) {
mmap_read_unlock(dst_mm);
return -EINVAL;
}
@@ -273,8 +345,6 @@ static __always_inline ssize_t __mcopy_atomic_hugetlb(struct mm_struct *dst_mm,
}
while (src_addr < src_start + len) {
- pte_t dst_pteval;
-
BUG_ON(dst_addr >= dst_start + len);
/*
@@ -290,23 +360,23 @@ static __always_inline ssize_t __mcopy_atomic_hugetlb(struct mm_struct *dst_mm,
mutex_lock(&hugetlb_fault_mutex_table[hash]);
err = -ENOMEM;
- dst_pte = huge_pte_alloc(dst_mm, dst_addr, vma_hpagesize);
+ dst_pte = huge_pte_alloc(dst_mm, dst_vma, dst_addr, vma_hpagesize);
if (!dst_pte) {
mutex_unlock(&hugetlb_fault_mutex_table[hash]);
i_mmap_unlock_read(mapping);
goto out_unlock;
}
- err = -EEXIST;
- dst_pteval = huge_ptep_get(dst_pte);
- if (!huge_pte_none(dst_pteval)) {
+ if (mode != MCOPY_ATOMIC_CONTINUE &&
+ !huge_pte_none(huge_ptep_get(dst_pte))) {
+ err = -EEXIST;
mutex_unlock(&hugetlb_fault_mutex_table[hash]);
i_mmap_unlock_read(mapping);
goto out_unlock;
}
err = hugetlb_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma,
- dst_addr, src_addr, &page);
+ dst_addr, src_addr, mode, &page);
mutex_unlock(&hugetlb_fault_mutex_table[hash]);
i_mmap_unlock_read(mapping);
@@ -408,7 +478,7 @@ extern ssize_t __mcopy_atomic_hugetlb(struct mm_struct *dst_mm,
unsigned long dst_start,
unsigned long src_start,
unsigned long len,
- bool zeropage);
+ enum mcopy_atomic_mode mode);
#endif /* CONFIG_HUGETLB_PAGE */
static __always_inline ssize_t mfill_atomic_pte(struct mm_struct *dst_mm,
@@ -417,11 +487,16 @@ static __always_inline ssize_t mfill_atomic_pte(struct mm_struct *dst_mm,
unsigned long dst_addr,
unsigned long src_addr,
struct page **page,
- bool zeropage,
+ enum mcopy_atomic_mode mode,
bool wp_copy)
{
ssize_t err;
+ if (mode == MCOPY_ATOMIC_CONTINUE) {
+ return mcontinue_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
+ wp_copy);
+ }
+
/*
* The normal page fault path for a shmem will invoke the
* fault, fill the hole in the file and COW it right away. The
@@ -433,7 +508,7 @@ static __always_inline ssize_t mfill_atomic_pte(struct mm_struct *dst_mm,
* and not in the radix tree.
*/
if (!(dst_vma->vm_flags & VM_SHARED)) {
- if (!zeropage)
+ if (mode == MCOPY_ATOMIC_NORMAL)
err = mcopy_atomic_pte(dst_mm, dst_pmd, dst_vma,
dst_addr, src_addr, page,
wp_copy);
@@ -442,13 +517,10 @@ static __always_inline ssize_t mfill_atomic_pte(struct mm_struct *dst_mm,
dst_vma, dst_addr);
} else {
VM_WARN_ON_ONCE(wp_copy);
- if (!zeropage)
- err = shmem_mcopy_atomic_pte(dst_mm, dst_pmd,
- dst_vma, dst_addr,
- src_addr, page);
- else
- err = shmem_mfill_zeropage_pte(dst_mm, dst_pmd,
- dst_vma, dst_addr);
+ err = shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma,
+ dst_addr, src_addr,
+ mode != MCOPY_ATOMIC_NORMAL,
+ page);
}
return err;
@@ -458,7 +530,7 @@ static __always_inline ssize_t __mcopy_atomic(struct mm_struct *dst_mm,
unsigned long dst_start,
unsigned long src_start,
unsigned long len,
- bool zeropage,
+ enum mcopy_atomic_mode mcopy_mode,
bool *mmap_changing,
__u64 mode)
{
@@ -527,10 +599,12 @@ static __always_inline ssize_t __mcopy_atomic(struct mm_struct *dst_mm,
*/
if (is_vm_hugetlb_page(dst_vma))
return __mcopy_atomic_hugetlb(dst_mm, dst_vma, dst_start,
- src_start, len, zeropage);
+ src_start, len, mcopy_mode);
if (!vma_is_anonymous(dst_vma) && !vma_is_shmem(dst_vma))
goto out_unlock;
+ if (!vma_is_shmem(dst_vma) && mcopy_mode == MCOPY_ATOMIC_CONTINUE)
+ goto out_unlock;
/*
* Ensure the dst_vma has a anon_vma or this page
@@ -577,7 +651,7 @@ static __always_inline ssize_t __mcopy_atomic(struct mm_struct *dst_mm,
BUG_ON(pmd_trans_huge(*dst_pmd));
err = mfill_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
- src_addr, &page, zeropage, wp_copy);
+ src_addr, &page, mcopy_mode, wp_copy);
cond_resched();
if (unlikely(err == -ENOENT)) {
@@ -626,14 +700,22 @@ ssize_t mcopy_atomic(struct mm_struct *dst_mm, unsigned long dst_start,
unsigned long src_start, unsigned long len,
bool *mmap_changing, __u64 mode)
{
- return __mcopy_atomic(dst_mm, dst_start, src_start, len, false,
- mmap_changing, mode);
+ return __mcopy_atomic(dst_mm, dst_start, src_start, len,
+ MCOPY_ATOMIC_NORMAL, mmap_changing, mode);
}
ssize_t mfill_zeropage(struct mm_struct *dst_mm, unsigned long start,
unsigned long len, bool *mmap_changing)
{
- return __mcopy_atomic(dst_mm, start, 0, len, true, mmap_changing, 0);
+ return __mcopy_atomic(dst_mm, start, 0, len, MCOPY_ATOMIC_ZEROPAGE,
+ mmap_changing, 0);
+}
+
+ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long start,
+ unsigned long len, bool *mmap_changing)
+{
+ return __mcopy_atomic(dst_mm, start, 0, len, MCOPY_ATOMIC_CONTINUE,
+ mmap_changing, 0);
}
int mwriteprotect_range(struct mm_struct *dst_mm, unsigned long start,
diff --git a/mm/util.c b/mm/util.c
index 90792e4..6963f01 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -27,6 +27,9 @@
#include <linux/uaccess.h>
#include "internal.h"
+#ifndef __GENKSYMS__
+#include <trace/hooks/syscall_check.h>
+#endif
/**
* kfree_const - conditionally free memory
@@ -354,6 +357,7 @@ unsigned long arch_mmap_rnd(void)
return rnd << PAGE_SHIFT;
}
+EXPORT_SYMBOL_GPL(arch_mmap_rnd);
static int mmap_is_legacy(struct rlimit *rlim_stack)
{
@@ -511,6 +515,7 @@ unsigned long vm_mmap_pgoff(struct file *file, unsigned long addr,
if (populate)
mm_populate(ret, populate);
}
+ trace_android_vh_check_mmap_file(file, prot, flag, ret);
return ret;
}
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index fff03a3..d561597 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -34,6 +34,7 @@
#include <linux/bitops.h>
#include <linux/rbtree_augmented.h>
#include <linux/overflow.h>
+#include <trace/hooks/mm.h>
#include <linux/uaccess.h>
#include <asm/tlbflush.h>
@@ -326,6 +327,7 @@ int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot,
flush_cache_vmap(start, start + size);
return ret;
}
+EXPORT_SYMBOL_GPL(map_kernel_range);
int is_vmalloc_or_module_addr(const void *x)
{
@@ -489,6 +491,7 @@ unsigned long vmalloc_nr_pages(void)
{
return atomic_long_read(&nr_vmalloc_pages);
}
+EXPORT_SYMBOL_GPL(vmalloc_nr_pages);
static struct vmap_area *__find_vmap_area(unsigned long addr)
{
@@ -1746,7 +1749,7 @@ static void _vm_unmap_aliases(unsigned long start, unsigned long end, int flush)
rcu_read_lock();
list_for_each_entry_rcu(vb, &vbq->free, free_list) {
spin_lock(&vb->lock);
- if (vb->dirty) {
+ if (vb->dirty && vb->dirty != VMAP_BBMAP_BITS) {
unsigned long va_start = vb->va->va_start;
unsigned long s, e;
@@ -2032,6 +2035,7 @@ static inline void setup_vmalloc_vm_locked(struct vm_struct *vm,
vm->size = va->va_end - va->va_start;
vm->caller = caller;
va->vm = vm;
+ trace_android_vh_save_vmalloc_stack(flags, vm);
}
static void setup_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
@@ -2097,6 +2101,7 @@ struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags,
return __get_vm_area_node(size, 1, flags, start, end, NUMA_NO_NODE,
GFP_KERNEL, caller);
}
+EXPORT_SYMBOL_GPL(__get_vm_area_caller);
/**
* get_vm_area - reserve a contiguous kernel virtual area
@@ -3549,6 +3554,7 @@ static int s_show(struct seq_file *m, void *p)
seq_puts(m, " vpages");
show_numa_info(m, v);
+ trace_android_vh_show_stack_hash(m, v);
seq_putc(m, '\n');
/*
diff --git a/mm/vmpressure.c b/mm/vmpressure.c
index d69019f..632b88e 100644
--- a/mm/vmpressure.c
+++ b/mm/vmpressure.c
@@ -21,6 +21,8 @@
#include <linux/printk.h>
#include <linux/vmpressure.h>
+#include <trace/hooks/mm.h>
+
/*
* The window size (vmpressure_win) is the number of scanned pages before
* we try to analyze scanned/reclaimed ratio. So the window is used as a
@@ -240,7 +242,17 @@ static void vmpressure_work_fn(struct work_struct *work)
void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree,
unsigned long scanned, unsigned long reclaimed)
{
- struct vmpressure *vmpr = memcg_to_vmpressure(memcg);
+ struct vmpressure *vmpr;
+ bool bypass = false;
+
+ if (mem_cgroup_disabled())
+ return;
+
+ vmpr = memcg_to_vmpressure(memcg);
+
+ trace_android_vh_vmpressure(memcg, &bypass);
+ if (unlikely(bypass))
+ return;
/*
* Here we only want to account pressure that userland is able to
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f2817e8..d49cd9c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -63,6 +63,12 @@
#define CREATE_TRACE_POINTS
#include <trace/events/vmscan.h>
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/vmscan.h>
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(mm_vmscan_direct_reclaim_end);
+
struct scan_control {
/* How many pages shrink_list() should reclaim */
unsigned long nr_to_reclaim;
@@ -174,6 +180,23 @@ struct scan_control {
*/
int vm_swappiness = 60;
+#define DEF_KSWAPD_THREADS_PER_NODE 1
+static int kswapd_threads = DEF_KSWAPD_THREADS_PER_NODE;
+static int __init kswapd_per_node_setup(char *str)
+{
+ int tmp;
+
+ if (kstrtoint(str, 0, &tmp) < 0)
+ return 0;
+
+ if (tmp > MAX_KSWAPD_THREADS || tmp <= 0)
+ return 0;
+
+ kswapd_threads = tmp;
+ return 1;
+}
+__setup("kswapd_per_node=", kswapd_per_node_setup);
+
static void set_task_reclaim_state(struct task_struct *task,
struct reclaim_state *rs)
{
@@ -428,6 +451,8 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
: SHRINK_BATCH;
long scanned = 0, next_deferred;
+ trace_android_vh_do_shrink_slab(shrinker, shrinkctl, priority);
+
if (!(shrinker->flags & SHRINKER_NUMA_AWARE))
nid = 0;
@@ -653,6 +678,11 @@ static unsigned long shrink_slab(gfp_t gfp_mask, int nid,
{
unsigned long ret, freed = 0;
struct shrinker *shrinker;
+ bool bypass = false;
+
+ trace_android_vh_shrink_slab_bypass(gfp_mask, nid, memcg, priority, &bypass);
+ if (bypass)
+ return 0;
/*
* The root memcg might be allocated even though memcg is disabled
@@ -1535,6 +1565,36 @@ unsigned int reclaim_clean_pages_from_list(struct zone *zone,
return nr_reclaimed;
}
+int reclaim_pages_from_list(struct list_head *page_list)
+{
+ struct scan_control sc = {
+ .gfp_mask = GFP_KERNEL,
+ .priority = DEF_PRIORITY,
+ .may_writepage = 1,
+ .may_unmap = 1,
+ .may_swap = 1,
+ };
+ unsigned long nr_reclaimed;
+ struct reclaim_stat dummy_stat;
+ struct page *page;
+
+ list_for_each_entry(page, page_list, lru)
+ ClearPageActive(page);
+
+ nr_reclaimed = shrink_page_list(page_list, NULL, &sc,
+ &dummy_stat, false);
+ while (!list_empty(page_list)) {
+
+ page = lru_to_page(page_list);
+ list_del(&page->lru);
+ dec_node_page_state(page, NR_ISOLATED_ANON +
+ page_is_file_lru(page));
+ putback_lru_page(page);
+ }
+
+ return nr_reclaimed;
+}
+
/*
* Attempt to remove the specified page from its LRU. Only take this page
* if it is of the appropriate PageActive status. Pages which are being
@@ -2216,6 +2276,8 @@ static bool inactive_is_low(struct lruvec *lruvec, enum lru_list inactive_lru)
else
inactive_ratio = 1;
+ trace_android_vh_tune_inactive_ratio(&inactive_ratio, is_file_lru(inactive_lru));
+
return inactive * inactive_ratio < active;
}
@@ -2246,6 +2308,7 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
enum scan_balance scan_balance;
unsigned long ap, fp;
enum lru_list lru;
+ bool balance_anon_file_reclaim = false;
/* If we have no swap space, do not bother scanning anon pages. */
if (!sc->may_swap || mem_cgroup_get_nr_swap_pages(memcg) <= 0) {
@@ -2253,6 +2316,7 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
goto out;
}
+ trace_android_vh_tune_swappiness(&swappiness);
/*
* Global reclaim will swap to prevent OOM even with no
* swappiness, but memcg users want to use this knob to
@@ -2283,11 +2347,15 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
goto out;
}
+ trace_android_rvh_set_balance_anon_file_reclaim(&balance_anon_file_reclaim);
+
/*
* If there is enough inactive page cache, we do not reclaim
- * anything from the anonymous working right now.
+ * anything from the anonymous working right now. But when balancing
+ * anon and page cache files for reclaim, allow swapping of anon pages
+ * even if there are a number of inactive file cache pages.
*/
- if (sc->cache_trim_mode) {
+ if (!balance_anon_file_reclaim && sc->cache_trim_mode) {
scan_balance = SCAN_FILE;
goto out;
}
@@ -2323,6 +2391,7 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
fraction[1] = fp;
denominator = ap + fp;
out:
+ trace_android_vh_tune_scan_type((char *)(&scan_balance));
for_each_evictable_lru(lru) {
int file = is_file_lru(lru);
unsigned long lruvec_size;
@@ -3361,6 +3430,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg,
return nr_reclaimed;
}
+EXPORT_SYMBOL_GPL(try_to_free_mem_cgroup_pages);
#endif
static void age_active_anon(struct pglist_data *pgdat,
@@ -3946,6 +4016,46 @@ static int kswapd(void *p)
return 0;
}
+static int kswapd_per_node_run(int nid)
+{
+ pg_data_t *pgdat = NODE_DATA(nid);
+ int hid;
+ int ret = 0;
+
+ for (hid = 0; hid < kswapd_threads; ++hid) {
+ pgdat->mkswapd[hid] = kthread_run(kswapd, pgdat, "kswapd%d:%d",
+ nid, hid);
+ if (IS_ERR(pgdat->mkswapd[hid])) {
+ /* failure at boot is fatal */
+ WARN_ON(system_state < SYSTEM_RUNNING);
+ pr_err("Failed to start kswapd%d on node %d\n",
+ hid, nid);
+ ret = PTR_ERR(pgdat->mkswapd[hid]);
+ pgdat->mkswapd[hid] = NULL;
+ continue;
+ }
+ if (!pgdat->kswapd)
+ pgdat->kswapd = pgdat->mkswapd[hid];
+ }
+
+ return ret;
+}
+
+static void kswapd_per_node_stop(int nid)
+{
+ int hid = 0;
+ struct task_struct *kswapd;
+
+ for (hid = 0; hid < kswapd_threads; hid++) {
+ kswapd = NODE_DATA(nid)->mkswapd[hid];
+ if (kswapd) {
+ kthread_stop(kswapd);
+ NODE_DATA(nid)->mkswapd[hid] = NULL;
+ }
+ }
+ NODE_DATA(nid)->kswapd = NULL;
+}
+
/*
* A zone is low on free memory or too fragmented for high-order memory. If
* kswapd should reclaim (direct reclaim is deferred), wake it up for the zone's
@@ -4049,6 +4159,9 @@ int kswapd_run(int nid)
if (pgdat->kswapd)
return 0;
+ if (kswapd_threads > 1)
+ return kswapd_per_node_run(nid);
+
pgdat->kswapd = kthread_run(kswapd, pgdat, "kswapd%d", nid);
if (IS_ERR(pgdat->kswapd)) {
/* failure at boot is fatal */
@@ -4068,6 +4181,11 @@ void kswapd_stop(int nid)
{
struct task_struct *kswapd = NODE_DATA(nid)->kswapd;
+ if (kswapd_threads > 1) {
+ kswapd_per_node_stop(nid);
+ return;
+ }
+
if (kswapd) {
kthread_stop(kswapd);
NODE_DATA(nid)->kswapd = NULL;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 698bc0b..80c1e0a 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1159,9 +1159,7 @@ const char * const vmstat_text[] = {
"nr_mlock",
"nr_page_table_pages",
"nr_bounce",
-#if IS_ENABLED(CONFIG_ZSMALLOC)
"nr_zspages",
-#endif
"nr_free_cma",
/* enum numa_stat_item counters */
@@ -1298,6 +1296,10 @@ const char * const vmstat_text[] = {
"htlb_buddy_alloc_success",
"htlb_buddy_alloc_fail",
#endif
+#ifdef CONFIG_CMA
+ "cma_alloc_success",
+ "cma_alloc_fail",
+#endif
"unevictable_pgs_culled",
"unevictable_pgs_scanned",
"unevictable_pgs_rescued",
@@ -1350,6 +1352,10 @@ const char * const vmstat_text[] = {
"swap_ra",
"swap_ra_hit",
#endif
+#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
+ "speculative_pgfault",
+ "speculative_pgfault_file"
+#endif
#endif /* CONFIG_VM_EVENT_COUNTERS || CONFIG_MEMCG */
};
#endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA || CONFIG_MEMCG */
@@ -1634,14 +1640,16 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
"\n high %lu"
"\n spanned %lu"
"\n present %lu"
- "\n managed %lu",
+ "\n managed %lu"
+ "\n cma %lu",
zone_page_state(zone, NR_FREE_PAGES),
min_wmark_pages(zone),
low_wmark_pages(zone),
high_wmark_pages(zone),
zone->spanned_pages,
zone->present_pages,
- zone_managed_pages(zone));
+ zone_managed_pages(zone),
+ zone_cma_pages(zone));
seq_printf(m,
"\n protection: (%ld",
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 73cd507..6fce68d 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -347,7 +347,7 @@ static void destroy_cache(struct zs_pool *pool)
static unsigned long cache_alloc_handle(struct zs_pool *pool, gfp_t gfp)
{
return (unsigned long)kmem_cache_alloc(pool->handle_cachep,
- gfp & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
+ gfp & ~(__GFP_HIGHMEM|__GFP_MOVABLE|__GFP_CMA));
}
static void cache_free_handle(struct zs_pool *pool, unsigned long handle)
@@ -358,7 +358,7 @@ static void cache_free_handle(struct zs_pool *pool, unsigned long handle)
static struct zspage *cache_alloc_zspage(struct zs_pool *pool, gfp_t flags)
{
return kmem_cache_alloc(pool->zspage_cachep,
- flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE));
+ flags & ~(__GFP_HIGHMEM|__GFP_MOVABLE|__GFP_CMA));
}
static void cache_free_zspage(struct zs_pool *pool, struct zspage *zspage)
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 1a94ed2..33dc78c 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -1596,33 +1596,30 @@ void __hci_req_update_scan_rsp_data(struct hci_request *req, u8 instance)
return;
if (ext_adv_capable(hdev)) {
- struct {
- struct hci_cp_le_set_ext_scan_rsp_data cp;
- u8 data[HCI_MAX_EXT_AD_LENGTH];
- } pdu;
+ struct hci_cp_le_set_ext_scan_rsp_data cp;
- memset(&pdu, 0, sizeof(pdu));
+ memset(&cp, 0, sizeof(cp));
if (instance)
len = create_instance_scan_rsp_data(hdev, instance,
- pdu.data);
+ cp.data);
else
- len = create_default_scan_rsp_data(hdev, pdu.data);
+ len = create_default_scan_rsp_data(hdev, cp.data);
if (hdev->scan_rsp_data_len == len &&
- !memcmp(pdu.data, hdev->scan_rsp_data, len))
+ !memcmp(cp.data, hdev->scan_rsp_data, len))
return;
- memcpy(hdev->scan_rsp_data, pdu.data, len);
+ memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
hdev->scan_rsp_data_len = len;
- pdu.cp.handle = instance;
- pdu.cp.length = len;
- pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
- pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+ cp.handle = instance;
+ cp.length = len;
+ cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
- hci_req_add(req, HCI_OP_LE_SET_EXT_SCAN_RSP_DATA,
- sizeof(pdu.cp) + len, &pdu.cp);
+ hci_req_add(req, HCI_OP_LE_SET_EXT_SCAN_RSP_DATA, sizeof(cp),
+ &cp);
} else {
struct hci_cp_le_set_scan_rsp_data cp;
@@ -1745,30 +1742,26 @@ void __hci_req_update_adv_data(struct hci_request *req, u8 instance)
return;
if (ext_adv_capable(hdev)) {
- struct {
- struct hci_cp_le_set_ext_adv_data cp;
- u8 data[HCI_MAX_EXT_AD_LENGTH];
- } pdu;
+ struct hci_cp_le_set_ext_adv_data cp;
- memset(&pdu, 0, sizeof(pdu));
+ memset(&cp, 0, sizeof(cp));
- len = create_instance_adv_data(hdev, instance, pdu.data);
+ len = create_instance_adv_data(hdev, instance, cp.data);
/* There's nothing to do if the data hasn't changed */
if (hdev->adv_data_len == len &&
- memcmp(pdu.data, hdev->adv_data, len) == 0)
+ memcmp(cp.data, hdev->adv_data, len) == 0)
return;
- memcpy(hdev->adv_data, pdu.data, len);
+ memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
hdev->adv_data_len = len;
- pdu.cp.length = len;
- pdu.cp.handle = instance;
- pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
- pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+ cp.length = len;
+ cp.handle = instance;
+ cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
- hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_DATA,
- sizeof(pdu.cp) + len, &pdu.cp);
+ hci_req_add(req, HCI_OP_LE_SET_EXT_ADV_DATA, sizeof(cp), &cp);
} else {
struct hci_cp_le_set_adv_data cp;
diff --git a/net/core/dev.c b/net/core/dev.c
index 60cf3cd..b145d38 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -146,6 +146,7 @@
#include <net/devlink.h>
#include <linux/pm_runtime.h>
#include <linux/prandom.h>
+#include <trace/hooks/net.h>
#include "net-sysfs.h"
@@ -510,6 +511,12 @@ static inline void netdev_set_addr_lockdep_class(struct net_device *dev)
static inline struct list_head *ptype_head(const struct packet_type *pt)
{
+ struct list_head vendor_pt = { .next = NULL, };
+
+ trace_android_vh_ptype_head(pt, &vendor_pt);
+ if (vendor_pt.next)
+ return vendor_pt.next;
+
if (pt->type == htons(ETH_P_ALL))
return pt->dev ? &pt->dev->ptype_all : &ptype_all;
else
@@ -2973,8 +2980,6 @@ int netif_set_real_num_tx_queues(struct net_device *dev, unsigned int txq)
if (dev->num_tc)
netif_setup_tc(dev, txq);
- dev_qdisc_change_real_num_tx(dev, txq);
-
dev->real_num_tx_queues = txq;
if (disabling) {
diff --git a/net/core/filter.c b/net/core/filter.c
index abd58dc..d2c086f 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3244,9 +3244,6 @@ static int bpf_skb_proto_4_to_6(struct sk_buff *skb)
u32 off = skb_mac_header_len(skb);
int ret;
- if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
- return -ENOTSUPP;
-
ret = skb_cow(skb, len_diff);
if (unlikely(ret < 0))
return ret;
@@ -3258,17 +3255,11 @@ static int bpf_skb_proto_4_to_6(struct sk_buff *skb)
if (skb_is_gso(skb)) {
struct skb_shared_info *shinfo = skb_shinfo(skb);
- /* SKB_GSO_TCPV4 needs to be changed into
- * SKB_GSO_TCPV6.
- */
+ /* SKB_GSO_TCPV4 needs to be changed into SKB_GSO_TCPV6. */
if (shinfo->gso_type & SKB_GSO_TCPV4) {
shinfo->gso_type &= ~SKB_GSO_TCPV4;
shinfo->gso_type |= SKB_GSO_TCPV6;
}
-
- /* Header must be checked, and gso_segs recomputed. */
- shinfo->gso_type |= SKB_GSO_DODGY;
- shinfo->gso_segs = 0;
}
skb->protocol = htons(ETH_P_IPV6);
@@ -3283,9 +3274,6 @@ static int bpf_skb_proto_6_to_4(struct sk_buff *skb)
u32 off = skb_mac_header_len(skb);
int ret;
- if (skb_is_gso(skb) && !skb_is_gso_tcp(skb))
- return -ENOTSUPP;
-
ret = skb_unclone(skb, GFP_ATOMIC);
if (unlikely(ret < 0))
return ret;
@@ -3297,17 +3285,11 @@ static int bpf_skb_proto_6_to_4(struct sk_buff *skb)
if (skb_is_gso(skb)) {
struct skb_shared_info *shinfo = skb_shinfo(skb);
- /* SKB_GSO_TCPV6 needs to be changed into
- * SKB_GSO_TCPV4.
- */
+ /* SKB_GSO_TCPV6 needs to be changed into SKB_GSO_TCPV4. */
if (shinfo->gso_type & SKB_GSO_TCPV6) {
shinfo->gso_type &= ~SKB_GSO_TCPV6;
shinfo->gso_type |= SKB_GSO_TCPV4;
}
-
- /* Header must be checked, and gso_segs recomputed. */
- shinfo->gso_type |= SKB_GSO_DODGY;
- shinfo->gso_segs = 0;
}
skb->protocol = htons(ETH_P_IP);
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index 283ddb2..465362a 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -35,13 +35,11 @@
#include <trace/events/tcp.h>
#include <trace/events/fib.h>
#include <trace/events/qdisc.h>
-#if IS_ENABLED(CONFIG_BRIDGE)
#include <trace/events/bridge.h>
EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_add);
EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_external_learn_add);
EXPORT_TRACEPOINT_SYMBOL_GPL(fdb_delete);
EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_update);
-#endif
#if IS_ENABLED(CONFIG_PAGE_POOL)
#include <trace/events/page_pool.h>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 825e6b9..75dfbde 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -76,6 +76,7 @@
#include <linux/capability.h>
#include <linux/user_namespace.h>
#include <linux/indirect_call_wrapper.h>
+#include <trace/hooks/net.h>
#include "datagram.h"
@@ -707,6 +708,7 @@ void kfree_skb(struct sk_buff *skb)
if (!skb_unref(skb))
return;
+ trace_android_vh_kfree_skb(skb);
trace_kfree_skb(skb, __builtin_return_address(0));
__kfree_skb(skb);
}
diff --git a/net/core/sock.c b/net/core/sock.c
index 6d9af4e..70396a4 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -135,6 +135,8 @@
#include <net/bpf_sk_storage.h>
#include <trace/events/sock.h>
+#include <trace/hooks/sched.h>
+#include <trace/hooks/net.h>
#include <net/tcp.h>
#include <net/busy_poll.h>
@@ -1694,6 +1696,8 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority,
if (security_sk_alloc(sk, family, priority))
goto out_free;
+ trace_android_rvh_sk_alloc(sk);
+
if (!try_module_get(prot->owner))
goto out_free_sec;
sk_tx_queue_clear(sk);
@@ -1703,6 +1707,7 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority,
out_free_sec:
security_sk_free(sk);
+ trace_android_rvh_sk_free(sk);
out_free:
if (slab != NULL)
kmem_cache_free(slab, sk);
@@ -1722,6 +1727,7 @@ static void sk_prot_free(struct proto *prot, struct sock *sk)
cgroup_sk_free(&sk->sk_cgrp_data);
mem_cgroup_sk_free(sk);
security_sk_free(sk);
+ trace_android_rvh_sk_free(sk);
if (slab != NULL)
kmem_cache_free(slab, sk);
else
@@ -2902,9 +2908,19 @@ void sock_def_readable(struct sock *sk)
rcu_read_lock();
wq = rcu_dereference(sk->sk_wq);
- if (skwq_has_sleeper(wq))
+
+ if (skwq_has_sleeper(wq)) {
+ int done = 0;
+
+ trace_android_vh_do_wake_up_sync(&wq->wait, &done);
+ if (done)
+ goto out;
+
wake_up_interruptible_sync_poll(&wq->wait, EPOLLIN | EPOLLPRI |
EPOLLRDNORM | EPOLLRDBAND);
+ }
+
+out:
sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN);
rcu_read_unlock();
}
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 5183e62..c5c1d2b 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -48,7 +48,7 @@ extern bool dccp_debug;
extern struct inet_hashinfo dccp_hashinfo;
-DECLARE_PER_CPU(unsigned int, dccp_orphan_count);
+extern struct percpu_counter dccp_orphan_count;
void dccp_time_wait(struct sock *sk, int state, int timeo);
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 548cf01..6d705d9 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -42,8 +42,8 @@ DEFINE_SNMP_STAT(struct dccp_mib, dccp_statistics) __read_mostly;
EXPORT_SYMBOL_GPL(dccp_statistics);
-DEFINE_PER_CPU(unsigned int, dccp_orphan_count);
-EXPORT_PER_CPU_SYMBOL_GPL(dccp_orphan_count);
+struct percpu_counter dccp_orphan_count;
+EXPORT_SYMBOL_GPL(dccp_orphan_count);
struct inet_hashinfo dccp_hashinfo;
EXPORT_SYMBOL_GPL(dccp_hashinfo);
@@ -1055,7 +1055,7 @@ void dccp_close(struct sock *sk, long timeout)
bh_lock_sock(sk);
WARN_ON(sock_owned_by_user(sk));
- this_cpu_inc(dccp_orphan_count);
+ percpu_counter_inc(sk->sk_prot->orphan_count);
/* Have we already been destroyed by a softirq or backlog? */
if (state != DCCP_CLOSED && sk->sk_state == DCCP_CLOSED)
@@ -1115,10 +1115,13 @@ static int __init dccp_init(void)
BUILD_BUG_ON(sizeof(struct dccp_skb_cb) >
sizeof_field(struct sk_buff, cb));
+ rc = percpu_counter_init(&dccp_orphan_count, 0, GFP_KERNEL);
+ if (rc)
+ goto out_fail;
inet_hashinfo_init(&dccp_hashinfo);
rc = inet_hashinfo2_init_mod(&dccp_hashinfo);
if (rc)
- goto out_fail;
+ goto out_free_percpu;
rc = -ENOBUFS;
dccp_hashinfo.bind_bucket_cachep =
kmem_cache_create("dccp_bind_bucket",
@@ -1223,6 +1226,8 @@ static int __init dccp_init(void)
kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep);
out_free_hashinfo2:
inet_hashinfo2_free_mod(&dccp_hashinfo);
+out_free_percpu:
+ percpu_counter_destroy(&dccp_orphan_count);
out_fail:
dccp_hashinfo.bhash = NULL;
dccp_hashinfo.ehash = NULL;
@@ -1245,6 +1250,7 @@ static void __exit dccp_fini(void)
dccp_ackvec_exit();
dccp_sysctl_exit();
inet_hashinfo2_free_mod(&dccp_hashinfo);
+ percpu_counter_destroy(&dccp_orphan_count);
}
module_init(dccp_init);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 8267349..e4dbf5a 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -498,6 +498,10 @@ int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
goto out;
snum = ntohs(addr->sin_port);
+ err = -EPERM;
+ if (snum && inet_is_local_unbindable_port(net, snum))
+ goto out;
+
err = -EACCES;
if (snum && inet_port_requires_bind_service(net, snum) &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 36ed85b..d99e1be 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -141,7 +141,7 @@ static void ah_output_done(struct crypto_async_request *base, int err)
}
kfree(AH_SKB_CB(skb)->tmp);
- xfrm_output_resume(skb->sk, skb, err);
+ xfrm_output_resume(skb, err);
}
static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index ed9857b..61dfb64 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -279,7 +279,7 @@ static void esp_output_done(struct crypto_async_request *base, int err)
x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
esp_output_tail_tcp(x, skb);
else
- xfrm_output_resume(skb->sk, skb, err);
+ xfrm_output_resume(skb, err);
}
}
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 0c32199..03589a0 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -803,17 +803,10 @@ static void igmp_gq_timer_expire(struct timer_list *t)
static void igmp_ifc_timer_expire(struct timer_list *t)
{
struct in_device *in_dev = from_timer(in_dev, t, mr_ifc_timer);
- u32 mr_ifc_count;
igmpv3_send_cr(in_dev);
-restart:
- mr_ifc_count = READ_ONCE(in_dev->mr_ifc_count);
-
- if (mr_ifc_count) {
- if (cmpxchg(&in_dev->mr_ifc_count,
- mr_ifc_count,
- mr_ifc_count - 1) != mr_ifc_count)
- goto restart;
+ if (in_dev->mr_ifc_count) {
+ in_dev->mr_ifc_count--;
igmp_ifc_start_timer(in_dev,
unsolicited_report_interval(in_dev));
}
@@ -825,7 +818,7 @@ static void igmp_ifc_event(struct in_device *in_dev)
struct net *net = dev_net(in_dev->dev);
if (IGMP_V1_SEEN(in_dev) || IGMP_V2_SEEN(in_dev))
return;
- WRITE_ONCE(in_dev->mr_ifc_count, in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv);
+ in_dev->mr_ifc_count = in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv;
igmp_ifc_start_timer(in_dev, 1);
}
@@ -964,7 +957,7 @@ static bool igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
in_dev->mr_qri;
}
/* cancel the interface change timer */
- WRITE_ONCE(in_dev->mr_ifc_count, 0);
+ in_dev->mr_ifc_count = 0;
if (del_timer(&in_dev->mr_ifc_timer))
__in_dev_put(in_dev);
/* clear deleted report items */
@@ -1731,7 +1724,7 @@ void ip_mc_down(struct in_device *in_dev)
igmp_group_dropped(pmc);
#ifdef CONFIG_IP_MULTICAST
- WRITE_ONCE(in_dev->mr_ifc_count, 0);
+ in_dev->mr_ifc_count = 0;
if (del_timer(&in_dev->mr_ifc_timer))
__in_dev_put(in_dev);
in_dev->mr_gq_running = 0;
@@ -1948,7 +1941,7 @@ static int ip_mc_del_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
pmc->sfmode = MCAST_INCLUDE;
#ifdef CONFIG_IP_MULTICAST
pmc->crcount = in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv;
- WRITE_ONCE(in_dev->mr_ifc_count, pmc->crcount);
+ in_dev->mr_ifc_count = pmc->crcount;
for (psf = pmc->sources; psf; psf = psf->sf_next)
psf->sf_crcount = 0;
igmp_ifc_event(pmc->interface);
@@ -2127,7 +2120,7 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
/* else no filters; keep old mode for reports */
pmc->crcount = in_dev->mr_qrv ?: net->ipv4.sysctl_igmp_qrv;
- WRITE_ONCE(in_dev->mr_ifc_count, pmc->crcount);
+ in_dev->mr_ifc_count = pmc->crcount;
for (psf = pmc->sources; psf; psf = psf->sf_next)
psf->sf_crcount = 0;
igmp_ifc_event(in_dev);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index addd595..1dfa561e 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -892,7 +892,7 @@ void inet_csk_destroy_sock(struct sock *sk)
sk_refcnt_debug_release(sk);
- this_cpu_dec(*sk->sk_prot->orphan_count);
+ percpu_counter_dec(sk->sk_prot->orphan_count);
sock_put(sk);
}
@@ -951,7 +951,7 @@ static void inet_child_forget(struct sock *sk, struct request_sock *req,
sock_orphan(child);
- this_cpu_inc(*sk->sk_prot->orphan_count);
+ percpu_counter_inc(sk->sk_prot->orphan_count);
if (sk->sk_protocol == IPPROTO_TCP && tcp_rsk(req)->tfo_listener) {
BUG_ON(rcu_access_pointer(tcp_sk(child)->fastopen_rsk) != req);
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index e093847..f3fd5c9 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -598,7 +598,7 @@ bool inet_ehash_nolisten(struct sock *sk, struct sock *osk, bool *found_dup_sk)
if (ok) {
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
} else {
- this_cpu_inc(*sk->sk_prot->orphan_count);
+ percpu_counter_inc(sk->sk_prot->orphan_count);
inet_sk_set_state(sk, TCP_CLOSE);
sock_set_flag(sk, SOCK_DEAD);
inet_csk_destroy_sock(sk);
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index 8bd3f5e..4dbc628 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -924,36 +924,15 @@ static void remove_nexthop(struct net *net, struct nexthop *nh,
/* if any FIB entries reference this nexthop, any dst entries
* need to be regenerated
*/
-static void nh_rt_cache_flush(struct net *net, struct nexthop *nh,
- struct nexthop *replaced_nh)
+static void nh_rt_cache_flush(struct net *net, struct nexthop *nh)
{
struct fib6_info *f6i;
- struct nh_group *nhg;
- int i;
if (!list_empty(&nh->fi_list))
rt_cache_flush(net);
list_for_each_entry(f6i, &nh->f6i_list, nh_list)
ipv6_stub->fib6_update_sernum(net, f6i);
-
- /* if an IPv6 group was replaced, we have to release all old
- * dsts to make sure all refcounts are released
- */
- if (!replaced_nh->is_group)
- return;
-
- /* new dsts must use only the new nexthop group */
- synchronize_net();
-
- nhg = rtnl_dereference(replaced_nh->nh_grp);
- for (i = 0; i < nhg->num_nh; i++) {
- struct nh_grp_entry *nhge = &nhg->nh_entries[i];
- struct nh_info *nhi = rtnl_dereference(nhge->nh->nh_info);
-
- if (nhi->family == AF_INET6)
- ipv6_stub->fib6_nh_release_dsts(&nhi->fib6_nh);
- }
}
static int replace_nexthop_grp(struct net *net, struct nexthop *old,
@@ -1132,7 +1111,7 @@ static int replace_nexthop(struct net *net, struct nexthop *old,
err = replace_nexthop_single(net, old, new, extack);
if (!err) {
- nh_rt_cache_flush(net, old, new);
+ nh_rt_cache_flush(net, old);
__remove_nexthop(net, new, NULL);
nexthop_put(new);
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 80d13d8..8d5e169 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -53,7 +53,7 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
struct net *net = seq->private;
int orphans, sockets;
- orphans = tcp_orphan_count_sum();
+ orphans = percpu_counter_sum_positive(&tcp_orphan_count);
sockets = proto_sockets_allocated_sum_positive(&tcp_prot);
socket_seq_show(seq);
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 0882980..0c039e9 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -727,6 +727,13 @@ static struct ctl_table ipv4_net_table[] = {
.proc_handler = proc_do_large_bitmap,
},
{
+ .procname = "ip_local_unbindable_ports",
+ .data = &init_net.ipv4.sysctl_local_unbindable_ports,
+ .maxlen = 65536,
+ .mode = 0644,
+ .proc_handler = proc_do_large_bitmap,
+ },
+ {
.procname = "ip_no_pmtu_disc",
.data = &init_net.ipv4.sysctl_ip_no_pmtu_disc,
.maxlen = sizeof(int),
@@ -1390,11 +1397,17 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
net->ipv4.sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL);
if (!net->ipv4.sysctl_local_reserved_ports)
- goto err_ports;
+ goto err_reserved_ports;
+
+ net->ipv4.sysctl_local_unbindable_ports = kzalloc(65536 / 8, GFP_KERNEL);
+ if (!net->ipv4.sysctl_local_unbindable_ports)
+ goto err_unbindable_ports;
return 0;
-err_ports:
+err_unbindable_ports:
+ kfree(net->ipv4.sysctl_local_reserved_ports);
+err_reserved_ports:
unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
err_reg:
if (!net_eq(net, &init_net))
@@ -1407,6 +1420,7 @@ static __net_exit void ipv4_sysctl_exit_net(struct net *net)
{
struct ctl_table *table;
+ kfree(net->ipv4.sysctl_local_unbindable_ports);
kfree(net->ipv4.sysctl_local_reserved_ports);
table = net->ipv4.ipv4_hdr->ctl_table_arg;
unregister_net_sysctl_table(net->ipv4.ipv4_hdr);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 63c81af..4686570 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -280,8 +280,10 @@
#include <asm/ioctls.h>
#include <net/busy_poll.h>
-DEFINE_PER_CPU(unsigned int, tcp_orphan_count);
-EXPORT_PER_CPU_SYMBOL_GPL(tcp_orphan_count);
+#include <trace/hooks/ipv4.h>
+
+struct percpu_counter tcp_orphan_count;
+EXPORT_SYMBOL_GPL(tcp_orphan_count);
long sysctl_tcp_mem[3] __read_mostly;
EXPORT_SYMBOL(sysctl_tcp_mem);
@@ -1198,6 +1200,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
bool zc = false;
long timeo;
+ trace_android_rvh_tcp_sendmsg_locked(sk, size);
flags = msg->msg_flags;
if (flags & MSG_ZEROCOPY && size && sock_flag(sk, SOCK_ZEROCOPY)) {
@@ -2106,6 +2109,7 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
if (unlikely(flags & MSG_ERRQUEUE))
return inet_recv_error(sk, msg, len, addr_len);
+ trace_android_rvh_tcp_recvmsg(sk);
if (sk_can_busy_loop(sk) && skb_queue_empty_lockless(&sk->sk_receive_queue) &&
(sk->sk_state == TCP_ESTABLISHED))
@@ -2318,6 +2322,7 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
break;
} while (len > 0);
+ trace_android_rvh_tcp_recvmsg_stat(sk, copied);
/* According to UNIX98, msg_name/msg_namelen are ignored
* on connected socket. I was just happy when found this 8) --ANK
*/
@@ -2466,36 +2471,11 @@ void tcp_shutdown(struct sock *sk, int how)
}
EXPORT_SYMBOL(tcp_shutdown);
-int tcp_orphan_count_sum(void)
-{
- int i, total = 0;
-
- for_each_possible_cpu(i)
- total += per_cpu(tcp_orphan_count, i);
-
- return max(total, 0);
-}
-
-static int tcp_orphan_cache;
-static struct timer_list tcp_orphan_timer;
-#define TCP_ORPHAN_TIMER_PERIOD msecs_to_jiffies(100)
-
-static void tcp_orphan_update(struct timer_list *unused)
-{
- WRITE_ONCE(tcp_orphan_cache, tcp_orphan_count_sum());
- mod_timer(&tcp_orphan_timer, jiffies + TCP_ORPHAN_TIMER_PERIOD);
-}
-
-static bool tcp_too_many_orphans(int shift)
-{
- return READ_ONCE(tcp_orphan_cache) << shift > sysctl_tcp_max_orphans;
-}
-
bool tcp_check_oom(struct sock *sk, int shift)
{
bool too_many_orphans, out_of_socket_memory;
- too_many_orphans = tcp_too_many_orphans(shift);
+ too_many_orphans = tcp_too_many_orphans(sk, shift);
out_of_socket_memory = tcp_out_of_memory(sk);
if (too_many_orphans)
@@ -2605,7 +2585,7 @@ void tcp_close(struct sock *sk, long timeout)
/* remove backlog if any, without releasing ownership. */
__release_sock(sk);
- this_cpu_inc(tcp_orphan_count);
+ percpu_counter_inc(sk->sk_prot->orphan_count);
/* Have we already been destroyed by a softirq or backlog? */
if (state != TCP_CLOSE && sk->sk_state == TCP_CLOSE)
@@ -4242,10 +4222,7 @@ void __init tcp_init(void)
sizeof_field(struct sk_buff, cb));
percpu_counter_init(&tcp_sockets_allocated, 0, GFP_KERNEL);
-
- timer_setup(&tcp_orphan_timer, tcp_orphan_update, TIMER_DEFERRABLE);
- mod_timer(&tcp_orphan_timer, jiffies + TCP_ORPHAN_TIMER_PERIOD);
-
+ percpu_counter_init(&tcp_orphan_count, 0, GFP_KERNEL);
inet_hashinfo_init(&tcp_hashinfo);
inet_hashinfo2_init(&tcp_hashinfo, "tcp_listen_portaddr_hash",
thash_entries, 21, /* one slot per 2 MB*/
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 991e343..d7600bc 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -80,6 +80,7 @@
#include <linux/jump_label_ratelimit.h>
#include <net/busy_poll.h>
#include <net/mptcp.h>
+#include <trace/hooks/net.h>
int sysctl_tcp_max_orphans __read_mostly = NR_FILE;
@@ -4625,6 +4626,7 @@ static bool tcp_ooo_try_coalesce(struct sock *sk,
static void tcp_drop(struct sock *sk, struct sk_buff *skb)
{
+ trace_android_vh_kfree_skb(skb);
sk_drops_add(sk, skb);
__kfree_skb(skb);
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 655f0d8..2c119c8 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -116,6 +116,7 @@
#if IS_ENABLED(CONFIG_IPV6)
#include <net/ipv6_stubs.h>
#endif
+#include <trace/hooks/ipv4.h>
struct udp_table udp_table __read_mostly;
EXPORT_SYMBOL(udp_table);
@@ -1050,6 +1051,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
if (msg->msg_flags & MSG_OOB) /* Mirror BSD error message compatibility */
return -EOPNOTSUPP;
+ trace_android_rvh_udp_sendmsg(sk);
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
@@ -1802,6 +1804,7 @@ int udp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
skb = __skb_recv_udp(sk, flags, noblock, &off, &err);
if (!skb)
return err;
+ trace_android_rvh_udp_recvmsg(sk);
ulen = udp_skb_len(skb);
copied = len;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 2952693..2bfce1c 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -90,6 +90,8 @@
#include <linux/seq_file.h>
#include <linux/export.h>
+#include <trace/hooks/ipv6.h>
+
#define INFINITY_LIFE_TIME 0xFFFFFFFF
#define IPV6_MAX_STRLEN \
@@ -216,6 +218,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = {
.accept_ra_rt_info_max_plen = 0,
#endif
#endif
+ .accept_ra_rt_table = 0,
.proxy_ndp = 0,
.accept_source_route = 0, /* we do not accept RH0 by default. */
.disable_ipv6 = 0,
@@ -271,6 +274,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
.accept_ra_rt_info_max_plen = 0,
#endif
#endif
+ .accept_ra_rt_table = 0,
.proxy_ndp = 0,
.accept_source_route = 0, /* we do not accept RH0 by default. */
.disable_ipv6 = 0,
@@ -2377,6 +2381,26 @@ static void ipv6_gen_rnd_iid(struct in6_addr *addr)
goto regen;
}
+u32 addrconf_rt_table(const struct net_device *dev, u32 default_table)
+{
+ struct inet6_dev *idev = in6_dev_get(dev);
+ int sysctl;
+ u32 table;
+
+ if (!idev)
+ return default_table;
+ sysctl = idev->cnf.accept_ra_rt_table;
+ if (sysctl == 0) {
+ table = default_table;
+ } else if (sysctl > 0) {
+ table = (u32) sysctl;
+ } else {
+ table = (unsigned) dev->ifindex + (-sysctl);
+ }
+ in6_dev_put(idev);
+ return table;
+}
+
/*
* Add prefix route.
*/
@@ -2387,7 +2411,7 @@ addrconf_prefix_route(struct in6_addr *pfx, int plen, u32 metric,
u32 flags, gfp_t gfp_flags)
{
struct fib6_config cfg = {
- .fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_PREFIX,
+ .fc_table = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_PREFIX),
.fc_metric = metric ? : IP6_RT_PRIO_ADDRCONF,
.fc_ifindex = dev->ifindex,
.fc_expires = expires,
@@ -2422,7 +2446,7 @@ static struct fib6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
struct fib6_node *fn;
struct fib6_info *rt = NULL;
struct fib6_table *table;
- u32 tb_id = l3mdev_fib_table(dev) ? : RT6_TABLE_PREFIX;
+ u32 tb_id = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_PREFIX);
table = fib6_get_table(dev_net(dev), tb_id);
if (!table)
@@ -3325,6 +3349,7 @@ static void addrconf_addr_gen(struct inet6_dev *idev, bool prefix_route)
static void addrconf_dev_config(struct net_device *dev)
{
struct inet6_dev *idev;
+ bool ret = false;
ASSERT_RTNL();
@@ -3352,6 +3377,10 @@ static void addrconf_dev_config(struct net_device *dev)
if (IS_ERR(idev))
return;
+ trace_android_vh_ipv6_gen_linklocal_addr(dev, &ret);
+ if (ret)
+ return;
+
/* this device type has no EUI support */
if (dev->type == ARPHRD_NONE &&
idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_EUI64)
@@ -6717,6 +6746,13 @@ static const struct ctl_table addrconf_sysctl[] = {
#endif
#endif
{
+ .procname = "accept_ra_rt_table",
+ .data = &ipv6_devconf.accept_ra_rt_table,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
.procname = "proxy_ndp",
.data = &ipv6_devconf.proxy_ndp,
.maxlen = sizeof(int),
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 0905753..c6db41b 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -295,6 +295,8 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
return -EINVAL;
snum = ntohs(addr->sin6_port);
+ if (snum && inet_is_local_unbindable_port(net, snum))
+ return -EPERM;
if (snum && inet_port_requires_bind_service(net, snum) &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
return -EACCES;
@@ -1016,7 +1018,6 @@ static const struct ipv6_stub ipv6_stub_impl = {
.ip6_mtu_from_fib6 = ip6_mtu_from_fib6,
.fib6_nh_init = fib6_nh_init,
.fib6_nh_release = fib6_nh_release,
- .fib6_nh_release_dsts = fib6_nh_release_dsts,
.fib6_update_sernum = fib6_update_sernum_stub,
.fib6_rt_update = fib6_rt_update,
.ip6_del_rt = ip6_del_rt,
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 080ee7f..440080d 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -316,7 +316,7 @@ static void ah6_output_done(struct crypto_async_request *base, int err)
}
kfree(AH_SKB_CB(skb)->tmp);
- xfrm_output_resume(skb->sk, skb, err);
+ xfrm_output_resume(skb, err);
}
static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 7f2ffc7..33524fe 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -314,7 +314,7 @@ static void esp_output_done(struct crypto_async_request *base, int err)
x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
esp_output_tail_tcp(x, skb);
else
- xfrm_output_resume(skb->sk, skb, err);
+ xfrm_output_resume(skb, err);
}
}
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6fef0d7..92835e6 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3570,25 +3570,6 @@ void fib6_nh_release(struct fib6_nh *fib6_nh)
fib_nh_common_release(&fib6_nh->nh_common);
}
-void fib6_nh_release_dsts(struct fib6_nh *fib6_nh)
-{
- int cpu;
-
- if (!fib6_nh->rt6i_pcpu)
- return;
-
- for_each_possible_cpu(cpu) {
- struct rt6_info *pcpu_rt, **ppcpu_rt;
-
- ppcpu_rt = per_cpu_ptr(fib6_nh->rt6i_pcpu, cpu);
- pcpu_rt = xchg(ppcpu_rt, NULL);
- if (pcpu_rt) {
- dst_dev_put(&pcpu_rt->dst);
- dst_release(&pcpu_rt->dst);
- }
- }
-}
-
static struct fib6_info *ip6_route_info_create(struct fib6_config *cfg,
gfp_t gfp_flags,
struct netlink_ext_ack *extack)
@@ -4165,7 +4146,7 @@ static struct fib6_info *rt6_get_route_info(struct net *net,
const struct in6_addr *gwaddr,
struct net_device *dev)
{
- u32 tb_id = l3mdev_fib_table(dev) ? : RT6_TABLE_INFO;
+ u32 tb_id = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_INFO);
int ifindex = dev->ifindex;
struct fib6_node *fn;
struct fib6_info *rt = NULL;
@@ -4219,7 +4200,7 @@ static struct fib6_info *rt6_add_route_info(struct net *net,
.fc_nlinfo.nl_net = net,
};
- cfg.fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_INFO;
+ cfg.fc_table = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_INFO);
cfg.fc_dst = *prefix;
cfg.fc_gateway = *gwaddr;
@@ -4237,7 +4218,7 @@ struct fib6_info *rt6_get_dflt_router(struct net *net,
const struct in6_addr *addr,
struct net_device *dev)
{
- u32 tb_id = l3mdev_fib_table(dev) ? : RT6_TABLE_DFLT;
+ u32 tb_id = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_DFLT);
struct fib6_info *rt;
struct fib6_table *table;
@@ -4271,7 +4252,7 @@ struct fib6_info *rt6_add_dflt_router(struct net *net,
unsigned int pref)
{
struct fib6_config cfg = {
- .fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_DFLT,
+ .fc_table = l3mdev_fib_table(dev) ? : addrconf_rt_table(dev, RT6_TABLE_DFLT),
.fc_metric = IP6_RT_PRIO_USER,
.fc_ifindex = dev->ifindex,
.fc_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_DEFAULT |
@@ -4296,47 +4277,24 @@ struct fib6_info *rt6_add_dflt_router(struct net *net,
return rt6_get_dflt_router(net, gwaddr, dev);
}
-static void __rt6_purge_dflt_routers(struct net *net,
- struct fib6_table *table)
+static int rt6_addrconf_purge(struct fib6_info *rt, void *arg)
{
- struct fib6_info *rt;
+ struct net_device *dev = fib6_info_nh_dev(rt);
+ struct inet6_dev *idev = dev ? __in6_dev_get(dev) : NULL;
-restart:
- rcu_read_lock();
- for_each_fib6_node_rt_rcu(&table->tb6_root) {
- struct net_device *dev = fib6_info_nh_dev(rt);
- struct inet6_dev *idev = dev ? __in6_dev_get(dev) : NULL;
-
- if (rt->fib6_flags & (RTF_DEFAULT | RTF_ADDRCONF) &&
- (!idev || idev->cnf.accept_ra != 2) &&
- fib6_info_hold_safe(rt)) {
- rcu_read_unlock();
- ip6_del_rt(net, rt, false);
- goto restart;
- }
+ if (rt->fib6_flags & (RTF_DEFAULT | RTF_ADDRCONF) &&
+ (!idev || idev->cnf.accept_ra != 2)) {
+ /* Delete this route. See fib6_clean_tree() */
+ return -1;
}
- rcu_read_unlock();
- table->flags &= ~RT6_TABLE_HAS_DFLT_ROUTER;
+ /* Continue walking */
+ return 0;
}
void rt6_purge_dflt_routers(struct net *net)
{
- struct fib6_table *table;
- struct hlist_head *head;
- unsigned int h;
-
- rcu_read_lock();
-
- for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
- head = &net->ipv6.fib_table_hash[h];
- hlist_for_each_entry_rcu(table, head, tb6_hlist) {
- if (table->flags & RT6_TABLE_HAS_DFLT_ROUTER)
- __rt6_purge_dflt_routers(net, table);
- }
- }
-
- rcu_read_unlock();
+ fib6_clean_all(net, rt6_addrconf_purge, NULL);
}
static void rtmsg_to_fib6_config(struct net *net,
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 6bafd38..56c5331 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -1477,6 +1477,29 @@
If you want to compile it as a module, say M here and read
<file:Documentation/kbuild/modules.rst>. If unsure, say `N'.
+config NETFILTER_XT_MATCH_QUOTA2
+ tristate '"quota2" match support'
+ depends on NETFILTER_ADVANCED
+ help
+ This option adds a `quota2' match, which allows to match on a
+ byte counter correctly and not per CPU.
+ It allows naming the quotas.
+ This is based on http://xtables-addons.git.sourceforge.net
+
+ If you want to compile it as a module, say M here and read
+ <file:Documentation/kbuild/modules.txt>. If unsure, say `N'.
+
+config NETFILTER_XT_MATCH_QUOTA2_LOG
+ bool '"quota2" Netfilter LOG support'
+ depends on NETFILTER_XT_MATCH_QUOTA2
+ default n
+ help
+ This option allows `quota2' to log ONCE when a quota limit
+ is passed. It logs via NETLINK using the NETLINK_NFLOG family.
+ It logs similarly to how ipt_ULOG would without data.
+
+ If unsure, say `N'.
+
config NETFILTER_XT_MATCH_RATEEST
tristate '"rateest" match support'
depends on NETFILTER_ADVANCED
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index 0e0ded8..9100085 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -197,6 +197,7 @@
obj-$(CONFIG_NETFILTER_XT_MATCH_PKTTYPE) += xt_pkttype.o
obj-$(CONFIG_NETFILTER_XT_MATCH_POLICY) += xt_policy.o
obj-$(CONFIG_NETFILTER_XT_MATCH_QUOTA) += xt_quota.o
+obj-$(CONFIG_NETFILTER_XT_MATCH_QUOTA2) += xt_quota2.o
obj-$(CONFIG_NETFILTER_XT_MATCH_RATEEST) += xt_rateest.o
obj-$(CONFIG_NETFILTER_XT_MATCH_REALM) += xt_realm.o
obj-$(CONFIG_NETFILTER_XT_MATCH_RECENT) += xt_recent.o
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 6a66e994..c8a2e09 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -33,6 +33,7 @@
#include <linux/mm.h>
#include <linux/nsproxy.h>
#include <linux/rculist_nulls.h>
+#include <trace/hooks/net.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_l4proto.h>
@@ -1495,6 +1496,8 @@ __nf_conntrack_alloc(struct net *net,
nf_ct_zone_add(ct, zone);
+ trace_android_rvh_nf_conn_alloc(ct);
+
/* Because we use RCU lookups, we set ct_general.use to zero before
* this is inserted in any list.
*/
@@ -1527,6 +1530,7 @@ void nf_conntrack_free(struct nf_conn *ct)
nf_ct_ext_destroy(ct);
kmem_cache_free(nf_conntrack_cachep, ct);
smp_mb__before_atomic();
+ trace_android_rvh_nf_conn_free(ct);
atomic_dec(&net->ct.count);
}
EXPORT_SYMBOL_GPL(nf_conntrack_free);
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index 2f7cf5e..90579d0 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -28,6 +28,11 @@
#include <linux/kobject.h>
#include <linux/workqueue.h>
#include <linux/sysfs.h>
+#include <linux/suspend.h>
+#include <net/sock.h>
+#include <net/inet_sock.h>
+
+#define NLMSG_MAX_SIZE 64
struct idletimer_tg {
struct list_head entry;
@@ -38,15 +43,112 @@ struct idletimer_tg {
struct kobject *kobj;
struct device_attribute attr;
+ struct timespec64 delayed_timer_trigger;
+ struct timespec64 last_modified_timer;
+ struct timespec64 last_suspend_time;
+ struct notifier_block pm_nb;
+
+ int timeout;
unsigned int refcnt;
u8 timer_type;
+
+ bool work_pending;
+ bool send_nl_msg;
+ bool active;
+ uid_t uid;
+ bool suspend_time_valid;
};
static LIST_HEAD(idletimer_tg_list);
static DEFINE_MUTEX(list_mutex);
+static DEFINE_SPINLOCK(timestamp_lock);
static struct kobject *idletimer_tg_kobj;
+static bool check_for_delayed_trigger(struct idletimer_tg *timer,
+ struct timespec64 *ts)
+{
+ bool state;
+ struct timespec64 temp;
+ spin_lock_bh(×tamp_lock);
+ timer->work_pending = false;
+ if ((ts->tv_sec - timer->last_modified_timer.tv_sec) > timer->timeout ||
+ timer->delayed_timer_trigger.tv_sec != 0) {
+ state = false;
+ temp.tv_sec = timer->timeout;
+ temp.tv_nsec = 0;
+ if (timer->delayed_timer_trigger.tv_sec != 0) {
+ temp = timespec64_add(timer->delayed_timer_trigger,
+ temp);
+ ts->tv_sec = temp.tv_sec;
+ ts->tv_nsec = temp.tv_nsec;
+ timer->delayed_timer_trigger.tv_sec = 0;
+ timer->work_pending = true;
+ schedule_work(&timer->work);
+ } else {
+ temp = timespec64_add(timer->last_modified_timer, temp);
+ ts->tv_sec = temp.tv_sec;
+ ts->tv_nsec = temp.tv_nsec;
+ }
+ } else {
+ state = timer->active;
+ }
+ spin_unlock_bh(×tamp_lock);
+ return state;
+}
+
+static void notify_netlink_uevent(const char *iface, struct idletimer_tg *timer)
+{
+ char iface_msg[NLMSG_MAX_SIZE];
+ char state_msg[NLMSG_MAX_SIZE];
+ char timestamp_msg[NLMSG_MAX_SIZE];
+ char uid_msg[NLMSG_MAX_SIZE];
+ char *envp[] = { iface_msg, state_msg, timestamp_msg, uid_msg, NULL };
+ int res;
+ struct timespec64 ts;
+ u64 time_ns;
+ bool state;
+
+ res = snprintf(iface_msg, NLMSG_MAX_SIZE, "INTERFACE=%s",
+ iface);
+ if (NLMSG_MAX_SIZE <= res) {
+ pr_err("message too long (%d)\n", res);
+ return;
+ }
+
+ ts = ktime_to_timespec64(ktime_get_boottime());
+ state = check_for_delayed_trigger(timer, &ts);
+ res = snprintf(state_msg, NLMSG_MAX_SIZE, "STATE=%s",
+ state ? "active" : "inactive");
+
+ if (NLMSG_MAX_SIZE <= res) {
+ pr_err("message too long (%d)\n", res);
+ return;
+ }
+
+ if (state) {
+ res = snprintf(uid_msg, NLMSG_MAX_SIZE, "UID=%u", timer->uid);
+ if (NLMSG_MAX_SIZE <= res)
+ pr_err("message too long (%d)\n", res);
+ } else {
+ res = snprintf(uid_msg, NLMSG_MAX_SIZE, "UID=");
+ if (NLMSG_MAX_SIZE <= res)
+ pr_err("message too long (%d)\n", res);
+ }
+
+ time_ns = timespec64_to_ns(&ts);
+ res = snprintf(timestamp_msg, NLMSG_MAX_SIZE, "TIME_NS=%llu", time_ns);
+ if (NLMSG_MAX_SIZE <= res) {
+ timestamp_msg[0] = '\0';
+ pr_err("message too long (%d)\n", res);
+ }
+
+ pr_debug("putting nlmsg: <%s> <%s> <%s> <%s>\n", iface_msg, state_msg,
+ timestamp_msg, uid_msg);
+ kobject_uevent_env(idletimer_tg_kobj, KOBJ_CHANGE, envp);
+ return;
+}
+
static
struct idletimer_tg *__idletimer_tg_find_by_label(const char *label)
{
@@ -67,6 +169,7 @@ static ssize_t idletimer_tg_show(struct device *dev,
unsigned long expires = 0;
struct timespec64 ktimespec = {};
long time_diff = 0;
+ unsigned long now = jiffies;
mutex_lock(&list_mutex);
@@ -78,16 +181,20 @@ static ssize_t idletimer_tg_show(struct device *dev,
time_diff = ktimespec.tv_sec;
} else {
expires = timer->timer.expires;
- time_diff = jiffies_to_msecs(expires - jiffies) / 1000;
+ time_diff = jiffies_to_msecs(expires - now) / 1000;
}
}
mutex_unlock(&list_mutex);
- if (time_after(expires, jiffies) || ktimespec.tv_sec > 0)
- return snprintf(buf, PAGE_SIZE, "%ld\n", time_diff);
+ if (time_after(expires, now) || ktimespec.tv_sec > 0)
+ return scnprintf(buf, PAGE_SIZE, "%ld\n", time_diff);
- return snprintf(buf, PAGE_SIZE, "0\n");
+ if (timer->send_nl_msg)
+ return scnprintf(buf, PAGE_SIZE, "0 %d\n",
+ jiffies_to_msecs(now - expires) / 1000);
+
+ return scnprintf(buf, PAGE_SIZE, "0\n");
}
static void idletimer_tg_work(struct work_struct *work)
@@ -96,6 +203,9 @@ static void idletimer_tg_work(struct work_struct *work)
work);
sysfs_notify(idletimer_tg_kobj, NULL, timer->attr.attr.name);
+
+ if (timer->send_nl_msg)
+ notify_netlink_uevent(timer->attr.attr.name, timer);
}
static void idletimer_tg_expired(struct timer_list *t)
@@ -104,7 +214,62 @@ static void idletimer_tg_expired(struct timer_list *t)
pr_debug("timer %s expired\n", timer->attr.attr.name);
+ spin_lock_bh(×tamp_lock);
+ timer->active = false;
+ timer->work_pending = true;
schedule_work(&timer->work);
+ spin_unlock_bh(×tamp_lock);
+}
+
+static int idletimer_resume(struct notifier_block *notifier,
+ unsigned long pm_event, void *unused)
+{
+ struct timespec64 ts;
+ unsigned long time_diff, now = jiffies;
+ struct idletimer_tg *timer = container_of(notifier,
+ struct idletimer_tg, pm_nb);
+ if (!timer)
+ return NOTIFY_DONE;
+
+ switch (pm_event) {
+ case PM_SUSPEND_PREPARE:
+ timer->last_suspend_time =
+ ktime_to_timespec64(ktime_get_boottime());
+ timer->suspend_time_valid = true;
+ break;
+ case PM_POST_SUSPEND:
+ if (!timer->suspend_time_valid)
+ break;
+ timer->suspend_time_valid = false;
+
+ spin_lock_bh(×tamp_lock);
+ if (!timer->active) {
+ spin_unlock_bh(×tamp_lock);
+ break;
+ }
+ /* since jiffies are not updated when suspended now represents
+ * the time it would have suspended */
+ if (time_after(timer->timer.expires, now)) {
+ ts = ktime_to_timespec64(ktime_get_boottime());
+ ts = timespec64_sub(ts, timer->last_suspend_time);
+ time_diff = timespec64_to_jiffies(&ts);
+ if (timer->timer.expires > (time_diff + now)) {
+ mod_timer_pending(&timer->timer,
+ (timer->timer.expires - time_diff));
+ } else {
+ del_timer(&timer->timer);
+ timer->timer.expires = 0;
+ timer->active = false;
+ timer->work_pending = true;
+ schedule_work(&timer->work);
+ }
+ }
+ spin_unlock_bh(×tamp_lock);
+ break;
+ default:
+ break;
+ }
+ return NOTIFY_DONE;
}
static enum alarmtimer_restart idletimer_tg_alarmproc(struct alarm *alarm,
@@ -158,17 +323,34 @@ static int idletimer_tg_create(struct idletimer_tg_info *info)
ret = sysfs_create_file(idletimer_tg_kobj, &info->timer->attr.attr);
if (ret < 0) {
- pr_debug("couldn't add file to sysfs");
+ pr_debug("couldn't add file to sysfs\n");
goto out_free_attr;
}
list_add(&info->timer->entry, &idletimer_tg_list);
-
- timer_setup(&info->timer->timer, idletimer_tg_expired, 0);
+ pr_debug("timer type value is 0.\n");
+ info->timer->timer_type = 0;
info->timer->refcnt = 1;
+ info->timer->send_nl_msg = false;
+ info->timer->active = true;
+ info->timer->timeout = info->timeout;
+
+ info->timer->delayed_timer_trigger.tv_sec = 0;
+ info->timer->delayed_timer_trigger.tv_nsec = 0;
+ info->timer->work_pending = false;
+ info->timer->uid = 0;
+ info->timer->last_modified_timer =
+ ktime_to_timespec64(ktime_get_boottime());
+
+ info->timer->pm_nb.notifier_call = idletimer_resume;
+ ret = register_pm_notifier(&info->timer->pm_nb);
+ if (ret)
+ printk(KERN_WARNING "[%s] Failed to register pm notifier %d\n",
+ __func__, ret);
INIT_WORK(&info->timer->work, idletimer_tg_work);
+ timer_setup(&info->timer->timer, idletimer_tg_expired, 0);
mod_timer(&info->timer->timer,
msecs_to_jiffies(info->timeout * 1000) + jiffies);
@@ -186,7 +368,7 @@ static int idletimer_tg_create_v1(struct idletimer_tg_info_v1 *info)
{
int ret;
- info->timer = kmalloc(sizeof(*info->timer), GFP_KERNEL);
+ info->timer = kzalloc(sizeof(*info->timer), GFP_KERNEL);
if (!info->timer) {
ret = -ENOMEM;
goto out;
@@ -207,7 +389,7 @@ static int idletimer_tg_create_v1(struct idletimer_tg_info_v1 *info)
ret = sysfs_create_file(idletimer_tg_kobj, &info->timer->attr.attr);
if (ret < 0) {
- pr_debug("couldn't add file to sysfs");
+ pr_debug("couldn't add file to sysfs\n");
goto out_free_attr;
}
@@ -215,9 +397,25 @@ static int idletimer_tg_create_v1(struct idletimer_tg_info_v1 *info)
kobject_uevent(idletimer_tg_kobj,KOBJ_ADD);
list_add(&info->timer->entry, &idletimer_tg_list);
- pr_debug("timer type value is %u", info->timer_type);
+ pr_debug("timer type value is %u\n", info->timer_type);
info->timer->timer_type = info->timer_type;
info->timer->refcnt = 1;
+ info->timer->send_nl_msg = (info->send_nl_msg != 0);
+ info->timer->active = true;
+ info->timer->timeout = info->timeout;
+
+ info->timer->delayed_timer_trigger.tv_sec = 0;
+ info->timer->delayed_timer_trigger.tv_nsec = 0;
+ info->timer->work_pending = false;
+ info->timer->uid = 0;
+ info->timer->last_modified_timer =
+ ktime_to_timespec64(ktime_get_boottime());
+
+ info->timer->pm_nb.notifier_call = idletimer_resume;
+ ret = register_pm_notifier(&info->timer->pm_nb);
+ if (ret)
+ printk(KERN_WARNING "[%s] Failed to register pm notifier %d\n",
+ __func__, ret);
INIT_WORK(&info->timer->work, idletimer_tg_work);
@@ -231,7 +429,7 @@ static int idletimer_tg_create_v1(struct idletimer_tg_info_v1 *info)
} else {
timer_setup(&info->timer->timer, idletimer_tg_expired, 0);
mod_timer(&info->timer->timer,
- msecs_to_jiffies(info->timeout * 1000) + jiffies);
+ msecs_to_jiffies(info->timeout * 1000) + jiffies);
}
return 0;
@@ -244,6 +442,41 @@ static int idletimer_tg_create_v1(struct idletimer_tg_info_v1 *info)
return ret;
}
+static void reset_timer(struct idletimer_tg * const info_timer,
+ const __u32 info_timeout,
+ struct sk_buff *skb)
+{
+ unsigned long now = jiffies;
+ bool timer_prev;
+
+ spin_lock_bh(×tamp_lock);
+ timer_prev = info_timer->active;
+ info_timer->active = true;
+ /* timer_prev is used to guard overflow problem in time_before*/
+ if (!timer_prev || time_before(info_timer->timer.expires, now)) {
+ pr_debug("Starting Checkentry timer (Expired, Jiffies): %lu, %lu\n",
+ info_timer->timer.expires, now);
+
+ /* Stores the uid resposible for waking up the radio */
+ if (skb && (skb->sk)) {
+ info_timer->uid = from_kuid_munged(current_user_ns(),
+ sock_i_uid(skb_to_full_sk(skb)));
+ }
+
+ /* checks if there is a pending inactive notification*/
+ if (info_timer->work_pending)
+ info_timer->delayed_timer_trigger = info_timer->last_modified_timer;
+ else {
+ info_timer->work_pending = true;
+ schedule_work(&info_timer->work);
+ }
+ }
+
+ info_timer->last_modified_timer = ktime_to_timespec64(ktime_get_boottime());
+ mod_timer(&info_timer->timer, msecs_to_jiffies(info_timeout * 1000) + now);
+ spin_unlock_bh(×tamp_lock);
+}
+
/*
* The actual xt_tables plugin.
*/
@@ -251,12 +484,21 @@ static unsigned int idletimer_tg_target(struct sk_buff *skb,
const struct xt_action_param *par)
{
const struct idletimer_tg_info *info = par->targinfo;
+ unsigned long now = jiffies;
pr_debug("resetting timer %s, timeout period %u\n",
info->label, info->timeout);
- mod_timer(&info->timer->timer,
- msecs_to_jiffies(info->timeout * 1000) + jiffies);
+ info->timer->active = true;
+
+ if (time_before(info->timer->timer.expires, now)) {
+ schedule_work(&info->timer->work);
+ pr_debug("Starting timer %s (Expired, Jiffies): %lu, %lu\n",
+ info->label, info->timer->timer.expires, now);
+ }
+
+ /* TODO: Avoid modifying timers on each packet */
+ reset_timer(info->timer, info->timeout, skb);
return XT_CONTINUE;
}
@@ -268,6 +510,7 @@ static unsigned int idletimer_tg_target_v1(struct sk_buff *skb,
const struct xt_action_param *par)
{
const struct idletimer_tg_info_v1 *info = par->targinfo;
+ unsigned long now = jiffies;
pr_debug("resetting timer %s, timeout period %u\n",
info->label, info->timeout);
@@ -276,8 +519,16 @@ static unsigned int idletimer_tg_target_v1(struct sk_buff *skb,
ktime_t tout = ktime_set(info->timeout, 0);
alarm_start_relative(&info->timer->alarm, tout);
} else {
- mod_timer(&info->timer->timer,
- msecs_to_jiffies(info->timeout * 1000) + jiffies);
+ info->timer->active = true;
+
+ if (time_before(info->timer->timer.expires, now)) {
+ schedule_work(&info->timer->work);
+ pr_debug("Starting timer %s (Expired, Jiffies): %lu, %lu\n",
+ info->label, info->timer->timer.expires, now);
+ }
+
+ /* TODO: Avoid modifying timers on each packet */
+ reset_timer(info->timer, info->timeout, skb);
}
return XT_CONTINUE;
@@ -321,9 +572,7 @@ static int idletimer_tg_checkentry(const struct xt_tgchk_param *par)
info->timer = __idletimer_tg_find_by_label(info->label);
if (info->timer) {
info->timer->refcnt++;
- mod_timer(&info->timer->timer,
- msecs_to_jiffies(info->timeout * 1000) + jiffies);
-
+ reset_timer(info->timer, info->timeout, NULL);
pr_debug("increased refcnt of timer %s to %u\n",
info->label, info->timer->refcnt);
} else {
@@ -346,9 +595,6 @@ static int idletimer_tg_checkentry_v1(const struct xt_tgchk_param *par)
pr_debug("checkentry targinfo%s\n", info->label);
- if (info->send_nl_msg)
- return -EOPNOTSUPP;
-
ret = idletimer_tg_helper((struct idletimer_tg_info *)info);
if(ret < 0)
{
@@ -361,6 +607,11 @@ static int idletimer_tg_checkentry_v1(const struct xt_tgchk_param *par)
return -EINVAL;
}
+ if (info->send_nl_msg > 1) {
+ pr_debug("invalid value for send_nl_msg\n");
+ return -EINVAL;
+ }
+
mutex_lock(&list_mutex);
info->timer = __idletimer_tg_find_by_label(info->label);
@@ -383,8 +634,7 @@ static int idletimer_tg_checkentry_v1(const struct xt_tgchk_param *par)
alarm_start_relative(&info->timer->alarm, tout);
}
} else {
- mod_timer(&info->timer->timer,
- msecs_to_jiffies(info->timeout * 1000) + jiffies);
+ reset_timer(info->timer, info->timeout, NULL);
}
pr_debug("increased refcnt of timer %s to %u\n",
info->label, info->timer->refcnt);
@@ -414,8 +664,9 @@ static void idletimer_tg_destroy(const struct xt_tgdtor_param *par)
list_del(&info->timer->entry);
del_timer_sync(&info->timer->timer);
- cancel_work_sync(&info->timer->work);
sysfs_remove_file(idletimer_tg_kobj, &info->timer->attr.attr);
+ unregister_pm_notifier(&info->timer->pm_nb);
+ cancel_work_sync(&info->timer->work);
kfree(info->timer->attr.attr.name);
kfree(info->timer);
} else {
@@ -443,8 +694,9 @@ static void idletimer_tg_destroy_v1(const struct xt_tgdtor_param *par)
} else {
del_timer_sync(&info->timer->timer);
}
- cancel_work_sync(&info->timer->work);
sysfs_remove_file(idletimer_tg_kobj, &info->timer->attr.attr);
+ unregister_pm_notifier(&info->timer->pm_nb);
+ cancel_work_sync(&info->timer->work);
kfree(info->timer->attr.attr.name);
kfree(info->timer);
} else {
@@ -540,3 +792,4 @@ MODULE_DESCRIPTION("Xtables: idle time monitor");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("ipt_IDLETIMER");
MODULE_ALIAS("ip6t_IDLETIMER");
+MODULE_ALIAS("arpt_IDLETIMER");
diff --git a/net/netfilter/xt_quota2.c b/net/netfilter/xt_quota2.c
new file mode 100644
index 0000000..641e36e
--- /dev/null
+++ b/net/netfilter/xt_quota2.c
@@ -0,0 +1,397 @@
+/*
+ * xt_quota2 - enhanced xt_quota that can count upwards and in packets
+ * as a minimal accounting match.
+ * by Jan Engelhardt <jengelh@medozas.de>, 2008
+ *
+ * Originally based on xt_quota.c:
+ * netfilter module to enforce network quotas
+ * Sam Johnston <samj@samj.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License; either
+ * version 2 of the License, as published by the Free Software Foundation.
+ */
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <asm/atomic.h>
+#include <net/netlink.h>
+
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter/xt_quota2.h>
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+/* For compatibility, these definitions are copied from the
+ * deprecated header file <linux/netfilter_ipv4/ipt_ULOG.h> */
+#define ULOG_MAC_LEN 80
+#define ULOG_PREFIX_LEN 32
+
+/* Format of the ULOG packets passed through netlink */
+typedef struct ulog_packet_msg {
+ unsigned long mark;
+ long timestamp_sec;
+ long timestamp_usec;
+ unsigned int hook;
+ char indev_name[IFNAMSIZ];
+ char outdev_name[IFNAMSIZ];
+ size_t data_len;
+ char prefix[ULOG_PREFIX_LEN];
+ unsigned char mac_len;
+ unsigned char mac[ULOG_MAC_LEN];
+ unsigned char payload[0];
+} ulog_packet_msg_t;
+#endif
+
+/**
+ * @lock: lock to protect quota writers from each other
+ */
+struct xt_quota_counter {
+ u_int64_t quota;
+ spinlock_t lock;
+ struct list_head list;
+ atomic_t ref;
+ char name[sizeof(((struct xt_quota_mtinfo2 *)NULL)->name)];
+ struct proc_dir_entry *procfs_entry;
+};
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+/* Harald's favorite number +1 :D From ipt_ULOG.C */
+static int qlog_nl_event = 112;
+module_param_named(event_num, qlog_nl_event, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(event_num,
+ "Event number for NETLINK_NFLOG message. 0 disables log."
+ "111 is what ipt_ULOG uses.");
+static struct sock *nflognl;
+#endif
+
+static LIST_HEAD(counter_list);
+static DEFINE_SPINLOCK(counter_list_lock);
+
+static struct proc_dir_entry *proc_xt_quota;
+static unsigned int quota_list_perms = S_IRUGO | S_IWUSR;
+static kuid_t quota_list_uid = KUIDT_INIT(0);
+static kgid_t quota_list_gid = KGIDT_INIT(0);
+module_param_named(perms, quota_list_perms, uint, S_IRUGO | S_IWUSR);
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+static void quota2_log(unsigned int hooknum,
+ const struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ const char *prefix)
+{
+ ulog_packet_msg_t *pm;
+ struct sk_buff *log_skb;
+ size_t size;
+ struct nlmsghdr *nlh;
+
+ if (!qlog_nl_event)
+ return;
+
+ size = NLMSG_SPACE(sizeof(*pm));
+ size = max(size, (size_t)NLMSG_GOODSIZE);
+ log_skb = alloc_skb(size, GFP_ATOMIC);
+ if (!log_skb) {
+ pr_err("xt_quota2: cannot alloc skb for logging\n");
+ return;
+ }
+
+ nlh = nlmsg_put(log_skb, /*pid*/0, /*seq*/0, qlog_nl_event,
+ sizeof(*pm), 0);
+ if (!nlh) {
+ pr_err("xt_quota2: nlmsg_put failed\n");
+ kfree_skb(log_skb);
+ return;
+ }
+ pm = nlmsg_data(nlh);
+ memset(pm, 0, sizeof(*pm));
+ if (skb->tstamp == 0)
+ __net_timestamp((struct sk_buff *)skb);
+ pm->hook = hooknum;
+ if (prefix != NULL)
+ strlcpy(pm->prefix, prefix, sizeof(pm->prefix));
+ if (in)
+ strlcpy(pm->indev_name, in->name, sizeof(pm->indev_name));
+ if (out)
+ strlcpy(pm->outdev_name, out->name, sizeof(pm->outdev_name));
+
+ NETLINK_CB(log_skb).dst_group = 1;
+ pr_debug("throwing 1 packets to netlink group 1\n");
+ netlink_broadcast(nflognl, log_skb, 0, 1, GFP_ATOMIC);
+}
+#else
+static void quota2_log(unsigned int hooknum,
+ const struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ const char *prefix)
+{
+}
+#endif /* if+else CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG */
+
+static ssize_t quota_proc_read(struct file *file, char __user *buf,
+ size_t size, loff_t *ppos)
+{
+ struct xt_quota_counter *e = PDE_DATA(file_inode(file));
+ char tmp[24];
+ size_t tmp_size;
+
+ spin_lock_bh(&e->lock);
+ tmp_size = scnprintf(tmp, sizeof(tmp), "%llu\n", e->quota);
+ spin_unlock_bh(&e->lock);
+ return simple_read_from_buffer(buf, size, ppos, tmp, tmp_size);
+}
+
+static ssize_t quota_proc_write(struct file *file, const char __user *input,
+ size_t size, loff_t *ppos)
+{
+ struct xt_quota_counter *e = PDE_DATA(file_inode(file));
+ char buf[sizeof("18446744073709551616")];
+
+ if (size > sizeof(buf))
+ size = sizeof(buf);
+ if (copy_from_user(buf, input, size) != 0)
+ return -EFAULT;
+ buf[sizeof(buf)-1] = '\0';
+ if (size < sizeof(buf))
+ buf[size] = '\0';
+
+ spin_lock_bh(&e->lock);
+ e->quota = simple_strtoull(buf, NULL, 0);
+ spin_unlock_bh(&e->lock);
+ return size;
+}
+
+static const struct proc_ops q2_counter_fops = {
+ .proc_read = quota_proc_read,
+ .proc_write = quota_proc_write,
+ .proc_lseek = default_llseek,
+};
+
+static struct xt_quota_counter *
+q2_new_counter(const struct xt_quota_mtinfo2 *q, bool anon)
+{
+ struct xt_quota_counter *e;
+ unsigned int size;
+
+ /* Do not need all the procfs things for anonymous counters. */
+ size = anon ? offsetof(typeof(*e), list) : sizeof(*e);
+ e = kmalloc(size, GFP_KERNEL);
+ if (e == NULL)
+ return NULL;
+
+ e->quota = q->quota;
+ spin_lock_init(&e->lock);
+ if (!anon) {
+ INIT_LIST_HEAD(&e->list);
+ atomic_set(&e->ref, 1);
+ strlcpy(e->name, q->name, sizeof(e->name));
+ }
+ return e;
+}
+
+/**
+ * q2_get_counter - get ref to counter or create new
+ * @name: name of counter
+ */
+static struct xt_quota_counter *
+q2_get_counter(const struct xt_quota_mtinfo2 *q)
+{
+ struct proc_dir_entry *p;
+ struct xt_quota_counter *e = NULL;
+ struct xt_quota_counter *new_e;
+
+ if (*q->name == '\0')
+ return q2_new_counter(q, true);
+
+ /* No need to hold a lock while getting a new counter */
+ new_e = q2_new_counter(q, false);
+ if (new_e == NULL)
+ goto out;
+
+ spin_lock_bh(&counter_list_lock);
+ list_for_each_entry(e, &counter_list, list)
+ if (strcmp(e->name, q->name) == 0) {
+ atomic_inc(&e->ref);
+ spin_unlock_bh(&counter_list_lock);
+ kfree(new_e);
+ pr_debug("xt_quota2: old counter name=%s", e->name);
+ return e;
+ }
+ e = new_e;
+ pr_debug("xt_quota2: new_counter name=%s", e->name);
+ list_add_tail(&e->list, &counter_list);
+ /* The entry having a refcount of 1 is not directly destructible.
+ * This func has not yet returned the new entry, thus iptables
+ * has not references for destroying this entry.
+ * For another rule to try to destroy it, it would 1st need for this
+ * func* to be re-invoked, acquire a new ref for the same named quota.
+ * Nobody will access the e->procfs_entry either.
+ * So release the lock. */
+ spin_unlock_bh(&counter_list_lock);
+
+ /* create_proc_entry() is not spin_lock happy */
+ p = e->procfs_entry = proc_create_data(e->name, quota_list_perms,
+ proc_xt_quota, &q2_counter_fops, e);
+
+ if (IS_ERR_OR_NULL(p)) {
+ spin_lock_bh(&counter_list_lock);
+ list_del(&e->list);
+ spin_unlock_bh(&counter_list_lock);
+ goto out;
+ }
+ proc_set_user(p, quota_list_uid, quota_list_gid);
+ return e;
+
+ out:
+ kfree(e);
+ return NULL;
+}
+
+static int quota_mt2_check(const struct xt_mtchk_param *par)
+{
+ struct xt_quota_mtinfo2 *q = par->matchinfo;
+
+ pr_debug("xt_quota2: check() flags=0x%04x", q->flags);
+
+ if (q->flags & ~XT_QUOTA_MASK)
+ return -EINVAL;
+
+ q->name[sizeof(q->name)-1] = '\0';
+ if (*q->name == '.' || strchr(q->name, '/') != NULL) {
+ printk(KERN_ERR "xt_quota.3: illegal name\n");
+ return -EINVAL;
+ }
+
+ q->master = q2_get_counter(q);
+ if (q->master == NULL) {
+ printk(KERN_ERR "xt_quota.3: memory alloc failure\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void quota_mt2_destroy(const struct xt_mtdtor_param *par)
+{
+ struct xt_quota_mtinfo2 *q = par->matchinfo;
+ struct xt_quota_counter *e = q->master;
+
+ if (*q->name == '\0') {
+ kfree(e);
+ return;
+ }
+
+ spin_lock_bh(&counter_list_lock);
+ if (!atomic_dec_and_test(&e->ref)) {
+ spin_unlock_bh(&counter_list_lock);
+ return;
+ }
+
+ list_del(&e->list);
+ spin_unlock_bh(&counter_list_lock);
+ remove_proc_entry(e->name, proc_xt_quota);
+ kfree(e);
+}
+
+static bool
+quota_mt2(const struct sk_buff *skb, struct xt_action_param *par)
+{
+ struct xt_quota_mtinfo2 *q = (void *)par->matchinfo;
+ struct xt_quota_counter *e = q->master;
+ int charge = (q->flags & XT_QUOTA_PACKET) ? 1 : skb->len;
+ bool no_change = q->flags & XT_QUOTA_NO_CHANGE;
+ bool ret = q->flags & XT_QUOTA_INVERT;
+
+ spin_lock_bh(&e->lock);
+ if (q->flags & XT_QUOTA_GROW) {
+ /*
+ * While no_change is pointless in "grow" mode, we will
+ * implement it here simply to have a consistent behavior.
+ */
+ if (!no_change)
+ e->quota += charge;
+ ret = true; /* note: does not respect inversion (bug??) */
+ } else {
+ if (e->quota > charge) {
+ if (!no_change)
+ e->quota -= charge;
+ ret = !ret;
+ } else if (e->quota) {
+ /* We are transitioning, log that fact. */
+ quota2_log(xt_hooknum(par),
+ skb,
+ xt_in(par),
+ xt_out(par),
+ q->name);
+ /* we do not allow even small packets from now on */
+ e->quota = 0;
+ }
+ }
+ spin_unlock_bh(&e->lock);
+ return ret;
+}
+
+static struct xt_match quota_mt2_reg[] __read_mostly = {
+ {
+ .name = "quota2",
+ .revision = 3,
+ .family = NFPROTO_IPV4,
+ .checkentry = quota_mt2_check,
+ .match = quota_mt2,
+ .destroy = quota_mt2_destroy,
+ .matchsize = sizeof(struct xt_quota_mtinfo2),
+ .usersize = offsetof(struct xt_quota_mtinfo2, master),
+ .me = THIS_MODULE,
+ },
+ {
+ .name = "quota2",
+ .revision = 3,
+ .family = NFPROTO_IPV6,
+ .checkentry = quota_mt2_check,
+ .match = quota_mt2,
+ .destroy = quota_mt2_destroy,
+ .matchsize = sizeof(struct xt_quota_mtinfo2),
+ .usersize = offsetof(struct xt_quota_mtinfo2, master),
+ .me = THIS_MODULE,
+ },
+};
+
+static int __init quota_mt2_init(void)
+{
+ int ret;
+ pr_debug("xt_quota2: init()");
+
+#ifdef CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG
+ nflognl = netlink_kernel_create(&init_net, NETLINK_NFLOG, NULL);
+ if (!nflognl)
+ return -ENOMEM;
+#endif
+
+ proc_xt_quota = proc_mkdir("xt_quota", init_net.proc_net);
+ if (proc_xt_quota == NULL)
+ return -EACCES;
+
+ ret = xt_register_matches(quota_mt2_reg, ARRAY_SIZE(quota_mt2_reg));
+ if (ret < 0)
+ remove_proc_entry("xt_quota", init_net.proc_net);
+ pr_debug("xt_quota2: init() %d", ret);
+ return ret;
+}
+
+static void __exit quota_mt2_exit(void)
+{
+ xt_unregister_matches(quota_mt2_reg, ARRAY_SIZE(quota_mt2_reg));
+ remove_proc_entry("xt_quota", init_net.proc_net);
+}
+
+module_init(quota_mt2_init);
+module_exit(quota_mt2_exit);
+MODULE_DESCRIPTION("Xtables: countdown quota match; up counter");
+MODULE_AUTHOR("Sam Johnston <samj@samj.net>");
+MODULE_AUTHOR("Jan Engelhardt <jengelh@medozas.de>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("ipt_quota2");
+MODULE_ALIAS("ip6t_quota2");
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 6a9c1a3..05aa257 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -1303,15 +1303,6 @@ static int qdisc_change_tx_queue_len(struct net_device *dev,
return 0;
}
-void dev_qdisc_change_real_num_tx(struct net_device *dev,
- unsigned int new_real_tx)
-{
- struct Qdisc *qdisc = dev->qdisc;
-
- if (qdisc->ops->change_real_num_tx)
- qdisc->ops->change_real_num_tx(qdisc, new_real_tx);
-}
-
int dev_qdisc_change_tx_queue_len(struct net_device *dev)
{
bool up = dev->flags & IFF_UP;
diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index db18d8a..e79f1af 100644
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -125,29 +125,6 @@ static void mq_attach(struct Qdisc *sch)
priv->qdiscs = NULL;
}
-static void mq_change_real_num_tx(struct Qdisc *sch, unsigned int new_real_tx)
-{
-#ifdef CONFIG_NET_SCHED
- struct net_device *dev = qdisc_dev(sch);
- struct Qdisc *qdisc;
- unsigned int i;
-
- for (i = new_real_tx; i < dev->real_num_tx_queues; i++) {
- qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping;
- /* Only update the default qdiscs we created,
- * qdiscs with handles are always hashed.
- */
- if (qdisc != &noop_qdisc && !qdisc->handle)
- qdisc_hash_del(qdisc);
- }
- for (i = dev->real_num_tx_queues; i < new_real_tx; i++) {
- qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping;
- if (qdisc != &noop_qdisc && !qdisc->handle)
- qdisc_hash_add(qdisc, false);
- }
-#endif
-}
-
static int mq_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct net_device *dev = qdisc_dev(sch);
@@ -311,7 +288,6 @@ struct Qdisc_ops mq_qdisc_ops __read_mostly = {
.init = mq_init,
.destroy = mq_destroy,
.attach = mq_attach,
- .change_real_num_tx = mq_change_real_num_tx,
.dump = mq_dump,
.owner = THIS_MODULE,
};
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index 50e15ad..5eb3b1b 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -306,28 +306,6 @@ static void mqprio_attach(struct Qdisc *sch)
priv->qdiscs = NULL;
}
-static void mqprio_change_real_num_tx(struct Qdisc *sch,
- unsigned int new_real_tx)
-{
- struct net_device *dev = qdisc_dev(sch);
- struct Qdisc *qdisc;
- unsigned int i;
-
- for (i = new_real_tx; i < dev->real_num_tx_queues; i++) {
- qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping;
- /* Only update the default qdiscs we created,
- * qdiscs with handles are always hashed.
- */
- if (qdisc != &noop_qdisc && !qdisc->handle)
- qdisc_hash_del(qdisc);
- }
- for (i = dev->real_num_tx_queues; i < new_real_tx; i++) {
- qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping;
- if (qdisc != &noop_qdisc && !qdisc->handle)
- qdisc_hash_add(qdisc, false);
- }
-}
-
static struct netdev_queue *mqprio_queue_get(struct Qdisc *sch,
unsigned long cl)
{
@@ -651,7 +629,6 @@ static struct Qdisc_ops mqprio_qdisc_ops __read_mostly = {
.init = mqprio_init,
.destroy = mqprio_destroy,
.attach = mqprio_attach,
- .change_real_num_tx = mqprio_change_real_num_tx,
.dump = mqprio_dump,
.owner = THIS_MODULE,
};
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index e872bc5..f87c823 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -411,6 +411,9 @@ static int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len)
}
}
+ if (snum && inet_is_local_unbindable_port(net, snum))
+ return -EPERM;
+
if (snum && inet_port_requires_bind_service(net, snum) &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
return -EACCES;
@@ -1079,6 +1082,8 @@ static int sctp_connect_new_asoc(struct sctp_endpoint *ep,
if (sctp_autobind(sk))
return -EAGAIN;
} else {
+ if (inet_is_local_unbindable_port(net, ep->base.bind_addr.port))
+ return -EPERM;
if (inet_port_requires_bind_service(net, ep->base.bind_addr.port) &&
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
return -EACCES;
diff --git a/net/socket.c b/net/socket.c
index d52c265..9b82131 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -314,7 +314,8 @@ static const struct dentry_operations sockfs_dentry_operations = {
static int sockfs_xattr_get(const struct xattr_handler *handler,
struct dentry *dentry, struct inode *inode,
- const char *suffix, void *value, size_t size)
+ const char *suffix, void *value, size_t size,
+ int flags)
{
if (value) {
if (dentry->d_name.len + 1 > size)
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index f6a6ace..2ac33d3 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -381,8 +381,8 @@ static struct publication *tipc_service_remove_publ(struct service_range *sr,
* Code reused: time_after32() for the same purpose
*/
#define publication_after(pa, pb) time_after32((pa)->id, (pb)->id)
-static int tipc_publ_sort(void *priv, const struct list_head *a,
- const struct list_head *b)
+static int tipc_publ_sort(void *priv, struct list_head *a,
+ struct list_head *b)
{
struct publication *pa, *pb;
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 902cb6d..ce40410 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -26,6 +26,10 @@
/* Threshold for detecting small packets to copy */
#define GOOD_COPY_LEN 128
+uint virtio_transport_max_vsock_pkt_buf_size = 64 * 1024;
+module_param(virtio_transport_max_vsock_pkt_buf_size, uint, 0444);
+EXPORT_SYMBOL_GPL(virtio_transport_max_vsock_pkt_buf_size);
+
static const struct virtio_transport *
virtio_transport_get_ops(struct vsock_sock *vsk)
{
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 8fb0478..0890b42 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -719,6 +719,9 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
[NL80211_ATTR_S1G_CAPABILITY_MASK] =
NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN),
+ [NL80211_ATTR_SAE_PWE] =
+ NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK,
+ NL80211_SAE_PWE_BOTH),
};
/* policy for the key attributes */
@@ -9736,6 +9739,12 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev,
nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]);
}
+ if (info->attrs[NL80211_ATTR_SAE_PWE])
+ settings->sae_pwe =
+ nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]);
+ else
+ settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED;
+
return 0;
}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4b32e85..423fc9e 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1318,20 +1318,22 @@ static u32 cfg80211_calculate_bitrate_vht(struct rate_info *rate)
static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
{
-#define SCALE 2048
- u16 mcs_divisors[12] = {
- 34133, /* 16.666666... */
- 17067, /* 8.333333... */
- 11378, /* 5.555555... */
- 8533, /* 4.166666... */
- 5689, /* 2.777777... */
- 4267, /* 2.083333... */
- 3923, /* 1.851851... */
- 3413, /* 1.666666... */
- 2844, /* 1.388888... */
- 2560, /* 1.250000... */
- 2276, /* 1.111111... */
- 2048, /* 1.000000... */
+#define SCALE 6144
+ u32 mcs_divisors[14] = {
+ 102399, /* 16.666666... */
+ 51201, /* 8.333333... */
+ 34134, /* 5.555555... */
+ 25599, /* 4.166666... */
+ 17067, /* 2.777777... */
+ 12801, /* 2.083333... */
+ 11769, /* 1.851851... */
+ 10239, /* 1.666666... */
+ 8532, /* 1.388888... */
+ 7680, /* 1.250000... */
+ 6828, /* 1.111111... */
+ 6144, /* 1.000000... */
+ 5690, /* 0.926106... */
+ 5120, /* 0.833333... */
};
u32 rates_160M[3] = { 960777777, 907400000, 816666666 };
u32 rates_969[3] = { 480388888, 453700000, 408333333 };
@@ -1343,7 +1345,7 @@ static u32 cfg80211_calculate_bitrate_he(struct rate_info *rate)
u64 tmp;
u32 result;
- if (WARN_ON_ONCE(rate->mcs > 11))
+ if (WARN_ON_ONCE(rate->mcs > 13))
return 0;
if (WARN_ON_ONCE(rate->he_gi > NL80211_RATE_INFO_HE_GI_3_2))
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 78f2927..cf54c6e 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -1472,39 +1472,78 @@ static int cfg80211_wext_siwpmksa(struct net_device *dev,
}
}
+#define DEFINE_WEXT_COMPAT_STUB(func, type) \
+ static int __ ## func(struct net_device *dev, \
+ struct iw_request_info *info, \
+ union iwreq_data *wrqu, \
+ char *extra) \
+ { \
+ return func(dev, info, (type *)wrqu, extra); \
+ }
+
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwname, char)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwfreq, struct iw_freq)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwfreq, struct iw_freq)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwmode, u32)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwmode, u32)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrange, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwap, struct sockaddr)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwap, struct sockaddr)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwmlme, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwscan, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwessid, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwessid, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwrate, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrate, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwrts, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwrts, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwfrag, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwfrag, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwretry, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwretry, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwencode, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwencode, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwpower, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwpower, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwgenie, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_giwauth, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwauth, struct iw_param)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwencodeext, struct iw_point)
+DEFINE_WEXT_COMPAT_STUB(cfg80211_wext_siwpmksa, struct iw_point)
+
static const iw_handler cfg80211_handlers[] = {
- [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
- [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
- [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
- [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
- [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
- [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
- [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
- [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
- [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
- [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
- [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
- [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
- [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
- [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
- [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
- [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
- [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
- [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
- [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
- [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
- [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
- [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
- [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
- [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
- [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
- [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
- [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
- [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
- [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
- [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
- [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
- [IW_IOCTL_IDX(SIOCSIWPMKSA)] = (iw_handler) cfg80211_wext_siwpmksa,
+ [IW_IOCTL_IDX(SIOCGIWNAME)] = __cfg80211_wext_giwname,
+ [IW_IOCTL_IDX(SIOCSIWFREQ)] = __cfg80211_wext_siwfreq,
+ [IW_IOCTL_IDX(SIOCGIWFREQ)] = __cfg80211_wext_giwfreq,
+ [IW_IOCTL_IDX(SIOCSIWMODE)] = __cfg80211_wext_siwmode,
+ [IW_IOCTL_IDX(SIOCGIWMODE)] = __cfg80211_wext_giwmode,
+ [IW_IOCTL_IDX(SIOCGIWRANGE)] = __cfg80211_wext_giwrange,
+ [IW_IOCTL_IDX(SIOCSIWAP)] = __cfg80211_wext_siwap,
+ [IW_IOCTL_IDX(SIOCGIWAP)] = __cfg80211_wext_giwap,
+ [IW_IOCTL_IDX(SIOCSIWMLME)] = __cfg80211_wext_siwmlme,
+ [IW_IOCTL_IDX(SIOCSIWSCAN)] = cfg80211_wext_siwscan,
+ [IW_IOCTL_IDX(SIOCGIWSCAN)] = __cfg80211_wext_giwscan,
+ [IW_IOCTL_IDX(SIOCSIWESSID)] = __cfg80211_wext_siwessid,
+ [IW_IOCTL_IDX(SIOCGIWESSID)] = __cfg80211_wext_giwessid,
+ [IW_IOCTL_IDX(SIOCSIWRATE)] = __cfg80211_wext_siwrate,
+ [IW_IOCTL_IDX(SIOCGIWRATE)] = __cfg80211_wext_giwrate,
+ [IW_IOCTL_IDX(SIOCSIWRTS)] = __cfg80211_wext_siwrts,
+ [IW_IOCTL_IDX(SIOCGIWRTS)] = __cfg80211_wext_giwrts,
+ [IW_IOCTL_IDX(SIOCSIWFRAG)] = __cfg80211_wext_siwfrag,
+ [IW_IOCTL_IDX(SIOCGIWFRAG)] = __cfg80211_wext_giwfrag,
+ [IW_IOCTL_IDX(SIOCSIWTXPOW)] = cfg80211_wext_siwtxpower,
+ [IW_IOCTL_IDX(SIOCGIWTXPOW)] = cfg80211_wext_giwtxpower,
+ [IW_IOCTL_IDX(SIOCSIWRETRY)] = __cfg80211_wext_siwretry,
+ [IW_IOCTL_IDX(SIOCGIWRETRY)] = __cfg80211_wext_giwretry,
+ [IW_IOCTL_IDX(SIOCSIWENCODE)] = __cfg80211_wext_siwencode,
+ [IW_IOCTL_IDX(SIOCGIWENCODE)] = __cfg80211_wext_giwencode,
+ [IW_IOCTL_IDX(SIOCSIWPOWER)] = __cfg80211_wext_siwpower,
+ [IW_IOCTL_IDX(SIOCGIWPOWER)] = __cfg80211_wext_giwpower,
+ [IW_IOCTL_IDX(SIOCSIWGENIE)] = __cfg80211_wext_siwgenie,
+ [IW_IOCTL_IDX(SIOCSIWAUTH)] = __cfg80211_wext_siwauth,
+ [IW_IOCTL_IDX(SIOCGIWAUTH)] = __cfg80211_wext_giwauth,
+ [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= __cfg80211_wext_siwencodeext,
+ [IW_IOCTL_IDX(SIOCSIWPMKSA)] = __cfg80211_wext_siwpmksa,
};
const struct iw_handler_def cfg80211_wext_handler = {
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 4dae3ab..2e80e38 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -237,7 +237,7 @@ static struct xfrm_algo_desc aalg_list[] = {
.uinfo = {
.auth = {
- .icv_truncbits = 96,
+ .icv_truncbits = IS_ENABLED(CONFIG_ANDROID) ? 128 : 96,
.icv_fullbits = 256,
}
},
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index ac907b9..381a5c1 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -402,13 +402,11 @@ static int xfrm_outer_mode_output(struct xfrm_state *x, struct sk_buff *skb)
return -EOPNOTSUPP;
}
-#if IS_ENABLED(CONFIG_NET_PKTGEN)
int pktgen_xfrm_outer_mode_output(struct xfrm_state *x, struct sk_buff *skb)
{
return xfrm_outer_mode_output(x, skb);
}
EXPORT_SYMBOL_GPL(pktgen_xfrm_outer_mode_output);
-#endif
static int xfrm_output_one(struct sk_buff *skb, int err)
{
@@ -503,22 +501,22 @@ static int xfrm_output_one(struct sk_buff *skb, int err)
return err;
}
-int xfrm_output_resume(struct sock *sk, struct sk_buff *skb, int err)
+int xfrm_output_resume(struct sk_buff *skb, int err)
{
struct net *net = xs_net(skb_dst(skb)->xfrm);
while (likely((err = xfrm_output_one(skb, err)) == 0)) {
nf_reset_ct(skb);
- err = skb_dst(skb)->ops->local_out(net, sk, skb);
+ err = skb_dst(skb)->ops->local_out(net, skb->sk, skb);
if (unlikely(err != 1))
goto out;
if (!skb_dst(skb)->xfrm)
- return dst_output(net, sk, skb);
+ return dst_output(net, skb->sk, skb);
err = nf_hook(skb_dst(skb)->ops->family,
- NF_INET_POST_ROUTING, net, sk, skb,
+ NF_INET_POST_ROUTING, net, skb->sk, skb,
NULL, skb_dst(skb)->dev, xfrm_output2);
if (unlikely(err != 1))
goto out;
@@ -534,7 +532,7 @@ EXPORT_SYMBOL_GPL(xfrm_output_resume);
static int xfrm_output2(struct net *net, struct sock *sk, struct sk_buff *skb)
{
- return xfrm_output_resume(sk, skb, 1);
+ return xfrm_output_resume(skb, 1);
}
static int xfrm_output_gso(struct net *net, struct sock *sk, struct sk_buff *skb)
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 3a9831c..b74f28c 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -155,6 +155,7 @@ static struct xfrm_policy_afinfo const __rcu *xfrm_policy_afinfo[AF_INET6 + 1]
__read_mostly;
static struct kmem_cache *xfrm_dst_cache __ro_after_init;
+static __read_mostly seqcount_mutex_t xfrm_policy_hash_generation;
static struct rhashtable xfrm_policy_inexact_table;
static const struct rhashtable_params xfrm_pol_inexact_params;
@@ -584,7 +585,7 @@ static void xfrm_bydst_resize(struct net *net, int dir)
return;
spin_lock_bh(&net->xfrm.xfrm_policy_lock);
- write_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation);
+ write_seqcount_begin(&xfrm_policy_hash_generation);
odst = rcu_dereference_protected(net->xfrm.policy_bydst[dir].table,
lockdep_is_held(&net->xfrm.xfrm_policy_lock));
@@ -595,7 +596,7 @@ static void xfrm_bydst_resize(struct net *net, int dir)
rcu_assign_pointer(net->xfrm.policy_bydst[dir].table, ndst);
net->xfrm.policy_bydst[dir].hmask = nhashmask;
- write_seqcount_end(&net->xfrm.xfrm_policy_hash_generation);
+ write_seqcount_end(&xfrm_policy_hash_generation);
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
synchronize_rcu();
@@ -1244,7 +1245,7 @@ static void xfrm_hash_rebuild(struct work_struct *work)
} while (read_seqretry(&net->xfrm.policy_hthresh.lock, seq));
spin_lock_bh(&net->xfrm.xfrm_policy_lock);
- write_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation);
+ write_seqcount_begin(&xfrm_policy_hash_generation);
/* make sure that we can insert the indirect policies again before
* we start with destructive action.
@@ -1353,7 +1354,7 @@ static void xfrm_hash_rebuild(struct work_struct *work)
out_unlock:
__xfrm_policy_inexact_flush(net);
- write_seqcount_end(&net->xfrm.xfrm_policy_hash_generation);
+ write_seqcount_end(&xfrm_policy_hash_generation);
spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
mutex_unlock(&hash_resize_mutex);
@@ -2094,9 +2095,9 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type,
rcu_read_lock();
retry:
do {
- sequence = read_seqcount_begin(&net->xfrm.xfrm_policy_hash_generation);
+ sequence = read_seqcount_begin(&xfrm_policy_hash_generation);
chain = policy_hash_direct(net, daddr, saddr, family, dir);
- } while (read_seqcount_retry(&net->xfrm.xfrm_policy_hash_generation, sequence));
+ } while (read_seqcount_retry(&xfrm_policy_hash_generation, sequence));
ret = NULL;
hlist_for_each_entry_rcu(pol, chain, bydst) {
@@ -2127,7 +2128,7 @@ static struct xfrm_policy *xfrm_policy_lookup_bytype(struct net *net, u8 type,
}
skip_inexact:
- if (read_seqcount_retry(&net->xfrm.xfrm_policy_hash_generation, sequence))
+ if (read_seqcount_retry(&xfrm_policy_hash_generation, sequence))
goto retry;
if (ret && !xfrm_pol_hold_rcu(ret))
@@ -4122,7 +4123,6 @@ static int __net_init xfrm_net_init(struct net *net)
/* Initialize the per-net locks here */
spin_lock_init(&net->xfrm.xfrm_state_lock);
spin_lock_init(&net->xfrm.xfrm_policy_lock);
- seqcount_spinlock_init(&net->xfrm.xfrm_policy_hash_generation, &net->xfrm.xfrm_policy_lock);
mutex_init(&net->xfrm.xfrm_cfg_mutex);
rv = xfrm_statistics_init(net);
@@ -4167,6 +4167,7 @@ void __init xfrm_init(void)
{
register_pernet_subsys(&xfrm_net_ops);
xfrm_dev_init();
+ seqcount_mutex_init(&xfrm_policy_hash_generation, &hash_resize_mutex);
xfrm_input_init();
#ifdef CONFIG_XFRM_ESPINTCP
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index c158e70..6cbbe81 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -2378,19 +2378,22 @@ int xfrm_user_policy(struct sock *sk, int optname, sockptr_t optval, int optlen)
if (IS_ERR(data))
return PTR_ERR(data);
- if (in_compat_syscall()) {
- struct xfrm_translator *xtr = xfrm_get_translator();
+ /* Use the 64-bit / untranslated format on Android, even for compat */
+ if (!IS_ENABLED(CONFIG_ANDROID) || IS_ENABLED(CONFIG_XFRM_USER_COMPAT)) {
+ if (in_compat_syscall()) {
+ struct xfrm_translator *xtr = xfrm_get_translator();
- if (!xtr) {
- kfree(data);
- return -EOPNOTSUPP;
- }
+ if (!xtr) {
+ kfree(data);
+ return -EOPNOTSUPP;
+ }
- err = xtr->xlate_user_policy_sockptr(&data, optlen);
- xfrm_put_translator(xtr);
- if (err) {
- kfree(data);
- return err;
+ err = xtr->xlate_user_policy_sockptr(&data, optlen);
+ xfrm_put_translator(xtr);
+ if (err) {
+ kfree(data);
+ return err;
+ }
}
}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 6f97665b..40ea3d55 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2705,19 +2705,22 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
if (!netlink_net_capable(skb, CAP_NET_ADMIN))
return -EPERM;
- if (in_compat_syscall()) {
- struct xfrm_translator *xtr = xfrm_get_translator();
+ /* Use the 64-bit / untranslated format on Android, even for compat */
+ if (!IS_ENABLED(CONFIG_ANDROID) || IS_ENABLED(CONFIG_XFRM_USER_COMPAT)) {
+ if (in_compat_syscall()) {
+ struct xfrm_translator *xtr = xfrm_get_translator();
- if (!xtr)
- return -EOPNOTSUPP;
+ if (!xtr)
+ return -EOPNOTSUPP;
- nlh64 = xtr->rcv_msg_compat(nlh, link->nla_max,
- link->nla_pol, extack);
- xfrm_put_translator(xtr);
- if (IS_ERR(nlh64))
- return PTR_ERR(nlh64);
- if (nlh64)
- nlh = nlh64;
+ nlh64 = xtr->rcv_msg_compat(nlh, link->nla_max,
+ link->nla_pol, extack);
+ xfrm_put_translator(xtr);
+ if (IS_ERR(nlh64))
+ return PTR_ERR(nlh64);
+ if (nlh64)
+ nlh = nlh64;
+ }
}
if ((type == (XFRM_MSG_GETSA - XFRM_MSG_BASE) ||
diff --git a/samples/crypto/fips140_lab_test.c b/samples/crypto/fips140_lab_test.c
new file mode 100644
index 0000000..dd2324b8
--- /dev/null
+++ b/samples/crypto/fips140_lab_test.c
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright 2021 Google LLC
+ *
+ * This is a sample program which calls some ioctls on /dev/fips140 and prints
+ * the results. The purpose of this program is to allow the FIPS certification
+ * lab to test some services of fips140.ko, which they are required to do. This
+ * is a sample program only, and it can be modified by the lab as needed. This
+ * program must be run as root, and it only works if the system has loaded a
+ * build of fips140.ko with evaluation testing support enabled.
+ *
+ * This program can be compiled and run on an Android device as follows:
+ *
+ * NDK_DIR=$HOME/android-ndk-r23b # adjust directory path as needed
+ * $NDK_DIR/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android31-clang \
+ * fips140_lab_test.c -O2 -Wall -o fips140_lab_test
+ * adb push fips140_lab_test /data/local/tmp/
+ * adb root
+ * adb shell /data/local/tmp/fips140_lab_test
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+#include <unistd.h>
+
+#include "../../crypto/fips140-eval-testing-uapi.h"
+
+static int fips140_dev_fd = -1;
+
+#define ARRAY_SIZE(A) (sizeof(A) / sizeof((A)[0]))
+
+static const char *booltostr(bool b)
+{
+ return b ? "true" : "false";
+}
+
+static void __attribute__((noreturn))
+do_die(const char *format, va_list va, int err)
+{
+ fputs("ERROR: ", stderr);
+ vfprintf(stderr, format, va);
+ if (err)
+ fprintf(stderr, ": %s", strerror(err));
+ putc('\n', stderr);
+ exit(1);
+}
+
+static void __attribute__((noreturn, format(printf, 1, 2)))
+die_errno(const char *format, ...)
+{
+ va_list va;
+
+ va_start(va, format);
+ do_die(format, va, errno);
+ va_end(va);
+}
+
+static void __attribute__((noreturn, format(printf, 1, 2)))
+die(const char *format, ...)
+{
+ va_list va;
+
+ va_start(va, format);
+ do_die(format, va, 0);
+ va_end(va);
+}
+
+static int get_fips140_device_number(void)
+{
+ FILE *f;
+ char line[128];
+ int number;
+ char name[32];
+
+ f = fopen("/proc/devices", "r");
+ if (!f)
+ die_errno("failed to open /proc/devices");
+ while (fgets(line, sizeof(line), f)) {
+ if (sscanf(line, "%d %31s", &number, name) == 2 &&
+ strcmp(name, "fips140") == 0)
+ return number;
+ }
+ fclose(f);
+ die("fips140 device node is unavailable.\n"
+"The fips140 device node is only available when the fips140 module is loaded\n"
+"and has been built with evaluation testing support.");
+}
+
+static void create_fips140_node_if_needed(void)
+{
+ struct stat stbuf;
+ int major;
+
+ if (stat("/dev/fips140", &stbuf) == 0)
+ return;
+
+ major = get_fips140_device_number();
+ if (mknod("/dev/fips140", S_IFCHR | 0600, makedev(major, 1)) != 0)
+ die_errno("failed to create fips140 device node");
+}
+
+static bool fips140_is_approved_service(const char *name)
+{
+ int ret = ioctl(fips140_dev_fd, FIPS140_IOCTL_IS_APPROVED_SERVICE, name);
+
+ if (ret < 0)
+ die_errno("FIPS140_IOCTL_IS_APPROVED_SERVICE unexpectedly failed");
+ if (ret == 1)
+ return true;
+ if (ret == 0)
+ return false;
+ die("FIPS140_IOCTL_IS_APPROVED_SERVICE returned unexpected value %d",
+ ret);
+}
+
+static const char *fips140_module_version(void)
+{
+ char buf[256];
+ char *str;
+ int ret = ioctl(fips140_dev_fd, FIPS140_IOCTL_MODULE_VERSION, buf);
+
+ if (ret < 0)
+ die_errno("FIPS140_IOCTL_MODULE_VERSION unexpectedly failed");
+ if (ret != 0)
+ die("FIPS140_IOCTL_MODULE_VERSION returned unexpected value %d", ret);
+ str = strdup(buf);
+ if (!str)
+ die("out of memory");
+ return str;
+}
+
+static const char * const services_to_check[] = {
+ "aes",
+ "cbc(aes)",
+ "cbcmac(aes)",
+ "cmac(aes)",
+ "ctr(aes)",
+ "cts(cbc(aes))",
+ "ecb(aes)",
+ "essiv(cbc(aes),sha256)",
+ "gcm(aes)",
+ "hmac(sha1)",
+ "hmac(sha224)",
+ "hmac(sha256)",
+ "hmac(sha384)",
+ "hmac(sha512)",
+ "jitterentropy_rng",
+ "sha1",
+ "sha224",
+ "sha256",
+ "sha384",
+ "sha512",
+ "stdrng",
+ "xcbc(aes)",
+ "xts(aes)",
+};
+
+int main(void)
+{
+ size_t i;
+
+ if (getuid() != 0)
+ die("This program requires root. Run 'adb root' first.");
+
+ create_fips140_node_if_needed();
+
+ fips140_dev_fd = open("/dev/fips140", O_RDONLY);
+ if (fips140_dev_fd < 0)
+ die_errno("failed to open /dev/fips140");
+
+ printf("fips140_module_version() => \"%s\"\n", fips140_module_version());
+ for (i = 0; i < ARRAY_SIZE(services_to_check); i++) {
+ const char *service = services_to_check[i];
+
+ printf("fips140_is_approved_service(\"%s\") => %s\n", service,
+ booltostr(fips140_is_approved_service(service)));
+ }
+ return 0;
+}
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 8bd4e673..4963ee9 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -111,7 +111,7 @@
# ---------------------------------------------------------------------------
quiet_cmd_cc_s_c = CC $(quiet_modtag) $@
- cmd_cc_s_c = $(CC) $(filter-out $(DEBUG_CFLAGS), $(c_flags)) -fverbose-asm -S -o $@ $<
+ cmd_cc_s_c = $(CC) $(filter-out $(DEBUG_CFLAGS) $(CC_FLAGS_LTO), $(c_flags)) -fverbose-asm -S -o $@ $<
$(obj)/%.s: $(src)/%.c FORCE
$(call if_changed_dep,cc_s_c)
@@ -166,6 +166,15 @@
# the actual value of the checksum generated by genksyms
# o remove .tmp_<file>.o to <file>.o
+ifdef CONFIG_LTO_CLANG
+# Generate .o.symversions files for each .o with exported symbols, and link these
+# to the kernel and/or modules at the end.
+cmd_modversions_c = \
+ if $(NM) $@ 2>/dev/null | grep -q __ksymtab; then \
+ $(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \
+ > $@.symversions; \
+ fi;
+else
cmd_modversions_c = \
if $(OBJDUMP) -h $@ | grep -q __ksymtab; then \
$(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \
@@ -177,9 +186,9 @@
rm -f $(@D)/.tmp_$(@F:.o=.ver); \
fi
endif
+endif
-ifdef CONFIG_FTRACE_MCOUNT_RECORD
-ifndef CC_USING_RECORD_MCOUNT
+ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
# compiler will not generate __mcount_loc use recordmcount or recordmcount.pl
ifdef BUILD_C_RECORDMCOUNT
ifeq ("$(origin RECORDMCOUNT_WARN)", "command line")
@@ -206,31 +215,14 @@
endif # BUILD_C_RECORDMCOUNT
cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)), \
$(sub_cmd_record_mcount))
-endif # CC_USING_RECORD_MCOUNT
-endif # CONFIG_FTRACE_MCOUNT_RECORD
+endif # CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
ifdef CONFIG_STACK_VALIDATION
+ifndef CONFIG_LTO_CLANG
ifneq ($(SKIP_STACK_VALIDATION),1)
__objtool_obj := $(objtree)/tools/objtool/objtool
-objtool_args = $(if $(CONFIG_UNWINDER_ORC),orc generate,check)
-
-objtool_args += $(if $(part-of-module), --module,)
-
-ifndef CONFIG_FRAME_POINTER
-objtool_args += --no-fp
-endif
-ifdef CONFIG_GCOV_KERNEL
-objtool_args += --no-unreachable
-endif
-ifdef CONFIG_RETPOLINE
- objtool_args += --retpoline
-endif
-ifdef CONFIG_X86_SMAP
- objtool_args += --uaccess
-endif
-
# 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file
@@ -242,6 +234,7 @@
$(__objtool_obj))
endif # SKIP_STACK_VALIDATION
+endif # CONFIG_LTO_CLANG
endif # CONFIG_STACK_VALIDATION
# Rebuild all objects when objtool changes, or is enabled/disabled.
@@ -389,6 +382,18 @@
$(subdir-builtin): $(obj)/%/built-in.a: $(obj)/% ;
$(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
+# combine symversions for later processing
+quiet_cmd_update_lto_symversions = SYMVER $@
+ifeq ($(CONFIG_LTO_CLANG) $(CONFIG_MODVERSIONS),y y)
+ cmd_update_lto_symversions = \
+ rm -f $@.symversions \
+ $(foreach n, $(filter-out FORCE,$^), \
+ $(if $(wildcard $(n).symversions), \
+ ; cat $(n).symversions >> $@.symversions))
+else
+ cmd_update_lto_symversions = echo >/dev/null
+endif
+
#
# Rule to compile a set of .o files into one .a file (without symbol table)
#
@@ -396,8 +401,11 @@
quiet_cmd_ar_builtin = AR $@
cmd_ar_builtin = rm -f $@; $(AR) cDPrST $@ $(real-prereqs)
+quiet_cmd_ar_and_symver = AR $@
+ cmd_ar_and_symver = $(cmd_update_lto_symversions); $(cmd_ar_builtin)
+
$(obj)/built-in.a: $(real-obj-y) FORCE
- $(call if_changed,ar_builtin)
+ $(call if_changed,ar_and_symver)
#
# Rule to create modules.order file
@@ -417,15 +425,26 @@
#
# Rule to compile a set of .o files into one .a file (with symbol table)
#
+quiet_cmd_ar_lib = AR $@
+ cmd_ar_lib = $(cmd_update_lto_symversions); $(cmd_ar)
+
$(obj)/lib.a: $(lib-y) FORCE
- $(call if_changed,ar)
+ $(call if_changed,ar_lib)
# NOTE:
# Do not replace $(filter %.o,^) with $(real-prereqs). When a single object
# module is turned into a multi object module, $^ will contain header file
# dependencies recorded in the .*.cmd file.
+ifdef CONFIG_LTO_CLANG
+quiet_cmd_link_multi-m = AR [M] $@
+cmd_link_multi-m = \
+ $(cmd_update_lto_symversions); \
+ rm -f $@; \
+ $(AR) cDPrsT $@ $(filter %.o %.a,$^)
+else
quiet_cmd_link_multi-m = LD [M] $@
cmd_link_multi-m = $(LD) $(ld_flags) -r -o $@ $(filter %.o,$^)
+endif
$(multi-used-m): FORCE
$(call if_changed,link_multi-m)
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 127012f..3d79190 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -4,6 +4,12 @@
cc-param = $(call cc-option, -mllvm -$(1), $(call cc-option, --param $(1)))
+ifdef CONFIG_KASAN_STACK
+ stack_enable := 1
+else
+ stack_enable := 0
+endif
+
ifdef CONFIG_KASAN_GENERIC
ifdef CONFIG_KASAN_INLINE
@@ -27,7 +33,7 @@
CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \
$(call cc-param,asan-globals=1) \
$(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \
- $(call cc-param,asan-stack=$(CONFIG_KASAN_STACK)) \
+ $(call cc-param,asan-stack=$(stack_enable)) \
$(call cc-param,asan-instrument-allocas=1)
endif
@@ -42,7 +48,7 @@
endif
CFLAGS_KASAN := -fsanitize=kernel-hwaddress \
- $(call cc-param,hwasan-instrument-stack=$(CONFIG_KASAN_STACK)) \
+ $(call cc-param,hwasan-instrument-stack=$(stack_enable)) \
$(call cc-param,hwasan-use-short-granules=0) \
$(instrumentation_flags)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 9413370..d519ebb 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -56,15 +56,29 @@
obj-y := $(filter-out %/, $(obj-y))
endif
+# Expand $(foo-objs) $(foo-y) by calling $(call suffix-search,foo.o,-objs -y)
+suffix-search = $(foreach s,$(2),$($(1:.o=$s)))
# If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object
-multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m))))
-multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m))))
+# Do this recursively to find nested composite objects.
+# foo-y may contain foo.o bar.o . For backwards compatibility, don't treat this
+# foo.o as a nested object
+multi-search = $(sort $(foreach m,$(1),$(if $(strip $(call suffix-search,$(m),$(2) -)),\
+ $(if $(filter $(m),$(strip $(call suffix-search,$(m),$(2) -))),,\
+ $(m) $(call multi-search,$(call suffix-search,$(m),$(2)),$(2))))))
+multi-used-y := $(call multi-search,$(obj-y),-objs -y)
+multi-used-m := $(call multi-search,$(obj-m),-objs -y -m)
multi-used := $(multi-used-y) $(multi-used-m)
# Replace multi-part objects by their individual parts,
# including built-in.a from subdirectories
-real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
-real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m)))
+# Recursively search for real files. For backwards compatibility,
+# foo-y may contain foo.o bar.o . foo.o in this context is a real object, and
+# shouldn't be recursed into.
+real-search = $(foreach m,$(1), $(if $(strip $(call suffix-search,$(m),$(2) -)), \
+ $(filter $(m),$(call suffix-search,$(m),$(2))) $(call real-search,$(filter-out $(m),$(call suffix-search,$(m),$(2))),$(2)),\
+ $(m)))
+real-obj-y := $(call real-search, $(obj-y),-objs -y)
+real-obj-m := $(call real-search, $(obj-m),-objs -y -m)
always-y += $(always-m)
@@ -117,9 +131,11 @@
# These flags are needed for modversions and compiling, so we define them here
# $(modname_flags) defines KBUILD_MODNAME as the name of the module it will
# end up in (or would, if it gets compiled in)
-name-fix = $(call stringify,$(subst $(comma),_,$(subst -,_,$1)))
+name-fix-token = $(subst $(comma),_,$(subst -,_,$1))
+name-fix = $(call stringify,$(call name-fix-token,$1))
basename_flags = -DKBUILD_BASENAME=$(call name-fix,$(basetarget))
-modname_flags = -DKBUILD_MODNAME=$(call name-fix,$(modname))
+modname_flags = -DKBUILD_MODNAME=$(call name-fix,$(modname)) \
+ -D__KBUILD_MODNAME=kmod_$(call name-fix-token,$(modname))
modfile_flags = -DKBUILD_MODFILE=$(call stringify,$(modfile))
_c_flags = $(filter-out $(CFLAGS_REMOVE_$(target-stem).o), \
@@ -148,10 +164,12 @@
# we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE)
#
ifeq ($(CONFIG_KASAN),y)
+ifneq ($(CONFIG_KASAN_HW_TAGS),y)
_c_flags += $(if $(patsubst n%,, \
$(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \
$(CFLAGS_KASAN), $(CFLAGS_KASAN_NOSANITIZE))
endif
+endif
ifeq ($(CONFIG_UBSAN),y)
_c_flags += $(if $(patsubst n%,, \
@@ -216,6 +234,18 @@
$(addprefix -I,$(DTC_INCLUDE)) \
-undef -D__DTS__
+# Objtool arguments are also needed for modfinal with LTO, so we define
+# then here to avoid duplication.
+objtool_args = \
+ $(if $(CONFIG_UNWINDER_ORC),orc generate,check) \
+ $(if $(part-of-module), --module,) \
+ $(if $(CONFIG_FRAME_POINTER),, --no-fp) \
+ $(if $(or $(CONFIG_GCOV_KERNEL),$(CONFIG_LTO_CLANG)), \
+ --no-unreachable,) \
+ $(if $(CONFIG_RETPOLINE), --retpoline,) \
+ $(if $(CONFIG_X86_SMAP), --uaccess,) \
+ $(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount,)
+
# Useful for describing the dependency of composite objects
# Usage:
# $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
@@ -274,25 +304,35 @@
# DTC
# ---------------------------------------------------------------------------
+ifeq ("$(origin DTC)", "command line")
+PHONY += $(DTC)
+dtc-option = $(call try-run, $(DTC) $1 -v,$1)
+else
+# Just add the flag. DTC is compiled later as a prerequisite, so there's no dtc
+# to test the flag against. This is okay because we're not testing flags which
+# aren't supported by in-kernel dtc to begin with.
+dtc-option = $1
+endif
+
DTC ?= $(objtree)/scripts/dtc/dtc
-DTC_FLAGS += -Wno-interrupt_provider
+DTC_FLAGS += $(call dtc-option,-Wno-interrupt_provider)
# Disable noisy checks by default
ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)
-DTC_FLAGS += -Wno-unit_address_vs_reg \
- -Wno-unit_address_format \
- -Wno-avoid_unnecessary_addr_size \
- -Wno-alias_paths \
- -Wno-graph_child_address \
- -Wno-simple_bus_reg \
- -Wno-unique_unit_address \
- -Wno-pci_device_reg
+DTC_FLAGS += $(call dtc-option,-Wno-unit_address_vs_reg) \
+ $(call dtc-option,-Wno-unit_address_format) \
+ $(call dtc-option,-Wno-avoid_unnecessary_addr_size) \
+ $(call dtc-option,-Wno-alias_paths) \
+ $(call dtc-option,-Wno-graph_child_address) \
+ $(call dtc-option,-Wno-simple_bus_reg) \
+ $(call dtc-option,-Wno-unique_unit_address) \
+ $(call dtc-option,-Wno-pci_device_reg)
endif
ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),)
-DTC_FLAGS += -Wnode_name_chars_strict \
- -Wproperty_name_chars_strict \
- -Winterrupt_provider
+DTC_FLAGS += $(call dtc-option,-Wnode_name_chars_strict) \
+ $(call dtc-option,-Wproperty_name_chars_strict) \
+ $(call dtc-option,-Winterrupt_provider)
endif
DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
@@ -376,7 +416,8 @@
cmd_lzo = { cat $(real-prereqs) | $(KLZOP) -9; $(size_append); } > $@
quiet_cmd_lz4 = LZ4 $@
- cmd_lz4 = { cat $(real-prereqs) | $(LZ4) -l -c1 stdin stdout; \
+ cmd_lz4 = { cat $(real-prereqs) | \
+ $(LZ4) -l -12 --favor-decSpeed stdin stdout; \
$(size_append); } > $@
# U-Boot mkimage
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index ae01baf..9ae3d9a 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -6,9 +6,10 @@
PHONY := __modfinal
__modfinal:
+include $(objtree)/include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
-# for c_flags
+# for c_flags and objtool_args
include $(srctree)/scripts/Makefile.lib
# find all modules listed in modules.order
@@ -22,21 +23,59 @@
part-of-module = y
quiet_cmd_cc_o_c = CC [M] $@
- cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
+ cmd_cc_o_c = \
+ $(CC) $(filter-out $(CC_FLAGS_CFI) $(CC_FLAGS_FTRACE), \
+ $(c_flags)) -c -o $@ $<
%.mod.o: %.mod.c FORCE
$(call if_changed_dep,cc_o_c)
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
+ifdef CONFIG_LTO_CLANG
+# With CONFIG_LTO_CLANG, reuse the object file we compiled for modpost to
+# avoid a second slow LTO link
+prelink-ext := .lto
+
+# ELF processing was skipped earlier because we didn't have native code,
+# so let's now process the prelinked binary before we link the module.
+
+ifdef CONFIG_STACK_VALIDATION
+ifneq ($(SKIP_STACK_VALIDATION),1)
+cmd_ld_ko_o += \
+ $(objtree)/tools/objtool/objtool $(objtool_args) \
+ $(@:.ko=$(prelink-ext).o);
+
+endif # SKIP_STACK_VALIDATION
+endif # CONFIG_STACK_VALIDATION
+
+endif # CONFIG_LTO_CLANG
+
quiet_cmd_ld_ko_o = LD [M] $@
- cmd_ld_ko_o = \
+ cmd_ld_ko_o += \
$(LD) -r $(KBUILD_LDFLAGS) \
$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
-T scripts/module.lds -o $@ $(filter %.o, $^); \
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
-$(modules): %.ko: %.o %.mod.o scripts/module.lds FORCE
+ifdef CONFIG_CFI_CLANG
+# LLVM can drops jump table symbols from the final binary. Add them
+# back to make stack traces and other symbol output readable.
+cmd_ld_ko_o += ; \
+ $(srctree)/scripts/generate_cfi_kallsyms.pl --module \
+ $@ > $(@:.ko=.lds); \
+ if [ -s $(@:.ko=.lds) ]; then \
+ $(LD) -r $(KBUILD_LDFLAGS) \
+ $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
+ -T $(@:.ko=.lds) \
+ -o $(@:.ko=.tmp.ko) $@; \
+ mv -f $(@:.ko=.tmp.ko) $@; \
+ else \
+ rm -f $(@:.ko=.lds); \
+ fi
+endif
+
+$(modules): %.ko: %$(prelink-ext).o %.mod.o scripts/module.lds FORCE
+$(call if_changed,ld_ko_o)
targets += $(modules) $(modules:.ko=.mod.o)
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 12a87be..772e73e 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -43,6 +43,11 @@
include include/config/auto.conf
include scripts/Kbuild.include
+# for ld_flags
+include scripts/Makefile.lib
+
+mixed-build-prefix = $(if $(KBUILD_MIXED_TREE),$(KBUILD_MIXED_TREE)/)
+
MODPOST = scripts/mod/modpost \
$(if $(CONFIG_MODVERSIONS),-m) \
$(if $(CONFIG_MODULE_SRCVERSION_ALL),-a) \
@@ -64,16 +69,17 @@
ifeq ($(KBUILD_EXTMOD),)
-input-symdump := vmlinux.symvers
+input-symdump := $(mixed-build-prefix)vmlinux.symvers
output-symdump := modules-only.symvers
+module_srcpath := $(srctree)
quiet_cmd_cat = GEN $@
cmd_cat = cat $(real-prereqs) > $@
-ifneq ($(wildcard vmlinux.symvers),)
+ifneq ($(wildcard $(mixed-build-prefix)vmlinux.symvers),)
__modpost: Module.symvers
-Module.symvers: vmlinux.symvers modules-only.symvers FORCE
+Module.symvers: $(mixed-build-prefix)vmlinux.symvers modules-only.symvers FORCE
$(call if_changed,cat)
targets += Module.symvers
@@ -96,6 +102,27 @@
input-symdump := Module.symvers $(KBUILD_EXTRA_SYMBOLS)
output-symdump := $(KBUILD_EXTMOD)/Module.symvers
+# Get the external module's source path. KBUILD_EXTMOD could either be an
+# absolute path or relative path from $(srctree). This makes sure that we
+# aren't using a relative path from a separate working directory (O= or
+# KBUILD_OUTPUT) since that may not be the actual module's SCM project path. So
+# check the path relative to $(srctree) first.
+ifneq ($(realpath $(srctree)/$(KBUILD_EXTMOD) 2>/dev/null),)
+ module_srcpath := $(srctree)/$(KBUILD_EXTMOD)
+else
+ module_srcpath := $(KBUILD_EXTMOD)
+endif
+
+endif
+
+ifeq ($(CONFIG_MODULE_SCMVERSION),y)
+# Get the SCM version of the module. `sed` verifies setlocalversion returns
+# a proper revision based on the SCM type, e.g. git, mercurial, or svn.
+module_scmversion := $(shell $(srctree)/scripts/setlocalversion $(module_srcpath) | \
+ sed -n 's/.*-\(\(g\|hg\)[a-fA-F0-9]\+\(-dirty\)\?\|svn[0-9]\+\).*/\1/p')
+ifneq ($(module_scmversion),)
+MODPOST += -v $(module_scmversion)
+endif
endif
# modpost options for modules (both in-kernel and external)
@@ -115,12 +142,30 @@
@echo >&2 'WARNING: Symbol version dump "$@" is missing.'
@echo >&2 ' Modules may not have dependencies or modversions.'
+ifdef CONFIG_LTO_CLANG
+# With CONFIG_LTO_CLANG, .o files might be LLVM bitcode, so we need to run
+# LTO to compile them into native code before running modpost
+prelink-ext := .lto
+
+quiet_cmd_cc_lto_link_modules = LTO [M] $@
+cmd_cc_lto_link_modules = \
+ $(LD) $(ld_flags) -r -o $@ \
+ $(shell [ -s $(@:.lto.o=.o.symversions) ] && \
+ echo -T $(@:.lto.o=.o.symversions)) \
+ --whole-archive $^
+
+%.lto.o: %.o
+ $(call if_changed,cc_lto_link_modules)
+endif
+
+modules := $(sort $(shell cat $(MODORDER)))
+
# Read out modules.order to pass in modpost.
# Otherwise, allmodconfig would fail with "Argument list too long".
quiet_cmd_modpost = MODPOST $@
- cmd_modpost = sed 's/ko$$/o/' $< | $(MODPOST) -T -
+ cmd_modpost = sed 's/\.ko$$/$(prelink-ext)\.o/' $< | $(MODPOST) -T -
-$(output-symdump): $(MODORDER) $(input-symdump) FORCE
+$(output-symdump): $(MODORDER) $(input-symdump) $(modules:.ko=$(prelink-ext).o) FORCE
$(call if_changed,modpost)
targets += $(output-symdump)
diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan
index 9716dab..9e2092f 100644
--- a/scripts/Makefile.ubsan
+++ b/scripts/Makefile.ubsan
@@ -1,37 +1,16 @@
# SPDX-License-Identifier: GPL-2.0
-export CFLAGS_UBSAN :=
+# Enable available and selected UBSAN features.
+ubsan-cflags-$(CONFIG_UBSAN_ALIGNMENT) += -fsanitize=alignment
+ubsan-cflags-$(CONFIG_UBSAN_ONLY_BOUNDS) += -fsanitize=bounds
+ubsan-cflags-$(CONFIG_UBSAN_ARRAY_BOUNDS) += -fsanitize=array-bounds
+ubsan-cflags-$(CONFIG_UBSAN_LOCAL_BOUNDS) += -fsanitize=local-bounds
+ubsan-cflags-$(CONFIG_UBSAN_SHIFT) += -fsanitize=shift
+ubsan-cflags-$(CONFIG_UBSAN_DIV_ZERO) += -fsanitize=integer-divide-by-zero
+ubsan-cflags-$(CONFIG_UBSAN_UNREACHABLE) += -fsanitize=unreachable
+ubsan-cflags-$(CONFIG_UBSAN_OBJECT_SIZE) += -fsanitize=object-size
+ubsan-cflags-$(CONFIG_UBSAN_BOOL) += -fsanitize=bool
+ubsan-cflags-$(CONFIG_UBSAN_ENUM) += -fsanitize=enum
+ubsan-cflags-$(CONFIG_UBSAN_TRAP) += -fsanitize-undefined-trap-on-error
-ifdef CONFIG_UBSAN_ALIGNMENT
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
-endif
-
-ifdef CONFIG_UBSAN_BOUNDS
- ifdef CONFIG_CC_IS_CLANG
- CFLAGS_UBSAN += -fsanitize=array-bounds
- else
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds)
- endif
-endif
-
-ifdef CONFIG_UBSAN_LOCAL_BOUNDS
- CFLAGS_UBSAN += -fsanitize=local-bounds
-endif
-
-ifdef CONFIG_UBSAN_MISC
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable)
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow)
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size)
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool)
- CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum)
-endif
-
-ifdef CONFIG_UBSAN_TRAP
- CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error)
-endif
-
- # -fsanitize=* options makes GCC less smart than usual and
- # increase number of 'maybe-uninitialized false-positives
- CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
+export CFLAGS_UBSAN := $(ubsan-cflags-y)
diff --git a/scripts/depmod.sh b/scripts/depmod.sh
index 3643b4f..2de598d 100755
--- a/scripts/depmod.sh
+++ b/scripts/depmod.sh
@@ -3,14 +3,15 @@
#
# A depmod wrapper used by the toplevel Makefile
-if test $# -ne 2; then
- echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
+if test $# -ne 2 -a $# -ne 3; then
+ echo "Usage: $0 /sbin/depmod <kernelrelease> [System.map folder]" >&2
exit 1
fi
DEPMOD=$1
KERNELRELEASE=$2
+KBUILD_MIXED_TREE=$3
-if ! test -r System.map ; then
+if ! test -r ${KBUILD_MIXED_TREE}System.map ; then
echo "Warning: modules_install: missing 'System.map' file. Skipping depmod." >&2
exit 0
fi
@@ -41,7 +42,7 @@
KERNELRELEASE=99.98.$KERNELRELEASE
fi
-set -- -ae -F System.map
+set -- -ae -F ${KBUILD_MIXED_TREE}System.map
if test -n "$INSTALL_MOD_PATH"; then
set -- "$@" -b "$INSTALL_MOD_PATH"
fi
diff --git a/scripts/extract-cert.c b/scripts/extract-cert.c
index 3bc48c7..3034d99 100644
--- a/scripts/extract-cert.c
+++ b/scripts/extract-cert.c
@@ -49,6 +49,7 @@ static void display_openssl_errors(int l)
}
}
+#ifndef OPENSSL_IS_BORINGSSL
static void drain_openssl_errors(void)
{
const char *file;
@@ -58,6 +59,7 @@ static void drain_openssl_errors(void)
return;
while (ERR_get_error_line(&file, &line)) {}
}
+#endif
#define ERR(cond, fmt, ...) \
do { \
@@ -112,6 +114,10 @@ int main(int argc, char **argv)
fclose(f);
exit(0);
} else if (!strncmp(cert_src, "pkcs11:", 7)) {
+#ifdef OPENSSL_IS_BORINGSSL
+ ERR(1, "BoringSSL does not support extracting from PKCS#11");
+ exit(1);
+#else
ENGINE *e;
struct {
const char *cert_id;
@@ -134,6 +140,7 @@ int main(int argc, char **argv)
ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
ERR(!parms.cert, "Get X.509 from PKCS#11");
write_cert(parms.cert);
+#endif
} else {
BIO *b;
X509 *x509;
diff --git a/scripts/gen_autoksyms.sh b/scripts/gen_autoksyms.sh
index d54dfba..da32015 100755
--- a/scripts/gen_autoksyms.sh
+++ b/scripts/gen_autoksyms.sh
@@ -19,7 +19,26 @@
# We need access to CONFIG_ symbols
. include/config/auto.conf
-ksym_wl=/dev/null
+needed_symbols=
+
+# Special case for modversions (see modpost.c)
+if [ -n "$CONFIG_MODVERSIONS" ]; then
+ needed_symbols="$needed_symbols module_layout"
+fi
+
+# With CONFIG_LTO_CLANG, LLVM bitcode has not yet been compiled into a binary
+# when the .mod files are generated, which means they don't yet contain
+# references to certain symbols that will be present in the final binaries.
+if [ -n "$CONFIG_LTO_CLANG" ]; then
+ # intrinsic functions
+ needed_symbols="$needed_symbols memcpy memmove memset"
+ # ftrace
+ needed_symbols="$needed_symbols _mcount"
+ # stack protector symbols
+ needed_symbols="$needed_symbols __stack_chk_fail __stack_chk_guard"
+fi
+
+ksym_wl=
if [ -n "$CONFIG_UNUSED_KSYMS_WHITELIST" ]; then
# Use 'eval' to expand the whitelist path and check if it is relative
eval ksym_wl="$CONFIG_UNUSED_KSYMS_WHITELIST"
@@ -40,16 +59,14 @@
EOT
[ -f modules.order ] && modlist=modules.order || modlist=/dev/null
-sed 's/ko$/mod/' $modlist |
-xargs -n1 sed -n -e '2{s/ /\n/g;/^$/!p;}' -- |
-cat - "$ksym_wl" |
+
+{
+ sed 's/ko$/mod/' $modlist | xargs -n1 sed -n -e '2p'
+ echo "$needed_symbols"
+ [ -n "$ksym_wl" ] && cat "$ksym_wl"
+} | sed -e 's/ /\n/g' | sed -n -e '/^$/!p' |
# Remove the dot prefix for ppc64; symbol names with a dot (.) hold entry
# point addresses.
sed -e 's/^\.//' |
sort -u |
sed -e 's/\(.*\)/#define __KSYM_\1 1/' >> "$output_file"
-
-# Special case for modversions (see modpost.c)
-if [ -n "$CONFIG_MODVERSIONS" ]; then
- echo "#define __KSYM_module_layout 1" >> "$output_file"
-fi
diff --git a/scripts/generate_cfi_kallsyms.pl b/scripts/generate_cfi_kallsyms.pl
new file mode 100755
index 0000000..6aabd68
--- /dev/null
+++ b/scripts/generate_cfi_kallsyms.pl
@@ -0,0 +1,308 @@
+#!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
+#
+# Generates a list of Control-Flow Integrity (CFI) jump table symbols
+# for kallsyms.
+#
+# Copyright (C) 2021 Google LLC
+
+use strict;
+use warnings;
+
+## parameters
+my $ismodule = 0;
+my $file;
+
+foreach (@ARGV) {
+ if ($_ eq '--module') {
+ $ismodule = 1;
+ } elsif (!defined($file)) {
+ $file = $_;
+ } else {
+ die "$0: usage $0 [--module] binary";
+ }
+}
+
+## environment
+my $readelf = $ENV{'READELF'} || die "$0: ERROR: READELF not set?";
+my $objdump = $ENV{'OBJDUMP'} || die "$0: ERROR: OBJDUMP not set?";
+my $nm = $ENV{'NM'} || die "$0: ERROR: NM not set?";
+
+## jump table addresses
+my $cfi_jt = {};
+## text symbols
+my $text_symbols = {};
+
+## parser state
+use constant {
+ UNKNOWN => 0,
+ SYMBOL => 1,
+ HINT => 2,
+ BRANCH => 3,
+ RELOC => 4
+};
+
+## trims leading zeros from a string
+sub trim_zeros {
+ my ($n) = @_;
+ $n =~ s/^0+//;
+ $n = 0 if ($n eq '');
+ return $n;
+}
+
+## finds __cfi_jt_* symbols from the binary to locate the start and end of the
+## jump table
+sub find_cfi_jt {
+ open(my $fh, "\"$readelf\" --symbols \"$file\" 2>/dev/null | grep __cfi_jt_ |")
+ or die "$0: ERROR: failed to execute \"$readelf\": $!";
+
+ while (<$fh>) {
+ chomp;
+
+ my ($addr, $name) = $_ =~ /\:.*([a-f0-9]{16}).*\s__cfi_jt_(.*)/;
+ if (defined($addr) && defined($name)) {
+ $cfi_jt->{$name} = $addr;
+ }
+ }
+
+ close($fh);
+
+ die "$0: ERROR: __cfi_jt_start symbol missing" if !exists($cfi_jt->{"start"});
+ die "$0: ERROR: __cfi_jt_end symbol missing" if !exists($cfi_jt->{"end"});
+}
+
+my $last = UNKNOWN;
+my $last_symbol;
+my $last_hint_addr;
+my $last_branch_addr;
+my $last_branch_target;
+my $last_reloc_target;
+
+sub is_symbol {
+ my ($line) = @_;
+ my ($addr, $symbol) = $_ =~ /^([a-f0-9]{16})\s<([^>]+)>\:/;
+
+ if (defined($addr) && defined($symbol)) {
+ $last = SYMBOL;
+ $last_symbol = $symbol;
+ return 1;
+ }
+
+ return 0;
+}
+
+sub is_hint {
+ my ($line) = @_;
+ my ($hint) = $_ =~ /^\s*([a-f0-9]+)\:.*\s+hint\s+#/;
+
+ if (defined($hint)) {
+ $last = HINT;
+ $last_hint_addr = $hint;
+ return 1;
+ }
+
+ return 0;
+}
+
+sub find_text_symbol {
+ my ($target) = @_;
+
+ my ($symbol, $expr, $offset) = $target =~ /^(\S*)([-\+])0x([a-f0-9]+)?$/;
+
+ if (!defined($symbol) || !defined(!$expr) || !defined($offset)) {
+ return $target;
+ }
+
+ if ($symbol =~ /^\.((init|exit)\.)?text$/ && $expr eq '+') {
+ $offset = trim_zeros($offset);
+ my $actual = $text_symbols->{"$symbol+$offset"};
+
+ if (!defined($actual)) {
+ die "$0: unknown symbol at $symbol+0x$offset";
+ }
+
+ $symbol = $actual;
+ }
+
+ return $symbol;
+}
+
+sub is_branch {
+ my ($line) = @_;
+ my ($addr, $instr, $branch_target) = $_ =~
+ /^\s*([a-f0-9]+)\:.*(b|jmpq?)\s+0x[a-f0-9]+\s+<([^>]+)>/;
+
+ if (defined($addr) && defined($instr) && defined($branch_target)) {
+ if ($last eq HINT) {
+ $last_branch_addr = $last_hint_addr;
+ } else {
+ $last_branch_addr = $addr;
+ }
+
+ $last = BRANCH;
+ $last_branch_target = find_text_symbol($branch_target);
+ return 1;
+ }
+
+ return 0;
+}
+
+sub is_branch_reloc {
+ my ($line) = @_;
+
+ if ($last ne BRANCH) {
+ return 0;
+ }
+
+ my ($addr, $type, $reloc_target) = /\s*([a-f0-9]{16})\:\s+R_(\S+)\s+(\S+)$/;
+
+ if (defined($addr) && defined($type) && defined($reloc_target)) {
+ $last = RELOC;
+ $last_reloc_target = find_text_symbol($reloc_target);
+ return 1;
+ }
+
+ return 0;
+}
+
+## walks through the jump table looking for branches and prints out a jump
+## table symbol for each branch if one is missing
+sub print_missing_symbols {
+ my @symbols;
+
+ open(my $fh, "\"$objdump\" -d -r " .
+ "--start-address=0x" . $cfi_jt->{"start"} .
+ " --stop-address=0x" . $cfi_jt->{"end"} .
+ " \"$file\" 2>/dev/null |")
+ or die "$0: ERROR: failed to execute \"$objdump\": $!";
+
+ while (<$fh>) {
+ chomp;
+
+ if (is_symbol($_) || is_hint($_)) {
+ next;
+ }
+
+ my $cfi_jt_symbol;
+
+ if (is_branch($_)) {
+ if ($ismodule) {
+ next; # wait for the relocation
+ }
+
+ $cfi_jt_symbol = $last_branch_target;
+ } elsif (is_branch_reloc($_)) {
+ $cfi_jt_symbol = $last_reloc_target;
+ } else {
+ next;
+ }
+
+ # ignore functions with a canonical jump table
+ if ($cfi_jt_symbol =~ /\.cfi$/) {
+ next;
+ }
+
+ $cfi_jt_symbol .= ".cfi_jt";
+ $cfi_jt->{$last_branch_addr} = $cfi_jt_symbol;
+
+ if (defined($last_symbol) && $last_symbol eq $cfi_jt_symbol) {
+ next; # already exists
+ }
+
+ # print out the symbol
+ if ($ismodule) {
+ push(@symbols, "\t\t$cfi_jt_symbol = . + 0x$last_branch_addr;");
+ } else {
+ push(@symbols, "$last_branch_addr t $cfi_jt_symbol");
+ }
+ }
+
+ close($fh);
+
+ if (!scalar(@symbols)) {
+ return;
+ }
+
+ if ($ismodule) {
+ print "SECTIONS {\n";
+ # With -fpatchable-function-entry, LLD isn't happy without this
+ print "\t__patchable_function_entries : { *(__patchable_function_entries) }\n";
+ print "\t.text : {\n";
+ }
+
+ foreach (@symbols) {
+ print "$_\n";
+ }
+
+ if ($ismodule) {
+ print "\t}\n}\n";
+ }
+}
+
+## reads defined text symbols from the file
+sub read_symbols {
+ open(my $fh, "\"$objdump\" --syms \"$file\" 2>/dev/null |")
+ or die "$0: ERROR: failed to execute \"$nm\": $!";
+
+ while (<$fh>) {
+ chomp;
+
+ # llvm/tools/llvm-objdump/objdump.cpp:objdump::printSymbol
+ my ($addr, $debug, $section, $ref, $symbol) = $_ =~
+ /^([a-f0-9]{16})\s.{5}(.).{2}(\S+)\s[a-f0-9]{16}(\s\.\S+)?\s(.*)$/;
+
+ if (defined($addr) && defined($section) && defined($symbol)) {
+ if (!($section =~ /^\.((init|exit)\.)?text$/)) {
+ next;
+ }
+ # skip arm mapping symbols
+ if ($symbol =~ /^\$[xd]\.\d+$/) {
+ next;
+ }
+ if (defined($debug) && $debug eq "d") {
+ next;
+ }
+
+ $addr = trim_zeros($addr);
+ $text_symbols->{"$section+$addr"} = $symbol;
+ }
+ }
+
+ close($fh);
+}
+
+## prints out the remaining symbols from nm -n, filtering out the unnecessary
+## __typeid__ symbols aliasing the jump table symbols we added
+sub print_kallsyms {
+ open(my $fh, "\"$nm\" -n \"$file\" 2>/dev/null |")
+ or die "$0: ERROR: failed to execute \"$nm\": $!";
+
+ while (<$fh>) {
+ chomp;
+
+ my ($addr, $symbol) = $_ =~ /^([a-f0-9]{16})\s.\s(.*)$/;
+
+ if (defined($addr) && defined($symbol)) {
+ # drop duplicate __typeid__ symbols
+ if ($symbol =~ /^__typeid__.*_global_addr$/ &&
+ exists($cfi_jt->{$addr})) {
+ next;
+ }
+ }
+
+ print "$_\n";
+ }
+
+ close($fh);
+}
+
+## main
+find_cfi_jt();
+
+if ($ismodule) {
+ read_symbols();
+ print_missing_symbols();
+} else {
+ print_missing_symbols();
+ print_kallsyms();
+}
diff --git a/scripts/generate_initcall_order.pl b/scripts/generate_initcall_order.pl
new file mode 100755
index 0000000..1a88d3f
--- /dev/null
+++ b/scripts/generate_initcall_order.pl
@@ -0,0 +1,270 @@
+#!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
+#
+# Generates a linker script that specifies the correct initcall order.
+#
+# Copyright (C) 2019 Google LLC
+
+use strict;
+use warnings;
+use IO::Handle;
+use IO::Select;
+use POSIX ":sys_wait_h";
+
+my $nm = $ENV{'NM'} || die "$0: ERROR: NM not set?";
+my $objtree = $ENV{'objtree'} || '.';
+
+## currently active child processes
+my $jobs = {}; # child process pid -> file handle
+## results from child processes
+my $results = {}; # object index -> [ { level, secname }, ... ]
+
+## reads _NPROCESSORS_ONLN to determine the maximum number of processes to
+## start
+sub get_online_processors {
+ open(my $fh, "getconf _NPROCESSORS_ONLN 2>/dev/null |")
+ or die "$0: ERROR: failed to execute getconf: $!";
+ my $procs = <$fh>;
+ close($fh);
+
+ if (!($procs =~ /^\d+$/)) {
+ return 1;
+ }
+
+ return int($procs);
+}
+
+## writes results to the parent process
+## format: <file index> <initcall level> <base initcall section name>
+sub write_results {
+ my ($index, $initcalls) = @_;
+
+ # sort by the counter value to ensure the order of initcalls within
+ # each object file is correct
+ foreach my $counter (sort { $a <=> $b } keys(%{$initcalls})) {
+ my $level = $initcalls->{$counter}->{'level'};
+
+ # section name for the initcall function
+ my $secname = $initcalls->{$counter}->{'module'} . '__' .
+ $counter . '_' .
+ $initcalls->{$counter}->{'line'} . '_' .
+ $initcalls->{$counter}->{'function'};
+
+ print "$index $level $secname\n";
+ }
+}
+
+## reads a result line from a child process and adds it to the $results array
+sub read_results{
+ my ($fh) = @_;
+
+ # each child prints out a full line w/ autoflush and exits after the
+ # last line, so even if buffered I/O blocks here, it shouldn't block
+ # very long
+ my $data = <$fh>;
+
+ if (!defined($data)) {
+ return 0;
+ }
+
+ chomp($data);
+
+ my ($index, $level, $secname) = $data =~
+ /^(\d+)\ ([^\ ]+)\ (.*)$/;
+
+ if (!defined($index) ||
+ !defined($level) ||
+ !defined($secname)) {
+ die "$0: ERROR: child process returned invalid data: $data\n";
+ }
+
+ $index = int($index);
+
+ if (!exists($results->{$index})) {
+ $results->{$index} = [];
+ }
+
+ push (@{$results->{$index}}, {
+ 'level' => $level,
+ 'secname' => $secname
+ });
+
+ return 1;
+}
+
+## finds initcalls from an object file or all object files in an archive, and
+## writes results back to the parent process
+sub find_initcalls {
+ my ($index, $file) = @_;
+
+ die "$0: ERROR: file $file doesn't exist?" if (! -f $file);
+
+ open(my $fh, "\"$nm\" --defined-only \"$file\" 2>/dev/null |")
+ or die "$0: ERROR: failed to execute \"$nm\": $!";
+
+ my $initcalls = {};
+
+ while (<$fh>) {
+ chomp;
+
+ # check for the start of a new object file (if processing an
+ # archive)
+ my ($path)= $_ =~ /^(.+)\:$/;
+
+ if (defined($path)) {
+ write_results($index, $initcalls);
+ $initcalls = {};
+ next;
+ }
+
+ # look for an initcall
+ my ($module, $counter, $line, $symbol) = $_ =~
+ /[a-z]\s+__initcall__(\S*)__(\d+)_(\d+)_(.*)$/;
+
+ if (!defined($module)) {
+ $module = ''
+ }
+
+ if (!defined($counter) ||
+ !defined($line) ||
+ !defined($symbol)) {
+ next;
+ }
+
+ # parse initcall level
+ my ($function, $level) = $symbol =~
+ /^(.*)((early|rootfs|con|[0-9])s?)$/;
+
+ die "$0: ERROR: invalid initcall name $symbol in $file($path)"
+ if (!defined($function) || !defined($level));
+
+ $initcalls->{$counter} = {
+ 'module' => $module,
+ 'line' => $line,
+ 'function' => $function,
+ 'level' => $level,
+ };
+ }
+
+ close($fh);
+ write_results($index, $initcalls);
+}
+
+## waits for any child process to complete, reads the results, and adds them to
+## the $results array for later processing
+sub wait_for_results {
+ my ($select) = @_;
+
+ my $pid = 0;
+ do {
+ # unblock children that may have a full write buffer
+ foreach my $fh ($select->can_read(0)) {
+ read_results($fh);
+ }
+
+ # check for children that have exited, read the remaining data
+ # from them, and clean up
+ $pid = waitpid(-1, WNOHANG);
+ if ($pid > 0) {
+ if (!exists($jobs->{$pid})) {
+ next;
+ }
+
+ my $fh = $jobs->{$pid};
+ $select->remove($fh);
+
+ while (read_results($fh)) {
+ # until eof
+ }
+
+ close($fh);
+ delete($jobs->{$pid});
+ }
+ } while ($pid > 0);
+}
+
+## forks a child to process each file passed in the command line and collects
+## the results
+sub process_files {
+ my $index = 0;
+ my $njobs = $ENV{'PARALLELISM'} || get_online_processors();
+ my $select = IO::Select->new();
+
+ while (my $file = shift(@ARGV)) {
+ # fork a child process and read it's stdout
+ my $pid = open(my $fh, '-|');
+
+ if (!defined($pid)) {
+ die "$0: ERROR: failed to fork: $!";
+ } elsif ($pid) {
+ # save the child process pid and the file handle
+ $select->add($fh);
+ $jobs->{$pid} = $fh;
+ } else {
+ # in the child process
+ STDOUT->autoflush(1);
+ find_initcalls($index, "$objtree/$file");
+ exit;
+ }
+
+ $index++;
+
+ # limit the number of children to $njobs
+ if (scalar(keys(%{$jobs})) >= $njobs) {
+ wait_for_results($select);
+ }
+ }
+
+ # wait for the remaining children to complete
+ while (scalar(keys(%{$jobs})) > 0) {
+ wait_for_results($select);
+ }
+}
+
+sub generate_initcall_lds() {
+ process_files();
+
+ my $sections = {}; # level -> [ secname, ...]
+
+ # sort results to retain link order and split to sections per
+ # initcall level
+ foreach my $index (sort { $a <=> $b } keys(%{$results})) {
+ foreach my $result (@{$results->{$index}}) {
+ my $level = $result->{'level'};
+
+ if (!exists($sections->{$level})) {
+ $sections->{$level} = [];
+ }
+
+ push(@{$sections->{$level}}, $result->{'secname'});
+ }
+ }
+
+ die "$0: ERROR: no initcalls?" if (!keys(%{$sections}));
+
+ # print out a linker script that defines the order of initcalls for
+ # each level
+ print "SECTIONS {\n";
+
+ foreach my $level (sort(keys(%{$sections}))) {
+ my $section;
+
+ if ($level eq 'con') {
+ $section = '.con_initcall.init';
+ } else {
+ $section = ".initcall${level}.init";
+ }
+
+ print "\t${section} : {\n";
+
+ foreach my $secname (@{$sections->{$level}}) {
+ print "\t\t*(${section}..${secname}) ;\n";
+ }
+
+ print "\t}\n";
+ }
+
+ print "}\n";
+}
+
+generate_initcall_lds();
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 63c8565..e5b4698 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -28,6 +28,7 @@
echo " -r list redundant entries when merging fragments"
echo " -y make builtin have precedence over modules"
echo " -O dir to put generated output files. Consider setting \$KCONFIG_CONFIG instead."
+ echo " -s strict mode. Fail if the fragment redefines any value."
echo
echo "Used prefix: '$CONFIG_PREFIX'. You can redefine it with \$CONFIG_ environment variable."
}
@@ -37,6 +38,7 @@
WARNREDUN=false
BUILTIN=false
OUTPUT=.
+STRICT=false
CONFIG_PREFIX=${CONFIG_-CONFIG_}
while true; do
@@ -75,6 +77,11 @@
shift 2
continue
;;
+ "-s")
+ STRICT=true
+ shift
+ continue
+ ;;
*)
break
;;
@@ -141,6 +148,9 @@
echo Previous value: $PREV_VAL
echo New value: $NEW_VAL
echo
+ if [ "$STRICT" = "true" ]; then
+ STRICT_MODE_VIOLATED=true
+ fi
elif [ "$WARNREDUN" = "true" ]; then
echo Value of $CFG is redundant by fragment $ORIG_MERGE_FILE:
fi
@@ -153,6 +163,11 @@
cat $MERGE_FILE >> $TMP_FILE
done
+if [ "$STRICT_MODE_VIOLATED" = "true" ]; then
+ echo "The fragment redefined a value and strict mode had been passed."
+ exit 1
+fi
+
if [ "$RUNMAKE" = "false" ]; then
cp -T -- "$TMP_FILE" "$KCONFIG_CONFIG"
echo "#"
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 6eded325..6ae0d70 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -43,11 +43,37 @@
fi
}
+# Generate a linker script to ensure correct ordering of initcalls.
+gen_initcalls()
+{
+ info GEN .tmp_initcalls.lds
+
+ ${PYTHON} ${srctree}/scripts/jobserver-exec \
+ ${PERL} ${srctree}/scripts/generate_initcall_order.pl \
+ ${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS} \
+ > .tmp_initcalls.lds
+}
+
+# If CONFIG_LTO_CLANG is selected, collect generated symbol versions into
+# .tmp_symversions.lds
+gen_symversions()
+{
+ info GEN .tmp_symversions.lds
+ rm -f .tmp_symversions.lds
+
+ for o in ${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS}; do
+ if [ -f ${o}.symversions ]; then
+ cat ${o}.symversions >> .tmp_symversions.lds
+ fi
+ done
+}
+
# Link of vmlinux.o used for section mismatch analysis
# ${1} output file
modpost_link()
{
local objects
+ local lds=""
objects="--whole-archive \
${KBUILD_VMLINUX_OBJS} \
@@ -56,19 +82,57 @@
${KBUILD_VMLINUX_LIBS} \
--end-group"
- ${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${objects}
+ if [ -n "${CONFIG_LTO_CLANG}" ]; then
+ gen_initcalls
+ lds="-T .tmp_initcalls.lds"
+
+ if [ -n "${CONFIG_MODVERSIONS}" ]; then
+ gen_symversions
+ lds="${lds} -T .tmp_symversions.lds"
+ fi
+
+ # This might take a while, so indicate that we're doing
+ # an LTO link
+ info LTO ${1}
+ else
+ info LD ${1}
+ fi
+
+ ${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${lds} ${objects}
}
objtool_link()
{
+ local objtoolcmd;
local objtoolopt;
+ if [ "${CONFIG_LTO_CLANG} ${CONFIG_STACK_VALIDATION}" = "y y" ]; then
+ # Don't perform vmlinux validation unless explicitly requested,
+ # but run objtool on vmlinux.o now that we have an object file.
+ if [ -n "${CONFIG_UNWINDER_ORC}" ]; then
+ objtoolcmd="orc generate"
+ fi
+
+ objtoolopt="${objtoolopt} --duplicate"
+
+ if [ -n "${CONFIG_FTRACE_MCOUNT_USE_OBJTOOL}" ]; then
+ objtoolopt="${objtoolopt} --mcount"
+ fi
+ fi
+
if [ -n "${CONFIG_VMLINUX_VALIDATION}" ]; then
- objtoolopt="check"
+ objtoolopt="${objtoolopt} --noinstr"
+ fi
+
+ if [ -n "${objtoolopt}" ]; then
+ if [ -z "${objtoolcmd}" ]; then
+ objtoolcmd="check"
+ fi
+ objtoolopt="${objtoolopt} --vmlinux"
if [ -z "${CONFIG_FRAME_POINTER}" ]; then
objtoolopt="${objtoolopt} --no-fp"
fi
- if [ -n "${CONFIG_GCOV_KERNEL}" ]; then
+ if [ -n "${CONFIG_GCOV_KERNEL}" ] || [ -n "${CONFIG_LTO_CLANG}" ]; then
objtoolopt="${objtoolopt} --no-unreachable"
fi
if [ -n "${CONFIG_RETPOLINE}" ]; then
@@ -78,7 +142,7 @@
objtoolopt="${objtoolopt} --uaccess"
fi
info OBJTOOL ${1}
- tools/objtool/objtool ${objtoolopt} ${1}
+ tools/objtool/objtool ${objtoolcmd} ${objtoolopt} ${1}
fi
}
@@ -103,13 +167,22 @@
fi
if [ "${SRCARCH}" != "um" ]; then
- objects="--whole-archive \
- ${KBUILD_VMLINUX_OBJS} \
- --no-whole-archive \
- --start-group \
- ${KBUILD_VMLINUX_LIBS} \
- --end-group \
- ${@}"
+ if [ -n "${CONFIG_LTO_CLANG}" ]; then
+ # Use vmlinux.o instead of performing the slow LTO
+ # link again.
+ objects="--whole-archive \
+ vmlinux.o \
+ --no-whole-archive \
+ ${@}"
+ else
+ objects="--whole-archive \
+ ${KBUILD_VMLINUX_OBJS} \
+ --no-whole-archive \
+ --start-group \
+ ${KBUILD_VMLINUX_LIBS} \
+ --end-group \
+ ${@}"
+ fi
${LD} ${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux} \
${strip_debug#-Wl,} \
@@ -187,7 +260,15 @@
fi
info KSYMS ${2}
- ${NM} -n ${1} | scripts/kallsyms ${kallsymopt} > ${2}
+
+ if [ -n "${CONFIG_CFI_CLANG}" ]; then
+ ${PERL} ${srctree}/scripts/generate_cfi_kallsyms.pl ${1} | \
+ sort -n > .tmp_kallsyms
+ else
+ ${NM} -n ${1} > .tmp_kallsyms
+ fi
+
+ scripts/kallsyms ${kallsymopt} < .tmp_kallsyms > ${2}
}
# Perform one step in kallsyms generation, including temporary linking of
@@ -225,6 +306,9 @@
{
rm -f .btf.*
rm -f .tmp_System.map
+ rm -f .tmp_kallsyms
+ rm -f .tmp_initcalls.lds
+ rm -f .tmp_symversions.lds
rm -f .tmp_vmlinux*
rm -f System.map
rm -f vmlinux
@@ -274,7 +358,6 @@
${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init need-builtin=1
#link vmlinux.o
-info LD vmlinux.o
modpost_link vmlinux.o
objtool_link vmlinux.o
diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index 7807168..c9e38ad 100644
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
OBJECT_FILES_NON_STANDARD := y
+CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO)
hostprogs-always-y += modpost mk_elfconfig
always-y += empty.o
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index e08f75a..9c8c751 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -17,7 +17,6 @@
#include <ctype.h>
#include <string.h>
#include <limits.h>
-#include <stdbool.h>
#include <errno.h>
#include "modpost.h"
#include "../../include/linux/license.h"
@@ -30,16 +29,20 @@ static int have_vmlinux = 0;
static int all_versions = 0;
/* If we are modposting external module set to 1 */
static int external_module = 0;
+#define MODULE_SCMVERSION_SIZE 64
+static char module_scmversion[MODULE_SCMVERSION_SIZE];
/* Only warn about unresolved symbols */
static int warn_unresolved = 0;
/* How a symbol is exported */
static int sec_mismatch_count = 0;
-static int sec_mismatch_fatal = 0;
+static int sec_mismatch_warn_only = true;
/* ignore missing files */
static int ignore_missing_files;
/* If set to 1, only warn (instead of error) about missing ns imports */
static int allow_missing_ns_imports;
+static bool error_occurred;
+
enum export {
export_plain, export_unused, export_gpl,
export_unused_gpl, export_gpl_future, export_unknown
@@ -78,14 +81,8 @@ modpost_log(enum loglevel loglevel, const char *fmt, ...)
if (loglevel == LOG_FATAL)
exit(1);
-}
-
-static inline bool strends(const char *str, const char *postfix)
-{
- if (strlen(str) < strlen(postfix))
- return false;
-
- return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
+ if (loglevel == LOG_ERROR)
+ error_occurred = true;
}
void *do_nofail(void *ptr, const char *expr)
@@ -403,8 +400,8 @@ static void sym_update_namespace(const char *symname, const char *namespace)
* actually an assertion.
*/
if (!s) {
- merror("Could not update namespace(%s) for symbol %s\n",
- namespace, symname);
+ error("Could not update namespace(%s) for symbol %s\n",
+ namespace, symname);
return;
}
@@ -426,10 +423,9 @@ static struct symbol *sym_add_exported(const char *name, struct module *mod,
s = new_symbol(name, mod, export);
} else if (!external_module || s->module->is_vmlinux ||
s->module == mod) {
- warn("%s: '%s' exported twice. Previous export was in %s%s\n",
- mod->name, name, s->module->name,
- s->module->is_vmlinux ? "" : ".ko");
- return s;
+ fatal("%s: '%s' exported twice. Previous export was in %s%s\n",
+ mod->name, name, s->module->name,
+ s->module->is_vmlinux ? "" : ".ko");
}
s->module = mod;
@@ -1984,6 +1980,10 @@ static char *remove_dot(char *s)
size_t m = strspn(s + n + 1, "0123456789");
if (m && (s[n + m] == '.' || s[n + m] == 0))
s[n] = 0;
+
+ /* strip trailing .lto */
+ if (strends(s, ".lto"))
+ s[strlen(s) - 4] = '\0';
}
return s;
}
@@ -2007,6 +2007,9 @@ static void read_symbols(const char *modname)
/* strip trailing .o */
tmp = NOFAIL(strdup(modname));
tmp[strlen(tmp) - 2] = '\0';
+ /* strip trailing .lto */
+ if (strends(tmp, ".lto"))
+ tmp[strlen(tmp) - 4] = '\0';
mod = new_module(tmp);
free(tmp);
}
@@ -2014,7 +2017,7 @@ static void read_symbols(const char *modname)
if (!mod->is_vmlinux) {
license = get_modinfo(&info, "license");
if (!license)
- warn("missing MODULE_LICENSE() in %s\n", modname);
+ error("missing MODULE_LICENSE() in %s\n", modname);
while (license) {
if (license_is_gpl_compatible(license))
mod->gpl_compatible = 1;
@@ -2141,11 +2144,11 @@ static void check_for_gpl_usage(enum export exp, const char *m, const char *s)
{
switch (exp) {
case export_gpl:
- fatal("GPL-incompatible module %s.ko uses GPL-only symbol '%s'\n",
+ error("GPL-incompatible module %s.ko uses GPL-only symbol '%s'\n",
m, s);
break;
case export_unused_gpl:
- fatal("GPL-incompatible module %s.ko uses GPL-only symbol marked UNUSED '%s'\n",
+ error("GPL-incompatible module %s.ko uses GPL-only symbol marked UNUSED '%s'\n",
m, s);
break;
case export_gpl_future:
@@ -2174,22 +2177,18 @@ static void check_for_unused(enum export exp, const char *m, const char *s)
}
}
-static int check_exports(struct module *mod)
+static void check_exports(struct module *mod)
{
struct symbol *s, *exp;
- int err = 0;
for (s = mod->unres; s; s = s->next) {
const char *basename;
exp = find_symbol(s->name);
if (!exp || exp->module == mod) {
- if (have_vmlinux && !s->weak) {
+ if (have_vmlinux && !s->weak)
modpost_log(warn_unresolved ? LOG_WARN : LOG_ERROR,
"\"%s\" [%s.ko] undefined!\n",
s->name, mod->name);
- if (!warn_unresolved)
- err = 1;
- }
continue;
}
basename = strrchr(mod->name, '/');
@@ -2203,8 +2202,6 @@ static int check_exports(struct module *mod)
modpost_log(allow_missing_ns_imports ? LOG_WARN : LOG_ERROR,
"module %s uses symbol %s from namespace %s, but does not import it.\n",
basename, exp->name, exp->namespace);
- if (!allow_missing_ns_imports)
- err = 1;
add_namespace(&mod->missing_namespaces, exp->namespace);
}
@@ -2212,11 +2209,9 @@ static int check_exports(struct module *mod)
check_for_gpl_usage(exp->export, basename, exp->name);
check_for_unused(exp->export, basename, exp->name);
}
-
- return err;
}
-static int check_modname_len(struct module *mod)
+static void check_modname_len(struct module *mod)
{
const char *mod_name;
@@ -2225,12 +2220,8 @@ static int check_modname_len(struct module *mod)
mod_name = mod->name;
else
mod_name++;
- if (strlen(mod_name) >= MODULE_NAME_LEN) {
- merror("module name is too long [%s.ko]\n", mod->name);
- return 1;
- }
-
- return 0;
+ if (strlen(mod_name) >= MODULE_NAME_LEN)
+ error("module name is too long [%s.ko]\n", mod->name);
}
/**
@@ -2272,6 +2263,20 @@ static void add_intree_flag(struct buffer *b, int is_intree)
buf_printf(b, "\nMODULE_INFO(intree, \"Y\");\n");
}
+/**
+ * add_scmversion() - Adds the MODULE_INFO macro for the scmversion.
+ * @b: Buffer to append to.
+ *
+ * This function fills in the module attribute `scmversion` for the kernel
+ * module. This is useful for determining a given module's SCM version on
+ * device via /sys/modules/<module>/scmversion and/or using the modinfo tool.
+ */
+static void add_scmversion(struct buffer *b)
+{
+ if (module_scmversion[0] != '\0')
+ buf_printf(b, "\nMODULE_INFO(scmversion, \"%s\");\n", module_scmversion);
+}
+
/* Cannot check for assembler */
static void add_retpoline(struct buffer *b)
{
@@ -2289,10 +2294,9 @@ static void add_staging_flag(struct buffer *b, const char *name)
/**
* Record CRCs for unresolved symbols
**/
-static int add_versions(struct buffer *b, struct module *mod)
+static void add_versions(struct buffer *b, struct module *mod)
{
struct symbol *s, *exp;
- int err = 0;
for (s = mod->unres; s; s = s->next) {
exp = find_symbol(s->name);
@@ -2304,7 +2308,7 @@ static int add_versions(struct buffer *b, struct module *mod)
}
if (!modversions)
- return err;
+ return;
buf_printf(b, "\n");
buf_printf(b, "static const struct modversion_info ____versions[]\n");
@@ -2319,9 +2323,8 @@ static int add_versions(struct buffer *b, struct module *mod)
continue;
}
if (strlen(s->name) >= MODULE_NAME_LEN) {
- merror("too long symbol \"%s\" [%s.ko]\n",
- s->name, mod->name);
- err = 1;
+ error("too long symbol \"%s\" [%s.ko]\n",
+ s->name, mod->name);
break;
}
buf_printf(b, "\t{ %#8x, \"%s\" },\n",
@@ -2329,8 +2332,6 @@ static int add_versions(struct buffer *b, struct module *mod)
}
buf_printf(b, "};\n");
-
- return err;
}
static void add_depends(struct buffer *b, struct module *mod)
@@ -2541,12 +2542,11 @@ int main(int argc, char **argv)
char *missing_namespace_deps = NULL;
char *dump_write = NULL, *files_source = NULL;
int opt;
- int err;
int n;
struct dump_list *dump_read_start = NULL;
struct dump_list **dump_read_iter = &dump_read_start;
- while ((opt = getopt(argc, argv, "ei:mnT:o:awENd:")) != -1) {
+ while ((opt = getopt(argc, argv, "ei:mnT:o:awENd:v:")) != -1) {
switch (opt) {
case 'e':
external_module = 1;
@@ -2576,7 +2576,7 @@ int main(int argc, char **argv)
warn_unresolved = 1;
break;
case 'E':
- sec_mismatch_fatal = 1;
+ sec_mismatch_warn_only = false;
break;
case 'N':
allow_missing_ns_imports = 1;
@@ -2584,6 +2584,9 @@ int main(int argc, char **argv)
case 'd':
missing_namespace_deps = optarg;
break;
+ case 'v':
+ strncpy(module_scmversion, optarg, sizeof(module_scmversion) - 1);
+ break;
default:
exit(1);
}
@@ -2611,8 +2614,6 @@ int main(int argc, char **argv)
if (!have_vmlinux)
warn("Symbol info of vmlinux is missing. Unresolved symbol check will be entirely skipped.\n");
- err = 0;
-
for (mod = modules; mod; mod = mod->next) {
char fname[PATH_MAX];
@@ -2621,17 +2622,18 @@ int main(int argc, char **argv)
buf.pos = 0;
- err |= check_modname_len(mod);
- err |= check_exports(mod);
+ check_modname_len(mod);
+ check_exports(mod);
add_header(&buf, mod);
add_intree_flag(&buf, !external_module);
add_retpoline(&buf);
add_staging_flag(&buf, mod->name);
- err |= add_versions(&buf, mod);
+ add_versions(&buf, mod);
add_depends(&buf, mod);
add_moddevtable(&buf, mod);
add_srcversion(&buf, mod);
+ add_scmversion(&buf);
sprintf(fname, "%s.mod.c", mod->name);
write_if_changed(&buf, fname);
@@ -2642,21 +2644,21 @@ int main(int argc, char **argv)
if (dump_write)
write_dump(dump_write);
- if (sec_mismatch_count && sec_mismatch_fatal)
- fatal("Section mismatches detected.\n"
+ if (sec_mismatch_count && !sec_mismatch_warn_only)
+ error("Section mismatches detected.\n"
"Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.\n");
for (n = 0; n < SYMBOL_HASH_SIZE; n++) {
struct symbol *s;
for (s = symbolhash[n]; s; s = s->next) {
if (s->is_static)
- warn("\"%s\" [%s] is a static %s\n",
- s->name, s->module->name,
- export_str(s->export));
+ error("\"%s\" [%s] is a static %s\n",
+ s->name, s->module->name,
+ export_str(s->export));
}
}
free(buf.p);
- return err;
+ return error_occurred ? 1 : 0;
}
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 3aa0527..1f76eea 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -2,6 +2,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
+#include <stdbool.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -180,6 +181,14 @@ static inline unsigned int get_secindex(const struct elf_info *info,
return info->symtab_shndx_start[sym - info->symtab_start];
}
+static inline bool strends(const char *str, const char *postfix)
+{
+ if (strlen(str) < strlen(postfix))
+ return false;
+
+ return strcmp(str + strlen(str) - strlen(postfix), postfix) == 0;
+}
+
/* file2alias.c */
extern unsigned int cross_build;
void handle_moddevtable(struct module *mod, struct elf_info *info,
@@ -201,6 +210,19 @@ enum loglevel {
void modpost_log(enum loglevel loglevel, const char *fmt, ...);
+/*
+ * warn - show the given message, then let modpost continue running, still
+ * allowing modpost to exit successfully. This should be used when
+ * we still allow to generate vmlinux and modules.
+ *
+ * error - show the given message, then let modpost continue running, but fail
+ * in the end. This should be used when we should stop building vmlinux
+ * or modules, but we can continue running modpost to catch as many
+ * issues as possible.
+ *
+ * fatal - show the given message, and bail out immediately. This should be
+ * used when there is no point to continue running modpost.
+ */
#define warn(fmt, args...) modpost_log(LOG_WARN, fmt, ##args)
-#define merror(fmt, args...) modpost_log(LOG_ERROR, fmt, ##args)
+#define error(fmt, args...) modpost_log(LOG_ERROR, fmt, ##args)
#define fatal(fmt, args...) modpost_log(LOG_FATAL, fmt, ##args)
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index d587f40..760e6ba 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -391,10 +391,14 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
struct md4_ctx md;
char *fname;
char filelist[PATH_MAX + 1];
+ int postfix_len = 1;
+
+ if (strends(modname, ".lto.o"))
+ postfix_len = 5;
/* objects for a module are listed in the first line of *.mod file. */
snprintf(filelist, sizeof(filelist), "%.*smod",
- (int)strlen(modname) - 1, modname);
+ (int)strlen(modname) - postfix_len, modname);
buf = read_text_file(filelist);
diff --git a/scripts/module.lds.S b/scripts/module.lds.S
index 69b9b71..6cca5d8 100644
--- a/scripts/module.lds.S
+++ b/scripts/module.lds.S
@@ -3,10 +3,17 @@
* Archs are free to supply their own linker scripts. ld will
* combine them automatically.
*/
+#include <asm/page.h>
+
SECTIONS {
/DISCARD/ : {
*(.discard)
*(.discard.*)
+ /*
+ * LLD may emit .eh_frame with CONFIG_CFI_CLANG despite
+ * -fno-asynchronous-unwind-tables. Discard the section.
+ */
+ *(.eh_frame)
}
__ksymtab 0 : { *(SORT(___ksymtab+*)) }
@@ -23,6 +30,50 @@
.init_array 0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
__jump_table 0 : ALIGN(8) { KEEP(*(__jump_table)) }
+
+ __patchable_function_entries : { *(__patchable_function_entries) }
+
+#ifdef CONFIG_LTO_CLANG
+ /*
+ * With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
+ * -ffunction-sections, which increases the size of the final module.
+ * Merge the split sections in the final binary.
+ */
+ .bss : {
+ *(.bss .bss.[0-9a-zA-Z_]*)
+ *(.bss..L*)
+ }
+
+ .data : {
+ *(.data .data.[0-9a-zA-Z_]*)
+ *(.data..L*)
+ }
+
+ .rodata : {
+ *(.rodata.._start)
+ *(.rodata .rodata.[0-9a-zA-Z_]*)
+ *(.rodata..L*)
+ *(.rodata.._end)
+ }
+
+ .text : ALIGN(PAGE_SIZE) {
+ *(.text.._start)
+#ifdef CONFIG_CFI_CLANG
+ /*
+ * With CFI_CLANG, ensure __cfi_check is at the beginning of
+ * the .text section, and that the section is aligned to page
+ * size.
+ */
+ *(.text.__cfi_check)
+#endif
+ *(.text .text.[0-9a-zA-Z_]*)
+ __cfi_jt_start = .;
+ *(.text..L.cfi.jumptable .text..L.cfi.jumptable.*)
+ __cfi_jt_end = .;
+ *(.text.._end)
+ *(.text.._fips140_unchecked)
+ }
+#endif
}
/* bring in arch-specific sections */
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index bb709ed..8429366 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -11,12 +11,14 @@
#
usage() {
- echo "Usage: $0 [--save-scmversion] [srctree]" >&2
+ echo "Usage: $0 [--save-scmversion] [srctree] [branch] [kmi-generation]" >&2
exit 1
}
scm_only=false
srctree=.
+android_release=
+kmi_generation=
if test "$1" = "--save-scmversion"; then
scm_only=true
shift
@@ -25,6 +27,22 @@
srctree=$1
shift
fi
+if test $# -gt 0; then
+ # Extract the Android release version. If there is no match, then return 255
+ # and clear the var $android_release
+ android_release=`echo "$1" | sed -e '/android[0-9]\{2,\}/!{q255}; \
+ s/^\(android[0-9]\{2,\}\)-.*/\1/'`
+ if test $? -ne 0; then
+ android_release=
+ fi
+ shift
+
+ if test $# -gt 0; then
+ kmi_generation=$1
+ [ $(expr $kmi_generation : '^[0-9]\+$') -eq 0 ] && usage
+ shift
+ fi
+fi
if test $# -gt 0 -o ! -d "$srctree"; then
usage
fi
@@ -44,8 +62,13 @@
fi
# Check for git and a git repo.
- if test -z "$(git rev-parse --show-cdup 2>/dev/null)" &&
- head=$(git rev-parse --verify HEAD 2>/dev/null); then
+ if head=$(git rev-parse --verify HEAD 2>/dev/null); then
+
+ if [ -n "$android_release" ] && [ -n "$kmi_generation" ]; then
+ printf '%s' "-$android_release-$kmi_generation"
+ elif [ -n "$android_release" ]; then
+ printf '%s' "-$android_release"
+ fi
# If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
# it, because this version is defined in the top level Makefile.
@@ -102,7 +125,7 @@
fi
# Check for mercurial and a mercurial repo.
- if test -d .hg && hgid=$(hg id 2>/dev/null); then
+ if hgid=$(hg id 2>/dev/null); then
# Do we have an tagged version? If so, latesttagdistance == 1
if [ "$(hg log -r . --template '{latesttagdistance}')" = "1" ]; then
id=$(hg log -r . --template '{latesttag}')
diff --git a/security/Kconfig.hardening b/security/Kconfig.hardening
index 269967c..a56c364 100644
--- a/security/Kconfig.hardening
+++ b/security/Kconfig.hardening
@@ -64,7 +64,7 @@
config GCC_PLUGIN_STRUCTLEAK_BYREF
bool "zero-init structs passed by reference (strong)"
depends on GCC_PLUGINS
- depends on !(KASAN && KASAN_STACK=1)
+ depends on !(KASAN && KASAN_STACK)
select GCC_PLUGIN_STRUCTLEAK
help
Zero-initialize any structures on the stack that may
@@ -82,7 +82,7 @@
config GCC_PLUGIN_STRUCTLEAK_BYREF_ALL
bool "zero-init anything passed by reference (very strong)"
depends on GCC_PLUGINS
- depends on !(KASAN && KASAN_STACK=1)
+ depends on !(KASAN && KASAN_STACK)
select GCC_PLUGIN_STRUCTLEAK
help
Zero-initialize any stack variables that may be passed
diff --git a/security/commoncap.c b/security/commoncap.c
index 28d582e..4bdb44c 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -297,7 +297,8 @@ int cap_inode_need_killpriv(struct dentry *dentry)
struct inode *inode = d_backing_inode(dentry);
int error;
- error = __vfs_getxattr(dentry, inode, XATTR_NAME_CAPS, NULL, 0);
+ error = __vfs_getxattr(dentry, inode, XATTR_NAME_CAPS, NULL, 0,
+ XATTR_NOSECURITY);
return error > 0;
}
@@ -605,7 +606,8 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data
fs_ns = inode->i_sb->s_user_ns;
size = __vfs_getxattr((struct dentry *)dentry, inode,
- XATTR_NAME_CAPS, &data, XATTR_CAPS_SZ);
+ XATTR_NAME_CAPS, &data, XATTR_CAPS_SZ,
+ XATTR_NOSECURITY);
if (size == -ENODATA || size == -EOPNOTSUPP)
/* no data, that's ok */
return -ENODATA;
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index b929c68..fab2dc3 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -101,7 +101,8 @@ static int evm_find_protected_xattrs(struct dentry *dentry)
return -EOPNOTSUPP;
list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
- error = __vfs_getxattr(dentry, inode, xattr->name, NULL, 0);
+ error = __vfs_getxattr(dentry, inode, xattr->name, NULL, 0,
+ XATTR_NOSECURITY);
if (error < 0) {
if (error == -ENODATA)
continue;
diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
index 87cbdc6..7bb0ce3 100644
--- a/security/lockdown/lockdown.c
+++ b/security/lockdown/lockdown.c
@@ -16,6 +16,34 @@
static enum lockdown_reason kernel_locked_down;
+static const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1] = {
+ [LOCKDOWN_NONE] = "none",
+ [LOCKDOWN_MODULE_SIGNATURE] = "unsigned module loading",
+ [LOCKDOWN_DEV_MEM] = "/dev/mem,kmem,port",
+ [LOCKDOWN_EFI_TEST] = "/dev/efi_test access",
+ [LOCKDOWN_KEXEC] = "kexec of unsigned images",
+ [LOCKDOWN_HIBERNATION] = "hibernation",
+ [LOCKDOWN_PCI_ACCESS] = "direct PCI access",
+ [LOCKDOWN_IOPORT] = "raw io port access",
+ [LOCKDOWN_MSR] = "raw MSR access",
+ [LOCKDOWN_ACPI_TABLES] = "modifying ACPI tables",
+ [LOCKDOWN_PCMCIA_CIS] = "direct PCMCIA CIS storage",
+ [LOCKDOWN_TIOCSSERIAL] = "reconfiguration of serial port IO",
+ [LOCKDOWN_MODULE_PARAMETERS] = "unsafe module parameters",
+ [LOCKDOWN_MMIOTRACE] = "unsafe mmio",
+ [LOCKDOWN_DEBUGFS] = "debugfs access",
+ [LOCKDOWN_XMON_WR] = "xmon write access",
+ [LOCKDOWN_BPF_WRITE_USER] = "use of bpf to write user RAM",
+ [LOCKDOWN_INTEGRITY_MAX] = "integrity",
+ [LOCKDOWN_KCORE] = "/proc/kcore access",
+ [LOCKDOWN_KPROBES] = "use of kprobes",
+ [LOCKDOWN_BPF_READ] = "use of bpf to read kernel RAM",
+ [LOCKDOWN_PERF] = "unsafe use of perf",
+ [LOCKDOWN_TRACEFS] = "use of tracefs",
+ [LOCKDOWN_XMON_RW] = "xmon read and write access",
+ [LOCKDOWN_CONFIDENTIALITY_MAX] = "confidentiality",
+};
+
static const enum lockdown_reason lockdown_levels[] = {LOCKDOWN_NONE,
LOCKDOWN_INTEGRITY_MAX,
LOCKDOWN_CONFIDENTIALITY_MAX};
diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index 08d5ef4..6f76044 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -27,7 +27,6 @@
#include <linux/dccp.h>
#include <linux/sctp.h>
#include <linux/lsm_audit.h>
-#include <linux/security.h>
/**
* ipv4_skb_to_auditdata : fill auditdata from skb
@@ -434,10 +433,6 @@ static void dump_common_audit_data(struct audit_buffer *ab,
a->u.ibendport->dev_name,
a->u.ibendport->port);
break;
- case LSM_AUDIT_DATA_LOCKDOWN:
- audit_log_format(ab, " lockdown_reason=\"%s\"",
- lockdown_reasons[a->u.reason]);
- break;
} /* switch (a->type) */
}
diff --git a/security/security.c b/security/security.c
index a864ff8..1e0f79c 100644
--- a/security/security.c
+++ b/security/security.c
@@ -35,40 +35,6 @@
/* How many LSMs were built into the kernel? */
#define LSM_COUNT (__end_lsm_info - __start_lsm_info)
-/*
- * These are descriptions of the reasons that can be passed to the
- * security_locked_down() LSM hook. Placing this array here allows
- * all security modules to use the same descriptions for auditing
- * purposes.
- */
-const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1] = {
- [LOCKDOWN_NONE] = "none",
- [LOCKDOWN_MODULE_SIGNATURE] = "unsigned module loading",
- [LOCKDOWN_DEV_MEM] = "/dev/mem,kmem,port",
- [LOCKDOWN_EFI_TEST] = "/dev/efi_test access",
- [LOCKDOWN_KEXEC] = "kexec of unsigned images",
- [LOCKDOWN_HIBERNATION] = "hibernation",
- [LOCKDOWN_PCI_ACCESS] = "direct PCI access",
- [LOCKDOWN_IOPORT] = "raw io port access",
- [LOCKDOWN_MSR] = "raw MSR access",
- [LOCKDOWN_ACPI_TABLES] = "modifying ACPI tables",
- [LOCKDOWN_PCMCIA_CIS] = "direct PCMCIA CIS storage",
- [LOCKDOWN_TIOCSSERIAL] = "reconfiguration of serial port IO",
- [LOCKDOWN_MODULE_PARAMETERS] = "unsafe module parameters",
- [LOCKDOWN_MMIOTRACE] = "unsafe mmio",
- [LOCKDOWN_DEBUGFS] = "debugfs access",
- [LOCKDOWN_XMON_WR] = "xmon write access",
- [LOCKDOWN_BPF_WRITE_USER] = "use of bpf to write user RAM",
- [LOCKDOWN_INTEGRITY_MAX] = "integrity",
- [LOCKDOWN_KCORE] = "/proc/kcore access",
- [LOCKDOWN_KPROBES] = "use of kprobes",
- [LOCKDOWN_BPF_READ] = "use of bpf to read kernel RAM",
- [LOCKDOWN_PERF] = "unsafe use of perf",
- [LOCKDOWN_TRACEFS] = "use of tracefs",
- [LOCKDOWN_XMON_RW] = "xmon read and write access",
- [LOCKDOWN_CONFIDENTIALITY_MAX] = "confidentiality",
-};
-
struct security_hook_heads security_hook_heads __lsm_ro_after_init;
static BLOCKING_NOTIFIER_HEAD(blocking_lsm_notifier_chain);
@@ -1059,6 +1025,14 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
}
EXPORT_SYMBOL(security_inode_init_security);
+int security_inode_init_security_anon(struct inode *inode,
+ const struct qstr *name,
+ const struct inode *context_inode)
+{
+ return call_int_hook(inode_init_security_anon, 0, inode, name,
+ context_inode);
+}
+
int security_old_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr, const char **name,
void **value, size_t *len)
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index 884a014..e1efe744 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -44,6 +44,9 @@
#define avc_cache_stats_incr(field) do {} while (0)
#endif
+#undef CREATE_TRACE_POINTS
+#include <trace/hooks/avc.h>
+
struct avc_entry {
u32 ssid;
u32 tsid;
@@ -441,6 +444,7 @@ static void avc_node_free(struct rcu_head *rhead)
static void avc_node_delete(struct selinux_avc *avc, struct avc_node *node)
{
+ trace_android_vh_selinux_avc_node_delete(node);
hlist_del_rcu(&node->list);
call_rcu(&node->rhead, avc_node_free);
atomic_dec(&avc->avc_cache.active_nodes);
@@ -457,6 +461,7 @@ static void avc_node_kill(struct selinux_avc *avc, struct avc_node *node)
static void avc_node_replace(struct selinux_avc *avc,
struct avc_node *new, struct avc_node *old)
{
+ trace_android_vh_selinux_avc_node_replace(old, new);
hlist_replace_rcu(&old->list, &new->list);
call_rcu(&old->rhead, avc_node_free);
atomic_dec(&avc->avc_cache.active_nodes);
@@ -565,8 +570,10 @@ static struct avc_node *avc_lookup(struct selinux_avc *avc,
avc_cache_stats_incr(lookups);
node = avc_search_node(avc, ssid, tsid, tclass);
- if (node)
+ if (node) {
+ trace_android_vh_selinux_avc_lookup(node, ssid, tsid, tclass);
return node;
+ }
avc_cache_stats_incr(misses);
return NULL;
@@ -650,6 +657,7 @@ static struct avc_node *avc_insert(struct selinux_avc *avc,
}
}
hlist_add_head_rcu(&node->list, head);
+ trace_android_vh_selinux_avc_insert(node);
found:
spin_unlock_irqrestore(lock, flag);
return node;
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index f32026b..0a18cbc 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -504,7 +504,8 @@ static int sb_finish_set_opts(struct super_block *sb)
goto out;
}
- rc = __vfs_getxattr(root, root_inode, XATTR_NAME_SELINUX, NULL, 0);
+ rc = __vfs_getxattr(root, root_inode, XATTR_NAME_SELINUX, NULL,
+ 0, XATTR_NOSECURITY);
if (rc < 0 && rc != -ENODATA) {
if (rc == -EOPNOTSUPP)
pr_warn("SELinux: (dev %s, type "
@@ -1332,12 +1333,14 @@ static int inode_doinit_use_xattr(struct inode *inode, struct dentry *dentry,
return -ENOMEM;
context[len] = '\0';
- rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len);
+ rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, context, len,
+ XATTR_NOSECURITY);
if (rc == -ERANGE) {
kfree(context);
/* Need a larger buffer. Query for the right size. */
- rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, NULL, 0);
+ rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX, NULL, 0,
+ XATTR_NOSECURITY);
if (rc < 0)
return rc;
@@ -1348,7 +1351,7 @@ static int inode_doinit_use_xattr(struct inode *inode, struct dentry *dentry,
context[len] = '\0';
rc = __vfs_getxattr(dentry, inode, XATTR_NAME_SELINUX,
- context, len);
+ context, len, XATTR_NOSECURITY);
}
if (rc < 0) {
kfree(context);
@@ -2929,6 +2932,62 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
return 0;
}
+static int selinux_inode_init_security_anon(struct inode *inode,
+ const struct qstr *name,
+ const struct inode *context_inode)
+{
+ const struct task_security_struct *tsec = selinux_cred(current_cred());
+ struct common_audit_data ad;
+ struct inode_security_struct *isec;
+ int rc;
+
+ if (unlikely(!selinux_initialized(&selinux_state)))
+ return 0;
+
+ isec = selinux_inode(inode);
+
+ /*
+ * We only get here once per ephemeral inode. The inode has
+ * been initialized via inode_alloc_security but is otherwise
+ * untouched.
+ */
+
+ if (context_inode) {
+ struct inode_security_struct *context_isec =
+ selinux_inode(context_inode);
+ if (context_isec->initialized != LABEL_INITIALIZED) {
+ pr_err("SELinux: context_inode is not initialized");
+ return -EACCES;
+ }
+
+ isec->sclass = context_isec->sclass;
+ isec->sid = context_isec->sid;
+ } else {
+ isec->sclass = SECCLASS_ANON_INODE;
+ rc = security_transition_sid(
+ &selinux_state, tsec->sid, tsec->sid,
+ isec->sclass, name, &isec->sid);
+ if (rc)
+ return rc;
+ }
+
+ isec->initialized = LABEL_INITIALIZED;
+ /*
+ * Now that we've initialized security, check whether we're
+ * allowed to actually create this type of anonymous inode.
+ */
+
+ ad.type = LSM_AUDIT_DATA_INODE;
+ ad.u.inode = inode;
+
+ return avc_has_perm(&selinux_state,
+ tsec->sid,
+ isec->sid,
+ isec->sclass,
+ FILE__CREATE,
+ &ad);
+}
+
static int selinux_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
{
return may_create(dir, dentry, SECCLASS_FILE);
@@ -6846,34 +6905,6 @@ static void selinux_bpf_prog_free(struct bpf_prog_aux *aux)
}
#endif
-static int selinux_lockdown(enum lockdown_reason what)
-{
- struct common_audit_data ad;
- u32 sid = current_sid();
- int invalid_reason = (what <= LOCKDOWN_NONE) ||
- (what == LOCKDOWN_INTEGRITY_MAX) ||
- (what >= LOCKDOWN_CONFIDENTIALITY_MAX);
-
- if (WARN(invalid_reason, "Invalid lockdown reason")) {
- audit_log(audit_context(),
- GFP_ATOMIC, AUDIT_SELINUX_ERR,
- "lockdown_reason=invalid");
- return -EINVAL;
- }
-
- ad.type = LSM_AUDIT_DATA_LOCKDOWN;
- ad.u.reason = what;
-
- if (what <= LOCKDOWN_INTEGRITY_MAX)
- return avc_has_perm(&selinux_state,
- sid, sid, SECCLASS_LOCKDOWN,
- LOCKDOWN__INTEGRITY, &ad);
- else
- return avc_has_perm(&selinux_state,
- sid, sid, SECCLASS_LOCKDOWN,
- LOCKDOWN__CONFIDENTIALITY, &ad);
-}
-
struct lsm_blob_sizes selinux_blob_sizes __lsm_ro_after_init = {
.lbs_cred = sizeof(struct task_security_struct),
.lbs_file = sizeof(struct file_security_struct),
@@ -6998,6 +7029,7 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(inode_free_security, selinux_inode_free_security),
LSM_HOOK_INIT(inode_init_security, selinux_inode_init_security),
+ LSM_HOOK_INIT(inode_init_security_anon, selinux_inode_init_security_anon),
LSM_HOOK_INIT(inode_create, selinux_inode_create),
LSM_HOOK_INIT(inode_link, selinux_inode_link),
LSM_HOOK_INIT(inode_unlink, selinux_inode_unlink),
@@ -7179,8 +7211,6 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(perf_event_write, selinux_perf_event_write),
#endif
- LSM_HOOK_INIT(locked_down, selinux_lockdown),
-
/*
* PUT "CLONING" (ACCESSING + ALLOCATING) HOOKS HERE
*/
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index b9fdba2..955e8c8 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -117,7 +117,8 @@ struct security_class_mapping secclass_map[] = {
{ COMMON_IPC_PERMS, NULL } },
{ "netlink_route_socket",
{ COMMON_SOCK_PERMS,
- "nlmsg_read", "nlmsg_write", NULL } },
+ "nlmsg_read", "nlmsg_write", "nlmsg_readpriv", "nlmsg_getneigh",
+ NULL } },
{ "netlink_tcpdiag_socket",
{ COMMON_SOCK_PERMS,
"nlmsg_read", "nlmsg_write", NULL } },
@@ -248,8 +249,8 @@ struct security_class_mapping secclass_map[] = {
{ COMMON_SOCK_PERMS, NULL } },
{ "perf_event",
{ "open", "cpu", "kernel", "tracepoint", "read", "write", NULL } },
- { "lockdown",
- { "integrity", "confidentiality", NULL } },
+ { "anon_inode",
+ { COMMON_FILE_PERMS, NULL } },
{ NULL }
};
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 63ca6e7..a2c0cf6 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -97,6 +97,8 @@ struct selinux_state {
bool checkreqprot;
bool initialized;
bool policycap[__POLICYDB_CAPABILITY_MAX];
+ bool android_netlink_route;
+ bool android_netlink_getneigh;
struct page *status_page;
struct mutex status_lock;
@@ -219,6 +221,20 @@ static inline bool selinux_policycap_genfs_seclabel_symlinks(void)
return READ_ONCE(state->policycap[POLICYDB_CAPABILITY_GENFS_SECLABEL_SYMLINKS]);
}
+static inline bool selinux_android_nlroute_getlink(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return state->android_netlink_route;
+}
+
+static inline bool selinux_android_nlroute_getneigh(void)
+{
+ struct selinux_state *state = &selinux_state;
+
+ return state->android_netlink_getneigh;
+}
+
struct selinux_policy_convert_data;
struct selinux_load_state {
@@ -452,5 +468,6 @@ extern void avtab_cache_init(void);
extern void ebitmap_cache_init(void);
extern void hashtab_cache_init(void);
extern int security_sidtab_hash_stats(struct selinux_state *state, char *page);
+extern void selinux_nlmsg_init(void);
#endif /* _SELINUX_SECURITY_H_ */
diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c
index b692319..9ad6f9b 100644
--- a/security/selinux/nlmsgtab.c
+++ b/security/selinux/nlmsgtab.c
@@ -25,7 +25,7 @@ struct nlmsg_perm {
u32 perm;
};
-static const struct nlmsg_perm nlmsg_route_perms[] =
+static struct nlmsg_perm nlmsg_route_perms[] =
{
{ RTM_NEWLINK, NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
{ RTM_DELLINK, NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
@@ -211,3 +211,43 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm)
return err;
}
+
+static void nlmsg_set_perm_for_type(u32 perm, u16 type)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(nlmsg_route_perms); i++) {
+ if (nlmsg_route_perms[i].nlmsg_type == type) {
+ nlmsg_route_perms[i].perm = perm;
+ break;
+ }
+ }
+}
+
+/**
+ * Use nlmsg_readpriv as the permission for RTM_GETLINK messages if the
+ * netlink_route_getlink policy capability is set. Otherwise use nlmsg_read.
+ * Similarly, use nlmsg_getneigh for RTM_GETNEIGH and RTM_GETNEIGHTBL if the
+ * netlink_route_getneigh policy capability is set. Otherwise use nlmsg_read.
+ */
+void selinux_nlmsg_init(void)
+{
+ if (selinux_android_nlroute_getlink())
+ nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READPRIV,
+ RTM_GETLINK);
+ else
+ nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READ,
+ RTM_GETLINK);
+
+ if (selinux_android_nlroute_getneigh()) {
+ nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_GETNEIGH,
+ RTM_GETNEIGH);
+ nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_GETNEIGH,
+ RTM_GETNEIGHTBL);
+ } else {
+ nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READ,
+ RTM_GETNEIGH);
+ nlmsg_set_perm_for_type(NETLINK_ROUTE_SOCKET__NLMSG_READ,
+ RTM_GETNEIGHTBL);
+ }
+}
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 6a04de2..ef30a84 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -2491,6 +2491,14 @@ int policydb_read(struct policydb *p, void *fp)
p->reject_unknown = !!(le32_to_cpu(buf[1]) & REJECT_UNKNOWN);
p->allow_unknown = !!(le32_to_cpu(buf[1]) & ALLOW_UNKNOWN);
+ if ((le32_to_cpu(buf[1]) & POLICYDB_CONFIG_ANDROID_NETLINK_ROUTE)) {
+ p->android_netlink_route = 1;
+ }
+
+ if ((le32_to_cpu(buf[1]) & POLICYDB_CONFIG_ANDROID_NETLINK_GETNEIGH)) {
+ p->android_netlink_getneigh = 1;
+ }
+
if (p->policyvers >= POLICYDB_VERSION_POLCAP) {
rc = ebitmap_read(&p->policycaps, fp);
if (rc)
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h
index c24d4e1..be9988e 100644
--- a/security/selinux/ss/policydb.h
+++ b/security/selinux/ss/policydb.h
@@ -238,6 +238,8 @@ struct genfs {
/* The policy database */
struct policydb {
int mls_enabled;
+ int android_netlink_route;
+ int android_netlink_getneigh;
/* symbol tables */
struct symtab symtab[SYM_NUM];
@@ -334,6 +336,8 @@ extern struct role_trans_datum *policydb_roletr_search(
struct policydb *p, struct role_trans_key *key);
#define POLICYDB_CONFIG_MLS 1
+#define POLICYDB_CONFIG_ANDROID_NETLINK_ROUTE (1 << 31)
+#define POLICYDB_CONFIG_ANDROID_NETLINK_GETNEIGH (1 << 30)
/* the config flags related to unknown classes/perms are bits 2 and 3 */
#define REJECT_UNKNOWN 0x00000002
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 31d631f..5df46e2 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -66,6 +66,8 @@
#include "audit.h"
#include "policycap_names.h"
+#include <trace/hooks/selinux.h>
+
struct convert_context_args {
struct selinux_state *state;
struct policydb *oldp;
@@ -2158,6 +2160,10 @@ static void security_load_policycaps(struct selinux_state *state,
pr_info("SELinux: unknown policy capability %u\n",
i);
}
+
+ state->android_netlink_route = p->android_netlink_route;
+ state->android_netlink_getneigh = p->android_netlink_getneigh;
+ selinux_nlmsg_init();
}
static int security_preserve_bools(struct selinux_policy *oldpolicy,
@@ -2250,6 +2256,7 @@ void selinux_policy_commit(struct selinux_state *state,
*/
selinux_mark_initialized(state);
selinux_complete_init();
+ trace_android_vh_selinux_is_initialized(state);
}
/* Free the old policy */
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 5c90b9f..fe8d33b2 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -289,7 +289,8 @@ static struct smack_known *smk_fetch(const char *name, struct inode *ip,
if (buffer == NULL)
return ERR_PTR(-ENOMEM);
- rc = __vfs_getxattr(dp, ip, name, buffer, SMK_LONGLABEL);
+ rc = __vfs_getxattr(dp, ip, name, buffer, SMK_LONGLABEL,
+ XATTR_NOSECURITY);
if (rc < 0)
skp = ERR_PTR(rc);
else if (rc == 0)
@@ -3432,7 +3433,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode)
} else {
rc = __vfs_getxattr(dp, inode,
XATTR_NAME_SMACKTRANSMUTE, trattr,
- TRANS_TRUE_SIZE);
+ TRANS_TRUE_SIZE, XATTR_NOSECURITY);
if (rc >= 0 && strncmp(trattr, TRANS_TRUE,
TRANS_TRUE_SIZE) != 0)
rc = -EINVAL;
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index a0996c4..b326a5f 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -1055,7 +1055,7 @@ static int aaci_probe(struct amba_device *dev,
return ret;
}
-static int aaci_remove(struct amba_device *dev)
+static void aaci_remove(struct amba_device *dev)
{
struct snd_card *card = amba_get_drvdata(dev);
@@ -1066,8 +1066,6 @@ static int aaci_remove(struct amba_device *dev)
snd_card_free(card);
amba_release_regions(dev);
}
-
- return 0;
}
static struct amba_id aaci_ids[] = {
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index c1fec93..f43a1dc 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -33,6 +33,10 @@
#include <sound/compress_offload.h>
#include <sound/compress_driver.h>
+#ifndef __GENKSYMS__
+#include <trace/hooks/snd_compr.h>
+#endif
+
/* struct snd_compr_codec_caps overflows the ioctl bit size for some
* architectures, so we need to disable the relevant ioctls.
*/
@@ -708,6 +712,20 @@ snd_compr_tstamp(struct snd_compr_stream *stream, unsigned long arg)
static int snd_compr_pause(struct snd_compr_stream *stream)
{
int retval;
+ bool use_pause_in_drain = false;
+ bool leave_draining_state = false;
+
+ trace_android_vh_snd_compr_use_pause_in_drain(&use_pause_in_drain,
+ &leave_draining_state);
+
+ if (use_pause_in_drain && stream->runtime->state == SNDRV_PCM_STATE_DRAINING) {
+ retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_PUSH);
+ if (!retval && leave_draining_state) {
+ stream->runtime->state = SNDRV_PCM_STATE_PAUSED;
+ wake_up(&stream->runtime->sleep);
+ }
+ return retval;
+ }
if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)
return -EPERM;
@@ -720,6 +738,14 @@ static int snd_compr_pause(struct snd_compr_stream *stream)
static int snd_compr_resume(struct snd_compr_stream *stream)
{
int retval;
+ bool use_pause_in_drain = false;
+ bool leave_draining_state = false;
+
+ trace_android_vh_snd_compr_use_pause_in_drain(&use_pause_in_drain,
+ &leave_draining_state);
+
+ if (use_pause_in_drain && stream->runtime->state == SNDRV_PCM_STATE_DRAINING)
+ return stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_RELEASE);
if (stream->runtime->state != SNDRV_PCM_STATE_PAUSED)
return -EPERM;
diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 4d0e8fe5..1fc2fa0 100644
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -125,6 +125,8 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
}
slave_config->slave_id = dma_data->slave_id;
+ slave_config->peripheral_config = dma_data->peripheral_config;
+ slave_config->peripheral_size = dma_data->peripheral_size;
}
EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_set_config_from_dai_data);
diff --git a/sound/soc/hisilicon/Kconfig b/sound/soc/hisilicon/Kconfig
index df8fbd8..93f0f28 100644
--- a/sound/soc/hisilicon/Kconfig
+++ b/sound/soc/hisilicon/Kconfig
@@ -1,6 +1,12 @@
# SPDX-License-Identifier: GPL-2.0-only
config SND_I2S_HI6210_I2S
- tristate "Hisilicon I2S controller"
+ tristate "Hisilicon Hi6210 I2S controller"
+ select SND_SOC_GENERIC_DMAENGINE_PCM
+ help
+ Hisilicon I2S
+
+config SND_I2S_HI3660_I2S
+ tristate "Hisilicon 960 I2S controller"
select SND_SOC_GENERIC_DMAENGINE_PCM
help
Hisilicon I2S
diff --git a/sound/soc/hisilicon/Makefile b/sound/soc/hisilicon/Makefile
index 02e7663..7ca808c 100644
--- a/sound/soc/hisilicon/Makefile
+++ b/sound/soc/hisilicon/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_SND_I2S_HI6210_I2S) += hi6210-i2s.o
+obj-$(CONFIG_SND_I2S_HI3660_I2S) += hi3660-i2s.o
diff --git a/sound/soc/hisilicon/hi3660-i2s.c b/sound/soc/hisilicon/hi3660-i2s.c
new file mode 100644
index 0000000..b894007
--- /dev/null
+++ b/sound/soc/hisilicon/hi3660-i2s.c
@@ -0,0 +1,448 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * linux/sound/soc/hisilicon/hi3660-i2s.c
+ *
+ * I2S IP driver for hi3660.
+ *
+ * Copyright (c) 2001-2021, Huawei Tech. Co., Ltd.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/jiffies.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/dmaengine_pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <linux/interrupt.h>
+#include <linux/reset.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/reset-controller.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include "hi3660-i2s.h"
+
+struct hi3660_i2s {
+ struct device *dev;
+ struct reset_control *rc;
+ int clocks;
+ struct regulator *regu_asp;
+ struct pinctrl *pctrl;
+ struct pinctrl_state *pin_default;
+ struct pinctrl_state *pin_idle;
+ struct clk *asp_subsys_clk;
+ struct snd_soc_dai_driver dai;
+ void __iomem *base;
+ void __iomem *base_syscon;
+ phys_addr_t base_phys;
+ struct snd_dmaengine_dai_dma_data dma_data[2];
+ spinlock_t lock;
+ int rate;
+ int format;
+ int bits;
+ int channels;
+ u32 master;
+ u32 status;
+};
+
+static void update_bits(struct hi3660_i2s *i2s, u32 ofs, u32 reset, u32 set)
+{
+ u32 val = readl(i2s->base + ofs) & ~reset;
+
+ writel(val | set, i2s->base + ofs);
+}
+
+static void update_bits_syscon(struct hi3660_i2s *i2s,
+ u32 ofs, u32 reset, u32 set)
+{
+ u32 val = readl(i2s->base_syscon + ofs) & ~reset;
+
+ writel(val | set, i2s->base_syscon + ofs);
+}
+
+static int enable_format(struct hi3660_i2s *i2s,
+ struct snd_pcm_substream *substream)
+{
+ switch (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ i2s->master = false;
+ update_bits_syscon(i2s, HI_ASP_CFG_R_CLK_SEL_REG,
+ 0, HI_ASP_CFG_R_CLK_SEL_EN);
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ i2s->master = true;
+ update_bits_syscon(i2s, HI_ASP_CFG_R_CLK_SEL_REG,
+ HI_ASP_CFG_R_CLK_SEL_EN, 0);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ /* deassert reset on sio_bt*/
+ update_bits_syscon(i2s, HI_ASP_CFG_R_RST_CTRLDIS_REG,
+ 0, BIT(2)|BIT(6)|BIT(8)|BIT(16));
+
+ /* enable clk before frequency division */
+ update_bits_syscon(i2s, HI_ASP_CFG_R_GATE_EN_REG,
+ 0, BIT(5)|BIT(6));
+
+ /* enable frequency division */
+ update_bits_syscon(i2s, HI_ASP_CFG_R_GATE_CLKDIV_EN_REG,
+ 0, BIT(2)|BIT(5));
+
+ /* select clk */
+ update_bits_syscon(i2s, HI_ASP_CFG_R_CLK_SEL_REG,
+ HI_ASP_MASK, HI_ASP_CFG_R_CLK_SEL);
+
+ /* select clk_div */
+ update_bits_syscon(i2s, HI_ASP_CFG_R_CLK1_DIV_REG,
+ HI_ASP_MASK, HI_ASP_CFG_R_CLK1_DIV_SEL);
+ update_bits_syscon(i2s, HI_ASP_CFG_R_CLK4_DIV_REG,
+ HI_ASP_MASK, HI_ASP_CFG_R_CLK4_DIV_SEL);
+ update_bits_syscon(i2s, HI_ASP_CFG_R_CLK6_DIV_REG,
+ HI_ASP_MASK, HI_ASP_CFG_R_CLK6_DIV_SEL);
+
+ /* sio config */
+ update_bits(i2s, HI_ASP_SIO_MODE_REG, HI_ASP_MASK, 0x0);
+ update_bits(i2s, HI_ASP_SIO_DATA_WIDTH_SET_REG, HI_ASP_MASK, 0x9);
+ update_bits(i2s, HI_ASP_SIO_I2S_POS_MERGE_EN_REG, HI_ASP_MASK, 0x1);
+ update_bits(i2s, HI_ASP_SIO_I2S_START_POS_REG, HI_ASP_MASK, 0x0);
+
+ return 0;
+}
+
+static void shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ if (!IS_ERR_OR_NULL(i2s->asp_subsys_clk))
+ clk_disable_unprepare(i2s->asp_subsys_clk);
+}
+
+static void txctrl(struct snd_soc_dai *cpu_dai, int on)
+{
+ struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ spin_lock(&i2s->lock);
+
+ if (on) {
+ /* enable SIO TX */
+ update_bits(i2s, HI_ASP_SIO_CT_SET_REG, 0,
+ HI_ASP_SIO_TX_ENABLE |
+ HI_ASP_SIO_TX_DATA_MERGE |
+ HI_ASP_SIO_TX_FIFO_THRESHOLD |
+ HI_ASP_SIO_RX_ENABLE |
+ HI_ASP_SIO_RX_DATA_MERGE |
+ HI_ASP_SIO_RX_FIFO_THRESHOLD);
+ } else {
+ /* disable SIO TX */
+ update_bits(i2s, HI_ASP_SIO_CT_CLR_REG, 0,
+ HI_ASP_SIO_TX_ENABLE | HI_ASP_SIO_RX_ENABLE);
+ }
+ spin_unlock(&i2s->lock);
+}
+
+static void rxctrl(struct snd_soc_dai *cpu_dai, int on)
+{
+ struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ spin_lock(&i2s->lock);
+ if (on)
+ /* enable SIO RX */
+ update_bits(i2s, HI_ASP_SIO_CT_SET_REG, 0,
+ HI_ASP_SIO_TX_ENABLE |
+ HI_ASP_SIO_TX_DATA_MERGE |
+ HI_ASP_SIO_TX_FIFO_THRESHOLD |
+ HI_ASP_SIO_RX_ENABLE |
+ HI_ASP_SIO_RX_DATA_MERGE |
+ HI_ASP_SIO_RX_FIFO_THRESHOLD);
+ else
+ /* disable SIO RX */
+ update_bits(i2s, HI_ASP_SIO_CT_CLR_REG, 0,
+ HI_ASP_SIO_TX_ENABLE | HI_ASP_SIO_RX_ENABLE);
+ spin_unlock(&i2s->lock);
+}
+
+static int set_sysclk(struct snd_soc_dai *cpu_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ return 0;
+}
+
+static int set_format(struct snd_soc_dai *cpu_dai, unsigned int fmt)
+{
+ struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+
+ i2s->format = fmt;
+ i2s->master = (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) ==
+ SND_SOC_DAIFMT_CBS_CFS;
+
+ return 0;
+}
+
+static int hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct hi3660_i2s *i2s = dev_get_drvdata(cpu_dai->dev);
+ struct snd_dmaengine_dai_dma_data *dma_data;
+
+ dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream);
+
+ enable_format(i2s, substream);
+
+ dma_data->maxburst = 4;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_data->addr = i2s->base_phys +
+ HI_ASP_SIO_I2S_DUAL_TX_CHN_REG;
+ else
+ dma_data->addr = i2s->base_phys +
+ HI_ASP_SIO_I2S_DUAL_RX_CHN_REG;
+
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_U16_LE:
+ case SNDRV_PCM_FORMAT_S16_LE:
+ i2s->bits = 16;
+ dma_data->addr_width = 4;
+ break;
+
+ case SNDRV_PCM_FORMAT_U24_LE:
+ case SNDRV_PCM_FORMAT_S24_LE:
+ i2s->bits = 32;
+ dma_data->addr_width = 4;
+ break;
+ default:
+ dev_err(cpu_dai->dev, "Bad format\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int trigger(struct snd_pcm_substream *substream, int cmd,
+ struct snd_soc_dai *cpu_dai)
+{
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ rxctrl(cpu_dai, 1);
+ else
+ txctrl(cpu_dai, 1);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ rxctrl(cpu_dai, 0);
+ else
+ txctrl(cpu_dai, 0);
+ break;
+ default:
+ dev_err(cpu_dai->dev, "unknown cmd\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int dai_probe(struct snd_soc_dai *dai)
+{
+ struct hi3660_i2s *i2s = snd_soc_dai_get_drvdata(dai);
+
+ snd_soc_dai_init_dma_data(dai,
+ &i2s->dma_data[SNDRV_PCM_STREAM_PLAYBACK],
+ &i2s->dma_data[SNDRV_PCM_STREAM_CAPTURE]);
+
+ return 0;
+}
+
+
+static struct snd_soc_dai_ops dai_ops = {
+ .trigger = trigger,
+ .hw_params = hw_params,
+ .set_fmt = set_format,
+ .set_sysclk = set_sysclk,
+ .startup = startup,
+ .shutdown = shutdown,
+};
+
+static struct snd_soc_dai_driver dai_init = {
+ .name = "hi3660_i2s",
+ .probe = dai_probe,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_U16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ },
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_U16_LE,
+ .rates = SNDRV_PCM_RATE_48000,
+ },
+ .ops = &dai_ops,
+};
+
+static const struct snd_soc_component_driver component_driver = {
+ .name = "hi3660_i2s",
+};
+
+#include <sound/dmaengine_pcm.h>
+
+static const struct snd_pcm_hardware sound_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_HALF_DUPLEX,
+ .period_bytes_min = 4096,
+ .period_bytes_max = 4096,
+ .periods_min = 4,
+ .periods_max = UINT_MAX,
+ .buffer_bytes_max = SIZE_MAX,
+};
+
+static const struct snd_dmaengine_pcm_config dmaengine_pcm_config = {
+ .pcm_hardware = &sound_hardware,
+ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
+ .prealloc_buffer_size = 64 * 1024,
+};
+
+static int hi3660_i2s_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct hi3660_i2s *i2s;
+ struct resource *res;
+ int ret;
+
+ i2s = devm_kzalloc(dev, sizeof(*i2s), GFP_KERNEL);
+ if (!i2s)
+ return -ENOMEM;
+
+ i2s->dev = dev;
+ spin_lock_init(&i2s->lock);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ ret = -ENODEV;
+ return ret;
+ }
+ i2s->base_phys = (phys_addr_t)res->start;
+
+ i2s->dai = dai_init;
+ dev_set_drvdata(&pdev->dev, i2s);
+
+ i2s->base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(i2s->base)) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = PTR_ERR(i2s->base);
+ return ret;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!res) {
+ ret = -ENODEV;
+ return ret;
+ }
+ i2s->base_syscon = devm_ioremap(dev, res->start, resource_size(res));
+ if (IS_ERR(i2s->base_syscon)) {
+ dev_err(&pdev->dev, "ioremap failed\n");
+ ret = PTR_ERR(i2s->base_syscon);
+ return ret;
+ }
+
+ /* i2s iomux config */
+ i2s->pctrl = devm_pinctrl_get(dev);
+ if (IS_ERR(i2s->pctrl)) {
+ dev_err(dev, "could not get pinctrl\n");
+ ret = -EIO;
+ return ret;
+ }
+
+ i2s->pin_default = pinctrl_lookup_state(i2s->pctrl,
+ PINCTRL_STATE_DEFAULT);
+ if (IS_ERR(i2s->pin_default)) {
+ dev_err(dev,
+ "could not get default state (%li)\n",
+ PTR_ERR(i2s->pin_default));
+ ret = -EIO;
+ return ret;
+ }
+
+ if (pinctrl_select_state(i2s->pctrl, i2s->pin_default)) {
+ dev_err(dev, "could not set pins to default state\n");
+ ret = -EIO;
+ return ret;
+ }
+
+ ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
+ &dmaengine_pcm_config, 0);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_register_component(&pdev->dev, &component_driver,
+ &i2s->dai, 1);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register dai\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int hi3660_i2s_remove(struct platform_device *pdev)
+{
+ struct hi3660_i2s *i2s = dev_get_drvdata(&pdev->dev);
+
+ snd_soc_unregister_component(&pdev->dev);
+ dev_set_drvdata(&pdev->dev, NULL);
+
+ pinctrl_put(i2s->pctrl);
+
+ return 0;
+}
+
+static const struct of_device_id dt_ids[] = {
+ { .compatible = "hisilicon,hi3660-i2s-1.0" },
+ { /* sentinel */ }
+};
+
+MODULE_DEVICE_TABLE(of, dt_ids);
+
+static struct platform_driver local_platform_driver = {
+ .probe = hi3660_i2s_probe,
+ .remove = hi3660_i2s_remove,
+ .driver = {
+ .name = "hi3660_i2s",
+ .owner = THIS_MODULE,
+ .of_match_table = dt_ids,
+ },
+};
+
+module_platform_driver(local_platform_driver);
+
+MODULE_DESCRIPTION("Hisilicon I2S driver");
+MODULE_AUTHOR("Guangke Ji <j00209069@notesmail.huawei.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/hisilicon/hi3660-i2s.h b/sound/soc/hisilicon/hi3660-i2s.h
new file mode 100644
index 0000000..1874855
--- /dev/null
+++ b/sound/soc/hisilicon/hi3660-i2s.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0+
+ *
+ * linux/sound/soc/hisilicon/hi3660-i2s.c
+ *
+ * I2S IP driver for hi3660.
+ *
+ * Copyright (c) 2001-2021, Huawei Tech. Co., Ltd.
+ *
+ */
+
+#ifndef _HI3660_I2S_H
+#define _HI3660_I2S_H
+
+enum hisi_bits {
+ HII2S_BITS_16,
+ HII2S_BITS_18,
+ HII2S_BITS_20,
+ HII2S_BITS_24,
+};
+
+enum hisi_i2s_rates {
+ HII2S_FS_RATE_8KHZ = 0,
+ HII2S_FS_RATE_16KHZ = 1,
+ HII2S_FS_RATE_32KHZ = 2,
+ HII2S_FS_RATE_48KHZ = 4,
+ HII2S_FS_RATE_96KHZ = 5,
+ HII2S_FS_RATE_192KHZ = 6,
+};
+
+#define HI_ASP_CFG_R_RST_CTRLEN_REG 0x0
+#define HI_ASP_CFG_R_RST_CTRLDIS_REG 0x4
+#define HI_ASP_CFG_R_GATE_EN_REG 0xC
+#define HI_ASP_CFG_R_GATE_DIS_REG 0x10
+#define HI_ASP_CFG_R_GATE_CLKEN_REG 0x14
+#define HI_ASP_CFG_R_GATE_CLKSTAT_REG 0x18
+#define HI_ASP_CFG_R_GATE_CLKDIV_EN_REG 0x1C
+#define HI_ASP_CFG_R_CLK1_DIV_REG 0x20
+#define HI_ASP_CFG_R_CLK2_DIV_REG 0x24
+#define HI_ASP_CFG_R_CLK3_DIV_REG 0x28
+#define HI_ASP_CFG_R_CLK4_DIV_REG 0x2C
+#define HI_ASP_CFG_R_CLK5_DIV_REG 0x30
+#define HI_ASP_CFG_R_CLK6_DIV_REG 0x34
+#define HI_ASP_CFG_R_CLK_SEL_REG 0x38
+#define HI_ASP_CFG_R_SEC_REG 0x100
+
+
+#define HI_ASP_SIO_VERSION_REG (0x3C)
+#define HI_ASP_SIO_MODE_REG (0x40)
+#define HI_ASP_SIO_INTSTATUS_REG (0x44)
+#define HI_ASP_SIO_INTCLR_REG (0x48)
+#define HI_ASP_SIO_I2S_LEFT_XD_REG (0x4C)
+#define HI_ASP_SIO_I2S_RIGHT_XD_REG (0x50)
+#define HI_ASP_SIO_I2S_LEFT_RD_REG (0x54)
+#define HI_ASP_SIO_I2S_RIGHT_RD_REG (0x58)
+#define HI_ASP_SIO_CT_SET_REG (0x5C)
+#define HI_ASP_SIO_CT_CLR_REG (0x60)
+#define HI_ASP_SIO_RX_STA_REG (0x68)
+#define HI_ASP_SIO_TX_STA_REG (0x6C)
+#define HI_ASP_SIO_DATA_WIDTH_SET_REG (0x78)
+#define HI_ASP_SIO_I2S_START_POS_REG (0x7C)
+#define HI_ASP_SIO_I2S_POS_FLAG_REG (0x80)
+#define HI_ASP_SIO_SIGNED_EXT_REG (0x84)
+#define HI_ASP_SIO_I2S_POS_MERGE_EN_REG (0x88)
+#define HI_ASP_SIO_INTMASK_REG (0x8C)
+#define HI_ASP_SIO_I2S_DUAL_RX_CHN_REG (0xA0)
+#define HI_ASP_SIO_I2S_DUAL_TX_CHN_REG (0xC0)
+
+
+#define HI_ASP_CFG_R_CLK_SEL_EN BIT(2)
+#define HI_ASP_CFG_R_CLK_SEL 0x140010
+#define HI_ASP_CFG_R_CLK1_DIV_SEL 0xbcdc9a
+#define HI_ASP_CFG_R_CLK4_DIV_SEL 0x00ff000f
+#define HI_ASP_CFG_R_CLK6_DIV_SEL 0x00ff003f
+#define HI_ASP_CFG_SIO_MODE 0
+#define HI_ASP_SIO_MODE_SEL_EN BIT(0)
+#define HI_ASP_MASK 0xffffffff
+
+#define HI_ASP_SIO_RX_ENABLE BIT(13)
+#define HI_ASP_SIO_TX_ENABLE BIT(12)
+#define HI_ASP_SIO_RX_FIFO_DISABLE BIT(11)
+#define HI_ASP_SIO_TX_FIFO_DISABLE BIT(10)
+#define HI_ASP_SIO_RX_DATA_MERGE BIT(9)
+#define HI_ASP_SIO_TX_DATA_MERGE BIT(8)
+#define HI_ASP_SIO_RX_FIFO_THRESHOLD (0x5 << 4)
+#define HI_ASP_SIO_TX_FIFO_THRESHOLD (0xB << 0)
+#define HI_ASP_SIO_RX_FIFO_THRESHOLD_CLR (0xF << 4)
+#define HI_ASP_SIO_TX_FIFO_THRESHOLD_CLR (0xF << 0)
+#define HI_ASP_SIO_BURST (0x4)
+
+
+enum hisi_i2s_formats {
+ HII2S_FORMAT_I2S,
+ HII2S_FORMAT_PCM_STD,
+ HII2S_FORMAT_PCM_USER,
+ HII2S_FORMAT_LEFT_JUST,
+ HII2S_FORMAT_RIGHT_JUST,
+};
+
+#endif/* _HI3660_I2S_H */
diff --git a/sound/soc/soc-component.c b/sound/soc/soc-component.c
index 4295c05..c5eab59 100644
--- a/sound/soc/soc-component.c
+++ b/sound/soc/soc-component.c
@@ -865,3 +865,17 @@ void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
soc_component_mark_pop(component, stream, pm);
}
}
+
+int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct snd_soc_component *component;
+ int i;
+
+ /* FIXME: use 1st pointer */
+ for_each_rtd_components(rtd, i, component)
+ if (component->driver->ack)
+ return component->driver->ack(component, substream);
+
+ return 0;
+}
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1332965..19f6ff0 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3009,6 +3009,39 @@ int snd_soc_get_dai_id(struct device_node *ep)
}
EXPORT_SYMBOL_GPL(snd_soc_get_dai_id);
+/**
+ * snd_soc_info_multi_ext - external single mixer info callback
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a single external mixer control.
+ * that accepts multiple input.
+ *
+ * Returns 0 for success.
+ */
+int snd_soc_info_multi_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct soc_multi_mixer_control *mc =
+ (struct soc_multi_mixer_control *)kcontrol->private_value;
+ int platform_max;
+
+ if (!mc->platform_max)
+ mc->platform_max = mc->max;
+ platform_max = mc->platform_max;
+
+ if (platform_max == 1 && !strnstr(kcontrol->id.name, " Volume", 30))
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ else
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+
+ uinfo->count = mc->count;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = platform_max;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_info_multi_ext);
+
int snd_soc_get_dai_name(struct of_phandle_args *args,
const char **dai_name)
{
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 8b8a9ac..f7aff87 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -26,6 +26,7 @@
#include <sound/soc-dpcm.h>
#include <sound/soc-link.h>
#include <sound/initval.h>
+#include <trace/hooks/sound.h>
#define DPCM_MAX_BE_USERS 8
@@ -1275,6 +1276,7 @@ int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
{
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(fe, 0);
int paths;
+ bool chaining = false;
if (fe->num_cpus > 1) {
dev_err(fe->dev,
@@ -1282,9 +1284,11 @@ int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
return -EINVAL;
}
+ trace_android_vh_snd_soc_card_get_comp_chain(&chaining);
+
/* get number of valid DAI paths and their widgets */
paths = snd_soc_dapm_dai_get_connected_widgets(cpu_dai, stream, list,
- dpcm_end_walk_at_be);
+ chaining ? NULL : dpcm_end_walk_at_be);
dev_dbg(fe->dev, "ASoC: found %d audio %s paths\n", paths,
stream ? "capture" : "playback");
@@ -2857,6 +2861,8 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
rtd->ops.page = snd_soc_pcm_component_page;
if (drv->mmap)
rtd->ops.mmap = snd_soc_pcm_component_mmap;
+ if (drv->ack)
+ rtd->ops.ack = snd_soc_pcm_component_ack;
}
if (playback)
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 45fc217..1b601c9 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -112,6 +112,185 @@ static DEFINE_MUTEX(register_mutex);
static struct snd_usb_audio *usb_chip[SNDRV_CARDS];
static struct usb_driver usb_audio_driver;
+static struct snd_usb_audio_vendor_ops *usb_vendor_ops;
+
+int snd_vendor_set_ops(struct snd_usb_audio_vendor_ops *ops)
+{
+ if ((!ops->connect) ||
+ (!ops->disconnect) ||
+ (!ops->set_interface) ||
+ (!ops->set_rate) ||
+ (!ops->set_pcm_buf) ||
+ (!ops->set_pcm_intf) ||
+ (!ops->set_pcm_connection) ||
+ (!ops->set_pcm_binterval) ||
+ (!ops->usb_add_ctls))
+ return -EINVAL;
+
+ usb_vendor_ops = ops;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_vendor_set_ops);
+
+struct snd_usb_audio_vendor_ops *snd_vendor_get_ops(void)
+{
+ return usb_vendor_ops;
+}
+
+static int snd_vendor_connect(struct usb_interface *intf)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ return ops->connect(intf);
+ return 0;
+}
+
+static void snd_vendor_disconnect(struct usb_interface *intf)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ ops->disconnect(intf);
+}
+
+int snd_vendor_set_interface(struct usb_device *udev,
+ struct usb_host_interface *intf,
+ int iface, int alt)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ return ops->set_interface(udev, intf, iface, alt);
+ return 0;
+}
+
+int snd_vendor_set_rate(struct usb_interface *intf, int iface, int rate,
+ int alt)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ return ops->set_rate(intf, iface, rate, alt);
+ return 0;
+}
+
+int snd_vendor_set_pcm_buf(struct usb_device *udev, int iface)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ ops->set_pcm_buf(udev, iface);
+ return 0;
+}
+
+int snd_vendor_set_pcm_intf(struct usb_interface *intf, int iface, int alt,
+ int direction)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ return ops->set_pcm_intf(intf, iface, alt, direction);
+ return 0;
+}
+
+int snd_vendor_set_pcm_connection(struct usb_device *udev,
+ enum snd_vendor_pcm_open_close onoff,
+ int direction)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ return ops->set_pcm_connection(udev, onoff, direction);
+ return 0;
+}
+
+int snd_vendor_set_pcm_binterval(struct audioformat *fp,
+ struct audioformat *found,
+ int *cur_attr, int *attr)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ return ops->set_pcm_binterval(fp, found, cur_attr, attr);
+ return 0;
+}
+
+static int snd_vendor_usb_add_ctls(struct snd_usb_audio *chip)
+{
+ struct snd_usb_audio_vendor_ops *ops = snd_vendor_get_ops();
+
+ if (ops)
+ return ops->usb_add_ctls(chip);
+ return 0;
+}
+
+struct snd_usb_substream *find_snd_usb_substream(unsigned int card_num,
+ unsigned int pcm_idx, unsigned int direction, struct snd_usb_audio
+ **uchip, void (*disconnect_cb)(struct snd_usb_audio *chip))
+{
+ int idx;
+ struct snd_usb_stream *as;
+ struct snd_usb_substream *subs = NULL;
+ struct snd_usb_audio *chip = NULL;
+
+ mutex_lock(®ister_mutex);
+ /*
+ * legacy audio snd card number assignment is dynamic. Hence
+ * search using chip->card->number
+ */
+ for (idx = 0; idx < SNDRV_CARDS; idx++) {
+ if (!usb_chip[idx])
+ continue;
+ if (usb_chip[idx]->card->number == card_num) {
+ chip = usb_chip[idx];
+ break;
+ }
+ }
+
+ if (!chip || atomic_read(&chip->shutdown)) {
+ pr_debug("%s: instance of usb crad # %d does not exist\n",
+ __func__, card_num);
+ goto err;
+ }
+
+ if (pcm_idx >= chip->pcm_devs) {
+ pr_err("%s: invalid pcm dev number %u > %d\n", __func__,
+ pcm_idx, chip->pcm_devs);
+ goto err;
+ }
+
+ if (direction > SNDRV_PCM_STREAM_CAPTURE) {
+ pr_err("%s: invalid direction %u\n", __func__, direction);
+ goto err;
+ }
+
+ list_for_each_entry(as, &chip->pcm_list, list) {
+ if (as->pcm_index == pcm_idx) {
+ subs = &as->substream[direction];
+ if (subs->interface < 0 && !subs->data_endpoint &&
+ !subs->sync_endpoint) {
+ pr_debug("%s: stream disconnected, bail out\n",
+ __func__);
+ subs = NULL;
+ goto err;
+ }
+ goto done;
+ }
+ }
+
+done:
+ chip->card_num = card_num;
+ chip->disconnect_cb = disconnect_cb;
+err:
+ *uchip = chip;
+ if (!subs)
+ pr_debug("%s: substream instance not found\n", __func__);
+ mutex_unlock(®ister_mutex);
+ return subs;
+}
+EXPORT_SYMBOL_GPL(find_snd_usb_substream);
+
/*
* disconnect streams
* called from usb_audio_disconnect()
@@ -454,6 +633,7 @@ static void snd_usb_audio_free(struct snd_card *card)
list_for_each_entry_safe(ep, n, &chip->ep_list, list)
snd_usb_endpoint_free(ep);
+ mutex_destroy(&chip->dev_lock);
mutex_destroy(&chip->mutex);
if (!atomic_read(&chip->shutdown))
dev_set_drvdata(&chip->dev->dev, NULL);
@@ -596,6 +776,7 @@ static int snd_usb_audio_create(struct usb_interface *intf,
chip = card->private_data;
mutex_init(&chip->mutex);
+ mutex_init(&chip->dev_lock);
init_waitqueue_head(&chip->shutdown_wait);
chip->index = idx;
chip->dev = dev;
@@ -720,6 +901,10 @@ static int usb_audio_probe(struct usb_interface *intf,
if (err < 0)
return err;
+ err = snd_vendor_connect(intf);
+ if (err)
+ return err;
+
/*
* found a config. now register to ALSA
*/
@@ -781,6 +966,8 @@ static int usb_audio_probe(struct usb_interface *intf,
dev_set_drvdata(&dev->dev, chip);
+ snd_vendor_usb_add_ctls(chip);
+
/*
* For devices with more than one control interface, we assume the
* first contains the audio controls. We might need a more specific
@@ -869,6 +1056,11 @@ static void usb_audio_disconnect(struct usb_interface *intf)
card = chip->card;
+ if (chip->disconnect_cb)
+ chip->disconnect_cb(chip);
+
+ snd_vendor_disconnect(intf);
+
mutex_lock(®ister_mutex);
if (atomic_inc_return(&chip->shutdown) == 1) {
struct snd_usb_stream *as;
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 5351d71..3683f10 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -2,6 +2,8 @@
#ifndef __USBAUDIO_CARD_H
#define __USBAUDIO_CARD_H
+#include <linux/android_kabi.h>
+
#define MAX_NR_RATES 1024
#define MAX_PACKS 6 /* per URB */
#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
@@ -112,6 +114,11 @@ struct snd_usb_endpoint {
spinlock_t lock;
struct list_head list;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
struct media_ctl;
@@ -171,6 +178,8 @@ struct snd_usb_substream {
bool trigger_tstamp_pending_update; /* trigger timestamp being updated from initial estimate */
struct media_ctl *media_ctl;
+
+ ANDROID_KABI_RESERVE(1);
};
struct snd_usb_stream {
@@ -182,4 +191,25 @@ struct snd_usb_stream {
struct list_head list;
};
+struct snd_usb_substream *find_snd_usb_substream(unsigned int card_num,
+ unsigned int pcm_idx, unsigned int direction, struct snd_usb_audio
+ **uchip, void (*disconnect_cb)(struct snd_usb_audio *chip));
+
+int snd_vendor_set_ops(struct snd_usb_audio_vendor_ops *vendor_ops);
+struct snd_usb_audio_vendor_ops *snd_vendor_get_ops(void);
+int snd_vendor_set_interface(struct usb_device *udev,
+ struct usb_host_interface *alts,
+ int iface, int alt);
+int snd_vendor_set_rate(struct usb_interface *intf, int iface, int rate,
+ int alt);
+int snd_vendor_set_pcm_buf(struct usb_device *udev, int iface);
+int snd_vendor_set_pcm_intf(struct usb_interface *intf, int iface, int alt,
+ int direction);
+int snd_vendor_set_pcm_connection(struct usb_device *udev,
+ enum snd_vendor_pcm_open_close onoff,
+ int direction);
+int snd_vendor_set_pcm_binterval(struct audioformat *fp,
+ struct audioformat *found,
+ int *cur_attr, int *attr);
+
#endif /* __USBAUDIO_CARD_H */
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index 514d18a..13bebe9 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -664,8 +664,13 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, int iface,
* interface is active. */
if (rate != prev_rate) {
usb_set_interface(dev, iface, 0);
+
+ snd_vendor_set_interface(dev, alts, iface, 0);
+
snd_usb_set_interface_quirk(dev);
usb_set_interface(dev, iface, fmt->altsetting);
+
+ snd_vendor_set_interface(dev, alts, iface, fmt->altsetting);
snd_usb_set_interface_quirk(dev);
}
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f4494d0..9e93a43 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -14,6 +14,8 @@
#include <sound/pcm.h>
#include <sound/pcm_params.h>
+#include <trace/hooks/sound.h>
+
#include "usbaudio.h"
#include "card.h"
#include "quirks.h"
@@ -134,6 +136,71 @@ static struct audioformat *find_format(struct snd_usb_substream *subs)
found = fp;
cur_attr = attr;
}
+
+ snd_vendor_set_pcm_binterval(fp, found, &cur_attr, &attr);
+ }
+ return found;
+}
+
+/*
+ * find a matching audio format as well as non-zero service interval
+ */
+static struct audioformat *find_format_and_si(struct snd_usb_substream *subs,
+ unsigned int datainterval)
+{
+ unsigned int i;
+ struct audioformat *fp;
+ struct audioformat *found = NULL;
+ int cur_attr = 0, attr;
+
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ if (datainterval != fp->datainterval)
+ continue;
+ if (!(fp->formats & pcm_format_to_bits(subs->pcm_format)))
+ continue;
+ if (fp->channels != subs->channels)
+ continue;
+ if (subs->cur_rate < fp->rate_min ||
+ subs->cur_rate > fp->rate_max)
+ continue;
+ if (!(fp->rates & SNDRV_PCM_RATE_CONTINUOUS)) {
+ for (i = 0; i < fp->nr_rates; i++)
+ if (fp->rate_table[i] == subs->cur_rate)
+ break;
+ if (i >= fp->nr_rates)
+ continue;
+ }
+ attr = fp->ep_attr & USB_ENDPOINT_SYNCTYPE;
+ if (!found) {
+ found = fp;
+ cur_attr = attr;
+ continue;
+ }
+ /* avoid async out and adaptive in if the other method
+ * supports the same format.
+ * this is a workaround for the case like
+ * M-audio audiophile USB.
+ */
+ if (attr != cur_attr) {
+ if ((attr == USB_ENDPOINT_SYNC_ASYNC &&
+ subs->direction == SNDRV_PCM_STREAM_PLAYBACK) ||
+ (attr == USB_ENDPOINT_SYNC_ADAPTIVE &&
+ subs->direction == SNDRV_PCM_STREAM_CAPTURE))
+ continue;
+ if ((cur_attr == USB_ENDPOINT_SYNC_ASYNC &&
+ subs->direction == SNDRV_PCM_STREAM_PLAYBACK) ||
+ (cur_attr == USB_ENDPOINT_SYNC_ADAPTIVE &&
+ subs->direction == SNDRV_PCM_STREAM_CAPTURE)) {
+ found = fp;
+ cur_attr = attr;
+ continue;
+ }
+ }
+ /* find the format with the largest max. packet size */
+ if (fp->maxpacksize > found->maxpacksize) {
+ found = fp;
+ cur_attr = attr;
+ }
}
return found;
}
@@ -585,6 +652,10 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
}
dev_dbg(&dev->dev, "setting usb interface %d:%d\n",
fmt->iface, fmt->altsetting);
+ err = snd_vendor_set_pcm_intf(iface, fmt->iface,
+ fmt->altsetting, subs->direction);
+ if (err)
+ return err;
snd_usb_set_interface_quirk(dev);
}
@@ -612,6 +683,81 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
return 0;
}
+static int snd_usb_pcm_change_state(struct snd_usb_substream *subs, int state);
+
+int snd_usb_enable_audio_stream(struct snd_usb_substream *subs,
+ int datainterval, bool enable)
+{
+ struct audioformat *fmt;
+ struct usb_host_interface *alts;
+ struct usb_interface *iface;
+ int ret;
+
+ if (!enable) {
+ if (subs->interface >= 0) {
+ usb_set_interface(subs->dev, subs->interface, 0);
+ subs->altset_idx = 0;
+ subs->interface = -1;
+ subs->cur_audiofmt = NULL;
+ }
+
+ snd_usb_autosuspend(subs->stream->chip);
+ return 0;
+ }
+
+ snd_usb_autoresume(subs->stream->chip);
+
+ ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D0);
+ if (ret < 0)
+ return ret;
+
+ if (datainterval != -EINVAL)
+ fmt = find_format_and_si(subs, datainterval);
+ else
+ fmt = find_format(subs);
+ if (!fmt) {
+ dev_err(&subs->dev->dev,
+ "cannot set format: format = %#x, rate = %d, channels = %d\n",
+ subs->pcm_format, subs->cur_rate, subs->channels);
+ return -EINVAL;
+ }
+
+ subs->altset_idx = 0;
+ subs->interface = -1;
+ if (atomic_read(&subs->stream->chip->shutdown)) {
+ ret = -ENODEV;
+ } else {
+ ret = set_format(subs, fmt);
+ if (ret < 0)
+ return ret;
+
+ iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface);
+ if (!iface) {
+ dev_err(&subs->dev->dev, "Could not get iface %d\n",
+ subs->cur_audiofmt->iface);
+ return -ENODEV;
+ }
+
+ alts = &iface->altsetting[subs->cur_audiofmt->altset_idx];
+ ret = snd_usb_init_sample_rate(subs->stream->chip,
+ subs->cur_audiofmt->iface,
+ alts,
+ subs->cur_audiofmt,
+ subs->cur_rate);
+ if (ret < 0) {
+ dev_err(&subs->dev->dev, "failed to set rate %d\n",
+ subs->cur_rate);
+ return ret;
+ }
+ }
+
+ subs->interface = fmt->iface;
+ subs->altset_idx = fmt->altset_idx;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_usb_enable_audio_stream);
+
/*
* Return the score of matching two audioformats.
* Veto the audioformat if:
@@ -908,6 +1054,10 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
struct usb_interface *iface;
int ret;
+ ret = snd_vendor_set_pcm_buf(subs->dev, subs->cur_audiofmt->iface);
+ if (ret)
+ return ret;
+
if (! subs->cur_audiofmt) {
dev_err(&subs->dev->dev, "no format is specified!\n");
return -ENXIO;
@@ -941,6 +1091,17 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
if (ret < 0)
goto unlock;
+ if (snd_vendor_get_ops()) {
+ ret = snd_vendor_set_rate(iface,
+ subs->cur_audiofmt->iface,
+ subs->cur_rate,
+ subs->cur_audiofmt->altsetting);
+ if (!ret) {
+ subs->need_setup_ep = false;
+ goto unlock;
+ }
+ }
+
ret = configure_endpoint(subs);
if (ret < 0)
goto unlock;
@@ -1349,6 +1510,12 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_usb_substream *subs = &as->substream[direction];
int ret;
+ bool is_support = false;
+
+ ret = snd_vendor_set_pcm_connection(subs->dev, SOUND_PCM_OPEN,
+ direction);
+ if (ret)
+ return ret;
subs->interface = -1;
subs->altset_idx = 0;
@@ -1368,6 +1535,11 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream)
if (ret)
snd_usb_autosuspend(subs->stream->chip);
}
+
+ trace_android_vh_sound_usb_support_cpu_suspend(subs->dev, direction, &is_support);
+ if (!ret && is_support)
+ snd_usb_autosuspend(subs->stream->chip);
+
return ret;
}
@@ -1377,6 +1549,16 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream)
struct snd_usb_stream *as = snd_pcm_substream_chip(substream);
struct snd_usb_substream *subs = &as->substream[direction];
int ret;
+ bool is_support = false;
+
+ ret = snd_vendor_set_pcm_connection(subs->dev, SOUND_PCM_CLOSE,
+ direction);
+ if (ret)
+ return ret;
+
+ trace_android_vh_sound_usb_support_cpu_suspend(subs->dev, direction, &is_support);
+ if (!ret && is_support)
+ snd_usb_autoresume(subs->stream->chip);
snd_media_stop_pipeline(subs);
@@ -1384,6 +1566,12 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream)
subs->interface >= 0 &&
!snd_usb_lock_shutdown(subs->stream->chip)) {
usb_set_interface(subs->dev, subs->interface, 0);
+ ret = snd_vendor_set_pcm_intf(usb_ifnum_to_if(subs->dev,
+ subs->interface),
+ subs->interface, 0,
+ direction);
+ if (ret)
+ return ret;
subs->interface = -1;
ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D1);
snd_usb_unlock_shutdown(subs->stream->chip);
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index 9833627..6e28e79 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -14,5 +14,7 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,
struct audioformat *fmt);
void snd_usb_preallocate_buffer(struct snd_usb_substream *subs);
+int snd_usb_enable_audio_stream(struct snd_usb_substream *subs,
+ int datainterval, bool enable);
#endif /* __USBAUDIO_PCM_H */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 2f6d39c..bf88933 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -67,9 +67,13 @@ static void snd_usb_audio_stream_free(struct snd_usb_stream *stream)
static void snd_usb_audio_pcm_free(struct snd_pcm *pcm)
{
struct snd_usb_stream *stream = pcm->private_data;
+ struct snd_usb_audio *chip;
if (stream) {
+ mutex_lock(&stream->chip->dev_lock);
+ chip = stream->chip;
stream->pcm = NULL;
snd_usb_audio_stream_free(stream);
+ mutex_unlock(&chip->dev_lock);
}
}
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index e54a98f..6d40b46 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -12,6 +12,8 @@
#define USB_ID_VENDOR(id) ((id) >> 16)
#define USB_ID_PRODUCT(id) ((u16)(id))
+#include <linux/android_kabi.h>
+
/*
*
*/
@@ -61,6 +63,14 @@ struct snd_usb_audio {
struct usb_host_interface *ctrl_intf; /* the audio control interface */
struct media_device *media_dev;
struct media_intf_devnode *ctl_intf_media_devnode;
+ struct mutex dev_lock; /* to protect any race with disconnect */
+ int card_num; /* cache pcm card number to use upon disconnect */
+ void (*disconnect_cb)(struct snd_usb_audio *chip);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+ ANDROID_KABI_RESERVE(3);
+ ANDROID_KABI_RESERVE(4);
};
#define USB_AUDIO_IFACE_UNUSED ((void *)-1L)
@@ -129,4 +139,53 @@ void snd_usb_unlock_shutdown(struct snd_usb_audio *chip);
extern bool snd_usb_use_vmalloc;
extern bool snd_usb_skip_validation;
+struct audioformat;
+
+enum snd_vendor_pcm_open_close {
+ SOUND_PCM_CLOSE = 0,
+ SOUND_PCM_OPEN,
+};
+
+/**
+ * struct snd_usb_audio_vendor_ops - function callbacks for USB audio accelerators
+ * @connect: called when a new interface is found
+ * @disconnect: called when an interface is removed
+ * @set_interface: called when an interface is initialized
+ * @set_rate: called when the rate is set
+ * @set_pcm_buf: called when the pcm buffer is set
+ * @set_pcm_intf: called when the pcm interface is set
+ * @set_pcm_connection: called when pcm is opened/closed
+ * @set_pcm_binterval: called when the pcm binterval is set
+ * @usb_add_ctls: called when USB controls are added
+ *
+ * Set of callbacks for some accelerated USB audio streaming hardware.
+ *
+ * TODO: make this USB host-controller specific, right now this only works for
+ * one USB controller in the system at a time, which is only realistic for
+ * self-contained systems like phones.
+ */
+struct snd_usb_audio_vendor_ops {
+ int (*connect)(struct usb_interface *intf);
+ void (*disconnect)(struct usb_interface *intf);
+
+ int (*set_interface)(struct usb_device *udev,
+ struct usb_host_interface *alts,
+ int iface, int alt);
+ int (*set_rate)(struct usb_interface *intf, int iface, int rate,
+ int alt);
+ int (*set_pcm_buf)(struct usb_device *udev, int iface);
+ int (*set_pcm_intf)(struct usb_interface *intf, int iface, int alt,
+ int direction);
+ int (*set_pcm_connection)(struct usb_device *udev,
+ enum snd_vendor_pcm_open_close onoff,
+ int direction);
+ int (*set_pcm_binterval)(struct audioformat *fp,
+ struct audioformat *found,
+ int *cur_attr, int *attr);
+ int (*usb_add_ctls)(struct snd_usb_audio *chip);
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
+};
+
#endif /* __USBAUDIO_H */
diff --git a/tools/bootconfig/include/linux/bootconfig.h b/tools/bootconfig/include/linux/bootconfig.h
index 078cbd2..de7f30f 100644
--- a/tools/bootconfig/include/linux/bootconfig.h
+++ b/tools/bootconfig/include/linux/bootconfig.h
@@ -4,4 +4,8 @@
#include "../../../../include/linux/bootconfig.h"
+#ifndef fallthrough
+# define fallthrough
+#endif
+
#endif
diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 6cd6080c..5d842e8 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -27,7 +27,7 @@ static int xbc_show_value(struct xbc_node *node, bool semicolon)
q = '\'';
else
q = '"';
- printf("%c%s%c%s", q, val, q, node->next ? ", " : eol);
+ printf("%c%s%c%s", q, val, q, xbc_node_is_array(node) ? ", " : eol);
i++;
}
return i;
@@ -35,30 +35,55 @@ static int xbc_show_value(struct xbc_node *node, bool semicolon)
static void xbc_show_compact_tree(void)
{
- struct xbc_node *node, *cnode;
+ struct xbc_node *node, *cnode = NULL, *vnode;
int depth = 0, i;
node = xbc_root_node();
while (node && xbc_node_is_key(node)) {
for (i = 0; i < depth; i++)
printf("\t");
- cnode = xbc_node_get_child(node);
+ if (!cnode)
+ cnode = xbc_node_get_child(node);
while (cnode && xbc_node_is_key(cnode) && !cnode->next) {
+ vnode = xbc_node_get_child(cnode);
+ /*
+ * If @cnode has value and subkeys, this
+ * should show it as below.
+ *
+ * key(@node) {
+ * key(@cnode) = value;
+ * key(@cnode) {
+ * subkeys;
+ * }
+ * }
+ */
+ if (vnode && xbc_node_is_value(vnode) && vnode->next)
+ break;
printf("%s.", xbc_node_get_data(node));
node = cnode;
- cnode = xbc_node_get_child(node);
+ cnode = vnode;
}
if (cnode && xbc_node_is_key(cnode)) {
printf("%s {\n", xbc_node_get_data(node));
depth++;
node = cnode;
+ cnode = NULL;
continue;
} else if (cnode && xbc_node_is_value(cnode)) {
printf("%s = ", xbc_node_get_data(node));
xbc_show_value(cnode, true);
+ /*
+ * If @node has value and subkeys, continue
+ * looping on subkeys with same node.
+ */
+ if (cnode->next) {
+ cnode = xbc_node_get_next(cnode);
+ continue;
+ }
} else {
printf("%s;\n", xbc_node_get_data(node));
}
+ cnode = NULL;
if (node->next) {
node = xbc_node_get_next(node);
@@ -70,10 +95,12 @@ static void xbc_show_compact_tree(void)
return;
if (!xbc_node_get_child(node)->next)
continue;
- depth--;
- for (i = 0; i < depth; i++)
- printf("\t");
- printf("}\n");
+ if (depth) {
+ depth--;
+ for (i = 0; i < depth; i++)
+ printf("\t");
+ printf("}\n");
+ }
}
node = xbc_node_get_next(node);
}
@@ -88,8 +115,10 @@ static void xbc_show_list(void)
xbc_for_each_key_value(leaf, val) {
ret = xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX);
- if (ret < 0)
+ if (ret < 0) {
+ fprintf(stderr, "Failed to compose key %d\n", ret);
break;
+ }
printf("%s = ", key);
if (!val || val[0] == '\0') {
printf("\"\"\n");
@@ -99,17 +128,6 @@ static void xbc_show_list(void)
}
}
-/* Simple real checksum */
-static int checksum(unsigned char *buf, int len)
-{
- int i, sum = 0;
-
- for (i = 0; i < len; i++)
- sum += buf[i];
-
- return sum;
-}
-
#define PAGE_SIZE 4096
static int load_xbc_fd(int fd, char **buf, int size)
@@ -205,7 +223,7 @@ static int load_xbc_from_initrd(int fd, char **buf)
return ret;
/* Wrong Checksum */
- rcsum = checksum((unsigned char *)*buf, size);
+ rcsum = xbc_calc_checksum(*buf, size);
if (csum != rcsum) {
pr_err("checksum error: %d != %d\n", csum, rcsum);
return -EINVAL;
@@ -354,7 +372,7 @@ static int apply_xbc(const char *path, const char *xbc_path)
return ret;
}
size = strlen(buf) + 1;
- csum = checksum((unsigned char *)buf, size);
+ csum = xbc_calc_checksum(buf, size);
/* Backup the bootconfig data */
data = calloc(size + BOOTCONFIG_ALIGN +
diff --git a/tools/bootconfig/samples/bad-override.bconf b/tools/bootconfig/samples/bad-override.bconf
deleted file mode 100644
index fde6c56..0000000
--- a/tools/bootconfig/samples/bad-override.bconf
+++ /dev/null
@@ -1,3 +0,0 @@
-key.subkey = value
-# We can not override pre-defined subkeys with value
-key := value
diff --git a/tools/bootconfig/samples/bad-override2.bconf b/tools/bootconfig/samples/bad-override2.bconf
deleted file mode 100644
index 688587c..0000000
--- a/tools/bootconfig/samples/bad-override2.bconf
+++ /dev/null
@@ -1,3 +0,0 @@
-key = value
-# We can not override pre-defined value with subkey
-key.subkey := value
diff --git a/tools/bootconfig/samples/good-mixed-append.bconf b/tools/bootconfig/samples/good-mixed-append.bconf
new file mode 100644
index 0000000..b99a089
--- /dev/null
+++ b/tools/bootconfig/samples/good-mixed-append.bconf
@@ -0,0 +1,4 @@
+key = foo
+keyx.subkey = value
+key += bar
+
diff --git a/tools/bootconfig/samples/bad-mixed-kv1.bconf b/tools/bootconfig/samples/good-mixed-kv1.bconf
similarity index 100%
rename from tools/bootconfig/samples/bad-mixed-kv1.bconf
rename to tools/bootconfig/samples/good-mixed-kv1.bconf
diff --git a/tools/bootconfig/samples/bad-mixed-kv2.bconf b/tools/bootconfig/samples/good-mixed-kv2.bconf
similarity index 100%
rename from tools/bootconfig/samples/bad-mixed-kv2.bconf
rename to tools/bootconfig/samples/good-mixed-kv2.bconf
diff --git a/tools/bootconfig/samples/good-mixed-kv3.bconf b/tools/bootconfig/samples/good-mixed-kv3.bconf
new file mode 100644
index 0000000..2ce2b02
--- /dev/null
+++ b/tools/bootconfig/samples/good-mixed-kv3.bconf
@@ -0,0 +1,6 @@
+# mixed key and subkeys with braces
+key = value
+key {
+ subkey1
+ subkey2 = foo
+}
diff --git a/tools/bootconfig/samples/good-mixed-override.bconf b/tools/bootconfig/samples/good-mixed-override.bconf
new file mode 100644
index 0000000..18195b2
--- /dev/null
+++ b/tools/bootconfig/samples/good-mixed-override.bconf
@@ -0,0 +1,4 @@
+key.foo = bar
+key = value
+# mixed key value can be overridden
+key := value2
diff --git a/tools/crypto/gen_fips140_testvecs.py b/tools/crypto/gen_fips140_testvecs.py
new file mode 100755
index 0000000..825c487
--- /dev/null
+++ b/tools/crypto/gen_fips140_testvecs.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright 2021 Google LLC
+#
+# Generate most of the test vectors for the FIPS 140 cryptographic self-tests.
+#
+# Usage:
+# tools/crypto/gen_fips140_testvecs.py > crypto/fips140-generated-testvecs.h
+#
+# Prerequisites:
+# Debian: apt-get install python3-pycryptodome python3-cryptography
+# Arch Linux: pacman -S python-pycryptodomex python-cryptography
+
+import hashlib
+import hmac
+import os
+
+import Cryptodome.Cipher.AES
+import Cryptodome.Util.Counter
+
+import cryptography.hazmat.primitives.ciphers
+import cryptography.hazmat.primitives.ciphers.algorithms
+import cryptography.hazmat.primitives.ciphers.modes
+
+scriptname = os.path.basename(__file__)
+
+message = bytes('This is a 32-byte test message.\0', 'ascii')
+aes_key = bytes('128-bit AES key\0', 'ascii')
+aes_xts_key = bytes('This is an AES-128-XTS key.\0\0\0\0\0', 'ascii')
+aes_iv = bytes('ABCDEFGHIJKLMNOP', 'ascii')
+assoc = bytes('associated data string', 'ascii')
+hmac_key = bytes('128-bit HMAC key', 'ascii')
+
+def warn_generated():
+ print(f'''/*
+ * This header was automatically generated by {scriptname}.
+ * Don't edit it directly.
+ */''')
+
+def is_string_value(value):
+ return (value.isascii() and
+ all(c == '\x00' or c.isprintable() for c in str(value, 'ascii')))
+
+def format_value(value, is_string):
+ if is_string:
+ return value
+ hexstr = ''
+ for byte in value:
+ hexstr += f'\\x{byte:02x}'
+ return hexstr
+
+def print_value(name, value):
+ is_string = is_string_value(value)
+ hdr = f'static const u8 fips_{name}[{len(value)}] __initconst ='
+ print(hdr, end='')
+ if is_string:
+ value = str(value, 'ascii').rstrip('\x00')
+ chars_per_byte = 1
+ else:
+ chars_per_byte = 4
+ bytes_per_line = 64 // chars_per_byte
+
+ if len(hdr) + (chars_per_byte * len(value)) + 4 <= 80:
+ print(f' "{format_value(value, is_string)}"', end='')
+ else:
+ for chunk in [value[i:i+bytes_per_line]
+ for i in range(0, len(value), bytes_per_line)]:
+ print(f'\n\t"{format_value(chunk, is_string)}"', end='')
+ print(';')
+ print('')
+
+def generate_aes_testvecs():
+ print_value('aes_key', aes_key)
+ print_value('aes_iv', aes_iv)
+
+ cbc = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_CBC,
+ iv=aes_iv)
+ print_value('aes_cbc_ciphertext', cbc.encrypt(message))
+
+ ecb = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_ECB)
+ print_value('aes_ecb_ciphertext', ecb.encrypt(message))
+
+ ctr = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_CTR,
+ nonce=bytes(), initial_value=aes_iv)
+ print_value('aes_ctr_ciphertext', ctr.encrypt(message))
+
+ print_value('aes_gcm_assoc', assoc)
+ gcm = Cryptodome.Cipher.AES.new(aes_key, Cryptodome.Cipher.AES.MODE_GCM,
+ nonce=aes_iv[:12], mac_len=16)
+ gcm.update(assoc)
+ raw_ciphertext, tag = gcm.encrypt_and_digest(message)
+ print_value('aes_gcm_ciphertext', raw_ciphertext + tag)
+
+ # Unfortunately, pycryptodome doesn't support XTS, so for it we need to use
+ # a different Python package (the "cryptography" package).
+ print_value('aes_xts_key', aes_xts_key)
+ xts = cryptography.hazmat.primitives.ciphers.Cipher(
+ cryptography.hazmat.primitives.ciphers.algorithms.AES(aes_xts_key),
+ cryptography.hazmat.primitives.ciphers.modes.XTS(aes_iv)).encryptor()
+ ciphertext = xts.update(message) + xts.finalize()
+ print_value('aes_xts_ciphertext', ciphertext)
+
+ cmac = Cryptodome.Hash.CMAC.new(aes_key, ciphermod=Cryptodome.Cipher.AES)
+ cmac.update(message)
+ print_value('aes_cmac_digest', cmac.digest())
+
+def generate_sha_testvecs():
+ print_value('hmac_key', hmac_key)
+ for alg in ['sha1', 'sha256', 'hmac_sha256', 'sha512']:
+ if alg.startswith('hmac_'):
+ h = hmac.new(hmac_key, message, alg.removeprefix('hmac_'))
+ else:
+ h = hashlib.new(alg, message)
+ print_value(f'{alg}_digest', h.digest())
+
+print('/* SPDX-License-Identifier: GPL-2.0-only */')
+print('/* Copyright 2021 Google LLC */')
+print('')
+warn_generated()
+print('')
+print_value('message', message)
+generate_aes_testvecs()
+generate_sha_testvecs()
+warn_generated()
diff --git a/tools/include/linux/poison.h b/tools/include/linux/poison.h
index d297257..2e6338a 100644
--- a/tools/include/linux/poison.h
+++ b/tools/include/linux/poison.h
@@ -35,12 +35,8 @@
*/
#define TIMER_ENTRY_STATIC ((void *) 0x300 + POISON_POINTER_DELTA)
-/********** mm/debug-pagealloc.c **********/
-#ifdef CONFIG_PAGE_POISONING_ZERO
-#define PAGE_POISON 0x00
-#else
+/********** mm/page_poison.c **********/
#define PAGE_POISON 0xaa
-#endif
/********** mm/page_alloc.c ************/
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index c6d199b..b84cdc7 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -18,7 +18,7 @@
#include "builtin.h"
#include "objtool.h"
-bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux;
+bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux, mcount, noinstr;
static const char * const check_usage[] = {
"objtool check [<options>] file.o",
@@ -34,13 +34,15 @@ const struct option check_options[] = {
OPT_BOOLEAN('a', "uaccess", &uaccess, "enable uaccess checking"),
OPT_BOOLEAN('s', "stats", &stats, "print statistics"),
OPT_BOOLEAN('d', "duplicate", &validate_dup, "duplicate validation for vmlinux.o"),
+ OPT_BOOLEAN('n', "noinstr", &noinstr, "noinstr validation for vmlinux.o"),
OPT_BOOLEAN('l', "vmlinux", &vmlinux, "vmlinux.o validation"),
+ OPT_BOOLEAN('M', "mcount", &mcount, "generate __mcount_loc"),
OPT_END(),
};
int cmd_check(int argc, const char **argv)
{
- const char *objname, *s;
+ const char *objname;
struct objtool_file *file;
int ret;
@@ -51,10 +53,6 @@ int cmd_check(int argc, const char **argv)
objname = argv[0];
- s = strstr(objname, "vmlinux.o");
- if (s && !s[9])
- vmlinux = true;
-
file = objtool_open_read(objname);
if (!file)
return 1;
diff --git a/tools/objtool/builtin.h b/tools/objtool/builtin.h
index 85c979c..2502bb2 100644
--- a/tools/objtool/builtin.h
+++ b/tools/objtool/builtin.h
@@ -8,7 +8,7 @@
#include <subcmd/parse-options.h>
extern const struct option check_options[];
-extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux;
+extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux, mcount, noinstr;
extern int cmd_check(int argc, const char **argv);
extern int cmd_orc(int argc, const char **argv);
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 8932f41..4c11433 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -246,7 +246,7 @@ static void init_insn_state(struct insn_state *state, struct section *sec)
* not correctly determine insn->call_dest->sec (external symbols do
* not have a section).
*/
- if (vmlinux && sec)
+ if (vmlinux && noinstr && sec)
state->noinstr = sec->noinstr;
}
@@ -545,6 +545,78 @@ static int create_static_call_sections(struct objtool_file *file)
return 0;
}
+static int create_mcount_loc_sections(struct objtool_file *file)
+{
+ struct section *sec, *reloc_sec;
+ struct reloc *reloc;
+ unsigned long *loc;
+ struct instruction *insn;
+ int idx;
+
+ sec = find_section_by_name(file->elf, "__mcount_loc");
+ if (sec) {
+ INIT_LIST_HEAD(&file->mcount_loc_list);
+ WARN("file already has __mcount_loc section, skipping");
+ return 0;
+ }
+
+ if (list_empty(&file->mcount_loc_list))
+ return 0;
+
+ idx = 0;
+ list_for_each_entry(insn, &file->mcount_loc_list, mcount_loc_node)
+ idx++;
+
+ sec = elf_create_section(file->elf, "__mcount_loc", 0, sizeof(unsigned long), idx);
+ if (!sec)
+ return -1;
+
+ reloc_sec = elf_create_reloc_section(file->elf, sec, SHT_RELA);
+ if (!reloc_sec)
+ return -1;
+
+ idx = 0;
+ list_for_each_entry(insn, &file->mcount_loc_list, mcount_loc_node) {
+
+ loc = (unsigned long *)sec->data->d_buf + idx;
+ memset(loc, 0, sizeof(unsigned long));
+
+ reloc = malloc(sizeof(*reloc));
+ if (!reloc) {
+ perror("malloc");
+ return -1;
+ }
+ memset(reloc, 0, sizeof(*reloc));
+
+ if (insn->sec->sym) {
+ reloc->sym = insn->sec->sym;
+ reloc->addend = insn->offset;
+ } else {
+ reloc->sym = find_symbol_containing(insn->sec, insn->offset);
+
+ if (!reloc->sym) {
+ WARN("missing symbol for insn at offset 0x%lx\n",
+ insn->offset);
+ return -1;
+ }
+
+ reloc->addend = insn->offset - reloc->sym->offset;
+ }
+
+ reloc->type = R_X86_64_64;
+ reloc->offset = idx * sizeof(unsigned long);
+ reloc->sec = reloc_sec;
+ elf_add_reloc(file->elf, reloc);
+
+ idx++;
+ }
+
+ if (elf_rebuild_reloc_section(file->elf, reloc_sec))
+ return -1;
+
+ return 0;
+}
+
/*
* Warnings shouldn't be reported for ignored functions.
*/
@@ -591,7 +663,7 @@ static void add_ignores(struct objtool_file *file)
static const char *uaccess_safe_builtin[] = {
/* KASAN */
"kasan_report",
- "check_memory_region",
+ "kasan_check_range",
/* KASAN out-of-line */
"__asan_loadN_noabort",
"__asan_load1_noabort",
@@ -776,6 +848,37 @@ static int add_ignore_alternatives(struct objtool_file *file)
}
/*
+ * CONFIG_CFI_CLANG: Check if the section is a CFI jump table or a
+ * compiler-generated CFI handler.
+ */
+static bool is_cfi_section(struct section *sec)
+{
+ return (sec->name &&
+ (!strncmp(sec->name, ".text..L.cfi.jumptable", 22) ||
+ !strcmp(sec->name, ".text.__cfi_check")));
+}
+
+/*
+ * CONFIG_CFI_CLANG: Ignore CFI jump tables.
+ */
+static void add_cfi_jumptables(struct objtool_file *file)
+{
+ struct section *sec;
+ struct symbol *func;
+ struct instruction *insn;
+
+ for_each_sec(file, sec) {
+ if (!is_cfi_section(sec))
+ continue;
+
+ list_for_each_entry(func, &sec->symbol_list, list) {
+ sym_for_each_insn(file, func, insn)
+ insn->ignore = true;
+ }
+ }
+}
+
+/*
* Find the destination instructions for all jumps.
*/
static int add_jump_destinations(struct objtool_file *file)
@@ -828,6 +931,10 @@ static int add_jump_destinations(struct objtool_file *file)
}
insn->jump_dest = find_insn(file, dest_sec, dest_off);
+
+ if (!insn->jump_dest && dest_sec->len == dest_off)
+ insn->jump_dest = find_last_insn(file, dest_sec);
+
if (!insn->jump_dest) {
/*
@@ -838,6 +945,9 @@ static int add_jump_destinations(struct objtool_file *file)
if (!strcmp(insn->sec->name, ".altinstr_replacement"))
continue;
+ if (is_cfi_section(insn->sec))
+ continue;
+
WARN_FUNC("can't find jump dest instruction at %s+0x%lx",
insn->sec, insn->offset, dest_sec->name,
dest_off);
@@ -945,6 +1055,9 @@ static int add_call_destinations(struct objtool_file *file)
insn->call_dest = find_call_destination(reloc->sym->sec,
dest_off);
if (!insn->call_dest) {
+ if (is_cfi_section(reloc->sym->sec))
+ continue;
+
WARN_FUNC("can't find call dest symbol at %s+0x%lx",
insn->sec, insn->offset,
reloc->sym->sec->name,
@@ -977,6 +1090,22 @@ static int add_call_destinations(struct objtool_file *file)
insn->type = INSN_NOP;
}
+ if (mcount && !strcmp(insn->call_dest->name, "__fentry__")) {
+ if (reloc) {
+ reloc->type = R_NONE;
+ elf_write_reloc(file->elf, reloc);
+ }
+
+ elf_write_insn(file->elf, insn->sec,
+ insn->offset, insn->len,
+ arch_nop_insn(insn->len));
+
+ insn->type = INSN_NOP;
+
+ list_add_tail(&insn->mcount_loc_node,
+ &file->mcount_loc_list);
+ }
+
/*
* Whatever stack impact regular CALLs have, should be undone
* by the RETURN of the called function.
@@ -1668,6 +1797,7 @@ static int decode_sections(struct objtool_file *file)
add_ignores(file);
add_uaccess_safe(file);
+ add_cfi_jumptables(file);
ret = add_ignore_alternatives(file);
if (ret)
@@ -2954,6 +3084,13 @@ int check(struct objtool_file *file)
goto out;
warnings += ret;
+ if (mcount) {
+ ret = create_mcount_loc_sections(file);
+ if (ret < 0)
+ goto out;
+ warnings += ret;
+ }
+
out:
/*
* For now, don't fail the kernel build on fatal warnings. These
diff --git a/tools/objtool/check.h b/tools/objtool/check.h
index 2804848..3a9a3da 100644
--- a/tools/objtool/check.h
+++ b/tools/objtool/check.h
@@ -23,6 +23,7 @@ struct instruction {
struct list_head list;
struct hlist_node hash;
struct list_head static_call_node;
+ struct list_head mcount_loc_node;
struct section *sec;
unsigned long offset;
unsigned int len;
diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c
index 9df0cd8..c1819a6 100644
--- a/tools/objtool/objtool.c
+++ b/tools/objtool/objtool.c
@@ -62,6 +62,7 @@ struct objtool_file *objtool_open_read(const char *_objname)
INIT_LIST_HEAD(&file.insn_list);
hash_init(file.insn_hash);
INIT_LIST_HEAD(&file.static_call_list);
+ INIT_LIST_HEAD(&file.mcount_loc_list);
file.c_file = !vmlinux && find_section_by_name(file.elf, ".comment");
file.ignore_unreachables = no_unreachable;
file.hints = false;
diff --git a/tools/objtool/objtool.h b/tools/objtool/objtool.h
index 4125d45..cf004dd 100644
--- a/tools/objtool/objtool.h
+++ b/tools/objtool/objtool.h
@@ -19,6 +19,7 @@ struct objtool_file {
struct list_head insn_list;
DECLARE_HASHTABLE(insn_hash, 20);
struct list_head static_call_list;
+ struct list_head mcount_loc_list;
bool ignore_unreachables, c_file, hints, rodata;
};
diff --git a/tools/testing/kunit/configs/broken_on_uml.config b/tools/testing/kunit/configs/broken_on_uml.config
index a7f0603..6908700 100644
--- a/tools/testing/kunit/configs/broken_on_uml.config
+++ b/tools/testing/kunit/configs/broken_on_uml.config
@@ -40,3 +40,5 @@
# CONFIG_RESET_BRCMSTB_RESCAL is not set
# CONFIG_RESET_INTEL_GW is not set
# CONFIG_ADI_AXI_ADC is not set
+# CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_PAGE_POISONING is not set
diff --git a/tools/testing/selftests/arm64/mte/Makefile b/tools/testing/selftests/arm64/mte/Makefile
index 4084ef1..df15d44 100644
--- a/tools/testing/selftests/arm64/mte/Makefile
+++ b/tools/testing/selftests/arm64/mte/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (C) 2020 ARM Limited
-CFLAGS += -std=gnu99 -I.
+CFLAGS += -std=gnu99 -I. -lpthread
SRCS := $(filter-out mte_common_util.c,$(wildcard *.c))
PROGS := $(patsubst %.c,%,$(SRCS))
diff --git a/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c b/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c
new file mode 100644
index 0000000..a876db1
--- /dev/null
+++ b/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2020 ARM Limited
+
+#define _GNU_SOURCE
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/auxv.h>
+#include <sys/mman.h>
+#include <sys/prctl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "kselftest.h"
+#include "mte_common_util.h"
+
+#define PR_SET_TAGGED_ADDR_CTRL 55
+#define PR_GET_TAGGED_ADDR_CTRL 56
+# define PR_TAGGED_ADDR_ENABLE (1UL << 0)
+# define PR_MTE_TCF_SHIFT 1
+# define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT)
+# define PR_MTE_TAG_SHIFT 3
+# define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT)
+
+#include "mte_def.h"
+
+#define NUM_ITERATIONS 1024
+#define MAX_THREADS 5
+#define THREAD_ITERATIONS 1000
+
+void *execute_thread(void *x)
+{
+ pid_t pid = *((pid_t *)x);
+ pid_t tid = gettid();
+ uint64_t prctl_tag_mask;
+ uint64_t prctl_set;
+ uint64_t prctl_get;
+ uint64_t prctl_tcf;
+
+ srand(time(NULL) ^ (pid << 16) ^ (tid << 16));
+
+ prctl_tag_mask = rand() & 0xffff;
+
+ if (prctl_tag_mask % 2)
+ prctl_tcf = PR_MTE_TCF_SYNC;
+ else
+ prctl_tcf = PR_MTE_TCF_ASYNC;
+
+ prctl_set = PR_TAGGED_ADDR_ENABLE | prctl_tcf | (prctl_tag_mask << PR_MTE_TAG_SHIFT);
+
+ for (int j = 0; j < THREAD_ITERATIONS; j++) {
+ if (prctl(PR_SET_TAGGED_ADDR_CTRL, prctl_set, 0, 0, 0)) {
+ perror("prctl() failed");
+ goto fail;
+ }
+
+ prctl_get = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0);
+
+ if (prctl_set != prctl_get) {
+ ksft_print_msg("Error: prctl_set: 0x%lx != prctl_get: 0x%lx\n",
+ prctl_set, prctl_get);
+ goto fail;
+ }
+ }
+
+ return (void *)KSFT_PASS;
+
+fail:
+ return (void *)KSFT_FAIL;
+}
+
+int execute_test(pid_t pid)
+{
+ pthread_t thread_id[MAX_THREADS];
+ int thread_data[MAX_THREADS];
+
+ for (int i = 0; i < MAX_THREADS; i++)
+ pthread_create(&thread_id[i], NULL,
+ execute_thread, (void *)&pid);
+
+ for (int i = 0; i < MAX_THREADS; i++)
+ pthread_join(thread_id[i], (void *)&thread_data[i]);
+
+ for (int i = 0; i < MAX_THREADS; i++)
+ if (thread_data[i] == KSFT_FAIL)
+ return KSFT_FAIL;
+
+ return KSFT_PASS;
+}
+
+int mte_gcr_fork_test(void)
+{
+ pid_t pid;
+ int results[NUM_ITERATIONS];
+ pid_t cpid;
+ int res;
+
+ for (int i = 0; i < NUM_ITERATIONS; i++) {
+ pid = fork();
+
+ if (pid < 0)
+ return KSFT_FAIL;
+
+ if (pid == 0) {
+ cpid = getpid();
+
+ res = execute_test(cpid);
+
+ exit(res);
+ }
+ }
+
+ for (int i = 0; i < NUM_ITERATIONS; i++) {
+ wait(&res);
+
+ if (WIFEXITED(res))
+ results[i] = WEXITSTATUS(res);
+ else
+ --i;
+ }
+
+ for (int i = 0; i < NUM_ITERATIONS; i++)
+ if (results[i] == KSFT_FAIL)
+ return KSFT_FAIL;
+
+ return KSFT_PASS;
+}
+
+int main(int argc, char *argv[])
+{
+ int err;
+
+ err = mte_default_setup();
+ if (err)
+ return err;
+
+ ksft_set_plan(1);
+
+ evaluate_test(mte_gcr_fork_test(),
+ "Verify that GCR_EL1 is set correctly on context switch\n");
+
+ mte_restore_setup();
+ ksft_print_cnts();
+
+ return ksft_get_fail_cnt() == 0 ? KSFT_PASS : KSFT_FAIL;
+}
diff --git a/tools/testing/selftests/filesystems/incfs/.gitignore b/tools/testing/selftests/filesystems/incfs/.gitignore
new file mode 100644
index 0000000..f0e3cd9
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/.gitignore
@@ -0,0 +1,3 @@
+incfs_test
+incfs_stress
+incfs_perf
diff --git a/tools/testing/selftests/filesystems/incfs/Makefile b/tools/testing/selftests/filesystems/incfs/Makefile
new file mode 100644
index 0000000..f379802
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+CFLAGS += -D_FILE_OFFSET_BITS=64 -Wall -Werror -I../.. -I../../../../..
+LDLIBS := -llz4 -lzstd -lcrypto -lpthread
+TEST_GEN_PROGS := incfs_test incfs_stress incfs_perf
+
+include ../../lib.mk
+
+# Put after include ../../lib.mk since that changes $(TEST_GEN_PROGS)
+# Otherwise you get multiple targets, this becomes the default, and it's a mess
+EXTRA_SOURCES := utils.c
+$(TEST_GEN_PROGS) : $(EXTRA_SOURCES)
diff --git a/tools/testing/selftests/filesystems/incfs/incfs_perf.c b/tools/testing/selftests/filesystems/incfs/incfs_perf.c
new file mode 100644
index 0000000..ed36bbd
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/incfs_perf.c
@@ -0,0 +1,717 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <lz4.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <ctype.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+#define err_msg(...) \
+ do { \
+ fprintf(stderr, "%s: (%d) ", TAG, __LINE__); \
+ fprintf(stderr, __VA_ARGS__); \
+ fprintf(stderr, " (%s)\n", strerror(errno)); \
+ } while (false)
+
+#define TAG "incfs_perf"
+
+struct options {
+ int blocks; /* -b number of diff block sizes */
+ bool no_cleanup; /* -c don't clean up after */
+ const char *test_dir; /* -d working directory */
+ const char *file_types; /* -f sScCvV */
+ bool no_native; /* -n don't test native files */
+ bool no_random; /* -r don't do random reads*/
+ bool no_linear; /* -R random reads only */
+ size_t size; /* -s file size as power of 2 */
+ int tries; /* -t times to run test*/
+};
+
+enum flags {
+ SHUFFLE = 1,
+ COMPRESS = 2,
+ VERIFY = 4,
+ LAST_FLAG = 8,
+};
+
+void print_help(void)
+{
+ puts(
+ "incfs_perf. Performance test tool for incfs\n"
+ "\tTests read performance of incfs by creating files of various types\n"
+ "\tflushing caches and then reading them back.\n"
+ "\tEach file is read with different block sizes and average\n"
+ "\tthroughput in megabytes/second and memory usage are reported for\n"
+ "\teach block size\n"
+ "\tNative files are tested for comparison\n"
+ "\tNative files are created in native folder, incfs files are created\n"
+ "\tin src folder which is mounted on dst folder\n"
+ "\n"
+ "\t-bn (default 8) number of different block sizes, starting at 4096\n"
+ "\t and doubling\n"
+ "\t-c don't Clean up - leave files and mount point\n"
+ "\t-d dir create directories in dir\n"
+ "\t-fs|Sc|Cv|V restrict which files are created.\n"
+ "\t s blocks not shuffled, S blocks shuffled\n"
+ "\t c blocks not compress, C blocks compressed\n"
+ "\t v files not verified, V files verified\n"
+ "\t If a letter is omitted, both options are tested\n"
+ "\t If no letter are given, incfs is not tested\n"
+ "\t-n Don't test native files\n"
+ "\t-r No random reads (sequential only)\n"
+ "\t-R Random reads only (no sequential)\n"
+ "\t-sn (default 30)File size as power of 2\n"
+ "\t-tn (default 5) Number of tries per file. Results are averaged\n"
+ );
+}
+
+int parse_options(int argc, char *const *argv, struct options *options)
+{
+ signed char c;
+
+ /* Set defaults here */
+ *options = (struct options){
+ .blocks = 8,
+ .test_dir = ".",
+ .tries = 5,
+ .size = 30,
+ };
+
+ /* Load options from command line here */
+ while ((c = getopt(argc, argv, "b:cd:f::hnrRs:t:")) != -1) {
+ switch (c) {
+ case 'b':
+ options->blocks = strtol(optarg, NULL, 10);
+ break;
+
+ case 'c':
+ options->no_cleanup = true;
+ break;
+
+ case 'd':
+ options->test_dir = optarg;
+ break;
+
+ case 'f':
+ if (optarg)
+ options->file_types = optarg;
+ else
+ options->file_types = "sS";
+ break;
+
+ case 'h':
+ print_help();
+ exit(0);
+
+ case 'n':
+ options->no_native = true;
+ break;
+
+ case 'r':
+ options->no_random = true;
+ break;
+
+ case 'R':
+ options->no_linear = true;
+ break;
+
+ case 's':
+ options->size = strtol(optarg, NULL, 10);
+ break;
+
+ case 't':
+ options->tries = strtol(optarg, NULL, 10);
+ break;
+
+ default:
+ print_help();
+ return -EINVAL;
+ }
+ }
+
+ options->size = 1L << options->size;
+
+ return 0;
+}
+
+void shuffle(size_t *buffer, size_t size)
+{
+ size_t i;
+
+ for (i = 0; i < size; ++i) {
+ size_t j = random() * (size - i - 1) / RAND_MAX;
+ size_t temp = buffer[i];
+
+ buffer[i] = buffer[j];
+ buffer[j] = temp;
+ }
+}
+
+int get_free_memory(void)
+{
+ FILE *meminfo = fopen("/proc/meminfo", "re");
+ char field[256];
+ char value[256] = {};
+
+ if (!meminfo)
+ return -ENOENT;
+
+ while (fscanf(meminfo, "%[^:]: %s kB\n", field, value) == 2) {
+ if (!strcmp(field, "MemFree"))
+ break;
+ *value = 0;
+ }
+
+ fclose(meminfo);
+
+ if (!*value)
+ return -ENOENT;
+
+ return strtol(value, NULL, 10);
+}
+
+int write_data(int cmd_fd, int dir_fd, const char *name, size_t size, int flags)
+{
+ int fd = openat(dir_fd, name, O_RDWR | O_CLOEXEC);
+ struct incfs_permit_fill permit_fill = {
+ .file_descriptor = fd,
+ };
+ int block_count = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ size_t *blocks = malloc(sizeof(size_t) * block_count);
+ int error = 0;
+ size_t i;
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+ uint8_t compressed_data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+ struct incfs_fill_block fill_block = {
+ .compression = COMPRESSION_NONE,
+ .data_len = sizeof(data),
+ .data = ptr_to_u64(data),
+ };
+
+ if (!blocks) {
+ err_msg("Out of memory");
+ error = -errno;
+ goto out;
+ }
+
+ if (fd == -1) {
+ err_msg("Could not open file for writing %s", name);
+ error = -errno;
+ goto out;
+ }
+
+ if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+ err_msg("Failed to call PERMIT_FILL");
+ error = -errno;
+ goto out;
+ }
+
+ for (i = 0; i < block_count; ++i)
+ blocks[i] = i;
+
+ if (flags & SHUFFLE)
+ shuffle(blocks, block_count);
+
+ if (flags & COMPRESS) {
+ size_t comp_size = LZ4_compress_default(
+ (char *)data, (char *)compressed_data, sizeof(data),
+ ARRAY_SIZE(compressed_data));
+
+ if (comp_size <= 0) {
+ error = -EBADMSG;
+ goto out;
+ }
+ fill_block.compression = COMPRESSION_LZ4;
+ fill_block.data = ptr_to_u64(compressed_data);
+ fill_block.data_len = comp_size;
+ }
+
+ for (i = 0; i < block_count; ++i) {
+ struct incfs_fill_blocks fill_blocks = {
+ .count = 1,
+ .fill_blocks = ptr_to_u64(&fill_block),
+ };
+
+ fill_block.block_index = blocks[i];
+ int written = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+
+ if (written != 1) {
+ error = -errno;
+ err_msg("Failed to write block %lu in file %s", i,
+ name);
+ break;
+ }
+ }
+
+out:
+ free(blocks);
+ close(fd);
+ sync();
+ return error;
+}
+
+int measure_read_throughput_internal(const char *tag, int dir, const char *name,
+ const struct options *options, bool random)
+{
+ int block;
+
+ if (random)
+ printf("%32s(random)", tag);
+ else
+ printf("%40s", tag);
+
+ for (block = 0; block < options->blocks; ++block) {
+ size_t buffer_size;
+ char *buffer;
+ int try;
+ double time = 0;
+ double throughput;
+ int memory = 0;
+
+ buffer_size = 1 << (block + 12);
+ buffer = malloc(buffer_size);
+
+ for (try = 0; try < options->tries; ++try) {
+ int err;
+ struct timespec start_time, end_time;
+ off_t i;
+ int fd;
+ size_t offsets_size = options->size / buffer_size;
+ size_t *offsets =
+ malloc(offsets_size * sizeof(*offsets));
+ int start_memory, end_memory;
+
+ if (!offsets) {
+ err_msg("Not enough memory");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < offsets_size; ++i)
+ offsets[i] = i * buffer_size;
+
+ if (random)
+ shuffle(offsets, offsets_size);
+
+ err = drop_caches();
+ if (err) {
+ err_msg("Failed to drop caches");
+ return err;
+ }
+
+ start_memory = get_free_memory();
+ if (start_memory < 0) {
+ err_msg("Failed to get start memory");
+ return start_memory;
+ }
+
+ fd = openat(dir, name, O_RDONLY | O_CLOEXEC);
+ if (fd == -1) {
+ err_msg("Failed to open file");
+ return err;
+ }
+
+ err = clock_gettime(CLOCK_MONOTONIC, &start_time);
+ if (err) {
+ err_msg("Failed to get start time");
+ return err;
+ }
+
+ for (i = 0; i < offsets_size; ++i)
+ if (pread(fd, buffer, buffer_size,
+ offsets[i]) != buffer_size) {
+ err_msg("Failed to read file");
+ err = -errno;
+ goto fail;
+ }
+
+ err = clock_gettime(CLOCK_MONOTONIC, &end_time);
+ if (err) {
+ err_msg("Failed to get start time");
+ goto fail;
+ }
+
+ end_memory = get_free_memory();
+ if (end_memory < 0) {
+ err_msg("Failed to get end memory");
+ return end_memory;
+ }
+
+ time += end_time.tv_sec - start_time.tv_sec;
+ time += (end_time.tv_nsec - start_time.tv_nsec) / 1e9;
+
+ close(fd);
+ fd = -1;
+ memory += start_memory - end_memory;
+
+fail:
+ free(offsets);
+ close(fd);
+ if (err)
+ return err;
+ }
+
+ throughput = options->size * options->tries / time;
+ printf("%10.3e %10d", throughput, memory / options->tries);
+ free(buffer);
+ }
+
+ printf("\n");
+ return 0;
+}
+
+int measure_read_throughput(const char *tag, int dir, const char *name,
+ const struct options *options)
+{
+ int err = 0;
+
+ if (!options->no_linear)
+ err = measure_read_throughput_internal(tag, dir, name, options,
+ false);
+
+ if (!err && !options->no_random)
+ err = measure_read_throughput_internal(tag, dir, name, options,
+ true);
+ return err;
+}
+
+int test_native_file(int dir, const struct options *options)
+{
+ const char *name = "file";
+ int fd;
+ char buffer[4096] = {};
+ off_t i;
+ int err;
+
+ fd = openat(dir, name, O_CREAT | O_WRONLY | O_CLOEXEC, 0600);
+ if (fd == -1) {
+ err_msg("Could not open native file");
+ return -errno;
+ }
+
+ for (i = 0; i < options->size; i += sizeof(buffer))
+ if (pwrite(fd, buffer, sizeof(buffer), i) != sizeof(buffer)) {
+ err_msg("Failed to write file");
+ err = -errno;
+ goto fail;
+ }
+
+ close(fd);
+ sync();
+ fd = -1;
+
+ err = measure_read_throughput("native", dir, name, options);
+
+fail:
+ close(fd);
+ return err;
+}
+
+struct hash_block {
+ char data[INCFS_DATA_FILE_BLOCK_SIZE];
+};
+
+static struct hash_block *build_mtree(size_t size, char *root_hash,
+ int *mtree_block_count)
+{
+ char data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+ const int digest_size = SHA256_DIGEST_SIZE;
+ const int hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+ int block_count = 0;
+ int hash_block_count = 0;
+ int total_tree_block_count = 0;
+ int tree_lvl_index[INCFS_MAX_MTREE_LEVELS] = {};
+ int tree_lvl_count[INCFS_MAX_MTREE_LEVELS] = {};
+ int levels_count = 0;
+ int i, level;
+ struct hash_block *mtree;
+
+ if (size == 0)
+ return 0;
+
+ block_count = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ hash_block_count = block_count;
+ for (i = 0; hash_block_count > 1; i++) {
+ hash_block_count = (hash_block_count + hash_per_block - 1) /
+ hash_per_block;
+ tree_lvl_count[i] = hash_block_count;
+ total_tree_block_count += hash_block_count;
+ }
+ levels_count = i;
+
+ for (i = 0; i < levels_count; i++) {
+ int prev_lvl_base = (i == 0) ? total_tree_block_count :
+ tree_lvl_index[i - 1];
+
+ tree_lvl_index[i] = prev_lvl_base - tree_lvl_count[i];
+ }
+
+ *mtree_block_count = total_tree_block_count;
+ mtree = calloc(total_tree_block_count, sizeof(*mtree));
+ /* Build level 0 hashes. */
+ for (i = 0; i < block_count; i++) {
+ int block_index = tree_lvl_index[0] + i / hash_per_block;
+ int block_off = (i % hash_per_block) * digest_size;
+ char *hash_ptr = mtree[block_index].data + block_off;
+
+ sha256(data, INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+ }
+
+ /* Build higher levels of hash tree. */
+ for (level = 1; level < levels_count; level++) {
+ int prev_lvl_base = tree_lvl_index[level - 1];
+ int prev_lvl_count = tree_lvl_count[level - 1];
+
+ for (i = 0; i < prev_lvl_count; i++) {
+ int block_index =
+ i / hash_per_block + tree_lvl_index[level];
+ int block_off = (i % hash_per_block) * digest_size;
+ char *hash_ptr = mtree[block_index].data + block_off;
+
+ sha256(mtree[i + prev_lvl_base].data,
+ INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+ }
+ }
+
+ /* Calculate root hash from the top block */
+ sha256(mtree[0].data, INCFS_DATA_FILE_BLOCK_SIZE, root_hash);
+
+ return mtree;
+}
+
+static int load_hash_tree(int cmd_fd, int dir, const char *name,
+ struct hash_block *mtree, int mtree_block_count)
+{
+ int err;
+ int i;
+ int fd;
+ struct incfs_fill_block *fill_block_array =
+ calloc(mtree_block_count, sizeof(struct incfs_fill_block));
+ struct incfs_fill_blocks fill_blocks = {
+ .count = mtree_block_count,
+ .fill_blocks = ptr_to_u64(fill_block_array),
+ };
+ struct incfs_permit_fill permit_fill;
+
+ if (!fill_block_array)
+ return -ENOMEM;
+
+ for (i = 0; i < fill_blocks.count; i++) {
+ fill_block_array[i] = (struct incfs_fill_block){
+ .block_index = i,
+ .data_len = INCFS_DATA_FILE_BLOCK_SIZE,
+ .data = ptr_to_u64(mtree[i].data),
+ .flags = INCFS_BLOCK_FLAGS_HASH
+ };
+ }
+
+ fd = openat(dir, name, O_RDONLY | O_CLOEXEC);
+ if (fd < 0) {
+ err = errno;
+ goto failure;
+ }
+
+ permit_fill.file_descriptor = fd;
+ if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+ err_msg("Failed to call PERMIT_FILL");
+ err = -errno;
+ goto failure;
+ }
+
+ err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+ close(fd);
+ if (err < fill_blocks.count)
+ err = errno;
+ else
+ err = 0;
+
+failure:
+ free(fill_block_array);
+ return err;
+}
+
+int test_incfs_file(int dst_dir, const struct options *options, int flags)
+{
+ int cmd_file = openat(dst_dir, INCFS_PENDING_READS_FILENAME,
+ O_RDONLY | O_CLOEXEC);
+ int err;
+ char name[4];
+ incfs_uuid_t id;
+ char tag[256];
+
+ snprintf(name, sizeof(name), "%c%c%c",
+ flags & SHUFFLE ? 'S' : 's',
+ flags & COMPRESS ? 'C' : 'c',
+ flags & VERIFY ? 'V' : 'v');
+
+ if (cmd_file == -1) {
+ err_msg("Could not open command file");
+ return -errno;
+ }
+
+ if (flags & VERIFY) {
+ char root_hash[INCFS_MAX_HASH_SIZE];
+ int mtree_block_count;
+ struct hash_block *mtree = build_mtree(options->size, root_hash,
+ &mtree_block_count);
+
+ if (!mtree) {
+ err_msg("Failed to build hash tree");
+ err = -ENOMEM;
+ goto fail;
+ }
+
+ err = crypto_emit_file(cmd_file, NULL, name, &id, options->size,
+ root_hash, "add_data");
+
+ if (!err)
+ err = load_hash_tree(cmd_file, dst_dir, name, mtree,
+ mtree_block_count);
+
+ free(mtree);
+ } else
+ err = emit_file(cmd_file, NULL, name, &id, options->size, NULL);
+
+ if (err) {
+ err_msg("Failed to create file %s", name);
+ goto fail;
+ }
+
+ if (write_data(cmd_file, dst_dir, name, options->size, flags))
+ goto fail;
+
+ snprintf(tag, sizeof(tag), "incfs%s%s%s",
+ flags & SHUFFLE ? "(shuffle)" : "",
+ flags & COMPRESS ? "(compress)" : "",
+ flags & VERIFY ? "(verify)" : "");
+
+ err = measure_read_throughput(tag, dst_dir, name, options);
+
+fail:
+ close(cmd_file);
+ return err;
+}
+
+bool skip(struct options const *options, int flag, char c)
+{
+ if (!options->file_types)
+ return false;
+
+ if (flag && strchr(options->file_types, tolower(c)))
+ return true;
+
+ if (!flag && strchr(options->file_types, toupper(c)))
+ return true;
+
+ return false;
+}
+
+int main(int argc, char *const *argv)
+{
+ struct options options;
+ int err;
+ const char *native_dir = "native";
+ const char *src_dir = "src";
+ const char *dst_dir = "dst";
+ int native_dir_fd = -1;
+ int src_dir_fd = -1;
+ int dst_dir_fd = -1;
+ int block;
+ int flags;
+
+ err = parse_options(argc, argv, &options);
+ if (err)
+ return err;
+
+ err = chdir(options.test_dir);
+ if (err) {
+ err_msg("Failed to change to %s", options.test_dir);
+ return -errno;
+ }
+
+ /* Clean up any interrupted previous runs */
+ while (!umount(dst_dir))
+ ;
+
+ err = remove_dir(native_dir) || remove_dir(src_dir) ||
+ remove_dir(dst_dir);
+ if (err)
+ return err;
+
+ err = mkdir(native_dir, 0700);
+ if (err) {
+ err_msg("Failed to make directory %s", src_dir);
+ err = -errno;
+ goto cleanup;
+ }
+
+ err = mkdir(src_dir, 0700);
+ if (err) {
+ err_msg("Failed to make directory %s", src_dir);
+ err = -errno;
+ goto cleanup;
+ }
+
+ err = mkdir(dst_dir, 0700);
+ if (err) {
+ err_msg("Failed to make directory %s", src_dir);
+ err = -errno;
+ goto cleanup;
+ }
+
+ err = mount_fs_opt(dst_dir, src_dir, "readahead=0,rlog_pages=0", 0);
+ if (err) {
+ err_msg("Failed to mount incfs");
+ goto cleanup;
+ }
+
+ native_dir_fd = open(native_dir, O_RDONLY | O_CLOEXEC);
+ src_dir_fd = open(src_dir, O_RDONLY | O_CLOEXEC);
+ dst_dir_fd = open(dst_dir, O_RDONLY | O_CLOEXEC);
+ if (native_dir_fd == -1 || src_dir_fd == -1 || dst_dir_fd == -1) {
+ err_msg("Failed to open native, src or dst dir");
+ err = -errno;
+ goto cleanup;
+ }
+
+ printf("%40s", "");
+ for (block = 0; block < options.blocks; ++block)
+ printf("%21d", 1 << (block + 12));
+ printf("\n");
+
+ if (!err && !options.no_native)
+ err = test_native_file(native_dir_fd, &options);
+
+ for (flags = 0; flags < LAST_FLAG && !err; ++flags) {
+ if (skip(&options, flags & SHUFFLE, 's') ||
+ skip(&options, flags & COMPRESS, 'c') ||
+ skip(&options, flags & VERIFY, 'v'))
+ continue;
+ err = test_incfs_file(dst_dir_fd, &options, flags);
+ }
+
+cleanup:
+ close(native_dir_fd);
+ close(src_dir_fd);
+ close(dst_dir_fd);
+ if (!options.no_cleanup) {
+ umount(dst_dir);
+ remove_dir(native_dir);
+ remove_dir(dst_dir);
+ remove_dir(src_dir);
+ }
+
+ return err;
+}
diff --git a/tools/testing/selftests/filesystems/incfs/incfs_stress.c b/tools/testing/selftests/filesystems/incfs/incfs_stress.c
new file mode 100644
index 0000000..a1d4917
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/incfs_stress.c
@@ -0,0 +1,322 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Google LLC
+ */
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+#define err_msg(...) \
+ do { \
+ fprintf(stderr, "%s: (%d) ", TAG, __LINE__); \
+ fprintf(stderr, __VA_ARGS__); \
+ fprintf(stderr, " (%s)\n", strerror(errno)); \
+ } while (false)
+
+#define TAG "incfs_stress"
+
+struct options {
+ bool no_cleanup; /* -c */
+ const char *test_dir; /* -d */
+ unsigned int rng_seed; /* -g */
+ int num_reads; /* -n */
+ int readers; /* -r */
+ int size; /* -s */
+ int timeout; /* -t */
+};
+
+struct read_data {
+ const char *filename;
+ int dir_fd;
+ size_t filesize;
+ int num_reads;
+ unsigned int rng_seed;
+};
+
+int cancel_threads;
+
+int parse_options(int argc, char *const *argv, struct options *options)
+{
+ signed char c;
+
+ /* Set defaults here */
+ *options = (struct options){
+ .test_dir = ".",
+ .num_reads = 1000,
+ .readers = 10,
+ .size = 10,
+ };
+
+ /* Load options from command line here */
+ while ((c = getopt(argc, argv, "cd:g:n:r:s:t:")) != -1) {
+ switch (c) {
+ case 'c':
+ options->no_cleanup = true;
+ break;
+
+ case 'd':
+ options->test_dir = optarg;
+ break;
+
+ case 'g':
+ options->rng_seed = strtol(optarg, NULL, 10);
+ break;
+
+ case 'n':
+ options->num_reads = strtol(optarg, NULL, 10);
+ break;
+
+ case 'r':
+ options->readers = strtol(optarg, NULL, 10);
+ break;
+
+ case 's':
+ options->size = strtol(optarg, NULL, 10);
+ break;
+
+ case 't':
+ options->timeout = strtol(optarg, NULL, 10);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+void *reader(void *data)
+{
+ struct read_data *read_data = (struct read_data *)data;
+ int i;
+ int fd = -1;
+ void *buffer = malloc(read_data->filesize);
+
+ if (!buffer) {
+ err_msg("Failed to alloc read buffer");
+ goto out;
+ }
+
+ fd = openat(read_data->dir_fd, read_data->filename,
+ O_RDONLY | O_CLOEXEC);
+ if (fd == -1) {
+ err_msg("Failed to open file");
+ goto out;
+ }
+
+ for (i = 0; i < read_data->num_reads && !cancel_threads; ++i) {
+ off_t offset = rnd(read_data->filesize, &read_data->rng_seed);
+ size_t count =
+ rnd(read_data->filesize - offset, &read_data->rng_seed);
+ ssize_t err = pread(fd, buffer, count, offset);
+
+ if (err != count)
+ err_msg("failed to read with value %lu", err);
+ }
+
+out:
+ close(fd);
+ free(read_data);
+ free(buffer);
+ return NULL;
+}
+
+int write_data(int cmd_fd, int dir_fd, const char *name, size_t size)
+{
+ int fd = openat(dir_fd, name, O_RDWR | O_CLOEXEC);
+ struct incfs_permit_fill permit_fill = {
+ .file_descriptor = fd,
+ };
+ int error = 0;
+ int i;
+ int block_count = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+
+ if (fd == -1) {
+ err_msg("Could not open file for writing %s", name);
+ return -errno;
+ }
+
+ if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+ err_msg("Failed to call PERMIT_FILL");
+ error = -errno;
+ goto out;
+ }
+
+ for (i = 0; i < block_count; ++i) {
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+ size_t block_size =
+ size > i * INCFS_DATA_FILE_BLOCK_SIZE ?
+ INCFS_DATA_FILE_BLOCK_SIZE :
+ size - (i * INCFS_DATA_FILE_BLOCK_SIZE);
+ struct incfs_fill_block fill_block = {
+ .compression = COMPRESSION_NONE,
+ .block_index = i,
+ .data_len = block_size,
+ .data = ptr_to_u64(data),
+ };
+ struct incfs_fill_blocks fill_blocks = {
+ .count = 1,
+ .fill_blocks = ptr_to_u64(&fill_block),
+ };
+ int written = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+
+ if (written != 1) {
+ error = -errno;
+ err_msg("Failed to write block %d in file %s", i, name);
+ break;
+ }
+ }
+out:
+ close(fd);
+ return error;
+}
+
+int test_files(int src_dir, int dst_dir, struct options const *options)
+{
+ unsigned int seed = options->rng_seed;
+ int cmd_file = openat(dst_dir, INCFS_PENDING_READS_FILENAME,
+ O_RDONLY | O_CLOEXEC);
+ int err;
+ const char *name = "001";
+ incfs_uuid_t id;
+ size_t size;
+ int i;
+ pthread_t *threads = NULL;
+
+ size = 1 << (rnd(options->size, &seed) + 12);
+ size += rnd(size, &seed);
+
+ if (cmd_file == -1) {
+ err_msg("Could not open command file");
+ return -errno;
+ }
+
+ err = emit_file(cmd_file, NULL, name, &id, size, NULL);
+ if (err) {
+ err_msg("Failed to create file %s", name);
+ return err;
+ }
+
+ threads = malloc(sizeof(pthread_t) * options->readers);
+ if (!threads) {
+ err_msg("Could not allocate memory for threads");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < options->readers; ++i) {
+ struct read_data *read_data = malloc(sizeof(*read_data));
+
+ if (!read_data) {
+ err_msg("Failed to allocate read_data");
+ err = -ENOMEM;
+ break;
+ }
+
+ *read_data = (struct read_data){
+ .filename = name,
+ .dir_fd = dst_dir,
+ .filesize = size,
+ .num_reads = options->num_reads,
+ .rng_seed = seed,
+ };
+
+ rnd(0, &seed);
+
+ err = pthread_create(threads + i, 0, reader, read_data);
+ if (err) {
+ err_msg("Failed to create thread");
+ free(read_data);
+ break;
+ }
+ }
+
+ if (err)
+ cancel_threads = 1;
+ else
+ err = write_data(cmd_file, dst_dir, name, size);
+
+ for (; i > 0; --i) {
+ if (pthread_join(threads[i - 1], NULL)) {
+ err_msg("FATAL: failed to join thread");
+ exit(-errno);
+ }
+ }
+
+ free(threads);
+ close(cmd_file);
+ return err;
+}
+
+int main(int argc, char *const *argv)
+{
+ struct options options;
+ int err;
+ const char *src_dir = "src";
+ const char *dst_dir = "dst";
+ int src_dir_fd = -1;
+ int dst_dir_fd = -1;
+
+ err = parse_options(argc, argv, &options);
+ if (err)
+ return err;
+
+ err = chdir(options.test_dir);
+ if (err) {
+ err_msg("Failed to change to %s", options.test_dir);
+ return -errno;
+ }
+
+ err = remove_dir(src_dir) || remove_dir(dst_dir);
+ if (err)
+ return err;
+
+ err = mkdir(src_dir, 0700);
+ if (err) {
+ err_msg("Failed to make directory %s", src_dir);
+ err = -errno;
+ goto cleanup;
+ }
+
+ err = mkdir(dst_dir, 0700);
+ if (err) {
+ err_msg("Failed to make directory %s", src_dir);
+ err = -errno;
+ goto cleanup;
+ }
+
+ err = mount_fs(dst_dir, src_dir, options.timeout);
+ if (err) {
+ err_msg("Failed to mount incfs");
+ goto cleanup;
+ }
+
+ src_dir_fd = open(src_dir, O_RDONLY | O_CLOEXEC);
+ dst_dir_fd = open(dst_dir, O_RDONLY | O_CLOEXEC);
+ if (src_dir_fd == -1 || dst_dir_fd == -1) {
+ err_msg("Failed to open src or dst dir");
+ err = -errno;
+ goto cleanup;
+ }
+
+ err = test_files(src_dir_fd, dst_dir_fd, &options);
+
+cleanup:
+ close(src_dir_fd);
+ close(dst_dir_fd);
+ if (!options.no_cleanup) {
+ umount(dst_dir);
+ remove_dir(dst_dir);
+ remove_dir(src_dir);
+ }
+
+ return err;
+}
diff --git a/tools/testing/selftests/filesystems/incfs/incfs_test.c b/tools/testing/selftests/filesystems/incfs/incfs_test.c
new file mode 100644
index 0000000..4c30aec
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/incfs_test.c
@@ -0,0 +1,4751 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#define _GNU_SOURCE
+
+#include <alloca.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <lz4.h>
+#include <poll.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <zstd.h>
+
+#include <sys/inotify.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/xattr.h>
+
+#include <linux/random.h>
+#include <linux/stat.h>
+#include <linux/unistd.h>
+
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+
+#include <kselftest.h>
+#include <include/uapi/linux/fsverity.h>
+
+#include "utils.h"
+
+/* Can't include uapi/linux/fs.h because it clashes with mount.h */
+#define FS_IOC_GETFLAGS _IOR('f', 1, long)
+#define FS_VERITY_FL 0x00100000 /* Verity protected inode */
+
+#define TEST_FAILURE 1
+#define TEST_SUCCESS 0
+
+#define INCFS_ROOT_INODE 0
+
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+#define le16_to_cpu(x) (x)
+#define le32_to_cpu(x) (x)
+#define le64_to_cpu(x) (x)
+#else
+#error Big endian not supported!
+#endif
+
+struct {
+ int file;
+ int test;
+ bool verbose;
+} options;
+
+#define TESTCOND(condition) \
+ do { \
+ if (!(condition)) { \
+ ksft_print_msg("%s failed %d\n", \
+ __func__, __LINE__); \
+ goto out; \
+ } else if (options.verbose) \
+ ksft_print_msg("%s succeeded %d\n", \
+ __func__, __LINE__); \
+ } while (false)
+
+#define TEST(statement, condition) \
+ do { \
+ statement; \
+ TESTCOND(condition); \
+ } while (false)
+
+#define TESTEQUAL(statement, res) \
+ TESTCOND((statement) == (res))
+
+#define TESTNE(statement, res) \
+ TESTCOND((statement) != (res))
+
+#define TESTSYSCALL(statement) \
+ do { \
+ int res = statement; \
+ \
+ if (res) \
+ ksft_print_msg("Failed: %s (%d)\n", \
+ strerror(errno), errno); \
+ TESTEQUAL(res, 0); \
+ } while (false)
+
+void print_bytes(const void *data, size_t size)
+{
+ const uint8_t *bytes = data;
+ int i;
+
+ for (i = 0; i < size; ++i) {
+ if (i % 0x10 == 0)
+ printf("%08x:", i);
+ printf("%02x ", (unsigned int) bytes[i]);
+ if (i % 0x10 == 0x0f)
+ printf("\n");
+ }
+
+ if (i % 0x10 != 0)
+ printf("\n");
+}
+
+struct hash_block {
+ char data[INCFS_DATA_FILE_BLOCK_SIZE];
+};
+
+struct test_signature {
+ void *data;
+ size_t size;
+
+ char add_data[100];
+ size_t add_data_size;
+};
+
+struct test_file {
+ int index;
+ incfs_uuid_t id;
+ char *name;
+ off_t size;
+ char root_hash[INCFS_MAX_HASH_SIZE];
+ struct hash_block *mtree;
+ int mtree_block_count;
+ struct test_signature sig;
+ unsigned char *verity_sig;
+ size_t verity_sig_size;
+};
+
+struct test_files_set {
+ struct test_file *files;
+ int files_count;
+};
+
+struct linux_dirent64 {
+ uint64_t d_ino;
+ int64_t d_off;
+ unsigned short d_reclen;
+ unsigned char d_type;
+ char d_name[0];
+} __packed;
+
+struct test_files_set get_test_files_set(void)
+{
+ static struct test_file files[] = {
+ { .index = 0, .name = "file_one_byte", .size = 1 },
+ { .index = 1,
+ .name = "file_one_block",
+ .size = INCFS_DATA_FILE_BLOCK_SIZE },
+ { .index = 2,
+ .name = "file_one_and_a_half_blocks",
+ .size = INCFS_DATA_FILE_BLOCK_SIZE +
+ INCFS_DATA_FILE_BLOCK_SIZE / 2 },
+ { .index = 3,
+ .name = "file_three",
+ .size = 300 * INCFS_DATA_FILE_BLOCK_SIZE + 3 },
+ { .index = 4,
+ .name = "file_four",
+ .size = 400 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+ { .index = 5,
+ .name = "file_five",
+ .size = 500 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+ { .index = 6,
+ .name = "file_six",
+ .size = 600 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+ { .index = 7,
+ .name = "file_seven",
+ .size = 700 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+ { .index = 8,
+ .name = "file_eight",
+ .size = 800 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+ { .index = 9,
+ .name = "file_nine",
+ .size = 900 * INCFS_DATA_FILE_BLOCK_SIZE + 7 },
+ { .index = 10, .name = "file_big", .size = 500 * 1024 * 1024 }
+ };
+
+ if (options.file)
+ return (struct test_files_set) {
+ .files = files + options.file - 1,
+ .files_count = 1,
+ };
+
+ return (struct test_files_set){ .files = files,
+ .files_count = ARRAY_SIZE(files) };
+}
+
+struct test_files_set get_small_test_files_set(void)
+{
+ static struct test_file files[] = {
+ { .index = 0, .name = "file_one_byte", .size = 1 },
+ { .index = 1,
+ .name = "file_one_block",
+ .size = INCFS_DATA_FILE_BLOCK_SIZE },
+ { .index = 2,
+ .name = "file_one_and_a_half_blocks",
+ .size = INCFS_DATA_FILE_BLOCK_SIZE +
+ INCFS_DATA_FILE_BLOCK_SIZE / 2 },
+ { .index = 3,
+ .name = "file_three",
+ .size = 300 * INCFS_DATA_FILE_BLOCK_SIZE + 3 },
+ { .index = 4,
+ .name = "file_four",
+ .size = 400 * INCFS_DATA_FILE_BLOCK_SIZE + 7 }
+ };
+ return (struct test_files_set){ .files = files,
+ .files_count = ARRAY_SIZE(files) };
+}
+
+static int get_file_block_seed(int file, int block)
+{
+ return 7919 * file + block;
+}
+
+static loff_t min(loff_t a, loff_t b)
+{
+ return a < b ? a : b;
+}
+
+static int ilog2(size_t n)
+{
+ int l = 0;
+
+ while (n > 1) {
+ ++l;
+ n >>= 1;
+ }
+ return l;
+}
+
+static pid_t flush_and_fork(void)
+{
+ fflush(stdout);
+ return fork();
+}
+
+static void print_error(char *msg)
+{
+ ksft_print_msg("%s: %s\n", msg, strerror(errno));
+}
+
+static int wait_for_process(pid_t pid)
+{
+ int status;
+ int wait_res;
+
+ wait_res = waitpid(pid, &status, 0);
+ if (wait_res <= 0) {
+ print_error("Can't wait for the child");
+ return -EINVAL;
+ }
+ if (!WIFEXITED(status)) {
+ ksft_print_msg("Unexpected child status pid=%d\n", pid);
+ return -EINVAL;
+ }
+ status = WEXITSTATUS(status);
+ if (status != 0)
+ return status;
+ return 0;
+}
+
+static void rnd_buf(uint8_t *data, size_t len, unsigned int seed)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ seed = 1103515245 * seed + 12345;
+ data[i] = (uint8_t)(seed >> (i % 13));
+ }
+}
+
+char *bin2hex(char *dst, const void *src, size_t count)
+{
+ const unsigned char *_src = src;
+ static const char hex_asc[] = "0123456789abcdef";
+
+ while (count--) {
+ unsigned char x = *_src++;
+
+ *dst++ = hex_asc[(x & 0xf0) >> 4];
+ *dst++ = hex_asc[(x & 0x0f)];
+ }
+ *dst = 0;
+ return dst;
+}
+
+static char *get_index_filename(const char *mnt_dir, incfs_uuid_t id)
+{
+ char path[FILENAME_MAX];
+ char str_id[1 + 2 * sizeof(id)];
+
+ bin2hex(str_id, id.bytes, sizeof(id.bytes));
+ snprintf(path, ARRAY_SIZE(path), "%s/.index/%s", mnt_dir, str_id);
+
+ return strdup(path);
+}
+
+static char *get_incomplete_filename(const char *mnt_dir, incfs_uuid_t id)
+{
+ char path[FILENAME_MAX];
+ char str_id[1 + 2 * sizeof(id)];
+
+ bin2hex(str_id, id.bytes, sizeof(id.bytes));
+ snprintf(path, ARRAY_SIZE(path), "%s/.incomplete/%s", mnt_dir, str_id);
+
+ return strdup(path);
+}
+
+int open_file_by_id(const char *mnt_dir, incfs_uuid_t id, bool use_ioctl)
+{
+ char *path = get_index_filename(mnt_dir, id);
+ int cmd_fd = open_commands_file(mnt_dir);
+ int fd = open(path, O_RDWR | O_CLOEXEC);
+ struct incfs_permit_fill permit_fill = {
+ .file_descriptor = fd,
+ };
+ int error = 0;
+
+ if (fd < 0) {
+ print_error("Can't open file by id.");
+ error = -errno;
+ goto out;
+ }
+
+ if (use_ioctl && ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+ print_error("Failed to call PERMIT_FILL");
+ error = -errno;
+ goto out;
+ }
+
+ if (ioctl(fd, INCFS_IOC_PERMIT_FILL, &permit_fill) != -1) {
+ print_error(
+ "Successfully called PERMIT_FILL on non pending_read file");
+ return -errno;
+ goto out;
+ }
+
+out:
+ free(path);
+ close(cmd_fd);
+
+ if (error) {
+ close(fd);
+ return error;
+ }
+
+ return fd;
+}
+
+int get_file_attr(const char *mnt_dir, incfs_uuid_t id, char *value, int size)
+{
+ char *path = get_index_filename(mnt_dir, id);
+ int res;
+
+ res = getxattr(path, INCFS_XATTR_METADATA_NAME, value, size);
+ if (res < 0)
+ res = -errno;
+
+ free(path);
+ return res;
+}
+
+static bool same_id(incfs_uuid_t *id1, incfs_uuid_t *id2)
+{
+ return !memcmp(id1->bytes, id2->bytes, sizeof(id1->bytes));
+}
+
+ssize_t ZSTD_compress_default(char *data, char *comp_data, size_t data_size,
+ size_t comp_size)
+{
+ return ZSTD_compress(comp_data, comp_size, data, data_size, 1);
+}
+
+static int emit_test_blocks(const char *mnt_dir, struct test_file *file,
+ int blocks[], int count)
+{
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+ uint8_t comp_data[2 * INCFS_DATA_FILE_BLOCK_SIZE];
+ int block_count = (count > 32) ? 32 : count;
+ int data_buf_size = 2 * INCFS_DATA_FILE_BLOCK_SIZE * block_count;
+ uint8_t *data_buf = malloc(data_buf_size);
+ uint8_t *current_data = data_buf;
+ uint8_t *data_end = data_buf + data_buf_size;
+ struct incfs_fill_block *block_buf =
+ calloc(block_count, sizeof(struct incfs_fill_block));
+ struct incfs_fill_blocks fill_blocks = {
+ .count = block_count,
+ .fill_blocks = ptr_to_u64(block_buf),
+ };
+ ssize_t write_res = 0;
+ int fd = -1;
+ int error = 0;
+ int i = 0;
+ int blocks_written = 0;
+
+ for (i = 0; i < block_count; i++) {
+ int block_index = blocks[i];
+ bool compress_zstd = (file->index + block_index) % 4 == 2;
+ bool compress_lz4 = (file->index + block_index) % 4 == 0;
+ int seed = get_file_block_seed(file->index, block_index);
+ off_t block_offset =
+ ((off_t)block_index) * INCFS_DATA_FILE_BLOCK_SIZE;
+ size_t block_size = 0;
+
+ if (block_offset > file->size) {
+ error = -EINVAL;
+ break;
+ }
+ if (file->size - block_offset >
+ INCFS_DATA_FILE_BLOCK_SIZE)
+ block_size = INCFS_DATA_FILE_BLOCK_SIZE;
+ else
+ block_size = file->size - block_offset;
+
+ rnd_buf(data, block_size, seed);
+ if (compress_lz4) {
+ size_t comp_size = LZ4_compress_default((char *)data,
+ (char *)comp_data, block_size,
+ ARRAY_SIZE(comp_data));
+
+ if (comp_size <= 0) {
+ error = -EBADMSG;
+ break;
+ }
+ if (current_data + comp_size > data_end) {
+ error = -ENOMEM;
+ break;
+ }
+ memcpy(current_data, comp_data, comp_size);
+ block_size = comp_size;
+ block_buf[i].compression = COMPRESSION_LZ4;
+ } else if (compress_zstd) {
+ size_t comp_size = ZSTD_compress(comp_data,
+ ARRAY_SIZE(comp_data), data, block_size,
+ 1);
+
+ if (comp_size <= 0) {
+ error = -EBADMSG;
+ break;
+ }
+ if (current_data + comp_size > data_end) {
+ error = -ENOMEM;
+ break;
+ }
+ memcpy(current_data, comp_data, comp_size);
+ block_size = comp_size;
+ block_buf[i].compression = COMPRESSION_ZSTD;
+ } else {
+ if (current_data + block_size > data_end) {
+ error = -ENOMEM;
+ break;
+ }
+ memcpy(current_data, data, block_size);
+ block_buf[i].compression = COMPRESSION_NONE;
+ }
+
+ block_buf[i].block_index = block_index;
+ block_buf[i].data_len = block_size;
+ block_buf[i].data = ptr_to_u64(current_data);
+ current_data += block_size;
+ }
+
+ if (!error) {
+ fd = open_file_by_id(mnt_dir, file->id, false);
+ if (fd < 0) {
+ error = -errno;
+ goto out;
+ }
+ write_res = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+ if (write_res >= 0) {
+ ksft_print_msg("Wrote to file via normal fd error\n");
+ error = -EPERM;
+ goto out;
+ }
+
+ close(fd);
+ fd = open_file_by_id(mnt_dir, file->id, true);
+ if (fd < 0) {
+ error = -errno;
+ goto out;
+ }
+ write_res = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+ if (write_res < 0)
+ error = -errno;
+ else
+ blocks_written = write_res;
+ }
+ if (error) {
+ ksft_print_msg(
+ "Writing data block error. Write returned: %d. Error:%s\n",
+ write_res, strerror(-error));
+ }
+
+out:
+ free(block_buf);
+ free(data_buf);
+ close(fd);
+ return (error < 0) ? error : blocks_written;
+}
+
+static int emit_test_block(const char *mnt_dir, struct test_file *file,
+ int block_index)
+{
+ int res = emit_test_blocks(mnt_dir, file, &block_index, 1);
+
+ if (res == 0)
+ return -EINVAL;
+ if (res == 1)
+ return 0;
+ return res;
+}
+
+static void shuffle(int array[], int count, unsigned int seed)
+{
+ int i;
+
+ for (i = 0; i < count - 1; i++) {
+ int items_left = count - i;
+ int shuffle_index;
+ int v;
+
+ seed = 1103515245 * seed + 12345;
+ shuffle_index = i + seed % items_left;
+
+ v = array[shuffle_index];
+ array[shuffle_index] = array[i];
+ array[i] = v;
+ }
+}
+
+static int emit_test_file_data(const char *mount_dir, struct test_file *file)
+{
+ int i;
+ int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ int *block_indexes = NULL;
+ int result = 0;
+ int blocks_written = 0;
+
+ if (file->size == 0)
+ return 0;
+
+ block_indexes = calloc(block_cnt, sizeof(*block_indexes));
+ for (i = 0; i < block_cnt; i++)
+ block_indexes[i] = i;
+ shuffle(block_indexes, block_cnt, file->index);
+
+ for (i = 0; i < block_cnt; i += blocks_written) {
+ blocks_written = emit_test_blocks(mount_dir, file,
+ block_indexes + i, block_cnt - i);
+ if (blocks_written < 0) {
+ result = blocks_written;
+ goto out;
+ }
+ if (blocks_written == 0) {
+ result = -EIO;
+ goto out;
+ }
+ }
+out:
+ free(block_indexes);
+ return result;
+}
+
+static loff_t read_whole_file(const char *filename)
+{
+ int fd = -1;
+ loff_t result;
+ loff_t bytes_read = 0;
+ uint8_t buff[16 * 1024];
+
+ fd = open(filename, O_RDONLY | O_CLOEXEC);
+ if (fd <= 0)
+ return fd;
+
+ while (1) {
+ int read_result = read(fd, buff, ARRAY_SIZE(buff));
+
+ if (read_result < 0) {
+ print_error("Error during reading from a file.");
+ result = -errno;
+ goto cleanup;
+ } else if (read_result == 0)
+ break;
+
+ bytes_read += read_result;
+ }
+ result = bytes_read;
+
+cleanup:
+ close(fd);
+ return result;
+}
+
+static int read_test_file(uint8_t *buf, size_t len, char *filename,
+ int block_idx)
+{
+ int fd = -1;
+ int result;
+ int bytes_read = 0;
+ size_t bytes_to_read = len;
+ off_t offset = ((off_t)block_idx) * INCFS_DATA_FILE_BLOCK_SIZE;
+
+ fd = open(filename, O_RDONLY | O_CLOEXEC);
+ if (fd <= 0)
+ return fd;
+
+ if (lseek(fd, offset, SEEK_SET) != offset) {
+ print_error("Seek error");
+ return -errno;
+ }
+
+ while (bytes_read < bytes_to_read) {
+ int read_result =
+ read(fd, buf + bytes_read, bytes_to_read - bytes_read);
+ if (read_result < 0) {
+ result = -errno;
+ goto cleanup;
+ } else if (read_result == 0)
+ break;
+
+ bytes_read += read_result;
+ }
+ result = bytes_read;
+
+cleanup:
+ close(fd);
+ return result;
+}
+
+static char *create_backing_dir(const char *mount_dir)
+{
+ struct stat st;
+ char backing_dir_name[255];
+
+ snprintf(backing_dir_name, ARRAY_SIZE(backing_dir_name), "%s-src",
+ mount_dir);
+
+ if (stat(backing_dir_name, &st) == 0) {
+ if (S_ISDIR(st.st_mode)) {
+ int error = delete_dir_tree(backing_dir_name);
+
+ if (error) {
+ ksft_print_msg(
+ "Can't delete existing backing dir. %d\n",
+ error);
+ return NULL;
+ }
+ } else {
+ if (unlink(backing_dir_name)) {
+ print_error("Can't clear backing dir");
+ return NULL;
+ }
+ }
+ }
+
+ if (mkdir(backing_dir_name, 0777)) {
+ if (errno != EEXIST) {
+ print_error("Can't open/create backing dir");
+ return NULL;
+ }
+ }
+
+ return strdup(backing_dir_name);
+}
+
+static int validate_test_file_content_with_seed(const char *mount_dir,
+ struct test_file *file,
+ unsigned int shuffle_seed)
+{
+ int error = -1;
+ char *filename = concat_file_name(mount_dir, file->name);
+ off_t size = file->size;
+ loff_t actual_size = get_file_size(filename);
+ int block_cnt = 1 + (size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ int *block_indexes = NULL;
+ int i;
+
+ block_indexes = alloca(sizeof(int) * block_cnt);
+ for (i = 0; i < block_cnt; i++)
+ block_indexes[i] = i;
+
+ if (shuffle_seed != 0)
+ shuffle(block_indexes, block_cnt, shuffle_seed);
+
+ if (actual_size != size) {
+ ksft_print_msg(
+ "File size doesn't match. name: %s expected size:%ld actual size:%ld\n",
+ filename, size, actual_size);
+ error = -1;
+ goto failure;
+ }
+
+ for (i = 0; i < block_cnt; i++) {
+ int block_idx = block_indexes[i];
+ uint8_t expected_block[INCFS_DATA_FILE_BLOCK_SIZE];
+ uint8_t actual_block[INCFS_DATA_FILE_BLOCK_SIZE];
+ int seed = get_file_block_seed(file->index, block_idx);
+ size_t bytes_to_compare = min(
+ (off_t)INCFS_DATA_FILE_BLOCK_SIZE,
+ size - ((off_t)block_idx) * INCFS_DATA_FILE_BLOCK_SIZE);
+ int read_result =
+ read_test_file(actual_block, INCFS_DATA_FILE_BLOCK_SIZE,
+ filename, block_idx);
+ if (read_result < 0) {
+ ksft_print_msg(
+ "Error reading block %d from file %s. Error: %s\n",
+ block_idx, filename, strerror(-read_result));
+ error = read_result;
+ goto failure;
+ }
+ rnd_buf(expected_block, INCFS_DATA_FILE_BLOCK_SIZE, seed);
+ if (memcmp(expected_block, actual_block, bytes_to_compare)) {
+ ksft_print_msg(
+ "File contents don't match. name: %s block:%d\n",
+ file->name, block_idx);
+ error = -2;
+ goto failure;
+ }
+ }
+ free(filename);
+ return 0;
+
+failure:
+ free(filename);
+ return error;
+}
+
+static int validate_test_file_content(const char *mount_dir,
+ struct test_file *file)
+{
+ return validate_test_file_content_with_seed(mount_dir, file, 0);
+}
+
+static int data_producer(const char *mount_dir, struct test_files_set *test_set)
+{
+ int ret = 0;
+ int timeout_ms = 1000;
+ struct incfs_pending_read_info prs[100] = {};
+ int prs_size = ARRAY_SIZE(prs);
+ int fd = open_commands_file(mount_dir);
+
+ if (fd < 0)
+ return -errno;
+
+ while ((ret = wait_for_pending_reads(fd, timeout_ms, prs, prs_size)) >
+ 0) {
+ int read_count = ret;
+ int i;
+
+ for (i = 0; i < read_count; i++) {
+ int j = 0;
+ struct test_file *file = NULL;
+
+ for (j = 0; j < test_set->files_count; j++) {
+ bool same = same_id(&(test_set->files[j].id),
+ &(prs[i].file_id));
+
+ if (same) {
+ file = &test_set->files[j];
+ break;
+ }
+ }
+ if (!file) {
+ ksft_print_msg(
+ "Unknown file in pending reads.\n");
+ break;
+ }
+
+ ret = emit_test_block(mount_dir, file,
+ prs[i].block_index);
+ if (ret < 0) {
+ ksft_print_msg("Emitting test data error: %s\n",
+ strerror(-ret));
+ break;
+ }
+ }
+ }
+ close(fd);
+ return ret;
+}
+
+static int data_producer2(const char *mount_dir,
+ struct test_files_set *test_set)
+{
+ int ret = 0;
+ int timeout_ms = 1000;
+ struct incfs_pending_read_info2 prs[100] = {};
+ int prs_size = ARRAY_SIZE(prs);
+ int fd = open_commands_file(mount_dir);
+
+ if (fd < 0)
+ return -errno;
+
+ while ((ret = wait_for_pending_reads2(fd, timeout_ms, prs, prs_size)) >
+ 0) {
+ int read_count = ret;
+ int i;
+
+ for (i = 0; i < read_count; i++) {
+ int j = 0;
+ struct test_file *file = NULL;
+
+ for (j = 0; j < test_set->files_count; j++) {
+ bool same = same_id(&(test_set->files[j].id),
+ &(prs[i].file_id));
+
+ if (same) {
+ file = &test_set->files[j];
+ break;
+ }
+ }
+ if (!file) {
+ ksft_print_msg(
+ "Unknown file in pending reads.\n");
+ break;
+ }
+
+ ret = emit_test_block(mount_dir, file,
+ prs[i].block_index);
+ if (ret < 0) {
+ ksft_print_msg("Emitting test data error: %s\n",
+ strerror(-ret));
+ break;
+ }
+ }
+ }
+ close(fd);
+ return ret;
+}
+
+static int build_mtree(struct test_file *file)
+{
+ char data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+ const int digest_size = SHA256_DIGEST_SIZE;
+ const int hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+ int block_count = 0;
+ int hash_block_count = 0;
+ int total_tree_block_count = 0;
+ int tree_lvl_index[INCFS_MAX_MTREE_LEVELS] = {};
+ int tree_lvl_count[INCFS_MAX_MTREE_LEVELS] = {};
+ int levels_count = 0;
+ int i, level;
+
+ if (file->size == 0)
+ return 0;
+
+ block_count = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ hash_block_count = block_count;
+ for (i = 0; hash_block_count > 1; i++) {
+ hash_block_count = (hash_block_count + hash_per_block - 1)
+ / hash_per_block;
+ tree_lvl_count[i] = hash_block_count;
+ total_tree_block_count += hash_block_count;
+ }
+ levels_count = i;
+
+ for (i = 0; i < levels_count; i++) {
+ int prev_lvl_base = (i == 0) ? total_tree_block_count :
+ tree_lvl_index[i - 1];
+
+ tree_lvl_index[i] = prev_lvl_base - tree_lvl_count[i];
+ }
+
+ file->mtree_block_count = total_tree_block_count;
+ if (block_count == 1) {
+ int seed = get_file_block_seed(file->index, 0);
+
+ memset(data, 0, INCFS_DATA_FILE_BLOCK_SIZE);
+ rnd_buf((uint8_t *)data, file->size, seed);
+ sha256(data, INCFS_DATA_FILE_BLOCK_SIZE, file->root_hash);
+ return 0;
+ }
+
+ file->mtree = calloc(total_tree_block_count, sizeof(*file->mtree));
+ /* Build level 0 hashes. */
+ for (i = 0; i < block_count; i++) {
+ off_t offset = i * INCFS_DATA_FILE_BLOCK_SIZE;
+ size_t block_size = INCFS_DATA_FILE_BLOCK_SIZE;
+ int block_index = tree_lvl_index[0] +
+ i / hash_per_block;
+ int block_off = (i % hash_per_block) * digest_size;
+ int seed = get_file_block_seed(file->index, i);
+ char *hash_ptr = file->mtree[block_index].data + block_off;
+
+ if (file->size - offset < block_size) {
+ block_size = file->size - offset;
+ memset(data, 0, INCFS_DATA_FILE_BLOCK_SIZE);
+ }
+
+ rnd_buf((uint8_t *)data, block_size, seed);
+ sha256(data, INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+ }
+
+ /* Build higher levels of hash tree. */
+ for (level = 1; level < levels_count; level++) {
+ int prev_lvl_base = tree_lvl_index[level - 1];
+ int prev_lvl_count = tree_lvl_count[level - 1];
+
+ for (i = 0; i < prev_lvl_count; i++) {
+ int block_index =
+ i / hash_per_block + tree_lvl_index[level];
+ int block_off = (i % hash_per_block) * digest_size;
+ char *hash_ptr =
+ file->mtree[block_index].data + block_off;
+
+ sha256(file->mtree[i + prev_lvl_base].data,
+ INCFS_DATA_FILE_BLOCK_SIZE, hash_ptr);
+ }
+ }
+
+ /* Calculate root hash from the top block */
+ sha256(file->mtree[0].data,
+ INCFS_DATA_FILE_BLOCK_SIZE, file->root_hash);
+
+ return 0;
+}
+
+static int load_hash_tree(const char *mount_dir, struct test_file *file)
+{
+ int err;
+ int i;
+ int fd;
+ struct incfs_fill_blocks fill_blocks = {
+ .count = file->mtree_block_count,
+ };
+ struct incfs_fill_block *fill_block_array =
+ calloc(fill_blocks.count, sizeof(struct incfs_fill_block));
+
+ if (fill_blocks.count == 0)
+ return 0;
+
+ if (!fill_block_array)
+ return -ENOMEM;
+ fill_blocks.fill_blocks = ptr_to_u64(fill_block_array);
+
+ for (i = 0; i < fill_blocks.count; i++) {
+ fill_block_array[i] = (struct incfs_fill_block){
+ .block_index = i,
+ .data_len = INCFS_DATA_FILE_BLOCK_SIZE,
+ .data = ptr_to_u64(file->mtree[i].data),
+ .flags = INCFS_BLOCK_FLAGS_HASH
+ };
+ }
+
+ fd = open_file_by_id(mount_dir, file->id, false);
+ if (fd < 0) {
+ err = errno;
+ goto failure;
+ }
+
+ err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+ close(fd);
+ if (err >= 0) {
+ err = -EPERM;
+ goto failure;
+ }
+
+ fd = open_file_by_id(mount_dir, file->id, true);
+ if (fd < 0) {
+ err = errno;
+ goto failure;
+ }
+
+ err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+ close(fd);
+ if (err < fill_blocks.count)
+ err = errno;
+ else
+ err = 0;
+
+failure:
+ free(fill_block_array);
+ return err;
+}
+
+static int cant_touch_index_test(const char *mount_dir)
+{
+ char *file_name = "test_file";
+ int file_size = 123;
+ incfs_uuid_t file_id;
+ char *index_path = concat_file_name(mount_dir, ".index");
+ char *subdir = concat_file_name(index_path, "subdir");
+ char *dst_name = concat_file_name(mount_dir, "something");
+ char *filename_in_index = NULL;
+ char *file_path = concat_file_name(mount_dir, file_name);
+ char *backing_dir;
+ int cmd_fd = -1;
+ int err;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. */
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+ free(backing_dir);
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+
+ err = mkdir(subdir, 0777);
+ if (err == 0 || errno != EBUSY) {
+ print_error("Shouldn't be able to crate subdir in index\n");
+ goto failure;
+ }
+
+ err = rmdir(index_path);
+ if (err == 0 || errno != EBUSY) {
+ print_error(".index directory should not be removed\n");
+ goto failure;
+ }
+
+ err = emit_file(cmd_fd, ".index", file_name, &file_id,
+ file_size, NULL);
+ if (err != -EBUSY) {
+ print_error("Shouldn't be able to crate a file in index\n");
+ goto failure;
+ }
+
+ err = emit_file(cmd_fd, NULL, file_name, &file_id,
+ file_size, NULL);
+ if (err < 0)
+ goto failure;
+ filename_in_index = get_index_filename(mount_dir, file_id);
+
+ err = unlink(filename_in_index);
+ if (err == 0 || errno != EBUSY) {
+ print_error("Shouldn't be delete from index\n");
+ goto failure;
+ }
+
+
+ err = rename(filename_in_index, dst_name);
+ if (err == 0 || errno != EBUSY) {
+ print_error("Shouldn't be able to move from index\n");
+ goto failure;
+ }
+
+ free(filename_in_index);
+ filename_in_index = concat_file_name(index_path, "abc");
+ err = link(file_path, filename_in_index);
+ if (err == 0 || errno != EBUSY) {
+ print_error("Shouldn't be able to link inside index\n");
+ goto failure;
+ }
+
+ err = rename(index_path, dst_name);
+ if (err == 0 || errno != EBUSY) {
+ print_error("Shouldn't rename .index directory\n");
+ goto failure;
+ }
+
+ close(cmd_fd);
+ free(subdir);
+ free(index_path);
+ free(dst_name);
+ free(filename_in_index);
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ free(subdir);
+ free(dst_name);
+ free(index_path);
+ free(filename_in_index);
+ close(cmd_fd);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static bool iterate_directory(const char *dir_to_iterate, bool root,
+ int file_count)
+{
+ struct expected_name {
+ const char *name;
+ bool root_only;
+ bool found;
+ } names[] = {
+ {INCFS_LOG_FILENAME, true, false},
+ {INCFS_PENDING_READS_FILENAME, true, false},
+ {INCFS_BLOCKS_WRITTEN_FILENAME, true, false},
+ {".index", true, false},
+ {".incomplete", true, false},
+ {"..", false, false},
+ {".", false, false},
+ };
+
+ bool pass = true, found;
+ int i;
+
+ /* Test directory iteration */
+ int fd = open(dir_to_iterate, O_RDONLY | O_DIRECTORY | O_CLOEXEC);
+
+ if (fd < 0) {
+ print_error("Can't open directory\n");
+ return false;
+ }
+
+ for (;;) {
+ /* Enough space for one dirent - no name over 30 */
+ char buf[sizeof(struct linux_dirent64) + NAME_MAX];
+ struct linux_dirent64 *dirent = (struct linux_dirent64 *) buf;
+ int nread;
+ int i;
+
+ for (i = 0; i < NAME_MAX; ++i) {
+ nread = syscall(__NR_getdents64, fd, buf,
+ sizeof(struct linux_dirent64) + i);
+
+ if (nread >= 0)
+ break;
+ if (errno != EINVAL)
+ break;
+ }
+
+ if (nread == 0)
+ break;
+ if (nread < 0) {
+ print_error("Error iterating directory\n");
+ pass = false;
+ goto failure;
+ }
+
+ /* Expected size is rounded up to 8 byte boundary. Not sure if
+ * this is universal truth or just happenstance, but useful test
+ * for the moment
+ */
+ if (nread != (((sizeof(struct linux_dirent64)
+ + strlen(dirent->d_name) + 1) + 7) & ~7)) {
+ print_error("Wrong dirent size");
+ pass = false;
+ goto failure;
+ }
+
+ found = false;
+ for (i = 0; i < sizeof(names) / sizeof(*names); ++i)
+ if (!strcmp(dirent->d_name, names[i].name)) {
+ if (names[i].root_only && !root) {
+ print_error("Root file error");
+ pass = false;
+ goto failure;
+ }
+
+ if (names[i].found) {
+ print_error("File appears twice");
+ pass = false;
+ goto failure;
+ }
+
+ names[i].found = true;
+ found = true;
+ break;
+ }
+
+ if (!found)
+ --file_count;
+ }
+
+ for (i = 0; i < sizeof(names) / sizeof(*names); ++i) {
+ if (!names[i].found)
+ if (root || !names[i].root_only) {
+ print_error("Expected file not present");
+ pass = false;
+ goto failure;
+ }
+ }
+
+ if (file_count) {
+ print_error("Wrong number of files\n");
+ pass = false;
+ goto failure;
+ }
+
+failure:
+ close(fd);
+ return pass;
+}
+
+static int basic_file_ops_test(const char *mount_dir)
+{
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ char *subdir1 = concat_file_name(mount_dir, "subdir1");
+ char *subdir2 = concat_file_name(mount_dir, "subdir2");
+ char *backing_dir;
+ int cmd_fd = -1;
+ int i, err;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. */
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+ free(backing_dir);
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ err = mkdir(subdir1, 0777);
+ if (err < 0 && errno != EEXIST) {
+ print_error("Can't create subdir1\n");
+ goto failure;
+ }
+
+ err = mkdir(subdir2, 0777);
+ if (err < 0 && errno != EEXIST) {
+ print_error("Can't create subdir2\n");
+ goto failure;
+ }
+
+ /* Create all test files in subdir1 directory */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ loff_t size;
+ char *file_path = concat_file_name(subdir1, file->name);
+
+ err = emit_file(cmd_fd, "subdir1", file->name, &file->id,
+ file->size, NULL);
+ if (err < 0)
+ goto failure;
+
+ size = get_file_size(file_path);
+ free(file_path);
+ if (size != file->size) {
+ ksft_print_msg("Wrong size %lld of %s.\n",
+ size, file->name);
+ goto failure;
+ }
+ }
+
+ if (!iterate_directory(subdir1, false, file_num))
+ goto failure;
+
+ /* Link the files to subdir2 */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *src_name = concat_file_name(subdir1, file->name);
+ char *dst_name = concat_file_name(subdir2, file->name);
+ loff_t size;
+
+ err = link(src_name, dst_name);
+ if (err < 0) {
+ print_error("Can't move file\n");
+ goto failure;
+ }
+
+ size = get_file_size(dst_name);
+ if (size != file->size) {
+ ksft_print_msg("Wrong size %lld of %s.\n",
+ size, file->name);
+ goto failure;
+ }
+ free(src_name);
+ free(dst_name);
+ }
+
+ /* Move the files from subdir2 to the mount dir */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *src_name = concat_file_name(subdir2, file->name);
+ char *dst_name = concat_file_name(mount_dir, file->name);
+ loff_t size;
+
+ err = rename(src_name, dst_name);
+ if (err < 0) {
+ print_error("Can't move file\n");
+ goto failure;
+ }
+
+ size = get_file_size(dst_name);
+ if (size != file->size) {
+ ksft_print_msg("Wrong size %lld of %s.\n",
+ size, file->name);
+ goto failure;
+ }
+ free(src_name);
+ free(dst_name);
+ }
+
+ /* +2 because there are 2 subdirs */
+ if (!iterate_directory(mount_dir, true, file_num + 2))
+ goto failure;
+
+ /* Open and close all files from the mount dir */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *path = concat_file_name(mount_dir, file->name);
+ int fd;
+
+ fd = open(path, O_RDWR | O_CLOEXEC);
+ free(path);
+ if (fd <= 0) {
+ print_error("Can't open file");
+ goto failure;
+ }
+ if (close(fd)) {
+ print_error("Can't close file");
+ goto failure;
+ }
+ }
+
+ /* Delete all files from the mount dir */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *path = concat_file_name(mount_dir, file->name);
+
+ err = unlink(path);
+ free(path);
+ if (err < 0) {
+ print_error("Can't unlink file");
+ goto failure;
+ }
+ }
+
+ err = delete_dir_tree(subdir1);
+ if (err) {
+ ksft_print_msg("Error deleting subdir1 %d", err);
+ goto failure;
+ }
+
+ err = rmdir(subdir2);
+ if (err) {
+ print_error("Error deleting subdir2");
+ goto failure;
+ }
+
+ close(cmd_fd);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static int dynamic_files_and_data_test(const char *mount_dir)
+{
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ const int missing_file_idx = 5;
+ int cmd_fd = -1;
+ char *backing_dir;
+ int i;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. */
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+ free(backing_dir);
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Check that test files don't exist in the filesystem. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *filename = concat_file_name(mount_dir, file->name);
+
+ if (access(filename, F_OK) != -1) {
+ ksft_print_msg(
+ "File %s somehow already exists in a clean FS.\n",
+ filename);
+ goto failure;
+ }
+ free(filename);
+ }
+
+ /* Write test data into the command file. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ int res;
+
+ res = emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL);
+ if (res < 0) {
+ ksft_print_msg("Error %s emiting file %s.\n",
+ strerror(-res), file->name);
+ goto failure;
+ }
+
+ /* Skip writing data to one file so we can check */
+ /* that it's missing later. */
+ if (i == missing_file_idx)
+ continue;
+
+ res = emit_test_file_data(mount_dir, file);
+ if (res) {
+ ksft_print_msg("Error %s emiting data for %s.\n",
+ strerror(-res), file->name);
+ goto failure;
+ }
+ }
+
+ /* Validate contents of the FS */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (i == missing_file_idx) {
+ /* No data has been written to this file. */
+ /* Check for read error; */
+ uint8_t buf;
+ char *filename =
+ concat_file_name(mount_dir, file->name);
+ int res = read_test_file(&buf, 1, filename, 0);
+
+ free(filename);
+ if (res > 0) {
+ ksft_print_msg(
+ "Data present, even though never writtern.\n");
+ goto failure;
+ }
+ if (res != -ETIME) {
+ ksft_print_msg("Wrong error code: %d.\n", res);
+ goto failure;
+ }
+ } else {
+ if (validate_test_file_content(mount_dir, file) < 0)
+ goto failure;
+ }
+ }
+
+ close(cmd_fd);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static int concurrent_reads_and_writes_test(const char *mount_dir)
+{
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ /* Validate each file from that many child processes. */
+ const int child_multiplier = 3;
+ int cmd_fd = -1;
+ char *backing_dir;
+ int status;
+ int i;
+ pid_t producer_pid;
+ pid_t *child_pids = alloca(child_multiplier * file_num * sizeof(pid_t));
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. */
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+ free(backing_dir);
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Tell FS about the files, without actually providing the data. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ int res;
+
+ res = emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL);
+ if (res)
+ goto failure;
+ }
+
+ /* Start child processes acessing data in the files */
+ for (i = 0; i < file_num * child_multiplier; i++) {
+ struct test_file *file = &test.files[i / child_multiplier];
+ pid_t child_pid = flush_and_fork();
+
+ if (child_pid == 0) {
+ /* This is a child process, do the data validation. */
+ int ret = validate_test_file_content_with_seed(
+ mount_dir, file, i);
+ if (ret >= 0) {
+ /* Zero exit status if data is valid. */
+ exit(0);
+ }
+
+ /* Positive status if validation error found. */
+ exit(-ret);
+ } else if (child_pid > 0) {
+ child_pids[i] = child_pid;
+ } else {
+ print_error("Fork error");
+ goto failure;
+ }
+ }
+
+ producer_pid = flush_and_fork();
+ if (producer_pid == 0) {
+ int ret;
+ /*
+ * This is a child that should provide data to
+ * pending reads.
+ */
+
+ ret = data_producer(mount_dir, &test);
+ exit(-ret);
+ } else {
+ status = wait_for_process(producer_pid);
+ if (status != 0) {
+ ksft_print_msg("Data produces failed. %d(%s) ", status,
+ strerror(status));
+ goto failure;
+ }
+ }
+
+ /* Check that all children has finished with 0 exit status */
+ for (i = 0; i < file_num * child_multiplier; i++) {
+ struct test_file *file = &test.files[i / child_multiplier];
+
+ status = wait_for_process(child_pids[i]);
+ if (status != 0) {
+ ksft_print_msg(
+ "Validation for the file %s failed with code %d (%s)\n",
+ file->name, status, strerror(status));
+ goto failure;
+ }
+ }
+
+ /* Check that there are no pending reads left */
+ {
+ struct incfs_pending_read_info prs[1] = {};
+ int timeout = 0;
+ int read_count = wait_for_pending_reads(cmd_fd, timeout, prs,
+ ARRAY_SIZE(prs));
+
+ if (read_count) {
+ ksft_print_msg(
+ "Pending reads pending when all data written\n");
+ goto failure;
+ }
+ }
+
+ close(cmd_fd);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static int work_after_remount_test(const char *mount_dir)
+{
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ const int file_num_stage1 = file_num / 2;
+ const int file_num_stage2 = file_num;
+ char *backing_dir = NULL;
+ int i = 0;
+ int cmd_fd = -1;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. */
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Write first half of the data into the command file. (stage 1) */
+ for (i = 0; i < file_num_stage1; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL))
+ goto failure;
+
+ if (emit_test_file_data(mount_dir, file))
+ goto failure;
+ }
+
+ /* Unmount and mount again, to see that data is persistent. */
+ close(cmd_fd);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Write the second half of the data into the command file. (stage 2) */
+ for (; i < file_num_stage2; i++) {
+ struct test_file *file = &test.files[i];
+ int res = emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL);
+
+ if (res)
+ goto failure;
+
+ if (emit_test_file_data(mount_dir, file))
+ goto failure;
+ }
+
+ /* Validate contents of the FS */
+ for (i = 0; i < file_num_stage2; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (validate_test_file_content(mount_dir, file) < 0)
+ goto failure;
+ }
+
+ /* Delete all files */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *filename = concat_file_name(mount_dir, file->name);
+ char *filename_in_index = get_index_filename(mount_dir,
+ file->id);
+
+ if (access(filename, F_OK) != 0) {
+ ksft_print_msg("File %s is not visible.\n", filename);
+ goto failure;
+ }
+
+ if (access(filename_in_index, F_OK) != 0) {
+ ksft_print_msg("File %s is not visible.\n",
+ filename_in_index);
+ goto failure;
+ }
+
+ unlink(filename);
+
+ if (access(filename, F_OK) != -1) {
+ ksft_print_msg("File %s is still present.\n", filename);
+ goto failure;
+ }
+
+ if (access(filename_in_index, F_OK) != -1) {
+ ksft_print_msg("File %s is still present.\n",
+ filename_in_index);
+ goto failure;
+ }
+ free(filename);
+ free(filename_in_index);
+ }
+
+ /* Unmount and mount again, to see that deleted files stay deleted. */
+ close(cmd_fd);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Validate all deleted files are still deleted. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *filename = concat_file_name(mount_dir, file->name);
+
+ if (access(filename, F_OK) != -1) {
+ ksft_print_msg("File %s is still visible.\n", filename);
+ goto failure;
+ }
+ free(filename);
+ }
+
+ /* Final unmount */
+ close(cmd_fd);
+ free(backing_dir);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ free(backing_dir);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static int attribute_test(const char *mount_dir)
+{
+ char file_attr[] = "metadata123123";
+ char attr_buf[INCFS_MAX_FILE_ATTR_SIZE] = {};
+ int cmd_fd = -1;
+ incfs_uuid_t file_id;
+ int attr_res = 0;
+ char *backing_dir;
+
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. */
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ if (emit_file(cmd_fd, NULL, "file", &file_id, 12, file_attr))
+ goto failure;
+
+ /* Test attribute values */
+ attr_res = get_file_attr(mount_dir, file_id, attr_buf,
+ ARRAY_SIZE(attr_buf));
+ if (attr_res != strlen(file_attr)) {
+ ksft_print_msg("Get file attr error: %d\n", attr_res);
+ goto failure;
+ }
+ if (strcmp(attr_buf, file_attr) != 0) {
+ ksft_print_msg("Incorrect file attr value: '%s'", attr_buf);
+ goto failure;
+ }
+
+ /* Unmount and mount again, to see that attributes are persistent. */
+ close(cmd_fd);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Test attribute values again after remount*/
+ attr_res = get_file_attr(mount_dir, file_id, attr_buf,
+ ARRAY_SIZE(attr_buf));
+ if (attr_res != strlen(file_attr)) {
+ ksft_print_msg("Get dir attr error: %d\n", attr_res);
+ goto failure;
+ }
+ if (strcmp(attr_buf, file_attr) != 0) {
+ ksft_print_msg("Incorrect file attr value: '%s'", attr_buf);
+ goto failure;
+ }
+
+ /* Final unmount */
+ close(cmd_fd);
+ free(backing_dir);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ free(backing_dir);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static int child_procs_waiting_for_data_test(const char *mount_dir)
+{
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ int cmd_fd = -1;
+ int i;
+ pid_t *child_pids = alloca(file_num * sizeof(pid_t));
+ char *backing_dir;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. (10s wait time) */
+ if (mount_fs(mount_dir, backing_dir, 10000) != 0)
+ goto failure;
+
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Tell FS about the files, without actually providing the data. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL);
+ }
+
+ /* Start child processes acessing data in the files */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ pid_t child_pid = flush_and_fork();
+
+ if (child_pid == 0) {
+ /* This is a child process, do the data validation. */
+ int ret = validate_test_file_content(mount_dir, file);
+
+ if (ret >= 0) {
+ /* Zero exit status if data is valid. */
+ exit(0);
+ }
+
+ /* Positive status if validation error found. */
+ exit(-ret);
+ } else if (child_pid > 0) {
+ child_pids[i] = child_pid;
+ } else {
+ print_error("Fork error");
+ goto failure;
+ }
+ }
+
+ /* Write test data into the command file. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (emit_test_file_data(mount_dir, file))
+ goto failure;
+ }
+
+ /* Check that all children has finished with 0 exit status */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ int status = wait_for_process(child_pids[i]);
+
+ if (status != 0) {
+ ksft_print_msg(
+ "Validation for the file %s failed with code %d (%s)\n",
+ file->name, status, strerror(status));
+ goto failure;
+ }
+ }
+
+ close(cmd_fd);
+ free(backing_dir);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ free(backing_dir);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static int multiple_providers_test(const char *mount_dir)
+{
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ const int producer_count = 5;
+ int cmd_fd = -1;
+ int status;
+ int i;
+ pid_t *producer_pids = alloca(producer_count * sizeof(pid_t));
+ char *backing_dir;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. (10s wait time) */
+ if (mount_fs_opt(mount_dir, backing_dir,
+ "read_timeout_ms=10000,report_uid", false) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Tell FS about the files, without actually providing the data. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL) < 0)
+ goto failure;
+ }
+
+ /* Start producer processes */
+ for (i = 0; i < producer_count; i++) {
+ pid_t producer_pid = flush_and_fork();
+
+ if (producer_pid == 0) {
+ int ret;
+ /*
+ * This is a child that should provide data to
+ * pending reads.
+ */
+
+ ret = data_producer2(mount_dir, &test);
+ exit(-ret);
+ } else if (producer_pid > 0) {
+ producer_pids[i] = producer_pid;
+ } else {
+ print_error("Fork error");
+ goto failure;
+ }
+ }
+
+ /* Validate FS content */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ char *filename = concat_file_name(mount_dir, file->name);
+ loff_t read_result = read_whole_file(filename);
+
+ free(filename);
+ if (read_result != file->size) {
+ ksft_print_msg(
+ "Error validating file %s. Result: %ld\n",
+ file->name, read_result);
+ goto failure;
+ }
+ }
+
+ /* Check that all producers has finished with 0 exit status */
+ for (i = 0; i < producer_count; i++) {
+ status = wait_for_process(producer_pids[i]);
+ if (status != 0) {
+ ksft_print_msg("Producer %d failed with code (%s)\n", i,
+ strerror(status));
+ goto failure;
+ }
+ }
+
+ close(cmd_fd);
+ free(backing_dir);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ free(backing_dir);
+ umount(mount_dir);
+ return TEST_FAILURE;
+}
+
+static int validate_hash_tree(const char *mount_dir, struct test_file *file)
+{
+ int result = TEST_FAILURE;
+ char *filename = NULL;
+ int fd = -1;
+ unsigned char *buf;
+ int i, err;
+
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TEST(buf = malloc(INCFS_DATA_FILE_BLOCK_SIZE * 8), buf);
+
+ for (i = 0; i < file->mtree_block_count; ) {
+ int blocks_to_read = i % 7 + 1;
+ struct fsverity_read_metadata_arg args = {
+ .metadata_type = FS_VERITY_METADATA_TYPE_MERKLE_TREE,
+ .offset = i * INCFS_DATA_FILE_BLOCK_SIZE,
+ .length = blocks_to_read * INCFS_DATA_FILE_BLOCK_SIZE,
+ .buf_ptr = ptr_to_u64(buf),
+ };
+
+ TEST(err = ioctl(fd, FS_IOC_READ_VERITY_METADATA, &args),
+ err == min(args.length, (file->mtree_block_count - i) *
+ INCFS_DATA_FILE_BLOCK_SIZE));
+ TESTEQUAL(memcmp(buf, file->mtree[i].data, err), 0);
+
+ i += blocks_to_read;
+ }
+
+ result = TEST_SUCCESS;
+
+out:
+ free(buf);
+ close(fd);
+ free(filename);
+ return result;
+}
+
+static int hash_tree_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir;
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ const int corrupted_file_idx = 5;
+ int i = 0;
+ int cmd_fd = -1;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ /* Mount FS and release the backing file. */
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Write hashes and data. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+ int res;
+
+ build_mtree(file);
+ res = crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, file->root_hash,
+ file->sig.add_data);
+
+ if (i == corrupted_file_idx) {
+ /* Corrupt third blocks hash */
+ file->mtree[0].data[2 * SHA256_DIGEST_SIZE] ^= 0xff;
+ }
+ if (emit_test_file_data(mount_dir, file))
+ goto failure;
+
+ res = load_hash_tree(mount_dir, file);
+ if (res) {
+ ksft_print_msg("Can't load hashes for %s. error: %s\n",
+ file->name, strerror(-res));
+ goto failure;
+ }
+ }
+
+ /* Validate data */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (i == corrupted_file_idx) {
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+ char *filename =
+ concat_file_name(mount_dir, file->name);
+ int res;
+
+ res = read_test_file(data, INCFS_DATA_FILE_BLOCK_SIZE,
+ filename, 2);
+ free(filename);
+ if (res != -EBADMSG) {
+ ksft_print_msg("Hash violation missed1. %d\n",
+ res);
+ goto failure;
+ }
+ } else if (validate_test_file_content(mount_dir, file) < 0)
+ goto failure;
+ else if (validate_hash_tree(mount_dir, file) < 0)
+ goto failure;
+ }
+
+ /* Unmount and mount again, to that hashes are persistent. */
+ close(cmd_fd);
+ cmd_fd = -1;
+ if (umount(mount_dir) != 0) {
+ print_error("Can't unmout FS");
+ goto failure;
+ }
+ if (mount_fs(mount_dir, backing_dir, 50) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Validate data again */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (i == corrupted_file_idx) {
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+ char *filename =
+ concat_file_name(mount_dir, file->name);
+ int res;
+
+ res = read_test_file(data, INCFS_DATA_FILE_BLOCK_SIZE,
+ filename, 2);
+ free(filename);
+ if (res != -EBADMSG) {
+ ksft_print_msg("Hash violation missed2. %d\n",
+ res);
+ goto failure;
+ }
+ } else if (validate_test_file_content(mount_dir, file) < 0)
+ goto failure;
+ }
+ result = TEST_SUCCESS;
+
+failure:
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ free(file->mtree);
+ }
+
+ close(cmd_fd);
+ free(backing_dir);
+ umount(mount_dir);
+ return result;
+}
+
+enum expected_log { FULL_LOG, NO_LOG, PARTIAL_LOG };
+
+static int validate_logs(const char *mount_dir, int log_fd,
+ struct test_file *file,
+ enum expected_log expected_log,
+ bool report_uid, bool expect_data)
+{
+ int result = TEST_FAILURE;
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+ struct incfs_pending_read_info prs[2048] = {};
+ struct incfs_pending_read_info2 prs2[2048] = {};
+ struct incfs_pending_read_info *previous_record = NULL;
+ int prs_size = ARRAY_SIZE(prs);
+ int block_count = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ int expected_read_count, read_count, block_index, read_index;
+ char *filename = NULL;
+ int fd = -1;
+
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+ if (block_count > prs_size)
+ block_count = prs_size;
+ expected_read_count = block_count;
+
+ for (block_index = 0; block_index < block_count; block_index++) {
+ int result = pread(fd, data, sizeof(data),
+ INCFS_DATA_FILE_BLOCK_SIZE * block_index);
+
+ /* Make some read logs of type SAME_FILE_NEXT_BLOCK */
+ if (block_index % 100 == 10)
+ usleep(20000);
+
+ /* Skip some blocks to make logs of type SAME_FILE */
+ if (block_index % 10 == 5) {
+ ++block_index;
+ --expected_read_count;
+ }
+
+ if (expect_data)
+ TESTCOND(result > 0);
+
+ if (!expect_data)
+ TESTEQUAL(result, -1);
+ }
+
+ if (report_uid)
+ read_count = wait_for_pending_reads2(log_fd,
+ expected_log == NO_LOG ? 10 : 0,
+ prs2, prs_size);
+ else
+ read_count = wait_for_pending_reads(log_fd,
+ expected_log == NO_LOG ? 10 : 0,
+ prs, prs_size);
+
+ if (expected_log == NO_LOG)
+ TESTEQUAL(read_count, 0);
+
+ if (expected_log == PARTIAL_LOG)
+ TESTCOND(read_count > 0 &&
+ read_count <= expected_read_count);
+
+ if (expected_log == FULL_LOG)
+ TESTEQUAL(read_count, expected_read_count);
+
+ /* If read less than expected, advance block_index appropriately */
+ for (block_index = 0, read_index = 0;
+ read_index < expected_read_count - read_count;
+ block_index++, read_index++)
+ if (block_index % 10 == 5)
+ ++block_index;
+
+ for (read_index = 0; read_index < read_count;
+ block_index++, read_index++) {
+ struct incfs_pending_read_info *record = report_uid ?
+ (struct incfs_pending_read_info *) &prs2[read_index] :
+ &prs[read_index];
+
+ TESTCOND(same_id(&record->file_id, &file->id));
+ TESTEQUAL(record->block_index, block_index);
+ TESTNE(record->timestamp_us, 0);
+ if (previous_record)
+ TESTEQUAL(record->serial_number,
+ previous_record->serial_number + 1);
+
+ previous_record = record;
+ if (block_index % 10 == 5)
+ ++block_index;
+ }
+
+ result = TEST_SUCCESS;
+out:
+ close(fd);
+ free(filename);
+ return result;
+}
+
+static int read_log_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ int i = 0;
+ int cmd_fd = -1, log_fd = -1;
+ char *backing_dir = NULL;
+
+ /* Create files */
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+ "readahead=0,report_uid,read_timeout_ms=0",
+ false), 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL), 0);
+ }
+ close(cmd_fd);
+ cmd_fd = -1;
+
+ /* Validate logs */
+ TEST(log_fd = open_log_file(mount_dir), log_fd != -1);
+ for (i = 0; i < file_num; i++)
+ TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+ FULL_LOG, true, false), 0);
+
+ /* Unmount and mount again without report_uid */
+ close(log_fd);
+ log_fd = -1;
+ TESTEQUAL(umount(mount_dir), 0);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+ "readahead=0,read_timeout_ms=0", false), 0);
+
+ TEST(log_fd = open_log_file(mount_dir), log_fd != -1);
+ for (i = 0; i < file_num; i++)
+ TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+ FULL_LOG, false, false), 0);
+
+ /* No read log to make sure poll doesn't crash */
+ close(log_fd);
+ log_fd = -1;
+ TESTEQUAL(umount(mount_dir), 0);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+ "readahead=0,rlog_pages=0,read_timeout_ms=0",
+ false), 0);
+
+ TEST(log_fd = open_log_file(mount_dir), log_fd != -1);
+ for (i = 0; i < file_num; i++)
+ TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+ NO_LOG, false, false), 0);
+
+ /* Remount and check that logs start working again */
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+ "readahead=0,rlog_pages=1,read_timeout_ms=0",
+ true), 0);
+ for (i = 0; i < file_num; i++)
+ TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+ PARTIAL_LOG, false, false), 0);
+
+ /* Remount and check that logs continue working */
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+ "readahead=0,rlog_pages=4,read_timeout_ms=0",
+ true), 0);
+ for (i = 0; i < file_num; i++)
+ TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+ FULL_LOG, false, false), 0);
+
+ /* Check logs work with data */
+ for (i = 0; i < file_num; i++) {
+ TESTEQUAL(emit_test_file_data(mount_dir, &test.files[i]), 0);
+ TESTEQUAL(validate_logs(mount_dir, log_fd, &test.files[i],
+ FULL_LOG, false, true), 0);
+ }
+
+ /* Final unmount */
+ close(log_fd);
+ log_fd = -1;
+ TESTEQUAL(umount(mount_dir), 0);
+
+ result = TEST_SUCCESS;
+out:
+ close(cmd_fd);
+ close(log_fd);
+ free(backing_dir);
+ umount(mount_dir);
+ return result;
+}
+
+static int emit_partial_test_file_data(const char *mount_dir,
+ struct test_file *file)
+{
+ int i, j;
+ int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ int *block_indexes = NULL;
+ int result = 0;
+ int blocks_written = 0;
+ int bw_fd = -1;
+ char buffer[20];
+ struct pollfd pollfd;
+ long blocks_written_total, blocks_written_new_total;
+
+ if (file->size == 0)
+ return 0;
+
+ bw_fd = open_blocks_written_file(mount_dir);
+ if (bw_fd == -1)
+ return -errno;
+
+ result = read(bw_fd, buffer, sizeof(buffer));
+ if (result <= 0) {
+ result = -EIO;
+ goto out;
+ }
+
+ buffer[result] = 0;
+ blocks_written_total = strtol(buffer, NULL, 10);
+ result = 0;
+
+ pollfd = (struct pollfd) {
+ .fd = bw_fd,
+ .events = POLLIN,
+ };
+
+ result = poll(&pollfd, 1, 0);
+ if (result) {
+ result = -EIO;
+ goto out;
+ }
+
+ /* Emit 2 blocks, skip 2 blocks etc*/
+ block_indexes = calloc(block_cnt, sizeof(*block_indexes));
+ for (i = 0, j = 0; i < block_cnt; ++i)
+ if ((i & 2) == 0) {
+ block_indexes[j] = i;
+ ++j;
+ }
+
+ for (i = 0; i < j; i += blocks_written) {
+ blocks_written = emit_test_blocks(mount_dir, file,
+ block_indexes + i, j - i);
+ if (blocks_written < 0) {
+ result = blocks_written;
+ goto out;
+ }
+ if (blocks_written == 0) {
+ result = -EIO;
+ goto out;
+ }
+
+ result = poll(&pollfd, 1, 0);
+ if (result != 1 || pollfd.revents != POLLIN) {
+ result = -EIO;
+ goto out;
+ }
+
+ result = read(bw_fd, buffer, sizeof(buffer));
+ buffer[result] = 0;
+ blocks_written_new_total = strtol(buffer, NULL, 10);
+
+ if (blocks_written_new_total - blocks_written_total
+ != blocks_written) {
+ result = -EIO;
+ goto out;
+ }
+
+ blocks_written_total = blocks_written_new_total;
+ result = 0;
+ }
+out:
+ free(block_indexes);
+ close(bw_fd);
+ return result;
+}
+
+static int validate_ranges(const char *mount_dir, struct test_file *file)
+{
+ int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ char *filename = concat_file_name(mount_dir, file->name);
+ int fd;
+ struct incfs_filled_range ranges[128];
+ struct incfs_get_filled_blocks_args fba = {
+ .range_buffer = ptr_to_u64(ranges),
+ .range_buffer_size = sizeof(ranges),
+ };
+ int error = TEST_SUCCESS;
+ int i;
+ int range_cnt;
+ int cmd_fd = -1;
+ struct incfs_permit_fill permit_fill;
+
+ fd = open(filename, O_RDONLY | O_CLOEXEC);
+ free(filename);
+ if (fd <= 0)
+ return TEST_FAILURE;
+
+ error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+ if (error != -1 || errno != EPERM) {
+ ksft_print_msg("INCFS_IOC_GET_FILLED_BLOCKS not blocked\n");
+ error = -EPERM;
+ goto out;
+ }
+
+ cmd_fd = open_commands_file(mount_dir);
+ permit_fill.file_descriptor = fd;
+ if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+ print_error("INCFS_IOC_PERMIT_FILL failed");
+ return -EPERM;
+ goto out;
+ }
+
+ error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+ if (error && errno != ERANGE)
+ goto out;
+
+ if (error && errno == ERANGE && block_cnt < 509)
+ goto out;
+
+ if (!error && block_cnt >= 509) {
+ error = -ERANGE;
+ goto out;
+ }
+
+ if (fba.total_blocks_out != block_cnt) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (fba.data_blocks_out != block_cnt) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ range_cnt = (block_cnt + 3) / 4;
+ if (range_cnt > 128)
+ range_cnt = 128;
+ if (range_cnt != fba.range_buffer_size_out / sizeof(*ranges)) {
+ error = -ERANGE;
+ goto out;
+ }
+
+ error = TEST_SUCCESS;
+ for (i = 0; i < fba.range_buffer_size_out / sizeof(*ranges) - 1; ++i)
+ if (ranges[i].begin != i * 4 || ranges[i].end != i * 4 + 2) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (ranges[i].begin != i * 4 ||
+ (ranges[i].end != i * 4 + 1 && ranges[i].end != i * 4 + 2)) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < 64; ++i) {
+ fba.start_index = i * 2;
+ fba.end_index = i * 2 + 2;
+ error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+ if (error)
+ goto out;
+
+ if (fba.total_blocks_out != block_cnt) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (fba.start_index >= block_cnt) {
+ if (fba.index_out != fba.start_index) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ break;
+ }
+
+ if (i % 2) {
+ if (fba.range_buffer_size_out != 0) {
+ error = -EINVAL;
+ goto out;
+ }
+ } else {
+ if (fba.range_buffer_size_out != sizeof(*ranges)) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (ranges[0].begin != i * 2) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (ranges[0].end != i * 2 + 1 &&
+ ranges[0].end != i * 2 + 2) {
+ error = -EINVAL;
+ goto out;
+ }
+ }
+ }
+
+out:
+ close(fd);
+ close(cmd_fd);
+ return error;
+}
+
+static int get_blocks_test(const char *mount_dir)
+{
+ char *backing_dir;
+ int cmd_fd = -1;
+ int i;
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ /* Write data. */
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (emit_file(cmd_fd, NULL, file->name, &file->id, file->size,
+ NULL))
+ goto failure;
+
+ if (emit_partial_test_file_data(mount_dir, file))
+ goto failure;
+ }
+
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (validate_ranges(mount_dir, file))
+ goto failure;
+
+ /*
+ * The smallest files are filled completely, so this checks that
+ * the fast get_filled_blocks path is not causing issues
+ */
+ if (validate_ranges(mount_dir, file))
+ goto failure;
+ }
+
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return TEST_FAILURE;
+}
+
+static int emit_partial_test_file_hash(const char *mount_dir,
+ struct test_file *file)
+{
+ int err;
+ int fd;
+ struct incfs_fill_blocks fill_blocks = {
+ .count = 1,
+ };
+ struct incfs_fill_block *fill_block_array =
+ calloc(fill_blocks.count, sizeof(struct incfs_fill_block));
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+
+ if (file->size <= 4096 / 32 * 4096)
+ return 0;
+
+ if (!fill_block_array)
+ return -ENOMEM;
+ fill_blocks.fill_blocks = ptr_to_u64(fill_block_array);
+
+ rnd_buf(data, sizeof(data), 0);
+
+ fill_block_array[0] =
+ (struct incfs_fill_block){ .block_index = 1,
+ .data_len =
+ INCFS_DATA_FILE_BLOCK_SIZE,
+ .data = ptr_to_u64(data),
+ .flags = INCFS_BLOCK_FLAGS_HASH };
+
+ fd = open_file_by_id(mount_dir, file->id, true);
+ if (fd < 0) {
+ err = errno;
+ goto failure;
+ }
+
+ err = ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks);
+ close(fd);
+ if (err < fill_blocks.count)
+ err = errno;
+ else
+ err = 0;
+
+failure:
+ free(fill_block_array);
+ return err;
+}
+
+static int validate_hash_ranges(const char *mount_dir, struct test_file *file)
+{
+ int block_cnt = 1 + (file->size - 1) / INCFS_DATA_FILE_BLOCK_SIZE;
+ char *filename = concat_file_name(mount_dir, file->name);
+ int fd;
+ struct incfs_filled_range ranges[128];
+ struct incfs_get_filled_blocks_args fba = {
+ .range_buffer = ptr_to_u64(ranges),
+ .range_buffer_size = sizeof(ranges),
+ };
+ int error = TEST_SUCCESS;
+ int file_blocks = (file->size + INCFS_DATA_FILE_BLOCK_SIZE - 1) /
+ INCFS_DATA_FILE_BLOCK_SIZE;
+ int cmd_fd = -1;
+ struct incfs_permit_fill permit_fill;
+
+ if (file->size <= 4096 / 32 * 4096)
+ return 0;
+
+ fd = open(filename, O_RDONLY | O_CLOEXEC);
+ free(filename);
+ if (fd <= 0)
+ return TEST_FAILURE;
+
+ error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+ if (error != -1 || errno != EPERM) {
+ ksft_print_msg("INCFS_IOC_GET_FILLED_BLOCKS not blocked\n");
+ error = -EPERM;
+ goto out;
+ }
+
+ cmd_fd = open_commands_file(mount_dir);
+ permit_fill.file_descriptor = fd;
+ if (ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill)) {
+ print_error("INCFS_IOC_PERMIT_FILL failed");
+ return -EPERM;
+ goto out;
+ }
+
+ error = ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+ if (error)
+ goto out;
+
+ if (fba.total_blocks_out <= block_cnt) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (fba.data_blocks_out != block_cnt) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (fba.range_buffer_size_out != sizeof(struct incfs_filled_range)) {
+ error = -EINVAL;
+ goto out;
+ }
+
+ if (ranges[0].begin != file_blocks + 1 ||
+ ranges[0].end != file_blocks + 2) {
+ error = -EINVAL;
+ goto out;
+ }
+
+out:
+ close(cmd_fd);
+ close(fd);
+ return error;
+}
+
+static int get_hash_blocks_test(const char *mount_dir)
+{
+ char *backing_dir;
+ int cmd_fd = -1;
+ int i;
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, file->root_hash,
+ file->sig.add_data))
+ goto failure;
+
+ if (emit_partial_test_file_hash(mount_dir, file))
+ goto failure;
+ }
+
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ if (validate_hash_ranges(mount_dir, file))
+ goto failure;
+ }
+
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return TEST_SUCCESS;
+
+failure:
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return TEST_FAILURE;
+}
+
+static int large_file_test(const char *mount_dir)
+{
+ char *backing_dir;
+ int cmd_fd = -1;
+ int i;
+ int result = TEST_FAILURE;
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE] = {};
+ int block_count = 3LL * 1024 * 1024 * 1024 / INCFS_DATA_FILE_BLOCK_SIZE;
+ struct incfs_fill_block *block_buf =
+ calloc(block_count, sizeof(struct incfs_fill_block));
+ struct incfs_fill_blocks fill_blocks = {
+ .count = block_count,
+ .fill_blocks = ptr_to_u64(block_buf),
+ };
+ incfs_uuid_t id;
+ int fd = -1;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ if (emit_file(cmd_fd, NULL, "very_large_file", &id,
+ (uint64_t)block_count * INCFS_DATA_FILE_BLOCK_SIZE,
+ NULL) < 0)
+ goto failure;
+
+ for (i = 0; i < block_count; i++) {
+ block_buf[i].compression = COMPRESSION_NONE;
+ block_buf[i].block_index = i;
+ block_buf[i].data_len = INCFS_DATA_FILE_BLOCK_SIZE;
+ block_buf[i].data = ptr_to_u64(data);
+ }
+
+ fd = open_file_by_id(mount_dir, id, true);
+ if (fd < 0)
+ goto failure;
+
+ if (ioctl(fd, INCFS_IOC_FILL_BLOCKS, &fill_blocks) != block_count)
+ goto failure;
+
+ if (emit_file(cmd_fd, NULL, "very_very_large_file", &id, 1LL << 40,
+ NULL) < 0)
+ goto failure;
+
+ result = TEST_SUCCESS;
+
+failure:
+ close(fd);
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int validate_mapped_file(const char *orig_name, const char *name,
+ size_t size, size_t offset)
+{
+ struct stat st;
+ int orig_fd = -1, fd = -1;
+ size_t block;
+ int result = TEST_FAILURE;
+
+ if (stat(name, &st)) {
+ ksft_print_msg("Failed to stat %s with error %s\n",
+ name, strerror(errno));
+ goto failure;
+ }
+
+ if (size != st.st_size) {
+ ksft_print_msg("Mismatched file sizes for file %s - expected %llu, got %llu\n",
+ name, size, st.st_size);
+ goto failure;
+ }
+
+ fd = open(name, O_RDONLY | O_CLOEXEC);
+ if (fd == -1) {
+ ksft_print_msg("Failed to open %s with error %s\n", name,
+ strerror(errno));
+ goto failure;
+ }
+
+ orig_fd = open(orig_name, O_RDONLY | O_CLOEXEC);
+ if (orig_fd == -1) {
+ ksft_print_msg("Failed to open %s with error %s\n", orig_name,
+ strerror(errno));
+ goto failure;
+ }
+
+ for (block = 0; block < size; block += INCFS_DATA_FILE_BLOCK_SIZE) {
+ uint8_t orig_data[INCFS_DATA_FILE_BLOCK_SIZE];
+ uint8_t data[INCFS_DATA_FILE_BLOCK_SIZE];
+ ssize_t orig_read, mapped_read;
+
+ orig_read = pread(orig_fd, orig_data,
+ INCFS_DATA_FILE_BLOCK_SIZE, block + offset);
+ mapped_read = pread(fd, data, INCFS_DATA_FILE_BLOCK_SIZE,
+ block);
+
+ if (orig_read < mapped_read ||
+ mapped_read != min(size - block,
+ INCFS_DATA_FILE_BLOCK_SIZE)) {
+ ksft_print_msg("Failed to read enough data: %llu %llu %llu %lld %lld\n",
+ block, size, offset, orig_read,
+ mapped_read);
+ goto failure;
+ }
+
+ if (memcmp(orig_data, data, mapped_read)) {
+ ksft_print_msg("Data doesn't match: %llu %llu %llu %lld %lld\n",
+ block, size, offset, orig_read,
+ mapped_read);
+ goto failure;
+ }
+ }
+
+ result = TEST_SUCCESS;
+
+failure:
+ close(orig_fd);
+ close(fd);
+ return result;
+}
+
+static int mapped_file_test(const char *mount_dir)
+{
+ char *backing_dir;
+ int result = TEST_FAILURE;
+ int cmd_fd = -1;
+ int i;
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+
+ backing_dir = create_backing_dir(mount_dir);
+ if (!backing_dir)
+ goto failure;
+
+ if (mount_fs_opt(mount_dir, backing_dir, "readahead=0", false) != 0)
+ goto failure;
+
+ cmd_fd = open_commands_file(mount_dir);
+ if (cmd_fd < 0)
+ goto failure;
+
+ for (i = 0; i < file_num; ++i) {
+ struct test_file *file = &test.files[i];
+ size_t blocks = file->size / INCFS_DATA_FILE_BLOCK_SIZE;
+ size_t mapped_offset = blocks / 4 *
+ INCFS_DATA_FILE_BLOCK_SIZE;
+ size_t mapped_size = file->size / 4 * 3 - mapped_offset;
+ struct incfs_create_mapped_file_args mfa;
+ char mapped_file_name[FILENAME_MAX];
+ char orig_file_path[PATH_MAX];
+ char mapped_file_path[PATH_MAX];
+
+ if (emit_file(cmd_fd, NULL, file->name, &file->id, file->size,
+ NULL) < 0)
+ goto failure;
+
+ if (emit_test_file_data(mount_dir, file))
+ goto failure;
+
+ if (snprintf(mapped_file_name, ARRAY_SIZE(mapped_file_name),
+ "%s.mapped", file->name) < 0)
+ goto failure;
+
+ mfa = (struct incfs_create_mapped_file_args) {
+ .size = mapped_size,
+ .mode = 0664,
+ .file_name = ptr_to_u64(mapped_file_name),
+ .source_file_id = file->id,
+ .source_offset = mapped_offset,
+ };
+
+ result = ioctl(cmd_fd, INCFS_IOC_CREATE_MAPPED_FILE, &mfa);
+ if (result) {
+ ksft_print_msg(
+ "Failed to create mapped file with error %d\n",
+ result);
+ goto failure;
+ }
+
+ result = snprintf(orig_file_path,
+ ARRAY_SIZE(orig_file_path), "%s/%s",
+ mount_dir, file->name);
+
+ if (result < 0 || result >= ARRAY_SIZE(mapped_file_path)) {
+ result = TEST_FAILURE;
+ goto failure;
+ }
+
+ result = snprintf(mapped_file_path,
+ ARRAY_SIZE(mapped_file_path), "%s/%s",
+ mount_dir, mapped_file_name);
+
+ if (result < 0 || result >= ARRAY_SIZE(mapped_file_path)) {
+ result = TEST_FAILURE;
+ goto failure;
+ }
+
+ result = validate_mapped_file(orig_file_path, mapped_file_path,
+ mapped_size, mapped_offset);
+ if (result)
+ goto failure;
+ }
+
+failure:
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static const char v1_file[] = {
+ /* Header */
+ /* 0x00: Magic number */
+ 0x49, 0x4e, 0x43, 0x46, 0x53, 0x00, 0x00, 0x00,
+ /* 0x08: Version */
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x10: Header size */
+ 0x38, 0x00,
+ /* 0x12: Block size */
+ 0x00, 0x10,
+ /* 0x14: Flags */
+ 0x00, 0x00, 0x00, 0x00,
+ /* 0x18: First md offset */
+ 0x46, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x20: File size */
+ 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x28: UUID */
+ 0x8c, 0x7d, 0xd9, 0x22, 0xad, 0x47, 0x49, 0x4f,
+ 0xc0, 0x2c, 0x38, 0x8e, 0x12, 0xc0, 0x0e, 0xac,
+
+ /* 0x38: Attribute */
+ 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61,
+ 0x31, 0x32, 0x33, 0x31, 0x32, 0x33,
+
+ /* Attribute md record */
+ /* 0x46: Type */
+ 0x02,
+ /* 0x47: Size */
+ 0x25, 0x00,
+ /* 0x49: CRC */
+ 0x9a, 0xef, 0xef, 0x72,
+ /* 0x4d: Next md offset */
+ 0x75, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x55: Prev md offset */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x5d: fa_offset */
+ 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x65: fa_size */
+ 0x0e, 0x00,
+ /* 0x67: fa_crc */
+ 0xfb, 0x5e, 0x72, 0x89,
+
+ /* Blockmap table */
+ /* 0x6b: First 10-byte entry */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+
+ /* Blockmap md record */
+ /* 0x75: Type */
+ 0x01,
+ /* 0x76: Size */
+ 0x23, 0x00,
+ /* 0x78: CRC */
+ 0x74, 0x45, 0xd3, 0xb9,
+ /* 0x7c: Next md offset */
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x84: Prev md offset */
+ 0x46, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x8c: blockmap offset */
+ 0x6b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* 0x94: blockmap count */
+ 0x01, 0x00, 0x00, 0x00,
+};
+
+static int compatibility_test(const char *mount_dir)
+{
+ static const char *name = "file";
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ char *filename = NULL;
+ int fd = -1;
+ uint64_t size = 0x0c;
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TEST(filename = concat_file_name(backing_dir, name), filename);
+ TEST(fd = open(filename, O_CREAT | O_WRONLY | O_CLOEXEC, 0777),
+ fd != -1);
+ TESTEQUAL(write(fd, v1_file, sizeof(v1_file)), sizeof(v1_file));
+ TESTEQUAL(fsetxattr(fd, INCFS_XATTR_SIZE_NAME, &size, sizeof(size), 0),
+ 0);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 50), 0);
+ free(filename);
+ TEST(filename = concat_file_name(mount_dir, name), filename);
+ close(fd);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+ result = TEST_SUCCESS;
+out:
+ close(fd);
+ umount(mount_dir);
+ free(backing_dir);
+ free(filename);
+ return result;
+}
+
+static int zero_blocks_written_count(int fd, uint32_t data_blocks_written,
+ uint32_t hash_blocks_written)
+{
+ int test_result = TEST_FAILURE;
+ uint64_t offset;
+ uint8_t type;
+ uint32_t bw;
+
+ /* Get first md record */
+ TESTEQUAL(pread(fd, &offset, sizeof(offset), 24), sizeof(offset));
+
+ /* Find status md record */
+ for (;;) {
+ TESTNE(offset, 0);
+ TESTEQUAL(pread(fd, &type, sizeof(type), le64_to_cpu(offset)),
+ sizeof(type));
+ if (type == 4)
+ break;
+ TESTEQUAL(pread(fd, &offset, sizeof(offset),
+ le64_to_cpu(offset) + 7),
+ sizeof(offset));
+ }
+
+ /* Read blocks_written */
+ offset = le64_to_cpu(offset);
+ TESTEQUAL(pread(fd, &bw, sizeof(bw), offset + 23), sizeof(bw));
+ TESTEQUAL(le32_to_cpu(bw), data_blocks_written);
+ TESTEQUAL(pread(fd, &bw, sizeof(bw), offset + 27), sizeof(bw));
+ TESTEQUAL(le32_to_cpu(bw), hash_blocks_written);
+
+ /* Write out zero */
+ bw = 0;
+ TESTEQUAL(pwrite(fd, &bw, sizeof(bw), offset + 23), sizeof(bw));
+ TESTEQUAL(pwrite(fd, &bw, sizeof(bw), offset + 27), sizeof(bw));
+
+ test_result = TEST_SUCCESS;
+out:
+ return test_result;
+}
+
+static int validate_block_count(const char *mount_dir, const char *backing_dir,
+ struct test_file *file,
+ int total_data_blocks, int filled_data_blocks,
+ int total_hash_blocks, int filled_hash_blocks)
+{
+ char *filename = NULL;
+ char *backing_filename = NULL;
+ int fd = -1;
+ struct incfs_get_block_count_args bca = {};
+ int test_result = TEST_FAILURE;
+ struct incfs_filled_range ranges[128];
+ struct incfs_get_filled_blocks_args fba = {
+ .range_buffer = ptr_to_u64(ranges),
+ .range_buffer_size = sizeof(ranges),
+ };
+ int cmd_fd = -1;
+ struct incfs_permit_fill permit_fill;
+
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TEST(backing_filename = concat_file_name(backing_dir, file->name),
+ backing_filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+ TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+ TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+ TESTEQUAL(bca.filled_data_blocks_out, filled_data_blocks);
+ TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+ TESTEQUAL(bca.filled_hash_blocks_out, filled_hash_blocks);
+
+ close(fd);
+ TESTEQUAL(umount(mount_dir), 0);
+ TEST(fd = open(backing_filename, O_RDWR | O_CLOEXEC), fd != -1);
+ TESTEQUAL(zero_blocks_written_count(fd, filled_data_blocks,
+ filled_hash_blocks),
+ TEST_SUCCESS);
+ close(fd);
+ fd = -1;
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+ 0);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+ TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+ TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+ TESTEQUAL(bca.filled_data_blocks_out, 0);
+ TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+ TESTEQUAL(bca.filled_hash_blocks_out, 0);
+
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ permit_fill.file_descriptor = fd;
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_PERMIT_FILL, &permit_fill), 0);
+ do {
+ ioctl(fd, INCFS_IOC_GET_FILLED_BLOCKS, &fba);
+ fba.start_index = fba.index_out + 1;
+ } while (fba.index_out < fba.total_blocks_out);
+
+ TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+ TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+ TESTEQUAL(bca.filled_data_blocks_out, filled_data_blocks);
+ TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+ TESTEQUAL(bca.filled_hash_blocks_out, filled_hash_blocks);
+
+ test_result = TEST_SUCCESS;
+out:
+ close(cmd_fd);
+ close(fd);
+ free(filename);
+ free(backing_filename);
+ return test_result;
+}
+
+
+
+static int validate_data_block_count(const char *mount_dir,
+ const char *backing_dir,
+ struct test_file *file)
+{
+ const int total_data_blocks = 1 + (file->size - 1) /
+ INCFS_DATA_FILE_BLOCK_SIZE;
+ const int filled_data_blocks = (total_data_blocks + 1) / 2;
+
+ int test_result = TEST_FAILURE;
+ char *filename = NULL;
+ char *incomplete_filename = NULL;
+ struct stat stat_buf_incomplete, stat_buf_file;
+ int fd = -1;
+ struct incfs_get_block_count_args bca = {};
+ int i;
+
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TEST(incomplete_filename = get_incomplete_filename(mount_dir, file->id),
+ incomplete_filename);
+
+ TESTEQUAL(stat(filename, &stat_buf_file), 0);
+ TESTEQUAL(stat(incomplete_filename, &stat_buf_incomplete), 0);
+ TESTEQUAL(stat_buf_file.st_ino, stat_buf_incomplete.st_ino);
+ TESTEQUAL(stat_buf_file.st_nlink, 3);
+
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+ TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+ TESTEQUAL(bca.filled_data_blocks_out, 0);
+ TESTEQUAL(bca.total_hash_blocks_out, 0);
+ TESTEQUAL(bca.filled_hash_blocks_out, 0);
+
+ for (i = 0; i < total_data_blocks; i += 2)
+ TESTEQUAL(emit_test_block(mount_dir, file, i), 0);
+
+ TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+ TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+ TESTEQUAL(bca.filled_data_blocks_out, filled_data_blocks);
+ TESTEQUAL(bca.total_hash_blocks_out, 0);
+ TESTEQUAL(bca.filled_hash_blocks_out, 0);
+ close(fd);
+ fd = -1;
+
+ TESTEQUAL(validate_block_count(mount_dir, backing_dir, file,
+ total_data_blocks, filled_data_blocks,
+ 0, 0),
+ 0);
+
+ for (i = 1; i < total_data_blocks; i += 2)
+ TESTEQUAL(emit_test_block(mount_dir, file, i), 0);
+
+ TESTEQUAL(stat(incomplete_filename, &stat_buf_incomplete), -1);
+ TESTEQUAL(errno, ENOENT);
+
+ test_result = TEST_SUCCESS;
+out:
+ close(fd);
+ free(incomplete_filename);
+ free(filename);
+ return test_result;
+}
+
+static int data_block_count_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir;
+ int cmd_fd = -1;
+ int i;
+ struct test_files_set test = get_test_files_set();
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+ 0);
+
+ for (i = 0; i < test.files_count; ++i) {
+ struct test_file *file = &test.files[i];
+
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL),
+ 0);
+ close(cmd_fd);
+ cmd_fd = -1;
+
+ TESTEQUAL(validate_data_block_count(mount_dir, backing_dir,
+ file),
+ 0);
+ }
+
+ result = TEST_SUCCESS;
+out:
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int validate_hash_block_count(const char *mount_dir,
+ const char *backing_dir,
+ struct test_file *file)
+{
+ const int digest_size = SHA256_DIGEST_SIZE;
+ const int hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / digest_size;
+ const int total_data_blocks = 1 + (file->size - 1) /
+ INCFS_DATA_FILE_BLOCK_SIZE;
+
+ int result = TEST_FAILURE;
+ int hash_layer = total_data_blocks;
+ int total_hash_blocks = 0;
+ int filled_hash_blocks;
+ char *filename = NULL;
+ int fd = -1;
+ struct incfs_get_block_count_args bca = {};
+
+ while (hash_layer > 1) {
+ hash_layer = (hash_layer + hash_per_block - 1) / hash_per_block;
+ total_hash_blocks += hash_layer;
+ }
+ filled_hash_blocks = total_hash_blocks > 1 ? 1 : 0;
+
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+
+ TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+ TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+ TESTEQUAL(bca.filled_data_blocks_out, 0);
+ TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+ TESTEQUAL(bca.filled_hash_blocks_out, 0);
+
+ TESTEQUAL(emit_partial_test_file_hash(mount_dir, file), 0);
+
+ TESTEQUAL(ioctl(fd, INCFS_IOC_GET_BLOCK_COUNT, &bca), 0);
+ TESTEQUAL(bca.total_data_blocks_out, total_data_blocks);
+ TESTEQUAL(bca.filled_data_blocks_out, 0);
+ TESTEQUAL(bca.total_hash_blocks_out, total_hash_blocks);
+ TESTEQUAL(bca.filled_hash_blocks_out, filled_hash_blocks);
+ close(fd);
+ fd = -1;
+
+ if (filled_hash_blocks)
+ TESTEQUAL(validate_block_count(mount_dir, backing_dir, file,
+ total_data_blocks, 0,
+ total_hash_blocks, filled_hash_blocks),
+ 0);
+
+ result = TEST_SUCCESS;
+out:
+ close(fd);
+ free(filename);
+ return result;
+}
+
+static int hash_block_count_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir;
+ int cmd_fd = -1;
+ int i;
+ struct test_files_set test = get_test_files_set();
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+ 0);
+
+ for (i = 0; i < test.files_count; i++) {
+ struct test_file *file = &test.files[i];
+
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, file->root_hash,
+ file->sig.add_data),
+ 0);
+ close(cmd_fd);
+ cmd_fd = -1;
+
+ TESTEQUAL(validate_hash_block_count(mount_dir, backing_dir,
+ &test.files[i]),
+ 0);
+ }
+
+ result = TEST_SUCCESS;
+out:
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int is_close(struct timespec *start, int expected_ms)
+{
+ const int allowed_variance = 100;
+ int result = TEST_FAILURE;
+ struct timespec finish;
+ int diff;
+
+ TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &finish), 0);
+ diff = (finish.tv_sec - start->tv_sec) * 1000 +
+ (finish.tv_nsec - start->tv_nsec) / 1000000;
+
+ TESTCOND(diff >= expected_ms - allowed_variance);
+ TESTCOND(diff <= expected_ms + allowed_variance);
+ result = TEST_SUCCESS;
+out:
+ return result;
+}
+
+static int per_uid_read_timeouts_test(const char *mount_dir)
+{
+ struct test_file file = {
+ .name = "file",
+ .size = 16 * INCFS_DATA_FILE_BLOCK_SIZE
+ };
+
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ int pid = -1;
+ int cmd_fd = -1;
+ char *filename = NULL;
+ int fd = -1;
+ struct timespec start;
+ char buffer[4096];
+ struct incfs_per_uid_read_timeouts purt_get[1];
+ struct incfs_get_read_timeouts_args grt = {
+ ptr_to_u64(purt_get),
+ sizeof(purt_get)
+ };
+ struct incfs_per_uid_read_timeouts purt_set[] = {
+ {
+ .uid = 0,
+ .min_time_us = 1000000,
+ .min_pending_time_us = 2000000,
+ .max_pending_time_us = 3000000,
+ },
+ };
+ struct incfs_set_read_timeouts_args srt = {
+ ptr_to_u64(purt_set),
+ sizeof(purt_set)
+ };
+ int status;
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+ "read_timeout_ms=1000,readahead=0", false), 0);
+
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size,
+ NULL), 0);
+
+ TEST(filename = concat_file_name(mount_dir, file.name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC), 0);
+
+ /* Default mount options read failure is 1000 */
+ TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+ TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+ TESTEQUAL(is_close(&start, 1000), 0);
+
+ grt.timeouts_array_size = 0;
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), 0);
+ TESTEQUAL(grt.timeouts_array_size_out, 0);
+
+ /* Set it to 3000 */
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+ TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+ TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+ TESTEQUAL(is_close(&start, 3000), 0);
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), -1);
+ TESTEQUAL(errno, E2BIG);
+ TESTEQUAL(grt.timeouts_array_size_out, sizeof(purt_get));
+ grt.timeouts_array_size = sizeof(purt_get);
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), 0);
+ TESTEQUAL(grt.timeouts_array_size_out, sizeof(purt_get));
+ TESTEQUAL(purt_get[0].uid, purt_set[0].uid);
+ TESTEQUAL(purt_get[0].min_time_us, purt_set[0].min_time_us);
+ TESTEQUAL(purt_get[0].min_pending_time_us,
+ purt_set[0].min_pending_time_us);
+ TESTEQUAL(purt_get[0].max_pending_time_us,
+ purt_set[0].max_pending_time_us);
+
+ /* Still 1000 in UID 2 */
+ TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+ TEST(pid = fork(), pid != -1);
+ if (pid == 0) {
+ TESTEQUAL(setuid(2), 0);
+ TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+ exit(0);
+ }
+ TESTNE(wait(&status), -1);
+ TESTEQUAL(WEXITSTATUS(status), 0);
+ TESTEQUAL(is_close(&start, 1000), 0);
+
+ /* Set it to default */
+ purt_set[0].max_pending_time_us = UINT32_MAX;
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+ TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+ TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), -1);
+ TESTEQUAL(is_close(&start, 1000), 0);
+
+ /* Test min read time */
+ TESTEQUAL(emit_test_block(mount_dir, &file, 0), 0);
+ TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+ TESTEQUAL(pread(fd, buffer, sizeof(buffer), 0), sizeof(buffer));
+ TESTEQUAL(is_close(&start, 1000), 0);
+
+ /* Test min pending time */
+ purt_set[0].uid = 2;
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+ TESTEQUAL(clock_gettime(CLOCK_MONOTONIC, &start), 0);
+ TEST(pid = fork(), pid != -1);
+ if (pid == 0) {
+ TESTEQUAL(setuid(2), 0);
+ TESTEQUAL(pread(fd, buffer, sizeof(buffer), sizeof(buffer)),
+ sizeof(buffer));
+ exit(0);
+ }
+ sleep(1);
+ TESTEQUAL(emit_test_block(mount_dir, &file, 1), 0);
+ TESTNE(wait(&status), -1);
+ TESTEQUAL(WEXITSTATUS(status), 0);
+ TESTEQUAL(is_close(&start, 2000), 0);
+
+ /* Clear timeouts */
+ srt.timeouts_array_size = 0;
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+ grt.timeouts_array_size = 0;
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_READ_TIMEOUTS, &grt), 0);
+ TESTEQUAL(grt.timeouts_array_size_out, 0);
+
+ result = TEST_SUCCESS;
+out:
+ close(fd);
+
+ if (pid == 0)
+ exit(result);
+
+ free(filename);
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+#define DIRS 3
+static int inotify_test(const char *mount_dir)
+{
+ const char *mapped_file_name = "mapped_name";
+ struct test_file file = {
+ .name = "file",
+ .size = 16 * INCFS_DATA_FILE_BLOCK_SIZE
+ };
+
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL, *index_dir = NULL, *incomplete_dir = NULL;
+ char *file_name = NULL;
+ int cmd_fd = -1;
+ int notify_fd = -1;
+ int wds[DIRS];
+ char buffer[DIRS * (sizeof(struct inotify_event) + NAME_MAX + 1)];
+ char *ptr = buffer;
+ struct inotify_event *event;
+ struct inotify_event *events[DIRS] = {};
+ const char *names[DIRS] = {};
+ int res;
+ char id[sizeof(incfs_uuid_t) * 2 + 1];
+ struct incfs_create_mapped_file_args mfa;
+
+ /* File creation triggers inotify events in .index and .incomplete? */
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TEST(index_dir = concat_file_name(mount_dir, ".index"), index_dir);
+ TEST(incomplete_dir = concat_file_name(mount_dir, ".incomplete"),
+ incomplete_dir);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 50), 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TEST(notify_fd = inotify_init1(IN_NONBLOCK | IN_CLOEXEC),
+ notify_fd != -1);
+ TEST(wds[0] = inotify_add_watch(notify_fd, mount_dir,
+ IN_CREATE | IN_DELETE),
+ wds[0] != -1);
+ TEST(wds[1] = inotify_add_watch(notify_fd, index_dir,
+ IN_CREATE | IN_DELETE),
+ wds[1] != -1);
+ TEST(wds[2] = inotify_add_watch(notify_fd, incomplete_dir,
+ IN_CREATE | IN_DELETE),
+ wds[2] != -1);
+ TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size,
+ NULL), 0);
+ TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+
+ while (ptr < buffer + res) {
+ int i;
+
+ event = (struct inotify_event *) ptr;
+ TESTCOND(ptr + sizeof(*event) <= buffer + res);
+ for (i = 0; i < DIRS; ++i)
+ if (event->wd == wds[i]) {
+ TESTEQUAL(events[i], NULL);
+ events[i] = event;
+ ptr += sizeof(*event);
+ names[i] = ptr;
+ ptr += events[i]->len;
+ TESTCOND(ptr <= buffer + res);
+ break;
+ }
+ TESTCOND(i < DIRS);
+ }
+
+ TESTNE(events[0], NULL);
+ TESTNE(events[1], NULL);
+ TESTNE(events[2], NULL);
+
+ bin2hex(id, file.id.bytes, sizeof(incfs_uuid_t));
+
+ TESTEQUAL(events[0]->mask, IN_CREATE);
+ TESTEQUAL(events[1]->mask, IN_CREATE);
+ TESTEQUAL(events[2]->mask, IN_CREATE);
+ TESTEQUAL(strcmp(names[0], file.name), 0);
+ TESTEQUAL(strcmp(names[1], id), 0);
+ TESTEQUAL(strcmp(names[2], id), 0);
+
+ /* Creating a mapped file triggers inotify event */
+ mfa = (struct incfs_create_mapped_file_args) {
+ .size = INCFS_DATA_FILE_BLOCK_SIZE,
+ .mode = 0664,
+ .file_name = ptr_to_u64(mapped_file_name),
+ .source_file_id = file.id,
+ .source_offset = INCFS_DATA_FILE_BLOCK_SIZE,
+ };
+
+ TEST(res = ioctl(cmd_fd, INCFS_IOC_CREATE_MAPPED_FILE, &mfa),
+ res != -1);
+ TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+ event = (struct inotify_event *) buffer;
+ TESTEQUAL(event->wd, wds[0]);
+ TESTEQUAL(event->mask, IN_CREATE);
+ TESTEQUAL(strcmp(event->name, mapped_file_name), 0);
+
+ /* File completion triggers inotify event in .incomplete? */
+ TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+ TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+ event = (struct inotify_event *) buffer;
+ TESTEQUAL(event->wd, wds[2]);
+ TESTEQUAL(event->mask, IN_DELETE);
+ TESTEQUAL(strcmp(event->name, id), 0);
+
+ /* File unlinking triggers inotify event in .index? */
+ TEST(file_name = concat_file_name(mount_dir, file.name), file_name);
+ TESTEQUAL(unlink(file_name), 0);
+ TEST(res = read(notify_fd, buffer, sizeof(buffer)), res != -1);
+ memset(events, 0, sizeof(events));
+ memset(names, 0, sizeof(names));
+ for (ptr = buffer; ptr < buffer + res;) {
+ event = (struct inotify_event *) ptr;
+ int i;
+
+ TESTCOND(ptr + sizeof(*event) <= buffer + res);
+ for (i = 0; i < DIRS; ++i)
+ if (event->wd == wds[i]) {
+ TESTEQUAL(events[i], NULL);
+ events[i] = event;
+ ptr += sizeof(*event);
+ names[i] = ptr;
+ ptr += events[i]->len;
+ TESTCOND(ptr <= buffer + res);
+ break;
+ }
+ TESTCOND(i < DIRS);
+ }
+
+ TESTNE(events[0], NULL);
+ TESTNE(events[1], NULL);
+ TESTEQUAL(events[2], NULL);
+
+ TESTEQUAL(events[0]->mask, IN_DELETE);
+ TESTEQUAL(events[1]->mask, IN_DELETE);
+ TESTEQUAL(strcmp(names[0], file.name), 0);
+ TESTEQUAL(strcmp(names[1], id), 0);
+
+ result = TEST_SUCCESS;
+out:
+ free(file_name);
+ close(notify_fd);
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ free(index_dir);
+ free(incomplete_dir);
+ return result;
+}
+
+static EVP_PKEY *create_key(void)
+{
+ EVP_PKEY *pkey = NULL;
+ RSA *rsa = NULL;
+ BIGNUM *bn = NULL;
+
+ pkey = EVP_PKEY_new();
+ if (!pkey)
+ goto fail;
+
+ bn = BN_new();
+ BN_set_word(bn, RSA_F4);
+
+ rsa = RSA_new();
+ if (!rsa)
+ goto fail;
+
+ RSA_generate_key_ex(rsa, 4096, bn, NULL);
+ EVP_PKEY_assign_RSA(pkey, rsa);
+
+ BN_free(bn);
+ return pkey;
+
+fail:
+ BN_free(bn);
+ EVP_PKEY_free(pkey);
+ return NULL;
+}
+
+static X509 *get_cert(EVP_PKEY *key)
+{
+ X509 *x509 = NULL;
+ X509_NAME *name = NULL;
+
+ x509 = X509_new();
+ if (!x509)
+ return NULL;
+
+ ASN1_INTEGER_set(X509_get_serialNumber(x509), 1);
+ X509_gmtime_adj(X509_get_notBefore(x509), 0);
+ X509_gmtime_adj(X509_get_notAfter(x509), 31536000L);
+ X509_set_pubkey(x509, key);
+
+ name = X509_get_subject_name(x509);
+ X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC,
+ (const unsigned char *)"US", -1, -1, 0);
+ X509_NAME_add_entry_by_txt(name, "ST", MBSTRING_ASC,
+ (const unsigned char *)"CA", -1, -1, 0);
+ X509_NAME_add_entry_by_txt(name, "L", MBSTRING_ASC,
+ (const unsigned char *)"San Jose", -1, -1, 0);
+ X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC,
+ (const unsigned char *)"Example", -1, -1, 0);
+ X509_NAME_add_entry_by_txt(name, "OU", MBSTRING_ASC,
+ (const unsigned char *)"Org", -1, -1, 0);
+ X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC,
+ (const unsigned char *)"www.example.com", -1, -1, 0);
+ X509_set_issuer_name(x509, name);
+
+ if (!X509_sign(x509, key, EVP_sha256()))
+ return NULL;
+
+ return x509;
+}
+
+static int sign(EVP_PKEY *key, X509 *cert, const char *data, size_t len,
+ unsigned char **sig, size_t *sig_len)
+{
+ const int pkcs7_flags = PKCS7_BINARY | PKCS7_NOATTR | PKCS7_PARTIAL |
+ PKCS7_DETACHED;
+ const EVP_MD *md = EVP_sha256();
+
+ int result = TEST_FAILURE;
+
+ BIO *bio = NULL;
+ PKCS7 *p7 = NULL;
+ unsigned char *bio_buffer;
+
+ TEST(bio = BIO_new_mem_buf(data, len), bio);
+ TEST(p7 = PKCS7_sign(NULL, NULL, NULL, bio, pkcs7_flags), p7);
+ TESTNE(PKCS7_sign_add_signer(p7, cert, key, md, pkcs7_flags), 0);
+ TESTEQUAL(PKCS7_final(p7, bio, pkcs7_flags), 1);
+ TEST(*sig_len = i2d_PKCS7(p7, NULL), *sig_len);
+ TEST(bio_buffer = malloc(*sig_len), bio_buffer);
+ *sig = bio_buffer;
+ TEST(*sig_len = i2d_PKCS7(p7, &bio_buffer), *sig_len);
+ TESTEQUAL(PKCS7_verify(p7, NULL, NULL, bio, NULL,
+ pkcs7_flags | PKCS7_NOVERIFY | PKCS7_NOSIGS), 1);
+
+ result = TEST_SUCCESS;
+out:
+ PKCS7_free(p7);
+ BIO_free(bio);
+ return result;
+}
+
+static int verity_installed(const char *mount_dir, int cmd_fd, bool *installed)
+{
+ int result = TEST_FAILURE;
+ char *filename = NULL;
+ int fd = -1;
+ struct test_file *file = &get_test_files_set().files[0];
+
+ TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id, file->size,
+ NULL), 0);
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(ioctl(fd, FS_IOC_ENABLE_VERITY, NULL), -1);
+ *installed = errno != EOPNOTSUPP;
+
+ result = TEST_SUCCESS;
+out:
+ close(fd);
+ if (filename)
+ remove(filename);
+ free(filename);
+ return result;
+}
+
+static int enable_verity(const char *mount_dir, struct test_file *file,
+ EVP_PKEY *key, X509 *cert, bool use_signatures)
+{
+ int result = TEST_FAILURE;
+ char *filename = NULL;
+ int fd = -1;
+ struct fsverity_enable_arg fear = {
+ .version = 1,
+ .hash_algorithm = FS_VERITY_HASH_ALG_SHA256,
+ .block_size = INCFS_DATA_FILE_BLOCK_SIZE,
+ .sig_size = 0,
+ .sig_ptr = 0,
+ };
+ struct {
+ __u8 version; /* must be 1 */
+ __u8 hash_algorithm; /* Merkle tree hash algorithm */
+ __u8 log_blocksize; /* log2 of size of data and tree blocks */
+ __u8 salt_size; /* size of salt in bytes; 0 if none */
+ __le32 sig_size; /* must be 0 */
+ __le64 data_size; /* size of file the Merkle tree is built over */
+ __u8 root_hash[64]; /* Merkle tree root hash */
+ __u8 salt[32]; /* salt prepended to each hashed block */
+ __u8 __reserved[144]; /* must be 0's */
+ } __packed fsverity_descriptor = {
+ .version = 1,
+ .hash_algorithm = 1,
+ .log_blocksize = 12,
+ .data_size = file->size,
+ };
+ struct {
+ char magic[8]; /* must be "FSVerity" */
+ __le16 digest_algorithm;
+ __le16 digest_size;
+ __u8 digest[32];
+ } __packed fsverity_signed_digest = {
+ .digest_algorithm = 1,
+ .digest_size = 32
+ };
+ unsigned char *sig = NULL;
+ size_t sig_size = 0;
+ uint64_t flags;
+ struct statx statxbuf = {};
+
+ memcpy(fsverity_signed_digest.magic, "FSVerity", 8);
+
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TESTEQUAL(syscall(__NR_statx, AT_FDCWD, filename, 0, STATX_ALL,
+ &statxbuf), 0);
+ TESTEQUAL(statxbuf.stx_attributes_mask & STATX_ATTR_VERITY,
+ STATX_ATTR_VERITY);
+ TESTEQUAL(statxbuf.stx_attributes & STATX_ATTR_VERITY, 0);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(ioctl(fd, FS_IOC_GETFLAGS, &flags), 0);
+ TESTEQUAL(flags & FS_VERITY_FL, 0);
+
+ /* First try to enable verity with random digest */
+ if (key) {
+ TESTEQUAL(sign(key, cert, (void *)&fsverity_signed_digest,
+ sizeof(fsverity_signed_digest), &sig, &sig_size),
+ 0);
+
+ fear.sig_size = sig_size;
+ fear.sig_ptr = ptr_to_u64(sig);
+ TESTEQUAL(ioctl(fd, FS_IOC_ENABLE_VERITY, &fear), -1);
+ }
+
+ /* Now try with correct digest */
+ memcpy(fsverity_descriptor.root_hash, file->root_hash, 32);
+ sha256((char *)&fsverity_descriptor, sizeof(fsverity_descriptor),
+ (char *)fsverity_signed_digest.digest);
+
+ if (ioctl(fd, FS_IOC_ENABLE_VERITY, NULL) == -1 &&
+ errno == EOPNOTSUPP) {
+ result = TEST_SUCCESS;
+ goto out;
+ }
+
+ free(sig);
+ sig = NULL;
+
+ if (key)
+ TESTEQUAL(sign(key, cert, (void *)&fsverity_signed_digest,
+ sizeof(fsverity_signed_digest),
+ &sig, &sig_size),
+ 0);
+
+ if (use_signatures) {
+ fear.sig_size = sig_size;
+ file->verity_sig_size = sig_size;
+ fear.sig_ptr = ptr_to_u64(sig);
+ file->verity_sig = sig;
+ sig = NULL;
+ } else {
+ fear.sig_size = 0;
+ fear.sig_ptr = 0;
+ }
+ TESTEQUAL(ioctl(fd, FS_IOC_ENABLE_VERITY, &fear), 0);
+
+ result = TEST_SUCCESS;
+out:
+ free(sig);
+ close(fd);
+ free(filename);
+ return result;
+}
+
+static int memzero(const unsigned char *buf, size_t size)
+{
+ size_t i;
+
+ for (i = 0; i < size; ++i)
+ if (buf[i])
+ return -1;
+ return 0;
+}
+
+static int validate_verity(const char *mount_dir, struct test_file *file)
+{
+ int result = TEST_FAILURE;
+ char *filename = concat_file_name(mount_dir, file->name);
+ int fd = -1;
+ uint64_t flags;
+ struct fsverity_digest *digest;
+ struct statx statxbuf = {};
+ struct fsverity_read_metadata_arg frma = {};
+ uint8_t *buf = NULL;
+ struct fsverity_descriptor desc;
+
+ TEST(digest = malloc(sizeof(struct fsverity_digest) +
+ INCFS_MAX_HASH_SIZE), digest != NULL);
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TESTEQUAL(syscall(__NR_statx, AT_FDCWD, filename, 0, STATX_ALL,
+ &statxbuf), 0);
+ TESTEQUAL(statxbuf.stx_attributes & STATX_ATTR_VERITY,
+ STATX_ATTR_VERITY);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(ioctl(fd, FS_IOC_GETFLAGS, &flags), 0);
+ TESTEQUAL(flags & FS_VERITY_FL, FS_VERITY_FL);
+ digest->digest_size = INCFS_MAX_HASH_SIZE;
+ TESTEQUAL(ioctl(fd, FS_IOC_MEASURE_VERITY, digest), 0);
+ TESTEQUAL(digest->digest_algorithm, FS_VERITY_HASH_ALG_SHA256);
+ TESTEQUAL(digest->digest_size, 32);
+
+ if (file->verity_sig) {
+ TEST(buf = malloc(file->verity_sig_size), buf);
+ frma = (struct fsverity_read_metadata_arg) {
+ .metadata_type = FS_VERITY_METADATA_TYPE_SIGNATURE,
+ .length = file->verity_sig_size,
+ .buf_ptr = ptr_to_u64(buf),
+ };
+ TESTEQUAL(ioctl(fd, FS_IOC_READ_VERITY_METADATA, &frma),
+ file->verity_sig_size);
+ TESTEQUAL(memcmp(buf, file->verity_sig, file->verity_sig_size),
+ 0);
+ } else {
+ frma = (struct fsverity_read_metadata_arg) {
+ .metadata_type = FS_VERITY_METADATA_TYPE_SIGNATURE,
+ };
+ TESTEQUAL(ioctl(fd, FS_IOC_READ_VERITY_METADATA, &frma), -1);
+ TESTEQUAL(errno, ENODATA);
+ }
+
+ frma = (struct fsverity_read_metadata_arg) {
+ .metadata_type = FS_VERITY_METADATA_TYPE_DESCRIPTOR,
+ .length = sizeof(desc),
+ .buf_ptr = ptr_to_u64(&desc),
+ };
+ TESTEQUAL(ioctl(fd, FS_IOC_READ_VERITY_METADATA, &frma),
+ sizeof(desc));
+ TESTEQUAL(desc.version, 1);
+ TESTEQUAL(desc.hash_algorithm, FS_VERITY_HASH_ALG_SHA256);
+ TESTEQUAL(desc.log_blocksize, ilog2(INCFS_DATA_FILE_BLOCK_SIZE));
+ TESTEQUAL(desc.salt_size, 0);
+ TESTEQUAL(desc.__reserved_0x04, 0);
+ TESTEQUAL(desc.data_size, file->size);
+ TESTEQUAL(memcmp(desc.root_hash, file->root_hash, SHA256_DIGEST_SIZE),
+ 0);
+ TESTEQUAL(memzero(desc.root_hash + SHA256_DIGEST_SIZE,
+ sizeof(desc.root_hash) - SHA256_DIGEST_SIZE), 0);
+ TESTEQUAL(memzero(desc.salt, sizeof(desc.salt)), 0);
+ TESTEQUAL(memzero(desc.__reserved, sizeof(desc.__reserved)), 0);
+
+ result = TEST_SUCCESS;
+out:
+ free(buf);
+ close(fd);
+ free(filename);
+ free(digest);
+ return result;
+}
+
+static int verity_test_optional_sigs(const char *mount_dir, bool use_signatures)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ bool installed;
+ int cmd_fd = -1;
+ int i;
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+ EVP_PKEY *key = NULL;
+ X509 *cert = NULL;
+ BIO *mem = NULL;
+ long len;
+ void *ptr;
+ FILE *proc_key_fd = NULL;
+ char *line = NULL;
+ size_t read = 0;
+ int key_id = -1;
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+ 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TESTEQUAL(verity_installed(mount_dir, cmd_fd, &installed), 0);
+ if (!installed) {
+ result = TEST_SUCCESS;
+ goto out;
+ }
+ TEST(key = create_key(), key);
+ TEST(cert = get_cert(key), cert);
+
+ TEST(proc_key_fd = fopen("/proc/keys", "r"), proc_key_fd != NULL);
+ while (getline(&line, &read, proc_key_fd) != -1)
+ if (strstr(line, ".fs-verity"))
+ key_id = strtol(line, NULL, 16);
+
+ TEST(mem = BIO_new(BIO_s_mem()), mem != NULL);
+ TESTEQUAL(i2d_X509_bio(mem, cert), 1);
+ TEST(len = BIO_get_mem_data(mem, &ptr), len != 0);
+ TESTCOND(key_id == -1
+ || syscall(__NR_add_key, "asymmetric", "test:key", ptr, len,
+ key_id) != -1);
+
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ build_mtree(file);
+ TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, file->root_hash,
+ file->sig.add_data), 0);
+
+ TESTEQUAL(load_hash_tree(mount_dir, file), 0);
+ TESTEQUAL(enable_verity(mount_dir, file, key, cert,
+ use_signatures),
+ 0);
+ }
+
+ for (i = 0; i < file_num; i++)
+ TESTEQUAL(validate_verity(mount_dir, &test.files[i]), 0);
+
+ close(cmd_fd);
+ cmd_fd = -1;
+ TESTEQUAL(umount(mount_dir), 0);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "readahead=0", false),
+ 0);
+
+ for (i = 0; i < file_num; i++)
+ TESTEQUAL(validate_verity(mount_dir, &test.files[i]), 0);
+
+ result = TEST_SUCCESS;
+out:
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ free(file->mtree);
+ free(file->verity_sig);
+
+ file->mtree = NULL;
+ file->verity_sig = NULL;
+ }
+
+ free(line);
+ BIO_free(mem);
+ X509_free(cert);
+ EVP_PKEY_free(key);
+ fclose(proc_key_fd);
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int verity_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+
+ TESTEQUAL(verity_test_optional_sigs(mount_dir, true), TEST_SUCCESS);
+ TESTEQUAL(verity_test_optional_sigs(mount_dir, false), TEST_SUCCESS);
+ result = TEST_SUCCESS;
+out:
+ return result;
+}
+
+static int verity_file_valid(const char *mount_dir, struct test_file *file)
+{
+ int result = TEST_FAILURE;
+ char *filename = NULL;
+ int fd = -1;
+ uint8_t buffer[INCFS_DATA_FILE_BLOCK_SIZE];
+ struct incfs_get_file_sig_args gfsa = {
+ .file_signature = ptr_to_u64(buffer),
+ .file_signature_buf_size = sizeof(buffer),
+ };
+ int i;
+
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(ioctl(fd, INCFS_IOC_READ_FILE_SIGNATURE, &gfsa), 0);
+ for (i = 0; i < file->size; i += sizeof(buffer))
+ TESTEQUAL(pread(fd, buffer, sizeof(buffer), i),
+ file->size - i > sizeof(buffer) ?
+ sizeof(buffer) : file->size - i);
+
+ result = TEST_SUCCESS;
+out:
+ close(fd);
+ free(filename);
+ return result;
+}
+
+static int enable_verity_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ bool installed;
+ int cmd_fd = -1;
+ struct test_files_set test = get_test_files_set();
+ int i;
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TESTEQUAL(verity_installed(mount_dir, cmd_fd, &installed), 0);
+ if (!installed) {
+ result = TEST_SUCCESS;
+ goto out;
+ }
+ for (i = 0; i < test.files_count; ++i) {
+ struct test_file *file = &test.files[i];
+
+ TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL), 0);
+ TESTEQUAL(emit_test_file_data(mount_dir, file), 0);
+ TESTEQUAL(enable_verity(mount_dir, file, NULL, NULL, false), 0);
+ }
+
+ /* Check files are valid on disk */
+ close(cmd_fd);
+ cmd_fd = -1;
+ TESTEQUAL(umount(mount_dir), 0);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+ for (i = 0; i < test.files_count; ++i)
+ TESTEQUAL(verity_file_valid(mount_dir, &test.files[i]), 0);
+
+ result = TEST_SUCCESS;
+out:
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int mmap_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ int cmd_fd = -1;
+ /*
+ * File is big enough to have a two layer tree with two hashes in the
+ * higher level, so we can corrupt the second one
+ */
+ int shas_per_block = INCFS_DATA_FILE_BLOCK_SIZE / SHA256_DIGEST_SIZE;
+ struct test_file file = {
+ .name = "file",
+ .size = INCFS_DATA_FILE_BLOCK_SIZE * shas_per_block * 2,
+ };
+ char *filename = NULL;
+ int fd = -1;
+ char *addr = (void *)-1;
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+
+ TESTEQUAL(build_mtree(&file), 0);
+ file.mtree[1].data[INCFS_DATA_FILE_BLOCK_SIZE] ^= 0xff;
+ TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file.name, &file.id,
+ file.size, file.root_hash,
+ file.sig.add_data), 0);
+ TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+ TESTEQUAL(load_hash_tree(mount_dir, &file), 0);
+ TEST(filename = concat_file_name(mount_dir, file.name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TEST(addr = mmap(NULL, file.size, PROT_READ, MAP_PRIVATE, fd, 0),
+ addr != (void *) -1);
+ TESTEQUAL(mlock(addr, INCFS_DATA_FILE_BLOCK_SIZE), 0);
+ TESTEQUAL(munlock(addr, INCFS_DATA_FILE_BLOCK_SIZE), 0);
+ TESTEQUAL(mlock(addr + shas_per_block * INCFS_DATA_FILE_BLOCK_SIZE,
+ INCFS_DATA_FILE_BLOCK_SIZE), -1);
+ TESTEQUAL(mlock(addr + (shas_per_block - 1) *
+ INCFS_DATA_FILE_BLOCK_SIZE,
+ INCFS_DATA_FILE_BLOCK_SIZE), 0);
+ TESTEQUAL(munlock(addr + (shas_per_block - 1) *
+ INCFS_DATA_FILE_BLOCK_SIZE,
+ INCFS_DATA_FILE_BLOCK_SIZE), 0);
+ TESTEQUAL(mlock(addr + (shas_per_block - 1) *
+ INCFS_DATA_FILE_BLOCK_SIZE,
+ INCFS_DATA_FILE_BLOCK_SIZE * 2), -1);
+ TESTEQUAL(munmap(addr, file.size), 0);
+
+ result = TEST_SUCCESS;
+out:
+ free(file.mtree);
+ close(fd);
+ free(filename);
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int truncate_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ int cmd_fd = -1;
+ struct test_file file = {
+ .name = "file",
+ .size = INCFS_DATA_FILE_BLOCK_SIZE,
+ };
+ char *backing_file = NULL;
+ int fd = -1;
+ struct stat st;
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+ 0);
+ TEST(backing_file = concat_file_name(backing_dir, file.name),
+ backing_file);
+ TEST(fd = open(backing_file, O_RDWR | O_CLOEXEC), fd != -1);
+ TESTEQUAL(stat(backing_file, &st), 0);
+ TESTCOND(st.st_blocks < 128);
+ TESTEQUAL(fallocate(fd, FALLOC_FL_KEEP_SIZE, 0, 1 << 24), 0);
+ TESTEQUAL(stat(backing_file, &st), 0);
+ TESTCOND(st.st_blocks > 32768);
+ TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+ TESTEQUAL(stat(backing_file, &st), 0);
+ TESTCOND(st.st_blocks < 128);
+
+ result = TEST_SUCCESS;
+out:
+ close(fd);
+ free(backing_file);
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int stat_file_test(const char *mount_dir, int cmd_fd,
+ struct test_file *file)
+{
+ int result = TEST_FAILURE;
+ struct stat st;
+ char *filename = NULL;
+
+ TESTEQUAL(emit_file(cmd_fd, NULL, file->name, &file->id,
+ file->size, NULL), 0);
+ TEST(filename = concat_file_name(mount_dir, file->name), filename);
+ TESTEQUAL(stat(filename, &st), 0);
+ TESTCOND(st.st_blocks < 32);
+ TESTEQUAL(emit_test_file_data(mount_dir, file), 0);
+ TESTEQUAL(stat(filename, &st), 0);
+ TESTCOND(st.st_blocks > file->size / 512);
+
+ result = TEST_SUCCESS;
+out:
+ free(filename);
+ return result;
+}
+
+static int stat_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ int cmd_fd = -1;
+ int i;
+ struct test_files_set test = get_test_files_set();
+ const int file_num = test.files_count;
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+
+ for (i = 0; i < file_num; i++) {
+ struct test_file *file = &test.files[i];
+
+ TESTEQUAL(stat_file_test(mount_dir, cmd_fd, file), 0);
+ }
+
+ result = TEST_SUCCESS;
+out:
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+#define SYSFS_DIR "/sys/fs/incremental-fs/instances/test_node/"
+
+static int sysfs_test_value(const char *name, uint64_t value)
+{
+ int result = TEST_FAILURE;
+ char *filename = NULL;
+ FILE *file = NULL;
+ uint64_t res;
+
+ TEST(filename = concat_file_name(SYSFS_DIR, name), filename);
+ TEST(file = fopen(filename, "re"), file);
+ TESTEQUAL(fscanf(file, "%lu", &res), 1);
+ TESTEQUAL(res, value);
+
+ result = TEST_SUCCESS;
+out:
+ if (file)
+ fclose(file);
+ free(filename);
+ return result;
+}
+
+static int sysfs_test_value_range(const char *name, uint64_t low, uint64_t high)
+{
+ int result = TEST_FAILURE;
+ char *filename = NULL;
+ FILE *file = NULL;
+ uint64_t res;
+
+ TEST(filename = concat_file_name(SYSFS_DIR, name), filename);
+ TEST(file = fopen(filename, "re"), file);
+ TESTEQUAL(fscanf(file, "%lu", &res), 1);
+ TESTCOND(res >= low && res <= high);
+
+ result = TEST_SUCCESS;
+out:
+ if (file)
+ fclose(file);
+ free(filename);
+ return result;
+}
+
+static int ioctl_test_last_error(int cmd_fd, const incfs_uuid_t *file_id,
+ int page, int error)
+{
+ int result = TEST_FAILURE;
+ struct incfs_get_last_read_error_args glre;
+
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_GET_LAST_READ_ERROR, &glre), 0);
+ if (file_id)
+ TESTEQUAL(memcmp(&glre.file_id_out, file_id, sizeof(*file_id)),
+ 0);
+
+ TESTEQUAL(glre.page_out, page);
+ TESTEQUAL(glre.errno_out, error);
+ result = TEST_SUCCESS;
+out:
+ return result;
+}
+
+static int sysfs_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ int cmd_fd = -1;
+ struct test_file file = {
+ .name = "file",
+ .size = INCFS_DATA_FILE_BLOCK_SIZE,
+ };
+ char *filename = NULL;
+ int fd = -1;
+ int pid = -1;
+ char buffer[32];
+ int status;
+ struct incfs_per_uid_read_timeouts purt_set[] = {
+ {
+ .uid = 0,
+ .min_time_us = 1000000,
+ .min_pending_time_us = 1000000,
+ .max_pending_time_us = 2000000,
+ },
+ };
+ struct incfs_set_read_timeouts_args srt = {
+ ptr_to_u64(purt_set),
+ sizeof(purt_set)
+ };
+
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "sysfs_name=test_node",
+ false),
+ 0);
+ TEST(cmd_fd = open_commands_file(mount_dir), cmd_fd != -1);
+ TESTEQUAL(build_mtree(&file), 0);
+ file.root_hash[0] ^= 0xff;
+ TESTEQUAL(crypto_emit_file(cmd_fd, NULL, file.name, &file.id, file.size,
+ file.root_hash, file.sig.add_data),
+ 0);
+ TEST(filename = concat_file_name(mount_dir, file.name), filename);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(ioctl_test_last_error(cmd_fd, NULL, 0, 0), 0);
+ TESTEQUAL(sysfs_test_value("reads_failed_timed_out", 0), 0);
+ TEST(read(fd, NULL, 1), -1);
+ TESTEQUAL(ioctl_test_last_error(cmd_fd, &file.id, 0, -ETIME), 0);
+ TESTEQUAL(sysfs_test_value("reads_failed_timed_out", 2), 0);
+
+ TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+ TESTEQUAL(sysfs_test_value("reads_failed_hash_verification", 0), 0);
+ TESTEQUAL(read(fd, NULL, 1), -1);
+ TESTEQUAL(sysfs_test_value("reads_failed_hash_verification", 1), 0);
+ TESTSYSCALL(close(fd));
+ fd = -1;
+
+ TESTSYSCALL(unlink(filename));
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir,
+ "read_timeout_ms=10000,sysfs_name=test_node",
+ true),
+ 0);
+ TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+ 0);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTSYSCALL(fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC));
+ TEST(pid = fork(), pid != -1);
+ if (pid == 0) {
+ TESTEQUAL(read(fd, buffer, sizeof(buffer)), sizeof(buffer));
+ exit(0);
+ }
+ sleep(1);
+ TESTEQUAL(sysfs_test_value("reads_delayed_pending", 0), 0);
+ TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+ TESTNE(wait(&status), -1);
+ TESTEQUAL(status, 0);
+ TESTEQUAL(sysfs_test_value("reads_delayed_pending", 1), 0);
+ /* Allow +/- 10% */
+ TESTEQUAL(sysfs_test_value_range("reads_delayed_pending_us", 900000, 1100000),
+ 0);
+
+ TESTSYSCALL(close(fd));
+ fd = -1;
+
+ TESTSYSCALL(unlink(filename));
+ TESTEQUAL(ioctl(cmd_fd, INCFS_IOC_SET_READ_TIMEOUTS, &srt), 0);
+ TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+ 0);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(sysfs_test_value("reads_delayed_min", 0), 0);
+ TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+ TESTEQUAL(read(fd, buffer, sizeof(buffer)), sizeof(buffer));
+ TESTEQUAL(sysfs_test_value("reads_delayed_min", 1), 0);
+ /* This should be exact */
+ TESTEQUAL(sysfs_test_value("reads_delayed_min_us", 1000000), 0);
+
+ TESTSYSCALL(close(fd));
+ fd = -1;
+
+ TESTSYSCALL(unlink(filename));
+ TESTEQUAL(emit_file(cmd_fd, NULL, file.name, &file.id, file.size, NULL),
+ 0);
+ TEST(fd = open(filename, O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTSYSCALL(fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC));
+ TEST(pid = fork(), pid != -1);
+ if (pid == 0) {
+ TESTEQUAL(read(fd, buffer, sizeof(buffer)), sizeof(buffer));
+ exit(0);
+ }
+ usleep(500000);
+ TESTEQUAL(sysfs_test_value("reads_delayed_pending", 1), 0);
+ TESTEQUAL(sysfs_test_value("reads_delayed_min", 1), 0);
+ TESTEQUAL(emit_test_file_data(mount_dir, &file), 0);
+ TESTNE(wait(&status), -1);
+ TESTEQUAL(status, 0);
+ TESTEQUAL(sysfs_test_value("reads_delayed_pending", 2), 0);
+ TESTEQUAL(sysfs_test_value("reads_delayed_min", 2), 0);
+ /* Exact 1000000 plus 500000 +/- 10% */
+ TESTEQUAL(sysfs_test_value_range("reads_delayed_min_us", 1450000, 1550000), 0);
+ /* Allow +/- 10% */
+ TESTEQUAL(sysfs_test_value_range("reads_delayed_pending_us", 1350000, 1650000),
+ 0);
+
+ result = TEST_SUCCESS;
+out:
+ if (pid == 0)
+ exit(result);
+ free(file.mtree);
+ free(filename);
+ close(fd);
+ close(cmd_fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static int sysfs_test_directories(bool one_present, bool two_present)
+{
+ int result = TEST_FAILURE;
+ struct stat st;
+
+ TESTEQUAL(stat("/sys/fs/incremental-fs/instances/1", &st),
+ one_present ? 0 : -1);
+ if (one_present)
+ TESTCOND(S_ISDIR(st.st_mode));
+ else
+ TESTEQUAL(errno, ENOENT);
+ TESTEQUAL(stat("/sys/fs/incremental-fs/instances/2", &st),
+ two_present ? 0 : -1);
+ if (two_present)
+ TESTCOND(S_ISDIR(st.st_mode));
+ else
+ TESTEQUAL(errno, ENOENT);
+
+ result = TEST_SUCCESS;
+out:
+ return result;
+}
+
+static int sysfs_rename_test(const char *mount_dir)
+{
+ int result = TEST_FAILURE;
+ char *backing_dir = NULL;
+ char *mount_dir2 = NULL;
+ int fd = -1;
+ char c;
+
+ /* Mount with no node */
+ TEST(backing_dir = create_backing_dir(mount_dir), backing_dir);
+ TESTEQUAL(mount_fs(mount_dir, backing_dir, 0), 0);
+ TESTEQUAL(sysfs_test_directories(false, false), 0);
+
+ /* Remount with node */
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "sysfs_name=1", true),
+ 0);
+ TESTEQUAL(sysfs_test_directories(true, false), 0);
+ TEST(fd = open("/sys/fs/incremental-fs/instances/1/reads_delayed_min",
+ O_RDONLY | O_CLOEXEC), fd != -1);
+ TESTEQUAL(pread(fd, &c, 1, 0), 1);
+ TESTEQUAL(c, '0');
+ TESTEQUAL(pread(fd, &c, 1, 0), 1);
+ TESTEQUAL(c, '0');
+
+ /* Rename node */
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "sysfs_name=2", true),
+ 0);
+ TESTEQUAL(sysfs_test_directories(false, true), 0);
+ TESTEQUAL(pread(fd, &c, 1, 0), -1);
+
+ /* Try mounting another instance with same node name */
+ TEST(mount_dir2 = concat_file_name(backing_dir, "incfs-mount-dir2"),
+ mount_dir2);
+ rmdir(mount_dir2); /* In case we crashed before */
+ TESTSYSCALL(mkdir(mount_dir2, 0777));
+ TEST(mount_fs_opt(mount_dir2, backing_dir, "sysfs_name=2", false),
+ -1);
+
+ /* Try mounting another instance then remounting with existing name */
+ TESTEQUAL(mount_fs(mount_dir2, backing_dir, 0), 0);
+ TESTEQUAL(mount_fs_opt(mount_dir2, backing_dir, "sysfs_name=2", true),
+ -1);
+
+ /* Remount with no node */
+ TESTEQUAL(mount_fs_opt(mount_dir, backing_dir, "", true),
+ 0);
+ TESTEQUAL(sysfs_test_directories(false, false), 0);
+
+ result = TEST_SUCCESS;
+out:
+ umount(mount_dir2);
+ rmdir(mount_dir2);
+ free(mount_dir2);
+ close(fd);
+ umount(mount_dir);
+ free(backing_dir);
+ return result;
+}
+
+static char *setup_mount_dir()
+{
+ struct stat st;
+ char *current_dir = getcwd(NULL, 0);
+ char *mount_dir = concat_file_name(current_dir, "incfs-mount-dir");
+
+ free(current_dir);
+ if (stat(mount_dir, &st) == 0) {
+ if (S_ISDIR(st.st_mode))
+ return mount_dir;
+
+ ksft_print_msg("%s is a file, not a dir.\n", mount_dir);
+ return NULL;
+ }
+
+ if (mkdir(mount_dir, 0777)) {
+ print_error("Can't create mount dir.");
+ return NULL;
+ }
+
+ return mount_dir;
+}
+
+int parse_options(int argc, char *const *argv)
+{
+ signed char c;
+
+ while ((c = getopt(argc, argv, "f:t:v")) != -1)
+ switch (c) {
+ case 'f':
+ options.file = strtol(optarg, NULL, 10);
+ break;
+
+ case 't':
+ options.test = strtol(optarg, NULL, 10);
+ break;
+
+ case 'v':
+ options.verbose = true;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+struct test_case {
+ int (*pfunc)(const char *dir);
+ const char *name;
+};
+
+void run_one_test(const char *mount_dir, struct test_case *test_case)
+{
+ ksft_print_msg("Running %s\n", test_case->name);
+ if (test_case->pfunc(mount_dir) == TEST_SUCCESS)
+ ksft_test_result_pass("%s\n", test_case->name);
+ else
+ ksft_test_result_fail("%s\n", test_case->name);
+}
+
+int main(int argc, char *argv[])
+{
+ char *mount_dir = NULL;
+ int i;
+ int fd, count;
+
+ if (parse_options(argc, argv))
+ ksft_exit_fail_msg("Bad options\n");
+
+ // Seed randomness pool for testing on QEMU
+ // NOTE - this abuses the concept of randomness - do *not* ever do this
+ // on a machine for production use - the device will think it has good
+ // randomness when it does not.
+ fd = open("/dev/urandom", O_WRONLY | O_CLOEXEC);
+ count = 4096;
+ for (int i = 0; i < 128; ++i)
+ ioctl(fd, RNDADDTOENTCNT, &count);
+ close(fd);
+
+ ksft_print_header();
+
+ if (geteuid() != 0)
+ ksft_print_msg("Not a root, might fail to mount.\n");
+
+ mount_dir = setup_mount_dir();
+ if (mount_dir == NULL)
+ ksft_exit_fail_msg("Can't create a mount dir\n");
+
+#define MAKE_TEST(test) \
+ { \
+ test, #test \
+ }
+ struct test_case cases[] = {
+ MAKE_TEST(basic_file_ops_test),
+ MAKE_TEST(cant_touch_index_test),
+ MAKE_TEST(dynamic_files_and_data_test),
+ MAKE_TEST(concurrent_reads_and_writes_test),
+ MAKE_TEST(attribute_test),
+ MAKE_TEST(work_after_remount_test),
+ MAKE_TEST(child_procs_waiting_for_data_test),
+ MAKE_TEST(multiple_providers_test),
+ MAKE_TEST(hash_tree_test),
+ MAKE_TEST(read_log_test),
+ MAKE_TEST(get_blocks_test),
+ MAKE_TEST(get_hash_blocks_test),
+ MAKE_TEST(large_file_test),
+ MAKE_TEST(mapped_file_test),
+ MAKE_TEST(compatibility_test),
+ MAKE_TEST(data_block_count_test),
+ MAKE_TEST(hash_block_count_test),
+ MAKE_TEST(per_uid_read_timeouts_test),
+ MAKE_TEST(inotify_test),
+ MAKE_TEST(verity_test),
+ MAKE_TEST(enable_verity_test),
+ MAKE_TEST(mmap_test),
+ MAKE_TEST(truncate_test),
+ MAKE_TEST(stat_test),
+ MAKE_TEST(sysfs_test),
+ MAKE_TEST(sysfs_rename_test),
+ };
+#undef MAKE_TEST
+
+ if (options.test) {
+ if (options.test <= 0 || options.test > ARRAY_SIZE(cases))
+ ksft_exit_fail_msg("Invalid test\n");
+
+ ksft_set_plan(1);
+ run_one_test(mount_dir, &cases[options.test - 1]);
+ } else {
+ ksft_set_plan(ARRAY_SIZE(cases));
+ for (i = 0; i < ARRAY_SIZE(cases); ++i)
+ run_one_test(mount_dir, &cases[i]);
+ }
+
+ umount2(mount_dir, MNT_FORCE);
+ rmdir(mount_dir);
+ return !ksft_get_fail_cnt() ? ksft_exit_pass() : ksft_exit_fail();
+}
diff --git a/tools/testing/selftests/filesystems/incfs/utils.c b/tools/testing/selftests/filesystems/incfs/utils.c
new file mode 100644
index 0000000..e60b0d3
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/utils.c
@@ -0,0 +1,378 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2018 Google LLC
+ */
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/ioctl.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <openssl/sha.h>
+#include <openssl/md5.h>
+
+#include "utils.h"
+
+#ifndef __S_IFREG
+#define __S_IFREG S_IFREG
+#endif
+
+unsigned int rnd(unsigned int max, unsigned int *seed)
+{
+ return rand_r(seed) * ((uint64_t)max + 1) / RAND_MAX;
+}
+
+int remove_dir(const char *dir)
+{
+ int err = rmdir(dir);
+
+ if (err && errno == ENOTEMPTY) {
+ err = delete_dir_tree(dir);
+ if (err)
+ return err;
+ return 0;
+ }
+
+ if (err && errno != ENOENT)
+ return -errno;
+
+ return 0;
+}
+
+int drop_caches(void)
+{
+ int drop_caches =
+ open("/proc/sys/vm/drop_caches", O_WRONLY | O_CLOEXEC);
+ int i;
+
+ if (drop_caches == -1)
+ return -errno;
+ i = write(drop_caches, "3", 1);
+ close(drop_caches);
+
+ if (i != 1)
+ return -errno;
+
+ return 0;
+}
+
+int mount_fs(const char *mount_dir, const char *backing_dir,
+ int read_timeout_ms)
+{
+ static const char fs_name[] = INCFS_NAME;
+ char mount_options[512];
+ int result;
+
+ snprintf(mount_options, ARRAY_SIZE(mount_options),
+ "read_timeout_ms=%u",
+ read_timeout_ms);
+
+ result = mount(backing_dir, mount_dir, fs_name, 0, mount_options);
+ if (result != 0)
+ perror("Error mounting fs.");
+ return result;
+}
+
+int mount_fs_opt(const char *mount_dir, const char *backing_dir,
+ const char *opt, bool remount)
+{
+ static const char fs_name[] = INCFS_NAME;
+ int result;
+
+ result = mount(backing_dir, mount_dir, fs_name,
+ remount ? MS_REMOUNT : 0, opt);
+ if (result != 0)
+ perror("Error mounting fs.");
+ return result;
+}
+
+struct hash_section {
+ uint32_t algorithm;
+ uint8_t log2_blocksize;
+ uint32_t salt_size;
+ /* no salt */
+ uint32_t hash_size;
+ uint8_t hash[SHA256_DIGEST_SIZE];
+} __packed;
+
+struct signature_blob {
+ uint32_t version;
+ uint32_t hash_section_size;
+ struct hash_section hash_section;
+ uint32_t signing_section_size;
+ uint8_t signing_section[];
+} __packed;
+
+size_t format_signature(void **buf, const char *root_hash, const char *add_data)
+{
+ size_t size = sizeof(struct signature_blob) + strlen(add_data) + 1;
+ struct signature_blob *sb = malloc(size);
+
+ *sb = (struct signature_blob){
+ .version = INCFS_SIGNATURE_VERSION,
+ .hash_section_size = sizeof(struct hash_section),
+ .hash_section =
+ (struct hash_section){
+ .algorithm = INCFS_HASH_TREE_SHA256,
+ .log2_blocksize = 12,
+ .salt_size = 0,
+ .hash_size = SHA256_DIGEST_SIZE,
+ },
+ .signing_section_size = sizeof(uint32_t) + strlen(add_data) + 1,
+ };
+
+ memcpy(sb->hash_section.hash, root_hash, SHA256_DIGEST_SIZE);
+ memcpy((char *)sb->signing_section, add_data, strlen(add_data) + 1);
+ *buf = sb;
+ return size;
+}
+
+int crypto_emit_file(int fd, const char *dir, const char *filename,
+ incfs_uuid_t *id_out, size_t size, const char *root_hash,
+ const char *add_data)
+{
+ int mode = __S_IFREG | 0555;
+ void *signature;
+ int error = 0;
+
+ struct incfs_new_file_args args = {
+ .size = size,
+ .mode = mode,
+ .file_name = ptr_to_u64(filename),
+ .directory_path = ptr_to_u64(dir),
+ .file_attr = 0,
+ .file_attr_len = 0
+ };
+
+ args.signature_size = format_signature(&signature, root_hash, add_data);
+ args.signature_info = ptr_to_u64(signature);
+
+ md5(filename, strlen(filename), (char *)args.file_id.bytes);
+
+ if (ioctl(fd, INCFS_IOC_CREATE_FILE, &args) != 0) {
+ error = -errno;
+ goto out;
+ }
+
+ *id_out = args.file_id;
+
+out:
+ free(signature);
+ return error;
+}
+
+int emit_file(int fd, const char *dir, const char *filename,
+ incfs_uuid_t *id_out, size_t size, const char *attr)
+{
+ int mode = __S_IFREG | 0555;
+ struct incfs_new_file_args args = { .size = size,
+ .mode = mode,
+ .file_name = ptr_to_u64(filename),
+ .directory_path = ptr_to_u64(dir),
+ .signature_info = ptr_to_u64(NULL),
+ .signature_size = 0,
+ .file_attr = ptr_to_u64(attr),
+ .file_attr_len =
+ attr ? strlen(attr) : 0 };
+
+ md5(filename, strlen(filename), (char *)args.file_id.bytes);
+
+ if (ioctl(fd, INCFS_IOC_CREATE_FILE, &args) != 0)
+ return -errno;
+
+ *id_out = args.file_id;
+ return 0;
+}
+
+int get_file_bmap(int cmd_fd, int ino, unsigned char *buf, int buf_size)
+{
+ return 0;
+}
+
+int get_file_signature(int fd, unsigned char *buf, int buf_size)
+{
+ struct incfs_get_file_sig_args args = {
+ .file_signature = ptr_to_u64(buf),
+ .file_signature_buf_size = buf_size
+ };
+
+ if (ioctl(fd, INCFS_IOC_READ_FILE_SIGNATURE, &args) == 0)
+ return args.file_signature_len_out;
+ return -errno;
+}
+
+loff_t get_file_size(const char *name)
+{
+ struct stat st;
+
+ if (stat(name, &st) == 0)
+ return st.st_size;
+ return -ENOENT;
+}
+
+int open_commands_file(const char *mount_dir)
+{
+ char cmd_file[255];
+ int cmd_fd;
+
+ snprintf(cmd_file, ARRAY_SIZE(cmd_file),
+ "%s/%s", mount_dir, INCFS_PENDING_READS_FILENAME);
+ cmd_fd = open(cmd_file, O_RDONLY | O_CLOEXEC);
+
+ if (cmd_fd < 0)
+ perror("Can't open commands file");
+ return cmd_fd;
+}
+
+int open_log_file(const char *mount_dir)
+{
+ char file[255];
+ int fd;
+
+ snprintf(file, ARRAY_SIZE(file), "%s/.log", mount_dir);
+ fd = open(file, O_RDWR | O_CLOEXEC);
+ if (fd < 0)
+ perror("Can't open log file");
+ return fd;
+}
+
+int open_blocks_written_file(const char *mount_dir)
+{
+ char file[255];
+ int fd;
+
+ snprintf(file, ARRAY_SIZE(file),
+ "%s/%s", mount_dir, INCFS_BLOCKS_WRITTEN_FILENAME);
+ fd = open(file, O_RDONLY | O_CLOEXEC);
+
+ if (fd < 0)
+ perror("Can't open blocks_written file");
+ return fd;
+}
+
+int wait_for_pending_reads(int fd, int timeout_ms,
+ struct incfs_pending_read_info *prs, int prs_count)
+{
+ ssize_t read_res = 0;
+
+ if (timeout_ms > 0) {
+ int poll_res = 0;
+ struct pollfd pollfd = {
+ .fd = fd,
+ .events = POLLIN
+ };
+
+ poll_res = poll(&pollfd, 1, timeout_ms);
+ if (poll_res < 0)
+ return -errno;
+ if (poll_res == 0)
+ return 0;
+ if (!(pollfd.revents | POLLIN))
+ return 0;
+ }
+
+ read_res = read(fd, prs, prs_count * sizeof(*prs));
+ if (read_res < 0)
+ return -errno;
+
+ return read_res / sizeof(*prs);
+}
+
+int wait_for_pending_reads2(int fd, int timeout_ms,
+ struct incfs_pending_read_info2 *prs, int prs_count)
+{
+ ssize_t read_res = 0;
+
+ if (timeout_ms > 0) {
+ int poll_res = 0;
+ struct pollfd pollfd = {
+ .fd = fd,
+ .events = POLLIN
+ };
+
+ poll_res = poll(&pollfd, 1, timeout_ms);
+ if (poll_res < 0)
+ return -errno;
+ if (poll_res == 0)
+ return 0;
+ if (!(pollfd.revents | POLLIN))
+ return 0;
+ }
+
+ read_res = read(fd, prs, prs_count * sizeof(*prs));
+ if (read_res < 0)
+ return -errno;
+
+ return read_res / sizeof(*prs);
+}
+
+char *concat_file_name(const char *dir, const char *file)
+{
+ char full_name[FILENAME_MAX] = "";
+
+ if (snprintf(full_name, ARRAY_SIZE(full_name), "%s/%s", dir, file) < 0)
+ return NULL;
+ return strdup(full_name);
+}
+
+int delete_dir_tree(const char *dir_path)
+{
+ DIR *dir = NULL;
+ struct dirent *dp;
+ int result = 0;
+
+ dir = opendir(dir_path);
+ if (!dir) {
+ result = -errno;
+ goto out;
+ }
+
+ while ((dp = readdir(dir))) {
+ char *full_path;
+
+ if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+ continue;
+
+ full_path = concat_file_name(dir_path, dp->d_name);
+ if (dp->d_type == DT_DIR)
+ result = delete_dir_tree(full_path);
+ else
+ result = unlink(full_path);
+ free(full_path);
+ if (result)
+ goto out;
+ }
+
+out:
+ if (dir)
+ closedir(dir);
+ if (!result)
+ rmdir(dir_path);
+ return result;
+}
+
+void sha256(const char *data, size_t dsize, char *hash)
+{
+ SHA256_CTX ctx;
+
+ SHA256_Init(&ctx);
+ SHA256_Update(&ctx, data, dsize);
+ SHA256_Final((unsigned char *)hash, &ctx);
+}
+
+void md5(const char *data, size_t dsize, char *hash)
+{
+ MD5_CTX ctx;
+
+ MD5_Init(&ctx);
+ MD5_Update(&ctx, data, dsize);
+ MD5_Final((unsigned char *)hash, &ctx);
+}
diff --git a/tools/testing/selftests/filesystems/incfs/utils.h b/tools/testing/selftests/filesystems/incfs/utils.h
new file mode 100644
index 0000000..f5ed8dc
--- /dev/null
+++ b/tools/testing/selftests/filesystems/incfs/utils.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+#include <stdbool.h>
+#include <sys/stat.h>
+
+#include <include/uapi/linux/incrementalfs.h>
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
+
+#define __packed __attribute__((__packed__))
+
+#ifdef __LP64__
+#define ptr_to_u64(p) ((__u64)p)
+#else
+#define ptr_to_u64(p) ((__u64)(__u32)p)
+#endif
+
+#define SHA256_DIGEST_SIZE 32
+#define INCFS_MAX_MTREE_LEVELS 8
+
+unsigned int rnd(unsigned int max, unsigned int *seed);
+
+int remove_dir(const char *dir);
+
+int drop_caches(void);
+
+int mount_fs(const char *mount_dir, const char *backing_dir,
+ int read_timeout_ms);
+
+int mount_fs_opt(const char *mount_dir, const char *backing_dir,
+ const char *opt, bool remount);
+
+int get_file_bmap(int cmd_fd, int ino, unsigned char *buf, int buf_size);
+
+int get_file_signature(int fd, unsigned char *buf, int buf_size);
+
+int emit_node(int fd, char *filename, int *ino_out, int parent_ino,
+ size_t size, mode_t mode, char *attr);
+
+int emit_file(int fd, const char *dir, const char *filename,
+ incfs_uuid_t *id_out, size_t size, const char *attr);
+
+int crypto_emit_file(int fd, const char *dir, const char *filename,
+ incfs_uuid_t *id_out, size_t size, const char *root_hash,
+ const char *add_data);
+
+loff_t get_file_size(const char *name);
+
+int open_commands_file(const char *mount_dir);
+
+int open_log_file(const char *mount_dir);
+
+int open_blocks_written_file(const char *mount_dir);
+
+int wait_for_pending_reads(int fd, int timeout_ms,
+ struct incfs_pending_read_info *prs, int prs_count);
+
+int wait_for_pending_reads2(int fd, int timeout_ms,
+ struct incfs_pending_read_info2 *prs, int prs_count);
+
+char *concat_file_name(const char *dir, const char *file);
+
+void sha256(const char *data, size_t dsize, char *hash);
+
+void md5(const char *data, size_t dsize, char *hash);
+
+int delete_dir_tree(const char *path);
diff --git a/tools/testing/selftests/kselftest_module.h b/tools/testing/selftests/kselftest_module.h
index e8eafaf..e2ea41d 100644
--- a/tools/testing/selftests/kselftest_module.h
+++ b/tools/testing/selftests/kselftest_module.h
@@ -11,7 +11,8 @@
#define KSTM_MODULE_GLOBALS() \
static unsigned int total_tests __initdata; \
-static unsigned int failed_tests __initdata
+static unsigned int failed_tests __initdata; \
+static unsigned int skipped_tests __initdata
#define KSTM_CHECK_ZERO(x) do { \
total_tests++; \
@@ -21,11 +22,16 @@ static unsigned int failed_tests __initdata
} \
} while (0)
-static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests)
+static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests,
+ unsigned int skipped_tests)
{
- if (failed_tests == 0)
- pr_info("all %u tests passed\n", total_tests);
- else
+ if (failed_tests == 0) {
+ if (skipped_tests) {
+ pr_info("skipped %u tests\n", skipped_tests);
+ pr_info("remaining %u tests passed\n", total_tests);
+ } else
+ pr_info("all %u tests passed\n", total_tests);
+ } else
pr_warn("failed %u out of %u tests\n", failed_tests, total_tests);
return failed_tests ? -EINVAL : 0;
@@ -36,7 +42,7 @@ static int __init __module##_init(void) \
{ \
pr_info("loaded.\n"); \
selftest(); \
- return kstm_report(total_tests, failed_tests); \
+ return kstm_report(total_tests, failed_tests, skipped_tests); \
} \
static void __exit __module##_exit(void) \
{ \
diff --git a/tools/testing/selftests/kvm/aarch64/get-reg-list.c b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
index 33218a3..4869321 100644
--- a/tools/testing/selftests/kvm/aarch64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
@@ -42,12 +42,16 @@
#define for_each_reg(i) \
for ((i) = 0; (i) < reg_list->n; ++(i))
+#define for_each_reg_filtered(i) \
+ for_each_reg(i) \
+ if (!filter_reg(reg_list->reg[i]))
+
#define for_each_missing_reg(i) \
for ((i) = 0; (i) < blessed_n; ++(i)) \
if (!find_reg(reg_list->reg, reg_list->n, blessed_reg[i]))
#define for_each_new_reg(i) \
- for ((i) = 0; (i) < reg_list->n; ++(i)) \
+ for_each_reg_filtered(i) \
if (!find_reg(blessed_reg, blessed_n, reg_list->reg[i]))
@@ -57,6 +61,18 @@ static __u64 base_regs[], vregs[], sve_regs[], rejects_set[];
static __u64 base_regs_n, vregs_n, sve_regs_n, rejects_set_n;
static __u64 *blessed_reg, blessed_n;
+static bool filter_reg(__u64 reg)
+{
+ /*
+ * DEMUX register presence depends on the host's CLIDR_EL1.
+ * This means there's no set of them that we can bless.
+ */
+ if ((reg & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_DEMUX)
+ return true;
+
+ return false;
+}
+
static bool find_reg(__u64 regs[], __u64 nr_regs, __u64 reg)
{
int i;
@@ -325,7 +341,7 @@ int main(int ac, char **av)
struct kvm_vcpu_init init = { .target = -1, };
int new_regs = 0, missing_regs = 0, i;
int failed_get = 0, failed_set = 0, failed_reject = 0;
- bool print_list = false, fixup_core_regs = false;
+ bool print_list = false, print_filtered = false, fixup_core_regs = false;
struct kvm_vm *vm;
__u64 *vec_regs;
@@ -336,8 +352,10 @@ int main(int ac, char **av)
fixup_core_regs = true;
else if (strcmp(av[i], "--list") == 0)
print_list = true;
+ else if (strcmp(av[i], "--list-filtered") == 0)
+ print_filtered = true;
else
- fprintf(stderr, "Ignoring unknown option: %s\n", av[i]);
+ TEST_FAIL("Unknown option: %s\n", av[i]);
}
vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
@@ -350,10 +368,14 @@ int main(int ac, char **av)
if (fixup_core_regs)
core_reg_fixup();
- if (print_list) {
+ if (print_list || print_filtered) {
putchar('\n');
- for_each_reg(i)
- print_reg(reg_list->reg[i]);
+ for_each_reg(i) {
+ __u64 id = reg_list->reg[i];
+ if ((print_list && !filter_reg(id)) ||
+ (print_filtered && filter_reg(id)))
+ print_reg(id);
+ }
putchar('\n');
return 0;
}
@@ -458,6 +480,8 @@ int main(int ac, char **av)
/*
* The current blessed list was primed with the output of kernel version
* v4.15 with --core-reg-fixup and then later updated with new registers.
+ *
+ * The blessed list is up to date with kernel version v5.10-rc5
*/
static __u64 base_regs[] = {
KVM_REG_ARM64 | KVM_REG_SIZE_U64 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(regs.regs[0]),
@@ -736,9 +760,6 @@ static __u64 base_regs[] = {
ARM64_SYS_REG(3, 4, 3, 0, 0), /* DACR32_EL2 */
ARM64_SYS_REG(3, 4, 5, 0, 1), /* IFSR32_EL2 */
ARM64_SYS_REG(3, 4, 5, 3, 0), /* FPEXC32_EL2 */
- KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX | KVM_REG_ARM_DEMUX_ID_CCSIDR | 0,
- KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX | KVM_REG_ARM_DEMUX_ID_CCSIDR | 1,
- KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_DEMUX | KVM_REG_ARM_DEMUX_ID_CCSIDR | 2,
};
static __u64 base_regs_n = ARRAY_SIZE(base_regs);
diff --git a/tools/testing/selftests/seccomp/seccomp_benchmark.c b/tools/testing/selftests/seccomp/seccomp_benchmark.c
index 91f5a89..fcc8065 100644
--- a/tools/testing/selftests/seccomp/seccomp_benchmark.c
+++ b/tools/testing/selftests/seccomp/seccomp_benchmark.c
@@ -4,12 +4,16 @@
*/
#define _GNU_SOURCE
#include <assert.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <linux/filter.h>
#include <linux/seccomp.h>
+#include <sys/param.h>
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <sys/types.h>
@@ -70,18 +74,74 @@ unsigned long long calibrate(void)
return samples * seconds;
}
+bool approx(int i_one, int i_two)
+{
+ double one = i_one, one_bump = one * 0.01;
+ double two = i_two, two_bump = two * 0.01;
+
+ one_bump = one + MAX(one_bump, 2.0);
+ two_bump = two + MAX(two_bump, 2.0);
+
+ /* Equal to, or within 1% or 2 digits */
+ if (one == two ||
+ (one > two && one <= two_bump) ||
+ (two > one && two <= one_bump))
+ return true;
+ return false;
+}
+
+bool le(int i_one, int i_two)
+{
+ if (i_one <= i_two)
+ return true;
+ return false;
+}
+
+long compare(const char *name_one, const char *name_eval, const char *name_two,
+ unsigned long long one, bool (*eval)(int, int), unsigned long long two)
+{
+ bool good;
+
+ printf("\t%s %s %s (%lld %s %lld): ", name_one, name_eval, name_two,
+ (long long)one, name_eval, (long long)two);
+ if (one > INT_MAX) {
+ printf("Miscalculation! Measurement went negative: %lld\n", (long long)one);
+ return 1;
+ }
+ if (two > INT_MAX) {
+ printf("Miscalculation! Measurement went negative: %lld\n", (long long)two);
+ return 1;
+ }
+
+ good = eval(one, two);
+ printf("%s\n", good ? "✔️" : "❌");
+
+ return good ? 0 : 1;
+}
+
int main(int argc, char *argv[])
{
+ struct sock_filter bitmap_filter[] = {
+ BPF_STMT(BPF_LD|BPF_W|BPF_ABS, offsetof(struct seccomp_data, nr)),
+ BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
+ };
+ struct sock_fprog bitmap_prog = {
+ .len = (unsigned short)ARRAY_SIZE(bitmap_filter),
+ .filter = bitmap_filter,
+ };
struct sock_filter filter[] = {
+ BPF_STMT(BPF_LD|BPF_W|BPF_ABS, offsetof(struct seccomp_data, args[0])),
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
};
struct sock_fprog prog = {
.len = (unsigned short)ARRAY_SIZE(filter),
.filter = filter,
};
- long ret;
- unsigned long long samples;
- unsigned long long native, filter1, filter2;
+
+ long ret, bits;
+ unsigned long long samples, calc;
+ unsigned long long native, filter1, filter2, bitmap1, bitmap2;
+ unsigned long long entry, per_filter1, per_filter2;
printf("Current BPF sysctl settings:\n");
system("sysctl net.core.bpf_jit_enable");
@@ -101,35 +161,82 @@ int main(int argc, char *argv[])
ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
assert(ret == 0);
- /* One filter */
+ /* One filter resulting in a bitmap */
+ ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &bitmap_prog);
+ assert(ret == 0);
+
+ bitmap1 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
+ printf("getpid RET_ALLOW 1 filter (bitmap): %llu ns\n", bitmap1);
+
+ /* Second filter resulting in a bitmap */
+ ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &bitmap_prog);
+ assert(ret == 0);
+
+ bitmap2 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
+ printf("getpid RET_ALLOW 2 filters (bitmap): %llu ns\n", bitmap2);
+
+ /* Third filter, can no longer be converted to bitmap */
ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog);
assert(ret == 0);
filter1 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
- printf("getpid RET_ALLOW 1 filter: %llu ns\n", filter1);
+ printf("getpid RET_ALLOW 3 filters (full): %llu ns\n", filter1);
- if (filter1 == native)
- printf("No overhead measured!? Try running again with more samples.\n");
-
- /* Two filters */
- ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog);
+ /* Fourth filter, can not be converted to bitmap because of filter 3 */
+ ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &bitmap_prog);
assert(ret == 0);
filter2 = timing(CLOCK_PROCESS_CPUTIME_ID, samples) / samples;
- printf("getpid RET_ALLOW 2 filters: %llu ns\n", filter2);
+ printf("getpid RET_ALLOW 4 filters (full): %llu ns\n", filter2);
- /* Calculations */
- printf("Estimated total seccomp overhead for 1 filter: %llu ns\n",
- filter1 - native);
+ /* Estimations */
+#define ESTIMATE(fmt, var, what) do { \
+ var = (what); \
+ printf("Estimated " fmt ": %llu ns\n", var); \
+ if (var > INT_MAX) \
+ goto more_samples; \
+ } while (0)
- printf("Estimated total seccomp overhead for 2 filters: %llu ns\n",
- filter2 - native);
+ ESTIMATE("total seccomp overhead for 1 bitmapped filter", calc,
+ bitmap1 - native);
+ ESTIMATE("total seccomp overhead for 2 bitmapped filters", calc,
+ bitmap2 - native);
+ ESTIMATE("total seccomp overhead for 3 full filters", calc,
+ filter1 - native);
+ ESTIMATE("total seccomp overhead for 4 full filters", calc,
+ filter2 - native);
+ ESTIMATE("seccomp entry overhead", entry,
+ bitmap1 - native - (bitmap2 - bitmap1));
+ ESTIMATE("seccomp per-filter overhead (last 2 diff)", per_filter1,
+ filter2 - filter1);
+ ESTIMATE("seccomp per-filter overhead (filters / 4)", per_filter2,
+ (filter2 - native - entry) / 4);
- printf("Estimated seccomp per-filter overhead: %llu ns\n",
- filter2 - filter1);
+ printf("Expectations:\n");
+ ret |= compare("native", "≤", "1 bitmap", native, le, bitmap1);
+ bits = compare("native", "≤", "1 filter", native, le, filter1);
+ if (bits)
+ goto more_samples;
- printf("Estimated seccomp entry overhead: %llu ns\n",
- filter1 - native - (filter2 - filter1));
+ ret |= compare("per-filter (last 2 diff)", "≈", "per-filter (filters / 4)",
+ per_filter1, approx, per_filter2);
+ bits = compare("1 bitmapped", "≈", "2 bitmapped",
+ bitmap1 - native, approx, bitmap2 - native);
+ if (bits) {
+ printf("Skipping constant action bitmap expectations: they appear unsupported.\n");
+ goto out;
+ }
+
+ ret |= compare("entry", "≈", "1 bitmapped", entry, approx, bitmap1 - native);
+ ret |= compare("entry", "≈", "2 bitmapped", entry, approx, bitmap2 - native);
+ ret |= compare("native + entry + (per filter * 4)", "≈", "4 filters total",
+ entry + (per_filter1 * 4) + native, approx, filter2);
+ if (ret == 0)
+ goto out;
+
+more_samples:
+ printf("Saw unexpected benchmark result. Try running again with more samples?\n");
+out:
return 0;
}
diff --git a/tools/testing/selftests/seccomp/settings b/tools/testing/selftests/seccomp/settings
index ba4d85f..6091b45 100644
--- a/tools/testing/selftests/seccomp/settings
+++ b/tools/testing/selftests/seccomp/settings
@@ -1 +1 @@
-timeout=90
+timeout=120
diff --git a/tools/testing/selftests/vm/mremap_dontunmap.c b/tools/testing/selftests/vm/mremap_dontunmap.c
index 3a7b5ef..f01dc4a 100644
--- a/tools/testing/selftests/vm/mremap_dontunmap.c
+++ b/tools/testing/selftests/vm/mremap_dontunmap.c
@@ -127,6 +127,57 @@ static void mremap_dontunmap_simple()
"unable to unmap source mapping");
}
+// This test validates that MREMAP_DONTUNMAP on a shared mapping works as expected.
+static void mremap_dontunmap_simple_shmem()
+{
+ unsigned long num_pages = 5;
+
+ int mem_fd = memfd_create("memfd", MFD_CLOEXEC);
+ BUG_ON(mem_fd < 0, "memfd_create");
+
+ BUG_ON(ftruncate(mem_fd, num_pages * page_size) < 0,
+ "ftruncate");
+
+ void *source_mapping =
+ mmap(NULL, num_pages * page_size, PROT_READ | PROT_WRITE,
+ MAP_FILE | MAP_SHARED, mem_fd, 0);
+ BUG_ON(source_mapping == MAP_FAILED, "mmap");
+
+ BUG_ON(close(mem_fd) < 0, "close");
+
+ memset(source_mapping, 'a', num_pages * page_size);
+
+ // Try to just move the whole mapping anywhere (not fixed).
+ void *dest_mapping =
+ mremap(source_mapping, num_pages * page_size, num_pages * page_size,
+ MREMAP_DONTUNMAP | MREMAP_MAYMOVE, NULL);
+ if (dest_mapping == MAP_FAILED && errno == EINVAL) {
+ // Old kernel which doesn't support MREMAP_DONTUNMAP on shmem.
+ BUG_ON(munmap(source_mapping, num_pages * page_size) == -1,
+ "unable to unmap source mapping");
+ return;
+ }
+
+ BUG_ON(dest_mapping == MAP_FAILED, "mremap");
+
+ // Validate that the pages have been moved, we know they were moved if
+ // the dest_mapping contains a's.
+ BUG_ON(check_region_contains_byte
+ (dest_mapping, num_pages * page_size, 'a') != 0,
+ "pages did not migrate");
+
+ // Because the region is backed by shmem, we will actually see the same
+ // memory at the source location still.
+ BUG_ON(check_region_contains_byte
+ (source_mapping, num_pages * page_size, 'a') != 0,
+ "source should have no ptes");
+
+ BUG_ON(munmap(dest_mapping, num_pages * page_size) == -1,
+ "unable to unmap destination mapping");
+ BUG_ON(munmap(source_mapping, num_pages * page_size) == -1,
+ "unable to unmap source mapping");
+}
+
// This test validates MREMAP_DONTUNMAP will move page tables to a specific
// destination using MREMAP_FIXED, also while validating that the source
// remains intact.
@@ -300,6 +351,7 @@ int main(void)
BUG_ON(page_buffer == MAP_FAILED, "unable to mmap a page.");
mremap_dontunmap_simple();
+ mremap_dontunmap_simple_shmem();
mremap_dontunmap_simple_fixed();
mremap_dontunmap_partial_mapping();
mremap_dontunmap_partial_mapping_overwrite();
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index d418ca5..6e34294 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -79,12 +79,16 @@ static volatile bool test_uffdio_copy_eexist = true;
static volatile bool test_uffdio_zeropage_eexist = true;
/* Whether to test uffd write-protection */
static bool test_uffdio_wp = false;
+/* Whether to test uffd minor faults */
+static bool test_uffdio_minor = false;
static bool map_shared;
+static int shm_fd;
static int huge_fd;
static char *huge_fd_off0;
static unsigned long long *count_verify;
-static int uffd, uffd_flags, finished, *pipefd;
+static int uffd = -1;
+static int uffd_flags, finished, *pipefd;
static char *area_src, *area_src_alias, *area_dst, *area_dst_alias;
static char *zeropage;
pthread_attr_t attr;
@@ -94,6 +98,7 @@ struct uffd_stats {
int cpu;
unsigned long missing_faults;
unsigned long wp_faults;
+ unsigned long minor_faults;
};
/* pthread_mutex_t starts at page offset 0 */
@@ -135,6 +140,20 @@ static void usage(void)
exit(1);
}
+#define _err(fmt, ...) \
+ do { \
+ int ret = errno; \
+ fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \
+ fprintf(stderr, " (errno=%d, line=%d)\n", \
+ ret, __LINE__); \
+ } while (0)
+
+#define err(fmt, ...) \
+ do { \
+ _err(fmt, ##__VA_ARGS__); \
+ exit(1); \
+ } while (0)
+
static void uffd_stats_reset(struct uffd_stats *uffd_stats,
unsigned long n_cpus)
{
@@ -144,68 +163,67 @@ static void uffd_stats_reset(struct uffd_stats *uffd_stats,
uffd_stats[i].cpu = i;
uffd_stats[i].missing_faults = 0;
uffd_stats[i].wp_faults = 0;
+ uffd_stats[i].minor_faults = 0;
}
}
static void uffd_stats_report(struct uffd_stats *stats, int n_cpus)
{
int i;
- unsigned long long miss_total = 0, wp_total = 0;
+ unsigned long long miss_total = 0, wp_total = 0, minor_total = 0;
for (i = 0; i < n_cpus; i++) {
miss_total += stats[i].missing_faults;
wp_total += stats[i].wp_faults;
+ minor_total += stats[i].minor_faults;
}
- printf("userfaults: %llu missing (", miss_total);
- for (i = 0; i < n_cpus; i++)
- printf("%lu+", stats[i].missing_faults);
- printf("\b), %llu wp (", wp_total);
- for (i = 0; i < n_cpus; i++)
- printf("%lu+", stats[i].wp_faults);
- printf("\b)\n");
+ printf("userfaults: ");
+ if (miss_total) {
+ printf("%llu missing (", miss_total);
+ for (i = 0; i < n_cpus; i++)
+ printf("%lu+", stats[i].missing_faults);
+ printf("\b) ");
+ }
+ if (wp_total) {
+ printf("%llu wp (", wp_total);
+ for (i = 0; i < n_cpus; i++)
+ printf("%lu+", stats[i].wp_faults);
+ printf("\b) ");
+ }
+ if (minor_total) {
+ printf("%llu minor (", minor_total);
+ for (i = 0; i < n_cpus; i++)
+ printf("%lu+", stats[i].minor_faults);
+ printf("\b)");
+ }
+ printf("\n");
}
-static int anon_release_pages(char *rel_area)
+static void anon_release_pages(char *rel_area)
{
- int ret = 0;
-
- if (madvise(rel_area, nr_pages * page_size, MADV_DONTNEED)) {
- perror("madvise");
- ret = 1;
- }
-
- return ret;
+ if (madvise(rel_area, nr_pages * page_size, MADV_DONTNEED))
+ err("madvise(MADV_DONTNEED) failed");
}
static void anon_allocate_area(void **alloc_area)
{
*alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
- if (*alloc_area == MAP_FAILED) {
- fprintf(stderr, "mmap of anonymous memory failed");
- *alloc_area = NULL;
- }
+ if (*alloc_area == MAP_FAILED)
+ err("posix_memalign() failed");
}
static void noop_alias_mapping(__u64 *start, size_t len, unsigned long offset)
{
}
-/* HugeTLB memory */
-static int hugetlb_release_pages(char *rel_area)
+static void hugetlb_release_pages(char *rel_area)
{
- int ret = 0;
-
if (fallocate(huge_fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
- rel_area == huge_fd_off0 ? 0 :
- nr_pages * page_size,
- nr_pages * page_size)) {
- perror("fallocate");
- ret = 1;
- }
-
- return ret;
+ rel_area == huge_fd_off0 ? 0 : nr_pages * page_size,
+ nr_pages * page_size))
+ err("fallocate() failed");
}
static void hugetlb_allocate_area(void **alloc_area)
@@ -218,20 +236,16 @@ static void hugetlb_allocate_area(void **alloc_area)
MAP_HUGETLB,
huge_fd, *alloc_area == area_src ? 0 :
nr_pages * page_size);
- if (*alloc_area == MAP_FAILED) {
- perror("mmap of hugetlbfs file failed");
- goto fail;
- }
+ if (*alloc_area == MAP_FAILED)
+ err("mmap of hugetlbfs file failed");
if (map_shared) {
area_alias = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_HUGETLB,
huge_fd, *alloc_area == area_src ? 0 :
nr_pages * page_size);
- if (area_alias == MAP_FAILED) {
- perror("mmap of hugetlb file alias failed");
- goto fail_munmap;
- }
+ if (area_alias == MAP_FAILED)
+ err("mmap of hugetlb file alias failed");
}
if (*alloc_area == area_src) {
@@ -240,18 +254,9 @@ static void hugetlb_allocate_area(void **alloc_area)
} else {
alloc_area_alias = &area_dst_alias;
}
+
if (area_alias)
*alloc_area_alias = area_alias;
-
- return;
-
-fail_munmap:
- if (munmap(*alloc_area, nr_pages * page_size) < 0) {
- perror("hugetlb munmap");
- exit(1);
- }
-fail:
- *alloc_area = NULL;
}
static void hugetlb_alias_mapping(__u64 *start, size_t len, unsigned long offset)
@@ -267,33 +272,43 @@ static void hugetlb_alias_mapping(__u64 *start, size_t len, unsigned long offset
*start = (unsigned long) area_dst_alias + offset;
}
-/* Shared memory */
-static int shmem_release_pages(char *rel_area)
+static void shmem_release_pages(char *rel_area)
{
- int ret = 0;
-
- if (madvise(rel_area, nr_pages * page_size, MADV_REMOVE)) {
- perror("madvise");
- ret = 1;
- }
-
- return ret;
+ if (madvise(rel_area, nr_pages * page_size, MADV_REMOVE))
+ err("madvise(MADV_REMOVE) failed");
}
static void shmem_allocate_area(void **alloc_area)
{
+ void *area_alias = NULL;
+ bool is_src = alloc_area == (void **)&area_src;
+ unsigned long offset = is_src ? 0 : nr_pages * page_size;
+
*alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
- MAP_ANONYMOUS | MAP_SHARED, -1, 0);
- if (*alloc_area == MAP_FAILED) {
- fprintf(stderr, "shared memory mmap failed\n");
- *alloc_area = NULL;
- }
+ MAP_SHARED, shm_fd, offset);
+ if (*alloc_area == MAP_FAILED)
+ err("mmap of memfd failed");
+
+ area_alias = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, shm_fd, offset);
+ if (area_alias == MAP_FAILED)
+ err("mmap of memfd alias failed");
+
+ if (is_src)
+ area_src_alias = area_alias;
+ else
+ area_dst_alias = area_alias;
+}
+
+static void shmem_alias_mapping(__u64 *start, size_t len, unsigned long offset)
+{
+ *start = (unsigned long)area_dst_alias + offset;
}
struct uffd_test_ops {
unsigned long expected_ioctls;
void (*allocate_area)(void **alloc_area);
- int (*release_pages)(char *rel_area);
+ void (*release_pages)(char *rel_area);
void (*alias_mapping)(__u64 *start, size_t len, unsigned long offset);
};
@@ -317,11 +332,11 @@ static struct uffd_test_ops shmem_uffd_test_ops = {
.expected_ioctls = SHMEM_EXPECTED_IOCTLS,
.allocate_area = shmem_allocate_area,
.release_pages = shmem_release_pages,
- .alias_mapping = noop_alias_mapping,
+ .alias_mapping = shmem_alias_mapping,
};
static struct uffd_test_ops hugetlb_uffd_test_ops = {
- .expected_ioctls = UFFD_API_RANGE_IOCTLS_BASIC,
+ .expected_ioctls = UFFD_API_RANGE_IOCTLS_BASIC & ~(1 << _UFFDIO_CONTINUE),
.allocate_area = hugetlb_allocate_area,
.release_pages = hugetlb_release_pages,
.alias_mapping = hugetlb_alias_mapping,
@@ -329,6 +344,111 @@ static struct uffd_test_ops hugetlb_uffd_test_ops = {
static struct uffd_test_ops *uffd_test_ops;
+static void userfaultfd_open(uint64_t *features)
+{
+ struct uffdio_api uffdio_api;
+
+ uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK | UFFD_USER_MODE_ONLY);
+ if (uffd < 0)
+ err("userfaultfd syscall not available in this kernel");
+ uffd_flags = fcntl(uffd, F_GETFD, NULL);
+
+ uffdio_api.api = UFFD_API;
+ uffdio_api.features = *features;
+ if (ioctl(uffd, UFFDIO_API, &uffdio_api))
+ err("UFFDIO_API failed.\nPlease make sure to "
+ "run with either root or ptrace capability.");
+ if (uffdio_api.api != UFFD_API)
+ err("UFFDIO_API error: %" PRIu64, (uint64_t)uffdio_api.api);
+
+ *features = uffdio_api.features;
+}
+
+static inline void munmap_area(void **area)
+{
+ if (*area)
+ if (munmap(*area, nr_pages * page_size))
+ err("munmap");
+
+ *area = NULL;
+}
+
+static void uffd_test_ctx_clear(void)
+{
+ size_t i;
+
+ if (pipefd) {
+ for (i = 0; i < nr_cpus * 2; ++i) {
+ if (close(pipefd[i]))
+ err("close pipefd");
+ }
+ free(pipefd);
+ pipefd = NULL;
+ }
+
+ if (count_verify) {
+ free(count_verify);
+ count_verify = NULL;
+ }
+
+ if (uffd != -1) {
+ if (close(uffd))
+ err("close uffd");
+ uffd = -1;
+ }
+
+ huge_fd_off0 = NULL;
+ munmap_area((void **)&area_src);
+ munmap_area((void **)&area_src_alias);
+ munmap_area((void **)&area_dst);
+ munmap_area((void **)&area_dst_alias);
+}
+
+static void uffd_test_ctx_init_ext(uint64_t *features)
+{
+ unsigned long nr, cpu;
+
+ uffd_test_ctx_clear();
+
+ uffd_test_ops->allocate_area((void **)&area_src);
+ uffd_test_ops->allocate_area((void **)&area_dst);
+
+ uffd_test_ops->release_pages(area_src);
+ uffd_test_ops->release_pages(area_dst);
+
+ userfaultfd_open(features);
+
+ count_verify = malloc(nr_pages * sizeof(unsigned long long));
+ if (!count_verify)
+ err("count_verify");
+
+ for (nr = 0; nr < nr_pages; nr++) {
+ *area_mutex(area_src, nr) =
+ (pthread_mutex_t)PTHREAD_MUTEX_INITIALIZER;
+ count_verify[nr] = *area_count(area_src, nr) = 1;
+ /*
+ * In the transition between 255 to 256, powerpc will
+ * read out of order in my_bcmp and see both bytes as
+ * zero, so leave a placeholder below always non-zero
+ * after the count, to avoid my_bcmp to trigger false
+ * positives.
+ */
+ *(area_count(area_src, nr) + 1) = 1;
+ }
+
+ pipefd = malloc(sizeof(int) * nr_cpus * 2);
+ if (!pipefd)
+ err("pipefd");
+ for (cpu = 0; cpu < nr_cpus; cpu++)
+ if (pipe2(&pipefd[cpu * 2], O_CLOEXEC | O_NONBLOCK))
+ err("pipe");
+}
+
+static inline void uffd_test_ctx_init(uint64_t features)
+{
+ uffd_test_ctx_init_ext(&features);
+}
+
static int my_bcmp(char *str1, char *str2, size_t n)
{
unsigned long i;
@@ -348,10 +468,33 @@ static void wp_range(int ufd, __u64 start, __u64 len, bool wp)
/* Undo write-protect, do wakeup after that */
prms.mode = wp ? UFFDIO_WRITEPROTECT_MODE_WP : 0;
- if (ioctl(ufd, UFFDIO_WRITEPROTECT, &prms)) {
- fprintf(stderr, "clear WP failed for address 0x%Lx\n", start);
- exit(1);
- }
+ if (ioctl(ufd, UFFDIO_WRITEPROTECT, &prms))
+ err("clear WP failed: address=0x%"PRIx64, (uint64_t)start);
+}
+
+static void continue_range(int ufd, __u64 start, __u64 len)
+{
+ struct uffdio_continue req;
+ int ret;
+
+ req.range.start = start;
+ req.range.len = len;
+ req.mode = 0;
+
+ if (ioctl(ufd, UFFDIO_CONTINUE, &req))
+ err("UFFDIO_CONTINUE failed for address 0x%" PRIx64,
+ (uint64_t)start);
+
+ /*
+ * Error handling within the kernel for continue is subtly different
+ * from copy or zeropage, so it may be a source of bugs. Trigger an
+ * error (-EEXIST) on purpose, to verify doing so doesn't cause a BUG.
+ */
+ req.mapped = 0;
+ ret = ioctl(ufd, UFFDIO_CONTINUE, &req);
+ if (ret >= 0 || req.mapped != -EEXIST)
+ err("failed to exercise UFFDIO_CONTINUE error handling, ret=%d, mapped=%" PRId64,
+ ret, (int64_t) req.mapped);
}
static void *locking_thread(void *arg)
@@ -363,7 +506,6 @@ static void *locking_thread(void *arg)
unsigned long long count;
char randstate[64];
unsigned int seed;
- time_t start;
if (bounces & BOUNCE_RANDOM) {
seed = (unsigned int) time(NULL) - bounces;
@@ -371,10 +513,8 @@ static void *locking_thread(void *arg)
seed += cpu;
bzero(&rand, sizeof(rand));
bzero(&randstate, sizeof(randstate));
- if (initstate_r(seed, randstate, sizeof(randstate), &rand)) {
- fprintf(stderr, "srandom_r error\n");
- exit(1);
- }
+ if (initstate_r(seed, randstate, sizeof(randstate), &rand))
+ err("initstate_r failed");
} else {
page_nr = -bounces;
if (!(bounces & BOUNCE_RACINGFAULTS))
@@ -383,92 +523,26 @@ static void *locking_thread(void *arg)
while (!finished) {
if (bounces & BOUNCE_RANDOM) {
- if (random_r(&rand, &rand_nr)) {
- fprintf(stderr, "random_r 1 error\n");
- exit(1);
- }
+ if (random_r(&rand, &rand_nr))
+ err("random_r failed");
page_nr = rand_nr;
if (sizeof(page_nr) > sizeof(rand_nr)) {
- if (random_r(&rand, &rand_nr)) {
- fprintf(stderr, "random_r 2 error\n");
- exit(1);
- }
+ if (random_r(&rand, &rand_nr))
+ err("random_r failed");
page_nr |= (((unsigned long) rand_nr) << 16) <<
16;
}
} else
page_nr += 1;
page_nr %= nr_pages;
-
- start = time(NULL);
- if (bounces & BOUNCE_VERIFY) {
- count = *area_count(area_dst, page_nr);
- if (!count) {
- fprintf(stderr,
- "page_nr %lu wrong count %Lu %Lu\n",
- page_nr, count,
- count_verify[page_nr]);
- exit(1);
- }
-
-
- /*
- * We can't use bcmp (or memcmp) because that
- * returns 0 erroneously if the memory is
- * changing under it (even if the end of the
- * page is never changing and always
- * different).
- */
-#if 1
- if (!my_bcmp(area_dst + page_nr * page_size, zeropage,
- page_size)) {
- fprintf(stderr,
- "my_bcmp page_nr %lu wrong count %Lu %Lu\n",
- page_nr, count, count_verify[page_nr]);
- exit(1);
- }
-#else
- unsigned long loops;
-
- loops = 0;
- /* uncomment the below line to test with mutex */
- /* pthread_mutex_lock(area_mutex(area_dst, page_nr)); */
- while (!bcmp(area_dst + page_nr * page_size, zeropage,
- page_size)) {
- loops += 1;
- if (loops > 10)
- break;
- }
- /* uncomment below line to test with mutex */
- /* pthread_mutex_unlock(area_mutex(area_dst, page_nr)); */
- if (loops) {
- fprintf(stderr,
- "page_nr %lu all zero thread %lu %p %lu\n",
- page_nr, cpu, area_dst + page_nr * page_size,
- loops);
- if (loops > 10)
- exit(1);
- }
-#endif
- }
-
pthread_mutex_lock(area_mutex(area_dst, page_nr));
count = *area_count(area_dst, page_nr);
- if (count != count_verify[page_nr]) {
- fprintf(stderr,
- "page_nr %lu memory corruption %Lu %Lu\n",
- page_nr, count,
- count_verify[page_nr]); exit(1);
- }
+ if (count != count_verify[page_nr])
+ err("page_nr %lu memory corruption %llu %llu",
+ page_nr, count, count_verify[page_nr]);
count++;
*area_count(area_dst, page_nr) = count_verify[page_nr] = count;
pthread_mutex_unlock(area_mutex(area_dst, page_nr));
-
- if (time(NULL) - start > 1)
- fprintf(stderr,
- "userfault too slow %ld "
- "possible false positive with overcommit\n",
- time(NULL) - start);
}
return NULL;
@@ -482,14 +556,12 @@ static void retry_copy_page(int ufd, struct uffdio_copy *uffdio_copy,
offset);
if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) {
/* real retval in ufdio_copy.copy */
- if (uffdio_copy->copy != -EEXIST) {
- fprintf(stderr, "UFFDIO_COPY retry error %Ld\n",
- uffdio_copy->copy);
- exit(1);
- }
+ if (uffdio_copy->copy != -EEXIST)
+ err("UFFDIO_COPY retry error: %"PRId64,
+ (int64_t)uffdio_copy->copy);
} else {
- fprintf(stderr, "UFFDIO_COPY retry unexpected %Ld\n",
- uffdio_copy->copy); exit(1);
+ err("UFFDIO_COPY retry unexpected: %"PRId64,
+ (int64_t)uffdio_copy->copy);
}
}
@@ -497,10 +569,8 @@ static int __copy_page(int ufd, unsigned long offset, bool retry)
{
struct uffdio_copy uffdio_copy;
- if (offset >= nr_pages * page_size) {
- fprintf(stderr, "unexpected offset %lu\n", offset);
- exit(1);
- }
+ if (offset >= nr_pages * page_size)
+ err("unexpected offset %lu\n", offset);
uffdio_copy.dst = (unsigned long) area_dst + offset;
uffdio_copy.src = (unsigned long) area_src + offset;
uffdio_copy.len = page_size;
@@ -511,14 +581,11 @@ static int __copy_page(int ufd, unsigned long offset, bool retry)
uffdio_copy.copy = 0;
if (ioctl(ufd, UFFDIO_COPY, &uffdio_copy)) {
/* real retval in ufdio_copy.copy */
- if (uffdio_copy.copy != -EEXIST) {
- fprintf(stderr, "UFFDIO_COPY error %Ld\n",
- uffdio_copy.copy);
- exit(1);
- }
+ if (uffdio_copy.copy != -EEXIST)
+ err("UFFDIO_COPY error: %"PRId64,
+ (int64_t)uffdio_copy.copy);
} else if (uffdio_copy.copy != page_size) {
- fprintf(stderr, "UFFDIO_COPY unexpected copy %Ld\n",
- uffdio_copy.copy); exit(1);
+ err("UFFDIO_COPY error: %"PRId64, (int64_t)uffdio_copy.copy);
} else {
if (test_uffdio_copy_eexist && retry) {
test_uffdio_copy_eexist = false;
@@ -547,11 +614,10 @@ static int uffd_read_msg(int ufd, struct uffd_msg *msg)
if (ret < 0) {
if (errno == EAGAIN)
return 1;
- perror("blocking read error");
+ err("blocking read error");
} else {
- fprintf(stderr, "short read\n");
+ err("short read");
}
- exit(1);
}
return 0;
@@ -562,21 +628,40 @@ static void uffd_handle_page_fault(struct uffd_msg *msg,
{
unsigned long offset;
- if (msg->event != UFFD_EVENT_PAGEFAULT) {
- fprintf(stderr, "unexpected msg event %u\n", msg->event);
- exit(1);
- }
+ if (msg->event != UFFD_EVENT_PAGEFAULT)
+ err("unexpected msg event %u", msg->event);
if (msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WP) {
+ /* Write protect page faults */
wp_range(uffd, msg->arg.pagefault.address, page_size, false);
stats->wp_faults++;
+ } else if (msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_MINOR) {
+ uint8_t *area;
+ int b;
+
+ /*
+ * Minor page faults
+ *
+ * To prove we can modify the original range for testing
+ * purposes, we're going to bit flip this range before
+ * continuing.
+ *
+ * Note that this requires all minor page fault tests operate on
+ * area_dst (non-UFFD-registered) and area_dst_alias
+ * (UFFD-registered).
+ */
+
+ area = (uint8_t *)(area_dst +
+ ((char *)msg->arg.pagefault.address -
+ area_dst_alias));
+ for (b = 0; b < page_size; ++b)
+ area[b] = ~area[b];
+ continue_range(uffd, msg->arg.pagefault.address, page_size);
+ stats->minor_faults++;
} else {
/* Missing page faults */
- if (bounces & BOUNCE_VERIFY &&
- msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WRITE) {
- fprintf(stderr, "unexpected write fault\n");
- exit(1);
- }
+ if (msg->arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WRITE)
+ err("unexpected write fault");
offset = (char *)(unsigned long)msg->arg.pagefault.address - area_dst;
offset &= ~(page_size-1);
@@ -603,32 +688,20 @@ static void *uffd_poll_thread(void *arg)
for (;;) {
ret = poll(pollfd, 2, -1);
- if (!ret) {
- fprintf(stderr, "poll error %d\n", ret);
- exit(1);
- }
- if (ret < 0) {
- perror("poll");
- exit(1);
- }
+ if (ret <= 0)
+ err("poll error: %d", ret);
if (pollfd[1].revents & POLLIN) {
- if (read(pollfd[1].fd, &tmp_chr, 1) != 1) {
- fprintf(stderr, "read pipefd error\n");
- exit(1);
- }
+ if (read(pollfd[1].fd, &tmp_chr, 1) != 1)
+ err("read pipefd error");
break;
}
- if (!(pollfd[0].revents & POLLIN)) {
- fprintf(stderr, "pollfd[0].revents %d\n",
- pollfd[0].revents);
- exit(1);
- }
+ if (!(pollfd[0].revents & POLLIN))
+ err("pollfd[0].revents %d", pollfd[0].revents);
if (uffd_read_msg(uffd, &msg))
continue;
switch (msg.event) {
default:
- fprintf(stderr, "unexpected msg event %u\n",
- msg.event); exit(1);
+ err("unexpected msg event %u\n", msg.event);
break;
case UFFD_EVENT_PAGEFAULT:
uffd_handle_page_fault(&msg, stats);
@@ -642,10 +715,8 @@ static void *uffd_poll_thread(void *arg)
uffd_reg.range.start = msg.arg.remove.start;
uffd_reg.range.len = msg.arg.remove.end -
msg.arg.remove.start;
- if (ioctl(uffd, UFFDIO_UNREGISTER, &uffd_reg.range)) {
- fprintf(stderr, "remove failure\n");
- exit(1);
- }
+ if (ioctl(uffd, UFFDIO_UNREGISTER, &uffd_reg.range))
+ err("remove failure");
break;
case UFFD_EVENT_REMAP:
area_dst = (char *)(unsigned long)msg.arg.remap.to;
@@ -748,9 +819,7 @@ static int stress(struct uffd_stats *uffd_stats)
* UFFDIO_COPY without writing zero pages into area_dst
* because the background threads already completed).
*/
- if (uffd_test_ops->release_pages(area_src))
- return 1;
-
+ uffd_test_ops->release_pages(area_src);
finished = 1;
for (cpu = 0; cpu < nr_cpus; cpu++)
@@ -760,10 +829,8 @@ static int stress(struct uffd_stats *uffd_stats)
for (cpu = 0; cpu < nr_cpus; cpu++) {
char c;
if (bounces & BOUNCE_POLL) {
- if (write(pipefd[cpu*2+1], &c, 1) != 1) {
- fprintf(stderr, "pipefd write error\n");
- return 1;
- }
+ if (write(pipefd[cpu*2+1], &c, 1) != 1)
+ err("pipefd write error");
if (pthread_join(uffd_threads[cpu],
(void *)&uffd_stats[cpu]))
return 1;
@@ -778,32 +845,6 @@ static int stress(struct uffd_stats *uffd_stats)
return 0;
}
-static int userfaultfd_open(int features)
-{
- struct uffdio_api uffdio_api;
-
- uffd = syscall(__NR_userfaultfd, O_CLOEXEC | O_NONBLOCK);
- if (uffd < 0) {
- fprintf(stderr,
- "userfaultfd syscall not available in this kernel\n");
- return 1;
- }
- uffd_flags = fcntl(uffd, F_GETFD, NULL);
-
- uffdio_api.api = UFFD_API;
- uffdio_api.features = features;
- if (ioctl(uffd, UFFDIO_API, &uffdio_api)) {
- fprintf(stderr, "UFFDIO_API\n");
- return 1;
- }
- if (uffdio_api.api != UFFD_API) {
- fprintf(stderr, "UFFDIO_API error %Lu\n", uffdio_api.api);
- return 1;
- }
-
- return 0;
-}
-
sigjmp_buf jbuf, *sigbuf;
static void sighndl(int sig, siginfo_t *siginfo, void *ptr)
@@ -855,10 +896,8 @@ static int faulting_process(int signal_test)
memset(&act, 0, sizeof(act));
act.sa_sigaction = sighndl;
act.sa_flags = SA_SIGINFO;
- if (sigaction(SIGBUS, &act, 0)) {
- perror("sigaction");
- return 1;
- }
+ if (sigaction(SIGBUS, &act, 0))
+ err("sigaction");
lastnr = (unsigned long)-1;
}
@@ -868,10 +907,8 @@ static int faulting_process(int signal_test)
if (signal_test) {
if (sigsetjmp(*sigbuf, 1) != 0) {
- if (steps == 1 && nr == lastnr) {
- fprintf(stderr, "Signal repeated\n");
- return 1;
- }
+ if (steps == 1 && nr == lastnr)
+ err("Signal repeated");
lastnr = nr;
if (signal_test == 1) {
@@ -896,14 +933,11 @@ static int faulting_process(int signal_test)
}
count = *area_count(area_dst, nr);
- if (count != count_verify[nr]) {
- fprintf(stderr,
- "nr %lu memory corruption %Lu %Lu\n",
- nr, count,
- count_verify[nr]);
- }
+ if (count != count_verify[nr])
+ err("nr %lu memory corruption %llu %llu\n",
+ nr, count, count_verify[nr]);
/*
- * Trigger write protection if there is by writting
+ * Trigger write protection if there is by writing
* the same value back.
*/
*area_count(area_dst, nr) = count;
@@ -917,35 +951,29 @@ static int faulting_process(int signal_test)
area_dst = mremap(area_dst, nr_pages * page_size, nr_pages * page_size,
MREMAP_MAYMOVE | MREMAP_FIXED, area_src);
- if (area_dst == MAP_FAILED) {
- perror("mremap");
- exit(1);
- }
+ if (area_dst == MAP_FAILED)
+ err("mremap");
+ /* Reset area_src since we just clobbered it */
+ area_src = NULL;
for (; nr < nr_pages; nr++) {
count = *area_count(area_dst, nr);
if (count != count_verify[nr]) {
- fprintf(stderr,
- "nr %lu memory corruption %Lu %Lu\n",
- nr, count,
- count_verify[nr]); exit(1);
+ err("nr %lu memory corruption %llu %llu\n",
+ nr, count, count_verify[nr]);
}
/*
- * Trigger write protection if there is by writting
+ * Trigger write protection if there is by writing
* the same value back.
*/
*area_count(area_dst, nr) = count;
}
- if (uffd_test_ops->release_pages(area_dst))
- return 1;
+ uffd_test_ops->release_pages(area_dst);
- for (nr = 0; nr < nr_pages; nr++) {
- if (my_bcmp(area_dst + nr * page_size, zeropage, page_size)) {
- fprintf(stderr, "nr %lu is not zero\n", nr);
- exit(1);
- }
- }
+ for (nr = 0; nr < nr_pages; nr++)
+ if (my_bcmp(area_dst + nr * page_size, zeropage, page_size))
+ err("nr %lu is not zero", nr);
return 0;
}
@@ -958,14 +986,12 @@ static void retry_uffdio_zeropage(int ufd,
uffdio_zeropage->range.len,
offset);
if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) {
- if (uffdio_zeropage->zeropage != -EEXIST) {
- fprintf(stderr, "UFFDIO_ZEROPAGE retry error %Ld\n",
- uffdio_zeropage->zeropage);
- exit(1);
- }
+ if (uffdio_zeropage->zeropage != -EEXIST)
+ err("UFFDIO_ZEROPAGE error: %"PRId64,
+ (int64_t)uffdio_zeropage->zeropage);
} else {
- fprintf(stderr, "UFFDIO_ZEROPAGE retry unexpected %Ld\n",
- uffdio_zeropage->zeropage); exit(1);
+ err("UFFDIO_ZEROPAGE error: %"PRId64,
+ (int64_t)uffdio_zeropage->zeropage);
}
}
@@ -974,40 +1000,26 @@ static int __uffdio_zeropage(int ufd, unsigned long offset, bool retry)
struct uffdio_zeropage uffdio_zeropage;
int ret;
unsigned long has_zeropage;
+ __s64 res;
has_zeropage = uffd_test_ops->expected_ioctls & (1 << _UFFDIO_ZEROPAGE);
- if (offset >= nr_pages * page_size) {
- fprintf(stderr, "unexpected offset %lu\n", offset);
- exit(1);
- }
+ if (offset >= nr_pages * page_size)
+ err("unexpected offset %lu", offset);
uffdio_zeropage.range.start = (unsigned long) area_dst + offset;
uffdio_zeropage.range.len = page_size;
uffdio_zeropage.mode = 0;
ret = ioctl(ufd, UFFDIO_ZEROPAGE, &uffdio_zeropage);
+ res = uffdio_zeropage.zeropage;
if (ret) {
/* real retval in ufdio_zeropage.zeropage */
- if (has_zeropage) {
- if (uffdio_zeropage.zeropage == -EEXIST) {
- fprintf(stderr, "UFFDIO_ZEROPAGE -EEXIST\n");
- exit(1);
- } else {
- fprintf(stderr, "UFFDIO_ZEROPAGE error %Ld\n",
- uffdio_zeropage.zeropage);
- exit(1);
- }
- } else {
- if (uffdio_zeropage.zeropage != -EINVAL) {
- fprintf(stderr,
- "UFFDIO_ZEROPAGE not -EINVAL %Ld\n",
- uffdio_zeropage.zeropage);
- exit(1);
- }
- }
+ if (has_zeropage)
+ err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res);
+ else if (res != -EINVAL)
+ err("UFFDIO_ZEROPAGE not -EINVAL");
} else if (has_zeropage) {
- if (uffdio_zeropage.zeropage != page_size) {
- fprintf(stderr, "UFFDIO_ZEROPAGE unexpected %Ld\n",
- uffdio_zeropage.zeropage); exit(1);
+ if (res != page_size) {
+ err("UFFDIO_ZEROPAGE unexpected size");
} else {
if (test_uffdio_zeropage_eexist && retry) {
test_uffdio_zeropage_eexist = false;
@@ -1016,11 +1028,8 @@ static int __uffdio_zeropage(int ufd, unsigned long offset, bool retry)
}
return 1;
}
- } else {
- fprintf(stderr,
- "UFFDIO_ZEROPAGE succeeded %Ld\n",
- uffdio_zeropage.zeropage); exit(1);
- }
+ } else
+ err("UFFDIO_ZEROPAGE succeeded");
return 0;
}
@@ -1039,37 +1048,24 @@ static int userfaultfd_zeropage_test(void)
printf("testing UFFDIO_ZEROPAGE: ");
fflush(stdout);
- if (uffd_test_ops->release_pages(area_dst))
- return 1;
+ uffd_test_ctx_init(0);
- if (userfaultfd_open(0) < 0)
- return 1;
uffdio_register.range.start = (unsigned long) area_dst;
uffdio_register.range.len = nr_pages * page_size;
uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
if (test_uffdio_wp)
uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
- if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
- fprintf(stderr, "register failure\n");
- exit(1);
- }
+ if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+ err("register failure");
expected_ioctls = uffd_test_ops->expected_ioctls;
- if ((uffdio_register.ioctls & expected_ioctls) !=
- expected_ioctls) {
- fprintf(stderr,
- "unexpected missing ioctl for anon memory\n");
- exit(1);
- }
+ if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+ err("unexpected missing ioctl for anon memory");
- if (uffdio_zeropage(uffd, 0)) {
- if (my_bcmp(area_dst, zeropage, page_size)) {
- fprintf(stderr, "zeropage is not zero\n");
- exit(1);
- }
- }
+ if (uffdio_zeropage(uffd, 0))
+ if (my_bcmp(area_dst, zeropage, page_size))
+ err("zeropage is not zero");
- close(uffd);
printf("done.\n");
return 0;
}
@@ -1087,13 +1083,10 @@ static int userfaultfd_events_test(void)
printf("testing events (fork, remap, remove): ");
fflush(stdout);
- if (uffd_test_ops->release_pages(area_dst))
- return 1;
-
features = UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_EVENT_REMAP |
UFFD_FEATURE_EVENT_REMOVE;
- if (userfaultfd_open(features) < 0)
- return 1;
+ uffd_test_ctx_init(features);
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
uffdio_register.range.start = (unsigned long) area_dst;
@@ -1101,46 +1094,31 @@ static int userfaultfd_events_test(void)
uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
if (test_uffdio_wp)
uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
- if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
- fprintf(stderr, "register failure\n");
- exit(1);
- }
+ if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+ err("register failure");
expected_ioctls = uffd_test_ops->expected_ioctls;
- if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls) {
- fprintf(stderr, "unexpected missing ioctl for anon memory\n");
- exit(1);
- }
+ if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+ err("unexpected missing ioctl for anon memory");
- if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats)) {
- perror("uffd_poll_thread create");
- exit(1);
- }
+ if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats))
+ err("uffd_poll_thread create");
pid = fork();
- if (pid < 0) {
- perror("fork");
- exit(1);
- }
+ if (pid < 0)
+ err("fork");
if (!pid)
- return faulting_process(0);
+ exit(faulting_process(0));
waitpid(pid, &err, 0);
- if (err) {
- fprintf(stderr, "faulting process failed\n");
- exit(1);
- }
-
- if (write(pipefd[1], &c, sizeof(c)) != sizeof(c)) {
- perror("pipe write");
- exit(1);
- }
+ if (err)
+ err("faulting process failed");
+ if (write(pipefd[1], &c, sizeof(c)) != sizeof(c))
+ err("pipe write");
if (pthread_join(uffd_mon, NULL))
return 1;
- close(uffd);
-
uffd_stats_report(&stats, 1);
return stats.missing_faults != nr_pages;
@@ -1160,12 +1138,9 @@ static int userfaultfd_sig_test(void)
printf("testing signal delivery: ");
fflush(stdout);
- if (uffd_test_ops->release_pages(area_dst))
- return 1;
-
features = UFFD_FEATURE_EVENT_FORK|UFFD_FEATURE_SIGBUS;
- if (userfaultfd_open(features) < 0)
- return 1;
+ uffd_test_ctx_init(features);
+
fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK);
uffdio_register.range.start = (unsigned long) area_dst;
@@ -1173,116 +1148,140 @@ static int userfaultfd_sig_test(void)
uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
if (test_uffdio_wp)
uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
- if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
- fprintf(stderr, "register failure\n");
- exit(1);
- }
+ if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+ err("register failure");
expected_ioctls = uffd_test_ops->expected_ioctls;
- if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls) {
- fprintf(stderr, "unexpected missing ioctl for anon memory\n");
- exit(1);
- }
+ if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+ err("unexpected missing ioctl for anon memory");
- if (faulting_process(1)) {
- fprintf(stderr, "faulting process failed\n");
- exit(1);
- }
+ if (faulting_process(1))
+ err("faulting process failed");
- if (uffd_test_ops->release_pages(area_dst))
- return 1;
+ uffd_test_ops->release_pages(area_dst);
- if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats)) {
- perror("uffd_poll_thread create");
- exit(1);
- }
+ if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats))
+ err("uffd_poll_thread create");
pid = fork();
- if (pid < 0) {
- perror("fork");
- exit(1);
- }
+ if (pid < 0)
+ err("fork");
if (!pid)
exit(faulting_process(2));
waitpid(pid, &err, 0);
- if (err) {
- fprintf(stderr, "faulting process failed\n");
- exit(1);
- }
-
- if (write(pipefd[1], &c, sizeof(c)) != sizeof(c)) {
- perror("pipe write");
- exit(1);
- }
+ if (err)
+ err("faulting process failed");
+ if (write(pipefd[1], &c, sizeof(c)) != sizeof(c))
+ err("pipe write");
if (pthread_join(uffd_mon, (void **)&userfaults))
return 1;
printf("done.\n");
if (userfaults)
- fprintf(stderr, "Signal test failed, userfaults: %ld\n",
- userfaults);
- close(uffd);
+ err("Signal test failed, userfaults: %ld", userfaults);
+
return userfaults != 0;
}
+static int userfaultfd_minor_test(void)
+{
+ struct uffdio_register uffdio_register;
+ unsigned long expected_ioctls;
+ unsigned long p;
+ pthread_t uffd_mon;
+ uint8_t expected_byte;
+ void *expected_page;
+ char c;
+ struct uffd_stats stats = { 0 };
+ uint64_t req_features, features_out;
+
+ if (!test_uffdio_minor)
+ return 0;
+
+ printf("testing minor faults: ");
+ fflush(stdout);
+
+ if (test_type == TEST_HUGETLB)
+ req_features = UFFD_FEATURE_MINOR_HUGETLBFS;
+ else if (test_type == TEST_SHMEM)
+ req_features = UFFD_FEATURE_MINOR_SHMEM;
+ else
+ return 1;
+
+ features_out = req_features;
+ uffd_test_ctx_init_ext(&features_out);
+ /* If kernel reports required features aren't supported, skip test. */
+ if ((features_out & req_features) != req_features) {
+ printf("skipping test due to lack of feature support\n");
+ fflush(stdout);
+ return 0;
+ }
+
+ uffdio_register.range.start = (unsigned long)area_dst_alias;
+ uffdio_register.range.len = nr_pages * page_size;
+ uffdio_register.mode = UFFDIO_REGISTER_MODE_MINOR;
+ if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+ err("register failure");
+
+ expected_ioctls = uffd_test_ops->expected_ioctls;
+ expected_ioctls |= 1 << _UFFDIO_CONTINUE;
+ if ((uffdio_register.ioctls & expected_ioctls) != expected_ioctls)
+ err("unexpected missing ioctl(s)");
+
+ /*
+ * After registering with UFFD, populate the non-UFFD-registered side of
+ * the shared mapping. This should *not* trigger any UFFD minor faults.
+ */
+ for (p = 0; p < nr_pages; ++p) {
+ memset(area_dst + (p * page_size), p % ((uint8_t)-1),
+ page_size);
+ }
+
+ if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, &stats))
+ err("uffd_poll_thread create");
+
+ /*
+ * Read each of the pages back using the UFFD-registered mapping. We
+ * expect that the first time we touch a page, it will result in a minor
+ * fault. uffd_poll_thread will resolve the fault by bit-flipping the
+ * page's contents, and then issuing a CONTINUE ioctl.
+ */
+
+ if (posix_memalign(&expected_page, page_size, page_size))
+ err("out of memory");
+
+ for (p = 0; p < nr_pages; ++p) {
+ expected_byte = ~((uint8_t)(p % ((uint8_t)-1)));
+ memset(expected_page, expected_byte, page_size);
+ if (my_bcmp(expected_page, area_dst_alias + (p * page_size),
+ page_size))
+ err("unexpected page contents after minor fault");
+ }
+
+ if (write(pipefd[1], &c, sizeof(c)) != sizeof(c))
+ err("pipe write");
+ if (pthread_join(uffd_mon, NULL))
+ return 1;
+
+ uffd_stats_report(&stats, 1);
+
+ return stats.missing_faults != 0 || stats.minor_faults != nr_pages;
+}
+
static int userfaultfd_stress(void)
{
void *area;
char *tmp_area;
unsigned long nr;
struct uffdio_register uffdio_register;
- unsigned long cpu;
- int err;
struct uffd_stats uffd_stats[nr_cpus];
- uffd_test_ops->allocate_area((void **)&area_src);
- if (!area_src)
- return 1;
- uffd_test_ops->allocate_area((void **)&area_dst);
- if (!area_dst)
- return 1;
+ uffd_test_ctx_init(0);
- if (userfaultfd_open(0) < 0)
- return 1;
-
- count_verify = malloc(nr_pages * sizeof(unsigned long long));
- if (!count_verify) {
- perror("count_verify");
- return 1;
- }
-
- for (nr = 0; nr < nr_pages; nr++) {
- *area_mutex(area_src, nr) = (pthread_mutex_t)
- PTHREAD_MUTEX_INITIALIZER;
- count_verify[nr] = *area_count(area_src, nr) = 1;
- /*
- * In the transition between 255 to 256, powerpc will
- * read out of order in my_bcmp and see both bytes as
- * zero, so leave a placeholder below always non-zero
- * after the count, to avoid my_bcmp to trigger false
- * positives.
- */
- *(area_count(area_src, nr) + 1) = 1;
- }
-
- pipefd = malloc(sizeof(int) * nr_cpus * 2);
- if (!pipefd) {
- perror("pipefd");
- return 1;
- }
- for (cpu = 0; cpu < nr_cpus; cpu++) {
- if (pipe2(&pipefd[cpu*2], O_CLOEXEC | O_NONBLOCK)) {
- perror("pipe");
- return 1;
- }
- }
-
- if (posix_memalign(&area, page_size, page_size)) {
- fprintf(stderr, "out of memory\n");
- return 1;
- }
+ if (posix_memalign(&area, page_size, page_size))
+ err("out of memory");
zeropage = area;
bzero(zeropage, page_size);
@@ -1291,7 +1290,6 @@ static int userfaultfd_stress(void)
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 16*1024*1024);
- err = 0;
while (bounces--) {
unsigned long expected_ioctls;
@@ -1318,25 +1316,18 @@ static int userfaultfd_stress(void)
uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING;
if (test_uffdio_wp)
uffdio_register.mode |= UFFDIO_REGISTER_MODE_WP;
- if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
- fprintf(stderr, "register failure\n");
- return 1;
- }
+ if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+ err("register failure");
expected_ioctls = uffd_test_ops->expected_ioctls;
if ((uffdio_register.ioctls & expected_ioctls) !=
- expected_ioctls) {
- fprintf(stderr,
- "unexpected missing ioctl for anon memory\n");
- return 1;
- }
+ expected_ioctls)
+ err("unexpected missing ioctl for anon memory");
if (area_dst_alias) {
uffdio_register.range.start = (unsigned long)
area_dst_alias;
- if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) {
- fprintf(stderr, "register failure alias\n");
- return 1;
- }
+ if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register))
+ err("register failure alias");
}
/*
@@ -1363,8 +1354,7 @@ static int userfaultfd_stress(void)
* MADV_DONTNEED only after the UFFDIO_REGISTER, so it's
* required to MADV_DONTNEED here.
*/
- if (uffd_test_ops->release_pages(area_dst))
- return 1;
+ uffd_test_ops->release_pages(area_dst);
uffd_stats_reset(uffd_stats, nr_cpus);
@@ -1378,33 +1368,22 @@ static int userfaultfd_stress(void)
nr_pages * page_size, false);
/* unregister */
- if (ioctl(uffd, UFFDIO_UNREGISTER, &uffdio_register.range)) {
- fprintf(stderr, "unregister failure\n");
- return 1;
- }
+ if (ioctl(uffd, UFFDIO_UNREGISTER, &uffdio_register.range))
+ err("unregister failure");
if (area_dst_alias) {
uffdio_register.range.start = (unsigned long) area_dst;
if (ioctl(uffd, UFFDIO_UNREGISTER,
- &uffdio_register.range)) {
- fprintf(stderr, "unregister failure alias\n");
- return 1;
- }
+ &uffdio_register.range))
+ err("unregister failure alias");
}
/* verification */
- if (bounces & BOUNCE_VERIFY) {
- for (nr = 0; nr < nr_pages; nr++) {
- if (*area_count(area_dst, nr) != count_verify[nr]) {
- fprintf(stderr,
- "error area_count %Lu %Lu %lu\n",
- *area_count(area_src, nr),
- count_verify[nr],
- nr);
- err = 1;
- bounces = 0;
- }
- }
- }
+ if (bounces & BOUNCE_VERIFY)
+ for (nr = 0; nr < nr_pages; nr++)
+ if (*area_count(area_dst, nr) != count_verify[nr])
+ err("error area_count %llu %llu %lu\n",
+ *area_count(area_src, nr),
+ count_verify[nr], nr);
/* prepare next bounce */
tmp_area = area_src;
@@ -1418,12 +1397,8 @@ static int userfaultfd_stress(void)
uffd_stats_report(uffd_stats, nr_cpus);
}
- if (err)
- return err;
-
- close(uffd);
return userfaultfd_zeropage_test() || userfaultfd_sig_test()
- || userfaultfd_events_test();
+ || userfaultfd_events_test() || userfaultfd_minor_test();
}
/*
@@ -1464,12 +1439,15 @@ static void set_test_type(const char *type)
map_shared = true;
test_type = TEST_HUGETLB;
uffd_test_ops = &hugetlb_uffd_test_ops;
+ /* Minor faults require shared hugetlb; only enable here. */
+ test_uffdio_minor = true;
} else if (!strcmp(type, "shmem")) {
map_shared = true;
test_type = TEST_SHMEM;
uffd_test_ops = &shmem_uffd_test_ops;
+ test_uffdio_minor = true;
} else {
- fprintf(stderr, "Unknown test type: %s\n", type); exit(1);
+ err("Unknown test type: %s", type);
}
if (test_type == TEST_HUGETLB)
@@ -1477,15 +1455,11 @@ static void set_test_type(const char *type)
else
page_size = sysconf(_SC_PAGE_SIZE);
- if (!page_size) {
- fprintf(stderr, "Unable to determine page size\n");
- exit(2);
- }
+ if (!page_size)
+ err("Unable to determine page size");
if ((unsigned long) area_count(NULL, 0) + sizeof(unsigned long long) * 2
- > page_size) {
- fprintf(stderr, "Impossible to run this test\n");
- exit(2);
- }
+ > page_size)
+ err("Impossible to run this test");
}
static void sigalrm(int sig)
@@ -1502,10 +1476,8 @@ int main(int argc, char **argv)
if (argc < 4)
usage();
- if (signal(SIGALRM, sigalrm) == SIG_ERR) {
- fprintf(stderr, "failed to arm SIGALRM");
- exit(1);
- }
+ if (signal(SIGALRM, sigalrm) == SIG_ERR)
+ err("failed to arm SIGALRM");
alarm(ALARM_INTERVAL_SECS);
set_test_type(argv[1]);
@@ -1514,13 +1486,13 @@ int main(int argc, char **argv)
nr_pages_per_cpu = atol(argv[2]) * 1024*1024 / page_size /
nr_cpus;
if (!nr_pages_per_cpu) {
- fprintf(stderr, "invalid MiB\n");
+ _err("invalid MiB");
usage();
}
bounces = atoi(argv[3]);
if (bounces <= 0) {
- fprintf(stderr, "invalid bounces\n");
+ _err("invalid bounces");
usage();
}
nr_pages = nr_pages_per_cpu * nr_cpus;
@@ -1529,16 +1501,20 @@ int main(int argc, char **argv)
if (argc < 5)
usage();
huge_fd = open(argv[4], O_CREAT | O_RDWR, 0755);
- if (huge_fd < 0) {
- fprintf(stderr, "Open of %s failed", argv[3]);
- perror("open");
- exit(1);
- }
- if (ftruncate(huge_fd, 0)) {
- fprintf(stderr, "ftruncate %s to size 0 failed", argv[3]);
- perror("ftruncate");
- exit(1);
- }
+ if (huge_fd < 0)
+ err("Open of %s failed", argv[4]);
+ if (ftruncate(huge_fd, 0))
+ err("ftruncate %s to size 0 failed", argv[4]);
+ } else if (test_type == TEST_SHMEM) {
+ shm_fd = memfd_create(argv[0], 0);
+ if (shm_fd < 0)
+ err("memfd_create");
+ if (ftruncate(shm_fd, nr_pages * page_size * 2))
+ err("ftruncate");
+ if (fallocate(shm_fd,
+ FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0,
+ nr_pages * page_size * 2))
+ err("fallocate");
}
printf("nr_pages: %lu, nr_pages_per_cpu: %lu\n",
nr_pages, nr_pages_per_cpu);